[ 31.815041][ T273] ip (273) used greatest stack depth: 23200 bytes left [ 56.121004][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 56.121496][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 56.121496][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 56.121496][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 56.121496][ T72] fib6_nh_init+0xa22/0x1580 [ 56.121496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.121496][ T72] ip6_route_add+0x1c/0x140 [ 56.121496][ T72] inet6_rtm_newroute+0x104/0x110 [ 56.121496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.121496][ T72] netlink_rcv_skb+0x130/0x360 [ 56.121496][ T72] netlink_unicast+0x449/0x710 [ 56.121496][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.121496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.121496][ T72] ___sys_sendmsg+0xee/0x170 [ 56.121496][ T72] __sys_sendmsg+0xcd/0x170 [ 56.121496][ T72] do_syscall_64+0xc6/0x1e0 [ 56.121496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.121496][ T72] [ 56.123755][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 56.123755][ T72] dst_init+0x84/0x4a0 [ 56.123755][ T72] dst_alloc+0x97/0x150 [ 56.123755][ T72] ip6_dst_alloc+0x23/0x90 [ 56.123755][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 56.123755][ T72] ip6_pol_route+0x56f/0x840 [ 56.123755][ T72] fib6_rule_lookup+0x456/0x630 [ 56.123755][ T72] ip6_route_input+0x59c/0xa50 [ 56.123755][ T72] ipv6_rcv+0x397/0x810 [ 56.123755][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 56.123755][ T72] process_backlog+0x101/0x620 [ 56.123755][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 56.123755][ T72] net_rx_action+0x495/0xbe0 [ 56.123755][ T72] __do_softirq+0x1b5/0x7f6 [ 56.123755][ T72] [ 56.125414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 56.125414][ T72] netdev_get_by_index+0x5e/0x80 [ 56.125414][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.125414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.125414][ T72] ip6_route_add+0x1c/0x140 [ 56.125414][ T72] addrconf_prefix_route+0x2a6/0x430 [ 56.125414][ T72] inet6_addr_add+0x4f8/0xa40 [ 56.125414][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.125414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.125414][ T72] netlink_rcv_skb+0x130/0x360 [ 56.125414][ T72] netlink_unicast+0x449/0x710 [ 56.125414][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.125414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.125414][ T72] ___sys_sendmsg+0xee/0x170 [ 56.125414][ T72] __sys_sendmsg+0xcd/0x170 [ 56.125414][ T72] do_syscall_64+0xc6/0x1e0 [ 56.125414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.125414][ T72] [ 56.127443][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 56.127443][ T72] netdev_get_by_index+0x5e/0x80 [ 56.127443][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.127443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.127443][ T72] addrconf_f6i_alloc+0x315/0x560 [ 56.127443][ T72] ipv6_add_addr+0x411/0x2000 [ 56.127443][ T72] inet6_addr_add+0x30e/0xa40 [ 56.127443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.127443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.127443][ T72] netlink_rcv_skb+0x130/0x360 [ 56.127443][ T72] netlink_unicast+0x449/0x710 [ 56.127443][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.127443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.127443][ T72] ___sys_sendmsg+0xee/0x170 [ 56.127443][ T72] __sys_sendmsg+0xcd/0x170 [ 56.127443][ T72] do_syscall_64+0xc6/0x1e0 [ 56.127443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.127443][ T72] [ 56.129452][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 56.129452][ T72] netdev_get_by_index+0x5e/0x80 [ 56.129452][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.129452][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.129452][ T72] ip6_route_add+0x1c/0x140 [ 56.129452][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 56.129452][ T72] addrconf_add_dev+0xe2/0x170 [ 56.129452][ T72] inet6_addr_add+0x12f/0xa40 [ 56.129452][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.129452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.129452][ T72] netlink_rcv_skb+0x130/0x360 [ 56.129452][ T72] netlink_unicast+0x449/0x710 [ 56.129452][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.129452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.129452][ T72] ___sys_sendmsg+0xee/0x170 [ 56.129452][ T72] __sys_sendmsg+0xcd/0x170 [ 56.129452][ T72] do_syscall_64+0xc6/0x1e0 [ 56.129452][ T72] [ 56.131761][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 56.131761][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 56.131761][ T72] ipv6_find_idev+0x102/0x170 [ 56.131761][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 56.131761][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.131761][ T72] netlink_rcv_skb+0x130/0x360 [ 56.131761][ T72] netlink_unicast+0x449/0x710 [ 56.131761][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.131761][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.131761][ T72] ___sys_sendmsg+0xee/0x170 [ 56.131761][ T72] __sys_sendmsg+0xcd/0x170 [ 56.131761][ T72] do_syscall_64+0xc6/0x1e0 [ 56.131761][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.131761][ T72] [ 56.133467][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 56.133467][ T72] neigh_parms_alloc+0x1e5/0x510 [ 56.133467][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 56.133467][ T72] ipv6_find_idev+0x102/0x170 [ 56.133467][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 56.133467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.133467][ T72] netlink_rcv_skb+0x130/0x360 [ 56.133467][ T72] netlink_unicast+0x449/0x710 [ 56.133467][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.133467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.133467][ T72] ___sys_sendmsg+0xee/0x170 [ 56.133467][ T72] __sys_sendmsg+0xcd/0x170 [ 56.133467][ T72] do_syscall_64+0xc6/0x1e0 [ 56.133467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.133467][ T72] [ 56.135432][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 56.135711][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 56.135711][ T72] dst_init+0x84/0x4a0 [ 56.135711][ T72] dst_alloc+0x97/0x150 [ 56.135711][ T72] ip6_dst_alloc+0x23/0x90 [ 56.135711][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 56.135711][ T72] ip6_pol_route+0x56f/0x840 [ 56.135711][ T72] fib6_rule_lookup+0x456/0x630 [ 56.135711][ T72] ip6_route_input+0x59c/0xa50 [ 56.135711][ T72] ipv6_rcv+0x397/0x810 [ 56.135711][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 56.135711][ T72] process_backlog+0x101/0x620 [ 56.135711][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 56.135711][ T72] net_rx_action+0x495/0xbe0 [ 56.135711][ T72] __do_softirq+0x1b5/0x7f6 [ 56.135711][ T72] [ 56.137529][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 56.137529][ T72] netdev_get_by_index+0x5e/0x80 [ 56.137529][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.137529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.137529][ T72] addrconf_f6i_alloc+0x265/0x560 [ 56.137529][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 56.137529][ T72] addrconf_join_anycast+0x1c0/0x220 [ 56.137529][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 56.137529][ T72] addrconf_dad_completed+0x12b/0xe20 [ 56.137529][ T72] addrconf_dad_begin+0x310/0x670 [ 56.137529][ T72] addrconf_dad_work+0x10b/0xab0 [ 56.137529][ T72] process_one_work+0x84d/0x18a0 [ 56.137529][ T72] worker_thread+0x587/0xd30 [ 56.137529][ T72] kthread+0x28a/0x350 [ 56.137529][ T72] ret_from_fork+0x31/0x70 [ 56.137529][ T72] ret_from_fork_asm+0x1a/0x30 [ 56.137529][ T72] [ 56.139673][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 56.139673][ T72] netdev_get_by_index+0x5e/0x80 [ 56.139673][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.139673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.139673][ T72] ip6_route_add+0x1c/0x140 [ 56.139673][ T72] addrconf_prefix_route+0x2a6/0x430 [ 56.139673][ T72] inet6_addr_add+0x4f8/0xa40 [ 56.139673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.139673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.139673][ T72] netlink_rcv_skb+0x130/0x360 [ 56.139673][ T72] netlink_unicast+0x449/0x710 [ 56.139673][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.139673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.139673][ T72] ___sys_sendmsg+0xee/0x170 [ 56.139673][ T72] __sys_sendmsg+0xcd/0x170 [ 56.139673][ T72] do_syscall_64+0xc6/0x1e0 [ 56.139673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.139673][ T72] [ 56.141846][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 56.141846][ T72] netdev_get_by_index+0x5e/0x80 [ 56.141846][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.141846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.141846][ T72] addrconf_f6i_alloc+0x315/0x560 [ 56.141846][ T72] ipv6_add_addr+0x411/0x2000 [ 56.141846][ T72] inet6_addr_add+0x30e/0xa40 [ 56.141846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.141846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.141846][ T72] netlink_rcv_skb+0x130/0x360 [ 56.141846][ T72] netlink_unicast+0x449/0x710 [ 56.141846][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.141846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.141846][ T72] ___sys_sendmsg+0xee/0x170 [ 56.141846][ T72] __sys_sendmsg+0xcd/0x170 [ 56.141846][ T72] do_syscall_64+0xc6/0x1e0 [ 56.141846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.141846][ T72] [ 56.144090][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 56.144090][ T72] netdev_get_by_index+0x5e/0x80 [ 56.144090][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.144090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.144090][ T72] ip6_route_add+0x1c/0x140 [ 56.144090][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 56.144090][ T72] addrconf_add_dev+0xe2/0x170 [ 56.144090][ T72] inet6_addr_add+0x12f/0xa40 [ 56.144090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.144090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.144090][ T72] netlink_rcv_skb+0x130/0x360 [ 56.144090][ T72] netlink_unicast+0x449/0x710 [ 56.144090][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.144090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.144090][ T72] ___sys_sendmsg+0xee/0x170 [ 56.144090][ T72] __sys_sendmsg+0xcd/0x170 [ 56.144090][ T72] do_syscall_64+0xc6/0x1e0 [ 56.144090][ T72] [ 56.146315][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 56.146315][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 56.146315][ T72] ipv6_find_idev+0x102/0x170 [ 56.146315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 56.146315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.146315][ T72] netlink_rcv_skb+0x130/0x360 [ 56.146315][ T72] netlink_unicast+0x449/0x710 [ 56.146315][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.146315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.146315][ T72] ___sys_sendmsg+0xee/0x170 [ 56.146315][ T72] __sys_sendmsg+0xcd/0x170 [ 56.146315][ T72] do_syscall_64+0xc6/0x1e0 [ 56.146315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.146315][ T72] [ 56.148062][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 56.148062][ T72] neigh_parms_alloc+0x1e5/0x510 [ 56.148062][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 56.148062][ T72] ipv6_find_idev+0x102/0x170 [ 56.148062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 56.148062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.148062][ T72] netlink_rcv_skb+0x130/0x360 [ 56.148062][ T72] netlink_unicast+0x449/0x710 [ 56.148062][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.148062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.148062][ T72] ___sys_sendmsg+0xee/0x170 [ 56.148062][ T72] __sys_sendmsg+0xcd/0x170 [ 56.148062][ T72] do_syscall_64+0xc6/0x1e0 [ 56.148062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.148062][ T72] [ 56.149959][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 56.150230][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 56.150230][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 56.150230][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 56.150230][ T72] fib6_nh_init+0xa22/0x1580 [ 56.150230][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.150230][ T72] ip6_route_add+0x1c/0x140 [ 56.150230][ T72] inet6_rtm_newroute+0x104/0x110 [ 56.150230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.150230][ T72] netlink_rcv_skb+0x130/0x360 [ 56.150230][ T72] netlink_unicast+0x449/0x710 [ 56.150230][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.150230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.150230][ T72] ___sys_sendmsg+0xee/0x170 [ 56.150230][ T72] __sys_sendmsg+0xcd/0x170 [ 56.150230][ T72] do_syscall_64+0xc6/0x1e0 [ 56.150230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.150230][ T72] [ 56.152313][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 56.152313][ T72] dst_init+0x84/0x4a0 [ 56.152313][ T72] dst_alloc+0x97/0x150 [ 56.152313][ T72] ip6_dst_alloc+0x23/0x90 [ 56.152313][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 56.152313][ T72] ip6_pol_route+0x56f/0x840 [ 56.152313][ T72] fib6_rule_lookup+0x456/0x630 [ 56.152313][ T72] ip6_route_input+0x59c/0xa50 [ 56.152313][ T72] ipv6_rcv+0x397/0x810 [ 56.152313][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 56.152313][ T72] process_backlog+0x101/0x620 [ 56.152313][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 56.152313][ T72] net_rx_action+0x495/0xbe0 [ 56.152313][ T72] __do_softirq+0x1b5/0x7f6 [ 56.152313][ T72] [ 56.154349][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 56.154349][ T72] netdev_get_by_index+0x5e/0x80 [ 56.154349][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.154349][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.154349][ T72] ip6_route_add+0x1c/0x140 [ 56.154349][ T72] addrconf_prefix_route+0x2a6/0x430 [ 56.154349][ T72] inet6_addr_add+0x4f8/0xa40 [ 56.154349][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.154349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.154349][ T72] netlink_rcv_skb+0x130/0x360 [ 56.154349][ T72] netlink_unicast+0x449/0x710 [ 56.154349][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.154349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.154349][ T72] ___sys_sendmsg+0xee/0x170 [ 56.154349][ T72] __sys_sendmsg+0xcd/0x170 [ 56.154349][ T72] do_syscall_64+0xc6/0x1e0 [ 56.154349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.154349][ T72] [ 56.156583][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 56.156583][ T72] netdev_get_by_index+0x5e/0x80 [ 56.156583][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.156583][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.156583][ T72] addrconf_f6i_alloc+0x315/0x560 [ 56.156583][ T72] ipv6_add_addr+0x411/0x2000 [ 56.156583][ T72] inet6_addr_add+0x30e/0xa40 [ 56.156583][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.156583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.156583][ T72] netlink_rcv_skb+0x130/0x360 [ 56.156583][ T72] netlink_unicast+0x449/0x710 [ 56.156583][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.156583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.156583][ T72] ___sys_sendmsg+0xee/0x170 [ 56.156583][ T72] __sys_sendmsg+0xcd/0x170 [ 56.156583][ T72] do_syscall_64+0xc6/0x1e0 [ 56.156583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.156583][ T72] [ 56.158751][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 56.158751][ T72] netdev_get_by_index+0x5e/0x80 [ 56.158751][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.158751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.158751][ T72] ip6_route_add+0x1c/0x140 [ 56.158751][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 56.158751][ T72] addrconf_add_dev+0xe2/0x170 [ 56.158751][ T72] inet6_addr_add+0x12f/0xa40 [ 56.158751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.158751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.158751][ T72] netlink_rcv_skb+0x130/0x360 [ 56.158751][ T72] netlink_unicast+0x449/0x710 [ 56.158751][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.158751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.158751][ T72] ___sys_sendmsg+0xee/0x170 [ 56.158751][ T72] __sys_sendmsg+0xcd/0x170 [ 56.158751][ T72] do_syscall_64+0xc6/0x1e0 [ 56.158751][ T72] [ 56.160896][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 56.160896][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 56.160896][ T72] ipv6_find_idev+0x102/0x170 [ 56.160896][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 56.160896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.160896][ T72] netlink_rcv_skb+0x130/0x360 [ 56.160896][ T72] netlink_unicast+0x449/0x710 [ 56.160896][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.160896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.160896][ T72] ___sys_sendmsg+0xee/0x170 [ 56.160896][ T72] __sys_sendmsg+0xcd/0x170 [ 56.160896][ T72] do_syscall_64+0xc6/0x1e0 [ 56.160896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.160896][ T72] [ 56.162600][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 56.162600][ T72] neigh_parms_alloc+0x1e5/0x510 [ 56.162600][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 56.162600][ T72] ipv6_find_idev+0x102/0x170 [ 56.162600][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 56.162600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.162600][ T72] netlink_rcv_skb+0x130/0x360 [ 56.162600][ T72] netlink_unicast+0x449/0x710 [ 56.162600][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.162600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.162600][ T72] ___sys_sendmsg+0xee/0x170 [ 56.162600][ T72] __sys_sendmsg+0xcd/0x170 [ 56.162600][ T72] do_syscall_64+0xc6/0x1e0 [ 56.162600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.162600][ T72] [ 56.164586][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 56.164931][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 56.164931][ T72] netdev_get_by_index+0x5e/0x80 [ 56.164931][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.164931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.164931][ T72] addrconf_f6i_alloc+0x265/0x560 [ 56.164931][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 56.164931][ T72] addrconf_join_anycast+0x1c0/0x220 [ 56.164931][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 56.164931][ T72] addrconf_dad_completed+0x12b/0xe20 [ 56.164931][ T72] addrconf_dad_begin+0x310/0x670 [ 56.164931][ T72] addrconf_dad_work+0x10b/0xab0 [ 56.164931][ T72] process_one_work+0x84d/0x18a0 [ 56.164931][ T72] worker_thread+0x587/0xd30 [ 56.164931][ T72] kthread+0x28a/0x350 [ 56.164931][ T72] ret_from_fork+0x31/0x70 [ 56.164931][ T72] ret_from_fork_asm+0x1a/0x30 [ 56.164931][ T72] [ 56.167006][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 56.167006][ T72] netdev_get_by_index+0x5e/0x80 [ 56.167006][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.167006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.167006][ T72] ip6_route_add+0x1c/0x140 [ 56.167006][ T72] addrconf_prefix_route+0x2a6/0x430 [ 56.167006][ T72] inet6_addr_add+0x4f8/0xa40 [ 56.167006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.167006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.167006][ T72] netlink_rcv_skb+0x130/0x360 [ 56.167006][ T72] netlink_unicast+0x449/0x710 [ 56.167006][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.167006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.167006][ T72] ___sys_sendmsg+0xee/0x170 [ 56.167006][ T72] __sys_sendmsg+0xcd/0x170 [ 56.167006][ T72] do_syscall_64+0xc6/0x1e0 [ 56.167006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.167006][ T72] [ 56.169177][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 56.169177][ T72] netdev_get_by_index+0x5e/0x80 [ 56.169177][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.169177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.169177][ T72] addrconf_f6i_alloc+0x315/0x560 [ 56.169177][ T72] ipv6_add_addr+0x411/0x2000 [ 56.169177][ T72] inet6_addr_add+0x30e/0xa40 [ 56.169177][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.169177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.169177][ T72] netlink_rcv_skb+0x130/0x360 [ 56.169177][ T72] netlink_unicast+0x449/0x710 [ 56.169177][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.169177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.169177][ T72] ___sys_sendmsg+0xee/0x170 [ 56.169177][ T72] __sys_sendmsg+0xcd/0x170 [ 56.169177][ T72] do_syscall_64+0xc6/0x1e0 [ 56.169177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.169177][ T72] [ 56.171401][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 56.171401][ T72] netdev_get_by_index+0x5e/0x80 [ 56.171401][ T72] fib6_nh_init+0x3d8/0x1580 [ 56.171401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 56.171401][ T72] ip6_route_add+0x1c/0x140 [ 56.171401][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 56.171401][ T72] addrconf_add_dev+0xe2/0x170 [ 56.171401][ T72] inet6_addr_add+0x12f/0xa40 [ 56.171401][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 56.171401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.171401][ T72] netlink_rcv_skb+0x130/0x360 [ 56.171401][ T72] netlink_unicast+0x449/0x710 [ 56.171401][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.171401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.171401][ T72] ___sys_sendmsg+0xee/0x170 [ 56.171401][ T72] __sys_sendmsg+0xcd/0x170 [ 56.171401][ T72] do_syscall_64+0xc6/0x1e0 [ 56.171401][ T72] [ 56.173592][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 56.173592][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 56.173592][ T72] ipv6_find_idev+0x102/0x170 [ 56.173592][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 56.173592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.173592][ T72] netlink_rcv_skb+0x130/0x360 [ 56.173592][ T72] netlink_unicast+0x449/0x710 [ 56.173592][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.173592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.173592][ T72] ___sys_sendmsg+0xee/0x170 [ 56.173592][ T72] __sys_sendmsg+0xcd/0x170 [ 56.173592][ T72] do_syscall_64+0xc6/0x1e0 [ 56.173592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.173592][ T72] [ 56.175243][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 56.175243][ T72] neigh_parms_alloc+0x1e5/0x510 [ 56.175243][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 56.175243][ T72] ipv6_find_idev+0x102/0x170 [ 56.175243][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 56.175243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 56.175243][ T72] netlink_rcv_skb+0x130/0x360 [ 56.175243][ T72] netlink_unicast+0x449/0x710 [ 56.175243][ T72] netlink_sendmsg+0x723/0xbe0 [ 56.175243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 56.175243][ T72] ___sys_sendmsg+0xee/0x170 [ 56.175243][ T72] __sys_sendmsg+0xcd/0x170 [ 56.175243][ T72] do_syscall_64+0xc6/0x1e0 [ 56.175243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 56.175243][ T72] [ 66.336816][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 66.337184][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 66.337184][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 66.337184][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 66.337184][ T72] fib6_nh_init+0xa22/0x1580 [ 66.337184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.337184][ T72] ip6_route_add+0x1c/0x140 [ 66.337184][ T72] inet6_rtm_newroute+0x104/0x110 [ 66.337184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.337184][ T72] netlink_rcv_skb+0x130/0x360 [ 66.337184][ T72] netlink_unicast+0x449/0x710 [ 66.337184][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.337184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.337184][ T72] ___sys_sendmsg+0xee/0x170 [ 66.337184][ T72] __sys_sendmsg+0xcd/0x170 [ 66.337184][ T72] do_syscall_64+0xc6/0x1e0 [ 66.337184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.337184][ T72] [ 66.339116][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 66.339116][ T72] dst_init+0x84/0x4a0 [ 66.339116][ T72] dst_alloc+0x97/0x150 [ 66.339116][ T72] ip6_dst_alloc+0x23/0x90 [ 66.339116][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 66.339116][ T72] ip6_pol_route+0x56f/0x840 [ 66.339116][ T72] fib6_rule_lookup+0x456/0x630 [ 66.339116][ T72] ip6_route_input+0x59c/0xa50 [ 66.339116][ T72] ipv6_rcv+0x397/0x810 [ 66.339116][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 66.339116][ T72] process_backlog+0x101/0x620 [ 66.339116][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 66.339116][ T72] net_rx_action+0x495/0xbe0 [ 66.339116][ T72] __do_softirq+0x1b5/0x7f6 [ 66.339116][ T72] [ 66.340771][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 66.340771][ T72] netdev_get_by_index+0x5e/0x80 [ 66.340771][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.340771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.340771][ T72] ip6_route_add+0x1c/0x140 [ 66.340771][ T72] addrconf_prefix_route+0x2a6/0x430 [ 66.340771][ T72] inet6_addr_add+0x4f8/0xa40 [ 66.340771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.340771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.340771][ T72] netlink_rcv_skb+0x130/0x360 [ 66.340771][ T72] netlink_unicast+0x449/0x710 [ 66.340771][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.340771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.340771][ T72] ___sys_sendmsg+0xee/0x170 [ 66.340771][ T72] __sys_sendmsg+0xcd/0x170 [ 66.340771][ T72] do_syscall_64+0xc6/0x1e0 [ 66.340771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.340771][ T72] [ 66.342786][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 66.342786][ T72] netdev_get_by_index+0x5e/0x80 [ 66.342786][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.342786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.342786][ T72] addrconf_f6i_alloc+0x315/0x560 [ 66.342786][ T72] ipv6_add_addr+0x411/0x2000 [ 66.342786][ T72] inet6_addr_add+0x30e/0xa40 [ 66.342786][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.342786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.342786][ T72] netlink_rcv_skb+0x130/0x360 [ 66.342786][ T72] netlink_unicast+0x449/0x710 [ 66.342786][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.342786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.342786][ T72] ___sys_sendmsg+0xee/0x170 [ 66.342786][ T72] __sys_sendmsg+0xcd/0x170 [ 66.342786][ T72] do_syscall_64+0xc6/0x1e0 [ 66.342786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.342786][ T72] [ 66.344774][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 66.344774][ T72] netdev_get_by_index+0x5e/0x80 [ 66.344774][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.344774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.344774][ T72] ip6_route_add+0x1c/0x140 [ 66.344774][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 66.344774][ T72] addrconf_add_dev+0xe2/0x170 [ 66.344774][ T72] inet6_addr_add+0x12f/0xa40 [ 66.344774][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.344774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.344774][ T72] netlink_rcv_skb+0x130/0x360 [ 66.344774][ T72] netlink_unicast+0x449/0x710 [ 66.344774][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.344774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.344774][ T72] ___sys_sendmsg+0xee/0x170 [ 66.344774][ T72] __sys_sendmsg+0xcd/0x170 [ 66.344774][ T72] do_syscall_64+0xc6/0x1e0 [ 66.344774][ T72] [ 66.346741][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 66.346741][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 66.346741][ T72] ipv6_find_idev+0x102/0x170 [ 66.346741][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 66.346741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.346741][ T72] netlink_rcv_skb+0x130/0x360 [ 66.346741][ T72] netlink_unicast+0x449/0x710 [ 66.346741][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.346741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.346741][ T72] ___sys_sendmsg+0xee/0x170 [ 66.346741][ T72] __sys_sendmsg+0xcd/0x170 [ 66.346741][ T72] do_syscall_64+0xc6/0x1e0 [ 66.346741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.346741][ T72] [ 66.348289][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 66.348289][ T72] neigh_parms_alloc+0x1e5/0x510 [ 66.348289][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 66.348289][ T72] ipv6_find_idev+0x102/0x170 [ 66.348289][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 66.348289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.348289][ T72] netlink_rcv_skb+0x130/0x360 [ 66.348289][ T72] netlink_unicast+0x449/0x710 [ 66.348289][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.348289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.348289][ T72] ___sys_sendmsg+0xee/0x170 [ 66.348289][ T72] __sys_sendmsg+0xcd/0x170 [ 66.348289][ T72] do_syscall_64+0xc6/0x1e0 [ 66.348289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.348289][ T72] [ 66.350044][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 66.350337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 66.350337][ T72] dst_init+0x84/0x4a0 [ 66.350337][ T72] dst_alloc+0x97/0x150 [ 66.350337][ T72] ip6_dst_alloc+0x23/0x90 [ 66.350337][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 66.350337][ T72] ip6_pol_route+0x56f/0x840 [ 66.350337][ T72] fib6_rule_lookup+0x456/0x630 [ 66.350337][ T72] ip6_route_input+0x59c/0xa50 [ 66.350337][ T72] ipv6_rcv+0x397/0x810 [ 66.350337][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 66.350337][ T72] process_backlog+0x101/0x620 [ 66.350337][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 66.350337][ T72] net_rx_action+0x495/0xbe0 [ 66.350337][ T72] __do_softirq+0x1b5/0x7f6 [ 66.350337][ T72] [ 66.351986][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 66.351986][ T72] netdev_get_by_index+0x5e/0x80 [ 66.351986][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.351986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.351986][ T72] addrconf_f6i_alloc+0x265/0x560 [ 66.351986][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 66.351986][ T72] addrconf_join_anycast+0x1c0/0x220 [ 66.351986][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 66.351986][ T72] addrconf_dad_completed+0x12b/0xe20 [ 66.351986][ T72] addrconf_dad_begin+0x310/0x670 [ 66.351986][ T72] addrconf_dad_work+0x10b/0xab0 [ 66.351986][ T72] process_one_work+0x84d/0x18a0 [ 66.351986][ T72] worker_thread+0x587/0xd30 [ 66.351986][ T72] kthread+0x28a/0x350 [ 66.351986][ T72] ret_from_fork+0x31/0x70 [ 66.351986][ T72] ret_from_fork_asm+0x1a/0x30 [ 66.351986][ T72] [ 66.353895][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 66.353895][ T72] netdev_get_by_index+0x5e/0x80 [ 66.353895][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.353895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.353895][ T72] ip6_route_add+0x1c/0x140 [ 66.353895][ T72] addrconf_prefix_route+0x2a6/0x430 [ 66.353895][ T72] inet6_addr_add+0x4f8/0xa40 [ 66.353895][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.353895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.353895][ T72] netlink_rcv_skb+0x130/0x360 [ 66.353895][ T72] netlink_unicast+0x449/0x710 [ 66.353895][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.353895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.353895][ T72] ___sys_sendmsg+0xee/0x170 [ 66.353895][ T72] __sys_sendmsg+0xcd/0x170 [ 66.353895][ T72] do_syscall_64+0xc6/0x1e0 [ 66.353895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.353895][ T72] [ 66.355952][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 66.355952][ T72] netdev_get_by_index+0x5e/0x80 [ 66.355952][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.355952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.355952][ T72] addrconf_f6i_alloc+0x315/0x560 [ 66.355952][ T72] ipv6_add_addr+0x411/0x2000 [ 66.355952][ T72] inet6_addr_add+0x30e/0xa40 [ 66.355952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.355952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.355952][ T72] netlink_rcv_skb+0x130/0x360 [ 66.355952][ T72] netlink_unicast+0x449/0x710 [ 66.355952][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.355952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.355952][ T72] ___sys_sendmsg+0xee/0x170 [ 66.355952][ T72] __sys_sendmsg+0xcd/0x170 [ 66.355952][ T72] do_syscall_64+0xc6/0x1e0 [ 66.355952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.355952][ T72] [ 66.358076][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 66.358076][ T72] netdev_get_by_index+0x5e/0x80 [ 66.358076][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.358076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.358076][ T72] ip6_route_add+0x1c/0x140 [ 66.358076][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 66.358076][ T72] addrconf_add_dev+0xe2/0x170 [ 66.358076][ T72] inet6_addr_add+0x12f/0xa40 [ 66.358076][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.358076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.358076][ T72] netlink_rcv_skb+0x130/0x360 [ 66.358076][ T72] netlink_unicast+0x449/0x710 [ 66.358076][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.358076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.358076][ T72] ___sys_sendmsg+0xee/0x170 [ 66.358076][ T72] __sys_sendmsg+0xcd/0x170 [ 66.358076][ T72] do_syscall_64+0xc6/0x1e0 [ 66.358076][ T72] [ 66.360344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 66.360344][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 66.360344][ T72] ipv6_find_idev+0x102/0x170 [ 66.360344][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 66.360344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.360344][ T72] netlink_rcv_skb+0x130/0x360 [ 66.360344][ T72] netlink_unicast+0x449/0x710 [ 66.360344][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.360344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.360344][ T72] ___sys_sendmsg+0xee/0x170 [ 66.360344][ T72] __sys_sendmsg+0xcd/0x170 [ 66.360344][ T72] do_syscall_64+0xc6/0x1e0 [ 66.360344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.360344][ T72] [ 66.362012][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 66.362012][ T72] neigh_parms_alloc+0x1e5/0x510 [ 66.362012][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 66.362012][ T72] ipv6_find_idev+0x102/0x170 [ 66.362012][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 66.362012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.362012][ T72] netlink_rcv_skb+0x130/0x360 [ 66.362012][ T72] netlink_unicast+0x449/0x710 [ 66.362012][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.362012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.362012][ T72] ___sys_sendmsg+0xee/0x170 [ 66.362012][ T72] __sys_sendmsg+0xcd/0x170 [ 66.362012][ T72] do_syscall_64+0xc6/0x1e0 [ 66.362012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.362012][ T72] [ 66.363899][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 66.364234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 66.364234][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 66.364234][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 66.364234][ T72] fib6_nh_init+0xa22/0x1580 [ 66.364234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.364234][ T72] ip6_route_add+0x1c/0x140 [ 66.364234][ T72] inet6_rtm_newroute+0x104/0x110 [ 66.364234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.364234][ T72] netlink_rcv_skb+0x130/0x360 [ 66.364234][ T72] netlink_unicast+0x449/0x710 [ 66.364234][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.364234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.364234][ T72] ___sys_sendmsg+0xee/0x170 [ 66.364234][ T72] __sys_sendmsg+0xcd/0x170 [ 66.364234][ T72] do_syscall_64+0xc6/0x1e0 [ 66.364234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.364234][ T72] [ 66.366223][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 66.366223][ T72] dst_init+0x84/0x4a0 [ 66.366223][ T72] dst_alloc+0x97/0x150 [ 66.366223][ T72] ip6_dst_alloc+0x23/0x90 [ 66.366223][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 66.366223][ T72] ip6_pol_route+0x56f/0x840 [ 66.366223][ T72] fib6_rule_lookup+0x456/0x630 [ 66.366223][ T72] ip6_route_input+0x59c/0xa50 [ 66.366223][ T72] ipv6_rcv+0x397/0x810 [ 66.366223][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 66.366223][ T72] process_backlog+0x101/0x620 [ 66.366223][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 66.366223][ T72] net_rx_action+0x495/0xbe0 [ 66.366223][ T72] __do_softirq+0x1b5/0x7f6 [ 66.366223][ T72] [ 66.368029][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 66.368029][ T72] netdev_get_by_index+0x5e/0x80 [ 66.368029][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.368029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.368029][ T72] ip6_route_add+0x1c/0x140 [ 66.368029][ T72] addrconf_prefix_route+0x2a6/0x430 [ 66.368029][ T72] inet6_addr_add+0x4f8/0xa40 [ 66.368029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.368029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.368029][ T72] netlink_rcv_skb+0x130/0x360 [ 66.368029][ T72] netlink_unicast+0x449/0x710 [ 66.368029][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.368029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.368029][ T72] ___sys_sendmsg+0xee/0x170 [ 66.368029][ T72] __sys_sendmsg+0xcd/0x170 [ 66.368029][ T72] do_syscall_64+0xc6/0x1e0 [ 66.368029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.368029][ T72] [ 66.370315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 66.370315][ T72] netdev_get_by_index+0x5e/0x80 [ 66.370315][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.370315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.370315][ T72] addrconf_f6i_alloc+0x315/0x560 [ 66.370315][ T72] ipv6_add_addr+0x411/0x2000 [ 66.370315][ T72] inet6_addr_add+0x30e/0xa40 [ 66.370315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.370315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.370315][ T72] netlink_rcv_skb+0x130/0x360 [ 66.370315][ T72] netlink_unicast+0x449/0x710 [ 66.370315][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.370315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.370315][ T72] ___sys_sendmsg+0xee/0x170 [ 66.370315][ T72] __sys_sendmsg+0xcd/0x170 [ 66.370315][ T72] do_syscall_64+0xc6/0x1e0 [ 66.370315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.370315][ T72] [ 66.372498][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 66.372498][ T72] netdev_get_by_index+0x5e/0x80 [ 66.372498][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.372498][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.372498][ T72] ip6_route_add+0x1c/0x140 [ 66.372498][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 66.372498][ T72] addrconf_add_dev+0xe2/0x170 [ 66.372498][ T72] inet6_addr_add+0x12f/0xa40 [ 66.372498][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.372498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.372498][ T72] netlink_rcv_skb+0x130/0x360 [ 66.372498][ T72] netlink_unicast+0x449/0x710 [ 66.372498][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.372498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.372498][ T72] ___sys_sendmsg+0xee/0x170 [ 66.372498][ T72] __sys_sendmsg+0xcd/0x170 [ 66.372498][ T72] do_syscall_64+0xc6/0x1e0 [ 66.372498][ T72] [ 66.374563][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 66.374563][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 66.374563][ T72] ipv6_find_idev+0x102/0x170 [ 66.374563][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 66.374563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.374563][ T72] netlink_rcv_skb+0x130/0x360 [ 66.374563][ T72] netlink_unicast+0x449/0x710 [ 66.374563][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.374563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.374563][ T72] ___sys_sendmsg+0xee/0x170 [ 66.374563][ T72] __sys_sendmsg+0xcd/0x170 [ 66.374563][ T72] do_syscall_64+0xc6/0x1e0 [ 66.374563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.374563][ T72] [ 66.376274][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 66.376274][ T72] neigh_parms_alloc+0x1e5/0x510 [ 66.376274][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 66.376274][ T72] ipv6_find_idev+0x102/0x170 [ 66.376274][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 66.376274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.376274][ T72] netlink_rcv_skb+0x130/0x360 [ 66.376274][ T72] netlink_unicast+0x449/0x710 [ 66.376274][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.376274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.376274][ T72] ___sys_sendmsg+0xee/0x170 [ 66.376274][ T72] __sys_sendmsg+0xcd/0x170 [ 66.376274][ T72] do_syscall_64+0xc6/0x1e0 [ 66.376274][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.376274][ T72] [ 66.378185][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 66.378468][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 66.378468][ T72] netdev_get_by_index+0x5e/0x80 [ 66.378468][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.378468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.378468][ T72] addrconf_f6i_alloc+0x265/0x560 [ 66.378468][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 66.378468][ T72] addrconf_join_anycast+0x1c0/0x220 [ 66.378468][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 66.378468][ T72] addrconf_dad_completed+0x12b/0xe20 [ 66.378468][ T72] addrconf_dad_begin+0x310/0x670 [ 66.378468][ T72] addrconf_dad_work+0x10b/0xab0 [ 66.378468][ T72] process_one_work+0x84d/0x18a0 [ 66.378468][ T72] worker_thread+0x587/0xd30 [ 66.378468][ T72] kthread+0x28a/0x350 [ 66.378468][ T72] ret_from_fork+0x31/0x70 [ 66.378468][ T72] ret_from_fork_asm+0x1a/0x30 [ 66.378468][ T72] [ 66.380565][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 66.380565][ T72] netdev_get_by_index+0x5e/0x80 [ 66.380565][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.380565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.380565][ T72] ip6_route_add+0x1c/0x140 [ 66.380565][ T72] addrconf_prefix_route+0x2a6/0x430 [ 66.380565][ T72] inet6_addr_add+0x4f8/0xa40 [ 66.380565][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.380565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.380565][ T72] netlink_rcv_skb+0x130/0x360 [ 66.380565][ T72] netlink_unicast+0x449/0x710 [ 66.380565][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.380565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.380565][ T72] ___sys_sendmsg+0xee/0x170 [ 66.380565][ T72] __sys_sendmsg+0xcd/0x170 [ 66.380565][ T72] do_syscall_64+0xc6/0x1e0 [ 66.380565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.380565][ T72] [ 66.382778][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 66.382778][ T72] netdev_get_by_index+0x5e/0x80 [ 66.382778][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.382778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.382778][ T72] addrconf_f6i_alloc+0x315/0x560 [ 66.382778][ T72] ipv6_add_addr+0x411/0x2000 [ 66.382778][ T72] inet6_addr_add+0x30e/0xa40 [ 66.382778][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.382778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.382778][ T72] netlink_rcv_skb+0x130/0x360 [ 66.382778][ T72] netlink_unicast+0x449/0x710 [ 66.382778][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.382778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.382778][ T72] ___sys_sendmsg+0xee/0x170 [ 66.382778][ T72] __sys_sendmsg+0xcd/0x170 [ 66.382778][ T72] do_syscall_64+0xc6/0x1e0 [ 66.382778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.382778][ T72] [ 66.385034][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 66.385034][ T72] netdev_get_by_index+0x5e/0x80 [ 66.385034][ T72] fib6_nh_init+0x3d8/0x1580 [ 66.385034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 66.385034][ T72] ip6_route_add+0x1c/0x140 [ 66.385034][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 66.385034][ T72] addrconf_add_dev+0xe2/0x170 [ 66.385034][ T72] inet6_addr_add+0x12f/0xa40 [ 66.385034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 66.385034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.385034][ T72] netlink_rcv_skb+0x130/0x360 [ 66.385034][ T72] netlink_unicast+0x449/0x710 [ 66.385034][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.385034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.385034][ T72] ___sys_sendmsg+0xee/0x170 [ 66.385034][ T72] __sys_sendmsg+0xcd/0x170 [ 66.385034][ T72] do_syscall_64+0xc6/0x1e0 [ 66.385034][ T72] [ 66.387179][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 66.387179][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 66.387179][ T72] ipv6_find_idev+0x102/0x170 [ 66.387179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 66.387179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.387179][ T72] netlink_rcv_skb+0x130/0x360 [ 66.387179][ T72] netlink_unicast+0x449/0x710 [ 66.387179][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.387179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.387179][ T72] ___sys_sendmsg+0xee/0x170 [ 66.387179][ T72] __sys_sendmsg+0xcd/0x170 [ 66.387179][ T72] do_syscall_64+0xc6/0x1e0 [ 66.387179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.387179][ T72] [ 66.388960][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 66.388960][ T72] neigh_parms_alloc+0x1e5/0x510 [ 66.388960][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 66.388960][ T72] ipv6_find_idev+0x102/0x170 [ 66.388960][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 66.388960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 66.388960][ T72] netlink_rcv_skb+0x130/0x360 [ 66.388960][ T72] netlink_unicast+0x449/0x710 [ 66.388960][ T72] netlink_sendmsg+0x723/0xbe0 [ 66.388960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 66.388960][ T72] ___sys_sendmsg+0xee/0x170 [ 66.388960][ T72] __sys_sendmsg+0xcd/0x170 [ 66.388960][ T72] do_syscall_64+0xc6/0x1e0 [ 66.388960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 66.388960][ T72] [ 76.528831][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 76.529198][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 76.529198][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 76.529198][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 76.529198][ T72] fib6_nh_init+0xa22/0x1580 [ 76.529198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.529198][ T72] ip6_route_add+0x1c/0x140 [ 76.529198][ T72] inet6_rtm_newroute+0x104/0x110 [ 76.529198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.529198][ T72] netlink_rcv_skb+0x130/0x360 [ 76.529198][ T72] netlink_unicast+0x449/0x710 [ 76.529198][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.529198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.529198][ T72] ___sys_sendmsg+0xee/0x170 [ 76.529198][ T72] __sys_sendmsg+0xcd/0x170 [ 76.529198][ T72] do_syscall_64+0xc6/0x1e0 [ 76.529198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.529198][ T72] [ 76.531186][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 76.531186][ T72] dst_init+0x84/0x4a0 [ 76.531186][ T72] dst_alloc+0x97/0x150 [ 76.531186][ T72] ip6_dst_alloc+0x23/0x90 [ 76.531186][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 76.531186][ T72] ip6_pol_route+0x56f/0x840 [ 76.531186][ T72] fib6_rule_lookup+0x456/0x630 [ 76.531186][ T72] ip6_route_input+0x59c/0xa50 [ 76.531186][ T72] ipv6_rcv+0x397/0x810 [ 76.531186][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 76.531186][ T72] process_backlog+0x101/0x620 [ 76.531186][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 76.531186][ T72] net_rx_action+0x495/0xbe0 [ 76.531186][ T72] __do_softirq+0x1b5/0x7f6 [ 76.531186][ T72] [ 76.532877][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 76.532877][ T72] netdev_get_by_index+0x5e/0x80 [ 76.532877][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.532877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.532877][ T72] ip6_route_add+0x1c/0x140 [ 76.532877][ T72] addrconf_prefix_route+0x2a6/0x430 [ 76.532877][ T72] inet6_addr_add+0x4f8/0xa40 [ 76.532877][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.532877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.532877][ T72] netlink_rcv_skb+0x130/0x360 [ 76.532877][ T72] netlink_unicast+0x449/0x710 [ 76.532877][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.532877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.532877][ T72] ___sys_sendmsg+0xee/0x170 [ 76.532877][ T72] __sys_sendmsg+0xcd/0x170 [ 76.532877][ T72] do_syscall_64+0xc6/0x1e0 [ 76.532877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.532877][ T72] [ 76.534980][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 76.534980][ T72] netdev_get_by_index+0x5e/0x80 [ 76.534980][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.534980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.534980][ T72] addrconf_f6i_alloc+0x315/0x560 [ 76.534980][ T72] ipv6_add_addr+0x411/0x2000 [ 76.534980][ T72] inet6_addr_add+0x30e/0xa40 [ 76.534980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.534980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.534980][ T72] netlink_rcv_skb+0x130/0x360 [ 76.534980][ T72] netlink_unicast+0x449/0x710 [ 76.534980][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.534980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.534980][ T72] ___sys_sendmsg+0xee/0x170 [ 76.534980][ T72] __sys_sendmsg+0xcd/0x170 [ 76.534980][ T72] do_syscall_64+0xc6/0x1e0 [ 76.534980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.534980][ T72] [ 76.537030][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 76.537030][ T72] netdev_get_by_index+0x5e/0x80 [ 76.537030][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.537030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.537030][ T72] ip6_route_add+0x1c/0x140 [ 76.537030][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 76.537030][ T72] addrconf_add_dev+0xe2/0x170 [ 76.537030][ T72] inet6_addr_add+0x12f/0xa40 [ 76.537030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.537030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.537030][ T72] netlink_rcv_skb+0x130/0x360 [ 76.537030][ T72] netlink_unicast+0x449/0x710 [ 76.537030][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.537030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.537030][ T72] ___sys_sendmsg+0xee/0x170 [ 76.537030][ T72] __sys_sendmsg+0xcd/0x170 [ 76.537030][ T72] do_syscall_64+0xc6/0x1e0 [ 76.537030][ T72] [ 76.539086][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 76.539086][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 76.539086][ T72] ipv6_find_idev+0x102/0x170 [ 76.539086][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 76.539086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.539086][ T72] netlink_rcv_skb+0x130/0x360 [ 76.539086][ T72] netlink_unicast+0x449/0x710 [ 76.539086][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.539086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.539086][ T72] ___sys_sendmsg+0xee/0x170 [ 76.539086][ T72] __sys_sendmsg+0xcd/0x170 [ 76.539086][ T72] do_syscall_64+0xc6/0x1e0 [ 76.539086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.539086][ T72] [ 76.540712][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 76.540712][ T72] neigh_parms_alloc+0x1e5/0x510 [ 76.540712][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 76.540712][ T72] ipv6_find_idev+0x102/0x170 [ 76.540712][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 76.540712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.540712][ T72] netlink_rcv_skb+0x130/0x360 [ 76.540712][ T72] netlink_unicast+0x449/0x710 [ 76.540712][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.540712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.540712][ T72] ___sys_sendmsg+0xee/0x170 [ 76.540712][ T72] __sys_sendmsg+0xcd/0x170 [ 76.540712][ T72] do_syscall_64+0xc6/0x1e0 [ 76.540712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.540712][ T72] [ 76.542499][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 76.542785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 76.542785][ T72] dst_init+0x84/0x4a0 [ 76.542785][ T72] dst_alloc+0x97/0x150 [ 76.542785][ T72] ip6_dst_alloc+0x23/0x90 [ 76.542785][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 76.542785][ T72] ip6_pol_route+0x56f/0x840 [ 76.542785][ T72] fib6_rule_lookup+0x456/0x630 [ 76.542785][ T72] ip6_route_input+0x59c/0xa50 [ 76.542785][ T72] ipv6_rcv+0x397/0x810 [ 76.542785][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 76.542785][ T72] process_backlog+0x101/0x620 [ 76.542785][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 76.542785][ T72] net_rx_action+0x495/0xbe0 [ 76.542785][ T72] __do_softirq+0x1b5/0x7f6 [ 76.542785][ T72] [ 76.544663][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 76.544663][ T72] netdev_get_by_index+0x5e/0x80 [ 76.544663][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.544663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.544663][ T72] addrconf_f6i_alloc+0x265/0x560 [ 76.544663][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 76.544663][ T72] addrconf_join_anycast+0x1c0/0x220 [ 76.544663][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 76.544663][ T72] addrconf_dad_completed+0x12b/0xe20 [ 76.544663][ T72] addrconf_dad_begin+0x310/0x670 [ 76.544663][ T72] addrconf_dad_work+0x10b/0xab0 [ 76.544663][ T72] process_one_work+0x84d/0x18a0 [ 76.544663][ T72] worker_thread+0x587/0xd30 [ 76.544663][ T72] kthread+0x28a/0x350 [ 76.544663][ T72] ret_from_fork+0x31/0x70 [ 76.544663][ T72] ret_from_fork_asm+0x1a/0x30 [ 76.544663][ T72] [ 76.546756][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 76.546756][ T72] netdev_get_by_index+0x5e/0x80 [ 76.546756][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.546756][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.546756][ T72] ip6_route_add+0x1c/0x140 [ 76.546756][ T72] addrconf_prefix_route+0x2a6/0x430 [ 76.546756][ T72] inet6_addr_add+0x4f8/0xa40 [ 76.546756][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.546756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.546756][ T72] netlink_rcv_skb+0x130/0x360 [ 76.546756][ T72] netlink_unicast+0x449/0x710 [ 76.546756][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.546756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.546756][ T72] ___sys_sendmsg+0xee/0x170 [ 76.546756][ T72] __sys_sendmsg+0xcd/0x170 [ 76.546756][ T72] do_syscall_64+0xc6/0x1e0 [ 76.546756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.546756][ T72] [ 76.549235][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 76.549235][ T72] netdev_get_by_index+0x5e/0x80 [ 76.549235][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.549235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.549235][ T72] addrconf_f6i_alloc+0x315/0x560 [ 76.549235][ T72] ipv6_add_addr+0x411/0x2000 [ 76.549235][ T72] inet6_addr_add+0x30e/0xa40 [ 76.549235][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.549235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.549235][ T72] netlink_rcv_skb+0x130/0x360 [ 76.549235][ T72] netlink_unicast+0x449/0x710 [ 76.549235][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.549235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.549235][ T72] ___sys_sendmsg+0xee/0x170 [ 76.549235][ T72] __sys_sendmsg+0xcd/0x170 [ 76.549235][ T72] do_syscall_64+0xc6/0x1e0 [ 76.549235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.549235][ T72] [ 76.551508][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 76.551508][ T72] netdev_get_by_index+0x5e/0x80 [ 76.551508][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.551508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.551508][ T72] ip6_route_add+0x1c/0x140 [ 76.551508][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 76.551508][ T72] addrconf_add_dev+0xe2/0x170 [ 76.551508][ T72] inet6_addr_add+0x12f/0xa40 [ 76.551508][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.551508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.551508][ T72] netlink_rcv_skb+0x130/0x360 [ 76.551508][ T72] netlink_unicast+0x449/0x710 [ 76.551508][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.551508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.551508][ T72] ___sys_sendmsg+0xee/0x170 [ 76.551508][ T72] __sys_sendmsg+0xcd/0x170 [ 76.551508][ T72] do_syscall_64+0xc6/0x1e0 [ 76.551508][ T72] [ 76.553745][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 76.553745][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 76.553745][ T72] ipv6_find_idev+0x102/0x170 [ 76.553745][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 76.553745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.553745][ T72] netlink_rcv_skb+0x130/0x360 [ 76.553745][ T72] netlink_unicast+0x449/0x710 [ 76.553745][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.553745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.553745][ T72] ___sys_sendmsg+0xee/0x170 [ 76.553745][ T72] __sys_sendmsg+0xcd/0x170 [ 76.553745][ T72] do_syscall_64+0xc6/0x1e0 [ 76.553745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.553745][ T72] [ 76.555429][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 76.555429][ T72] neigh_parms_alloc+0x1e5/0x510 [ 76.555429][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 76.555429][ T72] ipv6_find_idev+0x102/0x170 [ 76.555429][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 76.555429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.555429][ T72] netlink_rcv_skb+0x130/0x360 [ 76.555429][ T72] netlink_unicast+0x449/0x710 [ 76.555429][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.555429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.555429][ T72] ___sys_sendmsg+0xee/0x170 [ 76.555429][ T72] __sys_sendmsg+0xcd/0x170 [ 76.555429][ T72] do_syscall_64+0xc6/0x1e0 [ 76.555429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.555429][ T72] [ 76.557306][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 76.557583][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 76.557583][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 76.557583][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 76.557583][ T72] fib6_nh_init+0xa22/0x1580 [ 76.557583][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.557583][ T72] ip6_route_add+0x1c/0x140 [ 76.557583][ T72] inet6_rtm_newroute+0x104/0x110 [ 76.557583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.557583][ T72] netlink_rcv_skb+0x130/0x360 [ 76.557583][ T72] netlink_unicast+0x449/0x710 [ 76.557583][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.557583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.557583][ T72] ___sys_sendmsg+0xee/0x170 [ 76.557583][ T72] __sys_sendmsg+0xcd/0x170 [ 76.557583][ T72] do_syscall_64+0xc6/0x1e0 [ 76.557583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.557583][ T72] [ 76.559592][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 76.559592][ T72] dst_init+0x84/0x4a0 [ 76.559592][ T72] dst_alloc+0x97/0x150 [ 76.559592][ T72] ip6_dst_alloc+0x23/0x90 [ 76.559592][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 76.559592][ T72] ip6_pol_route+0x56f/0x840 [ 76.559592][ T72] fib6_rule_lookup+0x456/0x630 [ 76.559592][ T72] ip6_route_input+0x59c/0xa50 [ 76.559592][ T72] ipv6_rcv+0x397/0x810 [ 76.559592][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 76.559592][ T72] process_backlog+0x101/0x620 [ 76.559592][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 76.559592][ T72] net_rx_action+0x495/0xbe0 [ 76.559592][ T72] __do_softirq+0x1b5/0x7f6 [ 76.559592][ T72] [ 76.561418][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 76.561418][ T72] netdev_get_by_index+0x5e/0x80 [ 76.561418][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.561418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.561418][ T72] ip6_route_add+0x1c/0x140 [ 76.561418][ T72] addrconf_prefix_route+0x2a6/0x430 [ 76.561418][ T72] inet6_addr_add+0x4f8/0xa40 [ 76.561418][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.561418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.561418][ T72] netlink_rcv_skb+0x130/0x360 [ 76.561418][ T72] netlink_unicast+0x449/0x710 [ 76.561418][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.561418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.561418][ T72] ___sys_sendmsg+0xee/0x170 [ 76.561418][ T72] __sys_sendmsg+0xcd/0x170 [ 76.561418][ T72] do_syscall_64+0xc6/0x1e0 [ 76.561418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.561418][ T72] [ 76.563621][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 76.563621][ T72] netdev_get_by_index+0x5e/0x80 [ 76.563621][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.563621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.563621][ T72] addrconf_f6i_alloc+0x315/0x560 [ 76.563621][ T72] ipv6_add_addr+0x411/0x2000 [ 76.563621][ T72] inet6_addr_add+0x30e/0xa40 [ 76.563621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.563621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.563621][ T72] netlink_rcv_skb+0x130/0x360 [ 76.563621][ T72] netlink_unicast+0x449/0x710 [ 76.563621][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.563621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.563621][ T72] ___sys_sendmsg+0xee/0x170 [ 76.563621][ T72] __sys_sendmsg+0xcd/0x170 [ 76.563621][ T72] do_syscall_64+0xc6/0x1e0 [ 76.563621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.563621][ T72] [ 76.565914][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 76.565914][ T72] netdev_get_by_index+0x5e/0x80 [ 76.565914][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.565914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.565914][ T72] ip6_route_add+0x1c/0x140 [ 76.565914][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 76.565914][ T72] addrconf_add_dev+0xe2/0x170 [ 76.565914][ T72] inet6_addr_add+0x12f/0xa40 [ 76.565914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.565914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.565914][ T72] netlink_rcv_skb+0x130/0x360 [ 76.565914][ T72] netlink_unicast+0x449/0x710 [ 76.565914][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.565914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.565914][ T72] ___sys_sendmsg+0xee/0x170 [ 76.565914][ T72] __sys_sendmsg+0xcd/0x170 [ 76.565914][ T72] do_syscall_64+0xc6/0x1e0 [ 76.565914][ T72] [ 76.568338][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 76.568338][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 76.568338][ T72] ipv6_find_idev+0x102/0x170 [ 76.568338][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 76.568338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.568338][ T72] netlink_rcv_skb+0x130/0x360 [ 76.568338][ T72] netlink_unicast+0x449/0x710 [ 76.568338][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.568338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.568338][ T72] ___sys_sendmsg+0xee/0x170 [ 76.568338][ T72] __sys_sendmsg+0xcd/0x170 [ 76.568338][ T72] do_syscall_64+0xc6/0x1e0 [ 76.568338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.568338][ T72] [ 76.570152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 76.570152][ T72] neigh_parms_alloc+0x1e5/0x510 [ 76.570152][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 76.570152][ T72] ipv6_find_idev+0x102/0x170 [ 76.570152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 76.570152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.570152][ T72] netlink_rcv_skb+0x130/0x360 [ 76.570152][ T72] netlink_unicast+0x449/0x710 [ 76.570152][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.570152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.570152][ T72] ___sys_sendmsg+0xee/0x170 [ 76.570152][ T72] __sys_sendmsg+0xcd/0x170 [ 76.570152][ T72] do_syscall_64+0xc6/0x1e0 [ 76.570152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.570152][ T72] [ 76.572271][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 76.572560][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 76.572560][ T72] netdev_get_by_index+0x5e/0x80 [ 76.572560][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.572560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.572560][ T72] addrconf_f6i_alloc+0x265/0x560 [ 76.572560][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 76.572560][ T72] addrconf_join_anycast+0x1c0/0x220 [ 76.572560][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 76.572560][ T72] addrconf_dad_completed+0x12b/0xe20 [ 76.572560][ T72] addrconf_dad_begin+0x310/0x670 [ 76.572560][ T72] addrconf_dad_work+0x10b/0xab0 [ 76.572560][ T72] process_one_work+0x84d/0x18a0 [ 76.572560][ T72] worker_thread+0x587/0xd30 [ 76.572560][ T72] kthread+0x28a/0x350 [ 76.572560][ T72] ret_from_fork+0x31/0x70 [ 76.572560][ T72] ret_from_fork_asm+0x1a/0x30 [ 76.572560][ T72] [ 76.574654][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 76.574654][ T72] netdev_get_by_index+0x5e/0x80 [ 76.574654][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.574654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.574654][ T72] ip6_route_add+0x1c/0x140 [ 76.574654][ T72] addrconf_prefix_route+0x2a6/0x430 [ 76.574654][ T72] inet6_addr_add+0x4f8/0xa40 [ 76.574654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.574654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.574654][ T72] netlink_rcv_skb+0x130/0x360 [ 76.574654][ T72] netlink_unicast+0x449/0x710 [ 76.574654][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.574654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.574654][ T72] ___sys_sendmsg+0xee/0x170 [ 76.574654][ T72] __sys_sendmsg+0xcd/0x170 [ 76.574654][ T72] do_syscall_64+0xc6/0x1e0 [ 76.574654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.574654][ T72] [ 76.576661][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 76.576661][ T72] netdev_get_by_index+0x5e/0x80 [ 76.576661][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.576661][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.576661][ T72] addrconf_f6i_alloc+0x315/0x560 [ 76.576661][ T72] ipv6_add_addr+0x411/0x2000 [ 76.576661][ T72] inet6_addr_add+0x30e/0xa40 [ 76.576661][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.576661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.576661][ T72] netlink_rcv_skb+0x130/0x360 [ 76.576661][ T72] netlink_unicast+0x449/0x710 [ 76.576661][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.576661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.576661][ T72] ___sys_sendmsg+0xee/0x170 [ 76.576661][ T72] __sys_sendmsg+0xcd/0x170 [ 76.576661][ T72] do_syscall_64+0xc6/0x1e0 [ 76.576661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.576661][ T72] [ 76.578732][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 76.578732][ T72] netdev_get_by_index+0x5e/0x80 [ 76.578732][ T72] fib6_nh_init+0x3d8/0x1580 [ 76.578732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 76.578732][ T72] ip6_route_add+0x1c/0x140 [ 76.578732][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 76.578732][ T72] addrconf_add_dev+0xe2/0x170 [ 76.578732][ T72] inet6_addr_add+0x12f/0xa40 [ 76.578732][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 76.578732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.578732][ T72] netlink_rcv_skb+0x130/0x360 [ 76.578732][ T72] netlink_unicast+0x449/0x710 [ 76.578732][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.578732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.578732][ T72] ___sys_sendmsg+0xee/0x170 [ 76.578732][ T72] __sys_sendmsg+0xcd/0x170 [ 76.578732][ T72] do_syscall_64+0xc6/0x1e0 [ 76.578732][ T72] [ 76.580716][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 76.580716][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 76.580716][ T72] ipv6_find_idev+0x102/0x170 [ 76.580716][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 76.580716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.580716][ T72] netlink_rcv_skb+0x130/0x360 [ 76.580716][ T72] netlink_unicast+0x449/0x710 [ 76.580716][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.580716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.580716][ T72] ___sys_sendmsg+0xee/0x170 [ 76.580716][ T72] __sys_sendmsg+0xcd/0x170 [ 76.580716][ T72] do_syscall_64+0xc6/0x1e0 [ 76.580716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.580716][ T72] [ 76.582396][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 76.582396][ T72] neigh_parms_alloc+0x1e5/0x510 [ 76.582396][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 76.582396][ T72] ipv6_find_idev+0x102/0x170 [ 76.582396][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 76.582396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 76.582396][ T72] netlink_rcv_skb+0x130/0x360 [ 76.582396][ T72] netlink_unicast+0x449/0x710 [ 76.582396][ T72] netlink_sendmsg+0x723/0xbe0 [ 76.582396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 76.582396][ T72] ___sys_sendmsg+0xee/0x170 [ 76.582396][ T72] __sys_sendmsg+0xcd/0x170 [ 76.582396][ T72] do_syscall_64+0xc6/0x1e0 [ 76.582396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 76.582396][ T72] [ 86.672831][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 86.673230][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 86.673230][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 86.673230][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 86.673230][ T72] fib6_nh_init+0xa22/0x1580 [ 86.673230][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.673230][ T72] ip6_route_add+0x1c/0x140 [ 86.673230][ T72] inet6_rtm_newroute+0x104/0x110 [ 86.673230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.673230][ T72] netlink_rcv_skb+0x130/0x360 [ 86.673230][ T72] netlink_unicast+0x449/0x710 [ 86.673230][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.673230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.673230][ T72] ___sys_sendmsg+0xee/0x170 [ 86.673230][ T72] __sys_sendmsg+0xcd/0x170 [ 86.673230][ T72] do_syscall_64+0xc6/0x1e0 [ 86.673230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.673230][ T72] [ 86.675450][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 86.675450][ T72] dst_init+0x84/0x4a0 [ 86.675450][ T72] dst_alloc+0x97/0x150 [ 86.675450][ T72] ip6_dst_alloc+0x23/0x90 [ 86.675450][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 86.675450][ T72] ip6_pol_route+0x56f/0x840 [ 86.675450][ T72] fib6_rule_lookup+0x456/0x630 [ 86.675450][ T72] ip6_route_input+0x59c/0xa50 [ 86.675450][ T72] ipv6_rcv+0x397/0x810 [ 86.675450][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 86.675450][ T72] process_backlog+0x101/0x620 [ 86.675450][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 86.675450][ T72] net_rx_action+0x495/0xbe0 [ 86.675450][ T72] __do_softirq+0x1b5/0x7f6 [ 86.675450][ T72] [ 86.677330][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 86.677330][ T72] netdev_get_by_index+0x5e/0x80 [ 86.677330][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.677330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.677330][ T72] ip6_route_add+0x1c/0x140 [ 86.677330][ T72] addrconf_prefix_route+0x2a6/0x430 [ 86.677330][ T72] inet6_addr_add+0x4f8/0xa40 [ 86.677330][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.677330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.677330][ T72] netlink_rcv_skb+0x130/0x360 [ 86.677330][ T72] netlink_unicast+0x449/0x710 [ 86.677330][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.677330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.677330][ T72] ___sys_sendmsg+0xee/0x170 [ 86.677330][ T72] __sys_sendmsg+0xcd/0x170 [ 86.677330][ T72] do_syscall_64+0xc6/0x1e0 [ 86.677330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.677330][ T72] [ 86.679684][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 86.679684][ T72] netdev_get_by_index+0x5e/0x80 [ 86.679684][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.679684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.679684][ T72] addrconf_f6i_alloc+0x315/0x560 [ 86.679684][ T72] ipv6_add_addr+0x411/0x2000 [ 86.679684][ T72] inet6_addr_add+0x30e/0xa40 [ 86.679684][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.679684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.679684][ T72] netlink_rcv_skb+0x130/0x360 [ 86.679684][ T72] netlink_unicast+0x449/0x710 [ 86.679684][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.679684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.679684][ T72] ___sys_sendmsg+0xee/0x170 [ 86.679684][ T72] __sys_sendmsg+0xcd/0x170 [ 86.679684][ T72] do_syscall_64+0xc6/0x1e0 [ 86.679684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.679684][ T72] [ 86.681997][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 86.681997][ T72] netdev_get_by_index+0x5e/0x80 [ 86.681997][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.681997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.681997][ T72] ip6_route_add+0x1c/0x140 [ 86.681997][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 86.681997][ T72] addrconf_add_dev+0xe2/0x170 [ 86.681997][ T72] inet6_addr_add+0x12f/0xa40 [ 86.681997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.681997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.681997][ T72] netlink_rcv_skb+0x130/0x360 [ 86.681997][ T72] netlink_unicast+0x449/0x710 [ 86.681997][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.681997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.681997][ T72] ___sys_sendmsg+0xee/0x170 [ 86.681997][ T72] __sys_sendmsg+0xcd/0x170 [ 86.681997][ T72] do_syscall_64+0xc6/0x1e0 [ 86.681997][ T72] [ 86.684248][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 86.684248][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 86.684248][ T72] ipv6_find_idev+0x102/0x170 [ 86.684248][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 86.684248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.684248][ T72] netlink_rcv_skb+0x130/0x360 [ 86.684248][ T72] netlink_unicast+0x449/0x710 [ 86.684248][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.684248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.684248][ T72] ___sys_sendmsg+0xee/0x170 [ 86.684248][ T72] __sys_sendmsg+0xcd/0x170 [ 86.684248][ T72] do_syscall_64+0xc6/0x1e0 [ 86.684248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.684248][ T72] [ 86.686011][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 86.686011][ T72] neigh_parms_alloc+0x1e5/0x510 [ 86.686011][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 86.686011][ T72] ipv6_find_idev+0x102/0x170 [ 86.686011][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 86.686011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.686011][ T72] netlink_rcv_skb+0x130/0x360 [ 86.686011][ T72] netlink_unicast+0x449/0x710 [ 86.686011][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.686011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.686011][ T72] ___sys_sendmsg+0xee/0x170 [ 86.686011][ T72] __sys_sendmsg+0xcd/0x170 [ 86.686011][ T72] do_syscall_64+0xc6/0x1e0 [ 86.686011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.686011][ T72] [ 86.688097][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 86.688406][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 86.688406][ T72] dst_init+0x84/0x4a0 [ 86.688406][ T72] dst_alloc+0x97/0x150 [ 86.688406][ T72] ip6_dst_alloc+0x23/0x90 [ 86.688406][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 86.688406][ T72] ip6_pol_route+0x56f/0x840 [ 86.688406][ T72] fib6_rule_lookup+0x456/0x630 [ 86.688406][ T72] ip6_route_input+0x59c/0xa50 [ 86.688406][ T72] ipv6_rcv+0x397/0x810 [ 86.688406][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 86.688406][ T72] process_backlog+0x101/0x620 [ 86.688406][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 86.688406][ T72] net_rx_action+0x495/0xbe0 [ 86.688406][ T72] __do_softirq+0x1b5/0x7f6 [ 86.688406][ T72] [ 86.690591][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 86.690591][ T72] netdev_get_by_index+0x5e/0x80 [ 86.690591][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.690591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.690591][ T72] addrconf_f6i_alloc+0x265/0x560 [ 86.690591][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 86.690591][ T72] addrconf_join_anycast+0x1c0/0x220 [ 86.690591][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 86.690591][ T72] addrconf_dad_completed+0x12b/0xe20 [ 86.690591][ T72] addrconf_dad_begin+0x310/0x670 [ 86.690591][ T72] addrconf_dad_work+0x10b/0xab0 [ 86.690591][ T72] process_one_work+0x84d/0x18a0 [ 86.690591][ T72] worker_thread+0x587/0xd30 [ 86.690591][ T72] kthread+0x28a/0x350 [ 86.690591][ T72] ret_from_fork+0x31/0x70 [ 86.690591][ T72] ret_from_fork_asm+0x1a/0x30 [ 86.690591][ T72] [ 86.692857][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 86.692857][ T72] netdev_get_by_index+0x5e/0x80 [ 86.692857][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.692857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.692857][ T72] ip6_route_add+0x1c/0x140 [ 86.692857][ T72] addrconf_prefix_route+0x2a6/0x430 [ 86.692857][ T72] inet6_addr_add+0x4f8/0xa40 [ 86.692857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.692857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.692857][ T72] netlink_rcv_skb+0x130/0x360 [ 86.692857][ T72] netlink_unicast+0x449/0x710 [ 86.692857][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.692857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.692857][ T72] ___sys_sendmsg+0xee/0x170 [ 86.692857][ T72] __sys_sendmsg+0xcd/0x170 [ 86.692857][ T72] do_syscall_64+0xc6/0x1e0 [ 86.692857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.692857][ T72] [ 86.695265][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 86.695265][ T72] netdev_get_by_index+0x5e/0x80 [ 86.695265][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.695265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.695265][ T72] addrconf_f6i_alloc+0x315/0x560 [ 86.695265][ T72] ipv6_add_addr+0x411/0x2000 [ 86.695265][ T72] inet6_addr_add+0x30e/0xa40 [ 86.695265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.695265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.695265][ T72] netlink_rcv_skb+0x130/0x360 [ 86.695265][ T72] netlink_unicast+0x449/0x710 [ 86.695265][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.695265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.695265][ T72] ___sys_sendmsg+0xee/0x170 [ 86.695265][ T72] __sys_sendmsg+0xcd/0x170 [ 86.695265][ T72] do_syscall_64+0xc6/0x1e0 [ 86.695265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.695265][ T72] [ 86.697831][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 86.697831][ T72] netdev_get_by_index+0x5e/0x80 [ 86.697831][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.697831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.697831][ T72] ip6_route_add+0x1c/0x140 [ 86.697831][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 86.697831][ T72] addrconf_add_dev+0xe2/0x170 [ 86.697831][ T72] inet6_addr_add+0x12f/0xa40 [ 86.697831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.697831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.697831][ T72] netlink_rcv_skb+0x130/0x360 [ 86.697831][ T72] netlink_unicast+0x449/0x710 [ 86.697831][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.697831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.697831][ T72] ___sys_sendmsg+0xee/0x170 [ 86.697831][ T72] __sys_sendmsg+0xcd/0x170 [ 86.697831][ T72] do_syscall_64+0xc6/0x1e0 [ 86.697831][ T72] [ 86.700349][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 86.700349][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 86.700349][ T72] ipv6_find_idev+0x102/0x170 [ 86.700349][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 86.700349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.700349][ T72] netlink_rcv_skb+0x130/0x360 [ 86.700349][ T72] netlink_unicast+0x449/0x710 [ 86.700349][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.700349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.700349][ T72] ___sys_sendmsg+0xee/0x170 [ 86.700349][ T72] __sys_sendmsg+0xcd/0x170 [ 86.700349][ T72] do_syscall_64+0xc6/0x1e0 [ 86.700349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.700349][ T72] [ 86.702440][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 86.702440][ T72] neigh_parms_alloc+0x1e5/0x510 [ 86.702440][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 86.702440][ T72] ipv6_find_idev+0x102/0x170 [ 86.702440][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 86.702440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.702440][ T72] netlink_rcv_skb+0x130/0x360 [ 86.702440][ T72] netlink_unicast+0x449/0x710 [ 86.702440][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.702440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.702440][ T72] ___sys_sendmsg+0xee/0x170 [ 86.702440][ T72] __sys_sendmsg+0xcd/0x170 [ 86.702440][ T72] do_syscall_64+0xc6/0x1e0 [ 86.702440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.702440][ T72] [ 86.704491][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 86.704803][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 86.704803][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 86.704803][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 86.704803][ T72] fib6_nh_init+0xa22/0x1580 [ 86.704803][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.704803][ T72] ip6_route_add+0x1c/0x140 [ 86.704803][ T72] inet6_rtm_newroute+0x104/0x110 [ 86.704803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.704803][ T72] netlink_rcv_skb+0x130/0x360 [ 86.704803][ T72] netlink_unicast+0x449/0x710 [ 86.704803][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.704803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.704803][ T72] ___sys_sendmsg+0xee/0x170 [ 86.704803][ T72] __sys_sendmsg+0xcd/0x170 [ 86.704803][ T72] do_syscall_64+0xc6/0x1e0 [ 86.704803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.704803][ T72] [ 86.707206][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 86.707206][ T72] dst_init+0x84/0x4a0 [ 86.707206][ T72] dst_alloc+0x97/0x150 [ 86.707206][ T72] ip6_dst_alloc+0x23/0x90 [ 86.707206][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 86.707206][ T72] ip6_pol_route+0x56f/0x840 [ 86.707206][ T72] fib6_rule_lookup+0x456/0x630 [ 86.707206][ T72] ip6_route_input+0x59c/0xa50 [ 86.707206][ T72] ipv6_rcv+0x397/0x810 [ 86.707206][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 86.707206][ T72] process_backlog+0x101/0x620 [ 86.707206][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 86.707206][ T72] net_rx_action+0x495/0xbe0 [ 86.707206][ T72] __do_softirq+0x1b5/0x7f6 [ 86.707206][ T72] [ 86.709299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 86.709299][ T72] netdev_get_by_index+0x5e/0x80 [ 86.709299][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.709299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.709299][ T72] ip6_route_add+0x1c/0x140 [ 86.709299][ T72] addrconf_prefix_route+0x2a6/0x430 [ 86.709299][ T72] inet6_addr_add+0x4f8/0xa40 [ 86.709299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.709299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.709299][ T72] netlink_rcv_skb+0x130/0x360 [ 86.709299][ T72] netlink_unicast+0x449/0x710 [ 86.709299][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.709299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.709299][ T72] ___sys_sendmsg+0xee/0x170 [ 86.709299][ T72] __sys_sendmsg+0xcd/0x170 [ 86.709299][ T72] do_syscall_64+0xc6/0x1e0 [ 86.709299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.709299][ T72] [ 86.711955][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 86.711955][ T72] netdev_get_by_index+0x5e/0x80 [ 86.711955][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.711955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.711955][ T72] addrconf_f6i_alloc+0x315/0x560 [ 86.711955][ T72] ipv6_add_addr+0x411/0x2000 [ 86.711955][ T72] inet6_addr_add+0x30e/0xa40 [ 86.711955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.711955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.711955][ T72] netlink_rcv_skb+0x130/0x360 [ 86.711955][ T72] netlink_unicast+0x449/0x710 [ 86.711955][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.711955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.711955][ T72] ___sys_sendmsg+0xee/0x170 [ 86.711955][ T72] __sys_sendmsg+0xcd/0x170 [ 86.711955][ T72] do_syscall_64+0xc6/0x1e0 [ 86.711955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.711955][ T72] [ 86.714532][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 86.714532][ T72] netdev_get_by_index+0x5e/0x80 [ 86.714532][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.714532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.714532][ T72] ip6_route_add+0x1c/0x140 [ 86.714532][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 86.714532][ T72] addrconf_add_dev+0xe2/0x170 [ 86.714532][ T72] inet6_addr_add+0x12f/0xa40 [ 86.714532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.714532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.714532][ T72] netlink_rcv_skb+0x130/0x360 [ 86.714532][ T72] netlink_unicast+0x449/0x710 [ 86.714532][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.714532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.714532][ T72] ___sys_sendmsg+0xee/0x170 [ 86.714532][ T72] __sys_sendmsg+0xcd/0x170 [ 86.714532][ T72] do_syscall_64+0xc6/0x1e0 [ 86.714532][ T72] [ 86.716933][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 86.716933][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 86.716933][ T72] ipv6_find_idev+0x102/0x170 [ 86.716933][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 86.716933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.716933][ T72] netlink_rcv_skb+0x130/0x360 [ 86.716933][ T72] netlink_unicast+0x449/0x710 [ 86.716933][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.716933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.716933][ T72] ___sys_sendmsg+0xee/0x170 [ 86.716933][ T72] __sys_sendmsg+0xcd/0x170 [ 86.716933][ T72] do_syscall_64+0xc6/0x1e0 [ 86.716933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.716933][ T72] [ 86.718908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 86.718908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 86.718908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 86.718908][ T72] ipv6_find_idev+0x102/0x170 [ 86.718908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 86.718908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.718908][ T72] netlink_rcv_skb+0x130/0x360 [ 86.718908][ T72] netlink_unicast+0x449/0x710 [ 86.718908][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.718908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.718908][ T72] ___sys_sendmsg+0xee/0x170 [ 86.718908][ T72] __sys_sendmsg+0xcd/0x170 [ 86.718908][ T72] do_syscall_64+0xc6/0x1e0 [ 86.718908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.718908][ T72] [ 86.721097][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 86.721411][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 86.721411][ T72] netdev_get_by_index+0x5e/0x80 [ 86.721411][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.721411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.721411][ T72] addrconf_f6i_alloc+0x265/0x560 [ 86.721411][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 86.721411][ T72] addrconf_join_anycast+0x1c0/0x220 [ 86.721411][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 86.721411][ T72] addrconf_dad_completed+0x12b/0xe20 [ 86.721411][ T72] addrconf_dad_begin+0x310/0x670 [ 86.721411][ T72] addrconf_dad_work+0x10b/0xab0 [ 86.721411][ T72] process_one_work+0x84d/0x18a0 [ 86.721411][ T72] worker_thread+0x587/0xd30 [ 86.721411][ T72] kthread+0x28a/0x350 [ 86.721411][ T72] ret_from_fork+0x31/0x70 [ 86.721411][ T72] ret_from_fork_asm+0x1a/0x30 [ 86.721411][ T72] [ 86.723666][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 86.723666][ T72] netdev_get_by_index+0x5e/0x80 [ 86.723666][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.723666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.723666][ T72] ip6_route_add+0x1c/0x140 [ 86.723666][ T72] addrconf_prefix_route+0x2a6/0x430 [ 86.723666][ T72] inet6_addr_add+0x4f8/0xa40 [ 86.723666][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.723666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.723666][ T72] netlink_rcv_skb+0x130/0x360 [ 86.723666][ T72] netlink_unicast+0x449/0x710 [ 86.723666][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.723666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.723666][ T72] ___sys_sendmsg+0xee/0x170 [ 86.723666][ T72] __sys_sendmsg+0xcd/0x170 [ 86.723666][ T72] do_syscall_64+0xc6/0x1e0 [ 86.723666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.723666][ T72] [ 86.725937][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 86.725937][ T72] netdev_get_by_index+0x5e/0x80 [ 86.725937][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.725937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.725937][ T72] addrconf_f6i_alloc+0x315/0x560 [ 86.725937][ T72] ipv6_add_addr+0x411/0x2000 [ 86.725937][ T72] inet6_addr_add+0x30e/0xa40 [ 86.725937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.725937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.725937][ T72] netlink_rcv_skb+0x130/0x360 [ 86.725937][ T72] netlink_unicast+0x449/0x710 [ 86.725937][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.725937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.725937][ T72] ___sys_sendmsg+0xee/0x170 [ 86.725937][ T72] __sys_sendmsg+0xcd/0x170 [ 86.725937][ T72] do_syscall_64+0xc6/0x1e0 [ 86.725937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.725937][ T72] [ 86.728233][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 86.728233][ T72] netdev_get_by_index+0x5e/0x80 [ 86.728233][ T72] fib6_nh_init+0x3d8/0x1580 [ 86.728233][ T72] ip6_route_info_create+0xf18/0x17d0 [ 86.728233][ T72] ip6_route_add+0x1c/0x140 [ 86.728233][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 86.728233][ T72] addrconf_add_dev+0xe2/0x170 [ 86.728233][ T72] inet6_addr_add+0x12f/0xa40 [ 86.728233][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 86.728233][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.728233][ T72] netlink_rcv_skb+0x130/0x360 [ 86.728233][ T72] netlink_unicast+0x449/0x710 [ 86.728233][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.728233][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.728233][ T72] ___sys_sendmsg+0xee/0x170 [ 86.728233][ T72] __sys_sendmsg+0xcd/0x170 [ 86.728233][ T72] do_syscall_64+0xc6/0x1e0 [ 86.728233][ T72] [ 86.730563][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 86.730563][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 86.730563][ T72] ipv6_find_idev+0x102/0x170 [ 86.730563][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 86.730563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.730563][ T72] netlink_rcv_skb+0x130/0x360 [ 86.730563][ T72] netlink_unicast+0x449/0x710 [ 86.730563][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.730563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.730563][ T72] ___sys_sendmsg+0xee/0x170 [ 86.730563][ T72] __sys_sendmsg+0xcd/0x170 [ 86.730563][ T72] do_syscall_64+0xc6/0x1e0 [ 86.730563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.730563][ T72] [ 86.732358][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 86.732358][ T72] neigh_parms_alloc+0x1e5/0x510 [ 86.732358][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 86.732358][ T72] ipv6_find_idev+0x102/0x170 [ 86.732358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 86.732358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 86.732358][ T72] netlink_rcv_skb+0x130/0x360 [ 86.732358][ T72] netlink_unicast+0x449/0x710 [ 86.732358][ T72] netlink_sendmsg+0x723/0xbe0 [ 86.732358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 86.732358][ T72] ___sys_sendmsg+0xee/0x170 [ 86.732358][ T72] __sys_sendmsg+0xcd/0x170 [ 86.732358][ T72] do_syscall_64+0xc6/0x1e0 [ 86.732358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 86.732358][ T72] [ 96.872851][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 96.873256][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 96.873256][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 96.873256][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 96.873256][ T72] fib6_nh_init+0xa22/0x1580 [ 96.873256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.873256][ T72] ip6_route_add+0x1c/0x140 [ 96.873256][ T72] inet6_rtm_newroute+0x104/0x110 [ 96.873256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.873256][ T72] netlink_rcv_skb+0x130/0x360 [ 96.873256][ T72] netlink_unicast+0x449/0x710 [ 96.873256][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.873256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.873256][ T72] ___sys_sendmsg+0xee/0x170 [ 96.873256][ T72] __sys_sendmsg+0xcd/0x170 [ 96.873256][ T72] do_syscall_64+0xc6/0x1e0 [ 96.873256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.873256][ T72] [ 96.875418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 96.875418][ T72] dst_init+0x84/0x4a0 [ 96.875418][ T72] dst_alloc+0x97/0x150 [ 96.875418][ T72] ip6_dst_alloc+0x23/0x90 [ 96.875418][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 96.875418][ T72] ip6_pol_route+0x56f/0x840 [ 96.875418][ T72] fib6_rule_lookup+0x456/0x630 [ 96.875418][ T72] ip6_route_input+0x59c/0xa50 [ 96.875418][ T72] ipv6_rcv+0x397/0x810 [ 96.875418][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 96.875418][ T72] process_backlog+0x101/0x620 [ 96.875418][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 96.875418][ T72] net_rx_action+0x495/0xbe0 [ 96.875418][ T72] __do_softirq+0x1b5/0x7f6 [ 96.875418][ T72] [ 96.877266][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 96.877266][ T72] netdev_get_by_index+0x5e/0x80 [ 96.877266][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.877266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.877266][ T72] ip6_route_add+0x1c/0x140 [ 96.877266][ T72] addrconf_prefix_route+0x2a6/0x430 [ 96.877266][ T72] inet6_addr_add+0x4f8/0xa40 [ 96.877266][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.877266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.877266][ T72] netlink_rcv_skb+0x130/0x360 [ 96.877266][ T72] netlink_unicast+0x449/0x710 [ 96.877266][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.877266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.877266][ T72] ___sys_sendmsg+0xee/0x170 [ 96.877266][ T72] __sys_sendmsg+0xcd/0x170 [ 96.877266][ T72] do_syscall_64+0xc6/0x1e0 [ 96.877266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.877266][ T72] [ 96.879565][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 96.879565][ T72] netdev_get_by_index+0x5e/0x80 [ 96.879565][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.879565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.879565][ T72] addrconf_f6i_alloc+0x315/0x560 [ 96.879565][ T72] ipv6_add_addr+0x411/0x2000 [ 96.879565][ T72] inet6_addr_add+0x30e/0xa40 [ 96.879565][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.879565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.879565][ T72] netlink_rcv_skb+0x130/0x360 [ 96.879565][ T72] netlink_unicast+0x449/0x710 [ 96.879565][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.879565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.879565][ T72] ___sys_sendmsg+0xee/0x170 [ 96.879565][ T72] __sys_sendmsg+0xcd/0x170 [ 96.879565][ T72] do_syscall_64+0xc6/0x1e0 [ 96.879565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.879565][ T72] [ 96.881800][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 96.881800][ T72] netdev_get_by_index+0x5e/0x80 [ 96.881800][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.881800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.881800][ T72] ip6_route_add+0x1c/0x140 [ 96.881800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 96.881800][ T72] addrconf_add_dev+0xe2/0x170 [ 96.881800][ T72] inet6_addr_add+0x12f/0xa40 [ 96.881800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.881800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.881800][ T72] netlink_rcv_skb+0x130/0x360 [ 96.881800][ T72] netlink_unicast+0x449/0x710 [ 96.881800][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.881800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.881800][ T72] ___sys_sendmsg+0xee/0x170 [ 96.881800][ T72] __sys_sendmsg+0xcd/0x170 [ 96.881800][ T72] do_syscall_64+0xc6/0x1e0 [ 96.881800][ T72] [ 96.883980][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 96.883980][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 96.883980][ T72] ipv6_find_idev+0x102/0x170 [ 96.883980][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 96.883980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.883980][ T72] netlink_rcv_skb+0x130/0x360 [ 96.883980][ T72] netlink_unicast+0x449/0x710 [ 96.883980][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.883980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.883980][ T72] ___sys_sendmsg+0xee/0x170 [ 96.883980][ T72] __sys_sendmsg+0xcd/0x170 [ 96.883980][ T72] do_syscall_64+0xc6/0x1e0 [ 96.883980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.883980][ T72] [ 96.885702][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 96.885702][ T72] neigh_parms_alloc+0x1e5/0x510 [ 96.885702][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 96.885702][ T72] ipv6_find_idev+0x102/0x170 [ 96.885702][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 96.885702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.885702][ T72] netlink_rcv_skb+0x130/0x360 [ 96.885702][ T72] netlink_unicast+0x449/0x710 [ 96.885702][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.885702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.885702][ T72] ___sys_sendmsg+0xee/0x170 [ 96.885702][ T72] __sys_sendmsg+0xcd/0x170 [ 96.885702][ T72] do_syscall_64+0xc6/0x1e0 [ 96.885702][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.885702][ T72] [ 96.887596][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 96.887925][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 96.887925][ T72] dst_init+0x84/0x4a0 [ 96.887925][ T72] dst_alloc+0x97/0x150 [ 96.887925][ T72] ip6_dst_alloc+0x23/0x90 [ 96.887925][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 96.887925][ T72] ip6_pol_route+0x56f/0x840 [ 96.887925][ T72] fib6_rule_lookup+0x456/0x630 [ 96.887925][ T72] ip6_route_input+0x59c/0xa50 [ 96.887925][ T72] ipv6_rcv+0x397/0x810 [ 96.887925][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 96.887925][ T72] process_backlog+0x101/0x620 [ 96.887925][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 96.887925][ T72] net_rx_action+0x495/0xbe0 [ 96.887925][ T72] __do_softirq+0x1b5/0x7f6 [ 96.887925][ T72] [ 96.889808][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 96.889808][ T72] netdev_get_by_index+0x5e/0x80 [ 96.889808][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.889808][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.889808][ T72] addrconf_f6i_alloc+0x265/0x560 [ 96.889808][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 96.889808][ T72] addrconf_join_anycast+0x1c0/0x220 [ 96.889808][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 96.889808][ T72] addrconf_dad_completed+0x12b/0xe20 [ 96.889808][ T72] addrconf_dad_begin+0x310/0x670 [ 96.889808][ T72] addrconf_dad_work+0x10b/0xab0 [ 96.889808][ T72] process_one_work+0x84d/0x18a0 [ 96.889808][ T72] worker_thread+0x587/0xd30 [ 96.889808][ T72] kthread+0x28a/0x350 [ 96.889808][ T72] ret_from_fork+0x31/0x70 [ 96.889808][ T72] ret_from_fork_asm+0x1a/0x30 [ 96.889808][ T72] [ 96.892091][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 96.892091][ T72] netdev_get_by_index+0x5e/0x80 [ 96.892091][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.892091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.892091][ T72] ip6_route_add+0x1c/0x140 [ 96.892091][ T72] addrconf_prefix_route+0x2a6/0x430 [ 96.892091][ T72] inet6_addr_add+0x4f8/0xa40 [ 96.892091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.892091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.892091][ T72] netlink_rcv_skb+0x130/0x360 [ 96.892091][ T72] netlink_unicast+0x449/0x710 [ 96.892091][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.892091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.892091][ T72] ___sys_sendmsg+0xee/0x170 [ 96.892091][ T72] __sys_sendmsg+0xcd/0x170 [ 96.892091][ T72] do_syscall_64+0xc6/0x1e0 [ 96.892091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.892091][ T72] [ 96.894785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 96.894785][ T72] netdev_get_by_index+0x5e/0x80 [ 96.894785][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.894785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.894785][ T72] addrconf_f6i_alloc+0x315/0x560 [ 96.894785][ T72] ipv6_add_addr+0x411/0x2000 [ 96.894785][ T72] inet6_addr_add+0x30e/0xa40 [ 96.894785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.894785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.894785][ T72] netlink_rcv_skb+0x130/0x360 [ 96.894785][ T72] netlink_unicast+0x449/0x710 [ 96.894785][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.894785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.894785][ T72] ___sys_sendmsg+0xee/0x170 [ 96.894785][ T72] __sys_sendmsg+0xcd/0x170 [ 96.894785][ T72] do_syscall_64+0xc6/0x1e0 [ 96.894785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.894785][ T72] [ 96.897209][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 96.897209][ T72] netdev_get_by_index+0x5e/0x80 [ 96.897209][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.897209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.897209][ T72] ip6_route_add+0x1c/0x140 [ 96.897209][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 96.897209][ T72] addrconf_add_dev+0xe2/0x170 [ 96.897209][ T72] inet6_addr_add+0x12f/0xa40 [ 96.897209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.897209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.897209][ T72] netlink_rcv_skb+0x130/0x360 [ 96.897209][ T72] netlink_unicast+0x449/0x710 [ 96.897209][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.897209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.897209][ T72] ___sys_sendmsg+0xee/0x170 [ 96.897209][ T72] __sys_sendmsg+0xcd/0x170 [ 96.897209][ T72] do_syscall_64+0xc6/0x1e0 [ 96.897209][ T72] [ 96.899724][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 96.899724][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 96.899724][ T72] ipv6_find_idev+0x102/0x170 [ 96.899724][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 96.899724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.899724][ T72] netlink_rcv_skb+0x130/0x360 [ 96.899724][ T72] netlink_unicast+0x449/0x710 [ 96.899724][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.899724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.899724][ T72] ___sys_sendmsg+0xee/0x170 [ 96.899724][ T72] __sys_sendmsg+0xcd/0x170 [ 96.899724][ T72] do_syscall_64+0xc6/0x1e0 [ 96.899724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.899724][ T72] [ 96.901619][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 96.901619][ T72] neigh_parms_alloc+0x1e5/0x510 [ 96.901619][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 96.901619][ T72] ipv6_find_idev+0x102/0x170 [ 96.901619][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 96.901619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.901619][ T72] netlink_rcv_skb+0x130/0x360 [ 96.901619][ T72] netlink_unicast+0x449/0x710 [ 96.901619][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.901619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.901619][ T72] ___sys_sendmsg+0xee/0x170 [ 96.901619][ T72] __sys_sendmsg+0xcd/0x170 [ 96.901619][ T72] do_syscall_64+0xc6/0x1e0 [ 96.901619][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.901619][ T72] [ 96.903733][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 96.905035][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 96.905035][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 96.905035][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 96.905035][ T72] fib6_nh_init+0xa22/0x1580 [ 96.905035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.905035][ T72] ip6_route_add+0x1c/0x140 [ 96.905035][ T72] inet6_rtm_newroute+0x104/0x110 [ 96.905035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.905035][ T72] netlink_rcv_skb+0x130/0x360 [ 96.905035][ T72] netlink_unicast+0x449/0x710 [ 96.905035][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.905035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.905035][ T72] ___sys_sendmsg+0xee/0x170 [ 96.905035][ T72] __sys_sendmsg+0xcd/0x170 [ 96.905035][ T72] do_syscall_64+0xc6/0x1e0 [ 96.905035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.905035][ T72] [ 96.907172][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 96.907172][ T72] dst_init+0x84/0x4a0 [ 96.907172][ T72] dst_alloc+0x97/0x150 [ 96.907172][ T72] ip6_dst_alloc+0x23/0x90 [ 96.907172][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 96.907172][ T72] ip6_pol_route+0x56f/0x840 [ 96.907172][ T72] fib6_rule_lookup+0x456/0x630 [ 96.907172][ T72] ip6_route_input+0x59c/0xa50 [ 96.907172][ T72] ipv6_rcv+0x397/0x810 [ 96.907172][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 96.907172][ T72] process_backlog+0x101/0x620 [ 96.907172][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 96.907172][ T72] net_rx_action+0x495/0xbe0 [ 96.907172][ T72] __do_softirq+0x1b5/0x7f6 [ 96.907172][ T72] [ 96.909045][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 96.909045][ T72] netdev_get_by_index+0x5e/0x80 [ 96.909045][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.909045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.909045][ T72] ip6_route_add+0x1c/0x140 [ 96.909045][ T72] addrconf_prefix_route+0x2a6/0x430 [ 96.909045][ T72] inet6_addr_add+0x4f8/0xa40 [ 96.909045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.909045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.909045][ T72] netlink_rcv_skb+0x130/0x360 [ 96.909045][ T72] netlink_unicast+0x449/0x710 [ 96.909045][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.909045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.909045][ T72] ___sys_sendmsg+0xee/0x170 [ 96.909045][ T72] __sys_sendmsg+0xcd/0x170 [ 96.909045][ T72] do_syscall_64+0xc6/0x1e0 [ 96.909045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.909045][ T72] [ 96.911540][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 96.911540][ T72] netdev_get_by_index+0x5e/0x80 [ 96.911540][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.911540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.911540][ T72] addrconf_f6i_alloc+0x315/0x560 [ 96.911540][ T72] ipv6_add_addr+0x411/0x2000 [ 96.911540][ T72] inet6_addr_add+0x30e/0xa40 [ 96.911540][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.911540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.911540][ T72] netlink_rcv_skb+0x130/0x360 [ 96.911540][ T72] netlink_unicast+0x449/0x710 [ 96.911540][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.911540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.911540][ T72] ___sys_sendmsg+0xee/0x170 [ 96.911540][ T72] __sys_sendmsg+0xcd/0x170 [ 96.911540][ T72] do_syscall_64+0xc6/0x1e0 [ 96.911540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.911540][ T72] [ 96.914033][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 96.914033][ T72] netdev_get_by_index+0x5e/0x80 [ 96.914033][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.914033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.914033][ T72] ip6_route_add+0x1c/0x140 [ 96.914033][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 96.914033][ T72] addrconf_add_dev+0xe2/0x170 [ 96.914033][ T72] inet6_addr_add+0x12f/0xa40 [ 96.914033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.914033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.914033][ T72] netlink_rcv_skb+0x130/0x360 [ 96.914033][ T72] netlink_unicast+0x449/0x710 [ 96.914033][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.914033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.914033][ T72] ___sys_sendmsg+0xee/0x170 [ 96.914033][ T72] __sys_sendmsg+0xcd/0x170 [ 96.914033][ T72] do_syscall_64+0xc6/0x1e0 [ 96.914033][ T72] [ 96.916582][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 96.916582][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 96.916582][ T72] ipv6_find_idev+0x102/0x170 [ 96.916582][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 96.916582][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.916582][ T72] netlink_rcv_skb+0x130/0x360 [ 96.916582][ T72] netlink_unicast+0x449/0x710 [ 96.916582][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.916582][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.916582][ T72] ___sys_sendmsg+0xee/0x170 [ 96.916582][ T72] __sys_sendmsg+0xcd/0x170 [ 96.916582][ T72] do_syscall_64+0xc6/0x1e0 [ 96.916582][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.916582][ T72] [ 96.918634][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 96.918634][ T72] neigh_parms_alloc+0x1e5/0x510 [ 96.918634][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 96.918634][ T72] ipv6_find_idev+0x102/0x170 [ 96.918634][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 96.918634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.918634][ T72] netlink_rcv_skb+0x130/0x360 [ 96.918634][ T72] netlink_unicast+0x449/0x710 [ 96.918634][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.918634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.918634][ T72] ___sys_sendmsg+0xee/0x170 [ 96.918634][ T72] __sys_sendmsg+0xcd/0x170 [ 96.918634][ T72] do_syscall_64+0xc6/0x1e0 [ 96.918634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.918634][ T72] [ 96.921013][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 96.921325][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 96.921325][ T72] netdev_get_by_index+0x5e/0x80 [ 96.921325][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.921325][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.921325][ T72] addrconf_f6i_alloc+0x265/0x560 [ 96.921325][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 96.921325][ T72] addrconf_join_anycast+0x1c0/0x220 [ 96.921325][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 96.921325][ T72] addrconf_dad_completed+0x12b/0xe20 [ 96.921325][ T72] addrconf_dad_begin+0x310/0x670 [ 96.921325][ T72] addrconf_dad_work+0x10b/0xab0 [ 96.921325][ T72] process_one_work+0x84d/0x18a0 [ 96.921325][ T72] worker_thread+0x587/0xd30 [ 96.921325][ T72] kthread+0x28a/0x350 [ 96.921325][ T72] ret_from_fork+0x31/0x70 [ 96.921325][ T72] ret_from_fork_asm+0x1a/0x30 [ 96.921325][ T72] [ 96.923392][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 96.923392][ T72] netdev_get_by_index+0x5e/0x80 [ 96.923392][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.923392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.923392][ T72] ip6_route_add+0x1c/0x140 [ 96.923392][ T72] addrconf_prefix_route+0x2a6/0x430 [ 96.923392][ T72] inet6_addr_add+0x4f8/0xa40 [ 96.923392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.923392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.923392][ T72] netlink_rcv_skb+0x130/0x360 [ 96.923392][ T72] netlink_unicast+0x449/0x710 [ 96.923392][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.923392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.923392][ T72] ___sys_sendmsg+0xee/0x170 [ 96.923392][ T72] __sys_sendmsg+0xcd/0x170 [ 96.923392][ T72] do_syscall_64+0xc6/0x1e0 [ 96.923392][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.923392][ T72] [ 96.925554][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 96.925554][ T72] netdev_get_by_index+0x5e/0x80 [ 96.925554][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.925554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.925554][ T72] addrconf_f6i_alloc+0x315/0x560 [ 96.925554][ T72] ipv6_add_addr+0x411/0x2000 [ 96.925554][ T72] inet6_addr_add+0x30e/0xa40 [ 96.925554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.925554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.925554][ T72] netlink_rcv_skb+0x130/0x360 [ 96.925554][ T72] netlink_unicast+0x449/0x710 [ 96.925554][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.925554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.925554][ T72] ___sys_sendmsg+0xee/0x170 [ 96.925554][ T72] __sys_sendmsg+0xcd/0x170 [ 96.925554][ T72] do_syscall_64+0xc6/0x1e0 [ 96.925554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.925554][ T72] [ 96.927667][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 96.927667][ T72] netdev_get_by_index+0x5e/0x80 [ 96.927667][ T72] fib6_nh_init+0x3d8/0x1580 [ 96.927667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 96.927667][ T72] ip6_route_add+0x1c/0x140 [ 96.927667][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 96.927667][ T72] addrconf_add_dev+0xe2/0x170 [ 96.927667][ T72] inet6_addr_add+0x12f/0xa40 [ 96.927667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 96.927667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.927667][ T72] netlink_rcv_skb+0x130/0x360 [ 96.927667][ T72] netlink_unicast+0x449/0x710 [ 96.927667][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.927667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.927667][ T72] ___sys_sendmsg+0xee/0x170 [ 96.927667][ T72] __sys_sendmsg+0xcd/0x170 [ 96.927667][ T72] do_syscall_64+0xc6/0x1e0 [ 96.927667][ T72] [ 96.929706][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 96.929706][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 96.929706][ T72] ipv6_find_idev+0x102/0x170 [ 96.929706][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 96.929706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.929706][ T72] netlink_rcv_skb+0x130/0x360 [ 96.929706][ T72] netlink_unicast+0x449/0x710 [ 96.929706][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.929706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.929706][ T72] ___sys_sendmsg+0xee/0x170 [ 96.929706][ T72] __sys_sendmsg+0xcd/0x170 [ 96.929706][ T72] do_syscall_64+0xc6/0x1e0 [ 96.929706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.929706][ T72] [ 96.931294][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 96.931294][ T72] neigh_parms_alloc+0x1e5/0x510 [ 96.931294][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 96.931294][ T72] ipv6_find_idev+0x102/0x170 [ 96.931294][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 96.931294][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 96.931294][ T72] netlink_rcv_skb+0x130/0x360 [ 96.931294][ T72] netlink_unicast+0x449/0x710 [ 96.931294][ T72] netlink_sendmsg+0x723/0xbe0 [ 96.931294][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 96.931294][ T72] ___sys_sendmsg+0xee/0x170 [ 96.931294][ T72] __sys_sendmsg+0xcd/0x170 [ 96.931294][ T72] do_syscall_64+0xc6/0x1e0 [ 96.931294][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 96.931294][ T72] [ 107.056914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 107.057323][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 107.057323][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 107.057323][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 107.057323][ T72] fib6_nh_init+0xa22/0x1580 [ 107.057323][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.057323][ T72] ip6_route_add+0x1c/0x140 [ 107.057323][ T72] inet6_rtm_newroute+0x104/0x110 [ 107.057323][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.057323][ T72] netlink_rcv_skb+0x130/0x360 [ 107.057323][ T72] netlink_unicast+0x449/0x710 [ 107.057323][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.057323][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.057323][ T72] ___sys_sendmsg+0xee/0x170 [ 107.057323][ T72] __sys_sendmsg+0xcd/0x170 [ 107.057323][ T72] do_syscall_64+0xc6/0x1e0 [ 107.057323][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.057323][ T72] [ 107.059507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 107.059507][ T72] dst_init+0x84/0x4a0 [ 107.059507][ T72] dst_alloc+0x97/0x150 [ 107.059507][ T72] ip6_dst_alloc+0x23/0x90 [ 107.059507][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 107.059507][ T72] ip6_pol_route+0x56f/0x840 [ 107.059507][ T72] fib6_rule_lookup+0x456/0x630 [ 107.059507][ T72] ip6_route_input+0x59c/0xa50 [ 107.059507][ T72] ipv6_rcv+0x397/0x810 [ 107.059507][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 107.059507][ T72] process_backlog+0x101/0x620 [ 107.059507][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 107.059507][ T72] net_rx_action+0x495/0xbe0 [ 107.059507][ T72] __do_softirq+0x1b5/0x7f6 [ 107.059507][ T72] [ 107.061410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 107.061410][ T72] netdev_get_by_index+0x5e/0x80 [ 107.061410][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.061410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.061410][ T72] ip6_route_add+0x1c/0x140 [ 107.061410][ T72] addrconf_prefix_route+0x2a6/0x430 [ 107.061410][ T72] inet6_addr_add+0x4f8/0xa40 [ 107.061410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.061410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.061410][ T72] netlink_rcv_skb+0x130/0x360 [ 107.061410][ T72] netlink_unicast+0x449/0x710 [ 107.061410][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.061410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.061410][ T72] ___sys_sendmsg+0xee/0x170 [ 107.061410][ T72] __sys_sendmsg+0xcd/0x170 [ 107.061410][ T72] do_syscall_64+0xc6/0x1e0 [ 107.061410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.061410][ T72] [ 107.063694][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 107.063694][ T72] netdev_get_by_index+0x5e/0x80 [ 107.063694][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.063694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.063694][ T72] addrconf_f6i_alloc+0x315/0x560 [ 107.063694][ T72] ipv6_add_addr+0x411/0x2000 [ 107.063694][ T72] inet6_addr_add+0x30e/0xa40 [ 107.063694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.063694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.063694][ T72] netlink_rcv_skb+0x130/0x360 [ 107.063694][ T72] netlink_unicast+0x449/0x710 [ 107.063694][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.063694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.063694][ T72] ___sys_sendmsg+0xee/0x170 [ 107.063694][ T72] __sys_sendmsg+0xcd/0x170 [ 107.063694][ T72] do_syscall_64+0xc6/0x1e0 [ 107.063694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.063694][ T72] [ 107.065988][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 107.065988][ T72] netdev_get_by_index+0x5e/0x80 [ 107.065988][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.065988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.065988][ T72] ip6_route_add+0x1c/0x140 [ 107.065988][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 107.065988][ T72] addrconf_add_dev+0xe2/0x170 [ 107.065988][ T72] inet6_addr_add+0x12f/0xa40 [ 107.065988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.065988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.065988][ T72] netlink_rcv_skb+0x130/0x360 [ 107.065988][ T72] netlink_unicast+0x449/0x710 [ 107.065988][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.065988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.065988][ T72] ___sys_sendmsg+0xee/0x170 [ 107.065988][ T72] __sys_sendmsg+0xcd/0x170 [ 107.065988][ T72] do_syscall_64+0xc6/0x1e0 [ 107.065988][ T72] [ 107.068251][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 107.068251][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 107.068251][ T72] ipv6_find_idev+0x102/0x170 [ 107.068251][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.068251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.068251][ T72] netlink_rcv_skb+0x130/0x360 [ 107.068251][ T72] netlink_unicast+0x449/0x710 [ 107.068251][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.068251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.068251][ T72] ___sys_sendmsg+0xee/0x170 [ 107.068251][ T72] __sys_sendmsg+0xcd/0x170 [ 107.068251][ T72] do_syscall_64+0xc6/0x1e0 [ 107.068251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.068251][ T72] [ 107.070229][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 107.070229][ T72] neigh_parms_alloc+0x1e5/0x510 [ 107.070229][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 107.070229][ T72] ipv6_find_idev+0x102/0x170 [ 107.070229][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.070229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.070229][ T72] netlink_rcv_skb+0x130/0x360 [ 107.070229][ T72] netlink_unicast+0x449/0x710 [ 107.070229][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.070229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.070229][ T72] ___sys_sendmsg+0xee/0x170 [ 107.070229][ T72] __sys_sendmsg+0xcd/0x170 [ 107.070229][ T72] do_syscall_64+0xc6/0x1e0 [ 107.070229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.070229][ T72] [ 107.072350][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 107.072663][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 107.072663][ T72] dst_init+0x84/0x4a0 [ 107.072663][ T72] dst_alloc+0x97/0x150 [ 107.072663][ T72] ip6_dst_alloc+0x23/0x90 [ 107.072663][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 107.072663][ T72] ip6_pol_route+0x56f/0x840 [ 107.072663][ T72] fib6_rule_lookup+0x456/0x630 [ 107.072663][ T72] ip6_route_input+0x59c/0xa50 [ 107.072663][ T72] ipv6_rcv+0x397/0x810 [ 107.072663][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 107.072663][ T72] process_backlog+0x101/0x620 [ 107.072663][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 107.072663][ T72] net_rx_action+0x495/0xbe0 [ 107.072663][ T72] __do_softirq+0x1b5/0x7f6 [ 107.072663][ T72] [ 107.074700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 107.074700][ T72] netdev_get_by_index+0x5e/0x80 [ 107.074700][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.074700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.074700][ T72] addrconf_f6i_alloc+0x265/0x560 [ 107.074700][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 107.074700][ T72] addrconf_join_anycast+0x1c0/0x220 [ 107.074700][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 107.074700][ T72] addrconf_dad_completed+0x12b/0xe20 [ 107.074700][ T72] addrconf_dad_begin+0x310/0x670 [ 107.074700][ T72] addrconf_dad_work+0x10b/0xab0 [ 107.074700][ T72] process_one_work+0x84d/0x18a0 [ 107.074700][ T72] worker_thread+0x587/0xd30 [ 107.074700][ T72] kthread+0x28a/0x350 [ 107.074700][ T72] ret_from_fork+0x31/0x70 [ 107.074700][ T72] ret_from_fork_asm+0x1a/0x30 [ 107.074700][ T72] [ 107.077021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 107.077021][ T72] netdev_get_by_index+0x5e/0x80 [ 107.077021][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.077021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.077021][ T72] ip6_route_add+0x1c/0x140 [ 107.077021][ T72] addrconf_prefix_route+0x2a6/0x430 [ 107.077021][ T72] inet6_addr_add+0x4f8/0xa40 [ 107.077021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.077021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.077021][ T72] netlink_rcv_skb+0x130/0x360 [ 107.077021][ T72] netlink_unicast+0x449/0x710 [ 107.077021][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.077021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.077021][ T72] ___sys_sendmsg+0xee/0x170 [ 107.077021][ T72] __sys_sendmsg+0xcd/0x170 [ 107.077021][ T72] do_syscall_64+0xc6/0x1e0 [ 107.077021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.077021][ T72] [ 107.079642][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 107.079642][ T72] netdev_get_by_index+0x5e/0x80 [ 107.079642][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.079642][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.079642][ T72] addrconf_f6i_alloc+0x315/0x560 [ 107.079642][ T72] ipv6_add_addr+0x411/0x2000 [ 107.079642][ T72] inet6_addr_add+0x30e/0xa40 [ 107.079642][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.079642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.079642][ T72] netlink_rcv_skb+0x130/0x360 [ 107.079642][ T72] netlink_unicast+0x449/0x710 [ 107.079642][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.079642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.079642][ T72] ___sys_sendmsg+0xee/0x170 [ 107.079642][ T72] __sys_sendmsg+0xcd/0x170 [ 107.079642][ T72] do_syscall_64+0xc6/0x1e0 [ 107.079642][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.079642][ T72] [ 107.082248][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 107.082248][ T72] netdev_get_by_index+0x5e/0x80 [ 107.082248][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.082248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.082248][ T72] ip6_route_add+0x1c/0x140 [ 107.082248][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 107.082248][ T72] addrconf_add_dev+0xe2/0x170 [ 107.082248][ T72] inet6_addr_add+0x12f/0xa40 [ 107.082248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.082248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.082248][ T72] netlink_rcv_skb+0x130/0x360 [ 107.082248][ T72] netlink_unicast+0x449/0x710 [ 107.082248][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.082248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.082248][ T72] ___sys_sendmsg+0xee/0x170 [ 107.082248][ T72] __sys_sendmsg+0xcd/0x170 [ 107.082248][ T72] do_syscall_64+0xc6/0x1e0 [ 107.082248][ T72] [ 107.084874][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 107.084874][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 107.084874][ T72] ipv6_find_idev+0x102/0x170 [ 107.084874][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.084874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.084874][ T72] netlink_rcv_skb+0x130/0x360 [ 107.084874][ T72] netlink_unicast+0x449/0x710 [ 107.084874][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.084874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.084874][ T72] ___sys_sendmsg+0xee/0x170 [ 107.084874][ T72] __sys_sendmsg+0xcd/0x170 [ 107.084874][ T72] do_syscall_64+0xc6/0x1e0 [ 107.084874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.084874][ T72] [ 107.086890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 107.086890][ T72] neigh_parms_alloc+0x1e5/0x510 [ 107.086890][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 107.086890][ T72] ipv6_find_idev+0x102/0x170 [ 107.086890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.086890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.086890][ T72] netlink_rcv_skb+0x130/0x360 [ 107.086890][ T72] netlink_unicast+0x449/0x710 [ 107.086890][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.086890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.086890][ T72] ___sys_sendmsg+0xee/0x170 [ 107.086890][ T72] __sys_sendmsg+0xcd/0x170 [ 107.086890][ T72] do_syscall_64+0xc6/0x1e0 [ 107.086890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.086890][ T72] [ 107.089060][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 107.089443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 107.089443][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 107.089443][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 107.089443][ T72] fib6_nh_init+0xa22/0x1580 [ 107.089443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.089443][ T72] ip6_route_add+0x1c/0x140 [ 107.089443][ T72] inet6_rtm_newroute+0x104/0x110 [ 107.089443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.089443][ T72] netlink_rcv_skb+0x130/0x360 [ 107.089443][ T72] netlink_unicast+0x449/0x710 [ 107.089443][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.089443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.089443][ T72] ___sys_sendmsg+0xee/0x170 [ 107.089443][ T72] __sys_sendmsg+0xcd/0x170 [ 107.089443][ T72] do_syscall_64+0xc6/0x1e0 [ 107.089443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.089443][ T72] [ 107.091934][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 107.091934][ T72] dst_init+0x84/0x4a0 [ 107.091934][ T72] dst_alloc+0x97/0x150 [ 107.091934][ T72] ip6_dst_alloc+0x23/0x90 [ 107.091934][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 107.091934][ T72] ip6_pol_route+0x56f/0x840 [ 107.091934][ T72] fib6_rule_lookup+0x456/0x630 [ 107.091934][ T72] ip6_route_input+0x59c/0xa50 [ 107.091934][ T72] ipv6_rcv+0x397/0x810 [ 107.091934][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 107.091934][ T72] process_backlog+0x101/0x620 [ 107.091934][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 107.091934][ T72] net_rx_action+0x495/0xbe0 [ 107.091934][ T72] __do_softirq+0x1b5/0x7f6 [ 107.091934][ T72] [ 107.094042][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 107.094042][ T72] netdev_get_by_index+0x5e/0x80 [ 107.094042][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.094042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.094042][ T72] ip6_route_add+0x1c/0x140 [ 107.094042][ T72] addrconf_prefix_route+0x2a6/0x430 [ 107.094042][ T72] inet6_addr_add+0x4f8/0xa40 [ 107.094042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.094042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.094042][ T72] netlink_rcv_skb+0x130/0x360 [ 107.094042][ T72] netlink_unicast+0x449/0x710 [ 107.094042][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.094042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.094042][ T72] ___sys_sendmsg+0xee/0x170 [ 107.094042][ T72] __sys_sendmsg+0xcd/0x170 [ 107.094042][ T72] do_syscall_64+0xc6/0x1e0 [ 107.094042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.094042][ T72] [ 107.096405][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 107.096405][ T72] netdev_get_by_index+0x5e/0x80 [ 107.096405][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.096405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.096405][ T72] addrconf_f6i_alloc+0x315/0x560 [ 107.096405][ T72] ipv6_add_addr+0x411/0x2000 [ 107.096405][ T72] inet6_addr_add+0x30e/0xa40 [ 107.096405][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.096405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.096405][ T72] netlink_rcv_skb+0x130/0x360 [ 107.096405][ T72] netlink_unicast+0x449/0x710 [ 107.096405][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.096405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.096405][ T72] ___sys_sendmsg+0xee/0x170 [ 107.096405][ T72] __sys_sendmsg+0xcd/0x170 [ 107.096405][ T72] do_syscall_64+0xc6/0x1e0 [ 107.096405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.096405][ T72] [ 107.098890][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 107.098890][ T72] netdev_get_by_index+0x5e/0x80 [ 107.098890][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.098890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.098890][ T72] ip6_route_add+0x1c/0x140 [ 107.098890][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 107.098890][ T72] addrconf_add_dev+0xe2/0x170 [ 107.098890][ T72] inet6_addr_add+0x12f/0xa40 [ 107.098890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.098890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.098890][ T72] netlink_rcv_skb+0x130/0x360 [ 107.098890][ T72] netlink_unicast+0x449/0x710 [ 107.098890][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.098890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.098890][ T72] ___sys_sendmsg+0xee/0x170 [ 107.098890][ T72] __sys_sendmsg+0xcd/0x170 [ 107.098890][ T72] do_syscall_64+0xc6/0x1e0 [ 107.098890][ T72] [ 107.101497][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 107.101497][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 107.101497][ T72] ipv6_find_idev+0x102/0x170 [ 107.101497][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.101497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.101497][ T72] netlink_rcv_skb+0x130/0x360 [ 107.101497][ T72] netlink_unicast+0x449/0x710 [ 107.101497][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.101497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.101497][ T72] ___sys_sendmsg+0xee/0x170 [ 107.101497][ T72] __sys_sendmsg+0xcd/0x170 [ 107.101497][ T72] do_syscall_64+0xc6/0x1e0 [ 107.101497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.101497][ T72] [ 107.103500][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 107.103500][ T72] neigh_parms_alloc+0x1e5/0x510 [ 107.103500][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 107.103500][ T72] ipv6_find_idev+0x102/0x170 [ 107.103500][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.103500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.103500][ T72] netlink_rcv_skb+0x130/0x360 [ 107.103500][ T72] netlink_unicast+0x449/0x710 [ 107.103500][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.103500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.103500][ T72] ___sys_sendmsg+0xee/0x170 [ 107.103500][ T72] __sys_sendmsg+0xcd/0x170 [ 107.103500][ T72] do_syscall_64+0xc6/0x1e0 [ 107.103500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.103500][ T72] [ 107.105658][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 107.106036][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 107.106036][ T72] netdev_get_by_index+0x5e/0x80 [ 107.106036][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.106036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.106036][ T72] addrconf_f6i_alloc+0x265/0x560 [ 107.106036][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 107.106036][ T72] addrconf_join_anycast+0x1c0/0x220 [ 107.106036][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 107.106036][ T72] addrconf_dad_completed+0x12b/0xe20 [ 107.106036][ T72] addrconf_dad_begin+0x310/0x670 [ 107.106036][ T72] addrconf_dad_work+0x10b/0xab0 [ 107.106036][ T72] process_one_work+0x84d/0x18a0 [ 107.106036][ T72] worker_thread+0x587/0xd30 [ 107.106036][ T72] kthread+0x28a/0x350 [ 107.106036][ T72] ret_from_fork+0x31/0x70 [ 107.106036][ T72] ret_from_fork_asm+0x1a/0x30 [ 107.106036][ T72] [ 107.108334][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 107.108334][ T72] netdev_get_by_index+0x5e/0x80 [ 107.108334][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.108334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.108334][ T72] ip6_route_add+0x1c/0x140 [ 107.108334][ T72] addrconf_prefix_route+0x2a6/0x430 [ 107.108334][ T72] inet6_addr_add+0x4f8/0xa40 [ 107.108334][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.108334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.108334][ T72] netlink_rcv_skb+0x130/0x360 [ 107.108334][ T72] netlink_unicast+0x449/0x710 [ 107.108334][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.108334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.108334][ T72] ___sys_sendmsg+0xee/0x170 [ 107.108334][ T72] __sys_sendmsg+0xcd/0x170 [ 107.108334][ T72] do_syscall_64+0xc6/0x1e0 [ 107.108334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.108334][ T72] [ 107.111373][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 107.111373][ T72] netdev_get_by_index+0x5e/0x80 [ 107.111373][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.111373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.111373][ T72] addrconf_f6i_alloc+0x315/0x560 [ 107.111373][ T72] ipv6_add_addr+0x411/0x2000 [ 107.111373][ T72] inet6_addr_add+0x30e/0xa40 [ 107.111373][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.111373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.111373][ T72] netlink_rcv_skb+0x130/0x360 [ 107.111373][ T72] netlink_unicast+0x449/0x710 [ 107.111373][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.111373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.111373][ T72] ___sys_sendmsg+0xee/0x170 [ 107.111373][ T72] __sys_sendmsg+0xcd/0x170 [ 107.111373][ T72] do_syscall_64+0xc6/0x1e0 [ 107.111373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.111373][ T72] [ 107.113837][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 107.113837][ T72] netdev_get_by_index+0x5e/0x80 [ 107.113837][ T72] fib6_nh_init+0x3d8/0x1580 [ 107.113837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 107.113837][ T72] ip6_route_add+0x1c/0x140 [ 107.113837][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 107.113837][ T72] addrconf_add_dev+0xe2/0x170 [ 107.113837][ T72] inet6_addr_add+0x12f/0xa40 [ 107.113837][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 107.113837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.113837][ T72] netlink_rcv_skb+0x130/0x360 [ 107.113837][ T72] netlink_unicast+0x449/0x710 [ 107.113837][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.113837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.113837][ T72] ___sys_sendmsg+0xee/0x170 [ 107.113837][ T72] __sys_sendmsg+0xcd/0x170 [ 107.113837][ T72] do_syscall_64+0xc6/0x1e0 [ 107.113837][ T72] [ 107.116385][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 107.116385][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 107.116385][ T72] ipv6_find_idev+0x102/0x170 [ 107.116385][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.116385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.116385][ T72] netlink_rcv_skb+0x130/0x360 [ 107.116385][ T72] netlink_unicast+0x449/0x710 [ 107.116385][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.116385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.116385][ T72] ___sys_sendmsg+0xee/0x170 [ 107.116385][ T72] __sys_sendmsg+0xcd/0x170 [ 107.116385][ T72] do_syscall_64+0xc6/0x1e0 [ 107.116385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.116385][ T72] [ 107.118448][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 107.118448][ T72] neigh_parms_alloc+0x1e5/0x510 [ 107.118448][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 107.118448][ T72] ipv6_find_idev+0x102/0x170 [ 107.118448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.118448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.118448][ T72] netlink_rcv_skb+0x130/0x360 [ 107.118448][ T72] netlink_unicast+0x449/0x710 [ 107.118448][ T72] netlink_sendmsg+0x723/0xbe0 [ 107.118448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 107.118448][ T72] ___sys_sendmsg+0xee/0x170 [ 107.118448][ T72] __sys_sendmsg+0xcd/0x170 [ 107.118448][ T72] do_syscall_64+0xc6/0x1e0 [ 107.118448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.118448][ T72] [ 117.248853][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 117.249260][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 117.249260][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 117.249260][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 117.249260][ T72] fib6_nh_init+0xa22/0x1580 [ 117.249260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.249260][ T72] ip6_route_add+0x1c/0x140 [ 117.249260][ T72] inet6_rtm_newroute+0x104/0x110 [ 117.249260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.249260][ T72] netlink_rcv_skb+0x130/0x360 [ 117.249260][ T72] netlink_unicast+0x449/0x710 [ 117.249260][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.249260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.249260][ T72] ___sys_sendmsg+0xee/0x170 [ 117.249260][ T72] __sys_sendmsg+0xcd/0x170 [ 117.249260][ T72] do_syscall_64+0xc6/0x1e0 [ 117.249260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.249260][ T72] [ 117.251534][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 117.251534][ T72] dst_init+0x84/0x4a0 [ 117.251534][ T72] dst_alloc+0x97/0x150 [ 117.251534][ T72] ip6_dst_alloc+0x23/0x90 [ 117.251534][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 117.251534][ T72] ip6_pol_route+0x56f/0x840 [ 117.251534][ T72] fib6_rule_lookup+0x456/0x630 [ 117.251534][ T72] ip6_route_input+0x59c/0xa50 [ 117.251534][ T72] ipv6_rcv+0x397/0x810 [ 117.251534][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 117.251534][ T72] process_backlog+0x101/0x620 [ 117.251534][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 117.251534][ T72] net_rx_action+0x495/0xbe0 [ 117.251534][ T72] __do_softirq+0x1b5/0x7f6 [ 117.251534][ T72] [ 117.253450][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 117.253450][ T72] netdev_get_by_index+0x5e/0x80 [ 117.253450][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.253450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.253450][ T72] ip6_route_add+0x1c/0x140 [ 117.253450][ T72] addrconf_prefix_route+0x2a6/0x430 [ 117.253450][ T72] inet6_addr_add+0x4f8/0xa40 [ 117.253450][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.253450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.253450][ T72] netlink_rcv_skb+0x130/0x360 [ 117.253450][ T72] netlink_unicast+0x449/0x710 [ 117.253450][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.253450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.253450][ T72] ___sys_sendmsg+0xee/0x170 [ 117.253450][ T72] __sys_sendmsg+0xcd/0x170 [ 117.253450][ T72] do_syscall_64+0xc6/0x1e0 [ 117.253450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.253450][ T72] [ 117.255851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 117.255851][ T72] netdev_get_by_index+0x5e/0x80 [ 117.255851][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.255851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.255851][ T72] addrconf_f6i_alloc+0x315/0x560 [ 117.255851][ T72] ipv6_add_addr+0x411/0x2000 [ 117.255851][ T72] inet6_addr_add+0x30e/0xa40 [ 117.255851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.255851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.255851][ T72] netlink_rcv_skb+0x130/0x360 [ 117.255851][ T72] netlink_unicast+0x449/0x710 [ 117.255851][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.255851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.255851][ T72] ___sys_sendmsg+0xee/0x170 [ 117.255851][ T72] __sys_sendmsg+0xcd/0x170 [ 117.255851][ T72] do_syscall_64+0xc6/0x1e0 [ 117.255851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.255851][ T72] [ 117.258278][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 117.258278][ T72] netdev_get_by_index+0x5e/0x80 [ 117.258278][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.258278][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.258278][ T72] ip6_route_add+0x1c/0x140 [ 117.258278][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 117.258278][ T72] addrconf_add_dev+0xe2/0x170 [ 117.258278][ T72] inet6_addr_add+0x12f/0xa40 [ 117.258278][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.258278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.258278][ T72] netlink_rcv_skb+0x130/0x360 [ 117.258278][ T72] netlink_unicast+0x449/0x710 [ 117.258278][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.258278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.258278][ T72] ___sys_sendmsg+0xee/0x170 [ 117.258278][ T72] __sys_sendmsg+0xcd/0x170 [ 117.258278][ T72] do_syscall_64+0xc6/0x1e0 [ 117.258278][ T72] [ 117.260632][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 117.260632][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 117.260632][ T72] ipv6_find_idev+0x102/0x170 [ 117.260632][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.260632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.260632][ T72] netlink_rcv_skb+0x130/0x360 [ 117.260632][ T72] netlink_unicast+0x449/0x710 [ 117.260632][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.260632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.260632][ T72] ___sys_sendmsg+0xee/0x170 [ 117.260632][ T72] __sys_sendmsg+0xcd/0x170 [ 117.260632][ T72] do_syscall_64+0xc6/0x1e0 [ 117.260632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.260632][ T72] [ 117.262456][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 117.262456][ T72] neigh_parms_alloc+0x1e5/0x510 [ 117.262456][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 117.262456][ T72] ipv6_find_idev+0x102/0x170 [ 117.262456][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.262456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.262456][ T72] netlink_rcv_skb+0x130/0x360 [ 117.262456][ T72] netlink_unicast+0x449/0x710 [ 117.262456][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.262456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.262456][ T72] ___sys_sendmsg+0xee/0x170 [ 117.262456][ T72] __sys_sendmsg+0xcd/0x170 [ 117.262456][ T72] do_syscall_64+0xc6/0x1e0 [ 117.262456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.262456][ T72] [ 117.264466][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 117.264795][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 117.264795][ T72] dst_init+0x84/0x4a0 [ 117.264795][ T72] dst_alloc+0x97/0x150 [ 117.264795][ T72] ip6_dst_alloc+0x23/0x90 [ 117.264795][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 117.264795][ T72] ip6_pol_route+0x56f/0x840 [ 117.264795][ T72] fib6_rule_lookup+0x456/0x630 [ 117.264795][ T72] ip6_route_input+0x59c/0xa50 [ 117.264795][ T72] ipv6_rcv+0x397/0x810 [ 117.264795][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 117.264795][ T72] process_backlog+0x101/0x620 [ 117.264795][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 117.264795][ T72] net_rx_action+0x495/0xbe0 [ 117.264795][ T72] __do_softirq+0x1b5/0x7f6 [ 117.264795][ T72] [ 117.266758][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 117.266758][ T72] netdev_get_by_index+0x5e/0x80 [ 117.266758][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.266758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.266758][ T72] addrconf_f6i_alloc+0x265/0x560 [ 117.266758][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 117.266758][ T72] addrconf_join_anycast+0x1c0/0x220 [ 117.266758][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 117.266758][ T72] addrconf_dad_completed+0x12b/0xe20 [ 117.266758][ T72] addrconf_dad_begin+0x310/0x670 [ 117.266758][ T72] addrconf_dad_work+0x10b/0xab0 [ 117.266758][ T72] process_one_work+0x84d/0x18a0 [ 117.266758][ T72] worker_thread+0x587/0xd30 [ 117.266758][ T72] kthread+0x28a/0x350 [ 117.266758][ T72] ret_from_fork+0x31/0x70 [ 117.266758][ T72] ret_from_fork_asm+0x1a/0x30 [ 117.266758][ T72] [ 117.269306][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 117.269306][ T72] netdev_get_by_index+0x5e/0x80 [ 117.269306][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.269306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.269306][ T72] ip6_route_add+0x1c/0x140 [ 117.269306][ T72] addrconf_prefix_route+0x2a6/0x430 [ 117.269306][ T72] inet6_addr_add+0x4f8/0xa40 [ 117.269306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.269306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.269306][ T72] netlink_rcv_skb+0x130/0x360 [ 117.269306][ T72] netlink_unicast+0x449/0x710 [ 117.269306][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.269306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.269306][ T72] ___sys_sendmsg+0xee/0x170 [ 117.269306][ T72] __sys_sendmsg+0xcd/0x170 [ 117.269306][ T72] do_syscall_64+0xc6/0x1e0 [ 117.269306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.269306][ T72] [ 117.272020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 117.272020][ T72] netdev_get_by_index+0x5e/0x80 [ 117.272020][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.272020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.272020][ T72] addrconf_f6i_alloc+0x315/0x560 [ 117.272020][ T72] ipv6_add_addr+0x411/0x2000 [ 117.272020][ T72] inet6_addr_add+0x30e/0xa40 [ 117.272020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.272020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.272020][ T72] netlink_rcv_skb+0x130/0x360 [ 117.272020][ T72] netlink_unicast+0x449/0x710 [ 117.272020][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.272020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.272020][ T72] ___sys_sendmsg+0xee/0x170 [ 117.272020][ T72] __sys_sendmsg+0xcd/0x170 [ 117.272020][ T72] do_syscall_64+0xc6/0x1e0 [ 117.272020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.272020][ T72] [ 117.274639][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 117.274639][ T72] netdev_get_by_index+0x5e/0x80 [ 117.274639][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.274639][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.274639][ T72] ip6_route_add+0x1c/0x140 [ 117.274639][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 117.274639][ T72] addrconf_add_dev+0xe2/0x170 [ 117.274639][ T72] inet6_addr_add+0x12f/0xa40 [ 117.274639][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.274639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.274639][ T72] netlink_rcv_skb+0x130/0x360 [ 117.274639][ T72] netlink_unicast+0x449/0x710 [ 117.274639][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.274639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.274639][ T72] ___sys_sendmsg+0xee/0x170 [ 117.274639][ T72] __sys_sendmsg+0xcd/0x170 [ 117.274639][ T72] do_syscall_64+0xc6/0x1e0 [ 117.274639][ T72] [ 117.277306][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 117.277306][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 117.277306][ T72] ipv6_find_idev+0x102/0x170 [ 117.277306][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.277306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.277306][ T72] netlink_rcv_skb+0x130/0x360 [ 117.277306][ T72] netlink_unicast+0x449/0x710 [ 117.277306][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.277306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.277306][ T72] ___sys_sendmsg+0xee/0x170 [ 117.277306][ T72] __sys_sendmsg+0xcd/0x170 [ 117.277306][ T72] do_syscall_64+0xc6/0x1e0 [ 117.277306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.277306][ T72] [ 117.279318][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 117.279318][ T72] neigh_parms_alloc+0x1e5/0x510 [ 117.279318][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 117.279318][ T72] ipv6_find_idev+0x102/0x170 [ 117.279318][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.279318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.279318][ T72] netlink_rcv_skb+0x130/0x360 [ 117.279318][ T72] netlink_unicast+0x449/0x710 [ 117.279318][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.279318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.279318][ T72] ___sys_sendmsg+0xee/0x170 [ 117.279318][ T72] __sys_sendmsg+0xcd/0x170 [ 117.279318][ T72] do_syscall_64+0xc6/0x1e0 [ 117.279318][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.279318][ T72] [ 117.281619][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 117.281940][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 117.281940][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 117.281940][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 117.281940][ T72] fib6_nh_init+0xa22/0x1580 [ 117.281940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.281940][ T72] ip6_route_add+0x1c/0x140 [ 117.281940][ T72] inet6_rtm_newroute+0x104/0x110 [ 117.281940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.281940][ T72] netlink_rcv_skb+0x130/0x360 [ 117.281940][ T72] netlink_unicast+0x449/0x710 [ 117.281940][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.281940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.281940][ T72] ___sys_sendmsg+0xee/0x170 [ 117.281940][ T72] __sys_sendmsg+0xcd/0x170 [ 117.281940][ T72] do_syscall_64+0xc6/0x1e0 [ 117.281940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.281940][ T72] [ 117.284465][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 117.284465][ T72] dst_init+0x84/0x4a0 [ 117.284465][ T72] dst_alloc+0x97/0x150 [ 117.284465][ T72] ip6_dst_alloc+0x23/0x90 [ 117.284465][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 117.284465][ T72] ip6_pol_route+0x56f/0x840 [ 117.284465][ T72] fib6_rule_lookup+0x456/0x630 [ 117.284465][ T72] ip6_route_input+0x59c/0xa50 [ 117.284465][ T72] ipv6_rcv+0x397/0x810 [ 117.284465][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 117.284465][ T72] process_backlog+0x101/0x620 [ 117.284465][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 117.284465][ T72] net_rx_action+0x495/0xbe0 [ 117.284465][ T72] __do_softirq+0x1b5/0x7f6 [ 117.284465][ T72] [ 117.286756][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 117.286756][ T72] netdev_get_by_index+0x5e/0x80 [ 117.286756][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.286756][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.286756][ T72] ip6_route_add+0x1c/0x140 [ 117.286756][ T72] addrconf_prefix_route+0x2a6/0x430 [ 117.286756][ T72] inet6_addr_add+0x4f8/0xa40 [ 117.286756][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.286756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.286756][ T72] netlink_rcv_skb+0x130/0x360 [ 117.286756][ T72] netlink_unicast+0x449/0x710 [ 117.286756][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.286756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.286756][ T72] ___sys_sendmsg+0xee/0x170 [ 117.286756][ T72] __sys_sendmsg+0xcd/0x170 [ 117.286756][ T72] do_syscall_64+0xc6/0x1e0 [ 117.286756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.286756][ T72] [ 117.289322][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 117.289322][ T72] netdev_get_by_index+0x5e/0x80 [ 117.289322][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.289322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.289322][ T72] addrconf_f6i_alloc+0x315/0x560 [ 117.289322][ T72] ipv6_add_addr+0x411/0x2000 [ 117.289322][ T72] inet6_addr_add+0x30e/0xa40 [ 117.289322][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.289322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.289322][ T72] netlink_rcv_skb+0x130/0x360 [ 117.289322][ T72] netlink_unicast+0x449/0x710 [ 117.289322][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.289322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.289322][ T72] ___sys_sendmsg+0xee/0x170 [ 117.289322][ T72] __sys_sendmsg+0xcd/0x170 [ 117.289322][ T72] do_syscall_64+0xc6/0x1e0 [ 117.289322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.289322][ T72] [ 117.292017][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 117.292017][ T72] netdev_get_by_index+0x5e/0x80 [ 117.292017][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.292017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.292017][ T72] ip6_route_add+0x1c/0x140 [ 117.292017][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 117.292017][ T72] addrconf_add_dev+0xe2/0x170 [ 117.292017][ T72] inet6_addr_add+0x12f/0xa40 [ 117.292017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.292017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.292017][ T72] netlink_rcv_skb+0x130/0x360 [ 117.292017][ T72] netlink_unicast+0x449/0x710 [ 117.292017][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.292017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.292017][ T72] ___sys_sendmsg+0xee/0x170 [ 117.292017][ T72] __sys_sendmsg+0xcd/0x170 [ 117.292017][ T72] do_syscall_64+0xc6/0x1e0 [ 117.292017][ T72] [ 117.294552][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 117.294552][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 117.294552][ T72] ipv6_find_idev+0x102/0x170 [ 117.294552][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.294552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.294552][ T72] netlink_rcv_skb+0x130/0x360 [ 117.294552][ T72] netlink_unicast+0x449/0x710 [ 117.294552][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.294552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.294552][ T72] ___sys_sendmsg+0xee/0x170 [ 117.294552][ T72] __sys_sendmsg+0xcd/0x170 [ 117.294552][ T72] do_syscall_64+0xc6/0x1e0 [ 117.294552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.294552][ T72] [ 117.296556][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 117.296556][ T72] neigh_parms_alloc+0x1e5/0x510 [ 117.296556][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 117.296556][ T72] ipv6_find_idev+0x102/0x170 [ 117.296556][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.296556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.296556][ T72] netlink_rcv_skb+0x130/0x360 [ 117.296556][ T72] netlink_unicast+0x449/0x710 [ 117.296556][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.296556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.296556][ T72] ___sys_sendmsg+0xee/0x170 [ 117.296556][ T72] __sys_sendmsg+0xcd/0x170 [ 117.296556][ T72] do_syscall_64+0xc6/0x1e0 [ 117.296556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.296556][ T72] [ 117.298988][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 117.299319][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 117.299319][ T72] netdev_get_by_index+0x5e/0x80 [ 117.299319][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.299319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.299319][ T72] addrconf_f6i_alloc+0x265/0x560 [ 117.299319][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 117.299319][ T72] addrconf_join_anycast+0x1c0/0x220 [ 117.299319][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 117.299319][ T72] addrconf_dad_completed+0x12b/0xe20 [ 117.299319][ T72] addrconf_dad_begin+0x310/0x670 [ 117.299319][ T72] addrconf_dad_work+0x10b/0xab0 [ 117.299319][ T72] process_one_work+0x84d/0x18a0 [ 117.299319][ T72] worker_thread+0x587/0xd30 [ 117.299319][ T72] kthread+0x28a/0x350 [ 117.299319][ T72] ret_from_fork+0x31/0x70 [ 117.299319][ T72] ret_from_fork_asm+0x1a/0x30 [ 117.299319][ T72] [ 117.301598][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 117.301598][ T72] netdev_get_by_index+0x5e/0x80 [ 117.301598][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.301598][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.301598][ T72] ip6_route_add+0x1c/0x140 [ 117.301598][ T72] addrconf_prefix_route+0x2a6/0x430 [ 117.301598][ T72] inet6_addr_add+0x4f8/0xa40 [ 117.301598][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.301598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.301598][ T72] netlink_rcv_skb+0x130/0x360 [ 117.301598][ T72] netlink_unicast+0x449/0x710 [ 117.301598][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.301598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.301598][ T72] ___sys_sendmsg+0xee/0x170 [ 117.301598][ T72] __sys_sendmsg+0xcd/0x170 [ 117.301598][ T72] do_syscall_64+0xc6/0x1e0 [ 117.301598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.301598][ T72] [ 117.304244][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 117.304244][ T72] netdev_get_by_index+0x5e/0x80 [ 117.304244][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.304244][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.304244][ T72] addrconf_f6i_alloc+0x315/0x560 [ 117.304244][ T72] ipv6_add_addr+0x411/0x2000 [ 117.304244][ T72] inet6_addr_add+0x30e/0xa40 [ 117.304244][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.304244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.304244][ T72] netlink_rcv_skb+0x130/0x360 [ 117.304244][ T72] netlink_unicast+0x449/0x710 [ 117.304244][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.304244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.304244][ T72] ___sys_sendmsg+0xee/0x170 [ 117.304244][ T72] __sys_sendmsg+0xcd/0x170 [ 117.304244][ T72] do_syscall_64+0xc6/0x1e0 [ 117.304244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.304244][ T72] [ 117.306845][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 117.306845][ T72] netdev_get_by_index+0x5e/0x80 [ 117.306845][ T72] fib6_nh_init+0x3d8/0x1580 [ 117.306845][ T72] ip6_route_info_create+0xf18/0x17d0 [ 117.306845][ T72] ip6_route_add+0x1c/0x140 [ 117.306845][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 117.306845][ T72] addrconf_add_dev+0xe2/0x170 [ 117.306845][ T72] inet6_addr_add+0x12f/0xa40 [ 117.306845][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 117.306845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.306845][ T72] netlink_rcv_skb+0x130/0x360 [ 117.306845][ T72] netlink_unicast+0x449/0x710 [ 117.306845][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.306845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.306845][ T72] ___sys_sendmsg+0xee/0x170 [ 117.306845][ T72] __sys_sendmsg+0xcd/0x170 [ 117.306845][ T72] do_syscall_64+0xc6/0x1e0 [ 117.306845][ T72] [ 117.309483][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 117.309483][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 117.309483][ T72] ipv6_find_idev+0x102/0x170 [ 117.309483][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.309483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.309483][ T72] netlink_rcv_skb+0x130/0x360 [ 117.309483][ T72] netlink_unicast+0x449/0x710 [ 117.309483][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.309483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.309483][ T72] ___sys_sendmsg+0xee/0x170 [ 117.309483][ T72] __sys_sendmsg+0xcd/0x170 [ 117.309483][ T72] do_syscall_64+0xc6/0x1e0 [ 117.309483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.309483][ T72] [ 117.311305][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 117.311305][ T72] neigh_parms_alloc+0x1e5/0x510 [ 117.311305][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 117.311305][ T72] ipv6_find_idev+0x102/0x170 [ 117.311305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.311305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.311305][ T72] netlink_rcv_skb+0x130/0x360 [ 117.311305][ T72] netlink_unicast+0x449/0x710 [ 117.311305][ T72] netlink_sendmsg+0x723/0xbe0 [ 117.311305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 117.311305][ T72] ___sys_sendmsg+0xee/0x170 [ 117.311305][ T72] __sys_sendmsg+0xcd/0x170 [ 117.311305][ T72] do_syscall_64+0xc6/0x1e0 [ 117.311305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.311305][ T72] [ 127.520947][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 127.521493][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 127.521493][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 127.521493][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 127.521493][ T72] fib6_nh_init+0xa22/0x1580 [ 127.521493][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.521493][ T72] ip6_route_add+0x1c/0x140 [ 127.521493][ T72] inet6_rtm_newroute+0x104/0x110 [ 127.521493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.521493][ T72] netlink_rcv_skb+0x130/0x360 [ 127.521493][ T72] netlink_unicast+0x449/0x710 [ 127.521493][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.521493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.521493][ T72] ___sys_sendmsg+0xee/0x170 [ 127.521493][ T72] __sys_sendmsg+0xcd/0x170 [ 127.521493][ T72] do_syscall_64+0xc6/0x1e0 [ 127.521493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.521493][ T72] [ 127.523720][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 127.523720][ T72] dst_init+0x84/0x4a0 [ 127.523720][ T72] dst_alloc+0x97/0x150 [ 127.523720][ T72] ip6_dst_alloc+0x23/0x90 [ 127.523720][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 127.523720][ T72] ip6_pol_route+0x56f/0x840 [ 127.523720][ T72] fib6_rule_lookup+0x456/0x630 [ 127.523720][ T72] ip6_route_input+0x59c/0xa50 [ 127.523720][ T72] ipv6_rcv+0x397/0x810 [ 127.523720][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 127.523720][ T72] process_backlog+0x101/0x620 [ 127.523720][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 127.523720][ T72] net_rx_action+0x495/0xbe0 [ 127.523720][ T72] __do_softirq+0x1b5/0x7f6 [ 127.523720][ T72] [ 127.525662][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 127.525662][ T72] netdev_get_by_index+0x5e/0x80 [ 127.525662][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.525662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.525662][ T72] ip6_route_add+0x1c/0x140 [ 127.525662][ T72] addrconf_prefix_route+0x2a6/0x430 [ 127.525662][ T72] inet6_addr_add+0x4f8/0xa40 [ 127.525662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.525662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.525662][ T72] netlink_rcv_skb+0x130/0x360 [ 127.525662][ T72] netlink_unicast+0x449/0x710 [ 127.525662][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.525662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.525662][ T72] ___sys_sendmsg+0xee/0x170 [ 127.525662][ T72] __sys_sendmsg+0xcd/0x170 [ 127.525662][ T72] do_syscall_64+0xc6/0x1e0 [ 127.525662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.525662][ T72] [ 127.528008][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 127.528008][ T72] netdev_get_by_index+0x5e/0x80 [ 127.528008][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.528008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.528008][ T72] addrconf_f6i_alloc+0x315/0x560 [ 127.528008][ T72] ipv6_add_addr+0x411/0x2000 [ 127.528008][ T72] inet6_addr_add+0x30e/0xa40 [ 127.528008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.528008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.528008][ T72] netlink_rcv_skb+0x130/0x360 [ 127.528008][ T72] netlink_unicast+0x449/0x710 [ 127.528008][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.528008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.528008][ T72] ___sys_sendmsg+0xee/0x170 [ 127.528008][ T72] __sys_sendmsg+0xcd/0x170 [ 127.528008][ T72] do_syscall_64+0xc6/0x1e0 [ 127.528008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.528008][ T72] [ 127.530323][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 127.530323][ T72] netdev_get_by_index+0x5e/0x80 [ 127.530323][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.530323][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.530323][ T72] ip6_route_add+0x1c/0x140 [ 127.530323][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 127.530323][ T72] addrconf_add_dev+0xe2/0x170 [ 127.530323][ T72] inet6_addr_add+0x12f/0xa40 [ 127.530323][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.530323][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.530323][ T72] netlink_rcv_skb+0x130/0x360 [ 127.530323][ T72] netlink_unicast+0x449/0x710 [ 127.530323][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.530323][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.530323][ T72] ___sys_sendmsg+0xee/0x170 [ 127.530323][ T72] __sys_sendmsg+0xcd/0x170 [ 127.530323][ T72] do_syscall_64+0xc6/0x1e0 [ 127.530323][ T72] [ 127.532630][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 127.532630][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 127.532630][ T72] ipv6_find_idev+0x102/0x170 [ 127.532630][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 127.532630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.532630][ T72] netlink_rcv_skb+0x130/0x360 [ 127.532630][ T72] netlink_unicast+0x449/0x710 [ 127.532630][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.532630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.532630][ T72] ___sys_sendmsg+0xee/0x170 [ 127.532630][ T72] __sys_sendmsg+0xcd/0x170 [ 127.532630][ T72] do_syscall_64+0xc6/0x1e0 [ 127.532630][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.532630][ T72] [ 127.534421][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 127.534421][ T72] neigh_parms_alloc+0x1e5/0x510 [ 127.534421][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 127.534421][ T72] ipv6_find_idev+0x102/0x170 [ 127.534421][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 127.534421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.534421][ T72] netlink_rcv_skb+0x130/0x360 [ 127.534421][ T72] netlink_unicast+0x449/0x710 [ 127.534421][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.534421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.534421][ T72] ___sys_sendmsg+0xee/0x170 [ 127.534421][ T72] __sys_sendmsg+0xcd/0x170 [ 127.534421][ T72] do_syscall_64+0xc6/0x1e0 [ 127.534421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.534421][ T72] [ 127.536400][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 127.536723][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 127.536723][ T72] dst_init+0x84/0x4a0 [ 127.536723][ T72] dst_alloc+0x97/0x150 [ 127.536723][ T72] ip6_dst_alloc+0x23/0x90 [ 127.536723][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 127.536723][ T72] ip6_pol_route+0x56f/0x840 [ 127.536723][ T72] fib6_rule_lookup+0x456/0x630 [ 127.536723][ T72] ip6_route_input+0x59c/0xa50 [ 127.536723][ T72] ipv6_rcv+0x397/0x810 [ 127.536723][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 127.536723][ T72] process_backlog+0x101/0x620 [ 127.536723][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 127.536723][ T72] net_rx_action+0x495/0xbe0 [ 127.536723][ T72] __do_softirq+0x1b5/0x7f6 [ 127.536723][ T72] [ 127.538646][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 127.538646][ T72] netdev_get_by_index+0x5e/0x80 [ 127.538646][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.538646][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.538646][ T72] addrconf_f6i_alloc+0x265/0x560 [ 127.538646][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 127.538646][ T72] addrconf_join_anycast+0x1c0/0x220 [ 127.538646][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 127.538646][ T72] addrconf_dad_completed+0x12b/0xe20 [ 127.538646][ T72] addrconf_dad_begin+0x310/0x670 [ 127.538646][ T72] addrconf_dad_work+0x10b/0xab0 [ 127.538646][ T72] process_one_work+0x84d/0x18a0 [ 127.538646][ T72] worker_thread+0x587/0xd30 [ 127.538646][ T72] kthread+0x28a/0x350 [ 127.538646][ T72] ret_from_fork+0x31/0x70 [ 127.538646][ T72] ret_from_fork_asm+0x1a/0x30 [ 127.538646][ T72] [ 127.540883][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 127.540883][ T72] netdev_get_by_index+0x5e/0x80 [ 127.540883][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.540883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.540883][ T72] ip6_route_add+0x1c/0x140 [ 127.540883][ T72] addrconf_prefix_route+0x2a6/0x430 [ 127.540883][ T72] inet6_addr_add+0x4f8/0xa40 [ 127.540883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.540883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.540883][ T72] netlink_rcv_skb+0x130/0x360 [ 127.540883][ T72] netlink_unicast+0x449/0x710 [ 127.540883][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.540883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.540883][ T72] ___sys_sendmsg+0xee/0x170 [ 127.540883][ T72] __sys_sendmsg+0xcd/0x170 [ 127.540883][ T72] do_syscall_64+0xc6/0x1e0 [ 127.540883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.540883][ T72] [ 127.543217][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 127.543217][ T72] netdev_get_by_index+0x5e/0x80 [ 127.543217][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.543217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.543217][ T72] addrconf_f6i_alloc+0x315/0x560 [ 127.543217][ T72] ipv6_add_addr+0x411/0x2000 [ 127.543217][ T72] inet6_addr_add+0x30e/0xa40 [ 127.543217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.543217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.543217][ T72] netlink_rcv_skb+0x130/0x360 [ 127.543217][ T72] netlink_unicast+0x449/0x710 [ 127.543217][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.543217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.543217][ T72] ___sys_sendmsg+0xee/0x170 [ 127.543217][ T72] __sys_sendmsg+0xcd/0x170 [ 127.543217][ T72] do_syscall_64+0xc6/0x1e0 [ 127.543217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.543217][ T72] [ 127.545543][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 127.545543][ T72] netdev_get_by_index+0x5e/0x80 [ 127.545543][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.545543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.545543][ T72] ip6_route_add+0x1c/0x140 [ 127.545543][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 127.545543][ T72] addrconf_add_dev+0xe2/0x170 [ 127.545543][ T72] inet6_addr_add+0x12f/0xa40 [ 127.545543][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.545543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.545543][ T72] netlink_rcv_skb+0x130/0x360 [ 127.545543][ T72] netlink_unicast+0x449/0x710 [ 127.545543][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.545543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.545543][ T72] ___sys_sendmsg+0xee/0x170 [ 127.545543][ T72] __sys_sendmsg+0xcd/0x170 [ 127.545543][ T72] do_syscall_64+0xc6/0x1e0 [ 127.545543][ T72] [ 127.547831][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 127.547831][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 127.547831][ T72] ipv6_find_idev+0x102/0x170 [ 127.547831][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 127.547831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.547831][ T72] netlink_rcv_skb+0x130/0x360 [ 127.547831][ T72] netlink_unicast+0x449/0x710 [ 127.547831][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.547831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.547831][ T72] ___sys_sendmsg+0xee/0x170 [ 127.547831][ T72] __sys_sendmsg+0xcd/0x170 [ 127.547831][ T72] do_syscall_64+0xc6/0x1e0 [ 127.547831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.547831][ T72] [ 127.549670][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 127.549670][ T72] neigh_parms_alloc+0x1e5/0x510 [ 127.549670][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 127.549670][ T72] ipv6_find_idev+0x102/0x170 [ 127.549670][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 127.549670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.549670][ T72] netlink_rcv_skb+0x130/0x360 [ 127.549670][ T72] netlink_unicast+0x449/0x710 [ 127.549670][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.549670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.549670][ T72] ___sys_sendmsg+0xee/0x170 [ 127.549670][ T72] __sys_sendmsg+0xcd/0x170 [ 127.549670][ T72] do_syscall_64+0xc6/0x1e0 [ 127.549670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.549670][ T72] [ 127.551717][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 127.552043][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 127.552043][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 127.552043][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 127.552043][ T72] fib6_nh_init+0xa22/0x1580 [ 127.552043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.552043][ T72] ip6_route_add+0x1c/0x140 [ 127.552043][ T72] inet6_rtm_newroute+0x104/0x110 [ 127.552043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.552043][ T72] netlink_rcv_skb+0x130/0x360 [ 127.552043][ T72] netlink_unicast+0x449/0x710 [ 127.552043][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.552043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.552043][ T72] ___sys_sendmsg+0xee/0x170 [ 127.552043][ T72] __sys_sendmsg+0xcd/0x170 [ 127.552043][ T72] do_syscall_64+0xc6/0x1e0 [ 127.552043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.552043][ T72] [ 127.554539][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 127.554539][ T72] dst_init+0x84/0x4a0 [ 127.554539][ T72] dst_alloc+0x97/0x150 [ 127.554539][ T72] ip6_dst_alloc+0x23/0x90 [ 127.554539][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 127.554539][ T72] ip6_pol_route+0x56f/0x840 [ 127.554539][ T72] fib6_rule_lookup+0x456/0x630 [ 127.554539][ T72] ip6_route_input+0x59c/0xa50 [ 127.554539][ T72] ipv6_rcv+0x397/0x810 [ 127.554539][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 127.554539][ T72] process_backlog+0x101/0x620 [ 127.554539][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 127.554539][ T72] net_rx_action+0x495/0xbe0 [ 127.554539][ T72] __do_softirq+0x1b5/0x7f6 [ 127.554539][ T72] [ 127.556597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 127.556597][ T72] netdev_get_by_index+0x5e/0x80 [ 127.556597][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.556597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.556597][ T72] ip6_route_add+0x1c/0x140 [ 127.556597][ T72] addrconf_prefix_route+0x2a6/0x430 [ 127.556597][ T72] inet6_addr_add+0x4f8/0xa40 [ 127.556597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.556597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.556597][ T72] netlink_rcv_skb+0x130/0x360 [ 127.556597][ T72] netlink_unicast+0x449/0x710 [ 127.556597][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.556597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.556597][ T72] ___sys_sendmsg+0xee/0x170 [ 127.556597][ T72] __sys_sendmsg+0xcd/0x170 [ 127.556597][ T72] do_syscall_64+0xc6/0x1e0 [ 127.556597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.556597][ T72] [ 127.559116][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 127.559116][ T72] netdev_get_by_index+0x5e/0x80 [ 127.559116][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.559116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.559116][ T72] addrconf_f6i_alloc+0x315/0x560 [ 127.559116][ T72] ipv6_add_addr+0x411/0x2000 [ 127.559116][ T72] inet6_addr_add+0x30e/0xa40 [ 127.559116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.559116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.559116][ T72] netlink_rcv_skb+0x130/0x360 [ 127.559116][ T72] netlink_unicast+0x449/0x710 [ 127.559116][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.559116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.559116][ T72] ___sys_sendmsg+0xee/0x170 [ 127.559116][ T72] __sys_sendmsg+0xcd/0x170 [ 127.559116][ T72] do_syscall_64+0xc6/0x1e0 [ 127.559116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.559116][ T72] [ 127.561636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 127.561636][ T72] netdev_get_by_index+0x5e/0x80 [ 127.561636][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.561636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.561636][ T72] ip6_route_add+0x1c/0x140 [ 127.561636][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 127.561636][ T72] addrconf_add_dev+0xe2/0x170 [ 127.561636][ T72] inet6_addr_add+0x12f/0xa40 [ 127.561636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.561636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.561636][ T72] netlink_rcv_skb+0x130/0x360 [ 127.561636][ T72] netlink_unicast+0x449/0x710 [ 127.561636][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.561636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.561636][ T72] ___sys_sendmsg+0xee/0x170 [ 127.561636][ T72] __sys_sendmsg+0xcd/0x170 [ 127.561636][ T72] do_syscall_64+0xc6/0x1e0 [ 127.561636][ T72] [ 127.564156][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 127.564156][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 127.564156][ T72] ipv6_find_idev+0x102/0x170 [ 127.564156][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 127.564156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.564156][ T72] netlink_rcv_skb+0x130/0x360 [ 127.564156][ T72] netlink_unicast+0x449/0x710 [ 127.564156][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.564156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.564156][ T72] ___sys_sendmsg+0xee/0x170 [ 127.564156][ T72] __sys_sendmsg+0xcd/0x170 [ 127.564156][ T72] do_syscall_64+0xc6/0x1e0 [ 127.564156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.564156][ T72] [ 127.566152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 127.566152][ T72] neigh_parms_alloc+0x1e5/0x510 [ 127.566152][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 127.566152][ T72] ipv6_find_idev+0x102/0x170 [ 127.566152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 127.566152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.566152][ T72] netlink_rcv_skb+0x130/0x360 [ 127.566152][ T72] netlink_unicast+0x449/0x710 [ 127.566152][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.566152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.566152][ T72] ___sys_sendmsg+0xee/0x170 [ 127.566152][ T72] __sys_sendmsg+0xcd/0x170 [ 127.566152][ T72] do_syscall_64+0xc6/0x1e0 [ 127.566152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.566152][ T72] [ 127.568326][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 127.568649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 127.568649][ T72] netdev_get_by_index+0x5e/0x80 [ 127.568649][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.568649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.568649][ T72] addrconf_f6i_alloc+0x265/0x560 [ 127.568649][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 127.568649][ T72] addrconf_join_anycast+0x1c0/0x220 [ 127.568649][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 127.568649][ T72] addrconf_dad_completed+0x12b/0xe20 [ 127.568649][ T72] addrconf_dad_begin+0x310/0x670 [ 127.568649][ T72] addrconf_dad_work+0x10b/0xab0 [ 127.568649][ T72] process_one_work+0x84d/0x18a0 [ 127.568649][ T72] worker_thread+0x587/0xd30 [ 127.568649][ T72] kthread+0x28a/0x350 [ 127.568649][ T72] ret_from_fork+0x31/0x70 [ 127.568649][ T72] ret_from_fork_asm+0x1a/0x30 [ 127.568649][ T72] [ 127.571035][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 127.571035][ T72] netdev_get_by_index+0x5e/0x80 [ 127.571035][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.571035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.571035][ T72] ip6_route_add+0x1c/0x140 [ 127.571035][ T72] addrconf_prefix_route+0x2a6/0x430 [ 127.571035][ T72] inet6_addr_add+0x4f8/0xa40 [ 127.571035][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.571035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.571035][ T72] netlink_rcv_skb+0x130/0x360 [ 127.571035][ T72] netlink_unicast+0x449/0x710 [ 127.571035][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.571035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.571035][ T72] ___sys_sendmsg+0xee/0x170 [ 127.571035][ T72] __sys_sendmsg+0xcd/0x170 [ 127.571035][ T72] do_syscall_64+0xc6/0x1e0 [ 127.571035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.571035][ T72] [ 127.573563][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 127.573563][ T72] netdev_get_by_index+0x5e/0x80 [ 127.573563][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.573563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.573563][ T72] addrconf_f6i_alloc+0x315/0x560 [ 127.573563][ T72] ipv6_add_addr+0x411/0x2000 [ 127.573563][ T72] inet6_addr_add+0x30e/0xa40 [ 127.573563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.573563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.573563][ T72] netlink_rcv_skb+0x130/0x360 [ 127.573563][ T72] netlink_unicast+0x449/0x710 [ 127.573563][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.573563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.573563][ T72] ___sys_sendmsg+0xee/0x170 [ 127.573563][ T72] __sys_sendmsg+0xcd/0x170 [ 127.573563][ T72] do_syscall_64+0xc6/0x1e0 [ 127.573563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.573563][ T72] [ 127.576199][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 127.576199][ T72] netdev_get_by_index+0x5e/0x80 [ 127.576199][ T72] fib6_nh_init+0x3d8/0x1580 [ 127.576199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 127.576199][ T72] ip6_route_add+0x1c/0x140 [ 127.576199][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 127.576199][ T72] addrconf_add_dev+0xe2/0x170 [ 127.576199][ T72] inet6_addr_add+0x12f/0xa40 [ 127.576199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 127.576199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.576199][ T72] netlink_rcv_skb+0x130/0x360 [ 127.576199][ T72] netlink_unicast+0x449/0x710 [ 127.576199][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.576199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.576199][ T72] ___sys_sendmsg+0xee/0x170 [ 127.576199][ T72] __sys_sendmsg+0xcd/0x170 [ 127.576199][ T72] do_syscall_64+0xc6/0x1e0 [ 127.576199][ T72] [ 127.578685][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 127.578685][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 127.578685][ T72] ipv6_find_idev+0x102/0x170 [ 127.578685][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 127.578685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.578685][ T72] netlink_rcv_skb+0x130/0x360 [ 127.578685][ T72] netlink_unicast+0x449/0x710 [ 127.578685][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.578685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.578685][ T72] ___sys_sendmsg+0xee/0x170 [ 127.578685][ T72] __sys_sendmsg+0xcd/0x170 [ 127.578685][ T72] do_syscall_64+0xc6/0x1e0 [ 127.578685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.578685][ T72] [ 127.580606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 127.580606][ T72] neigh_parms_alloc+0x1e5/0x510 [ 127.580606][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 127.580606][ T72] ipv6_find_idev+0x102/0x170 [ 127.580606][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 127.580606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 127.580606][ T72] netlink_rcv_skb+0x130/0x360 [ 127.580606][ T72] netlink_unicast+0x449/0x710 [ 127.580606][ T72] netlink_sendmsg+0x723/0xbe0 [ 127.580606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 127.580606][ T72] ___sys_sendmsg+0xee/0x170 [ 127.580606][ T72] __sys_sendmsg+0xcd/0x170 [ 127.580606][ T72] do_syscall_64+0xc6/0x1e0 [ 127.580606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 127.580606][ T72] [ 137.832891][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 137.833397][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 137.833397][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 137.833397][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 137.833397][ T72] fib6_nh_init+0xa22/0x1580 [ 137.833397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.833397][ T72] ip6_route_add+0x1c/0x140 [ 137.833397][ T72] inet6_rtm_newroute+0x104/0x110 [ 137.833397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.833397][ T72] netlink_rcv_skb+0x130/0x360 [ 137.833397][ T72] netlink_unicast+0x449/0x710 [ 137.833397][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.833397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.833397][ T72] ___sys_sendmsg+0xee/0x170 [ 137.833397][ T72] __sys_sendmsg+0xcd/0x170 [ 137.833397][ T72] do_syscall_64+0xc6/0x1e0 [ 137.833397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.833397][ T72] [ 137.835484][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 137.835484][ T72] dst_init+0x84/0x4a0 [ 137.835484][ T72] dst_alloc+0x97/0x150 [ 137.835484][ T72] ip6_dst_alloc+0x23/0x90 [ 137.835484][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 137.835484][ T72] ip6_pol_route+0x56f/0x840 [ 137.835484][ T72] fib6_rule_lookup+0x456/0x630 [ 137.835484][ T72] ip6_route_input+0x59c/0xa50 [ 137.835484][ T72] ipv6_rcv+0x397/0x810 [ 137.835484][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 137.835484][ T72] process_backlog+0x101/0x620 [ 137.835484][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 137.835484][ T72] net_rx_action+0x495/0xbe0 [ 137.835484][ T72] __do_softirq+0x1b5/0x7f6 [ 137.835484][ T72] [ 137.837277][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 137.837277][ T72] netdev_get_by_index+0x5e/0x80 [ 137.837277][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.837277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.837277][ T72] ip6_route_add+0x1c/0x140 [ 137.837277][ T72] addrconf_prefix_route+0x2a6/0x430 [ 137.837277][ T72] inet6_addr_add+0x4f8/0xa40 [ 137.837277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.837277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.837277][ T72] netlink_rcv_skb+0x130/0x360 [ 137.837277][ T72] netlink_unicast+0x449/0x710 [ 137.837277][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.837277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.837277][ T72] ___sys_sendmsg+0xee/0x170 [ 137.837277][ T72] __sys_sendmsg+0xcd/0x170 [ 137.837277][ T72] do_syscall_64+0xc6/0x1e0 [ 137.837277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.837277][ T72] [ 137.839436][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 137.839436][ T72] netdev_get_by_index+0x5e/0x80 [ 137.839436][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.839436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.839436][ T72] addrconf_f6i_alloc+0x315/0x560 [ 137.839436][ T72] ipv6_add_addr+0x411/0x2000 [ 137.839436][ T72] inet6_addr_add+0x30e/0xa40 [ 137.839436][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.839436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.839436][ T72] netlink_rcv_skb+0x130/0x360 [ 137.839436][ T72] netlink_unicast+0x449/0x710 [ 137.839436][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.839436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.839436][ T72] ___sys_sendmsg+0xee/0x170 [ 137.839436][ T72] __sys_sendmsg+0xcd/0x170 [ 137.839436][ T72] do_syscall_64+0xc6/0x1e0 [ 137.839436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.839436][ T72] [ 137.841559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 137.841559][ T72] netdev_get_by_index+0x5e/0x80 [ 137.841559][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.841559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.841559][ T72] ip6_route_add+0x1c/0x140 [ 137.841559][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 137.841559][ T72] addrconf_add_dev+0xe2/0x170 [ 137.841559][ T72] inet6_addr_add+0x12f/0xa40 [ 137.841559][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.841559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.841559][ T72] netlink_rcv_skb+0x130/0x360 [ 137.841559][ T72] netlink_unicast+0x449/0x710 [ 137.841559][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.841559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.841559][ T72] ___sys_sendmsg+0xee/0x170 [ 137.841559][ T72] __sys_sendmsg+0xcd/0x170 [ 137.841559][ T72] do_syscall_64+0xc6/0x1e0 [ 137.841559][ T72] [ 137.843642][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 137.843642][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 137.843642][ T72] ipv6_find_idev+0x102/0x170 [ 137.843642][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 137.843642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.843642][ T72] netlink_rcv_skb+0x130/0x360 [ 137.843642][ T72] netlink_unicast+0x449/0x710 [ 137.843642][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.843642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.843642][ T72] ___sys_sendmsg+0xee/0x170 [ 137.843642][ T72] __sys_sendmsg+0xcd/0x170 [ 137.843642][ T72] do_syscall_64+0xc6/0x1e0 [ 137.843642][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.843642][ T72] [ 137.845284][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 137.845284][ T72] neigh_parms_alloc+0x1e5/0x510 [ 137.845284][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 137.845284][ T72] ipv6_find_idev+0x102/0x170 [ 137.845284][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 137.845284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.845284][ T72] netlink_rcv_skb+0x130/0x360 [ 137.845284][ T72] netlink_unicast+0x449/0x710 [ 137.845284][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.845284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.845284][ T72] ___sys_sendmsg+0xee/0x170 [ 137.845284][ T72] __sys_sendmsg+0xcd/0x170 [ 137.845284][ T72] do_syscall_64+0xc6/0x1e0 [ 137.845284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.845284][ T72] [ 137.847150][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 137.847454][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 137.847454][ T72] dst_init+0x84/0x4a0 [ 137.847454][ T72] dst_alloc+0x97/0x150 [ 137.847454][ T72] ip6_dst_alloc+0x23/0x90 [ 137.847454][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 137.847454][ T72] ip6_pol_route+0x56f/0x840 [ 137.847454][ T72] fib6_rule_lookup+0x456/0x630 [ 137.847454][ T72] ip6_route_input+0x59c/0xa50 [ 137.847454][ T72] ipv6_rcv+0x397/0x810 [ 137.847454][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 137.847454][ T72] process_backlog+0x101/0x620 [ 137.847454][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 137.847454][ T72] net_rx_action+0x495/0xbe0 [ 137.847454][ T72] __do_softirq+0x1b5/0x7f6 [ 137.847454][ T72] [ 137.849246][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 137.849246][ T72] netdev_get_by_index+0x5e/0x80 [ 137.849246][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.849246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.849246][ T72] addrconf_f6i_alloc+0x265/0x560 [ 137.849246][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 137.849246][ T72] addrconf_join_anycast+0x1c0/0x220 [ 137.849246][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 137.849246][ T72] addrconf_dad_completed+0x12b/0xe20 [ 137.849246][ T72] addrconf_dad_begin+0x310/0x670 [ 137.849246][ T72] addrconf_dad_work+0x10b/0xab0 [ 137.849246][ T72] process_one_work+0x84d/0x18a0 [ 137.849246][ T72] worker_thread+0x587/0xd30 [ 137.849246][ T72] kthread+0x28a/0x350 [ 137.849246][ T72] ret_from_fork+0x31/0x70 [ 137.849246][ T72] ret_from_fork_asm+0x1a/0x30 [ 137.849246][ T72] [ 137.851272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 137.851272][ T72] netdev_get_by_index+0x5e/0x80 [ 137.851272][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.851272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.851272][ T72] ip6_route_add+0x1c/0x140 [ 137.851272][ T72] addrconf_prefix_route+0x2a6/0x430 [ 137.851272][ T72] inet6_addr_add+0x4f8/0xa40 [ 137.851272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.851272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.851272][ T72] netlink_rcv_skb+0x130/0x360 [ 137.851272][ T72] netlink_unicast+0x449/0x710 [ 137.851272][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.851272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.851272][ T72] ___sys_sendmsg+0xee/0x170 [ 137.851272][ T72] __sys_sendmsg+0xcd/0x170 [ 137.851272][ T72] do_syscall_64+0xc6/0x1e0 [ 137.851272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.851272][ T72] [ 137.853446][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 137.853446][ T72] netdev_get_by_index+0x5e/0x80 [ 137.853446][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.853446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.853446][ T72] addrconf_f6i_alloc+0x315/0x560 [ 137.853446][ T72] ipv6_add_addr+0x411/0x2000 [ 137.853446][ T72] inet6_addr_add+0x30e/0xa40 [ 137.853446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.853446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.853446][ T72] netlink_rcv_skb+0x130/0x360 [ 137.853446][ T72] netlink_unicast+0x449/0x710 [ 137.853446][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.853446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.853446][ T72] ___sys_sendmsg+0xee/0x170 [ 137.853446][ T72] __sys_sendmsg+0xcd/0x170 [ 137.853446][ T72] do_syscall_64+0xc6/0x1e0 [ 137.853446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.853446][ T72] [ 137.856982][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 137.856982][ T72] netdev_get_by_index+0x5e/0x80 [ 137.856982][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.856982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.856982][ T72] ip6_route_add+0x1c/0x140 [ 137.856982][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 137.856982][ T72] addrconf_add_dev+0xe2/0x170 [ 137.856982][ T72] inet6_addr_add+0x12f/0xa40 [ 137.856982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.856982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.856982][ T72] netlink_rcv_skb+0x130/0x360 [ 137.856982][ T72] netlink_unicast+0x449/0x710 [ 137.856982][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.856982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.856982][ T72] ___sys_sendmsg+0xee/0x170 [ 137.856982][ T72] __sys_sendmsg+0xcd/0x170 [ 137.856982][ T72] do_syscall_64+0xc6/0x1e0 [ 137.856982][ T72] [ 137.860544][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 137.860544][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 137.860544][ T72] ipv6_find_idev+0x102/0x170 [ 137.860544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 137.860544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.860544][ T72] netlink_rcv_skb+0x130/0x360 [ 137.860544][ T72] netlink_unicast+0x449/0x710 [ 137.860544][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.860544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.860544][ T72] ___sys_sendmsg+0xee/0x170 [ 137.860544][ T72] __sys_sendmsg+0xcd/0x170 [ 137.860544][ T72] do_syscall_64+0xc6/0x1e0 [ 137.860544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.860544][ T72] [ 137.863338][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 137.863338][ T72] neigh_parms_alloc+0x1e5/0x510 [ 137.863338][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 137.863338][ T72] ipv6_find_idev+0x102/0x170 [ 137.863338][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 137.863338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.863338][ T72] netlink_rcv_skb+0x130/0x360 [ 137.863338][ T72] netlink_unicast+0x449/0x710 [ 137.863338][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.863338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.863338][ T72] ___sys_sendmsg+0xee/0x170 [ 137.863338][ T72] __sys_sendmsg+0xcd/0x170 [ 137.863338][ T72] do_syscall_64+0xc6/0x1e0 [ 137.863338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.863338][ T72] [ 137.866501][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 137.866832][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 137.866832][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 137.866832][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 137.866832][ T72] fib6_nh_init+0xa22/0x1580 [ 137.866832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.866832][ T72] ip6_route_add+0x1c/0x140 [ 137.866832][ T72] inet6_rtm_newroute+0x104/0x110 [ 137.866832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.866832][ T72] netlink_rcv_skb+0x130/0x360 [ 137.866832][ T72] netlink_unicast+0x449/0x710 [ 137.866832][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.866832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.866832][ T72] ___sys_sendmsg+0xee/0x170 [ 137.866832][ T72] __sys_sendmsg+0xcd/0x170 [ 137.866832][ T72] do_syscall_64+0xc6/0x1e0 [ 137.866832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.866832][ T72] [ 137.869054][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 137.869054][ T72] dst_init+0x84/0x4a0 [ 137.869054][ T72] dst_alloc+0x97/0x150 [ 137.869054][ T72] ip6_dst_alloc+0x23/0x90 [ 137.869054][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 137.869054][ T72] ip6_pol_route+0x56f/0x840 [ 137.869054][ T72] fib6_rule_lookup+0x456/0x630 [ 137.869054][ T72] ip6_route_input+0x59c/0xa50 [ 137.869054][ T72] ipv6_rcv+0x397/0x810 [ 137.869054][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 137.869054][ T72] process_backlog+0x101/0x620 [ 137.869054][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 137.869054][ T72] net_rx_action+0x495/0xbe0 [ 137.869054][ T72] __do_softirq+0x1b5/0x7f6 [ 137.869054][ T72] [ 137.870865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 137.870865][ T72] netdev_get_by_index+0x5e/0x80 [ 137.870865][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.870865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.870865][ T72] ip6_route_add+0x1c/0x140 [ 137.870865][ T72] addrconf_prefix_route+0x2a6/0x430 [ 137.870865][ T72] inet6_addr_add+0x4f8/0xa40 [ 137.870865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.870865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.870865][ T72] netlink_rcv_skb+0x130/0x360 [ 137.870865][ T72] netlink_unicast+0x449/0x710 [ 137.870865][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.870865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.870865][ T72] ___sys_sendmsg+0xee/0x170 [ 137.870865][ T72] __sys_sendmsg+0xcd/0x170 [ 137.870865][ T72] do_syscall_64+0xc6/0x1e0 [ 137.870865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.870865][ T72] [ 137.873124][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 137.873124][ T72] netdev_get_by_index+0x5e/0x80 [ 137.873124][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.873124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.873124][ T72] addrconf_f6i_alloc+0x315/0x560 [ 137.873124][ T72] ipv6_add_addr+0x411/0x2000 [ 137.873124][ T72] inet6_addr_add+0x30e/0xa40 [ 137.873124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.873124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.873124][ T72] netlink_rcv_skb+0x130/0x360 [ 137.873124][ T72] netlink_unicast+0x449/0x710 [ 137.873124][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.873124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.873124][ T72] ___sys_sendmsg+0xee/0x170 [ 137.873124][ T72] __sys_sendmsg+0xcd/0x170 [ 137.873124][ T72] do_syscall_64+0xc6/0x1e0 [ 137.873124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.873124][ T72] [ 137.875444][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 137.875444][ T72] netdev_get_by_index+0x5e/0x80 [ 137.875444][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.875444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.875444][ T72] ip6_route_add+0x1c/0x140 [ 137.875444][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 137.875444][ T72] addrconf_add_dev+0xe2/0x170 [ 137.875444][ T72] inet6_addr_add+0x12f/0xa40 [ 137.875444][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.875444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.875444][ T72] netlink_rcv_skb+0x130/0x360 [ 137.875444][ T72] netlink_unicast+0x449/0x710 [ 137.875444][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.875444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.875444][ T72] ___sys_sendmsg+0xee/0x170 [ 137.875444][ T72] __sys_sendmsg+0xcd/0x170 [ 137.875444][ T72] do_syscall_64+0xc6/0x1e0 [ 137.875444][ T72] [ 137.877972][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 137.877972][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 137.877972][ T72] ipv6_find_idev+0x102/0x170 [ 137.877972][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 137.877972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.877972][ T72] netlink_rcv_skb+0x130/0x360 [ 137.877972][ T72] netlink_unicast+0x449/0x710 [ 137.877972][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.877972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.877972][ T72] ___sys_sendmsg+0xee/0x170 [ 137.877972][ T72] __sys_sendmsg+0xcd/0x170 [ 137.877972][ T72] do_syscall_64+0xc6/0x1e0 [ 137.877972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.877972][ T72] [ 137.879685][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 137.879685][ T72] neigh_parms_alloc+0x1e5/0x510 [ 137.879685][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 137.879685][ T72] ipv6_find_idev+0x102/0x170 [ 137.879685][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 137.879685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.879685][ T72] netlink_rcv_skb+0x130/0x360 [ 137.879685][ T72] netlink_unicast+0x449/0x710 [ 137.879685][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.879685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.879685][ T72] ___sys_sendmsg+0xee/0x170 [ 137.879685][ T72] __sys_sendmsg+0xcd/0x170 [ 137.879685][ T72] do_syscall_64+0xc6/0x1e0 [ 137.879685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.879685][ T72] [ 137.881648][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 137.882401][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 137.882401][ T72] netdev_get_by_index+0x5e/0x80 [ 137.882401][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.882401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.882401][ T72] addrconf_f6i_alloc+0x265/0x560 [ 137.882401][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 137.882401][ T72] addrconf_join_anycast+0x1c0/0x220 [ 137.882401][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 137.882401][ T72] addrconf_dad_completed+0x12b/0xe20 [ 137.882401][ T72] addrconf_dad_begin+0x310/0x670 [ 137.882401][ T72] addrconf_dad_work+0x10b/0xab0 [ 137.882401][ T72] process_one_work+0x84d/0x18a0 [ 137.882401][ T72] worker_thread+0x587/0xd30 [ 137.882401][ T72] kthread+0x28a/0x350 [ 137.882401][ T72] ret_from_fork+0x31/0x70 [ 137.882401][ T72] ret_from_fork_asm+0x1a/0x30 [ 137.882401][ T72] [ 137.884438][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 137.884438][ T72] netdev_get_by_index+0x5e/0x80 [ 137.884438][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.884438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.884438][ T72] ip6_route_add+0x1c/0x140 [ 137.884438][ T72] addrconf_prefix_route+0x2a6/0x430 [ 137.884438][ T72] inet6_addr_add+0x4f8/0xa40 [ 137.884438][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.884438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.884438][ T72] netlink_rcv_skb+0x130/0x360 [ 137.884438][ T72] netlink_unicast+0x449/0x710 [ 137.884438][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.884438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.884438][ T72] ___sys_sendmsg+0xee/0x170 [ 137.884438][ T72] __sys_sendmsg+0xcd/0x170 [ 137.884438][ T72] do_syscall_64+0xc6/0x1e0 [ 137.884438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.884438][ T72] [ 137.886608][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 137.886608][ T72] netdev_get_by_index+0x5e/0x80 [ 137.886608][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.886608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.886608][ T72] addrconf_f6i_alloc+0x315/0x560 [ 137.886608][ T72] ipv6_add_addr+0x411/0x2000 [ 137.886608][ T72] inet6_addr_add+0x30e/0xa40 [ 137.886608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.886608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.886608][ T72] netlink_rcv_skb+0x130/0x360 [ 137.886608][ T72] netlink_unicast+0x449/0x710 [ 137.886608][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.886608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.886608][ T72] ___sys_sendmsg+0xee/0x170 [ 137.886608][ T72] __sys_sendmsg+0xcd/0x170 [ 137.886608][ T72] do_syscall_64+0xc6/0x1e0 [ 137.886608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.886608][ T72] [ 137.888859][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 137.888859][ T72] netdev_get_by_index+0x5e/0x80 [ 137.888859][ T72] fib6_nh_init+0x3d8/0x1580 [ 137.888859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 137.888859][ T72] ip6_route_add+0x1c/0x140 [ 137.888859][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 137.888859][ T72] addrconf_add_dev+0xe2/0x170 [ 137.888859][ T72] inet6_addr_add+0x12f/0xa40 [ 137.888859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 137.888859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.888859][ T72] netlink_rcv_skb+0x130/0x360 [ 137.888859][ T72] netlink_unicast+0x449/0x710 [ 137.888859][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.888859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.888859][ T72] ___sys_sendmsg+0xee/0x170 [ 137.888859][ T72] __sys_sendmsg+0xcd/0x170 [ 137.888859][ T72] do_syscall_64+0xc6/0x1e0 [ 137.888859][ T72] [ 137.891000][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 137.891000][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 137.891000][ T72] ipv6_find_idev+0x102/0x170 [ 137.891000][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 137.891000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.891000][ T72] netlink_rcv_skb+0x130/0x360 [ 137.891000][ T72] netlink_unicast+0x449/0x710 [ 137.891000][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.891000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.891000][ T72] ___sys_sendmsg+0xee/0x170 [ 137.891000][ T72] __sys_sendmsg+0xcd/0x170 [ 137.891000][ T72] do_syscall_64+0xc6/0x1e0 [ 137.891000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.891000][ T72] [ 137.892611][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 137.892611][ T72] neigh_parms_alloc+0x1e5/0x510 [ 137.892611][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 137.892611][ T72] ipv6_find_idev+0x102/0x170 [ 137.892611][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 137.892611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 137.892611][ T72] netlink_rcv_skb+0x130/0x360 [ 137.892611][ T72] netlink_unicast+0x449/0x710 [ 137.892611][ T72] netlink_sendmsg+0x723/0xbe0 [ 137.892611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 137.892611][ T72] ___sys_sendmsg+0xee/0x170 [ 137.892611][ T72] __sys_sendmsg+0xcd/0x170 [ 137.892611][ T72] do_syscall_64+0xc6/0x1e0 [ 137.892611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 137.892611][ T72] [ 148.144912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 148.145562][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 148.145562][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 148.145562][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 148.145562][ T72] fib6_nh_init+0xa22/0x1580 [ 148.145562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.145562][ T72] ip6_route_add+0x1c/0x140 [ 148.145562][ T72] inet6_rtm_newroute+0x104/0x110 [ 148.145562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.145562][ T72] netlink_rcv_skb+0x130/0x360 [ 148.145562][ T72] netlink_unicast+0x449/0x710 [ 148.145562][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.145562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.145562][ T72] ___sys_sendmsg+0xee/0x170 [ 148.145562][ T72] __sys_sendmsg+0xcd/0x170 [ 148.145562][ T72] do_syscall_64+0xc6/0x1e0 [ 148.145562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.145562][ T72] [ 148.147785][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 148.147785][ T72] dst_init+0x84/0x4a0 [ 148.147785][ T72] dst_alloc+0x97/0x150 [ 148.147785][ T72] ip6_dst_alloc+0x23/0x90 [ 148.147785][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 148.147785][ T72] ip6_pol_route+0x56f/0x840 [ 148.147785][ T72] fib6_rule_lookup+0x456/0x630 [ 148.147785][ T72] ip6_route_input+0x59c/0xa50 [ 148.147785][ T72] ipv6_rcv+0x397/0x810 [ 148.147785][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 148.147785][ T72] process_backlog+0x101/0x620 [ 148.147785][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 148.147785][ T72] net_rx_action+0x495/0xbe0 [ 148.147785][ T72] __do_softirq+0x1b5/0x7f6 [ 148.147785][ T72] [ 148.149613][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 148.149613][ T72] netdev_get_by_index+0x5e/0x80 [ 148.149613][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.149613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.149613][ T72] ip6_route_add+0x1c/0x140 [ 148.149613][ T72] addrconf_prefix_route+0x2a6/0x430 [ 148.149613][ T72] inet6_addr_add+0x4f8/0xa40 [ 148.149613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.149613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.149613][ T72] netlink_rcv_skb+0x130/0x360 [ 148.149613][ T72] netlink_unicast+0x449/0x710 [ 148.149613][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.149613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.149613][ T72] ___sys_sendmsg+0xee/0x170 [ 148.149613][ T72] __sys_sendmsg+0xcd/0x170 [ 148.149613][ T72] do_syscall_64+0xc6/0x1e0 [ 148.149613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.149613][ T72] [ 148.151884][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 148.151884][ T72] netdev_get_by_index+0x5e/0x80 [ 148.151884][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.151884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.151884][ T72] addrconf_f6i_alloc+0x315/0x560 [ 148.151884][ T72] ipv6_add_addr+0x411/0x2000 [ 148.151884][ T72] inet6_addr_add+0x30e/0xa40 [ 148.151884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.151884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.151884][ T72] netlink_rcv_skb+0x130/0x360 [ 148.151884][ T72] netlink_unicast+0x449/0x710 [ 148.151884][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.151884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.151884][ T72] ___sys_sendmsg+0xee/0x170 [ 148.151884][ T72] __sys_sendmsg+0xcd/0x170 [ 148.151884][ T72] do_syscall_64+0xc6/0x1e0 [ 148.151884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.151884][ T72] [ 148.154110][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 148.154110][ T72] netdev_get_by_index+0x5e/0x80 [ 148.154110][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.154110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.154110][ T72] ip6_route_add+0x1c/0x140 [ 148.154110][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 148.154110][ T72] addrconf_add_dev+0xe2/0x170 [ 148.154110][ T72] inet6_addr_add+0x12f/0xa40 [ 148.154110][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.154110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.154110][ T72] netlink_rcv_skb+0x130/0x360 [ 148.154110][ T72] netlink_unicast+0x449/0x710 [ 148.154110][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.154110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.154110][ T72] ___sys_sendmsg+0xee/0x170 [ 148.154110][ T72] __sys_sendmsg+0xcd/0x170 [ 148.154110][ T72] do_syscall_64+0xc6/0x1e0 [ 148.154110][ T72] [ 148.156328][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 148.156328][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 148.156328][ T72] ipv6_find_idev+0x102/0x170 [ 148.156328][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.156328][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.156328][ T72] netlink_rcv_skb+0x130/0x360 [ 148.156328][ T72] netlink_unicast+0x449/0x710 [ 148.156328][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.156328][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.156328][ T72] ___sys_sendmsg+0xee/0x170 [ 148.156328][ T72] __sys_sendmsg+0xcd/0x170 [ 148.156328][ T72] do_syscall_64+0xc6/0x1e0 [ 148.156328][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.156328][ T72] [ 148.158067][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 148.158067][ T72] neigh_parms_alloc+0x1e5/0x510 [ 148.158067][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 148.158067][ T72] ipv6_find_idev+0x102/0x170 [ 148.158067][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.158067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.158067][ T72] netlink_rcv_skb+0x130/0x360 [ 148.158067][ T72] netlink_unicast+0x449/0x710 [ 148.158067][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.158067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.158067][ T72] ___sys_sendmsg+0xee/0x170 [ 148.158067][ T72] __sys_sendmsg+0xcd/0x170 [ 148.158067][ T72] do_syscall_64+0xc6/0x1e0 [ 148.158067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.158067][ T72] [ 148.159978][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 148.160304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 148.160304][ T72] dst_init+0x84/0x4a0 [ 148.160304][ T72] dst_alloc+0x97/0x150 [ 148.160304][ T72] ip6_dst_alloc+0x23/0x90 [ 148.160304][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 148.160304][ T72] ip6_pol_route+0x56f/0x840 [ 148.160304][ T72] fib6_rule_lookup+0x456/0x630 [ 148.160304][ T72] ip6_route_input+0x59c/0xa50 [ 148.160304][ T72] ipv6_rcv+0x397/0x810 [ 148.160304][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 148.160304][ T72] process_backlog+0x101/0x620 [ 148.160304][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 148.160304][ T72] net_rx_action+0x495/0xbe0 [ 148.160304][ T72] __do_softirq+0x1b5/0x7f6 [ 148.160304][ T72] [ 148.162149][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 148.162149][ T72] netdev_get_by_index+0x5e/0x80 [ 148.162149][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.162149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.162149][ T72] addrconf_f6i_alloc+0x265/0x560 [ 148.162149][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 148.162149][ T72] addrconf_join_anycast+0x1c0/0x220 [ 148.162149][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 148.162149][ T72] addrconf_dad_completed+0x12b/0xe20 [ 148.162149][ T72] addrconf_dad_begin+0x310/0x670 [ 148.162149][ T72] addrconf_dad_work+0x10b/0xab0 [ 148.162149][ T72] process_one_work+0x84d/0x18a0 [ 148.162149][ T72] worker_thread+0x587/0xd30 [ 148.162149][ T72] kthread+0x28a/0x350 [ 148.162149][ T72] ret_from_fork+0x31/0x70 [ 148.162149][ T72] ret_from_fork_asm+0x1a/0x30 [ 148.162149][ T72] [ 148.164293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 148.164293][ T72] netdev_get_by_index+0x5e/0x80 [ 148.164293][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.164293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.164293][ T72] ip6_route_add+0x1c/0x140 [ 148.164293][ T72] addrconf_prefix_route+0x2a6/0x430 [ 148.164293][ T72] inet6_addr_add+0x4f8/0xa40 [ 148.164293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.164293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.164293][ T72] netlink_rcv_skb+0x130/0x360 [ 148.164293][ T72] netlink_unicast+0x449/0x710 [ 148.164293][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.164293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.164293][ T72] ___sys_sendmsg+0xee/0x170 [ 148.164293][ T72] __sys_sendmsg+0xcd/0x170 [ 148.164293][ T72] do_syscall_64+0xc6/0x1e0 [ 148.164293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.164293][ T72] [ 148.166551][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 148.166551][ T72] netdev_get_by_index+0x5e/0x80 [ 148.166551][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.166551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.166551][ T72] addrconf_f6i_alloc+0x315/0x560 [ 148.166551][ T72] ipv6_add_addr+0x411/0x2000 [ 148.166551][ T72] inet6_addr_add+0x30e/0xa40 [ 148.166551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.166551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.166551][ T72] netlink_rcv_skb+0x130/0x360 [ 148.166551][ T72] netlink_unicast+0x449/0x710 [ 148.166551][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.166551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.166551][ T72] ___sys_sendmsg+0xee/0x170 [ 148.166551][ T72] __sys_sendmsg+0xcd/0x170 [ 148.166551][ T72] do_syscall_64+0xc6/0x1e0 [ 148.166551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.166551][ T72] [ 148.168785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 148.168785][ T72] netdev_get_by_index+0x5e/0x80 [ 148.168785][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.168785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.168785][ T72] ip6_route_add+0x1c/0x140 [ 148.168785][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 148.168785][ T72] addrconf_add_dev+0xe2/0x170 [ 148.168785][ T72] inet6_addr_add+0x12f/0xa40 [ 148.168785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.168785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.168785][ T72] netlink_rcv_skb+0x130/0x360 [ 148.168785][ T72] netlink_unicast+0x449/0x710 [ 148.168785][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.168785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.168785][ T72] ___sys_sendmsg+0xee/0x170 [ 148.168785][ T72] __sys_sendmsg+0xcd/0x170 [ 148.168785][ T72] do_syscall_64+0xc6/0x1e0 [ 148.168785][ T72] [ 148.170995][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 148.170995][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 148.170995][ T72] ipv6_find_idev+0x102/0x170 [ 148.170995][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.170995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.170995][ T72] netlink_rcv_skb+0x130/0x360 [ 148.170995][ T72] netlink_unicast+0x449/0x710 [ 148.170995][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.170995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.170995][ T72] ___sys_sendmsg+0xee/0x170 [ 148.170995][ T72] __sys_sendmsg+0xcd/0x170 [ 148.170995][ T72] do_syscall_64+0xc6/0x1e0 [ 148.170995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.170995][ T72] [ 148.172740][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 148.172740][ T72] neigh_parms_alloc+0x1e5/0x510 [ 148.172740][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 148.172740][ T72] ipv6_find_idev+0x102/0x170 [ 148.172740][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.172740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.172740][ T72] netlink_rcv_skb+0x130/0x360 [ 148.172740][ T72] netlink_unicast+0x449/0x710 [ 148.172740][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.172740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.172740][ T72] ___sys_sendmsg+0xee/0x170 [ 148.172740][ T72] __sys_sendmsg+0xcd/0x170 [ 148.172740][ T72] do_syscall_64+0xc6/0x1e0 [ 148.172740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.172740][ T72] [ 148.174699][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 148.175011][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 148.175011][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 148.175011][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 148.175011][ T72] fib6_nh_init+0xa22/0x1580 [ 148.175011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.175011][ T72] ip6_route_add+0x1c/0x140 [ 148.175011][ T72] inet6_rtm_newroute+0x104/0x110 [ 148.175011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.175011][ T72] netlink_rcv_skb+0x130/0x360 [ 148.175011][ T72] netlink_unicast+0x449/0x710 [ 148.175011][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.175011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.175011][ T72] ___sys_sendmsg+0xee/0x170 [ 148.175011][ T72] __sys_sendmsg+0xcd/0x170 [ 148.175011][ T72] do_syscall_64+0xc6/0x1e0 [ 148.175011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.175011][ T72] [ 148.177349][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 148.177349][ T72] dst_init+0x84/0x4a0 [ 148.177349][ T72] dst_alloc+0x97/0x150 [ 148.177349][ T72] ip6_dst_alloc+0x23/0x90 [ 148.177349][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 148.177349][ T72] ip6_pol_route+0x56f/0x840 [ 148.177349][ T72] fib6_rule_lookup+0x456/0x630 [ 148.177349][ T72] ip6_route_input+0x59c/0xa50 [ 148.177349][ T72] ipv6_rcv+0x397/0x810 [ 148.177349][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 148.177349][ T72] process_backlog+0x101/0x620 [ 148.177349][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 148.177349][ T72] net_rx_action+0x495/0xbe0 [ 148.177349][ T72] __do_softirq+0x1b5/0x7f6 [ 148.177349][ T72] [ 148.179242][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 148.179242][ T72] netdev_get_by_index+0x5e/0x80 [ 148.179242][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.179242][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.179242][ T72] ip6_route_add+0x1c/0x140 [ 148.179242][ T72] addrconf_prefix_route+0x2a6/0x430 [ 148.179242][ T72] inet6_addr_add+0x4f8/0xa40 [ 148.179242][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.179242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.179242][ T72] netlink_rcv_skb+0x130/0x360 [ 148.179242][ T72] netlink_unicast+0x449/0x710 [ 148.179242][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.179242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.179242][ T72] ___sys_sendmsg+0xee/0x170 [ 148.179242][ T72] __sys_sendmsg+0xcd/0x170 [ 148.179242][ T72] do_syscall_64+0xc6/0x1e0 [ 148.179242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.179242][ T72] [ 148.181631][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 148.181631][ T72] netdev_get_by_index+0x5e/0x80 [ 148.181631][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.181631][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.181631][ T72] addrconf_f6i_alloc+0x315/0x560 [ 148.181631][ T72] ipv6_add_addr+0x411/0x2000 [ 148.181631][ T72] inet6_addr_add+0x30e/0xa40 [ 148.181631][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.181631][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.181631][ T72] netlink_rcv_skb+0x130/0x360 [ 148.181631][ T72] netlink_unicast+0x449/0x710 [ 148.181631][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.181631][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.181631][ T72] ___sys_sendmsg+0xee/0x170 [ 148.181631][ T72] __sys_sendmsg+0xcd/0x170 [ 148.181631][ T72] do_syscall_64+0xc6/0x1e0 [ 148.181631][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.181631][ T72] [ 148.183988][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 148.183988][ T72] netdev_get_by_index+0x5e/0x80 [ 148.183988][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.183988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.183988][ T72] ip6_route_add+0x1c/0x140 [ 148.183988][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 148.183988][ T72] addrconf_add_dev+0xe2/0x170 [ 148.183988][ T72] inet6_addr_add+0x12f/0xa40 [ 148.183988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.183988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.183988][ T72] netlink_rcv_skb+0x130/0x360 [ 148.183988][ T72] netlink_unicast+0x449/0x710 [ 148.183988][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.183988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.183988][ T72] ___sys_sendmsg+0xee/0x170 [ 148.183988][ T72] __sys_sendmsg+0xcd/0x170 [ 148.183988][ T72] do_syscall_64+0xc6/0x1e0 [ 148.183988][ T72] [ 148.186295][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 148.186295][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 148.186295][ T72] ipv6_find_idev+0x102/0x170 [ 148.186295][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.186295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.186295][ T72] netlink_rcv_skb+0x130/0x360 [ 148.186295][ T72] netlink_unicast+0x449/0x710 [ 148.186295][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.186295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.186295][ T72] ___sys_sendmsg+0xee/0x170 [ 148.186295][ T72] __sys_sendmsg+0xcd/0x170 [ 148.186295][ T72] do_syscall_64+0xc6/0x1e0 [ 148.186295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.186295][ T72] [ 148.188068][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 148.188068][ T72] neigh_parms_alloc+0x1e5/0x510 [ 148.188068][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 148.188068][ T72] ipv6_find_idev+0x102/0x170 [ 148.188068][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.188068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.188068][ T72] netlink_rcv_skb+0x130/0x360 [ 148.188068][ T72] netlink_unicast+0x449/0x710 [ 148.188068][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.188068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.188068][ T72] ___sys_sendmsg+0xee/0x170 [ 148.188068][ T72] __sys_sendmsg+0xcd/0x170 [ 148.188068][ T72] do_syscall_64+0xc6/0x1e0 [ 148.188068][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.188068][ T72] [ 148.190079][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 148.190386][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 148.190386][ T72] netdev_get_by_index+0x5e/0x80 [ 148.190386][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.190386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.190386][ T72] addrconf_f6i_alloc+0x265/0x560 [ 148.190386][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 148.190386][ T72] addrconf_join_anycast+0x1c0/0x220 [ 148.190386][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 148.190386][ T72] addrconf_dad_completed+0x12b/0xe20 [ 148.190386][ T72] addrconf_dad_begin+0x310/0x670 [ 148.190386][ T72] addrconf_dad_work+0x10b/0xab0 [ 148.190386][ T72] process_one_work+0x84d/0x18a0 [ 148.190386][ T72] worker_thread+0x587/0xd30 [ 148.190386][ T72] kthread+0x28a/0x350 [ 148.190386][ T72] ret_from_fork+0x31/0x70 [ 148.190386][ T72] ret_from_fork_asm+0x1a/0x30 [ 148.190386][ T72] [ 148.192642][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 148.192642][ T72] netdev_get_by_index+0x5e/0x80 [ 148.192642][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.192642][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.192642][ T72] ip6_route_add+0x1c/0x140 [ 148.192642][ T72] addrconf_prefix_route+0x2a6/0x430 [ 148.192642][ T72] inet6_addr_add+0x4f8/0xa40 [ 148.192642][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.192642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.192642][ T72] netlink_rcv_skb+0x130/0x360 [ 148.192642][ T72] netlink_unicast+0x449/0x710 [ 148.192642][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.192642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.192642][ T72] ___sys_sendmsg+0xee/0x170 [ 148.192642][ T72] __sys_sendmsg+0xcd/0x170 [ 148.192642][ T72] do_syscall_64+0xc6/0x1e0 [ 148.192642][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.192642][ T72] [ 148.195005][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 148.195005][ T72] netdev_get_by_index+0x5e/0x80 [ 148.195005][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.195005][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.195005][ T72] addrconf_f6i_alloc+0x315/0x560 [ 148.195005][ T72] ipv6_add_addr+0x411/0x2000 [ 148.195005][ T72] inet6_addr_add+0x30e/0xa40 [ 148.195005][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.195005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.195005][ T72] netlink_rcv_skb+0x130/0x360 [ 148.195005][ T72] netlink_unicast+0x449/0x710 [ 148.195005][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.195005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.195005][ T72] ___sys_sendmsg+0xee/0x170 [ 148.195005][ T72] __sys_sendmsg+0xcd/0x170 [ 148.195005][ T72] do_syscall_64+0xc6/0x1e0 [ 148.195005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.195005][ T72] [ 148.197385][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 148.197385][ T72] netdev_get_by_index+0x5e/0x80 [ 148.197385][ T72] fib6_nh_init+0x3d8/0x1580 [ 148.197385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 148.197385][ T72] ip6_route_add+0x1c/0x140 [ 148.197385][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 148.197385][ T72] addrconf_add_dev+0xe2/0x170 [ 148.197385][ T72] inet6_addr_add+0x12f/0xa40 [ 148.197385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 148.197385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.197385][ T72] netlink_rcv_skb+0x130/0x360 [ 148.197385][ T72] netlink_unicast+0x449/0x710 [ 148.197385][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.197385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.197385][ T72] ___sys_sendmsg+0xee/0x170 [ 148.197385][ T72] __sys_sendmsg+0xcd/0x170 [ 148.197385][ T72] do_syscall_64+0xc6/0x1e0 [ 148.197385][ T72] [ 148.199719][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 148.199719][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 148.199719][ T72] ipv6_find_idev+0x102/0x170 [ 148.199719][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.199719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.199719][ T72] netlink_rcv_skb+0x130/0x360 [ 148.199719][ T72] netlink_unicast+0x449/0x710 [ 148.199719][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.199719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.199719][ T72] ___sys_sendmsg+0xee/0x170 [ 148.199719][ T72] __sys_sendmsg+0xcd/0x170 [ 148.199719][ T72] do_syscall_64+0xc6/0x1e0 [ 148.199719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.199719][ T72] [ 148.201500][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 148.201500][ T72] neigh_parms_alloc+0x1e5/0x510 [ 148.201500][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 148.201500][ T72] ipv6_find_idev+0x102/0x170 [ 148.201500][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.201500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.201500][ T72] netlink_rcv_skb+0x130/0x360 [ 148.201500][ T72] netlink_unicast+0x449/0x710 [ 148.201500][ T72] netlink_sendmsg+0x723/0xbe0 [ 148.201500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 148.201500][ T72] ___sys_sendmsg+0xee/0x170 [ 148.201500][ T72] __sys_sendmsg+0xcd/0x170 [ 148.201500][ T72] do_syscall_64+0xc6/0x1e0 [ 148.201500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.201500][ T72] [ 158.456970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 158.457481][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 158.457481][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 158.457481][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 158.457481][ T72] fib6_nh_init+0xa22/0x1580 [ 158.457481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.457481][ T72] ip6_route_add+0x1c/0x140 [ 158.457481][ T72] inet6_rtm_newroute+0x104/0x110 [ 158.457481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.457481][ T72] netlink_rcv_skb+0x130/0x360 [ 158.457481][ T72] netlink_unicast+0x449/0x710 [ 158.457481][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.457481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.457481][ T72] ___sys_sendmsg+0xee/0x170 [ 158.457481][ T72] __sys_sendmsg+0xcd/0x170 [ 158.457481][ T72] do_syscall_64+0xc6/0x1e0 [ 158.457481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.457481][ T72] [ 158.459635][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 158.459635][ T72] dst_init+0x84/0x4a0 [ 158.459635][ T72] dst_alloc+0x97/0x150 [ 158.459635][ T72] ip6_dst_alloc+0x23/0x90 [ 158.459635][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 158.459635][ T72] ip6_pol_route+0x56f/0x840 [ 158.459635][ T72] fib6_rule_lookup+0x456/0x630 [ 158.459635][ T72] ip6_route_input+0x59c/0xa50 [ 158.459635][ T72] ipv6_rcv+0x397/0x810 [ 158.459635][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 158.459635][ T72] process_backlog+0x101/0x620 [ 158.459635][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 158.459635][ T72] net_rx_action+0x495/0xbe0 [ 158.459635][ T72] __do_softirq+0x1b5/0x7f6 [ 158.459635][ T72] [ 158.461488][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 158.461488][ T72] netdev_get_by_index+0x5e/0x80 [ 158.461488][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.461488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.461488][ T72] ip6_route_add+0x1c/0x140 [ 158.461488][ T72] addrconf_prefix_route+0x2a6/0x430 [ 158.461488][ T72] inet6_addr_add+0x4f8/0xa40 [ 158.461488][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.461488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.461488][ T72] netlink_rcv_skb+0x130/0x360 [ 158.461488][ T72] netlink_unicast+0x449/0x710 [ 158.461488][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.461488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.461488][ T72] ___sys_sendmsg+0xee/0x170 [ 158.461488][ T72] __sys_sendmsg+0xcd/0x170 [ 158.461488][ T72] do_syscall_64+0xc6/0x1e0 [ 158.461488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.461488][ T72] [ 158.463736][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 158.463736][ T72] netdev_get_by_index+0x5e/0x80 [ 158.463736][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.463736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.463736][ T72] addrconf_f6i_alloc+0x315/0x560 [ 158.463736][ T72] ipv6_add_addr+0x411/0x2000 [ 158.463736][ T72] inet6_addr_add+0x30e/0xa40 [ 158.463736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.463736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.463736][ T72] netlink_rcv_skb+0x130/0x360 [ 158.463736][ T72] netlink_unicast+0x449/0x710 [ 158.463736][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.463736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.463736][ T72] ___sys_sendmsg+0xee/0x170 [ 158.463736][ T72] __sys_sendmsg+0xcd/0x170 [ 158.463736][ T72] do_syscall_64+0xc6/0x1e0 [ 158.463736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.463736][ T72] [ 158.465981][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 158.465981][ T72] netdev_get_by_index+0x5e/0x80 [ 158.465981][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.465981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.465981][ T72] ip6_route_add+0x1c/0x140 [ 158.465981][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 158.465981][ T72] addrconf_add_dev+0xe2/0x170 [ 158.465981][ T72] inet6_addr_add+0x12f/0xa40 [ 158.465981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.465981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.465981][ T72] netlink_rcv_skb+0x130/0x360 [ 158.465981][ T72] netlink_unicast+0x449/0x710 [ 158.465981][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.465981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.465981][ T72] ___sys_sendmsg+0xee/0x170 [ 158.465981][ T72] __sys_sendmsg+0xcd/0x170 [ 158.465981][ T72] do_syscall_64+0xc6/0x1e0 [ 158.465981][ T72] [ 158.468167][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 158.468167][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 158.468167][ T72] ipv6_find_idev+0x102/0x170 [ 158.468167][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.468167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.468167][ T72] netlink_rcv_skb+0x130/0x360 [ 158.468167][ T72] netlink_unicast+0x449/0x710 [ 158.468167][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.468167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.468167][ T72] ___sys_sendmsg+0xee/0x170 [ 158.468167][ T72] __sys_sendmsg+0xcd/0x170 [ 158.468167][ T72] do_syscall_64+0xc6/0x1e0 [ 158.468167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.468167][ T72] [ 158.469876][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 158.469876][ T72] neigh_parms_alloc+0x1e5/0x510 [ 158.469876][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 158.469876][ T72] ipv6_find_idev+0x102/0x170 [ 158.469876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.469876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.469876][ T72] netlink_rcv_skb+0x130/0x360 [ 158.469876][ T72] netlink_unicast+0x449/0x710 [ 158.469876][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.469876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.469876][ T72] ___sys_sendmsg+0xee/0x170 [ 158.469876][ T72] __sys_sendmsg+0xcd/0x170 [ 158.469876][ T72] do_syscall_64+0xc6/0x1e0 [ 158.469876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.469876][ T72] [ 158.471771][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 158.472098][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 158.472098][ T72] dst_init+0x84/0x4a0 [ 158.472098][ T72] dst_alloc+0x97/0x150 [ 158.472098][ T72] ip6_dst_alloc+0x23/0x90 [ 158.472098][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 158.472098][ T72] ip6_pol_route+0x56f/0x840 [ 158.472098][ T72] fib6_rule_lookup+0x456/0x630 [ 158.472098][ T72] ip6_route_input+0x59c/0xa50 [ 158.472098][ T72] ipv6_rcv+0x397/0x810 [ 158.472098][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 158.472098][ T72] process_backlog+0x101/0x620 [ 158.472098][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 158.472098][ T72] net_rx_action+0x495/0xbe0 [ 158.472098][ T72] __do_softirq+0x1b5/0x7f6 [ 158.472098][ T72] [ 158.473922][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 158.473922][ T72] netdev_get_by_index+0x5e/0x80 [ 158.473922][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.473922][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.473922][ T72] addrconf_f6i_alloc+0x265/0x560 [ 158.473922][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 158.473922][ T72] addrconf_join_anycast+0x1c0/0x220 [ 158.473922][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 158.473922][ T72] addrconf_dad_completed+0x12b/0xe20 [ 158.473922][ T72] addrconf_dad_begin+0x310/0x670 [ 158.473922][ T72] addrconf_dad_work+0x10b/0xab0 [ 158.473922][ T72] process_one_work+0x84d/0x18a0 [ 158.473922][ T72] worker_thread+0x587/0xd30 [ 158.473922][ T72] kthread+0x28a/0x350 [ 158.473922][ T72] ret_from_fork+0x31/0x70 [ 158.473922][ T72] ret_from_fork_asm+0x1a/0x30 [ 158.473922][ T72] [ 158.476051][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 158.476051][ T72] netdev_get_by_index+0x5e/0x80 [ 158.476051][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.476051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.476051][ T72] ip6_route_add+0x1c/0x140 [ 158.476051][ T72] addrconf_prefix_route+0x2a6/0x430 [ 158.476051][ T72] inet6_addr_add+0x4f8/0xa40 [ 158.476051][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.476051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.476051][ T72] netlink_rcv_skb+0x130/0x360 [ 158.476051][ T72] netlink_unicast+0x449/0x710 [ 158.476051][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.476051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.476051][ T72] ___sys_sendmsg+0xee/0x170 [ 158.476051][ T72] __sys_sendmsg+0xcd/0x170 [ 158.476051][ T72] do_syscall_64+0xc6/0x1e0 [ 158.476051][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.476051][ T72] [ 158.478293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 158.478293][ T72] netdev_get_by_index+0x5e/0x80 [ 158.478293][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.478293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.478293][ T72] addrconf_f6i_alloc+0x315/0x560 [ 158.478293][ T72] ipv6_add_addr+0x411/0x2000 [ 158.478293][ T72] inet6_addr_add+0x30e/0xa40 [ 158.478293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.478293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.478293][ T72] netlink_rcv_skb+0x130/0x360 [ 158.478293][ T72] netlink_unicast+0x449/0x710 [ 158.478293][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.478293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.478293][ T72] ___sys_sendmsg+0xee/0x170 [ 158.478293][ T72] __sys_sendmsg+0xcd/0x170 [ 158.478293][ T72] do_syscall_64+0xc6/0x1e0 [ 158.478293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.478293][ T72] [ 158.480515][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 158.480515][ T72] netdev_get_by_index+0x5e/0x80 [ 158.480515][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.480515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.480515][ T72] ip6_route_add+0x1c/0x140 [ 158.480515][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 158.480515][ T72] addrconf_add_dev+0xe2/0x170 [ 158.480515][ T72] inet6_addr_add+0x12f/0xa40 [ 158.480515][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.480515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.480515][ T72] netlink_rcv_skb+0x130/0x360 [ 158.480515][ T72] netlink_unicast+0x449/0x710 [ 158.480515][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.480515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.480515][ T72] ___sys_sendmsg+0xee/0x170 [ 158.480515][ T72] __sys_sendmsg+0xcd/0x170 [ 158.480515][ T72] do_syscall_64+0xc6/0x1e0 [ 158.480515][ T72] [ 158.482688][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 158.482688][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 158.482688][ T72] ipv6_find_idev+0x102/0x170 [ 158.482688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.482688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.482688][ T72] netlink_rcv_skb+0x130/0x360 [ 158.482688][ T72] netlink_unicast+0x449/0x710 [ 158.482688][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.482688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.482688][ T72] ___sys_sendmsg+0xee/0x170 [ 158.482688][ T72] __sys_sendmsg+0xcd/0x170 [ 158.482688][ T72] do_syscall_64+0xc6/0x1e0 [ 158.482688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.482688][ T72] [ 158.484399][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 158.484399][ T72] neigh_parms_alloc+0x1e5/0x510 [ 158.484399][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 158.484399][ T72] ipv6_find_idev+0x102/0x170 [ 158.484399][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.484399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.484399][ T72] netlink_rcv_skb+0x130/0x360 [ 158.484399][ T72] netlink_unicast+0x449/0x710 [ 158.484399][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.484399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.484399][ T72] ___sys_sendmsg+0xee/0x170 [ 158.484399][ T72] __sys_sendmsg+0xcd/0x170 [ 158.484399][ T72] do_syscall_64+0xc6/0x1e0 [ 158.484399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.484399][ T72] [ 158.486385][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 158.486682][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 158.486682][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 158.486682][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 158.486682][ T72] fib6_nh_init+0xa22/0x1580 [ 158.486682][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.486682][ T72] ip6_route_add+0x1c/0x140 [ 158.486682][ T72] inet6_rtm_newroute+0x104/0x110 [ 158.486682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.486682][ T72] netlink_rcv_skb+0x130/0x360 [ 158.486682][ T72] netlink_unicast+0x449/0x710 [ 158.486682][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.486682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.486682][ T72] ___sys_sendmsg+0xee/0x170 [ 158.486682][ T72] __sys_sendmsg+0xcd/0x170 [ 158.486682][ T72] do_syscall_64+0xc6/0x1e0 [ 158.486682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.486682][ T72] [ 158.489008][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 158.489008][ T72] dst_init+0x84/0x4a0 [ 158.489008][ T72] dst_alloc+0x97/0x150 [ 158.489008][ T72] ip6_dst_alloc+0x23/0x90 [ 158.489008][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 158.489008][ T72] ip6_pol_route+0x56f/0x840 [ 158.489008][ T72] fib6_rule_lookup+0x456/0x630 [ 158.489008][ T72] ip6_route_input+0x59c/0xa50 [ 158.489008][ T72] ipv6_rcv+0x397/0x810 [ 158.489008][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 158.489008][ T72] process_backlog+0x101/0x620 [ 158.489008][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 158.489008][ T72] net_rx_action+0x495/0xbe0 [ 158.489008][ T72] __do_softirq+0x1b5/0x7f6 [ 158.489008][ T72] [ 158.490995][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 158.490995][ T72] netdev_get_by_index+0x5e/0x80 [ 158.490995][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.490995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.490995][ T72] ip6_route_add+0x1c/0x140 [ 158.490995][ T72] addrconf_prefix_route+0x2a6/0x430 [ 158.490995][ T72] inet6_addr_add+0x4f8/0xa40 [ 158.490995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.490995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.490995][ T72] netlink_rcv_skb+0x130/0x360 [ 158.490995][ T72] netlink_unicast+0x449/0x710 [ 158.490995][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.490995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.490995][ T72] ___sys_sendmsg+0xee/0x170 [ 158.490995][ T72] __sys_sendmsg+0xcd/0x170 [ 158.490995][ T72] do_syscall_64+0xc6/0x1e0 [ 158.490995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.490995][ T72] [ 158.493510][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 158.493510][ T72] netdev_get_by_index+0x5e/0x80 [ 158.493510][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.493510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.493510][ T72] addrconf_f6i_alloc+0x315/0x560 [ 158.493510][ T72] ipv6_add_addr+0x411/0x2000 [ 158.493510][ T72] inet6_addr_add+0x30e/0xa40 [ 158.493510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.493510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.493510][ T72] netlink_rcv_skb+0x130/0x360 [ 158.493510][ T72] netlink_unicast+0x449/0x710 [ 158.493510][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.493510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.493510][ T72] ___sys_sendmsg+0xee/0x170 [ 158.493510][ T72] __sys_sendmsg+0xcd/0x170 [ 158.493510][ T72] do_syscall_64+0xc6/0x1e0 [ 158.493510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.493510][ T72] [ 158.495913][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 158.495913][ T72] netdev_get_by_index+0x5e/0x80 [ 158.495913][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.495913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.495913][ T72] ip6_route_add+0x1c/0x140 [ 158.495913][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 158.495913][ T72] addrconf_add_dev+0xe2/0x170 [ 158.495913][ T72] inet6_addr_add+0x12f/0xa40 [ 158.495913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.495913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.495913][ T72] netlink_rcv_skb+0x130/0x360 [ 158.495913][ T72] netlink_unicast+0x449/0x710 [ 158.495913][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.495913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.495913][ T72] ___sys_sendmsg+0xee/0x170 [ 158.495913][ T72] __sys_sendmsg+0xcd/0x170 [ 158.495913][ T72] do_syscall_64+0xc6/0x1e0 [ 158.495913][ T72] [ 158.498341][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 158.498341][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 158.498341][ T72] ipv6_find_idev+0x102/0x170 [ 158.498341][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.498341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.498341][ T72] netlink_rcv_skb+0x130/0x360 [ 158.498341][ T72] netlink_unicast+0x449/0x710 [ 158.498341][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.498341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.498341][ T72] ___sys_sendmsg+0xee/0x170 [ 158.498341][ T72] __sys_sendmsg+0xcd/0x170 [ 158.498341][ T72] do_syscall_64+0xc6/0x1e0 [ 158.498341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.498341][ T72] [ 158.500246][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 158.500246][ T72] neigh_parms_alloc+0x1e5/0x510 [ 158.500246][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 158.500246][ T72] ipv6_find_idev+0x102/0x170 [ 158.500246][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.500246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.500246][ T72] netlink_rcv_skb+0x130/0x360 [ 158.500246][ T72] netlink_unicast+0x449/0x710 [ 158.500246][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.500246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.500246][ T72] ___sys_sendmsg+0xee/0x170 [ 158.500246][ T72] __sys_sendmsg+0xcd/0x170 [ 158.500246][ T72] do_syscall_64+0xc6/0x1e0 [ 158.500246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.500246][ T72] [ 158.502736][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 158.503472][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 158.503472][ T72] netdev_get_by_index+0x5e/0x80 [ 158.503472][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.503472][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.503472][ T72] addrconf_f6i_alloc+0x265/0x560 [ 158.503472][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 158.503472][ T72] addrconf_join_anycast+0x1c0/0x220 [ 158.503472][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 158.503472][ T72] addrconf_dad_completed+0x12b/0xe20 [ 158.503472][ T72] addrconf_dad_begin+0x310/0x670 [ 158.503472][ T72] addrconf_dad_work+0x10b/0xab0 [ 158.503472][ T72] process_one_work+0x84d/0x18a0 [ 158.503472][ T72] worker_thread+0x587/0xd30 [ 158.503472][ T72] kthread+0x28a/0x350 [ 158.503472][ T72] ret_from_fork+0x31/0x70 [ 158.503472][ T72] ret_from_fork_asm+0x1a/0x30 [ 158.503472][ T72] [ 158.505596][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 158.505596][ T72] netdev_get_by_index+0x5e/0x80 [ 158.505596][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.505596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.505596][ T72] ip6_route_add+0x1c/0x140 [ 158.505596][ T72] addrconf_prefix_route+0x2a6/0x430 [ 158.505596][ T72] inet6_addr_add+0x4f8/0xa40 [ 158.505596][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.505596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.505596][ T72] netlink_rcv_skb+0x130/0x360 [ 158.505596][ T72] netlink_unicast+0x449/0x710 [ 158.505596][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.505596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.505596][ T72] ___sys_sendmsg+0xee/0x170 [ 158.505596][ T72] __sys_sendmsg+0xcd/0x170 [ 158.505596][ T72] do_syscall_64+0xc6/0x1e0 [ 158.505596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.505596][ T72] [ 158.507827][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 158.507827][ T72] netdev_get_by_index+0x5e/0x80 [ 158.507827][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.507827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.507827][ T72] addrconf_f6i_alloc+0x315/0x560 [ 158.507827][ T72] ipv6_add_addr+0x411/0x2000 [ 158.507827][ T72] inet6_addr_add+0x30e/0xa40 [ 158.507827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.507827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.507827][ T72] netlink_rcv_skb+0x130/0x360 [ 158.507827][ T72] netlink_unicast+0x449/0x710 [ 158.507827][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.507827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.507827][ T72] ___sys_sendmsg+0xee/0x170 [ 158.507827][ T72] __sys_sendmsg+0xcd/0x170 [ 158.507827][ T72] do_syscall_64+0xc6/0x1e0 [ 158.507827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.507827][ T72] [ 158.510043][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 158.510043][ T72] netdev_get_by_index+0x5e/0x80 [ 158.510043][ T72] fib6_nh_init+0x3d8/0x1580 [ 158.510043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 158.510043][ T72] ip6_route_add+0x1c/0x140 [ 158.510043][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 158.510043][ T72] addrconf_add_dev+0xe2/0x170 [ 158.510043][ T72] inet6_addr_add+0x12f/0xa40 [ 158.510043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 158.510043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.510043][ T72] netlink_rcv_skb+0x130/0x360 [ 158.510043][ T72] netlink_unicast+0x449/0x710 [ 158.510043][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.510043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.510043][ T72] ___sys_sendmsg+0xee/0x170 [ 158.510043][ T72] __sys_sendmsg+0xcd/0x170 [ 158.510043][ T72] do_syscall_64+0xc6/0x1e0 [ 158.510043][ T72] [ 158.512476][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 158.512476][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 158.512476][ T72] ipv6_find_idev+0x102/0x170 [ 158.512476][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.512476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.512476][ T72] netlink_rcv_skb+0x130/0x360 [ 158.512476][ T72] netlink_unicast+0x449/0x710 [ 158.512476][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.512476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.512476][ T72] ___sys_sendmsg+0xee/0x170 [ 158.512476][ T72] __sys_sendmsg+0xcd/0x170 [ 158.512476][ T72] do_syscall_64+0xc6/0x1e0 [ 158.512476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.512476][ T72] [ 158.514449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 158.514449][ T72] neigh_parms_alloc+0x1e5/0x510 [ 158.514449][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 158.514449][ T72] ipv6_find_idev+0x102/0x170 [ 158.514449][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.514449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.514449][ T72] netlink_rcv_skb+0x130/0x360 [ 158.514449][ T72] netlink_unicast+0x449/0x710 [ 158.514449][ T72] netlink_sendmsg+0x723/0xbe0 [ 158.514449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 158.514449][ T72] ___sys_sendmsg+0xee/0x170 [ 158.514449][ T72] __sys_sendmsg+0xcd/0x170 [ 158.514449][ T72] do_syscall_64+0xc6/0x1e0 [ 158.514449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.514449][ T72] [ 168.768924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 168.769437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 168.769437][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 168.769437][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 168.769437][ T72] fib6_nh_init+0xa22/0x1580 [ 168.769437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.769437][ T72] ip6_route_add+0x1c/0x140 [ 168.769437][ T72] inet6_rtm_newroute+0x104/0x110 [ 168.769437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.769437][ T72] netlink_rcv_skb+0x130/0x360 [ 168.769437][ T72] netlink_unicast+0x449/0x710 [ 168.769437][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.769437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.769437][ T72] ___sys_sendmsg+0xee/0x170 [ 168.769437][ T72] __sys_sendmsg+0xcd/0x170 [ 168.769437][ T72] do_syscall_64+0xc6/0x1e0 [ 168.769437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.769437][ T72] [ 168.771900][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 168.771900][ T72] dst_init+0x84/0x4a0 [ 168.771900][ T72] dst_alloc+0x97/0x150 [ 168.771900][ T72] ip6_dst_alloc+0x23/0x90 [ 168.771900][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 168.771900][ T72] ip6_pol_route+0x56f/0x840 [ 168.771900][ T72] fib6_rule_lookup+0x456/0x630 [ 168.771900][ T72] ip6_route_input+0x59c/0xa50 [ 168.771900][ T72] ipv6_rcv+0x397/0x810 [ 168.771900][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 168.771900][ T72] process_backlog+0x101/0x620 [ 168.771900][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 168.771900][ T72] net_rx_action+0x495/0xbe0 [ 168.771900][ T72] __do_softirq+0x1b5/0x7f6 [ 168.771900][ T72] [ 168.774018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 168.774018][ T72] netdev_get_by_index+0x5e/0x80 [ 168.774018][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.774018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.774018][ T72] ip6_route_add+0x1c/0x140 [ 168.774018][ T72] addrconf_prefix_route+0x2a6/0x430 [ 168.774018][ T72] inet6_addr_add+0x4f8/0xa40 [ 168.774018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.774018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.774018][ T72] netlink_rcv_skb+0x130/0x360 [ 168.774018][ T72] netlink_unicast+0x449/0x710 [ 168.774018][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.774018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.774018][ T72] ___sys_sendmsg+0xee/0x170 [ 168.774018][ T72] __sys_sendmsg+0xcd/0x170 [ 168.774018][ T72] do_syscall_64+0xc6/0x1e0 [ 168.774018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.774018][ T72] [ 168.776614][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 168.776614][ T72] netdev_get_by_index+0x5e/0x80 [ 168.776614][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.776614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.776614][ T72] addrconf_f6i_alloc+0x315/0x560 [ 168.776614][ T72] ipv6_add_addr+0x411/0x2000 [ 168.776614][ T72] inet6_addr_add+0x30e/0xa40 [ 168.776614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.776614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.776614][ T72] netlink_rcv_skb+0x130/0x360 [ 168.776614][ T72] netlink_unicast+0x449/0x710 [ 168.776614][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.776614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.776614][ T72] ___sys_sendmsg+0xee/0x170 [ 168.776614][ T72] __sys_sendmsg+0xcd/0x170 [ 168.776614][ T72] do_syscall_64+0xc6/0x1e0 [ 168.776614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.776614][ T72] [ 168.779214][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 168.779214][ T72] netdev_get_by_index+0x5e/0x80 [ 168.779214][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.779214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.779214][ T72] ip6_route_add+0x1c/0x140 [ 168.779214][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 168.779214][ T72] addrconf_add_dev+0xe2/0x170 [ 168.779214][ T72] inet6_addr_add+0x12f/0xa40 [ 168.779214][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.779214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.779214][ T72] netlink_rcv_skb+0x130/0x360 [ 168.779214][ T72] netlink_unicast+0x449/0x710 [ 168.779214][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.779214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.779214][ T72] ___sys_sendmsg+0xee/0x170 [ 168.779214][ T72] __sys_sendmsg+0xcd/0x170 [ 168.779214][ T72] do_syscall_64+0xc6/0x1e0 [ 168.779214][ T72] [ 168.781726][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 168.781726][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 168.781726][ T72] ipv6_find_idev+0x102/0x170 [ 168.781726][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.781726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.781726][ T72] netlink_rcv_skb+0x130/0x360 [ 168.781726][ T72] netlink_unicast+0x449/0x710 [ 168.781726][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.781726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.781726][ T72] ___sys_sendmsg+0xee/0x170 [ 168.781726][ T72] __sys_sendmsg+0xcd/0x170 [ 168.781726][ T72] do_syscall_64+0xc6/0x1e0 [ 168.781726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.781726][ T72] [ 168.783704][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 168.783704][ T72] neigh_parms_alloc+0x1e5/0x510 [ 168.783704][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 168.783704][ T72] ipv6_find_idev+0x102/0x170 [ 168.783704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.783704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.783704][ T72] netlink_rcv_skb+0x130/0x360 [ 168.783704][ T72] netlink_unicast+0x449/0x710 [ 168.783704][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.783704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.783704][ T72] ___sys_sendmsg+0xee/0x170 [ 168.783704][ T72] __sys_sendmsg+0xcd/0x170 [ 168.783704][ T72] do_syscall_64+0xc6/0x1e0 [ 168.783704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.783704][ T72] [ 168.785901][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 168.786235][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 168.786235][ T72] dst_init+0x84/0x4a0 [ 168.786235][ T72] dst_alloc+0x97/0x150 [ 168.786235][ T72] ip6_dst_alloc+0x23/0x90 [ 168.786235][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 168.786235][ T72] ip6_pol_route+0x56f/0x840 [ 168.786235][ T72] fib6_rule_lookup+0x456/0x630 [ 168.786235][ T72] ip6_route_input+0x59c/0xa50 [ 168.786235][ T72] ipv6_rcv+0x397/0x810 [ 168.786235][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 168.786235][ T72] process_backlog+0x101/0x620 [ 168.786235][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 168.786235][ T72] net_rx_action+0x495/0xbe0 [ 168.786235][ T72] __do_softirq+0x1b5/0x7f6 [ 168.786235][ T72] [ 168.788366][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 168.788366][ T72] netdev_get_by_index+0x5e/0x80 [ 168.788366][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.788366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.788366][ T72] addrconf_f6i_alloc+0x265/0x560 [ 168.788366][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 168.788366][ T72] addrconf_join_anycast+0x1c0/0x220 [ 168.788366][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 168.788366][ T72] addrconf_dad_completed+0x12b/0xe20 [ 168.788366][ T72] addrconf_dad_begin+0x310/0x670 [ 168.788366][ T72] addrconf_dad_work+0x10b/0xab0 [ 168.788366][ T72] process_one_work+0x84d/0x18a0 [ 168.788366][ T72] worker_thread+0x587/0xd30 [ 168.788366][ T72] kthread+0x28a/0x350 [ 168.788366][ T72] ret_from_fork+0x31/0x70 [ 168.788366][ T72] ret_from_fork_asm+0x1a/0x30 [ 168.788366][ T72] [ 168.790851][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 168.790851][ T72] netdev_get_by_index+0x5e/0x80 [ 168.790851][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.790851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.790851][ T72] ip6_route_add+0x1c/0x140 [ 168.790851][ T72] addrconf_prefix_route+0x2a6/0x430 [ 168.790851][ T72] inet6_addr_add+0x4f8/0xa40 [ 168.790851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.790851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.790851][ T72] netlink_rcv_skb+0x130/0x360 [ 168.790851][ T72] netlink_unicast+0x449/0x710 [ 168.790851][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.790851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.790851][ T72] ___sys_sendmsg+0xee/0x170 [ 168.790851][ T72] __sys_sendmsg+0xcd/0x170 [ 168.790851][ T72] do_syscall_64+0xc6/0x1e0 [ 168.790851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.790851][ T72] [ 168.793407][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 168.793407][ T72] netdev_get_by_index+0x5e/0x80 [ 168.793407][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.793407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.793407][ T72] addrconf_f6i_alloc+0x315/0x560 [ 168.793407][ T72] ipv6_add_addr+0x411/0x2000 [ 168.793407][ T72] inet6_addr_add+0x30e/0xa40 [ 168.793407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.793407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.793407][ T72] netlink_rcv_skb+0x130/0x360 [ 168.793407][ T72] netlink_unicast+0x449/0x710 [ 168.793407][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.793407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.793407][ T72] ___sys_sendmsg+0xee/0x170 [ 168.793407][ T72] __sys_sendmsg+0xcd/0x170 [ 168.793407][ T72] do_syscall_64+0xc6/0x1e0 [ 168.793407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.793407][ T72] [ 168.795944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 168.795944][ T72] netdev_get_by_index+0x5e/0x80 [ 168.795944][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.795944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.795944][ T72] ip6_route_add+0x1c/0x140 [ 168.795944][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 168.795944][ T72] addrconf_add_dev+0xe2/0x170 [ 168.795944][ T72] inet6_addr_add+0x12f/0xa40 [ 168.795944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.795944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.795944][ T72] netlink_rcv_skb+0x130/0x360 [ 168.795944][ T72] netlink_unicast+0x449/0x710 [ 168.795944][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.795944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.795944][ T72] ___sys_sendmsg+0xee/0x170 [ 168.795944][ T72] __sys_sendmsg+0xcd/0x170 [ 168.795944][ T72] do_syscall_64+0xc6/0x1e0 [ 168.795944][ T72] [ 168.798448][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 168.798448][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 168.798448][ T72] ipv6_find_idev+0x102/0x170 [ 168.798448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.798448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.798448][ T72] netlink_rcv_skb+0x130/0x360 [ 168.798448][ T72] netlink_unicast+0x449/0x710 [ 168.798448][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.798448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.798448][ T72] ___sys_sendmsg+0xee/0x170 [ 168.798448][ T72] __sys_sendmsg+0xcd/0x170 [ 168.798448][ T72] do_syscall_64+0xc6/0x1e0 [ 168.798448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.798448][ T72] [ 168.800410][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 168.800410][ T72] neigh_parms_alloc+0x1e5/0x510 [ 168.800410][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 168.800410][ T72] ipv6_find_idev+0x102/0x170 [ 168.800410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.800410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.800410][ T72] netlink_rcv_skb+0x130/0x360 [ 168.800410][ T72] netlink_unicast+0x449/0x710 [ 168.800410][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.800410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.800410][ T72] ___sys_sendmsg+0xee/0x170 [ 168.800410][ T72] __sys_sendmsg+0xcd/0x170 [ 168.800410][ T72] do_syscall_64+0xc6/0x1e0 [ 168.800410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.800410][ T72] [ 168.802706][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 168.803058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 168.803058][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 168.803058][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 168.803058][ T72] fib6_nh_init+0xa22/0x1580 [ 168.803058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.803058][ T72] ip6_route_add+0x1c/0x140 [ 168.803058][ T72] inet6_rtm_newroute+0x104/0x110 [ 168.803058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.803058][ T72] netlink_rcv_skb+0x130/0x360 [ 168.803058][ T72] netlink_unicast+0x449/0x710 [ 168.803058][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.803058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.803058][ T72] ___sys_sendmsg+0xee/0x170 [ 168.803058][ T72] __sys_sendmsg+0xcd/0x170 [ 168.803058][ T72] do_syscall_64+0xc6/0x1e0 [ 168.803058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.803058][ T72] [ 168.805771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 168.805771][ T72] dst_init+0x84/0x4a0 [ 168.805771][ T72] dst_alloc+0x97/0x150 [ 168.805771][ T72] ip6_dst_alloc+0x23/0x90 [ 168.805771][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 168.805771][ T72] ip6_pol_route+0x56f/0x840 [ 168.805771][ T72] fib6_rule_lookup+0x456/0x630 [ 168.805771][ T72] ip6_route_input+0x59c/0xa50 [ 168.805771][ T72] ipv6_rcv+0x397/0x810 [ 168.805771][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 168.805771][ T72] process_backlog+0x101/0x620 [ 168.805771][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 168.805771][ T72] net_rx_action+0x495/0xbe0 [ 168.805771][ T72] __do_softirq+0x1b5/0x7f6 [ 168.805771][ T72] [ 168.808052][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 168.808052][ T72] netdev_get_by_index+0x5e/0x80 [ 168.808052][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.808052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.808052][ T72] ip6_route_add+0x1c/0x140 [ 168.808052][ T72] addrconf_prefix_route+0x2a6/0x430 [ 168.808052][ T72] inet6_addr_add+0x4f8/0xa40 [ 168.808052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.808052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.808052][ T72] netlink_rcv_skb+0x130/0x360 [ 168.808052][ T72] netlink_unicast+0x449/0x710 [ 168.808052][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.808052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.808052][ T72] ___sys_sendmsg+0xee/0x170 [ 168.808052][ T72] __sys_sendmsg+0xcd/0x170 [ 168.808052][ T72] do_syscall_64+0xc6/0x1e0 [ 168.808052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.808052][ T72] [ 168.810829][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 168.810829][ T72] netdev_get_by_index+0x5e/0x80 [ 168.810829][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.810829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.810829][ T72] addrconf_f6i_alloc+0x315/0x560 [ 168.810829][ T72] ipv6_add_addr+0x411/0x2000 [ 168.810829][ T72] inet6_addr_add+0x30e/0xa40 [ 168.810829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.810829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.810829][ T72] netlink_rcv_skb+0x130/0x360 [ 168.810829][ T72] netlink_unicast+0x449/0x710 [ 168.810829][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.810829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.810829][ T72] ___sys_sendmsg+0xee/0x170 [ 168.810829][ T72] __sys_sendmsg+0xcd/0x170 [ 168.810829][ T72] do_syscall_64+0xc6/0x1e0 [ 168.810829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.810829][ T72] [ 168.813564][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 168.813564][ T72] netdev_get_by_index+0x5e/0x80 [ 168.813564][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.813564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.813564][ T72] ip6_route_add+0x1c/0x140 [ 168.813564][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 168.813564][ T72] addrconf_add_dev+0xe2/0x170 [ 168.813564][ T72] inet6_addr_add+0x12f/0xa40 [ 168.813564][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.813564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.813564][ T72] netlink_rcv_skb+0x130/0x360 [ 168.813564][ T72] netlink_unicast+0x449/0x710 [ 168.813564][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.813564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.813564][ T72] ___sys_sendmsg+0xee/0x170 [ 168.813564][ T72] __sys_sendmsg+0xcd/0x170 [ 168.813564][ T72] do_syscall_64+0xc6/0x1e0 [ 168.813564][ T72] [ 168.816299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 168.816299][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 168.816299][ T72] ipv6_find_idev+0x102/0x170 [ 168.816299][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.816299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.816299][ T72] netlink_rcv_skb+0x130/0x360 [ 168.816299][ T72] netlink_unicast+0x449/0x710 [ 168.816299][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.816299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.816299][ T72] ___sys_sendmsg+0xee/0x170 [ 168.816299][ T72] __sys_sendmsg+0xcd/0x170 [ 168.816299][ T72] do_syscall_64+0xc6/0x1e0 [ 168.816299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.816299][ T72] [ 168.818428][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 168.818428][ T72] neigh_parms_alloc+0x1e5/0x510 [ 168.818428][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 168.818428][ T72] ipv6_find_idev+0x102/0x170 [ 168.818428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.818428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.818428][ T72] netlink_rcv_skb+0x130/0x360 [ 168.818428][ T72] netlink_unicast+0x449/0x710 [ 168.818428][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.818428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.818428][ T72] ___sys_sendmsg+0xee/0x170 [ 168.818428][ T72] __sys_sendmsg+0xcd/0x170 [ 168.818428][ T72] do_syscall_64+0xc6/0x1e0 [ 168.818428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.818428][ T72] [ 168.820708][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 168.821571][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 168.821571][ T72] netdev_get_by_index+0x5e/0x80 [ 168.821571][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.821571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.821571][ T72] addrconf_f6i_alloc+0x265/0x560 [ 168.821571][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 168.821571][ T72] addrconf_join_anycast+0x1c0/0x220 [ 168.821571][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 168.821571][ T72] addrconf_dad_completed+0x12b/0xe20 [ 168.821571][ T72] addrconf_dad_begin+0x310/0x670 [ 168.821571][ T72] addrconf_dad_work+0x10b/0xab0 [ 168.821571][ T72] process_one_work+0x84d/0x18a0 [ 168.821571][ T72] worker_thread+0x587/0xd30 [ 168.821571][ T72] kthread+0x28a/0x350 [ 168.821571][ T72] ret_from_fork+0x31/0x70 [ 168.821571][ T72] ret_from_fork_asm+0x1a/0x30 [ 168.821571][ T72] [ 168.823997][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 168.823997][ T72] netdev_get_by_index+0x5e/0x80 [ 168.823997][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.823997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.823997][ T72] ip6_route_add+0x1c/0x140 [ 168.823997][ T72] addrconf_prefix_route+0x2a6/0x430 [ 168.823997][ T72] inet6_addr_add+0x4f8/0xa40 [ 168.823997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.823997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.823997][ T72] netlink_rcv_skb+0x130/0x360 [ 168.823997][ T72] netlink_unicast+0x449/0x710 [ 168.823997][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.823997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.823997][ T72] ___sys_sendmsg+0xee/0x170 [ 168.823997][ T72] __sys_sendmsg+0xcd/0x170 [ 168.823997][ T72] do_syscall_64+0xc6/0x1e0 [ 168.823997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.823997][ T72] [ 168.826567][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 168.826567][ T72] netdev_get_by_index+0x5e/0x80 [ 168.826567][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.826567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.826567][ T72] addrconf_f6i_alloc+0x315/0x560 [ 168.826567][ T72] ipv6_add_addr+0x411/0x2000 [ 168.826567][ T72] inet6_addr_add+0x30e/0xa40 [ 168.826567][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.826567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.826567][ T72] netlink_rcv_skb+0x130/0x360 [ 168.826567][ T72] netlink_unicast+0x449/0x710 [ 168.826567][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.826567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.826567][ T72] ___sys_sendmsg+0xee/0x170 [ 168.826567][ T72] __sys_sendmsg+0xcd/0x170 [ 168.826567][ T72] do_syscall_64+0xc6/0x1e0 [ 168.826567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.826567][ T72] [ 168.829367][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 168.829367][ T72] netdev_get_by_index+0x5e/0x80 [ 168.829367][ T72] fib6_nh_init+0x3d8/0x1580 [ 168.829367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 168.829367][ T72] ip6_route_add+0x1c/0x140 [ 168.829367][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 168.829367][ T72] addrconf_add_dev+0xe2/0x170 [ 168.829367][ T72] inet6_addr_add+0x12f/0xa40 [ 168.829367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 168.829367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.829367][ T72] netlink_rcv_skb+0x130/0x360 [ 168.829367][ T72] netlink_unicast+0x449/0x710 [ 168.829367][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.829367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.829367][ T72] ___sys_sendmsg+0xee/0x170 [ 168.829367][ T72] __sys_sendmsg+0xcd/0x170 [ 168.829367][ T72] do_syscall_64+0xc6/0x1e0 [ 168.829367][ T72] [ 168.832174][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 168.832174][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 168.832174][ T72] ipv6_find_idev+0x102/0x170 [ 168.832174][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.832174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.832174][ T72] netlink_rcv_skb+0x130/0x360 [ 168.832174][ T72] netlink_unicast+0x449/0x710 [ 168.832174][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.832174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.832174][ T72] ___sys_sendmsg+0xee/0x170 [ 168.832174][ T72] __sys_sendmsg+0xcd/0x170 [ 168.832174][ T72] do_syscall_64+0xc6/0x1e0 [ 168.832174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.832174][ T72] [ 168.834258][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 168.834258][ T72] neigh_parms_alloc+0x1e5/0x510 [ 168.834258][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 168.834258][ T72] ipv6_find_idev+0x102/0x170 [ 168.834258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.834258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.834258][ T72] netlink_rcv_skb+0x130/0x360 [ 168.834258][ T72] netlink_unicast+0x449/0x710 [ 168.834258][ T72] netlink_sendmsg+0x723/0xbe0 [ 168.834258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 168.834258][ T72] ___sys_sendmsg+0xee/0x170 [ 168.834258][ T72] __sys_sendmsg+0xcd/0x170 [ 168.834258][ T72] do_syscall_64+0xc6/0x1e0 [ 168.834258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.834258][ T72] [ 179.088925][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 179.089773][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 179.089773][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 179.089773][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 179.089773][ T72] fib6_nh_init+0xa22/0x1580 [ 179.089773][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.089773][ T72] ip6_route_add+0x1c/0x140 [ 179.089773][ T72] inet6_rtm_newroute+0x104/0x110 [ 179.089773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.089773][ T72] netlink_rcv_skb+0x130/0x360 [ 179.089773][ T72] netlink_unicast+0x449/0x710 [ 179.089773][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.089773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.089773][ T72] ___sys_sendmsg+0xee/0x170 [ 179.089773][ T72] __sys_sendmsg+0xcd/0x170 [ 179.089773][ T72] do_syscall_64+0xc6/0x1e0 [ 179.089773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.089773][ T72] [ 179.091753][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 179.091753][ T72] dst_init+0x84/0x4a0 [ 179.091753][ T72] dst_alloc+0x97/0x150 [ 179.091753][ T72] ip6_dst_alloc+0x23/0x90 [ 179.091753][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 179.091753][ T72] ip6_pol_route+0x56f/0x840 [ 179.091753][ T72] fib6_rule_lookup+0x456/0x630 [ 179.091753][ T72] ip6_route_input+0x59c/0xa50 [ 179.091753][ T72] ipv6_rcv+0x397/0x810 [ 179.091753][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 179.091753][ T72] process_backlog+0x101/0x620 [ 179.091753][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 179.091753][ T72] net_rx_action+0x495/0xbe0 [ 179.091753][ T72] __do_softirq+0x1b5/0x7f6 [ 179.091753][ T72] [ 179.093474][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 179.093474][ T72] netdev_get_by_index+0x5e/0x80 [ 179.093474][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.093474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.093474][ T72] ip6_route_add+0x1c/0x140 [ 179.093474][ T72] addrconf_prefix_route+0x2a6/0x430 [ 179.093474][ T72] inet6_addr_add+0x4f8/0xa40 [ 179.093474][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.093474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.093474][ T72] netlink_rcv_skb+0x130/0x360 [ 179.093474][ T72] netlink_unicast+0x449/0x710 [ 179.093474][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.093474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.093474][ T72] ___sys_sendmsg+0xee/0x170 [ 179.093474][ T72] __sys_sendmsg+0xcd/0x170 [ 179.093474][ T72] do_syscall_64+0xc6/0x1e0 [ 179.093474][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.093474][ T72] [ 179.095554][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 179.095554][ T72] netdev_get_by_index+0x5e/0x80 [ 179.095554][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.095554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.095554][ T72] addrconf_f6i_alloc+0x315/0x560 [ 179.095554][ T72] ipv6_add_addr+0x411/0x2000 [ 179.095554][ T72] inet6_addr_add+0x30e/0xa40 [ 179.095554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.095554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.095554][ T72] netlink_rcv_skb+0x130/0x360 [ 179.095554][ T72] netlink_unicast+0x449/0x710 [ 179.095554][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.095554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.095554][ T72] ___sys_sendmsg+0xee/0x170 [ 179.095554][ T72] __sys_sendmsg+0xcd/0x170 [ 179.095554][ T72] do_syscall_64+0xc6/0x1e0 [ 179.095554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.095554][ T72] [ 179.097660][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 179.097660][ T72] netdev_get_by_index+0x5e/0x80 [ 179.097660][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.097660][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.097660][ T72] ip6_route_add+0x1c/0x140 [ 179.097660][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 179.097660][ T72] addrconf_add_dev+0xe2/0x170 [ 179.097660][ T72] inet6_addr_add+0x12f/0xa40 [ 179.097660][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.097660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.097660][ T72] netlink_rcv_skb+0x130/0x360 [ 179.097660][ T72] netlink_unicast+0x449/0x710 [ 179.097660][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.097660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.097660][ T72] ___sys_sendmsg+0xee/0x170 [ 179.097660][ T72] __sys_sendmsg+0xcd/0x170 [ 179.097660][ T72] do_syscall_64+0xc6/0x1e0 [ 179.097660][ T72] [ 179.099698][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 179.099698][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 179.099698][ T72] ipv6_find_idev+0x102/0x170 [ 179.099698][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.099698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.099698][ T72] netlink_rcv_skb+0x130/0x360 [ 179.099698][ T72] netlink_unicast+0x449/0x710 [ 179.099698][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.099698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.099698][ T72] ___sys_sendmsg+0xee/0x170 [ 179.099698][ T72] __sys_sendmsg+0xcd/0x170 [ 179.099698][ T72] do_syscall_64+0xc6/0x1e0 [ 179.099698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.099698][ T72] [ 179.101308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 179.101308][ T72] neigh_parms_alloc+0x1e5/0x510 [ 179.101308][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 179.101308][ T72] ipv6_find_idev+0x102/0x170 [ 179.101308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.101308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.101308][ T72] netlink_rcv_skb+0x130/0x360 [ 179.101308][ T72] netlink_unicast+0x449/0x710 [ 179.101308][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.101308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.101308][ T72] ___sys_sendmsg+0xee/0x170 [ 179.101308][ T72] __sys_sendmsg+0xcd/0x170 [ 179.101308][ T72] do_syscall_64+0xc6/0x1e0 [ 179.101308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.101308][ T72] [ 179.103155][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 179.103449][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 179.103449][ T72] dst_init+0x84/0x4a0 [ 179.103449][ T72] dst_alloc+0x97/0x150 [ 179.103449][ T72] ip6_dst_alloc+0x23/0x90 [ 179.103449][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 179.103449][ T72] ip6_pol_route+0x56f/0x840 [ 179.103449][ T72] fib6_rule_lookup+0x456/0x630 [ 179.103449][ T72] ip6_route_input+0x59c/0xa50 [ 179.103449][ T72] ipv6_rcv+0x397/0x810 [ 179.103449][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 179.103449][ T72] process_backlog+0x101/0x620 [ 179.103449][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 179.103449][ T72] net_rx_action+0x495/0xbe0 [ 179.103449][ T72] __do_softirq+0x1b5/0x7f6 [ 179.103449][ T72] [ 179.105190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 179.105190][ T72] netdev_get_by_index+0x5e/0x80 [ 179.105190][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.105190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.105190][ T72] addrconf_f6i_alloc+0x265/0x560 [ 179.105190][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 179.105190][ T72] addrconf_join_anycast+0x1c0/0x220 [ 179.105190][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 179.105190][ T72] addrconf_dad_completed+0x12b/0xe20 [ 179.105190][ T72] addrconf_dad_begin+0x310/0x670 [ 179.105190][ T72] addrconf_dad_work+0x10b/0xab0 [ 179.105190][ T72] process_one_work+0x84d/0x18a0 [ 179.105190][ T72] worker_thread+0x587/0xd30 [ 179.105190][ T72] kthread+0x28a/0x350 [ 179.105190][ T72] ret_from_fork+0x31/0x70 [ 179.105190][ T72] ret_from_fork_asm+0x1a/0x30 [ 179.105190][ T72] [ 179.107205][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 179.107205][ T72] netdev_get_by_index+0x5e/0x80 [ 179.107205][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.107205][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.107205][ T72] ip6_route_add+0x1c/0x140 [ 179.107205][ T72] addrconf_prefix_route+0x2a6/0x430 [ 179.107205][ T72] inet6_addr_add+0x4f8/0xa40 [ 179.107205][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.107205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.107205][ T72] netlink_rcv_skb+0x130/0x360 [ 179.107205][ T72] netlink_unicast+0x449/0x710 [ 179.107205][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.107205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.107205][ T72] ___sys_sendmsg+0xee/0x170 [ 179.107205][ T72] __sys_sendmsg+0xcd/0x170 [ 179.107205][ T72] do_syscall_64+0xc6/0x1e0 [ 179.107205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.107205][ T72] [ 179.109309][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 179.109309][ T72] netdev_get_by_index+0x5e/0x80 [ 179.109309][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.109309][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.109309][ T72] addrconf_f6i_alloc+0x315/0x560 [ 179.109309][ T72] ipv6_add_addr+0x411/0x2000 [ 179.109309][ T72] inet6_addr_add+0x30e/0xa40 [ 179.109309][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.109309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.109309][ T72] netlink_rcv_skb+0x130/0x360 [ 179.109309][ T72] netlink_unicast+0x449/0x710 [ 179.109309][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.109309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.109309][ T72] ___sys_sendmsg+0xee/0x170 [ 179.109309][ T72] __sys_sendmsg+0xcd/0x170 [ 179.109309][ T72] do_syscall_64+0xc6/0x1e0 [ 179.109309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.109309][ T72] [ 179.111423][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 179.111423][ T72] netdev_get_by_index+0x5e/0x80 [ 179.111423][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.111423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.111423][ T72] ip6_route_add+0x1c/0x140 [ 179.111423][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 179.111423][ T72] addrconf_add_dev+0xe2/0x170 [ 179.111423][ T72] inet6_addr_add+0x12f/0xa40 [ 179.111423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.111423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.111423][ T72] netlink_rcv_skb+0x130/0x360 [ 179.111423][ T72] netlink_unicast+0x449/0x710 [ 179.111423][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.111423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.111423][ T72] ___sys_sendmsg+0xee/0x170 [ 179.111423][ T72] __sys_sendmsg+0xcd/0x170 [ 179.111423][ T72] do_syscall_64+0xc6/0x1e0 [ 179.111423][ T72] [ 179.113488][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 179.113488][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 179.113488][ T72] ipv6_find_idev+0x102/0x170 [ 179.113488][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.113488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.113488][ T72] netlink_rcv_skb+0x130/0x360 [ 179.113488][ T72] netlink_unicast+0x449/0x710 [ 179.113488][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.113488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.113488][ T72] ___sys_sendmsg+0xee/0x170 [ 179.113488][ T72] __sys_sendmsg+0xcd/0x170 [ 179.113488][ T72] do_syscall_64+0xc6/0x1e0 [ 179.113488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.113488][ T72] [ 179.115088][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 179.115088][ T72] neigh_parms_alloc+0x1e5/0x510 [ 179.115088][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 179.115088][ T72] ipv6_find_idev+0x102/0x170 [ 179.115088][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.115088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.115088][ T72] netlink_rcv_skb+0x130/0x360 [ 179.115088][ T72] netlink_unicast+0x449/0x710 [ 179.115088][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.115088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.115088][ T72] ___sys_sendmsg+0xee/0x170 [ 179.115088][ T72] __sys_sendmsg+0xcd/0x170 [ 179.115088][ T72] do_syscall_64+0xc6/0x1e0 [ 179.115088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.115088][ T72] [ 179.116986][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 179.117266][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 179.117266][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 179.117266][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 179.117266][ T72] fib6_nh_init+0xa22/0x1580 [ 179.117266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.117266][ T72] ip6_route_add+0x1c/0x140 [ 179.117266][ T72] inet6_rtm_newroute+0x104/0x110 [ 179.117266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.117266][ T72] netlink_rcv_skb+0x130/0x360 [ 179.117266][ T72] netlink_unicast+0x449/0x710 [ 179.117266][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.117266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.117266][ T72] ___sys_sendmsg+0xee/0x170 [ 179.117266][ T72] __sys_sendmsg+0xcd/0x170 [ 179.117266][ T72] do_syscall_64+0xc6/0x1e0 [ 179.117266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.117266][ T72] [ 179.119539][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 179.119539][ T72] dst_init+0x84/0x4a0 [ 179.119539][ T72] dst_alloc+0x97/0x150 [ 179.119539][ T72] ip6_dst_alloc+0x23/0x90 [ 179.119539][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 179.119539][ T72] ip6_pol_route+0x56f/0x840 [ 179.119539][ T72] fib6_rule_lookup+0x456/0x630 [ 179.119539][ T72] ip6_route_input+0x59c/0xa50 [ 179.119539][ T72] ipv6_rcv+0x397/0x810 [ 179.119539][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 179.119539][ T72] process_backlog+0x101/0x620 [ 179.119539][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 179.119539][ T72] net_rx_action+0x495/0xbe0 [ 179.119539][ T72] __do_softirq+0x1b5/0x7f6 [ 179.119539][ T72] [ 179.121433][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 179.121433][ T72] netdev_get_by_index+0x5e/0x80 [ 179.121433][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.121433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.121433][ T72] ip6_route_add+0x1c/0x140 [ 179.121433][ T72] addrconf_prefix_route+0x2a6/0x430 [ 179.121433][ T72] inet6_addr_add+0x4f8/0xa40 [ 179.121433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.121433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.121433][ T72] netlink_rcv_skb+0x130/0x360 [ 179.121433][ T72] netlink_unicast+0x449/0x710 [ 179.121433][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.121433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.121433][ T72] ___sys_sendmsg+0xee/0x170 [ 179.121433][ T72] __sys_sendmsg+0xcd/0x170 [ 179.121433][ T72] do_syscall_64+0xc6/0x1e0 [ 179.121433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.121433][ T72] [ 179.123734][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 179.123734][ T72] netdev_get_by_index+0x5e/0x80 [ 179.123734][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.123734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.123734][ T72] addrconf_f6i_alloc+0x315/0x560 [ 179.123734][ T72] ipv6_add_addr+0x411/0x2000 [ 179.123734][ T72] inet6_addr_add+0x30e/0xa40 [ 179.123734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.123734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.123734][ T72] netlink_rcv_skb+0x130/0x360 [ 179.123734][ T72] netlink_unicast+0x449/0x710 [ 179.123734][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.123734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.123734][ T72] ___sys_sendmsg+0xee/0x170 [ 179.123734][ T72] __sys_sendmsg+0xcd/0x170 [ 179.123734][ T72] do_syscall_64+0xc6/0x1e0 [ 179.123734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.123734][ T72] [ 179.126040][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 179.126040][ T72] netdev_get_by_index+0x5e/0x80 [ 179.126040][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.126040][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.126040][ T72] ip6_route_add+0x1c/0x140 [ 179.126040][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 179.126040][ T72] addrconf_add_dev+0xe2/0x170 [ 179.126040][ T72] inet6_addr_add+0x12f/0xa40 [ 179.126040][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.126040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.126040][ T72] netlink_rcv_skb+0x130/0x360 [ 179.126040][ T72] netlink_unicast+0x449/0x710 [ 179.126040][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.126040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.126040][ T72] ___sys_sendmsg+0xee/0x170 [ 179.126040][ T72] __sys_sendmsg+0xcd/0x170 [ 179.126040][ T72] do_syscall_64+0xc6/0x1e0 [ 179.126040][ T72] [ 179.128330][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 179.128330][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 179.128330][ T72] ipv6_find_idev+0x102/0x170 [ 179.128330][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.128330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.128330][ T72] netlink_rcv_skb+0x130/0x360 [ 179.128330][ T72] netlink_unicast+0x449/0x710 [ 179.128330][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.128330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.128330][ T72] ___sys_sendmsg+0xee/0x170 [ 179.128330][ T72] __sys_sendmsg+0xcd/0x170 [ 179.128330][ T72] do_syscall_64+0xc6/0x1e0 [ 179.128330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.128330][ T72] [ 179.130146][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 179.130146][ T72] neigh_parms_alloc+0x1e5/0x510 [ 179.130146][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 179.130146][ T72] ipv6_find_idev+0x102/0x170 [ 179.130146][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.130146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.130146][ T72] netlink_rcv_skb+0x130/0x360 [ 179.130146][ T72] netlink_unicast+0x449/0x710 [ 179.130146][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.130146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.130146][ T72] ___sys_sendmsg+0xee/0x170 [ 179.130146][ T72] __sys_sendmsg+0xcd/0x170 [ 179.130146][ T72] do_syscall_64+0xc6/0x1e0 [ 179.130146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.130146][ T72] [ 179.132149][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 179.132431][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 179.132431][ T72] netdev_get_by_index+0x5e/0x80 [ 179.132431][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.132431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.132431][ T72] addrconf_f6i_alloc+0x265/0x560 [ 179.132431][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 179.132431][ T72] addrconf_join_anycast+0x1c0/0x220 [ 179.132431][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 179.132431][ T72] addrconf_dad_completed+0x12b/0xe20 [ 179.132431][ T72] addrconf_dad_begin+0x310/0x670 [ 179.132431][ T72] addrconf_dad_work+0x10b/0xab0 [ 179.132431][ T72] process_one_work+0x84d/0x18a0 [ 179.132431][ T72] worker_thread+0x587/0xd30 [ 179.132431][ T72] kthread+0x28a/0x350 [ 179.132431][ T72] ret_from_fork+0x31/0x70 [ 179.132431][ T72] ret_from_fork_asm+0x1a/0x30 [ 179.132431][ T72] [ 179.134697][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 179.134697][ T72] netdev_get_by_index+0x5e/0x80 [ 179.134697][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.134697][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.134697][ T72] ip6_route_add+0x1c/0x140 [ 179.134697][ T72] addrconf_prefix_route+0x2a6/0x430 [ 179.134697][ T72] inet6_addr_add+0x4f8/0xa40 [ 179.134697][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.134697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.134697][ T72] netlink_rcv_skb+0x130/0x360 [ 179.134697][ T72] netlink_unicast+0x449/0x710 [ 179.134697][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.134697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.134697][ T72] ___sys_sendmsg+0xee/0x170 [ 179.134697][ T72] __sys_sendmsg+0xcd/0x170 [ 179.134697][ T72] do_syscall_64+0xc6/0x1e0 [ 179.134697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.134697][ T72] [ 179.136979][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 179.136979][ T72] netdev_get_by_index+0x5e/0x80 [ 179.136979][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.136979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.136979][ T72] addrconf_f6i_alloc+0x315/0x560 [ 179.136979][ T72] ipv6_add_addr+0x411/0x2000 [ 179.136979][ T72] inet6_addr_add+0x30e/0xa40 [ 179.136979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.136979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.136979][ T72] netlink_rcv_skb+0x130/0x360 [ 179.136979][ T72] netlink_unicast+0x449/0x710 [ 179.136979][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.136979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.136979][ T72] ___sys_sendmsg+0xee/0x170 [ 179.136979][ T72] __sys_sendmsg+0xcd/0x170 [ 179.136979][ T72] do_syscall_64+0xc6/0x1e0 [ 179.136979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.136979][ T72] [ 179.139410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 179.139410][ T72] netdev_get_by_index+0x5e/0x80 [ 179.139410][ T72] fib6_nh_init+0x3d8/0x1580 [ 179.139410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 179.139410][ T72] ip6_route_add+0x1c/0x140 [ 179.139410][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 179.139410][ T72] addrconf_add_dev+0xe2/0x170 [ 179.139410][ T72] inet6_addr_add+0x12f/0xa40 [ 179.139410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 179.139410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.139410][ T72] netlink_rcv_skb+0x130/0x360 [ 179.139410][ T72] netlink_unicast+0x449/0x710 [ 179.139410][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.139410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.139410][ T72] ___sys_sendmsg+0xee/0x170 [ 179.139410][ T72] __sys_sendmsg+0xcd/0x170 [ 179.139410][ T72] do_syscall_64+0xc6/0x1e0 [ 179.139410][ T72] [ 179.141705][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 179.141705][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 179.141705][ T72] ipv6_find_idev+0x102/0x170 [ 179.141705][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.141705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.141705][ T72] netlink_rcv_skb+0x130/0x360 [ 179.141705][ T72] netlink_unicast+0x449/0x710 [ 179.141705][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.141705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.141705][ T72] ___sys_sendmsg+0xee/0x170 [ 179.141705][ T72] __sys_sendmsg+0xcd/0x170 [ 179.141705][ T72] do_syscall_64+0xc6/0x1e0 [ 179.141705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.141705][ T72] [ 179.143503][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 179.143503][ T72] neigh_parms_alloc+0x1e5/0x510 [ 179.143503][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 179.143503][ T72] ipv6_find_idev+0x102/0x170 [ 179.143503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.143503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.143503][ T72] netlink_rcv_skb+0x130/0x360 [ 179.143503][ T72] netlink_unicast+0x449/0x710 [ 179.143503][ T72] netlink_sendmsg+0x723/0xbe0 [ 179.143503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 179.143503][ T72] ___sys_sendmsg+0xee/0x170 [ 179.143503][ T72] __sys_sendmsg+0xcd/0x170 [ 179.143503][ T72] do_syscall_64+0xc6/0x1e0 [ 179.143503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.143503][ T72] [ 189.392941][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 189.393418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 189.393418][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 189.393418][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 189.393418][ T72] fib6_nh_init+0xa22/0x1580 [ 189.393418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.393418][ T72] ip6_route_add+0x1c/0x140 [ 189.393418][ T72] inet6_rtm_newroute+0x104/0x110 [ 189.393418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.393418][ T72] netlink_rcv_skb+0x130/0x360 [ 189.393418][ T72] netlink_unicast+0x449/0x710 [ 189.393418][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.393418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.393418][ T72] ___sys_sendmsg+0xee/0x170 [ 189.393418][ T72] __sys_sendmsg+0xcd/0x170 [ 189.393418][ T72] do_syscall_64+0xc6/0x1e0 [ 189.393418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.393418][ T72] [ 189.395411][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 189.395411][ T72] dst_init+0x84/0x4a0 [ 189.395411][ T72] dst_alloc+0x97/0x150 [ 189.395411][ T72] ip6_dst_alloc+0x23/0x90 [ 189.395411][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 189.395411][ T72] ip6_pol_route+0x56f/0x840 [ 189.395411][ T72] fib6_rule_lookup+0x456/0x630 [ 189.395411][ T72] ip6_route_input+0x59c/0xa50 [ 189.395411][ T72] ipv6_rcv+0x397/0x810 [ 189.395411][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 189.395411][ T72] process_backlog+0x101/0x620 [ 189.395411][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 189.395411][ T72] net_rx_action+0x495/0xbe0 [ 189.395411][ T72] __do_softirq+0x1b5/0x7f6 [ 189.395411][ T72] [ 189.397128][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 189.397128][ T72] netdev_get_by_index+0x5e/0x80 [ 189.397128][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.397128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.397128][ T72] ip6_route_add+0x1c/0x140 [ 189.397128][ T72] addrconf_prefix_route+0x2a6/0x430 [ 189.397128][ T72] inet6_addr_add+0x4f8/0xa40 [ 189.397128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.397128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.397128][ T72] netlink_rcv_skb+0x130/0x360 [ 189.397128][ T72] netlink_unicast+0x449/0x710 [ 189.397128][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.397128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.397128][ T72] ___sys_sendmsg+0xee/0x170 [ 189.397128][ T72] __sys_sendmsg+0xcd/0x170 [ 189.397128][ T72] do_syscall_64+0xc6/0x1e0 [ 189.397128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.397128][ T72] [ 189.399217][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 189.399217][ T72] netdev_get_by_index+0x5e/0x80 [ 189.399217][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.399217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.399217][ T72] addrconf_f6i_alloc+0x315/0x560 [ 189.399217][ T72] ipv6_add_addr+0x411/0x2000 [ 189.399217][ T72] inet6_addr_add+0x30e/0xa40 [ 189.399217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.399217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.399217][ T72] netlink_rcv_skb+0x130/0x360 [ 189.399217][ T72] netlink_unicast+0x449/0x710 [ 189.399217][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.399217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.399217][ T72] ___sys_sendmsg+0xee/0x170 [ 189.399217][ T72] __sys_sendmsg+0xcd/0x170 [ 189.399217][ T72] do_syscall_64+0xc6/0x1e0 [ 189.399217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.399217][ T72] [ 189.401307][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 189.401307][ T72] netdev_get_by_index+0x5e/0x80 [ 189.401307][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.401307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.401307][ T72] ip6_route_add+0x1c/0x140 [ 189.401307][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 189.401307][ T72] addrconf_add_dev+0xe2/0x170 [ 189.401307][ T72] inet6_addr_add+0x12f/0xa40 [ 189.401307][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.401307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.401307][ T72] netlink_rcv_skb+0x130/0x360 [ 189.401307][ T72] netlink_unicast+0x449/0x710 [ 189.401307][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.401307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.401307][ T72] ___sys_sendmsg+0xee/0x170 [ 189.401307][ T72] __sys_sendmsg+0xcd/0x170 [ 189.401307][ T72] do_syscall_64+0xc6/0x1e0 [ 189.401307][ T72] [ 189.403353][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 189.403353][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 189.403353][ T72] ipv6_find_idev+0x102/0x170 [ 189.403353][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.403353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.403353][ T72] netlink_rcv_skb+0x130/0x360 [ 189.403353][ T72] netlink_unicast+0x449/0x710 [ 189.403353][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.403353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.403353][ T72] ___sys_sendmsg+0xee/0x170 [ 189.403353][ T72] __sys_sendmsg+0xcd/0x170 [ 189.403353][ T72] do_syscall_64+0xc6/0x1e0 [ 189.403353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.403353][ T72] [ 189.404963][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 189.404963][ T72] neigh_parms_alloc+0x1e5/0x510 [ 189.404963][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 189.404963][ T72] ipv6_find_idev+0x102/0x170 [ 189.404963][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.404963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.404963][ T72] netlink_rcv_skb+0x130/0x360 [ 189.404963][ T72] netlink_unicast+0x449/0x710 [ 189.404963][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.404963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.404963][ T72] ___sys_sendmsg+0xee/0x170 [ 189.404963][ T72] __sys_sendmsg+0xcd/0x170 [ 189.404963][ T72] do_syscall_64+0xc6/0x1e0 [ 189.404963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.404963][ T72] [ 189.406740][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 189.407045][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 189.407045][ T72] dst_init+0x84/0x4a0 [ 189.407045][ T72] dst_alloc+0x97/0x150 [ 189.407045][ T72] ip6_dst_alloc+0x23/0x90 [ 189.407045][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 189.407045][ T72] ip6_pol_route+0x56f/0x840 [ 189.407045][ T72] fib6_rule_lookup+0x456/0x630 [ 189.407045][ T72] ip6_route_input+0x59c/0xa50 [ 189.407045][ T72] ipv6_rcv+0x397/0x810 [ 189.407045][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 189.407045][ T72] process_backlog+0x101/0x620 [ 189.407045][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 189.407045][ T72] net_rx_action+0x495/0xbe0 [ 189.407045][ T72] __do_softirq+0x1b5/0x7f6 [ 189.407045][ T72] [ 189.408832][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 189.408832][ T72] netdev_get_by_index+0x5e/0x80 [ 189.408832][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.408832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.408832][ T72] addrconf_f6i_alloc+0x265/0x560 [ 189.408832][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 189.408832][ T72] addrconf_join_anycast+0x1c0/0x220 [ 189.408832][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 189.408832][ T72] addrconf_dad_completed+0x12b/0xe20 [ 189.408832][ T72] addrconf_dad_begin+0x310/0x670 [ 189.408832][ T72] addrconf_dad_work+0x10b/0xab0 [ 189.408832][ T72] process_one_work+0x84d/0x18a0 [ 189.408832][ T72] worker_thread+0x587/0xd30 [ 189.408832][ T72] kthread+0x28a/0x350 [ 189.408832][ T72] ret_from_fork+0x31/0x70 [ 189.408832][ T72] ret_from_fork_asm+0x1a/0x30 [ 189.408832][ T72] [ 189.410818][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 189.410818][ T72] netdev_get_by_index+0x5e/0x80 [ 189.410818][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.410818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.410818][ T72] ip6_route_add+0x1c/0x140 [ 189.410818][ T72] addrconf_prefix_route+0x2a6/0x430 [ 189.410818][ T72] inet6_addr_add+0x4f8/0xa40 [ 189.410818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.410818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.410818][ T72] netlink_rcv_skb+0x130/0x360 [ 189.410818][ T72] netlink_unicast+0x449/0x710 [ 189.410818][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.410818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.410818][ T72] ___sys_sendmsg+0xee/0x170 [ 189.410818][ T72] __sys_sendmsg+0xcd/0x170 [ 189.410818][ T72] do_syscall_64+0xc6/0x1e0 [ 189.410818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.410818][ T72] [ 189.412898][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 189.412898][ T72] netdev_get_by_index+0x5e/0x80 [ 189.412898][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.412898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.412898][ T72] addrconf_f6i_alloc+0x315/0x560 [ 189.412898][ T72] ipv6_add_addr+0x411/0x2000 [ 189.412898][ T72] inet6_addr_add+0x30e/0xa40 [ 189.412898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.412898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.412898][ T72] netlink_rcv_skb+0x130/0x360 [ 189.412898][ T72] netlink_unicast+0x449/0x710 [ 189.412898][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.412898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.412898][ T72] ___sys_sendmsg+0xee/0x170 [ 189.412898][ T72] __sys_sendmsg+0xcd/0x170 [ 189.412898][ T72] do_syscall_64+0xc6/0x1e0 [ 189.412898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.412898][ T72] [ 189.414999][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 189.414999][ T72] netdev_get_by_index+0x5e/0x80 [ 189.414999][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.414999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.414999][ T72] ip6_route_add+0x1c/0x140 [ 189.414999][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 189.414999][ T72] addrconf_add_dev+0xe2/0x170 [ 189.414999][ T72] inet6_addr_add+0x12f/0xa40 [ 189.414999][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.414999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.414999][ T72] netlink_rcv_skb+0x130/0x360 [ 189.414999][ T72] netlink_unicast+0x449/0x710 [ 189.414999][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.414999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.414999][ T72] ___sys_sendmsg+0xee/0x170 [ 189.414999][ T72] __sys_sendmsg+0xcd/0x170 [ 189.414999][ T72] do_syscall_64+0xc6/0x1e0 [ 189.414999][ T72] [ 189.417044][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 189.417044][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 189.417044][ T72] ipv6_find_idev+0x102/0x170 [ 189.417044][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.417044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.417044][ T72] netlink_rcv_skb+0x130/0x360 [ 189.417044][ T72] netlink_unicast+0x449/0x710 [ 189.417044][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.417044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.417044][ T72] ___sys_sendmsg+0xee/0x170 [ 189.417044][ T72] __sys_sendmsg+0xcd/0x170 [ 189.417044][ T72] do_syscall_64+0xc6/0x1e0 [ 189.417044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.417044][ T72] [ 189.418651][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 189.418651][ T72] neigh_parms_alloc+0x1e5/0x510 [ 189.418651][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 189.418651][ T72] ipv6_find_idev+0x102/0x170 [ 189.418651][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.418651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.418651][ T72] netlink_rcv_skb+0x130/0x360 [ 189.418651][ T72] netlink_unicast+0x449/0x710 [ 189.418651][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.418651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.418651][ T72] ___sys_sendmsg+0xee/0x170 [ 189.418651][ T72] __sys_sendmsg+0xcd/0x170 [ 189.418651][ T72] do_syscall_64+0xc6/0x1e0 [ 189.418651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.418651][ T72] [ 189.420529][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 189.420811][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 189.420811][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 189.420811][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 189.420811][ T72] fib6_nh_init+0xa22/0x1580 [ 189.420811][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.420811][ T72] ip6_route_add+0x1c/0x140 [ 189.420811][ T72] inet6_rtm_newroute+0x104/0x110 [ 189.420811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.420811][ T72] netlink_rcv_skb+0x130/0x360 [ 189.420811][ T72] netlink_unicast+0x449/0x710 [ 189.420811][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.420811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.420811][ T72] ___sys_sendmsg+0xee/0x170 [ 189.420811][ T72] __sys_sendmsg+0xcd/0x170 [ 189.420811][ T72] do_syscall_64+0xc6/0x1e0 [ 189.420811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.420811][ T72] [ 189.423070][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 189.423070][ T72] dst_init+0x84/0x4a0 [ 189.423070][ T72] dst_alloc+0x97/0x150 [ 189.423070][ T72] ip6_dst_alloc+0x23/0x90 [ 189.423070][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 189.423070][ T72] ip6_pol_route+0x56f/0x840 [ 189.423070][ T72] fib6_rule_lookup+0x456/0x630 [ 189.423070][ T72] ip6_route_input+0x59c/0xa50 [ 189.423070][ T72] ipv6_rcv+0x397/0x810 [ 189.423070][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 189.423070][ T72] process_backlog+0x101/0x620 [ 189.423070][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 189.423070][ T72] net_rx_action+0x495/0xbe0 [ 189.423070][ T72] __do_softirq+0x1b5/0x7f6 [ 189.423070][ T72] [ 189.424953][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 189.424953][ T72] netdev_get_by_index+0x5e/0x80 [ 189.424953][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.424953][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.424953][ T72] ip6_route_add+0x1c/0x140 [ 189.424953][ T72] addrconf_prefix_route+0x2a6/0x430 [ 189.424953][ T72] inet6_addr_add+0x4f8/0xa40 [ 189.424953][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.424953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.424953][ T72] netlink_rcv_skb+0x130/0x360 [ 189.424953][ T72] netlink_unicast+0x449/0x710 [ 189.424953][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.424953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.424953][ T72] ___sys_sendmsg+0xee/0x170 [ 189.424953][ T72] __sys_sendmsg+0xcd/0x170 [ 189.424953][ T72] do_syscall_64+0xc6/0x1e0 [ 189.424953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.424953][ T72] [ 189.427292][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 189.427292][ T72] netdev_get_by_index+0x5e/0x80 [ 189.427292][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.427292][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.427292][ T72] addrconf_f6i_alloc+0x315/0x560 [ 189.427292][ T72] ipv6_add_addr+0x411/0x2000 [ 189.427292][ T72] inet6_addr_add+0x30e/0xa40 [ 189.427292][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.427292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.427292][ T72] netlink_rcv_skb+0x130/0x360 [ 189.427292][ T72] netlink_unicast+0x449/0x710 [ 189.427292][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.427292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.427292][ T72] ___sys_sendmsg+0xee/0x170 [ 189.427292][ T72] __sys_sendmsg+0xcd/0x170 [ 189.427292][ T72] do_syscall_64+0xc6/0x1e0 [ 189.427292][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.427292][ T72] [ 189.429602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 189.429602][ T72] netdev_get_by_index+0x5e/0x80 [ 189.429602][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.429602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.429602][ T72] ip6_route_add+0x1c/0x140 [ 189.429602][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 189.429602][ T72] addrconf_add_dev+0xe2/0x170 [ 189.429602][ T72] inet6_addr_add+0x12f/0xa40 [ 189.429602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.429602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.429602][ T72] netlink_rcv_skb+0x130/0x360 [ 189.429602][ T72] netlink_unicast+0x449/0x710 [ 189.429602][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.429602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.429602][ T72] ___sys_sendmsg+0xee/0x170 [ 189.429602][ T72] __sys_sendmsg+0xcd/0x170 [ 189.429602][ T72] do_syscall_64+0xc6/0x1e0 [ 189.429602][ T72] [ 189.431876][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 189.431876][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 189.431876][ T72] ipv6_find_idev+0x102/0x170 [ 189.431876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.431876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.431876][ T72] netlink_rcv_skb+0x130/0x360 [ 189.431876][ T72] netlink_unicast+0x449/0x710 [ 189.431876][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.431876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.431876][ T72] ___sys_sendmsg+0xee/0x170 [ 189.431876][ T72] __sys_sendmsg+0xcd/0x170 [ 189.431876][ T72] do_syscall_64+0xc6/0x1e0 [ 189.431876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.431876][ T72] [ 189.433654][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 189.433654][ T72] neigh_parms_alloc+0x1e5/0x510 [ 189.433654][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 189.433654][ T72] ipv6_find_idev+0x102/0x170 [ 189.433654][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.433654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.433654][ T72] netlink_rcv_skb+0x130/0x360 [ 189.433654][ T72] netlink_unicast+0x449/0x710 [ 189.433654][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.433654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.433654][ T72] ___sys_sendmsg+0xee/0x170 [ 189.433654][ T72] __sys_sendmsg+0xcd/0x170 [ 189.433654][ T72] do_syscall_64+0xc6/0x1e0 [ 189.433654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.433654][ T72] [ 189.435639][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 189.436363][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 189.436363][ T72] netdev_get_by_index+0x5e/0x80 [ 189.436363][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.436363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.436363][ T72] addrconf_f6i_alloc+0x265/0x560 [ 189.436363][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 189.436363][ T72] addrconf_join_anycast+0x1c0/0x220 [ 189.436363][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 189.436363][ T72] addrconf_dad_completed+0x12b/0xe20 [ 189.436363][ T72] addrconf_dad_begin+0x310/0x670 [ 189.436363][ T72] addrconf_dad_work+0x10b/0xab0 [ 189.436363][ T72] process_one_work+0x84d/0x18a0 [ 189.436363][ T72] worker_thread+0x587/0xd30 [ 189.436363][ T72] kthread+0x28a/0x350 [ 189.436363][ T72] ret_from_fork+0x31/0x70 [ 189.436363][ T72] ret_from_fork_asm+0x1a/0x30 [ 189.436363][ T72] [ 189.438342][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 189.438342][ T72] netdev_get_by_index+0x5e/0x80 [ 189.438342][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.438342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.438342][ T72] ip6_route_add+0x1c/0x140 [ 189.438342][ T72] addrconf_prefix_route+0x2a6/0x430 [ 189.438342][ T72] inet6_addr_add+0x4f8/0xa40 [ 189.438342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.438342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.438342][ T72] netlink_rcv_skb+0x130/0x360 [ 189.438342][ T72] netlink_unicast+0x449/0x710 [ 189.438342][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.438342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.438342][ T72] ___sys_sendmsg+0xee/0x170 [ 189.438342][ T72] __sys_sendmsg+0xcd/0x170 [ 189.438342][ T72] do_syscall_64+0xc6/0x1e0 [ 189.438342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.438342][ T72] [ 189.440531][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 189.440531][ T72] netdev_get_by_index+0x5e/0x80 [ 189.440531][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.440531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.440531][ T72] addrconf_f6i_alloc+0x315/0x560 [ 189.440531][ T72] ipv6_add_addr+0x411/0x2000 [ 189.440531][ T72] inet6_addr_add+0x30e/0xa40 [ 189.440531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.440531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.440531][ T72] netlink_rcv_skb+0x130/0x360 [ 189.440531][ T72] netlink_unicast+0x449/0x710 [ 189.440531][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.440531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.440531][ T72] ___sys_sendmsg+0xee/0x170 [ 189.440531][ T72] __sys_sendmsg+0xcd/0x170 [ 189.440531][ T72] do_syscall_64+0xc6/0x1e0 [ 189.440531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.440531][ T72] [ 189.442727][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 189.442727][ T72] netdev_get_by_index+0x5e/0x80 [ 189.442727][ T72] fib6_nh_init+0x3d8/0x1580 [ 189.442727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 189.442727][ T72] ip6_route_add+0x1c/0x140 [ 189.442727][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 189.442727][ T72] addrconf_add_dev+0xe2/0x170 [ 189.442727][ T72] inet6_addr_add+0x12f/0xa40 [ 189.442727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 189.442727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.442727][ T72] netlink_rcv_skb+0x130/0x360 [ 189.442727][ T72] netlink_unicast+0x449/0x710 [ 189.442727][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.442727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.442727][ T72] ___sys_sendmsg+0xee/0x170 [ 189.442727][ T72] __sys_sendmsg+0xcd/0x170 [ 189.442727][ T72] do_syscall_64+0xc6/0x1e0 [ 189.442727][ T72] [ 189.444981][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 189.444981][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 189.444981][ T72] ipv6_find_idev+0x102/0x170 [ 189.444981][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.444981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.444981][ T72] netlink_rcv_skb+0x130/0x360 [ 189.444981][ T72] netlink_unicast+0x449/0x710 [ 189.444981][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.444981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.444981][ T72] ___sys_sendmsg+0xee/0x170 [ 189.444981][ T72] __sys_sendmsg+0xcd/0x170 [ 189.444981][ T72] do_syscall_64+0xc6/0x1e0 [ 189.444981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.444981][ T72] [ 189.446688][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 189.446688][ T72] neigh_parms_alloc+0x1e5/0x510 [ 189.446688][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 189.446688][ T72] ipv6_find_idev+0x102/0x170 [ 189.446688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.446688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.446688][ T72] netlink_rcv_skb+0x130/0x360 [ 189.446688][ T72] netlink_unicast+0x449/0x710 [ 189.446688][ T72] netlink_sendmsg+0x723/0xbe0 [ 189.446688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 189.446688][ T72] ___sys_sendmsg+0xee/0x170 [ 189.446688][ T72] __sys_sendmsg+0xcd/0x170 [ 189.446688][ T72] do_syscall_64+0xc6/0x1e0 [ 189.446688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.446688][ T72] [ 199.464947][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 199.465430][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 199.465430][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 199.465430][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 199.465430][ T72] fib6_nh_init+0xa22/0x1580 [ 199.465430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.465430][ T72] ip6_route_add+0x1c/0x140 [ 199.465430][ T72] inet6_rtm_newroute+0x104/0x110 [ 199.465430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.465430][ T72] netlink_rcv_skb+0x130/0x360 [ 199.465430][ T72] netlink_unicast+0x449/0x710 [ 199.465430][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.465430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.465430][ T72] ___sys_sendmsg+0xee/0x170 [ 199.465430][ T72] __sys_sendmsg+0xcd/0x170 [ 199.465430][ T72] do_syscall_64+0xc6/0x1e0 [ 199.465430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.465430][ T72] [ 199.467357][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 199.467357][ T72] dst_init+0x84/0x4a0 [ 199.467357][ T72] dst_alloc+0x97/0x150 [ 199.467357][ T72] ip6_dst_alloc+0x23/0x90 [ 199.467357][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 199.467357][ T72] ip6_pol_route+0x56f/0x840 [ 199.467357][ T72] fib6_rule_lookup+0x456/0x630 [ 199.467357][ T72] ip6_route_input+0x59c/0xa50 [ 199.467357][ T72] ipv6_rcv+0x397/0x810 [ 199.467357][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 199.467357][ T72] process_backlog+0x101/0x620 [ 199.467357][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 199.467357][ T72] net_rx_action+0x495/0xbe0 [ 199.467357][ T72] __do_softirq+0x1b5/0x7f6 [ 199.467357][ T72] [ 199.469006][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 199.469006][ T72] netdev_get_by_index+0x5e/0x80 [ 199.469006][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.469006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.469006][ T72] ip6_route_add+0x1c/0x140 [ 199.469006][ T72] addrconf_prefix_route+0x2a6/0x430 [ 199.469006][ T72] inet6_addr_add+0x4f8/0xa40 [ 199.469006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.469006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.469006][ T72] netlink_rcv_skb+0x130/0x360 [ 199.469006][ T72] netlink_unicast+0x449/0x710 [ 199.469006][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.469006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.469006][ T72] ___sys_sendmsg+0xee/0x170 [ 199.469006][ T72] __sys_sendmsg+0xcd/0x170 [ 199.469006][ T72] do_syscall_64+0xc6/0x1e0 [ 199.469006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.469006][ T72] [ 199.471023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 199.471023][ T72] netdev_get_by_index+0x5e/0x80 [ 199.471023][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.471023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.471023][ T72] addrconf_f6i_alloc+0x315/0x560 [ 199.471023][ T72] ipv6_add_addr+0x411/0x2000 [ 199.471023][ T72] inet6_addr_add+0x30e/0xa40 [ 199.471023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.471023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.471023][ T72] netlink_rcv_skb+0x130/0x360 [ 199.471023][ T72] netlink_unicast+0x449/0x710 [ 199.471023][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.471023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.471023][ T72] ___sys_sendmsg+0xee/0x170 [ 199.471023][ T72] __sys_sendmsg+0xcd/0x170 [ 199.471023][ T72] do_syscall_64+0xc6/0x1e0 [ 199.471023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.471023][ T72] [ 199.473033][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 199.473033][ T72] netdev_get_by_index+0x5e/0x80 [ 199.473033][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.473033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.473033][ T72] ip6_route_add+0x1c/0x140 [ 199.473033][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 199.473033][ T72] addrconf_add_dev+0xe2/0x170 [ 199.473033][ T72] inet6_addr_add+0x12f/0xa40 [ 199.473033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.473033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.473033][ T72] netlink_rcv_skb+0x130/0x360 [ 199.473033][ T72] netlink_unicast+0x449/0x710 [ 199.473033][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.473033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.473033][ T72] ___sys_sendmsg+0xee/0x170 [ 199.473033][ T72] __sys_sendmsg+0xcd/0x170 [ 199.473033][ T72] do_syscall_64+0xc6/0x1e0 [ 199.473033][ T72] [ 199.475018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 199.475018][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 199.475018][ T72] ipv6_find_idev+0x102/0x170 [ 199.475018][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.475018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.475018][ T72] netlink_rcv_skb+0x130/0x360 [ 199.475018][ T72] netlink_unicast+0x449/0x710 [ 199.475018][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.475018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.475018][ T72] ___sys_sendmsg+0xee/0x170 [ 199.475018][ T72] __sys_sendmsg+0xcd/0x170 [ 199.475018][ T72] do_syscall_64+0xc6/0x1e0 [ 199.475018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.475018][ T72] [ 199.476563][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 199.476563][ T72] neigh_parms_alloc+0x1e5/0x510 [ 199.476563][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 199.476563][ T72] ipv6_find_idev+0x102/0x170 [ 199.476563][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.476563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.476563][ T72] netlink_rcv_skb+0x130/0x360 [ 199.476563][ T72] netlink_unicast+0x449/0x710 [ 199.476563][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.476563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.476563][ T72] ___sys_sendmsg+0xee/0x170 [ 199.476563][ T72] __sys_sendmsg+0xcd/0x170 [ 199.476563][ T72] do_syscall_64+0xc6/0x1e0 [ 199.476563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.476563][ T72] [ 199.478273][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 199.478570][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 199.478570][ T72] dst_init+0x84/0x4a0 [ 199.478570][ T72] dst_alloc+0x97/0x150 [ 199.478570][ T72] ip6_dst_alloc+0x23/0x90 [ 199.478570][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 199.478570][ T72] ip6_pol_route+0x56f/0x840 [ 199.478570][ T72] fib6_rule_lookup+0x456/0x630 [ 199.478570][ T72] ip6_route_input+0x59c/0xa50 [ 199.478570][ T72] ipv6_rcv+0x397/0x810 [ 199.478570][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 199.478570][ T72] process_backlog+0x101/0x620 [ 199.478570][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 199.478570][ T72] net_rx_action+0x495/0xbe0 [ 199.478570][ T72] __do_softirq+0x1b5/0x7f6 [ 199.478570][ T72] [ 199.480218][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 199.480218][ T72] netdev_get_by_index+0x5e/0x80 [ 199.480218][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.480218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.480218][ T72] addrconf_f6i_alloc+0x265/0x560 [ 199.480218][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 199.480218][ T72] addrconf_join_anycast+0x1c0/0x220 [ 199.480218][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 199.480218][ T72] addrconf_dad_completed+0x12b/0xe20 [ 199.480218][ T72] addrconf_dad_begin+0x310/0x670 [ 199.480218][ T72] addrconf_dad_work+0x10b/0xab0 [ 199.480218][ T72] process_one_work+0x84d/0x18a0 [ 199.480218][ T72] worker_thread+0x587/0xd30 [ 199.480218][ T72] kthread+0x28a/0x350 [ 199.480218][ T72] ret_from_fork+0x31/0x70 [ 199.480218][ T72] ret_from_fork_asm+0x1a/0x30 [ 199.480218][ T72] [ 199.482139][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 199.482139][ T72] netdev_get_by_index+0x5e/0x80 [ 199.482139][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.482139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.482139][ T72] ip6_route_add+0x1c/0x140 [ 199.482139][ T72] addrconf_prefix_route+0x2a6/0x430 [ 199.482139][ T72] inet6_addr_add+0x4f8/0xa40 [ 199.482139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.482139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.482139][ T72] netlink_rcv_skb+0x130/0x360 [ 199.482139][ T72] netlink_unicast+0x449/0x710 [ 199.482139][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.482139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.482139][ T72] ___sys_sendmsg+0xee/0x170 [ 199.482139][ T72] __sys_sendmsg+0xcd/0x170 [ 199.482139][ T72] do_syscall_64+0xc6/0x1e0 [ 199.482139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.482139][ T72] [ 199.484148][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 199.484148][ T72] netdev_get_by_index+0x5e/0x80 [ 199.484148][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.484148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.484148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 199.484148][ T72] ipv6_add_addr+0x411/0x2000 [ 199.484148][ T72] inet6_addr_add+0x30e/0xa40 [ 199.484148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.484148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.484148][ T72] netlink_rcv_skb+0x130/0x360 [ 199.484148][ T72] netlink_unicast+0x449/0x710 [ 199.484148][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.484148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.484148][ T72] ___sys_sendmsg+0xee/0x170 [ 199.484148][ T72] __sys_sendmsg+0xcd/0x170 [ 199.484148][ T72] do_syscall_64+0xc6/0x1e0 [ 199.484148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.484148][ T72] [ 199.486226][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 199.486226][ T72] netdev_get_by_index+0x5e/0x80 [ 199.486226][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.486226][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.486226][ T72] ip6_route_add+0x1c/0x140 [ 199.486226][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 199.486226][ T72] addrconf_add_dev+0xe2/0x170 [ 199.486226][ T72] inet6_addr_add+0x12f/0xa40 [ 199.486226][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.486226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.486226][ T72] netlink_rcv_skb+0x130/0x360 [ 199.486226][ T72] netlink_unicast+0x449/0x710 [ 199.486226][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.486226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.486226][ T72] ___sys_sendmsg+0xee/0x170 [ 199.486226][ T72] __sys_sendmsg+0xcd/0x170 [ 199.486226][ T72] do_syscall_64+0xc6/0x1e0 [ 199.486226][ T72] [ 199.488237][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 199.488237][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 199.488237][ T72] ipv6_find_idev+0x102/0x170 [ 199.488237][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.488237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.488237][ T72] netlink_rcv_skb+0x130/0x360 [ 199.488237][ T72] netlink_unicast+0x449/0x710 [ 199.488237][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.488237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.488237][ T72] ___sys_sendmsg+0xee/0x170 [ 199.488237][ T72] __sys_sendmsg+0xcd/0x170 [ 199.488237][ T72] do_syscall_64+0xc6/0x1e0 [ 199.488237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.488237][ T72] [ 199.489792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 199.489792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 199.489792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 199.489792][ T72] ipv6_find_idev+0x102/0x170 [ 199.489792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.489792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.489792][ T72] netlink_rcv_skb+0x130/0x360 [ 199.489792][ T72] netlink_unicast+0x449/0x710 [ 199.489792][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.489792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.489792][ T72] ___sys_sendmsg+0xee/0x170 [ 199.489792][ T72] __sys_sendmsg+0xcd/0x170 [ 199.489792][ T72] do_syscall_64+0xc6/0x1e0 [ 199.489792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.489792][ T72] [ 199.491645][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 199.491935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 199.491935][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 199.491935][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 199.491935][ T72] fib6_nh_init+0xa22/0x1580 [ 199.491935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.491935][ T72] ip6_route_add+0x1c/0x140 [ 199.491935][ T72] inet6_rtm_newroute+0x104/0x110 [ 199.491935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.491935][ T72] netlink_rcv_skb+0x130/0x360 [ 199.491935][ T72] netlink_unicast+0x449/0x710 [ 199.491935][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.491935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.491935][ T72] ___sys_sendmsg+0xee/0x170 [ 199.491935][ T72] __sys_sendmsg+0xcd/0x170 [ 199.491935][ T72] do_syscall_64+0xc6/0x1e0 [ 199.491935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.491935][ T72] [ 199.494141][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 199.494141][ T72] dst_init+0x84/0x4a0 [ 199.494141][ T72] dst_alloc+0x97/0x150 [ 199.494141][ T72] ip6_dst_alloc+0x23/0x90 [ 199.494141][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 199.494141][ T72] ip6_pol_route+0x56f/0x840 [ 199.494141][ T72] fib6_rule_lookup+0x456/0x630 [ 199.494141][ T72] ip6_route_input+0x59c/0xa50 [ 199.494141][ T72] ipv6_rcv+0x397/0x810 [ 199.494141][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 199.494141][ T72] process_backlog+0x101/0x620 [ 199.494141][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 199.494141][ T72] net_rx_action+0x495/0xbe0 [ 199.494141][ T72] __do_softirq+0x1b5/0x7f6 [ 199.494141][ T72] [ 199.495994][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 199.495994][ T72] netdev_get_by_index+0x5e/0x80 [ 199.495994][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.495994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.495994][ T72] ip6_route_add+0x1c/0x140 [ 199.495994][ T72] addrconf_prefix_route+0x2a6/0x430 [ 199.495994][ T72] inet6_addr_add+0x4f8/0xa40 [ 199.495994][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.495994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.495994][ T72] netlink_rcv_skb+0x130/0x360 [ 199.495994][ T72] netlink_unicast+0x449/0x710 [ 199.495994][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.495994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.495994][ T72] ___sys_sendmsg+0xee/0x170 [ 199.495994][ T72] __sys_sendmsg+0xcd/0x170 [ 199.495994][ T72] do_syscall_64+0xc6/0x1e0 [ 199.495994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.495994][ T72] [ 199.498273][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 199.498273][ T72] netdev_get_by_index+0x5e/0x80 [ 199.498273][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.498273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.498273][ T72] addrconf_f6i_alloc+0x315/0x560 [ 199.498273][ T72] ipv6_add_addr+0x411/0x2000 [ 199.498273][ T72] inet6_addr_add+0x30e/0xa40 [ 199.498273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.498273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.498273][ T72] netlink_rcv_skb+0x130/0x360 [ 199.498273][ T72] netlink_unicast+0x449/0x710 [ 199.498273][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.498273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.498273][ T72] ___sys_sendmsg+0xee/0x170 [ 199.498273][ T72] __sys_sendmsg+0xcd/0x170 [ 199.498273][ T72] do_syscall_64+0xc6/0x1e0 [ 199.498273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.498273][ T72] [ 199.500537][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 199.500537][ T72] netdev_get_by_index+0x5e/0x80 [ 199.500537][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.500537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.500537][ T72] ip6_route_add+0x1c/0x140 [ 199.500537][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 199.500537][ T72] addrconf_add_dev+0xe2/0x170 [ 199.500537][ T72] inet6_addr_add+0x12f/0xa40 [ 199.500537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.500537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.500537][ T72] netlink_rcv_skb+0x130/0x360 [ 199.500537][ T72] netlink_unicast+0x449/0x710 [ 199.500537][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.500537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.500537][ T72] ___sys_sendmsg+0xee/0x170 [ 199.500537][ T72] __sys_sendmsg+0xcd/0x170 [ 199.500537][ T72] do_syscall_64+0xc6/0x1e0 [ 199.500537][ T72] [ 199.502834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 199.502834][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 199.502834][ T72] ipv6_find_idev+0x102/0x170 [ 199.502834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.502834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.502834][ T72] netlink_rcv_skb+0x130/0x360 [ 199.502834][ T72] netlink_unicast+0x449/0x710 [ 199.502834][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.502834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.502834][ T72] ___sys_sendmsg+0xee/0x170 [ 199.502834][ T72] __sys_sendmsg+0xcd/0x170 [ 199.502834][ T72] do_syscall_64+0xc6/0x1e0 [ 199.502834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.502834][ T72] [ 199.504580][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 199.504580][ T72] neigh_parms_alloc+0x1e5/0x510 [ 199.504580][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 199.504580][ T72] ipv6_find_idev+0x102/0x170 [ 199.504580][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.504580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.504580][ T72] netlink_rcv_skb+0x130/0x360 [ 199.504580][ T72] netlink_unicast+0x449/0x710 [ 199.504580][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.504580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.504580][ T72] ___sys_sendmsg+0xee/0x170 [ 199.504580][ T72] __sys_sendmsg+0xcd/0x170 [ 199.504580][ T72] do_syscall_64+0xc6/0x1e0 [ 199.504580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.504580][ T72] [ 199.506567][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 199.507305][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 199.507305][ T72] netdev_get_by_index+0x5e/0x80 [ 199.507305][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.507305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.507305][ T72] addrconf_f6i_alloc+0x265/0x560 [ 199.507305][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 199.507305][ T72] addrconf_join_anycast+0x1c0/0x220 [ 199.507305][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 199.507305][ T72] addrconf_dad_completed+0x12b/0xe20 [ 199.507305][ T72] addrconf_dad_begin+0x310/0x670 [ 199.507305][ T72] addrconf_dad_work+0x10b/0xab0 [ 199.507305][ T72] process_one_work+0x84d/0x18a0 [ 199.507305][ T72] worker_thread+0x587/0xd30 [ 199.507305][ T72] kthread+0x28a/0x350 [ 199.507305][ T72] ret_from_fork+0x31/0x70 [ 199.507305][ T72] ret_from_fork_asm+0x1a/0x30 [ 199.507305][ T72] [ 199.509245][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 199.509245][ T72] netdev_get_by_index+0x5e/0x80 [ 199.509245][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.509245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.509245][ T72] ip6_route_add+0x1c/0x140 [ 199.509245][ T72] addrconf_prefix_route+0x2a6/0x430 [ 199.509245][ T72] inet6_addr_add+0x4f8/0xa40 [ 199.509245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.509245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.509245][ T72] netlink_rcv_skb+0x130/0x360 [ 199.509245][ T72] netlink_unicast+0x449/0x710 [ 199.509245][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.509245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.509245][ T72] ___sys_sendmsg+0xee/0x170 [ 199.509245][ T72] __sys_sendmsg+0xcd/0x170 [ 199.509245][ T72] do_syscall_64+0xc6/0x1e0 [ 199.509245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.509245][ T72] [ 199.511393][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 199.511393][ T72] netdev_get_by_index+0x5e/0x80 [ 199.511393][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.511393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.511393][ T72] addrconf_f6i_alloc+0x315/0x560 [ 199.511393][ T72] ipv6_add_addr+0x411/0x2000 [ 199.511393][ T72] inet6_addr_add+0x30e/0xa40 [ 199.511393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.511393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.511393][ T72] netlink_rcv_skb+0x130/0x360 [ 199.511393][ T72] netlink_unicast+0x449/0x710 [ 199.511393][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.511393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.511393][ T72] ___sys_sendmsg+0xee/0x170 [ 199.511393][ T72] __sys_sendmsg+0xcd/0x170 [ 199.511393][ T72] do_syscall_64+0xc6/0x1e0 [ 199.511393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.511393][ T72] [ 199.513602][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 199.513602][ T72] netdev_get_by_index+0x5e/0x80 [ 199.513602][ T72] fib6_nh_init+0x3d8/0x1580 [ 199.513602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 199.513602][ T72] ip6_route_add+0x1c/0x140 [ 199.513602][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 199.513602][ T72] addrconf_add_dev+0xe2/0x170 [ 199.513602][ T72] inet6_addr_add+0x12f/0xa40 [ 199.513602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 199.513602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.513602][ T72] netlink_rcv_skb+0x130/0x360 [ 199.513602][ T72] netlink_unicast+0x449/0x710 [ 199.513602][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.513602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.513602][ T72] ___sys_sendmsg+0xee/0x170 [ 199.513602][ T72] __sys_sendmsg+0xcd/0x170 [ 199.513602][ T72] do_syscall_64+0xc6/0x1e0 [ 199.513602][ T72] [ 199.515924][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 199.515924][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 199.515924][ T72] ipv6_find_idev+0x102/0x170 [ 199.515924][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.515924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.515924][ T72] netlink_rcv_skb+0x130/0x360 [ 199.515924][ T72] netlink_unicast+0x449/0x710 [ 199.515924][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.515924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.515924][ T72] ___sys_sendmsg+0xee/0x170 [ 199.515924][ T72] __sys_sendmsg+0xcd/0x170 [ 199.515924][ T72] do_syscall_64+0xc6/0x1e0 [ 199.515924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.515924][ T72] [ 199.518116][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 199.518116][ T72] neigh_parms_alloc+0x1e5/0x510 [ 199.518116][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 199.518116][ T72] ipv6_find_idev+0x102/0x170 [ 199.518116][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.518116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.518116][ T72] netlink_rcv_skb+0x130/0x360 [ 199.518116][ T72] netlink_unicast+0x449/0x710 [ 199.518116][ T72] netlink_sendmsg+0x723/0xbe0 [ 199.518116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 199.518116][ T72] ___sys_sendmsg+0xee/0x170 [ 199.518116][ T72] __sys_sendmsg+0xcd/0x170 [ 199.518116][ T72] do_syscall_64+0xc6/0x1e0 [ 199.518116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.518116][ T72] [ 209.761031][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 209.761967][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 209.761967][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 209.761967][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 209.761967][ T72] fib6_nh_init+0xa22/0x1580 [ 209.761967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.761967][ T72] ip6_route_add+0x1c/0x140 [ 209.761967][ T72] inet6_rtm_newroute+0x104/0x110 [ 209.761967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.761967][ T72] netlink_rcv_skb+0x130/0x360 [ 209.761967][ T72] netlink_unicast+0x449/0x710 [ 209.761967][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.761967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.761967][ T72] ___sys_sendmsg+0xee/0x170 [ 209.761967][ T72] __sys_sendmsg+0xcd/0x170 [ 209.761967][ T72] do_syscall_64+0xc6/0x1e0 [ 209.761967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.761967][ T72] [ 209.763820][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 209.763820][ T72] dst_init+0x84/0x4a0 [ 209.763820][ T72] dst_alloc+0x97/0x150 [ 209.763820][ T72] ip6_dst_alloc+0x23/0x90 [ 209.763820][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 209.763820][ T72] ip6_pol_route+0x56f/0x840 [ 209.763820][ T72] fib6_rule_lookup+0x456/0x630 [ 209.763820][ T72] ip6_route_input+0x59c/0xa50 [ 209.763820][ T72] ipv6_rcv+0x397/0x810 [ 209.763820][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 209.763820][ T72] process_backlog+0x101/0x620 [ 209.763820][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 209.763820][ T72] net_rx_action+0x495/0xbe0 [ 209.763820][ T72] __do_softirq+0x1b5/0x7f6 [ 209.763820][ T72] [ 209.765393][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 209.765393][ T72] netdev_get_by_index+0x5e/0x80 [ 209.765393][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.765393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.765393][ T72] ip6_route_add+0x1c/0x140 [ 209.765393][ T72] addrconf_prefix_route+0x2a6/0x430 [ 209.765393][ T72] inet6_addr_add+0x4f8/0xa40 [ 209.765393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.765393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.765393][ T72] netlink_rcv_skb+0x130/0x360 [ 209.765393][ T72] netlink_unicast+0x449/0x710 [ 209.765393][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.765393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.765393][ T72] ___sys_sendmsg+0xee/0x170 [ 209.765393][ T72] __sys_sendmsg+0xcd/0x170 [ 209.765393][ T72] do_syscall_64+0xc6/0x1e0 [ 209.765393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.765393][ T72] [ 209.767441][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 209.767441][ T72] netdev_get_by_index+0x5e/0x80 [ 209.767441][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.767441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.767441][ T72] addrconf_f6i_alloc+0x315/0x560 [ 209.767441][ T72] ipv6_add_addr+0x411/0x2000 [ 209.767441][ T72] inet6_addr_add+0x30e/0xa40 [ 209.767441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.767441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.767441][ T72] netlink_rcv_skb+0x130/0x360 [ 209.767441][ T72] netlink_unicast+0x449/0x710 [ 209.767441][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.767441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.767441][ T72] ___sys_sendmsg+0xee/0x170 [ 209.767441][ T72] __sys_sendmsg+0xcd/0x170 [ 209.767441][ T72] do_syscall_64+0xc6/0x1e0 [ 209.767441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.767441][ T72] [ 209.769446][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 209.769446][ T72] netdev_get_by_index+0x5e/0x80 [ 209.769446][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.769446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.769446][ T72] ip6_route_add+0x1c/0x140 [ 209.769446][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 209.769446][ T72] addrconf_add_dev+0xe2/0x170 [ 209.769446][ T72] inet6_addr_add+0x12f/0xa40 [ 209.769446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.769446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.769446][ T72] netlink_rcv_skb+0x130/0x360 [ 209.769446][ T72] netlink_unicast+0x449/0x710 [ 209.769446][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.769446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.769446][ T72] ___sys_sendmsg+0xee/0x170 [ 209.769446][ T72] __sys_sendmsg+0xcd/0x170 [ 209.769446][ T72] do_syscall_64+0xc6/0x1e0 [ 209.769446][ T72] [ 209.771437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 209.771437][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 209.771437][ T72] ipv6_find_idev+0x102/0x170 [ 209.771437][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.771437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.771437][ T72] netlink_rcv_skb+0x130/0x360 [ 209.771437][ T72] netlink_unicast+0x449/0x710 [ 209.771437][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.771437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.771437][ T72] ___sys_sendmsg+0xee/0x170 [ 209.771437][ T72] __sys_sendmsg+0xcd/0x170 [ 209.771437][ T72] do_syscall_64+0xc6/0x1e0 [ 209.771437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.771437][ T72] [ 209.772935][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 209.772935][ T72] neigh_parms_alloc+0x1e5/0x510 [ 209.772935][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 209.772935][ T72] ipv6_find_idev+0x102/0x170 [ 209.772935][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.772935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.772935][ T72] netlink_rcv_skb+0x130/0x360 [ 209.772935][ T72] netlink_unicast+0x449/0x710 [ 209.772935][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.772935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.772935][ T72] ___sys_sendmsg+0xee/0x170 [ 209.772935][ T72] __sys_sendmsg+0xcd/0x170 [ 209.772935][ T72] do_syscall_64+0xc6/0x1e0 [ 209.772935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.772935][ T72] [ 209.774615][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 209.774892][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 209.774892][ T72] dst_init+0x84/0x4a0 [ 209.774892][ T72] dst_alloc+0x97/0x150 [ 209.774892][ T72] ip6_dst_alloc+0x23/0x90 [ 209.774892][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 209.774892][ T72] ip6_pol_route+0x56f/0x840 [ 209.774892][ T72] fib6_rule_lookup+0x456/0x630 [ 209.774892][ T72] ip6_route_input+0x59c/0xa50 [ 209.774892][ T72] ipv6_rcv+0x397/0x810 [ 209.774892][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 209.774892][ T72] process_backlog+0x101/0x620 [ 209.774892][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 209.774892][ T72] net_rx_action+0x495/0xbe0 [ 209.774892][ T72] __do_softirq+0x1b5/0x7f6 [ 209.774892][ T72] [ 209.776497][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 209.776497][ T72] netdev_get_by_index+0x5e/0x80 [ 209.776497][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.776497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.776497][ T72] addrconf_f6i_alloc+0x265/0x560 [ 209.776497][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 209.776497][ T72] addrconf_join_anycast+0x1c0/0x220 [ 209.776497][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 209.776497][ T72] addrconf_dad_completed+0x12b/0xe20 [ 209.776497][ T72] addrconf_dad_begin+0x310/0x670 [ 209.776497][ T72] addrconf_dad_work+0x10b/0xab0 [ 209.776497][ T72] process_one_work+0x84d/0x18a0 [ 209.776497][ T72] worker_thread+0x587/0xd30 [ 209.776497][ T72] kthread+0x28a/0x350 [ 209.776497][ T72] ret_from_fork+0x31/0x70 [ 209.776497][ T72] ret_from_fork_asm+0x1a/0x30 [ 209.776497][ T72] [ 209.778439][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 209.778439][ T72] netdev_get_by_index+0x5e/0x80 [ 209.778439][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.778439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.778439][ T72] ip6_route_add+0x1c/0x140 [ 209.778439][ T72] addrconf_prefix_route+0x2a6/0x430 [ 209.778439][ T72] inet6_addr_add+0x4f8/0xa40 [ 209.778439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.778439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.778439][ T72] netlink_rcv_skb+0x130/0x360 [ 209.778439][ T72] netlink_unicast+0x449/0x710 [ 209.778439][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.778439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.778439][ T72] ___sys_sendmsg+0xee/0x170 [ 209.778439][ T72] __sys_sendmsg+0xcd/0x170 [ 209.778439][ T72] do_syscall_64+0xc6/0x1e0 [ 209.778439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.778439][ T72] [ 209.780399][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 209.780399][ T72] netdev_get_by_index+0x5e/0x80 [ 209.780399][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.780399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.780399][ T72] addrconf_f6i_alloc+0x315/0x560 [ 209.780399][ T72] ipv6_add_addr+0x411/0x2000 [ 209.780399][ T72] inet6_addr_add+0x30e/0xa40 [ 209.780399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.780399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.780399][ T72] netlink_rcv_skb+0x130/0x360 [ 209.780399][ T72] netlink_unicast+0x449/0x710 [ 209.780399][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.780399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.780399][ T72] ___sys_sendmsg+0xee/0x170 [ 209.780399][ T72] __sys_sendmsg+0xcd/0x170 [ 209.780399][ T72] do_syscall_64+0xc6/0x1e0 [ 209.780399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.780399][ T72] [ 209.782409][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 209.782409][ T72] netdev_get_by_index+0x5e/0x80 [ 209.782409][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.782409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.782409][ T72] ip6_route_add+0x1c/0x140 [ 209.782409][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 209.782409][ T72] addrconf_add_dev+0xe2/0x170 [ 209.782409][ T72] inet6_addr_add+0x12f/0xa40 [ 209.782409][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.782409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.782409][ T72] netlink_rcv_skb+0x130/0x360 [ 209.782409][ T72] netlink_unicast+0x449/0x710 [ 209.782409][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.782409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.782409][ T72] ___sys_sendmsg+0xee/0x170 [ 209.782409][ T72] __sys_sendmsg+0xcd/0x170 [ 209.782409][ T72] do_syscall_64+0xc6/0x1e0 [ 209.782409][ T72] [ 209.784302][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 209.784302][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 209.784302][ T72] ipv6_find_idev+0x102/0x170 [ 209.784302][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.784302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.784302][ T72] netlink_rcv_skb+0x130/0x360 [ 209.784302][ T72] netlink_unicast+0x449/0x710 [ 209.784302][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.784302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.784302][ T72] ___sys_sendmsg+0xee/0x170 [ 209.784302][ T72] __sys_sendmsg+0xcd/0x170 [ 209.784302][ T72] do_syscall_64+0xc6/0x1e0 [ 209.784302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.784302][ T72] [ 209.785792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 209.785792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 209.785792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 209.785792][ T72] ipv6_find_idev+0x102/0x170 [ 209.785792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.785792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.785792][ T72] netlink_rcv_skb+0x130/0x360 [ 209.785792][ T72] netlink_unicast+0x449/0x710 [ 209.785792][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.785792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.785792][ T72] ___sys_sendmsg+0xee/0x170 [ 209.785792][ T72] __sys_sendmsg+0xcd/0x170 [ 209.785792][ T72] do_syscall_64+0xc6/0x1e0 [ 209.785792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.785792][ T72] [ 209.787642][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 209.787979][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 209.787979][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 209.787979][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 209.787979][ T72] fib6_nh_init+0xa22/0x1580 [ 209.787979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.787979][ T72] ip6_route_add+0x1c/0x140 [ 209.787979][ T72] inet6_rtm_newroute+0x104/0x110 [ 209.787979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.787979][ T72] netlink_rcv_skb+0x130/0x360 [ 209.787979][ T72] netlink_unicast+0x449/0x710 [ 209.787979][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.787979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.787979][ T72] ___sys_sendmsg+0xee/0x170 [ 209.787979][ T72] __sys_sendmsg+0xcd/0x170 [ 209.787979][ T72] do_syscall_64+0xc6/0x1e0 [ 209.787979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.787979][ T72] [ 209.790069][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 209.790069][ T72] dst_init+0x84/0x4a0 [ 209.790069][ T72] dst_alloc+0x97/0x150 [ 209.790069][ T72] ip6_dst_alloc+0x23/0x90 [ 209.790069][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 209.790069][ T72] ip6_pol_route+0x56f/0x840 [ 209.790069][ T72] fib6_rule_lookup+0x456/0x630 [ 209.790069][ T72] ip6_route_input+0x59c/0xa50 [ 209.790069][ T72] ipv6_rcv+0x397/0x810 [ 209.790069][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 209.790069][ T72] process_backlog+0x101/0x620 [ 209.790069][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 209.790069][ T72] net_rx_action+0x495/0xbe0 [ 209.790069][ T72] __do_softirq+0x1b5/0x7f6 [ 209.790069][ T72] [ 209.791806][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 209.791806][ T72] netdev_get_by_index+0x5e/0x80 [ 209.791806][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.791806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.791806][ T72] ip6_route_add+0x1c/0x140 [ 209.791806][ T72] addrconf_prefix_route+0x2a6/0x430 [ 209.791806][ T72] inet6_addr_add+0x4f8/0xa40 [ 209.791806][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.791806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.791806][ T72] netlink_rcv_skb+0x130/0x360 [ 209.791806][ T72] netlink_unicast+0x449/0x710 [ 209.791806][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.791806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.791806][ T72] ___sys_sendmsg+0xee/0x170 [ 209.791806][ T72] __sys_sendmsg+0xcd/0x170 [ 209.791806][ T72] do_syscall_64+0xc6/0x1e0 [ 209.791806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.791806][ T72] [ 209.794022][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 209.794022][ T72] netdev_get_by_index+0x5e/0x80 [ 209.794022][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.794022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.794022][ T72] addrconf_f6i_alloc+0x315/0x560 [ 209.794022][ T72] ipv6_add_addr+0x411/0x2000 [ 209.794022][ T72] inet6_addr_add+0x30e/0xa40 [ 209.794022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.794022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.794022][ T72] netlink_rcv_skb+0x130/0x360 [ 209.794022][ T72] netlink_unicast+0x449/0x710 [ 209.794022][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.794022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.794022][ T72] ___sys_sendmsg+0xee/0x170 [ 209.794022][ T72] __sys_sendmsg+0xcd/0x170 [ 209.794022][ T72] do_syscall_64+0xc6/0x1e0 [ 209.794022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.794022][ T72] [ 209.796237][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 209.796237][ T72] netdev_get_by_index+0x5e/0x80 [ 209.796237][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.796237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.796237][ T72] ip6_route_add+0x1c/0x140 [ 209.796237][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 209.796237][ T72] addrconf_add_dev+0xe2/0x170 [ 209.796237][ T72] inet6_addr_add+0x12f/0xa40 [ 209.796237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.796237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.796237][ T72] netlink_rcv_skb+0x130/0x360 [ 209.796237][ T72] netlink_unicast+0x449/0x710 [ 209.796237][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.796237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.796237][ T72] ___sys_sendmsg+0xee/0x170 [ 209.796237][ T72] __sys_sendmsg+0xcd/0x170 [ 209.796237][ T72] do_syscall_64+0xc6/0x1e0 [ 209.796237][ T72] [ 209.798521][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 209.798521][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 209.798521][ T72] ipv6_find_idev+0x102/0x170 [ 209.798521][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.798521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.798521][ T72] netlink_rcv_skb+0x130/0x360 [ 209.798521][ T72] netlink_unicast+0x449/0x710 [ 209.798521][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.798521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.798521][ T72] ___sys_sendmsg+0xee/0x170 [ 209.798521][ T72] __sys_sendmsg+0xcd/0x170 [ 209.798521][ T72] do_syscall_64+0xc6/0x1e0 [ 209.798521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.798521][ T72] [ 209.800210][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 209.800210][ T72] neigh_parms_alloc+0x1e5/0x510 [ 209.800210][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 209.800210][ T72] ipv6_find_idev+0x102/0x170 [ 209.800210][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.800210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.800210][ T72] netlink_rcv_skb+0x130/0x360 [ 209.800210][ T72] netlink_unicast+0x449/0x710 [ 209.800210][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.800210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.800210][ T72] ___sys_sendmsg+0xee/0x170 [ 209.800210][ T72] __sys_sendmsg+0xcd/0x170 [ 209.800210][ T72] do_syscall_64+0xc6/0x1e0 [ 209.800210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.800210][ T72] [ 209.802110][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 209.802468][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 209.802468][ T72] netdev_get_by_index+0x5e/0x80 [ 209.802468][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.802468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.802468][ T72] addrconf_f6i_alloc+0x265/0x560 [ 209.802468][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 209.802468][ T72] addrconf_join_anycast+0x1c0/0x220 [ 209.802468][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 209.802468][ T72] addrconf_dad_completed+0x12b/0xe20 [ 209.802468][ T72] addrconf_dad_begin+0x310/0x670 [ 209.802468][ T72] addrconf_dad_work+0x10b/0xab0 [ 209.802468][ T72] process_one_work+0x84d/0x18a0 [ 209.802468][ T72] worker_thread+0x587/0xd30 [ 209.802468][ T72] kthread+0x28a/0x350 [ 209.802468][ T72] ret_from_fork+0x31/0x70 [ 209.802468][ T72] ret_from_fork_asm+0x1a/0x30 [ 209.802468][ T72] [ 209.804504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 209.804504][ T72] netdev_get_by_index+0x5e/0x80 [ 209.804504][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.804504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.804504][ T72] ip6_route_add+0x1c/0x140 [ 209.804504][ T72] addrconf_prefix_route+0x2a6/0x430 [ 209.804504][ T72] inet6_addr_add+0x4f8/0xa40 [ 209.804504][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.804504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.804504][ T72] netlink_rcv_skb+0x130/0x360 [ 209.804504][ T72] netlink_unicast+0x449/0x710 [ 209.804504][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.804504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.804504][ T72] ___sys_sendmsg+0xee/0x170 [ 209.804504][ T72] __sys_sendmsg+0xcd/0x170 [ 209.804504][ T72] do_syscall_64+0xc6/0x1e0 [ 209.804504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.804504][ T72] [ 209.806716][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 209.806716][ T72] netdev_get_by_index+0x5e/0x80 [ 209.806716][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.806716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.806716][ T72] addrconf_f6i_alloc+0x315/0x560 [ 209.806716][ T72] ipv6_add_addr+0x411/0x2000 [ 209.806716][ T72] inet6_addr_add+0x30e/0xa40 [ 209.806716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.806716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.806716][ T72] netlink_rcv_skb+0x130/0x360 [ 209.806716][ T72] netlink_unicast+0x449/0x710 [ 209.806716][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.806716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.806716][ T72] ___sys_sendmsg+0xee/0x170 [ 209.806716][ T72] __sys_sendmsg+0xcd/0x170 [ 209.806716][ T72] do_syscall_64+0xc6/0x1e0 [ 209.806716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.806716][ T72] [ 209.809025][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 209.809025][ T72] netdev_get_by_index+0x5e/0x80 [ 209.809025][ T72] fib6_nh_init+0x3d8/0x1580 [ 209.809025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 209.809025][ T72] ip6_route_add+0x1c/0x140 [ 209.809025][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 209.809025][ T72] addrconf_add_dev+0xe2/0x170 [ 209.809025][ T72] inet6_addr_add+0x12f/0xa40 [ 209.809025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 209.809025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.809025][ T72] netlink_rcv_skb+0x130/0x360 [ 209.809025][ T72] netlink_unicast+0x449/0x710 [ 209.809025][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.809025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.809025][ T72] ___sys_sendmsg+0xee/0x170 [ 209.809025][ T72] __sys_sendmsg+0xcd/0x170 [ 209.809025][ T72] do_syscall_64+0xc6/0x1e0 [ 209.809025][ T72] [ 209.811281][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 209.811281][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 209.811281][ T72] ipv6_find_idev+0x102/0x170 [ 209.811281][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.811281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.811281][ T72] netlink_rcv_skb+0x130/0x360 [ 209.811281][ T72] netlink_unicast+0x449/0x710 [ 209.811281][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.811281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.811281][ T72] ___sys_sendmsg+0xee/0x170 [ 209.811281][ T72] __sys_sendmsg+0xcd/0x170 [ 209.811281][ T72] do_syscall_64+0xc6/0x1e0 [ 209.811281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.811281][ T72] [ 209.812956][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 209.812956][ T72] neigh_parms_alloc+0x1e5/0x510 [ 209.812956][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 209.812956][ T72] ipv6_find_idev+0x102/0x170 [ 209.812956][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.812956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.812956][ T72] netlink_rcv_skb+0x130/0x360 [ 209.812956][ T72] netlink_unicast+0x449/0x710 [ 209.812956][ T72] netlink_sendmsg+0x723/0xbe0 [ 209.812956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 209.812956][ T72] ___sys_sendmsg+0xee/0x170 [ 209.812956][ T72] __sys_sendmsg+0xcd/0x170 [ 209.812956][ T72] do_syscall_64+0xc6/0x1e0 [ 209.812956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.812956][ T72] [ 219.944938][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 219.945398][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 219.945398][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 219.945398][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 219.945398][ T72] fib6_nh_init+0xa22/0x1580 [ 219.945398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.945398][ T72] ip6_route_add+0x1c/0x140 [ 219.945398][ T72] inet6_rtm_newroute+0x104/0x110 [ 219.945398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.945398][ T72] netlink_rcv_skb+0x130/0x360 [ 219.945398][ T72] netlink_unicast+0x449/0x710 [ 219.945398][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.945398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.945398][ T72] ___sys_sendmsg+0xee/0x170 [ 219.945398][ T72] __sys_sendmsg+0xcd/0x170 [ 219.945398][ T72] do_syscall_64+0xc6/0x1e0 [ 219.945398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.945398][ T72] [ 219.947365][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 219.947365][ T72] dst_init+0x84/0x4a0 [ 219.947365][ T72] dst_alloc+0x97/0x150 [ 219.947365][ T72] ip6_dst_alloc+0x23/0x90 [ 219.947365][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 219.947365][ T72] ip6_pol_route+0x56f/0x840 [ 219.947365][ T72] fib6_rule_lookup+0x456/0x630 [ 219.947365][ T72] ip6_route_input+0x59c/0xa50 [ 219.947365][ T72] ipv6_rcv+0x397/0x810 [ 219.947365][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 219.947365][ T72] process_backlog+0x101/0x620 [ 219.947365][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 219.947365][ T72] net_rx_action+0x495/0xbe0 [ 219.947365][ T72] __do_softirq+0x1b5/0x7f6 [ 219.947365][ T72] [ 219.949048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 219.949048][ T72] netdev_get_by_index+0x5e/0x80 [ 219.949048][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.949048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.949048][ T72] ip6_route_add+0x1c/0x140 [ 219.949048][ T72] addrconf_prefix_route+0x2a6/0x430 [ 219.949048][ T72] inet6_addr_add+0x4f8/0xa40 [ 219.949048][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.949048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.949048][ T72] netlink_rcv_skb+0x130/0x360 [ 219.949048][ T72] netlink_unicast+0x449/0x710 [ 219.949048][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.949048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.949048][ T72] ___sys_sendmsg+0xee/0x170 [ 219.949048][ T72] __sys_sendmsg+0xcd/0x170 [ 219.949048][ T72] do_syscall_64+0xc6/0x1e0 [ 219.949048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.949048][ T72] [ 219.951074][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 219.951074][ T72] netdev_get_by_index+0x5e/0x80 [ 219.951074][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.951074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.951074][ T72] addrconf_f6i_alloc+0x315/0x560 [ 219.951074][ T72] ipv6_add_addr+0x411/0x2000 [ 219.951074][ T72] inet6_addr_add+0x30e/0xa40 [ 219.951074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.951074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.951074][ T72] netlink_rcv_skb+0x130/0x360 [ 219.951074][ T72] netlink_unicast+0x449/0x710 [ 219.951074][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.951074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.951074][ T72] ___sys_sendmsg+0xee/0x170 [ 219.951074][ T72] __sys_sendmsg+0xcd/0x170 [ 219.951074][ T72] do_syscall_64+0xc6/0x1e0 [ 219.951074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.951074][ T72] [ 219.953045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 219.953045][ T72] netdev_get_by_index+0x5e/0x80 [ 219.953045][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.953045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.953045][ T72] ip6_route_add+0x1c/0x140 [ 219.953045][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 219.953045][ T72] addrconf_add_dev+0xe2/0x170 [ 219.953045][ T72] inet6_addr_add+0x12f/0xa40 [ 219.953045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.953045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.953045][ T72] netlink_rcv_skb+0x130/0x360 [ 219.953045][ T72] netlink_unicast+0x449/0x710 [ 219.953045][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.953045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.953045][ T72] ___sys_sendmsg+0xee/0x170 [ 219.953045][ T72] __sys_sendmsg+0xcd/0x170 [ 219.953045][ T72] do_syscall_64+0xc6/0x1e0 [ 219.953045][ T72] [ 219.954987][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 219.954987][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 219.954987][ T72] ipv6_find_idev+0x102/0x170 [ 219.954987][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.954987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.954987][ T72] netlink_rcv_skb+0x130/0x360 [ 219.954987][ T72] netlink_unicast+0x449/0x710 [ 219.954987][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.954987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.954987][ T72] ___sys_sendmsg+0xee/0x170 [ 219.954987][ T72] __sys_sendmsg+0xcd/0x170 [ 219.954987][ T72] do_syscall_64+0xc6/0x1e0 [ 219.954987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.954987][ T72] [ 219.956533][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 219.956533][ T72] neigh_parms_alloc+0x1e5/0x510 [ 219.956533][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 219.956533][ T72] ipv6_find_idev+0x102/0x170 [ 219.956533][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.956533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.956533][ T72] netlink_rcv_skb+0x130/0x360 [ 219.956533][ T72] netlink_unicast+0x449/0x710 [ 219.956533][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.956533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.956533][ T72] ___sys_sendmsg+0xee/0x170 [ 219.956533][ T72] __sys_sendmsg+0xcd/0x170 [ 219.956533][ T72] do_syscall_64+0xc6/0x1e0 [ 219.956533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.956533][ T72] [ 219.958328][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 219.958604][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 219.958604][ T72] dst_init+0x84/0x4a0 [ 219.958604][ T72] dst_alloc+0x97/0x150 [ 219.958604][ T72] ip6_dst_alloc+0x23/0x90 [ 219.958604][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 219.958604][ T72] ip6_pol_route+0x56f/0x840 [ 219.958604][ T72] fib6_rule_lookup+0x456/0x630 [ 219.958604][ T72] ip6_route_input+0x59c/0xa50 [ 219.958604][ T72] ipv6_rcv+0x397/0x810 [ 219.958604][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 219.958604][ T72] process_backlog+0x101/0x620 [ 219.958604][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 219.958604][ T72] net_rx_action+0x495/0xbe0 [ 219.958604][ T72] __do_softirq+0x1b5/0x7f6 [ 219.958604][ T72] [ 219.960229][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 219.960229][ T72] netdev_get_by_index+0x5e/0x80 [ 219.960229][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.960229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.960229][ T72] addrconf_f6i_alloc+0x265/0x560 [ 219.960229][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 219.960229][ T72] addrconf_join_anycast+0x1c0/0x220 [ 219.960229][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 219.960229][ T72] addrconf_dad_completed+0x12b/0xe20 [ 219.960229][ T72] addrconf_dad_begin+0x310/0x670 [ 219.960229][ T72] addrconf_dad_work+0x10b/0xab0 [ 219.960229][ T72] process_one_work+0x84d/0x18a0 [ 219.960229][ T72] worker_thread+0x587/0xd30 [ 219.960229][ T72] kthread+0x28a/0x350 [ 219.960229][ T72] ret_from_fork+0x31/0x70 [ 219.960229][ T72] ret_from_fork_asm+0x1a/0x30 [ 219.960229][ T72] [ 219.962201][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 219.962201][ T72] netdev_get_by_index+0x5e/0x80 [ 219.962201][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.962201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.962201][ T72] ip6_route_add+0x1c/0x140 [ 219.962201][ T72] addrconf_prefix_route+0x2a6/0x430 [ 219.962201][ T72] inet6_addr_add+0x4f8/0xa40 [ 219.962201][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.962201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.962201][ T72] netlink_rcv_skb+0x130/0x360 [ 219.962201][ T72] netlink_unicast+0x449/0x710 [ 219.962201][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.962201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.962201][ T72] ___sys_sendmsg+0xee/0x170 [ 219.962201][ T72] __sys_sendmsg+0xcd/0x170 [ 219.962201][ T72] do_syscall_64+0xc6/0x1e0 [ 219.962201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.962201][ T72] [ 219.964206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 219.964206][ T72] netdev_get_by_index+0x5e/0x80 [ 219.964206][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.964206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.964206][ T72] addrconf_f6i_alloc+0x315/0x560 [ 219.964206][ T72] ipv6_add_addr+0x411/0x2000 [ 219.964206][ T72] inet6_addr_add+0x30e/0xa40 [ 219.964206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.964206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.964206][ T72] netlink_rcv_skb+0x130/0x360 [ 219.964206][ T72] netlink_unicast+0x449/0x710 [ 219.964206][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.964206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.964206][ T72] ___sys_sendmsg+0xee/0x170 [ 219.964206][ T72] __sys_sendmsg+0xcd/0x170 [ 219.964206][ T72] do_syscall_64+0xc6/0x1e0 [ 219.964206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.964206][ T72] [ 219.966232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 219.966232][ T72] netdev_get_by_index+0x5e/0x80 [ 219.966232][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.966232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.966232][ T72] ip6_route_add+0x1c/0x140 [ 219.966232][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 219.966232][ T72] addrconf_add_dev+0xe2/0x170 [ 219.966232][ T72] inet6_addr_add+0x12f/0xa40 [ 219.966232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.966232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.966232][ T72] netlink_rcv_skb+0x130/0x360 [ 219.966232][ T72] netlink_unicast+0x449/0x710 [ 219.966232][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.966232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.966232][ T72] ___sys_sendmsg+0xee/0x170 [ 219.966232][ T72] __sys_sendmsg+0xcd/0x170 [ 219.966232][ T72] do_syscall_64+0xc6/0x1e0 [ 219.966232][ T72] [ 219.968232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 219.968232][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 219.968232][ T72] ipv6_find_idev+0x102/0x170 [ 219.968232][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.968232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.968232][ T72] netlink_rcv_skb+0x130/0x360 [ 219.968232][ T72] netlink_unicast+0x449/0x710 [ 219.968232][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.968232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.968232][ T72] ___sys_sendmsg+0xee/0x170 [ 219.968232][ T72] __sys_sendmsg+0xcd/0x170 [ 219.968232][ T72] do_syscall_64+0xc6/0x1e0 [ 219.968232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.968232][ T72] [ 219.969782][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 219.969782][ T72] neigh_parms_alloc+0x1e5/0x510 [ 219.969782][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 219.969782][ T72] ipv6_find_idev+0x102/0x170 [ 219.969782][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.969782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.969782][ T72] netlink_rcv_skb+0x130/0x360 [ 219.969782][ T72] netlink_unicast+0x449/0x710 [ 219.969782][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.969782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.969782][ T72] ___sys_sendmsg+0xee/0x170 [ 219.969782][ T72] __sys_sendmsg+0xcd/0x170 [ 219.969782][ T72] do_syscall_64+0xc6/0x1e0 [ 219.969782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.969782][ T72] [ 219.971598][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 219.971887][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 219.971887][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 219.971887][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 219.971887][ T72] fib6_nh_init+0xa22/0x1580 [ 219.971887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.971887][ T72] ip6_route_add+0x1c/0x140 [ 219.971887][ T72] inet6_rtm_newroute+0x104/0x110 [ 219.971887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.971887][ T72] netlink_rcv_skb+0x130/0x360 [ 219.971887][ T72] netlink_unicast+0x449/0x710 [ 219.971887][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.971887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.971887][ T72] ___sys_sendmsg+0xee/0x170 [ 219.971887][ T72] __sys_sendmsg+0xcd/0x170 [ 219.971887][ T72] do_syscall_64+0xc6/0x1e0 [ 219.971887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.971887][ T72] [ 219.974097][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 219.974097][ T72] dst_init+0x84/0x4a0 [ 219.974097][ T72] dst_alloc+0x97/0x150 [ 219.974097][ T72] ip6_dst_alloc+0x23/0x90 [ 219.974097][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 219.974097][ T72] ip6_pol_route+0x56f/0x840 [ 219.974097][ T72] fib6_rule_lookup+0x456/0x630 [ 219.974097][ T72] ip6_route_input+0x59c/0xa50 [ 219.974097][ T72] ipv6_rcv+0x397/0x810 [ 219.974097][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 219.974097][ T72] process_backlog+0x101/0x620 [ 219.974097][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 219.974097][ T72] net_rx_action+0x495/0xbe0 [ 219.974097][ T72] __do_softirq+0x1b5/0x7f6 [ 219.974097][ T72] [ 219.975907][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 219.975907][ T72] netdev_get_by_index+0x5e/0x80 [ 219.975907][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.975907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.975907][ T72] ip6_route_add+0x1c/0x140 [ 219.975907][ T72] addrconf_prefix_route+0x2a6/0x430 [ 219.975907][ T72] inet6_addr_add+0x4f8/0xa40 [ 219.975907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.975907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.975907][ T72] netlink_rcv_skb+0x130/0x360 [ 219.975907][ T72] netlink_unicast+0x449/0x710 [ 219.975907][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.975907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.975907][ T72] ___sys_sendmsg+0xee/0x170 [ 219.975907][ T72] __sys_sendmsg+0xcd/0x170 [ 219.975907][ T72] do_syscall_64+0xc6/0x1e0 [ 219.975907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.975907][ T72] [ 219.978175][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 219.978175][ T72] netdev_get_by_index+0x5e/0x80 [ 219.978175][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.978175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.978175][ T72] addrconf_f6i_alloc+0x315/0x560 [ 219.978175][ T72] ipv6_add_addr+0x411/0x2000 [ 219.978175][ T72] inet6_addr_add+0x30e/0xa40 [ 219.978175][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.978175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.978175][ T72] netlink_rcv_skb+0x130/0x360 [ 219.978175][ T72] netlink_unicast+0x449/0x710 [ 219.978175][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.978175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.978175][ T72] ___sys_sendmsg+0xee/0x170 [ 219.978175][ T72] __sys_sendmsg+0xcd/0x170 [ 219.978175][ T72] do_syscall_64+0xc6/0x1e0 [ 219.978175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.978175][ T72] [ 219.980377][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 219.980377][ T72] netdev_get_by_index+0x5e/0x80 [ 219.980377][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.980377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.980377][ T72] ip6_route_add+0x1c/0x140 [ 219.980377][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 219.980377][ T72] addrconf_add_dev+0xe2/0x170 [ 219.980377][ T72] inet6_addr_add+0x12f/0xa40 [ 219.980377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.980377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.980377][ T72] netlink_rcv_skb+0x130/0x360 [ 219.980377][ T72] netlink_unicast+0x449/0x710 [ 219.980377][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.980377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.980377][ T72] ___sys_sendmsg+0xee/0x170 [ 219.980377][ T72] __sys_sendmsg+0xcd/0x170 [ 219.980377][ T72] do_syscall_64+0xc6/0x1e0 [ 219.980377][ T72] [ 219.982533][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 219.982533][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 219.982533][ T72] ipv6_find_idev+0x102/0x170 [ 219.982533][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.982533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.982533][ T72] netlink_rcv_skb+0x130/0x360 [ 219.982533][ T72] netlink_unicast+0x449/0x710 [ 219.982533][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.982533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.982533][ T72] ___sys_sendmsg+0xee/0x170 [ 219.982533][ T72] __sys_sendmsg+0xcd/0x170 [ 219.982533][ T72] do_syscall_64+0xc6/0x1e0 [ 219.982533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.982533][ T72] [ 219.984251][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 219.984251][ T72] neigh_parms_alloc+0x1e5/0x510 [ 219.984251][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 219.984251][ T72] ipv6_find_idev+0x102/0x170 [ 219.984251][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.984251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.984251][ T72] netlink_rcv_skb+0x130/0x360 [ 219.984251][ T72] netlink_unicast+0x449/0x710 [ 219.984251][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.984251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.984251][ T72] ___sys_sendmsg+0xee/0x170 [ 219.984251][ T72] __sys_sendmsg+0xcd/0x170 [ 219.984251][ T72] do_syscall_64+0xc6/0x1e0 [ 219.984251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.984251][ T72] [ 219.986158][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 219.986456][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 219.986456][ T72] netdev_get_by_index+0x5e/0x80 [ 219.986456][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.986456][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.986456][ T72] addrconf_f6i_alloc+0x265/0x560 [ 219.986456][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 219.986456][ T72] addrconf_join_anycast+0x1c0/0x220 [ 219.986456][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 219.986456][ T72] addrconf_dad_completed+0x12b/0xe20 [ 219.986456][ T72] addrconf_dad_begin+0x310/0x670 [ 219.986456][ T72] addrconf_dad_work+0x10b/0xab0 [ 219.986456][ T72] process_one_work+0x84d/0x18a0 [ 219.986456][ T72] worker_thread+0x587/0xd30 [ 219.986456][ T72] kthread+0x28a/0x350 [ 219.986456][ T72] ret_from_fork+0x31/0x70 [ 219.986456][ T72] ret_from_fork_asm+0x1a/0x30 [ 219.986456][ T72] [ 219.988627][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 219.988627][ T72] netdev_get_by_index+0x5e/0x80 [ 219.988627][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.988627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.988627][ T72] ip6_route_add+0x1c/0x140 [ 219.988627][ T72] addrconf_prefix_route+0x2a6/0x430 [ 219.988627][ T72] inet6_addr_add+0x4f8/0xa40 [ 219.988627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.988627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.988627][ T72] netlink_rcv_skb+0x130/0x360 [ 219.988627][ T72] netlink_unicast+0x449/0x710 [ 219.988627][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.988627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.988627][ T72] ___sys_sendmsg+0xee/0x170 [ 219.988627][ T72] __sys_sendmsg+0xcd/0x170 [ 219.988627][ T72] do_syscall_64+0xc6/0x1e0 [ 219.988627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.988627][ T72] [ 219.990800][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 219.990800][ T72] netdev_get_by_index+0x5e/0x80 [ 219.990800][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.990800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.990800][ T72] addrconf_f6i_alloc+0x315/0x560 [ 219.990800][ T72] ipv6_add_addr+0x411/0x2000 [ 219.990800][ T72] inet6_addr_add+0x30e/0xa40 [ 219.990800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.990800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.990800][ T72] netlink_rcv_skb+0x130/0x360 [ 219.990800][ T72] netlink_unicast+0x449/0x710 [ 219.990800][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.990800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.990800][ T72] ___sys_sendmsg+0xee/0x170 [ 219.990800][ T72] __sys_sendmsg+0xcd/0x170 [ 219.990800][ T72] do_syscall_64+0xc6/0x1e0 [ 219.990800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.990800][ T72] [ 219.993218][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 219.993218][ T72] netdev_get_by_index+0x5e/0x80 [ 219.993218][ T72] fib6_nh_init+0x3d8/0x1580 [ 219.993218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 219.993218][ T72] ip6_route_add+0x1c/0x140 [ 219.993218][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 219.993218][ T72] addrconf_add_dev+0xe2/0x170 [ 219.993218][ T72] inet6_addr_add+0x12f/0xa40 [ 219.993218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 219.993218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.993218][ T72] netlink_rcv_skb+0x130/0x360 [ 219.993218][ T72] netlink_unicast+0x449/0x710 [ 219.993218][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.993218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.993218][ T72] ___sys_sendmsg+0xee/0x170 [ 219.993218][ T72] __sys_sendmsg+0xcd/0x170 [ 219.993218][ T72] do_syscall_64+0xc6/0x1e0 [ 219.993218][ T72] [ 219.995511][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 219.995511][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 219.995511][ T72] ipv6_find_idev+0x102/0x170 [ 219.995511][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.995511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.995511][ T72] netlink_rcv_skb+0x130/0x360 [ 219.995511][ T72] netlink_unicast+0x449/0x710 [ 219.995511][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.995511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.995511][ T72] ___sys_sendmsg+0xee/0x170 [ 219.995511][ T72] __sys_sendmsg+0xcd/0x170 [ 219.995511][ T72] do_syscall_64+0xc6/0x1e0 [ 219.995511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.995511][ T72] [ 219.997286][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 219.997286][ T72] neigh_parms_alloc+0x1e5/0x510 [ 219.997286][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 219.997286][ T72] ipv6_find_idev+0x102/0x170 [ 219.997286][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.997286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.997286][ T72] netlink_rcv_skb+0x130/0x360 [ 219.997286][ T72] netlink_unicast+0x449/0x710 [ 219.997286][ T72] netlink_sendmsg+0x723/0xbe0 [ 219.997286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 219.997286][ T72] ___sys_sendmsg+0xee/0x170 [ 219.997286][ T72] __sys_sendmsg+0xcd/0x170 [ 219.997286][ T72] do_syscall_64+0xc6/0x1e0 [ 219.997286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.997286][ T72] [ 230.240889][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 230.241404][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 230.241404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 230.241404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 230.241404][ T72] fib6_nh_init+0xa22/0x1580 [ 230.241404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.241404][ T72] ip6_route_add+0x1c/0x140 [ 230.241404][ T72] inet6_rtm_newroute+0x104/0x110 [ 230.241404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.241404][ T72] netlink_rcv_skb+0x130/0x360 [ 230.241404][ T72] netlink_unicast+0x449/0x710 [ 230.241404][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.241404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.241404][ T72] ___sys_sendmsg+0xee/0x170 [ 230.241404][ T72] __sys_sendmsg+0xcd/0x170 [ 230.241404][ T72] do_syscall_64+0xc6/0x1e0 [ 230.241404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.241404][ T72] [ 230.243555][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 230.243555][ T72] dst_init+0x84/0x4a0 [ 230.243555][ T72] dst_alloc+0x97/0x150 [ 230.243555][ T72] ip6_dst_alloc+0x23/0x90 [ 230.243555][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 230.243555][ T72] ip6_pol_route+0x56f/0x840 [ 230.243555][ T72] fib6_rule_lookup+0x456/0x630 [ 230.243555][ T72] ip6_route_input+0x59c/0xa50 [ 230.243555][ T72] ipv6_rcv+0x397/0x810 [ 230.243555][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 230.243555][ T72] process_backlog+0x101/0x620 [ 230.243555][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 230.243555][ T72] net_rx_action+0x495/0xbe0 [ 230.243555][ T72] __do_softirq+0x1b5/0x7f6 [ 230.243555][ T72] [ 230.245420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 230.245420][ T72] netdev_get_by_index+0x5e/0x80 [ 230.245420][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.245420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.245420][ T72] ip6_route_add+0x1c/0x140 [ 230.245420][ T72] addrconf_prefix_route+0x2a6/0x430 [ 230.245420][ T72] inet6_addr_add+0x4f8/0xa40 [ 230.245420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.245420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.245420][ T72] netlink_rcv_skb+0x130/0x360 [ 230.245420][ T72] netlink_unicast+0x449/0x710 [ 230.245420][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.245420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.245420][ T72] ___sys_sendmsg+0xee/0x170 [ 230.245420][ T72] __sys_sendmsg+0xcd/0x170 [ 230.245420][ T72] do_syscall_64+0xc6/0x1e0 [ 230.245420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.245420][ T72] [ 230.247697][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 230.247697][ T72] netdev_get_by_index+0x5e/0x80 [ 230.247697][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.247697][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.247697][ T72] addrconf_f6i_alloc+0x315/0x560 [ 230.247697][ T72] ipv6_add_addr+0x411/0x2000 [ 230.247697][ T72] inet6_addr_add+0x30e/0xa40 [ 230.247697][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.247697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.247697][ T72] netlink_rcv_skb+0x130/0x360 [ 230.247697][ T72] netlink_unicast+0x449/0x710 [ 230.247697][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.247697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.247697][ T72] ___sys_sendmsg+0xee/0x170 [ 230.247697][ T72] __sys_sendmsg+0xcd/0x170 [ 230.247697][ T72] do_syscall_64+0xc6/0x1e0 [ 230.247697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.247697][ T72] [ 230.249981][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 230.249981][ T72] netdev_get_by_index+0x5e/0x80 [ 230.249981][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.249981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.249981][ T72] ip6_route_add+0x1c/0x140 [ 230.249981][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 230.249981][ T72] addrconf_add_dev+0xe2/0x170 [ 230.249981][ T72] inet6_addr_add+0x12f/0xa40 [ 230.249981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.249981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.249981][ T72] netlink_rcv_skb+0x130/0x360 [ 230.249981][ T72] netlink_unicast+0x449/0x710 [ 230.249981][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.249981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.249981][ T72] ___sys_sendmsg+0xee/0x170 [ 230.249981][ T72] __sys_sendmsg+0xcd/0x170 [ 230.249981][ T72] do_syscall_64+0xc6/0x1e0 [ 230.249981][ T72] [ 230.252187][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 230.252187][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 230.252187][ T72] ipv6_find_idev+0x102/0x170 [ 230.252187][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 230.252187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.252187][ T72] netlink_rcv_skb+0x130/0x360 [ 230.252187][ T72] netlink_unicast+0x449/0x710 [ 230.252187][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.252187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.252187][ T72] ___sys_sendmsg+0xee/0x170 [ 230.252187][ T72] __sys_sendmsg+0xcd/0x170 [ 230.252187][ T72] do_syscall_64+0xc6/0x1e0 [ 230.252187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.252187][ T72] [ 230.253933][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 230.253933][ T72] neigh_parms_alloc+0x1e5/0x510 [ 230.253933][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 230.253933][ T72] ipv6_find_idev+0x102/0x170 [ 230.253933][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 230.253933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.253933][ T72] netlink_rcv_skb+0x130/0x360 [ 230.253933][ T72] netlink_unicast+0x449/0x710 [ 230.253933][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.253933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.253933][ T72] ___sys_sendmsg+0xee/0x170 [ 230.253933][ T72] __sys_sendmsg+0xcd/0x170 [ 230.253933][ T72] do_syscall_64+0xc6/0x1e0 [ 230.253933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.253933][ T72] [ 230.255882][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 230.256195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 230.256195][ T72] dst_init+0x84/0x4a0 [ 230.256195][ T72] dst_alloc+0x97/0x150 [ 230.256195][ T72] ip6_dst_alloc+0x23/0x90 [ 230.256195][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 230.256195][ T72] ip6_pol_route+0x56f/0x840 [ 230.256195][ T72] fib6_rule_lookup+0x456/0x630 [ 230.256195][ T72] ip6_route_input+0x59c/0xa50 [ 230.256195][ T72] ipv6_rcv+0x397/0x810 [ 230.256195][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 230.256195][ T72] process_backlog+0x101/0x620 [ 230.256195][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 230.256195][ T72] net_rx_action+0x495/0xbe0 [ 230.256195][ T72] __do_softirq+0x1b5/0x7f6 [ 230.256195][ T72] [ 230.258056][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 230.258056][ T72] netdev_get_by_index+0x5e/0x80 [ 230.258056][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.258056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.258056][ T72] addrconf_f6i_alloc+0x265/0x560 [ 230.258056][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 230.258056][ T72] addrconf_join_anycast+0x1c0/0x220 [ 230.258056][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 230.258056][ T72] addrconf_dad_completed+0x12b/0xe20 [ 230.258056][ T72] addrconf_dad_begin+0x310/0x670 [ 230.258056][ T72] addrconf_dad_work+0x10b/0xab0 [ 230.258056][ T72] process_one_work+0x84d/0x18a0 [ 230.258056][ T72] worker_thread+0x587/0xd30 [ 230.258056][ T72] kthread+0x28a/0x350 [ 230.258056][ T72] ret_from_fork+0x31/0x70 [ 230.258056][ T72] ret_from_fork_asm+0x1a/0x30 [ 230.258056][ T72] [ 230.260170][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 230.260170][ T72] netdev_get_by_index+0x5e/0x80 [ 230.260170][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.260170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.260170][ T72] ip6_route_add+0x1c/0x140 [ 230.260170][ T72] addrconf_prefix_route+0x2a6/0x430 [ 230.260170][ T72] inet6_addr_add+0x4f8/0xa40 [ 230.260170][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.260170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.260170][ T72] netlink_rcv_skb+0x130/0x360 [ 230.260170][ T72] netlink_unicast+0x449/0x710 [ 230.260170][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.260170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.260170][ T72] ___sys_sendmsg+0xee/0x170 [ 230.260170][ T72] __sys_sendmsg+0xcd/0x170 [ 230.260170][ T72] do_syscall_64+0xc6/0x1e0 [ 230.260170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.260170][ T72] [ 230.262390][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 230.262390][ T72] netdev_get_by_index+0x5e/0x80 [ 230.262390][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.262390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.262390][ T72] addrconf_f6i_alloc+0x315/0x560 [ 230.262390][ T72] ipv6_add_addr+0x411/0x2000 [ 230.262390][ T72] inet6_addr_add+0x30e/0xa40 [ 230.262390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.262390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.262390][ T72] netlink_rcv_skb+0x130/0x360 [ 230.262390][ T72] netlink_unicast+0x449/0x710 [ 230.262390][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.262390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.262390][ T72] ___sys_sendmsg+0xee/0x170 [ 230.262390][ T72] __sys_sendmsg+0xcd/0x170 [ 230.262390][ T72] do_syscall_64+0xc6/0x1e0 [ 230.262390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.262390][ T72] [ 230.264612][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 230.264612][ T72] netdev_get_by_index+0x5e/0x80 [ 230.264612][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.264612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.264612][ T72] ip6_route_add+0x1c/0x140 [ 230.264612][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 230.264612][ T72] addrconf_add_dev+0xe2/0x170 [ 230.264612][ T72] inet6_addr_add+0x12f/0xa40 [ 230.264612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.264612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.264612][ T72] netlink_rcv_skb+0x130/0x360 [ 230.264612][ T72] netlink_unicast+0x449/0x710 [ 230.264612][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.264612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.264612][ T72] ___sys_sendmsg+0xee/0x170 [ 230.264612][ T72] __sys_sendmsg+0xcd/0x170 [ 230.264612][ T72] do_syscall_64+0xc6/0x1e0 [ 230.264612][ T72] [ 230.266813][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 230.266813][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 230.266813][ T72] ipv6_find_idev+0x102/0x170 [ 230.266813][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 230.266813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.266813][ T72] netlink_rcv_skb+0x130/0x360 [ 230.266813][ T72] netlink_unicast+0x449/0x710 [ 230.266813][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.266813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.266813][ T72] ___sys_sendmsg+0xee/0x170 [ 230.266813][ T72] __sys_sendmsg+0xcd/0x170 [ 230.266813][ T72] do_syscall_64+0xc6/0x1e0 [ 230.266813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.266813][ T72] [ 230.268519][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 230.268519][ T72] neigh_parms_alloc+0x1e5/0x510 [ 230.268519][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 230.268519][ T72] ipv6_find_idev+0x102/0x170 [ 230.268519][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 230.268519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.268519][ T72] netlink_rcv_skb+0x130/0x360 [ 230.268519][ T72] netlink_unicast+0x449/0x710 [ 230.268519][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.268519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.268519][ T72] ___sys_sendmsg+0xee/0x170 [ 230.268519][ T72] __sys_sendmsg+0xcd/0x170 [ 230.268519][ T72] do_syscall_64+0xc6/0x1e0 [ 230.268519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.268519][ T72] [ 230.270487][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 230.270784][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 230.270784][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 230.270784][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 230.270784][ T72] fib6_nh_init+0xa22/0x1580 [ 230.270784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.270784][ T72] ip6_route_add+0x1c/0x140 [ 230.270784][ T72] inet6_rtm_newroute+0x104/0x110 [ 230.270784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.270784][ T72] netlink_rcv_skb+0x130/0x360 [ 230.270784][ T72] netlink_unicast+0x449/0x710 [ 230.270784][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.270784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.270784][ T72] ___sys_sendmsg+0xee/0x170 [ 230.270784][ T72] __sys_sendmsg+0xcd/0x170 [ 230.270784][ T72] do_syscall_64+0xc6/0x1e0 [ 230.270784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.270784][ T72] [ 230.273079][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 230.273079][ T72] dst_init+0x84/0x4a0 [ 230.273079][ T72] dst_alloc+0x97/0x150 [ 230.273079][ T72] ip6_dst_alloc+0x23/0x90 [ 230.273079][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 230.273079][ T72] ip6_pol_route+0x56f/0x840 [ 230.273079][ T72] fib6_rule_lookup+0x456/0x630 [ 230.273079][ T72] ip6_route_input+0x59c/0xa50 [ 230.273079][ T72] ipv6_rcv+0x397/0x810 [ 230.273079][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 230.273079][ T72] process_backlog+0x101/0x620 [ 230.273079][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 230.273079][ T72] net_rx_action+0x495/0xbe0 [ 230.273079][ T72] __do_softirq+0x1b5/0x7f6 [ 230.273079][ T72] [ 230.274945][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 230.274945][ T72] netdev_get_by_index+0x5e/0x80 [ 230.274945][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.274945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.274945][ T72] ip6_route_add+0x1c/0x140 [ 230.274945][ T72] addrconf_prefix_route+0x2a6/0x430 [ 230.274945][ T72] inet6_addr_add+0x4f8/0xa40 [ 230.274945][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.274945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.274945][ T72] netlink_rcv_skb+0x130/0x360 [ 230.274945][ T72] netlink_unicast+0x449/0x710 [ 230.274945][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.274945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.274945][ T72] ___sys_sendmsg+0xee/0x170 [ 230.274945][ T72] __sys_sendmsg+0xcd/0x170 [ 230.274945][ T72] do_syscall_64+0xc6/0x1e0 [ 230.274945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.274945][ T72] [ 230.277315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 230.277315][ T72] netdev_get_by_index+0x5e/0x80 [ 230.277315][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.277315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.277315][ T72] addrconf_f6i_alloc+0x315/0x560 [ 230.277315][ T72] ipv6_add_addr+0x411/0x2000 [ 230.277315][ T72] inet6_addr_add+0x30e/0xa40 [ 230.277315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.277315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.277315][ T72] netlink_rcv_skb+0x130/0x360 [ 230.277315][ T72] netlink_unicast+0x449/0x710 [ 230.277315][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.277315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.277315][ T72] ___sys_sendmsg+0xee/0x170 [ 230.277315][ T72] __sys_sendmsg+0xcd/0x170 [ 230.277315][ T72] do_syscall_64+0xc6/0x1e0 [ 230.277315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.277315][ T72] [ 230.279817][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 230.279817][ T72] netdev_get_by_index+0x5e/0x80 [ 230.279817][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.279817][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.279817][ T72] ip6_route_add+0x1c/0x140 [ 230.279817][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 230.279817][ T72] addrconf_add_dev+0xe2/0x170 [ 230.279817][ T72] inet6_addr_add+0x12f/0xa40 [ 230.279817][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.279817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.279817][ T72] netlink_rcv_skb+0x130/0x360 [ 230.279817][ T72] netlink_unicast+0x449/0x710 [ 230.279817][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.279817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.279817][ T72] ___sys_sendmsg+0xee/0x170 [ 230.279817][ T72] __sys_sendmsg+0xcd/0x170 [ 230.279817][ T72] do_syscall_64+0xc6/0x1e0 [ 230.279817][ T72] [ 230.282133][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 230.282133][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 230.282133][ T72] ipv6_find_idev+0x102/0x170 [ 230.282133][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 230.282133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.282133][ T72] netlink_rcv_skb+0x130/0x360 [ 230.282133][ T72] netlink_unicast+0x449/0x710 [ 230.282133][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.282133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.282133][ T72] ___sys_sendmsg+0xee/0x170 [ 230.282133][ T72] __sys_sendmsg+0xcd/0x170 [ 230.282133][ T72] do_syscall_64+0xc6/0x1e0 [ 230.282133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.282133][ T72] [ 230.283934][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 230.283934][ T72] neigh_parms_alloc+0x1e5/0x510 [ 230.283934][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 230.283934][ T72] ipv6_find_idev+0x102/0x170 [ 230.283934][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 230.283934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.283934][ T72] netlink_rcv_skb+0x130/0x360 [ 230.283934][ T72] netlink_unicast+0x449/0x710 [ 230.283934][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.283934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.283934][ T72] ___sys_sendmsg+0xee/0x170 [ 230.283934][ T72] __sys_sendmsg+0xcd/0x170 [ 230.283934][ T72] do_syscall_64+0xc6/0x1e0 [ 230.283934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.283934][ T72] [ 230.285925][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 230.286238][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 230.286238][ T72] netdev_get_by_index+0x5e/0x80 [ 230.286238][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.286238][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.286238][ T72] addrconf_f6i_alloc+0x265/0x560 [ 230.286238][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 230.286238][ T72] addrconf_join_anycast+0x1c0/0x220 [ 230.286238][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 230.286238][ T72] addrconf_dad_completed+0x12b/0xe20 [ 230.286238][ T72] addrconf_dad_begin+0x310/0x670 [ 230.286238][ T72] addrconf_dad_work+0x10b/0xab0 [ 230.286238][ T72] process_one_work+0x84d/0x18a0 [ 230.286238][ T72] worker_thread+0x587/0xd30 [ 230.286238][ T72] kthread+0x28a/0x350 [ 230.286238][ T72] ret_from_fork+0x31/0x70 [ 230.286238][ T72] ret_from_fork_asm+0x1a/0x30 [ 230.286238][ T72] [ 230.288512][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 230.288512][ T72] netdev_get_by_index+0x5e/0x80 [ 230.288512][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.288512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.288512][ T72] ip6_route_add+0x1c/0x140 [ 230.288512][ T72] addrconf_prefix_route+0x2a6/0x430 [ 230.288512][ T72] inet6_addr_add+0x4f8/0xa40 [ 230.288512][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.288512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.288512][ T72] netlink_rcv_skb+0x130/0x360 [ 230.288512][ T72] netlink_unicast+0x449/0x710 [ 230.288512][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.288512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.288512][ T72] ___sys_sendmsg+0xee/0x170 [ 230.288512][ T72] __sys_sendmsg+0xcd/0x170 [ 230.288512][ T72] do_syscall_64+0xc6/0x1e0 [ 230.288512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.288512][ T72] [ 230.290848][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 230.290848][ T72] netdev_get_by_index+0x5e/0x80 [ 230.290848][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.290848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.290848][ T72] addrconf_f6i_alloc+0x315/0x560 [ 230.290848][ T72] ipv6_add_addr+0x411/0x2000 [ 230.290848][ T72] inet6_addr_add+0x30e/0xa40 [ 230.290848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.290848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.290848][ T72] netlink_rcv_skb+0x130/0x360 [ 230.290848][ T72] netlink_unicast+0x449/0x710 [ 230.290848][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.290848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.290848][ T72] ___sys_sendmsg+0xee/0x170 [ 230.290848][ T72] __sys_sendmsg+0xcd/0x170 [ 230.290848][ T72] do_syscall_64+0xc6/0x1e0 [ 230.290848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.290848][ T72] [ 230.293194][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 230.293194][ T72] netdev_get_by_index+0x5e/0x80 [ 230.293194][ T72] fib6_nh_init+0x3d8/0x1580 [ 230.293194][ T72] ip6_route_info_create+0xf18/0x17d0 [ 230.293194][ T72] ip6_route_add+0x1c/0x140 [ 230.293194][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 230.293194][ T72] addrconf_add_dev+0xe2/0x170 [ 230.293194][ T72] inet6_addr_add+0x12f/0xa40 [ 230.293194][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 230.293194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.293194][ T72] netlink_rcv_skb+0x130/0x360 [ 230.293194][ T72] netlink_unicast+0x449/0x710 [ 230.293194][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.293194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.293194][ T72] ___sys_sendmsg+0xee/0x170 [ 230.293194][ T72] __sys_sendmsg+0xcd/0x170 [ 230.293194][ T72] do_syscall_64+0xc6/0x1e0 [ 230.293194][ T72] [ 230.295496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 230.295496][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 230.295496][ T72] ipv6_find_idev+0x102/0x170 [ 230.295496][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 230.295496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.295496][ T72] netlink_rcv_skb+0x130/0x360 [ 230.295496][ T72] netlink_unicast+0x449/0x710 [ 230.295496][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.295496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.295496][ T72] ___sys_sendmsg+0xee/0x170 [ 230.295496][ T72] __sys_sendmsg+0xcd/0x170 [ 230.295496][ T72] do_syscall_64+0xc6/0x1e0 [ 230.295496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.295496][ T72] [ 230.297347][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 230.297347][ T72] neigh_parms_alloc+0x1e5/0x510 [ 230.297347][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 230.297347][ T72] ipv6_find_idev+0x102/0x170 [ 230.297347][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 230.297347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 230.297347][ T72] netlink_rcv_skb+0x130/0x360 [ 230.297347][ T72] netlink_unicast+0x449/0x710 [ 230.297347][ T72] netlink_sendmsg+0x723/0xbe0 [ 230.297347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 230.297347][ T72] ___sys_sendmsg+0xee/0x170 [ 230.297347][ T72] __sys_sendmsg+0xcd/0x170 [ 230.297347][ T72] do_syscall_64+0xc6/0x1e0 [ 230.297347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 230.297347][ T72] [ 240.536831][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 240.537332][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 240.537332][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 240.537332][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 240.537332][ T72] fib6_nh_init+0xa22/0x1580 [ 240.537332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.537332][ T72] ip6_route_add+0x1c/0x140 [ 240.537332][ T72] inet6_rtm_newroute+0x104/0x110 [ 240.537332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.537332][ T72] netlink_rcv_skb+0x130/0x360 [ 240.537332][ T72] netlink_unicast+0x449/0x710 [ 240.537332][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.537332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.537332][ T72] ___sys_sendmsg+0xee/0x170 [ 240.537332][ T72] __sys_sendmsg+0xcd/0x170 [ 240.537332][ T72] do_syscall_64+0xc6/0x1e0 [ 240.537332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.537332][ T72] [ 240.539445][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 240.539445][ T72] dst_init+0x84/0x4a0 [ 240.539445][ T72] dst_alloc+0x97/0x150 [ 240.539445][ T72] ip6_dst_alloc+0x23/0x90 [ 240.539445][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 240.539445][ T72] ip6_pol_route+0x56f/0x840 [ 240.539445][ T72] fib6_rule_lookup+0x456/0x630 [ 240.539445][ T72] ip6_route_input+0x59c/0xa50 [ 240.539445][ T72] ipv6_rcv+0x397/0x810 [ 240.539445][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 240.539445][ T72] process_backlog+0x101/0x620 [ 240.539445][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 240.539445][ T72] net_rx_action+0x495/0xbe0 [ 240.539445][ T72] __do_softirq+0x1b5/0x7f6 [ 240.539445][ T72] [ 240.541270][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 240.541270][ T72] netdev_get_by_index+0x5e/0x80 [ 240.541270][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.541270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.541270][ T72] ip6_route_add+0x1c/0x140 [ 240.541270][ T72] addrconf_prefix_route+0x2a6/0x430 [ 240.541270][ T72] inet6_addr_add+0x4f8/0xa40 [ 240.541270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.541270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.541270][ T72] netlink_rcv_skb+0x130/0x360 [ 240.541270][ T72] netlink_unicast+0x449/0x710 [ 240.541270][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.541270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.541270][ T72] ___sys_sendmsg+0xee/0x170 [ 240.541270][ T72] __sys_sendmsg+0xcd/0x170 [ 240.541270][ T72] do_syscall_64+0xc6/0x1e0 [ 240.541270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.541270][ T72] [ 240.543482][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 240.543482][ T72] netdev_get_by_index+0x5e/0x80 [ 240.543482][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.543482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.543482][ T72] addrconf_f6i_alloc+0x315/0x560 [ 240.543482][ T72] ipv6_add_addr+0x411/0x2000 [ 240.543482][ T72] inet6_addr_add+0x30e/0xa40 [ 240.543482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.543482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.543482][ T72] netlink_rcv_skb+0x130/0x360 [ 240.543482][ T72] netlink_unicast+0x449/0x710 [ 240.543482][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.543482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.543482][ T72] ___sys_sendmsg+0xee/0x170 [ 240.543482][ T72] __sys_sendmsg+0xcd/0x170 [ 240.543482][ T72] do_syscall_64+0xc6/0x1e0 [ 240.543482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.543482][ T72] [ 240.545698][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 240.545698][ T72] netdev_get_by_index+0x5e/0x80 [ 240.545698][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.545698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.545698][ T72] ip6_route_add+0x1c/0x140 [ 240.545698][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 240.545698][ T72] addrconf_add_dev+0xe2/0x170 [ 240.545698][ T72] inet6_addr_add+0x12f/0xa40 [ 240.545698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.545698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.545698][ T72] netlink_rcv_skb+0x130/0x360 [ 240.545698][ T72] netlink_unicast+0x449/0x710 [ 240.545698][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.545698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.545698][ T72] ___sys_sendmsg+0xee/0x170 [ 240.545698][ T72] __sys_sendmsg+0xcd/0x170 [ 240.545698][ T72] do_syscall_64+0xc6/0x1e0 [ 240.545698][ T72] [ 240.547888][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 240.547888][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 240.547888][ T72] ipv6_find_idev+0x102/0x170 [ 240.547888][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.547888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.547888][ T72] netlink_rcv_skb+0x130/0x360 [ 240.547888][ T72] netlink_unicast+0x449/0x710 [ 240.547888][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.547888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.547888][ T72] ___sys_sendmsg+0xee/0x170 [ 240.547888][ T72] __sys_sendmsg+0xcd/0x170 [ 240.547888][ T72] do_syscall_64+0xc6/0x1e0 [ 240.547888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.547888][ T72] [ 240.549590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 240.549590][ T72] neigh_parms_alloc+0x1e5/0x510 [ 240.549590][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 240.549590][ T72] ipv6_find_idev+0x102/0x170 [ 240.549590][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.549590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.549590][ T72] netlink_rcv_skb+0x130/0x360 [ 240.549590][ T72] netlink_unicast+0x449/0x710 [ 240.549590][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.549590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.549590][ T72] ___sys_sendmsg+0xee/0x170 [ 240.549590][ T72] __sys_sendmsg+0xcd/0x170 [ 240.549590][ T72] do_syscall_64+0xc6/0x1e0 [ 240.549590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.549590][ T72] [ 240.551485][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 240.551804][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 240.551804][ T72] dst_init+0x84/0x4a0 [ 240.551804][ T72] dst_alloc+0x97/0x150 [ 240.551804][ T72] ip6_dst_alloc+0x23/0x90 [ 240.551804][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 240.551804][ T72] ip6_pol_route+0x56f/0x840 [ 240.551804][ T72] fib6_rule_lookup+0x456/0x630 [ 240.551804][ T72] ip6_route_input+0x59c/0xa50 [ 240.551804][ T72] ipv6_rcv+0x397/0x810 [ 240.551804][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 240.551804][ T72] process_backlog+0x101/0x620 [ 240.551804][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 240.551804][ T72] net_rx_action+0x495/0xbe0 [ 240.551804][ T72] __do_softirq+0x1b5/0x7f6 [ 240.551804][ T72] [ 240.553623][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 240.553623][ T72] netdev_get_by_index+0x5e/0x80 [ 240.553623][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.553623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.553623][ T72] addrconf_f6i_alloc+0x265/0x560 [ 240.553623][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 240.553623][ T72] addrconf_join_anycast+0x1c0/0x220 [ 240.553623][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 240.553623][ T72] addrconf_dad_completed+0x12b/0xe20 [ 240.553623][ T72] addrconf_dad_begin+0x310/0x670 [ 240.553623][ T72] addrconf_dad_work+0x10b/0xab0 [ 240.553623][ T72] process_one_work+0x84d/0x18a0 [ 240.553623][ T72] worker_thread+0x587/0xd30 [ 240.553623][ T72] kthread+0x28a/0x350 [ 240.553623][ T72] ret_from_fork+0x31/0x70 [ 240.553623][ T72] ret_from_fork_asm+0x1a/0x30 [ 240.553623][ T72] [ 240.555742][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 240.555742][ T72] netdev_get_by_index+0x5e/0x80 [ 240.555742][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.555742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.555742][ T72] ip6_route_add+0x1c/0x140 [ 240.555742][ T72] addrconf_prefix_route+0x2a6/0x430 [ 240.555742][ T72] inet6_addr_add+0x4f8/0xa40 [ 240.555742][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.555742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.555742][ T72] netlink_rcv_skb+0x130/0x360 [ 240.555742][ T72] netlink_unicast+0x449/0x710 [ 240.555742][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.555742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.555742][ T72] ___sys_sendmsg+0xee/0x170 [ 240.555742][ T72] __sys_sendmsg+0xcd/0x170 [ 240.555742][ T72] do_syscall_64+0xc6/0x1e0 [ 240.555742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.555742][ T72] [ 240.557985][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 240.557985][ T72] netdev_get_by_index+0x5e/0x80 [ 240.557985][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.557985][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.557985][ T72] addrconf_f6i_alloc+0x315/0x560 [ 240.557985][ T72] ipv6_add_addr+0x411/0x2000 [ 240.557985][ T72] inet6_addr_add+0x30e/0xa40 [ 240.557985][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.557985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.557985][ T72] netlink_rcv_skb+0x130/0x360 [ 240.557985][ T72] netlink_unicast+0x449/0x710 [ 240.557985][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.557985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.557985][ T72] ___sys_sendmsg+0xee/0x170 [ 240.557985][ T72] __sys_sendmsg+0xcd/0x170 [ 240.557985][ T72] do_syscall_64+0xc6/0x1e0 [ 240.557985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.557985][ T72] [ 240.560195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 240.560195][ T72] netdev_get_by_index+0x5e/0x80 [ 240.560195][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.560195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.560195][ T72] ip6_route_add+0x1c/0x140 [ 240.560195][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 240.560195][ T72] addrconf_add_dev+0xe2/0x170 [ 240.560195][ T72] inet6_addr_add+0x12f/0xa40 [ 240.560195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.560195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.560195][ T72] netlink_rcv_skb+0x130/0x360 [ 240.560195][ T72] netlink_unicast+0x449/0x710 [ 240.560195][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.560195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.560195][ T72] ___sys_sendmsg+0xee/0x170 [ 240.560195][ T72] __sys_sendmsg+0xcd/0x170 [ 240.560195][ T72] do_syscall_64+0xc6/0x1e0 [ 240.560195][ T72] [ 240.562404][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 240.562404][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 240.562404][ T72] ipv6_find_idev+0x102/0x170 [ 240.562404][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.562404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.562404][ T72] netlink_rcv_skb+0x130/0x360 [ 240.562404][ T72] netlink_unicast+0x449/0x710 [ 240.562404][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.562404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.562404][ T72] ___sys_sendmsg+0xee/0x170 [ 240.562404][ T72] __sys_sendmsg+0xcd/0x170 [ 240.562404][ T72] do_syscall_64+0xc6/0x1e0 [ 240.562404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.562404][ T72] [ 240.564096][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 240.564096][ T72] neigh_parms_alloc+0x1e5/0x510 [ 240.564096][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 240.564096][ T72] ipv6_find_idev+0x102/0x170 [ 240.564096][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.564096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.564096][ T72] netlink_rcv_skb+0x130/0x360 [ 240.564096][ T72] netlink_unicast+0x449/0x710 [ 240.564096][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.564096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.564096][ T72] ___sys_sendmsg+0xee/0x170 [ 240.564096][ T72] __sys_sendmsg+0xcd/0x170 [ 240.564096][ T72] do_syscall_64+0xc6/0x1e0 [ 240.564096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.564096][ T72] [ 240.566080][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 240.566384][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 240.566384][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 240.566384][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 240.566384][ T72] fib6_nh_init+0xa22/0x1580 [ 240.566384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.566384][ T72] ip6_route_add+0x1c/0x140 [ 240.566384][ T72] inet6_rtm_newroute+0x104/0x110 [ 240.566384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.566384][ T72] netlink_rcv_skb+0x130/0x360 [ 240.566384][ T72] netlink_unicast+0x449/0x710 [ 240.566384][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.566384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.566384][ T72] ___sys_sendmsg+0xee/0x170 [ 240.566384][ T72] __sys_sendmsg+0xcd/0x170 [ 240.566384][ T72] do_syscall_64+0xc6/0x1e0 [ 240.566384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.566384][ T72] [ 240.568789][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 240.568789][ T72] dst_init+0x84/0x4a0 [ 240.568789][ T72] dst_alloc+0x97/0x150 [ 240.568789][ T72] ip6_dst_alloc+0x23/0x90 [ 240.568789][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 240.568789][ T72] ip6_pol_route+0x56f/0x840 [ 240.568789][ T72] fib6_rule_lookup+0x456/0x630 [ 240.568789][ T72] ip6_route_input+0x59c/0xa50 [ 240.568789][ T72] ipv6_rcv+0x397/0x810 [ 240.568789][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 240.568789][ T72] process_backlog+0x101/0x620 [ 240.568789][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 240.568789][ T72] net_rx_action+0x495/0xbe0 [ 240.568789][ T72] __do_softirq+0x1b5/0x7f6 [ 240.568789][ T72] [ 240.570782][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 240.570782][ T72] netdev_get_by_index+0x5e/0x80 [ 240.570782][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.570782][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.570782][ T72] ip6_route_add+0x1c/0x140 [ 240.570782][ T72] addrconf_prefix_route+0x2a6/0x430 [ 240.570782][ T72] inet6_addr_add+0x4f8/0xa40 [ 240.570782][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.570782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.570782][ T72] netlink_rcv_skb+0x130/0x360 [ 240.570782][ T72] netlink_unicast+0x449/0x710 [ 240.570782][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.570782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.570782][ T72] ___sys_sendmsg+0xee/0x170 [ 240.570782][ T72] __sys_sendmsg+0xcd/0x170 [ 240.570782][ T72] do_syscall_64+0xc6/0x1e0 [ 240.570782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.570782][ T72] [ 240.573230][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 240.573230][ T72] netdev_get_by_index+0x5e/0x80 [ 240.573230][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.573230][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.573230][ T72] addrconf_f6i_alloc+0x315/0x560 [ 240.573230][ T72] ipv6_add_addr+0x411/0x2000 [ 240.573230][ T72] inet6_addr_add+0x30e/0xa40 [ 240.573230][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.573230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.573230][ T72] netlink_rcv_skb+0x130/0x360 [ 240.573230][ T72] netlink_unicast+0x449/0x710 [ 240.573230][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.573230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.573230][ T72] ___sys_sendmsg+0xee/0x170 [ 240.573230][ T72] __sys_sendmsg+0xcd/0x170 [ 240.573230][ T72] do_syscall_64+0xc6/0x1e0 [ 240.573230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.573230][ T72] [ 240.575662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 240.575662][ T72] netdev_get_by_index+0x5e/0x80 [ 240.575662][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.575662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.575662][ T72] ip6_route_add+0x1c/0x140 [ 240.575662][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 240.575662][ T72] addrconf_add_dev+0xe2/0x170 [ 240.575662][ T72] inet6_addr_add+0x12f/0xa40 [ 240.575662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.575662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.575662][ T72] netlink_rcv_skb+0x130/0x360 [ 240.575662][ T72] netlink_unicast+0x449/0x710 [ 240.575662][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.575662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.575662][ T72] ___sys_sendmsg+0xee/0x170 [ 240.575662][ T72] __sys_sendmsg+0xcd/0x170 [ 240.575662][ T72] do_syscall_64+0xc6/0x1e0 [ 240.575662][ T72] [ 240.578100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 240.578100][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 240.578100][ T72] ipv6_find_idev+0x102/0x170 [ 240.578100][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.578100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.578100][ T72] netlink_rcv_skb+0x130/0x360 [ 240.578100][ T72] netlink_unicast+0x449/0x710 [ 240.578100][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.578100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.578100][ T72] ___sys_sendmsg+0xee/0x170 [ 240.578100][ T72] __sys_sendmsg+0xcd/0x170 [ 240.578100][ T72] do_syscall_64+0xc6/0x1e0 [ 240.578100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.578100][ T72] [ 240.579985][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 240.579985][ T72] neigh_parms_alloc+0x1e5/0x510 [ 240.579985][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 240.579985][ T72] ipv6_find_idev+0x102/0x170 [ 240.579985][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.579985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.579985][ T72] netlink_rcv_skb+0x130/0x360 [ 240.579985][ T72] netlink_unicast+0x449/0x710 [ 240.579985][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.579985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.579985][ T72] ___sys_sendmsg+0xee/0x170 [ 240.579985][ T72] __sys_sendmsg+0xcd/0x170 [ 240.579985][ T72] do_syscall_64+0xc6/0x1e0 [ 240.579985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.579985][ T72] [ 240.582060][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 240.582449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 240.582449][ T72] netdev_get_by_index+0x5e/0x80 [ 240.582449][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.582449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.582449][ T72] addrconf_f6i_alloc+0x265/0x560 [ 240.582449][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 240.582449][ T72] addrconf_join_anycast+0x1c0/0x220 [ 240.582449][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 240.582449][ T72] addrconf_dad_completed+0x12b/0xe20 [ 240.582449][ T72] addrconf_dad_begin+0x310/0x670 [ 240.582449][ T72] addrconf_dad_work+0x10b/0xab0 [ 240.582449][ T72] process_one_work+0x84d/0x18a0 [ 240.582449][ T72] worker_thread+0x587/0xd30 [ 240.582449][ T72] kthread+0x28a/0x350 [ 240.582449][ T72] ret_from_fork+0x31/0x70 [ 240.582449][ T72] ret_from_fork_asm+0x1a/0x30 [ 240.582449][ T72] [ 240.584672][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 240.584672][ T72] netdev_get_by_index+0x5e/0x80 [ 240.584672][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.584672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.584672][ T72] ip6_route_add+0x1c/0x140 [ 240.584672][ T72] addrconf_prefix_route+0x2a6/0x430 [ 240.584672][ T72] inet6_addr_add+0x4f8/0xa40 [ 240.584672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.584672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.584672][ T72] netlink_rcv_skb+0x130/0x360 [ 240.584672][ T72] netlink_unicast+0x449/0x710 [ 240.584672][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.584672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.584672][ T72] ___sys_sendmsg+0xee/0x170 [ 240.584672][ T72] __sys_sendmsg+0xcd/0x170 [ 240.584672][ T72] do_syscall_64+0xc6/0x1e0 [ 240.584672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.584672][ T72] [ 240.587147][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 240.587147][ T72] netdev_get_by_index+0x5e/0x80 [ 240.587147][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.587147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.587147][ T72] addrconf_f6i_alloc+0x315/0x560 [ 240.587147][ T72] ipv6_add_addr+0x411/0x2000 [ 240.587147][ T72] inet6_addr_add+0x30e/0xa40 [ 240.587147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.587147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.587147][ T72] netlink_rcv_skb+0x130/0x360 [ 240.587147][ T72] netlink_unicast+0x449/0x710 [ 240.587147][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.587147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.587147][ T72] ___sys_sendmsg+0xee/0x170 [ 240.587147][ T72] __sys_sendmsg+0xcd/0x170 [ 240.587147][ T72] do_syscall_64+0xc6/0x1e0 [ 240.587147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.587147][ T72] [ 240.589642][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 240.589642][ T72] netdev_get_by_index+0x5e/0x80 [ 240.589642][ T72] fib6_nh_init+0x3d8/0x1580 [ 240.589642][ T72] ip6_route_info_create+0xf18/0x17d0 [ 240.589642][ T72] ip6_route_add+0x1c/0x140 [ 240.589642][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 240.589642][ T72] addrconf_add_dev+0xe2/0x170 [ 240.589642][ T72] inet6_addr_add+0x12f/0xa40 [ 240.589642][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 240.589642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.589642][ T72] netlink_rcv_skb+0x130/0x360 [ 240.589642][ T72] netlink_unicast+0x449/0x710 [ 240.589642][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.589642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.589642][ T72] ___sys_sendmsg+0xee/0x170 [ 240.589642][ T72] __sys_sendmsg+0xcd/0x170 [ 240.589642][ T72] do_syscall_64+0xc6/0x1e0 [ 240.589642][ T72] [ 240.592048][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 240.592048][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 240.592048][ T72] ipv6_find_idev+0x102/0x170 [ 240.592048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.592048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.592048][ T72] netlink_rcv_skb+0x130/0x360 [ 240.592048][ T72] netlink_unicast+0x449/0x710 [ 240.592048][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.592048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.592048][ T72] ___sys_sendmsg+0xee/0x170 [ 240.592048][ T72] __sys_sendmsg+0xcd/0x170 [ 240.592048][ T72] do_syscall_64+0xc6/0x1e0 [ 240.592048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.592048][ T72] [ 240.593971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 240.593971][ T72] neigh_parms_alloc+0x1e5/0x510 [ 240.593971][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 240.593971][ T72] ipv6_find_idev+0x102/0x170 [ 240.593971][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.593971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.593971][ T72] netlink_rcv_skb+0x130/0x360 [ 240.593971][ T72] netlink_unicast+0x449/0x710 [ 240.593971][ T72] netlink_sendmsg+0x723/0xbe0 [ 240.593971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 240.593971][ T72] ___sys_sendmsg+0xee/0x170 [ 240.593971][ T72] __sys_sendmsg+0xcd/0x170 [ 240.593971][ T72] do_syscall_64+0xc6/0x1e0 [ 240.593971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.593971][ T72] [ 247.081001][ T42] INFO: task modprobe:885 blocked for more than 122 seconds. [ 247.081978][ T42] Not tainted 6.8.0-virtme #1 [ 247.082123][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.082596][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 247.082869][ T42] Call Trace: [ 247.082976][ T42] [ 247.083052][ T42] __schedule+0x705/0x1ac0 [ 247.083190][ T42] ? __pfx___schedule+0x10/0x10 [ 247.083331][ T42] ? schedule+0x1a5/0x210 [ 247.083423][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 247.083550][ T42] ? schedule+0x1a5/0x210 [ 247.083644][ T42] schedule+0xdf/0x210 [ 247.083736][ T42] schedule_preempt_disabled+0x15/0x30 [ 247.083884][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 247.084139][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 247.084298][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 247.084428][ T42] ? lock_acquire+0x1c1/0x220 [ 247.084549][ T42] ? register_pernet_subsys+0x1a/0x50 [ 247.084680][ T42] down_write+0x1c9/0x200 [ 247.084776][ T42] ? __pfx_down_write+0x10/0x10 [ 247.084912][ T42] ? __lock_release+0x103/0x460 [ 247.085038][ T42] ? __create_object+0x5e/0xb0 [ 247.085173][ T42] ? __pfx___lock_release+0x10/0x10 [ 247.085294][ T42] register_pernet_subsys+0x1a/0x50 [ 247.085411][ T42] tcf_register_action+0xa3/0x600 [ 247.085530][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 247.085687][ T42] do_one_initcall+0xc8/0x3f0 [ 247.085833][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 247.085976][ T42] ? __create_object+0x5e/0xb0 [ 247.086105][ T42] ? kasan_unpoison+0x27/0x60 [ 247.086242][ T42] do_init_module+0x233/0x740 [ 247.086378][ T42] load_module+0x16b5/0x2350 [ 247.086522][ T42] ? __pfx_load_module+0x10/0x10 [ 247.086672][ T42] ? kernel_read_file+0x3d2/0x520 [ 247.086816][ T42] ? kernel_read_file+0x300/0x520 [ 247.086947][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 247.087080][ T42] ? init_module_from_file+0xd2/0x130 [ 247.087206][ T42] init_module_from_file+0xd2/0x130 [ 247.087334][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 247.087491][ T42] ? __lock_release+0x103/0x460 [ 247.087619][ T42] ? idempotent_init_module+0x32a/0x620 [ 247.087775][ T42] ? idempotent_init_module+0x32a/0x620 [ 247.087920][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 247.088048][ T42] idempotent_init_module+0x342/0x620 [ 247.088174][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 247.088345][ T42] __x64_sys_finit_module+0xbe/0x130 [ 247.088473][ T42] do_syscall_64+0xc6/0x1e0 [ 247.088602][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 247.088774][ T42] RIP: 0033:0x7f41a8dc5e5d [ 247.088919][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 247.089113][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 247.089305][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 247.089495][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 247.089684][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 247.089891][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 247.090097][ T42] [ 247.090197][ T42] [ 247.090197][ T42] Showing all locks held in the system: [ 247.090474][ T42] 2 locks held by kworker/u20:0/39: [ 247.090599][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 247.090871][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 247.091157][ T42] 1 lock held by khungtaskd/42: [ 247.091288][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 247.091512][ T42] 3 locks held by kworker/u16:1/72: [ 247.091629][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 247.091907][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 247.092122][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 247.092340][ T42] 1 lock held by modprobe/885: [ 247.092456][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 247.092719][ T42] [ 247.092785][ T42] ============================================= [ 247.092785][ T42] [ 250.832912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 250.833529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 250.833529][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 250.833529][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 250.833529][ T72] fib6_nh_init+0xa22/0x1580 [ 250.833529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.833529][ T72] ip6_route_add+0x1c/0x140 [ 250.833529][ T72] inet6_rtm_newroute+0x104/0x110 [ 250.833529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.833529][ T72] netlink_rcv_skb+0x130/0x360 [ 250.833529][ T72] netlink_unicast+0x449/0x710 [ 250.833529][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.833529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.833529][ T72] ___sys_sendmsg+0xee/0x170 [ 250.833529][ T72] __sys_sendmsg+0xcd/0x170 [ 250.833529][ T72] do_syscall_64+0xc6/0x1e0 [ 250.833529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.833529][ T72] [ 250.835744][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 250.835744][ T72] dst_init+0x84/0x4a0 [ 250.835744][ T72] dst_alloc+0x97/0x150 [ 250.835744][ T72] ip6_dst_alloc+0x23/0x90 [ 250.835744][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 250.835744][ T72] ip6_pol_route+0x56f/0x840 [ 250.835744][ T72] fib6_rule_lookup+0x456/0x630 [ 250.835744][ T72] ip6_route_input+0x59c/0xa50 [ 250.835744][ T72] ipv6_rcv+0x397/0x810 [ 250.835744][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 250.835744][ T72] process_backlog+0x101/0x620 [ 250.835744][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 250.835744][ T72] net_rx_action+0x495/0xbe0 [ 250.835744][ T72] __do_softirq+0x1b5/0x7f6 [ 250.835744][ T72] [ 250.837598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 250.837598][ T72] netdev_get_by_index+0x5e/0x80 [ 250.837598][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.837598][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.837598][ T72] ip6_route_add+0x1c/0x140 [ 250.837598][ T72] addrconf_prefix_route+0x2a6/0x430 [ 250.837598][ T72] inet6_addr_add+0x4f8/0xa40 [ 250.837598][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.837598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.837598][ T72] netlink_rcv_skb+0x130/0x360 [ 250.837598][ T72] netlink_unicast+0x449/0x710 [ 250.837598][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.837598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.837598][ T72] ___sys_sendmsg+0xee/0x170 [ 250.837598][ T72] __sys_sendmsg+0xcd/0x170 [ 250.837598][ T72] do_syscall_64+0xc6/0x1e0 [ 250.837598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.837598][ T72] [ 250.839826][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 250.839826][ T72] netdev_get_by_index+0x5e/0x80 [ 250.839826][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.839826][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.839826][ T72] addrconf_f6i_alloc+0x315/0x560 [ 250.839826][ T72] ipv6_add_addr+0x411/0x2000 [ 250.839826][ T72] inet6_addr_add+0x30e/0xa40 [ 250.839826][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.839826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.839826][ T72] netlink_rcv_skb+0x130/0x360 [ 250.839826][ T72] netlink_unicast+0x449/0x710 [ 250.839826][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.839826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.839826][ T72] ___sys_sendmsg+0xee/0x170 [ 250.839826][ T72] __sys_sendmsg+0xcd/0x170 [ 250.839826][ T72] do_syscall_64+0xc6/0x1e0 [ 250.839826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.839826][ T72] [ 250.842007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 250.842007][ T72] netdev_get_by_index+0x5e/0x80 [ 250.842007][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.842007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.842007][ T72] ip6_route_add+0x1c/0x140 [ 250.842007][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 250.842007][ T72] addrconf_add_dev+0xe2/0x170 [ 250.842007][ T72] inet6_addr_add+0x12f/0xa40 [ 250.842007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.842007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.842007][ T72] netlink_rcv_skb+0x130/0x360 [ 250.842007][ T72] netlink_unicast+0x449/0x710 [ 250.842007][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.842007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.842007][ T72] ___sys_sendmsg+0xee/0x170 [ 250.842007][ T72] __sys_sendmsg+0xcd/0x170 [ 250.842007][ T72] do_syscall_64+0xc6/0x1e0 [ 250.842007][ T72] [ 250.844222][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 250.844222][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 250.844222][ T72] ipv6_find_idev+0x102/0x170 [ 250.844222][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.844222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.844222][ T72] netlink_rcv_skb+0x130/0x360 [ 250.844222][ T72] netlink_unicast+0x449/0x710 [ 250.844222][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.844222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.844222][ T72] ___sys_sendmsg+0xee/0x170 [ 250.844222][ T72] __sys_sendmsg+0xcd/0x170 [ 250.844222][ T72] do_syscall_64+0xc6/0x1e0 [ 250.844222][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.844222][ T72] [ 250.845906][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 250.845906][ T72] neigh_parms_alloc+0x1e5/0x510 [ 250.845906][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 250.845906][ T72] ipv6_find_idev+0x102/0x170 [ 250.845906][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.845906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.845906][ T72] netlink_rcv_skb+0x130/0x360 [ 250.845906][ T72] netlink_unicast+0x449/0x710 [ 250.845906][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.845906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.845906][ T72] ___sys_sendmsg+0xee/0x170 [ 250.845906][ T72] __sys_sendmsg+0xcd/0x170 [ 250.845906][ T72] do_syscall_64+0xc6/0x1e0 [ 250.845906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.845906][ T72] [ 250.847803][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 250.848100][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 250.848100][ T72] dst_init+0x84/0x4a0 [ 250.848100][ T72] dst_alloc+0x97/0x150 [ 250.848100][ T72] ip6_dst_alloc+0x23/0x90 [ 250.848100][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 250.848100][ T72] ip6_pol_route+0x56f/0x840 [ 250.848100][ T72] fib6_rule_lookup+0x456/0x630 [ 250.848100][ T72] ip6_route_input+0x59c/0xa50 [ 250.848100][ T72] ipv6_rcv+0x397/0x810 [ 250.848100][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 250.848100][ T72] process_backlog+0x101/0x620 [ 250.848100][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 250.848100][ T72] net_rx_action+0x495/0xbe0 [ 250.848100][ T72] __do_softirq+0x1b5/0x7f6 [ 250.848100][ T72] [ 250.849895][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 250.849895][ T72] netdev_get_by_index+0x5e/0x80 [ 250.849895][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.849895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.849895][ T72] addrconf_f6i_alloc+0x265/0x560 [ 250.849895][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 250.849895][ T72] addrconf_join_anycast+0x1c0/0x220 [ 250.849895][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 250.849895][ T72] addrconf_dad_completed+0x12b/0xe20 [ 250.849895][ T72] addrconf_dad_begin+0x310/0x670 [ 250.849895][ T72] addrconf_dad_work+0x10b/0xab0 [ 250.849895][ T72] process_one_work+0x84d/0x18a0 [ 250.849895][ T72] worker_thread+0x587/0xd30 [ 250.849895][ T72] kthread+0x28a/0x350 [ 250.849895][ T72] ret_from_fork+0x31/0x70 [ 250.849895][ T72] ret_from_fork_asm+0x1a/0x30 [ 250.849895][ T72] [ 250.852013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 250.852013][ T72] netdev_get_by_index+0x5e/0x80 [ 250.852013][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.852013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.852013][ T72] ip6_route_add+0x1c/0x140 [ 250.852013][ T72] addrconf_prefix_route+0x2a6/0x430 [ 250.852013][ T72] inet6_addr_add+0x4f8/0xa40 [ 250.852013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.852013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.852013][ T72] netlink_rcv_skb+0x130/0x360 [ 250.852013][ T72] netlink_unicast+0x449/0x710 [ 250.852013][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.852013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.852013][ T72] ___sys_sendmsg+0xee/0x170 [ 250.852013][ T72] __sys_sendmsg+0xcd/0x170 [ 250.852013][ T72] do_syscall_64+0xc6/0x1e0 [ 250.852013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.852013][ T72] [ 250.854196][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 250.854196][ T72] netdev_get_by_index+0x5e/0x80 [ 250.854196][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.854196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.854196][ T72] addrconf_f6i_alloc+0x315/0x560 [ 250.854196][ T72] ipv6_add_addr+0x411/0x2000 [ 250.854196][ T72] inet6_addr_add+0x30e/0xa40 [ 250.854196][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.854196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.854196][ T72] netlink_rcv_skb+0x130/0x360 [ 250.854196][ T72] netlink_unicast+0x449/0x710 [ 250.854196][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.854196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.854196][ T72] ___sys_sendmsg+0xee/0x170 [ 250.854196][ T72] __sys_sendmsg+0xcd/0x170 [ 250.854196][ T72] do_syscall_64+0xc6/0x1e0 [ 250.854196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.854196][ T72] [ 250.856367][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 250.856367][ T72] netdev_get_by_index+0x5e/0x80 [ 250.856367][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.856367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.856367][ T72] ip6_route_add+0x1c/0x140 [ 250.856367][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 250.856367][ T72] addrconf_add_dev+0xe2/0x170 [ 250.856367][ T72] inet6_addr_add+0x12f/0xa40 [ 250.856367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.856367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.856367][ T72] netlink_rcv_skb+0x130/0x360 [ 250.856367][ T72] netlink_unicast+0x449/0x710 [ 250.856367][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.856367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.856367][ T72] ___sys_sendmsg+0xee/0x170 [ 250.856367][ T72] __sys_sendmsg+0xcd/0x170 [ 250.856367][ T72] do_syscall_64+0xc6/0x1e0 [ 250.856367][ T72] [ 250.858557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 250.858557][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 250.858557][ T72] ipv6_find_idev+0x102/0x170 [ 250.858557][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.858557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.858557][ T72] netlink_rcv_skb+0x130/0x360 [ 250.858557][ T72] netlink_unicast+0x449/0x710 [ 250.858557][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.858557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.858557][ T72] ___sys_sendmsg+0xee/0x170 [ 250.858557][ T72] __sys_sendmsg+0xcd/0x170 [ 250.858557][ T72] do_syscall_64+0xc6/0x1e0 [ 250.858557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.858557][ T72] [ 250.860242][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 250.860242][ T72] neigh_parms_alloc+0x1e5/0x510 [ 250.860242][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 250.860242][ T72] ipv6_find_idev+0x102/0x170 [ 250.860242][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.860242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.860242][ T72] netlink_rcv_skb+0x130/0x360 [ 250.860242][ T72] netlink_unicast+0x449/0x710 [ 250.860242][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.860242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.860242][ T72] ___sys_sendmsg+0xee/0x170 [ 250.860242][ T72] __sys_sendmsg+0xcd/0x170 [ 250.860242][ T72] do_syscall_64+0xc6/0x1e0 [ 250.860242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.860242][ T72] [ 250.862208][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 250.862513][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 250.862513][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 250.862513][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 250.862513][ T72] fib6_nh_init+0xa22/0x1580 [ 250.862513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.862513][ T72] ip6_route_add+0x1c/0x140 [ 250.862513][ T72] inet6_rtm_newroute+0x104/0x110 [ 250.862513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.862513][ T72] netlink_rcv_skb+0x130/0x360 [ 250.862513][ T72] netlink_unicast+0x449/0x710 [ 250.862513][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.862513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.862513][ T72] ___sys_sendmsg+0xee/0x170 [ 250.862513][ T72] __sys_sendmsg+0xcd/0x170 [ 250.862513][ T72] do_syscall_64+0xc6/0x1e0 [ 250.862513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.862513][ T72] [ 250.864789][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 250.864789][ T72] dst_init+0x84/0x4a0 [ 250.864789][ T72] dst_alloc+0x97/0x150 [ 250.864789][ T72] ip6_dst_alloc+0x23/0x90 [ 250.864789][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 250.864789][ T72] ip6_pol_route+0x56f/0x840 [ 250.864789][ T72] fib6_rule_lookup+0x456/0x630 [ 250.864789][ T72] ip6_route_input+0x59c/0xa50 [ 250.864789][ T72] ipv6_rcv+0x397/0x810 [ 250.864789][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 250.864789][ T72] process_backlog+0x101/0x620 [ 250.864789][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 250.864789][ T72] net_rx_action+0x495/0xbe0 [ 250.864789][ T72] __do_softirq+0x1b5/0x7f6 [ 250.864789][ T72] [ 250.866644][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 250.866644][ T72] netdev_get_by_index+0x5e/0x80 [ 250.866644][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.866644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.866644][ T72] ip6_route_add+0x1c/0x140 [ 250.866644][ T72] addrconf_prefix_route+0x2a6/0x430 [ 250.866644][ T72] inet6_addr_add+0x4f8/0xa40 [ 250.866644][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.866644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.866644][ T72] netlink_rcv_skb+0x130/0x360 [ 250.866644][ T72] netlink_unicast+0x449/0x710 [ 250.866644][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.866644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.866644][ T72] ___sys_sendmsg+0xee/0x170 [ 250.866644][ T72] __sys_sendmsg+0xcd/0x170 [ 250.866644][ T72] do_syscall_64+0xc6/0x1e0 [ 250.866644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.866644][ T72] [ 250.869003][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 250.869003][ T72] netdev_get_by_index+0x5e/0x80 [ 250.869003][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.869003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.869003][ T72] addrconf_f6i_alloc+0x315/0x560 [ 250.869003][ T72] ipv6_add_addr+0x411/0x2000 [ 250.869003][ T72] inet6_addr_add+0x30e/0xa40 [ 250.869003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.869003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.869003][ T72] netlink_rcv_skb+0x130/0x360 [ 250.869003][ T72] netlink_unicast+0x449/0x710 [ 250.869003][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.869003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.869003][ T72] ___sys_sendmsg+0xee/0x170 [ 250.869003][ T72] __sys_sendmsg+0xcd/0x170 [ 250.869003][ T72] do_syscall_64+0xc6/0x1e0 [ 250.869003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.869003][ T72] [ 250.871318][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 250.871318][ T72] netdev_get_by_index+0x5e/0x80 [ 250.871318][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.871318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.871318][ T72] ip6_route_add+0x1c/0x140 [ 250.871318][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 250.871318][ T72] addrconf_add_dev+0xe2/0x170 [ 250.871318][ T72] inet6_addr_add+0x12f/0xa40 [ 250.871318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.871318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.871318][ T72] netlink_rcv_skb+0x130/0x360 [ 250.871318][ T72] netlink_unicast+0x449/0x710 [ 250.871318][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.871318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.871318][ T72] ___sys_sendmsg+0xee/0x170 [ 250.871318][ T72] __sys_sendmsg+0xcd/0x170 [ 250.871318][ T72] do_syscall_64+0xc6/0x1e0 [ 250.871318][ T72] [ 250.873694][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 250.873694][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 250.873694][ T72] ipv6_find_idev+0x102/0x170 [ 250.873694][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.873694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.873694][ T72] netlink_rcv_skb+0x130/0x360 [ 250.873694][ T72] netlink_unicast+0x449/0x710 [ 250.873694][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.873694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.873694][ T72] ___sys_sendmsg+0xee/0x170 [ 250.873694][ T72] __sys_sendmsg+0xcd/0x170 [ 250.873694][ T72] do_syscall_64+0xc6/0x1e0 [ 250.873694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.873694][ T72] [ 250.875438][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 250.875438][ T72] neigh_parms_alloc+0x1e5/0x510 [ 250.875438][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 250.875438][ T72] ipv6_find_idev+0x102/0x170 [ 250.875438][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.875438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.875438][ T72] netlink_rcv_skb+0x130/0x360 [ 250.875438][ T72] netlink_unicast+0x449/0x710 [ 250.875438][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.875438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.875438][ T72] ___sys_sendmsg+0xee/0x170 [ 250.875438][ T72] __sys_sendmsg+0xcd/0x170 [ 250.875438][ T72] do_syscall_64+0xc6/0x1e0 [ 250.875438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.875438][ T72] [ 250.877419][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 250.877730][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 250.877730][ T72] netdev_get_by_index+0x5e/0x80 [ 250.877730][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.877730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.877730][ T72] addrconf_f6i_alloc+0x265/0x560 [ 250.877730][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 250.877730][ T72] addrconf_join_anycast+0x1c0/0x220 [ 250.877730][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 250.877730][ T72] addrconf_dad_completed+0x12b/0xe20 [ 250.877730][ T72] addrconf_dad_begin+0x310/0x670 [ 250.877730][ T72] addrconf_dad_work+0x10b/0xab0 [ 250.877730][ T72] process_one_work+0x84d/0x18a0 [ 250.877730][ T72] worker_thread+0x587/0xd30 [ 250.877730][ T72] kthread+0x28a/0x350 [ 250.877730][ T72] ret_from_fork+0x31/0x70 [ 250.877730][ T72] ret_from_fork_asm+0x1a/0x30 [ 250.877730][ T72] [ 250.879958][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 250.879958][ T72] netdev_get_by_index+0x5e/0x80 [ 250.879958][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.879958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.879958][ T72] ip6_route_add+0x1c/0x140 [ 250.879958][ T72] addrconf_prefix_route+0x2a6/0x430 [ 250.879958][ T72] inet6_addr_add+0x4f8/0xa40 [ 250.879958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.879958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.879958][ T72] netlink_rcv_skb+0x130/0x360 [ 250.879958][ T72] netlink_unicast+0x449/0x710 [ 250.879958][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.879958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.879958][ T72] ___sys_sendmsg+0xee/0x170 [ 250.879958][ T72] __sys_sendmsg+0xcd/0x170 [ 250.879958][ T72] do_syscall_64+0xc6/0x1e0 [ 250.879958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.879958][ T72] [ 250.882273][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 250.882273][ T72] netdev_get_by_index+0x5e/0x80 [ 250.882273][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.882273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.882273][ T72] addrconf_f6i_alloc+0x315/0x560 [ 250.882273][ T72] ipv6_add_addr+0x411/0x2000 [ 250.882273][ T72] inet6_addr_add+0x30e/0xa40 [ 250.882273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.882273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.882273][ T72] netlink_rcv_skb+0x130/0x360 [ 250.882273][ T72] netlink_unicast+0x449/0x710 [ 250.882273][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.882273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.882273][ T72] ___sys_sendmsg+0xee/0x170 [ 250.882273][ T72] __sys_sendmsg+0xcd/0x170 [ 250.882273][ T72] do_syscall_64+0xc6/0x1e0 [ 250.882273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.882273][ T72] [ 250.884600][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 250.884600][ T72] netdev_get_by_index+0x5e/0x80 [ 250.884600][ T72] fib6_nh_init+0x3d8/0x1580 [ 250.884600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 250.884600][ T72] ip6_route_add+0x1c/0x140 [ 250.884600][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 250.884600][ T72] addrconf_add_dev+0xe2/0x170 [ 250.884600][ T72] inet6_addr_add+0x12f/0xa40 [ 250.884600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 250.884600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.884600][ T72] netlink_rcv_skb+0x130/0x360 [ 250.884600][ T72] netlink_unicast+0x449/0x710 [ 250.884600][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.884600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.884600][ T72] ___sys_sendmsg+0xee/0x170 [ 250.884600][ T72] __sys_sendmsg+0xcd/0x170 [ 250.884600][ T72] do_syscall_64+0xc6/0x1e0 [ 250.884600][ T72] [ 250.886886][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 250.886886][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 250.886886][ T72] ipv6_find_idev+0x102/0x170 [ 250.886886][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.886886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.886886][ T72] netlink_rcv_skb+0x130/0x360 [ 250.886886][ T72] netlink_unicast+0x449/0x710 [ 250.886886][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.886886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.886886][ T72] ___sys_sendmsg+0xee/0x170 [ 250.886886][ T72] __sys_sendmsg+0xcd/0x170 [ 250.886886][ T72] do_syscall_64+0xc6/0x1e0 [ 250.886886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.886886][ T72] [ 250.888658][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 250.888658][ T72] neigh_parms_alloc+0x1e5/0x510 [ 250.888658][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 250.888658][ T72] ipv6_find_idev+0x102/0x170 [ 250.888658][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.888658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.888658][ T72] netlink_rcv_skb+0x130/0x360 [ 250.888658][ T72] netlink_unicast+0x449/0x710 [ 250.888658][ T72] netlink_sendmsg+0x723/0xbe0 [ 250.888658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 250.888658][ T72] ___sys_sendmsg+0xee/0x170 [ 250.888658][ T72] __sys_sendmsg+0xcd/0x170 [ 250.888658][ T72] do_syscall_64+0xc6/0x1e0 [ 250.888658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.888658][ T72] [ 261.336980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 261.337486][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 261.337486][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 261.337486][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 261.337486][ T72] fib6_nh_init+0xa22/0x1580 [ 261.337486][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.337486][ T72] ip6_route_add+0x1c/0x140 [ 261.337486][ T72] inet6_rtm_newroute+0x104/0x110 [ 261.337486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.337486][ T72] netlink_rcv_skb+0x130/0x360 [ 261.337486][ T72] netlink_unicast+0x449/0x710 [ 261.337486][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.337486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.337486][ T72] ___sys_sendmsg+0xee/0x170 [ 261.337486][ T72] __sys_sendmsg+0xcd/0x170 [ 261.337486][ T72] do_syscall_64+0xc6/0x1e0 [ 261.337486][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.337486][ T72] [ 261.339334][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 261.339334][ T72] dst_init+0x84/0x4a0 [ 261.339334][ T72] dst_alloc+0x97/0x150 [ 261.339334][ T72] ip6_dst_alloc+0x23/0x90 [ 261.339334][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 261.339334][ T72] ip6_pol_route+0x56f/0x840 [ 261.339334][ T72] fib6_rule_lookup+0x456/0x630 [ 261.339334][ T72] ip6_route_input+0x59c/0xa50 [ 261.339334][ T72] ipv6_rcv+0x397/0x810 [ 261.339334][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 261.339334][ T72] process_backlog+0x101/0x620 [ 261.339334][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 261.339334][ T72] net_rx_action+0x495/0xbe0 [ 261.339334][ T72] __do_softirq+0x1b5/0x7f6 [ 261.339334][ T72] [ 261.340928][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 261.340928][ T72] netdev_get_by_index+0x5e/0x80 [ 261.340928][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.340928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.340928][ T72] ip6_route_add+0x1c/0x140 [ 261.340928][ T72] addrconf_prefix_route+0x2a6/0x430 [ 261.340928][ T72] inet6_addr_add+0x4f8/0xa40 [ 261.340928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.340928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.340928][ T72] netlink_rcv_skb+0x130/0x360 [ 261.340928][ T72] netlink_unicast+0x449/0x710 [ 261.340928][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.340928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.340928][ T72] ___sys_sendmsg+0xee/0x170 [ 261.340928][ T72] __sys_sendmsg+0xcd/0x170 [ 261.340928][ T72] do_syscall_64+0xc6/0x1e0 [ 261.340928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.340928][ T72] [ 261.342914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 261.342914][ T72] netdev_get_by_index+0x5e/0x80 [ 261.342914][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.342914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.342914][ T72] addrconf_f6i_alloc+0x315/0x560 [ 261.342914][ T72] ipv6_add_addr+0x411/0x2000 [ 261.342914][ T72] inet6_addr_add+0x30e/0xa40 [ 261.342914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.342914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.342914][ T72] netlink_rcv_skb+0x130/0x360 [ 261.342914][ T72] netlink_unicast+0x449/0x710 [ 261.342914][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.342914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.342914][ T72] ___sys_sendmsg+0xee/0x170 [ 261.342914][ T72] __sys_sendmsg+0xcd/0x170 [ 261.342914][ T72] do_syscall_64+0xc6/0x1e0 [ 261.342914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.342914][ T72] [ 261.344926][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 261.344926][ T72] netdev_get_by_index+0x5e/0x80 [ 261.344926][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.344926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.344926][ T72] ip6_route_add+0x1c/0x140 [ 261.344926][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 261.344926][ T72] addrconf_add_dev+0xe2/0x170 [ 261.344926][ T72] inet6_addr_add+0x12f/0xa40 [ 261.344926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.344926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.344926][ T72] netlink_rcv_skb+0x130/0x360 [ 261.344926][ T72] netlink_unicast+0x449/0x710 [ 261.344926][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.344926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.344926][ T72] ___sys_sendmsg+0xee/0x170 [ 261.344926][ T72] __sys_sendmsg+0xcd/0x170 [ 261.344926][ T72] do_syscall_64+0xc6/0x1e0 [ 261.344926][ T72] [ 261.346886][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 261.346886][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 261.346886][ T72] ipv6_find_idev+0x102/0x170 [ 261.346886][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 261.346886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.346886][ T72] netlink_rcv_skb+0x130/0x360 [ 261.346886][ T72] netlink_unicast+0x449/0x710 [ 261.346886][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.346886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.346886][ T72] ___sys_sendmsg+0xee/0x170 [ 261.346886][ T72] __sys_sendmsg+0xcd/0x170 [ 261.346886][ T72] do_syscall_64+0xc6/0x1e0 [ 261.346886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.346886][ T72] [ 261.348439][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 261.348439][ T72] neigh_parms_alloc+0x1e5/0x510 [ 261.348439][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 261.348439][ T72] ipv6_find_idev+0x102/0x170 [ 261.348439][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 261.348439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.348439][ T72] netlink_rcv_skb+0x130/0x360 [ 261.348439][ T72] netlink_unicast+0x449/0x710 [ 261.348439][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.348439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.348439][ T72] ___sys_sendmsg+0xee/0x170 [ 261.348439][ T72] __sys_sendmsg+0xcd/0x170 [ 261.348439][ T72] do_syscall_64+0xc6/0x1e0 [ 261.348439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.348439][ T72] [ 261.350157][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 261.350424][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 261.350424][ T72] dst_init+0x84/0x4a0 [ 261.350424][ T72] dst_alloc+0x97/0x150 [ 261.350424][ T72] ip6_dst_alloc+0x23/0x90 [ 261.350424][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 261.350424][ T72] ip6_pol_route+0x56f/0x840 [ 261.350424][ T72] fib6_rule_lookup+0x456/0x630 [ 261.350424][ T72] ip6_route_input+0x59c/0xa50 [ 261.350424][ T72] ipv6_rcv+0x397/0x810 [ 261.350424][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 261.350424][ T72] process_backlog+0x101/0x620 [ 261.350424][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 261.350424][ T72] net_rx_action+0x495/0xbe0 [ 261.350424][ T72] __do_softirq+0x1b5/0x7f6 [ 261.350424][ T72] [ 261.352028][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 261.352028][ T72] netdev_get_by_index+0x5e/0x80 [ 261.352028][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.352028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.352028][ T72] addrconf_f6i_alloc+0x265/0x560 [ 261.352028][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 261.352028][ T72] addrconf_join_anycast+0x1c0/0x220 [ 261.352028][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 261.352028][ T72] addrconf_dad_completed+0x12b/0xe20 [ 261.352028][ T72] addrconf_dad_begin+0x310/0x670 [ 261.352028][ T72] addrconf_dad_work+0x10b/0xab0 [ 261.352028][ T72] process_one_work+0x84d/0x18a0 [ 261.352028][ T72] worker_thread+0x587/0xd30 [ 261.352028][ T72] kthread+0x28a/0x350 [ 261.352028][ T72] ret_from_fork+0x31/0x70 [ 261.352028][ T72] ret_from_fork_asm+0x1a/0x30 [ 261.352028][ T72] [ 261.353879][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 261.353879][ T72] netdev_get_by_index+0x5e/0x80 [ 261.353879][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.353879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.353879][ T72] ip6_route_add+0x1c/0x140 [ 261.353879][ T72] addrconf_prefix_route+0x2a6/0x430 [ 261.353879][ T72] inet6_addr_add+0x4f8/0xa40 [ 261.353879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.353879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.353879][ T72] netlink_rcv_skb+0x130/0x360 [ 261.353879][ T72] netlink_unicast+0x449/0x710 [ 261.353879][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.353879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.353879][ T72] ___sys_sendmsg+0xee/0x170 [ 261.353879][ T72] __sys_sendmsg+0xcd/0x170 [ 261.353879][ T72] do_syscall_64+0xc6/0x1e0 [ 261.353879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.353879][ T72] [ 261.355816][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 261.355816][ T72] netdev_get_by_index+0x5e/0x80 [ 261.355816][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.355816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.355816][ T72] addrconf_f6i_alloc+0x315/0x560 [ 261.355816][ T72] ipv6_add_addr+0x411/0x2000 [ 261.355816][ T72] inet6_addr_add+0x30e/0xa40 [ 261.355816][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.355816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.355816][ T72] netlink_rcv_skb+0x130/0x360 [ 261.355816][ T72] netlink_unicast+0x449/0x710 [ 261.355816][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.355816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.355816][ T72] ___sys_sendmsg+0xee/0x170 [ 261.355816][ T72] __sys_sendmsg+0xcd/0x170 [ 261.355816][ T72] do_syscall_64+0xc6/0x1e0 [ 261.355816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.355816][ T72] [ 261.357815][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 261.357815][ T72] netdev_get_by_index+0x5e/0x80 [ 261.357815][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.357815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.357815][ T72] ip6_route_add+0x1c/0x140 [ 261.357815][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 261.357815][ T72] addrconf_add_dev+0xe2/0x170 [ 261.357815][ T72] inet6_addr_add+0x12f/0xa40 [ 261.357815][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.357815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.357815][ T72] netlink_rcv_skb+0x130/0x360 [ 261.357815][ T72] netlink_unicast+0x449/0x710 [ 261.357815][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.357815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.357815][ T72] ___sys_sendmsg+0xee/0x170 [ 261.357815][ T72] __sys_sendmsg+0xcd/0x170 [ 261.357815][ T72] do_syscall_64+0xc6/0x1e0 [ 261.357815][ T72] [ 261.359731][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 261.359731][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 261.359731][ T72] ipv6_find_idev+0x102/0x170 [ 261.359731][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 261.359731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.359731][ T72] netlink_rcv_skb+0x130/0x360 [ 261.359731][ T72] netlink_unicast+0x449/0x710 [ 261.359731][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.359731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.359731][ T72] ___sys_sendmsg+0xee/0x170 [ 261.359731][ T72] __sys_sendmsg+0xcd/0x170 [ 261.359731][ T72] do_syscall_64+0xc6/0x1e0 [ 261.359731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.359731][ T72] [ 261.361258][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 261.361258][ T72] neigh_parms_alloc+0x1e5/0x510 [ 261.361258][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 261.361258][ T72] ipv6_find_idev+0x102/0x170 [ 261.361258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 261.361258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.361258][ T72] netlink_rcv_skb+0x130/0x360 [ 261.361258][ T72] netlink_unicast+0x449/0x710 [ 261.361258][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.361258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.361258][ T72] ___sys_sendmsg+0xee/0x170 [ 261.361258][ T72] __sys_sendmsg+0xcd/0x170 [ 261.361258][ T72] do_syscall_64+0xc6/0x1e0 [ 261.361258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.361258][ T72] [ 261.363053][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 261.363326][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 261.363326][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 261.363326][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 261.363326][ T72] fib6_nh_init+0xa22/0x1580 [ 261.363326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.363326][ T72] ip6_route_add+0x1c/0x140 [ 261.363326][ T72] inet6_rtm_newroute+0x104/0x110 [ 261.363326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.363326][ T72] netlink_rcv_skb+0x130/0x360 [ 261.363326][ T72] netlink_unicast+0x449/0x710 [ 261.363326][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.363326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.363326][ T72] ___sys_sendmsg+0xee/0x170 [ 261.363326][ T72] __sys_sendmsg+0xcd/0x170 [ 261.363326][ T72] do_syscall_64+0xc6/0x1e0 [ 261.363326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.363326][ T72] [ 261.365513][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 261.365513][ T72] dst_init+0x84/0x4a0 [ 261.365513][ T72] dst_alloc+0x97/0x150 [ 261.365513][ T72] ip6_dst_alloc+0x23/0x90 [ 261.365513][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 261.365513][ T72] ip6_pol_route+0x56f/0x840 [ 261.365513][ T72] fib6_rule_lookup+0x456/0x630 [ 261.365513][ T72] ip6_route_input+0x59c/0xa50 [ 261.365513][ T72] ipv6_rcv+0x397/0x810 [ 261.365513][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 261.365513][ T72] process_backlog+0x101/0x620 [ 261.365513][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 261.365513][ T72] net_rx_action+0x495/0xbe0 [ 261.365513][ T72] __do_softirq+0x1b5/0x7f6 [ 261.365513][ T72] [ 261.367317][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 261.367317][ T72] netdev_get_by_index+0x5e/0x80 [ 261.367317][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.367317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.367317][ T72] ip6_route_add+0x1c/0x140 [ 261.367317][ T72] addrconf_prefix_route+0x2a6/0x430 [ 261.367317][ T72] inet6_addr_add+0x4f8/0xa40 [ 261.367317][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.367317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.367317][ T72] netlink_rcv_skb+0x130/0x360 [ 261.367317][ T72] netlink_unicast+0x449/0x710 [ 261.367317][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.367317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.367317][ T72] ___sys_sendmsg+0xee/0x170 [ 261.367317][ T72] __sys_sendmsg+0xcd/0x170 [ 261.367317][ T72] do_syscall_64+0xc6/0x1e0 [ 261.367317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.367317][ T72] [ 261.369574][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 261.369574][ T72] netdev_get_by_index+0x5e/0x80 [ 261.369574][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.369574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.369574][ T72] addrconf_f6i_alloc+0x315/0x560 [ 261.369574][ T72] ipv6_add_addr+0x411/0x2000 [ 261.369574][ T72] inet6_addr_add+0x30e/0xa40 [ 261.369574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.369574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.369574][ T72] netlink_rcv_skb+0x130/0x360 [ 261.369574][ T72] netlink_unicast+0x449/0x710 [ 261.369574][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.369574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.369574][ T72] ___sys_sendmsg+0xee/0x170 [ 261.369574][ T72] __sys_sendmsg+0xcd/0x170 [ 261.369574][ T72] do_syscall_64+0xc6/0x1e0 [ 261.369574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.369574][ T72] [ 261.371742][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 261.371742][ T72] netdev_get_by_index+0x5e/0x80 [ 261.371742][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.371742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.371742][ T72] ip6_route_add+0x1c/0x140 [ 261.371742][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 261.371742][ T72] addrconf_add_dev+0xe2/0x170 [ 261.371742][ T72] inet6_addr_add+0x12f/0xa40 [ 261.371742][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.371742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.371742][ T72] netlink_rcv_skb+0x130/0x360 [ 261.371742][ T72] netlink_unicast+0x449/0x710 [ 261.371742][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.371742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.371742][ T72] ___sys_sendmsg+0xee/0x170 [ 261.371742][ T72] __sys_sendmsg+0xcd/0x170 [ 261.371742][ T72] do_syscall_64+0xc6/0x1e0 [ 261.371742][ T72] [ 261.373870][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 261.373870][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 261.373870][ T72] ipv6_find_idev+0x102/0x170 [ 261.373870][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 261.373870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.373870][ T72] netlink_rcv_skb+0x130/0x360 [ 261.373870][ T72] netlink_unicast+0x449/0x710 [ 261.373870][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.373870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.373870][ T72] ___sys_sendmsg+0xee/0x170 [ 261.373870][ T72] __sys_sendmsg+0xcd/0x170 [ 261.373870][ T72] do_syscall_64+0xc6/0x1e0 [ 261.373870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.373870][ T72] [ 261.375535][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 261.375535][ T72] neigh_parms_alloc+0x1e5/0x510 [ 261.375535][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 261.375535][ T72] ipv6_find_idev+0x102/0x170 [ 261.375535][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 261.375535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.375535][ T72] netlink_rcv_skb+0x130/0x360 [ 261.375535][ T72] netlink_unicast+0x449/0x710 [ 261.375535][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.375535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.375535][ T72] ___sys_sendmsg+0xee/0x170 [ 261.375535][ T72] __sys_sendmsg+0xcd/0x170 [ 261.375535][ T72] do_syscall_64+0xc6/0x1e0 [ 261.375535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.375535][ T72] [ 261.377446][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 261.377710][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 261.377710][ T72] netdev_get_by_index+0x5e/0x80 [ 261.377710][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.377710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.377710][ T72] addrconf_f6i_alloc+0x265/0x560 [ 261.377710][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 261.377710][ T72] addrconf_join_anycast+0x1c0/0x220 [ 261.377710][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 261.377710][ T72] addrconf_dad_completed+0x12b/0xe20 [ 261.377710][ T72] addrconf_dad_begin+0x310/0x670 [ 261.377710][ T72] addrconf_dad_work+0x10b/0xab0 [ 261.377710][ T72] process_one_work+0x84d/0x18a0 [ 261.377710][ T72] worker_thread+0x587/0xd30 [ 261.377710][ T72] kthread+0x28a/0x350 [ 261.377710][ T72] ret_from_fork+0x31/0x70 [ 261.377710][ T72] ret_from_fork_asm+0x1a/0x30 [ 261.377710][ T72] [ 261.379790][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 261.379790][ T72] netdev_get_by_index+0x5e/0x80 [ 261.379790][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.379790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.379790][ T72] ip6_route_add+0x1c/0x140 [ 261.379790][ T72] addrconf_prefix_route+0x2a6/0x430 [ 261.379790][ T72] inet6_addr_add+0x4f8/0xa40 [ 261.379790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.379790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.379790][ T72] netlink_rcv_skb+0x130/0x360 [ 261.379790][ T72] netlink_unicast+0x449/0x710 [ 261.379790][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.379790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.379790][ T72] ___sys_sendmsg+0xee/0x170 [ 261.379790][ T72] __sys_sendmsg+0xcd/0x170 [ 261.379790][ T72] do_syscall_64+0xc6/0x1e0 [ 261.379790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.379790][ T72] [ 261.381942][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 261.381942][ T72] netdev_get_by_index+0x5e/0x80 [ 261.381942][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.381942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.381942][ T72] addrconf_f6i_alloc+0x315/0x560 [ 261.381942][ T72] ipv6_add_addr+0x411/0x2000 [ 261.381942][ T72] inet6_addr_add+0x30e/0xa40 [ 261.381942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.381942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.381942][ T72] netlink_rcv_skb+0x130/0x360 [ 261.381942][ T72] netlink_unicast+0x449/0x710 [ 261.381942][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.381942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.381942][ T72] ___sys_sendmsg+0xee/0x170 [ 261.381942][ T72] __sys_sendmsg+0xcd/0x170 [ 261.381942][ T72] do_syscall_64+0xc6/0x1e0 [ 261.381942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.381942][ T72] [ 261.384148][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 261.384148][ T72] netdev_get_by_index+0x5e/0x80 [ 261.384148][ T72] fib6_nh_init+0x3d8/0x1580 [ 261.384148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 261.384148][ T72] ip6_route_add+0x1c/0x140 [ 261.384148][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 261.384148][ T72] addrconf_add_dev+0xe2/0x170 [ 261.384148][ T72] inet6_addr_add+0x12f/0xa40 [ 261.384148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 261.384148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.384148][ T72] netlink_rcv_skb+0x130/0x360 [ 261.384148][ T72] netlink_unicast+0x449/0x710 [ 261.384148][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.384148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.384148][ T72] ___sys_sendmsg+0xee/0x170 [ 261.384148][ T72] __sys_sendmsg+0xcd/0x170 [ 261.384148][ T72] do_syscall_64+0xc6/0x1e0 [ 261.384148][ T72] [ 261.386344][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 261.386344][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 261.386344][ T72] ipv6_find_idev+0x102/0x170 [ 261.386344][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 261.386344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.386344][ T72] netlink_rcv_skb+0x130/0x360 [ 261.386344][ T72] netlink_unicast+0x449/0x710 [ 261.386344][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.386344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.386344][ T72] ___sys_sendmsg+0xee/0x170 [ 261.386344][ T72] __sys_sendmsg+0xcd/0x170 [ 261.386344][ T72] do_syscall_64+0xc6/0x1e0 [ 261.386344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.386344][ T72] [ 261.388117][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 261.388117][ T72] neigh_parms_alloc+0x1e5/0x510 [ 261.388117][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 261.388117][ T72] ipv6_find_idev+0x102/0x170 [ 261.388117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 261.388117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 261.388117][ T72] netlink_rcv_skb+0x130/0x360 [ 261.388117][ T72] netlink_unicast+0x449/0x710 [ 261.388117][ T72] netlink_sendmsg+0x723/0xbe0 [ 261.388117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 261.388117][ T72] ___sys_sendmsg+0xee/0x170 [ 261.388117][ T72] __sys_sendmsg+0xcd/0x170 [ 261.388117][ T72] do_syscall_64+0xc6/0x1e0 [ 261.388117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.388117][ T72] [ 271.632968][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 271.633578][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 271.633578][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 271.633578][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 271.633578][ T72] fib6_nh_init+0xa22/0x1580 [ 271.633578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.633578][ T72] ip6_route_add+0x1c/0x140 [ 271.633578][ T72] inet6_rtm_newroute+0x104/0x110 [ 271.633578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.633578][ T72] netlink_rcv_skb+0x130/0x360 [ 271.633578][ T72] netlink_unicast+0x449/0x710 [ 271.633578][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.633578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.633578][ T72] ___sys_sendmsg+0xee/0x170 [ 271.633578][ T72] __sys_sendmsg+0xcd/0x170 [ 271.633578][ T72] do_syscall_64+0xc6/0x1e0 [ 271.633578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.633578][ T72] [ 271.635742][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 271.635742][ T72] dst_init+0x84/0x4a0 [ 271.635742][ T72] dst_alloc+0x97/0x150 [ 271.635742][ T72] ip6_dst_alloc+0x23/0x90 [ 271.635742][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 271.635742][ T72] ip6_pol_route+0x56f/0x840 [ 271.635742][ T72] fib6_rule_lookup+0x456/0x630 [ 271.635742][ T72] ip6_route_input+0x59c/0xa50 [ 271.635742][ T72] ipv6_rcv+0x397/0x810 [ 271.635742][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 271.635742][ T72] process_backlog+0x101/0x620 [ 271.635742][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 271.635742][ T72] net_rx_action+0x495/0xbe0 [ 271.635742][ T72] __do_softirq+0x1b5/0x7f6 [ 271.635742][ T72] [ 271.637621][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 271.637621][ T72] netdev_get_by_index+0x5e/0x80 [ 271.637621][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.637621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.637621][ T72] ip6_route_add+0x1c/0x140 [ 271.637621][ T72] addrconf_prefix_route+0x2a6/0x430 [ 271.637621][ T72] inet6_addr_add+0x4f8/0xa40 [ 271.637621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.637621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.637621][ T72] netlink_rcv_skb+0x130/0x360 [ 271.637621][ T72] netlink_unicast+0x449/0x710 [ 271.637621][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.637621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.637621][ T72] ___sys_sendmsg+0xee/0x170 [ 271.637621][ T72] __sys_sendmsg+0xcd/0x170 [ 271.637621][ T72] do_syscall_64+0xc6/0x1e0 [ 271.637621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.637621][ T72] [ 271.639846][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 271.639846][ T72] netdev_get_by_index+0x5e/0x80 [ 271.639846][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.639846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.639846][ T72] addrconf_f6i_alloc+0x315/0x560 [ 271.639846][ T72] ipv6_add_addr+0x411/0x2000 [ 271.639846][ T72] inet6_addr_add+0x30e/0xa40 [ 271.639846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.639846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.639846][ T72] netlink_rcv_skb+0x130/0x360 [ 271.639846][ T72] netlink_unicast+0x449/0x710 [ 271.639846][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.639846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.639846][ T72] ___sys_sendmsg+0xee/0x170 [ 271.639846][ T72] __sys_sendmsg+0xcd/0x170 [ 271.639846][ T72] do_syscall_64+0xc6/0x1e0 [ 271.639846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.639846][ T72] [ 271.642083][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 271.642083][ T72] netdev_get_by_index+0x5e/0x80 [ 271.642083][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.642083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.642083][ T72] ip6_route_add+0x1c/0x140 [ 271.642083][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 271.642083][ T72] addrconf_add_dev+0xe2/0x170 [ 271.642083][ T72] inet6_addr_add+0x12f/0xa40 [ 271.642083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.642083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.642083][ T72] netlink_rcv_skb+0x130/0x360 [ 271.642083][ T72] netlink_unicast+0x449/0x710 [ 271.642083][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.642083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.642083][ T72] ___sys_sendmsg+0xee/0x170 [ 271.642083][ T72] __sys_sendmsg+0xcd/0x170 [ 271.642083][ T72] do_syscall_64+0xc6/0x1e0 [ 271.642083][ T72] [ 271.644286][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 271.644286][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 271.644286][ T72] ipv6_find_idev+0x102/0x170 [ 271.644286][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 271.644286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.644286][ T72] netlink_rcv_skb+0x130/0x360 [ 271.644286][ T72] netlink_unicast+0x449/0x710 [ 271.644286][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.644286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.644286][ T72] ___sys_sendmsg+0xee/0x170 [ 271.644286][ T72] __sys_sendmsg+0xcd/0x170 [ 271.644286][ T72] do_syscall_64+0xc6/0x1e0 [ 271.644286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.644286][ T72] [ 271.646033][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 271.646033][ T72] neigh_parms_alloc+0x1e5/0x510 [ 271.646033][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 271.646033][ T72] ipv6_find_idev+0x102/0x170 [ 271.646033][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 271.646033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.646033][ T72] netlink_rcv_skb+0x130/0x360 [ 271.646033][ T72] netlink_unicast+0x449/0x710 [ 271.646033][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.646033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.646033][ T72] ___sys_sendmsg+0xee/0x170 [ 271.646033][ T72] __sys_sendmsg+0xcd/0x170 [ 271.646033][ T72] do_syscall_64+0xc6/0x1e0 [ 271.646033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.646033][ T72] [ 271.647980][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 271.648292][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 271.648292][ T72] dst_init+0x84/0x4a0 [ 271.648292][ T72] dst_alloc+0x97/0x150 [ 271.648292][ T72] ip6_dst_alloc+0x23/0x90 [ 271.648292][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 271.648292][ T72] ip6_pol_route+0x56f/0x840 [ 271.648292][ T72] fib6_rule_lookup+0x456/0x630 [ 271.648292][ T72] ip6_route_input+0x59c/0xa50 [ 271.648292][ T72] ipv6_rcv+0x397/0x810 [ 271.648292][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 271.648292][ T72] process_backlog+0x101/0x620 [ 271.648292][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 271.648292][ T72] net_rx_action+0x495/0xbe0 [ 271.648292][ T72] __do_softirq+0x1b5/0x7f6 [ 271.648292][ T72] [ 271.650141][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 271.650141][ T72] netdev_get_by_index+0x5e/0x80 [ 271.650141][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.650141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.650141][ T72] addrconf_f6i_alloc+0x265/0x560 [ 271.650141][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 271.650141][ T72] addrconf_join_anycast+0x1c0/0x220 [ 271.650141][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 271.650141][ T72] addrconf_dad_completed+0x12b/0xe20 [ 271.650141][ T72] addrconf_dad_begin+0x310/0x670 [ 271.650141][ T72] addrconf_dad_work+0x10b/0xab0 [ 271.650141][ T72] process_one_work+0x84d/0x18a0 [ 271.650141][ T72] worker_thread+0x587/0xd30 [ 271.650141][ T72] kthread+0x28a/0x350 [ 271.650141][ T72] ret_from_fork+0x31/0x70 [ 271.650141][ T72] ret_from_fork_asm+0x1a/0x30 [ 271.650141][ T72] [ 271.652309][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 271.652309][ T72] netdev_get_by_index+0x5e/0x80 [ 271.652309][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.652309][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.652309][ T72] ip6_route_add+0x1c/0x140 [ 271.652309][ T72] addrconf_prefix_route+0x2a6/0x430 [ 271.652309][ T72] inet6_addr_add+0x4f8/0xa40 [ 271.652309][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.652309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.652309][ T72] netlink_rcv_skb+0x130/0x360 [ 271.652309][ T72] netlink_unicast+0x449/0x710 [ 271.652309][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.652309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.652309][ T72] ___sys_sendmsg+0xee/0x170 [ 271.652309][ T72] __sys_sendmsg+0xcd/0x170 [ 271.652309][ T72] do_syscall_64+0xc6/0x1e0 [ 271.652309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.652309][ T72] [ 271.654523][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 271.654523][ T72] netdev_get_by_index+0x5e/0x80 [ 271.654523][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.654523][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.654523][ T72] addrconf_f6i_alloc+0x315/0x560 [ 271.654523][ T72] ipv6_add_addr+0x411/0x2000 [ 271.654523][ T72] inet6_addr_add+0x30e/0xa40 [ 271.654523][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.654523][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.654523][ T72] netlink_rcv_skb+0x130/0x360 [ 271.654523][ T72] netlink_unicast+0x449/0x710 [ 271.654523][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.654523][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.654523][ T72] ___sys_sendmsg+0xee/0x170 [ 271.654523][ T72] __sys_sendmsg+0xcd/0x170 [ 271.654523][ T72] do_syscall_64+0xc6/0x1e0 [ 271.654523][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.654523][ T72] [ 271.656763][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 271.656763][ T72] netdev_get_by_index+0x5e/0x80 [ 271.656763][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.656763][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.656763][ T72] ip6_route_add+0x1c/0x140 [ 271.656763][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 271.656763][ T72] addrconf_add_dev+0xe2/0x170 [ 271.656763][ T72] inet6_addr_add+0x12f/0xa40 [ 271.656763][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.656763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.656763][ T72] netlink_rcv_skb+0x130/0x360 [ 271.656763][ T72] netlink_unicast+0x449/0x710 [ 271.656763][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.656763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.656763][ T72] ___sys_sendmsg+0xee/0x170 [ 271.656763][ T72] __sys_sendmsg+0xcd/0x170 [ 271.656763][ T72] do_syscall_64+0xc6/0x1e0 [ 271.656763][ T72] [ 271.658965][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 271.658965][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 271.658965][ T72] ipv6_find_idev+0x102/0x170 [ 271.658965][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 271.658965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.658965][ T72] netlink_rcv_skb+0x130/0x360 [ 271.658965][ T72] netlink_unicast+0x449/0x710 [ 271.658965][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.658965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.658965][ T72] ___sys_sendmsg+0xee/0x170 [ 271.658965][ T72] __sys_sendmsg+0xcd/0x170 [ 271.658965][ T72] do_syscall_64+0xc6/0x1e0 [ 271.658965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.658965][ T72] [ 271.660689][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 271.660689][ T72] neigh_parms_alloc+0x1e5/0x510 [ 271.660689][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 271.660689][ T72] ipv6_find_idev+0x102/0x170 [ 271.660689][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 271.660689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.660689][ T72] netlink_rcv_skb+0x130/0x360 [ 271.660689][ T72] netlink_unicast+0x449/0x710 [ 271.660689][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.660689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.660689][ T72] ___sys_sendmsg+0xee/0x170 [ 271.660689][ T72] __sys_sendmsg+0xcd/0x170 [ 271.660689][ T72] do_syscall_64+0xc6/0x1e0 [ 271.660689][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.660689][ T72] [ 271.662724][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 271.663135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 271.663135][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 271.663135][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 271.663135][ T72] fib6_nh_init+0xa22/0x1580 [ 271.663135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.663135][ T72] ip6_route_add+0x1c/0x140 [ 271.663135][ T72] inet6_rtm_newroute+0x104/0x110 [ 271.663135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.663135][ T72] netlink_rcv_skb+0x130/0x360 [ 271.663135][ T72] netlink_unicast+0x449/0x710 [ 271.663135][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.663135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.663135][ T72] ___sys_sendmsg+0xee/0x170 [ 271.663135][ T72] __sys_sendmsg+0xcd/0x170 [ 271.663135][ T72] do_syscall_64+0xc6/0x1e0 [ 271.663135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.663135][ T72] [ 271.665409][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 271.665409][ T72] dst_init+0x84/0x4a0 [ 271.665409][ T72] dst_alloc+0x97/0x150 [ 271.665409][ T72] ip6_dst_alloc+0x23/0x90 [ 271.665409][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 271.665409][ T72] ip6_pol_route+0x56f/0x840 [ 271.665409][ T72] fib6_rule_lookup+0x456/0x630 [ 271.665409][ T72] ip6_route_input+0x59c/0xa50 [ 271.665409][ T72] ipv6_rcv+0x397/0x810 [ 271.665409][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 271.665409][ T72] process_backlog+0x101/0x620 [ 271.665409][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 271.665409][ T72] net_rx_action+0x495/0xbe0 [ 271.665409][ T72] __do_softirq+0x1b5/0x7f6 [ 271.665409][ T72] [ 271.667416][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 271.667416][ T72] netdev_get_by_index+0x5e/0x80 [ 271.667416][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.667416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.667416][ T72] ip6_route_add+0x1c/0x140 [ 271.667416][ T72] addrconf_prefix_route+0x2a6/0x430 [ 271.667416][ T72] inet6_addr_add+0x4f8/0xa40 [ 271.667416][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.667416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.667416][ T72] netlink_rcv_skb+0x130/0x360 [ 271.667416][ T72] netlink_unicast+0x449/0x710 [ 271.667416][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.667416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.667416][ T72] ___sys_sendmsg+0xee/0x170 [ 271.667416][ T72] __sys_sendmsg+0xcd/0x170 [ 271.667416][ T72] do_syscall_64+0xc6/0x1e0 [ 271.667416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.667416][ T72] [ 271.669920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 271.669920][ T72] netdev_get_by_index+0x5e/0x80 [ 271.669920][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.669920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.669920][ T72] addrconf_f6i_alloc+0x315/0x560 [ 271.669920][ T72] ipv6_add_addr+0x411/0x2000 [ 271.669920][ T72] inet6_addr_add+0x30e/0xa40 [ 271.669920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.669920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.669920][ T72] netlink_rcv_skb+0x130/0x360 [ 271.669920][ T72] netlink_unicast+0x449/0x710 [ 271.669920][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.669920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.669920][ T72] ___sys_sendmsg+0xee/0x170 [ 271.669920][ T72] __sys_sendmsg+0xcd/0x170 [ 271.669920][ T72] do_syscall_64+0xc6/0x1e0 [ 271.669920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.669920][ T72] [ 271.672407][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 271.672407][ T72] netdev_get_by_index+0x5e/0x80 [ 271.672407][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.672407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.672407][ T72] ip6_route_add+0x1c/0x140 [ 271.672407][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 271.672407][ T72] addrconf_add_dev+0xe2/0x170 [ 271.672407][ T72] inet6_addr_add+0x12f/0xa40 [ 271.672407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.672407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.672407][ T72] netlink_rcv_skb+0x130/0x360 [ 271.672407][ T72] netlink_unicast+0x449/0x710 [ 271.672407][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.672407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.672407][ T72] ___sys_sendmsg+0xee/0x170 [ 271.672407][ T72] __sys_sendmsg+0xcd/0x170 [ 271.672407][ T72] do_syscall_64+0xc6/0x1e0 [ 271.672407][ T72] [ 271.674900][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 271.674900][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 271.674900][ T72] ipv6_find_idev+0x102/0x170 [ 271.674900][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 271.674900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.674900][ T72] netlink_rcv_skb+0x130/0x360 [ 271.674900][ T72] netlink_unicast+0x449/0x710 [ 271.674900][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.674900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.674900][ T72] ___sys_sendmsg+0xee/0x170 [ 271.674900][ T72] __sys_sendmsg+0xcd/0x170 [ 271.674900][ T72] do_syscall_64+0xc6/0x1e0 [ 271.674900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.674900][ T72] [ 271.676807][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 271.676807][ T72] neigh_parms_alloc+0x1e5/0x510 [ 271.676807][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 271.676807][ T72] ipv6_find_idev+0x102/0x170 [ 271.676807][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 271.676807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.676807][ T72] netlink_rcv_skb+0x130/0x360 [ 271.676807][ T72] netlink_unicast+0x449/0x710 [ 271.676807][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.676807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.676807][ T72] ___sys_sendmsg+0xee/0x170 [ 271.676807][ T72] __sys_sendmsg+0xcd/0x170 [ 271.676807][ T72] do_syscall_64+0xc6/0x1e0 [ 271.676807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.676807][ T72] [ 271.678873][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 271.679252][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 271.679252][ T72] netdev_get_by_index+0x5e/0x80 [ 271.679252][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.679252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.679252][ T72] addrconf_f6i_alloc+0x265/0x560 [ 271.679252][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 271.679252][ T72] addrconf_join_anycast+0x1c0/0x220 [ 271.679252][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 271.679252][ T72] addrconf_dad_completed+0x12b/0xe20 [ 271.679252][ T72] addrconf_dad_begin+0x310/0x670 [ 271.679252][ T72] addrconf_dad_work+0x10b/0xab0 [ 271.679252][ T72] process_one_work+0x84d/0x18a0 [ 271.679252][ T72] worker_thread+0x587/0xd30 [ 271.679252][ T72] kthread+0x28a/0x350 [ 271.679252][ T72] ret_from_fork+0x31/0x70 [ 271.679252][ T72] ret_from_fork_asm+0x1a/0x30 [ 271.679252][ T72] [ 271.681572][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 271.681572][ T72] netdev_get_by_index+0x5e/0x80 [ 271.681572][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.681572][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.681572][ T72] ip6_route_add+0x1c/0x140 [ 271.681572][ T72] addrconf_prefix_route+0x2a6/0x430 [ 271.681572][ T72] inet6_addr_add+0x4f8/0xa40 [ 271.681572][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.681572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.681572][ T72] netlink_rcv_skb+0x130/0x360 [ 271.681572][ T72] netlink_unicast+0x449/0x710 [ 271.681572][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.681572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.681572][ T72] ___sys_sendmsg+0xee/0x170 [ 271.681572][ T72] __sys_sendmsg+0xcd/0x170 [ 271.681572][ T72] do_syscall_64+0xc6/0x1e0 [ 271.681572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.681572][ T72] [ 271.684042][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 271.684042][ T72] netdev_get_by_index+0x5e/0x80 [ 271.684042][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.684042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.684042][ T72] addrconf_f6i_alloc+0x315/0x560 [ 271.684042][ T72] ipv6_add_addr+0x411/0x2000 [ 271.684042][ T72] inet6_addr_add+0x30e/0xa40 [ 271.684042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.684042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.684042][ T72] netlink_rcv_skb+0x130/0x360 [ 271.684042][ T72] netlink_unicast+0x449/0x710 [ 271.684042][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.684042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.684042][ T72] ___sys_sendmsg+0xee/0x170 [ 271.684042][ T72] __sys_sendmsg+0xcd/0x170 [ 271.684042][ T72] do_syscall_64+0xc6/0x1e0 [ 271.684042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.684042][ T72] [ 271.686607][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 271.686607][ T72] netdev_get_by_index+0x5e/0x80 [ 271.686607][ T72] fib6_nh_init+0x3d8/0x1580 [ 271.686607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 271.686607][ T72] ip6_route_add+0x1c/0x140 [ 271.686607][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 271.686607][ T72] addrconf_add_dev+0xe2/0x170 [ 271.686607][ T72] inet6_addr_add+0x12f/0xa40 [ 271.686607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 271.686607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.686607][ T72] netlink_rcv_skb+0x130/0x360 [ 271.686607][ T72] netlink_unicast+0x449/0x710 [ 271.686607][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.686607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.686607][ T72] ___sys_sendmsg+0xee/0x170 [ 271.686607][ T72] __sys_sendmsg+0xcd/0x170 [ 271.686607][ T72] do_syscall_64+0xc6/0x1e0 [ 271.686607][ T72] [ 271.689033][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 271.689033][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 271.689033][ T72] ipv6_find_idev+0x102/0x170 [ 271.689033][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 271.689033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.689033][ T72] netlink_rcv_skb+0x130/0x360 [ 271.689033][ T72] netlink_unicast+0x449/0x710 [ 271.689033][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.689033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.689033][ T72] ___sys_sendmsg+0xee/0x170 [ 271.689033][ T72] __sys_sendmsg+0xcd/0x170 [ 271.689033][ T72] do_syscall_64+0xc6/0x1e0 [ 271.689033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.689033][ T72] [ 271.690924][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 271.690924][ T72] neigh_parms_alloc+0x1e5/0x510 [ 271.690924][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 271.690924][ T72] ipv6_find_idev+0x102/0x170 [ 271.690924][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 271.690924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 271.690924][ T72] netlink_rcv_skb+0x130/0x360 [ 271.690924][ T72] netlink_unicast+0x449/0x710 [ 271.690924][ T72] netlink_sendmsg+0x723/0xbe0 [ 271.690924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 271.690924][ T72] ___sys_sendmsg+0xee/0x170 [ 271.690924][ T72] __sys_sendmsg+0xcd/0x170 [ 271.690924][ T72] do_syscall_64+0xc6/0x1e0 [ 271.690924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 271.690924][ T72] [ 281.777011][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 281.777636][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 281.777636][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 281.777636][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 281.777636][ T72] fib6_nh_init+0xa22/0x1580 [ 281.777636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.777636][ T72] ip6_route_add+0x1c/0x140 [ 281.777636][ T72] inet6_rtm_newroute+0x104/0x110 [ 281.777636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.777636][ T72] netlink_rcv_skb+0x130/0x360 [ 281.777636][ T72] netlink_unicast+0x449/0x710 [ 281.777636][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.777636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.777636][ T72] ___sys_sendmsg+0xee/0x170 [ 281.777636][ T72] __sys_sendmsg+0xcd/0x170 [ 281.777636][ T72] do_syscall_64+0xc6/0x1e0 [ 281.777636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.777636][ T72] [ 281.780020][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 281.780020][ T72] dst_init+0x84/0x4a0 [ 281.780020][ T72] dst_alloc+0x97/0x150 [ 281.780020][ T72] ip6_dst_alloc+0x23/0x90 [ 281.780020][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 281.780020][ T72] ip6_pol_route+0x56f/0x840 [ 281.780020][ T72] fib6_rule_lookup+0x456/0x630 [ 281.780020][ T72] ip6_route_input+0x59c/0xa50 [ 281.780020][ T72] ipv6_rcv+0x397/0x810 [ 281.780020][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 281.780020][ T72] process_backlog+0x101/0x620 [ 281.780020][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 281.780020][ T72] net_rx_action+0x495/0xbe0 [ 281.780020][ T72] __do_softirq+0x1b5/0x7f6 [ 281.780020][ T72] [ 281.782151][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 281.782151][ T72] netdev_get_by_index+0x5e/0x80 [ 281.782151][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.782151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.782151][ T72] ip6_route_add+0x1c/0x140 [ 281.782151][ T72] addrconf_prefix_route+0x2a6/0x430 [ 281.782151][ T72] inet6_addr_add+0x4f8/0xa40 [ 281.782151][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.782151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.782151][ T72] netlink_rcv_skb+0x130/0x360 [ 281.782151][ T72] netlink_unicast+0x449/0x710 [ 281.782151][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.782151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.782151][ T72] ___sys_sendmsg+0xee/0x170 [ 281.782151][ T72] __sys_sendmsg+0xcd/0x170 [ 281.782151][ T72] do_syscall_64+0xc6/0x1e0 [ 281.782151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.782151][ T72] [ 281.784580][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 281.784580][ T72] netdev_get_by_index+0x5e/0x80 [ 281.784580][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.784580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.784580][ T72] addrconf_f6i_alloc+0x315/0x560 [ 281.784580][ T72] ipv6_add_addr+0x411/0x2000 [ 281.784580][ T72] inet6_addr_add+0x30e/0xa40 [ 281.784580][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.784580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.784580][ T72] netlink_rcv_skb+0x130/0x360 [ 281.784580][ T72] netlink_unicast+0x449/0x710 [ 281.784580][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.784580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.784580][ T72] ___sys_sendmsg+0xee/0x170 [ 281.784580][ T72] __sys_sendmsg+0xcd/0x170 [ 281.784580][ T72] do_syscall_64+0xc6/0x1e0 [ 281.784580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.784580][ T72] [ 281.787105][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 281.787105][ T72] netdev_get_by_index+0x5e/0x80 [ 281.787105][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.787105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.787105][ T72] ip6_route_add+0x1c/0x140 [ 281.787105][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 281.787105][ T72] addrconf_add_dev+0xe2/0x170 [ 281.787105][ T72] inet6_addr_add+0x12f/0xa40 [ 281.787105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.787105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.787105][ T72] netlink_rcv_skb+0x130/0x360 [ 281.787105][ T72] netlink_unicast+0x449/0x710 [ 281.787105][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.787105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.787105][ T72] ___sys_sendmsg+0xee/0x170 [ 281.787105][ T72] __sys_sendmsg+0xcd/0x170 [ 281.787105][ T72] do_syscall_64+0xc6/0x1e0 [ 281.787105][ T72] [ 281.789525][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 281.789525][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 281.789525][ T72] ipv6_find_idev+0x102/0x170 [ 281.789525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 281.789525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.789525][ T72] netlink_rcv_skb+0x130/0x360 [ 281.789525][ T72] netlink_unicast+0x449/0x710 [ 281.789525][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.789525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.789525][ T72] ___sys_sendmsg+0xee/0x170 [ 281.789525][ T72] __sys_sendmsg+0xcd/0x170 [ 281.789525][ T72] do_syscall_64+0xc6/0x1e0 [ 281.789525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.789525][ T72] [ 281.791321][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 281.791321][ T72] neigh_parms_alloc+0x1e5/0x510 [ 281.791321][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 281.791321][ T72] ipv6_find_idev+0x102/0x170 [ 281.791321][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 281.791321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.791321][ T72] netlink_rcv_skb+0x130/0x360 [ 281.791321][ T72] netlink_unicast+0x449/0x710 [ 281.791321][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.791321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.791321][ T72] ___sys_sendmsg+0xee/0x170 [ 281.791321][ T72] __sys_sendmsg+0xcd/0x170 [ 281.791321][ T72] do_syscall_64+0xc6/0x1e0 [ 281.791321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.791321][ T72] [ 281.793409][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 281.793747][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 281.793747][ T72] dst_init+0x84/0x4a0 [ 281.793747][ T72] dst_alloc+0x97/0x150 [ 281.793747][ T72] ip6_dst_alloc+0x23/0x90 [ 281.793747][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 281.793747][ T72] ip6_pol_route+0x56f/0x840 [ 281.793747][ T72] fib6_rule_lookup+0x456/0x630 [ 281.793747][ T72] ip6_route_input+0x59c/0xa50 [ 281.793747][ T72] ipv6_rcv+0x397/0x810 [ 281.793747][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 281.793747][ T72] process_backlog+0x101/0x620 [ 281.793747][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 281.793747][ T72] net_rx_action+0x495/0xbe0 [ 281.793747][ T72] __do_softirq+0x1b5/0x7f6 [ 281.793747][ T72] [ 281.795710][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 281.795710][ T72] netdev_get_by_index+0x5e/0x80 [ 281.795710][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.795710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.795710][ T72] addrconf_f6i_alloc+0x265/0x560 [ 281.795710][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 281.795710][ T72] addrconf_join_anycast+0x1c0/0x220 [ 281.795710][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 281.795710][ T72] addrconf_dad_completed+0x12b/0xe20 [ 281.795710][ T72] addrconf_dad_begin+0x310/0x670 [ 281.795710][ T72] addrconf_dad_work+0x10b/0xab0 [ 281.795710][ T72] process_one_work+0x84d/0x18a0 [ 281.795710][ T72] worker_thread+0x587/0xd30 [ 281.795710][ T72] kthread+0x28a/0x350 [ 281.795710][ T72] ret_from_fork+0x31/0x70 [ 281.795710][ T72] ret_from_fork_asm+0x1a/0x30 [ 281.795710][ T72] [ 281.798018][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 281.798018][ T72] netdev_get_by_index+0x5e/0x80 [ 281.798018][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.798018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.798018][ T72] ip6_route_add+0x1c/0x140 [ 281.798018][ T72] addrconf_prefix_route+0x2a6/0x430 [ 281.798018][ T72] inet6_addr_add+0x4f8/0xa40 [ 281.798018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.798018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.798018][ T72] netlink_rcv_skb+0x130/0x360 [ 281.798018][ T72] netlink_unicast+0x449/0x710 [ 281.798018][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.798018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.798018][ T72] ___sys_sendmsg+0xee/0x170 [ 281.798018][ T72] __sys_sendmsg+0xcd/0x170 [ 281.798018][ T72] do_syscall_64+0xc6/0x1e0 [ 281.798018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.798018][ T72] [ 281.800597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 281.800597][ T72] netdev_get_by_index+0x5e/0x80 [ 281.800597][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.800597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.800597][ T72] addrconf_f6i_alloc+0x315/0x560 [ 281.800597][ T72] ipv6_add_addr+0x411/0x2000 [ 281.800597][ T72] inet6_addr_add+0x30e/0xa40 [ 281.800597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.800597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.800597][ T72] netlink_rcv_skb+0x130/0x360 [ 281.800597][ T72] netlink_unicast+0x449/0x710 [ 281.800597][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.800597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.800597][ T72] ___sys_sendmsg+0xee/0x170 [ 281.800597][ T72] __sys_sendmsg+0xcd/0x170 [ 281.800597][ T72] do_syscall_64+0xc6/0x1e0 [ 281.800597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.800597][ T72] [ 281.802994][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 281.802994][ T72] netdev_get_by_index+0x5e/0x80 [ 281.802994][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.802994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.802994][ T72] ip6_route_add+0x1c/0x140 [ 281.802994][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 281.802994][ T72] addrconf_add_dev+0xe2/0x170 [ 281.802994][ T72] inet6_addr_add+0x12f/0xa40 [ 281.802994][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.802994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.802994][ T72] netlink_rcv_skb+0x130/0x360 [ 281.802994][ T72] netlink_unicast+0x449/0x710 [ 281.802994][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.802994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.802994][ T72] ___sys_sendmsg+0xee/0x170 [ 281.802994][ T72] __sys_sendmsg+0xcd/0x170 [ 281.802994][ T72] do_syscall_64+0xc6/0x1e0 [ 281.802994][ T72] [ 281.805285][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 281.805285][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 281.805285][ T72] ipv6_find_idev+0x102/0x170 [ 281.805285][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 281.805285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.805285][ T72] netlink_rcv_skb+0x130/0x360 [ 281.805285][ T72] netlink_unicast+0x449/0x710 [ 281.805285][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.805285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.805285][ T72] ___sys_sendmsg+0xee/0x170 [ 281.805285][ T72] __sys_sendmsg+0xcd/0x170 [ 281.805285][ T72] do_syscall_64+0xc6/0x1e0 [ 281.805285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.805285][ T72] [ 281.807213][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 281.807213][ T72] neigh_parms_alloc+0x1e5/0x510 [ 281.807213][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 281.807213][ T72] ipv6_find_idev+0x102/0x170 [ 281.807213][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 281.807213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.807213][ T72] netlink_rcv_skb+0x130/0x360 [ 281.807213][ T72] netlink_unicast+0x449/0x710 [ 281.807213][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.807213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.807213][ T72] ___sys_sendmsg+0xee/0x170 [ 281.807213][ T72] __sys_sendmsg+0xcd/0x170 [ 281.807213][ T72] do_syscall_64+0xc6/0x1e0 [ 281.807213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.807213][ T72] [ 281.809477][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 281.809840][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 281.809840][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 281.809840][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 281.809840][ T72] fib6_nh_init+0xa22/0x1580 [ 281.809840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.809840][ T72] ip6_route_add+0x1c/0x140 [ 281.809840][ T72] inet6_rtm_newroute+0x104/0x110 [ 281.809840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.809840][ T72] netlink_rcv_skb+0x130/0x360 [ 281.809840][ T72] netlink_unicast+0x449/0x710 [ 281.809840][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.809840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.809840][ T72] ___sys_sendmsg+0xee/0x170 [ 281.809840][ T72] __sys_sendmsg+0xcd/0x170 [ 281.809840][ T72] do_syscall_64+0xc6/0x1e0 [ 281.809840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.809840][ T72] [ 281.812455][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 281.812455][ T72] dst_init+0x84/0x4a0 [ 281.812455][ T72] dst_alloc+0x97/0x150 [ 281.812455][ T72] ip6_dst_alloc+0x23/0x90 [ 281.812455][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 281.812455][ T72] ip6_pol_route+0x56f/0x840 [ 281.812455][ T72] fib6_rule_lookup+0x456/0x630 [ 281.812455][ T72] ip6_route_input+0x59c/0xa50 [ 281.812455][ T72] ipv6_rcv+0x397/0x810 [ 281.812455][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 281.812455][ T72] process_backlog+0x101/0x620 [ 281.812455][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 281.812455][ T72] net_rx_action+0x495/0xbe0 [ 281.812455][ T72] __do_softirq+0x1b5/0x7f6 [ 281.812455][ T72] [ 281.814518][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 281.814518][ T72] netdev_get_by_index+0x5e/0x80 [ 281.814518][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.814518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.814518][ T72] ip6_route_add+0x1c/0x140 [ 281.814518][ T72] addrconf_prefix_route+0x2a6/0x430 [ 281.814518][ T72] inet6_addr_add+0x4f8/0xa40 [ 281.814518][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.814518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.814518][ T72] netlink_rcv_skb+0x130/0x360 [ 281.814518][ T72] netlink_unicast+0x449/0x710 [ 281.814518][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.814518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.814518][ T72] ___sys_sendmsg+0xee/0x170 [ 281.814518][ T72] __sys_sendmsg+0xcd/0x170 [ 281.814518][ T72] do_syscall_64+0xc6/0x1e0 [ 281.814518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.814518][ T72] [ 281.817117][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 281.817117][ T72] netdev_get_by_index+0x5e/0x80 [ 281.817117][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.817117][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.817117][ T72] addrconf_f6i_alloc+0x315/0x560 [ 281.817117][ T72] ipv6_add_addr+0x411/0x2000 [ 281.817117][ T72] inet6_addr_add+0x30e/0xa40 [ 281.817117][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.817117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.817117][ T72] netlink_rcv_skb+0x130/0x360 [ 281.817117][ T72] netlink_unicast+0x449/0x710 [ 281.817117][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.817117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.817117][ T72] ___sys_sendmsg+0xee/0x170 [ 281.817117][ T72] __sys_sendmsg+0xcd/0x170 [ 281.817117][ T72] do_syscall_64+0xc6/0x1e0 [ 281.817117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.817117][ T72] [ 281.819712][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 281.819712][ T72] netdev_get_by_index+0x5e/0x80 [ 281.819712][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.819712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.819712][ T72] ip6_route_add+0x1c/0x140 [ 281.819712][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 281.819712][ T72] addrconf_add_dev+0xe2/0x170 [ 281.819712][ T72] inet6_addr_add+0x12f/0xa40 [ 281.819712][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.819712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.819712][ T72] netlink_rcv_skb+0x130/0x360 [ 281.819712][ T72] netlink_unicast+0x449/0x710 [ 281.819712][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.819712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.819712][ T72] ___sys_sendmsg+0xee/0x170 [ 281.819712][ T72] __sys_sendmsg+0xcd/0x170 [ 281.819712][ T72] do_syscall_64+0xc6/0x1e0 [ 281.819712][ T72] [ 281.822191][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 281.822191][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 281.822191][ T72] ipv6_find_idev+0x102/0x170 [ 281.822191][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 281.822191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.822191][ T72] netlink_rcv_skb+0x130/0x360 [ 281.822191][ T72] netlink_unicast+0x449/0x710 [ 281.822191][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.822191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.822191][ T72] ___sys_sendmsg+0xee/0x170 [ 281.822191][ T72] __sys_sendmsg+0xcd/0x170 [ 281.822191][ T72] do_syscall_64+0xc6/0x1e0 [ 281.822191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.822191][ T72] [ 281.824308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 281.824308][ T72] neigh_parms_alloc+0x1e5/0x510 [ 281.824308][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 281.824308][ T72] ipv6_find_idev+0x102/0x170 [ 281.824308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 281.824308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.824308][ T72] netlink_rcv_skb+0x130/0x360 [ 281.824308][ T72] netlink_unicast+0x449/0x710 [ 281.824308][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.824308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.824308][ T72] ___sys_sendmsg+0xee/0x170 [ 281.824308][ T72] __sys_sendmsg+0xcd/0x170 [ 281.824308][ T72] do_syscall_64+0xc6/0x1e0 [ 281.824308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.824308][ T72] [ 281.826667][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 281.827564][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 281.827564][ T72] netdev_get_by_index+0x5e/0x80 [ 281.827564][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.827564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.827564][ T72] addrconf_f6i_alloc+0x265/0x560 [ 281.827564][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 281.827564][ T72] addrconf_join_anycast+0x1c0/0x220 [ 281.827564][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 281.827564][ T72] addrconf_dad_completed+0x12b/0xe20 [ 281.827564][ T72] addrconf_dad_begin+0x310/0x670 [ 281.827564][ T72] addrconf_dad_work+0x10b/0xab0 [ 281.827564][ T72] process_one_work+0x84d/0x18a0 [ 281.827564][ T72] worker_thread+0x587/0xd30 [ 281.827564][ T72] kthread+0x28a/0x350 [ 281.827564][ T72] ret_from_fork+0x31/0x70 [ 281.827564][ T72] ret_from_fork_asm+0x1a/0x30 [ 281.827564][ T72] [ 281.829875][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 281.829875][ T72] netdev_get_by_index+0x5e/0x80 [ 281.829875][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.829875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.829875][ T72] ip6_route_add+0x1c/0x140 [ 281.829875][ T72] addrconf_prefix_route+0x2a6/0x430 [ 281.829875][ T72] inet6_addr_add+0x4f8/0xa40 [ 281.829875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.829875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.829875][ T72] netlink_rcv_skb+0x130/0x360 [ 281.829875][ T72] netlink_unicast+0x449/0x710 [ 281.829875][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.829875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.829875][ T72] ___sys_sendmsg+0xee/0x170 [ 281.829875][ T72] __sys_sendmsg+0xcd/0x170 [ 281.829875][ T72] do_syscall_64+0xc6/0x1e0 [ 281.829875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.829875][ T72] [ 281.832417][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 281.832417][ T72] netdev_get_by_index+0x5e/0x80 [ 281.832417][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.832417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.832417][ T72] addrconf_f6i_alloc+0x315/0x560 [ 281.832417][ T72] ipv6_add_addr+0x411/0x2000 [ 281.832417][ T72] inet6_addr_add+0x30e/0xa40 [ 281.832417][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.832417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.832417][ T72] netlink_rcv_skb+0x130/0x360 [ 281.832417][ T72] netlink_unicast+0x449/0x710 [ 281.832417][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.832417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.832417][ T72] ___sys_sendmsg+0xee/0x170 [ 281.832417][ T72] __sys_sendmsg+0xcd/0x170 [ 281.832417][ T72] do_syscall_64+0xc6/0x1e0 [ 281.832417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.832417][ T72] [ 281.835087][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 281.835087][ T72] netdev_get_by_index+0x5e/0x80 [ 281.835087][ T72] fib6_nh_init+0x3d8/0x1580 [ 281.835087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 281.835087][ T72] ip6_route_add+0x1c/0x140 [ 281.835087][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 281.835087][ T72] addrconf_add_dev+0xe2/0x170 [ 281.835087][ T72] inet6_addr_add+0x12f/0xa40 [ 281.835087][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 281.835087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.835087][ T72] netlink_rcv_skb+0x130/0x360 [ 281.835087][ T72] netlink_unicast+0x449/0x710 [ 281.835087][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.835087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.835087][ T72] ___sys_sendmsg+0xee/0x170 [ 281.835087][ T72] __sys_sendmsg+0xcd/0x170 [ 281.835087][ T72] do_syscall_64+0xc6/0x1e0 [ 281.835087][ T72] [ 281.837726][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 281.837726][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 281.837726][ T72] ipv6_find_idev+0x102/0x170 [ 281.837726][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 281.837726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.837726][ T72] netlink_rcv_skb+0x130/0x360 [ 281.837726][ T72] netlink_unicast+0x449/0x710 [ 281.837726][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.837726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.837726][ T72] ___sys_sendmsg+0xee/0x170 [ 281.837726][ T72] __sys_sendmsg+0xcd/0x170 [ 281.837726][ T72] do_syscall_64+0xc6/0x1e0 [ 281.837726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.837726][ T72] [ 281.839620][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 281.839620][ T72] neigh_parms_alloc+0x1e5/0x510 [ 281.839620][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 281.839620][ T72] ipv6_find_idev+0x102/0x170 [ 281.839620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 281.839620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 281.839620][ T72] netlink_rcv_skb+0x130/0x360 [ 281.839620][ T72] netlink_unicast+0x449/0x710 [ 281.839620][ T72] netlink_sendmsg+0x723/0xbe0 [ 281.839620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 281.839620][ T72] ___sys_sendmsg+0xee/0x170 [ 281.839620][ T72] __sys_sendmsg+0xcd/0x170 [ 281.839620][ T72] do_syscall_64+0xc6/0x1e0 [ 281.839620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 281.839620][ T72] [ 292.080959][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 292.081463][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 292.081463][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 292.081463][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 292.081463][ T72] fib6_nh_init+0xa22/0x1580 [ 292.081463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.081463][ T72] ip6_route_add+0x1c/0x140 [ 292.081463][ T72] inet6_rtm_newroute+0x104/0x110 [ 292.081463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.081463][ T72] netlink_rcv_skb+0x130/0x360 [ 292.081463][ T72] netlink_unicast+0x449/0x710 [ 292.081463][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.081463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.081463][ T72] ___sys_sendmsg+0xee/0x170 [ 292.081463][ T72] __sys_sendmsg+0xcd/0x170 [ 292.081463][ T72] do_syscall_64+0xc6/0x1e0 [ 292.081463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.081463][ T72] [ 292.083323][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 292.083323][ T72] dst_init+0x84/0x4a0 [ 292.083323][ T72] dst_alloc+0x97/0x150 [ 292.083323][ T72] ip6_dst_alloc+0x23/0x90 [ 292.083323][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 292.083323][ T72] ip6_pol_route+0x56f/0x840 [ 292.083323][ T72] fib6_rule_lookup+0x456/0x630 [ 292.083323][ T72] ip6_route_input+0x59c/0xa50 [ 292.083323][ T72] ipv6_rcv+0x397/0x810 [ 292.083323][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 292.083323][ T72] process_backlog+0x101/0x620 [ 292.083323][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 292.083323][ T72] net_rx_action+0x495/0xbe0 [ 292.083323][ T72] __do_softirq+0x1b5/0x7f6 [ 292.083323][ T72] [ 292.084930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 292.084930][ T72] netdev_get_by_index+0x5e/0x80 [ 292.084930][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.084930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.084930][ T72] ip6_route_add+0x1c/0x140 [ 292.084930][ T72] addrconf_prefix_route+0x2a6/0x430 [ 292.084930][ T72] inet6_addr_add+0x4f8/0xa40 [ 292.084930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.084930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.084930][ T72] netlink_rcv_skb+0x130/0x360 [ 292.084930][ T72] netlink_unicast+0x449/0x710 [ 292.084930][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.084930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.084930][ T72] ___sys_sendmsg+0xee/0x170 [ 292.084930][ T72] __sys_sendmsg+0xcd/0x170 [ 292.084930][ T72] do_syscall_64+0xc6/0x1e0 [ 292.084930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.084930][ T72] [ 292.086939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 292.086939][ T72] netdev_get_by_index+0x5e/0x80 [ 292.086939][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.086939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.086939][ T72] addrconf_f6i_alloc+0x315/0x560 [ 292.086939][ T72] ipv6_add_addr+0x411/0x2000 [ 292.086939][ T72] inet6_addr_add+0x30e/0xa40 [ 292.086939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.086939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.086939][ T72] netlink_rcv_skb+0x130/0x360 [ 292.086939][ T72] netlink_unicast+0x449/0x710 [ 292.086939][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.086939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.086939][ T72] ___sys_sendmsg+0xee/0x170 [ 292.086939][ T72] __sys_sendmsg+0xcd/0x170 [ 292.086939][ T72] do_syscall_64+0xc6/0x1e0 [ 292.086939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.086939][ T72] [ 292.088930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 292.088930][ T72] netdev_get_by_index+0x5e/0x80 [ 292.088930][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.088930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.088930][ T72] ip6_route_add+0x1c/0x140 [ 292.088930][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 292.088930][ T72] addrconf_add_dev+0xe2/0x170 [ 292.088930][ T72] inet6_addr_add+0x12f/0xa40 [ 292.088930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.088930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.088930][ T72] netlink_rcv_skb+0x130/0x360 [ 292.088930][ T72] netlink_unicast+0x449/0x710 [ 292.088930][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.088930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.088930][ T72] ___sys_sendmsg+0xee/0x170 [ 292.088930][ T72] __sys_sendmsg+0xcd/0x170 [ 292.088930][ T72] do_syscall_64+0xc6/0x1e0 [ 292.088930][ T72] [ 292.090854][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 292.090854][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 292.090854][ T72] ipv6_find_idev+0x102/0x170 [ 292.090854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 292.090854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.090854][ T72] netlink_rcv_skb+0x130/0x360 [ 292.090854][ T72] netlink_unicast+0x449/0x710 [ 292.090854][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.090854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.090854][ T72] ___sys_sendmsg+0xee/0x170 [ 292.090854][ T72] __sys_sendmsg+0xcd/0x170 [ 292.090854][ T72] do_syscall_64+0xc6/0x1e0 [ 292.090854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.090854][ T72] [ 292.092407][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 292.092407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 292.092407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 292.092407][ T72] ipv6_find_idev+0x102/0x170 [ 292.092407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 292.092407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.092407][ T72] netlink_rcv_skb+0x130/0x360 [ 292.092407][ T72] netlink_unicast+0x449/0x710 [ 292.092407][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.092407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.092407][ T72] ___sys_sendmsg+0xee/0x170 [ 292.092407][ T72] __sys_sendmsg+0xcd/0x170 [ 292.092407][ T72] do_syscall_64+0xc6/0x1e0 [ 292.092407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.092407][ T72] [ 292.094119][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 292.094415][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 292.094415][ T72] dst_init+0x84/0x4a0 [ 292.094415][ T72] dst_alloc+0x97/0x150 [ 292.094415][ T72] ip6_dst_alloc+0x23/0x90 [ 292.094415][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 292.094415][ T72] ip6_pol_route+0x56f/0x840 [ 292.094415][ T72] fib6_rule_lookup+0x456/0x630 [ 292.094415][ T72] ip6_route_input+0x59c/0xa50 [ 292.094415][ T72] ipv6_rcv+0x397/0x810 [ 292.094415][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 292.094415][ T72] process_backlog+0x101/0x620 [ 292.094415][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 292.094415][ T72] net_rx_action+0x495/0xbe0 [ 292.094415][ T72] __do_softirq+0x1b5/0x7f6 [ 292.094415][ T72] [ 292.096063][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 292.096063][ T72] netdev_get_by_index+0x5e/0x80 [ 292.096063][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.096063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.096063][ T72] addrconf_f6i_alloc+0x265/0x560 [ 292.096063][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 292.096063][ T72] addrconf_join_anycast+0x1c0/0x220 [ 292.096063][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 292.096063][ T72] addrconf_dad_completed+0x12b/0xe20 [ 292.096063][ T72] addrconf_dad_begin+0x310/0x670 [ 292.096063][ T72] addrconf_dad_work+0x10b/0xab0 [ 292.096063][ T72] process_one_work+0x84d/0x18a0 [ 292.096063][ T72] worker_thread+0x587/0xd30 [ 292.096063][ T72] kthread+0x28a/0x350 [ 292.096063][ T72] ret_from_fork+0x31/0x70 [ 292.096063][ T72] ret_from_fork_asm+0x1a/0x30 [ 292.096063][ T72] [ 292.098019][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 292.098019][ T72] netdev_get_by_index+0x5e/0x80 [ 292.098019][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.098019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.098019][ T72] ip6_route_add+0x1c/0x140 [ 292.098019][ T72] addrconf_prefix_route+0x2a6/0x430 [ 292.098019][ T72] inet6_addr_add+0x4f8/0xa40 [ 292.098019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.098019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.098019][ T72] netlink_rcv_skb+0x130/0x360 [ 292.098019][ T72] netlink_unicast+0x449/0x710 [ 292.098019][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.098019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.098019][ T72] ___sys_sendmsg+0xee/0x170 [ 292.098019][ T72] __sys_sendmsg+0xcd/0x170 [ 292.098019][ T72] do_syscall_64+0xc6/0x1e0 [ 292.098019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.098019][ T72] [ 292.099979][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 292.099979][ T72] netdev_get_by_index+0x5e/0x80 [ 292.099979][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.099979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.099979][ T72] addrconf_f6i_alloc+0x315/0x560 [ 292.099979][ T72] ipv6_add_addr+0x411/0x2000 [ 292.099979][ T72] inet6_addr_add+0x30e/0xa40 [ 292.099979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.099979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.099979][ T72] netlink_rcv_skb+0x130/0x360 [ 292.099979][ T72] netlink_unicast+0x449/0x710 [ 292.099979][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.099979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.099979][ T72] ___sys_sendmsg+0xee/0x170 [ 292.099979][ T72] __sys_sendmsg+0xcd/0x170 [ 292.099979][ T72] do_syscall_64+0xc6/0x1e0 [ 292.099979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.099979][ T72] [ 292.101930][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 292.101930][ T72] netdev_get_by_index+0x5e/0x80 [ 292.101930][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.101930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.101930][ T72] ip6_route_add+0x1c/0x140 [ 292.101930][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 292.101930][ T72] addrconf_add_dev+0xe2/0x170 [ 292.101930][ T72] inet6_addr_add+0x12f/0xa40 [ 292.101930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.101930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.101930][ T72] netlink_rcv_skb+0x130/0x360 [ 292.101930][ T72] netlink_unicast+0x449/0x710 [ 292.101930][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.101930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.101930][ T72] ___sys_sendmsg+0xee/0x170 [ 292.101930][ T72] __sys_sendmsg+0xcd/0x170 [ 292.101930][ T72] do_syscall_64+0xc6/0x1e0 [ 292.101930][ T72] [ 292.104291][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 292.104291][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 292.104291][ T72] ipv6_find_idev+0x102/0x170 [ 292.104291][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 292.104291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.104291][ T72] netlink_rcv_skb+0x130/0x360 [ 292.104291][ T72] netlink_unicast+0x449/0x710 [ 292.104291][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.104291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.104291][ T72] ___sys_sendmsg+0xee/0x170 [ 292.104291][ T72] __sys_sendmsg+0xcd/0x170 [ 292.104291][ T72] do_syscall_64+0xc6/0x1e0 [ 292.104291][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.104291][ T72] [ 292.105859][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 292.105859][ T72] neigh_parms_alloc+0x1e5/0x510 [ 292.105859][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 292.105859][ T72] ipv6_find_idev+0x102/0x170 [ 292.105859][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 292.105859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.105859][ T72] netlink_rcv_skb+0x130/0x360 [ 292.105859][ T72] netlink_unicast+0x449/0x710 [ 292.105859][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.105859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.105859][ T72] ___sys_sendmsg+0xee/0x170 [ 292.105859][ T72] __sys_sendmsg+0xcd/0x170 [ 292.105859][ T72] do_syscall_64+0xc6/0x1e0 [ 292.105859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.105859][ T72] [ 292.107651][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 292.108015][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 292.108015][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 292.108015][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 292.108015][ T72] fib6_nh_init+0xa22/0x1580 [ 292.108015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.108015][ T72] ip6_route_add+0x1c/0x140 [ 292.108015][ T72] inet6_rtm_newroute+0x104/0x110 [ 292.108015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.108015][ T72] netlink_rcv_skb+0x130/0x360 [ 292.108015][ T72] netlink_unicast+0x449/0x710 [ 292.108015][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.108015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.108015][ T72] ___sys_sendmsg+0xee/0x170 [ 292.108015][ T72] __sys_sendmsg+0xcd/0x170 [ 292.108015][ T72] do_syscall_64+0xc6/0x1e0 [ 292.108015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.108015][ T72] [ 292.110015][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 292.110015][ T72] dst_init+0x84/0x4a0 [ 292.110015][ T72] dst_alloc+0x97/0x150 [ 292.110015][ T72] ip6_dst_alloc+0x23/0x90 [ 292.110015][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 292.110015][ T72] ip6_pol_route+0x56f/0x840 [ 292.110015][ T72] fib6_rule_lookup+0x456/0x630 [ 292.110015][ T72] ip6_route_input+0x59c/0xa50 [ 292.110015][ T72] ipv6_rcv+0x397/0x810 [ 292.110015][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 292.110015][ T72] process_backlog+0x101/0x620 [ 292.110015][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 292.110015][ T72] net_rx_action+0x495/0xbe0 [ 292.110015][ T72] __do_softirq+0x1b5/0x7f6 [ 292.110015][ T72] [ 292.111790][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 292.111790][ T72] netdev_get_by_index+0x5e/0x80 [ 292.111790][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.111790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.111790][ T72] ip6_route_add+0x1c/0x140 [ 292.111790][ T72] addrconf_prefix_route+0x2a6/0x430 [ 292.111790][ T72] inet6_addr_add+0x4f8/0xa40 [ 292.111790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.111790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.111790][ T72] netlink_rcv_skb+0x130/0x360 [ 292.111790][ T72] netlink_unicast+0x449/0x710 [ 292.111790][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.111790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.111790][ T72] ___sys_sendmsg+0xee/0x170 [ 292.111790][ T72] __sys_sendmsg+0xcd/0x170 [ 292.111790][ T72] do_syscall_64+0xc6/0x1e0 [ 292.111790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.111790][ T72] [ 292.114056][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 292.114056][ T72] netdev_get_by_index+0x5e/0x80 [ 292.114056][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.114056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.114056][ T72] addrconf_f6i_alloc+0x315/0x560 [ 292.114056][ T72] ipv6_add_addr+0x411/0x2000 [ 292.114056][ T72] inet6_addr_add+0x30e/0xa40 [ 292.114056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.114056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.114056][ T72] netlink_rcv_skb+0x130/0x360 [ 292.114056][ T72] netlink_unicast+0x449/0x710 [ 292.114056][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.114056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.114056][ T72] ___sys_sendmsg+0xee/0x170 [ 292.114056][ T72] __sys_sendmsg+0xcd/0x170 [ 292.114056][ T72] do_syscall_64+0xc6/0x1e0 [ 292.114056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.114056][ T72] [ 292.116250][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 292.116250][ T72] netdev_get_by_index+0x5e/0x80 [ 292.116250][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.116250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.116250][ T72] ip6_route_add+0x1c/0x140 [ 292.116250][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 292.116250][ T72] addrconf_add_dev+0xe2/0x170 [ 292.116250][ T72] inet6_addr_add+0x12f/0xa40 [ 292.116250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.116250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.116250][ T72] netlink_rcv_skb+0x130/0x360 [ 292.116250][ T72] netlink_unicast+0x449/0x710 [ 292.116250][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.116250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.116250][ T72] ___sys_sendmsg+0xee/0x170 [ 292.116250][ T72] __sys_sendmsg+0xcd/0x170 [ 292.116250][ T72] do_syscall_64+0xc6/0x1e0 [ 292.116250][ T72] [ 292.118534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 292.118534][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 292.118534][ T72] ipv6_find_idev+0x102/0x170 [ 292.118534][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 292.118534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.118534][ T72] netlink_rcv_skb+0x130/0x360 [ 292.118534][ T72] netlink_unicast+0x449/0x710 [ 292.118534][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.118534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.118534][ T72] ___sys_sendmsg+0xee/0x170 [ 292.118534][ T72] __sys_sendmsg+0xcd/0x170 [ 292.118534][ T72] do_syscall_64+0xc6/0x1e0 [ 292.118534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.118534][ T72] [ 292.120214][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 292.120214][ T72] neigh_parms_alloc+0x1e5/0x510 [ 292.120214][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 292.120214][ T72] ipv6_find_idev+0x102/0x170 [ 292.120214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 292.120214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.120214][ T72] netlink_rcv_skb+0x130/0x360 [ 292.120214][ T72] netlink_unicast+0x449/0x710 [ 292.120214][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.120214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.120214][ T72] ___sys_sendmsg+0xee/0x170 [ 292.120214][ T72] __sys_sendmsg+0xcd/0x170 [ 292.120214][ T72] do_syscall_64+0xc6/0x1e0 [ 292.120214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.120214][ T72] [ 292.122070][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 292.122401][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 292.122401][ T72] netdev_get_by_index+0x5e/0x80 [ 292.122401][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.122401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.122401][ T72] addrconf_f6i_alloc+0x265/0x560 [ 292.122401][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 292.122401][ T72] addrconf_join_anycast+0x1c0/0x220 [ 292.122401][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 292.122401][ T72] addrconf_dad_completed+0x12b/0xe20 [ 292.122401][ T72] addrconf_dad_begin+0x310/0x670 [ 292.122401][ T72] addrconf_dad_work+0x10b/0xab0 [ 292.122401][ T72] process_one_work+0x84d/0x18a0 [ 292.122401][ T72] worker_thread+0x587/0xd30 [ 292.122401][ T72] kthread+0x28a/0x350 [ 292.122401][ T72] ret_from_fork+0x31/0x70 [ 292.122401][ T72] ret_from_fork_asm+0x1a/0x30 [ 292.122401][ T72] [ 292.124472][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 292.124472][ T72] netdev_get_by_index+0x5e/0x80 [ 292.124472][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.124472][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.124472][ T72] ip6_route_add+0x1c/0x140 [ 292.124472][ T72] addrconf_prefix_route+0x2a6/0x430 [ 292.124472][ T72] inet6_addr_add+0x4f8/0xa40 [ 292.124472][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.124472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.124472][ T72] netlink_rcv_skb+0x130/0x360 [ 292.124472][ T72] netlink_unicast+0x449/0x710 [ 292.124472][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.124472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.124472][ T72] ___sys_sendmsg+0xee/0x170 [ 292.124472][ T72] __sys_sendmsg+0xcd/0x170 [ 292.124472][ T72] do_syscall_64+0xc6/0x1e0 [ 292.124472][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.124472][ T72] [ 292.126692][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 292.126692][ T72] netdev_get_by_index+0x5e/0x80 [ 292.126692][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.126692][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.126692][ T72] addrconf_f6i_alloc+0x315/0x560 [ 292.126692][ T72] ipv6_add_addr+0x411/0x2000 [ 292.126692][ T72] inet6_addr_add+0x30e/0xa40 [ 292.126692][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.126692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.126692][ T72] netlink_rcv_skb+0x130/0x360 [ 292.126692][ T72] netlink_unicast+0x449/0x710 [ 292.126692][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.126692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.126692][ T72] ___sys_sendmsg+0xee/0x170 [ 292.126692][ T72] __sys_sendmsg+0xcd/0x170 [ 292.126692][ T72] do_syscall_64+0xc6/0x1e0 [ 292.126692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.126692][ T72] [ 292.128971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 292.128971][ T72] netdev_get_by_index+0x5e/0x80 [ 292.128971][ T72] fib6_nh_init+0x3d8/0x1580 [ 292.128971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 292.128971][ T72] ip6_route_add+0x1c/0x140 [ 292.128971][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 292.128971][ T72] addrconf_add_dev+0xe2/0x170 [ 292.128971][ T72] inet6_addr_add+0x12f/0xa40 [ 292.128971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 292.128971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.128971][ T72] netlink_rcv_skb+0x130/0x360 [ 292.128971][ T72] netlink_unicast+0x449/0x710 [ 292.128971][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.128971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.128971][ T72] ___sys_sendmsg+0xee/0x170 [ 292.128971][ T72] __sys_sendmsg+0xcd/0x170 [ 292.128971][ T72] do_syscall_64+0xc6/0x1e0 [ 292.128971][ T72] [ 292.131188][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 292.131188][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 292.131188][ T72] ipv6_find_idev+0x102/0x170 [ 292.131188][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 292.131188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.131188][ T72] netlink_rcv_skb+0x130/0x360 [ 292.131188][ T72] netlink_unicast+0x449/0x710 [ 292.131188][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.131188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.131188][ T72] ___sys_sendmsg+0xee/0x170 [ 292.131188][ T72] __sys_sendmsg+0xcd/0x170 [ 292.131188][ T72] do_syscall_64+0xc6/0x1e0 [ 292.131188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.131188][ T72] [ 292.132883][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 292.132883][ T72] neigh_parms_alloc+0x1e5/0x510 [ 292.132883][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 292.132883][ T72] ipv6_find_idev+0x102/0x170 [ 292.132883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 292.132883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 292.132883][ T72] netlink_rcv_skb+0x130/0x360 [ 292.132883][ T72] netlink_unicast+0x449/0x710 [ 292.132883][ T72] netlink_sendmsg+0x723/0xbe0 [ 292.132883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 292.132883][ T72] ___sys_sendmsg+0xee/0x170 [ 292.132883][ T72] __sys_sendmsg+0xcd/0x170 [ 292.132883][ T72] do_syscall_64+0xc6/0x1e0 [ 292.132883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 292.132883][ T72] [ 302.168946][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 302.169428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 302.169428][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 302.169428][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 302.169428][ T72] fib6_nh_init+0xa22/0x1580 [ 302.169428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.169428][ T72] ip6_route_add+0x1c/0x140 [ 302.169428][ T72] inet6_rtm_newroute+0x104/0x110 [ 302.169428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.169428][ T72] netlink_rcv_skb+0x130/0x360 [ 302.169428][ T72] netlink_unicast+0x449/0x710 [ 302.169428][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.169428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.169428][ T72] ___sys_sendmsg+0xee/0x170 [ 302.169428][ T72] __sys_sendmsg+0xcd/0x170 [ 302.169428][ T72] do_syscall_64+0xc6/0x1e0 [ 302.169428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.169428][ T72] [ 302.171564][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 302.171564][ T72] dst_init+0x84/0x4a0 [ 302.171564][ T72] dst_alloc+0x97/0x150 [ 302.171564][ T72] ip6_dst_alloc+0x23/0x90 [ 302.171564][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 302.171564][ T72] ip6_pol_route+0x56f/0x840 [ 302.171564][ T72] fib6_rule_lookup+0x456/0x630 [ 302.171564][ T72] ip6_route_input+0x59c/0xa50 [ 302.171564][ T72] ipv6_rcv+0x397/0x810 [ 302.171564][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 302.171564][ T72] process_backlog+0x101/0x620 [ 302.171564][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 302.171564][ T72] net_rx_action+0x495/0xbe0 [ 302.171564][ T72] __do_softirq+0x1b5/0x7f6 [ 302.171564][ T72] [ 302.173442][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 302.173442][ T72] netdev_get_by_index+0x5e/0x80 [ 302.173442][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.173442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.173442][ T72] ip6_route_add+0x1c/0x140 [ 302.173442][ T72] addrconf_prefix_route+0x2a6/0x430 [ 302.173442][ T72] inet6_addr_add+0x4f8/0xa40 [ 302.173442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.173442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.173442][ T72] netlink_rcv_skb+0x130/0x360 [ 302.173442][ T72] netlink_unicast+0x449/0x710 [ 302.173442][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.173442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.173442][ T72] ___sys_sendmsg+0xee/0x170 [ 302.173442][ T72] __sys_sendmsg+0xcd/0x170 [ 302.173442][ T72] do_syscall_64+0xc6/0x1e0 [ 302.173442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.173442][ T72] [ 302.175710][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 302.175710][ T72] netdev_get_by_index+0x5e/0x80 [ 302.175710][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.175710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.175710][ T72] addrconf_f6i_alloc+0x315/0x560 [ 302.175710][ T72] ipv6_add_addr+0x411/0x2000 [ 302.175710][ T72] inet6_addr_add+0x30e/0xa40 [ 302.175710][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.175710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.175710][ T72] netlink_rcv_skb+0x130/0x360 [ 302.175710][ T72] netlink_unicast+0x449/0x710 [ 302.175710][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.175710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.175710][ T72] ___sys_sendmsg+0xee/0x170 [ 302.175710][ T72] __sys_sendmsg+0xcd/0x170 [ 302.175710][ T72] do_syscall_64+0xc6/0x1e0 [ 302.175710][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.175710][ T72] [ 302.178004][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 302.178004][ T72] netdev_get_by_index+0x5e/0x80 [ 302.178004][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.178004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.178004][ T72] ip6_route_add+0x1c/0x140 [ 302.178004][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 302.178004][ T72] addrconf_add_dev+0xe2/0x170 [ 302.178004][ T72] inet6_addr_add+0x12f/0xa40 [ 302.178004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.178004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.178004][ T72] netlink_rcv_skb+0x130/0x360 [ 302.178004][ T72] netlink_unicast+0x449/0x710 [ 302.178004][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.178004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.178004][ T72] ___sys_sendmsg+0xee/0x170 [ 302.178004][ T72] __sys_sendmsg+0xcd/0x170 [ 302.178004][ T72] do_syscall_64+0xc6/0x1e0 [ 302.178004][ T72] [ 302.180220][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 302.180220][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 302.180220][ T72] ipv6_find_idev+0x102/0x170 [ 302.180220][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 302.180220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.180220][ T72] netlink_rcv_skb+0x130/0x360 [ 302.180220][ T72] netlink_unicast+0x449/0x710 [ 302.180220][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.180220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.180220][ T72] ___sys_sendmsg+0xee/0x170 [ 302.180220][ T72] __sys_sendmsg+0xcd/0x170 [ 302.180220][ T72] do_syscall_64+0xc6/0x1e0 [ 302.180220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.180220][ T72] [ 302.181985][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 302.181985][ T72] neigh_parms_alloc+0x1e5/0x510 [ 302.181985][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 302.181985][ T72] ipv6_find_idev+0x102/0x170 [ 302.181985][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 302.181985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.181985][ T72] netlink_rcv_skb+0x130/0x360 [ 302.181985][ T72] netlink_unicast+0x449/0x710 [ 302.181985][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.181985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.181985][ T72] ___sys_sendmsg+0xee/0x170 [ 302.181985][ T72] __sys_sendmsg+0xcd/0x170 [ 302.181985][ T72] do_syscall_64+0xc6/0x1e0 [ 302.181985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.181985][ T72] [ 302.183940][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 302.184244][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 302.184244][ T72] dst_init+0x84/0x4a0 [ 302.184244][ T72] dst_alloc+0x97/0x150 [ 302.184244][ T72] ip6_dst_alloc+0x23/0x90 [ 302.184244][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 302.184244][ T72] ip6_pol_route+0x56f/0x840 [ 302.184244][ T72] fib6_rule_lookup+0x456/0x630 [ 302.184244][ T72] ip6_route_input+0x59c/0xa50 [ 302.184244][ T72] ipv6_rcv+0x397/0x810 [ 302.184244][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 302.184244][ T72] process_backlog+0x101/0x620 [ 302.184244][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 302.184244][ T72] net_rx_action+0x495/0xbe0 [ 302.184244][ T72] __do_softirq+0x1b5/0x7f6 [ 302.184244][ T72] [ 302.186108][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 302.186108][ T72] netdev_get_by_index+0x5e/0x80 [ 302.186108][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.186108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.186108][ T72] addrconf_f6i_alloc+0x265/0x560 [ 302.186108][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 302.186108][ T72] addrconf_join_anycast+0x1c0/0x220 [ 302.186108][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 302.186108][ T72] addrconf_dad_completed+0x12b/0xe20 [ 302.186108][ T72] addrconf_dad_begin+0x310/0x670 [ 302.186108][ T72] addrconf_dad_work+0x10b/0xab0 [ 302.186108][ T72] process_one_work+0x84d/0x18a0 [ 302.186108][ T72] worker_thread+0x587/0xd30 [ 302.186108][ T72] kthread+0x28a/0x350 [ 302.186108][ T72] ret_from_fork+0x31/0x70 [ 302.186108][ T72] ret_from_fork_asm+0x1a/0x30 [ 302.186108][ T72] [ 302.188281][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 302.188281][ T72] netdev_get_by_index+0x5e/0x80 [ 302.188281][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.188281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.188281][ T72] ip6_route_add+0x1c/0x140 [ 302.188281][ T72] addrconf_prefix_route+0x2a6/0x430 [ 302.188281][ T72] inet6_addr_add+0x4f8/0xa40 [ 302.188281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.188281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.188281][ T72] netlink_rcv_skb+0x130/0x360 [ 302.188281][ T72] netlink_unicast+0x449/0x710 [ 302.188281][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.188281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.188281][ T72] ___sys_sendmsg+0xee/0x170 [ 302.188281][ T72] __sys_sendmsg+0xcd/0x170 [ 302.188281][ T72] do_syscall_64+0xc6/0x1e0 [ 302.188281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.188281][ T72] [ 302.190528][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 302.190528][ T72] netdev_get_by_index+0x5e/0x80 [ 302.190528][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.190528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.190528][ T72] addrconf_f6i_alloc+0x315/0x560 [ 302.190528][ T72] ipv6_add_addr+0x411/0x2000 [ 302.190528][ T72] inet6_addr_add+0x30e/0xa40 [ 302.190528][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.190528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.190528][ T72] netlink_rcv_skb+0x130/0x360 [ 302.190528][ T72] netlink_unicast+0x449/0x710 [ 302.190528][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.190528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.190528][ T72] ___sys_sendmsg+0xee/0x170 [ 302.190528][ T72] __sys_sendmsg+0xcd/0x170 [ 302.190528][ T72] do_syscall_64+0xc6/0x1e0 [ 302.190528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.190528][ T72] [ 302.192786][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 302.192786][ T72] netdev_get_by_index+0x5e/0x80 [ 302.192786][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.192786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.192786][ T72] ip6_route_add+0x1c/0x140 [ 302.192786][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 302.192786][ T72] addrconf_add_dev+0xe2/0x170 [ 302.192786][ T72] inet6_addr_add+0x12f/0xa40 [ 302.192786][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.192786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.192786][ T72] netlink_rcv_skb+0x130/0x360 [ 302.192786][ T72] netlink_unicast+0x449/0x710 [ 302.192786][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.192786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.192786][ T72] ___sys_sendmsg+0xee/0x170 [ 302.192786][ T72] __sys_sendmsg+0xcd/0x170 [ 302.192786][ T72] do_syscall_64+0xc6/0x1e0 [ 302.192786][ T72] [ 302.194996][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 302.194996][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 302.194996][ T72] ipv6_find_idev+0x102/0x170 [ 302.194996][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 302.194996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.194996][ T72] netlink_rcv_skb+0x130/0x360 [ 302.194996][ T72] netlink_unicast+0x449/0x710 [ 302.194996][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.194996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.194996][ T72] ___sys_sendmsg+0xee/0x170 [ 302.194996][ T72] __sys_sendmsg+0xcd/0x170 [ 302.194996][ T72] do_syscall_64+0xc6/0x1e0 [ 302.194996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.194996][ T72] [ 302.196750][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 302.196750][ T72] neigh_parms_alloc+0x1e5/0x510 [ 302.196750][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 302.196750][ T72] ipv6_find_idev+0x102/0x170 [ 302.196750][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 302.196750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.196750][ T72] netlink_rcv_skb+0x130/0x360 [ 302.196750][ T72] netlink_unicast+0x449/0x710 [ 302.196750][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.196750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.196750][ T72] ___sys_sendmsg+0xee/0x170 [ 302.196750][ T72] __sys_sendmsg+0xcd/0x170 [ 302.196750][ T72] do_syscall_64+0xc6/0x1e0 [ 302.196750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.196750][ T72] [ 302.198780][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 302.199103][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 302.199103][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 302.199103][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 302.199103][ T72] fib6_nh_init+0xa22/0x1580 [ 302.199103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.199103][ T72] ip6_route_add+0x1c/0x140 [ 302.199103][ T72] inet6_rtm_newroute+0x104/0x110 [ 302.199103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.199103][ T72] netlink_rcv_skb+0x130/0x360 [ 302.199103][ T72] netlink_unicast+0x449/0x710 [ 302.199103][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.199103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.199103][ T72] ___sys_sendmsg+0xee/0x170 [ 302.199103][ T72] __sys_sendmsg+0xcd/0x170 [ 302.199103][ T72] do_syscall_64+0xc6/0x1e0 [ 302.199103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.199103][ T72] [ 302.201546][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 302.201546][ T72] dst_init+0x84/0x4a0 [ 302.201546][ T72] dst_alloc+0x97/0x150 [ 302.201546][ T72] ip6_dst_alloc+0x23/0x90 [ 302.201546][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 302.201546][ T72] ip6_pol_route+0x56f/0x840 [ 302.201546][ T72] fib6_rule_lookup+0x456/0x630 [ 302.201546][ T72] ip6_route_input+0x59c/0xa50 [ 302.201546][ T72] ipv6_rcv+0x397/0x810 [ 302.201546][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 302.201546][ T72] process_backlog+0x101/0x620 [ 302.201546][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 302.201546][ T72] net_rx_action+0x495/0xbe0 [ 302.201546][ T72] __do_softirq+0x1b5/0x7f6 [ 302.201546][ T72] [ 302.203575][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 302.203575][ T72] netdev_get_by_index+0x5e/0x80 [ 302.203575][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.203575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.203575][ T72] ip6_route_add+0x1c/0x140 [ 302.203575][ T72] addrconf_prefix_route+0x2a6/0x430 [ 302.203575][ T72] inet6_addr_add+0x4f8/0xa40 [ 302.203575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.203575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.203575][ T72] netlink_rcv_skb+0x130/0x360 [ 302.203575][ T72] netlink_unicast+0x449/0x710 [ 302.203575][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.203575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.203575][ T72] ___sys_sendmsg+0xee/0x170 [ 302.203575][ T72] __sys_sendmsg+0xcd/0x170 [ 302.203575][ T72] do_syscall_64+0xc6/0x1e0 [ 302.203575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.203575][ T72] [ 302.206064][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 302.206064][ T72] netdev_get_by_index+0x5e/0x80 [ 302.206064][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.206064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.206064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 302.206064][ T72] ipv6_add_addr+0x411/0x2000 [ 302.206064][ T72] inet6_addr_add+0x30e/0xa40 [ 302.206064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.206064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.206064][ T72] netlink_rcv_skb+0x130/0x360 [ 302.206064][ T72] netlink_unicast+0x449/0x710 [ 302.206064][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.206064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.206064][ T72] ___sys_sendmsg+0xee/0x170 [ 302.206064][ T72] __sys_sendmsg+0xcd/0x170 [ 302.206064][ T72] do_syscall_64+0xc6/0x1e0 [ 302.206064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.206064][ T72] [ 302.208575][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 302.208575][ T72] netdev_get_by_index+0x5e/0x80 [ 302.208575][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.208575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.208575][ T72] ip6_route_add+0x1c/0x140 [ 302.208575][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 302.208575][ T72] addrconf_add_dev+0xe2/0x170 [ 302.208575][ T72] inet6_addr_add+0x12f/0xa40 [ 302.208575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.208575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.208575][ T72] netlink_rcv_skb+0x130/0x360 [ 302.208575][ T72] netlink_unicast+0x449/0x710 [ 302.208575][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.208575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.208575][ T72] ___sys_sendmsg+0xee/0x170 [ 302.208575][ T72] __sys_sendmsg+0xcd/0x170 [ 302.208575][ T72] do_syscall_64+0xc6/0x1e0 [ 302.208575][ T72] [ 302.211013][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 302.211013][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 302.211013][ T72] ipv6_find_idev+0x102/0x170 [ 302.211013][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 302.211013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.211013][ T72] netlink_rcv_skb+0x130/0x360 [ 302.211013][ T72] netlink_unicast+0x449/0x710 [ 302.211013][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.211013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.211013][ T72] ___sys_sendmsg+0xee/0x170 [ 302.211013][ T72] __sys_sendmsg+0xcd/0x170 [ 302.211013][ T72] do_syscall_64+0xc6/0x1e0 [ 302.211013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.211013][ T72] [ 302.212918][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 302.212918][ T72] neigh_parms_alloc+0x1e5/0x510 [ 302.212918][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 302.212918][ T72] ipv6_find_idev+0x102/0x170 [ 302.212918][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 302.212918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.212918][ T72] netlink_rcv_skb+0x130/0x360 [ 302.212918][ T72] netlink_unicast+0x449/0x710 [ 302.212918][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.212918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.212918][ T72] ___sys_sendmsg+0xee/0x170 [ 302.212918][ T72] __sys_sendmsg+0xcd/0x170 [ 302.212918][ T72] do_syscall_64+0xc6/0x1e0 [ 302.212918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.212918][ T72] [ 302.215050][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 302.215359][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 302.215359][ T72] netdev_get_by_index+0x5e/0x80 [ 302.215359][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.215359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.215359][ T72] addrconf_f6i_alloc+0x265/0x560 [ 302.215359][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 302.215359][ T72] addrconf_join_anycast+0x1c0/0x220 [ 302.215359][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 302.215359][ T72] addrconf_dad_completed+0x12b/0xe20 [ 302.215359][ T72] addrconf_dad_begin+0x310/0x670 [ 302.215359][ T72] addrconf_dad_work+0x10b/0xab0 [ 302.215359][ T72] process_one_work+0x84d/0x18a0 [ 302.215359][ T72] worker_thread+0x587/0xd30 [ 302.215359][ T72] kthread+0x28a/0x350 [ 302.215359][ T72] ret_from_fork+0x31/0x70 [ 302.215359][ T72] ret_from_fork_asm+0x1a/0x30 [ 302.215359][ T72] [ 302.217736][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 302.217736][ T72] netdev_get_by_index+0x5e/0x80 [ 302.217736][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.217736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.217736][ T72] ip6_route_add+0x1c/0x140 [ 302.217736][ T72] addrconf_prefix_route+0x2a6/0x430 [ 302.217736][ T72] inet6_addr_add+0x4f8/0xa40 [ 302.217736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.217736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.217736][ T72] netlink_rcv_skb+0x130/0x360 [ 302.217736][ T72] netlink_unicast+0x449/0x710 [ 302.217736][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.217736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.217736][ T72] ___sys_sendmsg+0xee/0x170 [ 302.217736][ T72] __sys_sendmsg+0xcd/0x170 [ 302.217736][ T72] do_syscall_64+0xc6/0x1e0 [ 302.217736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.217736][ T72] [ 302.220171][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 302.220171][ T72] netdev_get_by_index+0x5e/0x80 [ 302.220171][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.220171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.220171][ T72] addrconf_f6i_alloc+0x315/0x560 [ 302.220171][ T72] ipv6_add_addr+0x411/0x2000 [ 302.220171][ T72] inet6_addr_add+0x30e/0xa40 [ 302.220171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.220171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.220171][ T72] netlink_rcv_skb+0x130/0x360 [ 302.220171][ T72] netlink_unicast+0x449/0x710 [ 302.220171][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.220171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.220171][ T72] ___sys_sendmsg+0xee/0x170 [ 302.220171][ T72] __sys_sendmsg+0xcd/0x170 [ 302.220171][ T72] do_syscall_64+0xc6/0x1e0 [ 302.220171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.220171][ T72] [ 302.222727][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 302.222727][ T72] netdev_get_by_index+0x5e/0x80 [ 302.222727][ T72] fib6_nh_init+0x3d8/0x1580 [ 302.222727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 302.222727][ T72] ip6_route_add+0x1c/0x140 [ 302.222727][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 302.222727][ T72] addrconf_add_dev+0xe2/0x170 [ 302.222727][ T72] inet6_addr_add+0x12f/0xa40 [ 302.222727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 302.222727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.222727][ T72] netlink_rcv_skb+0x130/0x360 [ 302.222727][ T72] netlink_unicast+0x449/0x710 [ 302.222727][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.222727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.222727][ T72] ___sys_sendmsg+0xee/0x170 [ 302.222727][ T72] __sys_sendmsg+0xcd/0x170 [ 302.222727][ T72] do_syscall_64+0xc6/0x1e0 [ 302.222727][ T72] [ 302.225165][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 302.225165][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 302.225165][ T72] ipv6_find_idev+0x102/0x170 [ 302.225165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 302.225165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.225165][ T72] netlink_rcv_skb+0x130/0x360 [ 302.225165][ T72] netlink_unicast+0x449/0x710 [ 302.225165][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.225165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.225165][ T72] ___sys_sendmsg+0xee/0x170 [ 302.225165][ T72] __sys_sendmsg+0xcd/0x170 [ 302.225165][ T72] do_syscall_64+0xc6/0x1e0 [ 302.225165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.225165][ T72] [ 302.227073][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 302.227073][ T72] neigh_parms_alloc+0x1e5/0x510 [ 302.227073][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 302.227073][ T72] ipv6_find_idev+0x102/0x170 [ 302.227073][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 302.227073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 302.227073][ T72] netlink_rcv_skb+0x130/0x360 [ 302.227073][ T72] netlink_unicast+0x449/0x710 [ 302.227073][ T72] netlink_sendmsg+0x723/0xbe0 [ 302.227073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 302.227073][ T72] ___sys_sendmsg+0xee/0x170 [ 302.227073][ T72] __sys_sendmsg+0xcd/0x170 [ 302.227073][ T72] do_syscall_64+0xc6/0x1e0 [ 302.227073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 302.227073][ T72] [ 312.464957][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 312.465497][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 312.465497][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 312.465497][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 312.465497][ T72] fib6_nh_init+0xa22/0x1580 [ 312.465497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.465497][ T72] ip6_route_add+0x1c/0x140 [ 312.465497][ T72] inet6_rtm_newroute+0x104/0x110 [ 312.465497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.465497][ T72] netlink_rcv_skb+0x130/0x360 [ 312.465497][ T72] netlink_unicast+0x449/0x710 [ 312.465497][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.465497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.465497][ T72] ___sys_sendmsg+0xee/0x170 [ 312.465497][ T72] __sys_sendmsg+0xcd/0x170 [ 312.465497][ T72] do_syscall_64+0xc6/0x1e0 [ 312.465497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.465497][ T72] [ 312.467467][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 312.467467][ T72] dst_init+0x84/0x4a0 [ 312.467467][ T72] dst_alloc+0x97/0x150 [ 312.467467][ T72] ip6_dst_alloc+0x23/0x90 [ 312.467467][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 312.467467][ T72] ip6_pol_route+0x56f/0x840 [ 312.467467][ T72] fib6_rule_lookup+0x456/0x630 [ 312.467467][ T72] ip6_route_input+0x59c/0xa50 [ 312.467467][ T72] ipv6_rcv+0x397/0x810 [ 312.467467][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 312.467467][ T72] process_backlog+0x101/0x620 [ 312.467467][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 312.467467][ T72] net_rx_action+0x495/0xbe0 [ 312.467467][ T72] __do_softirq+0x1b5/0x7f6 [ 312.467467][ T72] [ 312.469135][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 312.469135][ T72] netdev_get_by_index+0x5e/0x80 [ 312.469135][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.469135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.469135][ T72] ip6_route_add+0x1c/0x140 [ 312.469135][ T72] addrconf_prefix_route+0x2a6/0x430 [ 312.469135][ T72] inet6_addr_add+0x4f8/0xa40 [ 312.469135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.469135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.469135][ T72] netlink_rcv_skb+0x130/0x360 [ 312.469135][ T72] netlink_unicast+0x449/0x710 [ 312.469135][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.469135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.469135][ T72] ___sys_sendmsg+0xee/0x170 [ 312.469135][ T72] __sys_sendmsg+0xcd/0x170 [ 312.469135][ T72] do_syscall_64+0xc6/0x1e0 [ 312.469135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.469135][ T72] [ 312.471174][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 312.471174][ T72] netdev_get_by_index+0x5e/0x80 [ 312.471174][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.471174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.471174][ T72] addrconf_f6i_alloc+0x315/0x560 [ 312.471174][ T72] ipv6_add_addr+0x411/0x2000 [ 312.471174][ T72] inet6_addr_add+0x30e/0xa40 [ 312.471174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.471174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.471174][ T72] netlink_rcv_skb+0x130/0x360 [ 312.471174][ T72] netlink_unicast+0x449/0x710 [ 312.471174][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.471174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.471174][ T72] ___sys_sendmsg+0xee/0x170 [ 312.471174][ T72] __sys_sendmsg+0xcd/0x170 [ 312.471174][ T72] do_syscall_64+0xc6/0x1e0 [ 312.471174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.471174][ T72] [ 312.473225][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 312.473225][ T72] netdev_get_by_index+0x5e/0x80 [ 312.473225][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.473225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.473225][ T72] ip6_route_add+0x1c/0x140 [ 312.473225][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 312.473225][ T72] addrconf_add_dev+0xe2/0x170 [ 312.473225][ T72] inet6_addr_add+0x12f/0xa40 [ 312.473225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.473225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.473225][ T72] netlink_rcv_skb+0x130/0x360 [ 312.473225][ T72] netlink_unicast+0x449/0x710 [ 312.473225][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.473225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.473225][ T72] ___sys_sendmsg+0xee/0x170 [ 312.473225][ T72] __sys_sendmsg+0xcd/0x170 [ 312.473225][ T72] do_syscall_64+0xc6/0x1e0 [ 312.473225][ T72] [ 312.475359][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 312.475359][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 312.475359][ T72] ipv6_find_idev+0x102/0x170 [ 312.475359][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 312.475359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.475359][ T72] netlink_rcv_skb+0x130/0x360 [ 312.475359][ T72] netlink_unicast+0x449/0x710 [ 312.475359][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.475359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.475359][ T72] ___sys_sendmsg+0xee/0x170 [ 312.475359][ T72] __sys_sendmsg+0xcd/0x170 [ 312.475359][ T72] do_syscall_64+0xc6/0x1e0 [ 312.475359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.475359][ T72] [ 312.476931][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 312.476931][ T72] neigh_parms_alloc+0x1e5/0x510 [ 312.476931][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 312.476931][ T72] ipv6_find_idev+0x102/0x170 [ 312.476931][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 312.476931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.476931][ T72] netlink_rcv_skb+0x130/0x360 [ 312.476931][ T72] netlink_unicast+0x449/0x710 [ 312.476931][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.476931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.476931][ T72] ___sys_sendmsg+0xee/0x170 [ 312.476931][ T72] __sys_sendmsg+0xcd/0x170 [ 312.476931][ T72] do_syscall_64+0xc6/0x1e0 [ 312.476931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.476931][ T72] [ 312.478663][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 312.478962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 312.478962][ T72] dst_init+0x84/0x4a0 [ 312.478962][ T72] dst_alloc+0x97/0x150 [ 312.478962][ T72] ip6_dst_alloc+0x23/0x90 [ 312.478962][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 312.478962][ T72] ip6_pol_route+0x56f/0x840 [ 312.478962][ T72] fib6_rule_lookup+0x456/0x630 [ 312.478962][ T72] ip6_route_input+0x59c/0xa50 [ 312.478962][ T72] ipv6_rcv+0x397/0x810 [ 312.478962][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 312.478962][ T72] process_backlog+0x101/0x620 [ 312.478962][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 312.478962][ T72] net_rx_action+0x495/0xbe0 [ 312.478962][ T72] __do_softirq+0x1b5/0x7f6 [ 312.478962][ T72] [ 312.480634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 312.480634][ T72] netdev_get_by_index+0x5e/0x80 [ 312.480634][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.480634][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.480634][ T72] addrconf_f6i_alloc+0x265/0x560 [ 312.480634][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 312.480634][ T72] addrconf_join_anycast+0x1c0/0x220 [ 312.480634][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 312.480634][ T72] addrconf_dad_completed+0x12b/0xe20 [ 312.480634][ T72] addrconf_dad_begin+0x310/0x670 [ 312.480634][ T72] addrconf_dad_work+0x10b/0xab0 [ 312.480634][ T72] process_one_work+0x84d/0x18a0 [ 312.480634][ T72] worker_thread+0x587/0xd30 [ 312.480634][ T72] kthread+0x28a/0x350 [ 312.480634][ T72] ret_from_fork+0x31/0x70 [ 312.480634][ T72] ret_from_fork_asm+0x1a/0x30 [ 312.480634][ T72] [ 312.482572][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 312.482572][ T72] netdev_get_by_index+0x5e/0x80 [ 312.482572][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.482572][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.482572][ T72] ip6_route_add+0x1c/0x140 [ 312.482572][ T72] addrconf_prefix_route+0x2a6/0x430 [ 312.482572][ T72] inet6_addr_add+0x4f8/0xa40 [ 312.482572][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.482572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.482572][ T72] netlink_rcv_skb+0x130/0x360 [ 312.482572][ T72] netlink_unicast+0x449/0x710 [ 312.482572][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.482572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.482572][ T72] ___sys_sendmsg+0xee/0x170 [ 312.482572][ T72] __sys_sendmsg+0xcd/0x170 [ 312.482572][ T72] do_syscall_64+0xc6/0x1e0 [ 312.482572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.482572][ T72] [ 312.484592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 312.484592][ T72] netdev_get_by_index+0x5e/0x80 [ 312.484592][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.484592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.484592][ T72] addrconf_f6i_alloc+0x315/0x560 [ 312.484592][ T72] ipv6_add_addr+0x411/0x2000 [ 312.484592][ T72] inet6_addr_add+0x30e/0xa40 [ 312.484592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.484592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.484592][ T72] netlink_rcv_skb+0x130/0x360 [ 312.484592][ T72] netlink_unicast+0x449/0x710 [ 312.484592][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.484592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.484592][ T72] ___sys_sendmsg+0xee/0x170 [ 312.484592][ T72] __sys_sendmsg+0xcd/0x170 [ 312.484592][ T72] do_syscall_64+0xc6/0x1e0 [ 312.484592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.484592][ T72] [ 312.486636][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 312.486636][ T72] netdev_get_by_index+0x5e/0x80 [ 312.486636][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.486636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.486636][ T72] ip6_route_add+0x1c/0x140 [ 312.486636][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 312.486636][ T72] addrconf_add_dev+0xe2/0x170 [ 312.486636][ T72] inet6_addr_add+0x12f/0xa40 [ 312.486636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.486636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.486636][ T72] netlink_rcv_skb+0x130/0x360 [ 312.486636][ T72] netlink_unicast+0x449/0x710 [ 312.486636][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.486636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.486636][ T72] ___sys_sendmsg+0xee/0x170 [ 312.486636][ T72] __sys_sendmsg+0xcd/0x170 [ 312.486636][ T72] do_syscall_64+0xc6/0x1e0 [ 312.486636][ T72] [ 312.489021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 312.489021][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 312.489021][ T72] ipv6_find_idev+0x102/0x170 [ 312.489021][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 312.489021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.489021][ T72] netlink_rcv_skb+0x130/0x360 [ 312.489021][ T72] netlink_unicast+0x449/0x710 [ 312.489021][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.489021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.489021][ T72] ___sys_sendmsg+0xee/0x170 [ 312.489021][ T72] __sys_sendmsg+0xcd/0x170 [ 312.489021][ T72] do_syscall_64+0xc6/0x1e0 [ 312.489021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.489021][ T72] [ 312.490608][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 312.490608][ T72] neigh_parms_alloc+0x1e5/0x510 [ 312.490608][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 312.490608][ T72] ipv6_find_idev+0x102/0x170 [ 312.490608][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 312.490608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.490608][ T72] netlink_rcv_skb+0x130/0x360 [ 312.490608][ T72] netlink_unicast+0x449/0x710 [ 312.490608][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.490608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.490608][ T72] ___sys_sendmsg+0xee/0x170 [ 312.490608][ T72] __sys_sendmsg+0xcd/0x170 [ 312.490608][ T72] do_syscall_64+0xc6/0x1e0 [ 312.490608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.490608][ T72] [ 312.492438][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 312.492750][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 312.492750][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 312.492750][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 312.492750][ T72] fib6_nh_init+0xa22/0x1580 [ 312.492750][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.492750][ T72] ip6_route_add+0x1c/0x140 [ 312.492750][ T72] inet6_rtm_newroute+0x104/0x110 [ 312.492750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.492750][ T72] netlink_rcv_skb+0x130/0x360 [ 312.492750][ T72] netlink_unicast+0x449/0x710 [ 312.492750][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.492750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.492750][ T72] ___sys_sendmsg+0xee/0x170 [ 312.492750][ T72] __sys_sendmsg+0xcd/0x170 [ 312.492750][ T72] do_syscall_64+0xc6/0x1e0 [ 312.492750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.492750][ T72] [ 312.494874][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 312.494874][ T72] dst_init+0x84/0x4a0 [ 312.494874][ T72] dst_alloc+0x97/0x150 [ 312.494874][ T72] ip6_dst_alloc+0x23/0x90 [ 312.494874][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 312.494874][ T72] ip6_pol_route+0x56f/0x840 [ 312.494874][ T72] fib6_rule_lookup+0x456/0x630 [ 312.494874][ T72] ip6_route_input+0x59c/0xa50 [ 312.494874][ T72] ipv6_rcv+0x397/0x810 [ 312.494874][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 312.494874][ T72] process_backlog+0x101/0x620 [ 312.494874][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 312.494874][ T72] net_rx_action+0x495/0xbe0 [ 312.494874][ T72] __do_softirq+0x1b5/0x7f6 [ 312.494874][ T72] [ 312.496621][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 312.496621][ T72] netdev_get_by_index+0x5e/0x80 [ 312.496621][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.496621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.496621][ T72] ip6_route_add+0x1c/0x140 [ 312.496621][ T72] addrconf_prefix_route+0x2a6/0x430 [ 312.496621][ T72] inet6_addr_add+0x4f8/0xa40 [ 312.496621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.496621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.496621][ T72] netlink_rcv_skb+0x130/0x360 [ 312.496621][ T72] netlink_unicast+0x449/0x710 [ 312.496621][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.496621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.496621][ T72] ___sys_sendmsg+0xee/0x170 [ 312.496621][ T72] __sys_sendmsg+0xcd/0x170 [ 312.496621][ T72] do_syscall_64+0xc6/0x1e0 [ 312.496621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.496621][ T72] [ 312.498780][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 312.498780][ T72] netdev_get_by_index+0x5e/0x80 [ 312.498780][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.498780][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.498780][ T72] addrconf_f6i_alloc+0x315/0x560 [ 312.498780][ T72] ipv6_add_addr+0x411/0x2000 [ 312.498780][ T72] inet6_addr_add+0x30e/0xa40 [ 312.498780][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.498780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.498780][ T72] netlink_rcv_skb+0x130/0x360 [ 312.498780][ T72] netlink_unicast+0x449/0x710 [ 312.498780][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.498780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.498780][ T72] ___sys_sendmsg+0xee/0x170 [ 312.498780][ T72] __sys_sendmsg+0xcd/0x170 [ 312.498780][ T72] do_syscall_64+0xc6/0x1e0 [ 312.498780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.498780][ T72] [ 312.500947][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 312.500947][ T72] netdev_get_by_index+0x5e/0x80 [ 312.500947][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.500947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.500947][ T72] ip6_route_add+0x1c/0x140 [ 312.500947][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 312.500947][ T72] addrconf_add_dev+0xe2/0x170 [ 312.500947][ T72] inet6_addr_add+0x12f/0xa40 [ 312.500947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.500947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.500947][ T72] netlink_rcv_skb+0x130/0x360 [ 312.500947][ T72] netlink_unicast+0x449/0x710 [ 312.500947][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.500947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.500947][ T72] ___sys_sendmsg+0xee/0x170 [ 312.500947][ T72] __sys_sendmsg+0xcd/0x170 [ 312.500947][ T72] do_syscall_64+0xc6/0x1e0 [ 312.500947][ T72] [ 312.503093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 312.503093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 312.503093][ T72] ipv6_find_idev+0x102/0x170 [ 312.503093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 312.503093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.503093][ T72] netlink_rcv_skb+0x130/0x360 [ 312.503093][ T72] netlink_unicast+0x449/0x710 [ 312.503093][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.503093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.503093][ T72] ___sys_sendmsg+0xee/0x170 [ 312.503093][ T72] __sys_sendmsg+0xcd/0x170 [ 312.503093][ T72] do_syscall_64+0xc6/0x1e0 [ 312.503093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.503093][ T72] [ 312.504729][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 312.504729][ T72] neigh_parms_alloc+0x1e5/0x510 [ 312.504729][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 312.504729][ T72] ipv6_find_idev+0x102/0x170 [ 312.504729][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 312.504729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.504729][ T72] netlink_rcv_skb+0x130/0x360 [ 312.504729][ T72] netlink_unicast+0x449/0x710 [ 312.504729][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.504729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.504729][ T72] ___sys_sendmsg+0xee/0x170 [ 312.504729][ T72] __sys_sendmsg+0xcd/0x170 [ 312.504729][ T72] do_syscall_64+0xc6/0x1e0 [ 312.504729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.504729][ T72] [ 312.506612][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 312.507335][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 312.507335][ T72] netdev_get_by_index+0x5e/0x80 [ 312.507335][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.507335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.507335][ T72] addrconf_f6i_alloc+0x265/0x560 [ 312.507335][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 312.507335][ T72] addrconf_join_anycast+0x1c0/0x220 [ 312.507335][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 312.507335][ T72] addrconf_dad_completed+0x12b/0xe20 [ 312.507335][ T72] addrconf_dad_begin+0x310/0x670 [ 312.507335][ T72] addrconf_dad_work+0x10b/0xab0 [ 312.507335][ T72] process_one_work+0x84d/0x18a0 [ 312.507335][ T72] worker_thread+0x587/0xd30 [ 312.507335][ T72] kthread+0x28a/0x350 [ 312.507335][ T72] ret_from_fork+0x31/0x70 [ 312.507335][ T72] ret_from_fork_asm+0x1a/0x30 [ 312.507335][ T72] [ 312.509268][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 312.509268][ T72] netdev_get_by_index+0x5e/0x80 [ 312.509268][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.509268][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.509268][ T72] ip6_route_add+0x1c/0x140 [ 312.509268][ T72] addrconf_prefix_route+0x2a6/0x430 [ 312.509268][ T72] inet6_addr_add+0x4f8/0xa40 [ 312.509268][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.509268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.509268][ T72] netlink_rcv_skb+0x130/0x360 [ 312.509268][ T72] netlink_unicast+0x449/0x710 [ 312.509268][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.509268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.509268][ T72] ___sys_sendmsg+0xee/0x170 [ 312.509268][ T72] __sys_sendmsg+0xcd/0x170 [ 312.509268][ T72] do_syscall_64+0xc6/0x1e0 [ 312.509268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.509268][ T72] [ 312.511369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 312.511369][ T72] netdev_get_by_index+0x5e/0x80 [ 312.511369][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.511369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.511369][ T72] addrconf_f6i_alloc+0x315/0x560 [ 312.511369][ T72] ipv6_add_addr+0x411/0x2000 [ 312.511369][ T72] inet6_addr_add+0x30e/0xa40 [ 312.511369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.511369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.511369][ T72] netlink_rcv_skb+0x130/0x360 [ 312.511369][ T72] netlink_unicast+0x449/0x710 [ 312.511369][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.511369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.511369][ T72] ___sys_sendmsg+0xee/0x170 [ 312.511369][ T72] __sys_sendmsg+0xcd/0x170 [ 312.511369][ T72] do_syscall_64+0xc6/0x1e0 [ 312.511369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.511369][ T72] [ 312.513545][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 312.513545][ T72] netdev_get_by_index+0x5e/0x80 [ 312.513545][ T72] fib6_nh_init+0x3d8/0x1580 [ 312.513545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 312.513545][ T72] ip6_route_add+0x1c/0x140 [ 312.513545][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 312.513545][ T72] addrconf_add_dev+0xe2/0x170 [ 312.513545][ T72] inet6_addr_add+0x12f/0xa40 [ 312.513545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 312.513545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.513545][ T72] netlink_rcv_skb+0x130/0x360 [ 312.513545][ T72] netlink_unicast+0x449/0x710 [ 312.513545][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.513545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.513545][ T72] ___sys_sendmsg+0xee/0x170 [ 312.513545][ T72] __sys_sendmsg+0xcd/0x170 [ 312.513545][ T72] do_syscall_64+0xc6/0x1e0 [ 312.513545][ T72] [ 312.515702][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 312.515702][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 312.515702][ T72] ipv6_find_idev+0x102/0x170 [ 312.515702][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 312.515702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.515702][ T72] netlink_rcv_skb+0x130/0x360 [ 312.515702][ T72] netlink_unicast+0x449/0x710 [ 312.515702][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.515702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.515702][ T72] ___sys_sendmsg+0xee/0x170 [ 312.515702][ T72] __sys_sendmsg+0xcd/0x170 [ 312.515702][ T72] do_syscall_64+0xc6/0x1e0 [ 312.515702][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.515702][ T72] [ 312.517347][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 312.517347][ T72] neigh_parms_alloc+0x1e5/0x510 [ 312.517347][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 312.517347][ T72] ipv6_find_idev+0x102/0x170 [ 312.517347][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 312.517347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 312.517347][ T72] netlink_rcv_skb+0x130/0x360 [ 312.517347][ T72] netlink_unicast+0x449/0x710 [ 312.517347][ T72] netlink_sendmsg+0x723/0xbe0 [ 312.517347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 312.517347][ T72] ___sys_sendmsg+0xee/0x170 [ 312.517347][ T72] __sys_sendmsg+0xcd/0x170 [ 312.517347][ T72] do_syscall_64+0xc6/0x1e0 [ 312.517347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 312.517347][ T72] [ 322.841004][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 322.841611][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 322.841611][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 322.841611][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 322.841611][ T72] fib6_nh_init+0xa22/0x1580 [ 322.841611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.841611][ T72] ip6_route_add+0x1c/0x140 [ 322.841611][ T72] inet6_rtm_newroute+0x104/0x110 [ 322.841611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.841611][ T72] netlink_rcv_skb+0x130/0x360 [ 322.841611][ T72] netlink_unicast+0x449/0x710 [ 322.841611][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.841611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.841611][ T72] ___sys_sendmsg+0xee/0x170 [ 322.841611][ T72] __sys_sendmsg+0xcd/0x170 [ 322.841611][ T72] do_syscall_64+0xc6/0x1e0 [ 322.841611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.841611][ T72] [ 322.843786][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 322.843786][ T72] dst_init+0x84/0x4a0 [ 322.843786][ T72] dst_alloc+0x97/0x150 [ 322.843786][ T72] ip6_dst_alloc+0x23/0x90 [ 322.843786][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 322.843786][ T72] ip6_pol_route+0x56f/0x840 [ 322.843786][ T72] fib6_rule_lookup+0x456/0x630 [ 322.843786][ T72] ip6_route_input+0x59c/0xa50 [ 322.843786][ T72] ipv6_rcv+0x397/0x810 [ 322.843786][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 322.843786][ T72] process_backlog+0x101/0x620 [ 322.843786][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 322.843786][ T72] net_rx_action+0x495/0xbe0 [ 322.843786][ T72] __do_softirq+0x1b5/0x7f6 [ 322.843786][ T72] [ 322.845685][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 322.845685][ T72] netdev_get_by_index+0x5e/0x80 [ 322.845685][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.845685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.845685][ T72] ip6_route_add+0x1c/0x140 [ 322.845685][ T72] addrconf_prefix_route+0x2a6/0x430 [ 322.845685][ T72] inet6_addr_add+0x4f8/0xa40 [ 322.845685][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.845685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.845685][ T72] netlink_rcv_skb+0x130/0x360 [ 322.845685][ T72] netlink_unicast+0x449/0x710 [ 322.845685][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.845685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.845685][ T72] ___sys_sendmsg+0xee/0x170 [ 322.845685][ T72] __sys_sendmsg+0xcd/0x170 [ 322.845685][ T72] do_syscall_64+0xc6/0x1e0 [ 322.845685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.845685][ T72] [ 322.848028][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 322.848028][ T72] netdev_get_by_index+0x5e/0x80 [ 322.848028][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.848028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.848028][ T72] addrconf_f6i_alloc+0x315/0x560 [ 322.848028][ T72] ipv6_add_addr+0x411/0x2000 [ 322.848028][ T72] inet6_addr_add+0x30e/0xa40 [ 322.848028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.848028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.848028][ T72] netlink_rcv_skb+0x130/0x360 [ 322.848028][ T72] netlink_unicast+0x449/0x710 [ 322.848028][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.848028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.848028][ T72] ___sys_sendmsg+0xee/0x170 [ 322.848028][ T72] __sys_sendmsg+0xcd/0x170 [ 322.848028][ T72] do_syscall_64+0xc6/0x1e0 [ 322.848028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.848028][ T72] [ 322.850253][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 322.850253][ T72] netdev_get_by_index+0x5e/0x80 [ 322.850253][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.850253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.850253][ T72] ip6_route_add+0x1c/0x140 [ 322.850253][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 322.850253][ T72] addrconf_add_dev+0xe2/0x170 [ 322.850253][ T72] inet6_addr_add+0x12f/0xa40 [ 322.850253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.850253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.850253][ T72] netlink_rcv_skb+0x130/0x360 [ 322.850253][ T72] netlink_unicast+0x449/0x710 [ 322.850253][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.850253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.850253][ T72] ___sys_sendmsg+0xee/0x170 [ 322.850253][ T72] __sys_sendmsg+0xcd/0x170 [ 322.850253][ T72] do_syscall_64+0xc6/0x1e0 [ 322.850253][ T72] [ 322.852428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 322.852428][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 322.852428][ T72] ipv6_find_idev+0x102/0x170 [ 322.852428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 322.852428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.852428][ T72] netlink_rcv_skb+0x130/0x360 [ 322.852428][ T72] netlink_unicast+0x449/0x710 [ 322.852428][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.852428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.852428][ T72] ___sys_sendmsg+0xee/0x170 [ 322.852428][ T72] __sys_sendmsg+0xcd/0x170 [ 322.852428][ T72] do_syscall_64+0xc6/0x1e0 [ 322.852428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.852428][ T72] [ 322.854093][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 322.854093][ T72] neigh_parms_alloc+0x1e5/0x510 [ 322.854093][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 322.854093][ T72] ipv6_find_idev+0x102/0x170 [ 322.854093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 322.854093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.854093][ T72] netlink_rcv_skb+0x130/0x360 [ 322.854093][ T72] netlink_unicast+0x449/0x710 [ 322.854093][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.854093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.854093][ T72] ___sys_sendmsg+0xee/0x170 [ 322.854093][ T72] __sys_sendmsg+0xcd/0x170 [ 322.854093][ T72] do_syscall_64+0xc6/0x1e0 [ 322.854093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.854093][ T72] [ 322.856096][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 322.856429][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 322.856429][ T72] dst_init+0x84/0x4a0 [ 322.856429][ T72] dst_alloc+0x97/0x150 [ 322.856429][ T72] ip6_dst_alloc+0x23/0x90 [ 322.856429][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 322.856429][ T72] ip6_pol_route+0x56f/0x840 [ 322.856429][ T72] fib6_rule_lookup+0x456/0x630 [ 322.856429][ T72] ip6_route_input+0x59c/0xa50 [ 322.856429][ T72] ipv6_rcv+0x397/0x810 [ 322.856429][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 322.856429][ T72] process_backlog+0x101/0x620 [ 322.856429][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 322.856429][ T72] net_rx_action+0x495/0xbe0 [ 322.856429][ T72] __do_softirq+0x1b5/0x7f6 [ 322.856429][ T72] [ 322.858371][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 322.858371][ T72] netdev_get_by_index+0x5e/0x80 [ 322.858371][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.858371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.858371][ T72] addrconf_f6i_alloc+0x265/0x560 [ 322.858371][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 322.858371][ T72] addrconf_join_anycast+0x1c0/0x220 [ 322.858371][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 322.858371][ T72] addrconf_dad_completed+0x12b/0xe20 [ 322.858371][ T72] addrconf_dad_begin+0x310/0x670 [ 322.858371][ T72] addrconf_dad_work+0x10b/0xab0 [ 322.858371][ T72] process_one_work+0x84d/0x18a0 [ 322.858371][ T72] worker_thread+0x587/0xd30 [ 322.858371][ T72] kthread+0x28a/0x350 [ 322.858371][ T72] ret_from_fork+0x31/0x70 [ 322.858371][ T72] ret_from_fork_asm+0x1a/0x30 [ 322.858371][ T72] [ 322.860548][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 322.860548][ T72] netdev_get_by_index+0x5e/0x80 [ 322.860548][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.860548][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.860548][ T72] ip6_route_add+0x1c/0x140 [ 322.860548][ T72] addrconf_prefix_route+0x2a6/0x430 [ 322.860548][ T72] inet6_addr_add+0x4f8/0xa40 [ 322.860548][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.860548][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.860548][ T72] netlink_rcv_skb+0x130/0x360 [ 322.860548][ T72] netlink_unicast+0x449/0x710 [ 322.860548][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.860548][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.860548][ T72] ___sys_sendmsg+0xee/0x170 [ 322.860548][ T72] __sys_sendmsg+0xcd/0x170 [ 322.860548][ T72] do_syscall_64+0xc6/0x1e0 [ 322.860548][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.860548][ T72] [ 322.862867][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 322.862867][ T72] netdev_get_by_index+0x5e/0x80 [ 322.862867][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.862867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.862867][ T72] addrconf_f6i_alloc+0x315/0x560 [ 322.862867][ T72] ipv6_add_addr+0x411/0x2000 [ 322.862867][ T72] inet6_addr_add+0x30e/0xa40 [ 322.862867][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.862867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.862867][ T72] netlink_rcv_skb+0x130/0x360 [ 322.862867][ T72] netlink_unicast+0x449/0x710 [ 322.862867][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.862867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.862867][ T72] ___sys_sendmsg+0xee/0x170 [ 322.862867][ T72] __sys_sendmsg+0xcd/0x170 [ 322.862867][ T72] do_syscall_64+0xc6/0x1e0 [ 322.862867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.862867][ T72] [ 322.865200][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 322.865200][ T72] netdev_get_by_index+0x5e/0x80 [ 322.865200][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.865200][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.865200][ T72] ip6_route_add+0x1c/0x140 [ 322.865200][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 322.865200][ T72] addrconf_add_dev+0xe2/0x170 [ 322.865200][ T72] inet6_addr_add+0x12f/0xa40 [ 322.865200][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.865200][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.865200][ T72] netlink_rcv_skb+0x130/0x360 [ 322.865200][ T72] netlink_unicast+0x449/0x710 [ 322.865200][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.865200][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.865200][ T72] ___sys_sendmsg+0xee/0x170 [ 322.865200][ T72] __sys_sendmsg+0xcd/0x170 [ 322.865200][ T72] do_syscall_64+0xc6/0x1e0 [ 322.865200][ T72] [ 322.867458][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 322.867458][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 322.867458][ T72] ipv6_find_idev+0x102/0x170 [ 322.867458][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 322.867458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.867458][ T72] netlink_rcv_skb+0x130/0x360 [ 322.867458][ T72] netlink_unicast+0x449/0x710 [ 322.867458][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.867458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.867458][ T72] ___sys_sendmsg+0xee/0x170 [ 322.867458][ T72] __sys_sendmsg+0xcd/0x170 [ 322.867458][ T72] do_syscall_64+0xc6/0x1e0 [ 322.867458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.867458][ T72] [ 322.869262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 322.869262][ T72] neigh_parms_alloc+0x1e5/0x510 [ 322.869262][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 322.869262][ T72] ipv6_find_idev+0x102/0x170 [ 322.869262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 322.869262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.869262][ T72] netlink_rcv_skb+0x130/0x360 [ 322.869262][ T72] netlink_unicast+0x449/0x710 [ 322.869262][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.869262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.869262][ T72] ___sys_sendmsg+0xee/0x170 [ 322.869262][ T72] __sys_sendmsg+0xcd/0x170 [ 322.869262][ T72] do_syscall_64+0xc6/0x1e0 [ 322.869262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.869262][ T72] [ 322.871214][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 322.871498][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 322.871498][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 322.871498][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 322.871498][ T72] fib6_nh_init+0xa22/0x1580 [ 322.871498][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.871498][ T72] ip6_route_add+0x1c/0x140 [ 322.871498][ T72] inet6_rtm_newroute+0x104/0x110 [ 322.871498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.871498][ T72] netlink_rcv_skb+0x130/0x360 [ 322.871498][ T72] netlink_unicast+0x449/0x710 [ 322.871498][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.871498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.871498][ T72] ___sys_sendmsg+0xee/0x170 [ 322.871498][ T72] __sys_sendmsg+0xcd/0x170 [ 322.871498][ T72] do_syscall_64+0xc6/0x1e0 [ 322.871498][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.871498][ T72] [ 322.873710][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 322.873710][ T72] dst_init+0x84/0x4a0 [ 322.873710][ T72] dst_alloc+0x97/0x150 [ 322.873710][ T72] ip6_dst_alloc+0x23/0x90 [ 322.873710][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 322.873710][ T72] ip6_pol_route+0x56f/0x840 [ 322.873710][ T72] fib6_rule_lookup+0x456/0x630 [ 322.873710][ T72] ip6_route_input+0x59c/0xa50 [ 322.873710][ T72] ipv6_rcv+0x397/0x810 [ 322.873710][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 322.873710][ T72] process_backlog+0x101/0x620 [ 322.873710][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 322.873710][ T72] net_rx_action+0x495/0xbe0 [ 322.873710][ T72] __do_softirq+0x1b5/0x7f6 [ 322.873710][ T72] [ 322.875723][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 322.875723][ T72] netdev_get_by_index+0x5e/0x80 [ 322.875723][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.875723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.875723][ T72] ip6_route_add+0x1c/0x140 [ 322.875723][ T72] addrconf_prefix_route+0x2a6/0x430 [ 322.875723][ T72] inet6_addr_add+0x4f8/0xa40 [ 322.875723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.875723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.875723][ T72] netlink_rcv_skb+0x130/0x360 [ 322.875723][ T72] netlink_unicast+0x449/0x710 [ 322.875723][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.875723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.875723][ T72] ___sys_sendmsg+0xee/0x170 [ 322.875723][ T72] __sys_sendmsg+0xcd/0x170 [ 322.875723][ T72] do_syscall_64+0xc6/0x1e0 [ 322.875723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.875723][ T72] [ 322.878276][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 322.878276][ T72] netdev_get_by_index+0x5e/0x80 [ 322.878276][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.878276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.878276][ T72] addrconf_f6i_alloc+0x315/0x560 [ 322.878276][ T72] ipv6_add_addr+0x411/0x2000 [ 322.878276][ T72] inet6_addr_add+0x30e/0xa40 [ 322.878276][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.878276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.878276][ T72] netlink_rcv_skb+0x130/0x360 [ 322.878276][ T72] netlink_unicast+0x449/0x710 [ 322.878276][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.878276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.878276][ T72] ___sys_sendmsg+0xee/0x170 [ 322.878276][ T72] __sys_sendmsg+0xcd/0x170 [ 322.878276][ T72] do_syscall_64+0xc6/0x1e0 [ 322.878276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.878276][ T72] [ 322.880926][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 322.880926][ T72] netdev_get_by_index+0x5e/0x80 [ 322.880926][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.880926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.880926][ T72] ip6_route_add+0x1c/0x140 [ 322.880926][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 322.880926][ T72] addrconf_add_dev+0xe2/0x170 [ 322.880926][ T72] inet6_addr_add+0x12f/0xa40 [ 322.880926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.880926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.880926][ T72] netlink_rcv_skb+0x130/0x360 [ 322.880926][ T72] netlink_unicast+0x449/0x710 [ 322.880926][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.880926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.880926][ T72] ___sys_sendmsg+0xee/0x170 [ 322.880926][ T72] __sys_sendmsg+0xcd/0x170 [ 322.880926][ T72] do_syscall_64+0xc6/0x1e0 [ 322.880926][ T72] [ 322.883476][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 322.883476][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 322.883476][ T72] ipv6_find_idev+0x102/0x170 [ 322.883476][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 322.883476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.883476][ T72] netlink_rcv_skb+0x130/0x360 [ 322.883476][ T72] netlink_unicast+0x449/0x710 [ 322.883476][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.883476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.883476][ T72] ___sys_sendmsg+0xee/0x170 [ 322.883476][ T72] __sys_sendmsg+0xcd/0x170 [ 322.883476][ T72] do_syscall_64+0xc6/0x1e0 [ 322.883476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.883476][ T72] [ 322.885403][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 322.885403][ T72] neigh_parms_alloc+0x1e5/0x510 [ 322.885403][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 322.885403][ T72] ipv6_find_idev+0x102/0x170 [ 322.885403][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 322.885403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.885403][ T72] netlink_rcv_skb+0x130/0x360 [ 322.885403][ T72] netlink_unicast+0x449/0x710 [ 322.885403][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.885403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.885403][ T72] ___sys_sendmsg+0xee/0x170 [ 322.885403][ T72] __sys_sendmsg+0xcd/0x170 [ 322.885403][ T72] do_syscall_64+0xc6/0x1e0 [ 322.885403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.885403][ T72] [ 322.887563][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 322.888414][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 322.888414][ T72] netdev_get_by_index+0x5e/0x80 [ 322.888414][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.888414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.888414][ T72] addrconf_f6i_alloc+0x265/0x560 [ 322.888414][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 322.888414][ T72] addrconf_join_anycast+0x1c0/0x220 [ 322.888414][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 322.888414][ T72] addrconf_dad_completed+0x12b/0xe20 [ 322.888414][ T72] addrconf_dad_begin+0x310/0x670 [ 322.888414][ T72] addrconf_dad_work+0x10b/0xab0 [ 322.888414][ T72] process_one_work+0x84d/0x18a0 [ 322.888414][ T72] worker_thread+0x587/0xd30 [ 322.888414][ T72] kthread+0x28a/0x350 [ 322.888414][ T72] ret_from_fork+0x31/0x70 [ 322.888414][ T72] ret_from_fork_asm+0x1a/0x30 [ 322.888414][ T72] [ 322.890544][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 322.890544][ T72] netdev_get_by_index+0x5e/0x80 [ 322.890544][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.890544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.890544][ T72] ip6_route_add+0x1c/0x140 [ 322.890544][ T72] addrconf_prefix_route+0x2a6/0x430 [ 322.890544][ T72] inet6_addr_add+0x4f8/0xa40 [ 322.890544][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.890544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.890544][ T72] netlink_rcv_skb+0x130/0x360 [ 322.890544][ T72] netlink_unicast+0x449/0x710 [ 322.890544][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.890544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.890544][ T72] ___sys_sendmsg+0xee/0x170 [ 322.890544][ T72] __sys_sendmsg+0xcd/0x170 [ 322.890544][ T72] do_syscall_64+0xc6/0x1e0 [ 322.890544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.890544][ T72] [ 322.892749][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 322.892749][ T72] netdev_get_by_index+0x5e/0x80 [ 322.892749][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.892749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.892749][ T72] addrconf_f6i_alloc+0x315/0x560 [ 322.892749][ T72] ipv6_add_addr+0x411/0x2000 [ 322.892749][ T72] inet6_addr_add+0x30e/0xa40 [ 322.892749][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.892749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.892749][ T72] netlink_rcv_skb+0x130/0x360 [ 322.892749][ T72] netlink_unicast+0x449/0x710 [ 322.892749][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.892749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.892749][ T72] ___sys_sendmsg+0xee/0x170 [ 322.892749][ T72] __sys_sendmsg+0xcd/0x170 [ 322.892749][ T72] do_syscall_64+0xc6/0x1e0 [ 322.892749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.892749][ T72] [ 322.895333][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 322.895333][ T72] netdev_get_by_index+0x5e/0x80 [ 322.895333][ T72] fib6_nh_init+0x3d8/0x1580 [ 322.895333][ T72] ip6_route_info_create+0xf18/0x17d0 [ 322.895333][ T72] ip6_route_add+0x1c/0x140 [ 322.895333][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 322.895333][ T72] addrconf_add_dev+0xe2/0x170 [ 322.895333][ T72] inet6_addr_add+0x12f/0xa40 [ 322.895333][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 322.895333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.895333][ T72] netlink_rcv_skb+0x130/0x360 [ 322.895333][ T72] netlink_unicast+0x449/0x710 [ 322.895333][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.895333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.895333][ T72] ___sys_sendmsg+0xee/0x170 [ 322.895333][ T72] __sys_sendmsg+0xcd/0x170 [ 322.895333][ T72] do_syscall_64+0xc6/0x1e0 [ 322.895333][ T72] [ 322.897923][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 322.897923][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 322.897923][ T72] ipv6_find_idev+0x102/0x170 [ 322.897923][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 322.897923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.897923][ T72] netlink_rcv_skb+0x130/0x360 [ 322.897923][ T72] netlink_unicast+0x449/0x710 [ 322.897923][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.897923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.897923][ T72] ___sys_sendmsg+0xee/0x170 [ 322.897923][ T72] __sys_sendmsg+0xcd/0x170 [ 322.897923][ T72] do_syscall_64+0xc6/0x1e0 [ 322.897923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.897923][ T72] [ 322.900005][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 322.900005][ T72] neigh_parms_alloc+0x1e5/0x510 [ 322.900005][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 322.900005][ T72] ipv6_find_idev+0x102/0x170 [ 322.900005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 322.900005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 322.900005][ T72] netlink_rcv_skb+0x130/0x360 [ 322.900005][ T72] netlink_unicast+0x449/0x710 [ 322.900005][ T72] netlink_sendmsg+0x723/0xbe0 [ 322.900005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 322.900005][ T72] ___sys_sendmsg+0xee/0x170 [ 322.900005][ T72] __sys_sendmsg+0xcd/0x170 [ 322.900005][ T72] do_syscall_64+0xc6/0x1e0 [ 322.900005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 322.900005][ T72] [ 333.120911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 333.121441][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 333.121441][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 333.121441][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 333.121441][ T72] fib6_nh_init+0xa22/0x1580 [ 333.121441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.121441][ T72] ip6_route_add+0x1c/0x140 [ 333.121441][ T72] inet6_rtm_newroute+0x104/0x110 [ 333.121441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.121441][ T72] netlink_rcv_skb+0x130/0x360 [ 333.121441][ T72] netlink_unicast+0x449/0x710 [ 333.121441][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.121441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.121441][ T72] ___sys_sendmsg+0xee/0x170 [ 333.121441][ T72] __sys_sendmsg+0xcd/0x170 [ 333.121441][ T72] do_syscall_64+0xc6/0x1e0 [ 333.121441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.121441][ T72] [ 333.123517][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 333.123517][ T72] dst_init+0x84/0x4a0 [ 333.123517][ T72] dst_alloc+0x97/0x150 [ 333.123517][ T72] ip6_dst_alloc+0x23/0x90 [ 333.123517][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 333.123517][ T72] ip6_pol_route+0x56f/0x840 [ 333.123517][ T72] fib6_rule_lookup+0x456/0x630 [ 333.123517][ T72] ip6_route_input+0x59c/0xa50 [ 333.123517][ T72] ipv6_rcv+0x397/0x810 [ 333.123517][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 333.123517][ T72] process_backlog+0x101/0x620 [ 333.123517][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 333.123517][ T72] net_rx_action+0x495/0xbe0 [ 333.123517][ T72] __do_softirq+0x1b5/0x7f6 [ 333.123517][ T72] [ 333.125316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 333.125316][ T72] netdev_get_by_index+0x5e/0x80 [ 333.125316][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.125316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.125316][ T72] ip6_route_add+0x1c/0x140 [ 333.125316][ T72] addrconf_prefix_route+0x2a6/0x430 [ 333.125316][ T72] inet6_addr_add+0x4f8/0xa40 [ 333.125316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.125316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.125316][ T72] netlink_rcv_skb+0x130/0x360 [ 333.125316][ T72] netlink_unicast+0x449/0x710 [ 333.125316][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.125316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.125316][ T72] ___sys_sendmsg+0xee/0x170 [ 333.125316][ T72] __sys_sendmsg+0xcd/0x170 [ 333.125316][ T72] do_syscall_64+0xc6/0x1e0 [ 333.125316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.125316][ T72] [ 333.127523][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 333.127523][ T72] netdev_get_by_index+0x5e/0x80 [ 333.127523][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.127523][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.127523][ T72] addrconf_f6i_alloc+0x315/0x560 [ 333.127523][ T72] ipv6_add_addr+0x411/0x2000 [ 333.127523][ T72] inet6_addr_add+0x30e/0xa40 [ 333.127523][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.127523][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.127523][ T72] netlink_rcv_skb+0x130/0x360 [ 333.127523][ T72] netlink_unicast+0x449/0x710 [ 333.127523][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.127523][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.127523][ T72] ___sys_sendmsg+0xee/0x170 [ 333.127523][ T72] __sys_sendmsg+0xcd/0x170 [ 333.127523][ T72] do_syscall_64+0xc6/0x1e0 [ 333.127523][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.127523][ T72] [ 333.129721][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 333.129721][ T72] netdev_get_by_index+0x5e/0x80 [ 333.129721][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.129721][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.129721][ T72] ip6_route_add+0x1c/0x140 [ 333.129721][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 333.129721][ T72] addrconf_add_dev+0xe2/0x170 [ 333.129721][ T72] inet6_addr_add+0x12f/0xa40 [ 333.129721][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.129721][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.129721][ T72] netlink_rcv_skb+0x130/0x360 [ 333.129721][ T72] netlink_unicast+0x449/0x710 [ 333.129721][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.129721][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.129721][ T72] ___sys_sendmsg+0xee/0x170 [ 333.129721][ T72] __sys_sendmsg+0xcd/0x170 [ 333.129721][ T72] do_syscall_64+0xc6/0x1e0 [ 333.129721][ T72] [ 333.131866][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 333.131866][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 333.131866][ T72] ipv6_find_idev+0x102/0x170 [ 333.131866][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 333.131866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.131866][ T72] netlink_rcv_skb+0x130/0x360 [ 333.131866][ T72] netlink_unicast+0x449/0x710 [ 333.131866][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.131866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.131866][ T72] ___sys_sendmsg+0xee/0x170 [ 333.131866][ T72] __sys_sendmsg+0xcd/0x170 [ 333.131866][ T72] do_syscall_64+0xc6/0x1e0 [ 333.131866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.131866][ T72] [ 333.133551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 333.133551][ T72] neigh_parms_alloc+0x1e5/0x510 [ 333.133551][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 333.133551][ T72] ipv6_find_idev+0x102/0x170 [ 333.133551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 333.133551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.133551][ T72] netlink_rcv_skb+0x130/0x360 [ 333.133551][ T72] netlink_unicast+0x449/0x710 [ 333.133551][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.133551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.133551][ T72] ___sys_sendmsg+0xee/0x170 [ 333.133551][ T72] __sys_sendmsg+0xcd/0x170 [ 333.133551][ T72] do_syscall_64+0xc6/0x1e0 [ 333.133551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.133551][ T72] [ 333.135410][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 333.135705][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 333.135705][ T72] dst_init+0x84/0x4a0 [ 333.135705][ T72] dst_alloc+0x97/0x150 [ 333.135705][ T72] ip6_dst_alloc+0x23/0x90 [ 333.135705][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 333.135705][ T72] ip6_pol_route+0x56f/0x840 [ 333.135705][ T72] fib6_rule_lookup+0x456/0x630 [ 333.135705][ T72] ip6_route_input+0x59c/0xa50 [ 333.135705][ T72] ipv6_rcv+0x397/0x810 [ 333.135705][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 333.135705][ T72] process_backlog+0x101/0x620 [ 333.135705][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 333.135705][ T72] net_rx_action+0x495/0xbe0 [ 333.135705][ T72] __do_softirq+0x1b5/0x7f6 [ 333.135705][ T72] [ 333.137537][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 333.137537][ T72] netdev_get_by_index+0x5e/0x80 [ 333.137537][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.137537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.137537][ T72] addrconf_f6i_alloc+0x265/0x560 [ 333.137537][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 333.137537][ T72] addrconf_join_anycast+0x1c0/0x220 [ 333.137537][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 333.137537][ T72] addrconf_dad_completed+0x12b/0xe20 [ 333.137537][ T72] addrconf_dad_begin+0x310/0x670 [ 333.137537][ T72] addrconf_dad_work+0x10b/0xab0 [ 333.137537][ T72] process_one_work+0x84d/0x18a0 [ 333.137537][ T72] worker_thread+0x587/0xd30 [ 333.137537][ T72] kthread+0x28a/0x350 [ 333.137537][ T72] ret_from_fork+0x31/0x70 [ 333.137537][ T72] ret_from_fork_asm+0x1a/0x30 [ 333.137537][ T72] [ 333.139604][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 333.139604][ T72] netdev_get_by_index+0x5e/0x80 [ 333.139604][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.139604][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.139604][ T72] ip6_route_add+0x1c/0x140 [ 333.139604][ T72] addrconf_prefix_route+0x2a6/0x430 [ 333.139604][ T72] inet6_addr_add+0x4f8/0xa40 [ 333.139604][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.139604][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.139604][ T72] netlink_rcv_skb+0x130/0x360 [ 333.139604][ T72] netlink_unicast+0x449/0x710 [ 333.139604][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.139604][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.139604][ T72] ___sys_sendmsg+0xee/0x170 [ 333.139604][ T72] __sys_sendmsg+0xcd/0x170 [ 333.139604][ T72] do_syscall_64+0xc6/0x1e0 [ 333.139604][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.139604][ T72] [ 333.141788][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 333.141788][ T72] netdev_get_by_index+0x5e/0x80 [ 333.141788][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.141788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.141788][ T72] addrconf_f6i_alloc+0x315/0x560 [ 333.141788][ T72] ipv6_add_addr+0x411/0x2000 [ 333.141788][ T72] inet6_addr_add+0x30e/0xa40 [ 333.141788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.141788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.141788][ T72] netlink_rcv_skb+0x130/0x360 [ 333.141788][ T72] netlink_unicast+0x449/0x710 [ 333.141788][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.141788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.141788][ T72] ___sys_sendmsg+0xee/0x170 [ 333.141788][ T72] __sys_sendmsg+0xcd/0x170 [ 333.141788][ T72] do_syscall_64+0xc6/0x1e0 [ 333.141788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.141788][ T72] [ 333.143983][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 333.143983][ T72] netdev_get_by_index+0x5e/0x80 [ 333.143983][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.143983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.143983][ T72] ip6_route_add+0x1c/0x140 [ 333.143983][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 333.143983][ T72] addrconf_add_dev+0xe2/0x170 [ 333.143983][ T72] inet6_addr_add+0x12f/0xa40 [ 333.143983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.143983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.143983][ T72] netlink_rcv_skb+0x130/0x360 [ 333.143983][ T72] netlink_unicast+0x449/0x710 [ 333.143983][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.143983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.143983][ T72] ___sys_sendmsg+0xee/0x170 [ 333.143983][ T72] __sys_sendmsg+0xcd/0x170 [ 333.143983][ T72] do_syscall_64+0xc6/0x1e0 [ 333.143983][ T72] [ 333.146136][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 333.146136][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 333.146136][ T72] ipv6_find_idev+0x102/0x170 [ 333.146136][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 333.146136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.146136][ T72] netlink_rcv_skb+0x130/0x360 [ 333.146136][ T72] netlink_unicast+0x449/0x710 [ 333.146136][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.146136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.146136][ T72] ___sys_sendmsg+0xee/0x170 [ 333.146136][ T72] __sys_sendmsg+0xcd/0x170 [ 333.146136][ T72] do_syscall_64+0xc6/0x1e0 [ 333.146136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.146136][ T72] [ 333.147822][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 333.147822][ T72] neigh_parms_alloc+0x1e5/0x510 [ 333.147822][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 333.147822][ T72] ipv6_find_idev+0x102/0x170 [ 333.147822][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 333.147822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.147822][ T72] netlink_rcv_skb+0x130/0x360 [ 333.147822][ T72] netlink_unicast+0x449/0x710 [ 333.147822][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.147822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.147822][ T72] ___sys_sendmsg+0xee/0x170 [ 333.147822][ T72] __sys_sendmsg+0xcd/0x170 [ 333.147822][ T72] do_syscall_64+0xc6/0x1e0 [ 333.147822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.147822][ T72] [ 333.149757][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 333.150054][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 333.150054][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 333.150054][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 333.150054][ T72] fib6_nh_init+0xa22/0x1580 [ 333.150054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.150054][ T72] ip6_route_add+0x1c/0x140 [ 333.150054][ T72] inet6_rtm_newroute+0x104/0x110 [ 333.150054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.150054][ T72] netlink_rcv_skb+0x130/0x360 [ 333.150054][ T72] netlink_unicast+0x449/0x710 [ 333.150054][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.150054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.150054][ T72] ___sys_sendmsg+0xee/0x170 [ 333.150054][ T72] __sys_sendmsg+0xcd/0x170 [ 333.150054][ T72] do_syscall_64+0xc6/0x1e0 [ 333.150054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.150054][ T72] [ 333.152662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 333.152662][ T72] dst_init+0x84/0x4a0 [ 333.152662][ T72] dst_alloc+0x97/0x150 [ 333.152662][ T72] ip6_dst_alloc+0x23/0x90 [ 333.152662][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 333.152662][ T72] ip6_pol_route+0x56f/0x840 [ 333.152662][ T72] fib6_rule_lookup+0x456/0x630 [ 333.152662][ T72] ip6_route_input+0x59c/0xa50 [ 333.152662][ T72] ipv6_rcv+0x397/0x810 [ 333.152662][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 333.152662][ T72] process_backlog+0x101/0x620 [ 333.152662][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 333.152662][ T72] net_rx_action+0x495/0xbe0 [ 333.152662][ T72] __do_softirq+0x1b5/0x7f6 [ 333.152662][ T72] [ 333.154645][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 333.154645][ T72] netdev_get_by_index+0x5e/0x80 [ 333.154645][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.154645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.154645][ T72] ip6_route_add+0x1c/0x140 [ 333.154645][ T72] addrconf_prefix_route+0x2a6/0x430 [ 333.154645][ T72] inet6_addr_add+0x4f8/0xa40 [ 333.154645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.154645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.154645][ T72] netlink_rcv_skb+0x130/0x360 [ 333.154645][ T72] netlink_unicast+0x449/0x710 [ 333.154645][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.154645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.154645][ T72] ___sys_sendmsg+0xee/0x170 [ 333.154645][ T72] __sys_sendmsg+0xcd/0x170 [ 333.154645][ T72] do_syscall_64+0xc6/0x1e0 [ 333.154645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.154645][ T72] [ 333.157042][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 333.157042][ T72] netdev_get_by_index+0x5e/0x80 [ 333.157042][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.157042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.157042][ T72] addrconf_f6i_alloc+0x315/0x560 [ 333.157042][ T72] ipv6_add_addr+0x411/0x2000 [ 333.157042][ T72] inet6_addr_add+0x30e/0xa40 [ 333.157042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.157042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.157042][ T72] netlink_rcv_skb+0x130/0x360 [ 333.157042][ T72] netlink_unicast+0x449/0x710 [ 333.157042][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.157042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.157042][ T72] ___sys_sendmsg+0xee/0x170 [ 333.157042][ T72] __sys_sendmsg+0xcd/0x170 [ 333.157042][ T72] do_syscall_64+0xc6/0x1e0 [ 333.157042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.157042][ T72] [ 333.159408][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 333.159408][ T72] netdev_get_by_index+0x5e/0x80 [ 333.159408][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.159408][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.159408][ T72] ip6_route_add+0x1c/0x140 [ 333.159408][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 333.159408][ T72] addrconf_add_dev+0xe2/0x170 [ 333.159408][ T72] inet6_addr_add+0x12f/0xa40 [ 333.159408][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.159408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.159408][ T72] netlink_rcv_skb+0x130/0x360 [ 333.159408][ T72] netlink_unicast+0x449/0x710 [ 333.159408][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.159408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.159408][ T72] ___sys_sendmsg+0xee/0x170 [ 333.159408][ T72] __sys_sendmsg+0xcd/0x170 [ 333.159408][ T72] do_syscall_64+0xc6/0x1e0 [ 333.159408][ T72] [ 333.161889][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 333.161889][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 333.161889][ T72] ipv6_find_idev+0x102/0x170 [ 333.161889][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 333.161889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.161889][ T72] netlink_rcv_skb+0x130/0x360 [ 333.161889][ T72] netlink_unicast+0x449/0x710 [ 333.161889][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.161889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.161889][ T72] ___sys_sendmsg+0xee/0x170 [ 333.161889][ T72] __sys_sendmsg+0xcd/0x170 [ 333.161889][ T72] do_syscall_64+0xc6/0x1e0 [ 333.161889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.161889][ T72] [ 333.163684][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 333.163684][ T72] neigh_parms_alloc+0x1e5/0x510 [ 333.163684][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 333.163684][ T72] ipv6_find_idev+0x102/0x170 [ 333.163684][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 333.163684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.163684][ T72] netlink_rcv_skb+0x130/0x360 [ 333.163684][ T72] netlink_unicast+0x449/0x710 [ 333.163684][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.163684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.163684][ T72] ___sys_sendmsg+0xee/0x170 [ 333.163684][ T72] __sys_sendmsg+0xcd/0x170 [ 333.163684][ T72] do_syscall_64+0xc6/0x1e0 [ 333.163684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.163684][ T72] [ 333.165723][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 333.166529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 333.166529][ T72] netdev_get_by_index+0x5e/0x80 [ 333.166529][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.166529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.166529][ T72] addrconf_f6i_alloc+0x265/0x560 [ 333.166529][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 333.166529][ T72] addrconf_join_anycast+0x1c0/0x220 [ 333.166529][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 333.166529][ T72] addrconf_dad_completed+0x12b/0xe20 [ 333.166529][ T72] addrconf_dad_begin+0x310/0x670 [ 333.166529][ T72] addrconf_dad_work+0x10b/0xab0 [ 333.166529][ T72] process_one_work+0x84d/0x18a0 [ 333.166529][ T72] worker_thread+0x587/0xd30 [ 333.166529][ T72] kthread+0x28a/0x350 [ 333.166529][ T72] ret_from_fork+0x31/0x70 [ 333.166529][ T72] ret_from_fork_asm+0x1a/0x30 [ 333.166529][ T72] [ 333.168594][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 333.168594][ T72] netdev_get_by_index+0x5e/0x80 [ 333.168594][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.168594][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.168594][ T72] ip6_route_add+0x1c/0x140 [ 333.168594][ T72] addrconf_prefix_route+0x2a6/0x430 [ 333.168594][ T72] inet6_addr_add+0x4f8/0xa40 [ 333.168594][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.168594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.168594][ T72] netlink_rcv_skb+0x130/0x360 [ 333.168594][ T72] netlink_unicast+0x449/0x710 [ 333.168594][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.168594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.168594][ T72] ___sys_sendmsg+0xee/0x170 [ 333.168594][ T72] __sys_sendmsg+0xcd/0x170 [ 333.168594][ T72] do_syscall_64+0xc6/0x1e0 [ 333.168594][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.168594][ T72] [ 333.171188][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 333.171188][ T72] netdev_get_by_index+0x5e/0x80 [ 333.171188][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.171188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.171188][ T72] addrconf_f6i_alloc+0x315/0x560 [ 333.171188][ T72] ipv6_add_addr+0x411/0x2000 [ 333.171188][ T72] inet6_addr_add+0x30e/0xa40 [ 333.171188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.171188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.171188][ T72] netlink_rcv_skb+0x130/0x360 [ 333.171188][ T72] netlink_unicast+0x449/0x710 [ 333.171188][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.171188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.171188][ T72] ___sys_sendmsg+0xee/0x170 [ 333.171188][ T72] __sys_sendmsg+0xcd/0x170 [ 333.171188][ T72] do_syscall_64+0xc6/0x1e0 [ 333.171188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.171188][ T72] [ 333.173605][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 333.173605][ T72] netdev_get_by_index+0x5e/0x80 [ 333.173605][ T72] fib6_nh_init+0x3d8/0x1580 [ 333.173605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 333.173605][ T72] ip6_route_add+0x1c/0x140 [ 333.173605][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 333.173605][ T72] addrconf_add_dev+0xe2/0x170 [ 333.173605][ T72] inet6_addr_add+0x12f/0xa40 [ 333.173605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 333.173605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.173605][ T72] netlink_rcv_skb+0x130/0x360 [ 333.173605][ T72] netlink_unicast+0x449/0x710 [ 333.173605][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.173605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.173605][ T72] ___sys_sendmsg+0xee/0x170 [ 333.173605][ T72] __sys_sendmsg+0xcd/0x170 [ 333.173605][ T72] do_syscall_64+0xc6/0x1e0 [ 333.173605][ T72] [ 333.176072][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 333.176072][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 333.176072][ T72] ipv6_find_idev+0x102/0x170 [ 333.176072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 333.176072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.176072][ T72] netlink_rcv_skb+0x130/0x360 [ 333.176072][ T72] netlink_unicast+0x449/0x710 [ 333.176072][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.176072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.176072][ T72] ___sys_sendmsg+0xee/0x170 [ 333.176072][ T72] __sys_sendmsg+0xcd/0x170 [ 333.176072][ T72] do_syscall_64+0xc6/0x1e0 [ 333.176072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.176072][ T72] [ 333.177980][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 333.177980][ T72] neigh_parms_alloc+0x1e5/0x510 [ 333.177980][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 333.177980][ T72] ipv6_find_idev+0x102/0x170 [ 333.177980][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 333.177980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 333.177980][ T72] netlink_rcv_skb+0x130/0x360 [ 333.177980][ T72] netlink_unicast+0x449/0x710 [ 333.177980][ T72] netlink_sendmsg+0x723/0xbe0 [ 333.177980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 333.177980][ T72] ___sys_sendmsg+0xee/0x170 [ 333.177980][ T72] __sys_sendmsg+0xcd/0x170 [ 333.177980][ T72] do_syscall_64+0xc6/0x1e0 [ 333.177980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 333.177980][ T72] [ 343.217007][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 343.217578][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 343.217578][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 343.217578][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 343.217578][ T72] fib6_nh_init+0xa22/0x1580 [ 343.217578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.217578][ T72] ip6_route_add+0x1c/0x140 [ 343.217578][ T72] inet6_rtm_newroute+0x104/0x110 [ 343.217578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.217578][ T72] netlink_rcv_skb+0x130/0x360 [ 343.217578][ T72] netlink_unicast+0x449/0x710 [ 343.217578][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.217578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.217578][ T72] ___sys_sendmsg+0xee/0x170 [ 343.217578][ T72] __sys_sendmsg+0xcd/0x170 [ 343.217578][ T72] do_syscall_64+0xc6/0x1e0 [ 343.217578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.217578][ T72] [ 343.219660][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 343.219660][ T72] dst_init+0x84/0x4a0 [ 343.219660][ T72] dst_alloc+0x97/0x150 [ 343.219660][ T72] ip6_dst_alloc+0x23/0x90 [ 343.219660][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 343.219660][ T72] ip6_pol_route+0x56f/0x840 [ 343.219660][ T72] fib6_rule_lookup+0x456/0x630 [ 343.219660][ T72] ip6_route_input+0x59c/0xa50 [ 343.219660][ T72] ipv6_rcv+0x397/0x810 [ 343.219660][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 343.219660][ T72] process_backlog+0x101/0x620 [ 343.219660][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 343.219660][ T72] net_rx_action+0x495/0xbe0 [ 343.219660][ T72] __do_softirq+0x1b5/0x7f6 [ 343.219660][ T72] [ 343.221468][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 343.221468][ T72] netdev_get_by_index+0x5e/0x80 [ 343.221468][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.221468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.221468][ T72] ip6_route_add+0x1c/0x140 [ 343.221468][ T72] addrconf_prefix_route+0x2a6/0x430 [ 343.221468][ T72] inet6_addr_add+0x4f8/0xa40 [ 343.221468][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.221468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.221468][ T72] netlink_rcv_skb+0x130/0x360 [ 343.221468][ T72] netlink_unicast+0x449/0x710 [ 343.221468][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.221468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.221468][ T72] ___sys_sendmsg+0xee/0x170 [ 343.221468][ T72] __sys_sendmsg+0xcd/0x170 [ 343.221468][ T72] do_syscall_64+0xc6/0x1e0 [ 343.221468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.221468][ T72] [ 343.223696][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 343.223696][ T72] netdev_get_by_index+0x5e/0x80 [ 343.223696][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.223696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.223696][ T72] addrconf_f6i_alloc+0x315/0x560 [ 343.223696][ T72] ipv6_add_addr+0x411/0x2000 [ 343.223696][ T72] inet6_addr_add+0x30e/0xa40 [ 343.223696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.223696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.223696][ T72] netlink_rcv_skb+0x130/0x360 [ 343.223696][ T72] netlink_unicast+0x449/0x710 [ 343.223696][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.223696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.223696][ T72] ___sys_sendmsg+0xee/0x170 [ 343.223696][ T72] __sys_sendmsg+0xcd/0x170 [ 343.223696][ T72] do_syscall_64+0xc6/0x1e0 [ 343.223696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.223696][ T72] [ 343.225860][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 343.225860][ T72] netdev_get_by_index+0x5e/0x80 [ 343.225860][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.225860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.225860][ T72] ip6_route_add+0x1c/0x140 [ 343.225860][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 343.225860][ T72] addrconf_add_dev+0xe2/0x170 [ 343.225860][ T72] inet6_addr_add+0x12f/0xa40 [ 343.225860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.225860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.225860][ T72] netlink_rcv_skb+0x130/0x360 [ 343.225860][ T72] netlink_unicast+0x449/0x710 [ 343.225860][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.225860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.225860][ T72] ___sys_sendmsg+0xee/0x170 [ 343.225860][ T72] __sys_sendmsg+0xcd/0x170 [ 343.225860][ T72] do_syscall_64+0xc6/0x1e0 [ 343.225860][ T72] [ 343.228053][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 343.228053][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 343.228053][ T72] ipv6_find_idev+0x102/0x170 [ 343.228053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 343.228053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.228053][ T72] netlink_rcv_skb+0x130/0x360 [ 343.228053][ T72] netlink_unicast+0x449/0x710 [ 343.228053][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.228053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.228053][ T72] ___sys_sendmsg+0xee/0x170 [ 343.228053][ T72] __sys_sendmsg+0xcd/0x170 [ 343.228053][ T72] do_syscall_64+0xc6/0x1e0 [ 343.228053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.228053][ T72] [ 343.229754][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 343.229754][ T72] neigh_parms_alloc+0x1e5/0x510 [ 343.229754][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 343.229754][ T72] ipv6_find_idev+0x102/0x170 [ 343.229754][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 343.229754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.229754][ T72] netlink_rcv_skb+0x130/0x360 [ 343.229754][ T72] netlink_unicast+0x449/0x710 [ 343.229754][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.229754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.229754][ T72] ___sys_sendmsg+0xee/0x170 [ 343.229754][ T72] __sys_sendmsg+0xcd/0x170 [ 343.229754][ T72] do_syscall_64+0xc6/0x1e0 [ 343.229754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.229754][ T72] [ 343.231635][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 343.231945][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 343.231945][ T72] dst_init+0x84/0x4a0 [ 343.231945][ T72] dst_alloc+0x97/0x150 [ 343.231945][ T72] ip6_dst_alloc+0x23/0x90 [ 343.231945][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 343.231945][ T72] ip6_pol_route+0x56f/0x840 [ 343.231945][ T72] fib6_rule_lookup+0x456/0x630 [ 343.231945][ T72] ip6_route_input+0x59c/0xa50 [ 343.231945][ T72] ipv6_rcv+0x397/0x810 [ 343.231945][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 343.231945][ T72] process_backlog+0x101/0x620 [ 343.231945][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 343.231945][ T72] net_rx_action+0x495/0xbe0 [ 343.231945][ T72] __do_softirq+0x1b5/0x7f6 [ 343.231945][ T72] [ 343.233760][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 343.233760][ T72] netdev_get_by_index+0x5e/0x80 [ 343.233760][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.233760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.233760][ T72] addrconf_f6i_alloc+0x265/0x560 [ 343.233760][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 343.233760][ T72] addrconf_join_anycast+0x1c0/0x220 [ 343.233760][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 343.233760][ T72] addrconf_dad_completed+0x12b/0xe20 [ 343.233760][ T72] addrconf_dad_begin+0x310/0x670 [ 343.233760][ T72] addrconf_dad_work+0x10b/0xab0 [ 343.233760][ T72] process_one_work+0x84d/0x18a0 [ 343.233760][ T72] worker_thread+0x587/0xd30 [ 343.233760][ T72] kthread+0x28a/0x350 [ 343.233760][ T72] ret_from_fork+0x31/0x70 [ 343.233760][ T72] ret_from_fork_asm+0x1a/0x30 [ 343.233760][ T72] [ 343.235850][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 343.235850][ T72] netdev_get_by_index+0x5e/0x80 [ 343.235850][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.235850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.235850][ T72] ip6_route_add+0x1c/0x140 [ 343.235850][ T72] addrconf_prefix_route+0x2a6/0x430 [ 343.235850][ T72] inet6_addr_add+0x4f8/0xa40 [ 343.235850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.235850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.235850][ T72] netlink_rcv_skb+0x130/0x360 [ 343.235850][ T72] netlink_unicast+0x449/0x710 [ 343.235850][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.235850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.235850][ T72] ___sys_sendmsg+0xee/0x170 [ 343.235850][ T72] __sys_sendmsg+0xcd/0x170 [ 343.235850][ T72] do_syscall_64+0xc6/0x1e0 [ 343.235850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.235850][ T72] [ 343.238060][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 343.238060][ T72] netdev_get_by_index+0x5e/0x80 [ 343.238060][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.238060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.238060][ T72] addrconf_f6i_alloc+0x315/0x560 [ 343.238060][ T72] ipv6_add_addr+0x411/0x2000 [ 343.238060][ T72] inet6_addr_add+0x30e/0xa40 [ 343.238060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.238060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.238060][ T72] netlink_rcv_skb+0x130/0x360 [ 343.238060][ T72] netlink_unicast+0x449/0x710 [ 343.238060][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.238060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.238060][ T72] ___sys_sendmsg+0xee/0x170 [ 343.238060][ T72] __sys_sendmsg+0xcd/0x170 [ 343.238060][ T72] do_syscall_64+0xc6/0x1e0 [ 343.238060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.238060][ T72] [ 343.240272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 343.240272][ T72] netdev_get_by_index+0x5e/0x80 [ 343.240272][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.240272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.240272][ T72] ip6_route_add+0x1c/0x140 [ 343.240272][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 343.240272][ T72] addrconf_add_dev+0xe2/0x170 [ 343.240272][ T72] inet6_addr_add+0x12f/0xa40 [ 343.240272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.240272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.240272][ T72] netlink_rcv_skb+0x130/0x360 [ 343.240272][ T72] netlink_unicast+0x449/0x710 [ 343.240272][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.240272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.240272][ T72] ___sys_sendmsg+0xee/0x170 [ 343.240272][ T72] __sys_sendmsg+0xcd/0x170 [ 343.240272][ T72] do_syscall_64+0xc6/0x1e0 [ 343.240272][ T72] [ 343.242431][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 343.242431][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 343.242431][ T72] ipv6_find_idev+0x102/0x170 [ 343.242431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 343.242431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.242431][ T72] netlink_rcv_skb+0x130/0x360 [ 343.242431][ T72] netlink_unicast+0x449/0x710 [ 343.242431][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.242431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.242431][ T72] ___sys_sendmsg+0xee/0x170 [ 343.242431][ T72] __sys_sendmsg+0xcd/0x170 [ 343.242431][ T72] do_syscall_64+0xc6/0x1e0 [ 343.242431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.242431][ T72] [ 343.244107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 343.244107][ T72] neigh_parms_alloc+0x1e5/0x510 [ 343.244107][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 343.244107][ T72] ipv6_find_idev+0x102/0x170 [ 343.244107][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 343.244107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.244107][ T72] netlink_rcv_skb+0x130/0x360 [ 343.244107][ T72] netlink_unicast+0x449/0x710 [ 343.244107][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.244107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.244107][ T72] ___sys_sendmsg+0xee/0x170 [ 343.244107][ T72] __sys_sendmsg+0xcd/0x170 [ 343.244107][ T72] do_syscall_64+0xc6/0x1e0 [ 343.244107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.244107][ T72] [ 343.246098][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 343.246385][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 343.246385][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 343.246385][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 343.246385][ T72] fib6_nh_init+0xa22/0x1580 [ 343.246385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.246385][ T72] ip6_route_add+0x1c/0x140 [ 343.246385][ T72] inet6_rtm_newroute+0x104/0x110 [ 343.246385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.246385][ T72] netlink_rcv_skb+0x130/0x360 [ 343.246385][ T72] netlink_unicast+0x449/0x710 [ 343.246385][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.246385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.246385][ T72] ___sys_sendmsg+0xee/0x170 [ 343.246385][ T72] __sys_sendmsg+0xcd/0x170 [ 343.246385][ T72] do_syscall_64+0xc6/0x1e0 [ 343.246385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.246385][ T72] [ 343.248760][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 343.248760][ T72] dst_init+0x84/0x4a0 [ 343.248760][ T72] dst_alloc+0x97/0x150 [ 343.248760][ T72] ip6_dst_alloc+0x23/0x90 [ 343.248760][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 343.248760][ T72] ip6_pol_route+0x56f/0x840 [ 343.248760][ T72] fib6_rule_lookup+0x456/0x630 [ 343.248760][ T72] ip6_route_input+0x59c/0xa50 [ 343.248760][ T72] ipv6_rcv+0x397/0x810 [ 343.248760][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 343.248760][ T72] process_backlog+0x101/0x620 [ 343.248760][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 343.248760][ T72] net_rx_action+0x495/0xbe0 [ 343.248760][ T72] __do_softirq+0x1b5/0x7f6 [ 343.248760][ T72] [ 343.250722][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 343.250722][ T72] netdev_get_by_index+0x5e/0x80 [ 343.250722][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.250722][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.250722][ T72] ip6_route_add+0x1c/0x140 [ 343.250722][ T72] addrconf_prefix_route+0x2a6/0x430 [ 343.250722][ T72] inet6_addr_add+0x4f8/0xa40 [ 343.250722][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.250722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.250722][ T72] netlink_rcv_skb+0x130/0x360 [ 343.250722][ T72] netlink_unicast+0x449/0x710 [ 343.250722][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.250722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.250722][ T72] ___sys_sendmsg+0xee/0x170 [ 343.250722][ T72] __sys_sendmsg+0xcd/0x170 [ 343.250722][ T72] do_syscall_64+0xc6/0x1e0 [ 343.250722][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.250722][ T72] [ 343.252884][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 343.252884][ T72] netdev_get_by_index+0x5e/0x80 [ 343.252884][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.252884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.252884][ T72] addrconf_f6i_alloc+0x315/0x560 [ 343.252884][ T72] ipv6_add_addr+0x411/0x2000 [ 343.252884][ T72] inet6_addr_add+0x30e/0xa40 [ 343.252884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.252884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.252884][ T72] netlink_rcv_skb+0x130/0x360 [ 343.252884][ T72] netlink_unicast+0x449/0x710 [ 343.252884][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.252884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.252884][ T72] ___sys_sendmsg+0xee/0x170 [ 343.252884][ T72] __sys_sendmsg+0xcd/0x170 [ 343.252884][ T72] do_syscall_64+0xc6/0x1e0 [ 343.252884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.252884][ T72] [ 343.255092][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 343.255092][ T72] netdev_get_by_index+0x5e/0x80 [ 343.255092][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.255092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.255092][ T72] ip6_route_add+0x1c/0x140 [ 343.255092][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 343.255092][ T72] addrconf_add_dev+0xe2/0x170 [ 343.255092][ T72] inet6_addr_add+0x12f/0xa40 [ 343.255092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.255092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.255092][ T72] netlink_rcv_skb+0x130/0x360 [ 343.255092][ T72] netlink_unicast+0x449/0x710 [ 343.255092][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.255092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.255092][ T72] ___sys_sendmsg+0xee/0x170 [ 343.255092][ T72] __sys_sendmsg+0xcd/0x170 [ 343.255092][ T72] do_syscall_64+0xc6/0x1e0 [ 343.255092][ T72] [ 343.257433][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 343.257433][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 343.257433][ T72] ipv6_find_idev+0x102/0x170 [ 343.257433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 343.257433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.257433][ T72] netlink_rcv_skb+0x130/0x360 [ 343.257433][ T72] netlink_unicast+0x449/0x710 [ 343.257433][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.257433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.257433][ T72] ___sys_sendmsg+0xee/0x170 [ 343.257433][ T72] __sys_sendmsg+0xcd/0x170 [ 343.257433][ T72] do_syscall_64+0xc6/0x1e0 [ 343.257433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.257433][ T72] [ 343.259147][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 343.259147][ T72] neigh_parms_alloc+0x1e5/0x510 [ 343.259147][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 343.259147][ T72] ipv6_find_idev+0x102/0x170 [ 343.259147][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 343.259147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.259147][ T72] netlink_rcv_skb+0x130/0x360 [ 343.259147][ T72] netlink_unicast+0x449/0x710 [ 343.259147][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.259147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.259147][ T72] ___sys_sendmsg+0xee/0x170 [ 343.259147][ T72] __sys_sendmsg+0xcd/0x170 [ 343.259147][ T72] do_syscall_64+0xc6/0x1e0 [ 343.259147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.259147][ T72] [ 343.261113][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 343.261397][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 343.261397][ T72] netdev_get_by_index+0x5e/0x80 [ 343.261397][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.261397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.261397][ T72] addrconf_f6i_alloc+0x265/0x560 [ 343.261397][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 343.261397][ T72] addrconf_join_anycast+0x1c0/0x220 [ 343.261397][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 343.261397][ T72] addrconf_dad_completed+0x12b/0xe20 [ 343.261397][ T72] addrconf_dad_begin+0x310/0x670 [ 343.261397][ T72] addrconf_dad_work+0x10b/0xab0 [ 343.261397][ T72] process_one_work+0x84d/0x18a0 [ 343.261397][ T72] worker_thread+0x587/0xd30 [ 343.261397][ T72] kthread+0x28a/0x350 [ 343.261397][ T72] ret_from_fork+0x31/0x70 [ 343.261397][ T72] ret_from_fork_asm+0x1a/0x30 [ 343.261397][ T72] [ 343.263546][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 343.263546][ T72] netdev_get_by_index+0x5e/0x80 [ 343.263546][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.263546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.263546][ T72] ip6_route_add+0x1c/0x140 [ 343.263546][ T72] addrconf_prefix_route+0x2a6/0x430 [ 343.263546][ T72] inet6_addr_add+0x4f8/0xa40 [ 343.263546][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.263546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.263546][ T72] netlink_rcv_skb+0x130/0x360 [ 343.263546][ T72] netlink_unicast+0x449/0x710 [ 343.263546][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.263546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.263546][ T72] ___sys_sendmsg+0xee/0x170 [ 343.263546][ T72] __sys_sendmsg+0xcd/0x170 [ 343.263546][ T72] do_syscall_64+0xc6/0x1e0 [ 343.263546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.263546][ T72] [ 343.265789][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 343.265789][ T72] netdev_get_by_index+0x5e/0x80 [ 343.265789][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.265789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.265789][ T72] addrconf_f6i_alloc+0x315/0x560 [ 343.265789][ T72] ipv6_add_addr+0x411/0x2000 [ 343.265789][ T72] inet6_addr_add+0x30e/0xa40 [ 343.265789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.265789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.265789][ T72] netlink_rcv_skb+0x130/0x360 [ 343.265789][ T72] netlink_unicast+0x449/0x710 [ 343.265789][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.265789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.265789][ T72] ___sys_sendmsg+0xee/0x170 [ 343.265789][ T72] __sys_sendmsg+0xcd/0x170 [ 343.265789][ T72] do_syscall_64+0xc6/0x1e0 [ 343.265789][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.265789][ T72] [ 343.268036][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 343.268036][ T72] netdev_get_by_index+0x5e/0x80 [ 343.268036][ T72] fib6_nh_init+0x3d8/0x1580 [ 343.268036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 343.268036][ T72] ip6_route_add+0x1c/0x140 [ 343.268036][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 343.268036][ T72] addrconf_add_dev+0xe2/0x170 [ 343.268036][ T72] inet6_addr_add+0x12f/0xa40 [ 343.268036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 343.268036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.268036][ T72] netlink_rcv_skb+0x130/0x360 [ 343.268036][ T72] netlink_unicast+0x449/0x710 [ 343.268036][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.268036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.268036][ T72] ___sys_sendmsg+0xee/0x170 [ 343.268036][ T72] __sys_sendmsg+0xcd/0x170 [ 343.268036][ T72] do_syscall_64+0xc6/0x1e0 [ 343.268036][ T72] [ 343.270234][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 343.270234][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 343.270234][ T72] ipv6_find_idev+0x102/0x170 [ 343.270234][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 343.270234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.270234][ T72] netlink_rcv_skb+0x130/0x360 [ 343.270234][ T72] netlink_unicast+0x449/0x710 [ 343.270234][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.270234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.270234][ T72] ___sys_sendmsg+0xee/0x170 [ 343.270234][ T72] __sys_sendmsg+0xcd/0x170 [ 343.270234][ T72] do_syscall_64+0xc6/0x1e0 [ 343.270234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.270234][ T72] [ 343.271879][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 343.271879][ T72] neigh_parms_alloc+0x1e5/0x510 [ 343.271879][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 343.271879][ T72] ipv6_find_idev+0x102/0x170 [ 343.271879][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 343.271879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 343.271879][ T72] netlink_rcv_skb+0x130/0x360 [ 343.271879][ T72] netlink_unicast+0x449/0x710 [ 343.271879][ T72] netlink_sendmsg+0x723/0xbe0 [ 343.271879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 343.271879][ T72] ___sys_sendmsg+0xee/0x170 [ 343.271879][ T72] __sys_sendmsg+0xcd/0x170 [ 343.271879][ T72] do_syscall_64+0xc6/0x1e0 [ 343.271879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 343.271879][ T72] [ 353.376908][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 353.377410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 353.377410][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 353.377410][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 353.377410][ T72] fib6_nh_init+0xa22/0x1580 [ 353.377410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.377410][ T72] ip6_route_add+0x1c/0x140 [ 353.377410][ T72] inet6_rtm_newroute+0x104/0x110 [ 353.377410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.377410][ T72] netlink_rcv_skb+0x130/0x360 [ 353.377410][ T72] netlink_unicast+0x449/0x710 [ 353.377410][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.377410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.377410][ T72] ___sys_sendmsg+0xee/0x170 [ 353.377410][ T72] __sys_sendmsg+0xcd/0x170 [ 353.377410][ T72] do_syscall_64+0xc6/0x1e0 [ 353.377410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.377410][ T72] [ 353.379316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 353.379316][ T72] dst_init+0x84/0x4a0 [ 353.379316][ T72] dst_alloc+0x97/0x150 [ 353.379316][ T72] ip6_dst_alloc+0x23/0x90 [ 353.379316][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 353.379316][ T72] ip6_pol_route+0x56f/0x840 [ 353.379316][ T72] fib6_rule_lookup+0x456/0x630 [ 353.379316][ T72] ip6_route_input+0x59c/0xa50 [ 353.379316][ T72] ipv6_rcv+0x397/0x810 [ 353.379316][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 353.379316][ T72] process_backlog+0x101/0x620 [ 353.379316][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 353.379316][ T72] net_rx_action+0x495/0xbe0 [ 353.379316][ T72] __do_softirq+0x1b5/0x7f6 [ 353.379316][ T72] [ 353.380956][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 353.380956][ T72] netdev_get_by_index+0x5e/0x80 [ 353.380956][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.380956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.380956][ T72] ip6_route_add+0x1c/0x140 [ 353.380956][ T72] addrconf_prefix_route+0x2a6/0x430 [ 353.380956][ T72] inet6_addr_add+0x4f8/0xa40 [ 353.380956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.380956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.380956][ T72] netlink_rcv_skb+0x130/0x360 [ 353.380956][ T72] netlink_unicast+0x449/0x710 [ 353.380956][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.380956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.380956][ T72] ___sys_sendmsg+0xee/0x170 [ 353.380956][ T72] __sys_sendmsg+0xcd/0x170 [ 353.380956][ T72] do_syscall_64+0xc6/0x1e0 [ 353.380956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.380956][ T72] [ 353.382973][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 353.382973][ T72] netdev_get_by_index+0x5e/0x80 [ 353.382973][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.382973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.382973][ T72] addrconf_f6i_alloc+0x315/0x560 [ 353.382973][ T72] ipv6_add_addr+0x411/0x2000 [ 353.382973][ T72] inet6_addr_add+0x30e/0xa40 [ 353.382973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.382973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.382973][ T72] netlink_rcv_skb+0x130/0x360 [ 353.382973][ T72] netlink_unicast+0x449/0x710 [ 353.382973][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.382973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.382973][ T72] ___sys_sendmsg+0xee/0x170 [ 353.382973][ T72] __sys_sendmsg+0xcd/0x170 [ 353.382973][ T72] do_syscall_64+0xc6/0x1e0 [ 353.382973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.382973][ T72] [ 353.385057][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 353.385057][ T72] netdev_get_by_index+0x5e/0x80 [ 353.385057][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.385057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.385057][ T72] ip6_route_add+0x1c/0x140 [ 353.385057][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 353.385057][ T72] addrconf_add_dev+0xe2/0x170 [ 353.385057][ T72] inet6_addr_add+0x12f/0xa40 [ 353.385057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.385057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.385057][ T72] netlink_rcv_skb+0x130/0x360 [ 353.385057][ T72] netlink_unicast+0x449/0x710 [ 353.385057][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.385057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.385057][ T72] ___sys_sendmsg+0xee/0x170 [ 353.385057][ T72] __sys_sendmsg+0xcd/0x170 [ 353.385057][ T72] do_syscall_64+0xc6/0x1e0 [ 353.385057][ T72] [ 353.387023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 353.387023][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 353.387023][ T72] ipv6_find_idev+0x102/0x170 [ 353.387023][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 353.387023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.387023][ T72] netlink_rcv_skb+0x130/0x360 [ 353.387023][ T72] netlink_unicast+0x449/0x710 [ 353.387023][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.387023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.387023][ T72] ___sys_sendmsg+0xee/0x170 [ 353.387023][ T72] __sys_sendmsg+0xcd/0x170 [ 353.387023][ T72] do_syscall_64+0xc6/0x1e0 [ 353.387023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.387023][ T72] [ 353.388559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 353.388559][ T72] neigh_parms_alloc+0x1e5/0x510 [ 353.388559][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 353.388559][ T72] ipv6_find_idev+0x102/0x170 [ 353.388559][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 353.388559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.388559][ T72] netlink_rcv_skb+0x130/0x360 [ 353.388559][ T72] netlink_unicast+0x449/0x710 [ 353.388559][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.388559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.388559][ T72] ___sys_sendmsg+0xee/0x170 [ 353.388559][ T72] __sys_sendmsg+0xcd/0x170 [ 353.388559][ T72] do_syscall_64+0xc6/0x1e0 [ 353.388559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.388559][ T72] [ 353.390285][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 353.390567][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 353.390567][ T72] dst_init+0x84/0x4a0 [ 353.390567][ T72] dst_alloc+0x97/0x150 [ 353.390567][ T72] ip6_dst_alloc+0x23/0x90 [ 353.390567][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 353.390567][ T72] ip6_pol_route+0x56f/0x840 [ 353.390567][ T72] fib6_rule_lookup+0x456/0x630 [ 353.390567][ T72] ip6_route_input+0x59c/0xa50 [ 353.390567][ T72] ipv6_rcv+0x397/0x810 [ 353.390567][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 353.390567][ T72] process_backlog+0x101/0x620 [ 353.390567][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 353.390567][ T72] net_rx_action+0x495/0xbe0 [ 353.390567][ T72] __do_softirq+0x1b5/0x7f6 [ 353.390567][ T72] [ 353.392212][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 353.392212][ T72] netdev_get_by_index+0x5e/0x80 [ 353.392212][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.392212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.392212][ T72] addrconf_f6i_alloc+0x265/0x560 [ 353.392212][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 353.392212][ T72] addrconf_join_anycast+0x1c0/0x220 [ 353.392212][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 353.392212][ T72] addrconf_dad_completed+0x12b/0xe20 [ 353.392212][ T72] addrconf_dad_begin+0x310/0x670 [ 353.392212][ T72] addrconf_dad_work+0x10b/0xab0 [ 353.392212][ T72] process_one_work+0x84d/0x18a0 [ 353.392212][ T72] worker_thread+0x587/0xd30 [ 353.392212][ T72] kthread+0x28a/0x350 [ 353.392212][ T72] ret_from_fork+0x31/0x70 [ 353.392212][ T72] ret_from_fork_asm+0x1a/0x30 [ 353.392212][ T72] [ 353.394115][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 353.394115][ T72] netdev_get_by_index+0x5e/0x80 [ 353.394115][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.394115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.394115][ T72] ip6_route_add+0x1c/0x140 [ 353.394115][ T72] addrconf_prefix_route+0x2a6/0x430 [ 353.394115][ T72] inet6_addr_add+0x4f8/0xa40 [ 353.394115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.394115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.394115][ T72] netlink_rcv_skb+0x130/0x360 [ 353.394115][ T72] netlink_unicast+0x449/0x710 [ 353.394115][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.394115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.394115][ T72] ___sys_sendmsg+0xee/0x170 [ 353.394115][ T72] __sys_sendmsg+0xcd/0x170 [ 353.394115][ T72] do_syscall_64+0xc6/0x1e0 [ 353.394115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.394115][ T72] [ 353.396124][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 353.396124][ T72] netdev_get_by_index+0x5e/0x80 [ 353.396124][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.396124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.396124][ T72] addrconf_f6i_alloc+0x315/0x560 [ 353.396124][ T72] ipv6_add_addr+0x411/0x2000 [ 353.396124][ T72] inet6_addr_add+0x30e/0xa40 [ 353.396124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.396124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.396124][ T72] netlink_rcv_skb+0x130/0x360 [ 353.396124][ T72] netlink_unicast+0x449/0x710 [ 353.396124][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.396124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.396124][ T72] ___sys_sendmsg+0xee/0x170 [ 353.396124][ T72] __sys_sendmsg+0xcd/0x170 [ 353.396124][ T72] do_syscall_64+0xc6/0x1e0 [ 353.396124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.396124][ T72] [ 353.398195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 353.398195][ T72] netdev_get_by_index+0x5e/0x80 [ 353.398195][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.398195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.398195][ T72] ip6_route_add+0x1c/0x140 [ 353.398195][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 353.398195][ T72] addrconf_add_dev+0xe2/0x170 [ 353.398195][ T72] inet6_addr_add+0x12f/0xa40 [ 353.398195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.398195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.398195][ T72] netlink_rcv_skb+0x130/0x360 [ 353.398195][ T72] netlink_unicast+0x449/0x710 [ 353.398195][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.398195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.398195][ T72] ___sys_sendmsg+0xee/0x170 [ 353.398195][ T72] __sys_sendmsg+0xcd/0x170 [ 353.398195][ T72] do_syscall_64+0xc6/0x1e0 [ 353.398195][ T72] [ 353.400581][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 353.400581][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 353.400581][ T72] ipv6_find_idev+0x102/0x170 [ 353.400581][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 353.400581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.400581][ T72] netlink_rcv_skb+0x130/0x360 [ 353.400581][ T72] netlink_unicast+0x449/0x710 [ 353.400581][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.400581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.400581][ T72] ___sys_sendmsg+0xee/0x170 [ 353.400581][ T72] __sys_sendmsg+0xcd/0x170 [ 353.400581][ T72] do_syscall_64+0xc6/0x1e0 [ 353.400581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.400581][ T72] [ 353.402458][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 353.402458][ T72] neigh_parms_alloc+0x1e5/0x510 [ 353.402458][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 353.402458][ T72] ipv6_find_idev+0x102/0x170 [ 353.402458][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 353.402458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.402458][ T72] netlink_rcv_skb+0x130/0x360 [ 353.402458][ T72] netlink_unicast+0x449/0x710 [ 353.402458][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.402458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.402458][ T72] ___sys_sendmsg+0xee/0x170 [ 353.402458][ T72] __sys_sendmsg+0xcd/0x170 [ 353.402458][ T72] do_syscall_64+0xc6/0x1e0 [ 353.402458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.402458][ T72] [ 353.405542][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 353.405904][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 353.405904][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 353.405904][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 353.405904][ T72] fib6_nh_init+0xa22/0x1580 [ 353.405904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.405904][ T72] ip6_route_add+0x1c/0x140 [ 353.405904][ T72] inet6_rtm_newroute+0x104/0x110 [ 353.405904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.405904][ T72] netlink_rcv_skb+0x130/0x360 [ 353.405904][ T72] netlink_unicast+0x449/0x710 [ 353.405904][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.405904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.405904][ T72] ___sys_sendmsg+0xee/0x170 [ 353.405904][ T72] __sys_sendmsg+0xcd/0x170 [ 353.405904][ T72] do_syscall_64+0xc6/0x1e0 [ 353.405904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.405904][ T72] [ 353.408583][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 353.408583][ T72] dst_init+0x84/0x4a0 [ 353.408583][ T72] dst_alloc+0x97/0x150 [ 353.408583][ T72] ip6_dst_alloc+0x23/0x90 [ 353.408583][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 353.408583][ T72] ip6_pol_route+0x56f/0x840 [ 353.408583][ T72] fib6_rule_lookup+0x456/0x630 [ 353.408583][ T72] ip6_route_input+0x59c/0xa50 [ 353.408583][ T72] ipv6_rcv+0x397/0x810 [ 353.408583][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 353.408583][ T72] process_backlog+0x101/0x620 [ 353.408583][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 353.408583][ T72] net_rx_action+0x495/0xbe0 [ 353.408583][ T72] __do_softirq+0x1b5/0x7f6 [ 353.408583][ T72] [ 353.410448][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 353.410448][ T72] netdev_get_by_index+0x5e/0x80 [ 353.410448][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.410448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.410448][ T72] ip6_route_add+0x1c/0x140 [ 353.410448][ T72] addrconf_prefix_route+0x2a6/0x430 [ 353.410448][ T72] inet6_addr_add+0x4f8/0xa40 [ 353.410448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.410448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.410448][ T72] netlink_rcv_skb+0x130/0x360 [ 353.410448][ T72] netlink_unicast+0x449/0x710 [ 353.410448][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.410448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.410448][ T72] ___sys_sendmsg+0xee/0x170 [ 353.410448][ T72] __sys_sendmsg+0xcd/0x170 [ 353.410448][ T72] do_syscall_64+0xc6/0x1e0 [ 353.410448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.410448][ T72] [ 353.412664][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 353.412664][ T72] netdev_get_by_index+0x5e/0x80 [ 353.412664][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.412664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.412664][ T72] addrconf_f6i_alloc+0x315/0x560 [ 353.412664][ T72] ipv6_add_addr+0x411/0x2000 [ 353.412664][ T72] inet6_addr_add+0x30e/0xa40 [ 353.412664][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.412664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.412664][ T72] netlink_rcv_skb+0x130/0x360 [ 353.412664][ T72] netlink_unicast+0x449/0x710 [ 353.412664][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.412664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.412664][ T72] ___sys_sendmsg+0xee/0x170 [ 353.412664][ T72] __sys_sendmsg+0xcd/0x170 [ 353.412664][ T72] do_syscall_64+0xc6/0x1e0 [ 353.412664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.412664][ T72] [ 353.414851][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 353.414851][ T72] netdev_get_by_index+0x5e/0x80 [ 353.414851][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.414851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.414851][ T72] ip6_route_add+0x1c/0x140 [ 353.414851][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 353.414851][ T72] addrconf_add_dev+0xe2/0x170 [ 353.414851][ T72] inet6_addr_add+0x12f/0xa40 [ 353.414851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.414851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.414851][ T72] netlink_rcv_skb+0x130/0x360 [ 353.414851][ T72] netlink_unicast+0x449/0x710 [ 353.414851][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.414851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.414851][ T72] ___sys_sendmsg+0xee/0x170 [ 353.414851][ T72] __sys_sendmsg+0xcd/0x170 [ 353.414851][ T72] do_syscall_64+0xc6/0x1e0 [ 353.414851][ T72] [ 353.417058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 353.417058][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 353.417058][ T72] ipv6_find_idev+0x102/0x170 [ 353.417058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 353.417058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.417058][ T72] netlink_rcv_skb+0x130/0x360 [ 353.417058][ T72] netlink_unicast+0x449/0x710 [ 353.417058][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.417058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.417058][ T72] ___sys_sendmsg+0xee/0x170 [ 353.417058][ T72] __sys_sendmsg+0xcd/0x170 [ 353.417058][ T72] do_syscall_64+0xc6/0x1e0 [ 353.417058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.417058][ T72] [ 353.418729][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 353.418729][ T72] neigh_parms_alloc+0x1e5/0x510 [ 353.418729][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 353.418729][ T72] ipv6_find_idev+0x102/0x170 [ 353.418729][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 353.418729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.418729][ T72] netlink_rcv_skb+0x130/0x360 [ 353.418729][ T72] netlink_unicast+0x449/0x710 [ 353.418729][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.418729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.418729][ T72] ___sys_sendmsg+0xee/0x170 [ 353.418729][ T72] __sys_sendmsg+0xcd/0x170 [ 353.418729][ T72] do_syscall_64+0xc6/0x1e0 [ 353.418729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.418729][ T72] [ 353.420680][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 353.421999][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 353.421999][ T72] netdev_get_by_index+0x5e/0x80 [ 353.421999][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.421999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.421999][ T72] addrconf_f6i_alloc+0x265/0x560 [ 353.421999][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 353.421999][ T72] addrconf_join_anycast+0x1c0/0x220 [ 353.421999][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 353.421999][ T72] addrconf_dad_completed+0x12b/0xe20 [ 353.421999][ T72] addrconf_dad_begin+0x310/0x670 [ 353.421999][ T72] addrconf_dad_work+0x10b/0xab0 [ 353.421999][ T72] process_one_work+0x84d/0x18a0 [ 353.421999][ T72] worker_thread+0x587/0xd30 [ 353.421999][ T72] kthread+0x28a/0x350 [ 353.421999][ T72] ret_from_fork+0x31/0x70 [ 353.421999][ T72] ret_from_fork_asm+0x1a/0x30 [ 353.421999][ T72] [ 353.423897][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 353.423897][ T72] netdev_get_by_index+0x5e/0x80 [ 353.423897][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.423897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.423897][ T72] ip6_route_add+0x1c/0x140 [ 353.423897][ T72] addrconf_prefix_route+0x2a6/0x430 [ 353.423897][ T72] inet6_addr_add+0x4f8/0xa40 [ 353.423897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.423897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.423897][ T72] netlink_rcv_skb+0x130/0x360 [ 353.423897][ T72] netlink_unicast+0x449/0x710 [ 353.423897][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.423897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.423897][ T72] ___sys_sendmsg+0xee/0x170 [ 353.423897][ T72] __sys_sendmsg+0xcd/0x170 [ 353.423897][ T72] do_syscall_64+0xc6/0x1e0 [ 353.423897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.423897][ T72] [ 353.426001][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 353.426001][ T72] netdev_get_by_index+0x5e/0x80 [ 353.426001][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.426001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.426001][ T72] addrconf_f6i_alloc+0x315/0x560 [ 353.426001][ T72] ipv6_add_addr+0x411/0x2000 [ 353.426001][ T72] inet6_addr_add+0x30e/0xa40 [ 353.426001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.426001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.426001][ T72] netlink_rcv_skb+0x130/0x360 [ 353.426001][ T72] netlink_unicast+0x449/0x710 [ 353.426001][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.426001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.426001][ T72] ___sys_sendmsg+0xee/0x170 [ 353.426001][ T72] __sys_sendmsg+0xcd/0x170 [ 353.426001][ T72] do_syscall_64+0xc6/0x1e0 [ 353.426001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.426001][ T72] [ 353.428245][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 353.428245][ T72] netdev_get_by_index+0x5e/0x80 [ 353.428245][ T72] fib6_nh_init+0x3d8/0x1580 [ 353.428245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 353.428245][ T72] ip6_route_add+0x1c/0x140 [ 353.428245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 353.428245][ T72] addrconf_add_dev+0xe2/0x170 [ 353.428245][ T72] inet6_addr_add+0x12f/0xa40 [ 353.428245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 353.428245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.428245][ T72] netlink_rcv_skb+0x130/0x360 [ 353.428245][ T72] netlink_unicast+0x449/0x710 [ 353.428245][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.428245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.428245][ T72] ___sys_sendmsg+0xee/0x170 [ 353.428245][ T72] __sys_sendmsg+0xcd/0x170 [ 353.428245][ T72] do_syscall_64+0xc6/0x1e0 [ 353.428245][ T72] [ 353.430370][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 353.430370][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 353.430370][ T72] ipv6_find_idev+0x102/0x170 [ 353.430370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 353.430370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.430370][ T72] netlink_rcv_skb+0x130/0x360 [ 353.430370][ T72] netlink_unicast+0x449/0x710 [ 353.430370][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.430370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.430370][ T72] ___sys_sendmsg+0xee/0x170 [ 353.430370][ T72] __sys_sendmsg+0xcd/0x170 [ 353.430370][ T72] do_syscall_64+0xc6/0x1e0 [ 353.430370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.430370][ T72] [ 353.432097][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 353.432097][ T72] neigh_parms_alloc+0x1e5/0x510 [ 353.432097][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 353.432097][ T72] ipv6_find_idev+0x102/0x170 [ 353.432097][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 353.432097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 353.432097][ T72] netlink_rcv_skb+0x130/0x360 [ 353.432097][ T72] netlink_unicast+0x449/0x710 [ 353.432097][ T72] netlink_sendmsg+0x723/0xbe0 [ 353.432097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 353.432097][ T72] ___sys_sendmsg+0xee/0x170 [ 353.432097][ T72] __sys_sendmsg+0xcd/0x170 [ 353.432097][ T72] do_syscall_64+0xc6/0x1e0 [ 353.432097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 353.432097][ T72] [ 363.520989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 363.521519][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 363.521519][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 363.521519][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 363.521519][ T72] fib6_nh_init+0xa22/0x1580 [ 363.521519][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.521519][ T72] ip6_route_add+0x1c/0x140 [ 363.521519][ T72] inet6_rtm_newroute+0x104/0x110 [ 363.521519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.521519][ T72] netlink_rcv_skb+0x130/0x360 [ 363.521519][ T72] netlink_unicast+0x449/0x710 [ 363.521519][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.521519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.521519][ T72] ___sys_sendmsg+0xee/0x170 [ 363.521519][ T72] __sys_sendmsg+0xcd/0x170 [ 363.521519][ T72] do_syscall_64+0xc6/0x1e0 [ 363.521519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.521519][ T72] [ 363.523409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 363.523409][ T72] dst_init+0x84/0x4a0 [ 363.523409][ T72] dst_alloc+0x97/0x150 [ 363.523409][ T72] ip6_dst_alloc+0x23/0x90 [ 363.523409][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 363.523409][ T72] ip6_pol_route+0x56f/0x840 [ 363.523409][ T72] fib6_rule_lookup+0x456/0x630 [ 363.523409][ T72] ip6_route_input+0x59c/0xa50 [ 363.523409][ T72] ipv6_rcv+0x397/0x810 [ 363.523409][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 363.523409][ T72] process_backlog+0x101/0x620 [ 363.523409][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 363.523409][ T72] net_rx_action+0x495/0xbe0 [ 363.523409][ T72] __do_softirq+0x1b5/0x7f6 [ 363.523409][ T72] [ 363.525039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 363.525039][ T72] netdev_get_by_index+0x5e/0x80 [ 363.525039][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.525039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.525039][ T72] ip6_route_add+0x1c/0x140 [ 363.525039][ T72] addrconf_prefix_route+0x2a6/0x430 [ 363.525039][ T72] inet6_addr_add+0x4f8/0xa40 [ 363.525039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.525039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.525039][ T72] netlink_rcv_skb+0x130/0x360 [ 363.525039][ T72] netlink_unicast+0x449/0x710 [ 363.525039][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.525039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.525039][ T72] ___sys_sendmsg+0xee/0x170 [ 363.525039][ T72] __sys_sendmsg+0xcd/0x170 [ 363.525039][ T72] do_syscall_64+0xc6/0x1e0 [ 363.525039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.525039][ T72] [ 363.527061][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 363.527061][ T72] netdev_get_by_index+0x5e/0x80 [ 363.527061][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.527061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.527061][ T72] addrconf_f6i_alloc+0x315/0x560 [ 363.527061][ T72] ipv6_add_addr+0x411/0x2000 [ 363.527061][ T72] inet6_addr_add+0x30e/0xa40 [ 363.527061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.527061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.527061][ T72] netlink_rcv_skb+0x130/0x360 [ 363.527061][ T72] netlink_unicast+0x449/0x710 [ 363.527061][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.527061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.527061][ T72] ___sys_sendmsg+0xee/0x170 [ 363.527061][ T72] __sys_sendmsg+0xcd/0x170 [ 363.527061][ T72] do_syscall_64+0xc6/0x1e0 [ 363.527061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.527061][ T72] [ 363.529050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 363.529050][ T72] netdev_get_by_index+0x5e/0x80 [ 363.529050][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.529050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.529050][ T72] ip6_route_add+0x1c/0x140 [ 363.529050][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 363.529050][ T72] addrconf_add_dev+0xe2/0x170 [ 363.529050][ T72] inet6_addr_add+0x12f/0xa40 [ 363.529050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.529050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.529050][ T72] netlink_rcv_skb+0x130/0x360 [ 363.529050][ T72] netlink_unicast+0x449/0x710 [ 363.529050][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.529050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.529050][ T72] ___sys_sendmsg+0xee/0x170 [ 363.529050][ T72] __sys_sendmsg+0xcd/0x170 [ 363.529050][ T72] do_syscall_64+0xc6/0x1e0 [ 363.529050][ T72] [ 363.531007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 363.531007][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 363.531007][ T72] ipv6_find_idev+0x102/0x170 [ 363.531007][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 363.531007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.531007][ T72] netlink_rcv_skb+0x130/0x360 [ 363.531007][ T72] netlink_unicast+0x449/0x710 [ 363.531007][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.531007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.531007][ T72] ___sys_sendmsg+0xee/0x170 [ 363.531007][ T72] __sys_sendmsg+0xcd/0x170 [ 363.531007][ T72] do_syscall_64+0xc6/0x1e0 [ 363.531007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.531007][ T72] [ 363.532960][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 363.532960][ T72] neigh_parms_alloc+0x1e5/0x510 [ 363.532960][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 363.532960][ T72] ipv6_find_idev+0x102/0x170 [ 363.532960][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 363.532960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.532960][ T72] netlink_rcv_skb+0x130/0x360 [ 363.532960][ T72] netlink_unicast+0x449/0x710 [ 363.532960][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.532960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.532960][ T72] ___sys_sendmsg+0xee/0x170 [ 363.532960][ T72] __sys_sendmsg+0xcd/0x170 [ 363.532960][ T72] do_syscall_64+0xc6/0x1e0 [ 363.532960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.532960][ T72] [ 363.534704][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 363.535006][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 363.535006][ T72] dst_init+0x84/0x4a0 [ 363.535006][ T72] dst_alloc+0x97/0x150 [ 363.535006][ T72] ip6_dst_alloc+0x23/0x90 [ 363.535006][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 363.535006][ T72] ip6_pol_route+0x56f/0x840 [ 363.535006][ T72] fib6_rule_lookup+0x456/0x630 [ 363.535006][ T72] ip6_route_input+0x59c/0xa50 [ 363.535006][ T72] ipv6_rcv+0x397/0x810 [ 363.535006][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 363.535006][ T72] process_backlog+0x101/0x620 [ 363.535006][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 363.535006][ T72] net_rx_action+0x495/0xbe0 [ 363.535006][ T72] __do_softirq+0x1b5/0x7f6 [ 363.535006][ T72] [ 363.536651][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 363.536651][ T72] netdev_get_by_index+0x5e/0x80 [ 363.536651][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.536651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.536651][ T72] addrconf_f6i_alloc+0x265/0x560 [ 363.536651][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 363.536651][ T72] addrconf_join_anycast+0x1c0/0x220 [ 363.536651][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 363.536651][ T72] addrconf_dad_completed+0x12b/0xe20 [ 363.536651][ T72] addrconf_dad_begin+0x310/0x670 [ 363.536651][ T72] addrconf_dad_work+0x10b/0xab0 [ 363.536651][ T72] process_one_work+0x84d/0x18a0 [ 363.536651][ T72] worker_thread+0x587/0xd30 [ 363.536651][ T72] kthread+0x28a/0x350 [ 363.536651][ T72] ret_from_fork+0x31/0x70 [ 363.536651][ T72] ret_from_fork_asm+0x1a/0x30 [ 363.536651][ T72] [ 363.538557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 363.538557][ T72] netdev_get_by_index+0x5e/0x80 [ 363.538557][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.538557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.538557][ T72] ip6_route_add+0x1c/0x140 [ 363.538557][ T72] addrconf_prefix_route+0x2a6/0x430 [ 363.538557][ T72] inet6_addr_add+0x4f8/0xa40 [ 363.538557][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.538557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.538557][ T72] netlink_rcv_skb+0x130/0x360 [ 363.538557][ T72] netlink_unicast+0x449/0x710 [ 363.538557][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.538557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.538557][ T72] ___sys_sendmsg+0xee/0x170 [ 363.538557][ T72] __sys_sendmsg+0xcd/0x170 [ 363.538557][ T72] do_syscall_64+0xc6/0x1e0 [ 363.538557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.538557][ T72] [ 363.540565][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 363.540565][ T72] netdev_get_by_index+0x5e/0x80 [ 363.540565][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.540565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.540565][ T72] addrconf_f6i_alloc+0x315/0x560 [ 363.540565][ T72] ipv6_add_addr+0x411/0x2000 [ 363.540565][ T72] inet6_addr_add+0x30e/0xa40 [ 363.540565][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.540565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.540565][ T72] netlink_rcv_skb+0x130/0x360 [ 363.540565][ T72] netlink_unicast+0x449/0x710 [ 363.540565][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.540565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.540565][ T72] ___sys_sendmsg+0xee/0x170 [ 363.540565][ T72] __sys_sendmsg+0xcd/0x170 [ 363.540565][ T72] do_syscall_64+0xc6/0x1e0 [ 363.540565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.540565][ T72] [ 363.542554][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 363.542554][ T72] netdev_get_by_index+0x5e/0x80 [ 363.542554][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.542554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.542554][ T72] ip6_route_add+0x1c/0x140 [ 363.542554][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 363.542554][ T72] addrconf_add_dev+0xe2/0x170 [ 363.542554][ T72] inet6_addr_add+0x12f/0xa40 [ 363.542554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.542554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.542554][ T72] netlink_rcv_skb+0x130/0x360 [ 363.542554][ T72] netlink_unicast+0x449/0x710 [ 363.542554][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.542554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.542554][ T72] ___sys_sendmsg+0xee/0x170 [ 363.542554][ T72] __sys_sendmsg+0xcd/0x170 [ 363.542554][ T72] do_syscall_64+0xc6/0x1e0 [ 363.542554][ T72] [ 363.544505][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 363.544505][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 363.544505][ T72] ipv6_find_idev+0x102/0x170 [ 363.544505][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 363.544505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.544505][ T72] netlink_rcv_skb+0x130/0x360 [ 363.544505][ T72] netlink_unicast+0x449/0x710 [ 363.544505][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.544505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.544505][ T72] ___sys_sendmsg+0xee/0x170 [ 363.544505][ T72] __sys_sendmsg+0xcd/0x170 [ 363.544505][ T72] do_syscall_64+0xc6/0x1e0 [ 363.544505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.544505][ T72] [ 363.546045][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 363.546045][ T72] neigh_parms_alloc+0x1e5/0x510 [ 363.546045][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 363.546045][ T72] ipv6_find_idev+0x102/0x170 [ 363.546045][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 363.546045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.546045][ T72] netlink_rcv_skb+0x130/0x360 [ 363.546045][ T72] netlink_unicast+0x449/0x710 [ 363.546045][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.546045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.546045][ T72] ___sys_sendmsg+0xee/0x170 [ 363.546045][ T72] __sys_sendmsg+0xcd/0x170 [ 363.546045][ T72] do_syscall_64+0xc6/0x1e0 [ 363.546045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.546045][ T72] [ 363.547849][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 363.548148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 363.548148][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 363.548148][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 363.548148][ T72] fib6_nh_init+0xa22/0x1580 [ 363.548148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.548148][ T72] ip6_route_add+0x1c/0x140 [ 363.548148][ T72] inet6_rtm_newroute+0x104/0x110 [ 363.548148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.548148][ T72] netlink_rcv_skb+0x130/0x360 [ 363.548148][ T72] netlink_unicast+0x449/0x710 [ 363.548148][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.548148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.548148][ T72] ___sys_sendmsg+0xee/0x170 [ 363.548148][ T72] __sys_sendmsg+0xcd/0x170 [ 363.548148][ T72] do_syscall_64+0xc6/0x1e0 [ 363.548148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.548148][ T72] [ 363.550323][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 363.550323][ T72] dst_init+0x84/0x4a0 [ 363.550323][ T72] dst_alloc+0x97/0x150 [ 363.550323][ T72] ip6_dst_alloc+0x23/0x90 [ 363.550323][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 363.550323][ T72] ip6_pol_route+0x56f/0x840 [ 363.550323][ T72] fib6_rule_lookup+0x456/0x630 [ 363.550323][ T72] ip6_route_input+0x59c/0xa50 [ 363.550323][ T72] ipv6_rcv+0x397/0x810 [ 363.550323][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 363.550323][ T72] process_backlog+0x101/0x620 [ 363.550323][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 363.550323][ T72] net_rx_action+0x495/0xbe0 [ 363.550323][ T72] __do_softirq+0x1b5/0x7f6 [ 363.550323][ T72] [ 363.552070][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 363.552070][ T72] netdev_get_by_index+0x5e/0x80 [ 363.552070][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.552070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.552070][ T72] ip6_route_add+0x1c/0x140 [ 363.552070][ T72] addrconf_prefix_route+0x2a6/0x430 [ 363.552070][ T72] inet6_addr_add+0x4f8/0xa40 [ 363.552070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.552070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.552070][ T72] netlink_rcv_skb+0x130/0x360 [ 363.552070][ T72] netlink_unicast+0x449/0x710 [ 363.552070][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.552070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.552070][ T72] ___sys_sendmsg+0xee/0x170 [ 363.552070][ T72] __sys_sendmsg+0xcd/0x170 [ 363.552070][ T72] do_syscall_64+0xc6/0x1e0 [ 363.552070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.552070][ T72] [ 363.554250][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 363.554250][ T72] netdev_get_by_index+0x5e/0x80 [ 363.554250][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.554250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.554250][ T72] addrconf_f6i_alloc+0x315/0x560 [ 363.554250][ T72] ipv6_add_addr+0x411/0x2000 [ 363.554250][ T72] inet6_addr_add+0x30e/0xa40 [ 363.554250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.554250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.554250][ T72] netlink_rcv_skb+0x130/0x360 [ 363.554250][ T72] netlink_unicast+0x449/0x710 [ 363.554250][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.554250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.554250][ T72] ___sys_sendmsg+0xee/0x170 [ 363.554250][ T72] __sys_sendmsg+0xcd/0x170 [ 363.554250][ T72] do_syscall_64+0xc6/0x1e0 [ 363.554250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.554250][ T72] [ 363.556492][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 363.556492][ T72] netdev_get_by_index+0x5e/0x80 [ 363.556492][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.556492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.556492][ T72] ip6_route_add+0x1c/0x140 [ 363.556492][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 363.556492][ T72] addrconf_add_dev+0xe2/0x170 [ 363.556492][ T72] inet6_addr_add+0x12f/0xa40 [ 363.556492][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.556492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.556492][ T72] netlink_rcv_skb+0x130/0x360 [ 363.556492][ T72] netlink_unicast+0x449/0x710 [ 363.556492][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.556492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.556492][ T72] ___sys_sendmsg+0xee/0x170 [ 363.556492][ T72] __sys_sendmsg+0xcd/0x170 [ 363.556492][ T72] do_syscall_64+0xc6/0x1e0 [ 363.556492][ T72] [ 363.558770][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 363.558770][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 363.558770][ T72] ipv6_find_idev+0x102/0x170 [ 363.558770][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 363.558770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.558770][ T72] netlink_rcv_skb+0x130/0x360 [ 363.558770][ T72] netlink_unicast+0x449/0x710 [ 363.558770][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.558770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.558770][ T72] ___sys_sendmsg+0xee/0x170 [ 363.558770][ T72] __sys_sendmsg+0xcd/0x170 [ 363.558770][ T72] do_syscall_64+0xc6/0x1e0 [ 363.558770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.558770][ T72] [ 363.560488][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 363.560488][ T72] neigh_parms_alloc+0x1e5/0x510 [ 363.560488][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 363.560488][ T72] ipv6_find_idev+0x102/0x170 [ 363.560488][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 363.560488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.560488][ T72] netlink_rcv_skb+0x130/0x360 [ 363.560488][ T72] netlink_unicast+0x449/0x710 [ 363.560488][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.560488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.560488][ T72] ___sys_sendmsg+0xee/0x170 [ 363.560488][ T72] __sys_sendmsg+0xcd/0x170 [ 363.560488][ T72] do_syscall_64+0xc6/0x1e0 [ 363.560488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.560488][ T72] [ 363.562764][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 363.563473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 363.563473][ T72] netdev_get_by_index+0x5e/0x80 [ 363.563473][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.563473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.563473][ T72] addrconf_f6i_alloc+0x265/0x560 [ 363.563473][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 363.563473][ T72] addrconf_join_anycast+0x1c0/0x220 [ 363.563473][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 363.563473][ T72] addrconf_dad_completed+0x12b/0xe20 [ 363.563473][ T72] addrconf_dad_begin+0x310/0x670 [ 363.563473][ T72] addrconf_dad_work+0x10b/0xab0 [ 363.563473][ T72] process_one_work+0x84d/0x18a0 [ 363.563473][ T72] worker_thread+0x587/0xd30 [ 363.563473][ T72] kthread+0x28a/0x350 [ 363.563473][ T72] ret_from_fork+0x31/0x70 [ 363.563473][ T72] ret_from_fork_asm+0x1a/0x30 [ 363.563473][ T72] [ 363.565367][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 363.565367][ T72] netdev_get_by_index+0x5e/0x80 [ 363.565367][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.565367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.565367][ T72] ip6_route_add+0x1c/0x140 [ 363.565367][ T72] addrconf_prefix_route+0x2a6/0x430 [ 363.565367][ T72] inet6_addr_add+0x4f8/0xa40 [ 363.565367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.565367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.565367][ T72] netlink_rcv_skb+0x130/0x360 [ 363.565367][ T72] netlink_unicast+0x449/0x710 [ 363.565367][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.565367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.565367][ T72] ___sys_sendmsg+0xee/0x170 [ 363.565367][ T72] __sys_sendmsg+0xcd/0x170 [ 363.565367][ T72] do_syscall_64+0xc6/0x1e0 [ 363.565367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.565367][ T72] [ 363.567366][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 363.567366][ T72] netdev_get_by_index+0x5e/0x80 [ 363.567366][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.567366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.567366][ T72] addrconf_f6i_alloc+0x315/0x560 [ 363.567366][ T72] ipv6_add_addr+0x411/0x2000 [ 363.567366][ T72] inet6_addr_add+0x30e/0xa40 [ 363.567366][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.567366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.567366][ T72] netlink_rcv_skb+0x130/0x360 [ 363.567366][ T72] netlink_unicast+0x449/0x710 [ 363.567366][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.567366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.567366][ T72] ___sys_sendmsg+0xee/0x170 [ 363.567366][ T72] __sys_sendmsg+0xcd/0x170 [ 363.567366][ T72] do_syscall_64+0xc6/0x1e0 [ 363.567366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.567366][ T72] [ 363.569341][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 363.569341][ T72] netdev_get_by_index+0x5e/0x80 [ 363.569341][ T72] fib6_nh_init+0x3d8/0x1580 [ 363.569341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 363.569341][ T72] ip6_route_add+0x1c/0x140 [ 363.569341][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 363.569341][ T72] addrconf_add_dev+0xe2/0x170 [ 363.569341][ T72] inet6_addr_add+0x12f/0xa40 [ 363.569341][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 363.569341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.569341][ T72] netlink_rcv_skb+0x130/0x360 [ 363.569341][ T72] netlink_unicast+0x449/0x710 [ 363.569341][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.569341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.569341][ T72] ___sys_sendmsg+0xee/0x170 [ 363.569341][ T72] __sys_sendmsg+0xcd/0x170 [ 363.569341][ T72] do_syscall_64+0xc6/0x1e0 [ 363.569341][ T72] [ 363.571574][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 363.571574][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 363.571574][ T72] ipv6_find_idev+0x102/0x170 [ 363.571574][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 363.571574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.571574][ T72] netlink_rcv_skb+0x130/0x360 [ 363.571574][ T72] netlink_unicast+0x449/0x710 [ 363.571574][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.571574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.571574][ T72] ___sys_sendmsg+0xee/0x170 [ 363.571574][ T72] __sys_sendmsg+0xcd/0x170 [ 363.571574][ T72] do_syscall_64+0xc6/0x1e0 [ 363.571574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.571574][ T72] [ 363.573248][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 363.573248][ T72] neigh_parms_alloc+0x1e5/0x510 [ 363.573248][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 363.573248][ T72] ipv6_find_idev+0x102/0x170 [ 363.573248][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 363.573248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 363.573248][ T72] netlink_rcv_skb+0x130/0x360 [ 363.573248][ T72] netlink_unicast+0x449/0x710 [ 363.573248][ T72] netlink_sendmsg+0x723/0xbe0 [ 363.573248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 363.573248][ T72] ___sys_sendmsg+0xee/0x170 [ 363.573248][ T72] __sys_sendmsg+0xcd/0x170 [ 363.573248][ T72] do_syscall_64+0xc6/0x1e0 [ 363.573248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 363.573248][ T72] [ 369.960963][ T42] INFO: task modprobe:885 blocked for more than 245 seconds. [ 369.961357][ T42] Not tainted 6.8.0-virtme #1 [ 369.961482][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.961700][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 369.961997][ T42] Call Trace: [ 369.962097][ T42] [ 369.962171][ T42] __schedule+0x705/0x1ac0 [ 369.962312][ T42] ? __pfx___schedule+0x10/0x10 [ 369.962439][ T42] ? schedule+0x1a5/0x210 [ 369.962544][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 369.962682][ T42] ? schedule+0x1a5/0x210 [ 369.962786][ T42] schedule+0xdf/0x210 [ 369.962898][ T42] schedule_preempt_disabled+0x15/0x30 [ 369.963025][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 369.963160][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 369.963318][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 369.963454][ T42] ? lock_acquire+0x1c1/0x220 [ 369.963578][ T42] ? register_pernet_subsys+0x1a/0x50 [ 369.963714][ T42] down_write+0x1c9/0x200 [ 369.964271][ T42] ? __pfx_down_write+0x10/0x10 [ 369.964401][ T42] ? __lock_release+0x103/0x460 [ 369.964528][ T42] ? __create_object+0x5e/0xb0 [ 369.964672][ T42] ? __pfx___lock_release+0x10/0x10 [ 369.964814][ T42] register_pernet_subsys+0x1a/0x50 [ 369.964941][ T42] tcf_register_action+0xa3/0x600 [ 369.965082][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 369.965246][ T42] do_one_initcall+0xc8/0x3f0 [ 369.965380][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 369.965513][ T42] ? __create_object+0x5e/0xb0 [ 369.965642][ T42] ? kasan_unpoison+0x27/0x60 [ 369.965773][ T42] do_init_module+0x233/0x740 [ 369.965933][ T42] load_module+0x16b5/0x2350 [ 369.966073][ T42] ? __pfx_load_module+0x10/0x10 [ 369.966198][ T42] ? kernel_read_file+0x3d2/0x520 [ 369.966333][ T42] ? kernel_read_file+0x300/0x520 [ 369.966463][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 369.966599][ T42] ? init_module_from_file+0xd2/0x130 [ 369.966724][ T42] init_module_from_file+0xd2/0x130 [ 369.966860][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 369.967017][ T42] ? __lock_release+0x103/0x460 [ 369.967146][ T42] ? idempotent_init_module+0x32a/0x620 [ 369.967283][ T42] ? idempotent_init_module+0x32a/0x620 [ 369.967408][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 369.967540][ T42] idempotent_init_module+0x342/0x620 [ 369.967669][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 369.967856][ T42] __x64_sys_finit_module+0xbe/0x130 [ 369.967989][ T42] do_syscall_64+0xc6/0x1e0 [ 369.968118][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.968279][ T42] RIP: 0033:0x7f41a8dc5e5d [ 369.968411][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 369.968602][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 369.968810][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 369.968995][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 369.969180][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 369.969372][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 369.969574][ T42] [ 369.969679][ T42] [ 369.969679][ T42] Showing all locks held in the system: [ 369.969879][ T42] 2 locks held by kworker/u20:0/39: [ 369.970003][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 369.970263][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 369.970560][ T42] 1 lock held by khungtaskd/42: [ 369.970685][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 369.970922][ T42] 3 locks held by kworker/u16:1/72: [ 369.971042][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 369.971295][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 369.971520][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 369.971743][ T42] 1 lock held by modprobe/885: [ 369.971870][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 369.972123][ T42] [ 369.972187][ T42] ============================================= [ 369.972187][ T42] [ 373.632988][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 373.633506][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 373.633506][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 373.633506][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 373.633506][ T72] fib6_nh_init+0xa22/0x1580 [ 373.633506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.633506][ T72] ip6_route_add+0x1c/0x140 [ 373.633506][ T72] inet6_rtm_newroute+0x104/0x110 [ 373.633506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.633506][ T72] netlink_rcv_skb+0x130/0x360 [ 373.633506][ T72] netlink_unicast+0x449/0x710 [ 373.633506][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.633506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.633506][ T72] ___sys_sendmsg+0xee/0x170 [ 373.633506][ T72] __sys_sendmsg+0xcd/0x170 [ 373.633506][ T72] do_syscall_64+0xc6/0x1e0 [ 373.633506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.633506][ T72] [ 373.635591][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 373.635591][ T72] dst_init+0x84/0x4a0 [ 373.635591][ T72] dst_alloc+0x97/0x150 [ 373.635591][ T72] ip6_dst_alloc+0x23/0x90 [ 373.635591][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 373.635591][ T72] ip6_pol_route+0x56f/0x840 [ 373.635591][ T72] fib6_rule_lookup+0x456/0x630 [ 373.635591][ T72] ip6_route_input+0x59c/0xa50 [ 373.635591][ T72] ipv6_rcv+0x397/0x810 [ 373.635591][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 373.635591][ T72] process_backlog+0x101/0x620 [ 373.635591][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 373.635591][ T72] net_rx_action+0x495/0xbe0 [ 373.635591][ T72] __do_softirq+0x1b5/0x7f6 [ 373.635591][ T72] [ 373.637908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 373.637908][ T72] netdev_get_by_index+0x5e/0x80 [ 373.637908][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.637908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.637908][ T72] ip6_route_add+0x1c/0x140 [ 373.637908][ T72] addrconf_prefix_route+0x2a6/0x430 [ 373.637908][ T72] inet6_addr_add+0x4f8/0xa40 [ 373.637908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.637908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.637908][ T72] netlink_rcv_skb+0x130/0x360 [ 373.637908][ T72] netlink_unicast+0x449/0x710 [ 373.637908][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.637908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.637908][ T72] ___sys_sendmsg+0xee/0x170 [ 373.637908][ T72] __sys_sendmsg+0xcd/0x170 [ 373.637908][ T72] do_syscall_64+0xc6/0x1e0 [ 373.637908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.637908][ T72] [ 373.640760][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 373.640760][ T72] netdev_get_by_index+0x5e/0x80 [ 373.640760][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.640760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.640760][ T72] addrconf_f6i_alloc+0x315/0x560 [ 373.640760][ T72] ipv6_add_addr+0x411/0x2000 [ 373.640760][ T72] inet6_addr_add+0x30e/0xa40 [ 373.640760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.640760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.640760][ T72] netlink_rcv_skb+0x130/0x360 [ 373.640760][ T72] netlink_unicast+0x449/0x710 [ 373.640760][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.640760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.640760][ T72] ___sys_sendmsg+0xee/0x170 [ 373.640760][ T72] __sys_sendmsg+0xcd/0x170 [ 373.640760][ T72] do_syscall_64+0xc6/0x1e0 [ 373.640760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.640760][ T72] [ 373.643603][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 373.643603][ T72] netdev_get_by_index+0x5e/0x80 [ 373.643603][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.643603][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.643603][ T72] ip6_route_add+0x1c/0x140 [ 373.643603][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 373.643603][ T72] addrconf_add_dev+0xe2/0x170 [ 373.643603][ T72] inet6_addr_add+0x12f/0xa40 [ 373.643603][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.643603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.643603][ T72] netlink_rcv_skb+0x130/0x360 [ 373.643603][ T72] netlink_unicast+0x449/0x710 [ 373.643603][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.643603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.643603][ T72] ___sys_sendmsg+0xee/0x170 [ 373.643603][ T72] __sys_sendmsg+0xcd/0x170 [ 373.643603][ T72] do_syscall_64+0xc6/0x1e0 [ 373.643603][ T72] [ 373.646368][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 373.646368][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 373.646368][ T72] ipv6_find_idev+0x102/0x170 [ 373.646368][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 373.646368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.646368][ T72] netlink_rcv_skb+0x130/0x360 [ 373.646368][ T72] netlink_unicast+0x449/0x710 [ 373.646368][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.646368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.646368][ T72] ___sys_sendmsg+0xee/0x170 [ 373.646368][ T72] __sys_sendmsg+0xcd/0x170 [ 373.646368][ T72] do_syscall_64+0xc6/0x1e0 [ 373.646368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.646368][ T72] [ 373.648529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 373.648529][ T72] neigh_parms_alloc+0x1e5/0x510 [ 373.648529][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 373.648529][ T72] ipv6_find_idev+0x102/0x170 [ 373.648529][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 373.648529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.648529][ T72] netlink_rcv_skb+0x130/0x360 [ 373.648529][ T72] netlink_unicast+0x449/0x710 [ 373.648529][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.648529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.648529][ T72] ___sys_sendmsg+0xee/0x170 [ 373.648529][ T72] __sys_sendmsg+0xcd/0x170 [ 373.648529][ T72] do_syscall_64+0xc6/0x1e0 [ 373.648529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.648529][ T72] [ 373.650899][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 373.651274][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 373.651274][ T72] dst_init+0x84/0x4a0 [ 373.651274][ T72] dst_alloc+0x97/0x150 [ 373.651274][ T72] ip6_dst_alloc+0x23/0x90 [ 373.651274][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 373.651274][ T72] ip6_pol_route+0x56f/0x840 [ 373.651274][ T72] fib6_rule_lookup+0x456/0x630 [ 373.651274][ T72] ip6_route_input+0x59c/0xa50 [ 373.651274][ T72] ipv6_rcv+0x397/0x810 [ 373.651274][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 373.651274][ T72] process_backlog+0x101/0x620 [ 373.651274][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 373.651274][ T72] net_rx_action+0x495/0xbe0 [ 373.651274][ T72] __do_softirq+0x1b5/0x7f6 [ 373.651274][ T72] [ 373.653583][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 373.653583][ T72] netdev_get_by_index+0x5e/0x80 [ 373.653583][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.653583][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.653583][ T72] addrconf_f6i_alloc+0x265/0x560 [ 373.653583][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 373.653583][ T72] addrconf_join_anycast+0x1c0/0x220 [ 373.653583][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 373.653583][ T72] addrconf_dad_completed+0x12b/0xe20 [ 373.653583][ T72] addrconf_dad_begin+0x310/0x670 [ 373.653583][ T72] addrconf_dad_work+0x10b/0xab0 [ 373.653583][ T72] process_one_work+0x84d/0x18a0 [ 373.653583][ T72] worker_thread+0x587/0xd30 [ 373.653583][ T72] kthread+0x28a/0x350 [ 373.653583][ T72] ret_from_fork+0x31/0x70 [ 373.653583][ T72] ret_from_fork_asm+0x1a/0x30 [ 373.653583][ T72] [ 373.656298][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 373.656298][ T72] netdev_get_by_index+0x5e/0x80 [ 373.656298][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.656298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.656298][ T72] ip6_route_add+0x1c/0x140 [ 373.656298][ T72] addrconf_prefix_route+0x2a6/0x430 [ 373.656298][ T72] inet6_addr_add+0x4f8/0xa40 [ 373.656298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.656298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.656298][ T72] netlink_rcv_skb+0x130/0x360 [ 373.656298][ T72] netlink_unicast+0x449/0x710 [ 373.656298][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.656298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.656298][ T72] ___sys_sendmsg+0xee/0x170 [ 373.656298][ T72] __sys_sendmsg+0xcd/0x170 [ 373.656298][ T72] do_syscall_64+0xc6/0x1e0 [ 373.656298][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.656298][ T72] [ 373.659138][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 373.659138][ T72] netdev_get_by_index+0x5e/0x80 [ 373.659138][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.659138][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.659138][ T72] addrconf_f6i_alloc+0x315/0x560 [ 373.659138][ T72] ipv6_add_addr+0x411/0x2000 [ 373.659138][ T72] inet6_addr_add+0x30e/0xa40 [ 373.659138][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.659138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.659138][ T72] netlink_rcv_skb+0x130/0x360 [ 373.659138][ T72] netlink_unicast+0x449/0x710 [ 373.659138][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.659138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.659138][ T72] ___sys_sendmsg+0xee/0x170 [ 373.659138][ T72] __sys_sendmsg+0xcd/0x170 [ 373.659138][ T72] do_syscall_64+0xc6/0x1e0 [ 373.659138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.659138][ T72] [ 373.661948][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 373.661948][ T72] netdev_get_by_index+0x5e/0x80 [ 373.661948][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.661948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.661948][ T72] ip6_route_add+0x1c/0x140 [ 373.661948][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 373.661948][ T72] addrconf_add_dev+0xe2/0x170 [ 373.661948][ T72] inet6_addr_add+0x12f/0xa40 [ 373.661948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.661948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.661948][ T72] netlink_rcv_skb+0x130/0x360 [ 373.661948][ T72] netlink_unicast+0x449/0x710 [ 373.661948][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.661948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.661948][ T72] ___sys_sendmsg+0xee/0x170 [ 373.661948][ T72] __sys_sendmsg+0xcd/0x170 [ 373.661948][ T72] do_syscall_64+0xc6/0x1e0 [ 373.661948][ T72] [ 373.664674][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 373.664674][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 373.664674][ T72] ipv6_find_idev+0x102/0x170 [ 373.664674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 373.664674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.664674][ T72] netlink_rcv_skb+0x130/0x360 [ 373.664674][ T72] netlink_unicast+0x449/0x710 [ 373.664674][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.664674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.664674][ T72] ___sys_sendmsg+0xee/0x170 [ 373.664674][ T72] __sys_sendmsg+0xcd/0x170 [ 373.664674][ T72] do_syscall_64+0xc6/0x1e0 [ 373.664674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.664674][ T72] [ 373.666883][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 373.666883][ T72] neigh_parms_alloc+0x1e5/0x510 [ 373.666883][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 373.666883][ T72] ipv6_find_idev+0x102/0x170 [ 373.666883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 373.666883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.666883][ T72] netlink_rcv_skb+0x130/0x360 [ 373.666883][ T72] netlink_unicast+0x449/0x710 [ 373.666883][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.666883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.666883][ T72] ___sys_sendmsg+0xee/0x170 [ 373.666883][ T72] __sys_sendmsg+0xcd/0x170 [ 373.666883][ T72] do_syscall_64+0xc6/0x1e0 [ 373.666883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.666883][ T72] [ 373.669411][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 373.669787][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 373.669787][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 373.669787][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 373.669787][ T72] fib6_nh_init+0xa22/0x1580 [ 373.669787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.669787][ T72] ip6_route_add+0x1c/0x140 [ 373.669787][ T72] inet6_rtm_newroute+0x104/0x110 [ 373.669787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.669787][ T72] netlink_rcv_skb+0x130/0x360 [ 373.669787][ T72] netlink_unicast+0x449/0x710 [ 373.669787][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.669787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.669787][ T72] ___sys_sendmsg+0xee/0x170 [ 373.669787][ T72] __sys_sendmsg+0xcd/0x170 [ 373.669787][ T72] do_syscall_64+0xc6/0x1e0 [ 373.669787][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.669787][ T72] [ 373.672868][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 373.672868][ T72] dst_init+0x84/0x4a0 [ 373.672868][ T72] dst_alloc+0x97/0x150 [ 373.672868][ T72] ip6_dst_alloc+0x23/0x90 [ 373.672868][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 373.672868][ T72] ip6_pol_route+0x56f/0x840 [ 373.672868][ T72] fib6_rule_lookup+0x456/0x630 [ 373.672868][ T72] ip6_route_input+0x59c/0xa50 [ 373.672868][ T72] ipv6_rcv+0x397/0x810 [ 373.672868][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 373.672868][ T72] process_backlog+0x101/0x620 [ 373.672868][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 373.672868][ T72] net_rx_action+0x495/0xbe0 [ 373.672868][ T72] __do_softirq+0x1b5/0x7f6 [ 373.672868][ T72] [ 373.675451][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 373.675451][ T72] netdev_get_by_index+0x5e/0x80 [ 373.675451][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.675451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.675451][ T72] ip6_route_add+0x1c/0x140 [ 373.675451][ T72] addrconf_prefix_route+0x2a6/0x430 [ 373.675451][ T72] inet6_addr_add+0x4f8/0xa40 [ 373.675451][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.675451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.675451][ T72] netlink_rcv_skb+0x130/0x360 [ 373.675451][ T72] netlink_unicast+0x449/0x710 [ 373.675451][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.675451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.675451][ T72] ___sys_sendmsg+0xee/0x170 [ 373.675451][ T72] __sys_sendmsg+0xcd/0x170 [ 373.675451][ T72] do_syscall_64+0xc6/0x1e0 [ 373.675451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.675451][ T72] [ 373.678550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 373.678550][ T72] netdev_get_by_index+0x5e/0x80 [ 373.678550][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.678550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.678550][ T72] addrconf_f6i_alloc+0x315/0x560 [ 373.678550][ T72] ipv6_add_addr+0x411/0x2000 [ 373.678550][ T72] inet6_addr_add+0x30e/0xa40 [ 373.678550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.678550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.678550][ T72] netlink_rcv_skb+0x130/0x360 [ 373.678550][ T72] netlink_unicast+0x449/0x710 [ 373.678550][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.678550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.678550][ T72] ___sys_sendmsg+0xee/0x170 [ 373.678550][ T72] __sys_sendmsg+0xcd/0x170 [ 373.678550][ T72] do_syscall_64+0xc6/0x1e0 [ 373.678550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.678550][ T72] [ 373.681744][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 373.681744][ T72] netdev_get_by_index+0x5e/0x80 [ 373.681744][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.681744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.681744][ T72] ip6_route_add+0x1c/0x140 [ 373.681744][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 373.681744][ T72] addrconf_add_dev+0xe2/0x170 [ 373.681744][ T72] inet6_addr_add+0x12f/0xa40 [ 373.681744][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.681744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.681744][ T72] netlink_rcv_skb+0x130/0x360 [ 373.681744][ T72] netlink_unicast+0x449/0x710 [ 373.681744][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.681744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.681744][ T72] ___sys_sendmsg+0xee/0x170 [ 373.681744][ T72] __sys_sendmsg+0xcd/0x170 [ 373.681744][ T72] do_syscall_64+0xc6/0x1e0 [ 373.681744][ T72] [ 373.684784][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 373.684784][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 373.684784][ T72] ipv6_find_idev+0x102/0x170 [ 373.684784][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 373.684784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.684784][ T72] netlink_rcv_skb+0x130/0x360 [ 373.684784][ T72] netlink_unicast+0x449/0x710 [ 373.684784][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.684784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.684784][ T72] ___sys_sendmsg+0xee/0x170 [ 373.684784][ T72] __sys_sendmsg+0xcd/0x170 [ 373.684784][ T72] do_syscall_64+0xc6/0x1e0 [ 373.684784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.684784][ T72] [ 373.686505][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 373.686505][ T72] neigh_parms_alloc+0x1e5/0x510 [ 373.686505][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 373.686505][ T72] ipv6_find_idev+0x102/0x170 [ 373.686505][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 373.686505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.686505][ T72] netlink_rcv_skb+0x130/0x360 [ 373.686505][ T72] netlink_unicast+0x449/0x710 [ 373.686505][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.686505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.686505][ T72] ___sys_sendmsg+0xee/0x170 [ 373.686505][ T72] __sys_sendmsg+0xcd/0x170 [ 373.686505][ T72] do_syscall_64+0xc6/0x1e0 [ 373.686505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.686505][ T72] [ 373.688365][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 373.688697][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 373.688697][ T72] netdev_get_by_index+0x5e/0x80 [ 373.688697][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.688697][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.688697][ T72] addrconf_f6i_alloc+0x265/0x560 [ 373.688697][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 373.688697][ T72] addrconf_join_anycast+0x1c0/0x220 [ 373.688697][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 373.688697][ T72] addrconf_dad_completed+0x12b/0xe20 [ 373.688697][ T72] addrconf_dad_begin+0x310/0x670 [ 373.688697][ T72] addrconf_dad_work+0x10b/0xab0 [ 373.688697][ T72] process_one_work+0x84d/0x18a0 [ 373.688697][ T72] worker_thread+0x587/0xd30 [ 373.688697][ T72] kthread+0x28a/0x350 [ 373.688697][ T72] ret_from_fork+0x31/0x70 [ 373.688697][ T72] ret_from_fork_asm+0x1a/0x30 [ 373.688697][ T72] [ 373.690701][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 373.690701][ T72] netdev_get_by_index+0x5e/0x80 [ 373.690701][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.690701][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.690701][ T72] ip6_route_add+0x1c/0x140 [ 373.690701][ T72] addrconf_prefix_route+0x2a6/0x430 [ 373.690701][ T72] inet6_addr_add+0x4f8/0xa40 [ 373.690701][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.690701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.690701][ T72] netlink_rcv_skb+0x130/0x360 [ 373.690701][ T72] netlink_unicast+0x449/0x710 [ 373.690701][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.690701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.690701][ T72] ___sys_sendmsg+0xee/0x170 [ 373.690701][ T72] __sys_sendmsg+0xcd/0x170 [ 373.690701][ T72] do_syscall_64+0xc6/0x1e0 [ 373.690701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.690701][ T72] [ 373.692929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 373.692929][ T72] netdev_get_by_index+0x5e/0x80 [ 373.692929][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.692929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.692929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 373.692929][ T72] ipv6_add_addr+0x411/0x2000 [ 373.692929][ T72] inet6_addr_add+0x30e/0xa40 [ 373.692929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.692929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.692929][ T72] netlink_rcv_skb+0x130/0x360 [ 373.692929][ T72] netlink_unicast+0x449/0x710 [ 373.692929][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.692929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.692929][ T72] ___sys_sendmsg+0xee/0x170 [ 373.692929][ T72] __sys_sendmsg+0xcd/0x170 [ 373.692929][ T72] do_syscall_64+0xc6/0x1e0 [ 373.692929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.692929][ T72] [ 373.695209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 373.695209][ T72] netdev_get_by_index+0x5e/0x80 [ 373.695209][ T72] fib6_nh_init+0x3d8/0x1580 [ 373.695209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 373.695209][ T72] ip6_route_add+0x1c/0x140 [ 373.695209][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 373.695209][ T72] addrconf_add_dev+0xe2/0x170 [ 373.695209][ T72] inet6_addr_add+0x12f/0xa40 [ 373.695209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 373.695209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.695209][ T72] netlink_rcv_skb+0x130/0x360 [ 373.695209][ T72] netlink_unicast+0x449/0x710 [ 373.695209][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.695209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.695209][ T72] ___sys_sendmsg+0xee/0x170 [ 373.695209][ T72] __sys_sendmsg+0xcd/0x170 [ 373.695209][ T72] do_syscall_64+0xc6/0x1e0 [ 373.695209][ T72] [ 373.697416][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 373.697416][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 373.697416][ T72] ipv6_find_idev+0x102/0x170 [ 373.697416][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 373.697416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.697416][ T72] netlink_rcv_skb+0x130/0x360 [ 373.697416][ T72] netlink_unicast+0x449/0x710 [ 373.697416][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.697416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.697416][ T72] ___sys_sendmsg+0xee/0x170 [ 373.697416][ T72] __sys_sendmsg+0xcd/0x170 [ 373.697416][ T72] do_syscall_64+0xc6/0x1e0 [ 373.697416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.697416][ T72] [ 373.699119][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 373.699119][ T72] neigh_parms_alloc+0x1e5/0x510 [ 373.699119][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 373.699119][ T72] ipv6_find_idev+0x102/0x170 [ 373.699119][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 373.699119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 373.699119][ T72] netlink_rcv_skb+0x130/0x360 [ 373.699119][ T72] netlink_unicast+0x449/0x710 [ 373.699119][ T72] netlink_sendmsg+0x723/0xbe0 [ 373.699119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 373.699119][ T72] ___sys_sendmsg+0xee/0x170 [ 373.699119][ T72] __sys_sendmsg+0xcd/0x170 [ 373.699119][ T72] do_syscall_64+0xc6/0x1e0 [ 373.699119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 373.699119][ T72] [ 383.936906][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 383.937522][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 383.937522][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 383.937522][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 383.937522][ T72] fib6_nh_init+0xa22/0x1580 [ 383.937522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.937522][ T72] ip6_route_add+0x1c/0x140 [ 383.937522][ T72] inet6_rtm_newroute+0x104/0x110 [ 383.937522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.937522][ T72] netlink_rcv_skb+0x130/0x360 [ 383.937522][ T72] netlink_unicast+0x449/0x710 [ 383.937522][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.937522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.937522][ T72] ___sys_sendmsg+0xee/0x170 [ 383.937522][ T72] __sys_sendmsg+0xcd/0x170 [ 383.937522][ T72] do_syscall_64+0xc6/0x1e0 [ 383.937522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.937522][ T72] [ 383.940536][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 383.940536][ T72] dst_init+0x84/0x4a0 [ 383.940536][ T72] dst_alloc+0x97/0x150 [ 383.940536][ T72] ip6_dst_alloc+0x23/0x90 [ 383.940536][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 383.940536][ T72] ip6_pol_route+0x56f/0x840 [ 383.940536][ T72] fib6_rule_lookup+0x456/0x630 [ 383.940536][ T72] ip6_route_input+0x59c/0xa50 [ 383.940536][ T72] ipv6_rcv+0x397/0x810 [ 383.940536][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 383.940536][ T72] process_backlog+0x101/0x620 [ 383.940536][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 383.940536][ T72] net_rx_action+0x495/0xbe0 [ 383.940536][ T72] __do_softirq+0x1b5/0x7f6 [ 383.940536][ T72] [ 383.943066][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 383.943066][ T72] netdev_get_by_index+0x5e/0x80 [ 383.943066][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.943066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.943066][ T72] ip6_route_add+0x1c/0x140 [ 383.943066][ T72] addrconf_prefix_route+0x2a6/0x430 [ 383.943066][ T72] inet6_addr_add+0x4f8/0xa40 [ 383.943066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.943066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.943066][ T72] netlink_rcv_skb+0x130/0x360 [ 383.943066][ T72] netlink_unicast+0x449/0x710 [ 383.943066][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.943066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.943066][ T72] ___sys_sendmsg+0xee/0x170 [ 383.943066][ T72] __sys_sendmsg+0xcd/0x170 [ 383.943066][ T72] do_syscall_64+0xc6/0x1e0 [ 383.943066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.943066][ T72] [ 383.946121][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 383.946121][ T72] netdev_get_by_index+0x5e/0x80 [ 383.946121][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.946121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.946121][ T72] addrconf_f6i_alloc+0x315/0x560 [ 383.946121][ T72] ipv6_add_addr+0x411/0x2000 [ 383.946121][ T72] inet6_addr_add+0x30e/0xa40 [ 383.946121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.946121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.946121][ T72] netlink_rcv_skb+0x130/0x360 [ 383.946121][ T72] netlink_unicast+0x449/0x710 [ 383.946121][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.946121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.946121][ T72] ___sys_sendmsg+0xee/0x170 [ 383.946121][ T72] __sys_sendmsg+0xcd/0x170 [ 383.946121][ T72] do_syscall_64+0xc6/0x1e0 [ 383.946121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.946121][ T72] [ 383.949281][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 383.949281][ T72] netdev_get_by_index+0x5e/0x80 [ 383.949281][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.949281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.949281][ T72] ip6_route_add+0x1c/0x140 [ 383.949281][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 383.949281][ T72] addrconf_add_dev+0xe2/0x170 [ 383.949281][ T72] inet6_addr_add+0x12f/0xa40 [ 383.949281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.949281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.949281][ T72] netlink_rcv_skb+0x130/0x360 [ 383.949281][ T72] netlink_unicast+0x449/0x710 [ 383.949281][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.949281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.949281][ T72] ___sys_sendmsg+0xee/0x170 [ 383.949281][ T72] __sys_sendmsg+0xcd/0x170 [ 383.949281][ T72] do_syscall_64+0xc6/0x1e0 [ 383.949281][ T72] [ 383.952173][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 383.952173][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 383.952173][ T72] ipv6_find_idev+0x102/0x170 [ 383.952173][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 383.952173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.952173][ T72] netlink_rcv_skb+0x130/0x360 [ 383.952173][ T72] netlink_unicast+0x449/0x710 [ 383.952173][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.952173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.952173][ T72] ___sys_sendmsg+0xee/0x170 [ 383.952173][ T72] __sys_sendmsg+0xcd/0x170 [ 383.952173][ T72] do_syscall_64+0xc6/0x1e0 [ 383.952173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.952173][ T72] [ 383.954204][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 383.954204][ T72] neigh_parms_alloc+0x1e5/0x510 [ 383.954204][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 383.954204][ T72] ipv6_find_idev+0x102/0x170 [ 383.954204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 383.954204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.954204][ T72] netlink_rcv_skb+0x130/0x360 [ 383.954204][ T72] netlink_unicast+0x449/0x710 [ 383.954204][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.954204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.954204][ T72] ___sys_sendmsg+0xee/0x170 [ 383.954204][ T72] __sys_sendmsg+0xcd/0x170 [ 383.954204][ T72] do_syscall_64+0xc6/0x1e0 [ 383.954204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.954204][ T72] [ 383.955936][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 383.956209][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 383.956209][ T72] dst_init+0x84/0x4a0 [ 383.956209][ T72] dst_alloc+0x97/0x150 [ 383.956209][ T72] ip6_dst_alloc+0x23/0x90 [ 383.956209][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 383.956209][ T72] ip6_pol_route+0x56f/0x840 [ 383.956209][ T72] fib6_rule_lookup+0x456/0x630 [ 383.956209][ T72] ip6_route_input+0x59c/0xa50 [ 383.956209][ T72] ipv6_rcv+0x397/0x810 [ 383.956209][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 383.956209][ T72] process_backlog+0x101/0x620 [ 383.956209][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 383.956209][ T72] net_rx_action+0x495/0xbe0 [ 383.956209][ T72] __do_softirq+0x1b5/0x7f6 [ 383.956209][ T72] [ 383.957864][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 383.957864][ T72] netdev_get_by_index+0x5e/0x80 [ 383.957864][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.957864][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.957864][ T72] addrconf_f6i_alloc+0x265/0x560 [ 383.957864][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 383.957864][ T72] addrconf_join_anycast+0x1c0/0x220 [ 383.957864][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 383.957864][ T72] addrconf_dad_completed+0x12b/0xe20 [ 383.957864][ T72] addrconf_dad_begin+0x310/0x670 [ 383.957864][ T72] addrconf_dad_work+0x10b/0xab0 [ 383.957864][ T72] process_one_work+0x84d/0x18a0 [ 383.957864][ T72] worker_thread+0x587/0xd30 [ 383.957864][ T72] kthread+0x28a/0x350 [ 383.957864][ T72] ret_from_fork+0x31/0x70 [ 383.957864][ T72] ret_from_fork_asm+0x1a/0x30 [ 383.957864][ T72] [ 383.959778][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 383.959778][ T72] netdev_get_by_index+0x5e/0x80 [ 383.959778][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.959778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.959778][ T72] ip6_route_add+0x1c/0x140 [ 383.959778][ T72] addrconf_prefix_route+0x2a6/0x430 [ 383.959778][ T72] inet6_addr_add+0x4f8/0xa40 [ 383.959778][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.959778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.959778][ T72] netlink_rcv_skb+0x130/0x360 [ 383.959778][ T72] netlink_unicast+0x449/0x710 [ 383.959778][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.959778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.959778][ T72] ___sys_sendmsg+0xee/0x170 [ 383.959778][ T72] __sys_sendmsg+0xcd/0x170 [ 383.959778][ T72] do_syscall_64+0xc6/0x1e0 [ 383.959778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.959778][ T72] [ 383.961794][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 383.961794][ T72] netdev_get_by_index+0x5e/0x80 [ 383.961794][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.961794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.961794][ T72] addrconf_f6i_alloc+0x315/0x560 [ 383.961794][ T72] ipv6_add_addr+0x411/0x2000 [ 383.961794][ T72] inet6_addr_add+0x30e/0xa40 [ 383.961794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.961794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.961794][ T72] netlink_rcv_skb+0x130/0x360 [ 383.961794][ T72] netlink_unicast+0x449/0x710 [ 383.961794][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.961794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.961794][ T72] ___sys_sendmsg+0xee/0x170 [ 383.961794][ T72] __sys_sendmsg+0xcd/0x170 [ 383.961794][ T72] do_syscall_64+0xc6/0x1e0 [ 383.961794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.961794][ T72] [ 383.963791][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 383.963791][ T72] netdev_get_by_index+0x5e/0x80 [ 383.963791][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.963791][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.963791][ T72] ip6_route_add+0x1c/0x140 [ 383.963791][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 383.963791][ T72] addrconf_add_dev+0xe2/0x170 [ 383.963791][ T72] inet6_addr_add+0x12f/0xa40 [ 383.963791][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.963791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.963791][ T72] netlink_rcv_skb+0x130/0x360 [ 383.963791][ T72] netlink_unicast+0x449/0x710 [ 383.963791][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.963791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.963791][ T72] ___sys_sendmsg+0xee/0x170 [ 383.963791][ T72] __sys_sendmsg+0xcd/0x170 [ 383.963791][ T72] do_syscall_64+0xc6/0x1e0 [ 383.963791][ T72] [ 383.965750][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 383.965750][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 383.965750][ T72] ipv6_find_idev+0x102/0x170 [ 383.965750][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 383.965750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.965750][ T72] netlink_rcv_skb+0x130/0x360 [ 383.965750][ T72] netlink_unicast+0x449/0x710 [ 383.965750][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.965750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.965750][ T72] ___sys_sendmsg+0xee/0x170 [ 383.965750][ T72] __sys_sendmsg+0xcd/0x170 [ 383.965750][ T72] do_syscall_64+0xc6/0x1e0 [ 383.965750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.965750][ T72] [ 383.967315][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 383.967315][ T72] neigh_parms_alloc+0x1e5/0x510 [ 383.967315][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 383.967315][ T72] ipv6_find_idev+0x102/0x170 [ 383.967315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 383.967315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.967315][ T72] netlink_rcv_skb+0x130/0x360 [ 383.967315][ T72] netlink_unicast+0x449/0x710 [ 383.967315][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.967315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.967315][ T72] ___sys_sendmsg+0xee/0x170 [ 383.967315][ T72] __sys_sendmsg+0xcd/0x170 [ 383.967315][ T72] do_syscall_64+0xc6/0x1e0 [ 383.967315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.967315][ T72] [ 383.969079][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 383.969412][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 383.969412][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 383.969412][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 383.969412][ T72] fib6_nh_init+0xa22/0x1580 [ 383.969412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.969412][ T72] ip6_route_add+0x1c/0x140 [ 383.969412][ T72] inet6_rtm_newroute+0x104/0x110 [ 383.969412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.969412][ T72] netlink_rcv_skb+0x130/0x360 [ 383.969412][ T72] netlink_unicast+0x449/0x710 [ 383.969412][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.969412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.969412][ T72] ___sys_sendmsg+0xee/0x170 [ 383.969412][ T72] __sys_sendmsg+0xcd/0x170 [ 383.969412][ T72] do_syscall_64+0xc6/0x1e0 [ 383.969412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.969412][ T72] [ 383.971479][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 383.971479][ T72] dst_init+0x84/0x4a0 [ 383.971479][ T72] dst_alloc+0x97/0x150 [ 383.971479][ T72] ip6_dst_alloc+0x23/0x90 [ 383.971479][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 383.971479][ T72] ip6_pol_route+0x56f/0x840 [ 383.971479][ T72] fib6_rule_lookup+0x456/0x630 [ 383.971479][ T72] ip6_route_input+0x59c/0xa50 [ 383.971479][ T72] ipv6_rcv+0x397/0x810 [ 383.971479][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 383.971479][ T72] process_backlog+0x101/0x620 [ 383.971479][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 383.971479][ T72] net_rx_action+0x495/0xbe0 [ 383.971479][ T72] __do_softirq+0x1b5/0x7f6 [ 383.971479][ T72] [ 383.973307][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 383.973307][ T72] netdev_get_by_index+0x5e/0x80 [ 383.973307][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.973307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.973307][ T72] ip6_route_add+0x1c/0x140 [ 383.973307][ T72] addrconf_prefix_route+0x2a6/0x430 [ 383.973307][ T72] inet6_addr_add+0x4f8/0xa40 [ 383.973307][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.973307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.973307][ T72] netlink_rcv_skb+0x130/0x360 [ 383.973307][ T72] netlink_unicast+0x449/0x710 [ 383.973307][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.973307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.973307][ T72] ___sys_sendmsg+0xee/0x170 [ 383.973307][ T72] __sys_sendmsg+0xcd/0x170 [ 383.973307][ T72] do_syscall_64+0xc6/0x1e0 [ 383.973307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.973307][ T72] [ 383.975550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 383.975550][ T72] netdev_get_by_index+0x5e/0x80 [ 383.975550][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.975550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.975550][ T72] addrconf_f6i_alloc+0x315/0x560 [ 383.975550][ T72] ipv6_add_addr+0x411/0x2000 [ 383.975550][ T72] inet6_addr_add+0x30e/0xa40 [ 383.975550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.975550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.975550][ T72] netlink_rcv_skb+0x130/0x360 [ 383.975550][ T72] netlink_unicast+0x449/0x710 [ 383.975550][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.975550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.975550][ T72] ___sys_sendmsg+0xee/0x170 [ 383.975550][ T72] __sys_sendmsg+0xcd/0x170 [ 383.975550][ T72] do_syscall_64+0xc6/0x1e0 [ 383.975550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.975550][ T72] [ 383.977845][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 383.977845][ T72] netdev_get_by_index+0x5e/0x80 [ 383.977845][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.977845][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.977845][ T72] ip6_route_add+0x1c/0x140 [ 383.977845][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 383.977845][ T72] addrconf_add_dev+0xe2/0x170 [ 383.977845][ T72] inet6_addr_add+0x12f/0xa40 [ 383.977845][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.977845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.977845][ T72] netlink_rcv_skb+0x130/0x360 [ 383.977845][ T72] netlink_unicast+0x449/0x710 [ 383.977845][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.977845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.977845][ T72] ___sys_sendmsg+0xee/0x170 [ 383.977845][ T72] __sys_sendmsg+0xcd/0x170 [ 383.977845][ T72] do_syscall_64+0xc6/0x1e0 [ 383.977845][ T72] [ 383.980093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 383.980093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 383.980093][ T72] ipv6_find_idev+0x102/0x170 [ 383.980093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 383.980093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.980093][ T72] netlink_rcv_skb+0x130/0x360 [ 383.980093][ T72] netlink_unicast+0x449/0x710 [ 383.980093][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.980093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.980093][ T72] ___sys_sendmsg+0xee/0x170 [ 383.980093][ T72] __sys_sendmsg+0xcd/0x170 [ 383.980093][ T72] do_syscall_64+0xc6/0x1e0 [ 383.980093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.980093][ T72] [ 383.981796][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 383.981796][ T72] neigh_parms_alloc+0x1e5/0x510 [ 383.981796][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 383.981796][ T72] ipv6_find_idev+0x102/0x170 [ 383.981796][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 383.981796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.981796][ T72] netlink_rcv_skb+0x130/0x360 [ 383.981796][ T72] netlink_unicast+0x449/0x710 [ 383.981796][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.981796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.981796][ T72] ___sys_sendmsg+0xee/0x170 [ 383.981796][ T72] __sys_sendmsg+0xcd/0x170 [ 383.981796][ T72] do_syscall_64+0xc6/0x1e0 [ 383.981796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.981796][ T72] [ 383.983655][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 383.984431][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 383.984431][ T72] netdev_get_by_index+0x5e/0x80 [ 383.984431][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.984431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.984431][ T72] addrconf_f6i_alloc+0x265/0x560 [ 383.984431][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 383.984431][ T72] addrconf_join_anycast+0x1c0/0x220 [ 383.984431][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 383.984431][ T72] addrconf_dad_completed+0x12b/0xe20 [ 383.984431][ T72] addrconf_dad_begin+0x310/0x670 [ 383.984431][ T72] addrconf_dad_work+0x10b/0xab0 [ 383.984431][ T72] process_one_work+0x84d/0x18a0 [ 383.984431][ T72] worker_thread+0x587/0xd30 [ 383.984431][ T72] kthread+0x28a/0x350 [ 383.984431][ T72] ret_from_fork+0x31/0x70 [ 383.984431][ T72] ret_from_fork_asm+0x1a/0x30 [ 383.984431][ T72] [ 383.986351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 383.986351][ T72] netdev_get_by_index+0x5e/0x80 [ 383.986351][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.986351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.986351][ T72] ip6_route_add+0x1c/0x140 [ 383.986351][ T72] addrconf_prefix_route+0x2a6/0x430 [ 383.986351][ T72] inet6_addr_add+0x4f8/0xa40 [ 383.986351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.986351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.986351][ T72] netlink_rcv_skb+0x130/0x360 [ 383.986351][ T72] netlink_unicast+0x449/0x710 [ 383.986351][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.986351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.986351][ T72] ___sys_sendmsg+0xee/0x170 [ 383.986351][ T72] __sys_sendmsg+0xcd/0x170 [ 383.986351][ T72] do_syscall_64+0xc6/0x1e0 [ 383.986351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.986351][ T72] [ 383.988396][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 383.988396][ T72] netdev_get_by_index+0x5e/0x80 [ 383.988396][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.988396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.988396][ T72] addrconf_f6i_alloc+0x315/0x560 [ 383.988396][ T72] ipv6_add_addr+0x411/0x2000 [ 383.988396][ T72] inet6_addr_add+0x30e/0xa40 [ 383.988396][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.988396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.988396][ T72] netlink_rcv_skb+0x130/0x360 [ 383.988396][ T72] netlink_unicast+0x449/0x710 [ 383.988396][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.988396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.988396][ T72] ___sys_sendmsg+0xee/0x170 [ 383.988396][ T72] __sys_sendmsg+0xcd/0x170 [ 383.988396][ T72] do_syscall_64+0xc6/0x1e0 [ 383.988396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.988396][ T72] [ 383.990647][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 383.990647][ T72] netdev_get_by_index+0x5e/0x80 [ 383.990647][ T72] fib6_nh_init+0x3d8/0x1580 [ 383.990647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 383.990647][ T72] ip6_route_add+0x1c/0x140 [ 383.990647][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 383.990647][ T72] addrconf_add_dev+0xe2/0x170 [ 383.990647][ T72] inet6_addr_add+0x12f/0xa40 [ 383.990647][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 383.990647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.990647][ T72] netlink_rcv_skb+0x130/0x360 [ 383.990647][ T72] netlink_unicast+0x449/0x710 [ 383.990647][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.990647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.990647][ T72] ___sys_sendmsg+0xee/0x170 [ 383.990647][ T72] __sys_sendmsg+0xcd/0x170 [ 383.990647][ T72] do_syscall_64+0xc6/0x1e0 [ 383.990647][ T72] [ 383.992908][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 383.992908][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 383.992908][ T72] ipv6_find_idev+0x102/0x170 [ 383.992908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 383.992908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.992908][ T72] netlink_rcv_skb+0x130/0x360 [ 383.992908][ T72] netlink_unicast+0x449/0x710 [ 383.992908][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.992908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.992908][ T72] ___sys_sendmsg+0xee/0x170 [ 383.992908][ T72] __sys_sendmsg+0xcd/0x170 [ 383.992908][ T72] do_syscall_64+0xc6/0x1e0 [ 383.992908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.992908][ T72] [ 383.994613][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 383.994613][ T72] neigh_parms_alloc+0x1e5/0x510 [ 383.994613][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 383.994613][ T72] ipv6_find_idev+0x102/0x170 [ 383.994613][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 383.994613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 383.994613][ T72] netlink_rcv_skb+0x130/0x360 [ 383.994613][ T72] netlink_unicast+0x449/0x710 [ 383.994613][ T72] netlink_sendmsg+0x723/0xbe0 [ 383.994613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 383.994613][ T72] ___sys_sendmsg+0xee/0x170 [ 383.994613][ T72] __sys_sendmsg+0xcd/0x170 [ 383.994613][ T72] do_syscall_64+0xc6/0x1e0 [ 383.994613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 383.994613][ T72] [ 394.192985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 394.193451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 394.193451][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 394.193451][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 394.193451][ T72] fib6_nh_init+0xa22/0x1580 [ 394.193451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.193451][ T72] ip6_route_add+0x1c/0x140 [ 394.193451][ T72] inet6_rtm_newroute+0x104/0x110 [ 394.193451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.193451][ T72] netlink_rcv_skb+0x130/0x360 [ 394.193451][ T72] netlink_unicast+0x449/0x710 [ 394.193451][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.193451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.193451][ T72] ___sys_sendmsg+0xee/0x170 [ 394.193451][ T72] __sys_sendmsg+0xcd/0x170 [ 394.193451][ T72] do_syscall_64+0xc6/0x1e0 [ 394.193451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.193451][ T72] [ 394.195361][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 394.195361][ T72] dst_init+0x84/0x4a0 [ 394.195361][ T72] dst_alloc+0x97/0x150 [ 394.195361][ T72] ip6_dst_alloc+0x23/0x90 [ 394.195361][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 394.195361][ T72] ip6_pol_route+0x56f/0x840 [ 394.195361][ T72] fib6_rule_lookup+0x456/0x630 [ 394.195361][ T72] ip6_route_input+0x59c/0xa50 [ 394.195361][ T72] ipv6_rcv+0x397/0x810 [ 394.195361][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 394.195361][ T72] process_backlog+0x101/0x620 [ 394.195361][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 394.195361][ T72] net_rx_action+0x495/0xbe0 [ 394.195361][ T72] __do_softirq+0x1b5/0x7f6 [ 394.195361][ T72] [ 394.197033][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 394.197033][ T72] netdev_get_by_index+0x5e/0x80 [ 394.197033][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.197033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.197033][ T72] ip6_route_add+0x1c/0x140 [ 394.197033][ T72] addrconf_prefix_route+0x2a6/0x430 [ 394.197033][ T72] inet6_addr_add+0x4f8/0xa40 [ 394.197033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.197033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.197033][ T72] netlink_rcv_skb+0x130/0x360 [ 394.197033][ T72] netlink_unicast+0x449/0x710 [ 394.197033][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.197033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.197033][ T72] ___sys_sendmsg+0xee/0x170 [ 394.197033][ T72] __sys_sendmsg+0xcd/0x170 [ 394.197033][ T72] do_syscall_64+0xc6/0x1e0 [ 394.197033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.197033][ T72] [ 394.199103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 394.199103][ T72] netdev_get_by_index+0x5e/0x80 [ 394.199103][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.199103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.199103][ T72] addrconf_f6i_alloc+0x315/0x560 [ 394.199103][ T72] ipv6_add_addr+0x411/0x2000 [ 394.199103][ T72] inet6_addr_add+0x30e/0xa40 [ 394.199103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.199103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.199103][ T72] netlink_rcv_skb+0x130/0x360 [ 394.199103][ T72] netlink_unicast+0x449/0x710 [ 394.199103][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.199103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.199103][ T72] ___sys_sendmsg+0xee/0x170 [ 394.199103][ T72] __sys_sendmsg+0xcd/0x170 [ 394.199103][ T72] do_syscall_64+0xc6/0x1e0 [ 394.199103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.199103][ T72] [ 394.201172][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 394.201172][ T72] netdev_get_by_index+0x5e/0x80 [ 394.201172][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.201172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.201172][ T72] ip6_route_add+0x1c/0x140 [ 394.201172][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 394.201172][ T72] addrconf_add_dev+0xe2/0x170 [ 394.201172][ T72] inet6_addr_add+0x12f/0xa40 [ 394.201172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.201172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.201172][ T72] netlink_rcv_skb+0x130/0x360 [ 394.201172][ T72] netlink_unicast+0x449/0x710 [ 394.201172][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.201172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.201172][ T72] ___sys_sendmsg+0xee/0x170 [ 394.201172][ T72] __sys_sendmsg+0xcd/0x170 [ 394.201172][ T72] do_syscall_64+0xc6/0x1e0 [ 394.201172][ T72] [ 394.203182][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 394.203182][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 394.203182][ T72] ipv6_find_idev+0x102/0x170 [ 394.203182][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 394.203182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.203182][ T72] netlink_rcv_skb+0x130/0x360 [ 394.203182][ T72] netlink_unicast+0x449/0x710 [ 394.203182][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.203182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.203182][ T72] ___sys_sendmsg+0xee/0x170 [ 394.203182][ T72] __sys_sendmsg+0xcd/0x170 [ 394.203182][ T72] do_syscall_64+0xc6/0x1e0 [ 394.203182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.203182][ T72] [ 394.204759][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 394.204759][ T72] neigh_parms_alloc+0x1e5/0x510 [ 394.204759][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 394.204759][ T72] ipv6_find_idev+0x102/0x170 [ 394.204759][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 394.204759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.204759][ T72] netlink_rcv_skb+0x130/0x360 [ 394.204759][ T72] netlink_unicast+0x449/0x710 [ 394.204759][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.204759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.204759][ T72] ___sys_sendmsg+0xee/0x170 [ 394.204759][ T72] __sys_sendmsg+0xcd/0x170 [ 394.204759][ T72] do_syscall_64+0xc6/0x1e0 [ 394.204759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.204759][ T72] [ 394.206500][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 394.206780][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 394.206780][ T72] dst_init+0x84/0x4a0 [ 394.206780][ T72] dst_alloc+0x97/0x150 [ 394.206780][ T72] ip6_dst_alloc+0x23/0x90 [ 394.206780][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 394.206780][ T72] ip6_pol_route+0x56f/0x840 [ 394.206780][ T72] fib6_rule_lookup+0x456/0x630 [ 394.206780][ T72] ip6_route_input+0x59c/0xa50 [ 394.206780][ T72] ipv6_rcv+0x397/0x810 [ 394.206780][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 394.206780][ T72] process_backlog+0x101/0x620 [ 394.206780][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 394.206780][ T72] net_rx_action+0x495/0xbe0 [ 394.206780][ T72] __do_softirq+0x1b5/0x7f6 [ 394.206780][ T72] [ 394.208467][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 394.208467][ T72] netdev_get_by_index+0x5e/0x80 [ 394.208467][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.208467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.208467][ T72] addrconf_f6i_alloc+0x265/0x560 [ 394.208467][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 394.208467][ T72] addrconf_join_anycast+0x1c0/0x220 [ 394.208467][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 394.208467][ T72] addrconf_dad_completed+0x12b/0xe20 [ 394.208467][ T72] addrconf_dad_begin+0x310/0x670 [ 394.208467][ T72] addrconf_dad_work+0x10b/0xab0 [ 394.208467][ T72] process_one_work+0x84d/0x18a0 [ 394.208467][ T72] worker_thread+0x587/0xd30 [ 394.208467][ T72] kthread+0x28a/0x350 [ 394.208467][ T72] ret_from_fork+0x31/0x70 [ 394.208467][ T72] ret_from_fork_asm+0x1a/0x30 [ 394.208467][ T72] [ 394.210396][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 394.210396][ T72] netdev_get_by_index+0x5e/0x80 [ 394.210396][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.210396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.210396][ T72] ip6_route_add+0x1c/0x140 [ 394.210396][ T72] addrconf_prefix_route+0x2a6/0x430 [ 394.210396][ T72] inet6_addr_add+0x4f8/0xa40 [ 394.210396][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.210396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.210396][ T72] netlink_rcv_skb+0x130/0x360 [ 394.210396][ T72] netlink_unicast+0x449/0x710 [ 394.210396][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.210396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.210396][ T72] ___sys_sendmsg+0xee/0x170 [ 394.210396][ T72] __sys_sendmsg+0xcd/0x170 [ 394.210396][ T72] do_syscall_64+0xc6/0x1e0 [ 394.210396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.210396][ T72] [ 394.212390][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 394.212390][ T72] netdev_get_by_index+0x5e/0x80 [ 394.212390][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.212390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.212390][ T72] addrconf_f6i_alloc+0x315/0x560 [ 394.212390][ T72] ipv6_add_addr+0x411/0x2000 [ 394.212390][ T72] inet6_addr_add+0x30e/0xa40 [ 394.212390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.212390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.212390][ T72] netlink_rcv_skb+0x130/0x360 [ 394.212390][ T72] netlink_unicast+0x449/0x710 [ 394.212390][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.212390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.212390][ T72] ___sys_sendmsg+0xee/0x170 [ 394.212390][ T72] __sys_sendmsg+0xcd/0x170 [ 394.212390][ T72] do_syscall_64+0xc6/0x1e0 [ 394.212390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.212390][ T72] [ 394.214389][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 394.214389][ T72] netdev_get_by_index+0x5e/0x80 [ 394.214389][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.214389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.214389][ T72] ip6_route_add+0x1c/0x140 [ 394.214389][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 394.214389][ T72] addrconf_add_dev+0xe2/0x170 [ 394.214389][ T72] inet6_addr_add+0x12f/0xa40 [ 394.214389][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.214389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.214389][ T72] netlink_rcv_skb+0x130/0x360 [ 394.214389][ T72] netlink_unicast+0x449/0x710 [ 394.214389][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.214389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.214389][ T72] ___sys_sendmsg+0xee/0x170 [ 394.214389][ T72] __sys_sendmsg+0xcd/0x170 [ 394.214389][ T72] do_syscall_64+0xc6/0x1e0 [ 394.214389][ T72] [ 394.216380][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 394.216380][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 394.216380][ T72] ipv6_find_idev+0x102/0x170 [ 394.216380][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 394.216380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.216380][ T72] netlink_rcv_skb+0x130/0x360 [ 394.216380][ T72] netlink_unicast+0x449/0x710 [ 394.216380][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.216380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.216380][ T72] ___sys_sendmsg+0xee/0x170 [ 394.216380][ T72] __sys_sendmsg+0xcd/0x170 [ 394.216380][ T72] do_syscall_64+0xc6/0x1e0 [ 394.216380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.216380][ T72] [ 394.217931][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 394.217931][ T72] neigh_parms_alloc+0x1e5/0x510 [ 394.217931][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 394.217931][ T72] ipv6_find_idev+0x102/0x170 [ 394.217931][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 394.217931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.217931][ T72] netlink_rcv_skb+0x130/0x360 [ 394.217931][ T72] netlink_unicast+0x449/0x710 [ 394.217931][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.217931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.217931][ T72] ___sys_sendmsg+0xee/0x170 [ 394.217931][ T72] __sys_sendmsg+0xcd/0x170 [ 394.217931][ T72] do_syscall_64+0xc6/0x1e0 [ 394.217931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.217931][ T72] [ 394.219807][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 394.220085][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 394.220085][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 394.220085][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 394.220085][ T72] fib6_nh_init+0xa22/0x1580 [ 394.220085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.220085][ T72] ip6_route_add+0x1c/0x140 [ 394.220085][ T72] inet6_rtm_newroute+0x104/0x110 [ 394.220085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.220085][ T72] netlink_rcv_skb+0x130/0x360 [ 394.220085][ T72] netlink_unicast+0x449/0x710 [ 394.220085][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.220085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.220085][ T72] ___sys_sendmsg+0xee/0x170 [ 394.220085][ T72] __sys_sendmsg+0xcd/0x170 [ 394.220085][ T72] do_syscall_64+0xc6/0x1e0 [ 394.220085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.220085][ T72] [ 394.222893][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 394.222893][ T72] dst_init+0x84/0x4a0 [ 394.222893][ T72] dst_alloc+0x97/0x150 [ 394.222893][ T72] ip6_dst_alloc+0x23/0x90 [ 394.222893][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 394.222893][ T72] ip6_pol_route+0x56f/0x840 [ 394.222893][ T72] fib6_rule_lookup+0x456/0x630 [ 394.222893][ T72] ip6_route_input+0x59c/0xa50 [ 394.222893][ T72] ipv6_rcv+0x397/0x810 [ 394.222893][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 394.222893][ T72] process_backlog+0x101/0x620 [ 394.222893][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 394.222893][ T72] net_rx_action+0x495/0xbe0 [ 394.222893][ T72] __do_softirq+0x1b5/0x7f6 [ 394.222893][ T72] [ 394.224740][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 394.224740][ T72] netdev_get_by_index+0x5e/0x80 [ 394.224740][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.224740][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.224740][ T72] ip6_route_add+0x1c/0x140 [ 394.224740][ T72] addrconf_prefix_route+0x2a6/0x430 [ 394.224740][ T72] inet6_addr_add+0x4f8/0xa40 [ 394.224740][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.224740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.224740][ T72] netlink_rcv_skb+0x130/0x360 [ 394.224740][ T72] netlink_unicast+0x449/0x710 [ 394.224740][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.224740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.224740][ T72] ___sys_sendmsg+0xee/0x170 [ 394.224740][ T72] __sys_sendmsg+0xcd/0x170 [ 394.224740][ T72] do_syscall_64+0xc6/0x1e0 [ 394.224740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.224740][ T72] [ 394.226920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 394.226920][ T72] netdev_get_by_index+0x5e/0x80 [ 394.226920][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.226920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.226920][ T72] addrconf_f6i_alloc+0x315/0x560 [ 394.226920][ T72] ipv6_add_addr+0x411/0x2000 [ 394.226920][ T72] inet6_addr_add+0x30e/0xa40 [ 394.226920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.226920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.226920][ T72] netlink_rcv_skb+0x130/0x360 [ 394.226920][ T72] netlink_unicast+0x449/0x710 [ 394.226920][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.226920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.226920][ T72] ___sys_sendmsg+0xee/0x170 [ 394.226920][ T72] __sys_sendmsg+0xcd/0x170 [ 394.226920][ T72] do_syscall_64+0xc6/0x1e0 [ 394.226920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.226920][ T72] [ 394.229174][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 394.229174][ T72] netdev_get_by_index+0x5e/0x80 [ 394.229174][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.229174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.229174][ T72] ip6_route_add+0x1c/0x140 [ 394.229174][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 394.229174][ T72] addrconf_add_dev+0xe2/0x170 [ 394.229174][ T72] inet6_addr_add+0x12f/0xa40 [ 394.229174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.229174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.229174][ T72] netlink_rcv_skb+0x130/0x360 [ 394.229174][ T72] netlink_unicast+0x449/0x710 [ 394.229174][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.229174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.229174][ T72] ___sys_sendmsg+0xee/0x170 [ 394.229174][ T72] __sys_sendmsg+0xcd/0x170 [ 394.229174][ T72] do_syscall_64+0xc6/0x1e0 [ 394.229174][ T72] [ 394.231436][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 394.231436][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 394.231436][ T72] ipv6_find_idev+0x102/0x170 [ 394.231436][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 394.231436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.231436][ T72] netlink_rcv_skb+0x130/0x360 [ 394.231436][ T72] netlink_unicast+0x449/0x710 [ 394.231436][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.231436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.231436][ T72] ___sys_sendmsg+0xee/0x170 [ 394.231436][ T72] __sys_sendmsg+0xcd/0x170 [ 394.231436][ T72] do_syscall_64+0xc6/0x1e0 [ 394.231436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.231436][ T72] [ 394.233166][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 394.233166][ T72] neigh_parms_alloc+0x1e5/0x510 [ 394.233166][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 394.233166][ T72] ipv6_find_idev+0x102/0x170 [ 394.233166][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 394.233166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.233166][ T72] netlink_rcv_skb+0x130/0x360 [ 394.233166][ T72] netlink_unicast+0x449/0x710 [ 394.233166][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.233166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.233166][ T72] ___sys_sendmsg+0xee/0x170 [ 394.233166][ T72] __sys_sendmsg+0xcd/0x170 [ 394.233166][ T72] do_syscall_64+0xc6/0x1e0 [ 394.233166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.233166][ T72] [ 394.235088][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 394.235449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 394.235449][ T72] netdev_get_by_index+0x5e/0x80 [ 394.235449][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.235449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.235449][ T72] addrconf_f6i_alloc+0x265/0x560 [ 394.235449][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 394.235449][ T72] addrconf_join_anycast+0x1c0/0x220 [ 394.235449][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 394.235449][ T72] addrconf_dad_completed+0x12b/0xe20 [ 394.235449][ T72] addrconf_dad_begin+0x310/0x670 [ 394.235449][ T72] addrconf_dad_work+0x10b/0xab0 [ 394.235449][ T72] process_one_work+0x84d/0x18a0 [ 394.235449][ T72] worker_thread+0x587/0xd30 [ 394.235449][ T72] kthread+0x28a/0x350 [ 394.235449][ T72] ret_from_fork+0x31/0x70 [ 394.235449][ T72] ret_from_fork_asm+0x1a/0x30 [ 394.235449][ T72] [ 394.237606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 394.237606][ T72] netdev_get_by_index+0x5e/0x80 [ 394.237606][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.237606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.237606][ T72] ip6_route_add+0x1c/0x140 [ 394.237606][ T72] addrconf_prefix_route+0x2a6/0x430 [ 394.237606][ T72] inet6_addr_add+0x4f8/0xa40 [ 394.237606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.237606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.237606][ T72] netlink_rcv_skb+0x130/0x360 [ 394.237606][ T72] netlink_unicast+0x449/0x710 [ 394.237606][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.237606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.237606][ T72] ___sys_sendmsg+0xee/0x170 [ 394.237606][ T72] __sys_sendmsg+0xcd/0x170 [ 394.237606][ T72] do_syscall_64+0xc6/0x1e0 [ 394.237606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.237606][ T72] [ 394.239840][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 394.239840][ T72] netdev_get_by_index+0x5e/0x80 [ 394.239840][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.239840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.239840][ T72] addrconf_f6i_alloc+0x315/0x560 [ 394.239840][ T72] ipv6_add_addr+0x411/0x2000 [ 394.239840][ T72] inet6_addr_add+0x30e/0xa40 [ 394.239840][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.239840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.239840][ T72] netlink_rcv_skb+0x130/0x360 [ 394.239840][ T72] netlink_unicast+0x449/0x710 [ 394.239840][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.239840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.239840][ T72] ___sys_sendmsg+0xee/0x170 [ 394.239840][ T72] __sys_sendmsg+0xcd/0x170 [ 394.239840][ T72] do_syscall_64+0xc6/0x1e0 [ 394.239840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.239840][ T72] [ 394.242154][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 394.242154][ T72] netdev_get_by_index+0x5e/0x80 [ 394.242154][ T72] fib6_nh_init+0x3d8/0x1580 [ 394.242154][ T72] ip6_route_info_create+0xf18/0x17d0 [ 394.242154][ T72] ip6_route_add+0x1c/0x140 [ 394.242154][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 394.242154][ T72] addrconf_add_dev+0xe2/0x170 [ 394.242154][ T72] inet6_addr_add+0x12f/0xa40 [ 394.242154][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 394.242154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.242154][ T72] netlink_rcv_skb+0x130/0x360 [ 394.242154][ T72] netlink_unicast+0x449/0x710 [ 394.242154][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.242154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.242154][ T72] ___sys_sendmsg+0xee/0x170 [ 394.242154][ T72] __sys_sendmsg+0xcd/0x170 [ 394.242154][ T72] do_syscall_64+0xc6/0x1e0 [ 394.242154][ T72] [ 394.244398][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 394.244398][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 394.244398][ T72] ipv6_find_idev+0x102/0x170 [ 394.244398][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 394.244398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.244398][ T72] netlink_rcv_skb+0x130/0x360 [ 394.244398][ T72] netlink_unicast+0x449/0x710 [ 394.244398][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.244398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.244398][ T72] ___sys_sendmsg+0xee/0x170 [ 394.244398][ T72] __sys_sendmsg+0xcd/0x170 [ 394.244398][ T72] do_syscall_64+0xc6/0x1e0 [ 394.244398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.244398][ T72] [ 394.246138][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 394.246138][ T72] neigh_parms_alloc+0x1e5/0x510 [ 394.246138][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 394.246138][ T72] ipv6_find_idev+0x102/0x170 [ 394.246138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 394.246138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 394.246138][ T72] netlink_rcv_skb+0x130/0x360 [ 394.246138][ T72] netlink_unicast+0x449/0x710 [ 394.246138][ T72] netlink_sendmsg+0x723/0xbe0 [ 394.246138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 394.246138][ T72] ___sys_sendmsg+0xee/0x170 [ 394.246138][ T72] __sys_sendmsg+0xcd/0x170 [ 394.246138][ T72] do_syscall_64+0xc6/0x1e0 [ 394.246138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 394.246138][ T72] [ 404.400995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 404.401447][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 404.401447][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 404.401447][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 404.401447][ T72] fib6_nh_init+0xa22/0x1580 [ 404.401447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.401447][ T72] ip6_route_add+0x1c/0x140 [ 404.401447][ T72] inet6_rtm_newroute+0x104/0x110 [ 404.401447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.401447][ T72] netlink_rcv_skb+0x130/0x360 [ 404.401447][ T72] netlink_unicast+0x449/0x710 [ 404.401447][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.401447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.401447][ T72] ___sys_sendmsg+0xee/0x170 [ 404.401447][ T72] __sys_sendmsg+0xcd/0x170 [ 404.401447][ T72] do_syscall_64+0xc6/0x1e0 [ 404.401447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.401447][ T72] [ 404.403596][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 404.403596][ T72] dst_init+0x84/0x4a0 [ 404.403596][ T72] dst_alloc+0x97/0x150 [ 404.403596][ T72] ip6_dst_alloc+0x23/0x90 [ 404.403596][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 404.403596][ T72] ip6_pol_route+0x56f/0x840 [ 404.403596][ T72] fib6_rule_lookup+0x456/0x630 [ 404.403596][ T72] ip6_route_input+0x59c/0xa50 [ 404.403596][ T72] ipv6_rcv+0x397/0x810 [ 404.403596][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 404.403596][ T72] process_backlog+0x101/0x620 [ 404.403596][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 404.403596][ T72] net_rx_action+0x495/0xbe0 [ 404.403596][ T72] __do_softirq+0x1b5/0x7f6 [ 404.403596][ T72] [ 404.405245][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 404.405245][ T72] netdev_get_by_index+0x5e/0x80 [ 404.405245][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.405245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.405245][ T72] ip6_route_add+0x1c/0x140 [ 404.405245][ T72] addrconf_prefix_route+0x2a6/0x430 [ 404.405245][ T72] inet6_addr_add+0x4f8/0xa40 [ 404.405245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.405245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.405245][ T72] netlink_rcv_skb+0x130/0x360 [ 404.405245][ T72] netlink_unicast+0x449/0x710 [ 404.405245][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.405245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.405245][ T72] ___sys_sendmsg+0xee/0x170 [ 404.405245][ T72] __sys_sendmsg+0xcd/0x170 [ 404.405245][ T72] do_syscall_64+0xc6/0x1e0 [ 404.405245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.405245][ T72] [ 404.407239][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 404.407239][ T72] netdev_get_by_index+0x5e/0x80 [ 404.407239][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.407239][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.407239][ T72] addrconf_f6i_alloc+0x315/0x560 [ 404.407239][ T72] ipv6_add_addr+0x411/0x2000 [ 404.407239][ T72] inet6_addr_add+0x30e/0xa40 [ 404.407239][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.407239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.407239][ T72] netlink_rcv_skb+0x130/0x360 [ 404.407239][ T72] netlink_unicast+0x449/0x710 [ 404.407239][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.407239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.407239][ T72] ___sys_sendmsg+0xee/0x170 [ 404.407239][ T72] __sys_sendmsg+0xcd/0x170 [ 404.407239][ T72] do_syscall_64+0xc6/0x1e0 [ 404.407239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.407239][ T72] [ 404.409227][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 404.409227][ T72] netdev_get_by_index+0x5e/0x80 [ 404.409227][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.409227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.409227][ T72] ip6_route_add+0x1c/0x140 [ 404.409227][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 404.409227][ T72] addrconf_add_dev+0xe2/0x170 [ 404.409227][ T72] inet6_addr_add+0x12f/0xa40 [ 404.409227][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.409227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.409227][ T72] netlink_rcv_skb+0x130/0x360 [ 404.409227][ T72] netlink_unicast+0x449/0x710 [ 404.409227][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.409227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.409227][ T72] ___sys_sendmsg+0xee/0x170 [ 404.409227][ T72] __sys_sendmsg+0xcd/0x170 [ 404.409227][ T72] do_syscall_64+0xc6/0x1e0 [ 404.409227][ T72] [ 404.411177][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 404.411177][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 404.411177][ T72] ipv6_find_idev+0x102/0x170 [ 404.411177][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 404.411177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.411177][ T72] netlink_rcv_skb+0x130/0x360 [ 404.411177][ T72] netlink_unicast+0x449/0x710 [ 404.411177][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.411177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.411177][ T72] ___sys_sendmsg+0xee/0x170 [ 404.411177][ T72] __sys_sendmsg+0xcd/0x170 [ 404.411177][ T72] do_syscall_64+0xc6/0x1e0 [ 404.411177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.411177][ T72] [ 404.412705][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 404.412705][ T72] neigh_parms_alloc+0x1e5/0x510 [ 404.412705][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 404.412705][ T72] ipv6_find_idev+0x102/0x170 [ 404.412705][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 404.412705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.412705][ T72] netlink_rcv_skb+0x130/0x360 [ 404.412705][ T72] netlink_unicast+0x449/0x710 [ 404.412705][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.412705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.412705][ T72] ___sys_sendmsg+0xee/0x170 [ 404.412705][ T72] __sys_sendmsg+0xcd/0x170 [ 404.412705][ T72] do_syscall_64+0xc6/0x1e0 [ 404.412705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.412705][ T72] [ 404.414384][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 404.414652][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 404.414652][ T72] dst_init+0x84/0x4a0 [ 404.414652][ T72] dst_alloc+0x97/0x150 [ 404.414652][ T72] ip6_dst_alloc+0x23/0x90 [ 404.414652][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 404.414652][ T72] ip6_pol_route+0x56f/0x840 [ 404.414652][ T72] fib6_rule_lookup+0x456/0x630 [ 404.414652][ T72] ip6_route_input+0x59c/0xa50 [ 404.414652][ T72] ipv6_rcv+0x397/0x810 [ 404.414652][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 404.414652][ T72] process_backlog+0x101/0x620 [ 404.414652][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 404.414652][ T72] net_rx_action+0x495/0xbe0 [ 404.414652][ T72] __do_softirq+0x1b5/0x7f6 [ 404.414652][ T72] [ 404.416310][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 404.416310][ T72] netdev_get_by_index+0x5e/0x80 [ 404.416310][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.416310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.416310][ T72] addrconf_f6i_alloc+0x265/0x560 [ 404.416310][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 404.416310][ T72] addrconf_join_anycast+0x1c0/0x220 [ 404.416310][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 404.416310][ T72] addrconf_dad_completed+0x12b/0xe20 [ 404.416310][ T72] addrconf_dad_begin+0x310/0x670 [ 404.416310][ T72] addrconf_dad_work+0x10b/0xab0 [ 404.416310][ T72] process_one_work+0x84d/0x18a0 [ 404.416310][ T72] worker_thread+0x587/0xd30 [ 404.416310][ T72] kthread+0x28a/0x350 [ 404.416310][ T72] ret_from_fork+0x31/0x70 [ 404.416310][ T72] ret_from_fork_asm+0x1a/0x30 [ 404.416310][ T72] [ 404.418197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 404.418197][ T72] netdev_get_by_index+0x5e/0x80 [ 404.418197][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.418197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.418197][ T72] ip6_route_add+0x1c/0x140 [ 404.418197][ T72] addrconf_prefix_route+0x2a6/0x430 [ 404.418197][ T72] inet6_addr_add+0x4f8/0xa40 [ 404.418197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.418197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.418197][ T72] netlink_rcv_skb+0x130/0x360 [ 404.418197][ T72] netlink_unicast+0x449/0x710 [ 404.418197][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.418197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.418197][ T72] ___sys_sendmsg+0xee/0x170 [ 404.418197][ T72] __sys_sendmsg+0xcd/0x170 [ 404.418197][ T72] do_syscall_64+0xc6/0x1e0 [ 404.418197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.418197][ T72] [ 404.420172][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 404.420172][ T72] netdev_get_by_index+0x5e/0x80 [ 404.420172][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.420172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.420172][ T72] addrconf_f6i_alloc+0x315/0x560 [ 404.420172][ T72] ipv6_add_addr+0x411/0x2000 [ 404.420172][ T72] inet6_addr_add+0x30e/0xa40 [ 404.420172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.420172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.420172][ T72] netlink_rcv_skb+0x130/0x360 [ 404.420172][ T72] netlink_unicast+0x449/0x710 [ 404.420172][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.420172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.420172][ T72] ___sys_sendmsg+0xee/0x170 [ 404.420172][ T72] __sys_sendmsg+0xcd/0x170 [ 404.420172][ T72] do_syscall_64+0xc6/0x1e0 [ 404.420172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.420172][ T72] [ 404.422151][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 404.422151][ T72] netdev_get_by_index+0x5e/0x80 [ 404.422151][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.422151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.422151][ T72] ip6_route_add+0x1c/0x140 [ 404.422151][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 404.422151][ T72] addrconf_add_dev+0xe2/0x170 [ 404.422151][ T72] inet6_addr_add+0x12f/0xa40 [ 404.422151][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.422151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.422151][ T72] netlink_rcv_skb+0x130/0x360 [ 404.422151][ T72] netlink_unicast+0x449/0x710 [ 404.422151][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.422151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.422151][ T72] ___sys_sendmsg+0xee/0x170 [ 404.422151][ T72] __sys_sendmsg+0xcd/0x170 [ 404.422151][ T72] do_syscall_64+0xc6/0x1e0 [ 404.422151][ T72] [ 404.424103][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 404.424103][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 404.424103][ T72] ipv6_find_idev+0x102/0x170 [ 404.424103][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 404.424103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.424103][ T72] netlink_rcv_skb+0x130/0x360 [ 404.424103][ T72] netlink_unicast+0x449/0x710 [ 404.424103][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.424103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.424103][ T72] ___sys_sendmsg+0xee/0x170 [ 404.424103][ T72] __sys_sendmsg+0xcd/0x170 [ 404.424103][ T72] do_syscall_64+0xc6/0x1e0 [ 404.424103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.424103][ T72] [ 404.425628][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 404.425628][ T72] neigh_parms_alloc+0x1e5/0x510 [ 404.425628][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 404.425628][ T72] ipv6_find_idev+0x102/0x170 [ 404.425628][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 404.425628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.425628][ T72] netlink_rcv_skb+0x130/0x360 [ 404.425628][ T72] netlink_unicast+0x449/0x710 [ 404.425628][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.425628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.425628][ T72] ___sys_sendmsg+0xee/0x170 [ 404.425628][ T72] __sys_sendmsg+0xcd/0x170 [ 404.425628][ T72] do_syscall_64+0xc6/0x1e0 [ 404.425628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.425628][ T72] [ 404.427384][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 404.427707][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 404.427707][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 404.427707][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 404.427707][ T72] fib6_nh_init+0xa22/0x1580 [ 404.427707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.427707][ T72] ip6_route_add+0x1c/0x140 [ 404.427707][ T72] inet6_rtm_newroute+0x104/0x110 [ 404.427707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.427707][ T72] netlink_rcv_skb+0x130/0x360 [ 404.427707][ T72] netlink_unicast+0x449/0x710 [ 404.427707][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.427707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.427707][ T72] ___sys_sendmsg+0xee/0x170 [ 404.427707][ T72] __sys_sendmsg+0xcd/0x170 [ 404.427707][ T72] do_syscall_64+0xc6/0x1e0 [ 404.427707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.427707][ T72] [ 404.429819][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 404.429819][ T72] dst_init+0x84/0x4a0 [ 404.429819][ T72] dst_alloc+0x97/0x150 [ 404.429819][ T72] ip6_dst_alloc+0x23/0x90 [ 404.429819][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 404.429819][ T72] ip6_pol_route+0x56f/0x840 [ 404.429819][ T72] fib6_rule_lookup+0x456/0x630 [ 404.429819][ T72] ip6_route_input+0x59c/0xa50 [ 404.429819][ T72] ipv6_rcv+0x397/0x810 [ 404.429819][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 404.429819][ T72] process_backlog+0x101/0x620 [ 404.429819][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 404.429819][ T72] net_rx_action+0x495/0xbe0 [ 404.429819][ T72] __do_softirq+0x1b5/0x7f6 [ 404.429819][ T72] [ 404.431633][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 404.431633][ T72] netdev_get_by_index+0x5e/0x80 [ 404.431633][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.431633][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.431633][ T72] ip6_route_add+0x1c/0x140 [ 404.431633][ T72] addrconf_prefix_route+0x2a6/0x430 [ 404.431633][ T72] inet6_addr_add+0x4f8/0xa40 [ 404.431633][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.431633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.431633][ T72] netlink_rcv_skb+0x130/0x360 [ 404.431633][ T72] netlink_unicast+0x449/0x710 [ 404.431633][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.431633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.431633][ T72] ___sys_sendmsg+0xee/0x170 [ 404.431633][ T72] __sys_sendmsg+0xcd/0x170 [ 404.431633][ T72] do_syscall_64+0xc6/0x1e0 [ 404.431633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.431633][ T72] [ 404.433871][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 404.433871][ T72] netdev_get_by_index+0x5e/0x80 [ 404.433871][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.433871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.433871][ T72] addrconf_f6i_alloc+0x315/0x560 [ 404.433871][ T72] ipv6_add_addr+0x411/0x2000 [ 404.433871][ T72] inet6_addr_add+0x30e/0xa40 [ 404.433871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.433871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.433871][ T72] netlink_rcv_skb+0x130/0x360 [ 404.433871][ T72] netlink_unicast+0x449/0x710 [ 404.433871][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.433871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.433871][ T72] ___sys_sendmsg+0xee/0x170 [ 404.433871][ T72] __sys_sendmsg+0xcd/0x170 [ 404.433871][ T72] do_syscall_64+0xc6/0x1e0 [ 404.433871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.433871][ T72] [ 404.436057][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 404.436057][ T72] netdev_get_by_index+0x5e/0x80 [ 404.436057][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.436057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.436057][ T72] ip6_route_add+0x1c/0x140 [ 404.436057][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 404.436057][ T72] addrconf_add_dev+0xe2/0x170 [ 404.436057][ T72] inet6_addr_add+0x12f/0xa40 [ 404.436057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.436057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.436057][ T72] netlink_rcv_skb+0x130/0x360 [ 404.436057][ T72] netlink_unicast+0x449/0x710 [ 404.436057][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.436057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.436057][ T72] ___sys_sendmsg+0xee/0x170 [ 404.436057][ T72] __sys_sendmsg+0xcd/0x170 [ 404.436057][ T72] do_syscall_64+0xc6/0x1e0 [ 404.436057][ T72] [ 404.438454][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 404.438454][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 404.438454][ T72] ipv6_find_idev+0x102/0x170 [ 404.438454][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 404.438454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.438454][ T72] netlink_rcv_skb+0x130/0x360 [ 404.438454][ T72] netlink_unicast+0x449/0x710 [ 404.438454][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.438454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.438454][ T72] ___sys_sendmsg+0xee/0x170 [ 404.438454][ T72] __sys_sendmsg+0xcd/0x170 [ 404.438454][ T72] do_syscall_64+0xc6/0x1e0 [ 404.438454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.438454][ T72] [ 404.440596][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 404.440596][ T72] neigh_parms_alloc+0x1e5/0x510 [ 404.440596][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 404.440596][ T72] ipv6_find_idev+0x102/0x170 [ 404.440596][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 404.440596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.440596][ T72] netlink_rcv_skb+0x130/0x360 [ 404.440596][ T72] netlink_unicast+0x449/0x710 [ 404.440596][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.440596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.440596][ T72] ___sys_sendmsg+0xee/0x170 [ 404.440596][ T72] __sys_sendmsg+0xcd/0x170 [ 404.440596][ T72] do_syscall_64+0xc6/0x1e0 [ 404.440596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.440596][ T72] [ 404.442950][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 404.443373][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 404.443373][ T72] netdev_get_by_index+0x5e/0x80 [ 404.443373][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.443373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.443373][ T72] addrconf_f6i_alloc+0x265/0x560 [ 404.443373][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 404.443373][ T72] addrconf_join_anycast+0x1c0/0x220 [ 404.443373][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 404.443373][ T72] addrconf_dad_completed+0x12b/0xe20 [ 404.443373][ T72] addrconf_dad_begin+0x310/0x670 [ 404.443373][ T72] addrconf_dad_work+0x10b/0xab0 [ 404.443373][ T72] process_one_work+0x84d/0x18a0 [ 404.443373][ T72] worker_thread+0x587/0xd30 [ 404.443373][ T72] kthread+0x28a/0x350 [ 404.443373][ T72] ret_from_fork+0x31/0x70 [ 404.443373][ T72] ret_from_fork_asm+0x1a/0x30 [ 404.443373][ T72] [ 404.445969][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 404.445969][ T72] netdev_get_by_index+0x5e/0x80 [ 404.445969][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.445969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.445969][ T72] ip6_route_add+0x1c/0x140 [ 404.445969][ T72] addrconf_prefix_route+0x2a6/0x430 [ 404.445969][ T72] inet6_addr_add+0x4f8/0xa40 [ 404.445969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.445969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.445969][ T72] netlink_rcv_skb+0x130/0x360 [ 404.445969][ T72] netlink_unicast+0x449/0x710 [ 404.445969][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.445969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.445969][ T72] ___sys_sendmsg+0xee/0x170 [ 404.445969][ T72] __sys_sendmsg+0xcd/0x170 [ 404.445969][ T72] do_syscall_64+0xc6/0x1e0 [ 404.445969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.445969][ T72] [ 404.448774][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 404.448774][ T72] netdev_get_by_index+0x5e/0x80 [ 404.448774][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.448774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.448774][ T72] addrconf_f6i_alloc+0x315/0x560 [ 404.448774][ T72] ipv6_add_addr+0x411/0x2000 [ 404.448774][ T72] inet6_addr_add+0x30e/0xa40 [ 404.448774][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.448774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.448774][ T72] netlink_rcv_skb+0x130/0x360 [ 404.448774][ T72] netlink_unicast+0x449/0x710 [ 404.448774][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.448774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.448774][ T72] ___sys_sendmsg+0xee/0x170 [ 404.448774][ T72] __sys_sendmsg+0xcd/0x170 [ 404.448774][ T72] do_syscall_64+0xc6/0x1e0 [ 404.448774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.448774][ T72] [ 404.451096][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 404.451096][ T72] netdev_get_by_index+0x5e/0x80 [ 404.451096][ T72] fib6_nh_init+0x3d8/0x1580 [ 404.451096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 404.451096][ T72] ip6_route_add+0x1c/0x140 [ 404.451096][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 404.451096][ T72] addrconf_add_dev+0xe2/0x170 [ 404.451096][ T72] inet6_addr_add+0x12f/0xa40 [ 404.451096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 404.451096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.451096][ T72] netlink_rcv_skb+0x130/0x360 [ 404.451096][ T72] netlink_unicast+0x449/0x710 [ 404.451096][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.451096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.451096][ T72] ___sys_sendmsg+0xee/0x170 [ 404.451096][ T72] __sys_sendmsg+0xcd/0x170 [ 404.451096][ T72] do_syscall_64+0xc6/0x1e0 [ 404.451096][ T72] [ 404.453277][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 404.453277][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 404.453277][ T72] ipv6_find_idev+0x102/0x170 [ 404.453277][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 404.453277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.453277][ T72] netlink_rcv_skb+0x130/0x360 [ 404.453277][ T72] netlink_unicast+0x449/0x710 [ 404.453277][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.453277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.453277][ T72] ___sys_sendmsg+0xee/0x170 [ 404.453277][ T72] __sys_sendmsg+0xcd/0x170 [ 404.453277][ T72] do_syscall_64+0xc6/0x1e0 [ 404.453277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.453277][ T72] [ 404.454986][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 404.454986][ T72] neigh_parms_alloc+0x1e5/0x510 [ 404.454986][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 404.454986][ T72] ipv6_find_idev+0x102/0x170 [ 404.454986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 404.454986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 404.454986][ T72] netlink_rcv_skb+0x130/0x360 [ 404.454986][ T72] netlink_unicast+0x449/0x710 [ 404.454986][ T72] netlink_sendmsg+0x723/0xbe0 [ 404.454986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 404.454986][ T72] ___sys_sendmsg+0xee/0x170 [ 404.454986][ T72] __sys_sendmsg+0xcd/0x170 [ 404.454986][ T72] do_syscall_64+0xc6/0x1e0 [ 404.454986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 404.454986][ T72] [ 414.656924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 414.657439][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 414.657439][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 414.657439][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 414.657439][ T72] fib6_nh_init+0xa22/0x1580 [ 414.657439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.657439][ T72] ip6_route_add+0x1c/0x140 [ 414.657439][ T72] inet6_rtm_newroute+0x104/0x110 [ 414.657439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.657439][ T72] netlink_rcv_skb+0x130/0x360 [ 414.657439][ T72] netlink_unicast+0x449/0x710 [ 414.657439][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.657439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.657439][ T72] ___sys_sendmsg+0xee/0x170 [ 414.657439][ T72] __sys_sendmsg+0xcd/0x170 [ 414.657439][ T72] do_syscall_64+0xc6/0x1e0 [ 414.657439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.657439][ T72] [ 414.659325][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 414.659325][ T72] dst_init+0x84/0x4a0 [ 414.659325][ T72] dst_alloc+0x97/0x150 [ 414.659325][ T72] ip6_dst_alloc+0x23/0x90 [ 414.659325][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 414.659325][ T72] ip6_pol_route+0x56f/0x840 [ 414.659325][ T72] fib6_rule_lookup+0x456/0x630 [ 414.659325][ T72] ip6_route_input+0x59c/0xa50 [ 414.659325][ T72] ipv6_rcv+0x397/0x810 [ 414.659325][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 414.659325][ T72] process_backlog+0x101/0x620 [ 414.659325][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 414.659325][ T72] net_rx_action+0x495/0xbe0 [ 414.659325][ T72] __do_softirq+0x1b5/0x7f6 [ 414.659325][ T72] [ 414.661027][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 414.661027][ T72] netdev_get_by_index+0x5e/0x80 [ 414.661027][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.661027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.661027][ T72] ip6_route_add+0x1c/0x140 [ 414.661027][ T72] addrconf_prefix_route+0x2a6/0x430 [ 414.661027][ T72] inet6_addr_add+0x4f8/0xa40 [ 414.661027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.661027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.661027][ T72] netlink_rcv_skb+0x130/0x360 [ 414.661027][ T72] netlink_unicast+0x449/0x710 [ 414.661027][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.661027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.661027][ T72] ___sys_sendmsg+0xee/0x170 [ 414.661027][ T72] __sys_sendmsg+0xcd/0x170 [ 414.661027][ T72] do_syscall_64+0xc6/0x1e0 [ 414.661027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.661027][ T72] [ 414.663016][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 414.663016][ T72] netdev_get_by_index+0x5e/0x80 [ 414.663016][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.663016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.663016][ T72] addrconf_f6i_alloc+0x315/0x560 [ 414.663016][ T72] ipv6_add_addr+0x411/0x2000 [ 414.663016][ T72] inet6_addr_add+0x30e/0xa40 [ 414.663016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.663016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.663016][ T72] netlink_rcv_skb+0x130/0x360 [ 414.663016][ T72] netlink_unicast+0x449/0x710 [ 414.663016][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.663016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.663016][ T72] ___sys_sendmsg+0xee/0x170 [ 414.663016][ T72] __sys_sendmsg+0xcd/0x170 [ 414.663016][ T72] do_syscall_64+0xc6/0x1e0 [ 414.663016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.663016][ T72] [ 414.664997][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 414.664997][ T72] netdev_get_by_index+0x5e/0x80 [ 414.664997][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.664997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.664997][ T72] ip6_route_add+0x1c/0x140 [ 414.664997][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 414.664997][ T72] addrconf_add_dev+0xe2/0x170 [ 414.664997][ T72] inet6_addr_add+0x12f/0xa40 [ 414.664997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.664997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.664997][ T72] netlink_rcv_skb+0x130/0x360 [ 414.664997][ T72] netlink_unicast+0x449/0x710 [ 414.664997][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.664997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.664997][ T72] ___sys_sendmsg+0xee/0x170 [ 414.664997][ T72] __sys_sendmsg+0xcd/0x170 [ 414.664997][ T72] do_syscall_64+0xc6/0x1e0 [ 414.664997][ T72] [ 414.666943][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 414.666943][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 414.666943][ T72] ipv6_find_idev+0x102/0x170 [ 414.666943][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 414.666943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.666943][ T72] netlink_rcv_skb+0x130/0x360 [ 414.666943][ T72] netlink_unicast+0x449/0x710 [ 414.666943][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.666943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.666943][ T72] ___sys_sendmsg+0xee/0x170 [ 414.666943][ T72] __sys_sendmsg+0xcd/0x170 [ 414.666943][ T72] do_syscall_64+0xc6/0x1e0 [ 414.666943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.666943][ T72] [ 414.668460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 414.668460][ T72] neigh_parms_alloc+0x1e5/0x510 [ 414.668460][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 414.668460][ T72] ipv6_find_idev+0x102/0x170 [ 414.668460][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 414.668460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.668460][ T72] netlink_rcv_skb+0x130/0x360 [ 414.668460][ T72] netlink_unicast+0x449/0x710 [ 414.668460][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.668460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.668460][ T72] ___sys_sendmsg+0xee/0x170 [ 414.668460][ T72] __sys_sendmsg+0xcd/0x170 [ 414.668460][ T72] do_syscall_64+0xc6/0x1e0 [ 414.668460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.668460][ T72] [ 414.670149][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 414.670422][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 414.670422][ T72] dst_init+0x84/0x4a0 [ 414.670422][ T72] dst_alloc+0x97/0x150 [ 414.670422][ T72] ip6_dst_alloc+0x23/0x90 [ 414.670422][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 414.670422][ T72] ip6_pol_route+0x56f/0x840 [ 414.670422][ T72] fib6_rule_lookup+0x456/0x630 [ 414.670422][ T72] ip6_route_input+0x59c/0xa50 [ 414.670422][ T72] ipv6_rcv+0x397/0x810 [ 414.670422][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 414.670422][ T72] process_backlog+0x101/0x620 [ 414.670422][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 414.670422][ T72] net_rx_action+0x495/0xbe0 [ 414.670422][ T72] __do_softirq+0x1b5/0x7f6 [ 414.670422][ T72] [ 414.672050][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 414.672050][ T72] netdev_get_by_index+0x5e/0x80 [ 414.672050][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.672050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.672050][ T72] addrconf_f6i_alloc+0x265/0x560 [ 414.672050][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 414.672050][ T72] addrconf_join_anycast+0x1c0/0x220 [ 414.672050][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 414.672050][ T72] addrconf_dad_completed+0x12b/0xe20 [ 414.672050][ T72] addrconf_dad_begin+0x310/0x670 [ 414.672050][ T72] addrconf_dad_work+0x10b/0xab0 [ 414.672050][ T72] process_one_work+0x84d/0x18a0 [ 414.672050][ T72] worker_thread+0x587/0xd30 [ 414.672050][ T72] kthread+0x28a/0x350 [ 414.672050][ T72] ret_from_fork+0x31/0x70 [ 414.672050][ T72] ret_from_fork_asm+0x1a/0x30 [ 414.672050][ T72] [ 414.673936][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 414.673936][ T72] netdev_get_by_index+0x5e/0x80 [ 414.673936][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.673936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.673936][ T72] ip6_route_add+0x1c/0x140 [ 414.673936][ T72] addrconf_prefix_route+0x2a6/0x430 [ 414.673936][ T72] inet6_addr_add+0x4f8/0xa40 [ 414.673936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.673936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.673936][ T72] netlink_rcv_skb+0x130/0x360 [ 414.673936][ T72] netlink_unicast+0x449/0x710 [ 414.673936][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.673936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.673936][ T72] ___sys_sendmsg+0xee/0x170 [ 414.673936][ T72] __sys_sendmsg+0xcd/0x170 [ 414.673936][ T72] do_syscall_64+0xc6/0x1e0 [ 414.673936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.673936][ T72] [ 414.675941][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 414.675941][ T72] netdev_get_by_index+0x5e/0x80 [ 414.675941][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.675941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.675941][ T72] addrconf_f6i_alloc+0x315/0x560 [ 414.675941][ T72] ipv6_add_addr+0x411/0x2000 [ 414.675941][ T72] inet6_addr_add+0x30e/0xa40 [ 414.675941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.675941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.675941][ T72] netlink_rcv_skb+0x130/0x360 [ 414.675941][ T72] netlink_unicast+0x449/0x710 [ 414.675941][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.675941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.675941][ T72] ___sys_sendmsg+0xee/0x170 [ 414.675941][ T72] __sys_sendmsg+0xcd/0x170 [ 414.675941][ T72] do_syscall_64+0xc6/0x1e0 [ 414.675941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.675941][ T72] [ 414.678012][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 414.678012][ T72] netdev_get_by_index+0x5e/0x80 [ 414.678012][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.678012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.678012][ T72] ip6_route_add+0x1c/0x140 [ 414.678012][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 414.678012][ T72] addrconf_add_dev+0xe2/0x170 [ 414.678012][ T72] inet6_addr_add+0x12f/0xa40 [ 414.678012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.678012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.678012][ T72] netlink_rcv_skb+0x130/0x360 [ 414.678012][ T72] netlink_unicast+0x449/0x710 [ 414.678012][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.678012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.678012][ T72] ___sys_sendmsg+0xee/0x170 [ 414.678012][ T72] __sys_sendmsg+0xcd/0x170 [ 414.678012][ T72] do_syscall_64+0xc6/0x1e0 [ 414.678012][ T72] [ 414.679975][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 414.679975][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 414.679975][ T72] ipv6_find_idev+0x102/0x170 [ 414.679975][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 414.679975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.679975][ T72] netlink_rcv_skb+0x130/0x360 [ 414.679975][ T72] netlink_unicast+0x449/0x710 [ 414.679975][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.679975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.679975][ T72] ___sys_sendmsg+0xee/0x170 [ 414.679975][ T72] __sys_sendmsg+0xcd/0x170 [ 414.679975][ T72] do_syscall_64+0xc6/0x1e0 [ 414.679975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.679975][ T72] [ 414.681880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 414.681880][ T72] neigh_parms_alloc+0x1e5/0x510 [ 414.681880][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 414.681880][ T72] ipv6_find_idev+0x102/0x170 [ 414.681880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 414.681880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.681880][ T72] netlink_rcv_skb+0x130/0x360 [ 414.681880][ T72] netlink_unicast+0x449/0x710 [ 414.681880][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.681880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.681880][ T72] ___sys_sendmsg+0xee/0x170 [ 414.681880][ T72] __sys_sendmsg+0xcd/0x170 [ 414.681880][ T72] do_syscall_64+0xc6/0x1e0 [ 414.681880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.681880][ T72] [ 414.683612][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 414.683908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 414.683908][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 414.683908][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 414.683908][ T72] fib6_nh_init+0xa22/0x1580 [ 414.683908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.683908][ T72] ip6_route_add+0x1c/0x140 [ 414.683908][ T72] inet6_rtm_newroute+0x104/0x110 [ 414.683908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.683908][ T72] netlink_rcv_skb+0x130/0x360 [ 414.683908][ T72] netlink_unicast+0x449/0x710 [ 414.683908][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.683908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.683908][ T72] ___sys_sendmsg+0xee/0x170 [ 414.683908][ T72] __sys_sendmsg+0xcd/0x170 [ 414.683908][ T72] do_syscall_64+0xc6/0x1e0 [ 414.683908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.683908][ T72] [ 414.685963][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 414.685963][ T72] dst_init+0x84/0x4a0 [ 414.685963][ T72] dst_alloc+0x97/0x150 [ 414.685963][ T72] ip6_dst_alloc+0x23/0x90 [ 414.685963][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 414.685963][ T72] ip6_pol_route+0x56f/0x840 [ 414.685963][ T72] fib6_rule_lookup+0x456/0x630 [ 414.685963][ T72] ip6_route_input+0x59c/0xa50 [ 414.685963][ T72] ipv6_rcv+0x397/0x810 [ 414.685963][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 414.685963][ T72] process_backlog+0x101/0x620 [ 414.685963][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 414.685963][ T72] net_rx_action+0x495/0xbe0 [ 414.685963][ T72] __do_softirq+0x1b5/0x7f6 [ 414.685963][ T72] [ 414.688114][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 414.688114][ T72] netdev_get_by_index+0x5e/0x80 [ 414.688114][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.688114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.688114][ T72] ip6_route_add+0x1c/0x140 [ 414.688114][ T72] addrconf_prefix_route+0x2a6/0x430 [ 414.688114][ T72] inet6_addr_add+0x4f8/0xa40 [ 414.688114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.688114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.688114][ T72] netlink_rcv_skb+0x130/0x360 [ 414.688114][ T72] netlink_unicast+0x449/0x710 [ 414.688114][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.688114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.688114][ T72] ___sys_sendmsg+0xee/0x170 [ 414.688114][ T72] __sys_sendmsg+0xcd/0x170 [ 414.688114][ T72] do_syscall_64+0xc6/0x1e0 [ 414.688114][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.688114][ T72] [ 414.690739][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 414.690739][ T72] netdev_get_by_index+0x5e/0x80 [ 414.690739][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.690739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.690739][ T72] addrconf_f6i_alloc+0x315/0x560 [ 414.690739][ T72] ipv6_add_addr+0x411/0x2000 [ 414.690739][ T72] inet6_addr_add+0x30e/0xa40 [ 414.690739][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.690739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.690739][ T72] netlink_rcv_skb+0x130/0x360 [ 414.690739][ T72] netlink_unicast+0x449/0x710 [ 414.690739][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.690739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.690739][ T72] ___sys_sendmsg+0xee/0x170 [ 414.690739][ T72] __sys_sendmsg+0xcd/0x170 [ 414.690739][ T72] do_syscall_64+0xc6/0x1e0 [ 414.690739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.690739][ T72] [ 414.693360][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 414.693360][ T72] netdev_get_by_index+0x5e/0x80 [ 414.693360][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.693360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.693360][ T72] ip6_route_add+0x1c/0x140 [ 414.693360][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 414.693360][ T72] addrconf_add_dev+0xe2/0x170 [ 414.693360][ T72] inet6_addr_add+0x12f/0xa40 [ 414.693360][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.693360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.693360][ T72] netlink_rcv_skb+0x130/0x360 [ 414.693360][ T72] netlink_unicast+0x449/0x710 [ 414.693360][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.693360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.693360][ T72] ___sys_sendmsg+0xee/0x170 [ 414.693360][ T72] __sys_sendmsg+0xcd/0x170 [ 414.693360][ T72] do_syscall_64+0xc6/0x1e0 [ 414.693360][ T72] [ 414.696082][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 414.696082][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 414.696082][ T72] ipv6_find_idev+0x102/0x170 [ 414.696082][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 414.696082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.696082][ T72] netlink_rcv_skb+0x130/0x360 [ 414.696082][ T72] netlink_unicast+0x449/0x710 [ 414.696082][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.696082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.696082][ T72] ___sys_sendmsg+0xee/0x170 [ 414.696082][ T72] __sys_sendmsg+0xcd/0x170 [ 414.696082][ T72] do_syscall_64+0xc6/0x1e0 [ 414.696082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.696082][ T72] [ 414.697844][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 414.697844][ T72] neigh_parms_alloc+0x1e5/0x510 [ 414.697844][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 414.697844][ T72] ipv6_find_idev+0x102/0x170 [ 414.697844][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 414.697844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.697844][ T72] netlink_rcv_skb+0x130/0x360 [ 414.697844][ T72] netlink_unicast+0x449/0x710 [ 414.697844][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.697844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.697844][ T72] ___sys_sendmsg+0xee/0x170 [ 414.697844][ T72] __sys_sendmsg+0xcd/0x170 [ 414.697844][ T72] do_syscall_64+0xc6/0x1e0 [ 414.697844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.697844][ T72] [ 414.699646][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 414.700361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 414.700361][ T72] netdev_get_by_index+0x5e/0x80 [ 414.700361][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.700361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.700361][ T72] addrconf_f6i_alloc+0x265/0x560 [ 414.700361][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 414.700361][ T72] addrconf_join_anycast+0x1c0/0x220 [ 414.700361][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 414.700361][ T72] addrconf_dad_completed+0x12b/0xe20 [ 414.700361][ T72] addrconf_dad_begin+0x310/0x670 [ 414.700361][ T72] addrconf_dad_work+0x10b/0xab0 [ 414.700361][ T72] process_one_work+0x84d/0x18a0 [ 414.700361][ T72] worker_thread+0x587/0xd30 [ 414.700361][ T72] kthread+0x28a/0x350 [ 414.700361][ T72] ret_from_fork+0x31/0x70 [ 414.700361][ T72] ret_from_fork_asm+0x1a/0x30 [ 414.700361][ T72] [ 414.702245][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 414.702245][ T72] netdev_get_by_index+0x5e/0x80 [ 414.702245][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.702245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.702245][ T72] ip6_route_add+0x1c/0x140 [ 414.702245][ T72] addrconf_prefix_route+0x2a6/0x430 [ 414.702245][ T72] inet6_addr_add+0x4f8/0xa40 [ 414.702245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.702245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.702245][ T72] netlink_rcv_skb+0x130/0x360 [ 414.702245][ T72] netlink_unicast+0x449/0x710 [ 414.702245][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.702245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.702245][ T72] ___sys_sendmsg+0xee/0x170 [ 414.702245][ T72] __sys_sendmsg+0xcd/0x170 [ 414.702245][ T72] do_syscall_64+0xc6/0x1e0 [ 414.702245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.702245][ T72] [ 414.704280][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 414.704280][ T72] netdev_get_by_index+0x5e/0x80 [ 414.704280][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.704280][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.704280][ T72] addrconf_f6i_alloc+0x315/0x560 [ 414.704280][ T72] ipv6_add_addr+0x411/0x2000 [ 414.704280][ T72] inet6_addr_add+0x30e/0xa40 [ 414.704280][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.704280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.704280][ T72] netlink_rcv_skb+0x130/0x360 [ 414.704280][ T72] netlink_unicast+0x449/0x710 [ 414.704280][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.704280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.704280][ T72] ___sys_sendmsg+0xee/0x170 [ 414.704280][ T72] __sys_sendmsg+0xcd/0x170 [ 414.704280][ T72] do_syscall_64+0xc6/0x1e0 [ 414.704280][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.704280][ T72] [ 414.706384][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 414.706384][ T72] netdev_get_by_index+0x5e/0x80 [ 414.706384][ T72] fib6_nh_init+0x3d8/0x1580 [ 414.706384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 414.706384][ T72] ip6_route_add+0x1c/0x140 [ 414.706384][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 414.706384][ T72] addrconf_add_dev+0xe2/0x170 [ 414.706384][ T72] inet6_addr_add+0x12f/0xa40 [ 414.706384][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 414.706384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.706384][ T72] netlink_rcv_skb+0x130/0x360 [ 414.706384][ T72] netlink_unicast+0x449/0x710 [ 414.706384][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.706384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.706384][ T72] ___sys_sendmsg+0xee/0x170 [ 414.706384][ T72] __sys_sendmsg+0xcd/0x170 [ 414.706384][ T72] do_syscall_64+0xc6/0x1e0 [ 414.706384][ T72] [ 414.708456][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 414.708456][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 414.708456][ T72] ipv6_find_idev+0x102/0x170 [ 414.708456][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 414.708456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.708456][ T72] netlink_rcv_skb+0x130/0x360 [ 414.708456][ T72] netlink_unicast+0x449/0x710 [ 414.708456][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.708456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.708456][ T72] ___sys_sendmsg+0xee/0x170 [ 414.708456][ T72] __sys_sendmsg+0xcd/0x170 [ 414.708456][ T72] do_syscall_64+0xc6/0x1e0 [ 414.708456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.708456][ T72] [ 414.710050][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 414.710050][ T72] neigh_parms_alloc+0x1e5/0x510 [ 414.710050][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 414.710050][ T72] ipv6_find_idev+0x102/0x170 [ 414.710050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 414.710050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 414.710050][ T72] netlink_rcv_skb+0x130/0x360 [ 414.710050][ T72] netlink_unicast+0x449/0x710 [ 414.710050][ T72] netlink_sendmsg+0x723/0xbe0 [ 414.710050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 414.710050][ T72] ___sys_sendmsg+0xee/0x170 [ 414.710050][ T72] __sys_sendmsg+0xcd/0x170 [ 414.710050][ T72] do_syscall_64+0xc6/0x1e0 [ 414.710050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 414.710050][ T72] [ 424.912985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 424.913425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 424.913425][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 424.913425][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 424.913425][ T72] fib6_nh_init+0xa22/0x1580 [ 424.913425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.913425][ T72] ip6_route_add+0x1c/0x140 [ 424.913425][ T72] inet6_rtm_newroute+0x104/0x110 [ 424.913425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.913425][ T72] netlink_rcv_skb+0x130/0x360 [ 424.913425][ T72] netlink_unicast+0x449/0x710 [ 424.913425][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.913425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.913425][ T72] ___sys_sendmsg+0xee/0x170 [ 424.913425][ T72] __sys_sendmsg+0xcd/0x170 [ 424.913425][ T72] do_syscall_64+0xc6/0x1e0 [ 424.913425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.913425][ T72] [ 424.915308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 424.915308][ T72] dst_init+0x84/0x4a0 [ 424.915308][ T72] dst_alloc+0x97/0x150 [ 424.915308][ T72] ip6_dst_alloc+0x23/0x90 [ 424.915308][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 424.915308][ T72] ip6_pol_route+0x56f/0x840 [ 424.915308][ T72] fib6_rule_lookup+0x456/0x630 [ 424.915308][ T72] ip6_route_input+0x59c/0xa50 [ 424.915308][ T72] ipv6_rcv+0x397/0x810 [ 424.915308][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 424.915308][ T72] process_backlog+0x101/0x620 [ 424.915308][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 424.915308][ T72] net_rx_action+0x495/0xbe0 [ 424.915308][ T72] __do_softirq+0x1b5/0x7f6 [ 424.915308][ T72] [ 424.916941][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 424.916941][ T72] netdev_get_by_index+0x5e/0x80 [ 424.916941][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.916941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.916941][ T72] ip6_route_add+0x1c/0x140 [ 424.916941][ T72] addrconf_prefix_route+0x2a6/0x430 [ 424.916941][ T72] inet6_addr_add+0x4f8/0xa40 [ 424.916941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.916941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.916941][ T72] netlink_rcv_skb+0x130/0x360 [ 424.916941][ T72] netlink_unicast+0x449/0x710 [ 424.916941][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.916941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.916941][ T72] ___sys_sendmsg+0xee/0x170 [ 424.916941][ T72] __sys_sendmsg+0xcd/0x170 [ 424.916941][ T72] do_syscall_64+0xc6/0x1e0 [ 424.916941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.916941][ T72] [ 424.918922][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 424.918922][ T72] netdev_get_by_index+0x5e/0x80 [ 424.918922][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.918922][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.918922][ T72] addrconf_f6i_alloc+0x315/0x560 [ 424.918922][ T72] ipv6_add_addr+0x411/0x2000 [ 424.918922][ T72] inet6_addr_add+0x30e/0xa40 [ 424.918922][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.918922][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.918922][ T72] netlink_rcv_skb+0x130/0x360 [ 424.918922][ T72] netlink_unicast+0x449/0x710 [ 424.918922][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.918922][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.918922][ T72] ___sys_sendmsg+0xee/0x170 [ 424.918922][ T72] __sys_sendmsg+0xcd/0x170 [ 424.918922][ T72] do_syscall_64+0xc6/0x1e0 [ 424.918922][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.918922][ T72] [ 424.920951][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 424.920951][ T72] netdev_get_by_index+0x5e/0x80 [ 424.920951][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.920951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.920951][ T72] ip6_route_add+0x1c/0x140 [ 424.920951][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 424.920951][ T72] addrconf_add_dev+0xe2/0x170 [ 424.920951][ T72] inet6_addr_add+0x12f/0xa40 [ 424.920951][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.920951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.920951][ T72] netlink_rcv_skb+0x130/0x360 [ 424.920951][ T72] netlink_unicast+0x449/0x710 [ 424.920951][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.920951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.920951][ T72] ___sys_sendmsg+0xee/0x170 [ 424.920951][ T72] __sys_sendmsg+0xcd/0x170 [ 424.920951][ T72] do_syscall_64+0xc6/0x1e0 [ 424.920951][ T72] [ 424.922946][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 424.922946][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 424.922946][ T72] ipv6_find_idev+0x102/0x170 [ 424.922946][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 424.922946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.922946][ T72] netlink_rcv_skb+0x130/0x360 [ 424.922946][ T72] netlink_unicast+0x449/0x710 [ 424.922946][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.922946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.922946][ T72] ___sys_sendmsg+0xee/0x170 [ 424.922946][ T72] __sys_sendmsg+0xcd/0x170 [ 424.922946][ T72] do_syscall_64+0xc6/0x1e0 [ 424.922946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.922946][ T72] [ 424.924510][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 424.924510][ T72] neigh_parms_alloc+0x1e5/0x510 [ 424.924510][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 424.924510][ T72] ipv6_find_idev+0x102/0x170 [ 424.924510][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 424.924510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.924510][ T72] netlink_rcv_skb+0x130/0x360 [ 424.924510][ T72] netlink_unicast+0x449/0x710 [ 424.924510][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.924510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.924510][ T72] ___sys_sendmsg+0xee/0x170 [ 424.924510][ T72] __sys_sendmsg+0xcd/0x170 [ 424.924510][ T72] do_syscall_64+0xc6/0x1e0 [ 424.924510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.924510][ T72] [ 424.926253][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 424.926535][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 424.926535][ T72] dst_init+0x84/0x4a0 [ 424.926535][ T72] dst_alloc+0x97/0x150 [ 424.926535][ T72] ip6_dst_alloc+0x23/0x90 [ 424.926535][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 424.926535][ T72] ip6_pol_route+0x56f/0x840 [ 424.926535][ T72] fib6_rule_lookup+0x456/0x630 [ 424.926535][ T72] ip6_route_input+0x59c/0xa50 [ 424.926535][ T72] ipv6_rcv+0x397/0x810 [ 424.926535][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 424.926535][ T72] process_backlog+0x101/0x620 [ 424.926535][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 424.926535][ T72] net_rx_action+0x495/0xbe0 [ 424.926535][ T72] __do_softirq+0x1b5/0x7f6 [ 424.926535][ T72] [ 424.928215][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 424.928215][ T72] netdev_get_by_index+0x5e/0x80 [ 424.928215][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.928215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.928215][ T72] addrconf_f6i_alloc+0x265/0x560 [ 424.928215][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 424.928215][ T72] addrconf_join_anycast+0x1c0/0x220 [ 424.928215][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 424.928215][ T72] addrconf_dad_completed+0x12b/0xe20 [ 424.928215][ T72] addrconf_dad_begin+0x310/0x670 [ 424.928215][ T72] addrconf_dad_work+0x10b/0xab0 [ 424.928215][ T72] process_one_work+0x84d/0x18a0 [ 424.928215][ T72] worker_thread+0x587/0xd30 [ 424.928215][ T72] kthread+0x28a/0x350 [ 424.928215][ T72] ret_from_fork+0x31/0x70 [ 424.928215][ T72] ret_from_fork_asm+0x1a/0x30 [ 424.928215][ T72] [ 424.930153][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 424.930153][ T72] netdev_get_by_index+0x5e/0x80 [ 424.930153][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.930153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.930153][ T72] ip6_route_add+0x1c/0x140 [ 424.930153][ T72] addrconf_prefix_route+0x2a6/0x430 [ 424.930153][ T72] inet6_addr_add+0x4f8/0xa40 [ 424.930153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.930153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.930153][ T72] netlink_rcv_skb+0x130/0x360 [ 424.930153][ T72] netlink_unicast+0x449/0x710 [ 424.930153][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.930153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.930153][ T72] ___sys_sendmsg+0xee/0x170 [ 424.930153][ T72] __sys_sendmsg+0xcd/0x170 [ 424.930153][ T72] do_syscall_64+0xc6/0x1e0 [ 424.930153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.930153][ T72] [ 424.932181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 424.932181][ T72] netdev_get_by_index+0x5e/0x80 [ 424.932181][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.932181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.932181][ T72] addrconf_f6i_alloc+0x315/0x560 [ 424.932181][ T72] ipv6_add_addr+0x411/0x2000 [ 424.932181][ T72] inet6_addr_add+0x30e/0xa40 [ 424.932181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.932181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.932181][ T72] netlink_rcv_skb+0x130/0x360 [ 424.932181][ T72] netlink_unicast+0x449/0x710 [ 424.932181][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.932181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.932181][ T72] ___sys_sendmsg+0xee/0x170 [ 424.932181][ T72] __sys_sendmsg+0xcd/0x170 [ 424.932181][ T72] do_syscall_64+0xc6/0x1e0 [ 424.932181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.932181][ T72] [ 424.934295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 424.934295][ T72] netdev_get_by_index+0x5e/0x80 [ 424.934295][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.934295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.934295][ T72] ip6_route_add+0x1c/0x140 [ 424.934295][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 424.934295][ T72] addrconf_add_dev+0xe2/0x170 [ 424.934295][ T72] inet6_addr_add+0x12f/0xa40 [ 424.934295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.934295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.934295][ T72] netlink_rcv_skb+0x130/0x360 [ 424.934295][ T72] netlink_unicast+0x449/0x710 [ 424.934295][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.934295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.934295][ T72] ___sys_sendmsg+0xee/0x170 [ 424.934295][ T72] __sys_sendmsg+0xcd/0x170 [ 424.934295][ T72] do_syscall_64+0xc6/0x1e0 [ 424.934295][ T72] [ 424.936790][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 424.936790][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 424.936790][ T72] ipv6_find_idev+0x102/0x170 [ 424.936790][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 424.936790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.936790][ T72] netlink_rcv_skb+0x130/0x360 [ 424.936790][ T72] netlink_unicast+0x449/0x710 [ 424.936790][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.936790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.936790][ T72] ___sys_sendmsg+0xee/0x170 [ 424.936790][ T72] __sys_sendmsg+0xcd/0x170 [ 424.936790][ T72] do_syscall_64+0xc6/0x1e0 [ 424.936790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.936790][ T72] [ 424.938780][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 424.938780][ T72] neigh_parms_alloc+0x1e5/0x510 [ 424.938780][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 424.938780][ T72] ipv6_find_idev+0x102/0x170 [ 424.938780][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 424.938780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.938780][ T72] netlink_rcv_skb+0x130/0x360 [ 424.938780][ T72] netlink_unicast+0x449/0x710 [ 424.938780][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.938780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.938780][ T72] ___sys_sendmsg+0xee/0x170 [ 424.938780][ T72] __sys_sendmsg+0xcd/0x170 [ 424.938780][ T72] do_syscall_64+0xc6/0x1e0 [ 424.938780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.938780][ T72] [ 424.940995][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 424.941437][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 424.941437][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 424.941437][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 424.941437][ T72] fib6_nh_init+0xa22/0x1580 [ 424.941437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.941437][ T72] ip6_route_add+0x1c/0x140 [ 424.941437][ T72] inet6_rtm_newroute+0x104/0x110 [ 424.941437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.941437][ T72] netlink_rcv_skb+0x130/0x360 [ 424.941437][ T72] netlink_unicast+0x449/0x710 [ 424.941437][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.941437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.941437][ T72] ___sys_sendmsg+0xee/0x170 [ 424.941437][ T72] __sys_sendmsg+0xcd/0x170 [ 424.941437][ T72] do_syscall_64+0xc6/0x1e0 [ 424.941437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.941437][ T72] [ 424.943975][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 424.943975][ T72] dst_init+0x84/0x4a0 [ 424.943975][ T72] dst_alloc+0x97/0x150 [ 424.943975][ T72] ip6_dst_alloc+0x23/0x90 [ 424.943975][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 424.943975][ T72] ip6_pol_route+0x56f/0x840 [ 424.943975][ T72] fib6_rule_lookup+0x456/0x630 [ 424.943975][ T72] ip6_route_input+0x59c/0xa50 [ 424.943975][ T72] ipv6_rcv+0x397/0x810 [ 424.943975][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 424.943975][ T72] process_backlog+0x101/0x620 [ 424.943975][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 424.943975][ T72] net_rx_action+0x495/0xbe0 [ 424.943975][ T72] __do_softirq+0x1b5/0x7f6 [ 424.943975][ T72] [ 424.946058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 424.946058][ T72] netdev_get_by_index+0x5e/0x80 [ 424.946058][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.946058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.946058][ T72] ip6_route_add+0x1c/0x140 [ 424.946058][ T72] addrconf_prefix_route+0x2a6/0x430 [ 424.946058][ T72] inet6_addr_add+0x4f8/0xa40 [ 424.946058][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.946058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.946058][ T72] netlink_rcv_skb+0x130/0x360 [ 424.946058][ T72] netlink_unicast+0x449/0x710 [ 424.946058][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.946058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.946058][ T72] ___sys_sendmsg+0xee/0x170 [ 424.946058][ T72] __sys_sendmsg+0xcd/0x170 [ 424.946058][ T72] do_syscall_64+0xc6/0x1e0 [ 424.946058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.946058][ T72] [ 424.948298][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 424.948298][ T72] netdev_get_by_index+0x5e/0x80 [ 424.948298][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.948298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.948298][ T72] addrconf_f6i_alloc+0x315/0x560 [ 424.948298][ T72] ipv6_add_addr+0x411/0x2000 [ 424.948298][ T72] inet6_addr_add+0x30e/0xa40 [ 424.948298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.948298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.948298][ T72] netlink_rcv_skb+0x130/0x360 [ 424.948298][ T72] netlink_unicast+0x449/0x710 [ 424.948298][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.948298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.948298][ T72] ___sys_sendmsg+0xee/0x170 [ 424.948298][ T72] __sys_sendmsg+0xcd/0x170 [ 424.948298][ T72] do_syscall_64+0xc6/0x1e0 [ 424.948298][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.948298][ T72] [ 424.950622][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 424.950622][ T72] netdev_get_by_index+0x5e/0x80 [ 424.950622][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.950622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.950622][ T72] ip6_route_add+0x1c/0x140 [ 424.950622][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 424.950622][ T72] addrconf_add_dev+0xe2/0x170 [ 424.950622][ T72] inet6_addr_add+0x12f/0xa40 [ 424.950622][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.950622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.950622][ T72] netlink_rcv_skb+0x130/0x360 [ 424.950622][ T72] netlink_unicast+0x449/0x710 [ 424.950622][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.950622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.950622][ T72] ___sys_sendmsg+0xee/0x170 [ 424.950622][ T72] __sys_sendmsg+0xcd/0x170 [ 424.950622][ T72] do_syscall_64+0xc6/0x1e0 [ 424.950622][ T72] [ 424.952791][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 424.952791][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 424.952791][ T72] ipv6_find_idev+0x102/0x170 [ 424.952791][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 424.952791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.952791][ T72] netlink_rcv_skb+0x130/0x360 [ 424.952791][ T72] netlink_unicast+0x449/0x710 [ 424.952791][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.952791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.952791][ T72] ___sys_sendmsg+0xee/0x170 [ 424.952791][ T72] __sys_sendmsg+0xcd/0x170 [ 424.952791][ T72] do_syscall_64+0xc6/0x1e0 [ 424.952791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.952791][ T72] [ 424.954551][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 424.954551][ T72] neigh_parms_alloc+0x1e5/0x510 [ 424.954551][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 424.954551][ T72] ipv6_find_idev+0x102/0x170 [ 424.954551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 424.954551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.954551][ T72] netlink_rcv_skb+0x130/0x360 [ 424.954551][ T72] netlink_unicast+0x449/0x710 [ 424.954551][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.954551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.954551][ T72] ___sys_sendmsg+0xee/0x170 [ 424.954551][ T72] __sys_sendmsg+0xcd/0x170 [ 424.954551][ T72] do_syscall_64+0xc6/0x1e0 [ 424.954551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.954551][ T72] [ 424.956422][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 424.957593][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 424.957593][ T72] netdev_get_by_index+0x5e/0x80 [ 424.957593][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.957593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.957593][ T72] addrconf_f6i_alloc+0x265/0x560 [ 424.957593][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 424.957593][ T72] addrconf_join_anycast+0x1c0/0x220 [ 424.957593][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 424.957593][ T72] addrconf_dad_completed+0x12b/0xe20 [ 424.957593][ T72] addrconf_dad_begin+0x310/0x670 [ 424.957593][ T72] addrconf_dad_work+0x10b/0xab0 [ 424.957593][ T72] process_one_work+0x84d/0x18a0 [ 424.957593][ T72] worker_thread+0x587/0xd30 [ 424.957593][ T72] kthread+0x28a/0x350 [ 424.957593][ T72] ret_from_fork+0x31/0x70 [ 424.957593][ T72] ret_from_fork_asm+0x1a/0x30 [ 424.957593][ T72] [ 424.959495][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 424.959495][ T72] netdev_get_by_index+0x5e/0x80 [ 424.959495][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.959495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.959495][ T72] ip6_route_add+0x1c/0x140 [ 424.959495][ T72] addrconf_prefix_route+0x2a6/0x430 [ 424.959495][ T72] inet6_addr_add+0x4f8/0xa40 [ 424.959495][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.959495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.959495][ T72] netlink_rcv_skb+0x130/0x360 [ 424.959495][ T72] netlink_unicast+0x449/0x710 [ 424.959495][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.959495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.959495][ T72] ___sys_sendmsg+0xee/0x170 [ 424.959495][ T72] __sys_sendmsg+0xcd/0x170 [ 424.959495][ T72] do_syscall_64+0xc6/0x1e0 [ 424.959495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.959495][ T72] [ 424.961573][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 424.961573][ T72] netdev_get_by_index+0x5e/0x80 [ 424.961573][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.961573][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.961573][ T72] addrconf_f6i_alloc+0x315/0x560 [ 424.961573][ T72] ipv6_add_addr+0x411/0x2000 [ 424.961573][ T72] inet6_addr_add+0x30e/0xa40 [ 424.961573][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.961573][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.961573][ T72] netlink_rcv_skb+0x130/0x360 [ 424.961573][ T72] netlink_unicast+0x449/0x710 [ 424.961573][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.961573][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.961573][ T72] ___sys_sendmsg+0xee/0x170 [ 424.961573][ T72] __sys_sendmsg+0xcd/0x170 [ 424.961573][ T72] do_syscall_64+0xc6/0x1e0 [ 424.961573][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.961573][ T72] [ 424.963893][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 424.963893][ T72] netdev_get_by_index+0x5e/0x80 [ 424.963893][ T72] fib6_nh_init+0x3d8/0x1580 [ 424.963893][ T72] ip6_route_info_create+0xf18/0x17d0 [ 424.963893][ T72] ip6_route_add+0x1c/0x140 [ 424.963893][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 424.963893][ T72] addrconf_add_dev+0xe2/0x170 [ 424.963893][ T72] inet6_addr_add+0x12f/0xa40 [ 424.963893][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 424.963893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.963893][ T72] netlink_rcv_skb+0x130/0x360 [ 424.963893][ T72] netlink_unicast+0x449/0x710 [ 424.963893][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.963893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.963893][ T72] ___sys_sendmsg+0xee/0x170 [ 424.963893][ T72] __sys_sendmsg+0xcd/0x170 [ 424.963893][ T72] do_syscall_64+0xc6/0x1e0 [ 424.963893][ T72] [ 424.966160][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 424.966160][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 424.966160][ T72] ipv6_find_idev+0x102/0x170 [ 424.966160][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 424.966160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.966160][ T72] netlink_rcv_skb+0x130/0x360 [ 424.966160][ T72] netlink_unicast+0x449/0x710 [ 424.966160][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.966160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.966160][ T72] ___sys_sendmsg+0xee/0x170 [ 424.966160][ T72] __sys_sendmsg+0xcd/0x170 [ 424.966160][ T72] do_syscall_64+0xc6/0x1e0 [ 424.966160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.966160][ T72] [ 424.967893][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 424.967893][ T72] neigh_parms_alloc+0x1e5/0x510 [ 424.967893][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 424.967893][ T72] ipv6_find_idev+0x102/0x170 [ 424.967893][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 424.967893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 424.967893][ T72] netlink_rcv_skb+0x130/0x360 [ 424.967893][ T72] netlink_unicast+0x449/0x710 [ 424.967893][ T72] netlink_sendmsg+0x723/0xbe0 [ 424.967893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 424.967893][ T72] ___sys_sendmsg+0xee/0x170 [ 424.967893][ T72] __sys_sendmsg+0xcd/0x170 [ 424.967893][ T72] do_syscall_64+0xc6/0x1e0 [ 424.967893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 424.967893][ T72] [ 435.168928][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 435.169437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 435.169437][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 435.169437][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 435.169437][ T72] fib6_nh_init+0xa22/0x1580 [ 435.169437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.169437][ T72] ip6_route_add+0x1c/0x140 [ 435.169437][ T72] inet6_rtm_newroute+0x104/0x110 [ 435.169437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.169437][ T72] netlink_rcv_skb+0x130/0x360 [ 435.169437][ T72] netlink_unicast+0x449/0x710 [ 435.169437][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.169437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.169437][ T72] ___sys_sendmsg+0xee/0x170 [ 435.169437][ T72] __sys_sendmsg+0xcd/0x170 [ 435.169437][ T72] do_syscall_64+0xc6/0x1e0 [ 435.169437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.169437][ T72] [ 435.171370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 435.171370][ T72] dst_init+0x84/0x4a0 [ 435.171370][ T72] dst_alloc+0x97/0x150 [ 435.171370][ T72] ip6_dst_alloc+0x23/0x90 [ 435.171370][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 435.171370][ T72] ip6_pol_route+0x56f/0x840 [ 435.171370][ T72] fib6_rule_lookup+0x456/0x630 [ 435.171370][ T72] ip6_route_input+0x59c/0xa50 [ 435.171370][ T72] ipv6_rcv+0x397/0x810 [ 435.171370][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 435.171370][ T72] process_backlog+0x101/0x620 [ 435.171370][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 435.171370][ T72] net_rx_action+0x495/0xbe0 [ 435.171370][ T72] __do_softirq+0x1b5/0x7f6 [ 435.171370][ T72] [ 435.173017][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 435.173017][ T72] netdev_get_by_index+0x5e/0x80 [ 435.173017][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.173017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.173017][ T72] ip6_route_add+0x1c/0x140 [ 435.173017][ T72] addrconf_prefix_route+0x2a6/0x430 [ 435.173017][ T72] inet6_addr_add+0x4f8/0xa40 [ 435.173017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.173017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.173017][ T72] netlink_rcv_skb+0x130/0x360 [ 435.173017][ T72] netlink_unicast+0x449/0x710 [ 435.173017][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.173017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.173017][ T72] ___sys_sendmsg+0xee/0x170 [ 435.173017][ T72] __sys_sendmsg+0xcd/0x170 [ 435.173017][ T72] do_syscall_64+0xc6/0x1e0 [ 435.173017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.173017][ T72] [ 435.175400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 435.175400][ T72] netdev_get_by_index+0x5e/0x80 [ 435.175400][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.175400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.175400][ T72] addrconf_f6i_alloc+0x315/0x560 [ 435.175400][ T72] ipv6_add_addr+0x411/0x2000 [ 435.175400][ T72] inet6_addr_add+0x30e/0xa40 [ 435.175400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.175400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.175400][ T72] netlink_rcv_skb+0x130/0x360 [ 435.175400][ T72] netlink_unicast+0x449/0x710 [ 435.175400][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.175400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.175400][ T72] ___sys_sendmsg+0xee/0x170 [ 435.175400][ T72] __sys_sendmsg+0xcd/0x170 [ 435.175400][ T72] do_syscall_64+0xc6/0x1e0 [ 435.175400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.175400][ T72] [ 435.177416][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 435.177416][ T72] netdev_get_by_index+0x5e/0x80 [ 435.177416][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.177416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.177416][ T72] ip6_route_add+0x1c/0x140 [ 435.177416][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 435.177416][ T72] addrconf_add_dev+0xe2/0x170 [ 435.177416][ T72] inet6_addr_add+0x12f/0xa40 [ 435.177416][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.177416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.177416][ T72] netlink_rcv_skb+0x130/0x360 [ 435.177416][ T72] netlink_unicast+0x449/0x710 [ 435.177416][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.177416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.177416][ T72] ___sys_sendmsg+0xee/0x170 [ 435.177416][ T72] __sys_sendmsg+0xcd/0x170 [ 435.177416][ T72] do_syscall_64+0xc6/0x1e0 [ 435.177416][ T72] [ 435.179379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 435.179379][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 435.179379][ T72] ipv6_find_idev+0x102/0x170 [ 435.179379][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 435.179379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.179379][ T72] netlink_rcv_skb+0x130/0x360 [ 435.179379][ T72] netlink_unicast+0x449/0x710 [ 435.179379][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.179379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.179379][ T72] ___sys_sendmsg+0xee/0x170 [ 435.179379][ T72] __sys_sendmsg+0xcd/0x170 [ 435.179379][ T72] do_syscall_64+0xc6/0x1e0 [ 435.179379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.179379][ T72] [ 435.180914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 435.180914][ T72] neigh_parms_alloc+0x1e5/0x510 [ 435.180914][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 435.180914][ T72] ipv6_find_idev+0x102/0x170 [ 435.180914][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 435.180914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.180914][ T72] netlink_rcv_skb+0x130/0x360 [ 435.180914][ T72] netlink_unicast+0x449/0x710 [ 435.180914][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.180914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.180914][ T72] ___sys_sendmsg+0xee/0x170 [ 435.180914][ T72] __sys_sendmsg+0xcd/0x170 [ 435.180914][ T72] do_syscall_64+0xc6/0x1e0 [ 435.180914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.180914][ T72] [ 435.182649][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 435.182943][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 435.182943][ T72] dst_init+0x84/0x4a0 [ 435.182943][ T72] dst_alloc+0x97/0x150 [ 435.182943][ T72] ip6_dst_alloc+0x23/0x90 [ 435.182943][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 435.182943][ T72] ip6_pol_route+0x56f/0x840 [ 435.182943][ T72] fib6_rule_lookup+0x456/0x630 [ 435.182943][ T72] ip6_route_input+0x59c/0xa50 [ 435.182943][ T72] ipv6_rcv+0x397/0x810 [ 435.182943][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 435.182943][ T72] process_backlog+0x101/0x620 [ 435.182943][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 435.182943][ T72] net_rx_action+0x495/0xbe0 [ 435.182943][ T72] __do_softirq+0x1b5/0x7f6 [ 435.182943][ T72] [ 435.184588][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 435.184588][ T72] netdev_get_by_index+0x5e/0x80 [ 435.184588][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.184588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.184588][ T72] addrconf_f6i_alloc+0x265/0x560 [ 435.184588][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 435.184588][ T72] addrconf_join_anycast+0x1c0/0x220 [ 435.184588][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 435.184588][ T72] addrconf_dad_completed+0x12b/0xe20 [ 435.184588][ T72] addrconf_dad_begin+0x310/0x670 [ 435.184588][ T72] addrconf_dad_work+0x10b/0xab0 [ 435.184588][ T72] process_one_work+0x84d/0x18a0 [ 435.184588][ T72] worker_thread+0x587/0xd30 [ 435.184588][ T72] kthread+0x28a/0x350 [ 435.184588][ T72] ret_from_fork+0x31/0x70 [ 435.184588][ T72] ret_from_fork_asm+0x1a/0x30 [ 435.184588][ T72] [ 435.186503][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 435.186503][ T72] netdev_get_by_index+0x5e/0x80 [ 435.186503][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.186503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.186503][ T72] ip6_route_add+0x1c/0x140 [ 435.186503][ T72] addrconf_prefix_route+0x2a6/0x430 [ 435.186503][ T72] inet6_addr_add+0x4f8/0xa40 [ 435.186503][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.186503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.186503][ T72] netlink_rcv_skb+0x130/0x360 [ 435.186503][ T72] netlink_unicast+0x449/0x710 [ 435.186503][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.186503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.186503][ T72] ___sys_sendmsg+0xee/0x170 [ 435.186503][ T72] __sys_sendmsg+0xcd/0x170 [ 435.186503][ T72] do_syscall_64+0xc6/0x1e0 [ 435.186503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.186503][ T72] [ 435.188504][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 435.188504][ T72] netdev_get_by_index+0x5e/0x80 [ 435.188504][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.188504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.188504][ T72] addrconf_f6i_alloc+0x315/0x560 [ 435.188504][ T72] ipv6_add_addr+0x411/0x2000 [ 435.188504][ T72] inet6_addr_add+0x30e/0xa40 [ 435.188504][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.188504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.188504][ T72] netlink_rcv_skb+0x130/0x360 [ 435.188504][ T72] netlink_unicast+0x449/0x710 [ 435.188504][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.188504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.188504][ T72] ___sys_sendmsg+0xee/0x170 [ 435.188504][ T72] __sys_sendmsg+0xcd/0x170 [ 435.188504][ T72] do_syscall_64+0xc6/0x1e0 [ 435.188504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.188504][ T72] [ 435.190509][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 435.190509][ T72] netdev_get_by_index+0x5e/0x80 [ 435.190509][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.190509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.190509][ T72] ip6_route_add+0x1c/0x140 [ 435.190509][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 435.190509][ T72] addrconf_add_dev+0xe2/0x170 [ 435.190509][ T72] inet6_addr_add+0x12f/0xa40 [ 435.190509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.190509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.190509][ T72] netlink_rcv_skb+0x130/0x360 [ 435.190509][ T72] netlink_unicast+0x449/0x710 [ 435.190509][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.190509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.190509][ T72] ___sys_sendmsg+0xee/0x170 [ 435.190509][ T72] __sys_sendmsg+0xcd/0x170 [ 435.190509][ T72] do_syscall_64+0xc6/0x1e0 [ 435.190509][ T72] [ 435.192474][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 435.192474][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 435.192474][ T72] ipv6_find_idev+0x102/0x170 [ 435.192474][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 435.192474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.192474][ T72] netlink_rcv_skb+0x130/0x360 [ 435.192474][ T72] netlink_unicast+0x449/0x710 [ 435.192474][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.192474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.192474][ T72] ___sys_sendmsg+0xee/0x170 [ 435.192474][ T72] __sys_sendmsg+0xcd/0x170 [ 435.192474][ T72] do_syscall_64+0xc6/0x1e0 [ 435.192474][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.192474][ T72] [ 435.194019][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 435.194019][ T72] neigh_parms_alloc+0x1e5/0x510 [ 435.194019][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 435.194019][ T72] ipv6_find_idev+0x102/0x170 [ 435.194019][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 435.194019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.194019][ T72] netlink_rcv_skb+0x130/0x360 [ 435.194019][ T72] netlink_unicast+0x449/0x710 [ 435.194019][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.194019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.194019][ T72] ___sys_sendmsg+0xee/0x170 [ 435.194019][ T72] __sys_sendmsg+0xcd/0x170 [ 435.194019][ T72] do_syscall_64+0xc6/0x1e0 [ 435.194019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.194019][ T72] [ 435.195857][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 435.196125][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 435.196125][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 435.196125][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 435.196125][ T72] fib6_nh_init+0xa22/0x1580 [ 435.196125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.196125][ T72] ip6_route_add+0x1c/0x140 [ 435.196125][ T72] inet6_rtm_newroute+0x104/0x110 [ 435.196125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.196125][ T72] netlink_rcv_skb+0x130/0x360 [ 435.196125][ T72] netlink_unicast+0x449/0x710 [ 435.196125][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.196125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.196125][ T72] ___sys_sendmsg+0xee/0x170 [ 435.196125][ T72] __sys_sendmsg+0xcd/0x170 [ 435.196125][ T72] do_syscall_64+0xc6/0x1e0 [ 435.196125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.196125][ T72] [ 435.198315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 435.198315][ T72] dst_init+0x84/0x4a0 [ 435.198315][ T72] dst_alloc+0x97/0x150 [ 435.198315][ T72] ip6_dst_alloc+0x23/0x90 [ 435.198315][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 435.198315][ T72] ip6_pol_route+0x56f/0x840 [ 435.198315][ T72] fib6_rule_lookup+0x456/0x630 [ 435.198315][ T72] ip6_route_input+0x59c/0xa50 [ 435.198315][ T72] ipv6_rcv+0x397/0x810 [ 435.198315][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 435.198315][ T72] process_backlog+0x101/0x620 [ 435.198315][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 435.198315][ T72] net_rx_action+0x495/0xbe0 [ 435.198315][ T72] __do_softirq+0x1b5/0x7f6 [ 435.198315][ T72] [ 435.200133][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 435.200133][ T72] netdev_get_by_index+0x5e/0x80 [ 435.200133][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.200133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.200133][ T72] ip6_route_add+0x1c/0x140 [ 435.200133][ T72] addrconf_prefix_route+0x2a6/0x430 [ 435.200133][ T72] inet6_addr_add+0x4f8/0xa40 [ 435.200133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.200133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.200133][ T72] netlink_rcv_skb+0x130/0x360 [ 435.200133][ T72] netlink_unicast+0x449/0x710 [ 435.200133][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.200133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.200133][ T72] ___sys_sendmsg+0xee/0x170 [ 435.200133][ T72] __sys_sendmsg+0xcd/0x170 [ 435.200133][ T72] do_syscall_64+0xc6/0x1e0 [ 435.200133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.200133][ T72] [ 435.202398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 435.202398][ T72] netdev_get_by_index+0x5e/0x80 [ 435.202398][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.202398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.202398][ T72] addrconf_f6i_alloc+0x315/0x560 [ 435.202398][ T72] ipv6_add_addr+0x411/0x2000 [ 435.202398][ T72] inet6_addr_add+0x30e/0xa40 [ 435.202398][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.202398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.202398][ T72] netlink_rcv_skb+0x130/0x360 [ 435.202398][ T72] netlink_unicast+0x449/0x710 [ 435.202398][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.202398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.202398][ T72] ___sys_sendmsg+0xee/0x170 [ 435.202398][ T72] __sys_sendmsg+0xcd/0x170 [ 435.202398][ T72] do_syscall_64+0xc6/0x1e0 [ 435.202398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.202398][ T72] [ 435.204608][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 435.204608][ T72] netdev_get_by_index+0x5e/0x80 [ 435.204608][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.204608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.204608][ T72] ip6_route_add+0x1c/0x140 [ 435.204608][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 435.204608][ T72] addrconf_add_dev+0xe2/0x170 [ 435.204608][ T72] inet6_addr_add+0x12f/0xa40 [ 435.204608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.204608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.204608][ T72] netlink_rcv_skb+0x130/0x360 [ 435.204608][ T72] netlink_unicast+0x449/0x710 [ 435.204608][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.204608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.204608][ T72] ___sys_sendmsg+0xee/0x170 [ 435.204608][ T72] __sys_sendmsg+0xcd/0x170 [ 435.204608][ T72] do_syscall_64+0xc6/0x1e0 [ 435.204608][ T72] [ 435.206915][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 435.206915][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 435.206915][ T72] ipv6_find_idev+0x102/0x170 [ 435.206915][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 435.206915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.206915][ T72] netlink_rcv_skb+0x130/0x360 [ 435.206915][ T72] netlink_unicast+0x449/0x710 [ 435.206915][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.206915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.206915][ T72] ___sys_sendmsg+0xee/0x170 [ 435.206915][ T72] __sys_sendmsg+0xcd/0x170 [ 435.206915][ T72] do_syscall_64+0xc6/0x1e0 [ 435.206915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.206915][ T72] [ 435.208678][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 435.208678][ T72] neigh_parms_alloc+0x1e5/0x510 [ 435.208678][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 435.208678][ T72] ipv6_find_idev+0x102/0x170 [ 435.208678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 435.208678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.208678][ T72] netlink_rcv_skb+0x130/0x360 [ 435.208678][ T72] netlink_unicast+0x449/0x710 [ 435.208678][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.208678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.208678][ T72] ___sys_sendmsg+0xee/0x170 [ 435.208678][ T72] __sys_sendmsg+0xcd/0x170 [ 435.208678][ T72] do_syscall_64+0xc6/0x1e0 [ 435.208678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.208678][ T72] [ 435.210594][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 435.211395][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 435.211395][ T72] netdev_get_by_index+0x5e/0x80 [ 435.211395][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.211395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.211395][ T72] addrconf_f6i_alloc+0x265/0x560 [ 435.211395][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 435.211395][ T72] addrconf_join_anycast+0x1c0/0x220 [ 435.211395][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 435.211395][ T72] addrconf_dad_completed+0x12b/0xe20 [ 435.211395][ T72] addrconf_dad_begin+0x310/0x670 [ 435.211395][ T72] addrconf_dad_work+0x10b/0xab0 [ 435.211395][ T72] process_one_work+0x84d/0x18a0 [ 435.211395][ T72] worker_thread+0x587/0xd30 [ 435.211395][ T72] kthread+0x28a/0x350 [ 435.211395][ T72] ret_from_fork+0x31/0x70 [ 435.211395][ T72] ret_from_fork_asm+0x1a/0x30 [ 435.211395][ T72] [ 435.213308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 435.213308][ T72] netdev_get_by_index+0x5e/0x80 [ 435.213308][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.213308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.213308][ T72] ip6_route_add+0x1c/0x140 [ 435.213308][ T72] addrconf_prefix_route+0x2a6/0x430 [ 435.213308][ T72] inet6_addr_add+0x4f8/0xa40 [ 435.213308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.213308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.213308][ T72] netlink_rcv_skb+0x130/0x360 [ 435.213308][ T72] netlink_unicast+0x449/0x710 [ 435.213308][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.213308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.213308][ T72] ___sys_sendmsg+0xee/0x170 [ 435.213308][ T72] __sys_sendmsg+0xcd/0x170 [ 435.213308][ T72] do_syscall_64+0xc6/0x1e0 [ 435.213308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.213308][ T72] [ 435.215299][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 435.215299][ T72] netdev_get_by_index+0x5e/0x80 [ 435.215299][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.215299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.215299][ T72] addrconf_f6i_alloc+0x315/0x560 [ 435.215299][ T72] ipv6_add_addr+0x411/0x2000 [ 435.215299][ T72] inet6_addr_add+0x30e/0xa40 [ 435.215299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.215299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.215299][ T72] netlink_rcv_skb+0x130/0x360 [ 435.215299][ T72] netlink_unicast+0x449/0x710 [ 435.215299][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.215299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.215299][ T72] ___sys_sendmsg+0xee/0x170 [ 435.215299][ T72] __sys_sendmsg+0xcd/0x170 [ 435.215299][ T72] do_syscall_64+0xc6/0x1e0 [ 435.215299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.215299][ T72] [ 435.217551][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 435.217551][ T72] netdev_get_by_index+0x5e/0x80 [ 435.217551][ T72] fib6_nh_init+0x3d8/0x1580 [ 435.217551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 435.217551][ T72] ip6_route_add+0x1c/0x140 [ 435.217551][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 435.217551][ T72] addrconf_add_dev+0xe2/0x170 [ 435.217551][ T72] inet6_addr_add+0x12f/0xa40 [ 435.217551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 435.217551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.217551][ T72] netlink_rcv_skb+0x130/0x360 [ 435.217551][ T72] netlink_unicast+0x449/0x710 [ 435.217551][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.217551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.217551][ T72] ___sys_sendmsg+0xee/0x170 [ 435.217551][ T72] __sys_sendmsg+0xcd/0x170 [ 435.217551][ T72] do_syscall_64+0xc6/0x1e0 [ 435.217551][ T72] [ 435.219833][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 435.219833][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 435.219833][ T72] ipv6_find_idev+0x102/0x170 [ 435.219833][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 435.219833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.219833][ T72] netlink_rcv_skb+0x130/0x360 [ 435.219833][ T72] netlink_unicast+0x449/0x710 [ 435.219833][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.219833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.219833][ T72] ___sys_sendmsg+0xee/0x170 [ 435.219833][ T72] __sys_sendmsg+0xcd/0x170 [ 435.219833][ T72] do_syscall_64+0xc6/0x1e0 [ 435.219833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.219833][ T72] [ 435.221661][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 435.221661][ T72] neigh_parms_alloc+0x1e5/0x510 [ 435.221661][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 435.221661][ T72] ipv6_find_idev+0x102/0x170 [ 435.221661][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 435.221661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 435.221661][ T72] netlink_rcv_skb+0x130/0x360 [ 435.221661][ T72] netlink_unicast+0x449/0x710 [ 435.221661][ T72] netlink_sendmsg+0x723/0xbe0 [ 435.221661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 435.221661][ T72] ___sys_sendmsg+0xee/0x170 [ 435.221661][ T72] __sys_sendmsg+0xcd/0x170 [ 435.221661][ T72] do_syscall_64+0xc6/0x1e0 [ 435.221661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 435.221661][ T72] [ 445.240991][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 445.241530][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 445.241530][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 445.241530][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 445.241530][ T72] fib6_nh_init+0xa22/0x1580 [ 445.241530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.241530][ T72] ip6_route_add+0x1c/0x140 [ 445.241530][ T72] inet6_rtm_newroute+0x104/0x110 [ 445.241530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.241530][ T72] netlink_rcv_skb+0x130/0x360 [ 445.241530][ T72] netlink_unicast+0x449/0x710 [ 445.241530][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.241530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.241530][ T72] ___sys_sendmsg+0xee/0x170 [ 445.241530][ T72] __sys_sendmsg+0xcd/0x170 [ 445.241530][ T72] do_syscall_64+0xc6/0x1e0 [ 445.241530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.241530][ T72] [ 445.243437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 445.243437][ T72] dst_init+0x84/0x4a0 [ 445.243437][ T72] dst_alloc+0x97/0x150 [ 445.243437][ T72] ip6_dst_alloc+0x23/0x90 [ 445.243437][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 445.243437][ T72] ip6_pol_route+0x56f/0x840 [ 445.243437][ T72] fib6_rule_lookup+0x456/0x630 [ 445.243437][ T72] ip6_route_input+0x59c/0xa50 [ 445.243437][ T72] ipv6_rcv+0x397/0x810 [ 445.243437][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 445.243437][ T72] process_backlog+0x101/0x620 [ 445.243437][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 445.243437][ T72] net_rx_action+0x495/0xbe0 [ 445.243437][ T72] __do_softirq+0x1b5/0x7f6 [ 445.243437][ T72] [ 445.245088][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 445.245088][ T72] netdev_get_by_index+0x5e/0x80 [ 445.245088][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.245088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.245088][ T72] ip6_route_add+0x1c/0x140 [ 445.245088][ T72] addrconf_prefix_route+0x2a6/0x430 [ 445.245088][ T72] inet6_addr_add+0x4f8/0xa40 [ 445.245088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.245088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.245088][ T72] netlink_rcv_skb+0x130/0x360 [ 445.245088][ T72] netlink_unicast+0x449/0x710 [ 445.245088][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.245088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.245088][ T72] ___sys_sendmsg+0xee/0x170 [ 445.245088][ T72] __sys_sendmsg+0xcd/0x170 [ 445.245088][ T72] do_syscall_64+0xc6/0x1e0 [ 445.245088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.245088][ T72] [ 445.247112][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 445.247112][ T72] netdev_get_by_index+0x5e/0x80 [ 445.247112][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.247112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.247112][ T72] addrconf_f6i_alloc+0x315/0x560 [ 445.247112][ T72] ipv6_add_addr+0x411/0x2000 [ 445.247112][ T72] inet6_addr_add+0x30e/0xa40 [ 445.247112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.247112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.247112][ T72] netlink_rcv_skb+0x130/0x360 [ 445.247112][ T72] netlink_unicast+0x449/0x710 [ 445.247112][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.247112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.247112][ T72] ___sys_sendmsg+0xee/0x170 [ 445.247112][ T72] __sys_sendmsg+0xcd/0x170 [ 445.247112][ T72] do_syscall_64+0xc6/0x1e0 [ 445.247112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.247112][ T72] [ 445.249124][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 445.249124][ T72] netdev_get_by_index+0x5e/0x80 [ 445.249124][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.249124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.249124][ T72] ip6_route_add+0x1c/0x140 [ 445.249124][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 445.249124][ T72] addrconf_add_dev+0xe2/0x170 [ 445.249124][ T72] inet6_addr_add+0x12f/0xa40 [ 445.249124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.249124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.249124][ T72] netlink_rcv_skb+0x130/0x360 [ 445.249124][ T72] netlink_unicast+0x449/0x710 [ 445.249124][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.249124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.249124][ T72] ___sys_sendmsg+0xee/0x170 [ 445.249124][ T72] __sys_sendmsg+0xcd/0x170 [ 445.249124][ T72] do_syscall_64+0xc6/0x1e0 [ 445.249124][ T72] [ 445.251102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 445.251102][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 445.251102][ T72] ipv6_find_idev+0x102/0x170 [ 445.251102][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 445.251102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.251102][ T72] netlink_rcv_skb+0x130/0x360 [ 445.251102][ T72] netlink_unicast+0x449/0x710 [ 445.251102][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.251102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.251102][ T72] ___sys_sendmsg+0xee/0x170 [ 445.251102][ T72] __sys_sendmsg+0xcd/0x170 [ 445.251102][ T72] do_syscall_64+0xc6/0x1e0 [ 445.251102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.251102][ T72] [ 445.252643][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 445.252643][ T72] neigh_parms_alloc+0x1e5/0x510 [ 445.252643][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 445.252643][ T72] ipv6_find_idev+0x102/0x170 [ 445.252643][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 445.252643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.252643][ T72] netlink_rcv_skb+0x130/0x360 [ 445.252643][ T72] netlink_unicast+0x449/0x710 [ 445.252643][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.252643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.252643][ T72] ___sys_sendmsg+0xee/0x170 [ 445.252643][ T72] __sys_sendmsg+0xcd/0x170 [ 445.252643][ T72] do_syscall_64+0xc6/0x1e0 [ 445.252643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.252643][ T72] [ 445.254386][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 445.254767][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 445.254767][ T72] dst_init+0x84/0x4a0 [ 445.254767][ T72] dst_alloc+0x97/0x150 [ 445.254767][ T72] ip6_dst_alloc+0x23/0x90 [ 445.254767][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 445.254767][ T72] ip6_pol_route+0x56f/0x840 [ 445.254767][ T72] fib6_rule_lookup+0x456/0x630 [ 445.254767][ T72] ip6_route_input+0x59c/0xa50 [ 445.254767][ T72] ipv6_rcv+0x397/0x810 [ 445.254767][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 445.254767][ T72] process_backlog+0x101/0x620 [ 445.254767][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 445.254767][ T72] net_rx_action+0x495/0xbe0 [ 445.254767][ T72] __do_softirq+0x1b5/0x7f6 [ 445.254767][ T72] [ 445.256425][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 445.256425][ T72] netdev_get_by_index+0x5e/0x80 [ 445.256425][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.256425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.256425][ T72] addrconf_f6i_alloc+0x265/0x560 [ 445.256425][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 445.256425][ T72] addrconf_join_anycast+0x1c0/0x220 [ 445.256425][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 445.256425][ T72] addrconf_dad_completed+0x12b/0xe20 [ 445.256425][ T72] addrconf_dad_begin+0x310/0x670 [ 445.256425][ T72] addrconf_dad_work+0x10b/0xab0 [ 445.256425][ T72] process_one_work+0x84d/0x18a0 [ 445.256425][ T72] worker_thread+0x587/0xd30 [ 445.256425][ T72] kthread+0x28a/0x350 [ 445.256425][ T72] ret_from_fork+0x31/0x70 [ 445.256425][ T72] ret_from_fork_asm+0x1a/0x30 [ 445.256425][ T72] [ 445.258346][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 445.258346][ T72] netdev_get_by_index+0x5e/0x80 [ 445.258346][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.258346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.258346][ T72] ip6_route_add+0x1c/0x140 [ 445.258346][ T72] addrconf_prefix_route+0x2a6/0x430 [ 445.258346][ T72] inet6_addr_add+0x4f8/0xa40 [ 445.258346][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.258346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.258346][ T72] netlink_rcv_skb+0x130/0x360 [ 445.258346][ T72] netlink_unicast+0x449/0x710 [ 445.258346][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.258346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.258346][ T72] ___sys_sendmsg+0xee/0x170 [ 445.258346][ T72] __sys_sendmsg+0xcd/0x170 [ 445.258346][ T72] do_syscall_64+0xc6/0x1e0 [ 445.258346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.258346][ T72] [ 445.260380][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 445.260380][ T72] netdev_get_by_index+0x5e/0x80 [ 445.260380][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.260380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.260380][ T72] addrconf_f6i_alloc+0x315/0x560 [ 445.260380][ T72] ipv6_add_addr+0x411/0x2000 [ 445.260380][ T72] inet6_addr_add+0x30e/0xa40 [ 445.260380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.260380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.260380][ T72] netlink_rcv_skb+0x130/0x360 [ 445.260380][ T72] netlink_unicast+0x449/0x710 [ 445.260380][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.260380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.260380][ T72] ___sys_sendmsg+0xee/0x170 [ 445.260380][ T72] __sys_sendmsg+0xcd/0x170 [ 445.260380][ T72] do_syscall_64+0xc6/0x1e0 [ 445.260380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.260380][ T72] [ 445.262378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 445.262378][ T72] netdev_get_by_index+0x5e/0x80 [ 445.262378][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.262378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.262378][ T72] ip6_route_add+0x1c/0x140 [ 445.262378][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 445.262378][ T72] addrconf_add_dev+0xe2/0x170 [ 445.262378][ T72] inet6_addr_add+0x12f/0xa40 [ 445.262378][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.262378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.262378][ T72] netlink_rcv_skb+0x130/0x360 [ 445.262378][ T72] netlink_unicast+0x449/0x710 [ 445.262378][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.262378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.262378][ T72] ___sys_sendmsg+0xee/0x170 [ 445.262378][ T72] __sys_sendmsg+0xcd/0x170 [ 445.262378][ T72] do_syscall_64+0xc6/0x1e0 [ 445.262378][ T72] [ 445.264355][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 445.264355][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 445.264355][ T72] ipv6_find_idev+0x102/0x170 [ 445.264355][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 445.264355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.264355][ T72] netlink_rcv_skb+0x130/0x360 [ 445.264355][ T72] netlink_unicast+0x449/0x710 [ 445.264355][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.264355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.264355][ T72] ___sys_sendmsg+0xee/0x170 [ 445.264355][ T72] __sys_sendmsg+0xcd/0x170 [ 445.264355][ T72] do_syscall_64+0xc6/0x1e0 [ 445.264355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.264355][ T72] [ 445.265933][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 445.265933][ T72] neigh_parms_alloc+0x1e5/0x510 [ 445.265933][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 445.265933][ T72] ipv6_find_idev+0x102/0x170 [ 445.265933][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 445.265933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.265933][ T72] netlink_rcv_skb+0x130/0x360 [ 445.265933][ T72] netlink_unicast+0x449/0x710 [ 445.265933][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.265933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.265933][ T72] ___sys_sendmsg+0xee/0x170 [ 445.265933][ T72] __sys_sendmsg+0xcd/0x170 [ 445.265933][ T72] do_syscall_64+0xc6/0x1e0 [ 445.265933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.265933][ T72] [ 445.267775][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 445.268059][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 445.268059][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 445.268059][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 445.268059][ T72] fib6_nh_init+0xa22/0x1580 [ 445.268059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.268059][ T72] ip6_route_add+0x1c/0x140 [ 445.268059][ T72] inet6_rtm_newroute+0x104/0x110 [ 445.268059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.268059][ T72] netlink_rcv_skb+0x130/0x360 [ 445.268059][ T72] netlink_unicast+0x449/0x710 [ 445.268059][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.268059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.268059][ T72] ___sys_sendmsg+0xee/0x170 [ 445.268059][ T72] __sys_sendmsg+0xcd/0x170 [ 445.268059][ T72] do_syscall_64+0xc6/0x1e0 [ 445.268059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.268059][ T72] [ 445.270271][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 445.270271][ T72] dst_init+0x84/0x4a0 [ 445.270271][ T72] dst_alloc+0x97/0x150 [ 445.270271][ T72] ip6_dst_alloc+0x23/0x90 [ 445.270271][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 445.270271][ T72] ip6_pol_route+0x56f/0x840 [ 445.270271][ T72] fib6_rule_lookup+0x456/0x630 [ 445.270271][ T72] ip6_route_input+0x59c/0xa50 [ 445.270271][ T72] ipv6_rcv+0x397/0x810 [ 445.270271][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 445.270271][ T72] process_backlog+0x101/0x620 [ 445.270271][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 445.270271][ T72] net_rx_action+0x495/0xbe0 [ 445.270271][ T72] __do_softirq+0x1b5/0x7f6 [ 445.270271][ T72] [ 445.272093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 445.272093][ T72] netdev_get_by_index+0x5e/0x80 [ 445.272093][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.272093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.272093][ T72] ip6_route_add+0x1c/0x140 [ 445.272093][ T72] addrconf_prefix_route+0x2a6/0x430 [ 445.272093][ T72] inet6_addr_add+0x4f8/0xa40 [ 445.272093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.272093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.272093][ T72] netlink_rcv_skb+0x130/0x360 [ 445.272093][ T72] netlink_unicast+0x449/0x710 [ 445.272093][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.272093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.272093][ T72] ___sys_sendmsg+0xee/0x170 [ 445.272093][ T72] __sys_sendmsg+0xcd/0x170 [ 445.272093][ T72] do_syscall_64+0xc6/0x1e0 [ 445.272093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.272093][ T72] [ 445.274340][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 445.274340][ T72] netdev_get_by_index+0x5e/0x80 [ 445.274340][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.274340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.274340][ T72] addrconf_f6i_alloc+0x315/0x560 [ 445.274340][ T72] ipv6_add_addr+0x411/0x2000 [ 445.274340][ T72] inet6_addr_add+0x30e/0xa40 [ 445.274340][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.274340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.274340][ T72] netlink_rcv_skb+0x130/0x360 [ 445.274340][ T72] netlink_unicast+0x449/0x710 [ 445.274340][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.274340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.274340][ T72] ___sys_sendmsg+0xee/0x170 [ 445.274340][ T72] __sys_sendmsg+0xcd/0x170 [ 445.274340][ T72] do_syscall_64+0xc6/0x1e0 [ 445.274340][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.274340][ T72] [ 445.276544][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 445.276544][ T72] netdev_get_by_index+0x5e/0x80 [ 445.276544][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.276544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.276544][ T72] ip6_route_add+0x1c/0x140 [ 445.276544][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 445.276544][ T72] addrconf_add_dev+0xe2/0x170 [ 445.276544][ T72] inet6_addr_add+0x12f/0xa40 [ 445.276544][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.276544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.276544][ T72] netlink_rcv_skb+0x130/0x360 [ 445.276544][ T72] netlink_unicast+0x449/0x710 [ 445.276544][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.276544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.276544][ T72] ___sys_sendmsg+0xee/0x170 [ 445.276544][ T72] __sys_sendmsg+0xcd/0x170 [ 445.276544][ T72] do_syscall_64+0xc6/0x1e0 [ 445.276544][ T72] [ 445.278814][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 445.278814][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 445.278814][ T72] ipv6_find_idev+0x102/0x170 [ 445.278814][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 445.278814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.278814][ T72] netlink_rcv_skb+0x130/0x360 [ 445.278814][ T72] netlink_unicast+0x449/0x710 [ 445.278814][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.278814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.278814][ T72] ___sys_sendmsg+0xee/0x170 [ 445.278814][ T72] __sys_sendmsg+0xcd/0x170 [ 445.278814][ T72] do_syscall_64+0xc6/0x1e0 [ 445.278814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.278814][ T72] [ 445.280537][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 445.280537][ T72] neigh_parms_alloc+0x1e5/0x510 [ 445.280537][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 445.280537][ T72] ipv6_find_idev+0x102/0x170 [ 445.280537][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 445.280537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.280537][ T72] netlink_rcv_skb+0x130/0x360 [ 445.280537][ T72] netlink_unicast+0x449/0x710 [ 445.280537][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.280537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.280537][ T72] ___sys_sendmsg+0xee/0x170 [ 445.280537][ T72] __sys_sendmsg+0xcd/0x170 [ 445.280537][ T72] do_syscall_64+0xc6/0x1e0 [ 445.280537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.280537][ T72] [ 445.282433][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 445.282775][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 445.282775][ T72] netdev_get_by_index+0x5e/0x80 [ 445.282775][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.282775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.282775][ T72] addrconf_f6i_alloc+0x265/0x560 [ 445.282775][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 445.282775][ T72] addrconf_join_anycast+0x1c0/0x220 [ 445.282775][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 445.282775][ T72] addrconf_dad_completed+0x12b/0xe20 [ 445.282775][ T72] addrconf_dad_begin+0x310/0x670 [ 445.282775][ T72] addrconf_dad_work+0x10b/0xab0 [ 445.282775][ T72] process_one_work+0x84d/0x18a0 [ 445.282775][ T72] worker_thread+0x587/0xd30 [ 445.282775][ T72] kthread+0x28a/0x350 [ 445.282775][ T72] ret_from_fork+0x31/0x70 [ 445.282775][ T72] ret_from_fork_asm+0x1a/0x30 [ 445.282775][ T72] [ 445.284812][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 445.284812][ T72] netdev_get_by_index+0x5e/0x80 [ 445.284812][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.284812][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.284812][ T72] ip6_route_add+0x1c/0x140 [ 445.284812][ T72] addrconf_prefix_route+0x2a6/0x430 [ 445.284812][ T72] inet6_addr_add+0x4f8/0xa40 [ 445.284812][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.284812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.284812][ T72] netlink_rcv_skb+0x130/0x360 [ 445.284812][ T72] netlink_unicast+0x449/0x710 [ 445.284812][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.284812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.284812][ T72] ___sys_sendmsg+0xee/0x170 [ 445.284812][ T72] __sys_sendmsg+0xcd/0x170 [ 445.284812][ T72] do_syscall_64+0xc6/0x1e0 [ 445.284812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.284812][ T72] [ 445.287076][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 445.287076][ T72] netdev_get_by_index+0x5e/0x80 [ 445.287076][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.287076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.287076][ T72] addrconf_f6i_alloc+0x315/0x560 [ 445.287076][ T72] ipv6_add_addr+0x411/0x2000 [ 445.287076][ T72] inet6_addr_add+0x30e/0xa40 [ 445.287076][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.287076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.287076][ T72] netlink_rcv_skb+0x130/0x360 [ 445.287076][ T72] netlink_unicast+0x449/0x710 [ 445.287076][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.287076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.287076][ T72] ___sys_sendmsg+0xee/0x170 [ 445.287076][ T72] __sys_sendmsg+0xcd/0x170 [ 445.287076][ T72] do_syscall_64+0xc6/0x1e0 [ 445.287076][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.287076][ T72] [ 445.289406][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 445.289406][ T72] netdev_get_by_index+0x5e/0x80 [ 445.289406][ T72] fib6_nh_init+0x3d8/0x1580 [ 445.289406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 445.289406][ T72] ip6_route_add+0x1c/0x140 [ 445.289406][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 445.289406][ T72] addrconf_add_dev+0xe2/0x170 [ 445.289406][ T72] inet6_addr_add+0x12f/0xa40 [ 445.289406][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 445.289406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.289406][ T72] netlink_rcv_skb+0x130/0x360 [ 445.289406][ T72] netlink_unicast+0x449/0x710 [ 445.289406][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.289406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.289406][ T72] ___sys_sendmsg+0xee/0x170 [ 445.289406][ T72] __sys_sendmsg+0xcd/0x170 [ 445.289406][ T72] do_syscall_64+0xc6/0x1e0 [ 445.289406][ T72] [ 445.291619][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 445.291619][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 445.291619][ T72] ipv6_find_idev+0x102/0x170 [ 445.291619][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 445.291619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.291619][ T72] netlink_rcv_skb+0x130/0x360 [ 445.291619][ T72] netlink_unicast+0x449/0x710 [ 445.291619][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.291619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.291619][ T72] ___sys_sendmsg+0xee/0x170 [ 445.291619][ T72] __sys_sendmsg+0xcd/0x170 [ 445.291619][ T72] do_syscall_64+0xc6/0x1e0 [ 445.291619][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.291619][ T72] [ 445.293350][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 445.293350][ T72] neigh_parms_alloc+0x1e5/0x510 [ 445.293350][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 445.293350][ T72] ipv6_find_idev+0x102/0x170 [ 445.293350][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 445.293350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 445.293350][ T72] netlink_rcv_skb+0x130/0x360 [ 445.293350][ T72] netlink_unicast+0x449/0x710 [ 445.293350][ T72] netlink_sendmsg+0x723/0xbe0 [ 445.293350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 445.293350][ T72] ___sys_sendmsg+0xee/0x170 [ 445.293350][ T72] __sys_sendmsg+0xcd/0x170 [ 445.293350][ T72] do_syscall_64+0xc6/0x1e0 [ 445.293350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 445.293350][ T72] [ 455.400936][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 455.401444][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 455.401444][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 455.401444][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 455.401444][ T72] fib6_nh_init+0xa22/0x1580 [ 455.401444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.401444][ T72] ip6_route_add+0x1c/0x140 [ 455.401444][ T72] inet6_rtm_newroute+0x104/0x110 [ 455.401444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.401444][ T72] netlink_rcv_skb+0x130/0x360 [ 455.401444][ T72] netlink_unicast+0x449/0x710 [ 455.401444][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.401444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.401444][ T72] ___sys_sendmsg+0xee/0x170 [ 455.401444][ T72] __sys_sendmsg+0xcd/0x170 [ 455.401444][ T72] do_syscall_64+0xc6/0x1e0 [ 455.401444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.401444][ T72] [ 455.403344][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 455.403344][ T72] dst_init+0x84/0x4a0 [ 455.403344][ T72] dst_alloc+0x97/0x150 [ 455.403344][ T72] ip6_dst_alloc+0x23/0x90 [ 455.403344][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 455.403344][ T72] ip6_pol_route+0x56f/0x840 [ 455.403344][ T72] fib6_rule_lookup+0x456/0x630 [ 455.403344][ T72] ip6_route_input+0x59c/0xa50 [ 455.403344][ T72] ipv6_rcv+0x397/0x810 [ 455.403344][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 455.403344][ T72] process_backlog+0x101/0x620 [ 455.403344][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 455.403344][ T72] net_rx_action+0x495/0xbe0 [ 455.403344][ T72] __do_softirq+0x1b5/0x7f6 [ 455.403344][ T72] [ 455.404996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 455.404996][ T72] netdev_get_by_index+0x5e/0x80 [ 455.404996][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.404996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.404996][ T72] ip6_route_add+0x1c/0x140 [ 455.404996][ T72] addrconf_prefix_route+0x2a6/0x430 [ 455.404996][ T72] inet6_addr_add+0x4f8/0xa40 [ 455.404996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.404996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.404996][ T72] netlink_rcv_skb+0x130/0x360 [ 455.404996][ T72] netlink_unicast+0x449/0x710 [ 455.404996][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.404996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.404996][ T72] ___sys_sendmsg+0xee/0x170 [ 455.404996][ T72] __sys_sendmsg+0xcd/0x170 [ 455.404996][ T72] do_syscall_64+0xc6/0x1e0 [ 455.404996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.404996][ T72] [ 455.407022][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 455.407022][ T72] netdev_get_by_index+0x5e/0x80 [ 455.407022][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.407022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.407022][ T72] addrconf_f6i_alloc+0x315/0x560 [ 455.407022][ T72] ipv6_add_addr+0x411/0x2000 [ 455.407022][ T72] inet6_addr_add+0x30e/0xa40 [ 455.407022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.407022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.407022][ T72] netlink_rcv_skb+0x130/0x360 [ 455.407022][ T72] netlink_unicast+0x449/0x710 [ 455.407022][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.407022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.407022][ T72] ___sys_sendmsg+0xee/0x170 [ 455.407022][ T72] __sys_sendmsg+0xcd/0x170 [ 455.407022][ T72] do_syscall_64+0xc6/0x1e0 [ 455.407022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.407022][ T72] [ 455.409045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 455.409045][ T72] netdev_get_by_index+0x5e/0x80 [ 455.409045][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.409045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.409045][ T72] ip6_route_add+0x1c/0x140 [ 455.409045][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 455.409045][ T72] addrconf_add_dev+0xe2/0x170 [ 455.409045][ T72] inet6_addr_add+0x12f/0xa40 [ 455.409045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.409045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.409045][ T72] netlink_rcv_skb+0x130/0x360 [ 455.409045][ T72] netlink_unicast+0x449/0x710 [ 455.409045][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.409045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.409045][ T72] ___sys_sendmsg+0xee/0x170 [ 455.409045][ T72] __sys_sendmsg+0xcd/0x170 [ 455.409045][ T72] do_syscall_64+0xc6/0x1e0 [ 455.409045][ T72] [ 455.411014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 455.411014][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 455.411014][ T72] ipv6_find_idev+0x102/0x170 [ 455.411014][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 455.411014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.411014][ T72] netlink_rcv_skb+0x130/0x360 [ 455.411014][ T72] netlink_unicast+0x449/0x710 [ 455.411014][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.411014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.411014][ T72] ___sys_sendmsg+0xee/0x170 [ 455.411014][ T72] __sys_sendmsg+0xcd/0x170 [ 455.411014][ T72] do_syscall_64+0xc6/0x1e0 [ 455.411014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.411014][ T72] [ 455.412557][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 455.412557][ T72] neigh_parms_alloc+0x1e5/0x510 [ 455.412557][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 455.412557][ T72] ipv6_find_idev+0x102/0x170 [ 455.412557][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 455.412557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.412557][ T72] netlink_rcv_skb+0x130/0x360 [ 455.412557][ T72] netlink_unicast+0x449/0x710 [ 455.412557][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.412557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.412557][ T72] ___sys_sendmsg+0xee/0x170 [ 455.412557][ T72] __sys_sendmsg+0xcd/0x170 [ 455.412557][ T72] do_syscall_64+0xc6/0x1e0 [ 455.412557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.412557][ T72] [ 455.414267][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 455.414543][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 455.414543][ T72] dst_init+0x84/0x4a0 [ 455.414543][ T72] dst_alloc+0x97/0x150 [ 455.414543][ T72] ip6_dst_alloc+0x23/0x90 [ 455.414543][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 455.414543][ T72] ip6_pol_route+0x56f/0x840 [ 455.414543][ T72] fib6_rule_lookup+0x456/0x630 [ 455.414543][ T72] ip6_route_input+0x59c/0xa50 [ 455.414543][ T72] ipv6_rcv+0x397/0x810 [ 455.414543][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 455.414543][ T72] process_backlog+0x101/0x620 [ 455.414543][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 455.414543][ T72] net_rx_action+0x495/0xbe0 [ 455.414543][ T72] __do_softirq+0x1b5/0x7f6 [ 455.414543][ T72] [ 455.416254][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 455.416254][ T72] netdev_get_by_index+0x5e/0x80 [ 455.416254][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.416254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.416254][ T72] addrconf_f6i_alloc+0x265/0x560 [ 455.416254][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 455.416254][ T72] addrconf_join_anycast+0x1c0/0x220 [ 455.416254][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 455.416254][ T72] addrconf_dad_completed+0x12b/0xe20 [ 455.416254][ T72] addrconf_dad_begin+0x310/0x670 [ 455.416254][ T72] addrconf_dad_work+0x10b/0xab0 [ 455.416254][ T72] process_one_work+0x84d/0x18a0 [ 455.416254][ T72] worker_thread+0x587/0xd30 [ 455.416254][ T72] kthread+0x28a/0x350 [ 455.416254][ T72] ret_from_fork+0x31/0x70 [ 455.416254][ T72] ret_from_fork_asm+0x1a/0x30 [ 455.416254][ T72] [ 455.418177][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 455.418177][ T72] netdev_get_by_index+0x5e/0x80 [ 455.418177][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.418177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.418177][ T72] ip6_route_add+0x1c/0x140 [ 455.418177][ T72] addrconf_prefix_route+0x2a6/0x430 [ 455.418177][ T72] inet6_addr_add+0x4f8/0xa40 [ 455.418177][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.418177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.418177][ T72] netlink_rcv_skb+0x130/0x360 [ 455.418177][ T72] netlink_unicast+0x449/0x710 [ 455.418177][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.418177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.418177][ T72] ___sys_sendmsg+0xee/0x170 [ 455.418177][ T72] __sys_sendmsg+0xcd/0x170 [ 455.418177][ T72] do_syscall_64+0xc6/0x1e0 [ 455.418177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.418177][ T72] [ 455.420197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 455.420197][ T72] netdev_get_by_index+0x5e/0x80 [ 455.420197][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.420197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.420197][ T72] addrconf_f6i_alloc+0x315/0x560 [ 455.420197][ T72] ipv6_add_addr+0x411/0x2000 [ 455.420197][ T72] inet6_addr_add+0x30e/0xa40 [ 455.420197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.420197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.420197][ T72] netlink_rcv_skb+0x130/0x360 [ 455.420197][ T72] netlink_unicast+0x449/0x710 [ 455.420197][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.420197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.420197][ T72] ___sys_sendmsg+0xee/0x170 [ 455.420197][ T72] __sys_sendmsg+0xcd/0x170 [ 455.420197][ T72] do_syscall_64+0xc6/0x1e0 [ 455.420197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.420197][ T72] [ 455.422228][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 455.422228][ T72] netdev_get_by_index+0x5e/0x80 [ 455.422228][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.422228][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.422228][ T72] ip6_route_add+0x1c/0x140 [ 455.422228][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 455.422228][ T72] addrconf_add_dev+0xe2/0x170 [ 455.422228][ T72] inet6_addr_add+0x12f/0xa40 [ 455.422228][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.422228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.422228][ T72] netlink_rcv_skb+0x130/0x360 [ 455.422228][ T72] netlink_unicast+0x449/0x710 [ 455.422228][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.422228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.422228][ T72] ___sys_sendmsg+0xee/0x170 [ 455.422228][ T72] __sys_sendmsg+0xcd/0x170 [ 455.422228][ T72] do_syscall_64+0xc6/0x1e0 [ 455.422228][ T72] [ 455.424332][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 455.424332][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 455.424332][ T72] ipv6_find_idev+0x102/0x170 [ 455.424332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 455.424332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.424332][ T72] netlink_rcv_skb+0x130/0x360 [ 455.424332][ T72] netlink_unicast+0x449/0x710 [ 455.424332][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.424332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.424332][ T72] ___sys_sendmsg+0xee/0x170 [ 455.424332][ T72] __sys_sendmsg+0xcd/0x170 [ 455.424332][ T72] do_syscall_64+0xc6/0x1e0 [ 455.424332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.424332][ T72] [ 455.425883][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 455.425883][ T72] neigh_parms_alloc+0x1e5/0x510 [ 455.425883][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 455.425883][ T72] ipv6_find_idev+0x102/0x170 [ 455.425883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 455.425883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.425883][ T72] netlink_rcv_skb+0x130/0x360 [ 455.425883][ T72] netlink_unicast+0x449/0x710 [ 455.425883][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.425883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.425883][ T72] ___sys_sendmsg+0xee/0x170 [ 455.425883][ T72] __sys_sendmsg+0xcd/0x170 [ 455.425883][ T72] do_syscall_64+0xc6/0x1e0 [ 455.425883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.425883][ T72] [ 455.427719][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 455.428011][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 455.428011][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 455.428011][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 455.428011][ T72] fib6_nh_init+0xa22/0x1580 [ 455.428011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.428011][ T72] ip6_route_add+0x1c/0x140 [ 455.428011][ T72] inet6_rtm_newroute+0x104/0x110 [ 455.428011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.428011][ T72] netlink_rcv_skb+0x130/0x360 [ 455.428011][ T72] netlink_unicast+0x449/0x710 [ 455.428011][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.428011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.428011][ T72] ___sys_sendmsg+0xee/0x170 [ 455.428011][ T72] __sys_sendmsg+0xcd/0x170 [ 455.428011][ T72] do_syscall_64+0xc6/0x1e0 [ 455.428011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.428011][ T72] [ 455.430206][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 455.430206][ T72] dst_init+0x84/0x4a0 [ 455.430206][ T72] dst_alloc+0x97/0x150 [ 455.430206][ T72] ip6_dst_alloc+0x23/0x90 [ 455.430206][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 455.430206][ T72] ip6_pol_route+0x56f/0x840 [ 455.430206][ T72] fib6_rule_lookup+0x456/0x630 [ 455.430206][ T72] ip6_route_input+0x59c/0xa50 [ 455.430206][ T72] ipv6_rcv+0x397/0x810 [ 455.430206][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 455.430206][ T72] process_backlog+0x101/0x620 [ 455.430206][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 455.430206][ T72] net_rx_action+0x495/0xbe0 [ 455.430206][ T72] __do_softirq+0x1b5/0x7f6 [ 455.430206][ T72] [ 455.432023][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 455.432023][ T72] netdev_get_by_index+0x5e/0x80 [ 455.432023][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.432023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.432023][ T72] ip6_route_add+0x1c/0x140 [ 455.432023][ T72] addrconf_prefix_route+0x2a6/0x430 [ 455.432023][ T72] inet6_addr_add+0x4f8/0xa40 [ 455.432023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.432023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.432023][ T72] netlink_rcv_skb+0x130/0x360 [ 455.432023][ T72] netlink_unicast+0x449/0x710 [ 455.432023][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.432023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.432023][ T72] ___sys_sendmsg+0xee/0x170 [ 455.432023][ T72] __sys_sendmsg+0xcd/0x170 [ 455.432023][ T72] do_syscall_64+0xc6/0x1e0 [ 455.432023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.432023][ T72] [ 455.434271][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 455.434271][ T72] netdev_get_by_index+0x5e/0x80 [ 455.434271][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.434271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.434271][ T72] addrconf_f6i_alloc+0x315/0x560 [ 455.434271][ T72] ipv6_add_addr+0x411/0x2000 [ 455.434271][ T72] inet6_addr_add+0x30e/0xa40 [ 455.434271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.434271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.434271][ T72] netlink_rcv_skb+0x130/0x360 [ 455.434271][ T72] netlink_unicast+0x449/0x710 [ 455.434271][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.434271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.434271][ T72] ___sys_sendmsg+0xee/0x170 [ 455.434271][ T72] __sys_sendmsg+0xcd/0x170 [ 455.434271][ T72] do_syscall_64+0xc6/0x1e0 [ 455.434271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.434271][ T72] [ 455.436458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 455.436458][ T72] netdev_get_by_index+0x5e/0x80 [ 455.436458][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.436458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.436458][ T72] ip6_route_add+0x1c/0x140 [ 455.436458][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 455.436458][ T72] addrconf_add_dev+0xe2/0x170 [ 455.436458][ T72] inet6_addr_add+0x12f/0xa40 [ 455.436458][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.436458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.436458][ T72] netlink_rcv_skb+0x130/0x360 [ 455.436458][ T72] netlink_unicast+0x449/0x710 [ 455.436458][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.436458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.436458][ T72] ___sys_sendmsg+0xee/0x170 [ 455.436458][ T72] __sys_sendmsg+0xcd/0x170 [ 455.436458][ T72] do_syscall_64+0xc6/0x1e0 [ 455.436458][ T72] [ 455.438751][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 455.438751][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 455.438751][ T72] ipv6_find_idev+0x102/0x170 [ 455.438751][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 455.438751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.438751][ T72] netlink_rcv_skb+0x130/0x360 [ 455.438751][ T72] netlink_unicast+0x449/0x710 [ 455.438751][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.438751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.438751][ T72] ___sys_sendmsg+0xee/0x170 [ 455.438751][ T72] __sys_sendmsg+0xcd/0x170 [ 455.438751][ T72] do_syscall_64+0xc6/0x1e0 [ 455.438751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.438751][ T72] [ 455.440499][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 455.440499][ T72] neigh_parms_alloc+0x1e5/0x510 [ 455.440499][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 455.440499][ T72] ipv6_find_idev+0x102/0x170 [ 455.440499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 455.440499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.440499][ T72] netlink_rcv_skb+0x130/0x360 [ 455.440499][ T72] netlink_unicast+0x449/0x710 [ 455.440499][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.440499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.440499][ T72] ___sys_sendmsg+0xee/0x170 [ 455.440499][ T72] __sys_sendmsg+0xcd/0x170 [ 455.440499][ T72] do_syscall_64+0xc6/0x1e0 [ 455.440499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.440499][ T72] [ 455.442385][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 455.442729][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 455.442729][ T72] netdev_get_by_index+0x5e/0x80 [ 455.442729][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.442729][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.442729][ T72] addrconf_f6i_alloc+0x265/0x560 [ 455.442729][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 455.442729][ T72] addrconf_join_anycast+0x1c0/0x220 [ 455.442729][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 455.442729][ T72] addrconf_dad_completed+0x12b/0xe20 [ 455.442729][ T72] addrconf_dad_begin+0x310/0x670 [ 455.442729][ T72] addrconf_dad_work+0x10b/0xab0 [ 455.442729][ T72] process_one_work+0x84d/0x18a0 [ 455.442729][ T72] worker_thread+0x587/0xd30 [ 455.442729][ T72] kthread+0x28a/0x350 [ 455.442729][ T72] ret_from_fork+0x31/0x70 [ 455.442729][ T72] ret_from_fork_asm+0x1a/0x30 [ 455.442729][ T72] [ 455.444823][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 455.444823][ T72] netdev_get_by_index+0x5e/0x80 [ 455.444823][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.444823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.444823][ T72] ip6_route_add+0x1c/0x140 [ 455.444823][ T72] addrconf_prefix_route+0x2a6/0x430 [ 455.444823][ T72] inet6_addr_add+0x4f8/0xa40 [ 455.444823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.444823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.444823][ T72] netlink_rcv_skb+0x130/0x360 [ 455.444823][ T72] netlink_unicast+0x449/0x710 [ 455.444823][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.444823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.444823][ T72] ___sys_sendmsg+0xee/0x170 [ 455.444823][ T72] __sys_sendmsg+0xcd/0x170 [ 455.444823][ T72] do_syscall_64+0xc6/0x1e0 [ 455.444823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.444823][ T72] [ 455.447079][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 455.447079][ T72] netdev_get_by_index+0x5e/0x80 [ 455.447079][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.447079][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.447079][ T72] addrconf_f6i_alloc+0x315/0x560 [ 455.447079][ T72] ipv6_add_addr+0x411/0x2000 [ 455.447079][ T72] inet6_addr_add+0x30e/0xa40 [ 455.447079][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.447079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.447079][ T72] netlink_rcv_skb+0x130/0x360 [ 455.447079][ T72] netlink_unicast+0x449/0x710 [ 455.447079][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.447079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.447079][ T72] ___sys_sendmsg+0xee/0x170 [ 455.447079][ T72] __sys_sendmsg+0xcd/0x170 [ 455.447079][ T72] do_syscall_64+0xc6/0x1e0 [ 455.447079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.447079][ T72] [ 455.449762][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 455.449762][ T72] netdev_get_by_index+0x5e/0x80 [ 455.449762][ T72] fib6_nh_init+0x3d8/0x1580 [ 455.449762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 455.449762][ T72] ip6_route_add+0x1c/0x140 [ 455.449762][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 455.449762][ T72] addrconf_add_dev+0xe2/0x170 [ 455.449762][ T72] inet6_addr_add+0x12f/0xa40 [ 455.449762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 455.449762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.449762][ T72] netlink_rcv_skb+0x130/0x360 [ 455.449762][ T72] netlink_unicast+0x449/0x710 [ 455.449762][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.449762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.449762][ T72] ___sys_sendmsg+0xee/0x170 [ 455.449762][ T72] __sys_sendmsg+0xcd/0x170 [ 455.449762][ T72] do_syscall_64+0xc6/0x1e0 [ 455.449762][ T72] [ 455.451968][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 455.451968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 455.451968][ T72] ipv6_find_idev+0x102/0x170 [ 455.451968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 455.451968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.451968][ T72] netlink_rcv_skb+0x130/0x360 [ 455.451968][ T72] netlink_unicast+0x449/0x710 [ 455.451968][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.451968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.451968][ T72] ___sys_sendmsg+0xee/0x170 [ 455.451968][ T72] __sys_sendmsg+0xcd/0x170 [ 455.451968][ T72] do_syscall_64+0xc6/0x1e0 [ 455.451968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.451968][ T72] [ 455.453694][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 455.453694][ T72] neigh_parms_alloc+0x1e5/0x510 [ 455.453694][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 455.453694][ T72] ipv6_find_idev+0x102/0x170 [ 455.453694][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 455.453694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 455.453694][ T72] netlink_rcv_skb+0x130/0x360 [ 455.453694][ T72] netlink_unicast+0x449/0x710 [ 455.453694][ T72] netlink_sendmsg+0x723/0xbe0 [ 455.453694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 455.453694][ T72] ___sys_sendmsg+0xee/0x170 [ 455.453694][ T72] __sys_sendmsg+0xcd/0x170 [ 455.453694][ T72] do_syscall_64+0xc6/0x1e0 [ 455.453694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 455.453694][ T72] [ 465.696906][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 465.697391][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 465.697391][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 465.697391][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 465.697391][ T72] fib6_nh_init+0xa22/0x1580 [ 465.697391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.697391][ T72] ip6_route_add+0x1c/0x140 [ 465.697391][ T72] inet6_rtm_newroute+0x104/0x110 [ 465.697391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.697391][ T72] netlink_rcv_skb+0x130/0x360 [ 465.697391][ T72] netlink_unicast+0x449/0x710 [ 465.697391][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.697391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.697391][ T72] ___sys_sendmsg+0xee/0x170 [ 465.697391][ T72] __sys_sendmsg+0xcd/0x170 [ 465.697391][ T72] do_syscall_64+0xc6/0x1e0 [ 465.697391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.697391][ T72] [ 465.699286][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 465.699286][ T72] dst_init+0x84/0x4a0 [ 465.699286][ T72] dst_alloc+0x97/0x150 [ 465.699286][ T72] ip6_dst_alloc+0x23/0x90 [ 465.699286][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 465.699286][ T72] ip6_pol_route+0x56f/0x840 [ 465.699286][ T72] fib6_rule_lookup+0x456/0x630 [ 465.699286][ T72] ip6_route_input+0x59c/0xa50 [ 465.699286][ T72] ipv6_rcv+0x397/0x810 [ 465.699286][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 465.699286][ T72] process_backlog+0x101/0x620 [ 465.699286][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 465.699286][ T72] net_rx_action+0x495/0xbe0 [ 465.699286][ T72] __do_softirq+0x1b5/0x7f6 [ 465.699286][ T72] [ 465.700930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 465.700930][ T72] netdev_get_by_index+0x5e/0x80 [ 465.700930][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.700930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.700930][ T72] ip6_route_add+0x1c/0x140 [ 465.700930][ T72] addrconf_prefix_route+0x2a6/0x430 [ 465.700930][ T72] inet6_addr_add+0x4f8/0xa40 [ 465.700930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.700930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.700930][ T72] netlink_rcv_skb+0x130/0x360 [ 465.700930][ T72] netlink_unicast+0x449/0x710 [ 465.700930][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.700930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.700930][ T72] ___sys_sendmsg+0xee/0x170 [ 465.700930][ T72] __sys_sendmsg+0xcd/0x170 [ 465.700930][ T72] do_syscall_64+0xc6/0x1e0 [ 465.700930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.700930][ T72] [ 465.702914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 465.702914][ T72] netdev_get_by_index+0x5e/0x80 [ 465.702914][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.702914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.702914][ T72] addrconf_f6i_alloc+0x315/0x560 [ 465.702914][ T72] ipv6_add_addr+0x411/0x2000 [ 465.702914][ T72] inet6_addr_add+0x30e/0xa40 [ 465.702914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.702914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.702914][ T72] netlink_rcv_skb+0x130/0x360 [ 465.702914][ T72] netlink_unicast+0x449/0x710 [ 465.702914][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.702914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.702914][ T72] ___sys_sendmsg+0xee/0x170 [ 465.702914][ T72] __sys_sendmsg+0xcd/0x170 [ 465.702914][ T72] do_syscall_64+0xc6/0x1e0 [ 465.702914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.702914][ T72] [ 465.704917][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 465.704917][ T72] netdev_get_by_index+0x5e/0x80 [ 465.704917][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.704917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.704917][ T72] ip6_route_add+0x1c/0x140 [ 465.704917][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 465.704917][ T72] addrconf_add_dev+0xe2/0x170 [ 465.704917][ T72] inet6_addr_add+0x12f/0xa40 [ 465.704917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.704917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.704917][ T72] netlink_rcv_skb+0x130/0x360 [ 465.704917][ T72] netlink_unicast+0x449/0x710 [ 465.704917][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.704917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.704917][ T72] ___sys_sendmsg+0xee/0x170 [ 465.704917][ T72] __sys_sendmsg+0xcd/0x170 [ 465.704917][ T72] do_syscall_64+0xc6/0x1e0 [ 465.704917][ T72] [ 465.706894][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 465.706894][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 465.706894][ T72] ipv6_find_idev+0x102/0x170 [ 465.706894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 465.706894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.706894][ T72] netlink_rcv_skb+0x130/0x360 [ 465.706894][ T72] netlink_unicast+0x449/0x710 [ 465.706894][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.706894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.706894][ T72] ___sys_sendmsg+0xee/0x170 [ 465.706894][ T72] __sys_sendmsg+0xcd/0x170 [ 465.706894][ T72] do_syscall_64+0xc6/0x1e0 [ 465.706894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.706894][ T72] [ 465.708426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 465.708426][ T72] neigh_parms_alloc+0x1e5/0x510 [ 465.708426][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 465.708426][ T72] ipv6_find_idev+0x102/0x170 [ 465.708426][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 465.708426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.708426][ T72] netlink_rcv_skb+0x130/0x360 [ 465.708426][ T72] netlink_unicast+0x449/0x710 [ 465.708426][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.708426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.708426][ T72] ___sys_sendmsg+0xee/0x170 [ 465.708426][ T72] __sys_sendmsg+0xcd/0x170 [ 465.708426][ T72] do_syscall_64+0xc6/0x1e0 [ 465.708426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.708426][ T72] [ 465.710115][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 465.710391][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 465.710391][ T72] dst_init+0x84/0x4a0 [ 465.710391][ T72] dst_alloc+0x97/0x150 [ 465.710391][ T72] ip6_dst_alloc+0x23/0x90 [ 465.710391][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 465.710391][ T72] ip6_pol_route+0x56f/0x840 [ 465.710391][ T72] fib6_rule_lookup+0x456/0x630 [ 465.710391][ T72] ip6_route_input+0x59c/0xa50 [ 465.710391][ T72] ipv6_rcv+0x397/0x810 [ 465.710391][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 465.710391][ T72] process_backlog+0x101/0x620 [ 465.710391][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 465.710391][ T72] net_rx_action+0x495/0xbe0 [ 465.710391][ T72] __do_softirq+0x1b5/0x7f6 [ 465.710391][ T72] [ 465.712024][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 465.712024][ T72] netdev_get_by_index+0x5e/0x80 [ 465.712024][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.712024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.712024][ T72] addrconf_f6i_alloc+0x265/0x560 [ 465.712024][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 465.712024][ T72] addrconf_join_anycast+0x1c0/0x220 [ 465.712024][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 465.712024][ T72] addrconf_dad_completed+0x12b/0xe20 [ 465.712024][ T72] addrconf_dad_begin+0x310/0x670 [ 465.712024][ T72] addrconf_dad_work+0x10b/0xab0 [ 465.712024][ T72] process_one_work+0x84d/0x18a0 [ 465.712024][ T72] worker_thread+0x587/0xd30 [ 465.712024][ T72] kthread+0x28a/0x350 [ 465.712024][ T72] ret_from_fork+0x31/0x70 [ 465.712024][ T72] ret_from_fork_asm+0x1a/0x30 [ 465.712024][ T72] [ 465.713932][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 465.713932][ T72] netdev_get_by_index+0x5e/0x80 [ 465.713932][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.713932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.713932][ T72] ip6_route_add+0x1c/0x140 [ 465.713932][ T72] addrconf_prefix_route+0x2a6/0x430 [ 465.713932][ T72] inet6_addr_add+0x4f8/0xa40 [ 465.713932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.713932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.713932][ T72] netlink_rcv_skb+0x130/0x360 [ 465.713932][ T72] netlink_unicast+0x449/0x710 [ 465.713932][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.713932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.713932][ T72] ___sys_sendmsg+0xee/0x170 [ 465.713932][ T72] __sys_sendmsg+0xcd/0x170 [ 465.713932][ T72] do_syscall_64+0xc6/0x1e0 [ 465.713932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.713932][ T72] [ 465.715929][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 465.715929][ T72] netdev_get_by_index+0x5e/0x80 [ 465.715929][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.715929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.715929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 465.715929][ T72] ipv6_add_addr+0x411/0x2000 [ 465.715929][ T72] inet6_addr_add+0x30e/0xa40 [ 465.715929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.715929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.715929][ T72] netlink_rcv_skb+0x130/0x360 [ 465.715929][ T72] netlink_unicast+0x449/0x710 [ 465.715929][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.715929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.715929][ T72] ___sys_sendmsg+0xee/0x170 [ 465.715929][ T72] __sys_sendmsg+0xcd/0x170 [ 465.715929][ T72] do_syscall_64+0xc6/0x1e0 [ 465.715929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.715929][ T72] [ 465.717910][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 465.717910][ T72] netdev_get_by_index+0x5e/0x80 [ 465.717910][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.717910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.717910][ T72] ip6_route_add+0x1c/0x140 [ 465.717910][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 465.717910][ T72] addrconf_add_dev+0xe2/0x170 [ 465.717910][ T72] inet6_addr_add+0x12f/0xa40 [ 465.717910][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.717910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.717910][ T72] netlink_rcv_skb+0x130/0x360 [ 465.717910][ T72] netlink_unicast+0x449/0x710 [ 465.717910][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.717910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.717910][ T72] ___sys_sendmsg+0xee/0x170 [ 465.717910][ T72] __sys_sendmsg+0xcd/0x170 [ 465.717910][ T72] do_syscall_64+0xc6/0x1e0 [ 465.717910][ T72] [ 465.719856][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 465.719856][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 465.719856][ T72] ipv6_find_idev+0x102/0x170 [ 465.719856][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 465.719856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.719856][ T72] netlink_rcv_skb+0x130/0x360 [ 465.719856][ T72] netlink_unicast+0x449/0x710 [ 465.719856][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.719856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.719856][ T72] ___sys_sendmsg+0xee/0x170 [ 465.719856][ T72] __sys_sendmsg+0xcd/0x170 [ 465.719856][ T72] do_syscall_64+0xc6/0x1e0 [ 465.719856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.719856][ T72] [ 465.721385][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 465.721385][ T72] neigh_parms_alloc+0x1e5/0x510 [ 465.721385][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 465.721385][ T72] ipv6_find_idev+0x102/0x170 [ 465.721385][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 465.721385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.721385][ T72] netlink_rcv_skb+0x130/0x360 [ 465.721385][ T72] netlink_unicast+0x449/0x710 [ 465.721385][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.721385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.721385][ T72] ___sys_sendmsg+0xee/0x170 [ 465.721385][ T72] __sys_sendmsg+0xcd/0x170 [ 465.721385][ T72] do_syscall_64+0xc6/0x1e0 [ 465.721385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.721385][ T72] [ 465.723176][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 465.723451][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 465.723451][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 465.723451][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 465.723451][ T72] fib6_nh_init+0xa22/0x1580 [ 465.723451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.723451][ T72] ip6_route_add+0x1c/0x140 [ 465.723451][ T72] inet6_rtm_newroute+0x104/0x110 [ 465.723451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.723451][ T72] netlink_rcv_skb+0x130/0x360 [ 465.723451][ T72] netlink_unicast+0x449/0x710 [ 465.723451][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.723451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.723451][ T72] ___sys_sendmsg+0xee/0x170 [ 465.723451][ T72] __sys_sendmsg+0xcd/0x170 [ 465.723451][ T72] do_syscall_64+0xc6/0x1e0 [ 465.723451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.723451][ T72] [ 465.725633][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 465.725633][ T72] dst_init+0x84/0x4a0 [ 465.725633][ T72] dst_alloc+0x97/0x150 [ 465.725633][ T72] ip6_dst_alloc+0x23/0x90 [ 465.725633][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 465.725633][ T72] ip6_pol_route+0x56f/0x840 [ 465.725633][ T72] fib6_rule_lookup+0x456/0x630 [ 465.725633][ T72] ip6_route_input+0x59c/0xa50 [ 465.725633][ T72] ipv6_rcv+0x397/0x810 [ 465.725633][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 465.725633][ T72] process_backlog+0x101/0x620 [ 465.725633][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 465.725633][ T72] net_rx_action+0x495/0xbe0 [ 465.725633][ T72] __do_softirq+0x1b5/0x7f6 [ 465.725633][ T72] [ 465.727439][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 465.727439][ T72] netdev_get_by_index+0x5e/0x80 [ 465.727439][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.727439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.727439][ T72] ip6_route_add+0x1c/0x140 [ 465.727439][ T72] addrconf_prefix_route+0x2a6/0x430 [ 465.727439][ T72] inet6_addr_add+0x4f8/0xa40 [ 465.727439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.727439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.727439][ T72] netlink_rcv_skb+0x130/0x360 [ 465.727439][ T72] netlink_unicast+0x449/0x710 [ 465.727439][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.727439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.727439][ T72] ___sys_sendmsg+0xee/0x170 [ 465.727439][ T72] __sys_sendmsg+0xcd/0x170 [ 465.727439][ T72] do_syscall_64+0xc6/0x1e0 [ 465.727439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.727439][ T72] [ 465.729680][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 465.729680][ T72] netdev_get_by_index+0x5e/0x80 [ 465.729680][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.729680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.729680][ T72] addrconf_f6i_alloc+0x315/0x560 [ 465.729680][ T72] ipv6_add_addr+0x411/0x2000 [ 465.729680][ T72] inet6_addr_add+0x30e/0xa40 [ 465.729680][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.729680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.729680][ T72] netlink_rcv_skb+0x130/0x360 [ 465.729680][ T72] netlink_unicast+0x449/0x710 [ 465.729680][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.729680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.729680][ T72] ___sys_sendmsg+0xee/0x170 [ 465.729680][ T72] __sys_sendmsg+0xcd/0x170 [ 465.729680][ T72] do_syscall_64+0xc6/0x1e0 [ 465.729680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.729680][ T72] [ 465.731850][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 465.731850][ T72] netdev_get_by_index+0x5e/0x80 [ 465.731850][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.731850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.731850][ T72] ip6_route_add+0x1c/0x140 [ 465.731850][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 465.731850][ T72] addrconf_add_dev+0xe2/0x170 [ 465.731850][ T72] inet6_addr_add+0x12f/0xa40 [ 465.731850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.731850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.731850][ T72] netlink_rcv_skb+0x130/0x360 [ 465.731850][ T72] netlink_unicast+0x449/0x710 [ 465.731850][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.731850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.731850][ T72] ___sys_sendmsg+0xee/0x170 [ 465.731850][ T72] __sys_sendmsg+0xcd/0x170 [ 465.731850][ T72] do_syscall_64+0xc6/0x1e0 [ 465.731850][ T72] [ 465.734100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 465.734100][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 465.734100][ T72] ipv6_find_idev+0x102/0x170 [ 465.734100][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 465.734100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.734100][ T72] netlink_rcv_skb+0x130/0x360 [ 465.734100][ T72] netlink_unicast+0x449/0x710 [ 465.734100][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.734100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.734100][ T72] ___sys_sendmsg+0xee/0x170 [ 465.734100][ T72] __sys_sendmsg+0xcd/0x170 [ 465.734100][ T72] do_syscall_64+0xc6/0x1e0 [ 465.734100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.734100][ T72] [ 465.735822][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 465.735822][ T72] neigh_parms_alloc+0x1e5/0x510 [ 465.735822][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 465.735822][ T72] ipv6_find_idev+0x102/0x170 [ 465.735822][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 465.735822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.735822][ T72] netlink_rcv_skb+0x130/0x360 [ 465.735822][ T72] netlink_unicast+0x449/0x710 [ 465.735822][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.735822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.735822][ T72] ___sys_sendmsg+0xee/0x170 [ 465.735822][ T72] __sys_sendmsg+0xcd/0x170 [ 465.735822][ T72] do_syscall_64+0xc6/0x1e0 [ 465.735822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.735822][ T72] [ 465.737678][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 465.738026][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 465.738026][ T72] netdev_get_by_index+0x5e/0x80 [ 465.738026][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.738026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.738026][ T72] addrconf_f6i_alloc+0x265/0x560 [ 465.738026][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 465.738026][ T72] addrconf_join_anycast+0x1c0/0x220 [ 465.738026][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 465.738026][ T72] addrconf_dad_completed+0x12b/0xe20 [ 465.738026][ T72] addrconf_dad_begin+0x310/0x670 [ 465.738026][ T72] addrconf_dad_work+0x10b/0xab0 [ 465.738026][ T72] process_one_work+0x84d/0x18a0 [ 465.738026][ T72] worker_thread+0x587/0xd30 [ 465.738026][ T72] kthread+0x28a/0x350 [ 465.738026][ T72] ret_from_fork+0x31/0x70 [ 465.738026][ T72] ret_from_fork_asm+0x1a/0x30 [ 465.738026][ T72] [ 465.740108][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 465.740108][ T72] netdev_get_by_index+0x5e/0x80 [ 465.740108][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.740108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.740108][ T72] ip6_route_add+0x1c/0x140 [ 465.740108][ T72] addrconf_prefix_route+0x2a6/0x430 [ 465.740108][ T72] inet6_addr_add+0x4f8/0xa40 [ 465.740108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.740108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.740108][ T72] netlink_rcv_skb+0x130/0x360 [ 465.740108][ T72] netlink_unicast+0x449/0x710 [ 465.740108][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.740108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.740108][ T72] ___sys_sendmsg+0xee/0x170 [ 465.740108][ T72] __sys_sendmsg+0xcd/0x170 [ 465.740108][ T72] do_syscall_64+0xc6/0x1e0 [ 465.740108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.740108][ T72] [ 465.742496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 465.742496][ T72] netdev_get_by_index+0x5e/0x80 [ 465.742496][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.742496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.742496][ T72] addrconf_f6i_alloc+0x315/0x560 [ 465.742496][ T72] ipv6_add_addr+0x411/0x2000 [ 465.742496][ T72] inet6_addr_add+0x30e/0xa40 [ 465.742496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.742496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.742496][ T72] netlink_rcv_skb+0x130/0x360 [ 465.742496][ T72] netlink_unicast+0x449/0x710 [ 465.742496][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.742496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.742496][ T72] ___sys_sendmsg+0xee/0x170 [ 465.742496][ T72] __sys_sendmsg+0xcd/0x170 [ 465.742496][ T72] do_syscall_64+0xc6/0x1e0 [ 465.742496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.742496][ T72] [ 465.744803][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 465.744803][ T72] netdev_get_by_index+0x5e/0x80 [ 465.744803][ T72] fib6_nh_init+0x3d8/0x1580 [ 465.744803][ T72] ip6_route_info_create+0xf18/0x17d0 [ 465.744803][ T72] ip6_route_add+0x1c/0x140 [ 465.744803][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 465.744803][ T72] addrconf_add_dev+0xe2/0x170 [ 465.744803][ T72] inet6_addr_add+0x12f/0xa40 [ 465.744803][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 465.744803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.744803][ T72] netlink_rcv_skb+0x130/0x360 [ 465.744803][ T72] netlink_unicast+0x449/0x710 [ 465.744803][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.744803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.744803][ T72] ___sys_sendmsg+0xee/0x170 [ 465.744803][ T72] __sys_sendmsg+0xcd/0x170 [ 465.744803][ T72] do_syscall_64+0xc6/0x1e0 [ 465.744803][ T72] [ 465.747011][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 465.747011][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 465.747011][ T72] ipv6_find_idev+0x102/0x170 [ 465.747011][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 465.747011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.747011][ T72] netlink_rcv_skb+0x130/0x360 [ 465.747011][ T72] netlink_unicast+0x449/0x710 [ 465.747011][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.747011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.747011][ T72] ___sys_sendmsg+0xee/0x170 [ 465.747011][ T72] __sys_sendmsg+0xcd/0x170 [ 465.747011][ T72] do_syscall_64+0xc6/0x1e0 [ 465.747011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.747011][ T72] [ 465.748716][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 465.748716][ T72] neigh_parms_alloc+0x1e5/0x510 [ 465.748716][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 465.748716][ T72] ipv6_find_idev+0x102/0x170 [ 465.748716][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 465.748716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 465.748716][ T72] netlink_rcv_skb+0x130/0x360 [ 465.748716][ T72] netlink_unicast+0x449/0x710 [ 465.748716][ T72] netlink_sendmsg+0x723/0xbe0 [ 465.748716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 465.748716][ T72] ___sys_sendmsg+0xee/0x170 [ 465.748716][ T72] __sys_sendmsg+0xcd/0x170 [ 465.748716][ T72] do_syscall_64+0xc6/0x1e0 [ 465.748716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 465.748716][ T72] [ 475.992978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 475.993516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 475.993516][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 475.993516][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 475.993516][ T72] fib6_nh_init+0xa22/0x1580 [ 475.993516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 475.993516][ T72] ip6_route_add+0x1c/0x140 [ 475.993516][ T72] inet6_rtm_newroute+0x104/0x110 [ 475.993516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 475.993516][ T72] netlink_rcv_skb+0x130/0x360 [ 475.993516][ T72] netlink_unicast+0x449/0x710 [ 475.993516][ T72] netlink_sendmsg+0x723/0xbe0 [ 475.993516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 475.993516][ T72] ___sys_sendmsg+0xee/0x170 [ 475.993516][ T72] __sys_sendmsg+0xcd/0x170 [ 475.993516][ T72] do_syscall_64+0xc6/0x1e0 [ 475.993516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 475.993516][ T72] [ 475.995432][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 475.995432][ T72] dst_init+0x84/0x4a0 [ 475.995432][ T72] dst_alloc+0x97/0x150 [ 475.995432][ T72] ip6_dst_alloc+0x23/0x90 [ 475.995432][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 475.995432][ T72] ip6_pol_route+0x56f/0x840 [ 475.995432][ T72] fib6_rule_lookup+0x456/0x630 [ 475.995432][ T72] ip6_route_input+0x59c/0xa50 [ 475.995432][ T72] ipv6_rcv+0x397/0x810 [ 475.995432][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 475.995432][ T72] process_backlog+0x101/0x620 [ 475.995432][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 475.995432][ T72] net_rx_action+0x495/0xbe0 [ 475.995432][ T72] __do_softirq+0x1b5/0x7f6 [ 475.995432][ T72] [ 475.997088][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 475.997088][ T72] netdev_get_by_index+0x5e/0x80 [ 475.997088][ T72] fib6_nh_init+0x3d8/0x1580 [ 475.997088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 475.997088][ T72] ip6_route_add+0x1c/0x140 [ 475.997088][ T72] addrconf_prefix_route+0x2a6/0x430 [ 475.997088][ T72] inet6_addr_add+0x4f8/0xa40 [ 475.997088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 475.997088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 475.997088][ T72] netlink_rcv_skb+0x130/0x360 [ 475.997088][ T72] netlink_unicast+0x449/0x710 [ 475.997088][ T72] netlink_sendmsg+0x723/0xbe0 [ 475.997088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 475.997088][ T72] ___sys_sendmsg+0xee/0x170 [ 475.997088][ T72] __sys_sendmsg+0xcd/0x170 [ 475.997088][ T72] do_syscall_64+0xc6/0x1e0 [ 475.997088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 475.997088][ T72] [ 475.999088][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 475.999088][ T72] netdev_get_by_index+0x5e/0x80 [ 475.999088][ T72] fib6_nh_init+0x3d8/0x1580 [ 475.999088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 475.999088][ T72] addrconf_f6i_alloc+0x315/0x560 [ 475.999088][ T72] ipv6_add_addr+0x411/0x2000 [ 475.999088][ T72] inet6_addr_add+0x30e/0xa40 [ 475.999088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 475.999088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 475.999088][ T72] netlink_rcv_skb+0x130/0x360 [ 475.999088][ T72] netlink_unicast+0x449/0x710 [ 475.999088][ T72] netlink_sendmsg+0x723/0xbe0 [ 475.999088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 475.999088][ T72] ___sys_sendmsg+0xee/0x170 [ 475.999088][ T72] __sys_sendmsg+0xcd/0x170 [ 475.999088][ T72] do_syscall_64+0xc6/0x1e0 [ 475.999088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 475.999088][ T72] [ 476.001085][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 476.001085][ T72] netdev_get_by_index+0x5e/0x80 [ 476.001085][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.001085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.001085][ T72] ip6_route_add+0x1c/0x140 [ 476.001085][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 476.001085][ T72] addrconf_add_dev+0xe2/0x170 [ 476.001085][ T72] inet6_addr_add+0x12f/0xa40 [ 476.001085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.001085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.001085][ T72] netlink_rcv_skb+0x130/0x360 [ 476.001085][ T72] netlink_unicast+0x449/0x710 [ 476.001085][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.001085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.001085][ T72] ___sys_sendmsg+0xee/0x170 [ 476.001085][ T72] __sys_sendmsg+0xcd/0x170 [ 476.001085][ T72] do_syscall_64+0xc6/0x1e0 [ 476.001085][ T72] [ 476.003068][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 476.003068][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 476.003068][ T72] ipv6_find_idev+0x102/0x170 [ 476.003068][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 476.003068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.003068][ T72] netlink_rcv_skb+0x130/0x360 [ 476.003068][ T72] netlink_unicast+0x449/0x710 [ 476.003068][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.003068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.003068][ T72] ___sys_sendmsg+0xee/0x170 [ 476.003068][ T72] __sys_sendmsg+0xcd/0x170 [ 476.003068][ T72] do_syscall_64+0xc6/0x1e0 [ 476.003068][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.003068][ T72] [ 476.004612][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 476.004612][ T72] neigh_parms_alloc+0x1e5/0x510 [ 476.004612][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 476.004612][ T72] ipv6_find_idev+0x102/0x170 [ 476.004612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 476.004612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.004612][ T72] netlink_rcv_skb+0x130/0x360 [ 476.004612][ T72] netlink_unicast+0x449/0x710 [ 476.004612][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.004612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.004612][ T72] ___sys_sendmsg+0xee/0x170 [ 476.004612][ T72] __sys_sendmsg+0xcd/0x170 [ 476.004612][ T72] do_syscall_64+0xc6/0x1e0 [ 476.004612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.004612][ T72] [ 476.006348][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 476.006622][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 476.006622][ T72] dst_init+0x84/0x4a0 [ 476.006622][ T72] dst_alloc+0x97/0x150 [ 476.006622][ T72] ip6_dst_alloc+0x23/0x90 [ 476.006622][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 476.006622][ T72] ip6_pol_route+0x56f/0x840 [ 476.006622][ T72] fib6_rule_lookup+0x456/0x630 [ 476.006622][ T72] ip6_route_input+0x59c/0xa50 [ 476.006622][ T72] ipv6_rcv+0x397/0x810 [ 476.006622][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 476.006622][ T72] process_backlog+0x101/0x620 [ 476.006622][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 476.006622][ T72] net_rx_action+0x495/0xbe0 [ 476.006622][ T72] __do_softirq+0x1b5/0x7f6 [ 476.006622][ T72] [ 476.008273][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 476.008273][ T72] netdev_get_by_index+0x5e/0x80 [ 476.008273][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.008273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.008273][ T72] addrconf_f6i_alloc+0x265/0x560 [ 476.008273][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 476.008273][ T72] addrconf_join_anycast+0x1c0/0x220 [ 476.008273][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 476.008273][ T72] addrconf_dad_completed+0x12b/0xe20 [ 476.008273][ T72] addrconf_dad_begin+0x310/0x670 [ 476.008273][ T72] addrconf_dad_work+0x10b/0xab0 [ 476.008273][ T72] process_one_work+0x84d/0x18a0 [ 476.008273][ T72] worker_thread+0x587/0xd30 [ 476.008273][ T72] kthread+0x28a/0x350 [ 476.008273][ T72] ret_from_fork+0x31/0x70 [ 476.008273][ T72] ret_from_fork_asm+0x1a/0x30 [ 476.008273][ T72] [ 476.010187][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 476.010187][ T72] netdev_get_by_index+0x5e/0x80 [ 476.010187][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.010187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.010187][ T72] ip6_route_add+0x1c/0x140 [ 476.010187][ T72] addrconf_prefix_route+0x2a6/0x430 [ 476.010187][ T72] inet6_addr_add+0x4f8/0xa40 [ 476.010187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.010187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.010187][ T72] netlink_rcv_skb+0x130/0x360 [ 476.010187][ T72] netlink_unicast+0x449/0x710 [ 476.010187][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.010187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.010187][ T72] ___sys_sendmsg+0xee/0x170 [ 476.010187][ T72] __sys_sendmsg+0xcd/0x170 [ 476.010187][ T72] do_syscall_64+0xc6/0x1e0 [ 476.010187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.010187][ T72] [ 476.012208][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 476.012208][ T72] netdev_get_by_index+0x5e/0x80 [ 476.012208][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.012208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.012208][ T72] addrconf_f6i_alloc+0x315/0x560 [ 476.012208][ T72] ipv6_add_addr+0x411/0x2000 [ 476.012208][ T72] inet6_addr_add+0x30e/0xa40 [ 476.012208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.012208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.012208][ T72] netlink_rcv_skb+0x130/0x360 [ 476.012208][ T72] netlink_unicast+0x449/0x710 [ 476.012208][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.012208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.012208][ T72] ___sys_sendmsg+0xee/0x170 [ 476.012208][ T72] __sys_sendmsg+0xcd/0x170 [ 476.012208][ T72] do_syscall_64+0xc6/0x1e0 [ 476.012208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.012208][ T72] [ 476.014206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 476.014206][ T72] netdev_get_by_index+0x5e/0x80 [ 476.014206][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.014206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.014206][ T72] ip6_route_add+0x1c/0x140 [ 476.014206][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 476.014206][ T72] addrconf_add_dev+0xe2/0x170 [ 476.014206][ T72] inet6_addr_add+0x12f/0xa40 [ 476.014206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.014206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.014206][ T72] netlink_rcv_skb+0x130/0x360 [ 476.014206][ T72] netlink_unicast+0x449/0x710 [ 476.014206][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.014206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.014206][ T72] ___sys_sendmsg+0xee/0x170 [ 476.014206][ T72] __sys_sendmsg+0xcd/0x170 [ 476.014206][ T72] do_syscall_64+0xc6/0x1e0 [ 476.014206][ T72] [ 476.016178][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 476.016178][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 476.016178][ T72] ipv6_find_idev+0x102/0x170 [ 476.016178][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 476.016178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.016178][ T72] netlink_rcv_skb+0x130/0x360 [ 476.016178][ T72] netlink_unicast+0x449/0x710 [ 476.016178][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.016178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.016178][ T72] ___sys_sendmsg+0xee/0x170 [ 476.016178][ T72] __sys_sendmsg+0xcd/0x170 [ 476.016178][ T72] do_syscall_64+0xc6/0x1e0 [ 476.016178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.016178][ T72] [ 476.017716][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 476.017716][ T72] neigh_parms_alloc+0x1e5/0x510 [ 476.017716][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 476.017716][ T72] ipv6_find_idev+0x102/0x170 [ 476.017716][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 476.017716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.017716][ T72] netlink_rcv_skb+0x130/0x360 [ 476.017716][ T72] netlink_unicast+0x449/0x710 [ 476.017716][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.017716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.017716][ T72] ___sys_sendmsg+0xee/0x170 [ 476.017716][ T72] __sys_sendmsg+0xcd/0x170 [ 476.017716][ T72] do_syscall_64+0xc6/0x1e0 [ 476.017716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.017716][ T72] [ 476.019525][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 476.019797][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 476.019797][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 476.019797][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 476.019797][ T72] fib6_nh_init+0xa22/0x1580 [ 476.019797][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.019797][ T72] ip6_route_add+0x1c/0x140 [ 476.019797][ T72] inet6_rtm_newroute+0x104/0x110 [ 476.019797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.019797][ T72] netlink_rcv_skb+0x130/0x360 [ 476.019797][ T72] netlink_unicast+0x449/0x710 [ 476.019797][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.019797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.019797][ T72] ___sys_sendmsg+0xee/0x170 [ 476.019797][ T72] __sys_sendmsg+0xcd/0x170 [ 476.019797][ T72] do_syscall_64+0xc6/0x1e0 [ 476.019797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.019797][ T72] [ 476.021991][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 476.021991][ T72] dst_init+0x84/0x4a0 [ 476.021991][ T72] dst_alloc+0x97/0x150 [ 476.021991][ T72] ip6_dst_alloc+0x23/0x90 [ 476.021991][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 476.021991][ T72] ip6_pol_route+0x56f/0x840 [ 476.021991][ T72] fib6_rule_lookup+0x456/0x630 [ 476.021991][ T72] ip6_route_input+0x59c/0xa50 [ 476.021991][ T72] ipv6_rcv+0x397/0x810 [ 476.021991][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 476.021991][ T72] process_backlog+0x101/0x620 [ 476.021991][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 476.021991][ T72] net_rx_action+0x495/0xbe0 [ 476.021991][ T72] __do_softirq+0x1b5/0x7f6 [ 476.021991][ T72] [ 476.023805][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 476.023805][ T72] netdev_get_by_index+0x5e/0x80 [ 476.023805][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.023805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.023805][ T72] ip6_route_add+0x1c/0x140 [ 476.023805][ T72] addrconf_prefix_route+0x2a6/0x430 [ 476.023805][ T72] inet6_addr_add+0x4f8/0xa40 [ 476.023805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.023805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.023805][ T72] netlink_rcv_skb+0x130/0x360 [ 476.023805][ T72] netlink_unicast+0x449/0x710 [ 476.023805][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.023805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.023805][ T72] ___sys_sendmsg+0xee/0x170 [ 476.023805][ T72] __sys_sendmsg+0xcd/0x170 [ 476.023805][ T72] do_syscall_64+0xc6/0x1e0 [ 476.023805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.023805][ T72] [ 476.026039][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 476.026039][ T72] netdev_get_by_index+0x5e/0x80 [ 476.026039][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.026039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.026039][ T72] addrconf_f6i_alloc+0x315/0x560 [ 476.026039][ T72] ipv6_add_addr+0x411/0x2000 [ 476.026039][ T72] inet6_addr_add+0x30e/0xa40 [ 476.026039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.026039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.026039][ T72] netlink_rcv_skb+0x130/0x360 [ 476.026039][ T72] netlink_unicast+0x449/0x710 [ 476.026039][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.026039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.026039][ T72] ___sys_sendmsg+0xee/0x170 [ 476.026039][ T72] __sys_sendmsg+0xcd/0x170 [ 476.026039][ T72] do_syscall_64+0xc6/0x1e0 [ 476.026039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.026039][ T72] [ 476.028100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 476.028100][ T72] netdev_get_by_index+0x5e/0x80 [ 476.028100][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.028100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.028100][ T72] ip6_route_add+0x1c/0x140 [ 476.028100][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 476.028100][ T72] addrconf_add_dev+0xe2/0x170 [ 476.028100][ T72] inet6_addr_add+0x12f/0xa40 [ 476.028100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.028100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.028100][ T72] netlink_rcv_skb+0x130/0x360 [ 476.028100][ T72] netlink_unicast+0x449/0x710 [ 476.028100][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.028100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.028100][ T72] ___sys_sendmsg+0xee/0x170 [ 476.028100][ T72] __sys_sendmsg+0xcd/0x170 [ 476.028100][ T72] do_syscall_64+0xc6/0x1e0 [ 476.028100][ T72] [ 476.030305][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 476.030305][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 476.030305][ T72] ipv6_find_idev+0x102/0x170 [ 476.030305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 476.030305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.030305][ T72] netlink_rcv_skb+0x130/0x360 [ 476.030305][ T72] netlink_unicast+0x449/0x710 [ 476.030305][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.030305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.030305][ T72] ___sys_sendmsg+0xee/0x170 [ 476.030305][ T72] __sys_sendmsg+0xcd/0x170 [ 476.030305][ T72] do_syscall_64+0xc6/0x1e0 [ 476.030305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.030305][ T72] [ 476.031926][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 476.031926][ T72] neigh_parms_alloc+0x1e5/0x510 [ 476.031926][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 476.031926][ T72] ipv6_find_idev+0x102/0x170 [ 476.031926][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 476.031926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.031926][ T72] netlink_rcv_skb+0x130/0x360 [ 476.031926][ T72] netlink_unicast+0x449/0x710 [ 476.031926][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.031926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.031926][ T72] ___sys_sendmsg+0xee/0x170 [ 476.031926][ T72] __sys_sendmsg+0xcd/0x170 [ 476.031926][ T72] do_syscall_64+0xc6/0x1e0 [ 476.031926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.031926][ T72] [ 476.033761][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 476.034492][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 476.034492][ T72] netdev_get_by_index+0x5e/0x80 [ 476.034492][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.034492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.034492][ T72] addrconf_f6i_alloc+0x265/0x560 [ 476.034492][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 476.034492][ T72] addrconf_join_anycast+0x1c0/0x220 [ 476.034492][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 476.034492][ T72] addrconf_dad_completed+0x12b/0xe20 [ 476.034492][ T72] addrconf_dad_begin+0x310/0x670 [ 476.034492][ T72] addrconf_dad_work+0x10b/0xab0 [ 476.034492][ T72] process_one_work+0x84d/0x18a0 [ 476.034492][ T72] worker_thread+0x587/0xd30 [ 476.034492][ T72] kthread+0x28a/0x350 [ 476.034492][ T72] ret_from_fork+0x31/0x70 [ 476.034492][ T72] ret_from_fork_asm+0x1a/0x30 [ 476.034492][ T72] [ 476.036411][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 476.036411][ T72] netdev_get_by_index+0x5e/0x80 [ 476.036411][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.036411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.036411][ T72] ip6_route_add+0x1c/0x140 [ 476.036411][ T72] addrconf_prefix_route+0x2a6/0x430 [ 476.036411][ T72] inet6_addr_add+0x4f8/0xa40 [ 476.036411][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.036411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.036411][ T72] netlink_rcv_skb+0x130/0x360 [ 476.036411][ T72] netlink_unicast+0x449/0x710 [ 476.036411][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.036411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.036411][ T72] ___sys_sendmsg+0xee/0x170 [ 476.036411][ T72] __sys_sendmsg+0xcd/0x170 [ 476.036411][ T72] do_syscall_64+0xc6/0x1e0 [ 476.036411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.036411][ T72] [ 476.038496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 476.038496][ T72] netdev_get_by_index+0x5e/0x80 [ 476.038496][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.038496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.038496][ T72] addrconf_f6i_alloc+0x315/0x560 [ 476.038496][ T72] ipv6_add_addr+0x411/0x2000 [ 476.038496][ T72] inet6_addr_add+0x30e/0xa40 [ 476.038496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.038496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.038496][ T72] netlink_rcv_skb+0x130/0x360 [ 476.038496][ T72] netlink_unicast+0x449/0x710 [ 476.038496][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.038496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.038496][ T72] ___sys_sendmsg+0xee/0x170 [ 476.038496][ T72] __sys_sendmsg+0xcd/0x170 [ 476.038496][ T72] do_syscall_64+0xc6/0x1e0 [ 476.038496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.038496][ T72] [ 476.040637][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 476.040637][ T72] netdev_get_by_index+0x5e/0x80 [ 476.040637][ T72] fib6_nh_init+0x3d8/0x1580 [ 476.040637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 476.040637][ T72] ip6_route_add+0x1c/0x140 [ 476.040637][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 476.040637][ T72] addrconf_add_dev+0xe2/0x170 [ 476.040637][ T72] inet6_addr_add+0x12f/0xa40 [ 476.040637][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 476.040637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.040637][ T72] netlink_rcv_skb+0x130/0x360 [ 476.040637][ T72] netlink_unicast+0x449/0x710 [ 476.040637][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.040637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.040637][ T72] ___sys_sendmsg+0xee/0x170 [ 476.040637][ T72] __sys_sendmsg+0xcd/0x170 [ 476.040637][ T72] do_syscall_64+0xc6/0x1e0 [ 476.040637][ T72] [ 476.042745][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 476.042745][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 476.042745][ T72] ipv6_find_idev+0x102/0x170 [ 476.042745][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 476.042745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.042745][ T72] netlink_rcv_skb+0x130/0x360 [ 476.042745][ T72] netlink_unicast+0x449/0x710 [ 476.042745][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.042745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.042745][ T72] ___sys_sendmsg+0xee/0x170 [ 476.042745][ T72] __sys_sendmsg+0xcd/0x170 [ 476.042745][ T72] do_syscall_64+0xc6/0x1e0 [ 476.042745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.042745][ T72] [ 476.044351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 476.044351][ T72] neigh_parms_alloc+0x1e5/0x510 [ 476.044351][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 476.044351][ T72] ipv6_find_idev+0x102/0x170 [ 476.044351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 476.044351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 476.044351][ T72] netlink_rcv_skb+0x130/0x360 [ 476.044351][ T72] netlink_unicast+0x449/0x710 [ 476.044351][ T72] netlink_sendmsg+0x723/0xbe0 [ 476.044351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 476.044351][ T72] ___sys_sendmsg+0xee/0x170 [ 476.044351][ T72] __sys_sendmsg+0xcd/0x170 [ 476.044351][ T72] do_syscall_64+0xc6/0x1e0 [ 476.044351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 476.044351][ T72] [ 486.288995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 486.289705][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 486.289705][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 486.289705][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 486.289705][ T72] fib6_nh_init+0xa22/0x1580 [ 486.289705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.289705][ T72] ip6_route_add+0x1c/0x140 [ 486.289705][ T72] inet6_rtm_newroute+0x104/0x110 [ 486.289705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.289705][ T72] netlink_rcv_skb+0x130/0x360 [ 486.289705][ T72] netlink_unicast+0x449/0x710 [ 486.289705][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.289705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.289705][ T72] ___sys_sendmsg+0xee/0x170 [ 486.289705][ T72] __sys_sendmsg+0xcd/0x170 [ 486.289705][ T72] do_syscall_64+0xc6/0x1e0 [ 486.289705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.289705][ T72] [ 486.293063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 486.293063][ T72] dst_init+0x84/0x4a0 [ 486.293063][ T72] dst_alloc+0x97/0x150 [ 486.293063][ T72] ip6_dst_alloc+0x23/0x90 [ 486.293063][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 486.293063][ T72] ip6_pol_route+0x56f/0x840 [ 486.293063][ T72] fib6_rule_lookup+0x456/0x630 [ 486.293063][ T72] ip6_route_input+0x59c/0xa50 [ 486.293063][ T72] ipv6_rcv+0x397/0x810 [ 486.293063][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 486.293063][ T72] process_backlog+0x101/0x620 [ 486.293063][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 486.293063][ T72] net_rx_action+0x495/0xbe0 [ 486.293063][ T72] __do_softirq+0x1b5/0x7f6 [ 486.293063][ T72] [ 486.295954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 486.295954][ T72] netdev_get_by_index+0x5e/0x80 [ 486.295954][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.295954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.295954][ T72] ip6_route_add+0x1c/0x140 [ 486.295954][ T72] addrconf_prefix_route+0x2a6/0x430 [ 486.295954][ T72] inet6_addr_add+0x4f8/0xa40 [ 486.295954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.295954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.295954][ T72] netlink_rcv_skb+0x130/0x360 [ 486.295954][ T72] netlink_unicast+0x449/0x710 [ 486.295954][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.295954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.295954][ T72] ___sys_sendmsg+0xee/0x170 [ 486.295954][ T72] __sys_sendmsg+0xcd/0x170 [ 486.295954][ T72] do_syscall_64+0xc6/0x1e0 [ 486.295954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.295954][ T72] [ 486.299478][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 486.299478][ T72] netdev_get_by_index+0x5e/0x80 [ 486.299478][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.299478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.299478][ T72] addrconf_f6i_alloc+0x315/0x560 [ 486.299478][ T72] ipv6_add_addr+0x411/0x2000 [ 486.299478][ T72] inet6_addr_add+0x30e/0xa40 [ 486.299478][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.299478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.299478][ T72] netlink_rcv_skb+0x130/0x360 [ 486.299478][ T72] netlink_unicast+0x449/0x710 [ 486.299478][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.299478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.299478][ T72] ___sys_sendmsg+0xee/0x170 [ 486.299478][ T72] __sys_sendmsg+0xcd/0x170 [ 486.299478][ T72] do_syscall_64+0xc6/0x1e0 [ 486.299478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.299478][ T72] [ 486.302912][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 486.302912][ T72] netdev_get_by_index+0x5e/0x80 [ 486.302912][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.302912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.302912][ T72] ip6_route_add+0x1c/0x140 [ 486.302912][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 486.302912][ T72] addrconf_add_dev+0xe2/0x170 [ 486.302912][ T72] inet6_addr_add+0x12f/0xa40 [ 486.302912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.302912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.302912][ T72] netlink_rcv_skb+0x130/0x360 [ 486.302912][ T72] netlink_unicast+0x449/0x710 [ 486.302912][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.302912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.302912][ T72] ___sys_sendmsg+0xee/0x170 [ 486.302912][ T72] __sys_sendmsg+0xcd/0x170 [ 486.302912][ T72] do_syscall_64+0xc6/0x1e0 [ 486.302912][ T72] [ 486.306362][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 486.306362][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 486.306362][ T72] ipv6_find_idev+0x102/0x170 [ 486.306362][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 486.306362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.306362][ T72] netlink_rcv_skb+0x130/0x360 [ 486.306362][ T72] netlink_unicast+0x449/0x710 [ 486.306362][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.306362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.306362][ T72] ___sys_sendmsg+0xee/0x170 [ 486.306362][ T72] __sys_sendmsg+0xcd/0x170 [ 486.306362][ T72] do_syscall_64+0xc6/0x1e0 [ 486.306362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.306362][ T72] [ 486.309080][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 486.309080][ T72] neigh_parms_alloc+0x1e5/0x510 [ 486.309080][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 486.309080][ T72] ipv6_find_idev+0x102/0x170 [ 486.309080][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 486.309080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.309080][ T72] netlink_rcv_skb+0x130/0x360 [ 486.309080][ T72] netlink_unicast+0x449/0x710 [ 486.309080][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.309080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.309080][ T72] ___sys_sendmsg+0xee/0x170 [ 486.309080][ T72] __sys_sendmsg+0xcd/0x170 [ 486.309080][ T72] do_syscall_64+0xc6/0x1e0 [ 486.309080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.309080][ T72] [ 486.312087][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 486.312592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 486.312592][ T72] dst_init+0x84/0x4a0 [ 486.312592][ T72] dst_alloc+0x97/0x150 [ 486.312592][ T72] ip6_dst_alloc+0x23/0x90 [ 486.312592][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 486.312592][ T72] ip6_pol_route+0x56f/0x840 [ 486.312592][ T72] fib6_rule_lookup+0x456/0x630 [ 486.312592][ T72] ip6_route_input+0x59c/0xa50 [ 486.312592][ T72] ipv6_rcv+0x397/0x810 [ 486.312592][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 486.312592][ T72] process_backlog+0x101/0x620 [ 486.312592][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 486.312592][ T72] net_rx_action+0x495/0xbe0 [ 486.312592][ T72] __do_softirq+0x1b5/0x7f6 [ 486.312592][ T72] [ 486.315459][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 486.315459][ T72] netdev_get_by_index+0x5e/0x80 [ 486.315459][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.315459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.315459][ T72] addrconf_f6i_alloc+0x265/0x560 [ 486.315459][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 486.315459][ T72] addrconf_join_anycast+0x1c0/0x220 [ 486.315459][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 486.315459][ T72] addrconf_dad_completed+0x12b/0xe20 [ 486.315459][ T72] addrconf_dad_begin+0x310/0x670 [ 486.315459][ T72] addrconf_dad_work+0x10b/0xab0 [ 486.315459][ T72] process_one_work+0x84d/0x18a0 [ 486.315459][ T72] worker_thread+0x587/0xd30 [ 486.315459][ T72] kthread+0x28a/0x350 [ 486.315459][ T72] ret_from_fork+0x31/0x70 [ 486.315459][ T72] ret_from_fork_asm+0x1a/0x30 [ 486.315459][ T72] [ 486.318798][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 486.318798][ T72] netdev_get_by_index+0x5e/0x80 [ 486.318798][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.318798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.318798][ T72] ip6_route_add+0x1c/0x140 [ 486.318798][ T72] addrconf_prefix_route+0x2a6/0x430 [ 486.318798][ T72] inet6_addr_add+0x4f8/0xa40 [ 486.318798][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.318798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.318798][ T72] netlink_rcv_skb+0x130/0x360 [ 486.318798][ T72] netlink_unicast+0x449/0x710 [ 486.318798][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.318798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.318798][ T72] ___sys_sendmsg+0xee/0x170 [ 486.318798][ T72] __sys_sendmsg+0xcd/0x170 [ 486.318798][ T72] do_syscall_64+0xc6/0x1e0 [ 486.318798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.318798][ T72] [ 486.321551][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 486.321551][ T72] netdev_get_by_index+0x5e/0x80 [ 486.321551][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.321551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.321551][ T72] addrconf_f6i_alloc+0x315/0x560 [ 486.321551][ T72] ipv6_add_addr+0x411/0x2000 [ 486.321551][ T72] inet6_addr_add+0x30e/0xa40 [ 486.321551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.321551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.321551][ T72] netlink_rcv_skb+0x130/0x360 [ 486.321551][ T72] netlink_unicast+0x449/0x710 [ 486.321551][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.321551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.321551][ T72] ___sys_sendmsg+0xee/0x170 [ 486.321551][ T72] __sys_sendmsg+0xcd/0x170 [ 486.321551][ T72] do_syscall_64+0xc6/0x1e0 [ 486.321551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.321551][ T72] [ 486.323823][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 486.323823][ T72] netdev_get_by_index+0x5e/0x80 [ 486.323823][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.323823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.323823][ T72] ip6_route_add+0x1c/0x140 [ 486.323823][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 486.323823][ T72] addrconf_add_dev+0xe2/0x170 [ 486.323823][ T72] inet6_addr_add+0x12f/0xa40 [ 486.323823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.323823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.323823][ T72] netlink_rcv_skb+0x130/0x360 [ 486.323823][ T72] netlink_unicast+0x449/0x710 [ 486.323823][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.323823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.323823][ T72] ___sys_sendmsg+0xee/0x170 [ 486.323823][ T72] __sys_sendmsg+0xcd/0x170 [ 486.323823][ T72] do_syscall_64+0xc6/0x1e0 [ 486.323823][ T72] [ 486.326107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 486.326107][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 486.326107][ T72] ipv6_find_idev+0x102/0x170 [ 486.326107][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 486.326107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.326107][ T72] netlink_rcv_skb+0x130/0x360 [ 486.326107][ T72] netlink_unicast+0x449/0x710 [ 486.326107][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.326107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.326107][ T72] ___sys_sendmsg+0xee/0x170 [ 486.326107][ T72] __sys_sendmsg+0xcd/0x170 [ 486.326107][ T72] do_syscall_64+0xc6/0x1e0 [ 486.326107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.326107][ T72] [ 486.327864][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 486.327864][ T72] neigh_parms_alloc+0x1e5/0x510 [ 486.327864][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 486.327864][ T72] ipv6_find_idev+0x102/0x170 [ 486.327864][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 486.327864][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.327864][ T72] netlink_rcv_skb+0x130/0x360 [ 486.327864][ T72] netlink_unicast+0x449/0x710 [ 486.327864][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.327864][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.327864][ T72] ___sys_sendmsg+0xee/0x170 [ 486.327864][ T72] __sys_sendmsg+0xcd/0x170 [ 486.327864][ T72] do_syscall_64+0xc6/0x1e0 [ 486.327864][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.327864][ T72] [ 486.329986][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 486.330307][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 486.330307][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 486.330307][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 486.330307][ T72] fib6_nh_init+0xa22/0x1580 [ 486.330307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.330307][ T72] ip6_route_add+0x1c/0x140 [ 486.330307][ T72] inet6_rtm_newroute+0x104/0x110 [ 486.330307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.330307][ T72] netlink_rcv_skb+0x130/0x360 [ 486.330307][ T72] netlink_unicast+0x449/0x710 [ 486.330307][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.330307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.330307][ T72] ___sys_sendmsg+0xee/0x170 [ 486.330307][ T72] __sys_sendmsg+0xcd/0x170 [ 486.330307][ T72] do_syscall_64+0xc6/0x1e0 [ 486.330307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.330307][ T72] [ 486.332691][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 486.332691][ T72] dst_init+0x84/0x4a0 [ 486.332691][ T72] dst_alloc+0x97/0x150 [ 486.332691][ T72] ip6_dst_alloc+0x23/0x90 [ 486.332691][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 486.332691][ T72] ip6_pol_route+0x56f/0x840 [ 486.332691][ T72] fib6_rule_lookup+0x456/0x630 [ 486.332691][ T72] ip6_route_input+0x59c/0xa50 [ 486.332691][ T72] ipv6_rcv+0x397/0x810 [ 486.332691][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 486.332691][ T72] process_backlog+0x101/0x620 [ 486.332691][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 486.332691][ T72] net_rx_action+0x495/0xbe0 [ 486.332691][ T72] __do_softirq+0x1b5/0x7f6 [ 486.332691][ T72] [ 486.334725][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 486.334725][ T72] netdev_get_by_index+0x5e/0x80 [ 486.334725][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.334725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.334725][ T72] ip6_route_add+0x1c/0x140 [ 486.334725][ T72] addrconf_prefix_route+0x2a6/0x430 [ 486.334725][ T72] inet6_addr_add+0x4f8/0xa40 [ 486.334725][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.334725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.334725][ T72] netlink_rcv_skb+0x130/0x360 [ 486.334725][ T72] netlink_unicast+0x449/0x710 [ 486.334725][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.334725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.334725][ T72] ___sys_sendmsg+0xee/0x170 [ 486.334725][ T72] __sys_sendmsg+0xcd/0x170 [ 486.334725][ T72] do_syscall_64+0xc6/0x1e0 [ 486.334725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.334725][ T72] [ 486.337290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 486.337290][ T72] netdev_get_by_index+0x5e/0x80 [ 486.337290][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.337290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.337290][ T72] addrconf_f6i_alloc+0x315/0x560 [ 486.337290][ T72] ipv6_add_addr+0x411/0x2000 [ 486.337290][ T72] inet6_addr_add+0x30e/0xa40 [ 486.337290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.337290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.337290][ T72] netlink_rcv_skb+0x130/0x360 [ 486.337290][ T72] netlink_unicast+0x449/0x710 [ 486.337290][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.337290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.337290][ T72] ___sys_sendmsg+0xee/0x170 [ 486.337290][ T72] __sys_sendmsg+0xcd/0x170 [ 486.337290][ T72] do_syscall_64+0xc6/0x1e0 [ 486.337290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.337290][ T72] [ 486.339788][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 486.339788][ T72] netdev_get_by_index+0x5e/0x80 [ 486.339788][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.339788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.339788][ T72] ip6_route_add+0x1c/0x140 [ 486.339788][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 486.339788][ T72] addrconf_add_dev+0xe2/0x170 [ 486.339788][ T72] inet6_addr_add+0x12f/0xa40 [ 486.339788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.339788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.339788][ T72] netlink_rcv_skb+0x130/0x360 [ 486.339788][ T72] netlink_unicast+0x449/0x710 [ 486.339788][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.339788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.339788][ T72] ___sys_sendmsg+0xee/0x170 [ 486.339788][ T72] __sys_sendmsg+0xcd/0x170 [ 486.339788][ T72] do_syscall_64+0xc6/0x1e0 [ 486.339788][ T72] [ 486.342261][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 486.342261][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 486.342261][ T72] ipv6_find_idev+0x102/0x170 [ 486.342261][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 486.342261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.342261][ T72] netlink_rcv_skb+0x130/0x360 [ 486.342261][ T72] netlink_unicast+0x449/0x710 [ 486.342261][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.342261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.342261][ T72] ___sys_sendmsg+0xee/0x170 [ 486.342261][ T72] __sys_sendmsg+0xcd/0x170 [ 486.342261][ T72] do_syscall_64+0xc6/0x1e0 [ 486.342261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.342261][ T72] [ 486.344179][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 486.344179][ T72] neigh_parms_alloc+0x1e5/0x510 [ 486.344179][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 486.344179][ T72] ipv6_find_idev+0x102/0x170 [ 486.344179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 486.344179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.344179][ T72] netlink_rcv_skb+0x130/0x360 [ 486.344179][ T72] netlink_unicast+0x449/0x710 [ 486.344179][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.344179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.344179][ T72] ___sys_sendmsg+0xee/0x170 [ 486.344179][ T72] __sys_sendmsg+0xcd/0x170 [ 486.344179][ T72] do_syscall_64+0xc6/0x1e0 [ 486.344179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.344179][ T72] [ 486.346354][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 486.346747][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 486.346747][ T72] netdev_get_by_index+0x5e/0x80 [ 486.346747][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.346747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.346747][ T72] addrconf_f6i_alloc+0x265/0x560 [ 486.346747][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 486.346747][ T72] addrconf_join_anycast+0x1c0/0x220 [ 486.346747][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 486.346747][ T72] addrconf_dad_completed+0x12b/0xe20 [ 486.346747][ T72] addrconf_dad_begin+0x310/0x670 [ 486.346747][ T72] addrconf_dad_work+0x10b/0xab0 [ 486.346747][ T72] process_one_work+0x84d/0x18a0 [ 486.346747][ T72] worker_thread+0x587/0xd30 [ 486.346747][ T72] kthread+0x28a/0x350 [ 486.346747][ T72] ret_from_fork+0x31/0x70 [ 486.346747][ T72] ret_from_fork_asm+0x1a/0x30 [ 486.346747][ T72] [ 486.349135][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 486.349135][ T72] netdev_get_by_index+0x5e/0x80 [ 486.349135][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.349135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.349135][ T72] ip6_route_add+0x1c/0x140 [ 486.349135][ T72] addrconf_prefix_route+0x2a6/0x430 [ 486.349135][ T72] inet6_addr_add+0x4f8/0xa40 [ 486.349135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.349135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.349135][ T72] netlink_rcv_skb+0x130/0x360 [ 486.349135][ T72] netlink_unicast+0x449/0x710 [ 486.349135][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.349135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.349135][ T72] ___sys_sendmsg+0xee/0x170 [ 486.349135][ T72] __sys_sendmsg+0xcd/0x170 [ 486.349135][ T72] do_syscall_64+0xc6/0x1e0 [ 486.349135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.349135][ T72] [ 486.351641][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 486.351641][ T72] netdev_get_by_index+0x5e/0x80 [ 486.351641][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.351641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.351641][ T72] addrconf_f6i_alloc+0x315/0x560 [ 486.351641][ T72] ipv6_add_addr+0x411/0x2000 [ 486.351641][ T72] inet6_addr_add+0x30e/0xa40 [ 486.351641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.351641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.351641][ T72] netlink_rcv_skb+0x130/0x360 [ 486.351641][ T72] netlink_unicast+0x449/0x710 [ 486.351641][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.351641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.351641][ T72] ___sys_sendmsg+0xee/0x170 [ 486.351641][ T72] __sys_sendmsg+0xcd/0x170 [ 486.351641][ T72] do_syscall_64+0xc6/0x1e0 [ 486.351641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.351641][ T72] [ 486.354065][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 486.354065][ T72] netdev_get_by_index+0x5e/0x80 [ 486.354065][ T72] fib6_nh_init+0x3d8/0x1580 [ 486.354065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 486.354065][ T72] ip6_route_add+0x1c/0x140 [ 486.354065][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 486.354065][ T72] addrconf_add_dev+0xe2/0x170 [ 486.354065][ T72] inet6_addr_add+0x12f/0xa40 [ 486.354065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 486.354065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.354065][ T72] netlink_rcv_skb+0x130/0x360 [ 486.354065][ T72] netlink_unicast+0x449/0x710 [ 486.354065][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.354065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.354065][ T72] ___sys_sendmsg+0xee/0x170 [ 486.354065][ T72] __sys_sendmsg+0xcd/0x170 [ 486.354065][ T72] do_syscall_64+0xc6/0x1e0 [ 486.354065][ T72] [ 486.356317][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 486.356317][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 486.356317][ T72] ipv6_find_idev+0x102/0x170 [ 486.356317][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 486.356317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.356317][ T72] netlink_rcv_skb+0x130/0x360 [ 486.356317][ T72] netlink_unicast+0x449/0x710 [ 486.356317][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.356317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.356317][ T72] ___sys_sendmsg+0xee/0x170 [ 486.356317][ T72] __sys_sendmsg+0xcd/0x170 [ 486.356317][ T72] do_syscall_64+0xc6/0x1e0 [ 486.356317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.356317][ T72] [ 486.358315][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 486.358315][ T72] neigh_parms_alloc+0x1e5/0x510 [ 486.358315][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 486.358315][ T72] ipv6_find_idev+0x102/0x170 [ 486.358315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 486.358315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 486.358315][ T72] netlink_rcv_skb+0x130/0x360 [ 486.358315][ T72] netlink_unicast+0x449/0x710 [ 486.358315][ T72] netlink_sendmsg+0x723/0xbe0 [ 486.358315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 486.358315][ T72] ___sys_sendmsg+0xee/0x170 [ 486.358315][ T72] __sys_sendmsg+0xcd/0x170 [ 486.358315][ T72] do_syscall_64+0xc6/0x1e0 [ 486.358315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 486.358315][ T72] [ 492.840961][ T42] INFO: task modprobe:885 blocked for more than 368 seconds. [ 492.841309][ T42] Not tainted 6.8.0-virtme #1 [ 492.841432][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 492.841638][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 492.841936][ T42] Call Trace: [ 492.842057][ T42] [ 492.842133][ T42] __schedule+0x705/0x1ac0 [ 492.842273][ T42] ? __pfx___schedule+0x10/0x10 [ 492.842401][ T42] ? schedule+0x1a5/0x210 [ 492.842503][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 492.842644][ T42] ? schedule+0x1a5/0x210 [ 492.842744][ T42] schedule+0xdf/0x210 [ 492.842873][ T42] schedule_preempt_disabled+0x15/0x30 [ 492.843014][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 492.843149][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 492.843308][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 492.843448][ T42] ? lock_acquire+0x1c1/0x220 [ 492.843573][ T42] ? register_pernet_subsys+0x1a/0x50 [ 492.843708][ T42] down_write+0x1c9/0x200 [ 492.843817][ T42] ? __pfx_down_write+0x10/0x10 [ 492.843947][ T42] ? __lock_release+0x103/0x460 [ 492.844073][ T42] ? __create_object+0x5e/0xb0 [ 492.844207][ T42] ? __pfx___lock_release+0x10/0x10 [ 492.844341][ T42] register_pernet_subsys+0x1a/0x50 [ 492.844468][ T42] tcf_register_action+0xa3/0x600 [ 492.844599][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 492.844772][ T42] do_one_initcall+0xc8/0x3f0 [ 492.844914][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 492.845044][ T42] ? __create_object+0x5e/0xb0 [ 492.845176][ T42] ? kasan_unpoison+0x27/0x60 [ 492.845316][ T42] do_init_module+0x233/0x740 [ 492.845466][ T42] load_module+0x16b5/0x2350 [ 492.845605][ T42] ? __pfx_load_module+0x10/0x10 [ 492.845732][ T42] ? kernel_read_file+0x3d2/0x520 [ 492.845894][ T42] ? kernel_read_file+0x300/0x520 [ 492.846045][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 492.846179][ T42] ? init_module_from_file+0xd2/0x130 [ 492.846303][ T42] init_module_from_file+0xd2/0x130 [ 492.846429][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 492.846586][ T42] ? __lock_release+0x103/0x460 [ 492.846710][ T42] ? idempotent_init_module+0x32a/0x620 [ 492.847137][ T42] ? idempotent_init_module+0x32a/0x620 [ 492.847264][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 492.847394][ T42] idempotent_init_module+0x342/0x620 [ 492.847524][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 492.847698][ T42] __x64_sys_finit_module+0xbe/0x130 [ 492.847858][ T42] do_syscall_64+0xc6/0x1e0 [ 492.847996][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.848158][ T42] RIP: 0033:0x7f41a8dc5e5d [ 492.848289][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 492.848478][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 492.848666][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 492.848866][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 492.849054][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 492.849241][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 492.849440][ T42] [ 492.849538][ T42] [ 492.849538][ T42] Showing all locks held in the system: [ 492.849726][ T42] 2 locks held by kworker/u20:0/39: [ 492.849875][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 492.850156][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 492.850442][ T42] 1 lock held by khungtaskd/42: [ 492.850565][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 492.850805][ T42] 3 locks held by kworker/u16:1/72: [ 492.850926][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 492.851181][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 492.851405][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 492.851630][ T42] 1 lock held by modprobe/885: [ 492.851750][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 492.852043][ T42] [ 492.852107][ T42] ============================================= [ 492.852107][ T42] [ 496.600977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 496.601477][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 496.601477][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 496.601477][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 496.601477][ T72] fib6_nh_init+0xa22/0x1580 [ 496.601477][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.601477][ T72] ip6_route_add+0x1c/0x140 [ 496.601477][ T72] inet6_rtm_newroute+0x104/0x110 [ 496.601477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.601477][ T72] netlink_rcv_skb+0x130/0x360 [ 496.601477][ T72] netlink_unicast+0x449/0x710 [ 496.601477][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.601477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.601477][ T72] ___sys_sendmsg+0xee/0x170 [ 496.601477][ T72] __sys_sendmsg+0xcd/0x170 [ 496.601477][ T72] do_syscall_64+0xc6/0x1e0 [ 496.601477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.601477][ T72] [ 496.603576][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 496.603576][ T72] dst_init+0x84/0x4a0 [ 496.603576][ T72] dst_alloc+0x97/0x150 [ 496.603576][ T72] ip6_dst_alloc+0x23/0x90 [ 496.603576][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 496.603576][ T72] ip6_pol_route+0x56f/0x840 [ 496.603576][ T72] fib6_rule_lookup+0x456/0x630 [ 496.603576][ T72] ip6_route_input+0x59c/0xa50 [ 496.603576][ T72] ipv6_rcv+0x397/0x810 [ 496.603576][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 496.603576][ T72] process_backlog+0x101/0x620 [ 496.603576][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 496.603576][ T72] net_rx_action+0x495/0xbe0 [ 496.603576][ T72] __do_softirq+0x1b5/0x7f6 [ 496.603576][ T72] [ 496.605828][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 496.605828][ T72] netdev_get_by_index+0x5e/0x80 [ 496.605828][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.605828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.605828][ T72] ip6_route_add+0x1c/0x140 [ 496.605828][ T72] addrconf_prefix_route+0x2a6/0x430 [ 496.605828][ T72] inet6_addr_add+0x4f8/0xa40 [ 496.605828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.605828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.605828][ T72] netlink_rcv_skb+0x130/0x360 [ 496.605828][ T72] netlink_unicast+0x449/0x710 [ 496.605828][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.605828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.605828][ T72] ___sys_sendmsg+0xee/0x170 [ 496.605828][ T72] __sys_sendmsg+0xcd/0x170 [ 496.605828][ T72] do_syscall_64+0xc6/0x1e0 [ 496.605828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.605828][ T72] [ 496.608045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 496.608045][ T72] netdev_get_by_index+0x5e/0x80 [ 496.608045][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.608045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.608045][ T72] addrconf_f6i_alloc+0x315/0x560 [ 496.608045][ T72] ipv6_add_addr+0x411/0x2000 [ 496.608045][ T72] inet6_addr_add+0x30e/0xa40 [ 496.608045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.608045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.608045][ T72] netlink_rcv_skb+0x130/0x360 [ 496.608045][ T72] netlink_unicast+0x449/0x710 [ 496.608045][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.608045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.608045][ T72] ___sys_sendmsg+0xee/0x170 [ 496.608045][ T72] __sys_sendmsg+0xcd/0x170 [ 496.608045][ T72] do_syscall_64+0xc6/0x1e0 [ 496.608045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.608045][ T72] [ 496.610263][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 496.610263][ T72] netdev_get_by_index+0x5e/0x80 [ 496.610263][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.610263][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.610263][ T72] ip6_route_add+0x1c/0x140 [ 496.610263][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 496.610263][ T72] addrconf_add_dev+0xe2/0x170 [ 496.610263][ T72] inet6_addr_add+0x12f/0xa40 [ 496.610263][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.610263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.610263][ T72] netlink_rcv_skb+0x130/0x360 [ 496.610263][ T72] netlink_unicast+0x449/0x710 [ 496.610263][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.610263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.610263][ T72] ___sys_sendmsg+0xee/0x170 [ 496.610263][ T72] __sys_sendmsg+0xcd/0x170 [ 496.610263][ T72] do_syscall_64+0xc6/0x1e0 [ 496.610263][ T72] [ 496.612448][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 496.612448][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 496.612448][ T72] ipv6_find_idev+0x102/0x170 [ 496.612448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 496.612448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.612448][ T72] netlink_rcv_skb+0x130/0x360 [ 496.612448][ T72] netlink_unicast+0x449/0x710 [ 496.612448][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.612448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.612448][ T72] ___sys_sendmsg+0xee/0x170 [ 496.612448][ T72] __sys_sendmsg+0xcd/0x170 [ 496.612448][ T72] do_syscall_64+0xc6/0x1e0 [ 496.612448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.612448][ T72] [ 496.614168][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 496.614168][ T72] neigh_parms_alloc+0x1e5/0x510 [ 496.614168][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 496.614168][ T72] ipv6_find_idev+0x102/0x170 [ 496.614168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 496.614168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.614168][ T72] netlink_rcv_skb+0x130/0x360 [ 496.614168][ T72] netlink_unicast+0x449/0x710 [ 496.614168][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.614168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.614168][ T72] ___sys_sendmsg+0xee/0x170 [ 496.614168][ T72] __sys_sendmsg+0xcd/0x170 [ 496.614168][ T72] do_syscall_64+0xc6/0x1e0 [ 496.614168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.614168][ T72] [ 496.616092][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 496.616394][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 496.616394][ T72] dst_init+0x84/0x4a0 [ 496.616394][ T72] dst_alloc+0x97/0x150 [ 496.616394][ T72] ip6_dst_alloc+0x23/0x90 [ 496.616394][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 496.616394][ T72] ip6_pol_route+0x56f/0x840 [ 496.616394][ T72] fib6_rule_lookup+0x456/0x630 [ 496.616394][ T72] ip6_route_input+0x59c/0xa50 [ 496.616394][ T72] ipv6_rcv+0x397/0x810 [ 496.616394][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 496.616394][ T72] process_backlog+0x101/0x620 [ 496.616394][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 496.616394][ T72] net_rx_action+0x495/0xbe0 [ 496.616394][ T72] __do_softirq+0x1b5/0x7f6 [ 496.616394][ T72] [ 496.618221][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 496.618221][ T72] netdev_get_by_index+0x5e/0x80 [ 496.618221][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.618221][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.618221][ T72] addrconf_f6i_alloc+0x265/0x560 [ 496.618221][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 496.618221][ T72] addrconf_join_anycast+0x1c0/0x220 [ 496.618221][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 496.618221][ T72] addrconf_dad_completed+0x12b/0xe20 [ 496.618221][ T72] addrconf_dad_begin+0x310/0x670 [ 496.618221][ T72] addrconf_dad_work+0x10b/0xab0 [ 496.618221][ T72] process_one_work+0x84d/0x18a0 [ 496.618221][ T72] worker_thread+0x587/0xd30 [ 496.618221][ T72] kthread+0x28a/0x350 [ 496.618221][ T72] ret_from_fork+0x31/0x70 [ 496.618221][ T72] ret_from_fork_asm+0x1a/0x30 [ 496.618221][ T72] [ 496.620354][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 496.620354][ T72] netdev_get_by_index+0x5e/0x80 [ 496.620354][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.620354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.620354][ T72] ip6_route_add+0x1c/0x140 [ 496.620354][ T72] addrconf_prefix_route+0x2a6/0x430 [ 496.620354][ T72] inet6_addr_add+0x4f8/0xa40 [ 496.620354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.620354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.620354][ T72] netlink_rcv_skb+0x130/0x360 [ 496.620354][ T72] netlink_unicast+0x449/0x710 [ 496.620354][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.620354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.620354][ T72] ___sys_sendmsg+0xee/0x170 [ 496.620354][ T72] __sys_sendmsg+0xcd/0x170 [ 496.620354][ T72] do_syscall_64+0xc6/0x1e0 [ 496.620354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.620354][ T72] [ 496.622589][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 496.622589][ T72] netdev_get_by_index+0x5e/0x80 [ 496.622589][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.622589][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.622589][ T72] addrconf_f6i_alloc+0x315/0x560 [ 496.622589][ T72] ipv6_add_addr+0x411/0x2000 [ 496.622589][ T72] inet6_addr_add+0x30e/0xa40 [ 496.622589][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.622589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.622589][ T72] netlink_rcv_skb+0x130/0x360 [ 496.622589][ T72] netlink_unicast+0x449/0x710 [ 496.622589][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.622589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.622589][ T72] ___sys_sendmsg+0xee/0x170 [ 496.622589][ T72] __sys_sendmsg+0xcd/0x170 [ 496.622589][ T72] do_syscall_64+0xc6/0x1e0 [ 496.622589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.622589][ T72] [ 496.626146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 496.626146][ T72] netdev_get_by_index+0x5e/0x80 [ 496.626146][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.626146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.626146][ T72] ip6_route_add+0x1c/0x140 [ 496.626146][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 496.626146][ T72] addrconf_add_dev+0xe2/0x170 [ 496.626146][ T72] inet6_addr_add+0x12f/0xa40 [ 496.626146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.626146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.626146][ T72] netlink_rcv_skb+0x130/0x360 [ 496.626146][ T72] netlink_unicast+0x449/0x710 [ 496.626146][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.626146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.626146][ T72] ___sys_sendmsg+0xee/0x170 [ 496.626146][ T72] __sys_sendmsg+0xcd/0x170 [ 496.626146][ T72] do_syscall_64+0xc6/0x1e0 [ 496.626146][ T72] [ 496.629576][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 496.629576][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 496.629576][ T72] ipv6_find_idev+0x102/0x170 [ 496.629576][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 496.629576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.629576][ T72] netlink_rcv_skb+0x130/0x360 [ 496.629576][ T72] netlink_unicast+0x449/0x710 [ 496.629576][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.629576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.629576][ T72] ___sys_sendmsg+0xee/0x170 [ 496.629576][ T72] __sys_sendmsg+0xcd/0x170 [ 496.629576][ T72] do_syscall_64+0xc6/0x1e0 [ 496.629576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.629576][ T72] [ 496.632266][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 496.632266][ T72] neigh_parms_alloc+0x1e5/0x510 [ 496.632266][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 496.632266][ T72] ipv6_find_idev+0x102/0x170 [ 496.632266][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 496.632266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.632266][ T72] netlink_rcv_skb+0x130/0x360 [ 496.632266][ T72] netlink_unicast+0x449/0x710 [ 496.632266][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.632266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.632266][ T72] ___sys_sendmsg+0xee/0x170 [ 496.632266][ T72] __sys_sendmsg+0xcd/0x170 [ 496.632266][ T72] do_syscall_64+0xc6/0x1e0 [ 496.632266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.632266][ T72] [ 496.635419][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 496.635874][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 496.635874][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 496.635874][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 496.635874][ T72] fib6_nh_init+0xa22/0x1580 [ 496.635874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.635874][ T72] ip6_route_add+0x1c/0x140 [ 496.635874][ T72] inet6_rtm_newroute+0x104/0x110 [ 496.635874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.635874][ T72] netlink_rcv_skb+0x130/0x360 [ 496.635874][ T72] netlink_unicast+0x449/0x710 [ 496.635874][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.635874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.635874][ T72] ___sys_sendmsg+0xee/0x170 [ 496.635874][ T72] __sys_sendmsg+0xcd/0x170 [ 496.635874][ T72] do_syscall_64+0xc6/0x1e0 [ 496.635874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.635874][ T72] [ 496.639466][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 496.639466][ T72] dst_init+0x84/0x4a0 [ 496.639466][ T72] dst_alloc+0x97/0x150 [ 496.639466][ T72] ip6_dst_alloc+0x23/0x90 [ 496.639466][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 496.639466][ T72] ip6_pol_route+0x56f/0x840 [ 496.639466][ T72] fib6_rule_lookup+0x456/0x630 [ 496.639466][ T72] ip6_route_input+0x59c/0xa50 [ 496.639466][ T72] ipv6_rcv+0x397/0x810 [ 496.639466][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 496.639466][ T72] process_backlog+0x101/0x620 [ 496.639466][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 496.639466][ T72] net_rx_action+0x495/0xbe0 [ 496.639466][ T72] __do_softirq+0x1b5/0x7f6 [ 496.639466][ T72] [ 496.642444][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 496.642444][ T72] netdev_get_by_index+0x5e/0x80 [ 496.642444][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.642444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.642444][ T72] ip6_route_add+0x1c/0x140 [ 496.642444][ T72] addrconf_prefix_route+0x2a6/0x430 [ 496.642444][ T72] inet6_addr_add+0x4f8/0xa40 [ 496.642444][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.642444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.642444][ T72] netlink_rcv_skb+0x130/0x360 [ 496.642444][ T72] netlink_unicast+0x449/0x710 [ 496.642444][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.642444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.642444][ T72] ___sys_sendmsg+0xee/0x170 [ 496.642444][ T72] __sys_sendmsg+0xcd/0x170 [ 496.642444][ T72] do_syscall_64+0xc6/0x1e0 [ 496.642444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.642444][ T72] [ 496.646096][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 496.646096][ T72] netdev_get_by_index+0x5e/0x80 [ 496.646096][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.646096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.646096][ T72] addrconf_f6i_alloc+0x315/0x560 [ 496.646096][ T72] ipv6_add_addr+0x411/0x2000 [ 496.646096][ T72] inet6_addr_add+0x30e/0xa40 [ 496.646096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.646096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.646096][ T72] netlink_rcv_skb+0x130/0x360 [ 496.646096][ T72] netlink_unicast+0x449/0x710 [ 496.646096][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.646096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.646096][ T72] ___sys_sendmsg+0xee/0x170 [ 496.646096][ T72] __sys_sendmsg+0xcd/0x170 [ 496.646096][ T72] do_syscall_64+0xc6/0x1e0 [ 496.646096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.646096][ T72] [ 496.649630][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 496.649630][ T72] netdev_get_by_index+0x5e/0x80 [ 496.649630][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.649630][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.649630][ T72] ip6_route_add+0x1c/0x140 [ 496.649630][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 496.649630][ T72] addrconf_add_dev+0xe2/0x170 [ 496.649630][ T72] inet6_addr_add+0x12f/0xa40 [ 496.649630][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.649630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.649630][ T72] netlink_rcv_skb+0x130/0x360 [ 496.649630][ T72] netlink_unicast+0x449/0x710 [ 496.649630][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.649630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.649630][ T72] ___sys_sendmsg+0xee/0x170 [ 496.649630][ T72] __sys_sendmsg+0xcd/0x170 [ 496.649630][ T72] do_syscall_64+0xc6/0x1e0 [ 496.649630][ T72] [ 496.653474][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 496.653474][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 496.653474][ T72] ipv6_find_idev+0x102/0x170 [ 496.653474][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 496.653474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.653474][ T72] netlink_rcv_skb+0x130/0x360 [ 496.653474][ T72] netlink_unicast+0x449/0x710 [ 496.653474][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.653474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.653474][ T72] ___sys_sendmsg+0xee/0x170 [ 496.653474][ T72] __sys_sendmsg+0xcd/0x170 [ 496.653474][ T72] do_syscall_64+0xc6/0x1e0 [ 496.653474][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.653474][ T72] [ 496.656601][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 496.656601][ T72] neigh_parms_alloc+0x1e5/0x510 [ 496.656601][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 496.656601][ T72] ipv6_find_idev+0x102/0x170 [ 496.656601][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 496.656601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.656601][ T72] netlink_rcv_skb+0x130/0x360 [ 496.656601][ T72] netlink_unicast+0x449/0x710 [ 496.656601][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.656601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.656601][ T72] ___sys_sendmsg+0xee/0x170 [ 496.656601][ T72] __sys_sendmsg+0xcd/0x170 [ 496.656601][ T72] do_syscall_64+0xc6/0x1e0 [ 496.656601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.656601][ T72] [ 496.659886][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 496.660520][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 496.660520][ T72] netdev_get_by_index+0x5e/0x80 [ 496.660520][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.660520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.660520][ T72] addrconf_f6i_alloc+0x265/0x560 [ 496.660520][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 496.660520][ T72] addrconf_join_anycast+0x1c0/0x220 [ 496.660520][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 496.660520][ T72] addrconf_dad_completed+0x12b/0xe20 [ 496.660520][ T72] addrconf_dad_begin+0x310/0x670 [ 496.660520][ T72] addrconf_dad_work+0x10b/0xab0 [ 496.660520][ T72] process_one_work+0x84d/0x18a0 [ 496.660520][ T72] worker_thread+0x587/0xd30 [ 496.660520][ T72] kthread+0x28a/0x350 [ 496.660520][ T72] ret_from_fork+0x31/0x70 [ 496.660520][ T72] ret_from_fork_asm+0x1a/0x30 [ 496.660520][ T72] [ 496.663992][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 496.663992][ T72] netdev_get_by_index+0x5e/0x80 [ 496.663992][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.663992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.663992][ T72] ip6_route_add+0x1c/0x140 [ 496.663992][ T72] addrconf_prefix_route+0x2a6/0x430 [ 496.663992][ T72] inet6_addr_add+0x4f8/0xa40 [ 496.663992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.663992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.663992][ T72] netlink_rcv_skb+0x130/0x360 [ 496.663992][ T72] netlink_unicast+0x449/0x710 [ 496.663992][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.663992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.663992][ T72] ___sys_sendmsg+0xee/0x170 [ 496.663992][ T72] __sys_sendmsg+0xcd/0x170 [ 496.663992][ T72] do_syscall_64+0xc6/0x1e0 [ 496.663992][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.663992][ T72] [ 496.667912][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 496.667912][ T72] netdev_get_by_index+0x5e/0x80 [ 496.667912][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.667912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.667912][ T72] addrconf_f6i_alloc+0x315/0x560 [ 496.667912][ T72] ipv6_add_addr+0x411/0x2000 [ 496.667912][ T72] inet6_addr_add+0x30e/0xa40 [ 496.667912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.667912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.667912][ T72] netlink_rcv_skb+0x130/0x360 [ 496.667912][ T72] netlink_unicast+0x449/0x710 [ 496.667912][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.667912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.667912][ T72] ___sys_sendmsg+0xee/0x170 [ 496.667912][ T72] __sys_sendmsg+0xcd/0x170 [ 496.667912][ T72] do_syscall_64+0xc6/0x1e0 [ 496.667912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.667912][ T72] [ 496.671678][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 496.671678][ T72] netdev_get_by_index+0x5e/0x80 [ 496.671678][ T72] fib6_nh_init+0x3d8/0x1580 [ 496.671678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 496.671678][ T72] ip6_route_add+0x1c/0x140 [ 496.671678][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 496.671678][ T72] addrconf_add_dev+0xe2/0x170 [ 496.671678][ T72] inet6_addr_add+0x12f/0xa40 [ 496.671678][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 496.671678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.671678][ T72] netlink_rcv_skb+0x130/0x360 [ 496.671678][ T72] netlink_unicast+0x449/0x710 [ 496.671678][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.671678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.671678][ T72] ___sys_sendmsg+0xee/0x170 [ 496.671678][ T72] __sys_sendmsg+0xcd/0x170 [ 496.671678][ T72] do_syscall_64+0xc6/0x1e0 [ 496.671678][ T72] [ 496.675223][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 496.675223][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 496.675223][ T72] ipv6_find_idev+0x102/0x170 [ 496.675223][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 496.675223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.675223][ T72] netlink_rcv_skb+0x130/0x360 [ 496.675223][ T72] netlink_unicast+0x449/0x710 [ 496.675223][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.675223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.675223][ T72] ___sys_sendmsg+0xee/0x170 [ 496.675223][ T72] __sys_sendmsg+0xcd/0x170 [ 496.675223][ T72] do_syscall_64+0xc6/0x1e0 [ 496.675223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.675223][ T72] [ 496.678019][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 496.678019][ T72] neigh_parms_alloc+0x1e5/0x510 [ 496.678019][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 496.678019][ T72] ipv6_find_idev+0x102/0x170 [ 496.678019][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 496.678019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 496.678019][ T72] netlink_rcv_skb+0x130/0x360 [ 496.678019][ T72] netlink_unicast+0x449/0x710 [ 496.678019][ T72] netlink_sendmsg+0x723/0xbe0 [ 496.678019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 496.678019][ T72] ___sys_sendmsg+0xee/0x170 [ 496.678019][ T72] __sys_sendmsg+0xcd/0x170 [ 496.678019][ T72] do_syscall_64+0xc6/0x1e0 [ 496.678019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 496.678019][ T72] [ 506.864867][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 506.865383][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 506.865383][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 506.865383][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 506.865383][ T72] fib6_nh_init+0xa22/0x1580 [ 506.865383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.865383][ T72] ip6_route_add+0x1c/0x140 [ 506.865383][ T72] inet6_rtm_newroute+0x104/0x110 [ 506.865383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.865383][ T72] netlink_rcv_skb+0x130/0x360 [ 506.865383][ T72] netlink_unicast+0x449/0x710 [ 506.865383][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.865383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.865383][ T72] ___sys_sendmsg+0xee/0x170 [ 506.865383][ T72] __sys_sendmsg+0xcd/0x170 [ 506.865383][ T72] do_syscall_64+0xc6/0x1e0 [ 506.865383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.865383][ T72] [ 506.867268][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 506.867268][ T72] dst_init+0x84/0x4a0 [ 506.867268][ T72] dst_alloc+0x97/0x150 [ 506.867268][ T72] ip6_dst_alloc+0x23/0x90 [ 506.867268][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 506.867268][ T72] ip6_pol_route+0x56f/0x840 [ 506.867268][ T72] fib6_rule_lookup+0x456/0x630 [ 506.867268][ T72] ip6_route_input+0x59c/0xa50 [ 506.867268][ T72] ipv6_rcv+0x397/0x810 [ 506.867268][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 506.867268][ T72] process_backlog+0x101/0x620 [ 506.867268][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 506.867268][ T72] net_rx_action+0x495/0xbe0 [ 506.867268][ T72] __do_softirq+0x1b5/0x7f6 [ 506.867268][ T72] [ 506.868918][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 506.868918][ T72] netdev_get_by_index+0x5e/0x80 [ 506.868918][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.868918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.868918][ T72] ip6_route_add+0x1c/0x140 [ 506.868918][ T72] addrconf_prefix_route+0x2a6/0x430 [ 506.868918][ T72] inet6_addr_add+0x4f8/0xa40 [ 506.868918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.868918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.868918][ T72] netlink_rcv_skb+0x130/0x360 [ 506.868918][ T72] netlink_unicast+0x449/0x710 [ 506.868918][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.868918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.868918][ T72] ___sys_sendmsg+0xee/0x170 [ 506.868918][ T72] __sys_sendmsg+0xcd/0x170 [ 506.868918][ T72] do_syscall_64+0xc6/0x1e0 [ 506.868918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.868918][ T72] [ 506.870900][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 506.870900][ T72] netdev_get_by_index+0x5e/0x80 [ 506.870900][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.870900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.870900][ T72] addrconf_f6i_alloc+0x315/0x560 [ 506.870900][ T72] ipv6_add_addr+0x411/0x2000 [ 506.870900][ T72] inet6_addr_add+0x30e/0xa40 [ 506.870900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.870900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.870900][ T72] netlink_rcv_skb+0x130/0x360 [ 506.870900][ T72] netlink_unicast+0x449/0x710 [ 506.870900][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.870900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.870900][ T72] ___sys_sendmsg+0xee/0x170 [ 506.870900][ T72] __sys_sendmsg+0xcd/0x170 [ 506.870900][ T72] do_syscall_64+0xc6/0x1e0 [ 506.870900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.870900][ T72] [ 506.872880][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 506.872880][ T72] netdev_get_by_index+0x5e/0x80 [ 506.872880][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.872880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.872880][ T72] ip6_route_add+0x1c/0x140 [ 506.872880][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 506.872880][ T72] addrconf_add_dev+0xe2/0x170 [ 506.872880][ T72] inet6_addr_add+0x12f/0xa40 [ 506.872880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.872880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.872880][ T72] netlink_rcv_skb+0x130/0x360 [ 506.872880][ T72] netlink_unicast+0x449/0x710 [ 506.872880][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.872880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.872880][ T72] ___sys_sendmsg+0xee/0x170 [ 506.872880][ T72] __sys_sendmsg+0xcd/0x170 [ 506.872880][ T72] do_syscall_64+0xc6/0x1e0 [ 506.872880][ T72] [ 506.875005][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 506.875005][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 506.875005][ T72] ipv6_find_idev+0x102/0x170 [ 506.875005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 506.875005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.875005][ T72] netlink_rcv_skb+0x130/0x360 [ 506.875005][ T72] netlink_unicast+0x449/0x710 [ 506.875005][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.875005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.875005][ T72] ___sys_sendmsg+0xee/0x170 [ 506.875005][ T72] __sys_sendmsg+0xcd/0x170 [ 506.875005][ T72] do_syscall_64+0xc6/0x1e0 [ 506.875005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.875005][ T72] [ 506.876697][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 506.876697][ T72] neigh_parms_alloc+0x1e5/0x510 [ 506.876697][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 506.876697][ T72] ipv6_find_idev+0x102/0x170 [ 506.876697][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 506.876697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.876697][ T72] netlink_rcv_skb+0x130/0x360 [ 506.876697][ T72] netlink_unicast+0x449/0x710 [ 506.876697][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.876697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.876697][ T72] ___sys_sendmsg+0xee/0x170 [ 506.876697][ T72] __sys_sendmsg+0xcd/0x170 [ 506.876697][ T72] do_syscall_64+0xc6/0x1e0 [ 506.876697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.876697][ T72] [ 506.878538][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 506.878826][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 506.878826][ T72] dst_init+0x84/0x4a0 [ 506.878826][ T72] dst_alloc+0x97/0x150 [ 506.878826][ T72] ip6_dst_alloc+0x23/0x90 [ 506.878826][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 506.878826][ T72] ip6_pol_route+0x56f/0x840 [ 506.878826][ T72] fib6_rule_lookup+0x456/0x630 [ 506.878826][ T72] ip6_route_input+0x59c/0xa50 [ 506.878826][ T72] ipv6_rcv+0x397/0x810 [ 506.878826][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 506.878826][ T72] process_backlog+0x101/0x620 [ 506.878826][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 506.878826][ T72] net_rx_action+0x495/0xbe0 [ 506.878826][ T72] __do_softirq+0x1b5/0x7f6 [ 506.878826][ T72] [ 506.880611][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 506.880611][ T72] netdev_get_by_index+0x5e/0x80 [ 506.880611][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.880611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.880611][ T72] addrconf_f6i_alloc+0x265/0x560 [ 506.880611][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 506.880611][ T72] addrconf_join_anycast+0x1c0/0x220 [ 506.880611][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 506.880611][ T72] addrconf_dad_completed+0x12b/0xe20 [ 506.880611][ T72] addrconf_dad_begin+0x310/0x670 [ 506.880611][ T72] addrconf_dad_work+0x10b/0xab0 [ 506.880611][ T72] process_one_work+0x84d/0x18a0 [ 506.880611][ T72] worker_thread+0x587/0xd30 [ 506.880611][ T72] kthread+0x28a/0x350 [ 506.880611][ T72] ret_from_fork+0x31/0x70 [ 506.880611][ T72] ret_from_fork_asm+0x1a/0x30 [ 506.880611][ T72] [ 506.882683][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 506.882683][ T72] netdev_get_by_index+0x5e/0x80 [ 506.882683][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.882683][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.882683][ T72] ip6_route_add+0x1c/0x140 [ 506.882683][ T72] addrconf_prefix_route+0x2a6/0x430 [ 506.882683][ T72] inet6_addr_add+0x4f8/0xa40 [ 506.882683][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.882683][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.882683][ T72] netlink_rcv_skb+0x130/0x360 [ 506.882683][ T72] netlink_unicast+0x449/0x710 [ 506.882683][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.882683][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.882683][ T72] ___sys_sendmsg+0xee/0x170 [ 506.882683][ T72] __sys_sendmsg+0xcd/0x170 [ 506.882683][ T72] do_syscall_64+0xc6/0x1e0 [ 506.882683][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.882683][ T72] [ 506.884870][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 506.884870][ T72] netdev_get_by_index+0x5e/0x80 [ 506.884870][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.884870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.884870][ T72] addrconf_f6i_alloc+0x315/0x560 [ 506.884870][ T72] ipv6_add_addr+0x411/0x2000 [ 506.884870][ T72] inet6_addr_add+0x30e/0xa40 [ 506.884870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.884870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.884870][ T72] netlink_rcv_skb+0x130/0x360 [ 506.884870][ T72] netlink_unicast+0x449/0x710 [ 506.884870][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.884870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.884870][ T72] ___sys_sendmsg+0xee/0x170 [ 506.884870][ T72] __sys_sendmsg+0xcd/0x170 [ 506.884870][ T72] do_syscall_64+0xc6/0x1e0 [ 506.884870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.884870][ T72] [ 506.887034][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 506.887034][ T72] netdev_get_by_index+0x5e/0x80 [ 506.887034][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.887034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.887034][ T72] ip6_route_add+0x1c/0x140 [ 506.887034][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 506.887034][ T72] addrconf_add_dev+0xe2/0x170 [ 506.887034][ T72] inet6_addr_add+0x12f/0xa40 [ 506.887034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.887034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.887034][ T72] netlink_rcv_skb+0x130/0x360 [ 506.887034][ T72] netlink_unicast+0x449/0x710 [ 506.887034][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.887034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.887034][ T72] ___sys_sendmsg+0xee/0x170 [ 506.887034][ T72] __sys_sendmsg+0xcd/0x170 [ 506.887034][ T72] do_syscall_64+0xc6/0x1e0 [ 506.887034][ T72] [ 506.889158][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 506.889158][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 506.889158][ T72] ipv6_find_idev+0x102/0x170 [ 506.889158][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 506.889158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.889158][ T72] netlink_rcv_skb+0x130/0x360 [ 506.889158][ T72] netlink_unicast+0x449/0x710 [ 506.889158][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.889158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.889158][ T72] ___sys_sendmsg+0xee/0x170 [ 506.889158][ T72] __sys_sendmsg+0xcd/0x170 [ 506.889158][ T72] do_syscall_64+0xc6/0x1e0 [ 506.889158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.889158][ T72] [ 506.890826][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 506.890826][ T72] neigh_parms_alloc+0x1e5/0x510 [ 506.890826][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 506.890826][ T72] ipv6_find_idev+0x102/0x170 [ 506.890826][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 506.890826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.890826][ T72] netlink_rcv_skb+0x130/0x360 [ 506.890826][ T72] netlink_unicast+0x449/0x710 [ 506.890826][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.890826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.890826][ T72] ___sys_sendmsg+0xee/0x170 [ 506.890826][ T72] __sys_sendmsg+0xcd/0x170 [ 506.890826][ T72] do_syscall_64+0xc6/0x1e0 [ 506.890826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.890826][ T72] [ 506.892703][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 506.893055][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 506.893055][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 506.893055][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 506.893055][ T72] fib6_nh_init+0xa22/0x1580 [ 506.893055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.893055][ T72] ip6_route_add+0x1c/0x140 [ 506.893055][ T72] inet6_rtm_newroute+0x104/0x110 [ 506.893055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.893055][ T72] netlink_rcv_skb+0x130/0x360 [ 506.893055][ T72] netlink_unicast+0x449/0x710 [ 506.893055][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.893055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.893055][ T72] ___sys_sendmsg+0xee/0x170 [ 506.893055][ T72] __sys_sendmsg+0xcd/0x170 [ 506.893055][ T72] do_syscall_64+0xc6/0x1e0 [ 506.893055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.893055][ T72] [ 506.895349][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 506.895349][ T72] dst_init+0x84/0x4a0 [ 506.895349][ T72] dst_alloc+0x97/0x150 [ 506.895349][ T72] ip6_dst_alloc+0x23/0x90 [ 506.895349][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 506.895349][ T72] ip6_pol_route+0x56f/0x840 [ 506.895349][ T72] fib6_rule_lookup+0x456/0x630 [ 506.895349][ T72] ip6_route_input+0x59c/0xa50 [ 506.895349][ T72] ipv6_rcv+0x397/0x810 [ 506.895349][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 506.895349][ T72] process_backlog+0x101/0x620 [ 506.895349][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 506.895349][ T72] net_rx_action+0x495/0xbe0 [ 506.895349][ T72] __do_softirq+0x1b5/0x7f6 [ 506.895349][ T72] [ 506.897297][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 506.897297][ T72] netdev_get_by_index+0x5e/0x80 [ 506.897297][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.897297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.897297][ T72] ip6_route_add+0x1c/0x140 [ 506.897297][ T72] addrconf_prefix_route+0x2a6/0x430 [ 506.897297][ T72] inet6_addr_add+0x4f8/0xa40 [ 506.897297][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.897297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.897297][ T72] netlink_rcv_skb+0x130/0x360 [ 506.897297][ T72] netlink_unicast+0x449/0x710 [ 506.897297][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.897297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.897297][ T72] ___sys_sendmsg+0xee/0x170 [ 506.897297][ T72] __sys_sendmsg+0xcd/0x170 [ 506.897297][ T72] do_syscall_64+0xc6/0x1e0 [ 506.897297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.897297][ T72] [ 506.899700][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 506.899700][ T72] netdev_get_by_index+0x5e/0x80 [ 506.899700][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.899700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.899700][ T72] addrconf_f6i_alloc+0x315/0x560 [ 506.899700][ T72] ipv6_add_addr+0x411/0x2000 [ 506.899700][ T72] inet6_addr_add+0x30e/0xa40 [ 506.899700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.899700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.899700][ T72] netlink_rcv_skb+0x130/0x360 [ 506.899700][ T72] netlink_unicast+0x449/0x710 [ 506.899700][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.899700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.899700][ T72] ___sys_sendmsg+0xee/0x170 [ 506.899700][ T72] __sys_sendmsg+0xcd/0x170 [ 506.899700][ T72] do_syscall_64+0xc6/0x1e0 [ 506.899700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.899700][ T72] [ 506.902477][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 506.902477][ T72] netdev_get_by_index+0x5e/0x80 [ 506.902477][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.902477][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.902477][ T72] ip6_route_add+0x1c/0x140 [ 506.902477][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 506.902477][ T72] addrconf_add_dev+0xe2/0x170 [ 506.902477][ T72] inet6_addr_add+0x12f/0xa40 [ 506.902477][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.902477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.902477][ T72] netlink_rcv_skb+0x130/0x360 [ 506.902477][ T72] netlink_unicast+0x449/0x710 [ 506.902477][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.902477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.902477][ T72] ___sys_sendmsg+0xee/0x170 [ 506.902477][ T72] __sys_sendmsg+0xcd/0x170 [ 506.902477][ T72] do_syscall_64+0xc6/0x1e0 [ 506.902477][ T72] [ 506.904922][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 506.904922][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 506.904922][ T72] ipv6_find_idev+0x102/0x170 [ 506.904922][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 506.904922][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.904922][ T72] netlink_rcv_skb+0x130/0x360 [ 506.904922][ T72] netlink_unicast+0x449/0x710 [ 506.904922][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.904922][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.904922][ T72] ___sys_sendmsg+0xee/0x170 [ 506.904922][ T72] __sys_sendmsg+0xcd/0x170 [ 506.904922][ T72] do_syscall_64+0xc6/0x1e0 [ 506.904922][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.904922][ T72] [ 506.906795][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 506.906795][ T72] neigh_parms_alloc+0x1e5/0x510 [ 506.906795][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 506.906795][ T72] ipv6_find_idev+0x102/0x170 [ 506.906795][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 506.906795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.906795][ T72] netlink_rcv_skb+0x130/0x360 [ 506.906795][ T72] netlink_unicast+0x449/0x710 [ 506.906795][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.906795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.906795][ T72] ___sys_sendmsg+0xee/0x170 [ 506.906795][ T72] __sys_sendmsg+0xcd/0x170 [ 506.906795][ T72] do_syscall_64+0xc6/0x1e0 [ 506.906795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.906795][ T72] [ 506.908817][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 506.909169][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 506.909169][ T72] netdev_get_by_index+0x5e/0x80 [ 506.909169][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.909169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.909169][ T72] addrconf_f6i_alloc+0x265/0x560 [ 506.909169][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 506.909169][ T72] addrconf_join_anycast+0x1c0/0x220 [ 506.909169][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 506.909169][ T72] addrconf_dad_completed+0x12b/0xe20 [ 506.909169][ T72] addrconf_dad_begin+0x310/0x670 [ 506.909169][ T72] addrconf_dad_work+0x10b/0xab0 [ 506.909169][ T72] process_one_work+0x84d/0x18a0 [ 506.909169][ T72] worker_thread+0x587/0xd30 [ 506.909169][ T72] kthread+0x28a/0x350 [ 506.909169][ T72] ret_from_fork+0x31/0x70 [ 506.909169][ T72] ret_from_fork_asm+0x1a/0x30 [ 506.909169][ T72] [ 506.911417][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 506.911417][ T72] netdev_get_by_index+0x5e/0x80 [ 506.911417][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.911417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.911417][ T72] ip6_route_add+0x1c/0x140 [ 506.911417][ T72] addrconf_prefix_route+0x2a6/0x430 [ 506.911417][ T72] inet6_addr_add+0x4f8/0xa40 [ 506.911417][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.911417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.911417][ T72] netlink_rcv_skb+0x130/0x360 [ 506.911417][ T72] netlink_unicast+0x449/0x710 [ 506.911417][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.911417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.911417][ T72] ___sys_sendmsg+0xee/0x170 [ 506.911417][ T72] __sys_sendmsg+0xcd/0x170 [ 506.911417][ T72] do_syscall_64+0xc6/0x1e0 [ 506.911417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.911417][ T72] [ 506.913982][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 506.913982][ T72] netdev_get_by_index+0x5e/0x80 [ 506.913982][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.913982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.913982][ T72] addrconf_f6i_alloc+0x315/0x560 [ 506.913982][ T72] ipv6_add_addr+0x411/0x2000 [ 506.913982][ T72] inet6_addr_add+0x30e/0xa40 [ 506.913982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.913982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.913982][ T72] netlink_rcv_skb+0x130/0x360 [ 506.913982][ T72] netlink_unicast+0x449/0x710 [ 506.913982][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.913982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.913982][ T72] ___sys_sendmsg+0xee/0x170 [ 506.913982][ T72] __sys_sendmsg+0xcd/0x170 [ 506.913982][ T72] do_syscall_64+0xc6/0x1e0 [ 506.913982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.913982][ T72] [ 506.916450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 506.916450][ T72] netdev_get_by_index+0x5e/0x80 [ 506.916450][ T72] fib6_nh_init+0x3d8/0x1580 [ 506.916450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 506.916450][ T72] ip6_route_add+0x1c/0x140 [ 506.916450][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 506.916450][ T72] addrconf_add_dev+0xe2/0x170 [ 506.916450][ T72] inet6_addr_add+0x12f/0xa40 [ 506.916450][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 506.916450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.916450][ T72] netlink_rcv_skb+0x130/0x360 [ 506.916450][ T72] netlink_unicast+0x449/0x710 [ 506.916450][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.916450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.916450][ T72] ___sys_sendmsg+0xee/0x170 [ 506.916450][ T72] __sys_sendmsg+0xcd/0x170 [ 506.916450][ T72] do_syscall_64+0xc6/0x1e0 [ 506.916450][ T72] [ 506.918817][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 506.918817][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 506.918817][ T72] ipv6_find_idev+0x102/0x170 [ 506.918817][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 506.918817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.918817][ T72] netlink_rcv_skb+0x130/0x360 [ 506.918817][ T72] netlink_unicast+0x449/0x710 [ 506.918817][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.918817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.918817][ T72] ___sys_sendmsg+0xee/0x170 [ 506.918817][ T72] __sys_sendmsg+0xcd/0x170 [ 506.918817][ T72] do_syscall_64+0xc6/0x1e0 [ 506.918817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.918817][ T72] [ 506.920671][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 506.920671][ T72] neigh_parms_alloc+0x1e5/0x510 [ 506.920671][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 506.920671][ T72] ipv6_find_idev+0x102/0x170 [ 506.920671][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 506.920671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 506.920671][ T72] netlink_rcv_skb+0x130/0x360 [ 506.920671][ T72] netlink_unicast+0x449/0x710 [ 506.920671][ T72] netlink_sendmsg+0x723/0xbe0 [ 506.920671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 506.920671][ T72] ___sys_sendmsg+0xee/0x170 [ 506.920671][ T72] __sys_sendmsg+0xcd/0x170 [ 506.920671][ T72] do_syscall_64+0xc6/0x1e0 [ 506.920671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 506.920671][ T72] [ 517.176976][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 517.177496][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 517.177496][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 517.177496][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 517.177496][ T72] fib6_nh_init+0xa22/0x1580 [ 517.177496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.177496][ T72] ip6_route_add+0x1c/0x140 [ 517.177496][ T72] inet6_rtm_newroute+0x104/0x110 [ 517.177496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.177496][ T72] netlink_rcv_skb+0x130/0x360 [ 517.177496][ T72] netlink_unicast+0x449/0x710 [ 517.177496][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.177496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.177496][ T72] ___sys_sendmsg+0xee/0x170 [ 517.177496][ T72] __sys_sendmsg+0xcd/0x170 [ 517.177496][ T72] do_syscall_64+0xc6/0x1e0 [ 517.177496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.177496][ T72] [ 517.179563][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 517.179563][ T72] dst_init+0x84/0x4a0 [ 517.179563][ T72] dst_alloc+0x97/0x150 [ 517.179563][ T72] ip6_dst_alloc+0x23/0x90 [ 517.179563][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 517.179563][ T72] ip6_pol_route+0x56f/0x840 [ 517.179563][ T72] fib6_rule_lookup+0x456/0x630 [ 517.179563][ T72] ip6_route_input+0x59c/0xa50 [ 517.179563][ T72] ipv6_rcv+0x397/0x810 [ 517.179563][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 517.179563][ T72] process_backlog+0x101/0x620 [ 517.179563][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 517.179563][ T72] net_rx_action+0x495/0xbe0 [ 517.179563][ T72] __do_softirq+0x1b5/0x7f6 [ 517.179563][ T72] [ 517.181350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 517.181350][ T72] netdev_get_by_index+0x5e/0x80 [ 517.181350][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.181350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.181350][ T72] ip6_route_add+0x1c/0x140 [ 517.181350][ T72] addrconf_prefix_route+0x2a6/0x430 [ 517.181350][ T72] inet6_addr_add+0x4f8/0xa40 [ 517.181350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.181350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.181350][ T72] netlink_rcv_skb+0x130/0x360 [ 517.181350][ T72] netlink_unicast+0x449/0x710 [ 517.181350][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.181350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.181350][ T72] ___sys_sendmsg+0xee/0x170 [ 517.181350][ T72] __sys_sendmsg+0xcd/0x170 [ 517.181350][ T72] do_syscall_64+0xc6/0x1e0 [ 517.181350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.181350][ T72] [ 517.183540][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 517.183540][ T72] netdev_get_by_index+0x5e/0x80 [ 517.183540][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.183540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.183540][ T72] addrconf_f6i_alloc+0x315/0x560 [ 517.183540][ T72] ipv6_add_addr+0x411/0x2000 [ 517.183540][ T72] inet6_addr_add+0x30e/0xa40 [ 517.183540][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.183540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.183540][ T72] netlink_rcv_skb+0x130/0x360 [ 517.183540][ T72] netlink_unicast+0x449/0x710 [ 517.183540][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.183540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.183540][ T72] ___sys_sendmsg+0xee/0x170 [ 517.183540][ T72] __sys_sendmsg+0xcd/0x170 [ 517.183540][ T72] do_syscall_64+0xc6/0x1e0 [ 517.183540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.183540][ T72] [ 517.185757][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 517.185757][ T72] netdev_get_by_index+0x5e/0x80 [ 517.185757][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.185757][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.185757][ T72] ip6_route_add+0x1c/0x140 [ 517.185757][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 517.185757][ T72] addrconf_add_dev+0xe2/0x170 [ 517.185757][ T72] inet6_addr_add+0x12f/0xa40 [ 517.185757][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.185757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.185757][ T72] netlink_rcv_skb+0x130/0x360 [ 517.185757][ T72] netlink_unicast+0x449/0x710 [ 517.185757][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.185757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.185757][ T72] ___sys_sendmsg+0xee/0x170 [ 517.185757][ T72] __sys_sendmsg+0xcd/0x170 [ 517.185757][ T72] do_syscall_64+0xc6/0x1e0 [ 517.185757][ T72] [ 517.187903][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 517.187903][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 517.187903][ T72] ipv6_find_idev+0x102/0x170 [ 517.187903][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 517.187903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.187903][ T72] netlink_rcv_skb+0x130/0x360 [ 517.187903][ T72] netlink_unicast+0x449/0x710 [ 517.187903][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.187903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.187903][ T72] ___sys_sendmsg+0xee/0x170 [ 517.187903][ T72] __sys_sendmsg+0xcd/0x170 [ 517.187903][ T72] do_syscall_64+0xc6/0x1e0 [ 517.187903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.187903][ T72] [ 517.189586][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 517.189586][ T72] neigh_parms_alloc+0x1e5/0x510 [ 517.189586][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 517.189586][ T72] ipv6_find_idev+0x102/0x170 [ 517.189586][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 517.189586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.189586][ T72] netlink_rcv_skb+0x130/0x360 [ 517.189586][ T72] netlink_unicast+0x449/0x710 [ 517.189586][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.189586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.189586][ T72] ___sys_sendmsg+0xee/0x170 [ 517.189586][ T72] __sys_sendmsg+0xcd/0x170 [ 517.189586][ T72] do_syscall_64+0xc6/0x1e0 [ 517.189586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.189586][ T72] [ 517.191467][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 517.191766][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 517.191766][ T72] dst_init+0x84/0x4a0 [ 517.191766][ T72] dst_alloc+0x97/0x150 [ 517.191766][ T72] ip6_dst_alloc+0x23/0x90 [ 517.191766][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 517.191766][ T72] ip6_pol_route+0x56f/0x840 [ 517.191766][ T72] fib6_rule_lookup+0x456/0x630 [ 517.191766][ T72] ip6_route_input+0x59c/0xa50 [ 517.191766][ T72] ipv6_rcv+0x397/0x810 [ 517.191766][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 517.191766][ T72] process_backlog+0x101/0x620 [ 517.191766][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 517.191766][ T72] net_rx_action+0x495/0xbe0 [ 517.191766][ T72] __do_softirq+0x1b5/0x7f6 [ 517.191766][ T72] [ 517.193561][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 517.193561][ T72] netdev_get_by_index+0x5e/0x80 [ 517.193561][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.193561][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.193561][ T72] addrconf_f6i_alloc+0x265/0x560 [ 517.193561][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 517.193561][ T72] addrconf_join_anycast+0x1c0/0x220 [ 517.193561][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 517.193561][ T72] addrconf_dad_completed+0x12b/0xe20 [ 517.193561][ T72] addrconf_dad_begin+0x310/0x670 [ 517.193561][ T72] addrconf_dad_work+0x10b/0xab0 [ 517.193561][ T72] process_one_work+0x84d/0x18a0 [ 517.193561][ T72] worker_thread+0x587/0xd30 [ 517.193561][ T72] kthread+0x28a/0x350 [ 517.193561][ T72] ret_from_fork+0x31/0x70 [ 517.193561][ T72] ret_from_fork_asm+0x1a/0x30 [ 517.193561][ T72] [ 517.195654][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 517.195654][ T72] netdev_get_by_index+0x5e/0x80 [ 517.195654][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.195654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.195654][ T72] ip6_route_add+0x1c/0x140 [ 517.195654][ T72] addrconf_prefix_route+0x2a6/0x430 [ 517.195654][ T72] inet6_addr_add+0x4f8/0xa40 [ 517.195654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.195654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.195654][ T72] netlink_rcv_skb+0x130/0x360 [ 517.195654][ T72] netlink_unicast+0x449/0x710 [ 517.195654][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.195654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.195654][ T72] ___sys_sendmsg+0xee/0x170 [ 517.195654][ T72] __sys_sendmsg+0xcd/0x170 [ 517.195654][ T72] do_syscall_64+0xc6/0x1e0 [ 517.195654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.195654][ T72] [ 517.197841][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 517.197841][ T72] netdev_get_by_index+0x5e/0x80 [ 517.197841][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.197841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.197841][ T72] addrconf_f6i_alloc+0x315/0x560 [ 517.197841][ T72] ipv6_add_addr+0x411/0x2000 [ 517.197841][ T72] inet6_addr_add+0x30e/0xa40 [ 517.197841][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.197841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.197841][ T72] netlink_rcv_skb+0x130/0x360 [ 517.197841][ T72] netlink_unicast+0x449/0x710 [ 517.197841][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.197841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.197841][ T72] ___sys_sendmsg+0xee/0x170 [ 517.197841][ T72] __sys_sendmsg+0xcd/0x170 [ 517.197841][ T72] do_syscall_64+0xc6/0x1e0 [ 517.197841][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.197841][ T72] [ 517.200023][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 517.200023][ T72] netdev_get_by_index+0x5e/0x80 [ 517.200023][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.200023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.200023][ T72] ip6_route_add+0x1c/0x140 [ 517.200023][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 517.200023][ T72] addrconf_add_dev+0xe2/0x170 [ 517.200023][ T72] inet6_addr_add+0x12f/0xa40 [ 517.200023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.200023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.200023][ T72] netlink_rcv_skb+0x130/0x360 [ 517.200023][ T72] netlink_unicast+0x449/0x710 [ 517.200023][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.200023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.200023][ T72] ___sys_sendmsg+0xee/0x170 [ 517.200023][ T72] __sys_sendmsg+0xcd/0x170 [ 517.200023][ T72] do_syscall_64+0xc6/0x1e0 [ 517.200023][ T72] [ 517.202168][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 517.202168][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 517.202168][ T72] ipv6_find_idev+0x102/0x170 [ 517.202168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 517.202168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.202168][ T72] netlink_rcv_skb+0x130/0x360 [ 517.202168][ T72] netlink_unicast+0x449/0x710 [ 517.202168][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.202168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.202168][ T72] ___sys_sendmsg+0xee/0x170 [ 517.202168][ T72] __sys_sendmsg+0xcd/0x170 [ 517.202168][ T72] do_syscall_64+0xc6/0x1e0 [ 517.202168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.202168][ T72] [ 517.203862][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 517.203862][ T72] neigh_parms_alloc+0x1e5/0x510 [ 517.203862][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 517.203862][ T72] ipv6_find_idev+0x102/0x170 [ 517.203862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 517.203862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.203862][ T72] netlink_rcv_skb+0x130/0x360 [ 517.203862][ T72] netlink_unicast+0x449/0x710 [ 517.203862][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.203862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.203862][ T72] ___sys_sendmsg+0xee/0x170 [ 517.203862][ T72] __sys_sendmsg+0xcd/0x170 [ 517.203862][ T72] do_syscall_64+0xc6/0x1e0 [ 517.203862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.203862][ T72] [ 517.205841][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 517.206137][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 517.206137][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 517.206137][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 517.206137][ T72] fib6_nh_init+0xa22/0x1580 [ 517.206137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.206137][ T72] ip6_route_add+0x1c/0x140 [ 517.206137][ T72] inet6_rtm_newroute+0x104/0x110 [ 517.206137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.206137][ T72] netlink_rcv_skb+0x130/0x360 [ 517.206137][ T72] netlink_unicast+0x449/0x710 [ 517.206137][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.206137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.206137][ T72] ___sys_sendmsg+0xee/0x170 [ 517.206137][ T72] __sys_sendmsg+0xcd/0x170 [ 517.206137][ T72] do_syscall_64+0xc6/0x1e0 [ 517.206137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.206137][ T72] [ 517.208498][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 517.208498][ T72] dst_init+0x84/0x4a0 [ 517.208498][ T72] dst_alloc+0x97/0x150 [ 517.208498][ T72] ip6_dst_alloc+0x23/0x90 [ 517.208498][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 517.208498][ T72] ip6_pol_route+0x56f/0x840 [ 517.208498][ T72] fib6_rule_lookup+0x456/0x630 [ 517.208498][ T72] ip6_route_input+0x59c/0xa50 [ 517.208498][ T72] ipv6_rcv+0x397/0x810 [ 517.208498][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 517.208498][ T72] process_backlog+0x101/0x620 [ 517.208498][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 517.208498][ T72] net_rx_action+0x495/0xbe0 [ 517.208498][ T72] __do_softirq+0x1b5/0x7f6 [ 517.208498][ T72] [ 517.210463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 517.210463][ T72] netdev_get_by_index+0x5e/0x80 [ 517.210463][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.210463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.210463][ T72] ip6_route_add+0x1c/0x140 [ 517.210463][ T72] addrconf_prefix_route+0x2a6/0x430 [ 517.210463][ T72] inet6_addr_add+0x4f8/0xa40 [ 517.210463][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.210463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.210463][ T72] netlink_rcv_skb+0x130/0x360 [ 517.210463][ T72] netlink_unicast+0x449/0x710 [ 517.210463][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.210463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.210463][ T72] ___sys_sendmsg+0xee/0x170 [ 517.210463][ T72] __sys_sendmsg+0xcd/0x170 [ 517.210463][ T72] do_syscall_64+0xc6/0x1e0 [ 517.210463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.210463][ T72] [ 517.212882][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 517.212882][ T72] netdev_get_by_index+0x5e/0x80 [ 517.212882][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.212882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.212882][ T72] addrconf_f6i_alloc+0x315/0x560 [ 517.212882][ T72] ipv6_add_addr+0x411/0x2000 [ 517.212882][ T72] inet6_addr_add+0x30e/0xa40 [ 517.212882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.212882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.212882][ T72] netlink_rcv_skb+0x130/0x360 [ 517.212882][ T72] netlink_unicast+0x449/0x710 [ 517.212882][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.212882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.212882][ T72] ___sys_sendmsg+0xee/0x170 [ 517.212882][ T72] __sys_sendmsg+0xcd/0x170 [ 517.212882][ T72] do_syscall_64+0xc6/0x1e0 [ 517.212882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.212882][ T72] [ 517.215251][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 517.215251][ T72] netdev_get_by_index+0x5e/0x80 [ 517.215251][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.215251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.215251][ T72] ip6_route_add+0x1c/0x140 [ 517.215251][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 517.215251][ T72] addrconf_add_dev+0xe2/0x170 [ 517.215251][ T72] inet6_addr_add+0x12f/0xa40 [ 517.215251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.215251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.215251][ T72] netlink_rcv_skb+0x130/0x360 [ 517.215251][ T72] netlink_unicast+0x449/0x710 [ 517.215251][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.215251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.215251][ T72] ___sys_sendmsg+0xee/0x170 [ 517.215251][ T72] __sys_sendmsg+0xcd/0x170 [ 517.215251][ T72] do_syscall_64+0xc6/0x1e0 [ 517.215251][ T72] [ 517.217702][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 517.217702][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 517.217702][ T72] ipv6_find_idev+0x102/0x170 [ 517.217702][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 517.217702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.217702][ T72] netlink_rcv_skb+0x130/0x360 [ 517.217702][ T72] netlink_unicast+0x449/0x710 [ 517.217702][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.217702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.217702][ T72] ___sys_sendmsg+0xee/0x170 [ 517.217702][ T72] __sys_sendmsg+0xcd/0x170 [ 517.217702][ T72] do_syscall_64+0xc6/0x1e0 [ 517.217702][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.217702][ T72] [ 517.219564][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 517.219564][ T72] neigh_parms_alloc+0x1e5/0x510 [ 517.219564][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 517.219564][ T72] ipv6_find_idev+0x102/0x170 [ 517.219564][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 517.219564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.219564][ T72] netlink_rcv_skb+0x130/0x360 [ 517.219564][ T72] netlink_unicast+0x449/0x710 [ 517.219564][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.219564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.219564][ T72] ___sys_sendmsg+0xee/0x170 [ 517.219564][ T72] __sys_sendmsg+0xcd/0x170 [ 517.219564][ T72] do_syscall_64+0xc6/0x1e0 [ 517.219564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.219564][ T72] [ 517.221595][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 517.222399][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 517.222399][ T72] netdev_get_by_index+0x5e/0x80 [ 517.222399][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.222399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.222399][ T72] addrconf_f6i_alloc+0x265/0x560 [ 517.222399][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 517.222399][ T72] addrconf_join_anycast+0x1c0/0x220 [ 517.222399][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 517.222399][ T72] addrconf_dad_completed+0x12b/0xe20 [ 517.222399][ T72] addrconf_dad_begin+0x310/0x670 [ 517.222399][ T72] addrconf_dad_work+0x10b/0xab0 [ 517.222399][ T72] process_one_work+0x84d/0x18a0 [ 517.222399][ T72] worker_thread+0x587/0xd30 [ 517.222399][ T72] kthread+0x28a/0x350 [ 517.222399][ T72] ret_from_fork+0x31/0x70 [ 517.222399][ T72] ret_from_fork_asm+0x1a/0x30 [ 517.222399][ T72] [ 517.224499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 517.224499][ T72] netdev_get_by_index+0x5e/0x80 [ 517.224499][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.224499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.224499][ T72] ip6_route_add+0x1c/0x140 [ 517.224499][ T72] addrconf_prefix_route+0x2a6/0x430 [ 517.224499][ T72] inet6_addr_add+0x4f8/0xa40 [ 517.224499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.224499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.224499][ T72] netlink_rcv_skb+0x130/0x360 [ 517.224499][ T72] netlink_unicast+0x449/0x710 [ 517.224499][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.224499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.224499][ T72] ___sys_sendmsg+0xee/0x170 [ 517.224499][ T72] __sys_sendmsg+0xcd/0x170 [ 517.224499][ T72] do_syscall_64+0xc6/0x1e0 [ 517.224499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.224499][ T72] [ 517.226754][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 517.226754][ T72] netdev_get_by_index+0x5e/0x80 [ 517.226754][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.226754][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.226754][ T72] addrconf_f6i_alloc+0x315/0x560 [ 517.226754][ T72] ipv6_add_addr+0x411/0x2000 [ 517.226754][ T72] inet6_addr_add+0x30e/0xa40 [ 517.226754][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.226754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.226754][ T72] netlink_rcv_skb+0x130/0x360 [ 517.226754][ T72] netlink_unicast+0x449/0x710 [ 517.226754][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.226754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.226754][ T72] ___sys_sendmsg+0xee/0x170 [ 517.226754][ T72] __sys_sendmsg+0xcd/0x170 [ 517.226754][ T72] do_syscall_64+0xc6/0x1e0 [ 517.226754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.226754][ T72] [ 517.229185][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 517.229185][ T72] netdev_get_by_index+0x5e/0x80 [ 517.229185][ T72] fib6_nh_init+0x3d8/0x1580 [ 517.229185][ T72] ip6_route_info_create+0xf18/0x17d0 [ 517.229185][ T72] ip6_route_add+0x1c/0x140 [ 517.229185][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 517.229185][ T72] addrconf_add_dev+0xe2/0x170 [ 517.229185][ T72] inet6_addr_add+0x12f/0xa40 [ 517.229185][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 517.229185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.229185][ T72] netlink_rcv_skb+0x130/0x360 [ 517.229185][ T72] netlink_unicast+0x449/0x710 [ 517.229185][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.229185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.229185][ T72] ___sys_sendmsg+0xee/0x170 [ 517.229185][ T72] __sys_sendmsg+0xcd/0x170 [ 517.229185][ T72] do_syscall_64+0xc6/0x1e0 [ 517.229185][ T72] [ 517.231636][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 517.231636][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 517.231636][ T72] ipv6_find_idev+0x102/0x170 [ 517.231636][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 517.231636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.231636][ T72] netlink_rcv_skb+0x130/0x360 [ 517.231636][ T72] netlink_unicast+0x449/0x710 [ 517.231636][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.231636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.231636][ T72] ___sys_sendmsg+0xee/0x170 [ 517.231636][ T72] __sys_sendmsg+0xcd/0x170 [ 517.231636][ T72] do_syscall_64+0xc6/0x1e0 [ 517.231636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.231636][ T72] [ 517.233513][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 517.233513][ T72] neigh_parms_alloc+0x1e5/0x510 [ 517.233513][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 517.233513][ T72] ipv6_find_idev+0x102/0x170 [ 517.233513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 517.233513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 517.233513][ T72] netlink_rcv_skb+0x130/0x360 [ 517.233513][ T72] netlink_unicast+0x449/0x710 [ 517.233513][ T72] netlink_sendmsg+0x723/0xbe0 [ 517.233513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 517.233513][ T72] ___sys_sendmsg+0xee/0x170 [ 517.233513][ T72] __sys_sendmsg+0xcd/0x170 [ 517.233513][ T72] do_syscall_64+0xc6/0x1e0 [ 517.233513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 517.233513][ T72] [ 527.488907][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 527.489379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 527.489379][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 527.489379][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 527.489379][ T72] fib6_nh_init+0xa22/0x1580 [ 527.489379][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.489379][ T72] ip6_route_add+0x1c/0x140 [ 527.489379][ T72] inet6_rtm_newroute+0x104/0x110 [ 527.489379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.489379][ T72] netlink_rcv_skb+0x130/0x360 [ 527.489379][ T72] netlink_unicast+0x449/0x710 [ 527.489379][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.489379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.489379][ T72] ___sys_sendmsg+0xee/0x170 [ 527.489379][ T72] __sys_sendmsg+0xcd/0x170 [ 527.489379][ T72] do_syscall_64+0xc6/0x1e0 [ 527.489379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.489379][ T72] [ 527.491462][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 527.491462][ T72] dst_init+0x84/0x4a0 [ 527.491462][ T72] dst_alloc+0x97/0x150 [ 527.491462][ T72] ip6_dst_alloc+0x23/0x90 [ 527.491462][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 527.491462][ T72] ip6_pol_route+0x56f/0x840 [ 527.491462][ T72] fib6_rule_lookup+0x456/0x630 [ 527.491462][ T72] ip6_route_input+0x59c/0xa50 [ 527.491462][ T72] ipv6_rcv+0x397/0x810 [ 527.491462][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 527.491462][ T72] process_backlog+0x101/0x620 [ 527.491462][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 527.491462][ T72] net_rx_action+0x495/0xbe0 [ 527.491462][ T72] __do_softirq+0x1b5/0x7f6 [ 527.491462][ T72] [ 527.493257][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 527.493257][ T72] netdev_get_by_index+0x5e/0x80 [ 527.493257][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.493257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.493257][ T72] ip6_route_add+0x1c/0x140 [ 527.493257][ T72] addrconf_prefix_route+0x2a6/0x430 [ 527.493257][ T72] inet6_addr_add+0x4f8/0xa40 [ 527.493257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.493257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.493257][ T72] netlink_rcv_skb+0x130/0x360 [ 527.493257][ T72] netlink_unicast+0x449/0x710 [ 527.493257][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.493257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.493257][ T72] ___sys_sendmsg+0xee/0x170 [ 527.493257][ T72] __sys_sendmsg+0xcd/0x170 [ 527.493257][ T72] do_syscall_64+0xc6/0x1e0 [ 527.493257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.493257][ T72] [ 527.495476][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 527.495476][ T72] netdev_get_by_index+0x5e/0x80 [ 527.495476][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.495476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.495476][ T72] addrconf_f6i_alloc+0x315/0x560 [ 527.495476][ T72] ipv6_add_addr+0x411/0x2000 [ 527.495476][ T72] inet6_addr_add+0x30e/0xa40 [ 527.495476][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.495476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.495476][ T72] netlink_rcv_skb+0x130/0x360 [ 527.495476][ T72] netlink_unicast+0x449/0x710 [ 527.495476][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.495476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.495476][ T72] ___sys_sendmsg+0xee/0x170 [ 527.495476][ T72] __sys_sendmsg+0xcd/0x170 [ 527.495476][ T72] do_syscall_64+0xc6/0x1e0 [ 527.495476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.495476][ T72] [ 527.497470][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 527.497470][ T72] netdev_get_by_index+0x5e/0x80 [ 527.497470][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.497470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.497470][ T72] ip6_route_add+0x1c/0x140 [ 527.497470][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 527.497470][ T72] addrconf_add_dev+0xe2/0x170 [ 527.497470][ T72] inet6_addr_add+0x12f/0xa40 [ 527.497470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.497470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.497470][ T72] netlink_rcv_skb+0x130/0x360 [ 527.497470][ T72] netlink_unicast+0x449/0x710 [ 527.497470][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.497470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.497470][ T72] ___sys_sendmsg+0xee/0x170 [ 527.497470][ T72] __sys_sendmsg+0xcd/0x170 [ 527.497470][ T72] do_syscall_64+0xc6/0x1e0 [ 527.497470][ T72] [ 527.499416][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 527.499416][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 527.499416][ T72] ipv6_find_idev+0x102/0x170 [ 527.499416][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 527.499416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.499416][ T72] netlink_rcv_skb+0x130/0x360 [ 527.499416][ T72] netlink_unicast+0x449/0x710 [ 527.499416][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.499416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.499416][ T72] ___sys_sendmsg+0xee/0x170 [ 527.499416][ T72] __sys_sendmsg+0xcd/0x170 [ 527.499416][ T72] do_syscall_64+0xc6/0x1e0 [ 527.499416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.499416][ T72] [ 527.500937][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 527.500937][ T72] neigh_parms_alloc+0x1e5/0x510 [ 527.500937][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 527.500937][ T72] ipv6_find_idev+0x102/0x170 [ 527.500937][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 527.500937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.500937][ T72] netlink_rcv_skb+0x130/0x360 [ 527.500937][ T72] netlink_unicast+0x449/0x710 [ 527.500937][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.500937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.500937][ T72] ___sys_sendmsg+0xee/0x170 [ 527.500937][ T72] __sys_sendmsg+0xcd/0x170 [ 527.500937][ T72] do_syscall_64+0xc6/0x1e0 [ 527.500937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.500937][ T72] [ 527.502641][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 527.502930][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 527.502930][ T72] dst_init+0x84/0x4a0 [ 527.502930][ T72] dst_alloc+0x97/0x150 [ 527.502930][ T72] ip6_dst_alloc+0x23/0x90 [ 527.502930][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 527.502930][ T72] ip6_pol_route+0x56f/0x840 [ 527.502930][ T72] fib6_rule_lookup+0x456/0x630 [ 527.502930][ T72] ip6_route_input+0x59c/0xa50 [ 527.502930][ T72] ipv6_rcv+0x397/0x810 [ 527.502930][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 527.502930][ T72] process_backlog+0x101/0x620 [ 527.502930][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 527.502930][ T72] net_rx_action+0x495/0xbe0 [ 527.502930][ T72] __do_softirq+0x1b5/0x7f6 [ 527.502930][ T72] [ 527.504569][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 527.504569][ T72] netdev_get_by_index+0x5e/0x80 [ 527.504569][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.504569][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.504569][ T72] addrconf_f6i_alloc+0x265/0x560 [ 527.504569][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 527.504569][ T72] addrconf_join_anycast+0x1c0/0x220 [ 527.504569][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 527.504569][ T72] addrconf_dad_completed+0x12b/0xe20 [ 527.504569][ T72] addrconf_dad_begin+0x310/0x670 [ 527.504569][ T72] addrconf_dad_work+0x10b/0xab0 [ 527.504569][ T72] process_one_work+0x84d/0x18a0 [ 527.504569][ T72] worker_thread+0x587/0xd30 [ 527.504569][ T72] kthread+0x28a/0x350 [ 527.504569][ T72] ret_from_fork+0x31/0x70 [ 527.504569][ T72] ret_from_fork_asm+0x1a/0x30 [ 527.504569][ T72] [ 527.506484][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 527.506484][ T72] netdev_get_by_index+0x5e/0x80 [ 527.506484][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.506484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.506484][ T72] ip6_route_add+0x1c/0x140 [ 527.506484][ T72] addrconf_prefix_route+0x2a6/0x430 [ 527.506484][ T72] inet6_addr_add+0x4f8/0xa40 [ 527.506484][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.506484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.506484][ T72] netlink_rcv_skb+0x130/0x360 [ 527.506484][ T72] netlink_unicast+0x449/0x710 [ 527.506484][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.506484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.506484][ T72] ___sys_sendmsg+0xee/0x170 [ 527.506484][ T72] __sys_sendmsg+0xcd/0x170 [ 527.506484][ T72] do_syscall_64+0xc6/0x1e0 [ 527.506484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.506484][ T72] [ 527.508461][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 527.508461][ T72] netdev_get_by_index+0x5e/0x80 [ 527.508461][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.508461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.508461][ T72] addrconf_f6i_alloc+0x315/0x560 [ 527.508461][ T72] ipv6_add_addr+0x411/0x2000 [ 527.508461][ T72] inet6_addr_add+0x30e/0xa40 [ 527.508461][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.508461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.508461][ T72] netlink_rcv_skb+0x130/0x360 [ 527.508461][ T72] netlink_unicast+0x449/0x710 [ 527.508461][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.508461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.508461][ T72] ___sys_sendmsg+0xee/0x170 [ 527.508461][ T72] __sys_sendmsg+0xcd/0x170 [ 527.508461][ T72] do_syscall_64+0xc6/0x1e0 [ 527.508461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.508461][ T72] [ 527.510425][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 527.510425][ T72] netdev_get_by_index+0x5e/0x80 [ 527.510425][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.510425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.510425][ T72] ip6_route_add+0x1c/0x140 [ 527.510425][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 527.510425][ T72] addrconf_add_dev+0xe2/0x170 [ 527.510425][ T72] inet6_addr_add+0x12f/0xa40 [ 527.510425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.510425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.510425][ T72] netlink_rcv_skb+0x130/0x360 [ 527.510425][ T72] netlink_unicast+0x449/0x710 [ 527.510425][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.510425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.510425][ T72] ___sys_sendmsg+0xee/0x170 [ 527.510425][ T72] __sys_sendmsg+0xcd/0x170 [ 527.510425][ T72] do_syscall_64+0xc6/0x1e0 [ 527.510425][ T72] [ 527.512406][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 527.512406][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 527.512406][ T72] ipv6_find_idev+0x102/0x170 [ 527.512406][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 527.512406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.512406][ T72] netlink_rcv_skb+0x130/0x360 [ 527.512406][ T72] netlink_unicast+0x449/0x710 [ 527.512406][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.512406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.512406][ T72] ___sys_sendmsg+0xee/0x170 [ 527.512406][ T72] __sys_sendmsg+0xcd/0x170 [ 527.512406][ T72] do_syscall_64+0xc6/0x1e0 [ 527.512406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.512406][ T72] [ 527.513926][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 527.513926][ T72] neigh_parms_alloc+0x1e5/0x510 [ 527.513926][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 527.513926][ T72] ipv6_find_idev+0x102/0x170 [ 527.513926][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 527.513926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.513926][ T72] netlink_rcv_skb+0x130/0x360 [ 527.513926][ T72] netlink_unicast+0x449/0x710 [ 527.513926][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.513926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.513926][ T72] ___sys_sendmsg+0xee/0x170 [ 527.513926][ T72] __sys_sendmsg+0xcd/0x170 [ 527.513926][ T72] do_syscall_64+0xc6/0x1e0 [ 527.513926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.513926][ T72] [ 527.515710][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 527.516032][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 527.516032][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 527.516032][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 527.516032][ T72] fib6_nh_init+0xa22/0x1580 [ 527.516032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.516032][ T72] ip6_route_add+0x1c/0x140 [ 527.516032][ T72] inet6_rtm_newroute+0x104/0x110 [ 527.516032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.516032][ T72] netlink_rcv_skb+0x130/0x360 [ 527.516032][ T72] netlink_unicast+0x449/0x710 [ 527.516032][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.516032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.516032][ T72] ___sys_sendmsg+0xee/0x170 [ 527.516032][ T72] __sys_sendmsg+0xcd/0x170 [ 527.516032][ T72] do_syscall_64+0xc6/0x1e0 [ 527.516032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.516032][ T72] [ 527.518283][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 527.518283][ T72] dst_init+0x84/0x4a0 [ 527.518283][ T72] dst_alloc+0x97/0x150 [ 527.518283][ T72] ip6_dst_alloc+0x23/0x90 [ 527.518283][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 527.518283][ T72] ip6_pol_route+0x56f/0x840 [ 527.518283][ T72] fib6_rule_lookup+0x456/0x630 [ 527.518283][ T72] ip6_route_input+0x59c/0xa50 [ 527.518283][ T72] ipv6_rcv+0x397/0x810 [ 527.518283][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 527.518283][ T72] process_backlog+0x101/0x620 [ 527.518283][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 527.518283][ T72] net_rx_action+0x495/0xbe0 [ 527.518283][ T72] __do_softirq+0x1b5/0x7f6 [ 527.518283][ T72] [ 527.520081][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 527.520081][ T72] netdev_get_by_index+0x5e/0x80 [ 527.520081][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.520081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.520081][ T72] ip6_route_add+0x1c/0x140 [ 527.520081][ T72] addrconf_prefix_route+0x2a6/0x430 [ 527.520081][ T72] inet6_addr_add+0x4f8/0xa40 [ 527.520081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.520081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.520081][ T72] netlink_rcv_skb+0x130/0x360 [ 527.520081][ T72] netlink_unicast+0x449/0x710 [ 527.520081][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.520081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.520081][ T72] ___sys_sendmsg+0xee/0x170 [ 527.520081][ T72] __sys_sendmsg+0xcd/0x170 [ 527.520081][ T72] do_syscall_64+0xc6/0x1e0 [ 527.520081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.520081][ T72] [ 527.522377][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 527.522377][ T72] netdev_get_by_index+0x5e/0x80 [ 527.522377][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.522377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.522377][ T72] addrconf_f6i_alloc+0x315/0x560 [ 527.522377][ T72] ipv6_add_addr+0x411/0x2000 [ 527.522377][ T72] inet6_addr_add+0x30e/0xa40 [ 527.522377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.522377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.522377][ T72] netlink_rcv_skb+0x130/0x360 [ 527.522377][ T72] netlink_unicast+0x449/0x710 [ 527.522377][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.522377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.522377][ T72] ___sys_sendmsg+0xee/0x170 [ 527.522377][ T72] __sys_sendmsg+0xcd/0x170 [ 527.522377][ T72] do_syscall_64+0xc6/0x1e0 [ 527.522377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.522377][ T72] [ 527.524636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 527.524636][ T72] netdev_get_by_index+0x5e/0x80 [ 527.524636][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.524636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.524636][ T72] ip6_route_add+0x1c/0x140 [ 527.524636][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 527.524636][ T72] addrconf_add_dev+0xe2/0x170 [ 527.524636][ T72] inet6_addr_add+0x12f/0xa40 [ 527.524636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.524636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.524636][ T72] netlink_rcv_skb+0x130/0x360 [ 527.524636][ T72] netlink_unicast+0x449/0x710 [ 527.524636][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.524636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.524636][ T72] ___sys_sendmsg+0xee/0x170 [ 527.524636][ T72] __sys_sendmsg+0xcd/0x170 [ 527.524636][ T72] do_syscall_64+0xc6/0x1e0 [ 527.524636][ T72] [ 527.526935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 527.526935][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 527.526935][ T72] ipv6_find_idev+0x102/0x170 [ 527.526935][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 527.526935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.526935][ T72] netlink_rcv_skb+0x130/0x360 [ 527.526935][ T72] netlink_unicast+0x449/0x710 [ 527.526935][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.526935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.526935][ T72] ___sys_sendmsg+0xee/0x170 [ 527.526935][ T72] __sys_sendmsg+0xcd/0x170 [ 527.526935][ T72] do_syscall_64+0xc6/0x1e0 [ 527.526935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.526935][ T72] [ 527.528649][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 527.528649][ T72] neigh_parms_alloc+0x1e5/0x510 [ 527.528649][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 527.528649][ T72] ipv6_find_idev+0x102/0x170 [ 527.528649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 527.528649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.528649][ T72] netlink_rcv_skb+0x130/0x360 [ 527.528649][ T72] netlink_unicast+0x449/0x710 [ 527.528649][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.528649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.528649][ T72] ___sys_sendmsg+0xee/0x170 [ 527.528649][ T72] __sys_sendmsg+0xcd/0x170 [ 527.528649][ T72] do_syscall_64+0xc6/0x1e0 [ 527.528649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.528649][ T72] [ 527.530586][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 527.531321][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 527.531321][ T72] netdev_get_by_index+0x5e/0x80 [ 527.531321][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.531321][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.531321][ T72] addrconf_f6i_alloc+0x265/0x560 [ 527.531321][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 527.531321][ T72] addrconf_join_anycast+0x1c0/0x220 [ 527.531321][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 527.531321][ T72] addrconf_dad_completed+0x12b/0xe20 [ 527.531321][ T72] addrconf_dad_begin+0x310/0x670 [ 527.531321][ T72] addrconf_dad_work+0x10b/0xab0 [ 527.531321][ T72] process_one_work+0x84d/0x18a0 [ 527.531321][ T72] worker_thread+0x587/0xd30 [ 527.531321][ T72] kthread+0x28a/0x350 [ 527.531321][ T72] ret_from_fork+0x31/0x70 [ 527.531321][ T72] ret_from_fork_asm+0x1a/0x30 [ 527.531321][ T72] [ 527.533361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 527.533361][ T72] netdev_get_by_index+0x5e/0x80 [ 527.533361][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.533361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.533361][ T72] ip6_route_add+0x1c/0x140 [ 527.533361][ T72] addrconf_prefix_route+0x2a6/0x430 [ 527.533361][ T72] inet6_addr_add+0x4f8/0xa40 [ 527.533361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.533361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.533361][ T72] netlink_rcv_skb+0x130/0x360 [ 527.533361][ T72] netlink_unicast+0x449/0x710 [ 527.533361][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.533361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.533361][ T72] ___sys_sendmsg+0xee/0x170 [ 527.533361][ T72] __sys_sendmsg+0xcd/0x170 [ 527.533361][ T72] do_syscall_64+0xc6/0x1e0 [ 527.533361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.533361][ T72] [ 527.535562][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 527.535562][ T72] netdev_get_by_index+0x5e/0x80 [ 527.535562][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.535562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.535562][ T72] addrconf_f6i_alloc+0x315/0x560 [ 527.535562][ T72] ipv6_add_addr+0x411/0x2000 [ 527.535562][ T72] inet6_addr_add+0x30e/0xa40 [ 527.535562][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.535562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.535562][ T72] netlink_rcv_skb+0x130/0x360 [ 527.535562][ T72] netlink_unicast+0x449/0x710 [ 527.535562][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.535562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.535562][ T72] ___sys_sendmsg+0xee/0x170 [ 527.535562][ T72] __sys_sendmsg+0xcd/0x170 [ 527.535562][ T72] do_syscall_64+0xc6/0x1e0 [ 527.535562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.535562][ T72] [ 527.537835][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 527.537835][ T72] netdev_get_by_index+0x5e/0x80 [ 527.537835][ T72] fib6_nh_init+0x3d8/0x1580 [ 527.537835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 527.537835][ T72] ip6_route_add+0x1c/0x140 [ 527.537835][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 527.537835][ T72] addrconf_add_dev+0xe2/0x170 [ 527.537835][ T72] inet6_addr_add+0x12f/0xa40 [ 527.537835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 527.537835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.537835][ T72] netlink_rcv_skb+0x130/0x360 [ 527.537835][ T72] netlink_unicast+0x449/0x710 [ 527.537835][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.537835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.537835][ T72] ___sys_sendmsg+0xee/0x170 [ 527.537835][ T72] __sys_sendmsg+0xcd/0x170 [ 527.537835][ T72] do_syscall_64+0xc6/0x1e0 [ 527.537835][ T72] [ 527.540168][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 527.540168][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 527.540168][ T72] ipv6_find_idev+0x102/0x170 [ 527.540168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 527.540168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.540168][ T72] netlink_rcv_skb+0x130/0x360 [ 527.540168][ T72] netlink_unicast+0x449/0x710 [ 527.540168][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.540168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.540168][ T72] ___sys_sendmsg+0xee/0x170 [ 527.540168][ T72] __sys_sendmsg+0xcd/0x170 [ 527.540168][ T72] do_syscall_64+0xc6/0x1e0 [ 527.540168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.540168][ T72] [ 527.541864][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 527.541864][ T72] neigh_parms_alloc+0x1e5/0x510 [ 527.541864][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 527.541864][ T72] ipv6_find_idev+0x102/0x170 [ 527.541864][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 527.541864][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 527.541864][ T72] netlink_rcv_skb+0x130/0x360 [ 527.541864][ T72] netlink_unicast+0x449/0x710 [ 527.541864][ T72] netlink_sendmsg+0x723/0xbe0 [ 527.541864][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 527.541864][ T72] ___sys_sendmsg+0xee/0x170 [ 527.541864][ T72] __sys_sendmsg+0xcd/0x170 [ 527.541864][ T72] do_syscall_64+0xc6/0x1e0 [ 527.541864][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 527.541864][ T72] [ 537.544947][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 537.545568][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 537.545568][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 537.545568][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 537.545568][ T72] fib6_nh_init+0xa22/0x1580 [ 537.545568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.545568][ T72] ip6_route_add+0x1c/0x140 [ 537.545568][ T72] inet6_rtm_newroute+0x104/0x110 [ 537.545568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.545568][ T72] netlink_rcv_skb+0x130/0x360 [ 537.545568][ T72] netlink_unicast+0x449/0x710 [ 537.545568][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.545568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.545568][ T72] ___sys_sendmsg+0xee/0x170 [ 537.545568][ T72] __sys_sendmsg+0xcd/0x170 [ 537.545568][ T72] do_syscall_64+0xc6/0x1e0 [ 537.545568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.545568][ T72] [ 537.548523][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 537.548523][ T72] dst_init+0x84/0x4a0 [ 537.548523][ T72] dst_alloc+0x97/0x150 [ 537.548523][ T72] ip6_dst_alloc+0x23/0x90 [ 537.548523][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 537.548523][ T72] ip6_pol_route+0x56f/0x840 [ 537.548523][ T72] fib6_rule_lookup+0x456/0x630 [ 537.548523][ T72] ip6_route_input+0x59c/0xa50 [ 537.548523][ T72] ipv6_rcv+0x397/0x810 [ 537.548523][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 537.548523][ T72] process_backlog+0x101/0x620 [ 537.548523][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 537.548523][ T72] net_rx_action+0x495/0xbe0 [ 537.548523][ T72] __do_softirq+0x1b5/0x7f6 [ 537.548523][ T72] [ 537.551179][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 537.551179][ T72] netdev_get_by_index+0x5e/0x80 [ 537.551179][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.551179][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.551179][ T72] ip6_route_add+0x1c/0x140 [ 537.551179][ T72] addrconf_prefix_route+0x2a6/0x430 [ 537.551179][ T72] inet6_addr_add+0x4f8/0xa40 [ 537.551179][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.551179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.551179][ T72] netlink_rcv_skb+0x130/0x360 [ 537.551179][ T72] netlink_unicast+0x449/0x710 [ 537.551179][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.551179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.551179][ T72] ___sys_sendmsg+0xee/0x170 [ 537.551179][ T72] __sys_sendmsg+0xcd/0x170 [ 537.551179][ T72] do_syscall_64+0xc6/0x1e0 [ 537.551179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.551179][ T72] [ 537.554174][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 537.554174][ T72] netdev_get_by_index+0x5e/0x80 [ 537.554174][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.554174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.554174][ T72] addrconf_f6i_alloc+0x315/0x560 [ 537.554174][ T72] ipv6_add_addr+0x411/0x2000 [ 537.554174][ T72] inet6_addr_add+0x30e/0xa40 [ 537.554174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.554174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.554174][ T72] netlink_rcv_skb+0x130/0x360 [ 537.554174][ T72] netlink_unicast+0x449/0x710 [ 537.554174][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.554174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.554174][ T72] ___sys_sendmsg+0xee/0x170 [ 537.554174][ T72] __sys_sendmsg+0xcd/0x170 [ 537.554174][ T72] do_syscall_64+0xc6/0x1e0 [ 537.554174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.554174][ T72] [ 537.557500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 537.557500][ T72] netdev_get_by_index+0x5e/0x80 [ 537.557500][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.557500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.557500][ T72] ip6_route_add+0x1c/0x140 [ 537.557500][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 537.557500][ T72] addrconf_add_dev+0xe2/0x170 [ 537.557500][ T72] inet6_addr_add+0x12f/0xa40 [ 537.557500][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.557500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.557500][ T72] netlink_rcv_skb+0x130/0x360 [ 537.557500][ T72] netlink_unicast+0x449/0x710 [ 537.557500][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.557500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.557500][ T72] ___sys_sendmsg+0xee/0x170 [ 537.557500][ T72] __sys_sendmsg+0xcd/0x170 [ 537.557500][ T72] do_syscall_64+0xc6/0x1e0 [ 537.557500][ T72] [ 537.560779][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 537.560779][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 537.560779][ T72] ipv6_find_idev+0x102/0x170 [ 537.560779][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 537.560779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.560779][ T72] netlink_rcv_skb+0x130/0x360 [ 537.560779][ T72] netlink_unicast+0x449/0x710 [ 537.560779][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.560779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.560779][ T72] ___sys_sendmsg+0xee/0x170 [ 537.560779][ T72] __sys_sendmsg+0xcd/0x170 [ 537.560779][ T72] do_syscall_64+0xc6/0x1e0 [ 537.560779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.560779][ T72] [ 537.563334][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 537.563334][ T72] neigh_parms_alloc+0x1e5/0x510 [ 537.563334][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 537.563334][ T72] ipv6_find_idev+0x102/0x170 [ 537.563334][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 537.563334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.563334][ T72] netlink_rcv_skb+0x130/0x360 [ 537.563334][ T72] netlink_unicast+0x449/0x710 [ 537.563334][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.563334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.563334][ T72] ___sys_sendmsg+0xee/0x170 [ 537.563334][ T72] __sys_sendmsg+0xcd/0x170 [ 537.563334][ T72] do_syscall_64+0xc6/0x1e0 [ 537.563334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.563334][ T72] [ 537.566183][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 537.566625][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 537.566625][ T72] dst_init+0x84/0x4a0 [ 537.566625][ T72] dst_alloc+0x97/0x150 [ 537.566625][ T72] ip6_dst_alloc+0x23/0x90 [ 537.566625][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 537.566625][ T72] ip6_pol_route+0x56f/0x840 [ 537.566625][ T72] fib6_rule_lookup+0x456/0x630 [ 537.566625][ T72] ip6_route_input+0x59c/0xa50 [ 537.566625][ T72] ipv6_rcv+0x397/0x810 [ 537.566625][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 537.566625][ T72] process_backlog+0x101/0x620 [ 537.566625][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 537.566625][ T72] net_rx_action+0x495/0xbe0 [ 537.566625][ T72] __do_softirq+0x1b5/0x7f6 [ 537.566625][ T72] [ 537.569380][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 537.569380][ T72] netdev_get_by_index+0x5e/0x80 [ 537.569380][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.569380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.569380][ T72] addrconf_f6i_alloc+0x265/0x560 [ 537.569380][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 537.569380][ T72] addrconf_join_anycast+0x1c0/0x220 [ 537.569380][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 537.569380][ T72] addrconf_dad_completed+0x12b/0xe20 [ 537.569380][ T72] addrconf_dad_begin+0x310/0x670 [ 537.569380][ T72] addrconf_dad_work+0x10b/0xab0 [ 537.569380][ T72] process_one_work+0x84d/0x18a0 [ 537.569380][ T72] worker_thread+0x587/0xd30 [ 537.569380][ T72] kthread+0x28a/0x350 [ 537.569380][ T72] ret_from_fork+0x31/0x70 [ 537.569380][ T72] ret_from_fork_asm+0x1a/0x30 [ 537.569380][ T72] [ 537.572415][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 537.572415][ T72] netdev_get_by_index+0x5e/0x80 [ 537.572415][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.572415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.572415][ T72] ip6_route_add+0x1c/0x140 [ 537.572415][ T72] addrconf_prefix_route+0x2a6/0x430 [ 537.572415][ T72] inet6_addr_add+0x4f8/0xa40 [ 537.572415][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.572415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.572415][ T72] netlink_rcv_skb+0x130/0x360 [ 537.572415][ T72] netlink_unicast+0x449/0x710 [ 537.572415][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.572415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.572415][ T72] ___sys_sendmsg+0xee/0x170 [ 537.572415][ T72] __sys_sendmsg+0xcd/0x170 [ 537.572415][ T72] do_syscall_64+0xc6/0x1e0 [ 537.572415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.572415][ T72] [ 537.575597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 537.575597][ T72] netdev_get_by_index+0x5e/0x80 [ 537.575597][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.575597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.575597][ T72] addrconf_f6i_alloc+0x315/0x560 [ 537.575597][ T72] ipv6_add_addr+0x411/0x2000 [ 537.575597][ T72] inet6_addr_add+0x30e/0xa40 [ 537.575597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.575597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.575597][ T72] netlink_rcv_skb+0x130/0x360 [ 537.575597][ T72] netlink_unicast+0x449/0x710 [ 537.575597][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.575597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.575597][ T72] ___sys_sendmsg+0xee/0x170 [ 537.575597][ T72] __sys_sendmsg+0xcd/0x170 [ 537.575597][ T72] do_syscall_64+0xc6/0x1e0 [ 537.575597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.575597][ T72] [ 537.578776][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 537.578776][ T72] netdev_get_by_index+0x5e/0x80 [ 537.578776][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.578776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.578776][ T72] ip6_route_add+0x1c/0x140 [ 537.578776][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 537.578776][ T72] addrconf_add_dev+0xe2/0x170 [ 537.578776][ T72] inet6_addr_add+0x12f/0xa40 [ 537.578776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.578776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.578776][ T72] netlink_rcv_skb+0x130/0x360 [ 537.578776][ T72] netlink_unicast+0x449/0x710 [ 537.578776][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.578776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.578776][ T72] ___sys_sendmsg+0xee/0x170 [ 537.578776][ T72] __sys_sendmsg+0xcd/0x170 [ 537.578776][ T72] do_syscall_64+0xc6/0x1e0 [ 537.578776][ T72] [ 537.582005][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 537.582005][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 537.582005][ T72] ipv6_find_idev+0x102/0x170 [ 537.582005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 537.582005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.582005][ T72] netlink_rcv_skb+0x130/0x360 [ 537.582005][ T72] netlink_unicast+0x449/0x710 [ 537.582005][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.582005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.582005][ T72] ___sys_sendmsg+0xee/0x170 [ 537.582005][ T72] __sys_sendmsg+0xcd/0x170 [ 537.582005][ T72] do_syscall_64+0xc6/0x1e0 [ 537.582005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.582005][ T72] [ 537.584520][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 537.584520][ T72] neigh_parms_alloc+0x1e5/0x510 [ 537.584520][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 537.584520][ T72] ipv6_find_idev+0x102/0x170 [ 537.584520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 537.584520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.584520][ T72] netlink_rcv_skb+0x130/0x360 [ 537.584520][ T72] netlink_unicast+0x449/0x710 [ 537.584520][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.584520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.584520][ T72] ___sys_sendmsg+0xee/0x170 [ 537.584520][ T72] __sys_sendmsg+0xcd/0x170 [ 537.584520][ T72] do_syscall_64+0xc6/0x1e0 [ 537.584520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.584520][ T72] [ 537.587388][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 537.587972][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 537.587972][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 537.587972][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 537.587972][ T72] fib6_nh_init+0xa22/0x1580 [ 537.587972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.587972][ T72] ip6_route_add+0x1c/0x140 [ 537.587972][ T72] inet6_rtm_newroute+0x104/0x110 [ 537.587972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.587972][ T72] netlink_rcv_skb+0x130/0x360 [ 537.587972][ T72] netlink_unicast+0x449/0x710 [ 537.587972][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.587972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.587972][ T72] ___sys_sendmsg+0xee/0x170 [ 537.587972][ T72] __sys_sendmsg+0xcd/0x170 [ 537.587972][ T72] do_syscall_64+0xc6/0x1e0 [ 537.587972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.587972][ T72] [ 537.591713][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 537.591713][ T72] dst_init+0x84/0x4a0 [ 537.591713][ T72] dst_alloc+0x97/0x150 [ 537.591713][ T72] ip6_dst_alloc+0x23/0x90 [ 537.591713][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 537.591713][ T72] ip6_pol_route+0x56f/0x840 [ 537.591713][ T72] fib6_rule_lookup+0x456/0x630 [ 537.591713][ T72] ip6_route_input+0x59c/0xa50 [ 537.591713][ T72] ipv6_rcv+0x397/0x810 [ 537.591713][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 537.591713][ T72] process_backlog+0x101/0x620 [ 537.591713][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 537.591713][ T72] net_rx_action+0x495/0xbe0 [ 537.591713][ T72] __do_softirq+0x1b5/0x7f6 [ 537.591713][ T72] [ 537.594575][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 537.594575][ T72] netdev_get_by_index+0x5e/0x80 [ 537.594575][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.594575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.594575][ T72] ip6_route_add+0x1c/0x140 [ 537.594575][ T72] addrconf_prefix_route+0x2a6/0x430 [ 537.594575][ T72] inet6_addr_add+0x4f8/0xa40 [ 537.594575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.594575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.594575][ T72] netlink_rcv_skb+0x130/0x360 [ 537.594575][ T72] netlink_unicast+0x449/0x710 [ 537.594575][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.594575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.594575][ T72] ___sys_sendmsg+0xee/0x170 [ 537.594575][ T72] __sys_sendmsg+0xcd/0x170 [ 537.594575][ T72] do_syscall_64+0xc6/0x1e0 [ 537.594575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.594575][ T72] [ 537.597978][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 537.597978][ T72] netdev_get_by_index+0x5e/0x80 [ 537.597978][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.597978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.597978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 537.597978][ T72] ipv6_add_addr+0x411/0x2000 [ 537.597978][ T72] inet6_addr_add+0x30e/0xa40 [ 537.597978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.597978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.597978][ T72] netlink_rcv_skb+0x130/0x360 [ 537.597978][ T72] netlink_unicast+0x449/0x710 [ 537.597978][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.597978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.597978][ T72] ___sys_sendmsg+0xee/0x170 [ 537.597978][ T72] __sys_sendmsg+0xcd/0x170 [ 537.597978][ T72] do_syscall_64+0xc6/0x1e0 [ 537.597978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.597978][ T72] [ 537.601391][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 537.601391][ T72] netdev_get_by_index+0x5e/0x80 [ 537.601391][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.601391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.601391][ T72] ip6_route_add+0x1c/0x140 [ 537.601391][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 537.601391][ T72] addrconf_add_dev+0xe2/0x170 [ 537.601391][ T72] inet6_addr_add+0x12f/0xa40 [ 537.601391][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.601391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.601391][ T72] netlink_rcv_skb+0x130/0x360 [ 537.601391][ T72] netlink_unicast+0x449/0x710 [ 537.601391][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.601391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.601391][ T72] ___sys_sendmsg+0xee/0x170 [ 537.601391][ T72] __sys_sendmsg+0xcd/0x170 [ 537.601391][ T72] do_syscall_64+0xc6/0x1e0 [ 537.601391][ T72] [ 537.604647][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 537.604647][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 537.604647][ T72] ipv6_find_idev+0x102/0x170 [ 537.604647][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 537.604647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.604647][ T72] netlink_rcv_skb+0x130/0x360 [ 537.604647][ T72] netlink_unicast+0x449/0x710 [ 537.604647][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.604647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.604647][ T72] ___sys_sendmsg+0xee/0x170 [ 537.604647][ T72] __sys_sendmsg+0xcd/0x170 [ 537.604647][ T72] do_syscall_64+0xc6/0x1e0 [ 537.604647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.604647][ T72] [ 537.607254][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 537.607254][ T72] neigh_parms_alloc+0x1e5/0x510 [ 537.607254][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 537.607254][ T72] ipv6_find_idev+0x102/0x170 [ 537.607254][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 537.607254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.607254][ T72] netlink_rcv_skb+0x130/0x360 [ 537.607254][ T72] netlink_unicast+0x449/0x710 [ 537.607254][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.607254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.607254][ T72] ___sys_sendmsg+0xee/0x170 [ 537.607254][ T72] __sys_sendmsg+0xcd/0x170 [ 537.607254][ T72] do_syscall_64+0xc6/0x1e0 [ 537.607254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.607254][ T72] [ 537.609594][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 537.609925][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 537.609925][ T72] netdev_get_by_index+0x5e/0x80 [ 537.609925][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.609925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.609925][ T72] addrconf_f6i_alloc+0x265/0x560 [ 537.609925][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 537.609925][ T72] addrconf_join_anycast+0x1c0/0x220 [ 537.609925][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 537.609925][ T72] addrconf_dad_completed+0x12b/0xe20 [ 537.609925][ T72] addrconf_dad_begin+0x310/0x670 [ 537.609925][ T72] addrconf_dad_work+0x10b/0xab0 [ 537.609925][ T72] process_one_work+0x84d/0x18a0 [ 537.609925][ T72] worker_thread+0x587/0xd30 [ 537.609925][ T72] kthread+0x28a/0x350 [ 537.609925][ T72] ret_from_fork+0x31/0x70 [ 537.609925][ T72] ret_from_fork_asm+0x1a/0x30 [ 537.609925][ T72] [ 537.612382][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 537.612382][ T72] netdev_get_by_index+0x5e/0x80 [ 537.612382][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.612382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.612382][ T72] ip6_route_add+0x1c/0x140 [ 537.612382][ T72] addrconf_prefix_route+0x2a6/0x430 [ 537.612382][ T72] inet6_addr_add+0x4f8/0xa40 [ 537.612382][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.612382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.612382][ T72] netlink_rcv_skb+0x130/0x360 [ 537.612382][ T72] netlink_unicast+0x449/0x710 [ 537.612382][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.612382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.612382][ T72] ___sys_sendmsg+0xee/0x170 [ 537.612382][ T72] __sys_sendmsg+0xcd/0x170 [ 537.612382][ T72] do_syscall_64+0xc6/0x1e0 [ 537.612382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.612382][ T72] [ 537.614654][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 537.614654][ T72] netdev_get_by_index+0x5e/0x80 [ 537.614654][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.614654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.614654][ T72] addrconf_f6i_alloc+0x315/0x560 [ 537.614654][ T72] ipv6_add_addr+0x411/0x2000 [ 537.614654][ T72] inet6_addr_add+0x30e/0xa40 [ 537.614654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.614654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.614654][ T72] netlink_rcv_skb+0x130/0x360 [ 537.614654][ T72] netlink_unicast+0x449/0x710 [ 537.614654][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.614654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.614654][ T72] ___sys_sendmsg+0xee/0x170 [ 537.614654][ T72] __sys_sendmsg+0xcd/0x170 [ 537.614654][ T72] do_syscall_64+0xc6/0x1e0 [ 537.614654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.614654][ T72] [ 537.616939][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 537.616939][ T72] netdev_get_by_index+0x5e/0x80 [ 537.616939][ T72] fib6_nh_init+0x3d8/0x1580 [ 537.616939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 537.616939][ T72] ip6_route_add+0x1c/0x140 [ 537.616939][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 537.616939][ T72] addrconf_add_dev+0xe2/0x170 [ 537.616939][ T72] inet6_addr_add+0x12f/0xa40 [ 537.616939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 537.616939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.616939][ T72] netlink_rcv_skb+0x130/0x360 [ 537.616939][ T72] netlink_unicast+0x449/0x710 [ 537.616939][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.616939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.616939][ T72] ___sys_sendmsg+0xee/0x170 [ 537.616939][ T72] __sys_sendmsg+0xcd/0x170 [ 537.616939][ T72] do_syscall_64+0xc6/0x1e0 [ 537.616939][ T72] [ 537.619168][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 537.619168][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 537.619168][ T72] ipv6_find_idev+0x102/0x170 [ 537.619168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 537.619168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.619168][ T72] netlink_rcv_skb+0x130/0x360 [ 537.619168][ T72] netlink_unicast+0x449/0x710 [ 537.619168][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.619168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.619168][ T72] ___sys_sendmsg+0xee/0x170 [ 537.619168][ T72] __sys_sendmsg+0xcd/0x170 [ 537.619168][ T72] do_syscall_64+0xc6/0x1e0 [ 537.619168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.619168][ T72] [ 537.620891][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 537.620891][ T72] neigh_parms_alloc+0x1e5/0x510 [ 537.620891][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 537.620891][ T72] ipv6_find_idev+0x102/0x170 [ 537.620891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 537.620891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 537.620891][ T72] netlink_rcv_skb+0x130/0x360 [ 537.620891][ T72] netlink_unicast+0x449/0x710 [ 537.620891][ T72] netlink_sendmsg+0x723/0xbe0 [ 537.620891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 537.620891][ T72] ___sys_sendmsg+0xee/0x170 [ 537.620891][ T72] __sys_sendmsg+0xcd/0x170 [ 537.620891][ T72] do_syscall_64+0xc6/0x1e0 [ 537.620891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 537.620891][ T72] [ 547.784975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 547.785805][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 547.785805][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 547.785805][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 547.785805][ T72] fib6_nh_init+0xa22/0x1580 [ 547.785805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.785805][ T72] ip6_route_add+0x1c/0x140 [ 547.785805][ T72] inet6_rtm_newroute+0x104/0x110 [ 547.785805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.785805][ T72] netlink_rcv_skb+0x130/0x360 [ 547.785805][ T72] netlink_unicast+0x449/0x710 [ 547.785805][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.785805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.785805][ T72] ___sys_sendmsg+0xee/0x170 [ 547.785805][ T72] __sys_sendmsg+0xcd/0x170 [ 547.785805][ T72] do_syscall_64+0xc6/0x1e0 [ 547.785805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.785805][ T72] [ 547.787872][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 547.787872][ T72] dst_init+0x84/0x4a0 [ 547.787872][ T72] dst_alloc+0x97/0x150 [ 547.787872][ T72] ip6_dst_alloc+0x23/0x90 [ 547.787872][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 547.787872][ T72] ip6_pol_route+0x56f/0x840 [ 547.787872][ T72] fib6_rule_lookup+0x456/0x630 [ 547.787872][ T72] ip6_route_input+0x59c/0xa50 [ 547.787872][ T72] ipv6_rcv+0x397/0x810 [ 547.787872][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 547.787872][ T72] process_backlog+0x101/0x620 [ 547.787872][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 547.787872][ T72] net_rx_action+0x495/0xbe0 [ 547.787872][ T72] __do_softirq+0x1b5/0x7f6 [ 547.787872][ T72] [ 547.789651][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 547.789651][ T72] netdev_get_by_index+0x5e/0x80 [ 547.789651][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.789651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.789651][ T72] ip6_route_add+0x1c/0x140 [ 547.789651][ T72] addrconf_prefix_route+0x2a6/0x430 [ 547.789651][ T72] inet6_addr_add+0x4f8/0xa40 [ 547.789651][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.789651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.789651][ T72] netlink_rcv_skb+0x130/0x360 [ 547.789651][ T72] netlink_unicast+0x449/0x710 [ 547.789651][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.789651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.789651][ T72] ___sys_sendmsg+0xee/0x170 [ 547.789651][ T72] __sys_sendmsg+0xcd/0x170 [ 547.789651][ T72] do_syscall_64+0xc6/0x1e0 [ 547.789651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.789651][ T72] [ 547.791816][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 547.791816][ T72] netdev_get_by_index+0x5e/0x80 [ 547.791816][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.791816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.791816][ T72] addrconf_f6i_alloc+0x315/0x560 [ 547.791816][ T72] ipv6_add_addr+0x411/0x2000 [ 547.791816][ T72] inet6_addr_add+0x30e/0xa40 [ 547.791816][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.791816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.791816][ T72] netlink_rcv_skb+0x130/0x360 [ 547.791816][ T72] netlink_unicast+0x449/0x710 [ 547.791816][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.791816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.791816][ T72] ___sys_sendmsg+0xee/0x170 [ 547.791816][ T72] __sys_sendmsg+0xcd/0x170 [ 547.791816][ T72] do_syscall_64+0xc6/0x1e0 [ 547.791816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.791816][ T72] [ 547.793977][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 547.793977][ T72] netdev_get_by_index+0x5e/0x80 [ 547.793977][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.793977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.793977][ T72] ip6_route_add+0x1c/0x140 [ 547.793977][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 547.793977][ T72] addrconf_add_dev+0xe2/0x170 [ 547.793977][ T72] inet6_addr_add+0x12f/0xa40 [ 547.793977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.793977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.793977][ T72] netlink_rcv_skb+0x130/0x360 [ 547.793977][ T72] netlink_unicast+0x449/0x710 [ 547.793977][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.793977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.793977][ T72] ___sys_sendmsg+0xee/0x170 [ 547.793977][ T72] __sys_sendmsg+0xcd/0x170 [ 547.793977][ T72] do_syscall_64+0xc6/0x1e0 [ 547.793977][ T72] [ 547.796063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 547.796063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 547.796063][ T72] ipv6_find_idev+0x102/0x170 [ 547.796063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 547.796063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.796063][ T72] netlink_rcv_skb+0x130/0x360 [ 547.796063][ T72] netlink_unicast+0x449/0x710 [ 547.796063][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.796063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.796063][ T72] ___sys_sendmsg+0xee/0x170 [ 547.796063][ T72] __sys_sendmsg+0xcd/0x170 [ 547.796063][ T72] do_syscall_64+0xc6/0x1e0 [ 547.796063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.796063][ T72] [ 547.797613][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 547.797613][ T72] neigh_parms_alloc+0x1e5/0x510 [ 547.797613][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 547.797613][ T72] ipv6_find_idev+0x102/0x170 [ 547.797613][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 547.797613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.797613][ T72] netlink_rcv_skb+0x130/0x360 [ 547.797613][ T72] netlink_unicast+0x449/0x710 [ 547.797613][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.797613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.797613][ T72] ___sys_sendmsg+0xee/0x170 [ 547.797613][ T72] __sys_sendmsg+0xcd/0x170 [ 547.797613][ T72] do_syscall_64+0xc6/0x1e0 [ 547.797613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.797613][ T72] [ 547.799337][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 547.799610][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 547.799610][ T72] dst_init+0x84/0x4a0 [ 547.799610][ T72] dst_alloc+0x97/0x150 [ 547.799610][ T72] ip6_dst_alloc+0x23/0x90 [ 547.799610][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 547.799610][ T72] ip6_pol_route+0x56f/0x840 [ 547.799610][ T72] fib6_rule_lookup+0x456/0x630 [ 547.799610][ T72] ip6_route_input+0x59c/0xa50 [ 547.799610][ T72] ipv6_rcv+0x397/0x810 [ 547.799610][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 547.799610][ T72] process_backlog+0x101/0x620 [ 547.799610][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 547.799610][ T72] net_rx_action+0x495/0xbe0 [ 547.799610][ T72] __do_softirq+0x1b5/0x7f6 [ 547.799610][ T72] [ 547.801253][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 547.801253][ T72] netdev_get_by_index+0x5e/0x80 [ 547.801253][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.801253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.801253][ T72] addrconf_f6i_alloc+0x265/0x560 [ 547.801253][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 547.801253][ T72] addrconf_join_anycast+0x1c0/0x220 [ 547.801253][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 547.801253][ T72] addrconf_dad_completed+0x12b/0xe20 [ 547.801253][ T72] addrconf_dad_begin+0x310/0x670 [ 547.801253][ T72] addrconf_dad_work+0x10b/0xab0 [ 547.801253][ T72] process_one_work+0x84d/0x18a0 [ 547.801253][ T72] worker_thread+0x587/0xd30 [ 547.801253][ T72] kthread+0x28a/0x350 [ 547.801253][ T72] ret_from_fork+0x31/0x70 [ 547.801253][ T72] ret_from_fork_asm+0x1a/0x30 [ 547.801253][ T72] [ 547.803151][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 547.803151][ T72] netdev_get_by_index+0x5e/0x80 [ 547.803151][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.803151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.803151][ T72] ip6_route_add+0x1c/0x140 [ 547.803151][ T72] addrconf_prefix_route+0x2a6/0x430 [ 547.803151][ T72] inet6_addr_add+0x4f8/0xa40 [ 547.803151][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.803151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.803151][ T72] netlink_rcv_skb+0x130/0x360 [ 547.803151][ T72] netlink_unicast+0x449/0x710 [ 547.803151][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.803151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.803151][ T72] ___sys_sendmsg+0xee/0x170 [ 547.803151][ T72] __sys_sendmsg+0xcd/0x170 [ 547.803151][ T72] do_syscall_64+0xc6/0x1e0 [ 547.803151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.803151][ T72] [ 547.805133][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 547.805133][ T72] netdev_get_by_index+0x5e/0x80 [ 547.805133][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.805133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.805133][ T72] addrconf_f6i_alloc+0x315/0x560 [ 547.805133][ T72] ipv6_add_addr+0x411/0x2000 [ 547.805133][ T72] inet6_addr_add+0x30e/0xa40 [ 547.805133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.805133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.805133][ T72] netlink_rcv_skb+0x130/0x360 [ 547.805133][ T72] netlink_unicast+0x449/0x710 [ 547.805133][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.805133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.805133][ T72] ___sys_sendmsg+0xee/0x170 [ 547.805133][ T72] __sys_sendmsg+0xcd/0x170 [ 547.805133][ T72] do_syscall_64+0xc6/0x1e0 [ 547.805133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.805133][ T72] [ 547.807114][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 547.807114][ T72] netdev_get_by_index+0x5e/0x80 [ 547.807114][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.807114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.807114][ T72] ip6_route_add+0x1c/0x140 [ 547.807114][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 547.807114][ T72] addrconf_add_dev+0xe2/0x170 [ 547.807114][ T72] inet6_addr_add+0x12f/0xa40 [ 547.807114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.807114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.807114][ T72] netlink_rcv_skb+0x130/0x360 [ 547.807114][ T72] netlink_unicast+0x449/0x710 [ 547.807114][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.807114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.807114][ T72] ___sys_sendmsg+0xee/0x170 [ 547.807114][ T72] __sys_sendmsg+0xcd/0x170 [ 547.807114][ T72] do_syscall_64+0xc6/0x1e0 [ 547.807114][ T72] [ 547.809068][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 547.809068][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 547.809068][ T72] ipv6_find_idev+0x102/0x170 [ 547.809068][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 547.809068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.809068][ T72] netlink_rcv_skb+0x130/0x360 [ 547.809068][ T72] netlink_unicast+0x449/0x710 [ 547.809068][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.809068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.809068][ T72] ___sys_sendmsg+0xee/0x170 [ 547.809068][ T72] __sys_sendmsg+0xcd/0x170 [ 547.809068][ T72] do_syscall_64+0xc6/0x1e0 [ 547.809068][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.809068][ T72] [ 547.810596][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 547.810596][ T72] neigh_parms_alloc+0x1e5/0x510 [ 547.810596][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 547.810596][ T72] ipv6_find_idev+0x102/0x170 [ 547.810596][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 547.810596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.810596][ T72] netlink_rcv_skb+0x130/0x360 [ 547.810596][ T72] netlink_unicast+0x449/0x710 [ 547.810596][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.810596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.810596][ T72] ___sys_sendmsg+0xee/0x170 [ 547.810596][ T72] __sys_sendmsg+0xcd/0x170 [ 547.810596][ T72] do_syscall_64+0xc6/0x1e0 [ 547.810596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.810596][ T72] [ 547.812278][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 547.812632][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 547.812632][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 547.812632][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 547.812632][ T72] fib6_nh_init+0xa22/0x1580 [ 547.812632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.812632][ T72] ip6_route_add+0x1c/0x140 [ 547.812632][ T72] inet6_rtm_newroute+0x104/0x110 [ 547.812632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.812632][ T72] netlink_rcv_skb+0x130/0x360 [ 547.812632][ T72] netlink_unicast+0x449/0x710 [ 547.812632][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.812632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.812632][ T72] ___sys_sendmsg+0xee/0x170 [ 547.812632][ T72] __sys_sendmsg+0xcd/0x170 [ 547.812632][ T72] do_syscall_64+0xc6/0x1e0 [ 547.812632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.812632][ T72] [ 547.814685][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 547.814685][ T72] dst_init+0x84/0x4a0 [ 547.814685][ T72] dst_alloc+0x97/0x150 [ 547.814685][ T72] ip6_dst_alloc+0x23/0x90 [ 547.814685][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 547.814685][ T72] ip6_pol_route+0x56f/0x840 [ 547.814685][ T72] fib6_rule_lookup+0x456/0x630 [ 547.814685][ T72] ip6_route_input+0x59c/0xa50 [ 547.814685][ T72] ipv6_rcv+0x397/0x810 [ 547.814685][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 547.814685][ T72] process_backlog+0x101/0x620 [ 547.814685][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 547.814685][ T72] net_rx_action+0x495/0xbe0 [ 547.814685][ T72] __do_softirq+0x1b5/0x7f6 [ 547.814685][ T72] [ 547.816563][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 547.816563][ T72] netdev_get_by_index+0x5e/0x80 [ 547.816563][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.816563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.816563][ T72] ip6_route_add+0x1c/0x140 [ 547.816563][ T72] addrconf_prefix_route+0x2a6/0x430 [ 547.816563][ T72] inet6_addr_add+0x4f8/0xa40 [ 547.816563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.816563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.816563][ T72] netlink_rcv_skb+0x130/0x360 [ 547.816563][ T72] netlink_unicast+0x449/0x710 [ 547.816563][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.816563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.816563][ T72] ___sys_sendmsg+0xee/0x170 [ 547.816563][ T72] __sys_sendmsg+0xcd/0x170 [ 547.816563][ T72] do_syscall_64+0xc6/0x1e0 [ 547.816563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.816563][ T72] [ 547.818727][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 547.818727][ T72] netdev_get_by_index+0x5e/0x80 [ 547.818727][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.818727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.818727][ T72] addrconf_f6i_alloc+0x315/0x560 [ 547.818727][ T72] ipv6_add_addr+0x411/0x2000 [ 547.818727][ T72] inet6_addr_add+0x30e/0xa40 [ 547.818727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.818727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.818727][ T72] netlink_rcv_skb+0x130/0x360 [ 547.818727][ T72] netlink_unicast+0x449/0x710 [ 547.818727][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.818727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.818727][ T72] ___sys_sendmsg+0xee/0x170 [ 547.818727][ T72] __sys_sendmsg+0xcd/0x170 [ 547.818727][ T72] do_syscall_64+0xc6/0x1e0 [ 547.818727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.818727][ T72] [ 547.820960][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 547.820960][ T72] netdev_get_by_index+0x5e/0x80 [ 547.820960][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.820960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.820960][ T72] ip6_route_add+0x1c/0x140 [ 547.820960][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 547.820960][ T72] addrconf_add_dev+0xe2/0x170 [ 547.820960][ T72] inet6_addr_add+0x12f/0xa40 [ 547.820960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.820960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.820960][ T72] netlink_rcv_skb+0x130/0x360 [ 547.820960][ T72] netlink_unicast+0x449/0x710 [ 547.820960][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.820960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.820960][ T72] ___sys_sendmsg+0xee/0x170 [ 547.820960][ T72] __sys_sendmsg+0xcd/0x170 [ 547.820960][ T72] do_syscall_64+0xc6/0x1e0 [ 547.820960][ T72] [ 547.823268][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 547.823268][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 547.823268][ T72] ipv6_find_idev+0x102/0x170 [ 547.823268][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 547.823268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.823268][ T72] netlink_rcv_skb+0x130/0x360 [ 547.823268][ T72] netlink_unicast+0x449/0x710 [ 547.823268][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.823268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.823268][ T72] ___sys_sendmsg+0xee/0x170 [ 547.823268][ T72] __sys_sendmsg+0xcd/0x170 [ 547.823268][ T72] do_syscall_64+0xc6/0x1e0 [ 547.823268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.823268][ T72] [ 547.825044][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 547.825044][ T72] neigh_parms_alloc+0x1e5/0x510 [ 547.825044][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 547.825044][ T72] ipv6_find_idev+0x102/0x170 [ 547.825044][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 547.825044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.825044][ T72] netlink_rcv_skb+0x130/0x360 [ 547.825044][ T72] netlink_unicast+0x449/0x710 [ 547.825044][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.825044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.825044][ T72] ___sys_sendmsg+0xee/0x170 [ 547.825044][ T72] __sys_sendmsg+0xcd/0x170 [ 547.825044][ T72] do_syscall_64+0xc6/0x1e0 [ 547.825044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.825044][ T72] [ 547.826935][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 547.827281][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 547.827281][ T72] netdev_get_by_index+0x5e/0x80 [ 547.827281][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.827281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.827281][ T72] addrconf_f6i_alloc+0x265/0x560 [ 547.827281][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 547.827281][ T72] addrconf_join_anycast+0x1c0/0x220 [ 547.827281][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 547.827281][ T72] addrconf_dad_completed+0x12b/0xe20 [ 547.827281][ T72] addrconf_dad_begin+0x310/0x670 [ 547.827281][ T72] addrconf_dad_work+0x10b/0xab0 [ 547.827281][ T72] process_one_work+0x84d/0x18a0 [ 547.827281][ T72] worker_thread+0x587/0xd30 [ 547.827281][ T72] kthread+0x28a/0x350 [ 547.827281][ T72] ret_from_fork+0x31/0x70 [ 547.827281][ T72] ret_from_fork_asm+0x1a/0x30 [ 547.827281][ T72] [ 547.829365][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 547.829365][ T72] netdev_get_by_index+0x5e/0x80 [ 547.829365][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.829365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.829365][ T72] ip6_route_add+0x1c/0x140 [ 547.829365][ T72] addrconf_prefix_route+0x2a6/0x430 [ 547.829365][ T72] inet6_addr_add+0x4f8/0xa40 [ 547.829365][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.829365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.829365][ T72] netlink_rcv_skb+0x130/0x360 [ 547.829365][ T72] netlink_unicast+0x449/0x710 [ 547.829365][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.829365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.829365][ T72] ___sys_sendmsg+0xee/0x170 [ 547.829365][ T72] __sys_sendmsg+0xcd/0x170 [ 547.829365][ T72] do_syscall_64+0xc6/0x1e0 [ 547.829365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.829365][ T72] [ 547.831591][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 547.831591][ T72] netdev_get_by_index+0x5e/0x80 [ 547.831591][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.831591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.831591][ T72] addrconf_f6i_alloc+0x315/0x560 [ 547.831591][ T72] ipv6_add_addr+0x411/0x2000 [ 547.831591][ T72] inet6_addr_add+0x30e/0xa40 [ 547.831591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.831591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.831591][ T72] netlink_rcv_skb+0x130/0x360 [ 547.831591][ T72] netlink_unicast+0x449/0x710 [ 547.831591][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.831591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.831591][ T72] ___sys_sendmsg+0xee/0x170 [ 547.831591][ T72] __sys_sendmsg+0xcd/0x170 [ 547.831591][ T72] do_syscall_64+0xc6/0x1e0 [ 547.831591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.831591][ T72] [ 547.833879][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 547.833879][ T72] netdev_get_by_index+0x5e/0x80 [ 547.833879][ T72] fib6_nh_init+0x3d8/0x1580 [ 547.833879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 547.833879][ T72] ip6_route_add+0x1c/0x140 [ 547.833879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 547.833879][ T72] addrconf_add_dev+0xe2/0x170 [ 547.833879][ T72] inet6_addr_add+0x12f/0xa40 [ 547.833879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 547.833879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.833879][ T72] netlink_rcv_skb+0x130/0x360 [ 547.833879][ T72] netlink_unicast+0x449/0x710 [ 547.833879][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.833879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.833879][ T72] ___sys_sendmsg+0xee/0x170 [ 547.833879][ T72] __sys_sendmsg+0xcd/0x170 [ 547.833879][ T72] do_syscall_64+0xc6/0x1e0 [ 547.833879][ T72] [ 547.836075][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 547.836075][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 547.836075][ T72] ipv6_find_idev+0x102/0x170 [ 547.836075][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 547.836075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.836075][ T72] netlink_rcv_skb+0x130/0x360 [ 547.836075][ T72] netlink_unicast+0x449/0x710 [ 547.836075][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.836075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.836075][ T72] ___sys_sendmsg+0xee/0x170 [ 547.836075][ T72] __sys_sendmsg+0xcd/0x170 [ 547.836075][ T72] do_syscall_64+0xc6/0x1e0 [ 547.836075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.836075][ T72] [ 547.837787][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 547.837787][ T72] neigh_parms_alloc+0x1e5/0x510 [ 547.837787][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 547.837787][ T72] ipv6_find_idev+0x102/0x170 [ 547.837787][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 547.837787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 547.837787][ T72] netlink_rcv_skb+0x130/0x360 [ 547.837787][ T72] netlink_unicast+0x449/0x710 [ 547.837787][ T72] netlink_sendmsg+0x723/0xbe0 [ 547.837787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 547.837787][ T72] ___sys_sendmsg+0xee/0x170 [ 547.837787][ T72] __sys_sendmsg+0xcd/0x170 [ 547.837787][ T72] do_syscall_64+0xc6/0x1e0 [ 547.837787][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 547.837787][ T72] [ 558.080945][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 558.081460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 558.081460][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 558.081460][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 558.081460][ T72] fib6_nh_init+0xa22/0x1580 [ 558.081460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.081460][ T72] ip6_route_add+0x1c/0x140 [ 558.081460][ T72] inet6_rtm_newroute+0x104/0x110 [ 558.081460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.081460][ T72] netlink_rcv_skb+0x130/0x360 [ 558.081460][ T72] netlink_unicast+0x449/0x710 [ 558.081460][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.081460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.081460][ T72] ___sys_sendmsg+0xee/0x170 [ 558.081460][ T72] __sys_sendmsg+0xcd/0x170 [ 558.081460][ T72] do_syscall_64+0xc6/0x1e0 [ 558.081460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.081460][ T72] [ 558.083367][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 558.083367][ T72] dst_init+0x84/0x4a0 [ 558.083367][ T72] dst_alloc+0x97/0x150 [ 558.083367][ T72] ip6_dst_alloc+0x23/0x90 [ 558.083367][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 558.083367][ T72] ip6_pol_route+0x56f/0x840 [ 558.083367][ T72] fib6_rule_lookup+0x456/0x630 [ 558.083367][ T72] ip6_route_input+0x59c/0xa50 [ 558.083367][ T72] ipv6_rcv+0x397/0x810 [ 558.083367][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 558.083367][ T72] process_backlog+0x101/0x620 [ 558.083367][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 558.083367][ T72] net_rx_action+0x495/0xbe0 [ 558.083367][ T72] __do_softirq+0x1b5/0x7f6 [ 558.083367][ T72] [ 558.085027][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 558.085027][ T72] netdev_get_by_index+0x5e/0x80 [ 558.085027][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.085027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.085027][ T72] ip6_route_add+0x1c/0x140 [ 558.085027][ T72] addrconf_prefix_route+0x2a6/0x430 [ 558.085027][ T72] inet6_addr_add+0x4f8/0xa40 [ 558.085027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.085027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.085027][ T72] netlink_rcv_skb+0x130/0x360 [ 558.085027][ T72] netlink_unicast+0x449/0x710 [ 558.085027][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.085027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.085027][ T72] ___sys_sendmsg+0xee/0x170 [ 558.085027][ T72] __sys_sendmsg+0xcd/0x170 [ 558.085027][ T72] do_syscall_64+0xc6/0x1e0 [ 558.085027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.085027][ T72] [ 558.087074][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 558.087074][ T72] netdev_get_by_index+0x5e/0x80 [ 558.087074][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.087074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.087074][ T72] addrconf_f6i_alloc+0x315/0x560 [ 558.087074][ T72] ipv6_add_addr+0x411/0x2000 [ 558.087074][ T72] inet6_addr_add+0x30e/0xa40 [ 558.087074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.087074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.087074][ T72] netlink_rcv_skb+0x130/0x360 [ 558.087074][ T72] netlink_unicast+0x449/0x710 [ 558.087074][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.087074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.087074][ T72] ___sys_sendmsg+0xee/0x170 [ 558.087074][ T72] __sys_sendmsg+0xcd/0x170 [ 558.087074][ T72] do_syscall_64+0xc6/0x1e0 [ 558.087074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.087074][ T72] [ 558.089075][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 558.089075][ T72] netdev_get_by_index+0x5e/0x80 [ 558.089075][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.089075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.089075][ T72] ip6_route_add+0x1c/0x140 [ 558.089075][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 558.089075][ T72] addrconf_add_dev+0xe2/0x170 [ 558.089075][ T72] inet6_addr_add+0x12f/0xa40 [ 558.089075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.089075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.089075][ T72] netlink_rcv_skb+0x130/0x360 [ 558.089075][ T72] netlink_unicast+0x449/0x710 [ 558.089075][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.089075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.089075][ T72] ___sys_sendmsg+0xee/0x170 [ 558.089075][ T72] __sys_sendmsg+0xcd/0x170 [ 558.089075][ T72] do_syscall_64+0xc6/0x1e0 [ 558.089075][ T72] [ 558.091020][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 558.091020][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 558.091020][ T72] ipv6_find_idev+0x102/0x170 [ 558.091020][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 558.091020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.091020][ T72] netlink_rcv_skb+0x130/0x360 [ 558.091020][ T72] netlink_unicast+0x449/0x710 [ 558.091020][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.091020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.091020][ T72] ___sys_sendmsg+0xee/0x170 [ 558.091020][ T72] __sys_sendmsg+0xcd/0x170 [ 558.091020][ T72] do_syscall_64+0xc6/0x1e0 [ 558.091020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.091020][ T72] [ 558.092564][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 558.092564][ T72] neigh_parms_alloc+0x1e5/0x510 [ 558.092564][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 558.092564][ T72] ipv6_find_idev+0x102/0x170 [ 558.092564][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 558.092564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.092564][ T72] netlink_rcv_skb+0x130/0x360 [ 558.092564][ T72] netlink_unicast+0x449/0x710 [ 558.092564][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.092564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.092564][ T72] ___sys_sendmsg+0xee/0x170 [ 558.092564][ T72] __sys_sendmsg+0xcd/0x170 [ 558.092564][ T72] do_syscall_64+0xc6/0x1e0 [ 558.092564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.092564][ T72] [ 558.094313][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 558.094588][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 558.094588][ T72] dst_init+0x84/0x4a0 [ 558.094588][ T72] dst_alloc+0x97/0x150 [ 558.094588][ T72] ip6_dst_alloc+0x23/0x90 [ 558.094588][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 558.094588][ T72] ip6_pol_route+0x56f/0x840 [ 558.094588][ T72] fib6_rule_lookup+0x456/0x630 [ 558.094588][ T72] ip6_route_input+0x59c/0xa50 [ 558.094588][ T72] ipv6_rcv+0x397/0x810 [ 558.094588][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 558.094588][ T72] process_backlog+0x101/0x620 [ 558.094588][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 558.094588][ T72] net_rx_action+0x495/0xbe0 [ 558.094588][ T72] __do_softirq+0x1b5/0x7f6 [ 558.094588][ T72] [ 558.096778][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 558.096778][ T72] netdev_get_by_index+0x5e/0x80 [ 558.096778][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.096778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.096778][ T72] addrconf_f6i_alloc+0x265/0x560 [ 558.096778][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 558.096778][ T72] addrconf_join_anycast+0x1c0/0x220 [ 558.096778][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 558.096778][ T72] addrconf_dad_completed+0x12b/0xe20 [ 558.096778][ T72] addrconf_dad_begin+0x310/0x670 [ 558.096778][ T72] addrconf_dad_work+0x10b/0xab0 [ 558.096778][ T72] process_one_work+0x84d/0x18a0 [ 558.096778][ T72] worker_thread+0x587/0xd30 [ 558.096778][ T72] kthread+0x28a/0x350 [ 558.096778][ T72] ret_from_fork+0x31/0x70 [ 558.096778][ T72] ret_from_fork_asm+0x1a/0x30 [ 558.096778][ T72] [ 558.098692][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 558.098692][ T72] netdev_get_by_index+0x5e/0x80 [ 558.098692][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.098692][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.098692][ T72] ip6_route_add+0x1c/0x140 [ 558.098692][ T72] addrconf_prefix_route+0x2a6/0x430 [ 558.098692][ T72] inet6_addr_add+0x4f8/0xa40 [ 558.098692][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.098692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.098692][ T72] netlink_rcv_skb+0x130/0x360 [ 558.098692][ T72] netlink_unicast+0x449/0x710 [ 558.098692][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.098692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.098692][ T72] ___sys_sendmsg+0xee/0x170 [ 558.098692][ T72] __sys_sendmsg+0xcd/0x170 [ 558.098692][ T72] do_syscall_64+0xc6/0x1e0 [ 558.098692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.098692][ T72] [ 558.100681][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 558.100681][ T72] netdev_get_by_index+0x5e/0x80 [ 558.100681][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.100681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.100681][ T72] addrconf_f6i_alloc+0x315/0x560 [ 558.100681][ T72] ipv6_add_addr+0x411/0x2000 [ 558.100681][ T72] inet6_addr_add+0x30e/0xa40 [ 558.100681][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.100681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.100681][ T72] netlink_rcv_skb+0x130/0x360 [ 558.100681][ T72] netlink_unicast+0x449/0x710 [ 558.100681][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.100681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.100681][ T72] ___sys_sendmsg+0xee/0x170 [ 558.100681][ T72] __sys_sendmsg+0xcd/0x170 [ 558.100681][ T72] do_syscall_64+0xc6/0x1e0 [ 558.100681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.100681][ T72] [ 558.102659][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 558.102659][ T72] netdev_get_by_index+0x5e/0x80 [ 558.102659][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.102659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.102659][ T72] ip6_route_add+0x1c/0x140 [ 558.102659][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 558.102659][ T72] addrconf_add_dev+0xe2/0x170 [ 558.102659][ T72] inet6_addr_add+0x12f/0xa40 [ 558.102659][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.102659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.102659][ T72] netlink_rcv_skb+0x130/0x360 [ 558.102659][ T72] netlink_unicast+0x449/0x710 [ 558.102659][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.102659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.102659][ T72] ___sys_sendmsg+0xee/0x170 [ 558.102659][ T72] __sys_sendmsg+0xcd/0x170 [ 558.102659][ T72] do_syscall_64+0xc6/0x1e0 [ 558.102659][ T72] [ 558.104621][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 558.104621][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 558.104621][ T72] ipv6_find_idev+0x102/0x170 [ 558.104621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 558.104621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.104621][ T72] netlink_rcv_skb+0x130/0x360 [ 558.104621][ T72] netlink_unicast+0x449/0x710 [ 558.104621][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.104621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.104621][ T72] ___sys_sendmsg+0xee/0x170 [ 558.104621][ T72] __sys_sendmsg+0xcd/0x170 [ 558.104621][ T72] do_syscall_64+0xc6/0x1e0 [ 558.104621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.104621][ T72] [ 558.106168][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 558.106168][ T72] neigh_parms_alloc+0x1e5/0x510 [ 558.106168][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 558.106168][ T72] ipv6_find_idev+0x102/0x170 [ 558.106168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 558.106168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.106168][ T72] netlink_rcv_skb+0x130/0x360 [ 558.106168][ T72] netlink_unicast+0x449/0x710 [ 558.106168][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.106168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.106168][ T72] ___sys_sendmsg+0xee/0x170 [ 558.106168][ T72] __sys_sendmsg+0xcd/0x170 [ 558.106168][ T72] do_syscall_64+0xc6/0x1e0 [ 558.106168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.106168][ T72] [ 558.107939][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 558.108215][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 558.108215][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 558.108215][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 558.108215][ T72] fib6_nh_init+0xa22/0x1580 [ 558.108215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.108215][ T72] ip6_route_add+0x1c/0x140 [ 558.108215][ T72] inet6_rtm_newroute+0x104/0x110 [ 558.108215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.108215][ T72] netlink_rcv_skb+0x130/0x360 [ 558.108215][ T72] netlink_unicast+0x449/0x710 [ 558.108215][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.108215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.108215][ T72] ___sys_sendmsg+0xee/0x170 [ 558.108215][ T72] __sys_sendmsg+0xcd/0x170 [ 558.108215][ T72] do_syscall_64+0xc6/0x1e0 [ 558.108215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.108215][ T72] [ 558.110209][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 558.110209][ T72] dst_init+0x84/0x4a0 [ 558.110209][ T72] dst_alloc+0x97/0x150 [ 558.110209][ T72] ip6_dst_alloc+0x23/0x90 [ 558.110209][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 558.110209][ T72] ip6_pol_route+0x56f/0x840 [ 558.110209][ T72] fib6_rule_lookup+0x456/0x630 [ 558.110209][ T72] ip6_route_input+0x59c/0xa50 [ 558.110209][ T72] ipv6_rcv+0x397/0x810 [ 558.110209][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 558.110209][ T72] process_backlog+0x101/0x620 [ 558.110209][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 558.110209][ T72] net_rx_action+0x495/0xbe0 [ 558.110209][ T72] __do_softirq+0x1b5/0x7f6 [ 558.110209][ T72] [ 558.111964][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 558.111964][ T72] netdev_get_by_index+0x5e/0x80 [ 558.111964][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.111964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.111964][ T72] ip6_route_add+0x1c/0x140 [ 558.111964][ T72] addrconf_prefix_route+0x2a6/0x430 [ 558.111964][ T72] inet6_addr_add+0x4f8/0xa40 [ 558.111964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.111964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.111964][ T72] netlink_rcv_skb+0x130/0x360 [ 558.111964][ T72] netlink_unicast+0x449/0x710 [ 558.111964][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.111964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.111964][ T72] ___sys_sendmsg+0xee/0x170 [ 558.111964][ T72] __sys_sendmsg+0xcd/0x170 [ 558.111964][ T72] do_syscall_64+0xc6/0x1e0 [ 558.111964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.111964][ T72] [ 558.114094][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 558.114094][ T72] netdev_get_by_index+0x5e/0x80 [ 558.114094][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.114094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.114094][ T72] addrconf_f6i_alloc+0x315/0x560 [ 558.114094][ T72] ipv6_add_addr+0x411/0x2000 [ 558.114094][ T72] inet6_addr_add+0x30e/0xa40 [ 558.114094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.114094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.114094][ T72] netlink_rcv_skb+0x130/0x360 [ 558.114094][ T72] netlink_unicast+0x449/0x710 [ 558.114094][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.114094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.114094][ T72] ___sys_sendmsg+0xee/0x170 [ 558.114094][ T72] __sys_sendmsg+0xcd/0x170 [ 558.114094][ T72] do_syscall_64+0xc6/0x1e0 [ 558.114094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.114094][ T72] [ 558.116243][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 558.116243][ T72] netdev_get_by_index+0x5e/0x80 [ 558.116243][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.116243][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.116243][ T72] ip6_route_add+0x1c/0x140 [ 558.116243][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 558.116243][ T72] addrconf_add_dev+0xe2/0x170 [ 558.116243][ T72] inet6_addr_add+0x12f/0xa40 [ 558.116243][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.116243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.116243][ T72] netlink_rcv_skb+0x130/0x360 [ 558.116243][ T72] netlink_unicast+0x449/0x710 [ 558.116243][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.116243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.116243][ T72] ___sys_sendmsg+0xee/0x170 [ 558.116243][ T72] __sys_sendmsg+0xcd/0x170 [ 558.116243][ T72] do_syscall_64+0xc6/0x1e0 [ 558.116243][ T72] [ 558.118793][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 558.118793][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 558.118793][ T72] ipv6_find_idev+0x102/0x170 [ 558.118793][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 558.118793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.118793][ T72] netlink_rcv_skb+0x130/0x360 [ 558.118793][ T72] netlink_unicast+0x449/0x710 [ 558.118793][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.118793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.118793][ T72] ___sys_sendmsg+0xee/0x170 [ 558.118793][ T72] __sys_sendmsg+0xcd/0x170 [ 558.118793][ T72] do_syscall_64+0xc6/0x1e0 [ 558.118793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.118793][ T72] [ 558.120402][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 558.120402][ T72] neigh_parms_alloc+0x1e5/0x510 [ 558.120402][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 558.120402][ T72] ipv6_find_idev+0x102/0x170 [ 558.120402][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 558.120402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.120402][ T72] netlink_rcv_skb+0x130/0x360 [ 558.120402][ T72] netlink_unicast+0x449/0x710 [ 558.120402][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.120402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.120402][ T72] ___sys_sendmsg+0xee/0x170 [ 558.120402][ T72] __sys_sendmsg+0xcd/0x170 [ 558.120402][ T72] do_syscall_64+0xc6/0x1e0 [ 558.120402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.120402][ T72] [ 558.122242][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 558.122533][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 558.122533][ T72] netdev_get_by_index+0x5e/0x80 [ 558.122533][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.122533][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.122533][ T72] addrconf_f6i_alloc+0x265/0x560 [ 558.122533][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 558.122533][ T72] addrconf_join_anycast+0x1c0/0x220 [ 558.122533][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 558.122533][ T72] addrconf_dad_completed+0x12b/0xe20 [ 558.122533][ T72] addrconf_dad_begin+0x310/0x670 [ 558.122533][ T72] addrconf_dad_work+0x10b/0xab0 [ 558.122533][ T72] process_one_work+0x84d/0x18a0 [ 558.122533][ T72] worker_thread+0x587/0xd30 [ 558.122533][ T72] kthread+0x28a/0x350 [ 558.122533][ T72] ret_from_fork+0x31/0x70 [ 558.122533][ T72] ret_from_fork_asm+0x1a/0x30 [ 558.122533][ T72] [ 558.124595][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 558.124595][ T72] netdev_get_by_index+0x5e/0x80 [ 558.124595][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.124595][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.124595][ T72] ip6_route_add+0x1c/0x140 [ 558.124595][ T72] addrconf_prefix_route+0x2a6/0x430 [ 558.124595][ T72] inet6_addr_add+0x4f8/0xa40 [ 558.124595][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.124595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.124595][ T72] netlink_rcv_skb+0x130/0x360 [ 558.124595][ T72] netlink_unicast+0x449/0x710 [ 558.124595][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.124595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.124595][ T72] ___sys_sendmsg+0xee/0x170 [ 558.124595][ T72] __sys_sendmsg+0xcd/0x170 [ 558.124595][ T72] do_syscall_64+0xc6/0x1e0 [ 558.124595][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.124595][ T72] [ 558.126743][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 558.126743][ T72] netdev_get_by_index+0x5e/0x80 [ 558.126743][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.126743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.126743][ T72] addrconf_f6i_alloc+0x315/0x560 [ 558.126743][ T72] ipv6_add_addr+0x411/0x2000 [ 558.126743][ T72] inet6_addr_add+0x30e/0xa40 [ 558.126743][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.126743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.126743][ T72] netlink_rcv_skb+0x130/0x360 [ 558.126743][ T72] netlink_unicast+0x449/0x710 [ 558.126743][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.126743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.126743][ T72] ___sys_sendmsg+0xee/0x170 [ 558.126743][ T72] __sys_sendmsg+0xcd/0x170 [ 558.126743][ T72] do_syscall_64+0xc6/0x1e0 [ 558.126743][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.126743][ T72] [ 558.128882][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 558.128882][ T72] netdev_get_by_index+0x5e/0x80 [ 558.128882][ T72] fib6_nh_init+0x3d8/0x1580 [ 558.128882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 558.128882][ T72] ip6_route_add+0x1c/0x140 [ 558.128882][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 558.128882][ T72] addrconf_add_dev+0xe2/0x170 [ 558.128882][ T72] inet6_addr_add+0x12f/0xa40 [ 558.128882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 558.128882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.128882][ T72] netlink_rcv_skb+0x130/0x360 [ 558.128882][ T72] netlink_unicast+0x449/0x710 [ 558.128882][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.128882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.128882][ T72] ___sys_sendmsg+0xee/0x170 [ 558.128882][ T72] __sys_sendmsg+0xcd/0x170 [ 558.128882][ T72] do_syscall_64+0xc6/0x1e0 [ 558.128882][ T72] [ 558.130975][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 558.130975][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 558.130975][ T72] ipv6_find_idev+0x102/0x170 [ 558.130975][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 558.130975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.130975][ T72] netlink_rcv_skb+0x130/0x360 [ 558.130975][ T72] netlink_unicast+0x449/0x710 [ 558.130975][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.130975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.130975][ T72] ___sys_sendmsg+0xee/0x170 [ 558.130975][ T72] __sys_sendmsg+0xcd/0x170 [ 558.130975][ T72] do_syscall_64+0xc6/0x1e0 [ 558.130975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.130975][ T72] [ 558.132593][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 558.132593][ T72] neigh_parms_alloc+0x1e5/0x510 [ 558.132593][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 558.132593][ T72] ipv6_find_idev+0x102/0x170 [ 558.132593][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 558.132593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 558.132593][ T72] netlink_rcv_skb+0x130/0x360 [ 558.132593][ T72] netlink_unicast+0x449/0x710 [ 558.132593][ T72] netlink_sendmsg+0x723/0xbe0 [ 558.132593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 558.132593][ T72] ___sys_sendmsg+0xee/0x170 [ 558.132593][ T72] __sys_sendmsg+0xcd/0x170 [ 558.132593][ T72] do_syscall_64+0xc6/0x1e0 [ 558.132593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 558.132593][ T72] [ 568.200990][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 568.201491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 568.201491][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 568.201491][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 568.201491][ T72] fib6_nh_init+0xa22/0x1580 [ 568.201491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.201491][ T72] ip6_route_add+0x1c/0x140 [ 568.201491][ T72] inet6_rtm_newroute+0x104/0x110 [ 568.201491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.201491][ T72] netlink_rcv_skb+0x130/0x360 [ 568.201491][ T72] netlink_unicast+0x449/0x710 [ 568.201491][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.201491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.201491][ T72] ___sys_sendmsg+0xee/0x170 [ 568.201491][ T72] __sys_sendmsg+0xcd/0x170 [ 568.201491][ T72] do_syscall_64+0xc6/0x1e0 [ 568.201491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.201491][ T72] [ 568.203777][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 568.203777][ T72] dst_init+0x84/0x4a0 [ 568.203777][ T72] dst_alloc+0x97/0x150 [ 568.203777][ T72] ip6_dst_alloc+0x23/0x90 [ 568.203777][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 568.203777][ T72] ip6_pol_route+0x56f/0x840 [ 568.203777][ T72] fib6_rule_lookup+0x456/0x630 [ 568.203777][ T72] ip6_route_input+0x59c/0xa50 [ 568.203777][ T72] ipv6_rcv+0x397/0x810 [ 568.203777][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 568.203777][ T72] process_backlog+0x101/0x620 [ 568.203777][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 568.203777][ T72] net_rx_action+0x495/0xbe0 [ 568.203777][ T72] __do_softirq+0x1b5/0x7f6 [ 568.203777][ T72] [ 568.205511][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 568.205511][ T72] netdev_get_by_index+0x5e/0x80 [ 568.205511][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.205511][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.205511][ T72] ip6_route_add+0x1c/0x140 [ 568.205511][ T72] addrconf_prefix_route+0x2a6/0x430 [ 568.205511][ T72] inet6_addr_add+0x4f8/0xa40 [ 568.205511][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.205511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.205511][ T72] netlink_rcv_skb+0x130/0x360 [ 568.205511][ T72] netlink_unicast+0x449/0x710 [ 568.205511][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.205511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.205511][ T72] ___sys_sendmsg+0xee/0x170 [ 568.205511][ T72] __sys_sendmsg+0xcd/0x170 [ 568.205511][ T72] do_syscall_64+0xc6/0x1e0 [ 568.205511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.205511][ T72] [ 568.207499][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 568.207499][ T72] netdev_get_by_index+0x5e/0x80 [ 568.207499][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.207499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.207499][ T72] addrconf_f6i_alloc+0x315/0x560 [ 568.207499][ T72] ipv6_add_addr+0x411/0x2000 [ 568.207499][ T72] inet6_addr_add+0x30e/0xa40 [ 568.207499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.207499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.207499][ T72] netlink_rcv_skb+0x130/0x360 [ 568.207499][ T72] netlink_unicast+0x449/0x710 [ 568.207499][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.207499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.207499][ T72] ___sys_sendmsg+0xee/0x170 [ 568.207499][ T72] __sys_sendmsg+0xcd/0x170 [ 568.207499][ T72] do_syscall_64+0xc6/0x1e0 [ 568.207499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.207499][ T72] [ 568.209483][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 568.209483][ T72] netdev_get_by_index+0x5e/0x80 [ 568.209483][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.209483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.209483][ T72] ip6_route_add+0x1c/0x140 [ 568.209483][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 568.209483][ T72] addrconf_add_dev+0xe2/0x170 [ 568.209483][ T72] inet6_addr_add+0x12f/0xa40 [ 568.209483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.209483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.209483][ T72] netlink_rcv_skb+0x130/0x360 [ 568.209483][ T72] netlink_unicast+0x449/0x710 [ 568.209483][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.209483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.209483][ T72] ___sys_sendmsg+0xee/0x170 [ 568.209483][ T72] __sys_sendmsg+0xcd/0x170 [ 568.209483][ T72] do_syscall_64+0xc6/0x1e0 [ 568.209483][ T72] [ 568.211440][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 568.211440][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 568.211440][ T72] ipv6_find_idev+0x102/0x170 [ 568.211440][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 568.211440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.211440][ T72] netlink_rcv_skb+0x130/0x360 [ 568.211440][ T72] netlink_unicast+0x449/0x710 [ 568.211440][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.211440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.211440][ T72] ___sys_sendmsg+0xee/0x170 [ 568.211440][ T72] __sys_sendmsg+0xcd/0x170 [ 568.211440][ T72] do_syscall_64+0xc6/0x1e0 [ 568.211440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.211440][ T72] [ 568.212976][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 568.212976][ T72] neigh_parms_alloc+0x1e5/0x510 [ 568.212976][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 568.212976][ T72] ipv6_find_idev+0x102/0x170 [ 568.212976][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 568.212976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.212976][ T72] netlink_rcv_skb+0x130/0x360 [ 568.212976][ T72] netlink_unicast+0x449/0x710 [ 568.212976][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.212976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.212976][ T72] ___sys_sendmsg+0xee/0x170 [ 568.212976][ T72] __sys_sendmsg+0xcd/0x170 [ 568.212976][ T72] do_syscall_64+0xc6/0x1e0 [ 568.212976][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.212976][ T72] [ 568.214680][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 568.214974][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 568.214974][ T72] dst_init+0x84/0x4a0 [ 568.214974][ T72] dst_alloc+0x97/0x150 [ 568.214974][ T72] ip6_dst_alloc+0x23/0x90 [ 568.214974][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 568.214974][ T72] ip6_pol_route+0x56f/0x840 [ 568.214974][ T72] fib6_rule_lookup+0x456/0x630 [ 568.214974][ T72] ip6_route_input+0x59c/0xa50 [ 568.214974][ T72] ipv6_rcv+0x397/0x810 [ 568.214974][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 568.214974][ T72] process_backlog+0x101/0x620 [ 568.214974][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 568.214974][ T72] net_rx_action+0x495/0xbe0 [ 568.214974][ T72] __do_softirq+0x1b5/0x7f6 [ 568.214974][ T72] [ 568.216606][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 568.216606][ T72] netdev_get_by_index+0x5e/0x80 [ 568.216606][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.216606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.216606][ T72] addrconf_f6i_alloc+0x265/0x560 [ 568.216606][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 568.216606][ T72] addrconf_join_anycast+0x1c0/0x220 [ 568.216606][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 568.216606][ T72] addrconf_dad_completed+0x12b/0xe20 [ 568.216606][ T72] addrconf_dad_begin+0x310/0x670 [ 568.216606][ T72] addrconf_dad_work+0x10b/0xab0 [ 568.216606][ T72] process_one_work+0x84d/0x18a0 [ 568.216606][ T72] worker_thread+0x587/0xd30 [ 568.216606][ T72] kthread+0x28a/0x350 [ 568.216606][ T72] ret_from_fork+0x31/0x70 [ 568.216606][ T72] ret_from_fork_asm+0x1a/0x30 [ 568.216606][ T72] [ 568.218497][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 568.218497][ T72] netdev_get_by_index+0x5e/0x80 [ 568.218497][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.218497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.218497][ T72] ip6_route_add+0x1c/0x140 [ 568.218497][ T72] addrconf_prefix_route+0x2a6/0x430 [ 568.218497][ T72] inet6_addr_add+0x4f8/0xa40 [ 568.218497][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.218497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.218497][ T72] netlink_rcv_skb+0x130/0x360 [ 568.218497][ T72] netlink_unicast+0x449/0x710 [ 568.218497][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.218497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.218497][ T72] ___sys_sendmsg+0xee/0x170 [ 568.218497][ T72] __sys_sendmsg+0xcd/0x170 [ 568.218497][ T72] do_syscall_64+0xc6/0x1e0 [ 568.218497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.218497][ T72] [ 568.220471][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 568.220471][ T72] netdev_get_by_index+0x5e/0x80 [ 568.220471][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.220471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.220471][ T72] addrconf_f6i_alloc+0x315/0x560 [ 568.220471][ T72] ipv6_add_addr+0x411/0x2000 [ 568.220471][ T72] inet6_addr_add+0x30e/0xa40 [ 568.220471][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.220471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.220471][ T72] netlink_rcv_skb+0x130/0x360 [ 568.220471][ T72] netlink_unicast+0x449/0x710 [ 568.220471][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.220471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.220471][ T72] ___sys_sendmsg+0xee/0x170 [ 568.220471][ T72] __sys_sendmsg+0xcd/0x170 [ 568.220471][ T72] do_syscall_64+0xc6/0x1e0 [ 568.220471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.220471][ T72] [ 568.222452][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 568.222452][ T72] netdev_get_by_index+0x5e/0x80 [ 568.222452][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.222452][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.222452][ T72] ip6_route_add+0x1c/0x140 [ 568.222452][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 568.222452][ T72] addrconf_add_dev+0xe2/0x170 [ 568.222452][ T72] inet6_addr_add+0x12f/0xa40 [ 568.222452][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.222452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.222452][ T72] netlink_rcv_skb+0x130/0x360 [ 568.222452][ T72] netlink_unicast+0x449/0x710 [ 568.222452][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.222452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.222452][ T72] ___sys_sendmsg+0xee/0x170 [ 568.222452][ T72] __sys_sendmsg+0xcd/0x170 [ 568.222452][ T72] do_syscall_64+0xc6/0x1e0 [ 568.222452][ T72] [ 568.224405][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 568.224405][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 568.224405][ T72] ipv6_find_idev+0x102/0x170 [ 568.224405][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 568.224405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.224405][ T72] netlink_rcv_skb+0x130/0x360 [ 568.224405][ T72] netlink_unicast+0x449/0x710 [ 568.224405][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.224405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.224405][ T72] ___sys_sendmsg+0xee/0x170 [ 568.224405][ T72] __sys_sendmsg+0xcd/0x170 [ 568.224405][ T72] do_syscall_64+0xc6/0x1e0 [ 568.224405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.224405][ T72] [ 568.225937][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 568.225937][ T72] neigh_parms_alloc+0x1e5/0x510 [ 568.225937][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 568.225937][ T72] ipv6_find_idev+0x102/0x170 [ 568.225937][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 568.225937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.225937][ T72] netlink_rcv_skb+0x130/0x360 [ 568.225937][ T72] netlink_unicast+0x449/0x710 [ 568.225937][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.225937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.225937][ T72] ___sys_sendmsg+0xee/0x170 [ 568.225937][ T72] __sys_sendmsg+0xcd/0x170 [ 568.225937][ T72] do_syscall_64+0xc6/0x1e0 [ 568.225937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.225937][ T72] [ 568.227737][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 568.228018][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 568.228018][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 568.228018][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 568.228018][ T72] fib6_nh_init+0xa22/0x1580 [ 568.228018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.228018][ T72] ip6_route_add+0x1c/0x140 [ 568.228018][ T72] inet6_rtm_newroute+0x104/0x110 [ 568.228018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.228018][ T72] netlink_rcv_skb+0x130/0x360 [ 568.228018][ T72] netlink_unicast+0x449/0x710 [ 568.228018][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.228018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.228018][ T72] ___sys_sendmsg+0xee/0x170 [ 568.228018][ T72] __sys_sendmsg+0xcd/0x170 [ 568.228018][ T72] do_syscall_64+0xc6/0x1e0 [ 568.228018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.228018][ T72] [ 568.230140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 568.230140][ T72] dst_init+0x84/0x4a0 [ 568.230140][ T72] dst_alloc+0x97/0x150 [ 568.230140][ T72] ip6_dst_alloc+0x23/0x90 [ 568.230140][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 568.230140][ T72] ip6_pol_route+0x56f/0x840 [ 568.230140][ T72] fib6_rule_lookup+0x456/0x630 [ 568.230140][ T72] ip6_route_input+0x59c/0xa50 [ 568.230140][ T72] ipv6_rcv+0x397/0x810 [ 568.230140][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 568.230140][ T72] process_backlog+0x101/0x620 [ 568.230140][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 568.230140][ T72] net_rx_action+0x495/0xbe0 [ 568.230140][ T72] __do_softirq+0x1b5/0x7f6 [ 568.230140][ T72] [ 568.231946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 568.231946][ T72] netdev_get_by_index+0x5e/0x80 [ 568.231946][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.231946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.231946][ T72] ip6_route_add+0x1c/0x140 [ 568.231946][ T72] addrconf_prefix_route+0x2a6/0x430 [ 568.231946][ T72] inet6_addr_add+0x4f8/0xa40 [ 568.231946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.231946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.231946][ T72] netlink_rcv_skb+0x130/0x360 [ 568.231946][ T72] netlink_unicast+0x449/0x710 [ 568.231946][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.231946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.231946][ T72] ___sys_sendmsg+0xee/0x170 [ 568.231946][ T72] __sys_sendmsg+0xcd/0x170 [ 568.231946][ T72] do_syscall_64+0xc6/0x1e0 [ 568.231946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.231946][ T72] [ 568.234234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 568.234234][ T72] netdev_get_by_index+0x5e/0x80 [ 568.234234][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.234234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.234234][ T72] addrconf_f6i_alloc+0x315/0x560 [ 568.234234][ T72] ipv6_add_addr+0x411/0x2000 [ 568.234234][ T72] inet6_addr_add+0x30e/0xa40 [ 568.234234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.234234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.234234][ T72] netlink_rcv_skb+0x130/0x360 [ 568.234234][ T72] netlink_unicast+0x449/0x710 [ 568.234234][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.234234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.234234][ T72] ___sys_sendmsg+0xee/0x170 [ 568.234234][ T72] __sys_sendmsg+0xcd/0x170 [ 568.234234][ T72] do_syscall_64+0xc6/0x1e0 [ 568.234234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.234234][ T72] [ 568.236396][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 568.236396][ T72] netdev_get_by_index+0x5e/0x80 [ 568.236396][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.236396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.236396][ T72] ip6_route_add+0x1c/0x140 [ 568.236396][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 568.236396][ T72] addrconf_add_dev+0xe2/0x170 [ 568.236396][ T72] inet6_addr_add+0x12f/0xa40 [ 568.236396][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.236396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.236396][ T72] netlink_rcv_skb+0x130/0x360 [ 568.236396][ T72] netlink_unicast+0x449/0x710 [ 568.236396][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.236396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.236396][ T72] ___sys_sendmsg+0xee/0x170 [ 568.236396][ T72] __sys_sendmsg+0xcd/0x170 [ 568.236396][ T72] do_syscall_64+0xc6/0x1e0 [ 568.236396][ T72] [ 568.238576][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 568.238576][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 568.238576][ T72] ipv6_find_idev+0x102/0x170 [ 568.238576][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 568.238576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.238576][ T72] netlink_rcv_skb+0x130/0x360 [ 568.238576][ T72] netlink_unicast+0x449/0x710 [ 568.238576][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.238576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.238576][ T72] ___sys_sendmsg+0xee/0x170 [ 568.238576][ T72] __sys_sendmsg+0xcd/0x170 [ 568.238576][ T72] do_syscall_64+0xc6/0x1e0 [ 568.238576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.238576][ T72] [ 568.240273][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 568.240273][ T72] neigh_parms_alloc+0x1e5/0x510 [ 568.240273][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 568.240273][ T72] ipv6_find_idev+0x102/0x170 [ 568.240273][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 568.240273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.240273][ T72] netlink_rcv_skb+0x130/0x360 [ 568.240273][ T72] netlink_unicast+0x449/0x710 [ 568.240273][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.240273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.240273][ T72] ___sys_sendmsg+0xee/0x170 [ 568.240273][ T72] __sys_sendmsg+0xcd/0x170 [ 568.240273][ T72] do_syscall_64+0xc6/0x1e0 [ 568.240273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.240273][ T72] [ 568.242159][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 568.242557][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 568.242557][ T72] netdev_get_by_index+0x5e/0x80 [ 568.242557][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.242557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.242557][ T72] addrconf_f6i_alloc+0x265/0x560 [ 568.242557][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 568.242557][ T72] addrconf_join_anycast+0x1c0/0x220 [ 568.242557][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 568.242557][ T72] addrconf_dad_completed+0x12b/0xe20 [ 568.242557][ T72] addrconf_dad_begin+0x310/0x670 [ 568.242557][ T72] addrconf_dad_work+0x10b/0xab0 [ 568.242557][ T72] process_one_work+0x84d/0x18a0 [ 568.242557][ T72] worker_thread+0x587/0xd30 [ 568.242557][ T72] kthread+0x28a/0x350 [ 568.242557][ T72] ret_from_fork+0x31/0x70 [ 568.242557][ T72] ret_from_fork_asm+0x1a/0x30 [ 568.242557][ T72] [ 568.244621][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 568.244621][ T72] netdev_get_by_index+0x5e/0x80 [ 568.244621][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.244621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.244621][ T72] ip6_route_add+0x1c/0x140 [ 568.244621][ T72] addrconf_prefix_route+0x2a6/0x430 [ 568.244621][ T72] inet6_addr_add+0x4f8/0xa40 [ 568.244621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.244621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.244621][ T72] netlink_rcv_skb+0x130/0x360 [ 568.244621][ T72] netlink_unicast+0x449/0x710 [ 568.244621][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.244621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.244621][ T72] ___sys_sendmsg+0xee/0x170 [ 568.244621][ T72] __sys_sendmsg+0xcd/0x170 [ 568.244621][ T72] do_syscall_64+0xc6/0x1e0 [ 568.244621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.244621][ T72] [ 568.246850][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 568.246850][ T72] netdev_get_by_index+0x5e/0x80 [ 568.246850][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.246850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.246850][ T72] addrconf_f6i_alloc+0x315/0x560 [ 568.246850][ T72] ipv6_add_addr+0x411/0x2000 [ 568.246850][ T72] inet6_addr_add+0x30e/0xa40 [ 568.246850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.246850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.246850][ T72] netlink_rcv_skb+0x130/0x360 [ 568.246850][ T72] netlink_unicast+0x449/0x710 [ 568.246850][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.246850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.246850][ T72] ___sys_sendmsg+0xee/0x170 [ 568.246850][ T72] __sys_sendmsg+0xcd/0x170 [ 568.246850][ T72] do_syscall_64+0xc6/0x1e0 [ 568.246850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.246850][ T72] [ 568.249080][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 568.249080][ T72] netdev_get_by_index+0x5e/0x80 [ 568.249080][ T72] fib6_nh_init+0x3d8/0x1580 [ 568.249080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 568.249080][ T72] ip6_route_add+0x1c/0x140 [ 568.249080][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 568.249080][ T72] addrconf_add_dev+0xe2/0x170 [ 568.249080][ T72] inet6_addr_add+0x12f/0xa40 [ 568.249080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 568.249080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.249080][ T72] netlink_rcv_skb+0x130/0x360 [ 568.249080][ T72] netlink_unicast+0x449/0x710 [ 568.249080][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.249080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.249080][ T72] ___sys_sendmsg+0xee/0x170 [ 568.249080][ T72] __sys_sendmsg+0xcd/0x170 [ 568.249080][ T72] do_syscall_64+0xc6/0x1e0 [ 568.249080][ T72] [ 568.251275][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 568.251275][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 568.251275][ T72] ipv6_find_idev+0x102/0x170 [ 568.251275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 568.251275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.251275][ T72] netlink_rcv_skb+0x130/0x360 [ 568.251275][ T72] netlink_unicast+0x449/0x710 [ 568.251275][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.251275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.251275][ T72] ___sys_sendmsg+0xee/0x170 [ 568.251275][ T72] __sys_sendmsg+0xcd/0x170 [ 568.251275][ T72] do_syscall_64+0xc6/0x1e0 [ 568.251275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.251275][ T72] [ 568.253042][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 568.253042][ T72] neigh_parms_alloc+0x1e5/0x510 [ 568.253042][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 568.253042][ T72] ipv6_find_idev+0x102/0x170 [ 568.253042][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 568.253042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 568.253042][ T72] netlink_rcv_skb+0x130/0x360 [ 568.253042][ T72] netlink_unicast+0x449/0x710 [ 568.253042][ T72] netlink_sendmsg+0x723/0xbe0 [ 568.253042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 568.253042][ T72] ___sys_sendmsg+0xee/0x170 [ 568.253042][ T72] __sys_sendmsg+0xcd/0x170 [ 568.253042][ T72] do_syscall_64+0xc6/0x1e0 [ 568.253042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 568.253042][ T72] [ 578.496984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 578.497498][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 578.497498][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 578.497498][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 578.497498][ T72] fib6_nh_init+0xa22/0x1580 [ 578.497498][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.497498][ T72] ip6_route_add+0x1c/0x140 [ 578.497498][ T72] inet6_rtm_newroute+0x104/0x110 [ 578.497498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.497498][ T72] netlink_rcv_skb+0x130/0x360 [ 578.497498][ T72] netlink_unicast+0x449/0x710 [ 578.497498][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.497498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.497498][ T72] ___sys_sendmsg+0xee/0x170 [ 578.497498][ T72] __sys_sendmsg+0xcd/0x170 [ 578.497498][ T72] do_syscall_64+0xc6/0x1e0 [ 578.497498][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.497498][ T72] [ 578.499378][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 578.499378][ T72] dst_init+0x84/0x4a0 [ 578.499378][ T72] dst_alloc+0x97/0x150 [ 578.499378][ T72] ip6_dst_alloc+0x23/0x90 [ 578.499378][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 578.499378][ T72] ip6_pol_route+0x56f/0x840 [ 578.499378][ T72] fib6_rule_lookup+0x456/0x630 [ 578.499378][ T72] ip6_route_input+0x59c/0xa50 [ 578.499378][ T72] ipv6_rcv+0x397/0x810 [ 578.499378][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 578.499378][ T72] process_backlog+0x101/0x620 [ 578.499378][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 578.499378][ T72] net_rx_action+0x495/0xbe0 [ 578.499378][ T72] __do_softirq+0x1b5/0x7f6 [ 578.499378][ T72] [ 578.501022][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 578.501022][ T72] netdev_get_by_index+0x5e/0x80 [ 578.501022][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.501022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.501022][ T72] ip6_route_add+0x1c/0x140 [ 578.501022][ T72] addrconf_prefix_route+0x2a6/0x430 [ 578.501022][ T72] inet6_addr_add+0x4f8/0xa40 [ 578.501022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.501022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.501022][ T72] netlink_rcv_skb+0x130/0x360 [ 578.501022][ T72] netlink_unicast+0x449/0x710 [ 578.501022][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.501022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.501022][ T72] ___sys_sendmsg+0xee/0x170 [ 578.501022][ T72] __sys_sendmsg+0xcd/0x170 [ 578.501022][ T72] do_syscall_64+0xc6/0x1e0 [ 578.501022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.501022][ T72] [ 578.503023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 578.503023][ T72] netdev_get_by_index+0x5e/0x80 [ 578.503023][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.503023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.503023][ T72] addrconf_f6i_alloc+0x315/0x560 [ 578.503023][ T72] ipv6_add_addr+0x411/0x2000 [ 578.503023][ T72] inet6_addr_add+0x30e/0xa40 [ 578.503023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.503023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.503023][ T72] netlink_rcv_skb+0x130/0x360 [ 578.503023][ T72] netlink_unicast+0x449/0x710 [ 578.503023][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.503023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.503023][ T72] ___sys_sendmsg+0xee/0x170 [ 578.503023][ T72] __sys_sendmsg+0xcd/0x170 [ 578.503023][ T72] do_syscall_64+0xc6/0x1e0 [ 578.503023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.503023][ T72] [ 578.505047][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 578.505047][ T72] netdev_get_by_index+0x5e/0x80 [ 578.505047][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.505047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.505047][ T72] ip6_route_add+0x1c/0x140 [ 578.505047][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 578.505047][ T72] addrconf_add_dev+0xe2/0x170 [ 578.505047][ T72] inet6_addr_add+0x12f/0xa40 [ 578.505047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.505047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.505047][ T72] netlink_rcv_skb+0x130/0x360 [ 578.505047][ T72] netlink_unicast+0x449/0x710 [ 578.505047][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.505047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.505047][ T72] ___sys_sendmsg+0xee/0x170 [ 578.505047][ T72] __sys_sendmsg+0xcd/0x170 [ 578.505047][ T72] do_syscall_64+0xc6/0x1e0 [ 578.505047][ T72] [ 578.507010][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 578.507010][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 578.507010][ T72] ipv6_find_idev+0x102/0x170 [ 578.507010][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 578.507010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.507010][ T72] netlink_rcv_skb+0x130/0x360 [ 578.507010][ T72] netlink_unicast+0x449/0x710 [ 578.507010][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.507010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.507010][ T72] ___sys_sendmsg+0xee/0x170 [ 578.507010][ T72] __sys_sendmsg+0xcd/0x170 [ 578.507010][ T72] do_syscall_64+0xc6/0x1e0 [ 578.507010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.507010][ T72] [ 578.508542][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 578.508542][ T72] neigh_parms_alloc+0x1e5/0x510 [ 578.508542][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 578.508542][ T72] ipv6_find_idev+0x102/0x170 [ 578.508542][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 578.508542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.508542][ T72] netlink_rcv_skb+0x130/0x360 [ 578.508542][ T72] netlink_unicast+0x449/0x710 [ 578.508542][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.508542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.508542][ T72] ___sys_sendmsg+0xee/0x170 [ 578.508542][ T72] __sys_sendmsg+0xcd/0x170 [ 578.508542][ T72] do_syscall_64+0xc6/0x1e0 [ 578.508542][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.508542][ T72] [ 578.510251][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 578.510528][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 578.510528][ T72] dst_init+0x84/0x4a0 [ 578.510528][ T72] dst_alloc+0x97/0x150 [ 578.510528][ T72] ip6_dst_alloc+0x23/0x90 [ 578.510528][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 578.510528][ T72] ip6_pol_route+0x56f/0x840 [ 578.510528][ T72] fib6_rule_lookup+0x456/0x630 [ 578.510528][ T72] ip6_route_input+0x59c/0xa50 [ 578.510528][ T72] ipv6_rcv+0x397/0x810 [ 578.510528][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 578.510528][ T72] process_backlog+0x101/0x620 [ 578.510528][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 578.510528][ T72] net_rx_action+0x495/0xbe0 [ 578.510528][ T72] __do_softirq+0x1b5/0x7f6 [ 578.510528][ T72] [ 578.512172][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 578.512172][ T72] netdev_get_by_index+0x5e/0x80 [ 578.512172][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.512172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.512172][ T72] addrconf_f6i_alloc+0x265/0x560 [ 578.512172][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 578.512172][ T72] addrconf_join_anycast+0x1c0/0x220 [ 578.512172][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 578.512172][ T72] addrconf_dad_completed+0x12b/0xe20 [ 578.512172][ T72] addrconf_dad_begin+0x310/0x670 [ 578.512172][ T72] addrconf_dad_work+0x10b/0xab0 [ 578.512172][ T72] process_one_work+0x84d/0x18a0 [ 578.512172][ T72] worker_thread+0x587/0xd30 [ 578.512172][ T72] kthread+0x28a/0x350 [ 578.512172][ T72] ret_from_fork+0x31/0x70 [ 578.512172][ T72] ret_from_fork_asm+0x1a/0x30 [ 578.512172][ T72] [ 578.514127][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 578.514127][ T72] netdev_get_by_index+0x5e/0x80 [ 578.514127][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.514127][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.514127][ T72] ip6_route_add+0x1c/0x140 [ 578.514127][ T72] addrconf_prefix_route+0x2a6/0x430 [ 578.514127][ T72] inet6_addr_add+0x4f8/0xa40 [ 578.514127][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.514127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.514127][ T72] netlink_rcv_skb+0x130/0x360 [ 578.514127][ T72] netlink_unicast+0x449/0x710 [ 578.514127][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.514127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.514127][ T72] ___sys_sendmsg+0xee/0x170 [ 578.514127][ T72] __sys_sendmsg+0xcd/0x170 [ 578.514127][ T72] do_syscall_64+0xc6/0x1e0 [ 578.514127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.514127][ T72] [ 578.516143][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 578.516143][ T72] netdev_get_by_index+0x5e/0x80 [ 578.516143][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.516143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.516143][ T72] addrconf_f6i_alloc+0x315/0x560 [ 578.516143][ T72] ipv6_add_addr+0x411/0x2000 [ 578.516143][ T72] inet6_addr_add+0x30e/0xa40 [ 578.516143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.516143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.516143][ T72] netlink_rcv_skb+0x130/0x360 [ 578.516143][ T72] netlink_unicast+0x449/0x710 [ 578.516143][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.516143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.516143][ T72] ___sys_sendmsg+0xee/0x170 [ 578.516143][ T72] __sys_sendmsg+0xcd/0x170 [ 578.516143][ T72] do_syscall_64+0xc6/0x1e0 [ 578.516143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.516143][ T72] [ 578.518144][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 578.518144][ T72] netdev_get_by_index+0x5e/0x80 [ 578.518144][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.518144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.518144][ T72] ip6_route_add+0x1c/0x140 [ 578.518144][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 578.518144][ T72] addrconf_add_dev+0xe2/0x170 [ 578.518144][ T72] inet6_addr_add+0x12f/0xa40 [ 578.518144][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.518144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.518144][ T72] netlink_rcv_skb+0x130/0x360 [ 578.518144][ T72] netlink_unicast+0x449/0x710 [ 578.518144][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.518144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.518144][ T72] ___sys_sendmsg+0xee/0x170 [ 578.518144][ T72] __sys_sendmsg+0xcd/0x170 [ 578.518144][ T72] do_syscall_64+0xc6/0x1e0 [ 578.518144][ T72] [ 578.520362][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 578.520362][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 578.520362][ T72] ipv6_find_idev+0x102/0x170 [ 578.520362][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 578.520362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.520362][ T72] netlink_rcv_skb+0x130/0x360 [ 578.520362][ T72] netlink_unicast+0x449/0x710 [ 578.520362][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.520362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.520362][ T72] ___sys_sendmsg+0xee/0x170 [ 578.520362][ T72] __sys_sendmsg+0xcd/0x170 [ 578.520362][ T72] do_syscall_64+0xc6/0x1e0 [ 578.520362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.520362][ T72] [ 578.522190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 578.522190][ T72] neigh_parms_alloc+0x1e5/0x510 [ 578.522190][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 578.522190][ T72] ipv6_find_idev+0x102/0x170 [ 578.522190][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 578.522190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.522190][ T72] netlink_rcv_skb+0x130/0x360 [ 578.522190][ T72] netlink_unicast+0x449/0x710 [ 578.522190][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.522190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.522190][ T72] ___sys_sendmsg+0xee/0x170 [ 578.522190][ T72] __sys_sendmsg+0xcd/0x170 [ 578.522190][ T72] do_syscall_64+0xc6/0x1e0 [ 578.522190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.522190][ T72] [ 578.524700][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 578.525037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 578.525037][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 578.525037][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 578.525037][ T72] fib6_nh_init+0xa22/0x1580 [ 578.525037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.525037][ T72] ip6_route_add+0x1c/0x140 [ 578.525037][ T72] inet6_rtm_newroute+0x104/0x110 [ 578.525037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.525037][ T72] netlink_rcv_skb+0x130/0x360 [ 578.525037][ T72] netlink_unicast+0x449/0x710 [ 578.525037][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.525037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.525037][ T72] ___sys_sendmsg+0xee/0x170 [ 578.525037][ T72] __sys_sendmsg+0xcd/0x170 [ 578.525037][ T72] do_syscall_64+0xc6/0x1e0 [ 578.525037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.525037][ T72] [ 578.527214][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 578.527214][ T72] dst_init+0x84/0x4a0 [ 578.527214][ T72] dst_alloc+0x97/0x150 [ 578.527214][ T72] ip6_dst_alloc+0x23/0x90 [ 578.527214][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 578.527214][ T72] ip6_pol_route+0x56f/0x840 [ 578.527214][ T72] fib6_rule_lookup+0x456/0x630 [ 578.527214][ T72] ip6_route_input+0x59c/0xa50 [ 578.527214][ T72] ipv6_rcv+0x397/0x810 [ 578.527214][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 578.527214][ T72] process_backlog+0x101/0x620 [ 578.527214][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 578.527214][ T72] net_rx_action+0x495/0xbe0 [ 578.527214][ T72] __do_softirq+0x1b5/0x7f6 [ 578.527214][ T72] [ 578.529016][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 578.529016][ T72] netdev_get_by_index+0x5e/0x80 [ 578.529016][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.529016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.529016][ T72] ip6_route_add+0x1c/0x140 [ 578.529016][ T72] addrconf_prefix_route+0x2a6/0x430 [ 578.529016][ T72] inet6_addr_add+0x4f8/0xa40 [ 578.529016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.529016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.529016][ T72] netlink_rcv_skb+0x130/0x360 [ 578.529016][ T72] netlink_unicast+0x449/0x710 [ 578.529016][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.529016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.529016][ T72] ___sys_sendmsg+0xee/0x170 [ 578.529016][ T72] __sys_sendmsg+0xcd/0x170 [ 578.529016][ T72] do_syscall_64+0xc6/0x1e0 [ 578.529016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.529016][ T72] [ 578.531250][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 578.531250][ T72] netdev_get_by_index+0x5e/0x80 [ 578.531250][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.531250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.531250][ T72] addrconf_f6i_alloc+0x315/0x560 [ 578.531250][ T72] ipv6_add_addr+0x411/0x2000 [ 578.531250][ T72] inet6_addr_add+0x30e/0xa40 [ 578.531250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.531250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.531250][ T72] netlink_rcv_skb+0x130/0x360 [ 578.531250][ T72] netlink_unicast+0x449/0x710 [ 578.531250][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.531250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.531250][ T72] ___sys_sendmsg+0xee/0x170 [ 578.531250][ T72] __sys_sendmsg+0xcd/0x170 [ 578.531250][ T72] do_syscall_64+0xc6/0x1e0 [ 578.531250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.531250][ T72] [ 578.533416][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 578.533416][ T72] netdev_get_by_index+0x5e/0x80 [ 578.533416][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.533416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.533416][ T72] ip6_route_add+0x1c/0x140 [ 578.533416][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 578.533416][ T72] addrconf_add_dev+0xe2/0x170 [ 578.533416][ T72] inet6_addr_add+0x12f/0xa40 [ 578.533416][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.533416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.533416][ T72] netlink_rcv_skb+0x130/0x360 [ 578.533416][ T72] netlink_unicast+0x449/0x710 [ 578.533416][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.533416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.533416][ T72] ___sys_sendmsg+0xee/0x170 [ 578.533416][ T72] __sys_sendmsg+0xcd/0x170 [ 578.533416][ T72] do_syscall_64+0xc6/0x1e0 [ 578.533416][ T72] [ 578.535830][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 578.535830][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 578.535830][ T72] ipv6_find_idev+0x102/0x170 [ 578.535830][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 578.535830][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.535830][ T72] netlink_rcv_skb+0x130/0x360 [ 578.535830][ T72] netlink_unicast+0x449/0x710 [ 578.535830][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.535830][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.535830][ T72] ___sys_sendmsg+0xee/0x170 [ 578.535830][ T72] __sys_sendmsg+0xcd/0x170 [ 578.535830][ T72] do_syscall_64+0xc6/0x1e0 [ 578.535830][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.535830][ T72] [ 578.537537][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 578.537537][ T72] neigh_parms_alloc+0x1e5/0x510 [ 578.537537][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 578.537537][ T72] ipv6_find_idev+0x102/0x170 [ 578.537537][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 578.537537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.537537][ T72] netlink_rcv_skb+0x130/0x360 [ 578.537537][ T72] netlink_unicast+0x449/0x710 [ 578.537537][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.537537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.537537][ T72] ___sys_sendmsg+0xee/0x170 [ 578.537537][ T72] __sys_sendmsg+0xcd/0x170 [ 578.537537][ T72] do_syscall_64+0xc6/0x1e0 [ 578.537537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.537537][ T72] [ 578.539398][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 578.539732][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 578.539732][ T72] netdev_get_by_index+0x5e/0x80 [ 578.539732][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.539732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.539732][ T72] addrconf_f6i_alloc+0x265/0x560 [ 578.539732][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 578.539732][ T72] addrconf_join_anycast+0x1c0/0x220 [ 578.539732][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 578.539732][ T72] addrconf_dad_completed+0x12b/0xe20 [ 578.539732][ T72] addrconf_dad_begin+0x310/0x670 [ 578.539732][ T72] addrconf_dad_work+0x10b/0xab0 [ 578.539732][ T72] process_one_work+0x84d/0x18a0 [ 578.539732][ T72] worker_thread+0x587/0xd30 [ 578.539732][ T72] kthread+0x28a/0x350 [ 578.539732][ T72] ret_from_fork+0x31/0x70 [ 578.539732][ T72] ret_from_fork_asm+0x1a/0x30 [ 578.539732][ T72] [ 578.541806][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 578.541806][ T72] netdev_get_by_index+0x5e/0x80 [ 578.541806][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.541806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.541806][ T72] ip6_route_add+0x1c/0x140 [ 578.541806][ T72] addrconf_prefix_route+0x2a6/0x430 [ 578.541806][ T72] inet6_addr_add+0x4f8/0xa40 [ 578.541806][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.541806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.541806][ T72] netlink_rcv_skb+0x130/0x360 [ 578.541806][ T72] netlink_unicast+0x449/0x710 [ 578.541806][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.541806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.541806][ T72] ___sys_sendmsg+0xee/0x170 [ 578.541806][ T72] __sys_sendmsg+0xcd/0x170 [ 578.541806][ T72] do_syscall_64+0xc6/0x1e0 [ 578.541806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.541806][ T72] [ 578.544035][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 578.544035][ T72] netdev_get_by_index+0x5e/0x80 [ 578.544035][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.544035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.544035][ T72] addrconf_f6i_alloc+0x315/0x560 [ 578.544035][ T72] ipv6_add_addr+0x411/0x2000 [ 578.544035][ T72] inet6_addr_add+0x30e/0xa40 [ 578.544035][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.544035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.544035][ T72] netlink_rcv_skb+0x130/0x360 [ 578.544035][ T72] netlink_unicast+0x449/0x710 [ 578.544035][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.544035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.544035][ T72] ___sys_sendmsg+0xee/0x170 [ 578.544035][ T72] __sys_sendmsg+0xcd/0x170 [ 578.544035][ T72] do_syscall_64+0xc6/0x1e0 [ 578.544035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.544035][ T72] [ 578.546340][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 578.546340][ T72] netdev_get_by_index+0x5e/0x80 [ 578.546340][ T72] fib6_nh_init+0x3d8/0x1580 [ 578.546340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 578.546340][ T72] ip6_route_add+0x1c/0x140 [ 578.546340][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 578.546340][ T72] addrconf_add_dev+0xe2/0x170 [ 578.546340][ T72] inet6_addr_add+0x12f/0xa40 [ 578.546340][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 578.546340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.546340][ T72] netlink_rcv_skb+0x130/0x360 [ 578.546340][ T72] netlink_unicast+0x449/0x710 [ 578.546340][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.546340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.546340][ T72] ___sys_sendmsg+0xee/0x170 [ 578.546340][ T72] __sys_sendmsg+0xcd/0x170 [ 578.546340][ T72] do_syscall_64+0xc6/0x1e0 [ 578.546340][ T72] [ 578.548544][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 578.548544][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 578.548544][ T72] ipv6_find_idev+0x102/0x170 [ 578.548544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 578.548544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.548544][ T72] netlink_rcv_skb+0x130/0x360 [ 578.548544][ T72] netlink_unicast+0x449/0x710 [ 578.548544][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.548544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.548544][ T72] ___sys_sendmsg+0xee/0x170 [ 578.548544][ T72] __sys_sendmsg+0xcd/0x170 [ 578.548544][ T72] do_syscall_64+0xc6/0x1e0 [ 578.548544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.548544][ T72] [ 578.550411][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 578.550411][ T72] neigh_parms_alloc+0x1e5/0x510 [ 578.550411][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 578.550411][ T72] ipv6_find_idev+0x102/0x170 [ 578.550411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 578.550411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 578.550411][ T72] netlink_rcv_skb+0x130/0x360 [ 578.550411][ T72] netlink_unicast+0x449/0x710 [ 578.550411][ T72] netlink_sendmsg+0x723/0xbe0 [ 578.550411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 578.550411][ T72] ___sys_sendmsg+0xee/0x170 [ 578.550411][ T72] __sys_sendmsg+0xcd/0x170 [ 578.550411][ T72] do_syscall_64+0xc6/0x1e0 [ 578.550411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 578.550411][ T72] [ 588.792982][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 588.793475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 588.793475][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 588.793475][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 588.793475][ T72] fib6_nh_init+0xa22/0x1580 [ 588.793475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.793475][ T72] ip6_route_add+0x1c/0x140 [ 588.793475][ T72] inet6_rtm_newroute+0x104/0x110 [ 588.793475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.793475][ T72] netlink_rcv_skb+0x130/0x360 [ 588.793475][ T72] netlink_unicast+0x449/0x710 [ 588.793475][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.793475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.793475][ T72] ___sys_sendmsg+0xee/0x170 [ 588.793475][ T72] __sys_sendmsg+0xcd/0x170 [ 588.793475][ T72] do_syscall_64+0xc6/0x1e0 [ 588.793475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.793475][ T72] [ 588.795649][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 588.795649][ T72] dst_init+0x84/0x4a0 [ 588.795649][ T72] dst_alloc+0x97/0x150 [ 588.795649][ T72] ip6_dst_alloc+0x23/0x90 [ 588.795649][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 588.795649][ T72] ip6_pol_route+0x56f/0x840 [ 588.795649][ T72] fib6_rule_lookup+0x456/0x630 [ 588.795649][ T72] ip6_route_input+0x59c/0xa50 [ 588.795649][ T72] ipv6_rcv+0x397/0x810 [ 588.795649][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 588.795649][ T72] process_backlog+0x101/0x620 [ 588.795649][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 588.795649][ T72] net_rx_action+0x495/0xbe0 [ 588.795649][ T72] __do_softirq+0x1b5/0x7f6 [ 588.795649][ T72] [ 588.797303][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 588.797303][ T72] netdev_get_by_index+0x5e/0x80 [ 588.797303][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.797303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.797303][ T72] ip6_route_add+0x1c/0x140 [ 588.797303][ T72] addrconf_prefix_route+0x2a6/0x430 [ 588.797303][ T72] inet6_addr_add+0x4f8/0xa40 [ 588.797303][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.797303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.797303][ T72] netlink_rcv_skb+0x130/0x360 [ 588.797303][ T72] netlink_unicast+0x449/0x710 [ 588.797303][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.797303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.797303][ T72] ___sys_sendmsg+0xee/0x170 [ 588.797303][ T72] __sys_sendmsg+0xcd/0x170 [ 588.797303][ T72] do_syscall_64+0xc6/0x1e0 [ 588.797303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.797303][ T72] [ 588.799315][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 588.799315][ T72] netdev_get_by_index+0x5e/0x80 [ 588.799315][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.799315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.799315][ T72] addrconf_f6i_alloc+0x315/0x560 [ 588.799315][ T72] ipv6_add_addr+0x411/0x2000 [ 588.799315][ T72] inet6_addr_add+0x30e/0xa40 [ 588.799315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.799315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.799315][ T72] netlink_rcv_skb+0x130/0x360 [ 588.799315][ T72] netlink_unicast+0x449/0x710 [ 588.799315][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.799315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.799315][ T72] ___sys_sendmsg+0xee/0x170 [ 588.799315][ T72] __sys_sendmsg+0xcd/0x170 [ 588.799315][ T72] do_syscall_64+0xc6/0x1e0 [ 588.799315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.799315][ T72] [ 588.801325][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 588.801325][ T72] netdev_get_by_index+0x5e/0x80 [ 588.801325][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.801325][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.801325][ T72] ip6_route_add+0x1c/0x140 [ 588.801325][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 588.801325][ T72] addrconf_add_dev+0xe2/0x170 [ 588.801325][ T72] inet6_addr_add+0x12f/0xa40 [ 588.801325][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.801325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.801325][ T72] netlink_rcv_skb+0x130/0x360 [ 588.801325][ T72] netlink_unicast+0x449/0x710 [ 588.801325][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.801325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.801325][ T72] ___sys_sendmsg+0xee/0x170 [ 588.801325][ T72] __sys_sendmsg+0xcd/0x170 [ 588.801325][ T72] do_syscall_64+0xc6/0x1e0 [ 588.801325][ T72] [ 588.803300][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 588.803300][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 588.803300][ T72] ipv6_find_idev+0x102/0x170 [ 588.803300][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 588.803300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.803300][ T72] netlink_rcv_skb+0x130/0x360 [ 588.803300][ T72] netlink_unicast+0x449/0x710 [ 588.803300][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.803300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.803300][ T72] ___sys_sendmsg+0xee/0x170 [ 588.803300][ T72] __sys_sendmsg+0xcd/0x170 [ 588.803300][ T72] do_syscall_64+0xc6/0x1e0 [ 588.803300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.803300][ T72] [ 588.804867][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 588.804867][ T72] neigh_parms_alloc+0x1e5/0x510 [ 588.804867][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 588.804867][ T72] ipv6_find_idev+0x102/0x170 [ 588.804867][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 588.804867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.804867][ T72] netlink_rcv_skb+0x130/0x360 [ 588.804867][ T72] netlink_unicast+0x449/0x710 [ 588.804867][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.804867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.804867][ T72] ___sys_sendmsg+0xee/0x170 [ 588.804867][ T72] __sys_sendmsg+0xcd/0x170 [ 588.804867][ T72] do_syscall_64+0xc6/0x1e0 [ 588.804867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.804867][ T72] [ 588.806612][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 588.806900][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 588.806900][ T72] dst_init+0x84/0x4a0 [ 588.806900][ T72] dst_alloc+0x97/0x150 [ 588.806900][ T72] ip6_dst_alloc+0x23/0x90 [ 588.806900][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 588.806900][ T72] ip6_pol_route+0x56f/0x840 [ 588.806900][ T72] fib6_rule_lookup+0x456/0x630 [ 588.806900][ T72] ip6_route_input+0x59c/0xa50 [ 588.806900][ T72] ipv6_rcv+0x397/0x810 [ 588.806900][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 588.806900][ T72] process_backlog+0x101/0x620 [ 588.806900][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 588.806900][ T72] net_rx_action+0x495/0xbe0 [ 588.806900][ T72] __do_softirq+0x1b5/0x7f6 [ 588.806900][ T72] [ 588.808550][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 588.808550][ T72] netdev_get_by_index+0x5e/0x80 [ 588.808550][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.808550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.808550][ T72] addrconf_f6i_alloc+0x265/0x560 [ 588.808550][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 588.808550][ T72] addrconf_join_anycast+0x1c0/0x220 [ 588.808550][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 588.808550][ T72] addrconf_dad_completed+0x12b/0xe20 [ 588.808550][ T72] addrconf_dad_begin+0x310/0x670 [ 588.808550][ T72] addrconf_dad_work+0x10b/0xab0 [ 588.808550][ T72] process_one_work+0x84d/0x18a0 [ 588.808550][ T72] worker_thread+0x587/0xd30 [ 588.808550][ T72] kthread+0x28a/0x350 [ 588.808550][ T72] ret_from_fork+0x31/0x70 [ 588.808550][ T72] ret_from_fork_asm+0x1a/0x30 [ 588.808550][ T72] [ 588.810460][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 588.810460][ T72] netdev_get_by_index+0x5e/0x80 [ 588.810460][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.810460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.810460][ T72] ip6_route_add+0x1c/0x140 [ 588.810460][ T72] addrconf_prefix_route+0x2a6/0x430 [ 588.810460][ T72] inet6_addr_add+0x4f8/0xa40 [ 588.810460][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.810460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.810460][ T72] netlink_rcv_skb+0x130/0x360 [ 588.810460][ T72] netlink_unicast+0x449/0x710 [ 588.810460][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.810460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.810460][ T72] ___sys_sendmsg+0xee/0x170 [ 588.810460][ T72] __sys_sendmsg+0xcd/0x170 [ 588.810460][ T72] do_syscall_64+0xc6/0x1e0 [ 588.810460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.810460][ T72] [ 588.812461][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 588.812461][ T72] netdev_get_by_index+0x5e/0x80 [ 588.812461][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.812461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.812461][ T72] addrconf_f6i_alloc+0x315/0x560 [ 588.812461][ T72] ipv6_add_addr+0x411/0x2000 [ 588.812461][ T72] inet6_addr_add+0x30e/0xa40 [ 588.812461][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.812461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.812461][ T72] netlink_rcv_skb+0x130/0x360 [ 588.812461][ T72] netlink_unicast+0x449/0x710 [ 588.812461][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.812461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.812461][ T72] ___sys_sendmsg+0xee/0x170 [ 588.812461][ T72] __sys_sendmsg+0xcd/0x170 [ 588.812461][ T72] do_syscall_64+0xc6/0x1e0 [ 588.812461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.812461][ T72] [ 588.814458][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 588.814458][ T72] netdev_get_by_index+0x5e/0x80 [ 588.814458][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.814458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.814458][ T72] ip6_route_add+0x1c/0x140 [ 588.814458][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 588.814458][ T72] addrconf_add_dev+0xe2/0x170 [ 588.814458][ T72] inet6_addr_add+0x12f/0xa40 [ 588.814458][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.814458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.814458][ T72] netlink_rcv_skb+0x130/0x360 [ 588.814458][ T72] netlink_unicast+0x449/0x710 [ 588.814458][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.814458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.814458][ T72] ___sys_sendmsg+0xee/0x170 [ 588.814458][ T72] __sys_sendmsg+0xcd/0x170 [ 588.814458][ T72] do_syscall_64+0xc6/0x1e0 [ 588.814458][ T72] [ 588.816451][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 588.816451][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 588.816451][ T72] ipv6_find_idev+0x102/0x170 [ 588.816451][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 588.816451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.816451][ T72] netlink_rcv_skb+0x130/0x360 [ 588.816451][ T72] netlink_unicast+0x449/0x710 [ 588.816451][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.816451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.816451][ T72] ___sys_sendmsg+0xee/0x170 [ 588.816451][ T72] __sys_sendmsg+0xcd/0x170 [ 588.816451][ T72] do_syscall_64+0xc6/0x1e0 [ 588.816451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.816451][ T72] [ 588.818007][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 588.818007][ T72] neigh_parms_alloc+0x1e5/0x510 [ 588.818007][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 588.818007][ T72] ipv6_find_idev+0x102/0x170 [ 588.818007][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 588.818007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.818007][ T72] netlink_rcv_skb+0x130/0x360 [ 588.818007][ T72] netlink_unicast+0x449/0x710 [ 588.818007][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.818007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.818007][ T72] ___sys_sendmsg+0xee/0x170 [ 588.818007][ T72] __sys_sendmsg+0xcd/0x170 [ 588.818007][ T72] do_syscall_64+0xc6/0x1e0 [ 588.818007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.818007][ T72] [ 588.819851][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 588.820125][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 588.820125][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 588.820125][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 588.820125][ T72] fib6_nh_init+0xa22/0x1580 [ 588.820125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.820125][ T72] ip6_route_add+0x1c/0x140 [ 588.820125][ T72] inet6_rtm_newroute+0x104/0x110 [ 588.820125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.820125][ T72] netlink_rcv_skb+0x130/0x360 [ 588.820125][ T72] netlink_unicast+0x449/0x710 [ 588.820125][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.820125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.820125][ T72] ___sys_sendmsg+0xee/0x170 [ 588.820125][ T72] __sys_sendmsg+0xcd/0x170 [ 588.820125][ T72] do_syscall_64+0xc6/0x1e0 [ 588.820125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.820125][ T72] [ 588.822321][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 588.822321][ T72] dst_init+0x84/0x4a0 [ 588.822321][ T72] dst_alloc+0x97/0x150 [ 588.822321][ T72] ip6_dst_alloc+0x23/0x90 [ 588.822321][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 588.822321][ T72] ip6_pol_route+0x56f/0x840 [ 588.822321][ T72] fib6_rule_lookup+0x456/0x630 [ 588.822321][ T72] ip6_route_input+0x59c/0xa50 [ 588.822321][ T72] ipv6_rcv+0x397/0x810 [ 588.822321][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 588.822321][ T72] process_backlog+0x101/0x620 [ 588.822321][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 588.822321][ T72] net_rx_action+0x495/0xbe0 [ 588.822321][ T72] __do_softirq+0x1b5/0x7f6 [ 588.822321][ T72] [ 588.824137][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 588.824137][ T72] netdev_get_by_index+0x5e/0x80 [ 588.824137][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.824137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.824137][ T72] ip6_route_add+0x1c/0x140 [ 588.824137][ T72] addrconf_prefix_route+0x2a6/0x430 [ 588.824137][ T72] inet6_addr_add+0x4f8/0xa40 [ 588.824137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.824137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.824137][ T72] netlink_rcv_skb+0x130/0x360 [ 588.824137][ T72] netlink_unicast+0x449/0x710 [ 588.824137][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.824137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.824137][ T72] ___sys_sendmsg+0xee/0x170 [ 588.824137][ T72] __sys_sendmsg+0xcd/0x170 [ 588.824137][ T72] do_syscall_64+0xc6/0x1e0 [ 588.824137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.824137][ T72] [ 588.826394][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 588.826394][ T72] netdev_get_by_index+0x5e/0x80 [ 588.826394][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.826394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.826394][ T72] addrconf_f6i_alloc+0x315/0x560 [ 588.826394][ T72] ipv6_add_addr+0x411/0x2000 [ 588.826394][ T72] inet6_addr_add+0x30e/0xa40 [ 588.826394][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.826394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.826394][ T72] netlink_rcv_skb+0x130/0x360 [ 588.826394][ T72] netlink_unicast+0x449/0x710 [ 588.826394][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.826394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.826394][ T72] ___sys_sendmsg+0xee/0x170 [ 588.826394][ T72] __sys_sendmsg+0xcd/0x170 [ 588.826394][ T72] do_syscall_64+0xc6/0x1e0 [ 588.826394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.826394][ T72] [ 588.828588][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 588.828588][ T72] netdev_get_by_index+0x5e/0x80 [ 588.828588][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.828588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.828588][ T72] ip6_route_add+0x1c/0x140 [ 588.828588][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 588.828588][ T72] addrconf_add_dev+0xe2/0x170 [ 588.828588][ T72] inet6_addr_add+0x12f/0xa40 [ 588.828588][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.828588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.828588][ T72] netlink_rcv_skb+0x130/0x360 [ 588.828588][ T72] netlink_unicast+0x449/0x710 [ 588.828588][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.828588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.828588][ T72] ___sys_sendmsg+0xee/0x170 [ 588.828588][ T72] __sys_sendmsg+0xcd/0x170 [ 588.828588][ T72] do_syscall_64+0xc6/0x1e0 [ 588.828588][ T72] [ 588.831078][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 588.831078][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 588.831078][ T72] ipv6_find_idev+0x102/0x170 [ 588.831078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 588.831078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.831078][ T72] netlink_rcv_skb+0x130/0x360 [ 588.831078][ T72] netlink_unicast+0x449/0x710 [ 588.831078][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.831078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.831078][ T72] ___sys_sendmsg+0xee/0x170 [ 588.831078][ T72] __sys_sendmsg+0xcd/0x170 [ 588.831078][ T72] do_syscall_64+0xc6/0x1e0 [ 588.831078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.831078][ T72] [ 588.832946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 588.832946][ T72] neigh_parms_alloc+0x1e5/0x510 [ 588.832946][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 588.832946][ T72] ipv6_find_idev+0x102/0x170 [ 588.832946][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 588.832946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.832946][ T72] netlink_rcv_skb+0x130/0x360 [ 588.832946][ T72] netlink_unicast+0x449/0x710 [ 588.832946][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.832946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.832946][ T72] ___sys_sendmsg+0xee/0x170 [ 588.832946][ T72] __sys_sendmsg+0xcd/0x170 [ 588.832946][ T72] do_syscall_64+0xc6/0x1e0 [ 588.832946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.832946][ T72] [ 588.834984][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 588.835347][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 588.835347][ T72] netdev_get_by_index+0x5e/0x80 [ 588.835347][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.835347][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.835347][ T72] addrconf_f6i_alloc+0x265/0x560 [ 588.835347][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 588.835347][ T72] addrconf_join_anycast+0x1c0/0x220 [ 588.835347][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 588.835347][ T72] addrconf_dad_completed+0x12b/0xe20 [ 588.835347][ T72] addrconf_dad_begin+0x310/0x670 [ 588.835347][ T72] addrconf_dad_work+0x10b/0xab0 [ 588.835347][ T72] process_one_work+0x84d/0x18a0 [ 588.835347][ T72] worker_thread+0x587/0xd30 [ 588.835347][ T72] kthread+0x28a/0x350 [ 588.835347][ T72] ret_from_fork+0x31/0x70 [ 588.835347][ T72] ret_from_fork_asm+0x1a/0x30 [ 588.835347][ T72] [ 588.837556][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 588.837556][ T72] netdev_get_by_index+0x5e/0x80 [ 588.837556][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.837556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.837556][ T72] ip6_route_add+0x1c/0x140 [ 588.837556][ T72] addrconf_prefix_route+0x2a6/0x430 [ 588.837556][ T72] inet6_addr_add+0x4f8/0xa40 [ 588.837556][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.837556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.837556][ T72] netlink_rcv_skb+0x130/0x360 [ 588.837556][ T72] netlink_unicast+0x449/0x710 [ 588.837556][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.837556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.837556][ T72] ___sys_sendmsg+0xee/0x170 [ 588.837556][ T72] __sys_sendmsg+0xcd/0x170 [ 588.837556][ T72] do_syscall_64+0xc6/0x1e0 [ 588.837556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.837556][ T72] [ 588.839990][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 588.839990][ T72] netdev_get_by_index+0x5e/0x80 [ 588.839990][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.839990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.839990][ T72] addrconf_f6i_alloc+0x315/0x560 [ 588.839990][ T72] ipv6_add_addr+0x411/0x2000 [ 588.839990][ T72] inet6_addr_add+0x30e/0xa40 [ 588.839990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.839990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.839990][ T72] netlink_rcv_skb+0x130/0x360 [ 588.839990][ T72] netlink_unicast+0x449/0x710 [ 588.839990][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.839990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.839990][ T72] ___sys_sendmsg+0xee/0x170 [ 588.839990][ T72] __sys_sendmsg+0xcd/0x170 [ 588.839990][ T72] do_syscall_64+0xc6/0x1e0 [ 588.839990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.839990][ T72] [ 588.842419][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 588.842419][ T72] netdev_get_by_index+0x5e/0x80 [ 588.842419][ T72] fib6_nh_init+0x3d8/0x1580 [ 588.842419][ T72] ip6_route_info_create+0xf18/0x17d0 [ 588.842419][ T72] ip6_route_add+0x1c/0x140 [ 588.842419][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 588.842419][ T72] addrconf_add_dev+0xe2/0x170 [ 588.842419][ T72] inet6_addr_add+0x12f/0xa40 [ 588.842419][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 588.842419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.842419][ T72] netlink_rcv_skb+0x130/0x360 [ 588.842419][ T72] netlink_unicast+0x449/0x710 [ 588.842419][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.842419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.842419][ T72] ___sys_sendmsg+0xee/0x170 [ 588.842419][ T72] __sys_sendmsg+0xcd/0x170 [ 588.842419][ T72] do_syscall_64+0xc6/0x1e0 [ 588.842419][ T72] [ 588.844815][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 588.844815][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 588.844815][ T72] ipv6_find_idev+0x102/0x170 [ 588.844815][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 588.844815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.844815][ T72] netlink_rcv_skb+0x130/0x360 [ 588.844815][ T72] netlink_unicast+0x449/0x710 [ 588.844815][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.844815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.844815][ T72] ___sys_sendmsg+0xee/0x170 [ 588.844815][ T72] __sys_sendmsg+0xcd/0x170 [ 588.844815][ T72] do_syscall_64+0xc6/0x1e0 [ 588.844815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.844815][ T72] [ 588.846708][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 588.846708][ T72] neigh_parms_alloc+0x1e5/0x510 [ 588.846708][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 588.846708][ T72] ipv6_find_idev+0x102/0x170 [ 588.846708][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 588.846708][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 588.846708][ T72] netlink_rcv_skb+0x130/0x360 [ 588.846708][ T72] netlink_unicast+0x449/0x710 [ 588.846708][ T72] netlink_sendmsg+0x723/0xbe0 [ 588.846708][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 588.846708][ T72] ___sys_sendmsg+0xee/0x170 [ 588.846708][ T72] __sys_sendmsg+0xcd/0x170 [ 588.846708][ T72] do_syscall_64+0xc6/0x1e0 [ 588.846708][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 588.846708][ T72] [ 598.936881][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 598.937384][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 598.937384][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 598.937384][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 598.937384][ T72] fib6_nh_init+0xa22/0x1580 [ 598.937384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.937384][ T72] ip6_route_add+0x1c/0x140 [ 598.937384][ T72] inet6_rtm_newroute+0x104/0x110 [ 598.937384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.937384][ T72] netlink_rcv_skb+0x130/0x360 [ 598.937384][ T72] netlink_unicast+0x449/0x710 [ 598.937384][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.937384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.937384][ T72] ___sys_sendmsg+0xee/0x170 [ 598.937384][ T72] __sys_sendmsg+0xcd/0x170 [ 598.937384][ T72] do_syscall_64+0xc6/0x1e0 [ 598.937384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.937384][ T72] [ 598.939524][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 598.939524][ T72] dst_init+0x84/0x4a0 [ 598.939524][ T72] dst_alloc+0x97/0x150 [ 598.939524][ T72] ip6_dst_alloc+0x23/0x90 [ 598.939524][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 598.939524][ T72] ip6_pol_route+0x56f/0x840 [ 598.939524][ T72] fib6_rule_lookup+0x456/0x630 [ 598.939524][ T72] ip6_route_input+0x59c/0xa50 [ 598.939524][ T72] ipv6_rcv+0x397/0x810 [ 598.939524][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 598.939524][ T72] process_backlog+0x101/0x620 [ 598.939524][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 598.939524][ T72] net_rx_action+0x495/0xbe0 [ 598.939524][ T72] __do_softirq+0x1b5/0x7f6 [ 598.939524][ T72] [ 598.941350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 598.941350][ T72] netdev_get_by_index+0x5e/0x80 [ 598.941350][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.941350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.941350][ T72] ip6_route_add+0x1c/0x140 [ 598.941350][ T72] addrconf_prefix_route+0x2a6/0x430 [ 598.941350][ T72] inet6_addr_add+0x4f8/0xa40 [ 598.941350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.941350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.941350][ T72] netlink_rcv_skb+0x130/0x360 [ 598.941350][ T72] netlink_unicast+0x449/0x710 [ 598.941350][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.941350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.941350][ T72] ___sys_sendmsg+0xee/0x170 [ 598.941350][ T72] __sys_sendmsg+0xcd/0x170 [ 598.941350][ T72] do_syscall_64+0xc6/0x1e0 [ 598.941350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.941350][ T72] [ 598.943580][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 598.943580][ T72] netdev_get_by_index+0x5e/0x80 [ 598.943580][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.943580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.943580][ T72] addrconf_f6i_alloc+0x315/0x560 [ 598.943580][ T72] ipv6_add_addr+0x411/0x2000 [ 598.943580][ T72] inet6_addr_add+0x30e/0xa40 [ 598.943580][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.943580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.943580][ T72] netlink_rcv_skb+0x130/0x360 [ 598.943580][ T72] netlink_unicast+0x449/0x710 [ 598.943580][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.943580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.943580][ T72] ___sys_sendmsg+0xee/0x170 [ 598.943580][ T72] __sys_sendmsg+0xcd/0x170 [ 598.943580][ T72] do_syscall_64+0xc6/0x1e0 [ 598.943580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.943580][ T72] [ 598.945815][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 598.945815][ T72] netdev_get_by_index+0x5e/0x80 [ 598.945815][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.945815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.945815][ T72] ip6_route_add+0x1c/0x140 [ 598.945815][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 598.945815][ T72] addrconf_add_dev+0xe2/0x170 [ 598.945815][ T72] inet6_addr_add+0x12f/0xa40 [ 598.945815][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.945815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.945815][ T72] netlink_rcv_skb+0x130/0x360 [ 598.945815][ T72] netlink_unicast+0x449/0x710 [ 598.945815][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.945815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.945815][ T72] ___sys_sendmsg+0xee/0x170 [ 598.945815][ T72] __sys_sendmsg+0xcd/0x170 [ 598.945815][ T72] do_syscall_64+0xc6/0x1e0 [ 598.945815][ T72] [ 598.948004][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 598.948004][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 598.948004][ T72] ipv6_find_idev+0x102/0x170 [ 598.948004][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 598.948004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.948004][ T72] netlink_rcv_skb+0x130/0x360 [ 598.948004][ T72] netlink_unicast+0x449/0x710 [ 598.948004][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.948004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.948004][ T72] ___sys_sendmsg+0xee/0x170 [ 598.948004][ T72] __sys_sendmsg+0xcd/0x170 [ 598.948004][ T72] do_syscall_64+0xc6/0x1e0 [ 598.948004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.948004][ T72] [ 598.949729][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 598.949729][ T72] neigh_parms_alloc+0x1e5/0x510 [ 598.949729][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 598.949729][ T72] ipv6_find_idev+0x102/0x170 [ 598.949729][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 598.949729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.949729][ T72] netlink_rcv_skb+0x130/0x360 [ 598.949729][ T72] netlink_unicast+0x449/0x710 [ 598.949729][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.949729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.949729][ T72] ___sys_sendmsg+0xee/0x170 [ 598.949729][ T72] __sys_sendmsg+0xcd/0x170 [ 598.949729][ T72] do_syscall_64+0xc6/0x1e0 [ 598.949729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.949729][ T72] [ 598.951637][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 598.951959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 598.951959][ T72] dst_init+0x84/0x4a0 [ 598.951959][ T72] dst_alloc+0x97/0x150 [ 598.951959][ T72] ip6_dst_alloc+0x23/0x90 [ 598.951959][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 598.951959][ T72] ip6_pol_route+0x56f/0x840 [ 598.951959][ T72] fib6_rule_lookup+0x456/0x630 [ 598.951959][ T72] ip6_route_input+0x59c/0xa50 [ 598.951959][ T72] ipv6_rcv+0x397/0x810 [ 598.951959][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 598.951959][ T72] process_backlog+0x101/0x620 [ 598.951959][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 598.951959][ T72] net_rx_action+0x495/0xbe0 [ 598.951959][ T72] __do_softirq+0x1b5/0x7f6 [ 598.951959][ T72] [ 598.953804][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 598.953804][ T72] netdev_get_by_index+0x5e/0x80 [ 598.953804][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.953804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.953804][ T72] addrconf_f6i_alloc+0x265/0x560 [ 598.953804][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 598.953804][ T72] addrconf_join_anycast+0x1c0/0x220 [ 598.953804][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 598.953804][ T72] addrconf_dad_completed+0x12b/0xe20 [ 598.953804][ T72] addrconf_dad_begin+0x310/0x670 [ 598.953804][ T72] addrconf_dad_work+0x10b/0xab0 [ 598.953804][ T72] process_one_work+0x84d/0x18a0 [ 598.953804][ T72] worker_thread+0x587/0xd30 [ 598.953804][ T72] kthread+0x28a/0x350 [ 598.953804][ T72] ret_from_fork+0x31/0x70 [ 598.953804][ T72] ret_from_fork_asm+0x1a/0x30 [ 598.953804][ T72] [ 598.955954][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 598.955954][ T72] netdev_get_by_index+0x5e/0x80 [ 598.955954][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.955954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.955954][ T72] ip6_route_add+0x1c/0x140 [ 598.955954][ T72] addrconf_prefix_route+0x2a6/0x430 [ 598.955954][ T72] inet6_addr_add+0x4f8/0xa40 [ 598.955954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.955954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.955954][ T72] netlink_rcv_skb+0x130/0x360 [ 598.955954][ T72] netlink_unicast+0x449/0x710 [ 598.955954][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.955954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.955954][ T72] ___sys_sendmsg+0xee/0x170 [ 598.955954][ T72] __sys_sendmsg+0xcd/0x170 [ 598.955954][ T72] do_syscall_64+0xc6/0x1e0 [ 598.955954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.955954][ T72] [ 598.958184][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 598.958184][ T72] netdev_get_by_index+0x5e/0x80 [ 598.958184][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.958184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.958184][ T72] addrconf_f6i_alloc+0x315/0x560 [ 598.958184][ T72] ipv6_add_addr+0x411/0x2000 [ 598.958184][ T72] inet6_addr_add+0x30e/0xa40 [ 598.958184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.958184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.958184][ T72] netlink_rcv_skb+0x130/0x360 [ 598.958184][ T72] netlink_unicast+0x449/0x710 [ 598.958184][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.958184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.958184][ T72] ___sys_sendmsg+0xee/0x170 [ 598.958184][ T72] __sys_sendmsg+0xcd/0x170 [ 598.958184][ T72] do_syscall_64+0xc6/0x1e0 [ 598.958184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.958184][ T72] [ 598.960432][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 598.960432][ T72] netdev_get_by_index+0x5e/0x80 [ 598.960432][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.960432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.960432][ T72] ip6_route_add+0x1c/0x140 [ 598.960432][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 598.960432][ T72] addrconf_add_dev+0xe2/0x170 [ 598.960432][ T72] inet6_addr_add+0x12f/0xa40 [ 598.960432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.960432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.960432][ T72] netlink_rcv_skb+0x130/0x360 [ 598.960432][ T72] netlink_unicast+0x449/0x710 [ 598.960432][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.960432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.960432][ T72] ___sys_sendmsg+0xee/0x170 [ 598.960432][ T72] __sys_sendmsg+0xcd/0x170 [ 598.960432][ T72] do_syscall_64+0xc6/0x1e0 [ 598.960432][ T72] [ 598.962621][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 598.962621][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 598.962621][ T72] ipv6_find_idev+0x102/0x170 [ 598.962621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 598.962621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.962621][ T72] netlink_rcv_skb+0x130/0x360 [ 598.962621][ T72] netlink_unicast+0x449/0x710 [ 598.962621][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.962621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.962621][ T72] ___sys_sendmsg+0xee/0x170 [ 598.962621][ T72] __sys_sendmsg+0xcd/0x170 [ 598.962621][ T72] do_syscall_64+0xc6/0x1e0 [ 598.962621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.962621][ T72] [ 598.964335][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 598.964335][ T72] neigh_parms_alloc+0x1e5/0x510 [ 598.964335][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 598.964335][ T72] ipv6_find_idev+0x102/0x170 [ 598.964335][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 598.964335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.964335][ T72] netlink_rcv_skb+0x130/0x360 [ 598.964335][ T72] netlink_unicast+0x449/0x710 [ 598.964335][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.964335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.964335][ T72] ___sys_sendmsg+0xee/0x170 [ 598.964335][ T72] __sys_sendmsg+0xcd/0x170 [ 598.964335][ T72] do_syscall_64+0xc6/0x1e0 [ 598.964335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.964335][ T72] [ 598.966347][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 598.966643][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 598.966643][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 598.966643][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 598.966643][ T72] fib6_nh_init+0xa22/0x1580 [ 598.966643][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.966643][ T72] ip6_route_add+0x1c/0x140 [ 598.966643][ T72] inet6_rtm_newroute+0x104/0x110 [ 598.966643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.966643][ T72] netlink_rcv_skb+0x130/0x360 [ 598.966643][ T72] netlink_unicast+0x449/0x710 [ 598.966643][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.966643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.966643][ T72] ___sys_sendmsg+0xee/0x170 [ 598.966643][ T72] __sys_sendmsg+0xcd/0x170 [ 598.966643][ T72] do_syscall_64+0xc6/0x1e0 [ 598.966643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.966643][ T72] [ 598.969040][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 598.969040][ T72] dst_init+0x84/0x4a0 [ 598.969040][ T72] dst_alloc+0x97/0x150 [ 598.969040][ T72] ip6_dst_alloc+0x23/0x90 [ 598.969040][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 598.969040][ T72] ip6_pol_route+0x56f/0x840 [ 598.969040][ T72] fib6_rule_lookup+0x456/0x630 [ 598.969040][ T72] ip6_route_input+0x59c/0xa50 [ 598.969040][ T72] ipv6_rcv+0x397/0x810 [ 598.969040][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 598.969040][ T72] process_backlog+0x101/0x620 [ 598.969040][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 598.969040][ T72] net_rx_action+0x495/0xbe0 [ 598.969040][ T72] __do_softirq+0x1b5/0x7f6 [ 598.969040][ T72] [ 598.971039][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 598.971039][ T72] netdev_get_by_index+0x5e/0x80 [ 598.971039][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.971039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.971039][ T72] ip6_route_add+0x1c/0x140 [ 598.971039][ T72] addrconf_prefix_route+0x2a6/0x430 [ 598.971039][ T72] inet6_addr_add+0x4f8/0xa40 [ 598.971039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.971039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.971039][ T72] netlink_rcv_skb+0x130/0x360 [ 598.971039][ T72] netlink_unicast+0x449/0x710 [ 598.971039][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.971039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.971039][ T72] ___sys_sendmsg+0xee/0x170 [ 598.971039][ T72] __sys_sendmsg+0xcd/0x170 [ 598.971039][ T72] do_syscall_64+0xc6/0x1e0 [ 598.971039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.971039][ T72] [ 598.973509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 598.973509][ T72] netdev_get_by_index+0x5e/0x80 [ 598.973509][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.973509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.973509][ T72] addrconf_f6i_alloc+0x315/0x560 [ 598.973509][ T72] ipv6_add_addr+0x411/0x2000 [ 598.973509][ T72] inet6_addr_add+0x30e/0xa40 [ 598.973509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.973509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.973509][ T72] netlink_rcv_skb+0x130/0x360 [ 598.973509][ T72] netlink_unicast+0x449/0x710 [ 598.973509][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.973509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.973509][ T72] ___sys_sendmsg+0xee/0x170 [ 598.973509][ T72] __sys_sendmsg+0xcd/0x170 [ 598.973509][ T72] do_syscall_64+0xc6/0x1e0 [ 598.973509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.973509][ T72] [ 598.976472][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 598.976472][ T72] netdev_get_by_index+0x5e/0x80 [ 598.976472][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.976472][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.976472][ T72] ip6_route_add+0x1c/0x140 [ 598.976472][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 598.976472][ T72] addrconf_add_dev+0xe2/0x170 [ 598.976472][ T72] inet6_addr_add+0x12f/0xa40 [ 598.976472][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.976472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.976472][ T72] netlink_rcv_skb+0x130/0x360 [ 598.976472][ T72] netlink_unicast+0x449/0x710 [ 598.976472][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.976472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.976472][ T72] ___sys_sendmsg+0xee/0x170 [ 598.976472][ T72] __sys_sendmsg+0xcd/0x170 [ 598.976472][ T72] do_syscall_64+0xc6/0x1e0 [ 598.976472][ T72] [ 598.978962][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 598.978962][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 598.978962][ T72] ipv6_find_idev+0x102/0x170 [ 598.978962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 598.978962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.978962][ T72] netlink_rcv_skb+0x130/0x360 [ 598.978962][ T72] netlink_unicast+0x449/0x710 [ 598.978962][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.978962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.978962][ T72] ___sys_sendmsg+0xee/0x170 [ 598.978962][ T72] __sys_sendmsg+0xcd/0x170 [ 598.978962][ T72] do_syscall_64+0xc6/0x1e0 [ 598.978962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.978962][ T72] [ 598.980862][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 598.980862][ T72] neigh_parms_alloc+0x1e5/0x510 [ 598.980862][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 598.980862][ T72] ipv6_find_idev+0x102/0x170 [ 598.980862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 598.980862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.980862][ T72] netlink_rcv_skb+0x130/0x360 [ 598.980862][ T72] netlink_unicast+0x449/0x710 [ 598.980862][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.980862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.980862][ T72] ___sys_sendmsg+0xee/0x170 [ 598.980862][ T72] __sys_sendmsg+0xcd/0x170 [ 598.980862][ T72] do_syscall_64+0xc6/0x1e0 [ 598.980862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.980862][ T72] [ 598.982931][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 598.983300][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 598.983300][ T72] netdev_get_by_index+0x5e/0x80 [ 598.983300][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.983300][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.983300][ T72] addrconf_f6i_alloc+0x265/0x560 [ 598.983300][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 598.983300][ T72] addrconf_join_anycast+0x1c0/0x220 [ 598.983300][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 598.983300][ T72] addrconf_dad_completed+0x12b/0xe20 [ 598.983300][ T72] addrconf_dad_begin+0x310/0x670 [ 598.983300][ T72] addrconf_dad_work+0x10b/0xab0 [ 598.983300][ T72] process_one_work+0x84d/0x18a0 [ 598.983300][ T72] worker_thread+0x587/0xd30 [ 598.983300][ T72] kthread+0x28a/0x350 [ 598.983300][ T72] ret_from_fork+0x31/0x70 [ 598.983300][ T72] ret_from_fork_asm+0x1a/0x30 [ 598.983300][ T72] [ 598.985557][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 598.985557][ T72] netdev_get_by_index+0x5e/0x80 [ 598.985557][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.985557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.985557][ T72] ip6_route_add+0x1c/0x140 [ 598.985557][ T72] addrconf_prefix_route+0x2a6/0x430 [ 598.985557][ T72] inet6_addr_add+0x4f8/0xa40 [ 598.985557][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.985557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.985557][ T72] netlink_rcv_skb+0x130/0x360 [ 598.985557][ T72] netlink_unicast+0x449/0x710 [ 598.985557][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.985557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.985557][ T72] ___sys_sendmsg+0xee/0x170 [ 598.985557][ T72] __sys_sendmsg+0xcd/0x170 [ 598.985557][ T72] do_syscall_64+0xc6/0x1e0 [ 598.985557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.985557][ T72] [ 598.988434][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 598.988434][ T72] netdev_get_by_index+0x5e/0x80 [ 598.988434][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.988434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.988434][ T72] addrconf_f6i_alloc+0x315/0x560 [ 598.988434][ T72] ipv6_add_addr+0x411/0x2000 [ 598.988434][ T72] inet6_addr_add+0x30e/0xa40 [ 598.988434][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.988434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.988434][ T72] netlink_rcv_skb+0x130/0x360 [ 598.988434][ T72] netlink_unicast+0x449/0x710 [ 598.988434][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.988434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.988434][ T72] ___sys_sendmsg+0xee/0x170 [ 598.988434][ T72] __sys_sendmsg+0xcd/0x170 [ 598.988434][ T72] do_syscall_64+0xc6/0x1e0 [ 598.988434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.988434][ T72] [ 598.990971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 598.990971][ T72] netdev_get_by_index+0x5e/0x80 [ 598.990971][ T72] fib6_nh_init+0x3d8/0x1580 [ 598.990971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 598.990971][ T72] ip6_route_add+0x1c/0x140 [ 598.990971][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 598.990971][ T72] addrconf_add_dev+0xe2/0x170 [ 598.990971][ T72] inet6_addr_add+0x12f/0xa40 [ 598.990971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 598.990971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.990971][ T72] netlink_rcv_skb+0x130/0x360 [ 598.990971][ T72] netlink_unicast+0x449/0x710 [ 598.990971][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.990971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.990971][ T72] ___sys_sendmsg+0xee/0x170 [ 598.990971][ T72] __sys_sendmsg+0xcd/0x170 [ 598.990971][ T72] do_syscall_64+0xc6/0x1e0 [ 598.990971][ T72] [ 598.993403][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 598.993403][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 598.993403][ T72] ipv6_find_idev+0x102/0x170 [ 598.993403][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 598.993403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.993403][ T72] netlink_rcv_skb+0x130/0x360 [ 598.993403][ T72] netlink_unicast+0x449/0x710 [ 598.993403][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.993403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.993403][ T72] ___sys_sendmsg+0xee/0x170 [ 598.993403][ T72] __sys_sendmsg+0xcd/0x170 [ 598.993403][ T72] do_syscall_64+0xc6/0x1e0 [ 598.993403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.993403][ T72] [ 598.995309][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 598.995309][ T72] neigh_parms_alloc+0x1e5/0x510 [ 598.995309][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 598.995309][ T72] ipv6_find_idev+0x102/0x170 [ 598.995309][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 598.995309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 598.995309][ T72] netlink_rcv_skb+0x130/0x360 [ 598.995309][ T72] netlink_unicast+0x449/0x710 [ 598.995309][ T72] netlink_sendmsg+0x723/0xbe0 [ 598.995309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 598.995309][ T72] ___sys_sendmsg+0xee/0x170 [ 598.995309][ T72] __sys_sendmsg+0xcd/0x170 [ 598.995309][ T72] do_syscall_64+0xc6/0x1e0 [ 598.995309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 598.995309][ T72] [ 609.121030][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 609.121535][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 609.121535][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 609.121535][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 609.121535][ T72] fib6_nh_init+0xa22/0x1580 [ 609.121535][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.121535][ T72] ip6_route_add+0x1c/0x140 [ 609.121535][ T72] inet6_rtm_newroute+0x104/0x110 [ 609.121535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.121535][ T72] netlink_rcv_skb+0x130/0x360 [ 609.121535][ T72] netlink_unicast+0x449/0x710 [ 609.121535][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.121535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.121535][ T72] ___sys_sendmsg+0xee/0x170 [ 609.121535][ T72] __sys_sendmsg+0xcd/0x170 [ 609.121535][ T72] do_syscall_64+0xc6/0x1e0 [ 609.121535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.121535][ T72] [ 609.123595][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 609.123595][ T72] dst_init+0x84/0x4a0 [ 609.123595][ T72] dst_alloc+0x97/0x150 [ 609.123595][ T72] ip6_dst_alloc+0x23/0x90 [ 609.123595][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 609.123595][ T72] ip6_pol_route+0x56f/0x840 [ 609.123595][ T72] fib6_rule_lookup+0x456/0x630 [ 609.123595][ T72] ip6_route_input+0x59c/0xa50 [ 609.123595][ T72] ipv6_rcv+0x397/0x810 [ 609.123595][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 609.123595][ T72] process_backlog+0x101/0x620 [ 609.123595][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 609.123595][ T72] net_rx_action+0x495/0xbe0 [ 609.123595][ T72] __do_softirq+0x1b5/0x7f6 [ 609.123595][ T72] [ 609.125393][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 609.125393][ T72] netdev_get_by_index+0x5e/0x80 [ 609.125393][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.125393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.125393][ T72] ip6_route_add+0x1c/0x140 [ 609.125393][ T72] addrconf_prefix_route+0x2a6/0x430 [ 609.125393][ T72] inet6_addr_add+0x4f8/0xa40 [ 609.125393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.125393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.125393][ T72] netlink_rcv_skb+0x130/0x360 [ 609.125393][ T72] netlink_unicast+0x449/0x710 [ 609.125393][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.125393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.125393][ T72] ___sys_sendmsg+0xee/0x170 [ 609.125393][ T72] __sys_sendmsg+0xcd/0x170 [ 609.125393][ T72] do_syscall_64+0xc6/0x1e0 [ 609.125393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.125393][ T72] [ 609.127556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 609.127556][ T72] netdev_get_by_index+0x5e/0x80 [ 609.127556][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.127556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.127556][ T72] addrconf_f6i_alloc+0x315/0x560 [ 609.127556][ T72] ipv6_add_addr+0x411/0x2000 [ 609.127556][ T72] inet6_addr_add+0x30e/0xa40 [ 609.127556][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.127556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.127556][ T72] netlink_rcv_skb+0x130/0x360 [ 609.127556][ T72] netlink_unicast+0x449/0x710 [ 609.127556][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.127556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.127556][ T72] ___sys_sendmsg+0xee/0x170 [ 609.127556][ T72] __sys_sendmsg+0xcd/0x170 [ 609.127556][ T72] do_syscall_64+0xc6/0x1e0 [ 609.127556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.127556][ T72] [ 609.129722][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 609.129722][ T72] netdev_get_by_index+0x5e/0x80 [ 609.129722][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.129722][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.129722][ T72] ip6_route_add+0x1c/0x140 [ 609.129722][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 609.129722][ T72] addrconf_add_dev+0xe2/0x170 [ 609.129722][ T72] inet6_addr_add+0x12f/0xa40 [ 609.129722][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.129722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.129722][ T72] netlink_rcv_skb+0x130/0x360 [ 609.129722][ T72] netlink_unicast+0x449/0x710 [ 609.129722][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.129722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.129722][ T72] ___sys_sendmsg+0xee/0x170 [ 609.129722][ T72] __sys_sendmsg+0xcd/0x170 [ 609.129722][ T72] do_syscall_64+0xc6/0x1e0 [ 609.129722][ T72] [ 609.131851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 609.131851][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 609.131851][ T72] ipv6_find_idev+0x102/0x170 [ 609.131851][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 609.131851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.131851][ T72] netlink_rcv_skb+0x130/0x360 [ 609.131851][ T72] netlink_unicast+0x449/0x710 [ 609.131851][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.131851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.131851][ T72] ___sys_sendmsg+0xee/0x170 [ 609.131851][ T72] __sys_sendmsg+0xcd/0x170 [ 609.131851][ T72] do_syscall_64+0xc6/0x1e0 [ 609.131851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.131851][ T72] [ 609.133515][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 609.133515][ T72] neigh_parms_alloc+0x1e5/0x510 [ 609.133515][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 609.133515][ T72] ipv6_find_idev+0x102/0x170 [ 609.133515][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 609.133515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.133515][ T72] netlink_rcv_skb+0x130/0x360 [ 609.133515][ T72] netlink_unicast+0x449/0x710 [ 609.133515][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.133515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.133515][ T72] ___sys_sendmsg+0xee/0x170 [ 609.133515][ T72] __sys_sendmsg+0xcd/0x170 [ 609.133515][ T72] do_syscall_64+0xc6/0x1e0 [ 609.133515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.133515][ T72] [ 609.135392][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 609.135683][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 609.135683][ T72] dst_init+0x84/0x4a0 [ 609.135683][ T72] dst_alloc+0x97/0x150 [ 609.135683][ T72] ip6_dst_alloc+0x23/0x90 [ 609.135683][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 609.135683][ T72] ip6_pol_route+0x56f/0x840 [ 609.135683][ T72] fib6_rule_lookup+0x456/0x630 [ 609.135683][ T72] ip6_route_input+0x59c/0xa50 [ 609.135683][ T72] ipv6_rcv+0x397/0x810 [ 609.135683][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 609.135683][ T72] process_backlog+0x101/0x620 [ 609.135683][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 609.135683][ T72] net_rx_action+0x495/0xbe0 [ 609.135683][ T72] __do_softirq+0x1b5/0x7f6 [ 609.135683][ T72] [ 609.137466][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 609.137466][ T72] netdev_get_by_index+0x5e/0x80 [ 609.137466][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.137466][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.137466][ T72] addrconf_f6i_alloc+0x265/0x560 [ 609.137466][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 609.137466][ T72] addrconf_join_anycast+0x1c0/0x220 [ 609.137466][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 609.137466][ T72] addrconf_dad_completed+0x12b/0xe20 [ 609.137466][ T72] addrconf_dad_begin+0x310/0x670 [ 609.137466][ T72] addrconf_dad_work+0x10b/0xab0 [ 609.137466][ T72] process_one_work+0x84d/0x18a0 [ 609.137466][ T72] worker_thread+0x587/0xd30 [ 609.137466][ T72] kthread+0x28a/0x350 [ 609.137466][ T72] ret_from_fork+0x31/0x70 [ 609.137466][ T72] ret_from_fork_asm+0x1a/0x30 [ 609.137466][ T72] [ 609.139553][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 609.139553][ T72] netdev_get_by_index+0x5e/0x80 [ 609.139553][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.139553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.139553][ T72] ip6_route_add+0x1c/0x140 [ 609.139553][ T72] addrconf_prefix_route+0x2a6/0x430 [ 609.139553][ T72] inet6_addr_add+0x4f8/0xa40 [ 609.139553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.139553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.139553][ T72] netlink_rcv_skb+0x130/0x360 [ 609.139553][ T72] netlink_unicast+0x449/0x710 [ 609.139553][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.139553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.139553][ T72] ___sys_sendmsg+0xee/0x170 [ 609.139553][ T72] __sys_sendmsg+0xcd/0x170 [ 609.139553][ T72] do_syscall_64+0xc6/0x1e0 [ 609.139553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.139553][ T72] [ 609.142086][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 609.142086][ T72] netdev_get_by_index+0x5e/0x80 [ 609.142086][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.142086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.142086][ T72] addrconf_f6i_alloc+0x315/0x560 [ 609.142086][ T72] ipv6_add_addr+0x411/0x2000 [ 609.142086][ T72] inet6_addr_add+0x30e/0xa40 [ 609.142086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.142086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.142086][ T72] netlink_rcv_skb+0x130/0x360 [ 609.142086][ T72] netlink_unicast+0x449/0x710 [ 609.142086][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.142086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.142086][ T72] ___sys_sendmsg+0xee/0x170 [ 609.142086][ T72] __sys_sendmsg+0xcd/0x170 [ 609.142086][ T72] do_syscall_64+0xc6/0x1e0 [ 609.142086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.142086][ T72] [ 609.144245][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 609.144245][ T72] netdev_get_by_index+0x5e/0x80 [ 609.144245][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.144245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.144245][ T72] ip6_route_add+0x1c/0x140 [ 609.144245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 609.144245][ T72] addrconf_add_dev+0xe2/0x170 [ 609.144245][ T72] inet6_addr_add+0x12f/0xa40 [ 609.144245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.144245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.144245][ T72] netlink_rcv_skb+0x130/0x360 [ 609.144245][ T72] netlink_unicast+0x449/0x710 [ 609.144245][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.144245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.144245][ T72] ___sys_sendmsg+0xee/0x170 [ 609.144245][ T72] __sys_sendmsg+0xcd/0x170 [ 609.144245][ T72] do_syscall_64+0xc6/0x1e0 [ 609.144245][ T72] [ 609.146389][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 609.146389][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 609.146389][ T72] ipv6_find_idev+0x102/0x170 [ 609.146389][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 609.146389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.146389][ T72] netlink_rcv_skb+0x130/0x360 [ 609.146389][ T72] netlink_unicast+0x449/0x710 [ 609.146389][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.146389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.146389][ T72] ___sys_sendmsg+0xee/0x170 [ 609.146389][ T72] __sys_sendmsg+0xcd/0x170 [ 609.146389][ T72] do_syscall_64+0xc6/0x1e0 [ 609.146389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.146389][ T72] [ 609.148071][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 609.148071][ T72] neigh_parms_alloc+0x1e5/0x510 [ 609.148071][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 609.148071][ T72] ipv6_find_idev+0x102/0x170 [ 609.148071][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 609.148071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.148071][ T72] netlink_rcv_skb+0x130/0x360 [ 609.148071][ T72] netlink_unicast+0x449/0x710 [ 609.148071][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.148071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.148071][ T72] ___sys_sendmsg+0xee/0x170 [ 609.148071][ T72] __sys_sendmsg+0xcd/0x170 [ 609.148071][ T72] do_syscall_64+0xc6/0x1e0 [ 609.148071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.148071][ T72] [ 609.150036][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 609.150330][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 609.150330][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 609.150330][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 609.150330][ T72] fib6_nh_init+0xa22/0x1580 [ 609.150330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.150330][ T72] ip6_route_add+0x1c/0x140 [ 609.150330][ T72] inet6_rtm_newroute+0x104/0x110 [ 609.150330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.150330][ T72] netlink_rcv_skb+0x130/0x360 [ 609.150330][ T72] netlink_unicast+0x449/0x710 [ 609.150330][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.150330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.150330][ T72] ___sys_sendmsg+0xee/0x170 [ 609.150330][ T72] __sys_sendmsg+0xcd/0x170 [ 609.150330][ T72] do_syscall_64+0xc6/0x1e0 [ 609.150330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.150330][ T72] [ 609.152713][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 609.152713][ T72] dst_init+0x84/0x4a0 [ 609.152713][ T72] dst_alloc+0x97/0x150 [ 609.152713][ T72] ip6_dst_alloc+0x23/0x90 [ 609.152713][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 609.152713][ T72] ip6_pol_route+0x56f/0x840 [ 609.152713][ T72] fib6_rule_lookup+0x456/0x630 [ 609.152713][ T72] ip6_route_input+0x59c/0xa50 [ 609.152713][ T72] ipv6_rcv+0x397/0x810 [ 609.152713][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 609.152713][ T72] process_backlog+0x101/0x620 [ 609.152713][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 609.152713][ T72] net_rx_action+0x495/0xbe0 [ 609.152713][ T72] __do_softirq+0x1b5/0x7f6 [ 609.152713][ T72] [ 609.154683][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 609.154683][ T72] netdev_get_by_index+0x5e/0x80 [ 609.154683][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.154683][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.154683][ T72] ip6_route_add+0x1c/0x140 [ 609.154683][ T72] addrconf_prefix_route+0x2a6/0x430 [ 609.154683][ T72] inet6_addr_add+0x4f8/0xa40 [ 609.154683][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.154683][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.154683][ T72] netlink_rcv_skb+0x130/0x360 [ 609.154683][ T72] netlink_unicast+0x449/0x710 [ 609.154683][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.154683][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.154683][ T72] ___sys_sendmsg+0xee/0x170 [ 609.154683][ T72] __sys_sendmsg+0xcd/0x170 [ 609.154683][ T72] do_syscall_64+0xc6/0x1e0 [ 609.154683][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.154683][ T72] [ 609.157113][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 609.157113][ T72] netdev_get_by_index+0x5e/0x80 [ 609.157113][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.157113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.157113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 609.157113][ T72] ipv6_add_addr+0x411/0x2000 [ 609.157113][ T72] inet6_addr_add+0x30e/0xa40 [ 609.157113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.157113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.157113][ T72] netlink_rcv_skb+0x130/0x360 [ 609.157113][ T72] netlink_unicast+0x449/0x710 [ 609.157113][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.157113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.157113][ T72] ___sys_sendmsg+0xee/0x170 [ 609.157113][ T72] __sys_sendmsg+0xcd/0x170 [ 609.157113][ T72] do_syscall_64+0xc6/0x1e0 [ 609.157113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.157113][ T72] [ 609.159470][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 609.159470][ T72] netdev_get_by_index+0x5e/0x80 [ 609.159470][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.159470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.159470][ T72] ip6_route_add+0x1c/0x140 [ 609.159470][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 609.159470][ T72] addrconf_add_dev+0xe2/0x170 [ 609.159470][ T72] inet6_addr_add+0x12f/0xa40 [ 609.159470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.159470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.159470][ T72] netlink_rcv_skb+0x130/0x360 [ 609.159470][ T72] netlink_unicast+0x449/0x710 [ 609.159470][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.159470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.159470][ T72] ___sys_sendmsg+0xee/0x170 [ 609.159470][ T72] __sys_sendmsg+0xcd/0x170 [ 609.159470][ T72] do_syscall_64+0xc6/0x1e0 [ 609.159470][ T72] [ 609.161915][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 609.161915][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 609.161915][ T72] ipv6_find_idev+0x102/0x170 [ 609.161915][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 609.161915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.161915][ T72] netlink_rcv_skb+0x130/0x360 [ 609.161915][ T72] netlink_unicast+0x449/0x710 [ 609.161915][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.161915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.161915][ T72] ___sys_sendmsg+0xee/0x170 [ 609.161915][ T72] __sys_sendmsg+0xcd/0x170 [ 609.161915][ T72] do_syscall_64+0xc6/0x1e0 [ 609.161915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.161915][ T72] [ 609.163771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 609.163771][ T72] neigh_parms_alloc+0x1e5/0x510 [ 609.163771][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 609.163771][ T72] ipv6_find_idev+0x102/0x170 [ 609.163771][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 609.163771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.163771][ T72] netlink_rcv_skb+0x130/0x360 [ 609.163771][ T72] netlink_unicast+0x449/0x710 [ 609.163771][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.163771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.163771][ T72] ___sys_sendmsg+0xee/0x170 [ 609.163771][ T72] __sys_sendmsg+0xcd/0x170 [ 609.163771][ T72] do_syscall_64+0xc6/0x1e0 [ 609.163771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.163771][ T72] [ 609.165821][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 609.166234][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 609.166234][ T72] netdev_get_by_index+0x5e/0x80 [ 609.166234][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.166234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.166234][ T72] addrconf_f6i_alloc+0x265/0x560 [ 609.166234][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 609.166234][ T72] addrconf_join_anycast+0x1c0/0x220 [ 609.166234][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 609.166234][ T72] addrconf_dad_completed+0x12b/0xe20 [ 609.166234][ T72] addrconf_dad_begin+0x310/0x670 [ 609.166234][ T72] addrconf_dad_work+0x10b/0xab0 [ 609.166234][ T72] process_one_work+0x84d/0x18a0 [ 609.166234][ T72] worker_thread+0x587/0xd30 [ 609.166234][ T72] kthread+0x28a/0x350 [ 609.166234][ T72] ret_from_fork+0x31/0x70 [ 609.166234][ T72] ret_from_fork_asm+0x1a/0x30 [ 609.166234][ T72] [ 609.168510][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 609.168510][ T72] netdev_get_by_index+0x5e/0x80 [ 609.168510][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.168510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.168510][ T72] ip6_route_add+0x1c/0x140 [ 609.168510][ T72] addrconf_prefix_route+0x2a6/0x430 [ 609.168510][ T72] inet6_addr_add+0x4f8/0xa40 [ 609.168510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.168510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.168510][ T72] netlink_rcv_skb+0x130/0x360 [ 609.168510][ T72] netlink_unicast+0x449/0x710 [ 609.168510][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.168510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.168510][ T72] ___sys_sendmsg+0xee/0x170 [ 609.168510][ T72] __sys_sendmsg+0xcd/0x170 [ 609.168510][ T72] do_syscall_64+0xc6/0x1e0 [ 609.168510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.168510][ T72] [ 609.170929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 609.170929][ T72] netdev_get_by_index+0x5e/0x80 [ 609.170929][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.170929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.170929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 609.170929][ T72] ipv6_add_addr+0x411/0x2000 [ 609.170929][ T72] inet6_addr_add+0x30e/0xa40 [ 609.170929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.170929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.170929][ T72] netlink_rcv_skb+0x130/0x360 [ 609.170929][ T72] netlink_unicast+0x449/0x710 [ 609.170929][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.170929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.170929][ T72] ___sys_sendmsg+0xee/0x170 [ 609.170929][ T72] __sys_sendmsg+0xcd/0x170 [ 609.170929][ T72] do_syscall_64+0xc6/0x1e0 [ 609.170929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.170929][ T72] [ 609.173349][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 609.173349][ T72] netdev_get_by_index+0x5e/0x80 [ 609.173349][ T72] fib6_nh_init+0x3d8/0x1580 [ 609.173349][ T72] ip6_route_info_create+0xf18/0x17d0 [ 609.173349][ T72] ip6_route_add+0x1c/0x140 [ 609.173349][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 609.173349][ T72] addrconf_add_dev+0xe2/0x170 [ 609.173349][ T72] inet6_addr_add+0x12f/0xa40 [ 609.173349][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 609.173349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.173349][ T72] netlink_rcv_skb+0x130/0x360 [ 609.173349][ T72] netlink_unicast+0x449/0x710 [ 609.173349][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.173349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.173349][ T72] ___sys_sendmsg+0xee/0x170 [ 609.173349][ T72] __sys_sendmsg+0xcd/0x170 [ 609.173349][ T72] do_syscall_64+0xc6/0x1e0 [ 609.173349][ T72] [ 609.175755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 609.175755][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 609.175755][ T72] ipv6_find_idev+0x102/0x170 [ 609.175755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 609.175755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.175755][ T72] netlink_rcv_skb+0x130/0x360 [ 609.175755][ T72] netlink_unicast+0x449/0x710 [ 609.175755][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.175755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.175755][ T72] ___sys_sendmsg+0xee/0x170 [ 609.175755][ T72] __sys_sendmsg+0xcd/0x170 [ 609.175755][ T72] do_syscall_64+0xc6/0x1e0 [ 609.175755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.175755][ T72] [ 609.177645][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 609.177645][ T72] neigh_parms_alloc+0x1e5/0x510 [ 609.177645][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 609.177645][ T72] ipv6_find_idev+0x102/0x170 [ 609.177645][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 609.177645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 609.177645][ T72] netlink_rcv_skb+0x130/0x360 [ 609.177645][ T72] netlink_unicast+0x449/0x710 [ 609.177645][ T72] netlink_sendmsg+0x723/0xbe0 [ 609.177645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 609.177645][ T72] ___sys_sendmsg+0xee/0x170 [ 609.177645][ T72] __sys_sendmsg+0xcd/0x170 [ 609.177645][ T72] do_syscall_64+0xc6/0x1e0 [ 609.177645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 609.177645][ T72] [ 615.720925][ T42] INFO: task modprobe:885 blocked for more than 491 seconds. [ 615.721295][ T42] Not tainted 6.8.0-virtme #1 [ 615.721432][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 615.721657][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 615.721989][ T42] Call Trace: [ 615.722102][ T42] [ 615.722183][ T42] __schedule+0x705/0x1ac0 [ 615.722341][ T42] ? __pfx___schedule+0x10/0x10 [ 615.722481][ T42] ? schedule+0x1a5/0x210 [ 615.722591][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.722741][ T42] ? schedule+0x1a5/0x210 [ 615.722872][ T42] schedule+0xdf/0x210 [ 615.722980][ T42] schedule_preempt_disabled+0x15/0x30 [ 615.723119][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 615.723273][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 615.723449][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.723594][ T42] ? lock_acquire+0x1c1/0x220 [ 615.723737][ T42] ? register_pernet_subsys+0x1a/0x50 [ 615.723900][ T42] down_write+0x1c9/0x200 [ 615.724009][ T42] ? __pfx_down_write+0x10/0x10 [ 615.724147][ T42] ? __lock_release+0x103/0x460 [ 615.724290][ T42] ? __create_object+0x5e/0xb0 [ 615.724436][ T42] ? __pfx___lock_release+0x10/0x10 [ 615.724581][ T42] register_pernet_subsys+0x1a/0x50 [ 615.724745][ T42] tcf_register_action+0xa3/0x600 [ 615.724901][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 615.725084][ T42] do_one_initcall+0xc8/0x3f0 [ 615.725231][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 615.725373][ T42] ? __create_object+0x5e/0xb0 [ 615.725516][ T42] ? kasan_unpoison+0x27/0x60 [ 615.725666][ T42] do_init_module+0x233/0x740 [ 615.725837][ T42] load_module+0x16b5/0x2350 [ 615.725991][ T42] ? __pfx_load_module+0x10/0x10 [ 615.726130][ T42] ? kernel_read_file+0x3d2/0x520 [ 615.726280][ T42] ? kernel_read_file+0x300/0x520 [ 615.726424][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 615.726574][ T42] ? init_module_from_file+0xd2/0x130 [ 615.726713][ T42] init_module_from_file+0xd2/0x130 [ 615.726867][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 615.727041][ T42] ? __lock_release+0x103/0x460 [ 615.727180][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.727333][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.727476][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 615.727618][ T42] idempotent_init_module+0x342/0x620 [ 615.727762][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 615.727961][ T42] __x64_sys_finit_module+0xbe/0x130 [ 615.728105][ T42] do_syscall_64+0xc6/0x1e0 [ 615.728253][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.728429][ T42] RIP: 0033:0x7f41a8dc5e5d [ 615.728572][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 615.728778][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 615.728997][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 615.729211][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 615.729419][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 615.729623][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 615.729861][ T42] [ 615.729968][ T42] [ 615.729968][ T42] Showing all locks held in the system: [ 615.730179][ T42] 2 locks held by kworker/u20:0/39: [ 615.730320][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.730600][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.730916][ T42] 1 lock held by khungtaskd/42: [ 615.731053][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 615.731305][ T42] 3 locks held by kworker/u16:1/72: [ 615.731438][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.731713][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.731969][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 615.732216][ T42] 1 lock held by modprobe/885: [ 615.732355][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 615.732629][ T42] [ 615.732699][ T42] ============================================= [ 615.732699][ T42] [ 619.416982][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 619.417452][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 619.417452][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 619.417452][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 619.417452][ T72] fib6_nh_init+0xa22/0x1580 [ 619.417452][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.417452][ T72] ip6_route_add+0x1c/0x140 [ 619.417452][ T72] inet6_rtm_newroute+0x104/0x110 [ 619.417452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.417452][ T72] netlink_rcv_skb+0x130/0x360 [ 619.417452][ T72] netlink_unicast+0x449/0x710 [ 619.417452][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.417452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.417452][ T72] ___sys_sendmsg+0xee/0x170 [ 619.417452][ T72] __sys_sendmsg+0xcd/0x170 [ 619.417452][ T72] do_syscall_64+0xc6/0x1e0 [ 619.417452][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.417452][ T72] [ 619.419526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 619.419526][ T72] dst_init+0x84/0x4a0 [ 619.419526][ T72] dst_alloc+0x97/0x150 [ 619.419526][ T72] ip6_dst_alloc+0x23/0x90 [ 619.419526][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 619.419526][ T72] ip6_pol_route+0x56f/0x840 [ 619.419526][ T72] fib6_rule_lookup+0x456/0x630 [ 619.419526][ T72] ip6_route_input+0x59c/0xa50 [ 619.419526][ T72] ipv6_rcv+0x397/0x810 [ 619.419526][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 619.419526][ T72] process_backlog+0x101/0x620 [ 619.419526][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 619.419526][ T72] net_rx_action+0x495/0xbe0 [ 619.419526][ T72] __do_softirq+0x1b5/0x7f6 [ 619.419526][ T72] [ 619.421319][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 619.421319][ T72] netdev_get_by_index+0x5e/0x80 [ 619.421319][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.421319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.421319][ T72] ip6_route_add+0x1c/0x140 [ 619.421319][ T72] addrconf_prefix_route+0x2a6/0x430 [ 619.421319][ T72] inet6_addr_add+0x4f8/0xa40 [ 619.421319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.421319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.421319][ T72] netlink_rcv_skb+0x130/0x360 [ 619.421319][ T72] netlink_unicast+0x449/0x710 [ 619.421319][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.421319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.421319][ T72] ___sys_sendmsg+0xee/0x170 [ 619.421319][ T72] __sys_sendmsg+0xcd/0x170 [ 619.421319][ T72] do_syscall_64+0xc6/0x1e0 [ 619.421319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.421319][ T72] [ 619.423528][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 619.423528][ T72] netdev_get_by_index+0x5e/0x80 [ 619.423528][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.423528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.423528][ T72] addrconf_f6i_alloc+0x315/0x560 [ 619.423528][ T72] ipv6_add_addr+0x411/0x2000 [ 619.423528][ T72] inet6_addr_add+0x30e/0xa40 [ 619.423528][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.423528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.423528][ T72] netlink_rcv_skb+0x130/0x360 [ 619.423528][ T72] netlink_unicast+0x449/0x710 [ 619.423528][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.423528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.423528][ T72] ___sys_sendmsg+0xee/0x170 [ 619.423528][ T72] __sys_sendmsg+0xcd/0x170 [ 619.423528][ T72] do_syscall_64+0xc6/0x1e0 [ 619.423528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.423528][ T72] [ 619.425742][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 619.425742][ T72] netdev_get_by_index+0x5e/0x80 [ 619.425742][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.425742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.425742][ T72] ip6_route_add+0x1c/0x140 [ 619.425742][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 619.425742][ T72] addrconf_add_dev+0xe2/0x170 [ 619.425742][ T72] inet6_addr_add+0x12f/0xa40 [ 619.425742][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.425742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.425742][ T72] netlink_rcv_skb+0x130/0x360 [ 619.425742][ T72] netlink_unicast+0x449/0x710 [ 619.425742][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.425742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.425742][ T72] ___sys_sendmsg+0xee/0x170 [ 619.425742][ T72] __sys_sendmsg+0xcd/0x170 [ 619.425742][ T72] do_syscall_64+0xc6/0x1e0 [ 619.425742][ T72] [ 619.427890][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 619.427890][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 619.427890][ T72] ipv6_find_idev+0x102/0x170 [ 619.427890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 619.427890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.427890][ T72] netlink_rcv_skb+0x130/0x360 [ 619.427890][ T72] netlink_unicast+0x449/0x710 [ 619.427890][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.427890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.427890][ T72] ___sys_sendmsg+0xee/0x170 [ 619.427890][ T72] __sys_sendmsg+0xcd/0x170 [ 619.427890][ T72] do_syscall_64+0xc6/0x1e0 [ 619.427890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.427890][ T72] [ 619.429581][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 619.429581][ T72] neigh_parms_alloc+0x1e5/0x510 [ 619.429581][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 619.429581][ T72] ipv6_find_idev+0x102/0x170 [ 619.429581][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 619.429581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.429581][ T72] netlink_rcv_skb+0x130/0x360 [ 619.429581][ T72] netlink_unicast+0x449/0x710 [ 619.429581][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.429581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.429581][ T72] ___sys_sendmsg+0xee/0x170 [ 619.429581][ T72] __sys_sendmsg+0xcd/0x170 [ 619.429581][ T72] do_syscall_64+0xc6/0x1e0 [ 619.429581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.429581][ T72] [ 619.431454][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 619.431751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 619.431751][ T72] dst_init+0x84/0x4a0 [ 619.431751][ T72] dst_alloc+0x97/0x150 [ 619.431751][ T72] ip6_dst_alloc+0x23/0x90 [ 619.431751][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 619.431751][ T72] ip6_pol_route+0x56f/0x840 [ 619.431751][ T72] fib6_rule_lookup+0x456/0x630 [ 619.431751][ T72] ip6_route_input+0x59c/0xa50 [ 619.431751][ T72] ipv6_rcv+0x397/0x810 [ 619.431751][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 619.431751][ T72] process_backlog+0x101/0x620 [ 619.431751][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 619.431751][ T72] net_rx_action+0x495/0xbe0 [ 619.431751][ T72] __do_softirq+0x1b5/0x7f6 [ 619.431751][ T72] [ 619.433547][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 619.433547][ T72] netdev_get_by_index+0x5e/0x80 [ 619.433547][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.433547][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.433547][ T72] addrconf_f6i_alloc+0x265/0x560 [ 619.433547][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 619.433547][ T72] addrconf_join_anycast+0x1c0/0x220 [ 619.433547][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 619.433547][ T72] addrconf_dad_completed+0x12b/0xe20 [ 619.433547][ T72] addrconf_dad_begin+0x310/0x670 [ 619.433547][ T72] addrconf_dad_work+0x10b/0xab0 [ 619.433547][ T72] process_one_work+0x84d/0x18a0 [ 619.433547][ T72] worker_thread+0x587/0xd30 [ 619.433547][ T72] kthread+0x28a/0x350 [ 619.433547][ T72] ret_from_fork+0x31/0x70 [ 619.433547][ T72] ret_from_fork_asm+0x1a/0x30 [ 619.433547][ T72] [ 619.435588][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 619.435588][ T72] netdev_get_by_index+0x5e/0x80 [ 619.435588][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.435588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.435588][ T72] ip6_route_add+0x1c/0x140 [ 619.435588][ T72] addrconf_prefix_route+0x2a6/0x430 [ 619.435588][ T72] inet6_addr_add+0x4f8/0xa40 [ 619.435588][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.435588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.435588][ T72] netlink_rcv_skb+0x130/0x360 [ 619.435588][ T72] netlink_unicast+0x449/0x710 [ 619.435588][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.435588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.435588][ T72] ___sys_sendmsg+0xee/0x170 [ 619.435588][ T72] __sys_sendmsg+0xcd/0x170 [ 619.435588][ T72] do_syscall_64+0xc6/0x1e0 [ 619.435588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.435588][ T72] [ 619.437717][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 619.437717][ T72] netdev_get_by_index+0x5e/0x80 [ 619.437717][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.437717][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.437717][ T72] addrconf_f6i_alloc+0x315/0x560 [ 619.437717][ T72] ipv6_add_addr+0x411/0x2000 [ 619.437717][ T72] inet6_addr_add+0x30e/0xa40 [ 619.437717][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.437717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.437717][ T72] netlink_rcv_skb+0x130/0x360 [ 619.437717][ T72] netlink_unicast+0x449/0x710 [ 619.437717][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.437717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.437717][ T72] ___sys_sendmsg+0xee/0x170 [ 619.437717][ T72] __sys_sendmsg+0xcd/0x170 [ 619.437717][ T72] do_syscall_64+0xc6/0x1e0 [ 619.437717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.437717][ T72] [ 619.439869][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 619.439869][ T72] netdev_get_by_index+0x5e/0x80 [ 619.439869][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.439869][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.439869][ T72] ip6_route_add+0x1c/0x140 [ 619.439869][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 619.439869][ T72] addrconf_add_dev+0xe2/0x170 [ 619.439869][ T72] inet6_addr_add+0x12f/0xa40 [ 619.439869][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.439869][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.439869][ T72] netlink_rcv_skb+0x130/0x360 [ 619.439869][ T72] netlink_unicast+0x449/0x710 [ 619.439869][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.439869][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.439869][ T72] ___sys_sendmsg+0xee/0x170 [ 619.439869][ T72] __sys_sendmsg+0xcd/0x170 [ 619.439869][ T72] do_syscall_64+0xc6/0x1e0 [ 619.439869][ T72] [ 619.441961][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 619.441961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 619.441961][ T72] ipv6_find_idev+0x102/0x170 [ 619.441961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 619.441961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.441961][ T72] netlink_rcv_skb+0x130/0x360 [ 619.441961][ T72] netlink_unicast+0x449/0x710 [ 619.441961][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.441961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.441961][ T72] ___sys_sendmsg+0xee/0x170 [ 619.441961][ T72] __sys_sendmsg+0xcd/0x170 [ 619.441961][ T72] do_syscall_64+0xc6/0x1e0 [ 619.441961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.441961][ T72] [ 619.443609][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 619.443609][ T72] neigh_parms_alloc+0x1e5/0x510 [ 619.443609][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 619.443609][ T72] ipv6_find_idev+0x102/0x170 [ 619.443609][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 619.443609][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.443609][ T72] netlink_rcv_skb+0x130/0x360 [ 619.443609][ T72] netlink_unicast+0x449/0x710 [ 619.443609][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.443609][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.443609][ T72] ___sys_sendmsg+0xee/0x170 [ 619.443609][ T72] __sys_sendmsg+0xcd/0x170 [ 619.443609][ T72] do_syscall_64+0xc6/0x1e0 [ 619.443609][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.443609][ T72] [ 619.445574][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 619.445881][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 619.445881][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 619.445881][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 619.445881][ T72] fib6_nh_init+0xa22/0x1580 [ 619.445881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.445881][ T72] ip6_route_add+0x1c/0x140 [ 619.445881][ T72] inet6_rtm_newroute+0x104/0x110 [ 619.445881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.445881][ T72] netlink_rcv_skb+0x130/0x360 [ 619.445881][ T72] netlink_unicast+0x449/0x710 [ 619.445881][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.445881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.445881][ T72] ___sys_sendmsg+0xee/0x170 [ 619.445881][ T72] __sys_sendmsg+0xcd/0x170 [ 619.445881][ T72] do_syscall_64+0xc6/0x1e0 [ 619.445881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.445881][ T72] [ 619.448208][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 619.448208][ T72] dst_init+0x84/0x4a0 [ 619.448208][ T72] dst_alloc+0x97/0x150 [ 619.448208][ T72] ip6_dst_alloc+0x23/0x90 [ 619.448208][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 619.448208][ T72] ip6_pol_route+0x56f/0x840 [ 619.448208][ T72] fib6_rule_lookup+0x456/0x630 [ 619.448208][ T72] ip6_route_input+0x59c/0xa50 [ 619.448208][ T72] ipv6_rcv+0x397/0x810 [ 619.448208][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 619.448208][ T72] process_backlog+0x101/0x620 [ 619.448208][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 619.448208][ T72] net_rx_action+0x495/0xbe0 [ 619.448208][ T72] __do_softirq+0x1b5/0x7f6 [ 619.448208][ T72] [ 619.450125][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 619.450125][ T72] netdev_get_by_index+0x5e/0x80 [ 619.450125][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.450125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.450125][ T72] ip6_route_add+0x1c/0x140 [ 619.450125][ T72] addrconf_prefix_route+0x2a6/0x430 [ 619.450125][ T72] inet6_addr_add+0x4f8/0xa40 [ 619.450125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.450125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.450125][ T72] netlink_rcv_skb+0x130/0x360 [ 619.450125][ T72] netlink_unicast+0x449/0x710 [ 619.450125][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.450125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.450125][ T72] ___sys_sendmsg+0xee/0x170 [ 619.450125][ T72] __sys_sendmsg+0xcd/0x170 [ 619.450125][ T72] do_syscall_64+0xc6/0x1e0 [ 619.450125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.450125][ T72] [ 619.452495][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 619.452495][ T72] netdev_get_by_index+0x5e/0x80 [ 619.452495][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.452495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.452495][ T72] addrconf_f6i_alloc+0x315/0x560 [ 619.452495][ T72] ipv6_add_addr+0x411/0x2000 [ 619.452495][ T72] inet6_addr_add+0x30e/0xa40 [ 619.452495][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.452495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.452495][ T72] netlink_rcv_skb+0x130/0x360 [ 619.452495][ T72] netlink_unicast+0x449/0x710 [ 619.452495][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.452495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.452495][ T72] ___sys_sendmsg+0xee/0x170 [ 619.452495][ T72] __sys_sendmsg+0xcd/0x170 [ 619.452495][ T72] do_syscall_64+0xc6/0x1e0 [ 619.452495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.452495][ T72] [ 619.455122][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 619.455122][ T72] netdev_get_by_index+0x5e/0x80 [ 619.455122][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.455122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.455122][ T72] ip6_route_add+0x1c/0x140 [ 619.455122][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 619.455122][ T72] addrconf_add_dev+0xe2/0x170 [ 619.455122][ T72] inet6_addr_add+0x12f/0xa40 [ 619.455122][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.455122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.455122][ T72] netlink_rcv_skb+0x130/0x360 [ 619.455122][ T72] netlink_unicast+0x449/0x710 [ 619.455122][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.455122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.455122][ T72] ___sys_sendmsg+0xee/0x170 [ 619.455122][ T72] __sys_sendmsg+0xcd/0x170 [ 619.455122][ T72] do_syscall_64+0xc6/0x1e0 [ 619.455122][ T72] [ 619.457547][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 619.457547][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 619.457547][ T72] ipv6_find_idev+0x102/0x170 [ 619.457547][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 619.457547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.457547][ T72] netlink_rcv_skb+0x130/0x360 [ 619.457547][ T72] netlink_unicast+0x449/0x710 [ 619.457547][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.457547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.457547][ T72] ___sys_sendmsg+0xee/0x170 [ 619.457547][ T72] __sys_sendmsg+0xcd/0x170 [ 619.457547][ T72] do_syscall_64+0xc6/0x1e0 [ 619.457547][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.457547][ T72] [ 619.459361][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 619.459361][ T72] neigh_parms_alloc+0x1e5/0x510 [ 619.459361][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 619.459361][ T72] ipv6_find_idev+0x102/0x170 [ 619.459361][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 619.459361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.459361][ T72] netlink_rcv_skb+0x130/0x360 [ 619.459361][ T72] netlink_unicast+0x449/0x710 [ 619.459361][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.459361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.459361][ T72] ___sys_sendmsg+0xee/0x170 [ 619.459361][ T72] __sys_sendmsg+0xcd/0x170 [ 619.459361][ T72] do_syscall_64+0xc6/0x1e0 [ 619.459361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.459361][ T72] [ 619.461306][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 619.461670][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 619.461670][ T72] netdev_get_by_index+0x5e/0x80 [ 619.461670][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.461670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.461670][ T72] addrconf_f6i_alloc+0x265/0x560 [ 619.461670][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 619.461670][ T72] addrconf_join_anycast+0x1c0/0x220 [ 619.461670][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 619.461670][ T72] addrconf_dad_completed+0x12b/0xe20 [ 619.461670][ T72] addrconf_dad_begin+0x310/0x670 [ 619.461670][ T72] addrconf_dad_work+0x10b/0xab0 [ 619.461670][ T72] process_one_work+0x84d/0x18a0 [ 619.461670][ T72] worker_thread+0x587/0xd30 [ 619.461670][ T72] kthread+0x28a/0x350 [ 619.461670][ T72] ret_from_fork+0x31/0x70 [ 619.461670][ T72] ret_from_fork_asm+0x1a/0x30 [ 619.461670][ T72] [ 619.463847][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 619.463847][ T72] netdev_get_by_index+0x5e/0x80 [ 619.463847][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.463847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.463847][ T72] ip6_route_add+0x1c/0x140 [ 619.463847][ T72] addrconf_prefix_route+0x2a6/0x430 [ 619.463847][ T72] inet6_addr_add+0x4f8/0xa40 [ 619.463847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.463847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.463847][ T72] netlink_rcv_skb+0x130/0x360 [ 619.463847][ T72] netlink_unicast+0x449/0x710 [ 619.463847][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.463847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.463847][ T72] ___sys_sendmsg+0xee/0x170 [ 619.463847][ T72] __sys_sendmsg+0xcd/0x170 [ 619.463847][ T72] do_syscall_64+0xc6/0x1e0 [ 619.463847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.463847][ T72] [ 619.466252][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 619.466252][ T72] netdev_get_by_index+0x5e/0x80 [ 619.466252][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.466252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.466252][ T72] addrconf_f6i_alloc+0x315/0x560 [ 619.466252][ T72] ipv6_add_addr+0x411/0x2000 [ 619.466252][ T72] inet6_addr_add+0x30e/0xa40 [ 619.466252][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.466252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.466252][ T72] netlink_rcv_skb+0x130/0x360 [ 619.466252][ T72] netlink_unicast+0x449/0x710 [ 619.466252][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.466252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.466252][ T72] ___sys_sendmsg+0xee/0x170 [ 619.466252][ T72] __sys_sendmsg+0xcd/0x170 [ 619.466252][ T72] do_syscall_64+0xc6/0x1e0 [ 619.466252][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.466252][ T72] [ 619.468715][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 619.468715][ T72] netdev_get_by_index+0x5e/0x80 [ 619.468715][ T72] fib6_nh_init+0x3d8/0x1580 [ 619.468715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 619.468715][ T72] ip6_route_add+0x1c/0x140 [ 619.468715][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 619.468715][ T72] addrconf_add_dev+0xe2/0x170 [ 619.468715][ T72] inet6_addr_add+0x12f/0xa40 [ 619.468715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 619.468715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.468715][ T72] netlink_rcv_skb+0x130/0x360 [ 619.468715][ T72] netlink_unicast+0x449/0x710 [ 619.468715][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.468715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.468715][ T72] ___sys_sendmsg+0xee/0x170 [ 619.468715][ T72] __sys_sendmsg+0xcd/0x170 [ 619.468715][ T72] do_syscall_64+0xc6/0x1e0 [ 619.468715][ T72] [ 619.471069][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 619.471069][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 619.471069][ T72] ipv6_find_idev+0x102/0x170 [ 619.471069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 619.471069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.471069][ T72] netlink_rcv_skb+0x130/0x360 [ 619.471069][ T72] netlink_unicast+0x449/0x710 [ 619.471069][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.471069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.471069][ T72] ___sys_sendmsg+0xee/0x170 [ 619.471069][ T72] __sys_sendmsg+0xcd/0x170 [ 619.471069][ T72] do_syscall_64+0xc6/0x1e0 [ 619.471069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.471069][ T72] [ 619.472908][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 619.472908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 619.472908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 619.472908][ T72] ipv6_find_idev+0x102/0x170 [ 619.472908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 619.472908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 619.472908][ T72] netlink_rcv_skb+0x130/0x360 [ 619.472908][ T72] netlink_unicast+0x449/0x710 [ 619.472908][ T72] netlink_sendmsg+0x723/0xbe0 [ 619.472908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 619.472908][ T72] ___sys_sendmsg+0xee/0x170 [ 619.472908][ T72] __sys_sendmsg+0xcd/0x170 [ 619.472908][ T72] do_syscall_64+0xc6/0x1e0 [ 619.472908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 619.472908][ T72] [ 629.712910][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 629.713378][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 629.713378][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 629.713378][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 629.713378][ T72] fib6_nh_init+0xa22/0x1580 [ 629.713378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.713378][ T72] ip6_route_add+0x1c/0x140 [ 629.713378][ T72] inet6_rtm_newroute+0x104/0x110 [ 629.713378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.713378][ T72] netlink_rcv_skb+0x130/0x360 [ 629.713378][ T72] netlink_unicast+0x449/0x710 [ 629.713378][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.713378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.713378][ T72] ___sys_sendmsg+0xee/0x170 [ 629.713378][ T72] __sys_sendmsg+0xcd/0x170 [ 629.713378][ T72] do_syscall_64+0xc6/0x1e0 [ 629.713378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.713378][ T72] [ 629.715469][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 629.715469][ T72] dst_init+0x84/0x4a0 [ 629.715469][ T72] dst_alloc+0x97/0x150 [ 629.715469][ T72] ip6_dst_alloc+0x23/0x90 [ 629.715469][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 629.715469][ T72] ip6_pol_route+0x56f/0x840 [ 629.715469][ T72] fib6_rule_lookup+0x456/0x630 [ 629.715469][ T72] ip6_route_input+0x59c/0xa50 [ 629.715469][ T72] ipv6_rcv+0x397/0x810 [ 629.715469][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 629.715469][ T72] process_backlog+0x101/0x620 [ 629.715469][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 629.715469][ T72] net_rx_action+0x495/0xbe0 [ 629.715469][ T72] __do_softirq+0x1b5/0x7f6 [ 629.715469][ T72] [ 629.717258][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 629.717258][ T72] netdev_get_by_index+0x5e/0x80 [ 629.717258][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.717258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.717258][ T72] ip6_route_add+0x1c/0x140 [ 629.717258][ T72] addrconf_prefix_route+0x2a6/0x430 [ 629.717258][ T72] inet6_addr_add+0x4f8/0xa40 [ 629.717258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.717258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.717258][ T72] netlink_rcv_skb+0x130/0x360 [ 629.717258][ T72] netlink_unicast+0x449/0x710 [ 629.717258][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.717258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.717258][ T72] ___sys_sendmsg+0xee/0x170 [ 629.717258][ T72] __sys_sendmsg+0xcd/0x170 [ 629.717258][ T72] do_syscall_64+0xc6/0x1e0 [ 629.717258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.717258][ T72] [ 629.719428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 629.719428][ T72] netdev_get_by_index+0x5e/0x80 [ 629.719428][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.719428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.719428][ T72] addrconf_f6i_alloc+0x315/0x560 [ 629.719428][ T72] ipv6_add_addr+0x411/0x2000 [ 629.719428][ T72] inet6_addr_add+0x30e/0xa40 [ 629.719428][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.719428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.719428][ T72] netlink_rcv_skb+0x130/0x360 [ 629.719428][ T72] netlink_unicast+0x449/0x710 [ 629.719428][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.719428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.719428][ T72] ___sys_sendmsg+0xee/0x170 [ 629.719428][ T72] __sys_sendmsg+0xcd/0x170 [ 629.719428][ T72] do_syscall_64+0xc6/0x1e0 [ 629.719428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.719428][ T72] [ 629.721595][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 629.721595][ T72] netdev_get_by_index+0x5e/0x80 [ 629.721595][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.721595][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.721595][ T72] ip6_route_add+0x1c/0x140 [ 629.721595][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 629.721595][ T72] addrconf_add_dev+0xe2/0x170 [ 629.721595][ T72] inet6_addr_add+0x12f/0xa40 [ 629.721595][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.721595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.721595][ T72] netlink_rcv_skb+0x130/0x360 [ 629.721595][ T72] netlink_unicast+0x449/0x710 [ 629.721595][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.721595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.721595][ T72] ___sys_sendmsg+0xee/0x170 [ 629.721595][ T72] __sys_sendmsg+0xcd/0x170 [ 629.721595][ T72] do_syscall_64+0xc6/0x1e0 [ 629.721595][ T72] [ 629.723739][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 629.723739][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 629.723739][ T72] ipv6_find_idev+0x102/0x170 [ 629.723739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 629.723739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.723739][ T72] netlink_rcv_skb+0x130/0x360 [ 629.723739][ T72] netlink_unicast+0x449/0x710 [ 629.723739][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.723739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.723739][ T72] ___sys_sendmsg+0xee/0x170 [ 629.723739][ T72] __sys_sendmsg+0xcd/0x170 [ 629.723739][ T72] do_syscall_64+0xc6/0x1e0 [ 629.723739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.723739][ T72] [ 629.725427][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 629.725427][ T72] neigh_parms_alloc+0x1e5/0x510 [ 629.725427][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 629.725427][ T72] ipv6_find_idev+0x102/0x170 [ 629.725427][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 629.725427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.725427][ T72] netlink_rcv_skb+0x130/0x360 [ 629.725427][ T72] netlink_unicast+0x449/0x710 [ 629.725427][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.725427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.725427][ T72] ___sys_sendmsg+0xee/0x170 [ 629.725427][ T72] __sys_sendmsg+0xcd/0x170 [ 629.725427][ T72] do_syscall_64+0xc6/0x1e0 [ 629.725427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.725427][ T72] [ 629.727281][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 629.727583][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 629.727583][ T72] dst_init+0x84/0x4a0 [ 629.727583][ T72] dst_alloc+0x97/0x150 [ 629.727583][ T72] ip6_dst_alloc+0x23/0x90 [ 629.727583][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 629.727583][ T72] ip6_pol_route+0x56f/0x840 [ 629.727583][ T72] fib6_rule_lookup+0x456/0x630 [ 629.727583][ T72] ip6_route_input+0x59c/0xa50 [ 629.727583][ T72] ipv6_rcv+0x397/0x810 [ 629.727583][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 629.727583][ T72] process_backlog+0x101/0x620 [ 629.727583][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 629.727583][ T72] net_rx_action+0x495/0xbe0 [ 629.727583][ T72] __do_softirq+0x1b5/0x7f6 [ 629.727583][ T72] [ 629.729367][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 629.729367][ T72] netdev_get_by_index+0x5e/0x80 [ 629.729367][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.729367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.729367][ T72] addrconf_f6i_alloc+0x265/0x560 [ 629.729367][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 629.729367][ T72] addrconf_join_anycast+0x1c0/0x220 [ 629.729367][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 629.729367][ T72] addrconf_dad_completed+0x12b/0xe20 [ 629.729367][ T72] addrconf_dad_begin+0x310/0x670 [ 629.729367][ T72] addrconf_dad_work+0x10b/0xab0 [ 629.729367][ T72] process_one_work+0x84d/0x18a0 [ 629.729367][ T72] worker_thread+0x587/0xd30 [ 629.729367][ T72] kthread+0x28a/0x350 [ 629.729367][ T72] ret_from_fork+0x31/0x70 [ 629.729367][ T72] ret_from_fork_asm+0x1a/0x30 [ 629.729367][ T72] [ 629.731442][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 629.731442][ T72] netdev_get_by_index+0x5e/0x80 [ 629.731442][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.731442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.731442][ T72] ip6_route_add+0x1c/0x140 [ 629.731442][ T72] addrconf_prefix_route+0x2a6/0x430 [ 629.731442][ T72] inet6_addr_add+0x4f8/0xa40 [ 629.731442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.731442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.731442][ T72] netlink_rcv_skb+0x130/0x360 [ 629.731442][ T72] netlink_unicast+0x449/0x710 [ 629.731442][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.731442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.731442][ T72] ___sys_sendmsg+0xee/0x170 [ 629.731442][ T72] __sys_sendmsg+0xcd/0x170 [ 629.731442][ T72] do_syscall_64+0xc6/0x1e0 [ 629.731442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.731442][ T72] [ 629.733617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 629.733617][ T72] netdev_get_by_index+0x5e/0x80 [ 629.733617][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.733617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.733617][ T72] addrconf_f6i_alloc+0x315/0x560 [ 629.733617][ T72] ipv6_add_addr+0x411/0x2000 [ 629.733617][ T72] inet6_addr_add+0x30e/0xa40 [ 629.733617][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.733617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.733617][ T72] netlink_rcv_skb+0x130/0x360 [ 629.733617][ T72] netlink_unicast+0x449/0x710 [ 629.733617][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.733617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.733617][ T72] ___sys_sendmsg+0xee/0x170 [ 629.733617][ T72] __sys_sendmsg+0xcd/0x170 [ 629.733617][ T72] do_syscall_64+0xc6/0x1e0 [ 629.733617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.733617][ T72] [ 629.735794][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 629.735794][ T72] netdev_get_by_index+0x5e/0x80 [ 629.735794][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.735794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.735794][ T72] ip6_route_add+0x1c/0x140 [ 629.735794][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 629.735794][ T72] addrconf_add_dev+0xe2/0x170 [ 629.735794][ T72] inet6_addr_add+0x12f/0xa40 [ 629.735794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.735794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.735794][ T72] netlink_rcv_skb+0x130/0x360 [ 629.735794][ T72] netlink_unicast+0x449/0x710 [ 629.735794][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.735794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.735794][ T72] ___sys_sendmsg+0xee/0x170 [ 629.735794][ T72] __sys_sendmsg+0xcd/0x170 [ 629.735794][ T72] do_syscall_64+0xc6/0x1e0 [ 629.735794][ T72] [ 629.737928][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 629.737928][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 629.737928][ T72] ipv6_find_idev+0x102/0x170 [ 629.737928][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 629.737928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.737928][ T72] netlink_rcv_skb+0x130/0x360 [ 629.737928][ T72] netlink_unicast+0x449/0x710 [ 629.737928][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.737928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.737928][ T72] ___sys_sendmsg+0xee/0x170 [ 629.737928][ T72] __sys_sendmsg+0xcd/0x170 [ 629.737928][ T72] do_syscall_64+0xc6/0x1e0 [ 629.737928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.737928][ T72] [ 629.739598][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 629.739598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 629.739598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 629.739598][ T72] ipv6_find_idev+0x102/0x170 [ 629.739598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 629.739598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.739598][ T72] netlink_rcv_skb+0x130/0x360 [ 629.739598][ T72] netlink_unicast+0x449/0x710 [ 629.739598][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.739598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.739598][ T72] ___sys_sendmsg+0xee/0x170 [ 629.739598][ T72] __sys_sendmsg+0xcd/0x170 [ 629.739598][ T72] do_syscall_64+0xc6/0x1e0 [ 629.739598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.739598][ T72] [ 629.741540][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 629.741860][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 629.741860][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 629.741860][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 629.741860][ T72] fib6_nh_init+0xa22/0x1580 [ 629.741860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.741860][ T72] ip6_route_add+0x1c/0x140 [ 629.741860][ T72] inet6_rtm_newroute+0x104/0x110 [ 629.741860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.741860][ T72] netlink_rcv_skb+0x130/0x360 [ 629.741860][ T72] netlink_unicast+0x449/0x710 [ 629.741860][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.741860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.741860][ T72] ___sys_sendmsg+0xee/0x170 [ 629.741860][ T72] __sys_sendmsg+0xcd/0x170 [ 629.741860][ T72] do_syscall_64+0xc6/0x1e0 [ 629.741860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.741860][ T72] [ 629.744216][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 629.744216][ T72] dst_init+0x84/0x4a0 [ 629.744216][ T72] dst_alloc+0x97/0x150 [ 629.744216][ T72] ip6_dst_alloc+0x23/0x90 [ 629.744216][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 629.744216][ T72] ip6_pol_route+0x56f/0x840 [ 629.744216][ T72] fib6_rule_lookup+0x456/0x630 [ 629.744216][ T72] ip6_route_input+0x59c/0xa50 [ 629.744216][ T72] ipv6_rcv+0x397/0x810 [ 629.744216][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 629.744216][ T72] process_backlog+0x101/0x620 [ 629.744216][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 629.744216][ T72] net_rx_action+0x495/0xbe0 [ 629.744216][ T72] __do_softirq+0x1b5/0x7f6 [ 629.744216][ T72] [ 629.746194][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 629.746194][ T72] netdev_get_by_index+0x5e/0x80 [ 629.746194][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.746194][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.746194][ T72] ip6_route_add+0x1c/0x140 [ 629.746194][ T72] addrconf_prefix_route+0x2a6/0x430 [ 629.746194][ T72] inet6_addr_add+0x4f8/0xa40 [ 629.746194][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.746194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.746194][ T72] netlink_rcv_skb+0x130/0x360 [ 629.746194][ T72] netlink_unicast+0x449/0x710 [ 629.746194][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.746194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.746194][ T72] ___sys_sendmsg+0xee/0x170 [ 629.746194][ T72] __sys_sendmsg+0xcd/0x170 [ 629.746194][ T72] do_syscall_64+0xc6/0x1e0 [ 629.746194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.746194][ T72] [ 629.748600][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 629.748600][ T72] netdev_get_by_index+0x5e/0x80 [ 629.748600][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.748600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.748600][ T72] addrconf_f6i_alloc+0x315/0x560 [ 629.748600][ T72] ipv6_add_addr+0x411/0x2000 [ 629.748600][ T72] inet6_addr_add+0x30e/0xa40 [ 629.748600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.748600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.748600][ T72] netlink_rcv_skb+0x130/0x360 [ 629.748600][ T72] netlink_unicast+0x449/0x710 [ 629.748600][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.748600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.748600][ T72] ___sys_sendmsg+0xee/0x170 [ 629.748600][ T72] __sys_sendmsg+0xcd/0x170 [ 629.748600][ T72] do_syscall_64+0xc6/0x1e0 [ 629.748600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.748600][ T72] [ 629.750952][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 629.750952][ T72] netdev_get_by_index+0x5e/0x80 [ 629.750952][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.750952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.750952][ T72] ip6_route_add+0x1c/0x140 [ 629.750952][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 629.750952][ T72] addrconf_add_dev+0xe2/0x170 [ 629.750952][ T72] inet6_addr_add+0x12f/0xa40 [ 629.750952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.750952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.750952][ T72] netlink_rcv_skb+0x130/0x360 [ 629.750952][ T72] netlink_unicast+0x449/0x710 [ 629.750952][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.750952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.750952][ T72] ___sys_sendmsg+0xee/0x170 [ 629.750952][ T72] __sys_sendmsg+0xcd/0x170 [ 629.750952][ T72] do_syscall_64+0xc6/0x1e0 [ 629.750952][ T72] [ 629.753404][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 629.753404][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 629.753404][ T72] ipv6_find_idev+0x102/0x170 [ 629.753404][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 629.753404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.753404][ T72] netlink_rcv_skb+0x130/0x360 [ 629.753404][ T72] netlink_unicast+0x449/0x710 [ 629.753404][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.753404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.753404][ T72] ___sys_sendmsg+0xee/0x170 [ 629.753404][ T72] __sys_sendmsg+0xcd/0x170 [ 629.753404][ T72] do_syscall_64+0xc6/0x1e0 [ 629.753404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.753404][ T72] [ 629.755264][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 629.755264][ T72] neigh_parms_alloc+0x1e5/0x510 [ 629.755264][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 629.755264][ T72] ipv6_find_idev+0x102/0x170 [ 629.755264][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 629.755264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.755264][ T72] netlink_rcv_skb+0x130/0x360 [ 629.755264][ T72] netlink_unicast+0x449/0x710 [ 629.755264][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.755264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.755264][ T72] ___sys_sendmsg+0xee/0x170 [ 629.755264][ T72] __sys_sendmsg+0xcd/0x170 [ 629.755264][ T72] do_syscall_64+0xc6/0x1e0 [ 629.755264][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.755264][ T72] [ 629.757285][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 629.757646][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 629.757646][ T72] netdev_get_by_index+0x5e/0x80 [ 629.757646][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.757646][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.757646][ T72] addrconf_f6i_alloc+0x265/0x560 [ 629.757646][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 629.757646][ T72] addrconf_join_anycast+0x1c0/0x220 [ 629.757646][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 629.757646][ T72] addrconf_dad_completed+0x12b/0xe20 [ 629.757646][ T72] addrconf_dad_begin+0x310/0x670 [ 629.757646][ T72] addrconf_dad_work+0x10b/0xab0 [ 629.757646][ T72] process_one_work+0x84d/0x18a0 [ 629.757646][ T72] worker_thread+0x587/0xd30 [ 629.757646][ T72] kthread+0x28a/0x350 [ 629.757646][ T72] ret_from_fork+0x31/0x70 [ 629.757646][ T72] ret_from_fork_asm+0x1a/0x30 [ 629.757646][ T72] [ 629.759840][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 629.759840][ T72] netdev_get_by_index+0x5e/0x80 [ 629.759840][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.759840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.759840][ T72] ip6_route_add+0x1c/0x140 [ 629.759840][ T72] addrconf_prefix_route+0x2a6/0x430 [ 629.759840][ T72] inet6_addr_add+0x4f8/0xa40 [ 629.759840][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.759840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.759840][ T72] netlink_rcv_skb+0x130/0x360 [ 629.759840][ T72] netlink_unicast+0x449/0x710 [ 629.759840][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.759840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.759840][ T72] ___sys_sendmsg+0xee/0x170 [ 629.759840][ T72] __sys_sendmsg+0xcd/0x170 [ 629.759840][ T72] do_syscall_64+0xc6/0x1e0 [ 629.759840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.759840][ T72] [ 629.762263][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 629.762263][ T72] netdev_get_by_index+0x5e/0x80 [ 629.762263][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.762263][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.762263][ T72] addrconf_f6i_alloc+0x315/0x560 [ 629.762263][ T72] ipv6_add_addr+0x411/0x2000 [ 629.762263][ T72] inet6_addr_add+0x30e/0xa40 [ 629.762263][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.762263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.762263][ T72] netlink_rcv_skb+0x130/0x360 [ 629.762263][ T72] netlink_unicast+0x449/0x710 [ 629.762263][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.762263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.762263][ T72] ___sys_sendmsg+0xee/0x170 [ 629.762263][ T72] __sys_sendmsg+0xcd/0x170 [ 629.762263][ T72] do_syscall_64+0xc6/0x1e0 [ 629.762263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.762263][ T72] [ 629.764836][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 629.764836][ T72] netdev_get_by_index+0x5e/0x80 [ 629.764836][ T72] fib6_nh_init+0x3d8/0x1580 [ 629.764836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 629.764836][ T72] ip6_route_add+0x1c/0x140 [ 629.764836][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 629.764836][ T72] addrconf_add_dev+0xe2/0x170 [ 629.764836][ T72] inet6_addr_add+0x12f/0xa40 [ 629.764836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 629.764836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.764836][ T72] netlink_rcv_skb+0x130/0x360 [ 629.764836][ T72] netlink_unicast+0x449/0x710 [ 629.764836][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.764836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.764836][ T72] ___sys_sendmsg+0xee/0x170 [ 629.764836][ T72] __sys_sendmsg+0xcd/0x170 [ 629.764836][ T72] do_syscall_64+0xc6/0x1e0 [ 629.764836][ T72] [ 629.767027][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 629.767027][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 629.767027][ T72] ipv6_find_idev+0x102/0x170 [ 629.767027][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 629.767027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.767027][ T72] netlink_rcv_skb+0x130/0x360 [ 629.767027][ T72] netlink_unicast+0x449/0x710 [ 629.767027][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.767027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.767027][ T72] ___sys_sendmsg+0xee/0x170 [ 629.767027][ T72] __sys_sendmsg+0xcd/0x170 [ 629.767027][ T72] do_syscall_64+0xc6/0x1e0 [ 629.767027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.767027][ T72] [ 629.768738][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 629.768738][ T72] neigh_parms_alloc+0x1e5/0x510 [ 629.768738][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 629.768738][ T72] ipv6_find_idev+0x102/0x170 [ 629.768738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 629.768738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 629.768738][ T72] netlink_rcv_skb+0x130/0x360 [ 629.768738][ T72] netlink_unicast+0x449/0x710 [ 629.768738][ T72] netlink_sendmsg+0x723/0xbe0 [ 629.768738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 629.768738][ T72] ___sys_sendmsg+0xee/0x170 [ 629.768738][ T72] __sys_sendmsg+0xcd/0x170 [ 629.768738][ T72] do_syscall_64+0xc6/0x1e0 [ 629.768738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 629.768738][ T72] [ 639.832981][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 639.833506][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 639.833506][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 639.833506][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 639.833506][ T72] fib6_nh_init+0xa22/0x1580 [ 639.833506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.833506][ T72] ip6_route_add+0x1c/0x140 [ 639.833506][ T72] inet6_rtm_newroute+0x104/0x110 [ 639.833506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.833506][ T72] netlink_rcv_skb+0x130/0x360 [ 639.833506][ T72] netlink_unicast+0x449/0x710 [ 639.833506][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.833506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.833506][ T72] ___sys_sendmsg+0xee/0x170 [ 639.833506][ T72] __sys_sendmsg+0xcd/0x170 [ 639.833506][ T72] do_syscall_64+0xc6/0x1e0 [ 639.833506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.833506][ T72] [ 639.835435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 639.835435][ T72] dst_init+0x84/0x4a0 [ 639.835435][ T72] dst_alloc+0x97/0x150 [ 639.835435][ T72] ip6_dst_alloc+0x23/0x90 [ 639.835435][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 639.835435][ T72] ip6_pol_route+0x56f/0x840 [ 639.835435][ T72] fib6_rule_lookup+0x456/0x630 [ 639.835435][ T72] ip6_route_input+0x59c/0xa50 [ 639.835435][ T72] ipv6_rcv+0x397/0x810 [ 639.835435][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 639.835435][ T72] process_backlog+0x101/0x620 [ 639.835435][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 639.835435][ T72] net_rx_action+0x495/0xbe0 [ 639.835435][ T72] __do_softirq+0x1b5/0x7f6 [ 639.835435][ T72] [ 639.837106][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 639.837106][ T72] netdev_get_by_index+0x5e/0x80 [ 639.837106][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.837106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.837106][ T72] ip6_route_add+0x1c/0x140 [ 639.837106][ T72] addrconf_prefix_route+0x2a6/0x430 [ 639.837106][ T72] inet6_addr_add+0x4f8/0xa40 [ 639.837106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.837106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.837106][ T72] netlink_rcv_skb+0x130/0x360 [ 639.837106][ T72] netlink_unicast+0x449/0x710 [ 639.837106][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.837106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.837106][ T72] ___sys_sendmsg+0xee/0x170 [ 639.837106][ T72] __sys_sendmsg+0xcd/0x170 [ 639.837106][ T72] do_syscall_64+0xc6/0x1e0 [ 639.837106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.837106][ T72] [ 639.839121][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 639.839121][ T72] netdev_get_by_index+0x5e/0x80 [ 639.839121][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.839121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.839121][ T72] addrconf_f6i_alloc+0x315/0x560 [ 639.839121][ T72] ipv6_add_addr+0x411/0x2000 [ 639.839121][ T72] inet6_addr_add+0x30e/0xa40 [ 639.839121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.839121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.839121][ T72] netlink_rcv_skb+0x130/0x360 [ 639.839121][ T72] netlink_unicast+0x449/0x710 [ 639.839121][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.839121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.839121][ T72] ___sys_sendmsg+0xee/0x170 [ 639.839121][ T72] __sys_sendmsg+0xcd/0x170 [ 639.839121][ T72] do_syscall_64+0xc6/0x1e0 [ 639.839121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.839121][ T72] [ 639.841152][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 639.841152][ T72] netdev_get_by_index+0x5e/0x80 [ 639.841152][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.841152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.841152][ T72] ip6_route_add+0x1c/0x140 [ 639.841152][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 639.841152][ T72] addrconf_add_dev+0xe2/0x170 [ 639.841152][ T72] inet6_addr_add+0x12f/0xa40 [ 639.841152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.841152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.841152][ T72] netlink_rcv_skb+0x130/0x360 [ 639.841152][ T72] netlink_unicast+0x449/0x710 [ 639.841152][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.841152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.841152][ T72] ___sys_sendmsg+0xee/0x170 [ 639.841152][ T72] __sys_sendmsg+0xcd/0x170 [ 639.841152][ T72] do_syscall_64+0xc6/0x1e0 [ 639.841152][ T72] [ 639.843132][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 639.843132][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 639.843132][ T72] ipv6_find_idev+0x102/0x170 [ 639.843132][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 639.843132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.843132][ T72] netlink_rcv_skb+0x130/0x360 [ 639.843132][ T72] netlink_unicast+0x449/0x710 [ 639.843132][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.843132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.843132][ T72] ___sys_sendmsg+0xee/0x170 [ 639.843132][ T72] __sys_sendmsg+0xcd/0x170 [ 639.843132][ T72] do_syscall_64+0xc6/0x1e0 [ 639.843132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.843132][ T72] [ 639.844687][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 639.844687][ T72] neigh_parms_alloc+0x1e5/0x510 [ 639.844687][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 639.844687][ T72] ipv6_find_idev+0x102/0x170 [ 639.844687][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 639.844687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.844687][ T72] netlink_rcv_skb+0x130/0x360 [ 639.844687][ T72] netlink_unicast+0x449/0x710 [ 639.844687][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.844687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.844687][ T72] ___sys_sendmsg+0xee/0x170 [ 639.844687][ T72] __sys_sendmsg+0xcd/0x170 [ 639.844687][ T72] do_syscall_64+0xc6/0x1e0 [ 639.844687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.844687][ T72] [ 639.846548][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 639.846825][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 639.846825][ T72] dst_init+0x84/0x4a0 [ 639.846825][ T72] dst_alloc+0x97/0x150 [ 639.846825][ T72] ip6_dst_alloc+0x23/0x90 [ 639.846825][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 639.846825][ T72] ip6_pol_route+0x56f/0x840 [ 639.846825][ T72] fib6_rule_lookup+0x456/0x630 [ 639.846825][ T72] ip6_route_input+0x59c/0xa50 [ 639.846825][ T72] ipv6_rcv+0x397/0x810 [ 639.846825][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 639.846825][ T72] process_backlog+0x101/0x620 [ 639.846825][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 639.846825][ T72] net_rx_action+0x495/0xbe0 [ 639.846825][ T72] __do_softirq+0x1b5/0x7f6 [ 639.846825][ T72] [ 639.848484][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 639.848484][ T72] netdev_get_by_index+0x5e/0x80 [ 639.848484][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.848484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.848484][ T72] addrconf_f6i_alloc+0x265/0x560 [ 639.848484][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 639.848484][ T72] addrconf_join_anycast+0x1c0/0x220 [ 639.848484][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 639.848484][ T72] addrconf_dad_completed+0x12b/0xe20 [ 639.848484][ T72] addrconf_dad_begin+0x310/0x670 [ 639.848484][ T72] addrconf_dad_work+0x10b/0xab0 [ 639.848484][ T72] process_one_work+0x84d/0x18a0 [ 639.848484][ T72] worker_thread+0x587/0xd30 [ 639.848484][ T72] kthread+0x28a/0x350 [ 639.848484][ T72] ret_from_fork+0x31/0x70 [ 639.848484][ T72] ret_from_fork_asm+0x1a/0x30 [ 639.848484][ T72] [ 639.850423][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 639.850423][ T72] netdev_get_by_index+0x5e/0x80 [ 639.850423][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.850423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.850423][ T72] ip6_route_add+0x1c/0x140 [ 639.850423][ T72] addrconf_prefix_route+0x2a6/0x430 [ 639.850423][ T72] inet6_addr_add+0x4f8/0xa40 [ 639.850423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.850423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.850423][ T72] netlink_rcv_skb+0x130/0x360 [ 639.850423][ T72] netlink_unicast+0x449/0x710 [ 639.850423][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.850423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.850423][ T72] ___sys_sendmsg+0xee/0x170 [ 639.850423][ T72] __sys_sendmsg+0xcd/0x170 [ 639.850423][ T72] do_syscall_64+0xc6/0x1e0 [ 639.850423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.850423][ T72] [ 639.852440][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 639.852440][ T72] netdev_get_by_index+0x5e/0x80 [ 639.852440][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.852440][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.852440][ T72] addrconf_f6i_alloc+0x315/0x560 [ 639.852440][ T72] ipv6_add_addr+0x411/0x2000 [ 639.852440][ T72] inet6_addr_add+0x30e/0xa40 [ 639.852440][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.852440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.852440][ T72] netlink_rcv_skb+0x130/0x360 [ 639.852440][ T72] netlink_unicast+0x449/0x710 [ 639.852440][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.852440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.852440][ T72] ___sys_sendmsg+0xee/0x170 [ 639.852440][ T72] __sys_sendmsg+0xcd/0x170 [ 639.852440][ T72] do_syscall_64+0xc6/0x1e0 [ 639.852440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.852440][ T72] [ 639.854439][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 639.854439][ T72] netdev_get_by_index+0x5e/0x80 [ 639.854439][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.854439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.854439][ T72] ip6_route_add+0x1c/0x140 [ 639.854439][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 639.854439][ T72] addrconf_add_dev+0xe2/0x170 [ 639.854439][ T72] inet6_addr_add+0x12f/0xa40 [ 639.854439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.854439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.854439][ T72] netlink_rcv_skb+0x130/0x360 [ 639.854439][ T72] netlink_unicast+0x449/0x710 [ 639.854439][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.854439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.854439][ T72] ___sys_sendmsg+0xee/0x170 [ 639.854439][ T72] __sys_sendmsg+0xcd/0x170 [ 639.854439][ T72] do_syscall_64+0xc6/0x1e0 [ 639.854439][ T72] [ 639.856441][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 639.856441][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 639.856441][ T72] ipv6_find_idev+0x102/0x170 [ 639.856441][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 639.856441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.856441][ T72] netlink_rcv_skb+0x130/0x360 [ 639.856441][ T72] netlink_unicast+0x449/0x710 [ 639.856441][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.856441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.856441][ T72] ___sys_sendmsg+0xee/0x170 [ 639.856441][ T72] __sys_sendmsg+0xcd/0x170 [ 639.856441][ T72] do_syscall_64+0xc6/0x1e0 [ 639.856441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.856441][ T72] [ 639.858411][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 639.858411][ T72] neigh_parms_alloc+0x1e5/0x510 [ 639.858411][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 639.858411][ T72] ipv6_find_idev+0x102/0x170 [ 639.858411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 639.858411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.858411][ T72] netlink_rcv_skb+0x130/0x360 [ 639.858411][ T72] netlink_unicast+0x449/0x710 [ 639.858411][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.858411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.858411][ T72] ___sys_sendmsg+0xee/0x170 [ 639.858411][ T72] __sys_sendmsg+0xcd/0x170 [ 639.858411][ T72] do_syscall_64+0xc6/0x1e0 [ 639.858411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.858411][ T72] [ 639.860606][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 639.860918][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 639.860918][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 639.860918][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 639.860918][ T72] fib6_nh_init+0xa22/0x1580 [ 639.860918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.860918][ T72] ip6_route_add+0x1c/0x140 [ 639.860918][ T72] inet6_rtm_newroute+0x104/0x110 [ 639.860918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.860918][ T72] netlink_rcv_skb+0x130/0x360 [ 639.860918][ T72] netlink_unicast+0x449/0x710 [ 639.860918][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.860918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.860918][ T72] ___sys_sendmsg+0xee/0x170 [ 639.860918][ T72] __sys_sendmsg+0xcd/0x170 [ 639.860918][ T72] do_syscall_64+0xc6/0x1e0 [ 639.860918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.860918][ T72] [ 639.863589][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 639.863589][ T72] dst_init+0x84/0x4a0 [ 639.863589][ T72] dst_alloc+0x97/0x150 [ 639.863589][ T72] ip6_dst_alloc+0x23/0x90 [ 639.863589][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 639.863589][ T72] ip6_pol_route+0x56f/0x840 [ 639.863589][ T72] fib6_rule_lookup+0x456/0x630 [ 639.863589][ T72] ip6_route_input+0x59c/0xa50 [ 639.863589][ T72] ipv6_rcv+0x397/0x810 [ 639.863589][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 639.863589][ T72] process_backlog+0x101/0x620 [ 639.863589][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 639.863589][ T72] net_rx_action+0x495/0xbe0 [ 639.863589][ T72] __do_softirq+0x1b5/0x7f6 [ 639.863589][ T72] [ 639.865779][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 639.865779][ T72] netdev_get_by_index+0x5e/0x80 [ 639.865779][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.865779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.865779][ T72] ip6_route_add+0x1c/0x140 [ 639.865779][ T72] addrconf_prefix_route+0x2a6/0x430 [ 639.865779][ T72] inet6_addr_add+0x4f8/0xa40 [ 639.865779][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.865779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.865779][ T72] netlink_rcv_skb+0x130/0x360 [ 639.865779][ T72] netlink_unicast+0x449/0x710 [ 639.865779][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.865779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.865779][ T72] ___sys_sendmsg+0xee/0x170 [ 639.865779][ T72] __sys_sendmsg+0xcd/0x170 [ 639.865779][ T72] do_syscall_64+0xc6/0x1e0 [ 639.865779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.865779][ T72] [ 639.868529][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 639.868529][ T72] netdev_get_by_index+0x5e/0x80 [ 639.868529][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.868529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.868529][ T72] addrconf_f6i_alloc+0x315/0x560 [ 639.868529][ T72] ipv6_add_addr+0x411/0x2000 [ 639.868529][ T72] inet6_addr_add+0x30e/0xa40 [ 639.868529][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.868529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.868529][ T72] netlink_rcv_skb+0x130/0x360 [ 639.868529][ T72] netlink_unicast+0x449/0x710 [ 639.868529][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.868529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.868529][ T72] ___sys_sendmsg+0xee/0x170 [ 639.868529][ T72] __sys_sendmsg+0xcd/0x170 [ 639.868529][ T72] do_syscall_64+0xc6/0x1e0 [ 639.868529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.868529][ T72] [ 639.871241][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 639.871241][ T72] netdev_get_by_index+0x5e/0x80 [ 639.871241][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.871241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.871241][ T72] ip6_route_add+0x1c/0x140 [ 639.871241][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 639.871241][ T72] addrconf_add_dev+0xe2/0x170 [ 639.871241][ T72] inet6_addr_add+0x12f/0xa40 [ 639.871241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.871241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.871241][ T72] netlink_rcv_skb+0x130/0x360 [ 639.871241][ T72] netlink_unicast+0x449/0x710 [ 639.871241][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.871241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.871241][ T72] ___sys_sendmsg+0xee/0x170 [ 639.871241][ T72] __sys_sendmsg+0xcd/0x170 [ 639.871241][ T72] do_syscall_64+0xc6/0x1e0 [ 639.871241][ T72] [ 639.874053][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 639.874053][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 639.874053][ T72] ipv6_find_idev+0x102/0x170 [ 639.874053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 639.874053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.874053][ T72] netlink_rcv_skb+0x130/0x360 [ 639.874053][ T72] netlink_unicast+0x449/0x710 [ 639.874053][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.874053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.874053][ T72] ___sys_sendmsg+0xee/0x170 [ 639.874053][ T72] __sys_sendmsg+0xcd/0x170 [ 639.874053][ T72] do_syscall_64+0xc6/0x1e0 [ 639.874053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.874053][ T72] [ 639.876201][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 639.876201][ T72] neigh_parms_alloc+0x1e5/0x510 [ 639.876201][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 639.876201][ T72] ipv6_find_idev+0x102/0x170 [ 639.876201][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 639.876201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.876201][ T72] netlink_rcv_skb+0x130/0x360 [ 639.876201][ T72] netlink_unicast+0x449/0x710 [ 639.876201][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.876201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.876201][ T72] ___sys_sendmsg+0xee/0x170 [ 639.876201][ T72] __sys_sendmsg+0xcd/0x170 [ 639.876201][ T72] do_syscall_64+0xc6/0x1e0 [ 639.876201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.876201][ T72] [ 639.878521][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 639.879360][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 639.879360][ T72] netdev_get_by_index+0x5e/0x80 [ 639.879360][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.879360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.879360][ T72] addrconf_f6i_alloc+0x265/0x560 [ 639.879360][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 639.879360][ T72] addrconf_join_anycast+0x1c0/0x220 [ 639.879360][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 639.879360][ T72] addrconf_dad_completed+0x12b/0xe20 [ 639.879360][ T72] addrconf_dad_begin+0x310/0x670 [ 639.879360][ T72] addrconf_dad_work+0x10b/0xab0 [ 639.879360][ T72] process_one_work+0x84d/0x18a0 [ 639.879360][ T72] worker_thread+0x587/0xd30 [ 639.879360][ T72] kthread+0x28a/0x350 [ 639.879360][ T72] ret_from_fork+0x31/0x70 [ 639.879360][ T72] ret_from_fork_asm+0x1a/0x30 [ 639.879360][ T72] [ 639.881791][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 639.881791][ T72] netdev_get_by_index+0x5e/0x80 [ 639.881791][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.881791][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.881791][ T72] ip6_route_add+0x1c/0x140 [ 639.881791][ T72] addrconf_prefix_route+0x2a6/0x430 [ 639.881791][ T72] inet6_addr_add+0x4f8/0xa40 [ 639.881791][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.881791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.881791][ T72] netlink_rcv_skb+0x130/0x360 [ 639.881791][ T72] netlink_unicast+0x449/0x710 [ 639.881791][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.881791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.881791][ T72] ___sys_sendmsg+0xee/0x170 [ 639.881791][ T72] __sys_sendmsg+0xcd/0x170 [ 639.881791][ T72] do_syscall_64+0xc6/0x1e0 [ 639.881791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.881791][ T72] [ 639.884302][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 639.884302][ T72] netdev_get_by_index+0x5e/0x80 [ 639.884302][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.884302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.884302][ T72] addrconf_f6i_alloc+0x315/0x560 [ 639.884302][ T72] ipv6_add_addr+0x411/0x2000 [ 639.884302][ T72] inet6_addr_add+0x30e/0xa40 [ 639.884302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.884302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.884302][ T72] netlink_rcv_skb+0x130/0x360 [ 639.884302][ T72] netlink_unicast+0x449/0x710 [ 639.884302][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.884302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.884302][ T72] ___sys_sendmsg+0xee/0x170 [ 639.884302][ T72] __sys_sendmsg+0xcd/0x170 [ 639.884302][ T72] do_syscall_64+0xc6/0x1e0 [ 639.884302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.884302][ T72] [ 639.887097][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 639.887097][ T72] netdev_get_by_index+0x5e/0x80 [ 639.887097][ T72] fib6_nh_init+0x3d8/0x1580 [ 639.887097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 639.887097][ T72] ip6_route_add+0x1c/0x140 [ 639.887097][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 639.887097][ T72] addrconf_add_dev+0xe2/0x170 [ 639.887097][ T72] inet6_addr_add+0x12f/0xa40 [ 639.887097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 639.887097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.887097][ T72] netlink_rcv_skb+0x130/0x360 [ 639.887097][ T72] netlink_unicast+0x449/0x710 [ 639.887097][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.887097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.887097][ T72] ___sys_sendmsg+0xee/0x170 [ 639.887097][ T72] __sys_sendmsg+0xcd/0x170 [ 639.887097][ T72] do_syscall_64+0xc6/0x1e0 [ 639.887097][ T72] [ 639.889902][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 639.889902][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 639.889902][ T72] ipv6_find_idev+0x102/0x170 [ 639.889902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 639.889902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.889902][ T72] netlink_rcv_skb+0x130/0x360 [ 639.889902][ T72] netlink_unicast+0x449/0x710 [ 639.889902][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.889902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.889902][ T72] ___sys_sendmsg+0xee/0x170 [ 639.889902][ T72] __sys_sendmsg+0xcd/0x170 [ 639.889902][ T72] do_syscall_64+0xc6/0x1e0 [ 639.889902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.889902][ T72] [ 639.892043][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 639.892043][ T72] neigh_parms_alloc+0x1e5/0x510 [ 639.892043][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 639.892043][ T72] ipv6_find_idev+0x102/0x170 [ 639.892043][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 639.892043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 639.892043][ T72] netlink_rcv_skb+0x130/0x360 [ 639.892043][ T72] netlink_unicast+0x449/0x710 [ 639.892043][ T72] netlink_sendmsg+0x723/0xbe0 [ 639.892043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 639.892043][ T72] ___sys_sendmsg+0xee/0x170 [ 639.892043][ T72] __sys_sendmsg+0xcd/0x170 [ 639.892043][ T72] do_syscall_64+0xc6/0x1e0 [ 639.892043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 639.892043][ T72] [ 649.912975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 649.913493][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 649.913493][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 649.913493][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 649.913493][ T72] fib6_nh_init+0xa22/0x1580 [ 649.913493][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.913493][ T72] ip6_route_add+0x1c/0x140 [ 649.913493][ T72] inet6_rtm_newroute+0x104/0x110 [ 649.913493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.913493][ T72] netlink_rcv_skb+0x130/0x360 [ 649.913493][ T72] netlink_unicast+0x449/0x710 [ 649.913493][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.913493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.913493][ T72] ___sys_sendmsg+0xee/0x170 [ 649.913493][ T72] __sys_sendmsg+0xcd/0x170 [ 649.913493][ T72] do_syscall_64+0xc6/0x1e0 [ 649.913493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.913493][ T72] [ 649.915413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 649.915413][ T72] dst_init+0x84/0x4a0 [ 649.915413][ T72] dst_alloc+0x97/0x150 [ 649.915413][ T72] ip6_dst_alloc+0x23/0x90 [ 649.915413][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 649.915413][ T72] ip6_pol_route+0x56f/0x840 [ 649.915413][ T72] fib6_rule_lookup+0x456/0x630 [ 649.915413][ T72] ip6_route_input+0x59c/0xa50 [ 649.915413][ T72] ipv6_rcv+0x397/0x810 [ 649.915413][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 649.915413][ T72] process_backlog+0x101/0x620 [ 649.915413][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 649.915413][ T72] net_rx_action+0x495/0xbe0 [ 649.915413][ T72] __do_softirq+0x1b5/0x7f6 [ 649.915413][ T72] [ 649.917058][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 649.917058][ T72] netdev_get_by_index+0x5e/0x80 [ 649.917058][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.917058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.917058][ T72] ip6_route_add+0x1c/0x140 [ 649.917058][ T72] addrconf_prefix_route+0x2a6/0x430 [ 649.917058][ T72] inet6_addr_add+0x4f8/0xa40 [ 649.917058][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.917058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.917058][ T72] netlink_rcv_skb+0x130/0x360 [ 649.917058][ T72] netlink_unicast+0x449/0x710 [ 649.917058][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.917058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.917058][ T72] ___sys_sendmsg+0xee/0x170 [ 649.917058][ T72] __sys_sendmsg+0xcd/0x170 [ 649.917058][ T72] do_syscall_64+0xc6/0x1e0 [ 649.917058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.917058][ T72] [ 649.919056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 649.919056][ T72] netdev_get_by_index+0x5e/0x80 [ 649.919056][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.919056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.919056][ T72] addrconf_f6i_alloc+0x315/0x560 [ 649.919056][ T72] ipv6_add_addr+0x411/0x2000 [ 649.919056][ T72] inet6_addr_add+0x30e/0xa40 [ 649.919056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.919056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.919056][ T72] netlink_rcv_skb+0x130/0x360 [ 649.919056][ T72] netlink_unicast+0x449/0x710 [ 649.919056][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.919056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.919056][ T72] ___sys_sendmsg+0xee/0x170 [ 649.919056][ T72] __sys_sendmsg+0xcd/0x170 [ 649.919056][ T72] do_syscall_64+0xc6/0x1e0 [ 649.919056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.919056][ T72] [ 649.921085][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 649.921085][ T72] netdev_get_by_index+0x5e/0x80 [ 649.921085][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.921085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.921085][ T72] ip6_route_add+0x1c/0x140 [ 649.921085][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 649.921085][ T72] addrconf_add_dev+0xe2/0x170 [ 649.921085][ T72] inet6_addr_add+0x12f/0xa40 [ 649.921085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.921085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.921085][ T72] netlink_rcv_skb+0x130/0x360 [ 649.921085][ T72] netlink_unicast+0x449/0x710 [ 649.921085][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.921085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.921085][ T72] ___sys_sendmsg+0xee/0x170 [ 649.921085][ T72] __sys_sendmsg+0xcd/0x170 [ 649.921085][ T72] do_syscall_64+0xc6/0x1e0 [ 649.921085][ T72] [ 649.923048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 649.923048][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 649.923048][ T72] ipv6_find_idev+0x102/0x170 [ 649.923048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.923048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.923048][ T72] netlink_rcv_skb+0x130/0x360 [ 649.923048][ T72] netlink_unicast+0x449/0x710 [ 649.923048][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.923048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.923048][ T72] ___sys_sendmsg+0xee/0x170 [ 649.923048][ T72] __sys_sendmsg+0xcd/0x170 [ 649.923048][ T72] do_syscall_64+0xc6/0x1e0 [ 649.923048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.923048][ T72] [ 649.924597][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 649.924597][ T72] neigh_parms_alloc+0x1e5/0x510 [ 649.924597][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 649.924597][ T72] ipv6_find_idev+0x102/0x170 [ 649.924597][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.924597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.924597][ T72] netlink_rcv_skb+0x130/0x360 [ 649.924597][ T72] netlink_unicast+0x449/0x710 [ 649.924597][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.924597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.924597][ T72] ___sys_sendmsg+0xee/0x170 [ 649.924597][ T72] __sys_sendmsg+0xcd/0x170 [ 649.924597][ T72] do_syscall_64+0xc6/0x1e0 [ 649.924597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.924597][ T72] [ 649.926329][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 649.926606][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 649.926606][ T72] dst_init+0x84/0x4a0 [ 649.926606][ T72] dst_alloc+0x97/0x150 [ 649.926606][ T72] ip6_dst_alloc+0x23/0x90 [ 649.926606][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 649.926606][ T72] ip6_pol_route+0x56f/0x840 [ 649.926606][ T72] fib6_rule_lookup+0x456/0x630 [ 649.926606][ T72] ip6_route_input+0x59c/0xa50 [ 649.926606][ T72] ipv6_rcv+0x397/0x810 [ 649.926606][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 649.926606][ T72] process_backlog+0x101/0x620 [ 649.926606][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 649.926606][ T72] net_rx_action+0x495/0xbe0 [ 649.926606][ T72] __do_softirq+0x1b5/0x7f6 [ 649.926606][ T72] [ 649.928257][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 649.928257][ T72] netdev_get_by_index+0x5e/0x80 [ 649.928257][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.928257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.928257][ T72] addrconf_f6i_alloc+0x265/0x560 [ 649.928257][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 649.928257][ T72] addrconf_join_anycast+0x1c0/0x220 [ 649.928257][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 649.928257][ T72] addrconf_dad_completed+0x12b/0xe20 [ 649.928257][ T72] addrconf_dad_begin+0x310/0x670 [ 649.928257][ T72] addrconf_dad_work+0x10b/0xab0 [ 649.928257][ T72] process_one_work+0x84d/0x18a0 [ 649.928257][ T72] worker_thread+0x587/0xd30 [ 649.928257][ T72] kthread+0x28a/0x350 [ 649.928257][ T72] ret_from_fork+0x31/0x70 [ 649.928257][ T72] ret_from_fork_asm+0x1a/0x30 [ 649.928257][ T72] [ 649.930177][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 649.930177][ T72] netdev_get_by_index+0x5e/0x80 [ 649.930177][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.930177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.930177][ T72] ip6_route_add+0x1c/0x140 [ 649.930177][ T72] addrconf_prefix_route+0x2a6/0x430 [ 649.930177][ T72] inet6_addr_add+0x4f8/0xa40 [ 649.930177][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.930177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.930177][ T72] netlink_rcv_skb+0x130/0x360 [ 649.930177][ T72] netlink_unicast+0x449/0x710 [ 649.930177][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.930177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.930177][ T72] ___sys_sendmsg+0xee/0x170 [ 649.930177][ T72] __sys_sendmsg+0xcd/0x170 [ 649.930177][ T72] do_syscall_64+0xc6/0x1e0 [ 649.930177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.930177][ T72] [ 649.932188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 649.932188][ T72] netdev_get_by_index+0x5e/0x80 [ 649.932188][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.932188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.932188][ T72] addrconf_f6i_alloc+0x315/0x560 [ 649.932188][ T72] ipv6_add_addr+0x411/0x2000 [ 649.932188][ T72] inet6_addr_add+0x30e/0xa40 [ 649.932188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.932188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.932188][ T72] netlink_rcv_skb+0x130/0x360 [ 649.932188][ T72] netlink_unicast+0x449/0x710 [ 649.932188][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.932188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.932188][ T72] ___sys_sendmsg+0xee/0x170 [ 649.932188][ T72] __sys_sendmsg+0xcd/0x170 [ 649.932188][ T72] do_syscall_64+0xc6/0x1e0 [ 649.932188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.932188][ T72] [ 649.934197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 649.934197][ T72] netdev_get_by_index+0x5e/0x80 [ 649.934197][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.934197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.934197][ T72] ip6_route_add+0x1c/0x140 [ 649.934197][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 649.934197][ T72] addrconf_add_dev+0xe2/0x170 [ 649.934197][ T72] inet6_addr_add+0x12f/0xa40 [ 649.934197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.934197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.934197][ T72] netlink_rcv_skb+0x130/0x360 [ 649.934197][ T72] netlink_unicast+0x449/0x710 [ 649.934197][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.934197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.934197][ T72] ___sys_sendmsg+0xee/0x170 [ 649.934197][ T72] __sys_sendmsg+0xcd/0x170 [ 649.934197][ T72] do_syscall_64+0xc6/0x1e0 [ 649.934197][ T72] [ 649.936169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 649.936169][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 649.936169][ T72] ipv6_find_idev+0x102/0x170 [ 649.936169][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.936169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.936169][ T72] netlink_rcv_skb+0x130/0x360 [ 649.936169][ T72] netlink_unicast+0x449/0x710 [ 649.936169][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.936169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.936169][ T72] ___sys_sendmsg+0xee/0x170 [ 649.936169][ T72] __sys_sendmsg+0xcd/0x170 [ 649.936169][ T72] do_syscall_64+0xc6/0x1e0 [ 649.936169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.936169][ T72] [ 649.937714][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 649.937714][ T72] neigh_parms_alloc+0x1e5/0x510 [ 649.937714][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 649.937714][ T72] ipv6_find_idev+0x102/0x170 [ 649.937714][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.937714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.937714][ T72] netlink_rcv_skb+0x130/0x360 [ 649.937714][ T72] netlink_unicast+0x449/0x710 [ 649.937714][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.937714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.937714][ T72] ___sys_sendmsg+0xee/0x170 [ 649.937714][ T72] __sys_sendmsg+0xcd/0x170 [ 649.937714][ T72] do_syscall_64+0xc6/0x1e0 [ 649.937714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.937714][ T72] [ 649.939536][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 649.939810][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 649.939810][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 649.939810][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 649.939810][ T72] fib6_nh_init+0xa22/0x1580 [ 649.939810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.939810][ T72] ip6_route_add+0x1c/0x140 [ 649.939810][ T72] inet6_rtm_newroute+0x104/0x110 [ 649.939810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.939810][ T72] netlink_rcv_skb+0x130/0x360 [ 649.939810][ T72] netlink_unicast+0x449/0x710 [ 649.939810][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.939810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.939810][ T72] ___sys_sendmsg+0xee/0x170 [ 649.939810][ T72] __sys_sendmsg+0xcd/0x170 [ 649.939810][ T72] do_syscall_64+0xc6/0x1e0 [ 649.939810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.939810][ T72] [ 649.941998][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 649.941998][ T72] dst_init+0x84/0x4a0 [ 649.941998][ T72] dst_alloc+0x97/0x150 [ 649.941998][ T72] ip6_dst_alloc+0x23/0x90 [ 649.941998][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 649.941998][ T72] ip6_pol_route+0x56f/0x840 [ 649.941998][ T72] fib6_rule_lookup+0x456/0x630 [ 649.941998][ T72] ip6_route_input+0x59c/0xa50 [ 649.941998][ T72] ipv6_rcv+0x397/0x810 [ 649.941998][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 649.941998][ T72] process_backlog+0x101/0x620 [ 649.941998][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 649.941998][ T72] net_rx_action+0x495/0xbe0 [ 649.941998][ T72] __do_softirq+0x1b5/0x7f6 [ 649.941998][ T72] [ 649.943818][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 649.943818][ T72] netdev_get_by_index+0x5e/0x80 [ 649.943818][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.943818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.943818][ T72] ip6_route_add+0x1c/0x140 [ 649.943818][ T72] addrconf_prefix_route+0x2a6/0x430 [ 649.943818][ T72] inet6_addr_add+0x4f8/0xa40 [ 649.943818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.943818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.943818][ T72] netlink_rcv_skb+0x130/0x360 [ 649.943818][ T72] netlink_unicast+0x449/0x710 [ 649.943818][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.943818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.943818][ T72] ___sys_sendmsg+0xee/0x170 [ 649.943818][ T72] __sys_sendmsg+0xcd/0x170 [ 649.943818][ T72] do_syscall_64+0xc6/0x1e0 [ 649.943818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.943818][ T72] [ 649.946065][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 649.946065][ T72] netdev_get_by_index+0x5e/0x80 [ 649.946065][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.946065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.946065][ T72] addrconf_f6i_alloc+0x315/0x560 [ 649.946065][ T72] ipv6_add_addr+0x411/0x2000 [ 649.946065][ T72] inet6_addr_add+0x30e/0xa40 [ 649.946065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.946065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.946065][ T72] netlink_rcv_skb+0x130/0x360 [ 649.946065][ T72] netlink_unicast+0x449/0x710 [ 649.946065][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.946065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.946065][ T72] ___sys_sendmsg+0xee/0x170 [ 649.946065][ T72] __sys_sendmsg+0xcd/0x170 [ 649.946065][ T72] do_syscall_64+0xc6/0x1e0 [ 649.946065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.946065][ T72] [ 649.948244][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 649.948244][ T72] netdev_get_by_index+0x5e/0x80 [ 649.948244][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.948244][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.948244][ T72] ip6_route_add+0x1c/0x140 [ 649.948244][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 649.948244][ T72] addrconf_add_dev+0xe2/0x170 [ 649.948244][ T72] inet6_addr_add+0x12f/0xa40 [ 649.948244][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.948244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.948244][ T72] netlink_rcv_skb+0x130/0x360 [ 649.948244][ T72] netlink_unicast+0x449/0x710 [ 649.948244][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.948244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.948244][ T72] ___sys_sendmsg+0xee/0x170 [ 649.948244][ T72] __sys_sendmsg+0xcd/0x170 [ 649.948244][ T72] do_syscall_64+0xc6/0x1e0 [ 649.948244][ T72] [ 649.950515][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 649.950515][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 649.950515][ T72] ipv6_find_idev+0x102/0x170 [ 649.950515][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.950515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.950515][ T72] netlink_rcv_skb+0x130/0x360 [ 649.950515][ T72] netlink_unicast+0x449/0x710 [ 649.950515][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.950515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.950515][ T72] ___sys_sendmsg+0xee/0x170 [ 649.950515][ T72] __sys_sendmsg+0xcd/0x170 [ 649.950515][ T72] do_syscall_64+0xc6/0x1e0 [ 649.950515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.950515][ T72] [ 649.952236][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 649.952236][ T72] neigh_parms_alloc+0x1e5/0x510 [ 649.952236][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 649.952236][ T72] ipv6_find_idev+0x102/0x170 [ 649.952236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.952236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.952236][ T72] netlink_rcv_skb+0x130/0x360 [ 649.952236][ T72] netlink_unicast+0x449/0x710 [ 649.952236][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.952236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.952236][ T72] ___sys_sendmsg+0xee/0x170 [ 649.952236][ T72] __sys_sendmsg+0xcd/0x170 [ 649.952236][ T72] do_syscall_64+0xc6/0x1e0 [ 649.952236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.952236][ T72] [ 649.954113][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 649.954456][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 649.954456][ T72] netdev_get_by_index+0x5e/0x80 [ 649.954456][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.954456][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.954456][ T72] addrconf_f6i_alloc+0x265/0x560 [ 649.954456][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 649.954456][ T72] addrconf_join_anycast+0x1c0/0x220 [ 649.954456][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 649.954456][ T72] addrconf_dad_completed+0x12b/0xe20 [ 649.954456][ T72] addrconf_dad_begin+0x310/0x670 [ 649.954456][ T72] addrconf_dad_work+0x10b/0xab0 [ 649.954456][ T72] process_one_work+0x84d/0x18a0 [ 649.954456][ T72] worker_thread+0x587/0xd30 [ 649.954456][ T72] kthread+0x28a/0x350 [ 649.954456][ T72] ret_from_fork+0x31/0x70 [ 649.954456][ T72] ret_from_fork_asm+0x1a/0x30 [ 649.954456][ T72] [ 649.956483][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 649.956483][ T72] netdev_get_by_index+0x5e/0x80 [ 649.956483][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.956483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.956483][ T72] ip6_route_add+0x1c/0x140 [ 649.956483][ T72] addrconf_prefix_route+0x2a6/0x430 [ 649.956483][ T72] inet6_addr_add+0x4f8/0xa40 [ 649.956483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.956483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.956483][ T72] netlink_rcv_skb+0x130/0x360 [ 649.956483][ T72] netlink_unicast+0x449/0x710 [ 649.956483][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.956483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.956483][ T72] ___sys_sendmsg+0xee/0x170 [ 649.956483][ T72] __sys_sendmsg+0xcd/0x170 [ 649.956483][ T72] do_syscall_64+0xc6/0x1e0 [ 649.956483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.956483][ T72] [ 649.958723][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 649.958723][ T72] netdev_get_by_index+0x5e/0x80 [ 649.958723][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.958723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.958723][ T72] addrconf_f6i_alloc+0x315/0x560 [ 649.958723][ T72] ipv6_add_addr+0x411/0x2000 [ 649.958723][ T72] inet6_addr_add+0x30e/0xa40 [ 649.958723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.958723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.958723][ T72] netlink_rcv_skb+0x130/0x360 [ 649.958723][ T72] netlink_unicast+0x449/0x710 [ 649.958723][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.958723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.958723][ T72] ___sys_sendmsg+0xee/0x170 [ 649.958723][ T72] __sys_sendmsg+0xcd/0x170 [ 649.958723][ T72] do_syscall_64+0xc6/0x1e0 [ 649.958723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.958723][ T72] [ 649.961024][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 649.961024][ T72] netdev_get_by_index+0x5e/0x80 [ 649.961024][ T72] fib6_nh_init+0x3d8/0x1580 [ 649.961024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 649.961024][ T72] ip6_route_add+0x1c/0x140 [ 649.961024][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 649.961024][ T72] addrconf_add_dev+0xe2/0x170 [ 649.961024][ T72] inet6_addr_add+0x12f/0xa40 [ 649.961024][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 649.961024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.961024][ T72] netlink_rcv_skb+0x130/0x360 [ 649.961024][ T72] netlink_unicast+0x449/0x710 [ 649.961024][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.961024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.961024][ T72] ___sys_sendmsg+0xee/0x170 [ 649.961024][ T72] __sys_sendmsg+0xcd/0x170 [ 649.961024][ T72] do_syscall_64+0xc6/0x1e0 [ 649.961024][ T72] [ 649.963235][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 649.963235][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 649.963235][ T72] ipv6_find_idev+0x102/0x170 [ 649.963235][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.963235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.963235][ T72] netlink_rcv_skb+0x130/0x360 [ 649.963235][ T72] netlink_unicast+0x449/0x710 [ 649.963235][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.963235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.963235][ T72] ___sys_sendmsg+0xee/0x170 [ 649.963235][ T72] __sys_sendmsg+0xcd/0x170 [ 649.963235][ T72] do_syscall_64+0xc6/0x1e0 [ 649.963235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.963235][ T72] [ 649.964974][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 649.964974][ T72] neigh_parms_alloc+0x1e5/0x510 [ 649.964974][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 649.964974][ T72] ipv6_find_idev+0x102/0x170 [ 649.964974][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.964974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.964974][ T72] netlink_rcv_skb+0x130/0x360 [ 649.964974][ T72] netlink_unicast+0x449/0x710 [ 649.964974][ T72] netlink_sendmsg+0x723/0xbe0 [ 649.964974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 649.964974][ T72] ___sys_sendmsg+0xee/0x170 [ 649.964974][ T72] __sys_sendmsg+0xcd/0x170 [ 649.964974][ T72] do_syscall_64+0xc6/0x1e0 [ 649.964974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.964974][ T72] [ 660.209020][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 660.209543][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 660.209543][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 660.209543][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 660.209543][ T72] fib6_nh_init+0xa22/0x1580 [ 660.209543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.209543][ T72] ip6_route_add+0x1c/0x140 [ 660.209543][ T72] inet6_rtm_newroute+0x104/0x110 [ 660.209543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.209543][ T72] netlink_rcv_skb+0x130/0x360 [ 660.209543][ T72] netlink_unicast+0x449/0x710 [ 660.209543][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.209543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.209543][ T72] ___sys_sendmsg+0xee/0x170 [ 660.209543][ T72] __sys_sendmsg+0xcd/0x170 [ 660.209543][ T72] do_syscall_64+0xc6/0x1e0 [ 660.209543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.209543][ T72] [ 660.211556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 660.211556][ T72] dst_init+0x84/0x4a0 [ 660.211556][ T72] dst_alloc+0x97/0x150 [ 660.211556][ T72] ip6_dst_alloc+0x23/0x90 [ 660.211556][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 660.211556][ T72] ip6_pol_route+0x56f/0x840 [ 660.211556][ T72] fib6_rule_lookup+0x456/0x630 [ 660.211556][ T72] ip6_route_input+0x59c/0xa50 [ 660.211556][ T72] ipv6_rcv+0x397/0x810 [ 660.211556][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 660.211556][ T72] process_backlog+0x101/0x620 [ 660.211556][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 660.211556][ T72] net_rx_action+0x495/0xbe0 [ 660.211556][ T72] __do_softirq+0x1b5/0x7f6 [ 660.211556][ T72] [ 660.213209][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 660.213209][ T72] netdev_get_by_index+0x5e/0x80 [ 660.213209][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.213209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.213209][ T72] ip6_route_add+0x1c/0x140 [ 660.213209][ T72] addrconf_prefix_route+0x2a6/0x430 [ 660.213209][ T72] inet6_addr_add+0x4f8/0xa40 [ 660.213209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.213209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.213209][ T72] netlink_rcv_skb+0x130/0x360 [ 660.213209][ T72] netlink_unicast+0x449/0x710 [ 660.213209][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.213209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.213209][ T72] ___sys_sendmsg+0xee/0x170 [ 660.213209][ T72] __sys_sendmsg+0xcd/0x170 [ 660.213209][ T72] do_syscall_64+0xc6/0x1e0 [ 660.213209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.213209][ T72] [ 660.215777][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 660.215777][ T72] netdev_get_by_index+0x5e/0x80 [ 660.215777][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.215777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.215777][ T72] addrconf_f6i_alloc+0x315/0x560 [ 660.215777][ T72] ipv6_add_addr+0x411/0x2000 [ 660.215777][ T72] inet6_addr_add+0x30e/0xa40 [ 660.215777][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.215777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.215777][ T72] netlink_rcv_skb+0x130/0x360 [ 660.215777][ T72] netlink_unicast+0x449/0x710 [ 660.215777][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.215777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.215777][ T72] ___sys_sendmsg+0xee/0x170 [ 660.215777][ T72] __sys_sendmsg+0xcd/0x170 [ 660.215777][ T72] do_syscall_64+0xc6/0x1e0 [ 660.215777][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.215777][ T72] [ 660.217784][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 660.217784][ T72] netdev_get_by_index+0x5e/0x80 [ 660.217784][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.217784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.217784][ T72] ip6_route_add+0x1c/0x140 [ 660.217784][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 660.217784][ T72] addrconf_add_dev+0xe2/0x170 [ 660.217784][ T72] inet6_addr_add+0x12f/0xa40 [ 660.217784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.217784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.217784][ T72] netlink_rcv_skb+0x130/0x360 [ 660.217784][ T72] netlink_unicast+0x449/0x710 [ 660.217784][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.217784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.217784][ T72] ___sys_sendmsg+0xee/0x170 [ 660.217784][ T72] __sys_sendmsg+0xcd/0x170 [ 660.217784][ T72] do_syscall_64+0xc6/0x1e0 [ 660.217784][ T72] [ 660.219777][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 660.219777][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 660.219777][ T72] ipv6_find_idev+0x102/0x170 [ 660.219777][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 660.219777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.219777][ T72] netlink_rcv_skb+0x130/0x360 [ 660.219777][ T72] netlink_unicast+0x449/0x710 [ 660.219777][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.219777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.219777][ T72] ___sys_sendmsg+0xee/0x170 [ 660.219777][ T72] __sys_sendmsg+0xcd/0x170 [ 660.219777][ T72] do_syscall_64+0xc6/0x1e0 [ 660.219777][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.219777][ T72] [ 660.221326][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 660.221326][ T72] neigh_parms_alloc+0x1e5/0x510 [ 660.221326][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 660.221326][ T72] ipv6_find_idev+0x102/0x170 [ 660.221326][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 660.221326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.221326][ T72] netlink_rcv_skb+0x130/0x360 [ 660.221326][ T72] netlink_unicast+0x449/0x710 [ 660.221326][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.221326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.221326][ T72] ___sys_sendmsg+0xee/0x170 [ 660.221326][ T72] __sys_sendmsg+0xcd/0x170 [ 660.221326][ T72] do_syscall_64+0xc6/0x1e0 [ 660.221326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.221326][ T72] [ 660.223060][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 660.223336][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 660.223336][ T72] dst_init+0x84/0x4a0 [ 660.223336][ T72] dst_alloc+0x97/0x150 [ 660.223336][ T72] ip6_dst_alloc+0x23/0x90 [ 660.223336][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 660.223336][ T72] ip6_pol_route+0x56f/0x840 [ 660.223336][ T72] fib6_rule_lookup+0x456/0x630 [ 660.223336][ T72] ip6_route_input+0x59c/0xa50 [ 660.223336][ T72] ipv6_rcv+0x397/0x810 [ 660.223336][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 660.223336][ T72] process_backlog+0x101/0x620 [ 660.223336][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 660.223336][ T72] net_rx_action+0x495/0xbe0 [ 660.223336][ T72] __do_softirq+0x1b5/0x7f6 [ 660.223336][ T72] [ 660.224998][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 660.224998][ T72] netdev_get_by_index+0x5e/0x80 [ 660.224998][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.224998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.224998][ T72] addrconf_f6i_alloc+0x265/0x560 [ 660.224998][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 660.224998][ T72] addrconf_join_anycast+0x1c0/0x220 [ 660.224998][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 660.224998][ T72] addrconf_dad_completed+0x12b/0xe20 [ 660.224998][ T72] addrconf_dad_begin+0x310/0x670 [ 660.224998][ T72] addrconf_dad_work+0x10b/0xab0 [ 660.224998][ T72] process_one_work+0x84d/0x18a0 [ 660.224998][ T72] worker_thread+0x587/0xd30 [ 660.224998][ T72] kthread+0x28a/0x350 [ 660.224998][ T72] ret_from_fork+0x31/0x70 [ 660.224998][ T72] ret_from_fork_asm+0x1a/0x30 [ 660.224998][ T72] [ 660.226918][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 660.226918][ T72] netdev_get_by_index+0x5e/0x80 [ 660.226918][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.226918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.226918][ T72] ip6_route_add+0x1c/0x140 [ 660.226918][ T72] addrconf_prefix_route+0x2a6/0x430 [ 660.226918][ T72] inet6_addr_add+0x4f8/0xa40 [ 660.226918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.226918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.226918][ T72] netlink_rcv_skb+0x130/0x360 [ 660.226918][ T72] netlink_unicast+0x449/0x710 [ 660.226918][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.226918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.226918][ T72] ___sys_sendmsg+0xee/0x170 [ 660.226918][ T72] __sys_sendmsg+0xcd/0x170 [ 660.226918][ T72] do_syscall_64+0xc6/0x1e0 [ 660.226918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.226918][ T72] [ 660.228928][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 660.228928][ T72] netdev_get_by_index+0x5e/0x80 [ 660.228928][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.228928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.228928][ T72] addrconf_f6i_alloc+0x315/0x560 [ 660.228928][ T72] ipv6_add_addr+0x411/0x2000 [ 660.228928][ T72] inet6_addr_add+0x30e/0xa40 [ 660.228928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.228928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.228928][ T72] netlink_rcv_skb+0x130/0x360 [ 660.228928][ T72] netlink_unicast+0x449/0x710 [ 660.228928][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.228928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.228928][ T72] ___sys_sendmsg+0xee/0x170 [ 660.228928][ T72] __sys_sendmsg+0xcd/0x170 [ 660.228928][ T72] do_syscall_64+0xc6/0x1e0 [ 660.228928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.228928][ T72] [ 660.230931][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 660.230931][ T72] netdev_get_by_index+0x5e/0x80 [ 660.230931][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.230931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.230931][ T72] ip6_route_add+0x1c/0x140 [ 660.230931][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 660.230931][ T72] addrconf_add_dev+0xe2/0x170 [ 660.230931][ T72] inet6_addr_add+0x12f/0xa40 [ 660.230931][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.230931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.230931][ T72] netlink_rcv_skb+0x130/0x360 [ 660.230931][ T72] netlink_unicast+0x449/0x710 [ 660.230931][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.230931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.230931][ T72] ___sys_sendmsg+0xee/0x170 [ 660.230931][ T72] __sys_sendmsg+0xcd/0x170 [ 660.230931][ T72] do_syscall_64+0xc6/0x1e0 [ 660.230931][ T72] [ 660.233304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 660.233304][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 660.233304][ T72] ipv6_find_idev+0x102/0x170 [ 660.233304][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 660.233304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.233304][ T72] netlink_rcv_skb+0x130/0x360 [ 660.233304][ T72] netlink_unicast+0x449/0x710 [ 660.233304][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.233304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.233304][ T72] ___sys_sendmsg+0xee/0x170 [ 660.233304][ T72] __sys_sendmsg+0xcd/0x170 [ 660.233304][ T72] do_syscall_64+0xc6/0x1e0 [ 660.233304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.233304][ T72] [ 660.234858][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 660.234858][ T72] neigh_parms_alloc+0x1e5/0x510 [ 660.234858][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 660.234858][ T72] ipv6_find_idev+0x102/0x170 [ 660.234858][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 660.234858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.234858][ T72] netlink_rcv_skb+0x130/0x360 [ 660.234858][ T72] netlink_unicast+0x449/0x710 [ 660.234858][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.234858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.234858][ T72] ___sys_sendmsg+0xee/0x170 [ 660.234858][ T72] __sys_sendmsg+0xcd/0x170 [ 660.234858][ T72] do_syscall_64+0xc6/0x1e0 [ 660.234858][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.234858][ T72] [ 660.236683][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 660.236966][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 660.236966][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 660.236966][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 660.236966][ T72] fib6_nh_init+0xa22/0x1580 [ 660.236966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.236966][ T72] ip6_route_add+0x1c/0x140 [ 660.236966][ T72] inet6_rtm_newroute+0x104/0x110 [ 660.236966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.236966][ T72] netlink_rcv_skb+0x130/0x360 [ 660.236966][ T72] netlink_unicast+0x449/0x710 [ 660.236966][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.236966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.236966][ T72] ___sys_sendmsg+0xee/0x170 [ 660.236966][ T72] __sys_sendmsg+0xcd/0x170 [ 660.236966][ T72] do_syscall_64+0xc6/0x1e0 [ 660.236966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.236966][ T72] [ 660.239163][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 660.239163][ T72] dst_init+0x84/0x4a0 [ 660.239163][ T72] dst_alloc+0x97/0x150 [ 660.239163][ T72] ip6_dst_alloc+0x23/0x90 [ 660.239163][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 660.239163][ T72] ip6_pol_route+0x56f/0x840 [ 660.239163][ T72] fib6_rule_lookup+0x456/0x630 [ 660.239163][ T72] ip6_route_input+0x59c/0xa50 [ 660.239163][ T72] ipv6_rcv+0x397/0x810 [ 660.239163][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 660.239163][ T72] process_backlog+0x101/0x620 [ 660.239163][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 660.239163][ T72] net_rx_action+0x495/0xbe0 [ 660.239163][ T72] __do_softirq+0x1b5/0x7f6 [ 660.239163][ T72] [ 660.240983][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 660.240983][ T72] netdev_get_by_index+0x5e/0x80 [ 660.240983][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.240983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.240983][ T72] ip6_route_add+0x1c/0x140 [ 660.240983][ T72] addrconf_prefix_route+0x2a6/0x430 [ 660.240983][ T72] inet6_addr_add+0x4f8/0xa40 [ 660.240983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.240983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.240983][ T72] netlink_rcv_skb+0x130/0x360 [ 660.240983][ T72] netlink_unicast+0x449/0x710 [ 660.240983][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.240983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.240983][ T72] ___sys_sendmsg+0xee/0x170 [ 660.240983][ T72] __sys_sendmsg+0xcd/0x170 [ 660.240983][ T72] do_syscall_64+0xc6/0x1e0 [ 660.240983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.240983][ T72] [ 660.243231][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 660.243231][ T72] netdev_get_by_index+0x5e/0x80 [ 660.243231][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.243231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.243231][ T72] addrconf_f6i_alloc+0x315/0x560 [ 660.243231][ T72] ipv6_add_addr+0x411/0x2000 [ 660.243231][ T72] inet6_addr_add+0x30e/0xa40 [ 660.243231][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.243231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.243231][ T72] netlink_rcv_skb+0x130/0x360 [ 660.243231][ T72] netlink_unicast+0x449/0x710 [ 660.243231][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.243231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.243231][ T72] ___sys_sendmsg+0xee/0x170 [ 660.243231][ T72] __sys_sendmsg+0xcd/0x170 [ 660.243231][ T72] do_syscall_64+0xc6/0x1e0 [ 660.243231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.243231][ T72] [ 660.245430][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 660.245430][ T72] netdev_get_by_index+0x5e/0x80 [ 660.245430][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.245430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.245430][ T72] ip6_route_add+0x1c/0x140 [ 660.245430][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 660.245430][ T72] addrconf_add_dev+0xe2/0x170 [ 660.245430][ T72] inet6_addr_add+0x12f/0xa40 [ 660.245430][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.245430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.245430][ T72] netlink_rcv_skb+0x130/0x360 [ 660.245430][ T72] netlink_unicast+0x449/0x710 [ 660.245430][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.245430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.245430][ T72] ___sys_sendmsg+0xee/0x170 [ 660.245430][ T72] __sys_sendmsg+0xcd/0x170 [ 660.245430][ T72] do_syscall_64+0xc6/0x1e0 [ 660.245430][ T72] [ 660.247701][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 660.247701][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 660.247701][ T72] ipv6_find_idev+0x102/0x170 [ 660.247701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 660.247701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.247701][ T72] netlink_rcv_skb+0x130/0x360 [ 660.247701][ T72] netlink_unicast+0x449/0x710 [ 660.247701][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.247701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.247701][ T72] ___sys_sendmsg+0xee/0x170 [ 660.247701][ T72] __sys_sendmsg+0xcd/0x170 [ 660.247701][ T72] do_syscall_64+0xc6/0x1e0 [ 660.247701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.247701][ T72] [ 660.249433][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 660.249433][ T72] neigh_parms_alloc+0x1e5/0x510 [ 660.249433][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 660.249433][ T72] ipv6_find_idev+0x102/0x170 [ 660.249433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 660.249433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.249433][ T72] netlink_rcv_skb+0x130/0x360 [ 660.249433][ T72] netlink_unicast+0x449/0x710 [ 660.249433][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.249433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.249433][ T72] ___sys_sendmsg+0xee/0x170 [ 660.249433][ T72] __sys_sendmsg+0xcd/0x170 [ 660.249433][ T72] do_syscall_64+0xc6/0x1e0 [ 660.249433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.249433][ T72] [ 660.251307][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 660.251655][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 660.251655][ T72] netdev_get_by_index+0x5e/0x80 [ 660.251655][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.251655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.251655][ T72] addrconf_f6i_alloc+0x265/0x560 [ 660.251655][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 660.251655][ T72] addrconf_join_anycast+0x1c0/0x220 [ 660.251655][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 660.251655][ T72] addrconf_dad_completed+0x12b/0xe20 [ 660.251655][ T72] addrconf_dad_begin+0x310/0x670 [ 660.251655][ T72] addrconf_dad_work+0x10b/0xab0 [ 660.251655][ T72] process_one_work+0x84d/0x18a0 [ 660.251655][ T72] worker_thread+0x587/0xd30 [ 660.251655][ T72] kthread+0x28a/0x350 [ 660.251655][ T72] ret_from_fork+0x31/0x70 [ 660.251655][ T72] ret_from_fork_asm+0x1a/0x30 [ 660.251655][ T72] [ 660.253689][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 660.253689][ T72] netdev_get_by_index+0x5e/0x80 [ 660.253689][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.253689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.253689][ T72] ip6_route_add+0x1c/0x140 [ 660.253689][ T72] addrconf_prefix_route+0x2a6/0x430 [ 660.253689][ T72] inet6_addr_add+0x4f8/0xa40 [ 660.253689][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.253689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.253689][ T72] netlink_rcv_skb+0x130/0x360 [ 660.253689][ T72] netlink_unicast+0x449/0x710 [ 660.253689][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.253689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.253689][ T72] ___sys_sendmsg+0xee/0x170 [ 660.253689][ T72] __sys_sendmsg+0xcd/0x170 [ 660.253689][ T72] do_syscall_64+0xc6/0x1e0 [ 660.253689][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.253689][ T72] [ 660.255946][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 660.255946][ T72] netdev_get_by_index+0x5e/0x80 [ 660.255946][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.255946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.255946][ T72] addrconf_f6i_alloc+0x315/0x560 [ 660.255946][ T72] ipv6_add_addr+0x411/0x2000 [ 660.255946][ T72] inet6_addr_add+0x30e/0xa40 [ 660.255946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.255946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.255946][ T72] netlink_rcv_skb+0x130/0x360 [ 660.255946][ T72] netlink_unicast+0x449/0x710 [ 660.255946][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.255946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.255946][ T72] ___sys_sendmsg+0xee/0x170 [ 660.255946][ T72] __sys_sendmsg+0xcd/0x170 [ 660.255946][ T72] do_syscall_64+0xc6/0x1e0 [ 660.255946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.255946][ T72] [ 660.258255][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 660.258255][ T72] netdev_get_by_index+0x5e/0x80 [ 660.258255][ T72] fib6_nh_init+0x3d8/0x1580 [ 660.258255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 660.258255][ T72] ip6_route_add+0x1c/0x140 [ 660.258255][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 660.258255][ T72] addrconf_add_dev+0xe2/0x170 [ 660.258255][ T72] inet6_addr_add+0x12f/0xa40 [ 660.258255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 660.258255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.258255][ T72] netlink_rcv_skb+0x130/0x360 [ 660.258255][ T72] netlink_unicast+0x449/0x710 [ 660.258255][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.258255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.258255][ T72] ___sys_sendmsg+0xee/0x170 [ 660.258255][ T72] __sys_sendmsg+0xcd/0x170 [ 660.258255][ T72] do_syscall_64+0xc6/0x1e0 [ 660.258255][ T72] [ 660.260481][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 660.260481][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 660.260481][ T72] ipv6_find_idev+0x102/0x170 [ 660.260481][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 660.260481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.260481][ T72] netlink_rcv_skb+0x130/0x360 [ 660.260481][ T72] netlink_unicast+0x449/0x710 [ 660.260481][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.260481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.260481][ T72] ___sys_sendmsg+0xee/0x170 [ 660.260481][ T72] __sys_sendmsg+0xcd/0x170 [ 660.260481][ T72] do_syscall_64+0xc6/0x1e0 [ 660.260481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.260481][ T72] [ 660.262221][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 660.262221][ T72] neigh_parms_alloc+0x1e5/0x510 [ 660.262221][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 660.262221][ T72] ipv6_find_idev+0x102/0x170 [ 660.262221][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 660.262221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 660.262221][ T72] netlink_rcv_skb+0x130/0x360 [ 660.262221][ T72] netlink_unicast+0x449/0x710 [ 660.262221][ T72] netlink_sendmsg+0x723/0xbe0 [ 660.262221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 660.262221][ T72] ___sys_sendmsg+0xee/0x170 [ 660.262221][ T72] __sys_sendmsg+0xcd/0x170 [ 660.262221][ T72] do_syscall_64+0xc6/0x1e0 [ 660.262221][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 660.262221][ T72] [ 670.400940][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 670.401534][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 670.401534][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 670.401534][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 670.401534][ T72] fib6_nh_init+0xa22/0x1580 [ 670.401534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.401534][ T72] ip6_route_add+0x1c/0x140 [ 670.401534][ T72] inet6_rtm_newroute+0x104/0x110 [ 670.401534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.401534][ T72] netlink_rcv_skb+0x130/0x360 [ 670.401534][ T72] netlink_unicast+0x449/0x710 [ 670.401534][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.401534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.401534][ T72] ___sys_sendmsg+0xee/0x170 [ 670.401534][ T72] __sys_sendmsg+0xcd/0x170 [ 670.401534][ T72] do_syscall_64+0xc6/0x1e0 [ 670.401534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.401534][ T72] [ 670.403415][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 670.403415][ T72] dst_init+0x84/0x4a0 [ 670.403415][ T72] dst_alloc+0x97/0x150 [ 670.403415][ T72] ip6_dst_alloc+0x23/0x90 [ 670.403415][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 670.403415][ T72] ip6_pol_route+0x56f/0x840 [ 670.403415][ T72] fib6_rule_lookup+0x456/0x630 [ 670.403415][ T72] ip6_route_input+0x59c/0xa50 [ 670.403415][ T72] ipv6_rcv+0x397/0x810 [ 670.403415][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 670.403415][ T72] process_backlog+0x101/0x620 [ 670.403415][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 670.403415][ T72] net_rx_action+0x495/0xbe0 [ 670.403415][ T72] __do_softirq+0x1b5/0x7f6 [ 670.403415][ T72] [ 670.405057][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 670.405057][ T72] netdev_get_by_index+0x5e/0x80 [ 670.405057][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.405057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.405057][ T72] ip6_route_add+0x1c/0x140 [ 670.405057][ T72] addrconf_prefix_route+0x2a6/0x430 [ 670.405057][ T72] inet6_addr_add+0x4f8/0xa40 [ 670.405057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.405057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.405057][ T72] netlink_rcv_skb+0x130/0x360 [ 670.405057][ T72] netlink_unicast+0x449/0x710 [ 670.405057][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.405057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.405057][ T72] ___sys_sendmsg+0xee/0x170 [ 670.405057][ T72] __sys_sendmsg+0xcd/0x170 [ 670.405057][ T72] do_syscall_64+0xc6/0x1e0 [ 670.405057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.405057][ T72] [ 670.407042][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 670.407042][ T72] netdev_get_by_index+0x5e/0x80 [ 670.407042][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.407042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.407042][ T72] addrconf_f6i_alloc+0x315/0x560 [ 670.407042][ T72] ipv6_add_addr+0x411/0x2000 [ 670.407042][ T72] inet6_addr_add+0x30e/0xa40 [ 670.407042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.407042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.407042][ T72] netlink_rcv_skb+0x130/0x360 [ 670.407042][ T72] netlink_unicast+0x449/0x710 [ 670.407042][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.407042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.407042][ T72] ___sys_sendmsg+0xee/0x170 [ 670.407042][ T72] __sys_sendmsg+0xcd/0x170 [ 670.407042][ T72] do_syscall_64+0xc6/0x1e0 [ 670.407042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.407042][ T72] [ 670.409017][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 670.409017][ T72] netdev_get_by_index+0x5e/0x80 [ 670.409017][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.409017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.409017][ T72] ip6_route_add+0x1c/0x140 [ 670.409017][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 670.409017][ T72] addrconf_add_dev+0xe2/0x170 [ 670.409017][ T72] inet6_addr_add+0x12f/0xa40 [ 670.409017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.409017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.409017][ T72] netlink_rcv_skb+0x130/0x360 [ 670.409017][ T72] netlink_unicast+0x449/0x710 [ 670.409017][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.409017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.409017][ T72] ___sys_sendmsg+0xee/0x170 [ 670.409017][ T72] __sys_sendmsg+0xcd/0x170 [ 670.409017][ T72] do_syscall_64+0xc6/0x1e0 [ 670.409017][ T72] [ 670.410970][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 670.410970][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 670.410970][ T72] ipv6_find_idev+0x102/0x170 [ 670.410970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 670.410970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.410970][ T72] netlink_rcv_skb+0x130/0x360 [ 670.410970][ T72] netlink_unicast+0x449/0x710 [ 670.410970][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.410970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.410970][ T72] ___sys_sendmsg+0xee/0x170 [ 670.410970][ T72] __sys_sendmsg+0xcd/0x170 [ 670.410970][ T72] do_syscall_64+0xc6/0x1e0 [ 670.410970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.410970][ T72] [ 670.412883][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 670.412883][ T72] neigh_parms_alloc+0x1e5/0x510 [ 670.412883][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 670.412883][ T72] ipv6_find_idev+0x102/0x170 [ 670.412883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 670.412883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.412883][ T72] netlink_rcv_skb+0x130/0x360 [ 670.412883][ T72] netlink_unicast+0x449/0x710 [ 670.412883][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.412883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.412883][ T72] ___sys_sendmsg+0xee/0x170 [ 670.412883][ T72] __sys_sendmsg+0xcd/0x170 [ 670.412883][ T72] do_syscall_64+0xc6/0x1e0 [ 670.412883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.412883][ T72] [ 670.414573][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 670.414843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 670.414843][ T72] dst_init+0x84/0x4a0 [ 670.414843][ T72] dst_alloc+0x97/0x150 [ 670.414843][ T72] ip6_dst_alloc+0x23/0x90 [ 670.414843][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 670.414843][ T72] ip6_pol_route+0x56f/0x840 [ 670.414843][ T72] fib6_rule_lookup+0x456/0x630 [ 670.414843][ T72] ip6_route_input+0x59c/0xa50 [ 670.414843][ T72] ipv6_rcv+0x397/0x810 [ 670.414843][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 670.414843][ T72] process_backlog+0x101/0x620 [ 670.414843][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 670.414843][ T72] net_rx_action+0x495/0xbe0 [ 670.414843][ T72] __do_softirq+0x1b5/0x7f6 [ 670.414843][ T72] [ 670.416475][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 670.416475][ T72] netdev_get_by_index+0x5e/0x80 [ 670.416475][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.416475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.416475][ T72] addrconf_f6i_alloc+0x265/0x560 [ 670.416475][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 670.416475][ T72] addrconf_join_anycast+0x1c0/0x220 [ 670.416475][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 670.416475][ T72] addrconf_dad_completed+0x12b/0xe20 [ 670.416475][ T72] addrconf_dad_begin+0x310/0x670 [ 670.416475][ T72] addrconf_dad_work+0x10b/0xab0 [ 670.416475][ T72] process_one_work+0x84d/0x18a0 [ 670.416475][ T72] worker_thread+0x587/0xd30 [ 670.416475][ T72] kthread+0x28a/0x350 [ 670.416475][ T72] ret_from_fork+0x31/0x70 [ 670.416475][ T72] ret_from_fork_asm+0x1a/0x30 [ 670.416475][ T72] [ 670.418369][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 670.418369][ T72] netdev_get_by_index+0x5e/0x80 [ 670.418369][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.418369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.418369][ T72] ip6_route_add+0x1c/0x140 [ 670.418369][ T72] addrconf_prefix_route+0x2a6/0x430 [ 670.418369][ T72] inet6_addr_add+0x4f8/0xa40 [ 670.418369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.418369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.418369][ T72] netlink_rcv_skb+0x130/0x360 [ 670.418369][ T72] netlink_unicast+0x449/0x710 [ 670.418369][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.418369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.418369][ T72] ___sys_sendmsg+0xee/0x170 [ 670.418369][ T72] __sys_sendmsg+0xcd/0x170 [ 670.418369][ T72] do_syscall_64+0xc6/0x1e0 [ 670.418369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.418369][ T72] [ 670.420369][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 670.420369][ T72] netdev_get_by_index+0x5e/0x80 [ 670.420369][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.420369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.420369][ T72] addrconf_f6i_alloc+0x315/0x560 [ 670.420369][ T72] ipv6_add_addr+0x411/0x2000 [ 670.420369][ T72] inet6_addr_add+0x30e/0xa40 [ 670.420369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.420369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.420369][ T72] netlink_rcv_skb+0x130/0x360 [ 670.420369][ T72] netlink_unicast+0x449/0x710 [ 670.420369][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.420369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.420369][ T72] ___sys_sendmsg+0xee/0x170 [ 670.420369][ T72] __sys_sendmsg+0xcd/0x170 [ 670.420369][ T72] do_syscall_64+0xc6/0x1e0 [ 670.420369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.420369][ T72] [ 670.422351][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 670.422351][ T72] netdev_get_by_index+0x5e/0x80 [ 670.422351][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.422351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.422351][ T72] ip6_route_add+0x1c/0x140 [ 670.422351][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 670.422351][ T72] addrconf_add_dev+0xe2/0x170 [ 670.422351][ T72] inet6_addr_add+0x12f/0xa40 [ 670.422351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.422351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.422351][ T72] netlink_rcv_skb+0x130/0x360 [ 670.422351][ T72] netlink_unicast+0x449/0x710 [ 670.422351][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.422351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.422351][ T72] ___sys_sendmsg+0xee/0x170 [ 670.422351][ T72] __sys_sendmsg+0xcd/0x170 [ 670.422351][ T72] do_syscall_64+0xc6/0x1e0 [ 670.422351][ T72] [ 670.424308][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 670.424308][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 670.424308][ T72] ipv6_find_idev+0x102/0x170 [ 670.424308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 670.424308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.424308][ T72] netlink_rcv_skb+0x130/0x360 [ 670.424308][ T72] netlink_unicast+0x449/0x710 [ 670.424308][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.424308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.424308][ T72] ___sys_sendmsg+0xee/0x170 [ 670.424308][ T72] __sys_sendmsg+0xcd/0x170 [ 670.424308][ T72] do_syscall_64+0xc6/0x1e0 [ 670.424308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.424308][ T72] [ 670.425843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 670.425843][ T72] neigh_parms_alloc+0x1e5/0x510 [ 670.425843][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 670.425843][ T72] ipv6_find_idev+0x102/0x170 [ 670.425843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 670.425843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.425843][ T72] netlink_rcv_skb+0x130/0x360 [ 670.425843][ T72] netlink_unicast+0x449/0x710 [ 670.425843][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.425843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.425843][ T72] ___sys_sendmsg+0xee/0x170 [ 670.425843][ T72] __sys_sendmsg+0xcd/0x170 [ 670.425843][ T72] do_syscall_64+0xc6/0x1e0 [ 670.425843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.425843][ T72] [ 670.427586][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 670.427932][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 670.427932][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 670.427932][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 670.427932][ T72] fib6_nh_init+0xa22/0x1580 [ 670.427932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.427932][ T72] ip6_route_add+0x1c/0x140 [ 670.427932][ T72] inet6_rtm_newroute+0x104/0x110 [ 670.427932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.427932][ T72] netlink_rcv_skb+0x130/0x360 [ 670.427932][ T72] netlink_unicast+0x449/0x710 [ 670.427932][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.427932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.427932][ T72] ___sys_sendmsg+0xee/0x170 [ 670.427932][ T72] __sys_sendmsg+0xcd/0x170 [ 670.427932][ T72] do_syscall_64+0xc6/0x1e0 [ 670.427932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.427932][ T72] [ 670.430036][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 670.430036][ T72] dst_init+0x84/0x4a0 [ 670.430036][ T72] dst_alloc+0x97/0x150 [ 670.430036][ T72] ip6_dst_alloc+0x23/0x90 [ 670.430036][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 670.430036][ T72] ip6_pol_route+0x56f/0x840 [ 670.430036][ T72] fib6_rule_lookup+0x456/0x630 [ 670.430036][ T72] ip6_route_input+0x59c/0xa50 [ 670.430036][ T72] ipv6_rcv+0x397/0x810 [ 670.430036][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 670.430036][ T72] process_backlog+0x101/0x620 [ 670.430036][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 670.430036][ T72] net_rx_action+0x495/0xbe0 [ 670.430036][ T72] __do_softirq+0x1b5/0x7f6 [ 670.430036][ T72] [ 670.432433][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 670.432433][ T72] netdev_get_by_index+0x5e/0x80 [ 670.432433][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.432433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.432433][ T72] ip6_route_add+0x1c/0x140 [ 670.432433][ T72] addrconf_prefix_route+0x2a6/0x430 [ 670.432433][ T72] inet6_addr_add+0x4f8/0xa40 [ 670.432433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.432433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.432433][ T72] netlink_rcv_skb+0x130/0x360 [ 670.432433][ T72] netlink_unicast+0x449/0x710 [ 670.432433][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.432433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.432433][ T72] ___sys_sendmsg+0xee/0x170 [ 670.432433][ T72] __sys_sendmsg+0xcd/0x170 [ 670.432433][ T72] do_syscall_64+0xc6/0x1e0 [ 670.432433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.432433][ T72] [ 670.434599][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 670.434599][ T72] netdev_get_by_index+0x5e/0x80 [ 670.434599][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.434599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.434599][ T72] addrconf_f6i_alloc+0x315/0x560 [ 670.434599][ T72] ipv6_add_addr+0x411/0x2000 [ 670.434599][ T72] inet6_addr_add+0x30e/0xa40 [ 670.434599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.434599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.434599][ T72] netlink_rcv_skb+0x130/0x360 [ 670.434599][ T72] netlink_unicast+0x449/0x710 [ 670.434599][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.434599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.434599][ T72] ___sys_sendmsg+0xee/0x170 [ 670.434599][ T72] __sys_sendmsg+0xcd/0x170 [ 670.434599][ T72] do_syscall_64+0xc6/0x1e0 [ 670.434599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.434599][ T72] [ 670.437208][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 670.437208][ T72] netdev_get_by_index+0x5e/0x80 [ 670.437208][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.437208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.437208][ T72] ip6_route_add+0x1c/0x140 [ 670.437208][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 670.437208][ T72] addrconf_add_dev+0xe2/0x170 [ 670.437208][ T72] inet6_addr_add+0x12f/0xa40 [ 670.437208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.437208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.437208][ T72] netlink_rcv_skb+0x130/0x360 [ 670.437208][ T72] netlink_unicast+0x449/0x710 [ 670.437208][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.437208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.437208][ T72] ___sys_sendmsg+0xee/0x170 [ 670.437208][ T72] __sys_sendmsg+0xcd/0x170 [ 670.437208][ T72] do_syscall_64+0xc6/0x1e0 [ 670.437208][ T72] [ 670.439460][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 670.439460][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 670.439460][ T72] ipv6_find_idev+0x102/0x170 [ 670.439460][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 670.439460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.439460][ T72] netlink_rcv_skb+0x130/0x360 [ 670.439460][ T72] netlink_unicast+0x449/0x710 [ 670.439460][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.439460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.439460][ T72] ___sys_sendmsg+0xee/0x170 [ 670.439460][ T72] __sys_sendmsg+0xcd/0x170 [ 670.439460][ T72] do_syscall_64+0xc6/0x1e0 [ 670.439460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.439460][ T72] [ 670.441174][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 670.441174][ T72] neigh_parms_alloc+0x1e5/0x510 [ 670.441174][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 670.441174][ T72] ipv6_find_idev+0x102/0x170 [ 670.441174][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 670.441174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.441174][ T72] netlink_rcv_skb+0x130/0x360 [ 670.441174][ T72] netlink_unicast+0x449/0x710 [ 670.441174][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.441174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.441174][ T72] ___sys_sendmsg+0xee/0x170 [ 670.441174][ T72] __sys_sendmsg+0xcd/0x170 [ 670.441174][ T72] do_syscall_64+0xc6/0x1e0 [ 670.441174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.441174][ T72] [ 670.443036][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 670.443364][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 670.443364][ T72] netdev_get_by_index+0x5e/0x80 [ 670.443364][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.443364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.443364][ T72] addrconf_f6i_alloc+0x265/0x560 [ 670.443364][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 670.443364][ T72] addrconf_join_anycast+0x1c0/0x220 [ 670.443364][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 670.443364][ T72] addrconf_dad_completed+0x12b/0xe20 [ 670.443364][ T72] addrconf_dad_begin+0x310/0x670 [ 670.443364][ T72] addrconf_dad_work+0x10b/0xab0 [ 670.443364][ T72] process_one_work+0x84d/0x18a0 [ 670.443364][ T72] worker_thread+0x587/0xd30 [ 670.443364][ T72] kthread+0x28a/0x350 [ 670.443364][ T72] ret_from_fork+0x31/0x70 [ 670.443364][ T72] ret_from_fork_asm+0x1a/0x30 [ 670.443364][ T72] [ 670.445443][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 670.445443][ T72] netdev_get_by_index+0x5e/0x80 [ 670.445443][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.445443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.445443][ T72] ip6_route_add+0x1c/0x140 [ 670.445443][ T72] addrconf_prefix_route+0x2a6/0x430 [ 670.445443][ T72] inet6_addr_add+0x4f8/0xa40 [ 670.445443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.445443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.445443][ T72] netlink_rcv_skb+0x130/0x360 [ 670.445443][ T72] netlink_unicast+0x449/0x710 [ 670.445443][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.445443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.445443][ T72] ___sys_sendmsg+0xee/0x170 [ 670.445443][ T72] __sys_sendmsg+0xcd/0x170 [ 670.445443][ T72] do_syscall_64+0xc6/0x1e0 [ 670.445443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.445443][ T72] [ 670.447664][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 670.447664][ T72] netdev_get_by_index+0x5e/0x80 [ 670.447664][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.447664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.447664][ T72] addrconf_f6i_alloc+0x315/0x560 [ 670.447664][ T72] ipv6_add_addr+0x411/0x2000 [ 670.447664][ T72] inet6_addr_add+0x30e/0xa40 [ 670.447664][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.447664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.447664][ T72] netlink_rcv_skb+0x130/0x360 [ 670.447664][ T72] netlink_unicast+0x449/0x710 [ 670.447664][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.447664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.447664][ T72] ___sys_sendmsg+0xee/0x170 [ 670.447664][ T72] __sys_sendmsg+0xcd/0x170 [ 670.447664][ T72] do_syscall_64+0xc6/0x1e0 [ 670.447664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.447664][ T72] [ 670.449955][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 670.449955][ T72] netdev_get_by_index+0x5e/0x80 [ 670.449955][ T72] fib6_nh_init+0x3d8/0x1580 [ 670.449955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 670.449955][ T72] ip6_route_add+0x1c/0x140 [ 670.449955][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 670.449955][ T72] addrconf_add_dev+0xe2/0x170 [ 670.449955][ T72] inet6_addr_add+0x12f/0xa40 [ 670.449955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 670.449955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.449955][ T72] netlink_rcv_skb+0x130/0x360 [ 670.449955][ T72] netlink_unicast+0x449/0x710 [ 670.449955][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.449955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.449955][ T72] ___sys_sendmsg+0xee/0x170 [ 670.449955][ T72] __sys_sendmsg+0xcd/0x170 [ 670.449955][ T72] do_syscall_64+0xc6/0x1e0 [ 670.449955][ T72] [ 670.452143][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 670.452143][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 670.452143][ T72] ipv6_find_idev+0x102/0x170 [ 670.452143][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 670.452143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.452143][ T72] netlink_rcv_skb+0x130/0x360 [ 670.452143][ T72] netlink_unicast+0x449/0x710 [ 670.452143][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.452143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.452143][ T72] ___sys_sendmsg+0xee/0x170 [ 670.452143][ T72] __sys_sendmsg+0xcd/0x170 [ 670.452143][ T72] do_syscall_64+0xc6/0x1e0 [ 670.452143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.452143][ T72] [ 670.453852][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 670.453852][ T72] neigh_parms_alloc+0x1e5/0x510 [ 670.453852][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 670.453852][ T72] ipv6_find_idev+0x102/0x170 [ 670.453852][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 670.453852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 670.453852][ T72] netlink_rcv_skb+0x130/0x360 [ 670.453852][ T72] netlink_unicast+0x449/0x710 [ 670.453852][ T72] netlink_sendmsg+0x723/0xbe0 [ 670.453852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 670.453852][ T72] ___sys_sendmsg+0xee/0x170 [ 670.453852][ T72] __sys_sendmsg+0xcd/0x170 [ 670.453852][ T72] do_syscall_64+0xc6/0x1e0 [ 670.453852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 670.453852][ T72] [ 680.841072][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 680.841599][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 680.841599][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 680.841599][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 680.841599][ T72] fib6_nh_init+0xa22/0x1580 [ 680.841599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.841599][ T72] ip6_route_add+0x1c/0x140 [ 680.841599][ T72] inet6_rtm_newroute+0x104/0x110 [ 680.841599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.841599][ T72] netlink_rcv_skb+0x130/0x360 [ 680.841599][ T72] netlink_unicast+0x449/0x710 [ 680.841599][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.841599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.841599][ T72] ___sys_sendmsg+0xee/0x170 [ 680.841599][ T72] __sys_sendmsg+0xcd/0x170 [ 680.841599][ T72] do_syscall_64+0xc6/0x1e0 [ 680.841599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.841599][ T72] [ 680.843505][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 680.843505][ T72] dst_init+0x84/0x4a0 [ 680.843505][ T72] dst_alloc+0x97/0x150 [ 680.843505][ T72] ip6_dst_alloc+0x23/0x90 [ 680.843505][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 680.843505][ T72] ip6_pol_route+0x56f/0x840 [ 680.843505][ T72] fib6_rule_lookup+0x456/0x630 [ 680.843505][ T72] ip6_route_input+0x59c/0xa50 [ 680.843505][ T72] ipv6_rcv+0x397/0x810 [ 680.843505][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 680.843505][ T72] process_backlog+0x101/0x620 [ 680.843505][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 680.843505][ T72] net_rx_action+0x495/0xbe0 [ 680.843505][ T72] __do_softirq+0x1b5/0x7f6 [ 680.843505][ T72] [ 680.845164][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 680.845164][ T72] netdev_get_by_index+0x5e/0x80 [ 680.845164][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.845164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.845164][ T72] ip6_route_add+0x1c/0x140 [ 680.845164][ T72] addrconf_prefix_route+0x2a6/0x430 [ 680.845164][ T72] inet6_addr_add+0x4f8/0xa40 [ 680.845164][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.845164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.845164][ T72] netlink_rcv_skb+0x130/0x360 [ 680.845164][ T72] netlink_unicast+0x449/0x710 [ 680.845164][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.845164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.845164][ T72] ___sys_sendmsg+0xee/0x170 [ 680.845164][ T72] __sys_sendmsg+0xcd/0x170 [ 680.845164][ T72] do_syscall_64+0xc6/0x1e0 [ 680.845164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.845164][ T72] [ 680.847178][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 680.847178][ T72] netdev_get_by_index+0x5e/0x80 [ 680.847178][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.847178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.847178][ T72] addrconf_f6i_alloc+0x315/0x560 [ 680.847178][ T72] ipv6_add_addr+0x411/0x2000 [ 680.847178][ T72] inet6_addr_add+0x30e/0xa40 [ 680.847178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.847178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.847178][ T72] netlink_rcv_skb+0x130/0x360 [ 680.847178][ T72] netlink_unicast+0x449/0x710 [ 680.847178][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.847178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.847178][ T72] ___sys_sendmsg+0xee/0x170 [ 680.847178][ T72] __sys_sendmsg+0xcd/0x170 [ 680.847178][ T72] do_syscall_64+0xc6/0x1e0 [ 680.847178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.847178][ T72] [ 680.849186][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 680.849186][ T72] netdev_get_by_index+0x5e/0x80 [ 680.849186][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.849186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.849186][ T72] ip6_route_add+0x1c/0x140 [ 680.849186][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 680.849186][ T72] addrconf_add_dev+0xe2/0x170 [ 680.849186][ T72] inet6_addr_add+0x12f/0xa40 [ 680.849186][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.849186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.849186][ T72] netlink_rcv_skb+0x130/0x360 [ 680.849186][ T72] netlink_unicast+0x449/0x710 [ 680.849186][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.849186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.849186][ T72] ___sys_sendmsg+0xee/0x170 [ 680.849186][ T72] __sys_sendmsg+0xcd/0x170 [ 680.849186][ T72] do_syscall_64+0xc6/0x1e0 [ 680.849186][ T72] [ 680.851192][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 680.851192][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 680.851192][ T72] ipv6_find_idev+0x102/0x170 [ 680.851192][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 680.851192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.851192][ T72] netlink_rcv_skb+0x130/0x360 [ 680.851192][ T72] netlink_unicast+0x449/0x710 [ 680.851192][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.851192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.851192][ T72] ___sys_sendmsg+0xee/0x170 [ 680.851192][ T72] __sys_sendmsg+0xcd/0x170 [ 680.851192][ T72] do_syscall_64+0xc6/0x1e0 [ 680.851192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.851192][ T72] [ 680.852742][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 680.852742][ T72] neigh_parms_alloc+0x1e5/0x510 [ 680.852742][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 680.852742][ T72] ipv6_find_idev+0x102/0x170 [ 680.852742][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 680.852742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.852742][ T72] netlink_rcv_skb+0x130/0x360 [ 680.852742][ T72] netlink_unicast+0x449/0x710 [ 680.852742][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.852742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.852742][ T72] ___sys_sendmsg+0xee/0x170 [ 680.852742][ T72] __sys_sendmsg+0xcd/0x170 [ 680.852742][ T72] do_syscall_64+0xc6/0x1e0 [ 680.852742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.852742][ T72] [ 680.854513][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 680.854802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 680.854802][ T72] dst_init+0x84/0x4a0 [ 680.854802][ T72] dst_alloc+0x97/0x150 [ 680.854802][ T72] ip6_dst_alloc+0x23/0x90 [ 680.854802][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 680.854802][ T72] ip6_pol_route+0x56f/0x840 [ 680.854802][ T72] fib6_rule_lookup+0x456/0x630 [ 680.854802][ T72] ip6_route_input+0x59c/0xa50 [ 680.854802][ T72] ipv6_rcv+0x397/0x810 [ 680.854802][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 680.854802][ T72] process_backlog+0x101/0x620 [ 680.854802][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 680.854802][ T72] net_rx_action+0x495/0xbe0 [ 680.854802][ T72] __do_softirq+0x1b5/0x7f6 [ 680.854802][ T72] [ 680.856455][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 680.856455][ T72] netdev_get_by_index+0x5e/0x80 [ 680.856455][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.856455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.856455][ T72] addrconf_f6i_alloc+0x265/0x560 [ 680.856455][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 680.856455][ T72] addrconf_join_anycast+0x1c0/0x220 [ 680.856455][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 680.856455][ T72] addrconf_dad_completed+0x12b/0xe20 [ 680.856455][ T72] addrconf_dad_begin+0x310/0x670 [ 680.856455][ T72] addrconf_dad_work+0x10b/0xab0 [ 680.856455][ T72] process_one_work+0x84d/0x18a0 [ 680.856455][ T72] worker_thread+0x587/0xd30 [ 680.856455][ T72] kthread+0x28a/0x350 [ 680.856455][ T72] ret_from_fork+0x31/0x70 [ 680.856455][ T72] ret_from_fork_asm+0x1a/0x30 [ 680.856455][ T72] [ 680.858372][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 680.858372][ T72] netdev_get_by_index+0x5e/0x80 [ 680.858372][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.858372][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.858372][ T72] ip6_route_add+0x1c/0x140 [ 680.858372][ T72] addrconf_prefix_route+0x2a6/0x430 [ 680.858372][ T72] inet6_addr_add+0x4f8/0xa40 [ 680.858372][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.858372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.858372][ T72] netlink_rcv_skb+0x130/0x360 [ 680.858372][ T72] netlink_unicast+0x449/0x710 [ 680.858372][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.858372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.858372][ T72] ___sys_sendmsg+0xee/0x170 [ 680.858372][ T72] __sys_sendmsg+0xcd/0x170 [ 680.858372][ T72] do_syscall_64+0xc6/0x1e0 [ 680.858372][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.858372][ T72] [ 680.860374][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 680.860374][ T72] netdev_get_by_index+0x5e/0x80 [ 680.860374][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.860374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.860374][ T72] addrconf_f6i_alloc+0x315/0x560 [ 680.860374][ T72] ipv6_add_addr+0x411/0x2000 [ 680.860374][ T72] inet6_addr_add+0x30e/0xa40 [ 680.860374][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.860374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.860374][ T72] netlink_rcv_skb+0x130/0x360 [ 680.860374][ T72] netlink_unicast+0x449/0x710 [ 680.860374][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.860374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.860374][ T72] ___sys_sendmsg+0xee/0x170 [ 680.860374][ T72] __sys_sendmsg+0xcd/0x170 [ 680.860374][ T72] do_syscall_64+0xc6/0x1e0 [ 680.860374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.860374][ T72] [ 680.862384][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 680.862384][ T72] netdev_get_by_index+0x5e/0x80 [ 680.862384][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.862384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.862384][ T72] ip6_route_add+0x1c/0x140 [ 680.862384][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 680.862384][ T72] addrconf_add_dev+0xe2/0x170 [ 680.862384][ T72] inet6_addr_add+0x12f/0xa40 [ 680.862384][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.862384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.862384][ T72] netlink_rcv_skb+0x130/0x360 [ 680.862384][ T72] netlink_unicast+0x449/0x710 [ 680.862384][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.862384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.862384][ T72] ___sys_sendmsg+0xee/0x170 [ 680.862384][ T72] __sys_sendmsg+0xcd/0x170 [ 680.862384][ T72] do_syscall_64+0xc6/0x1e0 [ 680.862384][ T72] [ 680.864347][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 680.864347][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 680.864347][ T72] ipv6_find_idev+0x102/0x170 [ 680.864347][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 680.864347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.864347][ T72] netlink_rcv_skb+0x130/0x360 [ 680.864347][ T72] netlink_unicast+0x449/0x710 [ 680.864347][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.864347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.864347][ T72] ___sys_sendmsg+0xee/0x170 [ 680.864347][ T72] __sys_sendmsg+0xcd/0x170 [ 680.864347][ T72] do_syscall_64+0xc6/0x1e0 [ 680.864347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.864347][ T72] [ 680.865898][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 680.865898][ T72] neigh_parms_alloc+0x1e5/0x510 [ 680.865898][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 680.865898][ T72] ipv6_find_idev+0x102/0x170 [ 680.865898][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 680.865898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.865898][ T72] netlink_rcv_skb+0x130/0x360 [ 680.865898][ T72] netlink_unicast+0x449/0x710 [ 680.865898][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.865898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.865898][ T72] ___sys_sendmsg+0xee/0x170 [ 680.865898][ T72] __sys_sendmsg+0xcd/0x170 [ 680.865898][ T72] do_syscall_64+0xc6/0x1e0 [ 680.865898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.865898][ T72] [ 680.867856][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 680.868132][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 680.868132][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 680.868132][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 680.868132][ T72] fib6_nh_init+0xa22/0x1580 [ 680.868132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.868132][ T72] ip6_route_add+0x1c/0x140 [ 680.868132][ T72] inet6_rtm_newroute+0x104/0x110 [ 680.868132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.868132][ T72] netlink_rcv_skb+0x130/0x360 [ 680.868132][ T72] netlink_unicast+0x449/0x710 [ 680.868132][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.868132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.868132][ T72] ___sys_sendmsg+0xee/0x170 [ 680.868132][ T72] __sys_sendmsg+0xcd/0x170 [ 680.868132][ T72] do_syscall_64+0xc6/0x1e0 [ 680.868132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.868132][ T72] [ 680.870341][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 680.870341][ T72] dst_init+0x84/0x4a0 [ 680.870341][ T72] dst_alloc+0x97/0x150 [ 680.870341][ T72] ip6_dst_alloc+0x23/0x90 [ 680.870341][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 680.870341][ T72] ip6_pol_route+0x56f/0x840 [ 680.870341][ T72] fib6_rule_lookup+0x456/0x630 [ 680.870341][ T72] ip6_route_input+0x59c/0xa50 [ 680.870341][ T72] ipv6_rcv+0x397/0x810 [ 680.870341][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 680.870341][ T72] process_backlog+0x101/0x620 [ 680.870341][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 680.870341][ T72] net_rx_action+0x495/0xbe0 [ 680.870341][ T72] __do_softirq+0x1b5/0x7f6 [ 680.870341][ T72] [ 680.872167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 680.872167][ T72] netdev_get_by_index+0x5e/0x80 [ 680.872167][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.872167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.872167][ T72] ip6_route_add+0x1c/0x140 [ 680.872167][ T72] addrconf_prefix_route+0x2a6/0x430 [ 680.872167][ T72] inet6_addr_add+0x4f8/0xa40 [ 680.872167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.872167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.872167][ T72] netlink_rcv_skb+0x130/0x360 [ 680.872167][ T72] netlink_unicast+0x449/0x710 [ 680.872167][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.872167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.872167][ T72] ___sys_sendmsg+0xee/0x170 [ 680.872167][ T72] __sys_sendmsg+0xcd/0x170 [ 680.872167][ T72] do_syscall_64+0xc6/0x1e0 [ 680.872167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.872167][ T72] [ 680.874443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 680.874443][ T72] netdev_get_by_index+0x5e/0x80 [ 680.874443][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.874443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.874443][ T72] addrconf_f6i_alloc+0x315/0x560 [ 680.874443][ T72] ipv6_add_addr+0x411/0x2000 [ 680.874443][ T72] inet6_addr_add+0x30e/0xa40 [ 680.874443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.874443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.874443][ T72] netlink_rcv_skb+0x130/0x360 [ 680.874443][ T72] netlink_unicast+0x449/0x710 [ 680.874443][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.874443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.874443][ T72] ___sys_sendmsg+0xee/0x170 [ 680.874443][ T72] __sys_sendmsg+0xcd/0x170 [ 680.874443][ T72] do_syscall_64+0xc6/0x1e0 [ 680.874443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.874443][ T72] [ 680.876630][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 680.876630][ T72] netdev_get_by_index+0x5e/0x80 [ 680.876630][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.876630][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.876630][ T72] ip6_route_add+0x1c/0x140 [ 680.876630][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 680.876630][ T72] addrconf_add_dev+0xe2/0x170 [ 680.876630][ T72] inet6_addr_add+0x12f/0xa40 [ 680.876630][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.876630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.876630][ T72] netlink_rcv_skb+0x130/0x360 [ 680.876630][ T72] netlink_unicast+0x449/0x710 [ 680.876630][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.876630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.876630][ T72] ___sys_sendmsg+0xee/0x170 [ 680.876630][ T72] __sys_sendmsg+0xcd/0x170 [ 680.876630][ T72] do_syscall_64+0xc6/0x1e0 [ 680.876630][ T72] [ 680.878901][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 680.878901][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 680.878901][ T72] ipv6_find_idev+0x102/0x170 [ 680.878901][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 680.878901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.878901][ T72] netlink_rcv_skb+0x130/0x360 [ 680.878901][ T72] netlink_unicast+0x449/0x710 [ 680.878901][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.878901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.878901][ T72] ___sys_sendmsg+0xee/0x170 [ 680.878901][ T72] __sys_sendmsg+0xcd/0x170 [ 680.878901][ T72] do_syscall_64+0xc6/0x1e0 [ 680.878901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.878901][ T72] [ 680.881007][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 680.881007][ T72] neigh_parms_alloc+0x1e5/0x510 [ 680.881007][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 680.881007][ T72] ipv6_find_idev+0x102/0x170 [ 680.881007][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 680.881007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.881007][ T72] netlink_rcv_skb+0x130/0x360 [ 680.881007][ T72] netlink_unicast+0x449/0x710 [ 680.881007][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.881007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.881007][ T72] ___sys_sendmsg+0xee/0x170 [ 680.881007][ T72] __sys_sendmsg+0xcd/0x170 [ 680.881007][ T72] do_syscall_64+0xc6/0x1e0 [ 680.881007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.881007][ T72] [ 680.882907][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 680.883254][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 680.883254][ T72] netdev_get_by_index+0x5e/0x80 [ 680.883254][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.883254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.883254][ T72] addrconf_f6i_alloc+0x265/0x560 [ 680.883254][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 680.883254][ T72] addrconf_join_anycast+0x1c0/0x220 [ 680.883254][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 680.883254][ T72] addrconf_dad_completed+0x12b/0xe20 [ 680.883254][ T72] addrconf_dad_begin+0x310/0x670 [ 680.883254][ T72] addrconf_dad_work+0x10b/0xab0 [ 680.883254][ T72] process_one_work+0x84d/0x18a0 [ 680.883254][ T72] worker_thread+0x587/0xd30 [ 680.883254][ T72] kthread+0x28a/0x350 [ 680.883254][ T72] ret_from_fork+0x31/0x70 [ 680.883254][ T72] ret_from_fork_asm+0x1a/0x30 [ 680.883254][ T72] [ 680.885313][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 680.885313][ T72] netdev_get_by_index+0x5e/0x80 [ 680.885313][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.885313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.885313][ T72] ip6_route_add+0x1c/0x140 [ 680.885313][ T72] addrconf_prefix_route+0x2a6/0x430 [ 680.885313][ T72] inet6_addr_add+0x4f8/0xa40 [ 680.885313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.885313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.885313][ T72] netlink_rcv_skb+0x130/0x360 [ 680.885313][ T72] netlink_unicast+0x449/0x710 [ 680.885313][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.885313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.885313][ T72] ___sys_sendmsg+0xee/0x170 [ 680.885313][ T72] __sys_sendmsg+0xcd/0x170 [ 680.885313][ T72] do_syscall_64+0xc6/0x1e0 [ 680.885313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.885313][ T72] [ 680.887578][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 680.887578][ T72] netdev_get_by_index+0x5e/0x80 [ 680.887578][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.887578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.887578][ T72] addrconf_f6i_alloc+0x315/0x560 [ 680.887578][ T72] ipv6_add_addr+0x411/0x2000 [ 680.887578][ T72] inet6_addr_add+0x30e/0xa40 [ 680.887578][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.887578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.887578][ T72] netlink_rcv_skb+0x130/0x360 [ 680.887578][ T72] netlink_unicast+0x449/0x710 [ 680.887578][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.887578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.887578][ T72] ___sys_sendmsg+0xee/0x170 [ 680.887578][ T72] __sys_sendmsg+0xcd/0x170 [ 680.887578][ T72] do_syscall_64+0xc6/0x1e0 [ 680.887578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.887578][ T72] [ 680.889906][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 680.889906][ T72] netdev_get_by_index+0x5e/0x80 [ 680.889906][ T72] fib6_nh_init+0x3d8/0x1580 [ 680.889906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 680.889906][ T72] ip6_route_add+0x1c/0x140 [ 680.889906][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 680.889906][ T72] addrconf_add_dev+0xe2/0x170 [ 680.889906][ T72] inet6_addr_add+0x12f/0xa40 [ 680.889906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 680.889906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.889906][ T72] netlink_rcv_skb+0x130/0x360 [ 680.889906][ T72] netlink_unicast+0x449/0x710 [ 680.889906][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.889906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.889906][ T72] ___sys_sendmsg+0xee/0x170 [ 680.889906][ T72] __sys_sendmsg+0xcd/0x170 [ 680.889906][ T72] do_syscall_64+0xc6/0x1e0 [ 680.889906][ T72] [ 680.892129][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 680.892129][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 680.892129][ T72] ipv6_find_idev+0x102/0x170 [ 680.892129][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 680.892129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.892129][ T72] netlink_rcv_skb+0x130/0x360 [ 680.892129][ T72] netlink_unicast+0x449/0x710 [ 680.892129][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.892129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.892129][ T72] ___sys_sendmsg+0xee/0x170 [ 680.892129][ T72] __sys_sendmsg+0xcd/0x170 [ 680.892129][ T72] do_syscall_64+0xc6/0x1e0 [ 680.892129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.892129][ T72] [ 680.893865][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 680.893865][ T72] neigh_parms_alloc+0x1e5/0x510 [ 680.893865][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 680.893865][ T72] ipv6_find_idev+0x102/0x170 [ 680.893865][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 680.893865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 680.893865][ T72] netlink_rcv_skb+0x130/0x360 [ 680.893865][ T72] netlink_unicast+0x449/0x710 [ 680.893865][ T72] netlink_sendmsg+0x723/0xbe0 [ 680.893865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 680.893865][ T72] ___sys_sendmsg+0xee/0x170 [ 680.893865][ T72] __sys_sendmsg+0xcd/0x170 [ 680.893865][ T72] do_syscall_64+0xc6/0x1e0 [ 680.893865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 680.893865][ T72] [ 691.136918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 691.137404][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 691.137404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 691.137404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 691.137404][ T72] fib6_nh_init+0xa22/0x1580 [ 691.137404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.137404][ T72] ip6_route_add+0x1c/0x140 [ 691.137404][ T72] inet6_rtm_newroute+0x104/0x110 [ 691.137404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.137404][ T72] netlink_rcv_skb+0x130/0x360 [ 691.137404][ T72] netlink_unicast+0x449/0x710 [ 691.137404][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.137404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.137404][ T72] ___sys_sendmsg+0xee/0x170 [ 691.137404][ T72] __sys_sendmsg+0xcd/0x170 [ 691.137404][ T72] do_syscall_64+0xc6/0x1e0 [ 691.137404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.137404][ T72] [ 691.139299][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 691.139299][ T72] dst_init+0x84/0x4a0 [ 691.139299][ T72] dst_alloc+0x97/0x150 [ 691.139299][ T72] ip6_dst_alloc+0x23/0x90 [ 691.139299][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 691.139299][ T72] ip6_pol_route+0x56f/0x840 [ 691.139299][ T72] fib6_rule_lookup+0x456/0x630 [ 691.139299][ T72] ip6_route_input+0x59c/0xa50 [ 691.139299][ T72] ipv6_rcv+0x397/0x810 [ 691.139299][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 691.139299][ T72] process_backlog+0x101/0x620 [ 691.139299][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 691.139299][ T72] net_rx_action+0x495/0xbe0 [ 691.139299][ T72] __do_softirq+0x1b5/0x7f6 [ 691.139299][ T72] [ 691.140923][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 691.140923][ T72] netdev_get_by_index+0x5e/0x80 [ 691.140923][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.140923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.140923][ T72] ip6_route_add+0x1c/0x140 [ 691.140923][ T72] addrconf_prefix_route+0x2a6/0x430 [ 691.140923][ T72] inet6_addr_add+0x4f8/0xa40 [ 691.140923][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.140923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.140923][ T72] netlink_rcv_skb+0x130/0x360 [ 691.140923][ T72] netlink_unicast+0x449/0x710 [ 691.140923][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.140923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.140923][ T72] ___sys_sendmsg+0xee/0x170 [ 691.140923][ T72] __sys_sendmsg+0xcd/0x170 [ 691.140923][ T72] do_syscall_64+0xc6/0x1e0 [ 691.140923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.140923][ T72] [ 691.142908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 691.142908][ T72] netdev_get_by_index+0x5e/0x80 [ 691.142908][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.142908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.142908][ T72] addrconf_f6i_alloc+0x315/0x560 [ 691.142908][ T72] ipv6_add_addr+0x411/0x2000 [ 691.142908][ T72] inet6_addr_add+0x30e/0xa40 [ 691.142908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.142908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.142908][ T72] netlink_rcv_skb+0x130/0x360 [ 691.142908][ T72] netlink_unicast+0x449/0x710 [ 691.142908][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.142908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.142908][ T72] ___sys_sendmsg+0xee/0x170 [ 691.142908][ T72] __sys_sendmsg+0xcd/0x170 [ 691.142908][ T72] do_syscall_64+0xc6/0x1e0 [ 691.142908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.142908][ T72] [ 691.144901][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 691.144901][ T72] netdev_get_by_index+0x5e/0x80 [ 691.144901][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.144901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.144901][ T72] ip6_route_add+0x1c/0x140 [ 691.144901][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 691.144901][ T72] addrconf_add_dev+0xe2/0x170 [ 691.144901][ T72] inet6_addr_add+0x12f/0xa40 [ 691.144901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.144901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.144901][ T72] netlink_rcv_skb+0x130/0x360 [ 691.144901][ T72] netlink_unicast+0x449/0x710 [ 691.144901][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.144901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.144901][ T72] ___sys_sendmsg+0xee/0x170 [ 691.144901][ T72] __sys_sendmsg+0xcd/0x170 [ 691.144901][ T72] do_syscall_64+0xc6/0x1e0 [ 691.144901][ T72] [ 691.146847][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 691.146847][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 691.146847][ T72] ipv6_find_idev+0x102/0x170 [ 691.146847][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 691.146847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.146847][ T72] netlink_rcv_skb+0x130/0x360 [ 691.146847][ T72] netlink_unicast+0x449/0x710 [ 691.146847][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.146847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.146847][ T72] ___sys_sendmsg+0xee/0x170 [ 691.146847][ T72] __sys_sendmsg+0xcd/0x170 [ 691.146847][ T72] do_syscall_64+0xc6/0x1e0 [ 691.146847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.146847][ T72] [ 691.148380][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 691.148380][ T72] neigh_parms_alloc+0x1e5/0x510 [ 691.148380][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 691.148380][ T72] ipv6_find_idev+0x102/0x170 [ 691.148380][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 691.148380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.148380][ T72] netlink_rcv_skb+0x130/0x360 [ 691.148380][ T72] netlink_unicast+0x449/0x710 [ 691.148380][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.148380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.148380][ T72] ___sys_sendmsg+0xee/0x170 [ 691.148380][ T72] __sys_sendmsg+0xcd/0x170 [ 691.148380][ T72] do_syscall_64+0xc6/0x1e0 [ 691.148380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.148380][ T72] [ 691.150071][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 691.150340][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 691.150340][ T72] dst_init+0x84/0x4a0 [ 691.150340][ T72] dst_alloc+0x97/0x150 [ 691.150340][ T72] ip6_dst_alloc+0x23/0x90 [ 691.150340][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 691.150340][ T72] ip6_pol_route+0x56f/0x840 [ 691.150340][ T72] fib6_rule_lookup+0x456/0x630 [ 691.150340][ T72] ip6_route_input+0x59c/0xa50 [ 691.150340][ T72] ipv6_rcv+0x397/0x810 [ 691.150340][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 691.150340][ T72] process_backlog+0x101/0x620 [ 691.150340][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 691.150340][ T72] net_rx_action+0x495/0xbe0 [ 691.150340][ T72] __do_softirq+0x1b5/0x7f6 [ 691.150340][ T72] [ 691.151967][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 691.151967][ T72] netdev_get_by_index+0x5e/0x80 [ 691.151967][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.151967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.151967][ T72] addrconf_f6i_alloc+0x265/0x560 [ 691.151967][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 691.151967][ T72] addrconf_join_anycast+0x1c0/0x220 [ 691.151967][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 691.151967][ T72] addrconf_dad_completed+0x12b/0xe20 [ 691.151967][ T72] addrconf_dad_begin+0x310/0x670 [ 691.151967][ T72] addrconf_dad_work+0x10b/0xab0 [ 691.151967][ T72] process_one_work+0x84d/0x18a0 [ 691.151967][ T72] worker_thread+0x587/0xd30 [ 691.151967][ T72] kthread+0x28a/0x350 [ 691.151967][ T72] ret_from_fork+0x31/0x70 [ 691.151967][ T72] ret_from_fork_asm+0x1a/0x30 [ 691.151967][ T72] [ 691.153875][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 691.153875][ T72] netdev_get_by_index+0x5e/0x80 [ 691.153875][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.153875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.153875][ T72] ip6_route_add+0x1c/0x140 [ 691.153875][ T72] addrconf_prefix_route+0x2a6/0x430 [ 691.153875][ T72] inet6_addr_add+0x4f8/0xa40 [ 691.153875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.153875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.153875][ T72] netlink_rcv_skb+0x130/0x360 [ 691.153875][ T72] netlink_unicast+0x449/0x710 [ 691.153875][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.153875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.153875][ T72] ___sys_sendmsg+0xee/0x170 [ 691.153875][ T72] __sys_sendmsg+0xcd/0x170 [ 691.153875][ T72] do_syscall_64+0xc6/0x1e0 [ 691.153875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.153875][ T72] [ 691.155859][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 691.155859][ T72] netdev_get_by_index+0x5e/0x80 [ 691.155859][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.155859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.155859][ T72] addrconf_f6i_alloc+0x315/0x560 [ 691.155859][ T72] ipv6_add_addr+0x411/0x2000 [ 691.155859][ T72] inet6_addr_add+0x30e/0xa40 [ 691.155859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.155859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.155859][ T72] netlink_rcv_skb+0x130/0x360 [ 691.155859][ T72] netlink_unicast+0x449/0x710 [ 691.155859][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.155859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.155859][ T72] ___sys_sendmsg+0xee/0x170 [ 691.155859][ T72] __sys_sendmsg+0xcd/0x170 [ 691.155859][ T72] do_syscall_64+0xc6/0x1e0 [ 691.155859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.155859][ T72] [ 691.157863][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 691.157863][ T72] netdev_get_by_index+0x5e/0x80 [ 691.157863][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.157863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.157863][ T72] ip6_route_add+0x1c/0x140 [ 691.157863][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 691.157863][ T72] addrconf_add_dev+0xe2/0x170 [ 691.157863][ T72] inet6_addr_add+0x12f/0xa40 [ 691.157863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.157863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.157863][ T72] netlink_rcv_skb+0x130/0x360 [ 691.157863][ T72] netlink_unicast+0x449/0x710 [ 691.157863][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.157863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.157863][ T72] ___sys_sendmsg+0xee/0x170 [ 691.157863][ T72] __sys_sendmsg+0xcd/0x170 [ 691.157863][ T72] do_syscall_64+0xc6/0x1e0 [ 691.157863][ T72] [ 691.159816][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 691.159816][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 691.159816][ T72] ipv6_find_idev+0x102/0x170 [ 691.159816][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 691.159816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.159816][ T72] netlink_rcv_skb+0x130/0x360 [ 691.159816][ T72] netlink_unicast+0x449/0x710 [ 691.159816][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.159816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.159816][ T72] ___sys_sendmsg+0xee/0x170 [ 691.159816][ T72] __sys_sendmsg+0xcd/0x170 [ 691.159816][ T72] do_syscall_64+0xc6/0x1e0 [ 691.159816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.159816][ T72] [ 691.161361][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 691.161361][ T72] neigh_parms_alloc+0x1e5/0x510 [ 691.161361][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 691.161361][ T72] ipv6_find_idev+0x102/0x170 [ 691.161361][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 691.161361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.161361][ T72] netlink_rcv_skb+0x130/0x360 [ 691.161361][ T72] netlink_unicast+0x449/0x710 [ 691.161361][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.161361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.161361][ T72] ___sys_sendmsg+0xee/0x170 [ 691.161361][ T72] __sys_sendmsg+0xcd/0x170 [ 691.161361][ T72] do_syscall_64+0xc6/0x1e0 [ 691.161361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.161361][ T72] [ 691.163151][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 691.163417][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 691.163417][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 691.163417][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 691.163417][ T72] fib6_nh_init+0xa22/0x1580 [ 691.163417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.163417][ T72] ip6_route_add+0x1c/0x140 [ 691.163417][ T72] inet6_rtm_newroute+0x104/0x110 [ 691.163417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.163417][ T72] netlink_rcv_skb+0x130/0x360 [ 691.163417][ T72] netlink_unicast+0x449/0x710 [ 691.163417][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.163417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.163417][ T72] ___sys_sendmsg+0xee/0x170 [ 691.163417][ T72] __sys_sendmsg+0xcd/0x170 [ 691.163417][ T72] do_syscall_64+0xc6/0x1e0 [ 691.163417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.163417][ T72] [ 691.165658][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 691.165658][ T72] dst_init+0x84/0x4a0 [ 691.165658][ T72] dst_alloc+0x97/0x150 [ 691.165658][ T72] ip6_dst_alloc+0x23/0x90 [ 691.165658][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 691.165658][ T72] ip6_pol_route+0x56f/0x840 [ 691.165658][ T72] fib6_rule_lookup+0x456/0x630 [ 691.165658][ T72] ip6_route_input+0x59c/0xa50 [ 691.165658][ T72] ipv6_rcv+0x397/0x810 [ 691.165658][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 691.165658][ T72] process_backlog+0x101/0x620 [ 691.165658][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 691.165658][ T72] net_rx_action+0x495/0xbe0 [ 691.165658][ T72] __do_softirq+0x1b5/0x7f6 [ 691.165658][ T72] [ 691.167469][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 691.167469][ T72] netdev_get_by_index+0x5e/0x80 [ 691.167469][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.167469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.167469][ T72] ip6_route_add+0x1c/0x140 [ 691.167469][ T72] addrconf_prefix_route+0x2a6/0x430 [ 691.167469][ T72] inet6_addr_add+0x4f8/0xa40 [ 691.167469][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.167469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.167469][ T72] netlink_rcv_skb+0x130/0x360 [ 691.167469][ T72] netlink_unicast+0x449/0x710 [ 691.167469][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.167469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.167469][ T72] ___sys_sendmsg+0xee/0x170 [ 691.167469][ T72] __sys_sendmsg+0xcd/0x170 [ 691.167469][ T72] do_syscall_64+0xc6/0x1e0 [ 691.167469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.167469][ T72] [ 691.169698][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 691.169698][ T72] netdev_get_by_index+0x5e/0x80 [ 691.169698][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.169698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.169698][ T72] addrconf_f6i_alloc+0x315/0x560 [ 691.169698][ T72] ipv6_add_addr+0x411/0x2000 [ 691.169698][ T72] inet6_addr_add+0x30e/0xa40 [ 691.169698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.169698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.169698][ T72] netlink_rcv_skb+0x130/0x360 [ 691.169698][ T72] netlink_unicast+0x449/0x710 [ 691.169698][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.169698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.169698][ T72] ___sys_sendmsg+0xee/0x170 [ 691.169698][ T72] __sys_sendmsg+0xcd/0x170 [ 691.169698][ T72] do_syscall_64+0xc6/0x1e0 [ 691.169698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.169698][ T72] [ 691.171835][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 691.171835][ T72] netdev_get_by_index+0x5e/0x80 [ 691.171835][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.171835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.171835][ T72] ip6_route_add+0x1c/0x140 [ 691.171835][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 691.171835][ T72] addrconf_add_dev+0xe2/0x170 [ 691.171835][ T72] inet6_addr_add+0x12f/0xa40 [ 691.171835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.171835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.171835][ T72] netlink_rcv_skb+0x130/0x360 [ 691.171835][ T72] netlink_unicast+0x449/0x710 [ 691.171835][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.171835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.171835][ T72] ___sys_sendmsg+0xee/0x170 [ 691.171835][ T72] __sys_sendmsg+0xcd/0x170 [ 691.171835][ T72] do_syscall_64+0xc6/0x1e0 [ 691.171835][ T72] [ 691.174097][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 691.174097][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 691.174097][ T72] ipv6_find_idev+0x102/0x170 [ 691.174097][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 691.174097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.174097][ T72] netlink_rcv_skb+0x130/0x360 [ 691.174097][ T72] netlink_unicast+0x449/0x710 [ 691.174097][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.174097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.174097][ T72] ___sys_sendmsg+0xee/0x170 [ 691.174097][ T72] __sys_sendmsg+0xcd/0x170 [ 691.174097][ T72] do_syscall_64+0xc6/0x1e0 [ 691.174097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.174097][ T72] [ 691.175814][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 691.175814][ T72] neigh_parms_alloc+0x1e5/0x510 [ 691.175814][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 691.175814][ T72] ipv6_find_idev+0x102/0x170 [ 691.175814][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 691.175814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.175814][ T72] netlink_rcv_skb+0x130/0x360 [ 691.175814][ T72] netlink_unicast+0x449/0x710 [ 691.175814][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.175814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.175814][ T72] ___sys_sendmsg+0xee/0x170 [ 691.175814][ T72] __sys_sendmsg+0xcd/0x170 [ 691.175814][ T72] do_syscall_64+0xc6/0x1e0 [ 691.175814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.175814][ T72] [ 691.177690][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 691.178047][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 691.178047][ T72] netdev_get_by_index+0x5e/0x80 [ 691.178047][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.178047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.178047][ T72] addrconf_f6i_alloc+0x265/0x560 [ 691.178047][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 691.178047][ T72] addrconf_join_anycast+0x1c0/0x220 [ 691.178047][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 691.178047][ T72] addrconf_dad_completed+0x12b/0xe20 [ 691.178047][ T72] addrconf_dad_begin+0x310/0x670 [ 691.178047][ T72] addrconf_dad_work+0x10b/0xab0 [ 691.178047][ T72] process_one_work+0x84d/0x18a0 [ 691.178047][ T72] worker_thread+0x587/0xd30 [ 691.178047][ T72] kthread+0x28a/0x350 [ 691.178047][ T72] ret_from_fork+0x31/0x70 [ 691.178047][ T72] ret_from_fork_asm+0x1a/0x30 [ 691.178047][ T72] [ 691.180080][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 691.180080][ T72] netdev_get_by_index+0x5e/0x80 [ 691.180080][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.180080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.180080][ T72] ip6_route_add+0x1c/0x140 [ 691.180080][ T72] addrconf_prefix_route+0x2a6/0x430 [ 691.180080][ T72] inet6_addr_add+0x4f8/0xa40 [ 691.180080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.180080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.180080][ T72] netlink_rcv_skb+0x130/0x360 [ 691.180080][ T72] netlink_unicast+0x449/0x710 [ 691.180080][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.180080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.180080][ T72] ___sys_sendmsg+0xee/0x170 [ 691.180080][ T72] __sys_sendmsg+0xcd/0x170 [ 691.180080][ T72] do_syscall_64+0xc6/0x1e0 [ 691.180080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.180080][ T72] [ 691.182308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 691.182308][ T72] netdev_get_by_index+0x5e/0x80 [ 691.182308][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.182308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.182308][ T72] addrconf_f6i_alloc+0x315/0x560 [ 691.182308][ T72] ipv6_add_addr+0x411/0x2000 [ 691.182308][ T72] inet6_addr_add+0x30e/0xa40 [ 691.182308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.182308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.182308][ T72] netlink_rcv_skb+0x130/0x360 [ 691.182308][ T72] netlink_unicast+0x449/0x710 [ 691.182308][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.182308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.182308][ T72] ___sys_sendmsg+0xee/0x170 [ 691.182308][ T72] __sys_sendmsg+0xcd/0x170 [ 691.182308][ T72] do_syscall_64+0xc6/0x1e0 [ 691.182308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.182308][ T72] [ 691.185135][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 691.185135][ T72] netdev_get_by_index+0x5e/0x80 [ 691.185135][ T72] fib6_nh_init+0x3d8/0x1580 [ 691.185135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 691.185135][ T72] ip6_route_add+0x1c/0x140 [ 691.185135][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 691.185135][ T72] addrconf_add_dev+0xe2/0x170 [ 691.185135][ T72] inet6_addr_add+0x12f/0xa40 [ 691.185135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 691.185135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.185135][ T72] netlink_rcv_skb+0x130/0x360 [ 691.185135][ T72] netlink_unicast+0x449/0x710 [ 691.185135][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.185135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.185135][ T72] ___sys_sendmsg+0xee/0x170 [ 691.185135][ T72] __sys_sendmsg+0xcd/0x170 [ 691.185135][ T72] do_syscall_64+0xc6/0x1e0 [ 691.185135][ T72] [ 691.187326][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 691.187326][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 691.187326][ T72] ipv6_find_idev+0x102/0x170 [ 691.187326][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 691.187326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.187326][ T72] netlink_rcv_skb+0x130/0x360 [ 691.187326][ T72] netlink_unicast+0x449/0x710 [ 691.187326][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.187326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.187326][ T72] ___sys_sendmsg+0xee/0x170 [ 691.187326][ T72] __sys_sendmsg+0xcd/0x170 [ 691.187326][ T72] do_syscall_64+0xc6/0x1e0 [ 691.187326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.187326][ T72] [ 691.189033][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 691.189033][ T72] neigh_parms_alloc+0x1e5/0x510 [ 691.189033][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 691.189033][ T72] ipv6_find_idev+0x102/0x170 [ 691.189033][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 691.189033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 691.189033][ T72] netlink_rcv_skb+0x130/0x360 [ 691.189033][ T72] netlink_unicast+0x449/0x710 [ 691.189033][ T72] netlink_sendmsg+0x723/0xbe0 [ 691.189033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 691.189033][ T72] ___sys_sendmsg+0xee/0x170 [ 691.189033][ T72] __sys_sendmsg+0xcd/0x170 [ 691.189033][ T72] do_syscall_64+0xc6/0x1e0 [ 691.189033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 691.189033][ T72] [ 701.225000][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 701.225514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 701.225514][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 701.225514][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 701.225514][ T72] fib6_nh_init+0xa22/0x1580 [ 701.225514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.225514][ T72] ip6_route_add+0x1c/0x140 [ 701.225514][ T72] inet6_rtm_newroute+0x104/0x110 [ 701.225514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.225514][ T72] netlink_rcv_skb+0x130/0x360 [ 701.225514][ T72] netlink_unicast+0x449/0x710 [ 701.225514][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.225514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.225514][ T72] ___sys_sendmsg+0xee/0x170 [ 701.225514][ T72] __sys_sendmsg+0xcd/0x170 [ 701.225514][ T72] do_syscall_64+0xc6/0x1e0 [ 701.225514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.225514][ T72] [ 701.227391][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 701.227391][ T72] dst_init+0x84/0x4a0 [ 701.227391][ T72] dst_alloc+0x97/0x150 [ 701.227391][ T72] ip6_dst_alloc+0x23/0x90 [ 701.227391][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 701.227391][ T72] ip6_pol_route+0x56f/0x840 [ 701.227391][ T72] fib6_rule_lookup+0x456/0x630 [ 701.227391][ T72] ip6_route_input+0x59c/0xa50 [ 701.227391][ T72] ipv6_rcv+0x397/0x810 [ 701.227391][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 701.227391][ T72] process_backlog+0x101/0x620 [ 701.227391][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 701.227391][ T72] net_rx_action+0x495/0xbe0 [ 701.227391][ T72] __do_softirq+0x1b5/0x7f6 [ 701.227391][ T72] [ 701.229035][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 701.229035][ T72] netdev_get_by_index+0x5e/0x80 [ 701.229035][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.229035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.229035][ T72] ip6_route_add+0x1c/0x140 [ 701.229035][ T72] addrconf_prefix_route+0x2a6/0x430 [ 701.229035][ T72] inet6_addr_add+0x4f8/0xa40 [ 701.229035][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.229035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.229035][ T72] netlink_rcv_skb+0x130/0x360 [ 701.229035][ T72] netlink_unicast+0x449/0x710 [ 701.229035][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.229035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.229035][ T72] ___sys_sendmsg+0xee/0x170 [ 701.229035][ T72] __sys_sendmsg+0xcd/0x170 [ 701.229035][ T72] do_syscall_64+0xc6/0x1e0 [ 701.229035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.229035][ T72] [ 701.231020][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 701.231020][ T72] netdev_get_by_index+0x5e/0x80 [ 701.231020][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.231020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.231020][ T72] addrconf_f6i_alloc+0x315/0x560 [ 701.231020][ T72] ipv6_add_addr+0x411/0x2000 [ 701.231020][ T72] inet6_addr_add+0x30e/0xa40 [ 701.231020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.231020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.231020][ T72] netlink_rcv_skb+0x130/0x360 [ 701.231020][ T72] netlink_unicast+0x449/0x710 [ 701.231020][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.231020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.231020][ T72] ___sys_sendmsg+0xee/0x170 [ 701.231020][ T72] __sys_sendmsg+0xcd/0x170 [ 701.231020][ T72] do_syscall_64+0xc6/0x1e0 [ 701.231020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.231020][ T72] [ 701.232999][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 701.232999][ T72] netdev_get_by_index+0x5e/0x80 [ 701.232999][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.232999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.232999][ T72] ip6_route_add+0x1c/0x140 [ 701.232999][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 701.232999][ T72] addrconf_add_dev+0xe2/0x170 [ 701.232999][ T72] inet6_addr_add+0x12f/0xa40 [ 701.232999][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.232999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.232999][ T72] netlink_rcv_skb+0x130/0x360 [ 701.232999][ T72] netlink_unicast+0x449/0x710 [ 701.232999][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.232999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.232999][ T72] ___sys_sendmsg+0xee/0x170 [ 701.232999][ T72] __sys_sendmsg+0xcd/0x170 [ 701.232999][ T72] do_syscall_64+0xc6/0x1e0 [ 701.232999][ T72] [ 701.234959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 701.234959][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 701.234959][ T72] ipv6_find_idev+0x102/0x170 [ 701.234959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 701.234959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.234959][ T72] netlink_rcv_skb+0x130/0x360 [ 701.234959][ T72] netlink_unicast+0x449/0x710 [ 701.234959][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.234959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.234959][ T72] ___sys_sendmsg+0xee/0x170 [ 701.234959][ T72] __sys_sendmsg+0xcd/0x170 [ 701.234959][ T72] do_syscall_64+0xc6/0x1e0 [ 701.234959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.234959][ T72] [ 701.236484][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 701.236484][ T72] neigh_parms_alloc+0x1e5/0x510 [ 701.236484][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 701.236484][ T72] ipv6_find_idev+0x102/0x170 [ 701.236484][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 701.236484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.236484][ T72] netlink_rcv_skb+0x130/0x360 [ 701.236484][ T72] netlink_unicast+0x449/0x710 [ 701.236484][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.236484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.236484][ T72] ___sys_sendmsg+0xee/0x170 [ 701.236484][ T72] __sys_sendmsg+0xcd/0x170 [ 701.236484][ T72] do_syscall_64+0xc6/0x1e0 [ 701.236484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.236484][ T72] [ 701.238178][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 701.238442][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 701.238442][ T72] dst_init+0x84/0x4a0 [ 701.238442][ T72] dst_alloc+0x97/0x150 [ 701.238442][ T72] ip6_dst_alloc+0x23/0x90 [ 701.238442][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 701.238442][ T72] ip6_pol_route+0x56f/0x840 [ 701.238442][ T72] fib6_rule_lookup+0x456/0x630 [ 701.238442][ T72] ip6_route_input+0x59c/0xa50 [ 701.238442][ T72] ipv6_rcv+0x397/0x810 [ 701.238442][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 701.238442][ T72] process_backlog+0x101/0x620 [ 701.238442][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 701.238442][ T72] net_rx_action+0x495/0xbe0 [ 701.238442][ T72] __do_softirq+0x1b5/0x7f6 [ 701.238442][ T72] [ 701.240066][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 701.240066][ T72] netdev_get_by_index+0x5e/0x80 [ 701.240066][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.240066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.240066][ T72] addrconf_f6i_alloc+0x265/0x560 [ 701.240066][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 701.240066][ T72] addrconf_join_anycast+0x1c0/0x220 [ 701.240066][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 701.240066][ T72] addrconf_dad_completed+0x12b/0xe20 [ 701.240066][ T72] addrconf_dad_begin+0x310/0x670 [ 701.240066][ T72] addrconf_dad_work+0x10b/0xab0 [ 701.240066][ T72] process_one_work+0x84d/0x18a0 [ 701.240066][ T72] worker_thread+0x587/0xd30 [ 701.240066][ T72] kthread+0x28a/0x350 [ 701.240066][ T72] ret_from_fork+0x31/0x70 [ 701.240066][ T72] ret_from_fork_asm+0x1a/0x30 [ 701.240066][ T72] [ 701.241977][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 701.241977][ T72] netdev_get_by_index+0x5e/0x80 [ 701.241977][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.241977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.241977][ T72] ip6_route_add+0x1c/0x140 [ 701.241977][ T72] addrconf_prefix_route+0x2a6/0x430 [ 701.241977][ T72] inet6_addr_add+0x4f8/0xa40 [ 701.241977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.241977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.241977][ T72] netlink_rcv_skb+0x130/0x360 [ 701.241977][ T72] netlink_unicast+0x449/0x710 [ 701.241977][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.241977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.241977][ T72] ___sys_sendmsg+0xee/0x170 [ 701.241977][ T72] __sys_sendmsg+0xcd/0x170 [ 701.241977][ T72] do_syscall_64+0xc6/0x1e0 [ 701.241977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.241977][ T72] [ 701.243982][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 701.243982][ T72] netdev_get_by_index+0x5e/0x80 [ 701.243982][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.243982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.243982][ T72] addrconf_f6i_alloc+0x315/0x560 [ 701.243982][ T72] ipv6_add_addr+0x411/0x2000 [ 701.243982][ T72] inet6_addr_add+0x30e/0xa40 [ 701.243982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.243982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.243982][ T72] netlink_rcv_skb+0x130/0x360 [ 701.243982][ T72] netlink_unicast+0x449/0x710 [ 701.243982][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.243982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.243982][ T72] ___sys_sendmsg+0xee/0x170 [ 701.243982][ T72] __sys_sendmsg+0xcd/0x170 [ 701.243982][ T72] do_syscall_64+0xc6/0x1e0 [ 701.243982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.243982][ T72] [ 701.245973][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 701.245973][ T72] netdev_get_by_index+0x5e/0x80 [ 701.245973][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.245973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.245973][ T72] ip6_route_add+0x1c/0x140 [ 701.245973][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 701.245973][ T72] addrconf_add_dev+0xe2/0x170 [ 701.245973][ T72] inet6_addr_add+0x12f/0xa40 [ 701.245973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.245973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.245973][ T72] netlink_rcv_skb+0x130/0x360 [ 701.245973][ T72] netlink_unicast+0x449/0x710 [ 701.245973][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.245973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.245973][ T72] ___sys_sendmsg+0xee/0x170 [ 701.245973][ T72] __sys_sendmsg+0xcd/0x170 [ 701.245973][ T72] do_syscall_64+0xc6/0x1e0 [ 701.245973][ T72] [ 701.247929][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 701.247929][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 701.247929][ T72] ipv6_find_idev+0x102/0x170 [ 701.247929][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 701.247929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.247929][ T72] netlink_rcv_skb+0x130/0x360 [ 701.247929][ T72] netlink_unicast+0x449/0x710 [ 701.247929][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.247929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.247929][ T72] ___sys_sendmsg+0xee/0x170 [ 701.247929][ T72] __sys_sendmsg+0xcd/0x170 [ 701.247929][ T72] do_syscall_64+0xc6/0x1e0 [ 701.247929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.247929][ T72] [ 701.249447][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 701.249447][ T72] neigh_parms_alloc+0x1e5/0x510 [ 701.249447][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 701.249447][ T72] ipv6_find_idev+0x102/0x170 [ 701.249447][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 701.249447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.249447][ T72] netlink_rcv_skb+0x130/0x360 [ 701.249447][ T72] netlink_unicast+0x449/0x710 [ 701.249447][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.249447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.249447][ T72] ___sys_sendmsg+0xee/0x170 [ 701.249447][ T72] __sys_sendmsg+0xcd/0x170 [ 701.249447][ T72] do_syscall_64+0xc6/0x1e0 [ 701.249447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.249447][ T72] [ 701.251235][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 701.251501][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 701.251501][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 701.251501][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 701.251501][ T72] fib6_nh_init+0xa22/0x1580 [ 701.251501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.251501][ T72] ip6_route_add+0x1c/0x140 [ 701.251501][ T72] inet6_rtm_newroute+0x104/0x110 [ 701.251501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.251501][ T72] netlink_rcv_skb+0x130/0x360 [ 701.251501][ T72] netlink_unicast+0x449/0x710 [ 701.251501][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.251501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.251501][ T72] ___sys_sendmsg+0xee/0x170 [ 701.251501][ T72] __sys_sendmsg+0xcd/0x170 [ 701.251501][ T72] do_syscall_64+0xc6/0x1e0 [ 701.251501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.251501][ T72] [ 701.253668][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 701.253668][ T72] dst_init+0x84/0x4a0 [ 701.253668][ T72] dst_alloc+0x97/0x150 [ 701.253668][ T72] ip6_dst_alloc+0x23/0x90 [ 701.253668][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 701.253668][ T72] ip6_pol_route+0x56f/0x840 [ 701.253668][ T72] fib6_rule_lookup+0x456/0x630 [ 701.253668][ T72] ip6_route_input+0x59c/0xa50 [ 701.253668][ T72] ipv6_rcv+0x397/0x810 [ 701.253668][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 701.253668][ T72] process_backlog+0x101/0x620 [ 701.253668][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 701.253668][ T72] net_rx_action+0x495/0xbe0 [ 701.253668][ T72] __do_softirq+0x1b5/0x7f6 [ 701.253668][ T72] [ 701.255509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 701.255509][ T72] netdev_get_by_index+0x5e/0x80 [ 701.255509][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.255509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.255509][ T72] ip6_route_add+0x1c/0x140 [ 701.255509][ T72] addrconf_prefix_route+0x2a6/0x430 [ 701.255509][ T72] inet6_addr_add+0x4f8/0xa40 [ 701.255509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.255509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.255509][ T72] netlink_rcv_skb+0x130/0x360 [ 701.255509][ T72] netlink_unicast+0x449/0x710 [ 701.255509][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.255509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.255509][ T72] ___sys_sendmsg+0xee/0x170 [ 701.255509][ T72] __sys_sendmsg+0xcd/0x170 [ 701.255509][ T72] do_syscall_64+0xc6/0x1e0 [ 701.255509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.255509][ T72] [ 701.257794][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 701.257794][ T72] netdev_get_by_index+0x5e/0x80 [ 701.257794][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.257794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.257794][ T72] addrconf_f6i_alloc+0x315/0x560 [ 701.257794][ T72] ipv6_add_addr+0x411/0x2000 [ 701.257794][ T72] inet6_addr_add+0x30e/0xa40 [ 701.257794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.257794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.257794][ T72] netlink_rcv_skb+0x130/0x360 [ 701.257794][ T72] netlink_unicast+0x449/0x710 [ 701.257794][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.257794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.257794][ T72] ___sys_sendmsg+0xee/0x170 [ 701.257794][ T72] __sys_sendmsg+0xcd/0x170 [ 701.257794][ T72] do_syscall_64+0xc6/0x1e0 [ 701.257794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.257794][ T72] [ 701.259965][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 701.259965][ T72] netdev_get_by_index+0x5e/0x80 [ 701.259965][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.259965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.259965][ T72] ip6_route_add+0x1c/0x140 [ 701.259965][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 701.259965][ T72] addrconf_add_dev+0xe2/0x170 [ 701.259965][ T72] inet6_addr_add+0x12f/0xa40 [ 701.259965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.259965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.259965][ T72] netlink_rcv_skb+0x130/0x360 [ 701.259965][ T72] netlink_unicast+0x449/0x710 [ 701.259965][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.259965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.259965][ T72] ___sys_sendmsg+0xee/0x170 [ 701.259965][ T72] __sys_sendmsg+0xcd/0x170 [ 701.259965][ T72] do_syscall_64+0xc6/0x1e0 [ 701.259965][ T72] [ 701.262218][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 701.262218][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 701.262218][ T72] ipv6_find_idev+0x102/0x170 [ 701.262218][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 701.262218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.262218][ T72] netlink_rcv_skb+0x130/0x360 [ 701.262218][ T72] netlink_unicast+0x449/0x710 [ 701.262218][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.262218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.262218][ T72] ___sys_sendmsg+0xee/0x170 [ 701.262218][ T72] __sys_sendmsg+0xcd/0x170 [ 701.262218][ T72] do_syscall_64+0xc6/0x1e0 [ 701.262218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.262218][ T72] [ 701.263937][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 701.263937][ T72] neigh_parms_alloc+0x1e5/0x510 [ 701.263937][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 701.263937][ T72] ipv6_find_idev+0x102/0x170 [ 701.263937][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 701.263937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.263937][ T72] netlink_rcv_skb+0x130/0x360 [ 701.263937][ T72] netlink_unicast+0x449/0x710 [ 701.263937][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.263937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.263937][ T72] ___sys_sendmsg+0xee/0x170 [ 701.263937][ T72] __sys_sendmsg+0xcd/0x170 [ 701.263937][ T72] do_syscall_64+0xc6/0x1e0 [ 701.263937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.263937][ T72] [ 701.265816][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 701.266155][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 701.266155][ T72] netdev_get_by_index+0x5e/0x80 [ 701.266155][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.266155][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.266155][ T72] addrconf_f6i_alloc+0x265/0x560 [ 701.266155][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 701.266155][ T72] addrconf_join_anycast+0x1c0/0x220 [ 701.266155][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 701.266155][ T72] addrconf_dad_completed+0x12b/0xe20 [ 701.266155][ T72] addrconf_dad_begin+0x310/0x670 [ 701.266155][ T72] addrconf_dad_work+0x10b/0xab0 [ 701.266155][ T72] process_one_work+0x84d/0x18a0 [ 701.266155][ T72] worker_thread+0x587/0xd30 [ 701.266155][ T72] kthread+0x28a/0x350 [ 701.266155][ T72] ret_from_fork+0x31/0x70 [ 701.266155][ T72] ret_from_fork_asm+0x1a/0x30 [ 701.266155][ T72] [ 701.268173][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 701.268173][ T72] netdev_get_by_index+0x5e/0x80 [ 701.268173][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.268173][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.268173][ T72] ip6_route_add+0x1c/0x140 [ 701.268173][ T72] addrconf_prefix_route+0x2a6/0x430 [ 701.268173][ T72] inet6_addr_add+0x4f8/0xa40 [ 701.268173][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.268173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.268173][ T72] netlink_rcv_skb+0x130/0x360 [ 701.268173][ T72] netlink_unicast+0x449/0x710 [ 701.268173][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.268173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.268173][ T72] ___sys_sendmsg+0xee/0x170 [ 701.268173][ T72] __sys_sendmsg+0xcd/0x170 [ 701.268173][ T72] do_syscall_64+0xc6/0x1e0 [ 701.268173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.268173][ T72] [ 701.270391][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 701.270391][ T72] netdev_get_by_index+0x5e/0x80 [ 701.270391][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.270391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.270391][ T72] addrconf_f6i_alloc+0x315/0x560 [ 701.270391][ T72] ipv6_add_addr+0x411/0x2000 [ 701.270391][ T72] inet6_addr_add+0x30e/0xa40 [ 701.270391][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.270391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.270391][ T72] netlink_rcv_skb+0x130/0x360 [ 701.270391][ T72] netlink_unicast+0x449/0x710 [ 701.270391][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.270391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.270391][ T72] ___sys_sendmsg+0xee/0x170 [ 701.270391][ T72] __sys_sendmsg+0xcd/0x170 [ 701.270391][ T72] do_syscall_64+0xc6/0x1e0 [ 701.270391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.270391][ T72] [ 701.272718][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 701.272718][ T72] netdev_get_by_index+0x5e/0x80 [ 701.272718][ T72] fib6_nh_init+0x3d8/0x1580 [ 701.272718][ T72] ip6_route_info_create+0xf18/0x17d0 [ 701.272718][ T72] ip6_route_add+0x1c/0x140 [ 701.272718][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 701.272718][ T72] addrconf_add_dev+0xe2/0x170 [ 701.272718][ T72] inet6_addr_add+0x12f/0xa40 [ 701.272718][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 701.272718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.272718][ T72] netlink_rcv_skb+0x130/0x360 [ 701.272718][ T72] netlink_unicast+0x449/0x710 [ 701.272718][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.272718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.272718][ T72] ___sys_sendmsg+0xee/0x170 [ 701.272718][ T72] __sys_sendmsg+0xcd/0x170 [ 701.272718][ T72] do_syscall_64+0xc6/0x1e0 [ 701.272718][ T72] [ 701.274913][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 701.274913][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 701.274913][ T72] ipv6_find_idev+0x102/0x170 [ 701.274913][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 701.274913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.274913][ T72] netlink_rcv_skb+0x130/0x360 [ 701.274913][ T72] netlink_unicast+0x449/0x710 [ 701.274913][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.274913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.274913][ T72] ___sys_sendmsg+0xee/0x170 [ 701.274913][ T72] __sys_sendmsg+0xcd/0x170 [ 701.274913][ T72] do_syscall_64+0xc6/0x1e0 [ 701.274913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.274913][ T72] [ 701.276616][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 701.276616][ T72] neigh_parms_alloc+0x1e5/0x510 [ 701.276616][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 701.276616][ T72] ipv6_find_idev+0x102/0x170 [ 701.276616][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 701.276616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 701.276616][ T72] netlink_rcv_skb+0x130/0x360 [ 701.276616][ T72] netlink_unicast+0x449/0x710 [ 701.276616][ T72] netlink_sendmsg+0x723/0xbe0 [ 701.276616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 701.276616][ T72] ___sys_sendmsg+0xee/0x170 [ 701.276616][ T72] __sys_sendmsg+0xcd/0x170 [ 701.276616][ T72] do_syscall_64+0xc6/0x1e0 [ 701.276616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 701.276616][ T72] [ 711.520922][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 711.521411][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 711.521411][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 711.521411][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 711.521411][ T72] fib6_nh_init+0xa22/0x1580 [ 711.521411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.521411][ T72] ip6_route_add+0x1c/0x140 [ 711.521411][ T72] inet6_rtm_newroute+0x104/0x110 [ 711.521411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.521411][ T72] netlink_rcv_skb+0x130/0x360 [ 711.521411][ T72] netlink_unicast+0x449/0x710 [ 711.521411][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.521411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.521411][ T72] ___sys_sendmsg+0xee/0x170 [ 711.521411][ T72] __sys_sendmsg+0xcd/0x170 [ 711.521411][ T72] do_syscall_64+0xc6/0x1e0 [ 711.521411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.521411][ T72] [ 711.523306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 711.523306][ T72] dst_init+0x84/0x4a0 [ 711.523306][ T72] dst_alloc+0x97/0x150 [ 711.523306][ T72] ip6_dst_alloc+0x23/0x90 [ 711.523306][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 711.523306][ T72] ip6_pol_route+0x56f/0x840 [ 711.523306][ T72] fib6_rule_lookup+0x456/0x630 [ 711.523306][ T72] ip6_route_input+0x59c/0xa50 [ 711.523306][ T72] ipv6_rcv+0x397/0x810 [ 711.523306][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 711.523306][ T72] process_backlog+0x101/0x620 [ 711.523306][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 711.523306][ T72] net_rx_action+0x495/0xbe0 [ 711.523306][ T72] __do_softirq+0x1b5/0x7f6 [ 711.523306][ T72] [ 711.524948][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 711.524948][ T72] netdev_get_by_index+0x5e/0x80 [ 711.524948][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.524948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.524948][ T72] ip6_route_add+0x1c/0x140 [ 711.524948][ T72] addrconf_prefix_route+0x2a6/0x430 [ 711.524948][ T72] inet6_addr_add+0x4f8/0xa40 [ 711.524948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.524948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.524948][ T72] netlink_rcv_skb+0x130/0x360 [ 711.524948][ T72] netlink_unicast+0x449/0x710 [ 711.524948][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.524948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.524948][ T72] ___sys_sendmsg+0xee/0x170 [ 711.524948][ T72] __sys_sendmsg+0xcd/0x170 [ 711.524948][ T72] do_syscall_64+0xc6/0x1e0 [ 711.524948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.524948][ T72] [ 711.526926][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 711.526926][ T72] netdev_get_by_index+0x5e/0x80 [ 711.526926][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.526926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.526926][ T72] addrconf_f6i_alloc+0x315/0x560 [ 711.526926][ T72] ipv6_add_addr+0x411/0x2000 [ 711.526926][ T72] inet6_addr_add+0x30e/0xa40 [ 711.526926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.526926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.526926][ T72] netlink_rcv_skb+0x130/0x360 [ 711.526926][ T72] netlink_unicast+0x449/0x710 [ 711.526926][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.526926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.526926][ T72] ___sys_sendmsg+0xee/0x170 [ 711.526926][ T72] __sys_sendmsg+0xcd/0x170 [ 711.526926][ T72] do_syscall_64+0xc6/0x1e0 [ 711.526926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.526926][ T72] [ 711.528917][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 711.528917][ T72] netdev_get_by_index+0x5e/0x80 [ 711.528917][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.528917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.528917][ T72] ip6_route_add+0x1c/0x140 [ 711.528917][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 711.528917][ T72] addrconf_add_dev+0xe2/0x170 [ 711.528917][ T72] inet6_addr_add+0x12f/0xa40 [ 711.528917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.528917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.528917][ T72] netlink_rcv_skb+0x130/0x360 [ 711.528917][ T72] netlink_unicast+0x449/0x710 [ 711.528917][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.528917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.528917][ T72] ___sys_sendmsg+0xee/0x170 [ 711.528917][ T72] __sys_sendmsg+0xcd/0x170 [ 711.528917][ T72] do_syscall_64+0xc6/0x1e0 [ 711.528917][ T72] [ 711.530860][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 711.530860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 711.530860][ T72] ipv6_find_idev+0x102/0x170 [ 711.530860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 711.530860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.530860][ T72] netlink_rcv_skb+0x130/0x360 [ 711.530860][ T72] netlink_unicast+0x449/0x710 [ 711.530860][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.530860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.530860][ T72] ___sys_sendmsg+0xee/0x170 [ 711.530860][ T72] __sys_sendmsg+0xcd/0x170 [ 711.530860][ T72] do_syscall_64+0xc6/0x1e0 [ 711.530860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.530860][ T72] [ 711.532382][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 711.532382][ T72] neigh_parms_alloc+0x1e5/0x510 [ 711.532382][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 711.532382][ T72] ipv6_find_idev+0x102/0x170 [ 711.532382][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 711.532382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.532382][ T72] netlink_rcv_skb+0x130/0x360 [ 711.532382][ T72] netlink_unicast+0x449/0x710 [ 711.532382][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.532382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.532382][ T72] ___sys_sendmsg+0xee/0x170 [ 711.532382][ T72] __sys_sendmsg+0xcd/0x170 [ 711.532382][ T72] do_syscall_64+0xc6/0x1e0 [ 711.532382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.532382][ T72] [ 711.534064][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 711.534338][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 711.534338][ T72] dst_init+0x84/0x4a0 [ 711.534338][ T72] dst_alloc+0x97/0x150 [ 711.534338][ T72] ip6_dst_alloc+0x23/0x90 [ 711.534338][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 711.534338][ T72] ip6_pol_route+0x56f/0x840 [ 711.534338][ T72] fib6_rule_lookup+0x456/0x630 [ 711.534338][ T72] ip6_route_input+0x59c/0xa50 [ 711.534338][ T72] ipv6_rcv+0x397/0x810 [ 711.534338][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 711.534338][ T72] process_backlog+0x101/0x620 [ 711.534338][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 711.534338][ T72] net_rx_action+0x495/0xbe0 [ 711.534338][ T72] __do_softirq+0x1b5/0x7f6 [ 711.534338][ T72] [ 711.535962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 711.535962][ T72] netdev_get_by_index+0x5e/0x80 [ 711.535962][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.535962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.535962][ T72] addrconf_f6i_alloc+0x265/0x560 [ 711.535962][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 711.535962][ T72] addrconf_join_anycast+0x1c0/0x220 [ 711.535962][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 711.535962][ T72] addrconf_dad_completed+0x12b/0xe20 [ 711.535962][ T72] addrconf_dad_begin+0x310/0x670 [ 711.535962][ T72] addrconf_dad_work+0x10b/0xab0 [ 711.535962][ T72] process_one_work+0x84d/0x18a0 [ 711.535962][ T72] worker_thread+0x587/0xd30 [ 711.535962][ T72] kthread+0x28a/0x350 [ 711.535962][ T72] ret_from_fork+0x31/0x70 [ 711.535962][ T72] ret_from_fork_asm+0x1a/0x30 [ 711.535962][ T72] [ 711.537851][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 711.537851][ T72] netdev_get_by_index+0x5e/0x80 [ 711.537851][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.537851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.537851][ T72] ip6_route_add+0x1c/0x140 [ 711.537851][ T72] addrconf_prefix_route+0x2a6/0x430 [ 711.537851][ T72] inet6_addr_add+0x4f8/0xa40 [ 711.537851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.537851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.537851][ T72] netlink_rcv_skb+0x130/0x360 [ 711.537851][ T72] netlink_unicast+0x449/0x710 [ 711.537851][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.537851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.537851][ T72] ___sys_sendmsg+0xee/0x170 [ 711.537851][ T72] __sys_sendmsg+0xcd/0x170 [ 711.537851][ T72] do_syscall_64+0xc6/0x1e0 [ 711.537851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.537851][ T72] [ 711.539839][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 711.539839][ T72] netdev_get_by_index+0x5e/0x80 [ 711.539839][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.539839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.539839][ T72] addrconf_f6i_alloc+0x315/0x560 [ 711.539839][ T72] ipv6_add_addr+0x411/0x2000 [ 711.539839][ T72] inet6_addr_add+0x30e/0xa40 [ 711.539839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.539839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.539839][ T72] netlink_rcv_skb+0x130/0x360 [ 711.539839][ T72] netlink_unicast+0x449/0x710 [ 711.539839][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.539839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.539839][ T72] ___sys_sendmsg+0xee/0x170 [ 711.539839][ T72] __sys_sendmsg+0xcd/0x170 [ 711.539839][ T72] do_syscall_64+0xc6/0x1e0 [ 711.539839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.539839][ T72] [ 711.541815][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 711.541815][ T72] netdev_get_by_index+0x5e/0x80 [ 711.541815][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.541815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.541815][ T72] ip6_route_add+0x1c/0x140 [ 711.541815][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 711.541815][ T72] addrconf_add_dev+0xe2/0x170 [ 711.541815][ T72] inet6_addr_add+0x12f/0xa40 [ 711.541815][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.541815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.541815][ T72] netlink_rcv_skb+0x130/0x360 [ 711.541815][ T72] netlink_unicast+0x449/0x710 [ 711.541815][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.541815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.541815][ T72] ___sys_sendmsg+0xee/0x170 [ 711.541815][ T72] __sys_sendmsg+0xcd/0x170 [ 711.541815][ T72] do_syscall_64+0xc6/0x1e0 [ 711.541815][ T72] [ 711.543769][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 711.543769][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 711.543769][ T72] ipv6_find_idev+0x102/0x170 [ 711.543769][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 711.543769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.543769][ T72] netlink_rcv_skb+0x130/0x360 [ 711.543769][ T72] netlink_unicast+0x449/0x710 [ 711.543769][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.543769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.543769][ T72] ___sys_sendmsg+0xee/0x170 [ 711.543769][ T72] __sys_sendmsg+0xcd/0x170 [ 711.543769][ T72] do_syscall_64+0xc6/0x1e0 [ 711.543769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.543769][ T72] [ 711.545301][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 711.545301][ T72] neigh_parms_alloc+0x1e5/0x510 [ 711.545301][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 711.545301][ T72] ipv6_find_idev+0x102/0x170 [ 711.545301][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 711.545301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.545301][ T72] netlink_rcv_skb+0x130/0x360 [ 711.545301][ T72] netlink_unicast+0x449/0x710 [ 711.545301][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.545301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.545301][ T72] ___sys_sendmsg+0xee/0x170 [ 711.545301][ T72] __sys_sendmsg+0xcd/0x170 [ 711.545301][ T72] do_syscall_64+0xc6/0x1e0 [ 711.545301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.545301][ T72] [ 711.547027][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 711.547353][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 711.547353][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 711.547353][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 711.547353][ T72] fib6_nh_init+0xa22/0x1580 [ 711.547353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.547353][ T72] ip6_route_add+0x1c/0x140 [ 711.547353][ T72] inet6_rtm_newroute+0x104/0x110 [ 711.547353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.547353][ T72] netlink_rcv_skb+0x130/0x360 [ 711.547353][ T72] netlink_unicast+0x449/0x710 [ 711.547353][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.547353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.547353][ T72] ___sys_sendmsg+0xee/0x170 [ 711.547353][ T72] __sys_sendmsg+0xcd/0x170 [ 711.547353][ T72] do_syscall_64+0xc6/0x1e0 [ 711.547353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.547353][ T72] [ 711.549569][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 711.549569][ T72] dst_init+0x84/0x4a0 [ 711.549569][ T72] dst_alloc+0x97/0x150 [ 711.549569][ T72] ip6_dst_alloc+0x23/0x90 [ 711.549569][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 711.549569][ T72] ip6_pol_route+0x56f/0x840 [ 711.549569][ T72] fib6_rule_lookup+0x456/0x630 [ 711.549569][ T72] ip6_route_input+0x59c/0xa50 [ 711.549569][ T72] ipv6_rcv+0x397/0x810 [ 711.549569][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 711.549569][ T72] process_backlog+0x101/0x620 [ 711.549569][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 711.549569][ T72] net_rx_action+0x495/0xbe0 [ 711.549569][ T72] __do_softirq+0x1b5/0x7f6 [ 711.549569][ T72] [ 711.551435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 711.551435][ T72] netdev_get_by_index+0x5e/0x80 [ 711.551435][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.551435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.551435][ T72] ip6_route_add+0x1c/0x140 [ 711.551435][ T72] addrconf_prefix_route+0x2a6/0x430 [ 711.551435][ T72] inet6_addr_add+0x4f8/0xa40 [ 711.551435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.551435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.551435][ T72] netlink_rcv_skb+0x130/0x360 [ 711.551435][ T72] netlink_unicast+0x449/0x710 [ 711.551435][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.551435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.551435][ T72] ___sys_sendmsg+0xee/0x170 [ 711.551435][ T72] __sys_sendmsg+0xcd/0x170 [ 711.551435][ T72] do_syscall_64+0xc6/0x1e0 [ 711.551435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.551435][ T72] [ 711.553608][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 711.553608][ T72] netdev_get_by_index+0x5e/0x80 [ 711.553608][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.553608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.553608][ T72] addrconf_f6i_alloc+0x315/0x560 [ 711.553608][ T72] ipv6_add_addr+0x411/0x2000 [ 711.553608][ T72] inet6_addr_add+0x30e/0xa40 [ 711.553608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.553608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.553608][ T72] netlink_rcv_skb+0x130/0x360 [ 711.553608][ T72] netlink_unicast+0x449/0x710 [ 711.553608][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.553608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.553608][ T72] ___sys_sendmsg+0xee/0x170 [ 711.553608][ T72] __sys_sendmsg+0xcd/0x170 [ 711.553608][ T72] do_syscall_64+0xc6/0x1e0 [ 711.553608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.553608][ T72] [ 711.555828][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 711.555828][ T72] netdev_get_by_index+0x5e/0x80 [ 711.555828][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.555828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.555828][ T72] ip6_route_add+0x1c/0x140 [ 711.555828][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 711.555828][ T72] addrconf_add_dev+0xe2/0x170 [ 711.555828][ T72] inet6_addr_add+0x12f/0xa40 [ 711.555828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.555828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.555828][ T72] netlink_rcv_skb+0x130/0x360 [ 711.555828][ T72] netlink_unicast+0x449/0x710 [ 711.555828][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.555828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.555828][ T72] ___sys_sendmsg+0xee/0x170 [ 711.555828][ T72] __sys_sendmsg+0xcd/0x170 [ 711.555828][ T72] do_syscall_64+0xc6/0x1e0 [ 711.555828][ T72] [ 711.558072][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 711.558072][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 711.558072][ T72] ipv6_find_idev+0x102/0x170 [ 711.558072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 711.558072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.558072][ T72] netlink_rcv_skb+0x130/0x360 [ 711.558072][ T72] netlink_unicast+0x449/0x710 [ 711.558072][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.558072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.558072][ T72] ___sys_sendmsg+0xee/0x170 [ 711.558072][ T72] __sys_sendmsg+0xcd/0x170 [ 711.558072][ T72] do_syscall_64+0xc6/0x1e0 [ 711.558072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.558072][ T72] [ 711.559775][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 711.559775][ T72] neigh_parms_alloc+0x1e5/0x510 [ 711.559775][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 711.559775][ T72] ipv6_find_idev+0x102/0x170 [ 711.559775][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 711.559775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.559775][ T72] netlink_rcv_skb+0x130/0x360 [ 711.559775][ T72] netlink_unicast+0x449/0x710 [ 711.559775][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.559775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.559775][ T72] ___sys_sendmsg+0xee/0x170 [ 711.559775][ T72] __sys_sendmsg+0xcd/0x170 [ 711.559775][ T72] do_syscall_64+0xc6/0x1e0 [ 711.559775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.559775][ T72] [ 711.562155][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 711.562479][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 711.562479][ T72] netdev_get_by_index+0x5e/0x80 [ 711.562479][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.562479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.562479][ T72] addrconf_f6i_alloc+0x265/0x560 [ 711.562479][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 711.562479][ T72] addrconf_join_anycast+0x1c0/0x220 [ 711.562479][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 711.562479][ T72] addrconf_dad_completed+0x12b/0xe20 [ 711.562479][ T72] addrconf_dad_begin+0x310/0x670 [ 711.562479][ T72] addrconf_dad_work+0x10b/0xab0 [ 711.562479][ T72] process_one_work+0x84d/0x18a0 [ 711.562479][ T72] worker_thread+0x587/0xd30 [ 711.562479][ T72] kthread+0x28a/0x350 [ 711.562479][ T72] ret_from_fork+0x31/0x70 [ 711.562479][ T72] ret_from_fork_asm+0x1a/0x30 [ 711.562479][ T72] [ 711.564560][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 711.564560][ T72] netdev_get_by_index+0x5e/0x80 [ 711.564560][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.564560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.564560][ T72] ip6_route_add+0x1c/0x140 [ 711.564560][ T72] addrconf_prefix_route+0x2a6/0x430 [ 711.564560][ T72] inet6_addr_add+0x4f8/0xa40 [ 711.564560][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.564560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.564560][ T72] netlink_rcv_skb+0x130/0x360 [ 711.564560][ T72] netlink_unicast+0x449/0x710 [ 711.564560][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.564560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.564560][ T72] ___sys_sendmsg+0xee/0x170 [ 711.564560][ T72] __sys_sendmsg+0xcd/0x170 [ 711.564560][ T72] do_syscall_64+0xc6/0x1e0 [ 711.564560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.564560][ T72] [ 711.566775][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 711.566775][ T72] netdev_get_by_index+0x5e/0x80 [ 711.566775][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.566775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.566775][ T72] addrconf_f6i_alloc+0x315/0x560 [ 711.566775][ T72] ipv6_add_addr+0x411/0x2000 [ 711.566775][ T72] inet6_addr_add+0x30e/0xa40 [ 711.566775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.566775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.566775][ T72] netlink_rcv_skb+0x130/0x360 [ 711.566775][ T72] netlink_unicast+0x449/0x710 [ 711.566775][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.566775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.566775][ T72] ___sys_sendmsg+0xee/0x170 [ 711.566775][ T72] __sys_sendmsg+0xcd/0x170 [ 711.566775][ T72] do_syscall_64+0xc6/0x1e0 [ 711.566775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.566775][ T72] [ 711.569064][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 711.569064][ T72] netdev_get_by_index+0x5e/0x80 [ 711.569064][ T72] fib6_nh_init+0x3d8/0x1580 [ 711.569064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 711.569064][ T72] ip6_route_add+0x1c/0x140 [ 711.569064][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 711.569064][ T72] addrconf_add_dev+0xe2/0x170 [ 711.569064][ T72] inet6_addr_add+0x12f/0xa40 [ 711.569064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 711.569064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.569064][ T72] netlink_rcv_skb+0x130/0x360 [ 711.569064][ T72] netlink_unicast+0x449/0x710 [ 711.569064][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.569064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.569064][ T72] ___sys_sendmsg+0xee/0x170 [ 711.569064][ T72] __sys_sendmsg+0xcd/0x170 [ 711.569064][ T72] do_syscall_64+0xc6/0x1e0 [ 711.569064][ T72] [ 711.571249][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 711.571249][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 711.571249][ T72] ipv6_find_idev+0x102/0x170 [ 711.571249][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 711.571249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.571249][ T72] netlink_rcv_skb+0x130/0x360 [ 711.571249][ T72] netlink_unicast+0x449/0x710 [ 711.571249][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.571249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.571249][ T72] ___sys_sendmsg+0xee/0x170 [ 711.571249][ T72] __sys_sendmsg+0xcd/0x170 [ 711.571249][ T72] do_syscall_64+0xc6/0x1e0 [ 711.571249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.571249][ T72] [ 711.572954][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 711.572954][ T72] neigh_parms_alloc+0x1e5/0x510 [ 711.572954][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 711.572954][ T72] ipv6_find_idev+0x102/0x170 [ 711.572954][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 711.572954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 711.572954][ T72] netlink_rcv_skb+0x130/0x360 [ 711.572954][ T72] netlink_unicast+0x449/0x710 [ 711.572954][ T72] netlink_sendmsg+0x723/0xbe0 [ 711.572954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 711.572954][ T72] ___sys_sendmsg+0xee/0x170 [ 711.572954][ T72] __sys_sendmsg+0xcd/0x170 [ 711.572954][ T72] do_syscall_64+0xc6/0x1e0 [ 711.572954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 711.572954][ T72] [ 721.816980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 721.817479][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 721.817479][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 721.817479][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 721.817479][ T72] fib6_nh_init+0xa22/0x1580 [ 721.817479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.817479][ T72] ip6_route_add+0x1c/0x140 [ 721.817479][ T72] inet6_rtm_newroute+0x104/0x110 [ 721.817479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.817479][ T72] netlink_rcv_skb+0x130/0x360 [ 721.817479][ T72] netlink_unicast+0x449/0x710 [ 721.817479][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.817479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.817479][ T72] ___sys_sendmsg+0xee/0x170 [ 721.817479][ T72] __sys_sendmsg+0xcd/0x170 [ 721.817479][ T72] do_syscall_64+0xc6/0x1e0 [ 721.817479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.817479][ T72] [ 721.819364][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 721.819364][ T72] dst_init+0x84/0x4a0 [ 721.819364][ T72] dst_alloc+0x97/0x150 [ 721.819364][ T72] ip6_dst_alloc+0x23/0x90 [ 721.819364][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 721.819364][ T72] ip6_pol_route+0x56f/0x840 [ 721.819364][ T72] fib6_rule_lookup+0x456/0x630 [ 721.819364][ T72] ip6_route_input+0x59c/0xa50 [ 721.819364][ T72] ipv6_rcv+0x397/0x810 [ 721.819364][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 721.819364][ T72] process_backlog+0x101/0x620 [ 721.819364][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 721.819364][ T72] net_rx_action+0x495/0xbe0 [ 721.819364][ T72] __do_softirq+0x1b5/0x7f6 [ 721.819364][ T72] [ 721.820998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 721.820998][ T72] netdev_get_by_index+0x5e/0x80 [ 721.820998][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.820998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.820998][ T72] ip6_route_add+0x1c/0x140 [ 721.820998][ T72] addrconf_prefix_route+0x2a6/0x430 [ 721.820998][ T72] inet6_addr_add+0x4f8/0xa40 [ 721.820998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.820998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.820998][ T72] netlink_rcv_skb+0x130/0x360 [ 721.820998][ T72] netlink_unicast+0x449/0x710 [ 721.820998][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.820998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.820998][ T72] ___sys_sendmsg+0xee/0x170 [ 721.820998][ T72] __sys_sendmsg+0xcd/0x170 [ 721.820998][ T72] do_syscall_64+0xc6/0x1e0 [ 721.820998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.820998][ T72] [ 721.822973][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 721.822973][ T72] netdev_get_by_index+0x5e/0x80 [ 721.822973][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.822973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.822973][ T72] addrconf_f6i_alloc+0x315/0x560 [ 721.822973][ T72] ipv6_add_addr+0x411/0x2000 [ 721.822973][ T72] inet6_addr_add+0x30e/0xa40 [ 721.822973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.822973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.822973][ T72] netlink_rcv_skb+0x130/0x360 [ 721.822973][ T72] netlink_unicast+0x449/0x710 [ 721.822973][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.822973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.822973][ T72] ___sys_sendmsg+0xee/0x170 [ 721.822973][ T72] __sys_sendmsg+0xcd/0x170 [ 721.822973][ T72] do_syscall_64+0xc6/0x1e0 [ 721.822973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.822973][ T72] [ 721.824966][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 721.824966][ T72] netdev_get_by_index+0x5e/0x80 [ 721.824966][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.824966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.824966][ T72] ip6_route_add+0x1c/0x140 [ 721.824966][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 721.824966][ T72] addrconf_add_dev+0xe2/0x170 [ 721.824966][ T72] inet6_addr_add+0x12f/0xa40 [ 721.824966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.824966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.824966][ T72] netlink_rcv_skb+0x130/0x360 [ 721.824966][ T72] netlink_unicast+0x449/0x710 [ 721.824966][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.824966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.824966][ T72] ___sys_sendmsg+0xee/0x170 [ 721.824966][ T72] __sys_sendmsg+0xcd/0x170 [ 721.824966][ T72] do_syscall_64+0xc6/0x1e0 [ 721.824966][ T72] [ 721.826919][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 721.826919][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 721.826919][ T72] ipv6_find_idev+0x102/0x170 [ 721.826919][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 721.826919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.826919][ T72] netlink_rcv_skb+0x130/0x360 [ 721.826919][ T72] netlink_unicast+0x449/0x710 [ 721.826919][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.826919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.826919][ T72] ___sys_sendmsg+0xee/0x170 [ 721.826919][ T72] __sys_sendmsg+0xcd/0x170 [ 721.826919][ T72] do_syscall_64+0xc6/0x1e0 [ 721.826919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.826919][ T72] [ 721.828450][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 721.828450][ T72] neigh_parms_alloc+0x1e5/0x510 [ 721.828450][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 721.828450][ T72] ipv6_find_idev+0x102/0x170 [ 721.828450][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 721.828450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.828450][ T72] netlink_rcv_skb+0x130/0x360 [ 721.828450][ T72] netlink_unicast+0x449/0x710 [ 721.828450][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.828450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.828450][ T72] ___sys_sendmsg+0xee/0x170 [ 721.828450][ T72] __sys_sendmsg+0xcd/0x170 [ 721.828450][ T72] do_syscall_64+0xc6/0x1e0 [ 721.828450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.828450][ T72] [ 721.830144][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 721.830415][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 721.830415][ T72] dst_init+0x84/0x4a0 [ 721.830415][ T72] dst_alloc+0x97/0x150 [ 721.830415][ T72] ip6_dst_alloc+0x23/0x90 [ 721.830415][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 721.830415][ T72] ip6_pol_route+0x56f/0x840 [ 721.830415][ T72] fib6_rule_lookup+0x456/0x630 [ 721.830415][ T72] ip6_route_input+0x59c/0xa50 [ 721.830415][ T72] ipv6_rcv+0x397/0x810 [ 721.830415][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 721.830415][ T72] process_backlog+0x101/0x620 [ 721.830415][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 721.830415][ T72] net_rx_action+0x495/0xbe0 [ 721.830415][ T72] __do_softirq+0x1b5/0x7f6 [ 721.830415][ T72] [ 721.832048][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 721.832048][ T72] netdev_get_by_index+0x5e/0x80 [ 721.832048][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.832048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.832048][ T72] addrconf_f6i_alloc+0x265/0x560 [ 721.832048][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 721.832048][ T72] addrconf_join_anycast+0x1c0/0x220 [ 721.832048][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 721.832048][ T72] addrconf_dad_completed+0x12b/0xe20 [ 721.832048][ T72] addrconf_dad_begin+0x310/0x670 [ 721.832048][ T72] addrconf_dad_work+0x10b/0xab0 [ 721.832048][ T72] process_one_work+0x84d/0x18a0 [ 721.832048][ T72] worker_thread+0x587/0xd30 [ 721.832048][ T72] kthread+0x28a/0x350 [ 721.832048][ T72] ret_from_fork+0x31/0x70 [ 721.832048][ T72] ret_from_fork_asm+0x1a/0x30 [ 721.832048][ T72] [ 721.833937][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 721.833937][ T72] netdev_get_by_index+0x5e/0x80 [ 721.833937][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.833937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.833937][ T72] ip6_route_add+0x1c/0x140 [ 721.833937][ T72] addrconf_prefix_route+0x2a6/0x430 [ 721.833937][ T72] inet6_addr_add+0x4f8/0xa40 [ 721.833937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.833937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.833937][ T72] netlink_rcv_skb+0x130/0x360 [ 721.833937][ T72] netlink_unicast+0x449/0x710 [ 721.833937][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.833937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.833937][ T72] ___sys_sendmsg+0xee/0x170 [ 721.833937][ T72] __sys_sendmsg+0xcd/0x170 [ 721.833937][ T72] do_syscall_64+0xc6/0x1e0 [ 721.833937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.833937][ T72] [ 721.835919][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 721.835919][ T72] netdev_get_by_index+0x5e/0x80 [ 721.835919][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.835919][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.835919][ T72] addrconf_f6i_alloc+0x315/0x560 [ 721.835919][ T72] ipv6_add_addr+0x411/0x2000 [ 721.835919][ T72] inet6_addr_add+0x30e/0xa40 [ 721.835919][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.835919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.835919][ T72] netlink_rcv_skb+0x130/0x360 [ 721.835919][ T72] netlink_unicast+0x449/0x710 [ 721.835919][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.835919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.835919][ T72] ___sys_sendmsg+0xee/0x170 [ 721.835919][ T72] __sys_sendmsg+0xcd/0x170 [ 721.835919][ T72] do_syscall_64+0xc6/0x1e0 [ 721.835919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.835919][ T72] [ 721.837894][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 721.837894][ T72] netdev_get_by_index+0x5e/0x80 [ 721.837894][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.837894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.837894][ T72] ip6_route_add+0x1c/0x140 [ 721.837894][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 721.837894][ T72] addrconf_add_dev+0xe2/0x170 [ 721.837894][ T72] inet6_addr_add+0x12f/0xa40 [ 721.837894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.837894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.837894][ T72] netlink_rcv_skb+0x130/0x360 [ 721.837894][ T72] netlink_unicast+0x449/0x710 [ 721.837894][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.837894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.837894][ T72] ___sys_sendmsg+0xee/0x170 [ 721.837894][ T72] __sys_sendmsg+0xcd/0x170 [ 721.837894][ T72] do_syscall_64+0xc6/0x1e0 [ 721.837894][ T72] [ 721.839834][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 721.839834][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 721.839834][ T72] ipv6_find_idev+0x102/0x170 [ 721.839834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 721.839834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.839834][ T72] netlink_rcv_skb+0x130/0x360 [ 721.839834][ T72] netlink_unicast+0x449/0x710 [ 721.839834][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.839834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.839834][ T72] ___sys_sendmsg+0xee/0x170 [ 721.839834][ T72] __sys_sendmsg+0xcd/0x170 [ 721.839834][ T72] do_syscall_64+0xc6/0x1e0 [ 721.839834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.839834][ T72] [ 721.841355][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 721.841355][ T72] neigh_parms_alloc+0x1e5/0x510 [ 721.841355][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 721.841355][ T72] ipv6_find_idev+0x102/0x170 [ 721.841355][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 721.841355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.841355][ T72] netlink_rcv_skb+0x130/0x360 [ 721.841355][ T72] netlink_unicast+0x449/0x710 [ 721.841355][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.841355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.841355][ T72] ___sys_sendmsg+0xee/0x170 [ 721.841355][ T72] __sys_sendmsg+0xcd/0x170 [ 721.841355][ T72] do_syscall_64+0xc6/0x1e0 [ 721.841355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.841355][ T72] [ 721.843076][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 721.843403][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 721.843403][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 721.843403][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 721.843403][ T72] fib6_nh_init+0xa22/0x1580 [ 721.843403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.843403][ T72] ip6_route_add+0x1c/0x140 [ 721.843403][ T72] inet6_rtm_newroute+0x104/0x110 [ 721.843403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.843403][ T72] netlink_rcv_skb+0x130/0x360 [ 721.843403][ T72] netlink_unicast+0x449/0x710 [ 721.843403][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.843403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.843403][ T72] ___sys_sendmsg+0xee/0x170 [ 721.843403][ T72] __sys_sendmsg+0xcd/0x170 [ 721.843403][ T72] do_syscall_64+0xc6/0x1e0 [ 721.843403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.843403][ T72] [ 721.845524][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 721.845524][ T72] dst_init+0x84/0x4a0 [ 721.845524][ T72] dst_alloc+0x97/0x150 [ 721.845524][ T72] ip6_dst_alloc+0x23/0x90 [ 721.845524][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 721.845524][ T72] ip6_pol_route+0x56f/0x840 [ 721.845524][ T72] fib6_rule_lookup+0x456/0x630 [ 721.845524][ T72] ip6_route_input+0x59c/0xa50 [ 721.845524][ T72] ipv6_rcv+0x397/0x810 [ 721.845524][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 721.845524][ T72] process_backlog+0x101/0x620 [ 721.845524][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 721.845524][ T72] net_rx_action+0x495/0xbe0 [ 721.845524][ T72] __do_softirq+0x1b5/0x7f6 [ 721.845524][ T72] [ 721.847385][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 721.847385][ T72] netdev_get_by_index+0x5e/0x80 [ 721.847385][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.847385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.847385][ T72] ip6_route_add+0x1c/0x140 [ 721.847385][ T72] addrconf_prefix_route+0x2a6/0x430 [ 721.847385][ T72] inet6_addr_add+0x4f8/0xa40 [ 721.847385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.847385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.847385][ T72] netlink_rcv_skb+0x130/0x360 [ 721.847385][ T72] netlink_unicast+0x449/0x710 [ 721.847385][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.847385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.847385][ T72] ___sys_sendmsg+0xee/0x170 [ 721.847385][ T72] __sys_sendmsg+0xcd/0x170 [ 721.847385][ T72] do_syscall_64+0xc6/0x1e0 [ 721.847385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.847385][ T72] [ 721.849546][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 721.849546][ T72] netdev_get_by_index+0x5e/0x80 [ 721.849546][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.849546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.849546][ T72] addrconf_f6i_alloc+0x315/0x560 [ 721.849546][ T72] ipv6_add_addr+0x411/0x2000 [ 721.849546][ T72] inet6_addr_add+0x30e/0xa40 [ 721.849546][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.849546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.849546][ T72] netlink_rcv_skb+0x130/0x360 [ 721.849546][ T72] netlink_unicast+0x449/0x710 [ 721.849546][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.849546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.849546][ T72] ___sys_sendmsg+0xee/0x170 [ 721.849546][ T72] __sys_sendmsg+0xcd/0x170 [ 721.849546][ T72] do_syscall_64+0xc6/0x1e0 [ 721.849546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.849546][ T72] [ 721.851713][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 721.851713][ T72] netdev_get_by_index+0x5e/0x80 [ 721.851713][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.851713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.851713][ T72] ip6_route_add+0x1c/0x140 [ 721.851713][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 721.851713][ T72] addrconf_add_dev+0xe2/0x170 [ 721.851713][ T72] inet6_addr_add+0x12f/0xa40 [ 721.851713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.851713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.851713][ T72] netlink_rcv_skb+0x130/0x360 [ 721.851713][ T72] netlink_unicast+0x449/0x710 [ 721.851713][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.851713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.851713][ T72] ___sys_sendmsg+0xee/0x170 [ 721.851713][ T72] __sys_sendmsg+0xcd/0x170 [ 721.851713][ T72] do_syscall_64+0xc6/0x1e0 [ 721.851713][ T72] [ 721.853958][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 721.853958][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 721.853958][ T72] ipv6_find_idev+0x102/0x170 [ 721.853958][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 721.853958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.853958][ T72] netlink_rcv_skb+0x130/0x360 [ 721.853958][ T72] netlink_unicast+0x449/0x710 [ 721.853958][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.853958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.853958][ T72] ___sys_sendmsg+0xee/0x170 [ 721.853958][ T72] __sys_sendmsg+0xcd/0x170 [ 721.853958][ T72] do_syscall_64+0xc6/0x1e0 [ 721.853958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.853958][ T72] [ 721.855670][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 721.855670][ T72] neigh_parms_alloc+0x1e5/0x510 [ 721.855670][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 721.855670][ T72] ipv6_find_idev+0x102/0x170 [ 721.855670][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 721.855670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.855670][ T72] netlink_rcv_skb+0x130/0x360 [ 721.855670][ T72] netlink_unicast+0x449/0x710 [ 721.855670][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.855670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.855670][ T72] ___sys_sendmsg+0xee/0x170 [ 721.855670][ T72] __sys_sendmsg+0xcd/0x170 [ 721.855670][ T72] do_syscall_64+0xc6/0x1e0 [ 721.855670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.855670][ T72] [ 721.857524][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 721.858301][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 721.858301][ T72] netdev_get_by_index+0x5e/0x80 [ 721.858301][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.858301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.858301][ T72] addrconf_f6i_alloc+0x265/0x560 [ 721.858301][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 721.858301][ T72] addrconf_join_anycast+0x1c0/0x220 [ 721.858301][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 721.858301][ T72] addrconf_dad_completed+0x12b/0xe20 [ 721.858301][ T72] addrconf_dad_begin+0x310/0x670 [ 721.858301][ T72] addrconf_dad_work+0x10b/0xab0 [ 721.858301][ T72] process_one_work+0x84d/0x18a0 [ 721.858301][ T72] worker_thread+0x587/0xd30 [ 721.858301][ T72] kthread+0x28a/0x350 [ 721.858301][ T72] ret_from_fork+0x31/0x70 [ 721.858301][ T72] ret_from_fork_asm+0x1a/0x30 [ 721.858301][ T72] [ 721.860188][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 721.860188][ T72] netdev_get_by_index+0x5e/0x80 [ 721.860188][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.860188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.860188][ T72] ip6_route_add+0x1c/0x140 [ 721.860188][ T72] addrconf_prefix_route+0x2a6/0x430 [ 721.860188][ T72] inet6_addr_add+0x4f8/0xa40 [ 721.860188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.860188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.860188][ T72] netlink_rcv_skb+0x130/0x360 [ 721.860188][ T72] netlink_unicast+0x449/0x710 [ 721.860188][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.860188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.860188][ T72] ___sys_sendmsg+0xee/0x170 [ 721.860188][ T72] __sys_sendmsg+0xcd/0x170 [ 721.860188][ T72] do_syscall_64+0xc6/0x1e0 [ 721.860188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.860188][ T72] [ 721.862225][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 721.862225][ T72] netdev_get_by_index+0x5e/0x80 [ 721.862225][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.862225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.862225][ T72] addrconf_f6i_alloc+0x315/0x560 [ 721.862225][ T72] ipv6_add_addr+0x411/0x2000 [ 721.862225][ T72] inet6_addr_add+0x30e/0xa40 [ 721.862225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.862225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.862225][ T72] netlink_rcv_skb+0x130/0x360 [ 721.862225][ T72] netlink_unicast+0x449/0x710 [ 721.862225][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.862225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.862225][ T72] ___sys_sendmsg+0xee/0x170 [ 721.862225][ T72] __sys_sendmsg+0xcd/0x170 [ 721.862225][ T72] do_syscall_64+0xc6/0x1e0 [ 721.862225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.862225][ T72] [ 721.864456][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 721.864456][ T72] netdev_get_by_index+0x5e/0x80 [ 721.864456][ T72] fib6_nh_init+0x3d8/0x1580 [ 721.864456][ T72] ip6_route_info_create+0xf18/0x17d0 [ 721.864456][ T72] ip6_route_add+0x1c/0x140 [ 721.864456][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 721.864456][ T72] addrconf_add_dev+0xe2/0x170 [ 721.864456][ T72] inet6_addr_add+0x12f/0xa40 [ 721.864456][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 721.864456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.864456][ T72] netlink_rcv_skb+0x130/0x360 [ 721.864456][ T72] netlink_unicast+0x449/0x710 [ 721.864456][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.864456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.864456][ T72] ___sys_sendmsg+0xee/0x170 [ 721.864456][ T72] __sys_sendmsg+0xcd/0x170 [ 721.864456][ T72] do_syscall_64+0xc6/0x1e0 [ 721.864456][ T72] [ 721.866714][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 721.866714][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 721.866714][ T72] ipv6_find_idev+0x102/0x170 [ 721.866714][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 721.866714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.866714][ T72] netlink_rcv_skb+0x130/0x360 [ 721.866714][ T72] netlink_unicast+0x449/0x710 [ 721.866714][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.866714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.866714][ T72] ___sys_sendmsg+0xee/0x170 [ 721.866714][ T72] __sys_sendmsg+0xcd/0x170 [ 721.866714][ T72] do_syscall_64+0xc6/0x1e0 [ 721.866714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.866714][ T72] [ 721.868421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 721.868421][ T72] neigh_parms_alloc+0x1e5/0x510 [ 721.868421][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 721.868421][ T72] ipv6_find_idev+0x102/0x170 [ 721.868421][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 721.868421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 721.868421][ T72] netlink_rcv_skb+0x130/0x360 [ 721.868421][ T72] netlink_unicast+0x449/0x710 [ 721.868421][ T72] netlink_sendmsg+0x723/0xbe0 [ 721.868421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 721.868421][ T72] ___sys_sendmsg+0xee/0x170 [ 721.868421][ T72] __sys_sendmsg+0xcd/0x170 [ 721.868421][ T72] do_syscall_64+0xc6/0x1e0 [ 721.868421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 721.868421][ T72] [ 732.113004][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 732.113532][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 732.113532][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 732.113532][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 732.113532][ T72] fib6_nh_init+0xa22/0x1580 [ 732.113532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.113532][ T72] ip6_route_add+0x1c/0x140 [ 732.113532][ T72] inet6_rtm_newroute+0x104/0x110 [ 732.113532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.113532][ T72] netlink_rcv_skb+0x130/0x360 [ 732.113532][ T72] netlink_unicast+0x449/0x710 [ 732.113532][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.113532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.113532][ T72] ___sys_sendmsg+0xee/0x170 [ 732.113532][ T72] __sys_sendmsg+0xcd/0x170 [ 732.113532][ T72] do_syscall_64+0xc6/0x1e0 [ 732.113532][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.113532][ T72] [ 732.115450][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 732.115450][ T72] dst_init+0x84/0x4a0 [ 732.115450][ T72] dst_alloc+0x97/0x150 [ 732.115450][ T72] ip6_dst_alloc+0x23/0x90 [ 732.115450][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 732.115450][ T72] ip6_pol_route+0x56f/0x840 [ 732.115450][ T72] fib6_rule_lookup+0x456/0x630 [ 732.115450][ T72] ip6_route_input+0x59c/0xa50 [ 732.115450][ T72] ipv6_rcv+0x397/0x810 [ 732.115450][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 732.115450][ T72] process_backlog+0x101/0x620 [ 732.115450][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 732.115450][ T72] net_rx_action+0x495/0xbe0 [ 732.115450][ T72] __do_softirq+0x1b5/0x7f6 [ 732.115450][ T72] [ 732.117098][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 732.117098][ T72] netdev_get_by_index+0x5e/0x80 [ 732.117098][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.117098][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.117098][ T72] ip6_route_add+0x1c/0x140 [ 732.117098][ T72] addrconf_prefix_route+0x2a6/0x430 [ 732.117098][ T72] inet6_addr_add+0x4f8/0xa40 [ 732.117098][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.117098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.117098][ T72] netlink_rcv_skb+0x130/0x360 [ 732.117098][ T72] netlink_unicast+0x449/0x710 [ 732.117098][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.117098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.117098][ T72] ___sys_sendmsg+0xee/0x170 [ 732.117098][ T72] __sys_sendmsg+0xcd/0x170 [ 732.117098][ T72] do_syscall_64+0xc6/0x1e0 [ 732.117098][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.117098][ T72] [ 732.119103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 732.119103][ T72] netdev_get_by_index+0x5e/0x80 [ 732.119103][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.119103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.119103][ T72] addrconf_f6i_alloc+0x315/0x560 [ 732.119103][ T72] ipv6_add_addr+0x411/0x2000 [ 732.119103][ T72] inet6_addr_add+0x30e/0xa40 [ 732.119103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.119103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.119103][ T72] netlink_rcv_skb+0x130/0x360 [ 732.119103][ T72] netlink_unicast+0x449/0x710 [ 732.119103][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.119103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.119103][ T72] ___sys_sendmsg+0xee/0x170 [ 732.119103][ T72] __sys_sendmsg+0xcd/0x170 [ 732.119103][ T72] do_syscall_64+0xc6/0x1e0 [ 732.119103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.119103][ T72] [ 732.121097][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 732.121097][ T72] netdev_get_by_index+0x5e/0x80 [ 732.121097][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.121097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.121097][ T72] ip6_route_add+0x1c/0x140 [ 732.121097][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 732.121097][ T72] addrconf_add_dev+0xe2/0x170 [ 732.121097][ T72] inet6_addr_add+0x12f/0xa40 [ 732.121097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.121097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.121097][ T72] netlink_rcv_skb+0x130/0x360 [ 732.121097][ T72] netlink_unicast+0x449/0x710 [ 732.121097][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.121097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.121097][ T72] ___sys_sendmsg+0xee/0x170 [ 732.121097][ T72] __sys_sendmsg+0xcd/0x170 [ 732.121097][ T72] do_syscall_64+0xc6/0x1e0 [ 732.121097][ T72] [ 732.123065][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 732.123065][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 732.123065][ T72] ipv6_find_idev+0x102/0x170 [ 732.123065][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 732.123065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.123065][ T72] netlink_rcv_skb+0x130/0x360 [ 732.123065][ T72] netlink_unicast+0x449/0x710 [ 732.123065][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.123065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.123065][ T72] ___sys_sendmsg+0xee/0x170 [ 732.123065][ T72] __sys_sendmsg+0xcd/0x170 [ 732.123065][ T72] do_syscall_64+0xc6/0x1e0 [ 732.123065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.123065][ T72] [ 732.124612][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 732.124612][ T72] neigh_parms_alloc+0x1e5/0x510 [ 732.124612][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 732.124612][ T72] ipv6_find_idev+0x102/0x170 [ 732.124612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 732.124612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.124612][ T72] netlink_rcv_skb+0x130/0x360 [ 732.124612][ T72] netlink_unicast+0x449/0x710 [ 732.124612][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.124612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.124612][ T72] ___sys_sendmsg+0xee/0x170 [ 732.124612][ T72] __sys_sendmsg+0xcd/0x170 [ 732.124612][ T72] do_syscall_64+0xc6/0x1e0 [ 732.124612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.124612][ T72] [ 732.126332][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 732.126603][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 732.126603][ T72] dst_init+0x84/0x4a0 [ 732.126603][ T72] dst_alloc+0x97/0x150 [ 732.126603][ T72] ip6_dst_alloc+0x23/0x90 [ 732.126603][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 732.126603][ T72] ip6_pol_route+0x56f/0x840 [ 732.126603][ T72] fib6_rule_lookup+0x456/0x630 [ 732.126603][ T72] ip6_route_input+0x59c/0xa50 [ 732.126603][ T72] ipv6_rcv+0x397/0x810 [ 732.126603][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 732.126603][ T72] process_backlog+0x101/0x620 [ 732.126603][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 732.126603][ T72] net_rx_action+0x495/0xbe0 [ 732.126603][ T72] __do_softirq+0x1b5/0x7f6 [ 732.126603][ T72] [ 732.128254][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 732.128254][ T72] netdev_get_by_index+0x5e/0x80 [ 732.128254][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.128254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.128254][ T72] addrconf_f6i_alloc+0x265/0x560 [ 732.128254][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 732.128254][ T72] addrconf_join_anycast+0x1c0/0x220 [ 732.128254][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 732.128254][ T72] addrconf_dad_completed+0x12b/0xe20 [ 732.128254][ T72] addrconf_dad_begin+0x310/0x670 [ 732.128254][ T72] addrconf_dad_work+0x10b/0xab0 [ 732.128254][ T72] process_one_work+0x84d/0x18a0 [ 732.128254][ T72] worker_thread+0x587/0xd30 [ 732.128254][ T72] kthread+0x28a/0x350 [ 732.128254][ T72] ret_from_fork+0x31/0x70 [ 732.128254][ T72] ret_from_fork_asm+0x1a/0x30 [ 732.128254][ T72] [ 732.130169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 732.130169][ T72] netdev_get_by_index+0x5e/0x80 [ 732.130169][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.130169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.130169][ T72] ip6_route_add+0x1c/0x140 [ 732.130169][ T72] addrconf_prefix_route+0x2a6/0x430 [ 732.130169][ T72] inet6_addr_add+0x4f8/0xa40 [ 732.130169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.130169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.130169][ T72] netlink_rcv_skb+0x130/0x360 [ 732.130169][ T72] netlink_unicast+0x449/0x710 [ 732.130169][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.130169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.130169][ T72] ___sys_sendmsg+0xee/0x170 [ 732.130169][ T72] __sys_sendmsg+0xcd/0x170 [ 732.130169][ T72] do_syscall_64+0xc6/0x1e0 [ 732.130169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.130169][ T72] [ 732.132183][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 732.132183][ T72] netdev_get_by_index+0x5e/0x80 [ 732.132183][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.132183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.132183][ T72] addrconf_f6i_alloc+0x315/0x560 [ 732.132183][ T72] ipv6_add_addr+0x411/0x2000 [ 732.132183][ T72] inet6_addr_add+0x30e/0xa40 [ 732.132183][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.132183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.132183][ T72] netlink_rcv_skb+0x130/0x360 [ 732.132183][ T72] netlink_unicast+0x449/0x710 [ 732.132183][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.132183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.132183][ T72] ___sys_sendmsg+0xee/0x170 [ 732.132183][ T72] __sys_sendmsg+0xcd/0x170 [ 732.132183][ T72] do_syscall_64+0xc6/0x1e0 [ 732.132183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.132183][ T72] [ 732.134188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 732.134188][ T72] netdev_get_by_index+0x5e/0x80 [ 732.134188][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.134188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.134188][ T72] ip6_route_add+0x1c/0x140 [ 732.134188][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 732.134188][ T72] addrconf_add_dev+0xe2/0x170 [ 732.134188][ T72] inet6_addr_add+0x12f/0xa40 [ 732.134188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.134188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.134188][ T72] netlink_rcv_skb+0x130/0x360 [ 732.134188][ T72] netlink_unicast+0x449/0x710 [ 732.134188][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.134188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.134188][ T72] ___sys_sendmsg+0xee/0x170 [ 732.134188][ T72] __sys_sendmsg+0xcd/0x170 [ 732.134188][ T72] do_syscall_64+0xc6/0x1e0 [ 732.134188][ T72] [ 732.136174][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 732.136174][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 732.136174][ T72] ipv6_find_idev+0x102/0x170 [ 732.136174][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 732.136174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.136174][ T72] netlink_rcv_skb+0x130/0x360 [ 732.136174][ T72] netlink_unicast+0x449/0x710 [ 732.136174][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.136174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.136174][ T72] ___sys_sendmsg+0xee/0x170 [ 732.136174][ T72] __sys_sendmsg+0xcd/0x170 [ 732.136174][ T72] do_syscall_64+0xc6/0x1e0 [ 732.136174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.136174][ T72] [ 732.137717][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 732.137717][ T72] neigh_parms_alloc+0x1e5/0x510 [ 732.137717][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 732.137717][ T72] ipv6_find_idev+0x102/0x170 [ 732.137717][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 732.137717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.137717][ T72] netlink_rcv_skb+0x130/0x360 [ 732.137717][ T72] netlink_unicast+0x449/0x710 [ 732.137717][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.137717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.137717][ T72] ___sys_sendmsg+0xee/0x170 [ 732.137717][ T72] __sys_sendmsg+0xcd/0x170 [ 732.137717][ T72] do_syscall_64+0xc6/0x1e0 [ 732.137717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.137717][ T72] [ 732.139537][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 732.139809][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 732.139809][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 732.139809][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 732.139809][ T72] fib6_nh_init+0xa22/0x1580 [ 732.139809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.139809][ T72] ip6_route_add+0x1c/0x140 [ 732.139809][ T72] inet6_rtm_newroute+0x104/0x110 [ 732.139809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.139809][ T72] netlink_rcv_skb+0x130/0x360 [ 732.139809][ T72] netlink_unicast+0x449/0x710 [ 732.139809][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.139809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.139809][ T72] ___sys_sendmsg+0xee/0x170 [ 732.139809][ T72] __sys_sendmsg+0xcd/0x170 [ 732.139809][ T72] do_syscall_64+0xc6/0x1e0 [ 732.139809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.139809][ T72] [ 732.142006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 732.142006][ T72] dst_init+0x84/0x4a0 [ 732.142006][ T72] dst_alloc+0x97/0x150 [ 732.142006][ T72] ip6_dst_alloc+0x23/0x90 [ 732.142006][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 732.142006][ T72] ip6_pol_route+0x56f/0x840 [ 732.142006][ T72] fib6_rule_lookup+0x456/0x630 [ 732.142006][ T72] ip6_route_input+0x59c/0xa50 [ 732.142006][ T72] ipv6_rcv+0x397/0x810 [ 732.142006][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 732.142006][ T72] process_backlog+0x101/0x620 [ 732.142006][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 732.142006][ T72] net_rx_action+0x495/0xbe0 [ 732.142006][ T72] __do_softirq+0x1b5/0x7f6 [ 732.142006][ T72] [ 732.143823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 732.143823][ T72] netdev_get_by_index+0x5e/0x80 [ 732.143823][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.143823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.143823][ T72] ip6_route_add+0x1c/0x140 [ 732.143823][ T72] addrconf_prefix_route+0x2a6/0x430 [ 732.143823][ T72] inet6_addr_add+0x4f8/0xa40 [ 732.143823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.143823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.143823][ T72] netlink_rcv_skb+0x130/0x360 [ 732.143823][ T72] netlink_unicast+0x449/0x710 [ 732.143823][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.143823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.143823][ T72] ___sys_sendmsg+0xee/0x170 [ 732.143823][ T72] __sys_sendmsg+0xcd/0x170 [ 732.143823][ T72] do_syscall_64+0xc6/0x1e0 [ 732.143823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.143823][ T72] [ 732.146084][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 732.146084][ T72] netdev_get_by_index+0x5e/0x80 [ 732.146084][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.146084][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.146084][ T72] addrconf_f6i_alloc+0x315/0x560 [ 732.146084][ T72] ipv6_add_addr+0x411/0x2000 [ 732.146084][ T72] inet6_addr_add+0x30e/0xa40 [ 732.146084][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.146084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.146084][ T72] netlink_rcv_skb+0x130/0x360 [ 732.146084][ T72] netlink_unicast+0x449/0x710 [ 732.146084][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.146084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.146084][ T72] ___sys_sendmsg+0xee/0x170 [ 732.146084][ T72] __sys_sendmsg+0xcd/0x170 [ 732.146084][ T72] do_syscall_64+0xc6/0x1e0 [ 732.146084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.146084][ T72] [ 732.148282][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 732.148282][ T72] netdev_get_by_index+0x5e/0x80 [ 732.148282][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.148282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.148282][ T72] ip6_route_add+0x1c/0x140 [ 732.148282][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 732.148282][ T72] addrconf_add_dev+0xe2/0x170 [ 732.148282][ T72] inet6_addr_add+0x12f/0xa40 [ 732.148282][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.148282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.148282][ T72] netlink_rcv_skb+0x130/0x360 [ 732.148282][ T72] netlink_unicast+0x449/0x710 [ 732.148282][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.148282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.148282][ T72] ___sys_sendmsg+0xee/0x170 [ 732.148282][ T72] __sys_sendmsg+0xcd/0x170 [ 732.148282][ T72] do_syscall_64+0xc6/0x1e0 [ 732.148282][ T72] [ 732.150556][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 732.150556][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 732.150556][ T72] ipv6_find_idev+0x102/0x170 [ 732.150556][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 732.150556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.150556][ T72] netlink_rcv_skb+0x130/0x360 [ 732.150556][ T72] netlink_unicast+0x449/0x710 [ 732.150556][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.150556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.150556][ T72] ___sys_sendmsg+0xee/0x170 [ 732.150556][ T72] __sys_sendmsg+0xcd/0x170 [ 732.150556][ T72] do_syscall_64+0xc6/0x1e0 [ 732.150556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.150556][ T72] [ 732.152283][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 732.152283][ T72] neigh_parms_alloc+0x1e5/0x510 [ 732.152283][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 732.152283][ T72] ipv6_find_idev+0x102/0x170 [ 732.152283][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 732.152283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.152283][ T72] netlink_rcv_skb+0x130/0x360 [ 732.152283][ T72] netlink_unicast+0x449/0x710 [ 732.152283][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.152283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.152283][ T72] ___sys_sendmsg+0xee/0x170 [ 732.152283][ T72] __sys_sendmsg+0xcd/0x170 [ 732.152283][ T72] do_syscall_64+0xc6/0x1e0 [ 732.152283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.152283][ T72] [ 732.154176][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 732.154521][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 732.154521][ T72] netdev_get_by_index+0x5e/0x80 [ 732.154521][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.154521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.154521][ T72] addrconf_f6i_alloc+0x265/0x560 [ 732.154521][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 732.154521][ T72] addrconf_join_anycast+0x1c0/0x220 [ 732.154521][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 732.154521][ T72] addrconf_dad_completed+0x12b/0xe20 [ 732.154521][ T72] addrconf_dad_begin+0x310/0x670 [ 732.154521][ T72] addrconf_dad_work+0x10b/0xab0 [ 732.154521][ T72] process_one_work+0x84d/0x18a0 [ 732.154521][ T72] worker_thread+0x587/0xd30 [ 732.154521][ T72] kthread+0x28a/0x350 [ 732.154521][ T72] ret_from_fork+0x31/0x70 [ 732.154521][ T72] ret_from_fork_asm+0x1a/0x30 [ 732.154521][ T72] [ 732.156564][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 732.156564][ T72] netdev_get_by_index+0x5e/0x80 [ 732.156564][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.156564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.156564][ T72] ip6_route_add+0x1c/0x140 [ 732.156564][ T72] addrconf_prefix_route+0x2a6/0x430 [ 732.156564][ T72] inet6_addr_add+0x4f8/0xa40 [ 732.156564][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.156564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.156564][ T72] netlink_rcv_skb+0x130/0x360 [ 732.156564][ T72] netlink_unicast+0x449/0x710 [ 732.156564][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.156564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.156564][ T72] ___sys_sendmsg+0xee/0x170 [ 732.156564][ T72] __sys_sendmsg+0xcd/0x170 [ 732.156564][ T72] do_syscall_64+0xc6/0x1e0 [ 732.156564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.156564][ T72] [ 732.158812][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 732.158812][ T72] netdev_get_by_index+0x5e/0x80 [ 732.158812][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.158812][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.158812][ T72] addrconf_f6i_alloc+0x315/0x560 [ 732.158812][ T72] ipv6_add_addr+0x411/0x2000 [ 732.158812][ T72] inet6_addr_add+0x30e/0xa40 [ 732.158812][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.158812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.158812][ T72] netlink_rcv_skb+0x130/0x360 [ 732.158812][ T72] netlink_unicast+0x449/0x710 [ 732.158812][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.158812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.158812][ T72] ___sys_sendmsg+0xee/0x170 [ 732.158812][ T72] __sys_sendmsg+0xcd/0x170 [ 732.158812][ T72] do_syscall_64+0xc6/0x1e0 [ 732.158812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.158812][ T72] [ 732.161124][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 732.161124][ T72] netdev_get_by_index+0x5e/0x80 [ 732.161124][ T72] fib6_nh_init+0x3d8/0x1580 [ 732.161124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 732.161124][ T72] ip6_route_add+0x1c/0x140 [ 732.161124][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 732.161124][ T72] addrconf_add_dev+0xe2/0x170 [ 732.161124][ T72] inet6_addr_add+0x12f/0xa40 [ 732.161124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 732.161124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.161124][ T72] netlink_rcv_skb+0x130/0x360 [ 732.161124][ T72] netlink_unicast+0x449/0x710 [ 732.161124][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.161124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.161124][ T72] ___sys_sendmsg+0xee/0x170 [ 732.161124][ T72] __sys_sendmsg+0xcd/0x170 [ 732.161124][ T72] do_syscall_64+0xc6/0x1e0 [ 732.161124][ T72] [ 732.163337][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 732.163337][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 732.163337][ T72] ipv6_find_idev+0x102/0x170 [ 732.163337][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 732.163337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.163337][ T72] netlink_rcv_skb+0x130/0x360 [ 732.163337][ T72] netlink_unicast+0x449/0x710 [ 732.163337][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.163337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.163337][ T72] ___sys_sendmsg+0xee/0x170 [ 732.163337][ T72] __sys_sendmsg+0xcd/0x170 [ 732.163337][ T72] do_syscall_64+0xc6/0x1e0 [ 732.163337][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.163337][ T72] [ 732.165074][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 732.165074][ T72] neigh_parms_alloc+0x1e5/0x510 [ 732.165074][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 732.165074][ T72] ipv6_find_idev+0x102/0x170 [ 732.165074][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 732.165074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 732.165074][ T72] netlink_rcv_skb+0x130/0x360 [ 732.165074][ T72] netlink_unicast+0x449/0x710 [ 732.165074][ T72] netlink_sendmsg+0x723/0xbe0 [ 732.165074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 732.165074][ T72] ___sys_sendmsg+0xee/0x170 [ 732.165074][ T72] __sys_sendmsg+0xcd/0x170 [ 732.165074][ T72] do_syscall_64+0xc6/0x1e0 [ 732.165074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 732.165074][ T72] [ 738.600957][ T42] INFO: task modprobe:885 blocked for more than 614 seconds. [ 738.601374][ T42] Not tainted 6.8.0-virtme #1 [ 738.601497][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.601722][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 738.602020][ T42] Call Trace: [ 738.602120][ T42] [ 738.602199][ T42] __schedule+0x705/0x1ac0 [ 738.602341][ T42] ? __pfx___schedule+0x10/0x10 [ 738.602469][ T42] ? schedule+0x1a5/0x210 [ 738.602568][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.602705][ T42] ? schedule+0x1a5/0x210 [ 738.602818][ T42] schedule+0xdf/0x210 [ 738.602924][ T42] schedule_preempt_disabled+0x15/0x30 [ 738.603050][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 738.603185][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 738.603344][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.603476][ T42] ? lock_acquire+0x1c1/0x220 [ 738.603601][ T42] ? register_pernet_subsys+0x1a/0x50 [ 738.603741][ T42] down_write+0x1c9/0x200 [ 738.603853][ T42] ? __pfx_down_write+0x10/0x10 [ 738.603988][ T42] ? __lock_release+0x103/0x460 [ 738.604113][ T42] ? __create_object+0x5e/0xb0 [ 738.604248][ T42] ? __pfx___lock_release+0x10/0x10 [ 738.604380][ T42] register_pernet_subsys+0x1a/0x50 [ 738.604509][ T42] tcf_register_action+0xa3/0x600 [ 738.604636][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 738.604809][ T42] do_one_initcall+0xc8/0x3f0 [ 738.604942][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 738.605071][ T42] ? __create_object+0x5e/0xb0 [ 738.605199][ T42] ? kasan_unpoison+0x27/0x60 [ 738.605334][ T42] do_init_module+0x233/0x740 [ 738.605474][ T42] load_module+0x16b5/0x2350 [ 738.605612][ T42] ? __pfx_load_module+0x10/0x10 [ 738.605738][ T42] ? kernel_read_file+0x3d2/0x520 [ 738.605890][ T42] ? kernel_read_file+0x300/0x520 [ 738.606023][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 738.606159][ T42] ? init_module_from_file+0xd2/0x130 [ 738.606287][ T42] init_module_from_file+0xd2/0x130 [ 738.606414][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 738.606581][ T42] ? __lock_release+0x103/0x460 [ 738.606723][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.606870][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.606997][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 738.607133][ T42] idempotent_init_module+0x342/0x620 [ 738.607263][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 738.607436][ T42] __x64_sys_finit_module+0xbe/0x130 [ 738.607564][ T42] do_syscall_64+0xc6/0x1e0 [ 738.607695][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.607868][ T42] RIP: 0033:0x7f41a8dc5e5d [ 738.608002][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 738.608193][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 738.608380][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 738.608564][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 738.608750][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 738.608949][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 738.609150][ T42] [ 738.609246][ T42] [ 738.609246][ T42] Showing all locks held in the system: [ 738.609428][ T42] 2 locks held by kworker/u20:0/39: [ 738.609553][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.609825][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.610107][ T42] 1 lock held by khungtaskd/42: [ 738.610228][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 738.610456][ T42] 3 locks held by kworker/u16:1/72: [ 738.610576][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.610834][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.611062][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 738.611284][ T42] 1 lock held by modprobe/885: [ 738.611403][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 738.611653][ T42] [ 738.611717][ T42] ============================================= [ 738.611717][ T42] [ 742.408979][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 742.409509][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 742.409509][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 742.409509][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 742.409509][ T72] fib6_nh_init+0xa22/0x1580 [ 742.409509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.409509][ T72] ip6_route_add+0x1c/0x140 [ 742.409509][ T72] inet6_rtm_newroute+0x104/0x110 [ 742.409509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.409509][ T72] netlink_rcv_skb+0x130/0x360 [ 742.409509][ T72] netlink_unicast+0x449/0x710 [ 742.409509][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.409509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.409509][ T72] ___sys_sendmsg+0xee/0x170 [ 742.409509][ T72] __sys_sendmsg+0xcd/0x170 [ 742.409509][ T72] do_syscall_64+0xc6/0x1e0 [ 742.409509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.409509][ T72] [ 742.411414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 742.411414][ T72] dst_init+0x84/0x4a0 [ 742.411414][ T72] dst_alloc+0x97/0x150 [ 742.411414][ T72] ip6_dst_alloc+0x23/0x90 [ 742.411414][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 742.411414][ T72] ip6_pol_route+0x56f/0x840 [ 742.411414][ T72] fib6_rule_lookup+0x456/0x630 [ 742.411414][ T72] ip6_route_input+0x59c/0xa50 [ 742.411414][ T72] ipv6_rcv+0x397/0x810 [ 742.411414][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 742.411414][ T72] process_backlog+0x101/0x620 [ 742.411414][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 742.411414][ T72] net_rx_action+0x495/0xbe0 [ 742.411414][ T72] __do_softirq+0x1b5/0x7f6 [ 742.411414][ T72] [ 742.413081][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 742.413081][ T72] netdev_get_by_index+0x5e/0x80 [ 742.413081][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.413081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.413081][ T72] ip6_route_add+0x1c/0x140 [ 742.413081][ T72] addrconf_prefix_route+0x2a6/0x430 [ 742.413081][ T72] inet6_addr_add+0x4f8/0xa40 [ 742.413081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.413081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.413081][ T72] netlink_rcv_skb+0x130/0x360 [ 742.413081][ T72] netlink_unicast+0x449/0x710 [ 742.413081][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.413081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.413081][ T72] ___sys_sendmsg+0xee/0x170 [ 742.413081][ T72] __sys_sendmsg+0xcd/0x170 [ 742.413081][ T72] do_syscall_64+0xc6/0x1e0 [ 742.413081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.413081][ T72] [ 742.415152][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 742.415152][ T72] netdev_get_by_index+0x5e/0x80 [ 742.415152][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.415152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.415152][ T72] addrconf_f6i_alloc+0x315/0x560 [ 742.415152][ T72] ipv6_add_addr+0x411/0x2000 [ 742.415152][ T72] inet6_addr_add+0x30e/0xa40 [ 742.415152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.415152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.415152][ T72] netlink_rcv_skb+0x130/0x360 [ 742.415152][ T72] netlink_unicast+0x449/0x710 [ 742.415152][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.415152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.415152][ T72] ___sys_sendmsg+0xee/0x170 [ 742.415152][ T72] __sys_sendmsg+0xcd/0x170 [ 742.415152][ T72] do_syscall_64+0xc6/0x1e0 [ 742.415152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.415152][ T72] [ 742.417163][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 742.417163][ T72] netdev_get_by_index+0x5e/0x80 [ 742.417163][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.417163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.417163][ T72] ip6_route_add+0x1c/0x140 [ 742.417163][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 742.417163][ T72] addrconf_add_dev+0xe2/0x170 [ 742.417163][ T72] inet6_addr_add+0x12f/0xa40 [ 742.417163][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.417163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.417163][ T72] netlink_rcv_skb+0x130/0x360 [ 742.417163][ T72] netlink_unicast+0x449/0x710 [ 742.417163][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.417163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.417163][ T72] ___sys_sendmsg+0xee/0x170 [ 742.417163][ T72] __sys_sendmsg+0xcd/0x170 [ 742.417163][ T72] do_syscall_64+0xc6/0x1e0 [ 742.417163][ T72] [ 742.419148][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 742.419148][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 742.419148][ T72] ipv6_find_idev+0x102/0x170 [ 742.419148][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 742.419148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.419148][ T72] netlink_rcv_skb+0x130/0x360 [ 742.419148][ T72] netlink_unicast+0x449/0x710 [ 742.419148][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.419148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.419148][ T72] ___sys_sendmsg+0xee/0x170 [ 742.419148][ T72] __sys_sendmsg+0xcd/0x170 [ 742.419148][ T72] do_syscall_64+0xc6/0x1e0 [ 742.419148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.419148][ T72] [ 742.420696][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 742.420696][ T72] neigh_parms_alloc+0x1e5/0x510 [ 742.420696][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 742.420696][ T72] ipv6_find_idev+0x102/0x170 [ 742.420696][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 742.420696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.420696][ T72] netlink_rcv_skb+0x130/0x360 [ 742.420696][ T72] netlink_unicast+0x449/0x710 [ 742.420696][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.420696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.420696][ T72] ___sys_sendmsg+0xee/0x170 [ 742.420696][ T72] __sys_sendmsg+0xcd/0x170 [ 742.420696][ T72] do_syscall_64+0xc6/0x1e0 [ 742.420696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.420696][ T72] [ 742.422446][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 742.422732][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 742.422732][ T72] dst_init+0x84/0x4a0 [ 742.422732][ T72] dst_alloc+0x97/0x150 [ 742.422732][ T72] ip6_dst_alloc+0x23/0x90 [ 742.422732][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 742.422732][ T72] ip6_pol_route+0x56f/0x840 [ 742.422732][ T72] fib6_rule_lookup+0x456/0x630 [ 742.422732][ T72] ip6_route_input+0x59c/0xa50 [ 742.422732][ T72] ipv6_rcv+0x397/0x810 [ 742.422732][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 742.422732][ T72] process_backlog+0x101/0x620 [ 742.422732][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 742.422732][ T72] net_rx_action+0x495/0xbe0 [ 742.422732][ T72] __do_softirq+0x1b5/0x7f6 [ 742.422732][ T72] [ 742.424391][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 742.424391][ T72] netdev_get_by_index+0x5e/0x80 [ 742.424391][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.424391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.424391][ T72] addrconf_f6i_alloc+0x265/0x560 [ 742.424391][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 742.424391][ T72] addrconf_join_anycast+0x1c0/0x220 [ 742.424391][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 742.424391][ T72] addrconf_dad_completed+0x12b/0xe20 [ 742.424391][ T72] addrconf_dad_begin+0x310/0x670 [ 742.424391][ T72] addrconf_dad_work+0x10b/0xab0 [ 742.424391][ T72] process_one_work+0x84d/0x18a0 [ 742.424391][ T72] worker_thread+0x587/0xd30 [ 742.424391][ T72] kthread+0x28a/0x350 [ 742.424391][ T72] ret_from_fork+0x31/0x70 [ 742.424391][ T72] ret_from_fork_asm+0x1a/0x30 [ 742.424391][ T72] [ 742.426305][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 742.426305][ T72] netdev_get_by_index+0x5e/0x80 [ 742.426305][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.426305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.426305][ T72] ip6_route_add+0x1c/0x140 [ 742.426305][ T72] addrconf_prefix_route+0x2a6/0x430 [ 742.426305][ T72] inet6_addr_add+0x4f8/0xa40 [ 742.426305][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.426305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.426305][ T72] netlink_rcv_skb+0x130/0x360 [ 742.426305][ T72] netlink_unicast+0x449/0x710 [ 742.426305][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.426305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.426305][ T72] ___sys_sendmsg+0xee/0x170 [ 742.426305][ T72] __sys_sendmsg+0xcd/0x170 [ 742.426305][ T72] do_syscall_64+0xc6/0x1e0 [ 742.426305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.426305][ T72] [ 742.428307][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 742.428307][ T72] netdev_get_by_index+0x5e/0x80 [ 742.428307][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.428307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.428307][ T72] addrconf_f6i_alloc+0x315/0x560 [ 742.428307][ T72] ipv6_add_addr+0x411/0x2000 [ 742.428307][ T72] inet6_addr_add+0x30e/0xa40 [ 742.428307][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.428307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.428307][ T72] netlink_rcv_skb+0x130/0x360 [ 742.428307][ T72] netlink_unicast+0x449/0x710 [ 742.428307][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.428307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.428307][ T72] ___sys_sendmsg+0xee/0x170 [ 742.428307][ T72] __sys_sendmsg+0xcd/0x170 [ 742.428307][ T72] do_syscall_64+0xc6/0x1e0 [ 742.428307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.428307][ T72] [ 742.430315][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 742.430315][ T72] netdev_get_by_index+0x5e/0x80 [ 742.430315][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.430315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.430315][ T72] ip6_route_add+0x1c/0x140 [ 742.430315][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 742.430315][ T72] addrconf_add_dev+0xe2/0x170 [ 742.430315][ T72] inet6_addr_add+0x12f/0xa40 [ 742.430315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.430315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.430315][ T72] netlink_rcv_skb+0x130/0x360 [ 742.430315][ T72] netlink_unicast+0x449/0x710 [ 742.430315][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.430315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.430315][ T72] ___sys_sendmsg+0xee/0x170 [ 742.430315][ T72] __sys_sendmsg+0xcd/0x170 [ 742.430315][ T72] do_syscall_64+0xc6/0x1e0 [ 742.430315][ T72] [ 742.432282][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 742.432282][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 742.432282][ T72] ipv6_find_idev+0x102/0x170 [ 742.432282][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 742.432282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.432282][ T72] netlink_rcv_skb+0x130/0x360 [ 742.432282][ T72] netlink_unicast+0x449/0x710 [ 742.432282][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.432282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.432282][ T72] ___sys_sendmsg+0xee/0x170 [ 742.432282][ T72] __sys_sendmsg+0xcd/0x170 [ 742.432282][ T72] do_syscall_64+0xc6/0x1e0 [ 742.432282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.432282][ T72] [ 742.433833][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 742.433833][ T72] neigh_parms_alloc+0x1e5/0x510 [ 742.433833][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 742.433833][ T72] ipv6_find_idev+0x102/0x170 [ 742.433833][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 742.433833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.433833][ T72] netlink_rcv_skb+0x130/0x360 [ 742.433833][ T72] netlink_unicast+0x449/0x710 [ 742.433833][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.433833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.433833][ T72] ___sys_sendmsg+0xee/0x170 [ 742.433833][ T72] __sys_sendmsg+0xcd/0x170 [ 742.433833][ T72] do_syscall_64+0xc6/0x1e0 [ 742.433833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.433833][ T72] [ 742.435630][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 742.435916][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 742.435916][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 742.435916][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 742.435916][ T72] fib6_nh_init+0xa22/0x1580 [ 742.435916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.435916][ T72] ip6_route_add+0x1c/0x140 [ 742.435916][ T72] inet6_rtm_newroute+0x104/0x110 [ 742.435916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.435916][ T72] netlink_rcv_skb+0x130/0x360 [ 742.435916][ T72] netlink_unicast+0x449/0x710 [ 742.435916][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.435916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.435916][ T72] ___sys_sendmsg+0xee/0x170 [ 742.435916][ T72] __sys_sendmsg+0xcd/0x170 [ 742.435916][ T72] do_syscall_64+0xc6/0x1e0 [ 742.435916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.435916][ T72] [ 742.438005][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 742.438005][ T72] dst_init+0x84/0x4a0 [ 742.438005][ T72] dst_alloc+0x97/0x150 [ 742.438005][ T72] ip6_dst_alloc+0x23/0x90 [ 742.438005][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 742.438005][ T72] ip6_pol_route+0x56f/0x840 [ 742.438005][ T72] fib6_rule_lookup+0x456/0x630 [ 742.438005][ T72] ip6_route_input+0x59c/0xa50 [ 742.438005][ T72] ipv6_rcv+0x397/0x810 [ 742.438005][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 742.438005][ T72] process_backlog+0x101/0x620 [ 742.438005][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 742.438005][ T72] net_rx_action+0x495/0xbe0 [ 742.438005][ T72] __do_softirq+0x1b5/0x7f6 [ 742.438005][ T72] [ 742.439719][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 742.439719][ T72] netdev_get_by_index+0x5e/0x80 [ 742.439719][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.439719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.439719][ T72] ip6_route_add+0x1c/0x140 [ 742.439719][ T72] addrconf_prefix_route+0x2a6/0x430 [ 742.439719][ T72] inet6_addr_add+0x4f8/0xa40 [ 742.439719][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.439719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.439719][ T72] netlink_rcv_skb+0x130/0x360 [ 742.439719][ T72] netlink_unicast+0x449/0x710 [ 742.439719][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.439719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.439719][ T72] ___sys_sendmsg+0xee/0x170 [ 742.439719][ T72] __sys_sendmsg+0xcd/0x170 [ 742.439719][ T72] do_syscall_64+0xc6/0x1e0 [ 742.439719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.439719][ T72] [ 742.442534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 742.442534][ T72] netdev_get_by_index+0x5e/0x80 [ 742.442534][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.442534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.442534][ T72] addrconf_f6i_alloc+0x315/0x560 [ 742.442534][ T72] ipv6_add_addr+0x411/0x2000 [ 742.442534][ T72] inet6_addr_add+0x30e/0xa40 [ 742.442534][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.442534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.442534][ T72] netlink_rcv_skb+0x130/0x360 [ 742.442534][ T72] netlink_unicast+0x449/0x710 [ 742.442534][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.442534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.442534][ T72] ___sys_sendmsg+0xee/0x170 [ 742.442534][ T72] __sys_sendmsg+0xcd/0x170 [ 742.442534][ T72] do_syscall_64+0xc6/0x1e0 [ 742.442534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.442534][ T72] [ 742.444684][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 742.444684][ T72] netdev_get_by_index+0x5e/0x80 [ 742.444684][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.444684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.444684][ T72] ip6_route_add+0x1c/0x140 [ 742.444684][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 742.444684][ T72] addrconf_add_dev+0xe2/0x170 [ 742.444684][ T72] inet6_addr_add+0x12f/0xa40 [ 742.444684][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.444684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.444684][ T72] netlink_rcv_skb+0x130/0x360 [ 742.444684][ T72] netlink_unicast+0x449/0x710 [ 742.444684][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.444684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.444684][ T72] ___sys_sendmsg+0xee/0x170 [ 742.444684][ T72] __sys_sendmsg+0xcd/0x170 [ 742.444684][ T72] do_syscall_64+0xc6/0x1e0 [ 742.444684][ T72] [ 742.446795][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 742.446795][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 742.446795][ T72] ipv6_find_idev+0x102/0x170 [ 742.446795][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 742.446795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.446795][ T72] netlink_rcv_skb+0x130/0x360 [ 742.446795][ T72] netlink_unicast+0x449/0x710 [ 742.446795][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.446795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.446795][ T72] ___sys_sendmsg+0xee/0x170 [ 742.446795][ T72] __sys_sendmsg+0xcd/0x170 [ 742.446795][ T72] do_syscall_64+0xc6/0x1e0 [ 742.446795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.446795][ T72] [ 742.448445][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 742.448445][ T72] neigh_parms_alloc+0x1e5/0x510 [ 742.448445][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 742.448445][ T72] ipv6_find_idev+0x102/0x170 [ 742.448445][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 742.448445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.448445][ T72] netlink_rcv_skb+0x130/0x360 [ 742.448445][ T72] netlink_unicast+0x449/0x710 [ 742.448445][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.448445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.448445][ T72] ___sys_sendmsg+0xee/0x170 [ 742.448445][ T72] __sys_sendmsg+0xcd/0x170 [ 742.448445][ T72] do_syscall_64+0xc6/0x1e0 [ 742.448445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.448445][ T72] [ 742.450303][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 742.450596][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 742.450596][ T72] netdev_get_by_index+0x5e/0x80 [ 742.450596][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.450596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.450596][ T72] addrconf_f6i_alloc+0x265/0x560 [ 742.450596][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 742.450596][ T72] addrconf_join_anycast+0x1c0/0x220 [ 742.450596][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 742.450596][ T72] addrconf_dad_completed+0x12b/0xe20 [ 742.450596][ T72] addrconf_dad_begin+0x310/0x670 [ 742.450596][ T72] addrconf_dad_work+0x10b/0xab0 [ 742.450596][ T72] process_one_work+0x84d/0x18a0 [ 742.450596][ T72] worker_thread+0x587/0xd30 [ 742.450596][ T72] kthread+0x28a/0x350 [ 742.450596][ T72] ret_from_fork+0x31/0x70 [ 742.450596][ T72] ret_from_fork_asm+0x1a/0x30 [ 742.450596][ T72] [ 742.452654][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 742.452654][ T72] netdev_get_by_index+0x5e/0x80 [ 742.452654][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.452654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.452654][ T72] ip6_route_add+0x1c/0x140 [ 742.452654][ T72] addrconf_prefix_route+0x2a6/0x430 [ 742.452654][ T72] inet6_addr_add+0x4f8/0xa40 [ 742.452654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.452654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.452654][ T72] netlink_rcv_skb+0x130/0x360 [ 742.452654][ T72] netlink_unicast+0x449/0x710 [ 742.452654][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.452654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.452654][ T72] ___sys_sendmsg+0xee/0x170 [ 742.452654][ T72] __sys_sendmsg+0xcd/0x170 [ 742.452654][ T72] do_syscall_64+0xc6/0x1e0 [ 742.452654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.452654][ T72] [ 742.454809][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 742.454809][ T72] netdev_get_by_index+0x5e/0x80 [ 742.454809][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.454809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.454809][ T72] addrconf_f6i_alloc+0x315/0x560 [ 742.454809][ T72] ipv6_add_addr+0x411/0x2000 [ 742.454809][ T72] inet6_addr_add+0x30e/0xa40 [ 742.454809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.454809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.454809][ T72] netlink_rcv_skb+0x130/0x360 [ 742.454809][ T72] netlink_unicast+0x449/0x710 [ 742.454809][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.454809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.454809][ T72] ___sys_sendmsg+0xee/0x170 [ 742.454809][ T72] __sys_sendmsg+0xcd/0x170 [ 742.454809][ T72] do_syscall_64+0xc6/0x1e0 [ 742.454809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.454809][ T72] [ 742.456951][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 742.456951][ T72] netdev_get_by_index+0x5e/0x80 [ 742.456951][ T72] fib6_nh_init+0x3d8/0x1580 [ 742.456951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 742.456951][ T72] ip6_route_add+0x1c/0x140 [ 742.456951][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 742.456951][ T72] addrconf_add_dev+0xe2/0x170 [ 742.456951][ T72] inet6_addr_add+0x12f/0xa40 [ 742.456951][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 742.456951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.456951][ T72] netlink_rcv_skb+0x130/0x360 [ 742.456951][ T72] netlink_unicast+0x449/0x710 [ 742.456951][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.456951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.456951][ T72] ___sys_sendmsg+0xee/0x170 [ 742.456951][ T72] __sys_sendmsg+0xcd/0x170 [ 742.456951][ T72] do_syscall_64+0xc6/0x1e0 [ 742.456951][ T72] [ 742.459053][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 742.459053][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 742.459053][ T72] ipv6_find_idev+0x102/0x170 [ 742.459053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 742.459053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.459053][ T72] netlink_rcv_skb+0x130/0x360 [ 742.459053][ T72] netlink_unicast+0x449/0x710 [ 742.459053][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.459053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.459053][ T72] ___sys_sendmsg+0xee/0x170 [ 742.459053][ T72] __sys_sendmsg+0xcd/0x170 [ 742.459053][ T72] do_syscall_64+0xc6/0x1e0 [ 742.459053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.459053][ T72] [ 742.460667][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 742.460667][ T72] neigh_parms_alloc+0x1e5/0x510 [ 742.460667][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 742.460667][ T72] ipv6_find_idev+0x102/0x170 [ 742.460667][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 742.460667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 742.460667][ T72] netlink_rcv_skb+0x130/0x360 [ 742.460667][ T72] netlink_unicast+0x449/0x710 [ 742.460667][ T72] netlink_sendmsg+0x723/0xbe0 [ 742.460667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 742.460667][ T72] ___sys_sendmsg+0xee/0x170 [ 742.460667][ T72] __sys_sendmsg+0xcd/0x170 [ 742.460667][ T72] do_syscall_64+0xc6/0x1e0 [ 742.460667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 742.460667][ T72] [ 752.704922][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 752.705366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 752.705366][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 752.705366][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 752.705366][ T72] fib6_nh_init+0xa22/0x1580 [ 752.705366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.705366][ T72] ip6_route_add+0x1c/0x140 [ 752.705366][ T72] inet6_rtm_newroute+0x104/0x110 [ 752.705366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.705366][ T72] netlink_rcv_skb+0x130/0x360 [ 752.705366][ T72] netlink_unicast+0x449/0x710 [ 752.705366][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.705366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.705366][ T72] ___sys_sendmsg+0xee/0x170 [ 752.705366][ T72] __sys_sendmsg+0xcd/0x170 [ 752.705366][ T72] do_syscall_64+0xc6/0x1e0 [ 752.705366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.705366][ T72] [ 752.707269][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 752.707269][ T72] dst_init+0x84/0x4a0 [ 752.707269][ T72] dst_alloc+0x97/0x150 [ 752.707269][ T72] ip6_dst_alloc+0x23/0x90 [ 752.707269][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 752.707269][ T72] ip6_pol_route+0x56f/0x840 [ 752.707269][ T72] fib6_rule_lookup+0x456/0x630 [ 752.707269][ T72] ip6_route_input+0x59c/0xa50 [ 752.707269][ T72] ipv6_rcv+0x397/0x810 [ 752.707269][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 752.707269][ T72] process_backlog+0x101/0x620 [ 752.707269][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 752.707269][ T72] net_rx_action+0x495/0xbe0 [ 752.707269][ T72] __do_softirq+0x1b5/0x7f6 [ 752.707269][ T72] [ 752.708891][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 752.708891][ T72] netdev_get_by_index+0x5e/0x80 [ 752.708891][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.708891][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.708891][ T72] ip6_route_add+0x1c/0x140 [ 752.708891][ T72] addrconf_prefix_route+0x2a6/0x430 [ 752.708891][ T72] inet6_addr_add+0x4f8/0xa40 [ 752.708891][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.708891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.708891][ T72] netlink_rcv_skb+0x130/0x360 [ 752.708891][ T72] netlink_unicast+0x449/0x710 [ 752.708891][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.708891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.708891][ T72] ___sys_sendmsg+0xee/0x170 [ 752.708891][ T72] __sys_sendmsg+0xcd/0x170 [ 752.708891][ T72] do_syscall_64+0xc6/0x1e0 [ 752.708891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.708891][ T72] [ 752.710877][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 752.710877][ T72] netdev_get_by_index+0x5e/0x80 [ 752.710877][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.710877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.710877][ T72] addrconf_f6i_alloc+0x315/0x560 [ 752.710877][ T72] ipv6_add_addr+0x411/0x2000 [ 752.710877][ T72] inet6_addr_add+0x30e/0xa40 [ 752.710877][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.710877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.710877][ T72] netlink_rcv_skb+0x130/0x360 [ 752.710877][ T72] netlink_unicast+0x449/0x710 [ 752.710877][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.710877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.710877][ T72] ___sys_sendmsg+0xee/0x170 [ 752.710877][ T72] __sys_sendmsg+0xcd/0x170 [ 752.710877][ T72] do_syscall_64+0xc6/0x1e0 [ 752.710877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.710877][ T72] [ 752.712859][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 752.712859][ T72] netdev_get_by_index+0x5e/0x80 [ 752.712859][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.712859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.712859][ T72] ip6_route_add+0x1c/0x140 [ 752.712859][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 752.712859][ T72] addrconf_add_dev+0xe2/0x170 [ 752.712859][ T72] inet6_addr_add+0x12f/0xa40 [ 752.712859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.712859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.712859][ T72] netlink_rcv_skb+0x130/0x360 [ 752.712859][ T72] netlink_unicast+0x449/0x710 [ 752.712859][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.712859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.712859][ T72] ___sys_sendmsg+0xee/0x170 [ 752.712859][ T72] __sys_sendmsg+0xcd/0x170 [ 752.712859][ T72] do_syscall_64+0xc6/0x1e0 [ 752.712859][ T72] [ 752.714819][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 752.714819][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 752.714819][ T72] ipv6_find_idev+0x102/0x170 [ 752.714819][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 752.714819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.714819][ T72] netlink_rcv_skb+0x130/0x360 [ 752.714819][ T72] netlink_unicast+0x449/0x710 [ 752.714819][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.714819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.714819][ T72] ___sys_sendmsg+0xee/0x170 [ 752.714819][ T72] __sys_sendmsg+0xcd/0x170 [ 752.714819][ T72] do_syscall_64+0xc6/0x1e0 [ 752.714819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.714819][ T72] [ 752.716341][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 752.716341][ T72] neigh_parms_alloc+0x1e5/0x510 [ 752.716341][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 752.716341][ T72] ipv6_find_idev+0x102/0x170 [ 752.716341][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 752.716341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.716341][ T72] netlink_rcv_skb+0x130/0x360 [ 752.716341][ T72] netlink_unicast+0x449/0x710 [ 752.716341][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.716341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.716341][ T72] ___sys_sendmsg+0xee/0x170 [ 752.716341][ T72] __sys_sendmsg+0xcd/0x170 [ 752.716341][ T72] do_syscall_64+0xc6/0x1e0 [ 752.716341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.716341][ T72] [ 752.718017][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 752.718283][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 752.718283][ T72] dst_init+0x84/0x4a0 [ 752.718283][ T72] dst_alloc+0x97/0x150 [ 752.718283][ T72] ip6_dst_alloc+0x23/0x90 [ 752.718283][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 752.718283][ T72] ip6_pol_route+0x56f/0x840 [ 752.718283][ T72] fib6_rule_lookup+0x456/0x630 [ 752.718283][ T72] ip6_route_input+0x59c/0xa50 [ 752.718283][ T72] ipv6_rcv+0x397/0x810 [ 752.718283][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 752.718283][ T72] process_backlog+0x101/0x620 [ 752.718283][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 752.718283][ T72] net_rx_action+0x495/0xbe0 [ 752.718283][ T72] __do_softirq+0x1b5/0x7f6 [ 752.718283][ T72] [ 752.719913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 752.719913][ T72] netdev_get_by_index+0x5e/0x80 [ 752.719913][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.719913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.719913][ T72] addrconf_f6i_alloc+0x265/0x560 [ 752.719913][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 752.719913][ T72] addrconf_join_anycast+0x1c0/0x220 [ 752.719913][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 752.719913][ T72] addrconf_dad_completed+0x12b/0xe20 [ 752.719913][ T72] addrconf_dad_begin+0x310/0x670 [ 752.719913][ T72] addrconf_dad_work+0x10b/0xab0 [ 752.719913][ T72] process_one_work+0x84d/0x18a0 [ 752.719913][ T72] worker_thread+0x587/0xd30 [ 752.719913][ T72] kthread+0x28a/0x350 [ 752.719913][ T72] ret_from_fork+0x31/0x70 [ 752.719913][ T72] ret_from_fork_asm+0x1a/0x30 [ 752.719913][ T72] [ 752.722189][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 752.722189][ T72] netdev_get_by_index+0x5e/0x80 [ 752.722189][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.722189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.722189][ T72] ip6_route_add+0x1c/0x140 [ 752.722189][ T72] addrconf_prefix_route+0x2a6/0x430 [ 752.722189][ T72] inet6_addr_add+0x4f8/0xa40 [ 752.722189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.722189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.722189][ T72] netlink_rcv_skb+0x130/0x360 [ 752.722189][ T72] netlink_unicast+0x449/0x710 [ 752.722189][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.722189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.722189][ T72] ___sys_sendmsg+0xee/0x170 [ 752.722189][ T72] __sys_sendmsg+0xcd/0x170 [ 752.722189][ T72] do_syscall_64+0xc6/0x1e0 [ 752.722189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.722189][ T72] [ 752.724185][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 752.724185][ T72] netdev_get_by_index+0x5e/0x80 [ 752.724185][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.724185][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.724185][ T72] addrconf_f6i_alloc+0x315/0x560 [ 752.724185][ T72] ipv6_add_addr+0x411/0x2000 [ 752.724185][ T72] inet6_addr_add+0x30e/0xa40 [ 752.724185][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.724185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.724185][ T72] netlink_rcv_skb+0x130/0x360 [ 752.724185][ T72] netlink_unicast+0x449/0x710 [ 752.724185][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.724185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.724185][ T72] ___sys_sendmsg+0xee/0x170 [ 752.724185][ T72] __sys_sendmsg+0xcd/0x170 [ 752.724185][ T72] do_syscall_64+0xc6/0x1e0 [ 752.724185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.724185][ T72] [ 752.726176][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 752.726176][ T72] netdev_get_by_index+0x5e/0x80 [ 752.726176][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.726176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.726176][ T72] ip6_route_add+0x1c/0x140 [ 752.726176][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 752.726176][ T72] addrconf_add_dev+0xe2/0x170 [ 752.726176][ T72] inet6_addr_add+0x12f/0xa40 [ 752.726176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.726176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.726176][ T72] netlink_rcv_skb+0x130/0x360 [ 752.726176][ T72] netlink_unicast+0x449/0x710 [ 752.726176][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.726176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.726176][ T72] ___sys_sendmsg+0xee/0x170 [ 752.726176][ T72] __sys_sendmsg+0xcd/0x170 [ 752.726176][ T72] do_syscall_64+0xc6/0x1e0 [ 752.726176][ T72] [ 752.728131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 752.728131][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 752.728131][ T72] ipv6_find_idev+0x102/0x170 [ 752.728131][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 752.728131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.728131][ T72] netlink_rcv_skb+0x130/0x360 [ 752.728131][ T72] netlink_unicast+0x449/0x710 [ 752.728131][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.728131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.728131][ T72] ___sys_sendmsg+0xee/0x170 [ 752.728131][ T72] __sys_sendmsg+0xcd/0x170 [ 752.728131][ T72] do_syscall_64+0xc6/0x1e0 [ 752.728131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.728131][ T72] [ 752.729663][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 752.729663][ T72] neigh_parms_alloc+0x1e5/0x510 [ 752.729663][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 752.729663][ T72] ipv6_find_idev+0x102/0x170 [ 752.729663][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 752.729663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.729663][ T72] netlink_rcv_skb+0x130/0x360 [ 752.729663][ T72] netlink_unicast+0x449/0x710 [ 752.729663][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.729663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.729663][ T72] ___sys_sendmsg+0xee/0x170 [ 752.729663][ T72] __sys_sendmsg+0xcd/0x170 [ 752.729663][ T72] do_syscall_64+0xc6/0x1e0 [ 752.729663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.729663][ T72] [ 752.731407][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 752.731735][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 752.731735][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 752.731735][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 752.731735][ T72] fib6_nh_init+0xa22/0x1580 [ 752.731735][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.731735][ T72] ip6_route_add+0x1c/0x140 [ 752.731735][ T72] inet6_rtm_newroute+0x104/0x110 [ 752.731735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.731735][ T72] netlink_rcv_skb+0x130/0x360 [ 752.731735][ T72] netlink_unicast+0x449/0x710 [ 752.731735][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.731735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.731735][ T72] ___sys_sendmsg+0xee/0x170 [ 752.731735][ T72] __sys_sendmsg+0xcd/0x170 [ 752.731735][ T72] do_syscall_64+0xc6/0x1e0 [ 752.731735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.731735][ T72] [ 752.733974][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 752.733974][ T72] dst_init+0x84/0x4a0 [ 752.733974][ T72] dst_alloc+0x97/0x150 [ 752.733974][ T72] ip6_dst_alloc+0x23/0x90 [ 752.733974][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 752.733974][ T72] ip6_pol_route+0x56f/0x840 [ 752.733974][ T72] fib6_rule_lookup+0x456/0x630 [ 752.733974][ T72] ip6_route_input+0x59c/0xa50 [ 752.733974][ T72] ipv6_rcv+0x397/0x810 [ 752.733974][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 752.733974][ T72] process_backlog+0x101/0x620 [ 752.733974][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 752.733974][ T72] net_rx_action+0x495/0xbe0 [ 752.733974][ T72] __do_softirq+0x1b5/0x7f6 [ 752.733974][ T72] [ 752.735783][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 752.735783][ T72] netdev_get_by_index+0x5e/0x80 [ 752.735783][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.735783][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.735783][ T72] ip6_route_add+0x1c/0x140 [ 752.735783][ T72] addrconf_prefix_route+0x2a6/0x430 [ 752.735783][ T72] inet6_addr_add+0x4f8/0xa40 [ 752.735783][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.735783][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.735783][ T72] netlink_rcv_skb+0x130/0x360 [ 752.735783][ T72] netlink_unicast+0x449/0x710 [ 752.735783][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.735783][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.735783][ T72] ___sys_sendmsg+0xee/0x170 [ 752.735783][ T72] __sys_sendmsg+0xcd/0x170 [ 752.735783][ T72] do_syscall_64+0xc6/0x1e0 [ 752.735783][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.735783][ T72] [ 752.738060][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 752.738060][ T72] netdev_get_by_index+0x5e/0x80 [ 752.738060][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.738060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.738060][ T72] addrconf_f6i_alloc+0x315/0x560 [ 752.738060][ T72] ipv6_add_addr+0x411/0x2000 [ 752.738060][ T72] inet6_addr_add+0x30e/0xa40 [ 752.738060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.738060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.738060][ T72] netlink_rcv_skb+0x130/0x360 [ 752.738060][ T72] netlink_unicast+0x449/0x710 [ 752.738060][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.738060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.738060][ T72] ___sys_sendmsg+0xee/0x170 [ 752.738060][ T72] __sys_sendmsg+0xcd/0x170 [ 752.738060][ T72] do_syscall_64+0xc6/0x1e0 [ 752.738060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.738060][ T72] [ 752.740220][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 752.740220][ T72] netdev_get_by_index+0x5e/0x80 [ 752.740220][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.740220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.740220][ T72] ip6_route_add+0x1c/0x140 [ 752.740220][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 752.740220][ T72] addrconf_add_dev+0xe2/0x170 [ 752.740220][ T72] inet6_addr_add+0x12f/0xa40 [ 752.740220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.740220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.740220][ T72] netlink_rcv_skb+0x130/0x360 [ 752.740220][ T72] netlink_unicast+0x449/0x710 [ 752.740220][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.740220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.740220][ T72] ___sys_sendmsg+0xee/0x170 [ 752.740220][ T72] __sys_sendmsg+0xcd/0x170 [ 752.740220][ T72] do_syscall_64+0xc6/0x1e0 [ 752.740220][ T72] [ 752.742394][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 752.742394][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 752.742394][ T72] ipv6_find_idev+0x102/0x170 [ 752.742394][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 752.742394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.742394][ T72] netlink_rcv_skb+0x130/0x360 [ 752.742394][ T72] netlink_unicast+0x449/0x710 [ 752.742394][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.742394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.742394][ T72] ___sys_sendmsg+0xee/0x170 [ 752.742394][ T72] __sys_sendmsg+0xcd/0x170 [ 752.742394][ T72] do_syscall_64+0xc6/0x1e0 [ 752.742394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.742394][ T72] [ 752.744102][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 752.744102][ T72] neigh_parms_alloc+0x1e5/0x510 [ 752.744102][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 752.744102][ T72] ipv6_find_idev+0x102/0x170 [ 752.744102][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 752.744102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.744102][ T72] netlink_rcv_skb+0x130/0x360 [ 752.744102][ T72] netlink_unicast+0x449/0x710 [ 752.744102][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.744102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.744102][ T72] ___sys_sendmsg+0xee/0x170 [ 752.744102][ T72] __sys_sendmsg+0xcd/0x170 [ 752.744102][ T72] do_syscall_64+0xc6/0x1e0 [ 752.744102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.744102][ T72] [ 752.745962][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 752.746348][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 752.746348][ T72] netdev_get_by_index+0x5e/0x80 [ 752.746348][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.746348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.746348][ T72] addrconf_f6i_alloc+0x265/0x560 [ 752.746348][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 752.746348][ T72] addrconf_join_anycast+0x1c0/0x220 [ 752.746348][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 752.746348][ T72] addrconf_dad_completed+0x12b/0xe20 [ 752.746348][ T72] addrconf_dad_begin+0x310/0x670 [ 752.746348][ T72] addrconf_dad_work+0x10b/0xab0 [ 752.746348][ T72] process_one_work+0x84d/0x18a0 [ 752.746348][ T72] worker_thread+0x587/0xd30 [ 752.746348][ T72] kthread+0x28a/0x350 [ 752.746348][ T72] ret_from_fork+0x31/0x70 [ 752.746348][ T72] ret_from_fork_asm+0x1a/0x30 [ 752.746348][ T72] [ 752.748782][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 752.748782][ T72] netdev_get_by_index+0x5e/0x80 [ 752.748782][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.748782][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.748782][ T72] ip6_route_add+0x1c/0x140 [ 752.748782][ T72] addrconf_prefix_route+0x2a6/0x430 [ 752.748782][ T72] inet6_addr_add+0x4f8/0xa40 [ 752.748782][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.748782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.748782][ T72] netlink_rcv_skb+0x130/0x360 [ 752.748782][ T72] netlink_unicast+0x449/0x710 [ 752.748782][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.748782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.748782][ T72] ___sys_sendmsg+0xee/0x170 [ 752.748782][ T72] __sys_sendmsg+0xcd/0x170 [ 752.748782][ T72] do_syscall_64+0xc6/0x1e0 [ 752.748782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.748782][ T72] [ 752.751003][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 752.751003][ T72] netdev_get_by_index+0x5e/0x80 [ 752.751003][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.751003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.751003][ T72] addrconf_f6i_alloc+0x315/0x560 [ 752.751003][ T72] ipv6_add_addr+0x411/0x2000 [ 752.751003][ T72] inet6_addr_add+0x30e/0xa40 [ 752.751003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.751003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.751003][ T72] netlink_rcv_skb+0x130/0x360 [ 752.751003][ T72] netlink_unicast+0x449/0x710 [ 752.751003][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.751003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.751003][ T72] ___sys_sendmsg+0xee/0x170 [ 752.751003][ T72] __sys_sendmsg+0xcd/0x170 [ 752.751003][ T72] do_syscall_64+0xc6/0x1e0 [ 752.751003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.751003][ T72] [ 752.753225][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 752.753225][ T72] netdev_get_by_index+0x5e/0x80 [ 752.753225][ T72] fib6_nh_init+0x3d8/0x1580 [ 752.753225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 752.753225][ T72] ip6_route_add+0x1c/0x140 [ 752.753225][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 752.753225][ T72] addrconf_add_dev+0xe2/0x170 [ 752.753225][ T72] inet6_addr_add+0x12f/0xa40 [ 752.753225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 752.753225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.753225][ T72] netlink_rcv_skb+0x130/0x360 [ 752.753225][ T72] netlink_unicast+0x449/0x710 [ 752.753225][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.753225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.753225][ T72] ___sys_sendmsg+0xee/0x170 [ 752.753225][ T72] __sys_sendmsg+0xcd/0x170 [ 752.753225][ T72] do_syscall_64+0xc6/0x1e0 [ 752.753225][ T72] [ 752.755412][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 752.755412][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 752.755412][ T72] ipv6_find_idev+0x102/0x170 [ 752.755412][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 752.755412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.755412][ T72] netlink_rcv_skb+0x130/0x360 [ 752.755412][ T72] netlink_unicast+0x449/0x710 [ 752.755412][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.755412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.755412][ T72] ___sys_sendmsg+0xee/0x170 [ 752.755412][ T72] __sys_sendmsg+0xcd/0x170 [ 752.755412][ T72] do_syscall_64+0xc6/0x1e0 [ 752.755412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.755412][ T72] [ 752.757184][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 752.757184][ T72] neigh_parms_alloc+0x1e5/0x510 [ 752.757184][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 752.757184][ T72] ipv6_find_idev+0x102/0x170 [ 752.757184][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 752.757184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 752.757184][ T72] netlink_rcv_skb+0x130/0x360 [ 752.757184][ T72] netlink_unicast+0x449/0x710 [ 752.757184][ T72] netlink_sendmsg+0x723/0xbe0 [ 752.757184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 752.757184][ T72] ___sys_sendmsg+0xee/0x170 [ 752.757184][ T72] __sys_sendmsg+0xcd/0x170 [ 752.757184][ T72] do_syscall_64+0xc6/0x1e0 [ 752.757184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 752.757184][ T72] [ 763.000951][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 763.001460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 763.001460][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 763.001460][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 763.001460][ T72] fib6_nh_init+0xa22/0x1580 [ 763.001460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.001460][ T72] ip6_route_add+0x1c/0x140 [ 763.001460][ T72] inet6_rtm_newroute+0x104/0x110 [ 763.001460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.001460][ T72] netlink_rcv_skb+0x130/0x360 [ 763.001460][ T72] netlink_unicast+0x449/0x710 [ 763.001460][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.001460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.001460][ T72] ___sys_sendmsg+0xee/0x170 [ 763.001460][ T72] __sys_sendmsg+0xcd/0x170 [ 763.001460][ T72] do_syscall_64+0xc6/0x1e0 [ 763.001460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.001460][ T72] [ 763.003342][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 763.003342][ T72] dst_init+0x84/0x4a0 [ 763.003342][ T72] dst_alloc+0x97/0x150 [ 763.003342][ T72] ip6_dst_alloc+0x23/0x90 [ 763.003342][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 763.003342][ T72] ip6_pol_route+0x56f/0x840 [ 763.003342][ T72] fib6_rule_lookup+0x456/0x630 [ 763.003342][ T72] ip6_route_input+0x59c/0xa50 [ 763.003342][ T72] ipv6_rcv+0x397/0x810 [ 763.003342][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 763.003342][ T72] process_backlog+0x101/0x620 [ 763.003342][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 763.003342][ T72] net_rx_action+0x495/0xbe0 [ 763.003342][ T72] __do_softirq+0x1b5/0x7f6 [ 763.003342][ T72] [ 763.004987][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 763.004987][ T72] netdev_get_by_index+0x5e/0x80 [ 763.004987][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.004987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.004987][ T72] ip6_route_add+0x1c/0x140 [ 763.004987][ T72] addrconf_prefix_route+0x2a6/0x430 [ 763.004987][ T72] inet6_addr_add+0x4f8/0xa40 [ 763.004987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.004987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.004987][ T72] netlink_rcv_skb+0x130/0x360 [ 763.004987][ T72] netlink_unicast+0x449/0x710 [ 763.004987][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.004987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.004987][ T72] ___sys_sendmsg+0xee/0x170 [ 763.004987][ T72] __sys_sendmsg+0xcd/0x170 [ 763.004987][ T72] do_syscall_64+0xc6/0x1e0 [ 763.004987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.004987][ T72] [ 763.006978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 763.006978][ T72] netdev_get_by_index+0x5e/0x80 [ 763.006978][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.006978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.006978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 763.006978][ T72] ipv6_add_addr+0x411/0x2000 [ 763.006978][ T72] inet6_addr_add+0x30e/0xa40 [ 763.006978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.006978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.006978][ T72] netlink_rcv_skb+0x130/0x360 [ 763.006978][ T72] netlink_unicast+0x449/0x710 [ 763.006978][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.006978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.006978][ T72] ___sys_sendmsg+0xee/0x170 [ 763.006978][ T72] __sys_sendmsg+0xcd/0x170 [ 763.006978][ T72] do_syscall_64+0xc6/0x1e0 [ 763.006978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.006978][ T72] [ 763.008959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 763.008959][ T72] netdev_get_by_index+0x5e/0x80 [ 763.008959][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.008959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.008959][ T72] ip6_route_add+0x1c/0x140 [ 763.008959][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 763.008959][ T72] addrconf_add_dev+0xe2/0x170 [ 763.008959][ T72] inet6_addr_add+0x12f/0xa40 [ 763.008959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.008959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.008959][ T72] netlink_rcv_skb+0x130/0x360 [ 763.008959][ T72] netlink_unicast+0x449/0x710 [ 763.008959][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.008959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.008959][ T72] ___sys_sendmsg+0xee/0x170 [ 763.008959][ T72] __sys_sendmsg+0xcd/0x170 [ 763.008959][ T72] do_syscall_64+0xc6/0x1e0 [ 763.008959][ T72] [ 763.010912][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 763.010912][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 763.010912][ T72] ipv6_find_idev+0x102/0x170 [ 763.010912][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 763.010912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.010912][ T72] netlink_rcv_skb+0x130/0x360 [ 763.010912][ T72] netlink_unicast+0x449/0x710 [ 763.010912][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.010912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.010912][ T72] ___sys_sendmsg+0xee/0x170 [ 763.010912][ T72] __sys_sendmsg+0xcd/0x170 [ 763.010912][ T72] do_syscall_64+0xc6/0x1e0 [ 763.010912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.010912][ T72] [ 763.012446][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 763.012446][ T72] neigh_parms_alloc+0x1e5/0x510 [ 763.012446][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 763.012446][ T72] ipv6_find_idev+0x102/0x170 [ 763.012446][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 763.012446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.012446][ T72] netlink_rcv_skb+0x130/0x360 [ 763.012446][ T72] netlink_unicast+0x449/0x710 [ 763.012446][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.012446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.012446][ T72] ___sys_sendmsg+0xee/0x170 [ 763.012446][ T72] __sys_sendmsg+0xcd/0x170 [ 763.012446][ T72] do_syscall_64+0xc6/0x1e0 [ 763.012446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.012446][ T72] [ 763.014146][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 763.014415][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 763.014415][ T72] dst_init+0x84/0x4a0 [ 763.014415][ T72] dst_alloc+0x97/0x150 [ 763.014415][ T72] ip6_dst_alloc+0x23/0x90 [ 763.014415][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 763.014415][ T72] ip6_pol_route+0x56f/0x840 [ 763.014415][ T72] fib6_rule_lookup+0x456/0x630 [ 763.014415][ T72] ip6_route_input+0x59c/0xa50 [ 763.014415][ T72] ipv6_rcv+0x397/0x810 [ 763.014415][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 763.014415][ T72] process_backlog+0x101/0x620 [ 763.014415][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 763.014415][ T72] net_rx_action+0x495/0xbe0 [ 763.014415][ T72] __do_softirq+0x1b5/0x7f6 [ 763.014415][ T72] [ 763.016055][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 763.016055][ T72] netdev_get_by_index+0x5e/0x80 [ 763.016055][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.016055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.016055][ T72] addrconf_f6i_alloc+0x265/0x560 [ 763.016055][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 763.016055][ T72] addrconf_join_anycast+0x1c0/0x220 [ 763.016055][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 763.016055][ T72] addrconf_dad_completed+0x12b/0xe20 [ 763.016055][ T72] addrconf_dad_begin+0x310/0x670 [ 763.016055][ T72] addrconf_dad_work+0x10b/0xab0 [ 763.016055][ T72] process_one_work+0x84d/0x18a0 [ 763.016055][ T72] worker_thread+0x587/0xd30 [ 763.016055][ T72] kthread+0x28a/0x350 [ 763.016055][ T72] ret_from_fork+0x31/0x70 [ 763.016055][ T72] ret_from_fork_asm+0x1a/0x30 [ 763.016055][ T72] [ 763.017947][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 763.017947][ T72] netdev_get_by_index+0x5e/0x80 [ 763.017947][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.017947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.017947][ T72] ip6_route_add+0x1c/0x140 [ 763.017947][ T72] addrconf_prefix_route+0x2a6/0x430 [ 763.017947][ T72] inet6_addr_add+0x4f8/0xa40 [ 763.017947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.017947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.017947][ T72] netlink_rcv_skb+0x130/0x360 [ 763.017947][ T72] netlink_unicast+0x449/0x710 [ 763.017947][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.017947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.017947][ T72] ___sys_sendmsg+0xee/0x170 [ 763.017947][ T72] __sys_sendmsg+0xcd/0x170 [ 763.017947][ T72] do_syscall_64+0xc6/0x1e0 [ 763.017947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.017947][ T72] [ 763.019927][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 763.019927][ T72] netdev_get_by_index+0x5e/0x80 [ 763.019927][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.019927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.019927][ T72] addrconf_f6i_alloc+0x315/0x560 [ 763.019927][ T72] ipv6_add_addr+0x411/0x2000 [ 763.019927][ T72] inet6_addr_add+0x30e/0xa40 [ 763.019927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.019927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.019927][ T72] netlink_rcv_skb+0x130/0x360 [ 763.019927][ T72] netlink_unicast+0x449/0x710 [ 763.019927][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.019927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.019927][ T72] ___sys_sendmsg+0xee/0x170 [ 763.019927][ T72] __sys_sendmsg+0xcd/0x170 [ 763.019927][ T72] do_syscall_64+0xc6/0x1e0 [ 763.019927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.019927][ T72] [ 763.021911][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 763.021911][ T72] netdev_get_by_index+0x5e/0x80 [ 763.021911][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.021911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.021911][ T72] ip6_route_add+0x1c/0x140 [ 763.021911][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 763.021911][ T72] addrconf_add_dev+0xe2/0x170 [ 763.021911][ T72] inet6_addr_add+0x12f/0xa40 [ 763.021911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.021911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.021911][ T72] netlink_rcv_skb+0x130/0x360 [ 763.021911][ T72] netlink_unicast+0x449/0x710 [ 763.021911][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.021911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.021911][ T72] ___sys_sendmsg+0xee/0x170 [ 763.021911][ T72] __sys_sendmsg+0xcd/0x170 [ 763.021911][ T72] do_syscall_64+0xc6/0x1e0 [ 763.021911][ T72] [ 763.023859][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 763.023859][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 763.023859][ T72] ipv6_find_idev+0x102/0x170 [ 763.023859][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 763.023859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.023859][ T72] netlink_rcv_skb+0x130/0x360 [ 763.023859][ T72] netlink_unicast+0x449/0x710 [ 763.023859][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.023859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.023859][ T72] ___sys_sendmsg+0xee/0x170 [ 763.023859][ T72] __sys_sendmsg+0xcd/0x170 [ 763.023859][ T72] do_syscall_64+0xc6/0x1e0 [ 763.023859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.023859][ T72] [ 763.025387][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 763.025387][ T72] neigh_parms_alloc+0x1e5/0x510 [ 763.025387][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 763.025387][ T72] ipv6_find_idev+0x102/0x170 [ 763.025387][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 763.025387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.025387][ T72] netlink_rcv_skb+0x130/0x360 [ 763.025387][ T72] netlink_unicast+0x449/0x710 [ 763.025387][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.025387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.025387][ T72] ___sys_sendmsg+0xee/0x170 [ 763.025387][ T72] __sys_sendmsg+0xcd/0x170 [ 763.025387][ T72] do_syscall_64+0xc6/0x1e0 [ 763.025387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.025387][ T72] [ 763.027126][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 763.027458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 763.027458][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 763.027458][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 763.027458][ T72] fib6_nh_init+0xa22/0x1580 [ 763.027458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.027458][ T72] ip6_route_add+0x1c/0x140 [ 763.027458][ T72] inet6_rtm_newroute+0x104/0x110 [ 763.027458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.027458][ T72] netlink_rcv_skb+0x130/0x360 [ 763.027458][ T72] netlink_unicast+0x449/0x710 [ 763.027458][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.027458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.027458][ T72] ___sys_sendmsg+0xee/0x170 [ 763.027458][ T72] __sys_sendmsg+0xcd/0x170 [ 763.027458][ T72] do_syscall_64+0xc6/0x1e0 [ 763.027458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.027458][ T72] [ 763.029495][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 763.029495][ T72] dst_init+0x84/0x4a0 [ 763.029495][ T72] dst_alloc+0x97/0x150 [ 763.029495][ T72] ip6_dst_alloc+0x23/0x90 [ 763.029495][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 763.029495][ T72] ip6_pol_route+0x56f/0x840 [ 763.029495][ T72] fib6_rule_lookup+0x456/0x630 [ 763.029495][ T72] ip6_route_input+0x59c/0xa50 [ 763.029495][ T72] ipv6_rcv+0x397/0x810 [ 763.029495][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 763.029495][ T72] process_backlog+0x101/0x620 [ 763.029495][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 763.029495][ T72] net_rx_action+0x495/0xbe0 [ 763.029495][ T72] __do_softirq+0x1b5/0x7f6 [ 763.029495][ T72] [ 763.031300][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 763.031300][ T72] netdev_get_by_index+0x5e/0x80 [ 763.031300][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.031300][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.031300][ T72] ip6_route_add+0x1c/0x140 [ 763.031300][ T72] addrconf_prefix_route+0x2a6/0x430 [ 763.031300][ T72] inet6_addr_add+0x4f8/0xa40 [ 763.031300][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.031300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.031300][ T72] netlink_rcv_skb+0x130/0x360 [ 763.031300][ T72] netlink_unicast+0x449/0x710 [ 763.031300][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.031300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.031300][ T72] ___sys_sendmsg+0xee/0x170 [ 763.031300][ T72] __sys_sendmsg+0xcd/0x170 [ 763.031300][ T72] do_syscall_64+0xc6/0x1e0 [ 763.031300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.031300][ T72] [ 763.033518][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 763.033518][ T72] netdev_get_by_index+0x5e/0x80 [ 763.033518][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.033518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.033518][ T72] addrconf_f6i_alloc+0x315/0x560 [ 763.033518][ T72] ipv6_add_addr+0x411/0x2000 [ 763.033518][ T72] inet6_addr_add+0x30e/0xa40 [ 763.033518][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.033518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.033518][ T72] netlink_rcv_skb+0x130/0x360 [ 763.033518][ T72] netlink_unicast+0x449/0x710 [ 763.033518][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.033518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.033518][ T72] ___sys_sendmsg+0xee/0x170 [ 763.033518][ T72] __sys_sendmsg+0xcd/0x170 [ 763.033518][ T72] do_syscall_64+0xc6/0x1e0 [ 763.033518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.033518][ T72] [ 763.035694][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 763.035694][ T72] netdev_get_by_index+0x5e/0x80 [ 763.035694][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.035694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.035694][ T72] ip6_route_add+0x1c/0x140 [ 763.035694][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 763.035694][ T72] addrconf_add_dev+0xe2/0x170 [ 763.035694][ T72] inet6_addr_add+0x12f/0xa40 [ 763.035694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.035694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.035694][ T72] netlink_rcv_skb+0x130/0x360 [ 763.035694][ T72] netlink_unicast+0x449/0x710 [ 763.035694][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.035694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.035694][ T72] ___sys_sendmsg+0xee/0x170 [ 763.035694][ T72] __sys_sendmsg+0xcd/0x170 [ 763.035694][ T72] do_syscall_64+0xc6/0x1e0 [ 763.035694][ T72] [ 763.037937][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 763.037937][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 763.037937][ T72] ipv6_find_idev+0x102/0x170 [ 763.037937][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 763.037937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.037937][ T72] netlink_rcv_skb+0x130/0x360 [ 763.037937][ T72] netlink_unicast+0x449/0x710 [ 763.037937][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.037937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.037937][ T72] ___sys_sendmsg+0xee/0x170 [ 763.037937][ T72] __sys_sendmsg+0xcd/0x170 [ 763.037937][ T72] do_syscall_64+0xc6/0x1e0 [ 763.037937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.037937][ T72] [ 763.039652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 763.039652][ T72] neigh_parms_alloc+0x1e5/0x510 [ 763.039652][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 763.039652][ T72] ipv6_find_idev+0x102/0x170 [ 763.039652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 763.039652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.039652][ T72] netlink_rcv_skb+0x130/0x360 [ 763.039652][ T72] netlink_unicast+0x449/0x710 [ 763.039652][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.039652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.039652][ T72] ___sys_sendmsg+0xee/0x170 [ 763.039652][ T72] __sys_sendmsg+0xcd/0x170 [ 763.039652][ T72] do_syscall_64+0xc6/0x1e0 [ 763.039652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.039652][ T72] [ 763.041498][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 763.041822][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 763.041822][ T72] netdev_get_by_index+0x5e/0x80 [ 763.041822][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.041822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.041822][ T72] addrconf_f6i_alloc+0x265/0x560 [ 763.041822][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 763.041822][ T72] addrconf_join_anycast+0x1c0/0x220 [ 763.041822][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 763.041822][ T72] addrconf_dad_completed+0x12b/0xe20 [ 763.041822][ T72] addrconf_dad_begin+0x310/0x670 [ 763.041822][ T72] addrconf_dad_work+0x10b/0xab0 [ 763.041822][ T72] process_one_work+0x84d/0x18a0 [ 763.041822][ T72] worker_thread+0x587/0xd30 [ 763.041822][ T72] kthread+0x28a/0x350 [ 763.041822][ T72] ret_from_fork+0x31/0x70 [ 763.041822][ T72] ret_from_fork_asm+0x1a/0x30 [ 763.041822][ T72] [ 763.043891][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 763.043891][ T72] netdev_get_by_index+0x5e/0x80 [ 763.043891][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.043891][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.043891][ T72] ip6_route_add+0x1c/0x140 [ 763.043891][ T72] addrconf_prefix_route+0x2a6/0x430 [ 763.043891][ T72] inet6_addr_add+0x4f8/0xa40 [ 763.043891][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.043891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.043891][ T72] netlink_rcv_skb+0x130/0x360 [ 763.043891][ T72] netlink_unicast+0x449/0x710 [ 763.043891][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.043891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.043891][ T72] ___sys_sendmsg+0xee/0x170 [ 763.043891][ T72] __sys_sendmsg+0xcd/0x170 [ 763.043891][ T72] do_syscall_64+0xc6/0x1e0 [ 763.043891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.043891][ T72] [ 763.046125][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 763.046125][ T72] netdev_get_by_index+0x5e/0x80 [ 763.046125][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.046125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.046125][ T72] addrconf_f6i_alloc+0x315/0x560 [ 763.046125][ T72] ipv6_add_addr+0x411/0x2000 [ 763.046125][ T72] inet6_addr_add+0x30e/0xa40 [ 763.046125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.046125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.046125][ T72] netlink_rcv_skb+0x130/0x360 [ 763.046125][ T72] netlink_unicast+0x449/0x710 [ 763.046125][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.046125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.046125][ T72] ___sys_sendmsg+0xee/0x170 [ 763.046125][ T72] __sys_sendmsg+0xcd/0x170 [ 763.046125][ T72] do_syscall_64+0xc6/0x1e0 [ 763.046125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.046125][ T72] [ 763.048407][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 763.048407][ T72] netdev_get_by_index+0x5e/0x80 [ 763.048407][ T72] fib6_nh_init+0x3d8/0x1580 [ 763.048407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 763.048407][ T72] ip6_route_add+0x1c/0x140 [ 763.048407][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 763.048407][ T72] addrconf_add_dev+0xe2/0x170 [ 763.048407][ T72] inet6_addr_add+0x12f/0xa40 [ 763.048407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 763.048407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.048407][ T72] netlink_rcv_skb+0x130/0x360 [ 763.048407][ T72] netlink_unicast+0x449/0x710 [ 763.048407][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.048407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.048407][ T72] ___sys_sendmsg+0xee/0x170 [ 763.048407][ T72] __sys_sendmsg+0xcd/0x170 [ 763.048407][ T72] do_syscall_64+0xc6/0x1e0 [ 763.048407][ T72] [ 763.050607][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 763.050607][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 763.050607][ T72] ipv6_find_idev+0x102/0x170 [ 763.050607][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 763.050607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.050607][ T72] netlink_rcv_skb+0x130/0x360 [ 763.050607][ T72] netlink_unicast+0x449/0x710 [ 763.050607][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.050607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.050607][ T72] ___sys_sendmsg+0xee/0x170 [ 763.050607][ T72] __sys_sendmsg+0xcd/0x170 [ 763.050607][ T72] do_syscall_64+0xc6/0x1e0 [ 763.050607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.050607][ T72] [ 763.052319][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 763.052319][ T72] neigh_parms_alloc+0x1e5/0x510 [ 763.052319][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 763.052319][ T72] ipv6_find_idev+0x102/0x170 [ 763.052319][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 763.052319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 763.052319][ T72] netlink_rcv_skb+0x130/0x360 [ 763.052319][ T72] netlink_unicast+0x449/0x710 [ 763.052319][ T72] netlink_sendmsg+0x723/0xbe0 [ 763.052319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 763.052319][ T72] ___sys_sendmsg+0xee/0x170 [ 763.052319][ T72] __sys_sendmsg+0xcd/0x170 [ 763.052319][ T72] do_syscall_64+0xc6/0x1e0 [ 763.052319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 763.052319][ T72] [ 773.296978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 773.297482][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 773.297482][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 773.297482][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 773.297482][ T72] fib6_nh_init+0xa22/0x1580 [ 773.297482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.297482][ T72] ip6_route_add+0x1c/0x140 [ 773.297482][ T72] inet6_rtm_newroute+0x104/0x110 [ 773.297482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.297482][ T72] netlink_rcv_skb+0x130/0x360 [ 773.297482][ T72] netlink_unicast+0x449/0x710 [ 773.297482][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.297482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.297482][ T72] ___sys_sendmsg+0xee/0x170 [ 773.297482][ T72] __sys_sendmsg+0xcd/0x170 [ 773.297482][ T72] do_syscall_64+0xc6/0x1e0 [ 773.297482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.297482][ T72] [ 773.299369][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 773.299369][ T72] dst_init+0x84/0x4a0 [ 773.299369][ T72] dst_alloc+0x97/0x150 [ 773.299369][ T72] ip6_dst_alloc+0x23/0x90 [ 773.299369][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 773.299369][ T72] ip6_pol_route+0x56f/0x840 [ 773.299369][ T72] fib6_rule_lookup+0x456/0x630 [ 773.299369][ T72] ip6_route_input+0x59c/0xa50 [ 773.299369][ T72] ipv6_rcv+0x397/0x810 [ 773.299369][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 773.299369][ T72] process_backlog+0x101/0x620 [ 773.299369][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 773.299369][ T72] net_rx_action+0x495/0xbe0 [ 773.299369][ T72] __do_softirq+0x1b5/0x7f6 [ 773.299369][ T72] [ 773.300996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 773.300996][ T72] netdev_get_by_index+0x5e/0x80 [ 773.300996][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.300996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.300996][ T72] ip6_route_add+0x1c/0x140 [ 773.300996][ T72] addrconf_prefix_route+0x2a6/0x430 [ 773.300996][ T72] inet6_addr_add+0x4f8/0xa40 [ 773.300996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.300996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.300996][ T72] netlink_rcv_skb+0x130/0x360 [ 773.300996][ T72] netlink_unicast+0x449/0x710 [ 773.300996][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.300996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.300996][ T72] ___sys_sendmsg+0xee/0x170 [ 773.300996][ T72] __sys_sendmsg+0xcd/0x170 [ 773.300996][ T72] do_syscall_64+0xc6/0x1e0 [ 773.300996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.300996][ T72] [ 773.302981][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 773.302981][ T72] netdev_get_by_index+0x5e/0x80 [ 773.302981][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.302981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.302981][ T72] addrconf_f6i_alloc+0x315/0x560 [ 773.302981][ T72] ipv6_add_addr+0x411/0x2000 [ 773.302981][ T72] inet6_addr_add+0x30e/0xa40 [ 773.302981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.302981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.302981][ T72] netlink_rcv_skb+0x130/0x360 [ 773.302981][ T72] netlink_unicast+0x449/0x710 [ 773.302981][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.302981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.302981][ T72] ___sys_sendmsg+0xee/0x170 [ 773.302981][ T72] __sys_sendmsg+0xcd/0x170 [ 773.302981][ T72] do_syscall_64+0xc6/0x1e0 [ 773.302981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.302981][ T72] [ 773.304975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 773.304975][ T72] netdev_get_by_index+0x5e/0x80 [ 773.304975][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.304975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.304975][ T72] ip6_route_add+0x1c/0x140 [ 773.304975][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 773.304975][ T72] addrconf_add_dev+0xe2/0x170 [ 773.304975][ T72] inet6_addr_add+0x12f/0xa40 [ 773.304975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.304975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.304975][ T72] netlink_rcv_skb+0x130/0x360 [ 773.304975][ T72] netlink_unicast+0x449/0x710 [ 773.304975][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.304975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.304975][ T72] ___sys_sendmsg+0xee/0x170 [ 773.304975][ T72] __sys_sendmsg+0xcd/0x170 [ 773.304975][ T72] do_syscall_64+0xc6/0x1e0 [ 773.304975][ T72] [ 773.306930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 773.306930][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 773.306930][ T72] ipv6_find_idev+0x102/0x170 [ 773.306930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 773.306930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.306930][ T72] netlink_rcv_skb+0x130/0x360 [ 773.306930][ T72] netlink_unicast+0x449/0x710 [ 773.306930][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.306930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.306930][ T72] ___sys_sendmsg+0xee/0x170 [ 773.306930][ T72] __sys_sendmsg+0xcd/0x170 [ 773.306930][ T72] do_syscall_64+0xc6/0x1e0 [ 773.306930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.306930][ T72] [ 773.308466][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 773.308466][ T72] neigh_parms_alloc+0x1e5/0x510 [ 773.308466][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 773.308466][ T72] ipv6_find_idev+0x102/0x170 [ 773.308466][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 773.308466][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.308466][ T72] netlink_rcv_skb+0x130/0x360 [ 773.308466][ T72] netlink_unicast+0x449/0x710 [ 773.308466][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.308466][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.308466][ T72] ___sys_sendmsg+0xee/0x170 [ 773.308466][ T72] __sys_sendmsg+0xcd/0x170 [ 773.308466][ T72] do_syscall_64+0xc6/0x1e0 [ 773.308466][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.308466][ T72] [ 773.310155][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 773.310423][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 773.310423][ T72] dst_init+0x84/0x4a0 [ 773.310423][ T72] dst_alloc+0x97/0x150 [ 773.310423][ T72] ip6_dst_alloc+0x23/0x90 [ 773.310423][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 773.310423][ T72] ip6_pol_route+0x56f/0x840 [ 773.310423][ T72] fib6_rule_lookup+0x456/0x630 [ 773.310423][ T72] ip6_route_input+0x59c/0xa50 [ 773.310423][ T72] ipv6_rcv+0x397/0x810 [ 773.310423][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 773.310423][ T72] process_backlog+0x101/0x620 [ 773.310423][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 773.310423][ T72] net_rx_action+0x495/0xbe0 [ 773.310423][ T72] __do_softirq+0x1b5/0x7f6 [ 773.310423][ T72] [ 773.312053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 773.312053][ T72] netdev_get_by_index+0x5e/0x80 [ 773.312053][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.312053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.312053][ T72] addrconf_f6i_alloc+0x265/0x560 [ 773.312053][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 773.312053][ T72] addrconf_join_anycast+0x1c0/0x220 [ 773.312053][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 773.312053][ T72] addrconf_dad_completed+0x12b/0xe20 [ 773.312053][ T72] addrconf_dad_begin+0x310/0x670 [ 773.312053][ T72] addrconf_dad_work+0x10b/0xab0 [ 773.312053][ T72] process_one_work+0x84d/0x18a0 [ 773.312053][ T72] worker_thread+0x587/0xd30 [ 773.312053][ T72] kthread+0x28a/0x350 [ 773.312053][ T72] ret_from_fork+0x31/0x70 [ 773.312053][ T72] ret_from_fork_asm+0x1a/0x30 [ 773.312053][ T72] [ 773.313946][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 773.313946][ T72] netdev_get_by_index+0x5e/0x80 [ 773.313946][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.313946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.313946][ T72] ip6_route_add+0x1c/0x140 [ 773.313946][ T72] addrconf_prefix_route+0x2a6/0x430 [ 773.313946][ T72] inet6_addr_add+0x4f8/0xa40 [ 773.313946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.313946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.313946][ T72] netlink_rcv_skb+0x130/0x360 [ 773.313946][ T72] netlink_unicast+0x449/0x710 [ 773.313946][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.313946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.313946][ T72] ___sys_sendmsg+0xee/0x170 [ 773.313946][ T72] __sys_sendmsg+0xcd/0x170 [ 773.313946][ T72] do_syscall_64+0xc6/0x1e0 [ 773.313946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.313946][ T72] [ 773.315930][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 773.315930][ T72] netdev_get_by_index+0x5e/0x80 [ 773.315930][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.315930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.315930][ T72] addrconf_f6i_alloc+0x315/0x560 [ 773.315930][ T72] ipv6_add_addr+0x411/0x2000 [ 773.315930][ T72] inet6_addr_add+0x30e/0xa40 [ 773.315930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.315930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.315930][ T72] netlink_rcv_skb+0x130/0x360 [ 773.315930][ T72] netlink_unicast+0x449/0x710 [ 773.315930][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.315930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.315930][ T72] ___sys_sendmsg+0xee/0x170 [ 773.315930][ T72] __sys_sendmsg+0xcd/0x170 [ 773.315930][ T72] do_syscall_64+0xc6/0x1e0 [ 773.315930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.315930][ T72] [ 773.317913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 773.317913][ T72] netdev_get_by_index+0x5e/0x80 [ 773.317913][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.317913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.317913][ T72] ip6_route_add+0x1c/0x140 [ 773.317913][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 773.317913][ T72] addrconf_add_dev+0xe2/0x170 [ 773.317913][ T72] inet6_addr_add+0x12f/0xa40 [ 773.317913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.317913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.317913][ T72] netlink_rcv_skb+0x130/0x360 [ 773.317913][ T72] netlink_unicast+0x449/0x710 [ 773.317913][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.317913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.317913][ T72] ___sys_sendmsg+0xee/0x170 [ 773.317913][ T72] __sys_sendmsg+0xcd/0x170 [ 773.317913][ T72] do_syscall_64+0xc6/0x1e0 [ 773.317913][ T72] [ 773.319857][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 773.319857][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 773.319857][ T72] ipv6_find_idev+0x102/0x170 [ 773.319857][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 773.319857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.319857][ T72] netlink_rcv_skb+0x130/0x360 [ 773.319857][ T72] netlink_unicast+0x449/0x710 [ 773.319857][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.319857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.319857][ T72] ___sys_sendmsg+0xee/0x170 [ 773.319857][ T72] __sys_sendmsg+0xcd/0x170 [ 773.319857][ T72] do_syscall_64+0xc6/0x1e0 [ 773.319857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.319857][ T72] [ 773.321393][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 773.321393][ T72] neigh_parms_alloc+0x1e5/0x510 [ 773.321393][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 773.321393][ T72] ipv6_find_idev+0x102/0x170 [ 773.321393][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 773.321393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.321393][ T72] netlink_rcv_skb+0x130/0x360 [ 773.321393][ T72] netlink_unicast+0x449/0x710 [ 773.321393][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.321393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.321393][ T72] ___sys_sendmsg+0xee/0x170 [ 773.321393][ T72] __sys_sendmsg+0xcd/0x170 [ 773.321393][ T72] do_syscall_64+0xc6/0x1e0 [ 773.321393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.321393][ T72] [ 773.323170][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 773.323446][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 773.323446][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 773.323446][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 773.323446][ T72] fib6_nh_init+0xa22/0x1580 [ 773.323446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.323446][ T72] ip6_route_add+0x1c/0x140 [ 773.323446][ T72] inet6_rtm_newroute+0x104/0x110 [ 773.323446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.323446][ T72] netlink_rcv_skb+0x130/0x360 [ 773.323446][ T72] netlink_unicast+0x449/0x710 [ 773.323446][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.323446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.323446][ T72] ___sys_sendmsg+0xee/0x170 [ 773.323446][ T72] __sys_sendmsg+0xcd/0x170 [ 773.323446][ T72] do_syscall_64+0xc6/0x1e0 [ 773.323446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.323446][ T72] [ 773.325616][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 773.325616][ T72] dst_init+0x84/0x4a0 [ 773.325616][ T72] dst_alloc+0x97/0x150 [ 773.325616][ T72] ip6_dst_alloc+0x23/0x90 [ 773.325616][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 773.325616][ T72] ip6_pol_route+0x56f/0x840 [ 773.325616][ T72] fib6_rule_lookup+0x456/0x630 [ 773.325616][ T72] ip6_route_input+0x59c/0xa50 [ 773.325616][ T72] ipv6_rcv+0x397/0x810 [ 773.325616][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 773.325616][ T72] process_backlog+0x101/0x620 [ 773.325616][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 773.325616][ T72] net_rx_action+0x495/0xbe0 [ 773.325616][ T72] __do_softirq+0x1b5/0x7f6 [ 773.325616][ T72] [ 773.327418][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 773.327418][ T72] netdev_get_by_index+0x5e/0x80 [ 773.327418][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.327418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.327418][ T72] ip6_route_add+0x1c/0x140 [ 773.327418][ T72] addrconf_prefix_route+0x2a6/0x430 [ 773.327418][ T72] inet6_addr_add+0x4f8/0xa40 [ 773.327418][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.327418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.327418][ T72] netlink_rcv_skb+0x130/0x360 [ 773.327418][ T72] netlink_unicast+0x449/0x710 [ 773.327418][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.327418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.327418][ T72] ___sys_sendmsg+0xee/0x170 [ 773.327418][ T72] __sys_sendmsg+0xcd/0x170 [ 773.327418][ T72] do_syscall_64+0xc6/0x1e0 [ 773.327418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.327418][ T72] [ 773.329643][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 773.329643][ T72] netdev_get_by_index+0x5e/0x80 [ 773.329643][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.329643][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.329643][ T72] addrconf_f6i_alloc+0x315/0x560 [ 773.329643][ T72] ipv6_add_addr+0x411/0x2000 [ 773.329643][ T72] inet6_addr_add+0x30e/0xa40 [ 773.329643][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.329643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.329643][ T72] netlink_rcv_skb+0x130/0x360 [ 773.329643][ T72] netlink_unicast+0x449/0x710 [ 773.329643][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.329643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.329643][ T72] ___sys_sendmsg+0xee/0x170 [ 773.329643][ T72] __sys_sendmsg+0xcd/0x170 [ 773.329643][ T72] do_syscall_64+0xc6/0x1e0 [ 773.329643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.329643][ T72] [ 773.331741][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 773.331741][ T72] netdev_get_by_index+0x5e/0x80 [ 773.331741][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.331741][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.331741][ T72] ip6_route_add+0x1c/0x140 [ 773.331741][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 773.331741][ T72] addrconf_add_dev+0xe2/0x170 [ 773.331741][ T72] inet6_addr_add+0x12f/0xa40 [ 773.331741][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.331741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.331741][ T72] netlink_rcv_skb+0x130/0x360 [ 773.331741][ T72] netlink_unicast+0x449/0x710 [ 773.331741][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.331741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.331741][ T72] ___sys_sendmsg+0xee/0x170 [ 773.331741][ T72] __sys_sendmsg+0xcd/0x170 [ 773.331741][ T72] do_syscall_64+0xc6/0x1e0 [ 773.331741][ T72] [ 773.334007][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 773.334007][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 773.334007][ T72] ipv6_find_idev+0x102/0x170 [ 773.334007][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 773.334007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.334007][ T72] netlink_rcv_skb+0x130/0x360 [ 773.334007][ T72] netlink_unicast+0x449/0x710 [ 773.334007][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.334007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.334007][ T72] ___sys_sendmsg+0xee/0x170 [ 773.334007][ T72] __sys_sendmsg+0xcd/0x170 [ 773.334007][ T72] do_syscall_64+0xc6/0x1e0 [ 773.334007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.334007][ T72] [ 773.335715][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 773.335715][ T72] neigh_parms_alloc+0x1e5/0x510 [ 773.335715][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 773.335715][ T72] ipv6_find_idev+0x102/0x170 [ 773.335715][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 773.335715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.335715][ T72] netlink_rcv_skb+0x130/0x360 [ 773.335715][ T72] netlink_unicast+0x449/0x710 [ 773.335715][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.335715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.335715][ T72] ___sys_sendmsg+0xee/0x170 [ 773.335715][ T72] __sys_sendmsg+0xcd/0x170 [ 773.335715][ T72] do_syscall_64+0xc6/0x1e0 [ 773.335715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.335715][ T72] [ 773.337552][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 773.337889][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 773.337889][ T72] netdev_get_by_index+0x5e/0x80 [ 773.337889][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.337889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.337889][ T72] addrconf_f6i_alloc+0x265/0x560 [ 773.337889][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 773.337889][ T72] addrconf_join_anycast+0x1c0/0x220 [ 773.337889][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 773.337889][ T72] addrconf_dad_completed+0x12b/0xe20 [ 773.337889][ T72] addrconf_dad_begin+0x310/0x670 [ 773.337889][ T72] addrconf_dad_work+0x10b/0xab0 [ 773.337889][ T72] process_one_work+0x84d/0x18a0 [ 773.337889][ T72] worker_thread+0x587/0xd30 [ 773.337889][ T72] kthread+0x28a/0x350 [ 773.337889][ T72] ret_from_fork+0x31/0x70 [ 773.337889][ T72] ret_from_fork_asm+0x1a/0x30 [ 773.337889][ T72] [ 773.339964][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 773.339964][ T72] netdev_get_by_index+0x5e/0x80 [ 773.339964][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.339964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.339964][ T72] ip6_route_add+0x1c/0x140 [ 773.339964][ T72] addrconf_prefix_route+0x2a6/0x430 [ 773.339964][ T72] inet6_addr_add+0x4f8/0xa40 [ 773.339964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.339964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.339964][ T72] netlink_rcv_skb+0x130/0x360 [ 773.339964][ T72] netlink_unicast+0x449/0x710 [ 773.339964][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.339964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.339964][ T72] ___sys_sendmsg+0xee/0x170 [ 773.339964][ T72] __sys_sendmsg+0xcd/0x170 [ 773.339964][ T72] do_syscall_64+0xc6/0x1e0 [ 773.339964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.339964][ T72] [ 773.342186][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 773.342186][ T72] netdev_get_by_index+0x5e/0x80 [ 773.342186][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.342186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.342186][ T72] addrconf_f6i_alloc+0x315/0x560 [ 773.342186][ T72] ipv6_add_addr+0x411/0x2000 [ 773.342186][ T72] inet6_addr_add+0x30e/0xa40 [ 773.342186][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.342186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.342186][ T72] netlink_rcv_skb+0x130/0x360 [ 773.342186][ T72] netlink_unicast+0x449/0x710 [ 773.342186][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.342186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.342186][ T72] ___sys_sendmsg+0xee/0x170 [ 773.342186][ T72] __sys_sendmsg+0xcd/0x170 [ 773.342186][ T72] do_syscall_64+0xc6/0x1e0 [ 773.342186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.342186][ T72] [ 773.344470][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 773.344470][ T72] netdev_get_by_index+0x5e/0x80 [ 773.344470][ T72] fib6_nh_init+0x3d8/0x1580 [ 773.344470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 773.344470][ T72] ip6_route_add+0x1c/0x140 [ 773.344470][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 773.344470][ T72] addrconf_add_dev+0xe2/0x170 [ 773.344470][ T72] inet6_addr_add+0x12f/0xa40 [ 773.344470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 773.344470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.344470][ T72] netlink_rcv_skb+0x130/0x360 [ 773.344470][ T72] netlink_unicast+0x449/0x710 [ 773.344470][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.344470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.344470][ T72] ___sys_sendmsg+0xee/0x170 [ 773.344470][ T72] __sys_sendmsg+0xcd/0x170 [ 773.344470][ T72] do_syscall_64+0xc6/0x1e0 [ 773.344470][ T72] [ 773.346651][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 773.346651][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 773.346651][ T72] ipv6_find_idev+0x102/0x170 [ 773.346651][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 773.346651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.346651][ T72] netlink_rcv_skb+0x130/0x360 [ 773.346651][ T72] netlink_unicast+0x449/0x710 [ 773.346651][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.346651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.346651][ T72] ___sys_sendmsg+0xee/0x170 [ 773.346651][ T72] __sys_sendmsg+0xcd/0x170 [ 773.346651][ T72] do_syscall_64+0xc6/0x1e0 [ 773.346651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.346651][ T72] [ 773.348355][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 773.348355][ T72] neigh_parms_alloc+0x1e5/0x510 [ 773.348355][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 773.348355][ T72] ipv6_find_idev+0x102/0x170 [ 773.348355][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 773.348355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 773.348355][ T72] netlink_rcv_skb+0x130/0x360 [ 773.348355][ T72] netlink_unicast+0x449/0x710 [ 773.348355][ T72] netlink_sendmsg+0x723/0xbe0 [ 773.348355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 773.348355][ T72] ___sys_sendmsg+0xee/0x170 [ 773.348355][ T72] __sys_sendmsg+0xcd/0x170 [ 773.348355][ T72] do_syscall_64+0xc6/0x1e0 [ 773.348355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 773.348355][ T72] [ 783.592932][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 783.593420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 783.593420][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 783.593420][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 783.593420][ T72] fib6_nh_init+0xa22/0x1580 [ 783.593420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.593420][ T72] ip6_route_add+0x1c/0x140 [ 783.593420][ T72] inet6_rtm_newroute+0x104/0x110 [ 783.593420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.593420][ T72] netlink_rcv_skb+0x130/0x360 [ 783.593420][ T72] netlink_unicast+0x449/0x710 [ 783.593420][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.593420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.593420][ T72] ___sys_sendmsg+0xee/0x170 [ 783.593420][ T72] __sys_sendmsg+0xcd/0x170 [ 783.593420][ T72] do_syscall_64+0xc6/0x1e0 [ 783.593420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.593420][ T72] [ 783.595317][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 783.595317][ T72] dst_init+0x84/0x4a0 [ 783.595317][ T72] dst_alloc+0x97/0x150 [ 783.595317][ T72] ip6_dst_alloc+0x23/0x90 [ 783.595317][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 783.595317][ T72] ip6_pol_route+0x56f/0x840 [ 783.595317][ T72] fib6_rule_lookup+0x456/0x630 [ 783.595317][ T72] ip6_route_input+0x59c/0xa50 [ 783.595317][ T72] ipv6_rcv+0x397/0x810 [ 783.595317][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 783.595317][ T72] process_backlog+0x101/0x620 [ 783.595317][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 783.595317][ T72] net_rx_action+0x495/0xbe0 [ 783.595317][ T72] __do_softirq+0x1b5/0x7f6 [ 783.595317][ T72] [ 783.596954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 783.596954][ T72] netdev_get_by_index+0x5e/0x80 [ 783.596954][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.596954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.596954][ T72] ip6_route_add+0x1c/0x140 [ 783.596954][ T72] addrconf_prefix_route+0x2a6/0x430 [ 783.596954][ T72] inet6_addr_add+0x4f8/0xa40 [ 783.596954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.596954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.596954][ T72] netlink_rcv_skb+0x130/0x360 [ 783.596954][ T72] netlink_unicast+0x449/0x710 [ 783.596954][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.596954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.596954][ T72] ___sys_sendmsg+0xee/0x170 [ 783.596954][ T72] __sys_sendmsg+0xcd/0x170 [ 783.596954][ T72] do_syscall_64+0xc6/0x1e0 [ 783.596954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.596954][ T72] [ 783.598938][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 783.598938][ T72] netdev_get_by_index+0x5e/0x80 [ 783.598938][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.598938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.598938][ T72] addrconf_f6i_alloc+0x315/0x560 [ 783.598938][ T72] ipv6_add_addr+0x411/0x2000 [ 783.598938][ T72] inet6_addr_add+0x30e/0xa40 [ 783.598938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.598938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.598938][ T72] netlink_rcv_skb+0x130/0x360 [ 783.598938][ T72] netlink_unicast+0x449/0x710 [ 783.598938][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.598938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.598938][ T72] ___sys_sendmsg+0xee/0x170 [ 783.598938][ T72] __sys_sendmsg+0xcd/0x170 [ 783.598938][ T72] do_syscall_64+0xc6/0x1e0 [ 783.598938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.598938][ T72] [ 783.601508][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 783.601508][ T72] netdev_get_by_index+0x5e/0x80 [ 783.601508][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.601508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.601508][ T72] ip6_route_add+0x1c/0x140 [ 783.601508][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 783.601508][ T72] addrconf_add_dev+0xe2/0x170 [ 783.601508][ T72] inet6_addr_add+0x12f/0xa40 [ 783.601508][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.601508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.601508][ T72] netlink_rcv_skb+0x130/0x360 [ 783.601508][ T72] netlink_unicast+0x449/0x710 [ 783.601508][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.601508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.601508][ T72] ___sys_sendmsg+0xee/0x170 [ 783.601508][ T72] __sys_sendmsg+0xcd/0x170 [ 783.601508][ T72] do_syscall_64+0xc6/0x1e0 [ 783.601508][ T72] [ 783.603457][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 783.603457][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 783.603457][ T72] ipv6_find_idev+0x102/0x170 [ 783.603457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 783.603457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.603457][ T72] netlink_rcv_skb+0x130/0x360 [ 783.603457][ T72] netlink_unicast+0x449/0x710 [ 783.603457][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.603457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.603457][ T72] ___sys_sendmsg+0xee/0x170 [ 783.603457][ T72] __sys_sendmsg+0xcd/0x170 [ 783.603457][ T72] do_syscall_64+0xc6/0x1e0 [ 783.603457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.603457][ T72] [ 783.604997][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 783.604997][ T72] neigh_parms_alloc+0x1e5/0x510 [ 783.604997][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 783.604997][ T72] ipv6_find_idev+0x102/0x170 [ 783.604997][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 783.604997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.604997][ T72] netlink_rcv_skb+0x130/0x360 [ 783.604997][ T72] netlink_unicast+0x449/0x710 [ 783.604997][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.604997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.604997][ T72] ___sys_sendmsg+0xee/0x170 [ 783.604997][ T72] __sys_sendmsg+0xcd/0x170 [ 783.604997][ T72] do_syscall_64+0xc6/0x1e0 [ 783.604997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.604997][ T72] [ 783.606680][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 783.606962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 783.606962][ T72] dst_init+0x84/0x4a0 [ 783.606962][ T72] dst_alloc+0x97/0x150 [ 783.606962][ T72] ip6_dst_alloc+0x23/0x90 [ 783.606962][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 783.606962][ T72] ip6_pol_route+0x56f/0x840 [ 783.606962][ T72] fib6_rule_lookup+0x456/0x630 [ 783.606962][ T72] ip6_route_input+0x59c/0xa50 [ 783.606962][ T72] ipv6_rcv+0x397/0x810 [ 783.606962][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 783.606962][ T72] process_backlog+0x101/0x620 [ 783.606962][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 783.606962][ T72] net_rx_action+0x495/0xbe0 [ 783.606962][ T72] __do_softirq+0x1b5/0x7f6 [ 783.606962][ T72] [ 783.608596][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 783.608596][ T72] netdev_get_by_index+0x5e/0x80 [ 783.608596][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.608596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.608596][ T72] addrconf_f6i_alloc+0x265/0x560 [ 783.608596][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 783.608596][ T72] addrconf_join_anycast+0x1c0/0x220 [ 783.608596][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 783.608596][ T72] addrconf_dad_completed+0x12b/0xe20 [ 783.608596][ T72] addrconf_dad_begin+0x310/0x670 [ 783.608596][ T72] addrconf_dad_work+0x10b/0xab0 [ 783.608596][ T72] process_one_work+0x84d/0x18a0 [ 783.608596][ T72] worker_thread+0x587/0xd30 [ 783.608596][ T72] kthread+0x28a/0x350 [ 783.608596][ T72] ret_from_fork+0x31/0x70 [ 783.608596][ T72] ret_from_fork_asm+0x1a/0x30 [ 783.608596][ T72] [ 783.610487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 783.610487][ T72] netdev_get_by_index+0x5e/0x80 [ 783.610487][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.610487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.610487][ T72] ip6_route_add+0x1c/0x140 [ 783.610487][ T72] addrconf_prefix_route+0x2a6/0x430 [ 783.610487][ T72] inet6_addr_add+0x4f8/0xa40 [ 783.610487][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.610487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.610487][ T72] netlink_rcv_skb+0x130/0x360 [ 783.610487][ T72] netlink_unicast+0x449/0x710 [ 783.610487][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.610487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.610487][ T72] ___sys_sendmsg+0xee/0x170 [ 783.610487][ T72] __sys_sendmsg+0xcd/0x170 [ 783.610487][ T72] do_syscall_64+0xc6/0x1e0 [ 783.610487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.610487][ T72] [ 783.612468][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 783.612468][ T72] netdev_get_by_index+0x5e/0x80 [ 783.612468][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.612468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.612468][ T72] addrconf_f6i_alloc+0x315/0x560 [ 783.612468][ T72] ipv6_add_addr+0x411/0x2000 [ 783.612468][ T72] inet6_addr_add+0x30e/0xa40 [ 783.612468][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.612468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.612468][ T72] netlink_rcv_skb+0x130/0x360 [ 783.612468][ T72] netlink_unicast+0x449/0x710 [ 783.612468][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.612468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.612468][ T72] ___sys_sendmsg+0xee/0x170 [ 783.612468][ T72] __sys_sendmsg+0xcd/0x170 [ 783.612468][ T72] do_syscall_64+0xc6/0x1e0 [ 783.612468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.612468][ T72] [ 783.614461][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 783.614461][ T72] netdev_get_by_index+0x5e/0x80 [ 783.614461][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.614461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.614461][ T72] ip6_route_add+0x1c/0x140 [ 783.614461][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 783.614461][ T72] addrconf_add_dev+0xe2/0x170 [ 783.614461][ T72] inet6_addr_add+0x12f/0xa40 [ 783.614461][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.614461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.614461][ T72] netlink_rcv_skb+0x130/0x360 [ 783.614461][ T72] netlink_unicast+0x449/0x710 [ 783.614461][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.614461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.614461][ T72] ___sys_sendmsg+0xee/0x170 [ 783.614461][ T72] __sys_sendmsg+0xcd/0x170 [ 783.614461][ T72] do_syscall_64+0xc6/0x1e0 [ 783.614461][ T72] [ 783.616442][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 783.616442][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 783.616442][ T72] ipv6_find_idev+0x102/0x170 [ 783.616442][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 783.616442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.616442][ T72] netlink_rcv_skb+0x130/0x360 [ 783.616442][ T72] netlink_unicast+0x449/0x710 [ 783.616442][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.616442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.616442][ T72] ___sys_sendmsg+0xee/0x170 [ 783.616442][ T72] __sys_sendmsg+0xcd/0x170 [ 783.616442][ T72] do_syscall_64+0xc6/0x1e0 [ 783.616442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.616442][ T72] [ 783.617968][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 783.617968][ T72] neigh_parms_alloc+0x1e5/0x510 [ 783.617968][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 783.617968][ T72] ipv6_find_idev+0x102/0x170 [ 783.617968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 783.617968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.617968][ T72] netlink_rcv_skb+0x130/0x360 [ 783.617968][ T72] netlink_unicast+0x449/0x710 [ 783.617968][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.617968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.617968][ T72] ___sys_sendmsg+0xee/0x170 [ 783.617968][ T72] __sys_sendmsg+0xcd/0x170 [ 783.617968][ T72] do_syscall_64+0xc6/0x1e0 [ 783.617968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.617968][ T72] [ 783.619762][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 783.620465][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 783.620465][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 783.620465][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 783.620465][ T72] fib6_nh_init+0xa22/0x1580 [ 783.620465][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.620465][ T72] ip6_route_add+0x1c/0x140 [ 783.620465][ T72] inet6_rtm_newroute+0x104/0x110 [ 783.620465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.620465][ T72] netlink_rcv_skb+0x130/0x360 [ 783.620465][ T72] netlink_unicast+0x449/0x710 [ 783.620465][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.620465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.620465][ T72] ___sys_sendmsg+0xee/0x170 [ 783.620465][ T72] __sys_sendmsg+0xcd/0x170 [ 783.620465][ T72] do_syscall_64+0xc6/0x1e0 [ 783.620465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.620465][ T72] [ 783.622325][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 783.622325][ T72] dst_init+0x84/0x4a0 [ 783.622325][ T72] dst_alloc+0x97/0x150 [ 783.622325][ T72] ip6_dst_alloc+0x23/0x90 [ 783.622325][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 783.622325][ T72] ip6_pol_route+0x56f/0x840 [ 783.622325][ T72] fib6_rule_lookup+0x456/0x630 [ 783.622325][ T72] ip6_route_input+0x59c/0xa50 [ 783.622325][ T72] ipv6_rcv+0x397/0x810 [ 783.622325][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 783.622325][ T72] process_backlog+0x101/0x620 [ 783.622325][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 783.622325][ T72] net_rx_action+0x495/0xbe0 [ 783.622325][ T72] __do_softirq+0x1b5/0x7f6 [ 783.622325][ T72] [ 783.624013][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 783.624013][ T72] netdev_get_by_index+0x5e/0x80 [ 783.624013][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.624013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.624013][ T72] ip6_route_add+0x1c/0x140 [ 783.624013][ T72] addrconf_prefix_route+0x2a6/0x430 [ 783.624013][ T72] inet6_addr_add+0x4f8/0xa40 [ 783.624013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.624013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.624013][ T72] netlink_rcv_skb+0x130/0x360 [ 783.624013][ T72] netlink_unicast+0x449/0x710 [ 783.624013][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.624013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.624013][ T72] ___sys_sendmsg+0xee/0x170 [ 783.624013][ T72] __sys_sendmsg+0xcd/0x170 [ 783.624013][ T72] do_syscall_64+0xc6/0x1e0 [ 783.624013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.624013][ T72] [ 783.626699][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 783.626699][ T72] netdev_get_by_index+0x5e/0x80 [ 783.626699][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.626699][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.626699][ T72] addrconf_f6i_alloc+0x315/0x560 [ 783.626699][ T72] ipv6_add_addr+0x411/0x2000 [ 783.626699][ T72] inet6_addr_add+0x30e/0xa40 [ 783.626699][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.626699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.626699][ T72] netlink_rcv_skb+0x130/0x360 [ 783.626699][ T72] netlink_unicast+0x449/0x710 [ 783.626699][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.626699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.626699][ T72] ___sys_sendmsg+0xee/0x170 [ 783.626699][ T72] __sys_sendmsg+0xcd/0x170 [ 783.626699][ T72] do_syscall_64+0xc6/0x1e0 [ 783.626699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.626699][ T72] [ 783.628859][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 783.628859][ T72] netdev_get_by_index+0x5e/0x80 [ 783.628859][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.628859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.628859][ T72] ip6_route_add+0x1c/0x140 [ 783.628859][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 783.628859][ T72] addrconf_add_dev+0xe2/0x170 [ 783.628859][ T72] inet6_addr_add+0x12f/0xa40 [ 783.628859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.628859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.628859][ T72] netlink_rcv_skb+0x130/0x360 [ 783.628859][ T72] netlink_unicast+0x449/0x710 [ 783.628859][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.628859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.628859][ T72] ___sys_sendmsg+0xee/0x170 [ 783.628859][ T72] __sys_sendmsg+0xcd/0x170 [ 783.628859][ T72] do_syscall_64+0xc6/0x1e0 [ 783.628859][ T72] [ 783.631051][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 783.631051][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 783.631051][ T72] ipv6_find_idev+0x102/0x170 [ 783.631051][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 783.631051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.631051][ T72] netlink_rcv_skb+0x130/0x360 [ 783.631051][ T72] netlink_unicast+0x449/0x710 [ 783.631051][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.631051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.631051][ T72] ___sys_sendmsg+0xee/0x170 [ 783.631051][ T72] __sys_sendmsg+0xcd/0x170 [ 783.631051][ T72] do_syscall_64+0xc6/0x1e0 [ 783.631051][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.631051][ T72] [ 783.632756][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 783.632756][ T72] neigh_parms_alloc+0x1e5/0x510 [ 783.632756][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 783.632756][ T72] ipv6_find_idev+0x102/0x170 [ 783.632756][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 783.632756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.632756][ T72] netlink_rcv_skb+0x130/0x360 [ 783.632756][ T72] netlink_unicast+0x449/0x710 [ 783.632756][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.632756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.632756][ T72] ___sys_sendmsg+0xee/0x170 [ 783.632756][ T72] __sys_sendmsg+0xcd/0x170 [ 783.632756][ T72] do_syscall_64+0xc6/0x1e0 [ 783.632756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.632756][ T72] [ 783.634837][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 783.635115][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 783.635115][ T72] netdev_get_by_index+0x5e/0x80 [ 783.635115][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.635115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.635115][ T72] addrconf_f6i_alloc+0x265/0x560 [ 783.635115][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 783.635115][ T72] addrconf_join_anycast+0x1c0/0x220 [ 783.635115][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 783.635115][ T72] addrconf_dad_completed+0x12b/0xe20 [ 783.635115][ T72] addrconf_dad_begin+0x310/0x670 [ 783.635115][ T72] addrconf_dad_work+0x10b/0xab0 [ 783.635115][ T72] process_one_work+0x84d/0x18a0 [ 783.635115][ T72] worker_thread+0x587/0xd30 [ 783.635115][ T72] kthread+0x28a/0x350 [ 783.635115][ T72] ret_from_fork+0x31/0x70 [ 783.635115][ T72] ret_from_fork_asm+0x1a/0x30 [ 783.635115][ T72] [ 783.637193][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 783.637193][ T72] netdev_get_by_index+0x5e/0x80 [ 783.637193][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.637193][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.637193][ T72] ip6_route_add+0x1c/0x140 [ 783.637193][ T72] addrconf_prefix_route+0x2a6/0x430 [ 783.637193][ T72] inet6_addr_add+0x4f8/0xa40 [ 783.637193][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.637193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.637193][ T72] netlink_rcv_skb+0x130/0x360 [ 783.637193][ T72] netlink_unicast+0x449/0x710 [ 783.637193][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.637193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.637193][ T72] ___sys_sendmsg+0xee/0x170 [ 783.637193][ T72] __sys_sendmsg+0xcd/0x170 [ 783.637193][ T72] do_syscall_64+0xc6/0x1e0 [ 783.637193][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.637193][ T72] [ 783.639423][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 783.639423][ T72] netdev_get_by_index+0x5e/0x80 [ 783.639423][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.639423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.639423][ T72] addrconf_f6i_alloc+0x315/0x560 [ 783.639423][ T72] ipv6_add_addr+0x411/0x2000 [ 783.639423][ T72] inet6_addr_add+0x30e/0xa40 [ 783.639423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.639423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.639423][ T72] netlink_rcv_skb+0x130/0x360 [ 783.639423][ T72] netlink_unicast+0x449/0x710 [ 783.639423][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.639423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.639423][ T72] ___sys_sendmsg+0xee/0x170 [ 783.639423][ T72] __sys_sendmsg+0xcd/0x170 [ 783.639423][ T72] do_syscall_64+0xc6/0x1e0 [ 783.639423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.639423][ T72] [ 783.641641][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 783.641641][ T72] netdev_get_by_index+0x5e/0x80 [ 783.641641][ T72] fib6_nh_init+0x3d8/0x1580 [ 783.641641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 783.641641][ T72] ip6_route_add+0x1c/0x140 [ 783.641641][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 783.641641][ T72] addrconf_add_dev+0xe2/0x170 [ 783.641641][ T72] inet6_addr_add+0x12f/0xa40 [ 783.641641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 783.641641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.641641][ T72] netlink_rcv_skb+0x130/0x360 [ 783.641641][ T72] netlink_unicast+0x449/0x710 [ 783.641641][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.641641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.641641][ T72] ___sys_sendmsg+0xee/0x170 [ 783.641641][ T72] __sys_sendmsg+0xcd/0x170 [ 783.641641][ T72] do_syscall_64+0xc6/0x1e0 [ 783.641641][ T72] [ 783.643770][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 783.643770][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 783.643770][ T72] ipv6_find_idev+0x102/0x170 [ 783.643770][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 783.643770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.643770][ T72] netlink_rcv_skb+0x130/0x360 [ 783.643770][ T72] netlink_unicast+0x449/0x710 [ 783.643770][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.643770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.643770][ T72] ___sys_sendmsg+0xee/0x170 [ 783.643770][ T72] __sys_sendmsg+0xcd/0x170 [ 783.643770][ T72] do_syscall_64+0xc6/0x1e0 [ 783.643770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.643770][ T72] [ 783.645546][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 783.645546][ T72] neigh_parms_alloc+0x1e5/0x510 [ 783.645546][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 783.645546][ T72] ipv6_find_idev+0x102/0x170 [ 783.645546][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 783.645546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 783.645546][ T72] netlink_rcv_skb+0x130/0x360 [ 783.645546][ T72] netlink_unicast+0x449/0x710 [ 783.645546][ T72] netlink_sendmsg+0x723/0xbe0 [ 783.645546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 783.645546][ T72] ___sys_sendmsg+0xee/0x170 [ 783.645546][ T72] __sys_sendmsg+0xcd/0x170 [ 783.645546][ T72] do_syscall_64+0xc6/0x1e0 [ 783.645546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 783.645546][ T72] [ 793.888975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 793.889503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 793.889503][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 793.889503][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 793.889503][ T72] fib6_nh_init+0xa22/0x1580 [ 793.889503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.889503][ T72] ip6_route_add+0x1c/0x140 [ 793.889503][ T72] inet6_rtm_newroute+0x104/0x110 [ 793.889503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.889503][ T72] netlink_rcv_skb+0x130/0x360 [ 793.889503][ T72] netlink_unicast+0x449/0x710 [ 793.889503][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.889503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.889503][ T72] ___sys_sendmsg+0xee/0x170 [ 793.889503][ T72] __sys_sendmsg+0xcd/0x170 [ 793.889503][ T72] do_syscall_64+0xc6/0x1e0 [ 793.889503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.889503][ T72] [ 793.891397][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 793.891397][ T72] dst_init+0x84/0x4a0 [ 793.891397][ T72] dst_alloc+0x97/0x150 [ 793.891397][ T72] ip6_dst_alloc+0x23/0x90 [ 793.891397][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 793.891397][ T72] ip6_pol_route+0x56f/0x840 [ 793.891397][ T72] fib6_rule_lookup+0x456/0x630 [ 793.891397][ T72] ip6_route_input+0x59c/0xa50 [ 793.891397][ T72] ipv6_rcv+0x397/0x810 [ 793.891397][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 793.891397][ T72] process_backlog+0x101/0x620 [ 793.891397][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 793.891397][ T72] net_rx_action+0x495/0xbe0 [ 793.891397][ T72] __do_softirq+0x1b5/0x7f6 [ 793.891397][ T72] [ 793.893093][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 793.893093][ T72] netdev_get_by_index+0x5e/0x80 [ 793.893093][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.893093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.893093][ T72] ip6_route_add+0x1c/0x140 [ 793.893093][ T72] addrconf_prefix_route+0x2a6/0x430 [ 793.893093][ T72] inet6_addr_add+0x4f8/0xa40 [ 793.893093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.893093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.893093][ T72] netlink_rcv_skb+0x130/0x360 [ 793.893093][ T72] netlink_unicast+0x449/0x710 [ 793.893093][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.893093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.893093][ T72] ___sys_sendmsg+0xee/0x170 [ 793.893093][ T72] __sys_sendmsg+0xcd/0x170 [ 793.893093][ T72] do_syscall_64+0xc6/0x1e0 [ 793.893093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.893093][ T72] [ 793.895112][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 793.895112][ T72] netdev_get_by_index+0x5e/0x80 [ 793.895112][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.895112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.895112][ T72] addrconf_f6i_alloc+0x315/0x560 [ 793.895112][ T72] ipv6_add_addr+0x411/0x2000 [ 793.895112][ T72] inet6_addr_add+0x30e/0xa40 [ 793.895112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.895112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.895112][ T72] netlink_rcv_skb+0x130/0x360 [ 793.895112][ T72] netlink_unicast+0x449/0x710 [ 793.895112][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.895112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.895112][ T72] ___sys_sendmsg+0xee/0x170 [ 793.895112][ T72] __sys_sendmsg+0xcd/0x170 [ 793.895112][ T72] do_syscall_64+0xc6/0x1e0 [ 793.895112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.895112][ T72] [ 793.897093][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 793.897093][ T72] netdev_get_by_index+0x5e/0x80 [ 793.897093][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.897093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.897093][ T72] ip6_route_add+0x1c/0x140 [ 793.897093][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 793.897093][ T72] addrconf_add_dev+0xe2/0x170 [ 793.897093][ T72] inet6_addr_add+0x12f/0xa40 [ 793.897093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.897093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.897093][ T72] netlink_rcv_skb+0x130/0x360 [ 793.897093][ T72] netlink_unicast+0x449/0x710 [ 793.897093][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.897093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.897093][ T72] ___sys_sendmsg+0xee/0x170 [ 793.897093][ T72] __sys_sendmsg+0xcd/0x170 [ 793.897093][ T72] do_syscall_64+0xc6/0x1e0 [ 793.897093][ T72] [ 793.899044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 793.899044][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 793.899044][ T72] ipv6_find_idev+0x102/0x170 [ 793.899044][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 793.899044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.899044][ T72] netlink_rcv_skb+0x130/0x360 [ 793.899044][ T72] netlink_unicast+0x449/0x710 [ 793.899044][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.899044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.899044][ T72] ___sys_sendmsg+0xee/0x170 [ 793.899044][ T72] __sys_sendmsg+0xcd/0x170 [ 793.899044][ T72] do_syscall_64+0xc6/0x1e0 [ 793.899044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.899044][ T72] [ 793.900571][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 793.900571][ T72] neigh_parms_alloc+0x1e5/0x510 [ 793.900571][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 793.900571][ T72] ipv6_find_idev+0x102/0x170 [ 793.900571][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 793.900571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.900571][ T72] netlink_rcv_skb+0x130/0x360 [ 793.900571][ T72] netlink_unicast+0x449/0x710 [ 793.900571][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.900571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.900571][ T72] ___sys_sendmsg+0xee/0x170 [ 793.900571][ T72] __sys_sendmsg+0xcd/0x170 [ 793.900571][ T72] do_syscall_64+0xc6/0x1e0 [ 793.900571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.900571][ T72] [ 793.902280][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 793.902552][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 793.902552][ T72] dst_init+0x84/0x4a0 [ 793.902552][ T72] dst_alloc+0x97/0x150 [ 793.902552][ T72] ip6_dst_alloc+0x23/0x90 [ 793.902552][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 793.902552][ T72] ip6_pol_route+0x56f/0x840 [ 793.902552][ T72] fib6_rule_lookup+0x456/0x630 [ 793.902552][ T72] ip6_route_input+0x59c/0xa50 [ 793.902552][ T72] ipv6_rcv+0x397/0x810 [ 793.902552][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 793.902552][ T72] process_backlog+0x101/0x620 [ 793.902552][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 793.902552][ T72] net_rx_action+0x495/0xbe0 [ 793.902552][ T72] __do_softirq+0x1b5/0x7f6 [ 793.902552][ T72] [ 793.904194][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 793.904194][ T72] netdev_get_by_index+0x5e/0x80 [ 793.904194][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.904194][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.904194][ T72] addrconf_f6i_alloc+0x265/0x560 [ 793.904194][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 793.904194][ T72] addrconf_join_anycast+0x1c0/0x220 [ 793.904194][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 793.904194][ T72] addrconf_dad_completed+0x12b/0xe20 [ 793.904194][ T72] addrconf_dad_begin+0x310/0x670 [ 793.904194][ T72] addrconf_dad_work+0x10b/0xab0 [ 793.904194][ T72] process_one_work+0x84d/0x18a0 [ 793.904194][ T72] worker_thread+0x587/0xd30 [ 793.904194][ T72] kthread+0x28a/0x350 [ 793.904194][ T72] ret_from_fork+0x31/0x70 [ 793.904194][ T72] ret_from_fork_asm+0x1a/0x30 [ 793.904194][ T72] [ 793.906085][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 793.906085][ T72] netdev_get_by_index+0x5e/0x80 [ 793.906085][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.906085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.906085][ T72] ip6_route_add+0x1c/0x140 [ 793.906085][ T72] addrconf_prefix_route+0x2a6/0x430 [ 793.906085][ T72] inet6_addr_add+0x4f8/0xa40 [ 793.906085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.906085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.906085][ T72] netlink_rcv_skb+0x130/0x360 [ 793.906085][ T72] netlink_unicast+0x449/0x710 [ 793.906085][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.906085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.906085][ T72] ___sys_sendmsg+0xee/0x170 [ 793.906085][ T72] __sys_sendmsg+0xcd/0x170 [ 793.906085][ T72] do_syscall_64+0xc6/0x1e0 [ 793.906085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.906085][ T72] [ 793.908070][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 793.908070][ T72] netdev_get_by_index+0x5e/0x80 [ 793.908070][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.908070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.908070][ T72] addrconf_f6i_alloc+0x315/0x560 [ 793.908070][ T72] ipv6_add_addr+0x411/0x2000 [ 793.908070][ T72] inet6_addr_add+0x30e/0xa40 [ 793.908070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.908070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.908070][ T72] netlink_rcv_skb+0x130/0x360 [ 793.908070][ T72] netlink_unicast+0x449/0x710 [ 793.908070][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.908070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.908070][ T72] ___sys_sendmsg+0xee/0x170 [ 793.908070][ T72] __sys_sendmsg+0xcd/0x170 [ 793.908070][ T72] do_syscall_64+0xc6/0x1e0 [ 793.908070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.908070][ T72] [ 793.910051][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 793.910051][ T72] netdev_get_by_index+0x5e/0x80 [ 793.910051][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.910051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.910051][ T72] ip6_route_add+0x1c/0x140 [ 793.910051][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 793.910051][ T72] addrconf_add_dev+0xe2/0x170 [ 793.910051][ T72] inet6_addr_add+0x12f/0xa40 [ 793.910051][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.910051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.910051][ T72] netlink_rcv_skb+0x130/0x360 [ 793.910051][ T72] netlink_unicast+0x449/0x710 [ 793.910051][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.910051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.910051][ T72] ___sys_sendmsg+0xee/0x170 [ 793.910051][ T72] __sys_sendmsg+0xcd/0x170 [ 793.910051][ T72] do_syscall_64+0xc6/0x1e0 [ 793.910051][ T72] [ 793.911995][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 793.911995][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 793.911995][ T72] ipv6_find_idev+0x102/0x170 [ 793.911995][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 793.911995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.911995][ T72] netlink_rcv_skb+0x130/0x360 [ 793.911995][ T72] netlink_unicast+0x449/0x710 [ 793.911995][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.911995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.911995][ T72] ___sys_sendmsg+0xee/0x170 [ 793.911995][ T72] __sys_sendmsg+0xcd/0x170 [ 793.911995][ T72] do_syscall_64+0xc6/0x1e0 [ 793.911995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.911995][ T72] [ 793.913525][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 793.913525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 793.913525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 793.913525][ T72] ipv6_find_idev+0x102/0x170 [ 793.913525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 793.913525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.913525][ T72] netlink_rcv_skb+0x130/0x360 [ 793.913525][ T72] netlink_unicast+0x449/0x710 [ 793.913525][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.913525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.913525][ T72] ___sys_sendmsg+0xee/0x170 [ 793.913525][ T72] __sys_sendmsg+0xcd/0x170 [ 793.913525][ T72] do_syscall_64+0xc6/0x1e0 [ 793.913525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.913525][ T72] [ 793.915332][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 793.915598][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 793.915598][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 793.915598][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 793.915598][ T72] fib6_nh_init+0xa22/0x1580 [ 793.915598][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.915598][ T72] ip6_route_add+0x1c/0x140 [ 793.915598][ T72] inet6_rtm_newroute+0x104/0x110 [ 793.915598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.915598][ T72] netlink_rcv_skb+0x130/0x360 [ 793.915598][ T72] netlink_unicast+0x449/0x710 [ 793.915598][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.915598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.915598][ T72] ___sys_sendmsg+0xee/0x170 [ 793.915598][ T72] __sys_sendmsg+0xcd/0x170 [ 793.915598][ T72] do_syscall_64+0xc6/0x1e0 [ 793.915598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.915598][ T72] [ 793.917810][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 793.917810][ T72] dst_init+0x84/0x4a0 [ 793.917810][ T72] dst_alloc+0x97/0x150 [ 793.917810][ T72] ip6_dst_alloc+0x23/0x90 [ 793.917810][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 793.917810][ T72] ip6_pol_route+0x56f/0x840 [ 793.917810][ T72] fib6_rule_lookup+0x456/0x630 [ 793.917810][ T72] ip6_route_input+0x59c/0xa50 [ 793.917810][ T72] ipv6_rcv+0x397/0x810 [ 793.917810][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 793.917810][ T72] process_backlog+0x101/0x620 [ 793.917810][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 793.917810][ T72] net_rx_action+0x495/0xbe0 [ 793.917810][ T72] __do_softirq+0x1b5/0x7f6 [ 793.917810][ T72] [ 793.919660][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 793.919660][ T72] netdev_get_by_index+0x5e/0x80 [ 793.919660][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.919660][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.919660][ T72] ip6_route_add+0x1c/0x140 [ 793.919660][ T72] addrconf_prefix_route+0x2a6/0x430 [ 793.919660][ T72] inet6_addr_add+0x4f8/0xa40 [ 793.919660][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.919660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.919660][ T72] netlink_rcv_skb+0x130/0x360 [ 793.919660][ T72] netlink_unicast+0x449/0x710 [ 793.919660][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.919660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.919660][ T72] ___sys_sendmsg+0xee/0x170 [ 793.919660][ T72] __sys_sendmsg+0xcd/0x170 [ 793.919660][ T72] do_syscall_64+0xc6/0x1e0 [ 793.919660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.919660][ T72] [ 793.921881][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 793.921881][ T72] netdev_get_by_index+0x5e/0x80 [ 793.921881][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.921881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.921881][ T72] addrconf_f6i_alloc+0x315/0x560 [ 793.921881][ T72] ipv6_add_addr+0x411/0x2000 [ 793.921881][ T72] inet6_addr_add+0x30e/0xa40 [ 793.921881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.921881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.921881][ T72] netlink_rcv_skb+0x130/0x360 [ 793.921881][ T72] netlink_unicast+0x449/0x710 [ 793.921881][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.921881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.921881][ T72] ___sys_sendmsg+0xee/0x170 [ 793.921881][ T72] __sys_sendmsg+0xcd/0x170 [ 793.921881][ T72] do_syscall_64+0xc6/0x1e0 [ 793.921881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.921881][ T72] [ 793.923992][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 793.923992][ T72] netdev_get_by_index+0x5e/0x80 [ 793.923992][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.923992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.923992][ T72] ip6_route_add+0x1c/0x140 [ 793.923992][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 793.923992][ T72] addrconf_add_dev+0xe2/0x170 [ 793.923992][ T72] inet6_addr_add+0x12f/0xa40 [ 793.923992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.923992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.923992][ T72] netlink_rcv_skb+0x130/0x360 [ 793.923992][ T72] netlink_unicast+0x449/0x710 [ 793.923992][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.923992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.923992][ T72] ___sys_sendmsg+0xee/0x170 [ 793.923992][ T72] __sys_sendmsg+0xcd/0x170 [ 793.923992][ T72] do_syscall_64+0xc6/0x1e0 [ 793.923992][ T72] [ 793.926247][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 793.926247][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 793.926247][ T72] ipv6_find_idev+0x102/0x170 [ 793.926247][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 793.926247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.926247][ T72] netlink_rcv_skb+0x130/0x360 [ 793.926247][ T72] netlink_unicast+0x449/0x710 [ 793.926247][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.926247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.926247][ T72] ___sys_sendmsg+0xee/0x170 [ 793.926247][ T72] __sys_sendmsg+0xcd/0x170 [ 793.926247][ T72] do_syscall_64+0xc6/0x1e0 [ 793.926247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.926247][ T72] [ 793.927958][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 793.927958][ T72] neigh_parms_alloc+0x1e5/0x510 [ 793.927958][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 793.927958][ T72] ipv6_find_idev+0x102/0x170 [ 793.927958][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 793.927958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.927958][ T72] netlink_rcv_skb+0x130/0x360 [ 793.927958][ T72] netlink_unicast+0x449/0x710 [ 793.927958][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.927958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.927958][ T72] ___sys_sendmsg+0xee/0x170 [ 793.927958][ T72] __sys_sendmsg+0xcd/0x170 [ 793.927958][ T72] do_syscall_64+0xc6/0x1e0 [ 793.927958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.927958][ T72] [ 793.929836][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 793.930164][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 793.930164][ T72] netdev_get_by_index+0x5e/0x80 [ 793.930164][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.930164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.930164][ T72] addrconf_f6i_alloc+0x265/0x560 [ 793.930164][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 793.930164][ T72] addrconf_join_anycast+0x1c0/0x220 [ 793.930164][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 793.930164][ T72] addrconf_dad_completed+0x12b/0xe20 [ 793.930164][ T72] addrconf_dad_begin+0x310/0x670 [ 793.930164][ T72] addrconf_dad_work+0x10b/0xab0 [ 793.930164][ T72] process_one_work+0x84d/0x18a0 [ 793.930164][ T72] worker_thread+0x587/0xd30 [ 793.930164][ T72] kthread+0x28a/0x350 [ 793.930164][ T72] ret_from_fork+0x31/0x70 [ 793.930164][ T72] ret_from_fork_asm+0x1a/0x30 [ 793.930164][ T72] [ 793.932247][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 793.932247][ T72] netdev_get_by_index+0x5e/0x80 [ 793.932247][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.932247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.932247][ T72] ip6_route_add+0x1c/0x140 [ 793.932247][ T72] addrconf_prefix_route+0x2a6/0x430 [ 793.932247][ T72] inet6_addr_add+0x4f8/0xa40 [ 793.932247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.932247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.932247][ T72] netlink_rcv_skb+0x130/0x360 [ 793.932247][ T72] netlink_unicast+0x449/0x710 [ 793.932247][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.932247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.932247][ T72] ___sys_sendmsg+0xee/0x170 [ 793.932247][ T72] __sys_sendmsg+0xcd/0x170 [ 793.932247][ T72] do_syscall_64+0xc6/0x1e0 [ 793.932247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.932247][ T72] [ 793.934478][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 793.934478][ T72] netdev_get_by_index+0x5e/0x80 [ 793.934478][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.934478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.934478][ T72] addrconf_f6i_alloc+0x315/0x560 [ 793.934478][ T72] ipv6_add_addr+0x411/0x2000 [ 793.934478][ T72] inet6_addr_add+0x30e/0xa40 [ 793.934478][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.934478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.934478][ T72] netlink_rcv_skb+0x130/0x360 [ 793.934478][ T72] netlink_unicast+0x449/0x710 [ 793.934478][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.934478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.934478][ T72] ___sys_sendmsg+0xee/0x170 [ 793.934478][ T72] __sys_sendmsg+0xcd/0x170 [ 793.934478][ T72] do_syscall_64+0xc6/0x1e0 [ 793.934478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.934478][ T72] [ 793.936767][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 793.936767][ T72] netdev_get_by_index+0x5e/0x80 [ 793.936767][ T72] fib6_nh_init+0x3d8/0x1580 [ 793.936767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 793.936767][ T72] ip6_route_add+0x1c/0x140 [ 793.936767][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 793.936767][ T72] addrconf_add_dev+0xe2/0x170 [ 793.936767][ T72] inet6_addr_add+0x12f/0xa40 [ 793.936767][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 793.936767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.936767][ T72] netlink_rcv_skb+0x130/0x360 [ 793.936767][ T72] netlink_unicast+0x449/0x710 [ 793.936767][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.936767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.936767][ T72] ___sys_sendmsg+0xee/0x170 [ 793.936767][ T72] __sys_sendmsg+0xcd/0x170 [ 793.936767][ T72] do_syscall_64+0xc6/0x1e0 [ 793.936767][ T72] [ 793.938984][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 793.938984][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 793.938984][ T72] ipv6_find_idev+0x102/0x170 [ 793.938984][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 793.938984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.938984][ T72] netlink_rcv_skb+0x130/0x360 [ 793.938984][ T72] netlink_unicast+0x449/0x710 [ 793.938984][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.938984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.938984][ T72] ___sys_sendmsg+0xee/0x170 [ 793.938984][ T72] __sys_sendmsg+0xcd/0x170 [ 793.938984][ T72] do_syscall_64+0xc6/0x1e0 [ 793.938984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.938984][ T72] [ 793.940696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 793.940696][ T72] neigh_parms_alloc+0x1e5/0x510 [ 793.940696][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 793.940696][ T72] ipv6_find_idev+0x102/0x170 [ 793.940696][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 793.940696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 793.940696][ T72] netlink_rcv_skb+0x130/0x360 [ 793.940696][ T72] netlink_unicast+0x449/0x710 [ 793.940696][ T72] netlink_sendmsg+0x723/0xbe0 [ 793.940696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 793.940696][ T72] ___sys_sendmsg+0xee/0x170 [ 793.940696][ T72] __sys_sendmsg+0xcd/0x170 [ 793.940696][ T72] do_syscall_64+0xc6/0x1e0 [ 793.940696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 793.940696][ T72] [ 804.184926][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 804.185516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 804.185516][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 804.185516][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 804.185516][ T72] fib6_nh_init+0xa22/0x1580 [ 804.185516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.185516][ T72] ip6_route_add+0x1c/0x140 [ 804.185516][ T72] inet6_rtm_newroute+0x104/0x110 [ 804.185516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.185516][ T72] netlink_rcv_skb+0x130/0x360 [ 804.185516][ T72] netlink_unicast+0x449/0x710 [ 804.185516][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.185516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.185516][ T72] ___sys_sendmsg+0xee/0x170 [ 804.185516][ T72] __sys_sendmsg+0xcd/0x170 [ 804.185516][ T72] do_syscall_64+0xc6/0x1e0 [ 804.185516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.185516][ T72] [ 804.187427][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 804.187427][ T72] dst_init+0x84/0x4a0 [ 804.187427][ T72] dst_alloc+0x97/0x150 [ 804.187427][ T72] ip6_dst_alloc+0x23/0x90 [ 804.187427][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 804.187427][ T72] ip6_pol_route+0x56f/0x840 [ 804.187427][ T72] fib6_rule_lookup+0x456/0x630 [ 804.187427][ T72] ip6_route_input+0x59c/0xa50 [ 804.187427][ T72] ipv6_rcv+0x397/0x810 [ 804.187427][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 804.187427][ T72] process_backlog+0x101/0x620 [ 804.187427][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 804.187427][ T72] net_rx_action+0x495/0xbe0 [ 804.187427][ T72] __do_softirq+0x1b5/0x7f6 [ 804.187427][ T72] [ 804.189108][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 804.189108][ T72] netdev_get_by_index+0x5e/0x80 [ 804.189108][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.189108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.189108][ T72] ip6_route_add+0x1c/0x140 [ 804.189108][ T72] addrconf_prefix_route+0x2a6/0x430 [ 804.189108][ T72] inet6_addr_add+0x4f8/0xa40 [ 804.189108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.189108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.189108][ T72] netlink_rcv_skb+0x130/0x360 [ 804.189108][ T72] netlink_unicast+0x449/0x710 [ 804.189108][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.189108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.189108][ T72] ___sys_sendmsg+0xee/0x170 [ 804.189108][ T72] __sys_sendmsg+0xcd/0x170 [ 804.189108][ T72] do_syscall_64+0xc6/0x1e0 [ 804.189108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.189108][ T72] [ 804.191129][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 804.191129][ T72] netdev_get_by_index+0x5e/0x80 [ 804.191129][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.191129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.191129][ T72] addrconf_f6i_alloc+0x315/0x560 [ 804.191129][ T72] ipv6_add_addr+0x411/0x2000 [ 804.191129][ T72] inet6_addr_add+0x30e/0xa40 [ 804.191129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.191129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.191129][ T72] netlink_rcv_skb+0x130/0x360 [ 804.191129][ T72] netlink_unicast+0x449/0x710 [ 804.191129][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.191129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.191129][ T72] ___sys_sendmsg+0xee/0x170 [ 804.191129][ T72] __sys_sendmsg+0xcd/0x170 [ 804.191129][ T72] do_syscall_64+0xc6/0x1e0 [ 804.191129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.191129][ T72] [ 804.193257][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 804.193257][ T72] netdev_get_by_index+0x5e/0x80 [ 804.193257][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.193257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.193257][ T72] ip6_route_add+0x1c/0x140 [ 804.193257][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 804.193257][ T72] addrconf_add_dev+0xe2/0x170 [ 804.193257][ T72] inet6_addr_add+0x12f/0xa40 [ 804.193257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.193257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.193257][ T72] netlink_rcv_skb+0x130/0x360 [ 804.193257][ T72] netlink_unicast+0x449/0x710 [ 804.193257][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.193257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.193257][ T72] ___sys_sendmsg+0xee/0x170 [ 804.193257][ T72] __sys_sendmsg+0xcd/0x170 [ 804.193257][ T72] do_syscall_64+0xc6/0x1e0 [ 804.193257][ T72] [ 804.195258][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 804.195258][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 804.195258][ T72] ipv6_find_idev+0x102/0x170 [ 804.195258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 804.195258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.195258][ T72] netlink_rcv_skb+0x130/0x360 [ 804.195258][ T72] netlink_unicast+0x449/0x710 [ 804.195258][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.195258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.195258][ T72] ___sys_sendmsg+0xee/0x170 [ 804.195258][ T72] __sys_sendmsg+0xcd/0x170 [ 804.195258][ T72] do_syscall_64+0xc6/0x1e0 [ 804.195258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.195258][ T72] [ 804.196811][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 804.196811][ T72] neigh_parms_alloc+0x1e5/0x510 [ 804.196811][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 804.196811][ T72] ipv6_find_idev+0x102/0x170 [ 804.196811][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 804.196811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.196811][ T72] netlink_rcv_skb+0x130/0x360 [ 804.196811][ T72] netlink_unicast+0x449/0x710 [ 804.196811][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.196811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.196811][ T72] ___sys_sendmsg+0xee/0x170 [ 804.196811][ T72] __sys_sendmsg+0xcd/0x170 [ 804.196811][ T72] do_syscall_64+0xc6/0x1e0 [ 804.196811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.196811][ T72] [ 804.198572][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 804.198872][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 804.198872][ T72] dst_init+0x84/0x4a0 [ 804.198872][ T72] dst_alloc+0x97/0x150 [ 804.198872][ T72] ip6_dst_alloc+0x23/0x90 [ 804.198872][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 804.198872][ T72] ip6_pol_route+0x56f/0x840 [ 804.198872][ T72] fib6_rule_lookup+0x456/0x630 [ 804.198872][ T72] ip6_route_input+0x59c/0xa50 [ 804.198872][ T72] ipv6_rcv+0x397/0x810 [ 804.198872][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 804.198872][ T72] process_backlog+0x101/0x620 [ 804.198872][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 804.198872][ T72] net_rx_action+0x495/0xbe0 [ 804.198872][ T72] __do_softirq+0x1b5/0x7f6 [ 804.198872][ T72] [ 804.200528][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 804.200528][ T72] netdev_get_by_index+0x5e/0x80 [ 804.200528][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.200528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.200528][ T72] addrconf_f6i_alloc+0x265/0x560 [ 804.200528][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 804.200528][ T72] addrconf_join_anycast+0x1c0/0x220 [ 804.200528][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 804.200528][ T72] addrconf_dad_completed+0x12b/0xe20 [ 804.200528][ T72] addrconf_dad_begin+0x310/0x670 [ 804.200528][ T72] addrconf_dad_work+0x10b/0xab0 [ 804.200528][ T72] process_one_work+0x84d/0x18a0 [ 804.200528][ T72] worker_thread+0x587/0xd30 [ 804.200528][ T72] kthread+0x28a/0x350 [ 804.200528][ T72] ret_from_fork+0x31/0x70 [ 804.200528][ T72] ret_from_fork_asm+0x1a/0x30 [ 804.200528][ T72] [ 804.202447][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 804.202447][ T72] netdev_get_by_index+0x5e/0x80 [ 804.202447][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.202447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.202447][ T72] ip6_route_add+0x1c/0x140 [ 804.202447][ T72] addrconf_prefix_route+0x2a6/0x430 [ 804.202447][ T72] inet6_addr_add+0x4f8/0xa40 [ 804.202447][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.202447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.202447][ T72] netlink_rcv_skb+0x130/0x360 [ 804.202447][ T72] netlink_unicast+0x449/0x710 [ 804.202447][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.202447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.202447][ T72] ___sys_sendmsg+0xee/0x170 [ 804.202447][ T72] __sys_sendmsg+0xcd/0x170 [ 804.202447][ T72] do_syscall_64+0xc6/0x1e0 [ 804.202447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.202447][ T72] [ 804.204475][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 804.204475][ T72] netdev_get_by_index+0x5e/0x80 [ 804.204475][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.204475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.204475][ T72] addrconf_f6i_alloc+0x315/0x560 [ 804.204475][ T72] ipv6_add_addr+0x411/0x2000 [ 804.204475][ T72] inet6_addr_add+0x30e/0xa40 [ 804.204475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.204475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.204475][ T72] netlink_rcv_skb+0x130/0x360 [ 804.204475][ T72] netlink_unicast+0x449/0x710 [ 804.204475][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.204475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.204475][ T72] ___sys_sendmsg+0xee/0x170 [ 804.204475][ T72] __sys_sendmsg+0xcd/0x170 [ 804.204475][ T72] do_syscall_64+0xc6/0x1e0 [ 804.204475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.204475][ T72] [ 804.206484][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 804.206484][ T72] netdev_get_by_index+0x5e/0x80 [ 804.206484][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.206484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.206484][ T72] ip6_route_add+0x1c/0x140 [ 804.206484][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 804.206484][ T72] addrconf_add_dev+0xe2/0x170 [ 804.206484][ T72] inet6_addr_add+0x12f/0xa40 [ 804.206484][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.206484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.206484][ T72] netlink_rcv_skb+0x130/0x360 [ 804.206484][ T72] netlink_unicast+0x449/0x710 [ 804.206484][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.206484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.206484][ T72] ___sys_sendmsg+0xee/0x170 [ 804.206484][ T72] __sys_sendmsg+0xcd/0x170 [ 804.206484][ T72] do_syscall_64+0xc6/0x1e0 [ 804.206484][ T72] [ 804.208463][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 804.208463][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 804.208463][ T72] ipv6_find_idev+0x102/0x170 [ 804.208463][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 804.208463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.208463][ T72] netlink_rcv_skb+0x130/0x360 [ 804.208463][ T72] netlink_unicast+0x449/0x710 [ 804.208463][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.208463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.208463][ T72] ___sys_sendmsg+0xee/0x170 [ 804.208463][ T72] __sys_sendmsg+0xcd/0x170 [ 804.208463][ T72] do_syscall_64+0xc6/0x1e0 [ 804.208463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.208463][ T72] [ 804.210017][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 804.210017][ T72] neigh_parms_alloc+0x1e5/0x510 [ 804.210017][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 804.210017][ T72] ipv6_find_idev+0x102/0x170 [ 804.210017][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 804.210017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.210017][ T72] netlink_rcv_skb+0x130/0x360 [ 804.210017][ T72] netlink_unicast+0x449/0x710 [ 804.210017][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.210017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.210017][ T72] ___sys_sendmsg+0xee/0x170 [ 804.210017][ T72] __sys_sendmsg+0xcd/0x170 [ 804.210017][ T72] do_syscall_64+0xc6/0x1e0 [ 804.210017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.210017][ T72] [ 804.211861][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 804.212149][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 804.212149][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 804.212149][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 804.212149][ T72] fib6_nh_init+0xa22/0x1580 [ 804.212149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.212149][ T72] ip6_route_add+0x1c/0x140 [ 804.212149][ T72] inet6_rtm_newroute+0x104/0x110 [ 804.212149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.212149][ T72] netlink_rcv_skb+0x130/0x360 [ 804.212149][ T72] netlink_unicast+0x449/0x710 [ 804.212149][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.212149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.212149][ T72] ___sys_sendmsg+0xee/0x170 [ 804.212149][ T72] __sys_sendmsg+0xcd/0x170 [ 804.212149][ T72] do_syscall_64+0xc6/0x1e0 [ 804.212149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.212149][ T72] [ 804.214349][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 804.214349][ T72] dst_init+0x84/0x4a0 [ 804.214349][ T72] dst_alloc+0x97/0x150 [ 804.214349][ T72] ip6_dst_alloc+0x23/0x90 [ 804.214349][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 804.214349][ T72] ip6_pol_route+0x56f/0x840 [ 804.214349][ T72] fib6_rule_lookup+0x456/0x630 [ 804.214349][ T72] ip6_route_input+0x59c/0xa50 [ 804.214349][ T72] ipv6_rcv+0x397/0x810 [ 804.214349][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 804.214349][ T72] process_backlog+0x101/0x620 [ 804.214349][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 804.214349][ T72] net_rx_action+0x495/0xbe0 [ 804.214349][ T72] __do_softirq+0x1b5/0x7f6 [ 804.214349][ T72] [ 804.216170][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 804.216170][ T72] netdev_get_by_index+0x5e/0x80 [ 804.216170][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.216170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.216170][ T72] ip6_route_add+0x1c/0x140 [ 804.216170][ T72] addrconf_prefix_route+0x2a6/0x430 [ 804.216170][ T72] inet6_addr_add+0x4f8/0xa40 [ 804.216170][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.216170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.216170][ T72] netlink_rcv_skb+0x130/0x360 [ 804.216170][ T72] netlink_unicast+0x449/0x710 [ 804.216170][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.216170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.216170][ T72] ___sys_sendmsg+0xee/0x170 [ 804.216170][ T72] __sys_sendmsg+0xcd/0x170 [ 804.216170][ T72] do_syscall_64+0xc6/0x1e0 [ 804.216170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.216170][ T72] [ 804.218426][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 804.218426][ T72] netdev_get_by_index+0x5e/0x80 [ 804.218426][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.218426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.218426][ T72] addrconf_f6i_alloc+0x315/0x560 [ 804.218426][ T72] ipv6_add_addr+0x411/0x2000 [ 804.218426][ T72] inet6_addr_add+0x30e/0xa40 [ 804.218426][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.218426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.218426][ T72] netlink_rcv_skb+0x130/0x360 [ 804.218426][ T72] netlink_unicast+0x449/0x710 [ 804.218426][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.218426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.218426][ T72] ___sys_sendmsg+0xee/0x170 [ 804.218426][ T72] __sys_sendmsg+0xcd/0x170 [ 804.218426][ T72] do_syscall_64+0xc6/0x1e0 [ 804.218426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.218426][ T72] [ 804.220613][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 804.220613][ T72] netdev_get_by_index+0x5e/0x80 [ 804.220613][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.220613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.220613][ T72] ip6_route_add+0x1c/0x140 [ 804.220613][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 804.220613][ T72] addrconf_add_dev+0xe2/0x170 [ 804.220613][ T72] inet6_addr_add+0x12f/0xa40 [ 804.220613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.220613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.220613][ T72] netlink_rcv_skb+0x130/0x360 [ 804.220613][ T72] netlink_unicast+0x449/0x710 [ 804.220613][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.220613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.220613][ T72] ___sys_sendmsg+0xee/0x170 [ 804.220613][ T72] __sys_sendmsg+0xcd/0x170 [ 804.220613][ T72] do_syscall_64+0xc6/0x1e0 [ 804.220613][ T72] [ 804.222894][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 804.222894][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 804.222894][ T72] ipv6_find_idev+0x102/0x170 [ 804.222894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 804.222894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.222894][ T72] netlink_rcv_skb+0x130/0x360 [ 804.222894][ T72] netlink_unicast+0x449/0x710 [ 804.222894][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.222894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.222894][ T72] ___sys_sendmsg+0xee/0x170 [ 804.222894][ T72] __sys_sendmsg+0xcd/0x170 [ 804.222894][ T72] do_syscall_64+0xc6/0x1e0 [ 804.222894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.222894][ T72] [ 804.224637][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 804.224637][ T72] neigh_parms_alloc+0x1e5/0x510 [ 804.224637][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 804.224637][ T72] ipv6_find_idev+0x102/0x170 [ 804.224637][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 804.224637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.224637][ T72] netlink_rcv_skb+0x130/0x360 [ 804.224637][ T72] netlink_unicast+0x449/0x710 [ 804.224637][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.224637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.224637][ T72] ___sys_sendmsg+0xee/0x170 [ 804.224637][ T72] __sys_sendmsg+0xcd/0x170 [ 804.224637][ T72] do_syscall_64+0xc6/0x1e0 [ 804.224637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.224637][ T72] [ 804.226539][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 804.227344][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 804.227344][ T72] netdev_get_by_index+0x5e/0x80 [ 804.227344][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.227344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.227344][ T72] addrconf_f6i_alloc+0x265/0x560 [ 804.227344][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 804.227344][ T72] addrconf_join_anycast+0x1c0/0x220 [ 804.227344][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 804.227344][ T72] addrconf_dad_completed+0x12b/0xe20 [ 804.227344][ T72] addrconf_dad_begin+0x310/0x670 [ 804.227344][ T72] addrconf_dad_work+0x10b/0xab0 [ 804.227344][ T72] process_one_work+0x84d/0x18a0 [ 804.227344][ T72] worker_thread+0x587/0xd30 [ 804.227344][ T72] kthread+0x28a/0x350 [ 804.227344][ T72] ret_from_fork+0x31/0x70 [ 804.227344][ T72] ret_from_fork_asm+0x1a/0x30 [ 804.227344][ T72] [ 804.229267][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 804.229267][ T72] netdev_get_by_index+0x5e/0x80 [ 804.229267][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.229267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.229267][ T72] ip6_route_add+0x1c/0x140 [ 804.229267][ T72] addrconf_prefix_route+0x2a6/0x430 [ 804.229267][ T72] inet6_addr_add+0x4f8/0xa40 [ 804.229267][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.229267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.229267][ T72] netlink_rcv_skb+0x130/0x360 [ 804.229267][ T72] netlink_unicast+0x449/0x710 [ 804.229267][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.229267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.229267][ T72] ___sys_sendmsg+0xee/0x170 [ 804.229267][ T72] __sys_sendmsg+0xcd/0x170 [ 804.229267][ T72] do_syscall_64+0xc6/0x1e0 [ 804.229267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.229267][ T72] [ 804.231282][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 804.231282][ T72] netdev_get_by_index+0x5e/0x80 [ 804.231282][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.231282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.231282][ T72] addrconf_f6i_alloc+0x315/0x560 [ 804.231282][ T72] ipv6_add_addr+0x411/0x2000 [ 804.231282][ T72] inet6_addr_add+0x30e/0xa40 [ 804.231282][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.231282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.231282][ T72] netlink_rcv_skb+0x130/0x360 [ 804.231282][ T72] netlink_unicast+0x449/0x710 [ 804.231282][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.231282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.231282][ T72] ___sys_sendmsg+0xee/0x170 [ 804.231282][ T72] __sys_sendmsg+0xcd/0x170 [ 804.231282][ T72] do_syscall_64+0xc6/0x1e0 [ 804.231282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.231282][ T72] [ 804.233546][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 804.233546][ T72] netdev_get_by_index+0x5e/0x80 [ 804.233546][ T72] fib6_nh_init+0x3d8/0x1580 [ 804.233546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 804.233546][ T72] ip6_route_add+0x1c/0x140 [ 804.233546][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 804.233546][ T72] addrconf_add_dev+0xe2/0x170 [ 804.233546][ T72] inet6_addr_add+0x12f/0xa40 [ 804.233546][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 804.233546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.233546][ T72] netlink_rcv_skb+0x130/0x360 [ 804.233546][ T72] netlink_unicast+0x449/0x710 [ 804.233546][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.233546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.233546][ T72] ___sys_sendmsg+0xee/0x170 [ 804.233546][ T72] __sys_sendmsg+0xcd/0x170 [ 804.233546][ T72] do_syscall_64+0xc6/0x1e0 [ 804.233546][ T72] [ 804.235851][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 804.235851][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 804.235851][ T72] ipv6_find_idev+0x102/0x170 [ 804.235851][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 804.235851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.235851][ T72] netlink_rcv_skb+0x130/0x360 [ 804.235851][ T72] netlink_unicast+0x449/0x710 [ 804.235851][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.235851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.235851][ T72] ___sys_sendmsg+0xee/0x170 [ 804.235851][ T72] __sys_sendmsg+0xcd/0x170 [ 804.235851][ T72] do_syscall_64+0xc6/0x1e0 [ 804.235851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.235851][ T72] [ 804.237586][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 804.237586][ T72] neigh_parms_alloc+0x1e5/0x510 [ 804.237586][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 804.237586][ T72] ipv6_find_idev+0x102/0x170 [ 804.237586][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 804.237586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 804.237586][ T72] netlink_rcv_skb+0x130/0x360 [ 804.237586][ T72] netlink_unicast+0x449/0x710 [ 804.237586][ T72] netlink_sendmsg+0x723/0xbe0 [ 804.237586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 804.237586][ T72] ___sys_sendmsg+0xee/0x170 [ 804.237586][ T72] __sys_sendmsg+0xcd/0x170 [ 804.237586][ T72] do_syscall_64+0xc6/0x1e0 [ 804.237586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 804.237586][ T72] [ 814.480948][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 814.481503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 814.481503][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 814.481503][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 814.481503][ T72] fib6_nh_init+0xa22/0x1580 [ 814.481503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.481503][ T72] ip6_route_add+0x1c/0x140 [ 814.481503][ T72] inet6_rtm_newroute+0x104/0x110 [ 814.481503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.481503][ T72] netlink_rcv_skb+0x130/0x360 [ 814.481503][ T72] netlink_unicast+0x449/0x710 [ 814.481503][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.481503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.481503][ T72] ___sys_sendmsg+0xee/0x170 [ 814.481503][ T72] __sys_sendmsg+0xcd/0x170 [ 814.481503][ T72] do_syscall_64+0xc6/0x1e0 [ 814.481503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.481503][ T72] [ 814.483420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 814.483420][ T72] dst_init+0x84/0x4a0 [ 814.483420][ T72] dst_alloc+0x97/0x150 [ 814.483420][ T72] ip6_dst_alloc+0x23/0x90 [ 814.483420][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 814.483420][ T72] ip6_pol_route+0x56f/0x840 [ 814.483420][ T72] fib6_rule_lookup+0x456/0x630 [ 814.483420][ T72] ip6_route_input+0x59c/0xa50 [ 814.483420][ T72] ipv6_rcv+0x397/0x810 [ 814.483420][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 814.483420][ T72] process_backlog+0x101/0x620 [ 814.483420][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 814.483420][ T72] net_rx_action+0x495/0xbe0 [ 814.483420][ T72] __do_softirq+0x1b5/0x7f6 [ 814.483420][ T72] [ 814.485090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 814.485090][ T72] netdev_get_by_index+0x5e/0x80 [ 814.485090][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.485090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.485090][ T72] ip6_route_add+0x1c/0x140 [ 814.485090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 814.485090][ T72] inet6_addr_add+0x4f8/0xa40 [ 814.485090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.485090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.485090][ T72] netlink_rcv_skb+0x130/0x360 [ 814.485090][ T72] netlink_unicast+0x449/0x710 [ 814.485090][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.485090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.485090][ T72] ___sys_sendmsg+0xee/0x170 [ 814.485090][ T72] __sys_sendmsg+0xcd/0x170 [ 814.485090][ T72] do_syscall_64+0xc6/0x1e0 [ 814.485090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.485090][ T72] [ 814.487102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 814.487102][ T72] netdev_get_by_index+0x5e/0x80 [ 814.487102][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.487102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.487102][ T72] addrconf_f6i_alloc+0x315/0x560 [ 814.487102][ T72] ipv6_add_addr+0x411/0x2000 [ 814.487102][ T72] inet6_addr_add+0x30e/0xa40 [ 814.487102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.487102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.487102][ T72] netlink_rcv_skb+0x130/0x360 [ 814.487102][ T72] netlink_unicast+0x449/0x710 [ 814.487102][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.487102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.487102][ T72] ___sys_sendmsg+0xee/0x170 [ 814.487102][ T72] __sys_sendmsg+0xcd/0x170 [ 814.487102][ T72] do_syscall_64+0xc6/0x1e0 [ 814.487102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.487102][ T72] [ 814.489112][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 814.489112][ T72] netdev_get_by_index+0x5e/0x80 [ 814.489112][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.489112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.489112][ T72] ip6_route_add+0x1c/0x140 [ 814.489112][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 814.489112][ T72] addrconf_add_dev+0xe2/0x170 [ 814.489112][ T72] inet6_addr_add+0x12f/0xa40 [ 814.489112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.489112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.489112][ T72] netlink_rcv_skb+0x130/0x360 [ 814.489112][ T72] netlink_unicast+0x449/0x710 [ 814.489112][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.489112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.489112][ T72] ___sys_sendmsg+0xee/0x170 [ 814.489112][ T72] __sys_sendmsg+0xcd/0x170 [ 814.489112][ T72] do_syscall_64+0xc6/0x1e0 [ 814.489112][ T72] [ 814.491118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 814.491118][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 814.491118][ T72] ipv6_find_idev+0x102/0x170 [ 814.491118][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 814.491118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.491118][ T72] netlink_rcv_skb+0x130/0x360 [ 814.491118][ T72] netlink_unicast+0x449/0x710 [ 814.491118][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.491118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.491118][ T72] ___sys_sendmsg+0xee/0x170 [ 814.491118][ T72] __sys_sendmsg+0xcd/0x170 [ 814.491118][ T72] do_syscall_64+0xc6/0x1e0 [ 814.491118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.491118][ T72] [ 814.492664][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 814.492664][ T72] neigh_parms_alloc+0x1e5/0x510 [ 814.492664][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 814.492664][ T72] ipv6_find_idev+0x102/0x170 [ 814.492664][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 814.492664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.492664][ T72] netlink_rcv_skb+0x130/0x360 [ 814.492664][ T72] netlink_unicast+0x449/0x710 [ 814.492664][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.492664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.492664][ T72] ___sys_sendmsg+0xee/0x170 [ 814.492664][ T72] __sys_sendmsg+0xcd/0x170 [ 814.492664][ T72] do_syscall_64+0xc6/0x1e0 [ 814.492664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.492664][ T72] [ 814.494404][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 814.494684][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 814.494684][ T72] dst_init+0x84/0x4a0 [ 814.494684][ T72] dst_alloc+0x97/0x150 [ 814.494684][ T72] ip6_dst_alloc+0x23/0x90 [ 814.494684][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 814.494684][ T72] ip6_pol_route+0x56f/0x840 [ 814.494684][ T72] fib6_rule_lookup+0x456/0x630 [ 814.494684][ T72] ip6_route_input+0x59c/0xa50 [ 814.494684][ T72] ipv6_rcv+0x397/0x810 [ 814.494684][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 814.494684][ T72] process_backlog+0x101/0x620 [ 814.494684][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 814.494684][ T72] net_rx_action+0x495/0xbe0 [ 814.494684][ T72] __do_softirq+0x1b5/0x7f6 [ 814.494684][ T72] [ 814.496327][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 814.496327][ T72] netdev_get_by_index+0x5e/0x80 [ 814.496327][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.496327][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.496327][ T72] addrconf_f6i_alloc+0x265/0x560 [ 814.496327][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 814.496327][ T72] addrconf_join_anycast+0x1c0/0x220 [ 814.496327][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 814.496327][ T72] addrconf_dad_completed+0x12b/0xe20 [ 814.496327][ T72] addrconf_dad_begin+0x310/0x670 [ 814.496327][ T72] addrconf_dad_work+0x10b/0xab0 [ 814.496327][ T72] process_one_work+0x84d/0x18a0 [ 814.496327][ T72] worker_thread+0x587/0xd30 [ 814.496327][ T72] kthread+0x28a/0x350 [ 814.496327][ T72] ret_from_fork+0x31/0x70 [ 814.496327][ T72] ret_from_fork_asm+0x1a/0x30 [ 814.496327][ T72] [ 814.498254][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 814.498254][ T72] netdev_get_by_index+0x5e/0x80 [ 814.498254][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.498254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.498254][ T72] ip6_route_add+0x1c/0x140 [ 814.498254][ T72] addrconf_prefix_route+0x2a6/0x430 [ 814.498254][ T72] inet6_addr_add+0x4f8/0xa40 [ 814.498254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.498254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.498254][ T72] netlink_rcv_skb+0x130/0x360 [ 814.498254][ T72] netlink_unicast+0x449/0x710 [ 814.498254][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.498254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.498254][ T72] ___sys_sendmsg+0xee/0x170 [ 814.498254][ T72] __sys_sendmsg+0xcd/0x170 [ 814.498254][ T72] do_syscall_64+0xc6/0x1e0 [ 814.498254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.498254][ T72] [ 814.500255][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 814.500255][ T72] netdev_get_by_index+0x5e/0x80 [ 814.500255][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.500255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.500255][ T72] addrconf_f6i_alloc+0x315/0x560 [ 814.500255][ T72] ipv6_add_addr+0x411/0x2000 [ 814.500255][ T72] inet6_addr_add+0x30e/0xa40 [ 814.500255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.500255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.500255][ T72] netlink_rcv_skb+0x130/0x360 [ 814.500255][ T72] netlink_unicast+0x449/0x710 [ 814.500255][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.500255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.500255][ T72] ___sys_sendmsg+0xee/0x170 [ 814.500255][ T72] __sys_sendmsg+0xcd/0x170 [ 814.500255][ T72] do_syscall_64+0xc6/0x1e0 [ 814.500255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.500255][ T72] [ 814.502260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 814.502260][ T72] netdev_get_by_index+0x5e/0x80 [ 814.502260][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.502260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.502260][ T72] ip6_route_add+0x1c/0x140 [ 814.502260][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 814.502260][ T72] addrconf_add_dev+0xe2/0x170 [ 814.502260][ T72] inet6_addr_add+0x12f/0xa40 [ 814.502260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.502260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.502260][ T72] netlink_rcv_skb+0x130/0x360 [ 814.502260][ T72] netlink_unicast+0x449/0x710 [ 814.502260][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.502260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.502260][ T72] ___sys_sendmsg+0xee/0x170 [ 814.502260][ T72] __sys_sendmsg+0xcd/0x170 [ 814.502260][ T72] do_syscall_64+0xc6/0x1e0 [ 814.502260][ T72] [ 814.504232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 814.504232][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 814.504232][ T72] ipv6_find_idev+0x102/0x170 [ 814.504232][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 814.504232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.504232][ T72] netlink_rcv_skb+0x130/0x360 [ 814.504232][ T72] netlink_unicast+0x449/0x710 [ 814.504232][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.504232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.504232][ T72] ___sys_sendmsg+0xee/0x170 [ 814.504232][ T72] __sys_sendmsg+0xcd/0x170 [ 814.504232][ T72] do_syscall_64+0xc6/0x1e0 [ 814.504232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.504232][ T72] [ 814.505792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 814.505792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 814.505792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 814.505792][ T72] ipv6_find_idev+0x102/0x170 [ 814.505792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 814.505792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.505792][ T72] netlink_rcv_skb+0x130/0x360 [ 814.505792][ T72] netlink_unicast+0x449/0x710 [ 814.505792][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.505792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.505792][ T72] ___sys_sendmsg+0xee/0x170 [ 814.505792][ T72] __sys_sendmsg+0xcd/0x170 [ 814.505792][ T72] do_syscall_64+0xc6/0x1e0 [ 814.505792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.505792][ T72] [ 814.507610][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 814.507888][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 814.507888][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 814.507888][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 814.507888][ T72] fib6_nh_init+0xa22/0x1580 [ 814.507888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.507888][ T72] ip6_route_add+0x1c/0x140 [ 814.507888][ T72] inet6_rtm_newroute+0x104/0x110 [ 814.507888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.507888][ T72] netlink_rcv_skb+0x130/0x360 [ 814.507888][ T72] netlink_unicast+0x449/0x710 [ 814.507888][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.507888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.507888][ T72] ___sys_sendmsg+0xee/0x170 [ 814.507888][ T72] __sys_sendmsg+0xcd/0x170 [ 814.507888][ T72] do_syscall_64+0xc6/0x1e0 [ 814.507888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.507888][ T72] [ 814.510081][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 814.510081][ T72] dst_init+0x84/0x4a0 [ 814.510081][ T72] dst_alloc+0x97/0x150 [ 814.510081][ T72] ip6_dst_alloc+0x23/0x90 [ 814.510081][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 814.510081][ T72] ip6_pol_route+0x56f/0x840 [ 814.510081][ T72] fib6_rule_lookup+0x456/0x630 [ 814.510081][ T72] ip6_route_input+0x59c/0xa50 [ 814.510081][ T72] ipv6_rcv+0x397/0x810 [ 814.510081][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 814.510081][ T72] process_backlog+0x101/0x620 [ 814.510081][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 814.510081][ T72] net_rx_action+0x495/0xbe0 [ 814.510081][ T72] __do_softirq+0x1b5/0x7f6 [ 814.510081][ T72] [ 814.511898][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 814.511898][ T72] netdev_get_by_index+0x5e/0x80 [ 814.511898][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.511898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.511898][ T72] ip6_route_add+0x1c/0x140 [ 814.511898][ T72] addrconf_prefix_route+0x2a6/0x430 [ 814.511898][ T72] inet6_addr_add+0x4f8/0xa40 [ 814.511898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.511898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.511898][ T72] netlink_rcv_skb+0x130/0x360 [ 814.511898][ T72] netlink_unicast+0x449/0x710 [ 814.511898][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.511898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.511898][ T72] ___sys_sendmsg+0xee/0x170 [ 814.511898][ T72] __sys_sendmsg+0xcd/0x170 [ 814.511898][ T72] do_syscall_64+0xc6/0x1e0 [ 814.511898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.511898][ T72] [ 814.514160][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 814.514160][ T72] netdev_get_by_index+0x5e/0x80 [ 814.514160][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.514160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.514160][ T72] addrconf_f6i_alloc+0x315/0x560 [ 814.514160][ T72] ipv6_add_addr+0x411/0x2000 [ 814.514160][ T72] inet6_addr_add+0x30e/0xa40 [ 814.514160][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.514160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.514160][ T72] netlink_rcv_skb+0x130/0x360 [ 814.514160][ T72] netlink_unicast+0x449/0x710 [ 814.514160][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.514160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.514160][ T72] ___sys_sendmsg+0xee/0x170 [ 814.514160][ T72] __sys_sendmsg+0xcd/0x170 [ 814.514160][ T72] do_syscall_64+0xc6/0x1e0 [ 814.514160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.514160][ T72] [ 814.516348][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 814.516348][ T72] netdev_get_by_index+0x5e/0x80 [ 814.516348][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.516348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.516348][ T72] ip6_route_add+0x1c/0x140 [ 814.516348][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 814.516348][ T72] addrconf_add_dev+0xe2/0x170 [ 814.516348][ T72] inet6_addr_add+0x12f/0xa40 [ 814.516348][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.516348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.516348][ T72] netlink_rcv_skb+0x130/0x360 [ 814.516348][ T72] netlink_unicast+0x449/0x710 [ 814.516348][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.516348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.516348][ T72] ___sys_sendmsg+0xee/0x170 [ 814.516348][ T72] __sys_sendmsg+0xcd/0x170 [ 814.516348][ T72] do_syscall_64+0xc6/0x1e0 [ 814.516348][ T72] [ 814.518618][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 814.518618][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 814.518618][ T72] ipv6_find_idev+0x102/0x170 [ 814.518618][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 814.518618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.518618][ T72] netlink_rcv_skb+0x130/0x360 [ 814.518618][ T72] netlink_unicast+0x449/0x710 [ 814.518618][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.518618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.518618][ T72] ___sys_sendmsg+0xee/0x170 [ 814.518618][ T72] __sys_sendmsg+0xcd/0x170 [ 814.518618][ T72] do_syscall_64+0xc6/0x1e0 [ 814.518618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.518618][ T72] [ 814.520344][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 814.520344][ T72] neigh_parms_alloc+0x1e5/0x510 [ 814.520344][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 814.520344][ T72] ipv6_find_idev+0x102/0x170 [ 814.520344][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 814.520344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.520344][ T72] netlink_rcv_skb+0x130/0x360 [ 814.520344][ T72] netlink_unicast+0x449/0x710 [ 814.520344][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.520344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.520344][ T72] ___sys_sendmsg+0xee/0x170 [ 814.520344][ T72] __sys_sendmsg+0xcd/0x170 [ 814.520344][ T72] do_syscall_64+0xc6/0x1e0 [ 814.520344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.520344][ T72] [ 814.522309][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 814.522649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 814.522649][ T72] netdev_get_by_index+0x5e/0x80 [ 814.522649][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.522649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.522649][ T72] addrconf_f6i_alloc+0x265/0x560 [ 814.522649][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 814.522649][ T72] addrconf_join_anycast+0x1c0/0x220 [ 814.522649][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 814.522649][ T72] addrconf_dad_completed+0x12b/0xe20 [ 814.522649][ T72] addrconf_dad_begin+0x310/0x670 [ 814.522649][ T72] addrconf_dad_work+0x10b/0xab0 [ 814.522649][ T72] process_one_work+0x84d/0x18a0 [ 814.522649][ T72] worker_thread+0x587/0xd30 [ 814.522649][ T72] kthread+0x28a/0x350 [ 814.522649][ T72] ret_from_fork+0x31/0x70 [ 814.522649][ T72] ret_from_fork_asm+0x1a/0x30 [ 814.522649][ T72] [ 814.524700][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 814.524700][ T72] netdev_get_by_index+0x5e/0x80 [ 814.524700][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.524700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.524700][ T72] ip6_route_add+0x1c/0x140 [ 814.524700][ T72] addrconf_prefix_route+0x2a6/0x430 [ 814.524700][ T72] inet6_addr_add+0x4f8/0xa40 [ 814.524700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.524700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.524700][ T72] netlink_rcv_skb+0x130/0x360 [ 814.524700][ T72] netlink_unicast+0x449/0x710 [ 814.524700][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.524700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.524700][ T72] ___sys_sendmsg+0xee/0x170 [ 814.524700][ T72] __sys_sendmsg+0xcd/0x170 [ 814.524700][ T72] do_syscall_64+0xc6/0x1e0 [ 814.524700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.524700][ T72] [ 814.526996][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 814.526996][ T72] netdev_get_by_index+0x5e/0x80 [ 814.526996][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.526996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.526996][ T72] addrconf_f6i_alloc+0x315/0x560 [ 814.526996][ T72] ipv6_add_addr+0x411/0x2000 [ 814.526996][ T72] inet6_addr_add+0x30e/0xa40 [ 814.526996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.526996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.526996][ T72] netlink_rcv_skb+0x130/0x360 [ 814.526996][ T72] netlink_unicast+0x449/0x710 [ 814.526996][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.526996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.526996][ T72] ___sys_sendmsg+0xee/0x170 [ 814.526996][ T72] __sys_sendmsg+0xcd/0x170 [ 814.526996][ T72] do_syscall_64+0xc6/0x1e0 [ 814.526996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.526996][ T72] [ 814.529320][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 814.529320][ T72] netdev_get_by_index+0x5e/0x80 [ 814.529320][ T72] fib6_nh_init+0x3d8/0x1580 [ 814.529320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 814.529320][ T72] ip6_route_add+0x1c/0x140 [ 814.529320][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 814.529320][ T72] addrconf_add_dev+0xe2/0x170 [ 814.529320][ T72] inet6_addr_add+0x12f/0xa40 [ 814.529320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 814.529320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.529320][ T72] netlink_rcv_skb+0x130/0x360 [ 814.529320][ T72] netlink_unicast+0x449/0x710 [ 814.529320][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.529320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.529320][ T72] ___sys_sendmsg+0xee/0x170 [ 814.529320][ T72] __sys_sendmsg+0xcd/0x170 [ 814.529320][ T72] do_syscall_64+0xc6/0x1e0 [ 814.529320][ T72] [ 814.531533][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 814.531533][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 814.531533][ T72] ipv6_find_idev+0x102/0x170 [ 814.531533][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 814.531533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.531533][ T72] netlink_rcv_skb+0x130/0x360 [ 814.531533][ T72] netlink_unicast+0x449/0x710 [ 814.531533][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.531533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.531533][ T72] ___sys_sendmsg+0xee/0x170 [ 814.531533][ T72] __sys_sendmsg+0xcd/0x170 [ 814.531533][ T72] do_syscall_64+0xc6/0x1e0 [ 814.531533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.531533][ T72] [ 814.533273][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 814.533273][ T72] neigh_parms_alloc+0x1e5/0x510 [ 814.533273][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 814.533273][ T72] ipv6_find_idev+0x102/0x170 [ 814.533273][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 814.533273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 814.533273][ T72] netlink_rcv_skb+0x130/0x360 [ 814.533273][ T72] netlink_unicast+0x449/0x710 [ 814.533273][ T72] netlink_sendmsg+0x723/0xbe0 [ 814.533273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 814.533273][ T72] ___sys_sendmsg+0xee/0x170 [ 814.533273][ T72] __sys_sendmsg+0xcd/0x170 [ 814.533273][ T72] do_syscall_64+0xc6/0x1e0 [ 814.533273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 814.533273][ T72] [ 824.776943][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 824.777504][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 824.777504][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 824.777504][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 824.777504][ T72] fib6_nh_init+0xa22/0x1580 [ 824.777504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.777504][ T72] ip6_route_add+0x1c/0x140 [ 824.777504][ T72] inet6_rtm_newroute+0x104/0x110 [ 824.777504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.777504][ T72] netlink_rcv_skb+0x130/0x360 [ 824.777504][ T72] netlink_unicast+0x449/0x710 [ 824.777504][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.777504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.777504][ T72] ___sys_sendmsg+0xee/0x170 [ 824.777504][ T72] __sys_sendmsg+0xcd/0x170 [ 824.777504][ T72] do_syscall_64+0xc6/0x1e0 [ 824.777504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.777504][ T72] [ 824.779411][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 824.779411][ T72] dst_init+0x84/0x4a0 [ 824.779411][ T72] dst_alloc+0x97/0x150 [ 824.779411][ T72] ip6_dst_alloc+0x23/0x90 [ 824.779411][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 824.779411][ T72] ip6_pol_route+0x56f/0x840 [ 824.779411][ T72] fib6_rule_lookup+0x456/0x630 [ 824.779411][ T72] ip6_route_input+0x59c/0xa50 [ 824.779411][ T72] ipv6_rcv+0x397/0x810 [ 824.779411][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 824.779411][ T72] process_backlog+0x101/0x620 [ 824.779411][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 824.779411][ T72] net_rx_action+0x495/0xbe0 [ 824.779411][ T72] __do_softirq+0x1b5/0x7f6 [ 824.779411][ T72] [ 824.781061][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 824.781061][ T72] netdev_get_by_index+0x5e/0x80 [ 824.781061][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.781061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.781061][ T72] ip6_route_add+0x1c/0x140 [ 824.781061][ T72] addrconf_prefix_route+0x2a6/0x430 [ 824.781061][ T72] inet6_addr_add+0x4f8/0xa40 [ 824.781061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.781061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.781061][ T72] netlink_rcv_skb+0x130/0x360 [ 824.781061][ T72] netlink_unicast+0x449/0x710 [ 824.781061][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.781061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.781061][ T72] ___sys_sendmsg+0xee/0x170 [ 824.781061][ T72] __sys_sendmsg+0xcd/0x170 [ 824.781061][ T72] do_syscall_64+0xc6/0x1e0 [ 824.781061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.781061][ T72] [ 824.783083][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 824.783083][ T72] netdev_get_by_index+0x5e/0x80 [ 824.783083][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.783083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.783083][ T72] addrconf_f6i_alloc+0x315/0x560 [ 824.783083][ T72] ipv6_add_addr+0x411/0x2000 [ 824.783083][ T72] inet6_addr_add+0x30e/0xa40 [ 824.783083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.783083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.783083][ T72] netlink_rcv_skb+0x130/0x360 [ 824.783083][ T72] netlink_unicast+0x449/0x710 [ 824.783083][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.783083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.783083][ T72] ___sys_sendmsg+0xee/0x170 [ 824.783083][ T72] __sys_sendmsg+0xcd/0x170 [ 824.783083][ T72] do_syscall_64+0xc6/0x1e0 [ 824.783083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.783083][ T72] [ 824.785106][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 824.785106][ T72] netdev_get_by_index+0x5e/0x80 [ 824.785106][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.785106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.785106][ T72] ip6_route_add+0x1c/0x140 [ 824.785106][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 824.785106][ T72] addrconf_add_dev+0xe2/0x170 [ 824.785106][ T72] inet6_addr_add+0x12f/0xa40 [ 824.785106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.785106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.785106][ T72] netlink_rcv_skb+0x130/0x360 [ 824.785106][ T72] netlink_unicast+0x449/0x710 [ 824.785106][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.785106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.785106][ T72] ___sys_sendmsg+0xee/0x170 [ 824.785106][ T72] __sys_sendmsg+0xcd/0x170 [ 824.785106][ T72] do_syscall_64+0xc6/0x1e0 [ 824.785106][ T72] [ 824.787082][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 824.787082][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 824.787082][ T72] ipv6_find_idev+0x102/0x170 [ 824.787082][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 824.787082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.787082][ T72] netlink_rcv_skb+0x130/0x360 [ 824.787082][ T72] netlink_unicast+0x449/0x710 [ 824.787082][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.787082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.787082][ T72] ___sys_sendmsg+0xee/0x170 [ 824.787082][ T72] __sys_sendmsg+0xcd/0x170 [ 824.787082][ T72] do_syscall_64+0xc6/0x1e0 [ 824.787082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.787082][ T72] [ 824.788630][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 824.788630][ T72] neigh_parms_alloc+0x1e5/0x510 [ 824.788630][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 824.788630][ T72] ipv6_find_idev+0x102/0x170 [ 824.788630][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 824.788630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.788630][ T72] netlink_rcv_skb+0x130/0x360 [ 824.788630][ T72] netlink_unicast+0x449/0x710 [ 824.788630][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.788630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.788630][ T72] ___sys_sendmsg+0xee/0x170 [ 824.788630][ T72] __sys_sendmsg+0xcd/0x170 [ 824.788630][ T72] do_syscall_64+0xc6/0x1e0 [ 824.788630][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.788630][ T72] [ 824.790361][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 824.790637][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 824.790637][ T72] dst_init+0x84/0x4a0 [ 824.790637][ T72] dst_alloc+0x97/0x150 [ 824.790637][ T72] ip6_dst_alloc+0x23/0x90 [ 824.790637][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 824.790637][ T72] ip6_pol_route+0x56f/0x840 [ 824.790637][ T72] fib6_rule_lookup+0x456/0x630 [ 824.790637][ T72] ip6_route_input+0x59c/0xa50 [ 824.790637][ T72] ipv6_rcv+0x397/0x810 [ 824.790637][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 824.790637][ T72] process_backlog+0x101/0x620 [ 824.790637][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 824.790637][ T72] net_rx_action+0x495/0xbe0 [ 824.790637][ T72] __do_softirq+0x1b5/0x7f6 [ 824.790637][ T72] [ 824.792861][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 824.792861][ T72] netdev_get_by_index+0x5e/0x80 [ 824.792861][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.792861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.792861][ T72] addrconf_f6i_alloc+0x265/0x560 [ 824.792861][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 824.792861][ T72] addrconf_join_anycast+0x1c0/0x220 [ 824.792861][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 824.792861][ T72] addrconf_dad_completed+0x12b/0xe20 [ 824.792861][ T72] addrconf_dad_begin+0x310/0x670 [ 824.792861][ T72] addrconf_dad_work+0x10b/0xab0 [ 824.792861][ T72] process_one_work+0x84d/0x18a0 [ 824.792861][ T72] worker_thread+0x587/0xd30 [ 824.792861][ T72] kthread+0x28a/0x350 [ 824.792861][ T72] ret_from_fork+0x31/0x70 [ 824.792861][ T72] ret_from_fork_asm+0x1a/0x30 [ 824.792861][ T72] [ 824.794789][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 824.794789][ T72] netdev_get_by_index+0x5e/0x80 [ 824.794789][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.794789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.794789][ T72] ip6_route_add+0x1c/0x140 [ 824.794789][ T72] addrconf_prefix_route+0x2a6/0x430 [ 824.794789][ T72] inet6_addr_add+0x4f8/0xa40 [ 824.794789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.794789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.794789][ T72] netlink_rcv_skb+0x130/0x360 [ 824.794789][ T72] netlink_unicast+0x449/0x710 [ 824.794789][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.794789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.794789][ T72] ___sys_sendmsg+0xee/0x170 [ 824.794789][ T72] __sys_sendmsg+0xcd/0x170 [ 824.794789][ T72] do_syscall_64+0xc6/0x1e0 [ 824.794789][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.794789][ T72] [ 824.796800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 824.796800][ T72] netdev_get_by_index+0x5e/0x80 [ 824.796800][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.796800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.796800][ T72] addrconf_f6i_alloc+0x315/0x560 [ 824.796800][ T72] ipv6_add_addr+0x411/0x2000 [ 824.796800][ T72] inet6_addr_add+0x30e/0xa40 [ 824.796800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.796800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.796800][ T72] netlink_rcv_skb+0x130/0x360 [ 824.796800][ T72] netlink_unicast+0x449/0x710 [ 824.796800][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.796800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.796800][ T72] ___sys_sendmsg+0xee/0x170 [ 824.796800][ T72] __sys_sendmsg+0xcd/0x170 [ 824.796800][ T72] do_syscall_64+0xc6/0x1e0 [ 824.796800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.796800][ T72] [ 824.798805][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 824.798805][ T72] netdev_get_by_index+0x5e/0x80 [ 824.798805][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.798805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.798805][ T72] ip6_route_add+0x1c/0x140 [ 824.798805][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 824.798805][ T72] addrconf_add_dev+0xe2/0x170 [ 824.798805][ T72] inet6_addr_add+0x12f/0xa40 [ 824.798805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.798805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.798805][ T72] netlink_rcv_skb+0x130/0x360 [ 824.798805][ T72] netlink_unicast+0x449/0x710 [ 824.798805][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.798805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.798805][ T72] ___sys_sendmsg+0xee/0x170 [ 824.798805][ T72] __sys_sendmsg+0xcd/0x170 [ 824.798805][ T72] do_syscall_64+0xc6/0x1e0 [ 824.798805][ T72] [ 824.801186][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 824.801186][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 824.801186][ T72] ipv6_find_idev+0x102/0x170 [ 824.801186][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 824.801186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.801186][ T72] netlink_rcv_skb+0x130/0x360 [ 824.801186][ T72] netlink_unicast+0x449/0x710 [ 824.801186][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.801186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.801186][ T72] ___sys_sendmsg+0xee/0x170 [ 824.801186][ T72] __sys_sendmsg+0xcd/0x170 [ 824.801186][ T72] do_syscall_64+0xc6/0x1e0 [ 824.801186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.801186][ T72] [ 824.802738][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 824.802738][ T72] neigh_parms_alloc+0x1e5/0x510 [ 824.802738][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 824.802738][ T72] ipv6_find_idev+0x102/0x170 [ 824.802738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 824.802738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.802738][ T72] netlink_rcv_skb+0x130/0x360 [ 824.802738][ T72] netlink_unicast+0x449/0x710 [ 824.802738][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.802738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.802738][ T72] ___sys_sendmsg+0xee/0x170 [ 824.802738][ T72] __sys_sendmsg+0xcd/0x170 [ 824.802738][ T72] do_syscall_64+0xc6/0x1e0 [ 824.802738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.802738][ T72] [ 824.804587][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 824.804875][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 824.804875][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 824.804875][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 824.804875][ T72] fib6_nh_init+0xa22/0x1580 [ 824.804875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.804875][ T72] ip6_route_add+0x1c/0x140 [ 824.804875][ T72] inet6_rtm_newroute+0x104/0x110 [ 824.804875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.804875][ T72] netlink_rcv_skb+0x130/0x360 [ 824.804875][ T72] netlink_unicast+0x449/0x710 [ 824.804875][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.804875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.804875][ T72] ___sys_sendmsg+0xee/0x170 [ 824.804875][ T72] __sys_sendmsg+0xcd/0x170 [ 824.804875][ T72] do_syscall_64+0xc6/0x1e0 [ 824.804875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.804875][ T72] [ 824.807072][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 824.807072][ T72] dst_init+0x84/0x4a0 [ 824.807072][ T72] dst_alloc+0x97/0x150 [ 824.807072][ T72] ip6_dst_alloc+0x23/0x90 [ 824.807072][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 824.807072][ T72] ip6_pol_route+0x56f/0x840 [ 824.807072][ T72] fib6_rule_lookup+0x456/0x630 [ 824.807072][ T72] ip6_route_input+0x59c/0xa50 [ 824.807072][ T72] ipv6_rcv+0x397/0x810 [ 824.807072][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 824.807072][ T72] process_backlog+0x101/0x620 [ 824.807072][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 824.807072][ T72] net_rx_action+0x495/0xbe0 [ 824.807072][ T72] __do_softirq+0x1b5/0x7f6 [ 824.807072][ T72] [ 824.808897][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 824.808897][ T72] netdev_get_by_index+0x5e/0x80 [ 824.808897][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.808897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.808897][ T72] ip6_route_add+0x1c/0x140 [ 824.808897][ T72] addrconf_prefix_route+0x2a6/0x430 [ 824.808897][ T72] inet6_addr_add+0x4f8/0xa40 [ 824.808897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.808897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.808897][ T72] netlink_rcv_skb+0x130/0x360 [ 824.808897][ T72] netlink_unicast+0x449/0x710 [ 824.808897][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.808897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.808897][ T72] ___sys_sendmsg+0xee/0x170 [ 824.808897][ T72] __sys_sendmsg+0xcd/0x170 [ 824.808897][ T72] do_syscall_64+0xc6/0x1e0 [ 824.808897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.808897][ T72] [ 824.811144][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 824.811144][ T72] netdev_get_by_index+0x5e/0x80 [ 824.811144][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.811144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.811144][ T72] addrconf_f6i_alloc+0x315/0x560 [ 824.811144][ T72] ipv6_add_addr+0x411/0x2000 [ 824.811144][ T72] inet6_addr_add+0x30e/0xa40 [ 824.811144][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.811144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.811144][ T72] netlink_rcv_skb+0x130/0x360 [ 824.811144][ T72] netlink_unicast+0x449/0x710 [ 824.811144][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.811144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.811144][ T72] ___sys_sendmsg+0xee/0x170 [ 824.811144][ T72] __sys_sendmsg+0xcd/0x170 [ 824.811144][ T72] do_syscall_64+0xc6/0x1e0 [ 824.811144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.811144][ T72] [ 824.813336][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 824.813336][ T72] netdev_get_by_index+0x5e/0x80 [ 824.813336][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.813336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.813336][ T72] ip6_route_add+0x1c/0x140 [ 824.813336][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 824.813336][ T72] addrconf_add_dev+0xe2/0x170 [ 824.813336][ T72] inet6_addr_add+0x12f/0xa40 [ 824.813336][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.813336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.813336][ T72] netlink_rcv_skb+0x130/0x360 [ 824.813336][ T72] netlink_unicast+0x449/0x710 [ 824.813336][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.813336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.813336][ T72] ___sys_sendmsg+0xee/0x170 [ 824.813336][ T72] __sys_sendmsg+0xcd/0x170 [ 824.813336][ T72] do_syscall_64+0xc6/0x1e0 [ 824.813336][ T72] [ 824.815655][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 824.815655][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 824.815655][ T72] ipv6_find_idev+0x102/0x170 [ 824.815655][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 824.815655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.815655][ T72] netlink_rcv_skb+0x130/0x360 [ 824.815655][ T72] netlink_unicast+0x449/0x710 [ 824.815655][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.815655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.815655][ T72] ___sys_sendmsg+0xee/0x170 [ 824.815655][ T72] __sys_sendmsg+0xcd/0x170 [ 824.815655][ T72] do_syscall_64+0xc6/0x1e0 [ 824.815655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.815655][ T72] [ 824.817380][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 824.817380][ T72] neigh_parms_alloc+0x1e5/0x510 [ 824.817380][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 824.817380][ T72] ipv6_find_idev+0x102/0x170 [ 824.817380][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 824.817380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.817380][ T72] netlink_rcv_skb+0x130/0x360 [ 824.817380][ T72] netlink_unicast+0x449/0x710 [ 824.817380][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.817380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.817380][ T72] ___sys_sendmsg+0xee/0x170 [ 824.817380][ T72] __sys_sendmsg+0xcd/0x170 [ 824.817380][ T72] do_syscall_64+0xc6/0x1e0 [ 824.817380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.817380][ T72] [ 824.819255][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 824.819599][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 824.819599][ T72] netdev_get_by_index+0x5e/0x80 [ 824.819599][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.819599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.819599][ T72] addrconf_f6i_alloc+0x265/0x560 [ 824.819599][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 824.819599][ T72] addrconf_join_anycast+0x1c0/0x220 [ 824.819599][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 824.819599][ T72] addrconf_dad_completed+0x12b/0xe20 [ 824.819599][ T72] addrconf_dad_begin+0x310/0x670 [ 824.819599][ T72] addrconf_dad_work+0x10b/0xab0 [ 824.819599][ T72] process_one_work+0x84d/0x18a0 [ 824.819599][ T72] worker_thread+0x587/0xd30 [ 824.819599][ T72] kthread+0x28a/0x350 [ 824.819599][ T72] ret_from_fork+0x31/0x70 [ 824.819599][ T72] ret_from_fork_asm+0x1a/0x30 [ 824.819599][ T72] [ 824.821647][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 824.821647][ T72] netdev_get_by_index+0x5e/0x80 [ 824.821647][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.821647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.821647][ T72] ip6_route_add+0x1c/0x140 [ 824.821647][ T72] addrconf_prefix_route+0x2a6/0x430 [ 824.821647][ T72] inet6_addr_add+0x4f8/0xa40 [ 824.821647][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.821647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.821647][ T72] netlink_rcv_skb+0x130/0x360 [ 824.821647][ T72] netlink_unicast+0x449/0x710 [ 824.821647][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.821647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.821647][ T72] ___sys_sendmsg+0xee/0x170 [ 824.821647][ T72] __sys_sendmsg+0xcd/0x170 [ 824.821647][ T72] do_syscall_64+0xc6/0x1e0 [ 824.821647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.821647][ T72] [ 824.823907][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 824.823907][ T72] netdev_get_by_index+0x5e/0x80 [ 824.823907][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.823907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.823907][ T72] addrconf_f6i_alloc+0x315/0x560 [ 824.823907][ T72] ipv6_add_addr+0x411/0x2000 [ 824.823907][ T72] inet6_addr_add+0x30e/0xa40 [ 824.823907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.823907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.823907][ T72] netlink_rcv_skb+0x130/0x360 [ 824.823907][ T72] netlink_unicast+0x449/0x710 [ 824.823907][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.823907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.823907][ T72] ___sys_sendmsg+0xee/0x170 [ 824.823907][ T72] __sys_sendmsg+0xcd/0x170 [ 824.823907][ T72] do_syscall_64+0xc6/0x1e0 [ 824.823907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.823907][ T72] [ 824.826236][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 824.826236][ T72] netdev_get_by_index+0x5e/0x80 [ 824.826236][ T72] fib6_nh_init+0x3d8/0x1580 [ 824.826236][ T72] ip6_route_info_create+0xf18/0x17d0 [ 824.826236][ T72] ip6_route_add+0x1c/0x140 [ 824.826236][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 824.826236][ T72] addrconf_add_dev+0xe2/0x170 [ 824.826236][ T72] inet6_addr_add+0x12f/0xa40 [ 824.826236][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 824.826236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.826236][ T72] netlink_rcv_skb+0x130/0x360 [ 824.826236][ T72] netlink_unicast+0x449/0x710 [ 824.826236][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.826236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.826236][ T72] ___sys_sendmsg+0xee/0x170 [ 824.826236][ T72] __sys_sendmsg+0xcd/0x170 [ 824.826236][ T72] do_syscall_64+0xc6/0x1e0 [ 824.826236][ T72] [ 824.828447][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 824.828447][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 824.828447][ T72] ipv6_find_idev+0x102/0x170 [ 824.828447][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 824.828447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.828447][ T72] netlink_rcv_skb+0x130/0x360 [ 824.828447][ T72] netlink_unicast+0x449/0x710 [ 824.828447][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.828447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.828447][ T72] ___sys_sendmsg+0xee/0x170 [ 824.828447][ T72] __sys_sendmsg+0xcd/0x170 [ 824.828447][ T72] do_syscall_64+0xc6/0x1e0 [ 824.828447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.828447][ T72] [ 824.830171][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 824.830171][ T72] neigh_parms_alloc+0x1e5/0x510 [ 824.830171][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 824.830171][ T72] ipv6_find_idev+0x102/0x170 [ 824.830171][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 824.830171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 824.830171][ T72] netlink_rcv_skb+0x130/0x360 [ 824.830171][ T72] netlink_unicast+0x449/0x710 [ 824.830171][ T72] netlink_sendmsg+0x723/0xbe0 [ 824.830171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 824.830171][ T72] ___sys_sendmsg+0xee/0x170 [ 824.830171][ T72] __sys_sendmsg+0xcd/0x170 [ 824.830171][ T72] do_syscall_64+0xc6/0x1e0 [ 824.830171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 824.830171][ T72] [ 835.073048][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 835.073769][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 835.073769][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 835.073769][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 835.073769][ T72] fib6_nh_init+0xa22/0x1580 [ 835.073769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.073769][ T72] ip6_route_add+0x1c/0x140 [ 835.073769][ T72] inet6_rtm_newroute+0x104/0x110 [ 835.073769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.073769][ T72] netlink_rcv_skb+0x130/0x360 [ 835.073769][ T72] netlink_unicast+0x449/0x710 [ 835.073769][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.073769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.073769][ T72] ___sys_sendmsg+0xee/0x170 [ 835.073769][ T72] __sys_sendmsg+0xcd/0x170 [ 835.073769][ T72] do_syscall_64+0xc6/0x1e0 [ 835.073769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.073769][ T72] [ 835.075711][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 835.075711][ T72] dst_init+0x84/0x4a0 [ 835.075711][ T72] dst_alloc+0x97/0x150 [ 835.075711][ T72] ip6_dst_alloc+0x23/0x90 [ 835.075711][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 835.075711][ T72] ip6_pol_route+0x56f/0x840 [ 835.075711][ T72] fib6_rule_lookup+0x456/0x630 [ 835.075711][ T72] ip6_route_input+0x59c/0xa50 [ 835.075711][ T72] ipv6_rcv+0x397/0x810 [ 835.075711][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 835.075711][ T72] process_backlog+0x101/0x620 [ 835.075711][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 835.075711][ T72] net_rx_action+0x495/0xbe0 [ 835.075711][ T72] __do_softirq+0x1b5/0x7f6 [ 835.075711][ T72] [ 835.077367][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 835.077367][ T72] netdev_get_by_index+0x5e/0x80 [ 835.077367][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.077367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.077367][ T72] ip6_route_add+0x1c/0x140 [ 835.077367][ T72] addrconf_prefix_route+0x2a6/0x430 [ 835.077367][ T72] inet6_addr_add+0x4f8/0xa40 [ 835.077367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.077367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.077367][ T72] netlink_rcv_skb+0x130/0x360 [ 835.077367][ T72] netlink_unicast+0x449/0x710 [ 835.077367][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.077367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.077367][ T72] ___sys_sendmsg+0xee/0x170 [ 835.077367][ T72] __sys_sendmsg+0xcd/0x170 [ 835.077367][ T72] do_syscall_64+0xc6/0x1e0 [ 835.077367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.077367][ T72] [ 835.079373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 835.079373][ T72] netdev_get_by_index+0x5e/0x80 [ 835.079373][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.079373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.079373][ T72] addrconf_f6i_alloc+0x315/0x560 [ 835.079373][ T72] ipv6_add_addr+0x411/0x2000 [ 835.079373][ T72] inet6_addr_add+0x30e/0xa40 [ 835.079373][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.079373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.079373][ T72] netlink_rcv_skb+0x130/0x360 [ 835.079373][ T72] netlink_unicast+0x449/0x710 [ 835.079373][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.079373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.079373][ T72] ___sys_sendmsg+0xee/0x170 [ 835.079373][ T72] __sys_sendmsg+0xcd/0x170 [ 835.079373][ T72] do_syscall_64+0xc6/0x1e0 [ 835.079373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.079373][ T72] [ 835.081380][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 835.081380][ T72] netdev_get_by_index+0x5e/0x80 [ 835.081380][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.081380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.081380][ T72] ip6_route_add+0x1c/0x140 [ 835.081380][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 835.081380][ T72] addrconf_add_dev+0xe2/0x170 [ 835.081380][ T72] inet6_addr_add+0x12f/0xa40 [ 835.081380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.081380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.081380][ T72] netlink_rcv_skb+0x130/0x360 [ 835.081380][ T72] netlink_unicast+0x449/0x710 [ 835.081380][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.081380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.081380][ T72] ___sys_sendmsg+0xee/0x170 [ 835.081380][ T72] __sys_sendmsg+0xcd/0x170 [ 835.081380][ T72] do_syscall_64+0xc6/0x1e0 [ 835.081380][ T72] [ 835.083464][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 835.083464][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 835.083464][ T72] ipv6_find_idev+0x102/0x170 [ 835.083464][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.083464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.083464][ T72] netlink_rcv_skb+0x130/0x360 [ 835.083464][ T72] netlink_unicast+0x449/0x710 [ 835.083464][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.083464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.083464][ T72] ___sys_sendmsg+0xee/0x170 [ 835.083464][ T72] __sys_sendmsg+0xcd/0x170 [ 835.083464][ T72] do_syscall_64+0xc6/0x1e0 [ 835.083464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.083464][ T72] [ 835.085023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 835.085023][ T72] neigh_parms_alloc+0x1e5/0x510 [ 835.085023][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 835.085023][ T72] ipv6_find_idev+0x102/0x170 [ 835.085023][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.085023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.085023][ T72] netlink_rcv_skb+0x130/0x360 [ 835.085023][ T72] netlink_unicast+0x449/0x710 [ 835.085023][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.085023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.085023][ T72] ___sys_sendmsg+0xee/0x170 [ 835.085023][ T72] __sys_sendmsg+0xcd/0x170 [ 835.085023][ T72] do_syscall_64+0xc6/0x1e0 [ 835.085023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.085023][ T72] [ 835.086764][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 835.087064][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 835.087064][ T72] dst_init+0x84/0x4a0 [ 835.087064][ T72] dst_alloc+0x97/0x150 [ 835.087064][ T72] ip6_dst_alloc+0x23/0x90 [ 835.087064][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 835.087064][ T72] ip6_pol_route+0x56f/0x840 [ 835.087064][ T72] fib6_rule_lookup+0x456/0x630 [ 835.087064][ T72] ip6_route_input+0x59c/0xa50 [ 835.087064][ T72] ipv6_rcv+0x397/0x810 [ 835.087064][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 835.087064][ T72] process_backlog+0x101/0x620 [ 835.087064][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 835.087064][ T72] net_rx_action+0x495/0xbe0 [ 835.087064][ T72] __do_softirq+0x1b5/0x7f6 [ 835.087064][ T72] [ 835.088726][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 835.088726][ T72] netdev_get_by_index+0x5e/0x80 [ 835.088726][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.088726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.088726][ T72] addrconf_f6i_alloc+0x265/0x560 [ 835.088726][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 835.088726][ T72] addrconf_join_anycast+0x1c0/0x220 [ 835.088726][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 835.088726][ T72] addrconf_dad_completed+0x12b/0xe20 [ 835.088726][ T72] addrconf_dad_begin+0x310/0x670 [ 835.088726][ T72] addrconf_dad_work+0x10b/0xab0 [ 835.088726][ T72] process_one_work+0x84d/0x18a0 [ 835.088726][ T72] worker_thread+0x587/0xd30 [ 835.088726][ T72] kthread+0x28a/0x350 [ 835.088726][ T72] ret_from_fork+0x31/0x70 [ 835.088726][ T72] ret_from_fork_asm+0x1a/0x30 [ 835.088726][ T72] [ 835.090643][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 835.090643][ T72] netdev_get_by_index+0x5e/0x80 [ 835.090643][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.090643][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.090643][ T72] ip6_route_add+0x1c/0x140 [ 835.090643][ T72] addrconf_prefix_route+0x2a6/0x430 [ 835.090643][ T72] inet6_addr_add+0x4f8/0xa40 [ 835.090643][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.090643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.090643][ T72] netlink_rcv_skb+0x130/0x360 [ 835.090643][ T72] netlink_unicast+0x449/0x710 [ 835.090643][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.090643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.090643][ T72] ___sys_sendmsg+0xee/0x170 [ 835.090643][ T72] __sys_sendmsg+0xcd/0x170 [ 835.090643][ T72] do_syscall_64+0xc6/0x1e0 [ 835.090643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.090643][ T72] [ 835.092687][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 835.092687][ T72] netdev_get_by_index+0x5e/0x80 [ 835.092687][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.092687][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.092687][ T72] addrconf_f6i_alloc+0x315/0x560 [ 835.092687][ T72] ipv6_add_addr+0x411/0x2000 [ 835.092687][ T72] inet6_addr_add+0x30e/0xa40 [ 835.092687][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.092687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.092687][ T72] netlink_rcv_skb+0x130/0x360 [ 835.092687][ T72] netlink_unicast+0x449/0x710 [ 835.092687][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.092687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.092687][ T72] ___sys_sendmsg+0xee/0x170 [ 835.092687][ T72] __sys_sendmsg+0xcd/0x170 [ 835.092687][ T72] do_syscall_64+0xc6/0x1e0 [ 835.092687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.092687][ T72] [ 835.094713][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 835.094713][ T72] netdev_get_by_index+0x5e/0x80 [ 835.094713][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.094713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.094713][ T72] ip6_route_add+0x1c/0x140 [ 835.094713][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 835.094713][ T72] addrconf_add_dev+0xe2/0x170 [ 835.094713][ T72] inet6_addr_add+0x12f/0xa40 [ 835.094713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.094713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.094713][ T72] netlink_rcv_skb+0x130/0x360 [ 835.094713][ T72] netlink_unicast+0x449/0x710 [ 835.094713][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.094713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.094713][ T72] ___sys_sendmsg+0xee/0x170 [ 835.094713][ T72] __sys_sendmsg+0xcd/0x170 [ 835.094713][ T72] do_syscall_64+0xc6/0x1e0 [ 835.094713][ T72] [ 835.096699][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 835.096699][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 835.096699][ T72] ipv6_find_idev+0x102/0x170 [ 835.096699][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.096699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.096699][ T72] netlink_rcv_skb+0x130/0x360 [ 835.096699][ T72] netlink_unicast+0x449/0x710 [ 835.096699][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.096699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.096699][ T72] ___sys_sendmsg+0xee/0x170 [ 835.096699][ T72] __sys_sendmsg+0xcd/0x170 [ 835.096699][ T72] do_syscall_64+0xc6/0x1e0 [ 835.096699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.096699][ T72] [ 835.098246][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 835.098246][ T72] neigh_parms_alloc+0x1e5/0x510 [ 835.098246][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 835.098246][ T72] ipv6_find_idev+0x102/0x170 [ 835.098246][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.098246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.098246][ T72] netlink_rcv_skb+0x130/0x360 [ 835.098246][ T72] netlink_unicast+0x449/0x710 [ 835.098246][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.098246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.098246][ T72] ___sys_sendmsg+0xee/0x170 [ 835.098246][ T72] __sys_sendmsg+0xcd/0x170 [ 835.098246][ T72] do_syscall_64+0xc6/0x1e0 [ 835.098246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.098246][ T72] [ 835.100089][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 835.100380][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 835.100380][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 835.100380][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 835.100380][ T72] fib6_nh_init+0xa22/0x1580 [ 835.100380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.100380][ T72] ip6_route_add+0x1c/0x140 [ 835.100380][ T72] inet6_rtm_newroute+0x104/0x110 [ 835.100380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.100380][ T72] netlink_rcv_skb+0x130/0x360 [ 835.100380][ T72] netlink_unicast+0x449/0x710 [ 835.100380][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.100380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.100380][ T72] ___sys_sendmsg+0xee/0x170 [ 835.100380][ T72] __sys_sendmsg+0xcd/0x170 [ 835.100380][ T72] do_syscall_64+0xc6/0x1e0 [ 835.100380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.100380][ T72] [ 835.102572][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 835.102572][ T72] dst_init+0x84/0x4a0 [ 835.102572][ T72] dst_alloc+0x97/0x150 [ 835.102572][ T72] ip6_dst_alloc+0x23/0x90 [ 835.102572][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 835.102572][ T72] ip6_pol_route+0x56f/0x840 [ 835.102572][ T72] fib6_rule_lookup+0x456/0x630 [ 835.102572][ T72] ip6_route_input+0x59c/0xa50 [ 835.102572][ T72] ipv6_rcv+0x397/0x810 [ 835.102572][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 835.102572][ T72] process_backlog+0x101/0x620 [ 835.102572][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 835.102572][ T72] net_rx_action+0x495/0xbe0 [ 835.102572][ T72] __do_softirq+0x1b5/0x7f6 [ 835.102572][ T72] [ 835.104413][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 835.104413][ T72] netdev_get_by_index+0x5e/0x80 [ 835.104413][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.104413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.104413][ T72] ip6_route_add+0x1c/0x140 [ 835.104413][ T72] addrconf_prefix_route+0x2a6/0x430 [ 835.104413][ T72] inet6_addr_add+0x4f8/0xa40 [ 835.104413][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.104413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.104413][ T72] netlink_rcv_skb+0x130/0x360 [ 835.104413][ T72] netlink_unicast+0x449/0x710 [ 835.104413][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.104413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.104413][ T72] ___sys_sendmsg+0xee/0x170 [ 835.104413][ T72] __sys_sendmsg+0xcd/0x170 [ 835.104413][ T72] do_syscall_64+0xc6/0x1e0 [ 835.104413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.104413][ T72] [ 835.106665][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 835.106665][ T72] netdev_get_by_index+0x5e/0x80 [ 835.106665][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.106665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.106665][ T72] addrconf_f6i_alloc+0x315/0x560 [ 835.106665][ T72] ipv6_add_addr+0x411/0x2000 [ 835.106665][ T72] inet6_addr_add+0x30e/0xa40 [ 835.106665][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.106665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.106665][ T72] netlink_rcv_skb+0x130/0x360 [ 835.106665][ T72] netlink_unicast+0x449/0x710 [ 835.106665][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.106665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.106665][ T72] ___sys_sendmsg+0xee/0x170 [ 835.106665][ T72] __sys_sendmsg+0xcd/0x170 [ 835.106665][ T72] do_syscall_64+0xc6/0x1e0 [ 835.106665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.106665][ T72] [ 835.108850][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 835.108850][ T72] netdev_get_by_index+0x5e/0x80 [ 835.108850][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.108850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.108850][ T72] ip6_route_add+0x1c/0x140 [ 835.108850][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 835.108850][ T72] addrconf_add_dev+0xe2/0x170 [ 835.108850][ T72] inet6_addr_add+0x12f/0xa40 [ 835.108850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.108850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.108850][ T72] netlink_rcv_skb+0x130/0x360 [ 835.108850][ T72] netlink_unicast+0x449/0x710 [ 835.108850][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.108850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.108850][ T72] ___sys_sendmsg+0xee/0x170 [ 835.108850][ T72] __sys_sendmsg+0xcd/0x170 [ 835.108850][ T72] do_syscall_64+0xc6/0x1e0 [ 835.108850][ T72] [ 835.111203][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 835.111203][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 835.111203][ T72] ipv6_find_idev+0x102/0x170 [ 835.111203][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.111203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.111203][ T72] netlink_rcv_skb+0x130/0x360 [ 835.111203][ T72] netlink_unicast+0x449/0x710 [ 835.111203][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.111203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.111203][ T72] ___sys_sendmsg+0xee/0x170 [ 835.111203][ T72] __sys_sendmsg+0xcd/0x170 [ 835.111203][ T72] do_syscall_64+0xc6/0x1e0 [ 835.111203][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.111203][ T72] [ 835.112947][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 835.112947][ T72] neigh_parms_alloc+0x1e5/0x510 [ 835.112947][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 835.112947][ T72] ipv6_find_idev+0x102/0x170 [ 835.112947][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.112947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.112947][ T72] netlink_rcv_skb+0x130/0x360 [ 835.112947][ T72] netlink_unicast+0x449/0x710 [ 835.112947][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.112947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.112947][ T72] ___sys_sendmsg+0xee/0x170 [ 835.112947][ T72] __sys_sendmsg+0xcd/0x170 [ 835.112947][ T72] do_syscall_64+0xc6/0x1e0 [ 835.112947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.112947][ T72] [ 835.114859][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 835.115211][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 835.115211][ T72] netdev_get_by_index+0x5e/0x80 [ 835.115211][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.115211][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.115211][ T72] addrconf_f6i_alloc+0x265/0x560 [ 835.115211][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 835.115211][ T72] addrconf_join_anycast+0x1c0/0x220 [ 835.115211][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 835.115211][ T72] addrconf_dad_completed+0x12b/0xe20 [ 835.115211][ T72] addrconf_dad_begin+0x310/0x670 [ 835.115211][ T72] addrconf_dad_work+0x10b/0xab0 [ 835.115211][ T72] process_one_work+0x84d/0x18a0 [ 835.115211][ T72] worker_thread+0x587/0xd30 [ 835.115211][ T72] kthread+0x28a/0x350 [ 835.115211][ T72] ret_from_fork+0x31/0x70 [ 835.115211][ T72] ret_from_fork_asm+0x1a/0x30 [ 835.115211][ T72] [ 835.117267][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 835.117267][ T72] netdev_get_by_index+0x5e/0x80 [ 835.117267][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.117267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.117267][ T72] ip6_route_add+0x1c/0x140 [ 835.117267][ T72] addrconf_prefix_route+0x2a6/0x430 [ 835.117267][ T72] inet6_addr_add+0x4f8/0xa40 [ 835.117267][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.117267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.117267][ T72] netlink_rcv_skb+0x130/0x360 [ 835.117267][ T72] netlink_unicast+0x449/0x710 [ 835.117267][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.117267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.117267][ T72] ___sys_sendmsg+0xee/0x170 [ 835.117267][ T72] __sys_sendmsg+0xcd/0x170 [ 835.117267][ T72] do_syscall_64+0xc6/0x1e0 [ 835.117267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.117267][ T72] [ 835.119537][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 835.119537][ T72] netdev_get_by_index+0x5e/0x80 [ 835.119537][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.119537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.119537][ T72] addrconf_f6i_alloc+0x315/0x560 [ 835.119537][ T72] ipv6_add_addr+0x411/0x2000 [ 835.119537][ T72] inet6_addr_add+0x30e/0xa40 [ 835.119537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.119537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.119537][ T72] netlink_rcv_skb+0x130/0x360 [ 835.119537][ T72] netlink_unicast+0x449/0x710 [ 835.119537][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.119537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.119537][ T72] ___sys_sendmsg+0xee/0x170 [ 835.119537][ T72] __sys_sendmsg+0xcd/0x170 [ 835.119537][ T72] do_syscall_64+0xc6/0x1e0 [ 835.119537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.119537][ T72] [ 835.121858][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 835.121858][ T72] netdev_get_by_index+0x5e/0x80 [ 835.121858][ T72] fib6_nh_init+0x3d8/0x1580 [ 835.121858][ T72] ip6_route_info_create+0xf18/0x17d0 [ 835.121858][ T72] ip6_route_add+0x1c/0x140 [ 835.121858][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 835.121858][ T72] addrconf_add_dev+0xe2/0x170 [ 835.121858][ T72] inet6_addr_add+0x12f/0xa40 [ 835.121858][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 835.121858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.121858][ T72] netlink_rcv_skb+0x130/0x360 [ 835.121858][ T72] netlink_unicast+0x449/0x710 [ 835.121858][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.121858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.121858][ T72] ___sys_sendmsg+0xee/0x170 [ 835.121858][ T72] __sys_sendmsg+0xcd/0x170 [ 835.121858][ T72] do_syscall_64+0xc6/0x1e0 [ 835.121858][ T72] [ 835.124100][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 835.124100][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 835.124100][ T72] ipv6_find_idev+0x102/0x170 [ 835.124100][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.124100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.124100][ T72] netlink_rcv_skb+0x130/0x360 [ 835.124100][ T72] netlink_unicast+0x449/0x710 [ 835.124100][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.124100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.124100][ T72] ___sys_sendmsg+0xee/0x170 [ 835.124100][ T72] __sys_sendmsg+0xcd/0x170 [ 835.124100][ T72] do_syscall_64+0xc6/0x1e0 [ 835.124100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.124100][ T72] [ 835.125837][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 835.125837][ T72] neigh_parms_alloc+0x1e5/0x510 [ 835.125837][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 835.125837][ T72] ipv6_find_idev+0x102/0x170 [ 835.125837][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.125837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.125837][ T72] netlink_rcv_skb+0x130/0x360 [ 835.125837][ T72] netlink_unicast+0x449/0x710 [ 835.125837][ T72] netlink_sendmsg+0x723/0xbe0 [ 835.125837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 835.125837][ T72] ___sys_sendmsg+0xee/0x170 [ 835.125837][ T72] __sys_sendmsg+0xcd/0x170 [ 835.125837][ T72] do_syscall_64+0xc6/0x1e0 [ 835.125837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.125837][ T72] [ 845.569023][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 845.569471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 845.569471][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 845.569471][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 845.569471][ T72] fib6_nh_init+0xa22/0x1580 [ 845.569471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.569471][ T72] ip6_route_add+0x1c/0x140 [ 845.569471][ T72] inet6_rtm_newroute+0x104/0x110 [ 845.569471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.569471][ T72] netlink_rcv_skb+0x130/0x360 [ 845.569471][ T72] netlink_unicast+0x449/0x710 [ 845.569471][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.569471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.569471][ T72] ___sys_sendmsg+0xee/0x170 [ 845.569471][ T72] __sys_sendmsg+0xcd/0x170 [ 845.569471][ T72] do_syscall_64+0xc6/0x1e0 [ 845.569471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.569471][ T72] [ 845.571382][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 845.571382][ T72] dst_init+0x84/0x4a0 [ 845.571382][ T72] dst_alloc+0x97/0x150 [ 845.571382][ T72] ip6_dst_alloc+0x23/0x90 [ 845.571382][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 845.571382][ T72] ip6_pol_route+0x56f/0x840 [ 845.571382][ T72] fib6_rule_lookup+0x456/0x630 [ 845.571382][ T72] ip6_route_input+0x59c/0xa50 [ 845.571382][ T72] ipv6_rcv+0x397/0x810 [ 845.571382][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 845.571382][ T72] process_backlog+0x101/0x620 [ 845.571382][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 845.571382][ T72] net_rx_action+0x495/0xbe0 [ 845.571382][ T72] __do_softirq+0x1b5/0x7f6 [ 845.571382][ T72] [ 845.573009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 845.573009][ T72] netdev_get_by_index+0x5e/0x80 [ 845.573009][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.573009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.573009][ T72] ip6_route_add+0x1c/0x140 [ 845.573009][ T72] addrconf_prefix_route+0x2a6/0x430 [ 845.573009][ T72] inet6_addr_add+0x4f8/0xa40 [ 845.573009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.573009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.573009][ T72] netlink_rcv_skb+0x130/0x360 [ 845.573009][ T72] netlink_unicast+0x449/0x710 [ 845.573009][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.573009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.573009][ T72] ___sys_sendmsg+0xee/0x170 [ 845.573009][ T72] __sys_sendmsg+0xcd/0x170 [ 845.573009][ T72] do_syscall_64+0xc6/0x1e0 [ 845.573009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.573009][ T72] [ 845.575273][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 845.575273][ T72] netdev_get_by_index+0x5e/0x80 [ 845.575273][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.575273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.575273][ T72] addrconf_f6i_alloc+0x315/0x560 [ 845.575273][ T72] ipv6_add_addr+0x411/0x2000 [ 845.575273][ T72] inet6_addr_add+0x30e/0xa40 [ 845.575273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.575273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.575273][ T72] netlink_rcv_skb+0x130/0x360 [ 845.575273][ T72] netlink_unicast+0x449/0x710 [ 845.575273][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.575273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.575273][ T72] ___sys_sendmsg+0xee/0x170 [ 845.575273][ T72] __sys_sendmsg+0xcd/0x170 [ 845.575273][ T72] do_syscall_64+0xc6/0x1e0 [ 845.575273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.575273][ T72] [ 845.577498][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 845.577498][ T72] netdev_get_by_index+0x5e/0x80 [ 845.577498][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.577498][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.577498][ T72] ip6_route_add+0x1c/0x140 [ 845.577498][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 845.577498][ T72] addrconf_add_dev+0xe2/0x170 [ 845.577498][ T72] inet6_addr_add+0x12f/0xa40 [ 845.577498][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.577498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.577498][ T72] netlink_rcv_skb+0x130/0x360 [ 845.577498][ T72] netlink_unicast+0x449/0x710 [ 845.577498][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.577498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.577498][ T72] ___sys_sendmsg+0xee/0x170 [ 845.577498][ T72] __sys_sendmsg+0xcd/0x170 [ 845.577498][ T72] do_syscall_64+0xc6/0x1e0 [ 845.577498][ T72] [ 845.579672][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 845.579672][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 845.579672][ T72] ipv6_find_idev+0x102/0x170 [ 845.579672][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 845.579672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.579672][ T72] netlink_rcv_skb+0x130/0x360 [ 845.579672][ T72] netlink_unicast+0x449/0x710 [ 845.579672][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.579672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.579672][ T72] ___sys_sendmsg+0xee/0x170 [ 845.579672][ T72] __sys_sendmsg+0xcd/0x170 [ 845.579672][ T72] do_syscall_64+0xc6/0x1e0 [ 845.579672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.579672][ T72] [ 845.581379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 845.581379][ T72] neigh_parms_alloc+0x1e5/0x510 [ 845.581379][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 845.581379][ T72] ipv6_find_idev+0x102/0x170 [ 845.581379][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 845.581379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.581379][ T72] netlink_rcv_skb+0x130/0x360 [ 845.581379][ T72] netlink_unicast+0x449/0x710 [ 845.581379][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.581379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.581379][ T72] ___sys_sendmsg+0xee/0x170 [ 845.581379][ T72] __sys_sendmsg+0xcd/0x170 [ 845.581379][ T72] do_syscall_64+0xc6/0x1e0 [ 845.581379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.581379][ T72] [ 845.583275][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 845.583576][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 845.583576][ T72] dst_init+0x84/0x4a0 [ 845.583576][ T72] dst_alloc+0x97/0x150 [ 845.583576][ T72] ip6_dst_alloc+0x23/0x90 [ 845.583576][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 845.583576][ T72] ip6_pol_route+0x56f/0x840 [ 845.583576][ T72] fib6_rule_lookup+0x456/0x630 [ 845.583576][ T72] ip6_route_input+0x59c/0xa50 [ 845.583576][ T72] ipv6_rcv+0x397/0x810 [ 845.583576][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 845.583576][ T72] process_backlog+0x101/0x620 [ 845.583576][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 845.583576][ T72] net_rx_action+0x495/0xbe0 [ 845.583576][ T72] __do_softirq+0x1b5/0x7f6 [ 845.583576][ T72] [ 845.585399][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 845.585399][ T72] netdev_get_by_index+0x5e/0x80 [ 845.585399][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.585399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.585399][ T72] addrconf_f6i_alloc+0x265/0x560 [ 845.585399][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 845.585399][ T72] addrconf_join_anycast+0x1c0/0x220 [ 845.585399][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 845.585399][ T72] addrconf_dad_completed+0x12b/0xe20 [ 845.585399][ T72] addrconf_dad_begin+0x310/0x670 [ 845.585399][ T72] addrconf_dad_work+0x10b/0xab0 [ 845.585399][ T72] process_one_work+0x84d/0x18a0 [ 845.585399][ T72] worker_thread+0x587/0xd30 [ 845.585399][ T72] kthread+0x28a/0x350 [ 845.585399][ T72] ret_from_fork+0x31/0x70 [ 845.585399][ T72] ret_from_fork_asm+0x1a/0x30 [ 845.585399][ T72] [ 845.587570][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 845.587570][ T72] netdev_get_by_index+0x5e/0x80 [ 845.587570][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.587570][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.587570][ T72] ip6_route_add+0x1c/0x140 [ 845.587570][ T72] addrconf_prefix_route+0x2a6/0x430 [ 845.587570][ T72] inet6_addr_add+0x4f8/0xa40 [ 845.587570][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.587570][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.587570][ T72] netlink_rcv_skb+0x130/0x360 [ 845.587570][ T72] netlink_unicast+0x449/0x710 [ 845.587570][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.587570][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.587570][ T72] ___sys_sendmsg+0xee/0x170 [ 845.587570][ T72] __sys_sendmsg+0xcd/0x170 [ 845.587570][ T72] do_syscall_64+0xc6/0x1e0 [ 845.587570][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.587570][ T72] [ 845.589770][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 845.589770][ T72] netdev_get_by_index+0x5e/0x80 [ 845.589770][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.589770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.589770][ T72] addrconf_f6i_alloc+0x315/0x560 [ 845.589770][ T72] ipv6_add_addr+0x411/0x2000 [ 845.589770][ T72] inet6_addr_add+0x30e/0xa40 [ 845.589770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.589770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.589770][ T72] netlink_rcv_skb+0x130/0x360 [ 845.589770][ T72] netlink_unicast+0x449/0x710 [ 845.589770][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.589770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.589770][ T72] ___sys_sendmsg+0xee/0x170 [ 845.589770][ T72] __sys_sendmsg+0xcd/0x170 [ 845.589770][ T72] do_syscall_64+0xc6/0x1e0 [ 845.589770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.589770][ T72] [ 845.591989][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 845.591989][ T72] netdev_get_by_index+0x5e/0x80 [ 845.591989][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.591989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.591989][ T72] ip6_route_add+0x1c/0x140 [ 845.591989][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 845.591989][ T72] addrconf_add_dev+0xe2/0x170 [ 845.591989][ T72] inet6_addr_add+0x12f/0xa40 [ 845.591989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.591989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.591989][ T72] netlink_rcv_skb+0x130/0x360 [ 845.591989][ T72] netlink_unicast+0x449/0x710 [ 845.591989][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.591989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.591989][ T72] ___sys_sendmsg+0xee/0x170 [ 845.591989][ T72] __sys_sendmsg+0xcd/0x170 [ 845.591989][ T72] do_syscall_64+0xc6/0x1e0 [ 845.591989][ T72] [ 845.594175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 845.594175][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 845.594175][ T72] ipv6_find_idev+0x102/0x170 [ 845.594175][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 845.594175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.594175][ T72] netlink_rcv_skb+0x130/0x360 [ 845.594175][ T72] netlink_unicast+0x449/0x710 [ 845.594175][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.594175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.594175][ T72] ___sys_sendmsg+0xee/0x170 [ 845.594175][ T72] __sys_sendmsg+0xcd/0x170 [ 845.594175][ T72] do_syscall_64+0xc6/0x1e0 [ 845.594175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.594175][ T72] [ 845.595857][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 845.595857][ T72] neigh_parms_alloc+0x1e5/0x510 [ 845.595857][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 845.595857][ T72] ipv6_find_idev+0x102/0x170 [ 845.595857][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 845.595857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.595857][ T72] netlink_rcv_skb+0x130/0x360 [ 845.595857][ T72] netlink_unicast+0x449/0x710 [ 845.595857][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.595857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.595857][ T72] ___sys_sendmsg+0xee/0x170 [ 845.595857][ T72] __sys_sendmsg+0xcd/0x170 [ 845.595857][ T72] do_syscall_64+0xc6/0x1e0 [ 845.595857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.595857][ T72] [ 845.597819][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 845.598170][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 845.598170][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 845.598170][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 845.598170][ T72] fib6_nh_init+0xa22/0x1580 [ 845.598170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.598170][ T72] ip6_route_add+0x1c/0x140 [ 845.598170][ T72] inet6_rtm_newroute+0x104/0x110 [ 845.598170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.598170][ T72] netlink_rcv_skb+0x130/0x360 [ 845.598170][ T72] netlink_unicast+0x449/0x710 [ 845.598170][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.598170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.598170][ T72] ___sys_sendmsg+0xee/0x170 [ 845.598170][ T72] __sys_sendmsg+0xcd/0x170 [ 845.598170][ T72] do_syscall_64+0xc6/0x1e0 [ 845.598170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.598170][ T72] [ 845.600440][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 845.600440][ T72] dst_init+0x84/0x4a0 [ 845.600440][ T72] dst_alloc+0x97/0x150 [ 845.600440][ T72] ip6_dst_alloc+0x23/0x90 [ 845.600440][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 845.600440][ T72] ip6_pol_route+0x56f/0x840 [ 845.600440][ T72] fib6_rule_lookup+0x456/0x630 [ 845.600440][ T72] ip6_route_input+0x59c/0xa50 [ 845.600440][ T72] ipv6_rcv+0x397/0x810 [ 845.600440][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 845.600440][ T72] process_backlog+0x101/0x620 [ 845.600440][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 845.600440][ T72] net_rx_action+0x495/0xbe0 [ 845.600440][ T72] __do_softirq+0x1b5/0x7f6 [ 845.600440][ T72] [ 845.602497][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 845.602497][ T72] netdev_get_by_index+0x5e/0x80 [ 845.602497][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.602497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.602497][ T72] ip6_route_add+0x1c/0x140 [ 845.602497][ T72] addrconf_prefix_route+0x2a6/0x430 [ 845.602497][ T72] inet6_addr_add+0x4f8/0xa40 [ 845.602497][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.602497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.602497][ T72] netlink_rcv_skb+0x130/0x360 [ 845.602497][ T72] netlink_unicast+0x449/0x710 [ 845.602497][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.602497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.602497][ T72] ___sys_sendmsg+0xee/0x170 [ 845.602497][ T72] __sys_sendmsg+0xcd/0x170 [ 845.602497][ T72] do_syscall_64+0xc6/0x1e0 [ 845.602497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.602497][ T72] [ 845.604928][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 845.604928][ T72] netdev_get_by_index+0x5e/0x80 [ 845.604928][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.604928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.604928][ T72] addrconf_f6i_alloc+0x315/0x560 [ 845.604928][ T72] ipv6_add_addr+0x411/0x2000 [ 845.604928][ T72] inet6_addr_add+0x30e/0xa40 [ 845.604928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.604928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.604928][ T72] netlink_rcv_skb+0x130/0x360 [ 845.604928][ T72] netlink_unicast+0x449/0x710 [ 845.604928][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.604928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.604928][ T72] ___sys_sendmsg+0xee/0x170 [ 845.604928][ T72] __sys_sendmsg+0xcd/0x170 [ 845.604928][ T72] do_syscall_64+0xc6/0x1e0 [ 845.604928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.604928][ T72] [ 845.607387][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 845.607387][ T72] netdev_get_by_index+0x5e/0x80 [ 845.607387][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.607387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.607387][ T72] ip6_route_add+0x1c/0x140 [ 845.607387][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 845.607387][ T72] addrconf_add_dev+0xe2/0x170 [ 845.607387][ T72] inet6_addr_add+0x12f/0xa40 [ 845.607387][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.607387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.607387][ T72] netlink_rcv_skb+0x130/0x360 [ 845.607387][ T72] netlink_unicast+0x449/0x710 [ 845.607387][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.607387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.607387][ T72] ___sys_sendmsg+0xee/0x170 [ 845.607387][ T72] __sys_sendmsg+0xcd/0x170 [ 845.607387][ T72] do_syscall_64+0xc6/0x1e0 [ 845.607387][ T72] [ 845.609861][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 845.609861][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 845.609861][ T72] ipv6_find_idev+0x102/0x170 [ 845.609861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 845.609861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.609861][ T72] netlink_rcv_skb+0x130/0x360 [ 845.609861][ T72] netlink_unicast+0x449/0x710 [ 845.609861][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.609861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.609861][ T72] ___sys_sendmsg+0xee/0x170 [ 845.609861][ T72] __sys_sendmsg+0xcd/0x170 [ 845.609861][ T72] do_syscall_64+0xc6/0x1e0 [ 845.609861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.609861][ T72] [ 845.611744][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 845.611744][ T72] neigh_parms_alloc+0x1e5/0x510 [ 845.611744][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 845.611744][ T72] ipv6_find_idev+0x102/0x170 [ 845.611744][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 845.611744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.611744][ T72] netlink_rcv_skb+0x130/0x360 [ 845.611744][ T72] netlink_unicast+0x449/0x710 [ 845.611744][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.611744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.611744][ T72] ___sys_sendmsg+0xee/0x170 [ 845.611744][ T72] __sys_sendmsg+0xcd/0x170 [ 845.611744][ T72] do_syscall_64+0xc6/0x1e0 [ 845.611744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.611744][ T72] [ 845.613813][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 845.614181][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 845.614181][ T72] netdev_get_by_index+0x5e/0x80 [ 845.614181][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.614181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.614181][ T72] addrconf_f6i_alloc+0x265/0x560 [ 845.614181][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 845.614181][ T72] addrconf_join_anycast+0x1c0/0x220 [ 845.614181][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 845.614181][ T72] addrconf_dad_completed+0x12b/0xe20 [ 845.614181][ T72] addrconf_dad_begin+0x310/0x670 [ 845.614181][ T72] addrconf_dad_work+0x10b/0xab0 [ 845.614181][ T72] process_one_work+0x84d/0x18a0 [ 845.614181][ T72] worker_thread+0x587/0xd30 [ 845.614181][ T72] kthread+0x28a/0x350 [ 845.614181][ T72] ret_from_fork+0x31/0x70 [ 845.614181][ T72] ret_from_fork_asm+0x1a/0x30 [ 845.614181][ T72] [ 845.616484][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 845.616484][ T72] netdev_get_by_index+0x5e/0x80 [ 845.616484][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.616484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.616484][ T72] ip6_route_add+0x1c/0x140 [ 845.616484][ T72] addrconf_prefix_route+0x2a6/0x430 [ 845.616484][ T72] inet6_addr_add+0x4f8/0xa40 [ 845.616484][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.616484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.616484][ T72] netlink_rcv_skb+0x130/0x360 [ 845.616484][ T72] netlink_unicast+0x449/0x710 [ 845.616484][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.616484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.616484][ T72] ___sys_sendmsg+0xee/0x170 [ 845.616484][ T72] __sys_sendmsg+0xcd/0x170 [ 845.616484][ T72] do_syscall_64+0xc6/0x1e0 [ 845.616484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.616484][ T72] [ 845.618938][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 845.618938][ T72] netdev_get_by_index+0x5e/0x80 [ 845.618938][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.618938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.618938][ T72] addrconf_f6i_alloc+0x315/0x560 [ 845.618938][ T72] ipv6_add_addr+0x411/0x2000 [ 845.618938][ T72] inet6_addr_add+0x30e/0xa40 [ 845.618938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.618938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.618938][ T72] netlink_rcv_skb+0x130/0x360 [ 845.618938][ T72] netlink_unicast+0x449/0x710 [ 845.618938][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.618938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.618938][ T72] ___sys_sendmsg+0xee/0x170 [ 845.618938][ T72] __sys_sendmsg+0xcd/0x170 [ 845.618938][ T72] do_syscall_64+0xc6/0x1e0 [ 845.618938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.618938][ T72] [ 845.622009][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 845.622009][ T72] netdev_get_by_index+0x5e/0x80 [ 845.622009][ T72] fib6_nh_init+0x3d8/0x1580 [ 845.622009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 845.622009][ T72] ip6_route_add+0x1c/0x140 [ 845.622009][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 845.622009][ T72] addrconf_add_dev+0xe2/0x170 [ 845.622009][ T72] inet6_addr_add+0x12f/0xa40 [ 845.622009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 845.622009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.622009][ T72] netlink_rcv_skb+0x130/0x360 [ 845.622009][ T72] netlink_unicast+0x449/0x710 [ 845.622009][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.622009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.622009][ T72] ___sys_sendmsg+0xee/0x170 [ 845.622009][ T72] __sys_sendmsg+0xcd/0x170 [ 845.622009][ T72] do_syscall_64+0xc6/0x1e0 [ 845.622009][ T72] [ 845.624449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 845.624449][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 845.624449][ T72] ipv6_find_idev+0x102/0x170 [ 845.624449][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 845.624449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.624449][ T72] netlink_rcv_skb+0x130/0x360 [ 845.624449][ T72] netlink_unicast+0x449/0x710 [ 845.624449][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.624449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.624449][ T72] ___sys_sendmsg+0xee/0x170 [ 845.624449][ T72] __sys_sendmsg+0xcd/0x170 [ 845.624449][ T72] do_syscall_64+0xc6/0x1e0 [ 845.624449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.624449][ T72] [ 845.626345][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 845.626345][ T72] neigh_parms_alloc+0x1e5/0x510 [ 845.626345][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 845.626345][ T72] ipv6_find_idev+0x102/0x170 [ 845.626345][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 845.626345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 845.626345][ T72] netlink_rcv_skb+0x130/0x360 [ 845.626345][ T72] netlink_unicast+0x449/0x710 [ 845.626345][ T72] netlink_sendmsg+0x723/0xbe0 [ 845.626345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 845.626345][ T72] ___sys_sendmsg+0xee/0x170 [ 845.626345][ T72] __sys_sendmsg+0xcd/0x170 [ 845.626345][ T72] do_syscall_64+0xc6/0x1e0 [ 845.626345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 845.626345][ T72] [ 855.728972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 855.729603][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 855.729603][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 855.729603][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 855.729603][ T72] fib6_nh_init+0xa22/0x1580 [ 855.729603][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.729603][ T72] ip6_route_add+0x1c/0x140 [ 855.729603][ T72] inet6_rtm_newroute+0x104/0x110 [ 855.729603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.729603][ T72] netlink_rcv_skb+0x130/0x360 [ 855.729603][ T72] netlink_unicast+0x449/0x710 [ 855.729603][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.729603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.729603][ T72] ___sys_sendmsg+0xee/0x170 [ 855.729603][ T72] __sys_sendmsg+0xcd/0x170 [ 855.729603][ T72] do_syscall_64+0xc6/0x1e0 [ 855.729603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.729603][ T72] [ 855.731513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 855.731513][ T72] dst_init+0x84/0x4a0 [ 855.731513][ T72] dst_alloc+0x97/0x150 [ 855.731513][ T72] ip6_dst_alloc+0x23/0x90 [ 855.731513][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 855.731513][ T72] ip6_pol_route+0x56f/0x840 [ 855.731513][ T72] fib6_rule_lookup+0x456/0x630 [ 855.731513][ T72] ip6_route_input+0x59c/0xa50 [ 855.731513][ T72] ipv6_rcv+0x397/0x810 [ 855.731513][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 855.731513][ T72] process_backlog+0x101/0x620 [ 855.731513][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 855.731513][ T72] net_rx_action+0x495/0xbe0 [ 855.731513][ T72] __do_softirq+0x1b5/0x7f6 [ 855.731513][ T72] [ 855.733149][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 855.733149][ T72] netdev_get_by_index+0x5e/0x80 [ 855.733149][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.733149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.733149][ T72] ip6_route_add+0x1c/0x140 [ 855.733149][ T72] addrconf_prefix_route+0x2a6/0x430 [ 855.733149][ T72] inet6_addr_add+0x4f8/0xa40 [ 855.733149][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.733149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.733149][ T72] netlink_rcv_skb+0x130/0x360 [ 855.733149][ T72] netlink_unicast+0x449/0x710 [ 855.733149][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.733149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.733149][ T72] ___sys_sendmsg+0xee/0x170 [ 855.733149][ T72] __sys_sendmsg+0xcd/0x170 [ 855.733149][ T72] do_syscall_64+0xc6/0x1e0 [ 855.733149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.733149][ T72] [ 855.735253][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 855.735253][ T72] netdev_get_by_index+0x5e/0x80 [ 855.735253][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.735253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.735253][ T72] addrconf_f6i_alloc+0x315/0x560 [ 855.735253][ T72] ipv6_add_addr+0x411/0x2000 [ 855.735253][ T72] inet6_addr_add+0x30e/0xa40 [ 855.735253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.735253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.735253][ T72] netlink_rcv_skb+0x130/0x360 [ 855.735253][ T72] netlink_unicast+0x449/0x710 [ 855.735253][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.735253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.735253][ T72] ___sys_sendmsg+0xee/0x170 [ 855.735253][ T72] __sys_sendmsg+0xcd/0x170 [ 855.735253][ T72] do_syscall_64+0xc6/0x1e0 [ 855.735253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.735253][ T72] [ 855.737241][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 855.737241][ T72] netdev_get_by_index+0x5e/0x80 [ 855.737241][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.737241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.737241][ T72] ip6_route_add+0x1c/0x140 [ 855.737241][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 855.737241][ T72] addrconf_add_dev+0xe2/0x170 [ 855.737241][ T72] inet6_addr_add+0x12f/0xa40 [ 855.737241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.737241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.737241][ T72] netlink_rcv_skb+0x130/0x360 [ 855.737241][ T72] netlink_unicast+0x449/0x710 [ 855.737241][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.737241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.737241][ T72] ___sys_sendmsg+0xee/0x170 [ 855.737241][ T72] __sys_sendmsg+0xcd/0x170 [ 855.737241][ T72] do_syscall_64+0xc6/0x1e0 [ 855.737241][ T72] [ 855.739204][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 855.739204][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 855.739204][ T72] ipv6_find_idev+0x102/0x170 [ 855.739204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 855.739204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.739204][ T72] netlink_rcv_skb+0x130/0x360 [ 855.739204][ T72] netlink_unicast+0x449/0x710 [ 855.739204][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.739204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.739204][ T72] ___sys_sendmsg+0xee/0x170 [ 855.739204][ T72] __sys_sendmsg+0xcd/0x170 [ 855.739204][ T72] do_syscall_64+0xc6/0x1e0 [ 855.739204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.739204][ T72] [ 855.740744][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 855.740744][ T72] neigh_parms_alloc+0x1e5/0x510 [ 855.740744][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 855.740744][ T72] ipv6_find_idev+0x102/0x170 [ 855.740744][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 855.740744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.740744][ T72] netlink_rcv_skb+0x130/0x360 [ 855.740744][ T72] netlink_unicast+0x449/0x710 [ 855.740744][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.740744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.740744][ T72] ___sys_sendmsg+0xee/0x170 [ 855.740744][ T72] __sys_sendmsg+0xcd/0x170 [ 855.740744][ T72] do_syscall_64+0xc6/0x1e0 [ 855.740744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.740744][ T72] [ 855.742455][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 855.742733][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 855.742733][ T72] dst_init+0x84/0x4a0 [ 855.742733][ T72] dst_alloc+0x97/0x150 [ 855.742733][ T72] ip6_dst_alloc+0x23/0x90 [ 855.742733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 855.742733][ T72] ip6_pol_route+0x56f/0x840 [ 855.742733][ T72] fib6_rule_lookup+0x456/0x630 [ 855.742733][ T72] ip6_route_input+0x59c/0xa50 [ 855.742733][ T72] ipv6_rcv+0x397/0x810 [ 855.742733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 855.742733][ T72] process_backlog+0x101/0x620 [ 855.742733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 855.742733][ T72] net_rx_action+0x495/0xbe0 [ 855.742733][ T72] __do_softirq+0x1b5/0x7f6 [ 855.742733][ T72] [ 855.744370][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 855.744370][ T72] netdev_get_by_index+0x5e/0x80 [ 855.744370][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.744370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.744370][ T72] addrconf_f6i_alloc+0x265/0x560 [ 855.744370][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 855.744370][ T72] addrconf_join_anycast+0x1c0/0x220 [ 855.744370][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 855.744370][ T72] addrconf_dad_completed+0x12b/0xe20 [ 855.744370][ T72] addrconf_dad_begin+0x310/0x670 [ 855.744370][ T72] addrconf_dad_work+0x10b/0xab0 [ 855.744370][ T72] process_one_work+0x84d/0x18a0 [ 855.744370][ T72] worker_thread+0x587/0xd30 [ 855.744370][ T72] kthread+0x28a/0x350 [ 855.744370][ T72] ret_from_fork+0x31/0x70 [ 855.744370][ T72] ret_from_fork_asm+0x1a/0x30 [ 855.744370][ T72] [ 855.746268][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 855.746268][ T72] netdev_get_by_index+0x5e/0x80 [ 855.746268][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.746268][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.746268][ T72] ip6_route_add+0x1c/0x140 [ 855.746268][ T72] addrconf_prefix_route+0x2a6/0x430 [ 855.746268][ T72] inet6_addr_add+0x4f8/0xa40 [ 855.746268][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.746268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.746268][ T72] netlink_rcv_skb+0x130/0x360 [ 855.746268][ T72] netlink_unicast+0x449/0x710 [ 855.746268][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.746268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.746268][ T72] ___sys_sendmsg+0xee/0x170 [ 855.746268][ T72] __sys_sendmsg+0xcd/0x170 [ 855.746268][ T72] do_syscall_64+0xc6/0x1e0 [ 855.746268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.746268][ T72] [ 855.748249][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 855.748249][ T72] netdev_get_by_index+0x5e/0x80 [ 855.748249][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.748249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.748249][ T72] addrconf_f6i_alloc+0x315/0x560 [ 855.748249][ T72] ipv6_add_addr+0x411/0x2000 [ 855.748249][ T72] inet6_addr_add+0x30e/0xa40 [ 855.748249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.748249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.748249][ T72] netlink_rcv_skb+0x130/0x360 [ 855.748249][ T72] netlink_unicast+0x449/0x710 [ 855.748249][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.748249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.748249][ T72] ___sys_sendmsg+0xee/0x170 [ 855.748249][ T72] __sys_sendmsg+0xcd/0x170 [ 855.748249][ T72] do_syscall_64+0xc6/0x1e0 [ 855.748249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.748249][ T72] [ 855.750232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 855.750232][ T72] netdev_get_by_index+0x5e/0x80 [ 855.750232][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.750232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.750232][ T72] ip6_route_add+0x1c/0x140 [ 855.750232][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 855.750232][ T72] addrconf_add_dev+0xe2/0x170 [ 855.750232][ T72] inet6_addr_add+0x12f/0xa40 [ 855.750232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.750232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.750232][ T72] netlink_rcv_skb+0x130/0x360 [ 855.750232][ T72] netlink_unicast+0x449/0x710 [ 855.750232][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.750232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.750232][ T72] ___sys_sendmsg+0xee/0x170 [ 855.750232][ T72] __sys_sendmsg+0xcd/0x170 [ 855.750232][ T72] do_syscall_64+0xc6/0x1e0 [ 855.750232][ T72] [ 855.752206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 855.752206][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 855.752206][ T72] ipv6_find_idev+0x102/0x170 [ 855.752206][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 855.752206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.752206][ T72] netlink_rcv_skb+0x130/0x360 [ 855.752206][ T72] netlink_unicast+0x449/0x710 [ 855.752206][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.752206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.752206][ T72] ___sys_sendmsg+0xee/0x170 [ 855.752206][ T72] __sys_sendmsg+0xcd/0x170 [ 855.752206][ T72] do_syscall_64+0xc6/0x1e0 [ 855.752206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.752206][ T72] [ 855.753757][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 855.753757][ T72] neigh_parms_alloc+0x1e5/0x510 [ 855.753757][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 855.753757][ T72] ipv6_find_idev+0x102/0x170 [ 855.753757][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 855.753757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.753757][ T72] netlink_rcv_skb+0x130/0x360 [ 855.753757][ T72] netlink_unicast+0x449/0x710 [ 855.753757][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.753757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.753757][ T72] ___sys_sendmsg+0xee/0x170 [ 855.753757][ T72] __sys_sendmsg+0xcd/0x170 [ 855.753757][ T72] do_syscall_64+0xc6/0x1e0 [ 855.753757][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.753757][ T72] [ 855.755511][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 855.755858][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 855.755858][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 855.755858][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 855.755858][ T72] fib6_nh_init+0xa22/0x1580 [ 855.755858][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.755858][ T72] ip6_route_add+0x1c/0x140 [ 855.755858][ T72] inet6_rtm_newroute+0x104/0x110 [ 855.755858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.755858][ T72] netlink_rcv_skb+0x130/0x360 [ 855.755858][ T72] netlink_unicast+0x449/0x710 [ 855.755858][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.755858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.755858][ T72] ___sys_sendmsg+0xee/0x170 [ 855.755858][ T72] __sys_sendmsg+0xcd/0x170 [ 855.755858][ T72] do_syscall_64+0xc6/0x1e0 [ 855.755858][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.755858][ T72] [ 855.757960][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 855.757960][ T72] dst_init+0x84/0x4a0 [ 855.757960][ T72] dst_alloc+0x97/0x150 [ 855.757960][ T72] ip6_dst_alloc+0x23/0x90 [ 855.757960][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 855.757960][ T72] ip6_pol_route+0x56f/0x840 [ 855.757960][ T72] fib6_rule_lookup+0x456/0x630 [ 855.757960][ T72] ip6_route_input+0x59c/0xa50 [ 855.757960][ T72] ipv6_rcv+0x397/0x810 [ 855.757960][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 855.757960][ T72] process_backlog+0x101/0x620 [ 855.757960][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 855.757960][ T72] net_rx_action+0x495/0xbe0 [ 855.757960][ T72] __do_softirq+0x1b5/0x7f6 [ 855.757960][ T72] [ 855.759836][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 855.759836][ T72] netdev_get_by_index+0x5e/0x80 [ 855.759836][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.759836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.759836][ T72] ip6_route_add+0x1c/0x140 [ 855.759836][ T72] addrconf_prefix_route+0x2a6/0x430 [ 855.759836][ T72] inet6_addr_add+0x4f8/0xa40 [ 855.759836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.759836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.759836][ T72] netlink_rcv_skb+0x130/0x360 [ 855.759836][ T72] netlink_unicast+0x449/0x710 [ 855.759836][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.759836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.759836][ T72] ___sys_sendmsg+0xee/0x170 [ 855.759836][ T72] __sys_sendmsg+0xcd/0x170 [ 855.759836][ T72] do_syscall_64+0xc6/0x1e0 [ 855.759836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.759836][ T72] [ 855.762006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 855.762006][ T72] netdev_get_by_index+0x5e/0x80 [ 855.762006][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.762006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.762006][ T72] addrconf_f6i_alloc+0x315/0x560 [ 855.762006][ T72] ipv6_add_addr+0x411/0x2000 [ 855.762006][ T72] inet6_addr_add+0x30e/0xa40 [ 855.762006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.762006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.762006][ T72] netlink_rcv_skb+0x130/0x360 [ 855.762006][ T72] netlink_unicast+0x449/0x710 [ 855.762006][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.762006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.762006][ T72] ___sys_sendmsg+0xee/0x170 [ 855.762006][ T72] __sys_sendmsg+0xcd/0x170 [ 855.762006][ T72] do_syscall_64+0xc6/0x1e0 [ 855.762006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.762006][ T72] [ 855.764258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 855.764258][ T72] netdev_get_by_index+0x5e/0x80 [ 855.764258][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.764258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.764258][ T72] ip6_route_add+0x1c/0x140 [ 855.764258][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 855.764258][ T72] addrconf_add_dev+0xe2/0x170 [ 855.764258][ T72] inet6_addr_add+0x12f/0xa40 [ 855.764258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.764258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.764258][ T72] netlink_rcv_skb+0x130/0x360 [ 855.764258][ T72] netlink_unicast+0x449/0x710 [ 855.764258][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.764258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.764258][ T72] ___sys_sendmsg+0xee/0x170 [ 855.764258][ T72] __sys_sendmsg+0xcd/0x170 [ 855.764258][ T72] do_syscall_64+0xc6/0x1e0 [ 855.764258][ T72] [ 855.766453][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 855.766453][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 855.766453][ T72] ipv6_find_idev+0x102/0x170 [ 855.766453][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 855.766453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.766453][ T72] netlink_rcv_skb+0x130/0x360 [ 855.766453][ T72] netlink_unicast+0x449/0x710 [ 855.766453][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.766453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.766453][ T72] ___sys_sendmsg+0xee/0x170 [ 855.766453][ T72] __sys_sendmsg+0xcd/0x170 [ 855.766453][ T72] do_syscall_64+0xc6/0x1e0 [ 855.766453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.766453][ T72] [ 855.768169][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 855.768169][ T72] neigh_parms_alloc+0x1e5/0x510 [ 855.768169][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 855.768169][ T72] ipv6_find_idev+0x102/0x170 [ 855.768169][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 855.768169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.768169][ T72] netlink_rcv_skb+0x130/0x360 [ 855.768169][ T72] netlink_unicast+0x449/0x710 [ 855.768169][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.768169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.768169][ T72] ___sys_sendmsg+0xee/0x170 [ 855.768169][ T72] __sys_sendmsg+0xcd/0x170 [ 855.768169][ T72] do_syscall_64+0xc6/0x1e0 [ 855.768169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.768169][ T72] [ 855.770034][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 855.770375][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 855.770375][ T72] netdev_get_by_index+0x5e/0x80 [ 855.770375][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.770375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.770375][ T72] addrconf_f6i_alloc+0x265/0x560 [ 855.770375][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 855.770375][ T72] addrconf_join_anycast+0x1c0/0x220 [ 855.770375][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 855.770375][ T72] addrconf_dad_completed+0x12b/0xe20 [ 855.770375][ T72] addrconf_dad_begin+0x310/0x670 [ 855.770375][ T72] addrconf_dad_work+0x10b/0xab0 [ 855.770375][ T72] process_one_work+0x84d/0x18a0 [ 855.770375][ T72] worker_thread+0x587/0xd30 [ 855.770375][ T72] kthread+0x28a/0x350 [ 855.770375][ T72] ret_from_fork+0x31/0x70 [ 855.770375][ T72] ret_from_fork_asm+0x1a/0x30 [ 855.770375][ T72] [ 855.772487][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 855.772487][ T72] netdev_get_by_index+0x5e/0x80 [ 855.772487][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.772487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.772487][ T72] ip6_route_add+0x1c/0x140 [ 855.772487][ T72] addrconf_prefix_route+0x2a6/0x430 [ 855.772487][ T72] inet6_addr_add+0x4f8/0xa40 [ 855.772487][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.772487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.772487][ T72] netlink_rcv_skb+0x130/0x360 [ 855.772487][ T72] netlink_unicast+0x449/0x710 [ 855.772487][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.772487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.772487][ T72] ___sys_sendmsg+0xee/0x170 [ 855.772487][ T72] __sys_sendmsg+0xcd/0x170 [ 855.772487][ T72] do_syscall_64+0xc6/0x1e0 [ 855.772487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.772487][ T72] [ 855.774729][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 855.774729][ T72] netdev_get_by_index+0x5e/0x80 [ 855.774729][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.774729][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.774729][ T72] addrconf_f6i_alloc+0x315/0x560 [ 855.774729][ T72] ipv6_add_addr+0x411/0x2000 [ 855.774729][ T72] inet6_addr_add+0x30e/0xa40 [ 855.774729][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.774729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.774729][ T72] netlink_rcv_skb+0x130/0x360 [ 855.774729][ T72] netlink_unicast+0x449/0x710 [ 855.774729][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.774729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.774729][ T72] ___sys_sendmsg+0xee/0x170 [ 855.774729][ T72] __sys_sendmsg+0xcd/0x170 [ 855.774729][ T72] do_syscall_64+0xc6/0x1e0 [ 855.774729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.774729][ T72] [ 855.777035][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 855.777035][ T72] netdev_get_by_index+0x5e/0x80 [ 855.777035][ T72] fib6_nh_init+0x3d8/0x1580 [ 855.777035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 855.777035][ T72] ip6_route_add+0x1c/0x140 [ 855.777035][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 855.777035][ T72] addrconf_add_dev+0xe2/0x170 [ 855.777035][ T72] inet6_addr_add+0x12f/0xa40 [ 855.777035][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 855.777035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.777035][ T72] netlink_rcv_skb+0x130/0x360 [ 855.777035][ T72] netlink_unicast+0x449/0x710 [ 855.777035][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.777035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.777035][ T72] ___sys_sendmsg+0xee/0x170 [ 855.777035][ T72] __sys_sendmsg+0xcd/0x170 [ 855.777035][ T72] do_syscall_64+0xc6/0x1e0 [ 855.777035][ T72] [ 855.779251][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 855.779251][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 855.779251][ T72] ipv6_find_idev+0x102/0x170 [ 855.779251][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 855.779251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.779251][ T72] netlink_rcv_skb+0x130/0x360 [ 855.779251][ T72] netlink_unicast+0x449/0x710 [ 855.779251][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.779251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.779251][ T72] ___sys_sendmsg+0xee/0x170 [ 855.779251][ T72] __sys_sendmsg+0xcd/0x170 [ 855.779251][ T72] do_syscall_64+0xc6/0x1e0 [ 855.779251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.779251][ T72] [ 855.780967][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 855.780967][ T72] neigh_parms_alloc+0x1e5/0x510 [ 855.780967][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 855.780967][ T72] ipv6_find_idev+0x102/0x170 [ 855.780967][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 855.780967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 855.780967][ T72] netlink_rcv_skb+0x130/0x360 [ 855.780967][ T72] netlink_unicast+0x449/0x710 [ 855.780967][ T72] netlink_sendmsg+0x723/0xbe0 [ 855.780967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 855.780967][ T72] ___sys_sendmsg+0xee/0x170 [ 855.780967][ T72] __sys_sendmsg+0xcd/0x170 [ 855.780967][ T72] do_syscall_64+0xc6/0x1e0 [ 855.780967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 855.780967][ T72] [ 861.480966][ T42] INFO: task modprobe:885 blocked for more than 737 seconds. [ 861.481390][ T42] Not tainted 6.8.0-virtme #1 [ 861.481517][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 861.481723][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 861.482032][ T42] Call Trace: [ 861.482144][ T42] [ 861.482220][ T42] __schedule+0x705/0x1ac0 [ 861.482364][ T42] ? __pfx___schedule+0x10/0x10 [ 861.482492][ T42] ? schedule+0x1a5/0x210 [ 861.482595][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.482735][ T42] ? schedule+0x1a5/0x210 [ 861.482864][ T42] schedule+0xdf/0x210 [ 861.482964][ T42] schedule_preempt_disabled+0x15/0x30 [ 861.483094][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 861.483231][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 861.483390][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.483527][ T42] ? lock_acquire+0x1c1/0x220 [ 861.483668][ T42] ? register_pernet_subsys+0x1a/0x50 [ 861.483830][ T42] down_write+0x1c9/0x200 [ 861.483934][ T42] ? __pfx_down_write+0x10/0x10 [ 861.484061][ T42] ? __lock_release+0x103/0x460 [ 861.484188][ T42] ? __create_object+0x5e/0xb0 [ 861.484318][ T42] ? __pfx___lock_release+0x10/0x10 [ 861.484450][ T42] register_pernet_subsys+0x1a/0x50 [ 861.484577][ T42] tcf_register_action+0xa3/0x600 [ 861.484712][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 861.484896][ T42] do_one_initcall+0xc8/0x3f0 [ 861.485030][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 861.485159][ T42] ? __create_object+0x5e/0xb0 [ 861.485290][ T42] ? kasan_unpoison+0x27/0x60 [ 861.485423][ T42] do_init_module+0x233/0x740 [ 861.485569][ T42] load_module+0x16b5/0x2350 [ 861.485707][ T42] ? __pfx_load_module+0x10/0x10 [ 861.485877][ T42] ? kernel_read_file+0x3d2/0x520 [ 861.486033][ T42] ? kernel_read_file+0x300/0x520 [ 861.486166][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 861.486299][ T42] ? init_module_from_file+0xd2/0x130 [ 861.486429][ T42] init_module_from_file+0xd2/0x130 [ 861.486556][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 861.486730][ T42] ? __lock_release+0x103/0x460 [ 861.486935][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.487166][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.487368][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 861.487584][ T42] idempotent_init_module+0x342/0x620 [ 861.487816][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 861.488069][ T42] __x64_sys_finit_module+0xbe/0x130 [ 861.488201][ T42] do_syscall_64+0xc6/0x1e0 [ 861.488335][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.488505][ T42] RIP: 0033:0x7f41a8dc5e5d [ 861.488641][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 861.488862][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 861.489053][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 861.489240][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 861.489431][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 861.489621][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 861.489859][ T42] [ 861.489969][ T42] [ 861.489969][ T42] Showing all locks held in the system: [ 861.490158][ T42] 2 locks held by kworker/u20:0/39: [ 861.490286][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.490547][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.490861][ T42] 1 lock held by khungtaskd/42: [ 861.490983][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 861.491220][ T42] 3 locks held by kworker/u16:1/72: [ 861.491340][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.491606][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.491854][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 861.492086][ T42] 1 lock held by modprobe/885: [ 861.492207][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 861.492458][ T42] [ 861.492526][ T42] ============================================= [ 861.492526][ T42] [ 866.337232][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 866.337982][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 866.337982][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 866.337982][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 866.337982][ T72] fib6_nh_init+0xa22/0x1580 [ 866.337982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.337982][ T72] ip6_route_add+0x1c/0x140 [ 866.337982][ T72] inet6_rtm_newroute+0x104/0x110 [ 866.337982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.337982][ T72] netlink_rcv_skb+0x130/0x360 [ 866.337982][ T72] netlink_unicast+0x449/0x710 [ 866.337982][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.337982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.337982][ T72] ___sys_sendmsg+0xee/0x170 [ 866.337982][ T72] __sys_sendmsg+0xcd/0x170 [ 866.337982][ T72] do_syscall_64+0xc6/0x1e0 [ 866.337982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.337982][ T72] [ 866.339920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 866.339920][ T72] dst_init+0x84/0x4a0 [ 866.339920][ T72] dst_alloc+0x97/0x150 [ 866.339920][ T72] ip6_dst_alloc+0x23/0x90 [ 866.339920][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 866.339920][ T72] ip6_pol_route+0x56f/0x840 [ 866.339920][ T72] fib6_rule_lookup+0x456/0x630 [ 866.339920][ T72] ip6_route_input+0x59c/0xa50 [ 866.339920][ T72] ipv6_rcv+0x397/0x810 [ 866.339920][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 866.339920][ T72] process_backlog+0x101/0x620 [ 866.339920][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 866.339920][ T72] net_rx_action+0x495/0xbe0 [ 866.339920][ T72] __do_softirq+0x1b5/0x7f6 [ 866.339920][ T72] [ 866.341558][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 866.341558][ T72] netdev_get_by_index+0x5e/0x80 [ 866.341558][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.341558][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.341558][ T72] ip6_route_add+0x1c/0x140 [ 866.341558][ T72] addrconf_prefix_route+0x2a6/0x430 [ 866.341558][ T72] inet6_addr_add+0x4f8/0xa40 [ 866.341558][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.341558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.341558][ T72] netlink_rcv_skb+0x130/0x360 [ 866.341558][ T72] netlink_unicast+0x449/0x710 [ 866.341558][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.341558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.341558][ T72] ___sys_sendmsg+0xee/0x170 [ 866.341558][ T72] __sys_sendmsg+0xcd/0x170 [ 866.341558][ T72] do_syscall_64+0xc6/0x1e0 [ 866.341558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.341558][ T72] [ 866.343570][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 866.343570][ T72] netdev_get_by_index+0x5e/0x80 [ 866.343570][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.343570][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.343570][ T72] addrconf_f6i_alloc+0x315/0x560 [ 866.343570][ T72] ipv6_add_addr+0x411/0x2000 [ 866.343570][ T72] inet6_addr_add+0x30e/0xa40 [ 866.343570][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.343570][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.343570][ T72] netlink_rcv_skb+0x130/0x360 [ 866.343570][ T72] netlink_unicast+0x449/0x710 [ 866.343570][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.343570][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.343570][ T72] ___sys_sendmsg+0xee/0x170 [ 866.343570][ T72] __sys_sendmsg+0xcd/0x170 [ 866.343570][ T72] do_syscall_64+0xc6/0x1e0 [ 866.343570][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.343570][ T72] [ 866.345607][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 866.345607][ T72] netdev_get_by_index+0x5e/0x80 [ 866.345607][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.345607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.345607][ T72] ip6_route_add+0x1c/0x140 [ 866.345607][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 866.345607][ T72] addrconf_add_dev+0xe2/0x170 [ 866.345607][ T72] inet6_addr_add+0x12f/0xa40 [ 866.345607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.345607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.345607][ T72] netlink_rcv_skb+0x130/0x360 [ 866.345607][ T72] netlink_unicast+0x449/0x710 [ 866.345607][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.345607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.345607][ T72] ___sys_sendmsg+0xee/0x170 [ 866.345607][ T72] __sys_sendmsg+0xcd/0x170 [ 866.345607][ T72] do_syscall_64+0xc6/0x1e0 [ 866.345607][ T72] [ 866.347567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 866.347567][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 866.347567][ T72] ipv6_find_idev+0x102/0x170 [ 866.347567][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.347567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.347567][ T72] netlink_rcv_skb+0x130/0x360 [ 866.347567][ T72] netlink_unicast+0x449/0x710 [ 866.347567][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.347567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.347567][ T72] ___sys_sendmsg+0xee/0x170 [ 866.347567][ T72] __sys_sendmsg+0xcd/0x170 [ 866.347567][ T72] do_syscall_64+0xc6/0x1e0 [ 866.347567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.347567][ T72] [ 866.349109][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 866.349109][ T72] neigh_parms_alloc+0x1e5/0x510 [ 866.349109][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 866.349109][ T72] ipv6_find_idev+0x102/0x170 [ 866.349109][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.349109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.349109][ T72] netlink_rcv_skb+0x130/0x360 [ 866.349109][ T72] netlink_unicast+0x449/0x710 [ 866.349109][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.349109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.349109][ T72] ___sys_sendmsg+0xee/0x170 [ 866.349109][ T72] __sys_sendmsg+0xcd/0x170 [ 866.349109][ T72] do_syscall_64+0xc6/0x1e0 [ 866.349109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.349109][ T72] [ 866.350805][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 866.351104][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 866.351104][ T72] dst_init+0x84/0x4a0 [ 866.351104][ T72] dst_alloc+0x97/0x150 [ 866.351104][ T72] ip6_dst_alloc+0x23/0x90 [ 866.351104][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 866.351104][ T72] ip6_pol_route+0x56f/0x840 [ 866.351104][ T72] fib6_rule_lookup+0x456/0x630 [ 866.351104][ T72] ip6_route_input+0x59c/0xa50 [ 866.351104][ T72] ipv6_rcv+0x397/0x810 [ 866.351104][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 866.351104][ T72] process_backlog+0x101/0x620 [ 866.351104][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 866.351104][ T72] net_rx_action+0x495/0xbe0 [ 866.351104][ T72] __do_softirq+0x1b5/0x7f6 [ 866.351104][ T72] [ 866.352755][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 866.352755][ T72] netdev_get_by_index+0x5e/0x80 [ 866.352755][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.352755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.352755][ T72] addrconf_f6i_alloc+0x265/0x560 [ 866.352755][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 866.352755][ T72] addrconf_join_anycast+0x1c0/0x220 [ 866.352755][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 866.352755][ T72] addrconf_dad_completed+0x12b/0xe20 [ 866.352755][ T72] addrconf_dad_begin+0x310/0x670 [ 866.352755][ T72] addrconf_dad_work+0x10b/0xab0 [ 866.352755][ T72] process_one_work+0x84d/0x18a0 [ 866.352755][ T72] worker_thread+0x587/0xd30 [ 866.352755][ T72] kthread+0x28a/0x350 [ 866.352755][ T72] ret_from_fork+0x31/0x70 [ 866.352755][ T72] ret_from_fork_asm+0x1a/0x30 [ 866.352755][ T72] [ 866.354672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 866.354672][ T72] netdev_get_by_index+0x5e/0x80 [ 866.354672][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.354672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.354672][ T72] ip6_route_add+0x1c/0x140 [ 866.354672][ T72] addrconf_prefix_route+0x2a6/0x430 [ 866.354672][ T72] inet6_addr_add+0x4f8/0xa40 [ 866.354672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.354672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.354672][ T72] netlink_rcv_skb+0x130/0x360 [ 866.354672][ T72] netlink_unicast+0x449/0x710 [ 866.354672][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.354672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.354672][ T72] ___sys_sendmsg+0xee/0x170 [ 866.354672][ T72] __sys_sendmsg+0xcd/0x170 [ 866.354672][ T72] do_syscall_64+0xc6/0x1e0 [ 866.354672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.354672][ T72] [ 866.356662][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 866.356662][ T72] netdev_get_by_index+0x5e/0x80 [ 866.356662][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.356662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.356662][ T72] addrconf_f6i_alloc+0x315/0x560 [ 866.356662][ T72] ipv6_add_addr+0x411/0x2000 [ 866.356662][ T72] inet6_addr_add+0x30e/0xa40 [ 866.356662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.356662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.356662][ T72] netlink_rcv_skb+0x130/0x360 [ 866.356662][ T72] netlink_unicast+0x449/0x710 [ 866.356662][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.356662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.356662][ T72] ___sys_sendmsg+0xee/0x170 [ 866.356662][ T72] __sys_sendmsg+0xcd/0x170 [ 866.356662][ T72] do_syscall_64+0xc6/0x1e0 [ 866.356662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.356662][ T72] [ 866.358670][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 866.358670][ T72] netdev_get_by_index+0x5e/0x80 [ 866.358670][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.358670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.358670][ T72] ip6_route_add+0x1c/0x140 [ 866.358670][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 866.358670][ T72] addrconf_add_dev+0xe2/0x170 [ 866.358670][ T72] inet6_addr_add+0x12f/0xa40 [ 866.358670][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.358670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.358670][ T72] netlink_rcv_skb+0x130/0x360 [ 866.358670][ T72] netlink_unicast+0x449/0x710 [ 866.358670][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.358670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.358670][ T72] ___sys_sendmsg+0xee/0x170 [ 866.358670][ T72] __sys_sendmsg+0xcd/0x170 [ 866.358670][ T72] do_syscall_64+0xc6/0x1e0 [ 866.358670][ T72] [ 866.360623][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 866.360623][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 866.360623][ T72] ipv6_find_idev+0x102/0x170 [ 866.360623][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.360623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.360623][ T72] netlink_rcv_skb+0x130/0x360 [ 866.360623][ T72] netlink_unicast+0x449/0x710 [ 866.360623][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.360623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.360623][ T72] ___sys_sendmsg+0xee/0x170 [ 866.360623][ T72] __sys_sendmsg+0xcd/0x170 [ 866.360623][ T72] do_syscall_64+0xc6/0x1e0 [ 866.360623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.360623][ T72] [ 866.362151][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 866.362151][ T72] neigh_parms_alloc+0x1e5/0x510 [ 866.362151][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 866.362151][ T72] ipv6_find_idev+0x102/0x170 [ 866.362151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.362151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.362151][ T72] netlink_rcv_skb+0x130/0x360 [ 866.362151][ T72] netlink_unicast+0x449/0x710 [ 866.362151][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.362151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.362151][ T72] ___sys_sendmsg+0xee/0x170 [ 866.362151][ T72] __sys_sendmsg+0xcd/0x170 [ 866.362151][ T72] do_syscall_64+0xc6/0x1e0 [ 866.362151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.362151][ T72] [ 866.363986][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 866.364260][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 866.364260][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 866.364260][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 866.364260][ T72] fib6_nh_init+0xa22/0x1580 [ 866.364260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.364260][ T72] ip6_route_add+0x1c/0x140 [ 866.364260][ T72] inet6_rtm_newroute+0x104/0x110 [ 866.364260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.364260][ T72] netlink_rcv_skb+0x130/0x360 [ 866.364260][ T72] netlink_unicast+0x449/0x710 [ 866.364260][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.364260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.364260][ T72] ___sys_sendmsg+0xee/0x170 [ 866.364260][ T72] __sys_sendmsg+0xcd/0x170 [ 866.364260][ T72] do_syscall_64+0xc6/0x1e0 [ 866.364260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.364260][ T72] [ 866.366442][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 866.366442][ T72] dst_init+0x84/0x4a0 [ 866.366442][ T72] dst_alloc+0x97/0x150 [ 866.366442][ T72] ip6_dst_alloc+0x23/0x90 [ 866.366442][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 866.366442][ T72] ip6_pol_route+0x56f/0x840 [ 866.366442][ T72] fib6_rule_lookup+0x456/0x630 [ 866.366442][ T72] ip6_route_input+0x59c/0xa50 [ 866.366442][ T72] ipv6_rcv+0x397/0x810 [ 866.366442][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 866.366442][ T72] process_backlog+0x101/0x620 [ 866.366442][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 866.366442][ T72] net_rx_action+0x495/0xbe0 [ 866.366442][ T72] __do_softirq+0x1b5/0x7f6 [ 866.366442][ T72] [ 866.368254][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 866.368254][ T72] netdev_get_by_index+0x5e/0x80 [ 866.368254][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.368254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.368254][ T72] ip6_route_add+0x1c/0x140 [ 866.368254][ T72] addrconf_prefix_route+0x2a6/0x430 [ 866.368254][ T72] inet6_addr_add+0x4f8/0xa40 [ 866.368254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.368254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.368254][ T72] netlink_rcv_skb+0x130/0x360 [ 866.368254][ T72] netlink_unicast+0x449/0x710 [ 866.368254][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.368254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.368254][ T72] ___sys_sendmsg+0xee/0x170 [ 866.368254][ T72] __sys_sendmsg+0xcd/0x170 [ 866.368254][ T72] do_syscall_64+0xc6/0x1e0 [ 866.368254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.368254][ T72] [ 866.370509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 866.370509][ T72] netdev_get_by_index+0x5e/0x80 [ 866.370509][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.370509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.370509][ T72] addrconf_f6i_alloc+0x315/0x560 [ 866.370509][ T72] ipv6_add_addr+0x411/0x2000 [ 866.370509][ T72] inet6_addr_add+0x30e/0xa40 [ 866.370509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.370509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.370509][ T72] netlink_rcv_skb+0x130/0x360 [ 866.370509][ T72] netlink_unicast+0x449/0x710 [ 866.370509][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.370509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.370509][ T72] ___sys_sendmsg+0xee/0x170 [ 866.370509][ T72] __sys_sendmsg+0xcd/0x170 [ 866.370509][ T72] do_syscall_64+0xc6/0x1e0 [ 866.370509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.370509][ T72] [ 866.372711][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 866.372711][ T72] netdev_get_by_index+0x5e/0x80 [ 866.372711][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.372711][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.372711][ T72] ip6_route_add+0x1c/0x140 [ 866.372711][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 866.372711][ T72] addrconf_add_dev+0xe2/0x170 [ 866.372711][ T72] inet6_addr_add+0x12f/0xa40 [ 866.372711][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.372711][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.372711][ T72] netlink_rcv_skb+0x130/0x360 [ 866.372711][ T72] netlink_unicast+0x449/0x710 [ 866.372711][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.372711][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.372711][ T72] ___sys_sendmsg+0xee/0x170 [ 866.372711][ T72] __sys_sendmsg+0xcd/0x170 [ 866.372711][ T72] do_syscall_64+0xc6/0x1e0 [ 866.372711][ T72] [ 866.374983][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 866.374983][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 866.374983][ T72] ipv6_find_idev+0x102/0x170 [ 866.374983][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.374983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.374983][ T72] netlink_rcv_skb+0x130/0x360 [ 866.374983][ T72] netlink_unicast+0x449/0x710 [ 866.374983][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.374983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.374983][ T72] ___sys_sendmsg+0xee/0x170 [ 866.374983][ T72] __sys_sendmsg+0xcd/0x170 [ 866.374983][ T72] do_syscall_64+0xc6/0x1e0 [ 866.374983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.374983][ T72] [ 866.376696][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 866.376696][ T72] neigh_parms_alloc+0x1e5/0x510 [ 866.376696][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 866.376696][ T72] ipv6_find_idev+0x102/0x170 [ 866.376696][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.376696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.376696][ T72] netlink_rcv_skb+0x130/0x360 [ 866.376696][ T72] netlink_unicast+0x449/0x710 [ 866.376696][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.376696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.376696][ T72] ___sys_sendmsg+0xee/0x170 [ 866.376696][ T72] __sys_sendmsg+0xcd/0x170 [ 866.376696][ T72] do_syscall_64+0xc6/0x1e0 [ 866.376696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.376696][ T72] [ 866.378582][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 866.379017][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 866.379017][ T72] netdev_get_by_index+0x5e/0x80 [ 866.379017][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.379017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.379017][ T72] addrconf_f6i_alloc+0x265/0x560 [ 866.379017][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 866.379017][ T72] addrconf_join_anycast+0x1c0/0x220 [ 866.379017][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 866.379017][ T72] addrconf_dad_completed+0x12b/0xe20 [ 866.379017][ T72] addrconf_dad_begin+0x310/0x670 [ 866.379017][ T72] addrconf_dad_work+0x10b/0xab0 [ 866.379017][ T72] process_one_work+0x84d/0x18a0 [ 866.379017][ T72] worker_thread+0x587/0xd30 [ 866.379017][ T72] kthread+0x28a/0x350 [ 866.379017][ T72] ret_from_fork+0x31/0x70 [ 866.379017][ T72] ret_from_fork_asm+0x1a/0x30 [ 866.379017][ T72] [ 866.381042][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 866.381042][ T72] netdev_get_by_index+0x5e/0x80 [ 866.381042][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.381042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.381042][ T72] ip6_route_add+0x1c/0x140 [ 866.381042][ T72] addrconf_prefix_route+0x2a6/0x430 [ 866.381042][ T72] inet6_addr_add+0x4f8/0xa40 [ 866.381042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.381042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.381042][ T72] netlink_rcv_skb+0x130/0x360 [ 866.381042][ T72] netlink_unicast+0x449/0x710 [ 866.381042][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.381042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.381042][ T72] ___sys_sendmsg+0xee/0x170 [ 866.381042][ T72] __sys_sendmsg+0xcd/0x170 [ 866.381042][ T72] do_syscall_64+0xc6/0x1e0 [ 866.381042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.381042][ T72] [ 866.383284][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 866.383284][ T72] netdev_get_by_index+0x5e/0x80 [ 866.383284][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.383284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.383284][ T72] addrconf_f6i_alloc+0x315/0x560 [ 866.383284][ T72] ipv6_add_addr+0x411/0x2000 [ 866.383284][ T72] inet6_addr_add+0x30e/0xa40 [ 866.383284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.383284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.383284][ T72] netlink_rcv_skb+0x130/0x360 [ 866.383284][ T72] netlink_unicast+0x449/0x710 [ 866.383284][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.383284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.383284][ T72] ___sys_sendmsg+0xee/0x170 [ 866.383284][ T72] __sys_sendmsg+0xcd/0x170 [ 866.383284][ T72] do_syscall_64+0xc6/0x1e0 [ 866.383284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.383284][ T72] [ 866.385532][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 866.385532][ T72] netdev_get_by_index+0x5e/0x80 [ 866.385532][ T72] fib6_nh_init+0x3d8/0x1580 [ 866.385532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 866.385532][ T72] ip6_route_add+0x1c/0x140 [ 866.385532][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 866.385532][ T72] addrconf_add_dev+0xe2/0x170 [ 866.385532][ T72] inet6_addr_add+0x12f/0xa40 [ 866.385532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 866.385532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.385532][ T72] netlink_rcv_skb+0x130/0x360 [ 866.385532][ T72] netlink_unicast+0x449/0x710 [ 866.385532][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.385532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.385532][ T72] ___sys_sendmsg+0xee/0x170 [ 866.385532][ T72] __sys_sendmsg+0xcd/0x170 [ 866.385532][ T72] do_syscall_64+0xc6/0x1e0 [ 866.385532][ T72] [ 866.387734][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 866.387734][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 866.387734][ T72] ipv6_find_idev+0x102/0x170 [ 866.387734][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.387734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.387734][ T72] netlink_rcv_skb+0x130/0x360 [ 866.387734][ T72] netlink_unicast+0x449/0x710 [ 866.387734][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.387734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.387734][ T72] ___sys_sendmsg+0xee/0x170 [ 866.387734][ T72] __sys_sendmsg+0xcd/0x170 [ 866.387734][ T72] do_syscall_64+0xc6/0x1e0 [ 866.387734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.387734][ T72] [ 866.389462][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 866.389462][ T72] neigh_parms_alloc+0x1e5/0x510 [ 866.389462][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 866.389462][ T72] ipv6_find_idev+0x102/0x170 [ 866.389462][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.389462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.389462][ T72] netlink_rcv_skb+0x130/0x360 [ 866.389462][ T72] netlink_unicast+0x449/0x710 [ 866.389462][ T72] netlink_sendmsg+0x723/0xbe0 [ 866.389462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 866.389462][ T72] ___sys_sendmsg+0xee/0x170 [ 866.389462][ T72] __sys_sendmsg+0xcd/0x170 [ 866.389462][ T72] do_syscall_64+0xc6/0x1e0 [ 866.389462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.389462][ T72] [ 876.472918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 876.473425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 876.473425][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 876.473425][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 876.473425][ T72] fib6_nh_init+0xa22/0x1580 [ 876.473425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.473425][ T72] ip6_route_add+0x1c/0x140 [ 876.473425][ T72] inet6_rtm_newroute+0x104/0x110 [ 876.473425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.473425][ T72] netlink_rcv_skb+0x130/0x360 [ 876.473425][ T72] netlink_unicast+0x449/0x710 [ 876.473425][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.473425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.473425][ T72] ___sys_sendmsg+0xee/0x170 [ 876.473425][ T72] __sys_sendmsg+0xcd/0x170 [ 876.473425][ T72] do_syscall_64+0xc6/0x1e0 [ 876.473425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.473425][ T72] [ 876.475318][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 876.475318][ T72] dst_init+0x84/0x4a0 [ 876.475318][ T72] dst_alloc+0x97/0x150 [ 876.475318][ T72] ip6_dst_alloc+0x23/0x90 [ 876.475318][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 876.475318][ T72] ip6_pol_route+0x56f/0x840 [ 876.475318][ T72] fib6_rule_lookup+0x456/0x630 [ 876.475318][ T72] ip6_route_input+0x59c/0xa50 [ 876.475318][ T72] ipv6_rcv+0x397/0x810 [ 876.475318][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 876.475318][ T72] process_backlog+0x101/0x620 [ 876.475318][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 876.475318][ T72] net_rx_action+0x495/0xbe0 [ 876.475318][ T72] __do_softirq+0x1b5/0x7f6 [ 876.475318][ T72] [ 876.476944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 876.476944][ T72] netdev_get_by_index+0x5e/0x80 [ 876.476944][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.476944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.476944][ T72] ip6_route_add+0x1c/0x140 [ 876.476944][ T72] addrconf_prefix_route+0x2a6/0x430 [ 876.476944][ T72] inet6_addr_add+0x4f8/0xa40 [ 876.476944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.476944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.476944][ T72] netlink_rcv_skb+0x130/0x360 [ 876.476944][ T72] netlink_unicast+0x449/0x710 [ 876.476944][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.476944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.476944][ T72] ___sys_sendmsg+0xee/0x170 [ 876.476944][ T72] __sys_sendmsg+0xcd/0x170 [ 876.476944][ T72] do_syscall_64+0xc6/0x1e0 [ 876.476944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.476944][ T72] [ 876.478926][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 876.478926][ T72] netdev_get_by_index+0x5e/0x80 [ 876.478926][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.478926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.478926][ T72] addrconf_f6i_alloc+0x315/0x560 [ 876.478926][ T72] ipv6_add_addr+0x411/0x2000 [ 876.478926][ T72] inet6_addr_add+0x30e/0xa40 [ 876.478926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.478926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.478926][ T72] netlink_rcv_skb+0x130/0x360 [ 876.478926][ T72] netlink_unicast+0x449/0x710 [ 876.478926][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.478926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.478926][ T72] ___sys_sendmsg+0xee/0x170 [ 876.478926][ T72] __sys_sendmsg+0xcd/0x170 [ 876.478926][ T72] do_syscall_64+0xc6/0x1e0 [ 876.478926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.478926][ T72] [ 876.480904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 876.480904][ T72] netdev_get_by_index+0x5e/0x80 [ 876.480904][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.480904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.480904][ T72] ip6_route_add+0x1c/0x140 [ 876.480904][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 876.480904][ T72] addrconf_add_dev+0xe2/0x170 [ 876.480904][ T72] inet6_addr_add+0x12f/0xa40 [ 876.480904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.480904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.480904][ T72] netlink_rcv_skb+0x130/0x360 [ 876.480904][ T72] netlink_unicast+0x449/0x710 [ 876.480904][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.480904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.480904][ T72] ___sys_sendmsg+0xee/0x170 [ 876.480904][ T72] __sys_sendmsg+0xcd/0x170 [ 876.480904][ T72] do_syscall_64+0xc6/0x1e0 [ 876.480904][ T72] [ 876.482848][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 876.482848][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 876.482848][ T72] ipv6_find_idev+0x102/0x170 [ 876.482848][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.482848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.482848][ T72] netlink_rcv_skb+0x130/0x360 [ 876.482848][ T72] netlink_unicast+0x449/0x710 [ 876.482848][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.482848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.482848][ T72] ___sys_sendmsg+0xee/0x170 [ 876.482848][ T72] __sys_sendmsg+0xcd/0x170 [ 876.482848][ T72] do_syscall_64+0xc6/0x1e0 [ 876.482848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.482848][ T72] [ 876.484373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 876.484373][ T72] neigh_parms_alloc+0x1e5/0x510 [ 876.484373][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 876.484373][ T72] ipv6_find_idev+0x102/0x170 [ 876.484373][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.484373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.484373][ T72] netlink_rcv_skb+0x130/0x360 [ 876.484373][ T72] netlink_unicast+0x449/0x710 [ 876.484373][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.484373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.484373][ T72] ___sys_sendmsg+0xee/0x170 [ 876.484373][ T72] __sys_sendmsg+0xcd/0x170 [ 876.484373][ T72] do_syscall_64+0xc6/0x1e0 [ 876.484373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.484373][ T72] [ 876.486050][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 876.486318][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 876.486318][ T72] dst_init+0x84/0x4a0 [ 876.486318][ T72] dst_alloc+0x97/0x150 [ 876.486318][ T72] ip6_dst_alloc+0x23/0x90 [ 876.486318][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 876.486318][ T72] ip6_pol_route+0x56f/0x840 [ 876.486318][ T72] fib6_rule_lookup+0x456/0x630 [ 876.486318][ T72] ip6_route_input+0x59c/0xa50 [ 876.486318][ T72] ipv6_rcv+0x397/0x810 [ 876.486318][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 876.486318][ T72] process_backlog+0x101/0x620 [ 876.486318][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 876.486318][ T72] net_rx_action+0x495/0xbe0 [ 876.486318][ T72] __do_softirq+0x1b5/0x7f6 [ 876.486318][ T72] [ 876.487944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 876.487944][ T72] netdev_get_by_index+0x5e/0x80 [ 876.487944][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.487944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.487944][ T72] addrconf_f6i_alloc+0x265/0x560 [ 876.487944][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 876.487944][ T72] addrconf_join_anycast+0x1c0/0x220 [ 876.487944][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 876.487944][ T72] addrconf_dad_completed+0x12b/0xe20 [ 876.487944][ T72] addrconf_dad_begin+0x310/0x670 [ 876.487944][ T72] addrconf_dad_work+0x10b/0xab0 [ 876.487944][ T72] process_one_work+0x84d/0x18a0 [ 876.487944][ T72] worker_thread+0x587/0xd30 [ 876.487944][ T72] kthread+0x28a/0x350 [ 876.487944][ T72] ret_from_fork+0x31/0x70 [ 876.487944][ T72] ret_from_fork_asm+0x1a/0x30 [ 876.487944][ T72] [ 876.489838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 876.489838][ T72] netdev_get_by_index+0x5e/0x80 [ 876.489838][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.489838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.489838][ T72] ip6_route_add+0x1c/0x140 [ 876.489838][ T72] addrconf_prefix_route+0x2a6/0x430 [ 876.489838][ T72] inet6_addr_add+0x4f8/0xa40 [ 876.489838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.489838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.489838][ T72] netlink_rcv_skb+0x130/0x360 [ 876.489838][ T72] netlink_unicast+0x449/0x710 [ 876.489838][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.489838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.489838][ T72] ___sys_sendmsg+0xee/0x170 [ 876.489838][ T72] __sys_sendmsg+0xcd/0x170 [ 876.489838][ T72] do_syscall_64+0xc6/0x1e0 [ 876.489838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.489838][ T72] [ 876.491819][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 876.491819][ T72] netdev_get_by_index+0x5e/0x80 [ 876.491819][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.491819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.491819][ T72] addrconf_f6i_alloc+0x315/0x560 [ 876.491819][ T72] ipv6_add_addr+0x411/0x2000 [ 876.491819][ T72] inet6_addr_add+0x30e/0xa40 [ 876.491819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.491819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.491819][ T72] netlink_rcv_skb+0x130/0x360 [ 876.491819][ T72] netlink_unicast+0x449/0x710 [ 876.491819][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.491819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.491819][ T72] ___sys_sendmsg+0xee/0x170 [ 876.491819][ T72] __sys_sendmsg+0xcd/0x170 [ 876.491819][ T72] do_syscall_64+0xc6/0x1e0 [ 876.491819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.491819][ T72] [ 876.493828][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 876.493828][ T72] netdev_get_by_index+0x5e/0x80 [ 876.493828][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.493828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.493828][ T72] ip6_route_add+0x1c/0x140 [ 876.493828][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 876.493828][ T72] addrconf_add_dev+0xe2/0x170 [ 876.493828][ T72] inet6_addr_add+0x12f/0xa40 [ 876.493828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.493828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.493828][ T72] netlink_rcv_skb+0x130/0x360 [ 876.493828][ T72] netlink_unicast+0x449/0x710 [ 876.493828][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.493828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.493828][ T72] ___sys_sendmsg+0xee/0x170 [ 876.493828][ T72] __sys_sendmsg+0xcd/0x170 [ 876.493828][ T72] do_syscall_64+0xc6/0x1e0 [ 876.493828][ T72] [ 876.495776][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 876.495776][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 876.495776][ T72] ipv6_find_idev+0x102/0x170 [ 876.495776][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.495776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.495776][ T72] netlink_rcv_skb+0x130/0x360 [ 876.495776][ T72] netlink_unicast+0x449/0x710 [ 876.495776][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.495776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.495776][ T72] ___sys_sendmsg+0xee/0x170 [ 876.495776][ T72] __sys_sendmsg+0xcd/0x170 [ 876.495776][ T72] do_syscall_64+0xc6/0x1e0 [ 876.495776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.495776][ T72] [ 876.497298][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 876.497298][ T72] neigh_parms_alloc+0x1e5/0x510 [ 876.497298][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 876.497298][ T72] ipv6_find_idev+0x102/0x170 [ 876.497298][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.497298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.497298][ T72] netlink_rcv_skb+0x130/0x360 [ 876.497298][ T72] netlink_unicast+0x449/0x710 [ 876.497298][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.497298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.497298][ T72] ___sys_sendmsg+0xee/0x170 [ 876.497298][ T72] __sys_sendmsg+0xcd/0x170 [ 876.497298][ T72] do_syscall_64+0xc6/0x1e0 [ 876.497298][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.497298][ T72] [ 876.499022][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 876.499349][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 876.499349][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 876.499349][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 876.499349][ T72] fib6_nh_init+0xa22/0x1580 [ 876.499349][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.499349][ T72] ip6_route_add+0x1c/0x140 [ 876.499349][ T72] inet6_rtm_newroute+0x104/0x110 [ 876.499349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.499349][ T72] netlink_rcv_skb+0x130/0x360 [ 876.499349][ T72] netlink_unicast+0x449/0x710 [ 876.499349][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.499349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.499349][ T72] ___sys_sendmsg+0xee/0x170 [ 876.499349][ T72] __sys_sendmsg+0xcd/0x170 [ 876.499349][ T72] do_syscall_64+0xc6/0x1e0 [ 876.499349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.499349][ T72] [ 876.501976][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 876.501976][ T72] dst_init+0x84/0x4a0 [ 876.501976][ T72] dst_alloc+0x97/0x150 [ 876.501976][ T72] ip6_dst_alloc+0x23/0x90 [ 876.501976][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 876.501976][ T72] ip6_pol_route+0x56f/0x840 [ 876.501976][ T72] fib6_rule_lookup+0x456/0x630 [ 876.501976][ T72] ip6_route_input+0x59c/0xa50 [ 876.501976][ T72] ipv6_rcv+0x397/0x810 [ 876.501976][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 876.501976][ T72] process_backlog+0x101/0x620 [ 876.501976][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 876.501976][ T72] net_rx_action+0x495/0xbe0 [ 876.501976][ T72] __do_softirq+0x1b5/0x7f6 [ 876.501976][ T72] [ 876.503846][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 876.503846][ T72] netdev_get_by_index+0x5e/0x80 [ 876.503846][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.503846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.503846][ T72] ip6_route_add+0x1c/0x140 [ 876.503846][ T72] addrconf_prefix_route+0x2a6/0x430 [ 876.503846][ T72] inet6_addr_add+0x4f8/0xa40 [ 876.503846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.503846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.503846][ T72] netlink_rcv_skb+0x130/0x360 [ 876.503846][ T72] netlink_unicast+0x449/0x710 [ 876.503846][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.503846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.503846][ T72] ___sys_sendmsg+0xee/0x170 [ 876.503846][ T72] __sys_sendmsg+0xcd/0x170 [ 876.503846][ T72] do_syscall_64+0xc6/0x1e0 [ 876.503846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.503846][ T72] [ 876.506004][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 876.506004][ T72] netdev_get_by_index+0x5e/0x80 [ 876.506004][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.506004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.506004][ T72] addrconf_f6i_alloc+0x315/0x560 [ 876.506004][ T72] ipv6_add_addr+0x411/0x2000 [ 876.506004][ T72] inet6_addr_add+0x30e/0xa40 [ 876.506004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.506004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.506004][ T72] netlink_rcv_skb+0x130/0x360 [ 876.506004][ T72] netlink_unicast+0x449/0x710 [ 876.506004][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.506004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.506004][ T72] ___sys_sendmsg+0xee/0x170 [ 876.506004][ T72] __sys_sendmsg+0xcd/0x170 [ 876.506004][ T72] do_syscall_64+0xc6/0x1e0 [ 876.506004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.506004][ T72] [ 876.508221][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 876.508221][ T72] netdev_get_by_index+0x5e/0x80 [ 876.508221][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.508221][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.508221][ T72] ip6_route_add+0x1c/0x140 [ 876.508221][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 876.508221][ T72] addrconf_add_dev+0xe2/0x170 [ 876.508221][ T72] inet6_addr_add+0x12f/0xa40 [ 876.508221][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.508221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.508221][ T72] netlink_rcv_skb+0x130/0x360 [ 876.508221][ T72] netlink_unicast+0x449/0x710 [ 876.508221][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.508221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.508221][ T72] ___sys_sendmsg+0xee/0x170 [ 876.508221][ T72] __sys_sendmsg+0xcd/0x170 [ 876.508221][ T72] do_syscall_64+0xc6/0x1e0 [ 876.508221][ T72] [ 876.510462][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 876.510462][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 876.510462][ T72] ipv6_find_idev+0x102/0x170 [ 876.510462][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.510462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.510462][ T72] netlink_rcv_skb+0x130/0x360 [ 876.510462][ T72] netlink_unicast+0x449/0x710 [ 876.510462][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.510462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.510462][ T72] ___sys_sendmsg+0xee/0x170 [ 876.510462][ T72] __sys_sendmsg+0xcd/0x170 [ 876.510462][ T72] do_syscall_64+0xc6/0x1e0 [ 876.510462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.510462][ T72] [ 876.512167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 876.512167][ T72] neigh_parms_alloc+0x1e5/0x510 [ 876.512167][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 876.512167][ T72] ipv6_find_idev+0x102/0x170 [ 876.512167][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.512167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.512167][ T72] netlink_rcv_skb+0x130/0x360 [ 876.512167][ T72] netlink_unicast+0x449/0x710 [ 876.512167][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.512167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.512167][ T72] ___sys_sendmsg+0xee/0x170 [ 876.512167][ T72] __sys_sendmsg+0xcd/0x170 [ 876.512167][ T72] do_syscall_64+0xc6/0x1e0 [ 876.512167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.512167][ T72] [ 876.514028][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 876.514356][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 876.514356][ T72] netdev_get_by_index+0x5e/0x80 [ 876.514356][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.514356][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.514356][ T72] addrconf_f6i_alloc+0x265/0x560 [ 876.514356][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 876.514356][ T72] addrconf_join_anycast+0x1c0/0x220 [ 876.514356][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 876.514356][ T72] addrconf_dad_completed+0x12b/0xe20 [ 876.514356][ T72] addrconf_dad_begin+0x310/0x670 [ 876.514356][ T72] addrconf_dad_work+0x10b/0xab0 [ 876.514356][ T72] process_one_work+0x84d/0x18a0 [ 876.514356][ T72] worker_thread+0x587/0xd30 [ 876.514356][ T72] kthread+0x28a/0x350 [ 876.514356][ T72] ret_from_fork+0x31/0x70 [ 876.514356][ T72] ret_from_fork_asm+0x1a/0x30 [ 876.514356][ T72] [ 876.516423][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 876.516423][ T72] netdev_get_by_index+0x5e/0x80 [ 876.516423][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.516423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.516423][ T72] ip6_route_add+0x1c/0x140 [ 876.516423][ T72] addrconf_prefix_route+0x2a6/0x430 [ 876.516423][ T72] inet6_addr_add+0x4f8/0xa40 [ 876.516423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.516423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.516423][ T72] netlink_rcv_skb+0x130/0x360 [ 876.516423][ T72] netlink_unicast+0x449/0x710 [ 876.516423][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.516423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.516423][ T72] ___sys_sendmsg+0xee/0x170 [ 876.516423][ T72] __sys_sendmsg+0xcd/0x170 [ 876.516423][ T72] do_syscall_64+0xc6/0x1e0 [ 876.516423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.516423][ T72] [ 876.518636][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 876.518636][ T72] netdev_get_by_index+0x5e/0x80 [ 876.518636][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.518636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.518636][ T72] addrconf_f6i_alloc+0x315/0x560 [ 876.518636][ T72] ipv6_add_addr+0x411/0x2000 [ 876.518636][ T72] inet6_addr_add+0x30e/0xa40 [ 876.518636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.518636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.518636][ T72] netlink_rcv_skb+0x130/0x360 [ 876.518636][ T72] netlink_unicast+0x449/0x710 [ 876.518636][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.518636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.518636][ T72] ___sys_sendmsg+0xee/0x170 [ 876.518636][ T72] __sys_sendmsg+0xcd/0x170 [ 876.518636][ T72] do_syscall_64+0xc6/0x1e0 [ 876.518636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.518636][ T72] [ 876.521306][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 876.521306][ T72] netdev_get_by_index+0x5e/0x80 [ 876.521306][ T72] fib6_nh_init+0x3d8/0x1580 [ 876.521306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 876.521306][ T72] ip6_route_add+0x1c/0x140 [ 876.521306][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 876.521306][ T72] addrconf_add_dev+0xe2/0x170 [ 876.521306][ T72] inet6_addr_add+0x12f/0xa40 [ 876.521306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 876.521306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.521306][ T72] netlink_rcv_skb+0x130/0x360 [ 876.521306][ T72] netlink_unicast+0x449/0x710 [ 876.521306][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.521306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.521306][ T72] ___sys_sendmsg+0xee/0x170 [ 876.521306][ T72] __sys_sendmsg+0xcd/0x170 [ 876.521306][ T72] do_syscall_64+0xc6/0x1e0 [ 876.521306][ T72] [ 876.523497][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 876.523497][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 876.523497][ T72] ipv6_find_idev+0x102/0x170 [ 876.523497][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.523497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.523497][ T72] netlink_rcv_skb+0x130/0x360 [ 876.523497][ T72] netlink_unicast+0x449/0x710 [ 876.523497][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.523497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.523497][ T72] ___sys_sendmsg+0xee/0x170 [ 876.523497][ T72] __sys_sendmsg+0xcd/0x170 [ 876.523497][ T72] do_syscall_64+0xc6/0x1e0 [ 876.523497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.523497][ T72] [ 876.525230][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 876.525230][ T72] neigh_parms_alloc+0x1e5/0x510 [ 876.525230][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 876.525230][ T72] ipv6_find_idev+0x102/0x170 [ 876.525230][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.525230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.525230][ T72] netlink_rcv_skb+0x130/0x360 [ 876.525230][ T72] netlink_unicast+0x449/0x710 [ 876.525230][ T72] netlink_sendmsg+0x723/0xbe0 [ 876.525230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 876.525230][ T72] ___sys_sendmsg+0xee/0x170 [ 876.525230][ T72] __sys_sendmsg+0xcd/0x170 [ 876.525230][ T72] do_syscall_64+0xc6/0x1e0 [ 876.525230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.525230][ T72] [ 886.768941][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 886.769442][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 886.769442][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 886.769442][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 886.769442][ T72] fib6_nh_init+0xa22/0x1580 [ 886.769442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.769442][ T72] ip6_route_add+0x1c/0x140 [ 886.769442][ T72] inet6_rtm_newroute+0x104/0x110 [ 886.769442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.769442][ T72] netlink_rcv_skb+0x130/0x360 [ 886.769442][ T72] netlink_unicast+0x449/0x710 [ 886.769442][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.769442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.769442][ T72] ___sys_sendmsg+0xee/0x170 [ 886.769442][ T72] __sys_sendmsg+0xcd/0x170 [ 886.769442][ T72] do_syscall_64+0xc6/0x1e0 [ 886.769442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.769442][ T72] [ 886.771335][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 886.771335][ T72] dst_init+0x84/0x4a0 [ 886.771335][ T72] dst_alloc+0x97/0x150 [ 886.771335][ T72] ip6_dst_alloc+0x23/0x90 [ 886.771335][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 886.771335][ T72] ip6_pol_route+0x56f/0x840 [ 886.771335][ T72] fib6_rule_lookup+0x456/0x630 [ 886.771335][ T72] ip6_route_input+0x59c/0xa50 [ 886.771335][ T72] ipv6_rcv+0x397/0x810 [ 886.771335][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 886.771335][ T72] process_backlog+0x101/0x620 [ 886.771335][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 886.771335][ T72] net_rx_action+0x495/0xbe0 [ 886.771335][ T72] __do_softirq+0x1b5/0x7f6 [ 886.771335][ T72] [ 886.772965][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 886.772965][ T72] netdev_get_by_index+0x5e/0x80 [ 886.772965][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.772965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.772965][ T72] ip6_route_add+0x1c/0x140 [ 886.772965][ T72] addrconf_prefix_route+0x2a6/0x430 [ 886.772965][ T72] inet6_addr_add+0x4f8/0xa40 [ 886.772965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.772965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.772965][ T72] netlink_rcv_skb+0x130/0x360 [ 886.772965][ T72] netlink_unicast+0x449/0x710 [ 886.772965][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.772965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.772965][ T72] ___sys_sendmsg+0xee/0x170 [ 886.772965][ T72] __sys_sendmsg+0xcd/0x170 [ 886.772965][ T72] do_syscall_64+0xc6/0x1e0 [ 886.772965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.772965][ T72] [ 886.774964][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 886.774964][ T72] netdev_get_by_index+0x5e/0x80 [ 886.774964][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.774964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.774964][ T72] addrconf_f6i_alloc+0x315/0x560 [ 886.774964][ T72] ipv6_add_addr+0x411/0x2000 [ 886.774964][ T72] inet6_addr_add+0x30e/0xa40 [ 886.774964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.774964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.774964][ T72] netlink_rcv_skb+0x130/0x360 [ 886.774964][ T72] netlink_unicast+0x449/0x710 [ 886.774964][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.774964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.774964][ T72] ___sys_sendmsg+0xee/0x170 [ 886.774964][ T72] __sys_sendmsg+0xcd/0x170 [ 886.774964][ T72] do_syscall_64+0xc6/0x1e0 [ 886.774964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.774964][ T72] [ 886.776955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 886.776955][ T72] netdev_get_by_index+0x5e/0x80 [ 886.776955][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.776955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.776955][ T72] ip6_route_add+0x1c/0x140 [ 886.776955][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 886.776955][ T72] addrconf_add_dev+0xe2/0x170 [ 886.776955][ T72] inet6_addr_add+0x12f/0xa40 [ 886.776955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.776955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.776955][ T72] netlink_rcv_skb+0x130/0x360 [ 886.776955][ T72] netlink_unicast+0x449/0x710 [ 886.776955][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.776955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.776955][ T72] ___sys_sendmsg+0xee/0x170 [ 886.776955][ T72] __sys_sendmsg+0xcd/0x170 [ 886.776955][ T72] do_syscall_64+0xc6/0x1e0 [ 886.776955][ T72] [ 886.778900][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 886.778900][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 886.778900][ T72] ipv6_find_idev+0x102/0x170 [ 886.778900][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 886.778900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.778900][ T72] netlink_rcv_skb+0x130/0x360 [ 886.778900][ T72] netlink_unicast+0x449/0x710 [ 886.778900][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.778900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.778900][ T72] ___sys_sendmsg+0xee/0x170 [ 886.778900][ T72] __sys_sendmsg+0xcd/0x170 [ 886.778900][ T72] do_syscall_64+0xc6/0x1e0 [ 886.778900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.778900][ T72] [ 886.780428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 886.780428][ T72] neigh_parms_alloc+0x1e5/0x510 [ 886.780428][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 886.780428][ T72] ipv6_find_idev+0x102/0x170 [ 886.780428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 886.780428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.780428][ T72] netlink_rcv_skb+0x130/0x360 [ 886.780428][ T72] netlink_unicast+0x449/0x710 [ 886.780428][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.780428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.780428][ T72] ___sys_sendmsg+0xee/0x170 [ 886.780428][ T72] __sys_sendmsg+0xcd/0x170 [ 886.780428][ T72] do_syscall_64+0xc6/0x1e0 [ 886.780428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.780428][ T72] [ 886.782100][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 886.782369][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 886.782369][ T72] dst_init+0x84/0x4a0 [ 886.782369][ T72] dst_alloc+0x97/0x150 [ 886.782369][ T72] ip6_dst_alloc+0x23/0x90 [ 886.782369][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 886.782369][ T72] ip6_pol_route+0x56f/0x840 [ 886.782369][ T72] fib6_rule_lookup+0x456/0x630 [ 886.782369][ T72] ip6_route_input+0x59c/0xa50 [ 886.782369][ T72] ipv6_rcv+0x397/0x810 [ 886.782369][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 886.782369][ T72] process_backlog+0x101/0x620 [ 886.782369][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 886.782369][ T72] net_rx_action+0x495/0xbe0 [ 886.782369][ T72] __do_softirq+0x1b5/0x7f6 [ 886.782369][ T72] [ 886.784012][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 886.784012][ T72] netdev_get_by_index+0x5e/0x80 [ 886.784012][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.784012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.784012][ T72] addrconf_f6i_alloc+0x265/0x560 [ 886.784012][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 886.784012][ T72] addrconf_join_anycast+0x1c0/0x220 [ 886.784012][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 886.784012][ T72] addrconf_dad_completed+0x12b/0xe20 [ 886.784012][ T72] addrconf_dad_begin+0x310/0x670 [ 886.784012][ T72] addrconf_dad_work+0x10b/0xab0 [ 886.784012][ T72] process_one_work+0x84d/0x18a0 [ 886.784012][ T72] worker_thread+0x587/0xd30 [ 886.784012][ T72] kthread+0x28a/0x350 [ 886.784012][ T72] ret_from_fork+0x31/0x70 [ 886.784012][ T72] ret_from_fork_asm+0x1a/0x30 [ 886.784012][ T72] [ 886.785918][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 886.785918][ T72] netdev_get_by_index+0x5e/0x80 [ 886.785918][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.785918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.785918][ T72] ip6_route_add+0x1c/0x140 [ 886.785918][ T72] addrconf_prefix_route+0x2a6/0x430 [ 886.785918][ T72] inet6_addr_add+0x4f8/0xa40 [ 886.785918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.785918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.785918][ T72] netlink_rcv_skb+0x130/0x360 [ 886.785918][ T72] netlink_unicast+0x449/0x710 [ 886.785918][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.785918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.785918][ T72] ___sys_sendmsg+0xee/0x170 [ 886.785918][ T72] __sys_sendmsg+0xcd/0x170 [ 886.785918][ T72] do_syscall_64+0xc6/0x1e0 [ 886.785918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.785918][ T72] [ 886.787910][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 886.787910][ T72] netdev_get_by_index+0x5e/0x80 [ 886.787910][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.787910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.787910][ T72] addrconf_f6i_alloc+0x315/0x560 [ 886.787910][ T72] ipv6_add_addr+0x411/0x2000 [ 886.787910][ T72] inet6_addr_add+0x30e/0xa40 [ 886.787910][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.787910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.787910][ T72] netlink_rcv_skb+0x130/0x360 [ 886.787910][ T72] netlink_unicast+0x449/0x710 [ 886.787910][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.787910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.787910][ T72] ___sys_sendmsg+0xee/0x170 [ 886.787910][ T72] __sys_sendmsg+0xcd/0x170 [ 886.787910][ T72] do_syscall_64+0xc6/0x1e0 [ 886.787910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.787910][ T72] [ 886.789883][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 886.789883][ T72] netdev_get_by_index+0x5e/0x80 [ 886.789883][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.789883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.789883][ T72] ip6_route_add+0x1c/0x140 [ 886.789883][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 886.789883][ T72] addrconf_add_dev+0xe2/0x170 [ 886.789883][ T72] inet6_addr_add+0x12f/0xa40 [ 886.789883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.789883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.789883][ T72] netlink_rcv_skb+0x130/0x360 [ 886.789883][ T72] netlink_unicast+0x449/0x710 [ 886.789883][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.789883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.789883][ T72] ___sys_sendmsg+0xee/0x170 [ 886.789883][ T72] __sys_sendmsg+0xcd/0x170 [ 886.789883][ T72] do_syscall_64+0xc6/0x1e0 [ 886.789883][ T72] [ 886.791859][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 886.791859][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 886.791859][ T72] ipv6_find_idev+0x102/0x170 [ 886.791859][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 886.791859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.791859][ T72] netlink_rcv_skb+0x130/0x360 [ 886.791859][ T72] netlink_unicast+0x449/0x710 [ 886.791859][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.791859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.791859][ T72] ___sys_sendmsg+0xee/0x170 [ 886.791859][ T72] __sys_sendmsg+0xcd/0x170 [ 886.791859][ T72] do_syscall_64+0xc6/0x1e0 [ 886.791859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.791859][ T72] [ 886.793385][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 886.793385][ T72] neigh_parms_alloc+0x1e5/0x510 [ 886.793385][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 886.793385][ T72] ipv6_find_idev+0x102/0x170 [ 886.793385][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 886.793385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.793385][ T72] netlink_rcv_skb+0x130/0x360 [ 886.793385][ T72] netlink_unicast+0x449/0x710 [ 886.793385][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.793385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.793385][ T72] ___sys_sendmsg+0xee/0x170 [ 886.793385][ T72] __sys_sendmsg+0xcd/0x170 [ 886.793385][ T72] do_syscall_64+0xc6/0x1e0 [ 886.793385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.793385][ T72] [ 886.795124][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 886.795454][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 886.795454][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 886.795454][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 886.795454][ T72] fib6_nh_init+0xa22/0x1580 [ 886.795454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.795454][ T72] ip6_route_add+0x1c/0x140 [ 886.795454][ T72] inet6_rtm_newroute+0x104/0x110 [ 886.795454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.795454][ T72] netlink_rcv_skb+0x130/0x360 [ 886.795454][ T72] netlink_unicast+0x449/0x710 [ 886.795454][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.795454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.795454][ T72] ___sys_sendmsg+0xee/0x170 [ 886.795454][ T72] __sys_sendmsg+0xcd/0x170 [ 886.795454][ T72] do_syscall_64+0xc6/0x1e0 [ 886.795454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.795454][ T72] [ 886.797500][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 886.797500][ T72] dst_init+0x84/0x4a0 [ 886.797500][ T72] dst_alloc+0x97/0x150 [ 886.797500][ T72] ip6_dst_alloc+0x23/0x90 [ 886.797500][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 886.797500][ T72] ip6_pol_route+0x56f/0x840 [ 886.797500][ T72] fib6_rule_lookup+0x456/0x630 [ 886.797500][ T72] ip6_route_input+0x59c/0xa50 [ 886.797500][ T72] ipv6_rcv+0x397/0x810 [ 886.797500][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 886.797500][ T72] process_backlog+0x101/0x620 [ 886.797500][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 886.797500][ T72] net_rx_action+0x495/0xbe0 [ 886.797500][ T72] __do_softirq+0x1b5/0x7f6 [ 886.797500][ T72] [ 886.799361][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 886.799361][ T72] netdev_get_by_index+0x5e/0x80 [ 886.799361][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.799361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.799361][ T72] ip6_route_add+0x1c/0x140 [ 886.799361][ T72] addrconf_prefix_route+0x2a6/0x430 [ 886.799361][ T72] inet6_addr_add+0x4f8/0xa40 [ 886.799361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.799361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.799361][ T72] netlink_rcv_skb+0x130/0x360 [ 886.799361][ T72] netlink_unicast+0x449/0x710 [ 886.799361][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.799361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.799361][ T72] ___sys_sendmsg+0xee/0x170 [ 886.799361][ T72] __sys_sendmsg+0xcd/0x170 [ 886.799361][ T72] do_syscall_64+0xc6/0x1e0 [ 886.799361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.799361][ T72] [ 886.801522][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 886.801522][ T72] netdev_get_by_index+0x5e/0x80 [ 886.801522][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.801522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.801522][ T72] addrconf_f6i_alloc+0x315/0x560 [ 886.801522][ T72] ipv6_add_addr+0x411/0x2000 [ 886.801522][ T72] inet6_addr_add+0x30e/0xa40 [ 886.801522][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.801522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.801522][ T72] netlink_rcv_skb+0x130/0x360 [ 886.801522][ T72] netlink_unicast+0x449/0x710 [ 886.801522][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.801522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.801522][ T72] ___sys_sendmsg+0xee/0x170 [ 886.801522][ T72] __sys_sendmsg+0xcd/0x170 [ 886.801522][ T72] do_syscall_64+0xc6/0x1e0 [ 886.801522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.801522][ T72] [ 886.803694][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 886.803694][ T72] netdev_get_by_index+0x5e/0x80 [ 886.803694][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.803694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.803694][ T72] ip6_route_add+0x1c/0x140 [ 886.803694][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 886.803694][ T72] addrconf_add_dev+0xe2/0x170 [ 886.803694][ T72] inet6_addr_add+0x12f/0xa40 [ 886.803694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.803694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.803694][ T72] netlink_rcv_skb+0x130/0x360 [ 886.803694][ T72] netlink_unicast+0x449/0x710 [ 886.803694][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.803694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.803694][ T72] ___sys_sendmsg+0xee/0x170 [ 886.803694][ T72] __sys_sendmsg+0xcd/0x170 [ 886.803694][ T72] do_syscall_64+0xc6/0x1e0 [ 886.803694][ T72] [ 886.805945][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 886.805945][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 886.805945][ T72] ipv6_find_idev+0x102/0x170 [ 886.805945][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 886.805945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.805945][ T72] netlink_rcv_skb+0x130/0x360 [ 886.805945][ T72] netlink_unicast+0x449/0x710 [ 886.805945][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.805945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.805945][ T72] ___sys_sendmsg+0xee/0x170 [ 886.805945][ T72] __sys_sendmsg+0xcd/0x170 [ 886.805945][ T72] do_syscall_64+0xc6/0x1e0 [ 886.805945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.805945][ T72] [ 886.807648][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 886.807648][ T72] neigh_parms_alloc+0x1e5/0x510 [ 886.807648][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 886.807648][ T72] ipv6_find_idev+0x102/0x170 [ 886.807648][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 886.807648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.807648][ T72] netlink_rcv_skb+0x130/0x360 [ 886.807648][ T72] netlink_unicast+0x449/0x710 [ 886.807648][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.807648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.807648][ T72] ___sys_sendmsg+0xee/0x170 [ 886.807648][ T72] __sys_sendmsg+0xcd/0x170 [ 886.807648][ T72] do_syscall_64+0xc6/0x1e0 [ 886.807648][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.807648][ T72] [ 886.809494][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 886.809828][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 886.809828][ T72] netdev_get_by_index+0x5e/0x80 [ 886.809828][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.809828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.809828][ T72] addrconf_f6i_alloc+0x265/0x560 [ 886.809828][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 886.809828][ T72] addrconf_join_anycast+0x1c0/0x220 [ 886.809828][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 886.809828][ T72] addrconf_dad_completed+0x12b/0xe20 [ 886.809828][ T72] addrconf_dad_begin+0x310/0x670 [ 886.809828][ T72] addrconf_dad_work+0x10b/0xab0 [ 886.809828][ T72] process_one_work+0x84d/0x18a0 [ 886.809828][ T72] worker_thread+0x587/0xd30 [ 886.809828][ T72] kthread+0x28a/0x350 [ 886.809828][ T72] ret_from_fork+0x31/0x70 [ 886.809828][ T72] ret_from_fork_asm+0x1a/0x30 [ 886.809828][ T72] [ 886.811896][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 886.811896][ T72] netdev_get_by_index+0x5e/0x80 [ 886.811896][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.811896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.811896][ T72] ip6_route_add+0x1c/0x140 [ 886.811896][ T72] addrconf_prefix_route+0x2a6/0x430 [ 886.811896][ T72] inet6_addr_add+0x4f8/0xa40 [ 886.811896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.811896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.811896][ T72] netlink_rcv_skb+0x130/0x360 [ 886.811896][ T72] netlink_unicast+0x449/0x710 [ 886.811896][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.811896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.811896][ T72] ___sys_sendmsg+0xee/0x170 [ 886.811896][ T72] __sys_sendmsg+0xcd/0x170 [ 886.811896][ T72] do_syscall_64+0xc6/0x1e0 [ 886.811896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.811896][ T72] [ 886.814131][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 886.814131][ T72] netdev_get_by_index+0x5e/0x80 [ 886.814131][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.814131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.814131][ T72] addrconf_f6i_alloc+0x315/0x560 [ 886.814131][ T72] ipv6_add_addr+0x411/0x2000 [ 886.814131][ T72] inet6_addr_add+0x30e/0xa40 [ 886.814131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.814131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.814131][ T72] netlink_rcv_skb+0x130/0x360 [ 886.814131][ T72] netlink_unicast+0x449/0x710 [ 886.814131][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.814131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.814131][ T72] ___sys_sendmsg+0xee/0x170 [ 886.814131][ T72] __sys_sendmsg+0xcd/0x170 [ 886.814131][ T72] do_syscall_64+0xc6/0x1e0 [ 886.814131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.814131][ T72] [ 886.816420][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 886.816420][ T72] netdev_get_by_index+0x5e/0x80 [ 886.816420][ T72] fib6_nh_init+0x3d8/0x1580 [ 886.816420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 886.816420][ T72] ip6_route_add+0x1c/0x140 [ 886.816420][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 886.816420][ T72] addrconf_add_dev+0xe2/0x170 [ 886.816420][ T72] inet6_addr_add+0x12f/0xa40 [ 886.816420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 886.816420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.816420][ T72] netlink_rcv_skb+0x130/0x360 [ 886.816420][ T72] netlink_unicast+0x449/0x710 [ 886.816420][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.816420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.816420][ T72] ___sys_sendmsg+0xee/0x170 [ 886.816420][ T72] __sys_sendmsg+0xcd/0x170 [ 886.816420][ T72] do_syscall_64+0xc6/0x1e0 [ 886.816420][ T72] [ 886.818606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 886.818606][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 886.818606][ T72] ipv6_find_idev+0x102/0x170 [ 886.818606][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 886.818606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.818606][ T72] netlink_rcv_skb+0x130/0x360 [ 886.818606][ T72] netlink_unicast+0x449/0x710 [ 886.818606][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.818606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.818606][ T72] ___sys_sendmsg+0xee/0x170 [ 886.818606][ T72] __sys_sendmsg+0xcd/0x170 [ 886.818606][ T72] do_syscall_64+0xc6/0x1e0 [ 886.818606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.818606][ T72] [ 886.820313][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 886.820313][ T72] neigh_parms_alloc+0x1e5/0x510 [ 886.820313][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 886.820313][ T72] ipv6_find_idev+0x102/0x170 [ 886.820313][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 886.820313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 886.820313][ T72] netlink_rcv_skb+0x130/0x360 [ 886.820313][ T72] netlink_unicast+0x449/0x710 [ 886.820313][ T72] netlink_sendmsg+0x723/0xbe0 [ 886.820313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 886.820313][ T72] ___sys_sendmsg+0xee/0x170 [ 886.820313][ T72] __sys_sendmsg+0xcd/0x170 [ 886.820313][ T72] do_syscall_64+0xc6/0x1e0 [ 886.820313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 886.820313][ T72] [ 897.064921][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 897.065429][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 897.065429][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 897.065429][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 897.065429][ T72] fib6_nh_init+0xa22/0x1580 [ 897.065429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.065429][ T72] ip6_route_add+0x1c/0x140 [ 897.065429][ T72] inet6_rtm_newroute+0x104/0x110 [ 897.065429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.065429][ T72] netlink_rcv_skb+0x130/0x360 [ 897.065429][ T72] netlink_unicast+0x449/0x710 [ 897.065429][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.065429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.065429][ T72] ___sys_sendmsg+0xee/0x170 [ 897.065429][ T72] __sys_sendmsg+0xcd/0x170 [ 897.065429][ T72] do_syscall_64+0xc6/0x1e0 [ 897.065429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.065429][ T72] [ 897.067345][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 897.067345][ T72] dst_init+0x84/0x4a0 [ 897.067345][ T72] dst_alloc+0x97/0x150 [ 897.067345][ T72] ip6_dst_alloc+0x23/0x90 [ 897.067345][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 897.067345][ T72] ip6_pol_route+0x56f/0x840 [ 897.067345][ T72] fib6_rule_lookup+0x456/0x630 [ 897.067345][ T72] ip6_route_input+0x59c/0xa50 [ 897.067345][ T72] ipv6_rcv+0x397/0x810 [ 897.067345][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 897.067345][ T72] process_backlog+0x101/0x620 [ 897.067345][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 897.067345][ T72] net_rx_action+0x495/0xbe0 [ 897.067345][ T72] __do_softirq+0x1b5/0x7f6 [ 897.067345][ T72] [ 897.068979][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 897.068979][ T72] netdev_get_by_index+0x5e/0x80 [ 897.068979][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.068979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.068979][ T72] ip6_route_add+0x1c/0x140 [ 897.068979][ T72] addrconf_prefix_route+0x2a6/0x430 [ 897.068979][ T72] inet6_addr_add+0x4f8/0xa40 [ 897.068979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.068979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.068979][ T72] netlink_rcv_skb+0x130/0x360 [ 897.068979][ T72] netlink_unicast+0x449/0x710 [ 897.068979][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.068979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.068979][ T72] ___sys_sendmsg+0xee/0x170 [ 897.068979][ T72] __sys_sendmsg+0xcd/0x170 [ 897.068979][ T72] do_syscall_64+0xc6/0x1e0 [ 897.068979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.068979][ T72] [ 897.070980][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 897.070980][ T72] netdev_get_by_index+0x5e/0x80 [ 897.070980][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.070980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.070980][ T72] addrconf_f6i_alloc+0x315/0x560 [ 897.070980][ T72] ipv6_add_addr+0x411/0x2000 [ 897.070980][ T72] inet6_addr_add+0x30e/0xa40 [ 897.070980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.070980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.070980][ T72] netlink_rcv_skb+0x130/0x360 [ 897.070980][ T72] netlink_unicast+0x449/0x710 [ 897.070980][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.070980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.070980][ T72] ___sys_sendmsg+0xee/0x170 [ 897.070980][ T72] __sys_sendmsg+0xcd/0x170 [ 897.070980][ T72] do_syscall_64+0xc6/0x1e0 [ 897.070980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.070980][ T72] [ 897.072968][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 897.072968][ T72] netdev_get_by_index+0x5e/0x80 [ 897.072968][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.072968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.072968][ T72] ip6_route_add+0x1c/0x140 [ 897.072968][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 897.072968][ T72] addrconf_add_dev+0xe2/0x170 [ 897.072968][ T72] inet6_addr_add+0x12f/0xa40 [ 897.072968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.072968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.072968][ T72] netlink_rcv_skb+0x130/0x360 [ 897.072968][ T72] netlink_unicast+0x449/0x710 [ 897.072968][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.072968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.072968][ T72] ___sys_sendmsg+0xee/0x170 [ 897.072968][ T72] __sys_sendmsg+0xcd/0x170 [ 897.072968][ T72] do_syscall_64+0xc6/0x1e0 [ 897.072968][ T72] [ 897.074945][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 897.074945][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 897.074945][ T72] ipv6_find_idev+0x102/0x170 [ 897.074945][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.074945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.074945][ T72] netlink_rcv_skb+0x130/0x360 [ 897.074945][ T72] netlink_unicast+0x449/0x710 [ 897.074945][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.074945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.074945][ T72] ___sys_sendmsg+0xee/0x170 [ 897.074945][ T72] __sys_sendmsg+0xcd/0x170 [ 897.074945][ T72] do_syscall_64+0xc6/0x1e0 [ 897.074945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.074945][ T72] [ 897.076479][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 897.076479][ T72] neigh_parms_alloc+0x1e5/0x510 [ 897.076479][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 897.076479][ T72] ipv6_find_idev+0x102/0x170 [ 897.076479][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.076479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.076479][ T72] netlink_rcv_skb+0x130/0x360 [ 897.076479][ T72] netlink_unicast+0x449/0x710 [ 897.076479][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.076479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.076479][ T72] ___sys_sendmsg+0xee/0x170 [ 897.076479][ T72] __sys_sendmsg+0xcd/0x170 [ 897.076479][ T72] do_syscall_64+0xc6/0x1e0 [ 897.076479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.076479][ T72] [ 897.078165][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 897.078445][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 897.078445][ T72] dst_init+0x84/0x4a0 [ 897.078445][ T72] dst_alloc+0x97/0x150 [ 897.078445][ T72] ip6_dst_alloc+0x23/0x90 [ 897.078445][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 897.078445][ T72] ip6_pol_route+0x56f/0x840 [ 897.078445][ T72] fib6_rule_lookup+0x456/0x630 [ 897.078445][ T72] ip6_route_input+0x59c/0xa50 [ 897.078445][ T72] ipv6_rcv+0x397/0x810 [ 897.078445][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 897.078445][ T72] process_backlog+0x101/0x620 [ 897.078445][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 897.078445][ T72] net_rx_action+0x495/0xbe0 [ 897.078445][ T72] __do_softirq+0x1b5/0x7f6 [ 897.078445][ T72] [ 897.080081][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 897.080081][ T72] netdev_get_by_index+0x5e/0x80 [ 897.080081][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.080081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.080081][ T72] addrconf_f6i_alloc+0x265/0x560 [ 897.080081][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 897.080081][ T72] addrconf_join_anycast+0x1c0/0x220 [ 897.080081][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 897.080081][ T72] addrconf_dad_completed+0x12b/0xe20 [ 897.080081][ T72] addrconf_dad_begin+0x310/0x670 [ 897.080081][ T72] addrconf_dad_work+0x10b/0xab0 [ 897.080081][ T72] process_one_work+0x84d/0x18a0 [ 897.080081][ T72] worker_thread+0x587/0xd30 [ 897.080081][ T72] kthread+0x28a/0x350 [ 897.080081][ T72] ret_from_fork+0x31/0x70 [ 897.080081][ T72] ret_from_fork_asm+0x1a/0x30 [ 897.080081][ T72] [ 897.081995][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 897.081995][ T72] netdev_get_by_index+0x5e/0x80 [ 897.081995][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.081995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.081995][ T72] ip6_route_add+0x1c/0x140 [ 897.081995][ T72] addrconf_prefix_route+0x2a6/0x430 [ 897.081995][ T72] inet6_addr_add+0x4f8/0xa40 [ 897.081995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.081995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.081995][ T72] netlink_rcv_skb+0x130/0x360 [ 897.081995][ T72] netlink_unicast+0x449/0x710 [ 897.081995][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.081995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.081995][ T72] ___sys_sendmsg+0xee/0x170 [ 897.081995][ T72] __sys_sendmsg+0xcd/0x170 [ 897.081995][ T72] do_syscall_64+0xc6/0x1e0 [ 897.081995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.081995][ T72] [ 897.084001][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 897.084001][ T72] netdev_get_by_index+0x5e/0x80 [ 897.084001][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.084001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.084001][ T72] addrconf_f6i_alloc+0x315/0x560 [ 897.084001][ T72] ipv6_add_addr+0x411/0x2000 [ 897.084001][ T72] inet6_addr_add+0x30e/0xa40 [ 897.084001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.084001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.084001][ T72] netlink_rcv_skb+0x130/0x360 [ 897.084001][ T72] netlink_unicast+0x449/0x710 [ 897.084001][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.084001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.084001][ T72] ___sys_sendmsg+0xee/0x170 [ 897.084001][ T72] __sys_sendmsg+0xcd/0x170 [ 897.084001][ T72] do_syscall_64+0xc6/0x1e0 [ 897.084001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.084001][ T72] [ 897.085997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 897.085997][ T72] netdev_get_by_index+0x5e/0x80 [ 897.085997][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.085997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.085997][ T72] ip6_route_add+0x1c/0x140 [ 897.085997][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 897.085997][ T72] addrconf_add_dev+0xe2/0x170 [ 897.085997][ T72] inet6_addr_add+0x12f/0xa40 [ 897.085997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.085997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.085997][ T72] netlink_rcv_skb+0x130/0x360 [ 897.085997][ T72] netlink_unicast+0x449/0x710 [ 897.085997][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.085997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.085997][ T72] ___sys_sendmsg+0xee/0x170 [ 897.085997][ T72] __sys_sendmsg+0xcd/0x170 [ 897.085997][ T72] do_syscall_64+0xc6/0x1e0 [ 897.085997][ T72] [ 897.087962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 897.087962][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 897.087962][ T72] ipv6_find_idev+0x102/0x170 [ 897.087962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.087962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.087962][ T72] netlink_rcv_skb+0x130/0x360 [ 897.087962][ T72] netlink_unicast+0x449/0x710 [ 897.087962][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.087962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.087962][ T72] ___sys_sendmsg+0xee/0x170 [ 897.087962][ T72] __sys_sendmsg+0xcd/0x170 [ 897.087962][ T72] do_syscall_64+0xc6/0x1e0 [ 897.087962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.087962][ T72] [ 897.089502][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 897.089502][ T72] neigh_parms_alloc+0x1e5/0x510 [ 897.089502][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 897.089502][ T72] ipv6_find_idev+0x102/0x170 [ 897.089502][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.089502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.089502][ T72] netlink_rcv_skb+0x130/0x360 [ 897.089502][ T72] netlink_unicast+0x449/0x710 [ 897.089502][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.089502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.089502][ T72] ___sys_sendmsg+0xee/0x170 [ 897.089502][ T72] __sys_sendmsg+0xcd/0x170 [ 897.089502][ T72] do_syscall_64+0xc6/0x1e0 [ 897.089502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.089502][ T72] [ 897.091259][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 897.091592][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 897.091592][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 897.091592][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 897.091592][ T72] fib6_nh_init+0xa22/0x1580 [ 897.091592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.091592][ T72] ip6_route_add+0x1c/0x140 [ 897.091592][ T72] inet6_rtm_newroute+0x104/0x110 [ 897.091592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.091592][ T72] netlink_rcv_skb+0x130/0x360 [ 897.091592][ T72] netlink_unicast+0x449/0x710 [ 897.091592][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.091592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.091592][ T72] ___sys_sendmsg+0xee/0x170 [ 897.091592][ T72] __sys_sendmsg+0xcd/0x170 [ 897.091592][ T72] do_syscall_64+0xc6/0x1e0 [ 897.091592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.091592][ T72] [ 897.093668][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 897.093668][ T72] dst_init+0x84/0x4a0 [ 897.093668][ T72] dst_alloc+0x97/0x150 [ 897.093668][ T72] ip6_dst_alloc+0x23/0x90 [ 897.093668][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 897.093668][ T72] ip6_pol_route+0x56f/0x840 [ 897.093668][ T72] fib6_rule_lookup+0x456/0x630 [ 897.093668][ T72] ip6_route_input+0x59c/0xa50 [ 897.093668][ T72] ipv6_rcv+0x397/0x810 [ 897.093668][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 897.093668][ T72] process_backlog+0x101/0x620 [ 897.093668][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 897.093668][ T72] net_rx_action+0x495/0xbe0 [ 897.093668][ T72] __do_softirq+0x1b5/0x7f6 [ 897.093668][ T72] [ 897.095544][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 897.095544][ T72] netdev_get_by_index+0x5e/0x80 [ 897.095544][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.095544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.095544][ T72] ip6_route_add+0x1c/0x140 [ 897.095544][ T72] addrconf_prefix_route+0x2a6/0x430 [ 897.095544][ T72] inet6_addr_add+0x4f8/0xa40 [ 897.095544][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.095544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.095544][ T72] netlink_rcv_skb+0x130/0x360 [ 897.095544][ T72] netlink_unicast+0x449/0x710 [ 897.095544][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.095544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.095544][ T72] ___sys_sendmsg+0xee/0x170 [ 897.095544][ T72] __sys_sendmsg+0xcd/0x170 [ 897.095544][ T72] do_syscall_64+0xc6/0x1e0 [ 897.095544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.095544][ T72] [ 897.097723][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 897.097723][ T72] netdev_get_by_index+0x5e/0x80 [ 897.097723][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.097723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.097723][ T72] addrconf_f6i_alloc+0x315/0x560 [ 897.097723][ T72] ipv6_add_addr+0x411/0x2000 [ 897.097723][ T72] inet6_addr_add+0x30e/0xa40 [ 897.097723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.097723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.097723][ T72] netlink_rcv_skb+0x130/0x360 [ 897.097723][ T72] netlink_unicast+0x449/0x710 [ 897.097723][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.097723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.097723][ T72] ___sys_sendmsg+0xee/0x170 [ 897.097723][ T72] __sys_sendmsg+0xcd/0x170 [ 897.097723][ T72] do_syscall_64+0xc6/0x1e0 [ 897.097723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.097723][ T72] [ 897.099905][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 897.099905][ T72] netdev_get_by_index+0x5e/0x80 [ 897.099905][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.099905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.099905][ T72] ip6_route_add+0x1c/0x140 [ 897.099905][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 897.099905][ T72] addrconf_add_dev+0xe2/0x170 [ 897.099905][ T72] inet6_addr_add+0x12f/0xa40 [ 897.099905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.099905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.099905][ T72] netlink_rcv_skb+0x130/0x360 [ 897.099905][ T72] netlink_unicast+0x449/0x710 [ 897.099905][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.099905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.099905][ T72] ___sys_sendmsg+0xee/0x170 [ 897.099905][ T72] __sys_sendmsg+0xcd/0x170 [ 897.099905][ T72] do_syscall_64+0xc6/0x1e0 [ 897.099905][ T72] [ 897.102164][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 897.102164][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 897.102164][ T72] ipv6_find_idev+0x102/0x170 [ 897.102164][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.102164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.102164][ T72] netlink_rcv_skb+0x130/0x360 [ 897.102164][ T72] netlink_unicast+0x449/0x710 [ 897.102164][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.102164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.102164][ T72] ___sys_sendmsg+0xee/0x170 [ 897.102164][ T72] __sys_sendmsg+0xcd/0x170 [ 897.102164][ T72] do_syscall_64+0xc6/0x1e0 [ 897.102164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.102164][ T72] [ 897.103890][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 897.103890][ T72] neigh_parms_alloc+0x1e5/0x510 [ 897.103890][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 897.103890][ T72] ipv6_find_idev+0x102/0x170 [ 897.103890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.103890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.103890][ T72] netlink_rcv_skb+0x130/0x360 [ 897.103890][ T72] netlink_unicast+0x449/0x710 [ 897.103890][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.103890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.103890][ T72] ___sys_sendmsg+0xee/0x170 [ 897.103890][ T72] __sys_sendmsg+0xcd/0x170 [ 897.103890][ T72] do_syscall_64+0xc6/0x1e0 [ 897.103890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.103890][ T72] [ 897.106309][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 897.106637][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 897.106637][ T72] netdev_get_by_index+0x5e/0x80 [ 897.106637][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.106637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.106637][ T72] addrconf_f6i_alloc+0x265/0x560 [ 897.106637][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 897.106637][ T72] addrconf_join_anycast+0x1c0/0x220 [ 897.106637][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 897.106637][ T72] addrconf_dad_completed+0x12b/0xe20 [ 897.106637][ T72] addrconf_dad_begin+0x310/0x670 [ 897.106637][ T72] addrconf_dad_work+0x10b/0xab0 [ 897.106637][ T72] process_one_work+0x84d/0x18a0 [ 897.106637][ T72] worker_thread+0x587/0xd30 [ 897.106637][ T72] kthread+0x28a/0x350 [ 897.106637][ T72] ret_from_fork+0x31/0x70 [ 897.106637][ T72] ret_from_fork_asm+0x1a/0x30 [ 897.106637][ T72] [ 897.109112][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 897.109112][ T72] netdev_get_by_index+0x5e/0x80 [ 897.109112][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.109112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.109112][ T72] ip6_route_add+0x1c/0x140 [ 897.109112][ T72] addrconf_prefix_route+0x2a6/0x430 [ 897.109112][ T72] inet6_addr_add+0x4f8/0xa40 [ 897.109112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.109112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.109112][ T72] netlink_rcv_skb+0x130/0x360 [ 897.109112][ T72] netlink_unicast+0x449/0x710 [ 897.109112][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.109112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.109112][ T72] ___sys_sendmsg+0xee/0x170 [ 897.109112][ T72] __sys_sendmsg+0xcd/0x170 [ 897.109112][ T72] do_syscall_64+0xc6/0x1e0 [ 897.109112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.109112][ T72] [ 897.111362][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 897.111362][ T72] netdev_get_by_index+0x5e/0x80 [ 897.111362][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.111362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.111362][ T72] addrconf_f6i_alloc+0x315/0x560 [ 897.111362][ T72] ipv6_add_addr+0x411/0x2000 [ 897.111362][ T72] inet6_addr_add+0x30e/0xa40 [ 897.111362][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.111362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.111362][ T72] netlink_rcv_skb+0x130/0x360 [ 897.111362][ T72] netlink_unicast+0x449/0x710 [ 897.111362][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.111362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.111362][ T72] ___sys_sendmsg+0xee/0x170 [ 897.111362][ T72] __sys_sendmsg+0xcd/0x170 [ 897.111362][ T72] do_syscall_64+0xc6/0x1e0 [ 897.111362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.111362][ T72] [ 897.113703][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 897.113703][ T72] netdev_get_by_index+0x5e/0x80 [ 897.113703][ T72] fib6_nh_init+0x3d8/0x1580 [ 897.113703][ T72] ip6_route_info_create+0xf18/0x17d0 [ 897.113703][ T72] ip6_route_add+0x1c/0x140 [ 897.113703][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 897.113703][ T72] addrconf_add_dev+0xe2/0x170 [ 897.113703][ T72] inet6_addr_add+0x12f/0xa40 [ 897.113703][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 897.113703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.113703][ T72] netlink_rcv_skb+0x130/0x360 [ 897.113703][ T72] netlink_unicast+0x449/0x710 [ 897.113703][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.113703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.113703][ T72] ___sys_sendmsg+0xee/0x170 [ 897.113703][ T72] __sys_sendmsg+0xcd/0x170 [ 897.113703][ T72] do_syscall_64+0xc6/0x1e0 [ 897.113703][ T72] [ 897.115908][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 897.115908][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 897.115908][ T72] ipv6_find_idev+0x102/0x170 [ 897.115908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.115908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.115908][ T72] netlink_rcv_skb+0x130/0x360 [ 897.115908][ T72] netlink_unicast+0x449/0x710 [ 897.115908][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.115908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.115908][ T72] ___sys_sendmsg+0xee/0x170 [ 897.115908][ T72] __sys_sendmsg+0xcd/0x170 [ 897.115908][ T72] do_syscall_64+0xc6/0x1e0 [ 897.115908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.115908][ T72] [ 897.117626][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 897.117626][ T72] neigh_parms_alloc+0x1e5/0x510 [ 897.117626][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 897.117626][ T72] ipv6_find_idev+0x102/0x170 [ 897.117626][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.117626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.117626][ T72] netlink_rcv_skb+0x130/0x360 [ 897.117626][ T72] netlink_unicast+0x449/0x710 [ 897.117626][ T72] netlink_sendmsg+0x723/0xbe0 [ 897.117626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 897.117626][ T72] ___sys_sendmsg+0xee/0x170 [ 897.117626][ T72] __sys_sendmsg+0xcd/0x170 [ 897.117626][ T72] do_syscall_64+0xc6/0x1e0 [ 897.117626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.117626][ T72] [ 907.360916][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 907.361369][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 907.361369][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 907.361369][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 907.361369][ T72] fib6_nh_init+0xa22/0x1580 [ 907.361369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.361369][ T72] ip6_route_add+0x1c/0x140 [ 907.361369][ T72] inet6_rtm_newroute+0x104/0x110 [ 907.361369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.361369][ T72] netlink_rcv_skb+0x130/0x360 [ 907.361369][ T72] netlink_unicast+0x449/0x710 [ 907.361369][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.361369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.361369][ T72] ___sys_sendmsg+0xee/0x170 [ 907.361369][ T72] __sys_sendmsg+0xcd/0x170 [ 907.361369][ T72] do_syscall_64+0xc6/0x1e0 [ 907.361369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.361369][ T72] [ 907.363269][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 907.363269][ T72] dst_init+0x84/0x4a0 [ 907.363269][ T72] dst_alloc+0x97/0x150 [ 907.363269][ T72] ip6_dst_alloc+0x23/0x90 [ 907.363269][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 907.363269][ T72] ip6_pol_route+0x56f/0x840 [ 907.363269][ T72] fib6_rule_lookup+0x456/0x630 [ 907.363269][ T72] ip6_route_input+0x59c/0xa50 [ 907.363269][ T72] ipv6_rcv+0x397/0x810 [ 907.363269][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 907.363269][ T72] process_backlog+0x101/0x620 [ 907.363269][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 907.363269][ T72] net_rx_action+0x495/0xbe0 [ 907.363269][ T72] __do_softirq+0x1b5/0x7f6 [ 907.363269][ T72] [ 907.364914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 907.364914][ T72] netdev_get_by_index+0x5e/0x80 [ 907.364914][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.364914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.364914][ T72] ip6_route_add+0x1c/0x140 [ 907.364914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 907.364914][ T72] inet6_addr_add+0x4f8/0xa40 [ 907.364914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.364914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.364914][ T72] netlink_rcv_skb+0x130/0x360 [ 907.364914][ T72] netlink_unicast+0x449/0x710 [ 907.364914][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.364914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.364914][ T72] ___sys_sendmsg+0xee/0x170 [ 907.364914][ T72] __sys_sendmsg+0xcd/0x170 [ 907.364914][ T72] do_syscall_64+0xc6/0x1e0 [ 907.364914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.364914][ T72] [ 907.366912][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 907.366912][ T72] netdev_get_by_index+0x5e/0x80 [ 907.366912][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.366912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.366912][ T72] addrconf_f6i_alloc+0x315/0x560 [ 907.366912][ T72] ipv6_add_addr+0x411/0x2000 [ 907.366912][ T72] inet6_addr_add+0x30e/0xa40 [ 907.366912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.366912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.366912][ T72] netlink_rcv_skb+0x130/0x360 [ 907.366912][ T72] netlink_unicast+0x449/0x710 [ 907.366912][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.366912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.366912][ T72] ___sys_sendmsg+0xee/0x170 [ 907.366912][ T72] __sys_sendmsg+0xcd/0x170 [ 907.366912][ T72] do_syscall_64+0xc6/0x1e0 [ 907.366912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.366912][ T72] [ 907.368906][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 907.368906][ T72] netdev_get_by_index+0x5e/0x80 [ 907.368906][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.368906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.368906][ T72] ip6_route_add+0x1c/0x140 [ 907.368906][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 907.368906][ T72] addrconf_add_dev+0xe2/0x170 [ 907.368906][ T72] inet6_addr_add+0x12f/0xa40 [ 907.368906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.368906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.368906][ T72] netlink_rcv_skb+0x130/0x360 [ 907.368906][ T72] netlink_unicast+0x449/0x710 [ 907.368906][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.368906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.368906][ T72] ___sys_sendmsg+0xee/0x170 [ 907.368906][ T72] __sys_sendmsg+0xcd/0x170 [ 907.368906][ T72] do_syscall_64+0xc6/0x1e0 [ 907.368906][ T72] [ 907.370860][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 907.370860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 907.370860][ T72] ipv6_find_idev+0x102/0x170 [ 907.370860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.370860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.370860][ T72] netlink_rcv_skb+0x130/0x360 [ 907.370860][ T72] netlink_unicast+0x449/0x710 [ 907.370860][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.370860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.370860][ T72] ___sys_sendmsg+0xee/0x170 [ 907.370860][ T72] __sys_sendmsg+0xcd/0x170 [ 907.370860][ T72] do_syscall_64+0xc6/0x1e0 [ 907.370860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.370860][ T72] [ 907.372403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 907.372403][ T72] neigh_parms_alloc+0x1e5/0x510 [ 907.372403][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 907.372403][ T72] ipv6_find_idev+0x102/0x170 [ 907.372403][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.372403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.372403][ T72] netlink_rcv_skb+0x130/0x360 [ 907.372403][ T72] netlink_unicast+0x449/0x710 [ 907.372403][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.372403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.372403][ T72] ___sys_sendmsg+0xee/0x170 [ 907.372403][ T72] __sys_sendmsg+0xcd/0x170 [ 907.372403][ T72] do_syscall_64+0xc6/0x1e0 [ 907.372403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.372403][ T72] [ 907.374099][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 907.374368][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 907.374368][ T72] dst_init+0x84/0x4a0 [ 907.374368][ T72] dst_alloc+0x97/0x150 [ 907.374368][ T72] ip6_dst_alloc+0x23/0x90 [ 907.374368][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 907.374368][ T72] ip6_pol_route+0x56f/0x840 [ 907.374368][ T72] fib6_rule_lookup+0x456/0x630 [ 907.374368][ T72] ip6_route_input+0x59c/0xa50 [ 907.374368][ T72] ipv6_rcv+0x397/0x810 [ 907.374368][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 907.374368][ T72] process_backlog+0x101/0x620 [ 907.374368][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 907.374368][ T72] net_rx_action+0x495/0xbe0 [ 907.374368][ T72] __do_softirq+0x1b5/0x7f6 [ 907.374368][ T72] [ 907.375998][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 907.375998][ T72] netdev_get_by_index+0x5e/0x80 [ 907.375998][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.375998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.375998][ T72] addrconf_f6i_alloc+0x265/0x560 [ 907.375998][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 907.375998][ T72] addrconf_join_anycast+0x1c0/0x220 [ 907.375998][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 907.375998][ T72] addrconf_dad_completed+0x12b/0xe20 [ 907.375998][ T72] addrconf_dad_begin+0x310/0x670 [ 907.375998][ T72] addrconf_dad_work+0x10b/0xab0 [ 907.375998][ T72] process_one_work+0x84d/0x18a0 [ 907.375998][ T72] worker_thread+0x587/0xd30 [ 907.375998][ T72] kthread+0x28a/0x350 [ 907.375998][ T72] ret_from_fork+0x31/0x70 [ 907.375998][ T72] ret_from_fork_asm+0x1a/0x30 [ 907.375998][ T72] [ 907.377904][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 907.377904][ T72] netdev_get_by_index+0x5e/0x80 [ 907.377904][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.377904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.377904][ T72] ip6_route_add+0x1c/0x140 [ 907.377904][ T72] addrconf_prefix_route+0x2a6/0x430 [ 907.377904][ T72] inet6_addr_add+0x4f8/0xa40 [ 907.377904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.377904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.377904][ T72] netlink_rcv_skb+0x130/0x360 [ 907.377904][ T72] netlink_unicast+0x449/0x710 [ 907.377904][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.377904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.377904][ T72] ___sys_sendmsg+0xee/0x170 [ 907.377904][ T72] __sys_sendmsg+0xcd/0x170 [ 907.377904][ T72] do_syscall_64+0xc6/0x1e0 [ 907.377904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.377904][ T72] [ 907.379883][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 907.379883][ T72] netdev_get_by_index+0x5e/0x80 [ 907.379883][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.379883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.379883][ T72] addrconf_f6i_alloc+0x315/0x560 [ 907.379883][ T72] ipv6_add_addr+0x411/0x2000 [ 907.379883][ T72] inet6_addr_add+0x30e/0xa40 [ 907.379883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.379883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.379883][ T72] netlink_rcv_skb+0x130/0x360 [ 907.379883][ T72] netlink_unicast+0x449/0x710 [ 907.379883][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.379883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.379883][ T72] ___sys_sendmsg+0xee/0x170 [ 907.379883][ T72] __sys_sendmsg+0xcd/0x170 [ 907.379883][ T72] do_syscall_64+0xc6/0x1e0 [ 907.379883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.379883][ T72] [ 907.381870][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 907.381870][ T72] netdev_get_by_index+0x5e/0x80 [ 907.381870][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.381870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.381870][ T72] ip6_route_add+0x1c/0x140 [ 907.381870][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 907.381870][ T72] addrconf_add_dev+0xe2/0x170 [ 907.381870][ T72] inet6_addr_add+0x12f/0xa40 [ 907.381870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.381870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.381870][ T72] netlink_rcv_skb+0x130/0x360 [ 907.381870][ T72] netlink_unicast+0x449/0x710 [ 907.381870][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.381870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.381870][ T72] ___sys_sendmsg+0xee/0x170 [ 907.381870][ T72] __sys_sendmsg+0xcd/0x170 [ 907.381870][ T72] do_syscall_64+0xc6/0x1e0 [ 907.381870][ T72] [ 907.383873][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 907.383873][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 907.383873][ T72] ipv6_find_idev+0x102/0x170 [ 907.383873][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.383873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.383873][ T72] netlink_rcv_skb+0x130/0x360 [ 907.383873][ T72] netlink_unicast+0x449/0x710 [ 907.383873][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.383873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.383873][ T72] ___sys_sendmsg+0xee/0x170 [ 907.383873][ T72] __sys_sendmsg+0xcd/0x170 [ 907.383873][ T72] do_syscall_64+0xc6/0x1e0 [ 907.383873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.383873][ T72] [ 907.385407][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 907.385407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 907.385407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 907.385407][ T72] ipv6_find_idev+0x102/0x170 [ 907.385407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.385407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.385407][ T72] netlink_rcv_skb+0x130/0x360 [ 907.385407][ T72] netlink_unicast+0x449/0x710 [ 907.385407][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.385407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.385407][ T72] ___sys_sendmsg+0xee/0x170 [ 907.385407][ T72] __sys_sendmsg+0xcd/0x170 [ 907.385407][ T72] do_syscall_64+0xc6/0x1e0 [ 907.385407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.385407][ T72] [ 907.387150][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 907.387497][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 907.387497][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 907.387497][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 907.387497][ T72] fib6_nh_init+0xa22/0x1580 [ 907.387497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.387497][ T72] ip6_route_add+0x1c/0x140 [ 907.387497][ T72] inet6_rtm_newroute+0x104/0x110 [ 907.387497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.387497][ T72] netlink_rcv_skb+0x130/0x360 [ 907.387497][ T72] netlink_unicast+0x449/0x710 [ 907.387497][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.387497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.387497][ T72] ___sys_sendmsg+0xee/0x170 [ 907.387497][ T72] __sys_sendmsg+0xcd/0x170 [ 907.387497][ T72] do_syscall_64+0xc6/0x1e0 [ 907.387497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.387497][ T72] [ 907.389548][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 907.389548][ T72] dst_init+0x84/0x4a0 [ 907.389548][ T72] dst_alloc+0x97/0x150 [ 907.389548][ T72] ip6_dst_alloc+0x23/0x90 [ 907.389548][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 907.389548][ T72] ip6_pol_route+0x56f/0x840 [ 907.389548][ T72] fib6_rule_lookup+0x456/0x630 [ 907.389548][ T72] ip6_route_input+0x59c/0xa50 [ 907.389548][ T72] ipv6_rcv+0x397/0x810 [ 907.389548][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 907.389548][ T72] process_backlog+0x101/0x620 [ 907.389548][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 907.389548][ T72] net_rx_action+0x495/0xbe0 [ 907.389548][ T72] __do_softirq+0x1b5/0x7f6 [ 907.389548][ T72] [ 907.391357][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 907.391357][ T72] netdev_get_by_index+0x5e/0x80 [ 907.391357][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.391357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.391357][ T72] ip6_route_add+0x1c/0x140 [ 907.391357][ T72] addrconf_prefix_route+0x2a6/0x430 [ 907.391357][ T72] inet6_addr_add+0x4f8/0xa40 [ 907.391357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.391357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.391357][ T72] netlink_rcv_skb+0x130/0x360 [ 907.391357][ T72] netlink_unicast+0x449/0x710 [ 907.391357][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.391357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.391357][ T72] ___sys_sendmsg+0xee/0x170 [ 907.391357][ T72] __sys_sendmsg+0xcd/0x170 [ 907.391357][ T72] do_syscall_64+0xc6/0x1e0 [ 907.391357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.391357][ T72] [ 907.393600][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 907.393600][ T72] netdev_get_by_index+0x5e/0x80 [ 907.393600][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.393600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.393600][ T72] addrconf_f6i_alloc+0x315/0x560 [ 907.393600][ T72] ipv6_add_addr+0x411/0x2000 [ 907.393600][ T72] inet6_addr_add+0x30e/0xa40 [ 907.393600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.393600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.393600][ T72] netlink_rcv_skb+0x130/0x360 [ 907.393600][ T72] netlink_unicast+0x449/0x710 [ 907.393600][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.393600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.393600][ T72] ___sys_sendmsg+0xee/0x170 [ 907.393600][ T72] __sys_sendmsg+0xcd/0x170 [ 907.393600][ T72] do_syscall_64+0xc6/0x1e0 [ 907.393600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.393600][ T72] [ 907.395826][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 907.395826][ T72] netdev_get_by_index+0x5e/0x80 [ 907.395826][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.395826][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.395826][ T72] ip6_route_add+0x1c/0x140 [ 907.395826][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 907.395826][ T72] addrconf_add_dev+0xe2/0x170 [ 907.395826][ T72] inet6_addr_add+0x12f/0xa40 [ 907.395826][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.395826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.395826][ T72] netlink_rcv_skb+0x130/0x360 [ 907.395826][ T72] netlink_unicast+0x449/0x710 [ 907.395826][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.395826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.395826][ T72] ___sys_sendmsg+0xee/0x170 [ 907.395826][ T72] __sys_sendmsg+0xcd/0x170 [ 907.395826][ T72] do_syscall_64+0xc6/0x1e0 [ 907.395826][ T72] [ 907.398093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 907.398093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 907.398093][ T72] ipv6_find_idev+0x102/0x170 [ 907.398093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.398093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.398093][ T72] netlink_rcv_skb+0x130/0x360 [ 907.398093][ T72] netlink_unicast+0x449/0x710 [ 907.398093][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.398093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.398093][ T72] ___sys_sendmsg+0xee/0x170 [ 907.398093][ T72] __sys_sendmsg+0xcd/0x170 [ 907.398093][ T72] do_syscall_64+0xc6/0x1e0 [ 907.398093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.398093][ T72] [ 907.399803][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 907.399803][ T72] neigh_parms_alloc+0x1e5/0x510 [ 907.399803][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 907.399803][ T72] ipv6_find_idev+0x102/0x170 [ 907.399803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.399803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.399803][ T72] netlink_rcv_skb+0x130/0x360 [ 907.399803][ T72] netlink_unicast+0x449/0x710 [ 907.399803][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.399803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.399803][ T72] ___sys_sendmsg+0xee/0x170 [ 907.399803][ T72] __sys_sendmsg+0xcd/0x170 [ 907.399803][ T72] do_syscall_64+0xc6/0x1e0 [ 907.399803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.399803][ T72] [ 907.401658][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 907.402429][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 907.402429][ T72] netdev_get_by_index+0x5e/0x80 [ 907.402429][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.402429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.402429][ T72] addrconf_f6i_alloc+0x265/0x560 [ 907.402429][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 907.402429][ T72] addrconf_join_anycast+0x1c0/0x220 [ 907.402429][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 907.402429][ T72] addrconf_dad_completed+0x12b/0xe20 [ 907.402429][ T72] addrconf_dad_begin+0x310/0x670 [ 907.402429][ T72] addrconf_dad_work+0x10b/0xab0 [ 907.402429][ T72] process_one_work+0x84d/0x18a0 [ 907.402429][ T72] worker_thread+0x587/0xd30 [ 907.402429][ T72] kthread+0x28a/0x350 [ 907.402429][ T72] ret_from_fork+0x31/0x70 [ 907.402429][ T72] ret_from_fork_asm+0x1a/0x30 [ 907.402429][ T72] [ 907.404876][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 907.404876][ T72] netdev_get_by_index+0x5e/0x80 [ 907.404876][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.404876][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.404876][ T72] ip6_route_add+0x1c/0x140 [ 907.404876][ T72] addrconf_prefix_route+0x2a6/0x430 [ 907.404876][ T72] inet6_addr_add+0x4f8/0xa40 [ 907.404876][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.404876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.404876][ T72] netlink_rcv_skb+0x130/0x360 [ 907.404876][ T72] netlink_unicast+0x449/0x710 [ 907.404876][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.404876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.404876][ T72] ___sys_sendmsg+0xee/0x170 [ 907.404876][ T72] __sys_sendmsg+0xcd/0x170 [ 907.404876][ T72] do_syscall_64+0xc6/0x1e0 [ 907.404876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.404876][ T72] [ 907.406936][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 907.406936][ T72] netdev_get_by_index+0x5e/0x80 [ 907.406936][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.406936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.406936][ T72] addrconf_f6i_alloc+0x315/0x560 [ 907.406936][ T72] ipv6_add_addr+0x411/0x2000 [ 907.406936][ T72] inet6_addr_add+0x30e/0xa40 [ 907.406936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.406936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.406936][ T72] netlink_rcv_skb+0x130/0x360 [ 907.406936][ T72] netlink_unicast+0x449/0x710 [ 907.406936][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.406936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.406936][ T72] ___sys_sendmsg+0xee/0x170 [ 907.406936][ T72] __sys_sendmsg+0xcd/0x170 [ 907.406936][ T72] do_syscall_64+0xc6/0x1e0 [ 907.406936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.406936][ T72] [ 907.409163][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 907.409163][ T72] netdev_get_by_index+0x5e/0x80 [ 907.409163][ T72] fib6_nh_init+0x3d8/0x1580 [ 907.409163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 907.409163][ T72] ip6_route_add+0x1c/0x140 [ 907.409163][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 907.409163][ T72] addrconf_add_dev+0xe2/0x170 [ 907.409163][ T72] inet6_addr_add+0x12f/0xa40 [ 907.409163][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 907.409163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.409163][ T72] netlink_rcv_skb+0x130/0x360 [ 907.409163][ T72] netlink_unicast+0x449/0x710 [ 907.409163][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.409163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.409163][ T72] ___sys_sendmsg+0xee/0x170 [ 907.409163][ T72] __sys_sendmsg+0xcd/0x170 [ 907.409163][ T72] do_syscall_64+0xc6/0x1e0 [ 907.409163][ T72] [ 907.411419][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 907.411419][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 907.411419][ T72] ipv6_find_idev+0x102/0x170 [ 907.411419][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.411419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.411419][ T72] netlink_rcv_skb+0x130/0x360 [ 907.411419][ T72] netlink_unicast+0x449/0x710 [ 907.411419][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.411419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.411419][ T72] ___sys_sendmsg+0xee/0x170 [ 907.411419][ T72] __sys_sendmsg+0xcd/0x170 [ 907.411419][ T72] do_syscall_64+0xc6/0x1e0 [ 907.411419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.411419][ T72] [ 907.413128][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 907.413128][ T72] neigh_parms_alloc+0x1e5/0x510 [ 907.413128][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 907.413128][ T72] ipv6_find_idev+0x102/0x170 [ 907.413128][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.413128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.413128][ T72] netlink_rcv_skb+0x130/0x360 [ 907.413128][ T72] netlink_unicast+0x449/0x710 [ 907.413128][ T72] netlink_sendmsg+0x723/0xbe0 [ 907.413128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 907.413128][ T72] ___sys_sendmsg+0xee/0x170 [ 907.413128][ T72] __sys_sendmsg+0xcd/0x170 [ 907.413128][ T72] do_syscall_64+0xc6/0x1e0 [ 907.413128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.413128][ T72] [ 917.656993][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 917.657457][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 917.657457][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 917.657457][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 917.657457][ T72] fib6_nh_init+0xa22/0x1580 [ 917.657457][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.657457][ T72] ip6_route_add+0x1c/0x140 [ 917.657457][ T72] inet6_rtm_newroute+0x104/0x110 [ 917.657457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.657457][ T72] netlink_rcv_skb+0x130/0x360 [ 917.657457][ T72] netlink_unicast+0x449/0x710 [ 917.657457][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.657457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.657457][ T72] ___sys_sendmsg+0xee/0x170 [ 917.657457][ T72] __sys_sendmsg+0xcd/0x170 [ 917.657457][ T72] do_syscall_64+0xc6/0x1e0 [ 917.657457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.657457][ T72] [ 917.659352][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 917.659352][ T72] dst_init+0x84/0x4a0 [ 917.659352][ T72] dst_alloc+0x97/0x150 [ 917.659352][ T72] ip6_dst_alloc+0x23/0x90 [ 917.659352][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 917.659352][ T72] ip6_pol_route+0x56f/0x840 [ 917.659352][ T72] fib6_rule_lookup+0x456/0x630 [ 917.659352][ T72] ip6_route_input+0x59c/0xa50 [ 917.659352][ T72] ipv6_rcv+0x397/0x810 [ 917.659352][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 917.659352][ T72] process_backlog+0x101/0x620 [ 917.659352][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 917.659352][ T72] net_rx_action+0x495/0xbe0 [ 917.659352][ T72] __do_softirq+0x1b5/0x7f6 [ 917.659352][ T72] [ 917.660984][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 917.660984][ T72] netdev_get_by_index+0x5e/0x80 [ 917.660984][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.660984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.660984][ T72] ip6_route_add+0x1c/0x140 [ 917.660984][ T72] addrconf_prefix_route+0x2a6/0x430 [ 917.660984][ T72] inet6_addr_add+0x4f8/0xa40 [ 917.660984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.660984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.660984][ T72] netlink_rcv_skb+0x130/0x360 [ 917.660984][ T72] netlink_unicast+0x449/0x710 [ 917.660984][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.660984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.660984][ T72] ___sys_sendmsg+0xee/0x170 [ 917.660984][ T72] __sys_sendmsg+0xcd/0x170 [ 917.660984][ T72] do_syscall_64+0xc6/0x1e0 [ 917.660984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.660984][ T72] [ 917.662975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 917.662975][ T72] netdev_get_by_index+0x5e/0x80 [ 917.662975][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.662975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.662975][ T72] addrconf_f6i_alloc+0x315/0x560 [ 917.662975][ T72] ipv6_add_addr+0x411/0x2000 [ 917.662975][ T72] inet6_addr_add+0x30e/0xa40 [ 917.662975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.662975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.662975][ T72] netlink_rcv_skb+0x130/0x360 [ 917.662975][ T72] netlink_unicast+0x449/0x710 [ 917.662975][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.662975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.662975][ T72] ___sys_sendmsg+0xee/0x170 [ 917.662975][ T72] __sys_sendmsg+0xcd/0x170 [ 917.662975][ T72] do_syscall_64+0xc6/0x1e0 [ 917.662975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.662975][ T72] [ 917.664973][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 917.664973][ T72] netdev_get_by_index+0x5e/0x80 [ 917.664973][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.664973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.664973][ T72] ip6_route_add+0x1c/0x140 [ 917.664973][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 917.664973][ T72] addrconf_add_dev+0xe2/0x170 [ 917.664973][ T72] inet6_addr_add+0x12f/0xa40 [ 917.664973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.664973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.664973][ T72] netlink_rcv_skb+0x130/0x360 [ 917.664973][ T72] netlink_unicast+0x449/0x710 [ 917.664973][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.664973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.664973][ T72] ___sys_sendmsg+0xee/0x170 [ 917.664973][ T72] __sys_sendmsg+0xcd/0x170 [ 917.664973][ T72] do_syscall_64+0xc6/0x1e0 [ 917.664973][ T72] [ 917.666940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 917.666940][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 917.666940][ T72] ipv6_find_idev+0x102/0x170 [ 917.666940][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.666940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.666940][ T72] netlink_rcv_skb+0x130/0x360 [ 917.666940][ T72] netlink_unicast+0x449/0x710 [ 917.666940][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.666940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.666940][ T72] ___sys_sendmsg+0xee/0x170 [ 917.666940][ T72] __sys_sendmsg+0xcd/0x170 [ 917.666940][ T72] do_syscall_64+0xc6/0x1e0 [ 917.666940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.666940][ T72] [ 917.668857][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 917.668857][ T72] neigh_parms_alloc+0x1e5/0x510 [ 917.668857][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 917.668857][ T72] ipv6_find_idev+0x102/0x170 [ 917.668857][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.668857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.668857][ T72] netlink_rcv_skb+0x130/0x360 [ 917.668857][ T72] netlink_unicast+0x449/0x710 [ 917.668857][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.668857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.668857][ T72] ___sys_sendmsg+0xee/0x170 [ 917.668857][ T72] __sys_sendmsg+0xcd/0x170 [ 917.668857][ T72] do_syscall_64+0xc6/0x1e0 [ 917.668857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.668857][ T72] [ 917.670651][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 917.670934][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 917.670934][ T72] dst_init+0x84/0x4a0 [ 917.670934][ T72] dst_alloc+0x97/0x150 [ 917.670934][ T72] ip6_dst_alloc+0x23/0x90 [ 917.670934][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 917.670934][ T72] ip6_pol_route+0x56f/0x840 [ 917.670934][ T72] fib6_rule_lookup+0x456/0x630 [ 917.670934][ T72] ip6_route_input+0x59c/0xa50 [ 917.670934][ T72] ipv6_rcv+0x397/0x810 [ 917.670934][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 917.670934][ T72] process_backlog+0x101/0x620 [ 917.670934][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 917.670934][ T72] net_rx_action+0x495/0xbe0 [ 917.670934][ T72] __do_softirq+0x1b5/0x7f6 [ 917.670934][ T72] [ 917.672563][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 917.672563][ T72] netdev_get_by_index+0x5e/0x80 [ 917.672563][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.672563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.672563][ T72] addrconf_f6i_alloc+0x265/0x560 [ 917.672563][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 917.672563][ T72] addrconf_join_anycast+0x1c0/0x220 [ 917.672563][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 917.672563][ T72] addrconf_dad_completed+0x12b/0xe20 [ 917.672563][ T72] addrconf_dad_begin+0x310/0x670 [ 917.672563][ T72] addrconf_dad_work+0x10b/0xab0 [ 917.672563][ T72] process_one_work+0x84d/0x18a0 [ 917.672563][ T72] worker_thread+0x587/0xd30 [ 917.672563][ T72] kthread+0x28a/0x350 [ 917.672563][ T72] ret_from_fork+0x31/0x70 [ 917.672563][ T72] ret_from_fork_asm+0x1a/0x30 [ 917.672563][ T72] [ 917.674459][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 917.674459][ T72] netdev_get_by_index+0x5e/0x80 [ 917.674459][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.674459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.674459][ T72] ip6_route_add+0x1c/0x140 [ 917.674459][ T72] addrconf_prefix_route+0x2a6/0x430 [ 917.674459][ T72] inet6_addr_add+0x4f8/0xa40 [ 917.674459][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.674459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.674459][ T72] netlink_rcv_skb+0x130/0x360 [ 917.674459][ T72] netlink_unicast+0x449/0x710 [ 917.674459][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.674459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.674459][ T72] ___sys_sendmsg+0xee/0x170 [ 917.674459][ T72] __sys_sendmsg+0xcd/0x170 [ 917.674459][ T72] do_syscall_64+0xc6/0x1e0 [ 917.674459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.674459][ T72] [ 917.676432][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 917.676432][ T72] netdev_get_by_index+0x5e/0x80 [ 917.676432][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.676432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.676432][ T72] addrconf_f6i_alloc+0x315/0x560 [ 917.676432][ T72] ipv6_add_addr+0x411/0x2000 [ 917.676432][ T72] inet6_addr_add+0x30e/0xa40 [ 917.676432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.676432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.676432][ T72] netlink_rcv_skb+0x130/0x360 [ 917.676432][ T72] netlink_unicast+0x449/0x710 [ 917.676432][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.676432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.676432][ T72] ___sys_sendmsg+0xee/0x170 [ 917.676432][ T72] __sys_sendmsg+0xcd/0x170 [ 917.676432][ T72] do_syscall_64+0xc6/0x1e0 [ 917.676432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.676432][ T72] [ 917.678410][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 917.678410][ T72] netdev_get_by_index+0x5e/0x80 [ 917.678410][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.678410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.678410][ T72] ip6_route_add+0x1c/0x140 [ 917.678410][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 917.678410][ T72] addrconf_add_dev+0xe2/0x170 [ 917.678410][ T72] inet6_addr_add+0x12f/0xa40 [ 917.678410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.678410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.678410][ T72] netlink_rcv_skb+0x130/0x360 [ 917.678410][ T72] netlink_unicast+0x449/0x710 [ 917.678410][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.678410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.678410][ T72] ___sys_sendmsg+0xee/0x170 [ 917.678410][ T72] __sys_sendmsg+0xcd/0x170 [ 917.678410][ T72] do_syscall_64+0xc6/0x1e0 [ 917.678410][ T72] [ 917.680358][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 917.680358][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 917.680358][ T72] ipv6_find_idev+0x102/0x170 [ 917.680358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.680358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.680358][ T72] netlink_rcv_skb+0x130/0x360 [ 917.680358][ T72] netlink_unicast+0x449/0x710 [ 917.680358][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.680358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.680358][ T72] ___sys_sendmsg+0xee/0x170 [ 917.680358][ T72] __sys_sendmsg+0xcd/0x170 [ 917.680358][ T72] do_syscall_64+0xc6/0x1e0 [ 917.680358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.680358][ T72] [ 917.681881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 917.681881][ T72] neigh_parms_alloc+0x1e5/0x510 [ 917.681881][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 917.681881][ T72] ipv6_find_idev+0x102/0x170 [ 917.681881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.681881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.681881][ T72] netlink_rcv_skb+0x130/0x360 [ 917.681881][ T72] netlink_unicast+0x449/0x710 [ 917.681881][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.681881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.681881][ T72] ___sys_sendmsg+0xee/0x170 [ 917.681881][ T72] __sys_sendmsg+0xcd/0x170 [ 917.681881][ T72] do_syscall_64+0xc6/0x1e0 [ 917.681881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.681881][ T72] [ 917.683623][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 917.684388][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 917.684388][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 917.684388][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 917.684388][ T72] fib6_nh_init+0xa22/0x1580 [ 917.684388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.684388][ T72] ip6_route_add+0x1c/0x140 [ 917.684388][ T72] inet6_rtm_newroute+0x104/0x110 [ 917.684388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.684388][ T72] netlink_rcv_skb+0x130/0x360 [ 917.684388][ T72] netlink_unicast+0x449/0x710 [ 917.684388][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.684388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.684388][ T72] ___sys_sendmsg+0xee/0x170 [ 917.684388][ T72] __sys_sendmsg+0xcd/0x170 [ 917.684388][ T72] do_syscall_64+0xc6/0x1e0 [ 917.684388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.684388][ T72] [ 917.686256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 917.686256][ T72] dst_init+0x84/0x4a0 [ 917.686256][ T72] dst_alloc+0x97/0x150 [ 917.686256][ T72] ip6_dst_alloc+0x23/0x90 [ 917.686256][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 917.686256][ T72] ip6_pol_route+0x56f/0x840 [ 917.686256][ T72] fib6_rule_lookup+0x456/0x630 [ 917.686256][ T72] ip6_route_input+0x59c/0xa50 [ 917.686256][ T72] ipv6_rcv+0x397/0x810 [ 917.686256][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 917.686256][ T72] process_backlog+0x101/0x620 [ 917.686256][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 917.686256][ T72] net_rx_action+0x495/0xbe0 [ 917.686256][ T72] __do_softirq+0x1b5/0x7f6 [ 917.686256][ T72] [ 917.687897][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 917.687897][ T72] netdev_get_by_index+0x5e/0x80 [ 917.687897][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.687897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.687897][ T72] ip6_route_add+0x1c/0x140 [ 917.687897][ T72] addrconf_prefix_route+0x2a6/0x430 [ 917.687897][ T72] inet6_addr_add+0x4f8/0xa40 [ 917.687897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.687897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.687897][ T72] netlink_rcv_skb+0x130/0x360 [ 917.687897][ T72] netlink_unicast+0x449/0x710 [ 917.687897][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.687897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.687897][ T72] ___sys_sendmsg+0xee/0x170 [ 917.687897][ T72] __sys_sendmsg+0xcd/0x170 [ 917.687897][ T72] do_syscall_64+0xc6/0x1e0 [ 917.687897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.687897][ T72] [ 917.690118][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 917.690118][ T72] netdev_get_by_index+0x5e/0x80 [ 917.690118][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.690118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.690118][ T72] addrconf_f6i_alloc+0x315/0x560 [ 917.690118][ T72] ipv6_add_addr+0x411/0x2000 [ 917.690118][ T72] inet6_addr_add+0x30e/0xa40 [ 917.690118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.690118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.690118][ T72] netlink_rcv_skb+0x130/0x360 [ 917.690118][ T72] netlink_unicast+0x449/0x710 [ 917.690118][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.690118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.690118][ T72] ___sys_sendmsg+0xee/0x170 [ 917.690118][ T72] __sys_sendmsg+0xcd/0x170 [ 917.690118][ T72] do_syscall_64+0xc6/0x1e0 [ 917.690118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.690118][ T72] [ 917.692352][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 917.692352][ T72] netdev_get_by_index+0x5e/0x80 [ 917.692352][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.692352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.692352][ T72] ip6_route_add+0x1c/0x140 [ 917.692352][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 917.692352][ T72] addrconf_add_dev+0xe2/0x170 [ 917.692352][ T72] inet6_addr_add+0x12f/0xa40 [ 917.692352][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.692352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.692352][ T72] netlink_rcv_skb+0x130/0x360 [ 917.692352][ T72] netlink_unicast+0x449/0x710 [ 917.692352][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.692352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.692352][ T72] ___sys_sendmsg+0xee/0x170 [ 917.692352][ T72] __sys_sendmsg+0xcd/0x170 [ 917.692352][ T72] do_syscall_64+0xc6/0x1e0 [ 917.692352][ T72] [ 917.694551][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 917.694551][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 917.694551][ T72] ipv6_find_idev+0x102/0x170 [ 917.694551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.694551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.694551][ T72] netlink_rcv_skb+0x130/0x360 [ 917.694551][ T72] netlink_unicast+0x449/0x710 [ 917.694551][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.694551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.694551][ T72] ___sys_sendmsg+0xee/0x170 [ 917.694551][ T72] __sys_sendmsg+0xcd/0x170 [ 917.694551][ T72] do_syscall_64+0xc6/0x1e0 [ 917.694551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.694551][ T72] [ 917.696263][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 917.696263][ T72] neigh_parms_alloc+0x1e5/0x510 [ 917.696263][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 917.696263][ T72] ipv6_find_idev+0x102/0x170 [ 917.696263][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.696263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.696263][ T72] netlink_rcv_skb+0x130/0x360 [ 917.696263][ T72] netlink_unicast+0x449/0x710 [ 917.696263][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.696263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.696263][ T72] ___sys_sendmsg+0xee/0x170 [ 917.696263][ T72] __sys_sendmsg+0xcd/0x170 [ 917.696263][ T72] do_syscall_64+0xc6/0x1e0 [ 917.696263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.696263][ T72] [ 917.698218][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 917.698490][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 917.698490][ T72] netdev_get_by_index+0x5e/0x80 [ 917.698490][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.698490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.698490][ T72] addrconf_f6i_alloc+0x265/0x560 [ 917.698490][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 917.698490][ T72] addrconf_join_anycast+0x1c0/0x220 [ 917.698490][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 917.698490][ T72] addrconf_dad_completed+0x12b/0xe20 [ 917.698490][ T72] addrconf_dad_begin+0x310/0x670 [ 917.698490][ T72] addrconf_dad_work+0x10b/0xab0 [ 917.698490][ T72] process_one_work+0x84d/0x18a0 [ 917.698490][ T72] worker_thread+0x587/0xd30 [ 917.698490][ T72] kthread+0x28a/0x350 [ 917.698490][ T72] ret_from_fork+0x31/0x70 [ 917.698490][ T72] ret_from_fork_asm+0x1a/0x30 [ 917.698490][ T72] [ 917.700635][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 917.700635][ T72] netdev_get_by_index+0x5e/0x80 [ 917.700635][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.700635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.700635][ T72] ip6_route_add+0x1c/0x140 [ 917.700635][ T72] addrconf_prefix_route+0x2a6/0x430 [ 917.700635][ T72] inet6_addr_add+0x4f8/0xa40 [ 917.700635][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.700635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.700635][ T72] netlink_rcv_skb+0x130/0x360 [ 917.700635][ T72] netlink_unicast+0x449/0x710 [ 917.700635][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.700635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.700635][ T72] ___sys_sendmsg+0xee/0x170 [ 917.700635][ T72] __sys_sendmsg+0xcd/0x170 [ 917.700635][ T72] do_syscall_64+0xc6/0x1e0 [ 917.700635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.700635][ T72] [ 917.702866][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 917.702866][ T72] netdev_get_by_index+0x5e/0x80 [ 917.702866][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.702866][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.702866][ T72] addrconf_f6i_alloc+0x315/0x560 [ 917.702866][ T72] ipv6_add_addr+0x411/0x2000 [ 917.702866][ T72] inet6_addr_add+0x30e/0xa40 [ 917.702866][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.702866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.702866][ T72] netlink_rcv_skb+0x130/0x360 [ 917.702866][ T72] netlink_unicast+0x449/0x710 [ 917.702866][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.702866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.702866][ T72] ___sys_sendmsg+0xee/0x170 [ 917.702866][ T72] __sys_sendmsg+0xcd/0x170 [ 917.702866][ T72] do_syscall_64+0xc6/0x1e0 [ 917.702866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.702866][ T72] [ 917.705041][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 917.705041][ T72] netdev_get_by_index+0x5e/0x80 [ 917.705041][ T72] fib6_nh_init+0x3d8/0x1580 [ 917.705041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 917.705041][ T72] ip6_route_add+0x1c/0x140 [ 917.705041][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 917.705041][ T72] addrconf_add_dev+0xe2/0x170 [ 917.705041][ T72] inet6_addr_add+0x12f/0xa40 [ 917.705041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 917.705041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.705041][ T72] netlink_rcv_skb+0x130/0x360 [ 917.705041][ T72] netlink_unicast+0x449/0x710 [ 917.705041][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.705041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.705041][ T72] ___sys_sendmsg+0xee/0x170 [ 917.705041][ T72] __sys_sendmsg+0xcd/0x170 [ 917.705041][ T72] do_syscall_64+0xc6/0x1e0 [ 917.705041][ T72] [ 917.707237][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 917.707237][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 917.707237][ T72] ipv6_find_idev+0x102/0x170 [ 917.707237][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.707237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.707237][ T72] netlink_rcv_skb+0x130/0x360 [ 917.707237][ T72] netlink_unicast+0x449/0x710 [ 917.707237][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.707237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.707237][ T72] ___sys_sendmsg+0xee/0x170 [ 917.707237][ T72] __sys_sendmsg+0xcd/0x170 [ 917.707237][ T72] do_syscall_64+0xc6/0x1e0 [ 917.707237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.707237][ T72] [ 917.709020][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 917.709020][ T72] neigh_parms_alloc+0x1e5/0x510 [ 917.709020][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 917.709020][ T72] ipv6_find_idev+0x102/0x170 [ 917.709020][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.709020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.709020][ T72] netlink_rcv_skb+0x130/0x360 [ 917.709020][ T72] netlink_unicast+0x449/0x710 [ 917.709020][ T72] netlink_sendmsg+0x723/0xbe0 [ 917.709020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 917.709020][ T72] ___sys_sendmsg+0xee/0x170 [ 917.709020][ T72] __sys_sendmsg+0xcd/0x170 [ 917.709020][ T72] do_syscall_64+0xc6/0x1e0 [ 917.709020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.709020][ T72] [ 927.952966][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 927.953475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 927.953475][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 927.953475][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 927.953475][ T72] fib6_nh_init+0xa22/0x1580 [ 927.953475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.953475][ T72] ip6_route_add+0x1c/0x140 [ 927.953475][ T72] inet6_rtm_newroute+0x104/0x110 [ 927.953475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.953475][ T72] netlink_rcv_skb+0x130/0x360 [ 927.953475][ T72] netlink_unicast+0x449/0x710 [ 927.953475][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.953475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.953475][ T72] ___sys_sendmsg+0xee/0x170 [ 927.953475][ T72] __sys_sendmsg+0xcd/0x170 [ 927.953475][ T72] do_syscall_64+0xc6/0x1e0 [ 927.953475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.953475][ T72] [ 927.955402][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 927.955402][ T72] dst_init+0x84/0x4a0 [ 927.955402][ T72] dst_alloc+0x97/0x150 [ 927.955402][ T72] ip6_dst_alloc+0x23/0x90 [ 927.955402][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 927.955402][ T72] ip6_pol_route+0x56f/0x840 [ 927.955402][ T72] fib6_rule_lookup+0x456/0x630 [ 927.955402][ T72] ip6_route_input+0x59c/0xa50 [ 927.955402][ T72] ipv6_rcv+0x397/0x810 [ 927.955402][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 927.955402][ T72] process_backlog+0x101/0x620 [ 927.955402][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 927.955402][ T72] net_rx_action+0x495/0xbe0 [ 927.955402][ T72] __do_softirq+0x1b5/0x7f6 [ 927.955402][ T72] [ 927.957054][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 927.957054][ T72] netdev_get_by_index+0x5e/0x80 [ 927.957054][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.957054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.957054][ T72] ip6_route_add+0x1c/0x140 [ 927.957054][ T72] addrconf_prefix_route+0x2a6/0x430 [ 927.957054][ T72] inet6_addr_add+0x4f8/0xa40 [ 927.957054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.957054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.957054][ T72] netlink_rcv_skb+0x130/0x360 [ 927.957054][ T72] netlink_unicast+0x449/0x710 [ 927.957054][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.957054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.957054][ T72] ___sys_sendmsg+0xee/0x170 [ 927.957054][ T72] __sys_sendmsg+0xcd/0x170 [ 927.957054][ T72] do_syscall_64+0xc6/0x1e0 [ 927.957054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.957054][ T72] [ 927.959090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 927.959090][ T72] netdev_get_by_index+0x5e/0x80 [ 927.959090][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.959090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.959090][ T72] addrconf_f6i_alloc+0x315/0x560 [ 927.959090][ T72] ipv6_add_addr+0x411/0x2000 [ 927.959090][ T72] inet6_addr_add+0x30e/0xa40 [ 927.959090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.959090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.959090][ T72] netlink_rcv_skb+0x130/0x360 [ 927.959090][ T72] netlink_unicast+0x449/0x710 [ 927.959090][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.959090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.959090][ T72] ___sys_sendmsg+0xee/0x170 [ 927.959090][ T72] __sys_sendmsg+0xcd/0x170 [ 927.959090][ T72] do_syscall_64+0xc6/0x1e0 [ 927.959090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.959090][ T72] [ 927.961114][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 927.961114][ T72] netdev_get_by_index+0x5e/0x80 [ 927.961114][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.961114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.961114][ T72] ip6_route_add+0x1c/0x140 [ 927.961114][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 927.961114][ T72] addrconf_add_dev+0xe2/0x170 [ 927.961114][ T72] inet6_addr_add+0x12f/0xa40 [ 927.961114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.961114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.961114][ T72] netlink_rcv_skb+0x130/0x360 [ 927.961114][ T72] netlink_unicast+0x449/0x710 [ 927.961114][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.961114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.961114][ T72] ___sys_sendmsg+0xee/0x170 [ 927.961114][ T72] __sys_sendmsg+0xcd/0x170 [ 927.961114][ T72] do_syscall_64+0xc6/0x1e0 [ 927.961114][ T72] [ 927.963095][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 927.963095][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 927.963095][ T72] ipv6_find_idev+0x102/0x170 [ 927.963095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.963095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.963095][ T72] netlink_rcv_skb+0x130/0x360 [ 927.963095][ T72] netlink_unicast+0x449/0x710 [ 927.963095][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.963095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.963095][ T72] ___sys_sendmsg+0xee/0x170 [ 927.963095][ T72] __sys_sendmsg+0xcd/0x170 [ 927.963095][ T72] do_syscall_64+0xc6/0x1e0 [ 927.963095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.963095][ T72] [ 927.964682][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 927.964682][ T72] neigh_parms_alloc+0x1e5/0x510 [ 927.964682][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 927.964682][ T72] ipv6_find_idev+0x102/0x170 [ 927.964682][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.964682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.964682][ T72] netlink_rcv_skb+0x130/0x360 [ 927.964682][ T72] netlink_unicast+0x449/0x710 [ 927.964682][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.964682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.964682][ T72] ___sys_sendmsg+0xee/0x170 [ 927.964682][ T72] __sys_sendmsg+0xcd/0x170 [ 927.964682][ T72] do_syscall_64+0xc6/0x1e0 [ 927.964682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.964682][ T72] [ 927.966424][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 927.966705][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 927.966705][ T72] dst_init+0x84/0x4a0 [ 927.966705][ T72] dst_alloc+0x97/0x150 [ 927.966705][ T72] ip6_dst_alloc+0x23/0x90 [ 927.966705][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 927.966705][ T72] ip6_pol_route+0x56f/0x840 [ 927.966705][ T72] fib6_rule_lookup+0x456/0x630 [ 927.966705][ T72] ip6_route_input+0x59c/0xa50 [ 927.966705][ T72] ipv6_rcv+0x397/0x810 [ 927.966705][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 927.966705][ T72] process_backlog+0x101/0x620 [ 927.966705][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 927.966705][ T72] net_rx_action+0x495/0xbe0 [ 927.966705][ T72] __do_softirq+0x1b5/0x7f6 [ 927.966705][ T72] [ 927.968355][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 927.968355][ T72] netdev_get_by_index+0x5e/0x80 [ 927.968355][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.968355][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.968355][ T72] addrconf_f6i_alloc+0x265/0x560 [ 927.968355][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 927.968355][ T72] addrconf_join_anycast+0x1c0/0x220 [ 927.968355][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 927.968355][ T72] addrconf_dad_completed+0x12b/0xe20 [ 927.968355][ T72] addrconf_dad_begin+0x310/0x670 [ 927.968355][ T72] addrconf_dad_work+0x10b/0xab0 [ 927.968355][ T72] process_one_work+0x84d/0x18a0 [ 927.968355][ T72] worker_thread+0x587/0xd30 [ 927.968355][ T72] kthread+0x28a/0x350 [ 927.968355][ T72] ret_from_fork+0x31/0x70 [ 927.968355][ T72] ret_from_fork_asm+0x1a/0x30 [ 927.968355][ T72] [ 927.970293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 927.970293][ T72] netdev_get_by_index+0x5e/0x80 [ 927.970293][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.970293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.970293][ T72] ip6_route_add+0x1c/0x140 [ 927.970293][ T72] addrconf_prefix_route+0x2a6/0x430 [ 927.970293][ T72] inet6_addr_add+0x4f8/0xa40 [ 927.970293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.970293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.970293][ T72] netlink_rcv_skb+0x130/0x360 [ 927.970293][ T72] netlink_unicast+0x449/0x710 [ 927.970293][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.970293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.970293][ T72] ___sys_sendmsg+0xee/0x170 [ 927.970293][ T72] __sys_sendmsg+0xcd/0x170 [ 927.970293][ T72] do_syscall_64+0xc6/0x1e0 [ 927.970293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.970293][ T72] [ 927.972313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 927.972313][ T72] netdev_get_by_index+0x5e/0x80 [ 927.972313][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.972313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.972313][ T72] addrconf_f6i_alloc+0x315/0x560 [ 927.972313][ T72] ipv6_add_addr+0x411/0x2000 [ 927.972313][ T72] inet6_addr_add+0x30e/0xa40 [ 927.972313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.972313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.972313][ T72] netlink_rcv_skb+0x130/0x360 [ 927.972313][ T72] netlink_unicast+0x449/0x710 [ 927.972313][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.972313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.972313][ T72] ___sys_sendmsg+0xee/0x170 [ 927.972313][ T72] __sys_sendmsg+0xcd/0x170 [ 927.972313][ T72] do_syscall_64+0xc6/0x1e0 [ 927.972313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.972313][ T72] [ 927.974346][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 927.974346][ T72] netdev_get_by_index+0x5e/0x80 [ 927.974346][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.974346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.974346][ T72] ip6_route_add+0x1c/0x140 [ 927.974346][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 927.974346][ T72] addrconf_add_dev+0xe2/0x170 [ 927.974346][ T72] inet6_addr_add+0x12f/0xa40 [ 927.974346][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.974346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.974346][ T72] netlink_rcv_skb+0x130/0x360 [ 927.974346][ T72] netlink_unicast+0x449/0x710 [ 927.974346][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.974346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.974346][ T72] ___sys_sendmsg+0xee/0x170 [ 927.974346][ T72] __sys_sendmsg+0xcd/0x170 [ 927.974346][ T72] do_syscall_64+0xc6/0x1e0 [ 927.974346][ T72] [ 927.976326][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 927.976326][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 927.976326][ T72] ipv6_find_idev+0x102/0x170 [ 927.976326][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.976326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.976326][ T72] netlink_rcv_skb+0x130/0x360 [ 927.976326][ T72] netlink_unicast+0x449/0x710 [ 927.976326][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.976326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.976326][ T72] ___sys_sendmsg+0xee/0x170 [ 927.976326][ T72] __sys_sendmsg+0xcd/0x170 [ 927.976326][ T72] do_syscall_64+0xc6/0x1e0 [ 927.976326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.976326][ T72] [ 927.977876][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 927.977876][ T72] neigh_parms_alloc+0x1e5/0x510 [ 927.977876][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 927.977876][ T72] ipv6_find_idev+0x102/0x170 [ 927.977876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.977876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.977876][ T72] netlink_rcv_skb+0x130/0x360 [ 927.977876][ T72] netlink_unicast+0x449/0x710 [ 927.977876][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.977876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.977876][ T72] ___sys_sendmsg+0xee/0x170 [ 927.977876][ T72] __sys_sendmsg+0xcd/0x170 [ 927.977876][ T72] do_syscall_64+0xc6/0x1e0 [ 927.977876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.977876][ T72] [ 927.979722][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 927.980014][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 927.980014][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 927.980014][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 927.980014][ T72] fib6_nh_init+0xa22/0x1580 [ 927.980014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.980014][ T72] ip6_route_add+0x1c/0x140 [ 927.980014][ T72] inet6_rtm_newroute+0x104/0x110 [ 927.980014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.980014][ T72] netlink_rcv_skb+0x130/0x360 [ 927.980014][ T72] netlink_unicast+0x449/0x710 [ 927.980014][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.980014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.980014][ T72] ___sys_sendmsg+0xee/0x170 [ 927.980014][ T72] __sys_sendmsg+0xcd/0x170 [ 927.980014][ T72] do_syscall_64+0xc6/0x1e0 [ 927.980014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.980014][ T72] [ 927.982174][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 927.982174][ T72] dst_init+0x84/0x4a0 [ 927.982174][ T72] dst_alloc+0x97/0x150 [ 927.982174][ T72] ip6_dst_alloc+0x23/0x90 [ 927.982174][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 927.982174][ T72] ip6_pol_route+0x56f/0x840 [ 927.982174][ T72] fib6_rule_lookup+0x456/0x630 [ 927.982174][ T72] ip6_route_input+0x59c/0xa50 [ 927.982174][ T72] ipv6_rcv+0x397/0x810 [ 927.982174][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 927.982174][ T72] process_backlog+0x101/0x620 [ 927.982174][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 927.982174][ T72] net_rx_action+0x495/0xbe0 [ 927.982174][ T72] __do_softirq+0x1b5/0x7f6 [ 927.982174][ T72] [ 927.984027][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 927.984027][ T72] netdev_get_by_index+0x5e/0x80 [ 927.984027][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.984027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.984027][ T72] ip6_route_add+0x1c/0x140 [ 927.984027][ T72] addrconf_prefix_route+0x2a6/0x430 [ 927.984027][ T72] inet6_addr_add+0x4f8/0xa40 [ 927.984027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.984027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.984027][ T72] netlink_rcv_skb+0x130/0x360 [ 927.984027][ T72] netlink_unicast+0x449/0x710 [ 927.984027][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.984027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.984027][ T72] ___sys_sendmsg+0xee/0x170 [ 927.984027][ T72] __sys_sendmsg+0xcd/0x170 [ 927.984027][ T72] do_syscall_64+0xc6/0x1e0 [ 927.984027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.984027][ T72] [ 927.986286][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 927.986286][ T72] netdev_get_by_index+0x5e/0x80 [ 927.986286][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.986286][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.986286][ T72] addrconf_f6i_alloc+0x315/0x560 [ 927.986286][ T72] ipv6_add_addr+0x411/0x2000 [ 927.986286][ T72] inet6_addr_add+0x30e/0xa40 [ 927.986286][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.986286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.986286][ T72] netlink_rcv_skb+0x130/0x360 [ 927.986286][ T72] netlink_unicast+0x449/0x710 [ 927.986286][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.986286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.986286][ T72] ___sys_sendmsg+0xee/0x170 [ 927.986286][ T72] __sys_sendmsg+0xcd/0x170 [ 927.986286][ T72] do_syscall_64+0xc6/0x1e0 [ 927.986286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.986286][ T72] [ 927.988544][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 927.988544][ T72] netdev_get_by_index+0x5e/0x80 [ 927.988544][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.988544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.988544][ T72] ip6_route_add+0x1c/0x140 [ 927.988544][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 927.988544][ T72] addrconf_add_dev+0xe2/0x170 [ 927.988544][ T72] inet6_addr_add+0x12f/0xa40 [ 927.988544][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.988544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.988544][ T72] netlink_rcv_skb+0x130/0x360 [ 927.988544][ T72] netlink_unicast+0x449/0x710 [ 927.988544][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.988544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.988544][ T72] ___sys_sendmsg+0xee/0x170 [ 927.988544][ T72] __sys_sendmsg+0xcd/0x170 [ 927.988544][ T72] do_syscall_64+0xc6/0x1e0 [ 927.988544][ T72] [ 927.990764][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 927.990764][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 927.990764][ T72] ipv6_find_idev+0x102/0x170 [ 927.990764][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.990764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.990764][ T72] netlink_rcv_skb+0x130/0x360 [ 927.990764][ T72] netlink_unicast+0x449/0x710 [ 927.990764][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.990764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.990764][ T72] ___sys_sendmsg+0xee/0x170 [ 927.990764][ T72] __sys_sendmsg+0xcd/0x170 [ 927.990764][ T72] do_syscall_64+0xc6/0x1e0 [ 927.990764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.990764][ T72] [ 927.992497][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 927.992497][ T72] neigh_parms_alloc+0x1e5/0x510 [ 927.992497][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 927.992497][ T72] ipv6_find_idev+0x102/0x170 [ 927.992497][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.992497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.992497][ T72] netlink_rcv_skb+0x130/0x360 [ 927.992497][ T72] netlink_unicast+0x449/0x710 [ 927.992497][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.992497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.992497][ T72] ___sys_sendmsg+0xee/0x170 [ 927.992497][ T72] __sys_sendmsg+0xcd/0x170 [ 927.992497][ T72] do_syscall_64+0xc6/0x1e0 [ 927.992497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.992497][ T72] [ 927.994444][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 927.994790][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 927.994790][ T72] netdev_get_by_index+0x5e/0x80 [ 927.994790][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.994790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.994790][ T72] addrconf_f6i_alloc+0x265/0x560 [ 927.994790][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 927.994790][ T72] addrconf_join_anycast+0x1c0/0x220 [ 927.994790][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 927.994790][ T72] addrconf_dad_completed+0x12b/0xe20 [ 927.994790][ T72] addrconf_dad_begin+0x310/0x670 [ 927.994790][ T72] addrconf_dad_work+0x10b/0xab0 [ 927.994790][ T72] process_one_work+0x84d/0x18a0 [ 927.994790][ T72] worker_thread+0x587/0xd30 [ 927.994790][ T72] kthread+0x28a/0x350 [ 927.994790][ T72] ret_from_fork+0x31/0x70 [ 927.994790][ T72] ret_from_fork_asm+0x1a/0x30 [ 927.994790][ T72] [ 927.996831][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 927.996831][ T72] netdev_get_by_index+0x5e/0x80 [ 927.996831][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.996831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.996831][ T72] ip6_route_add+0x1c/0x140 [ 927.996831][ T72] addrconf_prefix_route+0x2a6/0x430 [ 927.996831][ T72] inet6_addr_add+0x4f8/0xa40 [ 927.996831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.996831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.996831][ T72] netlink_rcv_skb+0x130/0x360 [ 927.996831][ T72] netlink_unicast+0x449/0x710 [ 927.996831][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.996831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.996831][ T72] ___sys_sendmsg+0xee/0x170 [ 927.996831][ T72] __sys_sendmsg+0xcd/0x170 [ 927.996831][ T72] do_syscall_64+0xc6/0x1e0 [ 927.996831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.996831][ T72] [ 927.999147][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 927.999147][ T72] netdev_get_by_index+0x5e/0x80 [ 927.999147][ T72] fib6_nh_init+0x3d8/0x1580 [ 927.999147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 927.999147][ T72] addrconf_f6i_alloc+0x315/0x560 [ 927.999147][ T72] ipv6_add_addr+0x411/0x2000 [ 927.999147][ T72] inet6_addr_add+0x30e/0xa40 [ 927.999147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 927.999147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.999147][ T72] netlink_rcv_skb+0x130/0x360 [ 927.999147][ T72] netlink_unicast+0x449/0x710 [ 927.999147][ T72] netlink_sendmsg+0x723/0xbe0 [ 927.999147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 927.999147][ T72] ___sys_sendmsg+0xee/0x170 [ 927.999147][ T72] __sys_sendmsg+0xcd/0x170 [ 927.999147][ T72] do_syscall_64+0xc6/0x1e0 [ 927.999147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.999147][ T72] [ 928.001398][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 928.001398][ T72] netdev_get_by_index+0x5e/0x80 [ 928.001398][ T72] fib6_nh_init+0x3d8/0x1580 [ 928.001398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 928.001398][ T72] ip6_route_add+0x1c/0x140 [ 928.001398][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 928.001398][ T72] addrconf_add_dev+0xe2/0x170 [ 928.001398][ T72] inet6_addr_add+0x12f/0xa40 [ 928.001398][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 928.001398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.001398][ T72] netlink_rcv_skb+0x130/0x360 [ 928.001398][ T72] netlink_unicast+0x449/0x710 [ 928.001398][ T72] netlink_sendmsg+0x723/0xbe0 [ 928.001398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 928.001398][ T72] ___sys_sendmsg+0xee/0x170 [ 928.001398][ T72] __sys_sendmsg+0xcd/0x170 [ 928.001398][ T72] do_syscall_64+0xc6/0x1e0 [ 928.001398][ T72] [ 928.003634][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 928.003634][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 928.003634][ T72] ipv6_find_idev+0x102/0x170 [ 928.003634][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 928.003634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.003634][ T72] netlink_rcv_skb+0x130/0x360 [ 928.003634][ T72] netlink_unicast+0x449/0x710 [ 928.003634][ T72] netlink_sendmsg+0x723/0xbe0 [ 928.003634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 928.003634][ T72] ___sys_sendmsg+0xee/0x170 [ 928.003634][ T72] __sys_sendmsg+0xcd/0x170 [ 928.003634][ T72] do_syscall_64+0xc6/0x1e0 [ 928.003634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.003634][ T72] [ 928.005381][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 928.005381][ T72] neigh_parms_alloc+0x1e5/0x510 [ 928.005381][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 928.005381][ T72] ipv6_find_idev+0x102/0x170 [ 928.005381][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 928.005381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.005381][ T72] netlink_rcv_skb+0x130/0x360 [ 928.005381][ T72] netlink_unicast+0x449/0x710 [ 928.005381][ T72] netlink_sendmsg+0x723/0xbe0 [ 928.005381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 928.005381][ T72] ___sys_sendmsg+0xee/0x170 [ 928.005381][ T72] __sys_sendmsg+0xcd/0x170 [ 928.005381][ T72] do_syscall_64+0xc6/0x1e0 [ 928.005381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.005381][ T72] [ 938.168899][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 938.169417][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 938.169417][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 938.169417][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 938.169417][ T72] fib6_nh_init+0xa22/0x1580 [ 938.169417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.169417][ T72] ip6_route_add+0x1c/0x140 [ 938.169417][ T72] inet6_rtm_newroute+0x104/0x110 [ 938.169417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.169417][ T72] netlink_rcv_skb+0x130/0x360 [ 938.169417][ T72] netlink_unicast+0x449/0x710 [ 938.169417][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.169417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.169417][ T72] ___sys_sendmsg+0xee/0x170 [ 938.169417][ T72] __sys_sendmsg+0xcd/0x170 [ 938.169417][ T72] do_syscall_64+0xc6/0x1e0 [ 938.169417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.169417][ T72] [ 938.171339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 938.171339][ T72] dst_init+0x84/0x4a0 [ 938.171339][ T72] dst_alloc+0x97/0x150 [ 938.171339][ T72] ip6_dst_alloc+0x23/0x90 [ 938.171339][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 938.171339][ T72] ip6_pol_route+0x56f/0x840 [ 938.171339][ T72] fib6_rule_lookup+0x456/0x630 [ 938.171339][ T72] ip6_route_input+0x59c/0xa50 [ 938.171339][ T72] ipv6_rcv+0x397/0x810 [ 938.171339][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 938.171339][ T72] process_backlog+0x101/0x620 [ 938.171339][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 938.171339][ T72] net_rx_action+0x495/0xbe0 [ 938.171339][ T72] __do_softirq+0x1b5/0x7f6 [ 938.171339][ T72] [ 938.172998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 938.172998][ T72] netdev_get_by_index+0x5e/0x80 [ 938.172998][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.172998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.172998][ T72] ip6_route_add+0x1c/0x140 [ 938.172998][ T72] addrconf_prefix_route+0x2a6/0x430 [ 938.172998][ T72] inet6_addr_add+0x4f8/0xa40 [ 938.172998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.172998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.172998][ T72] netlink_rcv_skb+0x130/0x360 [ 938.172998][ T72] netlink_unicast+0x449/0x710 [ 938.172998][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.172998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.172998][ T72] ___sys_sendmsg+0xee/0x170 [ 938.172998][ T72] __sys_sendmsg+0xcd/0x170 [ 938.172998][ T72] do_syscall_64+0xc6/0x1e0 [ 938.172998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.172998][ T72] [ 938.175054][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 938.175054][ T72] netdev_get_by_index+0x5e/0x80 [ 938.175054][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.175054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.175054][ T72] addrconf_f6i_alloc+0x315/0x560 [ 938.175054][ T72] ipv6_add_addr+0x411/0x2000 [ 938.175054][ T72] inet6_addr_add+0x30e/0xa40 [ 938.175054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.175054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.175054][ T72] netlink_rcv_skb+0x130/0x360 [ 938.175054][ T72] netlink_unicast+0x449/0x710 [ 938.175054][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.175054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.175054][ T72] ___sys_sendmsg+0xee/0x170 [ 938.175054][ T72] __sys_sendmsg+0xcd/0x170 [ 938.175054][ T72] do_syscall_64+0xc6/0x1e0 [ 938.175054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.175054][ T72] [ 938.177061][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 938.177061][ T72] netdev_get_by_index+0x5e/0x80 [ 938.177061][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.177061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.177061][ T72] ip6_route_add+0x1c/0x140 [ 938.177061][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 938.177061][ T72] addrconf_add_dev+0xe2/0x170 [ 938.177061][ T72] inet6_addr_add+0x12f/0xa40 [ 938.177061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.177061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.177061][ T72] netlink_rcv_skb+0x130/0x360 [ 938.177061][ T72] netlink_unicast+0x449/0x710 [ 938.177061][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.177061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.177061][ T72] ___sys_sendmsg+0xee/0x170 [ 938.177061][ T72] __sys_sendmsg+0xcd/0x170 [ 938.177061][ T72] do_syscall_64+0xc6/0x1e0 [ 938.177061][ T72] [ 938.179032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 938.179032][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 938.179032][ T72] ipv6_find_idev+0x102/0x170 [ 938.179032][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.179032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.179032][ T72] netlink_rcv_skb+0x130/0x360 [ 938.179032][ T72] netlink_unicast+0x449/0x710 [ 938.179032][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.179032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.179032][ T72] ___sys_sendmsg+0xee/0x170 [ 938.179032][ T72] __sys_sendmsg+0xcd/0x170 [ 938.179032][ T72] do_syscall_64+0xc6/0x1e0 [ 938.179032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.179032][ T72] [ 938.180577][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 938.180577][ T72] neigh_parms_alloc+0x1e5/0x510 [ 938.180577][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 938.180577][ T72] ipv6_find_idev+0x102/0x170 [ 938.180577][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.180577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.180577][ T72] netlink_rcv_skb+0x130/0x360 [ 938.180577][ T72] netlink_unicast+0x449/0x710 [ 938.180577][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.180577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.180577][ T72] ___sys_sendmsg+0xee/0x170 [ 938.180577][ T72] __sys_sendmsg+0xcd/0x170 [ 938.180577][ T72] do_syscall_64+0xc6/0x1e0 [ 938.180577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.180577][ T72] [ 938.182323][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 938.182599][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 938.182599][ T72] dst_init+0x84/0x4a0 [ 938.182599][ T72] dst_alloc+0x97/0x150 [ 938.182599][ T72] ip6_dst_alloc+0x23/0x90 [ 938.182599][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 938.182599][ T72] ip6_pol_route+0x56f/0x840 [ 938.182599][ T72] fib6_rule_lookup+0x456/0x630 [ 938.182599][ T72] ip6_route_input+0x59c/0xa50 [ 938.182599][ T72] ipv6_rcv+0x397/0x810 [ 938.182599][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 938.182599][ T72] process_backlog+0x101/0x620 [ 938.182599][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 938.182599][ T72] net_rx_action+0x495/0xbe0 [ 938.182599][ T72] __do_softirq+0x1b5/0x7f6 [ 938.182599][ T72] [ 938.184272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 938.184272][ T72] netdev_get_by_index+0x5e/0x80 [ 938.184272][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.184272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.184272][ T72] addrconf_f6i_alloc+0x265/0x560 [ 938.184272][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 938.184272][ T72] addrconf_join_anycast+0x1c0/0x220 [ 938.184272][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 938.184272][ T72] addrconf_dad_completed+0x12b/0xe20 [ 938.184272][ T72] addrconf_dad_begin+0x310/0x670 [ 938.184272][ T72] addrconf_dad_work+0x10b/0xab0 [ 938.184272][ T72] process_one_work+0x84d/0x18a0 [ 938.184272][ T72] worker_thread+0x587/0xd30 [ 938.184272][ T72] kthread+0x28a/0x350 [ 938.184272][ T72] ret_from_fork+0x31/0x70 [ 938.184272][ T72] ret_from_fork_asm+0x1a/0x30 [ 938.184272][ T72] [ 938.186199][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 938.186199][ T72] netdev_get_by_index+0x5e/0x80 [ 938.186199][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.186199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.186199][ T72] ip6_route_add+0x1c/0x140 [ 938.186199][ T72] addrconf_prefix_route+0x2a6/0x430 [ 938.186199][ T72] inet6_addr_add+0x4f8/0xa40 [ 938.186199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.186199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.186199][ T72] netlink_rcv_skb+0x130/0x360 [ 938.186199][ T72] netlink_unicast+0x449/0x710 [ 938.186199][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.186199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.186199][ T72] ___sys_sendmsg+0xee/0x170 [ 938.186199][ T72] __sys_sendmsg+0xcd/0x170 [ 938.186199][ T72] do_syscall_64+0xc6/0x1e0 [ 938.186199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.186199][ T72] [ 938.188212][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 938.188212][ T72] netdev_get_by_index+0x5e/0x80 [ 938.188212][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.188212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.188212][ T72] addrconf_f6i_alloc+0x315/0x560 [ 938.188212][ T72] ipv6_add_addr+0x411/0x2000 [ 938.188212][ T72] inet6_addr_add+0x30e/0xa40 [ 938.188212][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.188212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.188212][ T72] netlink_rcv_skb+0x130/0x360 [ 938.188212][ T72] netlink_unicast+0x449/0x710 [ 938.188212][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.188212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.188212][ T72] ___sys_sendmsg+0xee/0x170 [ 938.188212][ T72] __sys_sendmsg+0xcd/0x170 [ 938.188212][ T72] do_syscall_64+0xc6/0x1e0 [ 938.188212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.188212][ T72] [ 938.190231][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 938.190231][ T72] netdev_get_by_index+0x5e/0x80 [ 938.190231][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.190231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.190231][ T72] ip6_route_add+0x1c/0x140 [ 938.190231][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 938.190231][ T72] addrconf_add_dev+0xe2/0x170 [ 938.190231][ T72] inet6_addr_add+0x12f/0xa40 [ 938.190231][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.190231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.190231][ T72] netlink_rcv_skb+0x130/0x360 [ 938.190231][ T72] netlink_unicast+0x449/0x710 [ 938.190231][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.190231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.190231][ T72] ___sys_sendmsg+0xee/0x170 [ 938.190231][ T72] __sys_sendmsg+0xcd/0x170 [ 938.190231][ T72] do_syscall_64+0xc6/0x1e0 [ 938.190231][ T72] [ 938.192204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 938.192204][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 938.192204][ T72] ipv6_find_idev+0x102/0x170 [ 938.192204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.192204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.192204][ T72] netlink_rcv_skb+0x130/0x360 [ 938.192204][ T72] netlink_unicast+0x449/0x710 [ 938.192204][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.192204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.192204][ T72] ___sys_sendmsg+0xee/0x170 [ 938.192204][ T72] __sys_sendmsg+0xcd/0x170 [ 938.192204][ T72] do_syscall_64+0xc6/0x1e0 [ 938.192204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.192204][ T72] [ 938.193759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 938.193759][ T72] neigh_parms_alloc+0x1e5/0x510 [ 938.193759][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 938.193759][ T72] ipv6_find_idev+0x102/0x170 [ 938.193759][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.193759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.193759][ T72] netlink_rcv_skb+0x130/0x360 [ 938.193759][ T72] netlink_unicast+0x449/0x710 [ 938.193759][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.193759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.193759][ T72] ___sys_sendmsg+0xee/0x170 [ 938.193759][ T72] __sys_sendmsg+0xcd/0x170 [ 938.193759][ T72] do_syscall_64+0xc6/0x1e0 [ 938.193759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.193759][ T72] [ 938.195583][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 938.195868][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 938.195868][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 938.195868][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 938.195868][ T72] fib6_nh_init+0xa22/0x1580 [ 938.195868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.195868][ T72] ip6_route_add+0x1c/0x140 [ 938.195868][ T72] inet6_rtm_newroute+0x104/0x110 [ 938.195868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.195868][ T72] netlink_rcv_skb+0x130/0x360 [ 938.195868][ T72] netlink_unicast+0x449/0x710 [ 938.195868][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.195868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.195868][ T72] ___sys_sendmsg+0xee/0x170 [ 938.195868][ T72] __sys_sendmsg+0xcd/0x170 [ 938.195868][ T72] do_syscall_64+0xc6/0x1e0 [ 938.195868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.195868][ T72] [ 938.198076][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 938.198076][ T72] dst_init+0x84/0x4a0 [ 938.198076][ T72] dst_alloc+0x97/0x150 [ 938.198076][ T72] ip6_dst_alloc+0x23/0x90 [ 938.198076][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 938.198076][ T72] ip6_pol_route+0x56f/0x840 [ 938.198076][ T72] fib6_rule_lookup+0x456/0x630 [ 938.198076][ T72] ip6_route_input+0x59c/0xa50 [ 938.198076][ T72] ipv6_rcv+0x397/0x810 [ 938.198076][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 938.198076][ T72] process_backlog+0x101/0x620 [ 938.198076][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 938.198076][ T72] net_rx_action+0x495/0xbe0 [ 938.198076][ T72] __do_softirq+0x1b5/0x7f6 [ 938.198076][ T72] [ 938.199905][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 938.199905][ T72] netdev_get_by_index+0x5e/0x80 [ 938.199905][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.199905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.199905][ T72] ip6_route_add+0x1c/0x140 [ 938.199905][ T72] addrconf_prefix_route+0x2a6/0x430 [ 938.199905][ T72] inet6_addr_add+0x4f8/0xa40 [ 938.199905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.199905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.199905][ T72] netlink_rcv_skb+0x130/0x360 [ 938.199905][ T72] netlink_unicast+0x449/0x710 [ 938.199905][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.199905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.199905][ T72] ___sys_sendmsg+0xee/0x170 [ 938.199905][ T72] __sys_sendmsg+0xcd/0x170 [ 938.199905][ T72] do_syscall_64+0xc6/0x1e0 [ 938.199905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.199905][ T72] [ 938.202162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 938.202162][ T72] netdev_get_by_index+0x5e/0x80 [ 938.202162][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.202162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.202162][ T72] addrconf_f6i_alloc+0x315/0x560 [ 938.202162][ T72] ipv6_add_addr+0x411/0x2000 [ 938.202162][ T72] inet6_addr_add+0x30e/0xa40 [ 938.202162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.202162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.202162][ T72] netlink_rcv_skb+0x130/0x360 [ 938.202162][ T72] netlink_unicast+0x449/0x710 [ 938.202162][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.202162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.202162][ T72] ___sys_sendmsg+0xee/0x170 [ 938.202162][ T72] __sys_sendmsg+0xcd/0x170 [ 938.202162][ T72] do_syscall_64+0xc6/0x1e0 [ 938.202162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.202162][ T72] [ 938.204357][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 938.204357][ T72] netdev_get_by_index+0x5e/0x80 [ 938.204357][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.204357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.204357][ T72] ip6_route_add+0x1c/0x140 [ 938.204357][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 938.204357][ T72] addrconf_add_dev+0xe2/0x170 [ 938.204357][ T72] inet6_addr_add+0x12f/0xa40 [ 938.204357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.204357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.204357][ T72] netlink_rcv_skb+0x130/0x360 [ 938.204357][ T72] netlink_unicast+0x449/0x710 [ 938.204357][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.204357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.204357][ T72] ___sys_sendmsg+0xee/0x170 [ 938.204357][ T72] __sys_sendmsg+0xcd/0x170 [ 938.204357][ T72] do_syscall_64+0xc6/0x1e0 [ 938.204357][ T72] [ 938.206571][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 938.206571][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 938.206571][ T72] ipv6_find_idev+0x102/0x170 [ 938.206571][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.206571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.206571][ T72] netlink_rcv_skb+0x130/0x360 [ 938.206571][ T72] netlink_unicast+0x449/0x710 [ 938.206571][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.206571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.206571][ T72] ___sys_sendmsg+0xee/0x170 [ 938.206571][ T72] __sys_sendmsg+0xcd/0x170 [ 938.206571][ T72] do_syscall_64+0xc6/0x1e0 [ 938.206571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.206571][ T72] [ 938.208360][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 938.208360][ T72] neigh_parms_alloc+0x1e5/0x510 [ 938.208360][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 938.208360][ T72] ipv6_find_idev+0x102/0x170 [ 938.208360][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.208360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.208360][ T72] netlink_rcv_skb+0x130/0x360 [ 938.208360][ T72] netlink_unicast+0x449/0x710 [ 938.208360][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.208360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.208360][ T72] ___sys_sendmsg+0xee/0x170 [ 938.208360][ T72] __sys_sendmsg+0xcd/0x170 [ 938.208360][ T72] do_syscall_64+0xc6/0x1e0 [ 938.208360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.208360][ T72] [ 938.210244][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 938.210591][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 938.210591][ T72] netdev_get_by_index+0x5e/0x80 [ 938.210591][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.210591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.210591][ T72] addrconf_f6i_alloc+0x265/0x560 [ 938.210591][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 938.210591][ T72] addrconf_join_anycast+0x1c0/0x220 [ 938.210591][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 938.210591][ T72] addrconf_dad_completed+0x12b/0xe20 [ 938.210591][ T72] addrconf_dad_begin+0x310/0x670 [ 938.210591][ T72] addrconf_dad_work+0x10b/0xab0 [ 938.210591][ T72] process_one_work+0x84d/0x18a0 [ 938.210591][ T72] worker_thread+0x587/0xd30 [ 938.210591][ T72] kthread+0x28a/0x350 [ 938.210591][ T72] ret_from_fork+0x31/0x70 [ 938.210591][ T72] ret_from_fork_asm+0x1a/0x30 [ 938.210591][ T72] [ 938.213310][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 938.213310][ T72] netdev_get_by_index+0x5e/0x80 [ 938.213310][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.213310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.213310][ T72] ip6_route_add+0x1c/0x140 [ 938.213310][ T72] addrconf_prefix_route+0x2a6/0x430 [ 938.213310][ T72] inet6_addr_add+0x4f8/0xa40 [ 938.213310][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.213310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.213310][ T72] netlink_rcv_skb+0x130/0x360 [ 938.213310][ T72] netlink_unicast+0x449/0x710 [ 938.213310][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.213310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.213310][ T72] ___sys_sendmsg+0xee/0x170 [ 938.213310][ T72] __sys_sendmsg+0xcd/0x170 [ 938.213310][ T72] do_syscall_64+0xc6/0x1e0 [ 938.213310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.213310][ T72] [ 938.215571][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 938.215571][ T72] netdev_get_by_index+0x5e/0x80 [ 938.215571][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.215571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.215571][ T72] addrconf_f6i_alloc+0x315/0x560 [ 938.215571][ T72] ipv6_add_addr+0x411/0x2000 [ 938.215571][ T72] inet6_addr_add+0x30e/0xa40 [ 938.215571][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.215571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.215571][ T72] netlink_rcv_skb+0x130/0x360 [ 938.215571][ T72] netlink_unicast+0x449/0x710 [ 938.215571][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.215571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.215571][ T72] ___sys_sendmsg+0xee/0x170 [ 938.215571][ T72] __sys_sendmsg+0xcd/0x170 [ 938.215571][ T72] do_syscall_64+0xc6/0x1e0 [ 938.215571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.215571][ T72] [ 938.217881][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 938.217881][ T72] netdev_get_by_index+0x5e/0x80 [ 938.217881][ T72] fib6_nh_init+0x3d8/0x1580 [ 938.217881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 938.217881][ T72] ip6_route_add+0x1c/0x140 [ 938.217881][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 938.217881][ T72] addrconf_add_dev+0xe2/0x170 [ 938.217881][ T72] inet6_addr_add+0x12f/0xa40 [ 938.217881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 938.217881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.217881][ T72] netlink_rcv_skb+0x130/0x360 [ 938.217881][ T72] netlink_unicast+0x449/0x710 [ 938.217881][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.217881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.217881][ T72] ___sys_sendmsg+0xee/0x170 [ 938.217881][ T72] __sys_sendmsg+0xcd/0x170 [ 938.217881][ T72] do_syscall_64+0xc6/0x1e0 [ 938.217881][ T72] [ 938.220097][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 938.220097][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 938.220097][ T72] ipv6_find_idev+0x102/0x170 [ 938.220097][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.220097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.220097][ T72] netlink_rcv_skb+0x130/0x360 [ 938.220097][ T72] netlink_unicast+0x449/0x710 [ 938.220097][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.220097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.220097][ T72] ___sys_sendmsg+0xee/0x170 [ 938.220097][ T72] __sys_sendmsg+0xcd/0x170 [ 938.220097][ T72] do_syscall_64+0xc6/0x1e0 [ 938.220097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.220097][ T72] [ 938.221830][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 938.221830][ T72] neigh_parms_alloc+0x1e5/0x510 [ 938.221830][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 938.221830][ T72] ipv6_find_idev+0x102/0x170 [ 938.221830][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.221830][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.221830][ T72] netlink_rcv_skb+0x130/0x360 [ 938.221830][ T72] netlink_unicast+0x449/0x710 [ 938.221830][ T72] netlink_sendmsg+0x723/0xbe0 [ 938.221830][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 938.221830][ T72] ___sys_sendmsg+0xee/0x170 [ 938.221830][ T72] __sys_sendmsg+0xcd/0x170 [ 938.221830][ T72] do_syscall_64+0xc6/0x1e0 [ 938.221830][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.221830][ T72] [ 948.472944][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 948.473459][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 948.473459][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 948.473459][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 948.473459][ T72] fib6_nh_init+0xa22/0x1580 [ 948.473459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.473459][ T72] ip6_route_add+0x1c/0x140 [ 948.473459][ T72] inet6_rtm_newroute+0x104/0x110 [ 948.473459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.473459][ T72] netlink_rcv_skb+0x130/0x360 [ 948.473459][ T72] netlink_unicast+0x449/0x710 [ 948.473459][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.473459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.473459][ T72] ___sys_sendmsg+0xee/0x170 [ 948.473459][ T72] __sys_sendmsg+0xcd/0x170 [ 948.473459][ T72] do_syscall_64+0xc6/0x1e0 [ 948.473459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.473459][ T72] [ 948.475771][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 948.475771][ T72] dst_init+0x84/0x4a0 [ 948.475771][ T72] dst_alloc+0x97/0x150 [ 948.475771][ T72] ip6_dst_alloc+0x23/0x90 [ 948.475771][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 948.475771][ T72] ip6_pol_route+0x56f/0x840 [ 948.475771][ T72] fib6_rule_lookup+0x456/0x630 [ 948.475771][ T72] ip6_route_input+0x59c/0xa50 [ 948.475771][ T72] ipv6_rcv+0x397/0x810 [ 948.475771][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 948.475771][ T72] process_backlog+0x101/0x620 [ 948.475771][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 948.475771][ T72] net_rx_action+0x495/0xbe0 [ 948.475771][ T72] __do_softirq+0x1b5/0x7f6 [ 948.475771][ T72] [ 948.477424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 948.477424][ T72] netdev_get_by_index+0x5e/0x80 [ 948.477424][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.477424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.477424][ T72] ip6_route_add+0x1c/0x140 [ 948.477424][ T72] addrconf_prefix_route+0x2a6/0x430 [ 948.477424][ T72] inet6_addr_add+0x4f8/0xa40 [ 948.477424][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.477424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.477424][ T72] netlink_rcv_skb+0x130/0x360 [ 948.477424][ T72] netlink_unicast+0x449/0x710 [ 948.477424][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.477424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.477424][ T72] ___sys_sendmsg+0xee/0x170 [ 948.477424][ T72] __sys_sendmsg+0xcd/0x170 [ 948.477424][ T72] do_syscall_64+0xc6/0x1e0 [ 948.477424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.477424][ T72] [ 948.479432][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 948.479432][ T72] netdev_get_by_index+0x5e/0x80 [ 948.479432][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.479432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.479432][ T72] addrconf_f6i_alloc+0x315/0x560 [ 948.479432][ T72] ipv6_add_addr+0x411/0x2000 [ 948.479432][ T72] inet6_addr_add+0x30e/0xa40 [ 948.479432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.479432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.479432][ T72] netlink_rcv_skb+0x130/0x360 [ 948.479432][ T72] netlink_unicast+0x449/0x710 [ 948.479432][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.479432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.479432][ T72] ___sys_sendmsg+0xee/0x170 [ 948.479432][ T72] __sys_sendmsg+0xcd/0x170 [ 948.479432][ T72] do_syscall_64+0xc6/0x1e0 [ 948.479432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.479432][ T72] [ 948.481444][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 948.481444][ T72] netdev_get_by_index+0x5e/0x80 [ 948.481444][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.481444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.481444][ T72] ip6_route_add+0x1c/0x140 [ 948.481444][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 948.481444][ T72] addrconf_add_dev+0xe2/0x170 [ 948.481444][ T72] inet6_addr_add+0x12f/0xa40 [ 948.481444][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.481444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.481444][ T72] netlink_rcv_skb+0x130/0x360 [ 948.481444][ T72] netlink_unicast+0x449/0x710 [ 948.481444][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.481444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.481444][ T72] ___sys_sendmsg+0xee/0x170 [ 948.481444][ T72] __sys_sendmsg+0xcd/0x170 [ 948.481444][ T72] do_syscall_64+0xc6/0x1e0 [ 948.481444][ T72] [ 948.483421][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 948.483421][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 948.483421][ T72] ipv6_find_idev+0x102/0x170 [ 948.483421][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.483421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.483421][ T72] netlink_rcv_skb+0x130/0x360 [ 948.483421][ T72] netlink_unicast+0x449/0x710 [ 948.483421][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.483421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.483421][ T72] ___sys_sendmsg+0xee/0x170 [ 948.483421][ T72] __sys_sendmsg+0xcd/0x170 [ 948.483421][ T72] do_syscall_64+0xc6/0x1e0 [ 948.483421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.483421][ T72] [ 948.484961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 948.484961][ T72] neigh_parms_alloc+0x1e5/0x510 [ 948.484961][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 948.484961][ T72] ipv6_find_idev+0x102/0x170 [ 948.484961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.484961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.484961][ T72] netlink_rcv_skb+0x130/0x360 [ 948.484961][ T72] netlink_unicast+0x449/0x710 [ 948.484961][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.484961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.484961][ T72] ___sys_sendmsg+0xee/0x170 [ 948.484961][ T72] __sys_sendmsg+0xcd/0x170 [ 948.484961][ T72] do_syscall_64+0xc6/0x1e0 [ 948.484961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.484961][ T72] [ 948.486678][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 948.486970][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 948.486970][ T72] dst_init+0x84/0x4a0 [ 948.486970][ T72] dst_alloc+0x97/0x150 [ 948.486970][ T72] ip6_dst_alloc+0x23/0x90 [ 948.486970][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 948.486970][ T72] ip6_pol_route+0x56f/0x840 [ 948.486970][ T72] fib6_rule_lookup+0x456/0x630 [ 948.486970][ T72] ip6_route_input+0x59c/0xa50 [ 948.486970][ T72] ipv6_rcv+0x397/0x810 [ 948.486970][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 948.486970][ T72] process_backlog+0x101/0x620 [ 948.486970][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 948.486970][ T72] net_rx_action+0x495/0xbe0 [ 948.486970][ T72] __do_softirq+0x1b5/0x7f6 [ 948.486970][ T72] [ 948.488617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 948.488617][ T72] netdev_get_by_index+0x5e/0x80 [ 948.488617][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.488617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.488617][ T72] addrconf_f6i_alloc+0x265/0x560 [ 948.488617][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 948.488617][ T72] addrconf_join_anycast+0x1c0/0x220 [ 948.488617][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 948.488617][ T72] addrconf_dad_completed+0x12b/0xe20 [ 948.488617][ T72] addrconf_dad_begin+0x310/0x670 [ 948.488617][ T72] addrconf_dad_work+0x10b/0xab0 [ 948.488617][ T72] process_one_work+0x84d/0x18a0 [ 948.488617][ T72] worker_thread+0x587/0xd30 [ 948.488617][ T72] kthread+0x28a/0x350 [ 948.488617][ T72] ret_from_fork+0x31/0x70 [ 948.488617][ T72] ret_from_fork_asm+0x1a/0x30 [ 948.488617][ T72] [ 948.490524][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 948.490524][ T72] netdev_get_by_index+0x5e/0x80 [ 948.490524][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.490524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.490524][ T72] ip6_route_add+0x1c/0x140 [ 948.490524][ T72] addrconf_prefix_route+0x2a6/0x430 [ 948.490524][ T72] inet6_addr_add+0x4f8/0xa40 [ 948.490524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.490524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.490524][ T72] netlink_rcv_skb+0x130/0x360 [ 948.490524][ T72] netlink_unicast+0x449/0x710 [ 948.490524][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.490524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.490524][ T72] ___sys_sendmsg+0xee/0x170 [ 948.490524][ T72] __sys_sendmsg+0xcd/0x170 [ 948.490524][ T72] do_syscall_64+0xc6/0x1e0 [ 948.490524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.490524][ T72] [ 948.492517][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 948.492517][ T72] netdev_get_by_index+0x5e/0x80 [ 948.492517][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.492517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.492517][ T72] addrconf_f6i_alloc+0x315/0x560 [ 948.492517][ T72] ipv6_add_addr+0x411/0x2000 [ 948.492517][ T72] inet6_addr_add+0x30e/0xa40 [ 948.492517][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.492517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.492517][ T72] netlink_rcv_skb+0x130/0x360 [ 948.492517][ T72] netlink_unicast+0x449/0x710 [ 948.492517][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.492517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.492517][ T72] ___sys_sendmsg+0xee/0x170 [ 948.492517][ T72] __sys_sendmsg+0xcd/0x170 [ 948.492517][ T72] do_syscall_64+0xc6/0x1e0 [ 948.492517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.492517][ T72] [ 948.494522][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 948.494522][ T72] netdev_get_by_index+0x5e/0x80 [ 948.494522][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.494522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.494522][ T72] ip6_route_add+0x1c/0x140 [ 948.494522][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 948.494522][ T72] addrconf_add_dev+0xe2/0x170 [ 948.494522][ T72] inet6_addr_add+0x12f/0xa40 [ 948.494522][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.494522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.494522][ T72] netlink_rcv_skb+0x130/0x360 [ 948.494522][ T72] netlink_unicast+0x449/0x710 [ 948.494522][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.494522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.494522][ T72] ___sys_sendmsg+0xee/0x170 [ 948.494522][ T72] __sys_sendmsg+0xcd/0x170 [ 948.494522][ T72] do_syscall_64+0xc6/0x1e0 [ 948.494522][ T72] [ 948.496489][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 948.496489][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 948.496489][ T72] ipv6_find_idev+0x102/0x170 [ 948.496489][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.496489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.496489][ T72] netlink_rcv_skb+0x130/0x360 [ 948.496489][ T72] netlink_unicast+0x449/0x710 [ 948.496489][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.496489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.496489][ T72] ___sys_sendmsg+0xee/0x170 [ 948.496489][ T72] __sys_sendmsg+0xcd/0x170 [ 948.496489][ T72] do_syscall_64+0xc6/0x1e0 [ 948.496489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.496489][ T72] [ 948.498040][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 948.498040][ T72] neigh_parms_alloc+0x1e5/0x510 [ 948.498040][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 948.498040][ T72] ipv6_find_idev+0x102/0x170 [ 948.498040][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.498040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.498040][ T72] netlink_rcv_skb+0x130/0x360 [ 948.498040][ T72] netlink_unicast+0x449/0x710 [ 948.498040][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.498040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.498040][ T72] ___sys_sendmsg+0xee/0x170 [ 948.498040][ T72] __sys_sendmsg+0xcd/0x170 [ 948.498040][ T72] do_syscall_64+0xc6/0x1e0 [ 948.498040][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.498040][ T72] [ 948.499862][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 948.500131][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 948.500131][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 948.500131][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 948.500131][ T72] fib6_nh_init+0xa22/0x1580 [ 948.500131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.500131][ T72] ip6_route_add+0x1c/0x140 [ 948.500131][ T72] inet6_rtm_newroute+0x104/0x110 [ 948.500131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.500131][ T72] netlink_rcv_skb+0x130/0x360 [ 948.500131][ T72] netlink_unicast+0x449/0x710 [ 948.500131][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.500131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.500131][ T72] ___sys_sendmsg+0xee/0x170 [ 948.500131][ T72] __sys_sendmsg+0xcd/0x170 [ 948.500131][ T72] do_syscall_64+0xc6/0x1e0 [ 948.500131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.500131][ T72] [ 948.502318][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 948.502318][ T72] dst_init+0x84/0x4a0 [ 948.502318][ T72] dst_alloc+0x97/0x150 [ 948.502318][ T72] ip6_dst_alloc+0x23/0x90 [ 948.502318][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 948.502318][ T72] ip6_pol_route+0x56f/0x840 [ 948.502318][ T72] fib6_rule_lookup+0x456/0x630 [ 948.502318][ T72] ip6_route_input+0x59c/0xa50 [ 948.502318][ T72] ipv6_rcv+0x397/0x810 [ 948.502318][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 948.502318][ T72] process_backlog+0x101/0x620 [ 948.502318][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 948.502318][ T72] net_rx_action+0x495/0xbe0 [ 948.502318][ T72] __do_softirq+0x1b5/0x7f6 [ 948.502318][ T72] [ 948.504153][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 948.504153][ T72] netdev_get_by_index+0x5e/0x80 [ 948.504153][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.504153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.504153][ T72] ip6_route_add+0x1c/0x140 [ 948.504153][ T72] addrconf_prefix_route+0x2a6/0x430 [ 948.504153][ T72] inet6_addr_add+0x4f8/0xa40 [ 948.504153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.504153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.504153][ T72] netlink_rcv_skb+0x130/0x360 [ 948.504153][ T72] netlink_unicast+0x449/0x710 [ 948.504153][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.504153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.504153][ T72] ___sys_sendmsg+0xee/0x170 [ 948.504153][ T72] __sys_sendmsg+0xcd/0x170 [ 948.504153][ T72] do_syscall_64+0xc6/0x1e0 [ 948.504153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.504153][ T72] [ 948.506390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 948.506390][ T72] netdev_get_by_index+0x5e/0x80 [ 948.506390][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.506390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.506390][ T72] addrconf_f6i_alloc+0x315/0x560 [ 948.506390][ T72] ipv6_add_addr+0x411/0x2000 [ 948.506390][ T72] inet6_addr_add+0x30e/0xa40 [ 948.506390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.506390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.506390][ T72] netlink_rcv_skb+0x130/0x360 [ 948.506390][ T72] netlink_unicast+0x449/0x710 [ 948.506390][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.506390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.506390][ T72] ___sys_sendmsg+0xee/0x170 [ 948.506390][ T72] __sys_sendmsg+0xcd/0x170 [ 948.506390][ T72] do_syscall_64+0xc6/0x1e0 [ 948.506390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.506390][ T72] [ 948.508571][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 948.508571][ T72] netdev_get_by_index+0x5e/0x80 [ 948.508571][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.508571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.508571][ T72] ip6_route_add+0x1c/0x140 [ 948.508571][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 948.508571][ T72] addrconf_add_dev+0xe2/0x170 [ 948.508571][ T72] inet6_addr_add+0x12f/0xa40 [ 948.508571][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.508571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.508571][ T72] netlink_rcv_skb+0x130/0x360 [ 948.508571][ T72] netlink_unicast+0x449/0x710 [ 948.508571][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.508571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.508571][ T72] ___sys_sendmsg+0xee/0x170 [ 948.508571][ T72] __sys_sendmsg+0xcd/0x170 [ 948.508571][ T72] do_syscall_64+0xc6/0x1e0 [ 948.508571][ T72] [ 948.510840][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 948.510840][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 948.510840][ T72] ipv6_find_idev+0x102/0x170 [ 948.510840][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.510840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.510840][ T72] netlink_rcv_skb+0x130/0x360 [ 948.510840][ T72] netlink_unicast+0x449/0x710 [ 948.510840][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.510840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.510840][ T72] ___sys_sendmsg+0xee/0x170 [ 948.510840][ T72] __sys_sendmsg+0xcd/0x170 [ 948.510840][ T72] do_syscall_64+0xc6/0x1e0 [ 948.510840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.510840][ T72] [ 948.512565][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 948.512565][ T72] neigh_parms_alloc+0x1e5/0x510 [ 948.512565][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 948.512565][ T72] ipv6_find_idev+0x102/0x170 [ 948.512565][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.512565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.512565][ T72] netlink_rcv_skb+0x130/0x360 [ 948.512565][ T72] netlink_unicast+0x449/0x710 [ 948.512565][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.512565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.512565][ T72] ___sys_sendmsg+0xee/0x170 [ 948.512565][ T72] __sys_sendmsg+0xcd/0x170 [ 948.512565][ T72] do_syscall_64+0xc6/0x1e0 [ 948.512565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.512565][ T72] [ 948.514450][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 948.514794][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 948.514794][ T72] netdev_get_by_index+0x5e/0x80 [ 948.514794][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.514794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.514794][ T72] addrconf_f6i_alloc+0x265/0x560 [ 948.514794][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 948.514794][ T72] addrconf_join_anycast+0x1c0/0x220 [ 948.514794][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 948.514794][ T72] addrconf_dad_completed+0x12b/0xe20 [ 948.514794][ T72] addrconf_dad_begin+0x310/0x670 [ 948.514794][ T72] addrconf_dad_work+0x10b/0xab0 [ 948.514794][ T72] process_one_work+0x84d/0x18a0 [ 948.514794][ T72] worker_thread+0x587/0xd30 [ 948.514794][ T72] kthread+0x28a/0x350 [ 948.514794][ T72] ret_from_fork+0x31/0x70 [ 948.514794][ T72] ret_from_fork_asm+0x1a/0x30 [ 948.514794][ T72] [ 948.516823][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 948.516823][ T72] netdev_get_by_index+0x5e/0x80 [ 948.516823][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.516823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.516823][ T72] ip6_route_add+0x1c/0x140 [ 948.516823][ T72] addrconf_prefix_route+0x2a6/0x430 [ 948.516823][ T72] inet6_addr_add+0x4f8/0xa40 [ 948.516823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.516823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.516823][ T72] netlink_rcv_skb+0x130/0x360 [ 948.516823][ T72] netlink_unicast+0x449/0x710 [ 948.516823][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.516823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.516823][ T72] ___sys_sendmsg+0xee/0x170 [ 948.516823][ T72] __sys_sendmsg+0xcd/0x170 [ 948.516823][ T72] do_syscall_64+0xc6/0x1e0 [ 948.516823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.516823][ T72] [ 948.519065][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 948.519065][ T72] netdev_get_by_index+0x5e/0x80 [ 948.519065][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.519065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.519065][ T72] addrconf_f6i_alloc+0x315/0x560 [ 948.519065][ T72] ipv6_add_addr+0x411/0x2000 [ 948.519065][ T72] inet6_addr_add+0x30e/0xa40 [ 948.519065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.519065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.519065][ T72] netlink_rcv_skb+0x130/0x360 [ 948.519065][ T72] netlink_unicast+0x449/0x710 [ 948.519065][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.519065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.519065][ T72] ___sys_sendmsg+0xee/0x170 [ 948.519065][ T72] __sys_sendmsg+0xcd/0x170 [ 948.519065][ T72] do_syscall_64+0xc6/0x1e0 [ 948.519065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.519065][ T72] [ 948.521365][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 948.521365][ T72] netdev_get_by_index+0x5e/0x80 [ 948.521365][ T72] fib6_nh_init+0x3d8/0x1580 [ 948.521365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 948.521365][ T72] ip6_route_add+0x1c/0x140 [ 948.521365][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 948.521365][ T72] addrconf_add_dev+0xe2/0x170 [ 948.521365][ T72] inet6_addr_add+0x12f/0xa40 [ 948.521365][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 948.521365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.521365][ T72] netlink_rcv_skb+0x130/0x360 [ 948.521365][ T72] netlink_unicast+0x449/0x710 [ 948.521365][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.521365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.521365][ T72] ___sys_sendmsg+0xee/0x170 [ 948.521365][ T72] __sys_sendmsg+0xcd/0x170 [ 948.521365][ T72] do_syscall_64+0xc6/0x1e0 [ 948.521365][ T72] [ 948.523576][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 948.523576][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 948.523576][ T72] ipv6_find_idev+0x102/0x170 [ 948.523576][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.523576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.523576][ T72] netlink_rcv_skb+0x130/0x360 [ 948.523576][ T72] netlink_unicast+0x449/0x710 [ 948.523576][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.523576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.523576][ T72] ___sys_sendmsg+0xee/0x170 [ 948.523576][ T72] __sys_sendmsg+0xcd/0x170 [ 948.523576][ T72] do_syscall_64+0xc6/0x1e0 [ 948.523576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.523576][ T72] [ 948.525311][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 948.525311][ T72] neigh_parms_alloc+0x1e5/0x510 [ 948.525311][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 948.525311][ T72] ipv6_find_idev+0x102/0x170 [ 948.525311][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.525311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.525311][ T72] netlink_rcv_skb+0x130/0x360 [ 948.525311][ T72] netlink_unicast+0x449/0x710 [ 948.525311][ T72] netlink_sendmsg+0x723/0xbe0 [ 948.525311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 948.525311][ T72] ___sys_sendmsg+0xee/0x170 [ 948.525311][ T72] __sys_sendmsg+0xcd/0x170 [ 948.525311][ T72] do_syscall_64+0xc6/0x1e0 [ 948.525311][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.525311][ T72] [ 958.528919][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 958.529629][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 958.529629][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 958.529629][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 958.529629][ T72] fib6_nh_init+0xa22/0x1580 [ 958.529629][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.529629][ T72] ip6_route_add+0x1c/0x140 [ 958.529629][ T72] inet6_rtm_newroute+0x104/0x110 [ 958.529629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.529629][ T72] netlink_rcv_skb+0x130/0x360 [ 958.529629][ T72] netlink_unicast+0x449/0x710 [ 958.529629][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.529629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.529629][ T72] ___sys_sendmsg+0xee/0x170 [ 958.529629][ T72] __sys_sendmsg+0xcd/0x170 [ 958.529629][ T72] do_syscall_64+0xc6/0x1e0 [ 958.529629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.529629][ T72] [ 958.531620][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 958.531620][ T72] dst_init+0x84/0x4a0 [ 958.531620][ T72] dst_alloc+0x97/0x150 [ 958.531620][ T72] ip6_dst_alloc+0x23/0x90 [ 958.531620][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 958.531620][ T72] ip6_pol_route+0x56f/0x840 [ 958.531620][ T72] fib6_rule_lookup+0x456/0x630 [ 958.531620][ T72] ip6_route_input+0x59c/0xa50 [ 958.531620][ T72] ipv6_rcv+0x397/0x810 [ 958.531620][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 958.531620][ T72] process_backlog+0x101/0x620 [ 958.531620][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 958.531620][ T72] net_rx_action+0x495/0xbe0 [ 958.531620][ T72] __do_softirq+0x1b5/0x7f6 [ 958.531620][ T72] [ 958.533309][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 958.533309][ T72] netdev_get_by_index+0x5e/0x80 [ 958.533309][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.533309][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.533309][ T72] ip6_route_add+0x1c/0x140 [ 958.533309][ T72] addrconf_prefix_route+0x2a6/0x430 [ 958.533309][ T72] inet6_addr_add+0x4f8/0xa40 [ 958.533309][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.533309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.533309][ T72] netlink_rcv_skb+0x130/0x360 [ 958.533309][ T72] netlink_unicast+0x449/0x710 [ 958.533309][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.533309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.533309][ T72] ___sys_sendmsg+0xee/0x170 [ 958.533309][ T72] __sys_sendmsg+0xcd/0x170 [ 958.533309][ T72] do_syscall_64+0xc6/0x1e0 [ 958.533309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.533309][ T72] [ 958.535325][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 958.535325][ T72] netdev_get_by_index+0x5e/0x80 [ 958.535325][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.535325][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.535325][ T72] addrconf_f6i_alloc+0x315/0x560 [ 958.535325][ T72] ipv6_add_addr+0x411/0x2000 [ 958.535325][ T72] inet6_addr_add+0x30e/0xa40 [ 958.535325][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.535325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.535325][ T72] netlink_rcv_skb+0x130/0x360 [ 958.535325][ T72] netlink_unicast+0x449/0x710 [ 958.535325][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.535325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.535325][ T72] ___sys_sendmsg+0xee/0x170 [ 958.535325][ T72] __sys_sendmsg+0xcd/0x170 [ 958.535325][ T72] do_syscall_64+0xc6/0x1e0 [ 958.535325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.535325][ T72] [ 958.537723][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 958.537723][ T72] netdev_get_by_index+0x5e/0x80 [ 958.537723][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.537723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.537723][ T72] ip6_route_add+0x1c/0x140 [ 958.537723][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 958.537723][ T72] addrconf_add_dev+0xe2/0x170 [ 958.537723][ T72] inet6_addr_add+0x12f/0xa40 [ 958.537723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.537723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.537723][ T72] netlink_rcv_skb+0x130/0x360 [ 958.537723][ T72] netlink_unicast+0x449/0x710 [ 958.537723][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.537723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.537723][ T72] ___sys_sendmsg+0xee/0x170 [ 958.537723][ T72] __sys_sendmsg+0xcd/0x170 [ 958.537723][ T72] do_syscall_64+0xc6/0x1e0 [ 958.537723][ T72] [ 958.539832][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 958.539832][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 958.539832][ T72] ipv6_find_idev+0x102/0x170 [ 958.539832][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.539832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.539832][ T72] netlink_rcv_skb+0x130/0x360 [ 958.539832][ T72] netlink_unicast+0x449/0x710 [ 958.539832][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.539832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.539832][ T72] ___sys_sendmsg+0xee/0x170 [ 958.539832][ T72] __sys_sendmsg+0xcd/0x170 [ 958.539832][ T72] do_syscall_64+0xc6/0x1e0 [ 958.539832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.539832][ T72] [ 958.541766][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 958.541766][ T72] neigh_parms_alloc+0x1e5/0x510 [ 958.541766][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 958.541766][ T72] ipv6_find_idev+0x102/0x170 [ 958.541766][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.541766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.541766][ T72] netlink_rcv_skb+0x130/0x360 [ 958.541766][ T72] netlink_unicast+0x449/0x710 [ 958.541766][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.541766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.541766][ T72] ___sys_sendmsg+0xee/0x170 [ 958.541766][ T72] __sys_sendmsg+0xcd/0x170 [ 958.541766][ T72] do_syscall_64+0xc6/0x1e0 [ 958.541766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.541766][ T72] [ 958.543572][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 958.543888][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 958.543888][ T72] dst_init+0x84/0x4a0 [ 958.543888][ T72] dst_alloc+0x97/0x150 [ 958.543888][ T72] ip6_dst_alloc+0x23/0x90 [ 958.543888][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 958.543888][ T72] ip6_pol_route+0x56f/0x840 [ 958.543888][ T72] fib6_rule_lookup+0x456/0x630 [ 958.543888][ T72] ip6_route_input+0x59c/0xa50 [ 958.543888][ T72] ipv6_rcv+0x397/0x810 [ 958.543888][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 958.543888][ T72] process_backlog+0x101/0x620 [ 958.543888][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 958.543888][ T72] net_rx_action+0x495/0xbe0 [ 958.543888][ T72] __do_softirq+0x1b5/0x7f6 [ 958.543888][ T72] [ 958.545558][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 958.545558][ T72] netdev_get_by_index+0x5e/0x80 [ 958.545558][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.545558][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.545558][ T72] addrconf_f6i_alloc+0x265/0x560 [ 958.545558][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 958.545558][ T72] addrconf_join_anycast+0x1c0/0x220 [ 958.545558][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 958.545558][ T72] addrconf_dad_completed+0x12b/0xe20 [ 958.545558][ T72] addrconf_dad_begin+0x310/0x670 [ 958.545558][ T72] addrconf_dad_work+0x10b/0xab0 [ 958.545558][ T72] process_one_work+0x84d/0x18a0 [ 958.545558][ T72] worker_thread+0x587/0xd30 [ 958.545558][ T72] kthread+0x28a/0x350 [ 958.545558][ T72] ret_from_fork+0x31/0x70 [ 958.545558][ T72] ret_from_fork_asm+0x1a/0x30 [ 958.545558][ T72] [ 958.547489][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 958.547489][ T72] netdev_get_by_index+0x5e/0x80 [ 958.547489][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.547489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.547489][ T72] ip6_route_add+0x1c/0x140 [ 958.547489][ T72] addrconf_prefix_route+0x2a6/0x430 [ 958.547489][ T72] inet6_addr_add+0x4f8/0xa40 [ 958.547489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.547489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.547489][ T72] netlink_rcv_skb+0x130/0x360 [ 958.547489][ T72] netlink_unicast+0x449/0x710 [ 958.547489][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.547489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.547489][ T72] ___sys_sendmsg+0xee/0x170 [ 958.547489][ T72] __sys_sendmsg+0xcd/0x170 [ 958.547489][ T72] do_syscall_64+0xc6/0x1e0 [ 958.547489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.547489][ T72] [ 958.549539][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 958.549539][ T72] netdev_get_by_index+0x5e/0x80 [ 958.549539][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.549539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.549539][ T72] addrconf_f6i_alloc+0x315/0x560 [ 958.549539][ T72] ipv6_add_addr+0x411/0x2000 [ 958.549539][ T72] inet6_addr_add+0x30e/0xa40 [ 958.549539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.549539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.549539][ T72] netlink_rcv_skb+0x130/0x360 [ 958.549539][ T72] netlink_unicast+0x449/0x710 [ 958.549539][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.549539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.549539][ T72] ___sys_sendmsg+0xee/0x170 [ 958.549539][ T72] __sys_sendmsg+0xcd/0x170 [ 958.549539][ T72] do_syscall_64+0xc6/0x1e0 [ 958.549539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.549539][ T72] [ 958.552155][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 958.552155][ T72] netdev_get_by_index+0x5e/0x80 [ 958.552155][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.552155][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.552155][ T72] ip6_route_add+0x1c/0x140 [ 958.552155][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 958.552155][ T72] addrconf_add_dev+0xe2/0x170 [ 958.552155][ T72] inet6_addr_add+0x12f/0xa40 [ 958.552155][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.552155][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.552155][ T72] netlink_rcv_skb+0x130/0x360 [ 958.552155][ T72] netlink_unicast+0x449/0x710 [ 958.552155][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.552155][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.552155][ T72] ___sys_sendmsg+0xee/0x170 [ 958.552155][ T72] __sys_sendmsg+0xcd/0x170 [ 958.552155][ T72] do_syscall_64+0xc6/0x1e0 [ 958.552155][ T72] [ 958.555208][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 958.555208][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 958.555208][ T72] ipv6_find_idev+0x102/0x170 [ 958.555208][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.555208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.555208][ T72] netlink_rcv_skb+0x130/0x360 [ 958.555208][ T72] netlink_unicast+0x449/0x710 [ 958.555208][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.555208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.555208][ T72] ___sys_sendmsg+0xee/0x170 [ 958.555208][ T72] __sys_sendmsg+0xcd/0x170 [ 958.555208][ T72] do_syscall_64+0xc6/0x1e0 [ 958.555208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.555208][ T72] [ 958.556775][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 958.556775][ T72] neigh_parms_alloc+0x1e5/0x510 [ 958.556775][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 958.556775][ T72] ipv6_find_idev+0x102/0x170 [ 958.556775][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.556775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.556775][ T72] netlink_rcv_skb+0x130/0x360 [ 958.556775][ T72] netlink_unicast+0x449/0x710 [ 958.556775][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.556775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.556775][ T72] ___sys_sendmsg+0xee/0x170 [ 958.556775][ T72] __sys_sendmsg+0xcd/0x170 [ 958.556775][ T72] do_syscall_64+0xc6/0x1e0 [ 958.556775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.556775][ T72] [ 958.558737][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 958.559032][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 958.559032][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 958.559032][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 958.559032][ T72] fib6_nh_init+0xa22/0x1580 [ 958.559032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.559032][ T72] ip6_route_add+0x1c/0x140 [ 958.559032][ T72] inet6_rtm_newroute+0x104/0x110 [ 958.559032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.559032][ T72] netlink_rcv_skb+0x130/0x360 [ 958.559032][ T72] netlink_unicast+0x449/0x710 [ 958.559032][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.559032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.559032][ T72] ___sys_sendmsg+0xee/0x170 [ 958.559032][ T72] __sys_sendmsg+0xcd/0x170 [ 958.559032][ T72] do_syscall_64+0xc6/0x1e0 [ 958.559032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.559032][ T72] [ 958.561244][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 958.561244][ T72] dst_init+0x84/0x4a0 [ 958.561244][ T72] dst_alloc+0x97/0x150 [ 958.561244][ T72] ip6_dst_alloc+0x23/0x90 [ 958.561244][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 958.561244][ T72] ip6_pol_route+0x56f/0x840 [ 958.561244][ T72] fib6_rule_lookup+0x456/0x630 [ 958.561244][ T72] ip6_route_input+0x59c/0xa50 [ 958.561244][ T72] ipv6_rcv+0x397/0x810 [ 958.561244][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 958.561244][ T72] process_backlog+0x101/0x620 [ 958.561244][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 958.561244][ T72] net_rx_action+0x495/0xbe0 [ 958.561244][ T72] __do_softirq+0x1b5/0x7f6 [ 958.561244][ T72] [ 958.563297][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 958.563297][ T72] netdev_get_by_index+0x5e/0x80 [ 958.563297][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.563297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.563297][ T72] ip6_route_add+0x1c/0x140 [ 958.563297][ T72] addrconf_prefix_route+0x2a6/0x430 [ 958.563297][ T72] inet6_addr_add+0x4f8/0xa40 [ 958.563297][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.563297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.563297][ T72] netlink_rcv_skb+0x130/0x360 [ 958.563297][ T72] netlink_unicast+0x449/0x710 [ 958.563297][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.563297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.563297][ T72] ___sys_sendmsg+0xee/0x170 [ 958.563297][ T72] __sys_sendmsg+0xcd/0x170 [ 958.563297][ T72] do_syscall_64+0xc6/0x1e0 [ 958.563297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.563297][ T72] [ 958.565840][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 958.565840][ T72] netdev_get_by_index+0x5e/0x80 [ 958.565840][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.565840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.565840][ T72] addrconf_f6i_alloc+0x315/0x560 [ 958.565840][ T72] ipv6_add_addr+0x411/0x2000 [ 958.565840][ T72] inet6_addr_add+0x30e/0xa40 [ 958.565840][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.565840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.565840][ T72] netlink_rcv_skb+0x130/0x360 [ 958.565840][ T72] netlink_unicast+0x449/0x710 [ 958.565840][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.565840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.565840][ T72] ___sys_sendmsg+0xee/0x170 [ 958.565840][ T72] __sys_sendmsg+0xcd/0x170 [ 958.565840][ T72] do_syscall_64+0xc6/0x1e0 [ 958.565840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.565840][ T72] [ 958.568051][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 958.568051][ T72] netdev_get_by_index+0x5e/0x80 [ 958.568051][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.568051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.568051][ T72] ip6_route_add+0x1c/0x140 [ 958.568051][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 958.568051][ T72] addrconf_add_dev+0xe2/0x170 [ 958.568051][ T72] inet6_addr_add+0x12f/0xa40 [ 958.568051][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.568051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.568051][ T72] netlink_rcv_skb+0x130/0x360 [ 958.568051][ T72] netlink_unicast+0x449/0x710 [ 958.568051][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.568051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.568051][ T72] ___sys_sendmsg+0xee/0x170 [ 958.568051][ T72] __sys_sendmsg+0xcd/0x170 [ 958.568051][ T72] do_syscall_64+0xc6/0x1e0 [ 958.568051][ T72] [ 958.570462][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 958.570462][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 958.570462][ T72] ipv6_find_idev+0x102/0x170 [ 958.570462][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.570462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.570462][ T72] netlink_rcv_skb+0x130/0x360 [ 958.570462][ T72] netlink_unicast+0x449/0x710 [ 958.570462][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.570462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.570462][ T72] ___sys_sendmsg+0xee/0x170 [ 958.570462][ T72] __sys_sendmsg+0xcd/0x170 [ 958.570462][ T72] do_syscall_64+0xc6/0x1e0 [ 958.570462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.570462][ T72] [ 958.572262][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 958.572262][ T72] neigh_parms_alloc+0x1e5/0x510 [ 958.572262][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 958.572262][ T72] ipv6_find_idev+0x102/0x170 [ 958.572262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.572262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.572262][ T72] netlink_rcv_skb+0x130/0x360 [ 958.572262][ T72] netlink_unicast+0x449/0x710 [ 958.572262][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.572262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.572262][ T72] ___sys_sendmsg+0xee/0x170 [ 958.572262][ T72] __sys_sendmsg+0xcd/0x170 [ 958.572262][ T72] do_syscall_64+0xc6/0x1e0 [ 958.572262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.572262][ T72] [ 958.574283][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 958.574586][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 958.574586][ T72] netdev_get_by_index+0x5e/0x80 [ 958.574586][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.574586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.574586][ T72] addrconf_f6i_alloc+0x265/0x560 [ 958.574586][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 958.574586][ T72] addrconf_join_anycast+0x1c0/0x220 [ 958.574586][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 958.574586][ T72] addrconf_dad_completed+0x12b/0xe20 [ 958.574586][ T72] addrconf_dad_begin+0x310/0x670 [ 958.574586][ T72] addrconf_dad_work+0x10b/0xab0 [ 958.574586][ T72] process_one_work+0x84d/0x18a0 [ 958.574586][ T72] worker_thread+0x587/0xd30 [ 958.574586][ T72] kthread+0x28a/0x350 [ 958.574586][ T72] ret_from_fork+0x31/0x70 [ 958.574586][ T72] ret_from_fork_asm+0x1a/0x30 [ 958.574586][ T72] [ 958.576865][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 958.576865][ T72] netdev_get_by_index+0x5e/0x80 [ 958.576865][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.576865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.576865][ T72] ip6_route_add+0x1c/0x140 [ 958.576865][ T72] addrconf_prefix_route+0x2a6/0x430 [ 958.576865][ T72] inet6_addr_add+0x4f8/0xa40 [ 958.576865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.576865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.576865][ T72] netlink_rcv_skb+0x130/0x360 [ 958.576865][ T72] netlink_unicast+0x449/0x710 [ 958.576865][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.576865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.576865][ T72] ___sys_sendmsg+0xee/0x170 [ 958.576865][ T72] __sys_sendmsg+0xcd/0x170 [ 958.576865][ T72] do_syscall_64+0xc6/0x1e0 [ 958.576865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.576865][ T72] [ 958.579214][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 958.579214][ T72] netdev_get_by_index+0x5e/0x80 [ 958.579214][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.579214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.579214][ T72] addrconf_f6i_alloc+0x315/0x560 [ 958.579214][ T72] ipv6_add_addr+0x411/0x2000 [ 958.579214][ T72] inet6_addr_add+0x30e/0xa40 [ 958.579214][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.579214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.579214][ T72] netlink_rcv_skb+0x130/0x360 [ 958.579214][ T72] netlink_unicast+0x449/0x710 [ 958.579214][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.579214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.579214][ T72] ___sys_sendmsg+0xee/0x170 [ 958.579214][ T72] __sys_sendmsg+0xcd/0x170 [ 958.579214][ T72] do_syscall_64+0xc6/0x1e0 [ 958.579214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.579214][ T72] [ 958.581595][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 958.581595][ T72] netdev_get_by_index+0x5e/0x80 [ 958.581595][ T72] fib6_nh_init+0x3d8/0x1580 [ 958.581595][ T72] ip6_route_info_create+0xf18/0x17d0 [ 958.581595][ T72] ip6_route_add+0x1c/0x140 [ 958.581595][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 958.581595][ T72] addrconf_add_dev+0xe2/0x170 [ 958.581595][ T72] inet6_addr_add+0x12f/0xa40 [ 958.581595][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 958.581595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.581595][ T72] netlink_rcv_skb+0x130/0x360 [ 958.581595][ T72] netlink_unicast+0x449/0x710 [ 958.581595][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.581595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.581595][ T72] ___sys_sendmsg+0xee/0x170 [ 958.581595][ T72] __sys_sendmsg+0xcd/0x170 [ 958.581595][ T72] do_syscall_64+0xc6/0x1e0 [ 958.581595][ T72] [ 958.583931][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 958.583931][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 958.583931][ T72] ipv6_find_idev+0x102/0x170 [ 958.583931][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.583931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.583931][ T72] netlink_rcv_skb+0x130/0x360 [ 958.583931][ T72] netlink_unicast+0x449/0x710 [ 958.583931][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.583931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.583931][ T72] ___sys_sendmsg+0xee/0x170 [ 958.583931][ T72] __sys_sendmsg+0xcd/0x170 [ 958.583931][ T72] do_syscall_64+0xc6/0x1e0 [ 958.583931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.583931][ T72] [ 958.585724][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 958.585724][ T72] neigh_parms_alloc+0x1e5/0x510 [ 958.585724][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 958.585724][ T72] ipv6_find_idev+0x102/0x170 [ 958.585724][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.585724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.585724][ T72] netlink_rcv_skb+0x130/0x360 [ 958.585724][ T72] netlink_unicast+0x449/0x710 [ 958.585724][ T72] netlink_sendmsg+0x723/0xbe0 [ 958.585724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 958.585724][ T72] ___sys_sendmsg+0xee/0x170 [ 958.585724][ T72] __sys_sendmsg+0xcd/0x170 [ 958.585724][ T72] do_syscall_64+0xc6/0x1e0 [ 958.585724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.585724][ T72] [ 968.632954][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 968.633462][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 968.633462][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 968.633462][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 968.633462][ T72] fib6_nh_init+0xa22/0x1580 [ 968.633462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.633462][ T72] ip6_route_add+0x1c/0x140 [ 968.633462][ T72] inet6_rtm_newroute+0x104/0x110 [ 968.633462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.633462][ T72] netlink_rcv_skb+0x130/0x360 [ 968.633462][ T72] netlink_unicast+0x449/0x710 [ 968.633462][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.633462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.633462][ T72] ___sys_sendmsg+0xee/0x170 [ 968.633462][ T72] __sys_sendmsg+0xcd/0x170 [ 968.633462][ T72] do_syscall_64+0xc6/0x1e0 [ 968.633462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.633462][ T72] [ 968.635355][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 968.635355][ T72] dst_init+0x84/0x4a0 [ 968.635355][ T72] dst_alloc+0x97/0x150 [ 968.635355][ T72] ip6_dst_alloc+0x23/0x90 [ 968.635355][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 968.635355][ T72] ip6_pol_route+0x56f/0x840 [ 968.635355][ T72] fib6_rule_lookup+0x456/0x630 [ 968.635355][ T72] ip6_route_input+0x59c/0xa50 [ 968.635355][ T72] ipv6_rcv+0x397/0x810 [ 968.635355][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 968.635355][ T72] process_backlog+0x101/0x620 [ 968.635355][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 968.635355][ T72] net_rx_action+0x495/0xbe0 [ 968.635355][ T72] __do_softirq+0x1b5/0x7f6 [ 968.635355][ T72] [ 968.636993][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 968.636993][ T72] netdev_get_by_index+0x5e/0x80 [ 968.636993][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.636993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.636993][ T72] ip6_route_add+0x1c/0x140 [ 968.636993][ T72] addrconf_prefix_route+0x2a6/0x430 [ 968.636993][ T72] inet6_addr_add+0x4f8/0xa40 [ 968.636993][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.636993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.636993][ T72] netlink_rcv_skb+0x130/0x360 [ 968.636993][ T72] netlink_unicast+0x449/0x710 [ 968.636993][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.636993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.636993][ T72] ___sys_sendmsg+0xee/0x170 [ 968.636993][ T72] __sys_sendmsg+0xcd/0x170 [ 968.636993][ T72] do_syscall_64+0xc6/0x1e0 [ 968.636993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.636993][ T72] [ 968.638983][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 968.638983][ T72] netdev_get_by_index+0x5e/0x80 [ 968.638983][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.638983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.638983][ T72] addrconf_f6i_alloc+0x315/0x560 [ 968.638983][ T72] ipv6_add_addr+0x411/0x2000 [ 968.638983][ T72] inet6_addr_add+0x30e/0xa40 [ 968.638983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.638983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.638983][ T72] netlink_rcv_skb+0x130/0x360 [ 968.638983][ T72] netlink_unicast+0x449/0x710 [ 968.638983][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.638983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.638983][ T72] ___sys_sendmsg+0xee/0x170 [ 968.638983][ T72] __sys_sendmsg+0xcd/0x170 [ 968.638983][ T72] do_syscall_64+0xc6/0x1e0 [ 968.638983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.638983][ T72] [ 968.640972][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 968.640972][ T72] netdev_get_by_index+0x5e/0x80 [ 968.640972][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.640972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.640972][ T72] ip6_route_add+0x1c/0x140 [ 968.640972][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 968.640972][ T72] addrconf_add_dev+0xe2/0x170 [ 968.640972][ T72] inet6_addr_add+0x12f/0xa40 [ 968.640972][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.640972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.640972][ T72] netlink_rcv_skb+0x130/0x360 [ 968.640972][ T72] netlink_unicast+0x449/0x710 [ 968.640972][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.640972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.640972][ T72] ___sys_sendmsg+0xee/0x170 [ 968.640972][ T72] __sys_sendmsg+0xcd/0x170 [ 968.640972][ T72] do_syscall_64+0xc6/0x1e0 [ 968.640972][ T72] [ 968.642928][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 968.642928][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 968.642928][ T72] ipv6_find_idev+0x102/0x170 [ 968.642928][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.642928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.642928][ T72] netlink_rcv_skb+0x130/0x360 [ 968.642928][ T72] netlink_unicast+0x449/0x710 [ 968.642928][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.642928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.642928][ T72] ___sys_sendmsg+0xee/0x170 [ 968.642928][ T72] __sys_sendmsg+0xcd/0x170 [ 968.642928][ T72] do_syscall_64+0xc6/0x1e0 [ 968.642928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.642928][ T72] [ 968.644464][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 968.644464][ T72] neigh_parms_alloc+0x1e5/0x510 [ 968.644464][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 968.644464][ T72] ipv6_find_idev+0x102/0x170 [ 968.644464][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.644464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.644464][ T72] netlink_rcv_skb+0x130/0x360 [ 968.644464][ T72] netlink_unicast+0x449/0x710 [ 968.644464][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.644464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.644464][ T72] ___sys_sendmsg+0xee/0x170 [ 968.644464][ T72] __sys_sendmsg+0xcd/0x170 [ 968.644464][ T72] do_syscall_64+0xc6/0x1e0 [ 968.644464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.644464][ T72] [ 968.646159][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 968.646430][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 968.646430][ T72] dst_init+0x84/0x4a0 [ 968.646430][ T72] dst_alloc+0x97/0x150 [ 968.646430][ T72] ip6_dst_alloc+0x23/0x90 [ 968.646430][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 968.646430][ T72] ip6_pol_route+0x56f/0x840 [ 968.646430][ T72] fib6_rule_lookup+0x456/0x630 [ 968.646430][ T72] ip6_route_input+0x59c/0xa50 [ 968.646430][ T72] ipv6_rcv+0x397/0x810 [ 968.646430][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 968.646430][ T72] process_backlog+0x101/0x620 [ 968.646430][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 968.646430][ T72] net_rx_action+0x495/0xbe0 [ 968.646430][ T72] __do_softirq+0x1b5/0x7f6 [ 968.646430][ T72] [ 968.648057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 968.648057][ T72] netdev_get_by_index+0x5e/0x80 [ 968.648057][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.648057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.648057][ T72] addrconf_f6i_alloc+0x265/0x560 [ 968.648057][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 968.648057][ T72] addrconf_join_anycast+0x1c0/0x220 [ 968.648057][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 968.648057][ T72] addrconf_dad_completed+0x12b/0xe20 [ 968.648057][ T72] addrconf_dad_begin+0x310/0x670 [ 968.648057][ T72] addrconf_dad_work+0x10b/0xab0 [ 968.648057][ T72] process_one_work+0x84d/0x18a0 [ 968.648057][ T72] worker_thread+0x587/0xd30 [ 968.648057][ T72] kthread+0x28a/0x350 [ 968.648057][ T72] ret_from_fork+0x31/0x70 [ 968.648057][ T72] ret_from_fork_asm+0x1a/0x30 [ 968.648057][ T72] [ 968.649957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 968.649957][ T72] netdev_get_by_index+0x5e/0x80 [ 968.649957][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.649957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.649957][ T72] ip6_route_add+0x1c/0x140 [ 968.649957][ T72] addrconf_prefix_route+0x2a6/0x430 [ 968.649957][ T72] inet6_addr_add+0x4f8/0xa40 [ 968.649957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.649957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.649957][ T72] netlink_rcv_skb+0x130/0x360 [ 968.649957][ T72] netlink_unicast+0x449/0x710 [ 968.649957][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.649957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.649957][ T72] ___sys_sendmsg+0xee/0x170 [ 968.649957][ T72] __sys_sendmsg+0xcd/0x170 [ 968.649957][ T72] do_syscall_64+0xc6/0x1e0 [ 968.649957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.649957][ T72] [ 968.651940][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 968.651940][ T72] netdev_get_by_index+0x5e/0x80 [ 968.651940][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.651940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.651940][ T72] addrconf_f6i_alloc+0x315/0x560 [ 968.651940][ T72] ipv6_add_addr+0x411/0x2000 [ 968.651940][ T72] inet6_addr_add+0x30e/0xa40 [ 968.651940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.651940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.651940][ T72] netlink_rcv_skb+0x130/0x360 [ 968.651940][ T72] netlink_unicast+0x449/0x710 [ 968.651940][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.651940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.651940][ T72] ___sys_sendmsg+0xee/0x170 [ 968.651940][ T72] __sys_sendmsg+0xcd/0x170 [ 968.651940][ T72] do_syscall_64+0xc6/0x1e0 [ 968.651940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.651940][ T72] [ 968.653935][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 968.653935][ T72] netdev_get_by_index+0x5e/0x80 [ 968.653935][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.653935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.653935][ T72] ip6_route_add+0x1c/0x140 [ 968.653935][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 968.653935][ T72] addrconf_add_dev+0xe2/0x170 [ 968.653935][ T72] inet6_addr_add+0x12f/0xa40 [ 968.653935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.653935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.653935][ T72] netlink_rcv_skb+0x130/0x360 [ 968.653935][ T72] netlink_unicast+0x449/0x710 [ 968.653935][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.653935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.653935][ T72] ___sys_sendmsg+0xee/0x170 [ 968.653935][ T72] __sys_sendmsg+0xcd/0x170 [ 968.653935][ T72] do_syscall_64+0xc6/0x1e0 [ 968.653935][ T72] [ 968.655882][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 968.655882][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 968.655882][ T72] ipv6_find_idev+0x102/0x170 [ 968.655882][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.655882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.655882][ T72] netlink_rcv_skb+0x130/0x360 [ 968.655882][ T72] netlink_unicast+0x449/0x710 [ 968.655882][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.655882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.655882][ T72] ___sys_sendmsg+0xee/0x170 [ 968.655882][ T72] __sys_sendmsg+0xcd/0x170 [ 968.655882][ T72] do_syscall_64+0xc6/0x1e0 [ 968.655882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.655882][ T72] [ 968.657785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 968.657785][ T72] neigh_parms_alloc+0x1e5/0x510 [ 968.657785][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 968.657785][ T72] ipv6_find_idev+0x102/0x170 [ 968.657785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.657785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.657785][ T72] netlink_rcv_skb+0x130/0x360 [ 968.657785][ T72] netlink_unicast+0x449/0x710 [ 968.657785][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.657785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.657785][ T72] ___sys_sendmsg+0xee/0x170 [ 968.657785][ T72] __sys_sendmsg+0xcd/0x170 [ 968.657785][ T72] do_syscall_64+0xc6/0x1e0 [ 968.657785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.657785][ T72] [ 968.660104][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 968.660378][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 968.660378][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 968.660378][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 968.660378][ T72] fib6_nh_init+0xa22/0x1580 [ 968.660378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.660378][ T72] ip6_route_add+0x1c/0x140 [ 968.660378][ T72] inet6_rtm_newroute+0x104/0x110 [ 968.660378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.660378][ T72] netlink_rcv_skb+0x130/0x360 [ 968.660378][ T72] netlink_unicast+0x449/0x710 [ 968.660378][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.660378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.660378][ T72] ___sys_sendmsg+0xee/0x170 [ 968.660378][ T72] __sys_sendmsg+0xcd/0x170 [ 968.660378][ T72] do_syscall_64+0xc6/0x1e0 [ 968.660378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.660378][ T72] [ 968.662480][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 968.662480][ T72] dst_init+0x84/0x4a0 [ 968.662480][ T72] dst_alloc+0x97/0x150 [ 968.662480][ T72] ip6_dst_alloc+0x23/0x90 [ 968.662480][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 968.662480][ T72] ip6_pol_route+0x56f/0x840 [ 968.662480][ T72] fib6_rule_lookup+0x456/0x630 [ 968.662480][ T72] ip6_route_input+0x59c/0xa50 [ 968.662480][ T72] ipv6_rcv+0x397/0x810 [ 968.662480][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 968.662480][ T72] process_backlog+0x101/0x620 [ 968.662480][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 968.662480][ T72] net_rx_action+0x495/0xbe0 [ 968.662480][ T72] __do_softirq+0x1b5/0x7f6 [ 968.662480][ T72] [ 968.664282][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 968.664282][ T72] netdev_get_by_index+0x5e/0x80 [ 968.664282][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.664282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.664282][ T72] ip6_route_add+0x1c/0x140 [ 968.664282][ T72] addrconf_prefix_route+0x2a6/0x430 [ 968.664282][ T72] inet6_addr_add+0x4f8/0xa40 [ 968.664282][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.664282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.664282][ T72] netlink_rcv_skb+0x130/0x360 [ 968.664282][ T72] netlink_unicast+0x449/0x710 [ 968.664282][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.664282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.664282][ T72] ___sys_sendmsg+0xee/0x170 [ 968.664282][ T72] __sys_sendmsg+0xcd/0x170 [ 968.664282][ T72] do_syscall_64+0xc6/0x1e0 [ 968.664282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.664282][ T72] [ 968.666503][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 968.666503][ T72] netdev_get_by_index+0x5e/0x80 [ 968.666503][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.666503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.666503][ T72] addrconf_f6i_alloc+0x315/0x560 [ 968.666503][ T72] ipv6_add_addr+0x411/0x2000 [ 968.666503][ T72] inet6_addr_add+0x30e/0xa40 [ 968.666503][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.666503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.666503][ T72] netlink_rcv_skb+0x130/0x360 [ 968.666503][ T72] netlink_unicast+0x449/0x710 [ 968.666503][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.666503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.666503][ T72] ___sys_sendmsg+0xee/0x170 [ 968.666503][ T72] __sys_sendmsg+0xcd/0x170 [ 968.666503][ T72] do_syscall_64+0xc6/0x1e0 [ 968.666503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.666503][ T72] [ 968.668669][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 968.668669][ T72] netdev_get_by_index+0x5e/0x80 [ 968.668669][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.668669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.668669][ T72] ip6_route_add+0x1c/0x140 [ 968.668669][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 968.668669][ T72] addrconf_add_dev+0xe2/0x170 [ 968.668669][ T72] inet6_addr_add+0x12f/0xa40 [ 968.668669][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.668669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.668669][ T72] netlink_rcv_skb+0x130/0x360 [ 968.668669][ T72] netlink_unicast+0x449/0x710 [ 968.668669][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.668669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.668669][ T72] ___sys_sendmsg+0xee/0x170 [ 968.668669][ T72] __sys_sendmsg+0xcd/0x170 [ 968.668669][ T72] do_syscall_64+0xc6/0x1e0 [ 968.668669][ T72] [ 968.670857][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 968.670857][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 968.670857][ T72] ipv6_find_idev+0x102/0x170 [ 968.670857][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.670857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.670857][ T72] netlink_rcv_skb+0x130/0x360 [ 968.670857][ T72] netlink_unicast+0x449/0x710 [ 968.670857][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.670857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.670857][ T72] ___sys_sendmsg+0xee/0x170 [ 968.670857][ T72] __sys_sendmsg+0xcd/0x170 [ 968.670857][ T72] do_syscall_64+0xc6/0x1e0 [ 968.670857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.670857][ T72] [ 968.672563][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 968.672563][ T72] neigh_parms_alloc+0x1e5/0x510 [ 968.672563][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 968.672563][ T72] ipv6_find_idev+0x102/0x170 [ 968.672563][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.672563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.672563][ T72] netlink_rcv_skb+0x130/0x360 [ 968.672563][ T72] netlink_unicast+0x449/0x710 [ 968.672563][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.672563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.672563][ T72] ___sys_sendmsg+0xee/0x170 [ 968.672563][ T72] __sys_sendmsg+0xcd/0x170 [ 968.672563][ T72] do_syscall_64+0xc6/0x1e0 [ 968.672563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.672563][ T72] [ 968.674418][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 968.674811][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 968.674811][ T72] netdev_get_by_index+0x5e/0x80 [ 968.674811][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.674811][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.674811][ T72] addrconf_f6i_alloc+0x265/0x560 [ 968.674811][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 968.674811][ T72] addrconf_join_anycast+0x1c0/0x220 [ 968.674811][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 968.674811][ T72] addrconf_dad_completed+0x12b/0xe20 [ 968.674811][ T72] addrconf_dad_begin+0x310/0x670 [ 968.674811][ T72] addrconf_dad_work+0x10b/0xab0 [ 968.674811][ T72] process_one_work+0x84d/0x18a0 [ 968.674811][ T72] worker_thread+0x587/0xd30 [ 968.674811][ T72] kthread+0x28a/0x350 [ 968.674811][ T72] ret_from_fork+0x31/0x70 [ 968.674811][ T72] ret_from_fork_asm+0x1a/0x30 [ 968.674811][ T72] [ 968.676886][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 968.676886][ T72] netdev_get_by_index+0x5e/0x80 [ 968.676886][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.676886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.676886][ T72] ip6_route_add+0x1c/0x140 [ 968.676886][ T72] addrconf_prefix_route+0x2a6/0x430 [ 968.676886][ T72] inet6_addr_add+0x4f8/0xa40 [ 968.676886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.676886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.676886][ T72] netlink_rcv_skb+0x130/0x360 [ 968.676886][ T72] netlink_unicast+0x449/0x710 [ 968.676886][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.676886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.676886][ T72] ___sys_sendmsg+0xee/0x170 [ 968.676886][ T72] __sys_sendmsg+0xcd/0x170 [ 968.676886][ T72] do_syscall_64+0xc6/0x1e0 [ 968.676886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.676886][ T72] [ 968.679113][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 968.679113][ T72] netdev_get_by_index+0x5e/0x80 [ 968.679113][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.679113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.679113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 968.679113][ T72] ipv6_add_addr+0x411/0x2000 [ 968.679113][ T72] inet6_addr_add+0x30e/0xa40 [ 968.679113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.679113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.679113][ T72] netlink_rcv_skb+0x130/0x360 [ 968.679113][ T72] netlink_unicast+0x449/0x710 [ 968.679113][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.679113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.679113][ T72] ___sys_sendmsg+0xee/0x170 [ 968.679113][ T72] __sys_sendmsg+0xcd/0x170 [ 968.679113][ T72] do_syscall_64+0xc6/0x1e0 [ 968.679113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.679113][ T72] [ 968.681330][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 968.681330][ T72] netdev_get_by_index+0x5e/0x80 [ 968.681330][ T72] fib6_nh_init+0x3d8/0x1580 [ 968.681330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 968.681330][ T72] ip6_route_add+0x1c/0x140 [ 968.681330][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 968.681330][ T72] addrconf_add_dev+0xe2/0x170 [ 968.681330][ T72] inet6_addr_add+0x12f/0xa40 [ 968.681330][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 968.681330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.681330][ T72] netlink_rcv_skb+0x130/0x360 [ 968.681330][ T72] netlink_unicast+0x449/0x710 [ 968.681330][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.681330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.681330][ T72] ___sys_sendmsg+0xee/0x170 [ 968.681330][ T72] __sys_sendmsg+0xcd/0x170 [ 968.681330][ T72] do_syscall_64+0xc6/0x1e0 [ 968.681330][ T72] [ 968.683931][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 968.683931][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 968.683931][ T72] ipv6_find_idev+0x102/0x170 [ 968.683931][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.683931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.683931][ T72] netlink_rcv_skb+0x130/0x360 [ 968.683931][ T72] netlink_unicast+0x449/0x710 [ 968.683931][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.683931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.683931][ T72] ___sys_sendmsg+0xee/0x170 [ 968.683931][ T72] __sys_sendmsg+0xcd/0x170 [ 968.683931][ T72] do_syscall_64+0xc6/0x1e0 [ 968.683931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.683931][ T72] [ 968.685701][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 968.685701][ T72] neigh_parms_alloc+0x1e5/0x510 [ 968.685701][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 968.685701][ T72] ipv6_find_idev+0x102/0x170 [ 968.685701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.685701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.685701][ T72] netlink_rcv_skb+0x130/0x360 [ 968.685701][ T72] netlink_unicast+0x449/0x710 [ 968.685701][ T72] netlink_sendmsg+0x723/0xbe0 [ 968.685701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 968.685701][ T72] ___sys_sendmsg+0xee/0x170 [ 968.685701][ T72] __sys_sendmsg+0xcd/0x170 [ 968.685701][ T72] do_syscall_64+0xc6/0x1e0 [ 968.685701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.685701][ T72] [ 978.736950][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 978.737438][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 978.737438][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 978.737438][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 978.737438][ T72] fib6_nh_init+0xa22/0x1580 [ 978.737438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.737438][ T72] ip6_route_add+0x1c/0x140 [ 978.737438][ T72] inet6_rtm_newroute+0x104/0x110 [ 978.737438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.737438][ T72] netlink_rcv_skb+0x130/0x360 [ 978.737438][ T72] netlink_unicast+0x449/0x710 [ 978.737438][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.737438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.737438][ T72] ___sys_sendmsg+0xee/0x170 [ 978.737438][ T72] __sys_sendmsg+0xcd/0x170 [ 978.737438][ T72] do_syscall_64+0xc6/0x1e0 [ 978.737438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.737438][ T72] [ 978.739331][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 978.739331][ T72] dst_init+0x84/0x4a0 [ 978.739331][ T72] dst_alloc+0x97/0x150 [ 978.739331][ T72] ip6_dst_alloc+0x23/0x90 [ 978.739331][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 978.739331][ T72] ip6_pol_route+0x56f/0x840 [ 978.739331][ T72] fib6_rule_lookup+0x456/0x630 [ 978.739331][ T72] ip6_route_input+0x59c/0xa50 [ 978.739331][ T72] ipv6_rcv+0x397/0x810 [ 978.739331][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 978.739331][ T72] process_backlog+0x101/0x620 [ 978.739331][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 978.739331][ T72] net_rx_action+0x495/0xbe0 [ 978.739331][ T72] __do_softirq+0x1b5/0x7f6 [ 978.739331][ T72] [ 978.740958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 978.740958][ T72] netdev_get_by_index+0x5e/0x80 [ 978.740958][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.740958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.740958][ T72] ip6_route_add+0x1c/0x140 [ 978.740958][ T72] addrconf_prefix_route+0x2a6/0x430 [ 978.740958][ T72] inet6_addr_add+0x4f8/0xa40 [ 978.740958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.740958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.740958][ T72] netlink_rcv_skb+0x130/0x360 [ 978.740958][ T72] netlink_unicast+0x449/0x710 [ 978.740958][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.740958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.740958][ T72] ___sys_sendmsg+0xee/0x170 [ 978.740958][ T72] __sys_sendmsg+0xcd/0x170 [ 978.740958][ T72] do_syscall_64+0xc6/0x1e0 [ 978.740958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.740958][ T72] [ 978.742943][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 978.742943][ T72] netdev_get_by_index+0x5e/0x80 [ 978.742943][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.742943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.742943][ T72] addrconf_f6i_alloc+0x315/0x560 [ 978.742943][ T72] ipv6_add_addr+0x411/0x2000 [ 978.742943][ T72] inet6_addr_add+0x30e/0xa40 [ 978.742943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.742943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.742943][ T72] netlink_rcv_skb+0x130/0x360 [ 978.742943][ T72] netlink_unicast+0x449/0x710 [ 978.742943][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.742943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.742943][ T72] ___sys_sendmsg+0xee/0x170 [ 978.742943][ T72] __sys_sendmsg+0xcd/0x170 [ 978.742943][ T72] do_syscall_64+0xc6/0x1e0 [ 978.742943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.742943][ T72] [ 978.744933][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 978.744933][ T72] netdev_get_by_index+0x5e/0x80 [ 978.744933][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.744933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.744933][ T72] ip6_route_add+0x1c/0x140 [ 978.744933][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 978.744933][ T72] addrconf_add_dev+0xe2/0x170 [ 978.744933][ T72] inet6_addr_add+0x12f/0xa40 [ 978.744933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.744933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.744933][ T72] netlink_rcv_skb+0x130/0x360 [ 978.744933][ T72] netlink_unicast+0x449/0x710 [ 978.744933][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.744933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.744933][ T72] ___sys_sendmsg+0xee/0x170 [ 978.744933][ T72] __sys_sendmsg+0xcd/0x170 [ 978.744933][ T72] do_syscall_64+0xc6/0x1e0 [ 978.744933][ T72] [ 978.746877][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 978.746877][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 978.746877][ T72] ipv6_find_idev+0x102/0x170 [ 978.746877][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.746877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.746877][ T72] netlink_rcv_skb+0x130/0x360 [ 978.746877][ T72] netlink_unicast+0x449/0x710 [ 978.746877][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.746877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.746877][ T72] ___sys_sendmsg+0xee/0x170 [ 978.746877][ T72] __sys_sendmsg+0xcd/0x170 [ 978.746877][ T72] do_syscall_64+0xc6/0x1e0 [ 978.746877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.746877][ T72] [ 978.748400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 978.748400][ T72] neigh_parms_alloc+0x1e5/0x510 [ 978.748400][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 978.748400][ T72] ipv6_find_idev+0x102/0x170 [ 978.748400][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.748400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.748400][ T72] netlink_rcv_skb+0x130/0x360 [ 978.748400][ T72] netlink_unicast+0x449/0x710 [ 978.748400][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.748400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.748400][ T72] ___sys_sendmsg+0xee/0x170 [ 978.748400][ T72] __sys_sendmsg+0xcd/0x170 [ 978.748400][ T72] do_syscall_64+0xc6/0x1e0 [ 978.748400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.748400][ T72] [ 978.750078][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 978.750350][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 978.750350][ T72] dst_init+0x84/0x4a0 [ 978.750350][ T72] dst_alloc+0x97/0x150 [ 978.750350][ T72] ip6_dst_alloc+0x23/0x90 [ 978.750350][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 978.750350][ T72] ip6_pol_route+0x56f/0x840 [ 978.750350][ T72] fib6_rule_lookup+0x456/0x630 [ 978.750350][ T72] ip6_route_input+0x59c/0xa50 [ 978.750350][ T72] ipv6_rcv+0x397/0x810 [ 978.750350][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 978.750350][ T72] process_backlog+0x101/0x620 [ 978.750350][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 978.750350][ T72] net_rx_action+0x495/0xbe0 [ 978.750350][ T72] __do_softirq+0x1b5/0x7f6 [ 978.750350][ T72] [ 978.751974][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 978.751974][ T72] netdev_get_by_index+0x5e/0x80 [ 978.751974][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.751974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.751974][ T72] addrconf_f6i_alloc+0x265/0x560 [ 978.751974][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 978.751974][ T72] addrconf_join_anycast+0x1c0/0x220 [ 978.751974][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 978.751974][ T72] addrconf_dad_completed+0x12b/0xe20 [ 978.751974][ T72] addrconf_dad_begin+0x310/0x670 [ 978.751974][ T72] addrconf_dad_work+0x10b/0xab0 [ 978.751974][ T72] process_one_work+0x84d/0x18a0 [ 978.751974][ T72] worker_thread+0x587/0xd30 [ 978.751974][ T72] kthread+0x28a/0x350 [ 978.751974][ T72] ret_from_fork+0x31/0x70 [ 978.751974][ T72] ret_from_fork_asm+0x1a/0x30 [ 978.751974][ T72] [ 978.753866][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 978.753866][ T72] netdev_get_by_index+0x5e/0x80 [ 978.753866][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.753866][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.753866][ T72] ip6_route_add+0x1c/0x140 [ 978.753866][ T72] addrconf_prefix_route+0x2a6/0x430 [ 978.753866][ T72] inet6_addr_add+0x4f8/0xa40 [ 978.753866][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.753866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.753866][ T72] netlink_rcv_skb+0x130/0x360 [ 978.753866][ T72] netlink_unicast+0x449/0x710 [ 978.753866][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.753866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.753866][ T72] ___sys_sendmsg+0xee/0x170 [ 978.753866][ T72] __sys_sendmsg+0xcd/0x170 [ 978.753866][ T72] do_syscall_64+0xc6/0x1e0 [ 978.753866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.753866][ T72] [ 978.755845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 978.755845][ T72] netdev_get_by_index+0x5e/0x80 [ 978.755845][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.755845][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.755845][ T72] addrconf_f6i_alloc+0x315/0x560 [ 978.755845][ T72] ipv6_add_addr+0x411/0x2000 [ 978.755845][ T72] inet6_addr_add+0x30e/0xa40 [ 978.755845][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.755845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.755845][ T72] netlink_rcv_skb+0x130/0x360 [ 978.755845][ T72] netlink_unicast+0x449/0x710 [ 978.755845][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.755845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.755845][ T72] ___sys_sendmsg+0xee/0x170 [ 978.755845][ T72] __sys_sendmsg+0xcd/0x170 [ 978.755845][ T72] do_syscall_64+0xc6/0x1e0 [ 978.755845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.755845][ T72] [ 978.757846][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 978.757846][ T72] netdev_get_by_index+0x5e/0x80 [ 978.757846][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.757846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.757846][ T72] ip6_route_add+0x1c/0x140 [ 978.757846][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 978.757846][ T72] addrconf_add_dev+0xe2/0x170 [ 978.757846][ T72] inet6_addr_add+0x12f/0xa40 [ 978.757846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.757846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.757846][ T72] netlink_rcv_skb+0x130/0x360 [ 978.757846][ T72] netlink_unicast+0x449/0x710 [ 978.757846][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.757846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.757846][ T72] ___sys_sendmsg+0xee/0x170 [ 978.757846][ T72] __sys_sendmsg+0xcd/0x170 [ 978.757846][ T72] do_syscall_64+0xc6/0x1e0 [ 978.757846][ T72] [ 978.759788][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 978.759788][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 978.759788][ T72] ipv6_find_idev+0x102/0x170 [ 978.759788][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.759788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.759788][ T72] netlink_rcv_skb+0x130/0x360 [ 978.759788][ T72] netlink_unicast+0x449/0x710 [ 978.759788][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.759788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.759788][ T72] ___sys_sendmsg+0xee/0x170 [ 978.759788][ T72] __sys_sendmsg+0xcd/0x170 [ 978.759788][ T72] do_syscall_64+0xc6/0x1e0 [ 978.759788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.759788][ T72] [ 978.761681][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 978.761681][ T72] neigh_parms_alloc+0x1e5/0x510 [ 978.761681][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 978.761681][ T72] ipv6_find_idev+0x102/0x170 [ 978.761681][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.761681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.761681][ T72] netlink_rcv_skb+0x130/0x360 [ 978.761681][ T72] netlink_unicast+0x449/0x710 [ 978.761681][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.761681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.761681][ T72] ___sys_sendmsg+0xee/0x170 [ 978.761681][ T72] __sys_sendmsg+0xcd/0x170 [ 978.761681][ T72] do_syscall_64+0xc6/0x1e0 [ 978.761681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.761681][ T72] [ 978.763472][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 978.763749][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 978.763749][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 978.763749][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 978.763749][ T72] fib6_nh_init+0xa22/0x1580 [ 978.763749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.763749][ T72] ip6_route_add+0x1c/0x140 [ 978.763749][ T72] inet6_rtm_newroute+0x104/0x110 [ 978.763749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.763749][ T72] netlink_rcv_skb+0x130/0x360 [ 978.763749][ T72] netlink_unicast+0x449/0x710 [ 978.763749][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.763749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.763749][ T72] ___sys_sendmsg+0xee/0x170 [ 978.763749][ T72] __sys_sendmsg+0xcd/0x170 [ 978.763749][ T72] do_syscall_64+0xc6/0x1e0 [ 978.763749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.763749][ T72] [ 978.765910][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 978.765910][ T72] dst_init+0x84/0x4a0 [ 978.765910][ T72] dst_alloc+0x97/0x150 [ 978.765910][ T72] ip6_dst_alloc+0x23/0x90 [ 978.765910][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 978.765910][ T72] ip6_pol_route+0x56f/0x840 [ 978.765910][ T72] fib6_rule_lookup+0x456/0x630 [ 978.765910][ T72] ip6_route_input+0x59c/0xa50 [ 978.765910][ T72] ipv6_rcv+0x397/0x810 [ 978.765910][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 978.765910][ T72] process_backlog+0x101/0x620 [ 978.765910][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 978.765910][ T72] net_rx_action+0x495/0xbe0 [ 978.765910][ T72] __do_softirq+0x1b5/0x7f6 [ 978.765910][ T72] [ 978.767706][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 978.767706][ T72] netdev_get_by_index+0x5e/0x80 [ 978.767706][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.767706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.767706][ T72] ip6_route_add+0x1c/0x140 [ 978.767706][ T72] addrconf_prefix_route+0x2a6/0x430 [ 978.767706][ T72] inet6_addr_add+0x4f8/0xa40 [ 978.767706][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.767706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.767706][ T72] netlink_rcv_skb+0x130/0x360 [ 978.767706][ T72] netlink_unicast+0x449/0x710 [ 978.767706][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.767706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.767706][ T72] ___sys_sendmsg+0xee/0x170 [ 978.767706][ T72] __sys_sendmsg+0xcd/0x170 [ 978.767706][ T72] do_syscall_64+0xc6/0x1e0 [ 978.767706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.767706][ T72] [ 978.769861][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 978.769861][ T72] netdev_get_by_index+0x5e/0x80 [ 978.769861][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.769861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.769861][ T72] addrconf_f6i_alloc+0x315/0x560 [ 978.769861][ T72] ipv6_add_addr+0x411/0x2000 [ 978.769861][ T72] inet6_addr_add+0x30e/0xa40 [ 978.769861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.769861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.769861][ T72] netlink_rcv_skb+0x130/0x360 [ 978.769861][ T72] netlink_unicast+0x449/0x710 [ 978.769861][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.769861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.769861][ T72] ___sys_sendmsg+0xee/0x170 [ 978.769861][ T72] __sys_sendmsg+0xcd/0x170 [ 978.769861][ T72] do_syscall_64+0xc6/0x1e0 [ 978.769861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.769861][ T72] [ 978.772028][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 978.772028][ T72] netdev_get_by_index+0x5e/0x80 [ 978.772028][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.772028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.772028][ T72] ip6_route_add+0x1c/0x140 [ 978.772028][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 978.772028][ T72] addrconf_add_dev+0xe2/0x170 [ 978.772028][ T72] inet6_addr_add+0x12f/0xa40 [ 978.772028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.772028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.772028][ T72] netlink_rcv_skb+0x130/0x360 [ 978.772028][ T72] netlink_unicast+0x449/0x710 [ 978.772028][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.772028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.772028][ T72] ___sys_sendmsg+0xee/0x170 [ 978.772028][ T72] __sys_sendmsg+0xcd/0x170 [ 978.772028][ T72] do_syscall_64+0xc6/0x1e0 [ 978.772028][ T72] [ 978.774288][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 978.774288][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 978.774288][ T72] ipv6_find_idev+0x102/0x170 [ 978.774288][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.774288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.774288][ T72] netlink_rcv_skb+0x130/0x360 [ 978.774288][ T72] netlink_unicast+0x449/0x710 [ 978.774288][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.774288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.774288][ T72] ___sys_sendmsg+0xee/0x170 [ 978.774288][ T72] __sys_sendmsg+0xcd/0x170 [ 978.774288][ T72] do_syscall_64+0xc6/0x1e0 [ 978.774288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.774288][ T72] [ 978.775997][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 978.775997][ T72] neigh_parms_alloc+0x1e5/0x510 [ 978.775997][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 978.775997][ T72] ipv6_find_idev+0x102/0x170 [ 978.775997][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.775997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.775997][ T72] netlink_rcv_skb+0x130/0x360 [ 978.775997][ T72] netlink_unicast+0x449/0x710 [ 978.775997][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.775997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.775997][ T72] ___sys_sendmsg+0xee/0x170 [ 978.775997][ T72] __sys_sendmsg+0xcd/0x170 [ 978.775997][ T72] do_syscall_64+0xc6/0x1e0 [ 978.775997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.775997][ T72] [ 978.777845][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 978.778173][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 978.778173][ T72] netdev_get_by_index+0x5e/0x80 [ 978.778173][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.778173][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.778173][ T72] addrconf_f6i_alloc+0x265/0x560 [ 978.778173][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 978.778173][ T72] addrconf_join_anycast+0x1c0/0x220 [ 978.778173][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 978.778173][ T72] addrconf_dad_completed+0x12b/0xe20 [ 978.778173][ T72] addrconf_dad_begin+0x310/0x670 [ 978.778173][ T72] addrconf_dad_work+0x10b/0xab0 [ 978.778173][ T72] process_one_work+0x84d/0x18a0 [ 978.778173][ T72] worker_thread+0x587/0xd30 [ 978.778173][ T72] kthread+0x28a/0x350 [ 978.778173][ T72] ret_from_fork+0x31/0x70 [ 978.778173][ T72] ret_from_fork_asm+0x1a/0x30 [ 978.778173][ T72] [ 978.780245][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 978.780245][ T72] netdev_get_by_index+0x5e/0x80 [ 978.780245][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.780245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.780245][ T72] ip6_route_add+0x1c/0x140 [ 978.780245][ T72] addrconf_prefix_route+0x2a6/0x430 [ 978.780245][ T72] inet6_addr_add+0x4f8/0xa40 [ 978.780245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.780245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.780245][ T72] netlink_rcv_skb+0x130/0x360 [ 978.780245][ T72] netlink_unicast+0x449/0x710 [ 978.780245][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.780245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.780245][ T72] ___sys_sendmsg+0xee/0x170 [ 978.780245][ T72] __sys_sendmsg+0xcd/0x170 [ 978.780245][ T72] do_syscall_64+0xc6/0x1e0 [ 978.780245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.780245][ T72] [ 978.782463][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 978.782463][ T72] netdev_get_by_index+0x5e/0x80 [ 978.782463][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.782463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.782463][ T72] addrconf_f6i_alloc+0x315/0x560 [ 978.782463][ T72] ipv6_add_addr+0x411/0x2000 [ 978.782463][ T72] inet6_addr_add+0x30e/0xa40 [ 978.782463][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.782463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.782463][ T72] netlink_rcv_skb+0x130/0x360 [ 978.782463][ T72] netlink_unicast+0x449/0x710 [ 978.782463][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.782463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.782463][ T72] ___sys_sendmsg+0xee/0x170 [ 978.782463][ T72] __sys_sendmsg+0xcd/0x170 [ 978.782463][ T72] do_syscall_64+0xc6/0x1e0 [ 978.782463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.782463][ T72] [ 978.784777][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 978.784777][ T72] netdev_get_by_index+0x5e/0x80 [ 978.784777][ T72] fib6_nh_init+0x3d8/0x1580 [ 978.784777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 978.784777][ T72] ip6_route_add+0x1c/0x140 [ 978.784777][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 978.784777][ T72] addrconf_add_dev+0xe2/0x170 [ 978.784777][ T72] inet6_addr_add+0x12f/0xa40 [ 978.784777][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 978.784777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.784777][ T72] netlink_rcv_skb+0x130/0x360 [ 978.784777][ T72] netlink_unicast+0x449/0x710 [ 978.784777][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.784777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.784777][ T72] ___sys_sendmsg+0xee/0x170 [ 978.784777][ T72] __sys_sendmsg+0xcd/0x170 [ 978.784777][ T72] do_syscall_64+0xc6/0x1e0 [ 978.784777][ T72] [ 978.786968][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 978.786968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 978.786968][ T72] ipv6_find_idev+0x102/0x170 [ 978.786968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.786968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.786968][ T72] netlink_rcv_skb+0x130/0x360 [ 978.786968][ T72] netlink_unicast+0x449/0x710 [ 978.786968][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.786968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.786968][ T72] ___sys_sendmsg+0xee/0x170 [ 978.786968][ T72] __sys_sendmsg+0xcd/0x170 [ 978.786968][ T72] do_syscall_64+0xc6/0x1e0 [ 978.786968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.786968][ T72] [ 978.788674][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 978.788674][ T72] neigh_parms_alloc+0x1e5/0x510 [ 978.788674][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 978.788674][ T72] ipv6_find_idev+0x102/0x170 [ 978.788674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.788674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.788674][ T72] netlink_rcv_skb+0x130/0x360 [ 978.788674][ T72] netlink_unicast+0x449/0x710 [ 978.788674][ T72] netlink_sendmsg+0x723/0xbe0 [ 978.788674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 978.788674][ T72] ___sys_sendmsg+0xee/0x170 [ 978.788674][ T72] __sys_sendmsg+0xcd/0x170 [ 978.788674][ T72] do_syscall_64+0xc6/0x1e0 [ 978.788674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.788674][ T72] [ 984.360953][ T42] INFO: task modprobe:885 blocked for more than 860 seconds. [ 984.361361][ T42] Not tainted 6.8.0-virtme #1 [ 984.361484][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.361689][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 984.361988][ T42] Call Trace: [ 984.362099][ T42] [ 984.362180][ T42] __schedule+0x705/0x1ac0 [ 984.362320][ T42] ? __pfx___schedule+0x10/0x10 [ 984.362447][ T42] ? schedule+0x1a5/0x210 [ 984.362547][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.362684][ T42] ? schedule+0x1a5/0x210 [ 984.362785][ T42] schedule+0xdf/0x210 [ 984.362897][ T42] schedule_preempt_disabled+0x15/0x30 [ 984.363035][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 984.363172][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 984.363330][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.363464][ T42] ? lock_acquire+0x1c1/0x220 [ 984.363588][ T42] ? register_pernet_subsys+0x1a/0x50 [ 984.363725][ T42] down_write+0x1c9/0x200 [ 984.363836][ T42] ? __pfx_down_write+0x10/0x10 [ 984.363966][ T42] ? __lock_release+0x103/0x460 [ 984.364092][ T42] ? __create_object+0x5e/0xb0 [ 984.364220][ T42] ? __pfx___lock_release+0x10/0x10 [ 984.364354][ T42] register_pernet_subsys+0x1a/0x50 [ 984.364481][ T42] tcf_register_action+0xa3/0x600 [ 984.364610][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 984.364779][ T42] do_one_initcall+0xc8/0x3f0 [ 984.364922][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 984.365052][ T42] ? __create_object+0x5e/0xb0 [ 984.365181][ T42] ? kasan_unpoison+0x27/0x60 [ 984.365315][ T42] do_init_module+0x233/0x740 [ 984.365453][ T42] load_module+0x16b5/0x2350 [ 984.365593][ T42] ? __pfx_load_module+0x10/0x10 [ 984.365718][ T42] ? kernel_read_file+0x3d2/0x520 [ 984.365872][ T42] ? kernel_read_file+0x300/0x520 [ 984.366009][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 984.366144][ T42] ? init_module_from_file+0xd2/0x130 [ 984.366269][ T42] init_module_from_file+0xd2/0x130 [ 984.366399][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 984.366560][ T42] ? __lock_release+0x103/0x460 [ 984.366686][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.366834][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.366961][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 984.367093][ T42] idempotent_init_module+0x342/0x620 [ 984.367225][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 984.367399][ T42] __x64_sys_finit_module+0xbe/0x130 [ 984.367530][ T42] do_syscall_64+0xc6/0x1e0 [ 984.367663][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 984.367831][ T42] RIP: 0033:0x7f41a8dc5e5d [ 984.367962][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 984.368154][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 984.368342][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 984.368528][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 984.368712][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 984.368911][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 984.369110][ T42] [ 984.369207][ T42] [ 984.369207][ T42] Showing all locks held in the system: [ 984.369389][ T42] 2 locks held by kworker/u20:0/39: [ 984.369513][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.369770][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.370072][ T42] 1 lock held by khungtaskd/42: [ 984.370200][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 984.370432][ T42] 3 locks held by kworker/u16:1/72: [ 984.370552][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.370809][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.371030][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 984.371257][ T42] 1 lock held by modprobe/885: [ 984.371379][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 984.371628][ T42] [ 984.371691][ T42] ============================================= [ 984.371691][ T42] [ 988.864912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 988.865414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 988.865414][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 988.865414][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 988.865414][ T72] fib6_nh_init+0xa22/0x1580 [ 988.865414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.865414][ T72] ip6_route_add+0x1c/0x140 [ 988.865414][ T72] inet6_rtm_newroute+0x104/0x110 [ 988.865414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.865414][ T72] netlink_rcv_skb+0x130/0x360 [ 988.865414][ T72] netlink_unicast+0x449/0x710 [ 988.865414][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.865414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.865414][ T72] ___sys_sendmsg+0xee/0x170 [ 988.865414][ T72] __sys_sendmsg+0xcd/0x170 [ 988.865414][ T72] do_syscall_64+0xc6/0x1e0 [ 988.865414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.865414][ T72] [ 988.867731][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 988.867731][ T72] dst_init+0x84/0x4a0 [ 988.867731][ T72] dst_alloc+0x97/0x150 [ 988.867731][ T72] ip6_dst_alloc+0x23/0x90 [ 988.867731][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 988.867731][ T72] ip6_pol_route+0x56f/0x840 [ 988.867731][ T72] fib6_rule_lookup+0x456/0x630 [ 988.867731][ T72] ip6_route_input+0x59c/0xa50 [ 988.867731][ T72] ipv6_rcv+0x397/0x810 [ 988.867731][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 988.867731][ T72] process_backlog+0x101/0x620 [ 988.867731][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 988.867731][ T72] net_rx_action+0x495/0xbe0 [ 988.867731][ T72] __do_softirq+0x1b5/0x7f6 [ 988.867731][ T72] [ 988.869724][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 988.869724][ T72] netdev_get_by_index+0x5e/0x80 [ 988.869724][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.869724][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.869724][ T72] ip6_route_add+0x1c/0x140 [ 988.869724][ T72] addrconf_prefix_route+0x2a6/0x430 [ 988.869724][ T72] inet6_addr_add+0x4f8/0xa40 [ 988.869724][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.869724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.869724][ T72] netlink_rcv_skb+0x130/0x360 [ 988.869724][ T72] netlink_unicast+0x449/0x710 [ 988.869724][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.869724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.869724][ T72] ___sys_sendmsg+0xee/0x170 [ 988.869724][ T72] __sys_sendmsg+0xcd/0x170 [ 988.869724][ T72] do_syscall_64+0xc6/0x1e0 [ 988.869724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.869724][ T72] [ 988.872165][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 988.872165][ T72] netdev_get_by_index+0x5e/0x80 [ 988.872165][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.872165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.872165][ T72] addrconf_f6i_alloc+0x315/0x560 [ 988.872165][ T72] ipv6_add_addr+0x411/0x2000 [ 988.872165][ T72] inet6_addr_add+0x30e/0xa40 [ 988.872165][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.872165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.872165][ T72] netlink_rcv_skb+0x130/0x360 [ 988.872165][ T72] netlink_unicast+0x449/0x710 [ 988.872165][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.872165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.872165][ T72] ___sys_sendmsg+0xee/0x170 [ 988.872165][ T72] __sys_sendmsg+0xcd/0x170 [ 988.872165][ T72] do_syscall_64+0xc6/0x1e0 [ 988.872165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.872165][ T72] [ 988.874603][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 988.874603][ T72] netdev_get_by_index+0x5e/0x80 [ 988.874603][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.874603][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.874603][ T72] ip6_route_add+0x1c/0x140 [ 988.874603][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 988.874603][ T72] addrconf_add_dev+0xe2/0x170 [ 988.874603][ T72] inet6_addr_add+0x12f/0xa40 [ 988.874603][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.874603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.874603][ T72] netlink_rcv_skb+0x130/0x360 [ 988.874603][ T72] netlink_unicast+0x449/0x710 [ 988.874603][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.874603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.874603][ T72] ___sys_sendmsg+0xee/0x170 [ 988.874603][ T72] __sys_sendmsg+0xcd/0x170 [ 988.874603][ T72] do_syscall_64+0xc6/0x1e0 [ 988.874603][ T72] [ 988.876985][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 988.876985][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 988.876985][ T72] ipv6_find_idev+0x102/0x170 [ 988.876985][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 988.876985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.876985][ T72] netlink_rcv_skb+0x130/0x360 [ 988.876985][ T72] netlink_unicast+0x449/0x710 [ 988.876985][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.876985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.876985][ T72] ___sys_sendmsg+0xee/0x170 [ 988.876985][ T72] __sys_sendmsg+0xcd/0x170 [ 988.876985][ T72] do_syscall_64+0xc6/0x1e0 [ 988.876985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.876985][ T72] [ 988.878855][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 988.878855][ T72] neigh_parms_alloc+0x1e5/0x510 [ 988.878855][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 988.878855][ T72] ipv6_find_idev+0x102/0x170 [ 988.878855][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 988.878855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.878855][ T72] netlink_rcv_skb+0x130/0x360 [ 988.878855][ T72] netlink_unicast+0x449/0x710 [ 988.878855][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.878855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.878855][ T72] ___sys_sendmsg+0xee/0x170 [ 988.878855][ T72] __sys_sendmsg+0xcd/0x170 [ 988.878855][ T72] do_syscall_64+0xc6/0x1e0 [ 988.878855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.878855][ T72] [ 988.880913][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 988.881233][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 988.881233][ T72] dst_init+0x84/0x4a0 [ 988.881233][ T72] dst_alloc+0x97/0x150 [ 988.881233][ T72] ip6_dst_alloc+0x23/0x90 [ 988.881233][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 988.881233][ T72] ip6_pol_route+0x56f/0x840 [ 988.881233][ T72] fib6_rule_lookup+0x456/0x630 [ 988.881233][ T72] ip6_route_input+0x59c/0xa50 [ 988.881233][ T72] ipv6_rcv+0x397/0x810 [ 988.881233][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 988.881233][ T72] process_backlog+0x101/0x620 [ 988.881233][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 988.881233][ T72] net_rx_action+0x495/0xbe0 [ 988.881233][ T72] __do_softirq+0x1b5/0x7f6 [ 988.881233][ T72] [ 988.883242][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 988.883242][ T72] netdev_get_by_index+0x5e/0x80 [ 988.883242][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.883242][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.883242][ T72] addrconf_f6i_alloc+0x265/0x560 [ 988.883242][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 988.883242][ T72] addrconf_join_anycast+0x1c0/0x220 [ 988.883242][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 988.883242][ T72] addrconf_dad_completed+0x12b/0xe20 [ 988.883242][ T72] addrconf_dad_begin+0x310/0x670 [ 988.883242][ T72] addrconf_dad_work+0x10b/0xab0 [ 988.883242][ T72] process_one_work+0x84d/0x18a0 [ 988.883242][ T72] worker_thread+0x587/0xd30 [ 988.883242][ T72] kthread+0x28a/0x350 [ 988.883242][ T72] ret_from_fork+0x31/0x70 [ 988.883242][ T72] ret_from_fork_asm+0x1a/0x30 [ 988.883242][ T72] [ 988.885562][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 988.885562][ T72] netdev_get_by_index+0x5e/0x80 [ 988.885562][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.885562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.885562][ T72] ip6_route_add+0x1c/0x140 [ 988.885562][ T72] addrconf_prefix_route+0x2a6/0x430 [ 988.885562][ T72] inet6_addr_add+0x4f8/0xa40 [ 988.885562][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.885562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.885562][ T72] netlink_rcv_skb+0x130/0x360 [ 988.885562][ T72] netlink_unicast+0x449/0x710 [ 988.885562][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.885562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.885562][ T72] ___sys_sendmsg+0xee/0x170 [ 988.885562][ T72] __sys_sendmsg+0xcd/0x170 [ 988.885562][ T72] do_syscall_64+0xc6/0x1e0 [ 988.885562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.885562][ T72] [ 988.887996][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 988.887996][ T72] netdev_get_by_index+0x5e/0x80 [ 988.887996][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.887996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.887996][ T72] addrconf_f6i_alloc+0x315/0x560 [ 988.887996][ T72] ipv6_add_addr+0x411/0x2000 [ 988.887996][ T72] inet6_addr_add+0x30e/0xa40 [ 988.887996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.887996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.887996][ T72] netlink_rcv_skb+0x130/0x360 [ 988.887996][ T72] netlink_unicast+0x449/0x710 [ 988.887996][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.887996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.887996][ T72] ___sys_sendmsg+0xee/0x170 [ 988.887996][ T72] __sys_sendmsg+0xcd/0x170 [ 988.887996][ T72] do_syscall_64+0xc6/0x1e0 [ 988.887996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.887996][ T72] [ 988.890425][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 988.890425][ T72] netdev_get_by_index+0x5e/0x80 [ 988.890425][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.890425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.890425][ T72] ip6_route_add+0x1c/0x140 [ 988.890425][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 988.890425][ T72] addrconf_add_dev+0xe2/0x170 [ 988.890425][ T72] inet6_addr_add+0x12f/0xa40 [ 988.890425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.890425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.890425][ T72] netlink_rcv_skb+0x130/0x360 [ 988.890425][ T72] netlink_unicast+0x449/0x710 [ 988.890425][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.890425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.890425][ T72] ___sys_sendmsg+0xee/0x170 [ 988.890425][ T72] __sys_sendmsg+0xcd/0x170 [ 988.890425][ T72] do_syscall_64+0xc6/0x1e0 [ 988.890425][ T72] [ 988.892823][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 988.892823][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 988.892823][ T72] ipv6_find_idev+0x102/0x170 [ 988.892823][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 988.892823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.892823][ T72] netlink_rcv_skb+0x130/0x360 [ 988.892823][ T72] netlink_unicast+0x449/0x710 [ 988.892823][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.892823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.892823][ T72] ___sys_sendmsg+0xee/0x170 [ 988.892823][ T72] __sys_sendmsg+0xcd/0x170 [ 988.892823][ T72] do_syscall_64+0xc6/0x1e0 [ 988.892823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.892823][ T72] [ 988.894707][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 988.894707][ T72] neigh_parms_alloc+0x1e5/0x510 [ 988.894707][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 988.894707][ T72] ipv6_find_idev+0x102/0x170 [ 988.894707][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 988.894707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.894707][ T72] netlink_rcv_skb+0x130/0x360 [ 988.894707][ T72] netlink_unicast+0x449/0x710 [ 988.894707][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.894707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.894707][ T72] ___sys_sendmsg+0xee/0x170 [ 988.894707][ T72] __sys_sendmsg+0xcd/0x170 [ 988.894707][ T72] do_syscall_64+0xc6/0x1e0 [ 988.894707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.894707][ T72] [ 988.896814][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 988.897188][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 988.897188][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 988.897188][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 988.897188][ T72] fib6_nh_init+0xa22/0x1580 [ 988.897188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.897188][ T72] ip6_route_add+0x1c/0x140 [ 988.897188][ T72] inet6_rtm_newroute+0x104/0x110 [ 988.897188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.897188][ T72] netlink_rcv_skb+0x130/0x360 [ 988.897188][ T72] netlink_unicast+0x449/0x710 [ 988.897188][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.897188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.897188][ T72] ___sys_sendmsg+0xee/0x170 [ 988.897188][ T72] __sys_sendmsg+0xcd/0x170 [ 988.897188][ T72] do_syscall_64+0xc6/0x1e0 [ 988.897188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.897188][ T72] [ 988.899723][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 988.899723][ T72] dst_init+0x84/0x4a0 [ 988.899723][ T72] dst_alloc+0x97/0x150 [ 988.899723][ T72] ip6_dst_alloc+0x23/0x90 [ 988.899723][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 988.899723][ T72] ip6_pol_route+0x56f/0x840 [ 988.899723][ T72] fib6_rule_lookup+0x456/0x630 [ 988.899723][ T72] ip6_route_input+0x59c/0xa50 [ 988.899723][ T72] ipv6_rcv+0x397/0x810 [ 988.899723][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 988.899723][ T72] process_backlog+0x101/0x620 [ 988.899723][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 988.899723][ T72] net_rx_action+0x495/0xbe0 [ 988.899723][ T72] __do_softirq+0x1b5/0x7f6 [ 988.899723][ T72] [ 988.901908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 988.901908][ T72] netdev_get_by_index+0x5e/0x80 [ 988.901908][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.901908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.901908][ T72] ip6_route_add+0x1c/0x140 [ 988.901908][ T72] addrconf_prefix_route+0x2a6/0x430 [ 988.901908][ T72] inet6_addr_add+0x4f8/0xa40 [ 988.901908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.901908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.901908][ T72] netlink_rcv_skb+0x130/0x360 [ 988.901908][ T72] netlink_unicast+0x449/0x710 [ 988.901908][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.901908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.901908][ T72] ___sys_sendmsg+0xee/0x170 [ 988.901908][ T72] __sys_sendmsg+0xcd/0x170 [ 988.901908][ T72] do_syscall_64+0xc6/0x1e0 [ 988.901908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.901908][ T72] [ 988.904531][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 988.904531][ T72] netdev_get_by_index+0x5e/0x80 [ 988.904531][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.904531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.904531][ T72] addrconf_f6i_alloc+0x315/0x560 [ 988.904531][ T72] ipv6_add_addr+0x411/0x2000 [ 988.904531][ T72] inet6_addr_add+0x30e/0xa40 [ 988.904531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.904531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.904531][ T72] netlink_rcv_skb+0x130/0x360 [ 988.904531][ T72] netlink_unicast+0x449/0x710 [ 988.904531][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.904531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.904531][ T72] ___sys_sendmsg+0xee/0x170 [ 988.904531][ T72] __sys_sendmsg+0xcd/0x170 [ 988.904531][ T72] do_syscall_64+0xc6/0x1e0 [ 988.904531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.904531][ T72] [ 988.907210][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 988.907210][ T72] netdev_get_by_index+0x5e/0x80 [ 988.907210][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.907210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.907210][ T72] ip6_route_add+0x1c/0x140 [ 988.907210][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 988.907210][ T72] addrconf_add_dev+0xe2/0x170 [ 988.907210][ T72] inet6_addr_add+0x12f/0xa40 [ 988.907210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.907210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.907210][ T72] netlink_rcv_skb+0x130/0x360 [ 988.907210][ T72] netlink_unicast+0x449/0x710 [ 988.907210][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.907210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.907210][ T72] ___sys_sendmsg+0xee/0x170 [ 988.907210][ T72] __sys_sendmsg+0xcd/0x170 [ 988.907210][ T72] do_syscall_64+0xc6/0x1e0 [ 988.907210][ T72] [ 988.909843][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 988.909843][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 988.909843][ T72] ipv6_find_idev+0x102/0x170 [ 988.909843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 988.909843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.909843][ T72] netlink_rcv_skb+0x130/0x360 [ 988.909843][ T72] netlink_unicast+0x449/0x710 [ 988.909843][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.909843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.909843][ T72] ___sys_sendmsg+0xee/0x170 [ 988.909843][ T72] __sys_sendmsg+0xcd/0x170 [ 988.909843][ T72] do_syscall_64+0xc6/0x1e0 [ 988.909843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.909843][ T72] [ 988.911908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 988.911908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 988.911908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 988.911908][ T72] ipv6_find_idev+0x102/0x170 [ 988.911908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 988.911908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.911908][ T72] netlink_rcv_skb+0x130/0x360 [ 988.911908][ T72] netlink_unicast+0x449/0x710 [ 988.911908][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.911908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.911908][ T72] ___sys_sendmsg+0xee/0x170 [ 988.911908][ T72] __sys_sendmsg+0xcd/0x170 [ 988.911908][ T72] do_syscall_64+0xc6/0x1e0 [ 988.911908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.911908][ T72] [ 988.914150][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 988.914535][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 988.914535][ T72] netdev_get_by_index+0x5e/0x80 [ 988.914535][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.914535][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.914535][ T72] addrconf_f6i_alloc+0x265/0x560 [ 988.914535][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 988.914535][ T72] addrconf_join_anycast+0x1c0/0x220 [ 988.914535][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 988.914535][ T72] addrconf_dad_completed+0x12b/0xe20 [ 988.914535][ T72] addrconf_dad_begin+0x310/0x670 [ 988.914535][ T72] addrconf_dad_work+0x10b/0xab0 [ 988.914535][ T72] process_one_work+0x84d/0x18a0 [ 988.914535][ T72] worker_thread+0x587/0xd30 [ 988.914535][ T72] kthread+0x28a/0x350 [ 988.914535][ T72] ret_from_fork+0x31/0x70 [ 988.914535][ T72] ret_from_fork_asm+0x1a/0x30 [ 988.914535][ T72] [ 988.917581][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 988.917581][ T72] netdev_get_by_index+0x5e/0x80 [ 988.917581][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.917581][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.917581][ T72] ip6_route_add+0x1c/0x140 [ 988.917581][ T72] addrconf_prefix_route+0x2a6/0x430 [ 988.917581][ T72] inet6_addr_add+0x4f8/0xa40 [ 988.917581][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.917581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.917581][ T72] netlink_rcv_skb+0x130/0x360 [ 988.917581][ T72] netlink_unicast+0x449/0x710 [ 988.917581][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.917581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.917581][ T72] ___sys_sendmsg+0xee/0x170 [ 988.917581][ T72] __sys_sendmsg+0xcd/0x170 [ 988.917581][ T72] do_syscall_64+0xc6/0x1e0 [ 988.917581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.917581][ T72] [ 988.920185][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 988.920185][ T72] netdev_get_by_index+0x5e/0x80 [ 988.920185][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.920185][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.920185][ T72] addrconf_f6i_alloc+0x315/0x560 [ 988.920185][ T72] ipv6_add_addr+0x411/0x2000 [ 988.920185][ T72] inet6_addr_add+0x30e/0xa40 [ 988.920185][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.920185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.920185][ T72] netlink_rcv_skb+0x130/0x360 [ 988.920185][ T72] netlink_unicast+0x449/0x710 [ 988.920185][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.920185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.920185][ T72] ___sys_sendmsg+0xee/0x170 [ 988.920185][ T72] __sys_sendmsg+0xcd/0x170 [ 988.920185][ T72] do_syscall_64+0xc6/0x1e0 [ 988.920185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.920185][ T72] [ 988.922924][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 988.922924][ T72] netdev_get_by_index+0x5e/0x80 [ 988.922924][ T72] fib6_nh_init+0x3d8/0x1580 [ 988.922924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 988.922924][ T72] ip6_route_add+0x1c/0x140 [ 988.922924][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 988.922924][ T72] addrconf_add_dev+0xe2/0x170 [ 988.922924][ T72] inet6_addr_add+0x12f/0xa40 [ 988.922924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 988.922924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.922924][ T72] netlink_rcv_skb+0x130/0x360 [ 988.922924][ T72] netlink_unicast+0x449/0x710 [ 988.922924][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.922924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.922924][ T72] ___sys_sendmsg+0xee/0x170 [ 988.922924][ T72] __sys_sendmsg+0xcd/0x170 [ 988.922924][ T72] do_syscall_64+0xc6/0x1e0 [ 988.922924][ T72] [ 988.925566][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 988.925566][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 988.925566][ T72] ipv6_find_idev+0x102/0x170 [ 988.925566][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 988.925566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.925566][ T72] netlink_rcv_skb+0x130/0x360 [ 988.925566][ T72] netlink_unicast+0x449/0x710 [ 988.925566][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.925566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.925566][ T72] ___sys_sendmsg+0xee/0x170 [ 988.925566][ T72] __sys_sendmsg+0xcd/0x170 [ 988.925566][ T72] do_syscall_64+0xc6/0x1e0 [ 988.925566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.925566][ T72] [ 988.927621][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 988.927621][ T72] neigh_parms_alloc+0x1e5/0x510 [ 988.927621][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 988.927621][ T72] ipv6_find_idev+0x102/0x170 [ 988.927621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 988.927621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 988.927621][ T72] netlink_rcv_skb+0x130/0x360 [ 988.927621][ T72] netlink_unicast+0x449/0x710 [ 988.927621][ T72] netlink_sendmsg+0x723/0xbe0 [ 988.927621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 988.927621][ T72] ___sys_sendmsg+0xee/0x170 [ 988.927621][ T72] __sys_sendmsg+0xcd/0x170 [ 988.927621][ T72] do_syscall_64+0xc6/0x1e0 [ 988.927621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 988.927621][ T72] [ 999.168960][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 999.169472][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 999.169472][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 999.169472][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 999.169472][ T72] fib6_nh_init+0xa22/0x1580 [ 999.169472][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.169472][ T72] ip6_route_add+0x1c/0x140 [ 999.169472][ T72] inet6_rtm_newroute+0x104/0x110 [ 999.169472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.169472][ T72] netlink_rcv_skb+0x130/0x360 [ 999.169472][ T72] netlink_unicast+0x449/0x710 [ 999.169472][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.169472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.169472][ T72] ___sys_sendmsg+0xee/0x170 [ 999.169472][ T72] __sys_sendmsg+0xcd/0x170 [ 999.169472][ T72] do_syscall_64+0xc6/0x1e0 [ 999.169472][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.169472][ T72] [ 999.171802][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 999.171802][ T72] dst_init+0x84/0x4a0 [ 999.171802][ T72] dst_alloc+0x97/0x150 [ 999.171802][ T72] ip6_dst_alloc+0x23/0x90 [ 999.171802][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 999.171802][ T72] ip6_pol_route+0x56f/0x840 [ 999.171802][ T72] fib6_rule_lookup+0x456/0x630 [ 999.171802][ T72] ip6_route_input+0x59c/0xa50 [ 999.171802][ T72] ipv6_rcv+0x397/0x810 [ 999.171802][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 999.171802][ T72] process_backlog+0x101/0x620 [ 999.171802][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 999.171802][ T72] net_rx_action+0x495/0xbe0 [ 999.171802][ T72] __do_softirq+0x1b5/0x7f6 [ 999.171802][ T72] [ 999.173834][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 999.173834][ T72] netdev_get_by_index+0x5e/0x80 [ 999.173834][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.173834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.173834][ T72] ip6_route_add+0x1c/0x140 [ 999.173834][ T72] addrconf_prefix_route+0x2a6/0x430 [ 999.173834][ T72] inet6_addr_add+0x4f8/0xa40 [ 999.173834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.173834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.173834][ T72] netlink_rcv_skb+0x130/0x360 [ 999.173834][ T72] netlink_unicast+0x449/0x710 [ 999.173834][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.173834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.173834][ T72] ___sys_sendmsg+0xee/0x170 [ 999.173834][ T72] __sys_sendmsg+0xcd/0x170 [ 999.173834][ T72] do_syscall_64+0xc6/0x1e0 [ 999.173834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.173834][ T72] [ 999.176272][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 999.176272][ T72] netdev_get_by_index+0x5e/0x80 [ 999.176272][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.176272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.176272][ T72] addrconf_f6i_alloc+0x315/0x560 [ 999.176272][ T72] ipv6_add_addr+0x411/0x2000 [ 999.176272][ T72] inet6_addr_add+0x30e/0xa40 [ 999.176272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.176272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.176272][ T72] netlink_rcv_skb+0x130/0x360 [ 999.176272][ T72] netlink_unicast+0x449/0x710 [ 999.176272][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.176272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.176272][ T72] ___sys_sendmsg+0xee/0x170 [ 999.176272][ T72] __sys_sendmsg+0xcd/0x170 [ 999.176272][ T72] do_syscall_64+0xc6/0x1e0 [ 999.176272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.176272][ T72] [ 999.178724][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 999.178724][ T72] netdev_get_by_index+0x5e/0x80 [ 999.178724][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.178724][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.178724][ T72] ip6_route_add+0x1c/0x140 [ 999.178724][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 999.178724][ T72] addrconf_add_dev+0xe2/0x170 [ 999.178724][ T72] inet6_addr_add+0x12f/0xa40 [ 999.178724][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.178724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.178724][ T72] netlink_rcv_skb+0x130/0x360 [ 999.178724][ T72] netlink_unicast+0x449/0x710 [ 999.178724][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.178724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.178724][ T72] ___sys_sendmsg+0xee/0x170 [ 999.178724][ T72] __sys_sendmsg+0xcd/0x170 [ 999.178724][ T72] do_syscall_64+0xc6/0x1e0 [ 999.178724][ T72] [ 999.181127][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 999.181127][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 999.181127][ T72] ipv6_find_idev+0x102/0x170 [ 999.181127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.181127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.181127][ T72] netlink_rcv_skb+0x130/0x360 [ 999.181127][ T72] netlink_unicast+0x449/0x710 [ 999.181127][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.181127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.181127][ T72] ___sys_sendmsg+0xee/0x170 [ 999.181127][ T72] __sys_sendmsg+0xcd/0x170 [ 999.181127][ T72] do_syscall_64+0xc6/0x1e0 [ 999.181127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.181127][ T72] [ 999.183412][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 999.183412][ T72] neigh_parms_alloc+0x1e5/0x510 [ 999.183412][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 999.183412][ T72] ipv6_find_idev+0x102/0x170 [ 999.183412][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.183412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.183412][ T72] netlink_rcv_skb+0x130/0x360 [ 999.183412][ T72] netlink_unicast+0x449/0x710 [ 999.183412][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.183412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.183412][ T72] ___sys_sendmsg+0xee/0x170 [ 999.183412][ T72] __sys_sendmsg+0xcd/0x170 [ 999.183412][ T72] do_syscall_64+0xc6/0x1e0 [ 999.183412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.183412][ T72] [ 999.185482][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 999.185809][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 999.185809][ T72] dst_init+0x84/0x4a0 [ 999.185809][ T72] dst_alloc+0x97/0x150 [ 999.185809][ T72] ip6_dst_alloc+0x23/0x90 [ 999.185809][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 999.185809][ T72] ip6_pol_route+0x56f/0x840 [ 999.185809][ T72] fib6_rule_lookup+0x456/0x630 [ 999.185809][ T72] ip6_route_input+0x59c/0xa50 [ 999.185809][ T72] ipv6_rcv+0x397/0x810 [ 999.185809][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 999.185809][ T72] process_backlog+0x101/0x620 [ 999.185809][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 999.185809][ T72] net_rx_action+0x495/0xbe0 [ 999.185809][ T72] __do_softirq+0x1b5/0x7f6 [ 999.185809][ T72] [ 999.187811][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 999.187811][ T72] netdev_get_by_index+0x5e/0x80 [ 999.187811][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.187811][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.187811][ T72] addrconf_f6i_alloc+0x265/0x560 [ 999.187811][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 999.187811][ T72] addrconf_join_anycast+0x1c0/0x220 [ 999.187811][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 999.187811][ T72] addrconf_dad_completed+0x12b/0xe20 [ 999.187811][ T72] addrconf_dad_begin+0x310/0x670 [ 999.187811][ T72] addrconf_dad_work+0x10b/0xab0 [ 999.187811][ T72] process_one_work+0x84d/0x18a0 [ 999.187811][ T72] worker_thread+0x587/0xd30 [ 999.187811][ T72] kthread+0x28a/0x350 [ 999.187811][ T72] ret_from_fork+0x31/0x70 [ 999.187811][ T72] ret_from_fork_asm+0x1a/0x30 [ 999.187811][ T72] [ 999.190137][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 999.190137][ T72] netdev_get_by_index+0x5e/0x80 [ 999.190137][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.190137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.190137][ T72] ip6_route_add+0x1c/0x140 [ 999.190137][ T72] addrconf_prefix_route+0x2a6/0x430 [ 999.190137][ T72] inet6_addr_add+0x4f8/0xa40 [ 999.190137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.190137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.190137][ T72] netlink_rcv_skb+0x130/0x360 [ 999.190137][ T72] netlink_unicast+0x449/0x710 [ 999.190137][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.190137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.190137][ T72] ___sys_sendmsg+0xee/0x170 [ 999.190137][ T72] __sys_sendmsg+0xcd/0x170 [ 999.190137][ T72] do_syscall_64+0xc6/0x1e0 [ 999.190137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.190137][ T72] [ 999.192577][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 999.192577][ T72] netdev_get_by_index+0x5e/0x80 [ 999.192577][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.192577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.192577][ T72] addrconf_f6i_alloc+0x315/0x560 [ 999.192577][ T72] ipv6_add_addr+0x411/0x2000 [ 999.192577][ T72] inet6_addr_add+0x30e/0xa40 [ 999.192577][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.192577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.192577][ T72] netlink_rcv_skb+0x130/0x360 [ 999.192577][ T72] netlink_unicast+0x449/0x710 [ 999.192577][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.192577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.192577][ T72] ___sys_sendmsg+0xee/0x170 [ 999.192577][ T72] __sys_sendmsg+0xcd/0x170 [ 999.192577][ T72] do_syscall_64+0xc6/0x1e0 [ 999.192577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.192577][ T72] [ 999.195025][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 999.195025][ T72] netdev_get_by_index+0x5e/0x80 [ 999.195025][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.195025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.195025][ T72] ip6_route_add+0x1c/0x140 [ 999.195025][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 999.195025][ T72] addrconf_add_dev+0xe2/0x170 [ 999.195025][ T72] inet6_addr_add+0x12f/0xa40 [ 999.195025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.195025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.195025][ T72] netlink_rcv_skb+0x130/0x360 [ 999.195025][ T72] netlink_unicast+0x449/0x710 [ 999.195025][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.195025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.195025][ T72] ___sys_sendmsg+0xee/0x170 [ 999.195025][ T72] __sys_sendmsg+0xcd/0x170 [ 999.195025][ T72] do_syscall_64+0xc6/0x1e0 [ 999.195025][ T72] [ 999.197434][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 999.197434][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 999.197434][ T72] ipv6_find_idev+0x102/0x170 [ 999.197434][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.197434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.197434][ T72] netlink_rcv_skb+0x130/0x360 [ 999.197434][ T72] netlink_unicast+0x449/0x710 [ 999.197434][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.197434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.197434][ T72] ___sys_sendmsg+0xee/0x170 [ 999.197434][ T72] __sys_sendmsg+0xcd/0x170 [ 999.197434][ T72] do_syscall_64+0xc6/0x1e0 [ 999.197434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.197434][ T72] [ 999.199313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 999.199313][ T72] neigh_parms_alloc+0x1e5/0x510 [ 999.199313][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 999.199313][ T72] ipv6_find_idev+0x102/0x170 [ 999.199313][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.199313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.199313][ T72] netlink_rcv_skb+0x130/0x360 [ 999.199313][ T72] netlink_unicast+0x449/0x710 [ 999.199313][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.199313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.199313][ T72] ___sys_sendmsg+0xee/0x170 [ 999.199313][ T72] __sys_sendmsg+0xcd/0x170 [ 999.199313][ T72] do_syscall_64+0xc6/0x1e0 [ 999.199313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.199313][ T72] [ 999.201422][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 999.201744][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 999.201744][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 999.201744][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 999.201744][ T72] fib6_nh_init+0xa22/0x1580 [ 999.201744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.201744][ T72] ip6_route_add+0x1c/0x140 [ 999.201744][ T72] inet6_rtm_newroute+0x104/0x110 [ 999.201744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.201744][ T72] netlink_rcv_skb+0x130/0x360 [ 999.201744][ T72] netlink_unicast+0x449/0x710 [ 999.201744][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.201744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.201744][ T72] ___sys_sendmsg+0xee/0x170 [ 999.201744][ T72] __sys_sendmsg+0xcd/0x170 [ 999.201744][ T72] do_syscall_64+0xc6/0x1e0 [ 999.201744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.201744][ T72] [ 999.204297][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 999.204297][ T72] dst_init+0x84/0x4a0 [ 999.204297][ T72] dst_alloc+0x97/0x150 [ 999.204297][ T72] ip6_dst_alloc+0x23/0x90 [ 999.204297][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 999.204297][ T72] ip6_pol_route+0x56f/0x840 [ 999.204297][ T72] fib6_rule_lookup+0x456/0x630 [ 999.204297][ T72] ip6_route_input+0x59c/0xa50 [ 999.204297][ T72] ipv6_rcv+0x397/0x810 [ 999.204297][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 999.204297][ T72] process_backlog+0x101/0x620 [ 999.204297][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 999.204297][ T72] net_rx_action+0x495/0xbe0 [ 999.204297][ T72] __do_softirq+0x1b5/0x7f6 [ 999.204297][ T72] [ 999.206539][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 999.206539][ T72] netdev_get_by_index+0x5e/0x80 [ 999.206539][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.206539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.206539][ T72] ip6_route_add+0x1c/0x140 [ 999.206539][ T72] addrconf_prefix_route+0x2a6/0x430 [ 999.206539][ T72] inet6_addr_add+0x4f8/0xa40 [ 999.206539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.206539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.206539][ T72] netlink_rcv_skb+0x130/0x360 [ 999.206539][ T72] netlink_unicast+0x449/0x710 [ 999.206539][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.206539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.206539][ T72] ___sys_sendmsg+0xee/0x170 [ 999.206539][ T72] __sys_sendmsg+0xcd/0x170 [ 999.206539][ T72] do_syscall_64+0xc6/0x1e0 [ 999.206539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.206539][ T72] [ 999.209176][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 999.209176][ T72] netdev_get_by_index+0x5e/0x80 [ 999.209176][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.209176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.209176][ T72] addrconf_f6i_alloc+0x315/0x560 [ 999.209176][ T72] ipv6_add_addr+0x411/0x2000 [ 999.209176][ T72] inet6_addr_add+0x30e/0xa40 [ 999.209176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.209176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.209176][ T72] netlink_rcv_skb+0x130/0x360 [ 999.209176][ T72] netlink_unicast+0x449/0x710 [ 999.209176][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.209176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.209176][ T72] ___sys_sendmsg+0xee/0x170 [ 999.209176][ T72] __sys_sendmsg+0xcd/0x170 [ 999.209176][ T72] do_syscall_64+0xc6/0x1e0 [ 999.209176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.209176][ T72] [ 999.211872][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 999.211872][ T72] netdev_get_by_index+0x5e/0x80 [ 999.211872][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.211872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.211872][ T72] ip6_route_add+0x1c/0x140 [ 999.211872][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 999.211872][ T72] addrconf_add_dev+0xe2/0x170 [ 999.211872][ T72] inet6_addr_add+0x12f/0xa40 [ 999.211872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.211872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.211872][ T72] netlink_rcv_skb+0x130/0x360 [ 999.211872][ T72] netlink_unicast+0x449/0x710 [ 999.211872][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.211872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.211872][ T72] ___sys_sendmsg+0xee/0x170 [ 999.211872][ T72] __sys_sendmsg+0xcd/0x170 [ 999.211872][ T72] do_syscall_64+0xc6/0x1e0 [ 999.211872][ T72] [ 999.214539][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 999.214539][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 999.214539][ T72] ipv6_find_idev+0x102/0x170 [ 999.214539][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.214539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.214539][ T72] netlink_rcv_skb+0x130/0x360 [ 999.214539][ T72] netlink_unicast+0x449/0x710 [ 999.214539][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.214539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.214539][ T72] ___sys_sendmsg+0xee/0x170 [ 999.214539][ T72] __sys_sendmsg+0xcd/0x170 [ 999.214539][ T72] do_syscall_64+0xc6/0x1e0 [ 999.214539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.214539][ T72] [ 999.216602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 999.216602][ T72] neigh_parms_alloc+0x1e5/0x510 [ 999.216602][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 999.216602][ T72] ipv6_find_idev+0x102/0x170 [ 999.216602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.216602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.216602][ T72] netlink_rcv_skb+0x130/0x360 [ 999.216602][ T72] netlink_unicast+0x449/0x710 [ 999.216602][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.216602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.216602][ T72] ___sys_sendmsg+0xee/0x170 [ 999.216602][ T72] __sys_sendmsg+0xcd/0x170 [ 999.216602][ T72] do_syscall_64+0xc6/0x1e0 [ 999.216602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.216602][ T72] [ 999.218837][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 999.219223][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 999.219223][ T72] netdev_get_by_index+0x5e/0x80 [ 999.219223][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.219223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.219223][ T72] addrconf_f6i_alloc+0x265/0x560 [ 999.219223][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 999.219223][ T72] addrconf_join_anycast+0x1c0/0x220 [ 999.219223][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 999.219223][ T72] addrconf_dad_completed+0x12b/0xe20 [ 999.219223][ T72] addrconf_dad_begin+0x310/0x670 [ 999.219223][ T72] addrconf_dad_work+0x10b/0xab0 [ 999.219223][ T72] process_one_work+0x84d/0x18a0 [ 999.219223][ T72] worker_thread+0x587/0xd30 [ 999.219223][ T72] kthread+0x28a/0x350 [ 999.219223][ T72] ret_from_fork+0x31/0x70 [ 999.219223][ T72] ret_from_fork_asm+0x1a/0x30 [ 999.219223][ T72] [ 999.221734][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 999.221734][ T72] netdev_get_by_index+0x5e/0x80 [ 999.221734][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.221734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.221734][ T72] ip6_route_add+0x1c/0x140 [ 999.221734][ T72] addrconf_prefix_route+0x2a6/0x430 [ 999.221734][ T72] inet6_addr_add+0x4f8/0xa40 [ 999.221734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.221734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.221734][ T72] netlink_rcv_skb+0x130/0x360 [ 999.221734][ T72] netlink_unicast+0x449/0x710 [ 999.221734][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.221734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.221734][ T72] ___sys_sendmsg+0xee/0x170 [ 999.221734][ T72] __sys_sendmsg+0xcd/0x170 [ 999.221734][ T72] do_syscall_64+0xc6/0x1e0 [ 999.221734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.221734][ T72] [ 999.224426][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 999.224426][ T72] netdev_get_by_index+0x5e/0x80 [ 999.224426][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.224426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.224426][ T72] addrconf_f6i_alloc+0x315/0x560 [ 999.224426][ T72] ipv6_add_addr+0x411/0x2000 [ 999.224426][ T72] inet6_addr_add+0x30e/0xa40 [ 999.224426][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.224426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.224426][ T72] netlink_rcv_skb+0x130/0x360 [ 999.224426][ T72] netlink_unicast+0x449/0x710 [ 999.224426][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.224426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.224426][ T72] ___sys_sendmsg+0xee/0x170 [ 999.224426][ T72] __sys_sendmsg+0xcd/0x170 [ 999.224426][ T72] do_syscall_64+0xc6/0x1e0 [ 999.224426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.224426][ T72] [ 999.227165][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 999.227165][ T72] netdev_get_by_index+0x5e/0x80 [ 999.227165][ T72] fib6_nh_init+0x3d8/0x1580 [ 999.227165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 999.227165][ T72] ip6_route_add+0x1c/0x140 [ 999.227165][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 999.227165][ T72] addrconf_add_dev+0xe2/0x170 [ 999.227165][ T72] inet6_addr_add+0x12f/0xa40 [ 999.227165][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 999.227165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.227165][ T72] netlink_rcv_skb+0x130/0x360 [ 999.227165][ T72] netlink_unicast+0x449/0x710 [ 999.227165][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.227165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.227165][ T72] ___sys_sendmsg+0xee/0x170 [ 999.227165][ T72] __sys_sendmsg+0xcd/0x170 [ 999.227165][ T72] do_syscall_64+0xc6/0x1e0 [ 999.227165][ T72] [ 999.229739][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 999.229739][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 999.229739][ T72] ipv6_find_idev+0x102/0x170 [ 999.229739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.229739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.229739][ T72] netlink_rcv_skb+0x130/0x360 [ 999.229739][ T72] netlink_unicast+0x449/0x710 [ 999.229739][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.229739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.229739][ T72] ___sys_sendmsg+0xee/0x170 [ 999.229739][ T72] __sys_sendmsg+0xcd/0x170 [ 999.229739][ T72] do_syscall_64+0xc6/0x1e0 [ 999.229739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.229739][ T72] [ 999.231789][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 999.231789][ T72] neigh_parms_alloc+0x1e5/0x510 [ 999.231789][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 999.231789][ T72] ipv6_find_idev+0x102/0x170 [ 999.231789][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.231789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.231789][ T72] netlink_rcv_skb+0x130/0x360 [ 999.231789][ T72] netlink_unicast+0x449/0x710 [ 999.231789][ T72] netlink_sendmsg+0x723/0xbe0 [ 999.231789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 999.231789][ T72] ___sys_sendmsg+0xee/0x170 [ 999.231789][ T72] __sys_sendmsg+0xcd/0x170 [ 999.231789][ T72] do_syscall_64+0xc6/0x1e0 [ 999.231789][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.231789][ T72] [ 1009.472951][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1009.473466][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1009.473466][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1009.473466][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1009.473466][ T72] fib6_nh_init+0xa22/0x1580 [ 1009.473466][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.473466][ T72] ip6_route_add+0x1c/0x140 [ 1009.473466][ T72] inet6_rtm_newroute+0x104/0x110 [ 1009.473466][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.473466][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.473466][ T72] netlink_unicast+0x449/0x710 [ 1009.473466][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.473466][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.473466][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.473466][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.473466][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.473466][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.473466][ T72] [ 1009.475799][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1009.475799][ T72] dst_init+0x84/0x4a0 [ 1009.475799][ T72] dst_alloc+0x97/0x150 [ 1009.475799][ T72] ip6_dst_alloc+0x23/0x90 [ 1009.475799][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1009.475799][ T72] ip6_pol_route+0x56f/0x840 [ 1009.475799][ T72] fib6_rule_lookup+0x456/0x630 [ 1009.475799][ T72] ip6_route_input+0x59c/0xa50 [ 1009.475799][ T72] ipv6_rcv+0x397/0x810 [ 1009.475799][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1009.475799][ T72] process_backlog+0x101/0x620 [ 1009.475799][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1009.475799][ T72] net_rx_action+0x495/0xbe0 [ 1009.475799][ T72] __do_softirq+0x1b5/0x7f6 [ 1009.475799][ T72] [ 1009.477809][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1009.477809][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.477809][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.477809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.477809][ T72] ip6_route_add+0x1c/0x140 [ 1009.477809][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1009.477809][ T72] inet6_addr_add+0x4f8/0xa40 [ 1009.477809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.477809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.477809][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.477809][ T72] netlink_unicast+0x449/0x710 [ 1009.477809][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.477809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.477809][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.477809][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.477809][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.477809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.477809][ T72] [ 1009.480261][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1009.480261][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.480261][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.480261][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.480261][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1009.480261][ T72] ipv6_add_addr+0x411/0x2000 [ 1009.480261][ T72] inet6_addr_add+0x30e/0xa40 [ 1009.480261][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.480261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.480261][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.480261][ T72] netlink_unicast+0x449/0x710 [ 1009.480261][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.480261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.480261][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.480261][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.480261][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.480261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.480261][ T72] [ 1009.482712][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1009.482712][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.482712][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.482712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.482712][ T72] ip6_route_add+0x1c/0x140 [ 1009.482712][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1009.482712][ T72] addrconf_add_dev+0xe2/0x170 [ 1009.482712][ T72] inet6_addr_add+0x12f/0xa40 [ 1009.482712][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.482712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.482712][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.482712][ T72] netlink_unicast+0x449/0x710 [ 1009.482712][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.482712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.482712][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.482712][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.482712][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.482712][ T72] [ 1009.485148][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1009.485148][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1009.485148][ T72] ipv6_find_idev+0x102/0x170 [ 1009.485148][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.485148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.485148][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.485148][ T72] netlink_unicast+0x449/0x710 [ 1009.485148][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.485148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.485148][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.485148][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.485148][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.485148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.485148][ T72] [ 1009.487031][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1009.487031][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1009.487031][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1009.487031][ T72] ipv6_find_idev+0x102/0x170 [ 1009.487031][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.487031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.487031][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.487031][ T72] netlink_unicast+0x449/0x710 [ 1009.487031][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.487031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.487031][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.487031][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.487031][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.487031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.487031][ T72] [ 1009.489093][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1009.489417][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1009.489417][ T72] dst_init+0x84/0x4a0 [ 1009.489417][ T72] dst_alloc+0x97/0x150 [ 1009.489417][ T72] ip6_dst_alloc+0x23/0x90 [ 1009.489417][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1009.489417][ T72] ip6_pol_route+0x56f/0x840 [ 1009.489417][ T72] fib6_rule_lookup+0x456/0x630 [ 1009.489417][ T72] ip6_route_input+0x59c/0xa50 [ 1009.489417][ T72] ipv6_rcv+0x397/0x810 [ 1009.489417][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1009.489417][ T72] process_backlog+0x101/0x620 [ 1009.489417][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1009.489417][ T72] net_rx_action+0x495/0xbe0 [ 1009.489417][ T72] __do_softirq+0x1b5/0x7f6 [ 1009.489417][ T72] [ 1009.491419][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1009.491419][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.491419][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.491419][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.491419][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1009.491419][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1009.491419][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1009.491419][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1009.491419][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1009.491419][ T72] addrconf_dad_begin+0x310/0x670 [ 1009.491419][ T72] addrconf_dad_work+0x10b/0xab0 [ 1009.491419][ T72] process_one_work+0x84d/0x18a0 [ 1009.491419][ T72] worker_thread+0x587/0xd30 [ 1009.491419][ T72] kthread+0x28a/0x350 [ 1009.491419][ T72] ret_from_fork+0x31/0x70 [ 1009.491419][ T72] ret_from_fork_asm+0x1a/0x30 [ 1009.491419][ T72] [ 1009.493765][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1009.493765][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.493765][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.493765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.493765][ T72] ip6_route_add+0x1c/0x140 [ 1009.493765][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1009.493765][ T72] inet6_addr_add+0x4f8/0xa40 [ 1009.493765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.493765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.493765][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.493765][ T72] netlink_unicast+0x449/0x710 [ 1009.493765][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.493765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.493765][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.493765][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.493765][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.493765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.493765][ T72] [ 1009.496208][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1009.496208][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.496208][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.496208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.496208][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1009.496208][ T72] ipv6_add_addr+0x411/0x2000 [ 1009.496208][ T72] inet6_addr_add+0x30e/0xa40 [ 1009.496208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.496208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.496208][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.496208][ T72] netlink_unicast+0x449/0x710 [ 1009.496208][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.496208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.496208][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.496208][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.496208][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.496208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.496208][ T72] [ 1009.498653][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1009.498653][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.498653][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.498653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.498653][ T72] ip6_route_add+0x1c/0x140 [ 1009.498653][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1009.498653][ T72] addrconf_add_dev+0xe2/0x170 [ 1009.498653][ T72] inet6_addr_add+0x12f/0xa40 [ 1009.498653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.498653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.498653][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.498653][ T72] netlink_unicast+0x449/0x710 [ 1009.498653][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.498653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.498653][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.498653][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.498653][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.498653][ T72] [ 1009.501055][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1009.501055][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1009.501055][ T72] ipv6_find_idev+0x102/0x170 [ 1009.501055][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.501055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.501055][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.501055][ T72] netlink_unicast+0x449/0x710 [ 1009.501055][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.501055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.501055][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.501055][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.501055][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.501055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.501055][ T72] [ 1009.502950][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1009.502950][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1009.502950][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1009.502950][ T72] ipv6_find_idev+0x102/0x170 [ 1009.502950][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.502950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.502950][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.502950][ T72] netlink_unicast+0x449/0x710 [ 1009.502950][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.502950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.502950][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.502950][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.502950][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.502950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.502950][ T72] [ 1009.504678][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1009.505012][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1009.505012][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1009.505012][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1009.505012][ T72] fib6_nh_init+0xa22/0x1580 [ 1009.505012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.505012][ T72] ip6_route_add+0x1c/0x140 [ 1009.505012][ T72] inet6_rtm_newroute+0x104/0x110 [ 1009.505012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.505012][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.505012][ T72] netlink_unicast+0x449/0x710 [ 1009.505012][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.505012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.505012][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.505012][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.505012][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.505012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.505012][ T72] [ 1009.507114][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1009.507114][ T72] dst_init+0x84/0x4a0 [ 1009.507114][ T72] dst_alloc+0x97/0x150 [ 1009.507114][ T72] ip6_dst_alloc+0x23/0x90 [ 1009.507114][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1009.507114][ T72] ip6_pol_route+0x56f/0x840 [ 1009.507114][ T72] fib6_rule_lookup+0x456/0x630 [ 1009.507114][ T72] ip6_route_input+0x59c/0xa50 [ 1009.507114][ T72] ipv6_rcv+0x397/0x810 [ 1009.507114][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1009.507114][ T72] process_backlog+0x101/0x620 [ 1009.507114][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1009.507114][ T72] net_rx_action+0x495/0xbe0 [ 1009.507114][ T72] __do_softirq+0x1b5/0x7f6 [ 1009.507114][ T72] [ 1009.508974][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1009.508974][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.508974][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.508974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.508974][ T72] ip6_route_add+0x1c/0x140 [ 1009.508974][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1009.508974][ T72] inet6_addr_add+0x4f8/0xa40 [ 1009.508974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.508974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.508974][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.508974][ T72] netlink_unicast+0x449/0x710 [ 1009.508974][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.508974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.508974][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.508974][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.508974][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.508974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.508974][ T72] [ 1009.511140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1009.511140][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.511140][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.511140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.511140][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1009.511140][ T72] ipv6_add_addr+0x411/0x2000 [ 1009.511140][ T72] inet6_addr_add+0x30e/0xa40 [ 1009.511140][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.511140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.511140][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.511140][ T72] netlink_unicast+0x449/0x710 [ 1009.511140][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.511140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.511140][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.511140][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.511140][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.511140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.511140][ T72] [ 1009.513312][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1009.513312][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.513312][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.513312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.513312][ T72] ip6_route_add+0x1c/0x140 [ 1009.513312][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1009.513312][ T72] addrconf_add_dev+0xe2/0x170 [ 1009.513312][ T72] inet6_addr_add+0x12f/0xa40 [ 1009.513312][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.513312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.513312][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.513312][ T72] netlink_unicast+0x449/0x710 [ 1009.513312][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.513312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.513312][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.513312][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.513312][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.513312][ T72] [ 1009.515551][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1009.515551][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1009.515551][ T72] ipv6_find_idev+0x102/0x170 [ 1009.515551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.515551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.515551][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.515551][ T72] netlink_unicast+0x449/0x710 [ 1009.515551][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.515551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.515551][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.515551][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.515551][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.515551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.515551][ T72] [ 1009.517275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1009.517275][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1009.517275][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1009.517275][ T72] ipv6_find_idev+0x102/0x170 [ 1009.517275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.517275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.517275][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.517275][ T72] netlink_unicast+0x449/0x710 [ 1009.517275][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.517275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.517275][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.517275][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.517275][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.517275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.517275][ T72] [ 1009.519117][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1009.519450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1009.519450][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.519450][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.519450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.519450][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1009.519450][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1009.519450][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1009.519450][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1009.519450][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1009.519450][ T72] addrconf_dad_begin+0x310/0x670 [ 1009.519450][ T72] addrconf_dad_work+0x10b/0xab0 [ 1009.519450][ T72] process_one_work+0x84d/0x18a0 [ 1009.519450][ T72] worker_thread+0x587/0xd30 [ 1009.519450][ T72] kthread+0x28a/0x350 [ 1009.519450][ T72] ret_from_fork+0x31/0x70 [ 1009.519450][ T72] ret_from_fork_asm+0x1a/0x30 [ 1009.519450][ T72] [ 1009.521528][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1009.521528][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.521528][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.521528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.521528][ T72] ip6_route_add+0x1c/0x140 [ 1009.521528][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1009.521528][ T72] inet6_addr_add+0x4f8/0xa40 [ 1009.521528][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.521528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.521528][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.521528][ T72] netlink_unicast+0x449/0x710 [ 1009.521528][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.521528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.521528][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.521528][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.521528][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.521528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.521528][ T72] [ 1009.523710][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1009.523710][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.523710][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.523710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.523710][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1009.523710][ T72] ipv6_add_addr+0x411/0x2000 [ 1009.523710][ T72] inet6_addr_add+0x30e/0xa40 [ 1009.523710][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.523710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.523710][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.523710][ T72] netlink_unicast+0x449/0x710 [ 1009.523710][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.523710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.523710][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.523710][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.523710][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.523710][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.523710][ T72] [ 1009.525984][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1009.525984][ T72] netdev_get_by_index+0x5e/0x80 [ 1009.525984][ T72] fib6_nh_init+0x3d8/0x1580 [ 1009.525984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1009.525984][ T72] ip6_route_add+0x1c/0x140 [ 1009.525984][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1009.525984][ T72] addrconf_add_dev+0xe2/0x170 [ 1009.525984][ T72] inet6_addr_add+0x12f/0xa40 [ 1009.525984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.525984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.525984][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.525984][ T72] netlink_unicast+0x449/0x710 [ 1009.525984][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.525984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.525984][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.525984][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.525984][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.525984][ T72] [ 1009.528122][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1009.528122][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1009.528122][ T72] ipv6_find_idev+0x102/0x170 [ 1009.528122][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.528122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.528122][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.528122][ T72] netlink_unicast+0x449/0x710 [ 1009.528122][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.528122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.528122][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.528122][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.528122][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.528122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.528122][ T72] [ 1009.529826][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1009.529826][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1009.529826][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1009.529826][ T72] ipv6_find_idev+0x102/0x170 [ 1009.529826][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.529826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.529826][ T72] netlink_rcv_skb+0x130/0x360 [ 1009.529826][ T72] netlink_unicast+0x449/0x710 [ 1009.529826][ T72] netlink_sendmsg+0x723/0xbe0 [ 1009.529826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1009.529826][ T72] ___sys_sendmsg+0xee/0x170 [ 1009.529826][ T72] __sys_sendmsg+0xcd/0x170 [ 1009.529826][ T72] do_syscall_64+0xc6/0x1e0 [ 1009.529826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.529826][ T72] [ 1019.768866][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1019.769374][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1019.769374][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1019.769374][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1019.769374][ T72] fib6_nh_init+0xa22/0x1580 [ 1019.769374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.769374][ T72] ip6_route_add+0x1c/0x140 [ 1019.769374][ T72] inet6_rtm_newroute+0x104/0x110 [ 1019.769374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.769374][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.769374][ T72] netlink_unicast+0x449/0x710 [ 1019.769374][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.769374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.769374][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.769374][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.769374][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.769374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.769374][ T72] [ 1019.771275][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1019.771275][ T72] dst_init+0x84/0x4a0 [ 1019.771275][ T72] dst_alloc+0x97/0x150 [ 1019.771275][ T72] ip6_dst_alloc+0x23/0x90 [ 1019.771275][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1019.771275][ T72] ip6_pol_route+0x56f/0x840 [ 1019.771275][ T72] fib6_rule_lookup+0x456/0x630 [ 1019.771275][ T72] ip6_route_input+0x59c/0xa50 [ 1019.771275][ T72] ipv6_rcv+0x397/0x810 [ 1019.771275][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1019.771275][ T72] process_backlog+0x101/0x620 [ 1019.771275][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1019.771275][ T72] net_rx_action+0x495/0xbe0 [ 1019.771275][ T72] __do_softirq+0x1b5/0x7f6 [ 1019.771275][ T72] [ 1019.772921][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1019.772921][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.772921][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.772921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.772921][ T72] ip6_route_add+0x1c/0x140 [ 1019.772921][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1019.772921][ T72] inet6_addr_add+0x4f8/0xa40 [ 1019.772921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.772921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.772921][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.772921][ T72] netlink_unicast+0x449/0x710 [ 1019.772921][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.772921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.772921][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.772921][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.772921][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.772921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.772921][ T72] [ 1019.774933][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1019.774933][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.774933][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.774933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.774933][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1019.774933][ T72] ipv6_add_addr+0x411/0x2000 [ 1019.774933][ T72] inet6_addr_add+0x30e/0xa40 [ 1019.774933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.774933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.774933][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.774933][ T72] netlink_unicast+0x449/0x710 [ 1019.774933][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.774933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.774933][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.774933][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.774933][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.774933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.774933][ T72] [ 1019.776935][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1019.776935][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.776935][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.776935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.776935][ T72] ip6_route_add+0x1c/0x140 [ 1019.776935][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1019.776935][ T72] addrconf_add_dev+0xe2/0x170 [ 1019.776935][ T72] inet6_addr_add+0x12f/0xa40 [ 1019.776935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.776935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.776935][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.776935][ T72] netlink_unicast+0x449/0x710 [ 1019.776935][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.776935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.776935][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.776935][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.776935][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.776935][ T72] [ 1019.778891][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1019.778891][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1019.778891][ T72] ipv6_find_idev+0x102/0x170 [ 1019.778891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.778891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.778891][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.778891][ T72] netlink_unicast+0x449/0x710 [ 1019.778891][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.778891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.778891][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.778891][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.778891][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.778891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.778891][ T72] [ 1019.780433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1019.780433][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1019.780433][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1019.780433][ T72] ipv6_find_idev+0x102/0x170 [ 1019.780433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.780433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.780433][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.780433][ T72] netlink_unicast+0x449/0x710 [ 1019.780433][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.780433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.780433][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.780433][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.780433][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.780433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.780433][ T72] [ 1019.782125][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1019.782400][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1019.782400][ T72] dst_init+0x84/0x4a0 [ 1019.782400][ T72] dst_alloc+0x97/0x150 [ 1019.782400][ T72] ip6_dst_alloc+0x23/0x90 [ 1019.782400][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1019.782400][ T72] ip6_pol_route+0x56f/0x840 [ 1019.782400][ T72] fib6_rule_lookup+0x456/0x630 [ 1019.782400][ T72] ip6_route_input+0x59c/0xa50 [ 1019.782400][ T72] ipv6_rcv+0x397/0x810 [ 1019.782400][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1019.782400][ T72] process_backlog+0x101/0x620 [ 1019.782400][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1019.782400][ T72] net_rx_action+0x495/0xbe0 [ 1019.782400][ T72] __do_softirq+0x1b5/0x7f6 [ 1019.782400][ T72] [ 1019.784055][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1019.784055][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.784055][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.784055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.784055][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1019.784055][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1019.784055][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1019.784055][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1019.784055][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1019.784055][ T72] addrconf_dad_begin+0x310/0x670 [ 1019.784055][ T72] addrconf_dad_work+0x10b/0xab0 [ 1019.784055][ T72] process_one_work+0x84d/0x18a0 [ 1019.784055][ T72] worker_thread+0x587/0xd30 [ 1019.784055][ T72] kthread+0x28a/0x350 [ 1019.784055][ T72] ret_from_fork+0x31/0x70 [ 1019.784055][ T72] ret_from_fork_asm+0x1a/0x30 [ 1019.784055][ T72] [ 1019.785966][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1019.785966][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.785966][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.785966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.785966][ T72] ip6_route_add+0x1c/0x140 [ 1019.785966][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1019.785966][ T72] inet6_addr_add+0x4f8/0xa40 [ 1019.785966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.785966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.785966][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.785966][ T72] netlink_unicast+0x449/0x710 [ 1019.785966][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.785966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.785966][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.785966][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.785966][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.785966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.785966][ T72] [ 1019.787962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1019.787962][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.787962][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.787962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.787962][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1019.787962][ T72] ipv6_add_addr+0x411/0x2000 [ 1019.787962][ T72] inet6_addr_add+0x30e/0xa40 [ 1019.787962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.787962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.787962][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.787962][ T72] netlink_unicast+0x449/0x710 [ 1019.787962][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.787962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.787962][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.787962][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.787962][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.787962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.787962][ T72] [ 1019.790047][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1019.790047][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.790047][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.790047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.790047][ T72] ip6_route_add+0x1c/0x140 [ 1019.790047][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1019.790047][ T72] addrconf_add_dev+0xe2/0x170 [ 1019.790047][ T72] inet6_addr_add+0x12f/0xa40 [ 1019.790047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.790047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.790047][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.790047][ T72] netlink_unicast+0x449/0x710 [ 1019.790047][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.790047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.790047][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.790047][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.790047][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.790047][ T72] [ 1019.792015][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1019.792015][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1019.792015][ T72] ipv6_find_idev+0x102/0x170 [ 1019.792015][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.792015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.792015][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.792015][ T72] netlink_unicast+0x449/0x710 [ 1019.792015][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.792015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.792015][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.792015][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.792015][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.792015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.792015][ T72] [ 1019.793570][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1019.793570][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1019.793570][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1019.793570][ T72] ipv6_find_idev+0x102/0x170 [ 1019.793570][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.793570][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.793570][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.793570][ T72] netlink_unicast+0x449/0x710 [ 1019.793570][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.793570][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.793570][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.793570][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.793570][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.793570][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.793570][ T72] [ 1019.795326][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1019.795593][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1019.795593][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1019.795593][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1019.795593][ T72] fib6_nh_init+0xa22/0x1580 [ 1019.795593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.795593][ T72] ip6_route_add+0x1c/0x140 [ 1019.795593][ T72] inet6_rtm_newroute+0x104/0x110 [ 1019.795593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.795593][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.795593][ T72] netlink_unicast+0x449/0x710 [ 1019.795593][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.795593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.795593][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.795593][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.795593][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.795593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.795593][ T72] [ 1019.797628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1019.797628][ T72] dst_init+0x84/0x4a0 [ 1019.797628][ T72] dst_alloc+0x97/0x150 [ 1019.797628][ T72] ip6_dst_alloc+0x23/0x90 [ 1019.797628][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1019.797628][ T72] ip6_pol_route+0x56f/0x840 [ 1019.797628][ T72] fib6_rule_lookup+0x456/0x630 [ 1019.797628][ T72] ip6_route_input+0x59c/0xa50 [ 1019.797628][ T72] ipv6_rcv+0x397/0x810 [ 1019.797628][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1019.797628][ T72] process_backlog+0x101/0x620 [ 1019.797628][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1019.797628][ T72] net_rx_action+0x495/0xbe0 [ 1019.797628][ T72] __do_softirq+0x1b5/0x7f6 [ 1019.797628][ T72] [ 1019.799448][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1019.799448][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.799448][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.799448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.799448][ T72] ip6_route_add+0x1c/0x140 [ 1019.799448][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1019.799448][ T72] inet6_addr_add+0x4f8/0xa40 [ 1019.799448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.799448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.799448][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.799448][ T72] netlink_unicast+0x449/0x710 [ 1019.799448][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.799448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.799448][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.799448][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.799448][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.799448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.799448][ T72] [ 1019.801639][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1019.801639][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.801639][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.801639][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.801639][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1019.801639][ T72] ipv6_add_addr+0x411/0x2000 [ 1019.801639][ T72] inet6_addr_add+0x30e/0xa40 [ 1019.801639][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.801639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.801639][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.801639][ T72] netlink_unicast+0x449/0x710 [ 1019.801639][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.801639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.801639][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.801639][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.801639][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.801639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.801639][ T72] [ 1019.803724][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1019.803724][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.803724][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.803724][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.803724][ T72] ip6_route_add+0x1c/0x140 [ 1019.803724][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1019.803724][ T72] addrconf_add_dev+0xe2/0x170 [ 1019.803724][ T72] inet6_addr_add+0x12f/0xa40 [ 1019.803724][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.803724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.803724][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.803724][ T72] netlink_unicast+0x449/0x710 [ 1019.803724][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.803724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.803724][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.803724][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.803724][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.803724][ T72] [ 1019.805920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1019.805920][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1019.805920][ T72] ipv6_find_idev+0x102/0x170 [ 1019.805920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.805920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.805920][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.805920][ T72] netlink_unicast+0x449/0x710 [ 1019.805920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.805920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.805920][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.805920][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.805920][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.805920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.805920][ T72] [ 1019.807533][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1019.807533][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1019.807533][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1019.807533][ T72] ipv6_find_idev+0x102/0x170 [ 1019.807533][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.807533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.807533][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.807533][ T72] netlink_unicast+0x449/0x710 [ 1019.807533][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.807533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.807533][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.807533][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.807533][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.807533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.807533][ T72] [ 1019.809376][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1019.809654][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1019.809654][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.809654][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.809654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.809654][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1019.809654][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1019.809654][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1019.809654][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1019.809654][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1019.809654][ T72] addrconf_dad_begin+0x310/0x670 [ 1019.809654][ T72] addrconf_dad_work+0x10b/0xab0 [ 1019.809654][ T72] process_one_work+0x84d/0x18a0 [ 1019.809654][ T72] worker_thread+0x587/0xd30 [ 1019.809654][ T72] kthread+0x28a/0x350 [ 1019.809654][ T72] ret_from_fork+0x31/0x70 [ 1019.809654][ T72] ret_from_fork_asm+0x1a/0x30 [ 1019.809654][ T72] [ 1019.811712][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1019.811712][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.811712][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.811712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.811712][ T72] ip6_route_add+0x1c/0x140 [ 1019.811712][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1019.811712][ T72] inet6_addr_add+0x4f8/0xa40 [ 1019.811712][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.811712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.811712][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.811712][ T72] netlink_unicast+0x449/0x710 [ 1019.811712][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.811712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.811712][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.811712][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.811712][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.811712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.811712][ T72] [ 1019.813880][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1019.813880][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.813880][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.813880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.813880][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1019.813880][ T72] ipv6_add_addr+0x411/0x2000 [ 1019.813880][ T72] inet6_addr_add+0x30e/0xa40 [ 1019.813880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.813880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.813880][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.813880][ T72] netlink_unicast+0x449/0x710 [ 1019.813880][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.813880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.813880][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.813880][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.813880][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.813880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.813880][ T72] [ 1019.816035][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1019.816035][ T72] netdev_get_by_index+0x5e/0x80 [ 1019.816035][ T72] fib6_nh_init+0x3d8/0x1580 [ 1019.816035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1019.816035][ T72] ip6_route_add+0x1c/0x140 [ 1019.816035][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1019.816035][ T72] addrconf_add_dev+0xe2/0x170 [ 1019.816035][ T72] inet6_addr_add+0x12f/0xa40 [ 1019.816035][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.816035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.816035][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.816035][ T72] netlink_unicast+0x449/0x710 [ 1019.816035][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.816035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.816035][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.816035][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.816035][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.816035][ T72] [ 1019.818160][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1019.818160][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1019.818160][ T72] ipv6_find_idev+0x102/0x170 [ 1019.818160][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.818160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.818160][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.818160][ T72] netlink_unicast+0x449/0x710 [ 1019.818160][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.818160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.818160][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.818160][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.818160][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.818160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.818160][ T72] [ 1019.819768][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1019.819768][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1019.819768][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1019.819768][ T72] ipv6_find_idev+0x102/0x170 [ 1019.819768][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.819768][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.819768][ T72] netlink_rcv_skb+0x130/0x360 [ 1019.819768][ T72] netlink_unicast+0x449/0x710 [ 1019.819768][ T72] netlink_sendmsg+0x723/0xbe0 [ 1019.819768][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1019.819768][ T72] ___sys_sendmsg+0xee/0x170 [ 1019.819768][ T72] __sys_sendmsg+0xcd/0x170 [ 1019.819768][ T72] do_syscall_64+0xc6/0x1e0 [ 1019.819768][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.819768][ T72] [ 1030.064910][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1030.065378][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1030.065378][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1030.065378][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1030.065378][ T72] fib6_nh_init+0xa22/0x1580 [ 1030.065378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.065378][ T72] ip6_route_add+0x1c/0x140 [ 1030.065378][ T72] inet6_rtm_newroute+0x104/0x110 [ 1030.065378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.065378][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.065378][ T72] netlink_unicast+0x449/0x710 [ 1030.065378][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.065378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.065378][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.065378][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.065378][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.065378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.065378][ T72] [ 1030.067366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1030.067366][ T72] dst_init+0x84/0x4a0 [ 1030.067366][ T72] dst_alloc+0x97/0x150 [ 1030.067366][ T72] ip6_dst_alloc+0x23/0x90 [ 1030.067366][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1030.067366][ T72] ip6_pol_route+0x56f/0x840 [ 1030.067366][ T72] fib6_rule_lookup+0x456/0x630 [ 1030.067366][ T72] ip6_route_input+0x59c/0xa50 [ 1030.067366][ T72] ipv6_rcv+0x397/0x810 [ 1030.067366][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1030.067366][ T72] process_backlog+0x101/0x620 [ 1030.067366][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1030.067366][ T72] net_rx_action+0x495/0xbe0 [ 1030.067366][ T72] __do_softirq+0x1b5/0x7f6 [ 1030.067366][ T72] [ 1030.069021][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1030.069021][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.069021][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.069021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.069021][ T72] ip6_route_add+0x1c/0x140 [ 1030.069021][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1030.069021][ T72] inet6_addr_add+0x4f8/0xa40 [ 1030.069021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.069021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.069021][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.069021][ T72] netlink_unicast+0x449/0x710 [ 1030.069021][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.069021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.069021][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.069021][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.069021][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.069021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.069021][ T72] [ 1030.071554][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1030.071554][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.071554][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.071554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.071554][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1030.071554][ T72] ipv6_add_addr+0x411/0x2000 [ 1030.071554][ T72] inet6_addr_add+0x30e/0xa40 [ 1030.071554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.071554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.071554][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.071554][ T72] netlink_unicast+0x449/0x710 [ 1030.071554][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.071554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.071554][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.071554][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.071554][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.071554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.071554][ T72] [ 1030.073551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1030.073551][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.073551][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.073551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.073551][ T72] ip6_route_add+0x1c/0x140 [ 1030.073551][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1030.073551][ T72] addrconf_add_dev+0xe2/0x170 [ 1030.073551][ T72] inet6_addr_add+0x12f/0xa40 [ 1030.073551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.073551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.073551][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.073551][ T72] netlink_unicast+0x449/0x710 [ 1030.073551][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.073551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.073551][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.073551][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.073551][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.073551][ T72] [ 1030.075503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1030.075503][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1030.075503][ T72] ipv6_find_idev+0x102/0x170 [ 1030.075503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.075503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.075503][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.075503][ T72] netlink_unicast+0x449/0x710 [ 1030.075503][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.075503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.075503][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.075503][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.075503][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.075503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.075503][ T72] [ 1030.077039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1030.077039][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1030.077039][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1030.077039][ T72] ipv6_find_idev+0x102/0x170 [ 1030.077039][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.077039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.077039][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.077039][ T72] netlink_unicast+0x449/0x710 [ 1030.077039][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.077039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.077039][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.077039][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.077039][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.077039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.077039][ T72] [ 1030.078730][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1030.079016][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1030.079016][ T72] dst_init+0x84/0x4a0 [ 1030.079016][ T72] dst_alloc+0x97/0x150 [ 1030.079016][ T72] ip6_dst_alloc+0x23/0x90 [ 1030.079016][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1030.079016][ T72] ip6_pol_route+0x56f/0x840 [ 1030.079016][ T72] fib6_rule_lookup+0x456/0x630 [ 1030.079016][ T72] ip6_route_input+0x59c/0xa50 [ 1030.079016][ T72] ipv6_rcv+0x397/0x810 [ 1030.079016][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1030.079016][ T72] process_backlog+0x101/0x620 [ 1030.079016][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1030.079016][ T72] net_rx_action+0x495/0xbe0 [ 1030.079016][ T72] __do_softirq+0x1b5/0x7f6 [ 1030.079016][ T72] [ 1030.080651][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1030.080651][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.080651][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.080651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.080651][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1030.080651][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1030.080651][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1030.080651][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1030.080651][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1030.080651][ T72] addrconf_dad_begin+0x310/0x670 [ 1030.080651][ T72] addrconf_dad_work+0x10b/0xab0 [ 1030.080651][ T72] process_one_work+0x84d/0x18a0 [ 1030.080651][ T72] worker_thread+0x587/0xd30 [ 1030.080651][ T72] kthread+0x28a/0x350 [ 1030.080651][ T72] ret_from_fork+0x31/0x70 [ 1030.080651][ T72] ret_from_fork_asm+0x1a/0x30 [ 1030.080651][ T72] [ 1030.082559][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1030.082559][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.082559][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.082559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.082559][ T72] ip6_route_add+0x1c/0x140 [ 1030.082559][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1030.082559][ T72] inet6_addr_add+0x4f8/0xa40 [ 1030.082559][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.082559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.082559][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.082559][ T72] netlink_unicast+0x449/0x710 [ 1030.082559][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.082559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.082559][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.082559][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.082559][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.082559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.082559][ T72] [ 1030.084568][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1030.084568][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.084568][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.084568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.084568][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1030.084568][ T72] ipv6_add_addr+0x411/0x2000 [ 1030.084568][ T72] inet6_addr_add+0x30e/0xa40 [ 1030.084568][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.084568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.084568][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.084568][ T72] netlink_unicast+0x449/0x710 [ 1030.084568][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.084568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.084568][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.084568][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.084568][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.084568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.084568][ T72] [ 1030.086562][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1030.086562][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.086562][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.086562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.086562][ T72] ip6_route_add+0x1c/0x140 [ 1030.086562][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1030.086562][ T72] addrconf_add_dev+0xe2/0x170 [ 1030.086562][ T72] inet6_addr_add+0x12f/0xa40 [ 1030.086562][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.086562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.086562][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.086562][ T72] netlink_unicast+0x449/0x710 [ 1030.086562][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.086562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.086562][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.086562][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.086562][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.086562][ T72] [ 1030.088628][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1030.088628][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1030.088628][ T72] ipv6_find_idev+0x102/0x170 [ 1030.088628][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.088628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.088628][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.088628][ T72] netlink_unicast+0x449/0x710 [ 1030.088628][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.088628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.088628][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.088628][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.088628][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.088628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.088628][ T72] [ 1030.090322][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1030.090322][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1030.090322][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1030.090322][ T72] ipv6_find_idev+0x102/0x170 [ 1030.090322][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.090322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.090322][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.090322][ T72] netlink_unicast+0x449/0x710 [ 1030.090322][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.090322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.090322][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.090322][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.090322][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.090322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.090322][ T72] [ 1030.092221][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1030.092960][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1030.092960][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1030.092960][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1030.092960][ T72] fib6_nh_init+0xa22/0x1580 [ 1030.092960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.092960][ T72] ip6_route_add+0x1c/0x140 [ 1030.092960][ T72] inet6_rtm_newroute+0x104/0x110 [ 1030.092960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.092960][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.092960][ T72] netlink_unicast+0x449/0x710 [ 1030.092960][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.092960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.092960][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.092960][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.092960][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.092960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.092960][ T72] [ 1030.095226][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1030.095226][ T72] dst_init+0x84/0x4a0 [ 1030.095226][ T72] dst_alloc+0x97/0x150 [ 1030.095226][ T72] ip6_dst_alloc+0x23/0x90 [ 1030.095226][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1030.095226][ T72] ip6_pol_route+0x56f/0x840 [ 1030.095226][ T72] fib6_rule_lookup+0x456/0x630 [ 1030.095226][ T72] ip6_route_input+0x59c/0xa50 [ 1030.095226][ T72] ipv6_rcv+0x397/0x810 [ 1030.095226][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1030.095226][ T72] process_backlog+0x101/0x620 [ 1030.095226][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1030.095226][ T72] net_rx_action+0x495/0xbe0 [ 1030.095226][ T72] __do_softirq+0x1b5/0x7f6 [ 1030.095226][ T72] [ 1030.097191][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1030.097191][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.097191][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.097191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.097191][ T72] ip6_route_add+0x1c/0x140 [ 1030.097191][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1030.097191][ T72] inet6_addr_add+0x4f8/0xa40 [ 1030.097191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.097191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.097191][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.097191][ T72] netlink_unicast+0x449/0x710 [ 1030.097191][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.097191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.097191][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.097191][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.097191][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.097191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.097191][ T72] [ 1030.099500][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1030.099500][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.099500][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.099500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.099500][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1030.099500][ T72] ipv6_add_addr+0x411/0x2000 [ 1030.099500][ T72] inet6_addr_add+0x30e/0xa40 [ 1030.099500][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.099500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.099500][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.099500][ T72] netlink_unicast+0x449/0x710 [ 1030.099500][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.099500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.099500][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.099500][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.099500][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.099500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.099500][ T72] [ 1030.101763][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1030.101763][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.101763][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.101763][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.101763][ T72] ip6_route_add+0x1c/0x140 [ 1030.101763][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1030.101763][ T72] addrconf_add_dev+0xe2/0x170 [ 1030.101763][ T72] inet6_addr_add+0x12f/0xa40 [ 1030.101763][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.101763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.101763][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.101763][ T72] netlink_unicast+0x449/0x710 [ 1030.101763][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.101763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.101763][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.101763][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.101763][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.101763][ T72] [ 1030.103973][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1030.103973][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1030.103973][ T72] ipv6_find_idev+0x102/0x170 [ 1030.103973][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.103973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.103973][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.103973][ T72] netlink_unicast+0x449/0x710 [ 1030.103973][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.103973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.103973][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.103973][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.103973][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.103973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.103973][ T72] [ 1030.105688][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1030.105688][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1030.105688][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1030.105688][ T72] ipv6_find_idev+0x102/0x170 [ 1030.105688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.105688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.105688][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.105688][ T72] netlink_unicast+0x449/0x710 [ 1030.105688][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.105688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.105688][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.105688][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.105688][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.105688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.105688][ T72] [ 1030.107601][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1030.107933][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1030.107933][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.107933][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.107933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.107933][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1030.107933][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1030.107933][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1030.107933][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1030.107933][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1030.107933][ T72] addrconf_dad_begin+0x310/0x670 [ 1030.107933][ T72] addrconf_dad_work+0x10b/0xab0 [ 1030.107933][ T72] process_one_work+0x84d/0x18a0 [ 1030.107933][ T72] worker_thread+0x587/0xd30 [ 1030.107933][ T72] kthread+0x28a/0x350 [ 1030.107933][ T72] ret_from_fork+0x31/0x70 [ 1030.107933][ T72] ret_from_fork_asm+0x1a/0x30 [ 1030.107933][ T72] [ 1030.110086][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1030.110086][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.110086][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.110086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.110086][ T72] ip6_route_add+0x1c/0x140 [ 1030.110086][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1030.110086][ T72] inet6_addr_add+0x4f8/0xa40 [ 1030.110086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.110086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.110086][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.110086][ T72] netlink_unicast+0x449/0x710 [ 1030.110086][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.110086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.110086][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.110086][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.110086][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.110086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.110086][ T72] [ 1030.112328][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1030.112328][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.112328][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.112328][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.112328][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1030.112328][ T72] ipv6_add_addr+0x411/0x2000 [ 1030.112328][ T72] inet6_addr_add+0x30e/0xa40 [ 1030.112328][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.112328][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.112328][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.112328][ T72] netlink_unicast+0x449/0x710 [ 1030.112328][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.112328][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.112328][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.112328][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.112328][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.112328][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.112328][ T72] [ 1030.114934][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1030.114934][ T72] netdev_get_by_index+0x5e/0x80 [ 1030.114934][ T72] fib6_nh_init+0x3d8/0x1580 [ 1030.114934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1030.114934][ T72] ip6_route_add+0x1c/0x140 [ 1030.114934][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1030.114934][ T72] addrconf_add_dev+0xe2/0x170 [ 1030.114934][ T72] inet6_addr_add+0x12f/0xa40 [ 1030.114934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.114934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.114934][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.114934][ T72] netlink_unicast+0x449/0x710 [ 1030.114934][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.114934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.114934][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.114934][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.114934][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.114934][ T72] [ 1030.117069][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1030.117069][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1030.117069][ T72] ipv6_find_idev+0x102/0x170 [ 1030.117069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.117069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.117069][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.117069][ T72] netlink_unicast+0x449/0x710 [ 1030.117069][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.117069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.117069][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.117069][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.117069][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.117069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.117069][ T72] [ 1030.118845][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1030.118845][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1030.118845][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1030.118845][ T72] ipv6_find_idev+0x102/0x170 [ 1030.118845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.118845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.118845][ T72] netlink_rcv_skb+0x130/0x360 [ 1030.118845][ T72] netlink_unicast+0x449/0x710 [ 1030.118845][ T72] netlink_sendmsg+0x723/0xbe0 [ 1030.118845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1030.118845][ T72] ___sys_sendmsg+0xee/0x170 [ 1030.118845][ T72] __sys_sendmsg+0xcd/0x170 [ 1030.118845][ T72] do_syscall_64+0xc6/0x1e0 [ 1030.118845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.118845][ T72] [ 1040.352925][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1040.353345][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1040.353345][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1040.353345][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1040.353345][ T72] fib6_nh_init+0xa22/0x1580 [ 1040.353345][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.353345][ T72] ip6_route_add+0x1c/0x140 [ 1040.353345][ T72] inet6_rtm_newroute+0x104/0x110 [ 1040.353345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.353345][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.353345][ T72] netlink_unicast+0x449/0x710 [ 1040.353345][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.353345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.353345][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.353345][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.353345][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.353345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.353345][ T72] [ 1040.355246][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1040.355246][ T72] dst_init+0x84/0x4a0 [ 1040.355246][ T72] dst_alloc+0x97/0x150 [ 1040.355246][ T72] ip6_dst_alloc+0x23/0x90 [ 1040.355246][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1040.355246][ T72] ip6_pol_route+0x56f/0x840 [ 1040.355246][ T72] fib6_rule_lookup+0x456/0x630 [ 1040.355246][ T72] ip6_route_input+0x59c/0xa50 [ 1040.355246][ T72] ipv6_rcv+0x397/0x810 [ 1040.355246][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1040.355246][ T72] process_backlog+0x101/0x620 [ 1040.355246][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1040.355246][ T72] net_rx_action+0x495/0xbe0 [ 1040.355246][ T72] __do_softirq+0x1b5/0x7f6 [ 1040.355246][ T72] [ 1040.356899][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1040.356899][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.356899][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.356899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.356899][ T72] ip6_route_add+0x1c/0x140 [ 1040.356899][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1040.356899][ T72] inet6_addr_add+0x4f8/0xa40 [ 1040.356899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.356899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.356899][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.356899][ T72] netlink_unicast+0x449/0x710 [ 1040.356899][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.356899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.356899][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.356899][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.356899][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.356899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.356899][ T72] [ 1040.358901][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1040.358901][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.358901][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.358901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.358901][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1040.358901][ T72] ipv6_add_addr+0x411/0x2000 [ 1040.358901][ T72] inet6_addr_add+0x30e/0xa40 [ 1040.358901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.358901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.358901][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.358901][ T72] netlink_unicast+0x449/0x710 [ 1040.358901][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.358901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.358901][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.358901][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.358901][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.358901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.358901][ T72] [ 1040.360883][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1040.360883][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.360883][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.360883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.360883][ T72] ip6_route_add+0x1c/0x140 [ 1040.360883][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1040.360883][ T72] addrconf_add_dev+0xe2/0x170 [ 1040.360883][ T72] inet6_addr_add+0x12f/0xa40 [ 1040.360883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.360883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.360883][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.360883][ T72] netlink_unicast+0x449/0x710 [ 1040.360883][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.360883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.360883][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.360883][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.360883][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.360883][ T72] [ 1040.362844][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1040.362844][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1040.362844][ T72] ipv6_find_idev+0x102/0x170 [ 1040.362844][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.362844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.362844][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.362844][ T72] netlink_unicast+0x449/0x710 [ 1040.362844][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.362844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.362844][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.362844][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.362844][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.362844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.362844][ T72] [ 1040.364374][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1040.364374][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1040.364374][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1040.364374][ T72] ipv6_find_idev+0x102/0x170 [ 1040.364374][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.364374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.364374][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.364374][ T72] netlink_unicast+0x449/0x710 [ 1040.364374][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.364374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.364374][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.364374][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.364374][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.364374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.364374][ T72] [ 1040.366189][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1040.366463][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1040.366463][ T72] dst_init+0x84/0x4a0 [ 1040.366463][ T72] dst_alloc+0x97/0x150 [ 1040.366463][ T72] ip6_dst_alloc+0x23/0x90 [ 1040.366463][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1040.366463][ T72] ip6_pol_route+0x56f/0x840 [ 1040.366463][ T72] fib6_rule_lookup+0x456/0x630 [ 1040.366463][ T72] ip6_route_input+0x59c/0xa50 [ 1040.366463][ T72] ipv6_rcv+0x397/0x810 [ 1040.366463][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1040.366463][ T72] process_backlog+0x101/0x620 [ 1040.366463][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1040.366463][ T72] net_rx_action+0x495/0xbe0 [ 1040.366463][ T72] __do_softirq+0x1b5/0x7f6 [ 1040.366463][ T72] [ 1040.368091][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1040.368091][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.368091][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.368091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.368091][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1040.368091][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1040.368091][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1040.368091][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1040.368091][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1040.368091][ T72] addrconf_dad_begin+0x310/0x670 [ 1040.368091][ T72] addrconf_dad_work+0x10b/0xab0 [ 1040.368091][ T72] process_one_work+0x84d/0x18a0 [ 1040.368091][ T72] worker_thread+0x587/0xd30 [ 1040.368091][ T72] kthread+0x28a/0x350 [ 1040.368091][ T72] ret_from_fork+0x31/0x70 [ 1040.368091][ T72] ret_from_fork_asm+0x1a/0x30 [ 1040.368091][ T72] [ 1040.370000][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1040.370000][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.370000][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.370000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.370000][ T72] ip6_route_add+0x1c/0x140 [ 1040.370000][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1040.370000][ T72] inet6_addr_add+0x4f8/0xa40 [ 1040.370000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.370000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.370000][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.370000][ T72] netlink_unicast+0x449/0x710 [ 1040.370000][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.370000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.370000][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.370000][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.370000][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.370000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.370000][ T72] [ 1040.371979][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1040.371979][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.371979][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.371979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.371979][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1040.371979][ T72] ipv6_add_addr+0x411/0x2000 [ 1040.371979][ T72] inet6_addr_add+0x30e/0xa40 [ 1040.371979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.371979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.371979][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.371979][ T72] netlink_unicast+0x449/0x710 [ 1040.371979][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.371979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.371979][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.371979][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.371979][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.371979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.371979][ T72] [ 1040.373965][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1040.373965][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.373965][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.373965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.373965][ T72] ip6_route_add+0x1c/0x140 [ 1040.373965][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1040.373965][ T72] addrconf_add_dev+0xe2/0x170 [ 1040.373965][ T72] inet6_addr_add+0x12f/0xa40 [ 1040.373965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.373965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.373965][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.373965][ T72] netlink_unicast+0x449/0x710 [ 1040.373965][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.373965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.373965][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.373965][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.373965][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.373965][ T72] [ 1040.375916][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1040.375916][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1040.375916][ T72] ipv6_find_idev+0x102/0x170 [ 1040.375916][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.375916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.375916][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.375916][ T72] netlink_unicast+0x449/0x710 [ 1040.375916][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.375916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.375916][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.375916][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.375916][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.375916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.375916][ T72] [ 1040.377457][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1040.377457][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1040.377457][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1040.377457][ T72] ipv6_find_idev+0x102/0x170 [ 1040.377457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.377457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.377457][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.377457][ T72] netlink_unicast+0x449/0x710 [ 1040.377457][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.377457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.377457][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.377457][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.377457][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.377457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.377457][ T72] [ 1040.379118][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1040.379446][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1040.379446][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1040.379446][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1040.379446][ T72] fib6_nh_init+0xa22/0x1580 [ 1040.379446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.379446][ T72] ip6_route_add+0x1c/0x140 [ 1040.379446][ T72] inet6_rtm_newroute+0x104/0x110 [ 1040.379446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.379446][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.379446][ T72] netlink_unicast+0x449/0x710 [ 1040.379446][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.379446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.379446][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.379446][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.379446][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.379446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.379446][ T72] [ 1040.381550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1040.381550][ T72] dst_init+0x84/0x4a0 [ 1040.381550][ T72] dst_alloc+0x97/0x150 [ 1040.381550][ T72] ip6_dst_alloc+0x23/0x90 [ 1040.381550][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1040.381550][ T72] ip6_pol_route+0x56f/0x840 [ 1040.381550][ T72] fib6_rule_lookup+0x456/0x630 [ 1040.381550][ T72] ip6_route_input+0x59c/0xa50 [ 1040.381550][ T72] ipv6_rcv+0x397/0x810 [ 1040.381550][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1040.381550][ T72] process_backlog+0x101/0x620 [ 1040.381550][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1040.381550][ T72] net_rx_action+0x495/0xbe0 [ 1040.381550][ T72] __do_softirq+0x1b5/0x7f6 [ 1040.381550][ T72] [ 1040.383395][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1040.383395][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.383395][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.383395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.383395][ T72] ip6_route_add+0x1c/0x140 [ 1040.383395][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1040.383395][ T72] inet6_addr_add+0x4f8/0xa40 [ 1040.383395][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.383395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.383395][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.383395][ T72] netlink_unicast+0x449/0x710 [ 1040.383395][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.383395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.383395][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.383395][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.383395][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.383395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.383395][ T72] [ 1040.385616][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1040.385616][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.385616][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.385616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.385616][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1040.385616][ T72] ipv6_add_addr+0x411/0x2000 [ 1040.385616][ T72] inet6_addr_add+0x30e/0xa40 [ 1040.385616][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.385616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.385616][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.385616][ T72] netlink_unicast+0x449/0x710 [ 1040.385616][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.385616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.385616][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.385616][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.385616][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.385616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.385616][ T72] [ 1040.387842][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1040.387842][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.387842][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.387842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.387842][ T72] ip6_route_add+0x1c/0x140 [ 1040.387842][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1040.387842][ T72] addrconf_add_dev+0xe2/0x170 [ 1040.387842][ T72] inet6_addr_add+0x12f/0xa40 [ 1040.387842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.387842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.387842][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.387842][ T72] netlink_unicast+0x449/0x710 [ 1040.387842][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.387842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.387842][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.387842][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.387842][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.387842][ T72] [ 1040.390093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1040.390093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1040.390093][ T72] ipv6_find_idev+0x102/0x170 [ 1040.390093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.390093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.390093][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.390093][ T72] netlink_unicast+0x449/0x710 [ 1040.390093][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.390093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.390093][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.390093][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.390093][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.390093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.390093][ T72] [ 1040.391738][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1040.391738][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1040.391738][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1040.391738][ T72] ipv6_find_idev+0x102/0x170 [ 1040.391738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.391738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.391738][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.391738][ T72] netlink_unicast+0x449/0x710 [ 1040.391738][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.391738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.391738][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.391738][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.391738][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.391738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.391738][ T72] [ 1040.393597][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1040.394366][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1040.394366][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.394366][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.394366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.394366][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1040.394366][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1040.394366][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1040.394366][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1040.394366][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1040.394366][ T72] addrconf_dad_begin+0x310/0x670 [ 1040.394366][ T72] addrconf_dad_work+0x10b/0xab0 [ 1040.394366][ T72] process_one_work+0x84d/0x18a0 [ 1040.394366][ T72] worker_thread+0x587/0xd30 [ 1040.394366][ T72] kthread+0x28a/0x350 [ 1040.394366][ T72] ret_from_fork+0x31/0x70 [ 1040.394366][ T72] ret_from_fork_asm+0x1a/0x30 [ 1040.394366][ T72] [ 1040.396260][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1040.396260][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.396260][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.396260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.396260][ T72] ip6_route_add+0x1c/0x140 [ 1040.396260][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1040.396260][ T72] inet6_addr_add+0x4f8/0xa40 [ 1040.396260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.396260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.396260][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.396260][ T72] netlink_unicast+0x449/0x710 [ 1040.396260][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.396260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.396260][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.396260][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.396260][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.396260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.396260][ T72] [ 1040.398302][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1040.398302][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.398302][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.398302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.398302][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1040.398302][ T72] ipv6_add_addr+0x411/0x2000 [ 1040.398302][ T72] inet6_addr_add+0x30e/0xa40 [ 1040.398302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.398302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.398302][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.398302][ T72] netlink_unicast+0x449/0x710 [ 1040.398302][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.398302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.398302][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.398302][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.398302][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.398302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.398302][ T72] [ 1040.400536][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1040.400536][ T72] netdev_get_by_index+0x5e/0x80 [ 1040.400536][ T72] fib6_nh_init+0x3d8/0x1580 [ 1040.400536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1040.400536][ T72] ip6_route_add+0x1c/0x140 [ 1040.400536][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1040.400536][ T72] addrconf_add_dev+0xe2/0x170 [ 1040.400536][ T72] inet6_addr_add+0x12f/0xa40 [ 1040.400536][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.400536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.400536][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.400536][ T72] netlink_unicast+0x449/0x710 [ 1040.400536][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.400536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.400536][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.400536][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.400536][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.400536][ T72] [ 1040.402754][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1040.402754][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1040.402754][ T72] ipv6_find_idev+0x102/0x170 [ 1040.402754][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.402754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.402754][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.402754][ T72] netlink_unicast+0x449/0x710 [ 1040.402754][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.402754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.402754][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.402754][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.402754][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.402754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.402754][ T72] [ 1040.404472][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1040.404472][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1040.404472][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1040.404472][ T72] ipv6_find_idev+0x102/0x170 [ 1040.404472][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.404472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.404472][ T72] netlink_rcv_skb+0x130/0x360 [ 1040.404472][ T72] netlink_unicast+0x449/0x710 [ 1040.404472][ T72] netlink_sendmsg+0x723/0xbe0 [ 1040.404472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1040.404472][ T72] ___sys_sendmsg+0xee/0x170 [ 1040.404472][ T72] __sys_sendmsg+0xcd/0x170 [ 1040.404472][ T72] do_syscall_64+0xc6/0x1e0 [ 1040.404472][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.404472][ T72] [ 1050.648847][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1050.649355][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1050.649355][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1050.649355][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1050.649355][ T72] fib6_nh_init+0xa22/0x1580 [ 1050.649355][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.649355][ T72] ip6_route_add+0x1c/0x140 [ 1050.649355][ T72] inet6_rtm_newroute+0x104/0x110 [ 1050.649355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.649355][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.649355][ T72] netlink_unicast+0x449/0x710 [ 1050.649355][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.649355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.649355][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.649355][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.649355][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.649355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.649355][ T72] [ 1050.651259][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1050.651259][ T72] dst_init+0x84/0x4a0 [ 1050.651259][ T72] dst_alloc+0x97/0x150 [ 1050.651259][ T72] ip6_dst_alloc+0x23/0x90 [ 1050.651259][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1050.651259][ T72] ip6_pol_route+0x56f/0x840 [ 1050.651259][ T72] fib6_rule_lookup+0x456/0x630 [ 1050.651259][ T72] ip6_route_input+0x59c/0xa50 [ 1050.651259][ T72] ipv6_rcv+0x397/0x810 [ 1050.651259][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1050.651259][ T72] process_backlog+0x101/0x620 [ 1050.651259][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1050.651259][ T72] net_rx_action+0x495/0xbe0 [ 1050.651259][ T72] __do_softirq+0x1b5/0x7f6 [ 1050.651259][ T72] [ 1050.652907][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1050.652907][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.652907][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.652907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.652907][ T72] ip6_route_add+0x1c/0x140 [ 1050.652907][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1050.652907][ T72] inet6_addr_add+0x4f8/0xa40 [ 1050.652907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.652907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.652907][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.652907][ T72] netlink_unicast+0x449/0x710 [ 1050.652907][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.652907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.652907][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.652907][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.652907][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.652907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.652907][ T72] [ 1050.655003][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1050.655003][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.655003][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.655003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.655003][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1050.655003][ T72] ipv6_add_addr+0x411/0x2000 [ 1050.655003][ T72] inet6_addr_add+0x30e/0xa40 [ 1050.655003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.655003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.655003][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.655003][ T72] netlink_unicast+0x449/0x710 [ 1050.655003][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.655003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.655003][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.655003][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.655003][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.655003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.655003][ T72] [ 1050.657012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1050.657012][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.657012][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.657012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.657012][ T72] ip6_route_add+0x1c/0x140 [ 1050.657012][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1050.657012][ T72] addrconf_add_dev+0xe2/0x170 [ 1050.657012][ T72] inet6_addr_add+0x12f/0xa40 [ 1050.657012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.657012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.657012][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.657012][ T72] netlink_unicast+0x449/0x710 [ 1050.657012][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.657012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.657012][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.657012][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.657012][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.657012][ T72] [ 1050.658996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1050.658996][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1050.658996][ T72] ipv6_find_idev+0x102/0x170 [ 1050.658996][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.658996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.658996][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.658996][ T72] netlink_unicast+0x449/0x710 [ 1050.658996][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.658996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.658996][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.658996][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.658996][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.658996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.658996][ T72] [ 1050.660537][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1050.660537][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1050.660537][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1050.660537][ T72] ipv6_find_idev+0x102/0x170 [ 1050.660537][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.660537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.660537][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.660537][ T72] netlink_unicast+0x449/0x710 [ 1050.660537][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.660537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.660537][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.660537][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.660537][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.660537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.660537][ T72] [ 1050.662250][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1050.662527][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1050.662527][ T72] dst_init+0x84/0x4a0 [ 1050.662527][ T72] dst_alloc+0x97/0x150 [ 1050.662527][ T72] ip6_dst_alloc+0x23/0x90 [ 1050.662527][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1050.662527][ T72] ip6_pol_route+0x56f/0x840 [ 1050.662527][ T72] fib6_rule_lookup+0x456/0x630 [ 1050.662527][ T72] ip6_route_input+0x59c/0xa50 [ 1050.662527][ T72] ipv6_rcv+0x397/0x810 [ 1050.662527][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1050.662527][ T72] process_backlog+0x101/0x620 [ 1050.662527][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1050.662527][ T72] net_rx_action+0x495/0xbe0 [ 1050.662527][ T72] __do_softirq+0x1b5/0x7f6 [ 1050.662527][ T72] [ 1050.664206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1050.664206][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.664206][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.664206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.664206][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1050.664206][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1050.664206][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1050.664206][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1050.664206][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1050.664206][ T72] addrconf_dad_begin+0x310/0x670 [ 1050.664206][ T72] addrconf_dad_work+0x10b/0xab0 [ 1050.664206][ T72] process_one_work+0x84d/0x18a0 [ 1050.664206][ T72] worker_thread+0x587/0xd30 [ 1050.664206][ T72] kthread+0x28a/0x350 [ 1050.664206][ T72] ret_from_fork+0x31/0x70 [ 1050.664206][ T72] ret_from_fork_asm+0x1a/0x30 [ 1050.664206][ T72] [ 1050.666117][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1050.666117][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.666117][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.666117][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.666117][ T72] ip6_route_add+0x1c/0x140 [ 1050.666117][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1050.666117][ T72] inet6_addr_add+0x4f8/0xa40 [ 1050.666117][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.666117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.666117][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.666117][ T72] netlink_unicast+0x449/0x710 [ 1050.666117][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.666117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.666117][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.666117][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.666117][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.666117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.666117][ T72] [ 1050.668116][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1050.668116][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.668116][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.668116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.668116][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1050.668116][ T72] ipv6_add_addr+0x411/0x2000 [ 1050.668116][ T72] inet6_addr_add+0x30e/0xa40 [ 1050.668116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.668116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.668116][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.668116][ T72] netlink_unicast+0x449/0x710 [ 1050.668116][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.668116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.668116][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.668116][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.668116][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.668116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.668116][ T72] [ 1050.670107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1050.670107][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.670107][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.670107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.670107][ T72] ip6_route_add+0x1c/0x140 [ 1050.670107][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1050.670107][ T72] addrconf_add_dev+0xe2/0x170 [ 1050.670107][ T72] inet6_addr_add+0x12f/0xa40 [ 1050.670107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.670107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.670107][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.670107][ T72] netlink_unicast+0x449/0x710 [ 1050.670107][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.670107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.670107][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.670107][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.670107][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.670107][ T72] [ 1050.672070][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1050.672070][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1050.672070][ T72] ipv6_find_idev+0x102/0x170 [ 1050.672070][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.672070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.672070][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.672070][ T72] netlink_unicast+0x449/0x710 [ 1050.672070][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.672070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.672070][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.672070][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.672070][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.672070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.672070][ T72] [ 1050.673614][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1050.673614][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1050.673614][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1050.673614][ T72] ipv6_find_idev+0x102/0x170 [ 1050.673614][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.673614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.673614][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.673614][ T72] netlink_unicast+0x449/0x710 [ 1050.673614][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.673614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.673614][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.673614][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.673614][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.673614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.673614][ T72] [ 1050.675538][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1050.675818][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1050.675818][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1050.675818][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1050.675818][ T72] fib6_nh_init+0xa22/0x1580 [ 1050.675818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.675818][ T72] ip6_route_add+0x1c/0x140 [ 1050.675818][ T72] inet6_rtm_newroute+0x104/0x110 [ 1050.675818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.675818][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.675818][ T72] netlink_unicast+0x449/0x710 [ 1050.675818][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.675818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.675818][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.675818][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.675818][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.675818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.675818][ T72] [ 1050.678037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1050.678037][ T72] dst_init+0x84/0x4a0 [ 1050.678037][ T72] dst_alloc+0x97/0x150 [ 1050.678037][ T72] ip6_dst_alloc+0x23/0x90 [ 1050.678037][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1050.678037][ T72] ip6_pol_route+0x56f/0x840 [ 1050.678037][ T72] fib6_rule_lookup+0x456/0x630 [ 1050.678037][ T72] ip6_route_input+0x59c/0xa50 [ 1050.678037][ T72] ipv6_rcv+0x397/0x810 [ 1050.678037][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1050.678037][ T72] process_backlog+0x101/0x620 [ 1050.678037][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1050.678037][ T72] net_rx_action+0x495/0xbe0 [ 1050.678037][ T72] __do_softirq+0x1b5/0x7f6 [ 1050.678037][ T72] [ 1050.679852][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1050.679852][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.679852][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.679852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.679852][ T72] ip6_route_add+0x1c/0x140 [ 1050.679852][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1050.679852][ T72] inet6_addr_add+0x4f8/0xa40 [ 1050.679852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.679852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.679852][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.679852][ T72] netlink_unicast+0x449/0x710 [ 1050.679852][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.679852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.679852][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.679852][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.679852][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.679852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.679852][ T72] [ 1050.682095][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1050.682095][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.682095][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.682095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.682095][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1050.682095][ T72] ipv6_add_addr+0x411/0x2000 [ 1050.682095][ T72] inet6_addr_add+0x30e/0xa40 [ 1050.682095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.682095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.682095][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.682095][ T72] netlink_unicast+0x449/0x710 [ 1050.682095][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.682095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.682095][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.682095][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.682095][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.682095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.682095][ T72] [ 1050.684291][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1050.684291][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.684291][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.684291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.684291][ T72] ip6_route_add+0x1c/0x140 [ 1050.684291][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1050.684291][ T72] addrconf_add_dev+0xe2/0x170 [ 1050.684291][ T72] inet6_addr_add+0x12f/0xa40 [ 1050.684291][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.684291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.684291][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.684291][ T72] netlink_unicast+0x449/0x710 [ 1050.684291][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.684291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.684291][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.684291][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.684291][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.684291][ T72] [ 1050.686557][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1050.686557][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1050.686557][ T72] ipv6_find_idev+0x102/0x170 [ 1050.686557][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.686557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.686557][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.686557][ T72] netlink_unicast+0x449/0x710 [ 1050.686557][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.686557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.686557][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.686557][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.686557][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.686557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.686557][ T72] [ 1050.688284][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1050.688284][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1050.688284][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1050.688284][ T72] ipv6_find_idev+0x102/0x170 [ 1050.688284][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.688284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.688284][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.688284][ T72] netlink_unicast+0x449/0x710 [ 1050.688284][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.688284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.688284][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.688284][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.688284][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.688284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.688284][ T72] [ 1050.690157][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1050.690505][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1050.690505][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.690505][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.690505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.690505][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1050.690505][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1050.690505][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1050.690505][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1050.690505][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1050.690505][ T72] addrconf_dad_begin+0x310/0x670 [ 1050.690505][ T72] addrconf_dad_work+0x10b/0xab0 [ 1050.690505][ T72] process_one_work+0x84d/0x18a0 [ 1050.690505][ T72] worker_thread+0x587/0xd30 [ 1050.690505][ T72] kthread+0x28a/0x350 [ 1050.690505][ T72] ret_from_fork+0x31/0x70 [ 1050.690505][ T72] ret_from_fork_asm+0x1a/0x30 [ 1050.690505][ T72] [ 1050.692539][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1050.692539][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.692539][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.692539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.692539][ T72] ip6_route_add+0x1c/0x140 [ 1050.692539][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1050.692539][ T72] inet6_addr_add+0x4f8/0xa40 [ 1050.692539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.692539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.692539][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.692539][ T72] netlink_unicast+0x449/0x710 [ 1050.692539][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.692539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.692539][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.692539][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.692539][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.692539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.692539][ T72] [ 1050.694791][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1050.694791][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.694791][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.694791][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.694791][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1050.694791][ T72] ipv6_add_addr+0x411/0x2000 [ 1050.694791][ T72] inet6_addr_add+0x30e/0xa40 [ 1050.694791][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.694791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.694791][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.694791][ T72] netlink_unicast+0x449/0x710 [ 1050.694791][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.694791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.694791][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.694791][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.694791][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.694791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.694791][ T72] [ 1050.697098][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1050.697098][ T72] netdev_get_by_index+0x5e/0x80 [ 1050.697098][ T72] fib6_nh_init+0x3d8/0x1580 [ 1050.697098][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1050.697098][ T72] ip6_route_add+0x1c/0x140 [ 1050.697098][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1050.697098][ T72] addrconf_add_dev+0xe2/0x170 [ 1050.697098][ T72] inet6_addr_add+0x12f/0xa40 [ 1050.697098][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.697098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.697098][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.697098][ T72] netlink_unicast+0x449/0x710 [ 1050.697098][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.697098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.697098][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.697098][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.697098][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.697098][ T72] [ 1050.699306][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1050.699306][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1050.699306][ T72] ipv6_find_idev+0x102/0x170 [ 1050.699306][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.699306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.699306][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.699306][ T72] netlink_unicast+0x449/0x710 [ 1050.699306][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.699306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.699306][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.699306][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.699306][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.699306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.699306][ T72] [ 1050.701128][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1050.701128][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1050.701128][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1050.701128][ T72] ipv6_find_idev+0x102/0x170 [ 1050.701128][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.701128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.701128][ T72] netlink_rcv_skb+0x130/0x360 [ 1050.701128][ T72] netlink_unicast+0x449/0x710 [ 1050.701128][ T72] netlink_sendmsg+0x723/0xbe0 [ 1050.701128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1050.701128][ T72] ___sys_sendmsg+0xee/0x170 [ 1050.701128][ T72] __sys_sendmsg+0xcd/0x170 [ 1050.701128][ T72] do_syscall_64+0xc6/0x1e0 [ 1050.701128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.701128][ T72] [ 1060.768931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1060.769449][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1060.769449][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1060.769449][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1060.769449][ T72] fib6_nh_init+0xa22/0x1580 [ 1060.769449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.769449][ T72] ip6_route_add+0x1c/0x140 [ 1060.769449][ T72] inet6_rtm_newroute+0x104/0x110 [ 1060.769449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.769449][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.769449][ T72] netlink_unicast+0x449/0x710 [ 1060.769449][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.769449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.769449][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.769449][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.769449][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.769449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.769449][ T72] [ 1060.771460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1060.771460][ T72] dst_init+0x84/0x4a0 [ 1060.771460][ T72] dst_alloc+0x97/0x150 [ 1060.771460][ T72] ip6_dst_alloc+0x23/0x90 [ 1060.771460][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1060.771460][ T72] ip6_pol_route+0x56f/0x840 [ 1060.771460][ T72] fib6_rule_lookup+0x456/0x630 [ 1060.771460][ T72] ip6_route_input+0x59c/0xa50 [ 1060.771460][ T72] ipv6_rcv+0x397/0x810 [ 1060.771460][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1060.771460][ T72] process_backlog+0x101/0x620 [ 1060.771460][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1060.771460][ T72] net_rx_action+0x495/0xbe0 [ 1060.771460][ T72] __do_softirq+0x1b5/0x7f6 [ 1060.771460][ T72] [ 1060.773124][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1060.773124][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.773124][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.773124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.773124][ T72] ip6_route_add+0x1c/0x140 [ 1060.773124][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1060.773124][ T72] inet6_addr_add+0x4f8/0xa40 [ 1060.773124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.773124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.773124][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.773124][ T72] netlink_unicast+0x449/0x710 [ 1060.773124][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.773124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.773124][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.773124][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.773124][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.773124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.773124][ T72] [ 1060.775132][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1060.775132][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.775132][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.775132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.775132][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1060.775132][ T72] ipv6_add_addr+0x411/0x2000 [ 1060.775132][ T72] inet6_addr_add+0x30e/0xa40 [ 1060.775132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.775132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.775132][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.775132][ T72] netlink_unicast+0x449/0x710 [ 1060.775132][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.775132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.775132][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.775132][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.775132][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.775132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.775132][ T72] [ 1060.777150][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1060.777150][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.777150][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.777150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.777150][ T72] ip6_route_add+0x1c/0x140 [ 1060.777150][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1060.777150][ T72] addrconf_add_dev+0xe2/0x170 [ 1060.777150][ T72] inet6_addr_add+0x12f/0xa40 [ 1060.777150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.777150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.777150][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.777150][ T72] netlink_unicast+0x449/0x710 [ 1060.777150][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.777150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.777150][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.777150][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.777150][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.777150][ T72] [ 1060.779128][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1060.779128][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1060.779128][ T72] ipv6_find_idev+0x102/0x170 [ 1060.779128][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.779128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.779128][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.779128][ T72] netlink_unicast+0x449/0x710 [ 1060.779128][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.779128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.779128][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.779128][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.779128][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.779128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.779128][ T72] [ 1060.780667][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1060.780667][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1060.780667][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1060.780667][ T72] ipv6_find_idev+0x102/0x170 [ 1060.780667][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.780667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.780667][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.780667][ T72] netlink_unicast+0x449/0x710 [ 1060.780667][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.780667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.780667][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.780667][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.780667][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.780667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.780667][ T72] [ 1060.782384][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1060.782683][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1060.782683][ T72] dst_init+0x84/0x4a0 [ 1060.782683][ T72] dst_alloc+0x97/0x150 [ 1060.782683][ T72] ip6_dst_alloc+0x23/0x90 [ 1060.782683][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1060.782683][ T72] ip6_pol_route+0x56f/0x840 [ 1060.782683][ T72] fib6_rule_lookup+0x456/0x630 [ 1060.782683][ T72] ip6_route_input+0x59c/0xa50 [ 1060.782683][ T72] ipv6_rcv+0x397/0x810 [ 1060.782683][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1060.782683][ T72] process_backlog+0x101/0x620 [ 1060.782683][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1060.782683][ T72] net_rx_action+0x495/0xbe0 [ 1060.782683][ T72] __do_softirq+0x1b5/0x7f6 [ 1060.782683][ T72] [ 1060.784338][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1060.784338][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.784338][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.784338][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.784338][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1060.784338][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1060.784338][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1060.784338][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1060.784338][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1060.784338][ T72] addrconf_dad_begin+0x310/0x670 [ 1060.784338][ T72] addrconf_dad_work+0x10b/0xab0 [ 1060.784338][ T72] process_one_work+0x84d/0x18a0 [ 1060.784338][ T72] worker_thread+0x587/0xd30 [ 1060.784338][ T72] kthread+0x28a/0x350 [ 1060.784338][ T72] ret_from_fork+0x31/0x70 [ 1060.784338][ T72] ret_from_fork_asm+0x1a/0x30 [ 1060.784338][ T72] [ 1060.786255][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1060.786255][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.786255][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.786255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.786255][ T72] ip6_route_add+0x1c/0x140 [ 1060.786255][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1060.786255][ T72] inet6_addr_add+0x4f8/0xa40 [ 1060.786255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.786255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.786255][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.786255][ T72] netlink_unicast+0x449/0x710 [ 1060.786255][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.786255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.786255][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.786255][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.786255][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.786255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.786255][ T72] [ 1060.788260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1060.788260][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.788260][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.788260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.788260][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1060.788260][ T72] ipv6_add_addr+0x411/0x2000 [ 1060.788260][ T72] inet6_addr_add+0x30e/0xa40 [ 1060.788260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.788260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.788260][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.788260][ T72] netlink_unicast+0x449/0x710 [ 1060.788260][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.788260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.788260][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.788260][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.788260][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.788260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.788260][ T72] [ 1060.790273][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1060.790273][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.790273][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.790273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.790273][ T72] ip6_route_add+0x1c/0x140 [ 1060.790273][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1060.790273][ T72] addrconf_add_dev+0xe2/0x170 [ 1060.790273][ T72] inet6_addr_add+0x12f/0xa40 [ 1060.790273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.790273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.790273][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.790273][ T72] netlink_unicast+0x449/0x710 [ 1060.790273][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.790273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.790273][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.790273][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.790273][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.790273][ T72] [ 1060.792243][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1060.792243][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1060.792243][ T72] ipv6_find_idev+0x102/0x170 [ 1060.792243][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.792243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.792243][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.792243][ T72] netlink_unicast+0x449/0x710 [ 1060.792243][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.792243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.792243][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.792243][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.792243][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.792243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.792243][ T72] [ 1060.793793][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1060.793793][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1060.793793][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1060.793793][ T72] ipv6_find_idev+0x102/0x170 [ 1060.793793][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.793793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.793793][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.793793][ T72] netlink_unicast+0x449/0x710 [ 1060.793793][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.793793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.793793][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.793793][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.793793][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.793793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.793793][ T72] [ 1060.795627][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1060.795919][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1060.795919][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1060.795919][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1060.795919][ T72] fib6_nh_init+0xa22/0x1580 [ 1060.795919][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.795919][ T72] ip6_route_add+0x1c/0x140 [ 1060.795919][ T72] inet6_rtm_newroute+0x104/0x110 [ 1060.795919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.795919][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.795919][ T72] netlink_unicast+0x449/0x710 [ 1060.795919][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.795919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.795919][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.795919][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.795919][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.795919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.795919][ T72] [ 1060.798118][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1060.798118][ T72] dst_init+0x84/0x4a0 [ 1060.798118][ T72] dst_alloc+0x97/0x150 [ 1060.798118][ T72] ip6_dst_alloc+0x23/0x90 [ 1060.798118][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1060.798118][ T72] ip6_pol_route+0x56f/0x840 [ 1060.798118][ T72] fib6_rule_lookup+0x456/0x630 [ 1060.798118][ T72] ip6_route_input+0x59c/0xa50 [ 1060.798118][ T72] ipv6_rcv+0x397/0x810 [ 1060.798118][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1060.798118][ T72] process_backlog+0x101/0x620 [ 1060.798118][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1060.798118][ T72] net_rx_action+0x495/0xbe0 [ 1060.798118][ T72] __do_softirq+0x1b5/0x7f6 [ 1060.798118][ T72] [ 1060.799943][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1060.799943][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.799943][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.799943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.799943][ T72] ip6_route_add+0x1c/0x140 [ 1060.799943][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1060.799943][ T72] inet6_addr_add+0x4f8/0xa40 [ 1060.799943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.799943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.799943][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.799943][ T72] netlink_unicast+0x449/0x710 [ 1060.799943][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.799943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.799943][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.799943][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.799943][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.799943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.799943][ T72] [ 1060.802203][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1060.802203][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.802203][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.802203][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.802203][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1060.802203][ T72] ipv6_add_addr+0x411/0x2000 [ 1060.802203][ T72] inet6_addr_add+0x30e/0xa40 [ 1060.802203][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.802203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.802203][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.802203][ T72] netlink_unicast+0x449/0x710 [ 1060.802203][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.802203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.802203][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.802203][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.802203][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.802203][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.802203][ T72] [ 1060.804401][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1060.804401][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.804401][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.804401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.804401][ T72] ip6_route_add+0x1c/0x140 [ 1060.804401][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1060.804401][ T72] addrconf_add_dev+0xe2/0x170 [ 1060.804401][ T72] inet6_addr_add+0x12f/0xa40 [ 1060.804401][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.804401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.804401][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.804401][ T72] netlink_unicast+0x449/0x710 [ 1060.804401][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.804401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.804401][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.804401][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.804401][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.804401][ T72] [ 1060.806672][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1060.806672][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1060.806672][ T72] ipv6_find_idev+0x102/0x170 [ 1060.806672][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.806672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.806672][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.806672][ T72] netlink_unicast+0x449/0x710 [ 1060.806672][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.806672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.806672][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.806672][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.806672][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.806672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.806672][ T72] [ 1060.808402][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1060.808402][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1060.808402][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1060.808402][ T72] ipv6_find_idev+0x102/0x170 [ 1060.808402][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.808402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.808402][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.808402][ T72] netlink_unicast+0x449/0x710 [ 1060.808402][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.808402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.808402][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.808402][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.808402][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.808402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.808402][ T72] [ 1060.810293][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1060.810656][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1060.810656][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.810656][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.810656][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.810656][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1060.810656][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1060.810656][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1060.810656][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1060.810656][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1060.810656][ T72] addrconf_dad_begin+0x310/0x670 [ 1060.810656][ T72] addrconf_dad_work+0x10b/0xab0 [ 1060.810656][ T72] process_one_work+0x84d/0x18a0 [ 1060.810656][ T72] worker_thread+0x587/0xd30 [ 1060.810656][ T72] kthread+0x28a/0x350 [ 1060.810656][ T72] ret_from_fork+0x31/0x70 [ 1060.810656][ T72] ret_from_fork_asm+0x1a/0x30 [ 1060.810656][ T72] [ 1060.812701][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1060.812701][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.812701][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.812701][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.812701][ T72] ip6_route_add+0x1c/0x140 [ 1060.812701][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1060.812701][ T72] inet6_addr_add+0x4f8/0xa40 [ 1060.812701][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.812701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.812701][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.812701][ T72] netlink_unicast+0x449/0x710 [ 1060.812701][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.812701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.812701][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.812701][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.812701][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.812701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.812701][ T72] [ 1060.815490][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1060.815490][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.815490][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.815490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.815490][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1060.815490][ T72] ipv6_add_addr+0x411/0x2000 [ 1060.815490][ T72] inet6_addr_add+0x30e/0xa40 [ 1060.815490][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.815490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.815490][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.815490][ T72] netlink_unicast+0x449/0x710 [ 1060.815490][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.815490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.815490][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.815490][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.815490][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.815490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.815490][ T72] [ 1060.817800][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1060.817800][ T72] netdev_get_by_index+0x5e/0x80 [ 1060.817800][ T72] fib6_nh_init+0x3d8/0x1580 [ 1060.817800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1060.817800][ T72] ip6_route_add+0x1c/0x140 [ 1060.817800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1060.817800][ T72] addrconf_add_dev+0xe2/0x170 [ 1060.817800][ T72] inet6_addr_add+0x12f/0xa40 [ 1060.817800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.817800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.817800][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.817800][ T72] netlink_unicast+0x449/0x710 [ 1060.817800][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.817800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.817800][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.817800][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.817800][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.817800][ T72] [ 1060.820026][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1060.820026][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1060.820026][ T72] ipv6_find_idev+0x102/0x170 [ 1060.820026][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.820026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.820026][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.820026][ T72] netlink_unicast+0x449/0x710 [ 1060.820026][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.820026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.820026][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.820026][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.820026][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.820026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.820026][ T72] [ 1060.821894][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1060.821894][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1060.821894][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1060.821894][ T72] ipv6_find_idev+0x102/0x170 [ 1060.821894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.821894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.821894][ T72] netlink_rcv_skb+0x130/0x360 [ 1060.821894][ T72] netlink_unicast+0x449/0x710 [ 1060.821894][ T72] netlink_sendmsg+0x723/0xbe0 [ 1060.821894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1060.821894][ T72] ___sys_sendmsg+0xee/0x170 [ 1060.821894][ T72] __sys_sendmsg+0xcd/0x170 [ 1060.821894][ T72] do_syscall_64+0xc6/0x1e0 [ 1060.821894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.821894][ T72] [ 1071.032893][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1071.033403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1071.033403][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1071.033403][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1071.033403][ T72] fib6_nh_init+0xa22/0x1580 [ 1071.033403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.033403][ T72] ip6_route_add+0x1c/0x140 [ 1071.033403][ T72] inet6_rtm_newroute+0x104/0x110 [ 1071.033403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.033403][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.033403][ T72] netlink_unicast+0x449/0x710 [ 1071.033403][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.033403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.033403][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.033403][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.033403][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.033403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.033403][ T72] [ 1071.035351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1071.035351][ T72] dst_init+0x84/0x4a0 [ 1071.035351][ T72] dst_alloc+0x97/0x150 [ 1071.035351][ T72] ip6_dst_alloc+0x23/0x90 [ 1071.035351][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1071.035351][ T72] ip6_pol_route+0x56f/0x840 [ 1071.035351][ T72] fib6_rule_lookup+0x456/0x630 [ 1071.035351][ T72] ip6_route_input+0x59c/0xa50 [ 1071.035351][ T72] ipv6_rcv+0x397/0x810 [ 1071.035351][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1071.035351][ T72] process_backlog+0x101/0x620 [ 1071.035351][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1071.035351][ T72] net_rx_action+0x495/0xbe0 [ 1071.035351][ T72] __do_softirq+0x1b5/0x7f6 [ 1071.035351][ T72] [ 1071.037021][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1071.037021][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.037021][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.037021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.037021][ T72] ip6_route_add+0x1c/0x140 [ 1071.037021][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1071.037021][ T72] inet6_addr_add+0x4f8/0xa40 [ 1071.037021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.037021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.037021][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.037021][ T72] netlink_unicast+0x449/0x710 [ 1071.037021][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.037021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.037021][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.037021][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.037021][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.037021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.037021][ T72] [ 1071.039461][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1071.039461][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.039461][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.039461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.039461][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1071.039461][ T72] ipv6_add_addr+0x411/0x2000 [ 1071.039461][ T72] inet6_addr_add+0x30e/0xa40 [ 1071.039461][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.039461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.039461][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.039461][ T72] netlink_unicast+0x449/0x710 [ 1071.039461][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.039461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.039461][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.039461][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.039461][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.039461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.039461][ T72] [ 1071.041787][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1071.041787][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.041787][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.041787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.041787][ T72] ip6_route_add+0x1c/0x140 [ 1071.041787][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1071.041787][ T72] addrconf_add_dev+0xe2/0x170 [ 1071.041787][ T72] inet6_addr_add+0x12f/0xa40 [ 1071.041787][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.041787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.041787][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.041787][ T72] netlink_unicast+0x449/0x710 [ 1071.041787][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.041787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.041787][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.041787][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.041787][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.041787][ T72] [ 1071.043802][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1071.043802][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1071.043802][ T72] ipv6_find_idev+0x102/0x170 [ 1071.043802][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.043802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.043802][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.043802][ T72] netlink_unicast+0x449/0x710 [ 1071.043802][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.043802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.043802][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.043802][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.043802][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.043802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.043802][ T72] [ 1071.045356][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1071.045356][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1071.045356][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1071.045356][ T72] ipv6_find_idev+0x102/0x170 [ 1071.045356][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.045356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.045356][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.045356][ T72] netlink_unicast+0x449/0x710 [ 1071.045356][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.045356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.045356][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.045356][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.045356][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.045356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.045356][ T72] [ 1071.047286][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1071.047729][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1071.047729][ T72] dst_init+0x84/0x4a0 [ 1071.047729][ T72] dst_alloc+0x97/0x150 [ 1071.047729][ T72] ip6_dst_alloc+0x23/0x90 [ 1071.047729][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1071.047729][ T72] ip6_pol_route+0x56f/0x840 [ 1071.047729][ T72] fib6_rule_lookup+0x456/0x630 [ 1071.047729][ T72] ip6_route_input+0x59c/0xa50 [ 1071.047729][ T72] ipv6_rcv+0x397/0x810 [ 1071.047729][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1071.047729][ T72] process_backlog+0x101/0x620 [ 1071.047729][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1071.047729][ T72] net_rx_action+0x495/0xbe0 [ 1071.047729][ T72] __do_softirq+0x1b5/0x7f6 [ 1071.047729][ T72] [ 1071.049600][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1071.049600][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.049600][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.049600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.049600][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1071.049600][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1071.049600][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1071.049600][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1071.049600][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1071.049600][ T72] addrconf_dad_begin+0x310/0x670 [ 1071.049600][ T72] addrconf_dad_work+0x10b/0xab0 [ 1071.049600][ T72] process_one_work+0x84d/0x18a0 [ 1071.049600][ T72] worker_thread+0x587/0xd30 [ 1071.049600][ T72] kthread+0x28a/0x350 [ 1071.049600][ T72] ret_from_fork+0x31/0x70 [ 1071.049600][ T72] ret_from_fork_asm+0x1a/0x30 [ 1071.049600][ T72] [ 1071.051550][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1071.051550][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.051550][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.051550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.051550][ T72] ip6_route_add+0x1c/0x140 [ 1071.051550][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1071.051550][ T72] inet6_addr_add+0x4f8/0xa40 [ 1071.051550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.051550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.051550][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.051550][ T72] netlink_unicast+0x449/0x710 [ 1071.051550][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.051550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.051550][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.051550][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.051550][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.051550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.051550][ T72] [ 1071.053597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1071.053597][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.053597][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.053597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.053597][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1071.053597][ T72] ipv6_add_addr+0x411/0x2000 [ 1071.053597][ T72] inet6_addr_add+0x30e/0xa40 [ 1071.053597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.053597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.053597][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.053597][ T72] netlink_unicast+0x449/0x710 [ 1071.053597][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.053597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.053597][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.053597][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.053597][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.053597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.053597][ T72] [ 1071.055621][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1071.055621][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.055621][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.055621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.055621][ T72] ip6_route_add+0x1c/0x140 [ 1071.055621][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1071.055621][ T72] addrconf_add_dev+0xe2/0x170 [ 1071.055621][ T72] inet6_addr_add+0x12f/0xa40 [ 1071.055621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.055621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.055621][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.055621][ T72] netlink_unicast+0x449/0x710 [ 1071.055621][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.055621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.055621][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.055621][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.055621][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.055621][ T72] [ 1071.057746][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1071.057746][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1071.057746][ T72] ipv6_find_idev+0x102/0x170 [ 1071.057746][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.057746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.057746][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.057746][ T72] netlink_unicast+0x449/0x710 [ 1071.057746][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.057746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.057746][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.057746][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.057746][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.057746][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.057746][ T72] [ 1071.059316][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1071.059316][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1071.059316][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1071.059316][ T72] ipv6_find_idev+0x102/0x170 [ 1071.059316][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.059316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.059316][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.059316][ T72] netlink_unicast+0x449/0x710 [ 1071.059316][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.059316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.059316][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.059316][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.059316][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.059316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.059316][ T72] [ 1071.061171][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1071.061448][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1071.061448][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1071.061448][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1071.061448][ T72] fib6_nh_init+0xa22/0x1580 [ 1071.061448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.061448][ T72] ip6_route_add+0x1c/0x140 [ 1071.061448][ T72] inet6_rtm_newroute+0x104/0x110 [ 1071.061448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.061448][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.061448][ T72] netlink_unicast+0x449/0x710 [ 1071.061448][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.061448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.061448][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.061448][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.061448][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.061448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.061448][ T72] [ 1071.064004][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1071.064004][ T72] dst_init+0x84/0x4a0 [ 1071.064004][ T72] dst_alloc+0x97/0x150 [ 1071.064004][ T72] ip6_dst_alloc+0x23/0x90 [ 1071.064004][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1071.064004][ T72] ip6_pol_route+0x56f/0x840 [ 1071.064004][ T72] fib6_rule_lookup+0x456/0x630 [ 1071.064004][ T72] ip6_route_input+0x59c/0xa50 [ 1071.064004][ T72] ipv6_rcv+0x397/0x810 [ 1071.064004][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1071.064004][ T72] process_backlog+0x101/0x620 [ 1071.064004][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1071.064004][ T72] net_rx_action+0x495/0xbe0 [ 1071.064004][ T72] __do_softirq+0x1b5/0x7f6 [ 1071.064004][ T72] [ 1071.065716][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1071.065716][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.065716][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.065716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.065716][ T72] ip6_route_add+0x1c/0x140 [ 1071.065716][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1071.065716][ T72] inet6_addr_add+0x4f8/0xa40 [ 1071.065716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.065716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.065716][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.065716][ T72] netlink_unicast+0x449/0x710 [ 1071.065716][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.065716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.065716][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.065716][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.065716][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.065716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.065716][ T72] [ 1071.067854][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1071.067854][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.067854][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.067854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.067854][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1071.067854][ T72] ipv6_add_addr+0x411/0x2000 [ 1071.067854][ T72] inet6_addr_add+0x30e/0xa40 [ 1071.067854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.067854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.067854][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.067854][ T72] netlink_unicast+0x449/0x710 [ 1071.067854][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.067854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.067854][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.067854][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.067854][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.067854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.067854][ T72] [ 1071.069982][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1071.069982][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.069982][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.069982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.069982][ T72] ip6_route_add+0x1c/0x140 [ 1071.069982][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1071.069982][ T72] addrconf_add_dev+0xe2/0x170 [ 1071.069982][ T72] inet6_addr_add+0x12f/0xa40 [ 1071.069982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.069982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.069982][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.069982][ T72] netlink_unicast+0x449/0x710 [ 1071.069982][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.069982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.069982][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.069982][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.069982][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.069982][ T72] [ 1071.072144][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1071.072144][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1071.072144][ T72] ipv6_find_idev+0x102/0x170 [ 1071.072144][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.072144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.072144][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.072144][ T72] netlink_unicast+0x449/0x710 [ 1071.072144][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.072144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.072144][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.072144][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.072144][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.072144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.072144][ T72] [ 1071.073764][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1071.073764][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1071.073764][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1071.073764][ T72] ipv6_find_idev+0x102/0x170 [ 1071.073764][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.073764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.073764][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.073764][ T72] netlink_unicast+0x449/0x710 [ 1071.073764][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.073764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.073764][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.073764][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.073764][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.073764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.073764][ T72] [ 1071.075616][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1071.076341][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1071.076341][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.076341][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.076341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.076341][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1071.076341][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1071.076341][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1071.076341][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1071.076341][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1071.076341][ T72] addrconf_dad_begin+0x310/0x670 [ 1071.076341][ T72] addrconf_dad_work+0x10b/0xab0 [ 1071.076341][ T72] process_one_work+0x84d/0x18a0 [ 1071.076341][ T72] worker_thread+0x587/0xd30 [ 1071.076341][ T72] kthread+0x28a/0x350 [ 1071.076341][ T72] ret_from_fork+0x31/0x70 [ 1071.076341][ T72] ret_from_fork_asm+0x1a/0x30 [ 1071.076341][ T72] [ 1071.078258][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1071.078258][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.078258][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.078258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.078258][ T72] ip6_route_add+0x1c/0x140 [ 1071.078258][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1071.078258][ T72] inet6_addr_add+0x4f8/0xa40 [ 1071.078258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.078258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.078258][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.078258][ T72] netlink_unicast+0x449/0x710 [ 1071.078258][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.078258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.078258][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.078258][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.078258][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.078258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.078258][ T72] [ 1071.080357][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1071.080357][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.080357][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.080357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.080357][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1071.080357][ T72] ipv6_add_addr+0x411/0x2000 [ 1071.080357][ T72] inet6_addr_add+0x30e/0xa40 [ 1071.080357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.080357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.080357][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.080357][ T72] netlink_unicast+0x449/0x710 [ 1071.080357][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.080357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.080357][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.080357][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.080357][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.080357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.080357][ T72] [ 1071.082668][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1071.082668][ T72] netdev_get_by_index+0x5e/0x80 [ 1071.082668][ T72] fib6_nh_init+0x3d8/0x1580 [ 1071.082668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1071.082668][ T72] ip6_route_add+0x1c/0x140 [ 1071.082668][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1071.082668][ T72] addrconf_add_dev+0xe2/0x170 [ 1071.082668][ T72] inet6_addr_add+0x12f/0xa40 [ 1071.082668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.082668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.082668][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.082668][ T72] netlink_unicast+0x449/0x710 [ 1071.082668][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.082668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.082668][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.082668][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.082668][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.082668][ T72] [ 1071.085056][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1071.085056][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1071.085056][ T72] ipv6_find_idev+0x102/0x170 [ 1071.085056][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.085056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.085056][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.085056][ T72] netlink_unicast+0x449/0x710 [ 1071.085056][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.085056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.085056][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.085056][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.085056][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.085056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.085056][ T72] [ 1071.086867][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1071.086867][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1071.086867][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1071.086867][ T72] ipv6_find_idev+0x102/0x170 [ 1071.086867][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.086867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.086867][ T72] netlink_rcv_skb+0x130/0x360 [ 1071.086867][ T72] netlink_unicast+0x449/0x710 [ 1071.086867][ T72] netlink_sendmsg+0x723/0xbe0 [ 1071.086867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1071.086867][ T72] ___sys_sendmsg+0xee/0x170 [ 1071.086867][ T72] __sys_sendmsg+0xcd/0x170 [ 1071.086867][ T72] do_syscall_64+0xc6/0x1e0 [ 1071.086867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.086867][ T72] [ 1081.168936][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1081.169459][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1081.169459][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1081.169459][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1081.169459][ T72] fib6_nh_init+0xa22/0x1580 [ 1081.169459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.169459][ T72] ip6_route_add+0x1c/0x140 [ 1081.169459][ T72] inet6_rtm_newroute+0x104/0x110 [ 1081.169459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.169459][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.169459][ T72] netlink_unicast+0x449/0x710 [ 1081.169459][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.169459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.169459][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.169459][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.169459][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.169459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.169459][ T72] [ 1081.171374][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1081.171374][ T72] dst_init+0x84/0x4a0 [ 1081.171374][ T72] dst_alloc+0x97/0x150 [ 1081.171374][ T72] ip6_dst_alloc+0x23/0x90 [ 1081.171374][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1081.171374][ T72] ip6_pol_route+0x56f/0x840 [ 1081.171374][ T72] fib6_rule_lookup+0x456/0x630 [ 1081.171374][ T72] ip6_route_input+0x59c/0xa50 [ 1081.171374][ T72] ipv6_rcv+0x397/0x810 [ 1081.171374][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1081.171374][ T72] process_backlog+0x101/0x620 [ 1081.171374][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1081.171374][ T72] net_rx_action+0x495/0xbe0 [ 1081.171374][ T72] __do_softirq+0x1b5/0x7f6 [ 1081.171374][ T72] [ 1081.173054][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1081.173054][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.173054][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.173054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.173054][ T72] ip6_route_add+0x1c/0x140 [ 1081.173054][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1081.173054][ T72] inet6_addr_add+0x4f8/0xa40 [ 1081.173054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.173054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.173054][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.173054][ T72] netlink_unicast+0x449/0x710 [ 1081.173054][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.173054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.173054][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.173054][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.173054][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.173054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.173054][ T72] [ 1081.175196][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1081.175196][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.175196][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.175196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.175196][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1081.175196][ T72] ipv6_add_addr+0x411/0x2000 [ 1081.175196][ T72] inet6_addr_add+0x30e/0xa40 [ 1081.175196][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.175196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.175196][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.175196][ T72] netlink_unicast+0x449/0x710 [ 1081.175196][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.175196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.175196][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.175196][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.175196][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.175196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.175196][ T72] [ 1081.177201][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1081.177201][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.177201][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.177201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.177201][ T72] ip6_route_add+0x1c/0x140 [ 1081.177201][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1081.177201][ T72] addrconf_add_dev+0xe2/0x170 [ 1081.177201][ T72] inet6_addr_add+0x12f/0xa40 [ 1081.177201][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.177201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.177201][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.177201][ T72] netlink_unicast+0x449/0x710 [ 1081.177201][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.177201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.177201][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.177201][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.177201][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.177201][ T72] [ 1081.179192][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1081.179192][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1081.179192][ T72] ipv6_find_idev+0x102/0x170 [ 1081.179192][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.179192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.179192][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.179192][ T72] netlink_unicast+0x449/0x710 [ 1081.179192][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.179192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.179192][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.179192][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.179192][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.179192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.179192][ T72] [ 1081.180740][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1081.180740][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1081.180740][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1081.180740][ T72] ipv6_find_idev+0x102/0x170 [ 1081.180740][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.180740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.180740][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.180740][ T72] netlink_unicast+0x449/0x710 [ 1081.180740][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.180740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.180740][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.180740][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.180740][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.180740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.180740][ T72] [ 1081.182450][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1081.182741][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1081.182741][ T72] dst_init+0x84/0x4a0 [ 1081.182741][ T72] dst_alloc+0x97/0x150 [ 1081.182741][ T72] ip6_dst_alloc+0x23/0x90 [ 1081.182741][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1081.182741][ T72] ip6_pol_route+0x56f/0x840 [ 1081.182741][ T72] fib6_rule_lookup+0x456/0x630 [ 1081.182741][ T72] ip6_route_input+0x59c/0xa50 [ 1081.182741][ T72] ipv6_rcv+0x397/0x810 [ 1081.182741][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1081.182741][ T72] process_backlog+0x101/0x620 [ 1081.182741][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1081.182741][ T72] net_rx_action+0x495/0xbe0 [ 1081.182741][ T72] __do_softirq+0x1b5/0x7f6 [ 1081.182741][ T72] [ 1081.184420][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1081.184420][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.184420][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.184420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.184420][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1081.184420][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1081.184420][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1081.184420][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1081.184420][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1081.184420][ T72] addrconf_dad_begin+0x310/0x670 [ 1081.184420][ T72] addrconf_dad_work+0x10b/0xab0 [ 1081.184420][ T72] process_one_work+0x84d/0x18a0 [ 1081.184420][ T72] worker_thread+0x587/0xd30 [ 1081.184420][ T72] kthread+0x28a/0x350 [ 1081.184420][ T72] ret_from_fork+0x31/0x70 [ 1081.184420][ T72] ret_from_fork_asm+0x1a/0x30 [ 1081.184420][ T72] [ 1081.186363][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1081.186363][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.186363][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.186363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.186363][ T72] ip6_route_add+0x1c/0x140 [ 1081.186363][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1081.186363][ T72] inet6_addr_add+0x4f8/0xa40 [ 1081.186363][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.186363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.186363][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.186363][ T72] netlink_unicast+0x449/0x710 [ 1081.186363][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.186363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.186363][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.186363][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.186363][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.186363][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.186363][ T72] [ 1081.188396][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1081.188396][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.188396][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.188396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.188396][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1081.188396][ T72] ipv6_add_addr+0x411/0x2000 [ 1081.188396][ T72] inet6_addr_add+0x30e/0xa40 [ 1081.188396][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.188396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.188396][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.188396][ T72] netlink_unicast+0x449/0x710 [ 1081.188396][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.188396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.188396][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.188396][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.188396][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.188396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.188396][ T72] [ 1081.190404][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1081.190404][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.190404][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.190404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.190404][ T72] ip6_route_add+0x1c/0x140 [ 1081.190404][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1081.190404][ T72] addrconf_add_dev+0xe2/0x170 [ 1081.190404][ T72] inet6_addr_add+0x12f/0xa40 [ 1081.190404][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.190404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.190404][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.190404][ T72] netlink_unicast+0x449/0x710 [ 1081.190404][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.190404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.190404][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.190404][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.190404][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.190404][ T72] [ 1081.192397][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1081.192397][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1081.192397][ T72] ipv6_find_idev+0x102/0x170 [ 1081.192397][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.192397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.192397][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.192397][ T72] netlink_unicast+0x449/0x710 [ 1081.192397][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.192397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.192397][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.192397][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.192397][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.192397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.192397][ T72] [ 1081.193970][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1081.193970][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1081.193970][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1081.193970][ T72] ipv6_find_idev+0x102/0x170 [ 1081.193970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.193970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.193970][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.193970][ T72] netlink_unicast+0x449/0x710 [ 1081.193970][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.193970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.193970][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.193970][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.193970][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.193970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.193970][ T72] [ 1081.195831][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1081.196121][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1081.196121][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1081.196121][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1081.196121][ T72] fib6_nh_init+0xa22/0x1580 [ 1081.196121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.196121][ T72] ip6_route_add+0x1c/0x140 [ 1081.196121][ T72] inet6_rtm_newroute+0x104/0x110 [ 1081.196121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.196121][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.196121][ T72] netlink_unicast+0x449/0x710 [ 1081.196121][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.196121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.196121][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.196121][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.196121][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.196121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.196121][ T72] [ 1081.198316][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1081.198316][ T72] dst_init+0x84/0x4a0 [ 1081.198316][ T72] dst_alloc+0x97/0x150 [ 1081.198316][ T72] ip6_dst_alloc+0x23/0x90 [ 1081.198316][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1081.198316][ T72] ip6_pol_route+0x56f/0x840 [ 1081.198316][ T72] fib6_rule_lookup+0x456/0x630 [ 1081.198316][ T72] ip6_route_input+0x59c/0xa50 [ 1081.198316][ T72] ipv6_rcv+0x397/0x810 [ 1081.198316][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1081.198316][ T72] process_backlog+0x101/0x620 [ 1081.198316][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1081.198316][ T72] net_rx_action+0x495/0xbe0 [ 1081.198316][ T72] __do_softirq+0x1b5/0x7f6 [ 1081.198316][ T72] [ 1081.200169][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1081.200169][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.200169][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.200169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.200169][ T72] ip6_route_add+0x1c/0x140 [ 1081.200169][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1081.200169][ T72] inet6_addr_add+0x4f8/0xa40 [ 1081.200169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.200169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.200169][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.200169][ T72] netlink_unicast+0x449/0x710 [ 1081.200169][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.200169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.200169][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.200169][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.200169][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.200169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.200169][ T72] [ 1081.202420][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1081.202420][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.202420][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.202420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.202420][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1081.202420][ T72] ipv6_add_addr+0x411/0x2000 [ 1081.202420][ T72] inet6_addr_add+0x30e/0xa40 [ 1081.202420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.202420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.202420][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.202420][ T72] netlink_unicast+0x449/0x710 [ 1081.202420][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.202420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.202420][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.202420][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.202420][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.202420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.202420][ T72] [ 1081.204641][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1081.204641][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.204641][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.204641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.204641][ T72] ip6_route_add+0x1c/0x140 [ 1081.204641][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1081.204641][ T72] addrconf_add_dev+0xe2/0x170 [ 1081.204641][ T72] inet6_addr_add+0x12f/0xa40 [ 1081.204641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.204641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.204641][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.204641][ T72] netlink_unicast+0x449/0x710 [ 1081.204641][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.204641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.204641][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.204641][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.204641][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.204641][ T72] [ 1081.206933][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1081.206933][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1081.206933][ T72] ipv6_find_idev+0x102/0x170 [ 1081.206933][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.206933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.206933][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.206933][ T72] netlink_unicast+0x449/0x710 [ 1081.206933][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.206933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.206933][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.206933][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.206933][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.206933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.206933][ T72] [ 1081.208760][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1081.208760][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1081.208760][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1081.208760][ T72] ipv6_find_idev+0x102/0x170 [ 1081.208760][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.208760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.208760][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.208760][ T72] netlink_unicast+0x449/0x710 [ 1081.208760][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.208760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.208760][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.208760][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.208760][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.208760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.208760][ T72] [ 1081.210637][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1081.211449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1081.211449][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.211449][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.211449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.211449][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1081.211449][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1081.211449][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1081.211449][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1081.211449][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1081.211449][ T72] addrconf_dad_begin+0x310/0x670 [ 1081.211449][ T72] addrconf_dad_work+0x10b/0xab0 [ 1081.211449][ T72] process_one_work+0x84d/0x18a0 [ 1081.211449][ T72] worker_thread+0x587/0xd30 [ 1081.211449][ T72] kthread+0x28a/0x350 [ 1081.211449][ T72] ret_from_fork+0x31/0x70 [ 1081.211449][ T72] ret_from_fork_asm+0x1a/0x30 [ 1081.211449][ T72] [ 1081.213390][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1081.213390][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.213390][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.213390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.213390][ T72] ip6_route_add+0x1c/0x140 [ 1081.213390][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1081.213390][ T72] inet6_addr_add+0x4f8/0xa40 [ 1081.213390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.213390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.213390][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.213390][ T72] netlink_unicast+0x449/0x710 [ 1081.213390][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.213390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.213390][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.213390][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.213390][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.213390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.213390][ T72] [ 1081.215410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1081.215410][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.215410][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.215410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.215410][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1081.215410][ T72] ipv6_add_addr+0x411/0x2000 [ 1081.215410][ T72] inet6_addr_add+0x30e/0xa40 [ 1081.215410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.215410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.215410][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.215410][ T72] netlink_unicast+0x449/0x710 [ 1081.215410][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.215410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.215410][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.215410][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.215410][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.215410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.215410][ T72] [ 1081.217673][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1081.217673][ T72] netdev_get_by_index+0x5e/0x80 [ 1081.217673][ T72] fib6_nh_init+0x3d8/0x1580 [ 1081.217673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1081.217673][ T72] ip6_route_add+0x1c/0x140 [ 1081.217673][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1081.217673][ T72] addrconf_add_dev+0xe2/0x170 [ 1081.217673][ T72] inet6_addr_add+0x12f/0xa40 [ 1081.217673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.217673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.217673][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.217673][ T72] netlink_unicast+0x449/0x710 [ 1081.217673][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.217673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.217673][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.217673][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.217673][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.217673][ T72] [ 1081.219967][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1081.219967][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1081.219967][ T72] ipv6_find_idev+0x102/0x170 [ 1081.219967][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.219967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.219967][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.219967][ T72] netlink_unicast+0x449/0x710 [ 1081.219967][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.219967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.219967][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.219967][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.219967][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.219967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.219967][ T72] [ 1081.221704][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1081.221704][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1081.221704][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1081.221704][ T72] ipv6_find_idev+0x102/0x170 [ 1081.221704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.221704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.221704][ T72] netlink_rcv_skb+0x130/0x360 [ 1081.221704][ T72] netlink_unicast+0x449/0x710 [ 1081.221704][ T72] netlink_sendmsg+0x723/0xbe0 [ 1081.221704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1081.221704][ T72] ___sys_sendmsg+0xee/0x170 [ 1081.221704][ T72] __sys_sendmsg+0xcd/0x170 [ 1081.221704][ T72] do_syscall_64+0xc6/0x1e0 [ 1081.221704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.221704][ T72] [ 1091.337035][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1091.337550][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1091.337550][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1091.337550][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1091.337550][ T72] fib6_nh_init+0xa22/0x1580 [ 1091.337550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.337550][ T72] ip6_route_add+0x1c/0x140 [ 1091.337550][ T72] inet6_rtm_newroute+0x104/0x110 [ 1091.337550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.337550][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.337550][ T72] netlink_unicast+0x449/0x710 [ 1091.337550][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.337550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.337550][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.337550][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.337550][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.337550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.337550][ T72] [ 1091.339463][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1091.339463][ T72] dst_init+0x84/0x4a0 [ 1091.339463][ T72] dst_alloc+0x97/0x150 [ 1091.339463][ T72] ip6_dst_alloc+0x23/0x90 [ 1091.339463][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1091.339463][ T72] ip6_pol_route+0x56f/0x840 [ 1091.339463][ T72] fib6_rule_lookup+0x456/0x630 [ 1091.339463][ T72] ip6_route_input+0x59c/0xa50 [ 1091.339463][ T72] ipv6_rcv+0x397/0x810 [ 1091.339463][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1091.339463][ T72] process_backlog+0x101/0x620 [ 1091.339463][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1091.339463][ T72] net_rx_action+0x495/0xbe0 [ 1091.339463][ T72] __do_softirq+0x1b5/0x7f6 [ 1091.339463][ T72] [ 1091.341107][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1091.341107][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.341107][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.341107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.341107][ T72] ip6_route_add+0x1c/0x140 [ 1091.341107][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1091.341107][ T72] inet6_addr_add+0x4f8/0xa40 [ 1091.341107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.341107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.341107][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.341107][ T72] netlink_unicast+0x449/0x710 [ 1091.341107][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.341107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.341107][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.341107][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.341107][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.341107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.341107][ T72] [ 1091.343132][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1091.343132][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.343132][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.343132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.343132][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1091.343132][ T72] ipv6_add_addr+0x411/0x2000 [ 1091.343132][ T72] inet6_addr_add+0x30e/0xa40 [ 1091.343132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.343132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.343132][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.343132][ T72] netlink_unicast+0x449/0x710 [ 1091.343132][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.343132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.343132][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.343132][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.343132][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.343132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.343132][ T72] [ 1091.345152][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1091.345152][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.345152][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.345152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.345152][ T72] ip6_route_add+0x1c/0x140 [ 1091.345152][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1091.345152][ T72] addrconf_add_dev+0xe2/0x170 [ 1091.345152][ T72] inet6_addr_add+0x12f/0xa40 [ 1091.345152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.345152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.345152][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.345152][ T72] netlink_unicast+0x449/0x710 [ 1091.345152][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.345152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.345152][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.345152][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.345152][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.345152][ T72] [ 1091.347118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1091.347118][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1091.347118][ T72] ipv6_find_idev+0x102/0x170 [ 1091.347118][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.347118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.347118][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.347118][ T72] netlink_unicast+0x449/0x710 [ 1091.347118][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.347118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.347118][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.347118][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.347118][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.347118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.347118][ T72] [ 1091.348660][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1091.348660][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1091.348660][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1091.348660][ T72] ipv6_find_idev+0x102/0x170 [ 1091.348660][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.348660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.348660][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.348660][ T72] netlink_unicast+0x449/0x710 [ 1091.348660][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.348660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.348660][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.348660][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.348660][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.348660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.348660][ T72] [ 1091.350389][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1091.350665][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1091.350665][ T72] dst_init+0x84/0x4a0 [ 1091.350665][ T72] dst_alloc+0x97/0x150 [ 1091.350665][ T72] ip6_dst_alloc+0x23/0x90 [ 1091.350665][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1091.350665][ T72] ip6_pol_route+0x56f/0x840 [ 1091.350665][ T72] fib6_rule_lookup+0x456/0x630 [ 1091.350665][ T72] ip6_route_input+0x59c/0xa50 [ 1091.350665][ T72] ipv6_rcv+0x397/0x810 [ 1091.350665][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1091.350665][ T72] process_backlog+0x101/0x620 [ 1091.350665][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1091.350665][ T72] net_rx_action+0x495/0xbe0 [ 1091.350665][ T72] __do_softirq+0x1b5/0x7f6 [ 1091.350665][ T72] [ 1091.352307][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1091.352307][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.352307][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.352307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.352307][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1091.352307][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1091.352307][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1091.352307][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1091.352307][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1091.352307][ T72] addrconf_dad_begin+0x310/0x670 [ 1091.352307][ T72] addrconf_dad_work+0x10b/0xab0 [ 1091.352307][ T72] process_one_work+0x84d/0x18a0 [ 1091.352307][ T72] worker_thread+0x587/0xd30 [ 1091.352307][ T72] kthread+0x28a/0x350 [ 1091.352307][ T72] ret_from_fork+0x31/0x70 [ 1091.352307][ T72] ret_from_fork_asm+0x1a/0x30 [ 1091.352307][ T72] [ 1091.354219][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1091.354219][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.354219][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.354219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.354219][ T72] ip6_route_add+0x1c/0x140 [ 1091.354219][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1091.354219][ T72] inet6_addr_add+0x4f8/0xa40 [ 1091.354219][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.354219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.354219][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.354219][ T72] netlink_unicast+0x449/0x710 [ 1091.354219][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.354219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.354219][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.354219][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.354219][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.354219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.354219][ T72] [ 1091.356222][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1091.356222][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.356222][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.356222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.356222][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1091.356222][ T72] ipv6_add_addr+0x411/0x2000 [ 1091.356222][ T72] inet6_addr_add+0x30e/0xa40 [ 1091.356222][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.356222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.356222][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.356222][ T72] netlink_unicast+0x449/0x710 [ 1091.356222][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.356222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.356222][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.356222][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.356222][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.356222][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.356222][ T72] [ 1091.358219][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1091.358219][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.358219][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.358219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.358219][ T72] ip6_route_add+0x1c/0x140 [ 1091.358219][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1091.358219][ T72] addrconf_add_dev+0xe2/0x170 [ 1091.358219][ T72] inet6_addr_add+0x12f/0xa40 [ 1091.358219][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.358219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.358219][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.358219][ T72] netlink_unicast+0x449/0x710 [ 1091.358219][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.358219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.358219][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.358219][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.358219][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.358219][ T72] [ 1091.360212][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1091.360212][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1091.360212][ T72] ipv6_find_idev+0x102/0x170 [ 1091.360212][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.360212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.360212][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.360212][ T72] netlink_unicast+0x449/0x710 [ 1091.360212][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.360212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.360212][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.360212][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.360212][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.360212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.360212][ T72] [ 1091.361756][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1091.361756][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1091.361756][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1091.361756][ T72] ipv6_find_idev+0x102/0x170 [ 1091.361756][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.361756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.361756][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.361756][ T72] netlink_unicast+0x449/0x710 [ 1091.361756][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.361756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.361756][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.361756][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.361756][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.361756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.361756][ T72] [ 1091.363585][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1091.363866][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1091.363866][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1091.363866][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1091.363866][ T72] fib6_nh_init+0xa22/0x1580 [ 1091.363866][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.363866][ T72] ip6_route_add+0x1c/0x140 [ 1091.363866][ T72] inet6_rtm_newroute+0x104/0x110 [ 1091.363866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.363866][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.363866][ T72] netlink_unicast+0x449/0x710 [ 1091.363866][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.363866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.363866][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.363866][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.363866][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.363866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.363866][ T72] [ 1091.366050][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1091.366050][ T72] dst_init+0x84/0x4a0 [ 1091.366050][ T72] dst_alloc+0x97/0x150 [ 1091.366050][ T72] ip6_dst_alloc+0x23/0x90 [ 1091.366050][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1091.366050][ T72] ip6_pol_route+0x56f/0x840 [ 1091.366050][ T72] fib6_rule_lookup+0x456/0x630 [ 1091.366050][ T72] ip6_route_input+0x59c/0xa50 [ 1091.366050][ T72] ipv6_rcv+0x397/0x810 [ 1091.366050][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1091.366050][ T72] process_backlog+0x101/0x620 [ 1091.366050][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1091.366050][ T72] net_rx_action+0x495/0xbe0 [ 1091.366050][ T72] __do_softirq+0x1b5/0x7f6 [ 1091.366050][ T72] [ 1091.367871][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1091.367871][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.367871][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.367871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.367871][ T72] ip6_route_add+0x1c/0x140 [ 1091.367871][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1091.367871][ T72] inet6_addr_add+0x4f8/0xa40 [ 1091.367871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.367871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.367871][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.367871][ T72] netlink_unicast+0x449/0x710 [ 1091.367871][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.367871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.367871][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.367871][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.367871][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.367871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.367871][ T72] [ 1091.370117][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1091.370117][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.370117][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.370117][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.370117][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1091.370117][ T72] ipv6_add_addr+0x411/0x2000 [ 1091.370117][ T72] inet6_addr_add+0x30e/0xa40 [ 1091.370117][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.370117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.370117][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.370117][ T72] netlink_unicast+0x449/0x710 [ 1091.370117][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.370117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.370117][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.370117][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.370117][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.370117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.370117][ T72] [ 1091.372301][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1091.372301][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.372301][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.372301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.372301][ T72] ip6_route_add+0x1c/0x140 [ 1091.372301][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1091.372301][ T72] addrconf_add_dev+0xe2/0x170 [ 1091.372301][ T72] inet6_addr_add+0x12f/0xa40 [ 1091.372301][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.372301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.372301][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.372301][ T72] netlink_unicast+0x449/0x710 [ 1091.372301][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.372301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.372301][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.372301][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.372301][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.372301][ T72] [ 1091.374594][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1091.374594][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1091.374594][ T72] ipv6_find_idev+0x102/0x170 [ 1091.374594][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.374594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.374594][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.374594][ T72] netlink_unicast+0x449/0x710 [ 1091.374594][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.374594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.374594][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.374594][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.374594][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.374594][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.374594][ T72] [ 1091.376317][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1091.376317][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1091.376317][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1091.376317][ T72] ipv6_find_idev+0x102/0x170 [ 1091.376317][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.376317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.376317][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.376317][ T72] netlink_unicast+0x449/0x710 [ 1091.376317][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.376317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.376317][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.376317][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.376317][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.376317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.376317][ T72] [ 1091.378190][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1091.378531][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1091.378531][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.378531][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.378531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.378531][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1091.378531][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1091.378531][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1091.378531][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1091.378531][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1091.378531][ T72] addrconf_dad_begin+0x310/0x670 [ 1091.378531][ T72] addrconf_dad_work+0x10b/0xab0 [ 1091.378531][ T72] process_one_work+0x84d/0x18a0 [ 1091.378531][ T72] worker_thread+0x587/0xd30 [ 1091.378531][ T72] kthread+0x28a/0x350 [ 1091.378531][ T72] ret_from_fork+0x31/0x70 [ 1091.378531][ T72] ret_from_fork_asm+0x1a/0x30 [ 1091.378531][ T72] [ 1091.380567][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1091.380567][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.380567][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.380567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.380567][ T72] ip6_route_add+0x1c/0x140 [ 1091.380567][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1091.380567][ T72] inet6_addr_add+0x4f8/0xa40 [ 1091.380567][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.380567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.380567][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.380567][ T72] netlink_unicast+0x449/0x710 [ 1091.380567][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.380567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.380567][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.380567][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.380567][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.380567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.380567][ T72] [ 1091.382812][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1091.382812][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.382812][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.382812][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.382812][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1091.382812][ T72] ipv6_add_addr+0x411/0x2000 [ 1091.382812][ T72] inet6_addr_add+0x30e/0xa40 [ 1091.382812][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.382812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.382812][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.382812][ T72] netlink_unicast+0x449/0x710 [ 1091.382812][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.382812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.382812][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.382812][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.382812][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.382812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.382812][ T72] [ 1091.385114][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1091.385114][ T72] netdev_get_by_index+0x5e/0x80 [ 1091.385114][ T72] fib6_nh_init+0x3d8/0x1580 [ 1091.385114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1091.385114][ T72] ip6_route_add+0x1c/0x140 [ 1091.385114][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1091.385114][ T72] addrconf_add_dev+0xe2/0x170 [ 1091.385114][ T72] inet6_addr_add+0x12f/0xa40 [ 1091.385114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.385114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.385114][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.385114][ T72] netlink_unicast+0x449/0x710 [ 1091.385114][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.385114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.385114][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.385114][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.385114][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.385114][ T72] [ 1091.387349][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1091.387349][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1091.387349][ T72] ipv6_find_idev+0x102/0x170 [ 1091.387349][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.387349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.387349][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.387349][ T72] netlink_unicast+0x449/0x710 [ 1091.387349][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.387349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.387349][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.387349][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.387349][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.387349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.387349][ T72] [ 1091.389072][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1091.389072][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1091.389072][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1091.389072][ T72] ipv6_find_idev+0x102/0x170 [ 1091.389072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.389072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.389072][ T72] netlink_rcv_skb+0x130/0x360 [ 1091.389072][ T72] netlink_unicast+0x449/0x710 [ 1091.389072][ T72] netlink_sendmsg+0x723/0xbe0 [ 1091.389072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1091.389072][ T72] ___sys_sendmsg+0xee/0x170 [ 1091.389072][ T72] __sys_sendmsg+0xcd/0x170 [ 1091.389072][ T72] do_syscall_64+0xc6/0x1e0 [ 1091.389072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.389072][ T72] [ 1101.841038][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1101.841554][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1101.841554][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1101.841554][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1101.841554][ T72] fib6_nh_init+0xa22/0x1580 [ 1101.841554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.841554][ T72] ip6_route_add+0x1c/0x140 [ 1101.841554][ T72] inet6_rtm_newroute+0x104/0x110 [ 1101.841554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.841554][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.841554][ T72] netlink_unicast+0x449/0x710 [ 1101.841554][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.841554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.841554][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.841554][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.841554][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.841554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.841554][ T72] [ 1101.843887][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1101.843887][ T72] dst_init+0x84/0x4a0 [ 1101.843887][ T72] dst_alloc+0x97/0x150 [ 1101.843887][ T72] ip6_dst_alloc+0x23/0x90 [ 1101.843887][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1101.843887][ T72] ip6_pol_route+0x56f/0x840 [ 1101.843887][ T72] fib6_rule_lookup+0x456/0x630 [ 1101.843887][ T72] ip6_route_input+0x59c/0xa50 [ 1101.843887][ T72] ipv6_rcv+0x397/0x810 [ 1101.843887][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1101.843887][ T72] process_backlog+0x101/0x620 [ 1101.843887][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1101.843887][ T72] net_rx_action+0x495/0xbe0 [ 1101.843887][ T72] __do_softirq+0x1b5/0x7f6 [ 1101.843887][ T72] [ 1101.845890][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1101.845890][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.845890][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.845890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.845890][ T72] ip6_route_add+0x1c/0x140 [ 1101.845890][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1101.845890][ T72] inet6_addr_add+0x4f8/0xa40 [ 1101.845890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.845890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.845890][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.845890][ T72] netlink_unicast+0x449/0x710 [ 1101.845890][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.845890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.845890][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.845890][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.845890][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.845890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.845890][ T72] [ 1101.848350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1101.848350][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.848350][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.848350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.848350][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1101.848350][ T72] ipv6_add_addr+0x411/0x2000 [ 1101.848350][ T72] inet6_addr_add+0x30e/0xa40 [ 1101.848350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.848350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.848350][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.848350][ T72] netlink_unicast+0x449/0x710 [ 1101.848350][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.848350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.848350][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.848350][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.848350][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.848350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.848350][ T72] [ 1101.850795][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1101.850795][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.850795][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.850795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.850795][ T72] ip6_route_add+0x1c/0x140 [ 1101.850795][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1101.850795][ T72] addrconf_add_dev+0xe2/0x170 [ 1101.850795][ T72] inet6_addr_add+0x12f/0xa40 [ 1101.850795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.850795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.850795][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.850795][ T72] netlink_unicast+0x449/0x710 [ 1101.850795][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.850795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.850795][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.850795][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.850795][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.850795][ T72] [ 1101.853214][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1101.853214][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1101.853214][ T72] ipv6_find_idev+0x102/0x170 [ 1101.853214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.853214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.853214][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.853214][ T72] netlink_unicast+0x449/0x710 [ 1101.853214][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.853214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.853214][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.853214][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.853214][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.853214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.853214][ T72] [ 1101.855092][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1101.855092][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1101.855092][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1101.855092][ T72] ipv6_find_idev+0x102/0x170 [ 1101.855092][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.855092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.855092][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.855092][ T72] netlink_unicast+0x449/0x710 [ 1101.855092][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.855092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.855092][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.855092][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.855092][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.855092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.855092][ T72] [ 1101.857164][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1101.857488][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1101.857488][ T72] dst_init+0x84/0x4a0 [ 1101.857488][ T72] dst_alloc+0x97/0x150 [ 1101.857488][ T72] ip6_dst_alloc+0x23/0x90 [ 1101.857488][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1101.857488][ T72] ip6_pol_route+0x56f/0x840 [ 1101.857488][ T72] fib6_rule_lookup+0x456/0x630 [ 1101.857488][ T72] ip6_route_input+0x59c/0xa50 [ 1101.857488][ T72] ipv6_rcv+0x397/0x810 [ 1101.857488][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1101.857488][ T72] process_backlog+0x101/0x620 [ 1101.857488][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1101.857488][ T72] net_rx_action+0x495/0xbe0 [ 1101.857488][ T72] __do_softirq+0x1b5/0x7f6 [ 1101.857488][ T72] [ 1101.859500][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1101.859500][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.859500][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.859500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.859500][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1101.859500][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1101.859500][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1101.859500][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1101.859500][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1101.859500][ T72] addrconf_dad_begin+0x310/0x670 [ 1101.859500][ T72] addrconf_dad_work+0x10b/0xab0 [ 1101.859500][ T72] process_one_work+0x84d/0x18a0 [ 1101.859500][ T72] worker_thread+0x587/0xd30 [ 1101.859500][ T72] kthread+0x28a/0x350 [ 1101.859500][ T72] ret_from_fork+0x31/0x70 [ 1101.859500][ T72] ret_from_fork_asm+0x1a/0x30 [ 1101.859500][ T72] [ 1101.861847][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1101.861847][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.861847][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.861847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.861847][ T72] ip6_route_add+0x1c/0x140 [ 1101.861847][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1101.861847][ T72] inet6_addr_add+0x4f8/0xa40 [ 1101.861847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.861847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.861847][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.861847][ T72] netlink_unicast+0x449/0x710 [ 1101.861847][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.861847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.861847][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.861847][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.861847][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.861847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.861847][ T72] [ 1101.864298][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1101.864298][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.864298][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.864298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.864298][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1101.864298][ T72] ipv6_add_addr+0x411/0x2000 [ 1101.864298][ T72] inet6_addr_add+0x30e/0xa40 [ 1101.864298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.864298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.864298][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.864298][ T72] netlink_unicast+0x449/0x710 [ 1101.864298][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.864298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.864298][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.864298][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.864298][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.864298][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.864298][ T72] [ 1101.866728][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1101.866728][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.866728][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.866728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.866728][ T72] ip6_route_add+0x1c/0x140 [ 1101.866728][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1101.866728][ T72] addrconf_add_dev+0xe2/0x170 [ 1101.866728][ T72] inet6_addr_add+0x12f/0xa40 [ 1101.866728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.866728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.866728][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.866728][ T72] netlink_unicast+0x449/0x710 [ 1101.866728][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.866728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.866728][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.866728][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.866728][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.866728][ T72] [ 1101.869114][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1101.869114][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1101.869114][ T72] ipv6_find_idev+0x102/0x170 [ 1101.869114][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.869114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.869114][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.869114][ T72] netlink_unicast+0x449/0x710 [ 1101.869114][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.869114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.869114][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.869114][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.869114][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.869114][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.869114][ T72] [ 1101.870986][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1101.870986][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1101.870986][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1101.870986][ T72] ipv6_find_idev+0x102/0x170 [ 1101.870986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.870986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.870986][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.870986][ T72] netlink_unicast+0x449/0x710 [ 1101.870986][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.870986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.870986][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.870986][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.870986][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.870986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.870986][ T72] [ 1101.873103][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1101.873480][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1101.873480][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1101.873480][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1101.873480][ T72] fib6_nh_init+0xa22/0x1580 [ 1101.873480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.873480][ T72] ip6_route_add+0x1c/0x140 [ 1101.873480][ T72] inet6_rtm_newroute+0x104/0x110 [ 1101.873480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.873480][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.873480][ T72] netlink_unicast+0x449/0x710 [ 1101.873480][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.873480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.873480][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.873480][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.873480][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.873480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.873480][ T72] [ 1101.875950][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1101.875950][ T72] dst_init+0x84/0x4a0 [ 1101.875950][ T72] dst_alloc+0x97/0x150 [ 1101.875950][ T72] ip6_dst_alloc+0x23/0x90 [ 1101.875950][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1101.875950][ T72] ip6_pol_route+0x56f/0x840 [ 1101.875950][ T72] fib6_rule_lookup+0x456/0x630 [ 1101.875950][ T72] ip6_route_input+0x59c/0xa50 [ 1101.875950][ T72] ipv6_rcv+0x397/0x810 [ 1101.875950][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1101.875950][ T72] process_backlog+0x101/0x620 [ 1101.875950][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1101.875950][ T72] net_rx_action+0x495/0xbe0 [ 1101.875950][ T72] __do_softirq+0x1b5/0x7f6 [ 1101.875950][ T72] [ 1101.878207][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1101.878207][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.878207][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.878207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.878207][ T72] ip6_route_add+0x1c/0x140 [ 1101.878207][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1101.878207][ T72] inet6_addr_add+0x4f8/0xa40 [ 1101.878207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.878207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.878207][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.878207][ T72] netlink_unicast+0x449/0x710 [ 1101.878207][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.878207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.878207][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.878207][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.878207][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.878207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.878207][ T72] [ 1101.880819][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1101.880819][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.880819][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.880819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.880819][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1101.880819][ T72] ipv6_add_addr+0x411/0x2000 [ 1101.880819][ T72] inet6_addr_add+0x30e/0xa40 [ 1101.880819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.880819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.880819][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.880819][ T72] netlink_unicast+0x449/0x710 [ 1101.880819][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.880819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.880819][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.880819][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.880819][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.880819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.880819][ T72] [ 1101.883528][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1101.883528][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.883528][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.883528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.883528][ T72] ip6_route_add+0x1c/0x140 [ 1101.883528][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1101.883528][ T72] addrconf_add_dev+0xe2/0x170 [ 1101.883528][ T72] inet6_addr_add+0x12f/0xa40 [ 1101.883528][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.883528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.883528][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.883528][ T72] netlink_unicast+0x449/0x710 [ 1101.883528][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.883528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.883528][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.883528][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.883528][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.883528][ T72] [ 1101.886221][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1101.886221][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1101.886221][ T72] ipv6_find_idev+0x102/0x170 [ 1101.886221][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.886221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.886221][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.886221][ T72] netlink_unicast+0x449/0x710 [ 1101.886221][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.886221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.886221][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.886221][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.886221][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.886221][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.886221][ T72] [ 1101.888279][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1101.888279][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1101.888279][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1101.888279][ T72] ipv6_find_idev+0x102/0x170 [ 1101.888279][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.888279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.888279][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.888279][ T72] netlink_unicast+0x449/0x710 [ 1101.888279][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.888279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.888279][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.888279][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.888279][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.888279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.888279][ T72] [ 1101.890510][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1101.890909][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1101.890909][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.890909][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.890909][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.890909][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1101.890909][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1101.890909][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1101.890909][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1101.890909][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1101.890909][ T72] addrconf_dad_begin+0x310/0x670 [ 1101.890909][ T72] addrconf_dad_work+0x10b/0xab0 [ 1101.890909][ T72] process_one_work+0x84d/0x18a0 [ 1101.890909][ T72] worker_thread+0x587/0xd30 [ 1101.890909][ T72] kthread+0x28a/0x350 [ 1101.890909][ T72] ret_from_fork+0x31/0x70 [ 1101.890909][ T72] ret_from_fork_asm+0x1a/0x30 [ 1101.890909][ T72] [ 1101.893421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1101.893421][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.893421][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.893421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.893421][ T72] ip6_route_add+0x1c/0x140 [ 1101.893421][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1101.893421][ T72] inet6_addr_add+0x4f8/0xa40 [ 1101.893421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.893421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.893421][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.893421][ T72] netlink_unicast+0x449/0x710 [ 1101.893421][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.893421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.893421][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.893421][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.893421][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.893421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.893421][ T72] [ 1101.896102][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1101.896102][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.896102][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.896102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.896102][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1101.896102][ T72] ipv6_add_addr+0x411/0x2000 [ 1101.896102][ T72] inet6_addr_add+0x30e/0xa40 [ 1101.896102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.896102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.896102][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.896102][ T72] netlink_unicast+0x449/0x710 [ 1101.896102][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.896102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.896102][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.896102][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.896102][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.896102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.896102][ T72] [ 1101.898833][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1101.898833][ T72] netdev_get_by_index+0x5e/0x80 [ 1101.898833][ T72] fib6_nh_init+0x3d8/0x1580 [ 1101.898833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1101.898833][ T72] ip6_route_add+0x1c/0x140 [ 1101.898833][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1101.898833][ T72] addrconf_add_dev+0xe2/0x170 [ 1101.898833][ T72] inet6_addr_add+0x12f/0xa40 [ 1101.898833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.898833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.898833][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.898833][ T72] netlink_unicast+0x449/0x710 [ 1101.898833][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.898833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.898833][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.898833][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.898833][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.898833][ T72] [ 1101.901466][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1101.901466][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1101.901466][ T72] ipv6_find_idev+0x102/0x170 [ 1101.901466][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.901466][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.901466][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.901466][ T72] netlink_unicast+0x449/0x710 [ 1101.901466][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.901466][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.901466][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.901466][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.901466][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.901466][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.901466][ T72] [ 1101.903525][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1101.903525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1101.903525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1101.903525][ T72] ipv6_find_idev+0x102/0x170 [ 1101.903525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.903525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.903525][ T72] netlink_rcv_skb+0x130/0x360 [ 1101.903525][ T72] netlink_unicast+0x449/0x710 [ 1101.903525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1101.903525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1101.903525][ T72] ___sys_sendmsg+0xee/0x170 [ 1101.903525][ T72] __sys_sendmsg+0xcd/0x170 [ 1101.903525][ T72] do_syscall_64+0xc6/0x1e0 [ 1101.903525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.903525][ T72] [ 1107.241007][ T42] INFO: task modprobe:885 blocked for more than 983 seconds. [ 1107.241429][ T42] Not tainted 6.8.0-virtme #1 [ 1107.241624][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1107.242023][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 1107.242416][ T42] Call Trace: [ 1107.242568][ T42] [ 1107.242686][ T42] __schedule+0x705/0x1ac0 [ 1107.242924][ T42] ? __pfx___schedule+0x10/0x10 [ 1107.243123][ T42] ? schedule+0x1a5/0x210 [ 1107.243276][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.243493][ T42] ? schedule+0x1a5/0x210 [ 1107.243652][ T42] schedule+0xdf/0x210 [ 1107.243825][ T42] schedule_preempt_disabled+0x15/0x30 [ 1107.244017][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1107.244223][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1107.244461][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.244660][ T42] ? lock_acquire+0x1c1/0x220 [ 1107.244865][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1107.245069][ T42] down_write+0x1c9/0x200 [ 1107.245222][ T42] ? __pfx_down_write+0x10/0x10 [ 1107.245437][ T42] ? __lock_release+0x103/0x460 [ 1107.245636][ T42] ? __create_object+0x5e/0xb0 [ 1107.245883][ T42] ? __pfx___lock_release+0x10/0x10 [ 1107.246088][ T42] register_pernet_subsys+0x1a/0x50 [ 1107.246276][ T42] tcf_register_action+0xa3/0x600 [ 1107.246471][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 1107.246719][ T42] do_one_initcall+0xc8/0x3f0 [ 1107.246928][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1107.247123][ T42] ? __create_object+0x5e/0xb0 [ 1107.247314][ T42] ? kasan_unpoison+0x27/0x60 [ 1107.247511][ T42] do_init_module+0x233/0x740 [ 1107.247715][ T42] load_module+0x16b5/0x2350 [ 1107.247933][ T42] ? __pfx_load_module+0x10/0x10 [ 1107.248127][ T42] ? kernel_read_file+0x3d2/0x520 [ 1107.248319][ T42] ? kernel_read_file+0x300/0x520 [ 1107.248510][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1107.248711][ T42] ? init_module_from_file+0xd2/0x130 [ 1107.248913][ T42] init_module_from_file+0xd2/0x130 [ 1107.249107][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1107.249342][ T42] ? __lock_release+0x103/0x460 [ 1107.249527][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.249734][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.249975][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1107.250191][ T42] idempotent_init_module+0x342/0x620 [ 1107.250396][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1107.250689][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1107.250913][ T42] do_syscall_64+0xc6/0x1e0 [ 1107.251122][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1107.251370][ T42] RIP: 0033:0x7f41a8dc5e5d [ 1107.251573][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1107.251902][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 1107.252212][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 1107.252517][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 1107.252823][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 1107.253126][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 1107.253437][ T42] [ 1107.253594][ T42] [ 1107.253594][ T42] Showing all locks held in the system: [ 1107.253905][ T42] 2 locks held by kworker/u20:0/39: [ 1107.254100][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.254514][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.254973][ T42] 1 lock held by khungtaskd/42: [ 1107.255165][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1107.255519][ T42] 3 locks held by kworker/u16:1/72: [ 1107.255707][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.256120][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.256484][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1107.256849][ T42] 1 lock held by modprobe/885: [ 1107.257046][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1107.257431][ T42] [ 1107.257530][ T42] ============================================= [ 1107.257530][ T42] [ 1112.096996][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1112.097526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1112.097526][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1112.097526][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1112.097526][ T72] fib6_nh_init+0xa22/0x1580 [ 1112.097526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.097526][ T72] ip6_route_add+0x1c/0x140 [ 1112.097526][ T72] inet6_rtm_newroute+0x104/0x110 [ 1112.097526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.097526][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.097526][ T72] netlink_unicast+0x449/0x710 [ 1112.097526][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.097526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.097526][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.097526][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.097526][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.097526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.097526][ T72] [ 1112.099840][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1112.099840][ T72] dst_init+0x84/0x4a0 [ 1112.099840][ T72] dst_alloc+0x97/0x150 [ 1112.099840][ T72] ip6_dst_alloc+0x23/0x90 [ 1112.099840][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1112.099840][ T72] ip6_pol_route+0x56f/0x840 [ 1112.099840][ T72] fib6_rule_lookup+0x456/0x630 [ 1112.099840][ T72] ip6_route_input+0x59c/0xa50 [ 1112.099840][ T72] ipv6_rcv+0x397/0x810 [ 1112.099840][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1112.099840][ T72] process_backlog+0x101/0x620 [ 1112.099840][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1112.099840][ T72] net_rx_action+0x495/0xbe0 [ 1112.099840][ T72] __do_softirq+0x1b5/0x7f6 [ 1112.099840][ T72] [ 1112.101859][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1112.101859][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.101859][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.101859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.101859][ T72] ip6_route_add+0x1c/0x140 [ 1112.101859][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1112.101859][ T72] inet6_addr_add+0x4f8/0xa40 [ 1112.101859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.101859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.101859][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.101859][ T72] netlink_unicast+0x449/0x710 [ 1112.101859][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.101859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.101859][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.101859][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.101859][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.101859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.101859][ T72] [ 1112.104310][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1112.104310][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.104310][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.104310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.104310][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1112.104310][ T72] ipv6_add_addr+0x411/0x2000 [ 1112.104310][ T72] inet6_addr_add+0x30e/0xa40 [ 1112.104310][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.104310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.104310][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.104310][ T72] netlink_unicast+0x449/0x710 [ 1112.104310][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.104310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.104310][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.104310][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.104310][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.104310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.104310][ T72] [ 1112.107277][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1112.107277][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.107277][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.107277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.107277][ T72] ip6_route_add+0x1c/0x140 [ 1112.107277][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1112.107277][ T72] addrconf_add_dev+0xe2/0x170 [ 1112.107277][ T72] inet6_addr_add+0x12f/0xa40 [ 1112.107277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.107277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.107277][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.107277][ T72] netlink_unicast+0x449/0x710 [ 1112.107277][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.107277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.107277][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.107277][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.107277][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.107277][ T72] [ 1112.109670][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1112.109670][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1112.109670][ T72] ipv6_find_idev+0x102/0x170 [ 1112.109670][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.109670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.109670][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.109670][ T72] netlink_unicast+0x449/0x710 [ 1112.109670][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.109670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.109670][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.109670][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.109670][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.109670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.109670][ T72] [ 1112.111545][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1112.111545][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1112.111545][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1112.111545][ T72] ipv6_find_idev+0x102/0x170 [ 1112.111545][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.111545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.111545][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.111545][ T72] netlink_unicast+0x449/0x710 [ 1112.111545][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.111545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.111545][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.111545][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.111545][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.111545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.111545][ T72] [ 1112.113611][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1112.113944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1112.113944][ T72] dst_init+0x84/0x4a0 [ 1112.113944][ T72] dst_alloc+0x97/0x150 [ 1112.113944][ T72] ip6_dst_alloc+0x23/0x90 [ 1112.113944][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1112.113944][ T72] ip6_pol_route+0x56f/0x840 [ 1112.113944][ T72] fib6_rule_lookup+0x456/0x630 [ 1112.113944][ T72] ip6_route_input+0x59c/0xa50 [ 1112.113944][ T72] ipv6_rcv+0x397/0x810 [ 1112.113944][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1112.113944][ T72] process_backlog+0x101/0x620 [ 1112.113944][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1112.113944][ T72] net_rx_action+0x495/0xbe0 [ 1112.113944][ T72] __do_softirq+0x1b5/0x7f6 [ 1112.113944][ T72] [ 1112.115946][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1112.115946][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.115946][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.115946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.115946][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1112.115946][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1112.115946][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1112.115946][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1112.115946][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1112.115946][ T72] addrconf_dad_begin+0x310/0x670 [ 1112.115946][ T72] addrconf_dad_work+0x10b/0xab0 [ 1112.115946][ T72] process_one_work+0x84d/0x18a0 [ 1112.115946][ T72] worker_thread+0x587/0xd30 [ 1112.115946][ T72] kthread+0x28a/0x350 [ 1112.115946][ T72] ret_from_fork+0x31/0x70 [ 1112.115946][ T72] ret_from_fork_asm+0x1a/0x30 [ 1112.115946][ T72] [ 1112.118267][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1112.118267][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.118267][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.118267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.118267][ T72] ip6_route_add+0x1c/0x140 [ 1112.118267][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1112.118267][ T72] inet6_addr_add+0x4f8/0xa40 [ 1112.118267][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.118267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.118267][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.118267][ T72] netlink_unicast+0x449/0x710 [ 1112.118267][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.118267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.118267][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.118267][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.118267][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.118267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.118267][ T72] [ 1112.120697][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1112.120697][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.120697][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.120697][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.120697][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1112.120697][ T72] ipv6_add_addr+0x411/0x2000 [ 1112.120697][ T72] inet6_addr_add+0x30e/0xa40 [ 1112.120697][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.120697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.120697][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.120697][ T72] netlink_unicast+0x449/0x710 [ 1112.120697][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.120697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.120697][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.120697][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.120697][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.120697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.120697][ T72] [ 1112.123125][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1112.123125][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.123125][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.123125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.123125][ T72] ip6_route_add+0x1c/0x140 [ 1112.123125][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1112.123125][ T72] addrconf_add_dev+0xe2/0x170 [ 1112.123125][ T72] inet6_addr_add+0x12f/0xa40 [ 1112.123125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.123125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.123125][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.123125][ T72] netlink_unicast+0x449/0x710 [ 1112.123125][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.123125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.123125][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.123125][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.123125][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.123125][ T72] [ 1112.125512][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1112.125512][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1112.125512][ T72] ipv6_find_idev+0x102/0x170 [ 1112.125512][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.125512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.125512][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.125512][ T72] netlink_unicast+0x449/0x710 [ 1112.125512][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.125512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.125512][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.125512][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.125512][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.125512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.125512][ T72] [ 1112.127383][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1112.127383][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1112.127383][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1112.127383][ T72] ipv6_find_idev+0x102/0x170 [ 1112.127383][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.127383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.127383][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.127383][ T72] netlink_unicast+0x449/0x710 [ 1112.127383][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.127383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.127383][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.127383][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.127383][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.127383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.127383][ T72] [ 1112.129512][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1112.129903][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1112.129903][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1112.129903][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1112.129903][ T72] fib6_nh_init+0xa22/0x1580 [ 1112.129903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.129903][ T72] ip6_route_add+0x1c/0x140 [ 1112.129903][ T72] inet6_rtm_newroute+0x104/0x110 [ 1112.129903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.129903][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.129903][ T72] netlink_unicast+0x449/0x710 [ 1112.129903][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.129903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.129903][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.129903][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.129903][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.129903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.129903][ T72] [ 1112.132857][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1112.132857][ T72] dst_init+0x84/0x4a0 [ 1112.132857][ T72] dst_alloc+0x97/0x150 [ 1112.132857][ T72] ip6_dst_alloc+0x23/0x90 [ 1112.132857][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1112.132857][ T72] ip6_pol_route+0x56f/0x840 [ 1112.132857][ T72] fib6_rule_lookup+0x456/0x630 [ 1112.132857][ T72] ip6_route_input+0x59c/0xa50 [ 1112.132857][ T72] ipv6_rcv+0x397/0x810 [ 1112.132857][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1112.132857][ T72] process_backlog+0x101/0x620 [ 1112.132857][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1112.132857][ T72] net_rx_action+0x495/0xbe0 [ 1112.132857][ T72] __do_softirq+0x1b5/0x7f6 [ 1112.132857][ T72] [ 1112.135455][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1112.135455][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.135455][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.135455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.135455][ T72] ip6_route_add+0x1c/0x140 [ 1112.135455][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1112.135455][ T72] inet6_addr_add+0x4f8/0xa40 [ 1112.135455][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.135455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.135455][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.135455][ T72] netlink_unicast+0x449/0x710 [ 1112.135455][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.135455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.135455][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.135455][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.135455][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.135455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.135455][ T72] [ 1112.138086][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1112.138086][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.138086][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.138086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.138086][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1112.138086][ T72] ipv6_add_addr+0x411/0x2000 [ 1112.138086][ T72] inet6_addr_add+0x30e/0xa40 [ 1112.138086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.138086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.138086][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.138086][ T72] netlink_unicast+0x449/0x710 [ 1112.138086][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.138086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.138086][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.138086][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.138086][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.138086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.138086][ T72] [ 1112.140769][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1112.140769][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.140769][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.140769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.140769][ T72] ip6_route_add+0x1c/0x140 [ 1112.140769][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1112.140769][ T72] addrconf_add_dev+0xe2/0x170 [ 1112.140769][ T72] inet6_addr_add+0x12f/0xa40 [ 1112.140769][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.140769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.140769][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.140769][ T72] netlink_unicast+0x449/0x710 [ 1112.140769][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.140769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.140769][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.140769][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.140769][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.140769][ T72] [ 1112.143483][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1112.143483][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1112.143483][ T72] ipv6_find_idev+0x102/0x170 [ 1112.143483][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.143483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.143483][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.143483][ T72] netlink_unicast+0x449/0x710 [ 1112.143483][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.143483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.143483][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.143483][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.143483][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.143483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.143483][ T72] [ 1112.145541][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1112.145541][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1112.145541][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1112.145541][ T72] ipv6_find_idev+0x102/0x170 [ 1112.145541][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.145541][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.145541][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.145541][ T72] netlink_unicast+0x449/0x710 [ 1112.145541][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.145541][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.145541][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.145541][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.145541][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.145541][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.145541][ T72] [ 1112.147783][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1112.148695][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1112.148695][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.148695][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.148695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.148695][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1112.148695][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1112.148695][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1112.148695][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1112.148695][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1112.148695][ T72] addrconf_dad_begin+0x310/0x670 [ 1112.148695][ T72] addrconf_dad_work+0x10b/0xab0 [ 1112.148695][ T72] process_one_work+0x84d/0x18a0 [ 1112.148695][ T72] worker_thread+0x587/0xd30 [ 1112.148695][ T72] kthread+0x28a/0x350 [ 1112.148695][ T72] ret_from_fork+0x31/0x70 [ 1112.148695][ T72] ret_from_fork_asm+0x1a/0x30 [ 1112.148695][ T72] [ 1112.151062][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1112.151062][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.151062][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.151062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.151062][ T72] ip6_route_add+0x1c/0x140 [ 1112.151062][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1112.151062][ T72] inet6_addr_add+0x4f8/0xa40 [ 1112.151062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.151062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.151062][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.151062][ T72] netlink_unicast+0x449/0x710 [ 1112.151062][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.151062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.151062][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.151062][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.151062][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.151062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.151062][ T72] [ 1112.153575][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1112.153575][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.153575][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.153575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.153575][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1112.153575][ T72] ipv6_add_addr+0x411/0x2000 [ 1112.153575][ T72] inet6_addr_add+0x30e/0xa40 [ 1112.153575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.153575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.153575][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.153575][ T72] netlink_unicast+0x449/0x710 [ 1112.153575][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.153575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.153575][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.153575][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.153575][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.153575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.153575][ T72] [ 1112.156265][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1112.156265][ T72] netdev_get_by_index+0x5e/0x80 [ 1112.156265][ T72] fib6_nh_init+0x3d8/0x1580 [ 1112.156265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1112.156265][ T72] ip6_route_add+0x1c/0x140 [ 1112.156265][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1112.156265][ T72] addrconf_add_dev+0xe2/0x170 [ 1112.156265][ T72] inet6_addr_add+0x12f/0xa40 [ 1112.156265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.156265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.156265][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.156265][ T72] netlink_unicast+0x449/0x710 [ 1112.156265][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.156265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.156265][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.156265][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.156265][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.156265][ T72] [ 1112.158986][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1112.158986][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1112.158986][ T72] ipv6_find_idev+0x102/0x170 [ 1112.158986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.158986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.158986][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.158986][ T72] netlink_unicast+0x449/0x710 [ 1112.158986][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.158986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.158986][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.158986][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.158986][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.158986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.158986][ T72] [ 1112.161052][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1112.161052][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1112.161052][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1112.161052][ T72] ipv6_find_idev+0x102/0x170 [ 1112.161052][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.161052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.161052][ T72] netlink_rcv_skb+0x130/0x360 [ 1112.161052][ T72] netlink_unicast+0x449/0x710 [ 1112.161052][ T72] netlink_sendmsg+0x723/0xbe0 [ 1112.161052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1112.161052][ T72] ___sys_sendmsg+0xee/0x170 [ 1112.161052][ T72] __sys_sendmsg+0xcd/0x170 [ 1112.161052][ T72] do_syscall_64+0xc6/0x1e0 [ 1112.161052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.161052][ T72] [ 1122.288969][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1122.289465][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1122.289465][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1122.289465][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1122.289465][ T72] fib6_nh_init+0xa22/0x1580 [ 1122.289465][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.289465][ T72] ip6_route_add+0x1c/0x140 [ 1122.289465][ T72] inet6_rtm_newroute+0x104/0x110 [ 1122.289465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.289465][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.289465][ T72] netlink_unicast+0x449/0x710 [ 1122.289465][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.289465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.289465][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.289465][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.289465][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.289465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.289465][ T72] [ 1122.291885][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1122.291885][ T72] dst_init+0x84/0x4a0 [ 1122.291885][ T72] dst_alloc+0x97/0x150 [ 1122.291885][ T72] ip6_dst_alloc+0x23/0x90 [ 1122.291885][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1122.291885][ T72] ip6_pol_route+0x56f/0x840 [ 1122.291885][ T72] fib6_rule_lookup+0x456/0x630 [ 1122.291885][ T72] ip6_route_input+0x59c/0xa50 [ 1122.291885][ T72] ipv6_rcv+0x397/0x810 [ 1122.291885][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1122.291885][ T72] process_backlog+0x101/0x620 [ 1122.291885][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1122.291885][ T72] net_rx_action+0x495/0xbe0 [ 1122.291885][ T72] __do_softirq+0x1b5/0x7f6 [ 1122.291885][ T72] [ 1122.293525][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1122.293525][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.293525][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.293525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.293525][ T72] ip6_route_add+0x1c/0x140 [ 1122.293525][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1122.293525][ T72] inet6_addr_add+0x4f8/0xa40 [ 1122.293525][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.293525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.293525][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.293525][ T72] netlink_unicast+0x449/0x710 [ 1122.293525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.293525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.293525][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.293525][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.293525][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.293525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.293525][ T72] [ 1122.295519][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1122.295519][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.295519][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.295519][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.295519][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1122.295519][ T72] ipv6_add_addr+0x411/0x2000 [ 1122.295519][ T72] inet6_addr_add+0x30e/0xa40 [ 1122.295519][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.295519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.295519][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.295519][ T72] netlink_unicast+0x449/0x710 [ 1122.295519][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.295519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.295519][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.295519][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.295519][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.295519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.295519][ T72] [ 1122.297499][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1122.297499][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.297499][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.297499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.297499][ T72] ip6_route_add+0x1c/0x140 [ 1122.297499][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1122.297499][ T72] addrconf_add_dev+0xe2/0x170 [ 1122.297499][ T72] inet6_addr_add+0x12f/0xa40 [ 1122.297499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.297499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.297499][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.297499][ T72] netlink_unicast+0x449/0x710 [ 1122.297499][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.297499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.297499][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.297499][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.297499][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.297499][ T72] [ 1122.299451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1122.299451][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1122.299451][ T72] ipv6_find_idev+0x102/0x170 [ 1122.299451][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.299451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.299451][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.299451][ T72] netlink_unicast+0x449/0x710 [ 1122.299451][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.299451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.299451][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.299451][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.299451][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.299451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.299451][ T72] [ 1122.300978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1122.300978][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1122.300978][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1122.300978][ T72] ipv6_find_idev+0x102/0x170 [ 1122.300978][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.300978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.300978][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.300978][ T72] netlink_unicast+0x449/0x710 [ 1122.300978][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.300978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.300978][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.300978][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.300978][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.300978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.300978][ T72] [ 1122.302669][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1122.302953][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1122.302953][ T72] dst_init+0x84/0x4a0 [ 1122.302953][ T72] dst_alloc+0x97/0x150 [ 1122.302953][ T72] ip6_dst_alloc+0x23/0x90 [ 1122.302953][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1122.302953][ T72] ip6_pol_route+0x56f/0x840 [ 1122.302953][ T72] fib6_rule_lookup+0x456/0x630 [ 1122.302953][ T72] ip6_route_input+0x59c/0xa50 [ 1122.302953][ T72] ipv6_rcv+0x397/0x810 [ 1122.302953][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1122.302953][ T72] process_backlog+0x101/0x620 [ 1122.302953][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1122.302953][ T72] net_rx_action+0x495/0xbe0 [ 1122.302953][ T72] __do_softirq+0x1b5/0x7f6 [ 1122.302953][ T72] [ 1122.304574][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1122.304574][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.304574][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.304574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.304574][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1122.304574][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1122.304574][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1122.304574][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1122.304574][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1122.304574][ T72] addrconf_dad_begin+0x310/0x670 [ 1122.304574][ T72] addrconf_dad_work+0x10b/0xab0 [ 1122.304574][ T72] process_one_work+0x84d/0x18a0 [ 1122.304574][ T72] worker_thread+0x587/0xd30 [ 1122.304574][ T72] kthread+0x28a/0x350 [ 1122.304574][ T72] ret_from_fork+0x31/0x70 [ 1122.304574][ T72] ret_from_fork_asm+0x1a/0x30 [ 1122.304574][ T72] [ 1122.306459][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1122.306459][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.306459][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.306459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.306459][ T72] ip6_route_add+0x1c/0x140 [ 1122.306459][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1122.306459][ T72] inet6_addr_add+0x4f8/0xa40 [ 1122.306459][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.306459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.306459][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.306459][ T72] netlink_unicast+0x449/0x710 [ 1122.306459][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.306459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.306459][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.306459][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.306459][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.306459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.306459][ T72] [ 1122.308435][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1122.308435][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.308435][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.308435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.308435][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1122.308435][ T72] ipv6_add_addr+0x411/0x2000 [ 1122.308435][ T72] inet6_addr_add+0x30e/0xa40 [ 1122.308435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.308435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.308435][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.308435][ T72] netlink_unicast+0x449/0x710 [ 1122.308435][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.308435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.308435][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.308435][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.308435][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.308435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.308435][ T72] [ 1122.310415][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1122.310415][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.310415][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.310415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.310415][ T72] ip6_route_add+0x1c/0x140 [ 1122.310415][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1122.310415][ T72] addrconf_add_dev+0xe2/0x170 [ 1122.310415][ T72] inet6_addr_add+0x12f/0xa40 [ 1122.310415][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.310415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.310415][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.310415][ T72] netlink_unicast+0x449/0x710 [ 1122.310415][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.310415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.310415][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.310415][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.310415][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.310415][ T72] [ 1122.312762][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1122.312762][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1122.312762][ T72] ipv6_find_idev+0x102/0x170 [ 1122.312762][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.312762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.312762][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.312762][ T72] netlink_unicast+0x449/0x710 [ 1122.312762][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.312762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.312762][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.312762][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.312762][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.312762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.312762][ T72] [ 1122.314287][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1122.314287][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1122.314287][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1122.314287][ T72] ipv6_find_idev+0x102/0x170 [ 1122.314287][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.314287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.314287][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.314287][ T72] netlink_unicast+0x449/0x710 [ 1122.314287][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.314287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.314287][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.314287][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.314287][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.314287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.314287][ T72] [ 1122.316026][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1122.316354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1122.316354][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1122.316354][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1122.316354][ T72] fib6_nh_init+0xa22/0x1580 [ 1122.316354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.316354][ T72] ip6_route_add+0x1c/0x140 [ 1122.316354][ T72] inet6_rtm_newroute+0x104/0x110 [ 1122.316354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.316354][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.316354][ T72] netlink_unicast+0x449/0x710 [ 1122.316354][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.316354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.316354][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.316354][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.316354][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.316354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.316354][ T72] [ 1122.318823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1122.318823][ T72] dst_init+0x84/0x4a0 [ 1122.318823][ T72] dst_alloc+0x97/0x150 [ 1122.318823][ T72] ip6_dst_alloc+0x23/0x90 [ 1122.318823][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1122.318823][ T72] ip6_pol_route+0x56f/0x840 [ 1122.318823][ T72] fib6_rule_lookup+0x456/0x630 [ 1122.318823][ T72] ip6_route_input+0x59c/0xa50 [ 1122.318823][ T72] ipv6_rcv+0x397/0x810 [ 1122.318823][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1122.318823][ T72] process_backlog+0x101/0x620 [ 1122.318823][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1122.318823][ T72] net_rx_action+0x495/0xbe0 [ 1122.318823][ T72] __do_softirq+0x1b5/0x7f6 [ 1122.318823][ T72] [ 1122.320621][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1122.320621][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.320621][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.320621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.320621][ T72] ip6_route_add+0x1c/0x140 [ 1122.320621][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1122.320621][ T72] inet6_addr_add+0x4f8/0xa40 [ 1122.320621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.320621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.320621][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.320621][ T72] netlink_unicast+0x449/0x710 [ 1122.320621][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.320621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.320621][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.320621][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.320621][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.320621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.320621][ T72] [ 1122.322846][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1122.322846][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.322846][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.322846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.322846][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1122.322846][ T72] ipv6_add_addr+0x411/0x2000 [ 1122.322846][ T72] inet6_addr_add+0x30e/0xa40 [ 1122.322846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.322846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.322846][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.322846][ T72] netlink_unicast+0x449/0x710 [ 1122.322846][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.322846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.322846][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.322846][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.322846][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.322846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.322846][ T72] [ 1122.325073][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1122.325073][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.325073][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.325073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.325073][ T72] ip6_route_add+0x1c/0x140 [ 1122.325073][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1122.325073][ T72] addrconf_add_dev+0xe2/0x170 [ 1122.325073][ T72] inet6_addr_add+0x12f/0xa40 [ 1122.325073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.325073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.325073][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.325073][ T72] netlink_unicast+0x449/0x710 [ 1122.325073][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.325073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.325073][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.325073][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.325073][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.325073][ T72] [ 1122.327444][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1122.327444][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1122.327444][ T72] ipv6_find_idev+0x102/0x170 [ 1122.327444][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.327444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.327444][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.327444][ T72] netlink_unicast+0x449/0x710 [ 1122.327444][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.327444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.327444][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.327444][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.327444][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.327444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.327444][ T72] [ 1122.329162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1122.329162][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1122.329162][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1122.329162][ T72] ipv6_find_idev+0x102/0x170 [ 1122.329162][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.329162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.329162][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.329162][ T72] netlink_unicast+0x449/0x710 [ 1122.329162][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.329162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.329162][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.329162][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.329162][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.329162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.329162][ T72] [ 1122.331018][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1122.331374][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1122.331374][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.331374][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.331374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.331374][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1122.331374][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1122.331374][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1122.331374][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1122.331374][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1122.331374][ T72] addrconf_dad_begin+0x310/0x670 [ 1122.331374][ T72] addrconf_dad_work+0x10b/0xab0 [ 1122.331374][ T72] process_one_work+0x84d/0x18a0 [ 1122.331374][ T72] worker_thread+0x587/0xd30 [ 1122.331374][ T72] kthread+0x28a/0x350 [ 1122.331374][ T72] ret_from_fork+0x31/0x70 [ 1122.331374][ T72] ret_from_fork_asm+0x1a/0x30 [ 1122.331374][ T72] [ 1122.333454][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1122.333454][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.333454][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.333454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.333454][ T72] ip6_route_add+0x1c/0x140 [ 1122.333454][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1122.333454][ T72] inet6_addr_add+0x4f8/0xa40 [ 1122.333454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.333454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.333454][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.333454][ T72] netlink_unicast+0x449/0x710 [ 1122.333454][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.333454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.333454][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.333454][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.333454][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.333454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.333454][ T72] [ 1122.335669][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1122.335669][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.335669][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.335669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.335669][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1122.335669][ T72] ipv6_add_addr+0x411/0x2000 [ 1122.335669][ T72] inet6_addr_add+0x30e/0xa40 [ 1122.335669][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.335669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.335669][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.335669][ T72] netlink_unicast+0x449/0x710 [ 1122.335669][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.335669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.335669][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.335669][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.335669][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.335669][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.335669][ T72] [ 1122.337953][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1122.337953][ T72] netdev_get_by_index+0x5e/0x80 [ 1122.337953][ T72] fib6_nh_init+0x3d8/0x1580 [ 1122.337953][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1122.337953][ T72] ip6_route_add+0x1c/0x140 [ 1122.337953][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1122.337953][ T72] addrconf_add_dev+0xe2/0x170 [ 1122.337953][ T72] inet6_addr_add+0x12f/0xa40 [ 1122.337953][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.337953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.337953][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.337953][ T72] netlink_unicast+0x449/0x710 [ 1122.337953][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.337953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.337953][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.337953][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.337953][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.337953][ T72] [ 1122.340151][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1122.340151][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1122.340151][ T72] ipv6_find_idev+0x102/0x170 [ 1122.340151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.340151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.340151][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.340151][ T72] netlink_unicast+0x449/0x710 [ 1122.340151][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.340151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.340151][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.340151][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.340151][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.340151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.340151][ T72] [ 1122.341853][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1122.341853][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1122.341853][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1122.341853][ T72] ipv6_find_idev+0x102/0x170 [ 1122.341853][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.341853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.341853][ T72] netlink_rcv_skb+0x130/0x360 [ 1122.341853][ T72] netlink_unicast+0x449/0x710 [ 1122.341853][ T72] netlink_sendmsg+0x723/0xbe0 [ 1122.341853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1122.341853][ T72] ___sys_sendmsg+0xee/0x170 [ 1122.341853][ T72] __sys_sendmsg+0xcd/0x170 [ 1122.341853][ T72] do_syscall_64+0xc6/0x1e0 [ 1122.341853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.341853][ T72] [ 1132.360926][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1132.361577][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1132.361577][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1132.361577][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1132.361577][ T72] fib6_nh_init+0xa22/0x1580 [ 1132.361577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.361577][ T72] ip6_route_add+0x1c/0x140 [ 1132.361577][ T72] inet6_rtm_newroute+0x104/0x110 [ 1132.361577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.361577][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.361577][ T72] netlink_unicast+0x449/0x710 [ 1132.361577][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.361577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.361577][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.361577][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.361577][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.361577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.361577][ T72] [ 1132.363540][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1132.363540][ T72] dst_init+0x84/0x4a0 [ 1132.363540][ T72] dst_alloc+0x97/0x150 [ 1132.363540][ T72] ip6_dst_alloc+0x23/0x90 [ 1132.363540][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1132.363540][ T72] ip6_pol_route+0x56f/0x840 [ 1132.363540][ T72] fib6_rule_lookup+0x456/0x630 [ 1132.363540][ T72] ip6_route_input+0x59c/0xa50 [ 1132.363540][ T72] ipv6_rcv+0x397/0x810 [ 1132.363540][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1132.363540][ T72] process_backlog+0x101/0x620 [ 1132.363540][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1132.363540][ T72] net_rx_action+0x495/0xbe0 [ 1132.363540][ T72] __do_softirq+0x1b5/0x7f6 [ 1132.363540][ T72] [ 1132.365197][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1132.365197][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.365197][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.365197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.365197][ T72] ip6_route_add+0x1c/0x140 [ 1132.365197][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1132.365197][ T72] inet6_addr_add+0x4f8/0xa40 [ 1132.365197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.365197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.365197][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.365197][ T72] netlink_unicast+0x449/0x710 [ 1132.365197][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.365197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.365197][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.365197][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.365197][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.365197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.365197][ T72] [ 1132.367208][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1132.367208][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.367208][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.367208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.367208][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1132.367208][ T72] ipv6_add_addr+0x411/0x2000 [ 1132.367208][ T72] inet6_addr_add+0x30e/0xa40 [ 1132.367208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.367208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.367208][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.367208][ T72] netlink_unicast+0x449/0x710 [ 1132.367208][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.367208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.367208][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.367208][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.367208][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.367208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.367208][ T72] [ 1132.369210][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1132.369210][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.369210][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.369210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.369210][ T72] ip6_route_add+0x1c/0x140 [ 1132.369210][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1132.369210][ T72] addrconf_add_dev+0xe2/0x170 [ 1132.369210][ T72] inet6_addr_add+0x12f/0xa40 [ 1132.369210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.369210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.369210][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.369210][ T72] netlink_unicast+0x449/0x710 [ 1132.369210][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.369210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.369210][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.369210][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.369210][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.369210][ T72] [ 1132.371190][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1132.371190][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1132.371190][ T72] ipv6_find_idev+0x102/0x170 [ 1132.371190][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.371190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.371190][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.371190][ T72] netlink_unicast+0x449/0x710 [ 1132.371190][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.371190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.371190][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.371190][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.371190][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.371190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.371190][ T72] [ 1132.372742][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1132.372742][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1132.372742][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1132.372742][ T72] ipv6_find_idev+0x102/0x170 [ 1132.372742][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.372742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.372742][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.372742][ T72] netlink_unicast+0x449/0x710 [ 1132.372742][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.372742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.372742][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.372742][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.372742][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.372742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.372742][ T72] [ 1132.374463][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1132.374753][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1132.374753][ T72] dst_init+0x84/0x4a0 [ 1132.374753][ T72] dst_alloc+0x97/0x150 [ 1132.374753][ T72] ip6_dst_alloc+0x23/0x90 [ 1132.374753][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1132.374753][ T72] ip6_pol_route+0x56f/0x840 [ 1132.374753][ T72] fib6_rule_lookup+0x456/0x630 [ 1132.374753][ T72] ip6_route_input+0x59c/0xa50 [ 1132.374753][ T72] ipv6_rcv+0x397/0x810 [ 1132.374753][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1132.374753][ T72] process_backlog+0x101/0x620 [ 1132.374753][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1132.374753][ T72] net_rx_action+0x495/0xbe0 [ 1132.374753][ T72] __do_softirq+0x1b5/0x7f6 [ 1132.374753][ T72] [ 1132.376397][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1132.376397][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.376397][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.376397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.376397][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1132.376397][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1132.376397][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1132.376397][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1132.376397][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1132.376397][ T72] addrconf_dad_begin+0x310/0x670 [ 1132.376397][ T72] addrconf_dad_work+0x10b/0xab0 [ 1132.376397][ T72] process_one_work+0x84d/0x18a0 [ 1132.376397][ T72] worker_thread+0x587/0xd30 [ 1132.376397][ T72] kthread+0x28a/0x350 [ 1132.376397][ T72] ret_from_fork+0x31/0x70 [ 1132.376397][ T72] ret_from_fork_asm+0x1a/0x30 [ 1132.376397][ T72] [ 1132.378306][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1132.378306][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.378306][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.378306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.378306][ T72] ip6_route_add+0x1c/0x140 [ 1132.378306][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1132.378306][ T72] inet6_addr_add+0x4f8/0xa40 [ 1132.378306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.378306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.378306][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.378306][ T72] netlink_unicast+0x449/0x710 [ 1132.378306][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.378306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.378306][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.378306][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.378306][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.378306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.378306][ T72] [ 1132.380293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1132.380293][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.380293][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.380293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.380293][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1132.380293][ T72] ipv6_add_addr+0x411/0x2000 [ 1132.380293][ T72] inet6_addr_add+0x30e/0xa40 [ 1132.380293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.380293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.380293][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.380293][ T72] netlink_unicast+0x449/0x710 [ 1132.380293][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.380293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.380293][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.380293][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.380293][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.380293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.380293][ T72] [ 1132.382313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1132.382313][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.382313][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.382313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.382313][ T72] ip6_route_add+0x1c/0x140 [ 1132.382313][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1132.382313][ T72] addrconf_add_dev+0xe2/0x170 [ 1132.382313][ T72] inet6_addr_add+0x12f/0xa40 [ 1132.382313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.382313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.382313][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.382313][ T72] netlink_unicast+0x449/0x710 [ 1132.382313][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.382313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.382313][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.382313][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.382313][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.382313][ T72] [ 1132.384273][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1132.384273][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1132.384273][ T72] ipv6_find_idev+0x102/0x170 [ 1132.384273][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.384273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.384273][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.384273][ T72] netlink_unicast+0x449/0x710 [ 1132.384273][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.384273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.384273][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.384273][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.384273][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.384273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.384273][ T72] [ 1132.385801][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1132.385801][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1132.385801][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1132.385801][ T72] ipv6_find_idev+0x102/0x170 [ 1132.385801][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.385801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.385801][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.385801][ T72] netlink_unicast+0x449/0x710 [ 1132.385801][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.385801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.385801][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.385801][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.385801][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.385801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.385801][ T72] [ 1132.387565][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1132.387924][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1132.387924][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1132.387924][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1132.387924][ T72] fib6_nh_init+0xa22/0x1580 [ 1132.387924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.387924][ T72] ip6_route_add+0x1c/0x140 [ 1132.387924][ T72] inet6_rtm_newroute+0x104/0x110 [ 1132.387924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.387924][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.387924][ T72] netlink_unicast+0x449/0x710 [ 1132.387924][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.387924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.387924][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.387924][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.387924][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.387924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.387924][ T72] [ 1132.390045][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1132.390045][ T72] dst_init+0x84/0x4a0 [ 1132.390045][ T72] dst_alloc+0x97/0x150 [ 1132.390045][ T72] ip6_dst_alloc+0x23/0x90 [ 1132.390045][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1132.390045][ T72] ip6_pol_route+0x56f/0x840 [ 1132.390045][ T72] fib6_rule_lookup+0x456/0x630 [ 1132.390045][ T72] ip6_route_input+0x59c/0xa50 [ 1132.390045][ T72] ipv6_rcv+0x397/0x810 [ 1132.390045][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1132.390045][ T72] process_backlog+0x101/0x620 [ 1132.390045][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1132.390045][ T72] net_rx_action+0x495/0xbe0 [ 1132.390045][ T72] __do_softirq+0x1b5/0x7f6 [ 1132.390045][ T72] [ 1132.391868][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1132.391868][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.391868][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.391868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.391868][ T72] ip6_route_add+0x1c/0x140 [ 1132.391868][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1132.391868][ T72] inet6_addr_add+0x4f8/0xa40 [ 1132.391868][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.391868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.391868][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.391868][ T72] netlink_unicast+0x449/0x710 [ 1132.391868][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.391868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.391868][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.391868][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.391868][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.391868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.391868][ T72] [ 1132.394111][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1132.394111][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.394111][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.394111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.394111][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1132.394111][ T72] ipv6_add_addr+0x411/0x2000 [ 1132.394111][ T72] inet6_addr_add+0x30e/0xa40 [ 1132.394111][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.394111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.394111][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.394111][ T72] netlink_unicast+0x449/0x710 [ 1132.394111][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.394111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.394111][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.394111][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.394111][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.394111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.394111][ T72] [ 1132.396316][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1132.396316][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.396316][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.396316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.396316][ T72] ip6_route_add+0x1c/0x140 [ 1132.396316][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1132.396316][ T72] addrconf_add_dev+0xe2/0x170 [ 1132.396316][ T72] inet6_addr_add+0x12f/0xa40 [ 1132.396316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.396316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.396316][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.396316][ T72] netlink_unicast+0x449/0x710 [ 1132.396316][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.396316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.396316][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.396316][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.396316][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.396316][ T72] [ 1132.398577][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1132.398577][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1132.398577][ T72] ipv6_find_idev+0x102/0x170 [ 1132.398577][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.398577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.398577][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.398577][ T72] netlink_unicast+0x449/0x710 [ 1132.398577][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.398577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.398577][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.398577][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.398577][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.398577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.398577][ T72] [ 1132.400296][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1132.400296][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1132.400296][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1132.400296][ T72] ipv6_find_idev+0x102/0x170 [ 1132.400296][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.400296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.400296][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.400296][ T72] netlink_unicast+0x449/0x710 [ 1132.400296][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.400296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.400296][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.400296][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.400296][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.400296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.400296][ T72] [ 1132.402169][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1132.402474][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1132.402474][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.402474][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.402474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.402474][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1132.402474][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1132.402474][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1132.402474][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1132.402474][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1132.402474][ T72] addrconf_dad_begin+0x310/0x670 [ 1132.402474][ T72] addrconf_dad_work+0x10b/0xab0 [ 1132.402474][ T72] process_one_work+0x84d/0x18a0 [ 1132.402474][ T72] worker_thread+0x587/0xd30 [ 1132.402474][ T72] kthread+0x28a/0x350 [ 1132.402474][ T72] ret_from_fork+0x31/0x70 [ 1132.402474][ T72] ret_from_fork_asm+0x1a/0x30 [ 1132.402474][ T72] [ 1132.404634][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1132.404634][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.404634][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.404634][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.404634][ T72] ip6_route_add+0x1c/0x140 [ 1132.404634][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1132.404634][ T72] inet6_addr_add+0x4f8/0xa40 [ 1132.404634][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.404634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.404634][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.404634][ T72] netlink_unicast+0x449/0x710 [ 1132.404634][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.404634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.404634][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.404634][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.404634][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.404634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.404634][ T72] [ 1132.406885][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1132.406885][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.406885][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.406885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.406885][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1132.406885][ T72] ipv6_add_addr+0x411/0x2000 [ 1132.406885][ T72] inet6_addr_add+0x30e/0xa40 [ 1132.406885][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.406885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.406885][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.406885][ T72] netlink_unicast+0x449/0x710 [ 1132.406885][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.406885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.406885][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.406885][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.406885][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.406885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.406885][ T72] [ 1132.409253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1132.409253][ T72] netdev_get_by_index+0x5e/0x80 [ 1132.409253][ T72] fib6_nh_init+0x3d8/0x1580 [ 1132.409253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1132.409253][ T72] ip6_route_add+0x1c/0x140 [ 1132.409253][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1132.409253][ T72] addrconf_add_dev+0xe2/0x170 [ 1132.409253][ T72] inet6_addr_add+0x12f/0xa40 [ 1132.409253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.409253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.409253][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.409253][ T72] netlink_unicast+0x449/0x710 [ 1132.409253][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.409253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.409253][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.409253][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.409253][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.409253][ T72] [ 1132.411466][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1132.411466][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1132.411466][ T72] ipv6_find_idev+0x102/0x170 [ 1132.411466][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.411466][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.411466][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.411466][ T72] netlink_unicast+0x449/0x710 [ 1132.411466][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.411466][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.411466][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.411466][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.411466][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.411466][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.411466][ T72] [ 1132.413152][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1132.413152][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1132.413152][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1132.413152][ T72] ipv6_find_idev+0x102/0x170 [ 1132.413152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.413152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.413152][ T72] netlink_rcv_skb+0x130/0x360 [ 1132.413152][ T72] netlink_unicast+0x449/0x710 [ 1132.413152][ T72] netlink_sendmsg+0x723/0xbe0 [ 1132.413152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1132.413152][ T72] ___sys_sendmsg+0xee/0x170 [ 1132.413152][ T72] __sys_sendmsg+0xcd/0x170 [ 1132.413152][ T72] do_syscall_64+0xc6/0x1e0 [ 1132.413152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.413152][ T72] [ 1142.616983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1142.617494][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1142.617494][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1142.617494][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1142.617494][ T72] fib6_nh_init+0xa22/0x1580 [ 1142.617494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.617494][ T72] ip6_route_add+0x1c/0x140 [ 1142.617494][ T72] inet6_rtm_newroute+0x104/0x110 [ 1142.617494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.617494][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.617494][ T72] netlink_unicast+0x449/0x710 [ 1142.617494][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.617494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.617494][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.617494][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.617494][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.617494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.617494][ T72] [ 1142.619382][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1142.619382][ T72] dst_init+0x84/0x4a0 [ 1142.619382][ T72] dst_alloc+0x97/0x150 [ 1142.619382][ T72] ip6_dst_alloc+0x23/0x90 [ 1142.619382][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1142.619382][ T72] ip6_pol_route+0x56f/0x840 [ 1142.619382][ T72] fib6_rule_lookup+0x456/0x630 [ 1142.619382][ T72] ip6_route_input+0x59c/0xa50 [ 1142.619382][ T72] ipv6_rcv+0x397/0x810 [ 1142.619382][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1142.619382][ T72] process_backlog+0x101/0x620 [ 1142.619382][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1142.619382][ T72] net_rx_action+0x495/0xbe0 [ 1142.619382][ T72] __do_softirq+0x1b5/0x7f6 [ 1142.619382][ T72] [ 1142.621007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1142.621007][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.621007][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.621007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.621007][ T72] ip6_route_add+0x1c/0x140 [ 1142.621007][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1142.621007][ T72] inet6_addr_add+0x4f8/0xa40 [ 1142.621007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.621007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.621007][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.621007][ T72] netlink_unicast+0x449/0x710 [ 1142.621007][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.621007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.621007][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.621007][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.621007][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.621007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.621007][ T72] [ 1142.623005][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1142.623005][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.623005][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.623005][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.623005][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1142.623005][ T72] ipv6_add_addr+0x411/0x2000 [ 1142.623005][ T72] inet6_addr_add+0x30e/0xa40 [ 1142.623005][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.623005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.623005][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.623005][ T72] netlink_unicast+0x449/0x710 [ 1142.623005][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.623005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.623005][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.623005][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.623005][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.623005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.623005][ T72] [ 1142.625000][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1142.625000][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.625000][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.625000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.625000][ T72] ip6_route_add+0x1c/0x140 [ 1142.625000][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1142.625000][ T72] addrconf_add_dev+0xe2/0x170 [ 1142.625000][ T72] inet6_addr_add+0x12f/0xa40 [ 1142.625000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.625000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.625000][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.625000][ T72] netlink_unicast+0x449/0x710 [ 1142.625000][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.625000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.625000][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.625000][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.625000][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.625000][ T72] [ 1142.626942][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1142.626942][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1142.626942][ T72] ipv6_find_idev+0x102/0x170 [ 1142.626942][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.626942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.626942][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.626942][ T72] netlink_unicast+0x449/0x710 [ 1142.626942][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.626942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.626942][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.626942][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.626942][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.626942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.626942][ T72] [ 1142.628465][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1142.628465][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1142.628465][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1142.628465][ T72] ipv6_find_idev+0x102/0x170 [ 1142.628465][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.628465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.628465][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.628465][ T72] netlink_unicast+0x449/0x710 [ 1142.628465][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.628465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.628465][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.628465][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.628465][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.628465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.628465][ T72] [ 1142.630154][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1142.630420][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1142.630420][ T72] dst_init+0x84/0x4a0 [ 1142.630420][ T72] dst_alloc+0x97/0x150 [ 1142.630420][ T72] ip6_dst_alloc+0x23/0x90 [ 1142.630420][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1142.630420][ T72] ip6_pol_route+0x56f/0x840 [ 1142.630420][ T72] fib6_rule_lookup+0x456/0x630 [ 1142.630420][ T72] ip6_route_input+0x59c/0xa50 [ 1142.630420][ T72] ipv6_rcv+0x397/0x810 [ 1142.630420][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1142.630420][ T72] process_backlog+0x101/0x620 [ 1142.630420][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1142.630420][ T72] net_rx_action+0x495/0xbe0 [ 1142.630420][ T72] __do_softirq+0x1b5/0x7f6 [ 1142.630420][ T72] [ 1142.632042][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1142.632042][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.632042][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.632042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.632042][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1142.632042][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1142.632042][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1142.632042][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1142.632042][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1142.632042][ T72] addrconf_dad_begin+0x310/0x670 [ 1142.632042][ T72] addrconf_dad_work+0x10b/0xab0 [ 1142.632042][ T72] process_one_work+0x84d/0x18a0 [ 1142.632042][ T72] worker_thread+0x587/0xd30 [ 1142.632042][ T72] kthread+0x28a/0x350 [ 1142.632042][ T72] ret_from_fork+0x31/0x70 [ 1142.632042][ T72] ret_from_fork_asm+0x1a/0x30 [ 1142.632042][ T72] [ 1142.633932][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1142.633932][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.633932][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.633932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.633932][ T72] ip6_route_add+0x1c/0x140 [ 1142.633932][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1142.633932][ T72] inet6_addr_add+0x4f8/0xa40 [ 1142.633932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.633932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.633932][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.633932][ T72] netlink_unicast+0x449/0x710 [ 1142.633932][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.633932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.633932][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.633932][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.633932][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.633932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.633932][ T72] [ 1142.635926][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1142.635926][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.635926][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.635926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.635926][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1142.635926][ T72] ipv6_add_addr+0x411/0x2000 [ 1142.635926][ T72] inet6_addr_add+0x30e/0xa40 [ 1142.635926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.635926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.635926][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.635926][ T72] netlink_unicast+0x449/0x710 [ 1142.635926][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.635926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.635926][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.635926][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.635926][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.635926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.635926][ T72] [ 1142.637897][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1142.637897][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.637897][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.637897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.637897][ T72] ip6_route_add+0x1c/0x140 [ 1142.637897][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1142.637897][ T72] addrconf_add_dev+0xe2/0x170 [ 1142.637897][ T72] inet6_addr_add+0x12f/0xa40 [ 1142.637897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.637897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.637897][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.637897][ T72] netlink_unicast+0x449/0x710 [ 1142.637897][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.637897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.637897][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.637897][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.637897][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.637897][ T72] [ 1142.639834][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1142.639834][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1142.639834][ T72] ipv6_find_idev+0x102/0x170 [ 1142.639834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.639834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.639834][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.639834][ T72] netlink_unicast+0x449/0x710 [ 1142.639834][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.639834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.639834][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.639834][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.639834][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.639834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.639834][ T72] [ 1142.641359][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1142.641359][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1142.641359][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1142.641359][ T72] ipv6_find_idev+0x102/0x170 [ 1142.641359][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.641359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.641359][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.641359][ T72] netlink_unicast+0x449/0x710 [ 1142.641359][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.641359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.641359][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.641359][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.641359][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.641359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.641359][ T72] [ 1142.643092][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1142.643415][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1142.643415][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1142.643415][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1142.643415][ T72] fib6_nh_init+0xa22/0x1580 [ 1142.643415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.643415][ T72] ip6_route_add+0x1c/0x140 [ 1142.643415][ T72] inet6_rtm_newroute+0x104/0x110 [ 1142.643415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.643415][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.643415][ T72] netlink_unicast+0x449/0x710 [ 1142.643415][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.643415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.643415][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.643415][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.643415][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.643415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.643415][ T72] [ 1142.645510][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1142.645510][ T72] dst_init+0x84/0x4a0 [ 1142.645510][ T72] dst_alloc+0x97/0x150 [ 1142.645510][ T72] ip6_dst_alloc+0x23/0x90 [ 1142.645510][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1142.645510][ T72] ip6_pol_route+0x56f/0x840 [ 1142.645510][ T72] fib6_rule_lookup+0x456/0x630 [ 1142.645510][ T72] ip6_route_input+0x59c/0xa50 [ 1142.645510][ T72] ipv6_rcv+0x397/0x810 [ 1142.645510][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1142.645510][ T72] process_backlog+0x101/0x620 [ 1142.645510][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1142.645510][ T72] net_rx_action+0x495/0xbe0 [ 1142.645510][ T72] __do_softirq+0x1b5/0x7f6 [ 1142.645510][ T72] [ 1142.647300][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1142.647300][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.647300][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.647300][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.647300][ T72] ip6_route_add+0x1c/0x140 [ 1142.647300][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1142.647300][ T72] inet6_addr_add+0x4f8/0xa40 [ 1142.647300][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.647300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.647300][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.647300][ T72] netlink_unicast+0x449/0x710 [ 1142.647300][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.647300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.647300][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.647300][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.647300][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.647300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.647300][ T72] [ 1142.649510][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1142.649510][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.649510][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.649510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.649510][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1142.649510][ T72] ipv6_add_addr+0x411/0x2000 [ 1142.649510][ T72] inet6_addr_add+0x30e/0xa40 [ 1142.649510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.649510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.649510][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.649510][ T72] netlink_unicast+0x449/0x710 [ 1142.649510][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.649510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.649510][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.649510][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.649510][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.649510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.649510][ T72] [ 1142.651662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1142.651662][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.651662][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.651662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.651662][ T72] ip6_route_add+0x1c/0x140 [ 1142.651662][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1142.651662][ T72] addrconf_add_dev+0xe2/0x170 [ 1142.651662][ T72] inet6_addr_add+0x12f/0xa40 [ 1142.651662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.651662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.651662][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.651662][ T72] netlink_unicast+0x449/0x710 [ 1142.651662][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.651662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.651662][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.651662][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.651662][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.651662][ T72] [ 1142.653932][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1142.653932][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1142.653932][ T72] ipv6_find_idev+0x102/0x170 [ 1142.653932][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.653932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.653932][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.653932][ T72] netlink_unicast+0x449/0x710 [ 1142.653932][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.653932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.653932][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.653932][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.653932][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.653932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.653932][ T72] [ 1142.655656][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1142.655656][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1142.655656][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1142.655656][ T72] ipv6_find_idev+0x102/0x170 [ 1142.655656][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.655656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.655656][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.655656][ T72] netlink_unicast+0x449/0x710 [ 1142.655656][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.655656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.655656][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.655656][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.655656][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.655656][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.655656][ T72] [ 1142.657512][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1142.657786][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1142.657786][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.657786][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.657786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.657786][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1142.657786][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1142.657786][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1142.657786][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1142.657786][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1142.657786][ T72] addrconf_dad_begin+0x310/0x670 [ 1142.657786][ T72] addrconf_dad_work+0x10b/0xab0 [ 1142.657786][ T72] process_one_work+0x84d/0x18a0 [ 1142.657786][ T72] worker_thread+0x587/0xd30 [ 1142.657786][ T72] kthread+0x28a/0x350 [ 1142.657786][ T72] ret_from_fork+0x31/0x70 [ 1142.657786][ T72] ret_from_fork_asm+0x1a/0x30 [ 1142.657786][ T72] [ 1142.659936][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1142.659936][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.659936][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.659936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.659936][ T72] ip6_route_add+0x1c/0x140 [ 1142.659936][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1142.659936][ T72] inet6_addr_add+0x4f8/0xa40 [ 1142.659936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.659936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.659936][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.659936][ T72] netlink_unicast+0x449/0x710 [ 1142.659936][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.659936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.659936][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.659936][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.659936][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.659936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.659936][ T72] [ 1142.662150][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1142.662150][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.662150][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.662150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.662150][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1142.662150][ T72] ipv6_add_addr+0x411/0x2000 [ 1142.662150][ T72] inet6_addr_add+0x30e/0xa40 [ 1142.662150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.662150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.662150][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.662150][ T72] netlink_unicast+0x449/0x710 [ 1142.662150][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.662150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.662150][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.662150][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.662150][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.662150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.662150][ T72] [ 1142.664439][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1142.664439][ T72] netdev_get_by_index+0x5e/0x80 [ 1142.664439][ T72] fib6_nh_init+0x3d8/0x1580 [ 1142.664439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1142.664439][ T72] ip6_route_add+0x1c/0x140 [ 1142.664439][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1142.664439][ T72] addrconf_add_dev+0xe2/0x170 [ 1142.664439][ T72] inet6_addr_add+0x12f/0xa40 [ 1142.664439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.664439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.664439][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.664439][ T72] netlink_unicast+0x449/0x710 [ 1142.664439][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.664439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.664439][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.664439][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.664439][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.664439][ T72] [ 1142.666627][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1142.666627][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1142.666627][ T72] ipv6_find_idev+0x102/0x170 [ 1142.666627][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.666627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.666627][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.666627][ T72] netlink_unicast+0x449/0x710 [ 1142.666627][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.666627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.666627][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.666627][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.666627][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.666627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.666627][ T72] [ 1142.668270][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1142.668270][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1142.668270][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1142.668270][ T72] ipv6_find_idev+0x102/0x170 [ 1142.668270][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.668270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.668270][ T72] netlink_rcv_skb+0x130/0x360 [ 1142.668270][ T72] netlink_unicast+0x449/0x710 [ 1142.668270][ T72] netlink_sendmsg+0x723/0xbe0 [ 1142.668270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1142.668270][ T72] ___sys_sendmsg+0xee/0x170 [ 1142.668270][ T72] __sys_sendmsg+0xcd/0x170 [ 1142.668270][ T72] do_syscall_64+0xc6/0x1e0 [ 1142.668270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.668270][ T72] [ 1152.873010][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1152.873516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1152.873516][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1152.873516][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1152.873516][ T72] fib6_nh_init+0xa22/0x1580 [ 1152.873516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.873516][ T72] ip6_route_add+0x1c/0x140 [ 1152.873516][ T72] inet6_rtm_newroute+0x104/0x110 [ 1152.873516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.873516][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.873516][ T72] netlink_unicast+0x449/0x710 [ 1152.873516][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.873516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.873516][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.873516][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.873516][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.873516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.873516][ T72] [ 1152.875406][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1152.875406][ T72] dst_init+0x84/0x4a0 [ 1152.875406][ T72] dst_alloc+0x97/0x150 [ 1152.875406][ T72] ip6_dst_alloc+0x23/0x90 [ 1152.875406][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1152.875406][ T72] ip6_pol_route+0x56f/0x840 [ 1152.875406][ T72] fib6_rule_lookup+0x456/0x630 [ 1152.875406][ T72] ip6_route_input+0x59c/0xa50 [ 1152.875406][ T72] ipv6_rcv+0x397/0x810 [ 1152.875406][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1152.875406][ T72] process_backlog+0x101/0x620 [ 1152.875406][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1152.875406][ T72] net_rx_action+0x495/0xbe0 [ 1152.875406][ T72] __do_softirq+0x1b5/0x7f6 [ 1152.875406][ T72] [ 1152.877043][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1152.877043][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.877043][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.877043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.877043][ T72] ip6_route_add+0x1c/0x140 [ 1152.877043][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1152.877043][ T72] inet6_addr_add+0x4f8/0xa40 [ 1152.877043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.877043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.877043][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.877043][ T72] netlink_unicast+0x449/0x710 [ 1152.877043][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.877043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.877043][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.877043][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.877043][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.877043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.877043][ T72] [ 1152.879031][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1152.879031][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.879031][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.879031][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.879031][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1152.879031][ T72] ipv6_add_addr+0x411/0x2000 [ 1152.879031][ T72] inet6_addr_add+0x30e/0xa40 [ 1152.879031][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.879031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.879031][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.879031][ T72] netlink_unicast+0x449/0x710 [ 1152.879031][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.879031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.879031][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.879031][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.879031][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.879031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.879031][ T72] [ 1152.881018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1152.881018][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.881018][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.881018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.881018][ T72] ip6_route_add+0x1c/0x140 [ 1152.881018][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1152.881018][ T72] addrconf_add_dev+0xe2/0x170 [ 1152.881018][ T72] inet6_addr_add+0x12f/0xa40 [ 1152.881018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.881018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.881018][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.881018][ T72] netlink_unicast+0x449/0x710 [ 1152.881018][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.881018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.881018][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.881018][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.881018][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.881018][ T72] [ 1152.882994][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1152.882994][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1152.882994][ T72] ipv6_find_idev+0x102/0x170 [ 1152.882994][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.882994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.882994][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.882994][ T72] netlink_unicast+0x449/0x710 [ 1152.882994][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.882994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.882994][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.882994][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.882994][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.882994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.882994][ T72] [ 1152.884522][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1152.884522][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1152.884522][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1152.884522][ T72] ipv6_find_idev+0x102/0x170 [ 1152.884522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.884522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.884522][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.884522][ T72] netlink_unicast+0x449/0x710 [ 1152.884522][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.884522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.884522][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.884522][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.884522][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.884522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.884522][ T72] [ 1152.886208][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1152.886486][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1152.886486][ T72] dst_init+0x84/0x4a0 [ 1152.886486][ T72] dst_alloc+0x97/0x150 [ 1152.886486][ T72] ip6_dst_alloc+0x23/0x90 [ 1152.886486][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1152.886486][ T72] ip6_pol_route+0x56f/0x840 [ 1152.886486][ T72] fib6_rule_lookup+0x456/0x630 [ 1152.886486][ T72] ip6_route_input+0x59c/0xa50 [ 1152.886486][ T72] ipv6_rcv+0x397/0x810 [ 1152.886486][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1152.886486][ T72] process_backlog+0x101/0x620 [ 1152.886486][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1152.886486][ T72] net_rx_action+0x495/0xbe0 [ 1152.886486][ T72] __do_softirq+0x1b5/0x7f6 [ 1152.886486][ T72] [ 1152.888661][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1152.888661][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.888661][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.888661][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.888661][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1152.888661][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1152.888661][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1152.888661][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1152.888661][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1152.888661][ T72] addrconf_dad_begin+0x310/0x670 [ 1152.888661][ T72] addrconf_dad_work+0x10b/0xab0 [ 1152.888661][ T72] process_one_work+0x84d/0x18a0 [ 1152.888661][ T72] worker_thread+0x587/0xd30 [ 1152.888661][ T72] kthread+0x28a/0x350 [ 1152.888661][ T72] ret_from_fork+0x31/0x70 [ 1152.888661][ T72] ret_from_fork_asm+0x1a/0x30 [ 1152.888661][ T72] [ 1152.890550][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1152.890550][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.890550][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.890550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.890550][ T72] ip6_route_add+0x1c/0x140 [ 1152.890550][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1152.890550][ T72] inet6_addr_add+0x4f8/0xa40 [ 1152.890550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.890550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.890550][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.890550][ T72] netlink_unicast+0x449/0x710 [ 1152.890550][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.890550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.890550][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.890550][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.890550][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.890550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.890550][ T72] [ 1152.892537][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1152.892537][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.892537][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.892537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.892537][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1152.892537][ T72] ipv6_add_addr+0x411/0x2000 [ 1152.892537][ T72] inet6_addr_add+0x30e/0xa40 [ 1152.892537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.892537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.892537][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.892537][ T72] netlink_unicast+0x449/0x710 [ 1152.892537][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.892537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.892537][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.892537][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.892537][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.892537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.892537][ T72] [ 1152.894515][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1152.894515][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.894515][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.894515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.894515][ T72] ip6_route_add+0x1c/0x140 [ 1152.894515][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1152.894515][ T72] addrconf_add_dev+0xe2/0x170 [ 1152.894515][ T72] inet6_addr_add+0x12f/0xa40 [ 1152.894515][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.894515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.894515][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.894515][ T72] netlink_unicast+0x449/0x710 [ 1152.894515][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.894515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.894515][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.894515][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.894515][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.894515][ T72] [ 1152.896520][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1152.896520][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1152.896520][ T72] ipv6_find_idev+0x102/0x170 [ 1152.896520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.896520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.896520][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.896520][ T72] netlink_unicast+0x449/0x710 [ 1152.896520][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.896520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.896520][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.896520][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.896520][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.896520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.896520][ T72] [ 1152.898044][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1152.898044][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1152.898044][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1152.898044][ T72] ipv6_find_idev+0x102/0x170 [ 1152.898044][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.898044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.898044][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.898044][ T72] netlink_unicast+0x449/0x710 [ 1152.898044][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.898044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.898044][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.898044][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.898044][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.898044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.898044][ T72] [ 1152.899809][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1152.900172][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1152.900172][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1152.900172][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1152.900172][ T72] fib6_nh_init+0xa22/0x1580 [ 1152.900172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.900172][ T72] ip6_route_add+0x1c/0x140 [ 1152.900172][ T72] inet6_rtm_newroute+0x104/0x110 [ 1152.900172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.900172][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.900172][ T72] netlink_unicast+0x449/0x710 [ 1152.900172][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.900172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.900172][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.900172][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.900172][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.900172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.900172][ T72] [ 1152.902229][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1152.902229][ T72] dst_init+0x84/0x4a0 [ 1152.902229][ T72] dst_alloc+0x97/0x150 [ 1152.902229][ T72] ip6_dst_alloc+0x23/0x90 [ 1152.902229][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1152.902229][ T72] ip6_pol_route+0x56f/0x840 [ 1152.902229][ T72] fib6_rule_lookup+0x456/0x630 [ 1152.902229][ T72] ip6_route_input+0x59c/0xa50 [ 1152.902229][ T72] ipv6_rcv+0x397/0x810 [ 1152.902229][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1152.902229][ T72] process_backlog+0x101/0x620 [ 1152.902229][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1152.902229][ T72] net_rx_action+0x495/0xbe0 [ 1152.902229][ T72] __do_softirq+0x1b5/0x7f6 [ 1152.902229][ T72] [ 1152.904120][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1152.904120][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.904120][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.904120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.904120][ T72] ip6_route_add+0x1c/0x140 [ 1152.904120][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1152.904120][ T72] inet6_addr_add+0x4f8/0xa40 [ 1152.904120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.904120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.904120][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.904120][ T72] netlink_unicast+0x449/0x710 [ 1152.904120][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.904120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.904120][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.904120][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.904120][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.904120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.904120][ T72] [ 1152.906352][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1152.906352][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.906352][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.906352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.906352][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1152.906352][ T72] ipv6_add_addr+0x411/0x2000 [ 1152.906352][ T72] inet6_addr_add+0x30e/0xa40 [ 1152.906352][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.906352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.906352][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.906352][ T72] netlink_unicast+0x449/0x710 [ 1152.906352][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.906352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.906352][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.906352][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.906352][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.906352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.906352][ T72] [ 1152.908586][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1152.908586][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.908586][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.908586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.908586][ T72] ip6_route_add+0x1c/0x140 [ 1152.908586][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1152.908586][ T72] addrconf_add_dev+0xe2/0x170 [ 1152.908586][ T72] inet6_addr_add+0x12f/0xa40 [ 1152.908586][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.908586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.908586][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.908586][ T72] netlink_unicast+0x449/0x710 [ 1152.908586][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.908586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.908586][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.908586][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.908586][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.908586][ T72] [ 1152.910849][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1152.910849][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1152.910849][ T72] ipv6_find_idev+0x102/0x170 [ 1152.910849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.910849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.910849][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.910849][ T72] netlink_unicast+0x449/0x710 [ 1152.910849][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.910849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.910849][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.910849][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.910849][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.910849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.910849][ T72] [ 1152.912574][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1152.912574][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1152.912574][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1152.912574][ T72] ipv6_find_idev+0x102/0x170 [ 1152.912574][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.912574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.912574][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.912574][ T72] netlink_unicast+0x449/0x710 [ 1152.912574][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.912574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.912574][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.912574][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.912574][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.912574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.912574][ T72] [ 1152.914459][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1152.914748][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1152.914748][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.914748][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.914748][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.914748][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1152.914748][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1152.914748][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1152.914748][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1152.914748][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1152.914748][ T72] addrconf_dad_begin+0x310/0x670 [ 1152.914748][ T72] addrconf_dad_work+0x10b/0xab0 [ 1152.914748][ T72] process_one_work+0x84d/0x18a0 [ 1152.914748][ T72] worker_thread+0x587/0xd30 [ 1152.914748][ T72] kthread+0x28a/0x350 [ 1152.914748][ T72] ret_from_fork+0x31/0x70 [ 1152.914748][ T72] ret_from_fork_asm+0x1a/0x30 [ 1152.914748][ T72] [ 1152.916892][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1152.916892][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.916892][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.916892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.916892][ T72] ip6_route_add+0x1c/0x140 [ 1152.916892][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1152.916892][ T72] inet6_addr_add+0x4f8/0xa40 [ 1152.916892][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.916892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.916892][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.916892][ T72] netlink_unicast+0x449/0x710 [ 1152.916892][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.916892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.916892][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.916892][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.916892][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.916892][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.916892][ T72] [ 1152.919119][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1152.919119][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.919119][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.919119][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.919119][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1152.919119][ T72] ipv6_add_addr+0x411/0x2000 [ 1152.919119][ T72] inet6_addr_add+0x30e/0xa40 [ 1152.919119][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.919119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.919119][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.919119][ T72] netlink_unicast+0x449/0x710 [ 1152.919119][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.919119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.919119][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.919119][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.919119][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.919119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.919119][ T72] [ 1152.921404][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1152.921404][ T72] netdev_get_by_index+0x5e/0x80 [ 1152.921404][ T72] fib6_nh_init+0x3d8/0x1580 [ 1152.921404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1152.921404][ T72] ip6_route_add+0x1c/0x140 [ 1152.921404][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1152.921404][ T72] addrconf_add_dev+0xe2/0x170 [ 1152.921404][ T72] inet6_addr_add+0x12f/0xa40 [ 1152.921404][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.921404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.921404][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.921404][ T72] netlink_unicast+0x449/0x710 [ 1152.921404][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.921404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.921404][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.921404][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.921404][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.921404][ T72] [ 1152.923609][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1152.923609][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1152.923609][ T72] ipv6_find_idev+0x102/0x170 [ 1152.923609][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.923609][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.923609][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.923609][ T72] netlink_unicast+0x449/0x710 [ 1152.923609][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.923609][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.923609][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.923609][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.923609][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.923609][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.923609][ T72] [ 1152.925254][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1152.925254][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1152.925254][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1152.925254][ T72] ipv6_find_idev+0x102/0x170 [ 1152.925254][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.925254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.925254][ T72] netlink_rcv_skb+0x130/0x360 [ 1152.925254][ T72] netlink_unicast+0x449/0x710 [ 1152.925254][ T72] netlink_sendmsg+0x723/0xbe0 [ 1152.925254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1152.925254][ T72] ___sys_sendmsg+0xee/0x170 [ 1152.925254][ T72] __sys_sendmsg+0xcd/0x170 [ 1152.925254][ T72] do_syscall_64+0xc6/0x1e0 [ 1152.925254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.925254][ T72] [ 1163.168922][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1163.169433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1163.169433][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1163.169433][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1163.169433][ T72] fib6_nh_init+0xa22/0x1580 [ 1163.169433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.169433][ T72] ip6_route_add+0x1c/0x140 [ 1163.169433][ T72] inet6_rtm_newroute+0x104/0x110 [ 1163.169433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.169433][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.169433][ T72] netlink_unicast+0x449/0x710 [ 1163.169433][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.169433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.169433][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.169433][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.169433][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.169433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.169433][ T72] [ 1163.171332][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1163.171332][ T72] dst_init+0x84/0x4a0 [ 1163.171332][ T72] dst_alloc+0x97/0x150 [ 1163.171332][ T72] ip6_dst_alloc+0x23/0x90 [ 1163.171332][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1163.171332][ T72] ip6_pol_route+0x56f/0x840 [ 1163.171332][ T72] fib6_rule_lookup+0x456/0x630 [ 1163.171332][ T72] ip6_route_input+0x59c/0xa50 [ 1163.171332][ T72] ipv6_rcv+0x397/0x810 [ 1163.171332][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1163.171332][ T72] process_backlog+0x101/0x620 [ 1163.171332][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1163.171332][ T72] net_rx_action+0x495/0xbe0 [ 1163.171332][ T72] __do_softirq+0x1b5/0x7f6 [ 1163.171332][ T72] [ 1163.172993][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1163.172993][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.172993][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.172993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.172993][ T72] ip6_route_add+0x1c/0x140 [ 1163.172993][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1163.172993][ T72] inet6_addr_add+0x4f8/0xa40 [ 1163.172993][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.172993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.172993][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.172993][ T72] netlink_unicast+0x449/0x710 [ 1163.172993][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.172993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.172993][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.172993][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.172993][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.172993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.172993][ T72] [ 1163.174978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1163.174978][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.174978][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.174978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.174978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1163.174978][ T72] ipv6_add_addr+0x411/0x2000 [ 1163.174978][ T72] inet6_addr_add+0x30e/0xa40 [ 1163.174978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.174978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.174978][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.174978][ T72] netlink_unicast+0x449/0x710 [ 1163.174978][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.174978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.174978][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.174978][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.174978][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.174978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.174978][ T72] [ 1163.177022][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1163.177022][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.177022][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.177022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.177022][ T72] ip6_route_add+0x1c/0x140 [ 1163.177022][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1163.177022][ T72] addrconf_add_dev+0xe2/0x170 [ 1163.177022][ T72] inet6_addr_add+0x12f/0xa40 [ 1163.177022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.177022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.177022][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.177022][ T72] netlink_unicast+0x449/0x710 [ 1163.177022][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.177022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.177022][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.177022][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.177022][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.177022][ T72] [ 1163.178974][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1163.178974][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1163.178974][ T72] ipv6_find_idev+0x102/0x170 [ 1163.178974][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.178974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.178974][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.178974][ T72] netlink_unicast+0x449/0x710 [ 1163.178974][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.178974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.178974][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.178974][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.178974][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.178974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.178974][ T72] [ 1163.180504][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1163.180504][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1163.180504][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1163.180504][ T72] ipv6_find_idev+0x102/0x170 [ 1163.180504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.180504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.180504][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.180504][ T72] netlink_unicast+0x449/0x710 [ 1163.180504][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.180504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.180504][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.180504][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.180504][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.180504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.180504][ T72] [ 1163.182215][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1163.182488][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1163.182488][ T72] dst_init+0x84/0x4a0 [ 1163.182488][ T72] dst_alloc+0x97/0x150 [ 1163.182488][ T72] ip6_dst_alloc+0x23/0x90 [ 1163.182488][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1163.182488][ T72] ip6_pol_route+0x56f/0x840 [ 1163.182488][ T72] fib6_rule_lookup+0x456/0x630 [ 1163.182488][ T72] ip6_route_input+0x59c/0xa50 [ 1163.182488][ T72] ipv6_rcv+0x397/0x810 [ 1163.182488][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1163.182488][ T72] process_backlog+0x101/0x620 [ 1163.182488][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1163.182488][ T72] net_rx_action+0x495/0xbe0 [ 1163.182488][ T72] __do_softirq+0x1b5/0x7f6 [ 1163.182488][ T72] [ 1163.184115][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1163.184115][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.184115][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.184115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.184115][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1163.184115][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1163.184115][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1163.184115][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1163.184115][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1163.184115][ T72] addrconf_dad_begin+0x310/0x670 [ 1163.184115][ T72] addrconf_dad_work+0x10b/0xab0 [ 1163.184115][ T72] process_one_work+0x84d/0x18a0 [ 1163.184115][ T72] worker_thread+0x587/0xd30 [ 1163.184115][ T72] kthread+0x28a/0x350 [ 1163.184115][ T72] ret_from_fork+0x31/0x70 [ 1163.184115][ T72] ret_from_fork_asm+0x1a/0x30 [ 1163.184115][ T72] [ 1163.186008][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1163.186008][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.186008][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.186008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.186008][ T72] ip6_route_add+0x1c/0x140 [ 1163.186008][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1163.186008][ T72] inet6_addr_add+0x4f8/0xa40 [ 1163.186008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.186008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.186008][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.186008][ T72] netlink_unicast+0x449/0x710 [ 1163.186008][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.186008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.186008][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.186008][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.186008][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.186008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.186008][ T72] [ 1163.187988][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1163.187988][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.187988][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.187988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.187988][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1163.187988][ T72] ipv6_add_addr+0x411/0x2000 [ 1163.187988][ T72] inet6_addr_add+0x30e/0xa40 [ 1163.187988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.187988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.187988][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.187988][ T72] netlink_unicast+0x449/0x710 [ 1163.187988][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.187988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.187988][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.187988][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.187988][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.187988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.187988][ T72] [ 1163.189967][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1163.189967][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.189967][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.189967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.189967][ T72] ip6_route_add+0x1c/0x140 [ 1163.189967][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1163.189967][ T72] addrconf_add_dev+0xe2/0x170 [ 1163.189967][ T72] inet6_addr_add+0x12f/0xa40 [ 1163.189967][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.189967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.189967][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.189967][ T72] netlink_unicast+0x449/0x710 [ 1163.189967][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.189967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.189967][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.189967][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.189967][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.189967][ T72] [ 1163.191915][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1163.191915][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1163.191915][ T72] ipv6_find_idev+0x102/0x170 [ 1163.191915][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.191915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.191915][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.191915][ T72] netlink_unicast+0x449/0x710 [ 1163.191915][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.191915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.191915][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.191915][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.191915][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.191915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.191915][ T72] [ 1163.193447][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1163.193447][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1163.193447][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1163.193447][ T72] ipv6_find_idev+0x102/0x170 [ 1163.193447][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.193447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.193447][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.193447][ T72] netlink_unicast+0x449/0x710 [ 1163.193447][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.193447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.193447][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.193447][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.193447][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.193447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.193447][ T72] [ 1163.195190][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1163.195514][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1163.195514][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1163.195514][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1163.195514][ T72] fib6_nh_init+0xa22/0x1580 [ 1163.195514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.195514][ T72] ip6_route_add+0x1c/0x140 [ 1163.195514][ T72] inet6_rtm_newroute+0x104/0x110 [ 1163.195514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.195514][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.195514][ T72] netlink_unicast+0x449/0x710 [ 1163.195514][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.195514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.195514][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.195514][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.195514][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.195514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.195514][ T72] [ 1163.197619][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1163.197619][ T72] dst_init+0x84/0x4a0 [ 1163.197619][ T72] dst_alloc+0x97/0x150 [ 1163.197619][ T72] ip6_dst_alloc+0x23/0x90 [ 1163.197619][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1163.197619][ T72] ip6_pol_route+0x56f/0x840 [ 1163.197619][ T72] fib6_rule_lookup+0x456/0x630 [ 1163.197619][ T72] ip6_route_input+0x59c/0xa50 [ 1163.197619][ T72] ipv6_rcv+0x397/0x810 [ 1163.197619][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1163.197619][ T72] process_backlog+0x101/0x620 [ 1163.197619][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1163.197619][ T72] net_rx_action+0x495/0xbe0 [ 1163.197619][ T72] __do_softirq+0x1b5/0x7f6 [ 1163.197619][ T72] [ 1163.199435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1163.199435][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.199435][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.199435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.199435][ T72] ip6_route_add+0x1c/0x140 [ 1163.199435][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1163.199435][ T72] inet6_addr_add+0x4f8/0xa40 [ 1163.199435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.199435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.199435][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.199435][ T72] netlink_unicast+0x449/0x710 [ 1163.199435][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.199435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.199435][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.199435][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.199435][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.199435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.199435][ T72] [ 1163.201667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1163.201667][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.201667][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.201667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.201667][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1163.201667][ T72] ipv6_add_addr+0x411/0x2000 [ 1163.201667][ T72] inet6_addr_add+0x30e/0xa40 [ 1163.201667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.201667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.201667][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.201667][ T72] netlink_unicast+0x449/0x710 [ 1163.201667][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.201667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.201667][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.201667][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.201667][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.201667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.201667][ T72] [ 1163.203907][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1163.203907][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.203907][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.203907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.203907][ T72] ip6_route_add+0x1c/0x140 [ 1163.203907][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1163.203907][ T72] addrconf_add_dev+0xe2/0x170 [ 1163.203907][ T72] inet6_addr_add+0x12f/0xa40 [ 1163.203907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.203907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.203907][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.203907][ T72] netlink_unicast+0x449/0x710 [ 1163.203907][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.203907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.203907][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.203907][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.203907][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.203907][ T72] [ 1163.206202][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1163.206202][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1163.206202][ T72] ipv6_find_idev+0x102/0x170 [ 1163.206202][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.206202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.206202][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.206202][ T72] netlink_unicast+0x449/0x710 [ 1163.206202][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.206202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.206202][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.206202][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.206202][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.206202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.206202][ T72] [ 1163.207922][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1163.207922][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1163.207922][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1163.207922][ T72] ipv6_find_idev+0x102/0x170 [ 1163.207922][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.207922][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.207922][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.207922][ T72] netlink_unicast+0x449/0x710 [ 1163.207922][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.207922][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.207922][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.207922][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.207922][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.207922][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.207922][ T72] [ 1163.209784][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1163.210571][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1163.210571][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.210571][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.210571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.210571][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1163.210571][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1163.210571][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1163.210571][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1163.210571][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1163.210571][ T72] addrconf_dad_begin+0x310/0x670 [ 1163.210571][ T72] addrconf_dad_work+0x10b/0xab0 [ 1163.210571][ T72] process_one_work+0x84d/0x18a0 [ 1163.210571][ T72] worker_thread+0x587/0xd30 [ 1163.210571][ T72] kthread+0x28a/0x350 [ 1163.210571][ T72] ret_from_fork+0x31/0x70 [ 1163.210571][ T72] ret_from_fork_asm+0x1a/0x30 [ 1163.210571][ T72] [ 1163.212467][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1163.212467][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.212467][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.212467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.212467][ T72] ip6_route_add+0x1c/0x140 [ 1163.212467][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1163.212467][ T72] inet6_addr_add+0x4f8/0xa40 [ 1163.212467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.212467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.212467][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.212467][ T72] netlink_unicast+0x449/0x710 [ 1163.212467][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.212467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.212467][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.212467][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.212467][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.212467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.212467][ T72] [ 1163.214510][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1163.214510][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.214510][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.214510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.214510][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1163.214510][ T72] ipv6_add_addr+0x411/0x2000 [ 1163.214510][ T72] inet6_addr_add+0x30e/0xa40 [ 1163.214510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.214510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.214510][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.214510][ T72] netlink_unicast+0x449/0x710 [ 1163.214510][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.214510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.214510][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.214510][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.214510][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.214510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.214510][ T72] [ 1163.216726][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1163.216726][ T72] netdev_get_by_index+0x5e/0x80 [ 1163.216726][ T72] fib6_nh_init+0x3d8/0x1580 [ 1163.216726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1163.216726][ T72] ip6_route_add+0x1c/0x140 [ 1163.216726][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1163.216726][ T72] addrconf_add_dev+0xe2/0x170 [ 1163.216726][ T72] inet6_addr_add+0x12f/0xa40 [ 1163.216726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.216726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.216726][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.216726][ T72] netlink_unicast+0x449/0x710 [ 1163.216726][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.216726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.216726][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.216726][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.216726][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.216726][ T72] [ 1163.218979][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1163.218979][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1163.218979][ T72] ipv6_find_idev+0x102/0x170 [ 1163.218979][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.218979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.218979][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.218979][ T72] netlink_unicast+0x449/0x710 [ 1163.218979][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.218979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.218979][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.218979][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.218979][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.218979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.218979][ T72] [ 1163.220687][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1163.220687][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1163.220687][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1163.220687][ T72] ipv6_find_idev+0x102/0x170 [ 1163.220687][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.220687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.220687][ T72] netlink_rcv_skb+0x130/0x360 [ 1163.220687][ T72] netlink_unicast+0x449/0x710 [ 1163.220687][ T72] netlink_sendmsg+0x723/0xbe0 [ 1163.220687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1163.220687][ T72] ___sys_sendmsg+0xee/0x170 [ 1163.220687][ T72] __sys_sendmsg+0xcd/0x170 [ 1163.220687][ T72] do_syscall_64+0xc6/0x1e0 [ 1163.220687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.220687][ T72] [ 1173.312887][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1173.313335][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1173.313335][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1173.313335][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1173.313335][ T72] fib6_nh_init+0xa22/0x1580 [ 1173.313335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.313335][ T72] ip6_route_add+0x1c/0x140 [ 1173.313335][ T72] inet6_rtm_newroute+0x104/0x110 [ 1173.313335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.313335][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.313335][ T72] netlink_unicast+0x449/0x710 [ 1173.313335][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.313335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.313335][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.313335][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.313335][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.313335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.313335][ T72] [ 1173.315240][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1173.315240][ T72] dst_init+0x84/0x4a0 [ 1173.315240][ T72] dst_alloc+0x97/0x150 [ 1173.315240][ T72] ip6_dst_alloc+0x23/0x90 [ 1173.315240][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1173.315240][ T72] ip6_pol_route+0x56f/0x840 [ 1173.315240][ T72] fib6_rule_lookup+0x456/0x630 [ 1173.315240][ T72] ip6_route_input+0x59c/0xa50 [ 1173.315240][ T72] ipv6_rcv+0x397/0x810 [ 1173.315240][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1173.315240][ T72] process_backlog+0x101/0x620 [ 1173.315240][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1173.315240][ T72] net_rx_action+0x495/0xbe0 [ 1173.315240][ T72] __do_softirq+0x1b5/0x7f6 [ 1173.315240][ T72] [ 1173.316864][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1173.316864][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.316864][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.316864][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.316864][ T72] ip6_route_add+0x1c/0x140 [ 1173.316864][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1173.316864][ T72] inet6_addr_add+0x4f8/0xa40 [ 1173.316864][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.316864][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.316864][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.316864][ T72] netlink_unicast+0x449/0x710 [ 1173.316864][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.316864][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.316864][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.316864][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.316864][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.316864][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.316864][ T72] [ 1173.318849][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1173.318849][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.318849][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.318849][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.318849][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1173.318849][ T72] ipv6_add_addr+0x411/0x2000 [ 1173.318849][ T72] inet6_addr_add+0x30e/0xa40 [ 1173.318849][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.318849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.318849][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.318849][ T72] netlink_unicast+0x449/0x710 [ 1173.318849][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.318849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.318849][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.318849][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.318849][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.318849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.318849][ T72] [ 1173.320832][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1173.320832][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.320832][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.320832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.320832][ T72] ip6_route_add+0x1c/0x140 [ 1173.320832][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1173.320832][ T72] addrconf_add_dev+0xe2/0x170 [ 1173.320832][ T72] inet6_addr_add+0x12f/0xa40 [ 1173.320832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.320832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.320832][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.320832][ T72] netlink_unicast+0x449/0x710 [ 1173.320832][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.320832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.320832][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.320832][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.320832][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.320832][ T72] [ 1173.322798][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1173.322798][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1173.322798][ T72] ipv6_find_idev+0x102/0x170 [ 1173.322798][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.322798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.322798][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.322798][ T72] netlink_unicast+0x449/0x710 [ 1173.322798][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.322798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.322798][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.322798][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.322798][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.322798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.322798][ T72] [ 1173.324325][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1173.324325][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1173.324325][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1173.324325][ T72] ipv6_find_idev+0x102/0x170 [ 1173.324325][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.324325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.324325][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.324325][ T72] netlink_unicast+0x449/0x710 [ 1173.324325][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.324325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.324325][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.324325][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.324325][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.324325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.324325][ T72] [ 1173.326016][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1173.326284][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1173.326284][ T72] dst_init+0x84/0x4a0 [ 1173.326284][ T72] dst_alloc+0x97/0x150 [ 1173.326284][ T72] ip6_dst_alloc+0x23/0x90 [ 1173.326284][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1173.326284][ T72] ip6_pol_route+0x56f/0x840 [ 1173.326284][ T72] fib6_rule_lookup+0x456/0x630 [ 1173.326284][ T72] ip6_route_input+0x59c/0xa50 [ 1173.326284][ T72] ipv6_rcv+0x397/0x810 [ 1173.326284][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1173.326284][ T72] process_backlog+0x101/0x620 [ 1173.326284][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1173.326284][ T72] net_rx_action+0x495/0xbe0 [ 1173.326284][ T72] __do_softirq+0x1b5/0x7f6 [ 1173.326284][ T72] [ 1173.327918][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1173.327918][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.327918][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.327918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.327918][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1173.327918][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1173.327918][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1173.327918][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1173.327918][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1173.327918][ T72] addrconf_dad_begin+0x310/0x670 [ 1173.327918][ T72] addrconf_dad_work+0x10b/0xab0 [ 1173.327918][ T72] process_one_work+0x84d/0x18a0 [ 1173.327918][ T72] worker_thread+0x587/0xd30 [ 1173.327918][ T72] kthread+0x28a/0x350 [ 1173.327918][ T72] ret_from_fork+0x31/0x70 [ 1173.327918][ T72] ret_from_fork_asm+0x1a/0x30 [ 1173.327918][ T72] [ 1173.329815][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1173.329815][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.329815][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.329815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.329815][ T72] ip6_route_add+0x1c/0x140 [ 1173.329815][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1173.329815][ T72] inet6_addr_add+0x4f8/0xa40 [ 1173.329815][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.329815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.329815][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.329815][ T72] netlink_unicast+0x449/0x710 [ 1173.329815][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.329815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.329815][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.329815][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.329815][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.329815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.329815][ T72] [ 1173.331796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1173.331796][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.331796][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.331796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.331796][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1173.331796][ T72] ipv6_add_addr+0x411/0x2000 [ 1173.331796][ T72] inet6_addr_add+0x30e/0xa40 [ 1173.331796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.331796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.331796][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.331796][ T72] netlink_unicast+0x449/0x710 [ 1173.331796][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.331796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.331796][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.331796][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.331796][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.331796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.331796][ T72] [ 1173.333786][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1173.333786][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.333786][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.333786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.333786][ T72] ip6_route_add+0x1c/0x140 [ 1173.333786][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1173.333786][ T72] addrconf_add_dev+0xe2/0x170 [ 1173.333786][ T72] inet6_addr_add+0x12f/0xa40 [ 1173.333786][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.333786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.333786][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.333786][ T72] netlink_unicast+0x449/0x710 [ 1173.333786][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.333786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.333786][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.333786][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.333786][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.333786][ T72] [ 1173.335735][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1173.335735][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1173.335735][ T72] ipv6_find_idev+0x102/0x170 [ 1173.335735][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.335735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.335735][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.335735][ T72] netlink_unicast+0x449/0x710 [ 1173.335735][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.335735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.335735][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.335735][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.335735][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.335735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.335735][ T72] [ 1173.337262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1173.337262][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1173.337262][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1173.337262][ T72] ipv6_find_idev+0x102/0x170 [ 1173.337262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.337262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.337262][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.337262][ T72] netlink_unicast+0x449/0x710 [ 1173.337262][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.337262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.337262][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.337262][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.337262][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.337262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.337262][ T72] [ 1173.338990][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1173.339310][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1173.339310][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1173.339310][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1173.339310][ T72] fib6_nh_init+0xa22/0x1580 [ 1173.339310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.339310][ T72] ip6_route_add+0x1c/0x140 [ 1173.339310][ T72] inet6_rtm_newroute+0x104/0x110 [ 1173.339310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.339310][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.339310][ T72] netlink_unicast+0x449/0x710 [ 1173.339310][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.339310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.339310][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.339310][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.339310][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.339310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.339310][ T72] [ 1173.341419][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1173.341419][ T72] dst_init+0x84/0x4a0 [ 1173.341419][ T72] dst_alloc+0x97/0x150 [ 1173.341419][ T72] ip6_dst_alloc+0x23/0x90 [ 1173.341419][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1173.341419][ T72] ip6_pol_route+0x56f/0x840 [ 1173.341419][ T72] fib6_rule_lookup+0x456/0x630 [ 1173.341419][ T72] ip6_route_input+0x59c/0xa50 [ 1173.341419][ T72] ipv6_rcv+0x397/0x810 [ 1173.341419][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1173.341419][ T72] process_backlog+0x101/0x620 [ 1173.341419][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1173.341419][ T72] net_rx_action+0x495/0xbe0 [ 1173.341419][ T72] __do_softirq+0x1b5/0x7f6 [ 1173.341419][ T72] [ 1173.343237][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1173.343237][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.343237][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.343237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.343237][ T72] ip6_route_add+0x1c/0x140 [ 1173.343237][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1173.343237][ T72] inet6_addr_add+0x4f8/0xa40 [ 1173.343237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.343237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.343237][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.343237][ T72] netlink_unicast+0x449/0x710 [ 1173.343237][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.343237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.343237][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.343237][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.343237][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.343237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.343237][ T72] [ 1173.345484][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1173.345484][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.345484][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.345484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.345484][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1173.345484][ T72] ipv6_add_addr+0x411/0x2000 [ 1173.345484][ T72] inet6_addr_add+0x30e/0xa40 [ 1173.345484][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.345484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.345484][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.345484][ T72] netlink_unicast+0x449/0x710 [ 1173.345484][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.345484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.345484][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.345484][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.345484][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.345484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.345484][ T72] [ 1173.347665][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1173.347665][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.347665][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.347665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.347665][ T72] ip6_route_add+0x1c/0x140 [ 1173.347665][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1173.347665][ T72] addrconf_add_dev+0xe2/0x170 [ 1173.347665][ T72] inet6_addr_add+0x12f/0xa40 [ 1173.347665][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.347665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.347665][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.347665][ T72] netlink_unicast+0x449/0x710 [ 1173.347665][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.347665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.347665][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.347665][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.347665][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.347665][ T72] [ 1173.349920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1173.349920][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1173.349920][ T72] ipv6_find_idev+0x102/0x170 [ 1173.349920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.349920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.349920][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.349920][ T72] netlink_unicast+0x449/0x710 [ 1173.349920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.349920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.349920][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.349920][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.349920][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.349920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.349920][ T72] [ 1173.352163][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1173.352163][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1173.352163][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1173.352163][ T72] ipv6_find_idev+0x102/0x170 [ 1173.352163][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.352163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.352163][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.352163][ T72] netlink_unicast+0x449/0x710 [ 1173.352163][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.352163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.352163][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.352163][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.352163][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.352163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.352163][ T72] [ 1173.354028][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1173.354305][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1173.354305][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.354305][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.354305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.354305][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1173.354305][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1173.354305][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1173.354305][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1173.354305][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1173.354305][ T72] addrconf_dad_begin+0x310/0x670 [ 1173.354305][ T72] addrconf_dad_work+0x10b/0xab0 [ 1173.354305][ T72] process_one_work+0x84d/0x18a0 [ 1173.354305][ T72] worker_thread+0x587/0xd30 [ 1173.354305][ T72] kthread+0x28a/0x350 [ 1173.354305][ T72] ret_from_fork+0x31/0x70 [ 1173.354305][ T72] ret_from_fork_asm+0x1a/0x30 [ 1173.354305][ T72] [ 1173.356441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1173.356441][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.356441][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.356441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.356441][ T72] ip6_route_add+0x1c/0x140 [ 1173.356441][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1173.356441][ T72] inet6_addr_add+0x4f8/0xa40 [ 1173.356441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.356441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.356441][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.356441][ T72] netlink_unicast+0x449/0x710 [ 1173.356441][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.356441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.356441][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.356441][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.356441][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.356441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.356441][ T72] [ 1173.358663][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1173.358663][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.358663][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.358663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.358663][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1173.358663][ T72] ipv6_add_addr+0x411/0x2000 [ 1173.358663][ T72] inet6_addr_add+0x30e/0xa40 [ 1173.358663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.358663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.358663][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.358663][ T72] netlink_unicast+0x449/0x710 [ 1173.358663][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.358663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.358663][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.358663][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.358663][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.358663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.358663][ T72] [ 1173.360947][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1173.360947][ T72] netdev_get_by_index+0x5e/0x80 [ 1173.360947][ T72] fib6_nh_init+0x3d8/0x1580 [ 1173.360947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1173.360947][ T72] ip6_route_add+0x1c/0x140 [ 1173.360947][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1173.360947][ T72] addrconf_add_dev+0xe2/0x170 [ 1173.360947][ T72] inet6_addr_add+0x12f/0xa40 [ 1173.360947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.360947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.360947][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.360947][ T72] netlink_unicast+0x449/0x710 [ 1173.360947][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.360947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.360947][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.360947][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.360947][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.360947][ T72] [ 1173.363142][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1173.363142][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1173.363142][ T72] ipv6_find_idev+0x102/0x170 [ 1173.363142][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.363142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.363142][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.363142][ T72] netlink_unicast+0x449/0x710 [ 1173.363142][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.363142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.363142][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.363142][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.363142][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.363142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.363142][ T72] [ 1173.364790][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1173.364790][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1173.364790][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1173.364790][ T72] ipv6_find_idev+0x102/0x170 [ 1173.364790][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.364790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.364790][ T72] netlink_rcv_skb+0x130/0x360 [ 1173.364790][ T72] netlink_unicast+0x449/0x710 [ 1173.364790][ T72] netlink_sendmsg+0x723/0xbe0 [ 1173.364790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1173.364790][ T72] ___sys_sendmsg+0xee/0x170 [ 1173.364790][ T72] __sys_sendmsg+0xcd/0x170 [ 1173.364790][ T72] do_syscall_64+0xc6/0x1e0 [ 1173.364790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.364790][ T72] [ 1183.608931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1183.609386][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1183.609386][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1183.609386][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1183.609386][ T72] fib6_nh_init+0xa22/0x1580 [ 1183.609386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.609386][ T72] ip6_route_add+0x1c/0x140 [ 1183.609386][ T72] inet6_rtm_newroute+0x104/0x110 [ 1183.609386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.609386][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.609386][ T72] netlink_unicast+0x449/0x710 [ 1183.609386][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.609386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.609386][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.609386][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.609386][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.609386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.609386][ T72] [ 1183.611274][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1183.611274][ T72] dst_init+0x84/0x4a0 [ 1183.611274][ T72] dst_alloc+0x97/0x150 [ 1183.611274][ T72] ip6_dst_alloc+0x23/0x90 [ 1183.611274][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1183.611274][ T72] ip6_pol_route+0x56f/0x840 [ 1183.611274][ T72] fib6_rule_lookup+0x456/0x630 [ 1183.611274][ T72] ip6_route_input+0x59c/0xa50 [ 1183.611274][ T72] ipv6_rcv+0x397/0x810 [ 1183.611274][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1183.611274][ T72] process_backlog+0x101/0x620 [ 1183.611274][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1183.611274][ T72] net_rx_action+0x495/0xbe0 [ 1183.611274][ T72] __do_softirq+0x1b5/0x7f6 [ 1183.611274][ T72] [ 1183.612920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1183.612920][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.612920][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.612920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.612920][ T72] ip6_route_add+0x1c/0x140 [ 1183.612920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1183.612920][ T72] inet6_addr_add+0x4f8/0xa40 [ 1183.612920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.612920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.612920][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.612920][ T72] netlink_unicast+0x449/0x710 [ 1183.612920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.612920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.612920][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.612920][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.612920][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.612920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.612920][ T72] [ 1183.614905][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1183.614905][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.614905][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.614905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.614905][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1183.614905][ T72] ipv6_add_addr+0x411/0x2000 [ 1183.614905][ T72] inet6_addr_add+0x30e/0xa40 [ 1183.614905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.614905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.614905][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.614905][ T72] netlink_unicast+0x449/0x710 [ 1183.614905][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.614905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.614905][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.614905][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.614905][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.614905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.614905][ T72] [ 1183.616933][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1183.616933][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.616933][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.616933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.616933][ T72] ip6_route_add+0x1c/0x140 [ 1183.616933][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1183.616933][ T72] addrconf_add_dev+0xe2/0x170 [ 1183.616933][ T72] inet6_addr_add+0x12f/0xa40 [ 1183.616933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.616933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.616933][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.616933][ T72] netlink_unicast+0x449/0x710 [ 1183.616933][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.616933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.616933][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.616933][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.616933][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.616933][ T72] [ 1183.618879][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1183.618879][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1183.618879][ T72] ipv6_find_idev+0x102/0x170 [ 1183.618879][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.618879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.618879][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.618879][ T72] netlink_unicast+0x449/0x710 [ 1183.618879][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.618879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.618879][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.618879][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.618879][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.618879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.618879][ T72] [ 1183.620401][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1183.620401][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1183.620401][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1183.620401][ T72] ipv6_find_idev+0x102/0x170 [ 1183.620401][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.620401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.620401][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.620401][ T72] netlink_unicast+0x449/0x710 [ 1183.620401][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.620401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.620401][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.620401][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.620401][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.620401][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.620401][ T72] [ 1183.622100][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1183.622373][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1183.622373][ T72] dst_init+0x84/0x4a0 [ 1183.622373][ T72] dst_alloc+0x97/0x150 [ 1183.622373][ T72] ip6_dst_alloc+0x23/0x90 [ 1183.622373][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1183.622373][ T72] ip6_pol_route+0x56f/0x840 [ 1183.622373][ T72] fib6_rule_lookup+0x456/0x630 [ 1183.622373][ T72] ip6_route_input+0x59c/0xa50 [ 1183.622373][ T72] ipv6_rcv+0x397/0x810 [ 1183.622373][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1183.622373][ T72] process_backlog+0x101/0x620 [ 1183.622373][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1183.622373][ T72] net_rx_action+0x495/0xbe0 [ 1183.622373][ T72] __do_softirq+0x1b5/0x7f6 [ 1183.622373][ T72] [ 1183.623999][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1183.623999][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.623999][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.623999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.623999][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1183.623999][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1183.623999][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1183.623999][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1183.623999][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1183.623999][ T72] addrconf_dad_begin+0x310/0x670 [ 1183.623999][ T72] addrconf_dad_work+0x10b/0xab0 [ 1183.623999][ T72] process_one_work+0x84d/0x18a0 [ 1183.623999][ T72] worker_thread+0x587/0xd30 [ 1183.623999][ T72] kthread+0x28a/0x350 [ 1183.623999][ T72] ret_from_fork+0x31/0x70 [ 1183.623999][ T72] ret_from_fork_asm+0x1a/0x30 [ 1183.623999][ T72] [ 1183.625906][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1183.625906][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.625906][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.625906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.625906][ T72] ip6_route_add+0x1c/0x140 [ 1183.625906][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1183.625906][ T72] inet6_addr_add+0x4f8/0xa40 [ 1183.625906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.625906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.625906][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.625906][ T72] netlink_unicast+0x449/0x710 [ 1183.625906][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.625906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.625906][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.625906][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.625906][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.625906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.625906][ T72] [ 1183.627881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1183.627881][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.627881][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.627881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.627881][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1183.627881][ T72] ipv6_add_addr+0x411/0x2000 [ 1183.627881][ T72] inet6_addr_add+0x30e/0xa40 [ 1183.627881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.627881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.627881][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.627881][ T72] netlink_unicast+0x449/0x710 [ 1183.627881][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.627881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.627881][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.627881][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.627881][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.627881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.627881][ T72] [ 1183.629878][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1183.629878][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.629878][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.629878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.629878][ T72] ip6_route_add+0x1c/0x140 [ 1183.629878][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1183.629878][ T72] addrconf_add_dev+0xe2/0x170 [ 1183.629878][ T72] inet6_addr_add+0x12f/0xa40 [ 1183.629878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.629878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.629878][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.629878][ T72] netlink_unicast+0x449/0x710 [ 1183.629878][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.629878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.629878][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.629878][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.629878][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.629878][ T72] [ 1183.631820][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1183.631820][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1183.631820][ T72] ipv6_find_idev+0x102/0x170 [ 1183.631820][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.631820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.631820][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.631820][ T72] netlink_unicast+0x449/0x710 [ 1183.631820][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.631820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.631820][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.631820][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.631820][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.631820][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.631820][ T72] [ 1183.633358][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1183.633358][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1183.633358][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1183.633358][ T72] ipv6_find_idev+0x102/0x170 [ 1183.633358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.633358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.633358][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.633358][ T72] netlink_unicast+0x449/0x710 [ 1183.633358][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.633358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.633358][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.633358][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.633358][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.633358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.633358][ T72] [ 1183.635196][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1183.635534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1183.635534][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1183.635534][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1183.635534][ T72] fib6_nh_init+0xa22/0x1580 [ 1183.635534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.635534][ T72] ip6_route_add+0x1c/0x140 [ 1183.635534][ T72] inet6_rtm_newroute+0x104/0x110 [ 1183.635534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.635534][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.635534][ T72] netlink_unicast+0x449/0x710 [ 1183.635534][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.635534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.635534][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.635534][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.635534][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.635534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.635534][ T72] [ 1183.637640][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1183.637640][ T72] dst_init+0x84/0x4a0 [ 1183.637640][ T72] dst_alloc+0x97/0x150 [ 1183.637640][ T72] ip6_dst_alloc+0x23/0x90 [ 1183.637640][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1183.637640][ T72] ip6_pol_route+0x56f/0x840 [ 1183.637640][ T72] fib6_rule_lookup+0x456/0x630 [ 1183.637640][ T72] ip6_route_input+0x59c/0xa50 [ 1183.637640][ T72] ipv6_rcv+0x397/0x810 [ 1183.637640][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1183.637640][ T72] process_backlog+0x101/0x620 [ 1183.637640][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1183.637640][ T72] net_rx_action+0x495/0xbe0 [ 1183.637640][ T72] __do_softirq+0x1b5/0x7f6 [ 1183.637640][ T72] [ 1183.639453][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1183.639453][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.639453][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.639453][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.639453][ T72] ip6_route_add+0x1c/0x140 [ 1183.639453][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1183.639453][ T72] inet6_addr_add+0x4f8/0xa40 [ 1183.639453][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.639453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.639453][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.639453][ T72] netlink_unicast+0x449/0x710 [ 1183.639453][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.639453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.639453][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.639453][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.639453][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.639453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.639453][ T72] [ 1183.641694][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1183.641694][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.641694][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.641694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.641694][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1183.641694][ T72] ipv6_add_addr+0x411/0x2000 [ 1183.641694][ T72] inet6_addr_add+0x30e/0xa40 [ 1183.641694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.641694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.641694][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.641694][ T72] netlink_unicast+0x449/0x710 [ 1183.641694][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.641694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.641694][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.641694][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.641694][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.641694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.641694][ T72] [ 1183.643863][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1183.643863][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.643863][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.643863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.643863][ T72] ip6_route_add+0x1c/0x140 [ 1183.643863][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1183.643863][ T72] addrconf_add_dev+0xe2/0x170 [ 1183.643863][ T72] inet6_addr_add+0x12f/0xa40 [ 1183.643863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.643863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.643863][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.643863][ T72] netlink_unicast+0x449/0x710 [ 1183.643863][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.643863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.643863][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.643863][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.643863][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.643863][ T72] [ 1183.646115][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1183.646115][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1183.646115][ T72] ipv6_find_idev+0x102/0x170 [ 1183.646115][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.646115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.646115][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.646115][ T72] netlink_unicast+0x449/0x710 [ 1183.646115][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.646115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.646115][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.646115][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.646115][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.646115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.646115][ T72] [ 1183.647832][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1183.647832][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1183.647832][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1183.647832][ T72] ipv6_find_idev+0x102/0x170 [ 1183.647832][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.647832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.647832][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.647832][ T72] netlink_unicast+0x449/0x710 [ 1183.647832][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.647832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.647832][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.647832][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.647832][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.647832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.647832][ T72] [ 1183.649681][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1183.650448][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1183.650448][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.650448][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.650448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.650448][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1183.650448][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1183.650448][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1183.650448][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1183.650448][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1183.650448][ T72] addrconf_dad_begin+0x310/0x670 [ 1183.650448][ T72] addrconf_dad_work+0x10b/0xab0 [ 1183.650448][ T72] process_one_work+0x84d/0x18a0 [ 1183.650448][ T72] worker_thread+0x587/0xd30 [ 1183.650448][ T72] kthread+0x28a/0x350 [ 1183.650448][ T72] ret_from_fork+0x31/0x70 [ 1183.650448][ T72] ret_from_fork_asm+0x1a/0x30 [ 1183.650448][ T72] [ 1183.652343][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1183.652343][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.652343][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.652343][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.652343][ T72] ip6_route_add+0x1c/0x140 [ 1183.652343][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1183.652343][ T72] inet6_addr_add+0x4f8/0xa40 [ 1183.652343][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.652343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.652343][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.652343][ T72] netlink_unicast+0x449/0x710 [ 1183.652343][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.652343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.652343][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.652343][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.652343][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.652343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.652343][ T72] [ 1183.654378][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1183.654378][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.654378][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.654378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.654378][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1183.654378][ T72] ipv6_add_addr+0x411/0x2000 [ 1183.654378][ T72] inet6_addr_add+0x30e/0xa40 [ 1183.654378][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.654378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.654378][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.654378][ T72] netlink_unicast+0x449/0x710 [ 1183.654378][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.654378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.654378][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.654378][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.654378][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.654378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.654378][ T72] [ 1183.656609][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1183.656609][ T72] netdev_get_by_index+0x5e/0x80 [ 1183.656609][ T72] fib6_nh_init+0x3d8/0x1580 [ 1183.656609][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1183.656609][ T72] ip6_route_add+0x1c/0x140 [ 1183.656609][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1183.656609][ T72] addrconf_add_dev+0xe2/0x170 [ 1183.656609][ T72] inet6_addr_add+0x12f/0xa40 [ 1183.656609][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.656609][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.656609][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.656609][ T72] netlink_unicast+0x449/0x710 [ 1183.656609][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.656609][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.656609][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.656609][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.656609][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.656609][ T72] [ 1183.658860][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1183.658860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1183.658860][ T72] ipv6_find_idev+0x102/0x170 [ 1183.658860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.658860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.658860][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.658860][ T72] netlink_unicast+0x449/0x710 [ 1183.658860][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.658860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.658860][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.658860][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.658860][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.658860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.658860][ T72] [ 1183.660566][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1183.660566][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1183.660566][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1183.660566][ T72] ipv6_find_idev+0x102/0x170 [ 1183.660566][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.660566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.660566][ T72] netlink_rcv_skb+0x130/0x360 [ 1183.660566][ T72] netlink_unicast+0x449/0x710 [ 1183.660566][ T72] netlink_sendmsg+0x723/0xbe0 [ 1183.660566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1183.660566][ T72] ___sys_sendmsg+0xee/0x170 [ 1183.660566][ T72] __sys_sendmsg+0xcd/0x170 [ 1183.660566][ T72] do_syscall_64+0xc6/0x1e0 [ 1183.660566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.660566][ T72] [ 1193.688895][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1193.689541][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1193.689541][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1193.689541][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1193.689541][ T72] fib6_nh_init+0xa22/0x1580 [ 1193.689541][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.689541][ T72] ip6_route_add+0x1c/0x140 [ 1193.689541][ T72] inet6_rtm_newroute+0x104/0x110 [ 1193.689541][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.689541][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.689541][ T72] netlink_unicast+0x449/0x710 [ 1193.689541][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.689541][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.689541][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.689541][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.689541][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.689541][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.689541][ T72] [ 1193.692851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1193.692851][ T72] dst_init+0x84/0x4a0 [ 1193.692851][ T72] dst_alloc+0x97/0x150 [ 1193.692851][ T72] ip6_dst_alloc+0x23/0x90 [ 1193.692851][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1193.692851][ T72] ip6_pol_route+0x56f/0x840 [ 1193.692851][ T72] fib6_rule_lookup+0x456/0x630 [ 1193.692851][ T72] ip6_route_input+0x59c/0xa50 [ 1193.692851][ T72] ipv6_rcv+0x397/0x810 [ 1193.692851][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1193.692851][ T72] process_backlog+0x101/0x620 [ 1193.692851][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1193.692851][ T72] net_rx_action+0x495/0xbe0 [ 1193.692851][ T72] __do_softirq+0x1b5/0x7f6 [ 1193.692851][ T72] [ 1193.695704][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1193.695704][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.695704][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.695704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.695704][ T72] ip6_route_add+0x1c/0x140 [ 1193.695704][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1193.695704][ T72] inet6_addr_add+0x4f8/0xa40 [ 1193.695704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.695704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.695704][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.695704][ T72] netlink_unicast+0x449/0x710 [ 1193.695704][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.695704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.695704][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.695704][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.695704][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.695704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.695704][ T72] [ 1193.699181][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1193.699181][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.699181][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.699181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.699181][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1193.699181][ T72] ipv6_add_addr+0x411/0x2000 [ 1193.699181][ T72] inet6_addr_add+0x30e/0xa40 [ 1193.699181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.699181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.699181][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.699181][ T72] netlink_unicast+0x449/0x710 [ 1193.699181][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.699181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.699181][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.699181][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.699181][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.699181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.699181][ T72] [ 1193.702671][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1193.702671][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.702671][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.702671][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.702671][ T72] ip6_route_add+0x1c/0x140 [ 1193.702671][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1193.702671][ T72] addrconf_add_dev+0xe2/0x170 [ 1193.702671][ T72] inet6_addr_add+0x12f/0xa40 [ 1193.702671][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.702671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.702671][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.702671][ T72] netlink_unicast+0x449/0x710 [ 1193.702671][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.702671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.702671][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.702671][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.702671][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.702671][ T72] [ 1193.706092][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1193.706092][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1193.706092][ T72] ipv6_find_idev+0x102/0x170 [ 1193.706092][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.706092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.706092][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.706092][ T72] netlink_unicast+0x449/0x710 [ 1193.706092][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.706092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.706092][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.706092][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.706092][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.706092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.706092][ T72] [ 1193.708775][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1193.708775][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1193.708775][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1193.708775][ T72] ipv6_find_idev+0x102/0x170 [ 1193.708775][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.708775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.708775][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.708775][ T72] netlink_unicast+0x449/0x710 [ 1193.708775][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.708775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.708775][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.708775][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.708775][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.708775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.708775][ T72] [ 1193.711705][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1193.712200][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1193.712200][ T72] dst_init+0x84/0x4a0 [ 1193.712200][ T72] dst_alloc+0x97/0x150 [ 1193.712200][ T72] ip6_dst_alloc+0x23/0x90 [ 1193.712200][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1193.712200][ T72] ip6_pol_route+0x56f/0x840 [ 1193.712200][ T72] fib6_rule_lookup+0x456/0x630 [ 1193.712200][ T72] ip6_route_input+0x59c/0xa50 [ 1193.712200][ T72] ipv6_rcv+0x397/0x810 [ 1193.712200][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1193.712200][ T72] process_backlog+0x101/0x620 [ 1193.712200][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1193.712200][ T72] net_rx_action+0x495/0xbe0 [ 1193.712200][ T72] __do_softirq+0x1b5/0x7f6 [ 1193.712200][ T72] [ 1193.715023][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1193.715023][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.715023][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.715023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.715023][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1193.715023][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1193.715023][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1193.715023][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1193.715023][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1193.715023][ T72] addrconf_dad_begin+0x310/0x670 [ 1193.715023][ T72] addrconf_dad_work+0x10b/0xab0 [ 1193.715023][ T72] process_one_work+0x84d/0x18a0 [ 1193.715023][ T72] worker_thread+0x587/0xd30 [ 1193.715023][ T72] kthread+0x28a/0x350 [ 1193.715023][ T72] ret_from_fork+0x31/0x70 [ 1193.715023][ T72] ret_from_fork_asm+0x1a/0x30 [ 1193.715023][ T72] [ 1193.718277][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1193.718277][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.718277][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.718277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.718277][ T72] ip6_route_add+0x1c/0x140 [ 1193.718277][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1193.718277][ T72] inet6_addr_add+0x4f8/0xa40 [ 1193.718277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.718277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.718277][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.718277][ T72] netlink_unicast+0x449/0x710 [ 1193.718277][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.718277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.718277][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.718277][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.718277][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.718277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.718277][ T72] [ 1193.721703][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1193.721703][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.721703][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.721703][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.721703][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1193.721703][ T72] ipv6_add_addr+0x411/0x2000 [ 1193.721703][ T72] inet6_addr_add+0x30e/0xa40 [ 1193.721703][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.721703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.721703][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.721703][ T72] netlink_unicast+0x449/0x710 [ 1193.721703][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.721703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.721703][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.721703][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.721703][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.721703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.721703][ T72] [ 1193.725082][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1193.725082][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.725082][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.725082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.725082][ T72] ip6_route_add+0x1c/0x140 [ 1193.725082][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1193.725082][ T72] addrconf_add_dev+0xe2/0x170 [ 1193.725082][ T72] inet6_addr_add+0x12f/0xa40 [ 1193.725082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.725082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.725082][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.725082][ T72] netlink_unicast+0x449/0x710 [ 1193.725082][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.725082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.725082][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.725082][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.725082][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.725082][ T72] [ 1193.728411][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1193.728411][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1193.728411][ T72] ipv6_find_idev+0x102/0x170 [ 1193.728411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.728411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.728411][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.728411][ T72] netlink_unicast+0x449/0x710 [ 1193.728411][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.728411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.728411][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.728411][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.728411][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.728411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.728411][ T72] [ 1193.730960][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1193.730960][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1193.730960][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1193.730960][ T72] ipv6_find_idev+0x102/0x170 [ 1193.730960][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.730960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.730960][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.730960][ T72] netlink_unicast+0x449/0x710 [ 1193.730960][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.730960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.730960][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.730960][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.730960][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.730960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.730960][ T72] [ 1193.733926][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1193.734375][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1193.734375][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1193.734375][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1193.734375][ T72] fib6_nh_init+0xa22/0x1580 [ 1193.734375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.734375][ T72] ip6_route_add+0x1c/0x140 [ 1193.734375][ T72] inet6_rtm_newroute+0x104/0x110 [ 1193.734375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.734375][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.734375][ T72] netlink_unicast+0x449/0x710 [ 1193.734375][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.734375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.734375][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.734375][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.734375][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.734375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.734375][ T72] [ 1193.737837][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1193.737837][ T72] dst_init+0x84/0x4a0 [ 1193.737837][ T72] dst_alloc+0x97/0x150 [ 1193.737837][ T72] ip6_dst_alloc+0x23/0x90 [ 1193.737837][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1193.737837][ T72] ip6_pol_route+0x56f/0x840 [ 1193.737837][ T72] fib6_rule_lookup+0x456/0x630 [ 1193.737837][ T72] ip6_route_input+0x59c/0xa50 [ 1193.737837][ T72] ipv6_rcv+0x397/0x810 [ 1193.737837][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1193.737837][ T72] process_backlog+0x101/0x620 [ 1193.737837][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1193.737837][ T72] net_rx_action+0x495/0xbe0 [ 1193.737837][ T72] __do_softirq+0x1b5/0x7f6 [ 1193.737837][ T72] [ 1193.740920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1193.740920][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.740920][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.740920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.740920][ T72] ip6_route_add+0x1c/0x140 [ 1193.740920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1193.740920][ T72] inet6_addr_add+0x4f8/0xa40 [ 1193.740920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.740920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.740920][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.740920][ T72] netlink_unicast+0x449/0x710 [ 1193.740920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.740920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.740920][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.740920][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.740920][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.740920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.740920][ T72] [ 1193.744563][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1193.744563][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.744563][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.744563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.744563][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1193.744563][ T72] ipv6_add_addr+0x411/0x2000 [ 1193.744563][ T72] inet6_addr_add+0x30e/0xa40 [ 1193.744563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.744563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.744563][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.744563][ T72] netlink_unicast+0x449/0x710 [ 1193.744563][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.744563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.744563][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.744563][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.744563][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.744563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.744563][ T72] [ 1193.748033][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1193.748033][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.748033][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.748033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.748033][ T72] ip6_route_add+0x1c/0x140 [ 1193.748033][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1193.748033][ T72] addrconf_add_dev+0xe2/0x170 [ 1193.748033][ T72] inet6_addr_add+0x12f/0xa40 [ 1193.748033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.748033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.748033][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.748033][ T72] netlink_unicast+0x449/0x710 [ 1193.748033][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.748033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.748033][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.748033][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.748033][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.748033][ T72] [ 1193.751411][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1193.751411][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1193.751411][ T72] ipv6_find_idev+0x102/0x170 [ 1193.751411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.751411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.751411][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.751411][ T72] netlink_unicast+0x449/0x710 [ 1193.751411][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.751411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.751411][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.751411][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.751411][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.751411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.751411][ T72] [ 1193.753952][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1193.753952][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1193.753952][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1193.753952][ T72] ipv6_find_idev+0x102/0x170 [ 1193.753952][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.753952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.753952][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.753952][ T72] netlink_unicast+0x449/0x710 [ 1193.753952][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.753952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.753952][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.753952][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.753952][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.753952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.753952][ T72] [ 1193.756987][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1193.757443][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1193.757443][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.757443][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.757443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.757443][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1193.757443][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1193.757443][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1193.757443][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1193.757443][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1193.757443][ T72] addrconf_dad_begin+0x310/0x670 [ 1193.757443][ T72] addrconf_dad_work+0x10b/0xab0 [ 1193.757443][ T72] process_one_work+0x84d/0x18a0 [ 1193.757443][ T72] worker_thread+0x587/0xd30 [ 1193.757443][ T72] kthread+0x28a/0x350 [ 1193.757443][ T72] ret_from_fork+0x31/0x70 [ 1193.757443][ T72] ret_from_fork_asm+0x1a/0x30 [ 1193.757443][ T72] [ 1193.760852][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1193.760852][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.760852][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.760852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.760852][ T72] ip6_route_add+0x1c/0x140 [ 1193.760852][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1193.760852][ T72] inet6_addr_add+0x4f8/0xa40 [ 1193.760852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.760852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.760852][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.760852][ T72] netlink_unicast+0x449/0x710 [ 1193.760852][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.760852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.760852][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.760852][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.760852][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.760852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.760852][ T72] [ 1193.764393][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1193.764393][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.764393][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.764393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.764393][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1193.764393][ T72] ipv6_add_addr+0x411/0x2000 [ 1193.764393][ T72] inet6_addr_add+0x30e/0xa40 [ 1193.764393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.764393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.764393][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.764393][ T72] netlink_unicast+0x449/0x710 [ 1193.764393][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.764393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.764393][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.764393][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.764393][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.764393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.764393][ T72] [ 1193.767969][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1193.767969][ T72] netdev_get_by_index+0x5e/0x80 [ 1193.767969][ T72] fib6_nh_init+0x3d8/0x1580 [ 1193.767969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1193.767969][ T72] ip6_route_add+0x1c/0x140 [ 1193.767969][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1193.767969][ T72] addrconf_add_dev+0xe2/0x170 [ 1193.767969][ T72] inet6_addr_add+0x12f/0xa40 [ 1193.767969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.767969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.767969][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.767969][ T72] netlink_unicast+0x449/0x710 [ 1193.767969][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.767969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.767969][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.767969][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.767969][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.767969][ T72] [ 1193.771512][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1193.771512][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1193.771512][ T72] ipv6_find_idev+0x102/0x170 [ 1193.771512][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.771512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.771512][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.771512][ T72] netlink_unicast+0x449/0x710 [ 1193.771512][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.771512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.771512][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.771512][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.771512][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.771512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.771512][ T72] [ 1193.774273][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1193.774273][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1193.774273][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1193.774273][ T72] ipv6_find_idev+0x102/0x170 [ 1193.774273][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.774273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.774273][ T72] netlink_rcv_skb+0x130/0x360 [ 1193.774273][ T72] netlink_unicast+0x449/0x710 [ 1193.774273][ T72] netlink_sendmsg+0x723/0xbe0 [ 1193.774273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1193.774273][ T72] ___sys_sendmsg+0xee/0x170 [ 1193.774273][ T72] __sys_sendmsg+0xcd/0x170 [ 1193.774273][ T72] do_syscall_64+0xc6/0x1e0 [ 1193.774273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.774273][ T72] [ 1203.784920][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1203.785375][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1203.785375][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1203.785375][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1203.785375][ T72] fib6_nh_init+0xa22/0x1580 [ 1203.785375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.785375][ T72] ip6_route_add+0x1c/0x140 [ 1203.785375][ T72] inet6_rtm_newroute+0x104/0x110 [ 1203.785375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.785375][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.785375][ T72] netlink_unicast+0x449/0x710 [ 1203.785375][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.785375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.785375][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.785375][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.785375][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.785375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.785375][ T72] [ 1203.787375][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1203.787375][ T72] dst_init+0x84/0x4a0 [ 1203.787375][ T72] dst_alloc+0x97/0x150 [ 1203.787375][ T72] ip6_dst_alloc+0x23/0x90 [ 1203.787375][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1203.787375][ T72] ip6_pol_route+0x56f/0x840 [ 1203.787375][ T72] fib6_rule_lookup+0x456/0x630 [ 1203.787375][ T72] ip6_route_input+0x59c/0xa50 [ 1203.787375][ T72] ipv6_rcv+0x397/0x810 [ 1203.787375][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1203.787375][ T72] process_backlog+0x101/0x620 [ 1203.787375][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1203.787375][ T72] net_rx_action+0x495/0xbe0 [ 1203.787375][ T72] __do_softirq+0x1b5/0x7f6 [ 1203.787375][ T72] [ 1203.789087][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1203.789087][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.789087][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.789087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.789087][ T72] ip6_route_add+0x1c/0x140 [ 1203.789087][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1203.789087][ T72] inet6_addr_add+0x4f8/0xa40 [ 1203.789087][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.789087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.789087][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.789087][ T72] netlink_unicast+0x449/0x710 [ 1203.789087][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.789087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.789087][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.789087][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.789087][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.789087][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.789087][ T72] [ 1203.791183][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1203.791183][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.791183][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.791183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.791183][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1203.791183][ T72] ipv6_add_addr+0x411/0x2000 [ 1203.791183][ T72] inet6_addr_add+0x30e/0xa40 [ 1203.791183][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.791183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.791183][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.791183][ T72] netlink_unicast+0x449/0x710 [ 1203.791183][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.791183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.791183][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.791183][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.791183][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.791183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.791183][ T72] [ 1203.793270][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1203.793270][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.793270][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.793270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.793270][ T72] ip6_route_add+0x1c/0x140 [ 1203.793270][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1203.793270][ T72] addrconf_add_dev+0xe2/0x170 [ 1203.793270][ T72] inet6_addr_add+0x12f/0xa40 [ 1203.793270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.793270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.793270][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.793270][ T72] netlink_unicast+0x449/0x710 [ 1203.793270][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.793270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.793270][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.793270][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.793270][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.793270][ T72] [ 1203.795313][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1203.795313][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1203.795313][ T72] ipv6_find_idev+0x102/0x170 [ 1203.795313][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.795313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.795313][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.795313][ T72] netlink_unicast+0x449/0x710 [ 1203.795313][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.795313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.795313][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.795313][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.795313][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.795313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.795313][ T72] [ 1203.796912][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1203.796912][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1203.796912][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1203.796912][ T72] ipv6_find_idev+0x102/0x170 [ 1203.796912][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.796912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.796912][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.796912][ T72] netlink_unicast+0x449/0x710 [ 1203.796912][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.796912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.796912][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.796912][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.796912][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.796912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.796912][ T72] [ 1203.798665][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1203.798960][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1203.798960][ T72] dst_init+0x84/0x4a0 [ 1203.798960][ T72] dst_alloc+0x97/0x150 [ 1203.798960][ T72] ip6_dst_alloc+0x23/0x90 [ 1203.798960][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1203.798960][ T72] ip6_pol_route+0x56f/0x840 [ 1203.798960][ T72] fib6_rule_lookup+0x456/0x630 [ 1203.798960][ T72] ip6_route_input+0x59c/0xa50 [ 1203.798960][ T72] ipv6_rcv+0x397/0x810 [ 1203.798960][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1203.798960][ T72] process_backlog+0x101/0x620 [ 1203.798960][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1203.798960][ T72] net_rx_action+0x495/0xbe0 [ 1203.798960][ T72] __do_softirq+0x1b5/0x7f6 [ 1203.798960][ T72] [ 1203.800660][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1203.800660][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.800660][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.800660][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.800660][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1203.800660][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1203.800660][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1203.800660][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1203.800660][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1203.800660][ T72] addrconf_dad_begin+0x310/0x670 [ 1203.800660][ T72] addrconf_dad_work+0x10b/0xab0 [ 1203.800660][ T72] process_one_work+0x84d/0x18a0 [ 1203.800660][ T72] worker_thread+0x587/0xd30 [ 1203.800660][ T72] kthread+0x28a/0x350 [ 1203.800660][ T72] ret_from_fork+0x31/0x70 [ 1203.800660][ T72] ret_from_fork_asm+0x1a/0x30 [ 1203.800660][ T72] [ 1203.802651][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1203.802651][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.802651][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.802651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.802651][ T72] ip6_route_add+0x1c/0x140 [ 1203.802651][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1203.802651][ T72] inet6_addr_add+0x4f8/0xa40 [ 1203.802651][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.802651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.802651][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.802651][ T72] netlink_unicast+0x449/0x710 [ 1203.802651][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.802651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.802651][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.802651][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.802651][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.802651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.802651][ T72] [ 1203.804726][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1203.804726][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.804726][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.804726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.804726][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1203.804726][ T72] ipv6_add_addr+0x411/0x2000 [ 1203.804726][ T72] inet6_addr_add+0x30e/0xa40 [ 1203.804726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.804726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.804726][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.804726][ T72] netlink_unicast+0x449/0x710 [ 1203.804726][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.804726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.804726][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.804726][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.804726][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.804726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.804726][ T72] [ 1203.806790][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1203.806790][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.806790][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.806790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.806790][ T72] ip6_route_add+0x1c/0x140 [ 1203.806790][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1203.806790][ T72] addrconf_add_dev+0xe2/0x170 [ 1203.806790][ T72] inet6_addr_add+0x12f/0xa40 [ 1203.806790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.806790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.806790][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.806790][ T72] netlink_unicast+0x449/0x710 [ 1203.806790][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.806790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.806790][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.806790][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.806790][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.806790][ T72] [ 1203.808845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1203.808845][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1203.808845][ T72] ipv6_find_idev+0x102/0x170 [ 1203.808845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.808845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.808845][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.808845][ T72] netlink_unicast+0x449/0x710 [ 1203.808845][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.808845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.808845][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.808845][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.808845][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.808845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.808845][ T72] [ 1203.810437][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1203.810437][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1203.810437][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1203.810437][ T72] ipv6_find_idev+0x102/0x170 [ 1203.810437][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.810437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.810437][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.810437][ T72] netlink_unicast+0x449/0x710 [ 1203.810437][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.810437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.810437][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.810437][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.810437][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.810437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.810437][ T72] [ 1203.812266][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1203.812601][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1203.812601][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1203.812601][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1203.812601][ T72] fib6_nh_init+0xa22/0x1580 [ 1203.812601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.812601][ T72] ip6_route_add+0x1c/0x140 [ 1203.812601][ T72] inet6_rtm_newroute+0x104/0x110 [ 1203.812601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.812601][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.812601][ T72] netlink_unicast+0x449/0x710 [ 1203.812601][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.812601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.812601][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.812601][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.812601][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.812601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.812601][ T72] [ 1203.814734][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1203.814734][ T72] dst_init+0x84/0x4a0 [ 1203.814734][ T72] dst_alloc+0x97/0x150 [ 1203.814734][ T72] ip6_dst_alloc+0x23/0x90 [ 1203.814734][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1203.814734][ T72] ip6_pol_route+0x56f/0x840 [ 1203.814734][ T72] fib6_rule_lookup+0x456/0x630 [ 1203.814734][ T72] ip6_route_input+0x59c/0xa50 [ 1203.814734][ T72] ipv6_rcv+0x397/0x810 [ 1203.814734][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1203.814734][ T72] process_backlog+0x101/0x620 [ 1203.814734][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1203.814734][ T72] net_rx_action+0x495/0xbe0 [ 1203.814734][ T72] __do_softirq+0x1b5/0x7f6 [ 1203.814734][ T72] [ 1203.816617][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1203.816617][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.816617][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.816617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.816617][ T72] ip6_route_add+0x1c/0x140 [ 1203.816617][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1203.816617][ T72] inet6_addr_add+0x4f8/0xa40 [ 1203.816617][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.816617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.816617][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.816617][ T72] netlink_unicast+0x449/0x710 [ 1203.816617][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.816617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.816617][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.816617][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.816617][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.816617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.816617][ T72] [ 1203.818996][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1203.818996][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.818996][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.818996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.818996][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1203.818996][ T72] ipv6_add_addr+0x411/0x2000 [ 1203.818996][ T72] inet6_addr_add+0x30e/0xa40 [ 1203.818996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.818996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.818996][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.818996][ T72] netlink_unicast+0x449/0x710 [ 1203.818996][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.818996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.818996][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.818996][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.818996][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.818996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.818996][ T72] [ 1203.821318][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1203.821318][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.821318][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.821318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.821318][ T72] ip6_route_add+0x1c/0x140 [ 1203.821318][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1203.821318][ T72] addrconf_add_dev+0xe2/0x170 [ 1203.821318][ T72] inet6_addr_add+0x12f/0xa40 [ 1203.821318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.821318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.821318][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.821318][ T72] netlink_unicast+0x449/0x710 [ 1203.821318][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.821318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.821318][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.821318][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.821318][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.821318][ T72] [ 1203.823618][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1203.823618][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1203.823618][ T72] ipv6_find_idev+0x102/0x170 [ 1203.823618][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.823618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.823618][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.823618][ T72] netlink_unicast+0x449/0x710 [ 1203.823618][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.823618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.823618][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.823618][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.823618][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.823618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.823618][ T72] [ 1203.825399][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1203.825399][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1203.825399][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1203.825399][ T72] ipv6_find_idev+0x102/0x170 [ 1203.825399][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.825399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.825399][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.825399][ T72] netlink_unicast+0x449/0x710 [ 1203.825399][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.825399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.825399][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.825399][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.825399][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.825399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.825399][ T72] [ 1203.827326][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1203.827606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1203.827606][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.827606][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.827606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.827606][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1203.827606][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1203.827606][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1203.827606][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1203.827606][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1203.827606][ T72] addrconf_dad_begin+0x310/0x670 [ 1203.827606][ T72] addrconf_dad_work+0x10b/0xab0 [ 1203.827606][ T72] process_one_work+0x84d/0x18a0 [ 1203.827606][ T72] worker_thread+0x587/0xd30 [ 1203.827606][ T72] kthread+0x28a/0x350 [ 1203.827606][ T72] ret_from_fork+0x31/0x70 [ 1203.827606][ T72] ret_from_fork_asm+0x1a/0x30 [ 1203.827606][ T72] [ 1203.829903][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1203.829903][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.829903][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.829903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.829903][ T72] ip6_route_add+0x1c/0x140 [ 1203.829903][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1203.829903][ T72] inet6_addr_add+0x4f8/0xa40 [ 1203.829903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.829903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.829903][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.829903][ T72] netlink_unicast+0x449/0x710 [ 1203.829903][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.829903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.829903][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.829903][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.829903][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.829903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.829903][ T72] [ 1203.832229][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1203.832229][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.832229][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.832229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.832229][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1203.832229][ T72] ipv6_add_addr+0x411/0x2000 [ 1203.832229][ T72] inet6_addr_add+0x30e/0xa40 [ 1203.832229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.832229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.832229][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.832229][ T72] netlink_unicast+0x449/0x710 [ 1203.832229][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.832229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.832229][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.832229][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.832229][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.832229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.832229][ T72] [ 1203.834551][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1203.834551][ T72] netdev_get_by_index+0x5e/0x80 [ 1203.834551][ T72] fib6_nh_init+0x3d8/0x1580 [ 1203.834551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1203.834551][ T72] ip6_route_add+0x1c/0x140 [ 1203.834551][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1203.834551][ T72] addrconf_add_dev+0xe2/0x170 [ 1203.834551][ T72] inet6_addr_add+0x12f/0xa40 [ 1203.834551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.834551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.834551][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.834551][ T72] netlink_unicast+0x449/0x710 [ 1203.834551][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.834551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.834551][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.834551][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.834551][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.834551][ T72] [ 1203.837369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1203.837369][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1203.837369][ T72] ipv6_find_idev+0x102/0x170 [ 1203.837369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.837369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.837369][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.837369][ T72] netlink_unicast+0x449/0x710 [ 1203.837369][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.837369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.837369][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.837369][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.837369][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.837369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.837369][ T72] [ 1203.839161][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1203.839161][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1203.839161][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1203.839161][ T72] ipv6_find_idev+0x102/0x170 [ 1203.839161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.839161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.839161][ T72] netlink_rcv_skb+0x130/0x360 [ 1203.839161][ T72] netlink_unicast+0x449/0x710 [ 1203.839161][ T72] netlink_sendmsg+0x723/0xbe0 [ 1203.839161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1203.839161][ T72] ___sys_sendmsg+0xee/0x170 [ 1203.839161][ T72] __sys_sendmsg+0xcd/0x170 [ 1203.839161][ T72] do_syscall_64+0xc6/0x1e0 [ 1203.839161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.839161][ T72] [ 1214.080944][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1214.081405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1214.081405][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1214.081405][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1214.081405][ T72] fib6_nh_init+0xa22/0x1580 [ 1214.081405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.081405][ T72] ip6_route_add+0x1c/0x140 [ 1214.081405][ T72] inet6_rtm_newroute+0x104/0x110 [ 1214.081405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.081405][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.081405][ T72] netlink_unicast+0x449/0x710 [ 1214.081405][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.081405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.081405][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.081405][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.081405][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.081405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.081405][ T72] [ 1214.083409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1214.083409][ T72] dst_init+0x84/0x4a0 [ 1214.083409][ T72] dst_alloc+0x97/0x150 [ 1214.083409][ T72] ip6_dst_alloc+0x23/0x90 [ 1214.083409][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1214.083409][ T72] ip6_pol_route+0x56f/0x840 [ 1214.083409][ T72] fib6_rule_lookup+0x456/0x630 [ 1214.083409][ T72] ip6_route_input+0x59c/0xa50 [ 1214.083409][ T72] ipv6_rcv+0x397/0x810 [ 1214.083409][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1214.083409][ T72] process_backlog+0x101/0x620 [ 1214.083409][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1214.083409][ T72] net_rx_action+0x495/0xbe0 [ 1214.083409][ T72] __do_softirq+0x1b5/0x7f6 [ 1214.083409][ T72] [ 1214.085113][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1214.085113][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.085113][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.085113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.085113][ T72] ip6_route_add+0x1c/0x140 [ 1214.085113][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1214.085113][ T72] inet6_addr_add+0x4f8/0xa40 [ 1214.085113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.085113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.085113][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.085113][ T72] netlink_unicast+0x449/0x710 [ 1214.085113][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.085113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.085113][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.085113][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.085113][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.085113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.085113][ T72] [ 1214.087198][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1214.087198][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.087198][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.087198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.087198][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1214.087198][ T72] ipv6_add_addr+0x411/0x2000 [ 1214.087198][ T72] inet6_addr_add+0x30e/0xa40 [ 1214.087198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.087198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.087198][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.087198][ T72] netlink_unicast+0x449/0x710 [ 1214.087198][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.087198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.087198][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.087198][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.087198][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.087198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.087198][ T72] [ 1214.089296][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1214.089296][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.089296][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.089296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.089296][ T72] ip6_route_add+0x1c/0x140 [ 1214.089296][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1214.089296][ T72] addrconf_add_dev+0xe2/0x170 [ 1214.089296][ T72] inet6_addr_add+0x12f/0xa40 [ 1214.089296][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.089296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.089296][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.089296][ T72] netlink_unicast+0x449/0x710 [ 1214.089296][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.089296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.089296][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.089296][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.089296][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.089296][ T72] [ 1214.091351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1214.091351][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1214.091351][ T72] ipv6_find_idev+0x102/0x170 [ 1214.091351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1214.091351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.091351][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.091351][ T72] netlink_unicast+0x449/0x710 [ 1214.091351][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.091351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.091351][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.091351][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.091351][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.091351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.091351][ T72] [ 1214.092962][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1214.092962][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1214.092962][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1214.092962][ T72] ipv6_find_idev+0x102/0x170 [ 1214.092962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1214.092962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.092962][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.092962][ T72] netlink_unicast+0x449/0x710 [ 1214.092962][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.092962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.092962][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.092962][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.092962][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.092962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.092962][ T72] [ 1214.094730][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1214.095021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1214.095021][ T72] dst_init+0x84/0x4a0 [ 1214.095021][ T72] dst_alloc+0x97/0x150 [ 1214.095021][ T72] ip6_dst_alloc+0x23/0x90 [ 1214.095021][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1214.095021][ T72] ip6_pol_route+0x56f/0x840 [ 1214.095021][ T72] fib6_rule_lookup+0x456/0x630 [ 1214.095021][ T72] ip6_route_input+0x59c/0xa50 [ 1214.095021][ T72] ipv6_rcv+0x397/0x810 [ 1214.095021][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1214.095021][ T72] process_backlog+0x101/0x620 [ 1214.095021][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1214.095021][ T72] net_rx_action+0x495/0xbe0 [ 1214.095021][ T72] __do_softirq+0x1b5/0x7f6 [ 1214.095021][ T72] [ 1214.096734][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1214.096734][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.096734][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.096734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.096734][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1214.096734][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1214.096734][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1214.096734][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1214.096734][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1214.096734][ T72] addrconf_dad_begin+0x310/0x670 [ 1214.096734][ T72] addrconf_dad_work+0x10b/0xab0 [ 1214.096734][ T72] process_one_work+0x84d/0x18a0 [ 1214.096734][ T72] worker_thread+0x587/0xd30 [ 1214.096734][ T72] kthread+0x28a/0x350 [ 1214.096734][ T72] ret_from_fork+0x31/0x70 [ 1214.096734][ T72] ret_from_fork_asm+0x1a/0x30 [ 1214.096734][ T72] [ 1214.099095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1214.099095][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.099095][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.099095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.099095][ T72] ip6_route_add+0x1c/0x140 [ 1214.099095][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1214.099095][ T72] inet6_addr_add+0x4f8/0xa40 [ 1214.099095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.099095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.099095][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.099095][ T72] netlink_unicast+0x449/0x710 [ 1214.099095][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.099095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.099095][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.099095][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.099095][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.099095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.099095][ T72] [ 1214.101182][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1214.101182][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.101182][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.101182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.101182][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1214.101182][ T72] ipv6_add_addr+0x411/0x2000 [ 1214.101182][ T72] inet6_addr_add+0x30e/0xa40 [ 1214.101182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.101182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.101182][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.101182][ T72] netlink_unicast+0x449/0x710 [ 1214.101182][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.101182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.101182][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.101182][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.101182][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.101182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.101182][ T72] [ 1214.103254][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1214.103254][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.103254][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.103254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.103254][ T72] ip6_route_add+0x1c/0x140 [ 1214.103254][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1214.103254][ T72] addrconf_add_dev+0xe2/0x170 [ 1214.103254][ T72] inet6_addr_add+0x12f/0xa40 [ 1214.103254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.103254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.103254][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.103254][ T72] netlink_unicast+0x449/0x710 [ 1214.103254][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.103254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.103254][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.103254][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.103254][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.103254][ T72] [ 1214.105296][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1214.105296][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1214.105296][ T72] ipv6_find_idev+0x102/0x170 [ 1214.105296][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1214.105296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.105296][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.105296][ T72] netlink_unicast+0x449/0x710 [ 1214.105296][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.105296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.105296][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.105296][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.105296][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.105296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.105296][ T72] [ 1214.106910][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1214.106910][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1214.106910][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1214.106910][ T72] ipv6_find_idev+0x102/0x170 [ 1214.106910][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1214.106910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.106910][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.106910][ T72] netlink_unicast+0x449/0x710 [ 1214.106910][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.106910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.106910][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.106910][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.106910][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.106910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.106910][ T72] [ 1214.108730][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1214.109076][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1214.109076][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1214.109076][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1214.109076][ T72] fib6_nh_init+0xa22/0x1580 [ 1214.109076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.109076][ T72] ip6_route_add+0x1c/0x140 [ 1214.109076][ T72] inet6_rtm_newroute+0x104/0x110 [ 1214.109076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.109076][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.109076][ T72] netlink_unicast+0x449/0x710 [ 1214.109076][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.109076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.109076][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.109076][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.109076][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.109076][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.109076][ T72] [ 1214.111284][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1214.111284][ T72] dst_init+0x84/0x4a0 [ 1214.111284][ T72] dst_alloc+0x97/0x150 [ 1214.111284][ T72] ip6_dst_alloc+0x23/0x90 [ 1214.111284][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1214.111284][ T72] ip6_pol_route+0x56f/0x840 [ 1214.111284][ T72] fib6_rule_lookup+0x456/0x630 [ 1214.111284][ T72] ip6_route_input+0x59c/0xa50 [ 1214.111284][ T72] ipv6_rcv+0x397/0x810 [ 1214.111284][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1214.111284][ T72] process_backlog+0x101/0x620 [ 1214.111284][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1214.111284][ T72] net_rx_action+0x495/0xbe0 [ 1214.111284][ T72] __do_softirq+0x1b5/0x7f6 [ 1214.111284][ T72] [ 1214.113114][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1214.113114][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.113114][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.113114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.113114][ T72] ip6_route_add+0x1c/0x140 [ 1214.113114][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1214.113114][ T72] inet6_addr_add+0x4f8/0xa40 [ 1214.113114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.113114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.113114][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.113114][ T72] netlink_unicast+0x449/0x710 [ 1214.113114][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.113114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.113114][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.113114][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.113114][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.113114][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.113114][ T72] [ 1214.115332][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1214.115332][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.115332][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.115332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.115332][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1214.115332][ T72] ipv6_add_addr+0x411/0x2000 [ 1214.115332][ T72] inet6_addr_add+0x30e/0xa40 [ 1214.115332][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.115332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.115332][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.115332][ T72] netlink_unicast+0x449/0x710 [ 1214.115332][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.115332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.115332][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.115332][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.115332][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.115332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.115332][ T72] [ 1214.117550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1214.117550][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.117550][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.117550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.117550][ T72] ip6_route_add+0x1c/0x140 [ 1214.117550][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1214.117550][ T72] addrconf_add_dev+0xe2/0x170 [ 1214.117550][ T72] inet6_addr_add+0x12f/0xa40 [ 1214.117550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.117550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.117550][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.117550][ T72] netlink_unicast+0x449/0x710 [ 1214.117550][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.117550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.117550][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.117550][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.117550][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.117550][ T72] [ 1214.119804][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1214.119804][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1214.119804][ T72] ipv6_find_idev+0x102/0x170 [ 1214.119804][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1214.119804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.119804][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.119804][ T72] netlink_unicast+0x449/0x710 [ 1214.119804][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.119804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.119804][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.119804][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.119804][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.119804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.119804][ T72] [ 1214.121514][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1214.121514][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1214.121514][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1214.121514][ T72] ipv6_find_idev+0x102/0x170 [ 1214.121514][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1214.121514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.121514][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.121514][ T72] netlink_unicast+0x449/0x710 [ 1214.121514][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.121514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.121514][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.121514][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.121514][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.121514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.121514][ T72] [ 1214.123383][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1214.123657][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1214.123657][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.123657][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.123657][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.123657][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1214.123657][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1214.123657][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1214.123657][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1214.123657][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1214.123657][ T72] addrconf_dad_begin+0x310/0x670 [ 1214.123657][ T72] addrconf_dad_work+0x10b/0xab0 [ 1214.123657][ T72] process_one_work+0x84d/0x18a0 [ 1214.123657][ T72] worker_thread+0x587/0xd30 [ 1214.123657][ T72] kthread+0x28a/0x350 [ 1214.123657][ T72] ret_from_fork+0x31/0x70 [ 1214.123657][ T72] ret_from_fork_asm+0x1a/0x30 [ 1214.123657][ T72] [ 1214.125797][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1214.125797][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.125797][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.125797][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.125797][ T72] ip6_route_add+0x1c/0x140 [ 1214.125797][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1214.125797][ T72] inet6_addr_add+0x4f8/0xa40 [ 1214.125797][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.125797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.125797][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.125797][ T72] netlink_unicast+0x449/0x710 [ 1214.125797][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.125797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.125797][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.125797][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.125797][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.125797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.125797][ T72] [ 1214.128028][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1214.128028][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.128028][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.128028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.128028][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1214.128028][ T72] ipv6_add_addr+0x411/0x2000 [ 1214.128028][ T72] inet6_addr_add+0x30e/0xa40 [ 1214.128028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.128028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.128028][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.128028][ T72] netlink_unicast+0x449/0x710 [ 1214.128028][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.128028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.128028][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.128028][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.128028][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.128028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.128028][ T72] [ 1214.130315][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1214.130315][ T72] netdev_get_by_index+0x5e/0x80 [ 1214.130315][ T72] fib6_nh_init+0x3d8/0x1580 [ 1214.130315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1214.130315][ T72] ip6_route_add+0x1c/0x140 [ 1214.130315][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1214.130315][ T72] addrconf_add_dev+0xe2/0x170 [ 1214.130315][ T72] inet6_addr_add+0x12f/0xa40 [ 1214.130315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1214.130315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.130315][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.130315][ T72] netlink_unicast+0x449/0x710 [ 1214.130315][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.130315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.130315][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.130315][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.130315][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.130315][ T72] [ 1214.132525][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1214.132525][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1214.132525][ T72] ipv6_find_idev+0x102/0x170 [ 1214.132525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1214.132525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.132525][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.132525][ T72] netlink_unicast+0x449/0x710 [ 1214.132525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.132525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.132525][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.132525][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.132525][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.132525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.132525][ T72] [ 1214.134173][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1214.134173][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1214.134173][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1214.134173][ T72] ipv6_find_idev+0x102/0x170 [ 1214.134173][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1214.134173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1214.134173][ T72] netlink_rcv_skb+0x130/0x360 [ 1214.134173][ T72] netlink_unicast+0x449/0x710 [ 1214.134173][ T72] netlink_sendmsg+0x723/0xbe0 [ 1214.134173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1214.134173][ T72] ___sys_sendmsg+0xee/0x170 [ 1214.134173][ T72] __sys_sendmsg+0xcd/0x170 [ 1214.134173][ T72] do_syscall_64+0xc6/0x1e0 [ 1214.134173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1214.134173][ T72] [ 1224.376909][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1224.377403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1224.377403][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1224.377403][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1224.377403][ T72] fib6_nh_init+0xa22/0x1580 [ 1224.377403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.377403][ T72] ip6_route_add+0x1c/0x140 [ 1224.377403][ T72] inet6_rtm_newroute+0x104/0x110 [ 1224.377403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.377403][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.377403][ T72] netlink_unicast+0x449/0x710 [ 1224.377403][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.377403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.377403][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.377403][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.377403][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.377403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.377403][ T72] [ 1224.379299][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1224.379299][ T72] dst_init+0x84/0x4a0 [ 1224.379299][ T72] dst_alloc+0x97/0x150 [ 1224.379299][ T72] ip6_dst_alloc+0x23/0x90 [ 1224.379299][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1224.379299][ T72] ip6_pol_route+0x56f/0x840 [ 1224.379299][ T72] fib6_rule_lookup+0x456/0x630 [ 1224.379299][ T72] ip6_route_input+0x59c/0xa50 [ 1224.379299][ T72] ipv6_rcv+0x397/0x810 [ 1224.379299][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1224.379299][ T72] process_backlog+0x101/0x620 [ 1224.379299][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1224.379299][ T72] net_rx_action+0x495/0xbe0 [ 1224.379299][ T72] __do_softirq+0x1b5/0x7f6 [ 1224.379299][ T72] [ 1224.380950][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1224.380950][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.380950][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.380950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.380950][ T72] ip6_route_add+0x1c/0x140 [ 1224.380950][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1224.380950][ T72] inet6_addr_add+0x4f8/0xa40 [ 1224.380950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.380950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.380950][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.380950][ T72] netlink_unicast+0x449/0x710 [ 1224.380950][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.380950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.380950][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.380950][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.380950][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.380950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.380950][ T72] [ 1224.382943][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1224.382943][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.382943][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.382943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.382943][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1224.382943][ T72] ipv6_add_addr+0x411/0x2000 [ 1224.382943][ T72] inet6_addr_add+0x30e/0xa40 [ 1224.382943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.382943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.382943][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.382943][ T72] netlink_unicast+0x449/0x710 [ 1224.382943][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.382943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.382943][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.382943][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.382943][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.382943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.382943][ T72] [ 1224.384952][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1224.384952][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.384952][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.384952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.384952][ T72] ip6_route_add+0x1c/0x140 [ 1224.384952][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1224.384952][ T72] addrconf_add_dev+0xe2/0x170 [ 1224.384952][ T72] inet6_addr_add+0x12f/0xa40 [ 1224.384952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.384952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.384952][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.384952][ T72] netlink_unicast+0x449/0x710 [ 1224.384952][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.384952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.384952][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.384952][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.384952][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.384952][ T72] [ 1224.386903][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1224.386903][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1224.386903][ T72] ipv6_find_idev+0x102/0x170 [ 1224.386903][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.386903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.386903][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.386903][ T72] netlink_unicast+0x449/0x710 [ 1224.386903][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.386903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.386903][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.386903][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.386903][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.386903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.386903][ T72] [ 1224.388440][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1224.388440][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1224.388440][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1224.388440][ T72] ipv6_find_idev+0x102/0x170 [ 1224.388440][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.388440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.388440][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.388440][ T72] netlink_unicast+0x449/0x710 [ 1224.388440][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.388440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.388440][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.388440][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.388440][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.388440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.388440][ T72] [ 1224.390125][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1224.390395][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1224.390395][ T72] dst_init+0x84/0x4a0 [ 1224.390395][ T72] dst_alloc+0x97/0x150 [ 1224.390395][ T72] ip6_dst_alloc+0x23/0x90 [ 1224.390395][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1224.390395][ T72] ip6_pol_route+0x56f/0x840 [ 1224.390395][ T72] fib6_rule_lookup+0x456/0x630 [ 1224.390395][ T72] ip6_route_input+0x59c/0xa50 [ 1224.390395][ T72] ipv6_rcv+0x397/0x810 [ 1224.390395][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1224.390395][ T72] process_backlog+0x101/0x620 [ 1224.390395][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1224.390395][ T72] net_rx_action+0x495/0xbe0 [ 1224.390395][ T72] __do_softirq+0x1b5/0x7f6 [ 1224.390395][ T72] [ 1224.392044][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1224.392044][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.392044][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.392044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.392044][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1224.392044][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1224.392044][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1224.392044][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1224.392044][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1224.392044][ T72] addrconf_dad_begin+0x310/0x670 [ 1224.392044][ T72] addrconf_dad_work+0x10b/0xab0 [ 1224.392044][ T72] process_one_work+0x84d/0x18a0 [ 1224.392044][ T72] worker_thread+0x587/0xd30 [ 1224.392044][ T72] kthread+0x28a/0x350 [ 1224.392044][ T72] ret_from_fork+0x31/0x70 [ 1224.392044][ T72] ret_from_fork_asm+0x1a/0x30 [ 1224.392044][ T72] [ 1224.393946][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1224.393946][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.393946][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.393946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.393946][ T72] ip6_route_add+0x1c/0x140 [ 1224.393946][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1224.393946][ T72] inet6_addr_add+0x4f8/0xa40 [ 1224.393946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.393946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.393946][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.393946][ T72] netlink_unicast+0x449/0x710 [ 1224.393946][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.393946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.393946][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.393946][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.393946][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.393946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.393946][ T72] [ 1224.395930][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1224.395930][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.395930][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.395930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.395930][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1224.395930][ T72] ipv6_add_addr+0x411/0x2000 [ 1224.395930][ T72] inet6_addr_add+0x30e/0xa40 [ 1224.395930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.395930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.395930][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.395930][ T72] netlink_unicast+0x449/0x710 [ 1224.395930][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.395930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.395930][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.395930][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.395930][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.395930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.395930][ T72] [ 1224.397920][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1224.397920][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.397920][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.397920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.397920][ T72] ip6_route_add+0x1c/0x140 [ 1224.397920][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1224.397920][ T72] addrconf_add_dev+0xe2/0x170 [ 1224.397920][ T72] inet6_addr_add+0x12f/0xa40 [ 1224.397920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.397920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.397920][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.397920][ T72] netlink_unicast+0x449/0x710 [ 1224.397920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.397920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.397920][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.397920][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.397920][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.397920][ T72] [ 1224.399869][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1224.399869][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1224.399869][ T72] ipv6_find_idev+0x102/0x170 [ 1224.399869][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.399869][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.399869][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.399869][ T72] netlink_unicast+0x449/0x710 [ 1224.399869][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.399869][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.399869][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.399869][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.399869][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.399869][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.399869][ T72] [ 1224.401394][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1224.401394][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1224.401394][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1224.401394][ T72] ipv6_find_idev+0x102/0x170 [ 1224.401394][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.401394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.401394][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.401394][ T72] netlink_unicast+0x449/0x710 [ 1224.401394][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.401394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.401394][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.401394][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.401394][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.401394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.401394][ T72] [ 1224.403134][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1224.403462][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1224.403462][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1224.403462][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1224.403462][ T72] fib6_nh_init+0xa22/0x1580 [ 1224.403462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.403462][ T72] ip6_route_add+0x1c/0x140 [ 1224.403462][ T72] inet6_rtm_newroute+0x104/0x110 [ 1224.403462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.403462][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.403462][ T72] netlink_unicast+0x449/0x710 [ 1224.403462][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.403462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.403462][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.403462][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.403462][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.403462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.403462][ T72] [ 1224.405573][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1224.405573][ T72] dst_init+0x84/0x4a0 [ 1224.405573][ T72] dst_alloc+0x97/0x150 [ 1224.405573][ T72] ip6_dst_alloc+0x23/0x90 [ 1224.405573][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1224.405573][ T72] ip6_pol_route+0x56f/0x840 [ 1224.405573][ T72] fib6_rule_lookup+0x456/0x630 [ 1224.405573][ T72] ip6_route_input+0x59c/0xa50 [ 1224.405573][ T72] ipv6_rcv+0x397/0x810 [ 1224.405573][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1224.405573][ T72] process_backlog+0x101/0x620 [ 1224.405573][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1224.405573][ T72] net_rx_action+0x495/0xbe0 [ 1224.405573][ T72] __do_softirq+0x1b5/0x7f6 [ 1224.405573][ T72] [ 1224.407377][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1224.407377][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.407377][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.407377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.407377][ T72] ip6_route_add+0x1c/0x140 [ 1224.407377][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1224.407377][ T72] inet6_addr_add+0x4f8/0xa40 [ 1224.407377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.407377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.407377][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.407377][ T72] netlink_unicast+0x449/0x710 [ 1224.407377][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.407377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.407377][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.407377][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.407377][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.407377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.407377][ T72] [ 1224.409600][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1224.409600][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.409600][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.409600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.409600][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1224.409600][ T72] ipv6_add_addr+0x411/0x2000 [ 1224.409600][ T72] inet6_addr_add+0x30e/0xa40 [ 1224.409600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.409600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.409600][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.409600][ T72] netlink_unicast+0x449/0x710 [ 1224.409600][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.409600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.409600][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.409600][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.409600][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.409600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.409600][ T72] [ 1224.411834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1224.411834][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.411834][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.411834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.411834][ T72] ip6_route_add+0x1c/0x140 [ 1224.411834][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1224.411834][ T72] addrconf_add_dev+0xe2/0x170 [ 1224.411834][ T72] inet6_addr_add+0x12f/0xa40 [ 1224.411834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.411834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.411834][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.411834][ T72] netlink_unicast+0x449/0x710 [ 1224.411834][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.411834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.411834][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.411834][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.411834][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.411834][ T72] [ 1224.414095][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1224.414095][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1224.414095][ T72] ipv6_find_idev+0x102/0x170 [ 1224.414095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.414095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.414095][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.414095][ T72] netlink_unicast+0x449/0x710 [ 1224.414095][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.414095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.414095][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.414095][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.414095][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.414095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.414095][ T72] [ 1224.415799][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1224.415799][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1224.415799][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1224.415799][ T72] ipv6_find_idev+0x102/0x170 [ 1224.415799][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.415799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.415799][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.415799][ T72] netlink_unicast+0x449/0x710 [ 1224.415799][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.415799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.415799][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.415799][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.415799][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.415799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.415799][ T72] [ 1224.417661][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1224.418074][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1224.418074][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.418074][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.418074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.418074][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1224.418074][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1224.418074][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1224.418074][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1224.418074][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1224.418074][ T72] addrconf_dad_begin+0x310/0x670 [ 1224.418074][ T72] addrconf_dad_work+0x10b/0xab0 [ 1224.418074][ T72] process_one_work+0x84d/0x18a0 [ 1224.418074][ T72] worker_thread+0x587/0xd30 [ 1224.418074][ T72] kthread+0x28a/0x350 [ 1224.418074][ T72] ret_from_fork+0x31/0x70 [ 1224.418074][ T72] ret_from_fork_asm+0x1a/0x30 [ 1224.418074][ T72] [ 1224.420161][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1224.420161][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.420161][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.420161][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.420161][ T72] ip6_route_add+0x1c/0x140 [ 1224.420161][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1224.420161][ T72] inet6_addr_add+0x4f8/0xa40 [ 1224.420161][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.420161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.420161][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.420161][ T72] netlink_unicast+0x449/0x710 [ 1224.420161][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.420161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.420161][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.420161][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.420161][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.420161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.420161][ T72] [ 1224.422329][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1224.422329][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.422329][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.422329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.422329][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1224.422329][ T72] ipv6_add_addr+0x411/0x2000 [ 1224.422329][ T72] inet6_addr_add+0x30e/0xa40 [ 1224.422329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.422329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.422329][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.422329][ T72] netlink_unicast+0x449/0x710 [ 1224.422329][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.422329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.422329][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.422329][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.422329][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.422329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.422329][ T72] [ 1224.424621][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1224.424621][ T72] netdev_get_by_index+0x5e/0x80 [ 1224.424621][ T72] fib6_nh_init+0x3d8/0x1580 [ 1224.424621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1224.424621][ T72] ip6_route_add+0x1c/0x140 [ 1224.424621][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1224.424621][ T72] addrconf_add_dev+0xe2/0x170 [ 1224.424621][ T72] inet6_addr_add+0x12f/0xa40 [ 1224.424621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.424621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.424621][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.424621][ T72] netlink_unicast+0x449/0x710 [ 1224.424621][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.424621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.424621][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.424621][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.424621][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.424621][ T72] [ 1224.426816][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1224.426816][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1224.426816][ T72] ipv6_find_idev+0x102/0x170 [ 1224.426816][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.426816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.426816][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.426816][ T72] netlink_unicast+0x449/0x710 [ 1224.426816][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.426816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.426816][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.426816][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.426816][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.426816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.426816][ T72] [ 1224.428517][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1224.428517][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1224.428517][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1224.428517][ T72] ipv6_find_idev+0x102/0x170 [ 1224.428517][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.428517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.428517][ T72] netlink_rcv_skb+0x130/0x360 [ 1224.428517][ T72] netlink_unicast+0x449/0x710 [ 1224.428517][ T72] netlink_sendmsg+0x723/0xbe0 [ 1224.428517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1224.428517][ T72] ___sys_sendmsg+0xee/0x170 [ 1224.428517][ T72] __sys_sendmsg+0xcd/0x170 [ 1224.428517][ T72] do_syscall_64+0xc6/0x1e0 [ 1224.428517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.428517][ T72] [ 1230.120944][ T42] INFO: task modprobe:885 blocked for more than 1105 seconds. [ 1230.121324][ T42] Not tainted 6.8.0-virtme #1 [ 1230.121454][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1230.121664][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 1230.121962][ T42] Call Trace: [ 1230.122061][ T42] [ 1230.122135][ T42] __schedule+0x705/0x1ac0 [ 1230.122274][ T42] ? __pfx___schedule+0x10/0x10 [ 1230.122404][ T42] ? schedule+0x1a5/0x210 [ 1230.122506][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.122644][ T42] ? schedule+0x1a5/0x210 [ 1230.122745][ T42] schedule+0xdf/0x210 [ 1230.122856][ T42] schedule_preempt_disabled+0x15/0x30 [ 1230.122981][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1230.123116][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1230.123278][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.123410][ T42] ? lock_acquire+0x1c1/0x220 [ 1230.123537][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1230.123674][ T42] down_write+0x1c9/0x200 [ 1230.123772][ T42] ? __pfx_down_write+0x10/0x10 [ 1230.123909][ T42] ? __lock_release+0x103/0x460 [ 1230.124038][ T42] ? __create_object+0x5e/0xb0 [ 1230.124169][ T42] ? __pfx___lock_release+0x10/0x10 [ 1230.124300][ T42] register_pernet_subsys+0x1a/0x50 [ 1230.124426][ T42] tcf_register_action+0xa3/0x600 [ 1230.124558][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 1230.124723][ T42] do_one_initcall+0xc8/0x3f0 [ 1230.124865][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1230.124995][ T42] ? __create_object+0x5e/0xb0 [ 1230.125124][ T42] ? kasan_unpoison+0x27/0x60 [ 1230.125257][ T42] do_init_module+0x233/0x740 [ 1230.125397][ T42] load_module+0x16b5/0x2350 [ 1230.125535][ T42] ? __pfx_load_module+0x10/0x10 [ 1230.125664][ T42] ? kernel_read_file+0x3d2/0x520 [ 1230.125820][ T42] ? kernel_read_file+0x300/0x520 [ 1230.125960][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1230.126094][ T42] ? init_module_from_file+0xd2/0x130 [ 1230.126219][ T42] init_module_from_file+0xd2/0x130 [ 1230.126345][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1230.126505][ T42] ? __lock_release+0x103/0x460 [ 1230.126629][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.126768][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.126904][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1230.127036][ T42] idempotent_init_module+0x342/0x620 [ 1230.127164][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1230.127341][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1230.127469][ T42] do_syscall_64+0xc6/0x1e0 [ 1230.127600][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1230.127757][ T42] RIP: 0033:0x7f41a8dc5e5d [ 1230.127898][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1230.128087][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 1230.128277][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 1230.128462][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 1230.128646][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 1230.128841][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 1230.129042][ T42] [ 1230.129139][ T42] [ 1230.129139][ T42] Showing all locks held in the system: [ 1230.129320][ T42] 2 locks held by kworker/u20:0/39: [ 1230.129583][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.129860][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.130145][ T42] 1 lock held by khungtaskd/42: [ 1230.130265][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1230.130492][ T42] 3 locks held by kworker/u16:1/72: [ 1230.130611][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.130871][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.131095][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1230.131316][ T42] 1 lock held by modprobe/885: [ 1230.131437][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1230.131700][ T42] [ 1230.131767][ T42] ============================================= [ 1230.131767][ T42] [ 1234.552924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1234.553413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1234.553413][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1234.553413][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1234.553413][ T72] fib6_nh_init+0xa22/0x1580 [ 1234.553413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.553413][ T72] ip6_route_add+0x1c/0x140 [ 1234.553413][ T72] inet6_rtm_newroute+0x104/0x110 [ 1234.553413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.553413][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.553413][ T72] netlink_unicast+0x449/0x710 [ 1234.553413][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.553413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.553413][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.553413][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.553413][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.553413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.553413][ T72] [ 1234.555308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1234.555308][ T72] dst_init+0x84/0x4a0 [ 1234.555308][ T72] dst_alloc+0x97/0x150 [ 1234.555308][ T72] ip6_dst_alloc+0x23/0x90 [ 1234.555308][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1234.555308][ T72] ip6_pol_route+0x56f/0x840 [ 1234.555308][ T72] fib6_rule_lookup+0x456/0x630 [ 1234.555308][ T72] ip6_route_input+0x59c/0xa50 [ 1234.555308][ T72] ipv6_rcv+0x397/0x810 [ 1234.555308][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1234.555308][ T72] process_backlog+0x101/0x620 [ 1234.555308][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1234.555308][ T72] net_rx_action+0x495/0xbe0 [ 1234.555308][ T72] __do_softirq+0x1b5/0x7f6 [ 1234.555308][ T72] [ 1234.556940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1234.556940][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.556940][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.556940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.556940][ T72] ip6_route_add+0x1c/0x140 [ 1234.556940][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1234.556940][ T72] inet6_addr_add+0x4f8/0xa40 [ 1234.556940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.556940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.556940][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.556940][ T72] netlink_unicast+0x449/0x710 [ 1234.556940][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.556940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.556940][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.556940][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.556940][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.556940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.556940][ T72] [ 1234.558929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1234.558929][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.558929][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.558929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.558929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1234.558929][ T72] ipv6_add_addr+0x411/0x2000 [ 1234.558929][ T72] inet6_addr_add+0x30e/0xa40 [ 1234.558929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.558929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.558929][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.558929][ T72] netlink_unicast+0x449/0x710 [ 1234.558929][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.558929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.558929][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.558929][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.558929][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.558929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.558929][ T72] [ 1234.560915][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1234.560915][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.560915][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.560915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.560915][ T72] ip6_route_add+0x1c/0x140 [ 1234.560915][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1234.560915][ T72] addrconf_add_dev+0xe2/0x170 [ 1234.560915][ T72] inet6_addr_add+0x12f/0xa40 [ 1234.560915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.560915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.560915][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.560915][ T72] netlink_unicast+0x449/0x710 [ 1234.560915][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.560915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.560915][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.560915][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.560915][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.560915][ T72] [ 1234.562898][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1234.562898][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1234.562898][ T72] ipv6_find_idev+0x102/0x170 [ 1234.562898][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.562898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.562898][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.562898][ T72] netlink_unicast+0x449/0x710 [ 1234.562898][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.562898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.562898][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.562898][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.562898][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.562898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.562898][ T72] [ 1234.564423][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1234.564423][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1234.564423][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1234.564423][ T72] ipv6_find_idev+0x102/0x170 [ 1234.564423][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.564423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.564423][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.564423][ T72] netlink_unicast+0x449/0x710 [ 1234.564423][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.564423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.564423][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.564423][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.564423][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.564423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.564423][ T72] [ 1234.566093][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1234.566360][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1234.566360][ T72] dst_init+0x84/0x4a0 [ 1234.566360][ T72] dst_alloc+0x97/0x150 [ 1234.566360][ T72] ip6_dst_alloc+0x23/0x90 [ 1234.566360][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1234.566360][ T72] ip6_pol_route+0x56f/0x840 [ 1234.566360][ T72] fib6_rule_lookup+0x456/0x630 [ 1234.566360][ T72] ip6_route_input+0x59c/0xa50 [ 1234.566360][ T72] ipv6_rcv+0x397/0x810 [ 1234.566360][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1234.566360][ T72] process_backlog+0x101/0x620 [ 1234.566360][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1234.566360][ T72] net_rx_action+0x495/0xbe0 [ 1234.566360][ T72] __do_softirq+0x1b5/0x7f6 [ 1234.566360][ T72] [ 1234.567990][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1234.567990][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.567990][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.567990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.567990][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1234.567990][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1234.567990][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1234.567990][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1234.567990][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1234.567990][ T72] addrconf_dad_begin+0x310/0x670 [ 1234.567990][ T72] addrconf_dad_work+0x10b/0xab0 [ 1234.567990][ T72] process_one_work+0x84d/0x18a0 [ 1234.567990][ T72] worker_thread+0x587/0xd30 [ 1234.567990][ T72] kthread+0x28a/0x350 [ 1234.567990][ T72] ret_from_fork+0x31/0x70 [ 1234.567990][ T72] ret_from_fork_asm+0x1a/0x30 [ 1234.567990][ T72] [ 1234.569880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1234.569880][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.569880][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.569880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.569880][ T72] ip6_route_add+0x1c/0x140 [ 1234.569880][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1234.569880][ T72] inet6_addr_add+0x4f8/0xa40 [ 1234.569880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.569880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.569880][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.569880][ T72] netlink_unicast+0x449/0x710 [ 1234.569880][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.569880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.569880][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.569880][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.569880][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.569880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.569880][ T72] [ 1234.571875][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1234.571875][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.571875][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.571875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.571875][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1234.571875][ T72] ipv6_add_addr+0x411/0x2000 [ 1234.571875][ T72] inet6_addr_add+0x30e/0xa40 [ 1234.571875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.571875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.571875][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.571875][ T72] netlink_unicast+0x449/0x710 [ 1234.571875][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.571875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.571875][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.571875][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.571875][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.571875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.571875][ T72] [ 1234.573847][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1234.573847][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.573847][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.573847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.573847][ T72] ip6_route_add+0x1c/0x140 [ 1234.573847][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1234.573847][ T72] addrconf_add_dev+0xe2/0x170 [ 1234.573847][ T72] inet6_addr_add+0x12f/0xa40 [ 1234.573847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.573847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.573847][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.573847][ T72] netlink_unicast+0x449/0x710 [ 1234.573847][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.573847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.573847][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.573847][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.573847][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.573847][ T72] [ 1234.575786][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1234.575786][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1234.575786][ T72] ipv6_find_idev+0x102/0x170 [ 1234.575786][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.575786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.575786][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.575786][ T72] netlink_unicast+0x449/0x710 [ 1234.575786][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.575786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.575786][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.575786][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.575786][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.575786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.575786][ T72] [ 1234.577306][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1234.577306][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1234.577306][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1234.577306][ T72] ipv6_find_idev+0x102/0x170 [ 1234.577306][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.577306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.577306][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.577306][ T72] netlink_unicast+0x449/0x710 [ 1234.577306][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.577306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.577306][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.577306][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.577306][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.577306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.577306][ T72] [ 1234.579037][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1234.579310][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1234.579310][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1234.579310][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1234.579310][ T72] fib6_nh_init+0xa22/0x1580 [ 1234.579310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.579310][ T72] ip6_route_add+0x1c/0x140 [ 1234.579310][ T72] inet6_rtm_newroute+0x104/0x110 [ 1234.579310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.579310][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.579310][ T72] netlink_unicast+0x449/0x710 [ 1234.579310][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.579310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.579310][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.579310][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.579310][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.579310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.579310][ T72] [ 1234.581291][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1234.581291][ T72] dst_init+0x84/0x4a0 [ 1234.581291][ T72] dst_alloc+0x97/0x150 [ 1234.581291][ T72] ip6_dst_alloc+0x23/0x90 [ 1234.581291][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1234.581291][ T72] ip6_pol_route+0x56f/0x840 [ 1234.581291][ T72] fib6_rule_lookup+0x456/0x630 [ 1234.581291][ T72] ip6_route_input+0x59c/0xa50 [ 1234.581291][ T72] ipv6_rcv+0x397/0x810 [ 1234.581291][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1234.581291][ T72] process_backlog+0x101/0x620 [ 1234.581291][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1234.581291][ T72] net_rx_action+0x495/0xbe0 [ 1234.581291][ T72] __do_softirq+0x1b5/0x7f6 [ 1234.581291][ T72] [ 1234.582995][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1234.582995][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.582995][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.582995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.582995][ T72] ip6_route_add+0x1c/0x140 [ 1234.582995][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1234.582995][ T72] inet6_addr_add+0x4f8/0xa40 [ 1234.582995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.582995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.582995][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.582995][ T72] netlink_unicast+0x449/0x710 [ 1234.582995][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.582995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.582995][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.582995][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.582995][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.582995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.582995][ T72] [ 1234.585229][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1234.585229][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.585229][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.585229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.585229][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1234.585229][ T72] ipv6_add_addr+0x411/0x2000 [ 1234.585229][ T72] inet6_addr_add+0x30e/0xa40 [ 1234.585229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.585229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.585229][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.585229][ T72] netlink_unicast+0x449/0x710 [ 1234.585229][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.585229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.585229][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.585229][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.585229][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.585229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.585229][ T72] [ 1234.587333][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1234.587333][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.587333][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.587333][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.587333][ T72] ip6_route_add+0x1c/0x140 [ 1234.587333][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1234.587333][ T72] addrconf_add_dev+0xe2/0x170 [ 1234.587333][ T72] inet6_addr_add+0x12f/0xa40 [ 1234.587333][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.587333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.587333][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.587333][ T72] netlink_unicast+0x449/0x710 [ 1234.587333][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.587333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.587333][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.587333][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.587333][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.587333][ T72] [ 1234.589935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1234.589935][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1234.589935][ T72] ipv6_find_idev+0x102/0x170 [ 1234.589935][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.589935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.589935][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.589935][ T72] netlink_unicast+0x449/0x710 [ 1234.589935][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.589935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.589935][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.589935][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.589935][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.589935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.589935][ T72] [ 1234.591522][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1234.591522][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1234.591522][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1234.591522][ T72] ipv6_find_idev+0x102/0x170 [ 1234.591522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.591522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.591522][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.591522][ T72] netlink_unicast+0x449/0x710 [ 1234.591522][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.591522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.591522][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.591522][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.591522][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.591522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.591522][ T72] [ 1234.593327][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1234.593606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1234.593606][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.593606][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.593606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.593606][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1234.593606][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1234.593606][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1234.593606][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1234.593606][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1234.593606][ T72] addrconf_dad_begin+0x310/0x670 [ 1234.593606][ T72] addrconf_dad_work+0x10b/0xab0 [ 1234.593606][ T72] process_one_work+0x84d/0x18a0 [ 1234.593606][ T72] worker_thread+0x587/0xd30 [ 1234.593606][ T72] kthread+0x28a/0x350 [ 1234.593606][ T72] ret_from_fork+0x31/0x70 [ 1234.593606][ T72] ret_from_fork_asm+0x1a/0x30 [ 1234.593606][ T72] [ 1234.595742][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1234.595742][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.595742][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.595742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.595742][ T72] ip6_route_add+0x1c/0x140 [ 1234.595742][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1234.595742][ T72] inet6_addr_add+0x4f8/0xa40 [ 1234.595742][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.595742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.595742][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.595742][ T72] netlink_unicast+0x449/0x710 [ 1234.595742][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.595742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.595742][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.595742][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.595742][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.595742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.595742][ T72] [ 1234.598380][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1234.598380][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.598380][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.598380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.598380][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1234.598380][ T72] ipv6_add_addr+0x411/0x2000 [ 1234.598380][ T72] inet6_addr_add+0x30e/0xa40 [ 1234.598380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.598380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.598380][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.598380][ T72] netlink_unicast+0x449/0x710 [ 1234.598380][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.598380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.598380][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.598380][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.598380][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.598380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.598380][ T72] [ 1234.600608][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1234.600608][ T72] netdev_get_by_index+0x5e/0x80 [ 1234.600608][ T72] fib6_nh_init+0x3d8/0x1580 [ 1234.600608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1234.600608][ T72] ip6_route_add+0x1c/0x140 [ 1234.600608][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1234.600608][ T72] addrconf_add_dev+0xe2/0x170 [ 1234.600608][ T72] inet6_addr_add+0x12f/0xa40 [ 1234.600608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.600608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.600608][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.600608][ T72] netlink_unicast+0x449/0x710 [ 1234.600608][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.600608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.600608][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.600608][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.600608][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.600608][ T72] [ 1234.602801][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1234.602801][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1234.602801][ T72] ipv6_find_idev+0x102/0x170 [ 1234.602801][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.602801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.602801][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.602801][ T72] netlink_unicast+0x449/0x710 [ 1234.602801][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.602801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.602801][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.602801][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.602801][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.602801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.602801][ T72] [ 1234.604504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1234.604504][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1234.604504][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1234.604504][ T72] ipv6_find_idev+0x102/0x170 [ 1234.604504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.604504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.604504][ T72] netlink_rcv_skb+0x130/0x360 [ 1234.604504][ T72] netlink_unicast+0x449/0x710 [ 1234.604504][ T72] netlink_sendmsg+0x723/0xbe0 [ 1234.604504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1234.604504][ T72] ___sys_sendmsg+0xee/0x170 [ 1234.604504][ T72] __sys_sendmsg+0xcd/0x170 [ 1234.604504][ T72] do_syscall_64+0xc6/0x1e0 [ 1234.604504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.604504][ T72] [ 1244.704942][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1244.705452][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1244.705452][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1244.705452][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1244.705452][ T72] fib6_nh_init+0xa22/0x1580 [ 1244.705452][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.705452][ T72] ip6_route_add+0x1c/0x140 [ 1244.705452][ T72] inet6_rtm_newroute+0x104/0x110 [ 1244.705452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.705452][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.705452][ T72] netlink_unicast+0x449/0x710 [ 1244.705452][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.705452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.705452][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.705452][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.705452][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.705452][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.705452][ T72] [ 1244.707337][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1244.707337][ T72] dst_init+0x84/0x4a0 [ 1244.707337][ T72] dst_alloc+0x97/0x150 [ 1244.707337][ T72] ip6_dst_alloc+0x23/0x90 [ 1244.707337][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1244.707337][ T72] ip6_pol_route+0x56f/0x840 [ 1244.707337][ T72] fib6_rule_lookup+0x456/0x630 [ 1244.707337][ T72] ip6_route_input+0x59c/0xa50 [ 1244.707337][ T72] ipv6_rcv+0x397/0x810 [ 1244.707337][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1244.707337][ T72] process_backlog+0x101/0x620 [ 1244.707337][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1244.707337][ T72] net_rx_action+0x495/0xbe0 [ 1244.707337][ T72] __do_softirq+0x1b5/0x7f6 [ 1244.707337][ T72] [ 1244.708968][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1244.708968][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.708968][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.708968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.708968][ T72] ip6_route_add+0x1c/0x140 [ 1244.708968][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1244.708968][ T72] inet6_addr_add+0x4f8/0xa40 [ 1244.708968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.708968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.708968][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.708968][ T72] netlink_unicast+0x449/0x710 [ 1244.708968][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.708968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.708968][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.708968][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.708968][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.708968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.708968][ T72] [ 1244.710951][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1244.710951][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.710951][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.710951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.710951][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1244.710951][ T72] ipv6_add_addr+0x411/0x2000 [ 1244.710951][ T72] inet6_addr_add+0x30e/0xa40 [ 1244.710951][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.710951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.710951][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.710951][ T72] netlink_unicast+0x449/0x710 [ 1244.710951][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.710951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.710951][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.710951][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.710951][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.710951][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.710951][ T72] [ 1244.712944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1244.712944][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.712944][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.712944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.712944][ T72] ip6_route_add+0x1c/0x140 [ 1244.712944][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1244.712944][ T72] addrconf_add_dev+0xe2/0x170 [ 1244.712944][ T72] inet6_addr_add+0x12f/0xa40 [ 1244.712944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.712944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.712944][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.712944][ T72] netlink_unicast+0x449/0x710 [ 1244.712944][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.712944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.712944][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.712944][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.712944][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.712944][ T72] [ 1244.714885][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1244.714885][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1244.714885][ T72] ipv6_find_idev+0x102/0x170 [ 1244.714885][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.714885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.714885][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.714885][ T72] netlink_unicast+0x449/0x710 [ 1244.714885][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.714885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.714885][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.714885][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.714885][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.714885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.714885][ T72] [ 1244.716406][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1244.716406][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1244.716406][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1244.716406][ T72] ipv6_find_idev+0x102/0x170 [ 1244.716406][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.716406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.716406][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.716406][ T72] netlink_unicast+0x449/0x710 [ 1244.716406][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.716406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.716406][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.716406][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.716406][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.716406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.716406][ T72] [ 1244.718080][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1244.718351][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1244.718351][ T72] dst_init+0x84/0x4a0 [ 1244.718351][ T72] dst_alloc+0x97/0x150 [ 1244.718351][ T72] ip6_dst_alloc+0x23/0x90 [ 1244.718351][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1244.718351][ T72] ip6_pol_route+0x56f/0x840 [ 1244.718351][ T72] fib6_rule_lookup+0x456/0x630 [ 1244.718351][ T72] ip6_route_input+0x59c/0xa50 [ 1244.718351][ T72] ipv6_rcv+0x397/0x810 [ 1244.718351][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1244.718351][ T72] process_backlog+0x101/0x620 [ 1244.718351][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1244.718351][ T72] net_rx_action+0x495/0xbe0 [ 1244.718351][ T72] __do_softirq+0x1b5/0x7f6 [ 1244.718351][ T72] [ 1244.719972][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1244.719972][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.719972][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.719972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.719972][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1244.719972][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1244.719972][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1244.719972][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1244.719972][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1244.719972][ T72] addrconf_dad_begin+0x310/0x670 [ 1244.719972][ T72] addrconf_dad_work+0x10b/0xab0 [ 1244.719972][ T72] process_one_work+0x84d/0x18a0 [ 1244.719972][ T72] worker_thread+0x587/0xd30 [ 1244.719972][ T72] kthread+0x28a/0x350 [ 1244.719972][ T72] ret_from_fork+0x31/0x70 [ 1244.719972][ T72] ret_from_fork_asm+0x1a/0x30 [ 1244.719972][ T72] [ 1244.721860][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1244.721860][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.721860][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.721860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.721860][ T72] ip6_route_add+0x1c/0x140 [ 1244.721860][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1244.721860][ T72] inet6_addr_add+0x4f8/0xa40 [ 1244.721860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.721860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.721860][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.721860][ T72] netlink_unicast+0x449/0x710 [ 1244.721860][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.721860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.721860][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.721860][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.721860][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.721860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.721860][ T72] [ 1244.723837][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1244.723837][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.723837][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.723837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.723837][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1244.723837][ T72] ipv6_add_addr+0x411/0x2000 [ 1244.723837][ T72] inet6_addr_add+0x30e/0xa40 [ 1244.723837][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.723837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.723837][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.723837][ T72] netlink_unicast+0x449/0x710 [ 1244.723837][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.723837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.723837][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.723837][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.723837][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.723837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.723837][ T72] [ 1244.725806][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1244.725806][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.725806][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.725806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.725806][ T72] ip6_route_add+0x1c/0x140 [ 1244.725806][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1244.725806][ T72] addrconf_add_dev+0xe2/0x170 [ 1244.725806][ T72] inet6_addr_add+0x12f/0xa40 [ 1244.725806][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.725806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.725806][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.725806][ T72] netlink_unicast+0x449/0x710 [ 1244.725806][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.725806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.725806][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.725806][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.725806][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.725806][ T72] [ 1244.727773][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1244.727773][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1244.727773][ T72] ipv6_find_idev+0x102/0x170 [ 1244.727773][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.727773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.727773][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.727773][ T72] netlink_unicast+0x449/0x710 [ 1244.727773][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.727773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.727773][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.727773][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.727773][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.727773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.727773][ T72] [ 1244.729313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1244.729313][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1244.729313][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1244.729313][ T72] ipv6_find_idev+0x102/0x170 [ 1244.729313][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.729313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.729313][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.729313][ T72] netlink_unicast+0x449/0x710 [ 1244.729313][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.729313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.729313][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.729313][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.729313][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.729313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.729313][ T72] [ 1244.731046][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1244.731375][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1244.731375][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1244.731375][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1244.731375][ T72] fib6_nh_init+0xa22/0x1580 [ 1244.731375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.731375][ T72] ip6_route_add+0x1c/0x140 [ 1244.731375][ T72] inet6_rtm_newroute+0x104/0x110 [ 1244.731375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.731375][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.731375][ T72] netlink_unicast+0x449/0x710 [ 1244.731375][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.731375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.731375][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.731375][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.731375][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.731375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.731375][ T72] [ 1244.733417][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1244.733417][ T72] dst_init+0x84/0x4a0 [ 1244.733417][ T72] dst_alloc+0x97/0x150 [ 1244.733417][ T72] ip6_dst_alloc+0x23/0x90 [ 1244.733417][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1244.733417][ T72] ip6_pol_route+0x56f/0x840 [ 1244.733417][ T72] fib6_rule_lookup+0x456/0x630 [ 1244.733417][ T72] ip6_route_input+0x59c/0xa50 [ 1244.733417][ T72] ipv6_rcv+0x397/0x810 [ 1244.733417][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1244.733417][ T72] process_backlog+0x101/0x620 [ 1244.733417][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1244.733417][ T72] net_rx_action+0x495/0xbe0 [ 1244.733417][ T72] __do_softirq+0x1b5/0x7f6 [ 1244.733417][ T72] [ 1244.735823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1244.735823][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.735823][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.735823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.735823][ T72] ip6_route_add+0x1c/0x140 [ 1244.735823][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1244.735823][ T72] inet6_addr_add+0x4f8/0xa40 [ 1244.735823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.735823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.735823][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.735823][ T72] netlink_unicast+0x449/0x710 [ 1244.735823][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.735823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.735823][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.735823][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.735823][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.735823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.735823][ T72] [ 1244.737998][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1244.737998][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.737998][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.737998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.737998][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1244.737998][ T72] ipv6_add_addr+0x411/0x2000 [ 1244.737998][ T72] inet6_addr_add+0x30e/0xa40 [ 1244.737998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.737998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.737998][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.737998][ T72] netlink_unicast+0x449/0x710 [ 1244.737998][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.737998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.737998][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.737998][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.737998][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.737998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.737998][ T72] [ 1244.740220][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1244.740220][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.740220][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.740220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.740220][ T72] ip6_route_add+0x1c/0x140 [ 1244.740220][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1244.740220][ T72] addrconf_add_dev+0xe2/0x170 [ 1244.740220][ T72] inet6_addr_add+0x12f/0xa40 [ 1244.740220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.740220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.740220][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.740220][ T72] netlink_unicast+0x449/0x710 [ 1244.740220][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.740220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.740220][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.740220][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.740220][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.740220][ T72] [ 1244.742501][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1244.742501][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1244.742501][ T72] ipv6_find_idev+0x102/0x170 [ 1244.742501][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.742501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.742501][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.742501][ T72] netlink_unicast+0x449/0x710 [ 1244.742501][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.742501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.742501][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.742501][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.742501][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.742501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.742501][ T72] [ 1244.744214][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1244.744214][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1244.744214][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1244.744214][ T72] ipv6_find_idev+0x102/0x170 [ 1244.744214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.744214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.744214][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.744214][ T72] netlink_unicast+0x449/0x710 [ 1244.744214][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.744214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.744214][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.744214][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.744214][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.744214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.744214][ T72] [ 1244.746064][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1244.746392][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1244.746392][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.746392][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.746392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.746392][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1244.746392][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1244.746392][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1244.746392][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1244.746392][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1244.746392][ T72] addrconf_dad_begin+0x310/0x670 [ 1244.746392][ T72] addrconf_dad_work+0x10b/0xab0 [ 1244.746392][ T72] process_one_work+0x84d/0x18a0 [ 1244.746392][ T72] worker_thread+0x587/0xd30 [ 1244.746392][ T72] kthread+0x28a/0x350 [ 1244.746392][ T72] ret_from_fork+0x31/0x70 [ 1244.746392][ T72] ret_from_fork_asm+0x1a/0x30 [ 1244.746392][ T72] [ 1244.748461][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1244.748461][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.748461][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.748461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.748461][ T72] ip6_route_add+0x1c/0x140 [ 1244.748461][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1244.748461][ T72] inet6_addr_add+0x4f8/0xa40 [ 1244.748461][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.748461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.748461][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.748461][ T72] netlink_unicast+0x449/0x710 [ 1244.748461][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.748461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.748461][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.748461][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.748461][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.748461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.748461][ T72] [ 1244.750704][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1244.750704][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.750704][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.750704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.750704][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1244.750704][ T72] ipv6_add_addr+0x411/0x2000 [ 1244.750704][ T72] inet6_addr_add+0x30e/0xa40 [ 1244.750704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.750704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.750704][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.750704][ T72] netlink_unicast+0x449/0x710 [ 1244.750704][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.750704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.750704][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.750704][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.750704][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.750704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.750704][ T72] [ 1244.752998][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1244.752998][ T72] netdev_get_by_index+0x5e/0x80 [ 1244.752998][ T72] fib6_nh_init+0x3d8/0x1580 [ 1244.752998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1244.752998][ T72] ip6_route_add+0x1c/0x140 [ 1244.752998][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1244.752998][ T72] addrconf_add_dev+0xe2/0x170 [ 1244.752998][ T72] inet6_addr_add+0x12f/0xa40 [ 1244.752998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.752998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.752998][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.752998][ T72] netlink_unicast+0x449/0x710 [ 1244.752998][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.752998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.752998][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.752998][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.752998][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.752998][ T72] [ 1244.755575][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1244.755575][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1244.755575][ T72] ipv6_find_idev+0x102/0x170 [ 1244.755575][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.755575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.755575][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.755575][ T72] netlink_unicast+0x449/0x710 [ 1244.755575][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.755575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.755575][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.755575][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.755575][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.755575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.755575][ T72] [ 1244.757283][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1244.757283][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1244.757283][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1244.757283][ T72] ipv6_find_idev+0x102/0x170 [ 1244.757283][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.757283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.757283][ T72] netlink_rcv_skb+0x130/0x360 [ 1244.757283][ T72] netlink_unicast+0x449/0x710 [ 1244.757283][ T72] netlink_sendmsg+0x723/0xbe0 [ 1244.757283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1244.757283][ T72] ___sys_sendmsg+0xee/0x170 [ 1244.757283][ T72] __sys_sendmsg+0xcd/0x170 [ 1244.757283][ T72] do_syscall_64+0xc6/0x1e0 [ 1244.757283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.757283][ T72] [ 1254.912906][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1254.913360][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1254.913360][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1254.913360][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1254.913360][ T72] fib6_nh_init+0xa22/0x1580 [ 1254.913360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.913360][ T72] ip6_route_add+0x1c/0x140 [ 1254.913360][ T72] inet6_rtm_newroute+0x104/0x110 [ 1254.913360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.913360][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.913360][ T72] netlink_unicast+0x449/0x710 [ 1254.913360][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.913360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.913360][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.913360][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.913360][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.913360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.913360][ T72] [ 1254.915275][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1254.915275][ T72] dst_init+0x84/0x4a0 [ 1254.915275][ T72] dst_alloc+0x97/0x150 [ 1254.915275][ T72] ip6_dst_alloc+0x23/0x90 [ 1254.915275][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1254.915275][ T72] ip6_pol_route+0x56f/0x840 [ 1254.915275][ T72] fib6_rule_lookup+0x456/0x630 [ 1254.915275][ T72] ip6_route_input+0x59c/0xa50 [ 1254.915275][ T72] ipv6_rcv+0x397/0x810 [ 1254.915275][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1254.915275][ T72] process_backlog+0x101/0x620 [ 1254.915275][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1254.915275][ T72] net_rx_action+0x495/0xbe0 [ 1254.915275][ T72] __do_softirq+0x1b5/0x7f6 [ 1254.915275][ T72] [ 1254.916935][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1254.916935][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.916935][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.916935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.916935][ T72] ip6_route_add+0x1c/0x140 [ 1254.916935][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1254.916935][ T72] inet6_addr_add+0x4f8/0xa40 [ 1254.916935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.916935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.916935][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.916935][ T72] netlink_unicast+0x449/0x710 [ 1254.916935][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.916935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.916935][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.916935][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.916935][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.916935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.916935][ T72] [ 1254.918936][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1254.918936][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.918936][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.918936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.918936][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1254.918936][ T72] ipv6_add_addr+0x411/0x2000 [ 1254.918936][ T72] inet6_addr_add+0x30e/0xa40 [ 1254.918936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.918936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.918936][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.918936][ T72] netlink_unicast+0x449/0x710 [ 1254.918936][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.918936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.918936][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.918936][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.918936][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.918936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.918936][ T72] [ 1254.921586][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1254.921586][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.921586][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.921586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.921586][ T72] ip6_route_add+0x1c/0x140 [ 1254.921586][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1254.921586][ T72] addrconf_add_dev+0xe2/0x170 [ 1254.921586][ T72] inet6_addr_add+0x12f/0xa40 [ 1254.921586][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.921586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.921586][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.921586][ T72] netlink_unicast+0x449/0x710 [ 1254.921586][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.921586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.921586][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.921586][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.921586][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.921586][ T72] [ 1254.923573][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1254.923573][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1254.923573][ T72] ipv6_find_idev+0x102/0x170 [ 1254.923573][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.923573][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.923573][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.923573][ T72] netlink_unicast+0x449/0x710 [ 1254.923573][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.923573][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.923573][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.923573][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.923573][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.923573][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.923573][ T72] [ 1254.925117][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1254.925117][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1254.925117][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1254.925117][ T72] ipv6_find_idev+0x102/0x170 [ 1254.925117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.925117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.925117][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.925117][ T72] netlink_unicast+0x449/0x710 [ 1254.925117][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.925117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.925117][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.925117][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.925117][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.925117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.925117][ T72] [ 1254.926833][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1254.927105][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1254.927105][ T72] dst_init+0x84/0x4a0 [ 1254.927105][ T72] dst_alloc+0x97/0x150 [ 1254.927105][ T72] ip6_dst_alloc+0x23/0x90 [ 1254.927105][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1254.927105][ T72] ip6_pol_route+0x56f/0x840 [ 1254.927105][ T72] fib6_rule_lookup+0x456/0x630 [ 1254.927105][ T72] ip6_route_input+0x59c/0xa50 [ 1254.927105][ T72] ipv6_rcv+0x397/0x810 [ 1254.927105][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1254.927105][ T72] process_backlog+0x101/0x620 [ 1254.927105][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1254.927105][ T72] net_rx_action+0x495/0xbe0 [ 1254.927105][ T72] __do_softirq+0x1b5/0x7f6 [ 1254.927105][ T72] [ 1254.928763][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1254.928763][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.928763][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.928763][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.928763][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1254.928763][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1254.928763][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1254.928763][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1254.928763][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1254.928763][ T72] addrconf_dad_begin+0x310/0x670 [ 1254.928763][ T72] addrconf_dad_work+0x10b/0xab0 [ 1254.928763][ T72] process_one_work+0x84d/0x18a0 [ 1254.928763][ T72] worker_thread+0x587/0xd30 [ 1254.928763][ T72] kthread+0x28a/0x350 [ 1254.928763][ T72] ret_from_fork+0x31/0x70 [ 1254.928763][ T72] ret_from_fork_asm+0x1a/0x30 [ 1254.928763][ T72] [ 1254.930676][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1254.930676][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.930676][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.930676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.930676][ T72] ip6_route_add+0x1c/0x140 [ 1254.930676][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1254.930676][ T72] inet6_addr_add+0x4f8/0xa40 [ 1254.930676][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.930676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.930676][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.930676][ T72] netlink_unicast+0x449/0x710 [ 1254.930676][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.930676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.930676][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.930676][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.930676][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.930676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.930676][ T72] [ 1254.932685][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1254.932685][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.932685][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.932685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.932685][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1254.932685][ T72] ipv6_add_addr+0x411/0x2000 [ 1254.932685][ T72] inet6_addr_add+0x30e/0xa40 [ 1254.932685][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.932685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.932685][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.932685][ T72] netlink_unicast+0x449/0x710 [ 1254.932685][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.932685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.932685][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.932685][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.932685][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.932685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.932685][ T72] [ 1254.934689][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1254.934689][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.934689][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.934689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.934689][ T72] ip6_route_add+0x1c/0x140 [ 1254.934689][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1254.934689][ T72] addrconf_add_dev+0xe2/0x170 [ 1254.934689][ T72] inet6_addr_add+0x12f/0xa40 [ 1254.934689][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.934689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.934689][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.934689][ T72] netlink_unicast+0x449/0x710 [ 1254.934689][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.934689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.934689][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.934689][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.934689][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.934689][ T72] [ 1254.936763][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1254.936763][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1254.936763][ T72] ipv6_find_idev+0x102/0x170 [ 1254.936763][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.936763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.936763][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.936763][ T72] netlink_unicast+0x449/0x710 [ 1254.936763][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.936763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.936763][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.936763][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.936763][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.936763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.936763][ T72] [ 1254.938704][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1254.938704][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1254.938704][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1254.938704][ T72] ipv6_find_idev+0x102/0x170 [ 1254.938704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.938704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.938704][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.938704][ T72] netlink_unicast+0x449/0x710 [ 1254.938704][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.938704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.938704][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.938704][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.938704][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.938704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.938704][ T72] [ 1254.940533][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1254.940806][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1254.940806][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1254.940806][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1254.940806][ T72] fib6_nh_init+0xa22/0x1580 [ 1254.940806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.940806][ T72] ip6_route_add+0x1c/0x140 [ 1254.940806][ T72] inet6_rtm_newroute+0x104/0x110 [ 1254.940806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.940806][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.940806][ T72] netlink_unicast+0x449/0x710 [ 1254.940806][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.940806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.940806][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.940806][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.940806][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.940806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.940806][ T72] [ 1254.943003][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1254.943003][ T72] dst_init+0x84/0x4a0 [ 1254.943003][ T72] dst_alloc+0x97/0x150 [ 1254.943003][ T72] ip6_dst_alloc+0x23/0x90 [ 1254.943003][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1254.943003][ T72] ip6_pol_route+0x56f/0x840 [ 1254.943003][ T72] fib6_rule_lookup+0x456/0x630 [ 1254.943003][ T72] ip6_route_input+0x59c/0xa50 [ 1254.943003][ T72] ipv6_rcv+0x397/0x810 [ 1254.943003][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1254.943003][ T72] process_backlog+0x101/0x620 [ 1254.943003][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1254.943003][ T72] net_rx_action+0x495/0xbe0 [ 1254.943003][ T72] __do_softirq+0x1b5/0x7f6 [ 1254.943003][ T72] [ 1254.944823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1254.944823][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.944823][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.944823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.944823][ T72] ip6_route_add+0x1c/0x140 [ 1254.944823][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1254.944823][ T72] inet6_addr_add+0x4f8/0xa40 [ 1254.944823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.944823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.944823][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.944823][ T72] netlink_unicast+0x449/0x710 [ 1254.944823][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.944823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.944823][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.944823][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.944823][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.944823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.944823][ T72] [ 1254.947070][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1254.947070][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.947070][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.947070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.947070][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1254.947070][ T72] ipv6_add_addr+0x411/0x2000 [ 1254.947070][ T72] inet6_addr_add+0x30e/0xa40 [ 1254.947070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.947070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.947070][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.947070][ T72] netlink_unicast+0x449/0x710 [ 1254.947070][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.947070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.947070][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.947070][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.947070][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.947070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.947070][ T72] [ 1254.949256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1254.949256][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.949256][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.949256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.949256][ T72] ip6_route_add+0x1c/0x140 [ 1254.949256][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1254.949256][ T72] addrconf_add_dev+0xe2/0x170 [ 1254.949256][ T72] inet6_addr_add+0x12f/0xa40 [ 1254.949256][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.949256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.949256][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.949256][ T72] netlink_unicast+0x449/0x710 [ 1254.949256][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.949256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.949256][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.949256][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.949256][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.949256][ T72] [ 1254.951531][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1254.951531][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1254.951531][ T72] ipv6_find_idev+0x102/0x170 [ 1254.951531][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.951531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.951531][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.951531][ T72] netlink_unicast+0x449/0x710 [ 1254.951531][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.951531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.951531][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.951531][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.951531][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.951531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.951531][ T72] [ 1254.953264][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1254.953264][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1254.953264][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1254.953264][ T72] ipv6_find_idev+0x102/0x170 [ 1254.953264][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.953264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.953264][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.953264][ T72] netlink_unicast+0x449/0x710 [ 1254.953264][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.953264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.953264][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.953264][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.953264][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.953264][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.953264][ T72] [ 1254.955205][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1254.955483][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1254.955483][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.955483][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.955483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.955483][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1254.955483][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1254.955483][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1254.955483][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1254.955483][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1254.955483][ T72] addrconf_dad_begin+0x310/0x670 [ 1254.955483][ T72] addrconf_dad_work+0x10b/0xab0 [ 1254.955483][ T72] process_one_work+0x84d/0x18a0 [ 1254.955483][ T72] worker_thread+0x587/0xd30 [ 1254.955483][ T72] kthread+0x28a/0x350 [ 1254.955483][ T72] ret_from_fork+0x31/0x70 [ 1254.955483][ T72] ret_from_fork_asm+0x1a/0x30 [ 1254.955483][ T72] [ 1254.957641][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1254.957641][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.957641][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.957641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.957641][ T72] ip6_route_add+0x1c/0x140 [ 1254.957641][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1254.957641][ T72] inet6_addr_add+0x4f8/0xa40 [ 1254.957641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.957641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.957641][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.957641][ T72] netlink_unicast+0x449/0x710 [ 1254.957641][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.957641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.957641][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.957641][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.957641][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.957641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.957641][ T72] [ 1254.959821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1254.959821][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.959821][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.959821][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.959821][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1254.959821][ T72] ipv6_add_addr+0x411/0x2000 [ 1254.959821][ T72] inet6_addr_add+0x30e/0xa40 [ 1254.959821][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.959821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.959821][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.959821][ T72] netlink_unicast+0x449/0x710 [ 1254.959821][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.959821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.959821][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.959821][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.959821][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.959821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.959821][ T72] [ 1254.962130][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1254.962130][ T72] netdev_get_by_index+0x5e/0x80 [ 1254.962130][ T72] fib6_nh_init+0x3d8/0x1580 [ 1254.962130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1254.962130][ T72] ip6_route_add+0x1c/0x140 [ 1254.962130][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1254.962130][ T72] addrconf_add_dev+0xe2/0x170 [ 1254.962130][ T72] inet6_addr_add+0x12f/0xa40 [ 1254.962130][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.962130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.962130][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.962130][ T72] netlink_unicast+0x449/0x710 [ 1254.962130][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.962130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.962130][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.962130][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.962130][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.962130][ T72] [ 1254.964346][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1254.964346][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1254.964346][ T72] ipv6_find_idev+0x102/0x170 [ 1254.964346][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.964346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.964346][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.964346][ T72] netlink_unicast+0x449/0x710 [ 1254.964346][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.964346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.964346][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.964346][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.964346][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.964346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.964346][ T72] [ 1254.966085][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1254.966085][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1254.966085][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1254.966085][ T72] ipv6_find_idev+0x102/0x170 [ 1254.966085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.966085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.966085][ T72] netlink_rcv_skb+0x130/0x360 [ 1254.966085][ T72] netlink_unicast+0x449/0x710 [ 1254.966085][ T72] netlink_sendmsg+0x723/0xbe0 [ 1254.966085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1254.966085][ T72] ___sys_sendmsg+0xee/0x170 [ 1254.966085][ T72] __sys_sendmsg+0xcd/0x170 [ 1254.966085][ T72] do_syscall_64+0xc6/0x1e0 [ 1254.966085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.966085][ T72] [ 1265.208968][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1265.209491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1265.209491][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1265.209491][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1265.209491][ T72] fib6_nh_init+0xa22/0x1580 [ 1265.209491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.209491][ T72] ip6_route_add+0x1c/0x140 [ 1265.209491][ T72] inet6_rtm_newroute+0x104/0x110 [ 1265.209491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.209491][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.209491][ T72] netlink_unicast+0x449/0x710 [ 1265.209491][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.209491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.209491][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.209491][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.209491][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.209491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.209491][ T72] [ 1265.211399][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1265.211399][ T72] dst_init+0x84/0x4a0 [ 1265.211399][ T72] dst_alloc+0x97/0x150 [ 1265.211399][ T72] ip6_dst_alloc+0x23/0x90 [ 1265.211399][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1265.211399][ T72] ip6_pol_route+0x56f/0x840 [ 1265.211399][ T72] fib6_rule_lookup+0x456/0x630 [ 1265.211399][ T72] ip6_route_input+0x59c/0xa50 [ 1265.211399][ T72] ipv6_rcv+0x397/0x810 [ 1265.211399][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1265.211399][ T72] process_backlog+0x101/0x620 [ 1265.211399][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1265.211399][ T72] net_rx_action+0x495/0xbe0 [ 1265.211399][ T72] __do_softirq+0x1b5/0x7f6 [ 1265.211399][ T72] [ 1265.213062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1265.213062][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.213062][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.213062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.213062][ T72] ip6_route_add+0x1c/0x140 [ 1265.213062][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1265.213062][ T72] inet6_addr_add+0x4f8/0xa40 [ 1265.213062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.213062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.213062][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.213062][ T72] netlink_unicast+0x449/0x710 [ 1265.213062][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.213062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.213062][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.213062][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.213062][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.213062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.213062][ T72] [ 1265.215066][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1265.215066][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.215066][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.215066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.215066][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1265.215066][ T72] ipv6_add_addr+0x411/0x2000 [ 1265.215066][ T72] inet6_addr_add+0x30e/0xa40 [ 1265.215066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.215066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.215066][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.215066][ T72] netlink_unicast+0x449/0x710 [ 1265.215066][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.215066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.215066][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.215066][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.215066][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.215066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.215066][ T72] [ 1265.217062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1265.217062][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.217062][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.217062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.217062][ T72] ip6_route_add+0x1c/0x140 [ 1265.217062][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1265.217062][ T72] addrconf_add_dev+0xe2/0x170 [ 1265.217062][ T72] inet6_addr_add+0x12f/0xa40 [ 1265.217062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.217062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.217062][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.217062][ T72] netlink_unicast+0x449/0x710 [ 1265.217062][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.217062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.217062][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.217062][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.217062][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.217062][ T72] [ 1265.219034][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1265.219034][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1265.219034][ T72] ipv6_find_idev+0x102/0x170 [ 1265.219034][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.219034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.219034][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.219034][ T72] netlink_unicast+0x449/0x710 [ 1265.219034][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.219034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.219034][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.219034][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.219034][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.219034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.219034][ T72] [ 1265.220574][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1265.220574][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1265.220574][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1265.220574][ T72] ipv6_find_idev+0x102/0x170 [ 1265.220574][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.220574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.220574][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.220574][ T72] netlink_unicast+0x449/0x710 [ 1265.220574][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.220574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.220574][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.220574][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.220574][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.220574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.220574][ T72] [ 1265.222418][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1265.222697][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1265.222697][ T72] dst_init+0x84/0x4a0 [ 1265.222697][ T72] dst_alloc+0x97/0x150 [ 1265.222697][ T72] ip6_dst_alloc+0x23/0x90 [ 1265.222697][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1265.222697][ T72] ip6_pol_route+0x56f/0x840 [ 1265.222697][ T72] fib6_rule_lookup+0x456/0x630 [ 1265.222697][ T72] ip6_route_input+0x59c/0xa50 [ 1265.222697][ T72] ipv6_rcv+0x397/0x810 [ 1265.222697][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1265.222697][ T72] process_backlog+0x101/0x620 [ 1265.222697][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1265.222697][ T72] net_rx_action+0x495/0xbe0 [ 1265.222697][ T72] __do_softirq+0x1b5/0x7f6 [ 1265.222697][ T72] [ 1265.224344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1265.224344][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.224344][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.224344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.224344][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1265.224344][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1265.224344][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1265.224344][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1265.224344][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1265.224344][ T72] addrconf_dad_begin+0x310/0x670 [ 1265.224344][ T72] addrconf_dad_work+0x10b/0xab0 [ 1265.224344][ T72] process_one_work+0x84d/0x18a0 [ 1265.224344][ T72] worker_thread+0x587/0xd30 [ 1265.224344][ T72] kthread+0x28a/0x350 [ 1265.224344][ T72] ret_from_fork+0x31/0x70 [ 1265.224344][ T72] ret_from_fork_asm+0x1a/0x30 [ 1265.224344][ T72] [ 1265.226626][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1265.226626][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.226626][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.226626][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.226626][ T72] ip6_route_add+0x1c/0x140 [ 1265.226626][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1265.226626][ T72] inet6_addr_add+0x4f8/0xa40 [ 1265.226626][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.226626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.226626][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.226626][ T72] netlink_unicast+0x449/0x710 [ 1265.226626][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.226626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.226626][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.226626][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.226626][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.226626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.226626][ T72] [ 1265.228624][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1265.228624][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.228624][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.228624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.228624][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1265.228624][ T72] ipv6_add_addr+0x411/0x2000 [ 1265.228624][ T72] inet6_addr_add+0x30e/0xa40 [ 1265.228624][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.228624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.228624][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.228624][ T72] netlink_unicast+0x449/0x710 [ 1265.228624][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.228624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.228624][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.228624][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.228624][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.228624][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.228624][ T72] [ 1265.230623][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1265.230623][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.230623][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.230623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.230623][ T72] ip6_route_add+0x1c/0x140 [ 1265.230623][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1265.230623][ T72] addrconf_add_dev+0xe2/0x170 [ 1265.230623][ T72] inet6_addr_add+0x12f/0xa40 [ 1265.230623][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.230623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.230623][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.230623][ T72] netlink_unicast+0x449/0x710 [ 1265.230623][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.230623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.230623][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.230623][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.230623][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.230623][ T72] [ 1265.232611][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1265.232611][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1265.232611][ T72] ipv6_find_idev+0x102/0x170 [ 1265.232611][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.232611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.232611][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.232611][ T72] netlink_unicast+0x449/0x710 [ 1265.232611][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.232611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.232611][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.232611][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.232611][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.232611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.232611][ T72] [ 1265.234153][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1265.234153][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1265.234153][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1265.234153][ T72] ipv6_find_idev+0x102/0x170 [ 1265.234153][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.234153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.234153][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.234153][ T72] netlink_unicast+0x449/0x710 [ 1265.234153][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.234153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.234153][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.234153][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.234153][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.234153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.234153][ T72] [ 1265.235979][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1265.236250][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1265.236250][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1265.236250][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1265.236250][ T72] fib6_nh_init+0xa22/0x1580 [ 1265.236250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.236250][ T72] ip6_route_add+0x1c/0x140 [ 1265.236250][ T72] inet6_rtm_newroute+0x104/0x110 [ 1265.236250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.236250][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.236250][ T72] netlink_unicast+0x449/0x710 [ 1265.236250][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.236250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.236250][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.236250][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.236250][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.236250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.236250][ T72] [ 1265.238441][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1265.238441][ T72] dst_init+0x84/0x4a0 [ 1265.238441][ T72] dst_alloc+0x97/0x150 [ 1265.238441][ T72] ip6_dst_alloc+0x23/0x90 [ 1265.238441][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1265.238441][ T72] ip6_pol_route+0x56f/0x840 [ 1265.238441][ T72] fib6_rule_lookup+0x456/0x630 [ 1265.238441][ T72] ip6_route_input+0x59c/0xa50 [ 1265.238441][ T72] ipv6_rcv+0x397/0x810 [ 1265.238441][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1265.238441][ T72] process_backlog+0x101/0x620 [ 1265.238441][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1265.238441][ T72] net_rx_action+0x495/0xbe0 [ 1265.238441][ T72] __do_softirq+0x1b5/0x7f6 [ 1265.238441][ T72] [ 1265.240259][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1265.240259][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.240259][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.240259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.240259][ T72] ip6_route_add+0x1c/0x140 [ 1265.240259][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1265.240259][ T72] inet6_addr_add+0x4f8/0xa40 [ 1265.240259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.240259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.240259][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.240259][ T72] netlink_unicast+0x449/0x710 [ 1265.240259][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.240259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.240259][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.240259][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.240259][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.240259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.240259][ T72] [ 1265.242514][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1265.242514][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.242514][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.242514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.242514][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1265.242514][ T72] ipv6_add_addr+0x411/0x2000 [ 1265.242514][ T72] inet6_addr_add+0x30e/0xa40 [ 1265.242514][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.242514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.242514][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.242514][ T72] netlink_unicast+0x449/0x710 [ 1265.242514][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.242514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.242514][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.242514][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.242514][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.242514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.242514][ T72] [ 1265.244702][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1265.244702][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.244702][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.244702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.244702][ T72] ip6_route_add+0x1c/0x140 [ 1265.244702][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1265.244702][ T72] addrconf_add_dev+0xe2/0x170 [ 1265.244702][ T72] inet6_addr_add+0x12f/0xa40 [ 1265.244702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.244702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.244702][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.244702][ T72] netlink_unicast+0x449/0x710 [ 1265.244702][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.244702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.244702][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.244702][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.244702][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.244702][ T72] [ 1265.246977][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1265.246977][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1265.246977][ T72] ipv6_find_idev+0x102/0x170 [ 1265.246977][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.246977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.246977][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.246977][ T72] netlink_unicast+0x449/0x710 [ 1265.246977][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.246977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.246977][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.246977][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.246977][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.246977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.246977][ T72] [ 1265.248705][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1265.248705][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1265.248705][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1265.248705][ T72] ipv6_find_idev+0x102/0x170 [ 1265.248705][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.248705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.248705][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.248705][ T72] netlink_unicast+0x449/0x710 [ 1265.248705][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.248705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.248705][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.248705][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.248705][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.248705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.248705][ T72] [ 1265.250654][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1265.250999][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1265.250999][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.250999][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.250999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.250999][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1265.250999][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1265.250999][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1265.250999][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1265.250999][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1265.250999][ T72] addrconf_dad_begin+0x310/0x670 [ 1265.250999][ T72] addrconf_dad_work+0x10b/0xab0 [ 1265.250999][ T72] process_one_work+0x84d/0x18a0 [ 1265.250999][ T72] worker_thread+0x587/0xd30 [ 1265.250999][ T72] kthread+0x28a/0x350 [ 1265.250999][ T72] ret_from_fork+0x31/0x70 [ 1265.250999][ T72] ret_from_fork_asm+0x1a/0x30 [ 1265.250999][ T72] [ 1265.253105][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1265.253105][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.253105][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.253105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.253105][ T72] ip6_route_add+0x1c/0x140 [ 1265.253105][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1265.253105][ T72] inet6_addr_add+0x4f8/0xa40 [ 1265.253105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.253105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.253105][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.253105][ T72] netlink_unicast+0x449/0x710 [ 1265.253105][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.253105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.253105][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.253105][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.253105][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.253105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.253105][ T72] [ 1265.255348][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1265.255348][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.255348][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.255348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.255348][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1265.255348][ T72] ipv6_add_addr+0x411/0x2000 [ 1265.255348][ T72] inet6_addr_add+0x30e/0xa40 [ 1265.255348][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.255348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.255348][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.255348][ T72] netlink_unicast+0x449/0x710 [ 1265.255348][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.255348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.255348][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.255348][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.255348][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.255348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.255348][ T72] [ 1265.257675][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1265.257675][ T72] netdev_get_by_index+0x5e/0x80 [ 1265.257675][ T72] fib6_nh_init+0x3d8/0x1580 [ 1265.257675][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1265.257675][ T72] ip6_route_add+0x1c/0x140 [ 1265.257675][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1265.257675][ T72] addrconf_add_dev+0xe2/0x170 [ 1265.257675][ T72] inet6_addr_add+0x12f/0xa40 [ 1265.257675][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.257675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.257675][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.257675][ T72] netlink_unicast+0x449/0x710 [ 1265.257675][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.257675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.257675][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.257675][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.257675][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.257675][ T72] [ 1265.259825][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1265.259825][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1265.259825][ T72] ipv6_find_idev+0x102/0x170 [ 1265.259825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.259825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.259825][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.259825][ T72] netlink_unicast+0x449/0x710 [ 1265.259825][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.259825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.259825][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.259825][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.259825][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.259825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.259825][ T72] [ 1265.261553][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1265.261553][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1265.261553][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1265.261553][ T72] ipv6_find_idev+0x102/0x170 [ 1265.261553][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.261553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.261553][ T72] netlink_rcv_skb+0x130/0x360 [ 1265.261553][ T72] netlink_unicast+0x449/0x710 [ 1265.261553][ T72] netlink_sendmsg+0x723/0xbe0 [ 1265.261553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1265.261553][ T72] ___sys_sendmsg+0xee/0x170 [ 1265.261553][ T72] __sys_sendmsg+0xcd/0x170 [ 1265.261553][ T72] do_syscall_64+0xc6/0x1e0 [ 1265.261553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.261553][ T72] [ 1275.504945][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1275.505448][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1275.505448][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1275.505448][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1275.505448][ T72] fib6_nh_init+0xa22/0x1580 [ 1275.505448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.505448][ T72] ip6_route_add+0x1c/0x140 [ 1275.505448][ T72] inet6_rtm_newroute+0x104/0x110 [ 1275.505448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.505448][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.505448][ T72] netlink_unicast+0x449/0x710 [ 1275.505448][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.505448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.505448][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.505448][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.505448][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.505448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.505448][ T72] [ 1275.507552][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1275.507552][ T72] dst_init+0x84/0x4a0 [ 1275.507552][ T72] dst_alloc+0x97/0x150 [ 1275.507552][ T72] ip6_dst_alloc+0x23/0x90 [ 1275.507552][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1275.507552][ T72] ip6_pol_route+0x56f/0x840 [ 1275.507552][ T72] fib6_rule_lookup+0x456/0x630 [ 1275.507552][ T72] ip6_route_input+0x59c/0xa50 [ 1275.507552][ T72] ipv6_rcv+0x397/0x810 [ 1275.507552][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1275.507552][ T72] process_backlog+0x101/0x620 [ 1275.507552][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1275.507552][ T72] net_rx_action+0x495/0xbe0 [ 1275.507552][ T72] __do_softirq+0x1b5/0x7f6 [ 1275.507552][ T72] [ 1275.509376][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1275.509376][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.509376][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.509376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.509376][ T72] ip6_route_add+0x1c/0x140 [ 1275.509376][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1275.509376][ T72] inet6_addr_add+0x4f8/0xa40 [ 1275.509376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.509376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.509376][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.509376][ T72] netlink_unicast+0x449/0x710 [ 1275.509376][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.509376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.509376][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.509376][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.509376][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.509376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.509376][ T72] [ 1275.511607][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1275.511607][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.511607][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.511607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.511607][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1275.511607][ T72] ipv6_add_addr+0x411/0x2000 [ 1275.511607][ T72] inet6_addr_add+0x30e/0xa40 [ 1275.511607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.511607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.511607][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.511607][ T72] netlink_unicast+0x449/0x710 [ 1275.511607][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.511607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.511607][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.511607][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.511607][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.511607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.511607][ T72] [ 1275.513838][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1275.513838][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.513838][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.513838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.513838][ T72] ip6_route_add+0x1c/0x140 [ 1275.513838][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1275.513838][ T72] addrconf_add_dev+0xe2/0x170 [ 1275.513838][ T72] inet6_addr_add+0x12f/0xa40 [ 1275.513838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.513838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.513838][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.513838][ T72] netlink_unicast+0x449/0x710 [ 1275.513838][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.513838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.513838][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.513838][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.513838][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.513838][ T72] [ 1275.516013][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1275.516013][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1275.516013][ T72] ipv6_find_idev+0x102/0x170 [ 1275.516013][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.516013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.516013][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.516013][ T72] netlink_unicast+0x449/0x710 [ 1275.516013][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.516013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.516013][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.516013][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.516013][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.516013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.516013][ T72] [ 1275.517718][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1275.517718][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1275.517718][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1275.517718][ T72] ipv6_find_idev+0x102/0x170 [ 1275.517718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.517718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.517718][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.517718][ T72] netlink_unicast+0x449/0x710 [ 1275.517718][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.517718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.517718][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.517718][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.517718][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.517718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.517718][ T72] [ 1275.519600][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1275.519913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1275.519913][ T72] dst_init+0x84/0x4a0 [ 1275.519913][ T72] dst_alloc+0x97/0x150 [ 1275.519913][ T72] ip6_dst_alloc+0x23/0x90 [ 1275.519913][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1275.519913][ T72] ip6_pol_route+0x56f/0x840 [ 1275.519913][ T72] fib6_rule_lookup+0x456/0x630 [ 1275.519913][ T72] ip6_route_input+0x59c/0xa50 [ 1275.519913][ T72] ipv6_rcv+0x397/0x810 [ 1275.519913][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1275.519913][ T72] process_backlog+0x101/0x620 [ 1275.519913][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1275.519913][ T72] net_rx_action+0x495/0xbe0 [ 1275.519913][ T72] __do_softirq+0x1b5/0x7f6 [ 1275.519913][ T72] [ 1275.521743][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1275.521743][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.521743][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.521743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.521743][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1275.521743][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1275.521743][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1275.521743][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1275.521743][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1275.521743][ T72] addrconf_dad_begin+0x310/0x670 [ 1275.521743][ T72] addrconf_dad_work+0x10b/0xab0 [ 1275.521743][ T72] process_one_work+0x84d/0x18a0 [ 1275.521743][ T72] worker_thread+0x587/0xd30 [ 1275.521743][ T72] kthread+0x28a/0x350 [ 1275.521743][ T72] ret_from_fork+0x31/0x70 [ 1275.521743][ T72] ret_from_fork_asm+0x1a/0x30 [ 1275.521743][ T72] [ 1275.523857][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1275.523857][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.523857][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.523857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.523857][ T72] ip6_route_add+0x1c/0x140 [ 1275.523857][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1275.523857][ T72] inet6_addr_add+0x4f8/0xa40 [ 1275.523857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.523857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.523857][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.523857][ T72] netlink_unicast+0x449/0x710 [ 1275.523857][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.523857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.523857][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.523857][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.523857][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.523857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.523857][ T72] [ 1275.526078][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1275.526078][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.526078][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.526078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.526078][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1275.526078][ T72] ipv6_add_addr+0x411/0x2000 [ 1275.526078][ T72] inet6_addr_add+0x30e/0xa40 [ 1275.526078][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.526078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.526078][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.526078][ T72] netlink_unicast+0x449/0x710 [ 1275.526078][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.526078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.526078][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.526078][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.526078][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.526078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.526078][ T72] [ 1275.528248][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1275.528248][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.528248][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.528248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.528248][ T72] ip6_route_add+0x1c/0x140 [ 1275.528248][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1275.528248][ T72] addrconf_add_dev+0xe2/0x170 [ 1275.528248][ T72] inet6_addr_add+0x12f/0xa40 [ 1275.528248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.528248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.528248][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.528248][ T72] netlink_unicast+0x449/0x710 [ 1275.528248][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.528248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.528248][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.528248][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.528248][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.528248][ T72] [ 1275.530222][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1275.530222][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1275.530222][ T72] ipv6_find_idev+0x102/0x170 [ 1275.530222][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.530222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.530222][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.530222][ T72] netlink_unicast+0x449/0x710 [ 1275.530222][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.530222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.530222][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.530222][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.530222][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.530222][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.530222][ T72] [ 1275.531769][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1275.531769][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1275.531769][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1275.531769][ T72] ipv6_find_idev+0x102/0x170 [ 1275.531769][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.531769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.531769][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.531769][ T72] netlink_unicast+0x449/0x710 [ 1275.531769][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.531769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.531769][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.531769][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.531769][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.531769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.531769][ T72] [ 1275.533600][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1275.533888][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1275.533888][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1275.533888][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1275.533888][ T72] fib6_nh_init+0xa22/0x1580 [ 1275.533888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.533888][ T72] ip6_route_add+0x1c/0x140 [ 1275.533888][ T72] inet6_rtm_newroute+0x104/0x110 [ 1275.533888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.533888][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.533888][ T72] netlink_unicast+0x449/0x710 [ 1275.533888][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.533888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.533888][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.533888][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.533888][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.533888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.533888][ T72] [ 1275.536084][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1275.536084][ T72] dst_init+0x84/0x4a0 [ 1275.536084][ T72] dst_alloc+0x97/0x150 [ 1275.536084][ T72] ip6_dst_alloc+0x23/0x90 [ 1275.536084][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1275.536084][ T72] ip6_pol_route+0x56f/0x840 [ 1275.536084][ T72] fib6_rule_lookup+0x456/0x630 [ 1275.536084][ T72] ip6_route_input+0x59c/0xa50 [ 1275.536084][ T72] ipv6_rcv+0x397/0x810 [ 1275.536084][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1275.536084][ T72] process_backlog+0x101/0x620 [ 1275.536084][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1275.536084][ T72] net_rx_action+0x495/0xbe0 [ 1275.536084][ T72] __do_softirq+0x1b5/0x7f6 [ 1275.536084][ T72] [ 1275.537905][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1275.537905][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.537905][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.537905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.537905][ T72] ip6_route_add+0x1c/0x140 [ 1275.537905][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1275.537905][ T72] inet6_addr_add+0x4f8/0xa40 [ 1275.537905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.537905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.537905][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.537905][ T72] netlink_unicast+0x449/0x710 [ 1275.537905][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.537905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.537905][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.537905][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.537905][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.537905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.537905][ T72] [ 1275.540152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1275.540152][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.540152][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.540152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.540152][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1275.540152][ T72] ipv6_add_addr+0x411/0x2000 [ 1275.540152][ T72] inet6_addr_add+0x30e/0xa40 [ 1275.540152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.540152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.540152][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.540152][ T72] netlink_unicast+0x449/0x710 [ 1275.540152][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.540152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.540152][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.540152][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.540152][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.540152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.540152][ T72] [ 1275.542450][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1275.542450][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.542450][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.542450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.542450][ T72] ip6_route_add+0x1c/0x140 [ 1275.542450][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1275.542450][ T72] addrconf_add_dev+0xe2/0x170 [ 1275.542450][ T72] inet6_addr_add+0x12f/0xa40 [ 1275.542450][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.542450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.542450][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.542450][ T72] netlink_unicast+0x449/0x710 [ 1275.542450][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.542450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.542450][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.542450][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.542450][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.542450][ T72] [ 1275.544731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1275.544731][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1275.544731][ T72] ipv6_find_idev+0x102/0x170 [ 1275.544731][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.544731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.544731][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.544731][ T72] netlink_unicast+0x449/0x710 [ 1275.544731][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.544731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.544731][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.544731][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.544731][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.544731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.544731][ T72] [ 1275.546449][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1275.546449][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1275.546449][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1275.546449][ T72] ipv6_find_idev+0x102/0x170 [ 1275.546449][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.546449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.546449][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.546449][ T72] netlink_unicast+0x449/0x710 [ 1275.546449][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.546449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.546449][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.546449][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.546449][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.546449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.546449][ T72] [ 1275.548376][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1275.548648][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1275.548648][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.548648][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.548648][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.548648][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1275.548648][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1275.548648][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1275.548648][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1275.548648][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1275.548648][ T72] addrconf_dad_begin+0x310/0x670 [ 1275.548648][ T72] addrconf_dad_work+0x10b/0xab0 [ 1275.548648][ T72] process_one_work+0x84d/0x18a0 [ 1275.548648][ T72] worker_thread+0x587/0xd30 [ 1275.548648][ T72] kthread+0x28a/0x350 [ 1275.548648][ T72] ret_from_fork+0x31/0x70 [ 1275.548648][ T72] ret_from_fork_asm+0x1a/0x30 [ 1275.548648][ T72] [ 1275.550801][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1275.550801][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.550801][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.550801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.550801][ T72] ip6_route_add+0x1c/0x140 [ 1275.550801][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1275.550801][ T72] inet6_addr_add+0x4f8/0xa40 [ 1275.550801][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.550801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.550801][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.550801][ T72] netlink_unicast+0x449/0x710 [ 1275.550801][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.550801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.550801][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.550801][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.550801][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.550801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.550801][ T72] [ 1275.552999][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1275.552999][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.552999][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.552999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.552999][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1275.552999][ T72] ipv6_add_addr+0x411/0x2000 [ 1275.552999][ T72] inet6_addr_add+0x30e/0xa40 [ 1275.552999][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.552999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.552999][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.552999][ T72] netlink_unicast+0x449/0x710 [ 1275.552999][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.552999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.552999][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.552999][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.552999][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.552999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.552999][ T72] [ 1275.555306][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1275.555306][ T72] netdev_get_by_index+0x5e/0x80 [ 1275.555306][ T72] fib6_nh_init+0x3d8/0x1580 [ 1275.555306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1275.555306][ T72] ip6_route_add+0x1c/0x140 [ 1275.555306][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1275.555306][ T72] addrconf_add_dev+0xe2/0x170 [ 1275.555306][ T72] inet6_addr_add+0x12f/0xa40 [ 1275.555306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.555306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.555306][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.555306][ T72] netlink_unicast+0x449/0x710 [ 1275.555306][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.555306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.555306][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.555306][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.555306][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.555306][ T72] [ 1275.557510][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1275.557510][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1275.557510][ T72] ipv6_find_idev+0x102/0x170 [ 1275.557510][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.557510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.557510][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.557510][ T72] netlink_unicast+0x449/0x710 [ 1275.557510][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.557510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.557510][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.557510][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.557510][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.557510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.557510][ T72] [ 1275.559229][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1275.559229][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1275.559229][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1275.559229][ T72] ipv6_find_idev+0x102/0x170 [ 1275.559229][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.559229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.559229][ T72] netlink_rcv_skb+0x130/0x360 [ 1275.559229][ T72] netlink_unicast+0x449/0x710 [ 1275.559229][ T72] netlink_sendmsg+0x723/0xbe0 [ 1275.559229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1275.559229][ T72] ___sys_sendmsg+0xee/0x170 [ 1275.559229][ T72] __sys_sendmsg+0xcd/0x170 [ 1275.559229][ T72] do_syscall_64+0xc6/0x1e0 [ 1275.559229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.559229][ T72] [ 1285.680953][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1285.681468][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1285.681468][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1285.681468][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1285.681468][ T72] fib6_nh_init+0xa22/0x1580 [ 1285.681468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.681468][ T72] ip6_route_add+0x1c/0x140 [ 1285.681468][ T72] inet6_rtm_newroute+0x104/0x110 [ 1285.681468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.681468][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.681468][ T72] netlink_unicast+0x449/0x710 [ 1285.681468][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.681468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.681468][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.681468][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.681468][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.681468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.681468][ T72] [ 1285.683818][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1285.683818][ T72] dst_init+0x84/0x4a0 [ 1285.683818][ T72] dst_alloc+0x97/0x150 [ 1285.683818][ T72] ip6_dst_alloc+0x23/0x90 [ 1285.683818][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1285.683818][ T72] ip6_pol_route+0x56f/0x840 [ 1285.683818][ T72] fib6_rule_lookup+0x456/0x630 [ 1285.683818][ T72] ip6_route_input+0x59c/0xa50 [ 1285.683818][ T72] ipv6_rcv+0x397/0x810 [ 1285.683818][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1285.683818][ T72] process_backlog+0x101/0x620 [ 1285.683818][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1285.683818][ T72] net_rx_action+0x495/0xbe0 [ 1285.683818][ T72] __do_softirq+0x1b5/0x7f6 [ 1285.683818][ T72] [ 1285.685828][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1285.685828][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.685828][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.685828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.685828][ T72] ip6_route_add+0x1c/0x140 [ 1285.685828][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1285.685828][ T72] inet6_addr_add+0x4f8/0xa40 [ 1285.685828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.685828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.685828][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.685828][ T72] netlink_unicast+0x449/0x710 [ 1285.685828][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.685828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.685828][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.685828][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.685828][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.685828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.685828][ T72] [ 1285.688273][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1285.688273][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.688273][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.688273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.688273][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1285.688273][ T72] ipv6_add_addr+0x411/0x2000 [ 1285.688273][ T72] inet6_addr_add+0x30e/0xa40 [ 1285.688273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.688273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.688273][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.688273][ T72] netlink_unicast+0x449/0x710 [ 1285.688273][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.688273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.688273][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.688273][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.688273][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.688273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.688273][ T72] [ 1285.690714][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1285.690714][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.690714][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.690714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.690714][ T72] ip6_route_add+0x1c/0x140 [ 1285.690714][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1285.690714][ T72] addrconf_add_dev+0xe2/0x170 [ 1285.690714][ T72] inet6_addr_add+0x12f/0xa40 [ 1285.690714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.690714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.690714][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.690714][ T72] netlink_unicast+0x449/0x710 [ 1285.690714][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.690714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.690714][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.690714][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.690714][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.690714][ T72] [ 1285.693122][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1285.693122][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1285.693122][ T72] ipv6_find_idev+0x102/0x170 [ 1285.693122][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.693122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.693122][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.693122][ T72] netlink_unicast+0x449/0x710 [ 1285.693122][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.693122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.693122][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.693122][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.693122][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.693122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.693122][ T72] [ 1285.694676][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1285.694676][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1285.694676][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1285.694676][ T72] ipv6_find_idev+0x102/0x170 [ 1285.694676][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.694676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.694676][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.694676][ T72] netlink_unicast+0x449/0x710 [ 1285.694676][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.694676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.694676][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.694676][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.694676][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.694676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.694676][ T72] [ 1285.696364][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1285.696637][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1285.696637][ T72] dst_init+0x84/0x4a0 [ 1285.696637][ T72] dst_alloc+0x97/0x150 [ 1285.696637][ T72] ip6_dst_alloc+0x23/0x90 [ 1285.696637][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1285.696637][ T72] ip6_pol_route+0x56f/0x840 [ 1285.696637][ T72] fib6_rule_lookup+0x456/0x630 [ 1285.696637][ T72] ip6_route_input+0x59c/0xa50 [ 1285.696637][ T72] ipv6_rcv+0x397/0x810 [ 1285.696637][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1285.696637][ T72] process_backlog+0x101/0x620 [ 1285.696637][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1285.696637][ T72] net_rx_action+0x495/0xbe0 [ 1285.696637][ T72] __do_softirq+0x1b5/0x7f6 [ 1285.696637][ T72] [ 1285.698263][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1285.698263][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.698263][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.698263][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.698263][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1285.698263][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1285.698263][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1285.698263][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1285.698263][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1285.698263][ T72] addrconf_dad_begin+0x310/0x670 [ 1285.698263][ T72] addrconf_dad_work+0x10b/0xab0 [ 1285.698263][ T72] process_one_work+0x84d/0x18a0 [ 1285.698263][ T72] worker_thread+0x587/0xd30 [ 1285.698263][ T72] kthread+0x28a/0x350 [ 1285.698263][ T72] ret_from_fork+0x31/0x70 [ 1285.698263][ T72] ret_from_fork_asm+0x1a/0x30 [ 1285.698263][ T72] [ 1285.700157][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1285.700157][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.700157][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.700157][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.700157][ T72] ip6_route_add+0x1c/0x140 [ 1285.700157][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1285.700157][ T72] inet6_addr_add+0x4f8/0xa40 [ 1285.700157][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.700157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.700157][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.700157][ T72] netlink_unicast+0x449/0x710 [ 1285.700157][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.700157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.700157][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.700157][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.700157][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.700157][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.700157][ T72] [ 1285.702134][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1285.702134][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.702134][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.702134][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.702134][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1285.702134][ T72] ipv6_add_addr+0x411/0x2000 [ 1285.702134][ T72] inet6_addr_add+0x30e/0xa40 [ 1285.702134][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.702134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.702134][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.702134][ T72] netlink_unicast+0x449/0x710 [ 1285.702134][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.702134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.702134][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.702134][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.702134][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.702134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.702134][ T72] [ 1285.704126][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1285.704126][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.704126][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.704126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.704126][ T72] ip6_route_add+0x1c/0x140 [ 1285.704126][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1285.704126][ T72] addrconf_add_dev+0xe2/0x170 [ 1285.704126][ T72] inet6_addr_add+0x12f/0xa40 [ 1285.704126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.704126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.704126][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.704126][ T72] netlink_unicast+0x449/0x710 [ 1285.704126][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.704126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.704126][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.704126][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.704126][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.704126][ T72] [ 1285.706066][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1285.706066][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1285.706066][ T72] ipv6_find_idev+0x102/0x170 [ 1285.706066][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.706066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.706066][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.706066][ T72] netlink_unicast+0x449/0x710 [ 1285.706066][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.706066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.706066][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.706066][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.706066][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.706066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.706066][ T72] [ 1285.707589][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1285.707589][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1285.707589][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1285.707589][ T72] ipv6_find_idev+0x102/0x170 [ 1285.707589][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.707589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.707589][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.707589][ T72] netlink_unicast+0x449/0x710 [ 1285.707589][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.707589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.707589][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.707589][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.707589][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.707589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.707589][ T72] [ 1285.709319][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1285.709667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1285.709667][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1285.709667][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1285.709667][ T72] fib6_nh_init+0xa22/0x1580 [ 1285.709667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.709667][ T72] ip6_route_add+0x1c/0x140 [ 1285.709667][ T72] inet6_rtm_newroute+0x104/0x110 [ 1285.709667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.709667][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.709667][ T72] netlink_unicast+0x449/0x710 [ 1285.709667][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.709667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.709667][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.709667][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.709667][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.709667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.709667][ T72] [ 1285.711906][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1285.711906][ T72] dst_init+0x84/0x4a0 [ 1285.711906][ T72] dst_alloc+0x97/0x150 [ 1285.711906][ T72] ip6_dst_alloc+0x23/0x90 [ 1285.711906][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1285.711906][ T72] ip6_pol_route+0x56f/0x840 [ 1285.711906][ T72] fib6_rule_lookup+0x456/0x630 [ 1285.711906][ T72] ip6_route_input+0x59c/0xa50 [ 1285.711906][ T72] ipv6_rcv+0x397/0x810 [ 1285.711906][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1285.711906][ T72] process_backlog+0x101/0x620 [ 1285.711906][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1285.711906][ T72] net_rx_action+0x495/0xbe0 [ 1285.711906][ T72] __do_softirq+0x1b5/0x7f6 [ 1285.711906][ T72] [ 1285.714150][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1285.714150][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.714150][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.714150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.714150][ T72] ip6_route_add+0x1c/0x140 [ 1285.714150][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1285.714150][ T72] inet6_addr_add+0x4f8/0xa40 [ 1285.714150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.714150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.714150][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.714150][ T72] netlink_unicast+0x449/0x710 [ 1285.714150][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.714150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.714150][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.714150][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.714150][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.714150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.714150][ T72] [ 1285.716766][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1285.716766][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.716766][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.716766][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.716766][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1285.716766][ T72] ipv6_add_addr+0x411/0x2000 [ 1285.716766][ T72] inet6_addr_add+0x30e/0xa40 [ 1285.716766][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.716766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.716766][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.716766][ T72] netlink_unicast+0x449/0x710 [ 1285.716766][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.716766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.716766][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.716766][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.716766][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.716766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.716766][ T72] [ 1285.719443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1285.719443][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.719443][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.719443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.719443][ T72] ip6_route_add+0x1c/0x140 [ 1285.719443][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1285.719443][ T72] addrconf_add_dev+0xe2/0x170 [ 1285.719443][ T72] inet6_addr_add+0x12f/0xa40 [ 1285.719443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.719443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.719443][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.719443][ T72] netlink_unicast+0x449/0x710 [ 1285.719443][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.719443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.719443][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.719443][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.719443][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.719443][ T72] [ 1285.722152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1285.722152][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1285.722152][ T72] ipv6_find_idev+0x102/0x170 [ 1285.722152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.722152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.722152][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.722152][ T72] netlink_unicast+0x449/0x710 [ 1285.722152][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.722152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.722152][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.722152][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.722152][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.722152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.722152][ T72] [ 1285.724215][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1285.724215][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1285.724215][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1285.724215][ T72] ipv6_find_idev+0x102/0x170 [ 1285.724215][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.724215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.724215][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.724215][ T72] netlink_unicast+0x449/0x710 [ 1285.724215][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.724215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.724215][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.724215][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.724215][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.724215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.724215][ T72] [ 1285.726450][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1285.726846][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1285.726846][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.726846][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.726846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.726846][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1285.726846][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1285.726846][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1285.726846][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1285.726846][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1285.726846][ T72] addrconf_dad_begin+0x310/0x670 [ 1285.726846][ T72] addrconf_dad_work+0x10b/0xab0 [ 1285.726846][ T72] process_one_work+0x84d/0x18a0 [ 1285.726846][ T72] worker_thread+0x587/0xd30 [ 1285.726846][ T72] kthread+0x28a/0x350 [ 1285.726846][ T72] ret_from_fork+0x31/0x70 [ 1285.726846][ T72] ret_from_fork_asm+0x1a/0x30 [ 1285.726846][ T72] [ 1285.729896][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1285.729896][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.729896][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.729896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.729896][ T72] ip6_route_add+0x1c/0x140 [ 1285.729896][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1285.729896][ T72] inet6_addr_add+0x4f8/0xa40 [ 1285.729896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.729896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.729896][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.729896][ T72] netlink_unicast+0x449/0x710 [ 1285.729896][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.729896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.729896][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.729896][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.729896][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.729896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.729896][ T72] [ 1285.732599][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1285.732599][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.732599][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.732599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.732599][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1285.732599][ T72] ipv6_add_addr+0x411/0x2000 [ 1285.732599][ T72] inet6_addr_add+0x30e/0xa40 [ 1285.732599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.732599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.732599][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.732599][ T72] netlink_unicast+0x449/0x710 [ 1285.732599][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.732599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.732599][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.732599][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.732599][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.732599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.732599][ T72] [ 1285.735351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1285.735351][ T72] netdev_get_by_index+0x5e/0x80 [ 1285.735351][ T72] fib6_nh_init+0x3d8/0x1580 [ 1285.735351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1285.735351][ T72] ip6_route_add+0x1c/0x140 [ 1285.735351][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1285.735351][ T72] addrconf_add_dev+0xe2/0x170 [ 1285.735351][ T72] inet6_addr_add+0x12f/0xa40 [ 1285.735351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.735351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.735351][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.735351][ T72] netlink_unicast+0x449/0x710 [ 1285.735351][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.735351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.735351][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.735351][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.735351][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.735351][ T72] [ 1285.737990][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1285.737990][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1285.737990][ T72] ipv6_find_idev+0x102/0x170 [ 1285.737990][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.737990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.737990][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.737990][ T72] netlink_unicast+0x449/0x710 [ 1285.737990][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.737990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.737990][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.737990][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.737990][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.737990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.737990][ T72] [ 1285.740050][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1285.740050][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1285.740050][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1285.740050][ T72] ipv6_find_idev+0x102/0x170 [ 1285.740050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.740050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.740050][ T72] netlink_rcv_skb+0x130/0x360 [ 1285.740050][ T72] netlink_unicast+0x449/0x710 [ 1285.740050][ T72] netlink_sendmsg+0x723/0xbe0 [ 1285.740050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1285.740050][ T72] ___sys_sendmsg+0xee/0x170 [ 1285.740050][ T72] __sys_sendmsg+0xcd/0x170 [ 1285.740050][ T72] do_syscall_64+0xc6/0x1e0 [ 1285.740050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.740050][ T72] [ 1295.776887][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1295.777382][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1295.777382][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1295.777382][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1295.777382][ T72] fib6_nh_init+0xa22/0x1580 [ 1295.777382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.777382][ T72] ip6_route_add+0x1c/0x140 [ 1295.777382][ T72] inet6_rtm_newroute+0x104/0x110 [ 1295.777382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.777382][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.777382][ T72] netlink_unicast+0x449/0x710 [ 1295.777382][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.777382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.777382][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.777382][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.777382][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.777382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.777382][ T72] [ 1295.779304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1295.779304][ T72] dst_init+0x84/0x4a0 [ 1295.779304][ T72] dst_alloc+0x97/0x150 [ 1295.779304][ T72] ip6_dst_alloc+0x23/0x90 [ 1295.779304][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1295.779304][ T72] ip6_pol_route+0x56f/0x840 [ 1295.779304][ T72] fib6_rule_lookup+0x456/0x630 [ 1295.779304][ T72] ip6_route_input+0x59c/0xa50 [ 1295.779304][ T72] ipv6_rcv+0x397/0x810 [ 1295.779304][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1295.779304][ T72] process_backlog+0x101/0x620 [ 1295.779304][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1295.779304][ T72] net_rx_action+0x495/0xbe0 [ 1295.779304][ T72] __do_softirq+0x1b5/0x7f6 [ 1295.779304][ T72] [ 1295.781386][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1295.781386][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.781386][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.781386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.781386][ T72] ip6_route_add+0x1c/0x140 [ 1295.781386][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1295.781386][ T72] inet6_addr_add+0x4f8/0xa40 [ 1295.781386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.781386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.781386][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.781386][ T72] netlink_unicast+0x449/0x710 [ 1295.781386][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.781386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.781386][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.781386][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.781386][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.781386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.781386][ T72] [ 1295.783761][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1295.783761][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.783761][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.783761][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.783761][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1295.783761][ T72] ipv6_add_addr+0x411/0x2000 [ 1295.783761][ T72] inet6_addr_add+0x30e/0xa40 [ 1295.783761][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.783761][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.783761][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.783761][ T72] netlink_unicast+0x449/0x710 [ 1295.783761][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.783761][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.783761][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.783761][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.783761][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.783761][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.783761][ T72] [ 1295.786970][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1295.786970][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.786970][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.786970][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.786970][ T72] ip6_route_add+0x1c/0x140 [ 1295.786970][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1295.786970][ T72] addrconf_add_dev+0xe2/0x170 [ 1295.786970][ T72] inet6_addr_add+0x12f/0xa40 [ 1295.786970][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.786970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.786970][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.786970][ T72] netlink_unicast+0x449/0x710 [ 1295.786970][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.786970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.786970][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.786970][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.786970][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.786970][ T72] [ 1295.789018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1295.789018][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1295.789018][ T72] ipv6_find_idev+0x102/0x170 [ 1295.789018][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.789018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.789018][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.789018][ T72] netlink_unicast+0x449/0x710 [ 1295.789018][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.789018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.789018][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.789018][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.789018][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.789018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.789018][ T72] [ 1295.790556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1295.790556][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1295.790556][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1295.790556][ T72] ipv6_find_idev+0x102/0x170 [ 1295.790556][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.790556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.790556][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.790556][ T72] netlink_unicast+0x449/0x710 [ 1295.790556][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.790556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.790556][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.790556][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.790556][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.790556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.790556][ T72] [ 1295.792266][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1295.792538][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1295.792538][ T72] dst_init+0x84/0x4a0 [ 1295.792538][ T72] dst_alloc+0x97/0x150 [ 1295.792538][ T72] ip6_dst_alloc+0x23/0x90 [ 1295.792538][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1295.792538][ T72] ip6_pol_route+0x56f/0x840 [ 1295.792538][ T72] fib6_rule_lookup+0x456/0x630 [ 1295.792538][ T72] ip6_route_input+0x59c/0xa50 [ 1295.792538][ T72] ipv6_rcv+0x397/0x810 [ 1295.792538][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1295.792538][ T72] process_backlog+0x101/0x620 [ 1295.792538][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1295.792538][ T72] net_rx_action+0x495/0xbe0 [ 1295.792538][ T72] __do_softirq+0x1b5/0x7f6 [ 1295.792538][ T72] [ 1295.794192][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1295.794192][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.794192][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.794192][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.794192][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1295.794192][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1295.794192][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1295.794192][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1295.794192][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1295.794192][ T72] addrconf_dad_begin+0x310/0x670 [ 1295.794192][ T72] addrconf_dad_work+0x10b/0xab0 [ 1295.794192][ T72] process_one_work+0x84d/0x18a0 [ 1295.794192][ T72] worker_thread+0x587/0xd30 [ 1295.794192][ T72] kthread+0x28a/0x350 [ 1295.794192][ T72] ret_from_fork+0x31/0x70 [ 1295.794192][ T72] ret_from_fork_asm+0x1a/0x30 [ 1295.794192][ T72] [ 1295.796122][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1295.796122][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.796122][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.796122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.796122][ T72] ip6_route_add+0x1c/0x140 [ 1295.796122][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1295.796122][ T72] inet6_addr_add+0x4f8/0xa40 [ 1295.796122][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.796122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.796122][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.796122][ T72] netlink_unicast+0x449/0x710 [ 1295.796122][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.796122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.796122][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.796122][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.796122][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.796122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.796122][ T72] [ 1295.798138][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1295.798138][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.798138][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.798138][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.798138][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1295.798138][ T72] ipv6_add_addr+0x411/0x2000 [ 1295.798138][ T72] inet6_addr_add+0x30e/0xa40 [ 1295.798138][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.798138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.798138][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.798138][ T72] netlink_unicast+0x449/0x710 [ 1295.798138][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.798138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.798138][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.798138][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.798138][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.798138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.798138][ T72] [ 1295.800130][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1295.800130][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.800130][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.800130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.800130][ T72] ip6_route_add+0x1c/0x140 [ 1295.800130][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1295.800130][ T72] addrconf_add_dev+0xe2/0x170 [ 1295.800130][ T72] inet6_addr_add+0x12f/0xa40 [ 1295.800130][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.800130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.800130][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.800130][ T72] netlink_unicast+0x449/0x710 [ 1295.800130][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.800130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.800130][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.800130][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.800130][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.800130][ T72] [ 1295.802293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1295.802293][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1295.802293][ T72] ipv6_find_idev+0x102/0x170 [ 1295.802293][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.802293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.802293][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.802293][ T72] netlink_unicast+0x449/0x710 [ 1295.802293][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.802293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.802293][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.802293][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.802293][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.802293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.802293][ T72] [ 1295.804517][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1295.804517][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1295.804517][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1295.804517][ T72] ipv6_find_idev+0x102/0x170 [ 1295.804517][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.804517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.804517][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.804517][ T72] netlink_unicast+0x449/0x710 [ 1295.804517][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.804517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.804517][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.804517][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.804517][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.804517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.804517][ T72] [ 1295.807345][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1295.807846][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1295.807846][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1295.807846][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1295.807846][ T72] fib6_nh_init+0xa22/0x1580 [ 1295.807846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.807846][ T72] ip6_route_add+0x1c/0x140 [ 1295.807846][ T72] inet6_rtm_newroute+0x104/0x110 [ 1295.807846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.807846][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.807846][ T72] netlink_unicast+0x449/0x710 [ 1295.807846][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.807846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.807846][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.807846][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.807846][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.807846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.807846][ T72] [ 1295.809937][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1295.809937][ T72] dst_init+0x84/0x4a0 [ 1295.809937][ T72] dst_alloc+0x97/0x150 [ 1295.809937][ T72] ip6_dst_alloc+0x23/0x90 [ 1295.809937][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1295.809937][ T72] ip6_pol_route+0x56f/0x840 [ 1295.809937][ T72] fib6_rule_lookup+0x456/0x630 [ 1295.809937][ T72] ip6_route_input+0x59c/0xa50 [ 1295.809937][ T72] ipv6_rcv+0x397/0x810 [ 1295.809937][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1295.809937][ T72] process_backlog+0x101/0x620 [ 1295.809937][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1295.809937][ T72] net_rx_action+0x495/0xbe0 [ 1295.809937][ T72] __do_softirq+0x1b5/0x7f6 [ 1295.809937][ T72] [ 1295.812295][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1295.812295][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.812295][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.812295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.812295][ T72] ip6_route_add+0x1c/0x140 [ 1295.812295][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1295.812295][ T72] inet6_addr_add+0x4f8/0xa40 [ 1295.812295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.812295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.812295][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.812295][ T72] netlink_unicast+0x449/0x710 [ 1295.812295][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.812295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.812295][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.812295][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.812295][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.812295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.812295][ T72] [ 1295.815850][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1295.815850][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.815850][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.815850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.815850][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1295.815850][ T72] ipv6_add_addr+0x411/0x2000 [ 1295.815850][ T72] inet6_addr_add+0x30e/0xa40 [ 1295.815850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.815850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.815850][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.815850][ T72] netlink_unicast+0x449/0x710 [ 1295.815850][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.815850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.815850][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.815850][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.815850][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.815850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.815850][ T72] [ 1295.818537][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1295.818537][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.818537][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.818537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.818537][ T72] ip6_route_add+0x1c/0x140 [ 1295.818537][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1295.818537][ T72] addrconf_add_dev+0xe2/0x170 [ 1295.818537][ T72] inet6_addr_add+0x12f/0xa40 [ 1295.818537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.818537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.818537][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.818537][ T72] netlink_unicast+0x449/0x710 [ 1295.818537][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.818537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.818537][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.818537][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.818537][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.818537][ T72] [ 1295.820817][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1295.820817][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1295.820817][ T72] ipv6_find_idev+0x102/0x170 [ 1295.820817][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.820817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.820817][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.820817][ T72] netlink_unicast+0x449/0x710 [ 1295.820817][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.820817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.820817][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.820817][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.820817][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.820817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.820817][ T72] [ 1295.822552][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1295.822552][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1295.822552][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1295.822552][ T72] ipv6_find_idev+0x102/0x170 [ 1295.822552][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.822552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.822552][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.822552][ T72] netlink_unicast+0x449/0x710 [ 1295.822552][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.822552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.822552][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.822552][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.822552][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.822552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.822552][ T72] [ 1295.824861][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1295.825220][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1295.825220][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.825220][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.825220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.825220][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1295.825220][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1295.825220][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1295.825220][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1295.825220][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1295.825220][ T72] addrconf_dad_begin+0x310/0x670 [ 1295.825220][ T72] addrconf_dad_work+0x10b/0xab0 [ 1295.825220][ T72] process_one_work+0x84d/0x18a0 [ 1295.825220][ T72] worker_thread+0x587/0xd30 [ 1295.825220][ T72] kthread+0x28a/0x350 [ 1295.825220][ T72] ret_from_fork+0x31/0x70 [ 1295.825220][ T72] ret_from_fork_asm+0x1a/0x30 [ 1295.825220][ T72] [ 1295.827316][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1295.827316][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.827316][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.827316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.827316][ T72] ip6_route_add+0x1c/0x140 [ 1295.827316][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1295.827316][ T72] inet6_addr_add+0x4f8/0xa40 [ 1295.827316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.827316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.827316][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.827316][ T72] netlink_unicast+0x449/0x710 [ 1295.827316][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.827316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.827316][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.827316][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.827316][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.827316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.827316][ T72] [ 1295.829567][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1295.829567][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.829567][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.829567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.829567][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1295.829567][ T72] ipv6_add_addr+0x411/0x2000 [ 1295.829567][ T72] inet6_addr_add+0x30e/0xa40 [ 1295.829567][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.829567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.829567][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.829567][ T72] netlink_unicast+0x449/0x710 [ 1295.829567][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.829567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.829567][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.829567][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.829567][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.829567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.829567][ T72] [ 1295.831887][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1295.831887][ T72] netdev_get_by_index+0x5e/0x80 [ 1295.831887][ T72] fib6_nh_init+0x3d8/0x1580 [ 1295.831887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1295.831887][ T72] ip6_route_add+0x1c/0x140 [ 1295.831887][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1295.831887][ T72] addrconf_add_dev+0xe2/0x170 [ 1295.831887][ T72] inet6_addr_add+0x12f/0xa40 [ 1295.831887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.831887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.831887][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.831887][ T72] netlink_unicast+0x449/0x710 [ 1295.831887][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.831887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.831887][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.831887][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.831887][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.831887][ T72] [ 1295.834102][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1295.834102][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1295.834102][ T72] ipv6_find_idev+0x102/0x170 [ 1295.834102][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.834102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.834102][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.834102][ T72] netlink_unicast+0x449/0x710 [ 1295.834102][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.834102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.834102][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.834102][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.834102][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.834102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.834102][ T72] [ 1295.835831][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1295.835831][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1295.835831][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1295.835831][ T72] ipv6_find_idev+0x102/0x170 [ 1295.835831][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.835831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.835831][ T72] netlink_rcv_skb+0x130/0x360 [ 1295.835831][ T72] netlink_unicast+0x449/0x710 [ 1295.835831][ T72] netlink_sendmsg+0x723/0xbe0 [ 1295.835831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1295.835831][ T72] ___sys_sendmsg+0xee/0x170 [ 1295.835831][ T72] __sys_sendmsg+0xcd/0x170 [ 1295.835831][ T72] do_syscall_64+0xc6/0x1e0 [ 1295.835831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.835831][ T72] [ 1305.968949][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1305.969391][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1305.969391][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1305.969391][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1305.969391][ T72] fib6_nh_init+0xa22/0x1580 [ 1305.969391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.969391][ T72] ip6_route_add+0x1c/0x140 [ 1305.969391][ T72] inet6_rtm_newroute+0x104/0x110 [ 1305.969391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.969391][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.969391][ T72] netlink_unicast+0x449/0x710 [ 1305.969391][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.969391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.969391][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.969391][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.969391][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.969391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.969391][ T72] [ 1305.971272][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1305.971272][ T72] dst_init+0x84/0x4a0 [ 1305.971272][ T72] dst_alloc+0x97/0x150 [ 1305.971272][ T72] ip6_dst_alloc+0x23/0x90 [ 1305.971272][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1305.971272][ T72] ip6_pol_route+0x56f/0x840 [ 1305.971272][ T72] fib6_rule_lookup+0x456/0x630 [ 1305.971272][ T72] ip6_route_input+0x59c/0xa50 [ 1305.971272][ T72] ipv6_rcv+0x397/0x810 [ 1305.971272][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1305.971272][ T72] process_backlog+0x101/0x620 [ 1305.971272][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1305.971272][ T72] net_rx_action+0x495/0xbe0 [ 1305.971272][ T72] __do_softirq+0x1b5/0x7f6 [ 1305.971272][ T72] [ 1305.972904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1305.972904][ T72] netdev_get_by_index+0x5e/0x80 [ 1305.972904][ T72] fib6_nh_init+0x3d8/0x1580 [ 1305.972904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.972904][ T72] ip6_route_add+0x1c/0x140 [ 1305.972904][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1305.972904][ T72] inet6_addr_add+0x4f8/0xa40 [ 1305.972904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.972904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.972904][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.972904][ T72] netlink_unicast+0x449/0x710 [ 1305.972904][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.972904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.972904][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.972904][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.972904][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.972904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.972904][ T72] [ 1305.974886][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1305.974886][ T72] netdev_get_by_index+0x5e/0x80 [ 1305.974886][ T72] fib6_nh_init+0x3d8/0x1580 [ 1305.974886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.974886][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1305.974886][ T72] ipv6_add_addr+0x411/0x2000 [ 1305.974886][ T72] inet6_addr_add+0x30e/0xa40 [ 1305.974886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.974886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.974886][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.974886][ T72] netlink_unicast+0x449/0x710 [ 1305.974886][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.974886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.974886][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.974886][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.974886][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.974886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.974886][ T72] [ 1305.976866][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1305.976866][ T72] netdev_get_by_index+0x5e/0x80 [ 1305.976866][ T72] fib6_nh_init+0x3d8/0x1580 [ 1305.976866][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.976866][ T72] ip6_route_add+0x1c/0x140 [ 1305.976866][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1305.976866][ T72] addrconf_add_dev+0xe2/0x170 [ 1305.976866][ T72] inet6_addr_add+0x12f/0xa40 [ 1305.976866][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.976866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.976866][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.976866][ T72] netlink_unicast+0x449/0x710 [ 1305.976866][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.976866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.976866][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.976866][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.976866][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.976866][ T72] [ 1305.978822][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1305.978822][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1305.978822][ T72] ipv6_find_idev+0x102/0x170 [ 1305.978822][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.978822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.978822][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.978822][ T72] netlink_unicast+0x449/0x710 [ 1305.978822][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.978822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.978822][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.978822][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.978822][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.978822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.978822][ T72] [ 1305.980351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1305.980351][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1305.980351][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1305.980351][ T72] ipv6_find_idev+0x102/0x170 [ 1305.980351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.980351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.980351][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.980351][ T72] netlink_unicast+0x449/0x710 [ 1305.980351][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.980351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.980351][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.980351][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.980351][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.980351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.980351][ T72] [ 1305.982040][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1305.982310][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1305.982310][ T72] dst_init+0x84/0x4a0 [ 1305.982310][ T72] dst_alloc+0x97/0x150 [ 1305.982310][ T72] ip6_dst_alloc+0x23/0x90 [ 1305.982310][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1305.982310][ T72] ip6_pol_route+0x56f/0x840 [ 1305.982310][ T72] fib6_rule_lookup+0x456/0x630 [ 1305.982310][ T72] ip6_route_input+0x59c/0xa50 [ 1305.982310][ T72] ipv6_rcv+0x397/0x810 [ 1305.982310][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1305.982310][ T72] process_backlog+0x101/0x620 [ 1305.982310][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1305.982310][ T72] net_rx_action+0x495/0xbe0 [ 1305.982310][ T72] __do_softirq+0x1b5/0x7f6 [ 1305.982310][ T72] [ 1305.983936][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1305.983936][ T72] netdev_get_by_index+0x5e/0x80 [ 1305.983936][ T72] fib6_nh_init+0x3d8/0x1580 [ 1305.983936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.983936][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1305.983936][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1305.983936][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1305.983936][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1305.983936][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1305.983936][ T72] addrconf_dad_begin+0x310/0x670 [ 1305.983936][ T72] addrconf_dad_work+0x10b/0xab0 [ 1305.983936][ T72] process_one_work+0x84d/0x18a0 [ 1305.983936][ T72] worker_thread+0x587/0xd30 [ 1305.983936][ T72] kthread+0x28a/0x350 [ 1305.983936][ T72] ret_from_fork+0x31/0x70 [ 1305.983936][ T72] ret_from_fork_asm+0x1a/0x30 [ 1305.983936][ T72] [ 1305.985825][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1305.985825][ T72] netdev_get_by_index+0x5e/0x80 [ 1305.985825][ T72] fib6_nh_init+0x3d8/0x1580 [ 1305.985825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.985825][ T72] ip6_route_add+0x1c/0x140 [ 1305.985825][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1305.985825][ T72] inet6_addr_add+0x4f8/0xa40 [ 1305.985825][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.985825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.985825][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.985825][ T72] netlink_unicast+0x449/0x710 [ 1305.985825][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.985825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.985825][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.985825][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.985825][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.985825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.985825][ T72] [ 1305.987832][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1305.987832][ T72] netdev_get_by_index+0x5e/0x80 [ 1305.987832][ T72] fib6_nh_init+0x3d8/0x1580 [ 1305.987832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.987832][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1305.987832][ T72] ipv6_add_addr+0x411/0x2000 [ 1305.987832][ T72] inet6_addr_add+0x30e/0xa40 [ 1305.987832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.987832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.987832][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.987832][ T72] netlink_unicast+0x449/0x710 [ 1305.987832][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.987832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.987832][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.987832][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.987832][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.987832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.987832][ T72] [ 1305.989802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1305.989802][ T72] netdev_get_by_index+0x5e/0x80 [ 1305.989802][ T72] fib6_nh_init+0x3d8/0x1580 [ 1305.989802][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.989802][ T72] ip6_route_add+0x1c/0x140 [ 1305.989802][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1305.989802][ T72] addrconf_add_dev+0xe2/0x170 [ 1305.989802][ T72] inet6_addr_add+0x12f/0xa40 [ 1305.989802][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.989802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.989802][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.989802][ T72] netlink_unicast+0x449/0x710 [ 1305.989802][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.989802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.989802][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.989802][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.989802][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.989802][ T72] [ 1305.991759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1305.991759][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1305.991759][ T72] ipv6_find_idev+0x102/0x170 [ 1305.991759][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.991759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.991759][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.991759][ T72] netlink_unicast+0x449/0x710 [ 1305.991759][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.991759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.991759][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.991759][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.991759][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.991759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.991759][ T72] [ 1305.993289][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1305.993289][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1305.993289][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1305.993289][ T72] ipv6_find_idev+0x102/0x170 [ 1305.993289][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.993289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.993289][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.993289][ T72] netlink_unicast+0x449/0x710 [ 1305.993289][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.993289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.993289][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.993289][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.993289][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.993289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.993289][ T72] [ 1305.995019][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1305.995344][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1305.995344][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1305.995344][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1305.995344][ T72] fib6_nh_init+0xa22/0x1580 [ 1305.995344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.995344][ T72] ip6_route_add+0x1c/0x140 [ 1305.995344][ T72] inet6_rtm_newroute+0x104/0x110 [ 1305.995344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.995344][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.995344][ T72] netlink_unicast+0x449/0x710 [ 1305.995344][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.995344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.995344][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.995344][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.995344][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.995344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.995344][ T72] [ 1305.997460][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1305.997460][ T72] dst_init+0x84/0x4a0 [ 1305.997460][ T72] dst_alloc+0x97/0x150 [ 1305.997460][ T72] ip6_dst_alloc+0x23/0x90 [ 1305.997460][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1305.997460][ T72] ip6_pol_route+0x56f/0x840 [ 1305.997460][ T72] fib6_rule_lookup+0x456/0x630 [ 1305.997460][ T72] ip6_route_input+0x59c/0xa50 [ 1305.997460][ T72] ipv6_rcv+0x397/0x810 [ 1305.997460][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1305.997460][ T72] process_backlog+0x101/0x620 [ 1305.997460][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1305.997460][ T72] net_rx_action+0x495/0xbe0 [ 1305.997460][ T72] __do_softirq+0x1b5/0x7f6 [ 1305.997460][ T72] [ 1305.999264][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1305.999264][ T72] netdev_get_by_index+0x5e/0x80 [ 1305.999264][ T72] fib6_nh_init+0x3d8/0x1580 [ 1305.999264][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1305.999264][ T72] ip6_route_add+0x1c/0x140 [ 1305.999264][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1305.999264][ T72] inet6_addr_add+0x4f8/0xa40 [ 1305.999264][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.999264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.999264][ T72] netlink_rcv_skb+0x130/0x360 [ 1305.999264][ T72] netlink_unicast+0x449/0x710 [ 1305.999264][ T72] netlink_sendmsg+0x723/0xbe0 [ 1305.999264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1305.999264][ T72] ___sys_sendmsg+0xee/0x170 [ 1305.999264][ T72] __sys_sendmsg+0xcd/0x170 [ 1305.999264][ T72] do_syscall_64+0xc6/0x1e0 [ 1305.999264][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.999264][ T72] [ 1306.001494][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1306.001494][ T72] netdev_get_by_index+0x5e/0x80 [ 1306.001494][ T72] fib6_nh_init+0x3d8/0x1580 [ 1306.001494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1306.001494][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1306.001494][ T72] ipv6_add_addr+0x411/0x2000 [ 1306.001494][ T72] inet6_addr_add+0x30e/0xa40 [ 1306.001494][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.001494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.001494][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.001494][ T72] netlink_unicast+0x449/0x710 [ 1306.001494][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.001494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.001494][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.001494][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.001494][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.001494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.001494][ T72] [ 1306.003686][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1306.003686][ T72] netdev_get_by_index+0x5e/0x80 [ 1306.003686][ T72] fib6_nh_init+0x3d8/0x1580 [ 1306.003686][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1306.003686][ T72] ip6_route_add+0x1c/0x140 [ 1306.003686][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1306.003686][ T72] addrconf_add_dev+0xe2/0x170 [ 1306.003686][ T72] inet6_addr_add+0x12f/0xa40 [ 1306.003686][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.003686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.003686][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.003686][ T72] netlink_unicast+0x449/0x710 [ 1306.003686][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.003686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.003686][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.003686][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.003686][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.003686][ T72] [ 1306.005942][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1306.005942][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1306.005942][ T72] ipv6_find_idev+0x102/0x170 [ 1306.005942][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1306.005942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.005942][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.005942][ T72] netlink_unicast+0x449/0x710 [ 1306.005942][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.005942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.005942][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.005942][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.005942][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.005942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.005942][ T72] [ 1306.007651][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1306.007651][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1306.007651][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1306.007651][ T72] ipv6_find_idev+0x102/0x170 [ 1306.007651][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1306.007651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.007651][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.007651][ T72] netlink_unicast+0x449/0x710 [ 1306.007651][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.007651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.007651][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.007651][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.007651][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.007651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.007651][ T72] [ 1306.009513][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1306.009932][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1306.009932][ T72] netdev_get_by_index+0x5e/0x80 [ 1306.009932][ T72] fib6_nh_init+0x3d8/0x1580 [ 1306.009932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1306.009932][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1306.009932][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1306.009932][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1306.009932][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1306.009932][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1306.009932][ T72] addrconf_dad_begin+0x310/0x670 [ 1306.009932][ T72] addrconf_dad_work+0x10b/0xab0 [ 1306.009932][ T72] process_one_work+0x84d/0x18a0 [ 1306.009932][ T72] worker_thread+0x587/0xd30 [ 1306.009932][ T72] kthread+0x28a/0x350 [ 1306.009932][ T72] ret_from_fork+0x31/0x70 [ 1306.009932][ T72] ret_from_fork_asm+0x1a/0x30 [ 1306.009932][ T72] [ 1306.012014][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1306.012014][ T72] netdev_get_by_index+0x5e/0x80 [ 1306.012014][ T72] fib6_nh_init+0x3d8/0x1580 [ 1306.012014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1306.012014][ T72] ip6_route_add+0x1c/0x140 [ 1306.012014][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1306.012014][ T72] inet6_addr_add+0x4f8/0xa40 [ 1306.012014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.012014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.012014][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.012014][ T72] netlink_unicast+0x449/0x710 [ 1306.012014][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.012014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.012014][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.012014][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.012014][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.012014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.012014][ T72] [ 1306.014181][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1306.014181][ T72] netdev_get_by_index+0x5e/0x80 [ 1306.014181][ T72] fib6_nh_init+0x3d8/0x1580 [ 1306.014181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1306.014181][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1306.014181][ T72] ipv6_add_addr+0x411/0x2000 [ 1306.014181][ T72] inet6_addr_add+0x30e/0xa40 [ 1306.014181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.014181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.014181][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.014181][ T72] netlink_unicast+0x449/0x710 [ 1306.014181][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.014181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.014181][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.014181][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.014181][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.014181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.014181][ T72] [ 1306.016461][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1306.016461][ T72] netdev_get_by_index+0x5e/0x80 [ 1306.016461][ T72] fib6_nh_init+0x3d8/0x1580 [ 1306.016461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1306.016461][ T72] ip6_route_add+0x1c/0x140 [ 1306.016461][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1306.016461][ T72] addrconf_add_dev+0xe2/0x170 [ 1306.016461][ T72] inet6_addr_add+0x12f/0xa40 [ 1306.016461][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.016461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.016461][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.016461][ T72] netlink_unicast+0x449/0x710 [ 1306.016461][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.016461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.016461][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.016461][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.016461][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.016461][ T72] [ 1306.018649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1306.018649][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1306.018649][ T72] ipv6_find_idev+0x102/0x170 [ 1306.018649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1306.018649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.018649][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.018649][ T72] netlink_unicast+0x449/0x710 [ 1306.018649][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.018649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.018649][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.018649][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.018649][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.018649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.018649][ T72] [ 1306.020354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1306.020354][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1306.020354][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1306.020354][ T72] ipv6_find_idev+0x102/0x170 [ 1306.020354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1306.020354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.020354][ T72] netlink_rcv_skb+0x130/0x360 [ 1306.020354][ T72] netlink_unicast+0x449/0x710 [ 1306.020354][ T72] netlink_sendmsg+0x723/0xbe0 [ 1306.020354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1306.020354][ T72] ___sys_sendmsg+0xee/0x170 [ 1306.020354][ T72] __sys_sendmsg+0xcd/0x170 [ 1306.020354][ T72] do_syscall_64+0xc6/0x1e0 [ 1306.020354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.020354][ T72] [ 1316.264921][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1316.265441][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1316.265441][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1316.265441][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1316.265441][ T72] fib6_nh_init+0xa22/0x1580 [ 1316.265441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.265441][ T72] ip6_route_add+0x1c/0x140 [ 1316.265441][ T72] inet6_rtm_newroute+0x104/0x110 [ 1316.265441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.265441][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.265441][ T72] netlink_unicast+0x449/0x710 [ 1316.265441][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.265441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.265441][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.265441][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.265441][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.265441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.265441][ T72] [ 1316.267355][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1316.267355][ T72] dst_init+0x84/0x4a0 [ 1316.267355][ T72] dst_alloc+0x97/0x150 [ 1316.267355][ T72] ip6_dst_alloc+0x23/0x90 [ 1316.267355][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1316.267355][ T72] ip6_pol_route+0x56f/0x840 [ 1316.267355][ T72] fib6_rule_lookup+0x456/0x630 [ 1316.267355][ T72] ip6_route_input+0x59c/0xa50 [ 1316.267355][ T72] ipv6_rcv+0x397/0x810 [ 1316.267355][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1316.267355][ T72] process_backlog+0x101/0x620 [ 1316.267355][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1316.267355][ T72] net_rx_action+0x495/0xbe0 [ 1316.267355][ T72] __do_softirq+0x1b5/0x7f6 [ 1316.267355][ T72] [ 1316.269018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1316.269018][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.269018][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.269018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.269018][ T72] ip6_route_add+0x1c/0x140 [ 1316.269018][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1316.269018][ T72] inet6_addr_add+0x4f8/0xa40 [ 1316.269018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.269018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.269018][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.269018][ T72] netlink_unicast+0x449/0x710 [ 1316.269018][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.269018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.269018][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.269018][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.269018][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.269018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.269018][ T72] [ 1316.271052][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1316.271052][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.271052][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.271052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.271052][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1316.271052][ T72] ipv6_add_addr+0x411/0x2000 [ 1316.271052][ T72] inet6_addr_add+0x30e/0xa40 [ 1316.271052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.271052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.271052][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.271052][ T72] netlink_unicast+0x449/0x710 [ 1316.271052][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.271052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.271052][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.271052][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.271052][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.271052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.271052][ T72] [ 1316.273122][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1316.273122][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.273122][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.273122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.273122][ T72] ip6_route_add+0x1c/0x140 [ 1316.273122][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1316.273122][ T72] addrconf_add_dev+0xe2/0x170 [ 1316.273122][ T72] inet6_addr_add+0x12f/0xa40 [ 1316.273122][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.273122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.273122][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.273122][ T72] netlink_unicast+0x449/0x710 [ 1316.273122][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.273122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.273122][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.273122][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.273122][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.273122][ T72] [ 1316.275102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1316.275102][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1316.275102][ T72] ipv6_find_idev+0x102/0x170 [ 1316.275102][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.275102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.275102][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.275102][ T72] netlink_unicast+0x449/0x710 [ 1316.275102][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.275102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.275102][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.275102][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.275102][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.275102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.275102][ T72] [ 1316.276654][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1316.276654][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1316.276654][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1316.276654][ T72] ipv6_find_idev+0x102/0x170 [ 1316.276654][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.276654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.276654][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.276654][ T72] netlink_unicast+0x449/0x710 [ 1316.276654][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.276654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.276654][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.276654][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.276654][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.276654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.276654][ T72] [ 1316.278370][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1316.278637][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1316.278637][ T72] dst_init+0x84/0x4a0 [ 1316.278637][ T72] dst_alloc+0x97/0x150 [ 1316.278637][ T72] ip6_dst_alloc+0x23/0x90 [ 1316.278637][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1316.278637][ T72] ip6_pol_route+0x56f/0x840 [ 1316.278637][ T72] fib6_rule_lookup+0x456/0x630 [ 1316.278637][ T72] ip6_route_input+0x59c/0xa50 [ 1316.278637][ T72] ipv6_rcv+0x397/0x810 [ 1316.278637][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1316.278637][ T72] process_backlog+0x101/0x620 [ 1316.278637][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1316.278637][ T72] net_rx_action+0x495/0xbe0 [ 1316.278637][ T72] __do_softirq+0x1b5/0x7f6 [ 1316.278637][ T72] [ 1316.280285][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1316.280285][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.280285][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.280285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.280285][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1316.280285][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1316.280285][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1316.280285][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1316.280285][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1316.280285][ T72] addrconf_dad_begin+0x310/0x670 [ 1316.280285][ T72] addrconf_dad_work+0x10b/0xab0 [ 1316.280285][ T72] process_one_work+0x84d/0x18a0 [ 1316.280285][ T72] worker_thread+0x587/0xd30 [ 1316.280285][ T72] kthread+0x28a/0x350 [ 1316.280285][ T72] ret_from_fork+0x31/0x70 [ 1316.280285][ T72] ret_from_fork_asm+0x1a/0x30 [ 1316.280285][ T72] [ 1316.282224][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1316.282224][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.282224][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.282224][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.282224][ T72] ip6_route_add+0x1c/0x140 [ 1316.282224][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1316.282224][ T72] inet6_addr_add+0x4f8/0xa40 [ 1316.282224][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.282224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.282224][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.282224][ T72] netlink_unicast+0x449/0x710 [ 1316.282224][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.282224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.282224][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.282224][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.282224][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.282224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.282224][ T72] [ 1316.284245][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1316.284245][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.284245][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.284245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.284245][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1316.284245][ T72] ipv6_add_addr+0x411/0x2000 [ 1316.284245][ T72] inet6_addr_add+0x30e/0xa40 [ 1316.284245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.284245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.284245][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.284245][ T72] netlink_unicast+0x449/0x710 [ 1316.284245][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.284245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.284245][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.284245][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.284245][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.284245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.284245][ T72] [ 1316.286255][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1316.286255][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.286255][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.286255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.286255][ T72] ip6_route_add+0x1c/0x140 [ 1316.286255][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1316.286255][ T72] addrconf_add_dev+0xe2/0x170 [ 1316.286255][ T72] inet6_addr_add+0x12f/0xa40 [ 1316.286255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.286255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.286255][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.286255][ T72] netlink_unicast+0x449/0x710 [ 1316.286255][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.286255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.286255][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.286255][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.286255][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.286255][ T72] [ 1316.288231][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1316.288231][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1316.288231][ T72] ipv6_find_idev+0x102/0x170 [ 1316.288231][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.288231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.288231][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.288231][ T72] netlink_unicast+0x449/0x710 [ 1316.288231][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.288231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.288231][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.288231][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.288231][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.288231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.288231][ T72] [ 1316.289780][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1316.289780][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1316.289780][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1316.289780][ T72] ipv6_find_idev+0x102/0x170 [ 1316.289780][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.289780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.289780][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.289780][ T72] netlink_unicast+0x449/0x710 [ 1316.289780][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.289780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.289780][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.289780][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.289780][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.289780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.289780][ T72] [ 1316.291546][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1316.291885][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1316.291885][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1316.291885][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1316.291885][ T72] fib6_nh_init+0xa22/0x1580 [ 1316.291885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.291885][ T72] ip6_route_add+0x1c/0x140 [ 1316.291885][ T72] inet6_rtm_newroute+0x104/0x110 [ 1316.291885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.291885][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.291885][ T72] netlink_unicast+0x449/0x710 [ 1316.291885][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.291885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.291885][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.291885][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.291885][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.291885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.291885][ T72] [ 1316.294094][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1316.294094][ T72] dst_init+0x84/0x4a0 [ 1316.294094][ T72] dst_alloc+0x97/0x150 [ 1316.294094][ T72] ip6_dst_alloc+0x23/0x90 [ 1316.294094][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1316.294094][ T72] ip6_pol_route+0x56f/0x840 [ 1316.294094][ T72] fib6_rule_lookup+0x456/0x630 [ 1316.294094][ T72] ip6_route_input+0x59c/0xa50 [ 1316.294094][ T72] ipv6_rcv+0x397/0x810 [ 1316.294094][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1316.294094][ T72] process_backlog+0x101/0x620 [ 1316.294094][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1316.294094][ T72] net_rx_action+0x495/0xbe0 [ 1316.294094][ T72] __do_softirq+0x1b5/0x7f6 [ 1316.294094][ T72] [ 1316.295873][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1316.295873][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.295873][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.295873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.295873][ T72] ip6_route_add+0x1c/0x140 [ 1316.295873][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1316.295873][ T72] inet6_addr_add+0x4f8/0xa40 [ 1316.295873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.295873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.295873][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.295873][ T72] netlink_unicast+0x449/0x710 [ 1316.295873][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.295873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.295873][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.295873][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.295873][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.295873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.295873][ T72] [ 1316.298134][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1316.298134][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.298134][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.298134][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.298134][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1316.298134][ T72] ipv6_add_addr+0x411/0x2000 [ 1316.298134][ T72] inet6_addr_add+0x30e/0xa40 [ 1316.298134][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.298134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.298134][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.298134][ T72] netlink_unicast+0x449/0x710 [ 1316.298134][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.298134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.298134][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.298134][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.298134][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.298134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.298134][ T72] [ 1316.300399][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1316.300399][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.300399][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.300399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.300399][ T72] ip6_route_add+0x1c/0x140 [ 1316.300399][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1316.300399][ T72] addrconf_add_dev+0xe2/0x170 [ 1316.300399][ T72] inet6_addr_add+0x12f/0xa40 [ 1316.300399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.300399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.300399][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.300399][ T72] netlink_unicast+0x449/0x710 [ 1316.300399][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.300399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.300399][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.300399][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.300399][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.300399][ T72] [ 1316.302585][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1316.302585][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1316.302585][ T72] ipv6_find_idev+0x102/0x170 [ 1316.302585][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.302585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.302585][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.302585][ T72] netlink_unicast+0x449/0x710 [ 1316.302585][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.302585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.302585][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.302585][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.302585][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.302585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.302585][ T72] [ 1316.304253][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1316.304253][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1316.304253][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1316.304253][ T72] ipv6_find_idev+0x102/0x170 [ 1316.304253][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.304253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.304253][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.304253][ T72] netlink_unicast+0x449/0x710 [ 1316.304253][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.304253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.304253][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.304253][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.304253][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.304253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.304253][ T72] [ 1316.306130][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1316.306411][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1316.306411][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.306411][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.306411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.306411][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1316.306411][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1316.306411][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1316.306411][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1316.306411][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1316.306411][ T72] addrconf_dad_begin+0x310/0x670 [ 1316.306411][ T72] addrconf_dad_work+0x10b/0xab0 [ 1316.306411][ T72] process_one_work+0x84d/0x18a0 [ 1316.306411][ T72] worker_thread+0x587/0xd30 [ 1316.306411][ T72] kthread+0x28a/0x350 [ 1316.306411][ T72] ret_from_fork+0x31/0x70 [ 1316.306411][ T72] ret_from_fork_asm+0x1a/0x30 [ 1316.306411][ T72] [ 1316.308525][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1316.308525][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.308525][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.308525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.308525][ T72] ip6_route_add+0x1c/0x140 [ 1316.308525][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1316.308525][ T72] inet6_addr_add+0x4f8/0xa40 [ 1316.308525][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.308525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.308525][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.308525][ T72] netlink_unicast+0x449/0x710 [ 1316.308525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.308525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.308525][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.308525][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.308525][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.308525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.308525][ T72] [ 1316.311251][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1316.311251][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.311251][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.311251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.311251][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1316.311251][ T72] ipv6_add_addr+0x411/0x2000 [ 1316.311251][ T72] inet6_addr_add+0x30e/0xa40 [ 1316.311251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.311251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.311251][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.311251][ T72] netlink_unicast+0x449/0x710 [ 1316.311251][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.311251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.311251][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.311251][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.311251][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.311251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.311251][ T72] [ 1316.314264][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1316.314264][ T72] netdev_get_by_index+0x5e/0x80 [ 1316.314264][ T72] fib6_nh_init+0x3d8/0x1580 [ 1316.314264][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1316.314264][ T72] ip6_route_add+0x1c/0x140 [ 1316.314264][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1316.314264][ T72] addrconf_add_dev+0xe2/0x170 [ 1316.314264][ T72] inet6_addr_add+0x12f/0xa40 [ 1316.314264][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.314264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.314264][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.314264][ T72] netlink_unicast+0x449/0x710 [ 1316.314264][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.314264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.314264][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.314264][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.314264][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.314264][ T72] [ 1316.325579][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1316.325579][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1316.325579][ T72] ipv6_find_idev+0x102/0x170 [ 1316.325579][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.325579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.325579][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.325579][ T72] netlink_unicast+0x449/0x710 [ 1316.325579][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.325579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.325579][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.325579][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.325579][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.325579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.325579][ T72] [ 1316.328245][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1316.328245][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1316.328245][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1316.328245][ T72] ipv6_find_idev+0x102/0x170 [ 1316.328245][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.328245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.328245][ T72] netlink_rcv_skb+0x130/0x360 [ 1316.328245][ T72] netlink_unicast+0x449/0x710 [ 1316.328245][ T72] netlink_sendmsg+0x723/0xbe0 [ 1316.328245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1316.328245][ T72] ___sys_sendmsg+0xee/0x170 [ 1316.328245][ T72] __sys_sendmsg+0xcd/0x170 [ 1316.328245][ T72] do_syscall_64+0xc6/0x1e0 [ 1316.328245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.328245][ T72] [ 1326.568942][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1326.569435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1326.569435][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1326.569435][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1326.569435][ T72] fib6_nh_init+0xa22/0x1580 [ 1326.569435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.569435][ T72] ip6_route_add+0x1c/0x140 [ 1326.569435][ T72] inet6_rtm_newroute+0x104/0x110 [ 1326.569435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.569435][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.569435][ T72] netlink_unicast+0x449/0x710 [ 1326.569435][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.569435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.569435][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.569435][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.569435][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.569435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.569435][ T72] [ 1326.571326][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1326.571326][ T72] dst_init+0x84/0x4a0 [ 1326.571326][ T72] dst_alloc+0x97/0x150 [ 1326.571326][ T72] ip6_dst_alloc+0x23/0x90 [ 1326.571326][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1326.571326][ T72] ip6_pol_route+0x56f/0x840 [ 1326.571326][ T72] fib6_rule_lookup+0x456/0x630 [ 1326.571326][ T72] ip6_route_input+0x59c/0xa50 [ 1326.571326][ T72] ipv6_rcv+0x397/0x810 [ 1326.571326][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1326.571326][ T72] process_backlog+0x101/0x620 [ 1326.571326][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1326.571326][ T72] net_rx_action+0x495/0xbe0 [ 1326.571326][ T72] __do_softirq+0x1b5/0x7f6 [ 1326.571326][ T72] [ 1326.572973][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1326.572973][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.572973][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.572973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.572973][ T72] ip6_route_add+0x1c/0x140 [ 1326.572973][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1326.572973][ T72] inet6_addr_add+0x4f8/0xa40 [ 1326.572973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.572973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.572973][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.572973][ T72] netlink_unicast+0x449/0x710 [ 1326.572973][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.572973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.572973][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.572973][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.572973][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.572973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.572973][ T72] [ 1326.574964][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1326.574964][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.574964][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.574964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.574964][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1326.574964][ T72] ipv6_add_addr+0x411/0x2000 [ 1326.574964][ T72] inet6_addr_add+0x30e/0xa40 [ 1326.574964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.574964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.574964][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.574964][ T72] netlink_unicast+0x449/0x710 [ 1326.574964][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.574964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.574964][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.574964][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.574964][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.574964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.574964][ T72] [ 1326.576946][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1326.576946][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.576946][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.576946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.576946][ T72] ip6_route_add+0x1c/0x140 [ 1326.576946][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1326.576946][ T72] addrconf_add_dev+0xe2/0x170 [ 1326.576946][ T72] inet6_addr_add+0x12f/0xa40 [ 1326.576946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.576946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.576946][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.576946][ T72] netlink_unicast+0x449/0x710 [ 1326.576946][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.576946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.576946][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.576946][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.576946][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.576946][ T72] [ 1326.578920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1326.578920][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1326.578920][ T72] ipv6_find_idev+0x102/0x170 [ 1326.578920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.578920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.578920][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.578920][ T72] netlink_unicast+0x449/0x710 [ 1326.578920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.578920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.578920][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.578920][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.578920][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.578920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.578920][ T72] [ 1326.580447][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1326.580447][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1326.580447][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1326.580447][ T72] ipv6_find_idev+0x102/0x170 [ 1326.580447][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.580447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.580447][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.580447][ T72] netlink_unicast+0x449/0x710 [ 1326.580447][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.580447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.580447][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.580447][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.580447][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.580447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.580447][ T72] [ 1326.582144][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1326.582413][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1326.582413][ T72] dst_init+0x84/0x4a0 [ 1326.582413][ T72] dst_alloc+0x97/0x150 [ 1326.582413][ T72] ip6_dst_alloc+0x23/0x90 [ 1326.582413][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1326.582413][ T72] ip6_pol_route+0x56f/0x840 [ 1326.582413][ T72] fib6_rule_lookup+0x456/0x630 [ 1326.582413][ T72] ip6_route_input+0x59c/0xa50 [ 1326.582413][ T72] ipv6_rcv+0x397/0x810 [ 1326.582413][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1326.582413][ T72] process_backlog+0x101/0x620 [ 1326.582413][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1326.582413][ T72] net_rx_action+0x495/0xbe0 [ 1326.582413][ T72] __do_softirq+0x1b5/0x7f6 [ 1326.582413][ T72] [ 1326.584059][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1326.584059][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.584059][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.584059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.584059][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1326.584059][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1326.584059][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1326.584059][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1326.584059][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1326.584059][ T72] addrconf_dad_begin+0x310/0x670 [ 1326.584059][ T72] addrconf_dad_work+0x10b/0xab0 [ 1326.584059][ T72] process_one_work+0x84d/0x18a0 [ 1326.584059][ T72] worker_thread+0x587/0xd30 [ 1326.584059][ T72] kthread+0x28a/0x350 [ 1326.584059][ T72] ret_from_fork+0x31/0x70 [ 1326.584059][ T72] ret_from_fork_asm+0x1a/0x30 [ 1326.584059][ T72] [ 1326.586007][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1326.586007][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.586007][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.586007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.586007][ T72] ip6_route_add+0x1c/0x140 [ 1326.586007][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1326.586007][ T72] inet6_addr_add+0x4f8/0xa40 [ 1326.586007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.586007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.586007][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.586007][ T72] netlink_unicast+0x449/0x710 [ 1326.586007][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.586007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.586007][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.586007][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.586007][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.586007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.586007][ T72] [ 1326.587982][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1326.587982][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.587982][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.587982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.587982][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1326.587982][ T72] ipv6_add_addr+0x411/0x2000 [ 1326.587982][ T72] inet6_addr_add+0x30e/0xa40 [ 1326.587982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.587982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.587982][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.587982][ T72] netlink_unicast+0x449/0x710 [ 1326.587982][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.587982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.587982][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.587982][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.587982][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.587982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.587982][ T72] [ 1326.589973][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1326.589973][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.589973][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.589973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.589973][ T72] ip6_route_add+0x1c/0x140 [ 1326.589973][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1326.589973][ T72] addrconf_add_dev+0xe2/0x170 [ 1326.589973][ T72] inet6_addr_add+0x12f/0xa40 [ 1326.589973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.589973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.589973][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.589973][ T72] netlink_unicast+0x449/0x710 [ 1326.589973][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.589973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.589973][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.589973][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.589973][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.589973][ T72] [ 1326.591925][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1326.591925][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1326.591925][ T72] ipv6_find_idev+0x102/0x170 [ 1326.591925][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.591925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.591925][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.591925][ T72] netlink_unicast+0x449/0x710 [ 1326.591925][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.591925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.591925][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.591925][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.591925][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.591925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.591925][ T72] [ 1326.593476][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1326.593476][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1326.593476][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1326.593476][ T72] ipv6_find_idev+0x102/0x170 [ 1326.593476][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.593476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.593476][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.593476][ T72] netlink_unicast+0x449/0x710 [ 1326.593476][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.593476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.593476][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.593476][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.593476][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.593476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.593476][ T72] [ 1326.595202][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1326.595529][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1326.595529][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1326.595529][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1326.595529][ T72] fib6_nh_init+0xa22/0x1580 [ 1326.595529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.595529][ T72] ip6_route_add+0x1c/0x140 [ 1326.595529][ T72] inet6_rtm_newroute+0x104/0x110 [ 1326.595529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.595529][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.595529][ T72] netlink_unicast+0x449/0x710 [ 1326.595529][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.595529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.595529][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.595529][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.595529][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.595529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.595529][ T72] [ 1326.597636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1326.597636][ T72] dst_init+0x84/0x4a0 [ 1326.597636][ T72] dst_alloc+0x97/0x150 [ 1326.597636][ T72] ip6_dst_alloc+0x23/0x90 [ 1326.597636][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1326.597636][ T72] ip6_pol_route+0x56f/0x840 [ 1326.597636][ T72] fib6_rule_lookup+0x456/0x630 [ 1326.597636][ T72] ip6_route_input+0x59c/0xa50 [ 1326.597636][ T72] ipv6_rcv+0x397/0x810 [ 1326.597636][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1326.597636][ T72] process_backlog+0x101/0x620 [ 1326.597636][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1326.597636][ T72] net_rx_action+0x495/0xbe0 [ 1326.597636][ T72] __do_softirq+0x1b5/0x7f6 [ 1326.597636][ T72] [ 1326.599383][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1326.599383][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.599383][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.599383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.599383][ T72] ip6_route_add+0x1c/0x140 [ 1326.599383][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1326.599383][ T72] inet6_addr_add+0x4f8/0xa40 [ 1326.599383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.599383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.599383][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.599383][ T72] netlink_unicast+0x449/0x710 [ 1326.599383][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.599383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.599383][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.599383][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.599383][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.599383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.599383][ T72] [ 1326.601614][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1326.601614][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.601614][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.601614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.601614][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1326.601614][ T72] ipv6_add_addr+0x411/0x2000 [ 1326.601614][ T72] inet6_addr_add+0x30e/0xa40 [ 1326.601614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.601614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.601614][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.601614][ T72] netlink_unicast+0x449/0x710 [ 1326.601614][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.601614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.601614][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.601614][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.601614][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.601614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.601614][ T72] [ 1326.603785][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1326.603785][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.603785][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.603785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.603785][ T72] ip6_route_add+0x1c/0x140 [ 1326.603785][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1326.603785][ T72] addrconf_add_dev+0xe2/0x170 [ 1326.603785][ T72] inet6_addr_add+0x12f/0xa40 [ 1326.603785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.603785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.603785][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.603785][ T72] netlink_unicast+0x449/0x710 [ 1326.603785][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.603785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.603785][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.603785][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.603785][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.603785][ T72] [ 1326.606042][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1326.606042][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1326.606042][ T72] ipv6_find_idev+0x102/0x170 [ 1326.606042][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.606042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.606042][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.606042][ T72] netlink_unicast+0x449/0x710 [ 1326.606042][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.606042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.606042][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.606042][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.606042][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.606042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.606042][ T72] [ 1326.607686][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1326.607686][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1326.607686][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1326.607686][ T72] ipv6_find_idev+0x102/0x170 [ 1326.607686][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.607686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.607686][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.607686][ T72] netlink_unicast+0x449/0x710 [ 1326.607686][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.607686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.607686][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.607686][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.607686][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.607686][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.607686][ T72] [ 1326.609556][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1326.609829][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1326.609829][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.609829][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.609829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.609829][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1326.609829][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1326.609829][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1326.609829][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1326.609829][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1326.609829][ T72] addrconf_dad_begin+0x310/0x670 [ 1326.609829][ T72] addrconf_dad_work+0x10b/0xab0 [ 1326.609829][ T72] process_one_work+0x84d/0x18a0 [ 1326.609829][ T72] worker_thread+0x587/0xd30 [ 1326.609829][ T72] kthread+0x28a/0x350 [ 1326.609829][ T72] ret_from_fork+0x31/0x70 [ 1326.609829][ T72] ret_from_fork_asm+0x1a/0x30 [ 1326.609829][ T72] [ 1326.611967][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1326.611967][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.611967][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.611967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.611967][ T72] ip6_route_add+0x1c/0x140 [ 1326.611967][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1326.611967][ T72] inet6_addr_add+0x4f8/0xa40 [ 1326.611967][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.611967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.611967][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.611967][ T72] netlink_unicast+0x449/0x710 [ 1326.611967][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.611967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.611967][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.611967][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.611967][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.611967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.611967][ T72] [ 1326.614129][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1326.614129][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.614129][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.614129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.614129][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1326.614129][ T72] ipv6_add_addr+0x411/0x2000 [ 1326.614129][ T72] inet6_addr_add+0x30e/0xa40 [ 1326.614129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.614129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.614129][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.614129][ T72] netlink_unicast+0x449/0x710 [ 1326.614129][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.614129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.614129][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.614129][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.614129][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.614129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.614129][ T72] [ 1326.616415][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1326.616415][ T72] netdev_get_by_index+0x5e/0x80 [ 1326.616415][ T72] fib6_nh_init+0x3d8/0x1580 [ 1326.616415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1326.616415][ T72] ip6_route_add+0x1c/0x140 [ 1326.616415][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1326.616415][ T72] addrconf_add_dev+0xe2/0x170 [ 1326.616415][ T72] inet6_addr_add+0x12f/0xa40 [ 1326.616415][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.616415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.616415][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.616415][ T72] netlink_unicast+0x449/0x710 [ 1326.616415][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.616415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.616415][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.616415][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.616415][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.616415][ T72] [ 1326.618544][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1326.618544][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1326.618544][ T72] ipv6_find_idev+0x102/0x170 [ 1326.618544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.618544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.618544][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.618544][ T72] netlink_unicast+0x449/0x710 [ 1326.618544][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.618544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.618544][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.618544][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.618544][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.618544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.618544][ T72] [ 1326.620192][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1326.620192][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1326.620192][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1326.620192][ T72] ipv6_find_idev+0x102/0x170 [ 1326.620192][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.620192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.620192][ T72] netlink_rcv_skb+0x130/0x360 [ 1326.620192][ T72] netlink_unicast+0x449/0x710 [ 1326.620192][ T72] netlink_sendmsg+0x723/0xbe0 [ 1326.620192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1326.620192][ T72] ___sys_sendmsg+0xee/0x170 [ 1326.620192][ T72] __sys_sendmsg+0xcd/0x170 [ 1326.620192][ T72] do_syscall_64+0xc6/0x1e0 [ 1326.620192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.620192][ T72] [ 1336.864914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1336.865417][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1336.865417][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1336.865417][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1336.865417][ T72] fib6_nh_init+0xa22/0x1580 [ 1336.865417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.865417][ T72] ip6_route_add+0x1c/0x140 [ 1336.865417][ T72] inet6_rtm_newroute+0x104/0x110 [ 1336.865417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.865417][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.865417][ T72] netlink_unicast+0x449/0x710 [ 1336.865417][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.865417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.865417][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.865417][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.865417][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.865417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.865417][ T72] [ 1336.867391][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1336.867391][ T72] dst_init+0x84/0x4a0 [ 1336.867391][ T72] dst_alloc+0x97/0x150 [ 1336.867391][ T72] ip6_dst_alloc+0x23/0x90 [ 1336.867391][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1336.867391][ T72] ip6_pol_route+0x56f/0x840 [ 1336.867391][ T72] fib6_rule_lookup+0x456/0x630 [ 1336.867391][ T72] ip6_route_input+0x59c/0xa50 [ 1336.867391][ T72] ipv6_rcv+0x397/0x810 [ 1336.867391][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1336.867391][ T72] process_backlog+0x101/0x620 [ 1336.867391][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1336.867391][ T72] net_rx_action+0x495/0xbe0 [ 1336.867391][ T72] __do_softirq+0x1b5/0x7f6 [ 1336.867391][ T72] [ 1336.869032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1336.869032][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.869032][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.869032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.869032][ T72] ip6_route_add+0x1c/0x140 [ 1336.869032][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1336.869032][ T72] inet6_addr_add+0x4f8/0xa40 [ 1336.869032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.869032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.869032][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.869032][ T72] netlink_unicast+0x449/0x710 [ 1336.869032][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.869032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.869032][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.869032][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.869032][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.869032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.869032][ T72] [ 1336.871017][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1336.871017][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.871017][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.871017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.871017][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1336.871017][ T72] ipv6_add_addr+0x411/0x2000 [ 1336.871017][ T72] inet6_addr_add+0x30e/0xa40 [ 1336.871017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.871017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.871017][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.871017][ T72] netlink_unicast+0x449/0x710 [ 1336.871017][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.871017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.871017][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.871017][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.871017][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.871017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.871017][ T72] [ 1336.873006][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1336.873006][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.873006][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.873006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.873006][ T72] ip6_route_add+0x1c/0x140 [ 1336.873006][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1336.873006][ T72] addrconf_add_dev+0xe2/0x170 [ 1336.873006][ T72] inet6_addr_add+0x12f/0xa40 [ 1336.873006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.873006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.873006][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.873006][ T72] netlink_unicast+0x449/0x710 [ 1336.873006][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.873006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.873006][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.873006][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.873006][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.873006][ T72] [ 1336.874950][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1336.874950][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1336.874950][ T72] ipv6_find_idev+0x102/0x170 [ 1336.874950][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.874950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.874950][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.874950][ T72] netlink_unicast+0x449/0x710 [ 1336.874950][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.874950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.874950][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.874950][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.874950][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.874950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.874950][ T72] [ 1336.876482][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1336.876482][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1336.876482][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1336.876482][ T72] ipv6_find_idev+0x102/0x170 [ 1336.876482][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.876482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.876482][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.876482][ T72] netlink_unicast+0x449/0x710 [ 1336.876482][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.876482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.876482][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.876482][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.876482][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.876482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.876482][ T72] [ 1336.878162][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1336.878439][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1336.878439][ T72] dst_init+0x84/0x4a0 [ 1336.878439][ T72] dst_alloc+0x97/0x150 [ 1336.878439][ T72] ip6_dst_alloc+0x23/0x90 [ 1336.878439][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1336.878439][ T72] ip6_pol_route+0x56f/0x840 [ 1336.878439][ T72] fib6_rule_lookup+0x456/0x630 [ 1336.878439][ T72] ip6_route_input+0x59c/0xa50 [ 1336.878439][ T72] ipv6_rcv+0x397/0x810 [ 1336.878439][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1336.878439][ T72] process_backlog+0x101/0x620 [ 1336.878439][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1336.878439][ T72] net_rx_action+0x495/0xbe0 [ 1336.878439][ T72] __do_softirq+0x1b5/0x7f6 [ 1336.878439][ T72] [ 1336.880069][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1336.880069][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.880069][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.880069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.880069][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1336.880069][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1336.880069][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1336.880069][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1336.880069][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1336.880069][ T72] addrconf_dad_begin+0x310/0x670 [ 1336.880069][ T72] addrconf_dad_work+0x10b/0xab0 [ 1336.880069][ T72] process_one_work+0x84d/0x18a0 [ 1336.880069][ T72] worker_thread+0x587/0xd30 [ 1336.880069][ T72] kthread+0x28a/0x350 [ 1336.880069][ T72] ret_from_fork+0x31/0x70 [ 1336.880069][ T72] ret_from_fork_asm+0x1a/0x30 [ 1336.880069][ T72] [ 1336.881971][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1336.881971][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.881971][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.881971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.881971][ T72] ip6_route_add+0x1c/0x140 [ 1336.881971][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1336.881971][ T72] inet6_addr_add+0x4f8/0xa40 [ 1336.881971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.881971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.881971][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.881971][ T72] netlink_unicast+0x449/0x710 [ 1336.881971][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.881971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.881971][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.881971][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.881971][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.881971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.881971][ T72] [ 1336.883958][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1336.883958][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.883958][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.883958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.883958][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1336.883958][ T72] ipv6_add_addr+0x411/0x2000 [ 1336.883958][ T72] inet6_addr_add+0x30e/0xa40 [ 1336.883958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.883958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.883958][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.883958][ T72] netlink_unicast+0x449/0x710 [ 1336.883958][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.883958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.883958][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.883958][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.883958][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.883958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.883958][ T72] [ 1336.885933][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1336.885933][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.885933][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.885933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.885933][ T72] ip6_route_add+0x1c/0x140 [ 1336.885933][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1336.885933][ T72] addrconf_add_dev+0xe2/0x170 [ 1336.885933][ T72] inet6_addr_add+0x12f/0xa40 [ 1336.885933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.885933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.885933][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.885933][ T72] netlink_unicast+0x449/0x710 [ 1336.885933][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.885933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.885933][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.885933][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.885933][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.885933][ T72] [ 1336.887881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1336.887881][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1336.887881][ T72] ipv6_find_idev+0x102/0x170 [ 1336.887881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.887881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.887881][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.887881][ T72] netlink_unicast+0x449/0x710 [ 1336.887881][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.887881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.887881][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.887881][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.887881][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.887881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.887881][ T72] [ 1336.889407][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1336.889407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1336.889407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1336.889407][ T72] ipv6_find_idev+0x102/0x170 [ 1336.889407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.889407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.889407][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.889407][ T72] netlink_unicast+0x449/0x710 [ 1336.889407][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.889407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.889407][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.889407][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.889407][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.889407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.889407][ T72] [ 1336.891127][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1336.891467][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1336.891467][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1336.891467][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1336.891467][ T72] fib6_nh_init+0xa22/0x1580 [ 1336.891467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.891467][ T72] ip6_route_add+0x1c/0x140 [ 1336.891467][ T72] inet6_rtm_newroute+0x104/0x110 [ 1336.891467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.891467][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.891467][ T72] netlink_unicast+0x449/0x710 [ 1336.891467][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.891467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.891467][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.891467][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.891467][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.891467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.891467][ T72] [ 1336.893578][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1336.893578][ T72] dst_init+0x84/0x4a0 [ 1336.893578][ T72] dst_alloc+0x97/0x150 [ 1336.893578][ T72] ip6_dst_alloc+0x23/0x90 [ 1336.893578][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1336.893578][ T72] ip6_pol_route+0x56f/0x840 [ 1336.893578][ T72] fib6_rule_lookup+0x456/0x630 [ 1336.893578][ T72] ip6_route_input+0x59c/0xa50 [ 1336.893578][ T72] ipv6_rcv+0x397/0x810 [ 1336.893578][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1336.893578][ T72] process_backlog+0x101/0x620 [ 1336.893578][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1336.893578][ T72] net_rx_action+0x495/0xbe0 [ 1336.893578][ T72] __do_softirq+0x1b5/0x7f6 [ 1336.893578][ T72] [ 1336.895376][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1336.895376][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.895376][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.895376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.895376][ T72] ip6_route_add+0x1c/0x140 [ 1336.895376][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1336.895376][ T72] inet6_addr_add+0x4f8/0xa40 [ 1336.895376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.895376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.895376][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.895376][ T72] netlink_unicast+0x449/0x710 [ 1336.895376][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.895376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.895376][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.895376][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.895376][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.895376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.895376][ T72] [ 1336.897598][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1336.897598][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.897598][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.897598][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.897598][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1336.897598][ T72] ipv6_add_addr+0x411/0x2000 [ 1336.897598][ T72] inet6_addr_add+0x30e/0xa40 [ 1336.897598][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.897598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.897598][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.897598][ T72] netlink_unicast+0x449/0x710 [ 1336.897598][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.897598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.897598][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.897598][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.897598][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.897598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.897598][ T72] [ 1336.899762][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1336.899762][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.899762][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.899762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.899762][ T72] ip6_route_add+0x1c/0x140 [ 1336.899762][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1336.899762][ T72] addrconf_add_dev+0xe2/0x170 [ 1336.899762][ T72] inet6_addr_add+0x12f/0xa40 [ 1336.899762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.899762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.899762][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.899762][ T72] netlink_unicast+0x449/0x710 [ 1336.899762][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.899762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.899762][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.899762][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.899762][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.899762][ T72] [ 1336.902035][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1336.902035][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1336.902035][ T72] ipv6_find_idev+0x102/0x170 [ 1336.902035][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.902035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.902035][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.902035][ T72] netlink_unicast+0x449/0x710 [ 1336.902035][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.902035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.902035][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.902035][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.902035][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.902035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.902035][ T72] [ 1336.903683][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1336.903683][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1336.903683][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1336.903683][ T72] ipv6_find_idev+0x102/0x170 [ 1336.903683][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.903683][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.903683][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.903683][ T72] netlink_unicast+0x449/0x710 [ 1336.903683][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.903683][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.903683][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.903683][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.903683][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.903683][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.903683][ T72] [ 1336.905527][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1336.905798][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1336.905798][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.905798][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.905798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.905798][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1336.905798][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1336.905798][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1336.905798][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1336.905798][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1336.905798][ T72] addrconf_dad_begin+0x310/0x670 [ 1336.905798][ T72] addrconf_dad_work+0x10b/0xab0 [ 1336.905798][ T72] process_one_work+0x84d/0x18a0 [ 1336.905798][ T72] worker_thread+0x587/0xd30 [ 1336.905798][ T72] kthread+0x28a/0x350 [ 1336.905798][ T72] ret_from_fork+0x31/0x70 [ 1336.905798][ T72] ret_from_fork_asm+0x1a/0x30 [ 1336.905798][ T72] [ 1336.907934][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1336.907934][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.907934][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.907934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.907934][ T72] ip6_route_add+0x1c/0x140 [ 1336.907934][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1336.907934][ T72] inet6_addr_add+0x4f8/0xa40 [ 1336.907934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.907934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.907934][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.907934][ T72] netlink_unicast+0x449/0x710 [ 1336.907934][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.907934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.907934][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.907934][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.907934][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.907934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.907934][ T72] [ 1336.910159][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1336.910159][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.910159][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.910159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.910159][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1336.910159][ T72] ipv6_add_addr+0x411/0x2000 [ 1336.910159][ T72] inet6_addr_add+0x30e/0xa40 [ 1336.910159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.910159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.910159][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.910159][ T72] netlink_unicast+0x449/0x710 [ 1336.910159][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.910159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.910159][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.910159][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.910159][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.910159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.910159][ T72] [ 1336.912457][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1336.912457][ T72] netdev_get_by_index+0x5e/0x80 [ 1336.912457][ T72] fib6_nh_init+0x3d8/0x1580 [ 1336.912457][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1336.912457][ T72] ip6_route_add+0x1c/0x140 [ 1336.912457][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1336.912457][ T72] addrconf_add_dev+0xe2/0x170 [ 1336.912457][ T72] inet6_addr_add+0x12f/0xa40 [ 1336.912457][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.912457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.912457][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.912457][ T72] netlink_unicast+0x449/0x710 [ 1336.912457][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.912457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.912457][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.912457][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.912457][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.912457][ T72] [ 1336.914598][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1336.914598][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1336.914598][ T72] ipv6_find_idev+0x102/0x170 [ 1336.914598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.914598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.914598][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.914598][ T72] netlink_unicast+0x449/0x710 [ 1336.914598][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.914598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.914598][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.914598][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.914598][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.914598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.914598][ T72] [ 1336.916243][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1336.916243][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1336.916243][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1336.916243][ T72] ipv6_find_idev+0x102/0x170 [ 1336.916243][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.916243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.916243][ T72] netlink_rcv_skb+0x130/0x360 [ 1336.916243][ T72] netlink_unicast+0x449/0x710 [ 1336.916243][ T72] netlink_sendmsg+0x723/0xbe0 [ 1336.916243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1336.916243][ T72] ___sys_sendmsg+0xee/0x170 [ 1336.916243][ T72] __sys_sendmsg+0xcd/0x170 [ 1336.916243][ T72] do_syscall_64+0xc6/0x1e0 [ 1336.916243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.916243][ T72] [ 1347.160969][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1347.161469][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1347.161469][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1347.161469][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1347.161469][ T72] fib6_nh_init+0xa22/0x1580 [ 1347.161469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.161469][ T72] ip6_route_add+0x1c/0x140 [ 1347.161469][ T72] inet6_rtm_newroute+0x104/0x110 [ 1347.161469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.161469][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.161469][ T72] netlink_unicast+0x449/0x710 [ 1347.161469][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.161469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.161469][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.161469][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.161469][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.161469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.161469][ T72] [ 1347.163360][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1347.163360][ T72] dst_init+0x84/0x4a0 [ 1347.163360][ T72] dst_alloc+0x97/0x150 [ 1347.163360][ T72] ip6_dst_alloc+0x23/0x90 [ 1347.163360][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1347.163360][ T72] ip6_pol_route+0x56f/0x840 [ 1347.163360][ T72] fib6_rule_lookup+0x456/0x630 [ 1347.163360][ T72] ip6_route_input+0x59c/0xa50 [ 1347.163360][ T72] ipv6_rcv+0x397/0x810 [ 1347.163360][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1347.163360][ T72] process_backlog+0x101/0x620 [ 1347.163360][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1347.163360][ T72] net_rx_action+0x495/0xbe0 [ 1347.163360][ T72] __do_softirq+0x1b5/0x7f6 [ 1347.163360][ T72] [ 1347.165560][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1347.165560][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.165560][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.165560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.165560][ T72] ip6_route_add+0x1c/0x140 [ 1347.165560][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1347.165560][ T72] inet6_addr_add+0x4f8/0xa40 [ 1347.165560][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.165560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.165560][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.165560][ T72] netlink_unicast+0x449/0x710 [ 1347.165560][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.165560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.165560][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.165560][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.165560][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.165560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.165560][ T72] [ 1347.167544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1347.167544][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.167544][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.167544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.167544][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1347.167544][ T72] ipv6_add_addr+0x411/0x2000 [ 1347.167544][ T72] inet6_addr_add+0x30e/0xa40 [ 1347.167544][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.167544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.167544][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.167544][ T72] netlink_unicast+0x449/0x710 [ 1347.167544][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.167544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.167544][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.167544][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.167544][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.167544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.167544][ T72] [ 1347.169526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1347.169526][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.169526][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.169526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.169526][ T72] ip6_route_add+0x1c/0x140 [ 1347.169526][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1347.169526][ T72] addrconf_add_dev+0xe2/0x170 [ 1347.169526][ T72] inet6_addr_add+0x12f/0xa40 [ 1347.169526][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.169526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.169526][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.169526][ T72] netlink_unicast+0x449/0x710 [ 1347.169526][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.169526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.169526][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.169526][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.169526][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.169526][ T72] [ 1347.171876][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1347.171876][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1347.171876][ T72] ipv6_find_idev+0x102/0x170 [ 1347.171876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.171876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.171876][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.171876][ T72] netlink_unicast+0x449/0x710 [ 1347.171876][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.171876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.171876][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.171876][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.171876][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.171876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.171876][ T72] [ 1347.173425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1347.173425][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1347.173425][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1347.173425][ T72] ipv6_find_idev+0x102/0x170 [ 1347.173425][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.173425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.173425][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.173425][ T72] netlink_unicast+0x449/0x710 [ 1347.173425][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.173425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.173425][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.173425][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.173425][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.173425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.173425][ T72] [ 1347.175114][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1347.175388][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1347.175388][ T72] dst_init+0x84/0x4a0 [ 1347.175388][ T72] dst_alloc+0x97/0x150 [ 1347.175388][ T72] ip6_dst_alloc+0x23/0x90 [ 1347.175388][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1347.175388][ T72] ip6_pol_route+0x56f/0x840 [ 1347.175388][ T72] fib6_rule_lookup+0x456/0x630 [ 1347.175388][ T72] ip6_route_input+0x59c/0xa50 [ 1347.175388][ T72] ipv6_rcv+0x397/0x810 [ 1347.175388][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1347.175388][ T72] process_backlog+0x101/0x620 [ 1347.175388][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1347.175388][ T72] net_rx_action+0x495/0xbe0 [ 1347.175388][ T72] __do_softirq+0x1b5/0x7f6 [ 1347.175388][ T72] [ 1347.177022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1347.177022][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.177022][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.177022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.177022][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1347.177022][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1347.177022][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1347.177022][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1347.177022][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1347.177022][ T72] addrconf_dad_begin+0x310/0x670 [ 1347.177022][ T72] addrconf_dad_work+0x10b/0xab0 [ 1347.177022][ T72] process_one_work+0x84d/0x18a0 [ 1347.177022][ T72] worker_thread+0x587/0xd30 [ 1347.177022][ T72] kthread+0x28a/0x350 [ 1347.177022][ T72] ret_from_fork+0x31/0x70 [ 1347.177022][ T72] ret_from_fork_asm+0x1a/0x30 [ 1347.177022][ T72] [ 1347.178914][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1347.178914][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.178914][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.178914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.178914][ T72] ip6_route_add+0x1c/0x140 [ 1347.178914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1347.178914][ T72] inet6_addr_add+0x4f8/0xa40 [ 1347.178914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.178914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.178914][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.178914][ T72] netlink_unicast+0x449/0x710 [ 1347.178914][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.178914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.178914][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.178914][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.178914][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.178914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.178914][ T72] [ 1347.180906][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1347.180906][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.180906][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.180906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.180906][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1347.180906][ T72] ipv6_add_addr+0x411/0x2000 [ 1347.180906][ T72] inet6_addr_add+0x30e/0xa40 [ 1347.180906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.180906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.180906][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.180906][ T72] netlink_unicast+0x449/0x710 [ 1347.180906][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.180906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.180906][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.180906][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.180906][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.180906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.180906][ T72] [ 1347.182896][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1347.182896][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.182896][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.182896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.182896][ T72] ip6_route_add+0x1c/0x140 [ 1347.182896][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1347.182896][ T72] addrconf_add_dev+0xe2/0x170 [ 1347.182896][ T72] inet6_addr_add+0x12f/0xa40 [ 1347.182896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.182896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.182896][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.182896][ T72] netlink_unicast+0x449/0x710 [ 1347.182896][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.182896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.182896][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.182896][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.182896][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.182896][ T72] [ 1347.184842][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1347.184842][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1347.184842][ T72] ipv6_find_idev+0x102/0x170 [ 1347.184842][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.184842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.184842][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.184842][ T72] netlink_unicast+0x449/0x710 [ 1347.184842][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.184842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.184842][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.184842][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.184842][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.184842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.184842][ T72] [ 1347.186377][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1347.186377][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1347.186377][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1347.186377][ T72] ipv6_find_idev+0x102/0x170 [ 1347.186377][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.186377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.186377][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.186377][ T72] netlink_unicast+0x449/0x710 [ 1347.186377][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.186377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.186377][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.186377][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.186377][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.186377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.186377][ T72] [ 1347.188100][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1347.188434][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1347.188434][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1347.188434][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1347.188434][ T72] fib6_nh_init+0xa22/0x1580 [ 1347.188434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.188434][ T72] ip6_route_add+0x1c/0x140 [ 1347.188434][ T72] inet6_rtm_newroute+0x104/0x110 [ 1347.188434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.188434][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.188434][ T72] netlink_unicast+0x449/0x710 [ 1347.188434][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.188434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.188434][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.188434][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.188434][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.188434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.188434][ T72] [ 1347.190536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1347.190536][ T72] dst_init+0x84/0x4a0 [ 1347.190536][ T72] dst_alloc+0x97/0x150 [ 1347.190536][ T72] ip6_dst_alloc+0x23/0x90 [ 1347.190536][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1347.190536][ T72] ip6_pol_route+0x56f/0x840 [ 1347.190536][ T72] fib6_rule_lookup+0x456/0x630 [ 1347.190536][ T72] ip6_route_input+0x59c/0xa50 [ 1347.190536][ T72] ipv6_rcv+0x397/0x810 [ 1347.190536][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1347.190536][ T72] process_backlog+0x101/0x620 [ 1347.190536][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1347.190536][ T72] net_rx_action+0x495/0xbe0 [ 1347.190536][ T72] __do_softirq+0x1b5/0x7f6 [ 1347.190536][ T72] [ 1347.192345][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1347.192345][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.192345][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.192345][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.192345][ T72] ip6_route_add+0x1c/0x140 [ 1347.192345][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1347.192345][ T72] inet6_addr_add+0x4f8/0xa40 [ 1347.192345][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.192345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.192345][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.192345][ T72] netlink_unicast+0x449/0x710 [ 1347.192345][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.192345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.192345][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.192345][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.192345][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.192345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.192345][ T72] [ 1347.194570][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1347.194570][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.194570][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.194570][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.194570][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1347.194570][ T72] ipv6_add_addr+0x411/0x2000 [ 1347.194570][ T72] inet6_addr_add+0x30e/0xa40 [ 1347.194570][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.194570][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.194570][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.194570][ T72] netlink_unicast+0x449/0x710 [ 1347.194570][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.194570][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.194570][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.194570][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.194570][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.194570][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.194570][ T72] [ 1347.196807][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1347.196807][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.196807][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.196807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.196807][ T72] ip6_route_add+0x1c/0x140 [ 1347.196807][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1347.196807][ T72] addrconf_add_dev+0xe2/0x170 [ 1347.196807][ T72] inet6_addr_add+0x12f/0xa40 [ 1347.196807][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.196807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.196807][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.196807][ T72] netlink_unicast+0x449/0x710 [ 1347.196807][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.196807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.196807][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.196807][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.196807][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.196807][ T72] [ 1347.199067][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1347.199067][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1347.199067][ T72] ipv6_find_idev+0x102/0x170 [ 1347.199067][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.199067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.199067][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.199067][ T72] netlink_unicast+0x449/0x710 [ 1347.199067][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.199067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.199067][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.199067][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.199067][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.199067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.199067][ T72] [ 1347.200713][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1347.200713][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1347.200713][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1347.200713][ T72] ipv6_find_idev+0x102/0x170 [ 1347.200713][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.200713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.200713][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.200713][ T72] netlink_unicast+0x449/0x710 [ 1347.200713][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.200713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.200713][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.200713][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.200713][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.200713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.200713][ T72] [ 1347.202564][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1347.202835][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1347.202835][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.202835][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.202835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.202835][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1347.202835][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1347.202835][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1347.202835][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1347.202835][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1347.202835][ T72] addrconf_dad_begin+0x310/0x670 [ 1347.202835][ T72] addrconf_dad_work+0x10b/0xab0 [ 1347.202835][ T72] process_one_work+0x84d/0x18a0 [ 1347.202835][ T72] worker_thread+0x587/0xd30 [ 1347.202835][ T72] kthread+0x28a/0x350 [ 1347.202835][ T72] ret_from_fork+0x31/0x70 [ 1347.202835][ T72] ret_from_fork_asm+0x1a/0x30 [ 1347.202835][ T72] [ 1347.204971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1347.204971][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.204971][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.204971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.204971][ T72] ip6_route_add+0x1c/0x140 [ 1347.204971][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1347.204971][ T72] inet6_addr_add+0x4f8/0xa40 [ 1347.204971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.204971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.204971][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.204971][ T72] netlink_unicast+0x449/0x710 [ 1347.204971][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.204971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.204971][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.204971][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.204971][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.204971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.204971][ T72] [ 1347.207135][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1347.207135][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.207135][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.207135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.207135][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1347.207135][ T72] ipv6_add_addr+0x411/0x2000 [ 1347.207135][ T72] inet6_addr_add+0x30e/0xa40 [ 1347.207135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.207135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.207135][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.207135][ T72] netlink_unicast+0x449/0x710 [ 1347.207135][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.207135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.207135][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.207135][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.207135][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.207135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.207135][ T72] [ 1347.209520][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1347.209520][ T72] netdev_get_by_index+0x5e/0x80 [ 1347.209520][ T72] fib6_nh_init+0x3d8/0x1580 [ 1347.209520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1347.209520][ T72] ip6_route_add+0x1c/0x140 [ 1347.209520][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1347.209520][ T72] addrconf_add_dev+0xe2/0x170 [ 1347.209520][ T72] inet6_addr_add+0x12f/0xa40 [ 1347.209520][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.209520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.209520][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.209520][ T72] netlink_unicast+0x449/0x710 [ 1347.209520][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.209520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.209520][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.209520][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.209520][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.209520][ T72] [ 1347.211721][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1347.211721][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1347.211721][ T72] ipv6_find_idev+0x102/0x170 [ 1347.211721][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.211721][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.211721][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.211721][ T72] netlink_unicast+0x449/0x710 [ 1347.211721][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.211721][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.211721][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.211721][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.211721][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.211721][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.211721][ T72] [ 1347.213371][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1347.213371][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1347.213371][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1347.213371][ T72] ipv6_find_idev+0x102/0x170 [ 1347.213371][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.213371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.213371][ T72] netlink_rcv_skb+0x130/0x360 [ 1347.213371][ T72] netlink_unicast+0x449/0x710 [ 1347.213371][ T72] netlink_sendmsg+0x723/0xbe0 [ 1347.213371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1347.213371][ T72] ___sys_sendmsg+0xee/0x170 [ 1347.213371][ T72] __sys_sendmsg+0xcd/0x170 [ 1347.213371][ T72] do_syscall_64+0xc6/0x1e0 [ 1347.213371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.213371][ T72] [ 1353.000944][ T42] INFO: task modprobe:885 blocked for more than 1228 seconds. [ 1353.001280][ T42] Not tainted 6.8.0-virtme #1 [ 1353.001403][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.001615][ T42] task:modprobe state:D stack:25856 pid:885 tgid:885 ppid:39 flags:0x00004002 [ 1353.001906][ T42] Call Trace: [ 1353.002005][ T42] [ 1353.002082][ T42] __schedule+0x705/0x1ac0 [ 1353.002221][ T42] ? __pfx___schedule+0x10/0x10 [ 1353.002348][ T42] ? schedule+0x1a5/0x210 [ 1353.002450][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.002588][ T42] ? schedule+0x1a5/0x210 [ 1353.002688][ T42] schedule+0xdf/0x210 [ 1353.002787][ T42] schedule_preempt_disabled+0x15/0x30 [ 1353.002927][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1353.003062][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1353.003226][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.003358][ T42] ? lock_acquire+0x1c1/0x220 [ 1353.003482][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1353.003618][ T42] down_write+0x1c9/0x200 [ 1353.003716][ T42] ? __pfx_down_write+0x10/0x10 [ 1353.003855][ T42] ? __lock_release+0x103/0x460 [ 1353.003980][ T42] ? __create_object+0x5e/0xb0 [ 1353.004112][ T42] ? __pfx___lock_release+0x10/0x10 [ 1353.004246][ T42] register_pernet_subsys+0x1a/0x50 [ 1353.004373][ T42] tcf_register_action+0xa3/0x600 [ 1353.004502][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 1353.004665][ T42] do_one_initcall+0xc8/0x3f0 [ 1353.004805][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1353.004938][ T42] ? __create_object+0x5e/0xb0 [ 1353.005066][ T42] ? kasan_unpoison+0x27/0x60 [ 1353.005198][ T42] do_init_module+0x233/0x740 [ 1353.005338][ T42] load_module+0x16b5/0x2350 [ 1353.005475][ T42] ? __pfx_load_module+0x10/0x10 [ 1353.005608][ T42] ? kernel_read_file+0x3d2/0x520 [ 1353.005742][ T42] ? kernel_read_file+0x300/0x520 [ 1353.005882][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1353.006015][ T42] ? init_module_from_file+0xd2/0x130 [ 1353.006141][ T42] init_module_from_file+0xd2/0x130 [ 1353.006266][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1353.006425][ T42] ? __lock_release+0x103/0x460 [ 1353.006552][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.006688][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.006835][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1353.006967][ T42] idempotent_init_module+0x342/0x620 [ 1353.007096][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1353.007272][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1353.007404][ T42] do_syscall_64+0xc6/0x1e0 [ 1353.007534][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1353.007691][ T42] RIP: 0033:0x7f41a8dc5e5d [ 1353.007831][ T42] RSP: 002b:00007ffcad7fac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1353.008018][ T42] RAX: ffffffffffffffda RBX: 000055c3db83dc80 RCX: 00007f41a8dc5e5d [ 1353.008207][ T42] RDX: 0000000000000000 RSI: 000055c3b34f3a2a RDI: 0000000000000000 [ 1353.008393][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffcad7fad80 [ 1353.008575][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3b34f3a2a [ 1353.008760][ T42] R13: 000055c3db83dac0 R14: 000055c3db83e0b0 R15: 000055c3db83dcf2 [ 1353.008971][ T42] [ 1353.009067][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.009275][ T42] [ 1353.009275][ T42] Showing all locks held in the system: [ 1353.009455][ T42] 2 locks held by kworker/u20:0/39: [ 1353.009576][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.009841][ T42] #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.010117][ T42] 1 lock held by khungtaskd/42: [ 1353.010239][ T42] #0: ffffffff9f3591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1353.010491][ T42] 3 locks held by kworker/u16:1/72: [ 1353.010614][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.010883][ T42] #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.011109][ T42] #2: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1353.011342][ T42] 1 lock held by modprobe/885: [ 1353.011465][ T42] #0: ffffffff9fb6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1353.011712][ T42] [ 1353.011776][ T42] ============================================= [ 1353.011776][ T42] [ 1357.225080][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1357.225625][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1357.225625][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1357.225625][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1357.225625][ T72] fib6_nh_init+0xa22/0x1580 [ 1357.225625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.225625][ T72] ip6_route_add+0x1c/0x140 [ 1357.225625][ T72] inet6_rtm_newroute+0x104/0x110 [ 1357.225625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.225625][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.225625][ T72] netlink_unicast+0x449/0x710 [ 1357.225625][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.225625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.225625][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.225625][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.225625][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.225625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.225625][ T72] [ 1357.227549][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1357.227549][ T72] dst_init+0x84/0x4a0 [ 1357.227549][ T72] dst_alloc+0x97/0x150 [ 1357.227549][ T72] ip6_dst_alloc+0x23/0x90 [ 1357.227549][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1357.227549][ T72] ip6_pol_route+0x56f/0x840 [ 1357.227549][ T72] fib6_rule_lookup+0x456/0x630 [ 1357.227549][ T72] ip6_route_input+0x59c/0xa50 [ 1357.227549][ T72] ipv6_rcv+0x397/0x810 [ 1357.227549][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1357.227549][ T72] process_backlog+0x101/0x620 [ 1357.227549][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1357.227549][ T72] net_rx_action+0x495/0xbe0 [ 1357.227549][ T72] __do_softirq+0x1b5/0x7f6 [ 1357.227549][ T72] [ 1357.229195][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1357.229195][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.229195][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.229195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.229195][ T72] ip6_route_add+0x1c/0x140 [ 1357.229195][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1357.229195][ T72] inet6_addr_add+0x4f8/0xa40 [ 1357.229195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.229195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.229195][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.229195][ T72] netlink_unicast+0x449/0x710 [ 1357.229195][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.229195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.229195][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.229195][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.229195][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.229195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.229195][ T72] [ 1357.231205][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1357.231205][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.231205][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.231205][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.231205][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1357.231205][ T72] ipv6_add_addr+0x411/0x2000 [ 1357.231205][ T72] inet6_addr_add+0x30e/0xa40 [ 1357.231205][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.231205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.231205][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.231205][ T72] netlink_unicast+0x449/0x710 [ 1357.231205][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.231205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.231205][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.231205][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.231205][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.231205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.231205][ T72] [ 1357.233215][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1357.233215][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.233215][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.233215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.233215][ T72] ip6_route_add+0x1c/0x140 [ 1357.233215][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1357.233215][ T72] addrconf_add_dev+0xe2/0x170 [ 1357.233215][ T72] inet6_addr_add+0x12f/0xa40 [ 1357.233215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.233215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.233215][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.233215][ T72] netlink_unicast+0x449/0x710 [ 1357.233215][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.233215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.233215][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.233215][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.233215][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.233215][ T72] [ 1357.235180][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1357.235180][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1357.235180][ T72] ipv6_find_idev+0x102/0x170 [ 1357.235180][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.235180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.235180][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.235180][ T72] netlink_unicast+0x449/0x710 [ 1357.235180][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.235180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.235180][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.235180][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.235180][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.235180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.235180][ T72] [ 1357.236720][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1357.236720][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1357.236720][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1357.236720][ T72] ipv6_find_idev+0x102/0x170 [ 1357.236720][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.236720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.236720][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.236720][ T72] netlink_unicast+0x449/0x710 [ 1357.236720][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.236720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.236720][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.236720][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.236720][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.236720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.236720][ T72] [ 1357.238426][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1357.238700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1357.238700][ T72] dst_init+0x84/0x4a0 [ 1357.238700][ T72] dst_alloc+0x97/0x150 [ 1357.238700][ T72] ip6_dst_alloc+0x23/0x90 [ 1357.238700][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1357.238700][ T72] ip6_pol_route+0x56f/0x840 [ 1357.238700][ T72] fib6_rule_lookup+0x456/0x630 [ 1357.238700][ T72] ip6_route_input+0x59c/0xa50 [ 1357.238700][ T72] ipv6_rcv+0x397/0x810 [ 1357.238700][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1357.238700][ T72] process_backlog+0x101/0x620 [ 1357.238700][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1357.238700][ T72] net_rx_action+0x495/0xbe0 [ 1357.238700][ T72] __do_softirq+0x1b5/0x7f6 [ 1357.238700][ T72] [ 1357.240350][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1357.240350][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.240350][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.240350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.240350][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1357.240350][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1357.240350][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1357.240350][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1357.240350][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1357.240350][ T72] addrconf_dad_begin+0x310/0x670 [ 1357.240350][ T72] addrconf_dad_work+0x10b/0xab0 [ 1357.240350][ T72] process_one_work+0x84d/0x18a0 [ 1357.240350][ T72] worker_thread+0x587/0xd30 [ 1357.240350][ T72] kthread+0x28a/0x350 [ 1357.240350][ T72] ret_from_fork+0x31/0x70 [ 1357.240350][ T72] ret_from_fork_asm+0x1a/0x30 [ 1357.240350][ T72] [ 1357.242258][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1357.242258][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.242258][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.242258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.242258][ T72] ip6_route_add+0x1c/0x140 [ 1357.242258][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1357.242258][ T72] inet6_addr_add+0x4f8/0xa40 [ 1357.242258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.242258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.242258][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.242258][ T72] netlink_unicast+0x449/0x710 [ 1357.242258][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.242258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.242258][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.242258][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.242258][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.242258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.242258][ T72] [ 1357.244269][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1357.244269][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.244269][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.244269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.244269][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1357.244269][ T72] ipv6_add_addr+0x411/0x2000 [ 1357.244269][ T72] inet6_addr_add+0x30e/0xa40 [ 1357.244269][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.244269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.244269][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.244269][ T72] netlink_unicast+0x449/0x710 [ 1357.244269][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.244269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.244269][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.244269][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.244269][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.244269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.244269][ T72] [ 1357.246253][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1357.246253][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.246253][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.246253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.246253][ T72] ip6_route_add+0x1c/0x140 [ 1357.246253][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1357.246253][ T72] addrconf_add_dev+0xe2/0x170 [ 1357.246253][ T72] inet6_addr_add+0x12f/0xa40 [ 1357.246253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.246253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.246253][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.246253][ T72] netlink_unicast+0x449/0x710 [ 1357.246253][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.246253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.246253][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.246253][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.246253][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.246253][ T72] [ 1357.248213][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1357.248213][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1357.248213][ T72] ipv6_find_idev+0x102/0x170 [ 1357.248213][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.248213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.248213][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.248213][ T72] netlink_unicast+0x449/0x710 [ 1357.248213][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.248213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.248213][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.248213][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.248213][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.248213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.248213][ T72] [ 1357.249751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1357.249751][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1357.249751][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1357.249751][ T72] ipv6_find_idev+0x102/0x170 [ 1357.249751][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.249751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.249751][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.249751][ T72] netlink_unicast+0x449/0x710 [ 1357.249751][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.249751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.249751][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.249751][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.249751][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.249751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.249751][ T72] [ 1357.251534][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1357.251877][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1357.251877][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1357.251877][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1357.251877][ T72] fib6_nh_init+0xa22/0x1580 [ 1357.251877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.251877][ T72] ip6_route_add+0x1c/0x140 [ 1357.251877][ T72] inet6_rtm_newroute+0x104/0x110 [ 1357.251877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.251877][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.251877][ T72] netlink_unicast+0x449/0x710 [ 1357.251877][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.251877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.251877][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.251877][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.251877][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.251877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.251877][ T72] [ 1357.254051][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1357.254051][ T72] dst_init+0x84/0x4a0 [ 1357.254051][ T72] dst_alloc+0x97/0x150 [ 1357.254051][ T72] ip6_dst_alloc+0x23/0x90 [ 1357.254051][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1357.254051][ T72] ip6_pol_route+0x56f/0x840 [ 1357.254051][ T72] fib6_rule_lookup+0x456/0x630 [ 1357.254051][ T72] ip6_route_input+0x59c/0xa50 [ 1357.254051][ T72] ipv6_rcv+0x397/0x810 [ 1357.254051][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1357.254051][ T72] process_backlog+0x101/0x620 [ 1357.254051][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1357.254051][ T72] net_rx_action+0x495/0xbe0 [ 1357.254051][ T72] __do_softirq+0x1b5/0x7f6 [ 1357.254051][ T72] [ 1357.255895][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1357.255895][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.255895][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.255895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.255895][ T72] ip6_route_add+0x1c/0x140 [ 1357.255895][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1357.255895][ T72] inet6_addr_add+0x4f8/0xa40 [ 1357.255895][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.255895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.255895][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.255895][ T72] netlink_unicast+0x449/0x710 [ 1357.255895][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.255895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.255895][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.255895][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.255895][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.255895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.255895][ T72] [ 1357.258148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1357.258148][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.258148][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.258148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.258148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1357.258148][ T72] ipv6_add_addr+0x411/0x2000 [ 1357.258148][ T72] inet6_addr_add+0x30e/0xa40 [ 1357.258148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.258148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.258148][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.258148][ T72] netlink_unicast+0x449/0x710 [ 1357.258148][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.258148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.258148][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.258148][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.258148][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.258148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.258148][ T72] [ 1357.260338][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1357.260338][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.260338][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.260338][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.260338][ T72] ip6_route_add+0x1c/0x140 [ 1357.260338][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1357.260338][ T72] addrconf_add_dev+0xe2/0x170 [ 1357.260338][ T72] inet6_addr_add+0x12f/0xa40 [ 1357.260338][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.260338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.260338][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.260338][ T72] netlink_unicast+0x449/0x710 [ 1357.260338][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.260338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.260338][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.260338][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.260338][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.260338][ T72] [ 1357.262618][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1357.262618][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1357.262618][ T72] ipv6_find_idev+0x102/0x170 [ 1357.262618][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.262618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.262618][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.262618][ T72] netlink_unicast+0x449/0x710 [ 1357.262618][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.262618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.262618][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.262618][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.262618][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.262618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.262618][ T72] [ 1357.264343][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1357.264343][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1357.264343][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1357.264343][ T72] ipv6_find_idev+0x102/0x170 [ 1357.264343][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.264343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.264343][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.264343][ T72] netlink_unicast+0x449/0x710 [ 1357.264343][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.264343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.264343][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.264343][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.264343][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.264343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.264343][ T72] [ 1357.266232][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1357.266515][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1357.266515][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.266515][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.266515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.266515][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1357.266515][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1357.266515][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1357.266515][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1357.266515][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1357.266515][ T72] addrconf_dad_begin+0x310/0x670 [ 1357.266515][ T72] addrconf_dad_work+0x10b/0xab0 [ 1357.266515][ T72] process_one_work+0x84d/0x18a0 [ 1357.266515][ T72] worker_thread+0x587/0xd30 [ 1357.266515][ T72] kthread+0x28a/0x350 [ 1357.266515][ T72] ret_from_fork+0x31/0x70 [ 1357.266515][ T72] ret_from_fork_asm+0x1a/0x30 [ 1357.266515][ T72] [ 1357.268671][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1357.268671][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.268671][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.268671][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.268671][ T72] ip6_route_add+0x1c/0x140 [ 1357.268671][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1357.268671][ T72] inet6_addr_add+0x4f8/0xa40 [ 1357.268671][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.268671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.268671][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.268671][ T72] netlink_unicast+0x449/0x710 [ 1357.268671][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.268671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.268671][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.268671][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.268671][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.268671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.268671][ T72] [ 1357.270936][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1357.270936][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.270936][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.270936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.270936][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1357.270936][ T72] ipv6_add_addr+0x411/0x2000 [ 1357.270936][ T72] inet6_addr_add+0x30e/0xa40 [ 1357.270936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.270936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.270936][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.270936][ T72] netlink_unicast+0x449/0x710 [ 1357.270936][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.270936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.270936][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.270936][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.270936][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.270936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.270936][ T72] [ 1357.273302][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1357.273302][ T72] netdev_get_by_index+0x5e/0x80 [ 1357.273302][ T72] fib6_nh_init+0x3d8/0x1580 [ 1357.273302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1357.273302][ T72] ip6_route_add+0x1c/0x140 [ 1357.273302][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1357.273302][ T72] addrconf_add_dev+0xe2/0x170 [ 1357.273302][ T72] inet6_addr_add+0x12f/0xa40 [ 1357.273302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.273302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.273302][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.273302][ T72] netlink_unicast+0x449/0x710 [ 1357.273302][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.273302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.273302][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.273302][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.273302][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.273302][ T72] [ 1357.275526][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1357.275526][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1357.275526][ T72] ipv6_find_idev+0x102/0x170 [ 1357.275526][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.275526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.275526][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.275526][ T72] netlink_unicast+0x449/0x710 [ 1357.275526][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.275526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.275526][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.275526][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.275526][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.275526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.275526][ T72] [ 1357.277191][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1357.277191][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1357.277191][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1357.277191][ T72] ipv6_find_idev+0x102/0x170 [ 1357.277191][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.277191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.277191][ T72] netlink_rcv_skb+0x130/0x360 [ 1357.277191][ T72] netlink_unicast+0x449/0x710 [ 1357.277191][ T72] netlink_sendmsg+0x723/0xbe0 [ 1357.277191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1357.277191][ T72] ___sys_sendmsg+0xee/0x170 [ 1357.277191][ T72] __sys_sendmsg+0xcd/0x170 [ 1357.277191][ T72] do_syscall_64+0xc6/0x1e0 [ 1357.277191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.277191][ T72] [ 1367.481007][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1367.481567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1367.481567][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1367.481567][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1367.481567][ T72] fib6_nh_init+0xa22/0x1580 [ 1367.481567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.481567][ T72] ip6_route_add+0x1c/0x140 [ 1367.481567][ T72] inet6_rtm_newroute+0x104/0x110 [ 1367.481567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.481567][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.481567][ T72] netlink_unicast+0x449/0x710 [ 1367.481567][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.481567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.481567][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.481567][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.481567][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.481567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.481567][ T72] [ 1367.483869][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1367.483869][ T72] dst_init+0x84/0x4a0 [ 1367.483869][ T72] dst_alloc+0x97/0x150 [ 1367.483869][ T72] ip6_dst_alloc+0x23/0x90 [ 1367.483869][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1367.483869][ T72] ip6_pol_route+0x56f/0x840 [ 1367.483869][ T72] fib6_rule_lookup+0x456/0x630 [ 1367.483869][ T72] ip6_route_input+0x59c/0xa50 [ 1367.483869][ T72] ipv6_rcv+0x397/0x810 [ 1367.483869][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1367.483869][ T72] process_backlog+0x101/0x620 [ 1367.483869][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1367.483869][ T72] net_rx_action+0x495/0xbe0 [ 1367.483869][ T72] __do_softirq+0x1b5/0x7f6 [ 1367.483869][ T72] [ 1367.485875][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1367.485875][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.485875][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.485875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.485875][ T72] ip6_route_add+0x1c/0x140 [ 1367.485875][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1367.485875][ T72] inet6_addr_add+0x4f8/0xa40 [ 1367.485875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.485875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.485875][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.485875][ T72] netlink_unicast+0x449/0x710 [ 1367.485875][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.485875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.485875][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.485875][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.485875][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.485875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.485875][ T72] [ 1367.488308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1367.488308][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.488308][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.488308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.488308][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1367.488308][ T72] ipv6_add_addr+0x411/0x2000 [ 1367.488308][ T72] inet6_addr_add+0x30e/0xa40 [ 1367.488308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.488308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.488308][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.488308][ T72] netlink_unicast+0x449/0x710 [ 1367.488308][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.488308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.488308][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.488308][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.488308][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.488308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.488308][ T72] [ 1367.490749][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1367.490749][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.490749][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.490749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.490749][ T72] ip6_route_add+0x1c/0x140 [ 1367.490749][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1367.490749][ T72] addrconf_add_dev+0xe2/0x170 [ 1367.490749][ T72] inet6_addr_add+0x12f/0xa40 [ 1367.490749][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.490749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.490749][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.490749][ T72] netlink_unicast+0x449/0x710 [ 1367.490749][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.490749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.490749][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.490749][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.490749][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.490749][ T72] [ 1367.493152][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1367.493152][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1367.493152][ T72] ipv6_find_idev+0x102/0x170 [ 1367.493152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.493152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.493152][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.493152][ T72] netlink_unicast+0x449/0x710 [ 1367.493152][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.493152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.493152][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.493152][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.493152][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.493152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.493152][ T72] [ 1367.495109][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1367.495109][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1367.495109][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1367.495109][ T72] ipv6_find_idev+0x102/0x170 [ 1367.495109][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.495109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.495109][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.495109][ T72] netlink_unicast+0x449/0x710 [ 1367.495109][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.495109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.495109][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.495109][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.495109][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.495109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.495109][ T72] [ 1367.496816][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1367.497097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1367.497097][ T72] dst_init+0x84/0x4a0 [ 1367.497097][ T72] dst_alloc+0x97/0x150 [ 1367.497097][ T72] ip6_dst_alloc+0x23/0x90 [ 1367.497097][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1367.497097][ T72] ip6_pol_route+0x56f/0x840 [ 1367.497097][ T72] fib6_rule_lookup+0x456/0x630 [ 1367.497097][ T72] ip6_route_input+0x59c/0xa50 [ 1367.497097][ T72] ipv6_rcv+0x397/0x810 [ 1367.497097][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1367.497097][ T72] process_backlog+0x101/0x620 [ 1367.497097][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1367.497097][ T72] net_rx_action+0x495/0xbe0 [ 1367.497097][ T72] __do_softirq+0x1b5/0x7f6 [ 1367.497097][ T72] [ 1367.499275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1367.499275][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.499275][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.499275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.499275][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1367.499275][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1367.499275][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1367.499275][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1367.499275][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1367.499275][ T72] addrconf_dad_begin+0x310/0x670 [ 1367.499275][ T72] addrconf_dad_work+0x10b/0xab0 [ 1367.499275][ T72] process_one_work+0x84d/0x18a0 [ 1367.499275][ T72] worker_thread+0x587/0xd30 [ 1367.499275][ T72] kthread+0x28a/0x350 [ 1367.499275][ T72] ret_from_fork+0x31/0x70 [ 1367.499275][ T72] ret_from_fork_asm+0x1a/0x30 [ 1367.499275][ T72] [ 1367.501577][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1367.501577][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.501577][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.501577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.501577][ T72] ip6_route_add+0x1c/0x140 [ 1367.501577][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1367.501577][ T72] inet6_addr_add+0x4f8/0xa40 [ 1367.501577][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.501577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.501577][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.501577][ T72] netlink_unicast+0x449/0x710 [ 1367.501577][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.501577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.501577][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.501577][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.501577][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.501577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.501577][ T72] [ 1367.503566][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1367.503566][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.503566][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.503566][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.503566][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1367.503566][ T72] ipv6_add_addr+0x411/0x2000 [ 1367.503566][ T72] inet6_addr_add+0x30e/0xa40 [ 1367.503566][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.503566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.503566][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.503566][ T72] netlink_unicast+0x449/0x710 [ 1367.503566][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.503566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.503566][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.503566][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.503566][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.503566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.503566][ T72] [ 1367.505557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1367.505557][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.505557][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.505557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.505557][ T72] ip6_route_add+0x1c/0x140 [ 1367.505557][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1367.505557][ T72] addrconf_add_dev+0xe2/0x170 [ 1367.505557][ T72] inet6_addr_add+0x12f/0xa40 [ 1367.505557][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.505557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.505557][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.505557][ T72] netlink_unicast+0x449/0x710 [ 1367.505557][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.505557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.505557][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.505557][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.505557][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.505557][ T72] [ 1367.507503][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1367.507503][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1367.507503][ T72] ipv6_find_idev+0x102/0x170 [ 1367.507503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.507503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.507503][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.507503][ T72] netlink_unicast+0x449/0x710 [ 1367.507503][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.507503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.507503][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.507503][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.507503][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.507503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.507503][ T72] [ 1367.509030][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1367.509030][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1367.509030][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1367.509030][ T72] ipv6_find_idev+0x102/0x170 [ 1367.509030][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.509030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.509030][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.509030][ T72] netlink_unicast+0x449/0x710 [ 1367.509030][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.509030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.509030][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.509030][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.509030][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.509030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.509030][ T72] [ 1367.510838][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1367.511107][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1367.511107][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1367.511107][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1367.511107][ T72] fib6_nh_init+0xa22/0x1580 [ 1367.511107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.511107][ T72] ip6_route_add+0x1c/0x140 [ 1367.511107][ T72] inet6_rtm_newroute+0x104/0x110 [ 1367.511107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.511107][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.511107][ T72] netlink_unicast+0x449/0x710 [ 1367.511107][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.511107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.511107][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.511107][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.511107][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.511107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.511107][ T72] [ 1367.513220][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1367.513220][ T72] dst_init+0x84/0x4a0 [ 1367.513220][ T72] dst_alloc+0x97/0x150 [ 1367.513220][ T72] ip6_dst_alloc+0x23/0x90 [ 1367.513220][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1367.513220][ T72] ip6_pol_route+0x56f/0x840 [ 1367.513220][ T72] fib6_rule_lookup+0x456/0x630 [ 1367.513220][ T72] ip6_route_input+0x59c/0xa50 [ 1367.513220][ T72] ipv6_rcv+0x397/0x810 [ 1367.513220][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1367.513220][ T72] process_backlog+0x101/0x620 [ 1367.513220][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1367.513220][ T72] net_rx_action+0x495/0xbe0 [ 1367.513220][ T72] __do_softirq+0x1b5/0x7f6 [ 1367.513220][ T72] [ 1367.515083][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1367.515083][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.515083][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.515083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.515083][ T72] ip6_route_add+0x1c/0x140 [ 1367.515083][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1367.515083][ T72] inet6_addr_add+0x4f8/0xa40 [ 1367.515083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.515083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.515083][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.515083][ T72] netlink_unicast+0x449/0x710 [ 1367.515083][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.515083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.515083][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.515083][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.515083][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.515083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.515083][ T72] [ 1367.517249][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1367.517249][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.517249][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.517249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.517249][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1367.517249][ T72] ipv6_add_addr+0x411/0x2000 [ 1367.517249][ T72] inet6_addr_add+0x30e/0xa40 [ 1367.517249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.517249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.517249][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.517249][ T72] netlink_unicast+0x449/0x710 [ 1367.517249][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.517249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.517249][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.517249][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.517249][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.517249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.517249][ T72] [ 1367.519474][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1367.519474][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.519474][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.519474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.519474][ T72] ip6_route_add+0x1c/0x140 [ 1367.519474][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1367.519474][ T72] addrconf_add_dev+0xe2/0x170 [ 1367.519474][ T72] inet6_addr_add+0x12f/0xa40 [ 1367.519474][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.519474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.519474][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.519474][ T72] netlink_unicast+0x449/0x710 [ 1367.519474][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.519474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.519474][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.519474][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.519474][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.519474][ T72] [ 1367.521744][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1367.521744][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1367.521744][ T72] ipv6_find_idev+0x102/0x170 [ 1367.521744][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.521744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.521744][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.521744][ T72] netlink_unicast+0x449/0x710 [ 1367.521744][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.521744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.521744][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.521744][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.521744][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.521744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.521744][ T72] [ 1367.523397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1367.523397][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1367.523397][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1367.523397][ T72] ipv6_find_idev+0x102/0x170 [ 1367.523397][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.523397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.523397][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.523397][ T72] netlink_unicast+0x449/0x710 [ 1367.523397][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.523397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.523397][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.523397][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.523397][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.523397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.523397][ T72] [ 1367.525264][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1367.525605][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1367.525605][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.525605][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.525605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.525605][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1367.525605][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1367.525605][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1367.525605][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1367.525605][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1367.525605][ T72] addrconf_dad_begin+0x310/0x670 [ 1367.525605][ T72] addrconf_dad_work+0x10b/0xab0 [ 1367.525605][ T72] process_one_work+0x84d/0x18a0 [ 1367.525605][ T72] worker_thread+0x587/0xd30 [ 1367.525605][ T72] kthread+0x28a/0x350 [ 1367.525605][ T72] ret_from_fork+0x31/0x70 [ 1367.525605][ T72] ret_from_fork_asm+0x1a/0x30 [ 1367.525605][ T72] [ 1367.527691][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1367.527691][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.527691][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.527691][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.527691][ T72] ip6_route_add+0x1c/0x140 [ 1367.527691][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1367.527691][ T72] inet6_addr_add+0x4f8/0xa40 [ 1367.527691][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.527691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.527691][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.527691][ T72] netlink_unicast+0x449/0x710 [ 1367.527691][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.527691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.527691][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.527691][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.527691][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.527691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.527691][ T72] [ 1367.529918][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1367.529918][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.529918][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.529918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.529918][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1367.529918][ T72] ipv6_add_addr+0x411/0x2000 [ 1367.529918][ T72] inet6_addr_add+0x30e/0xa40 [ 1367.529918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.529918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.529918][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.529918][ T72] netlink_unicast+0x449/0x710 [ 1367.529918][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.529918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.529918][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.529918][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.529918][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.529918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.529918][ T72] [ 1367.532210][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1367.532210][ T72] netdev_get_by_index+0x5e/0x80 [ 1367.532210][ T72] fib6_nh_init+0x3d8/0x1580 [ 1367.532210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1367.532210][ T72] ip6_route_add+0x1c/0x140 [ 1367.532210][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1367.532210][ T72] addrconf_add_dev+0xe2/0x170 [ 1367.532210][ T72] inet6_addr_add+0x12f/0xa40 [ 1367.532210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.532210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.532210][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.532210][ T72] netlink_unicast+0x449/0x710 [ 1367.532210][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.532210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.532210][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.532210][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.532210][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.532210][ T72] [ 1367.534402][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1367.534402][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1367.534402][ T72] ipv6_find_idev+0x102/0x170 [ 1367.534402][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.534402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.534402][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.534402][ T72] netlink_unicast+0x449/0x710 [ 1367.534402][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.534402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.534402][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.534402][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.534402][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.534402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.534402][ T72] [ 1367.536112][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1367.536112][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1367.536112][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1367.536112][ T72] ipv6_find_idev+0x102/0x170 [ 1367.536112][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.536112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.536112][ T72] netlink_rcv_skb+0x130/0x360 [ 1367.536112][ T72] netlink_unicast+0x449/0x710 [ 1367.536112][ T72] netlink_sendmsg+0x723/0xbe0 [ 1367.536112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1367.536112][ T72] ___sys_sendmsg+0xee/0x170 [ 1367.536112][ T72] __sys_sendmsg+0xcd/0x170 [ 1367.536112][ T72] do_syscall_64+0xc6/0x1e0 [ 1367.536112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.536112][ T72] [ 1377.776878][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1377.777346][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1377.777346][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1377.777346][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1377.777346][ T72] fib6_nh_init+0xa22/0x1580 [ 1377.777346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.777346][ T72] ip6_route_add+0x1c/0x140 [ 1377.777346][ T72] inet6_rtm_newroute+0x104/0x110 [ 1377.777346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.777346][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.777346][ T72] netlink_unicast+0x449/0x710 [ 1377.777346][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.777346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.777346][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.777346][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.777346][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.777346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.777346][ T72] [ 1377.779248][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1377.779248][ T72] dst_init+0x84/0x4a0 [ 1377.779248][ T72] dst_alloc+0x97/0x150 [ 1377.779248][ T72] ip6_dst_alloc+0x23/0x90 [ 1377.779248][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1377.779248][ T72] ip6_pol_route+0x56f/0x840 [ 1377.779248][ T72] fib6_rule_lookup+0x456/0x630 [ 1377.779248][ T72] ip6_route_input+0x59c/0xa50 [ 1377.779248][ T72] ipv6_rcv+0x397/0x810 [ 1377.779248][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1377.779248][ T72] process_backlog+0x101/0x620 [ 1377.779248][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1377.779248][ T72] net_rx_action+0x495/0xbe0 [ 1377.779248][ T72] __do_softirq+0x1b5/0x7f6 [ 1377.779248][ T72] [ 1377.780873][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1377.780873][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.780873][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.780873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.780873][ T72] ip6_route_add+0x1c/0x140 [ 1377.780873][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1377.780873][ T72] inet6_addr_add+0x4f8/0xa40 [ 1377.780873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.780873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.780873][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.780873][ T72] netlink_unicast+0x449/0x710 [ 1377.780873][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.780873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.780873][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.780873][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.780873][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.780873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.780873][ T72] [ 1377.782857][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1377.782857][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.782857][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.782857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.782857][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1377.782857][ T72] ipv6_add_addr+0x411/0x2000 [ 1377.782857][ T72] inet6_addr_add+0x30e/0xa40 [ 1377.782857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.782857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.782857][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.782857][ T72] netlink_unicast+0x449/0x710 [ 1377.782857][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.782857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.782857][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.782857][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.782857][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.782857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.782857][ T72] [ 1377.784832][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1377.784832][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.784832][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.784832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.784832][ T72] ip6_route_add+0x1c/0x140 [ 1377.784832][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1377.784832][ T72] addrconf_add_dev+0xe2/0x170 [ 1377.784832][ T72] inet6_addr_add+0x12f/0xa40 [ 1377.784832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.784832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.784832][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.784832][ T72] netlink_unicast+0x449/0x710 [ 1377.784832][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.784832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.784832][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.784832][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.784832][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.784832][ T72] [ 1377.786808][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1377.786808][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1377.786808][ T72] ipv6_find_idev+0x102/0x170 [ 1377.786808][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1377.786808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.786808][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.786808][ T72] netlink_unicast+0x449/0x710 [ 1377.786808][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.786808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.786808][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.786808][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.786808][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.786808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.786808][ T72] [ 1377.788336][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1377.788336][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1377.788336][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1377.788336][ T72] ipv6_find_idev+0x102/0x170 [ 1377.788336][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1377.788336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.788336][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.788336][ T72] netlink_unicast+0x449/0x710 [ 1377.788336][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.788336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.788336][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.788336][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.788336][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.788336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.788336][ T72] [ 1377.790021][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1377.790287][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1377.790287][ T72] dst_init+0x84/0x4a0 [ 1377.790287][ T72] dst_alloc+0x97/0x150 [ 1377.790287][ T72] ip6_dst_alloc+0x23/0x90 [ 1377.790287][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1377.790287][ T72] ip6_pol_route+0x56f/0x840 [ 1377.790287][ T72] fib6_rule_lookup+0x456/0x630 [ 1377.790287][ T72] ip6_route_input+0x59c/0xa50 [ 1377.790287][ T72] ipv6_rcv+0x397/0x810 [ 1377.790287][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1377.790287][ T72] process_backlog+0x101/0x620 [ 1377.790287][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1377.790287][ T72] net_rx_action+0x495/0xbe0 [ 1377.790287][ T72] __do_softirq+0x1b5/0x7f6 [ 1377.790287][ T72] [ 1377.791921][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1377.791921][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.791921][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.791921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.791921][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1377.791921][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1377.791921][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1377.791921][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1377.791921][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1377.791921][ T72] addrconf_dad_begin+0x310/0x670 [ 1377.791921][ T72] addrconf_dad_work+0x10b/0xab0 [ 1377.791921][ T72] process_one_work+0x84d/0x18a0 [ 1377.791921][ T72] worker_thread+0x587/0xd30 [ 1377.791921][ T72] kthread+0x28a/0x350 [ 1377.791921][ T72] ret_from_fork+0x31/0x70 [ 1377.791921][ T72] ret_from_fork_asm+0x1a/0x30 [ 1377.791921][ T72] [ 1377.793832][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1377.793832][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.793832][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.793832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.793832][ T72] ip6_route_add+0x1c/0x140 [ 1377.793832][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1377.793832][ T72] inet6_addr_add+0x4f8/0xa40 [ 1377.793832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.793832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.793832][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.793832][ T72] netlink_unicast+0x449/0x710 [ 1377.793832][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.793832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.793832][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.793832][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.793832][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.793832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.793832][ T72] [ 1377.795810][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1377.795810][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.795810][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.795810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.795810][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1377.795810][ T72] ipv6_add_addr+0x411/0x2000 [ 1377.795810][ T72] inet6_addr_add+0x30e/0xa40 [ 1377.795810][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.795810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.795810][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.795810][ T72] netlink_unicast+0x449/0x710 [ 1377.795810][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.795810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.795810][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.795810][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.795810][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.795810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.795810][ T72] [ 1377.797791][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1377.797791][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.797791][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.797791][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.797791][ T72] ip6_route_add+0x1c/0x140 [ 1377.797791][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1377.797791][ T72] addrconf_add_dev+0xe2/0x170 [ 1377.797791][ T72] inet6_addr_add+0x12f/0xa40 [ 1377.797791][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.797791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.797791][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.797791][ T72] netlink_unicast+0x449/0x710 [ 1377.797791][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.797791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.797791][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.797791][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.797791][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.797791][ T72] [ 1377.799733][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1377.799733][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1377.799733][ T72] ipv6_find_idev+0x102/0x170 [ 1377.799733][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1377.799733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.799733][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.799733][ T72] netlink_unicast+0x449/0x710 [ 1377.799733][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.799733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.799733][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.799733][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.799733][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.799733][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.799733][ T72] [ 1377.801371][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1377.801371][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1377.801371][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1377.801371][ T72] ipv6_find_idev+0x102/0x170 [ 1377.801371][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1377.801371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.801371][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.801371][ T72] netlink_unicast+0x449/0x710 [ 1377.801371][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.801371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.801371][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.801371][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.801371][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.801371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.801371][ T72] [ 1377.803103][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1377.803444][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1377.803444][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1377.803444][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1377.803444][ T72] fib6_nh_init+0xa22/0x1580 [ 1377.803444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.803444][ T72] ip6_route_add+0x1c/0x140 [ 1377.803444][ T72] inet6_rtm_newroute+0x104/0x110 [ 1377.803444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.803444][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.803444][ T72] netlink_unicast+0x449/0x710 [ 1377.803444][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.803444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.803444][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.803444][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.803444][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.803444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.803444][ T72] [ 1377.805485][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1377.805485][ T72] dst_init+0x84/0x4a0 [ 1377.805485][ T72] dst_alloc+0x97/0x150 [ 1377.805485][ T72] ip6_dst_alloc+0x23/0x90 [ 1377.805485][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1377.805485][ T72] ip6_pol_route+0x56f/0x840 [ 1377.805485][ T72] fib6_rule_lookup+0x456/0x630 [ 1377.805485][ T72] ip6_route_input+0x59c/0xa50 [ 1377.805485][ T72] ipv6_rcv+0x397/0x810 [ 1377.805485][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1377.805485][ T72] process_backlog+0x101/0x620 [ 1377.805485][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1377.805485][ T72] net_rx_action+0x495/0xbe0 [ 1377.805485][ T72] __do_softirq+0x1b5/0x7f6 [ 1377.805485][ T72] [ 1377.807287][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1377.807287][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.807287][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.807287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.807287][ T72] ip6_route_add+0x1c/0x140 [ 1377.807287][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1377.807287][ T72] inet6_addr_add+0x4f8/0xa40 [ 1377.807287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.807287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.807287][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.807287][ T72] netlink_unicast+0x449/0x710 [ 1377.807287][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.807287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.807287][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.807287][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.807287][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.807287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.807287][ T72] [ 1377.809530][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1377.809530][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.809530][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.809530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.809530][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1377.809530][ T72] ipv6_add_addr+0x411/0x2000 [ 1377.809530][ T72] inet6_addr_add+0x30e/0xa40 [ 1377.809530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.809530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.809530][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.809530][ T72] netlink_unicast+0x449/0x710 [ 1377.809530][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.809530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.809530][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.809530][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.809530][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.809530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.809530][ T72] [ 1377.811719][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1377.811719][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.811719][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.811719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.811719][ T72] ip6_route_add+0x1c/0x140 [ 1377.811719][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1377.811719][ T72] addrconf_add_dev+0xe2/0x170 [ 1377.811719][ T72] inet6_addr_add+0x12f/0xa40 [ 1377.811719][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.811719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.811719][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.811719][ T72] netlink_unicast+0x449/0x710 [ 1377.811719][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.811719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.811719][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.811719][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.811719][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.811719][ T72] [ 1377.813961][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1377.813961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1377.813961][ T72] ipv6_find_idev+0x102/0x170 [ 1377.813961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1377.813961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.813961][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.813961][ T72] netlink_unicast+0x449/0x710 [ 1377.813961][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.813961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.813961][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.813961][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.813961][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.813961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.813961][ T72] [ 1377.815669][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1377.815669][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1377.815669][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1377.815669][ T72] ipv6_find_idev+0x102/0x170 [ 1377.815669][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1377.815669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.815669][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.815669][ T72] netlink_unicast+0x449/0x710 [ 1377.815669][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.815669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.815669][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.815669][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.815669][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.815669][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.815669][ T72] [ 1377.817521][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1377.817884][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1377.817884][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.817884][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.817884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.817884][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1377.817884][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1377.817884][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1377.817884][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1377.817884][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1377.817884][ T72] addrconf_dad_begin+0x310/0x670 [ 1377.817884][ T72] addrconf_dad_work+0x10b/0xab0 [ 1377.817884][ T72] process_one_work+0x84d/0x18a0 [ 1377.817884][ T72] worker_thread+0x587/0xd30 [ 1377.817884][ T72] kthread+0x28a/0x350 [ 1377.817884][ T72] ret_from_fork+0x31/0x70 [ 1377.817884][ T72] ret_from_fork_asm+0x1a/0x30 [ 1377.817884][ T72] [ 1377.819954][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1377.819954][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.819954][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.819954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.819954][ T72] ip6_route_add+0x1c/0x140 [ 1377.819954][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1377.819954][ T72] inet6_addr_add+0x4f8/0xa40 [ 1377.819954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.819954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.819954][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.819954][ T72] netlink_unicast+0x449/0x710 [ 1377.819954][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.819954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.819954][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.819954][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.819954][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.819954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.819954][ T72] [ 1377.822187][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1377.822187][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.822187][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.822187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.822187][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1377.822187][ T72] ipv6_add_addr+0x411/0x2000 [ 1377.822187][ T72] inet6_addr_add+0x30e/0xa40 [ 1377.822187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.822187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.822187][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.822187][ T72] netlink_unicast+0x449/0x710 [ 1377.822187][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.822187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.822187][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.822187][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.822187][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.822187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.822187][ T72] [ 1377.824473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1377.824473][ T72] netdev_get_by_index+0x5e/0x80 [ 1377.824473][ T72] fib6_nh_init+0x3d8/0x1580 [ 1377.824473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1377.824473][ T72] ip6_route_add+0x1c/0x140 [ 1377.824473][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1377.824473][ T72] addrconf_add_dev+0xe2/0x170 [ 1377.824473][ T72] inet6_addr_add+0x12f/0xa40 [ 1377.824473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1377.824473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.824473][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.824473][ T72] netlink_unicast+0x449/0x710 [ 1377.824473][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.824473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.824473][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.824473][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.824473][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.824473][ T72] [ 1377.826659][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1377.826659][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1377.826659][ T72] ipv6_find_idev+0x102/0x170 [ 1377.826659][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1377.826659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.826659][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.826659][ T72] netlink_unicast+0x449/0x710 [ 1377.826659][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.826659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.826659][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.826659][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.826659][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.826659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.826659][ T72] [ 1377.828369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1377.828369][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1377.828369][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1377.828369][ T72] ipv6_find_idev+0x102/0x170 [ 1377.828369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1377.828369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1377.828369][ T72] netlink_rcv_skb+0x130/0x360 [ 1377.828369][ T72] netlink_unicast+0x449/0x710 [ 1377.828369][ T72] netlink_sendmsg+0x723/0xbe0 [ 1377.828369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1377.828369][ T72] ___sys_sendmsg+0xee/0x170 [ 1377.828369][ T72] __sys_sendmsg+0xcd/0x170 [ 1377.828369][ T72] do_syscall_64+0xc6/0x1e0 [ 1377.828369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1377.828369][ T72] [ 1388.032953][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1388.033404][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1388.033404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1388.033404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1388.033404][ T72] fib6_nh_init+0xa22/0x1580 [ 1388.033404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.033404][ T72] ip6_route_add+0x1c/0x140 [ 1388.033404][ T72] inet6_rtm_newroute+0x104/0x110 [ 1388.033404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.033404][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.033404][ T72] netlink_unicast+0x449/0x710 [ 1388.033404][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.033404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.033404][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.033404][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.033404][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.033404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.033404][ T72] [ 1388.035300][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1388.035300][ T72] dst_init+0x84/0x4a0 [ 1388.035300][ T72] dst_alloc+0x97/0x150 [ 1388.035300][ T72] ip6_dst_alloc+0x23/0x90 [ 1388.035300][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1388.035300][ T72] ip6_pol_route+0x56f/0x840 [ 1388.035300][ T72] fib6_rule_lookup+0x456/0x630 [ 1388.035300][ T72] ip6_route_input+0x59c/0xa50 [ 1388.035300][ T72] ipv6_rcv+0x397/0x810 [ 1388.035300][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1388.035300][ T72] process_backlog+0x101/0x620 [ 1388.035300][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1388.035300][ T72] net_rx_action+0x495/0xbe0 [ 1388.035300][ T72] __do_softirq+0x1b5/0x7f6 [ 1388.035300][ T72] [ 1388.036929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1388.036929][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.036929][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.036929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.036929][ T72] ip6_route_add+0x1c/0x140 [ 1388.036929][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1388.036929][ T72] inet6_addr_add+0x4f8/0xa40 [ 1388.036929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.036929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.036929][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.036929][ T72] netlink_unicast+0x449/0x710 [ 1388.036929][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.036929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.036929][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.036929][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.036929][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.036929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.036929][ T72] [ 1388.038915][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1388.038915][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.038915][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.038915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.038915][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1388.038915][ T72] ipv6_add_addr+0x411/0x2000 [ 1388.038915][ T72] inet6_addr_add+0x30e/0xa40 [ 1388.038915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.038915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.038915][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.038915][ T72] netlink_unicast+0x449/0x710 [ 1388.038915][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.038915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.038915][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.038915][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.038915][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.038915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.038915][ T72] [ 1388.040901][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1388.040901][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.040901][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.040901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.040901][ T72] ip6_route_add+0x1c/0x140 [ 1388.040901][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1388.040901][ T72] addrconf_add_dev+0xe2/0x170 [ 1388.040901][ T72] inet6_addr_add+0x12f/0xa40 [ 1388.040901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.040901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.040901][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.040901][ T72] netlink_unicast+0x449/0x710 [ 1388.040901][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.040901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.040901][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.040901][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.040901][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.040901][ T72] [ 1388.042883][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1388.042883][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1388.042883][ T72] ipv6_find_idev+0x102/0x170 [ 1388.042883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.042883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.042883][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.042883][ T72] netlink_unicast+0x449/0x710 [ 1388.042883][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.042883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.042883][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.042883][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.042883][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.042883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.042883][ T72] [ 1388.044476][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1388.044476][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1388.044476][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1388.044476][ T72] ipv6_find_idev+0x102/0x170 [ 1388.044476][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.044476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.044476][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.044476][ T72] netlink_unicast+0x449/0x710 [ 1388.044476][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.044476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.044476][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.044476][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.044476][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.044476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.044476][ T72] [ 1388.046195][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1388.046472][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1388.046472][ T72] dst_init+0x84/0x4a0 [ 1388.046472][ T72] dst_alloc+0x97/0x150 [ 1388.046472][ T72] ip6_dst_alloc+0x23/0x90 [ 1388.046472][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1388.046472][ T72] ip6_pol_route+0x56f/0x840 [ 1388.046472][ T72] fib6_rule_lookup+0x456/0x630 [ 1388.046472][ T72] ip6_route_input+0x59c/0xa50 [ 1388.046472][ T72] ipv6_rcv+0x397/0x810 [ 1388.046472][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1388.046472][ T72] process_backlog+0x101/0x620 [ 1388.046472][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1388.046472][ T72] net_rx_action+0x495/0xbe0 [ 1388.046472][ T72] __do_softirq+0x1b5/0x7f6 [ 1388.046472][ T72] [ 1388.048121][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1388.048121][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.048121][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.048121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.048121][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1388.048121][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1388.048121][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1388.048121][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1388.048121][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1388.048121][ T72] addrconf_dad_begin+0x310/0x670 [ 1388.048121][ T72] addrconf_dad_work+0x10b/0xab0 [ 1388.048121][ T72] process_one_work+0x84d/0x18a0 [ 1388.048121][ T72] worker_thread+0x587/0xd30 [ 1388.048121][ T72] kthread+0x28a/0x350 [ 1388.048121][ T72] ret_from_fork+0x31/0x70 [ 1388.048121][ T72] ret_from_fork_asm+0x1a/0x30 [ 1388.048121][ T72] [ 1388.050025][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1388.050025][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.050025][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.050025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.050025][ T72] ip6_route_add+0x1c/0x140 [ 1388.050025][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1388.050025][ T72] inet6_addr_add+0x4f8/0xa40 [ 1388.050025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.050025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.050025][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.050025][ T72] netlink_unicast+0x449/0x710 [ 1388.050025][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.050025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.050025][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.050025][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.050025][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.050025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.050025][ T72] [ 1388.052032][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1388.052032][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.052032][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.052032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.052032][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1388.052032][ T72] ipv6_add_addr+0x411/0x2000 [ 1388.052032][ T72] inet6_addr_add+0x30e/0xa40 [ 1388.052032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.052032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.052032][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.052032][ T72] netlink_unicast+0x449/0x710 [ 1388.052032][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.052032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.052032][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.052032][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.052032][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.052032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.052032][ T72] [ 1388.054018][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1388.054018][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.054018][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.054018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.054018][ T72] ip6_route_add+0x1c/0x140 [ 1388.054018][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1388.054018][ T72] addrconf_add_dev+0xe2/0x170 [ 1388.054018][ T72] inet6_addr_add+0x12f/0xa40 [ 1388.054018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.054018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.054018][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.054018][ T72] netlink_unicast+0x449/0x710 [ 1388.054018][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.054018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.054018][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.054018][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.054018][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.054018][ T72] [ 1388.055982][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1388.055982][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1388.055982][ T72] ipv6_find_idev+0x102/0x170 [ 1388.055982][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.055982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.055982][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.055982][ T72] netlink_unicast+0x449/0x710 [ 1388.055982][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.055982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.055982][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.055982][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.055982][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.055982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.055982][ T72] [ 1388.057519][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1388.057519][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1388.057519][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1388.057519][ T72] ipv6_find_idev+0x102/0x170 [ 1388.057519][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.057519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.057519][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.057519][ T72] netlink_unicast+0x449/0x710 [ 1388.057519][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.057519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.057519][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.057519][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.057519][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.057519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.057519][ T72] [ 1388.059279][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1388.059612][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1388.059612][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1388.059612][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1388.059612][ T72] fib6_nh_init+0xa22/0x1580 [ 1388.059612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.059612][ T72] ip6_route_add+0x1c/0x140 [ 1388.059612][ T72] inet6_rtm_newroute+0x104/0x110 [ 1388.059612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.059612][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.059612][ T72] netlink_unicast+0x449/0x710 [ 1388.059612][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.059612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.059612][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.059612][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.059612][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.059612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.059612][ T72] [ 1388.061741][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1388.061741][ T72] dst_init+0x84/0x4a0 [ 1388.061741][ T72] dst_alloc+0x97/0x150 [ 1388.061741][ T72] ip6_dst_alloc+0x23/0x90 [ 1388.061741][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1388.061741][ T72] ip6_pol_route+0x56f/0x840 [ 1388.061741][ T72] fib6_rule_lookup+0x456/0x630 [ 1388.061741][ T72] ip6_route_input+0x59c/0xa50 [ 1388.061741][ T72] ipv6_rcv+0x397/0x810 [ 1388.061741][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1388.061741][ T72] process_backlog+0x101/0x620 [ 1388.061741][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1388.061741][ T72] net_rx_action+0x495/0xbe0 [ 1388.061741][ T72] __do_softirq+0x1b5/0x7f6 [ 1388.061741][ T72] [ 1388.063558][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1388.063558][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.063558][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.063558][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.063558][ T72] ip6_route_add+0x1c/0x140 [ 1388.063558][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1388.063558][ T72] inet6_addr_add+0x4f8/0xa40 [ 1388.063558][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.063558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.063558][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.063558][ T72] netlink_unicast+0x449/0x710 [ 1388.063558][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.063558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.063558][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.063558][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.063558][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.063558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.063558][ T72] [ 1388.065789][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1388.065789][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.065789][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.065789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.065789][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1388.065789][ T72] ipv6_add_addr+0x411/0x2000 [ 1388.065789][ T72] inet6_addr_add+0x30e/0xa40 [ 1388.065789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.065789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.065789][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.065789][ T72] netlink_unicast+0x449/0x710 [ 1388.065789][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.065789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.065789][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.065789][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.065789][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.065789][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.065789][ T72] [ 1388.068025][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1388.068025][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.068025][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.068025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.068025][ T72] ip6_route_add+0x1c/0x140 [ 1388.068025][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1388.068025][ T72] addrconf_add_dev+0xe2/0x170 [ 1388.068025][ T72] inet6_addr_add+0x12f/0xa40 [ 1388.068025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.068025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.068025][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.068025][ T72] netlink_unicast+0x449/0x710 [ 1388.068025][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.068025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.068025][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.068025][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.068025][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.068025][ T72] [ 1388.070323][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1388.070323][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1388.070323][ T72] ipv6_find_idev+0x102/0x170 [ 1388.070323][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.070323][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.070323][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.070323][ T72] netlink_unicast+0x449/0x710 [ 1388.070323][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.070323][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.070323][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.070323][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.070323][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.070323][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.070323][ T72] [ 1388.072058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1388.072058][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1388.072058][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1388.072058][ T72] ipv6_find_idev+0x102/0x170 [ 1388.072058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.072058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.072058][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.072058][ T72] netlink_unicast+0x449/0x710 [ 1388.072058][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.072058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.072058][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.072058][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.072058][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.072058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.072058][ T72] [ 1388.073927][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1388.074260][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1388.074260][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.074260][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.074260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.074260][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1388.074260][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1388.074260][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1388.074260][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1388.074260][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1388.074260][ T72] addrconf_dad_begin+0x310/0x670 [ 1388.074260][ T72] addrconf_dad_work+0x10b/0xab0 [ 1388.074260][ T72] process_one_work+0x84d/0x18a0 [ 1388.074260][ T72] worker_thread+0x587/0xd30 [ 1388.074260][ T72] kthread+0x28a/0x350 [ 1388.074260][ T72] ret_from_fork+0x31/0x70 [ 1388.074260][ T72] ret_from_fork_asm+0x1a/0x30 [ 1388.074260][ T72] [ 1388.076371][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1388.076371][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.076371][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.076371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.076371][ T72] ip6_route_add+0x1c/0x140 [ 1388.076371][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1388.076371][ T72] inet6_addr_add+0x4f8/0xa40 [ 1388.076371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.076371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.076371][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.076371][ T72] netlink_unicast+0x449/0x710 [ 1388.076371][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.076371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.076371][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.076371][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.076371][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.076371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.076371][ T72] [ 1388.078599][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1388.078599][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.078599][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.078599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.078599][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1388.078599][ T72] ipv6_add_addr+0x411/0x2000 [ 1388.078599][ T72] inet6_addr_add+0x30e/0xa40 [ 1388.078599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.078599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.078599][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.078599][ T72] netlink_unicast+0x449/0x710 [ 1388.078599][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.078599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.078599][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.078599][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.078599][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.078599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.078599][ T72] [ 1388.080899][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1388.080899][ T72] netdev_get_by_index+0x5e/0x80 [ 1388.080899][ T72] fib6_nh_init+0x3d8/0x1580 [ 1388.080899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1388.080899][ T72] ip6_route_add+0x1c/0x140 [ 1388.080899][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1388.080899][ T72] addrconf_add_dev+0xe2/0x170 [ 1388.080899][ T72] inet6_addr_add+0x12f/0xa40 [ 1388.080899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.080899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.080899][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.080899][ T72] netlink_unicast+0x449/0x710 [ 1388.080899][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.080899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.080899][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.080899][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.080899][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.080899][ T72] [ 1388.083099][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1388.083099][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1388.083099][ T72] ipv6_find_idev+0x102/0x170 [ 1388.083099][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.083099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.083099][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.083099][ T72] netlink_unicast+0x449/0x710 [ 1388.083099][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.083099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.083099][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.083099][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.083099][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.083099][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.083099][ T72] [ 1388.084810][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1388.084810][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1388.084810][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1388.084810][ T72] ipv6_find_idev+0x102/0x170 [ 1388.084810][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.084810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.084810][ T72] netlink_rcv_skb+0x130/0x360 [ 1388.084810][ T72] netlink_unicast+0x449/0x710 [ 1388.084810][ T72] netlink_sendmsg+0x723/0xbe0 [ 1388.084810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1388.084810][ T72] ___sys_sendmsg+0xee/0x170 [ 1388.084810][ T72] __sys_sendmsg+0xcd/0x170 [ 1388.084810][ T72] do_syscall_64+0xc6/0x1e0 [ 1388.084810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.084810][ T72] [ 1398.329011][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1398.329529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1398.329529][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1398.329529][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1398.329529][ T72] fib6_nh_init+0xa22/0x1580 [ 1398.329529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.329529][ T72] ip6_route_add+0x1c/0x140 [ 1398.329529][ T72] inet6_rtm_newroute+0x104/0x110 [ 1398.329529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.329529][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.329529][ T72] netlink_unicast+0x449/0x710 [ 1398.329529][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.329529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.329529][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.329529][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.329529][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.329529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.329529][ T72] [ 1398.331449][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1398.331449][ T72] dst_init+0x84/0x4a0 [ 1398.331449][ T72] dst_alloc+0x97/0x150 [ 1398.331449][ T72] ip6_dst_alloc+0x23/0x90 [ 1398.331449][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1398.331449][ T72] ip6_pol_route+0x56f/0x840 [ 1398.331449][ T72] fib6_rule_lookup+0x456/0x630 [ 1398.331449][ T72] ip6_route_input+0x59c/0xa50 [ 1398.331449][ T72] ipv6_rcv+0x397/0x810 [ 1398.331449][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1398.331449][ T72] process_backlog+0x101/0x620 [ 1398.331449][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1398.331449][ T72] net_rx_action+0x495/0xbe0 [ 1398.331449][ T72] __do_softirq+0x1b5/0x7f6 [ 1398.331449][ T72] [ 1398.333096][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1398.333096][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.333096][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.333096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.333096][ T72] ip6_route_add+0x1c/0x140 [ 1398.333096][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1398.333096][ T72] inet6_addr_add+0x4f8/0xa40 [ 1398.333096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.333096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.333096][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.333096][ T72] netlink_unicast+0x449/0x710 [ 1398.333096][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.333096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.333096][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.333096][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.333096][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.333096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.333096][ T72] [ 1398.335095][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1398.335095][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.335095][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.335095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.335095][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1398.335095][ T72] ipv6_add_addr+0x411/0x2000 [ 1398.335095][ T72] inet6_addr_add+0x30e/0xa40 [ 1398.335095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.335095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.335095][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.335095][ T72] netlink_unicast+0x449/0x710 [ 1398.335095][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.335095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.335095][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.335095][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.335095][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.335095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.335095][ T72] [ 1398.337111][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1398.337111][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.337111][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.337111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.337111][ T72] ip6_route_add+0x1c/0x140 [ 1398.337111][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1398.337111][ T72] addrconf_add_dev+0xe2/0x170 [ 1398.337111][ T72] inet6_addr_add+0x12f/0xa40 [ 1398.337111][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.337111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.337111][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.337111][ T72] netlink_unicast+0x449/0x710 [ 1398.337111][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.337111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.337111][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.337111][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.337111][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.337111][ T72] [ 1398.339072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1398.339072][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1398.339072][ T72] ipv6_find_idev+0x102/0x170 [ 1398.339072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.339072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.339072][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.339072][ T72] netlink_unicast+0x449/0x710 [ 1398.339072][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.339072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.339072][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.339072][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.339072][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.339072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.339072][ T72] [ 1398.340609][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1398.340609][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1398.340609][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1398.340609][ T72] ipv6_find_idev+0x102/0x170 [ 1398.340609][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.340609][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.340609][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.340609][ T72] netlink_unicast+0x449/0x710 [ 1398.340609][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.340609][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.340609][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.340609][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.340609][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.340609][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.340609][ T72] [ 1398.342342][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1398.342622][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1398.342622][ T72] dst_init+0x84/0x4a0 [ 1398.342622][ T72] dst_alloc+0x97/0x150 [ 1398.342622][ T72] ip6_dst_alloc+0x23/0x90 [ 1398.342622][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1398.342622][ T72] ip6_pol_route+0x56f/0x840 [ 1398.342622][ T72] fib6_rule_lookup+0x456/0x630 [ 1398.342622][ T72] ip6_route_input+0x59c/0xa50 [ 1398.342622][ T72] ipv6_rcv+0x397/0x810 [ 1398.342622][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1398.342622][ T72] process_backlog+0x101/0x620 [ 1398.342622][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1398.342622][ T72] net_rx_action+0x495/0xbe0 [ 1398.342622][ T72] __do_softirq+0x1b5/0x7f6 [ 1398.342622][ T72] [ 1398.344265][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1398.344265][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.344265][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.344265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.344265][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1398.344265][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1398.344265][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1398.344265][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1398.344265][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1398.344265][ T72] addrconf_dad_begin+0x310/0x670 [ 1398.344265][ T72] addrconf_dad_work+0x10b/0xab0 [ 1398.344265][ T72] process_one_work+0x84d/0x18a0 [ 1398.344265][ T72] worker_thread+0x587/0xd30 [ 1398.344265][ T72] kthread+0x28a/0x350 [ 1398.344265][ T72] ret_from_fork+0x31/0x70 [ 1398.344265][ T72] ret_from_fork_asm+0x1a/0x30 [ 1398.344265][ T72] [ 1398.346177][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1398.346177][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.346177][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.346177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.346177][ T72] ip6_route_add+0x1c/0x140 [ 1398.346177][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1398.346177][ T72] inet6_addr_add+0x4f8/0xa40 [ 1398.346177][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.346177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.346177][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.346177][ T72] netlink_unicast+0x449/0x710 [ 1398.346177][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.346177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.346177][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.346177][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.346177][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.346177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.346177][ T72] [ 1398.348179][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1398.348179][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.348179][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.348179][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.348179][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1398.348179][ T72] ipv6_add_addr+0x411/0x2000 [ 1398.348179][ T72] inet6_addr_add+0x30e/0xa40 [ 1398.348179][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.348179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.348179][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.348179][ T72] netlink_unicast+0x449/0x710 [ 1398.348179][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.348179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.348179][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.348179][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.348179][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.348179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.348179][ T72] [ 1398.350711][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1398.350711][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.350711][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.350711][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.350711][ T72] ip6_route_add+0x1c/0x140 [ 1398.350711][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1398.350711][ T72] addrconf_add_dev+0xe2/0x170 [ 1398.350711][ T72] inet6_addr_add+0x12f/0xa40 [ 1398.350711][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.350711][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.350711][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.350711][ T72] netlink_unicast+0x449/0x710 [ 1398.350711][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.350711][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.350711][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.350711][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.350711][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.350711][ T72] [ 1398.352682][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1398.352682][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1398.352682][ T72] ipv6_find_idev+0x102/0x170 [ 1398.352682][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.352682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.352682][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.352682][ T72] netlink_unicast+0x449/0x710 [ 1398.352682][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.352682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.352682][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.352682][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.352682][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.352682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.352682][ T72] [ 1398.354221][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1398.354221][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1398.354221][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1398.354221][ T72] ipv6_find_idev+0x102/0x170 [ 1398.354221][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.354221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.354221][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.354221][ T72] netlink_unicast+0x449/0x710 [ 1398.354221][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.354221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.354221][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.354221][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.354221][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.354221][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.354221][ T72] [ 1398.356038][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1398.356308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1398.356308][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1398.356308][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1398.356308][ T72] fib6_nh_init+0xa22/0x1580 [ 1398.356308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.356308][ T72] ip6_route_add+0x1c/0x140 [ 1398.356308][ T72] inet6_rtm_newroute+0x104/0x110 [ 1398.356308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.356308][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.356308][ T72] netlink_unicast+0x449/0x710 [ 1398.356308][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.356308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.356308][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.356308][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.356308][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.356308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.356308][ T72] [ 1398.358492][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1398.358492][ T72] dst_init+0x84/0x4a0 [ 1398.358492][ T72] dst_alloc+0x97/0x150 [ 1398.358492][ T72] ip6_dst_alloc+0x23/0x90 [ 1398.358492][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1398.358492][ T72] ip6_pol_route+0x56f/0x840 [ 1398.358492][ T72] fib6_rule_lookup+0x456/0x630 [ 1398.358492][ T72] ip6_route_input+0x59c/0xa50 [ 1398.358492][ T72] ipv6_rcv+0x397/0x810 [ 1398.358492][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1398.358492][ T72] process_backlog+0x101/0x620 [ 1398.358492][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1398.358492][ T72] net_rx_action+0x495/0xbe0 [ 1398.358492][ T72] __do_softirq+0x1b5/0x7f6 [ 1398.358492][ T72] [ 1398.360310][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1398.360310][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.360310][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.360310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.360310][ T72] ip6_route_add+0x1c/0x140 [ 1398.360310][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1398.360310][ T72] inet6_addr_add+0x4f8/0xa40 [ 1398.360310][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.360310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.360310][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.360310][ T72] netlink_unicast+0x449/0x710 [ 1398.360310][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.360310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.360310][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.360310][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.360310][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.360310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.360310][ T72] [ 1398.362939][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1398.362939][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.362939][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.362939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.362939][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1398.362939][ T72] ipv6_add_addr+0x411/0x2000 [ 1398.362939][ T72] inet6_addr_add+0x30e/0xa40 [ 1398.362939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.362939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.362939][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.362939][ T72] netlink_unicast+0x449/0x710 [ 1398.362939][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.362939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.362939][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.362939][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.362939][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.362939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.362939][ T72] [ 1398.365116][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1398.365116][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.365116][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.365116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.365116][ T72] ip6_route_add+0x1c/0x140 [ 1398.365116][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1398.365116][ T72] addrconf_add_dev+0xe2/0x170 [ 1398.365116][ T72] inet6_addr_add+0x12f/0xa40 [ 1398.365116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.365116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.365116][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.365116][ T72] netlink_unicast+0x449/0x710 [ 1398.365116][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.365116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.365116][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.365116][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.365116][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.365116][ T72] [ 1398.367384][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1398.367384][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1398.367384][ T72] ipv6_find_idev+0x102/0x170 [ 1398.367384][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.367384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.367384][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.367384][ T72] netlink_unicast+0x449/0x710 [ 1398.367384][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.367384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.367384][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.367384][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.367384][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.367384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.367384][ T72] [ 1398.369106][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1398.369106][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1398.369106][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1398.369106][ T72] ipv6_find_idev+0x102/0x170 [ 1398.369106][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.369106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.369106][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.369106][ T72] netlink_unicast+0x449/0x710 [ 1398.369106][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.369106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.369106][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.369106][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.369106][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.369106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.369106][ T72] [ 1398.370979][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1398.371324][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1398.371324][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.371324][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.371324][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.371324][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1398.371324][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1398.371324][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1398.371324][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1398.371324][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1398.371324][ T72] addrconf_dad_begin+0x310/0x670 [ 1398.371324][ T72] addrconf_dad_work+0x10b/0xab0 [ 1398.371324][ T72] process_one_work+0x84d/0x18a0 [ 1398.371324][ T72] worker_thread+0x587/0xd30 [ 1398.371324][ T72] kthread+0x28a/0x350 [ 1398.371324][ T72] ret_from_fork+0x31/0x70 [ 1398.371324][ T72] ret_from_fork_asm+0x1a/0x30 [ 1398.371324][ T72] [ 1398.373351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1398.373351][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.373351][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.373351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.373351][ T72] ip6_route_add+0x1c/0x140 [ 1398.373351][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1398.373351][ T72] inet6_addr_add+0x4f8/0xa40 [ 1398.373351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.373351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.373351][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.373351][ T72] netlink_unicast+0x449/0x710 [ 1398.373351][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.373351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.373351][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.373351][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.373351][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.373351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.373351][ T72] [ 1398.375588][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1398.375588][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.375588][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.375588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.375588][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1398.375588][ T72] ipv6_add_addr+0x411/0x2000 [ 1398.375588][ T72] inet6_addr_add+0x30e/0xa40 [ 1398.375588][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.375588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.375588][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.375588][ T72] netlink_unicast+0x449/0x710 [ 1398.375588][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.375588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.375588][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.375588][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.375588][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.375588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.375588][ T72] [ 1398.377885][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1398.377885][ T72] netdev_get_by_index+0x5e/0x80 [ 1398.377885][ T72] fib6_nh_init+0x3d8/0x1580 [ 1398.377885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1398.377885][ T72] ip6_route_add+0x1c/0x140 [ 1398.377885][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1398.377885][ T72] addrconf_add_dev+0xe2/0x170 [ 1398.377885][ T72] inet6_addr_add+0x12f/0xa40 [ 1398.377885][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.377885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.377885][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.377885][ T72] netlink_unicast+0x449/0x710 [ 1398.377885][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.377885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.377885][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.377885][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.377885][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.377885][ T72] [ 1398.380099][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1398.380099][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1398.380099][ T72] ipv6_find_idev+0x102/0x170 [ 1398.380099][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.380099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.380099][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.380099][ T72] netlink_unicast+0x449/0x710 [ 1398.380099][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.380099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.380099][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.380099][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.380099][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.380099][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.380099][ T72] [ 1398.381829][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1398.381829][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1398.381829][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1398.381829][ T72] ipv6_find_idev+0x102/0x170 [ 1398.381829][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.381829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.381829][ T72] netlink_rcv_skb+0x130/0x360 [ 1398.381829][ T72] netlink_unicast+0x449/0x710 [ 1398.381829][ T72] netlink_sendmsg+0x723/0xbe0 [ 1398.381829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1398.381829][ T72] ___sys_sendmsg+0xee/0x170 [ 1398.381829][ T72] __sys_sendmsg+0xcd/0x170 [ 1398.381829][ T72] do_syscall_64+0xc6/0x1e0 [ 1398.381829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.381829][ T72] [ 1408.625000][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1408.625428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1408.625428][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1408.625428][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1408.625428][ T72] fib6_nh_init+0xa22/0x1580 [ 1408.625428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.625428][ T72] ip6_route_add+0x1c/0x140 [ 1408.625428][ T72] inet6_rtm_newroute+0x104/0x110 [ 1408.625428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.625428][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.625428][ T72] netlink_unicast+0x449/0x710 [ 1408.625428][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.625428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.625428][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.625428][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.625428][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.625428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.625428][ T72] [ 1408.627326][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1408.627326][ T72] dst_init+0x84/0x4a0 [ 1408.627326][ T72] dst_alloc+0x97/0x150 [ 1408.627326][ T72] ip6_dst_alloc+0x23/0x90 [ 1408.627326][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1408.627326][ T72] ip6_pol_route+0x56f/0x840 [ 1408.627326][ T72] fib6_rule_lookup+0x456/0x630 [ 1408.627326][ T72] ip6_route_input+0x59c/0xa50 [ 1408.627326][ T72] ipv6_rcv+0x397/0x810 [ 1408.627326][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1408.627326][ T72] process_backlog+0x101/0x620 [ 1408.627326][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1408.627326][ T72] net_rx_action+0x495/0xbe0 [ 1408.627326][ T72] __do_softirq+0x1b5/0x7f6 [ 1408.627326][ T72] [ 1408.628963][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1408.628963][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.628963][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.628963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.628963][ T72] ip6_route_add+0x1c/0x140 [ 1408.628963][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1408.628963][ T72] inet6_addr_add+0x4f8/0xa40 [ 1408.628963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.628963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.628963][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.628963][ T72] netlink_unicast+0x449/0x710 [ 1408.628963][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.628963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.628963][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.628963][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.628963][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.628963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.628963][ T72] [ 1408.630952][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1408.630952][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.630952][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.630952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.630952][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1408.630952][ T72] ipv6_add_addr+0x411/0x2000 [ 1408.630952][ T72] inet6_addr_add+0x30e/0xa40 [ 1408.630952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.630952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.630952][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.630952][ T72] netlink_unicast+0x449/0x710 [ 1408.630952][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.630952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.630952][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.630952][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.630952][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.630952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.630952][ T72] [ 1408.632950][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1408.632950][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.632950][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.632950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.632950][ T72] ip6_route_add+0x1c/0x140 [ 1408.632950][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1408.632950][ T72] addrconf_add_dev+0xe2/0x170 [ 1408.632950][ T72] inet6_addr_add+0x12f/0xa40 [ 1408.632950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.632950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.632950][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.632950][ T72] netlink_unicast+0x449/0x710 [ 1408.632950][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.632950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.632950][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.632950][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.632950][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.632950][ T72] [ 1408.634941][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1408.634941][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1408.634941][ T72] ipv6_find_idev+0x102/0x170 [ 1408.634941][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.634941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.634941][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.634941][ T72] netlink_unicast+0x449/0x710 [ 1408.634941][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.634941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.634941][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.634941][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.634941][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.634941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.634941][ T72] [ 1408.636493][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1408.636493][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1408.636493][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1408.636493][ T72] ipv6_find_idev+0x102/0x170 [ 1408.636493][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.636493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.636493][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.636493][ T72] netlink_unicast+0x449/0x710 [ 1408.636493][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.636493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.636493][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.636493][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.636493][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.636493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.636493][ T72] [ 1408.638178][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1408.638454][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1408.638454][ T72] dst_init+0x84/0x4a0 [ 1408.638454][ T72] dst_alloc+0x97/0x150 [ 1408.638454][ T72] ip6_dst_alloc+0x23/0x90 [ 1408.638454][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1408.638454][ T72] ip6_pol_route+0x56f/0x840 [ 1408.638454][ T72] fib6_rule_lookup+0x456/0x630 [ 1408.638454][ T72] ip6_route_input+0x59c/0xa50 [ 1408.638454][ T72] ipv6_rcv+0x397/0x810 [ 1408.638454][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1408.638454][ T72] process_backlog+0x101/0x620 [ 1408.638454][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1408.638454][ T72] net_rx_action+0x495/0xbe0 [ 1408.638454][ T72] __do_softirq+0x1b5/0x7f6 [ 1408.638454][ T72] [ 1408.640080][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1408.640080][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.640080][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.640080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.640080][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1408.640080][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1408.640080][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1408.640080][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1408.640080][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1408.640080][ T72] addrconf_dad_begin+0x310/0x670 [ 1408.640080][ T72] addrconf_dad_work+0x10b/0xab0 [ 1408.640080][ T72] process_one_work+0x84d/0x18a0 [ 1408.640080][ T72] worker_thread+0x587/0xd30 [ 1408.640080][ T72] kthread+0x28a/0x350 [ 1408.640080][ T72] ret_from_fork+0x31/0x70 [ 1408.640080][ T72] ret_from_fork_asm+0x1a/0x30 [ 1408.640080][ T72] [ 1408.641979][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1408.641979][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.641979][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.641979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.641979][ T72] ip6_route_add+0x1c/0x140 [ 1408.641979][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1408.641979][ T72] inet6_addr_add+0x4f8/0xa40 [ 1408.641979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.641979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.641979][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.641979][ T72] netlink_unicast+0x449/0x710 [ 1408.641979][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.641979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.641979][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.641979][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.641979][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.641979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.641979][ T72] [ 1408.643958][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1408.643958][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.643958][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.643958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.643958][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1408.643958][ T72] ipv6_add_addr+0x411/0x2000 [ 1408.643958][ T72] inet6_addr_add+0x30e/0xa40 [ 1408.643958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.643958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.643958][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.643958][ T72] netlink_unicast+0x449/0x710 [ 1408.643958][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.643958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.643958][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.643958][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.643958][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.643958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.643958][ T72] [ 1408.645934][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1408.645934][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.645934][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.645934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.645934][ T72] ip6_route_add+0x1c/0x140 [ 1408.645934][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1408.645934][ T72] addrconf_add_dev+0xe2/0x170 [ 1408.645934][ T72] inet6_addr_add+0x12f/0xa40 [ 1408.645934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.645934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.645934][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.645934][ T72] netlink_unicast+0x449/0x710 [ 1408.645934][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.645934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.645934][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.645934][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.645934][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.645934][ T72] [ 1408.647896][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1408.647896][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1408.647896][ T72] ipv6_find_idev+0x102/0x170 [ 1408.647896][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.647896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.647896][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.647896][ T72] netlink_unicast+0x449/0x710 [ 1408.647896][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.647896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.647896][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.647896][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.647896][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.647896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.647896][ T72] [ 1408.649424][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1408.649424][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1408.649424][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1408.649424][ T72] ipv6_find_idev+0x102/0x170 [ 1408.649424][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.649424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.649424][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.649424][ T72] netlink_unicast+0x449/0x710 [ 1408.649424][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.649424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.649424][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.649424][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.649424][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.649424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.649424][ T72] [ 1408.651173][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1408.651509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1408.651509][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1408.651509][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1408.651509][ T72] fib6_nh_init+0xa22/0x1580 [ 1408.651509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.651509][ T72] ip6_route_add+0x1c/0x140 [ 1408.651509][ T72] inet6_rtm_newroute+0x104/0x110 [ 1408.651509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.651509][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.651509][ T72] netlink_unicast+0x449/0x710 [ 1408.651509][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.651509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.651509][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.651509][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.651509][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.651509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.651509][ T72] [ 1408.653609][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1408.653609][ T72] dst_init+0x84/0x4a0 [ 1408.653609][ T72] dst_alloc+0x97/0x150 [ 1408.653609][ T72] ip6_dst_alloc+0x23/0x90 [ 1408.653609][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1408.653609][ T72] ip6_pol_route+0x56f/0x840 [ 1408.653609][ T72] fib6_rule_lookup+0x456/0x630 [ 1408.653609][ T72] ip6_route_input+0x59c/0xa50 [ 1408.653609][ T72] ipv6_rcv+0x397/0x810 [ 1408.653609][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1408.653609][ T72] process_backlog+0x101/0x620 [ 1408.653609][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1408.653609][ T72] net_rx_action+0x495/0xbe0 [ 1408.653609][ T72] __do_softirq+0x1b5/0x7f6 [ 1408.653609][ T72] [ 1408.655412][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1408.655412][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.655412][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.655412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.655412][ T72] ip6_route_add+0x1c/0x140 [ 1408.655412][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1408.655412][ T72] inet6_addr_add+0x4f8/0xa40 [ 1408.655412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.655412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.655412][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.655412][ T72] netlink_unicast+0x449/0x710 [ 1408.655412][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.655412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.655412][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.655412][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.655412][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.655412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.655412][ T72] [ 1408.657633][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1408.657633][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.657633][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.657633][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.657633][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1408.657633][ T72] ipv6_add_addr+0x411/0x2000 [ 1408.657633][ T72] inet6_addr_add+0x30e/0xa40 [ 1408.657633][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.657633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.657633][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.657633][ T72] netlink_unicast+0x449/0x710 [ 1408.657633][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.657633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.657633][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.657633][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.657633][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.657633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.657633][ T72] [ 1408.659816][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1408.659816][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.659816][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.659816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.659816][ T72] ip6_route_add+0x1c/0x140 [ 1408.659816][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1408.659816][ T72] addrconf_add_dev+0xe2/0x170 [ 1408.659816][ T72] inet6_addr_add+0x12f/0xa40 [ 1408.659816][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.659816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.659816][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.659816][ T72] netlink_unicast+0x449/0x710 [ 1408.659816][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.659816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.659816][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.659816][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.659816][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.659816][ T72] [ 1408.662205][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1408.662205][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1408.662205][ T72] ipv6_find_idev+0x102/0x170 [ 1408.662205][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.662205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.662205][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.662205][ T72] netlink_unicast+0x449/0x710 [ 1408.662205][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.662205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.662205][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.662205][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.662205][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.662205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.662205][ T72] [ 1408.663920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1408.663920][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1408.663920][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1408.663920][ T72] ipv6_find_idev+0x102/0x170 [ 1408.663920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.663920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.663920][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.663920][ T72] netlink_unicast+0x449/0x710 [ 1408.663920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.663920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.663920][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.663920][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.663920][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.663920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.663920][ T72] [ 1408.665850][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1408.666183][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1408.666183][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.666183][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.666183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.666183][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1408.666183][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1408.666183][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1408.666183][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1408.666183][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1408.666183][ T72] addrconf_dad_begin+0x310/0x670 [ 1408.666183][ T72] addrconf_dad_work+0x10b/0xab0 [ 1408.666183][ T72] process_one_work+0x84d/0x18a0 [ 1408.666183][ T72] worker_thread+0x587/0xd30 [ 1408.666183][ T72] kthread+0x28a/0x350 [ 1408.666183][ T72] ret_from_fork+0x31/0x70 [ 1408.666183][ T72] ret_from_fork_asm+0x1a/0x30 [ 1408.666183][ T72] [ 1408.668281][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1408.668281][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.668281][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.668281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.668281][ T72] ip6_route_add+0x1c/0x140 [ 1408.668281][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1408.668281][ T72] inet6_addr_add+0x4f8/0xa40 [ 1408.668281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.668281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.668281][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.668281][ T72] netlink_unicast+0x449/0x710 [ 1408.668281][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.668281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.668281][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.668281][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.668281][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.668281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.668281][ T72] [ 1408.670508][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1408.670508][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.670508][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.670508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.670508][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1408.670508][ T72] ipv6_add_addr+0x411/0x2000 [ 1408.670508][ T72] inet6_addr_add+0x30e/0xa40 [ 1408.670508][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.670508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.670508][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.670508][ T72] netlink_unicast+0x449/0x710 [ 1408.670508][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.670508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.670508][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.670508][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.670508][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.670508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.670508][ T72] [ 1408.672898][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1408.672898][ T72] netdev_get_by_index+0x5e/0x80 [ 1408.672898][ T72] fib6_nh_init+0x3d8/0x1580 [ 1408.672898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1408.672898][ T72] ip6_route_add+0x1c/0x140 [ 1408.672898][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1408.672898][ T72] addrconf_add_dev+0xe2/0x170 [ 1408.672898][ T72] inet6_addr_add+0x12f/0xa40 [ 1408.672898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.672898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.672898][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.672898][ T72] netlink_unicast+0x449/0x710 [ 1408.672898][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.672898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.672898][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.672898][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.672898][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.672898][ T72] [ 1408.675088][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1408.675088][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1408.675088][ T72] ipv6_find_idev+0x102/0x170 [ 1408.675088][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.675088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.675088][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.675088][ T72] netlink_unicast+0x449/0x710 [ 1408.675088][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.675088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.675088][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.675088][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.675088][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.675088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.675088][ T72] [ 1408.676802][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1408.676802][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1408.676802][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1408.676802][ T72] ipv6_find_idev+0x102/0x170 [ 1408.676802][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.676802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.676802][ T72] netlink_rcv_skb+0x130/0x360 [ 1408.676802][ T72] netlink_unicast+0x449/0x710 [ 1408.676802][ T72] netlink_sendmsg+0x723/0xbe0 [ 1408.676802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1408.676802][ T72] ___sys_sendmsg+0xee/0x170 [ 1408.676802][ T72] __sys_sendmsg+0xcd/0x170 [ 1408.676802][ T72] do_syscall_64+0xc6/0x1e0 [ 1408.676802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.676802][ T72] [ 1418.920941][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1418.921395][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1418.921395][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1418.921395][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1418.921395][ T72] fib6_nh_init+0xa22/0x1580 [ 1418.921395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.921395][ T72] ip6_route_add+0x1c/0x140 [ 1418.921395][ T72] inet6_rtm_newroute+0x104/0x110 [ 1418.921395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.921395][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.921395][ T72] netlink_unicast+0x449/0x710 [ 1418.921395][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.921395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.921395][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.921395][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.921395][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.921395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.921395][ T72] [ 1418.923285][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1418.923285][ T72] dst_init+0x84/0x4a0 [ 1418.923285][ T72] dst_alloc+0x97/0x150 [ 1418.923285][ T72] ip6_dst_alloc+0x23/0x90 [ 1418.923285][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1418.923285][ T72] ip6_pol_route+0x56f/0x840 [ 1418.923285][ T72] fib6_rule_lookup+0x456/0x630 [ 1418.923285][ T72] ip6_route_input+0x59c/0xa50 [ 1418.923285][ T72] ipv6_rcv+0x397/0x810 [ 1418.923285][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1418.923285][ T72] process_backlog+0x101/0x620 [ 1418.923285][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1418.923285][ T72] net_rx_action+0x495/0xbe0 [ 1418.923285][ T72] __do_softirq+0x1b5/0x7f6 [ 1418.923285][ T72] [ 1418.924916][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1418.924916][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.924916][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.924916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.924916][ T72] ip6_route_add+0x1c/0x140 [ 1418.924916][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1418.924916][ T72] inet6_addr_add+0x4f8/0xa40 [ 1418.924916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.924916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.924916][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.924916][ T72] netlink_unicast+0x449/0x710 [ 1418.924916][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.924916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.924916][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.924916][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.924916][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.924916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.924916][ T72] [ 1418.926912][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1418.926912][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.926912][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.926912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.926912][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1418.926912][ T72] ipv6_add_addr+0x411/0x2000 [ 1418.926912][ T72] inet6_addr_add+0x30e/0xa40 [ 1418.926912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.926912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.926912][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.926912][ T72] netlink_unicast+0x449/0x710 [ 1418.926912][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.926912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.926912][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.926912][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.926912][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.926912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.926912][ T72] [ 1418.928905][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1418.928905][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.928905][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.928905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.928905][ T72] ip6_route_add+0x1c/0x140 [ 1418.928905][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1418.928905][ T72] addrconf_add_dev+0xe2/0x170 [ 1418.928905][ T72] inet6_addr_add+0x12f/0xa40 [ 1418.928905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.928905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.928905][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.928905][ T72] netlink_unicast+0x449/0x710 [ 1418.928905][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.928905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.928905][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.928905][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.928905][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.928905][ T72] [ 1418.930854][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1418.930854][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1418.930854][ T72] ipv6_find_idev+0x102/0x170 [ 1418.930854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1418.930854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.930854][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.930854][ T72] netlink_unicast+0x449/0x710 [ 1418.930854][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.930854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.930854][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.930854][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.930854][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.930854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.930854][ T72] [ 1418.932388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1418.932388][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1418.932388][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1418.932388][ T72] ipv6_find_idev+0x102/0x170 [ 1418.932388][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1418.932388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.932388][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.932388][ T72] netlink_unicast+0x449/0x710 [ 1418.932388][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.932388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.932388][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.932388][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.932388][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.932388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.932388][ T72] [ 1418.934063][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1418.934337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1418.934337][ T72] dst_init+0x84/0x4a0 [ 1418.934337][ T72] dst_alloc+0x97/0x150 [ 1418.934337][ T72] ip6_dst_alloc+0x23/0x90 [ 1418.934337][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1418.934337][ T72] ip6_pol_route+0x56f/0x840 [ 1418.934337][ T72] fib6_rule_lookup+0x456/0x630 [ 1418.934337][ T72] ip6_route_input+0x59c/0xa50 [ 1418.934337][ T72] ipv6_rcv+0x397/0x810 [ 1418.934337][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1418.934337][ T72] process_backlog+0x101/0x620 [ 1418.934337][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1418.934337][ T72] net_rx_action+0x495/0xbe0 [ 1418.934337][ T72] __do_softirq+0x1b5/0x7f6 [ 1418.934337][ T72] [ 1418.935963][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1418.935963][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.935963][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.935963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.935963][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1418.935963][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1418.935963][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1418.935963][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1418.935963][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1418.935963][ T72] addrconf_dad_begin+0x310/0x670 [ 1418.935963][ T72] addrconf_dad_work+0x10b/0xab0 [ 1418.935963][ T72] process_one_work+0x84d/0x18a0 [ 1418.935963][ T72] worker_thread+0x587/0xd30 [ 1418.935963][ T72] kthread+0x28a/0x350 [ 1418.935963][ T72] ret_from_fork+0x31/0x70 [ 1418.935963][ T72] ret_from_fork_asm+0x1a/0x30 [ 1418.935963][ T72] [ 1418.937847][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1418.937847][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.937847][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.937847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.937847][ T72] ip6_route_add+0x1c/0x140 [ 1418.937847][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1418.937847][ T72] inet6_addr_add+0x4f8/0xa40 [ 1418.937847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.937847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.937847][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.937847][ T72] netlink_unicast+0x449/0x710 [ 1418.937847][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.937847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.937847][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.937847][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.937847][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.937847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.937847][ T72] [ 1418.939828][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1418.939828][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.939828][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.939828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.939828][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1418.939828][ T72] ipv6_add_addr+0x411/0x2000 [ 1418.939828][ T72] inet6_addr_add+0x30e/0xa40 [ 1418.939828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.939828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.939828][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.939828][ T72] netlink_unicast+0x449/0x710 [ 1418.939828][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.939828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.939828][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.939828][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.939828][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.939828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.939828][ T72] [ 1418.941813][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1418.941813][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.941813][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.941813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.941813][ T72] ip6_route_add+0x1c/0x140 [ 1418.941813][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1418.941813][ T72] addrconf_add_dev+0xe2/0x170 [ 1418.941813][ T72] inet6_addr_add+0x12f/0xa40 [ 1418.941813][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.941813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.941813][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.941813][ T72] netlink_unicast+0x449/0x710 [ 1418.941813][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.941813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.941813][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.941813][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.941813][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.941813][ T72] [ 1418.943879][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1418.943879][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1418.943879][ T72] ipv6_find_idev+0x102/0x170 [ 1418.943879][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1418.943879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.943879][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.943879][ T72] netlink_unicast+0x449/0x710 [ 1418.943879][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.943879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.943879][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.943879][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.943879][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.943879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.943879][ T72] [ 1418.945405][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1418.945405][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1418.945405][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1418.945405][ T72] ipv6_find_idev+0x102/0x170 [ 1418.945405][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1418.945405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.945405][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.945405][ T72] netlink_unicast+0x449/0x710 [ 1418.945405][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.945405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.945405][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.945405][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.945405][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.945405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.945405][ T72] [ 1418.947143][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1418.947469][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1418.947469][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1418.947469][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1418.947469][ T72] fib6_nh_init+0xa22/0x1580 [ 1418.947469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.947469][ T72] ip6_route_add+0x1c/0x140 [ 1418.947469][ T72] inet6_rtm_newroute+0x104/0x110 [ 1418.947469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.947469][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.947469][ T72] netlink_unicast+0x449/0x710 [ 1418.947469][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.947469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.947469][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.947469][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.947469][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.947469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.947469][ T72] [ 1418.949577][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1418.949577][ T72] dst_init+0x84/0x4a0 [ 1418.949577][ T72] dst_alloc+0x97/0x150 [ 1418.949577][ T72] ip6_dst_alloc+0x23/0x90 [ 1418.949577][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1418.949577][ T72] ip6_pol_route+0x56f/0x840 [ 1418.949577][ T72] fib6_rule_lookup+0x456/0x630 [ 1418.949577][ T72] ip6_route_input+0x59c/0xa50 [ 1418.949577][ T72] ipv6_rcv+0x397/0x810 [ 1418.949577][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1418.949577][ T72] process_backlog+0x101/0x620 [ 1418.949577][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1418.949577][ T72] net_rx_action+0x495/0xbe0 [ 1418.949577][ T72] __do_softirq+0x1b5/0x7f6 [ 1418.949577][ T72] [ 1418.951381][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1418.951381][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.951381][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.951381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.951381][ T72] ip6_route_add+0x1c/0x140 [ 1418.951381][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1418.951381][ T72] inet6_addr_add+0x4f8/0xa40 [ 1418.951381][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.951381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.951381][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.951381][ T72] netlink_unicast+0x449/0x710 [ 1418.951381][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.951381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.951381][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.951381][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.951381][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.951381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.951381][ T72] [ 1418.953610][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1418.953610][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.953610][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.953610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.953610][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1418.953610][ T72] ipv6_add_addr+0x411/0x2000 [ 1418.953610][ T72] inet6_addr_add+0x30e/0xa40 [ 1418.953610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.953610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.953610][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.953610][ T72] netlink_unicast+0x449/0x710 [ 1418.953610][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.953610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.953610][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.953610][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.953610][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.953610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.953610][ T72] [ 1418.955777][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1418.955777][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.955777][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.955777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.955777][ T72] ip6_route_add+0x1c/0x140 [ 1418.955777][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1418.955777][ T72] addrconf_add_dev+0xe2/0x170 [ 1418.955777][ T72] inet6_addr_add+0x12f/0xa40 [ 1418.955777][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.955777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.955777][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.955777][ T72] netlink_unicast+0x449/0x710 [ 1418.955777][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.955777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.955777][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.955777][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.955777][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.955777][ T72] [ 1418.958025][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1418.958025][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1418.958025][ T72] ipv6_find_idev+0x102/0x170 [ 1418.958025][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1418.958025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.958025][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.958025][ T72] netlink_unicast+0x449/0x710 [ 1418.958025][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.958025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.958025][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.958025][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.958025][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.958025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.958025][ T72] [ 1418.959726][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1418.959726][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1418.959726][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1418.959726][ T72] ipv6_find_idev+0x102/0x170 [ 1418.959726][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1418.959726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.959726][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.959726][ T72] netlink_unicast+0x449/0x710 [ 1418.959726][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.959726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.959726][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.959726][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.959726][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.959726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.959726][ T72] [ 1418.961594][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1418.962362][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1418.962362][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.962362][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.962362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.962362][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1418.962362][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1418.962362][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1418.962362][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1418.962362][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1418.962362][ T72] addrconf_dad_begin+0x310/0x670 [ 1418.962362][ T72] addrconf_dad_work+0x10b/0xab0 [ 1418.962362][ T72] process_one_work+0x84d/0x18a0 [ 1418.962362][ T72] worker_thread+0x587/0xd30 [ 1418.962362][ T72] kthread+0x28a/0x350 [ 1418.962362][ T72] ret_from_fork+0x31/0x70 [ 1418.962362][ T72] ret_from_fork_asm+0x1a/0x30 [ 1418.962362][ T72] [ 1418.964253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1418.964253][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.964253][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.964253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.964253][ T72] ip6_route_add+0x1c/0x140 [ 1418.964253][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1418.964253][ T72] inet6_addr_add+0x4f8/0xa40 [ 1418.964253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.964253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.964253][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.964253][ T72] netlink_unicast+0x449/0x710 [ 1418.964253][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.964253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.964253][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.964253][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.964253][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.964253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.964253][ T72] [ 1418.966307][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1418.966307][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.966307][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.966307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.966307][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1418.966307][ T72] ipv6_add_addr+0x411/0x2000 [ 1418.966307][ T72] inet6_addr_add+0x30e/0xa40 [ 1418.966307][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.966307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.966307][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.966307][ T72] netlink_unicast+0x449/0x710 [ 1418.966307][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.966307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.966307][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.966307][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.966307][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.966307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.966307][ T72] [ 1418.968667][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1418.968667][ T72] netdev_get_by_index+0x5e/0x80 [ 1418.968667][ T72] fib6_nh_init+0x3d8/0x1580 [ 1418.968667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1418.968667][ T72] ip6_route_add+0x1c/0x140 [ 1418.968667][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1418.968667][ T72] addrconf_add_dev+0xe2/0x170 [ 1418.968667][ T72] inet6_addr_add+0x12f/0xa40 [ 1418.968667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1418.968667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.968667][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.968667][ T72] netlink_unicast+0x449/0x710 [ 1418.968667][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.968667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.968667][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.968667][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.968667][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.968667][ T72] [ 1418.970921][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1418.970921][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1418.970921][ T72] ipv6_find_idev+0x102/0x170 [ 1418.970921][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1418.970921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.970921][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.970921][ T72] netlink_unicast+0x449/0x710 [ 1418.970921][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.970921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.970921][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.970921][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.970921][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.970921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.970921][ T72] [ 1418.972674][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1418.972674][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1418.972674][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1418.972674][ T72] ipv6_find_idev+0x102/0x170 [ 1418.972674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1418.972674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1418.972674][ T72] netlink_rcv_skb+0x130/0x360 [ 1418.972674][ T72] netlink_unicast+0x449/0x710 [ 1418.972674][ T72] netlink_sendmsg+0x723/0xbe0 [ 1418.972674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1418.972674][ T72] ___sys_sendmsg+0xee/0x170 [ 1418.972674][ T72] __sys_sendmsg+0xcd/0x170 [ 1418.972674][ T72] do_syscall_64+0xc6/0x1e0 [ 1418.972674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1418.972674][ T72] [ 1429.216950][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1429.217387][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1429.217387][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1429.217387][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1429.217387][ T72] fib6_nh_init+0xa22/0x1580 [ 1429.217387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.217387][ T72] ip6_route_add+0x1c/0x140 [ 1429.217387][ T72] inet6_rtm_newroute+0x104/0x110 [ 1429.217387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.217387][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.217387][ T72] netlink_unicast+0x449/0x710 [ 1429.217387][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.217387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.217387][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.217387][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.217387][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.217387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.217387][ T72] [ 1429.219276][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1429.219276][ T72] dst_init+0x84/0x4a0 [ 1429.219276][ T72] dst_alloc+0x97/0x150 [ 1429.219276][ T72] ip6_dst_alloc+0x23/0x90 [ 1429.219276][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1429.219276][ T72] ip6_pol_route+0x56f/0x840 [ 1429.219276][ T72] fib6_rule_lookup+0x456/0x630 [ 1429.219276][ T72] ip6_route_input+0x59c/0xa50 [ 1429.219276][ T72] ipv6_rcv+0x397/0x810 [ 1429.219276][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1429.219276][ T72] process_backlog+0x101/0x620 [ 1429.219276][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1429.219276][ T72] net_rx_action+0x495/0xbe0 [ 1429.219276][ T72] __do_softirq+0x1b5/0x7f6 [ 1429.219276][ T72] [ 1429.220907][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1429.220907][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.220907][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.220907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.220907][ T72] ip6_route_add+0x1c/0x140 [ 1429.220907][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1429.220907][ T72] inet6_addr_add+0x4f8/0xa40 [ 1429.220907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.220907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.220907][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.220907][ T72] netlink_unicast+0x449/0x710 [ 1429.220907][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.220907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.220907][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.220907][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.220907][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.220907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.220907][ T72] [ 1429.222908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1429.222908][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.222908][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.222908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.222908][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1429.222908][ T72] ipv6_add_addr+0x411/0x2000 [ 1429.222908][ T72] inet6_addr_add+0x30e/0xa40 [ 1429.222908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.222908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.222908][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.222908][ T72] netlink_unicast+0x449/0x710 [ 1429.222908][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.222908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.222908][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.222908][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.222908][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.222908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.222908][ T72] [ 1429.224905][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1429.224905][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.224905][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.224905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.224905][ T72] ip6_route_add+0x1c/0x140 [ 1429.224905][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1429.224905][ T72] addrconf_add_dev+0xe2/0x170 [ 1429.224905][ T72] inet6_addr_add+0x12f/0xa40 [ 1429.224905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.224905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.224905][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.224905][ T72] netlink_unicast+0x449/0x710 [ 1429.224905][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.224905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.224905][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.224905][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.224905][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.224905][ T72] [ 1429.226847][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1429.226847][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1429.226847][ T72] ipv6_find_idev+0x102/0x170 [ 1429.226847][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.226847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.226847][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.226847][ T72] netlink_unicast+0x449/0x710 [ 1429.226847][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.226847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.226847][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.226847][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.226847][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.226847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.226847][ T72] [ 1429.228370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1429.228370][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1429.228370][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1429.228370][ T72] ipv6_find_idev+0x102/0x170 [ 1429.228370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.228370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.228370][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.228370][ T72] netlink_unicast+0x449/0x710 [ 1429.228370][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.228370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.228370][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.228370][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.228370][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.228370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.228370][ T72] [ 1429.230056][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1429.230338][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1429.230338][ T72] dst_init+0x84/0x4a0 [ 1429.230338][ T72] dst_alloc+0x97/0x150 [ 1429.230338][ T72] ip6_dst_alloc+0x23/0x90 [ 1429.230338][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1429.230338][ T72] ip6_pol_route+0x56f/0x840 [ 1429.230338][ T72] fib6_rule_lookup+0x456/0x630 [ 1429.230338][ T72] ip6_route_input+0x59c/0xa50 [ 1429.230338][ T72] ipv6_rcv+0x397/0x810 [ 1429.230338][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1429.230338][ T72] process_backlog+0x101/0x620 [ 1429.230338][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1429.230338][ T72] net_rx_action+0x495/0xbe0 [ 1429.230338][ T72] __do_softirq+0x1b5/0x7f6 [ 1429.230338][ T72] [ 1429.231975][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1429.231975][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.231975][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.231975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.231975][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1429.231975][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1429.231975][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1429.231975][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1429.231975][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1429.231975][ T72] addrconf_dad_begin+0x310/0x670 [ 1429.231975][ T72] addrconf_dad_work+0x10b/0xab0 [ 1429.231975][ T72] process_one_work+0x84d/0x18a0 [ 1429.231975][ T72] worker_thread+0x587/0xd30 [ 1429.231975][ T72] kthread+0x28a/0x350 [ 1429.231975][ T72] ret_from_fork+0x31/0x70 [ 1429.231975][ T72] ret_from_fork_asm+0x1a/0x30 [ 1429.231975][ T72] [ 1429.233879][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1429.233879][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.233879][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.233879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.233879][ T72] ip6_route_add+0x1c/0x140 [ 1429.233879][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1429.233879][ T72] inet6_addr_add+0x4f8/0xa40 [ 1429.233879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.233879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.233879][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.233879][ T72] netlink_unicast+0x449/0x710 [ 1429.233879][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.233879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.233879][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.233879][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.233879][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.233879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.233879][ T72] [ 1429.235869][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1429.235869][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.235869][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.235869][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.235869][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1429.235869][ T72] ipv6_add_addr+0x411/0x2000 [ 1429.235869][ T72] inet6_addr_add+0x30e/0xa40 [ 1429.235869][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.235869][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.235869][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.235869][ T72] netlink_unicast+0x449/0x710 [ 1429.235869][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.235869][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.235869][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.235869][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.235869][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.235869][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.235869][ T72] [ 1429.237851][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1429.237851][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.237851][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.237851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.237851][ T72] ip6_route_add+0x1c/0x140 [ 1429.237851][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1429.237851][ T72] addrconf_add_dev+0xe2/0x170 [ 1429.237851][ T72] inet6_addr_add+0x12f/0xa40 [ 1429.237851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.237851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.237851][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.237851][ T72] netlink_unicast+0x449/0x710 [ 1429.237851][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.237851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.237851][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.237851][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.237851][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.237851][ T72] [ 1429.239818][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1429.239818][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1429.239818][ T72] ipv6_find_idev+0x102/0x170 [ 1429.239818][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.239818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.239818][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.239818][ T72] netlink_unicast+0x449/0x710 [ 1429.239818][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.239818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.239818][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.239818][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.239818][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.239818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.239818][ T72] [ 1429.241359][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1429.241359][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1429.241359][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1429.241359][ T72] ipv6_find_idev+0x102/0x170 [ 1429.241359][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.241359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.241359][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.241359][ T72] netlink_unicast+0x449/0x710 [ 1429.241359][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.241359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.241359][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.241359][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.241359][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.241359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.241359][ T72] [ 1429.243105][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1429.243378][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1429.243378][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1429.243378][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1429.243378][ T72] fib6_nh_init+0xa22/0x1580 [ 1429.243378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.243378][ T72] ip6_route_add+0x1c/0x140 [ 1429.243378][ T72] inet6_rtm_newroute+0x104/0x110 [ 1429.243378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.243378][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.243378][ T72] netlink_unicast+0x449/0x710 [ 1429.243378][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.243378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.243378][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.243378][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.243378][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.243378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.243378][ T72] [ 1429.245483][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1429.245483][ T72] dst_init+0x84/0x4a0 [ 1429.245483][ T72] dst_alloc+0x97/0x150 [ 1429.245483][ T72] ip6_dst_alloc+0x23/0x90 [ 1429.245483][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1429.245483][ T72] ip6_pol_route+0x56f/0x840 [ 1429.245483][ T72] fib6_rule_lookup+0x456/0x630 [ 1429.245483][ T72] ip6_route_input+0x59c/0xa50 [ 1429.245483][ T72] ipv6_rcv+0x397/0x810 [ 1429.245483][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1429.245483][ T72] process_backlog+0x101/0x620 [ 1429.245483][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1429.245483][ T72] net_rx_action+0x495/0xbe0 [ 1429.245483][ T72] __do_softirq+0x1b5/0x7f6 [ 1429.245483][ T72] [ 1429.247299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1429.247299][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.247299][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.247299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.247299][ T72] ip6_route_add+0x1c/0x140 [ 1429.247299][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1429.247299][ T72] inet6_addr_add+0x4f8/0xa40 [ 1429.247299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.247299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.247299][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.247299][ T72] netlink_unicast+0x449/0x710 [ 1429.247299][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.247299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.247299][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.247299][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.247299][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.247299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.247299][ T72] [ 1429.249525][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1429.249525][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.249525][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.249525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.249525][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1429.249525][ T72] ipv6_add_addr+0x411/0x2000 [ 1429.249525][ T72] inet6_addr_add+0x30e/0xa40 [ 1429.249525][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.249525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.249525][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.249525][ T72] netlink_unicast+0x449/0x710 [ 1429.249525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.249525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.249525][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.249525][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.249525][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.249525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.249525][ T72] [ 1429.251703][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1429.251703][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.251703][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.251703][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.251703][ T72] ip6_route_add+0x1c/0x140 [ 1429.251703][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1429.251703][ T72] addrconf_add_dev+0xe2/0x170 [ 1429.251703][ T72] inet6_addr_add+0x12f/0xa40 [ 1429.251703][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.251703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.251703][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.251703][ T72] netlink_unicast+0x449/0x710 [ 1429.251703][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.251703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.251703][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.251703][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.251703][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.251703][ T72] [ 1429.253957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1429.253957][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1429.253957][ T72] ipv6_find_idev+0x102/0x170 [ 1429.253957][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.253957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.253957][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.253957][ T72] netlink_unicast+0x449/0x710 [ 1429.253957][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.253957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.253957][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.253957][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.253957][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.253957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.253957][ T72] [ 1429.255674][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1429.255674][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1429.255674][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1429.255674][ T72] ipv6_find_idev+0x102/0x170 [ 1429.255674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.255674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.255674][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.255674][ T72] netlink_unicast+0x449/0x710 [ 1429.255674][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.255674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.255674][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.255674][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.255674][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.255674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.255674][ T72] [ 1429.257536][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1429.257949][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1429.257949][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.257949][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.257949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.257949][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1429.257949][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1429.257949][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1429.257949][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1429.257949][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1429.257949][ T72] addrconf_dad_begin+0x310/0x670 [ 1429.257949][ T72] addrconf_dad_work+0x10b/0xab0 [ 1429.257949][ T72] process_one_work+0x84d/0x18a0 [ 1429.257949][ T72] worker_thread+0x587/0xd30 [ 1429.257949][ T72] kthread+0x28a/0x350 [ 1429.257949][ T72] ret_from_fork+0x31/0x70 [ 1429.257949][ T72] ret_from_fork_asm+0x1a/0x30 [ 1429.257949][ T72] [ 1429.260057][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1429.260057][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.260057][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.260057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.260057][ T72] ip6_route_add+0x1c/0x140 [ 1429.260057][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1429.260057][ T72] inet6_addr_add+0x4f8/0xa40 [ 1429.260057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.260057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.260057][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.260057][ T72] netlink_unicast+0x449/0x710 [ 1429.260057][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.260057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.260057][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.260057][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.260057][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.260057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.260057][ T72] [ 1429.262237][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1429.262237][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.262237][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.262237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.262237][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1429.262237][ T72] ipv6_add_addr+0x411/0x2000 [ 1429.262237][ T72] inet6_addr_add+0x30e/0xa40 [ 1429.262237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.262237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.262237][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.262237][ T72] netlink_unicast+0x449/0x710 [ 1429.262237][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.262237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.262237][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.262237][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.262237][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.262237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.262237][ T72] [ 1429.264522][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1429.264522][ T72] netdev_get_by_index+0x5e/0x80 [ 1429.264522][ T72] fib6_nh_init+0x3d8/0x1580 [ 1429.264522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1429.264522][ T72] ip6_route_add+0x1c/0x140 [ 1429.264522][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1429.264522][ T72] addrconf_add_dev+0xe2/0x170 [ 1429.264522][ T72] inet6_addr_add+0x12f/0xa40 [ 1429.264522][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.264522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.264522][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.264522][ T72] netlink_unicast+0x449/0x710 [ 1429.264522][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.264522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.264522][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.264522][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.264522][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.264522][ T72] [ 1429.266738][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1429.266738][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1429.266738][ T72] ipv6_find_idev+0x102/0x170 [ 1429.266738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.266738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.266738][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.266738][ T72] netlink_unicast+0x449/0x710 [ 1429.266738][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.266738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.266738][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.266738][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.266738][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.266738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.266738][ T72] [ 1429.268448][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1429.268448][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1429.268448][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1429.268448][ T72] ipv6_find_idev+0x102/0x170 [ 1429.268448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.268448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.268448][ T72] netlink_rcv_skb+0x130/0x360 [ 1429.268448][ T72] netlink_unicast+0x449/0x710 [ 1429.268448][ T72] netlink_sendmsg+0x723/0xbe0 [ 1429.268448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1429.268448][ T72] ___sys_sendmsg+0xee/0x170 [ 1429.268448][ T72] __sys_sendmsg+0xcd/0x170 [ 1429.268448][ T72] do_syscall_64+0xc6/0x1e0 [ 1429.268448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.268448][ T72] [ 1439.512868][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1439.513381][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1439.513381][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1439.513381][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1439.513381][ T72] fib6_nh_init+0xa22/0x1580 [ 1439.513381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.513381][ T72] ip6_route_add+0x1c/0x140 [ 1439.513381][ T72] inet6_rtm_newroute+0x104/0x110 [ 1439.513381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.513381][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.513381][ T72] netlink_unicast+0x449/0x710 [ 1439.513381][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.513381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.513381][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.513381][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.513381][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.513381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.513381][ T72] [ 1439.515297][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1439.515297][ T72] dst_init+0x84/0x4a0 [ 1439.515297][ T72] dst_alloc+0x97/0x150 [ 1439.515297][ T72] ip6_dst_alloc+0x23/0x90 [ 1439.515297][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1439.515297][ T72] ip6_pol_route+0x56f/0x840 [ 1439.515297][ T72] fib6_rule_lookup+0x456/0x630 [ 1439.515297][ T72] ip6_route_input+0x59c/0xa50 [ 1439.515297][ T72] ipv6_rcv+0x397/0x810 [ 1439.515297][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1439.515297][ T72] process_backlog+0x101/0x620 [ 1439.515297][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1439.515297][ T72] net_rx_action+0x495/0xbe0 [ 1439.515297][ T72] __do_softirq+0x1b5/0x7f6 [ 1439.515297][ T72] [ 1439.517044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1439.517044][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.517044][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.517044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.517044][ T72] ip6_route_add+0x1c/0x140 [ 1439.517044][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1439.517044][ T72] inet6_addr_add+0x4f8/0xa40 [ 1439.517044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.517044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.517044][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.517044][ T72] netlink_unicast+0x449/0x710 [ 1439.517044][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.517044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.517044][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.517044][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.517044][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.517044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.517044][ T72] [ 1439.519295][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1439.519295][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.519295][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.519295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.519295][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1439.519295][ T72] ipv6_add_addr+0x411/0x2000 [ 1439.519295][ T72] inet6_addr_add+0x30e/0xa40 [ 1439.519295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.519295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.519295][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.519295][ T72] netlink_unicast+0x449/0x710 [ 1439.519295][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.519295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.519295][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.519295][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.519295][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.519295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.519295][ T72] [ 1439.521319][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1439.521319][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.521319][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.521319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.521319][ T72] ip6_route_add+0x1c/0x140 [ 1439.521319][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1439.521319][ T72] addrconf_add_dev+0xe2/0x170 [ 1439.521319][ T72] inet6_addr_add+0x12f/0xa40 [ 1439.521319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.521319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.521319][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.521319][ T72] netlink_unicast+0x449/0x710 [ 1439.521319][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.521319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.521319][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.521319][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.521319][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.521319][ T72] [ 1439.523275][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1439.523275][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1439.523275][ T72] ipv6_find_idev+0x102/0x170 [ 1439.523275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.523275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.523275][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.523275][ T72] netlink_unicast+0x449/0x710 [ 1439.523275][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.523275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.523275][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.523275][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.523275][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.523275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.523275][ T72] [ 1439.524805][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1439.524805][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1439.524805][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1439.524805][ T72] ipv6_find_idev+0x102/0x170 [ 1439.524805][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.524805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.524805][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.524805][ T72] netlink_unicast+0x449/0x710 [ 1439.524805][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.524805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.524805][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.524805][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.524805][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.524805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.524805][ T72] [ 1439.526486][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1439.526763][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1439.526763][ T72] dst_init+0x84/0x4a0 [ 1439.526763][ T72] dst_alloc+0x97/0x150 [ 1439.526763][ T72] ip6_dst_alloc+0x23/0x90 [ 1439.526763][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1439.526763][ T72] ip6_pol_route+0x56f/0x840 [ 1439.526763][ T72] fib6_rule_lookup+0x456/0x630 [ 1439.526763][ T72] ip6_route_input+0x59c/0xa50 [ 1439.526763][ T72] ipv6_rcv+0x397/0x810 [ 1439.526763][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1439.526763][ T72] process_backlog+0x101/0x620 [ 1439.526763][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1439.526763][ T72] net_rx_action+0x495/0xbe0 [ 1439.526763][ T72] __do_softirq+0x1b5/0x7f6 [ 1439.526763][ T72] [ 1439.528394][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1439.528394][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.528394][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.528394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.528394][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1439.528394][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1439.528394][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1439.528394][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1439.528394][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1439.528394][ T72] addrconf_dad_begin+0x310/0x670 [ 1439.528394][ T72] addrconf_dad_work+0x10b/0xab0 [ 1439.528394][ T72] process_one_work+0x84d/0x18a0 [ 1439.528394][ T72] worker_thread+0x587/0xd30 [ 1439.528394][ T72] kthread+0x28a/0x350 [ 1439.528394][ T72] ret_from_fork+0x31/0x70 [ 1439.528394][ T72] ret_from_fork_asm+0x1a/0x30 [ 1439.528394][ T72] [ 1439.530281][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1439.530281][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.530281][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.530281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.530281][ T72] ip6_route_add+0x1c/0x140 [ 1439.530281][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1439.530281][ T72] inet6_addr_add+0x4f8/0xa40 [ 1439.530281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.530281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.530281][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.530281][ T72] netlink_unicast+0x449/0x710 [ 1439.530281][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.530281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.530281][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.530281][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.530281][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.530281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.530281][ T72] [ 1439.532260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1439.532260][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.532260][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.532260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.532260][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1439.532260][ T72] ipv6_add_addr+0x411/0x2000 [ 1439.532260][ T72] inet6_addr_add+0x30e/0xa40 [ 1439.532260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.532260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.532260][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.532260][ T72] netlink_unicast+0x449/0x710 [ 1439.532260][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.532260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.532260][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.532260][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.532260][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.532260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.532260][ T72] [ 1439.534233][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1439.534233][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.534233][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.534233][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.534233][ T72] ip6_route_add+0x1c/0x140 [ 1439.534233][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1439.534233][ T72] addrconf_add_dev+0xe2/0x170 [ 1439.534233][ T72] inet6_addr_add+0x12f/0xa40 [ 1439.534233][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.534233][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.534233][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.534233][ T72] netlink_unicast+0x449/0x710 [ 1439.534233][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.534233][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.534233][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.534233][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.534233][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.534233][ T72] [ 1439.536171][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1439.536171][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1439.536171][ T72] ipv6_find_idev+0x102/0x170 [ 1439.536171][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.536171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.536171][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.536171][ T72] netlink_unicast+0x449/0x710 [ 1439.536171][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.536171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.536171][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.536171][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.536171][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.536171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.536171][ T72] [ 1439.537704][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1439.537704][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1439.537704][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1439.537704][ T72] ipv6_find_idev+0x102/0x170 [ 1439.537704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.537704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.537704][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.537704][ T72] netlink_unicast+0x449/0x710 [ 1439.537704][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.537704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.537704][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.537704][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.537704][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.537704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.537704][ T72] [ 1439.539460][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1439.539800][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1439.539800][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1439.539800][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1439.539800][ T72] fib6_nh_init+0xa22/0x1580 [ 1439.539800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.539800][ T72] ip6_route_add+0x1c/0x140 [ 1439.539800][ T72] inet6_rtm_newroute+0x104/0x110 [ 1439.539800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.539800][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.539800][ T72] netlink_unicast+0x449/0x710 [ 1439.539800][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.539800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.539800][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.539800][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.539800][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.539800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.539800][ T72] [ 1439.541850][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1439.541850][ T72] dst_init+0x84/0x4a0 [ 1439.541850][ T72] dst_alloc+0x97/0x150 [ 1439.541850][ T72] ip6_dst_alloc+0x23/0x90 [ 1439.541850][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1439.541850][ T72] ip6_pol_route+0x56f/0x840 [ 1439.541850][ T72] fib6_rule_lookup+0x456/0x630 [ 1439.541850][ T72] ip6_route_input+0x59c/0xa50 [ 1439.541850][ T72] ipv6_rcv+0x397/0x810 [ 1439.541850][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1439.541850][ T72] process_backlog+0x101/0x620 [ 1439.541850][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1439.541850][ T72] net_rx_action+0x495/0xbe0 [ 1439.541850][ T72] __do_softirq+0x1b5/0x7f6 [ 1439.541850][ T72] [ 1439.543652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1439.543652][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.543652][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.543652][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.543652][ T72] ip6_route_add+0x1c/0x140 [ 1439.543652][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1439.543652][ T72] inet6_addr_add+0x4f8/0xa40 [ 1439.543652][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.543652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.543652][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.543652][ T72] netlink_unicast+0x449/0x710 [ 1439.543652][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.543652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.543652][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.543652][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.543652][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.543652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.543652][ T72] [ 1439.545943][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1439.545943][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.545943][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.545943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.545943][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1439.545943][ T72] ipv6_add_addr+0x411/0x2000 [ 1439.545943][ T72] inet6_addr_add+0x30e/0xa40 [ 1439.545943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.545943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.545943][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.545943][ T72] netlink_unicast+0x449/0x710 [ 1439.545943][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.545943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.545943][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.545943][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.545943][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.545943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.545943][ T72] [ 1439.548115][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1439.548115][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.548115][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.548115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.548115][ T72] ip6_route_add+0x1c/0x140 [ 1439.548115][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1439.548115][ T72] addrconf_add_dev+0xe2/0x170 [ 1439.548115][ T72] inet6_addr_add+0x12f/0xa40 [ 1439.548115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.548115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.548115][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.548115][ T72] netlink_unicast+0x449/0x710 [ 1439.548115][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.548115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.548115][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.548115][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.548115][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.548115][ T72] [ 1439.550305][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1439.550305][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1439.550305][ T72] ipv6_find_idev+0x102/0x170 [ 1439.550305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.550305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.550305][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.550305][ T72] netlink_unicast+0x449/0x710 [ 1439.550305][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.550305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.550305][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.550305][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.550305][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.550305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.550305][ T72] [ 1439.552026][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1439.552026][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1439.552026][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1439.552026][ T72] ipv6_find_idev+0x102/0x170 [ 1439.552026][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.552026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.552026][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.552026][ T72] netlink_unicast+0x449/0x710 [ 1439.552026][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.552026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.552026][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.552026][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.552026][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.552026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.552026][ T72] [ 1439.553876][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1439.554209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1439.554209][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.554209][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.554209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.554209][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1439.554209][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1439.554209][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1439.554209][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1439.554209][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1439.554209][ T72] addrconf_dad_begin+0x310/0x670 [ 1439.554209][ T72] addrconf_dad_work+0x10b/0xab0 [ 1439.554209][ T72] process_one_work+0x84d/0x18a0 [ 1439.554209][ T72] worker_thread+0x587/0xd30 [ 1439.554209][ T72] kthread+0x28a/0x350 [ 1439.554209][ T72] ret_from_fork+0x31/0x70 [ 1439.554209][ T72] ret_from_fork_asm+0x1a/0x30 [ 1439.554209][ T72] [ 1439.556345][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1439.556345][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.556345][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.556345][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.556345][ T72] ip6_route_add+0x1c/0x140 [ 1439.556345][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1439.556345][ T72] inet6_addr_add+0x4f8/0xa40 [ 1439.556345][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.556345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.556345][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.556345][ T72] netlink_unicast+0x449/0x710 [ 1439.556345][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.556345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.556345][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.556345][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.556345][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.556345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.556345][ T72] [ 1439.558563][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1439.558563][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.558563][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.558563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.558563][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1439.558563][ T72] ipv6_add_addr+0x411/0x2000 [ 1439.558563][ T72] inet6_addr_add+0x30e/0xa40 [ 1439.558563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.558563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.558563][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.558563][ T72] netlink_unicast+0x449/0x710 [ 1439.558563][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.558563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.558563][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.558563][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.558563][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.558563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.558563][ T72] [ 1439.560785][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1439.560785][ T72] netdev_get_by_index+0x5e/0x80 [ 1439.560785][ T72] fib6_nh_init+0x3d8/0x1580 [ 1439.560785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1439.560785][ T72] ip6_route_add+0x1c/0x140 [ 1439.560785][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1439.560785][ T72] addrconf_add_dev+0xe2/0x170 [ 1439.560785][ T72] inet6_addr_add+0x12f/0xa40 [ 1439.560785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.560785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.560785][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.560785][ T72] netlink_unicast+0x449/0x710 [ 1439.560785][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.560785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.560785][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.560785][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.560785][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.560785][ T72] [ 1439.562980][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1439.562980][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1439.562980][ T72] ipv6_find_idev+0x102/0x170 [ 1439.562980][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.562980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.562980][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.562980][ T72] netlink_unicast+0x449/0x710 [ 1439.562980][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.562980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.562980][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.562980][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.562980][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.562980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.562980][ T72] [ 1439.564753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1439.564753][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1439.564753][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1439.564753][ T72] ipv6_find_idev+0x102/0x170 [ 1439.564753][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.564753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.564753][ T72] netlink_rcv_skb+0x130/0x360 [ 1439.564753][ T72] netlink_unicast+0x449/0x710 [ 1439.564753][ T72] netlink_sendmsg+0x723/0xbe0 [ 1439.564753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1439.564753][ T72] ___sys_sendmsg+0xee/0x170 [ 1439.564753][ T72] __sys_sendmsg+0xcd/0x170 [ 1439.564753][ T72] do_syscall_64+0xc6/0x1e0 [ 1439.564753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.564753][ T72] [ 1449.808966][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1449.809484][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1449.809484][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1449.809484][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1449.809484][ T72] fib6_nh_init+0xa22/0x1580 [ 1449.809484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.809484][ T72] ip6_route_add+0x1c/0x140 [ 1449.809484][ T72] inet6_rtm_newroute+0x104/0x110 [ 1449.809484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.809484][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.809484][ T72] netlink_unicast+0x449/0x710 [ 1449.809484][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.809484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.809484][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.809484][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.809484][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.809484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.809484][ T72] [ 1449.811400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1449.811400][ T72] dst_init+0x84/0x4a0 [ 1449.811400][ T72] dst_alloc+0x97/0x150 [ 1449.811400][ T72] ip6_dst_alloc+0x23/0x90 [ 1449.811400][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1449.811400][ T72] ip6_pol_route+0x56f/0x840 [ 1449.811400][ T72] fib6_rule_lookup+0x456/0x630 [ 1449.811400][ T72] ip6_route_input+0x59c/0xa50 [ 1449.811400][ T72] ipv6_rcv+0x397/0x810 [ 1449.811400][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1449.811400][ T72] process_backlog+0x101/0x620 [ 1449.811400][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1449.811400][ T72] net_rx_action+0x495/0xbe0 [ 1449.811400][ T72] __do_softirq+0x1b5/0x7f6 [ 1449.811400][ T72] [ 1449.813050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1449.813050][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.813050][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.813050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.813050][ T72] ip6_route_add+0x1c/0x140 [ 1449.813050][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1449.813050][ T72] inet6_addr_add+0x4f8/0xa40 [ 1449.813050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.813050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.813050][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.813050][ T72] netlink_unicast+0x449/0x710 [ 1449.813050][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.813050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.813050][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.813050][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.813050][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.813050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.813050][ T72] [ 1449.815062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1449.815062][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.815062][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.815062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.815062][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1449.815062][ T72] ipv6_add_addr+0x411/0x2000 [ 1449.815062][ T72] inet6_addr_add+0x30e/0xa40 [ 1449.815062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.815062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.815062][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.815062][ T72] netlink_unicast+0x449/0x710 [ 1449.815062][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.815062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.815062][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.815062][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.815062][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.815062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.815062][ T72] [ 1449.817047][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1449.817047][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.817047][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.817047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.817047][ T72] ip6_route_add+0x1c/0x140 [ 1449.817047][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1449.817047][ T72] addrconf_add_dev+0xe2/0x170 [ 1449.817047][ T72] inet6_addr_add+0x12f/0xa40 [ 1449.817047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.817047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.817047][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.817047][ T72] netlink_unicast+0x449/0x710 [ 1449.817047][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.817047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.817047][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.817047][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.817047][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.817047][ T72] [ 1449.819000][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1449.819000][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1449.819000][ T72] ipv6_find_idev+0x102/0x170 [ 1449.819000][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.819000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.819000][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.819000][ T72] netlink_unicast+0x449/0x710 [ 1449.819000][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.819000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.819000][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.819000][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.819000][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.819000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.819000][ T72] [ 1449.820525][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1449.820525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1449.820525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1449.820525][ T72] ipv6_find_idev+0x102/0x170 [ 1449.820525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.820525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.820525][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.820525][ T72] netlink_unicast+0x449/0x710 [ 1449.820525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.820525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.820525][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.820525][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.820525][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.820525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.820525][ T72] [ 1449.822219][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1449.822491][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1449.822491][ T72] dst_init+0x84/0x4a0 [ 1449.822491][ T72] dst_alloc+0x97/0x150 [ 1449.822491][ T72] ip6_dst_alloc+0x23/0x90 [ 1449.822491][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1449.822491][ T72] ip6_pol_route+0x56f/0x840 [ 1449.822491][ T72] fib6_rule_lookup+0x456/0x630 [ 1449.822491][ T72] ip6_route_input+0x59c/0xa50 [ 1449.822491][ T72] ipv6_rcv+0x397/0x810 [ 1449.822491][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1449.822491][ T72] process_backlog+0x101/0x620 [ 1449.822491][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1449.822491][ T72] net_rx_action+0x495/0xbe0 [ 1449.822491][ T72] __do_softirq+0x1b5/0x7f6 [ 1449.822491][ T72] [ 1449.824129][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1449.824129][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.824129][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.824129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.824129][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1449.824129][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1449.824129][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1449.824129][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1449.824129][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1449.824129][ T72] addrconf_dad_begin+0x310/0x670 [ 1449.824129][ T72] addrconf_dad_work+0x10b/0xab0 [ 1449.824129][ T72] process_one_work+0x84d/0x18a0 [ 1449.824129][ T72] worker_thread+0x587/0xd30 [ 1449.824129][ T72] kthread+0x28a/0x350 [ 1449.824129][ T72] ret_from_fork+0x31/0x70 [ 1449.824129][ T72] ret_from_fork_asm+0x1a/0x30 [ 1449.824129][ T72] [ 1449.826053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1449.826053][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.826053][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.826053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.826053][ T72] ip6_route_add+0x1c/0x140 [ 1449.826053][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1449.826053][ T72] inet6_addr_add+0x4f8/0xa40 [ 1449.826053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.826053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.826053][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.826053][ T72] netlink_unicast+0x449/0x710 [ 1449.826053][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.826053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.826053][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.826053][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.826053][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.826053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.826053][ T72] [ 1449.828056][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1449.828056][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.828056][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.828056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.828056][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1449.828056][ T72] ipv6_add_addr+0x411/0x2000 [ 1449.828056][ T72] inet6_addr_add+0x30e/0xa40 [ 1449.828056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.828056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.828056][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.828056][ T72] netlink_unicast+0x449/0x710 [ 1449.828056][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.828056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.828056][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.828056][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.828056][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.828056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.828056][ T72] [ 1449.830052][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1449.830052][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.830052][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.830052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.830052][ T72] ip6_route_add+0x1c/0x140 [ 1449.830052][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1449.830052][ T72] addrconf_add_dev+0xe2/0x170 [ 1449.830052][ T72] inet6_addr_add+0x12f/0xa40 [ 1449.830052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.830052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.830052][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.830052][ T72] netlink_unicast+0x449/0x710 [ 1449.830052][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.830052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.830052][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.830052][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.830052][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.830052][ T72] [ 1449.832020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1449.832020][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1449.832020][ T72] ipv6_find_idev+0x102/0x170 [ 1449.832020][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.832020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.832020][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.832020][ T72] netlink_unicast+0x449/0x710 [ 1449.832020][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.832020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.832020][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.832020][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.832020][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.832020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.832020][ T72] [ 1449.833572][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1449.833572][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1449.833572][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1449.833572][ T72] ipv6_find_idev+0x102/0x170 [ 1449.833572][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.833572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.833572][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.833572][ T72] netlink_unicast+0x449/0x710 [ 1449.833572][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.833572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.833572][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.833572][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.833572][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.833572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.833572][ T72] [ 1449.835324][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1449.835653][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1449.835653][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1449.835653][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1449.835653][ T72] fib6_nh_init+0xa22/0x1580 [ 1449.835653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.835653][ T72] ip6_route_add+0x1c/0x140 [ 1449.835653][ T72] inet6_rtm_newroute+0x104/0x110 [ 1449.835653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.835653][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.835653][ T72] netlink_unicast+0x449/0x710 [ 1449.835653][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.835653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.835653][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.835653][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.835653][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.835653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.835653][ T72] [ 1449.837786][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1449.837786][ T72] dst_init+0x84/0x4a0 [ 1449.837786][ T72] dst_alloc+0x97/0x150 [ 1449.837786][ T72] ip6_dst_alloc+0x23/0x90 [ 1449.837786][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1449.837786][ T72] ip6_pol_route+0x56f/0x840 [ 1449.837786][ T72] fib6_rule_lookup+0x456/0x630 [ 1449.837786][ T72] ip6_route_input+0x59c/0xa50 [ 1449.837786][ T72] ipv6_rcv+0x397/0x810 [ 1449.837786][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1449.837786][ T72] process_backlog+0x101/0x620 [ 1449.837786][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1449.837786][ T72] net_rx_action+0x495/0xbe0 [ 1449.837786][ T72] __do_softirq+0x1b5/0x7f6 [ 1449.837786][ T72] [ 1449.839601][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1449.839601][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.839601][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.839601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.839601][ T72] ip6_route_add+0x1c/0x140 [ 1449.839601][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1449.839601][ T72] inet6_addr_add+0x4f8/0xa40 [ 1449.839601][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.839601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.839601][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.839601][ T72] netlink_unicast+0x449/0x710 [ 1449.839601][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.839601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.839601][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.839601][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.839601][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.839601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.839601][ T72] [ 1449.841843][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1449.841843][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.841843][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.841843][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.841843][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1449.841843][ T72] ipv6_add_addr+0x411/0x2000 [ 1449.841843][ T72] inet6_addr_add+0x30e/0xa40 [ 1449.841843][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.841843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.841843][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.841843][ T72] netlink_unicast+0x449/0x710 [ 1449.841843][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.841843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.841843][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.841843][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.841843][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.841843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.841843][ T72] [ 1449.844080][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1449.844080][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.844080][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.844080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.844080][ T72] ip6_route_add+0x1c/0x140 [ 1449.844080][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1449.844080][ T72] addrconf_add_dev+0xe2/0x170 [ 1449.844080][ T72] inet6_addr_add+0x12f/0xa40 [ 1449.844080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.844080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.844080][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.844080][ T72] netlink_unicast+0x449/0x710 [ 1449.844080][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.844080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.844080][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.844080][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.844080][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.844080][ T72] [ 1449.846352][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1449.846352][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1449.846352][ T72] ipv6_find_idev+0x102/0x170 [ 1449.846352][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.846352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.846352][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.846352][ T72] netlink_unicast+0x449/0x710 [ 1449.846352][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.846352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.846352][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.846352][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.846352][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.846352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.846352][ T72] [ 1449.848601][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1449.848601][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1449.848601][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1449.848601][ T72] ipv6_find_idev+0x102/0x170 [ 1449.848601][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.848601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.848601][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.848601][ T72] netlink_unicast+0x449/0x710 [ 1449.848601][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.848601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.848601][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.848601][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.848601][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.848601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.848601][ T72] [ 1449.850481][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1449.850762][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1449.850762][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.850762][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.850762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.850762][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1449.850762][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1449.850762][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1449.850762][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1449.850762][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1449.850762][ T72] addrconf_dad_begin+0x310/0x670 [ 1449.850762][ T72] addrconf_dad_work+0x10b/0xab0 [ 1449.850762][ T72] process_one_work+0x84d/0x18a0 [ 1449.850762][ T72] worker_thread+0x587/0xd30 [ 1449.850762][ T72] kthread+0x28a/0x350 [ 1449.850762][ T72] ret_from_fork+0x31/0x70 [ 1449.850762][ T72] ret_from_fork_asm+0x1a/0x30 [ 1449.850762][ T72] [ 1449.852938][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1449.852938][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.852938][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.852938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.852938][ T72] ip6_route_add+0x1c/0x140 [ 1449.852938][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1449.852938][ T72] inet6_addr_add+0x4f8/0xa40 [ 1449.852938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.852938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.852938][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.852938][ T72] netlink_unicast+0x449/0x710 [ 1449.852938][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.852938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.852938][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.852938][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.852938][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.852938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.852938][ T72] [ 1449.855187][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1449.855187][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.855187][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.855187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.855187][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1449.855187][ T72] ipv6_add_addr+0x411/0x2000 [ 1449.855187][ T72] inet6_addr_add+0x30e/0xa40 [ 1449.855187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.855187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.855187][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.855187][ T72] netlink_unicast+0x449/0x710 [ 1449.855187][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.855187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.855187][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.855187][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.855187][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.855187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.855187][ T72] [ 1449.857501][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1449.857501][ T72] netdev_get_by_index+0x5e/0x80 [ 1449.857501][ T72] fib6_nh_init+0x3d8/0x1580 [ 1449.857501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1449.857501][ T72] ip6_route_add+0x1c/0x140 [ 1449.857501][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1449.857501][ T72] addrconf_add_dev+0xe2/0x170 [ 1449.857501][ T72] inet6_addr_add+0x12f/0xa40 [ 1449.857501][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.857501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.857501][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.857501][ T72] netlink_unicast+0x449/0x710 [ 1449.857501][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.857501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.857501][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.857501][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.857501][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.857501][ T72] [ 1449.859705][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1449.859705][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1449.859705][ T72] ipv6_find_idev+0x102/0x170 [ 1449.859705][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.859705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.859705][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.859705][ T72] netlink_unicast+0x449/0x710 [ 1449.859705][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.859705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.859705][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.859705][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.859705][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.859705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.859705][ T72] [ 1449.861370][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1449.861370][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1449.861370][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1449.861370][ T72] ipv6_find_idev+0x102/0x170 [ 1449.861370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.861370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.861370][ T72] netlink_rcv_skb+0x130/0x360 [ 1449.861370][ T72] netlink_unicast+0x449/0x710 [ 1449.861370][ T72] netlink_sendmsg+0x723/0xbe0 [ 1449.861370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1449.861370][ T72] ___sys_sendmsg+0xee/0x170 [ 1449.861370][ T72] __sys_sendmsg+0xcd/0x170 [ 1449.861370][ T72] do_syscall_64+0xc6/0x1e0 [ 1449.861370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.861370][ T72] [ 1459.864836][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1459.865308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1459.865308][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1459.865308][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1459.865308][ T72] fib6_nh_init+0xa22/0x1580 [ 1459.865308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.865308][ T72] ip6_route_add+0x1c/0x140 [ 1459.865308][ T72] inet6_rtm_newroute+0x104/0x110 [ 1459.865308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.865308][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.865308][ T72] netlink_unicast+0x449/0x710 [ 1459.865308][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.865308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.865308][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.865308][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.865308][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.865308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.865308][ T72] [ 1459.867212][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1459.867212][ T72] dst_init+0x84/0x4a0 [ 1459.867212][ T72] dst_alloc+0x97/0x150 [ 1459.867212][ T72] ip6_dst_alloc+0x23/0x90 [ 1459.867212][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1459.867212][ T72] ip6_pol_route+0x56f/0x840 [ 1459.867212][ T72] fib6_rule_lookup+0x456/0x630 [ 1459.867212][ T72] ip6_route_input+0x59c/0xa50 [ 1459.867212][ T72] ipv6_rcv+0x397/0x810 [ 1459.867212][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1459.867212][ T72] process_backlog+0x101/0x620 [ 1459.867212][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1459.867212][ T72] net_rx_action+0x495/0xbe0 [ 1459.867212][ T72] __do_softirq+0x1b5/0x7f6 [ 1459.867212][ T72] [ 1459.869243][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1459.869243][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.869243][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.869243][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.869243][ T72] ip6_route_add+0x1c/0x140 [ 1459.869243][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1459.869243][ T72] inet6_addr_add+0x4f8/0xa40 [ 1459.869243][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.869243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.869243][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.869243][ T72] netlink_unicast+0x449/0x710 [ 1459.869243][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.869243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.869243][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.869243][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.869243][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.869243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.869243][ T72] [ 1459.871257][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1459.871257][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.871257][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.871257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.871257][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1459.871257][ T72] ipv6_add_addr+0x411/0x2000 [ 1459.871257][ T72] inet6_addr_add+0x30e/0xa40 [ 1459.871257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.871257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.871257][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.871257][ T72] netlink_unicast+0x449/0x710 [ 1459.871257][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.871257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.871257][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.871257][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.871257][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.871257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.871257][ T72] [ 1459.873271][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1459.873271][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.873271][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.873271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.873271][ T72] ip6_route_add+0x1c/0x140 [ 1459.873271][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1459.873271][ T72] addrconf_add_dev+0xe2/0x170 [ 1459.873271][ T72] inet6_addr_add+0x12f/0xa40 [ 1459.873271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.873271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.873271][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.873271][ T72] netlink_unicast+0x449/0x710 [ 1459.873271][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.873271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.873271][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.873271][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.873271][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.873271][ T72] [ 1459.875245][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1459.875245][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1459.875245][ T72] ipv6_find_idev+0x102/0x170 [ 1459.875245][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.875245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.875245][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.875245][ T72] netlink_unicast+0x449/0x710 [ 1459.875245][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.875245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.875245][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.875245][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.875245][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.875245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.875245][ T72] [ 1459.876791][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1459.876791][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1459.876791][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1459.876791][ T72] ipv6_find_idev+0x102/0x170 [ 1459.876791][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.876791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.876791][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.876791][ T72] netlink_unicast+0x449/0x710 [ 1459.876791][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.876791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.876791][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.876791][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.876791][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.876791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.876791][ T72] [ 1459.878510][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1459.878791][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1459.878791][ T72] dst_init+0x84/0x4a0 [ 1459.878791][ T72] dst_alloc+0x97/0x150 [ 1459.878791][ T72] ip6_dst_alloc+0x23/0x90 [ 1459.878791][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1459.878791][ T72] ip6_pol_route+0x56f/0x840 [ 1459.878791][ T72] fib6_rule_lookup+0x456/0x630 [ 1459.878791][ T72] ip6_route_input+0x59c/0xa50 [ 1459.878791][ T72] ipv6_rcv+0x397/0x810 [ 1459.878791][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1459.878791][ T72] process_backlog+0x101/0x620 [ 1459.878791][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1459.878791][ T72] net_rx_action+0x495/0xbe0 [ 1459.878791][ T72] __do_softirq+0x1b5/0x7f6 [ 1459.878791][ T72] [ 1459.880435][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1459.880435][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.880435][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.880435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.880435][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1459.880435][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1459.880435][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1459.880435][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1459.880435][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1459.880435][ T72] addrconf_dad_begin+0x310/0x670 [ 1459.880435][ T72] addrconf_dad_work+0x10b/0xab0 [ 1459.880435][ T72] process_one_work+0x84d/0x18a0 [ 1459.880435][ T72] worker_thread+0x587/0xd30 [ 1459.880435][ T72] kthread+0x28a/0x350 [ 1459.880435][ T72] ret_from_fork+0x31/0x70 [ 1459.880435][ T72] ret_from_fork_asm+0x1a/0x30 [ 1459.880435][ T72] [ 1459.882354][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1459.882354][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.882354][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.882354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.882354][ T72] ip6_route_add+0x1c/0x140 [ 1459.882354][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1459.882354][ T72] inet6_addr_add+0x4f8/0xa40 [ 1459.882354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.882354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.882354][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.882354][ T72] netlink_unicast+0x449/0x710 [ 1459.882354][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.882354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.882354][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.882354][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.882354][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.882354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.882354][ T72] [ 1459.884357][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1459.884357][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.884357][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.884357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.884357][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1459.884357][ T72] ipv6_add_addr+0x411/0x2000 [ 1459.884357][ T72] inet6_addr_add+0x30e/0xa40 [ 1459.884357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.884357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.884357][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.884357][ T72] netlink_unicast+0x449/0x710 [ 1459.884357][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.884357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.884357][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.884357][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.884357][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.884357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.884357][ T72] [ 1459.886357][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1459.886357][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.886357][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.886357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.886357][ T72] ip6_route_add+0x1c/0x140 [ 1459.886357][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1459.886357][ T72] addrconf_add_dev+0xe2/0x170 [ 1459.886357][ T72] inet6_addr_add+0x12f/0xa40 [ 1459.886357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.886357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.886357][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.886357][ T72] netlink_unicast+0x449/0x710 [ 1459.886357][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.886357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.886357][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.886357][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.886357][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.886357][ T72] [ 1459.888322][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1459.888322][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1459.888322][ T72] ipv6_find_idev+0x102/0x170 [ 1459.888322][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.888322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.888322][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.888322][ T72] netlink_unicast+0x449/0x710 [ 1459.888322][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.888322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.888322][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.888322][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.888322][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.888322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.888322][ T72] [ 1459.889865][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1459.889865][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1459.889865][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1459.889865][ T72] ipv6_find_idev+0x102/0x170 [ 1459.889865][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.889865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.889865][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.889865][ T72] netlink_unicast+0x449/0x710 [ 1459.889865][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.889865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.889865][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.889865][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.889865][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.889865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.889865][ T72] [ 1459.891647][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1459.891939][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1459.891939][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1459.891939][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1459.891939][ T72] fib6_nh_init+0xa22/0x1580 [ 1459.891939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.891939][ T72] ip6_route_add+0x1c/0x140 [ 1459.891939][ T72] inet6_rtm_newroute+0x104/0x110 [ 1459.891939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.891939][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.891939][ T72] netlink_unicast+0x449/0x710 [ 1459.891939][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.891939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.891939][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.891939][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.891939][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.891939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.891939][ T72] [ 1459.894040][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1459.894040][ T72] dst_init+0x84/0x4a0 [ 1459.894040][ T72] dst_alloc+0x97/0x150 [ 1459.894040][ T72] ip6_dst_alloc+0x23/0x90 [ 1459.894040][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1459.894040][ T72] ip6_pol_route+0x56f/0x840 [ 1459.894040][ T72] fib6_rule_lookup+0x456/0x630 [ 1459.894040][ T72] ip6_route_input+0x59c/0xa50 [ 1459.894040][ T72] ipv6_rcv+0x397/0x810 [ 1459.894040][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1459.894040][ T72] process_backlog+0x101/0x620 [ 1459.894040][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1459.894040][ T72] net_rx_action+0x495/0xbe0 [ 1459.894040][ T72] __do_softirq+0x1b5/0x7f6 [ 1459.894040][ T72] [ 1459.895748][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1459.895748][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.895748][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.895748][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.895748][ T72] ip6_route_add+0x1c/0x140 [ 1459.895748][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1459.895748][ T72] inet6_addr_add+0x4f8/0xa40 [ 1459.895748][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.895748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.895748][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.895748][ T72] netlink_unicast+0x449/0x710 [ 1459.895748][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.895748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.895748][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.895748][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.895748][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.895748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.895748][ T72] [ 1459.897882][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1459.897882][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.897882][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.897882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.897882][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1459.897882][ T72] ipv6_add_addr+0x411/0x2000 [ 1459.897882][ T72] inet6_addr_add+0x30e/0xa40 [ 1459.897882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.897882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.897882][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.897882][ T72] netlink_unicast+0x449/0x710 [ 1459.897882][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.897882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.897882][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.897882][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.897882][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.897882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.897882][ T72] [ 1459.900036][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1459.900036][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.900036][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.900036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.900036][ T72] ip6_route_add+0x1c/0x140 [ 1459.900036][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1459.900036][ T72] addrconf_add_dev+0xe2/0x170 [ 1459.900036][ T72] inet6_addr_add+0x12f/0xa40 [ 1459.900036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.900036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.900036][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.900036][ T72] netlink_unicast+0x449/0x710 [ 1459.900036][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.900036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.900036][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.900036][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.900036][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.900036][ T72] [ 1459.902217][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1459.902217][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1459.902217][ T72] ipv6_find_idev+0x102/0x170 [ 1459.902217][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.902217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.902217][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.902217][ T72] netlink_unicast+0x449/0x710 [ 1459.902217][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.902217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.902217][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.902217][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.902217][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.902217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.902217][ T72] [ 1459.903828][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1459.903828][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1459.903828][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1459.903828][ T72] ipv6_find_idev+0x102/0x170 [ 1459.903828][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.903828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.903828][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.903828][ T72] netlink_unicast+0x449/0x710 [ 1459.903828][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.903828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.903828][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.903828][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.903828][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.903828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.903828][ T72] [ 1459.905672][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1459.906395][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1459.906395][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.906395][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.906395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.906395][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1459.906395][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1459.906395][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1459.906395][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1459.906395][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1459.906395][ T72] addrconf_dad_begin+0x310/0x670 [ 1459.906395][ T72] addrconf_dad_work+0x10b/0xab0 [ 1459.906395][ T72] process_one_work+0x84d/0x18a0 [ 1459.906395][ T72] worker_thread+0x587/0xd30 [ 1459.906395][ T72] kthread+0x28a/0x350 [ 1459.906395][ T72] ret_from_fork+0x31/0x70 [ 1459.906395][ T72] ret_from_fork_asm+0x1a/0x30 [ 1459.906395][ T72] [ 1459.908311][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1459.908311][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.908311][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.908311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.908311][ T72] ip6_route_add+0x1c/0x140 [ 1459.908311][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1459.908311][ T72] inet6_addr_add+0x4f8/0xa40 [ 1459.908311][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.908311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.908311][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.908311][ T72] netlink_unicast+0x449/0x710 [ 1459.908311][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.908311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.908311][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.908311][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.908311][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.908311][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.908311][ T72] [ 1459.910383][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1459.910383][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.910383][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.910383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.910383][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1459.910383][ T72] ipv6_add_addr+0x411/0x2000 [ 1459.910383][ T72] inet6_addr_add+0x30e/0xa40 [ 1459.910383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.910383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.910383][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.910383][ T72] netlink_unicast+0x449/0x710 [ 1459.910383][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.910383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.910383][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.910383][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.910383][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.910383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.910383][ T72] [ 1459.912530][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1459.912530][ T72] netdev_get_by_index+0x5e/0x80 [ 1459.912530][ T72] fib6_nh_init+0x3d8/0x1580 [ 1459.912530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1459.912530][ T72] ip6_route_add+0x1c/0x140 [ 1459.912530][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1459.912530][ T72] addrconf_add_dev+0xe2/0x170 [ 1459.912530][ T72] inet6_addr_add+0x12f/0xa40 [ 1459.912530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.912530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.912530][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.912530][ T72] netlink_unicast+0x449/0x710 [ 1459.912530][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.912530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.912530][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.912530][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.912530][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.912530][ T72] [ 1459.914698][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1459.914698][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1459.914698][ T72] ipv6_find_idev+0x102/0x170 [ 1459.914698][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.914698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.914698][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.914698][ T72] netlink_unicast+0x449/0x710 [ 1459.914698][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.914698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.914698][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.914698][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.914698][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.914698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.914698][ T72] [ 1459.916308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1459.916308][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1459.916308][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1459.916308][ T72] ipv6_find_idev+0x102/0x170 [ 1459.916308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.916308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.916308][ T72] netlink_rcv_skb+0x130/0x360 [ 1459.916308][ T72] netlink_unicast+0x449/0x710 [ 1459.916308][ T72] netlink_sendmsg+0x723/0xbe0 [ 1459.916308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1459.916308][ T72] ___sys_sendmsg+0xee/0x170 [ 1459.916308][ T72] __sys_sendmsg+0xcd/0x170 [ 1459.916308][ T72] do_syscall_64+0xc6/0x1e0 [ 1459.916308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.916308][ T72] [ 1470.160846][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1470.161395][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1470.161395][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1470.161395][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1470.161395][ T72] fib6_nh_init+0xa22/0x1580 [ 1470.161395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.161395][ T72] ip6_route_add+0x1c/0x140 [ 1470.161395][ T72] inet6_rtm_newroute+0x104/0x110 [ 1470.161395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.161395][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.161395][ T72] netlink_unicast+0x449/0x710 [ 1470.161395][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.161395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.161395][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.161395][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.161395][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.161395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.161395][ T72] [ 1470.163319][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1470.163319][ T72] dst_init+0x84/0x4a0 [ 1470.163319][ T72] dst_alloc+0x97/0x150 [ 1470.163319][ T72] ip6_dst_alloc+0x23/0x90 [ 1470.163319][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1470.163319][ T72] ip6_pol_route+0x56f/0x840 [ 1470.163319][ T72] fib6_rule_lookup+0x456/0x630 [ 1470.163319][ T72] ip6_route_input+0x59c/0xa50 [ 1470.163319][ T72] ipv6_rcv+0x397/0x810 [ 1470.163319][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1470.163319][ T72] process_backlog+0x101/0x620 [ 1470.163319][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1470.163319][ T72] net_rx_action+0x495/0xbe0 [ 1470.163319][ T72] __do_softirq+0x1b5/0x7f6 [ 1470.163319][ T72] [ 1470.164965][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1470.164965][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.164965][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.164965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.164965][ T72] ip6_route_add+0x1c/0x140 [ 1470.164965][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1470.164965][ T72] inet6_addr_add+0x4f8/0xa40 [ 1470.164965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.164965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.164965][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.164965][ T72] netlink_unicast+0x449/0x710 [ 1470.164965][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.164965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.164965][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.164965][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.164965][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.164965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.164965][ T72] [ 1470.166964][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1470.166964][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.166964][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.166964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.166964][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1470.166964][ T72] ipv6_add_addr+0x411/0x2000 [ 1470.166964][ T72] inet6_addr_add+0x30e/0xa40 [ 1470.166964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.166964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.166964][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.166964][ T72] netlink_unicast+0x449/0x710 [ 1470.166964][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.166964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.166964][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.166964][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.166964][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.166964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.166964][ T72] [ 1470.168968][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1470.168968][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.168968][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.168968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.168968][ T72] ip6_route_add+0x1c/0x140 [ 1470.168968][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1470.168968][ T72] addrconf_add_dev+0xe2/0x170 [ 1470.168968][ T72] inet6_addr_add+0x12f/0xa40 [ 1470.168968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.168968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.168968][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.168968][ T72] netlink_unicast+0x449/0x710 [ 1470.168968][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.168968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.168968][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.168968][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.168968][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.168968][ T72] [ 1470.170960][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1470.170960][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1470.170960][ T72] ipv6_find_idev+0x102/0x170 [ 1470.170960][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.170960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.170960][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.170960][ T72] netlink_unicast+0x449/0x710 [ 1470.170960][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.170960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.170960][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.170960][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.170960][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.170960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.170960][ T72] [ 1470.172506][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1470.172506][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1470.172506][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1470.172506][ T72] ipv6_find_idev+0x102/0x170 [ 1470.172506][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.172506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.172506][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.172506][ T72] netlink_unicast+0x449/0x710 [ 1470.172506][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.172506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.172506][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.172506][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.172506][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.172506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.172506][ T72] [ 1470.174215][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1470.174494][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1470.174494][ T72] dst_init+0x84/0x4a0 [ 1470.174494][ T72] dst_alloc+0x97/0x150 [ 1470.174494][ T72] ip6_dst_alloc+0x23/0x90 [ 1470.174494][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1470.174494][ T72] ip6_pol_route+0x56f/0x840 [ 1470.174494][ T72] fib6_rule_lookup+0x456/0x630 [ 1470.174494][ T72] ip6_route_input+0x59c/0xa50 [ 1470.174494][ T72] ipv6_rcv+0x397/0x810 [ 1470.174494][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1470.174494][ T72] process_backlog+0x101/0x620 [ 1470.174494][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1470.174494][ T72] net_rx_action+0x495/0xbe0 [ 1470.174494][ T72] __do_softirq+0x1b5/0x7f6 [ 1470.174494][ T72] [ 1470.176139][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1470.176139][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.176139][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.176139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.176139][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1470.176139][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1470.176139][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1470.176139][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1470.176139][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1470.176139][ T72] addrconf_dad_begin+0x310/0x670 [ 1470.176139][ T72] addrconf_dad_work+0x10b/0xab0 [ 1470.176139][ T72] process_one_work+0x84d/0x18a0 [ 1470.176139][ T72] worker_thread+0x587/0xd30 [ 1470.176139][ T72] kthread+0x28a/0x350 [ 1470.176139][ T72] ret_from_fork+0x31/0x70 [ 1470.176139][ T72] ret_from_fork_asm+0x1a/0x30 [ 1470.176139][ T72] [ 1470.178050][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1470.178050][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.178050][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.178050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.178050][ T72] ip6_route_add+0x1c/0x140 [ 1470.178050][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1470.178050][ T72] inet6_addr_add+0x4f8/0xa40 [ 1470.178050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.178050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.178050][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.178050][ T72] netlink_unicast+0x449/0x710 [ 1470.178050][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.178050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.178050][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.178050][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.178050][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.178050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.178050][ T72] [ 1470.180044][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1470.180044][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.180044][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.180044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.180044][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1470.180044][ T72] ipv6_add_addr+0x411/0x2000 [ 1470.180044][ T72] inet6_addr_add+0x30e/0xa40 [ 1470.180044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.180044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.180044][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.180044][ T72] netlink_unicast+0x449/0x710 [ 1470.180044][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.180044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.180044][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.180044][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.180044][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.180044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.180044][ T72] [ 1470.182057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1470.182057][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.182057][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.182057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.182057][ T72] ip6_route_add+0x1c/0x140 [ 1470.182057][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1470.182057][ T72] addrconf_add_dev+0xe2/0x170 [ 1470.182057][ T72] inet6_addr_add+0x12f/0xa40 [ 1470.182057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.182057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.182057][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.182057][ T72] netlink_unicast+0x449/0x710 [ 1470.182057][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.182057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.182057][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.182057][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.182057][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.182057][ T72] [ 1470.184027][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1470.184027][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1470.184027][ T72] ipv6_find_idev+0x102/0x170 [ 1470.184027][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.184027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.184027][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.184027][ T72] netlink_unicast+0x449/0x710 [ 1470.184027][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.184027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.184027][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.184027][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.184027][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.184027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.184027][ T72] [ 1470.185566][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1470.185566][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1470.185566][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1470.185566][ T72] ipv6_find_idev+0x102/0x170 [ 1470.185566][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.185566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.185566][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.185566][ T72] netlink_unicast+0x449/0x710 [ 1470.185566][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.185566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.185566][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.185566][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.185566][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.185566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.185566][ T72] [ 1470.187403][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1470.187672][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1470.187672][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1470.187672][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1470.187672][ T72] fib6_nh_init+0xa22/0x1580 [ 1470.187672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.187672][ T72] ip6_route_add+0x1c/0x140 [ 1470.187672][ T72] inet6_rtm_newroute+0x104/0x110 [ 1470.187672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.187672][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.187672][ T72] netlink_unicast+0x449/0x710 [ 1470.187672][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.187672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.187672][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.187672][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.187672][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.187672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.187672][ T72] [ 1470.189797][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1470.189797][ T72] dst_init+0x84/0x4a0 [ 1470.189797][ T72] dst_alloc+0x97/0x150 [ 1470.189797][ T72] ip6_dst_alloc+0x23/0x90 [ 1470.189797][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1470.189797][ T72] ip6_pol_route+0x56f/0x840 [ 1470.189797][ T72] fib6_rule_lookup+0x456/0x630 [ 1470.189797][ T72] ip6_route_input+0x59c/0xa50 [ 1470.189797][ T72] ipv6_rcv+0x397/0x810 [ 1470.189797][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1470.189797][ T72] process_backlog+0x101/0x620 [ 1470.189797][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1470.189797][ T72] net_rx_action+0x495/0xbe0 [ 1470.189797][ T72] __do_softirq+0x1b5/0x7f6 [ 1470.189797][ T72] [ 1470.191622][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1470.191622][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.191622][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.191622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.191622][ T72] ip6_route_add+0x1c/0x140 [ 1470.191622][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1470.191622][ T72] inet6_addr_add+0x4f8/0xa40 [ 1470.191622][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.191622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.191622][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.191622][ T72] netlink_unicast+0x449/0x710 [ 1470.191622][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.191622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.191622][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.191622][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.191622][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.191622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.191622][ T72] [ 1470.193886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1470.193886][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.193886][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.193886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.193886][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1470.193886][ T72] ipv6_add_addr+0x411/0x2000 [ 1470.193886][ T72] inet6_addr_add+0x30e/0xa40 [ 1470.193886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.193886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.193886][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.193886][ T72] netlink_unicast+0x449/0x710 [ 1470.193886][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.193886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.193886][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.193886][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.193886][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.193886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.193886][ T72] [ 1470.196133][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1470.196133][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.196133][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.196133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.196133][ T72] ip6_route_add+0x1c/0x140 [ 1470.196133][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1470.196133][ T72] addrconf_add_dev+0xe2/0x170 [ 1470.196133][ T72] inet6_addr_add+0x12f/0xa40 [ 1470.196133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.196133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.196133][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.196133][ T72] netlink_unicast+0x449/0x710 [ 1470.196133][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.196133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.196133][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.196133][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.196133][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.196133][ T72] [ 1470.198340][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1470.198340][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1470.198340][ T72] ipv6_find_idev+0x102/0x170 [ 1470.198340][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.198340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.198340][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.198340][ T72] netlink_unicast+0x449/0x710 [ 1470.198340][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.198340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.198340][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.198340][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.198340][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.198340][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.198340][ T72] [ 1470.200063][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1470.200063][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1470.200063][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1470.200063][ T72] ipv6_find_idev+0x102/0x170 [ 1470.200063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.200063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.200063][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.200063][ T72] netlink_unicast+0x449/0x710 [ 1470.200063][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.200063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.200063][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.200063][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.200063][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.200063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.200063][ T72] [ 1470.201946][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1470.202296][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1470.202296][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.202296][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.202296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.202296][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1470.202296][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1470.202296][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1470.202296][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1470.202296][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1470.202296][ T72] addrconf_dad_begin+0x310/0x670 [ 1470.202296][ T72] addrconf_dad_work+0x10b/0xab0 [ 1470.202296][ T72] process_one_work+0x84d/0x18a0 [ 1470.202296][ T72] worker_thread+0x587/0xd30 [ 1470.202296][ T72] kthread+0x28a/0x350 [ 1470.202296][ T72] ret_from_fork+0x31/0x70 [ 1470.202296][ T72] ret_from_fork_asm+0x1a/0x30 [ 1470.202296][ T72] [ 1470.204424][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1470.204424][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.204424][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.204424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.204424][ T72] ip6_route_add+0x1c/0x140 [ 1470.204424][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1470.204424][ T72] inet6_addr_add+0x4f8/0xa40 [ 1470.204424][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.204424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.204424][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.204424][ T72] netlink_unicast+0x449/0x710 [ 1470.204424][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.204424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.204424][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.204424][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.204424][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.204424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.204424][ T72] [ 1470.206673][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1470.206673][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.206673][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.206673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.206673][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1470.206673][ T72] ipv6_add_addr+0x411/0x2000 [ 1470.206673][ T72] inet6_addr_add+0x30e/0xa40 [ 1470.206673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.206673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.206673][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.206673][ T72] netlink_unicast+0x449/0x710 [ 1470.206673][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.206673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.206673][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.206673][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.206673][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.206673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.206673][ T72] [ 1470.208915][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1470.208915][ T72] netdev_get_by_index+0x5e/0x80 [ 1470.208915][ T72] fib6_nh_init+0x3d8/0x1580 [ 1470.208915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1470.208915][ T72] ip6_route_add+0x1c/0x140 [ 1470.208915][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1470.208915][ T72] addrconf_add_dev+0xe2/0x170 [ 1470.208915][ T72] inet6_addr_add+0x12f/0xa40 [ 1470.208915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.208915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.208915][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.208915][ T72] netlink_unicast+0x449/0x710 [ 1470.208915][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.208915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.208915][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.208915][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.208915][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.208915][ T72] [ 1470.211127][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1470.211127][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1470.211127][ T72] ipv6_find_idev+0x102/0x170 [ 1470.211127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.211127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.211127][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.211127][ T72] netlink_unicast+0x449/0x710 [ 1470.211127][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.211127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.211127][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.211127][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.211127][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.211127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.211127][ T72] [ 1470.212862][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1470.212862][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1470.212862][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1470.212862][ T72] ipv6_find_idev+0x102/0x170 [ 1470.212862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.212862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.212862][ T72] netlink_rcv_skb+0x130/0x360 [ 1470.212862][ T72] netlink_unicast+0x449/0x710 [ 1470.212862][ T72] netlink_sendmsg+0x723/0xbe0 [ 1470.212862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1470.212862][ T72] ___sys_sendmsg+0xee/0x170 [ 1470.212862][ T72] __sys_sendmsg+0xcd/0x170 [ 1470.212862][ T72] do_syscall_64+0xc6/0x1e0 [ 1470.212862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.212862][ T72] [ 1480.408922][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1480.409429][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1480.409429][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1480.409429][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1480.409429][ T72] fib6_nh_init+0xa22/0x1580 [ 1480.409429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.409429][ T72] ip6_route_add+0x1c/0x140 [ 1480.409429][ T72] inet6_rtm_newroute+0x104/0x110 [ 1480.409429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.409429][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.409429][ T72] netlink_unicast+0x449/0x710 [ 1480.409429][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.409429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.409429][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.409429][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.409429][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.409429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.409429][ T72] [ 1480.411355][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1480.411355][ T72] dst_init+0x84/0x4a0 [ 1480.411355][ T72] dst_alloc+0x97/0x150 [ 1480.411355][ T72] ip6_dst_alloc+0x23/0x90 [ 1480.411355][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1480.411355][ T72] ip6_pol_route+0x56f/0x840 [ 1480.411355][ T72] fib6_rule_lookup+0x456/0x630 [ 1480.411355][ T72] ip6_route_input+0x59c/0xa50 [ 1480.411355][ T72] ipv6_rcv+0x397/0x810 [ 1480.411355][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1480.411355][ T72] process_backlog+0x101/0x620 [ 1480.411355][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1480.411355][ T72] net_rx_action+0x495/0xbe0 [ 1480.411355][ T72] __do_softirq+0x1b5/0x7f6 [ 1480.411355][ T72] [ 1480.412996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1480.412996][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.412996][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.412996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.412996][ T72] ip6_route_add+0x1c/0x140 [ 1480.412996][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1480.412996][ T72] inet6_addr_add+0x4f8/0xa40 [ 1480.412996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.412996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.412996][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.412996][ T72] netlink_unicast+0x449/0x710 [ 1480.412996][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.412996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.412996][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.412996][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.412996][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.412996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.412996][ T72] [ 1480.414988][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1480.414988][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.414988][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.414988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.414988][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1480.414988][ T72] ipv6_add_addr+0x411/0x2000 [ 1480.414988][ T72] inet6_addr_add+0x30e/0xa40 [ 1480.414988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.414988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.414988][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.414988][ T72] netlink_unicast+0x449/0x710 [ 1480.414988][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.414988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.414988][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.414988][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.414988][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.414988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.414988][ T72] [ 1480.416966][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1480.416966][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.416966][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.416966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.416966][ T72] ip6_route_add+0x1c/0x140 [ 1480.416966][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1480.416966][ T72] addrconf_add_dev+0xe2/0x170 [ 1480.416966][ T72] inet6_addr_add+0x12f/0xa40 [ 1480.416966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.416966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.416966][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.416966][ T72] netlink_unicast+0x449/0x710 [ 1480.416966][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.416966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.416966][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.416966][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.416966][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.416966][ T72] [ 1480.418923][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1480.418923][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1480.418923][ T72] ipv6_find_idev+0x102/0x170 [ 1480.418923][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.418923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.418923][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.418923][ T72] netlink_unicast+0x449/0x710 [ 1480.418923][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.418923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.418923][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.418923][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.418923][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.418923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.418923][ T72] [ 1480.420567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1480.420567][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1480.420567][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1480.420567][ T72] ipv6_find_idev+0x102/0x170 [ 1480.420567][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.420567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.420567][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.420567][ T72] netlink_unicast+0x449/0x710 [ 1480.420567][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.420567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.420567][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.420567][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.420567][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.420567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.420567][ T72] [ 1480.422267][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1480.422536][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1480.422536][ T72] dst_init+0x84/0x4a0 [ 1480.422536][ T72] dst_alloc+0x97/0x150 [ 1480.422536][ T72] ip6_dst_alloc+0x23/0x90 [ 1480.422536][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1480.422536][ T72] ip6_pol_route+0x56f/0x840 [ 1480.422536][ T72] fib6_rule_lookup+0x456/0x630 [ 1480.422536][ T72] ip6_route_input+0x59c/0xa50 [ 1480.422536][ T72] ipv6_rcv+0x397/0x810 [ 1480.422536][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1480.422536][ T72] process_backlog+0x101/0x620 [ 1480.422536][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1480.422536][ T72] net_rx_action+0x495/0xbe0 [ 1480.422536][ T72] __do_softirq+0x1b5/0x7f6 [ 1480.422536][ T72] [ 1480.424165][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1480.424165][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.424165][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.424165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.424165][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1480.424165][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1480.424165][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1480.424165][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1480.424165][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1480.424165][ T72] addrconf_dad_begin+0x310/0x670 [ 1480.424165][ T72] addrconf_dad_work+0x10b/0xab0 [ 1480.424165][ T72] process_one_work+0x84d/0x18a0 [ 1480.424165][ T72] worker_thread+0x587/0xd30 [ 1480.424165][ T72] kthread+0x28a/0x350 [ 1480.424165][ T72] ret_from_fork+0x31/0x70 [ 1480.424165][ T72] ret_from_fork_asm+0x1a/0x30 [ 1480.424165][ T72] [ 1480.426067][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1480.426067][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.426067][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.426067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.426067][ T72] ip6_route_add+0x1c/0x140 [ 1480.426067][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1480.426067][ T72] inet6_addr_add+0x4f8/0xa40 [ 1480.426067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.426067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.426067][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.426067][ T72] netlink_unicast+0x449/0x710 [ 1480.426067][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.426067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.426067][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.426067][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.426067][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.426067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.426067][ T72] [ 1480.428049][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1480.428049][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.428049][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.428049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.428049][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1480.428049][ T72] ipv6_add_addr+0x411/0x2000 [ 1480.428049][ T72] inet6_addr_add+0x30e/0xa40 [ 1480.428049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.428049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.428049][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.428049][ T72] netlink_unicast+0x449/0x710 [ 1480.428049][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.428049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.428049][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.428049][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.428049][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.428049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.428049][ T72] [ 1480.430022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1480.430022][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.430022][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.430022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.430022][ T72] ip6_route_add+0x1c/0x140 [ 1480.430022][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1480.430022][ T72] addrconf_add_dev+0xe2/0x170 [ 1480.430022][ T72] inet6_addr_add+0x12f/0xa40 [ 1480.430022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.430022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.430022][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.430022][ T72] netlink_unicast+0x449/0x710 [ 1480.430022][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.430022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.430022][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.430022][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.430022][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.430022][ T72] [ 1480.431973][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1480.431973][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1480.431973][ T72] ipv6_find_idev+0x102/0x170 [ 1480.431973][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.431973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.431973][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.431973][ T72] netlink_unicast+0x449/0x710 [ 1480.431973][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.431973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.431973][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.431973][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.431973][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.431973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.431973][ T72] [ 1480.433510][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1480.433510][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1480.433510][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1480.433510][ T72] ipv6_find_idev+0x102/0x170 [ 1480.433510][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.433510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.433510][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.433510][ T72] netlink_unicast+0x449/0x710 [ 1480.433510][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.433510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.433510][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.433510][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.433510][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.433510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.433510][ T72] [ 1480.435256][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1480.435584][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1480.435584][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1480.435584][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1480.435584][ T72] fib6_nh_init+0xa22/0x1580 [ 1480.435584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.435584][ T72] ip6_route_add+0x1c/0x140 [ 1480.435584][ T72] inet6_rtm_newroute+0x104/0x110 [ 1480.435584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.435584][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.435584][ T72] netlink_unicast+0x449/0x710 [ 1480.435584][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.435584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.435584][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.435584][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.435584][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.435584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.435584][ T72] [ 1480.437689][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1480.437689][ T72] dst_init+0x84/0x4a0 [ 1480.437689][ T72] dst_alloc+0x97/0x150 [ 1480.437689][ T72] ip6_dst_alloc+0x23/0x90 [ 1480.437689][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1480.437689][ T72] ip6_pol_route+0x56f/0x840 [ 1480.437689][ T72] fib6_rule_lookup+0x456/0x630 [ 1480.437689][ T72] ip6_route_input+0x59c/0xa50 [ 1480.437689][ T72] ipv6_rcv+0x397/0x810 [ 1480.437689][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1480.437689][ T72] process_backlog+0x101/0x620 [ 1480.437689][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1480.437689][ T72] net_rx_action+0x495/0xbe0 [ 1480.437689][ T72] __do_softirq+0x1b5/0x7f6 [ 1480.437689][ T72] [ 1480.439488][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1480.439488][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.439488][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.439488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.439488][ T72] ip6_route_add+0x1c/0x140 [ 1480.439488][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1480.439488][ T72] inet6_addr_add+0x4f8/0xa40 [ 1480.439488][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.439488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.439488][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.439488][ T72] netlink_unicast+0x449/0x710 [ 1480.439488][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.439488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.439488][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.439488][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.439488][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.439488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.439488][ T72] [ 1480.441717][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1480.441717][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.441717][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.441717][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.441717][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1480.441717][ T72] ipv6_add_addr+0x411/0x2000 [ 1480.441717][ T72] inet6_addr_add+0x30e/0xa40 [ 1480.441717][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.441717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.441717][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.441717][ T72] netlink_unicast+0x449/0x710 [ 1480.441717][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.441717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.441717][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.441717][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.441717][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.441717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.441717][ T72] [ 1480.443949][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1480.443949][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.443949][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.443949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.443949][ T72] ip6_route_add+0x1c/0x140 [ 1480.443949][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1480.443949][ T72] addrconf_add_dev+0xe2/0x170 [ 1480.443949][ T72] inet6_addr_add+0x12f/0xa40 [ 1480.443949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.443949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.443949][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.443949][ T72] netlink_unicast+0x449/0x710 [ 1480.443949][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.443949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.443949][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.443949][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.443949][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.443949][ T72] [ 1480.446145][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1480.446145][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1480.446145][ T72] ipv6_find_idev+0x102/0x170 [ 1480.446145][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.446145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.446145][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.446145][ T72] netlink_unicast+0x449/0x710 [ 1480.446145][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.446145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.446145][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.446145][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.446145][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.446145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.446145][ T72] [ 1480.447919][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1480.447919][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1480.447919][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1480.447919][ T72] ipv6_find_idev+0x102/0x170 [ 1480.447919][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.447919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.447919][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.447919][ T72] netlink_unicast+0x449/0x710 [ 1480.447919][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.447919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.447919][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.447919][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.447919][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.447919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.447919][ T72] [ 1480.449772][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1480.450170][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1480.450170][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.450170][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.450170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.450170][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1480.450170][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1480.450170][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1480.450170][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1480.450170][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1480.450170][ T72] addrconf_dad_begin+0x310/0x670 [ 1480.450170][ T72] addrconf_dad_work+0x10b/0xab0 [ 1480.450170][ T72] process_one_work+0x84d/0x18a0 [ 1480.450170][ T72] worker_thread+0x587/0xd30 [ 1480.450170][ T72] kthread+0x28a/0x350 [ 1480.450170][ T72] ret_from_fork+0x31/0x70 [ 1480.450170][ T72] ret_from_fork_asm+0x1a/0x30 [ 1480.450170][ T72] [ 1480.452915][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1480.452915][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.452915][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.452915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.452915][ T72] ip6_route_add+0x1c/0x140 [ 1480.452915][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1480.452915][ T72] inet6_addr_add+0x4f8/0xa40 [ 1480.452915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.452915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.452915][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.452915][ T72] netlink_unicast+0x449/0x710 [ 1480.452915][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.452915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.452915][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.452915][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.452915][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.452915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.452915][ T72] [ 1480.455077][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1480.455077][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.455077][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.455077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.455077][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1480.455077][ T72] ipv6_add_addr+0x411/0x2000 [ 1480.455077][ T72] inet6_addr_add+0x30e/0xa40 [ 1480.455077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.455077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.455077][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.455077][ T72] netlink_unicast+0x449/0x710 [ 1480.455077][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.455077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.455077][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.455077][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.455077][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.455077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.455077][ T72] [ 1480.457361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1480.457361][ T72] netdev_get_by_index+0x5e/0x80 [ 1480.457361][ T72] fib6_nh_init+0x3d8/0x1580 [ 1480.457361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1480.457361][ T72] ip6_route_add+0x1c/0x140 [ 1480.457361][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1480.457361][ T72] addrconf_add_dev+0xe2/0x170 [ 1480.457361][ T72] inet6_addr_add+0x12f/0xa40 [ 1480.457361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.457361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.457361][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.457361][ T72] netlink_unicast+0x449/0x710 [ 1480.457361][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.457361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.457361][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.457361][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.457361][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.457361][ T72] [ 1480.459546][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1480.459546][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1480.459546][ T72] ipv6_find_idev+0x102/0x170 [ 1480.459546][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.459546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.459546][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.459546][ T72] netlink_unicast+0x449/0x710 [ 1480.459546][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.459546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.459546][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.459546][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.459546][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.459546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.459546][ T72] [ 1480.461651][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1480.461651][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1480.461651][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1480.461651][ T72] ipv6_find_idev+0x102/0x170 [ 1480.461651][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.461651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.461651][ T72] netlink_rcv_skb+0x130/0x360 [ 1480.461651][ T72] netlink_unicast+0x449/0x710 [ 1480.461651][ T72] netlink_sendmsg+0x723/0xbe0 [ 1480.461651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1480.461651][ T72] ___sys_sendmsg+0xee/0x170 [ 1480.461651][ T72] __sys_sendmsg+0xcd/0x170 [ 1480.461651][ T72] do_syscall_64+0xc6/0x1e0 [ 1480.461651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.461651][ T72] [ 1490.488910][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1490.489411][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1490.489411][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1490.489411][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1490.489411][ T72] fib6_nh_init+0xa22/0x1580 [ 1490.489411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.489411][ T72] ip6_route_add+0x1c/0x140 [ 1490.489411][ T72] inet6_rtm_newroute+0x104/0x110 [ 1490.489411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.489411][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.489411][ T72] netlink_unicast+0x449/0x710 [ 1490.489411][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.489411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.489411][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.489411][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.489411][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.489411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.489411][ T72] [ 1490.491312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1490.491312][ T72] dst_init+0x84/0x4a0 [ 1490.491312][ T72] dst_alloc+0x97/0x150 [ 1490.491312][ T72] ip6_dst_alloc+0x23/0x90 [ 1490.491312][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1490.491312][ T72] ip6_pol_route+0x56f/0x840 [ 1490.491312][ T72] fib6_rule_lookup+0x456/0x630 [ 1490.491312][ T72] ip6_route_input+0x59c/0xa50 [ 1490.491312][ T72] ipv6_rcv+0x397/0x810 [ 1490.491312][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1490.491312][ T72] process_backlog+0x101/0x620 [ 1490.491312][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1490.491312][ T72] net_rx_action+0x495/0xbe0 [ 1490.491312][ T72] __do_softirq+0x1b5/0x7f6 [ 1490.491312][ T72] [ 1490.492945][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1490.492945][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.492945][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.492945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.492945][ T72] ip6_route_add+0x1c/0x140 [ 1490.492945][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1490.492945][ T72] inet6_addr_add+0x4f8/0xa40 [ 1490.492945][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.492945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.492945][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.492945][ T72] netlink_unicast+0x449/0x710 [ 1490.492945][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.492945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.492945][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.492945][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.492945][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.492945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.492945][ T72] [ 1490.494932][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1490.494932][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.494932][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.494932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.494932][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1490.494932][ T72] ipv6_add_addr+0x411/0x2000 [ 1490.494932][ T72] inet6_addr_add+0x30e/0xa40 [ 1490.494932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.494932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.494932][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.494932][ T72] netlink_unicast+0x449/0x710 [ 1490.494932][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.494932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.494932][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.494932][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.494932][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.494932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.494932][ T72] [ 1490.496916][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1490.496916][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.496916][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.496916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.496916][ T72] ip6_route_add+0x1c/0x140 [ 1490.496916][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1490.496916][ T72] addrconf_add_dev+0xe2/0x170 [ 1490.496916][ T72] inet6_addr_add+0x12f/0xa40 [ 1490.496916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.496916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.496916][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.496916][ T72] netlink_unicast+0x449/0x710 [ 1490.496916][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.496916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.496916][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.496916][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.496916][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.496916][ T72] [ 1490.498880][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1490.498880][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1490.498880][ T72] ipv6_find_idev+0x102/0x170 [ 1490.498880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.498880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.498880][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.498880][ T72] netlink_unicast+0x449/0x710 [ 1490.498880][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.498880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.498880][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.498880][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.498880][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.498880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.498880][ T72] [ 1490.500493][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1490.500493][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1490.500493][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1490.500493][ T72] ipv6_find_idev+0x102/0x170 [ 1490.500493][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.500493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.500493][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.500493][ T72] netlink_unicast+0x449/0x710 [ 1490.500493][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.500493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.500493][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.500493][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.500493][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.500493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.500493][ T72] [ 1490.502194][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1490.502467][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1490.502467][ T72] dst_init+0x84/0x4a0 [ 1490.502467][ T72] dst_alloc+0x97/0x150 [ 1490.502467][ T72] ip6_dst_alloc+0x23/0x90 [ 1490.502467][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1490.502467][ T72] ip6_pol_route+0x56f/0x840 [ 1490.502467][ T72] fib6_rule_lookup+0x456/0x630 [ 1490.502467][ T72] ip6_route_input+0x59c/0xa50 [ 1490.502467][ T72] ipv6_rcv+0x397/0x810 [ 1490.502467][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1490.502467][ T72] process_backlog+0x101/0x620 [ 1490.502467][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1490.502467][ T72] net_rx_action+0x495/0xbe0 [ 1490.502467][ T72] __do_softirq+0x1b5/0x7f6 [ 1490.502467][ T72] [ 1490.504100][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1490.504100][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.504100][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.504100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.504100][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1490.504100][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1490.504100][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1490.504100][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1490.504100][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1490.504100][ T72] addrconf_dad_begin+0x310/0x670 [ 1490.504100][ T72] addrconf_dad_work+0x10b/0xab0 [ 1490.504100][ T72] process_one_work+0x84d/0x18a0 [ 1490.504100][ T72] worker_thread+0x587/0xd30 [ 1490.504100][ T72] kthread+0x28a/0x350 [ 1490.504100][ T72] ret_from_fork+0x31/0x70 [ 1490.504100][ T72] ret_from_fork_asm+0x1a/0x30 [ 1490.504100][ T72] [ 1490.505995][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1490.505995][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.505995][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.505995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.505995][ T72] ip6_route_add+0x1c/0x140 [ 1490.505995][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1490.505995][ T72] inet6_addr_add+0x4f8/0xa40 [ 1490.505995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.505995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.505995][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.505995][ T72] netlink_unicast+0x449/0x710 [ 1490.505995][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.505995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.505995][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.505995][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.505995][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.505995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.505995][ T72] [ 1490.507979][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1490.507979][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.507979][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.507979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.507979][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1490.507979][ T72] ipv6_add_addr+0x411/0x2000 [ 1490.507979][ T72] inet6_addr_add+0x30e/0xa40 [ 1490.507979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.507979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.507979][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.507979][ T72] netlink_unicast+0x449/0x710 [ 1490.507979][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.507979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.507979][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.507979][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.507979][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.507979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.507979][ T72] [ 1490.509959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1490.509959][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.509959][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.509959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.509959][ T72] ip6_route_add+0x1c/0x140 [ 1490.509959][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1490.509959][ T72] addrconf_add_dev+0xe2/0x170 [ 1490.509959][ T72] inet6_addr_add+0x12f/0xa40 [ 1490.509959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.509959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.509959][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.509959][ T72] netlink_unicast+0x449/0x710 [ 1490.509959][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.509959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.509959][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.509959][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.509959][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.509959][ T72] [ 1490.512302][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1490.512302][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1490.512302][ T72] ipv6_find_idev+0x102/0x170 [ 1490.512302][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.512302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.512302][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.512302][ T72] netlink_unicast+0x449/0x710 [ 1490.512302][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.512302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.512302][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.512302][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.512302][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.512302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.512302][ T72] [ 1490.513837][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1490.513837][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1490.513837][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1490.513837][ T72] ipv6_find_idev+0x102/0x170 [ 1490.513837][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.513837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.513837][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.513837][ T72] netlink_unicast+0x449/0x710 [ 1490.513837][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.513837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.513837][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.513837][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.513837][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.513837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.513837][ T72] [ 1490.515574][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1490.515926][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1490.515926][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1490.515926][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1490.515926][ T72] fib6_nh_init+0xa22/0x1580 [ 1490.515926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.515926][ T72] ip6_route_add+0x1c/0x140 [ 1490.515926][ T72] inet6_rtm_newroute+0x104/0x110 [ 1490.515926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.515926][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.515926][ T72] netlink_unicast+0x449/0x710 [ 1490.515926][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.515926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.515926][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.515926][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.515926][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.515926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.515926][ T72] [ 1490.517903][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1490.517903][ T72] dst_init+0x84/0x4a0 [ 1490.517903][ T72] dst_alloc+0x97/0x150 [ 1490.517903][ T72] ip6_dst_alloc+0x23/0x90 [ 1490.517903][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1490.517903][ T72] ip6_pol_route+0x56f/0x840 [ 1490.517903][ T72] fib6_rule_lookup+0x456/0x630 [ 1490.517903][ T72] ip6_route_input+0x59c/0xa50 [ 1490.517903][ T72] ipv6_rcv+0x397/0x810 [ 1490.517903][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1490.517903][ T72] process_backlog+0x101/0x620 [ 1490.517903][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1490.517903][ T72] net_rx_action+0x495/0xbe0 [ 1490.517903][ T72] __do_softirq+0x1b5/0x7f6 [ 1490.517903][ T72] [ 1490.519707][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1490.519707][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.519707][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.519707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.519707][ T72] ip6_route_add+0x1c/0x140 [ 1490.519707][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1490.519707][ T72] inet6_addr_add+0x4f8/0xa40 [ 1490.519707][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.519707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.519707][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.519707][ T72] netlink_unicast+0x449/0x710 [ 1490.519707][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.519707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.519707][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.519707][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.519707][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.519707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.519707][ T72] [ 1490.521943][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1490.521943][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.521943][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.521943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.521943][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1490.521943][ T72] ipv6_add_addr+0x411/0x2000 [ 1490.521943][ T72] inet6_addr_add+0x30e/0xa40 [ 1490.521943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.521943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.521943][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.521943][ T72] netlink_unicast+0x449/0x710 [ 1490.521943][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.521943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.521943][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.521943][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.521943][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.521943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.521943][ T72] [ 1490.524231][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1490.524231][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.524231][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.524231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.524231][ T72] ip6_route_add+0x1c/0x140 [ 1490.524231][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1490.524231][ T72] addrconf_add_dev+0xe2/0x170 [ 1490.524231][ T72] inet6_addr_add+0x12f/0xa40 [ 1490.524231][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.524231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.524231][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.524231][ T72] netlink_unicast+0x449/0x710 [ 1490.524231][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.524231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.524231][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.524231][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.524231][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.524231][ T72] [ 1490.526476][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1490.526476][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1490.526476][ T72] ipv6_find_idev+0x102/0x170 [ 1490.526476][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.526476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.526476][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.526476][ T72] netlink_unicast+0x449/0x710 [ 1490.526476][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.526476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.526476][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.526476][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.526476][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.526476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.526476][ T72] [ 1490.528188][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1490.528188][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1490.528188][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1490.528188][ T72] ipv6_find_idev+0x102/0x170 [ 1490.528188][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.528188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.528188][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.528188][ T72] netlink_unicast+0x449/0x710 [ 1490.528188][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.528188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.528188][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.528188][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.528188][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.528188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.528188][ T72] [ 1490.530046][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1490.530320][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1490.530320][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.530320][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.530320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.530320][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1490.530320][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1490.530320][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1490.530320][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1490.530320][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1490.530320][ T72] addrconf_dad_begin+0x310/0x670 [ 1490.530320][ T72] addrconf_dad_work+0x10b/0xab0 [ 1490.530320][ T72] process_one_work+0x84d/0x18a0 [ 1490.530320][ T72] worker_thread+0x587/0xd30 [ 1490.530320][ T72] kthread+0x28a/0x350 [ 1490.530320][ T72] ret_from_fork+0x31/0x70 [ 1490.530320][ T72] ret_from_fork_asm+0x1a/0x30 [ 1490.530320][ T72] [ 1490.532552][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1490.532552][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.532552][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.532552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.532552][ T72] ip6_route_add+0x1c/0x140 [ 1490.532552][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1490.532552][ T72] inet6_addr_add+0x4f8/0xa40 [ 1490.532552][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.532552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.532552][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.532552][ T72] netlink_unicast+0x449/0x710 [ 1490.532552][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.532552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.532552][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.532552][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.532552][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.532552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.532552][ T72] [ 1490.534778][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1490.534778][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.534778][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.534778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.534778][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1490.534778][ T72] ipv6_add_addr+0x411/0x2000 [ 1490.534778][ T72] inet6_addr_add+0x30e/0xa40 [ 1490.534778][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.534778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.534778][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.534778][ T72] netlink_unicast+0x449/0x710 [ 1490.534778][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.534778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.534778][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.534778][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.534778][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.534778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.534778][ T72] [ 1490.537003][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1490.537003][ T72] netdev_get_by_index+0x5e/0x80 [ 1490.537003][ T72] fib6_nh_init+0x3d8/0x1580 [ 1490.537003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1490.537003][ T72] ip6_route_add+0x1c/0x140 [ 1490.537003][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1490.537003][ T72] addrconf_add_dev+0xe2/0x170 [ 1490.537003][ T72] inet6_addr_add+0x12f/0xa40 [ 1490.537003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.537003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.537003][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.537003][ T72] netlink_unicast+0x449/0x710 [ 1490.537003][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.537003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.537003][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.537003][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.537003][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.537003][ T72] [ 1490.539214][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1490.539214][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1490.539214][ T72] ipv6_find_idev+0x102/0x170 [ 1490.539214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.539214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.539214][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.539214][ T72] netlink_unicast+0x449/0x710 [ 1490.539214][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.539214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.539214][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.539214][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.539214][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.539214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.539214][ T72] [ 1490.540864][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1490.540864][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1490.540864][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1490.540864][ T72] ipv6_find_idev+0x102/0x170 [ 1490.540864][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.540864][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.540864][ T72] netlink_rcv_skb+0x130/0x360 [ 1490.540864][ T72] netlink_unicast+0x449/0x710 [ 1490.540864][ T72] netlink_sendmsg+0x723/0xbe0 [ 1490.540864][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1490.540864][ T72] ___sys_sendmsg+0xee/0x170 [ 1490.540864][ T72] __sys_sendmsg+0xcd/0x170 [ 1490.540864][ T72] do_syscall_64+0xc6/0x1e0 [ 1490.540864][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.540864][ T72] [ 1500.600839][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1500.601335][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1500.601335][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1500.601335][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1500.601335][ T72] fib6_nh_init+0xa22/0x1580 [ 1500.601335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.601335][ T72] ip6_route_add+0x1c/0x140 [ 1500.601335][ T72] inet6_rtm_newroute+0x104/0x110 [ 1500.601335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.601335][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.601335][ T72] netlink_unicast+0x449/0x710 [ 1500.601335][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.601335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.601335][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.601335][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.601335][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.601335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.601335][ T72] [ 1500.603236][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1500.603236][ T72] dst_init+0x84/0x4a0 [ 1500.603236][ T72] dst_alloc+0x97/0x150 [ 1500.603236][ T72] ip6_dst_alloc+0x23/0x90 [ 1500.603236][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1500.603236][ T72] ip6_pol_route+0x56f/0x840 [ 1500.603236][ T72] fib6_rule_lookup+0x456/0x630 [ 1500.603236][ T72] ip6_route_input+0x59c/0xa50 [ 1500.603236][ T72] ipv6_rcv+0x397/0x810 [ 1500.603236][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1500.603236][ T72] process_backlog+0x101/0x620 [ 1500.603236][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1500.603236][ T72] net_rx_action+0x495/0xbe0 [ 1500.603236][ T72] __do_softirq+0x1b5/0x7f6 [ 1500.603236][ T72] [ 1500.604874][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1500.604874][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.604874][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.604874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.604874][ T72] ip6_route_add+0x1c/0x140 [ 1500.604874][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1500.604874][ T72] inet6_addr_add+0x4f8/0xa40 [ 1500.604874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.604874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.604874][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.604874][ T72] netlink_unicast+0x449/0x710 [ 1500.604874][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.604874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.604874][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.604874][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.604874][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.604874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.604874][ T72] [ 1500.606861][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1500.606861][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.606861][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.606861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.606861][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1500.606861][ T72] ipv6_add_addr+0x411/0x2000 [ 1500.606861][ T72] inet6_addr_add+0x30e/0xa40 [ 1500.606861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.606861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.606861][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.606861][ T72] netlink_unicast+0x449/0x710 [ 1500.606861][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.606861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.606861][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.606861][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.606861][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.606861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.606861][ T72] [ 1500.608851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1500.608851][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.608851][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.608851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.608851][ T72] ip6_route_add+0x1c/0x140 [ 1500.608851][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1500.608851][ T72] addrconf_add_dev+0xe2/0x170 [ 1500.608851][ T72] inet6_addr_add+0x12f/0xa40 [ 1500.608851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.608851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.608851][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.608851][ T72] netlink_unicast+0x449/0x710 [ 1500.608851][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.608851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.608851][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.608851][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.608851][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.608851][ T72] [ 1500.610808][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1500.610808][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1500.610808][ T72] ipv6_find_idev+0x102/0x170 [ 1500.610808][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.610808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.610808][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.610808][ T72] netlink_unicast+0x449/0x710 [ 1500.610808][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.610808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.610808][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.610808][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.610808][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.610808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.610808][ T72] [ 1500.612341][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1500.612341][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1500.612341][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1500.612341][ T72] ipv6_find_idev+0x102/0x170 [ 1500.612341][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.612341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.612341][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.612341][ T72] netlink_unicast+0x449/0x710 [ 1500.612341][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.612341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.612341][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.612341][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.612341][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.612341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.612341][ T72] [ 1500.614030][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1500.614300][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1500.614300][ T72] dst_init+0x84/0x4a0 [ 1500.614300][ T72] dst_alloc+0x97/0x150 [ 1500.614300][ T72] ip6_dst_alloc+0x23/0x90 [ 1500.614300][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1500.614300][ T72] ip6_pol_route+0x56f/0x840 [ 1500.614300][ T72] fib6_rule_lookup+0x456/0x630 [ 1500.614300][ T72] ip6_route_input+0x59c/0xa50 [ 1500.614300][ T72] ipv6_rcv+0x397/0x810 [ 1500.614300][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1500.614300][ T72] process_backlog+0x101/0x620 [ 1500.614300][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1500.614300][ T72] net_rx_action+0x495/0xbe0 [ 1500.614300][ T72] __do_softirq+0x1b5/0x7f6 [ 1500.614300][ T72] [ 1500.615932][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1500.615932][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.615932][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.615932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.615932][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1500.615932][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1500.615932][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1500.615932][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1500.615932][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1500.615932][ T72] addrconf_dad_begin+0x310/0x670 [ 1500.615932][ T72] addrconf_dad_work+0x10b/0xab0 [ 1500.615932][ T72] process_one_work+0x84d/0x18a0 [ 1500.615932][ T72] worker_thread+0x587/0xd30 [ 1500.615932][ T72] kthread+0x28a/0x350 [ 1500.615932][ T72] ret_from_fork+0x31/0x70 [ 1500.615932][ T72] ret_from_fork_asm+0x1a/0x30 [ 1500.615932][ T72] [ 1500.617829][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1500.617829][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.617829][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.617829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.617829][ T72] ip6_route_add+0x1c/0x140 [ 1500.617829][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1500.617829][ T72] inet6_addr_add+0x4f8/0xa40 [ 1500.617829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.617829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.617829][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.617829][ T72] netlink_unicast+0x449/0x710 [ 1500.617829][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.617829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.617829][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.617829][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.617829][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.617829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.617829][ T72] [ 1500.619813][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1500.619813][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.619813][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.619813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.619813][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1500.619813][ T72] ipv6_add_addr+0x411/0x2000 [ 1500.619813][ T72] inet6_addr_add+0x30e/0xa40 [ 1500.619813][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.619813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.619813][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.619813][ T72] netlink_unicast+0x449/0x710 [ 1500.619813][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.619813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.619813][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.619813][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.619813][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.619813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.619813][ T72] [ 1500.621816][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1500.621816][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.621816][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.621816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.621816][ T72] ip6_route_add+0x1c/0x140 [ 1500.621816][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1500.621816][ T72] addrconf_add_dev+0xe2/0x170 [ 1500.621816][ T72] inet6_addr_add+0x12f/0xa40 [ 1500.621816][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.621816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.621816][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.621816][ T72] netlink_unicast+0x449/0x710 [ 1500.621816][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.621816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.621816][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.621816][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.621816][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.621816][ T72] [ 1500.623760][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1500.623760][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1500.623760][ T72] ipv6_find_idev+0x102/0x170 [ 1500.623760][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.623760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.623760][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.623760][ T72] netlink_unicast+0x449/0x710 [ 1500.623760][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.623760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.623760][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.623760][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.623760][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.623760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.623760][ T72] [ 1500.625288][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1500.625288][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1500.625288][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1500.625288][ T72] ipv6_find_idev+0x102/0x170 [ 1500.625288][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.625288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.625288][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.625288][ T72] netlink_unicast+0x449/0x710 [ 1500.625288][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.625288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.625288][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.625288][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.625288][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.625288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.625288][ T72] [ 1500.627034][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1500.627301][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1500.627301][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1500.627301][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1500.627301][ T72] fib6_nh_init+0xa22/0x1580 [ 1500.627301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.627301][ T72] ip6_route_add+0x1c/0x140 [ 1500.627301][ T72] inet6_rtm_newroute+0x104/0x110 [ 1500.627301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.627301][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.627301][ T72] netlink_unicast+0x449/0x710 [ 1500.627301][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.627301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.627301][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.627301][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.627301][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.627301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.627301][ T72] [ 1500.629289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1500.629289][ T72] dst_init+0x84/0x4a0 [ 1500.629289][ T72] dst_alloc+0x97/0x150 [ 1500.629289][ T72] ip6_dst_alloc+0x23/0x90 [ 1500.629289][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1500.629289][ T72] ip6_pol_route+0x56f/0x840 [ 1500.629289][ T72] fib6_rule_lookup+0x456/0x630 [ 1500.629289][ T72] ip6_route_input+0x59c/0xa50 [ 1500.629289][ T72] ipv6_rcv+0x397/0x810 [ 1500.629289][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1500.629289][ T72] process_backlog+0x101/0x620 [ 1500.629289][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1500.629289][ T72] net_rx_action+0x495/0xbe0 [ 1500.629289][ T72] __do_softirq+0x1b5/0x7f6 [ 1500.629289][ T72] [ 1500.631136][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1500.631136][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.631136][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.631136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.631136][ T72] ip6_route_add+0x1c/0x140 [ 1500.631136][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1500.631136][ T72] inet6_addr_add+0x4f8/0xa40 [ 1500.631136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.631136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.631136][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.631136][ T72] netlink_unicast+0x449/0x710 [ 1500.631136][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.631136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.631136][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.631136][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.631136][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.631136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.631136][ T72] [ 1500.633253][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1500.633253][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.633253][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.633253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.633253][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1500.633253][ T72] ipv6_add_addr+0x411/0x2000 [ 1500.633253][ T72] inet6_addr_add+0x30e/0xa40 [ 1500.633253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.633253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.633253][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.633253][ T72] netlink_unicast+0x449/0x710 [ 1500.633253][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.633253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.633253][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.633253][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.633253][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.633253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.633253][ T72] [ 1500.635362][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1500.635362][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.635362][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.635362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.635362][ T72] ip6_route_add+0x1c/0x140 [ 1500.635362][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1500.635362][ T72] addrconf_add_dev+0xe2/0x170 [ 1500.635362][ T72] inet6_addr_add+0x12f/0xa40 [ 1500.635362][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.635362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.635362][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.635362][ T72] netlink_unicast+0x449/0x710 [ 1500.635362][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.635362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.635362][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.635362][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.635362][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.635362][ T72] [ 1500.637434][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1500.637434][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1500.637434][ T72] ipv6_find_idev+0x102/0x170 [ 1500.637434][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.637434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.637434][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.637434][ T72] netlink_unicast+0x449/0x710 [ 1500.637434][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.637434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.637434][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.637434][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.637434][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.637434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.637434][ T72] [ 1500.639029][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1500.639029][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1500.639029][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1500.639029][ T72] ipv6_find_idev+0x102/0x170 [ 1500.639029][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.639029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.639029][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.639029][ T72] netlink_unicast+0x449/0x710 [ 1500.639029][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.639029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.639029][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.639029][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.639029][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.639029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.639029][ T72] [ 1500.640845][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1500.641118][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1500.641118][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.641118][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.641118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.641118][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1500.641118][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1500.641118][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1500.641118][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1500.641118][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1500.641118][ T72] addrconf_dad_begin+0x310/0x670 [ 1500.641118][ T72] addrconf_dad_work+0x10b/0xab0 [ 1500.641118][ T72] process_one_work+0x84d/0x18a0 [ 1500.641118][ T72] worker_thread+0x587/0xd30 [ 1500.641118][ T72] kthread+0x28a/0x350 [ 1500.641118][ T72] ret_from_fork+0x31/0x70 [ 1500.641118][ T72] ret_from_fork_asm+0x1a/0x30 [ 1500.641118][ T72] [ 1500.643138][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1500.643138][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.643138][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.643138][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.643138][ T72] ip6_route_add+0x1c/0x140 [ 1500.643138][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1500.643138][ T72] inet6_addr_add+0x4f8/0xa40 [ 1500.643138][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.643138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.643138][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.643138][ T72] netlink_unicast+0x449/0x710 [ 1500.643138][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.643138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.643138][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.643138][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.643138][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.643138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.643138][ T72] [ 1500.645264][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1500.645264][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.645264][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.645264][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.645264][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1500.645264][ T72] ipv6_add_addr+0x411/0x2000 [ 1500.645264][ T72] inet6_addr_add+0x30e/0xa40 [ 1500.645264][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.645264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.645264][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.645264][ T72] netlink_unicast+0x449/0x710 [ 1500.645264][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.645264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.645264][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.645264][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.645264][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.645264][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.645264][ T72] [ 1500.647371][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1500.647371][ T72] netdev_get_by_index+0x5e/0x80 [ 1500.647371][ T72] fib6_nh_init+0x3d8/0x1580 [ 1500.647371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1500.647371][ T72] ip6_route_add+0x1c/0x140 [ 1500.647371][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1500.647371][ T72] addrconf_add_dev+0xe2/0x170 [ 1500.647371][ T72] inet6_addr_add+0x12f/0xa40 [ 1500.647371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.647371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.647371][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.647371][ T72] netlink_unicast+0x449/0x710 [ 1500.647371][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.647371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.647371][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.647371][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.647371][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.647371][ T72] [ 1500.649447][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1500.649447][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1500.649447][ T72] ipv6_find_idev+0x102/0x170 [ 1500.649447][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.649447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.649447][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.649447][ T72] netlink_unicast+0x449/0x710 [ 1500.649447][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.649447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.649447][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.649447][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.649447][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.649447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.649447][ T72] [ 1500.651041][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1500.651041][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1500.651041][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1500.651041][ T72] ipv6_find_idev+0x102/0x170 [ 1500.651041][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.651041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.651041][ T72] netlink_rcv_skb+0x130/0x360 [ 1500.651041][ T72] netlink_unicast+0x449/0x710 [ 1500.651041][ T72] netlink_sendmsg+0x723/0xbe0 [ 1500.651041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1500.651041][ T72] ___sys_sendmsg+0xee/0x170 [ 1500.651041][ T72] __sys_sendmsg+0xcd/0x170 [ 1500.651041][ T72] do_syscall_64+0xc6/0x1e0 [ 1500.651041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.651041][ T72] [ 1510.712916][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1510.713434][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1510.713434][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1510.713434][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1510.713434][ T72] fib6_nh_init+0xa22/0x1580 [ 1510.713434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.713434][ T72] ip6_route_add+0x1c/0x140 [ 1510.713434][ T72] inet6_rtm_newroute+0x104/0x110 [ 1510.713434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.713434][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.713434][ T72] netlink_unicast+0x449/0x710 [ 1510.713434][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.713434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.713434][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.713434][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.713434][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.713434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.713434][ T72] [ 1510.715333][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1510.715333][ T72] dst_init+0x84/0x4a0 [ 1510.715333][ T72] dst_alloc+0x97/0x150 [ 1510.715333][ T72] ip6_dst_alloc+0x23/0x90 [ 1510.715333][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1510.715333][ T72] ip6_pol_route+0x56f/0x840 [ 1510.715333][ T72] fib6_rule_lookup+0x456/0x630 [ 1510.715333][ T72] ip6_route_input+0x59c/0xa50 [ 1510.715333][ T72] ipv6_rcv+0x397/0x810 [ 1510.715333][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1510.715333][ T72] process_backlog+0x101/0x620 [ 1510.715333][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1510.715333][ T72] net_rx_action+0x495/0xbe0 [ 1510.715333][ T72] __do_softirq+0x1b5/0x7f6 [ 1510.715333][ T72] [ 1510.717090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1510.717090][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.717090][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.717090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.717090][ T72] ip6_route_add+0x1c/0x140 [ 1510.717090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1510.717090][ T72] inet6_addr_add+0x4f8/0xa40 [ 1510.717090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.717090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.717090][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.717090][ T72] netlink_unicast+0x449/0x710 [ 1510.717090][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.717090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.717090][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.717090][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.717090][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.717090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.717090][ T72] [ 1510.719078][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1510.719078][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.719078][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.719078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.719078][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1510.719078][ T72] ipv6_add_addr+0x411/0x2000 [ 1510.719078][ T72] inet6_addr_add+0x30e/0xa40 [ 1510.719078][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.719078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.719078][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.719078][ T72] netlink_unicast+0x449/0x710 [ 1510.719078][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.719078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.719078][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.719078][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.719078][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.719078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.719078][ T72] [ 1510.721072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1510.721072][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.721072][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.721072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.721072][ T72] ip6_route_add+0x1c/0x140 [ 1510.721072][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1510.721072][ T72] addrconf_add_dev+0xe2/0x170 [ 1510.721072][ T72] inet6_addr_add+0x12f/0xa40 [ 1510.721072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.721072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.721072][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.721072][ T72] netlink_unicast+0x449/0x710 [ 1510.721072][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.721072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.721072][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.721072][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.721072][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.721072][ T72] [ 1510.723017][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1510.723017][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1510.723017][ T72] ipv6_find_idev+0x102/0x170 [ 1510.723017][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1510.723017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.723017][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.723017][ T72] netlink_unicast+0x449/0x710 [ 1510.723017][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.723017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.723017][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.723017][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.723017][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.723017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.723017][ T72] [ 1510.724539][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1510.724539][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1510.724539][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1510.724539][ T72] ipv6_find_idev+0x102/0x170 [ 1510.724539][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1510.724539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.724539][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.724539][ T72] netlink_unicast+0x449/0x710 [ 1510.724539][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.724539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.724539][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.724539][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.724539][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.724539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.724539][ T72] [ 1510.726221][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1510.726487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1510.726487][ T72] dst_init+0x84/0x4a0 [ 1510.726487][ T72] dst_alloc+0x97/0x150 [ 1510.726487][ T72] ip6_dst_alloc+0x23/0x90 [ 1510.726487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1510.726487][ T72] ip6_pol_route+0x56f/0x840 [ 1510.726487][ T72] fib6_rule_lookup+0x456/0x630 [ 1510.726487][ T72] ip6_route_input+0x59c/0xa50 [ 1510.726487][ T72] ipv6_rcv+0x397/0x810 [ 1510.726487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1510.726487][ T72] process_backlog+0x101/0x620 [ 1510.726487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1510.726487][ T72] net_rx_action+0x495/0xbe0 [ 1510.726487][ T72] __do_softirq+0x1b5/0x7f6 [ 1510.726487][ T72] [ 1510.728114][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1510.728114][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.728114][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.728114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.728114][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1510.728114][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1510.728114][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1510.728114][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1510.728114][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1510.728114][ T72] addrconf_dad_begin+0x310/0x670 [ 1510.728114][ T72] addrconf_dad_work+0x10b/0xab0 [ 1510.728114][ T72] process_one_work+0x84d/0x18a0 [ 1510.728114][ T72] worker_thread+0x587/0xd30 [ 1510.728114][ T72] kthread+0x28a/0x350 [ 1510.728114][ T72] ret_from_fork+0x31/0x70 [ 1510.728114][ T72] ret_from_fork_asm+0x1a/0x30 [ 1510.728114][ T72] [ 1510.730020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1510.730020][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.730020][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.730020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.730020][ T72] ip6_route_add+0x1c/0x140 [ 1510.730020][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1510.730020][ T72] inet6_addr_add+0x4f8/0xa40 [ 1510.730020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.730020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.730020][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.730020][ T72] netlink_unicast+0x449/0x710 [ 1510.730020][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.730020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.730020][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.730020][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.730020][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.730020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.730020][ T72] [ 1510.732002][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1510.732002][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.732002][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.732002][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.732002][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1510.732002][ T72] ipv6_add_addr+0x411/0x2000 [ 1510.732002][ T72] inet6_addr_add+0x30e/0xa40 [ 1510.732002][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.732002][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.732002][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.732002][ T72] netlink_unicast+0x449/0x710 [ 1510.732002][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.732002][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.732002][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.732002][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.732002][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.732002][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.732002][ T72] [ 1510.734516][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1510.734516][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.734516][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.734516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.734516][ T72] ip6_route_add+0x1c/0x140 [ 1510.734516][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1510.734516][ T72] addrconf_add_dev+0xe2/0x170 [ 1510.734516][ T72] inet6_addr_add+0x12f/0xa40 [ 1510.734516][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.734516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.734516][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.734516][ T72] netlink_unicast+0x449/0x710 [ 1510.734516][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.734516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.734516][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.734516][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.734516][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.734516][ T72] [ 1510.736467][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1510.736467][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1510.736467][ T72] ipv6_find_idev+0x102/0x170 [ 1510.736467][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1510.736467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.736467][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.736467][ T72] netlink_unicast+0x449/0x710 [ 1510.736467][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.736467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.736467][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.736467][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.736467][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.736467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.736467][ T72] [ 1510.737997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1510.737997][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1510.737997][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1510.737997][ T72] ipv6_find_idev+0x102/0x170 [ 1510.737997][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1510.737997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.737997][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.737997][ T72] netlink_unicast+0x449/0x710 [ 1510.737997][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.737997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.737997][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.737997][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.737997][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.737997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.737997][ T72] [ 1510.739735][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1510.740016][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1510.740016][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1510.740016][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1510.740016][ T72] fib6_nh_init+0xa22/0x1580 [ 1510.740016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.740016][ T72] ip6_route_add+0x1c/0x140 [ 1510.740016][ T72] inet6_rtm_newroute+0x104/0x110 [ 1510.740016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.740016][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.740016][ T72] netlink_unicast+0x449/0x710 [ 1510.740016][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.740016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.740016][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.740016][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.740016][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.740016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.740016][ T72] [ 1510.742015][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1510.742015][ T72] dst_init+0x84/0x4a0 [ 1510.742015][ T72] dst_alloc+0x97/0x150 [ 1510.742015][ T72] ip6_dst_alloc+0x23/0x90 [ 1510.742015][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1510.742015][ T72] ip6_pol_route+0x56f/0x840 [ 1510.742015][ T72] fib6_rule_lookup+0x456/0x630 [ 1510.742015][ T72] ip6_route_input+0x59c/0xa50 [ 1510.742015][ T72] ipv6_rcv+0x397/0x810 [ 1510.742015][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1510.742015][ T72] process_backlog+0x101/0x620 [ 1510.742015][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1510.742015][ T72] net_rx_action+0x495/0xbe0 [ 1510.742015][ T72] __do_softirq+0x1b5/0x7f6 [ 1510.742015][ T72] [ 1510.743716][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1510.743716][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.743716][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.743716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.743716][ T72] ip6_route_add+0x1c/0x140 [ 1510.743716][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1510.743716][ T72] inet6_addr_add+0x4f8/0xa40 [ 1510.743716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.743716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.743716][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.743716][ T72] netlink_unicast+0x449/0x710 [ 1510.743716][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.743716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.743716][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.743716][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.743716][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.743716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.743716][ T72] [ 1510.745823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1510.745823][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.745823][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.745823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.745823][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1510.745823][ T72] ipv6_add_addr+0x411/0x2000 [ 1510.745823][ T72] inet6_addr_add+0x30e/0xa40 [ 1510.745823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.745823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.745823][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.745823][ T72] netlink_unicast+0x449/0x710 [ 1510.745823][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.745823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.745823][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.745823][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.745823][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.745823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.745823][ T72] [ 1510.747931][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1510.747931][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.747931][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.747931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.747931][ T72] ip6_route_add+0x1c/0x140 [ 1510.747931][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1510.747931][ T72] addrconf_add_dev+0xe2/0x170 [ 1510.747931][ T72] inet6_addr_add+0x12f/0xa40 [ 1510.747931][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.747931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.747931][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.747931][ T72] netlink_unicast+0x449/0x710 [ 1510.747931][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.747931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.747931][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.747931][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.747931][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.747931][ T72] [ 1510.750005][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1510.750005][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1510.750005][ T72] ipv6_find_idev+0x102/0x170 [ 1510.750005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1510.750005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.750005][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.750005][ T72] netlink_unicast+0x449/0x710 [ 1510.750005][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.750005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.750005][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.750005][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.750005][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.750005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.750005][ T72] [ 1510.751659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1510.751659][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1510.751659][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1510.751659][ T72] ipv6_find_idev+0x102/0x170 [ 1510.751659][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1510.751659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.751659][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.751659][ T72] netlink_unicast+0x449/0x710 [ 1510.751659][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.751659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.751659][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.751659][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.751659][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.751659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.751659][ T72] [ 1510.753384][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1510.753658][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1510.753658][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.753658][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.753658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.753658][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1510.753658][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1510.753658][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1510.753658][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1510.753658][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1510.753658][ T72] addrconf_dad_begin+0x310/0x670 [ 1510.753658][ T72] addrconf_dad_work+0x10b/0xab0 [ 1510.753658][ T72] process_one_work+0x84d/0x18a0 [ 1510.753658][ T72] worker_thread+0x587/0xd30 [ 1510.753658][ T72] kthread+0x28a/0x350 [ 1510.753658][ T72] ret_from_fork+0x31/0x70 [ 1510.753658][ T72] ret_from_fork_asm+0x1a/0x30 [ 1510.753658][ T72] [ 1510.756464][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1510.756464][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.756464][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.756464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.756464][ T72] ip6_route_add+0x1c/0x140 [ 1510.756464][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1510.756464][ T72] inet6_addr_add+0x4f8/0xa40 [ 1510.756464][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.756464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.756464][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.756464][ T72] netlink_unicast+0x449/0x710 [ 1510.756464][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.756464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.756464][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.756464][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.756464][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.756464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.756464][ T72] [ 1510.758592][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1510.758592][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.758592][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.758592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.758592][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1510.758592][ T72] ipv6_add_addr+0x411/0x2000 [ 1510.758592][ T72] inet6_addr_add+0x30e/0xa40 [ 1510.758592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.758592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.758592][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.758592][ T72] netlink_unicast+0x449/0x710 [ 1510.758592][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.758592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.758592][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.758592][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.758592][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.758592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.758592][ T72] [ 1510.760704][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1510.760704][ T72] netdev_get_by_index+0x5e/0x80 [ 1510.760704][ T72] fib6_nh_init+0x3d8/0x1580 [ 1510.760704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1510.760704][ T72] ip6_route_add+0x1c/0x140 [ 1510.760704][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1510.760704][ T72] addrconf_add_dev+0xe2/0x170 [ 1510.760704][ T72] inet6_addr_add+0x12f/0xa40 [ 1510.760704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1510.760704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.760704][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.760704][ T72] netlink_unicast+0x449/0x710 [ 1510.760704][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.760704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.760704][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.760704][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.760704][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.760704][ T72] [ 1510.762788][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1510.762788][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1510.762788][ T72] ipv6_find_idev+0x102/0x170 [ 1510.762788][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1510.762788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.762788][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.762788][ T72] netlink_unicast+0x449/0x710 [ 1510.762788][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.762788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.762788][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.762788][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.762788][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.762788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.762788][ T72] [ 1510.764380][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1510.764380][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1510.764380][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1510.764380][ T72] ipv6_find_idev+0x102/0x170 [ 1510.764380][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1510.764380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1510.764380][ T72] netlink_rcv_skb+0x130/0x360 [ 1510.764380][ T72] netlink_unicast+0x449/0x710 [ 1510.764380][ T72] netlink_sendmsg+0x723/0xbe0 [ 1510.764380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1510.764380][ T72] ___sys_sendmsg+0xee/0x170 [ 1510.764380][ T72] __sys_sendmsg+0xcd/0x170 [ 1510.764380][ T72] do_syscall_64+0xc6/0x1e0 [ 1510.764380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1510.764380][ T72] [ 1520.800846][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1520.801358][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1520.801358][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1520.801358][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1520.801358][ T72] fib6_nh_init+0xa22/0x1580 [ 1520.801358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.801358][ T72] ip6_route_add+0x1c/0x140 [ 1520.801358][ T72] inet6_rtm_newroute+0x104/0x110 [ 1520.801358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.801358][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.801358][ T72] netlink_unicast+0x449/0x710 [ 1520.801358][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.801358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.801358][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.801358][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.801358][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.801358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.801358][ T72] [ 1520.803242][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1520.803242][ T72] dst_init+0x84/0x4a0 [ 1520.803242][ T72] dst_alloc+0x97/0x150 [ 1520.803242][ T72] ip6_dst_alloc+0x23/0x90 [ 1520.803242][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1520.803242][ T72] ip6_pol_route+0x56f/0x840 [ 1520.803242][ T72] fib6_rule_lookup+0x456/0x630 [ 1520.803242][ T72] ip6_route_input+0x59c/0xa50 [ 1520.803242][ T72] ipv6_rcv+0x397/0x810 [ 1520.803242][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1520.803242][ T72] process_backlog+0x101/0x620 [ 1520.803242][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1520.803242][ T72] net_rx_action+0x495/0xbe0 [ 1520.803242][ T72] __do_softirq+0x1b5/0x7f6 [ 1520.803242][ T72] [ 1520.804879][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1520.804879][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.804879][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.804879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.804879][ T72] ip6_route_add+0x1c/0x140 [ 1520.804879][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1520.804879][ T72] inet6_addr_add+0x4f8/0xa40 [ 1520.804879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.804879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.804879][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.804879][ T72] netlink_unicast+0x449/0x710 [ 1520.804879][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.804879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.804879][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.804879][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.804879][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.804879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.804879][ T72] [ 1520.806871][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1520.806871][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.806871][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.806871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.806871][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1520.806871][ T72] ipv6_add_addr+0x411/0x2000 [ 1520.806871][ T72] inet6_addr_add+0x30e/0xa40 [ 1520.806871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.806871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.806871][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.806871][ T72] netlink_unicast+0x449/0x710 [ 1520.806871][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.806871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.806871][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.806871][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.806871][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.806871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.806871][ T72] [ 1520.808868][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1520.808868][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.808868][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.808868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.808868][ T72] ip6_route_add+0x1c/0x140 [ 1520.808868][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1520.808868][ T72] addrconf_add_dev+0xe2/0x170 [ 1520.808868][ T72] inet6_addr_add+0x12f/0xa40 [ 1520.808868][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.808868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.808868][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.808868][ T72] netlink_unicast+0x449/0x710 [ 1520.808868][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.808868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.808868][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.808868][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.808868][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.808868][ T72] [ 1520.810845][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1520.810845][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1520.810845][ T72] ipv6_find_idev+0x102/0x170 [ 1520.810845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1520.810845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.810845][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.810845][ T72] netlink_unicast+0x449/0x710 [ 1520.810845][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.810845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.810845][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.810845][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.810845][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.810845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.810845][ T72] [ 1520.812370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1520.812370][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1520.812370][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1520.812370][ T72] ipv6_find_idev+0x102/0x170 [ 1520.812370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1520.812370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.812370][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.812370][ T72] netlink_unicast+0x449/0x710 [ 1520.812370][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.812370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.812370][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.812370][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.812370][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.812370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.812370][ T72] [ 1520.814048][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1520.814317][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1520.814317][ T72] dst_init+0x84/0x4a0 [ 1520.814317][ T72] dst_alloc+0x97/0x150 [ 1520.814317][ T72] ip6_dst_alloc+0x23/0x90 [ 1520.814317][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1520.814317][ T72] ip6_pol_route+0x56f/0x840 [ 1520.814317][ T72] fib6_rule_lookup+0x456/0x630 [ 1520.814317][ T72] ip6_route_input+0x59c/0xa50 [ 1520.814317][ T72] ipv6_rcv+0x397/0x810 [ 1520.814317][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1520.814317][ T72] process_backlog+0x101/0x620 [ 1520.814317][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1520.814317][ T72] net_rx_action+0x495/0xbe0 [ 1520.814317][ T72] __do_softirq+0x1b5/0x7f6 [ 1520.814317][ T72] [ 1520.815963][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1520.815963][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.815963][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.815963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.815963][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1520.815963][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1520.815963][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1520.815963][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1520.815963][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1520.815963][ T72] addrconf_dad_begin+0x310/0x670 [ 1520.815963][ T72] addrconf_dad_work+0x10b/0xab0 [ 1520.815963][ T72] process_one_work+0x84d/0x18a0 [ 1520.815963][ T72] worker_thread+0x587/0xd30 [ 1520.815963][ T72] kthread+0x28a/0x350 [ 1520.815963][ T72] ret_from_fork+0x31/0x70 [ 1520.815963][ T72] ret_from_fork_asm+0x1a/0x30 [ 1520.815963][ T72] [ 1520.817998][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1520.817998][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.817998][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.817998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.817998][ T72] ip6_route_add+0x1c/0x140 [ 1520.817998][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1520.817998][ T72] inet6_addr_add+0x4f8/0xa40 [ 1520.817998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.817998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.817998][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.817998][ T72] netlink_unicast+0x449/0x710 [ 1520.817998][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.817998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.817998][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.817998][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.817998][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.817998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.817998][ T72] [ 1520.819981][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1520.819981][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.819981][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.819981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.819981][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1520.819981][ T72] ipv6_add_addr+0x411/0x2000 [ 1520.819981][ T72] inet6_addr_add+0x30e/0xa40 [ 1520.819981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.819981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.819981][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.819981][ T72] netlink_unicast+0x449/0x710 [ 1520.819981][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.819981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.819981][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.819981][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.819981][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.819981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.819981][ T72] [ 1520.821962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1520.821962][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.821962][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.821962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.821962][ T72] ip6_route_add+0x1c/0x140 [ 1520.821962][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1520.821962][ T72] addrconf_add_dev+0xe2/0x170 [ 1520.821962][ T72] inet6_addr_add+0x12f/0xa40 [ 1520.821962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.821962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.821962][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.821962][ T72] netlink_unicast+0x449/0x710 [ 1520.821962][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.821962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.821962][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.821962][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.821962][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.821962][ T72] [ 1520.823910][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1520.823910][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1520.823910][ T72] ipv6_find_idev+0x102/0x170 [ 1520.823910][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1520.823910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.823910][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.823910][ T72] netlink_unicast+0x449/0x710 [ 1520.823910][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.823910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.823910][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.823910][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.823910][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.823910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.823910][ T72] [ 1520.825469][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1520.825469][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1520.825469][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1520.825469][ T72] ipv6_find_idev+0x102/0x170 [ 1520.825469][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1520.825469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.825469][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.825469][ T72] netlink_unicast+0x449/0x710 [ 1520.825469][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.825469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.825469][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.825469][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.825469][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.825469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.825469][ T72] [ 1520.827140][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1520.827525][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1520.827525][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1520.827525][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1520.827525][ T72] fib6_nh_init+0xa22/0x1580 [ 1520.827525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.827525][ T72] ip6_route_add+0x1c/0x140 [ 1520.827525][ T72] inet6_rtm_newroute+0x104/0x110 [ 1520.827525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.827525][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.827525][ T72] netlink_unicast+0x449/0x710 [ 1520.827525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.827525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.827525][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.827525][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.827525][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.827525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.827525][ T72] [ 1520.829577][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1520.829577][ T72] dst_init+0x84/0x4a0 [ 1520.829577][ T72] dst_alloc+0x97/0x150 [ 1520.829577][ T72] ip6_dst_alloc+0x23/0x90 [ 1520.829577][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1520.829577][ T72] ip6_pol_route+0x56f/0x840 [ 1520.829577][ T72] fib6_rule_lookup+0x456/0x630 [ 1520.829577][ T72] ip6_route_input+0x59c/0xa50 [ 1520.829577][ T72] ipv6_rcv+0x397/0x810 [ 1520.829577][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1520.829577][ T72] process_backlog+0x101/0x620 [ 1520.829577][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1520.829577][ T72] net_rx_action+0x495/0xbe0 [ 1520.829577][ T72] __do_softirq+0x1b5/0x7f6 [ 1520.829577][ T72] [ 1520.831390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1520.831390][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.831390][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.831390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.831390][ T72] ip6_route_add+0x1c/0x140 [ 1520.831390][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1520.831390][ T72] inet6_addr_add+0x4f8/0xa40 [ 1520.831390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.831390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.831390][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.831390][ T72] netlink_unicast+0x449/0x710 [ 1520.831390][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.831390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.831390][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.831390][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.831390][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.831390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.831390][ T72] [ 1520.833607][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1520.833607][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.833607][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.833607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.833607][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1520.833607][ T72] ipv6_add_addr+0x411/0x2000 [ 1520.833607][ T72] inet6_addr_add+0x30e/0xa40 [ 1520.833607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.833607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.833607][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.833607][ T72] netlink_unicast+0x449/0x710 [ 1520.833607][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.833607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.833607][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.833607][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.833607][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.833607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.833607][ T72] [ 1520.835768][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1520.835768][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.835768][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.835768][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.835768][ T72] ip6_route_add+0x1c/0x140 [ 1520.835768][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1520.835768][ T72] addrconf_add_dev+0xe2/0x170 [ 1520.835768][ T72] inet6_addr_add+0x12f/0xa40 [ 1520.835768][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.835768][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.835768][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.835768][ T72] netlink_unicast+0x449/0x710 [ 1520.835768][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.835768][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.835768][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.835768][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.835768][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.835768][ T72] [ 1520.838011][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1520.838011][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1520.838011][ T72] ipv6_find_idev+0x102/0x170 [ 1520.838011][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1520.838011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.838011][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.838011][ T72] netlink_unicast+0x449/0x710 [ 1520.838011][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.838011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.838011][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.838011][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.838011][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.838011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.838011][ T72] [ 1520.839753][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1520.839753][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1520.839753][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1520.839753][ T72] ipv6_find_idev+0x102/0x170 [ 1520.839753][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1520.839753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.839753][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.839753][ T72] netlink_unicast+0x449/0x710 [ 1520.839753][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.839753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.839753][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.839753][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.839753][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.839753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.839753][ T72] [ 1520.841641][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1520.842415][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1520.842415][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.842415][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.842415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.842415][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1520.842415][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1520.842415][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1520.842415][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1520.842415][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1520.842415][ T72] addrconf_dad_begin+0x310/0x670 [ 1520.842415][ T72] addrconf_dad_work+0x10b/0xab0 [ 1520.842415][ T72] process_one_work+0x84d/0x18a0 [ 1520.842415][ T72] worker_thread+0x587/0xd30 [ 1520.842415][ T72] kthread+0x28a/0x350 [ 1520.842415][ T72] ret_from_fork+0x31/0x70 [ 1520.842415][ T72] ret_from_fork_asm+0x1a/0x30 [ 1520.842415][ T72] [ 1520.844309][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1520.844309][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.844309][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.844309][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.844309][ T72] ip6_route_add+0x1c/0x140 [ 1520.844309][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1520.844309][ T72] inet6_addr_add+0x4f8/0xa40 [ 1520.844309][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.844309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.844309][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.844309][ T72] netlink_unicast+0x449/0x710 [ 1520.844309][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.844309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.844309][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.844309][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.844309][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.844309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.844309][ T72] [ 1520.846369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1520.846369][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.846369][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.846369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.846369][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1520.846369][ T72] ipv6_add_addr+0x411/0x2000 [ 1520.846369][ T72] inet6_addr_add+0x30e/0xa40 [ 1520.846369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.846369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.846369][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.846369][ T72] netlink_unicast+0x449/0x710 [ 1520.846369][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.846369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.846369][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.846369][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.846369][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.846369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.846369][ T72] [ 1520.848592][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1520.848592][ T72] netdev_get_by_index+0x5e/0x80 [ 1520.848592][ T72] fib6_nh_init+0x3d8/0x1580 [ 1520.848592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1520.848592][ T72] ip6_route_add+0x1c/0x140 [ 1520.848592][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1520.848592][ T72] addrconf_add_dev+0xe2/0x170 [ 1520.848592][ T72] inet6_addr_add+0x12f/0xa40 [ 1520.848592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1520.848592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.848592][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.848592][ T72] netlink_unicast+0x449/0x710 [ 1520.848592][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.848592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.848592][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.848592][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.848592][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.848592][ T72] [ 1520.850845][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1520.850845][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1520.850845][ T72] ipv6_find_idev+0x102/0x170 [ 1520.850845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1520.850845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.850845][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.850845][ T72] netlink_unicast+0x449/0x710 [ 1520.850845][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.850845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.850845][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.850845][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.850845][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.850845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.850845][ T72] [ 1520.852553][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1520.852553][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1520.852553][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1520.852553][ T72] ipv6_find_idev+0x102/0x170 [ 1520.852553][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1520.852553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1520.852553][ T72] netlink_rcv_skb+0x130/0x360 [ 1520.852553][ T72] netlink_unicast+0x449/0x710 [ 1520.852553][ T72] netlink_sendmsg+0x723/0xbe0 [ 1520.852553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1520.852553][ T72] ___sys_sendmsg+0xee/0x170 [ 1520.852553][ T72] __sys_sendmsg+0xcd/0x170 [ 1520.852553][ T72] do_syscall_64+0xc6/0x1e0 [ 1520.852553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1520.852553][ T72] [ 1531.096912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1531.097407][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1531.097407][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1531.097407][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1531.097407][ T72] fib6_nh_init+0xa22/0x1580 [ 1531.097407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.097407][ T72] ip6_route_add+0x1c/0x140 [ 1531.097407][ T72] inet6_rtm_newroute+0x104/0x110 [ 1531.097407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.097407][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.097407][ T72] netlink_unicast+0x449/0x710 [ 1531.097407][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.097407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.097407][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.097407][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.097407][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.097407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.097407][ T72] [ 1531.099301][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1531.099301][ T72] dst_init+0x84/0x4a0 [ 1531.099301][ T72] dst_alloc+0x97/0x150 [ 1531.099301][ T72] ip6_dst_alloc+0x23/0x90 [ 1531.099301][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1531.099301][ T72] ip6_pol_route+0x56f/0x840 [ 1531.099301][ T72] fib6_rule_lookup+0x456/0x630 [ 1531.099301][ T72] ip6_route_input+0x59c/0xa50 [ 1531.099301][ T72] ipv6_rcv+0x397/0x810 [ 1531.099301][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1531.099301][ T72] process_backlog+0x101/0x620 [ 1531.099301][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1531.099301][ T72] net_rx_action+0x495/0xbe0 [ 1531.099301][ T72] __do_softirq+0x1b5/0x7f6 [ 1531.099301][ T72] [ 1531.100939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1531.100939][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.100939][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.100939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.100939][ T72] ip6_route_add+0x1c/0x140 [ 1531.100939][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1531.100939][ T72] inet6_addr_add+0x4f8/0xa40 [ 1531.100939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.100939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.100939][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.100939][ T72] netlink_unicast+0x449/0x710 [ 1531.100939][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.100939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.100939][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.100939][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.100939][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.100939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.100939][ T72] [ 1531.102918][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1531.102918][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.102918][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.102918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.102918][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1531.102918][ T72] ipv6_add_addr+0x411/0x2000 [ 1531.102918][ T72] inet6_addr_add+0x30e/0xa40 [ 1531.102918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.102918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.102918][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.102918][ T72] netlink_unicast+0x449/0x710 [ 1531.102918][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.102918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.102918][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.102918][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.102918][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.102918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.102918][ T72] [ 1531.104893][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1531.104893][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.104893][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.104893][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.104893][ T72] ip6_route_add+0x1c/0x140 [ 1531.104893][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1531.104893][ T72] addrconf_add_dev+0xe2/0x170 [ 1531.104893][ T72] inet6_addr_add+0x12f/0xa40 [ 1531.104893][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.104893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.104893][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.104893][ T72] netlink_unicast+0x449/0x710 [ 1531.104893][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.104893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.104893][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.104893][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.104893][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.104893][ T72] [ 1531.106831][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1531.106831][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1531.106831][ T72] ipv6_find_idev+0x102/0x170 [ 1531.106831][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.106831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.106831][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.106831][ T72] netlink_unicast+0x449/0x710 [ 1531.106831][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.106831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.106831][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.106831][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.106831][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.106831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.106831][ T72] [ 1531.108356][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1531.108356][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1531.108356][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1531.108356][ T72] ipv6_find_idev+0x102/0x170 [ 1531.108356][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.108356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.108356][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.108356][ T72] netlink_unicast+0x449/0x710 [ 1531.108356][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.108356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.108356][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.108356][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.108356][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.108356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.108356][ T72] [ 1531.110035][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1531.110302][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1531.110302][ T72] dst_init+0x84/0x4a0 [ 1531.110302][ T72] dst_alloc+0x97/0x150 [ 1531.110302][ T72] ip6_dst_alloc+0x23/0x90 [ 1531.110302][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1531.110302][ T72] ip6_pol_route+0x56f/0x840 [ 1531.110302][ T72] fib6_rule_lookup+0x456/0x630 [ 1531.110302][ T72] ip6_route_input+0x59c/0xa50 [ 1531.110302][ T72] ipv6_rcv+0x397/0x810 [ 1531.110302][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1531.110302][ T72] process_backlog+0x101/0x620 [ 1531.110302][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1531.110302][ T72] net_rx_action+0x495/0xbe0 [ 1531.110302][ T72] __do_softirq+0x1b5/0x7f6 [ 1531.110302][ T72] [ 1531.111935][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1531.111935][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.111935][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.111935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.111935][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1531.111935][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1531.111935][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1531.111935][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1531.111935][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1531.111935][ T72] addrconf_dad_begin+0x310/0x670 [ 1531.111935][ T72] addrconf_dad_work+0x10b/0xab0 [ 1531.111935][ T72] process_one_work+0x84d/0x18a0 [ 1531.111935][ T72] worker_thread+0x587/0xd30 [ 1531.111935][ T72] kthread+0x28a/0x350 [ 1531.111935][ T72] ret_from_fork+0x31/0x70 [ 1531.111935][ T72] ret_from_fork_asm+0x1a/0x30 [ 1531.111935][ T72] [ 1531.113824][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1531.113824][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.113824][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.113824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.113824][ T72] ip6_route_add+0x1c/0x140 [ 1531.113824][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1531.113824][ T72] inet6_addr_add+0x4f8/0xa40 [ 1531.113824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.113824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.113824][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.113824][ T72] netlink_unicast+0x449/0x710 [ 1531.113824][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.113824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.113824][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.113824][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.113824][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.113824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.113824][ T72] [ 1531.115806][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1531.115806][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.115806][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.115806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.115806][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1531.115806][ T72] ipv6_add_addr+0x411/0x2000 [ 1531.115806][ T72] inet6_addr_add+0x30e/0xa40 [ 1531.115806][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.115806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.115806][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.115806][ T72] netlink_unicast+0x449/0x710 [ 1531.115806][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.115806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.115806][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.115806][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.115806][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.115806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.115806][ T72] [ 1531.117786][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1531.117786][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.117786][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.117786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.117786][ T72] ip6_route_add+0x1c/0x140 [ 1531.117786][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1531.117786][ T72] addrconf_add_dev+0xe2/0x170 [ 1531.117786][ T72] inet6_addr_add+0x12f/0xa40 [ 1531.117786][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.117786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.117786][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.117786][ T72] netlink_unicast+0x449/0x710 [ 1531.117786][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.117786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.117786][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.117786][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.117786][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.117786][ T72] [ 1531.119731][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1531.119731][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1531.119731][ T72] ipv6_find_idev+0x102/0x170 [ 1531.119731][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.119731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.119731][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.119731][ T72] netlink_unicast+0x449/0x710 [ 1531.119731][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.119731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.119731][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.119731][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.119731][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.119731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.119731][ T72] [ 1531.121272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1531.121272][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1531.121272][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1531.121272][ T72] ipv6_find_idev+0x102/0x170 [ 1531.121272][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.121272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.121272][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.121272][ T72] netlink_unicast+0x449/0x710 [ 1531.121272][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.121272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.121272][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.121272][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.121272][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.121272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.121272][ T72] [ 1531.123006][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1531.123331][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1531.123331][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1531.123331][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1531.123331][ T72] fib6_nh_init+0xa22/0x1580 [ 1531.123331][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.123331][ T72] ip6_route_add+0x1c/0x140 [ 1531.123331][ T72] inet6_rtm_newroute+0x104/0x110 [ 1531.123331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.123331][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.123331][ T72] netlink_unicast+0x449/0x710 [ 1531.123331][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.123331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.123331][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.123331][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.123331][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.123331][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.123331][ T72] [ 1531.125957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1531.125957][ T72] dst_init+0x84/0x4a0 [ 1531.125957][ T72] dst_alloc+0x97/0x150 [ 1531.125957][ T72] ip6_dst_alloc+0x23/0x90 [ 1531.125957][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1531.125957][ T72] ip6_pol_route+0x56f/0x840 [ 1531.125957][ T72] fib6_rule_lookup+0x456/0x630 [ 1531.125957][ T72] ip6_route_input+0x59c/0xa50 [ 1531.125957][ T72] ipv6_rcv+0x397/0x810 [ 1531.125957][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1531.125957][ T72] process_backlog+0x101/0x620 [ 1531.125957][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1531.125957][ T72] net_rx_action+0x495/0xbe0 [ 1531.125957][ T72] __do_softirq+0x1b5/0x7f6 [ 1531.125957][ T72] [ 1531.127757][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1531.127757][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.127757][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.127757][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.127757][ T72] ip6_route_add+0x1c/0x140 [ 1531.127757][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1531.127757][ T72] inet6_addr_add+0x4f8/0xa40 [ 1531.127757][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.127757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.127757][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.127757][ T72] netlink_unicast+0x449/0x710 [ 1531.127757][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.127757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.127757][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.127757][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.127757][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.127757][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.127757][ T72] [ 1531.129978][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1531.129978][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.129978][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.129978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.129978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1531.129978][ T72] ipv6_add_addr+0x411/0x2000 [ 1531.129978][ T72] inet6_addr_add+0x30e/0xa40 [ 1531.129978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.129978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.129978][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.129978][ T72] netlink_unicast+0x449/0x710 [ 1531.129978][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.129978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.129978][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.129978][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.129978][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.129978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.129978][ T72] [ 1531.132231][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1531.132231][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.132231][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.132231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.132231][ T72] ip6_route_add+0x1c/0x140 [ 1531.132231][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1531.132231][ T72] addrconf_add_dev+0xe2/0x170 [ 1531.132231][ T72] inet6_addr_add+0x12f/0xa40 [ 1531.132231][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.132231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.132231][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.132231][ T72] netlink_unicast+0x449/0x710 [ 1531.132231][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.132231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.132231][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.132231][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.132231][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.132231][ T72] [ 1531.134479][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1531.134479][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1531.134479][ T72] ipv6_find_idev+0x102/0x170 [ 1531.134479][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.134479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.134479][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.134479][ T72] netlink_unicast+0x449/0x710 [ 1531.134479][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.134479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.134479][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.134479][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.134479][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.134479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.134479][ T72] [ 1531.136184][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1531.136184][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1531.136184][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1531.136184][ T72] ipv6_find_idev+0x102/0x170 [ 1531.136184][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.136184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.136184][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.136184][ T72] netlink_unicast+0x449/0x710 [ 1531.136184][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.136184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.136184][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.136184][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.136184][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.136184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.136184][ T72] [ 1531.138035][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1531.138374][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1531.138374][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.138374][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.138374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.138374][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1531.138374][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1531.138374][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1531.138374][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1531.138374][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1531.138374][ T72] addrconf_dad_begin+0x310/0x670 [ 1531.138374][ T72] addrconf_dad_work+0x10b/0xab0 [ 1531.138374][ T72] process_one_work+0x84d/0x18a0 [ 1531.138374][ T72] worker_thread+0x587/0xd30 [ 1531.138374][ T72] kthread+0x28a/0x350 [ 1531.138374][ T72] ret_from_fork+0x31/0x70 [ 1531.138374][ T72] ret_from_fork_asm+0x1a/0x30 [ 1531.138374][ T72] [ 1531.140450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1531.140450][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.140450][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.140450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.140450][ T72] ip6_route_add+0x1c/0x140 [ 1531.140450][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1531.140450][ T72] inet6_addr_add+0x4f8/0xa40 [ 1531.140450][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.140450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.140450][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.140450][ T72] netlink_unicast+0x449/0x710 [ 1531.140450][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.140450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.140450][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.140450][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.140450][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.140450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.140450][ T72] [ 1531.142663][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1531.142663][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.142663][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.142663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.142663][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1531.142663][ T72] ipv6_add_addr+0x411/0x2000 [ 1531.142663][ T72] inet6_addr_add+0x30e/0xa40 [ 1531.142663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.142663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.142663][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.142663][ T72] netlink_unicast+0x449/0x710 [ 1531.142663][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.142663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.142663][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.142663][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.142663][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.142663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.142663][ T72] [ 1531.144941][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1531.144941][ T72] netdev_get_by_index+0x5e/0x80 [ 1531.144941][ T72] fib6_nh_init+0x3d8/0x1580 [ 1531.144941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1531.144941][ T72] ip6_route_add+0x1c/0x140 [ 1531.144941][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1531.144941][ T72] addrconf_add_dev+0xe2/0x170 [ 1531.144941][ T72] inet6_addr_add+0x12f/0xa40 [ 1531.144941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.144941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.144941][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.144941][ T72] netlink_unicast+0x449/0x710 [ 1531.144941][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.144941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.144941][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.144941][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.144941][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.144941][ T72] [ 1531.147123][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1531.147123][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1531.147123][ T72] ipv6_find_idev+0x102/0x170 [ 1531.147123][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.147123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.147123][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.147123][ T72] netlink_unicast+0x449/0x710 [ 1531.147123][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.147123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.147123][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.147123][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.147123][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.147123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.147123][ T72] [ 1531.149214][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1531.149214][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1531.149214][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1531.149214][ T72] ipv6_find_idev+0x102/0x170 [ 1531.149214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.149214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.149214][ T72] netlink_rcv_skb+0x130/0x360 [ 1531.149214][ T72] netlink_unicast+0x449/0x710 [ 1531.149214][ T72] netlink_sendmsg+0x723/0xbe0 [ 1531.149214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1531.149214][ T72] ___sys_sendmsg+0xee/0x170 [ 1531.149214][ T72] __sys_sendmsg+0xcd/0x170 [ 1531.149214][ T72] do_syscall_64+0xc6/0x1e0 [ 1531.149214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.149214][ T72] [ 1541.392897][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1541.393388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1541.393388][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1541.393388][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1541.393388][ T72] fib6_nh_init+0xa22/0x1580 [ 1541.393388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.393388][ T72] ip6_route_add+0x1c/0x140 [ 1541.393388][ T72] inet6_rtm_newroute+0x104/0x110 [ 1541.393388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.393388][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.393388][ T72] netlink_unicast+0x449/0x710 [ 1541.393388][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.393388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.393388][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.393388][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.393388][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.393388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.393388][ T72] [ 1541.395278][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1541.395278][ T72] dst_init+0x84/0x4a0 [ 1541.395278][ T72] dst_alloc+0x97/0x150 [ 1541.395278][ T72] ip6_dst_alloc+0x23/0x90 [ 1541.395278][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1541.395278][ T72] ip6_pol_route+0x56f/0x840 [ 1541.395278][ T72] fib6_rule_lookup+0x456/0x630 [ 1541.395278][ T72] ip6_route_input+0x59c/0xa50 [ 1541.395278][ T72] ipv6_rcv+0x397/0x810 [ 1541.395278][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1541.395278][ T72] process_backlog+0x101/0x620 [ 1541.395278][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1541.395278][ T72] net_rx_action+0x495/0xbe0 [ 1541.395278][ T72] __do_softirq+0x1b5/0x7f6 [ 1541.395278][ T72] [ 1541.396914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1541.396914][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.396914][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.396914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.396914][ T72] ip6_route_add+0x1c/0x140 [ 1541.396914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1541.396914][ T72] inet6_addr_add+0x4f8/0xa40 [ 1541.396914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.396914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.396914][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.396914][ T72] netlink_unicast+0x449/0x710 [ 1541.396914][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.396914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.396914][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.396914][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.396914][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.396914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.396914][ T72] [ 1541.398898][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1541.398898][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.398898][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.398898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.398898][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1541.398898][ T72] ipv6_add_addr+0x411/0x2000 [ 1541.398898][ T72] inet6_addr_add+0x30e/0xa40 [ 1541.398898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.398898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.398898][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.398898][ T72] netlink_unicast+0x449/0x710 [ 1541.398898][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.398898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.398898][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.398898][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.398898][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.398898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.398898][ T72] [ 1541.400896][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1541.400896][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.400896][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.400896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.400896][ T72] ip6_route_add+0x1c/0x140 [ 1541.400896][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1541.400896][ T72] addrconf_add_dev+0xe2/0x170 [ 1541.400896][ T72] inet6_addr_add+0x12f/0xa40 [ 1541.400896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.400896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.400896][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.400896][ T72] netlink_unicast+0x449/0x710 [ 1541.400896][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.400896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.400896][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.400896][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.400896][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.400896][ T72] [ 1541.402846][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1541.402846][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1541.402846][ T72] ipv6_find_idev+0x102/0x170 [ 1541.402846][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.402846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.402846][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.402846][ T72] netlink_unicast+0x449/0x710 [ 1541.402846][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.402846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.402846][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.402846][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.402846][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.402846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.402846][ T72] [ 1541.404375][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1541.404375][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1541.404375][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1541.404375][ T72] ipv6_find_idev+0x102/0x170 [ 1541.404375][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.404375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.404375][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.404375][ T72] netlink_unicast+0x449/0x710 [ 1541.404375][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.404375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.404375][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.404375][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.404375][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.404375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.404375][ T72] [ 1541.406043][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1541.406315][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1541.406315][ T72] dst_init+0x84/0x4a0 [ 1541.406315][ T72] dst_alloc+0x97/0x150 [ 1541.406315][ T72] ip6_dst_alloc+0x23/0x90 [ 1541.406315][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1541.406315][ T72] ip6_pol_route+0x56f/0x840 [ 1541.406315][ T72] fib6_rule_lookup+0x456/0x630 [ 1541.406315][ T72] ip6_route_input+0x59c/0xa50 [ 1541.406315][ T72] ipv6_rcv+0x397/0x810 [ 1541.406315][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1541.406315][ T72] process_backlog+0x101/0x620 [ 1541.406315][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1541.406315][ T72] net_rx_action+0x495/0xbe0 [ 1541.406315][ T72] __do_softirq+0x1b5/0x7f6 [ 1541.406315][ T72] [ 1541.407941][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1541.407941][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.407941][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.407941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.407941][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1541.407941][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1541.407941][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1541.407941][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1541.407941][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1541.407941][ T72] addrconf_dad_begin+0x310/0x670 [ 1541.407941][ T72] addrconf_dad_work+0x10b/0xab0 [ 1541.407941][ T72] process_one_work+0x84d/0x18a0 [ 1541.407941][ T72] worker_thread+0x587/0xd30 [ 1541.407941][ T72] kthread+0x28a/0x350 [ 1541.407941][ T72] ret_from_fork+0x31/0x70 [ 1541.407941][ T72] ret_from_fork_asm+0x1a/0x30 [ 1541.407941][ T72] [ 1541.409837][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1541.409837][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.409837][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.409837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.409837][ T72] ip6_route_add+0x1c/0x140 [ 1541.409837][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1541.409837][ T72] inet6_addr_add+0x4f8/0xa40 [ 1541.409837][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.409837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.409837][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.409837][ T72] netlink_unicast+0x449/0x710 [ 1541.409837][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.409837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.409837][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.409837][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.409837][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.409837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.409837][ T72] [ 1541.411820][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1541.411820][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.411820][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.411820][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.411820][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1541.411820][ T72] ipv6_add_addr+0x411/0x2000 [ 1541.411820][ T72] inet6_addr_add+0x30e/0xa40 [ 1541.411820][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.411820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.411820][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.411820][ T72] netlink_unicast+0x449/0x710 [ 1541.411820][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.411820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.411820][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.411820][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.411820][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.411820][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.411820][ T72] [ 1541.413800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1541.413800][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.413800][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.413800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.413800][ T72] ip6_route_add+0x1c/0x140 [ 1541.413800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1541.413800][ T72] addrconf_add_dev+0xe2/0x170 [ 1541.413800][ T72] inet6_addr_add+0x12f/0xa40 [ 1541.413800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.413800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.413800][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.413800][ T72] netlink_unicast+0x449/0x710 [ 1541.413800][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.413800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.413800][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.413800][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.413800][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.413800][ T72] [ 1541.415755][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1541.415755][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1541.415755][ T72] ipv6_find_idev+0x102/0x170 [ 1541.415755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.415755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.415755][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.415755][ T72] netlink_unicast+0x449/0x710 [ 1541.415755][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.415755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.415755][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.415755][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.415755][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.415755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.415755][ T72] [ 1541.417278][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1541.417278][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1541.417278][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1541.417278][ T72] ipv6_find_idev+0x102/0x170 [ 1541.417278][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.417278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.417278][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.417278][ T72] netlink_unicast+0x449/0x710 [ 1541.417278][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.417278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.417278][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.417278][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.417278][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.417278][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.417278][ T72] [ 1541.419013][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1541.419341][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1541.419341][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1541.419341][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1541.419341][ T72] fib6_nh_init+0xa22/0x1580 [ 1541.419341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.419341][ T72] ip6_route_add+0x1c/0x140 [ 1541.419341][ T72] inet6_rtm_newroute+0x104/0x110 [ 1541.419341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.419341][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.419341][ T72] netlink_unicast+0x449/0x710 [ 1541.419341][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.419341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.419341][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.419341][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.419341][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.419341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.419341][ T72] [ 1541.421452][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1541.421452][ T72] dst_init+0x84/0x4a0 [ 1541.421452][ T72] dst_alloc+0x97/0x150 [ 1541.421452][ T72] ip6_dst_alloc+0x23/0x90 [ 1541.421452][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1541.421452][ T72] ip6_pol_route+0x56f/0x840 [ 1541.421452][ T72] fib6_rule_lookup+0x456/0x630 [ 1541.421452][ T72] ip6_route_input+0x59c/0xa50 [ 1541.421452][ T72] ipv6_rcv+0x397/0x810 [ 1541.421452][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1541.421452][ T72] process_backlog+0x101/0x620 [ 1541.421452][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1541.421452][ T72] net_rx_action+0x495/0xbe0 [ 1541.421452][ T72] __do_softirq+0x1b5/0x7f6 [ 1541.421452][ T72] [ 1541.423247][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1541.423247][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.423247][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.423247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.423247][ T72] ip6_route_add+0x1c/0x140 [ 1541.423247][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1541.423247][ T72] inet6_addr_add+0x4f8/0xa40 [ 1541.423247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.423247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.423247][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.423247][ T72] netlink_unicast+0x449/0x710 [ 1541.423247][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.423247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.423247][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.423247][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.423247][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.423247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.423247][ T72] [ 1541.425463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1541.425463][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.425463][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.425463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.425463][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1541.425463][ T72] ipv6_add_addr+0x411/0x2000 [ 1541.425463][ T72] inet6_addr_add+0x30e/0xa40 [ 1541.425463][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.425463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.425463][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.425463][ T72] netlink_unicast+0x449/0x710 [ 1541.425463][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.425463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.425463][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.425463][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.425463][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.425463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.425463][ T72] [ 1541.427702][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1541.427702][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.427702][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.427702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.427702][ T72] ip6_route_add+0x1c/0x140 [ 1541.427702][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1541.427702][ T72] addrconf_add_dev+0xe2/0x170 [ 1541.427702][ T72] inet6_addr_add+0x12f/0xa40 [ 1541.427702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.427702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.427702][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.427702][ T72] netlink_unicast+0x449/0x710 [ 1541.427702][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.427702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.427702][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.427702][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.427702][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.427702][ T72] [ 1541.429953][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1541.429953][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1541.429953][ T72] ipv6_find_idev+0x102/0x170 [ 1541.429953][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.429953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.429953][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.429953][ T72] netlink_unicast+0x449/0x710 [ 1541.429953][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.429953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.429953][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.429953][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.429953][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.429953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.429953][ T72] [ 1541.431665][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1541.431665][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1541.431665][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1541.431665][ T72] ipv6_find_idev+0x102/0x170 [ 1541.431665][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.431665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.431665][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.431665][ T72] netlink_unicast+0x449/0x710 [ 1541.431665][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.431665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.431665][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.431665][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.431665][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.431665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.431665][ T72] [ 1541.433519][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1541.434361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1541.434361][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.434361][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.434361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.434361][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1541.434361][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1541.434361][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1541.434361][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1541.434361][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1541.434361][ T72] addrconf_dad_begin+0x310/0x670 [ 1541.434361][ T72] addrconf_dad_work+0x10b/0xab0 [ 1541.434361][ T72] process_one_work+0x84d/0x18a0 [ 1541.434361][ T72] worker_thread+0x587/0xd30 [ 1541.434361][ T72] kthread+0x28a/0x350 [ 1541.434361][ T72] ret_from_fork+0x31/0x70 [ 1541.434361][ T72] ret_from_fork_asm+0x1a/0x30 [ 1541.434361][ T72] [ 1541.436275][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1541.436275][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.436275][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.436275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.436275][ T72] ip6_route_add+0x1c/0x140 [ 1541.436275][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1541.436275][ T72] inet6_addr_add+0x4f8/0xa40 [ 1541.436275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.436275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.436275][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.436275][ T72] netlink_unicast+0x449/0x710 [ 1541.436275][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.436275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.436275][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.436275][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.436275][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.436275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.436275][ T72] [ 1541.438313][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1541.438313][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.438313][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.438313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.438313][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1541.438313][ T72] ipv6_add_addr+0x411/0x2000 [ 1541.438313][ T72] inet6_addr_add+0x30e/0xa40 [ 1541.438313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.438313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.438313][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.438313][ T72] netlink_unicast+0x449/0x710 [ 1541.438313][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.438313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.438313][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.438313][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.438313][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.438313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.438313][ T72] [ 1541.440547][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1541.440547][ T72] netdev_get_by_index+0x5e/0x80 [ 1541.440547][ T72] fib6_nh_init+0x3d8/0x1580 [ 1541.440547][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1541.440547][ T72] ip6_route_add+0x1c/0x140 [ 1541.440547][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1541.440547][ T72] addrconf_add_dev+0xe2/0x170 [ 1541.440547][ T72] inet6_addr_add+0x12f/0xa40 [ 1541.440547][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.440547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.440547][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.440547][ T72] netlink_unicast+0x449/0x710 [ 1541.440547][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.440547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.440547][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.440547][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.440547][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.440547][ T72] [ 1541.442794][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1541.442794][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1541.442794][ T72] ipv6_find_idev+0x102/0x170 [ 1541.442794][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.442794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.442794][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.442794][ T72] netlink_unicast+0x449/0x710 [ 1541.442794][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.442794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.442794][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.442794][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.442794][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.442794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.442794][ T72] [ 1541.444499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1541.444499][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1541.444499][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1541.444499][ T72] ipv6_find_idev+0x102/0x170 [ 1541.444499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.444499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.444499][ T72] netlink_rcv_skb+0x130/0x360 [ 1541.444499][ T72] netlink_unicast+0x449/0x710 [ 1541.444499][ T72] netlink_sendmsg+0x723/0xbe0 [ 1541.444499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1541.444499][ T72] ___sys_sendmsg+0xee/0x170 [ 1541.444499][ T72] __sys_sendmsg+0xcd/0x170 [ 1541.444499][ T72] do_syscall_64+0xc6/0x1e0 [ 1541.444499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.444499][ T72] [ 1551.520929][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1551.521432][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1551.521432][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1551.521432][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1551.521432][ T72] fib6_nh_init+0xa22/0x1580 [ 1551.521432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.521432][ T72] ip6_route_add+0x1c/0x140 [ 1551.521432][ T72] inet6_rtm_newroute+0x104/0x110 [ 1551.521432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.521432][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.521432][ T72] netlink_unicast+0x449/0x710 [ 1551.521432][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.521432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.521432][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.521432][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.521432][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.521432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.521432][ T72] [ 1551.523336][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1551.523336][ T72] dst_init+0x84/0x4a0 [ 1551.523336][ T72] dst_alloc+0x97/0x150 [ 1551.523336][ T72] ip6_dst_alloc+0x23/0x90 [ 1551.523336][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1551.523336][ T72] ip6_pol_route+0x56f/0x840 [ 1551.523336][ T72] fib6_rule_lookup+0x456/0x630 [ 1551.523336][ T72] ip6_route_input+0x59c/0xa50 [ 1551.523336][ T72] ipv6_rcv+0x397/0x810 [ 1551.523336][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1551.523336][ T72] process_backlog+0x101/0x620 [ 1551.523336][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1551.523336][ T72] net_rx_action+0x495/0xbe0 [ 1551.523336][ T72] __do_softirq+0x1b5/0x7f6 [ 1551.523336][ T72] [ 1551.524961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1551.524961][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.524961][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.524961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.524961][ T72] ip6_route_add+0x1c/0x140 [ 1551.524961][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1551.524961][ T72] inet6_addr_add+0x4f8/0xa40 [ 1551.524961][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.524961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.524961][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.524961][ T72] netlink_unicast+0x449/0x710 [ 1551.524961][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.524961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.524961][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.524961][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.524961][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.524961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.524961][ T72] [ 1551.526954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1551.526954][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.526954][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.526954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.526954][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1551.526954][ T72] ipv6_add_addr+0x411/0x2000 [ 1551.526954][ T72] inet6_addr_add+0x30e/0xa40 [ 1551.526954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.526954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.526954][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.526954][ T72] netlink_unicast+0x449/0x710 [ 1551.526954][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.526954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.526954][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.526954][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.526954][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.526954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.526954][ T72] [ 1551.528932][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1551.528932][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.528932][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.528932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.528932][ T72] ip6_route_add+0x1c/0x140 [ 1551.528932][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1551.528932][ T72] addrconf_add_dev+0xe2/0x170 [ 1551.528932][ T72] inet6_addr_add+0x12f/0xa40 [ 1551.528932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.528932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.528932][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.528932][ T72] netlink_unicast+0x449/0x710 [ 1551.528932][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.528932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.528932][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.528932][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.528932][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.528932][ T72] [ 1551.530891][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1551.530891][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1551.530891][ T72] ipv6_find_idev+0x102/0x170 [ 1551.530891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.530891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.530891][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.530891][ T72] netlink_unicast+0x449/0x710 [ 1551.530891][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.530891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.530891][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.530891][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.530891][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.530891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.530891][ T72] [ 1551.532433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1551.532433][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1551.532433][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1551.532433][ T72] ipv6_find_idev+0x102/0x170 [ 1551.532433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.532433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.532433][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.532433][ T72] netlink_unicast+0x449/0x710 [ 1551.532433][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.532433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.532433][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.532433][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.532433][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.532433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.532433][ T72] [ 1551.534101][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1551.534373][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1551.534373][ T72] dst_init+0x84/0x4a0 [ 1551.534373][ T72] dst_alloc+0x97/0x150 [ 1551.534373][ T72] ip6_dst_alloc+0x23/0x90 [ 1551.534373][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1551.534373][ T72] ip6_pol_route+0x56f/0x840 [ 1551.534373][ T72] fib6_rule_lookup+0x456/0x630 [ 1551.534373][ T72] ip6_route_input+0x59c/0xa50 [ 1551.534373][ T72] ipv6_rcv+0x397/0x810 [ 1551.534373][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1551.534373][ T72] process_backlog+0x101/0x620 [ 1551.534373][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1551.534373][ T72] net_rx_action+0x495/0xbe0 [ 1551.534373][ T72] __do_softirq+0x1b5/0x7f6 [ 1551.534373][ T72] [ 1551.536010][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1551.536010][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.536010][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.536010][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.536010][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1551.536010][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1551.536010][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1551.536010][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1551.536010][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1551.536010][ T72] addrconf_dad_begin+0x310/0x670 [ 1551.536010][ T72] addrconf_dad_work+0x10b/0xab0 [ 1551.536010][ T72] process_one_work+0x84d/0x18a0 [ 1551.536010][ T72] worker_thread+0x587/0xd30 [ 1551.536010][ T72] kthread+0x28a/0x350 [ 1551.536010][ T72] ret_from_fork+0x31/0x70 [ 1551.536010][ T72] ret_from_fork_asm+0x1a/0x30 [ 1551.536010][ T72] [ 1551.537907][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1551.537907][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.537907][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.537907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.537907][ T72] ip6_route_add+0x1c/0x140 [ 1551.537907][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1551.537907][ T72] inet6_addr_add+0x4f8/0xa40 [ 1551.537907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.537907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.537907][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.537907][ T72] netlink_unicast+0x449/0x710 [ 1551.537907][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.537907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.537907][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.537907][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.537907][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.537907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.537907][ T72] [ 1551.539890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1551.539890][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.539890][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.539890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.539890][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1551.539890][ T72] ipv6_add_addr+0x411/0x2000 [ 1551.539890][ T72] inet6_addr_add+0x30e/0xa40 [ 1551.539890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.539890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.539890][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.539890][ T72] netlink_unicast+0x449/0x710 [ 1551.539890][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.539890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.539890][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.539890][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.539890][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.539890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.539890][ T72] [ 1551.541875][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1551.541875][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.541875][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.541875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.541875][ T72] ip6_route_add+0x1c/0x140 [ 1551.541875][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1551.541875][ T72] addrconf_add_dev+0xe2/0x170 [ 1551.541875][ T72] inet6_addr_add+0x12f/0xa40 [ 1551.541875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.541875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.541875][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.541875][ T72] netlink_unicast+0x449/0x710 [ 1551.541875][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.541875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.541875][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.541875][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.541875][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.541875][ T72] [ 1551.543823][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1551.543823][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1551.543823][ T72] ipv6_find_idev+0x102/0x170 [ 1551.543823][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.543823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.543823][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.543823][ T72] netlink_unicast+0x449/0x710 [ 1551.543823][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.543823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.543823][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.543823][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.543823][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.543823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.543823][ T72] [ 1551.545354][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1551.545354][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1551.545354][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1551.545354][ T72] ipv6_find_idev+0x102/0x170 [ 1551.545354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.545354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.545354][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.545354][ T72] netlink_unicast+0x449/0x710 [ 1551.545354][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.545354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.545354][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.545354][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.545354][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.545354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.545354][ T72] [ 1551.547102][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1551.547374][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1551.547374][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1551.547374][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1551.547374][ T72] fib6_nh_init+0xa22/0x1580 [ 1551.547374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.547374][ T72] ip6_route_add+0x1c/0x140 [ 1551.547374][ T72] inet6_rtm_newroute+0x104/0x110 [ 1551.547374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.547374][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.547374][ T72] netlink_unicast+0x449/0x710 [ 1551.547374][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.547374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.547374][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.547374][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.547374][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.547374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.547374][ T72] [ 1551.549367][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1551.549367][ T72] dst_init+0x84/0x4a0 [ 1551.549367][ T72] dst_alloc+0x97/0x150 [ 1551.549367][ T72] ip6_dst_alloc+0x23/0x90 [ 1551.549367][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1551.549367][ T72] ip6_pol_route+0x56f/0x840 [ 1551.549367][ T72] fib6_rule_lookup+0x456/0x630 [ 1551.549367][ T72] ip6_route_input+0x59c/0xa50 [ 1551.549367][ T72] ipv6_rcv+0x397/0x810 [ 1551.549367][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1551.549367][ T72] process_backlog+0x101/0x620 [ 1551.549367][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1551.549367][ T72] net_rx_action+0x495/0xbe0 [ 1551.549367][ T72] __do_softirq+0x1b5/0x7f6 [ 1551.549367][ T72] [ 1551.551121][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1551.551121][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.551121][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.551121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.551121][ T72] ip6_route_add+0x1c/0x140 [ 1551.551121][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1551.551121][ T72] inet6_addr_add+0x4f8/0xa40 [ 1551.551121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.551121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.551121][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.551121][ T72] netlink_unicast+0x449/0x710 [ 1551.551121][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.551121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.551121][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.551121][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.551121][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.551121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.551121][ T72] [ 1551.553245][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1551.553245][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.553245][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.553245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.553245][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1551.553245][ T72] ipv6_add_addr+0x411/0x2000 [ 1551.553245][ T72] inet6_addr_add+0x30e/0xa40 [ 1551.553245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.553245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.553245][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.553245][ T72] netlink_unicast+0x449/0x710 [ 1551.553245][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.553245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.553245][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.553245][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.553245][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.553245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.553245][ T72] [ 1551.555357][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1551.555357][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.555357][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.555357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.555357][ T72] ip6_route_add+0x1c/0x140 [ 1551.555357][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1551.555357][ T72] addrconf_add_dev+0xe2/0x170 [ 1551.555357][ T72] inet6_addr_add+0x12f/0xa40 [ 1551.555357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.555357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.555357][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.555357][ T72] netlink_unicast+0x449/0x710 [ 1551.555357][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.555357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.555357][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.555357][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.555357][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.555357][ T72] [ 1551.557984][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1551.557984][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1551.557984][ T72] ipv6_find_idev+0x102/0x170 [ 1551.557984][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.557984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.557984][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.557984][ T72] netlink_unicast+0x449/0x710 [ 1551.557984][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.557984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.557984][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.557984][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.557984][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.557984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.557984][ T72] [ 1551.559581][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1551.559581][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1551.559581][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1551.559581][ T72] ipv6_find_idev+0x102/0x170 [ 1551.559581][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.559581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.559581][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.559581][ T72] netlink_unicast+0x449/0x710 [ 1551.559581][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.559581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.559581][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.559581][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.559581][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.559581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.559581][ T72] [ 1551.561390][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1551.561667][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1551.561667][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.561667][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.561667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.561667][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1551.561667][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1551.561667][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1551.561667][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1551.561667][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1551.561667][ T72] addrconf_dad_begin+0x310/0x670 [ 1551.561667][ T72] addrconf_dad_work+0x10b/0xab0 [ 1551.561667][ T72] process_one_work+0x84d/0x18a0 [ 1551.561667][ T72] worker_thread+0x587/0xd30 [ 1551.561667][ T72] kthread+0x28a/0x350 [ 1551.561667][ T72] ret_from_fork+0x31/0x70 [ 1551.561667][ T72] ret_from_fork_asm+0x1a/0x30 [ 1551.561667][ T72] [ 1551.563690][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1551.563690][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.563690][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.563690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.563690][ T72] ip6_route_add+0x1c/0x140 [ 1551.563690][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1551.563690][ T72] inet6_addr_add+0x4f8/0xa40 [ 1551.563690][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.563690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.563690][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.563690][ T72] netlink_unicast+0x449/0x710 [ 1551.563690][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.563690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.563690][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.563690][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.563690][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.563690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.563690][ T72] [ 1551.565796][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1551.565796][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.565796][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.565796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.565796][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1551.565796][ T72] ipv6_add_addr+0x411/0x2000 [ 1551.565796][ T72] inet6_addr_add+0x30e/0xa40 [ 1551.565796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.565796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.565796][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.565796][ T72] netlink_unicast+0x449/0x710 [ 1551.565796][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.565796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.565796][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.565796][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.565796][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.565796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.565796][ T72] [ 1551.567911][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1551.567911][ T72] netdev_get_by_index+0x5e/0x80 [ 1551.567911][ T72] fib6_nh_init+0x3d8/0x1580 [ 1551.567911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1551.567911][ T72] ip6_route_add+0x1c/0x140 [ 1551.567911][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1551.567911][ T72] addrconf_add_dev+0xe2/0x170 [ 1551.567911][ T72] inet6_addr_add+0x12f/0xa40 [ 1551.567911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.567911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.567911][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.567911][ T72] netlink_unicast+0x449/0x710 [ 1551.567911][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.567911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.567911][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.567911][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.567911][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.567911][ T72] [ 1551.569981][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1551.569981][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1551.569981][ T72] ipv6_find_idev+0x102/0x170 [ 1551.569981][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.569981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.569981][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.569981][ T72] netlink_unicast+0x449/0x710 [ 1551.569981][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.569981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.569981][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.569981][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.569981][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.569981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.569981][ T72] [ 1551.571573][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1551.571573][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1551.571573][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1551.571573][ T72] ipv6_find_idev+0x102/0x170 [ 1551.571573][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.571573][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.571573][ T72] netlink_rcv_skb+0x130/0x360 [ 1551.571573][ T72] netlink_unicast+0x449/0x710 [ 1551.571573][ T72] netlink_sendmsg+0x723/0xbe0 [ 1551.571573][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1551.571573][ T72] ___sys_sendmsg+0xee/0x170 [ 1551.571573][ T72] __sys_sendmsg+0xcd/0x170 [ 1551.571573][ T72] do_syscall_64+0xc6/0x1e0 [ 1551.571573][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.571573][ T72] [ 1561.576928][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1561.577434][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1561.577434][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1561.577434][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1561.577434][ T72] fib6_nh_init+0xa22/0x1580 [ 1561.577434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.577434][ T72] ip6_route_add+0x1c/0x140 [ 1561.577434][ T72] inet6_rtm_newroute+0x104/0x110 [ 1561.577434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.577434][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.577434][ T72] netlink_unicast+0x449/0x710 [ 1561.577434][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.577434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.577434][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.577434][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.577434][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.577434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.577434][ T72] [ 1561.579325][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1561.579325][ T72] dst_init+0x84/0x4a0 [ 1561.579325][ T72] dst_alloc+0x97/0x150 [ 1561.579325][ T72] ip6_dst_alloc+0x23/0x90 [ 1561.579325][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1561.579325][ T72] ip6_pol_route+0x56f/0x840 [ 1561.579325][ T72] fib6_rule_lookup+0x456/0x630 [ 1561.579325][ T72] ip6_route_input+0x59c/0xa50 [ 1561.579325][ T72] ipv6_rcv+0x397/0x810 [ 1561.579325][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1561.579325][ T72] process_backlog+0x101/0x620 [ 1561.579325][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1561.579325][ T72] net_rx_action+0x495/0xbe0 [ 1561.579325][ T72] __do_softirq+0x1b5/0x7f6 [ 1561.579325][ T72] [ 1561.580968][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1561.580968][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.580968][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.580968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.580968][ T72] ip6_route_add+0x1c/0x140 [ 1561.580968][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1561.580968][ T72] inet6_addr_add+0x4f8/0xa40 [ 1561.580968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.580968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.580968][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.580968][ T72] netlink_unicast+0x449/0x710 [ 1561.580968][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.580968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.580968][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.580968][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.580968][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.580968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.580968][ T72] [ 1561.582955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1561.582955][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.582955][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.582955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.582955][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1561.582955][ T72] ipv6_add_addr+0x411/0x2000 [ 1561.582955][ T72] inet6_addr_add+0x30e/0xa40 [ 1561.582955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.582955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.582955][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.582955][ T72] netlink_unicast+0x449/0x710 [ 1561.582955][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.582955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.582955][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.582955][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.582955][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.582955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.582955][ T72] [ 1561.584945][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1561.584945][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.584945][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.584945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.584945][ T72] ip6_route_add+0x1c/0x140 [ 1561.584945][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1561.584945][ T72] addrconf_add_dev+0xe2/0x170 [ 1561.584945][ T72] inet6_addr_add+0x12f/0xa40 [ 1561.584945][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.584945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.584945][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.584945][ T72] netlink_unicast+0x449/0x710 [ 1561.584945][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.584945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.584945][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.584945][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.584945][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.584945][ T72] [ 1561.586888][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1561.586888][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1561.586888][ T72] ipv6_find_idev+0x102/0x170 [ 1561.586888][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1561.586888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.586888][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.586888][ T72] netlink_unicast+0x449/0x710 [ 1561.586888][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.586888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.586888][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.586888][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.586888][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.586888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.586888][ T72] [ 1561.588420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1561.588420][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1561.588420][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1561.588420][ T72] ipv6_find_idev+0x102/0x170 [ 1561.588420][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1561.588420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.588420][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.588420][ T72] netlink_unicast+0x449/0x710 [ 1561.588420][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.588420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.588420][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.588420][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.588420][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.588420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.588420][ T72] [ 1561.590105][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1561.590378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1561.590378][ T72] dst_init+0x84/0x4a0 [ 1561.590378][ T72] dst_alloc+0x97/0x150 [ 1561.590378][ T72] ip6_dst_alloc+0x23/0x90 [ 1561.590378][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1561.590378][ T72] ip6_pol_route+0x56f/0x840 [ 1561.590378][ T72] fib6_rule_lookup+0x456/0x630 [ 1561.590378][ T72] ip6_route_input+0x59c/0xa50 [ 1561.590378][ T72] ipv6_rcv+0x397/0x810 [ 1561.590378][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1561.590378][ T72] process_backlog+0x101/0x620 [ 1561.590378][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1561.590378][ T72] net_rx_action+0x495/0xbe0 [ 1561.590378][ T72] __do_softirq+0x1b5/0x7f6 [ 1561.590378][ T72] [ 1561.592013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1561.592013][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.592013][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.592013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.592013][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1561.592013][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1561.592013][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1561.592013][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1561.592013][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1561.592013][ T72] addrconf_dad_begin+0x310/0x670 [ 1561.592013][ T72] addrconf_dad_work+0x10b/0xab0 [ 1561.592013][ T72] process_one_work+0x84d/0x18a0 [ 1561.592013][ T72] worker_thread+0x587/0xd30 [ 1561.592013][ T72] kthread+0x28a/0x350 [ 1561.592013][ T72] ret_from_fork+0x31/0x70 [ 1561.592013][ T72] ret_from_fork_asm+0x1a/0x30 [ 1561.592013][ T72] [ 1561.593902][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1561.593902][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.593902][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.593902][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.593902][ T72] ip6_route_add+0x1c/0x140 [ 1561.593902][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1561.593902][ T72] inet6_addr_add+0x4f8/0xa40 [ 1561.593902][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.593902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.593902][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.593902][ T72] netlink_unicast+0x449/0x710 [ 1561.593902][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.593902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.593902][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.593902][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.593902][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.593902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.593902][ T72] [ 1561.595888][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1561.595888][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.595888][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.595888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.595888][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1561.595888][ T72] ipv6_add_addr+0x411/0x2000 [ 1561.595888][ T72] inet6_addr_add+0x30e/0xa40 [ 1561.595888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.595888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.595888][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.595888][ T72] netlink_unicast+0x449/0x710 [ 1561.595888][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.595888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.595888][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.595888][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.595888][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.595888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.595888][ T72] [ 1561.597867][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1561.597867][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.597867][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.597867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.597867][ T72] ip6_route_add+0x1c/0x140 [ 1561.597867][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1561.597867][ T72] addrconf_add_dev+0xe2/0x170 [ 1561.597867][ T72] inet6_addr_add+0x12f/0xa40 [ 1561.597867][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.597867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.597867][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.597867][ T72] netlink_unicast+0x449/0x710 [ 1561.597867][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.597867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.597867][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.597867][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.597867][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.597867][ T72] [ 1561.599812][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1561.599812][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1561.599812][ T72] ipv6_find_idev+0x102/0x170 [ 1561.599812][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1561.599812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.599812][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.599812][ T72] netlink_unicast+0x449/0x710 [ 1561.599812][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.599812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.599812][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.599812][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.599812][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.599812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.599812][ T72] [ 1561.601340][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1561.601340][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1561.601340][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1561.601340][ T72] ipv6_find_idev+0x102/0x170 [ 1561.601340][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1561.601340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.601340][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.601340][ T72] netlink_unicast+0x449/0x710 [ 1561.601340][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.601340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.601340][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.601340][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.601340][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.601340][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.601340][ T72] [ 1561.603129][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1561.603398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1561.603398][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1561.603398][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1561.603398][ T72] fib6_nh_init+0xa22/0x1580 [ 1561.603398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.603398][ T72] ip6_route_add+0x1c/0x140 [ 1561.603398][ T72] inet6_rtm_newroute+0x104/0x110 [ 1561.603398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.603398][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.603398][ T72] netlink_unicast+0x449/0x710 [ 1561.603398][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.603398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.603398][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.603398][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.603398][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.603398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.603398][ T72] [ 1561.605436][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1561.605436][ T72] dst_init+0x84/0x4a0 [ 1561.605436][ T72] dst_alloc+0x97/0x150 [ 1561.605436][ T72] ip6_dst_alloc+0x23/0x90 [ 1561.605436][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1561.605436][ T72] ip6_pol_route+0x56f/0x840 [ 1561.605436][ T72] fib6_rule_lookup+0x456/0x630 [ 1561.605436][ T72] ip6_route_input+0x59c/0xa50 [ 1561.605436][ T72] ipv6_rcv+0x397/0x810 [ 1561.605436][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1561.605436][ T72] process_backlog+0x101/0x620 [ 1561.605436][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1561.605436][ T72] net_rx_action+0x495/0xbe0 [ 1561.605436][ T72] __do_softirq+0x1b5/0x7f6 [ 1561.605436][ T72] [ 1561.607839][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1561.607839][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.607839][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.607839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.607839][ T72] ip6_route_add+0x1c/0x140 [ 1561.607839][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1561.607839][ T72] inet6_addr_add+0x4f8/0xa40 [ 1561.607839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.607839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.607839][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.607839][ T72] netlink_unicast+0x449/0x710 [ 1561.607839][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.607839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.607839][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.607839][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.607839][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.607839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.607839][ T72] [ 1561.610059][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1561.610059][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.610059][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.610059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.610059][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1561.610059][ T72] ipv6_add_addr+0x411/0x2000 [ 1561.610059][ T72] inet6_addr_add+0x30e/0xa40 [ 1561.610059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.610059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.610059][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.610059][ T72] netlink_unicast+0x449/0x710 [ 1561.610059][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.610059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.610059][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.610059][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.610059][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.610059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.610059][ T72] [ 1561.612289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1561.612289][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.612289][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.612289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.612289][ T72] ip6_route_add+0x1c/0x140 [ 1561.612289][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1561.612289][ T72] addrconf_add_dev+0xe2/0x170 [ 1561.612289][ T72] inet6_addr_add+0x12f/0xa40 [ 1561.612289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.612289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.612289][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.612289][ T72] netlink_unicast+0x449/0x710 [ 1561.612289][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.612289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.612289][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.612289][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.612289][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.612289][ T72] [ 1561.614477][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1561.614477][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1561.614477][ T72] ipv6_find_idev+0x102/0x170 [ 1561.614477][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1561.614477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.614477][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.614477][ T72] netlink_unicast+0x449/0x710 [ 1561.614477][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.614477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.614477][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.614477][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.614477][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.614477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.614477][ T72] [ 1561.616180][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1561.616180][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1561.616180][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1561.616180][ T72] ipv6_find_idev+0x102/0x170 [ 1561.616180][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1561.616180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.616180][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.616180][ T72] netlink_unicast+0x449/0x710 [ 1561.616180][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.616180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.616180][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.616180][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.616180][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.616180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.616180][ T72] [ 1561.618411][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1561.618809][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1561.618809][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.618809][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.618809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.618809][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1561.618809][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1561.618809][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1561.618809][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1561.618809][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1561.618809][ T72] addrconf_dad_begin+0x310/0x670 [ 1561.618809][ T72] addrconf_dad_work+0x10b/0xab0 [ 1561.618809][ T72] process_one_work+0x84d/0x18a0 [ 1561.618809][ T72] worker_thread+0x587/0xd30 [ 1561.618809][ T72] kthread+0x28a/0x350 [ 1561.618809][ T72] ret_from_fork+0x31/0x70 [ 1561.618809][ T72] ret_from_fork_asm+0x1a/0x30 [ 1561.618809][ T72] [ 1561.620890][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1561.620890][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.620890][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.620890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.620890][ T72] ip6_route_add+0x1c/0x140 [ 1561.620890][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1561.620890][ T72] inet6_addr_add+0x4f8/0xa40 [ 1561.620890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.620890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.620890][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.620890][ T72] netlink_unicast+0x449/0x710 [ 1561.620890][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.620890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.620890][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.620890][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.620890][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.620890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.620890][ T72] [ 1561.623136][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1561.623136][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.623136][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.623136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.623136][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1561.623136][ T72] ipv6_add_addr+0x411/0x2000 [ 1561.623136][ T72] inet6_addr_add+0x30e/0xa40 [ 1561.623136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.623136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.623136][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.623136][ T72] netlink_unicast+0x449/0x710 [ 1561.623136][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.623136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.623136][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.623136][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.623136][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.623136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.623136][ T72] [ 1561.625363][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1561.625363][ T72] netdev_get_by_index+0x5e/0x80 [ 1561.625363][ T72] fib6_nh_init+0x3d8/0x1580 [ 1561.625363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1561.625363][ T72] ip6_route_add+0x1c/0x140 [ 1561.625363][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1561.625363][ T72] addrconf_add_dev+0xe2/0x170 [ 1561.625363][ T72] inet6_addr_add+0x12f/0xa40 [ 1561.625363][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1561.625363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.625363][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.625363][ T72] netlink_unicast+0x449/0x710 [ 1561.625363][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.625363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.625363][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.625363][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.625363][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.625363][ T72] [ 1561.627555][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1561.627555][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1561.627555][ T72] ipv6_find_idev+0x102/0x170 [ 1561.627555][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1561.627555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.627555][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.627555][ T72] netlink_unicast+0x449/0x710 [ 1561.627555][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.627555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.627555][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.627555][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.627555][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.627555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.627555][ T72] [ 1561.629322][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1561.629322][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1561.629322][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1561.629322][ T72] ipv6_find_idev+0x102/0x170 [ 1561.629322][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1561.629322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1561.629322][ T72] netlink_rcv_skb+0x130/0x360 [ 1561.629322][ T72] netlink_unicast+0x449/0x710 [ 1561.629322][ T72] netlink_sendmsg+0x723/0xbe0 [ 1561.629322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1561.629322][ T72] ___sys_sendmsg+0xee/0x170 [ 1561.629322][ T72] __sys_sendmsg+0xcd/0x170 [ 1561.629322][ T72] do_syscall_64+0xc6/0x1e0 [ 1561.629322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1561.629322][ T72] [ 1571.744917][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1571.745413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1571.745413][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1571.745413][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1571.745413][ T72] fib6_nh_init+0xa22/0x1580 [ 1571.745413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.745413][ T72] ip6_route_add+0x1c/0x140 [ 1571.745413][ T72] inet6_rtm_newroute+0x104/0x110 [ 1571.745413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.745413][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.745413][ T72] netlink_unicast+0x449/0x710 [ 1571.745413][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.745413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.745413][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.745413][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.745413][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.745413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.745413][ T72] [ 1571.747306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1571.747306][ T72] dst_init+0x84/0x4a0 [ 1571.747306][ T72] dst_alloc+0x97/0x150 [ 1571.747306][ T72] ip6_dst_alloc+0x23/0x90 [ 1571.747306][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1571.747306][ T72] ip6_pol_route+0x56f/0x840 [ 1571.747306][ T72] fib6_rule_lookup+0x456/0x630 [ 1571.747306][ T72] ip6_route_input+0x59c/0xa50 [ 1571.747306][ T72] ipv6_rcv+0x397/0x810 [ 1571.747306][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1571.747306][ T72] process_backlog+0x101/0x620 [ 1571.747306][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1571.747306][ T72] net_rx_action+0x495/0xbe0 [ 1571.747306][ T72] __do_softirq+0x1b5/0x7f6 [ 1571.747306][ T72] [ 1571.748946][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1571.748946][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.748946][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.748946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.748946][ T72] ip6_route_add+0x1c/0x140 [ 1571.748946][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1571.748946][ T72] inet6_addr_add+0x4f8/0xa40 [ 1571.748946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.748946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.748946][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.748946][ T72] netlink_unicast+0x449/0x710 [ 1571.748946][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.748946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.748946][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.748946][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.748946][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.748946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.748946][ T72] [ 1571.750944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1571.750944][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.750944][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.750944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.750944][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1571.750944][ T72] ipv6_add_addr+0x411/0x2000 [ 1571.750944][ T72] inet6_addr_add+0x30e/0xa40 [ 1571.750944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.750944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.750944][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.750944][ T72] netlink_unicast+0x449/0x710 [ 1571.750944][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.750944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.750944][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.750944][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.750944][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.750944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.750944][ T72] [ 1571.752921][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1571.752921][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.752921][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.752921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.752921][ T72] ip6_route_add+0x1c/0x140 [ 1571.752921][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1571.752921][ T72] addrconf_add_dev+0xe2/0x170 [ 1571.752921][ T72] inet6_addr_add+0x12f/0xa40 [ 1571.752921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.752921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.752921][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.752921][ T72] netlink_unicast+0x449/0x710 [ 1571.752921][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.752921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.752921][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.752921][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.752921][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.752921][ T72] [ 1571.754866][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1571.754866][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1571.754866][ T72] ipv6_find_idev+0x102/0x170 [ 1571.754866][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1571.754866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.754866][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.754866][ T72] netlink_unicast+0x449/0x710 [ 1571.754866][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.754866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.754866][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.754866][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.754866][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.754866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.754866][ T72] [ 1571.756407][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1571.756407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1571.756407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1571.756407][ T72] ipv6_find_idev+0x102/0x170 [ 1571.756407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1571.756407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.756407][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.756407][ T72] netlink_unicast+0x449/0x710 [ 1571.756407][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.756407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.756407][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.756407][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.756407][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.756407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.756407][ T72] [ 1571.758085][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1571.758356][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1571.758356][ T72] dst_init+0x84/0x4a0 [ 1571.758356][ T72] dst_alloc+0x97/0x150 [ 1571.758356][ T72] ip6_dst_alloc+0x23/0x90 [ 1571.758356][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1571.758356][ T72] ip6_pol_route+0x56f/0x840 [ 1571.758356][ T72] fib6_rule_lookup+0x456/0x630 [ 1571.758356][ T72] ip6_route_input+0x59c/0xa50 [ 1571.758356][ T72] ipv6_rcv+0x397/0x810 [ 1571.758356][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1571.758356][ T72] process_backlog+0x101/0x620 [ 1571.758356][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1571.758356][ T72] net_rx_action+0x495/0xbe0 [ 1571.758356][ T72] __do_softirq+0x1b5/0x7f6 [ 1571.758356][ T72] [ 1571.759995][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1571.759995][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.759995][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.759995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.759995][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1571.759995][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1571.759995][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1571.759995][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1571.759995][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1571.759995][ T72] addrconf_dad_begin+0x310/0x670 [ 1571.759995][ T72] addrconf_dad_work+0x10b/0xab0 [ 1571.759995][ T72] process_one_work+0x84d/0x18a0 [ 1571.759995][ T72] worker_thread+0x587/0xd30 [ 1571.759995][ T72] kthread+0x28a/0x350 [ 1571.759995][ T72] ret_from_fork+0x31/0x70 [ 1571.759995][ T72] ret_from_fork_asm+0x1a/0x30 [ 1571.759995][ T72] [ 1571.761901][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1571.761901][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.761901][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.761901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.761901][ T72] ip6_route_add+0x1c/0x140 [ 1571.761901][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1571.761901][ T72] inet6_addr_add+0x4f8/0xa40 [ 1571.761901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.761901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.761901][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.761901][ T72] netlink_unicast+0x449/0x710 [ 1571.761901][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.761901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.761901][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.761901][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.761901][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.761901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.761901][ T72] [ 1571.763890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1571.763890][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.763890][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.763890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.763890][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1571.763890][ T72] ipv6_add_addr+0x411/0x2000 [ 1571.763890][ T72] inet6_addr_add+0x30e/0xa40 [ 1571.763890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.763890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.763890][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.763890][ T72] netlink_unicast+0x449/0x710 [ 1571.763890][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.763890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.763890][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.763890][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.763890][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.763890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.763890][ T72] [ 1571.765879][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1571.765879][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.765879][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.765879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.765879][ T72] ip6_route_add+0x1c/0x140 [ 1571.765879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1571.765879][ T72] addrconf_add_dev+0xe2/0x170 [ 1571.765879][ T72] inet6_addr_add+0x12f/0xa40 [ 1571.765879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.765879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.765879][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.765879][ T72] netlink_unicast+0x449/0x710 [ 1571.765879][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.765879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.765879][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.765879][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.765879][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.765879][ T72] [ 1571.767832][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1571.767832][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1571.767832][ T72] ipv6_find_idev+0x102/0x170 [ 1571.767832][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1571.767832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.767832][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.767832][ T72] netlink_unicast+0x449/0x710 [ 1571.767832][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.767832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.767832][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.767832][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.767832][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.767832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.767832][ T72] [ 1571.769365][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1571.769365][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1571.769365][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1571.769365][ T72] ipv6_find_idev+0x102/0x170 [ 1571.769365][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1571.769365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.769365][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.769365][ T72] netlink_unicast+0x449/0x710 [ 1571.769365][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.769365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.769365][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.769365][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.769365][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.769365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.769365][ T72] [ 1571.771127][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1571.771395][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1571.771395][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1571.771395][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1571.771395][ T72] fib6_nh_init+0xa22/0x1580 [ 1571.771395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.771395][ T72] ip6_route_add+0x1c/0x140 [ 1571.771395][ T72] inet6_rtm_newroute+0x104/0x110 [ 1571.771395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.771395][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.771395][ T72] netlink_unicast+0x449/0x710 [ 1571.771395][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.771395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.771395][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.771395][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.771395][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.771395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.771395][ T72] [ 1571.773401][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1571.773401][ T72] dst_init+0x84/0x4a0 [ 1571.773401][ T72] dst_alloc+0x97/0x150 [ 1571.773401][ T72] ip6_dst_alloc+0x23/0x90 [ 1571.773401][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1571.773401][ T72] ip6_pol_route+0x56f/0x840 [ 1571.773401][ T72] fib6_rule_lookup+0x456/0x630 [ 1571.773401][ T72] ip6_route_input+0x59c/0xa50 [ 1571.773401][ T72] ipv6_rcv+0x397/0x810 [ 1571.773401][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1571.773401][ T72] process_backlog+0x101/0x620 [ 1571.773401][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1571.773401][ T72] net_rx_action+0x495/0xbe0 [ 1571.773401][ T72] __do_softirq+0x1b5/0x7f6 [ 1571.773401][ T72] [ 1571.775156][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1571.775156][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.775156][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.775156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.775156][ T72] ip6_route_add+0x1c/0x140 [ 1571.775156][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1571.775156][ T72] inet6_addr_add+0x4f8/0xa40 [ 1571.775156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.775156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.775156][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.775156][ T72] netlink_unicast+0x449/0x710 [ 1571.775156][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.775156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.775156][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.775156][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.775156][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.775156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.775156][ T72] [ 1571.777212][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1571.777212][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.777212][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.777212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.777212][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1571.777212][ T72] ipv6_add_addr+0x411/0x2000 [ 1571.777212][ T72] inet6_addr_add+0x30e/0xa40 [ 1571.777212][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.777212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.777212][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.777212][ T72] netlink_unicast+0x449/0x710 [ 1571.777212][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.777212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.777212][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.777212][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.777212][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.777212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.777212][ T72] [ 1571.779386][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1571.779386][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.779386][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.779386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.779386][ T72] ip6_route_add+0x1c/0x140 [ 1571.779386][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1571.779386][ T72] addrconf_add_dev+0xe2/0x170 [ 1571.779386][ T72] inet6_addr_add+0x12f/0xa40 [ 1571.779386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.779386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.779386][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.779386][ T72] netlink_unicast+0x449/0x710 [ 1571.779386][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.779386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.779386][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.779386][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.779386][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.779386][ T72] [ 1571.781488][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1571.781488][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1571.781488][ T72] ipv6_find_idev+0x102/0x170 [ 1571.781488][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1571.781488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.781488][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.781488][ T72] netlink_unicast+0x449/0x710 [ 1571.781488][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.781488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.781488][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.781488][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.781488][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.781488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.781488][ T72] [ 1571.783078][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1571.783078][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1571.783078][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1571.783078][ T72] ipv6_find_idev+0x102/0x170 [ 1571.783078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1571.783078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.783078][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.783078][ T72] netlink_unicast+0x449/0x710 [ 1571.783078][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.783078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.783078][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.783078][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.783078][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.783078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.783078][ T72] [ 1571.784886][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1571.785153][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1571.785153][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.785153][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.785153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.785153][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1571.785153][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1571.785153][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1571.785153][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1571.785153][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1571.785153][ T72] addrconf_dad_begin+0x310/0x670 [ 1571.785153][ T72] addrconf_dad_work+0x10b/0xab0 [ 1571.785153][ T72] process_one_work+0x84d/0x18a0 [ 1571.785153][ T72] worker_thread+0x587/0xd30 [ 1571.785153][ T72] kthread+0x28a/0x350 [ 1571.785153][ T72] ret_from_fork+0x31/0x70 [ 1571.785153][ T72] ret_from_fork_asm+0x1a/0x30 [ 1571.785153][ T72] [ 1571.787170][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1571.787170][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.787170][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.787170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.787170][ T72] ip6_route_add+0x1c/0x140 [ 1571.787170][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1571.787170][ T72] inet6_addr_add+0x4f8/0xa40 [ 1571.787170][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.787170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.787170][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.787170][ T72] netlink_unicast+0x449/0x710 [ 1571.787170][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.787170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.787170][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.787170][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.787170][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.787170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.787170][ T72] [ 1571.789284][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1571.789284][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.789284][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.789284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.789284][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1571.789284][ T72] ipv6_add_addr+0x411/0x2000 [ 1571.789284][ T72] inet6_addr_add+0x30e/0xa40 [ 1571.789284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.789284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.789284][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.789284][ T72] netlink_unicast+0x449/0x710 [ 1571.789284][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.789284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.789284][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.789284][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.789284][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.789284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.789284][ T72] [ 1571.791411][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1571.791411][ T72] netdev_get_by_index+0x5e/0x80 [ 1571.791411][ T72] fib6_nh_init+0x3d8/0x1580 [ 1571.791411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1571.791411][ T72] ip6_route_add+0x1c/0x140 [ 1571.791411][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1571.791411][ T72] addrconf_add_dev+0xe2/0x170 [ 1571.791411][ T72] inet6_addr_add+0x12f/0xa40 [ 1571.791411][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1571.791411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.791411][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.791411][ T72] netlink_unicast+0x449/0x710 [ 1571.791411][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.791411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.791411][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.791411][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.791411][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.791411][ T72] [ 1571.793490][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1571.793490][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1571.793490][ T72] ipv6_find_idev+0x102/0x170 [ 1571.793490][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1571.793490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.793490][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.793490][ T72] netlink_unicast+0x449/0x710 [ 1571.793490][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.793490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.793490][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.793490][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.793490][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.793490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.793490][ T72] [ 1571.795083][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1571.795083][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1571.795083][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1571.795083][ T72] ipv6_find_idev+0x102/0x170 [ 1571.795083][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1571.795083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1571.795083][ T72] netlink_rcv_skb+0x130/0x360 [ 1571.795083][ T72] netlink_unicast+0x449/0x710 [ 1571.795083][ T72] netlink_sendmsg+0x723/0xbe0 [ 1571.795083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1571.795083][ T72] ___sys_sendmsg+0xee/0x170 [ 1571.795083][ T72] __sys_sendmsg+0xcd/0x170 [ 1571.795083][ T72] do_syscall_64+0xc6/0x1e0 [ 1571.795083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1571.795083][ T72] [ 1582.032938][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1582.033501][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1582.033501][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1582.033501][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1582.033501][ T72] fib6_nh_init+0xa22/0x1580 [ 1582.033501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.033501][ T72] ip6_route_add+0x1c/0x140 [ 1582.033501][ T72] inet6_rtm_newroute+0x104/0x110 [ 1582.033501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.033501][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.033501][ T72] netlink_unicast+0x449/0x710 [ 1582.033501][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.033501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.033501][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.033501][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.033501][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.033501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.033501][ T72] [ 1582.035414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1582.035414][ T72] dst_init+0x84/0x4a0 [ 1582.035414][ T72] dst_alloc+0x97/0x150 [ 1582.035414][ T72] ip6_dst_alloc+0x23/0x90 [ 1582.035414][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1582.035414][ T72] ip6_pol_route+0x56f/0x840 [ 1582.035414][ T72] fib6_rule_lookup+0x456/0x630 [ 1582.035414][ T72] ip6_route_input+0x59c/0xa50 [ 1582.035414][ T72] ipv6_rcv+0x397/0x810 [ 1582.035414][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1582.035414][ T72] process_backlog+0x101/0x620 [ 1582.035414][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1582.035414][ T72] net_rx_action+0x495/0xbe0 [ 1582.035414][ T72] __do_softirq+0x1b5/0x7f6 [ 1582.035414][ T72] [ 1582.037046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1582.037046][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.037046][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.037046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.037046][ T72] ip6_route_add+0x1c/0x140 [ 1582.037046][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1582.037046][ T72] inet6_addr_add+0x4f8/0xa40 [ 1582.037046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.037046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.037046][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.037046][ T72] netlink_unicast+0x449/0x710 [ 1582.037046][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.037046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.037046][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.037046][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.037046][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.037046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.037046][ T72] [ 1582.039033][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1582.039033][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.039033][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.039033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.039033][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1582.039033][ T72] ipv6_add_addr+0x411/0x2000 [ 1582.039033][ T72] inet6_addr_add+0x30e/0xa40 [ 1582.039033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.039033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.039033][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.039033][ T72] netlink_unicast+0x449/0x710 [ 1582.039033][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.039033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.039033][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.039033][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.039033][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.039033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.039033][ T72] [ 1582.041026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1582.041026][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.041026][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.041026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.041026][ T72] ip6_route_add+0x1c/0x140 [ 1582.041026][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1582.041026][ T72] addrconf_add_dev+0xe2/0x170 [ 1582.041026][ T72] inet6_addr_add+0x12f/0xa40 [ 1582.041026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.041026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.041026][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.041026][ T72] netlink_unicast+0x449/0x710 [ 1582.041026][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.041026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.041026][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.041026][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.041026][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.041026][ T72] [ 1582.042973][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1582.042973][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1582.042973][ T72] ipv6_find_idev+0x102/0x170 [ 1582.042973][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.042973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.042973][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.042973][ T72] netlink_unicast+0x449/0x710 [ 1582.042973][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.042973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.042973][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.042973][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.042973][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.042973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.042973][ T72] [ 1582.044500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1582.044500][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1582.044500][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1582.044500][ T72] ipv6_find_idev+0x102/0x170 [ 1582.044500][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.044500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.044500][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.044500][ T72] netlink_unicast+0x449/0x710 [ 1582.044500][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.044500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.044500][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.044500][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.044500][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.044500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.044500][ T72] [ 1582.046181][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1582.046453][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1582.046453][ T72] dst_init+0x84/0x4a0 [ 1582.046453][ T72] dst_alloc+0x97/0x150 [ 1582.046453][ T72] ip6_dst_alloc+0x23/0x90 [ 1582.046453][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1582.046453][ T72] ip6_pol_route+0x56f/0x840 [ 1582.046453][ T72] fib6_rule_lookup+0x456/0x630 [ 1582.046453][ T72] ip6_route_input+0x59c/0xa50 [ 1582.046453][ T72] ipv6_rcv+0x397/0x810 [ 1582.046453][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1582.046453][ T72] process_backlog+0x101/0x620 [ 1582.046453][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1582.046453][ T72] net_rx_action+0x495/0xbe0 [ 1582.046453][ T72] __do_softirq+0x1b5/0x7f6 [ 1582.046453][ T72] [ 1582.048077][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1582.048077][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.048077][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.048077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.048077][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1582.048077][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1582.048077][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1582.048077][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1582.048077][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1582.048077][ T72] addrconf_dad_begin+0x310/0x670 [ 1582.048077][ T72] addrconf_dad_work+0x10b/0xab0 [ 1582.048077][ T72] process_one_work+0x84d/0x18a0 [ 1582.048077][ T72] worker_thread+0x587/0xd30 [ 1582.048077][ T72] kthread+0x28a/0x350 [ 1582.048077][ T72] ret_from_fork+0x31/0x70 [ 1582.048077][ T72] ret_from_fork_asm+0x1a/0x30 [ 1582.048077][ T72] [ 1582.049966][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1582.049966][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.049966][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.049966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.049966][ T72] ip6_route_add+0x1c/0x140 [ 1582.049966][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1582.049966][ T72] inet6_addr_add+0x4f8/0xa40 [ 1582.049966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.049966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.049966][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.049966][ T72] netlink_unicast+0x449/0x710 [ 1582.049966][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.049966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.049966][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.049966][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.049966][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.049966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.049966][ T72] [ 1582.051981][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1582.051981][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.051981][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.051981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.051981][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1582.051981][ T72] ipv6_add_addr+0x411/0x2000 [ 1582.051981][ T72] inet6_addr_add+0x30e/0xa40 [ 1582.051981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.051981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.051981][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.051981][ T72] netlink_unicast+0x449/0x710 [ 1582.051981][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.051981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.051981][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.051981][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.051981][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.051981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.051981][ T72] [ 1582.053961][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1582.053961][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.053961][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.053961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.053961][ T72] ip6_route_add+0x1c/0x140 [ 1582.053961][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1582.053961][ T72] addrconf_add_dev+0xe2/0x170 [ 1582.053961][ T72] inet6_addr_add+0x12f/0xa40 [ 1582.053961][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.053961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.053961][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.053961][ T72] netlink_unicast+0x449/0x710 [ 1582.053961][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.053961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.053961][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.053961][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.053961][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.053961][ T72] [ 1582.055906][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1582.055906][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1582.055906][ T72] ipv6_find_idev+0x102/0x170 [ 1582.055906][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.055906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.055906][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.055906][ T72] netlink_unicast+0x449/0x710 [ 1582.055906][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.055906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.055906][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.055906][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.055906][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.055906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.055906][ T72] [ 1582.057431][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1582.057431][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1582.057431][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1582.057431][ T72] ipv6_find_idev+0x102/0x170 [ 1582.057431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.057431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.057431][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.057431][ T72] netlink_unicast+0x449/0x710 [ 1582.057431][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.057431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.057431][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.057431][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.057431][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.057431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.057431][ T72] [ 1582.059177][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1582.059512][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1582.059512][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1582.059512][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1582.059512][ T72] fib6_nh_init+0xa22/0x1580 [ 1582.059512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.059512][ T72] ip6_route_add+0x1c/0x140 [ 1582.059512][ T72] inet6_rtm_newroute+0x104/0x110 [ 1582.059512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.059512][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.059512][ T72] netlink_unicast+0x449/0x710 [ 1582.059512][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.059512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.059512][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.059512][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.059512][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.059512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.059512][ T72] [ 1582.061501][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1582.061501][ T72] dst_init+0x84/0x4a0 [ 1582.061501][ T72] dst_alloc+0x97/0x150 [ 1582.061501][ T72] ip6_dst_alloc+0x23/0x90 [ 1582.061501][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1582.061501][ T72] ip6_pol_route+0x56f/0x840 [ 1582.061501][ T72] fib6_rule_lookup+0x456/0x630 [ 1582.061501][ T72] ip6_route_input+0x59c/0xa50 [ 1582.061501][ T72] ipv6_rcv+0x397/0x810 [ 1582.061501][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1582.061501][ T72] process_backlog+0x101/0x620 [ 1582.061501][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1582.061501][ T72] net_rx_action+0x495/0xbe0 [ 1582.061501][ T72] __do_softirq+0x1b5/0x7f6 [ 1582.061501][ T72] [ 1582.063306][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1582.063306][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.063306][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.063306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.063306][ T72] ip6_route_add+0x1c/0x140 [ 1582.063306][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1582.063306][ T72] inet6_addr_add+0x4f8/0xa40 [ 1582.063306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.063306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.063306][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.063306][ T72] netlink_unicast+0x449/0x710 [ 1582.063306][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.063306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.063306][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.063306][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.063306][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.063306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.063306][ T72] [ 1582.065597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1582.065597][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.065597][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.065597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.065597][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1582.065597][ T72] ipv6_add_addr+0x411/0x2000 [ 1582.065597][ T72] inet6_addr_add+0x30e/0xa40 [ 1582.065597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.065597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.065597][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.065597][ T72] netlink_unicast+0x449/0x710 [ 1582.065597][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.065597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.065597][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.065597][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.065597][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.065597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.065597][ T72] [ 1582.067816][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1582.067816][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.067816][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.067816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.067816][ T72] ip6_route_add+0x1c/0x140 [ 1582.067816][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1582.067816][ T72] addrconf_add_dev+0xe2/0x170 [ 1582.067816][ T72] inet6_addr_add+0x12f/0xa40 [ 1582.067816][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.067816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.067816][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.067816][ T72] netlink_unicast+0x449/0x710 [ 1582.067816][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.067816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.067816][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.067816][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.067816][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.067816][ T72] [ 1582.070006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1582.070006][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1582.070006][ T72] ipv6_find_idev+0x102/0x170 [ 1582.070006][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.070006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.070006][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.070006][ T72] netlink_unicast+0x449/0x710 [ 1582.070006][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.070006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.070006][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.070006][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.070006][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.070006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.070006][ T72] [ 1582.071720][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1582.071720][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1582.071720][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1582.071720][ T72] ipv6_find_idev+0x102/0x170 [ 1582.071720][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.071720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.071720][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.071720][ T72] netlink_unicast+0x449/0x710 [ 1582.071720][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.071720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.071720][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.071720][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.071720][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.071720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.071720][ T72] [ 1582.073570][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1582.074528][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1582.074528][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.074528][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.074528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.074528][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1582.074528][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1582.074528][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1582.074528][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1582.074528][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1582.074528][ T72] addrconf_dad_begin+0x310/0x670 [ 1582.074528][ T72] addrconf_dad_work+0x10b/0xab0 [ 1582.074528][ T72] process_one_work+0x84d/0x18a0 [ 1582.074528][ T72] worker_thread+0x587/0xd30 [ 1582.074528][ T72] kthread+0x28a/0x350 [ 1582.074528][ T72] ret_from_fork+0x31/0x70 [ 1582.074528][ T72] ret_from_fork_asm+0x1a/0x30 [ 1582.074528][ T72] [ 1582.076602][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1582.076602][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.076602][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.076602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.076602][ T72] ip6_route_add+0x1c/0x140 [ 1582.076602][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1582.076602][ T72] inet6_addr_add+0x4f8/0xa40 [ 1582.076602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.076602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.076602][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.076602][ T72] netlink_unicast+0x449/0x710 [ 1582.076602][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.076602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.076602][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.076602][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.076602][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.076602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.076602][ T72] [ 1582.079203][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1582.079203][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.079203][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.079203][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.079203][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1582.079203][ T72] ipv6_add_addr+0x411/0x2000 [ 1582.079203][ T72] inet6_addr_add+0x30e/0xa40 [ 1582.079203][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.079203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.079203][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.079203][ T72] netlink_unicast+0x449/0x710 [ 1582.079203][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.079203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.079203][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.079203][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.079203][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.079203][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.079203][ T72] [ 1582.081439][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1582.081439][ T72] netdev_get_by_index+0x5e/0x80 [ 1582.081439][ T72] fib6_nh_init+0x3d8/0x1580 [ 1582.081439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1582.081439][ T72] ip6_route_add+0x1c/0x140 [ 1582.081439][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1582.081439][ T72] addrconf_add_dev+0xe2/0x170 [ 1582.081439][ T72] inet6_addr_add+0x12f/0xa40 [ 1582.081439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.081439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.081439][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.081439][ T72] netlink_unicast+0x449/0x710 [ 1582.081439][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.081439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.081439][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.081439][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.081439][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.081439][ T72] [ 1582.083625][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1582.083625][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1582.083625][ T72] ipv6_find_idev+0x102/0x170 [ 1582.083625][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.083625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.083625][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.083625][ T72] netlink_unicast+0x449/0x710 [ 1582.083625][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.083625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.083625][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.083625][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.083625][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.083625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.083625][ T72] [ 1582.085389][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1582.085389][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1582.085389][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1582.085389][ T72] ipv6_find_idev+0x102/0x170 [ 1582.085389][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.085389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.085389][ T72] netlink_rcv_skb+0x130/0x360 [ 1582.085389][ T72] netlink_unicast+0x449/0x710 [ 1582.085389][ T72] netlink_sendmsg+0x723/0xbe0 [ 1582.085389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1582.085389][ T72] ___sys_sendmsg+0xee/0x170 [ 1582.085389][ T72] __sys_sendmsg+0xcd/0x170 [ 1582.085389][ T72] do_syscall_64+0xc6/0x1e0 [ 1582.085389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.085389][ T72] [ 1592.328917][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1592.329440][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1592.329440][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1592.329440][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1592.329440][ T72] fib6_nh_init+0xa22/0x1580 [ 1592.329440][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.329440][ T72] ip6_route_add+0x1c/0x140 [ 1592.329440][ T72] inet6_rtm_newroute+0x104/0x110 [ 1592.329440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.329440][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.329440][ T72] netlink_unicast+0x449/0x710 [ 1592.329440][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.329440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.329440][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.329440][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.329440][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.329440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.329440][ T72] [ 1592.331362][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1592.331362][ T72] dst_init+0x84/0x4a0 [ 1592.331362][ T72] dst_alloc+0x97/0x150 [ 1592.331362][ T72] ip6_dst_alloc+0x23/0x90 [ 1592.331362][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1592.331362][ T72] ip6_pol_route+0x56f/0x840 [ 1592.331362][ T72] fib6_rule_lookup+0x456/0x630 [ 1592.331362][ T72] ip6_route_input+0x59c/0xa50 [ 1592.331362][ T72] ipv6_rcv+0x397/0x810 [ 1592.331362][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1592.331362][ T72] process_backlog+0x101/0x620 [ 1592.331362][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1592.331362][ T72] net_rx_action+0x495/0xbe0 [ 1592.331362][ T72] __do_softirq+0x1b5/0x7f6 [ 1592.331362][ T72] [ 1592.333017][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1592.333017][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.333017][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.333017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.333017][ T72] ip6_route_add+0x1c/0x140 [ 1592.333017][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1592.333017][ T72] inet6_addr_add+0x4f8/0xa40 [ 1592.333017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.333017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.333017][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.333017][ T72] netlink_unicast+0x449/0x710 [ 1592.333017][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.333017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.333017][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.333017][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.333017][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.333017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.333017][ T72] [ 1592.335013][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1592.335013][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.335013][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.335013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.335013][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1592.335013][ T72] ipv6_add_addr+0x411/0x2000 [ 1592.335013][ T72] inet6_addr_add+0x30e/0xa40 [ 1592.335013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.335013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.335013][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.335013][ T72] netlink_unicast+0x449/0x710 [ 1592.335013][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.335013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.335013][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.335013][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.335013][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.335013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.335013][ T72] [ 1592.337011][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1592.337011][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.337011][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.337011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.337011][ T72] ip6_route_add+0x1c/0x140 [ 1592.337011][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1592.337011][ T72] addrconf_add_dev+0xe2/0x170 [ 1592.337011][ T72] inet6_addr_add+0x12f/0xa40 [ 1592.337011][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.337011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.337011][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.337011][ T72] netlink_unicast+0x449/0x710 [ 1592.337011][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.337011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.337011][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.337011][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.337011][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.337011][ T72] [ 1592.338975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1592.338975][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1592.338975][ T72] ipv6_find_idev+0x102/0x170 [ 1592.338975][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1592.338975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.338975][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.338975][ T72] netlink_unicast+0x449/0x710 [ 1592.338975][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.338975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.338975][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.338975][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.338975][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.338975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.338975][ T72] [ 1592.340525][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1592.340525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1592.340525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1592.340525][ T72] ipv6_find_idev+0x102/0x170 [ 1592.340525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1592.340525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.340525][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.340525][ T72] netlink_unicast+0x449/0x710 [ 1592.340525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.340525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.340525][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.340525][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.340525][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.340525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.340525][ T72] [ 1592.342241][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1592.342525][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1592.342525][ T72] dst_init+0x84/0x4a0 [ 1592.342525][ T72] dst_alloc+0x97/0x150 [ 1592.342525][ T72] ip6_dst_alloc+0x23/0x90 [ 1592.342525][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1592.342525][ T72] ip6_pol_route+0x56f/0x840 [ 1592.342525][ T72] fib6_rule_lookup+0x456/0x630 [ 1592.342525][ T72] ip6_route_input+0x59c/0xa50 [ 1592.342525][ T72] ipv6_rcv+0x397/0x810 [ 1592.342525][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1592.342525][ T72] process_backlog+0x101/0x620 [ 1592.342525][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1592.342525][ T72] net_rx_action+0x495/0xbe0 [ 1592.342525][ T72] __do_softirq+0x1b5/0x7f6 [ 1592.342525][ T72] [ 1592.344171][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1592.344171][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.344171][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.344171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.344171][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1592.344171][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1592.344171][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1592.344171][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1592.344171][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1592.344171][ T72] addrconf_dad_begin+0x310/0x670 [ 1592.344171][ T72] addrconf_dad_work+0x10b/0xab0 [ 1592.344171][ T72] process_one_work+0x84d/0x18a0 [ 1592.344171][ T72] worker_thread+0x587/0xd30 [ 1592.344171][ T72] kthread+0x28a/0x350 [ 1592.344171][ T72] ret_from_fork+0x31/0x70 [ 1592.344171][ T72] ret_from_fork_asm+0x1a/0x30 [ 1592.344171][ T72] [ 1592.346092][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1592.346092][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.346092][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.346092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.346092][ T72] ip6_route_add+0x1c/0x140 [ 1592.346092][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1592.346092][ T72] inet6_addr_add+0x4f8/0xa40 [ 1592.346092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.346092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.346092][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.346092][ T72] netlink_unicast+0x449/0x710 [ 1592.346092][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.346092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.346092][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.346092][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.346092][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.346092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.346092][ T72] [ 1592.348092][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1592.348092][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.348092][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.348092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.348092][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1592.348092][ T72] ipv6_add_addr+0x411/0x2000 [ 1592.348092][ T72] inet6_addr_add+0x30e/0xa40 [ 1592.348092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.348092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.348092][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.348092][ T72] netlink_unicast+0x449/0x710 [ 1592.348092][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.348092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.348092][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.348092][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.348092][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.348092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.348092][ T72] [ 1592.350100][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1592.350100][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.350100][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.350100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.350100][ T72] ip6_route_add+0x1c/0x140 [ 1592.350100][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1592.350100][ T72] addrconf_add_dev+0xe2/0x170 [ 1592.350100][ T72] inet6_addr_add+0x12f/0xa40 [ 1592.350100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.350100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.350100][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.350100][ T72] netlink_unicast+0x449/0x710 [ 1592.350100][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.350100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.350100][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.350100][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.350100][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.350100][ T72] [ 1592.352093][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1592.352093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1592.352093][ T72] ipv6_find_idev+0x102/0x170 [ 1592.352093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1592.352093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.352093][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.352093][ T72] netlink_unicast+0x449/0x710 [ 1592.352093][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.352093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.352093][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.352093][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.352093][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.352093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.352093][ T72] [ 1592.353639][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1592.353639][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1592.353639][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1592.353639][ T72] ipv6_find_idev+0x102/0x170 [ 1592.353639][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1592.353639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.353639][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.353639][ T72] netlink_unicast+0x449/0x710 [ 1592.353639][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.353639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.353639][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.353639][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.353639][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.353639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.353639][ T72] [ 1592.355463][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1592.355743][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1592.355743][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1592.355743][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1592.355743][ T72] fib6_nh_init+0xa22/0x1580 [ 1592.355743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.355743][ T72] ip6_route_add+0x1c/0x140 [ 1592.355743][ T72] inet6_rtm_newroute+0x104/0x110 [ 1592.355743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.355743][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.355743][ T72] netlink_unicast+0x449/0x710 [ 1592.355743][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.355743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.355743][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.355743][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.355743][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.355743][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.355743][ T72] [ 1592.357936][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1592.357936][ T72] dst_init+0x84/0x4a0 [ 1592.357936][ T72] dst_alloc+0x97/0x150 [ 1592.357936][ T72] ip6_dst_alloc+0x23/0x90 [ 1592.357936][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1592.357936][ T72] ip6_pol_route+0x56f/0x840 [ 1592.357936][ T72] fib6_rule_lookup+0x456/0x630 [ 1592.357936][ T72] ip6_route_input+0x59c/0xa50 [ 1592.357936][ T72] ipv6_rcv+0x397/0x810 [ 1592.357936][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1592.357936][ T72] process_backlog+0x101/0x620 [ 1592.357936][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1592.357936][ T72] net_rx_action+0x495/0xbe0 [ 1592.357936][ T72] __do_softirq+0x1b5/0x7f6 [ 1592.357936][ T72] [ 1592.359755][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1592.359755][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.359755][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.359755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.359755][ T72] ip6_route_add+0x1c/0x140 [ 1592.359755][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1592.359755][ T72] inet6_addr_add+0x4f8/0xa40 [ 1592.359755][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.359755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.359755][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.359755][ T72] netlink_unicast+0x449/0x710 [ 1592.359755][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.359755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.359755][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.359755][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.359755][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.359755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.359755][ T72] [ 1592.362006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1592.362006][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.362006][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.362006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.362006][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1592.362006][ T72] ipv6_add_addr+0x411/0x2000 [ 1592.362006][ T72] inet6_addr_add+0x30e/0xa40 [ 1592.362006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.362006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.362006][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.362006][ T72] netlink_unicast+0x449/0x710 [ 1592.362006][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.362006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.362006][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.362006][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.362006][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.362006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.362006][ T72] [ 1592.364186][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1592.364186][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.364186][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.364186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.364186][ T72] ip6_route_add+0x1c/0x140 [ 1592.364186][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1592.364186][ T72] addrconf_add_dev+0xe2/0x170 [ 1592.364186][ T72] inet6_addr_add+0x12f/0xa40 [ 1592.364186][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.364186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.364186][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.364186][ T72] netlink_unicast+0x449/0x710 [ 1592.364186][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.364186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.364186][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.364186][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.364186][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.364186][ T72] [ 1592.366459][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1592.366459][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1592.366459][ T72] ipv6_find_idev+0x102/0x170 [ 1592.366459][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1592.366459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.366459][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.366459][ T72] netlink_unicast+0x449/0x710 [ 1592.366459][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.366459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.366459][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.366459][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.366459][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.366459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.366459][ T72] [ 1592.368183][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1592.368183][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1592.368183][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1592.368183][ T72] ipv6_find_idev+0x102/0x170 [ 1592.368183][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1592.368183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.368183][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.368183][ T72] netlink_unicast+0x449/0x710 [ 1592.368183][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.368183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.368183][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.368183][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.368183][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.368183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.368183][ T72] [ 1592.370054][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1592.370408][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1592.370408][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.370408][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.370408][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.370408][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1592.370408][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1592.370408][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1592.370408][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1592.370408][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1592.370408][ T72] addrconf_dad_begin+0x310/0x670 [ 1592.370408][ T72] addrconf_dad_work+0x10b/0xab0 [ 1592.370408][ T72] process_one_work+0x84d/0x18a0 [ 1592.370408][ T72] worker_thread+0x587/0xd30 [ 1592.370408][ T72] kthread+0x28a/0x350 [ 1592.370408][ T72] ret_from_fork+0x31/0x70 [ 1592.370408][ T72] ret_from_fork_asm+0x1a/0x30 [ 1592.370408][ T72] [ 1592.372441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1592.372441][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.372441][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.372441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.372441][ T72] ip6_route_add+0x1c/0x140 [ 1592.372441][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1592.372441][ T72] inet6_addr_add+0x4f8/0xa40 [ 1592.372441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.372441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.372441][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.372441][ T72] netlink_unicast+0x449/0x710 [ 1592.372441][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.372441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.372441][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.372441][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.372441][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.372441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.372441][ T72] [ 1592.374685][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1592.374685][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.374685][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.374685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.374685][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1592.374685][ T72] ipv6_add_addr+0x411/0x2000 [ 1592.374685][ T72] inet6_addr_add+0x30e/0xa40 [ 1592.374685][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.374685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.374685][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.374685][ T72] netlink_unicast+0x449/0x710 [ 1592.374685][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.374685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.374685][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.374685][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.374685][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.374685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.374685][ T72] [ 1592.376989][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1592.376989][ T72] netdev_get_by_index+0x5e/0x80 [ 1592.376989][ T72] fib6_nh_init+0x3d8/0x1580 [ 1592.376989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1592.376989][ T72] ip6_route_add+0x1c/0x140 [ 1592.376989][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1592.376989][ T72] addrconf_add_dev+0xe2/0x170 [ 1592.376989][ T72] inet6_addr_add+0x12f/0xa40 [ 1592.376989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1592.376989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.376989][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.376989][ T72] netlink_unicast+0x449/0x710 [ 1592.376989][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.376989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.376989][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.376989][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.376989][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.376989][ T72] [ 1592.379211][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1592.379211][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1592.379211][ T72] ipv6_find_idev+0x102/0x170 [ 1592.379211][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1592.379211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.379211][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.379211][ T72] netlink_unicast+0x449/0x710 [ 1592.379211][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.379211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.379211][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.379211][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.379211][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.379211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.379211][ T72] [ 1592.380942][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1592.380942][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1592.380942][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1592.380942][ T72] ipv6_find_idev+0x102/0x170 [ 1592.380942][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1592.380942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1592.380942][ T72] netlink_rcv_skb+0x130/0x360 [ 1592.380942][ T72] netlink_unicast+0x449/0x710 [ 1592.380942][ T72] netlink_sendmsg+0x723/0xbe0 [ 1592.380942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1592.380942][ T72] ___sys_sendmsg+0xee/0x170 [ 1592.380942][ T72] __sys_sendmsg+0xcd/0x170 [ 1592.380942][ T72] do_syscall_64+0xc6/0x1e0 [ 1592.380942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1592.380942][ T72] [ 1602.841017][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1602.841534][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1602.841534][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1602.841534][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1602.841534][ T72] fib6_nh_init+0xa22/0x1580 [ 1602.841534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.841534][ T72] ip6_route_add+0x1c/0x140 [ 1602.841534][ T72] inet6_rtm_newroute+0x104/0x110 [ 1602.841534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.841534][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.841534][ T72] netlink_unicast+0x449/0x710 [ 1602.841534][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.841534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.841534][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.841534][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.841534][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.841534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.841534][ T72] [ 1602.843451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1602.843451][ T72] dst_init+0x84/0x4a0 [ 1602.843451][ T72] dst_alloc+0x97/0x150 [ 1602.843451][ T72] ip6_dst_alloc+0x23/0x90 [ 1602.843451][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1602.843451][ T72] ip6_pol_route+0x56f/0x840 [ 1602.843451][ T72] fib6_rule_lookup+0x456/0x630 [ 1602.843451][ T72] ip6_route_input+0x59c/0xa50 [ 1602.843451][ T72] ipv6_rcv+0x397/0x810 [ 1602.843451][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1602.843451][ T72] process_backlog+0x101/0x620 [ 1602.843451][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1602.843451][ T72] net_rx_action+0x495/0xbe0 [ 1602.843451][ T72] __do_softirq+0x1b5/0x7f6 [ 1602.843451][ T72] [ 1602.845108][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1602.845108][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.845108][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.845108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.845108][ T72] ip6_route_add+0x1c/0x140 [ 1602.845108][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1602.845108][ T72] inet6_addr_add+0x4f8/0xa40 [ 1602.845108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.845108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.845108][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.845108][ T72] netlink_unicast+0x449/0x710 [ 1602.845108][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.845108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.845108][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.845108][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.845108][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.845108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.845108][ T72] [ 1602.847125][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1602.847125][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.847125][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.847125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.847125][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1602.847125][ T72] ipv6_add_addr+0x411/0x2000 [ 1602.847125][ T72] inet6_addr_add+0x30e/0xa40 [ 1602.847125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.847125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.847125][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.847125][ T72] netlink_unicast+0x449/0x710 [ 1602.847125][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.847125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.847125][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.847125][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.847125][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.847125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.847125][ T72] [ 1602.849137][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1602.849137][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.849137][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.849137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.849137][ T72] ip6_route_add+0x1c/0x140 [ 1602.849137][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1602.849137][ T72] addrconf_add_dev+0xe2/0x170 [ 1602.849137][ T72] inet6_addr_add+0x12f/0xa40 [ 1602.849137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.849137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.849137][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.849137][ T72] netlink_unicast+0x449/0x710 [ 1602.849137][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.849137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.849137][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.849137][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.849137][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.849137][ T72] [ 1602.851129][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1602.851129][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1602.851129][ T72] ipv6_find_idev+0x102/0x170 [ 1602.851129][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1602.851129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.851129][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.851129][ T72] netlink_unicast+0x449/0x710 [ 1602.851129][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.851129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.851129][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.851129][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.851129][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.851129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.851129][ T72] [ 1602.852677][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1602.852677][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1602.852677][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1602.852677][ T72] ipv6_find_idev+0x102/0x170 [ 1602.852677][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1602.852677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.852677][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.852677][ T72] netlink_unicast+0x449/0x710 [ 1602.852677][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.852677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.852677][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.852677][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.852677][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.852677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.852677][ T72] [ 1602.854394][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1602.854670][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1602.854670][ T72] dst_init+0x84/0x4a0 [ 1602.854670][ T72] dst_alloc+0x97/0x150 [ 1602.854670][ T72] ip6_dst_alloc+0x23/0x90 [ 1602.854670][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1602.854670][ T72] ip6_pol_route+0x56f/0x840 [ 1602.854670][ T72] fib6_rule_lookup+0x456/0x630 [ 1602.854670][ T72] ip6_route_input+0x59c/0xa50 [ 1602.854670][ T72] ipv6_rcv+0x397/0x810 [ 1602.854670][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1602.854670][ T72] process_backlog+0x101/0x620 [ 1602.854670][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1602.854670][ T72] net_rx_action+0x495/0xbe0 [ 1602.854670][ T72] __do_softirq+0x1b5/0x7f6 [ 1602.854670][ T72] [ 1602.856314][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1602.856314][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.856314][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.856314][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.856314][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1602.856314][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1602.856314][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1602.856314][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1602.856314][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1602.856314][ T72] addrconf_dad_begin+0x310/0x670 [ 1602.856314][ T72] addrconf_dad_work+0x10b/0xab0 [ 1602.856314][ T72] process_one_work+0x84d/0x18a0 [ 1602.856314][ T72] worker_thread+0x587/0xd30 [ 1602.856314][ T72] kthread+0x28a/0x350 [ 1602.856314][ T72] ret_from_fork+0x31/0x70 [ 1602.856314][ T72] ret_from_fork_asm+0x1a/0x30 [ 1602.856314][ T72] [ 1602.858229][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1602.858229][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.858229][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.858229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.858229][ T72] ip6_route_add+0x1c/0x140 [ 1602.858229][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1602.858229][ T72] inet6_addr_add+0x4f8/0xa40 [ 1602.858229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.858229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.858229][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.858229][ T72] netlink_unicast+0x449/0x710 [ 1602.858229][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.858229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.858229][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.858229][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.858229][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.858229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.858229][ T72] [ 1602.860244][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1602.860244][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.860244][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.860244][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.860244][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1602.860244][ T72] ipv6_add_addr+0x411/0x2000 [ 1602.860244][ T72] inet6_addr_add+0x30e/0xa40 [ 1602.860244][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.860244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.860244][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.860244][ T72] netlink_unicast+0x449/0x710 [ 1602.860244][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.860244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.860244][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.860244][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.860244][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.860244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.860244][ T72] [ 1602.862266][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1602.862266][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.862266][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.862266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.862266][ T72] ip6_route_add+0x1c/0x140 [ 1602.862266][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1602.862266][ T72] addrconf_add_dev+0xe2/0x170 [ 1602.862266][ T72] inet6_addr_add+0x12f/0xa40 [ 1602.862266][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.862266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.862266][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.862266][ T72] netlink_unicast+0x449/0x710 [ 1602.862266][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.862266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.862266][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.862266][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.862266][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.862266][ T72] [ 1602.864238][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1602.864238][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1602.864238][ T72] ipv6_find_idev+0x102/0x170 [ 1602.864238][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1602.864238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.864238][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.864238][ T72] netlink_unicast+0x449/0x710 [ 1602.864238][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.864238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.864238][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.864238][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.864238][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.864238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.864238][ T72] [ 1602.866314][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1602.866314][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1602.866314][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1602.866314][ T72] ipv6_find_idev+0x102/0x170 [ 1602.866314][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1602.866314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.866314][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.866314][ T72] netlink_unicast+0x449/0x710 [ 1602.866314][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.866314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.866314][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.866314][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.866314][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.866314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.866314][ T72] [ 1602.868136][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1602.868406][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1602.868406][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1602.868406][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1602.868406][ T72] fib6_nh_init+0xa22/0x1580 [ 1602.868406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.868406][ T72] ip6_route_add+0x1c/0x140 [ 1602.868406][ T72] inet6_rtm_newroute+0x104/0x110 [ 1602.868406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.868406][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.868406][ T72] netlink_unicast+0x449/0x710 [ 1602.868406][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.868406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.868406][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.868406][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.868406][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.868406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.868406][ T72] [ 1602.870601][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1602.870601][ T72] dst_init+0x84/0x4a0 [ 1602.870601][ T72] dst_alloc+0x97/0x150 [ 1602.870601][ T72] ip6_dst_alloc+0x23/0x90 [ 1602.870601][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1602.870601][ T72] ip6_pol_route+0x56f/0x840 [ 1602.870601][ T72] fib6_rule_lookup+0x456/0x630 [ 1602.870601][ T72] ip6_route_input+0x59c/0xa50 [ 1602.870601][ T72] ipv6_rcv+0x397/0x810 [ 1602.870601][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1602.870601][ T72] process_backlog+0x101/0x620 [ 1602.870601][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1602.870601][ T72] net_rx_action+0x495/0xbe0 [ 1602.870601][ T72] __do_softirq+0x1b5/0x7f6 [ 1602.870601][ T72] [ 1602.872429][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1602.872429][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.872429][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.872429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.872429][ T72] ip6_route_add+0x1c/0x140 [ 1602.872429][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1602.872429][ T72] inet6_addr_add+0x4f8/0xa40 [ 1602.872429][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.872429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.872429][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.872429][ T72] netlink_unicast+0x449/0x710 [ 1602.872429][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.872429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.872429][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.872429][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.872429][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.872429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.872429][ T72] [ 1602.874673][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1602.874673][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.874673][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.874673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.874673][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1602.874673][ T72] ipv6_add_addr+0x411/0x2000 [ 1602.874673][ T72] inet6_addr_add+0x30e/0xa40 [ 1602.874673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.874673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.874673][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.874673][ T72] netlink_unicast+0x449/0x710 [ 1602.874673][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.874673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.874673][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.874673][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.874673][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.874673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.874673][ T72] [ 1602.876860][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1602.876860][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.876860][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.876860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.876860][ T72] ip6_route_add+0x1c/0x140 [ 1602.876860][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1602.876860][ T72] addrconf_add_dev+0xe2/0x170 [ 1602.876860][ T72] inet6_addr_add+0x12f/0xa40 [ 1602.876860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.876860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.876860][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.876860][ T72] netlink_unicast+0x449/0x710 [ 1602.876860][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.876860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.876860][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.876860][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.876860][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.876860][ T72] [ 1602.879135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1602.879135][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1602.879135][ T72] ipv6_find_idev+0x102/0x170 [ 1602.879135][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1602.879135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.879135][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.879135][ T72] netlink_unicast+0x449/0x710 [ 1602.879135][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.879135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.879135][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.879135][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.879135][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.879135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.879135][ T72] [ 1602.880868][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1602.880868][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1602.880868][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1602.880868][ T72] ipv6_find_idev+0x102/0x170 [ 1602.880868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1602.880868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.880868][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.880868][ T72] netlink_unicast+0x449/0x710 [ 1602.880868][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.880868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.880868][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.880868][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.880868][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.880868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.880868][ T72] [ 1602.882751][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1602.883538][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1602.883538][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.883538][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.883538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.883538][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1602.883538][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1602.883538][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1602.883538][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1602.883538][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1602.883538][ T72] addrconf_dad_begin+0x310/0x670 [ 1602.883538][ T72] addrconf_dad_work+0x10b/0xab0 [ 1602.883538][ T72] process_one_work+0x84d/0x18a0 [ 1602.883538][ T72] worker_thread+0x587/0xd30 [ 1602.883538][ T72] kthread+0x28a/0x350 [ 1602.883538][ T72] ret_from_fork+0x31/0x70 [ 1602.883538][ T72] ret_from_fork_asm+0x1a/0x30 [ 1602.883538][ T72] [ 1602.885450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1602.885450][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.885450][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.885450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.885450][ T72] ip6_route_add+0x1c/0x140 [ 1602.885450][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1602.885450][ T72] inet6_addr_add+0x4f8/0xa40 [ 1602.885450][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.885450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.885450][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.885450][ T72] netlink_unicast+0x449/0x710 [ 1602.885450][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.885450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.885450][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.885450][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.885450][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.885450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.885450][ T72] [ 1602.887452][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1602.887452][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.887452][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.887452][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.887452][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1602.887452][ T72] ipv6_add_addr+0x411/0x2000 [ 1602.887452][ T72] inet6_addr_add+0x30e/0xa40 [ 1602.887452][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.887452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.887452][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.887452][ T72] netlink_unicast+0x449/0x710 [ 1602.887452][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.887452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.887452][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.887452][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.887452][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.887452][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.887452][ T72] [ 1602.890093][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1602.890093][ T72] netdev_get_by_index+0x5e/0x80 [ 1602.890093][ T72] fib6_nh_init+0x3d8/0x1580 [ 1602.890093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1602.890093][ T72] ip6_route_add+0x1c/0x140 [ 1602.890093][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1602.890093][ T72] addrconf_add_dev+0xe2/0x170 [ 1602.890093][ T72] inet6_addr_add+0x12f/0xa40 [ 1602.890093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1602.890093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.890093][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.890093][ T72] netlink_unicast+0x449/0x710 [ 1602.890093][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.890093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.890093][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.890093][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.890093][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.890093][ T72] [ 1602.892376][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1602.892376][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1602.892376][ T72] ipv6_find_idev+0x102/0x170 [ 1602.892376][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1602.892376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.892376][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.892376][ T72] netlink_unicast+0x449/0x710 [ 1602.892376][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.892376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.892376][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.892376][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.892376][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.892376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.892376][ T72] [ 1602.894100][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1602.894100][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1602.894100][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1602.894100][ T72] ipv6_find_idev+0x102/0x170 [ 1602.894100][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1602.894100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1602.894100][ T72] netlink_rcv_skb+0x130/0x360 [ 1602.894100][ T72] netlink_unicast+0x449/0x710 [ 1602.894100][ T72] netlink_sendmsg+0x723/0xbe0 [ 1602.894100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1602.894100][ T72] ___sys_sendmsg+0xee/0x170 [ 1602.894100][ T72] __sys_sendmsg+0xcd/0x170 [ 1602.894100][ T72] do_syscall_64+0xc6/0x1e0 [ 1602.894100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1602.894100][ T72] [ 1613.056904][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1613.057413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1613.057413][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1613.057413][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1613.057413][ T72] fib6_nh_init+0xa22/0x1580 [ 1613.057413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.057413][ T72] ip6_route_add+0x1c/0x140 [ 1613.057413][ T72] inet6_rtm_newroute+0x104/0x110 [ 1613.057413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.057413][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.057413][ T72] netlink_unicast+0x449/0x710 [ 1613.057413][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.057413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.057413][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.057413][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.057413][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.057413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.057413][ T72] [ 1613.059306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1613.059306][ T72] dst_init+0x84/0x4a0 [ 1613.059306][ T72] dst_alloc+0x97/0x150 [ 1613.059306][ T72] ip6_dst_alloc+0x23/0x90 [ 1613.059306][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1613.059306][ T72] ip6_pol_route+0x56f/0x840 [ 1613.059306][ T72] fib6_rule_lookup+0x456/0x630 [ 1613.059306][ T72] ip6_route_input+0x59c/0xa50 [ 1613.059306][ T72] ipv6_rcv+0x397/0x810 [ 1613.059306][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1613.059306][ T72] process_backlog+0x101/0x620 [ 1613.059306][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1613.059306][ T72] net_rx_action+0x495/0xbe0 [ 1613.059306][ T72] __do_softirq+0x1b5/0x7f6 [ 1613.059306][ T72] [ 1613.060955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1613.060955][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.060955][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.060955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.060955][ T72] ip6_route_add+0x1c/0x140 [ 1613.060955][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1613.060955][ T72] inet6_addr_add+0x4f8/0xa40 [ 1613.060955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.060955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.060955][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.060955][ T72] netlink_unicast+0x449/0x710 [ 1613.060955][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.060955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.060955][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.060955][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.060955][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.060955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.060955][ T72] [ 1613.062956][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1613.062956][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.062956][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.062956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.062956][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1613.062956][ T72] ipv6_add_addr+0x411/0x2000 [ 1613.062956][ T72] inet6_addr_add+0x30e/0xa40 [ 1613.062956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.062956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.062956][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.062956][ T72] netlink_unicast+0x449/0x710 [ 1613.062956][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.062956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.062956][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.062956][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.062956][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.062956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.062956][ T72] [ 1613.064939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1613.064939][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.064939][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.064939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.064939][ T72] ip6_route_add+0x1c/0x140 [ 1613.064939][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1613.064939][ T72] addrconf_add_dev+0xe2/0x170 [ 1613.064939][ T72] inet6_addr_add+0x12f/0xa40 [ 1613.064939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.064939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.064939][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.064939][ T72] netlink_unicast+0x449/0x710 [ 1613.064939][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.064939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.064939][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.064939][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.064939][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.064939][ T72] [ 1613.066903][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1613.066903][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1613.066903][ T72] ipv6_find_idev+0x102/0x170 [ 1613.066903][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.066903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.066903][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.066903][ T72] netlink_unicast+0x449/0x710 [ 1613.066903][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.066903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.066903][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.066903][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.066903][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.066903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.066903][ T72] [ 1613.068431][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1613.068431][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1613.068431][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1613.068431][ T72] ipv6_find_idev+0x102/0x170 [ 1613.068431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.068431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.068431][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.068431][ T72] netlink_unicast+0x449/0x710 [ 1613.068431][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.068431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.068431][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.068431][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.068431][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.068431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.068431][ T72] [ 1613.070118][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1613.070391][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1613.070391][ T72] dst_init+0x84/0x4a0 [ 1613.070391][ T72] dst_alloc+0x97/0x150 [ 1613.070391][ T72] ip6_dst_alloc+0x23/0x90 [ 1613.070391][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1613.070391][ T72] ip6_pol_route+0x56f/0x840 [ 1613.070391][ T72] fib6_rule_lookup+0x456/0x630 [ 1613.070391][ T72] ip6_route_input+0x59c/0xa50 [ 1613.070391][ T72] ipv6_rcv+0x397/0x810 [ 1613.070391][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1613.070391][ T72] process_backlog+0x101/0x620 [ 1613.070391][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1613.070391][ T72] net_rx_action+0x495/0xbe0 [ 1613.070391][ T72] __do_softirq+0x1b5/0x7f6 [ 1613.070391][ T72] [ 1613.072023][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1613.072023][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.072023][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.072023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.072023][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1613.072023][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1613.072023][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1613.072023][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1613.072023][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1613.072023][ T72] addrconf_dad_begin+0x310/0x670 [ 1613.072023][ T72] addrconf_dad_work+0x10b/0xab0 [ 1613.072023][ T72] process_one_work+0x84d/0x18a0 [ 1613.072023][ T72] worker_thread+0x587/0xd30 [ 1613.072023][ T72] kthread+0x28a/0x350 [ 1613.072023][ T72] ret_from_fork+0x31/0x70 [ 1613.072023][ T72] ret_from_fork_asm+0x1a/0x30 [ 1613.072023][ T72] [ 1613.073918][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1613.073918][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.073918][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.073918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.073918][ T72] ip6_route_add+0x1c/0x140 [ 1613.073918][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1613.073918][ T72] inet6_addr_add+0x4f8/0xa40 [ 1613.073918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.073918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.073918][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.073918][ T72] netlink_unicast+0x449/0x710 [ 1613.073918][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.073918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.073918][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.073918][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.073918][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.073918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.073918][ T72] [ 1613.075905][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1613.075905][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.075905][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.075905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.075905][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1613.075905][ T72] ipv6_add_addr+0x411/0x2000 [ 1613.075905][ T72] inet6_addr_add+0x30e/0xa40 [ 1613.075905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.075905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.075905][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.075905][ T72] netlink_unicast+0x449/0x710 [ 1613.075905][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.075905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.075905][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.075905][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.075905][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.075905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.075905][ T72] [ 1613.077888][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1613.077888][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.077888][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.077888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.077888][ T72] ip6_route_add+0x1c/0x140 [ 1613.077888][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1613.077888][ T72] addrconf_add_dev+0xe2/0x170 [ 1613.077888][ T72] inet6_addr_add+0x12f/0xa40 [ 1613.077888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.077888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.077888][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.077888][ T72] netlink_unicast+0x449/0x710 [ 1613.077888][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.077888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.077888][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.077888][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.077888][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.077888][ T72] [ 1613.079847][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1613.079847][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1613.079847][ T72] ipv6_find_idev+0x102/0x170 [ 1613.079847][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.079847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.079847][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.079847][ T72] netlink_unicast+0x449/0x710 [ 1613.079847][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.079847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.079847][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.079847][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.079847][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.079847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.079847][ T72] [ 1613.081379][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1613.081379][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1613.081379][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1613.081379][ T72] ipv6_find_idev+0x102/0x170 [ 1613.081379][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.081379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.081379][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.081379][ T72] netlink_unicast+0x449/0x710 [ 1613.081379][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.081379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.081379][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.081379][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.081379][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.081379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.081379][ T72] [ 1613.083115][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1613.083449][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1613.083449][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1613.083449][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1613.083449][ T72] fib6_nh_init+0xa22/0x1580 [ 1613.083449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.083449][ T72] ip6_route_add+0x1c/0x140 [ 1613.083449][ T72] inet6_rtm_newroute+0x104/0x110 [ 1613.083449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.083449][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.083449][ T72] netlink_unicast+0x449/0x710 [ 1613.083449][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.083449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.083449][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.083449][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.083449][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.083449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.083449][ T72] [ 1613.085553][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1613.085553][ T72] dst_init+0x84/0x4a0 [ 1613.085553][ T72] dst_alloc+0x97/0x150 [ 1613.085553][ T72] ip6_dst_alloc+0x23/0x90 [ 1613.085553][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1613.085553][ T72] ip6_pol_route+0x56f/0x840 [ 1613.085553][ T72] fib6_rule_lookup+0x456/0x630 [ 1613.085553][ T72] ip6_route_input+0x59c/0xa50 [ 1613.085553][ T72] ipv6_rcv+0x397/0x810 [ 1613.085553][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1613.085553][ T72] process_backlog+0x101/0x620 [ 1613.085553][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1613.085553][ T72] net_rx_action+0x495/0xbe0 [ 1613.085553][ T72] __do_softirq+0x1b5/0x7f6 [ 1613.085553][ T72] [ 1613.087358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1613.087358][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.087358][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.087358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.087358][ T72] ip6_route_add+0x1c/0x140 [ 1613.087358][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1613.087358][ T72] inet6_addr_add+0x4f8/0xa40 [ 1613.087358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.087358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.087358][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.087358][ T72] netlink_unicast+0x449/0x710 [ 1613.087358][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.087358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.087358][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.087358][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.087358][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.087358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.087358][ T72] [ 1613.089592][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1613.089592][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.089592][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.089592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.089592][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1613.089592][ T72] ipv6_add_addr+0x411/0x2000 [ 1613.089592][ T72] inet6_addr_add+0x30e/0xa40 [ 1613.089592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.089592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.089592][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.089592][ T72] netlink_unicast+0x449/0x710 [ 1613.089592][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.089592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.089592][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.089592][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.089592][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.089592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.089592][ T72] [ 1613.091825][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1613.091825][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.091825][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.091825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.091825][ T72] ip6_route_add+0x1c/0x140 [ 1613.091825][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1613.091825][ T72] addrconf_add_dev+0xe2/0x170 [ 1613.091825][ T72] inet6_addr_add+0x12f/0xa40 [ 1613.091825][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.091825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.091825][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.091825][ T72] netlink_unicast+0x449/0x710 [ 1613.091825][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.091825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.091825][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.091825][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.091825][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.091825][ T72] [ 1613.094074][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1613.094074][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1613.094074][ T72] ipv6_find_idev+0x102/0x170 [ 1613.094074][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.094074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.094074][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.094074][ T72] netlink_unicast+0x449/0x710 [ 1613.094074][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.094074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.094074][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.094074][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.094074][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.094074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.094074][ T72] [ 1613.095779][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1613.095779][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1613.095779][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1613.095779][ T72] ipv6_find_idev+0x102/0x170 [ 1613.095779][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.095779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.095779][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.095779][ T72] netlink_unicast+0x449/0x710 [ 1613.095779][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.095779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.095779][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.095779][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.095779][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.095779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.095779][ T72] [ 1613.098161][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1613.098432][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1613.098432][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.098432][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.098432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.098432][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1613.098432][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1613.098432][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1613.098432][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1613.098432][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1613.098432][ T72] addrconf_dad_begin+0x310/0x670 [ 1613.098432][ T72] addrconf_dad_work+0x10b/0xab0 [ 1613.098432][ T72] process_one_work+0x84d/0x18a0 [ 1613.098432][ T72] worker_thread+0x587/0xd30 [ 1613.098432][ T72] kthread+0x28a/0x350 [ 1613.098432][ T72] ret_from_fork+0x31/0x70 [ 1613.098432][ T72] ret_from_fork_asm+0x1a/0x30 [ 1613.098432][ T72] [ 1613.100574][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1613.100574][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.100574][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.100574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.100574][ T72] ip6_route_add+0x1c/0x140 [ 1613.100574][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1613.100574][ T72] inet6_addr_add+0x4f8/0xa40 [ 1613.100574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.100574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.100574][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.100574][ T72] netlink_unicast+0x449/0x710 [ 1613.100574][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.100574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.100574][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.100574][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.100574][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.100574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.100574][ T72] [ 1613.102792][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1613.102792][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.102792][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.102792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.102792][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1613.102792][ T72] ipv6_add_addr+0x411/0x2000 [ 1613.102792][ T72] inet6_addr_add+0x30e/0xa40 [ 1613.102792][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.102792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.102792][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.102792][ T72] netlink_unicast+0x449/0x710 [ 1613.102792][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.102792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.102792][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.102792][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.102792][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.102792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.102792][ T72] [ 1613.105075][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1613.105075][ T72] netdev_get_by_index+0x5e/0x80 [ 1613.105075][ T72] fib6_nh_init+0x3d8/0x1580 [ 1613.105075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1613.105075][ T72] ip6_route_add+0x1c/0x140 [ 1613.105075][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1613.105075][ T72] addrconf_add_dev+0xe2/0x170 [ 1613.105075][ T72] inet6_addr_add+0x12f/0xa40 [ 1613.105075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.105075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.105075][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.105075][ T72] netlink_unicast+0x449/0x710 [ 1613.105075][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.105075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.105075][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.105075][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.105075][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.105075][ T72] [ 1613.107263][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1613.107263][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1613.107263][ T72] ipv6_find_idev+0x102/0x170 [ 1613.107263][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.107263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.107263][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.107263][ T72] netlink_unicast+0x449/0x710 [ 1613.107263][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.107263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.107263][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.107263][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.107263][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.107263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.107263][ T72] [ 1613.108908][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1613.108908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1613.108908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1613.108908][ T72] ipv6_find_idev+0x102/0x170 [ 1613.108908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.108908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.108908][ T72] netlink_rcv_skb+0x130/0x360 [ 1613.108908][ T72] netlink_unicast+0x449/0x710 [ 1613.108908][ T72] netlink_sendmsg+0x723/0xbe0 [ 1613.108908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1613.108908][ T72] ___sys_sendmsg+0xee/0x170 [ 1613.108908][ T72] __sys_sendmsg+0xcd/0x170 [ 1613.108908][ T72] do_syscall_64+0xc6/0x1e0 [ 1613.108908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.108908][ T72] [ 1623.352912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1623.353351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1623.353351][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1623.353351][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1623.353351][ T72] fib6_nh_init+0xa22/0x1580 [ 1623.353351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.353351][ T72] ip6_route_add+0x1c/0x140 [ 1623.353351][ T72] inet6_rtm_newroute+0x104/0x110 [ 1623.353351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.353351][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.353351][ T72] netlink_unicast+0x449/0x710 [ 1623.353351][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.353351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.353351][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.353351][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.353351][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.353351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.353351][ T72] [ 1623.355248][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1623.355248][ T72] dst_init+0x84/0x4a0 [ 1623.355248][ T72] dst_alloc+0x97/0x150 [ 1623.355248][ T72] ip6_dst_alloc+0x23/0x90 [ 1623.355248][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1623.355248][ T72] ip6_pol_route+0x56f/0x840 [ 1623.355248][ T72] fib6_rule_lookup+0x456/0x630 [ 1623.355248][ T72] ip6_route_input+0x59c/0xa50 [ 1623.355248][ T72] ipv6_rcv+0x397/0x810 [ 1623.355248][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1623.355248][ T72] process_backlog+0x101/0x620 [ 1623.355248][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1623.355248][ T72] net_rx_action+0x495/0xbe0 [ 1623.355248][ T72] __do_softirq+0x1b5/0x7f6 [ 1623.355248][ T72] [ 1623.356887][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1623.356887][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.356887][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.356887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.356887][ T72] ip6_route_add+0x1c/0x140 [ 1623.356887][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1623.356887][ T72] inet6_addr_add+0x4f8/0xa40 [ 1623.356887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.356887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.356887][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.356887][ T72] netlink_unicast+0x449/0x710 [ 1623.356887][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.356887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.356887][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.356887][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.356887][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.356887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.356887][ T72] [ 1623.359259][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1623.359259][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.359259][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.359259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.359259][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1623.359259][ T72] ipv6_add_addr+0x411/0x2000 [ 1623.359259][ T72] inet6_addr_add+0x30e/0xa40 [ 1623.359259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.359259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.359259][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.359259][ T72] netlink_unicast+0x449/0x710 [ 1623.359259][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.359259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.359259][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.359259][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.359259][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.359259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.359259][ T72] [ 1623.361254][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1623.361254][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.361254][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.361254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.361254][ T72] ip6_route_add+0x1c/0x140 [ 1623.361254][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1623.361254][ T72] addrconf_add_dev+0xe2/0x170 [ 1623.361254][ T72] inet6_addr_add+0x12f/0xa40 [ 1623.361254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.361254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.361254][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.361254][ T72] netlink_unicast+0x449/0x710 [ 1623.361254][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.361254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.361254][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.361254][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.361254][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.361254][ T72] [ 1623.363203][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1623.363203][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1623.363203][ T72] ipv6_find_idev+0x102/0x170 [ 1623.363203][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.363203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.363203][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.363203][ T72] netlink_unicast+0x449/0x710 [ 1623.363203][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.363203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.363203][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.363203][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.363203][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.363203][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.363203][ T72] [ 1623.364748][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1623.364748][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1623.364748][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1623.364748][ T72] ipv6_find_idev+0x102/0x170 [ 1623.364748][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.364748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.364748][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.364748][ T72] netlink_unicast+0x449/0x710 [ 1623.364748][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.364748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.364748][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.364748][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.364748][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.364748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.364748][ T72] [ 1623.366427][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1623.366703][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1623.366703][ T72] dst_init+0x84/0x4a0 [ 1623.366703][ T72] dst_alloc+0x97/0x150 [ 1623.366703][ T72] ip6_dst_alloc+0x23/0x90 [ 1623.366703][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1623.366703][ T72] ip6_pol_route+0x56f/0x840 [ 1623.366703][ T72] fib6_rule_lookup+0x456/0x630 [ 1623.366703][ T72] ip6_route_input+0x59c/0xa50 [ 1623.366703][ T72] ipv6_rcv+0x397/0x810 [ 1623.366703][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1623.366703][ T72] process_backlog+0x101/0x620 [ 1623.366703][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1623.366703][ T72] net_rx_action+0x495/0xbe0 [ 1623.366703][ T72] __do_softirq+0x1b5/0x7f6 [ 1623.366703][ T72] [ 1623.368340][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1623.368340][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.368340][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.368340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.368340][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1623.368340][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1623.368340][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1623.368340][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1623.368340][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1623.368340][ T72] addrconf_dad_begin+0x310/0x670 [ 1623.368340][ T72] addrconf_dad_work+0x10b/0xab0 [ 1623.368340][ T72] process_one_work+0x84d/0x18a0 [ 1623.368340][ T72] worker_thread+0x587/0xd30 [ 1623.368340][ T72] kthread+0x28a/0x350 [ 1623.368340][ T72] ret_from_fork+0x31/0x70 [ 1623.368340][ T72] ret_from_fork_asm+0x1a/0x30 [ 1623.368340][ T72] [ 1623.370235][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1623.370235][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.370235][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.370235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.370235][ T72] ip6_route_add+0x1c/0x140 [ 1623.370235][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1623.370235][ T72] inet6_addr_add+0x4f8/0xa40 [ 1623.370235][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.370235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.370235][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.370235][ T72] netlink_unicast+0x449/0x710 [ 1623.370235][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.370235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.370235][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.370235][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.370235][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.370235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.370235][ T72] [ 1623.372217][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1623.372217][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.372217][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.372217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.372217][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1623.372217][ T72] ipv6_add_addr+0x411/0x2000 [ 1623.372217][ T72] inet6_addr_add+0x30e/0xa40 [ 1623.372217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.372217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.372217][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.372217][ T72] netlink_unicast+0x449/0x710 [ 1623.372217][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.372217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.372217][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.372217][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.372217][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.372217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.372217][ T72] [ 1623.374193][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1623.374193][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.374193][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.374193][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.374193][ T72] ip6_route_add+0x1c/0x140 [ 1623.374193][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1623.374193][ T72] addrconf_add_dev+0xe2/0x170 [ 1623.374193][ T72] inet6_addr_add+0x12f/0xa40 [ 1623.374193][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.374193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.374193][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.374193][ T72] netlink_unicast+0x449/0x710 [ 1623.374193][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.374193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.374193][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.374193][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.374193][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.374193][ T72] [ 1623.376137][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1623.376137][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1623.376137][ T72] ipv6_find_idev+0x102/0x170 [ 1623.376137][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.376137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.376137][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.376137][ T72] netlink_unicast+0x449/0x710 [ 1623.376137][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.376137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.376137][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.376137][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.376137][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.376137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.376137][ T72] [ 1623.377667][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1623.377667][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1623.377667][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1623.377667][ T72] ipv6_find_idev+0x102/0x170 [ 1623.377667][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.377667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.377667][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.377667][ T72] netlink_unicast+0x449/0x710 [ 1623.377667][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.377667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.377667][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.377667][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.377667][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.377667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.377667][ T72] [ 1623.379402][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1623.379737][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1623.379737][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1623.379737][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1623.379737][ T72] fib6_nh_init+0xa22/0x1580 [ 1623.379737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.379737][ T72] ip6_route_add+0x1c/0x140 [ 1623.379737][ T72] inet6_rtm_newroute+0x104/0x110 [ 1623.379737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.379737][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.379737][ T72] netlink_unicast+0x449/0x710 [ 1623.379737][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.379737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.379737][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.379737][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.379737][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.379737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.379737][ T72] [ 1623.381768][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1623.381768][ T72] dst_init+0x84/0x4a0 [ 1623.381768][ T72] dst_alloc+0x97/0x150 [ 1623.381768][ T72] ip6_dst_alloc+0x23/0x90 [ 1623.381768][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1623.381768][ T72] ip6_pol_route+0x56f/0x840 [ 1623.381768][ T72] fib6_rule_lookup+0x456/0x630 [ 1623.381768][ T72] ip6_route_input+0x59c/0xa50 [ 1623.381768][ T72] ipv6_rcv+0x397/0x810 [ 1623.381768][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1623.381768][ T72] process_backlog+0x101/0x620 [ 1623.381768][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1623.381768][ T72] net_rx_action+0x495/0xbe0 [ 1623.381768][ T72] __do_softirq+0x1b5/0x7f6 [ 1623.381768][ T72] [ 1623.383576][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1623.383576][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.383576][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.383576][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.383576][ T72] ip6_route_add+0x1c/0x140 [ 1623.383576][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1623.383576][ T72] inet6_addr_add+0x4f8/0xa40 [ 1623.383576][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.383576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.383576][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.383576][ T72] netlink_unicast+0x449/0x710 [ 1623.383576][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.383576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.383576][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.383576][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.383576][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.383576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.383576][ T72] [ 1623.385797][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1623.385797][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.385797][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.385797][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.385797][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1623.385797][ T72] ipv6_add_addr+0x411/0x2000 [ 1623.385797][ T72] inet6_addr_add+0x30e/0xa40 [ 1623.385797][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.385797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.385797][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.385797][ T72] netlink_unicast+0x449/0x710 [ 1623.385797][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.385797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.385797][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.385797][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.385797][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.385797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.385797][ T72] [ 1623.388022][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1623.388022][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.388022][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.388022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.388022][ T72] ip6_route_add+0x1c/0x140 [ 1623.388022][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1623.388022][ T72] addrconf_add_dev+0xe2/0x170 [ 1623.388022][ T72] inet6_addr_add+0x12f/0xa40 [ 1623.388022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.388022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.388022][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.388022][ T72] netlink_unicast+0x449/0x710 [ 1623.388022][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.388022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.388022][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.388022][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.388022][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.388022][ T72] [ 1623.390275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1623.390275][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1623.390275][ T72] ipv6_find_idev+0x102/0x170 [ 1623.390275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.390275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.390275][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.390275][ T72] netlink_unicast+0x449/0x710 [ 1623.390275][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.390275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.390275][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.390275][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.390275][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.390275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.390275][ T72] [ 1623.391981][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1623.391981][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1623.391981][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1623.391981][ T72] ipv6_find_idev+0x102/0x170 [ 1623.391981][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.391981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.391981][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.391981][ T72] netlink_unicast+0x449/0x710 [ 1623.391981][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.391981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.391981][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.391981][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.391981][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.391981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.391981][ T72] [ 1623.393834][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1623.394110][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1623.394110][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.394110][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.394110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.394110][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1623.394110][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1623.394110][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1623.394110][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1623.394110][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1623.394110][ T72] addrconf_dad_begin+0x310/0x670 [ 1623.394110][ T72] addrconf_dad_work+0x10b/0xab0 [ 1623.394110][ T72] process_one_work+0x84d/0x18a0 [ 1623.394110][ T72] worker_thread+0x587/0xd30 [ 1623.394110][ T72] kthread+0x28a/0x350 [ 1623.394110][ T72] ret_from_fork+0x31/0x70 [ 1623.394110][ T72] ret_from_fork_asm+0x1a/0x30 [ 1623.394110][ T72] [ 1623.396247][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1623.396247][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.396247][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.396247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.396247][ T72] ip6_route_add+0x1c/0x140 [ 1623.396247][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1623.396247][ T72] inet6_addr_add+0x4f8/0xa40 [ 1623.396247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.396247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.396247][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.396247][ T72] netlink_unicast+0x449/0x710 [ 1623.396247][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.396247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.396247][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.396247][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.396247][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.396247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.396247][ T72] [ 1623.398477][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1623.398477][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.398477][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.398477][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.398477][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1623.398477][ T72] ipv6_add_addr+0x411/0x2000 [ 1623.398477][ T72] inet6_addr_add+0x30e/0xa40 [ 1623.398477][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.398477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.398477][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.398477][ T72] netlink_unicast+0x449/0x710 [ 1623.398477][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.398477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.398477][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.398477][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.398477][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.398477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.398477][ T72] [ 1623.400794][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1623.400794][ T72] netdev_get_by_index+0x5e/0x80 [ 1623.400794][ T72] fib6_nh_init+0x3d8/0x1580 [ 1623.400794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1623.400794][ T72] ip6_route_add+0x1c/0x140 [ 1623.400794][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1623.400794][ T72] addrconf_add_dev+0xe2/0x170 [ 1623.400794][ T72] inet6_addr_add+0x12f/0xa40 [ 1623.400794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.400794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.400794][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.400794][ T72] netlink_unicast+0x449/0x710 [ 1623.400794][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.400794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.400794][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.400794][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.400794][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.400794][ T72] [ 1623.402984][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1623.402984][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1623.402984][ T72] ipv6_find_idev+0x102/0x170 [ 1623.402984][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.402984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.402984][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.402984][ T72] netlink_unicast+0x449/0x710 [ 1623.402984][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.402984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.402984][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.402984][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.402984][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.402984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.402984][ T72] [ 1623.404633][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1623.404633][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1623.404633][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1623.404633][ T72] ipv6_find_idev+0x102/0x170 [ 1623.404633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.404633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.404633][ T72] netlink_rcv_skb+0x130/0x360 [ 1623.404633][ T72] netlink_unicast+0x449/0x710 [ 1623.404633][ T72] netlink_sendmsg+0x723/0xbe0 [ 1623.404633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1623.404633][ T72] ___sys_sendmsg+0xee/0x170 [ 1623.404633][ T72] __sys_sendmsg+0xcd/0x170 [ 1623.404633][ T72] do_syscall_64+0xc6/0x1e0 [ 1623.404633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.404633][ T72] [ 1633.520905][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1633.521423][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1633.521423][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1633.521423][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1633.521423][ T72] fib6_nh_init+0xa22/0x1580 [ 1633.521423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.521423][ T72] ip6_route_add+0x1c/0x140 [ 1633.521423][ T72] inet6_rtm_newroute+0x104/0x110 [ 1633.521423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.521423][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.521423][ T72] netlink_unicast+0x449/0x710 [ 1633.521423][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.521423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.521423][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.521423][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.521423][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.521423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.521423][ T72] [ 1633.523340][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1633.523340][ T72] dst_init+0x84/0x4a0 [ 1633.523340][ T72] dst_alloc+0x97/0x150 [ 1633.523340][ T72] ip6_dst_alloc+0x23/0x90 [ 1633.523340][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1633.523340][ T72] ip6_pol_route+0x56f/0x840 [ 1633.523340][ T72] fib6_rule_lookup+0x456/0x630 [ 1633.523340][ T72] ip6_route_input+0x59c/0xa50 [ 1633.523340][ T72] ipv6_rcv+0x397/0x810 [ 1633.523340][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1633.523340][ T72] process_backlog+0x101/0x620 [ 1633.523340][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1633.523340][ T72] net_rx_action+0x495/0xbe0 [ 1633.523340][ T72] __do_softirq+0x1b5/0x7f6 [ 1633.523340][ T72] [ 1633.524991][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1633.524991][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.524991][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.524991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.524991][ T72] ip6_route_add+0x1c/0x140 [ 1633.524991][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1633.524991][ T72] inet6_addr_add+0x4f8/0xa40 [ 1633.524991][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.524991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.524991][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.524991][ T72] netlink_unicast+0x449/0x710 [ 1633.524991][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.524991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.524991][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.524991][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.524991][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.524991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.524991][ T72] [ 1633.527000][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1633.527000][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.527000][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.527000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.527000][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1633.527000][ T72] ipv6_add_addr+0x411/0x2000 [ 1633.527000][ T72] inet6_addr_add+0x30e/0xa40 [ 1633.527000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.527000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.527000][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.527000][ T72] netlink_unicast+0x449/0x710 [ 1633.527000][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.527000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.527000][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.527000][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.527000][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.527000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.527000][ T72] [ 1633.529009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1633.529009][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.529009][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.529009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.529009][ T72] ip6_route_add+0x1c/0x140 [ 1633.529009][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1633.529009][ T72] addrconf_add_dev+0xe2/0x170 [ 1633.529009][ T72] inet6_addr_add+0x12f/0xa40 [ 1633.529009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.529009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.529009][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.529009][ T72] netlink_unicast+0x449/0x710 [ 1633.529009][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.529009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.529009][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.529009][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.529009][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.529009][ T72] [ 1633.530990][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1633.530990][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1633.530990][ T72] ipv6_find_idev+0x102/0x170 [ 1633.530990][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.530990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.530990][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.530990][ T72] netlink_unicast+0x449/0x710 [ 1633.530990][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.530990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.530990][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.530990][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.530990][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.530990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.530990][ T72] [ 1633.532529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1633.532529][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1633.532529][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1633.532529][ T72] ipv6_find_idev+0x102/0x170 [ 1633.532529][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.532529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.532529][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.532529][ T72] netlink_unicast+0x449/0x710 [ 1633.532529][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.532529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.532529][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.532529][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.532529][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.532529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.532529][ T72] [ 1633.534231][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1633.534510][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1633.534510][ T72] dst_init+0x84/0x4a0 [ 1633.534510][ T72] dst_alloc+0x97/0x150 [ 1633.534510][ T72] ip6_dst_alloc+0x23/0x90 [ 1633.534510][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1633.534510][ T72] ip6_pol_route+0x56f/0x840 [ 1633.534510][ T72] fib6_rule_lookup+0x456/0x630 [ 1633.534510][ T72] ip6_route_input+0x59c/0xa50 [ 1633.534510][ T72] ipv6_rcv+0x397/0x810 [ 1633.534510][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1633.534510][ T72] process_backlog+0x101/0x620 [ 1633.534510][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1633.534510][ T72] net_rx_action+0x495/0xbe0 [ 1633.534510][ T72] __do_softirq+0x1b5/0x7f6 [ 1633.534510][ T72] [ 1633.536152][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1633.536152][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.536152][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.536152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.536152][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1633.536152][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1633.536152][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1633.536152][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1633.536152][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1633.536152][ T72] addrconf_dad_begin+0x310/0x670 [ 1633.536152][ T72] addrconf_dad_work+0x10b/0xab0 [ 1633.536152][ T72] process_one_work+0x84d/0x18a0 [ 1633.536152][ T72] worker_thread+0x587/0xd30 [ 1633.536152][ T72] kthread+0x28a/0x350 [ 1633.536152][ T72] ret_from_fork+0x31/0x70 [ 1633.536152][ T72] ret_from_fork_asm+0x1a/0x30 [ 1633.536152][ T72] [ 1633.538063][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1633.538063][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.538063][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.538063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.538063][ T72] ip6_route_add+0x1c/0x140 [ 1633.538063][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1633.538063][ T72] inet6_addr_add+0x4f8/0xa40 [ 1633.538063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.538063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.538063][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.538063][ T72] netlink_unicast+0x449/0x710 [ 1633.538063][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.538063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.538063][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.538063][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.538063][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.538063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.538063][ T72] [ 1633.540077][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1633.540077][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.540077][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.540077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.540077][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1633.540077][ T72] ipv6_add_addr+0x411/0x2000 [ 1633.540077][ T72] inet6_addr_add+0x30e/0xa40 [ 1633.540077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.540077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.540077][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.540077][ T72] netlink_unicast+0x449/0x710 [ 1633.540077][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.540077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.540077][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.540077][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.540077][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.540077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.540077][ T72] [ 1633.542085][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1633.542085][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.542085][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.542085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.542085][ T72] ip6_route_add+0x1c/0x140 [ 1633.542085][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1633.542085][ T72] addrconf_add_dev+0xe2/0x170 [ 1633.542085][ T72] inet6_addr_add+0x12f/0xa40 [ 1633.542085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.542085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.542085][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.542085][ T72] netlink_unicast+0x449/0x710 [ 1633.542085][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.542085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.542085][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.542085][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.542085][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.542085][ T72] [ 1633.544046][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1633.544046][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1633.544046][ T72] ipv6_find_idev+0x102/0x170 [ 1633.544046][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.544046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.544046][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.544046][ T72] netlink_unicast+0x449/0x710 [ 1633.544046][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.544046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.544046][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.544046][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.544046][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.544046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.544046][ T72] [ 1633.545586][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1633.545586][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1633.545586][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1633.545586][ T72] ipv6_find_idev+0x102/0x170 [ 1633.545586][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.545586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.545586][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.545586][ T72] netlink_unicast+0x449/0x710 [ 1633.545586][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.545586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.545586][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.545586][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.545586][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.545586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.545586][ T72] [ 1633.547403][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1633.547675][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1633.547675][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1633.547675][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1633.547675][ T72] fib6_nh_init+0xa22/0x1580 [ 1633.547675][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.547675][ T72] ip6_route_add+0x1c/0x140 [ 1633.547675][ T72] inet6_rtm_newroute+0x104/0x110 [ 1633.547675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.547675][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.547675][ T72] netlink_unicast+0x449/0x710 [ 1633.547675][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.547675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.547675][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.547675][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.547675][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.547675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.547675][ T72] [ 1633.549859][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1633.549859][ T72] dst_init+0x84/0x4a0 [ 1633.549859][ T72] dst_alloc+0x97/0x150 [ 1633.549859][ T72] ip6_dst_alloc+0x23/0x90 [ 1633.549859][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1633.549859][ T72] ip6_pol_route+0x56f/0x840 [ 1633.549859][ T72] fib6_rule_lookup+0x456/0x630 [ 1633.549859][ T72] ip6_route_input+0x59c/0xa50 [ 1633.549859][ T72] ipv6_rcv+0x397/0x810 [ 1633.549859][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1633.549859][ T72] process_backlog+0x101/0x620 [ 1633.549859][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1633.549859][ T72] net_rx_action+0x495/0xbe0 [ 1633.549859][ T72] __do_softirq+0x1b5/0x7f6 [ 1633.549859][ T72] [ 1633.551687][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1633.551687][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.551687][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.551687][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.551687][ T72] ip6_route_add+0x1c/0x140 [ 1633.551687][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1633.551687][ T72] inet6_addr_add+0x4f8/0xa40 [ 1633.551687][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.551687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.551687][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.551687][ T72] netlink_unicast+0x449/0x710 [ 1633.551687][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.551687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.551687][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.551687][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.551687][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.551687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.551687][ T72] [ 1633.553932][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1633.553932][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.553932][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.553932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.553932][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1633.553932][ T72] ipv6_add_addr+0x411/0x2000 [ 1633.553932][ T72] inet6_addr_add+0x30e/0xa40 [ 1633.553932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.553932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.553932][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.553932][ T72] netlink_unicast+0x449/0x710 [ 1633.553932][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.553932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.553932][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.553932][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.553932][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.553932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.553932][ T72] [ 1633.556118][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1633.556118][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.556118][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.556118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.556118][ T72] ip6_route_add+0x1c/0x140 [ 1633.556118][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1633.556118][ T72] addrconf_add_dev+0xe2/0x170 [ 1633.556118][ T72] inet6_addr_add+0x12f/0xa40 [ 1633.556118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.556118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.556118][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.556118][ T72] netlink_unicast+0x449/0x710 [ 1633.556118][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.556118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.556118][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.556118][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.556118][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.556118][ T72] [ 1633.558393][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1633.558393][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1633.558393][ T72] ipv6_find_idev+0x102/0x170 [ 1633.558393][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.558393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.558393][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.558393][ T72] netlink_unicast+0x449/0x710 [ 1633.558393][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.558393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.558393][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.558393][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.558393][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.558393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.558393][ T72] [ 1633.560119][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1633.560119][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1633.560119][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1633.560119][ T72] ipv6_find_idev+0x102/0x170 [ 1633.560119][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.560119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.560119][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.560119][ T72] netlink_unicast+0x449/0x710 [ 1633.560119][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.560119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.560119][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.560119][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.560119][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.560119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.560119][ T72] [ 1633.561990][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1633.562332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1633.562332][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.562332][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.562332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.562332][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1633.562332][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1633.562332][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1633.562332][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1633.562332][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1633.562332][ T72] addrconf_dad_begin+0x310/0x670 [ 1633.562332][ T72] addrconf_dad_work+0x10b/0xab0 [ 1633.562332][ T72] process_one_work+0x84d/0x18a0 [ 1633.562332][ T72] worker_thread+0x587/0xd30 [ 1633.562332][ T72] kthread+0x28a/0x350 [ 1633.562332][ T72] ret_from_fork+0x31/0x70 [ 1633.562332][ T72] ret_from_fork_asm+0x1a/0x30 [ 1633.562332][ T72] [ 1633.564362][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1633.564362][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.564362][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.564362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.564362][ T72] ip6_route_add+0x1c/0x140 [ 1633.564362][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1633.564362][ T72] inet6_addr_add+0x4f8/0xa40 [ 1633.564362][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.564362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.564362][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.564362][ T72] netlink_unicast+0x449/0x710 [ 1633.564362][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.564362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.564362][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.564362][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.564362][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.564362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.564362][ T72] [ 1633.566612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1633.566612][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.566612][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.566612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.566612][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1633.566612][ T72] ipv6_add_addr+0x411/0x2000 [ 1633.566612][ T72] inet6_addr_add+0x30e/0xa40 [ 1633.566612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.566612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.566612][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.566612][ T72] netlink_unicast+0x449/0x710 [ 1633.566612][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.566612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.566612][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.566612][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.566612][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.566612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.566612][ T72] [ 1633.568918][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1633.568918][ T72] netdev_get_by_index+0x5e/0x80 [ 1633.568918][ T72] fib6_nh_init+0x3d8/0x1580 [ 1633.568918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1633.568918][ T72] ip6_route_add+0x1c/0x140 [ 1633.568918][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1633.568918][ T72] addrconf_add_dev+0xe2/0x170 [ 1633.568918][ T72] inet6_addr_add+0x12f/0xa40 [ 1633.568918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.568918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.568918][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.568918][ T72] netlink_unicast+0x449/0x710 [ 1633.568918][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.568918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.568918][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.568918][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.568918][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.568918][ T72] [ 1633.571137][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1633.571137][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1633.571137][ T72] ipv6_find_idev+0x102/0x170 [ 1633.571137][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.571137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.571137][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.571137][ T72] netlink_unicast+0x449/0x710 [ 1633.571137][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.571137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.571137][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.571137][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.571137][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.571137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.571137][ T72] [ 1633.572858][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1633.572858][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1633.572858][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1633.572858][ T72] ipv6_find_idev+0x102/0x170 [ 1633.572858][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.572858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.572858][ T72] netlink_rcv_skb+0x130/0x360 [ 1633.572858][ T72] netlink_unicast+0x449/0x710 [ 1633.572858][ T72] netlink_sendmsg+0x723/0xbe0 [ 1633.572858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1633.572858][ T72] ___sys_sendmsg+0xee/0x170 [ 1633.572858][ T72] __sys_sendmsg+0xcd/0x170 [ 1633.572858][ T72] do_syscall_64+0xc6/0x1e0 [ 1633.572858][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.572858][ T72] [ 1643.816975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1643.817491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1643.817491][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1643.817491][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1643.817491][ T72] fib6_nh_init+0xa22/0x1580 [ 1643.817491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.817491][ T72] ip6_route_add+0x1c/0x140 [ 1643.817491][ T72] inet6_rtm_newroute+0x104/0x110 [ 1643.817491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.817491][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.817491][ T72] netlink_unicast+0x449/0x710 [ 1643.817491][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.817491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.817491][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.817491][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.817491][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.817491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.817491][ T72] [ 1643.819429][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1643.819429][ T72] dst_init+0x84/0x4a0 [ 1643.819429][ T72] dst_alloc+0x97/0x150 [ 1643.819429][ T72] ip6_dst_alloc+0x23/0x90 [ 1643.819429][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1643.819429][ T72] ip6_pol_route+0x56f/0x840 [ 1643.819429][ T72] fib6_rule_lookup+0x456/0x630 [ 1643.819429][ T72] ip6_route_input+0x59c/0xa50 [ 1643.819429][ T72] ipv6_rcv+0x397/0x810 [ 1643.819429][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1643.819429][ T72] process_backlog+0x101/0x620 [ 1643.819429][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1643.819429][ T72] net_rx_action+0x495/0xbe0 [ 1643.819429][ T72] __do_softirq+0x1b5/0x7f6 [ 1643.819429][ T72] [ 1643.821090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1643.821090][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.821090][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.821090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.821090][ T72] ip6_route_add+0x1c/0x140 [ 1643.821090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1643.821090][ T72] inet6_addr_add+0x4f8/0xa40 [ 1643.821090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.821090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.821090][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.821090][ T72] netlink_unicast+0x449/0x710 [ 1643.821090][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.821090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.821090][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.821090][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.821090][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.821090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.821090][ T72] [ 1643.823102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1643.823102][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.823102][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.823102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.823102][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1643.823102][ T72] ipv6_add_addr+0x411/0x2000 [ 1643.823102][ T72] inet6_addr_add+0x30e/0xa40 [ 1643.823102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.823102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.823102][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.823102][ T72] netlink_unicast+0x449/0x710 [ 1643.823102][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.823102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.823102][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.823102][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.823102][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.823102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.823102][ T72] [ 1643.825104][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1643.825104][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.825104][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.825104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.825104][ T72] ip6_route_add+0x1c/0x140 [ 1643.825104][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1643.825104][ T72] addrconf_add_dev+0xe2/0x170 [ 1643.825104][ T72] inet6_addr_add+0x12f/0xa40 [ 1643.825104][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.825104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.825104][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.825104][ T72] netlink_unicast+0x449/0x710 [ 1643.825104][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.825104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.825104][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.825104][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.825104][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.825104][ T72] [ 1643.827078][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1643.827078][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1643.827078][ T72] ipv6_find_idev+0x102/0x170 [ 1643.827078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1643.827078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.827078][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.827078][ T72] netlink_unicast+0x449/0x710 [ 1643.827078][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.827078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.827078][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.827078][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.827078][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.827078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.827078][ T72] [ 1643.828618][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1643.828618][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1643.828618][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1643.828618][ T72] ipv6_find_idev+0x102/0x170 [ 1643.828618][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1643.828618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.828618][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.828618][ T72] netlink_unicast+0x449/0x710 [ 1643.828618][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.828618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.828618][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.828618][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.828618][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.828618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.828618][ T72] [ 1643.830327][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1643.830600][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1643.830600][ T72] dst_init+0x84/0x4a0 [ 1643.830600][ T72] dst_alloc+0x97/0x150 [ 1643.830600][ T72] ip6_dst_alloc+0x23/0x90 [ 1643.830600][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1643.830600][ T72] ip6_pol_route+0x56f/0x840 [ 1643.830600][ T72] fib6_rule_lookup+0x456/0x630 [ 1643.830600][ T72] ip6_route_input+0x59c/0xa50 [ 1643.830600][ T72] ipv6_rcv+0x397/0x810 [ 1643.830600][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1643.830600][ T72] process_backlog+0x101/0x620 [ 1643.830600][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1643.830600][ T72] net_rx_action+0x495/0xbe0 [ 1643.830600][ T72] __do_softirq+0x1b5/0x7f6 [ 1643.830600][ T72] [ 1643.832263][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1643.832263][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.832263][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.832263][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.832263][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1643.832263][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1643.832263][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1643.832263][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1643.832263][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1643.832263][ T72] addrconf_dad_begin+0x310/0x670 [ 1643.832263][ T72] addrconf_dad_work+0x10b/0xab0 [ 1643.832263][ T72] process_one_work+0x84d/0x18a0 [ 1643.832263][ T72] worker_thread+0x587/0xd30 [ 1643.832263][ T72] kthread+0x28a/0x350 [ 1643.832263][ T72] ret_from_fork+0x31/0x70 [ 1643.832263][ T72] ret_from_fork_asm+0x1a/0x30 [ 1643.832263][ T72] [ 1643.834168][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1643.834168][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.834168][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.834168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.834168][ T72] ip6_route_add+0x1c/0x140 [ 1643.834168][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1643.834168][ T72] inet6_addr_add+0x4f8/0xa40 [ 1643.834168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.834168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.834168][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.834168][ T72] netlink_unicast+0x449/0x710 [ 1643.834168][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.834168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.834168][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.834168][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.834168][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.834168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.834168][ T72] [ 1643.836169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1643.836169][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.836169][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.836169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.836169][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1643.836169][ T72] ipv6_add_addr+0x411/0x2000 [ 1643.836169][ T72] inet6_addr_add+0x30e/0xa40 [ 1643.836169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.836169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.836169][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.836169][ T72] netlink_unicast+0x449/0x710 [ 1643.836169][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.836169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.836169][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.836169][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.836169][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.836169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.836169][ T72] [ 1643.838169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1643.838169][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.838169][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.838169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.838169][ T72] ip6_route_add+0x1c/0x140 [ 1643.838169][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1643.838169][ T72] addrconf_add_dev+0xe2/0x170 [ 1643.838169][ T72] inet6_addr_add+0x12f/0xa40 [ 1643.838169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.838169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.838169][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.838169][ T72] netlink_unicast+0x449/0x710 [ 1643.838169][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.838169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.838169][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.838169][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.838169][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.838169][ T72] [ 1643.840143][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1643.840143][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1643.840143][ T72] ipv6_find_idev+0x102/0x170 [ 1643.840143][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1643.840143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.840143][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.840143][ T72] netlink_unicast+0x449/0x710 [ 1643.840143][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.840143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.840143][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.840143][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.840143][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.840143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.840143][ T72] [ 1643.841685][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1643.841685][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1643.841685][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1643.841685][ T72] ipv6_find_idev+0x102/0x170 [ 1643.841685][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1643.841685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.841685][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.841685][ T72] netlink_unicast+0x449/0x710 [ 1643.841685][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.841685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.841685][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.841685][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.841685][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.841685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.841685][ T72] [ 1643.843500][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1643.843782][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1643.843782][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1643.843782][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1643.843782][ T72] fib6_nh_init+0xa22/0x1580 [ 1643.843782][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.843782][ T72] ip6_route_add+0x1c/0x140 [ 1643.843782][ T72] inet6_rtm_newroute+0x104/0x110 [ 1643.843782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.843782][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.843782][ T72] netlink_unicast+0x449/0x710 [ 1643.843782][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.843782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.843782][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.843782][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.843782][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.843782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.843782][ T72] [ 1643.845972][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1643.845972][ T72] dst_init+0x84/0x4a0 [ 1643.845972][ T72] dst_alloc+0x97/0x150 [ 1643.845972][ T72] ip6_dst_alloc+0x23/0x90 [ 1643.845972][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1643.845972][ T72] ip6_pol_route+0x56f/0x840 [ 1643.845972][ T72] fib6_rule_lookup+0x456/0x630 [ 1643.845972][ T72] ip6_route_input+0x59c/0xa50 [ 1643.845972][ T72] ipv6_rcv+0x397/0x810 [ 1643.845972][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1643.845972][ T72] process_backlog+0x101/0x620 [ 1643.845972][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1643.845972][ T72] net_rx_action+0x495/0xbe0 [ 1643.845972][ T72] __do_softirq+0x1b5/0x7f6 [ 1643.845972][ T72] [ 1643.847794][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1643.847794][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.847794][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.847794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.847794][ T72] ip6_route_add+0x1c/0x140 [ 1643.847794][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1643.847794][ T72] inet6_addr_add+0x4f8/0xa40 [ 1643.847794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.847794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.847794][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.847794][ T72] netlink_unicast+0x449/0x710 [ 1643.847794][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.847794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.847794][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.847794][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.847794][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.847794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.847794][ T72] [ 1643.850099][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1643.850099][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.850099][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.850099][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.850099][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1643.850099][ T72] ipv6_add_addr+0x411/0x2000 [ 1643.850099][ T72] inet6_addr_add+0x30e/0xa40 [ 1643.850099][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.850099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.850099][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.850099][ T72] netlink_unicast+0x449/0x710 [ 1643.850099][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.850099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.850099][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.850099][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.850099][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.850099][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.850099][ T72] [ 1643.852481][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1643.852481][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.852481][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.852481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.852481][ T72] ip6_route_add+0x1c/0x140 [ 1643.852481][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1643.852481][ T72] addrconf_add_dev+0xe2/0x170 [ 1643.852481][ T72] inet6_addr_add+0x12f/0xa40 [ 1643.852481][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.852481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.852481][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.852481][ T72] netlink_unicast+0x449/0x710 [ 1643.852481][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.852481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.852481][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.852481][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.852481][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.852481][ T72] [ 1643.854956][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1643.854956][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1643.854956][ T72] ipv6_find_idev+0x102/0x170 [ 1643.854956][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1643.854956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.854956][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.854956][ T72] netlink_unicast+0x449/0x710 [ 1643.854956][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.854956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.854956][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.854956][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.854956][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.854956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.854956][ T72] [ 1643.856834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1643.856834][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1643.856834][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1643.856834][ T72] ipv6_find_idev+0x102/0x170 [ 1643.856834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1643.856834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.856834][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.856834][ T72] netlink_unicast+0x449/0x710 [ 1643.856834][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.856834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.856834][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.856834][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.856834][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.856834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.856834][ T72] [ 1643.858779][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1643.859563][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1643.859563][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.859563][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.859563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.859563][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1643.859563][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1643.859563][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1643.859563][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1643.859563][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1643.859563][ T72] addrconf_dad_begin+0x310/0x670 [ 1643.859563][ T72] addrconf_dad_work+0x10b/0xab0 [ 1643.859563][ T72] process_one_work+0x84d/0x18a0 [ 1643.859563][ T72] worker_thread+0x587/0xd30 [ 1643.859563][ T72] kthread+0x28a/0x350 [ 1643.859563][ T72] ret_from_fork+0x31/0x70 [ 1643.859563][ T72] ret_from_fork_asm+0x1a/0x30 [ 1643.859563][ T72] [ 1643.861501][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1643.861501][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.861501][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.861501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.861501][ T72] ip6_route_add+0x1c/0x140 [ 1643.861501][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1643.861501][ T72] inet6_addr_add+0x4f8/0xa40 [ 1643.861501][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.861501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.861501][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.861501][ T72] netlink_unicast+0x449/0x710 [ 1643.861501][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.861501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.861501][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.861501][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.861501][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.861501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.861501][ T72] [ 1643.863509][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1643.863509][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.863509][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.863509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.863509][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1643.863509][ T72] ipv6_add_addr+0x411/0x2000 [ 1643.863509][ T72] inet6_addr_add+0x30e/0xa40 [ 1643.863509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.863509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.863509][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.863509][ T72] netlink_unicast+0x449/0x710 [ 1643.863509][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.863509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.863509][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.863509][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.863509][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.863509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.863509][ T72] [ 1643.865759][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1643.865759][ T72] netdev_get_by_index+0x5e/0x80 [ 1643.865759][ T72] fib6_nh_init+0x3d8/0x1580 [ 1643.865759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1643.865759][ T72] ip6_route_add+0x1c/0x140 [ 1643.865759][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1643.865759][ T72] addrconf_add_dev+0xe2/0x170 [ 1643.865759][ T72] inet6_addr_add+0x12f/0xa40 [ 1643.865759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1643.865759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.865759][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.865759][ T72] netlink_unicast+0x449/0x710 [ 1643.865759][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.865759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.865759][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.865759][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.865759][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.865759][ T72] [ 1643.868106][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1643.868106][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1643.868106][ T72] ipv6_find_idev+0x102/0x170 [ 1643.868106][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1643.868106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.868106][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.868106][ T72] netlink_unicast+0x449/0x710 [ 1643.868106][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.868106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.868106][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.868106][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.868106][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.868106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.868106][ T72] [ 1643.869840][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1643.869840][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1643.869840][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1643.869840][ T72] ipv6_find_idev+0x102/0x170 [ 1643.869840][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1643.869840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1643.869840][ T72] netlink_rcv_skb+0x130/0x360 [ 1643.869840][ T72] netlink_unicast+0x449/0x710 [ 1643.869840][ T72] netlink_sendmsg+0x723/0xbe0 [ 1643.869840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1643.869840][ T72] ___sys_sendmsg+0xee/0x170 [ 1643.869840][ T72] __sys_sendmsg+0xcd/0x170 [ 1643.869840][ T72] do_syscall_64+0xc6/0x1e0 [ 1643.869840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1643.869840][ T72] [ 1654.112918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1654.113413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1654.113413][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1654.113413][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1654.113413][ T72] fib6_nh_init+0xa22/0x1580 [ 1654.113413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.113413][ T72] ip6_route_add+0x1c/0x140 [ 1654.113413][ T72] inet6_rtm_newroute+0x104/0x110 [ 1654.113413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.113413][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.113413][ T72] netlink_unicast+0x449/0x710 [ 1654.113413][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.113413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.113413][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.113413][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.113413][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.113413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.113413][ T72] [ 1654.115303][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1654.115303][ T72] dst_init+0x84/0x4a0 [ 1654.115303][ T72] dst_alloc+0x97/0x150 [ 1654.115303][ T72] ip6_dst_alloc+0x23/0x90 [ 1654.115303][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1654.115303][ T72] ip6_pol_route+0x56f/0x840 [ 1654.115303][ T72] fib6_rule_lookup+0x456/0x630 [ 1654.115303][ T72] ip6_route_input+0x59c/0xa50 [ 1654.115303][ T72] ipv6_rcv+0x397/0x810 [ 1654.115303][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1654.115303][ T72] process_backlog+0x101/0x620 [ 1654.115303][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1654.115303][ T72] net_rx_action+0x495/0xbe0 [ 1654.115303][ T72] __do_softirq+0x1b5/0x7f6 [ 1654.115303][ T72] [ 1654.116939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1654.116939][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.116939][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.116939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.116939][ T72] ip6_route_add+0x1c/0x140 [ 1654.116939][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1654.116939][ T72] inet6_addr_add+0x4f8/0xa40 [ 1654.116939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.116939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.116939][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.116939][ T72] netlink_unicast+0x449/0x710 [ 1654.116939][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.116939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.116939][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.116939][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.116939][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.116939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.116939][ T72] [ 1654.118924][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1654.118924][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.118924][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.118924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.118924][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1654.118924][ T72] ipv6_add_addr+0x411/0x2000 [ 1654.118924][ T72] inet6_addr_add+0x30e/0xa40 [ 1654.118924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.118924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.118924][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.118924][ T72] netlink_unicast+0x449/0x710 [ 1654.118924][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.118924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.118924][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.118924][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.118924][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.118924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.118924][ T72] [ 1654.120914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1654.120914][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.120914][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.120914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.120914][ T72] ip6_route_add+0x1c/0x140 [ 1654.120914][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.120914][ T72] addrconf_add_dev+0xe2/0x170 [ 1654.120914][ T72] inet6_addr_add+0x12f/0xa40 [ 1654.120914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.120914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.120914][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.120914][ T72] netlink_unicast+0x449/0x710 [ 1654.120914][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.120914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.120914][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.120914][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.120914][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.120914][ T72] [ 1654.122857][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1654.122857][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1654.122857][ T72] ipv6_find_idev+0x102/0x170 [ 1654.122857][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.122857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.122857][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.122857][ T72] netlink_unicast+0x449/0x710 [ 1654.122857][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.122857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.122857][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.122857][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.122857][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.122857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.122857][ T72] [ 1654.124379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1654.124379][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1654.124379][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1654.124379][ T72] ipv6_find_idev+0x102/0x170 [ 1654.124379][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.124379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.124379][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.124379][ T72] netlink_unicast+0x449/0x710 [ 1654.124379][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.124379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.124379][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.124379][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.124379][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.124379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.124379][ T72] [ 1654.126050][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1654.126327][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1654.126327][ T72] dst_init+0x84/0x4a0 [ 1654.126327][ T72] dst_alloc+0x97/0x150 [ 1654.126327][ T72] ip6_dst_alloc+0x23/0x90 [ 1654.126327][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1654.126327][ T72] ip6_pol_route+0x56f/0x840 [ 1654.126327][ T72] fib6_rule_lookup+0x456/0x630 [ 1654.126327][ T72] ip6_route_input+0x59c/0xa50 [ 1654.126327][ T72] ipv6_rcv+0x397/0x810 [ 1654.126327][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1654.126327][ T72] process_backlog+0x101/0x620 [ 1654.126327][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1654.126327][ T72] net_rx_action+0x495/0xbe0 [ 1654.126327][ T72] __do_softirq+0x1b5/0x7f6 [ 1654.126327][ T72] [ 1654.127952][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1654.127952][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.127952][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.127952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.127952][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1654.127952][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1654.127952][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1654.127952][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1654.127952][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1654.127952][ T72] addrconf_dad_begin+0x310/0x670 [ 1654.127952][ T72] addrconf_dad_work+0x10b/0xab0 [ 1654.127952][ T72] process_one_work+0x84d/0x18a0 [ 1654.127952][ T72] worker_thread+0x587/0xd30 [ 1654.127952][ T72] kthread+0x28a/0x350 [ 1654.127952][ T72] ret_from_fork+0x31/0x70 [ 1654.127952][ T72] ret_from_fork_asm+0x1a/0x30 [ 1654.127952][ T72] [ 1654.129852][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1654.129852][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.129852][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.129852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.129852][ T72] ip6_route_add+0x1c/0x140 [ 1654.129852][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1654.129852][ T72] inet6_addr_add+0x4f8/0xa40 [ 1654.129852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.129852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.129852][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.129852][ T72] netlink_unicast+0x449/0x710 [ 1654.129852][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.129852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.129852][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.129852][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.129852][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.129852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.129852][ T72] [ 1654.131838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1654.131838][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.131838][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.131838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.131838][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1654.131838][ T72] ipv6_add_addr+0x411/0x2000 [ 1654.131838][ T72] inet6_addr_add+0x30e/0xa40 [ 1654.131838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.131838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.131838][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.131838][ T72] netlink_unicast+0x449/0x710 [ 1654.131838][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.131838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.131838][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.131838][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.131838][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.131838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.131838][ T72] [ 1654.133820][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1654.133820][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.133820][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.133820][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.133820][ T72] ip6_route_add+0x1c/0x140 [ 1654.133820][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.133820][ T72] addrconf_add_dev+0xe2/0x170 [ 1654.133820][ T72] inet6_addr_add+0x12f/0xa40 [ 1654.133820][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.133820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.133820][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.133820][ T72] netlink_unicast+0x449/0x710 [ 1654.133820][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.133820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.133820][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.133820][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.133820][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.133820][ T72] [ 1654.135767][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1654.135767][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1654.135767][ T72] ipv6_find_idev+0x102/0x170 [ 1654.135767][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.135767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.135767][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.135767][ T72] netlink_unicast+0x449/0x710 [ 1654.135767][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.135767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.135767][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.135767][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.135767][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.135767][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.135767][ T72] [ 1654.137293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1654.137293][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1654.137293][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1654.137293][ T72] ipv6_find_idev+0x102/0x170 [ 1654.137293][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.137293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.137293][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.137293][ T72] netlink_unicast+0x449/0x710 [ 1654.137293][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.137293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.137293][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.137293][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.137293][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.137293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.137293][ T72] [ 1654.139032][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1654.139365][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1654.139365][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1654.139365][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1654.139365][ T72] fib6_nh_init+0xa22/0x1580 [ 1654.139365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.139365][ T72] ip6_route_add+0x1c/0x140 [ 1654.139365][ T72] inet6_rtm_newroute+0x104/0x110 [ 1654.139365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.139365][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.139365][ T72] netlink_unicast+0x449/0x710 [ 1654.139365][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.139365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.139365][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.139365][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.139365][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.139365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.139365][ T72] [ 1654.141435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1654.141435][ T72] dst_init+0x84/0x4a0 [ 1654.141435][ T72] dst_alloc+0x97/0x150 [ 1654.141435][ T72] ip6_dst_alloc+0x23/0x90 [ 1654.141435][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1654.141435][ T72] ip6_pol_route+0x56f/0x840 [ 1654.141435][ T72] fib6_rule_lookup+0x456/0x630 [ 1654.141435][ T72] ip6_route_input+0x59c/0xa50 [ 1654.141435][ T72] ipv6_rcv+0x397/0x810 [ 1654.141435][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1654.141435][ T72] process_backlog+0x101/0x620 [ 1654.141435][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1654.141435][ T72] net_rx_action+0x495/0xbe0 [ 1654.141435][ T72] __do_softirq+0x1b5/0x7f6 [ 1654.141435][ T72] [ 1654.143237][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1654.143237][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.143237][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.143237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.143237][ T72] ip6_route_add+0x1c/0x140 [ 1654.143237][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1654.143237][ T72] inet6_addr_add+0x4f8/0xa40 [ 1654.143237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.143237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.143237][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.143237][ T72] netlink_unicast+0x449/0x710 [ 1654.143237][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.143237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.143237][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.143237][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.143237][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.143237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.143237][ T72] [ 1654.145462][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1654.145462][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.145462][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.145462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.145462][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1654.145462][ T72] ipv6_add_addr+0x411/0x2000 [ 1654.145462][ T72] inet6_addr_add+0x30e/0xa40 [ 1654.145462][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.145462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.145462][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.145462][ T72] netlink_unicast+0x449/0x710 [ 1654.145462][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.145462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.145462][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.145462][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.145462][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.145462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.145462][ T72] [ 1654.147627][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1654.147627][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.147627][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.147627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.147627][ T72] ip6_route_add+0x1c/0x140 [ 1654.147627][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.147627][ T72] addrconf_add_dev+0xe2/0x170 [ 1654.147627][ T72] inet6_addr_add+0x12f/0xa40 [ 1654.147627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.147627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.147627][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.147627][ T72] netlink_unicast+0x449/0x710 [ 1654.147627][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.147627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.147627][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.147627][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.147627][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.147627][ T72] [ 1654.149888][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1654.149888][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1654.149888][ T72] ipv6_find_idev+0x102/0x170 [ 1654.149888][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.149888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.149888][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.149888][ T72] netlink_unicast+0x449/0x710 [ 1654.149888][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.149888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.149888][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.149888][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.149888][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.149888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.149888][ T72] [ 1654.151598][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1654.151598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1654.151598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1654.151598][ T72] ipv6_find_idev+0x102/0x170 [ 1654.151598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.151598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.151598][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.151598][ T72] netlink_unicast+0x449/0x710 [ 1654.151598][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.151598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.151598][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.151598][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.151598][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.151598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.151598][ T72] [ 1654.153444][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1654.153722][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1654.153722][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.153722][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.153722][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.153722][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1654.153722][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1654.153722][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1654.153722][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1654.153722][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1654.153722][ T72] addrconf_dad_begin+0x310/0x670 [ 1654.153722][ T72] addrconf_dad_work+0x10b/0xab0 [ 1654.153722][ T72] process_one_work+0x84d/0x18a0 [ 1654.153722][ T72] worker_thread+0x587/0xd30 [ 1654.153722][ T72] kthread+0x28a/0x350 [ 1654.153722][ T72] ret_from_fork+0x31/0x70 [ 1654.153722][ T72] ret_from_fork_asm+0x1a/0x30 [ 1654.153722][ T72] [ 1654.155856][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1654.155856][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.155856][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.155856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.155856][ T72] ip6_route_add+0x1c/0x140 [ 1654.155856][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1654.155856][ T72] inet6_addr_add+0x4f8/0xa40 [ 1654.155856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.155856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.155856][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.155856][ T72] netlink_unicast+0x449/0x710 [ 1654.155856][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.155856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.155856][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.155856][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.155856][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.155856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.155856][ T72] [ 1654.158078][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1654.158078][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.158078][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.158078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.158078][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1654.158078][ T72] ipv6_add_addr+0x411/0x2000 [ 1654.158078][ T72] inet6_addr_add+0x30e/0xa40 [ 1654.158078][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.158078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.158078][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.158078][ T72] netlink_unicast+0x449/0x710 [ 1654.158078][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.158078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.158078][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.158078][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.158078][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.158078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.158078][ T72] [ 1654.160370][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1654.160370][ T72] netdev_get_by_index+0x5e/0x80 [ 1654.160370][ T72] fib6_nh_init+0x3d8/0x1580 [ 1654.160370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1654.160370][ T72] ip6_route_add+0x1c/0x140 [ 1654.160370][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.160370][ T72] addrconf_add_dev+0xe2/0x170 [ 1654.160370][ T72] inet6_addr_add+0x12f/0xa40 [ 1654.160370][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.160370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.160370][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.160370][ T72] netlink_unicast+0x449/0x710 [ 1654.160370][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.160370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.160370][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.160370][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.160370][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.160370][ T72] [ 1654.162561][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1654.162561][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1654.162561][ T72] ipv6_find_idev+0x102/0x170 [ 1654.162561][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.162561][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.162561][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.162561][ T72] netlink_unicast+0x449/0x710 [ 1654.162561][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.162561][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.162561][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.162561][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.162561][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.162561][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.162561][ T72] [ 1654.164211][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1654.164211][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1654.164211][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1654.164211][ T72] ipv6_find_idev+0x102/0x170 [ 1654.164211][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.164211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.164211][ T72] netlink_rcv_skb+0x130/0x360 [ 1654.164211][ T72] netlink_unicast+0x449/0x710 [ 1654.164211][ T72] netlink_sendmsg+0x723/0xbe0 [ 1654.164211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1654.164211][ T72] ___sys_sendmsg+0xee/0x170 [ 1654.164211][ T72] __sys_sendmsg+0xcd/0x170 [ 1654.164211][ T72] do_syscall_64+0xc6/0x1e0 [ 1654.164211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.164211][ T72] [ 1664.408908][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1664.409995][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1664.409995][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1664.409995][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1664.409995][ T72] fib6_nh_init+0xa22/0x1580 [ 1664.409995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.409995][ T72] ip6_route_add+0x1c/0x140 [ 1664.409995][ T72] inet6_rtm_newroute+0x104/0x110 [ 1664.409995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.409995][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.409995][ T72] netlink_unicast+0x449/0x710 [ 1664.409995][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.409995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.409995][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.409995][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.409995][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.409995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.409995][ T72] [ 1664.412276][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1664.412276][ T72] dst_init+0x84/0x4a0 [ 1664.412276][ T72] dst_alloc+0x97/0x150 [ 1664.412276][ T72] ip6_dst_alloc+0x23/0x90 [ 1664.412276][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1664.412276][ T72] ip6_pol_route+0x56f/0x840 [ 1664.412276][ T72] fib6_rule_lookup+0x456/0x630 [ 1664.412276][ T72] ip6_route_input+0x59c/0xa50 [ 1664.412276][ T72] ipv6_rcv+0x397/0x810 [ 1664.412276][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1664.412276][ T72] process_backlog+0x101/0x620 [ 1664.412276][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1664.412276][ T72] net_rx_action+0x495/0xbe0 [ 1664.412276][ T72] __do_softirq+0x1b5/0x7f6 [ 1664.412276][ T72] [ 1664.413904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1664.413904][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.413904][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.413904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.413904][ T72] ip6_route_add+0x1c/0x140 [ 1664.413904][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1664.413904][ T72] inet6_addr_add+0x4f8/0xa40 [ 1664.413904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.413904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.413904][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.413904][ T72] netlink_unicast+0x449/0x710 [ 1664.413904][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.413904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.413904][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.413904][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.413904][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.413904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.413904][ T72] [ 1664.415882][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1664.415882][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.415882][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.415882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.415882][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1664.415882][ T72] ipv6_add_addr+0x411/0x2000 [ 1664.415882][ T72] inet6_addr_add+0x30e/0xa40 [ 1664.415882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.415882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.415882][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.415882][ T72] netlink_unicast+0x449/0x710 [ 1664.415882][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.415882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.415882][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.415882][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.415882][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.415882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.415882][ T72] [ 1664.417857][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1664.417857][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.417857][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.417857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.417857][ T72] ip6_route_add+0x1c/0x140 [ 1664.417857][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.417857][ T72] addrconf_add_dev+0xe2/0x170 [ 1664.417857][ T72] inet6_addr_add+0x12f/0xa40 [ 1664.417857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.417857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.417857][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.417857][ T72] netlink_unicast+0x449/0x710 [ 1664.417857][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.417857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.417857][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.417857][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.417857][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.417857][ T72] [ 1664.419807][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1664.419807][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1664.419807][ T72] ipv6_find_idev+0x102/0x170 [ 1664.419807][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.419807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.419807][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.419807][ T72] netlink_unicast+0x449/0x710 [ 1664.419807][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.419807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.419807][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.419807][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.419807][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.419807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.419807][ T72] [ 1664.421346][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1664.421346][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1664.421346][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1664.421346][ T72] ipv6_find_idev+0x102/0x170 [ 1664.421346][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.421346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.421346][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.421346][ T72] netlink_unicast+0x449/0x710 [ 1664.421346][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.421346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.421346][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.421346][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.421346][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.421346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.421346][ T72] [ 1664.423026][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1664.423299][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1664.423299][ T72] dst_init+0x84/0x4a0 [ 1664.423299][ T72] dst_alloc+0x97/0x150 [ 1664.423299][ T72] ip6_dst_alloc+0x23/0x90 [ 1664.423299][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1664.423299][ T72] ip6_pol_route+0x56f/0x840 [ 1664.423299][ T72] fib6_rule_lookup+0x456/0x630 [ 1664.423299][ T72] ip6_route_input+0x59c/0xa50 [ 1664.423299][ T72] ipv6_rcv+0x397/0x810 [ 1664.423299][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1664.423299][ T72] process_backlog+0x101/0x620 [ 1664.423299][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1664.423299][ T72] net_rx_action+0x495/0xbe0 [ 1664.423299][ T72] __do_softirq+0x1b5/0x7f6 [ 1664.423299][ T72] [ 1664.424926][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1664.424926][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.424926][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.424926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.424926][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1664.424926][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1664.424926][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1664.424926][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1664.424926][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1664.424926][ T72] addrconf_dad_begin+0x310/0x670 [ 1664.424926][ T72] addrconf_dad_work+0x10b/0xab0 [ 1664.424926][ T72] process_one_work+0x84d/0x18a0 [ 1664.424926][ T72] worker_thread+0x587/0xd30 [ 1664.424926][ T72] kthread+0x28a/0x350 [ 1664.424926][ T72] ret_from_fork+0x31/0x70 [ 1664.424926][ T72] ret_from_fork_asm+0x1a/0x30 [ 1664.424926][ T72] [ 1664.426813][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1664.426813][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.426813][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.426813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.426813][ T72] ip6_route_add+0x1c/0x140 [ 1664.426813][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1664.426813][ T72] inet6_addr_add+0x4f8/0xa40 [ 1664.426813][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.426813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.426813][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.426813][ T72] netlink_unicast+0x449/0x710 [ 1664.426813][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.426813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.426813][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.426813][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.426813][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.426813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.426813][ T72] [ 1664.428790][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1664.428790][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.428790][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.428790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.428790][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1664.428790][ T72] ipv6_add_addr+0x411/0x2000 [ 1664.428790][ T72] inet6_addr_add+0x30e/0xa40 [ 1664.428790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.428790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.428790][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.428790][ T72] netlink_unicast+0x449/0x710 [ 1664.428790][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.428790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.428790][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.428790][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.428790][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.428790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.428790][ T72] [ 1664.430783][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1664.430783][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.430783][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.430783][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.430783][ T72] ip6_route_add+0x1c/0x140 [ 1664.430783][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.430783][ T72] addrconf_add_dev+0xe2/0x170 [ 1664.430783][ T72] inet6_addr_add+0x12f/0xa40 [ 1664.430783][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.430783][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.430783][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.430783][ T72] netlink_unicast+0x449/0x710 [ 1664.430783][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.430783][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.430783][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.430783][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.430783][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.430783][ T72] [ 1664.432724][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1664.432724][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1664.432724][ T72] ipv6_find_idev+0x102/0x170 [ 1664.432724][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.432724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.432724][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.432724][ T72] netlink_unicast+0x449/0x710 [ 1664.432724][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.432724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.432724][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.432724][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.432724][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.432724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.432724][ T72] [ 1664.434246][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1664.434246][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1664.434246][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1664.434246][ T72] ipv6_find_idev+0x102/0x170 [ 1664.434246][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.434246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.434246][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.434246][ T72] netlink_unicast+0x449/0x710 [ 1664.434246][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.434246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.434246][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.434246][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.434246][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.434246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.434246][ T72] [ 1664.435994][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1664.436331][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1664.436331][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1664.436331][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1664.436331][ T72] fib6_nh_init+0xa22/0x1580 [ 1664.436331][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.436331][ T72] ip6_route_add+0x1c/0x140 [ 1664.436331][ T72] inet6_rtm_newroute+0x104/0x110 [ 1664.436331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.436331][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.436331][ T72] netlink_unicast+0x449/0x710 [ 1664.436331][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.436331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.436331][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.436331][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.436331][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.436331][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.436331][ T72] [ 1664.438365][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1664.438365][ T72] dst_init+0x84/0x4a0 [ 1664.438365][ T72] dst_alloc+0x97/0x150 [ 1664.438365][ T72] ip6_dst_alloc+0x23/0x90 [ 1664.438365][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1664.438365][ T72] ip6_pol_route+0x56f/0x840 [ 1664.438365][ T72] fib6_rule_lookup+0x456/0x630 [ 1664.438365][ T72] ip6_route_input+0x59c/0xa50 [ 1664.438365][ T72] ipv6_rcv+0x397/0x810 [ 1664.438365][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1664.438365][ T72] process_backlog+0x101/0x620 [ 1664.438365][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1664.438365][ T72] net_rx_action+0x495/0xbe0 [ 1664.438365][ T72] __do_softirq+0x1b5/0x7f6 [ 1664.438365][ T72] [ 1664.440169][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1664.440169][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.440169][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.440169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.440169][ T72] ip6_route_add+0x1c/0x140 [ 1664.440169][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1664.440169][ T72] inet6_addr_add+0x4f8/0xa40 [ 1664.440169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.440169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.440169][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.440169][ T72] netlink_unicast+0x449/0x710 [ 1664.440169][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.440169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.440169][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.440169][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.440169][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.440169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.440169][ T72] [ 1664.442386][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1664.442386][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.442386][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.442386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.442386][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1664.442386][ T72] ipv6_add_addr+0x411/0x2000 [ 1664.442386][ T72] inet6_addr_add+0x30e/0xa40 [ 1664.442386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.442386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.442386][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.442386][ T72] netlink_unicast+0x449/0x710 [ 1664.442386][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.442386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.442386][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.442386][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.442386][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.442386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.442386][ T72] [ 1664.444545][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1664.444545][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.444545][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.444545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.444545][ T72] ip6_route_add+0x1c/0x140 [ 1664.444545][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.444545][ T72] addrconf_add_dev+0xe2/0x170 [ 1664.444545][ T72] inet6_addr_add+0x12f/0xa40 [ 1664.444545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.444545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.444545][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.444545][ T72] netlink_unicast+0x449/0x710 [ 1664.444545][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.444545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.444545][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.444545][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.444545][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.444545][ T72] [ 1664.446787][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1664.446787][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1664.446787][ T72] ipv6_find_idev+0x102/0x170 [ 1664.446787][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.446787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.446787][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.446787][ T72] netlink_unicast+0x449/0x710 [ 1664.446787][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.446787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.446787][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.446787][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.446787][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.446787][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.446787][ T72] [ 1664.448503][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1664.448503][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1664.448503][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1664.448503][ T72] ipv6_find_idev+0x102/0x170 [ 1664.448503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.448503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.448503][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.448503][ T72] netlink_unicast+0x449/0x710 [ 1664.448503][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.448503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.448503][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.448503][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.448503][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.448503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.448503][ T72] [ 1664.450407][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1664.450685][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1664.450685][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.450685][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.450685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.450685][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1664.450685][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1664.450685][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1664.450685][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1664.450685][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1664.450685][ T72] addrconf_dad_begin+0x310/0x670 [ 1664.450685][ T72] addrconf_dad_work+0x10b/0xab0 [ 1664.450685][ T72] process_one_work+0x84d/0x18a0 [ 1664.450685][ T72] worker_thread+0x587/0xd30 [ 1664.450685][ T72] kthread+0x28a/0x350 [ 1664.450685][ T72] ret_from_fork+0x31/0x70 [ 1664.450685][ T72] ret_from_fork_asm+0x1a/0x30 [ 1664.450685][ T72] [ 1664.452821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1664.452821][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.452821][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.452821][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.452821][ T72] ip6_route_add+0x1c/0x140 [ 1664.452821][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1664.452821][ T72] inet6_addr_add+0x4f8/0xa40 [ 1664.452821][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.452821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.452821][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.452821][ T72] netlink_unicast+0x449/0x710 [ 1664.452821][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.452821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.452821][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.452821][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.452821][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.452821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.452821][ T72] [ 1664.455039][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1664.455039][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.455039][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.455039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.455039][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1664.455039][ T72] ipv6_add_addr+0x411/0x2000 [ 1664.455039][ T72] inet6_addr_add+0x30e/0xa40 [ 1664.455039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.455039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.455039][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.455039][ T72] netlink_unicast+0x449/0x710 [ 1664.455039][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.455039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.455039][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.455039][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.455039][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.455039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.455039][ T72] [ 1664.457253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1664.457253][ T72] netdev_get_by_index+0x5e/0x80 [ 1664.457253][ T72] fib6_nh_init+0x3d8/0x1580 [ 1664.457253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1664.457253][ T72] ip6_route_add+0x1c/0x140 [ 1664.457253][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.457253][ T72] addrconf_add_dev+0xe2/0x170 [ 1664.457253][ T72] inet6_addr_add+0x12f/0xa40 [ 1664.457253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.457253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.457253][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.457253][ T72] netlink_unicast+0x449/0x710 [ 1664.457253][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.457253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.457253][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.457253][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.457253][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.457253][ T72] [ 1664.459436][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1664.459436][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1664.459436][ T72] ipv6_find_idev+0x102/0x170 [ 1664.459436][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.459436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.459436][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.459436][ T72] netlink_unicast+0x449/0x710 [ 1664.459436][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.459436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.459436][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.459436][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.459436][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.459436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.459436][ T72] [ 1664.461160][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1664.461160][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1664.461160][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1664.461160][ T72] ipv6_find_idev+0x102/0x170 [ 1664.461160][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.461160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.461160][ T72] netlink_rcv_skb+0x130/0x360 [ 1664.461160][ T72] netlink_unicast+0x449/0x710 [ 1664.461160][ T72] netlink_sendmsg+0x723/0xbe0 [ 1664.461160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1664.461160][ T72] ___sys_sendmsg+0xee/0x170 [ 1664.461160][ T72] __sys_sendmsg+0xcd/0x170 [ 1664.461160][ T72] do_syscall_64+0xc6/0x1e0 [ 1664.461160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.461160][ T72] [ 1674.704909][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1674.705413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1674.705413][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1674.705413][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1674.705413][ T72] fib6_nh_init+0xa22/0x1580 [ 1674.705413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.705413][ T72] ip6_route_add+0x1c/0x140 [ 1674.705413][ T72] inet6_rtm_newroute+0x104/0x110 [ 1674.705413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.705413][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.705413][ T72] netlink_unicast+0x449/0x710 [ 1674.705413][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.705413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.705413][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.705413][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.705413][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.705413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.705413][ T72] [ 1674.707298][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1674.707298][ T72] dst_init+0x84/0x4a0 [ 1674.707298][ T72] dst_alloc+0x97/0x150 [ 1674.707298][ T72] ip6_dst_alloc+0x23/0x90 [ 1674.707298][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1674.707298][ T72] ip6_pol_route+0x56f/0x840 [ 1674.707298][ T72] fib6_rule_lookup+0x456/0x630 [ 1674.707298][ T72] ip6_route_input+0x59c/0xa50 [ 1674.707298][ T72] ipv6_rcv+0x397/0x810 [ 1674.707298][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1674.707298][ T72] process_backlog+0x101/0x620 [ 1674.707298][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1674.707298][ T72] net_rx_action+0x495/0xbe0 [ 1674.707298][ T72] __do_softirq+0x1b5/0x7f6 [ 1674.707298][ T72] [ 1674.708929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1674.708929][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.708929][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.708929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.708929][ T72] ip6_route_add+0x1c/0x140 [ 1674.708929][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1674.708929][ T72] inet6_addr_add+0x4f8/0xa40 [ 1674.708929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.708929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.708929][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.708929][ T72] netlink_unicast+0x449/0x710 [ 1674.708929][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.708929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.708929][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.708929][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.708929][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.708929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.708929][ T72] [ 1674.710934][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1674.710934][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.710934][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.710934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.710934][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1674.710934][ T72] ipv6_add_addr+0x411/0x2000 [ 1674.710934][ T72] inet6_addr_add+0x30e/0xa40 [ 1674.710934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.710934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.710934][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.710934][ T72] netlink_unicast+0x449/0x710 [ 1674.710934][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.710934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.710934][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.710934][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.710934][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.710934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.710934][ T72] [ 1674.712911][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1674.712911][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.712911][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.712911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.712911][ T72] ip6_route_add+0x1c/0x140 [ 1674.712911][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1674.712911][ T72] addrconf_add_dev+0xe2/0x170 [ 1674.712911][ T72] inet6_addr_add+0x12f/0xa40 [ 1674.712911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.712911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.712911][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.712911][ T72] netlink_unicast+0x449/0x710 [ 1674.712911][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.712911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.712911][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.712911][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.712911][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.712911][ T72] [ 1674.714852][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1674.714852][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1674.714852][ T72] ipv6_find_idev+0x102/0x170 [ 1674.714852][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.714852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.714852][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.714852][ T72] netlink_unicast+0x449/0x710 [ 1674.714852][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.714852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.714852][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.714852][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.714852][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.714852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.714852][ T72] [ 1674.716375][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1674.716375][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1674.716375][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1674.716375][ T72] ipv6_find_idev+0x102/0x170 [ 1674.716375][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.716375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.716375][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.716375][ T72] netlink_unicast+0x449/0x710 [ 1674.716375][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.716375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.716375][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.716375][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.716375][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.716375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.716375][ T72] [ 1674.718045][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1674.718321][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1674.718321][ T72] dst_init+0x84/0x4a0 [ 1674.718321][ T72] dst_alloc+0x97/0x150 [ 1674.718321][ T72] ip6_dst_alloc+0x23/0x90 [ 1674.718321][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1674.718321][ T72] ip6_pol_route+0x56f/0x840 [ 1674.718321][ T72] fib6_rule_lookup+0x456/0x630 [ 1674.718321][ T72] ip6_route_input+0x59c/0xa50 [ 1674.718321][ T72] ipv6_rcv+0x397/0x810 [ 1674.718321][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1674.718321][ T72] process_backlog+0x101/0x620 [ 1674.718321][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1674.718321][ T72] net_rx_action+0x495/0xbe0 [ 1674.718321][ T72] __do_softirq+0x1b5/0x7f6 [ 1674.718321][ T72] [ 1674.719958][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1674.719958][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.719958][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.719958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.719958][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1674.719958][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1674.719958][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1674.719958][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1674.719958][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1674.719958][ T72] addrconf_dad_begin+0x310/0x670 [ 1674.719958][ T72] addrconf_dad_work+0x10b/0xab0 [ 1674.719958][ T72] process_one_work+0x84d/0x18a0 [ 1674.719958][ T72] worker_thread+0x587/0xd30 [ 1674.719958][ T72] kthread+0x28a/0x350 [ 1674.719958][ T72] ret_from_fork+0x31/0x70 [ 1674.719958][ T72] ret_from_fork_asm+0x1a/0x30 [ 1674.719958][ T72] [ 1674.721852][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1674.721852][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.721852][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.721852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.721852][ T72] ip6_route_add+0x1c/0x140 [ 1674.721852][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1674.721852][ T72] inet6_addr_add+0x4f8/0xa40 [ 1674.721852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.721852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.721852][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.721852][ T72] netlink_unicast+0x449/0x710 [ 1674.721852][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.721852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.721852][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.721852][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.721852][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.721852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.721852][ T72] [ 1674.723839][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1674.723839][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.723839][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.723839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.723839][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1674.723839][ T72] ipv6_add_addr+0x411/0x2000 [ 1674.723839][ T72] inet6_addr_add+0x30e/0xa40 [ 1674.723839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.723839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.723839][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.723839][ T72] netlink_unicast+0x449/0x710 [ 1674.723839][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.723839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.723839][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.723839][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.723839][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.723839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.723839][ T72] [ 1674.725823][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1674.725823][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.725823][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.725823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.725823][ T72] ip6_route_add+0x1c/0x140 [ 1674.725823][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1674.725823][ T72] addrconf_add_dev+0xe2/0x170 [ 1674.725823][ T72] inet6_addr_add+0x12f/0xa40 [ 1674.725823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.725823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.725823][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.725823][ T72] netlink_unicast+0x449/0x710 [ 1674.725823][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.725823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.725823][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.725823][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.725823][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.725823][ T72] [ 1674.727782][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1674.727782][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1674.727782][ T72] ipv6_find_idev+0x102/0x170 [ 1674.727782][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.727782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.727782][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.727782][ T72] netlink_unicast+0x449/0x710 [ 1674.727782][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.727782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.727782][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.727782][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.727782][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.727782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.727782][ T72] [ 1674.729316][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1674.729316][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1674.729316][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1674.729316][ T72] ipv6_find_idev+0x102/0x170 [ 1674.729316][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.729316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.729316][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.729316][ T72] netlink_unicast+0x449/0x710 [ 1674.729316][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.729316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.729316][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.729316][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.729316][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.729316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.729316][ T72] [ 1674.731090][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1674.731365][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1674.731365][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1674.731365][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1674.731365][ T72] fib6_nh_init+0xa22/0x1580 [ 1674.731365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.731365][ T72] ip6_route_add+0x1c/0x140 [ 1674.731365][ T72] inet6_rtm_newroute+0x104/0x110 [ 1674.731365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.731365][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.731365][ T72] netlink_unicast+0x449/0x710 [ 1674.731365][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.731365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.731365][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.731365][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.731365][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.731365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.731365][ T72] [ 1674.733299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1674.733299][ T72] dst_init+0x84/0x4a0 [ 1674.733299][ T72] dst_alloc+0x97/0x150 [ 1674.733299][ T72] ip6_dst_alloc+0x23/0x90 [ 1674.733299][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1674.733299][ T72] ip6_pol_route+0x56f/0x840 [ 1674.733299][ T72] fib6_rule_lookup+0x456/0x630 [ 1674.733299][ T72] ip6_route_input+0x59c/0xa50 [ 1674.733299][ T72] ipv6_rcv+0x397/0x810 [ 1674.733299][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1674.733299][ T72] process_backlog+0x101/0x620 [ 1674.733299][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1674.733299][ T72] net_rx_action+0x495/0xbe0 [ 1674.733299][ T72] __do_softirq+0x1b5/0x7f6 [ 1674.733299][ T72] [ 1674.734985][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1674.734985][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.734985][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.734985][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.734985][ T72] ip6_route_add+0x1c/0x140 [ 1674.734985][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1674.734985][ T72] inet6_addr_add+0x4f8/0xa40 [ 1674.734985][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.734985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.734985][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.734985][ T72] netlink_unicast+0x449/0x710 [ 1674.734985][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.734985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.734985][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.734985][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.734985][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.734985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.734985][ T72] [ 1674.737106][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1674.737106][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.737106][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.737106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.737106][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1674.737106][ T72] ipv6_add_addr+0x411/0x2000 [ 1674.737106][ T72] inet6_addr_add+0x30e/0xa40 [ 1674.737106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.737106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.737106][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.737106][ T72] netlink_unicast+0x449/0x710 [ 1674.737106][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.737106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.737106][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.737106][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.737106][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.737106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.737106][ T72] [ 1674.739148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1674.739148][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.739148][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.739148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.739148][ T72] ip6_route_add+0x1c/0x140 [ 1674.739148][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1674.739148][ T72] addrconf_add_dev+0xe2/0x170 [ 1674.739148][ T72] inet6_addr_add+0x12f/0xa40 [ 1674.739148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.739148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.739148][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.739148][ T72] netlink_unicast+0x449/0x710 [ 1674.739148][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.739148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.739148][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.739148][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.739148][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.739148][ T72] [ 1674.741158][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1674.741158][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1674.741158][ T72] ipv6_find_idev+0x102/0x170 [ 1674.741158][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.741158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.741158][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.741158][ T72] netlink_unicast+0x449/0x710 [ 1674.741158][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.741158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.741158][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.741158][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.741158][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.741158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.741158][ T72] [ 1674.742746][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1674.742746][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1674.742746][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1674.742746][ T72] ipv6_find_idev+0x102/0x170 [ 1674.742746][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.742746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.742746][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.742746][ T72] netlink_unicast+0x449/0x710 [ 1674.742746][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.742746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.742746][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.742746][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.742746][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.742746][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.742746][ T72] [ 1674.744473][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1674.744749][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1674.744749][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.744749][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.744749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.744749][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1674.744749][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1674.744749][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1674.744749][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1674.744749][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1674.744749][ T72] addrconf_dad_begin+0x310/0x670 [ 1674.744749][ T72] addrconf_dad_work+0x10b/0xab0 [ 1674.744749][ T72] process_one_work+0x84d/0x18a0 [ 1674.744749][ T72] worker_thread+0x587/0xd30 [ 1674.744749][ T72] kthread+0x28a/0x350 [ 1674.744749][ T72] ret_from_fork+0x31/0x70 [ 1674.744749][ T72] ret_from_fork_asm+0x1a/0x30 [ 1674.744749][ T72] [ 1674.746709][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1674.746709][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.746709][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.746709][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.746709][ T72] ip6_route_add+0x1c/0x140 [ 1674.746709][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1674.746709][ T72] inet6_addr_add+0x4f8/0xa40 [ 1674.746709][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.746709][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.746709][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.746709][ T72] netlink_unicast+0x449/0x710 [ 1674.746709][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.746709][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.746709][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.746709][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.746709][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.746709][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.746709][ T72] [ 1674.748814][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1674.748814][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.748814][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.748814][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.748814][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1674.748814][ T72] ipv6_add_addr+0x411/0x2000 [ 1674.748814][ T72] inet6_addr_add+0x30e/0xa40 [ 1674.748814][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.748814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.748814][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.748814][ T72] netlink_unicast+0x449/0x710 [ 1674.748814][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.748814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.748814][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.748814][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.748814][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.748814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.748814][ T72] [ 1674.750862][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1674.750862][ T72] netdev_get_by_index+0x5e/0x80 [ 1674.750862][ T72] fib6_nh_init+0x3d8/0x1580 [ 1674.750862][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1674.750862][ T72] ip6_route_add+0x1c/0x140 [ 1674.750862][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1674.750862][ T72] addrconf_add_dev+0xe2/0x170 [ 1674.750862][ T72] inet6_addr_add+0x12f/0xa40 [ 1674.750862][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.750862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.750862][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.750862][ T72] netlink_unicast+0x449/0x710 [ 1674.750862][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.750862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.750862][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.750862][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.750862][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.750862][ T72] [ 1674.752877][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1674.752877][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1674.752877][ T72] ipv6_find_idev+0x102/0x170 [ 1674.752877][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.752877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.752877][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.752877][ T72] netlink_unicast+0x449/0x710 [ 1674.752877][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.752877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.752877][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.752877][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.752877][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.752877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.752877][ T72] [ 1674.754466][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1674.754466][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1674.754466][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1674.754466][ T72] ipv6_find_idev+0x102/0x170 [ 1674.754466][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.754466][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.754466][ T72] netlink_rcv_skb+0x130/0x360 [ 1674.754466][ T72] netlink_unicast+0x449/0x710 [ 1674.754466][ T72] netlink_sendmsg+0x723/0xbe0 [ 1674.754466][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1674.754466][ T72] ___sys_sendmsg+0xee/0x170 [ 1674.754466][ T72] __sys_sendmsg+0xcd/0x170 [ 1674.754466][ T72] do_syscall_64+0xc6/0x1e0 [ 1674.754466][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.754466][ T72] [ 1684.992931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1684.993425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1684.993425][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1684.993425][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1684.993425][ T72] fib6_nh_init+0xa22/0x1580 [ 1684.993425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1684.993425][ T72] ip6_route_add+0x1c/0x140 [ 1684.993425][ T72] inet6_rtm_newroute+0x104/0x110 [ 1684.993425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.993425][ T72] netlink_rcv_skb+0x130/0x360 [ 1684.993425][ T72] netlink_unicast+0x449/0x710 [ 1684.993425][ T72] netlink_sendmsg+0x723/0xbe0 [ 1684.993425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1684.993425][ T72] ___sys_sendmsg+0xee/0x170 [ 1684.993425][ T72] __sys_sendmsg+0xcd/0x170 [ 1684.993425][ T72] do_syscall_64+0xc6/0x1e0 [ 1684.993425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.993425][ T72] [ 1684.995316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1684.995316][ T72] dst_init+0x84/0x4a0 [ 1684.995316][ T72] dst_alloc+0x97/0x150 [ 1684.995316][ T72] ip6_dst_alloc+0x23/0x90 [ 1684.995316][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1684.995316][ T72] ip6_pol_route+0x56f/0x840 [ 1684.995316][ T72] fib6_rule_lookup+0x456/0x630 [ 1684.995316][ T72] ip6_route_input+0x59c/0xa50 [ 1684.995316][ T72] ipv6_rcv+0x397/0x810 [ 1684.995316][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1684.995316][ T72] process_backlog+0x101/0x620 [ 1684.995316][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1684.995316][ T72] net_rx_action+0x495/0xbe0 [ 1684.995316][ T72] __do_softirq+0x1b5/0x7f6 [ 1684.995316][ T72] [ 1684.996952][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1684.996952][ T72] netdev_get_by_index+0x5e/0x80 [ 1684.996952][ T72] fib6_nh_init+0x3d8/0x1580 [ 1684.996952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1684.996952][ T72] ip6_route_add+0x1c/0x140 [ 1684.996952][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1684.996952][ T72] inet6_addr_add+0x4f8/0xa40 [ 1684.996952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.996952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.996952][ T72] netlink_rcv_skb+0x130/0x360 [ 1684.996952][ T72] netlink_unicast+0x449/0x710 [ 1684.996952][ T72] netlink_sendmsg+0x723/0xbe0 [ 1684.996952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1684.996952][ T72] ___sys_sendmsg+0xee/0x170 [ 1684.996952][ T72] __sys_sendmsg+0xcd/0x170 [ 1684.996952][ T72] do_syscall_64+0xc6/0x1e0 [ 1684.996952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.996952][ T72] [ 1684.998942][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1684.998942][ T72] netdev_get_by_index+0x5e/0x80 [ 1684.998942][ T72] fib6_nh_init+0x3d8/0x1580 [ 1684.998942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1684.998942][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1684.998942][ T72] ipv6_add_addr+0x411/0x2000 [ 1684.998942][ T72] inet6_addr_add+0x30e/0xa40 [ 1684.998942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.998942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.998942][ T72] netlink_rcv_skb+0x130/0x360 [ 1684.998942][ T72] netlink_unicast+0x449/0x710 [ 1684.998942][ T72] netlink_sendmsg+0x723/0xbe0 [ 1684.998942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1684.998942][ T72] ___sys_sendmsg+0xee/0x170 [ 1684.998942][ T72] __sys_sendmsg+0xcd/0x170 [ 1684.998942][ T72] do_syscall_64+0xc6/0x1e0 [ 1684.998942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.998942][ T72] [ 1685.000940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1685.000940][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.000940][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.000940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.000940][ T72] ip6_route_add+0x1c/0x140 [ 1685.000940][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1685.000940][ T72] addrconf_add_dev+0xe2/0x170 [ 1685.000940][ T72] inet6_addr_add+0x12f/0xa40 [ 1685.000940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.000940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.000940][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.000940][ T72] netlink_unicast+0x449/0x710 [ 1685.000940][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.000940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.000940][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.000940][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.000940][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.000940][ T72] [ 1685.002885][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1685.002885][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1685.002885][ T72] ipv6_find_idev+0x102/0x170 [ 1685.002885][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.002885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.002885][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.002885][ T72] netlink_unicast+0x449/0x710 [ 1685.002885][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.002885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.002885][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.002885][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.002885][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.002885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.002885][ T72] [ 1685.004407][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1685.004407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1685.004407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1685.004407][ T72] ipv6_find_idev+0x102/0x170 [ 1685.004407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.004407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.004407][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.004407][ T72] netlink_unicast+0x449/0x710 [ 1685.004407][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.004407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.004407][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.004407][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.004407][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.004407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.004407][ T72] [ 1685.006074][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1685.006345][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1685.006345][ T72] dst_init+0x84/0x4a0 [ 1685.006345][ T72] dst_alloc+0x97/0x150 [ 1685.006345][ T72] ip6_dst_alloc+0x23/0x90 [ 1685.006345][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1685.006345][ T72] ip6_pol_route+0x56f/0x840 [ 1685.006345][ T72] fib6_rule_lookup+0x456/0x630 [ 1685.006345][ T72] ip6_route_input+0x59c/0xa50 [ 1685.006345][ T72] ipv6_rcv+0x397/0x810 [ 1685.006345][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1685.006345][ T72] process_backlog+0x101/0x620 [ 1685.006345][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1685.006345][ T72] net_rx_action+0x495/0xbe0 [ 1685.006345][ T72] __do_softirq+0x1b5/0x7f6 [ 1685.006345][ T72] [ 1685.007967][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1685.007967][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.007967][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.007967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.007967][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1685.007967][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1685.007967][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1685.007967][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1685.007967][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1685.007967][ T72] addrconf_dad_begin+0x310/0x670 [ 1685.007967][ T72] addrconf_dad_work+0x10b/0xab0 [ 1685.007967][ T72] process_one_work+0x84d/0x18a0 [ 1685.007967][ T72] worker_thread+0x587/0xd30 [ 1685.007967][ T72] kthread+0x28a/0x350 [ 1685.007967][ T72] ret_from_fork+0x31/0x70 [ 1685.007967][ T72] ret_from_fork_asm+0x1a/0x30 [ 1685.007967][ T72] [ 1685.009879][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1685.009879][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.009879][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.009879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.009879][ T72] ip6_route_add+0x1c/0x140 [ 1685.009879][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1685.009879][ T72] inet6_addr_add+0x4f8/0xa40 [ 1685.009879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.009879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.009879][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.009879][ T72] netlink_unicast+0x449/0x710 [ 1685.009879][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.009879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.009879][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.009879][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.009879][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.009879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.009879][ T72] [ 1685.011859][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1685.011859][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.011859][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.011859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.011859][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1685.011859][ T72] ipv6_add_addr+0x411/0x2000 [ 1685.011859][ T72] inet6_addr_add+0x30e/0xa40 [ 1685.011859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.011859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.011859][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.011859][ T72] netlink_unicast+0x449/0x710 [ 1685.011859][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.011859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.011859][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.011859][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.011859][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.011859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.011859][ T72] [ 1685.013836][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1685.013836][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.013836][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.013836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.013836][ T72] ip6_route_add+0x1c/0x140 [ 1685.013836][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1685.013836][ T72] addrconf_add_dev+0xe2/0x170 [ 1685.013836][ T72] inet6_addr_add+0x12f/0xa40 [ 1685.013836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.013836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.013836][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.013836][ T72] netlink_unicast+0x449/0x710 [ 1685.013836][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.013836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.013836][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.013836][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.013836][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.013836][ T72] [ 1685.015794][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1685.015794][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1685.015794][ T72] ipv6_find_idev+0x102/0x170 [ 1685.015794][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.015794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.015794][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.015794][ T72] netlink_unicast+0x449/0x710 [ 1685.015794][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.015794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.015794][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.015794][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.015794][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.015794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.015794][ T72] [ 1685.017321][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1685.017321][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1685.017321][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1685.017321][ T72] ipv6_find_idev+0x102/0x170 [ 1685.017321][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.017321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.017321][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.017321][ T72] netlink_unicast+0x449/0x710 [ 1685.017321][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.017321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.017321][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.017321][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.017321][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.017321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.017321][ T72] [ 1685.019064][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1685.019423][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1685.019423][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1685.019423][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1685.019423][ T72] fib6_nh_init+0xa22/0x1580 [ 1685.019423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.019423][ T72] ip6_route_add+0x1c/0x140 [ 1685.019423][ T72] inet6_rtm_newroute+0x104/0x110 [ 1685.019423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.019423][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.019423][ T72] netlink_unicast+0x449/0x710 [ 1685.019423][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.019423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.019423][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.019423][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.019423][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.019423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.019423][ T72] [ 1685.021477][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1685.021477][ T72] dst_init+0x84/0x4a0 [ 1685.021477][ T72] dst_alloc+0x97/0x150 [ 1685.021477][ T72] ip6_dst_alloc+0x23/0x90 [ 1685.021477][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1685.021477][ T72] ip6_pol_route+0x56f/0x840 [ 1685.021477][ T72] fib6_rule_lookup+0x456/0x630 [ 1685.021477][ T72] ip6_route_input+0x59c/0xa50 [ 1685.021477][ T72] ipv6_rcv+0x397/0x810 [ 1685.021477][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1685.021477][ T72] process_backlog+0x101/0x620 [ 1685.021477][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1685.021477][ T72] net_rx_action+0x495/0xbe0 [ 1685.021477][ T72] __do_softirq+0x1b5/0x7f6 [ 1685.021477][ T72] [ 1685.023283][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1685.023283][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.023283][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.023283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.023283][ T72] ip6_route_add+0x1c/0x140 [ 1685.023283][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1685.023283][ T72] inet6_addr_add+0x4f8/0xa40 [ 1685.023283][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.023283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.023283][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.023283][ T72] netlink_unicast+0x449/0x710 [ 1685.023283][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.023283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.023283][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.023283][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.023283][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.023283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.023283][ T72] [ 1685.025510][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1685.025510][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.025510][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.025510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.025510][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1685.025510][ T72] ipv6_add_addr+0x411/0x2000 [ 1685.025510][ T72] inet6_addr_add+0x30e/0xa40 [ 1685.025510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.025510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.025510][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.025510][ T72] netlink_unicast+0x449/0x710 [ 1685.025510][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.025510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.025510][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.025510][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.025510][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.025510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.025510][ T72] [ 1685.027669][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1685.027669][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.027669][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.027669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.027669][ T72] ip6_route_add+0x1c/0x140 [ 1685.027669][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1685.027669][ T72] addrconf_add_dev+0xe2/0x170 [ 1685.027669][ T72] inet6_addr_add+0x12f/0xa40 [ 1685.027669][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.027669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.027669][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.027669][ T72] netlink_unicast+0x449/0x710 [ 1685.027669][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.027669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.027669][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.027669][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.027669][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.027669][ T72] [ 1685.029921][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1685.029921][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1685.029921][ T72] ipv6_find_idev+0x102/0x170 [ 1685.029921][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.029921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.029921][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.029921][ T72] netlink_unicast+0x449/0x710 [ 1685.029921][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.029921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.029921][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.029921][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.029921][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.029921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.029921][ T72] [ 1685.031626][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1685.031626][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1685.031626][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1685.031626][ T72] ipv6_find_idev+0x102/0x170 [ 1685.031626][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.031626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.031626][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.031626][ T72] netlink_unicast+0x449/0x710 [ 1685.031626][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.031626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.031626][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.031626][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.031626][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.031626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.031626][ T72] [ 1685.033480][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1685.033819][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1685.033819][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.033819][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.033819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.033819][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1685.033819][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1685.033819][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1685.033819][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1685.033819][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1685.033819][ T72] addrconf_dad_begin+0x310/0x670 [ 1685.033819][ T72] addrconf_dad_work+0x10b/0xab0 [ 1685.033819][ T72] process_one_work+0x84d/0x18a0 [ 1685.033819][ T72] worker_thread+0x587/0xd30 [ 1685.033819][ T72] kthread+0x28a/0x350 [ 1685.033819][ T72] ret_from_fork+0x31/0x70 [ 1685.033819][ T72] ret_from_fork_asm+0x1a/0x30 [ 1685.033819][ T72] [ 1685.036828][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1685.036828][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.036828][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.036828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.036828][ T72] ip6_route_add+0x1c/0x140 [ 1685.036828][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1685.036828][ T72] inet6_addr_add+0x4f8/0xa40 [ 1685.036828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.036828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.036828][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.036828][ T72] netlink_unicast+0x449/0x710 [ 1685.036828][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.036828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.036828][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.036828][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.036828][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.036828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.036828][ T72] [ 1685.039058][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1685.039058][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.039058][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.039058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.039058][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1685.039058][ T72] ipv6_add_addr+0x411/0x2000 [ 1685.039058][ T72] inet6_addr_add+0x30e/0xa40 [ 1685.039058][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.039058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.039058][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.039058][ T72] netlink_unicast+0x449/0x710 [ 1685.039058][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.039058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.039058][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.039058][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.039058][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.039058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.039058][ T72] [ 1685.041368][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1685.041368][ T72] netdev_get_by_index+0x5e/0x80 [ 1685.041368][ T72] fib6_nh_init+0x3d8/0x1580 [ 1685.041368][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1685.041368][ T72] ip6_route_add+0x1c/0x140 [ 1685.041368][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1685.041368][ T72] addrconf_add_dev+0xe2/0x170 [ 1685.041368][ T72] inet6_addr_add+0x12f/0xa40 [ 1685.041368][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.041368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.041368][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.041368][ T72] netlink_unicast+0x449/0x710 [ 1685.041368][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.041368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.041368][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.041368][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.041368][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.041368][ T72] [ 1685.043557][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1685.043557][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1685.043557][ T72] ipv6_find_idev+0x102/0x170 [ 1685.043557][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.043557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.043557][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.043557][ T72] netlink_unicast+0x449/0x710 [ 1685.043557][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.043557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.043557][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.043557][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.043557][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.043557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.043557][ T72] [ 1685.045266][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1685.045266][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1685.045266][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1685.045266][ T72] ipv6_find_idev+0x102/0x170 [ 1685.045266][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.045266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.045266][ T72] netlink_rcv_skb+0x130/0x360 [ 1685.045266][ T72] netlink_unicast+0x449/0x710 [ 1685.045266][ T72] netlink_sendmsg+0x723/0xbe0 [ 1685.045266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1685.045266][ T72] ___sys_sendmsg+0xee/0x170 [ 1685.045266][ T72] __sys_sendmsg+0xcd/0x170 [ 1685.045266][ T72] do_syscall_64+0xc6/0x1e0 [ 1685.045266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.045266][ T72] [ 1695.288847][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1695.289345][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1695.289345][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1695.289345][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1695.289345][ T72] fib6_nh_init+0xa22/0x1580 [ 1695.289345][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.289345][ T72] ip6_route_add+0x1c/0x140 [ 1695.289345][ T72] inet6_rtm_newroute+0x104/0x110 [ 1695.289345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.289345][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.289345][ T72] netlink_unicast+0x449/0x710 [ 1695.289345][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.289345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.289345][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.289345][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.289345][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.289345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.289345][ T72] [ 1695.291277][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1695.291277][ T72] dst_init+0x84/0x4a0 [ 1695.291277][ T72] dst_alloc+0x97/0x150 [ 1695.291277][ T72] ip6_dst_alloc+0x23/0x90 [ 1695.291277][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1695.291277][ T72] ip6_pol_route+0x56f/0x840 [ 1695.291277][ T72] fib6_rule_lookup+0x456/0x630 [ 1695.291277][ T72] ip6_route_input+0x59c/0xa50 [ 1695.291277][ T72] ipv6_rcv+0x397/0x810 [ 1695.291277][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1695.291277][ T72] process_backlog+0x101/0x620 [ 1695.291277][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1695.291277][ T72] net_rx_action+0x495/0xbe0 [ 1695.291277][ T72] __do_softirq+0x1b5/0x7f6 [ 1695.291277][ T72] [ 1695.292904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1695.292904][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.292904][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.292904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.292904][ T72] ip6_route_add+0x1c/0x140 [ 1695.292904][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1695.292904][ T72] inet6_addr_add+0x4f8/0xa40 [ 1695.292904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.292904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.292904][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.292904][ T72] netlink_unicast+0x449/0x710 [ 1695.292904][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.292904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.292904][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.292904][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.292904][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.292904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.292904][ T72] [ 1695.294888][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1695.294888][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.294888][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.294888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.294888][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1695.294888][ T72] ipv6_add_addr+0x411/0x2000 [ 1695.294888][ T72] inet6_addr_add+0x30e/0xa40 [ 1695.294888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.294888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.294888][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.294888][ T72] netlink_unicast+0x449/0x710 [ 1695.294888][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.294888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.294888][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.294888][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.294888][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.294888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.294888][ T72] [ 1695.296867][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1695.296867][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.296867][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.296867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.296867][ T72] ip6_route_add+0x1c/0x140 [ 1695.296867][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.296867][ T72] addrconf_add_dev+0xe2/0x170 [ 1695.296867][ T72] inet6_addr_add+0x12f/0xa40 [ 1695.296867][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.296867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.296867][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.296867][ T72] netlink_unicast+0x449/0x710 [ 1695.296867][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.296867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.296867][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.296867][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.296867][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.296867][ T72] [ 1695.298828][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1695.298828][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1695.298828][ T72] ipv6_find_idev+0x102/0x170 [ 1695.298828][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.298828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.298828][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.298828][ T72] netlink_unicast+0x449/0x710 [ 1695.298828][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.298828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.298828][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.298828][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.298828][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.298828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.298828][ T72] [ 1695.300362][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1695.300362][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1695.300362][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1695.300362][ T72] ipv6_find_idev+0x102/0x170 [ 1695.300362][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.300362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.300362][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.300362][ T72] netlink_unicast+0x449/0x710 [ 1695.300362][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.300362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.300362][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.300362][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.300362][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.300362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.300362][ T72] [ 1695.302040][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1695.302313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1695.302313][ T72] dst_init+0x84/0x4a0 [ 1695.302313][ T72] dst_alloc+0x97/0x150 [ 1695.302313][ T72] ip6_dst_alloc+0x23/0x90 [ 1695.302313][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1695.302313][ T72] ip6_pol_route+0x56f/0x840 [ 1695.302313][ T72] fib6_rule_lookup+0x456/0x630 [ 1695.302313][ T72] ip6_route_input+0x59c/0xa50 [ 1695.302313][ T72] ipv6_rcv+0x397/0x810 [ 1695.302313][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1695.302313][ T72] process_backlog+0x101/0x620 [ 1695.302313][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1695.302313][ T72] net_rx_action+0x495/0xbe0 [ 1695.302313][ T72] __do_softirq+0x1b5/0x7f6 [ 1695.302313][ T72] [ 1695.303947][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1695.303947][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.303947][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.303947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.303947][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1695.303947][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1695.303947][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1695.303947][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1695.303947][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1695.303947][ T72] addrconf_dad_begin+0x310/0x670 [ 1695.303947][ T72] addrconf_dad_work+0x10b/0xab0 [ 1695.303947][ T72] process_one_work+0x84d/0x18a0 [ 1695.303947][ T72] worker_thread+0x587/0xd30 [ 1695.303947][ T72] kthread+0x28a/0x350 [ 1695.303947][ T72] ret_from_fork+0x31/0x70 [ 1695.303947][ T72] ret_from_fork_asm+0x1a/0x30 [ 1695.303947][ T72] [ 1695.305843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1695.305843][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.305843][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.305843][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.305843][ T72] ip6_route_add+0x1c/0x140 [ 1695.305843][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1695.305843][ T72] inet6_addr_add+0x4f8/0xa40 [ 1695.305843][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.305843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.305843][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.305843][ T72] netlink_unicast+0x449/0x710 [ 1695.305843][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.305843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.305843][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.305843][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.305843][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.305843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.305843][ T72] [ 1695.307820][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1695.307820][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.307820][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.307820][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.307820][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1695.307820][ T72] ipv6_add_addr+0x411/0x2000 [ 1695.307820][ T72] inet6_addr_add+0x30e/0xa40 [ 1695.307820][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.307820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.307820][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.307820][ T72] netlink_unicast+0x449/0x710 [ 1695.307820][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.307820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.307820][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.307820][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.307820][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.307820][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.307820][ T72] [ 1695.309798][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1695.309798][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.309798][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.309798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.309798][ T72] ip6_route_add+0x1c/0x140 [ 1695.309798][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.309798][ T72] addrconf_add_dev+0xe2/0x170 [ 1695.309798][ T72] inet6_addr_add+0x12f/0xa40 [ 1695.309798][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.309798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.309798][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.309798][ T72] netlink_unicast+0x449/0x710 [ 1695.309798][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.309798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.309798][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.309798][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.309798][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.309798][ T72] [ 1695.311739][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1695.311739][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1695.311739][ T72] ipv6_find_idev+0x102/0x170 [ 1695.311739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.311739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.311739][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.311739][ T72] netlink_unicast+0x449/0x710 [ 1695.311739][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.311739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.311739][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.311739][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.311739][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.311739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.311739][ T72] [ 1695.313262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1695.313262][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1695.313262][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1695.313262][ T72] ipv6_find_idev+0x102/0x170 [ 1695.313262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.313262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.313262][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.313262][ T72] netlink_unicast+0x449/0x710 [ 1695.313262][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.313262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.313262][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.313262][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.313262][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.313262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.313262][ T72] [ 1695.315005][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1695.315346][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1695.315346][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1695.315346][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1695.315346][ T72] fib6_nh_init+0xa22/0x1580 [ 1695.315346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.315346][ T72] ip6_route_add+0x1c/0x140 [ 1695.315346][ T72] inet6_rtm_newroute+0x104/0x110 [ 1695.315346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.315346][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.315346][ T72] netlink_unicast+0x449/0x710 [ 1695.315346][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.315346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.315346][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.315346][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.315346][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.315346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.315346][ T72] [ 1695.318293][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1695.318293][ T72] dst_init+0x84/0x4a0 [ 1695.318293][ T72] dst_alloc+0x97/0x150 [ 1695.318293][ T72] ip6_dst_alloc+0x23/0x90 [ 1695.318293][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1695.318293][ T72] ip6_pol_route+0x56f/0x840 [ 1695.318293][ T72] fib6_rule_lookup+0x456/0x630 [ 1695.318293][ T72] ip6_route_input+0x59c/0xa50 [ 1695.318293][ T72] ipv6_rcv+0x397/0x810 [ 1695.318293][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1695.318293][ T72] process_backlog+0x101/0x620 [ 1695.318293][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1695.318293][ T72] net_rx_action+0x495/0xbe0 [ 1695.318293][ T72] __do_softirq+0x1b5/0x7f6 [ 1695.318293][ T72] [ 1695.321256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1695.321256][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.321256][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.321256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.321256][ T72] ip6_route_add+0x1c/0x140 [ 1695.321256][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1695.321256][ T72] inet6_addr_add+0x4f8/0xa40 [ 1695.321256][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.321256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.321256][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.321256][ T72] netlink_unicast+0x449/0x710 [ 1695.321256][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.321256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.321256][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.321256][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.321256][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.321256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.321256][ T72] [ 1695.324898][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1695.324898][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.324898][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.324898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.324898][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1695.324898][ T72] ipv6_add_addr+0x411/0x2000 [ 1695.324898][ T72] inet6_addr_add+0x30e/0xa40 [ 1695.324898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.324898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.324898][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.324898][ T72] netlink_unicast+0x449/0x710 [ 1695.324898][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.324898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.324898][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.324898][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.324898][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.324898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.324898][ T72] [ 1695.327355][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1695.327355][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.327355][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.327355][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.327355][ T72] ip6_route_add+0x1c/0x140 [ 1695.327355][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.327355][ T72] addrconf_add_dev+0xe2/0x170 [ 1695.327355][ T72] inet6_addr_add+0x12f/0xa40 [ 1695.327355][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.327355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.327355][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.327355][ T72] netlink_unicast+0x449/0x710 [ 1695.327355][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.327355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.327355][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.327355][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.327355][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.327355][ T72] [ 1695.329602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1695.329602][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1695.329602][ T72] ipv6_find_idev+0x102/0x170 [ 1695.329602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.329602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.329602][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.329602][ T72] netlink_unicast+0x449/0x710 [ 1695.329602][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.329602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.329602][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.329602][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.329602][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.329602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.329602][ T72] [ 1695.331314][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1695.331314][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1695.331314][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1695.331314][ T72] ipv6_find_idev+0x102/0x170 [ 1695.331314][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.331314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.331314][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.331314][ T72] netlink_unicast+0x449/0x710 [ 1695.331314][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.331314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.331314][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.331314][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.331314][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.331314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.331314][ T72] [ 1695.333175][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1695.333515][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1695.333515][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.333515][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.333515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.333515][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1695.333515][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1695.333515][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1695.333515][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1695.333515][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1695.333515][ T72] addrconf_dad_begin+0x310/0x670 [ 1695.333515][ T72] addrconf_dad_work+0x10b/0xab0 [ 1695.333515][ T72] process_one_work+0x84d/0x18a0 [ 1695.333515][ T72] worker_thread+0x587/0xd30 [ 1695.333515][ T72] kthread+0x28a/0x350 [ 1695.333515][ T72] ret_from_fork+0x31/0x70 [ 1695.333515][ T72] ret_from_fork_asm+0x1a/0x30 [ 1695.333515][ T72] [ 1695.335584][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1695.335584][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.335584][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.335584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.335584][ T72] ip6_route_add+0x1c/0x140 [ 1695.335584][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1695.335584][ T72] inet6_addr_add+0x4f8/0xa40 [ 1695.335584][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.335584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.335584][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.335584][ T72] netlink_unicast+0x449/0x710 [ 1695.335584][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.335584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.335584][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.335584][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.335584][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.335584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.335584][ T72] [ 1695.337753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1695.337753][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.337753][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.337753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.337753][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1695.337753][ T72] ipv6_add_addr+0x411/0x2000 [ 1695.337753][ T72] inet6_addr_add+0x30e/0xa40 [ 1695.337753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.337753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.337753][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.337753][ T72] netlink_unicast+0x449/0x710 [ 1695.337753][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.337753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.337753][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.337753][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.337753][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.337753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.337753][ T72] [ 1695.340043][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1695.340043][ T72] netdev_get_by_index+0x5e/0x80 [ 1695.340043][ T72] fib6_nh_init+0x3d8/0x1580 [ 1695.340043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1695.340043][ T72] ip6_route_add+0x1c/0x140 [ 1695.340043][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.340043][ T72] addrconf_add_dev+0xe2/0x170 [ 1695.340043][ T72] inet6_addr_add+0x12f/0xa40 [ 1695.340043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.340043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.340043][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.340043][ T72] netlink_unicast+0x449/0x710 [ 1695.340043][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.340043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.340043][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.340043][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.340043][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.340043][ T72] [ 1695.342229][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1695.342229][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1695.342229][ T72] ipv6_find_idev+0x102/0x170 [ 1695.342229][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.342229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.342229][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.342229][ T72] netlink_unicast+0x449/0x710 [ 1695.342229][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.342229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.342229][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.342229][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.342229][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.342229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.342229][ T72] [ 1695.343934][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1695.343934][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1695.343934][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1695.343934][ T72] ipv6_find_idev+0x102/0x170 [ 1695.343934][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.343934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.343934][ T72] netlink_rcv_skb+0x130/0x360 [ 1695.343934][ T72] netlink_unicast+0x449/0x710 [ 1695.343934][ T72] netlink_sendmsg+0x723/0xbe0 [ 1695.343934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1695.343934][ T72] ___sys_sendmsg+0xee/0x170 [ 1695.343934][ T72] __sys_sendmsg+0xcd/0x170 [ 1695.343934][ T72] do_syscall_64+0xc6/0x1e0 [ 1695.343934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.343934][ T72] [ 1705.496900][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1705.497427][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1705.497427][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1705.497427][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1705.497427][ T72] fib6_nh_init+0xa22/0x1580 [ 1705.497427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.497427][ T72] ip6_route_add+0x1c/0x140 [ 1705.497427][ T72] inet6_rtm_newroute+0x104/0x110 [ 1705.497427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.497427][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.497427][ T72] netlink_unicast+0x449/0x710 [ 1705.497427][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.497427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.497427][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.497427][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.497427][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.497427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.497427][ T72] [ 1705.499312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1705.499312][ T72] dst_init+0x84/0x4a0 [ 1705.499312][ T72] dst_alloc+0x97/0x150 [ 1705.499312][ T72] ip6_dst_alloc+0x23/0x90 [ 1705.499312][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1705.499312][ T72] ip6_pol_route+0x56f/0x840 [ 1705.499312][ T72] fib6_rule_lookup+0x456/0x630 [ 1705.499312][ T72] ip6_route_input+0x59c/0xa50 [ 1705.499312][ T72] ipv6_rcv+0x397/0x810 [ 1705.499312][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1705.499312][ T72] process_backlog+0x101/0x620 [ 1705.499312][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1705.499312][ T72] net_rx_action+0x495/0xbe0 [ 1705.499312][ T72] __do_softirq+0x1b5/0x7f6 [ 1705.499312][ T72] [ 1705.500948][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1705.500948][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.500948][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.500948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.500948][ T72] ip6_route_add+0x1c/0x140 [ 1705.500948][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1705.500948][ T72] inet6_addr_add+0x4f8/0xa40 [ 1705.500948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.500948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.500948][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.500948][ T72] netlink_unicast+0x449/0x710 [ 1705.500948][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.500948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.500948][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.500948][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.500948][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.500948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.500948][ T72] [ 1705.502944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1705.502944][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.502944][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.502944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.502944][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1705.502944][ T72] ipv6_add_addr+0x411/0x2000 [ 1705.502944][ T72] inet6_addr_add+0x30e/0xa40 [ 1705.502944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.502944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.502944][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.502944][ T72] netlink_unicast+0x449/0x710 [ 1705.502944][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.502944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.502944][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.502944][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.502944][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.502944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.502944][ T72] [ 1705.504941][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1705.504941][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.504941][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.504941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.504941][ T72] ip6_route_add+0x1c/0x140 [ 1705.504941][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.504941][ T72] addrconf_add_dev+0xe2/0x170 [ 1705.504941][ T72] inet6_addr_add+0x12f/0xa40 [ 1705.504941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.504941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.504941][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.504941][ T72] netlink_unicast+0x449/0x710 [ 1705.504941][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.504941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.504941][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.504941][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.504941][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.504941][ T72] [ 1705.506884][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1705.506884][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1705.506884][ T72] ipv6_find_idev+0x102/0x170 [ 1705.506884][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.506884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.506884][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.506884][ T72] netlink_unicast+0x449/0x710 [ 1705.506884][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.506884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.506884][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.506884][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.506884][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.506884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.506884][ T72] [ 1705.508428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1705.508428][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1705.508428][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1705.508428][ T72] ipv6_find_idev+0x102/0x170 [ 1705.508428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.508428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.508428][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.508428][ T72] netlink_unicast+0x449/0x710 [ 1705.508428][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.508428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.508428][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.508428][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.508428][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.508428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.508428][ T72] [ 1705.510110][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1705.510379][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1705.510379][ T72] dst_init+0x84/0x4a0 [ 1705.510379][ T72] dst_alloc+0x97/0x150 [ 1705.510379][ T72] ip6_dst_alloc+0x23/0x90 [ 1705.510379][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1705.510379][ T72] ip6_pol_route+0x56f/0x840 [ 1705.510379][ T72] fib6_rule_lookup+0x456/0x630 [ 1705.510379][ T72] ip6_route_input+0x59c/0xa50 [ 1705.510379][ T72] ipv6_rcv+0x397/0x810 [ 1705.510379][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1705.510379][ T72] process_backlog+0x101/0x620 [ 1705.510379][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1705.510379][ T72] net_rx_action+0x495/0xbe0 [ 1705.510379][ T72] __do_softirq+0x1b5/0x7f6 [ 1705.510379][ T72] [ 1705.512013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1705.512013][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.512013][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.512013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.512013][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1705.512013][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1705.512013][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1705.512013][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1705.512013][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1705.512013][ T72] addrconf_dad_begin+0x310/0x670 [ 1705.512013][ T72] addrconf_dad_work+0x10b/0xab0 [ 1705.512013][ T72] process_one_work+0x84d/0x18a0 [ 1705.512013][ T72] worker_thread+0x587/0xd30 [ 1705.512013][ T72] kthread+0x28a/0x350 [ 1705.512013][ T72] ret_from_fork+0x31/0x70 [ 1705.512013][ T72] ret_from_fork_asm+0x1a/0x30 [ 1705.512013][ T72] [ 1705.513905][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1705.513905][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.513905][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.513905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.513905][ T72] ip6_route_add+0x1c/0x140 [ 1705.513905][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1705.513905][ T72] inet6_addr_add+0x4f8/0xa40 [ 1705.513905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.513905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.513905][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.513905][ T72] netlink_unicast+0x449/0x710 [ 1705.513905][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.513905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.513905][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.513905][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.513905][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.513905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.513905][ T72] [ 1705.515882][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1705.515882][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.515882][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.515882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.515882][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1705.515882][ T72] ipv6_add_addr+0x411/0x2000 [ 1705.515882][ T72] inet6_addr_add+0x30e/0xa40 [ 1705.515882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.515882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.515882][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.515882][ T72] netlink_unicast+0x449/0x710 [ 1705.515882][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.515882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.515882][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.515882][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.515882][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.515882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.515882][ T72] [ 1705.517854][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1705.517854][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.517854][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.517854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.517854][ T72] ip6_route_add+0x1c/0x140 [ 1705.517854][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.517854][ T72] addrconf_add_dev+0xe2/0x170 [ 1705.517854][ T72] inet6_addr_add+0x12f/0xa40 [ 1705.517854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.517854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.517854][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.517854][ T72] netlink_unicast+0x449/0x710 [ 1705.517854][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.517854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.517854][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.517854][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.517854][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.517854][ T72] [ 1705.519843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1705.519843][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1705.519843][ T72] ipv6_find_idev+0x102/0x170 [ 1705.519843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.519843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.519843][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.519843][ T72] netlink_unicast+0x449/0x710 [ 1705.519843][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.519843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.519843][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.519843][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.519843][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.519843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.519843][ T72] [ 1705.521373][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1705.521373][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1705.521373][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1705.521373][ T72] ipv6_find_idev+0x102/0x170 [ 1705.521373][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.521373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.521373][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.521373][ T72] netlink_unicast+0x449/0x710 [ 1705.521373][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.521373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.521373][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.521373][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.521373][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.521373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.521373][ T72] [ 1705.523102][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1705.523435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1705.523435][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1705.523435][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1705.523435][ T72] fib6_nh_init+0xa22/0x1580 [ 1705.523435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.523435][ T72] ip6_route_add+0x1c/0x140 [ 1705.523435][ T72] inet6_rtm_newroute+0x104/0x110 [ 1705.523435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.523435][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.523435][ T72] netlink_unicast+0x449/0x710 [ 1705.523435][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.523435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.523435][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.523435][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.523435][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.523435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.523435][ T72] [ 1705.525480][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1705.525480][ T72] dst_init+0x84/0x4a0 [ 1705.525480][ T72] dst_alloc+0x97/0x150 [ 1705.525480][ T72] ip6_dst_alloc+0x23/0x90 [ 1705.525480][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1705.525480][ T72] ip6_pol_route+0x56f/0x840 [ 1705.525480][ T72] fib6_rule_lookup+0x456/0x630 [ 1705.525480][ T72] ip6_route_input+0x59c/0xa50 [ 1705.525480][ T72] ipv6_rcv+0x397/0x810 [ 1705.525480][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1705.525480][ T72] process_backlog+0x101/0x620 [ 1705.525480][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1705.525480][ T72] net_rx_action+0x495/0xbe0 [ 1705.525480][ T72] __do_softirq+0x1b5/0x7f6 [ 1705.525480][ T72] [ 1705.527283][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1705.527283][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.527283][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.527283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.527283][ T72] ip6_route_add+0x1c/0x140 [ 1705.527283][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1705.527283][ T72] inet6_addr_add+0x4f8/0xa40 [ 1705.527283][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.527283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.527283][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.527283][ T72] netlink_unicast+0x449/0x710 [ 1705.527283][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.527283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.527283][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.527283][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.527283][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.527283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.527283][ T72] [ 1705.529508][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1705.529508][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.529508][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.529508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.529508][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1705.529508][ T72] ipv6_add_addr+0x411/0x2000 [ 1705.529508][ T72] inet6_addr_add+0x30e/0xa40 [ 1705.529508][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.529508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.529508][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.529508][ T72] netlink_unicast+0x449/0x710 [ 1705.529508][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.529508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.529508][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.529508][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.529508][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.529508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.529508][ T72] [ 1705.531688][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1705.531688][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.531688][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.531688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.531688][ T72] ip6_route_add+0x1c/0x140 [ 1705.531688][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.531688][ T72] addrconf_add_dev+0xe2/0x170 [ 1705.531688][ T72] inet6_addr_add+0x12f/0xa40 [ 1705.531688][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.531688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.531688][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.531688][ T72] netlink_unicast+0x449/0x710 [ 1705.531688][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.531688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.531688][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.531688][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.531688][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.531688][ T72] [ 1705.533948][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1705.533948][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1705.533948][ T72] ipv6_find_idev+0x102/0x170 [ 1705.533948][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.533948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.533948][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.533948][ T72] netlink_unicast+0x449/0x710 [ 1705.533948][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.533948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.533948][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.533948][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.533948][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.533948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.533948][ T72] [ 1705.535653][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1705.535653][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1705.535653][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1705.535653][ T72] ipv6_find_idev+0x102/0x170 [ 1705.535653][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.535653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.535653][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.535653][ T72] netlink_unicast+0x449/0x710 [ 1705.535653][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.535653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.535653][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.535653][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.535653][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.535653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.535653][ T72] [ 1705.537515][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1705.537848][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1705.537848][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.537848][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.537848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.537848][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1705.537848][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1705.537848][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1705.537848][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1705.537848][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1705.537848][ T72] addrconf_dad_begin+0x310/0x670 [ 1705.537848][ T72] addrconf_dad_work+0x10b/0xab0 [ 1705.537848][ T72] process_one_work+0x84d/0x18a0 [ 1705.537848][ T72] worker_thread+0x587/0xd30 [ 1705.537848][ T72] kthread+0x28a/0x350 [ 1705.537848][ T72] ret_from_fork+0x31/0x70 [ 1705.537848][ T72] ret_from_fork_asm+0x1a/0x30 [ 1705.537848][ T72] [ 1705.539928][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1705.539928][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.539928][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.539928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.539928][ T72] ip6_route_add+0x1c/0x140 [ 1705.539928][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1705.539928][ T72] inet6_addr_add+0x4f8/0xa40 [ 1705.539928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.539928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.539928][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.539928][ T72] netlink_unicast+0x449/0x710 [ 1705.539928][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.539928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.539928][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.539928][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.539928][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.539928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.539928][ T72] [ 1705.542146][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1705.542146][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.542146][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.542146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.542146][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1705.542146][ T72] ipv6_add_addr+0x411/0x2000 [ 1705.542146][ T72] inet6_addr_add+0x30e/0xa40 [ 1705.542146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.542146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.542146][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.542146][ T72] netlink_unicast+0x449/0x710 [ 1705.542146][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.542146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.542146][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.542146][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.542146][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.542146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.542146][ T72] [ 1705.544429][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1705.544429][ T72] netdev_get_by_index+0x5e/0x80 [ 1705.544429][ T72] fib6_nh_init+0x3d8/0x1580 [ 1705.544429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1705.544429][ T72] ip6_route_add+0x1c/0x140 [ 1705.544429][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.544429][ T72] addrconf_add_dev+0xe2/0x170 [ 1705.544429][ T72] inet6_addr_add+0x12f/0xa40 [ 1705.544429][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.544429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.544429][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.544429][ T72] netlink_unicast+0x449/0x710 [ 1705.544429][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.544429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.544429][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.544429][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.544429][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.544429][ T72] [ 1705.546614][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1705.546614][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1705.546614][ T72] ipv6_find_idev+0x102/0x170 [ 1705.546614][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.546614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.546614][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.546614][ T72] netlink_unicast+0x449/0x710 [ 1705.546614][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.546614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.546614][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.546614][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.546614][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.546614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.546614][ T72] [ 1705.548317][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1705.548317][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1705.548317][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1705.548317][ T72] ipv6_find_idev+0x102/0x170 [ 1705.548317][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.548317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.548317][ T72] netlink_rcv_skb+0x130/0x360 [ 1705.548317][ T72] netlink_unicast+0x449/0x710 [ 1705.548317][ T72] netlink_sendmsg+0x723/0xbe0 [ 1705.548317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1705.548317][ T72] ___sys_sendmsg+0xee/0x170 [ 1705.548317][ T72] __sys_sendmsg+0xcd/0x170 [ 1705.548317][ T72] do_syscall_64+0xc6/0x1e0 [ 1705.548317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.548317][ T72] [ 1715.800938][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1715.801462][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1715.801462][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1715.801462][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1715.801462][ T72] fib6_nh_init+0xa22/0x1580 [ 1715.801462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.801462][ T72] ip6_route_add+0x1c/0x140 [ 1715.801462][ T72] inet6_rtm_newroute+0x104/0x110 [ 1715.801462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.801462][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.801462][ T72] netlink_unicast+0x449/0x710 [ 1715.801462][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.801462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.801462][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.801462][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.801462][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.801462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.801462][ T72] [ 1715.803379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1715.803379][ T72] dst_init+0x84/0x4a0 [ 1715.803379][ T72] dst_alloc+0x97/0x150 [ 1715.803379][ T72] ip6_dst_alloc+0x23/0x90 [ 1715.803379][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1715.803379][ T72] ip6_pol_route+0x56f/0x840 [ 1715.803379][ T72] fib6_rule_lookup+0x456/0x630 [ 1715.803379][ T72] ip6_route_input+0x59c/0xa50 [ 1715.803379][ T72] ipv6_rcv+0x397/0x810 [ 1715.803379][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1715.803379][ T72] process_backlog+0x101/0x620 [ 1715.803379][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1715.803379][ T72] net_rx_action+0x495/0xbe0 [ 1715.803379][ T72] __do_softirq+0x1b5/0x7f6 [ 1715.803379][ T72] [ 1715.805029][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1715.805029][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.805029][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.805029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.805029][ T72] ip6_route_add+0x1c/0x140 [ 1715.805029][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1715.805029][ T72] inet6_addr_add+0x4f8/0xa40 [ 1715.805029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.805029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.805029][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.805029][ T72] netlink_unicast+0x449/0x710 [ 1715.805029][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.805029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.805029][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.805029][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.805029][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.805029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.805029][ T72] [ 1715.807042][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1715.807042][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.807042][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.807042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.807042][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1715.807042][ T72] ipv6_add_addr+0x411/0x2000 [ 1715.807042][ T72] inet6_addr_add+0x30e/0xa40 [ 1715.807042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.807042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.807042][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.807042][ T72] netlink_unicast+0x449/0x710 [ 1715.807042][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.807042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.807042][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.807042][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.807042][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.807042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.807042][ T72] [ 1715.809054][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1715.809054][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.809054][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.809054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.809054][ T72] ip6_route_add+0x1c/0x140 [ 1715.809054][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.809054][ T72] addrconf_add_dev+0xe2/0x170 [ 1715.809054][ T72] inet6_addr_add+0x12f/0xa40 [ 1715.809054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.809054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.809054][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.809054][ T72] netlink_unicast+0x449/0x710 [ 1715.809054][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.809054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.809054][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.809054][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.809054][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.809054][ T72] [ 1715.811034][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1715.811034][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1715.811034][ T72] ipv6_find_idev+0x102/0x170 [ 1715.811034][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.811034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.811034][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.811034][ T72] netlink_unicast+0x449/0x710 [ 1715.811034][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.811034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.811034][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.811034][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.811034][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.811034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.811034][ T72] [ 1715.812574][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1715.812574][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1715.812574][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1715.812574][ T72] ipv6_find_idev+0x102/0x170 [ 1715.812574][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.812574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.812574][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.812574][ T72] netlink_unicast+0x449/0x710 [ 1715.812574][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.812574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.812574][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.812574][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.812574][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.812574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.812574][ T72] [ 1715.814286][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1715.814563][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1715.814563][ T72] dst_init+0x84/0x4a0 [ 1715.814563][ T72] dst_alloc+0x97/0x150 [ 1715.814563][ T72] ip6_dst_alloc+0x23/0x90 [ 1715.814563][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1715.814563][ T72] ip6_pol_route+0x56f/0x840 [ 1715.814563][ T72] fib6_rule_lookup+0x456/0x630 [ 1715.814563][ T72] ip6_route_input+0x59c/0xa50 [ 1715.814563][ T72] ipv6_rcv+0x397/0x810 [ 1715.814563][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1715.814563][ T72] process_backlog+0x101/0x620 [ 1715.814563][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1715.814563][ T72] net_rx_action+0x495/0xbe0 [ 1715.814563][ T72] __do_softirq+0x1b5/0x7f6 [ 1715.814563][ T72] [ 1715.816208][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1715.816208][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.816208][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.816208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.816208][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1715.816208][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1715.816208][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1715.816208][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1715.816208][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1715.816208][ T72] addrconf_dad_begin+0x310/0x670 [ 1715.816208][ T72] addrconf_dad_work+0x10b/0xab0 [ 1715.816208][ T72] process_one_work+0x84d/0x18a0 [ 1715.816208][ T72] worker_thread+0x587/0xd30 [ 1715.816208][ T72] kthread+0x28a/0x350 [ 1715.816208][ T72] ret_from_fork+0x31/0x70 [ 1715.816208][ T72] ret_from_fork_asm+0x1a/0x30 [ 1715.816208][ T72] [ 1715.818111][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1715.818111][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.818111][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.818111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.818111][ T72] ip6_route_add+0x1c/0x140 [ 1715.818111][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1715.818111][ T72] inet6_addr_add+0x4f8/0xa40 [ 1715.818111][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.818111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.818111][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.818111][ T72] netlink_unicast+0x449/0x710 [ 1715.818111][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.818111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.818111][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.818111][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.818111][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.818111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.818111][ T72] [ 1715.820146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1715.820146][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.820146][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.820146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.820146][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1715.820146][ T72] ipv6_add_addr+0x411/0x2000 [ 1715.820146][ T72] inet6_addr_add+0x30e/0xa40 [ 1715.820146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.820146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.820146][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.820146][ T72] netlink_unicast+0x449/0x710 [ 1715.820146][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.820146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.820146][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.820146][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.820146][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.820146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.820146][ T72] [ 1715.822149][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1715.822149][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.822149][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.822149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.822149][ T72] ip6_route_add+0x1c/0x140 [ 1715.822149][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.822149][ T72] addrconf_add_dev+0xe2/0x170 [ 1715.822149][ T72] inet6_addr_add+0x12f/0xa40 [ 1715.822149][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.822149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.822149][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.822149][ T72] netlink_unicast+0x449/0x710 [ 1715.822149][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.822149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.822149][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.822149][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.822149][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.822149][ T72] [ 1715.824121][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1715.824121][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1715.824121][ T72] ipv6_find_idev+0x102/0x170 [ 1715.824121][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.824121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.824121][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.824121][ T72] netlink_unicast+0x449/0x710 [ 1715.824121][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.824121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.824121][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.824121][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.824121][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.824121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.824121][ T72] [ 1715.825666][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1715.825666][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1715.825666][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1715.825666][ T72] ipv6_find_idev+0x102/0x170 [ 1715.825666][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.825666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.825666][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.825666][ T72] netlink_unicast+0x449/0x710 [ 1715.825666][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.825666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.825666][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.825666][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.825666][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.825666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.825666][ T72] [ 1715.827482][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1715.827754][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1715.827754][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1715.827754][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1715.827754][ T72] fib6_nh_init+0xa22/0x1580 [ 1715.827754][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.827754][ T72] ip6_route_add+0x1c/0x140 [ 1715.827754][ T72] inet6_rtm_newroute+0x104/0x110 [ 1715.827754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.827754][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.827754][ T72] netlink_unicast+0x449/0x710 [ 1715.827754][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.827754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.827754][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.827754][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.827754][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.827754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.827754][ T72] [ 1715.829952][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1715.829952][ T72] dst_init+0x84/0x4a0 [ 1715.829952][ T72] dst_alloc+0x97/0x150 [ 1715.829952][ T72] ip6_dst_alloc+0x23/0x90 [ 1715.829952][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1715.829952][ T72] ip6_pol_route+0x56f/0x840 [ 1715.829952][ T72] fib6_rule_lookup+0x456/0x630 [ 1715.829952][ T72] ip6_route_input+0x59c/0xa50 [ 1715.829952][ T72] ipv6_rcv+0x397/0x810 [ 1715.829952][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1715.829952][ T72] process_backlog+0x101/0x620 [ 1715.829952][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1715.829952][ T72] net_rx_action+0x495/0xbe0 [ 1715.829952][ T72] __do_softirq+0x1b5/0x7f6 [ 1715.829952][ T72] [ 1715.831774][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1715.831774][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.831774][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.831774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.831774][ T72] ip6_route_add+0x1c/0x140 [ 1715.831774][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1715.831774][ T72] inet6_addr_add+0x4f8/0xa40 [ 1715.831774][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.831774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.831774][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.831774][ T72] netlink_unicast+0x449/0x710 [ 1715.831774][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.831774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.831774][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.831774][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.831774][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.831774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.831774][ T72] [ 1715.834026][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1715.834026][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.834026][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.834026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.834026][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1715.834026][ T72] ipv6_add_addr+0x411/0x2000 [ 1715.834026][ T72] inet6_addr_add+0x30e/0xa40 [ 1715.834026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.834026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.834026][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.834026][ T72] netlink_unicast+0x449/0x710 [ 1715.834026][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.834026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.834026][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.834026][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.834026][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.834026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.834026][ T72] [ 1715.836207][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1715.836207][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.836207][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.836207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.836207][ T72] ip6_route_add+0x1c/0x140 [ 1715.836207][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.836207][ T72] addrconf_add_dev+0xe2/0x170 [ 1715.836207][ T72] inet6_addr_add+0x12f/0xa40 [ 1715.836207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.836207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.836207][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.836207][ T72] netlink_unicast+0x449/0x710 [ 1715.836207][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.836207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.836207][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.836207][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.836207][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.836207][ T72] [ 1715.838493][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1715.838493][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1715.838493][ T72] ipv6_find_idev+0x102/0x170 [ 1715.838493][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.838493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.838493][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.838493][ T72] netlink_unicast+0x449/0x710 [ 1715.838493][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.838493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.838493][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.838493][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.838493][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.838493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.838493][ T72] [ 1715.840225][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1715.840225][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1715.840225][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1715.840225][ T72] ipv6_find_idev+0x102/0x170 [ 1715.840225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.840225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.840225][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.840225][ T72] netlink_unicast+0x449/0x710 [ 1715.840225][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.840225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.840225][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.840225][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.840225][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.840225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.840225][ T72] [ 1715.842106][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1715.842450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1715.842450][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.842450][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.842450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.842450][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1715.842450][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1715.842450][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1715.842450][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1715.842450][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1715.842450][ T72] addrconf_dad_begin+0x310/0x670 [ 1715.842450][ T72] addrconf_dad_work+0x10b/0xab0 [ 1715.842450][ T72] process_one_work+0x84d/0x18a0 [ 1715.842450][ T72] worker_thread+0x587/0xd30 [ 1715.842450][ T72] kthread+0x28a/0x350 [ 1715.842450][ T72] ret_from_fork+0x31/0x70 [ 1715.842450][ T72] ret_from_fork_asm+0x1a/0x30 [ 1715.842450][ T72] [ 1715.844489][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1715.844489][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.844489][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.844489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.844489][ T72] ip6_route_add+0x1c/0x140 [ 1715.844489][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1715.844489][ T72] inet6_addr_add+0x4f8/0xa40 [ 1715.844489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.844489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.844489][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.844489][ T72] netlink_unicast+0x449/0x710 [ 1715.844489][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.844489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.844489][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.844489][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.844489][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.844489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.844489][ T72] [ 1715.846735][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1715.846735][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.846735][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.846735][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.846735][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1715.846735][ T72] ipv6_add_addr+0x411/0x2000 [ 1715.846735][ T72] inet6_addr_add+0x30e/0xa40 [ 1715.846735][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.846735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.846735][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.846735][ T72] netlink_unicast+0x449/0x710 [ 1715.846735][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.846735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.846735][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.846735][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.846735][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.846735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.846735][ T72] [ 1715.849042][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1715.849042][ T72] netdev_get_by_index+0x5e/0x80 [ 1715.849042][ T72] fib6_nh_init+0x3d8/0x1580 [ 1715.849042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1715.849042][ T72] ip6_route_add+0x1c/0x140 [ 1715.849042][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.849042][ T72] addrconf_add_dev+0xe2/0x170 [ 1715.849042][ T72] inet6_addr_add+0x12f/0xa40 [ 1715.849042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.849042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.849042][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.849042][ T72] netlink_unicast+0x449/0x710 [ 1715.849042][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.849042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.849042][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.849042][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.849042][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.849042][ T72] [ 1715.851258][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1715.851258][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1715.851258][ T72] ipv6_find_idev+0x102/0x170 [ 1715.851258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.851258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.851258][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.851258][ T72] netlink_unicast+0x449/0x710 [ 1715.851258][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.851258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.851258][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.851258][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.851258][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.851258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.851258][ T72] [ 1715.852984][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1715.852984][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1715.852984][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1715.852984][ T72] ipv6_find_idev+0x102/0x170 [ 1715.852984][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.852984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.852984][ T72] netlink_rcv_skb+0x130/0x360 [ 1715.852984][ T72] netlink_unicast+0x449/0x710 [ 1715.852984][ T72] netlink_sendmsg+0x723/0xbe0 [ 1715.852984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1715.852984][ T72] ___sys_sendmsg+0xee/0x170 [ 1715.852984][ T72] __sys_sendmsg+0xcd/0x170 [ 1715.852984][ T72] do_syscall_64+0xc6/0x1e0 [ 1715.852984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.852984][ T72] [ 1726.104924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1726.105448][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1726.105448][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1726.105448][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1726.105448][ T72] fib6_nh_init+0xa22/0x1580 [ 1726.105448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.105448][ T72] ip6_route_add+0x1c/0x140 [ 1726.105448][ T72] inet6_rtm_newroute+0x104/0x110 [ 1726.105448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.105448][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.105448][ T72] netlink_unicast+0x449/0x710 [ 1726.105448][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.105448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.105448][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.105448][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.105448][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.105448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.105448][ T72] [ 1726.107361][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1726.107361][ T72] dst_init+0x84/0x4a0 [ 1726.107361][ T72] dst_alloc+0x97/0x150 [ 1726.107361][ T72] ip6_dst_alloc+0x23/0x90 [ 1726.107361][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1726.107361][ T72] ip6_pol_route+0x56f/0x840 [ 1726.107361][ T72] fib6_rule_lookup+0x456/0x630 [ 1726.107361][ T72] ip6_route_input+0x59c/0xa50 [ 1726.107361][ T72] ipv6_rcv+0x397/0x810 [ 1726.107361][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1726.107361][ T72] process_backlog+0x101/0x620 [ 1726.107361][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1726.107361][ T72] net_rx_action+0x495/0xbe0 [ 1726.107361][ T72] __do_softirq+0x1b5/0x7f6 [ 1726.107361][ T72] [ 1726.109011][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1726.109011][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.109011][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.109011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.109011][ T72] ip6_route_add+0x1c/0x140 [ 1726.109011][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1726.109011][ T72] inet6_addr_add+0x4f8/0xa40 [ 1726.109011][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.109011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.109011][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.109011][ T72] netlink_unicast+0x449/0x710 [ 1726.109011][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.109011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.109011][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.109011][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.109011][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.109011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.109011][ T72] [ 1726.111067][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1726.111067][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.111067][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.111067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.111067][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1726.111067][ T72] ipv6_add_addr+0x411/0x2000 [ 1726.111067][ T72] inet6_addr_add+0x30e/0xa40 [ 1726.111067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.111067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.111067][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.111067][ T72] netlink_unicast+0x449/0x710 [ 1726.111067][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.111067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.111067][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.111067][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.111067][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.111067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.111067][ T72] [ 1726.113077][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1726.113077][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.113077][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.113077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.113077][ T72] ip6_route_add+0x1c/0x140 [ 1726.113077][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1726.113077][ T72] addrconf_add_dev+0xe2/0x170 [ 1726.113077][ T72] inet6_addr_add+0x12f/0xa40 [ 1726.113077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.113077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.113077][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.113077][ T72] netlink_unicast+0x449/0x710 [ 1726.113077][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.113077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.113077][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.113077][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.113077][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.113077][ T72] [ 1726.115066][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1726.115066][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1726.115066][ T72] ipv6_find_idev+0x102/0x170 [ 1726.115066][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.115066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.115066][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.115066][ T72] netlink_unicast+0x449/0x710 [ 1726.115066][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.115066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.115066][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.115066][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.115066][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.115066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.115066][ T72] [ 1726.116612][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1726.116612][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1726.116612][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1726.116612][ T72] ipv6_find_idev+0x102/0x170 [ 1726.116612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.116612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.116612][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.116612][ T72] netlink_unicast+0x449/0x710 [ 1726.116612][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.116612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.116612][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.116612][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.116612][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.116612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.116612][ T72] [ 1726.118326][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1726.118602][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1726.118602][ T72] dst_init+0x84/0x4a0 [ 1726.118602][ T72] dst_alloc+0x97/0x150 [ 1726.118602][ T72] ip6_dst_alloc+0x23/0x90 [ 1726.118602][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1726.118602][ T72] ip6_pol_route+0x56f/0x840 [ 1726.118602][ T72] fib6_rule_lookup+0x456/0x630 [ 1726.118602][ T72] ip6_route_input+0x59c/0xa50 [ 1726.118602][ T72] ipv6_rcv+0x397/0x810 [ 1726.118602][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1726.118602][ T72] process_backlog+0x101/0x620 [ 1726.118602][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1726.118602][ T72] net_rx_action+0x495/0xbe0 [ 1726.118602][ T72] __do_softirq+0x1b5/0x7f6 [ 1726.118602][ T72] [ 1726.120256][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1726.120256][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.120256][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.120256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.120256][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1726.120256][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1726.120256][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1726.120256][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1726.120256][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1726.120256][ T72] addrconf_dad_begin+0x310/0x670 [ 1726.120256][ T72] addrconf_dad_work+0x10b/0xab0 [ 1726.120256][ T72] process_one_work+0x84d/0x18a0 [ 1726.120256][ T72] worker_thread+0x587/0xd30 [ 1726.120256][ T72] kthread+0x28a/0x350 [ 1726.120256][ T72] ret_from_fork+0x31/0x70 [ 1726.120256][ T72] ret_from_fork_asm+0x1a/0x30 [ 1726.120256][ T72] [ 1726.122167][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1726.122167][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.122167][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.122167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.122167][ T72] ip6_route_add+0x1c/0x140 [ 1726.122167][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1726.122167][ T72] inet6_addr_add+0x4f8/0xa40 [ 1726.122167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.122167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.122167][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.122167][ T72] netlink_unicast+0x449/0x710 [ 1726.122167][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.122167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.122167][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.122167][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.122167][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.122167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.122167][ T72] [ 1726.124165][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1726.124165][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.124165][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.124165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.124165][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1726.124165][ T72] ipv6_add_addr+0x411/0x2000 [ 1726.124165][ T72] inet6_addr_add+0x30e/0xa40 [ 1726.124165][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.124165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.124165][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.124165][ T72] netlink_unicast+0x449/0x710 [ 1726.124165][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.124165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.124165][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.124165][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.124165][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.124165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.124165][ T72] [ 1726.126167][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1726.126167][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.126167][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.126167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.126167][ T72] ip6_route_add+0x1c/0x140 [ 1726.126167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1726.126167][ T72] addrconf_add_dev+0xe2/0x170 [ 1726.126167][ T72] inet6_addr_add+0x12f/0xa40 [ 1726.126167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.126167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.126167][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.126167][ T72] netlink_unicast+0x449/0x710 [ 1726.126167][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.126167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.126167][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.126167][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.126167][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.126167][ T72] [ 1726.128127][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1726.128127][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1726.128127][ T72] ipv6_find_idev+0x102/0x170 [ 1726.128127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.128127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.128127][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.128127][ T72] netlink_unicast+0x449/0x710 [ 1726.128127][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.128127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.128127][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.128127][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.128127][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.128127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.128127][ T72] [ 1726.129684][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1726.129684][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1726.129684][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1726.129684][ T72] ipv6_find_idev+0x102/0x170 [ 1726.129684][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.129684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.129684][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.129684][ T72] netlink_unicast+0x449/0x710 [ 1726.129684][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.129684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.129684][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.129684][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.129684][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.129684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.129684][ T72] [ 1726.131506][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1726.131774][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1726.131774][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1726.131774][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1726.131774][ T72] fib6_nh_init+0xa22/0x1580 [ 1726.131774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.131774][ T72] ip6_route_add+0x1c/0x140 [ 1726.131774][ T72] inet6_rtm_newroute+0x104/0x110 [ 1726.131774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.131774][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.131774][ T72] netlink_unicast+0x449/0x710 [ 1726.131774][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.131774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.131774][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.131774][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.131774][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.131774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.131774][ T72] [ 1726.133954][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1726.133954][ T72] dst_init+0x84/0x4a0 [ 1726.133954][ T72] dst_alloc+0x97/0x150 [ 1726.133954][ T72] ip6_dst_alloc+0x23/0x90 [ 1726.133954][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1726.133954][ T72] ip6_pol_route+0x56f/0x840 [ 1726.133954][ T72] fib6_rule_lookup+0x456/0x630 [ 1726.133954][ T72] ip6_route_input+0x59c/0xa50 [ 1726.133954][ T72] ipv6_rcv+0x397/0x810 [ 1726.133954][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1726.133954][ T72] process_backlog+0x101/0x620 [ 1726.133954][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1726.133954][ T72] net_rx_action+0x495/0xbe0 [ 1726.133954][ T72] __do_softirq+0x1b5/0x7f6 [ 1726.133954][ T72] [ 1726.135768][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1726.135768][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.135768][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.135768][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.135768][ T72] ip6_route_add+0x1c/0x140 [ 1726.135768][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1726.135768][ T72] inet6_addr_add+0x4f8/0xa40 [ 1726.135768][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.135768][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.135768][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.135768][ T72] netlink_unicast+0x449/0x710 [ 1726.135768][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.135768][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.135768][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.135768][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.135768][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.135768][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.135768][ T72] [ 1726.137946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1726.137946][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.137946][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.137946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.137946][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1726.137946][ T72] ipv6_add_addr+0x411/0x2000 [ 1726.137946][ T72] inet6_addr_add+0x30e/0xa40 [ 1726.137946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.137946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.137946][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.137946][ T72] netlink_unicast+0x449/0x710 [ 1726.137946][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.137946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.137946][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.137946][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.137946][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.137946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.137946][ T72] [ 1726.140087][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1726.140087][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.140087][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.140087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.140087][ T72] ip6_route_add+0x1c/0x140 [ 1726.140087][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1726.140087][ T72] addrconf_add_dev+0xe2/0x170 [ 1726.140087][ T72] inet6_addr_add+0x12f/0xa40 [ 1726.140087][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.140087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.140087][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.140087][ T72] netlink_unicast+0x449/0x710 [ 1726.140087][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.140087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.140087][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.140087][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.140087][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.140087][ T72] [ 1726.142192][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1726.142192][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1726.142192][ T72] ipv6_find_idev+0x102/0x170 [ 1726.142192][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.142192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.142192][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.142192][ T72] netlink_unicast+0x449/0x710 [ 1726.142192][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.142192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.142192][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.142192][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.142192][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.142192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.142192][ T72] [ 1726.143792][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1726.143792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1726.143792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1726.143792][ T72] ipv6_find_idev+0x102/0x170 [ 1726.143792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.143792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.143792][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.143792][ T72] netlink_unicast+0x449/0x710 [ 1726.143792][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.143792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.143792][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.143792][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.143792][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.143792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.143792][ T72] [ 1726.145599][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1726.146317][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1726.146317][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.146317][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.146317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.146317][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1726.146317][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1726.146317][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1726.146317][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1726.146317][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1726.146317][ T72] addrconf_dad_begin+0x310/0x670 [ 1726.146317][ T72] addrconf_dad_work+0x10b/0xab0 [ 1726.146317][ T72] process_one_work+0x84d/0x18a0 [ 1726.146317][ T72] worker_thread+0x587/0xd30 [ 1726.146317][ T72] kthread+0x28a/0x350 [ 1726.146317][ T72] ret_from_fork+0x31/0x70 [ 1726.146317][ T72] ret_from_fork_asm+0x1a/0x30 [ 1726.146317][ T72] [ 1726.148241][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1726.148241][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.148241][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.148241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.148241][ T72] ip6_route_add+0x1c/0x140 [ 1726.148241][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1726.148241][ T72] inet6_addr_add+0x4f8/0xa40 [ 1726.148241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.148241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.148241][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.148241][ T72] netlink_unicast+0x449/0x710 [ 1726.148241][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.148241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.148241][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.148241][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.148241][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.148241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.148241][ T72] [ 1726.150318][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1726.150318][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.150318][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.150318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.150318][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1726.150318][ T72] ipv6_add_addr+0x411/0x2000 [ 1726.150318][ T72] inet6_addr_add+0x30e/0xa40 [ 1726.150318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.150318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.150318][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.150318][ T72] netlink_unicast+0x449/0x710 [ 1726.150318][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.150318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.150318][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.150318][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.150318][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.150318][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.150318][ T72] [ 1726.152448][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1726.152448][ T72] netdev_get_by_index+0x5e/0x80 [ 1726.152448][ T72] fib6_nh_init+0x3d8/0x1580 [ 1726.152448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1726.152448][ T72] ip6_route_add+0x1c/0x140 [ 1726.152448][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1726.152448][ T72] addrconf_add_dev+0xe2/0x170 [ 1726.152448][ T72] inet6_addr_add+0x12f/0xa40 [ 1726.152448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1726.152448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.152448][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.152448][ T72] netlink_unicast+0x449/0x710 [ 1726.152448][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.152448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.152448][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.152448][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.152448][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.152448][ T72] [ 1726.154575][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1726.154575][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1726.154575][ T72] ipv6_find_idev+0x102/0x170 [ 1726.154575][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.154575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.154575][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.154575][ T72] netlink_unicast+0x449/0x710 [ 1726.154575][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.154575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.154575][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.154575][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.154575][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.154575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.154575][ T72] [ 1726.156189][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1726.156189][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1726.156189][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1726.156189][ T72] ipv6_find_idev+0x102/0x170 [ 1726.156189][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1726.156189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1726.156189][ T72] netlink_rcv_skb+0x130/0x360 [ 1726.156189][ T72] netlink_unicast+0x449/0x710 [ 1726.156189][ T72] netlink_sendmsg+0x723/0xbe0 [ 1726.156189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1726.156189][ T72] ___sys_sendmsg+0xee/0x170 [ 1726.156189][ T72] __sys_sendmsg+0xcd/0x170 [ 1726.156189][ T72] do_syscall_64+0xc6/0x1e0 [ 1726.156189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1726.156189][ T72] [ 1736.408902][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1736.409426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1736.409426][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1736.409426][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1736.409426][ T72] fib6_nh_init+0xa22/0x1580 [ 1736.409426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.409426][ T72] ip6_route_add+0x1c/0x140 [ 1736.409426][ T72] inet6_rtm_newroute+0x104/0x110 [ 1736.409426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.409426][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.409426][ T72] netlink_unicast+0x449/0x710 [ 1736.409426][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.409426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.409426][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.409426][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.409426][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.409426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.409426][ T72] [ 1736.411345][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1736.411345][ T72] dst_init+0x84/0x4a0 [ 1736.411345][ T72] dst_alloc+0x97/0x150 [ 1736.411345][ T72] ip6_dst_alloc+0x23/0x90 [ 1736.411345][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1736.411345][ T72] ip6_pol_route+0x56f/0x840 [ 1736.411345][ T72] fib6_rule_lookup+0x456/0x630 [ 1736.411345][ T72] ip6_route_input+0x59c/0xa50 [ 1736.411345][ T72] ipv6_rcv+0x397/0x810 [ 1736.411345][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1736.411345][ T72] process_backlog+0x101/0x620 [ 1736.411345][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1736.411345][ T72] net_rx_action+0x495/0xbe0 [ 1736.411345][ T72] __do_softirq+0x1b5/0x7f6 [ 1736.411345][ T72] [ 1736.412991][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1736.412991][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.412991][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.412991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.412991][ T72] ip6_route_add+0x1c/0x140 [ 1736.412991][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1736.412991][ T72] inet6_addr_add+0x4f8/0xa40 [ 1736.412991][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.412991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.412991][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.412991][ T72] netlink_unicast+0x449/0x710 [ 1736.412991][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.412991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.412991][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.412991][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.412991][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.412991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.412991][ T72] [ 1736.414992][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1736.414992][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.414992][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.414992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.414992][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1736.414992][ T72] ipv6_add_addr+0x411/0x2000 [ 1736.414992][ T72] inet6_addr_add+0x30e/0xa40 [ 1736.414992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.414992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.414992][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.414992][ T72] netlink_unicast+0x449/0x710 [ 1736.414992][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.414992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.414992][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.414992][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.414992][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.414992][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.414992][ T72] [ 1736.417015][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1736.417015][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.417015][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.417015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.417015][ T72] ip6_route_add+0x1c/0x140 [ 1736.417015][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1736.417015][ T72] addrconf_add_dev+0xe2/0x170 [ 1736.417015][ T72] inet6_addr_add+0x12f/0xa40 [ 1736.417015][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.417015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.417015][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.417015][ T72] netlink_unicast+0x449/0x710 [ 1736.417015][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.417015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.417015][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.417015][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.417015][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.417015][ T72] [ 1736.418987][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1736.418987][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1736.418987][ T72] ipv6_find_idev+0x102/0x170 [ 1736.418987][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.418987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.418987][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.418987][ T72] netlink_unicast+0x449/0x710 [ 1736.418987][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.418987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.418987][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.418987][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.418987][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.418987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.418987][ T72] [ 1736.421077][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1736.421077][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1736.421077][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1736.421077][ T72] ipv6_find_idev+0x102/0x170 [ 1736.421077][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.421077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.421077][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.421077][ T72] netlink_unicast+0x449/0x710 [ 1736.421077][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.421077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.421077][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.421077][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.421077][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.421077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.421077][ T72] [ 1736.422798][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1736.423080][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1736.423080][ T72] dst_init+0x84/0x4a0 [ 1736.423080][ T72] dst_alloc+0x97/0x150 [ 1736.423080][ T72] ip6_dst_alloc+0x23/0x90 [ 1736.423080][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1736.423080][ T72] ip6_pol_route+0x56f/0x840 [ 1736.423080][ T72] fib6_rule_lookup+0x456/0x630 [ 1736.423080][ T72] ip6_route_input+0x59c/0xa50 [ 1736.423080][ T72] ipv6_rcv+0x397/0x810 [ 1736.423080][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1736.423080][ T72] process_backlog+0x101/0x620 [ 1736.423080][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1736.423080][ T72] net_rx_action+0x495/0xbe0 [ 1736.423080][ T72] __do_softirq+0x1b5/0x7f6 [ 1736.423080][ T72] [ 1736.424723][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1736.424723][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.424723][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.424723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.424723][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1736.424723][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1736.424723][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1736.424723][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1736.424723][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1736.424723][ T72] addrconf_dad_begin+0x310/0x670 [ 1736.424723][ T72] addrconf_dad_work+0x10b/0xab0 [ 1736.424723][ T72] process_one_work+0x84d/0x18a0 [ 1736.424723][ T72] worker_thread+0x587/0xd30 [ 1736.424723][ T72] kthread+0x28a/0x350 [ 1736.424723][ T72] ret_from_fork+0x31/0x70 [ 1736.424723][ T72] ret_from_fork_asm+0x1a/0x30 [ 1736.424723][ T72] [ 1736.426641][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1736.426641][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.426641][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.426641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.426641][ T72] ip6_route_add+0x1c/0x140 [ 1736.426641][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1736.426641][ T72] inet6_addr_add+0x4f8/0xa40 [ 1736.426641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.426641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.426641][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.426641][ T72] netlink_unicast+0x449/0x710 [ 1736.426641][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.426641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.426641][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.426641][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.426641][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.426641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.426641][ T72] [ 1736.428641][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1736.428641][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.428641][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.428641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.428641][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1736.428641][ T72] ipv6_add_addr+0x411/0x2000 [ 1736.428641][ T72] inet6_addr_add+0x30e/0xa40 [ 1736.428641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.428641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.428641][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.428641][ T72] netlink_unicast+0x449/0x710 [ 1736.428641][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.428641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.428641][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.428641][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.428641][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.428641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.428641][ T72] [ 1736.430657][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1736.430657][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.430657][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.430657][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.430657][ T72] ip6_route_add+0x1c/0x140 [ 1736.430657][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1736.430657][ T72] addrconf_add_dev+0xe2/0x170 [ 1736.430657][ T72] inet6_addr_add+0x12f/0xa40 [ 1736.430657][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.430657][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.430657][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.430657][ T72] netlink_unicast+0x449/0x710 [ 1736.430657][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.430657][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.430657][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.430657][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.430657][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.430657][ T72] [ 1736.432620][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1736.432620][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1736.432620][ T72] ipv6_find_idev+0x102/0x170 [ 1736.432620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.432620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.432620][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.432620][ T72] netlink_unicast+0x449/0x710 [ 1736.432620][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.432620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.432620][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.432620][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.432620][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.432620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.432620][ T72] [ 1736.434158][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1736.434158][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1736.434158][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1736.434158][ T72] ipv6_find_idev+0x102/0x170 [ 1736.434158][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.434158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.434158][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.434158][ T72] netlink_unicast+0x449/0x710 [ 1736.434158][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.434158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.434158][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.434158][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.434158][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.434158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.434158][ T72] [ 1736.435986][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1736.436255][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1736.436255][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1736.436255][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1736.436255][ T72] fib6_nh_init+0xa22/0x1580 [ 1736.436255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.436255][ T72] ip6_route_add+0x1c/0x140 [ 1736.436255][ T72] inet6_rtm_newroute+0x104/0x110 [ 1736.436255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.436255][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.436255][ T72] netlink_unicast+0x449/0x710 [ 1736.436255][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.436255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.436255][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.436255][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.436255][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.436255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.436255][ T72] [ 1736.438382][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1736.438382][ T72] dst_init+0x84/0x4a0 [ 1736.438382][ T72] dst_alloc+0x97/0x150 [ 1736.438382][ T72] ip6_dst_alloc+0x23/0x90 [ 1736.438382][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1736.438382][ T72] ip6_pol_route+0x56f/0x840 [ 1736.438382][ T72] fib6_rule_lookup+0x456/0x630 [ 1736.438382][ T72] ip6_route_input+0x59c/0xa50 [ 1736.438382][ T72] ipv6_rcv+0x397/0x810 [ 1736.438382][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1736.438382][ T72] process_backlog+0x101/0x620 [ 1736.438382][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1736.438382][ T72] net_rx_action+0x495/0xbe0 [ 1736.438382][ T72] __do_softirq+0x1b5/0x7f6 [ 1736.438382][ T72] [ 1736.440202][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1736.440202][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.440202][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.440202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.440202][ T72] ip6_route_add+0x1c/0x140 [ 1736.440202][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1736.440202][ T72] inet6_addr_add+0x4f8/0xa40 [ 1736.440202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.440202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.440202][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.440202][ T72] netlink_unicast+0x449/0x710 [ 1736.440202][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.440202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.440202][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.440202][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.440202][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.440202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.440202][ T72] [ 1736.442834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1736.442834][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.442834][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.442834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.442834][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1736.442834][ T72] ipv6_add_addr+0x411/0x2000 [ 1736.442834][ T72] inet6_addr_add+0x30e/0xa40 [ 1736.442834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.442834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.442834][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.442834][ T72] netlink_unicast+0x449/0x710 [ 1736.442834][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.442834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.442834][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.442834][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.442834][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.442834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.442834][ T72] [ 1736.445072][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1736.445072][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.445072][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.445072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.445072][ T72] ip6_route_add+0x1c/0x140 [ 1736.445072][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1736.445072][ T72] addrconf_add_dev+0xe2/0x170 [ 1736.445072][ T72] inet6_addr_add+0x12f/0xa40 [ 1736.445072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.445072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.445072][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.445072][ T72] netlink_unicast+0x449/0x710 [ 1736.445072][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.445072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.445072][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.445072][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.445072][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.445072][ T72] [ 1736.447283][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1736.447283][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1736.447283][ T72] ipv6_find_idev+0x102/0x170 [ 1736.447283][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.447283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.447283][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.447283][ T72] netlink_unicast+0x449/0x710 [ 1736.447283][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.447283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.447283][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.447283][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.447283][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.447283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.447283][ T72] [ 1736.449003][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1736.449003][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1736.449003][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1736.449003][ T72] ipv6_find_idev+0x102/0x170 [ 1736.449003][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.449003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.449003][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.449003][ T72] netlink_unicast+0x449/0x710 [ 1736.449003][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.449003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.449003][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.449003][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.449003][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.449003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.449003][ T72] [ 1736.450900][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1736.451248][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1736.451248][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.451248][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.451248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.451248][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1736.451248][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1736.451248][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1736.451248][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1736.451248][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1736.451248][ T72] addrconf_dad_begin+0x310/0x670 [ 1736.451248][ T72] addrconf_dad_work+0x10b/0xab0 [ 1736.451248][ T72] process_one_work+0x84d/0x18a0 [ 1736.451248][ T72] worker_thread+0x587/0xd30 [ 1736.451248][ T72] kthread+0x28a/0x350 [ 1736.451248][ T72] ret_from_fork+0x31/0x70 [ 1736.451248][ T72] ret_from_fork_asm+0x1a/0x30 [ 1736.451248][ T72] [ 1736.453345][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1736.453345][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.453345][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.453345][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.453345][ T72] ip6_route_add+0x1c/0x140 [ 1736.453345][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1736.453345][ T72] inet6_addr_add+0x4f8/0xa40 [ 1736.453345][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.453345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.453345][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.453345][ T72] netlink_unicast+0x449/0x710 [ 1736.453345][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.453345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.453345][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.453345][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.453345][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.453345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.453345][ T72] [ 1736.455589][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1736.455589][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.455589][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.455589][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.455589][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1736.455589][ T72] ipv6_add_addr+0x411/0x2000 [ 1736.455589][ T72] inet6_addr_add+0x30e/0xa40 [ 1736.455589][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.455589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.455589][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.455589][ T72] netlink_unicast+0x449/0x710 [ 1736.455589][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.455589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.455589][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.455589][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.455589][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.455589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.455589][ T72] [ 1736.457835][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1736.457835][ T72] netdev_get_by_index+0x5e/0x80 [ 1736.457835][ T72] fib6_nh_init+0x3d8/0x1580 [ 1736.457835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1736.457835][ T72] ip6_route_add+0x1c/0x140 [ 1736.457835][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1736.457835][ T72] addrconf_add_dev+0xe2/0x170 [ 1736.457835][ T72] inet6_addr_add+0x12f/0xa40 [ 1736.457835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.457835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.457835][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.457835][ T72] netlink_unicast+0x449/0x710 [ 1736.457835][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.457835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.457835][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.457835][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.457835][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.457835][ T72] [ 1736.460054][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1736.460054][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1736.460054][ T72] ipv6_find_idev+0x102/0x170 [ 1736.460054][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.460054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.460054][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.460054][ T72] netlink_unicast+0x449/0x710 [ 1736.460054][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.460054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.460054][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.460054][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.460054][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.460054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.460054][ T72] [ 1736.461779][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1736.461779][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1736.461779][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1736.461779][ T72] ipv6_find_idev+0x102/0x170 [ 1736.461779][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.461779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.461779][ T72] netlink_rcv_skb+0x130/0x360 [ 1736.461779][ T72] netlink_unicast+0x449/0x710 [ 1736.461779][ T72] netlink_sendmsg+0x723/0xbe0 [ 1736.461779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1736.461779][ T72] ___sys_sendmsg+0xee/0x170 [ 1736.461779][ T72] __sys_sendmsg+0xcd/0x170 [ 1736.461779][ T72] do_syscall_64+0xc6/0x1e0 [ 1736.461779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.461779][ T72] [ 1746.704910][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1746.705433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1746.705433][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1746.705433][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1746.705433][ T72] fib6_nh_init+0xa22/0x1580 [ 1746.705433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.705433][ T72] ip6_route_add+0x1c/0x140 [ 1746.705433][ T72] inet6_rtm_newroute+0x104/0x110 [ 1746.705433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.705433][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.705433][ T72] netlink_unicast+0x449/0x710 [ 1746.705433][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.705433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.705433][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.705433][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.705433][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.705433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.705433][ T72] [ 1746.707343][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1746.707343][ T72] dst_init+0x84/0x4a0 [ 1746.707343][ T72] dst_alloc+0x97/0x150 [ 1746.707343][ T72] ip6_dst_alloc+0x23/0x90 [ 1746.707343][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1746.707343][ T72] ip6_pol_route+0x56f/0x840 [ 1746.707343][ T72] fib6_rule_lookup+0x456/0x630 [ 1746.707343][ T72] ip6_route_input+0x59c/0xa50 [ 1746.707343][ T72] ipv6_rcv+0x397/0x810 [ 1746.707343][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1746.707343][ T72] process_backlog+0x101/0x620 [ 1746.707343][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1746.707343][ T72] net_rx_action+0x495/0xbe0 [ 1746.707343][ T72] __do_softirq+0x1b5/0x7f6 [ 1746.707343][ T72] [ 1746.708989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1746.708989][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.708989][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.708989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.708989][ T72] ip6_route_add+0x1c/0x140 [ 1746.708989][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1746.708989][ T72] inet6_addr_add+0x4f8/0xa40 [ 1746.708989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.708989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.708989][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.708989][ T72] netlink_unicast+0x449/0x710 [ 1746.708989][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.708989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.708989][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.708989][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.708989][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.708989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.708989][ T72] [ 1746.711020][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1746.711020][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.711020][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.711020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.711020][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1746.711020][ T72] ipv6_add_addr+0x411/0x2000 [ 1746.711020][ T72] inet6_addr_add+0x30e/0xa40 [ 1746.711020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.711020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.711020][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.711020][ T72] netlink_unicast+0x449/0x710 [ 1746.711020][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.711020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.711020][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.711020][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.711020][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.711020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.711020][ T72] [ 1746.713021][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1746.713021][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.713021][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.713021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.713021][ T72] ip6_route_add+0x1c/0x140 [ 1746.713021][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.713021][ T72] addrconf_add_dev+0xe2/0x170 [ 1746.713021][ T72] inet6_addr_add+0x12f/0xa40 [ 1746.713021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.713021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.713021][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.713021][ T72] netlink_unicast+0x449/0x710 [ 1746.713021][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.713021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.713021][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.713021][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.713021][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.713021][ T72] [ 1746.714985][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1746.714985][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1746.714985][ T72] ipv6_find_idev+0x102/0x170 [ 1746.714985][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.714985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.714985][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.714985][ T72] netlink_unicast+0x449/0x710 [ 1746.714985][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.714985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.714985][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.714985][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.714985][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.714985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.714985][ T72] [ 1746.716526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1746.716526][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1746.716526][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1746.716526][ T72] ipv6_find_idev+0x102/0x170 [ 1746.716526][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.716526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.716526][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.716526][ T72] netlink_unicast+0x449/0x710 [ 1746.716526][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.716526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.716526][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.716526][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.716526][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.716526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.716526][ T72] [ 1746.718236][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1746.718517][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1746.718517][ T72] dst_init+0x84/0x4a0 [ 1746.718517][ T72] dst_alloc+0x97/0x150 [ 1746.718517][ T72] ip6_dst_alloc+0x23/0x90 [ 1746.718517][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1746.718517][ T72] ip6_pol_route+0x56f/0x840 [ 1746.718517][ T72] fib6_rule_lookup+0x456/0x630 [ 1746.718517][ T72] ip6_route_input+0x59c/0xa50 [ 1746.718517][ T72] ipv6_rcv+0x397/0x810 [ 1746.718517][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1746.718517][ T72] process_backlog+0x101/0x620 [ 1746.718517][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1746.718517][ T72] net_rx_action+0x495/0xbe0 [ 1746.718517][ T72] __do_softirq+0x1b5/0x7f6 [ 1746.718517][ T72] [ 1746.720187][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1746.720187][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.720187][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.720187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.720187][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1746.720187][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1746.720187][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1746.720187][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1746.720187][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1746.720187][ T72] addrconf_dad_begin+0x310/0x670 [ 1746.720187][ T72] addrconf_dad_work+0x10b/0xab0 [ 1746.720187][ T72] process_one_work+0x84d/0x18a0 [ 1746.720187][ T72] worker_thread+0x587/0xd30 [ 1746.720187][ T72] kthread+0x28a/0x350 [ 1746.720187][ T72] ret_from_fork+0x31/0x70 [ 1746.720187][ T72] ret_from_fork_asm+0x1a/0x30 [ 1746.720187][ T72] [ 1746.722097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1746.722097][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.722097][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.722097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.722097][ T72] ip6_route_add+0x1c/0x140 [ 1746.722097][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1746.722097][ T72] inet6_addr_add+0x4f8/0xa40 [ 1746.722097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.722097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.722097][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.722097][ T72] netlink_unicast+0x449/0x710 [ 1746.722097][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.722097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.722097][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.722097][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.722097][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.722097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.722097][ T72] [ 1746.724097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1746.724097][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.724097][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.724097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.724097][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1746.724097][ T72] ipv6_add_addr+0x411/0x2000 [ 1746.724097][ T72] inet6_addr_add+0x30e/0xa40 [ 1746.724097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.724097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.724097][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.724097][ T72] netlink_unicast+0x449/0x710 [ 1746.724097][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.724097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.724097][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.724097][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.724097][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.724097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.724097][ T72] [ 1746.726108][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1746.726108][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.726108][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.726108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.726108][ T72] ip6_route_add+0x1c/0x140 [ 1746.726108][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.726108][ T72] addrconf_add_dev+0xe2/0x170 [ 1746.726108][ T72] inet6_addr_add+0x12f/0xa40 [ 1746.726108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.726108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.726108][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.726108][ T72] netlink_unicast+0x449/0x710 [ 1746.726108][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.726108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.726108][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.726108][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.726108][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.726108][ T72] [ 1746.728073][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1746.728073][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1746.728073][ T72] ipv6_find_idev+0x102/0x170 [ 1746.728073][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.728073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.728073][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.728073][ T72] netlink_unicast+0x449/0x710 [ 1746.728073][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.728073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.728073][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.728073][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.728073][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.728073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.728073][ T72] [ 1746.729622][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1746.729622][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1746.729622][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1746.729622][ T72] ipv6_find_idev+0x102/0x170 [ 1746.729622][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.729622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.729622][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.729622][ T72] netlink_unicast+0x449/0x710 [ 1746.729622][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.729622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.729622][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.729622][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.729622][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.729622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.729622][ T72] [ 1746.731451][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1746.731732][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1746.731732][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1746.731732][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1746.731732][ T72] fib6_nh_init+0xa22/0x1580 [ 1746.731732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.731732][ T72] ip6_route_add+0x1c/0x140 [ 1746.731732][ T72] inet6_rtm_newroute+0x104/0x110 [ 1746.731732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.731732][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.731732][ T72] netlink_unicast+0x449/0x710 [ 1746.731732][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.731732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.731732][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.731732][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.731732][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.731732][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.731732][ T72] [ 1746.733928][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1746.733928][ T72] dst_init+0x84/0x4a0 [ 1746.733928][ T72] dst_alloc+0x97/0x150 [ 1746.733928][ T72] ip6_dst_alloc+0x23/0x90 [ 1746.733928][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1746.733928][ T72] ip6_pol_route+0x56f/0x840 [ 1746.733928][ T72] fib6_rule_lookup+0x456/0x630 [ 1746.733928][ T72] ip6_route_input+0x59c/0xa50 [ 1746.733928][ T72] ipv6_rcv+0x397/0x810 [ 1746.733928][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1746.733928][ T72] process_backlog+0x101/0x620 [ 1746.733928][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1746.733928][ T72] net_rx_action+0x495/0xbe0 [ 1746.733928][ T72] __do_softirq+0x1b5/0x7f6 [ 1746.733928][ T72] [ 1746.735749][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1746.735749][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.735749][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.735749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.735749][ T72] ip6_route_add+0x1c/0x140 [ 1746.735749][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1746.735749][ T72] inet6_addr_add+0x4f8/0xa40 [ 1746.735749][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.735749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.735749][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.735749][ T72] netlink_unicast+0x449/0x710 [ 1746.735749][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.735749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.735749][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.735749][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.735749][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.735749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.735749][ T72] [ 1746.737996][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1746.737996][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.737996][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.737996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.737996][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1746.737996][ T72] ipv6_add_addr+0x411/0x2000 [ 1746.737996][ T72] inet6_addr_add+0x30e/0xa40 [ 1746.737996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.737996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.737996][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.737996][ T72] netlink_unicast+0x449/0x710 [ 1746.737996][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.737996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.737996][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.737996][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.737996][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.737996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.737996][ T72] [ 1746.740181][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1746.740181][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.740181][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.740181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.740181][ T72] ip6_route_add+0x1c/0x140 [ 1746.740181][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.740181][ T72] addrconf_add_dev+0xe2/0x170 [ 1746.740181][ T72] inet6_addr_add+0x12f/0xa40 [ 1746.740181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.740181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.740181][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.740181][ T72] netlink_unicast+0x449/0x710 [ 1746.740181][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.740181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.740181][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.740181][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.740181][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.740181][ T72] [ 1746.742389][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1746.742389][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1746.742389][ T72] ipv6_find_idev+0x102/0x170 [ 1746.742389][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.742389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.742389][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.742389][ T72] netlink_unicast+0x449/0x710 [ 1746.742389][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.742389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.742389][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.742389][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.742389][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.742389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.742389][ T72] [ 1746.744173][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1746.744173][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1746.744173][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1746.744173][ T72] ipv6_find_idev+0x102/0x170 [ 1746.744173][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.744173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.744173][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.744173][ T72] netlink_unicast+0x449/0x710 [ 1746.744173][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.744173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.744173][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.744173][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.744173][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.744173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.744173][ T72] [ 1746.746042][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1746.746387][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1746.746387][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.746387][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.746387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.746387][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1746.746387][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1746.746387][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1746.746387][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1746.746387][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1746.746387][ T72] addrconf_dad_begin+0x310/0x670 [ 1746.746387][ T72] addrconf_dad_work+0x10b/0xab0 [ 1746.746387][ T72] process_one_work+0x84d/0x18a0 [ 1746.746387][ T72] worker_thread+0x587/0xd30 [ 1746.746387][ T72] kthread+0x28a/0x350 [ 1746.746387][ T72] ret_from_fork+0x31/0x70 [ 1746.746387][ T72] ret_from_fork_asm+0x1a/0x30 [ 1746.746387][ T72] [ 1746.748417][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1746.748417][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.748417][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.748417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.748417][ T72] ip6_route_add+0x1c/0x140 [ 1746.748417][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1746.748417][ T72] inet6_addr_add+0x4f8/0xa40 [ 1746.748417][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.748417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.748417][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.748417][ T72] netlink_unicast+0x449/0x710 [ 1746.748417][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.748417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.748417][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.748417][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.748417][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.748417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.748417][ T72] [ 1746.750663][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1746.750663][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.750663][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.750663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.750663][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1746.750663][ T72] ipv6_add_addr+0x411/0x2000 [ 1746.750663][ T72] inet6_addr_add+0x30e/0xa40 [ 1746.750663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.750663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.750663][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.750663][ T72] netlink_unicast+0x449/0x710 [ 1746.750663][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.750663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.750663][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.750663][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.750663][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.750663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.750663][ T72] [ 1746.752962][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1746.752962][ T72] netdev_get_by_index+0x5e/0x80 [ 1746.752962][ T72] fib6_nh_init+0x3d8/0x1580 [ 1746.752962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1746.752962][ T72] ip6_route_add+0x1c/0x140 [ 1746.752962][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.752962][ T72] addrconf_add_dev+0xe2/0x170 [ 1746.752962][ T72] inet6_addr_add+0x12f/0xa40 [ 1746.752962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.752962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.752962][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.752962][ T72] netlink_unicast+0x449/0x710 [ 1746.752962][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.752962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.752962][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.752962][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.752962][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.752962][ T72] [ 1746.755165][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1746.755165][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1746.755165][ T72] ipv6_find_idev+0x102/0x170 [ 1746.755165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.755165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.755165][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.755165][ T72] netlink_unicast+0x449/0x710 [ 1746.755165][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.755165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.755165][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.755165][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.755165][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.755165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.755165][ T72] [ 1746.756888][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1746.756888][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1746.756888][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1746.756888][ T72] ipv6_find_idev+0x102/0x170 [ 1746.756888][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.756888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.756888][ T72] netlink_rcv_skb+0x130/0x360 [ 1746.756888][ T72] netlink_unicast+0x449/0x710 [ 1746.756888][ T72] netlink_sendmsg+0x723/0xbe0 [ 1746.756888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1746.756888][ T72] ___sys_sendmsg+0xee/0x170 [ 1746.756888][ T72] __sys_sendmsg+0xcd/0x170 [ 1746.756888][ T72] do_syscall_64+0xc6/0x1e0 [ 1746.756888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.756888][ T72] [ 1757.000934][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1757.001426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1757.001426][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1757.001426][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1757.001426][ T72] fib6_nh_init+0xa22/0x1580 [ 1757.001426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.001426][ T72] ip6_route_add+0x1c/0x140 [ 1757.001426][ T72] inet6_rtm_newroute+0x104/0x110 [ 1757.001426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.001426][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.001426][ T72] netlink_unicast+0x449/0x710 [ 1757.001426][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.001426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.001426][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.001426][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.001426][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.001426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.001426][ T72] [ 1757.003312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1757.003312][ T72] dst_init+0x84/0x4a0 [ 1757.003312][ T72] dst_alloc+0x97/0x150 [ 1757.003312][ T72] ip6_dst_alloc+0x23/0x90 [ 1757.003312][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1757.003312][ T72] ip6_pol_route+0x56f/0x840 [ 1757.003312][ T72] fib6_rule_lookup+0x456/0x630 [ 1757.003312][ T72] ip6_route_input+0x59c/0xa50 [ 1757.003312][ T72] ipv6_rcv+0x397/0x810 [ 1757.003312][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1757.003312][ T72] process_backlog+0x101/0x620 [ 1757.003312][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1757.003312][ T72] net_rx_action+0x495/0xbe0 [ 1757.003312][ T72] __do_softirq+0x1b5/0x7f6 [ 1757.003312][ T72] [ 1757.004946][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1757.004946][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.004946][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.004946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.004946][ T72] ip6_route_add+0x1c/0x140 [ 1757.004946][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1757.004946][ T72] inet6_addr_add+0x4f8/0xa40 [ 1757.004946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.004946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.004946][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.004946][ T72] netlink_unicast+0x449/0x710 [ 1757.004946][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.004946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.004946][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.004946][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.004946][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.004946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.004946][ T72] [ 1757.006932][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1757.006932][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.006932][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.006932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.006932][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1757.006932][ T72] ipv6_add_addr+0x411/0x2000 [ 1757.006932][ T72] inet6_addr_add+0x30e/0xa40 [ 1757.006932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.006932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.006932][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.006932][ T72] netlink_unicast+0x449/0x710 [ 1757.006932][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.006932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.006932][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.006932][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.006932][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.006932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.006932][ T72] [ 1757.008917][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1757.008917][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.008917][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.008917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.008917][ T72] ip6_route_add+0x1c/0x140 [ 1757.008917][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1757.008917][ T72] addrconf_add_dev+0xe2/0x170 [ 1757.008917][ T72] inet6_addr_add+0x12f/0xa40 [ 1757.008917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.008917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.008917][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.008917][ T72] netlink_unicast+0x449/0x710 [ 1757.008917][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.008917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.008917][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.008917][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.008917][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.008917][ T72] [ 1757.010885][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1757.010885][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1757.010885][ T72] ipv6_find_idev+0x102/0x170 [ 1757.010885][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.010885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.010885][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.010885][ T72] netlink_unicast+0x449/0x710 [ 1757.010885][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.010885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.010885][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.010885][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.010885][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.010885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.010885][ T72] [ 1757.012413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1757.012413][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1757.012413][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1757.012413][ T72] ipv6_find_idev+0x102/0x170 [ 1757.012413][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.012413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.012413][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.012413][ T72] netlink_unicast+0x449/0x710 [ 1757.012413][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.012413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.012413][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.012413][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.012413][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.012413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.012413][ T72] [ 1757.014092][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1757.014361][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1757.014361][ T72] dst_init+0x84/0x4a0 [ 1757.014361][ T72] dst_alloc+0x97/0x150 [ 1757.014361][ T72] ip6_dst_alloc+0x23/0x90 [ 1757.014361][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1757.014361][ T72] ip6_pol_route+0x56f/0x840 [ 1757.014361][ T72] fib6_rule_lookup+0x456/0x630 [ 1757.014361][ T72] ip6_route_input+0x59c/0xa50 [ 1757.014361][ T72] ipv6_rcv+0x397/0x810 [ 1757.014361][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1757.014361][ T72] process_backlog+0x101/0x620 [ 1757.014361][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1757.014361][ T72] net_rx_action+0x495/0xbe0 [ 1757.014361][ T72] __do_softirq+0x1b5/0x7f6 [ 1757.014361][ T72] [ 1757.015999][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1757.015999][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.015999][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.015999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.015999][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1757.015999][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1757.015999][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1757.015999][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1757.015999][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1757.015999][ T72] addrconf_dad_begin+0x310/0x670 [ 1757.015999][ T72] addrconf_dad_work+0x10b/0xab0 [ 1757.015999][ T72] process_one_work+0x84d/0x18a0 [ 1757.015999][ T72] worker_thread+0x587/0xd30 [ 1757.015999][ T72] kthread+0x28a/0x350 [ 1757.015999][ T72] ret_from_fork+0x31/0x70 [ 1757.015999][ T72] ret_from_fork_asm+0x1a/0x30 [ 1757.015999][ T72] [ 1757.017900][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1757.017900][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.017900][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.017900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.017900][ T72] ip6_route_add+0x1c/0x140 [ 1757.017900][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1757.017900][ T72] inet6_addr_add+0x4f8/0xa40 [ 1757.017900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.017900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.017900][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.017900][ T72] netlink_unicast+0x449/0x710 [ 1757.017900][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.017900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.017900][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.017900][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.017900][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.017900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.017900][ T72] [ 1757.019886][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1757.019886][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.019886][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.019886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.019886][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1757.019886][ T72] ipv6_add_addr+0x411/0x2000 [ 1757.019886][ T72] inet6_addr_add+0x30e/0xa40 [ 1757.019886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.019886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.019886][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.019886][ T72] netlink_unicast+0x449/0x710 [ 1757.019886][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.019886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.019886][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.019886][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.019886][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.019886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.019886][ T72] [ 1757.021870][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1757.021870][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.021870][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.021870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.021870][ T72] ip6_route_add+0x1c/0x140 [ 1757.021870][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1757.021870][ T72] addrconf_add_dev+0xe2/0x170 [ 1757.021870][ T72] inet6_addr_add+0x12f/0xa40 [ 1757.021870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.021870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.021870][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.021870][ T72] netlink_unicast+0x449/0x710 [ 1757.021870][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.021870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.021870][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.021870][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.021870][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.021870][ T72] [ 1757.023850][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1757.023850][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1757.023850][ T72] ipv6_find_idev+0x102/0x170 [ 1757.023850][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.023850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.023850][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.023850][ T72] netlink_unicast+0x449/0x710 [ 1757.023850][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.023850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.023850][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.023850][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.023850][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.023850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.023850][ T72] [ 1757.025439][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1757.025439][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1757.025439][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1757.025439][ T72] ipv6_find_idev+0x102/0x170 [ 1757.025439][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.025439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.025439][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.025439][ T72] netlink_unicast+0x449/0x710 [ 1757.025439][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.025439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.025439][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.025439][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.025439][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.025439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.025439][ T72] [ 1757.027181][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1757.027518][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1757.027518][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1757.027518][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1757.027518][ T72] fib6_nh_init+0xa22/0x1580 [ 1757.027518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.027518][ T72] ip6_route_add+0x1c/0x140 [ 1757.027518][ T72] inet6_rtm_newroute+0x104/0x110 [ 1757.027518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.027518][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.027518][ T72] netlink_unicast+0x449/0x710 [ 1757.027518][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.027518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.027518][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.027518][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.027518][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.027518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.027518][ T72] [ 1757.029568][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1757.029568][ T72] dst_init+0x84/0x4a0 [ 1757.029568][ T72] dst_alloc+0x97/0x150 [ 1757.029568][ T72] ip6_dst_alloc+0x23/0x90 [ 1757.029568][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1757.029568][ T72] ip6_pol_route+0x56f/0x840 [ 1757.029568][ T72] fib6_rule_lookup+0x456/0x630 [ 1757.029568][ T72] ip6_route_input+0x59c/0xa50 [ 1757.029568][ T72] ipv6_rcv+0x397/0x810 [ 1757.029568][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1757.029568][ T72] process_backlog+0x101/0x620 [ 1757.029568][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1757.029568][ T72] net_rx_action+0x495/0xbe0 [ 1757.029568][ T72] __do_softirq+0x1b5/0x7f6 [ 1757.029568][ T72] [ 1757.031366][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1757.031366][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.031366][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.031366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.031366][ T72] ip6_route_add+0x1c/0x140 [ 1757.031366][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1757.031366][ T72] inet6_addr_add+0x4f8/0xa40 [ 1757.031366][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.031366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.031366][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.031366][ T72] netlink_unicast+0x449/0x710 [ 1757.031366][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.031366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.031366][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.031366][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.031366][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.031366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.031366][ T72] [ 1757.033587][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1757.033587][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.033587][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.033587][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.033587][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1757.033587][ T72] ipv6_add_addr+0x411/0x2000 [ 1757.033587][ T72] inet6_addr_add+0x30e/0xa40 [ 1757.033587][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.033587][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.033587][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.033587][ T72] netlink_unicast+0x449/0x710 [ 1757.033587][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.033587][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.033587][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.033587][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.033587][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.033587][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.033587][ T72] [ 1757.035764][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1757.035764][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.035764][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.035764][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.035764][ T72] ip6_route_add+0x1c/0x140 [ 1757.035764][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1757.035764][ T72] addrconf_add_dev+0xe2/0x170 [ 1757.035764][ T72] inet6_addr_add+0x12f/0xa40 [ 1757.035764][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.035764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.035764][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.035764][ T72] netlink_unicast+0x449/0x710 [ 1757.035764][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.035764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.035764][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.035764][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.035764][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.035764][ T72] [ 1757.038006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1757.038006][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1757.038006][ T72] ipv6_find_idev+0x102/0x170 [ 1757.038006][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.038006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.038006][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.038006][ T72] netlink_unicast+0x449/0x710 [ 1757.038006][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.038006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.038006][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.038006][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.038006][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.038006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.038006][ T72] [ 1757.039716][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1757.039716][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1757.039716][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1757.039716][ T72] ipv6_find_idev+0x102/0x170 [ 1757.039716][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.039716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.039716][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.039716][ T72] netlink_unicast+0x449/0x710 [ 1757.039716][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.039716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.039716][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.039716][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.039716][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.039716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.039716][ T72] [ 1757.041576][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1757.042357][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1757.042357][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.042357][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.042357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.042357][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1757.042357][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1757.042357][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1757.042357][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1757.042357][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1757.042357][ T72] addrconf_dad_begin+0x310/0x670 [ 1757.042357][ T72] addrconf_dad_work+0x10b/0xab0 [ 1757.042357][ T72] process_one_work+0x84d/0x18a0 [ 1757.042357][ T72] worker_thread+0x587/0xd30 [ 1757.042357][ T72] kthread+0x28a/0x350 [ 1757.042357][ T72] ret_from_fork+0x31/0x70 [ 1757.042357][ T72] ret_from_fork_asm+0x1a/0x30 [ 1757.042357][ T72] [ 1757.044251][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1757.044251][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.044251][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.044251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.044251][ T72] ip6_route_add+0x1c/0x140 [ 1757.044251][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1757.044251][ T72] inet6_addr_add+0x4f8/0xa40 [ 1757.044251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.044251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.044251][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.044251][ T72] netlink_unicast+0x449/0x710 [ 1757.044251][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.044251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.044251][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.044251][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.044251][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.044251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.044251][ T72] [ 1757.046291][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1757.046291][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.046291][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.046291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.046291][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1757.046291][ T72] ipv6_add_addr+0x411/0x2000 [ 1757.046291][ T72] inet6_addr_add+0x30e/0xa40 [ 1757.046291][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.046291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.046291][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.046291][ T72] netlink_unicast+0x449/0x710 [ 1757.046291][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.046291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.046291][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.046291][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.046291][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.046291][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.046291][ T72] [ 1757.048513][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1757.048513][ T72] netdev_get_by_index+0x5e/0x80 [ 1757.048513][ T72] fib6_nh_init+0x3d8/0x1580 [ 1757.048513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1757.048513][ T72] ip6_route_add+0x1c/0x140 [ 1757.048513][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1757.048513][ T72] addrconf_add_dev+0xe2/0x170 [ 1757.048513][ T72] inet6_addr_add+0x12f/0xa40 [ 1757.048513][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1757.048513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.048513][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.048513][ T72] netlink_unicast+0x449/0x710 [ 1757.048513][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.048513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.048513][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.048513][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.048513][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.048513][ T72] [ 1757.050771][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1757.050771][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1757.050771][ T72] ipv6_find_idev+0x102/0x170 [ 1757.050771][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.050771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.050771][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.050771][ T72] netlink_unicast+0x449/0x710 [ 1757.050771][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.050771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.050771][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.050771][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.050771][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.050771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.050771][ T72] [ 1757.052492][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1757.052492][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1757.052492][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1757.052492][ T72] ipv6_find_idev+0x102/0x170 [ 1757.052492][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1757.052492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1757.052492][ T72] netlink_rcv_skb+0x130/0x360 [ 1757.052492][ T72] netlink_unicast+0x449/0x710 [ 1757.052492][ T72] netlink_sendmsg+0x723/0xbe0 [ 1757.052492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1757.052492][ T72] ___sys_sendmsg+0xee/0x170 [ 1757.052492][ T72] __sys_sendmsg+0xcd/0x170 [ 1757.052492][ T72] do_syscall_64+0xc6/0x1e0 [ 1757.052492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1757.052492][ T72] [ 1767.336980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1767.337481][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1767.337481][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1767.337481][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1767.337481][ T72] fib6_nh_init+0xa22/0x1580 [ 1767.337481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.337481][ T72] ip6_route_add+0x1c/0x140 [ 1767.337481][ T72] inet6_rtm_newroute+0x104/0x110 [ 1767.337481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.337481][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.337481][ T72] netlink_unicast+0x449/0x710 [ 1767.337481][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.337481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.337481][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.337481][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.337481][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.337481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.337481][ T72] [ 1767.339380][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1767.339380][ T72] dst_init+0x84/0x4a0 [ 1767.339380][ T72] dst_alloc+0x97/0x150 [ 1767.339380][ T72] ip6_dst_alloc+0x23/0x90 [ 1767.339380][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1767.339380][ T72] ip6_pol_route+0x56f/0x840 [ 1767.339380][ T72] fib6_rule_lookup+0x456/0x630 [ 1767.339380][ T72] ip6_route_input+0x59c/0xa50 [ 1767.339380][ T72] ipv6_rcv+0x397/0x810 [ 1767.339380][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1767.339380][ T72] process_backlog+0x101/0x620 [ 1767.339380][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1767.339380][ T72] net_rx_action+0x495/0xbe0 [ 1767.339380][ T72] __do_softirq+0x1b5/0x7f6 [ 1767.339380][ T72] [ 1767.341007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1767.341007][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.341007][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.341007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.341007][ T72] ip6_route_add+0x1c/0x140 [ 1767.341007][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1767.341007][ T72] inet6_addr_add+0x4f8/0xa40 [ 1767.341007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.341007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.341007][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.341007][ T72] netlink_unicast+0x449/0x710 [ 1767.341007][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.341007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.341007][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.341007][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.341007][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.341007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.341007][ T72] [ 1767.342994][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1767.342994][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.342994][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.342994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.342994][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1767.342994][ T72] ipv6_add_addr+0x411/0x2000 [ 1767.342994][ T72] inet6_addr_add+0x30e/0xa40 [ 1767.342994][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.342994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.342994][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.342994][ T72] netlink_unicast+0x449/0x710 [ 1767.342994][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.342994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.342994][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.342994][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.342994][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.342994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.342994][ T72] [ 1767.344988][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1767.344988][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.344988][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.344988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.344988][ T72] ip6_route_add+0x1c/0x140 [ 1767.344988][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1767.344988][ T72] addrconf_add_dev+0xe2/0x170 [ 1767.344988][ T72] inet6_addr_add+0x12f/0xa40 [ 1767.344988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.344988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.344988][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.344988][ T72] netlink_unicast+0x449/0x710 [ 1767.344988][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.344988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.344988][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.344988][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.344988][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.344988][ T72] [ 1767.347501][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1767.347501][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1767.347501][ T72] ipv6_find_idev+0x102/0x170 [ 1767.347501][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.347501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.347501][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.347501][ T72] netlink_unicast+0x449/0x710 [ 1767.347501][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.347501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.347501][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.347501][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.347501][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.347501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.347501][ T72] [ 1767.349029][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1767.349029][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1767.349029][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1767.349029][ T72] ipv6_find_idev+0x102/0x170 [ 1767.349029][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.349029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.349029][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.349029][ T72] netlink_unicast+0x449/0x710 [ 1767.349029][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.349029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.349029][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.349029][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.349029][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.349029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.349029][ T72] [ 1767.350753][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1767.351041][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1767.351041][ T72] dst_init+0x84/0x4a0 [ 1767.351041][ T72] dst_alloc+0x97/0x150 [ 1767.351041][ T72] ip6_dst_alloc+0x23/0x90 [ 1767.351041][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1767.351041][ T72] ip6_pol_route+0x56f/0x840 [ 1767.351041][ T72] fib6_rule_lookup+0x456/0x630 [ 1767.351041][ T72] ip6_route_input+0x59c/0xa50 [ 1767.351041][ T72] ipv6_rcv+0x397/0x810 [ 1767.351041][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1767.351041][ T72] process_backlog+0x101/0x620 [ 1767.351041][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1767.351041][ T72] net_rx_action+0x495/0xbe0 [ 1767.351041][ T72] __do_softirq+0x1b5/0x7f6 [ 1767.351041][ T72] [ 1767.352665][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1767.352665][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.352665][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.352665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.352665][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1767.352665][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1767.352665][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1767.352665][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1767.352665][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1767.352665][ T72] addrconf_dad_begin+0x310/0x670 [ 1767.352665][ T72] addrconf_dad_work+0x10b/0xab0 [ 1767.352665][ T72] process_one_work+0x84d/0x18a0 [ 1767.352665][ T72] worker_thread+0x587/0xd30 [ 1767.352665][ T72] kthread+0x28a/0x350 [ 1767.352665][ T72] ret_from_fork+0x31/0x70 [ 1767.352665][ T72] ret_from_fork_asm+0x1a/0x30 [ 1767.352665][ T72] [ 1767.354555][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1767.354555][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.354555][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.354555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.354555][ T72] ip6_route_add+0x1c/0x140 [ 1767.354555][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1767.354555][ T72] inet6_addr_add+0x4f8/0xa40 [ 1767.354555][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.354555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.354555][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.354555][ T72] netlink_unicast+0x449/0x710 [ 1767.354555][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.354555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.354555][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.354555][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.354555][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.354555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.354555][ T72] [ 1767.356531][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1767.356531][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.356531][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.356531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.356531][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1767.356531][ T72] ipv6_add_addr+0x411/0x2000 [ 1767.356531][ T72] inet6_addr_add+0x30e/0xa40 [ 1767.356531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.356531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.356531][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.356531][ T72] netlink_unicast+0x449/0x710 [ 1767.356531][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.356531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.356531][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.356531][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.356531][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.356531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.356531][ T72] [ 1767.358506][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1767.358506][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.358506][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.358506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.358506][ T72] ip6_route_add+0x1c/0x140 [ 1767.358506][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1767.358506][ T72] addrconf_add_dev+0xe2/0x170 [ 1767.358506][ T72] inet6_addr_add+0x12f/0xa40 [ 1767.358506][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.358506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.358506][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.358506][ T72] netlink_unicast+0x449/0x710 [ 1767.358506][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.358506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.358506][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.358506][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.358506][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.358506][ T72] [ 1767.360455][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1767.360455][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1767.360455][ T72] ipv6_find_idev+0x102/0x170 [ 1767.360455][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.360455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.360455][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.360455][ T72] netlink_unicast+0x449/0x710 [ 1767.360455][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.360455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.360455][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.360455][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.360455][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.360455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.360455][ T72] [ 1767.361989][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1767.361989][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1767.361989][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1767.361989][ T72] ipv6_find_idev+0x102/0x170 [ 1767.361989][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.361989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.361989][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.361989][ T72] netlink_unicast+0x449/0x710 [ 1767.361989][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.361989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.361989][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.361989][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.361989][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.361989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.361989][ T72] [ 1767.363719][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1767.364481][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1767.364481][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1767.364481][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1767.364481][ T72] fib6_nh_init+0xa22/0x1580 [ 1767.364481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.364481][ T72] ip6_route_add+0x1c/0x140 [ 1767.364481][ T72] inet6_rtm_newroute+0x104/0x110 [ 1767.364481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.364481][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.364481][ T72] netlink_unicast+0x449/0x710 [ 1767.364481][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.364481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.364481][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.364481][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.364481][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.364481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.364481][ T72] [ 1767.366344][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1767.366344][ T72] dst_init+0x84/0x4a0 [ 1767.366344][ T72] dst_alloc+0x97/0x150 [ 1767.366344][ T72] ip6_dst_alloc+0x23/0x90 [ 1767.366344][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1767.366344][ T72] ip6_pol_route+0x56f/0x840 [ 1767.366344][ T72] fib6_rule_lookup+0x456/0x630 [ 1767.366344][ T72] ip6_route_input+0x59c/0xa50 [ 1767.366344][ T72] ipv6_rcv+0x397/0x810 [ 1767.366344][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1767.366344][ T72] process_backlog+0x101/0x620 [ 1767.366344][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1767.366344][ T72] net_rx_action+0x495/0xbe0 [ 1767.366344][ T72] __do_softirq+0x1b5/0x7f6 [ 1767.366344][ T72] [ 1767.367960][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1767.367960][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.367960][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.367960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.367960][ T72] ip6_route_add+0x1c/0x140 [ 1767.367960][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1767.367960][ T72] inet6_addr_add+0x4f8/0xa40 [ 1767.367960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.367960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.367960][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.367960][ T72] netlink_unicast+0x449/0x710 [ 1767.367960][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.367960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.367960][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.367960][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.367960][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.367960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.367960][ T72] [ 1767.370574][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1767.370574][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.370574][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.370574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.370574][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1767.370574][ T72] ipv6_add_addr+0x411/0x2000 [ 1767.370574][ T72] inet6_addr_add+0x30e/0xa40 [ 1767.370574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.370574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.370574][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.370574][ T72] netlink_unicast+0x449/0x710 [ 1767.370574][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.370574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.370574][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.370574][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.370574][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.370574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.370574][ T72] [ 1767.372759][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1767.372759][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.372759][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.372759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.372759][ T72] ip6_route_add+0x1c/0x140 [ 1767.372759][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1767.372759][ T72] addrconf_add_dev+0xe2/0x170 [ 1767.372759][ T72] inet6_addr_add+0x12f/0xa40 [ 1767.372759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.372759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.372759][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.372759][ T72] netlink_unicast+0x449/0x710 [ 1767.372759][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.372759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.372759][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.372759][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.372759][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.372759][ T72] [ 1767.374942][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1767.374942][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1767.374942][ T72] ipv6_find_idev+0x102/0x170 [ 1767.374942][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.374942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.374942][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.374942][ T72] netlink_unicast+0x449/0x710 [ 1767.374942][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.374942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.374942][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.374942][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.374942][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.374942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.374942][ T72] [ 1767.376646][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1767.376646][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1767.376646][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1767.376646][ T72] ipv6_find_idev+0x102/0x170 [ 1767.376646][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.376646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.376646][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.376646][ T72] netlink_unicast+0x449/0x710 [ 1767.376646][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.376646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.376646][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.376646][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.376646][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.376646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.376646][ T72] [ 1767.378598][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1767.378923][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1767.378923][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.378923][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.378923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.378923][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1767.378923][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1767.378923][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1767.378923][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1767.378923][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1767.378923][ T72] addrconf_dad_begin+0x310/0x670 [ 1767.378923][ T72] addrconf_dad_work+0x10b/0xab0 [ 1767.378923][ T72] process_one_work+0x84d/0x18a0 [ 1767.378923][ T72] worker_thread+0x587/0xd30 [ 1767.378923][ T72] kthread+0x28a/0x350 [ 1767.378923][ T72] ret_from_fork+0x31/0x70 [ 1767.378923][ T72] ret_from_fork_asm+0x1a/0x30 [ 1767.378923][ T72] [ 1767.380999][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1767.380999][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.380999][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.380999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.380999][ T72] ip6_route_add+0x1c/0x140 [ 1767.380999][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1767.380999][ T72] inet6_addr_add+0x4f8/0xa40 [ 1767.380999][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.380999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.380999][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.380999][ T72] netlink_unicast+0x449/0x710 [ 1767.380999][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.380999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.380999][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.380999][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.380999][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.380999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.380999][ T72] [ 1767.383324][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1767.383324][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.383324][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.383324][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.383324][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1767.383324][ T72] ipv6_add_addr+0x411/0x2000 [ 1767.383324][ T72] inet6_addr_add+0x30e/0xa40 [ 1767.383324][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.383324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.383324][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.383324][ T72] netlink_unicast+0x449/0x710 [ 1767.383324][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.383324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.383324][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.383324][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.383324][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.383324][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.383324][ T72] [ 1767.385550][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1767.385550][ T72] netdev_get_by_index+0x5e/0x80 [ 1767.385550][ T72] fib6_nh_init+0x3d8/0x1580 [ 1767.385550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1767.385550][ T72] ip6_route_add+0x1c/0x140 [ 1767.385550][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1767.385550][ T72] addrconf_add_dev+0xe2/0x170 [ 1767.385550][ T72] inet6_addr_add+0x12f/0xa40 [ 1767.385550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1767.385550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.385550][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.385550][ T72] netlink_unicast+0x449/0x710 [ 1767.385550][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.385550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.385550][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.385550][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.385550][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.385550][ T72] [ 1767.387736][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1767.387736][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1767.387736][ T72] ipv6_find_idev+0x102/0x170 [ 1767.387736][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.387736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.387736][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.387736][ T72] netlink_unicast+0x449/0x710 [ 1767.387736][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.387736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.387736][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.387736][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.387736][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.387736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.387736][ T72] [ 1767.389450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1767.389450][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1767.389450][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1767.389450][ T72] ipv6_find_idev+0x102/0x170 [ 1767.389450][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1767.389450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1767.389450][ T72] netlink_rcv_skb+0x130/0x360 [ 1767.389450][ T72] netlink_unicast+0x449/0x710 [ 1767.389450][ T72] netlink_sendmsg+0x723/0xbe0 [ 1767.389450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1767.389450][ T72] ___sys_sendmsg+0xee/0x170 [ 1767.389450][ T72] __sys_sendmsg+0xcd/0x170 [ 1767.389450][ T72] do_syscall_64+0xc6/0x1e0 [ 1767.389450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1767.389450][ T72] [ 1777.632906][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1777.633414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1777.633414][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1777.633414][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1777.633414][ T72] fib6_nh_init+0xa22/0x1580 [ 1777.633414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.633414][ T72] ip6_route_add+0x1c/0x140 [ 1777.633414][ T72] inet6_rtm_newroute+0x104/0x110 [ 1777.633414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.633414][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.633414][ T72] netlink_unicast+0x449/0x710 [ 1777.633414][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.633414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.633414][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.633414][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.633414][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.633414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.633414][ T72] [ 1777.635304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1777.635304][ T72] dst_init+0x84/0x4a0 [ 1777.635304][ T72] dst_alloc+0x97/0x150 [ 1777.635304][ T72] ip6_dst_alloc+0x23/0x90 [ 1777.635304][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1777.635304][ T72] ip6_pol_route+0x56f/0x840 [ 1777.635304][ T72] fib6_rule_lookup+0x456/0x630 [ 1777.635304][ T72] ip6_route_input+0x59c/0xa50 [ 1777.635304][ T72] ipv6_rcv+0x397/0x810 [ 1777.635304][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1777.635304][ T72] process_backlog+0x101/0x620 [ 1777.635304][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1777.635304][ T72] net_rx_action+0x495/0xbe0 [ 1777.635304][ T72] __do_softirq+0x1b5/0x7f6 [ 1777.635304][ T72] [ 1777.636933][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1777.636933][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.636933][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.636933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.636933][ T72] ip6_route_add+0x1c/0x140 [ 1777.636933][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1777.636933][ T72] inet6_addr_add+0x4f8/0xa40 [ 1777.636933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.636933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.636933][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.636933][ T72] netlink_unicast+0x449/0x710 [ 1777.636933][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.636933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.636933][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.636933][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.636933][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.636933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.636933][ T72] [ 1777.638931][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1777.638931][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.638931][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.638931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.638931][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1777.638931][ T72] ipv6_add_addr+0x411/0x2000 [ 1777.638931][ T72] inet6_addr_add+0x30e/0xa40 [ 1777.638931][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.638931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.638931][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.638931][ T72] netlink_unicast+0x449/0x710 [ 1777.638931][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.638931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.638931][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.638931][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.638931][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.638931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.638931][ T72] [ 1777.640918][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1777.640918][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.640918][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.640918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.640918][ T72] ip6_route_add+0x1c/0x140 [ 1777.640918][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1777.640918][ T72] addrconf_add_dev+0xe2/0x170 [ 1777.640918][ T72] inet6_addr_add+0x12f/0xa40 [ 1777.640918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.640918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.640918][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.640918][ T72] netlink_unicast+0x449/0x710 [ 1777.640918][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.640918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.640918][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.640918][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.640918][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.640918][ T72] [ 1777.642862][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1777.642862][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1777.642862][ T72] ipv6_find_idev+0x102/0x170 [ 1777.642862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.642862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.642862][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.642862][ T72] netlink_unicast+0x449/0x710 [ 1777.642862][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.642862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.642862][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.642862][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.642862][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.642862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.642862][ T72] [ 1777.644386][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1777.644386][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1777.644386][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1777.644386][ T72] ipv6_find_idev+0x102/0x170 [ 1777.644386][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.644386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.644386][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.644386][ T72] netlink_unicast+0x449/0x710 [ 1777.644386][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.644386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.644386][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.644386][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.644386][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.644386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.644386][ T72] [ 1777.646060][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1777.646329][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1777.646329][ T72] dst_init+0x84/0x4a0 [ 1777.646329][ T72] dst_alloc+0x97/0x150 [ 1777.646329][ T72] ip6_dst_alloc+0x23/0x90 [ 1777.646329][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1777.646329][ T72] ip6_pol_route+0x56f/0x840 [ 1777.646329][ T72] fib6_rule_lookup+0x456/0x630 [ 1777.646329][ T72] ip6_route_input+0x59c/0xa50 [ 1777.646329][ T72] ipv6_rcv+0x397/0x810 [ 1777.646329][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1777.646329][ T72] process_backlog+0x101/0x620 [ 1777.646329][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1777.646329][ T72] net_rx_action+0x495/0xbe0 [ 1777.646329][ T72] __do_softirq+0x1b5/0x7f6 [ 1777.646329][ T72] [ 1777.647956][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1777.647956][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.647956][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.647956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.647956][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1777.647956][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1777.647956][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1777.647956][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1777.647956][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1777.647956][ T72] addrconf_dad_begin+0x310/0x670 [ 1777.647956][ T72] addrconf_dad_work+0x10b/0xab0 [ 1777.647956][ T72] process_one_work+0x84d/0x18a0 [ 1777.647956][ T72] worker_thread+0x587/0xd30 [ 1777.647956][ T72] kthread+0x28a/0x350 [ 1777.647956][ T72] ret_from_fork+0x31/0x70 [ 1777.647956][ T72] ret_from_fork_asm+0x1a/0x30 [ 1777.647956][ T72] [ 1777.649872][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1777.649872][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.649872][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.649872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.649872][ T72] ip6_route_add+0x1c/0x140 [ 1777.649872][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1777.649872][ T72] inet6_addr_add+0x4f8/0xa40 [ 1777.649872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.649872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.649872][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.649872][ T72] netlink_unicast+0x449/0x710 [ 1777.649872][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.649872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.649872][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.649872][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.649872][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.649872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.649872][ T72] [ 1777.651848][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1777.651848][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.651848][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.651848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.651848][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1777.651848][ T72] ipv6_add_addr+0x411/0x2000 [ 1777.651848][ T72] inet6_addr_add+0x30e/0xa40 [ 1777.651848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.651848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.651848][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.651848][ T72] netlink_unicast+0x449/0x710 [ 1777.651848][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.651848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.651848][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.651848][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.651848][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.651848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.651848][ T72] [ 1777.653860][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1777.653860][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.653860][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.653860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.653860][ T72] ip6_route_add+0x1c/0x140 [ 1777.653860][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1777.653860][ T72] addrconf_add_dev+0xe2/0x170 [ 1777.653860][ T72] inet6_addr_add+0x12f/0xa40 [ 1777.653860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.653860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.653860][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.653860][ T72] netlink_unicast+0x449/0x710 [ 1777.653860][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.653860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.653860][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.653860][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.653860][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.653860][ T72] [ 1777.655805][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1777.655805][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1777.655805][ T72] ipv6_find_idev+0x102/0x170 [ 1777.655805][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.655805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.655805][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.655805][ T72] netlink_unicast+0x449/0x710 [ 1777.655805][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.655805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.655805][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.655805][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.655805][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.655805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.655805][ T72] [ 1777.657329][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1777.657329][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1777.657329][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1777.657329][ T72] ipv6_find_idev+0x102/0x170 [ 1777.657329][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.657329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.657329][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.657329][ T72] netlink_unicast+0x449/0x710 [ 1777.657329][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.657329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.657329][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.657329][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.657329][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.657329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.657329][ T72] [ 1777.659058][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1777.659399][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1777.659399][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1777.659399][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1777.659399][ T72] fib6_nh_init+0xa22/0x1580 [ 1777.659399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.659399][ T72] ip6_route_add+0x1c/0x140 [ 1777.659399][ T72] inet6_rtm_newroute+0x104/0x110 [ 1777.659399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.659399][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.659399][ T72] netlink_unicast+0x449/0x710 [ 1777.659399][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.659399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.659399][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.659399][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.659399][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.659399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.659399][ T72] [ 1777.661389][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1777.661389][ T72] dst_init+0x84/0x4a0 [ 1777.661389][ T72] dst_alloc+0x97/0x150 [ 1777.661389][ T72] ip6_dst_alloc+0x23/0x90 [ 1777.661389][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1777.661389][ T72] ip6_pol_route+0x56f/0x840 [ 1777.661389][ T72] fib6_rule_lookup+0x456/0x630 [ 1777.661389][ T72] ip6_route_input+0x59c/0xa50 [ 1777.661389][ T72] ipv6_rcv+0x397/0x810 [ 1777.661389][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1777.661389][ T72] process_backlog+0x101/0x620 [ 1777.661389][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1777.661389][ T72] net_rx_action+0x495/0xbe0 [ 1777.661389][ T72] __do_softirq+0x1b5/0x7f6 [ 1777.661389][ T72] [ 1777.663184][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1777.663184][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.663184][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.663184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.663184][ T72] ip6_route_add+0x1c/0x140 [ 1777.663184][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1777.663184][ T72] inet6_addr_add+0x4f8/0xa40 [ 1777.663184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.663184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.663184][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.663184][ T72] netlink_unicast+0x449/0x710 [ 1777.663184][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.663184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.663184][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.663184][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.663184][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.663184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.663184][ T72] [ 1777.665401][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1777.665401][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.665401][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.665401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.665401][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1777.665401][ T72] ipv6_add_addr+0x411/0x2000 [ 1777.665401][ T72] inet6_addr_add+0x30e/0xa40 [ 1777.665401][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.665401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.665401][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.665401][ T72] netlink_unicast+0x449/0x710 [ 1777.665401][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.665401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.665401][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.665401][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.665401][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.665401][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.665401][ T72] [ 1777.667699][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1777.667699][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.667699][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.667699][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.667699][ T72] ip6_route_add+0x1c/0x140 [ 1777.667699][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1777.667699][ T72] addrconf_add_dev+0xe2/0x170 [ 1777.667699][ T72] inet6_addr_add+0x12f/0xa40 [ 1777.667699][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.667699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.667699][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.667699][ T72] netlink_unicast+0x449/0x710 [ 1777.667699][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.667699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.667699][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.667699][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.667699][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.667699][ T72] [ 1777.669887][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1777.669887][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1777.669887][ T72] ipv6_find_idev+0x102/0x170 [ 1777.669887][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.669887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.669887][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.669887][ T72] netlink_unicast+0x449/0x710 [ 1777.669887][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.669887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.669887][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.669887][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.669887][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.669887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.669887][ T72] [ 1777.671594][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1777.671594][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1777.671594][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1777.671594][ T72] ipv6_find_idev+0x102/0x170 [ 1777.671594][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.671594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.671594][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.671594][ T72] netlink_unicast+0x449/0x710 [ 1777.671594][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.671594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.671594][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.671594][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.671594][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.671594][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.671594][ T72] [ 1777.673444][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1777.673779][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1777.673779][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.673779][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.673779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.673779][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1777.673779][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1777.673779][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1777.673779][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1777.673779][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1777.673779][ T72] addrconf_dad_begin+0x310/0x670 [ 1777.673779][ T72] addrconf_dad_work+0x10b/0xab0 [ 1777.673779][ T72] process_one_work+0x84d/0x18a0 [ 1777.673779][ T72] worker_thread+0x587/0xd30 [ 1777.673779][ T72] kthread+0x28a/0x350 [ 1777.673779][ T72] ret_from_fork+0x31/0x70 [ 1777.673779][ T72] ret_from_fork_asm+0x1a/0x30 [ 1777.673779][ T72] [ 1777.675856][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1777.675856][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.675856][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.675856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.675856][ T72] ip6_route_add+0x1c/0x140 [ 1777.675856][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1777.675856][ T72] inet6_addr_add+0x4f8/0xa40 [ 1777.675856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.675856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.675856][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.675856][ T72] netlink_unicast+0x449/0x710 [ 1777.675856][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.675856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.675856][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.675856][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.675856][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.675856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.675856][ T72] [ 1777.678139][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1777.678139][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.678139][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.678139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.678139][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1777.678139][ T72] ipv6_add_addr+0x411/0x2000 [ 1777.678139][ T72] inet6_addr_add+0x30e/0xa40 [ 1777.678139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.678139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.678139][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.678139][ T72] netlink_unicast+0x449/0x710 [ 1777.678139][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.678139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.678139][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.678139][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.678139][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.678139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.678139][ T72] [ 1777.680382][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1777.680382][ T72] netdev_get_by_index+0x5e/0x80 [ 1777.680382][ T72] fib6_nh_init+0x3d8/0x1580 [ 1777.680382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1777.680382][ T72] ip6_route_add+0x1c/0x140 [ 1777.680382][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1777.680382][ T72] addrconf_add_dev+0xe2/0x170 [ 1777.680382][ T72] inet6_addr_add+0x12f/0xa40 [ 1777.680382][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.680382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.680382][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.680382][ T72] netlink_unicast+0x449/0x710 [ 1777.680382][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.680382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.680382][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.680382][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.680382][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.680382][ T72] [ 1777.682572][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1777.682572][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1777.682572][ T72] ipv6_find_idev+0x102/0x170 [ 1777.682572][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.682572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.682572][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.682572][ T72] netlink_unicast+0x449/0x710 [ 1777.682572][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.682572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.682572][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.682572][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.682572][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.682572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.682572][ T72] [ 1777.684275][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1777.684275][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1777.684275][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1777.684275][ T72] ipv6_find_idev+0x102/0x170 [ 1777.684275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.684275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.684275][ T72] netlink_rcv_skb+0x130/0x360 [ 1777.684275][ T72] netlink_unicast+0x449/0x710 [ 1777.684275][ T72] netlink_sendmsg+0x723/0xbe0 [ 1777.684275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1777.684275][ T72] ___sys_sendmsg+0xee/0x170 [ 1777.684275][ T72] __sys_sendmsg+0xcd/0x170 [ 1777.684275][ T72] do_syscall_64+0xc6/0x1e0 [ 1777.684275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.684275][ T72] [ 1787.720900][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1787.721393][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1787.721393][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1787.721393][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1787.721393][ T72] fib6_nh_init+0xa22/0x1580 [ 1787.721393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.721393][ T72] ip6_route_add+0x1c/0x140 [ 1787.721393][ T72] inet6_rtm_newroute+0x104/0x110 [ 1787.721393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.721393][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.721393][ T72] netlink_unicast+0x449/0x710 [ 1787.721393][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.721393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.721393][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.721393][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.721393][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.721393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.721393][ T72] [ 1787.723298][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1787.723298][ T72] dst_init+0x84/0x4a0 [ 1787.723298][ T72] dst_alloc+0x97/0x150 [ 1787.723298][ T72] ip6_dst_alloc+0x23/0x90 [ 1787.723298][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1787.723298][ T72] ip6_pol_route+0x56f/0x840 [ 1787.723298][ T72] fib6_rule_lookup+0x456/0x630 [ 1787.723298][ T72] ip6_route_input+0x59c/0xa50 [ 1787.723298][ T72] ipv6_rcv+0x397/0x810 [ 1787.723298][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1787.723298][ T72] process_backlog+0x101/0x620 [ 1787.723298][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1787.723298][ T72] net_rx_action+0x495/0xbe0 [ 1787.723298][ T72] __do_softirq+0x1b5/0x7f6 [ 1787.723298][ T72] [ 1787.724927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1787.724927][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.724927][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.724927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.724927][ T72] ip6_route_add+0x1c/0x140 [ 1787.724927][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1787.724927][ T72] inet6_addr_add+0x4f8/0xa40 [ 1787.724927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.724927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.724927][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.724927][ T72] netlink_unicast+0x449/0x710 [ 1787.724927][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.724927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.724927][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.724927][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.724927][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.724927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.724927][ T72] [ 1787.726907][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1787.726907][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.726907][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.726907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.726907][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1787.726907][ T72] ipv6_add_addr+0x411/0x2000 [ 1787.726907][ T72] inet6_addr_add+0x30e/0xa40 [ 1787.726907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.726907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.726907][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.726907][ T72] netlink_unicast+0x449/0x710 [ 1787.726907][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.726907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.726907][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.726907][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.726907][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.726907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.726907][ T72] [ 1787.728962][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1787.728962][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.728962][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.728962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.728962][ T72] ip6_route_add+0x1c/0x140 [ 1787.728962][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1787.728962][ T72] addrconf_add_dev+0xe2/0x170 [ 1787.728962][ T72] inet6_addr_add+0x12f/0xa40 [ 1787.728962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.728962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.728962][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.728962][ T72] netlink_unicast+0x449/0x710 [ 1787.728962][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.728962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.728962][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.728962][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.728962][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.728962][ T72] [ 1787.730908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1787.730908][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1787.730908][ T72] ipv6_find_idev+0x102/0x170 [ 1787.730908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.730908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.730908][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.730908][ T72] netlink_unicast+0x449/0x710 [ 1787.730908][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.730908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.730908][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.730908][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.730908][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.730908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.730908][ T72] [ 1787.732430][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1787.732430][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1787.732430][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1787.732430][ T72] ipv6_find_idev+0x102/0x170 [ 1787.732430][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.732430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.732430][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.732430][ T72] netlink_unicast+0x449/0x710 [ 1787.732430][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.732430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.732430][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.732430][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.732430][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.732430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.732430][ T72] [ 1787.734112][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1787.734384][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1787.734384][ T72] dst_init+0x84/0x4a0 [ 1787.734384][ T72] dst_alloc+0x97/0x150 [ 1787.734384][ T72] ip6_dst_alloc+0x23/0x90 [ 1787.734384][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1787.734384][ T72] ip6_pol_route+0x56f/0x840 [ 1787.734384][ T72] fib6_rule_lookup+0x456/0x630 [ 1787.734384][ T72] ip6_route_input+0x59c/0xa50 [ 1787.734384][ T72] ipv6_rcv+0x397/0x810 [ 1787.734384][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1787.734384][ T72] process_backlog+0x101/0x620 [ 1787.734384][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1787.734384][ T72] net_rx_action+0x495/0xbe0 [ 1787.734384][ T72] __do_softirq+0x1b5/0x7f6 [ 1787.734384][ T72] [ 1787.736008][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1787.736008][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.736008][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.736008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.736008][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1787.736008][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1787.736008][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1787.736008][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1787.736008][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1787.736008][ T72] addrconf_dad_begin+0x310/0x670 [ 1787.736008][ T72] addrconf_dad_work+0x10b/0xab0 [ 1787.736008][ T72] process_one_work+0x84d/0x18a0 [ 1787.736008][ T72] worker_thread+0x587/0xd30 [ 1787.736008][ T72] kthread+0x28a/0x350 [ 1787.736008][ T72] ret_from_fork+0x31/0x70 [ 1787.736008][ T72] ret_from_fork_asm+0x1a/0x30 [ 1787.736008][ T72] [ 1787.737895][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1787.737895][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.737895][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.737895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.737895][ T72] ip6_route_add+0x1c/0x140 [ 1787.737895][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1787.737895][ T72] inet6_addr_add+0x4f8/0xa40 [ 1787.737895][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.737895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.737895][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.737895][ T72] netlink_unicast+0x449/0x710 [ 1787.737895][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.737895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.737895][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.737895][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.737895][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.737895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.737895][ T72] [ 1787.739874][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1787.739874][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.739874][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.739874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.739874][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1787.739874][ T72] ipv6_add_addr+0x411/0x2000 [ 1787.739874][ T72] inet6_addr_add+0x30e/0xa40 [ 1787.739874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.739874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.739874][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.739874][ T72] netlink_unicast+0x449/0x710 [ 1787.739874][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.739874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.739874][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.739874][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.739874][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.739874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.739874][ T72] [ 1787.741852][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1787.741852][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.741852][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.741852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.741852][ T72] ip6_route_add+0x1c/0x140 [ 1787.741852][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1787.741852][ T72] addrconf_add_dev+0xe2/0x170 [ 1787.741852][ T72] inet6_addr_add+0x12f/0xa40 [ 1787.741852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.741852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.741852][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.741852][ T72] netlink_unicast+0x449/0x710 [ 1787.741852][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.741852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.741852][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.741852][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.741852][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.741852][ T72] [ 1787.743795][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1787.743795][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1787.743795][ T72] ipv6_find_idev+0x102/0x170 [ 1787.743795][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.743795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.743795][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.743795][ T72] netlink_unicast+0x449/0x710 [ 1787.743795][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.743795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.743795][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.743795][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.743795][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.743795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.743795][ T72] [ 1787.745314][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1787.745314][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1787.745314][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1787.745314][ T72] ipv6_find_idev+0x102/0x170 [ 1787.745314][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.745314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.745314][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.745314][ T72] netlink_unicast+0x449/0x710 [ 1787.745314][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.745314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.745314][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.745314][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.745314][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.745314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.745314][ T72] [ 1787.747058][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1787.747388][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1787.747388][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1787.747388][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1787.747388][ T72] fib6_nh_init+0xa22/0x1580 [ 1787.747388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.747388][ T72] ip6_route_add+0x1c/0x140 [ 1787.747388][ T72] inet6_rtm_newroute+0x104/0x110 [ 1787.747388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.747388][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.747388][ T72] netlink_unicast+0x449/0x710 [ 1787.747388][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.747388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.747388][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.747388][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.747388][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.747388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.747388][ T72] [ 1787.749375][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1787.749375][ T72] dst_init+0x84/0x4a0 [ 1787.749375][ T72] dst_alloc+0x97/0x150 [ 1787.749375][ T72] ip6_dst_alloc+0x23/0x90 [ 1787.749375][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1787.749375][ T72] ip6_pol_route+0x56f/0x840 [ 1787.749375][ T72] fib6_rule_lookup+0x456/0x630 [ 1787.749375][ T72] ip6_route_input+0x59c/0xa50 [ 1787.749375][ T72] ipv6_rcv+0x397/0x810 [ 1787.749375][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1787.749375][ T72] process_backlog+0x101/0x620 [ 1787.749375][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1787.749375][ T72] net_rx_action+0x495/0xbe0 [ 1787.749375][ T72] __do_softirq+0x1b5/0x7f6 [ 1787.749375][ T72] [ 1787.751243][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1787.751243][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.751243][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.751243][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.751243][ T72] ip6_route_add+0x1c/0x140 [ 1787.751243][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1787.751243][ T72] inet6_addr_add+0x4f8/0xa40 [ 1787.751243][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.751243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.751243][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.751243][ T72] netlink_unicast+0x449/0x710 [ 1787.751243][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.751243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.751243][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.751243][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.751243][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.751243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.751243][ T72] [ 1787.753467][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1787.753467][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.753467][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.753467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.753467][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1787.753467][ T72] ipv6_add_addr+0x411/0x2000 [ 1787.753467][ T72] inet6_addr_add+0x30e/0xa40 [ 1787.753467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.753467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.753467][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.753467][ T72] netlink_unicast+0x449/0x710 [ 1787.753467][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.753467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.753467][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.753467][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.753467][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.753467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.753467][ T72] [ 1787.755684][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1787.755684][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.755684][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.755684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.755684][ T72] ip6_route_add+0x1c/0x140 [ 1787.755684][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1787.755684][ T72] addrconf_add_dev+0xe2/0x170 [ 1787.755684][ T72] inet6_addr_add+0x12f/0xa40 [ 1787.755684][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.755684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.755684][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.755684][ T72] netlink_unicast+0x449/0x710 [ 1787.755684][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.755684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.755684][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.755684][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.755684][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.755684][ T72] [ 1787.757869][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1787.757869][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1787.757869][ T72] ipv6_find_idev+0x102/0x170 [ 1787.757869][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.757869][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.757869][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.757869][ T72] netlink_unicast+0x449/0x710 [ 1787.757869][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.757869][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.757869][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.757869][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.757869][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.757869][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.757869][ T72] [ 1787.759637][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1787.759637][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1787.759637][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1787.759637][ T72] ipv6_find_idev+0x102/0x170 [ 1787.759637][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.759637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.759637][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.759637][ T72] netlink_unicast+0x449/0x710 [ 1787.759637][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.759637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.759637][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.759637][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.759637][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.759637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.759637][ T72] [ 1787.761477][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1787.761812][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1787.761812][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.761812][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.761812][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.761812][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1787.761812][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1787.761812][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1787.761812][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1787.761812][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1787.761812][ T72] addrconf_dad_begin+0x310/0x670 [ 1787.761812][ T72] addrconf_dad_work+0x10b/0xab0 [ 1787.761812][ T72] process_one_work+0x84d/0x18a0 [ 1787.761812][ T72] worker_thread+0x587/0xd30 [ 1787.761812][ T72] kthread+0x28a/0x350 [ 1787.761812][ T72] ret_from_fork+0x31/0x70 [ 1787.761812][ T72] ret_from_fork_asm+0x1a/0x30 [ 1787.761812][ T72] [ 1787.763881][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1787.763881][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.763881][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.763881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.763881][ T72] ip6_route_add+0x1c/0x140 [ 1787.763881][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1787.763881][ T72] inet6_addr_add+0x4f8/0xa40 [ 1787.763881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.763881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.763881][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.763881][ T72] netlink_unicast+0x449/0x710 [ 1787.763881][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.763881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.763881][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.763881][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.763881][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.763881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.763881][ T72] [ 1787.766104][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1787.766104][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.766104][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.766104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.766104][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1787.766104][ T72] ipv6_add_addr+0x411/0x2000 [ 1787.766104][ T72] inet6_addr_add+0x30e/0xa40 [ 1787.766104][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.766104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.766104][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.766104][ T72] netlink_unicast+0x449/0x710 [ 1787.766104][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.766104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.766104][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.766104][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.766104][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.766104][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.766104][ T72] [ 1787.768399][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1787.768399][ T72] netdev_get_by_index+0x5e/0x80 [ 1787.768399][ T72] fib6_nh_init+0x3d8/0x1580 [ 1787.768399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1787.768399][ T72] ip6_route_add+0x1c/0x140 [ 1787.768399][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1787.768399][ T72] addrconf_add_dev+0xe2/0x170 [ 1787.768399][ T72] inet6_addr_add+0x12f/0xa40 [ 1787.768399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.768399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.768399][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.768399][ T72] netlink_unicast+0x449/0x710 [ 1787.768399][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.768399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.768399][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.768399][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.768399][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.768399][ T72] [ 1787.770590][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1787.770590][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1787.770590][ T72] ipv6_find_idev+0x102/0x170 [ 1787.770590][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.770590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.770590][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.770590][ T72] netlink_unicast+0x449/0x710 [ 1787.770590][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.770590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.770590][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.770590][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.770590][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.770590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.770590][ T72] [ 1787.772322][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1787.772322][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1787.772322][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1787.772322][ T72] ipv6_find_idev+0x102/0x170 [ 1787.772322][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.772322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.772322][ T72] netlink_rcv_skb+0x130/0x360 [ 1787.772322][ T72] netlink_unicast+0x449/0x710 [ 1787.772322][ T72] netlink_sendmsg+0x723/0xbe0 [ 1787.772322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1787.772322][ T72] ___sys_sendmsg+0xee/0x170 [ 1787.772322][ T72] __sys_sendmsg+0xcd/0x170 [ 1787.772322][ T72] do_syscall_64+0xc6/0x1e0 [ 1787.772322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.772322][ T72] [ 1798.016904][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1798.017384][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1798.017384][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1798.017384][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1798.017384][ T72] fib6_nh_init+0xa22/0x1580 [ 1798.017384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.017384][ T72] ip6_route_add+0x1c/0x140 [ 1798.017384][ T72] inet6_rtm_newroute+0x104/0x110 [ 1798.017384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.017384][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.017384][ T72] netlink_unicast+0x449/0x710 [ 1798.017384][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.017384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.017384][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.017384][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.017384][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.017384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.017384][ T72] [ 1798.019284][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1798.019284][ T72] dst_init+0x84/0x4a0 [ 1798.019284][ T72] dst_alloc+0x97/0x150 [ 1798.019284][ T72] ip6_dst_alloc+0x23/0x90 [ 1798.019284][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1798.019284][ T72] ip6_pol_route+0x56f/0x840 [ 1798.019284][ T72] fib6_rule_lookup+0x456/0x630 [ 1798.019284][ T72] ip6_route_input+0x59c/0xa50 [ 1798.019284][ T72] ipv6_rcv+0x397/0x810 [ 1798.019284][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1798.019284][ T72] process_backlog+0x101/0x620 [ 1798.019284][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1798.019284][ T72] net_rx_action+0x495/0xbe0 [ 1798.019284][ T72] __do_softirq+0x1b5/0x7f6 [ 1798.019284][ T72] [ 1798.020914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1798.020914][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.020914][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.020914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.020914][ T72] ip6_route_add+0x1c/0x140 [ 1798.020914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1798.020914][ T72] inet6_addr_add+0x4f8/0xa40 [ 1798.020914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.020914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.020914][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.020914][ T72] netlink_unicast+0x449/0x710 [ 1798.020914][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.020914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.020914][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.020914][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.020914][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.020914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.020914][ T72] [ 1798.022892][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1798.022892][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.022892][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.022892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.022892][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1798.022892][ T72] ipv6_add_addr+0x411/0x2000 [ 1798.022892][ T72] inet6_addr_add+0x30e/0xa40 [ 1798.022892][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.022892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.022892][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.022892][ T72] netlink_unicast+0x449/0x710 [ 1798.022892][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.022892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.022892][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.022892][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.022892][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.022892][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.022892][ T72] [ 1798.024870][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1798.024870][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.024870][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.024870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.024870][ T72] ip6_route_add+0x1c/0x140 [ 1798.024870][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1798.024870][ T72] addrconf_add_dev+0xe2/0x170 [ 1798.024870][ T72] inet6_addr_add+0x12f/0xa40 [ 1798.024870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.024870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.024870][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.024870][ T72] netlink_unicast+0x449/0x710 [ 1798.024870][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.024870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.024870][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.024870][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.024870][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.024870][ T72] [ 1798.026819][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1798.026819][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1798.026819][ T72] ipv6_find_idev+0x102/0x170 [ 1798.026819][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.026819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.026819][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.026819][ T72] netlink_unicast+0x449/0x710 [ 1798.026819][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.026819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.026819][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.026819][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.026819][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.026819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.026819][ T72] [ 1798.028344][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1798.028344][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1798.028344][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1798.028344][ T72] ipv6_find_idev+0x102/0x170 [ 1798.028344][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.028344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.028344][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.028344][ T72] netlink_unicast+0x449/0x710 [ 1798.028344][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.028344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.028344][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.028344][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.028344][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.028344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.028344][ T72] [ 1798.030028][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1798.030294][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1798.030294][ T72] dst_init+0x84/0x4a0 [ 1798.030294][ T72] dst_alloc+0x97/0x150 [ 1798.030294][ T72] ip6_dst_alloc+0x23/0x90 [ 1798.030294][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1798.030294][ T72] ip6_pol_route+0x56f/0x840 [ 1798.030294][ T72] fib6_rule_lookup+0x456/0x630 [ 1798.030294][ T72] ip6_route_input+0x59c/0xa50 [ 1798.030294][ T72] ipv6_rcv+0x397/0x810 [ 1798.030294][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1798.030294][ T72] process_backlog+0x101/0x620 [ 1798.030294][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1798.030294][ T72] net_rx_action+0x495/0xbe0 [ 1798.030294][ T72] __do_softirq+0x1b5/0x7f6 [ 1798.030294][ T72] [ 1798.031926][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1798.031926][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.031926][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.031926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.031926][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1798.031926][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1798.031926][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1798.031926][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1798.031926][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1798.031926][ T72] addrconf_dad_begin+0x310/0x670 [ 1798.031926][ T72] addrconf_dad_work+0x10b/0xab0 [ 1798.031926][ T72] process_one_work+0x84d/0x18a0 [ 1798.031926][ T72] worker_thread+0x587/0xd30 [ 1798.031926][ T72] kthread+0x28a/0x350 [ 1798.031926][ T72] ret_from_fork+0x31/0x70 [ 1798.031926][ T72] ret_from_fork_asm+0x1a/0x30 [ 1798.031926][ T72] [ 1798.033867][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1798.033867][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.033867][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.033867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.033867][ T72] ip6_route_add+0x1c/0x140 [ 1798.033867][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1798.033867][ T72] inet6_addr_add+0x4f8/0xa40 [ 1798.033867][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.033867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.033867][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.033867][ T72] netlink_unicast+0x449/0x710 [ 1798.033867][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.033867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.033867][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.033867][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.033867][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.033867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.033867][ T72] [ 1798.035844][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1798.035844][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.035844][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.035844][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.035844][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1798.035844][ T72] ipv6_add_addr+0x411/0x2000 [ 1798.035844][ T72] inet6_addr_add+0x30e/0xa40 [ 1798.035844][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.035844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.035844][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.035844][ T72] netlink_unicast+0x449/0x710 [ 1798.035844][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.035844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.035844][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.035844][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.035844][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.035844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.035844][ T72] [ 1798.037823][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1798.037823][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.037823][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.037823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.037823][ T72] ip6_route_add+0x1c/0x140 [ 1798.037823][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1798.037823][ T72] addrconf_add_dev+0xe2/0x170 [ 1798.037823][ T72] inet6_addr_add+0x12f/0xa40 [ 1798.037823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.037823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.037823][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.037823][ T72] netlink_unicast+0x449/0x710 [ 1798.037823][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.037823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.037823][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.037823][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.037823][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.037823][ T72] [ 1798.039786][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1798.039786][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1798.039786][ T72] ipv6_find_idev+0x102/0x170 [ 1798.039786][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.039786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.039786][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.039786][ T72] netlink_unicast+0x449/0x710 [ 1798.039786][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.039786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.039786][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.039786][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.039786][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.039786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.039786][ T72] [ 1798.041306][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1798.041306][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1798.041306][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1798.041306][ T72] ipv6_find_idev+0x102/0x170 [ 1798.041306][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.041306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.041306][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.041306][ T72] netlink_unicast+0x449/0x710 [ 1798.041306][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.041306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.041306][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.041306][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.041306][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.041306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.041306][ T72] [ 1798.043044][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1798.043380][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1798.043380][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1798.043380][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1798.043380][ T72] fib6_nh_init+0xa22/0x1580 [ 1798.043380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.043380][ T72] ip6_route_add+0x1c/0x140 [ 1798.043380][ T72] inet6_rtm_newroute+0x104/0x110 [ 1798.043380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.043380][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.043380][ T72] netlink_unicast+0x449/0x710 [ 1798.043380][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.043380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.043380][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.043380][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.043380][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.043380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.043380][ T72] [ 1798.045415][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1798.045415][ T72] dst_init+0x84/0x4a0 [ 1798.045415][ T72] dst_alloc+0x97/0x150 [ 1798.045415][ T72] ip6_dst_alloc+0x23/0x90 [ 1798.045415][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1798.045415][ T72] ip6_pol_route+0x56f/0x840 [ 1798.045415][ T72] fib6_rule_lookup+0x456/0x630 [ 1798.045415][ T72] ip6_route_input+0x59c/0xa50 [ 1798.045415][ T72] ipv6_rcv+0x397/0x810 [ 1798.045415][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1798.045415][ T72] process_backlog+0x101/0x620 [ 1798.045415][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1798.045415][ T72] net_rx_action+0x495/0xbe0 [ 1798.045415][ T72] __do_softirq+0x1b5/0x7f6 [ 1798.045415][ T72] [ 1798.047211][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1798.047211][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.047211][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.047211][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.047211][ T72] ip6_route_add+0x1c/0x140 [ 1798.047211][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1798.047211][ T72] inet6_addr_add+0x4f8/0xa40 [ 1798.047211][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.047211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.047211][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.047211][ T72] netlink_unicast+0x449/0x710 [ 1798.047211][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.047211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.047211][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.047211][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.047211][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.047211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.047211][ T72] [ 1798.049975][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1798.049975][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.049975][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.049975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.049975][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1798.049975][ T72] ipv6_add_addr+0x411/0x2000 [ 1798.049975][ T72] inet6_addr_add+0x30e/0xa40 [ 1798.049975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.049975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.049975][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.049975][ T72] netlink_unicast+0x449/0x710 [ 1798.049975][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.049975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.049975][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.049975][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.049975][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.049975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.049975][ T72] [ 1798.052189][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1798.052189][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.052189][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.052189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.052189][ T72] ip6_route_add+0x1c/0x140 [ 1798.052189][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1798.052189][ T72] addrconf_add_dev+0xe2/0x170 [ 1798.052189][ T72] inet6_addr_add+0x12f/0xa40 [ 1798.052189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.052189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.052189][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.052189][ T72] netlink_unicast+0x449/0x710 [ 1798.052189][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.052189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.052189][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.052189][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.052189][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.052189][ T72] [ 1798.054435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1798.054435][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1798.054435][ T72] ipv6_find_idev+0x102/0x170 [ 1798.054435][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.054435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.054435][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.054435][ T72] netlink_unicast+0x449/0x710 [ 1798.054435][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.054435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.054435][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.054435][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.054435][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.054435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.054435][ T72] [ 1798.056134][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1798.056134][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1798.056134][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1798.056134][ T72] ipv6_find_idev+0x102/0x170 [ 1798.056134][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.056134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.056134][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.056134][ T72] netlink_unicast+0x449/0x710 [ 1798.056134][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.056134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.056134][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.056134][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.056134][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.056134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.056134][ T72] [ 1798.057977][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1798.058307][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1798.058307][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.058307][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.058307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.058307][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1798.058307][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1798.058307][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1798.058307][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1798.058307][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1798.058307][ T72] addrconf_dad_begin+0x310/0x670 [ 1798.058307][ T72] addrconf_dad_work+0x10b/0xab0 [ 1798.058307][ T72] process_one_work+0x84d/0x18a0 [ 1798.058307][ T72] worker_thread+0x587/0xd30 [ 1798.058307][ T72] kthread+0x28a/0x350 [ 1798.058307][ T72] ret_from_fork+0x31/0x70 [ 1798.058307][ T72] ret_from_fork_asm+0x1a/0x30 [ 1798.058307][ T72] [ 1798.060378][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1798.060378][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.060378][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.060378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.060378][ T72] ip6_route_add+0x1c/0x140 [ 1798.060378][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1798.060378][ T72] inet6_addr_add+0x4f8/0xa40 [ 1798.060378][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.060378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.060378][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.060378][ T72] netlink_unicast+0x449/0x710 [ 1798.060378][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.060378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.060378][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.060378][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.060378][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.060378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.060378][ T72] [ 1798.062599][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1798.062599][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.062599][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.062599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.062599][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1798.062599][ T72] ipv6_add_addr+0x411/0x2000 [ 1798.062599][ T72] inet6_addr_add+0x30e/0xa40 [ 1798.062599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.062599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.062599][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.062599][ T72] netlink_unicast+0x449/0x710 [ 1798.062599][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.062599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.062599][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.062599][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.062599][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.062599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.062599][ T72] [ 1798.064877][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1798.064877][ T72] netdev_get_by_index+0x5e/0x80 [ 1798.064877][ T72] fib6_nh_init+0x3d8/0x1580 [ 1798.064877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1798.064877][ T72] ip6_route_add+0x1c/0x140 [ 1798.064877][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1798.064877][ T72] addrconf_add_dev+0xe2/0x170 [ 1798.064877][ T72] inet6_addr_add+0x12f/0xa40 [ 1798.064877][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1798.064877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.064877][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.064877][ T72] netlink_unicast+0x449/0x710 [ 1798.064877][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.064877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.064877][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.064877][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.064877][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.064877][ T72] [ 1798.067460][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1798.067460][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1798.067460][ T72] ipv6_find_idev+0x102/0x170 [ 1798.067460][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.067460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.067460][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.067460][ T72] netlink_unicast+0x449/0x710 [ 1798.067460][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.067460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.067460][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.067460][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.067460][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.067460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.067460][ T72] [ 1798.069537][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1798.069537][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1798.069537][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1798.069537][ T72] ipv6_find_idev+0x102/0x170 [ 1798.069537][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1798.069537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1798.069537][ T72] netlink_rcv_skb+0x130/0x360 [ 1798.069537][ T72] netlink_unicast+0x449/0x710 [ 1798.069537][ T72] netlink_sendmsg+0x723/0xbe0 [ 1798.069537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1798.069537][ T72] ___sys_sendmsg+0xee/0x170 [ 1798.069537][ T72] __sys_sendmsg+0xcd/0x170 [ 1798.069537][ T72] do_syscall_64+0xc6/0x1e0 [ 1798.069537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1798.069537][ T72] [ 1808.312921][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1808.313481][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1808.313481][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1808.313481][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1808.313481][ T72] fib6_nh_init+0xa22/0x1580 [ 1808.313481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.313481][ T72] ip6_route_add+0x1c/0x140 [ 1808.313481][ T72] inet6_rtm_newroute+0x104/0x110 [ 1808.313481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.313481][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.313481][ T72] netlink_unicast+0x449/0x710 [ 1808.313481][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.313481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.313481][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.313481][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.313481][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.313481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.313481][ T72] [ 1808.315490][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1808.315490][ T72] dst_init+0x84/0x4a0 [ 1808.315490][ T72] dst_alloc+0x97/0x150 [ 1808.315490][ T72] ip6_dst_alloc+0x23/0x90 [ 1808.315490][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1808.315490][ T72] ip6_pol_route+0x56f/0x840 [ 1808.315490][ T72] fib6_rule_lookup+0x456/0x630 [ 1808.315490][ T72] ip6_route_input+0x59c/0xa50 [ 1808.315490][ T72] ipv6_rcv+0x397/0x810 [ 1808.315490][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1808.315490][ T72] process_backlog+0x101/0x620 [ 1808.315490][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1808.315490][ T72] net_rx_action+0x495/0xbe0 [ 1808.315490][ T72] __do_softirq+0x1b5/0x7f6 [ 1808.315490][ T72] [ 1808.317218][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1808.317218][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.317218][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.317218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.317218][ T72] ip6_route_add+0x1c/0x140 [ 1808.317218][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1808.317218][ T72] inet6_addr_add+0x4f8/0xa40 [ 1808.317218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.317218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.317218][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.317218][ T72] netlink_unicast+0x449/0x710 [ 1808.317218][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.317218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.317218][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.317218][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.317218][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.317218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.317218][ T72] [ 1808.319343][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1808.319343][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.319343][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.319343][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.319343][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1808.319343][ T72] ipv6_add_addr+0x411/0x2000 [ 1808.319343][ T72] inet6_addr_add+0x30e/0xa40 [ 1808.319343][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.319343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.319343][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.319343][ T72] netlink_unicast+0x449/0x710 [ 1808.319343][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.319343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.319343][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.319343][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.319343][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.319343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.319343][ T72] [ 1808.321438][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1808.321438][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.321438][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.321438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.321438][ T72] ip6_route_add+0x1c/0x140 [ 1808.321438][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1808.321438][ T72] addrconf_add_dev+0xe2/0x170 [ 1808.321438][ T72] inet6_addr_add+0x12f/0xa40 [ 1808.321438][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.321438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.321438][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.321438][ T72] netlink_unicast+0x449/0x710 [ 1808.321438][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.321438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.321438][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.321438][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.321438][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.321438][ T72] [ 1808.323499][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1808.323499][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1808.323499][ T72] ipv6_find_idev+0x102/0x170 [ 1808.323499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.323499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.323499][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.323499][ T72] netlink_unicast+0x449/0x710 [ 1808.323499][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.323499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.323499][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.323499][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.323499][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.323499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.323499][ T72] [ 1808.325111][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1808.325111][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1808.325111][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1808.325111][ T72] ipv6_find_idev+0x102/0x170 [ 1808.325111][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.325111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.325111][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.325111][ T72] netlink_unicast+0x449/0x710 [ 1808.325111][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.325111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.325111][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.325111][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.325111][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.325111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.325111][ T72] [ 1808.326916][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1808.327206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1808.327206][ T72] dst_init+0x84/0x4a0 [ 1808.327206][ T72] dst_alloc+0x97/0x150 [ 1808.327206][ T72] ip6_dst_alloc+0x23/0x90 [ 1808.327206][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1808.327206][ T72] ip6_pol_route+0x56f/0x840 [ 1808.327206][ T72] fib6_rule_lookup+0x456/0x630 [ 1808.327206][ T72] ip6_route_input+0x59c/0xa50 [ 1808.327206][ T72] ipv6_rcv+0x397/0x810 [ 1808.327206][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1808.327206][ T72] process_backlog+0x101/0x620 [ 1808.327206][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1808.327206][ T72] net_rx_action+0x495/0xbe0 [ 1808.327206][ T72] __do_softirq+0x1b5/0x7f6 [ 1808.327206][ T72] [ 1808.328933][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1808.328933][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.328933][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.328933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.328933][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1808.328933][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1808.328933][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1808.328933][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1808.328933][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1808.328933][ T72] addrconf_dad_begin+0x310/0x670 [ 1808.328933][ T72] addrconf_dad_work+0x10b/0xab0 [ 1808.328933][ T72] process_one_work+0x84d/0x18a0 [ 1808.328933][ T72] worker_thread+0x587/0xd30 [ 1808.328933][ T72] kthread+0x28a/0x350 [ 1808.328933][ T72] ret_from_fork+0x31/0x70 [ 1808.328933][ T72] ret_from_fork_asm+0x1a/0x30 [ 1808.328933][ T72] [ 1808.330957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1808.330957][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.330957][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.330957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.330957][ T72] ip6_route_add+0x1c/0x140 [ 1808.330957][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1808.330957][ T72] inet6_addr_add+0x4f8/0xa40 [ 1808.330957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.330957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.330957][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.330957][ T72] netlink_unicast+0x449/0x710 [ 1808.330957][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.330957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.330957][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.330957][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.330957][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.330957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.330957][ T72] [ 1808.333053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1808.333053][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.333053][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.333053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.333053][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1808.333053][ T72] ipv6_add_addr+0x411/0x2000 [ 1808.333053][ T72] inet6_addr_add+0x30e/0xa40 [ 1808.333053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.333053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.333053][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.333053][ T72] netlink_unicast+0x449/0x710 [ 1808.333053][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.333053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.333053][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.333053][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.333053][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.333053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.333053][ T72] [ 1808.335158][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1808.335158][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.335158][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.335158][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.335158][ T72] ip6_route_add+0x1c/0x140 [ 1808.335158][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1808.335158][ T72] addrconf_add_dev+0xe2/0x170 [ 1808.335158][ T72] inet6_addr_add+0x12f/0xa40 [ 1808.335158][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.335158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.335158][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.335158][ T72] netlink_unicast+0x449/0x710 [ 1808.335158][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.335158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.335158][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.335158][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.335158][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.335158][ T72] [ 1808.337232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1808.337232][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1808.337232][ T72] ipv6_find_idev+0x102/0x170 [ 1808.337232][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.337232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.337232][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.337232][ T72] netlink_unicast+0x449/0x710 [ 1808.337232][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.337232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.337232][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.337232][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.337232][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.337232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.337232][ T72] [ 1808.338776][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1808.338776][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1808.338776][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1808.338776][ T72] ipv6_find_idev+0x102/0x170 [ 1808.338776][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.338776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.338776][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.338776][ T72] netlink_unicast+0x449/0x710 [ 1808.338776][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.338776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.338776][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.338776][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.338776][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.338776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.338776][ T72] [ 1808.340625][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1808.340910][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1808.340910][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1808.340910][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1808.340910][ T72] fib6_nh_init+0xa22/0x1580 [ 1808.340910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.340910][ T72] ip6_route_add+0x1c/0x140 [ 1808.340910][ T72] inet6_rtm_newroute+0x104/0x110 [ 1808.340910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.340910][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.340910][ T72] netlink_unicast+0x449/0x710 [ 1808.340910][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.340910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.340910][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.340910][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.340910][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.340910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.340910][ T72] [ 1808.343103][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1808.343103][ T72] dst_init+0x84/0x4a0 [ 1808.343103][ T72] dst_alloc+0x97/0x150 [ 1808.343103][ T72] ip6_dst_alloc+0x23/0x90 [ 1808.343103][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1808.343103][ T72] ip6_pol_route+0x56f/0x840 [ 1808.343103][ T72] fib6_rule_lookup+0x456/0x630 [ 1808.343103][ T72] ip6_route_input+0x59c/0xa50 [ 1808.343103][ T72] ipv6_rcv+0x397/0x810 [ 1808.343103][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1808.343103][ T72] process_backlog+0x101/0x620 [ 1808.343103][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1808.343103][ T72] net_rx_action+0x495/0xbe0 [ 1808.343103][ T72] __do_softirq+0x1b5/0x7f6 [ 1808.343103][ T72] [ 1808.344920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1808.344920][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.344920][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.344920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.344920][ T72] ip6_route_add+0x1c/0x140 [ 1808.344920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1808.344920][ T72] inet6_addr_add+0x4f8/0xa40 [ 1808.344920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.344920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.344920][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.344920][ T72] netlink_unicast+0x449/0x710 [ 1808.344920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.344920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.344920][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.344920][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.344920][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.344920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.344920][ T72] [ 1808.347168][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1808.347168][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.347168][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.347168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.347168][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1808.347168][ T72] ipv6_add_addr+0x411/0x2000 [ 1808.347168][ T72] inet6_addr_add+0x30e/0xa40 [ 1808.347168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.347168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.347168][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.347168][ T72] netlink_unicast+0x449/0x710 [ 1808.347168][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.347168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.347168][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.347168][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.347168][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.347168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.347168][ T72] [ 1808.349352][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1808.349352][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.349352][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.349352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.349352][ T72] ip6_route_add+0x1c/0x140 [ 1808.349352][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1808.349352][ T72] addrconf_add_dev+0xe2/0x170 [ 1808.349352][ T72] inet6_addr_add+0x12f/0xa40 [ 1808.349352][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.349352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.349352][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.349352][ T72] netlink_unicast+0x449/0x710 [ 1808.349352][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.349352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.349352][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.349352][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.349352][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.349352][ T72] [ 1808.351629][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1808.351629][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1808.351629][ T72] ipv6_find_idev+0x102/0x170 [ 1808.351629][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.351629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.351629][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.351629][ T72] netlink_unicast+0x449/0x710 [ 1808.351629][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.351629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.351629][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.351629][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.351629][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.351629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.351629][ T72] [ 1808.353354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1808.353354][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1808.353354][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1808.353354][ T72] ipv6_find_idev+0x102/0x170 [ 1808.353354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.353354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.353354][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.353354][ T72] netlink_unicast+0x449/0x710 [ 1808.353354][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.353354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.353354][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.353354][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.353354][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.353354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.353354][ T72] [ 1808.355224][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1808.355568][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1808.355568][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.355568][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.355568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.355568][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1808.355568][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1808.355568][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1808.355568][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1808.355568][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1808.355568][ T72] addrconf_dad_begin+0x310/0x670 [ 1808.355568][ T72] addrconf_dad_work+0x10b/0xab0 [ 1808.355568][ T72] process_one_work+0x84d/0x18a0 [ 1808.355568][ T72] worker_thread+0x587/0xd30 [ 1808.355568][ T72] kthread+0x28a/0x350 [ 1808.355568][ T72] ret_from_fork+0x31/0x70 [ 1808.355568][ T72] ret_from_fork_asm+0x1a/0x30 [ 1808.355568][ T72] [ 1808.357602][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1808.357602][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.357602][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.357602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.357602][ T72] ip6_route_add+0x1c/0x140 [ 1808.357602][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1808.357602][ T72] inet6_addr_add+0x4f8/0xa40 [ 1808.357602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.357602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.357602][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.357602][ T72] netlink_unicast+0x449/0x710 [ 1808.357602][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.357602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.357602][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.357602][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.357602][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.357602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.357602][ T72] [ 1808.359850][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1808.359850][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.359850][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.359850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.359850][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1808.359850][ T72] ipv6_add_addr+0x411/0x2000 [ 1808.359850][ T72] inet6_addr_add+0x30e/0xa40 [ 1808.359850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.359850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.359850][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.359850][ T72] netlink_unicast+0x449/0x710 [ 1808.359850][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.359850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.359850][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.359850][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.359850][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.359850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.359850][ T72] [ 1808.362159][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1808.362159][ T72] netdev_get_by_index+0x5e/0x80 [ 1808.362159][ T72] fib6_nh_init+0x3d8/0x1580 [ 1808.362159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1808.362159][ T72] ip6_route_add+0x1c/0x140 [ 1808.362159][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1808.362159][ T72] addrconf_add_dev+0xe2/0x170 [ 1808.362159][ T72] inet6_addr_add+0x12f/0xa40 [ 1808.362159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1808.362159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.362159][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.362159][ T72] netlink_unicast+0x449/0x710 [ 1808.362159][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.362159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.362159][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.362159][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.362159][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.362159][ T72] [ 1808.364375][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1808.364375][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1808.364375][ T72] ipv6_find_idev+0x102/0x170 [ 1808.364375][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.364375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.364375][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.364375][ T72] netlink_unicast+0x449/0x710 [ 1808.364375][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.364375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.364375][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.364375][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.364375][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.364375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.364375][ T72] [ 1808.366110][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1808.366110][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1808.366110][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1808.366110][ T72] ipv6_find_idev+0x102/0x170 [ 1808.366110][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1808.366110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1808.366110][ T72] netlink_rcv_skb+0x130/0x360 [ 1808.366110][ T72] netlink_unicast+0x449/0x710 [ 1808.366110][ T72] netlink_sendmsg+0x723/0xbe0 [ 1808.366110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1808.366110][ T72] ___sys_sendmsg+0xee/0x170 [ 1808.366110][ T72] __sys_sendmsg+0xcd/0x170 [ 1808.366110][ T72] do_syscall_64+0xc6/0x1e0 [ 1808.366110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1808.366110][ T72] [ 1818.609021][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1818.609574][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1818.609574][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1818.609574][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1818.609574][ T72] fib6_nh_init+0xa22/0x1580 [ 1818.609574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.609574][ T72] ip6_route_add+0x1c/0x140 [ 1818.609574][ T72] inet6_rtm_newroute+0x104/0x110 [ 1818.609574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.609574][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.609574][ T72] netlink_unicast+0x449/0x710 [ 1818.609574][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.609574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.609574][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.609574][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.609574][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.609574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.609574][ T72] [ 1818.611487][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1818.611487][ T72] dst_init+0x84/0x4a0 [ 1818.611487][ T72] dst_alloc+0x97/0x150 [ 1818.611487][ T72] ip6_dst_alloc+0x23/0x90 [ 1818.611487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1818.611487][ T72] ip6_pol_route+0x56f/0x840 [ 1818.611487][ T72] fib6_rule_lookup+0x456/0x630 [ 1818.611487][ T72] ip6_route_input+0x59c/0xa50 [ 1818.611487][ T72] ipv6_rcv+0x397/0x810 [ 1818.611487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1818.611487][ T72] process_backlog+0x101/0x620 [ 1818.611487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1818.611487][ T72] net_rx_action+0x495/0xbe0 [ 1818.611487][ T72] __do_softirq+0x1b5/0x7f6 [ 1818.611487][ T72] [ 1818.613136][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1818.613136][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.613136][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.613136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.613136][ T72] ip6_route_add+0x1c/0x140 [ 1818.613136][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1818.613136][ T72] inet6_addr_add+0x4f8/0xa40 [ 1818.613136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.613136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.613136][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.613136][ T72] netlink_unicast+0x449/0x710 [ 1818.613136][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.613136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.613136][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.613136][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.613136][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.613136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.613136][ T72] [ 1818.615143][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1818.615143][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.615143][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.615143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.615143][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1818.615143][ T72] ipv6_add_addr+0x411/0x2000 [ 1818.615143][ T72] inet6_addr_add+0x30e/0xa40 [ 1818.615143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.615143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.615143][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.615143][ T72] netlink_unicast+0x449/0x710 [ 1818.615143][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.615143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.615143][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.615143][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.615143][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.615143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.615143][ T72] [ 1818.617156][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1818.617156][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.617156][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.617156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.617156][ T72] ip6_route_add+0x1c/0x140 [ 1818.617156][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1818.617156][ T72] addrconf_add_dev+0xe2/0x170 [ 1818.617156][ T72] inet6_addr_add+0x12f/0xa40 [ 1818.617156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.617156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.617156][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.617156][ T72] netlink_unicast+0x449/0x710 [ 1818.617156][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.617156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.617156][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.617156][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.617156][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.617156][ T72] [ 1818.619132][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1818.619132][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1818.619132][ T72] ipv6_find_idev+0x102/0x170 [ 1818.619132][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.619132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.619132][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.619132][ T72] netlink_unicast+0x449/0x710 [ 1818.619132][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.619132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.619132][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.619132][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.619132][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.619132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.619132][ T72] [ 1818.620681][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1818.620681][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1818.620681][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1818.620681][ T72] ipv6_find_idev+0x102/0x170 [ 1818.620681][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.620681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.620681][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.620681][ T72] netlink_unicast+0x449/0x710 [ 1818.620681][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.620681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.620681][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.620681][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.620681][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.620681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.620681][ T72] [ 1818.622409][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1818.622693][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1818.622693][ T72] dst_init+0x84/0x4a0 [ 1818.622693][ T72] dst_alloc+0x97/0x150 [ 1818.622693][ T72] ip6_dst_alloc+0x23/0x90 [ 1818.622693][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1818.622693][ T72] ip6_pol_route+0x56f/0x840 [ 1818.622693][ T72] fib6_rule_lookup+0x456/0x630 [ 1818.622693][ T72] ip6_route_input+0x59c/0xa50 [ 1818.622693][ T72] ipv6_rcv+0x397/0x810 [ 1818.622693][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1818.622693][ T72] process_backlog+0x101/0x620 [ 1818.622693][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1818.622693][ T72] net_rx_action+0x495/0xbe0 [ 1818.622693][ T72] __do_softirq+0x1b5/0x7f6 [ 1818.622693][ T72] [ 1818.624336][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1818.624336][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.624336][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.624336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.624336][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1818.624336][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1818.624336][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1818.624336][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1818.624336][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1818.624336][ T72] addrconf_dad_begin+0x310/0x670 [ 1818.624336][ T72] addrconf_dad_work+0x10b/0xab0 [ 1818.624336][ T72] process_one_work+0x84d/0x18a0 [ 1818.624336][ T72] worker_thread+0x587/0xd30 [ 1818.624336][ T72] kthread+0x28a/0x350 [ 1818.624336][ T72] ret_from_fork+0x31/0x70 [ 1818.624336][ T72] ret_from_fork_asm+0x1a/0x30 [ 1818.624336][ T72] [ 1818.626249][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1818.626249][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.626249][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.626249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.626249][ T72] ip6_route_add+0x1c/0x140 [ 1818.626249][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1818.626249][ T72] inet6_addr_add+0x4f8/0xa40 [ 1818.626249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.626249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.626249][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.626249][ T72] netlink_unicast+0x449/0x710 [ 1818.626249][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.626249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.626249][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.626249][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.626249][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.626249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.626249][ T72] [ 1818.628245][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1818.628245][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.628245][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.628245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.628245][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1818.628245][ T72] ipv6_add_addr+0x411/0x2000 [ 1818.628245][ T72] inet6_addr_add+0x30e/0xa40 [ 1818.628245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.628245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.628245][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.628245][ T72] netlink_unicast+0x449/0x710 [ 1818.628245][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.628245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.628245][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.628245][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.628245][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.628245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.628245][ T72] [ 1818.630251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1818.630251][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.630251][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.630251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.630251][ T72] ip6_route_add+0x1c/0x140 [ 1818.630251][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1818.630251][ T72] addrconf_add_dev+0xe2/0x170 [ 1818.630251][ T72] inet6_addr_add+0x12f/0xa40 [ 1818.630251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.630251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.630251][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.630251][ T72] netlink_unicast+0x449/0x710 [ 1818.630251][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.630251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.630251][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.630251][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.630251][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.630251][ T72] [ 1818.632231][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1818.632231][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1818.632231][ T72] ipv6_find_idev+0x102/0x170 [ 1818.632231][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.632231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.632231][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.632231][ T72] netlink_unicast+0x449/0x710 [ 1818.632231][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.632231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.632231][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.632231][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.632231][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.632231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.632231][ T72] [ 1818.633775][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1818.633775][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1818.633775][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1818.633775][ T72] ipv6_find_idev+0x102/0x170 [ 1818.633775][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.633775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.633775][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.633775][ T72] netlink_unicast+0x449/0x710 [ 1818.633775][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.633775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.633775][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.633775][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.633775][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.633775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.633775][ T72] [ 1818.635587][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1818.635867][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1818.635867][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1818.635867][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1818.635867][ T72] fib6_nh_init+0xa22/0x1580 [ 1818.635867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.635867][ T72] ip6_route_add+0x1c/0x140 [ 1818.635867][ T72] inet6_rtm_newroute+0x104/0x110 [ 1818.635867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.635867][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.635867][ T72] netlink_unicast+0x449/0x710 [ 1818.635867][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.635867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.635867][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.635867][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.635867][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.635867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.635867][ T72] [ 1818.638049][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1818.638049][ T72] dst_init+0x84/0x4a0 [ 1818.638049][ T72] dst_alloc+0x97/0x150 [ 1818.638049][ T72] ip6_dst_alloc+0x23/0x90 [ 1818.638049][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1818.638049][ T72] ip6_pol_route+0x56f/0x840 [ 1818.638049][ T72] fib6_rule_lookup+0x456/0x630 [ 1818.638049][ T72] ip6_route_input+0x59c/0xa50 [ 1818.638049][ T72] ipv6_rcv+0x397/0x810 [ 1818.638049][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1818.638049][ T72] process_backlog+0x101/0x620 [ 1818.638049][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1818.638049][ T72] net_rx_action+0x495/0xbe0 [ 1818.638049][ T72] __do_softirq+0x1b5/0x7f6 [ 1818.638049][ T72] [ 1818.639872][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1818.639872][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.639872][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.639872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.639872][ T72] ip6_route_add+0x1c/0x140 [ 1818.639872][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1818.639872][ T72] inet6_addr_add+0x4f8/0xa40 [ 1818.639872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.639872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.639872][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.639872][ T72] netlink_unicast+0x449/0x710 [ 1818.639872][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.639872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.639872][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.639872][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.639872][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.639872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.639872][ T72] [ 1818.642118][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1818.642118][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.642118][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.642118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.642118][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1818.642118][ T72] ipv6_add_addr+0x411/0x2000 [ 1818.642118][ T72] inet6_addr_add+0x30e/0xa40 [ 1818.642118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.642118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.642118][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.642118][ T72] netlink_unicast+0x449/0x710 [ 1818.642118][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.642118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.642118][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.642118][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.642118][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.642118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.642118][ T72] [ 1818.644315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1818.644315][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.644315][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.644315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.644315][ T72] ip6_route_add+0x1c/0x140 [ 1818.644315][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1818.644315][ T72] addrconf_add_dev+0xe2/0x170 [ 1818.644315][ T72] inet6_addr_add+0x12f/0xa40 [ 1818.644315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.644315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.644315][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.644315][ T72] netlink_unicast+0x449/0x710 [ 1818.644315][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.644315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.644315][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.644315][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.644315][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.644315][ T72] [ 1818.646581][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1818.646581][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1818.646581][ T72] ipv6_find_idev+0x102/0x170 [ 1818.646581][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.646581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.646581][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.646581][ T72] netlink_unicast+0x449/0x710 [ 1818.646581][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.646581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.646581][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.646581][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.646581][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.646581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.646581][ T72] [ 1818.648304][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1818.648304][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1818.648304][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1818.648304][ T72] ipv6_find_idev+0x102/0x170 [ 1818.648304][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.648304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.648304][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.648304][ T72] netlink_unicast+0x449/0x710 [ 1818.648304][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.648304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.648304][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.648304][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.648304][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.648304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.648304][ T72] [ 1818.650176][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1818.650519][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1818.650519][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.650519][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.650519][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.650519][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1818.650519][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1818.650519][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1818.650519][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1818.650519][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1818.650519][ T72] addrconf_dad_begin+0x310/0x670 [ 1818.650519][ T72] addrconf_dad_work+0x10b/0xab0 [ 1818.650519][ T72] process_one_work+0x84d/0x18a0 [ 1818.650519][ T72] worker_thread+0x587/0xd30 [ 1818.650519][ T72] kthread+0x28a/0x350 [ 1818.650519][ T72] ret_from_fork+0x31/0x70 [ 1818.650519][ T72] ret_from_fork_asm+0x1a/0x30 [ 1818.650519][ T72] [ 1818.652608][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1818.652608][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.652608][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.652608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.652608][ T72] ip6_route_add+0x1c/0x140 [ 1818.652608][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1818.652608][ T72] inet6_addr_add+0x4f8/0xa40 [ 1818.652608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.652608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.652608][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.652608][ T72] netlink_unicast+0x449/0x710 [ 1818.652608][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.652608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.652608][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.652608][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.652608][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.652608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.652608][ T72] [ 1818.654847][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1818.654847][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.654847][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.654847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.654847][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1818.654847][ T72] ipv6_add_addr+0x411/0x2000 [ 1818.654847][ T72] inet6_addr_add+0x30e/0xa40 [ 1818.654847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.654847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.654847][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.654847][ T72] netlink_unicast+0x449/0x710 [ 1818.654847][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.654847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.654847][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.654847][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.654847][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.654847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.654847][ T72] [ 1818.657147][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1818.657147][ T72] netdev_get_by_index+0x5e/0x80 [ 1818.657147][ T72] fib6_nh_init+0x3d8/0x1580 [ 1818.657147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1818.657147][ T72] ip6_route_add+0x1c/0x140 [ 1818.657147][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1818.657147][ T72] addrconf_add_dev+0xe2/0x170 [ 1818.657147][ T72] inet6_addr_add+0x12f/0xa40 [ 1818.657147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1818.657147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.657147][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.657147][ T72] netlink_unicast+0x449/0x710 [ 1818.657147][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.657147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.657147][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.657147][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.657147][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.657147][ T72] [ 1818.659370][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1818.659370][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1818.659370][ T72] ipv6_find_idev+0x102/0x170 [ 1818.659370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.659370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.659370][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.659370][ T72] netlink_unicast+0x449/0x710 [ 1818.659370][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.659370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.659370][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.659370][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.659370][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.659370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.659370][ T72] [ 1818.661091][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1818.661091][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1818.661091][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1818.661091][ T72] ipv6_find_idev+0x102/0x170 [ 1818.661091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1818.661091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1818.661091][ T72] netlink_rcv_skb+0x130/0x360 [ 1818.661091][ T72] netlink_unicast+0x449/0x710 [ 1818.661091][ T72] netlink_sendmsg+0x723/0xbe0 [ 1818.661091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1818.661091][ T72] ___sys_sendmsg+0xee/0x170 [ 1818.661091][ T72] __sys_sendmsg+0xcd/0x170 [ 1818.661091][ T72] do_syscall_64+0xc6/0x1e0 [ 1818.661091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1818.661091][ T72] [ 1828.904950][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1828.906125][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1828.906125][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1828.906125][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1828.906125][ T72] fib6_nh_init+0xa22/0x1580 [ 1828.906125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.906125][ T72] ip6_route_add+0x1c/0x140 [ 1828.906125][ T72] inet6_rtm_newroute+0x104/0x110 [ 1828.906125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.906125][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.906125][ T72] netlink_unicast+0x449/0x710 [ 1828.906125][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.906125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.906125][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.906125][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.906125][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.906125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.906125][ T72] [ 1828.908062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1828.908062][ T72] dst_init+0x84/0x4a0 [ 1828.908062][ T72] dst_alloc+0x97/0x150 [ 1828.908062][ T72] ip6_dst_alloc+0x23/0x90 [ 1828.908062][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1828.908062][ T72] ip6_pol_route+0x56f/0x840 [ 1828.908062][ T72] fib6_rule_lookup+0x456/0x630 [ 1828.908062][ T72] ip6_route_input+0x59c/0xa50 [ 1828.908062][ T72] ipv6_rcv+0x397/0x810 [ 1828.908062][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1828.908062][ T72] process_backlog+0x101/0x620 [ 1828.908062][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1828.908062][ T72] net_rx_action+0x495/0xbe0 [ 1828.908062][ T72] __do_softirq+0x1b5/0x7f6 [ 1828.908062][ T72] [ 1828.909739][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1828.909739][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.909739][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.909739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.909739][ T72] ip6_route_add+0x1c/0x140 [ 1828.909739][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1828.909739][ T72] inet6_addr_add+0x4f8/0xa40 [ 1828.909739][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.909739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.909739][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.909739][ T72] netlink_unicast+0x449/0x710 [ 1828.909739][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.909739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.909739][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.909739][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.909739][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.909739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.909739][ T72] [ 1828.911770][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1828.911770][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.911770][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.911770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.911770][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1828.911770][ T72] ipv6_add_addr+0x411/0x2000 [ 1828.911770][ T72] inet6_addr_add+0x30e/0xa40 [ 1828.911770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.911770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.911770][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.911770][ T72] netlink_unicast+0x449/0x710 [ 1828.911770][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.911770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.911770][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.911770][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.911770][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.911770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.911770][ T72] [ 1828.913807][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1828.913807][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.913807][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.913807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.913807][ T72] ip6_route_add+0x1c/0x140 [ 1828.913807][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1828.913807][ T72] addrconf_add_dev+0xe2/0x170 [ 1828.913807][ T72] inet6_addr_add+0x12f/0xa40 [ 1828.913807][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.913807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.913807][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.913807][ T72] netlink_unicast+0x449/0x710 [ 1828.913807][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.913807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.913807][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.913807][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.913807][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.913807][ T72] [ 1828.915818][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1828.915818][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1828.915818][ T72] ipv6_find_idev+0x102/0x170 [ 1828.915818][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.915818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.915818][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.915818][ T72] netlink_unicast+0x449/0x710 [ 1828.915818][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.915818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.915818][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.915818][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.915818][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.915818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.915818][ T72] [ 1828.917329][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1828.917329][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1828.917329][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1828.917329][ T72] ipv6_find_idev+0x102/0x170 [ 1828.917329][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.917329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.917329][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.917329][ T72] netlink_unicast+0x449/0x710 [ 1828.917329][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.917329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.917329][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.917329][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.917329][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.917329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.917329][ T72] [ 1828.919040][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1828.919344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1828.919344][ T72] dst_init+0x84/0x4a0 [ 1828.919344][ T72] dst_alloc+0x97/0x150 [ 1828.919344][ T72] ip6_dst_alloc+0x23/0x90 [ 1828.919344][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1828.919344][ T72] ip6_pol_route+0x56f/0x840 [ 1828.919344][ T72] fib6_rule_lookup+0x456/0x630 [ 1828.919344][ T72] ip6_route_input+0x59c/0xa50 [ 1828.919344][ T72] ipv6_rcv+0x397/0x810 [ 1828.919344][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1828.919344][ T72] process_backlog+0x101/0x620 [ 1828.919344][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1828.919344][ T72] net_rx_action+0x495/0xbe0 [ 1828.919344][ T72] __do_softirq+0x1b5/0x7f6 [ 1828.919344][ T72] [ 1828.921018][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1828.921018][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.921018][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.921018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.921018][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1828.921018][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1828.921018][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1828.921018][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1828.921018][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1828.921018][ T72] addrconf_dad_begin+0x310/0x670 [ 1828.921018][ T72] addrconf_dad_work+0x10b/0xab0 [ 1828.921018][ T72] process_one_work+0x84d/0x18a0 [ 1828.921018][ T72] worker_thread+0x587/0xd30 [ 1828.921018][ T72] kthread+0x28a/0x350 [ 1828.921018][ T72] ret_from_fork+0x31/0x70 [ 1828.921018][ T72] ret_from_fork_asm+0x1a/0x30 [ 1828.921018][ T72] [ 1828.922944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1828.922944][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.922944][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.922944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.922944][ T72] ip6_route_add+0x1c/0x140 [ 1828.922944][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1828.922944][ T72] inet6_addr_add+0x4f8/0xa40 [ 1828.922944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.922944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.922944][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.922944][ T72] netlink_unicast+0x449/0x710 [ 1828.922944][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.922944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.922944][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.922944][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.922944][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.922944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.922944][ T72] [ 1828.924959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1828.924959][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.924959][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.924959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.924959][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1828.924959][ T72] ipv6_add_addr+0x411/0x2000 [ 1828.924959][ T72] inet6_addr_add+0x30e/0xa40 [ 1828.924959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.924959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.924959][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.924959][ T72] netlink_unicast+0x449/0x710 [ 1828.924959][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.924959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.924959][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.924959][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.924959][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.924959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.924959][ T72] [ 1828.926989][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1828.926989][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.926989][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.926989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.926989][ T72] ip6_route_add+0x1c/0x140 [ 1828.926989][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1828.926989][ T72] addrconf_add_dev+0xe2/0x170 [ 1828.926989][ T72] inet6_addr_add+0x12f/0xa40 [ 1828.926989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.926989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.926989][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.926989][ T72] netlink_unicast+0x449/0x710 [ 1828.926989][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.926989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.926989][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.926989][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.926989][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.926989][ T72] [ 1828.928967][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1828.928967][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1828.928967][ T72] ipv6_find_idev+0x102/0x170 [ 1828.928967][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.928967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.928967][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.928967][ T72] netlink_unicast+0x449/0x710 [ 1828.928967][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.928967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.928967][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.928967][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.928967][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.928967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.928967][ T72] [ 1828.930522][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1828.930522][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1828.930522][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1828.930522][ T72] ipv6_find_idev+0x102/0x170 [ 1828.930522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.930522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.930522][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.930522][ T72] netlink_unicast+0x449/0x710 [ 1828.930522][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.930522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.930522][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.930522][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.930522][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.930522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.930522][ T72] [ 1828.932343][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1828.932616][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1828.932616][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1828.932616][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1828.932616][ T72] fib6_nh_init+0xa22/0x1580 [ 1828.932616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.932616][ T72] ip6_route_add+0x1c/0x140 [ 1828.932616][ T72] inet6_rtm_newroute+0x104/0x110 [ 1828.932616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.932616][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.932616][ T72] netlink_unicast+0x449/0x710 [ 1828.932616][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.932616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.932616][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.932616][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.932616][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.932616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.932616][ T72] [ 1828.934823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1828.934823][ T72] dst_init+0x84/0x4a0 [ 1828.934823][ T72] dst_alloc+0x97/0x150 [ 1828.934823][ T72] ip6_dst_alloc+0x23/0x90 [ 1828.934823][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1828.934823][ T72] ip6_pol_route+0x56f/0x840 [ 1828.934823][ T72] fib6_rule_lookup+0x456/0x630 [ 1828.934823][ T72] ip6_route_input+0x59c/0xa50 [ 1828.934823][ T72] ipv6_rcv+0x397/0x810 [ 1828.934823][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1828.934823][ T72] process_backlog+0x101/0x620 [ 1828.934823][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1828.934823][ T72] net_rx_action+0x495/0xbe0 [ 1828.934823][ T72] __do_softirq+0x1b5/0x7f6 [ 1828.934823][ T72] [ 1828.936645][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1828.936645][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.936645][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.936645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.936645][ T72] ip6_route_add+0x1c/0x140 [ 1828.936645][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1828.936645][ T72] inet6_addr_add+0x4f8/0xa40 [ 1828.936645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.936645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.936645][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.936645][ T72] netlink_unicast+0x449/0x710 [ 1828.936645][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.936645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.936645][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.936645][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.936645][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.936645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.936645][ T72] [ 1828.938896][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1828.938896][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.938896][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.938896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.938896][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1828.938896][ T72] ipv6_add_addr+0x411/0x2000 [ 1828.938896][ T72] inet6_addr_add+0x30e/0xa40 [ 1828.938896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.938896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.938896][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.938896][ T72] netlink_unicast+0x449/0x710 [ 1828.938896][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.938896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.938896][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.938896][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.938896][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.938896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.938896][ T72] [ 1828.941088][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1828.941088][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.941088][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.941088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.941088][ T72] ip6_route_add+0x1c/0x140 [ 1828.941088][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1828.941088][ T72] addrconf_add_dev+0xe2/0x170 [ 1828.941088][ T72] inet6_addr_add+0x12f/0xa40 [ 1828.941088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.941088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.941088][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.941088][ T72] netlink_unicast+0x449/0x710 [ 1828.941088][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.941088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.941088][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.941088][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.941088][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.941088][ T72] [ 1828.943372][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1828.943372][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1828.943372][ T72] ipv6_find_idev+0x102/0x170 [ 1828.943372][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.943372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.943372][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.943372][ T72] netlink_unicast+0x449/0x710 [ 1828.943372][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.943372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.943372][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.943372][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.943372][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.943372][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.943372][ T72] [ 1828.945101][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1828.945101][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1828.945101][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1828.945101][ T72] ipv6_find_idev+0x102/0x170 [ 1828.945101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.945101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.945101][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.945101][ T72] netlink_unicast+0x449/0x710 [ 1828.945101][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.945101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.945101][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.945101][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.945101][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.945101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.945101][ T72] [ 1828.947025][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1828.947308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1828.947308][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.947308][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.947308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.947308][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1828.947308][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1828.947308][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1828.947308][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1828.947308][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1828.947308][ T72] addrconf_dad_begin+0x310/0x670 [ 1828.947308][ T72] addrconf_dad_work+0x10b/0xab0 [ 1828.947308][ T72] process_one_work+0x84d/0x18a0 [ 1828.947308][ T72] worker_thread+0x587/0xd30 [ 1828.947308][ T72] kthread+0x28a/0x350 [ 1828.947308][ T72] ret_from_fork+0x31/0x70 [ 1828.947308][ T72] ret_from_fork_asm+0x1a/0x30 [ 1828.947308][ T72] [ 1828.950022][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1828.950022][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.950022][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.950022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.950022][ T72] ip6_route_add+0x1c/0x140 [ 1828.950022][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1828.950022][ T72] inet6_addr_add+0x4f8/0xa40 [ 1828.950022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.950022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.950022][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.950022][ T72] netlink_unicast+0x449/0x710 [ 1828.950022][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.950022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.950022][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.950022][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.950022][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.950022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.950022][ T72] [ 1828.952276][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1828.952276][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.952276][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.952276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.952276][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1828.952276][ T72] ipv6_add_addr+0x411/0x2000 [ 1828.952276][ T72] inet6_addr_add+0x30e/0xa40 [ 1828.952276][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.952276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.952276][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.952276][ T72] netlink_unicast+0x449/0x710 [ 1828.952276][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.952276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.952276][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.952276][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.952276][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.952276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.952276][ T72] [ 1828.954966][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1828.954966][ T72] netdev_get_by_index+0x5e/0x80 [ 1828.954966][ T72] fib6_nh_init+0x3d8/0x1580 [ 1828.954966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1828.954966][ T72] ip6_route_add+0x1c/0x140 [ 1828.954966][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1828.954966][ T72] addrconf_add_dev+0xe2/0x170 [ 1828.954966][ T72] inet6_addr_add+0x12f/0xa40 [ 1828.954966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1828.954966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.954966][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.954966][ T72] netlink_unicast+0x449/0x710 [ 1828.954966][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.954966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.954966][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.954966][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.954966][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.954966][ T72] [ 1828.957118][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1828.957118][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1828.957118][ T72] ipv6_find_idev+0x102/0x170 [ 1828.957118][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.957118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.957118][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.957118][ T72] netlink_unicast+0x449/0x710 [ 1828.957118][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.957118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.957118][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.957118][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.957118][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.957118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.957118][ T72] [ 1828.958850][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1828.958850][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1828.958850][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1828.958850][ T72] ipv6_find_idev+0x102/0x170 [ 1828.958850][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1828.958850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1828.958850][ T72] netlink_rcv_skb+0x130/0x360 [ 1828.958850][ T72] netlink_unicast+0x449/0x710 [ 1828.958850][ T72] netlink_sendmsg+0x723/0xbe0 [ 1828.958850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1828.958850][ T72] ___sys_sendmsg+0xee/0x170 [ 1828.958850][ T72] __sys_sendmsg+0xcd/0x170 [ 1828.958850][ T72] do_syscall_64+0xc6/0x1e0 [ 1828.958850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1828.958850][ T72] [ 1839.201017][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1839.201553][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1839.201553][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1839.201553][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1839.201553][ T72] fib6_nh_init+0xa22/0x1580 [ 1839.201553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.201553][ T72] ip6_route_add+0x1c/0x140 [ 1839.201553][ T72] inet6_rtm_newroute+0x104/0x110 [ 1839.201553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.201553][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.201553][ T72] netlink_unicast+0x449/0x710 [ 1839.201553][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.201553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.201553][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.201553][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.201553][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.201553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.201553][ T72] [ 1839.203488][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1839.203488][ T72] dst_init+0x84/0x4a0 [ 1839.203488][ T72] dst_alloc+0x97/0x150 [ 1839.203488][ T72] ip6_dst_alloc+0x23/0x90 [ 1839.203488][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1839.203488][ T72] ip6_pol_route+0x56f/0x840 [ 1839.203488][ T72] fib6_rule_lookup+0x456/0x630 [ 1839.203488][ T72] ip6_route_input+0x59c/0xa50 [ 1839.203488][ T72] ipv6_rcv+0x397/0x810 [ 1839.203488][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1839.203488][ T72] process_backlog+0x101/0x620 [ 1839.203488][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1839.203488][ T72] net_rx_action+0x495/0xbe0 [ 1839.203488][ T72] __do_softirq+0x1b5/0x7f6 [ 1839.203488][ T72] [ 1839.205141][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1839.205141][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.205141][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.205141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.205141][ T72] ip6_route_add+0x1c/0x140 [ 1839.205141][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1839.205141][ T72] inet6_addr_add+0x4f8/0xa40 [ 1839.205141][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.205141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.205141][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.205141][ T72] netlink_unicast+0x449/0x710 [ 1839.205141][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.205141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.205141][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.205141][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.205141][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.205141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.205141][ T72] [ 1839.207152][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1839.207152][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.207152][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.207152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.207152][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1839.207152][ T72] ipv6_add_addr+0x411/0x2000 [ 1839.207152][ T72] inet6_addr_add+0x30e/0xa40 [ 1839.207152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.207152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.207152][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.207152][ T72] netlink_unicast+0x449/0x710 [ 1839.207152][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.207152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.207152][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.207152][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.207152][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.207152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.207152][ T72] [ 1839.209152][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1839.209152][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.209152][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.209152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.209152][ T72] ip6_route_add+0x1c/0x140 [ 1839.209152][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1839.209152][ T72] addrconf_add_dev+0xe2/0x170 [ 1839.209152][ T72] inet6_addr_add+0x12f/0xa40 [ 1839.209152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.209152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.209152][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.209152][ T72] netlink_unicast+0x449/0x710 [ 1839.209152][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.209152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.209152][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.209152][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.209152][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.209152][ T72] [ 1839.211108][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1839.211108][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1839.211108][ T72] ipv6_find_idev+0x102/0x170 [ 1839.211108][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.211108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.211108][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.211108][ T72] netlink_unicast+0x449/0x710 [ 1839.211108][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.211108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.211108][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.211108][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.211108][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.211108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.211108][ T72] [ 1839.212641][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1839.212641][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1839.212641][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1839.212641][ T72] ipv6_find_idev+0x102/0x170 [ 1839.212641][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.212641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.212641][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.212641][ T72] netlink_unicast+0x449/0x710 [ 1839.212641][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.212641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.212641][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.212641][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.212641][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.212641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.212641][ T72] [ 1839.214323][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1839.214599][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1839.214599][ T72] dst_init+0x84/0x4a0 [ 1839.214599][ T72] dst_alloc+0x97/0x150 [ 1839.214599][ T72] ip6_dst_alloc+0x23/0x90 [ 1839.214599][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1839.214599][ T72] ip6_pol_route+0x56f/0x840 [ 1839.214599][ T72] fib6_rule_lookup+0x456/0x630 [ 1839.214599][ T72] ip6_route_input+0x59c/0xa50 [ 1839.214599][ T72] ipv6_rcv+0x397/0x810 [ 1839.214599][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1839.214599][ T72] process_backlog+0x101/0x620 [ 1839.214599][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1839.214599][ T72] net_rx_action+0x495/0xbe0 [ 1839.214599][ T72] __do_softirq+0x1b5/0x7f6 [ 1839.214599][ T72] [ 1839.216249][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1839.216249][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.216249][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.216249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.216249][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1839.216249][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1839.216249][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1839.216249][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1839.216249][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1839.216249][ T72] addrconf_dad_begin+0x310/0x670 [ 1839.216249][ T72] addrconf_dad_work+0x10b/0xab0 [ 1839.216249][ T72] process_one_work+0x84d/0x18a0 [ 1839.216249][ T72] worker_thread+0x587/0xd30 [ 1839.216249][ T72] kthread+0x28a/0x350 [ 1839.216249][ T72] ret_from_fork+0x31/0x70 [ 1839.216249][ T72] ret_from_fork_asm+0x1a/0x30 [ 1839.216249][ T72] [ 1839.218133][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1839.218133][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.218133][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.218133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.218133][ T72] ip6_route_add+0x1c/0x140 [ 1839.218133][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1839.218133][ T72] inet6_addr_add+0x4f8/0xa40 [ 1839.218133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.218133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.218133][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.218133][ T72] netlink_unicast+0x449/0x710 [ 1839.218133][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.218133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.218133][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.218133][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.218133][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.218133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.218133][ T72] [ 1839.220128][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1839.220128][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.220128][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.220128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.220128][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1839.220128][ T72] ipv6_add_addr+0x411/0x2000 [ 1839.220128][ T72] inet6_addr_add+0x30e/0xa40 [ 1839.220128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.220128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.220128][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.220128][ T72] netlink_unicast+0x449/0x710 [ 1839.220128][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.220128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.220128][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.220128][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.220128][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.220128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.220128][ T72] [ 1839.222105][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1839.222105][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.222105][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.222105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.222105][ T72] ip6_route_add+0x1c/0x140 [ 1839.222105][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1839.222105][ T72] addrconf_add_dev+0xe2/0x170 [ 1839.222105][ T72] inet6_addr_add+0x12f/0xa40 [ 1839.222105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.222105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.222105][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.222105][ T72] netlink_unicast+0x449/0x710 [ 1839.222105][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.222105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.222105][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.222105][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.222105][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.222105][ T72] [ 1839.224052][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1839.224052][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1839.224052][ T72] ipv6_find_idev+0x102/0x170 [ 1839.224052][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.224052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.224052][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.224052][ T72] netlink_unicast+0x449/0x710 [ 1839.224052][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.224052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.224052][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.224052][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.224052][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.224052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.224052][ T72] [ 1839.225579][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1839.225579][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1839.225579][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1839.225579][ T72] ipv6_find_idev+0x102/0x170 [ 1839.225579][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.225579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.225579][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.225579][ T72] netlink_unicast+0x449/0x710 [ 1839.225579][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.225579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.225579][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.225579][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.225579][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.225579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.225579][ T72] [ 1839.227310][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1839.227637][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1839.227637][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1839.227637][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1839.227637][ T72] fib6_nh_init+0xa22/0x1580 [ 1839.227637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.227637][ T72] ip6_route_add+0x1c/0x140 [ 1839.227637][ T72] inet6_rtm_newroute+0x104/0x110 [ 1839.227637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.227637][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.227637][ T72] netlink_unicast+0x449/0x710 [ 1839.227637][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.227637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.227637][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.227637][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.227637][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.227637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.227637][ T72] [ 1839.229684][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1839.229684][ T72] dst_init+0x84/0x4a0 [ 1839.229684][ T72] dst_alloc+0x97/0x150 [ 1839.229684][ T72] ip6_dst_alloc+0x23/0x90 [ 1839.229684][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1839.229684][ T72] ip6_pol_route+0x56f/0x840 [ 1839.229684][ T72] fib6_rule_lookup+0x456/0x630 [ 1839.229684][ T72] ip6_route_input+0x59c/0xa50 [ 1839.229684][ T72] ipv6_rcv+0x397/0x810 [ 1839.229684][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1839.229684][ T72] process_backlog+0x101/0x620 [ 1839.229684][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1839.229684][ T72] net_rx_action+0x495/0xbe0 [ 1839.229684][ T72] __do_softirq+0x1b5/0x7f6 [ 1839.229684][ T72] [ 1839.231492][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1839.231492][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.231492][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.231492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.231492][ T72] ip6_route_add+0x1c/0x140 [ 1839.231492][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1839.231492][ T72] inet6_addr_add+0x4f8/0xa40 [ 1839.231492][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.231492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.231492][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.231492][ T72] netlink_unicast+0x449/0x710 [ 1839.231492][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.231492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.231492][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.231492][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.231492][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.231492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.231492][ T72] [ 1839.233720][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1839.233720][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.233720][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.233720][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.233720][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1839.233720][ T72] ipv6_add_addr+0x411/0x2000 [ 1839.233720][ T72] inet6_addr_add+0x30e/0xa40 [ 1839.233720][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.233720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.233720][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.233720][ T72] netlink_unicast+0x449/0x710 [ 1839.233720][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.233720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.233720][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.233720][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.233720][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.233720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.233720][ T72] [ 1839.236483][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1839.236483][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.236483][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.236483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.236483][ T72] ip6_route_add+0x1c/0x140 [ 1839.236483][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1839.236483][ T72] addrconf_add_dev+0xe2/0x170 [ 1839.236483][ T72] inet6_addr_add+0x12f/0xa40 [ 1839.236483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.236483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.236483][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.236483][ T72] netlink_unicast+0x449/0x710 [ 1839.236483][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.236483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.236483][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.236483][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.236483][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.236483][ T72] [ 1839.238735][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1839.238735][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1839.238735][ T72] ipv6_find_idev+0x102/0x170 [ 1839.238735][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.238735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.238735][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.238735][ T72] netlink_unicast+0x449/0x710 [ 1839.238735][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.238735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.238735][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.238735][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.238735][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.238735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.238735][ T72] [ 1839.240454][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1839.240454][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1839.240454][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1839.240454][ T72] ipv6_find_idev+0x102/0x170 [ 1839.240454][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.240454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.240454][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.240454][ T72] netlink_unicast+0x449/0x710 [ 1839.240454][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.240454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.240454][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.240454][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.240454][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.240454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.240454][ T72] [ 1839.242304][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1839.242580][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1839.242580][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.242580][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.242580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.242580][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1839.242580][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1839.242580][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1839.242580][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1839.242580][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1839.242580][ T72] addrconf_dad_begin+0x310/0x670 [ 1839.242580][ T72] addrconf_dad_work+0x10b/0xab0 [ 1839.242580][ T72] process_one_work+0x84d/0x18a0 [ 1839.242580][ T72] worker_thread+0x587/0xd30 [ 1839.242580][ T72] kthread+0x28a/0x350 [ 1839.242580][ T72] ret_from_fork+0x31/0x70 [ 1839.242580][ T72] ret_from_fork_asm+0x1a/0x30 [ 1839.242580][ T72] [ 1839.244723][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1839.244723][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.244723][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.244723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.244723][ T72] ip6_route_add+0x1c/0x140 [ 1839.244723][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1839.244723][ T72] inet6_addr_add+0x4f8/0xa40 [ 1839.244723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.244723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.244723][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.244723][ T72] netlink_unicast+0x449/0x710 [ 1839.244723][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.244723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.244723][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.244723][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.244723][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.244723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.244723][ T72] [ 1839.247320][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1839.247320][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.247320][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.247320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.247320][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1839.247320][ T72] ipv6_add_addr+0x411/0x2000 [ 1839.247320][ T72] inet6_addr_add+0x30e/0xa40 [ 1839.247320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.247320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.247320][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.247320][ T72] netlink_unicast+0x449/0x710 [ 1839.247320][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.247320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.247320][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.247320][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.247320][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.247320][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.247320][ T72] [ 1839.249603][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1839.249603][ T72] netdev_get_by_index+0x5e/0x80 [ 1839.249603][ T72] fib6_nh_init+0x3d8/0x1580 [ 1839.249603][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1839.249603][ T72] ip6_route_add+0x1c/0x140 [ 1839.249603][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1839.249603][ T72] addrconf_add_dev+0xe2/0x170 [ 1839.249603][ T72] inet6_addr_add+0x12f/0xa40 [ 1839.249603][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1839.249603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.249603][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.249603][ T72] netlink_unicast+0x449/0x710 [ 1839.249603][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.249603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.249603][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.249603][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.249603][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.249603][ T72] [ 1839.251794][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1839.251794][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1839.251794][ T72] ipv6_find_idev+0x102/0x170 [ 1839.251794][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.251794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.251794][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.251794][ T72] netlink_unicast+0x449/0x710 [ 1839.251794][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.251794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.251794][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.251794][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.251794][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.251794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.251794][ T72] [ 1839.253449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1839.253449][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1839.253449][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1839.253449][ T72] ipv6_find_idev+0x102/0x170 [ 1839.253449][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1839.253449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1839.253449][ T72] netlink_rcv_skb+0x130/0x360 [ 1839.253449][ T72] netlink_unicast+0x449/0x710 [ 1839.253449][ T72] netlink_sendmsg+0x723/0xbe0 [ 1839.253449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1839.253449][ T72] ___sys_sendmsg+0xee/0x170 [ 1839.253449][ T72] __sys_sendmsg+0xcd/0x170 [ 1839.253449][ T72] do_syscall_64+0xc6/0x1e0 [ 1839.253449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1839.253449][ T72] [ 1849.496978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1849.498056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1849.498056][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1849.498056][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1849.498056][ T72] fib6_nh_init+0xa22/0x1580 [ 1849.498056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.498056][ T72] ip6_route_add+0x1c/0x140 [ 1849.498056][ T72] inet6_rtm_newroute+0x104/0x110 [ 1849.498056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.498056][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.498056][ T72] netlink_unicast+0x449/0x710 [ 1849.498056][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.498056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.498056][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.498056][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.498056][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.498056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.498056][ T72] [ 1849.500005][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1849.500005][ T72] dst_init+0x84/0x4a0 [ 1849.500005][ T72] dst_alloc+0x97/0x150 [ 1849.500005][ T72] ip6_dst_alloc+0x23/0x90 [ 1849.500005][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1849.500005][ T72] ip6_pol_route+0x56f/0x840 [ 1849.500005][ T72] fib6_rule_lookup+0x456/0x630 [ 1849.500005][ T72] ip6_route_input+0x59c/0xa50 [ 1849.500005][ T72] ipv6_rcv+0x397/0x810 [ 1849.500005][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1849.500005][ T72] process_backlog+0x101/0x620 [ 1849.500005][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1849.500005][ T72] net_rx_action+0x495/0xbe0 [ 1849.500005][ T72] __do_softirq+0x1b5/0x7f6 [ 1849.500005][ T72] [ 1849.501656][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1849.501656][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.501656][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.501656][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.501656][ T72] ip6_route_add+0x1c/0x140 [ 1849.501656][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1849.501656][ T72] inet6_addr_add+0x4f8/0xa40 [ 1849.501656][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.501656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.501656][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.501656][ T72] netlink_unicast+0x449/0x710 [ 1849.501656][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.501656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.501656][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.501656][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.501656][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.501656][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.501656][ T72] [ 1849.503658][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1849.503658][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.503658][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.503658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.503658][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1849.503658][ T72] ipv6_add_addr+0x411/0x2000 [ 1849.503658][ T72] inet6_addr_add+0x30e/0xa40 [ 1849.503658][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.503658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.503658][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.503658][ T72] netlink_unicast+0x449/0x710 [ 1849.503658][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.503658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.503658][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.503658][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.503658][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.503658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.503658][ T72] [ 1849.505644][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1849.505644][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.505644][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.505644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.505644][ T72] ip6_route_add+0x1c/0x140 [ 1849.505644][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1849.505644][ T72] addrconf_add_dev+0xe2/0x170 [ 1849.505644][ T72] inet6_addr_add+0x12f/0xa40 [ 1849.505644][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.505644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.505644][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.505644][ T72] netlink_unicast+0x449/0x710 [ 1849.505644][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.505644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.505644][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.505644][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.505644][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.505644][ T72] [ 1849.507592][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1849.507592][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1849.507592][ T72] ipv6_find_idev+0x102/0x170 [ 1849.507592][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.507592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.507592][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.507592][ T72] netlink_unicast+0x449/0x710 [ 1849.507592][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.507592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.507592][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.507592][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.507592][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.507592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.507592][ T72] [ 1849.509126][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1849.509126][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1849.509126][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1849.509126][ T72] ipv6_find_idev+0x102/0x170 [ 1849.509126][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.509126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.509126][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.509126][ T72] netlink_unicast+0x449/0x710 [ 1849.509126][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.509126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.509126][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.509126][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.509126][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.509126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.509126][ T72] [ 1849.510818][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1849.511092][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1849.511092][ T72] dst_init+0x84/0x4a0 [ 1849.511092][ T72] dst_alloc+0x97/0x150 [ 1849.511092][ T72] ip6_dst_alloc+0x23/0x90 [ 1849.511092][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1849.511092][ T72] ip6_pol_route+0x56f/0x840 [ 1849.511092][ T72] fib6_rule_lookup+0x456/0x630 [ 1849.511092][ T72] ip6_route_input+0x59c/0xa50 [ 1849.511092][ T72] ipv6_rcv+0x397/0x810 [ 1849.511092][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1849.511092][ T72] process_backlog+0x101/0x620 [ 1849.511092][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1849.511092][ T72] net_rx_action+0x495/0xbe0 [ 1849.511092][ T72] __do_softirq+0x1b5/0x7f6 [ 1849.511092][ T72] [ 1849.512737][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1849.512737][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.512737][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.512737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.512737][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1849.512737][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1849.512737][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1849.512737][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1849.512737][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1849.512737][ T72] addrconf_dad_begin+0x310/0x670 [ 1849.512737][ T72] addrconf_dad_work+0x10b/0xab0 [ 1849.512737][ T72] process_one_work+0x84d/0x18a0 [ 1849.512737][ T72] worker_thread+0x587/0xd30 [ 1849.512737][ T72] kthread+0x28a/0x350 [ 1849.512737][ T72] ret_from_fork+0x31/0x70 [ 1849.512737][ T72] ret_from_fork_asm+0x1a/0x30 [ 1849.512737][ T72] [ 1849.514635][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1849.514635][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.514635][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.514635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.514635][ T72] ip6_route_add+0x1c/0x140 [ 1849.514635][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1849.514635][ T72] inet6_addr_add+0x4f8/0xa40 [ 1849.514635][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.514635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.514635][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.514635][ T72] netlink_unicast+0x449/0x710 [ 1849.514635][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.514635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.514635][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.514635][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.514635][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.514635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.514635][ T72] [ 1849.516615][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1849.516615][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.516615][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.516615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.516615][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1849.516615][ T72] ipv6_add_addr+0x411/0x2000 [ 1849.516615][ T72] inet6_addr_add+0x30e/0xa40 [ 1849.516615][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.516615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.516615][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.516615][ T72] netlink_unicast+0x449/0x710 [ 1849.516615][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.516615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.516615][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.516615][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.516615][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.516615][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.516615][ T72] [ 1849.518596][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1849.518596][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.518596][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.518596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.518596][ T72] ip6_route_add+0x1c/0x140 [ 1849.518596][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1849.518596][ T72] addrconf_add_dev+0xe2/0x170 [ 1849.518596][ T72] inet6_addr_add+0x12f/0xa40 [ 1849.518596][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.518596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.518596][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.518596][ T72] netlink_unicast+0x449/0x710 [ 1849.518596][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.518596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.518596][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.518596][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.518596][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.518596][ T72] [ 1849.520548][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1849.520548][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1849.520548][ T72] ipv6_find_idev+0x102/0x170 [ 1849.520548][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.520548][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.520548][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.520548][ T72] netlink_unicast+0x449/0x710 [ 1849.520548][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.520548][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.520548][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.520548][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.520548][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.520548][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.520548][ T72] [ 1849.522085][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1849.522085][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1849.522085][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1849.522085][ T72] ipv6_find_idev+0x102/0x170 [ 1849.522085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.522085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.522085][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.522085][ T72] netlink_unicast+0x449/0x710 [ 1849.522085][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.522085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.522085][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.522085][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.522085][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.522085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.522085][ T72] [ 1849.523816][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1849.524165][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1849.524165][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1849.524165][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1849.524165][ T72] fib6_nh_init+0xa22/0x1580 [ 1849.524165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.524165][ T72] ip6_route_add+0x1c/0x140 [ 1849.524165][ T72] inet6_rtm_newroute+0x104/0x110 [ 1849.524165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.524165][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.524165][ T72] netlink_unicast+0x449/0x710 [ 1849.524165][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.524165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.524165][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.524165][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.524165][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.524165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.524165][ T72] [ 1849.526263][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1849.526263][ T72] dst_init+0x84/0x4a0 [ 1849.526263][ T72] dst_alloc+0x97/0x150 [ 1849.526263][ T72] ip6_dst_alloc+0x23/0x90 [ 1849.526263][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1849.526263][ T72] ip6_pol_route+0x56f/0x840 [ 1849.526263][ T72] fib6_rule_lookup+0x456/0x630 [ 1849.526263][ T72] ip6_route_input+0x59c/0xa50 [ 1849.526263][ T72] ipv6_rcv+0x397/0x810 [ 1849.526263][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1849.526263][ T72] process_backlog+0x101/0x620 [ 1849.526263][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1849.526263][ T72] net_rx_action+0x495/0xbe0 [ 1849.526263][ T72] __do_softirq+0x1b5/0x7f6 [ 1849.526263][ T72] [ 1849.528072][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1849.528072][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.528072][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.528072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.528072][ T72] ip6_route_add+0x1c/0x140 [ 1849.528072][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1849.528072][ T72] inet6_addr_add+0x4f8/0xa40 [ 1849.528072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.528072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.528072][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.528072][ T72] netlink_unicast+0x449/0x710 [ 1849.528072][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.528072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.528072][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.528072][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.528072][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.528072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.528072][ T72] [ 1849.530306][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1849.530306][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.530306][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.530306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.530306][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1849.530306][ T72] ipv6_add_addr+0x411/0x2000 [ 1849.530306][ T72] inet6_addr_add+0x30e/0xa40 [ 1849.530306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.530306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.530306][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.530306][ T72] netlink_unicast+0x449/0x710 [ 1849.530306][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.530306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.530306][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.530306][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.530306][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.530306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.530306][ T72] [ 1849.532532][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1849.532532][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.532532][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.532532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.532532][ T72] ip6_route_add+0x1c/0x140 [ 1849.532532][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1849.532532][ T72] addrconf_add_dev+0xe2/0x170 [ 1849.532532][ T72] inet6_addr_add+0x12f/0xa40 [ 1849.532532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.532532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.532532][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.532532][ T72] netlink_unicast+0x449/0x710 [ 1849.532532][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.532532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.532532][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.532532][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.532532][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.532532][ T72] [ 1849.534813][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1849.534813][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1849.534813][ T72] ipv6_find_idev+0x102/0x170 [ 1849.534813][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.534813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.534813][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.534813][ T72] netlink_unicast+0x449/0x710 [ 1849.534813][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.534813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.534813][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.534813][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.534813][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.534813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.534813][ T72] [ 1849.536520][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1849.536520][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1849.536520][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1849.536520][ T72] ipv6_find_idev+0x102/0x170 [ 1849.536520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.536520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.536520][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.536520][ T72] netlink_unicast+0x449/0x710 [ 1849.536520][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.536520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.536520][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.536520][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.536520][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.536520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.536520][ T72] [ 1849.538418][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1849.538693][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1849.538693][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.538693][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.538693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.538693][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1849.538693][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1849.538693][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1849.538693][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1849.538693][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1849.538693][ T72] addrconf_dad_begin+0x310/0x670 [ 1849.538693][ T72] addrconf_dad_work+0x10b/0xab0 [ 1849.538693][ T72] process_one_work+0x84d/0x18a0 [ 1849.538693][ T72] worker_thread+0x587/0xd30 [ 1849.538693][ T72] kthread+0x28a/0x350 [ 1849.538693][ T72] ret_from_fork+0x31/0x70 [ 1849.538693][ T72] ret_from_fork_asm+0x1a/0x30 [ 1849.538693][ T72] [ 1849.540853][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1849.540853][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.540853][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.540853][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.540853][ T72] ip6_route_add+0x1c/0x140 [ 1849.540853][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1849.540853][ T72] inet6_addr_add+0x4f8/0xa40 [ 1849.540853][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.540853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.540853][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.540853][ T72] netlink_unicast+0x449/0x710 [ 1849.540853][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.540853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.540853][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.540853][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.540853][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.540853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.540853][ T72] [ 1849.543074][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1849.543074][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.543074][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.543074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.543074][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1849.543074][ T72] ipv6_add_addr+0x411/0x2000 [ 1849.543074][ T72] inet6_addr_add+0x30e/0xa40 [ 1849.543074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.543074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.543074][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.543074][ T72] netlink_unicast+0x449/0x710 [ 1849.543074][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.543074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.543074][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.543074][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.543074][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.543074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.543074][ T72] [ 1849.545295][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1849.545295][ T72] netdev_get_by_index+0x5e/0x80 [ 1849.545295][ T72] fib6_nh_init+0x3d8/0x1580 [ 1849.545295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1849.545295][ T72] ip6_route_add+0x1c/0x140 [ 1849.545295][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1849.545295][ T72] addrconf_add_dev+0xe2/0x170 [ 1849.545295][ T72] inet6_addr_add+0x12f/0xa40 [ 1849.545295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1849.545295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.545295][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.545295][ T72] netlink_unicast+0x449/0x710 [ 1849.545295][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.545295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.545295][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.545295][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.545295][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.545295][ T72] [ 1849.547484][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1849.547484][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1849.547484][ T72] ipv6_find_idev+0x102/0x170 [ 1849.547484][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.547484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.547484][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.547484][ T72] netlink_unicast+0x449/0x710 [ 1849.547484][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.547484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.547484][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.547484][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.547484][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.547484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.547484][ T72] [ 1849.549213][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1849.549213][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1849.549213][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1849.549213][ T72] ipv6_find_idev+0x102/0x170 [ 1849.549213][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1849.549213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1849.549213][ T72] netlink_rcv_skb+0x130/0x360 [ 1849.549213][ T72] netlink_unicast+0x449/0x710 [ 1849.549213][ T72] netlink_sendmsg+0x723/0xbe0 [ 1849.549213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1849.549213][ T72] ___sys_sendmsg+0xee/0x170 [ 1849.549213][ T72] __sys_sendmsg+0xcd/0x170 [ 1849.549213][ T72] do_syscall_64+0xc6/0x1e0 [ 1849.549213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1849.549213][ T72] [ 1859.616993][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1859.617549][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1859.617549][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1859.617549][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1859.617549][ T72] fib6_nh_init+0xa22/0x1580 [ 1859.617549][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.617549][ T72] ip6_route_add+0x1c/0x140 [ 1859.617549][ T72] inet6_rtm_newroute+0x104/0x110 [ 1859.617549][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.617549][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.617549][ T72] netlink_unicast+0x449/0x710 [ 1859.617549][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.617549][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.617549][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.617549][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.617549][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.617549][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.617549][ T72] [ 1859.619572][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1859.619572][ T72] dst_init+0x84/0x4a0 [ 1859.619572][ T72] dst_alloc+0x97/0x150 [ 1859.619572][ T72] ip6_dst_alloc+0x23/0x90 [ 1859.619572][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1859.619572][ T72] ip6_pol_route+0x56f/0x840 [ 1859.619572][ T72] fib6_rule_lookup+0x456/0x630 [ 1859.619572][ T72] ip6_route_input+0x59c/0xa50 [ 1859.619572][ T72] ipv6_rcv+0x397/0x810 [ 1859.619572][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1859.619572][ T72] process_backlog+0x101/0x620 [ 1859.619572][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1859.619572][ T72] net_rx_action+0x495/0xbe0 [ 1859.619572][ T72] __do_softirq+0x1b5/0x7f6 [ 1859.619572][ T72] [ 1859.621277][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1859.621277][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.621277][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.621277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.621277][ T72] ip6_route_add+0x1c/0x140 [ 1859.621277][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1859.621277][ T72] inet6_addr_add+0x4f8/0xa40 [ 1859.621277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.621277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.621277][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.621277][ T72] netlink_unicast+0x449/0x710 [ 1859.621277][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.621277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.621277][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.621277][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.621277][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.621277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.621277][ T72] [ 1859.623366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1859.623366][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.623366][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.623366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.623366][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1859.623366][ T72] ipv6_add_addr+0x411/0x2000 [ 1859.623366][ T72] inet6_addr_add+0x30e/0xa40 [ 1859.623366][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.623366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.623366][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.623366][ T72] netlink_unicast+0x449/0x710 [ 1859.623366][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.623366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.623366][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.623366][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.623366][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.623366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.623366][ T72] [ 1859.625450][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1859.625450][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.625450][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.625450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.625450][ T72] ip6_route_add+0x1c/0x140 [ 1859.625450][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1859.625450][ T72] addrconf_add_dev+0xe2/0x170 [ 1859.625450][ T72] inet6_addr_add+0x12f/0xa40 [ 1859.625450][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.625450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.625450][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.625450][ T72] netlink_unicast+0x449/0x710 [ 1859.625450][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.625450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.625450][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.625450][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.625450][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.625450][ T72] [ 1859.627499][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1859.627499][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1859.627499][ T72] ipv6_find_idev+0x102/0x170 [ 1859.627499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.627499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.627499][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.627499][ T72] netlink_unicast+0x449/0x710 [ 1859.627499][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.627499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.627499][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.627499][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.627499][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.627499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.627499][ T72] [ 1859.629111][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1859.629111][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1859.629111][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1859.629111][ T72] ipv6_find_idev+0x102/0x170 [ 1859.629111][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.629111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.629111][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.629111][ T72] netlink_unicast+0x449/0x710 [ 1859.629111][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.629111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.629111][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.629111][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.629111][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.629111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.629111][ T72] [ 1859.630880][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1859.631153][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1859.631153][ T72] dst_init+0x84/0x4a0 [ 1859.631153][ T72] dst_alloc+0x97/0x150 [ 1859.631153][ T72] ip6_dst_alloc+0x23/0x90 [ 1859.631153][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1859.631153][ T72] ip6_pol_route+0x56f/0x840 [ 1859.631153][ T72] fib6_rule_lookup+0x456/0x630 [ 1859.631153][ T72] ip6_route_input+0x59c/0xa50 [ 1859.631153][ T72] ipv6_rcv+0x397/0x810 [ 1859.631153][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1859.631153][ T72] process_backlog+0x101/0x620 [ 1859.631153][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1859.631153][ T72] net_rx_action+0x495/0xbe0 [ 1859.631153][ T72] __do_softirq+0x1b5/0x7f6 [ 1859.631153][ T72] [ 1859.632870][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1859.632870][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.632870][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.632870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.632870][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1859.632870][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1859.632870][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1859.632870][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1859.632870][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1859.632870][ T72] addrconf_dad_begin+0x310/0x670 [ 1859.632870][ T72] addrconf_dad_work+0x10b/0xab0 [ 1859.632870][ T72] process_one_work+0x84d/0x18a0 [ 1859.632870][ T72] worker_thread+0x587/0xd30 [ 1859.632870][ T72] kthread+0x28a/0x350 [ 1859.632870][ T72] ret_from_fork+0x31/0x70 [ 1859.632870][ T72] ret_from_fork_asm+0x1a/0x30 [ 1859.632870][ T72] [ 1859.634851][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1859.634851][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.634851][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.634851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.634851][ T72] ip6_route_add+0x1c/0x140 [ 1859.634851][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1859.634851][ T72] inet6_addr_add+0x4f8/0xa40 [ 1859.634851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.634851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.634851][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.634851][ T72] netlink_unicast+0x449/0x710 [ 1859.634851][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.634851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.634851][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.634851][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.634851][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.634851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.634851][ T72] [ 1859.636920][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1859.636920][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.636920][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.636920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.636920][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1859.636920][ T72] ipv6_add_addr+0x411/0x2000 [ 1859.636920][ T72] inet6_addr_add+0x30e/0xa40 [ 1859.636920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.636920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.636920][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.636920][ T72] netlink_unicast+0x449/0x710 [ 1859.636920][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.636920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.636920][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.636920][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.636920][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.636920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.636920][ T72] [ 1859.638995][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1859.638995][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.638995][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.638995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.638995][ T72] ip6_route_add+0x1c/0x140 [ 1859.638995][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1859.638995][ T72] addrconf_add_dev+0xe2/0x170 [ 1859.638995][ T72] inet6_addr_add+0x12f/0xa40 [ 1859.638995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.638995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.638995][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.638995][ T72] netlink_unicast+0x449/0x710 [ 1859.638995][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.638995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.638995][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.638995][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.638995][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.638995][ T72] [ 1859.641032][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1859.641032][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1859.641032][ T72] ipv6_find_idev+0x102/0x170 [ 1859.641032][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.641032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.641032][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.641032][ T72] netlink_unicast+0x449/0x710 [ 1859.641032][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.641032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.641032][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.641032][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.641032][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.641032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.641032][ T72] [ 1859.642632][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1859.642632][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1859.642632][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1859.642632][ T72] ipv6_find_idev+0x102/0x170 [ 1859.642632][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.642632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.642632][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.642632][ T72] netlink_unicast+0x449/0x710 [ 1859.642632][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.642632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.642632][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.642632][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.642632][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.642632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.642632][ T72] [ 1859.644445][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1859.644778][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1859.644778][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1859.644778][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1859.644778][ T72] fib6_nh_init+0xa22/0x1580 [ 1859.644778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.644778][ T72] ip6_route_add+0x1c/0x140 [ 1859.644778][ T72] inet6_rtm_newroute+0x104/0x110 [ 1859.644778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.644778][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.644778][ T72] netlink_unicast+0x449/0x710 [ 1859.644778][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.644778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.644778][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.644778][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.644778][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.644778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.644778][ T72] [ 1859.646909][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1859.646909][ T72] dst_init+0x84/0x4a0 [ 1859.646909][ T72] dst_alloc+0x97/0x150 [ 1859.646909][ T72] ip6_dst_alloc+0x23/0x90 [ 1859.646909][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1859.646909][ T72] ip6_pol_route+0x56f/0x840 [ 1859.646909][ T72] fib6_rule_lookup+0x456/0x630 [ 1859.646909][ T72] ip6_route_input+0x59c/0xa50 [ 1859.646909][ T72] ipv6_rcv+0x397/0x810 [ 1859.646909][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1859.646909][ T72] process_backlog+0x101/0x620 [ 1859.646909][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1859.646909][ T72] net_rx_action+0x495/0xbe0 [ 1859.646909][ T72] __do_softirq+0x1b5/0x7f6 [ 1859.646909][ T72] [ 1859.648794][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1859.648794][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.648794][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.648794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.648794][ T72] ip6_route_add+0x1c/0x140 [ 1859.648794][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1859.648794][ T72] inet6_addr_add+0x4f8/0xa40 [ 1859.648794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.648794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.648794][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.648794][ T72] netlink_unicast+0x449/0x710 [ 1859.648794][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.648794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.648794][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.648794][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.648794][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.648794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.648794][ T72] [ 1859.651203][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1859.651203][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.651203][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.651203][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.651203][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1859.651203][ T72] ipv6_add_addr+0x411/0x2000 [ 1859.651203][ T72] inet6_addr_add+0x30e/0xa40 [ 1859.651203][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.651203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.651203][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.651203][ T72] netlink_unicast+0x449/0x710 [ 1859.651203][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.651203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.651203][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.651203][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.651203][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.651203][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.651203][ T72] [ 1859.653525][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1859.653525][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.653525][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.653525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.653525][ T72] ip6_route_add+0x1c/0x140 [ 1859.653525][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1859.653525][ T72] addrconf_add_dev+0xe2/0x170 [ 1859.653525][ T72] inet6_addr_add+0x12f/0xa40 [ 1859.653525][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.653525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.653525][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.653525][ T72] netlink_unicast+0x449/0x710 [ 1859.653525][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.653525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.653525][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.653525][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.653525][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.653525][ T72] [ 1859.655804][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1859.655804][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1859.655804][ T72] ipv6_find_idev+0x102/0x170 [ 1859.655804][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.655804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.655804][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.655804][ T72] netlink_unicast+0x449/0x710 [ 1859.655804][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.655804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.655804][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.655804][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.655804][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.655804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.655804][ T72] [ 1859.657582][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1859.657582][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1859.657582][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1859.657582][ T72] ipv6_find_idev+0x102/0x170 [ 1859.657582][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.657582][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.657582][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.657582][ T72] netlink_unicast+0x449/0x710 [ 1859.657582][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.657582][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.657582][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.657582][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.657582][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.657582][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.657582][ T72] [ 1859.659528][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1859.659809][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1859.659809][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.659809][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.659809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.659809][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1859.659809][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1859.659809][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1859.659809][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1859.659809][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1859.659809][ T72] addrconf_dad_begin+0x310/0x670 [ 1859.659809][ T72] addrconf_dad_work+0x10b/0xab0 [ 1859.659809][ T72] process_one_work+0x84d/0x18a0 [ 1859.659809][ T72] worker_thread+0x587/0xd30 [ 1859.659809][ T72] kthread+0x28a/0x350 [ 1859.659809][ T72] ret_from_fork+0x31/0x70 [ 1859.659809][ T72] ret_from_fork_asm+0x1a/0x30 [ 1859.659809][ T72] [ 1859.662087][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1859.662087][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.662087][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.662087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.662087][ T72] ip6_route_add+0x1c/0x140 [ 1859.662087][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1859.662087][ T72] inet6_addr_add+0x4f8/0xa40 [ 1859.662087][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.662087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.662087][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.662087][ T72] netlink_unicast+0x449/0x710 [ 1859.662087][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.662087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.662087][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.662087][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.662087][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.662087][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.662087][ T72] [ 1859.664932][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1859.664932][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.664932][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.664932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.664932][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1859.664932][ T72] ipv6_add_addr+0x411/0x2000 [ 1859.664932][ T72] inet6_addr_add+0x30e/0xa40 [ 1859.664932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.664932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.664932][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.664932][ T72] netlink_unicast+0x449/0x710 [ 1859.664932][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.664932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.664932][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.664932][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.664932][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.664932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.664932][ T72] [ 1859.667245][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1859.667245][ T72] netdev_get_by_index+0x5e/0x80 [ 1859.667245][ T72] fib6_nh_init+0x3d8/0x1580 [ 1859.667245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1859.667245][ T72] ip6_route_add+0x1c/0x140 [ 1859.667245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1859.667245][ T72] addrconf_add_dev+0xe2/0x170 [ 1859.667245][ T72] inet6_addr_add+0x12f/0xa40 [ 1859.667245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1859.667245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.667245][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.667245][ T72] netlink_unicast+0x449/0x710 [ 1859.667245][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.667245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.667245][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.667245][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.667245][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.667245][ T72] [ 1859.669531][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1859.669531][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1859.669531][ T72] ipv6_find_idev+0x102/0x170 [ 1859.669531][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.669531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.669531][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.669531][ T72] netlink_unicast+0x449/0x710 [ 1859.669531][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.669531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.669531][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.669531][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.669531][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.669531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.669531][ T72] [ 1859.671304][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1859.671304][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1859.671304][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1859.671304][ T72] ipv6_find_idev+0x102/0x170 [ 1859.671304][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1859.671304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1859.671304][ T72] netlink_rcv_skb+0x130/0x360 [ 1859.671304][ T72] netlink_unicast+0x449/0x710 [ 1859.671304][ T72] netlink_sendmsg+0x723/0xbe0 [ 1859.671304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1859.671304][ T72] ___sys_sendmsg+0xee/0x170 [ 1859.671304][ T72] __sys_sendmsg+0xcd/0x170 [ 1859.671304][ T72] do_syscall_64+0xc6/0x1e0 [ 1859.671304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1859.671304][ T72] [ 1869.896976][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1869.898107][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1869.898107][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1869.898107][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1869.898107][ T72] fib6_nh_init+0xa22/0x1580 [ 1869.898107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.898107][ T72] ip6_route_add+0x1c/0x140 [ 1869.898107][ T72] inet6_rtm_newroute+0x104/0x110 [ 1869.898107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.898107][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.898107][ T72] netlink_unicast+0x449/0x710 [ 1869.898107][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.898107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.898107][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.898107][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.898107][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.898107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.898107][ T72] [ 1869.900143][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1869.900143][ T72] dst_init+0x84/0x4a0 [ 1869.900143][ T72] dst_alloc+0x97/0x150 [ 1869.900143][ T72] ip6_dst_alloc+0x23/0x90 [ 1869.900143][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1869.900143][ T72] ip6_pol_route+0x56f/0x840 [ 1869.900143][ T72] fib6_rule_lookup+0x456/0x630 [ 1869.900143][ T72] ip6_route_input+0x59c/0xa50 [ 1869.900143][ T72] ipv6_rcv+0x397/0x810 [ 1869.900143][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1869.900143][ T72] process_backlog+0x101/0x620 [ 1869.900143][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1869.900143][ T72] net_rx_action+0x495/0xbe0 [ 1869.900143][ T72] __do_softirq+0x1b5/0x7f6 [ 1869.900143][ T72] [ 1869.901924][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1869.901924][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.901924][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.901924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.901924][ T72] ip6_route_add+0x1c/0x140 [ 1869.901924][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1869.901924][ T72] inet6_addr_add+0x4f8/0xa40 [ 1869.901924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.901924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.901924][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.901924][ T72] netlink_unicast+0x449/0x710 [ 1869.901924][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.901924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.901924][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.901924][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.901924][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.901924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.901924][ T72] [ 1869.904013][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1869.904013][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.904013][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.904013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.904013][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1869.904013][ T72] ipv6_add_addr+0x411/0x2000 [ 1869.904013][ T72] inet6_addr_add+0x30e/0xa40 [ 1869.904013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.904013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.904013][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.904013][ T72] netlink_unicast+0x449/0x710 [ 1869.904013][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.904013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.904013][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.904013][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.904013][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.904013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.904013][ T72] [ 1869.906094][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1869.906094][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.906094][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.906094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.906094][ T72] ip6_route_add+0x1c/0x140 [ 1869.906094][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1869.906094][ T72] addrconf_add_dev+0xe2/0x170 [ 1869.906094][ T72] inet6_addr_add+0x12f/0xa40 [ 1869.906094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.906094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.906094][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.906094][ T72] netlink_unicast+0x449/0x710 [ 1869.906094][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.906094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.906094][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.906094][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.906094][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.906094][ T72] [ 1869.908138][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1869.908138][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1869.908138][ T72] ipv6_find_idev+0x102/0x170 [ 1869.908138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.908138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.908138][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.908138][ T72] netlink_unicast+0x449/0x710 [ 1869.908138][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.908138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.908138][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.908138][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.908138][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.908138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.908138][ T72] [ 1869.909765][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1869.909765][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1869.909765][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1869.909765][ T72] ipv6_find_idev+0x102/0x170 [ 1869.909765][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.909765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.909765][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.909765][ T72] netlink_unicast+0x449/0x710 [ 1869.909765][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.909765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.909765][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.909765][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.909765][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.909765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.909765][ T72] [ 1869.911519][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1869.911801][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1869.911801][ T72] dst_init+0x84/0x4a0 [ 1869.911801][ T72] dst_alloc+0x97/0x150 [ 1869.911801][ T72] ip6_dst_alloc+0x23/0x90 [ 1869.911801][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1869.911801][ T72] ip6_pol_route+0x56f/0x840 [ 1869.911801][ T72] fib6_rule_lookup+0x456/0x630 [ 1869.911801][ T72] ip6_route_input+0x59c/0xa50 [ 1869.911801][ T72] ipv6_rcv+0x397/0x810 [ 1869.911801][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1869.911801][ T72] process_backlog+0x101/0x620 [ 1869.911801][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1869.911801][ T72] net_rx_action+0x495/0xbe0 [ 1869.911801][ T72] __do_softirq+0x1b5/0x7f6 [ 1869.911801][ T72] [ 1869.913505][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1869.913505][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.913505][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.913505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.913505][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1869.913505][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1869.913505][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1869.913505][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1869.913505][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1869.913505][ T72] addrconf_dad_begin+0x310/0x670 [ 1869.913505][ T72] addrconf_dad_work+0x10b/0xab0 [ 1869.913505][ T72] process_one_work+0x84d/0x18a0 [ 1869.913505][ T72] worker_thread+0x587/0xd30 [ 1869.913505][ T72] kthread+0x28a/0x350 [ 1869.913505][ T72] ret_from_fork+0x31/0x70 [ 1869.913505][ T72] ret_from_fork_asm+0x1a/0x30 [ 1869.913505][ T72] [ 1869.915491][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1869.915491][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.915491][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.915491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.915491][ T72] ip6_route_add+0x1c/0x140 [ 1869.915491][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1869.915491][ T72] inet6_addr_add+0x4f8/0xa40 [ 1869.915491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.915491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.915491][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.915491][ T72] netlink_unicast+0x449/0x710 [ 1869.915491][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.915491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.915491][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.915491][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.915491][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.915491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.915491][ T72] [ 1869.917555][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1869.917555][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.917555][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.917555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.917555][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1869.917555][ T72] ipv6_add_addr+0x411/0x2000 [ 1869.917555][ T72] inet6_addr_add+0x30e/0xa40 [ 1869.917555][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.917555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.917555][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.917555][ T72] netlink_unicast+0x449/0x710 [ 1869.917555][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.917555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.917555][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.917555][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.917555][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.917555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.917555][ T72] [ 1869.919679][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1869.919679][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.919679][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.919679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.919679][ T72] ip6_route_add+0x1c/0x140 [ 1869.919679][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1869.919679][ T72] addrconf_add_dev+0xe2/0x170 [ 1869.919679][ T72] inet6_addr_add+0x12f/0xa40 [ 1869.919679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.919679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.919679][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.919679][ T72] netlink_unicast+0x449/0x710 [ 1869.919679][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.919679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.919679][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.919679][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.919679][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.919679][ T72] [ 1869.921722][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1869.921722][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1869.921722][ T72] ipv6_find_idev+0x102/0x170 [ 1869.921722][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.921722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.921722][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.921722][ T72] netlink_unicast+0x449/0x710 [ 1869.921722][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.921722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.921722][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.921722][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.921722][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.921722][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.921722][ T72] [ 1869.923317][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1869.923317][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1869.923317][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1869.923317][ T72] ipv6_find_idev+0x102/0x170 [ 1869.923317][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.923317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.923317][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.923317][ T72] netlink_unicast+0x449/0x710 [ 1869.923317][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.923317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.923317][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.923317][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.923317][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.923317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.923317][ T72] [ 1869.925127][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1869.925468][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1869.925468][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1869.925468][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1869.925468][ T72] fib6_nh_init+0xa22/0x1580 [ 1869.925468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.925468][ T72] ip6_route_add+0x1c/0x140 [ 1869.925468][ T72] inet6_rtm_newroute+0x104/0x110 [ 1869.925468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.925468][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.925468][ T72] netlink_unicast+0x449/0x710 [ 1869.925468][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.925468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.925468][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.925468][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.925468][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.925468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.925468][ T72] [ 1869.927660][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1869.927660][ T72] dst_init+0x84/0x4a0 [ 1869.927660][ T72] dst_alloc+0x97/0x150 [ 1869.927660][ T72] ip6_dst_alloc+0x23/0x90 [ 1869.927660][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1869.927660][ T72] ip6_pol_route+0x56f/0x840 [ 1869.927660][ T72] fib6_rule_lookup+0x456/0x630 [ 1869.927660][ T72] ip6_route_input+0x59c/0xa50 [ 1869.927660][ T72] ipv6_rcv+0x397/0x810 [ 1869.927660][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1869.927660][ T72] process_backlog+0x101/0x620 [ 1869.927660][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1869.927660][ T72] net_rx_action+0x495/0xbe0 [ 1869.927660][ T72] __do_softirq+0x1b5/0x7f6 [ 1869.927660][ T72] [ 1869.929540][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1869.929540][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.929540][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.929540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.929540][ T72] ip6_route_add+0x1c/0x140 [ 1869.929540][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1869.929540][ T72] inet6_addr_add+0x4f8/0xa40 [ 1869.929540][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.929540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.929540][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.929540][ T72] netlink_unicast+0x449/0x710 [ 1869.929540][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.929540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.929540][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.929540][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.929540][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.929540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.929540][ T72] [ 1869.931866][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1869.931866][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.931866][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.931866][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.931866][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1869.931866][ T72] ipv6_add_addr+0x411/0x2000 [ 1869.931866][ T72] inet6_addr_add+0x30e/0xa40 [ 1869.931866][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.931866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.931866][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.931866][ T72] netlink_unicast+0x449/0x710 [ 1869.931866][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.931866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.931866][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.931866][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.931866][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.931866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.931866][ T72] [ 1869.934172][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1869.934172][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.934172][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.934172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.934172][ T72] ip6_route_add+0x1c/0x140 [ 1869.934172][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1869.934172][ T72] addrconf_add_dev+0xe2/0x170 [ 1869.934172][ T72] inet6_addr_add+0x12f/0xa40 [ 1869.934172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.934172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.934172][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.934172][ T72] netlink_unicast+0x449/0x710 [ 1869.934172][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.934172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.934172][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.934172][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.934172][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.934172][ T72] [ 1869.936521][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1869.936521][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1869.936521][ T72] ipv6_find_idev+0x102/0x170 [ 1869.936521][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.936521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.936521][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.936521][ T72] netlink_unicast+0x449/0x710 [ 1869.936521][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.936521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.936521][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.936521][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.936521][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.936521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.936521][ T72] [ 1869.938295][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1869.938295][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1869.938295][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1869.938295][ T72] ipv6_find_idev+0x102/0x170 [ 1869.938295][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.938295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.938295][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.938295][ T72] netlink_unicast+0x449/0x710 [ 1869.938295][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.938295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.938295][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.938295][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.938295][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.938295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.938295][ T72] [ 1869.940281][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1869.940570][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1869.940570][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.940570][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.940570][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.940570][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1869.940570][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1869.940570][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1869.940570][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1869.940570][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1869.940570][ T72] addrconf_dad_begin+0x310/0x670 [ 1869.940570][ T72] addrconf_dad_work+0x10b/0xab0 [ 1869.940570][ T72] process_one_work+0x84d/0x18a0 [ 1869.940570][ T72] worker_thread+0x587/0xd30 [ 1869.940570][ T72] kthread+0x28a/0x350 [ 1869.940570][ T72] ret_from_fork+0x31/0x70 [ 1869.940570][ T72] ret_from_fork_asm+0x1a/0x30 [ 1869.940570][ T72] [ 1869.942790][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1869.942790][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.942790][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.942790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.942790][ T72] ip6_route_add+0x1c/0x140 [ 1869.942790][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1869.942790][ T72] inet6_addr_add+0x4f8/0xa40 [ 1869.942790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.942790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.942790][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.942790][ T72] netlink_unicast+0x449/0x710 [ 1869.942790][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.942790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.942790][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.942790][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.942790][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.942790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.942790][ T72] [ 1869.945100][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1869.945100][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.945100][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.945100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.945100][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1869.945100][ T72] ipv6_add_addr+0x411/0x2000 [ 1869.945100][ T72] inet6_addr_add+0x30e/0xa40 [ 1869.945100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.945100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.945100][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.945100][ T72] netlink_unicast+0x449/0x710 [ 1869.945100][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.945100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.945100][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.945100][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.945100][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.945100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.945100][ T72] [ 1869.947407][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1869.947407][ T72] netdev_get_by_index+0x5e/0x80 [ 1869.947407][ T72] fib6_nh_init+0x3d8/0x1580 [ 1869.947407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1869.947407][ T72] ip6_route_add+0x1c/0x140 [ 1869.947407][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1869.947407][ T72] addrconf_add_dev+0xe2/0x170 [ 1869.947407][ T72] inet6_addr_add+0x12f/0xa40 [ 1869.947407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1869.947407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.947407][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.947407][ T72] netlink_unicast+0x449/0x710 [ 1869.947407][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.947407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.947407][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.947407][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.947407][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.947407][ T72] [ 1869.949703][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1869.949703][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1869.949703][ T72] ipv6_find_idev+0x102/0x170 [ 1869.949703][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.949703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.949703][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.949703][ T72] netlink_unicast+0x449/0x710 [ 1869.949703][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.949703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.949703][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.949703][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.949703][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.949703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.949703][ T72] [ 1869.951484][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1869.951484][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1869.951484][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1869.951484][ T72] ipv6_find_idev+0x102/0x170 [ 1869.951484][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1869.951484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1869.951484][ T72] netlink_rcv_skb+0x130/0x360 [ 1869.951484][ T72] netlink_unicast+0x449/0x710 [ 1869.951484][ T72] netlink_sendmsg+0x723/0xbe0 [ 1869.951484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1869.951484][ T72] ___sys_sendmsg+0xee/0x170 [ 1869.951484][ T72] __sys_sendmsg+0xcd/0x170 [ 1869.951484][ T72] do_syscall_64+0xc6/0x1e0 [ 1869.951484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1869.951484][ T72] [ 1880.193017][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1880.194118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1880.194118][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1880.194118][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1880.194118][ T72] fib6_nh_init+0xa22/0x1580 [ 1880.194118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.194118][ T72] ip6_route_add+0x1c/0x140 [ 1880.194118][ T72] inet6_rtm_newroute+0x104/0x110 [ 1880.194118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.194118][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.194118][ T72] netlink_unicast+0x449/0x710 [ 1880.194118][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.194118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.194118][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.194118][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.194118][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.194118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.194118][ T72] [ 1880.196128][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1880.196128][ T72] dst_init+0x84/0x4a0 [ 1880.196128][ T72] dst_alloc+0x97/0x150 [ 1880.196128][ T72] ip6_dst_alloc+0x23/0x90 [ 1880.196128][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1880.196128][ T72] ip6_pol_route+0x56f/0x840 [ 1880.196128][ T72] fib6_rule_lookup+0x456/0x630 [ 1880.196128][ T72] ip6_route_input+0x59c/0xa50 [ 1880.196128][ T72] ipv6_rcv+0x397/0x810 [ 1880.196128][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1880.196128][ T72] process_backlog+0x101/0x620 [ 1880.196128][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1880.196128][ T72] net_rx_action+0x495/0xbe0 [ 1880.196128][ T72] __do_softirq+0x1b5/0x7f6 [ 1880.196128][ T72] [ 1880.197901][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1880.197901][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.197901][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.197901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.197901][ T72] ip6_route_add+0x1c/0x140 [ 1880.197901][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1880.197901][ T72] inet6_addr_add+0x4f8/0xa40 [ 1880.197901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.197901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.197901][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.197901][ T72] netlink_unicast+0x449/0x710 [ 1880.197901][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.197901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.197901][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.197901][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.197901][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.197901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.197901][ T72] [ 1880.199894][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1880.199894][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.199894][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.199894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.199894][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1880.199894][ T72] ipv6_add_addr+0x411/0x2000 [ 1880.199894][ T72] inet6_addr_add+0x30e/0xa40 [ 1880.199894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.199894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.199894][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.199894][ T72] netlink_unicast+0x449/0x710 [ 1880.199894][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.199894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.199894][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.199894][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.199894][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.199894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.199894][ T72] [ 1880.201878][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1880.201878][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.201878][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.201878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.201878][ T72] ip6_route_add+0x1c/0x140 [ 1880.201878][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1880.201878][ T72] addrconf_add_dev+0xe2/0x170 [ 1880.201878][ T72] inet6_addr_add+0x12f/0xa40 [ 1880.201878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.201878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.201878][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.201878][ T72] netlink_unicast+0x449/0x710 [ 1880.201878][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.201878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.201878][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.201878][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.201878][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.201878][ T72] [ 1880.203859][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1880.203859][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1880.203859][ T72] ipv6_find_idev+0x102/0x170 [ 1880.203859][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.203859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.203859][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.203859][ T72] netlink_unicast+0x449/0x710 [ 1880.203859][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.203859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.203859][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.203859][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.203859][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.203859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.203859][ T72] [ 1880.205391][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1880.205391][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1880.205391][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1880.205391][ T72] ipv6_find_idev+0x102/0x170 [ 1880.205391][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.205391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.205391][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.205391][ T72] netlink_unicast+0x449/0x710 [ 1880.205391][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.205391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.205391][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.205391][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.205391][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.205391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.205391][ T72] [ 1880.207073][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1880.207345][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1880.207345][ T72] dst_init+0x84/0x4a0 [ 1880.207345][ T72] dst_alloc+0x97/0x150 [ 1880.207345][ T72] ip6_dst_alloc+0x23/0x90 [ 1880.207345][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1880.207345][ T72] ip6_pol_route+0x56f/0x840 [ 1880.207345][ T72] fib6_rule_lookup+0x456/0x630 [ 1880.207345][ T72] ip6_route_input+0x59c/0xa50 [ 1880.207345][ T72] ipv6_rcv+0x397/0x810 [ 1880.207345][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1880.207345][ T72] process_backlog+0x101/0x620 [ 1880.207345][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1880.207345][ T72] net_rx_action+0x495/0xbe0 [ 1880.207345][ T72] __do_softirq+0x1b5/0x7f6 [ 1880.207345][ T72] [ 1880.209025][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1880.209025][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.209025][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.209025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.209025][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1880.209025][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1880.209025][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1880.209025][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1880.209025][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1880.209025][ T72] addrconf_dad_begin+0x310/0x670 [ 1880.209025][ T72] addrconf_dad_work+0x10b/0xab0 [ 1880.209025][ T72] process_one_work+0x84d/0x18a0 [ 1880.209025][ T72] worker_thread+0x587/0xd30 [ 1880.209025][ T72] kthread+0x28a/0x350 [ 1880.209025][ T72] ret_from_fork+0x31/0x70 [ 1880.209025][ T72] ret_from_fork_asm+0x1a/0x30 [ 1880.209025][ T72] [ 1880.210933][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1880.210933][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.210933][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.210933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.210933][ T72] ip6_route_add+0x1c/0x140 [ 1880.210933][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1880.210933][ T72] inet6_addr_add+0x4f8/0xa40 [ 1880.210933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.210933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.210933][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.210933][ T72] netlink_unicast+0x449/0x710 [ 1880.210933][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.210933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.210933][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.210933][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.210933][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.210933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.210933][ T72] [ 1880.212908][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1880.212908][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.212908][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.212908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.212908][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1880.212908][ T72] ipv6_add_addr+0x411/0x2000 [ 1880.212908][ T72] inet6_addr_add+0x30e/0xa40 [ 1880.212908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.212908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.212908][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.212908][ T72] netlink_unicast+0x449/0x710 [ 1880.212908][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.212908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.212908][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.212908][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.212908][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.212908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.212908][ T72] [ 1880.214891][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1880.214891][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.214891][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.214891][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.214891][ T72] ip6_route_add+0x1c/0x140 [ 1880.214891][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1880.214891][ T72] addrconf_add_dev+0xe2/0x170 [ 1880.214891][ T72] inet6_addr_add+0x12f/0xa40 [ 1880.214891][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.214891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.214891][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.214891][ T72] netlink_unicast+0x449/0x710 [ 1880.214891][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.214891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.214891][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.214891][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.214891][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.214891][ T72] [ 1880.216838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1880.216838][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1880.216838][ T72] ipv6_find_idev+0x102/0x170 [ 1880.216838][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.216838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.216838][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.216838][ T72] netlink_unicast+0x449/0x710 [ 1880.216838][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.216838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.216838][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.216838][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.216838][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.216838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.216838][ T72] [ 1880.218364][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1880.218364][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1880.218364][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1880.218364][ T72] ipv6_find_idev+0x102/0x170 [ 1880.218364][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.218364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.218364][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.218364][ T72] netlink_unicast+0x449/0x710 [ 1880.218364][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.218364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.218364][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.218364][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.218364][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.218364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.218364][ T72] [ 1880.220106][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1880.220442][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1880.220442][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1880.220442][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1880.220442][ T72] fib6_nh_init+0xa22/0x1580 [ 1880.220442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.220442][ T72] ip6_route_add+0x1c/0x140 [ 1880.220442][ T72] inet6_rtm_newroute+0x104/0x110 [ 1880.220442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.220442][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.220442][ T72] netlink_unicast+0x449/0x710 [ 1880.220442][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.220442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.220442][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.220442][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.220442][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.220442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.220442][ T72] [ 1880.222428][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1880.222428][ T72] dst_init+0x84/0x4a0 [ 1880.222428][ T72] dst_alloc+0x97/0x150 [ 1880.222428][ T72] ip6_dst_alloc+0x23/0x90 [ 1880.222428][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1880.222428][ T72] ip6_pol_route+0x56f/0x840 [ 1880.222428][ T72] fib6_rule_lookup+0x456/0x630 [ 1880.222428][ T72] ip6_route_input+0x59c/0xa50 [ 1880.222428][ T72] ipv6_rcv+0x397/0x810 [ 1880.222428][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1880.222428][ T72] process_backlog+0x101/0x620 [ 1880.222428][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1880.222428][ T72] net_rx_action+0x495/0xbe0 [ 1880.222428][ T72] __do_softirq+0x1b5/0x7f6 [ 1880.222428][ T72] [ 1880.224243][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1880.224243][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.224243][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.224243][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.224243][ T72] ip6_route_add+0x1c/0x140 [ 1880.224243][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1880.224243][ T72] inet6_addr_add+0x4f8/0xa40 [ 1880.224243][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.224243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.224243][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.224243][ T72] netlink_unicast+0x449/0x710 [ 1880.224243][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.224243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.224243][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.224243][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.224243][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.224243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.224243][ T72] [ 1880.226535][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1880.226535][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.226535][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.226535][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.226535][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1880.226535][ T72] ipv6_add_addr+0x411/0x2000 [ 1880.226535][ T72] inet6_addr_add+0x30e/0xa40 [ 1880.226535][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.226535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.226535][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.226535][ T72] netlink_unicast+0x449/0x710 [ 1880.226535][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.226535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.226535][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.226535][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.226535][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.226535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.226535][ T72] [ 1880.228765][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1880.228765][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.228765][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.228765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.228765][ T72] ip6_route_add+0x1c/0x140 [ 1880.228765][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1880.228765][ T72] addrconf_add_dev+0xe2/0x170 [ 1880.228765][ T72] inet6_addr_add+0x12f/0xa40 [ 1880.228765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.228765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.228765][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.228765][ T72] netlink_unicast+0x449/0x710 [ 1880.228765][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.228765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.228765][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.228765][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.228765][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.228765][ T72] [ 1880.231073][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1880.231073][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1880.231073][ T72] ipv6_find_idev+0x102/0x170 [ 1880.231073][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.231073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.231073][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.231073][ T72] netlink_unicast+0x449/0x710 [ 1880.231073][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.231073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.231073][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.231073][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.231073][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.231073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.231073][ T72] [ 1880.232862][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1880.232862][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1880.232862][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1880.232862][ T72] ipv6_find_idev+0x102/0x170 [ 1880.232862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.232862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.232862][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.232862][ T72] netlink_unicast+0x449/0x710 [ 1880.232862][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.232862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.232862][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.232862][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.232862][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.232862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.232862][ T72] [ 1880.234842][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1880.235128][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1880.235128][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.235128][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.235128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.235128][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1880.235128][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1880.235128][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1880.235128][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1880.235128][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1880.235128][ T72] addrconf_dad_begin+0x310/0x670 [ 1880.235128][ T72] addrconf_dad_work+0x10b/0xab0 [ 1880.235128][ T72] process_one_work+0x84d/0x18a0 [ 1880.235128][ T72] worker_thread+0x587/0xd30 [ 1880.235128][ T72] kthread+0x28a/0x350 [ 1880.235128][ T72] ret_from_fork+0x31/0x70 [ 1880.235128][ T72] ret_from_fork_asm+0x1a/0x30 [ 1880.235128][ T72] [ 1880.237409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1880.237409][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.237409][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.237409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.237409][ T72] ip6_route_add+0x1c/0x140 [ 1880.237409][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1880.237409][ T72] inet6_addr_add+0x4f8/0xa40 [ 1880.237409][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.237409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.237409][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.237409][ T72] netlink_unicast+0x449/0x710 [ 1880.237409][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.237409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.237409][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.237409][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.237409][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.237409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.237409][ T72] [ 1880.239725][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1880.239725][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.239725][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.239725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.239725][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1880.239725][ T72] ipv6_add_addr+0x411/0x2000 [ 1880.239725][ T72] inet6_addr_add+0x30e/0xa40 [ 1880.239725][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.239725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.239725][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.239725][ T72] netlink_unicast+0x449/0x710 [ 1880.239725][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.239725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.239725][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.239725][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.239725][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.239725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.239725][ T72] [ 1880.241974][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1880.241974][ T72] netdev_get_by_index+0x5e/0x80 [ 1880.241974][ T72] fib6_nh_init+0x3d8/0x1580 [ 1880.241974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1880.241974][ T72] ip6_route_add+0x1c/0x140 [ 1880.241974][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1880.241974][ T72] addrconf_add_dev+0xe2/0x170 [ 1880.241974][ T72] inet6_addr_add+0x12f/0xa40 [ 1880.241974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.241974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.241974][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.241974][ T72] netlink_unicast+0x449/0x710 [ 1880.241974][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.241974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.241974][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.241974][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.241974][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.241974][ T72] [ 1880.244251][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1880.244251][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1880.244251][ T72] ipv6_find_idev+0x102/0x170 [ 1880.244251][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.244251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.244251][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.244251][ T72] netlink_unicast+0x449/0x710 [ 1880.244251][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.244251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.244251][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.244251][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.244251][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.244251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.244251][ T72] [ 1880.246091][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1880.246091][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1880.246091][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1880.246091][ T72] ipv6_find_idev+0x102/0x170 [ 1880.246091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.246091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.246091][ T72] netlink_rcv_skb+0x130/0x360 [ 1880.246091][ T72] netlink_unicast+0x449/0x710 [ 1880.246091][ T72] netlink_sendmsg+0x723/0xbe0 [ 1880.246091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1880.246091][ T72] ___sys_sendmsg+0xee/0x170 [ 1880.246091][ T72] __sys_sendmsg+0xcd/0x170 [ 1880.246091][ T72] do_syscall_64+0xc6/0x1e0 [ 1880.246091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.246091][ T72] [ 1890.488990][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1890.489540][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1890.489540][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1890.489540][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1890.489540][ T72] fib6_nh_init+0xa22/0x1580 [ 1890.489540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.489540][ T72] ip6_route_add+0x1c/0x140 [ 1890.489540][ T72] inet6_rtm_newroute+0x104/0x110 [ 1890.489540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.489540][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.489540][ T72] netlink_unicast+0x449/0x710 [ 1890.489540][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.489540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.489540][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.489540][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.489540][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.489540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.489540][ T72] [ 1890.491462][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1890.491462][ T72] dst_init+0x84/0x4a0 [ 1890.491462][ T72] dst_alloc+0x97/0x150 [ 1890.491462][ T72] ip6_dst_alloc+0x23/0x90 [ 1890.491462][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1890.491462][ T72] ip6_pol_route+0x56f/0x840 [ 1890.491462][ T72] fib6_rule_lookup+0x456/0x630 [ 1890.491462][ T72] ip6_route_input+0x59c/0xa50 [ 1890.491462][ T72] ipv6_rcv+0x397/0x810 [ 1890.491462][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1890.491462][ T72] process_backlog+0x101/0x620 [ 1890.491462][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1890.491462][ T72] net_rx_action+0x495/0xbe0 [ 1890.491462][ T72] __do_softirq+0x1b5/0x7f6 [ 1890.491462][ T72] [ 1890.493115][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1890.493115][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.493115][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.493115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.493115][ T72] ip6_route_add+0x1c/0x140 [ 1890.493115][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1890.493115][ T72] inet6_addr_add+0x4f8/0xa40 [ 1890.493115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.493115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.493115][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.493115][ T72] netlink_unicast+0x449/0x710 [ 1890.493115][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.493115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.493115][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.493115][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.493115][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.493115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.493115][ T72] [ 1890.495107][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1890.495107][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.495107][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.495107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.495107][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1890.495107][ T72] ipv6_add_addr+0x411/0x2000 [ 1890.495107][ T72] inet6_addr_add+0x30e/0xa40 [ 1890.495107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.495107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.495107][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.495107][ T72] netlink_unicast+0x449/0x710 [ 1890.495107][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.495107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.495107][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.495107][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.495107][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.495107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.495107][ T72] [ 1890.497098][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1890.497098][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.497098][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.497098][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.497098][ T72] ip6_route_add+0x1c/0x140 [ 1890.497098][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1890.497098][ T72] addrconf_add_dev+0xe2/0x170 [ 1890.497098][ T72] inet6_addr_add+0x12f/0xa40 [ 1890.497098][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.497098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.497098][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.497098][ T72] netlink_unicast+0x449/0x710 [ 1890.497098][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.497098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.497098][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.497098][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.497098][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.497098][ T72] [ 1890.499088][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1890.499088][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1890.499088][ T72] ipv6_find_idev+0x102/0x170 [ 1890.499088][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.499088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.499088][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.499088][ T72] netlink_unicast+0x449/0x710 [ 1890.499088][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.499088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.499088][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.499088][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.499088][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.499088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.499088][ T72] [ 1890.500620][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1890.500620][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1890.500620][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1890.500620][ T72] ipv6_find_idev+0x102/0x170 [ 1890.500620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.500620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.500620][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.500620][ T72] netlink_unicast+0x449/0x710 [ 1890.500620][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.500620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.500620][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.500620][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.500620][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.500620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.500620][ T72] [ 1890.502302][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1890.502576][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1890.502576][ T72] dst_init+0x84/0x4a0 [ 1890.502576][ T72] dst_alloc+0x97/0x150 [ 1890.502576][ T72] ip6_dst_alloc+0x23/0x90 [ 1890.502576][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1890.502576][ T72] ip6_pol_route+0x56f/0x840 [ 1890.502576][ T72] fib6_rule_lookup+0x456/0x630 [ 1890.502576][ T72] ip6_route_input+0x59c/0xa50 [ 1890.502576][ T72] ipv6_rcv+0x397/0x810 [ 1890.502576][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1890.502576][ T72] process_backlog+0x101/0x620 [ 1890.502576][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1890.502576][ T72] net_rx_action+0x495/0xbe0 [ 1890.502576][ T72] __do_softirq+0x1b5/0x7f6 [ 1890.502576][ T72] [ 1890.504224][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1890.504224][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.504224][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.504224][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.504224][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1890.504224][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1890.504224][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1890.504224][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1890.504224][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1890.504224][ T72] addrconf_dad_begin+0x310/0x670 [ 1890.504224][ T72] addrconf_dad_work+0x10b/0xab0 [ 1890.504224][ T72] process_one_work+0x84d/0x18a0 [ 1890.504224][ T72] worker_thread+0x587/0xd30 [ 1890.504224][ T72] kthread+0x28a/0x350 [ 1890.504224][ T72] ret_from_fork+0x31/0x70 [ 1890.504224][ T72] ret_from_fork_asm+0x1a/0x30 [ 1890.504224][ T72] [ 1890.506115][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1890.506115][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.506115][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.506115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.506115][ T72] ip6_route_add+0x1c/0x140 [ 1890.506115][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1890.506115][ T72] inet6_addr_add+0x4f8/0xa40 [ 1890.506115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.506115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.506115][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.506115][ T72] netlink_unicast+0x449/0x710 [ 1890.506115][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.506115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.506115][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.506115][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.506115][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.506115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.506115][ T72] [ 1890.508097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1890.508097][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.508097][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.508097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.508097][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1890.508097][ T72] ipv6_add_addr+0x411/0x2000 [ 1890.508097][ T72] inet6_addr_add+0x30e/0xa40 [ 1890.508097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.508097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.508097][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.508097][ T72] netlink_unicast+0x449/0x710 [ 1890.508097][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.508097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.508097][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.508097][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.508097][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.508097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.508097][ T72] [ 1890.510088][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1890.510088][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.510088][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.510088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.510088][ T72] ip6_route_add+0x1c/0x140 [ 1890.510088][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1890.510088][ T72] addrconf_add_dev+0xe2/0x170 [ 1890.510088][ T72] inet6_addr_add+0x12f/0xa40 [ 1890.510088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.510088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.510088][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.510088][ T72] netlink_unicast+0x449/0x710 [ 1890.510088][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.510088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.510088][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.510088][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.510088][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.510088][ T72] [ 1890.512033][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1890.512033][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1890.512033][ T72] ipv6_find_idev+0x102/0x170 [ 1890.512033][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.512033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.512033][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.512033][ T72] netlink_unicast+0x449/0x710 [ 1890.512033][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.512033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.512033][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.512033][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.512033][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.512033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.512033][ T72] [ 1890.513561][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1890.513561][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1890.513561][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1890.513561][ T72] ipv6_find_idev+0x102/0x170 [ 1890.513561][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.513561][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.513561][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.513561][ T72] netlink_unicast+0x449/0x710 [ 1890.513561][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.513561][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.513561][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.513561][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.513561][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.513561][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.513561][ T72] [ 1890.515286][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1890.515556][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1890.515556][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1890.515556][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1890.515556][ T72] fib6_nh_init+0xa22/0x1580 [ 1890.515556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.515556][ T72] ip6_route_add+0x1c/0x140 [ 1890.515556][ T72] inet6_rtm_newroute+0x104/0x110 [ 1890.515556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.515556][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.515556][ T72] netlink_unicast+0x449/0x710 [ 1890.515556][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.515556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.515556][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.515556][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.515556][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.515556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.515556][ T72] [ 1890.517729][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1890.517729][ T72] dst_init+0x84/0x4a0 [ 1890.517729][ T72] dst_alloc+0x97/0x150 [ 1890.517729][ T72] ip6_dst_alloc+0x23/0x90 [ 1890.517729][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1890.517729][ T72] ip6_pol_route+0x56f/0x840 [ 1890.517729][ T72] fib6_rule_lookup+0x456/0x630 [ 1890.517729][ T72] ip6_route_input+0x59c/0xa50 [ 1890.517729][ T72] ipv6_rcv+0x397/0x810 [ 1890.517729][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1890.517729][ T72] process_backlog+0x101/0x620 [ 1890.517729][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1890.517729][ T72] net_rx_action+0x495/0xbe0 [ 1890.517729][ T72] __do_softirq+0x1b5/0x7f6 [ 1890.517729][ T72] [ 1890.519538][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1890.519538][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.519538][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.519538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.519538][ T72] ip6_route_add+0x1c/0x140 [ 1890.519538][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1890.519538][ T72] inet6_addr_add+0x4f8/0xa40 [ 1890.519538][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.519538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.519538][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.519538][ T72] netlink_unicast+0x449/0x710 [ 1890.519538][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.519538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.519538][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.519538][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.519538][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.519538][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.519538][ T72] [ 1890.521694][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1890.521694][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.521694][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.521694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.521694][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1890.521694][ T72] ipv6_add_addr+0x411/0x2000 [ 1890.521694][ T72] inet6_addr_add+0x30e/0xa40 [ 1890.521694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.521694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.521694][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.521694][ T72] netlink_unicast+0x449/0x710 [ 1890.521694][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.521694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.521694][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.521694][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.521694][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.521694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.521694][ T72] [ 1890.523926][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1890.523926][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.523926][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.523926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.523926][ T72] ip6_route_add+0x1c/0x140 [ 1890.523926][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1890.523926][ T72] addrconf_add_dev+0xe2/0x170 [ 1890.523926][ T72] inet6_addr_add+0x12f/0xa40 [ 1890.523926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.523926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.523926][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.523926][ T72] netlink_unicast+0x449/0x710 [ 1890.523926][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.523926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.523926][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.523926][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.523926][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.523926][ T72] [ 1890.526712][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1890.526712][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1890.526712][ T72] ipv6_find_idev+0x102/0x170 [ 1890.526712][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.526712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.526712][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.526712][ T72] netlink_unicast+0x449/0x710 [ 1890.526712][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.526712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.526712][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.526712][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.526712][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.526712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.526712][ T72] [ 1890.528419][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1890.528419][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1890.528419][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1890.528419][ T72] ipv6_find_idev+0x102/0x170 [ 1890.528419][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.528419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.528419][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.528419][ T72] netlink_unicast+0x449/0x710 [ 1890.528419][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.528419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.528419][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.528419][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.528419][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.528419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.528419][ T72] [ 1890.530221][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1890.530571][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1890.530571][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.530571][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.530571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.530571][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1890.530571][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1890.530571][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1890.530571][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1890.530571][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1890.530571][ T72] addrconf_dad_begin+0x310/0x670 [ 1890.530571][ T72] addrconf_dad_work+0x10b/0xab0 [ 1890.530571][ T72] process_one_work+0x84d/0x18a0 [ 1890.530571][ T72] worker_thread+0x587/0xd30 [ 1890.530571][ T72] kthread+0x28a/0x350 [ 1890.530571][ T72] ret_from_fork+0x31/0x70 [ 1890.530571][ T72] ret_from_fork_asm+0x1a/0x30 [ 1890.530571][ T72] [ 1890.532534][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1890.532534][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.532534][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.532534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.532534][ T72] ip6_route_add+0x1c/0x140 [ 1890.532534][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1890.532534][ T72] inet6_addr_add+0x4f8/0xa40 [ 1890.532534][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.532534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.532534][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.532534][ T72] netlink_unicast+0x449/0x710 [ 1890.532534][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.532534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.532534][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.532534][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.532534][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.532534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.532534][ T72] [ 1890.534644][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1890.534644][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.534644][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.534644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.534644][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1890.534644][ T72] ipv6_add_addr+0x411/0x2000 [ 1890.534644][ T72] inet6_addr_add+0x30e/0xa40 [ 1890.534644][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.534644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.534644][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.534644][ T72] netlink_unicast+0x449/0x710 [ 1890.534644][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.534644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.534644][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.534644][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.534644][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.534644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.534644][ T72] [ 1890.536747][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1890.536747][ T72] netdev_get_by_index+0x5e/0x80 [ 1890.536747][ T72] fib6_nh_init+0x3d8/0x1580 [ 1890.536747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1890.536747][ T72] ip6_route_add+0x1c/0x140 [ 1890.536747][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1890.536747][ T72] addrconf_add_dev+0xe2/0x170 [ 1890.536747][ T72] inet6_addr_add+0x12f/0xa40 [ 1890.536747][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1890.536747][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.536747][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.536747][ T72] netlink_unicast+0x449/0x710 [ 1890.536747][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.536747][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.536747][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.536747][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.536747][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.536747][ T72] [ 1890.538823][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1890.538823][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1890.538823][ T72] ipv6_find_idev+0x102/0x170 [ 1890.538823][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.538823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.538823][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.538823][ T72] netlink_unicast+0x449/0x710 [ 1890.538823][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.538823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.538823][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.538823][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.538823][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.538823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.538823][ T72] [ 1890.540411][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1890.540411][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1890.540411][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1890.540411][ T72] ipv6_find_idev+0x102/0x170 [ 1890.540411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1890.540411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1890.540411][ T72] netlink_rcv_skb+0x130/0x360 [ 1890.540411][ T72] netlink_unicast+0x449/0x710 [ 1890.540411][ T72] netlink_sendmsg+0x723/0xbe0 [ 1890.540411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1890.540411][ T72] ___sys_sendmsg+0xee/0x170 [ 1890.540411][ T72] __sys_sendmsg+0xcd/0x170 [ 1890.540411][ T72] do_syscall_64+0xc6/0x1e0 [ 1890.540411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1890.540411][ T72] [ 1900.632961][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1900.634062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1900.634062][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1900.634062][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1900.634062][ T72] fib6_nh_init+0xa22/0x1580 [ 1900.634062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.634062][ T72] ip6_route_add+0x1c/0x140 [ 1900.634062][ T72] inet6_rtm_newroute+0x104/0x110 [ 1900.634062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.634062][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.634062][ T72] netlink_unicast+0x449/0x710 [ 1900.634062][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.634062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.634062][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.634062][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.634062][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.634062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.634062][ T72] [ 1900.635988][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1900.635988][ T72] dst_init+0x84/0x4a0 [ 1900.635988][ T72] dst_alloc+0x97/0x150 [ 1900.635988][ T72] ip6_dst_alloc+0x23/0x90 [ 1900.635988][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.635988][ T72] ip6_pol_route+0x56f/0x840 [ 1900.635988][ T72] fib6_rule_lookup+0x456/0x630 [ 1900.635988][ T72] ip6_route_input+0x59c/0xa50 [ 1900.635988][ T72] ipv6_rcv+0x397/0x810 [ 1900.635988][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1900.635988][ T72] process_backlog+0x101/0x620 [ 1900.635988][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1900.635988][ T72] net_rx_action+0x495/0xbe0 [ 1900.635988][ T72] __do_softirq+0x1b5/0x7f6 [ 1900.635988][ T72] [ 1900.637646][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1900.637646][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.637646][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.637646][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.637646][ T72] ip6_route_add+0x1c/0x140 [ 1900.637646][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1900.637646][ T72] inet6_addr_add+0x4f8/0xa40 [ 1900.637646][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.637646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.637646][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.637646][ T72] netlink_unicast+0x449/0x710 [ 1900.637646][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.637646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.637646][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.637646][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.637646][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.637646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.637646][ T72] [ 1900.639661][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1900.639661][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.639661][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.639661][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.639661][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1900.639661][ T72] ipv6_add_addr+0x411/0x2000 [ 1900.639661][ T72] inet6_addr_add+0x30e/0xa40 [ 1900.639661][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.639661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.639661][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.639661][ T72] netlink_unicast+0x449/0x710 [ 1900.639661][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.639661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.639661][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.639661][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.639661][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.639661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.639661][ T72] [ 1900.641657][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1900.641657][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.641657][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.641657][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.641657][ T72] ip6_route_add+0x1c/0x140 [ 1900.641657][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1900.641657][ T72] addrconf_add_dev+0xe2/0x170 [ 1900.641657][ T72] inet6_addr_add+0x12f/0xa40 [ 1900.641657][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.641657][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.641657][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.641657][ T72] netlink_unicast+0x449/0x710 [ 1900.641657][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.641657][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.641657][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.641657][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.641657][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.641657][ T72] [ 1900.643611][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1900.643611][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1900.643611][ T72] ipv6_find_idev+0x102/0x170 [ 1900.643611][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.643611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.643611][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.643611][ T72] netlink_unicast+0x449/0x710 [ 1900.643611][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.643611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.643611][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.643611][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.643611][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.643611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.643611][ T72] [ 1900.645142][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1900.645142][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1900.645142][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1900.645142][ T72] ipv6_find_idev+0x102/0x170 [ 1900.645142][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.645142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.645142][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.645142][ T72] netlink_unicast+0x449/0x710 [ 1900.645142][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.645142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.645142][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.645142][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.645142][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.645142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.645142][ T72] [ 1900.646826][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1900.647097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1900.647097][ T72] dst_init+0x84/0x4a0 [ 1900.647097][ T72] dst_alloc+0x97/0x150 [ 1900.647097][ T72] ip6_dst_alloc+0x23/0x90 [ 1900.647097][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.647097][ T72] ip6_pol_route+0x56f/0x840 [ 1900.647097][ T72] fib6_rule_lookup+0x456/0x630 [ 1900.647097][ T72] ip6_route_input+0x59c/0xa50 [ 1900.647097][ T72] ipv6_rcv+0x397/0x810 [ 1900.647097][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1900.647097][ T72] process_backlog+0x101/0x620 [ 1900.647097][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1900.647097][ T72] net_rx_action+0x495/0xbe0 [ 1900.647097][ T72] __do_softirq+0x1b5/0x7f6 [ 1900.647097][ T72] [ 1900.648737][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1900.648737][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.648737][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.648737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.648737][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1900.648737][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1900.648737][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1900.648737][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1900.648737][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1900.648737][ T72] addrconf_dad_begin+0x310/0x670 [ 1900.648737][ T72] addrconf_dad_work+0x10b/0xab0 [ 1900.648737][ T72] process_one_work+0x84d/0x18a0 [ 1900.648737][ T72] worker_thread+0x587/0xd30 [ 1900.648737][ T72] kthread+0x28a/0x350 [ 1900.648737][ T72] ret_from_fork+0x31/0x70 [ 1900.648737][ T72] ret_from_fork_asm+0x1a/0x30 [ 1900.648737][ T72] [ 1900.650638][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1900.650638][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.650638][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.650638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.650638][ T72] ip6_route_add+0x1c/0x140 [ 1900.650638][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1900.650638][ T72] inet6_addr_add+0x4f8/0xa40 [ 1900.650638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.650638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.650638][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.650638][ T72] netlink_unicast+0x449/0x710 [ 1900.650638][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.650638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.650638][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.650638][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.650638][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.650638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.650638][ T72] [ 1900.652641][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1900.652641][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.652641][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.652641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.652641][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1900.652641][ T72] ipv6_add_addr+0x411/0x2000 [ 1900.652641][ T72] inet6_addr_add+0x30e/0xa40 [ 1900.652641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.652641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.652641][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.652641][ T72] netlink_unicast+0x449/0x710 [ 1900.652641][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.652641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.652641][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.652641][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.652641][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.652641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.652641][ T72] [ 1900.654670][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1900.654670][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.654670][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.654670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.654670][ T72] ip6_route_add+0x1c/0x140 [ 1900.654670][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1900.654670][ T72] addrconf_add_dev+0xe2/0x170 [ 1900.654670][ T72] inet6_addr_add+0x12f/0xa40 [ 1900.654670][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.654670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.654670][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.654670][ T72] netlink_unicast+0x449/0x710 [ 1900.654670][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.654670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.654670][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.654670][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.654670][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.654670][ T72] [ 1900.656622][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1900.656622][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1900.656622][ T72] ipv6_find_idev+0x102/0x170 [ 1900.656622][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.656622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.656622][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.656622][ T72] netlink_unicast+0x449/0x710 [ 1900.656622][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.656622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.656622][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.656622][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.656622][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.656622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.656622][ T72] [ 1900.658145][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1900.658145][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1900.658145][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1900.658145][ T72] ipv6_find_idev+0x102/0x170 [ 1900.658145][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.658145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.658145][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.658145][ T72] netlink_unicast+0x449/0x710 [ 1900.658145][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.658145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.658145][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.658145][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.658145][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.658145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.658145][ T72] [ 1900.659934][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1900.660206][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1900.660206][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1900.660206][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1900.660206][ T72] fib6_nh_init+0xa22/0x1580 [ 1900.660206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.660206][ T72] ip6_route_add+0x1c/0x140 [ 1900.660206][ T72] inet6_rtm_newroute+0x104/0x110 [ 1900.660206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.660206][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.660206][ T72] netlink_unicast+0x449/0x710 [ 1900.660206][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.660206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.660206][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.660206][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.660206][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.660206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.660206][ T72] [ 1900.662320][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1900.662320][ T72] dst_init+0x84/0x4a0 [ 1900.662320][ T72] dst_alloc+0x97/0x150 [ 1900.662320][ T72] ip6_dst_alloc+0x23/0x90 [ 1900.662320][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.662320][ T72] ip6_pol_route+0x56f/0x840 [ 1900.662320][ T72] fib6_rule_lookup+0x456/0x630 [ 1900.662320][ T72] ip6_route_input+0x59c/0xa50 [ 1900.662320][ T72] ipv6_rcv+0x397/0x810 [ 1900.662320][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1900.662320][ T72] process_backlog+0x101/0x620 [ 1900.662320][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1900.662320][ T72] net_rx_action+0x495/0xbe0 [ 1900.662320][ T72] __do_softirq+0x1b5/0x7f6 [ 1900.662320][ T72] [ 1900.664126][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1900.664126][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.664126][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.664126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.664126][ T72] ip6_route_add+0x1c/0x140 [ 1900.664126][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1900.664126][ T72] inet6_addr_add+0x4f8/0xa40 [ 1900.664126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.664126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.664126][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.664126][ T72] netlink_unicast+0x449/0x710 [ 1900.664126][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.664126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.664126][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.664126][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.664126][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.664126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.664126][ T72] [ 1900.666400][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1900.666400][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.666400][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.666400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.666400][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1900.666400][ T72] ipv6_add_addr+0x411/0x2000 [ 1900.666400][ T72] inet6_addr_add+0x30e/0xa40 [ 1900.666400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.666400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.666400][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.666400][ T72] netlink_unicast+0x449/0x710 [ 1900.666400][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.666400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.666400][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.666400][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.666400][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.666400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.666400][ T72] [ 1900.668625][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1900.668625][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.668625][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.668625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.668625][ T72] ip6_route_add+0x1c/0x140 [ 1900.668625][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1900.668625][ T72] addrconf_add_dev+0xe2/0x170 [ 1900.668625][ T72] inet6_addr_add+0x12f/0xa40 [ 1900.668625][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.668625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.668625][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.668625][ T72] netlink_unicast+0x449/0x710 [ 1900.668625][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.668625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.668625][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.668625][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.668625][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.668625][ T72] [ 1900.670821][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1900.670821][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1900.670821][ T72] ipv6_find_idev+0x102/0x170 [ 1900.670821][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.670821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.670821][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.670821][ T72] netlink_unicast+0x449/0x710 [ 1900.670821][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.670821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.670821][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.670821][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.670821][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.670821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.670821][ T72] [ 1900.672532][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1900.672532][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1900.672532][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1900.672532][ T72] ipv6_find_idev+0x102/0x170 [ 1900.672532][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.672532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.672532][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.672532][ T72] netlink_unicast+0x449/0x710 [ 1900.672532][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.672532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.672532][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.672532][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.672532][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.672532][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.672532][ T72] [ 1900.674424][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1900.674695][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1900.674695][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.674695][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.674695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.674695][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1900.674695][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1900.674695][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1900.674695][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1900.674695][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1900.674695][ T72] addrconf_dad_begin+0x310/0x670 [ 1900.674695][ T72] addrconf_dad_work+0x10b/0xab0 [ 1900.674695][ T72] process_one_work+0x84d/0x18a0 [ 1900.674695][ T72] worker_thread+0x587/0xd30 [ 1900.674695][ T72] kthread+0x28a/0x350 [ 1900.674695][ T72] ret_from_fork+0x31/0x70 [ 1900.674695][ T72] ret_from_fork_asm+0x1a/0x30 [ 1900.674695][ T72] [ 1900.676895][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1900.676895][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.676895][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.676895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.676895][ T72] ip6_route_add+0x1c/0x140 [ 1900.676895][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1900.676895][ T72] inet6_addr_add+0x4f8/0xa40 [ 1900.676895][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.676895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.676895][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.676895][ T72] netlink_unicast+0x449/0x710 [ 1900.676895][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.676895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.676895][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.676895][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.676895][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.676895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.676895][ T72] [ 1900.679156][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1900.679156][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.679156][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.679156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.679156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1900.679156][ T72] ipv6_add_addr+0x411/0x2000 [ 1900.679156][ T72] inet6_addr_add+0x30e/0xa40 [ 1900.679156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.679156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.679156][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.679156][ T72] netlink_unicast+0x449/0x710 [ 1900.679156][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.679156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.679156][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.679156][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.679156][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.679156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.679156][ T72] [ 1900.681375][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1900.681375][ T72] netdev_get_by_index+0x5e/0x80 [ 1900.681375][ T72] fib6_nh_init+0x3d8/0x1580 [ 1900.681375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1900.681375][ T72] ip6_route_add+0x1c/0x140 [ 1900.681375][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1900.681375][ T72] addrconf_add_dev+0xe2/0x170 [ 1900.681375][ T72] inet6_addr_add+0x12f/0xa40 [ 1900.681375][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.681375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.681375][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.681375][ T72] netlink_unicast+0x449/0x710 [ 1900.681375][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.681375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.681375][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.681375][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.681375][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.681375][ T72] [ 1900.683492][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1900.683492][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1900.683492][ T72] ipv6_find_idev+0x102/0x170 [ 1900.683492][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.683492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.683492][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.683492][ T72] netlink_unicast+0x449/0x710 [ 1900.683492][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.683492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.683492][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.683492][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.683492][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.683492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.683492][ T72] [ 1900.685266][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1900.685266][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1900.685266][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1900.685266][ T72] ipv6_find_idev+0x102/0x170 [ 1900.685266][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.685266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.685266][ T72] netlink_rcv_skb+0x130/0x360 [ 1900.685266][ T72] netlink_unicast+0x449/0x710 [ 1900.685266][ T72] netlink_sendmsg+0x723/0xbe0 [ 1900.685266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1900.685266][ T72] ___sys_sendmsg+0xee/0x170 [ 1900.685266][ T72] __sys_sendmsg+0xcd/0x170 [ 1900.685266][ T72] do_syscall_64+0xc6/0x1e0 [ 1900.685266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.685266][ T72] [ 1910.689039][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1910.689556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1910.689556][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1910.689556][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1910.689556][ T72] fib6_nh_init+0xa22/0x1580 [ 1910.689556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.689556][ T72] ip6_route_add+0x1c/0x140 [ 1910.689556][ T72] inet6_rtm_newroute+0x104/0x110 [ 1910.689556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.689556][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.689556][ T72] netlink_unicast+0x449/0x710 [ 1910.689556][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.689556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.689556][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.689556][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.689556][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.689556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.689556][ T72] [ 1910.691471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1910.691471][ T72] dst_init+0x84/0x4a0 [ 1910.691471][ T72] dst_alloc+0x97/0x150 [ 1910.691471][ T72] ip6_dst_alloc+0x23/0x90 [ 1910.691471][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.691471][ T72] ip6_pol_route+0x56f/0x840 [ 1910.691471][ T72] fib6_rule_lookup+0x456/0x630 [ 1910.691471][ T72] ip6_route_input+0x59c/0xa50 [ 1910.691471][ T72] ipv6_rcv+0x397/0x810 [ 1910.691471][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1910.691471][ T72] process_backlog+0x101/0x620 [ 1910.691471][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1910.691471][ T72] net_rx_action+0x495/0xbe0 [ 1910.691471][ T72] __do_softirq+0x1b5/0x7f6 [ 1910.691471][ T72] [ 1910.693113][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1910.693113][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.693113][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.693113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.693113][ T72] ip6_route_add+0x1c/0x140 [ 1910.693113][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1910.693113][ T72] inet6_addr_add+0x4f8/0xa40 [ 1910.693113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.693113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.693113][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.693113][ T72] netlink_unicast+0x449/0x710 [ 1910.693113][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.693113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.693113][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.693113][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.693113][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.693113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.693113][ T72] [ 1910.695116][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1910.695116][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.695116][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.695116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.695116][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1910.695116][ T72] ipv6_add_addr+0x411/0x2000 [ 1910.695116][ T72] inet6_addr_add+0x30e/0xa40 [ 1910.695116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.695116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.695116][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.695116][ T72] netlink_unicast+0x449/0x710 [ 1910.695116][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.695116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.695116][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.695116][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.695116][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.695116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.695116][ T72] [ 1910.697102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1910.697102][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.697102][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.697102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.697102][ T72] ip6_route_add+0x1c/0x140 [ 1910.697102][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1910.697102][ T72] addrconf_add_dev+0xe2/0x170 [ 1910.697102][ T72] inet6_addr_add+0x12f/0xa40 [ 1910.697102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.697102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.697102][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.697102][ T72] netlink_unicast+0x449/0x710 [ 1910.697102][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.697102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.697102][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.697102][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.697102][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.697102][ T72] [ 1910.699063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1910.699063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1910.699063][ T72] ipv6_find_idev+0x102/0x170 [ 1910.699063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.699063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.699063][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.699063][ T72] netlink_unicast+0x449/0x710 [ 1910.699063][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.699063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.699063][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.699063][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.699063][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.699063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.699063][ T72] [ 1910.700590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1910.700590][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1910.700590][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1910.700590][ T72] ipv6_find_idev+0x102/0x170 [ 1910.700590][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.700590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.700590][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.700590][ T72] netlink_unicast+0x449/0x710 [ 1910.700590][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.700590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.700590][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.700590][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.700590][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.700590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.700590][ T72] [ 1910.702270][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1910.702542][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1910.702542][ T72] dst_init+0x84/0x4a0 [ 1910.702542][ T72] dst_alloc+0x97/0x150 [ 1910.702542][ T72] ip6_dst_alloc+0x23/0x90 [ 1910.702542][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.702542][ T72] ip6_pol_route+0x56f/0x840 [ 1910.702542][ T72] fib6_rule_lookup+0x456/0x630 [ 1910.702542][ T72] ip6_route_input+0x59c/0xa50 [ 1910.702542][ T72] ipv6_rcv+0x397/0x810 [ 1910.702542][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1910.702542][ T72] process_backlog+0x101/0x620 [ 1910.702542][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1910.702542][ T72] net_rx_action+0x495/0xbe0 [ 1910.702542][ T72] __do_softirq+0x1b5/0x7f6 [ 1910.702542][ T72] [ 1910.704181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1910.704181][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.704181][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.704181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.704181][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1910.704181][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1910.704181][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1910.704181][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1910.704181][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1910.704181][ T72] addrconf_dad_begin+0x310/0x670 [ 1910.704181][ T72] addrconf_dad_work+0x10b/0xab0 [ 1910.704181][ T72] process_one_work+0x84d/0x18a0 [ 1910.704181][ T72] worker_thread+0x587/0xd30 [ 1910.704181][ T72] kthread+0x28a/0x350 [ 1910.704181][ T72] ret_from_fork+0x31/0x70 [ 1910.704181][ T72] ret_from_fork_asm+0x1a/0x30 [ 1910.704181][ T72] [ 1910.706060][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1910.706060][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.706060][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.706060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.706060][ T72] ip6_route_add+0x1c/0x140 [ 1910.706060][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1910.706060][ T72] inet6_addr_add+0x4f8/0xa40 [ 1910.706060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.706060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.706060][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.706060][ T72] netlink_unicast+0x449/0x710 [ 1910.706060][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.706060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.706060][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.706060][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.706060][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.706060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.706060][ T72] [ 1910.708037][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1910.708037][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.708037][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.708037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.708037][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1910.708037][ T72] ipv6_add_addr+0x411/0x2000 [ 1910.708037][ T72] inet6_addr_add+0x30e/0xa40 [ 1910.708037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.708037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.708037][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.708037][ T72] netlink_unicast+0x449/0x710 [ 1910.708037][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.708037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.708037][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.708037][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.708037][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.708037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.708037][ T72] [ 1910.710016][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1910.710016][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.710016][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.710016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.710016][ T72] ip6_route_add+0x1c/0x140 [ 1910.710016][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1910.710016][ T72] addrconf_add_dev+0xe2/0x170 [ 1910.710016][ T72] inet6_addr_add+0x12f/0xa40 [ 1910.710016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.710016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.710016][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.710016][ T72] netlink_unicast+0x449/0x710 [ 1910.710016][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.710016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.710016][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.710016][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.710016][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.710016][ T72] [ 1910.712047][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1910.712047][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1910.712047][ T72] ipv6_find_idev+0x102/0x170 [ 1910.712047][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.712047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.712047][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.712047][ T72] netlink_unicast+0x449/0x710 [ 1910.712047][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.712047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.712047][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.712047][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.712047][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.712047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.712047][ T72] [ 1910.713576][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1910.713576][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1910.713576][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1910.713576][ T72] ipv6_find_idev+0x102/0x170 [ 1910.713576][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.713576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.713576][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.713576][ T72] netlink_unicast+0x449/0x710 [ 1910.713576][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.713576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.713576][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.713576][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.713576][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.713576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.713576][ T72] [ 1910.715359][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1910.715627][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1910.715627][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1910.715627][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1910.715627][ T72] fib6_nh_init+0xa22/0x1580 [ 1910.715627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.715627][ T72] ip6_route_add+0x1c/0x140 [ 1910.715627][ T72] inet6_rtm_newroute+0x104/0x110 [ 1910.715627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.715627][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.715627][ T72] netlink_unicast+0x449/0x710 [ 1910.715627][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.715627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.715627][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.715627][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.715627][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.715627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.715627][ T72] [ 1910.717803][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1910.717803][ T72] dst_init+0x84/0x4a0 [ 1910.717803][ T72] dst_alloc+0x97/0x150 [ 1910.717803][ T72] ip6_dst_alloc+0x23/0x90 [ 1910.717803][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.717803][ T72] ip6_pol_route+0x56f/0x840 [ 1910.717803][ T72] fib6_rule_lookup+0x456/0x630 [ 1910.717803][ T72] ip6_route_input+0x59c/0xa50 [ 1910.717803][ T72] ipv6_rcv+0x397/0x810 [ 1910.717803][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1910.717803][ T72] process_backlog+0x101/0x620 [ 1910.717803][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1910.717803][ T72] net_rx_action+0x495/0xbe0 [ 1910.717803][ T72] __do_softirq+0x1b5/0x7f6 [ 1910.717803][ T72] [ 1910.719616][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1910.719616][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.719616][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.719616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.719616][ T72] ip6_route_add+0x1c/0x140 [ 1910.719616][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1910.719616][ T72] inet6_addr_add+0x4f8/0xa40 [ 1910.719616][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.719616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.719616][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.719616][ T72] netlink_unicast+0x449/0x710 [ 1910.719616][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.719616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.719616][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.719616][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.719616][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.719616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.719616][ T72] [ 1910.721771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1910.721771][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.721771][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.721771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.721771][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1910.721771][ T72] ipv6_add_addr+0x411/0x2000 [ 1910.721771][ T72] inet6_addr_add+0x30e/0xa40 [ 1910.721771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.721771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.721771][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.721771][ T72] netlink_unicast+0x449/0x710 [ 1910.721771][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.721771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.721771][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.721771][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.721771][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.721771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.721771][ T72] [ 1910.723988][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1910.723988][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.723988][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.723988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.723988][ T72] ip6_route_add+0x1c/0x140 [ 1910.723988][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1910.723988][ T72] addrconf_add_dev+0xe2/0x170 [ 1910.723988][ T72] inet6_addr_add+0x12f/0xa40 [ 1910.723988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.723988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.723988][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.723988][ T72] netlink_unicast+0x449/0x710 [ 1910.723988][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.723988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.723988][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.723988][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.723988][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.723988][ T72] [ 1910.726232][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1910.726232][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1910.726232][ T72] ipv6_find_idev+0x102/0x170 [ 1910.726232][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.726232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.726232][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.726232][ T72] netlink_unicast+0x449/0x710 [ 1910.726232][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.726232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.726232][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.726232][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.726232][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.726232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.726232][ T72] [ 1910.727939][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1910.727939][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1910.727939][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1910.727939][ T72] ipv6_find_idev+0x102/0x170 [ 1910.727939][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.727939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.727939][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.727939][ T72] netlink_unicast+0x449/0x710 [ 1910.727939][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.727939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.727939][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.727939][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.727939][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.727939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.727939][ T72] [ 1910.729787][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1910.730137][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1910.730137][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.730137][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.730137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.730137][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1910.730137][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1910.730137][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1910.730137][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1910.730137][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1910.730137][ T72] addrconf_dad_begin+0x310/0x670 [ 1910.730137][ T72] addrconf_dad_work+0x10b/0xab0 [ 1910.730137][ T72] process_one_work+0x84d/0x18a0 [ 1910.730137][ T72] worker_thread+0x587/0xd30 [ 1910.730137][ T72] kthread+0x28a/0x350 [ 1910.730137][ T72] ret_from_fork+0x31/0x70 [ 1910.730137][ T72] ret_from_fork_asm+0x1a/0x30 [ 1910.730137][ T72] [ 1910.732158][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1910.732158][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.732158][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.732158][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.732158][ T72] ip6_route_add+0x1c/0x140 [ 1910.732158][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1910.732158][ T72] inet6_addr_add+0x4f8/0xa40 [ 1910.732158][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.732158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.732158][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.732158][ T72] netlink_unicast+0x449/0x710 [ 1910.732158][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.732158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.732158][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.732158][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.732158][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.732158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.732158][ T72] [ 1910.734379][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1910.734379][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.734379][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.734379][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.734379][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1910.734379][ T72] ipv6_add_addr+0x411/0x2000 [ 1910.734379][ T72] inet6_addr_add+0x30e/0xa40 [ 1910.734379][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.734379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.734379][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.734379][ T72] netlink_unicast+0x449/0x710 [ 1910.734379][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.734379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.734379][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.734379][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.734379][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.734379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.734379][ T72] [ 1910.736665][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1910.736665][ T72] netdev_get_by_index+0x5e/0x80 [ 1910.736665][ T72] fib6_nh_init+0x3d8/0x1580 [ 1910.736665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1910.736665][ T72] ip6_route_add+0x1c/0x140 [ 1910.736665][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1910.736665][ T72] addrconf_add_dev+0xe2/0x170 [ 1910.736665][ T72] inet6_addr_add+0x12f/0xa40 [ 1910.736665][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.736665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.736665][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.736665][ T72] netlink_unicast+0x449/0x710 [ 1910.736665][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.736665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.736665][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.736665][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.736665][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.736665][ T72] [ 1910.738867][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1910.738867][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1910.738867][ T72] ipv6_find_idev+0x102/0x170 [ 1910.738867][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.738867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.738867][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.738867][ T72] netlink_unicast+0x449/0x710 [ 1910.738867][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.738867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.738867][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.738867][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.738867][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.738867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.738867][ T72] [ 1910.740571][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1910.740571][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1910.740571][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1910.740571][ T72] ipv6_find_idev+0x102/0x170 [ 1910.740571][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.740571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.740571][ T72] netlink_rcv_skb+0x130/0x360 [ 1910.740571][ T72] netlink_unicast+0x449/0x710 [ 1910.740571][ T72] netlink_sendmsg+0x723/0xbe0 [ 1910.740571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1910.740571][ T72] ___sys_sendmsg+0xee/0x170 [ 1910.740571][ T72] __sys_sendmsg+0xcd/0x170 [ 1910.740571][ T72] do_syscall_64+0xc6/0x1e0 [ 1910.740571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.740571][ T72] [ 1920.864962][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1920.865451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1920.865451][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1920.865451][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1920.865451][ T72] fib6_nh_init+0xa22/0x1580 [ 1920.865451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.865451][ T72] ip6_route_add+0x1c/0x140 [ 1920.865451][ T72] inet6_rtm_newroute+0x104/0x110 [ 1920.865451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.865451][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.865451][ T72] netlink_unicast+0x449/0x710 [ 1920.865451][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.865451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.865451][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.865451][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.865451][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.865451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.865451][ T72] [ 1920.867372][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1920.867372][ T72] dst_init+0x84/0x4a0 [ 1920.867372][ T72] dst_alloc+0x97/0x150 [ 1920.867372][ T72] ip6_dst_alloc+0x23/0x90 [ 1920.867372][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.867372][ T72] ip6_pol_route+0x56f/0x840 [ 1920.867372][ T72] fib6_rule_lookup+0x456/0x630 [ 1920.867372][ T72] ip6_route_input+0x59c/0xa50 [ 1920.867372][ T72] ipv6_rcv+0x397/0x810 [ 1920.867372][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1920.867372][ T72] process_backlog+0x101/0x620 [ 1920.867372][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1920.867372][ T72] net_rx_action+0x495/0xbe0 [ 1920.867372][ T72] __do_softirq+0x1b5/0x7f6 [ 1920.867372][ T72] [ 1920.869014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1920.869014][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.869014][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.869014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.869014][ T72] ip6_route_add+0x1c/0x140 [ 1920.869014][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1920.869014][ T72] inet6_addr_add+0x4f8/0xa40 [ 1920.869014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.869014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.869014][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.869014][ T72] netlink_unicast+0x449/0x710 [ 1920.869014][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.869014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.869014][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.869014][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.869014][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.869014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.869014][ T72] [ 1920.871003][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1920.871003][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.871003][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.871003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.871003][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1920.871003][ T72] ipv6_add_addr+0x411/0x2000 [ 1920.871003][ T72] inet6_addr_add+0x30e/0xa40 [ 1920.871003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.871003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.871003][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.871003][ T72] netlink_unicast+0x449/0x710 [ 1920.871003][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.871003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.871003][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.871003][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.871003][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.871003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.871003][ T72] [ 1920.872986][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1920.872986][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.872986][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.872986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.872986][ T72] ip6_route_add+0x1c/0x140 [ 1920.872986][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.872986][ T72] addrconf_add_dev+0xe2/0x170 [ 1920.872986][ T72] inet6_addr_add+0x12f/0xa40 [ 1920.872986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.872986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.872986][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.872986][ T72] netlink_unicast+0x449/0x710 [ 1920.872986][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.872986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.872986][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.872986][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.872986][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.872986][ T72] [ 1920.874955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1920.874955][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1920.874955][ T72] ipv6_find_idev+0x102/0x170 [ 1920.874955][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.874955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.874955][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.874955][ T72] netlink_unicast+0x449/0x710 [ 1920.874955][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.874955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.874955][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.874955][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.874955][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.874955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.874955][ T72] [ 1920.876480][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1920.876480][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1920.876480][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1920.876480][ T72] ipv6_find_idev+0x102/0x170 [ 1920.876480][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.876480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.876480][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.876480][ T72] netlink_unicast+0x449/0x710 [ 1920.876480][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.876480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.876480][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.876480][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.876480][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.876480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.876480][ T72] [ 1920.878156][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1920.878427][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1920.878427][ T72] dst_init+0x84/0x4a0 [ 1920.878427][ T72] dst_alloc+0x97/0x150 [ 1920.878427][ T72] ip6_dst_alloc+0x23/0x90 [ 1920.878427][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.878427][ T72] ip6_pol_route+0x56f/0x840 [ 1920.878427][ T72] fib6_rule_lookup+0x456/0x630 [ 1920.878427][ T72] ip6_route_input+0x59c/0xa50 [ 1920.878427][ T72] ipv6_rcv+0x397/0x810 [ 1920.878427][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1920.878427][ T72] process_backlog+0x101/0x620 [ 1920.878427][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1920.878427][ T72] net_rx_action+0x495/0xbe0 [ 1920.878427][ T72] __do_softirq+0x1b5/0x7f6 [ 1920.878427][ T72] [ 1920.880065][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1920.880065][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.880065][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.880065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.880065][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1920.880065][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1920.880065][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1920.880065][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1920.880065][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1920.880065][ T72] addrconf_dad_begin+0x310/0x670 [ 1920.880065][ T72] addrconf_dad_work+0x10b/0xab0 [ 1920.880065][ T72] process_one_work+0x84d/0x18a0 [ 1920.880065][ T72] worker_thread+0x587/0xd30 [ 1920.880065][ T72] kthread+0x28a/0x350 [ 1920.880065][ T72] ret_from_fork+0x31/0x70 [ 1920.880065][ T72] ret_from_fork_asm+0x1a/0x30 [ 1920.880065][ T72] [ 1920.881956][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1920.881956][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.881956][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.881956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.881956][ T72] ip6_route_add+0x1c/0x140 [ 1920.881956][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1920.881956][ T72] inet6_addr_add+0x4f8/0xa40 [ 1920.881956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.881956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.881956][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.881956][ T72] netlink_unicast+0x449/0x710 [ 1920.881956][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.881956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.881956][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.881956][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.881956][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.881956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.881956][ T72] [ 1920.884461][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1920.884461][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.884461][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.884461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.884461][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1920.884461][ T72] ipv6_add_addr+0x411/0x2000 [ 1920.884461][ T72] inet6_addr_add+0x30e/0xa40 [ 1920.884461][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.884461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.884461][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.884461][ T72] netlink_unicast+0x449/0x710 [ 1920.884461][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.884461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.884461][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.884461][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.884461][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.884461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.884461][ T72] [ 1920.886438][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1920.886438][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.886438][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.886438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.886438][ T72] ip6_route_add+0x1c/0x140 [ 1920.886438][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.886438][ T72] addrconf_add_dev+0xe2/0x170 [ 1920.886438][ T72] inet6_addr_add+0x12f/0xa40 [ 1920.886438][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.886438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.886438][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.886438][ T72] netlink_unicast+0x449/0x710 [ 1920.886438][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.886438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.886438][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.886438][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.886438][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.886438][ T72] [ 1920.888383][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1920.888383][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1920.888383][ T72] ipv6_find_idev+0x102/0x170 [ 1920.888383][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.888383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.888383][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.888383][ T72] netlink_unicast+0x449/0x710 [ 1920.888383][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.888383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.888383][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.888383][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.888383][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.888383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.888383][ T72] [ 1920.889926][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1920.889926][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1920.889926][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1920.889926][ T72] ipv6_find_idev+0x102/0x170 [ 1920.889926][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.889926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.889926][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.889926][ T72] netlink_unicast+0x449/0x710 [ 1920.889926][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.889926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.889926][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.889926][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.889926][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.889926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.889926][ T72] [ 1920.892092][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1920.892361][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1920.892361][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1920.892361][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1920.892361][ T72] fib6_nh_init+0xa22/0x1580 [ 1920.892361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.892361][ T72] ip6_route_add+0x1c/0x140 [ 1920.892361][ T72] inet6_rtm_newroute+0x104/0x110 [ 1920.892361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.892361][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.892361][ T72] netlink_unicast+0x449/0x710 [ 1920.892361][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.892361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.892361][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.892361][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.892361][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.892361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.892361][ T72] [ 1920.894524][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1920.894524][ T72] dst_init+0x84/0x4a0 [ 1920.894524][ T72] dst_alloc+0x97/0x150 [ 1920.894524][ T72] ip6_dst_alloc+0x23/0x90 [ 1920.894524][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.894524][ T72] ip6_pol_route+0x56f/0x840 [ 1920.894524][ T72] fib6_rule_lookup+0x456/0x630 [ 1920.894524][ T72] ip6_route_input+0x59c/0xa50 [ 1920.894524][ T72] ipv6_rcv+0x397/0x810 [ 1920.894524][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1920.894524][ T72] process_backlog+0x101/0x620 [ 1920.894524][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1920.894524][ T72] net_rx_action+0x495/0xbe0 [ 1920.894524][ T72] __do_softirq+0x1b5/0x7f6 [ 1920.894524][ T72] [ 1920.896324][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1920.896324][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.896324][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.896324][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.896324][ T72] ip6_route_add+0x1c/0x140 [ 1920.896324][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1920.896324][ T72] inet6_addr_add+0x4f8/0xa40 [ 1920.896324][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.896324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.896324][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.896324][ T72] netlink_unicast+0x449/0x710 [ 1920.896324][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.896324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.896324][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.896324][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.896324][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.896324][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.896324][ T72] [ 1920.898483][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1920.898483][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.898483][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.898483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.898483][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1920.898483][ T72] ipv6_add_addr+0x411/0x2000 [ 1920.898483][ T72] inet6_addr_add+0x30e/0xa40 [ 1920.898483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.898483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.898483][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.898483][ T72] netlink_unicast+0x449/0x710 [ 1920.898483][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.898483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.898483][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.898483][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.898483][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.898483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.898483][ T72] [ 1920.900656][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1920.900656][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.900656][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.900656][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.900656][ T72] ip6_route_add+0x1c/0x140 [ 1920.900656][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.900656][ T72] addrconf_add_dev+0xe2/0x170 [ 1920.900656][ T72] inet6_addr_add+0x12f/0xa40 [ 1920.900656][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.900656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.900656][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.900656][ T72] netlink_unicast+0x449/0x710 [ 1920.900656][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.900656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.900656][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.900656][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.900656][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.900656][ T72] [ 1920.902919][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1920.902919][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1920.902919][ T72] ipv6_find_idev+0x102/0x170 [ 1920.902919][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.902919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.902919][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.902919][ T72] netlink_unicast+0x449/0x710 [ 1920.902919][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.902919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.902919][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.902919][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.902919][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.902919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.902919][ T72] [ 1920.904626][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1920.904626][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1920.904626][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1920.904626][ T72] ipv6_find_idev+0x102/0x170 [ 1920.904626][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.904626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.904626][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.904626][ T72] netlink_unicast+0x449/0x710 [ 1920.904626][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.904626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.904626][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.904626][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.904626][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.904626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.904626][ T72] [ 1920.906513][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1920.907290][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1920.907290][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.907290][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.907290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.907290][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1920.907290][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1920.907290][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1920.907290][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1920.907290][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1920.907290][ T72] addrconf_dad_begin+0x310/0x670 [ 1920.907290][ T72] addrconf_dad_work+0x10b/0xab0 [ 1920.907290][ T72] process_one_work+0x84d/0x18a0 [ 1920.907290][ T72] worker_thread+0x587/0xd30 [ 1920.907290][ T72] kthread+0x28a/0x350 [ 1920.907290][ T72] ret_from_fork+0x31/0x70 [ 1920.907290][ T72] ret_from_fork_asm+0x1a/0x30 [ 1920.907290][ T72] [ 1920.909191][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1920.909191][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.909191][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.909191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.909191][ T72] ip6_route_add+0x1c/0x140 [ 1920.909191][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1920.909191][ T72] inet6_addr_add+0x4f8/0xa40 [ 1920.909191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.909191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.909191][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.909191][ T72] netlink_unicast+0x449/0x710 [ 1920.909191][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.909191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.909191][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.909191][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.909191][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.909191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.909191][ T72] [ 1920.911171][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1920.911171][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.911171][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.911171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.911171][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1920.911171][ T72] ipv6_add_addr+0x411/0x2000 [ 1920.911171][ T72] inet6_addr_add+0x30e/0xa40 [ 1920.911171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.911171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.911171][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.911171][ T72] netlink_unicast+0x449/0x710 [ 1920.911171][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.911171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.911171][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.911171][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.911171][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.911171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.911171][ T72] [ 1920.913391][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1920.913391][ T72] netdev_get_by_index+0x5e/0x80 [ 1920.913391][ T72] fib6_nh_init+0x3d8/0x1580 [ 1920.913391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1920.913391][ T72] ip6_route_add+0x1c/0x140 [ 1920.913391][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.913391][ T72] addrconf_add_dev+0xe2/0x170 [ 1920.913391][ T72] inet6_addr_add+0x12f/0xa40 [ 1920.913391][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.913391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.913391][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.913391][ T72] netlink_unicast+0x449/0x710 [ 1920.913391][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.913391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.913391][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.913391][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.913391][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.913391][ T72] [ 1920.915642][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1920.915642][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1920.915642][ T72] ipv6_find_idev+0x102/0x170 [ 1920.915642][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.915642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.915642][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.915642][ T72] netlink_unicast+0x449/0x710 [ 1920.915642][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.915642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.915642][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.915642][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.915642][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.915642][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.915642][ T72] [ 1920.917350][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1920.917350][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1920.917350][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1920.917350][ T72] ipv6_find_idev+0x102/0x170 [ 1920.917350][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.917350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.917350][ T72] netlink_rcv_skb+0x130/0x360 [ 1920.917350][ T72] netlink_unicast+0x449/0x710 [ 1920.917350][ T72] netlink_sendmsg+0x723/0xbe0 [ 1920.917350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1920.917350][ T72] ___sys_sendmsg+0xee/0x170 [ 1920.917350][ T72] __sys_sendmsg+0xcd/0x170 [ 1920.917350][ T72] do_syscall_64+0xc6/0x1e0 [ 1920.917350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.917350][ T72] [ 1930.960963][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1930.962102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1930.962102][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1930.962102][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1930.962102][ T72] fib6_nh_init+0xa22/0x1580 [ 1930.962102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.962102][ T72] ip6_route_add+0x1c/0x140 [ 1930.962102][ T72] inet6_rtm_newroute+0x104/0x110 [ 1930.962102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.962102][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.962102][ T72] netlink_unicast+0x449/0x710 [ 1930.962102][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.962102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.962102][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.962102][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.962102][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.962102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.962102][ T72] [ 1930.964020][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1930.964020][ T72] dst_init+0x84/0x4a0 [ 1930.964020][ T72] dst_alloc+0x97/0x150 [ 1930.964020][ T72] ip6_dst_alloc+0x23/0x90 [ 1930.964020][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.964020][ T72] ip6_pol_route+0x56f/0x840 [ 1930.964020][ T72] fib6_rule_lookup+0x456/0x630 [ 1930.964020][ T72] ip6_route_input+0x59c/0xa50 [ 1930.964020][ T72] ipv6_rcv+0x397/0x810 [ 1930.964020][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1930.964020][ T72] process_backlog+0x101/0x620 [ 1930.964020][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1930.964020][ T72] net_rx_action+0x495/0xbe0 [ 1930.964020][ T72] __do_softirq+0x1b5/0x7f6 [ 1930.964020][ T72] [ 1930.965688][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1930.965688][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.965688][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.965688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.965688][ T72] ip6_route_add+0x1c/0x140 [ 1930.965688][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1930.965688][ T72] inet6_addr_add+0x4f8/0xa40 [ 1930.965688][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.965688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.965688][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.965688][ T72] netlink_unicast+0x449/0x710 [ 1930.965688][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.965688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.965688][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.965688][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.965688][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.965688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.965688][ T72] [ 1930.967683][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1930.967683][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.967683][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.967683][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.967683][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1930.967683][ T72] ipv6_add_addr+0x411/0x2000 [ 1930.967683][ T72] inet6_addr_add+0x30e/0xa40 [ 1930.967683][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.967683][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.967683][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.967683][ T72] netlink_unicast+0x449/0x710 [ 1930.967683][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.967683][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.967683][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.967683][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.967683][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.967683][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.967683][ T72] [ 1930.969673][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1930.969673][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.969673][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.969673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.969673][ T72] ip6_route_add+0x1c/0x140 [ 1930.969673][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.969673][ T72] addrconf_add_dev+0xe2/0x170 [ 1930.969673][ T72] inet6_addr_add+0x12f/0xa40 [ 1930.969673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.969673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.969673][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.969673][ T72] netlink_unicast+0x449/0x710 [ 1930.969673][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.969673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.969673][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.969673][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.969673][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.969673][ T72] [ 1930.971629][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1930.971629][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1930.971629][ T72] ipv6_find_idev+0x102/0x170 [ 1930.971629][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.971629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.971629][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.971629][ T72] netlink_unicast+0x449/0x710 [ 1930.971629][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.971629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.971629][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.971629][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.971629][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.971629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.971629][ T72] [ 1930.973157][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1930.973157][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1930.973157][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1930.973157][ T72] ipv6_find_idev+0x102/0x170 [ 1930.973157][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.973157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.973157][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.973157][ T72] netlink_unicast+0x449/0x710 [ 1930.973157][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.973157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.973157][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.973157][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.973157][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.973157][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.973157][ T72] [ 1930.974832][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1930.975100][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1930.975100][ T72] dst_init+0x84/0x4a0 [ 1930.975100][ T72] dst_alloc+0x97/0x150 [ 1930.975100][ T72] ip6_dst_alloc+0x23/0x90 [ 1930.975100][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.975100][ T72] ip6_pol_route+0x56f/0x840 [ 1930.975100][ T72] fib6_rule_lookup+0x456/0x630 [ 1930.975100][ T72] ip6_route_input+0x59c/0xa50 [ 1930.975100][ T72] ipv6_rcv+0x397/0x810 [ 1930.975100][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1930.975100][ T72] process_backlog+0x101/0x620 [ 1930.975100][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1930.975100][ T72] net_rx_action+0x495/0xbe0 [ 1930.975100][ T72] __do_softirq+0x1b5/0x7f6 [ 1930.975100][ T72] [ 1930.976728][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1930.976728][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.976728][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.976728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.976728][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1930.976728][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1930.976728][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1930.976728][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1930.976728][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1930.976728][ T72] addrconf_dad_begin+0x310/0x670 [ 1930.976728][ T72] addrconf_dad_work+0x10b/0xab0 [ 1930.976728][ T72] process_one_work+0x84d/0x18a0 [ 1930.976728][ T72] worker_thread+0x587/0xd30 [ 1930.976728][ T72] kthread+0x28a/0x350 [ 1930.976728][ T72] ret_from_fork+0x31/0x70 [ 1930.976728][ T72] ret_from_fork_asm+0x1a/0x30 [ 1930.976728][ T72] [ 1930.978634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1930.978634][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.978634][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.978634][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.978634][ T72] ip6_route_add+0x1c/0x140 [ 1930.978634][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1930.978634][ T72] inet6_addr_add+0x4f8/0xa40 [ 1930.978634][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.978634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.978634][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.978634][ T72] netlink_unicast+0x449/0x710 [ 1930.978634][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.978634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.978634][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.978634][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.978634][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.978634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.978634][ T72] [ 1930.980617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1930.980617][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.980617][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.980617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.980617][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1930.980617][ T72] ipv6_add_addr+0x411/0x2000 [ 1930.980617][ T72] inet6_addr_add+0x30e/0xa40 [ 1930.980617][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.980617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.980617][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.980617][ T72] netlink_unicast+0x449/0x710 [ 1930.980617][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.980617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.980617][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.980617][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.980617][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.980617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.980617][ T72] [ 1930.982968][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1930.982968][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.982968][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.982968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.982968][ T72] ip6_route_add+0x1c/0x140 [ 1930.982968][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.982968][ T72] addrconf_add_dev+0xe2/0x170 [ 1930.982968][ T72] inet6_addr_add+0x12f/0xa40 [ 1930.982968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.982968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.982968][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.982968][ T72] netlink_unicast+0x449/0x710 [ 1930.982968][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.982968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.982968][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.982968][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.982968][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.982968][ T72] [ 1930.984919][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1930.984919][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1930.984919][ T72] ipv6_find_idev+0x102/0x170 [ 1930.984919][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.984919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.984919][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.984919][ T72] netlink_unicast+0x449/0x710 [ 1930.984919][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.984919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.984919][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.984919][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.984919][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.984919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.984919][ T72] [ 1930.986461][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1930.986461][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1930.986461][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1930.986461][ T72] ipv6_find_idev+0x102/0x170 [ 1930.986461][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.986461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.986461][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.986461][ T72] netlink_unicast+0x449/0x710 [ 1930.986461][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.986461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.986461][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.986461][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.986461][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.986461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.986461][ T72] [ 1930.988191][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1930.988520][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1930.988520][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1930.988520][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1930.988520][ T72] fib6_nh_init+0xa22/0x1580 [ 1930.988520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.988520][ T72] ip6_route_add+0x1c/0x140 [ 1930.988520][ T72] inet6_rtm_newroute+0x104/0x110 [ 1930.988520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.988520][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.988520][ T72] netlink_unicast+0x449/0x710 [ 1930.988520][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.988520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.988520][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.988520][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.988520][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.988520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.988520][ T72] [ 1930.990564][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1930.990564][ T72] dst_init+0x84/0x4a0 [ 1930.990564][ T72] dst_alloc+0x97/0x150 [ 1930.990564][ T72] ip6_dst_alloc+0x23/0x90 [ 1930.990564][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.990564][ T72] ip6_pol_route+0x56f/0x840 [ 1930.990564][ T72] fib6_rule_lookup+0x456/0x630 [ 1930.990564][ T72] ip6_route_input+0x59c/0xa50 [ 1930.990564][ T72] ipv6_rcv+0x397/0x810 [ 1930.990564][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1930.990564][ T72] process_backlog+0x101/0x620 [ 1930.990564][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1930.990564][ T72] net_rx_action+0x495/0xbe0 [ 1930.990564][ T72] __do_softirq+0x1b5/0x7f6 [ 1930.990564][ T72] [ 1930.992373][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1930.992373][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.992373][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.992373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.992373][ T72] ip6_route_add+0x1c/0x140 [ 1930.992373][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1930.992373][ T72] inet6_addr_add+0x4f8/0xa40 [ 1930.992373][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.992373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.992373][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.992373][ T72] netlink_unicast+0x449/0x710 [ 1930.992373][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.992373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.992373][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.992373][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.992373][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.992373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.992373][ T72] [ 1930.994592][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1930.994592][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.994592][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.994592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.994592][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1930.994592][ T72] ipv6_add_addr+0x411/0x2000 [ 1930.994592][ T72] inet6_addr_add+0x30e/0xa40 [ 1930.994592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.994592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.994592][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.994592][ T72] netlink_unicast+0x449/0x710 [ 1930.994592][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.994592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.994592][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.994592][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.994592][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.994592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.994592][ T72] [ 1930.996813][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1930.996813][ T72] netdev_get_by_index+0x5e/0x80 [ 1930.996813][ T72] fib6_nh_init+0x3d8/0x1580 [ 1930.996813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1930.996813][ T72] ip6_route_add+0x1c/0x140 [ 1930.996813][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.996813][ T72] addrconf_add_dev+0xe2/0x170 [ 1930.996813][ T72] inet6_addr_add+0x12f/0xa40 [ 1930.996813][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.996813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.996813][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.996813][ T72] netlink_unicast+0x449/0x710 [ 1930.996813][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.996813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.996813][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.996813][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.996813][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.996813][ T72] [ 1930.999054][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1930.999054][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1930.999054][ T72] ipv6_find_idev+0x102/0x170 [ 1930.999054][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.999054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.999054][ T72] netlink_rcv_skb+0x130/0x360 [ 1930.999054][ T72] netlink_unicast+0x449/0x710 [ 1930.999054][ T72] netlink_sendmsg+0x723/0xbe0 [ 1930.999054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1930.999054][ T72] ___sys_sendmsg+0xee/0x170 [ 1930.999054][ T72] __sys_sendmsg+0xcd/0x170 [ 1930.999054][ T72] do_syscall_64+0xc6/0x1e0 [ 1930.999054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.999054][ T72] [ 1931.000762][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1931.000762][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1931.000762][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1931.000762][ T72] ipv6_find_idev+0x102/0x170 [ 1931.000762][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1931.000762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.000762][ T72] netlink_rcv_skb+0x130/0x360 [ 1931.000762][ T72] netlink_unicast+0x449/0x710 [ 1931.000762][ T72] netlink_sendmsg+0x723/0xbe0 [ 1931.000762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1931.000762][ T72] ___sys_sendmsg+0xee/0x170 [ 1931.000762][ T72] __sys_sendmsg+0xcd/0x170 [ 1931.000762][ T72] do_syscall_64+0xc6/0x1e0 [ 1931.000762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.000762][ T72] [ 1931.002656][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1931.002942][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1931.002942][ T72] netdev_get_by_index+0x5e/0x80 [ 1931.002942][ T72] fib6_nh_init+0x3d8/0x1580 [ 1931.002942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1931.002942][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1931.002942][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1931.002942][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1931.002942][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1931.002942][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1931.002942][ T72] addrconf_dad_begin+0x310/0x670 [ 1931.002942][ T72] addrconf_dad_work+0x10b/0xab0 [ 1931.002942][ T72] process_one_work+0x84d/0x18a0 [ 1931.002942][ T72] worker_thread+0x587/0xd30 [ 1931.002942][ T72] kthread+0x28a/0x350 [ 1931.002942][ T72] ret_from_fork+0x31/0x70 [ 1931.002942][ T72] ret_from_fork_asm+0x1a/0x30 [ 1931.002942][ T72] [ 1931.005082][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1931.005082][ T72] netdev_get_by_index+0x5e/0x80 [ 1931.005082][ T72] fib6_nh_init+0x3d8/0x1580 [ 1931.005082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1931.005082][ T72] ip6_route_add+0x1c/0x140 [ 1931.005082][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1931.005082][ T72] inet6_addr_add+0x4f8/0xa40 [ 1931.005082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.005082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.005082][ T72] netlink_rcv_skb+0x130/0x360 [ 1931.005082][ T72] netlink_unicast+0x449/0x710 [ 1931.005082][ T72] netlink_sendmsg+0x723/0xbe0 [ 1931.005082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1931.005082][ T72] ___sys_sendmsg+0xee/0x170 [ 1931.005082][ T72] __sys_sendmsg+0xcd/0x170 [ 1931.005082][ T72] do_syscall_64+0xc6/0x1e0 [ 1931.005082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.005082][ T72] [ 1931.007303][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1931.007303][ T72] netdev_get_by_index+0x5e/0x80 [ 1931.007303][ T72] fib6_nh_init+0x3d8/0x1580 [ 1931.007303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1931.007303][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1931.007303][ T72] ipv6_add_addr+0x411/0x2000 [ 1931.007303][ T72] inet6_addr_add+0x30e/0xa40 [ 1931.007303][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.007303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.007303][ T72] netlink_rcv_skb+0x130/0x360 [ 1931.007303][ T72] netlink_unicast+0x449/0x710 [ 1931.007303][ T72] netlink_sendmsg+0x723/0xbe0 [ 1931.007303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1931.007303][ T72] ___sys_sendmsg+0xee/0x170 [ 1931.007303][ T72] __sys_sendmsg+0xcd/0x170 [ 1931.007303][ T72] do_syscall_64+0xc6/0x1e0 [ 1931.007303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.007303][ T72] [ 1931.009530][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1931.009530][ T72] netdev_get_by_index+0x5e/0x80 [ 1931.009530][ T72] fib6_nh_init+0x3d8/0x1580 [ 1931.009530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1931.009530][ T72] ip6_route_add+0x1c/0x140 [ 1931.009530][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1931.009530][ T72] addrconf_add_dev+0xe2/0x170 [ 1931.009530][ T72] inet6_addr_add+0x12f/0xa40 [ 1931.009530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.009530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.009530][ T72] netlink_rcv_skb+0x130/0x360 [ 1931.009530][ T72] netlink_unicast+0x449/0x710 [ 1931.009530][ T72] netlink_sendmsg+0x723/0xbe0 [ 1931.009530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1931.009530][ T72] ___sys_sendmsg+0xee/0x170 [ 1931.009530][ T72] __sys_sendmsg+0xcd/0x170 [ 1931.009530][ T72] do_syscall_64+0xc6/0x1e0 [ 1931.009530][ T72] [ 1931.011714][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1931.011714][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1931.011714][ T72] ipv6_find_idev+0x102/0x170 [ 1931.011714][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1931.011714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.011714][ T72] netlink_rcv_skb+0x130/0x360 [ 1931.011714][ T72] netlink_unicast+0x449/0x710 [ 1931.011714][ T72] netlink_sendmsg+0x723/0xbe0 [ 1931.011714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1931.011714][ T72] ___sys_sendmsg+0xee/0x170 [ 1931.011714][ T72] __sys_sendmsg+0xcd/0x170 [ 1931.011714][ T72] do_syscall_64+0xc6/0x1e0 [ 1931.011714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.011714][ T72] [ 1931.013423][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1931.013423][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1931.013423][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1931.013423][ T72] ipv6_find_idev+0x102/0x170 [ 1931.013423][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1931.013423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.013423][ T72] netlink_rcv_skb+0x130/0x360 [ 1931.013423][ T72] netlink_unicast+0x449/0x710 [ 1931.013423][ T72] netlink_sendmsg+0x723/0xbe0 [ 1931.013423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1931.013423][ T72] ___sys_sendmsg+0xee/0x170 [ 1931.013423][ T72] __sys_sendmsg+0xcd/0x170 [ 1931.013423][ T72] do_syscall_64+0xc6/0x1e0 [ 1931.013423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.013423][ T72] [ 1941.264956][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1941.265388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1941.265388][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1941.265388][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1941.265388][ T72] fib6_nh_init+0xa22/0x1580 [ 1941.265388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.265388][ T72] ip6_route_add+0x1c/0x140 [ 1941.265388][ T72] inet6_rtm_newroute+0x104/0x110 [ 1941.265388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.265388][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.265388][ T72] netlink_unicast+0x449/0x710 [ 1941.265388][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.265388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.265388][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.265388][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.265388][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.265388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.265388][ T72] [ 1941.267275][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1941.267275][ T72] dst_init+0x84/0x4a0 [ 1941.267275][ T72] dst_alloc+0x97/0x150 [ 1941.267275][ T72] ip6_dst_alloc+0x23/0x90 [ 1941.267275][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1941.267275][ T72] ip6_pol_route+0x56f/0x840 [ 1941.267275][ T72] fib6_rule_lookup+0x456/0x630 [ 1941.267275][ T72] ip6_route_input+0x59c/0xa50 [ 1941.267275][ T72] ipv6_rcv+0x397/0x810 [ 1941.267275][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1941.267275][ T72] process_backlog+0x101/0x620 [ 1941.267275][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1941.267275][ T72] net_rx_action+0x495/0xbe0 [ 1941.267275][ T72] __do_softirq+0x1b5/0x7f6 [ 1941.267275][ T72] [ 1941.268934][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1941.268934][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.268934][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.268934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.268934][ T72] ip6_route_add+0x1c/0x140 [ 1941.268934][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1941.268934][ T72] inet6_addr_add+0x4f8/0xa40 [ 1941.268934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.268934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.268934][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.268934][ T72] netlink_unicast+0x449/0x710 [ 1941.268934][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.268934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.268934][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.268934][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.268934][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.268934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.268934][ T72] [ 1941.270930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1941.270930][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.270930][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.270930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.270930][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1941.270930][ T72] ipv6_add_addr+0x411/0x2000 [ 1941.270930][ T72] inet6_addr_add+0x30e/0xa40 [ 1941.270930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.270930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.270930][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.270930][ T72] netlink_unicast+0x449/0x710 [ 1941.270930][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.270930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.270930][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.270930][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.270930][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.270930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.270930][ T72] [ 1941.272925][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1941.272925][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.272925][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.272925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.272925][ T72] ip6_route_add+0x1c/0x140 [ 1941.272925][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1941.272925][ T72] addrconf_add_dev+0xe2/0x170 [ 1941.272925][ T72] inet6_addr_add+0x12f/0xa40 [ 1941.272925][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.272925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.272925][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.272925][ T72] netlink_unicast+0x449/0x710 [ 1941.272925][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.272925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.272925][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.272925][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.272925][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.272925][ T72] [ 1941.274874][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1941.274874][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1941.274874][ T72] ipv6_find_idev+0x102/0x170 [ 1941.274874][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.274874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.274874][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.274874][ T72] netlink_unicast+0x449/0x710 [ 1941.274874][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.274874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.274874][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.274874][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.274874][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.274874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.274874][ T72] [ 1941.276417][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1941.276417][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1941.276417][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1941.276417][ T72] ipv6_find_idev+0x102/0x170 [ 1941.276417][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.276417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.276417][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.276417][ T72] netlink_unicast+0x449/0x710 [ 1941.276417][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.276417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.276417][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.276417][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.276417][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.276417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.276417][ T72] [ 1941.278104][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1941.278957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1941.278957][ T72] dst_init+0x84/0x4a0 [ 1941.278957][ T72] dst_alloc+0x97/0x150 [ 1941.278957][ T72] ip6_dst_alloc+0x23/0x90 [ 1941.278957][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1941.278957][ T72] ip6_pol_route+0x56f/0x840 [ 1941.278957][ T72] fib6_rule_lookup+0x456/0x630 [ 1941.278957][ T72] ip6_route_input+0x59c/0xa50 [ 1941.278957][ T72] ipv6_rcv+0x397/0x810 [ 1941.278957][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1941.278957][ T72] process_backlog+0x101/0x620 [ 1941.278957][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1941.278957][ T72] net_rx_action+0x495/0xbe0 [ 1941.278957][ T72] __do_softirq+0x1b5/0x7f6 [ 1941.278957][ T72] [ 1941.280586][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1941.280586][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.280586][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.280586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.280586][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1941.280586][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1941.280586][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1941.280586][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1941.280586][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1941.280586][ T72] addrconf_dad_begin+0x310/0x670 [ 1941.280586][ T72] addrconf_dad_work+0x10b/0xab0 [ 1941.280586][ T72] process_one_work+0x84d/0x18a0 [ 1941.280586][ T72] worker_thread+0x587/0xd30 [ 1941.280586][ T72] kthread+0x28a/0x350 [ 1941.280586][ T72] ret_from_fork+0x31/0x70 [ 1941.280586][ T72] ret_from_fork_asm+0x1a/0x30 [ 1941.280586][ T72] [ 1941.282480][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1941.282480][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.282480][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.282480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.282480][ T72] ip6_route_add+0x1c/0x140 [ 1941.282480][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1941.282480][ T72] inet6_addr_add+0x4f8/0xa40 [ 1941.282480][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.282480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.282480][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.282480][ T72] netlink_unicast+0x449/0x710 [ 1941.282480][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.282480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.282480][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.282480][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.282480][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.282480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.282480][ T72] [ 1941.284465][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1941.284465][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.284465][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.284465][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.284465][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1941.284465][ T72] ipv6_add_addr+0x411/0x2000 [ 1941.284465][ T72] inet6_addr_add+0x30e/0xa40 [ 1941.284465][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.284465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.284465][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.284465][ T72] netlink_unicast+0x449/0x710 [ 1941.284465][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.284465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.284465][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.284465][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.284465][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.284465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.284465][ T72] [ 1941.286449][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1941.286449][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.286449][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.286449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.286449][ T72] ip6_route_add+0x1c/0x140 [ 1941.286449][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1941.286449][ T72] addrconf_add_dev+0xe2/0x170 [ 1941.286449][ T72] inet6_addr_add+0x12f/0xa40 [ 1941.286449][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.286449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.286449][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.286449][ T72] netlink_unicast+0x449/0x710 [ 1941.286449][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.286449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.286449][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.286449][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.286449][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.286449][ T72] [ 1941.288398][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1941.288398][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1941.288398][ T72] ipv6_find_idev+0x102/0x170 [ 1941.288398][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.288398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.288398][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.288398][ T72] netlink_unicast+0x449/0x710 [ 1941.288398][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.288398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.288398][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.288398][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.288398][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.288398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.288398][ T72] [ 1941.289932][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1941.289932][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1941.289932][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1941.289932][ T72] ipv6_find_idev+0x102/0x170 [ 1941.289932][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.289932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.289932][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.289932][ T72] netlink_unicast+0x449/0x710 [ 1941.289932][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.289932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.289932][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.289932][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.289932][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.289932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.289932][ T72] [ 1941.291666][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1941.292010][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1941.292010][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1941.292010][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1941.292010][ T72] fib6_nh_init+0xa22/0x1580 [ 1941.292010][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.292010][ T72] ip6_route_add+0x1c/0x140 [ 1941.292010][ T72] inet6_rtm_newroute+0x104/0x110 [ 1941.292010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.292010][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.292010][ T72] netlink_unicast+0x449/0x710 [ 1941.292010][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.292010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.292010][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.292010][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.292010][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.292010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.292010][ T72] [ 1941.294391][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1941.294391][ T72] dst_init+0x84/0x4a0 [ 1941.294391][ T72] dst_alloc+0x97/0x150 [ 1941.294391][ T72] ip6_dst_alloc+0x23/0x90 [ 1941.294391][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1941.294391][ T72] ip6_pol_route+0x56f/0x840 [ 1941.294391][ T72] fib6_rule_lookup+0x456/0x630 [ 1941.294391][ T72] ip6_route_input+0x59c/0xa50 [ 1941.294391][ T72] ipv6_rcv+0x397/0x810 [ 1941.294391][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1941.294391][ T72] process_backlog+0x101/0x620 [ 1941.294391][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1941.294391][ T72] net_rx_action+0x495/0xbe0 [ 1941.294391][ T72] __do_softirq+0x1b5/0x7f6 [ 1941.294391][ T72] [ 1941.296313][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1941.296313][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.296313][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.296313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.296313][ T72] ip6_route_add+0x1c/0x140 [ 1941.296313][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1941.296313][ T72] inet6_addr_add+0x4f8/0xa40 [ 1941.296313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.296313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.296313][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.296313][ T72] netlink_unicast+0x449/0x710 [ 1941.296313][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.296313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.296313][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.296313][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.296313][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.296313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.296313][ T72] [ 1941.298610][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1941.298610][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.298610][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.298610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.298610][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1941.298610][ T72] ipv6_add_addr+0x411/0x2000 [ 1941.298610][ T72] inet6_addr_add+0x30e/0xa40 [ 1941.298610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.298610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.298610][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.298610][ T72] netlink_unicast+0x449/0x710 [ 1941.298610][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.298610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.298610][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.298610][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.298610][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.298610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.298610][ T72] [ 1941.300776][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1941.300776][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.300776][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.300776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.300776][ T72] ip6_route_add+0x1c/0x140 [ 1941.300776][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1941.300776][ T72] addrconf_add_dev+0xe2/0x170 [ 1941.300776][ T72] inet6_addr_add+0x12f/0xa40 [ 1941.300776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.300776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.300776][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.300776][ T72] netlink_unicast+0x449/0x710 [ 1941.300776][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.300776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.300776][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.300776][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.300776][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.300776][ T72] [ 1941.302956][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1941.302956][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1941.302956][ T72] ipv6_find_idev+0x102/0x170 [ 1941.302956][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.302956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.302956][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.302956][ T72] netlink_unicast+0x449/0x710 [ 1941.302956][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.302956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.302956][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.302956][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.302956][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.302956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.302956][ T72] [ 1941.304656][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1941.304656][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1941.304656][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1941.304656][ T72] ipv6_find_idev+0x102/0x170 [ 1941.304656][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.304656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.304656][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.304656][ T72] netlink_unicast+0x449/0x710 [ 1941.304656][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.304656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.304656][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.304656][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.304656][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.304656][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.304656][ T72] [ 1941.306494][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1941.306765][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1941.306765][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.306765][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.306765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.306765][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1941.306765][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1941.306765][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1941.306765][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1941.306765][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1941.306765][ T72] addrconf_dad_begin+0x310/0x670 [ 1941.306765][ T72] addrconf_dad_work+0x10b/0xab0 [ 1941.306765][ T72] process_one_work+0x84d/0x18a0 [ 1941.306765][ T72] worker_thread+0x587/0xd30 [ 1941.306765][ T72] kthread+0x28a/0x350 [ 1941.306765][ T72] ret_from_fork+0x31/0x70 [ 1941.306765][ T72] ret_from_fork_asm+0x1a/0x30 [ 1941.306765][ T72] [ 1941.309338][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1941.309338][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.309338][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.309338][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.309338][ T72] ip6_route_add+0x1c/0x140 [ 1941.309338][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1941.309338][ T72] inet6_addr_add+0x4f8/0xa40 [ 1941.309338][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.309338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.309338][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.309338][ T72] netlink_unicast+0x449/0x710 [ 1941.309338][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.309338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.309338][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.309338][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.309338][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.309338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.309338][ T72] [ 1941.311563][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1941.311563][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.311563][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.311563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.311563][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1941.311563][ T72] ipv6_add_addr+0x411/0x2000 [ 1941.311563][ T72] inet6_addr_add+0x30e/0xa40 [ 1941.311563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.311563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.311563][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.311563][ T72] netlink_unicast+0x449/0x710 [ 1941.311563][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.311563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.311563][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.311563][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.311563][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.311563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.311563][ T72] [ 1941.313802][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1941.313802][ T72] netdev_get_by_index+0x5e/0x80 [ 1941.313802][ T72] fib6_nh_init+0x3d8/0x1580 [ 1941.313802][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1941.313802][ T72] ip6_route_add+0x1c/0x140 [ 1941.313802][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1941.313802][ T72] addrconf_add_dev+0xe2/0x170 [ 1941.313802][ T72] inet6_addr_add+0x12f/0xa40 [ 1941.313802][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1941.313802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.313802][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.313802][ T72] netlink_unicast+0x449/0x710 [ 1941.313802][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.313802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.313802][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.313802][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.313802][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.313802][ T72] [ 1941.315994][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1941.315994][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1941.315994][ T72] ipv6_find_idev+0x102/0x170 [ 1941.315994][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.315994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.315994][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.315994][ T72] netlink_unicast+0x449/0x710 [ 1941.315994][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.315994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.315994][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.315994][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.315994][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.315994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.315994][ T72] [ 1941.317706][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1941.317706][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1941.317706][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1941.317706][ T72] ipv6_find_idev+0x102/0x170 [ 1941.317706][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1941.317706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1941.317706][ T72] netlink_rcv_skb+0x130/0x360 [ 1941.317706][ T72] netlink_unicast+0x449/0x710 [ 1941.317706][ T72] netlink_sendmsg+0x723/0xbe0 [ 1941.317706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1941.317706][ T72] ___sys_sendmsg+0xee/0x170 [ 1941.317706][ T72] __sys_sendmsg+0xcd/0x170 [ 1941.317706][ T72] do_syscall_64+0xc6/0x1e0 [ 1941.317706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1941.317706][ T72] [ 1951.320944][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1951.321464][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1951.321464][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1951.321464][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1951.321464][ T72] fib6_nh_init+0xa22/0x1580 [ 1951.321464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.321464][ T72] ip6_route_add+0x1c/0x140 [ 1951.321464][ T72] inet6_rtm_newroute+0x104/0x110 [ 1951.321464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.321464][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.321464][ T72] netlink_unicast+0x449/0x710 [ 1951.321464][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.321464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.321464][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.321464][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.321464][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.321464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.321464][ T72] [ 1951.323364][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1951.323364][ T72] dst_init+0x84/0x4a0 [ 1951.323364][ T72] dst_alloc+0x97/0x150 [ 1951.323364][ T72] ip6_dst_alloc+0x23/0x90 [ 1951.323364][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.323364][ T72] ip6_pol_route+0x56f/0x840 [ 1951.323364][ T72] fib6_rule_lookup+0x456/0x630 [ 1951.323364][ T72] ip6_route_input+0x59c/0xa50 [ 1951.323364][ T72] ipv6_rcv+0x397/0x810 [ 1951.323364][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1951.323364][ T72] process_backlog+0x101/0x620 [ 1951.323364][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1951.323364][ T72] net_rx_action+0x495/0xbe0 [ 1951.323364][ T72] __do_softirq+0x1b5/0x7f6 [ 1951.323364][ T72] [ 1951.324999][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1951.324999][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.324999][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.324999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.324999][ T72] ip6_route_add+0x1c/0x140 [ 1951.324999][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1951.324999][ T72] inet6_addr_add+0x4f8/0xa40 [ 1951.324999][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.324999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.324999][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.324999][ T72] netlink_unicast+0x449/0x710 [ 1951.324999][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.324999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.324999][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.324999][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.324999][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.324999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.324999][ T72] [ 1951.327038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1951.327038][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.327038][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.327038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.327038][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1951.327038][ T72] ipv6_add_addr+0x411/0x2000 [ 1951.327038][ T72] inet6_addr_add+0x30e/0xa40 [ 1951.327038][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.327038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.327038][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.327038][ T72] netlink_unicast+0x449/0x710 [ 1951.327038][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.327038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.327038][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.327038][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.327038][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.327038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.327038][ T72] [ 1951.329028][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1951.329028][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.329028][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.329028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.329028][ T72] ip6_route_add+0x1c/0x140 [ 1951.329028][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1951.329028][ T72] addrconf_add_dev+0xe2/0x170 [ 1951.329028][ T72] inet6_addr_add+0x12f/0xa40 [ 1951.329028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.329028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.329028][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.329028][ T72] netlink_unicast+0x449/0x710 [ 1951.329028][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.329028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.329028][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.329028][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.329028][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.329028][ T72] [ 1951.330982][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1951.330982][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1951.330982][ T72] ipv6_find_idev+0x102/0x170 [ 1951.330982][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.330982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.330982][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.330982][ T72] netlink_unicast+0x449/0x710 [ 1951.330982][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.330982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.330982][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.330982][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.330982][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.330982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.330982][ T72] [ 1951.332504][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1951.332504][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1951.332504][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1951.332504][ T72] ipv6_find_idev+0x102/0x170 [ 1951.332504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.332504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.332504][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.332504][ T72] netlink_unicast+0x449/0x710 [ 1951.332504][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.332504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.332504][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.332504][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.332504][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.332504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.332504][ T72] [ 1951.334736][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1951.335021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1951.335021][ T72] dst_init+0x84/0x4a0 [ 1951.335021][ T72] dst_alloc+0x97/0x150 [ 1951.335021][ T72] ip6_dst_alloc+0x23/0x90 [ 1951.335021][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.335021][ T72] ip6_pol_route+0x56f/0x840 [ 1951.335021][ T72] fib6_rule_lookup+0x456/0x630 [ 1951.335021][ T72] ip6_route_input+0x59c/0xa50 [ 1951.335021][ T72] ipv6_rcv+0x397/0x810 [ 1951.335021][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1951.335021][ T72] process_backlog+0x101/0x620 [ 1951.335021][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1951.335021][ T72] net_rx_action+0x495/0xbe0 [ 1951.335021][ T72] __do_softirq+0x1b5/0x7f6 [ 1951.335021][ T72] [ 1951.336651][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1951.336651][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.336651][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.336651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.336651][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1951.336651][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1951.336651][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1951.336651][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1951.336651][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1951.336651][ T72] addrconf_dad_begin+0x310/0x670 [ 1951.336651][ T72] addrconf_dad_work+0x10b/0xab0 [ 1951.336651][ T72] process_one_work+0x84d/0x18a0 [ 1951.336651][ T72] worker_thread+0x587/0xd30 [ 1951.336651][ T72] kthread+0x28a/0x350 [ 1951.336651][ T72] ret_from_fork+0x31/0x70 [ 1951.336651][ T72] ret_from_fork_asm+0x1a/0x30 [ 1951.336651][ T72] [ 1951.338554][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1951.338554][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.338554][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.338554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.338554][ T72] ip6_route_add+0x1c/0x140 [ 1951.338554][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1951.338554][ T72] inet6_addr_add+0x4f8/0xa40 [ 1951.338554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.338554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.338554][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.338554][ T72] netlink_unicast+0x449/0x710 [ 1951.338554][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.338554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.338554][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.338554][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.338554][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.338554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.338554][ T72] [ 1951.340534][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1951.340534][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.340534][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.340534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.340534][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1951.340534][ T72] ipv6_add_addr+0x411/0x2000 [ 1951.340534][ T72] inet6_addr_add+0x30e/0xa40 [ 1951.340534][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.340534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.340534][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.340534][ T72] netlink_unicast+0x449/0x710 [ 1951.340534][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.340534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.340534][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.340534][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.340534][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.340534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.340534][ T72] [ 1951.342894][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1951.342894][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.342894][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.342894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.342894][ T72] ip6_route_add+0x1c/0x140 [ 1951.342894][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1951.342894][ T72] addrconf_add_dev+0xe2/0x170 [ 1951.342894][ T72] inet6_addr_add+0x12f/0xa40 [ 1951.342894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.342894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.342894][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.342894][ T72] netlink_unicast+0x449/0x710 [ 1951.342894][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.342894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.342894][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.342894][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.342894][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.342894][ T72] [ 1951.344841][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1951.344841][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1951.344841][ T72] ipv6_find_idev+0x102/0x170 [ 1951.344841][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.344841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.344841][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.344841][ T72] netlink_unicast+0x449/0x710 [ 1951.344841][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.344841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.344841][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.344841][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.344841][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.344841][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.344841][ T72] [ 1951.346382][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1951.346382][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1951.346382][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1951.346382][ T72] ipv6_find_idev+0x102/0x170 [ 1951.346382][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.346382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.346382][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.346382][ T72] netlink_unicast+0x449/0x710 [ 1951.346382][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.346382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.346382][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.346382][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.346382][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.346382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.346382][ T72] [ 1951.348132][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1951.348473][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1951.348473][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1951.348473][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1951.348473][ T72] fib6_nh_init+0xa22/0x1580 [ 1951.348473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.348473][ T72] ip6_route_add+0x1c/0x140 [ 1951.348473][ T72] inet6_rtm_newroute+0x104/0x110 [ 1951.348473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.348473][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.348473][ T72] netlink_unicast+0x449/0x710 [ 1951.348473][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.348473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.348473][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.348473][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.348473][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.348473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.348473][ T72] [ 1951.350519][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1951.350519][ T72] dst_init+0x84/0x4a0 [ 1951.350519][ T72] dst_alloc+0x97/0x150 [ 1951.350519][ T72] ip6_dst_alloc+0x23/0x90 [ 1951.350519][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.350519][ T72] ip6_pol_route+0x56f/0x840 [ 1951.350519][ T72] fib6_rule_lookup+0x456/0x630 [ 1951.350519][ T72] ip6_route_input+0x59c/0xa50 [ 1951.350519][ T72] ipv6_rcv+0x397/0x810 [ 1951.350519][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1951.350519][ T72] process_backlog+0x101/0x620 [ 1951.350519][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1951.350519][ T72] net_rx_action+0x495/0xbe0 [ 1951.350519][ T72] __do_softirq+0x1b5/0x7f6 [ 1951.350519][ T72] [ 1951.352317][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1951.352317][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.352317][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.352317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.352317][ T72] ip6_route_add+0x1c/0x140 [ 1951.352317][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1951.352317][ T72] inet6_addr_add+0x4f8/0xa40 [ 1951.352317][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.352317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.352317][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.352317][ T72] netlink_unicast+0x449/0x710 [ 1951.352317][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.352317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.352317][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.352317][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.352317][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.352317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.352317][ T72] [ 1951.354542][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1951.354542][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.354542][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.354542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.354542][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1951.354542][ T72] ipv6_add_addr+0x411/0x2000 [ 1951.354542][ T72] inet6_addr_add+0x30e/0xa40 [ 1951.354542][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.354542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.354542][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.354542][ T72] netlink_unicast+0x449/0x710 [ 1951.354542][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.354542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.354542][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.354542][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.354542][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.354542][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.354542][ T72] [ 1951.356707][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1951.356707][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.356707][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.356707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.356707][ T72] ip6_route_add+0x1c/0x140 [ 1951.356707][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1951.356707][ T72] addrconf_add_dev+0xe2/0x170 [ 1951.356707][ T72] inet6_addr_add+0x12f/0xa40 [ 1951.356707][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.356707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.356707][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.356707][ T72] netlink_unicast+0x449/0x710 [ 1951.356707][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.356707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.356707][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.356707][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.356707][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.356707][ T72] [ 1951.358953][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1951.358953][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1951.358953][ T72] ipv6_find_idev+0x102/0x170 [ 1951.358953][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.358953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.358953][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.358953][ T72] netlink_unicast+0x449/0x710 [ 1951.358953][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.358953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.358953][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.358953][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.358953][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.358953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.358953][ T72] [ 1951.360661][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1951.360661][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1951.360661][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1951.360661][ T72] ipv6_find_idev+0x102/0x170 [ 1951.360661][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.360661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.360661][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.360661][ T72] netlink_unicast+0x449/0x710 [ 1951.360661][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.360661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.360661][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.360661][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.360661][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.360661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.360661][ T72] [ 1951.362511][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1951.362842][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1951.362842][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.362842][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.362842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.362842][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1951.362842][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1951.362842][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1951.362842][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1951.362842][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1951.362842][ T72] addrconf_dad_begin+0x310/0x670 [ 1951.362842][ T72] addrconf_dad_work+0x10b/0xab0 [ 1951.362842][ T72] process_one_work+0x84d/0x18a0 [ 1951.362842][ T72] worker_thread+0x587/0xd30 [ 1951.362842][ T72] kthread+0x28a/0x350 [ 1951.362842][ T72] ret_from_fork+0x31/0x70 [ 1951.362842][ T72] ret_from_fork_asm+0x1a/0x30 [ 1951.362842][ T72] [ 1951.364911][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1951.364911][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.364911][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.364911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.364911][ T72] ip6_route_add+0x1c/0x140 [ 1951.364911][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1951.364911][ T72] inet6_addr_add+0x4f8/0xa40 [ 1951.364911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.364911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.364911][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.364911][ T72] netlink_unicast+0x449/0x710 [ 1951.364911][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.364911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.364911][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.364911][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.364911][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.364911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.364911][ T72] [ 1951.367139][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1951.367139][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.367139][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.367139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.367139][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1951.367139][ T72] ipv6_add_addr+0x411/0x2000 [ 1951.367139][ T72] inet6_addr_add+0x30e/0xa40 [ 1951.367139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.367139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.367139][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.367139][ T72] netlink_unicast+0x449/0x710 [ 1951.367139][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.367139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.367139][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.367139][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.367139][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.367139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.367139][ T72] [ 1951.369440][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1951.369440][ T72] netdev_get_by_index+0x5e/0x80 [ 1951.369440][ T72] fib6_nh_init+0x3d8/0x1580 [ 1951.369440][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1951.369440][ T72] ip6_route_add+0x1c/0x140 [ 1951.369440][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1951.369440][ T72] addrconf_add_dev+0xe2/0x170 [ 1951.369440][ T72] inet6_addr_add+0x12f/0xa40 [ 1951.369440][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.369440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.369440][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.369440][ T72] netlink_unicast+0x449/0x710 [ 1951.369440][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.369440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.369440][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.369440][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.369440][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.369440][ T72] [ 1951.371626][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1951.371626][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1951.371626][ T72] ipv6_find_idev+0x102/0x170 [ 1951.371626][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.371626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.371626][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.371626][ T72] netlink_unicast+0x449/0x710 [ 1951.371626][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.371626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.371626][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.371626][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.371626][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.371626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.371626][ T72] [ 1951.373332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1951.373332][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1951.373332][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1951.373332][ T72] ipv6_find_idev+0x102/0x170 [ 1951.373332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.373332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.373332][ T72] netlink_rcv_skb+0x130/0x360 [ 1951.373332][ T72] netlink_unicast+0x449/0x710 [ 1951.373332][ T72] netlink_sendmsg+0x723/0xbe0 [ 1951.373332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1951.373332][ T72] ___sys_sendmsg+0xee/0x170 [ 1951.373332][ T72] __sys_sendmsg+0xcd/0x170 [ 1951.373332][ T72] do_syscall_64+0xc6/0x1e0 [ 1951.373332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.373332][ T72] [ 1961.384995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1961.385507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1961.385507][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1961.385507][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1961.385507][ T72] fib6_nh_init+0xa22/0x1580 [ 1961.385507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.385507][ T72] ip6_route_add+0x1c/0x140 [ 1961.385507][ T72] inet6_rtm_newroute+0x104/0x110 [ 1961.385507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.385507][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.385507][ T72] netlink_unicast+0x449/0x710 [ 1961.385507][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.385507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.385507][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.385507][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.385507][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.385507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.385507][ T72] [ 1961.387452][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1961.387452][ T72] dst_init+0x84/0x4a0 [ 1961.387452][ T72] dst_alloc+0x97/0x150 [ 1961.387452][ T72] ip6_dst_alloc+0x23/0x90 [ 1961.387452][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.387452][ T72] ip6_pol_route+0x56f/0x840 [ 1961.387452][ T72] fib6_rule_lookup+0x456/0x630 [ 1961.387452][ T72] ip6_route_input+0x59c/0xa50 [ 1961.387452][ T72] ipv6_rcv+0x397/0x810 [ 1961.387452][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1961.387452][ T72] process_backlog+0x101/0x620 [ 1961.387452][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1961.387452][ T72] net_rx_action+0x495/0xbe0 [ 1961.387452][ T72] __do_softirq+0x1b5/0x7f6 [ 1961.387452][ T72] [ 1961.389251][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1961.389251][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.389251][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.389251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.389251][ T72] ip6_route_add+0x1c/0x140 [ 1961.389251][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1961.389251][ T72] inet6_addr_add+0x4f8/0xa40 [ 1961.389251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.389251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.389251][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.389251][ T72] netlink_unicast+0x449/0x710 [ 1961.389251][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.389251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.389251][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.389251][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.389251][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.389251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.389251][ T72] [ 1961.391289][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1961.391289][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.391289][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.391289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.391289][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1961.391289][ T72] ipv6_add_addr+0x411/0x2000 [ 1961.391289][ T72] inet6_addr_add+0x30e/0xa40 [ 1961.391289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.391289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.391289][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.391289][ T72] netlink_unicast+0x449/0x710 [ 1961.391289][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.391289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.391289][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.391289][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.391289][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.391289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.391289][ T72] [ 1961.393313][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1961.393313][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.393313][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.393313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.393313][ T72] ip6_route_add+0x1c/0x140 [ 1961.393313][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1961.393313][ T72] addrconf_add_dev+0xe2/0x170 [ 1961.393313][ T72] inet6_addr_add+0x12f/0xa40 [ 1961.393313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.393313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.393313][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.393313][ T72] netlink_unicast+0x449/0x710 [ 1961.393313][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.393313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.393313][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.393313][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.393313][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.393313][ T72] [ 1961.395267][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1961.395267][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1961.395267][ T72] ipv6_find_idev+0x102/0x170 [ 1961.395267][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.395267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.395267][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.395267][ T72] netlink_unicast+0x449/0x710 [ 1961.395267][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.395267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.395267][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.395267][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.395267][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.395267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.395267][ T72] [ 1961.396798][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1961.396798][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1961.396798][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1961.396798][ T72] ipv6_find_idev+0x102/0x170 [ 1961.396798][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.396798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.396798][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.396798][ T72] netlink_unicast+0x449/0x710 [ 1961.396798][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.396798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.396798][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.396798][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.396798][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.396798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.396798][ T72] [ 1961.398485][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1961.398755][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1961.398755][ T72] dst_init+0x84/0x4a0 [ 1961.398755][ T72] dst_alloc+0x97/0x150 [ 1961.398755][ T72] ip6_dst_alloc+0x23/0x90 [ 1961.398755][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.398755][ T72] ip6_pol_route+0x56f/0x840 [ 1961.398755][ T72] fib6_rule_lookup+0x456/0x630 [ 1961.398755][ T72] ip6_route_input+0x59c/0xa50 [ 1961.398755][ T72] ipv6_rcv+0x397/0x810 [ 1961.398755][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1961.398755][ T72] process_backlog+0x101/0x620 [ 1961.398755][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1961.398755][ T72] net_rx_action+0x495/0xbe0 [ 1961.398755][ T72] __do_softirq+0x1b5/0x7f6 [ 1961.398755][ T72] [ 1961.400387][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1961.400387][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.400387][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.400387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.400387][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1961.400387][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1961.400387][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1961.400387][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1961.400387][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1961.400387][ T72] addrconf_dad_begin+0x310/0x670 [ 1961.400387][ T72] addrconf_dad_work+0x10b/0xab0 [ 1961.400387][ T72] process_one_work+0x84d/0x18a0 [ 1961.400387][ T72] worker_thread+0x587/0xd30 [ 1961.400387][ T72] kthread+0x28a/0x350 [ 1961.400387][ T72] ret_from_fork+0x31/0x70 [ 1961.400387][ T72] ret_from_fork_asm+0x1a/0x30 [ 1961.400387][ T72] [ 1961.402280][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1961.402280][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.402280][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.402280][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.402280][ T72] ip6_route_add+0x1c/0x140 [ 1961.402280][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1961.402280][ T72] inet6_addr_add+0x4f8/0xa40 [ 1961.402280][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.402280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.402280][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.402280][ T72] netlink_unicast+0x449/0x710 [ 1961.402280][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.402280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.402280][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.402280][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.402280][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.402280][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.402280][ T72] [ 1961.404271][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1961.404271][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.404271][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.404271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.404271][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1961.404271][ T72] ipv6_add_addr+0x411/0x2000 [ 1961.404271][ T72] inet6_addr_add+0x30e/0xa40 [ 1961.404271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.404271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.404271][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.404271][ T72] netlink_unicast+0x449/0x710 [ 1961.404271][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.404271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.404271][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.404271][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.404271][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.404271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.404271][ T72] [ 1961.406249][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1961.406249][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.406249][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.406249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.406249][ T72] ip6_route_add+0x1c/0x140 [ 1961.406249][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1961.406249][ T72] addrconf_add_dev+0xe2/0x170 [ 1961.406249][ T72] inet6_addr_add+0x12f/0xa40 [ 1961.406249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.406249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.406249][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.406249][ T72] netlink_unicast+0x449/0x710 [ 1961.406249][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.406249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.406249][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.406249][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.406249][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.406249][ T72] [ 1961.408212][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1961.408212][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1961.408212][ T72] ipv6_find_idev+0x102/0x170 [ 1961.408212][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.408212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.408212][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.408212][ T72] netlink_unicast+0x449/0x710 [ 1961.408212][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.408212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.408212][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.408212][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.408212][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.408212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.408212][ T72] [ 1961.409742][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1961.409742][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1961.409742][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1961.409742][ T72] ipv6_find_idev+0x102/0x170 [ 1961.409742][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.409742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.409742][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.409742][ T72] netlink_unicast+0x449/0x710 [ 1961.409742][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.409742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.409742][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.409742][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.409742][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.409742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.409742][ T72] [ 1961.411472][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1961.411805][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1961.411805][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1961.411805][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1961.411805][ T72] fib6_nh_init+0xa22/0x1580 [ 1961.411805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.411805][ T72] ip6_route_add+0x1c/0x140 [ 1961.411805][ T72] inet6_rtm_newroute+0x104/0x110 [ 1961.411805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.411805][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.411805][ T72] netlink_unicast+0x449/0x710 [ 1961.411805][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.411805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.411805][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.411805][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.411805][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.411805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.411805][ T72] [ 1961.413886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1961.413886][ T72] dst_init+0x84/0x4a0 [ 1961.413886][ T72] dst_alloc+0x97/0x150 [ 1961.413886][ T72] ip6_dst_alloc+0x23/0x90 [ 1961.413886][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.413886][ T72] ip6_pol_route+0x56f/0x840 [ 1961.413886][ T72] fib6_rule_lookup+0x456/0x630 [ 1961.413886][ T72] ip6_route_input+0x59c/0xa50 [ 1961.413886][ T72] ipv6_rcv+0x397/0x810 [ 1961.413886][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1961.413886][ T72] process_backlog+0x101/0x620 [ 1961.413886][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1961.413886][ T72] net_rx_action+0x495/0xbe0 [ 1961.413886][ T72] __do_softirq+0x1b5/0x7f6 [ 1961.413886][ T72] [ 1961.415725][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1961.415725][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.415725][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.415725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.415725][ T72] ip6_route_add+0x1c/0x140 [ 1961.415725][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1961.415725][ T72] inet6_addr_add+0x4f8/0xa40 [ 1961.415725][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.415725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.415725][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.415725][ T72] netlink_unicast+0x449/0x710 [ 1961.415725][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.415725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.415725][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.415725][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.415725][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.415725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.415725][ T72] [ 1961.417957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1961.417957][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.417957][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.417957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.417957][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1961.417957][ T72] ipv6_add_addr+0x411/0x2000 [ 1961.417957][ T72] inet6_addr_add+0x30e/0xa40 [ 1961.417957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.417957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.417957][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.417957][ T72] netlink_unicast+0x449/0x710 [ 1961.417957][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.417957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.417957][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.417957][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.417957][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.417957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.417957][ T72] [ 1961.420186][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1961.420186][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.420186][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.420186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.420186][ T72] ip6_route_add+0x1c/0x140 [ 1961.420186][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1961.420186][ T72] addrconf_add_dev+0xe2/0x170 [ 1961.420186][ T72] inet6_addr_add+0x12f/0xa40 [ 1961.420186][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.420186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.420186][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.420186][ T72] netlink_unicast+0x449/0x710 [ 1961.420186][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.420186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.420186][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.420186][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.420186][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.420186][ T72] [ 1961.422432][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1961.422432][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1961.422432][ T72] ipv6_find_idev+0x102/0x170 [ 1961.422432][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.422432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.422432][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.422432][ T72] netlink_unicast+0x449/0x710 [ 1961.422432][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.422432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.422432][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.422432][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.422432][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.422432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.422432][ T72] [ 1961.424136][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1961.424136][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1961.424136][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1961.424136][ T72] ipv6_find_idev+0x102/0x170 [ 1961.424136][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.424136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.424136][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.424136][ T72] netlink_unicast+0x449/0x710 [ 1961.424136][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.424136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.424136][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.424136][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.424136][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.424136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.424136][ T72] [ 1961.425987][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1961.426322][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1961.426322][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.426322][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.426322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.426322][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1961.426322][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1961.426322][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1961.426322][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1961.426322][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1961.426322][ T72] addrconf_dad_begin+0x310/0x670 [ 1961.426322][ T72] addrconf_dad_work+0x10b/0xab0 [ 1961.426322][ T72] process_one_work+0x84d/0x18a0 [ 1961.426322][ T72] worker_thread+0x587/0xd30 [ 1961.426322][ T72] kthread+0x28a/0x350 [ 1961.426322][ T72] ret_from_fork+0x31/0x70 [ 1961.426322][ T72] ret_from_fork_asm+0x1a/0x30 [ 1961.426322][ T72] [ 1961.428395][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1961.428395][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.428395][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.428395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.428395][ T72] ip6_route_add+0x1c/0x140 [ 1961.428395][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1961.428395][ T72] inet6_addr_add+0x4f8/0xa40 [ 1961.428395][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.428395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.428395][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.428395][ T72] netlink_unicast+0x449/0x710 [ 1961.428395][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.428395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.428395][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.428395][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.428395][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.428395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.428395][ T72] [ 1961.430632][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1961.430632][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.430632][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.430632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.430632][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1961.430632][ T72] ipv6_add_addr+0x411/0x2000 [ 1961.430632][ T72] inet6_addr_add+0x30e/0xa40 [ 1961.430632][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.430632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.430632][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.430632][ T72] netlink_unicast+0x449/0x710 [ 1961.430632][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.430632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.430632][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.430632][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.430632][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.430632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.430632][ T72] [ 1961.432921][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1961.432921][ T72] netdev_get_by_index+0x5e/0x80 [ 1961.432921][ T72] fib6_nh_init+0x3d8/0x1580 [ 1961.432921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1961.432921][ T72] ip6_route_add+0x1c/0x140 [ 1961.432921][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1961.432921][ T72] addrconf_add_dev+0xe2/0x170 [ 1961.432921][ T72] inet6_addr_add+0x12f/0xa40 [ 1961.432921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.432921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.432921][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.432921][ T72] netlink_unicast+0x449/0x710 [ 1961.432921][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.432921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.432921][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.432921][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.432921][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.432921][ T72] [ 1961.435099][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1961.435099][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1961.435099][ T72] ipv6_find_idev+0x102/0x170 [ 1961.435099][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.435099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.435099][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.435099][ T72] netlink_unicast+0x449/0x710 [ 1961.435099][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.435099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.435099][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.435099][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.435099][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.435099][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.435099][ T72] [ 1961.436804][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1961.436804][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1961.436804][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1961.436804][ T72] ipv6_find_idev+0x102/0x170 [ 1961.436804][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.436804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.436804][ T72] netlink_rcv_skb+0x130/0x360 [ 1961.436804][ T72] netlink_unicast+0x449/0x710 [ 1961.436804][ T72] netlink_sendmsg+0x723/0xbe0 [ 1961.436804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1961.436804][ T72] ___sys_sendmsg+0xee/0x170 [ 1961.436804][ T72] __sys_sendmsg+0xcd/0x170 [ 1961.436804][ T72] do_syscall_64+0xc6/0x1e0 [ 1961.436804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.436804][ T72] [ 1971.680967][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1971.682045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1971.682045][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1971.682045][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1971.682045][ T72] fib6_nh_init+0xa22/0x1580 [ 1971.682045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.682045][ T72] ip6_route_add+0x1c/0x140 [ 1971.682045][ T72] inet6_rtm_newroute+0x104/0x110 [ 1971.682045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.682045][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.682045][ T72] netlink_unicast+0x449/0x710 [ 1971.682045][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.682045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.682045][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.682045][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.682045][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.682045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.682045][ T72] [ 1971.684055][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1971.684055][ T72] dst_init+0x84/0x4a0 [ 1971.684055][ T72] dst_alloc+0x97/0x150 [ 1971.684055][ T72] ip6_dst_alloc+0x23/0x90 [ 1971.684055][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.684055][ T72] ip6_pol_route+0x56f/0x840 [ 1971.684055][ T72] fib6_rule_lookup+0x456/0x630 [ 1971.684055][ T72] ip6_route_input+0x59c/0xa50 [ 1971.684055][ T72] ipv6_rcv+0x397/0x810 [ 1971.684055][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1971.684055][ T72] process_backlog+0x101/0x620 [ 1971.684055][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1971.684055][ T72] net_rx_action+0x495/0xbe0 [ 1971.684055][ T72] __do_softirq+0x1b5/0x7f6 [ 1971.684055][ T72] [ 1971.685690][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1971.685690][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.685690][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.685690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.685690][ T72] ip6_route_add+0x1c/0x140 [ 1971.685690][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1971.685690][ T72] inet6_addr_add+0x4f8/0xa40 [ 1971.685690][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.685690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.685690][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.685690][ T72] netlink_unicast+0x449/0x710 [ 1971.685690][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.685690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.685690][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.685690][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.685690][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.685690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.685690][ T72] [ 1971.687679][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1971.687679][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.687679][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.687679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.687679][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1971.687679][ T72] ipv6_add_addr+0x411/0x2000 [ 1971.687679][ T72] inet6_addr_add+0x30e/0xa40 [ 1971.687679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.687679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.687679][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.687679][ T72] netlink_unicast+0x449/0x710 [ 1971.687679][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.687679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.687679][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.687679][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.687679][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.687679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.687679][ T72] [ 1971.689674][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1971.689674][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.689674][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.689674][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.689674][ T72] ip6_route_add+0x1c/0x140 [ 1971.689674][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1971.689674][ T72] addrconf_add_dev+0xe2/0x170 [ 1971.689674][ T72] inet6_addr_add+0x12f/0xa40 [ 1971.689674][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.689674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.689674][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.689674][ T72] netlink_unicast+0x449/0x710 [ 1971.689674][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.689674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.689674][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.689674][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.689674][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.689674][ T72] [ 1971.691627][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1971.691627][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1971.691627][ T72] ipv6_find_idev+0x102/0x170 [ 1971.691627][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.691627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.691627][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.691627][ T72] netlink_unicast+0x449/0x710 [ 1971.691627][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.691627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.691627][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.691627][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.691627][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.691627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.691627][ T72] [ 1971.693164][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1971.693164][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1971.693164][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1971.693164][ T72] ipv6_find_idev+0x102/0x170 [ 1971.693164][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.693164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.693164][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.693164][ T72] netlink_unicast+0x449/0x710 [ 1971.693164][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.693164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.693164][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.693164][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.693164][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.693164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.693164][ T72] [ 1971.694837][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1971.695108][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1971.695108][ T72] dst_init+0x84/0x4a0 [ 1971.695108][ T72] dst_alloc+0x97/0x150 [ 1971.695108][ T72] ip6_dst_alloc+0x23/0x90 [ 1971.695108][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.695108][ T72] ip6_pol_route+0x56f/0x840 [ 1971.695108][ T72] fib6_rule_lookup+0x456/0x630 [ 1971.695108][ T72] ip6_route_input+0x59c/0xa50 [ 1971.695108][ T72] ipv6_rcv+0x397/0x810 [ 1971.695108][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1971.695108][ T72] process_backlog+0x101/0x620 [ 1971.695108][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1971.695108][ T72] net_rx_action+0x495/0xbe0 [ 1971.695108][ T72] __do_softirq+0x1b5/0x7f6 [ 1971.695108][ T72] [ 1971.696750][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1971.696750][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.696750][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.696750][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.696750][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1971.696750][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1971.696750][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1971.696750][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1971.696750][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1971.696750][ T72] addrconf_dad_begin+0x310/0x670 [ 1971.696750][ T72] addrconf_dad_work+0x10b/0xab0 [ 1971.696750][ T72] process_one_work+0x84d/0x18a0 [ 1971.696750][ T72] worker_thread+0x587/0xd30 [ 1971.696750][ T72] kthread+0x28a/0x350 [ 1971.696750][ T72] ret_from_fork+0x31/0x70 [ 1971.696750][ T72] ret_from_fork_asm+0x1a/0x30 [ 1971.696750][ T72] [ 1971.698658][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1971.698658][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.698658][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.698658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.698658][ T72] ip6_route_add+0x1c/0x140 [ 1971.698658][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1971.698658][ T72] inet6_addr_add+0x4f8/0xa40 [ 1971.698658][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.698658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.698658][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.698658][ T72] netlink_unicast+0x449/0x710 [ 1971.698658][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.698658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.698658][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.698658][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.698658][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.698658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.698658][ T72] [ 1971.700640][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1971.700640][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.700640][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.700640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.700640][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1971.700640][ T72] ipv6_add_addr+0x411/0x2000 [ 1971.700640][ T72] inet6_addr_add+0x30e/0xa40 [ 1971.700640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.700640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.700640][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.700640][ T72] netlink_unicast+0x449/0x710 [ 1971.700640][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.700640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.700640][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.700640][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.700640][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.700640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.700640][ T72] [ 1971.702614][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1971.702614][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.702614][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.702614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.702614][ T72] ip6_route_add+0x1c/0x140 [ 1971.702614][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1971.702614][ T72] addrconf_add_dev+0xe2/0x170 [ 1971.702614][ T72] inet6_addr_add+0x12f/0xa40 [ 1971.702614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.702614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.702614][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.702614][ T72] netlink_unicast+0x449/0x710 [ 1971.702614][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.702614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.702614][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.702614][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.702614][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.702614][ T72] [ 1971.704562][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1971.704562][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1971.704562][ T72] ipv6_find_idev+0x102/0x170 [ 1971.704562][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.704562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.704562][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.704562][ T72] netlink_unicast+0x449/0x710 [ 1971.704562][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.704562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.704562][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.704562][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.704562][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.704562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.704562][ T72] [ 1971.706087][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1971.706087][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1971.706087][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1971.706087][ T72] ipv6_find_idev+0x102/0x170 [ 1971.706087][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.706087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.706087][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.706087][ T72] netlink_unicast+0x449/0x710 [ 1971.706087][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.706087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.706087][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.706087][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.706087][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.706087][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.706087][ T72] [ 1971.707824][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1971.708153][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1971.708153][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1971.708153][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1971.708153][ T72] fib6_nh_init+0xa22/0x1580 [ 1971.708153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.708153][ T72] ip6_route_add+0x1c/0x140 [ 1971.708153][ T72] inet6_rtm_newroute+0x104/0x110 [ 1971.708153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.708153][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.708153][ T72] netlink_unicast+0x449/0x710 [ 1971.708153][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.708153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.708153][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.708153][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.708153][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.708153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.708153][ T72] [ 1971.710200][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1971.710200][ T72] dst_init+0x84/0x4a0 [ 1971.710200][ T72] dst_alloc+0x97/0x150 [ 1971.710200][ T72] ip6_dst_alloc+0x23/0x90 [ 1971.710200][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.710200][ T72] ip6_pol_route+0x56f/0x840 [ 1971.710200][ T72] fib6_rule_lookup+0x456/0x630 [ 1971.710200][ T72] ip6_route_input+0x59c/0xa50 [ 1971.710200][ T72] ipv6_rcv+0x397/0x810 [ 1971.710200][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1971.710200][ T72] process_backlog+0x101/0x620 [ 1971.710200][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1971.710200][ T72] net_rx_action+0x495/0xbe0 [ 1971.710200][ T72] __do_softirq+0x1b5/0x7f6 [ 1971.710200][ T72] [ 1971.712000][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1971.712000][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.712000][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.712000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.712000][ T72] ip6_route_add+0x1c/0x140 [ 1971.712000][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1971.712000][ T72] inet6_addr_add+0x4f8/0xa40 [ 1971.712000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.712000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.712000][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.712000][ T72] netlink_unicast+0x449/0x710 [ 1971.712000][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.712000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.712000][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.712000][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.712000][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.712000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.712000][ T72] [ 1971.714756][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1971.714756][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.714756][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.714756][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.714756][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1971.714756][ T72] ipv6_add_addr+0x411/0x2000 [ 1971.714756][ T72] inet6_addr_add+0x30e/0xa40 [ 1971.714756][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.714756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.714756][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.714756][ T72] netlink_unicast+0x449/0x710 [ 1971.714756][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.714756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.714756][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.714756][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.714756][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.714756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.714756][ T72] [ 1971.716971][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1971.716971][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.716971][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.716971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.716971][ T72] ip6_route_add+0x1c/0x140 [ 1971.716971][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1971.716971][ T72] addrconf_add_dev+0xe2/0x170 [ 1971.716971][ T72] inet6_addr_add+0x12f/0xa40 [ 1971.716971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.716971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.716971][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.716971][ T72] netlink_unicast+0x449/0x710 [ 1971.716971][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.716971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.716971][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.716971][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.716971][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.716971][ T72] [ 1971.719236][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1971.719236][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1971.719236][ T72] ipv6_find_idev+0x102/0x170 [ 1971.719236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.719236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.719236][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.719236][ T72] netlink_unicast+0x449/0x710 [ 1971.719236][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.719236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.719236][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.719236][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.719236][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.719236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.719236][ T72] [ 1971.720940][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1971.720940][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1971.720940][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1971.720940][ T72] ipv6_find_idev+0x102/0x170 [ 1971.720940][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.720940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.720940][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.720940][ T72] netlink_unicast+0x449/0x710 [ 1971.720940][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.720940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.720940][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.720940][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.720940][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.720940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.720940][ T72] [ 1971.722835][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1971.723109][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1971.723109][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.723109][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.723109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.723109][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1971.723109][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1971.723109][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1971.723109][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1971.723109][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1971.723109][ T72] addrconf_dad_begin+0x310/0x670 [ 1971.723109][ T72] addrconf_dad_work+0x10b/0xab0 [ 1971.723109][ T72] process_one_work+0x84d/0x18a0 [ 1971.723109][ T72] worker_thread+0x587/0xd30 [ 1971.723109][ T72] kthread+0x28a/0x350 [ 1971.723109][ T72] ret_from_fork+0x31/0x70 [ 1971.723109][ T72] ret_from_fork_asm+0x1a/0x30 [ 1971.723109][ T72] [ 1971.725258][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1971.725258][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.725258][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.725258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.725258][ T72] ip6_route_add+0x1c/0x140 [ 1971.725258][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1971.725258][ T72] inet6_addr_add+0x4f8/0xa40 [ 1971.725258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.725258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.725258][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.725258][ T72] netlink_unicast+0x449/0x710 [ 1971.725258][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.725258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.725258][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.725258][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.725258][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.725258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.725258][ T72] [ 1971.727473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1971.727473][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.727473][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.727473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.727473][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1971.727473][ T72] ipv6_add_addr+0x411/0x2000 [ 1971.727473][ T72] inet6_addr_add+0x30e/0xa40 [ 1971.727473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.727473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.727473][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.727473][ T72] netlink_unicast+0x449/0x710 [ 1971.727473][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.727473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.727473][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.727473][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.727473][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.727473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.727473][ T72] [ 1971.729722][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1971.729722][ T72] netdev_get_by_index+0x5e/0x80 [ 1971.729722][ T72] fib6_nh_init+0x3d8/0x1580 [ 1971.729722][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1971.729722][ T72] ip6_route_add+0x1c/0x140 [ 1971.729722][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1971.729722][ T72] addrconf_add_dev+0xe2/0x170 [ 1971.729722][ T72] inet6_addr_add+0x12f/0xa40 [ 1971.729722][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.729722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.729722][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.729722][ T72] netlink_unicast+0x449/0x710 [ 1971.729722][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.729722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.729722][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.729722][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.729722][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.729722][ T72] [ 1971.731909][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1971.731909][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1971.731909][ T72] ipv6_find_idev+0x102/0x170 [ 1971.731909][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.731909][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.731909][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.731909][ T72] netlink_unicast+0x449/0x710 [ 1971.731909][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.731909][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.731909][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.731909][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.731909][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.731909][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.731909][ T72] [ 1971.733661][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1971.733661][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1971.733661][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1971.733661][ T72] ipv6_find_idev+0x102/0x170 [ 1971.733661][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.733661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.733661][ T72] netlink_rcv_skb+0x130/0x360 [ 1971.733661][ T72] netlink_unicast+0x449/0x710 [ 1971.733661][ T72] netlink_sendmsg+0x723/0xbe0 [ 1971.733661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1971.733661][ T72] ___sys_sendmsg+0xee/0x170 [ 1971.733661][ T72] __sys_sendmsg+0xcd/0x170 [ 1971.733661][ T72] do_syscall_64+0xc6/0x1e0 [ 1971.733661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.733661][ T72] [ 1981.976994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1981.977538][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1981.977538][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1981.977538][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1981.977538][ T72] fib6_nh_init+0xa22/0x1580 [ 1981.977538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1981.977538][ T72] ip6_route_add+0x1c/0x140 [ 1981.977538][ T72] inet6_rtm_newroute+0x104/0x110 [ 1981.977538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.977538][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.977538][ T72] netlink_unicast+0x449/0x710 [ 1981.977538][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.977538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.977538][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.977538][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.977538][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.977538][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.977538][ T72] [ 1981.979854][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1981.979854][ T72] dst_init+0x84/0x4a0 [ 1981.979854][ T72] dst_alloc+0x97/0x150 [ 1981.979854][ T72] ip6_dst_alloc+0x23/0x90 [ 1981.979854][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1981.979854][ T72] ip6_pol_route+0x56f/0x840 [ 1981.979854][ T72] fib6_rule_lookup+0x456/0x630 [ 1981.979854][ T72] ip6_route_input+0x59c/0xa50 [ 1981.979854][ T72] ipv6_rcv+0x397/0x810 [ 1981.979854][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1981.979854][ T72] process_backlog+0x101/0x620 [ 1981.979854][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1981.979854][ T72] net_rx_action+0x495/0xbe0 [ 1981.979854][ T72] __do_softirq+0x1b5/0x7f6 [ 1981.979854][ T72] [ 1981.981500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1981.981500][ T72] netdev_get_by_index+0x5e/0x80 [ 1981.981500][ T72] fib6_nh_init+0x3d8/0x1580 [ 1981.981500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1981.981500][ T72] ip6_route_add+0x1c/0x140 [ 1981.981500][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1981.981500][ T72] inet6_addr_add+0x4f8/0xa40 [ 1981.981500][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.981500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.981500][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.981500][ T72] netlink_unicast+0x449/0x710 [ 1981.981500][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.981500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.981500][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.981500][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.981500][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.981500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.981500][ T72] [ 1981.983491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1981.983491][ T72] netdev_get_by_index+0x5e/0x80 [ 1981.983491][ T72] fib6_nh_init+0x3d8/0x1580 [ 1981.983491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1981.983491][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1981.983491][ T72] ipv6_add_addr+0x411/0x2000 [ 1981.983491][ T72] inet6_addr_add+0x30e/0xa40 [ 1981.983491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.983491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.983491][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.983491][ T72] netlink_unicast+0x449/0x710 [ 1981.983491][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.983491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.983491][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.983491][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.983491][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.983491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.983491][ T72] [ 1981.985483][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1981.985483][ T72] netdev_get_by_index+0x5e/0x80 [ 1981.985483][ T72] fib6_nh_init+0x3d8/0x1580 [ 1981.985483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1981.985483][ T72] ip6_route_add+0x1c/0x140 [ 1981.985483][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1981.985483][ T72] addrconf_add_dev+0xe2/0x170 [ 1981.985483][ T72] inet6_addr_add+0x12f/0xa40 [ 1981.985483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.985483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.985483][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.985483][ T72] netlink_unicast+0x449/0x710 [ 1981.985483][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.985483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.985483][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.985483][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.985483][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.985483][ T72] [ 1981.987431][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1981.987431][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1981.987431][ T72] ipv6_find_idev+0x102/0x170 [ 1981.987431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.987431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.987431][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.987431][ T72] netlink_unicast+0x449/0x710 [ 1981.987431][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.987431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.987431][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.987431][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.987431][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.987431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.987431][ T72] [ 1981.988965][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1981.988965][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1981.988965][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1981.988965][ T72] ipv6_find_idev+0x102/0x170 [ 1981.988965][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.988965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.988965][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.988965][ T72] netlink_unicast+0x449/0x710 [ 1981.988965][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.988965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.988965][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.988965][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.988965][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.988965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.988965][ T72] [ 1981.990663][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1981.990945][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1981.990945][ T72] dst_init+0x84/0x4a0 [ 1981.990945][ T72] dst_alloc+0x97/0x150 [ 1981.990945][ T72] ip6_dst_alloc+0x23/0x90 [ 1981.990945][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1981.990945][ T72] ip6_pol_route+0x56f/0x840 [ 1981.990945][ T72] fib6_rule_lookup+0x456/0x630 [ 1981.990945][ T72] ip6_route_input+0x59c/0xa50 [ 1981.990945][ T72] ipv6_rcv+0x397/0x810 [ 1981.990945][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1981.990945][ T72] process_backlog+0x101/0x620 [ 1981.990945][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1981.990945][ T72] net_rx_action+0x495/0xbe0 [ 1981.990945][ T72] __do_softirq+0x1b5/0x7f6 [ 1981.990945][ T72] [ 1981.992574][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1981.992574][ T72] netdev_get_by_index+0x5e/0x80 [ 1981.992574][ T72] fib6_nh_init+0x3d8/0x1580 [ 1981.992574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1981.992574][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1981.992574][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1981.992574][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1981.992574][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1981.992574][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1981.992574][ T72] addrconf_dad_begin+0x310/0x670 [ 1981.992574][ T72] addrconf_dad_work+0x10b/0xab0 [ 1981.992574][ T72] process_one_work+0x84d/0x18a0 [ 1981.992574][ T72] worker_thread+0x587/0xd30 [ 1981.992574][ T72] kthread+0x28a/0x350 [ 1981.992574][ T72] ret_from_fork+0x31/0x70 [ 1981.992574][ T72] ret_from_fork_asm+0x1a/0x30 [ 1981.992574][ T72] [ 1981.994482][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1981.994482][ T72] netdev_get_by_index+0x5e/0x80 [ 1981.994482][ T72] fib6_nh_init+0x3d8/0x1580 [ 1981.994482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1981.994482][ T72] ip6_route_add+0x1c/0x140 [ 1981.994482][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1981.994482][ T72] inet6_addr_add+0x4f8/0xa40 [ 1981.994482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.994482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.994482][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.994482][ T72] netlink_unicast+0x449/0x710 [ 1981.994482][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.994482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.994482][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.994482][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.994482][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.994482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.994482][ T72] [ 1981.996454][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1981.996454][ T72] netdev_get_by_index+0x5e/0x80 [ 1981.996454][ T72] fib6_nh_init+0x3d8/0x1580 [ 1981.996454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1981.996454][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1981.996454][ T72] ipv6_add_addr+0x411/0x2000 [ 1981.996454][ T72] inet6_addr_add+0x30e/0xa40 [ 1981.996454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.996454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.996454][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.996454][ T72] netlink_unicast+0x449/0x710 [ 1981.996454][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.996454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.996454][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.996454][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.996454][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.996454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.996454][ T72] [ 1981.998433][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1981.998433][ T72] netdev_get_by_index+0x5e/0x80 [ 1981.998433][ T72] fib6_nh_init+0x3d8/0x1580 [ 1981.998433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1981.998433][ T72] ip6_route_add+0x1c/0x140 [ 1981.998433][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1981.998433][ T72] addrconf_add_dev+0xe2/0x170 [ 1981.998433][ T72] inet6_addr_add+0x12f/0xa40 [ 1981.998433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.998433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.998433][ T72] netlink_rcv_skb+0x130/0x360 [ 1981.998433][ T72] netlink_unicast+0x449/0x710 [ 1981.998433][ T72] netlink_sendmsg+0x723/0xbe0 [ 1981.998433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1981.998433][ T72] ___sys_sendmsg+0xee/0x170 [ 1981.998433][ T72] __sys_sendmsg+0xcd/0x170 [ 1981.998433][ T72] do_syscall_64+0xc6/0x1e0 [ 1981.998433][ T72] [ 1982.000378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1982.000378][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1982.000378][ T72] ipv6_find_idev+0x102/0x170 [ 1982.000378][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.000378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.000378][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.000378][ T72] netlink_unicast+0x449/0x710 [ 1982.000378][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.000378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.000378][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.000378][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.000378][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.000378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.000378][ T72] [ 1982.001902][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1982.001902][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1982.001902][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1982.001902][ T72] ipv6_find_idev+0x102/0x170 [ 1982.001902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.001902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.001902][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.001902][ T72] netlink_unicast+0x449/0x710 [ 1982.001902][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.001902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.001902][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.001902][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.001902][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.001902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.001902][ T72] [ 1982.003647][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1982.003986][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1982.003986][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1982.003986][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1982.003986][ T72] fib6_nh_init+0xa22/0x1580 [ 1982.003986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1982.003986][ T72] ip6_route_add+0x1c/0x140 [ 1982.003986][ T72] inet6_rtm_newroute+0x104/0x110 [ 1982.003986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.003986][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.003986][ T72] netlink_unicast+0x449/0x710 [ 1982.003986][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.003986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.003986][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.003986][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.003986][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.003986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.003986][ T72] [ 1982.006074][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1982.006074][ T72] dst_init+0x84/0x4a0 [ 1982.006074][ T72] dst_alloc+0x97/0x150 [ 1982.006074][ T72] ip6_dst_alloc+0x23/0x90 [ 1982.006074][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1982.006074][ T72] ip6_pol_route+0x56f/0x840 [ 1982.006074][ T72] fib6_rule_lookup+0x456/0x630 [ 1982.006074][ T72] ip6_route_input+0x59c/0xa50 [ 1982.006074][ T72] ipv6_rcv+0x397/0x810 [ 1982.006074][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1982.006074][ T72] process_backlog+0x101/0x620 [ 1982.006074][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1982.006074][ T72] net_rx_action+0x495/0xbe0 [ 1982.006074][ T72] __do_softirq+0x1b5/0x7f6 [ 1982.006074][ T72] [ 1982.007875][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1982.007875][ T72] netdev_get_by_index+0x5e/0x80 [ 1982.007875][ T72] fib6_nh_init+0x3d8/0x1580 [ 1982.007875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1982.007875][ T72] ip6_route_add+0x1c/0x140 [ 1982.007875][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1982.007875][ T72] inet6_addr_add+0x4f8/0xa40 [ 1982.007875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.007875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.007875][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.007875][ T72] netlink_unicast+0x449/0x710 [ 1982.007875][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.007875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.007875][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.007875][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.007875][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.007875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.007875][ T72] [ 1982.010165][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1982.010165][ T72] netdev_get_by_index+0x5e/0x80 [ 1982.010165][ T72] fib6_nh_init+0x3d8/0x1580 [ 1982.010165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1982.010165][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1982.010165][ T72] ipv6_add_addr+0x411/0x2000 [ 1982.010165][ T72] inet6_addr_add+0x30e/0xa40 [ 1982.010165][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.010165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.010165][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.010165][ T72] netlink_unicast+0x449/0x710 [ 1982.010165][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.010165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.010165][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.010165][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.010165][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.010165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.010165][ T72] [ 1982.012397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1982.012397][ T72] netdev_get_by_index+0x5e/0x80 [ 1982.012397][ T72] fib6_nh_init+0x3d8/0x1580 [ 1982.012397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1982.012397][ T72] ip6_route_add+0x1c/0x140 [ 1982.012397][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1982.012397][ T72] addrconf_add_dev+0xe2/0x170 [ 1982.012397][ T72] inet6_addr_add+0x12f/0xa40 [ 1982.012397][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.012397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.012397][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.012397][ T72] netlink_unicast+0x449/0x710 [ 1982.012397][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.012397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.012397][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.012397][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.012397][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.012397][ T72] [ 1982.014582][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1982.014582][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1982.014582][ T72] ipv6_find_idev+0x102/0x170 [ 1982.014582][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.014582][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.014582][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.014582][ T72] netlink_unicast+0x449/0x710 [ 1982.014582][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.014582][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.014582][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.014582][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.014582][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.014582][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.014582][ T72] [ 1982.016288][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1982.016288][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1982.016288][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1982.016288][ T72] ipv6_find_idev+0x102/0x170 [ 1982.016288][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.016288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.016288][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.016288][ T72] netlink_unicast+0x449/0x710 [ 1982.016288][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.016288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.016288][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.016288][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.016288][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.016288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.016288][ T72] [ 1982.018683][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1982.019525][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1982.019525][ T72] netdev_get_by_index+0x5e/0x80 [ 1982.019525][ T72] fib6_nh_init+0x3d8/0x1580 [ 1982.019525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1982.019525][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1982.019525][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1982.019525][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1982.019525][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1982.019525][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1982.019525][ T72] addrconf_dad_begin+0x310/0x670 [ 1982.019525][ T72] addrconf_dad_work+0x10b/0xab0 [ 1982.019525][ T72] process_one_work+0x84d/0x18a0 [ 1982.019525][ T72] worker_thread+0x587/0xd30 [ 1982.019525][ T72] kthread+0x28a/0x350 [ 1982.019525][ T72] ret_from_fork+0x31/0x70 [ 1982.019525][ T72] ret_from_fork_asm+0x1a/0x30 [ 1982.019525][ T72] [ 1982.021419][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1982.021419][ T72] netdev_get_by_index+0x5e/0x80 [ 1982.021419][ T72] fib6_nh_init+0x3d8/0x1580 [ 1982.021419][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1982.021419][ T72] ip6_route_add+0x1c/0x140 [ 1982.021419][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1982.021419][ T72] inet6_addr_add+0x4f8/0xa40 [ 1982.021419][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.021419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.021419][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.021419][ T72] netlink_unicast+0x449/0x710 [ 1982.021419][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.021419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.021419][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.021419][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.021419][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.021419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.021419][ T72] [ 1982.023458][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1982.023458][ T72] netdev_get_by_index+0x5e/0x80 [ 1982.023458][ T72] fib6_nh_init+0x3d8/0x1580 [ 1982.023458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1982.023458][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1982.023458][ T72] ipv6_add_addr+0x411/0x2000 [ 1982.023458][ T72] inet6_addr_add+0x30e/0xa40 [ 1982.023458][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.023458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.023458][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.023458][ T72] netlink_unicast+0x449/0x710 [ 1982.023458][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.023458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.023458][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.023458][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.023458][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.023458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.023458][ T72] [ 1982.025675][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1982.025675][ T72] netdev_get_by_index+0x5e/0x80 [ 1982.025675][ T72] fib6_nh_init+0x3d8/0x1580 [ 1982.025675][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1982.025675][ T72] ip6_route_add+0x1c/0x140 [ 1982.025675][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1982.025675][ T72] addrconf_add_dev+0xe2/0x170 [ 1982.025675][ T72] inet6_addr_add+0x12f/0xa40 [ 1982.025675][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.025675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.025675][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.025675][ T72] netlink_unicast+0x449/0x710 [ 1982.025675][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.025675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.025675][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.025675][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.025675][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.025675][ T72] [ 1982.027865][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1982.027865][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1982.027865][ T72] ipv6_find_idev+0x102/0x170 [ 1982.027865][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.027865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.027865][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.027865][ T72] netlink_unicast+0x449/0x710 [ 1982.027865][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.027865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.027865][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.027865][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.027865][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.027865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.027865][ T72] [ 1982.029963][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1982.029963][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1982.029963][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1982.029963][ T72] ipv6_find_idev+0x102/0x170 [ 1982.029963][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.029963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.029963][ T72] netlink_rcv_skb+0x130/0x360 [ 1982.029963][ T72] netlink_unicast+0x449/0x710 [ 1982.029963][ T72] netlink_sendmsg+0x723/0xbe0 [ 1982.029963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1982.029963][ T72] ___sys_sendmsg+0xee/0x170 [ 1982.029963][ T72] __sys_sendmsg+0xcd/0x170 [ 1982.029963][ T72] do_syscall_64+0xc6/0x1e0 [ 1982.029963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.029963][ T72] [ 1992.272964][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 1992.273567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1992.273567][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1992.273567][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1992.273567][ T72] fib6_nh_init+0xa22/0x1580 [ 1992.273567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.273567][ T72] ip6_route_add+0x1c/0x140 [ 1992.273567][ T72] inet6_rtm_newroute+0x104/0x110 [ 1992.273567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.273567][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.273567][ T72] netlink_unicast+0x449/0x710 [ 1992.273567][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.273567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.273567][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.273567][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.273567][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.273567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.273567][ T72] [ 1992.275503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 1992.275503][ T72] dst_init+0x84/0x4a0 [ 1992.275503][ T72] dst_alloc+0x97/0x150 [ 1992.275503][ T72] ip6_dst_alloc+0x23/0x90 [ 1992.275503][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.275503][ T72] ip6_pol_route+0x56f/0x840 [ 1992.275503][ T72] fib6_rule_lookup+0x456/0x630 [ 1992.275503][ T72] ip6_route_input+0x59c/0xa50 [ 1992.275503][ T72] ipv6_rcv+0x397/0x810 [ 1992.275503][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1992.275503][ T72] process_backlog+0x101/0x620 [ 1992.275503][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1992.275503][ T72] net_rx_action+0x495/0xbe0 [ 1992.275503][ T72] __do_softirq+0x1b5/0x7f6 [ 1992.275503][ T72] [ 1992.277151][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1992.277151][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.277151][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.277151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.277151][ T72] ip6_route_add+0x1c/0x140 [ 1992.277151][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1992.277151][ T72] inet6_addr_add+0x4f8/0xa40 [ 1992.277151][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.277151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.277151][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.277151][ T72] netlink_unicast+0x449/0x710 [ 1992.277151][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.277151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.277151][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.277151][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.277151][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.277151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.277151][ T72] [ 1992.279175][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1992.279175][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.279175][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.279175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.279175][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1992.279175][ T72] ipv6_add_addr+0x411/0x2000 [ 1992.279175][ T72] inet6_addr_add+0x30e/0xa40 [ 1992.279175][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.279175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.279175][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.279175][ T72] netlink_unicast+0x449/0x710 [ 1992.279175][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.279175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.279175][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.279175][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.279175][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.279175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.279175][ T72] [ 1992.281162][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1992.281162][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.281162][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.281162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.281162][ T72] ip6_route_add+0x1c/0x140 [ 1992.281162][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1992.281162][ T72] addrconf_add_dev+0xe2/0x170 [ 1992.281162][ T72] inet6_addr_add+0x12f/0xa40 [ 1992.281162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.281162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.281162][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.281162][ T72] netlink_unicast+0x449/0x710 [ 1992.281162][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.281162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.281162][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.281162][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.281162][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.281162][ T72] [ 1992.283117][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1992.283117][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1992.283117][ T72] ipv6_find_idev+0x102/0x170 [ 1992.283117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.283117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.283117][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.283117][ T72] netlink_unicast+0x449/0x710 [ 1992.283117][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.283117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.283117][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.283117][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.283117][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.283117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.283117][ T72] [ 1992.284647][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 1992.284647][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1992.284647][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1992.284647][ T72] ipv6_find_idev+0x102/0x170 [ 1992.284647][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.284647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.284647][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.284647][ T72] netlink_unicast+0x449/0x710 [ 1992.284647][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.284647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.284647][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.284647][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.284647][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.284647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.284647][ T72] [ 1992.286331][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 1992.286596][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1992.286596][ T72] dst_init+0x84/0x4a0 [ 1992.286596][ T72] dst_alloc+0x97/0x150 [ 1992.286596][ T72] ip6_dst_alloc+0x23/0x90 [ 1992.286596][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.286596][ T72] ip6_pol_route+0x56f/0x840 [ 1992.286596][ T72] fib6_rule_lookup+0x456/0x630 [ 1992.286596][ T72] ip6_route_input+0x59c/0xa50 [ 1992.286596][ T72] ipv6_rcv+0x397/0x810 [ 1992.286596][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1992.286596][ T72] process_backlog+0x101/0x620 [ 1992.286596][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1992.286596][ T72] net_rx_action+0x495/0xbe0 [ 1992.286596][ T72] __do_softirq+0x1b5/0x7f6 [ 1992.286596][ T72] [ 1992.288230][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1992.288230][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.288230][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.288230][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.288230][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1992.288230][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1992.288230][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1992.288230][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1992.288230][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1992.288230][ T72] addrconf_dad_begin+0x310/0x670 [ 1992.288230][ T72] addrconf_dad_work+0x10b/0xab0 [ 1992.288230][ T72] process_one_work+0x84d/0x18a0 [ 1992.288230][ T72] worker_thread+0x587/0xd30 [ 1992.288230][ T72] kthread+0x28a/0x350 [ 1992.288230][ T72] ret_from_fork+0x31/0x70 [ 1992.288230][ T72] ret_from_fork_asm+0x1a/0x30 [ 1992.288230][ T72] [ 1992.290133][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1992.290133][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.290133][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.290133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.290133][ T72] ip6_route_add+0x1c/0x140 [ 1992.290133][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1992.290133][ T72] inet6_addr_add+0x4f8/0xa40 [ 1992.290133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.290133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.290133][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.290133][ T72] netlink_unicast+0x449/0x710 [ 1992.290133][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.290133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.290133][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.290133][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.290133][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.290133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.290133][ T72] [ 1992.292145][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1992.292145][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.292145][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.292145][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.292145][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1992.292145][ T72] ipv6_add_addr+0x411/0x2000 [ 1992.292145][ T72] inet6_addr_add+0x30e/0xa40 [ 1992.292145][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.292145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.292145][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.292145][ T72] netlink_unicast+0x449/0x710 [ 1992.292145][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.292145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.292145][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.292145][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.292145][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.292145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.292145][ T72] [ 1992.294142][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1992.294142][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.294142][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.294142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.294142][ T72] ip6_route_add+0x1c/0x140 [ 1992.294142][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1992.294142][ T72] addrconf_add_dev+0xe2/0x170 [ 1992.294142][ T72] inet6_addr_add+0x12f/0xa40 [ 1992.294142][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.294142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.294142][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.294142][ T72] netlink_unicast+0x449/0x710 [ 1992.294142][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.294142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.294142][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.294142][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.294142][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.294142][ T72] [ 1992.296112][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1992.296112][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1992.296112][ T72] ipv6_find_idev+0x102/0x170 [ 1992.296112][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.296112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.296112][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.296112][ T72] netlink_unicast+0x449/0x710 [ 1992.296112][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.296112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.296112][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.296112][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.296112][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.296112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.296112][ T72] [ 1992.297644][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 1992.297644][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1992.297644][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1992.297644][ T72] ipv6_find_idev+0x102/0x170 [ 1992.297644][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.297644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.297644][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.297644][ T72] netlink_unicast+0x449/0x710 [ 1992.297644][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.297644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.297644][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.297644][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.297644][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.297644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.297644][ T72] [ 1992.299395][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 1992.299731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1992.299731][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 1992.299731][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 1992.299731][ T72] fib6_nh_init+0xa22/0x1580 [ 1992.299731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.299731][ T72] ip6_route_add+0x1c/0x140 [ 1992.299731][ T72] inet6_rtm_newroute+0x104/0x110 [ 1992.299731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.299731][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.299731][ T72] netlink_unicast+0x449/0x710 [ 1992.299731][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.299731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.299731][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.299731][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.299731][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.299731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.299731][ T72] [ 1992.301782][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1992.301782][ T72] dst_init+0x84/0x4a0 [ 1992.301782][ T72] dst_alloc+0x97/0x150 [ 1992.301782][ T72] ip6_dst_alloc+0x23/0x90 [ 1992.301782][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.301782][ T72] ip6_pol_route+0x56f/0x840 [ 1992.301782][ T72] fib6_rule_lookup+0x456/0x630 [ 1992.301782][ T72] ip6_route_input+0x59c/0xa50 [ 1992.301782][ T72] ipv6_rcv+0x397/0x810 [ 1992.301782][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 1992.301782][ T72] process_backlog+0x101/0x620 [ 1992.301782][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 1992.301782][ T72] net_rx_action+0x495/0xbe0 [ 1992.301782][ T72] __do_softirq+0x1b5/0x7f6 [ 1992.301782][ T72] [ 1992.303593][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1992.303593][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.303593][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.303593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.303593][ T72] ip6_route_add+0x1c/0x140 [ 1992.303593][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1992.303593][ T72] inet6_addr_add+0x4f8/0xa40 [ 1992.303593][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.303593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.303593][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.303593][ T72] netlink_unicast+0x449/0x710 [ 1992.303593][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.303593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.303593][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.303593][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.303593][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.303593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.303593][ T72] [ 1992.305819][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1992.305819][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.305819][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.305819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.305819][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1992.305819][ T72] ipv6_add_addr+0x411/0x2000 [ 1992.305819][ T72] inet6_addr_add+0x30e/0xa40 [ 1992.305819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.305819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.305819][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.305819][ T72] netlink_unicast+0x449/0x710 [ 1992.305819][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.305819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.305819][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.305819][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.305819][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.305819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.305819][ T72] [ 1992.308055][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1992.308055][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.308055][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.308055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.308055][ T72] ip6_route_add+0x1c/0x140 [ 1992.308055][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1992.308055][ T72] addrconf_add_dev+0xe2/0x170 [ 1992.308055][ T72] inet6_addr_add+0x12f/0xa40 [ 1992.308055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.308055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.308055][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.308055][ T72] netlink_unicast+0x449/0x710 [ 1992.308055][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.308055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.308055][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.308055][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.308055][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.308055][ T72] [ 1992.310315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1992.310315][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1992.310315][ T72] ipv6_find_idev+0x102/0x170 [ 1992.310315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.310315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.310315][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.310315][ T72] netlink_unicast+0x449/0x710 [ 1992.310315][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.310315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.310315][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.310315][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.310315][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.310315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.310315][ T72] [ 1992.312023][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 1992.312023][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1992.312023][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1992.312023][ T72] ipv6_find_idev+0x102/0x170 [ 1992.312023][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.312023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.312023][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.312023][ T72] netlink_unicast+0x449/0x710 [ 1992.312023][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.312023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.312023][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.312023][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.312023][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.312023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.312023][ T72] [ 1992.313874][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 1992.314150][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1992.314150][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.314150][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.314150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.314150][ T72] addrconf_f6i_alloc+0x265/0x560 [ 1992.314150][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1992.314150][ T72] addrconf_join_anycast+0x1c0/0x220 [ 1992.314150][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1992.314150][ T72] addrconf_dad_completed+0x12b/0xe20 [ 1992.314150][ T72] addrconf_dad_begin+0x310/0x670 [ 1992.314150][ T72] addrconf_dad_work+0x10b/0xab0 [ 1992.314150][ T72] process_one_work+0x84d/0x18a0 [ 1992.314150][ T72] worker_thread+0x587/0xd30 [ 1992.314150][ T72] kthread+0x28a/0x350 [ 1992.314150][ T72] ret_from_fork+0x31/0x70 [ 1992.314150][ T72] ret_from_fork_asm+0x1a/0x30 [ 1992.314150][ T72] [ 1992.316296][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1992.316296][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.316296][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.316296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.316296][ T72] ip6_route_add+0x1c/0x140 [ 1992.316296][ T72] addrconf_prefix_route+0x2a6/0x430 [ 1992.316296][ T72] inet6_addr_add+0x4f8/0xa40 [ 1992.316296][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.316296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.316296][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.316296][ T72] netlink_unicast+0x449/0x710 [ 1992.316296][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.316296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.316296][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.316296][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.316296][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.316296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.316296][ T72] [ 1992.318520][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1992.318520][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.318520][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.318520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.318520][ T72] addrconf_f6i_alloc+0x315/0x560 [ 1992.318520][ T72] ipv6_add_addr+0x411/0x2000 [ 1992.318520][ T72] inet6_addr_add+0x30e/0xa40 [ 1992.318520][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.318520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.318520][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.318520][ T72] netlink_unicast+0x449/0x710 [ 1992.318520][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.318520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.318520][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.318520][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.318520][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.318520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.318520][ T72] [ 1992.320810][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1992.320810][ T72] netdev_get_by_index+0x5e/0x80 [ 1992.320810][ T72] fib6_nh_init+0x3d8/0x1580 [ 1992.320810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 1992.320810][ T72] ip6_route_add+0x1c/0x140 [ 1992.320810][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 1992.320810][ T72] addrconf_add_dev+0xe2/0x170 [ 1992.320810][ T72] inet6_addr_add+0x12f/0xa40 [ 1992.320810][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.320810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.320810][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.320810][ T72] netlink_unicast+0x449/0x710 [ 1992.320810][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.320810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.320810][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.320810][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.320810][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.320810][ T72] [ 1992.323010][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1992.323010][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 1992.323010][ T72] ipv6_find_idev+0x102/0x170 [ 1992.323010][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.323010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.323010][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.323010][ T72] netlink_unicast+0x449/0x710 [ 1992.323010][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.323010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.323010][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.323010][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.323010][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.323010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.323010][ T72] [ 1992.324667][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 1992.324667][ T72] neigh_parms_alloc+0x1e5/0x510 [ 1992.324667][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 1992.324667][ T72] ipv6_find_idev+0x102/0x170 [ 1992.324667][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.324667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.324667][ T72] netlink_rcv_skb+0x130/0x360 [ 1992.324667][ T72] netlink_unicast+0x449/0x710 [ 1992.324667][ T72] netlink_sendmsg+0x723/0xbe0 [ 1992.324667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 1992.324667][ T72] ___sys_sendmsg+0xee/0x170 [ 1992.324667][ T72] __sys_sendmsg+0xcd/0x170 [ 1992.324667][ T72] do_syscall_64+0xc6/0x1e0 [ 1992.324667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.324667][ T72] [ 2002.568941][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2002.569476][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2002.569476][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2002.569476][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2002.569476][ T72] fib6_nh_init+0xa22/0x1580 [ 2002.569476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.569476][ T72] ip6_route_add+0x1c/0x140 [ 2002.569476][ T72] inet6_rtm_newroute+0x104/0x110 [ 2002.569476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.569476][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.569476][ T72] netlink_unicast+0x449/0x710 [ 2002.569476][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.569476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.569476][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.569476][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.569476][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.569476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.569476][ T72] [ 2002.571403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2002.571403][ T72] dst_init+0x84/0x4a0 [ 2002.571403][ T72] dst_alloc+0x97/0x150 [ 2002.571403][ T72] ip6_dst_alloc+0x23/0x90 [ 2002.571403][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.571403][ T72] ip6_pol_route+0x56f/0x840 [ 2002.571403][ T72] fib6_rule_lookup+0x456/0x630 [ 2002.571403][ T72] ip6_route_input+0x59c/0xa50 [ 2002.571403][ T72] ipv6_rcv+0x397/0x810 [ 2002.571403][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2002.571403][ T72] process_backlog+0x101/0x620 [ 2002.571403][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2002.571403][ T72] net_rx_action+0x495/0xbe0 [ 2002.571403][ T72] __do_softirq+0x1b5/0x7f6 [ 2002.571403][ T72] [ 2002.573044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2002.573044][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.573044][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.573044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.573044][ T72] ip6_route_add+0x1c/0x140 [ 2002.573044][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2002.573044][ T72] inet6_addr_add+0x4f8/0xa40 [ 2002.573044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.573044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.573044][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.573044][ T72] netlink_unicast+0x449/0x710 [ 2002.573044][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.573044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.573044][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.573044][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.573044][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.573044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.573044][ T72] [ 2002.575069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2002.575069][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.575069][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.575069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.575069][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2002.575069][ T72] ipv6_add_addr+0x411/0x2000 [ 2002.575069][ T72] inet6_addr_add+0x30e/0xa40 [ 2002.575069][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.575069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.575069][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.575069][ T72] netlink_unicast+0x449/0x710 [ 2002.575069][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.575069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.575069][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.575069][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.575069][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.575069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.575069][ T72] [ 2002.577055][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2002.577055][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.577055][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.577055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.577055][ T72] ip6_route_add+0x1c/0x140 [ 2002.577055][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2002.577055][ T72] addrconf_add_dev+0xe2/0x170 [ 2002.577055][ T72] inet6_addr_add+0x12f/0xa40 [ 2002.577055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.577055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.577055][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.577055][ T72] netlink_unicast+0x449/0x710 [ 2002.577055][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.577055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.577055][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.577055][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.577055][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.577055][ T72] [ 2002.579032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2002.579032][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2002.579032][ T72] ipv6_find_idev+0x102/0x170 [ 2002.579032][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.579032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.579032][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.579032][ T72] netlink_unicast+0x449/0x710 [ 2002.579032][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.579032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.579032][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.579032][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.579032][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.579032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.579032][ T72] [ 2002.580564][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2002.580564][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2002.580564][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2002.580564][ T72] ipv6_find_idev+0x102/0x170 [ 2002.580564][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.580564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.580564][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.580564][ T72] netlink_unicast+0x449/0x710 [ 2002.580564][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.580564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.580564][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.580564][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.580564][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.580564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.580564][ T72] [ 2002.582775][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2002.583063][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2002.583063][ T72] dst_init+0x84/0x4a0 [ 2002.583063][ T72] dst_alloc+0x97/0x150 [ 2002.583063][ T72] ip6_dst_alloc+0x23/0x90 [ 2002.583063][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.583063][ T72] ip6_pol_route+0x56f/0x840 [ 2002.583063][ T72] fib6_rule_lookup+0x456/0x630 [ 2002.583063][ T72] ip6_route_input+0x59c/0xa50 [ 2002.583063][ T72] ipv6_rcv+0x397/0x810 [ 2002.583063][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2002.583063][ T72] process_backlog+0x101/0x620 [ 2002.583063][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2002.583063][ T72] net_rx_action+0x495/0xbe0 [ 2002.583063][ T72] __do_softirq+0x1b5/0x7f6 [ 2002.583063][ T72] [ 2002.584698][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2002.584698][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.584698][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.584698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.584698][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2002.584698][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2002.584698][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2002.584698][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2002.584698][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2002.584698][ T72] addrconf_dad_begin+0x310/0x670 [ 2002.584698][ T72] addrconf_dad_work+0x10b/0xab0 [ 2002.584698][ T72] process_one_work+0x84d/0x18a0 [ 2002.584698][ T72] worker_thread+0x587/0xd30 [ 2002.584698][ T72] kthread+0x28a/0x350 [ 2002.584698][ T72] ret_from_fork+0x31/0x70 [ 2002.584698][ T72] ret_from_fork_asm+0x1a/0x30 [ 2002.584698][ T72] [ 2002.586593][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2002.586593][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.586593][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.586593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.586593][ T72] ip6_route_add+0x1c/0x140 [ 2002.586593][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2002.586593][ T72] inet6_addr_add+0x4f8/0xa40 [ 2002.586593][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.586593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.586593][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.586593][ T72] netlink_unicast+0x449/0x710 [ 2002.586593][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.586593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.586593][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.586593][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.586593][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.586593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.586593][ T72] [ 2002.588602][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2002.588602][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.588602][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.588602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.588602][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2002.588602][ T72] ipv6_add_addr+0x411/0x2000 [ 2002.588602][ T72] inet6_addr_add+0x30e/0xa40 [ 2002.588602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.588602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.588602][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.588602][ T72] netlink_unicast+0x449/0x710 [ 2002.588602][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.588602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.588602][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.588602][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.588602][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.588602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.588602][ T72] [ 2002.590591][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2002.590591][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.590591][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.590591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.590591][ T72] ip6_route_add+0x1c/0x140 [ 2002.590591][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2002.590591][ T72] addrconf_add_dev+0xe2/0x170 [ 2002.590591][ T72] inet6_addr_add+0x12f/0xa40 [ 2002.590591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.590591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.590591][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.590591][ T72] netlink_unicast+0x449/0x710 [ 2002.590591][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.590591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.590591][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.590591][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.590591][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.590591][ T72] [ 2002.592644][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2002.592644][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2002.592644][ T72] ipv6_find_idev+0x102/0x170 [ 2002.592644][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.592644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.592644][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.592644][ T72] netlink_unicast+0x449/0x710 [ 2002.592644][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.592644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.592644][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.592644][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.592644][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.592644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.592644][ T72] [ 2002.594170][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2002.594170][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2002.594170][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2002.594170][ T72] ipv6_find_idev+0x102/0x170 [ 2002.594170][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.594170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.594170][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.594170][ T72] netlink_unicast+0x449/0x710 [ 2002.594170][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.594170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.594170][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.594170][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.594170][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.594170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.594170][ T72] [ 2002.595910][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2002.596184][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2002.596184][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2002.596184][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2002.596184][ T72] fib6_nh_init+0xa22/0x1580 [ 2002.596184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.596184][ T72] ip6_route_add+0x1c/0x140 [ 2002.596184][ T72] inet6_rtm_newroute+0x104/0x110 [ 2002.596184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.596184][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.596184][ T72] netlink_unicast+0x449/0x710 [ 2002.596184][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.596184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.596184][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.596184][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.596184][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.596184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.596184][ T72] [ 2002.598169][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2002.598169][ T72] dst_init+0x84/0x4a0 [ 2002.598169][ T72] dst_alloc+0x97/0x150 [ 2002.598169][ T72] ip6_dst_alloc+0x23/0x90 [ 2002.598169][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.598169][ T72] ip6_pol_route+0x56f/0x840 [ 2002.598169][ T72] fib6_rule_lookup+0x456/0x630 [ 2002.598169][ T72] ip6_route_input+0x59c/0xa50 [ 2002.598169][ T72] ipv6_rcv+0x397/0x810 [ 2002.598169][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2002.598169][ T72] process_backlog+0x101/0x620 [ 2002.598169][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2002.598169][ T72] net_rx_action+0x495/0xbe0 [ 2002.598169][ T72] __do_softirq+0x1b5/0x7f6 [ 2002.598169][ T72] [ 2002.599930][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2002.599930][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.599930][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.599930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.599930][ T72] ip6_route_add+0x1c/0x140 [ 2002.599930][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2002.599930][ T72] inet6_addr_add+0x4f8/0xa40 [ 2002.599930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.599930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.599930][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.599930][ T72] netlink_unicast+0x449/0x710 [ 2002.599930][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.599930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.599930][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.599930][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.599930][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.599930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.599930][ T72] [ 2002.602053][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2002.602053][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.602053][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.602053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.602053][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2002.602053][ T72] ipv6_add_addr+0x411/0x2000 [ 2002.602053][ T72] inet6_addr_add+0x30e/0xa40 [ 2002.602053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.602053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.602053][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.602053][ T72] netlink_unicast+0x449/0x710 [ 2002.602053][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.602053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.602053][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.602053][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.602053][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.602053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.602053][ T72] [ 2002.604167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2002.604167][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.604167][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.604167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.604167][ T72] ip6_route_add+0x1c/0x140 [ 2002.604167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2002.604167][ T72] addrconf_add_dev+0xe2/0x170 [ 2002.604167][ T72] inet6_addr_add+0x12f/0xa40 [ 2002.604167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.604167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.604167][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.604167][ T72] netlink_unicast+0x449/0x710 [ 2002.604167][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.604167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.604167][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.604167][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.604167][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.604167][ T72] [ 2002.606300][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2002.606300][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2002.606300][ T72] ipv6_find_idev+0x102/0x170 [ 2002.606300][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.606300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.606300][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.606300][ T72] netlink_unicast+0x449/0x710 [ 2002.606300][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.606300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.606300][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.606300][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.606300][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.606300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.606300][ T72] [ 2002.607886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2002.607886][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2002.607886][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2002.607886][ T72] ipv6_find_idev+0x102/0x170 [ 2002.607886][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.607886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.607886][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.607886][ T72] netlink_unicast+0x449/0x710 [ 2002.607886][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.607886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.607886][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.607886][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.607886][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.607886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.607886][ T72] [ 2002.609710][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2002.610424][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2002.610424][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.610424][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.610424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.610424][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2002.610424][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2002.610424][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2002.610424][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2002.610424][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2002.610424][ T72] addrconf_dad_begin+0x310/0x670 [ 2002.610424][ T72] addrconf_dad_work+0x10b/0xab0 [ 2002.610424][ T72] process_one_work+0x84d/0x18a0 [ 2002.610424][ T72] worker_thread+0x587/0xd30 [ 2002.610424][ T72] kthread+0x28a/0x350 [ 2002.610424][ T72] ret_from_fork+0x31/0x70 [ 2002.610424][ T72] ret_from_fork_asm+0x1a/0x30 [ 2002.610424][ T72] [ 2002.612321][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2002.612321][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.612321][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.612321][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.612321][ T72] ip6_route_add+0x1c/0x140 [ 2002.612321][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2002.612321][ T72] inet6_addr_add+0x4f8/0xa40 [ 2002.612321][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.612321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.612321][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.612321][ T72] netlink_unicast+0x449/0x710 [ 2002.612321][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.612321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.612321][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.612321][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.612321][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.612321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.612321][ T72] [ 2002.614362][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2002.614362][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.614362][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.614362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.614362][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2002.614362][ T72] ipv6_add_addr+0x411/0x2000 [ 2002.614362][ T72] inet6_addr_add+0x30e/0xa40 [ 2002.614362][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.614362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.614362][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.614362][ T72] netlink_unicast+0x449/0x710 [ 2002.614362][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.614362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.614362][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.614362][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.614362][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.614362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.614362][ T72] [ 2002.616508][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2002.616508][ T72] netdev_get_by_index+0x5e/0x80 [ 2002.616508][ T72] fib6_nh_init+0x3d8/0x1580 [ 2002.616508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2002.616508][ T72] ip6_route_add+0x1c/0x140 [ 2002.616508][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2002.616508][ T72] addrconf_add_dev+0xe2/0x170 [ 2002.616508][ T72] inet6_addr_add+0x12f/0xa40 [ 2002.616508][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.616508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.616508][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.616508][ T72] netlink_unicast+0x449/0x710 [ 2002.616508][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.616508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.616508][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.616508][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.616508][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.616508][ T72] [ 2002.618588][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2002.618588][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2002.618588][ T72] ipv6_find_idev+0x102/0x170 [ 2002.618588][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.618588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.618588][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.618588][ T72] netlink_unicast+0x449/0x710 [ 2002.618588][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.618588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.618588][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.618588][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.618588][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.618588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.618588][ T72] [ 2002.620182][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2002.620182][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2002.620182][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2002.620182][ T72] ipv6_find_idev+0x102/0x170 [ 2002.620182][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.620182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.620182][ T72] netlink_rcv_skb+0x130/0x360 [ 2002.620182][ T72] netlink_unicast+0x449/0x710 [ 2002.620182][ T72] netlink_sendmsg+0x723/0xbe0 [ 2002.620182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2002.620182][ T72] ___sys_sendmsg+0xee/0x170 [ 2002.620182][ T72] __sys_sendmsg+0xcd/0x170 [ 2002.620182][ T72] do_syscall_64+0xc6/0x1e0 [ 2002.620182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.620182][ T72] [ 2012.864978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2012.865524][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2012.865524][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2012.865524][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2012.865524][ T72] fib6_nh_init+0xa22/0x1580 [ 2012.865524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.865524][ T72] ip6_route_add+0x1c/0x140 [ 2012.865524][ T72] inet6_rtm_newroute+0x104/0x110 [ 2012.865524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.865524][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.865524][ T72] netlink_unicast+0x449/0x710 [ 2012.865524][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.865524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.865524][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.865524][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.865524][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.865524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.865524][ T72] [ 2012.867475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2012.867475][ T72] dst_init+0x84/0x4a0 [ 2012.867475][ T72] dst_alloc+0x97/0x150 [ 2012.867475][ T72] ip6_dst_alloc+0x23/0x90 [ 2012.867475][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.867475][ T72] ip6_pol_route+0x56f/0x840 [ 2012.867475][ T72] fib6_rule_lookup+0x456/0x630 [ 2012.867475][ T72] ip6_route_input+0x59c/0xa50 [ 2012.867475][ T72] ipv6_rcv+0x397/0x810 [ 2012.867475][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2012.867475][ T72] process_backlog+0x101/0x620 [ 2012.867475][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2012.867475][ T72] net_rx_action+0x495/0xbe0 [ 2012.867475][ T72] __do_softirq+0x1b5/0x7f6 [ 2012.867475][ T72] [ 2012.869139][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2012.869139][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.869139][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.869139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.869139][ T72] ip6_route_add+0x1c/0x140 [ 2012.869139][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2012.869139][ T72] inet6_addr_add+0x4f8/0xa40 [ 2012.869139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.869139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.869139][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.869139][ T72] netlink_unicast+0x449/0x710 [ 2012.869139][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.869139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.869139][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.869139][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.869139][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.869139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.869139][ T72] [ 2012.871162][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2012.871162][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.871162][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.871162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.871162][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2012.871162][ T72] ipv6_add_addr+0x411/0x2000 [ 2012.871162][ T72] inet6_addr_add+0x30e/0xa40 [ 2012.871162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.871162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.871162][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.871162][ T72] netlink_unicast+0x449/0x710 [ 2012.871162][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.871162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.871162][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.871162][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.871162][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.871162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.871162][ T72] [ 2012.873297][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2012.873297][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.873297][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.873297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.873297][ T72] ip6_route_add+0x1c/0x140 [ 2012.873297][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2012.873297][ T72] addrconf_add_dev+0xe2/0x170 [ 2012.873297][ T72] inet6_addr_add+0x12f/0xa40 [ 2012.873297][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.873297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.873297][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.873297][ T72] netlink_unicast+0x449/0x710 [ 2012.873297][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.873297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.873297][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.873297][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.873297][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.873297][ T72] [ 2012.875265][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2012.875265][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2012.875265][ T72] ipv6_find_idev+0x102/0x170 [ 2012.875265][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.875265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.875265][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.875265][ T72] netlink_unicast+0x449/0x710 [ 2012.875265][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.875265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.875265][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.875265][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.875265][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.875265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.875265][ T72] [ 2012.876798][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2012.876798][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2012.876798][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2012.876798][ T72] ipv6_find_idev+0x102/0x170 [ 2012.876798][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.876798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.876798][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.876798][ T72] netlink_unicast+0x449/0x710 [ 2012.876798][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.876798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.876798][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.876798][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.876798][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.876798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.876798][ T72] [ 2012.878497][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2012.878768][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2012.878768][ T72] dst_init+0x84/0x4a0 [ 2012.878768][ T72] dst_alloc+0x97/0x150 [ 2012.878768][ T72] ip6_dst_alloc+0x23/0x90 [ 2012.878768][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.878768][ T72] ip6_pol_route+0x56f/0x840 [ 2012.878768][ T72] fib6_rule_lookup+0x456/0x630 [ 2012.878768][ T72] ip6_route_input+0x59c/0xa50 [ 2012.878768][ T72] ipv6_rcv+0x397/0x810 [ 2012.878768][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2012.878768][ T72] process_backlog+0x101/0x620 [ 2012.878768][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2012.878768][ T72] net_rx_action+0x495/0xbe0 [ 2012.878768][ T72] __do_softirq+0x1b5/0x7f6 [ 2012.878768][ T72] [ 2012.880424][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2012.880424][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.880424][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.880424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.880424][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2012.880424][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2012.880424][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2012.880424][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2012.880424][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2012.880424][ T72] addrconf_dad_begin+0x310/0x670 [ 2012.880424][ T72] addrconf_dad_work+0x10b/0xab0 [ 2012.880424][ T72] process_one_work+0x84d/0x18a0 [ 2012.880424][ T72] worker_thread+0x587/0xd30 [ 2012.880424][ T72] kthread+0x28a/0x350 [ 2012.880424][ T72] ret_from_fork+0x31/0x70 [ 2012.880424][ T72] ret_from_fork_asm+0x1a/0x30 [ 2012.880424][ T72] [ 2012.882343][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2012.882343][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.882343][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.882343][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.882343][ T72] ip6_route_add+0x1c/0x140 [ 2012.882343][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2012.882343][ T72] inet6_addr_add+0x4f8/0xa40 [ 2012.882343][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.882343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.882343][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.882343][ T72] netlink_unicast+0x449/0x710 [ 2012.882343][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.882343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.882343][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.882343][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.882343][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.882343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.882343][ T72] [ 2012.884329][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2012.884329][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.884329][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.884329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.884329][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2012.884329][ T72] ipv6_add_addr+0x411/0x2000 [ 2012.884329][ T72] inet6_addr_add+0x30e/0xa40 [ 2012.884329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.884329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.884329][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.884329][ T72] netlink_unicast+0x449/0x710 [ 2012.884329][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.884329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.884329][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.884329][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.884329][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.884329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.884329][ T72] [ 2012.886327][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2012.886327][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.886327][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.886327][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.886327][ T72] ip6_route_add+0x1c/0x140 [ 2012.886327][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2012.886327][ T72] addrconf_add_dev+0xe2/0x170 [ 2012.886327][ T72] inet6_addr_add+0x12f/0xa40 [ 2012.886327][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.886327][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.886327][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.886327][ T72] netlink_unicast+0x449/0x710 [ 2012.886327][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.886327][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.886327][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.886327][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.886327][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.886327][ T72] [ 2012.888275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2012.888275][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2012.888275][ T72] ipv6_find_idev+0x102/0x170 [ 2012.888275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.888275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.888275][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.888275][ T72] netlink_unicast+0x449/0x710 [ 2012.888275][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.888275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.888275][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.888275][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.888275][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.888275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.888275][ T72] [ 2012.889801][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2012.889801][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2012.889801][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2012.889801][ T72] ipv6_find_idev+0x102/0x170 [ 2012.889801][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.889801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.889801][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.889801][ T72] netlink_unicast+0x449/0x710 [ 2012.889801][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.889801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.889801][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.889801][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.889801][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.889801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.889801][ T72] [ 2012.891533][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2012.891876][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2012.891876][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2012.891876][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2012.891876][ T72] fib6_nh_init+0xa22/0x1580 [ 2012.891876][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.891876][ T72] ip6_route_add+0x1c/0x140 [ 2012.891876][ T72] inet6_rtm_newroute+0x104/0x110 [ 2012.891876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.891876][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.891876][ T72] netlink_unicast+0x449/0x710 [ 2012.891876][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.891876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.891876][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.891876][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.891876][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.891876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.891876][ T72] [ 2012.893860][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2012.893860][ T72] dst_init+0x84/0x4a0 [ 2012.893860][ T72] dst_alloc+0x97/0x150 [ 2012.893860][ T72] ip6_dst_alloc+0x23/0x90 [ 2012.893860][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.893860][ T72] ip6_pol_route+0x56f/0x840 [ 2012.893860][ T72] fib6_rule_lookup+0x456/0x630 [ 2012.893860][ T72] ip6_route_input+0x59c/0xa50 [ 2012.893860][ T72] ipv6_rcv+0x397/0x810 [ 2012.893860][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2012.893860][ T72] process_backlog+0x101/0x620 [ 2012.893860][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2012.893860][ T72] net_rx_action+0x495/0xbe0 [ 2012.893860][ T72] __do_softirq+0x1b5/0x7f6 [ 2012.893860][ T72] [ 2012.895667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2012.895667][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.895667][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.895667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.895667][ T72] ip6_route_add+0x1c/0x140 [ 2012.895667][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2012.895667][ T72] inet6_addr_add+0x4f8/0xa40 [ 2012.895667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.895667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.895667][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.895667][ T72] netlink_unicast+0x449/0x710 [ 2012.895667][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.895667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.895667][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.895667][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.895667][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.895667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.895667][ T72] [ 2012.897908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2012.897908][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.897908][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.897908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.897908][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2012.897908][ T72] ipv6_add_addr+0x411/0x2000 [ 2012.897908][ T72] inet6_addr_add+0x30e/0xa40 [ 2012.897908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.897908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.897908][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.897908][ T72] netlink_unicast+0x449/0x710 [ 2012.897908][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.897908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.897908][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.897908][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.897908][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.897908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.897908][ T72] [ 2012.900198][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2012.900198][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.900198][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.900198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.900198][ T72] ip6_route_add+0x1c/0x140 [ 2012.900198][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2012.900198][ T72] addrconf_add_dev+0xe2/0x170 [ 2012.900198][ T72] inet6_addr_add+0x12f/0xa40 [ 2012.900198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.900198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.900198][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.900198][ T72] netlink_unicast+0x449/0x710 [ 2012.900198][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.900198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.900198][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.900198][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.900198][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.900198][ T72] [ 2012.902387][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2012.902387][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2012.902387][ T72] ipv6_find_idev+0x102/0x170 [ 2012.902387][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.902387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.902387][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.902387][ T72] netlink_unicast+0x449/0x710 [ 2012.902387][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.902387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.902387][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.902387][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.902387][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.902387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.902387][ T72] [ 2012.904095][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2012.904095][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2012.904095][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2012.904095][ T72] ipv6_find_idev+0x102/0x170 [ 2012.904095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.904095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.904095][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.904095][ T72] netlink_unicast+0x449/0x710 [ 2012.904095][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.904095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.904095][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.904095][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.904095][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.904095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.904095][ T72] [ 2012.905945][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2012.906225][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2012.906225][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.906225][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.906225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.906225][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2012.906225][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2012.906225][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2012.906225][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2012.906225][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2012.906225][ T72] addrconf_dad_begin+0x310/0x670 [ 2012.906225][ T72] addrconf_dad_work+0x10b/0xab0 [ 2012.906225][ T72] process_one_work+0x84d/0x18a0 [ 2012.906225][ T72] worker_thread+0x587/0xd30 [ 2012.906225][ T72] kthread+0x28a/0x350 [ 2012.906225][ T72] ret_from_fork+0x31/0x70 [ 2012.906225][ T72] ret_from_fork_asm+0x1a/0x30 [ 2012.906225][ T72] [ 2012.908457][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2012.908457][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.908457][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.908457][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.908457][ T72] ip6_route_add+0x1c/0x140 [ 2012.908457][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2012.908457][ T72] inet6_addr_add+0x4f8/0xa40 [ 2012.908457][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.908457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.908457][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.908457][ T72] netlink_unicast+0x449/0x710 [ 2012.908457][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.908457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.908457][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.908457][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.908457][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.908457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.908457][ T72] [ 2012.910709][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2012.910709][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.910709][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.910709][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.910709][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2012.910709][ T72] ipv6_add_addr+0x411/0x2000 [ 2012.910709][ T72] inet6_addr_add+0x30e/0xa40 [ 2012.910709][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.910709][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.910709][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.910709][ T72] netlink_unicast+0x449/0x710 [ 2012.910709][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.910709][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.910709][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.910709][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.910709][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.910709][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.910709][ T72] [ 2012.912928][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2012.912928][ T72] netdev_get_by_index+0x5e/0x80 [ 2012.912928][ T72] fib6_nh_init+0x3d8/0x1580 [ 2012.912928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2012.912928][ T72] ip6_route_add+0x1c/0x140 [ 2012.912928][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2012.912928][ T72] addrconf_add_dev+0xe2/0x170 [ 2012.912928][ T72] inet6_addr_add+0x12f/0xa40 [ 2012.912928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.912928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.912928][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.912928][ T72] netlink_unicast+0x449/0x710 [ 2012.912928][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.912928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.912928][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.912928][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.912928][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.912928][ T72] [ 2012.915118][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2012.915118][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2012.915118][ T72] ipv6_find_idev+0x102/0x170 [ 2012.915118][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.915118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.915118][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.915118][ T72] netlink_unicast+0x449/0x710 [ 2012.915118][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.915118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.915118][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.915118][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.915118][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.915118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.915118][ T72] [ 2012.916763][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2012.916763][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2012.916763][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2012.916763][ T72] ipv6_find_idev+0x102/0x170 [ 2012.916763][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.916763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.916763][ T72] netlink_rcv_skb+0x130/0x360 [ 2012.916763][ T72] netlink_unicast+0x449/0x710 [ 2012.916763][ T72] netlink_sendmsg+0x723/0xbe0 [ 2012.916763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2012.916763][ T72] ___sys_sendmsg+0xee/0x170 [ 2012.916763][ T72] __sys_sendmsg+0xcd/0x170 [ 2012.916763][ T72] do_syscall_64+0xc6/0x1e0 [ 2012.916763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.916763][ T72] [ 2023.104993][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2023.105543][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2023.105543][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2023.105543][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2023.105543][ T72] fib6_nh_init+0xa22/0x1580 [ 2023.105543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.105543][ T72] ip6_route_add+0x1c/0x140 [ 2023.105543][ T72] inet6_rtm_newroute+0x104/0x110 [ 2023.105543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.105543][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.105543][ T72] netlink_unicast+0x449/0x710 [ 2023.105543][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.105543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.105543][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.105543][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.105543][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.105543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.105543][ T72] [ 2023.107323][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2023.107323][ T72] dst_init+0x84/0x4a0 [ 2023.107323][ T72] dst_alloc+0x97/0x150 [ 2023.107323][ T72] ip6_dst_alloc+0x23/0x90 [ 2023.107323][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2023.107323][ T72] ip6_pol_route+0x56f/0x840 [ 2023.107323][ T72] fib6_rule_lookup+0x456/0x630 [ 2023.107323][ T72] ip6_route_input+0x59c/0xa50 [ 2023.107323][ T72] ipv6_rcv+0x397/0x810 [ 2023.107323][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2023.107323][ T72] process_backlog+0x101/0x620 [ 2023.107323][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2023.107323][ T72] net_rx_action+0x495/0xbe0 [ 2023.107323][ T72] __do_softirq+0x1b5/0x7f6 [ 2023.107323][ T72] [ 2023.109043][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2023.109043][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.109043][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.109043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.109043][ T72] ip6_route_add+0x1c/0x140 [ 2023.109043][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2023.109043][ T72] inet6_addr_add+0x4f8/0xa40 [ 2023.109043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.109043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.109043][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.109043][ T72] netlink_unicast+0x449/0x710 [ 2023.109043][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.109043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.109043][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.109043][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.109043][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.109043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.109043][ T72] [ 2023.111018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2023.111018][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.111018][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.111018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.111018][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2023.111018][ T72] ipv6_add_addr+0x411/0x2000 [ 2023.111018][ T72] inet6_addr_add+0x30e/0xa40 [ 2023.111018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.111018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.111018][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.111018][ T72] netlink_unicast+0x449/0x710 [ 2023.111018][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.111018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.111018][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.111018][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.111018][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.111018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.111018][ T72] [ 2023.113016][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2023.113016][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.113016][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.113016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.113016][ T72] ip6_route_add+0x1c/0x140 [ 2023.113016][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2023.113016][ T72] addrconf_add_dev+0xe2/0x170 [ 2023.113016][ T72] inet6_addr_add+0x12f/0xa40 [ 2023.113016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.113016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.113016][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.113016][ T72] netlink_unicast+0x449/0x710 [ 2023.113016][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.113016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.113016][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.113016][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.113016][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.113016][ T72] [ 2023.115028][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2023.115028][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2023.115028][ T72] ipv6_find_idev+0x102/0x170 [ 2023.115028][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.115028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.115028][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.115028][ T72] netlink_unicast+0x449/0x710 [ 2023.115028][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.115028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.115028][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.115028][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.115028][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.115028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.115028][ T72] [ 2023.116563][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2023.116563][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2023.116563][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2023.116563][ T72] ipv6_find_idev+0x102/0x170 [ 2023.116563][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.116563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.116563][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.116563][ T72] netlink_unicast+0x449/0x710 [ 2023.116563][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.116563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.116563][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.116563][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.116563][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.116563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.116563][ T72] [ 2023.118280][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2023.118554][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2023.118554][ T72] dst_init+0x84/0x4a0 [ 2023.118554][ T72] dst_alloc+0x97/0x150 [ 2023.118554][ T72] ip6_dst_alloc+0x23/0x90 [ 2023.118554][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2023.118554][ T72] ip6_pol_route+0x56f/0x840 [ 2023.118554][ T72] fib6_rule_lookup+0x456/0x630 [ 2023.118554][ T72] ip6_route_input+0x59c/0xa50 [ 2023.118554][ T72] ipv6_rcv+0x397/0x810 [ 2023.118554][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2023.118554][ T72] process_backlog+0x101/0x620 [ 2023.118554][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2023.118554][ T72] net_rx_action+0x495/0xbe0 [ 2023.118554][ T72] __do_softirq+0x1b5/0x7f6 [ 2023.118554][ T72] [ 2023.120190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2023.120190][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.120190][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.120190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.120190][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2023.120190][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2023.120190][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2023.120190][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2023.120190][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2023.120190][ T72] addrconf_dad_begin+0x310/0x670 [ 2023.120190][ T72] addrconf_dad_work+0x10b/0xab0 [ 2023.120190][ T72] process_one_work+0x84d/0x18a0 [ 2023.120190][ T72] worker_thread+0x587/0xd30 [ 2023.120190][ T72] kthread+0x28a/0x350 [ 2023.120190][ T72] ret_from_fork+0x31/0x70 [ 2023.120190][ T72] ret_from_fork_asm+0x1a/0x30 [ 2023.120190][ T72] [ 2023.122057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2023.122057][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.122057][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.122057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.122057][ T72] ip6_route_add+0x1c/0x140 [ 2023.122057][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2023.122057][ T72] inet6_addr_add+0x4f8/0xa40 [ 2023.122057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.122057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.122057][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.122057][ T72] netlink_unicast+0x449/0x710 [ 2023.122057][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.122057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.122057][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.122057][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.122057][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.122057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.122057][ T72] [ 2023.124015][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2023.124015][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.124015][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.124015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.124015][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2023.124015][ T72] ipv6_add_addr+0x411/0x2000 [ 2023.124015][ T72] inet6_addr_add+0x30e/0xa40 [ 2023.124015][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.124015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.124015][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.124015][ T72] netlink_unicast+0x449/0x710 [ 2023.124015][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.124015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.124015][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.124015][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.124015][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.124015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.124015][ T72] [ 2023.125976][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2023.125976][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.125976][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.125976][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.125976][ T72] ip6_route_add+0x1c/0x140 [ 2023.125976][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2023.125976][ T72] addrconf_add_dev+0xe2/0x170 [ 2023.125976][ T72] inet6_addr_add+0x12f/0xa40 [ 2023.125976][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.125976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.125976][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.125976][ T72] netlink_unicast+0x449/0x710 [ 2023.125976][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.125976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.125976][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.125976][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.125976][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.125976][ T72] [ 2023.127884][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2023.127884][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2023.127884][ T72] ipv6_find_idev+0x102/0x170 [ 2023.127884][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.127884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.127884][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.127884][ T72] netlink_unicast+0x449/0x710 [ 2023.127884][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.127884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.127884][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.127884][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.127884][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.127884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.127884][ T72] [ 2023.129410][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2023.129410][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2023.129410][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2023.129410][ T72] ipv6_find_idev+0x102/0x170 [ 2023.129410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.129410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.129410][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.129410][ T72] netlink_unicast+0x449/0x710 [ 2023.129410][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.129410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.129410][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.129410][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.129410][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.129410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.129410][ T72] [ 2023.131219][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2023.131490][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2023.131490][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2023.131490][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2023.131490][ T72] fib6_nh_init+0xa22/0x1580 [ 2023.131490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.131490][ T72] ip6_route_add+0x1c/0x140 [ 2023.131490][ T72] inet6_rtm_newroute+0x104/0x110 [ 2023.131490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.131490][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.131490][ T72] netlink_unicast+0x449/0x710 [ 2023.131490][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.131490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.131490][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.131490][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.131490][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.131490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.131490][ T72] [ 2023.133659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2023.133659][ T72] dst_init+0x84/0x4a0 [ 2023.133659][ T72] dst_alloc+0x97/0x150 [ 2023.133659][ T72] ip6_dst_alloc+0x23/0x90 [ 2023.133659][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2023.133659][ T72] ip6_pol_route+0x56f/0x840 [ 2023.133659][ T72] fib6_rule_lookup+0x456/0x630 [ 2023.133659][ T72] ip6_route_input+0x59c/0xa50 [ 2023.133659][ T72] ipv6_rcv+0x397/0x810 [ 2023.133659][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2023.133659][ T72] process_backlog+0x101/0x620 [ 2023.133659][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2023.133659][ T72] net_rx_action+0x495/0xbe0 [ 2023.133659][ T72] __do_softirq+0x1b5/0x7f6 [ 2023.133659][ T72] [ 2023.135473][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2023.135473][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.135473][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.135473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.135473][ T72] ip6_route_add+0x1c/0x140 [ 2023.135473][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2023.135473][ T72] inet6_addr_add+0x4f8/0xa40 [ 2023.135473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.135473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.135473][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.135473][ T72] netlink_unicast+0x449/0x710 [ 2023.135473][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.135473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.135473][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.135473][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.135473][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.135473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.135473][ T72] [ 2023.137685][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2023.137685][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.137685][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.137685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.137685][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2023.137685][ T72] ipv6_add_addr+0x411/0x2000 [ 2023.137685][ T72] inet6_addr_add+0x30e/0xa40 [ 2023.137685][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.137685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.137685][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.137685][ T72] netlink_unicast+0x449/0x710 [ 2023.137685][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.137685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.137685][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.137685][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.137685][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.137685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.137685][ T72] [ 2023.139882][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2023.139882][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.139882][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.139882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.139882][ T72] ip6_route_add+0x1c/0x140 [ 2023.139882][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2023.139882][ T72] addrconf_add_dev+0xe2/0x170 [ 2023.139882][ T72] inet6_addr_add+0x12f/0xa40 [ 2023.139882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.139882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.139882][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.139882][ T72] netlink_unicast+0x449/0x710 [ 2023.139882][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.139882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.139882][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.139882][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.139882][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.139882][ T72] [ 2023.142063][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2023.142063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2023.142063][ T72] ipv6_find_idev+0x102/0x170 [ 2023.142063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.142063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.142063][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.142063][ T72] netlink_unicast+0x449/0x710 [ 2023.142063][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.142063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.142063][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.142063][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.142063][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.142063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.142063][ T72] [ 2023.143889][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2023.143889][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2023.143889][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2023.143889][ T72] ipv6_find_idev+0x102/0x170 [ 2023.143889][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.143889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.143889][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.143889][ T72] netlink_unicast+0x449/0x710 [ 2023.143889][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.143889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.143889][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.143889][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.143889][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.143889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.143889][ T72] [ 2023.145762][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2023.146561][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2023.146561][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.146561][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.146561][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.146561][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2023.146561][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2023.146561][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2023.146561][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2023.146561][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2023.146561][ T72] addrconf_dad_begin+0x310/0x670 [ 2023.146561][ T72] addrconf_dad_work+0x10b/0xab0 [ 2023.146561][ T72] process_one_work+0x84d/0x18a0 [ 2023.146561][ T72] worker_thread+0x587/0xd30 [ 2023.146561][ T72] kthread+0x28a/0x350 [ 2023.146561][ T72] ret_from_fork+0x31/0x70 [ 2023.146561][ T72] ret_from_fork_asm+0x1a/0x30 [ 2023.146561][ T72] [ 2023.148475][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2023.148475][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.148475][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.148475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.148475][ T72] ip6_route_add+0x1c/0x140 [ 2023.148475][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2023.148475][ T72] inet6_addr_add+0x4f8/0xa40 [ 2023.148475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.148475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.148475][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.148475][ T72] netlink_unicast+0x449/0x710 [ 2023.148475][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.148475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.148475][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.148475][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.148475][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.148475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.148475][ T72] [ 2023.150495][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2023.150495][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.150495][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.150495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.150495][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2023.150495][ T72] ipv6_add_addr+0x411/0x2000 [ 2023.150495][ T72] inet6_addr_add+0x30e/0xa40 [ 2023.150495][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.150495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.150495][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.150495][ T72] netlink_unicast+0x449/0x710 [ 2023.150495][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.150495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.150495][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.150495][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.150495][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.150495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.150495][ T72] [ 2023.152734][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2023.152734][ T72] netdev_get_by_index+0x5e/0x80 [ 2023.152734][ T72] fib6_nh_init+0x3d8/0x1580 [ 2023.152734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2023.152734][ T72] ip6_route_add+0x1c/0x140 [ 2023.152734][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2023.152734][ T72] addrconf_add_dev+0xe2/0x170 [ 2023.152734][ T72] inet6_addr_add+0x12f/0xa40 [ 2023.152734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.152734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.152734][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.152734][ T72] netlink_unicast+0x449/0x710 [ 2023.152734][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.152734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.152734][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.152734][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.152734][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.152734][ T72] [ 2023.154906][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2023.154906][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2023.154906][ T72] ipv6_find_idev+0x102/0x170 [ 2023.154906][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.154906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.154906][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.154906][ T72] netlink_unicast+0x449/0x710 [ 2023.154906][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.154906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.154906][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.154906][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.154906][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.154906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.154906][ T72] [ 2023.156645][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2023.156645][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2023.156645][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2023.156645][ T72] ipv6_find_idev+0x102/0x170 [ 2023.156645][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.156645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.156645][ T72] netlink_rcv_skb+0x130/0x360 [ 2023.156645][ T72] netlink_unicast+0x449/0x710 [ 2023.156645][ T72] netlink_sendmsg+0x723/0xbe0 [ 2023.156645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2023.156645][ T72] ___sys_sendmsg+0xee/0x170 [ 2023.156645][ T72] __sys_sendmsg+0xcd/0x170 [ 2023.156645][ T72] do_syscall_64+0xc6/0x1e0 [ 2023.156645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.156645][ T72] [ 2033.400939][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2033.401475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2033.401475][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2033.401475][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2033.401475][ T72] fib6_nh_init+0xa22/0x1580 [ 2033.401475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.401475][ T72] ip6_route_add+0x1c/0x140 [ 2033.401475][ T72] inet6_rtm_newroute+0x104/0x110 [ 2033.401475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.401475][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.401475][ T72] netlink_unicast+0x449/0x710 [ 2033.401475][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.401475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.401475][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.401475][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.401475][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.401475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.401475][ T72] [ 2033.403378][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2033.403378][ T72] dst_init+0x84/0x4a0 [ 2033.403378][ T72] dst_alloc+0x97/0x150 [ 2033.403378][ T72] ip6_dst_alloc+0x23/0x90 [ 2033.403378][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.403378][ T72] ip6_pol_route+0x56f/0x840 [ 2033.403378][ T72] fib6_rule_lookup+0x456/0x630 [ 2033.403378][ T72] ip6_route_input+0x59c/0xa50 [ 2033.403378][ T72] ipv6_rcv+0x397/0x810 [ 2033.403378][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2033.403378][ T72] process_backlog+0x101/0x620 [ 2033.403378][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2033.403378][ T72] net_rx_action+0x495/0xbe0 [ 2033.403378][ T72] __do_softirq+0x1b5/0x7f6 [ 2033.403378][ T72] [ 2033.405007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2033.405007][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.405007][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.405007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.405007][ T72] ip6_route_add+0x1c/0x140 [ 2033.405007][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2033.405007][ T72] inet6_addr_add+0x4f8/0xa40 [ 2033.405007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.405007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.405007][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.405007][ T72] netlink_unicast+0x449/0x710 [ 2033.405007][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.405007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.405007][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.405007][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.405007][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.405007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.405007][ T72] [ 2033.407005][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2033.407005][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.407005][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.407005][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.407005][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2033.407005][ T72] ipv6_add_addr+0x411/0x2000 [ 2033.407005][ T72] inet6_addr_add+0x30e/0xa40 [ 2033.407005][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.407005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.407005][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.407005][ T72] netlink_unicast+0x449/0x710 [ 2033.407005][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.407005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.407005][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.407005][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.407005][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.407005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.407005][ T72] [ 2033.408969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2033.408969][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.408969][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.408969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.408969][ T72] ip6_route_add+0x1c/0x140 [ 2033.408969][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2033.408969][ T72] addrconf_add_dev+0xe2/0x170 [ 2033.408969][ T72] inet6_addr_add+0x12f/0xa40 [ 2033.408969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.408969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.408969][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.408969][ T72] netlink_unicast+0x449/0x710 [ 2033.408969][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.408969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.408969][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.408969][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.408969][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.408969][ T72] [ 2033.410961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2033.410961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2033.410961][ T72] ipv6_find_idev+0x102/0x170 [ 2033.410961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.410961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.410961][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.410961][ T72] netlink_unicast+0x449/0x710 [ 2033.410961][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.410961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.410961][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.410961][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.410961][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.410961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.410961][ T72] [ 2033.412521][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2033.412521][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2033.412521][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2033.412521][ T72] ipv6_find_idev+0x102/0x170 [ 2033.412521][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.412521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.412521][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.412521][ T72] netlink_unicast+0x449/0x710 [ 2033.412521][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.412521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.412521][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.412521][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.412521][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.412521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.412521][ T72] [ 2033.414230][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2033.414506][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2033.414506][ T72] dst_init+0x84/0x4a0 [ 2033.414506][ T72] dst_alloc+0x97/0x150 [ 2033.414506][ T72] ip6_dst_alloc+0x23/0x90 [ 2033.414506][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.414506][ T72] ip6_pol_route+0x56f/0x840 [ 2033.414506][ T72] fib6_rule_lookup+0x456/0x630 [ 2033.414506][ T72] ip6_route_input+0x59c/0xa50 [ 2033.414506][ T72] ipv6_rcv+0x397/0x810 [ 2033.414506][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2033.414506][ T72] process_backlog+0x101/0x620 [ 2033.414506][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2033.414506][ T72] net_rx_action+0x495/0xbe0 [ 2033.414506][ T72] __do_softirq+0x1b5/0x7f6 [ 2033.414506][ T72] [ 2033.416166][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2033.416166][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.416166][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.416166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.416166][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2033.416166][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2033.416166][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2033.416166][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2033.416166][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2033.416166][ T72] addrconf_dad_begin+0x310/0x670 [ 2033.416166][ T72] addrconf_dad_work+0x10b/0xab0 [ 2033.416166][ T72] process_one_work+0x84d/0x18a0 [ 2033.416166][ T72] worker_thread+0x587/0xd30 [ 2033.416166][ T72] kthread+0x28a/0x350 [ 2033.416166][ T72] ret_from_fork+0x31/0x70 [ 2033.416166][ T72] ret_from_fork_asm+0x1a/0x30 [ 2033.416166][ T72] [ 2033.418042][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2033.418042][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.418042][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.418042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.418042][ T72] ip6_route_add+0x1c/0x140 [ 2033.418042][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2033.418042][ T72] inet6_addr_add+0x4f8/0xa40 [ 2033.418042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.418042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.418042][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.418042][ T72] netlink_unicast+0x449/0x710 [ 2033.418042][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.418042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.418042][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.418042][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.418042][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.418042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.418042][ T72] [ 2033.420049][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2033.420049][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.420049][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.420049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.420049][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2033.420049][ T72] ipv6_add_addr+0x411/0x2000 [ 2033.420049][ T72] inet6_addr_add+0x30e/0xa40 [ 2033.420049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.420049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.420049][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.420049][ T72] netlink_unicast+0x449/0x710 [ 2033.420049][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.420049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.420049][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.420049][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.420049][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.420049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.420049][ T72] [ 2033.422083][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2033.422083][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.422083][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.422083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.422083][ T72] ip6_route_add+0x1c/0x140 [ 2033.422083][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2033.422083][ T72] addrconf_add_dev+0xe2/0x170 [ 2033.422083][ T72] inet6_addr_add+0x12f/0xa40 [ 2033.422083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.422083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.422083][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.422083][ T72] netlink_unicast+0x449/0x710 [ 2033.422083][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.422083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.422083][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.422083][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.422083][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.422083][ T72] [ 2033.424013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2033.424013][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2033.424013][ T72] ipv6_find_idev+0x102/0x170 [ 2033.424013][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.424013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.424013][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.424013][ T72] netlink_unicast+0x449/0x710 [ 2033.424013][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.424013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.424013][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.424013][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.424013][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.424013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.424013][ T72] [ 2033.425534][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2033.425534][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2033.425534][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2033.425534][ T72] ipv6_find_idev+0x102/0x170 [ 2033.425534][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.425534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.425534][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.425534][ T72] netlink_unicast+0x449/0x710 [ 2033.425534][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.425534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.425534][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.425534][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.425534][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.425534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.425534][ T72] [ 2033.427846][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2033.428123][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2033.428123][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2033.428123][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2033.428123][ T72] fib6_nh_init+0xa22/0x1580 [ 2033.428123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.428123][ T72] ip6_route_add+0x1c/0x140 [ 2033.428123][ T72] inet6_rtm_newroute+0x104/0x110 [ 2033.428123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.428123][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.428123][ T72] netlink_unicast+0x449/0x710 [ 2033.428123][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.428123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.428123][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.428123][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.428123][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.428123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.428123][ T72] [ 2033.430219][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2033.430219][ T72] dst_init+0x84/0x4a0 [ 2033.430219][ T72] dst_alloc+0x97/0x150 [ 2033.430219][ T72] ip6_dst_alloc+0x23/0x90 [ 2033.430219][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.430219][ T72] ip6_pol_route+0x56f/0x840 [ 2033.430219][ T72] fib6_rule_lookup+0x456/0x630 [ 2033.430219][ T72] ip6_route_input+0x59c/0xa50 [ 2033.430219][ T72] ipv6_rcv+0x397/0x810 [ 2033.430219][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2033.430219][ T72] process_backlog+0x101/0x620 [ 2033.430219][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2033.430219][ T72] net_rx_action+0x495/0xbe0 [ 2033.430219][ T72] __do_softirq+0x1b5/0x7f6 [ 2033.430219][ T72] [ 2033.431912][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2033.431912][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.431912][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.431912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.431912][ T72] ip6_route_add+0x1c/0x140 [ 2033.431912][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2033.431912][ T72] inet6_addr_add+0x4f8/0xa40 [ 2033.431912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.431912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.431912][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.431912][ T72] netlink_unicast+0x449/0x710 [ 2033.431912][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.431912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.431912][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.431912][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.431912][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.431912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.431912][ T72] [ 2033.434075][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2033.434075][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.434075][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.434075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.434075][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2033.434075][ T72] ipv6_add_addr+0x411/0x2000 [ 2033.434075][ T72] inet6_addr_add+0x30e/0xa40 [ 2033.434075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.434075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.434075][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.434075][ T72] netlink_unicast+0x449/0x710 [ 2033.434075][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.434075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.434075][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.434075][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.434075][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.434075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.434075][ T72] [ 2033.436204][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2033.436204][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.436204][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.436204][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.436204][ T72] ip6_route_add+0x1c/0x140 [ 2033.436204][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2033.436204][ T72] addrconf_add_dev+0xe2/0x170 [ 2033.436204][ T72] inet6_addr_add+0x12f/0xa40 [ 2033.436204][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.436204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.436204][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.436204][ T72] netlink_unicast+0x449/0x710 [ 2033.436204][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.436204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.436204][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.436204][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.436204][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.436204][ T72] [ 2033.438334][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2033.438334][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2033.438334][ T72] ipv6_find_idev+0x102/0x170 [ 2033.438334][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.438334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.438334][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.438334][ T72] netlink_unicast+0x449/0x710 [ 2033.438334][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.438334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.438334][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.438334][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.438334][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.438334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.438334][ T72] [ 2033.439941][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2033.439941][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2033.439941][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2033.439941][ T72] ipv6_find_idev+0x102/0x170 [ 2033.439941][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.439941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.439941][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.439941][ T72] netlink_unicast+0x449/0x710 [ 2033.439941][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.439941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.439941][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.439941][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.439941][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.439941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.439941][ T72] [ 2033.442130][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2033.442407][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2033.442407][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.442407][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.442407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.442407][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2033.442407][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2033.442407][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2033.442407][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2033.442407][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2033.442407][ T72] addrconf_dad_begin+0x310/0x670 [ 2033.442407][ T72] addrconf_dad_work+0x10b/0xab0 [ 2033.442407][ T72] process_one_work+0x84d/0x18a0 [ 2033.442407][ T72] worker_thread+0x587/0xd30 [ 2033.442407][ T72] kthread+0x28a/0x350 [ 2033.442407][ T72] ret_from_fork+0x31/0x70 [ 2033.442407][ T72] ret_from_fork_asm+0x1a/0x30 [ 2033.442407][ T72] [ 2033.444445][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2033.444445][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.444445][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.444445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.444445][ T72] ip6_route_add+0x1c/0x140 [ 2033.444445][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2033.444445][ T72] inet6_addr_add+0x4f8/0xa40 [ 2033.444445][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.444445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.444445][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.444445][ T72] netlink_unicast+0x449/0x710 [ 2033.444445][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.444445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.444445][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.444445][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.444445][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.444445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.444445][ T72] [ 2033.446576][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2033.446576][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.446576][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.446576][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.446576][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2033.446576][ T72] ipv6_add_addr+0x411/0x2000 [ 2033.446576][ T72] inet6_addr_add+0x30e/0xa40 [ 2033.446576][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.446576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.446576][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.446576][ T72] netlink_unicast+0x449/0x710 [ 2033.446576][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.446576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.446576][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.446576][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.446576][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.446576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.446576][ T72] [ 2033.448720][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2033.448720][ T72] netdev_get_by_index+0x5e/0x80 [ 2033.448720][ T72] fib6_nh_init+0x3d8/0x1580 [ 2033.448720][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2033.448720][ T72] ip6_route_add+0x1c/0x140 [ 2033.448720][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2033.448720][ T72] addrconf_add_dev+0xe2/0x170 [ 2033.448720][ T72] inet6_addr_add+0x12f/0xa40 [ 2033.448720][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.448720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.448720][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.448720][ T72] netlink_unicast+0x449/0x710 [ 2033.448720][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.448720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.448720][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.448720][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.448720][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.448720][ T72] [ 2033.450850][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2033.450850][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2033.450850][ T72] ipv6_find_idev+0x102/0x170 [ 2033.450850][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.450850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.450850][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.450850][ T72] netlink_unicast+0x449/0x710 [ 2033.450850][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.450850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.450850][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.450850][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.450850][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.450850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.450850][ T72] [ 2033.452472][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2033.452472][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2033.452472][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2033.452472][ T72] ipv6_find_idev+0x102/0x170 [ 2033.452472][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.452472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.452472][ T72] netlink_rcv_skb+0x130/0x360 [ 2033.452472][ T72] netlink_unicast+0x449/0x710 [ 2033.452472][ T72] netlink_sendmsg+0x723/0xbe0 [ 2033.452472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2033.452472][ T72] ___sys_sendmsg+0xee/0x170 [ 2033.452472][ T72] __sys_sendmsg+0xcd/0x170 [ 2033.452472][ T72] do_syscall_64+0xc6/0x1e0 [ 2033.452472][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.452472][ T72] [ 2043.696989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2043.697491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2043.697491][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2043.697491][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2043.697491][ T72] fib6_nh_init+0xa22/0x1580 [ 2043.697491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.697491][ T72] ip6_route_add+0x1c/0x140 [ 2043.697491][ T72] inet6_rtm_newroute+0x104/0x110 [ 2043.697491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.697491][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.697491][ T72] netlink_unicast+0x449/0x710 [ 2043.697491][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.697491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.697491][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.697491][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.697491][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.697491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.697491][ T72] [ 2043.699405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2043.699405][ T72] dst_init+0x84/0x4a0 [ 2043.699405][ T72] dst_alloc+0x97/0x150 [ 2043.699405][ T72] ip6_dst_alloc+0x23/0x90 [ 2043.699405][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.699405][ T72] ip6_pol_route+0x56f/0x840 [ 2043.699405][ T72] fib6_rule_lookup+0x456/0x630 [ 2043.699405][ T72] ip6_route_input+0x59c/0xa50 [ 2043.699405][ T72] ipv6_rcv+0x397/0x810 [ 2043.699405][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2043.699405][ T72] process_backlog+0x101/0x620 [ 2043.699405][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2043.699405][ T72] net_rx_action+0x495/0xbe0 [ 2043.699405][ T72] __do_softirq+0x1b5/0x7f6 [ 2043.699405][ T72] [ 2043.701055][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2043.701055][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.701055][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.701055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.701055][ T72] ip6_route_add+0x1c/0x140 [ 2043.701055][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2043.701055][ T72] inet6_addr_add+0x4f8/0xa40 [ 2043.701055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.701055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.701055][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.701055][ T72] netlink_unicast+0x449/0x710 [ 2043.701055][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.701055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.701055][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.701055][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.701055][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.701055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.701055][ T72] [ 2043.703126][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2043.703126][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.703126][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.703126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.703126][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2043.703126][ T72] ipv6_add_addr+0x411/0x2000 [ 2043.703126][ T72] inet6_addr_add+0x30e/0xa40 [ 2043.703126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.703126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.703126][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.703126][ T72] netlink_unicast+0x449/0x710 [ 2043.703126][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.703126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.703126][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.703126][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.703126][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.703126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.703126][ T72] [ 2043.705147][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2043.705147][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.705147][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.705147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.705147][ T72] ip6_route_add+0x1c/0x140 [ 2043.705147][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2043.705147][ T72] addrconf_add_dev+0xe2/0x170 [ 2043.705147][ T72] inet6_addr_add+0x12f/0xa40 [ 2043.705147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.705147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.705147][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.705147][ T72] netlink_unicast+0x449/0x710 [ 2043.705147][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.705147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.705147][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.705147][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.705147][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.705147][ T72] [ 2043.707120][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2043.707120][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2043.707120][ T72] ipv6_find_idev+0x102/0x170 [ 2043.707120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.707120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.707120][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.707120][ T72] netlink_unicast+0x449/0x710 [ 2043.707120][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.707120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.707120][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.707120][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.707120][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.707120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.707120][ T72] [ 2043.708671][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2043.708671][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2043.708671][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2043.708671][ T72] ipv6_find_idev+0x102/0x170 [ 2043.708671][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.708671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.708671][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.708671][ T72] netlink_unicast+0x449/0x710 [ 2043.708671][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.708671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.708671][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.708671][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.708671][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.708671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.708671][ T72] [ 2043.710370][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2043.710658][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2043.710658][ T72] dst_init+0x84/0x4a0 [ 2043.710658][ T72] dst_alloc+0x97/0x150 [ 2043.710658][ T72] ip6_dst_alloc+0x23/0x90 [ 2043.710658][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.710658][ T72] ip6_pol_route+0x56f/0x840 [ 2043.710658][ T72] fib6_rule_lookup+0x456/0x630 [ 2043.710658][ T72] ip6_route_input+0x59c/0xa50 [ 2043.710658][ T72] ipv6_rcv+0x397/0x810 [ 2043.710658][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2043.710658][ T72] process_backlog+0x101/0x620 [ 2043.710658][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2043.710658][ T72] net_rx_action+0x495/0xbe0 [ 2043.710658][ T72] __do_softirq+0x1b5/0x7f6 [ 2043.710658][ T72] [ 2043.712295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2043.712295][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.712295][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.712295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.712295][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2043.712295][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2043.712295][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2043.712295][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2043.712295][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2043.712295][ T72] addrconf_dad_begin+0x310/0x670 [ 2043.712295][ T72] addrconf_dad_work+0x10b/0xab0 [ 2043.712295][ T72] process_one_work+0x84d/0x18a0 [ 2043.712295][ T72] worker_thread+0x587/0xd30 [ 2043.712295][ T72] kthread+0x28a/0x350 [ 2043.712295][ T72] ret_from_fork+0x31/0x70 [ 2043.712295][ T72] ret_from_fork_asm+0x1a/0x30 [ 2043.712295][ T72] [ 2043.714223][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2043.714223][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.714223][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.714223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.714223][ T72] ip6_route_add+0x1c/0x140 [ 2043.714223][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2043.714223][ T72] inet6_addr_add+0x4f8/0xa40 [ 2043.714223][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.714223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.714223][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.714223][ T72] netlink_unicast+0x449/0x710 [ 2043.714223][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.714223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.714223][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.714223][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.714223][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.714223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.714223][ T72] [ 2043.716200][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2043.716200][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.716200][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.716200][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.716200][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2043.716200][ T72] ipv6_add_addr+0x411/0x2000 [ 2043.716200][ T72] inet6_addr_add+0x30e/0xa40 [ 2043.716200][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.716200][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.716200][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.716200][ T72] netlink_unicast+0x449/0x710 [ 2043.716200][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.716200][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.716200][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.716200][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.716200][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.716200][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.716200][ T72] [ 2043.718185][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2043.718185][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.718185][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.718185][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.718185][ T72] ip6_route_add+0x1c/0x140 [ 2043.718185][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2043.718185][ T72] addrconf_add_dev+0xe2/0x170 [ 2043.718185][ T72] inet6_addr_add+0x12f/0xa40 [ 2043.718185][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.718185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.718185][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.718185][ T72] netlink_unicast+0x449/0x710 [ 2043.718185][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.718185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.718185][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.718185][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.718185][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.718185][ T72] [ 2043.720146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2043.720146][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2043.720146][ T72] ipv6_find_idev+0x102/0x170 [ 2043.720146][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.720146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.720146][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.720146][ T72] netlink_unicast+0x449/0x710 [ 2043.720146][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.720146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.720146][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.720146][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.720146][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.720146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.720146][ T72] [ 2043.721664][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2043.721664][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2043.721664][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2043.721664][ T72] ipv6_find_idev+0x102/0x170 [ 2043.721664][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.721664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.721664][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.721664][ T72] netlink_unicast+0x449/0x710 [ 2043.721664][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.721664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.721664][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.721664][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.721664][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.721664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.721664][ T72] [ 2043.723400][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2043.723733][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2043.723733][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2043.723733][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2043.723733][ T72] fib6_nh_init+0xa22/0x1580 [ 2043.723733][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.723733][ T72] ip6_route_add+0x1c/0x140 [ 2043.723733][ T72] inet6_rtm_newroute+0x104/0x110 [ 2043.723733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.723733][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.723733][ T72] netlink_unicast+0x449/0x710 [ 2043.723733][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.723733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.723733][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.723733][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.723733][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.723733][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.723733][ T72] [ 2043.725786][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2043.725786][ T72] dst_init+0x84/0x4a0 [ 2043.725786][ T72] dst_alloc+0x97/0x150 [ 2043.725786][ T72] ip6_dst_alloc+0x23/0x90 [ 2043.725786][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.725786][ T72] ip6_pol_route+0x56f/0x840 [ 2043.725786][ T72] fib6_rule_lookup+0x456/0x630 [ 2043.725786][ T72] ip6_route_input+0x59c/0xa50 [ 2043.725786][ T72] ipv6_rcv+0x397/0x810 [ 2043.725786][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2043.725786][ T72] process_backlog+0x101/0x620 [ 2043.725786][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2043.725786][ T72] net_rx_action+0x495/0xbe0 [ 2043.725786][ T72] __do_softirq+0x1b5/0x7f6 [ 2043.725786][ T72] [ 2043.727597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2043.727597][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.727597][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.727597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.727597][ T72] ip6_route_add+0x1c/0x140 [ 2043.727597][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2043.727597][ T72] inet6_addr_add+0x4f8/0xa40 [ 2043.727597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.727597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.727597][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.727597][ T72] netlink_unicast+0x449/0x710 [ 2043.727597][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.727597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.727597][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.727597][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.727597][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.727597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.727597][ T72] [ 2043.730416][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2043.730416][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.730416][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.730416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.730416][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2043.730416][ T72] ipv6_add_addr+0x411/0x2000 [ 2043.730416][ T72] inet6_addr_add+0x30e/0xa40 [ 2043.730416][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.730416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.730416][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.730416][ T72] netlink_unicast+0x449/0x710 [ 2043.730416][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.730416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.730416][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.730416][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.730416][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.730416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.730416][ T72] [ 2043.732635][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2043.732635][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.732635][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.732635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.732635][ T72] ip6_route_add+0x1c/0x140 [ 2043.732635][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2043.732635][ T72] addrconf_add_dev+0xe2/0x170 [ 2043.732635][ T72] inet6_addr_add+0x12f/0xa40 [ 2043.732635][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.732635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.732635][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.732635][ T72] netlink_unicast+0x449/0x710 [ 2043.732635][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.732635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.732635][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.732635][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.732635][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.732635][ T72] [ 2043.734820][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2043.734820][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2043.734820][ T72] ipv6_find_idev+0x102/0x170 [ 2043.734820][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.734820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.734820][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.734820][ T72] netlink_unicast+0x449/0x710 [ 2043.734820][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.734820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.734820][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.734820][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.734820][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.734820][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.734820][ T72] [ 2043.736527][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2043.736527][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2043.736527][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2043.736527][ T72] ipv6_find_idev+0x102/0x170 [ 2043.736527][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.736527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.736527][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.736527][ T72] netlink_unicast+0x449/0x710 [ 2043.736527][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.736527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.736527][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.736527][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.736527][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.736527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.736527][ T72] [ 2043.738774][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2043.739618][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2043.739618][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.739618][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.739618][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.739618][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2043.739618][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2043.739618][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2043.739618][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2043.739618][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2043.739618][ T72] addrconf_dad_begin+0x310/0x670 [ 2043.739618][ T72] addrconf_dad_work+0x10b/0xab0 [ 2043.739618][ T72] process_one_work+0x84d/0x18a0 [ 2043.739618][ T72] worker_thread+0x587/0xd30 [ 2043.739618][ T72] kthread+0x28a/0x350 [ 2043.739618][ T72] ret_from_fork+0x31/0x70 [ 2043.739618][ T72] ret_from_fork_asm+0x1a/0x30 [ 2043.739618][ T72] [ 2043.741506][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2043.741506][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.741506][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.741506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.741506][ T72] ip6_route_add+0x1c/0x140 [ 2043.741506][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2043.741506][ T72] inet6_addr_add+0x4f8/0xa40 [ 2043.741506][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.741506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.741506][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.741506][ T72] netlink_unicast+0x449/0x710 [ 2043.741506][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.741506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.741506][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.741506][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.741506][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.741506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.741506][ T72] [ 2043.743553][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2043.743553][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.743553][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.743553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.743553][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2043.743553][ T72] ipv6_add_addr+0x411/0x2000 [ 2043.743553][ T72] inet6_addr_add+0x30e/0xa40 [ 2043.743553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.743553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.743553][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.743553][ T72] netlink_unicast+0x449/0x710 [ 2043.743553][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.743553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.743553][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.743553][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.743553][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.743553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.743553][ T72] [ 2043.745773][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2043.745773][ T72] netdev_get_by_index+0x5e/0x80 [ 2043.745773][ T72] fib6_nh_init+0x3d8/0x1580 [ 2043.745773][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2043.745773][ T72] ip6_route_add+0x1c/0x140 [ 2043.745773][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2043.745773][ T72] addrconf_add_dev+0xe2/0x170 [ 2043.745773][ T72] inet6_addr_add+0x12f/0xa40 [ 2043.745773][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.745773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.745773][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.745773][ T72] netlink_unicast+0x449/0x710 [ 2043.745773][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.745773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.745773][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.745773][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.745773][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.745773][ T72] [ 2043.747961][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2043.747961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2043.747961][ T72] ipv6_find_idev+0x102/0x170 [ 2043.747961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.747961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.747961][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.747961][ T72] netlink_unicast+0x449/0x710 [ 2043.747961][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.747961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.747961][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.747961][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.747961][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.747961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.747961][ T72] [ 2043.749703][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2043.749703][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2043.749703][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2043.749703][ T72] ipv6_find_idev+0x102/0x170 [ 2043.749703][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.749703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.749703][ T72] netlink_rcv_skb+0x130/0x360 [ 2043.749703][ T72] netlink_unicast+0x449/0x710 [ 2043.749703][ T72] netlink_sendmsg+0x723/0xbe0 [ 2043.749703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2043.749703][ T72] ___sys_sendmsg+0xee/0x170 [ 2043.749703][ T72] __sys_sendmsg+0xcd/0x170 [ 2043.749703][ T72] do_syscall_64+0xc6/0x1e0 [ 2043.749703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.749703][ T72] [ 2053.880973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2053.881481][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2053.881481][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2053.881481][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2053.881481][ T72] fib6_nh_init+0xa22/0x1580 [ 2053.881481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.881481][ T72] ip6_route_add+0x1c/0x140 [ 2053.881481][ T72] inet6_rtm_newroute+0x104/0x110 [ 2053.881481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.881481][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.881481][ T72] netlink_unicast+0x449/0x710 [ 2053.881481][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.881481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.881481][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.881481][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.881481][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.881481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.881481][ T72] [ 2053.883718][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2053.883718][ T72] dst_init+0x84/0x4a0 [ 2053.883718][ T72] dst_alloc+0x97/0x150 [ 2053.883718][ T72] ip6_dst_alloc+0x23/0x90 [ 2053.883718][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.883718][ T72] ip6_pol_route+0x56f/0x840 [ 2053.883718][ T72] fib6_rule_lookup+0x456/0x630 [ 2053.883718][ T72] ip6_route_input+0x59c/0xa50 [ 2053.883718][ T72] ipv6_rcv+0x397/0x810 [ 2053.883718][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2053.883718][ T72] process_backlog+0x101/0x620 [ 2053.883718][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2053.883718][ T72] net_rx_action+0x495/0xbe0 [ 2053.883718][ T72] __do_softirq+0x1b5/0x7f6 [ 2053.883718][ T72] [ 2053.885331][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2053.885331][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.885331][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.885331][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.885331][ T72] ip6_route_add+0x1c/0x140 [ 2053.885331][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2053.885331][ T72] inet6_addr_add+0x4f8/0xa40 [ 2053.885331][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.885331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.885331][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.885331][ T72] netlink_unicast+0x449/0x710 [ 2053.885331][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.885331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.885331][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.885331][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.885331][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.885331][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.885331][ T72] [ 2053.887283][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2053.887283][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.887283][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.887283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.887283][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2053.887283][ T72] ipv6_add_addr+0x411/0x2000 [ 2053.887283][ T72] inet6_addr_add+0x30e/0xa40 [ 2053.887283][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.887283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.887283][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.887283][ T72] netlink_unicast+0x449/0x710 [ 2053.887283][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.887283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.887283][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.887283][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.887283][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.887283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.887283][ T72] [ 2053.889385][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2053.889385][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.889385][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.889385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.889385][ T72] ip6_route_add+0x1c/0x140 [ 2053.889385][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2053.889385][ T72] addrconf_add_dev+0xe2/0x170 [ 2053.889385][ T72] inet6_addr_add+0x12f/0xa40 [ 2053.889385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.889385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.889385][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.889385][ T72] netlink_unicast+0x449/0x710 [ 2053.889385][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.889385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.889385][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.889385][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.889385][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.889385][ T72] [ 2053.891339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2053.891339][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2053.891339][ T72] ipv6_find_idev+0x102/0x170 [ 2053.891339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.891339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.891339][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.891339][ T72] netlink_unicast+0x449/0x710 [ 2053.891339][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.891339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.891339][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.891339][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.891339][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.891339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.891339][ T72] [ 2053.892866][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2053.892866][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2053.892866][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2053.892866][ T72] ipv6_find_idev+0x102/0x170 [ 2053.892866][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.892866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.892866][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.892866][ T72] netlink_unicast+0x449/0x710 [ 2053.892866][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.892866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.892866][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.892866][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.892866][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.892866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.892866][ T72] [ 2053.894559][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2053.894830][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2053.894830][ T72] dst_init+0x84/0x4a0 [ 2053.894830][ T72] dst_alloc+0x97/0x150 [ 2053.894830][ T72] ip6_dst_alloc+0x23/0x90 [ 2053.894830][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.894830][ T72] ip6_pol_route+0x56f/0x840 [ 2053.894830][ T72] fib6_rule_lookup+0x456/0x630 [ 2053.894830][ T72] ip6_route_input+0x59c/0xa50 [ 2053.894830][ T72] ipv6_rcv+0x397/0x810 [ 2053.894830][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2053.894830][ T72] process_backlog+0x101/0x620 [ 2053.894830][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2053.894830][ T72] net_rx_action+0x495/0xbe0 [ 2053.894830][ T72] __do_softirq+0x1b5/0x7f6 [ 2053.894830][ T72] [ 2053.896461][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2053.896461][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.896461][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.896461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.896461][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2053.896461][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2053.896461][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2053.896461][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2053.896461][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2053.896461][ T72] addrconf_dad_begin+0x310/0x670 [ 2053.896461][ T72] addrconf_dad_work+0x10b/0xab0 [ 2053.896461][ T72] process_one_work+0x84d/0x18a0 [ 2053.896461][ T72] worker_thread+0x587/0xd30 [ 2053.896461][ T72] kthread+0x28a/0x350 [ 2053.896461][ T72] ret_from_fork+0x31/0x70 [ 2053.896461][ T72] ret_from_fork_asm+0x1a/0x30 [ 2053.896461][ T72] [ 2053.898361][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2053.898361][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.898361][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.898361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.898361][ T72] ip6_route_add+0x1c/0x140 [ 2053.898361][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2053.898361][ T72] inet6_addr_add+0x4f8/0xa40 [ 2053.898361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.898361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.898361][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.898361][ T72] netlink_unicast+0x449/0x710 [ 2053.898361][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.898361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.898361][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.898361][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.898361][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.898361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.898361][ T72] [ 2053.900339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2053.900339][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.900339][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.900339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.900339][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2053.900339][ T72] ipv6_add_addr+0x411/0x2000 [ 2053.900339][ T72] inet6_addr_add+0x30e/0xa40 [ 2053.900339][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.900339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.900339][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.900339][ T72] netlink_unicast+0x449/0x710 [ 2053.900339][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.900339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.900339][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.900339][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.900339][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.900339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.900339][ T72] [ 2053.902385][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2053.902385][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.902385][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.902385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.902385][ T72] ip6_route_add+0x1c/0x140 [ 2053.902385][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2053.902385][ T72] addrconf_add_dev+0xe2/0x170 [ 2053.902385][ T72] inet6_addr_add+0x12f/0xa40 [ 2053.902385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.902385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.902385][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.902385][ T72] netlink_unicast+0x449/0x710 [ 2053.902385][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.902385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.902385][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.902385][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.902385][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.902385][ T72] [ 2053.904330][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2053.904330][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2053.904330][ T72] ipv6_find_idev+0x102/0x170 [ 2053.904330][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.904330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.904330][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.904330][ T72] netlink_unicast+0x449/0x710 [ 2053.904330][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.904330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.904330][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.904330][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.904330][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.904330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.904330][ T72] [ 2053.905868][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2053.905868][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2053.905868][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2053.905868][ T72] ipv6_find_idev+0x102/0x170 [ 2053.905868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.905868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.905868][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.905868][ T72] netlink_unicast+0x449/0x710 [ 2053.905868][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.905868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.905868][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.905868][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.905868][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.905868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.905868][ T72] [ 2053.907612][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2053.907960][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2053.907960][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2053.907960][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2053.907960][ T72] fib6_nh_init+0xa22/0x1580 [ 2053.907960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.907960][ T72] ip6_route_add+0x1c/0x140 [ 2053.907960][ T72] inet6_rtm_newroute+0x104/0x110 [ 2053.907960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.907960][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.907960][ T72] netlink_unicast+0x449/0x710 [ 2053.907960][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.907960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.907960][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.907960][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.907960][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.907960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.907960][ T72] [ 2053.910027][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2053.910027][ T72] dst_init+0x84/0x4a0 [ 2053.910027][ T72] dst_alloc+0x97/0x150 [ 2053.910027][ T72] ip6_dst_alloc+0x23/0x90 [ 2053.910027][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.910027][ T72] ip6_pol_route+0x56f/0x840 [ 2053.910027][ T72] fib6_rule_lookup+0x456/0x630 [ 2053.910027][ T72] ip6_route_input+0x59c/0xa50 [ 2053.910027][ T72] ipv6_rcv+0x397/0x810 [ 2053.910027][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2053.910027][ T72] process_backlog+0x101/0x620 [ 2053.910027][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2053.910027][ T72] net_rx_action+0x495/0xbe0 [ 2053.910027][ T72] __do_softirq+0x1b5/0x7f6 [ 2053.910027][ T72] [ 2053.911849][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2053.911849][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.911849][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.911849][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.911849][ T72] ip6_route_add+0x1c/0x140 [ 2053.911849][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2053.911849][ T72] inet6_addr_add+0x4f8/0xa40 [ 2053.911849][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.911849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.911849][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.911849][ T72] netlink_unicast+0x449/0x710 [ 2053.911849][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.911849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.911849][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.911849][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.911849][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.911849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.911849][ T72] [ 2053.914104][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2053.914104][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.914104][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.914104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.914104][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2053.914104][ T72] ipv6_add_addr+0x411/0x2000 [ 2053.914104][ T72] inet6_addr_add+0x30e/0xa40 [ 2053.914104][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.914104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.914104][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.914104][ T72] netlink_unicast+0x449/0x710 [ 2053.914104][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.914104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.914104][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.914104][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.914104][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.914104][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.914104][ T72] [ 2053.916284][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2053.916284][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.916284][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.916284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.916284][ T72] ip6_route_add+0x1c/0x140 [ 2053.916284][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2053.916284][ T72] addrconf_add_dev+0xe2/0x170 [ 2053.916284][ T72] inet6_addr_add+0x12f/0xa40 [ 2053.916284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.916284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.916284][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.916284][ T72] netlink_unicast+0x449/0x710 [ 2053.916284][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.916284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.916284][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.916284][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.916284][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.916284][ T72] [ 2053.918540][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2053.918540][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2053.918540][ T72] ipv6_find_idev+0x102/0x170 [ 2053.918540][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.918540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.918540][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.918540][ T72] netlink_unicast+0x449/0x710 [ 2053.918540][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.918540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.918540][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.918540][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.918540][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.918540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.918540][ T72] [ 2053.920286][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2053.920286][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2053.920286][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2053.920286][ T72] ipv6_find_idev+0x102/0x170 [ 2053.920286][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.920286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.920286][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.920286][ T72] netlink_unicast+0x449/0x710 [ 2053.920286][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.920286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.920286][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.920286][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.920286][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.920286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.920286][ T72] [ 2053.922161][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2053.922436][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2053.922436][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.922436][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.922436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.922436][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2053.922436][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2053.922436][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2053.922436][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2053.922436][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2053.922436][ T72] addrconf_dad_begin+0x310/0x670 [ 2053.922436][ T72] addrconf_dad_work+0x10b/0xab0 [ 2053.922436][ T72] process_one_work+0x84d/0x18a0 [ 2053.922436][ T72] worker_thread+0x587/0xd30 [ 2053.922436][ T72] kthread+0x28a/0x350 [ 2053.922436][ T72] ret_from_fork+0x31/0x70 [ 2053.922436][ T72] ret_from_fork_asm+0x1a/0x30 [ 2053.922436][ T72] [ 2053.924578][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2053.924578][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.924578][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.924578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.924578][ T72] ip6_route_add+0x1c/0x140 [ 2053.924578][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2053.924578][ T72] inet6_addr_add+0x4f8/0xa40 [ 2053.924578][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.924578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.924578][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.924578][ T72] netlink_unicast+0x449/0x710 [ 2053.924578][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.924578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.924578][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.924578][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.924578][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.924578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.924578][ T72] [ 2053.926814][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2053.926814][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.926814][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.926814][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.926814][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2053.926814][ T72] ipv6_add_addr+0x411/0x2000 [ 2053.926814][ T72] inet6_addr_add+0x30e/0xa40 [ 2053.926814][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.926814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.926814][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.926814][ T72] netlink_unicast+0x449/0x710 [ 2053.926814][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.926814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.926814][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.926814][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.926814][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.926814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.926814][ T72] [ 2053.929118][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2053.929118][ T72] netdev_get_by_index+0x5e/0x80 [ 2053.929118][ T72] fib6_nh_init+0x3d8/0x1580 [ 2053.929118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2053.929118][ T72] ip6_route_add+0x1c/0x140 [ 2053.929118][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2053.929118][ T72] addrconf_add_dev+0xe2/0x170 [ 2053.929118][ T72] inet6_addr_add+0x12f/0xa40 [ 2053.929118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.929118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.929118][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.929118][ T72] netlink_unicast+0x449/0x710 [ 2053.929118][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.929118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.929118][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.929118][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.929118][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.929118][ T72] [ 2053.931307][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2053.931307][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2053.931307][ T72] ipv6_find_idev+0x102/0x170 [ 2053.931307][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.931307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.931307][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.931307][ T72] netlink_unicast+0x449/0x710 [ 2053.931307][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.931307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.931307][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.931307][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.931307][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.931307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.931307][ T72] [ 2053.932955][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2053.932955][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2053.932955][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2053.932955][ T72] ipv6_find_idev+0x102/0x170 [ 2053.932955][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.932955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.932955][ T72] netlink_rcv_skb+0x130/0x360 [ 2053.932955][ T72] netlink_unicast+0x449/0x710 [ 2053.932955][ T72] netlink_sendmsg+0x723/0xbe0 [ 2053.932955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2053.932955][ T72] ___sys_sendmsg+0xee/0x170 [ 2053.932955][ T72] __sys_sendmsg+0xcd/0x170 [ 2053.932955][ T72] do_syscall_64+0xc6/0x1e0 [ 2053.932955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.932955][ T72] [ 2063.936916][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2063.937424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2063.937424][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2063.937424][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2063.937424][ T72] fib6_nh_init+0xa22/0x1580 [ 2063.937424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.937424][ T72] ip6_route_add+0x1c/0x140 [ 2063.937424][ T72] inet6_rtm_newroute+0x104/0x110 [ 2063.937424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.937424][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.937424][ T72] netlink_unicast+0x449/0x710 [ 2063.937424][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.937424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.937424][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.937424][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.937424][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.937424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.937424][ T72] [ 2063.939321][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2063.939321][ T72] dst_init+0x84/0x4a0 [ 2063.939321][ T72] dst_alloc+0x97/0x150 [ 2063.939321][ T72] ip6_dst_alloc+0x23/0x90 [ 2063.939321][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2063.939321][ T72] ip6_pol_route+0x56f/0x840 [ 2063.939321][ T72] fib6_rule_lookup+0x456/0x630 [ 2063.939321][ T72] ip6_route_input+0x59c/0xa50 [ 2063.939321][ T72] ipv6_rcv+0x397/0x810 [ 2063.939321][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2063.939321][ T72] process_backlog+0x101/0x620 [ 2063.939321][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2063.939321][ T72] net_rx_action+0x495/0xbe0 [ 2063.939321][ T72] __do_softirq+0x1b5/0x7f6 [ 2063.939321][ T72] [ 2063.940949][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2063.940949][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.940949][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.940949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.940949][ T72] ip6_route_add+0x1c/0x140 [ 2063.940949][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2063.940949][ T72] inet6_addr_add+0x4f8/0xa40 [ 2063.940949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.940949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.940949][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.940949][ T72] netlink_unicast+0x449/0x710 [ 2063.940949][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.940949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.940949][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.940949][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.940949][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.940949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.940949][ T72] [ 2063.942933][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2063.942933][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.942933][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.942933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.942933][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2063.942933][ T72] ipv6_add_addr+0x411/0x2000 [ 2063.942933][ T72] inet6_addr_add+0x30e/0xa40 [ 2063.942933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.942933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.942933][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.942933][ T72] netlink_unicast+0x449/0x710 [ 2063.942933][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.942933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.942933][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.942933][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.942933][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.942933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.942933][ T72] [ 2063.944911][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2063.944911][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.944911][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.944911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.944911][ T72] ip6_route_add+0x1c/0x140 [ 2063.944911][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2063.944911][ T72] addrconf_add_dev+0xe2/0x170 [ 2063.944911][ T72] inet6_addr_add+0x12f/0xa40 [ 2063.944911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.944911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.944911][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.944911][ T72] netlink_unicast+0x449/0x710 [ 2063.944911][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.944911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.944911][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.944911][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.944911][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.944911][ T72] [ 2063.946873][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2063.946873][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2063.946873][ T72] ipv6_find_idev+0x102/0x170 [ 2063.946873][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.946873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.946873][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.946873][ T72] netlink_unicast+0x449/0x710 [ 2063.946873][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.946873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.946873][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.946873][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.946873][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.946873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.946873][ T72] [ 2063.948404][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2063.948404][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2063.948404][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2063.948404][ T72] ipv6_find_idev+0x102/0x170 [ 2063.948404][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.948404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.948404][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.948404][ T72] netlink_unicast+0x449/0x710 [ 2063.948404][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.948404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.948404][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.948404][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.948404][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.948404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.948404][ T72] [ 2063.950084][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2063.950360][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2063.950360][ T72] dst_init+0x84/0x4a0 [ 2063.950360][ T72] dst_alloc+0x97/0x150 [ 2063.950360][ T72] ip6_dst_alloc+0x23/0x90 [ 2063.950360][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2063.950360][ T72] ip6_pol_route+0x56f/0x840 [ 2063.950360][ T72] fib6_rule_lookup+0x456/0x630 [ 2063.950360][ T72] ip6_route_input+0x59c/0xa50 [ 2063.950360][ T72] ipv6_rcv+0x397/0x810 [ 2063.950360][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2063.950360][ T72] process_backlog+0x101/0x620 [ 2063.950360][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2063.950360][ T72] net_rx_action+0x495/0xbe0 [ 2063.950360][ T72] __do_softirq+0x1b5/0x7f6 [ 2063.950360][ T72] [ 2063.952008][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2063.952008][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.952008][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.952008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.952008][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2063.952008][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2063.952008][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2063.952008][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2063.952008][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2063.952008][ T72] addrconf_dad_begin+0x310/0x670 [ 2063.952008][ T72] addrconf_dad_work+0x10b/0xab0 [ 2063.952008][ T72] process_one_work+0x84d/0x18a0 [ 2063.952008][ T72] worker_thread+0x587/0xd30 [ 2063.952008][ T72] kthread+0x28a/0x350 [ 2063.952008][ T72] ret_from_fork+0x31/0x70 [ 2063.952008][ T72] ret_from_fork_asm+0x1a/0x30 [ 2063.952008][ T72] [ 2063.953896][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2063.953896][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.953896][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.953896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.953896][ T72] ip6_route_add+0x1c/0x140 [ 2063.953896][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2063.953896][ T72] inet6_addr_add+0x4f8/0xa40 [ 2063.953896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.953896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.953896][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.953896][ T72] netlink_unicast+0x449/0x710 [ 2063.953896][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.953896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.953896][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.953896][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.953896][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.953896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.953896][ T72] [ 2063.955874][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2063.955874][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.955874][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.955874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.955874][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2063.955874][ T72] ipv6_add_addr+0x411/0x2000 [ 2063.955874][ T72] inet6_addr_add+0x30e/0xa40 [ 2063.955874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.955874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.955874][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.955874][ T72] netlink_unicast+0x449/0x710 [ 2063.955874][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.955874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.955874][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.955874][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.955874][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.955874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.955874][ T72] [ 2063.957847][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2063.957847][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.957847][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.957847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.957847][ T72] ip6_route_add+0x1c/0x140 [ 2063.957847][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2063.957847][ T72] addrconf_add_dev+0xe2/0x170 [ 2063.957847][ T72] inet6_addr_add+0x12f/0xa40 [ 2063.957847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.957847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.957847][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.957847][ T72] netlink_unicast+0x449/0x710 [ 2063.957847][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.957847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.957847][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.957847][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.957847][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.957847][ T72] [ 2063.959800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2063.959800][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2063.959800][ T72] ipv6_find_idev+0x102/0x170 [ 2063.959800][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.959800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.959800][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.959800][ T72] netlink_unicast+0x449/0x710 [ 2063.959800][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.959800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.959800][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.959800][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.959800][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.959800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.959800][ T72] [ 2063.961325][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2063.961325][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2063.961325][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2063.961325][ T72] ipv6_find_idev+0x102/0x170 [ 2063.961325][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.961325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.961325][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.961325][ T72] netlink_unicast+0x449/0x710 [ 2063.961325][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.961325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.961325][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.961325][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.961325][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.961325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.961325][ T72] [ 2063.963078][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2063.963352][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2063.963352][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2063.963352][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2063.963352][ T72] fib6_nh_init+0xa22/0x1580 [ 2063.963352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.963352][ T72] ip6_route_add+0x1c/0x140 [ 2063.963352][ T72] inet6_rtm_newroute+0x104/0x110 [ 2063.963352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.963352][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.963352][ T72] netlink_unicast+0x449/0x710 [ 2063.963352][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.963352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.963352][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.963352][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.963352][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.963352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.963352][ T72] [ 2063.965461][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2063.965461][ T72] dst_init+0x84/0x4a0 [ 2063.965461][ T72] dst_alloc+0x97/0x150 [ 2063.965461][ T72] ip6_dst_alloc+0x23/0x90 [ 2063.965461][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2063.965461][ T72] ip6_pol_route+0x56f/0x840 [ 2063.965461][ T72] fib6_rule_lookup+0x456/0x630 [ 2063.965461][ T72] ip6_route_input+0x59c/0xa50 [ 2063.965461][ T72] ipv6_rcv+0x397/0x810 [ 2063.965461][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2063.965461][ T72] process_backlog+0x101/0x620 [ 2063.965461][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2063.965461][ T72] net_rx_action+0x495/0xbe0 [ 2063.965461][ T72] __do_softirq+0x1b5/0x7f6 [ 2063.965461][ T72] [ 2063.967232][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2063.967232][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.967232][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.967232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.967232][ T72] ip6_route_add+0x1c/0x140 [ 2063.967232][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2063.967232][ T72] inet6_addr_add+0x4f8/0xa40 [ 2063.967232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.967232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.967232][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.967232][ T72] netlink_unicast+0x449/0x710 [ 2063.967232][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.967232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.967232][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.967232][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.967232][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.967232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.967232][ T72] [ 2063.969370][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2063.969370][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.969370][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.969370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.969370][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2063.969370][ T72] ipv6_add_addr+0x411/0x2000 [ 2063.969370][ T72] inet6_addr_add+0x30e/0xa40 [ 2063.969370][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.969370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.969370][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.969370][ T72] netlink_unicast+0x449/0x710 [ 2063.969370][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.969370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.969370][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.969370][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.969370][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.969370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.969370][ T72] [ 2063.971538][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2063.971538][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.971538][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.971538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.971538][ T72] ip6_route_add+0x1c/0x140 [ 2063.971538][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2063.971538][ T72] addrconf_add_dev+0xe2/0x170 [ 2063.971538][ T72] inet6_addr_add+0x12f/0xa40 [ 2063.971538][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.971538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.971538][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.971538][ T72] netlink_unicast+0x449/0x710 [ 2063.971538][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.971538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.971538][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.971538][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.971538][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.971538][ T72] [ 2063.973646][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2063.973646][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2063.973646][ T72] ipv6_find_idev+0x102/0x170 [ 2063.973646][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.973646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.973646][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.973646][ T72] netlink_unicast+0x449/0x710 [ 2063.973646][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.973646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.973646][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.973646][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.973646][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.973646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.973646][ T72] [ 2063.975260][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2063.975260][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2063.975260][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2063.975260][ T72] ipv6_find_idev+0x102/0x170 [ 2063.975260][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.975260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.975260][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.975260][ T72] netlink_unicast+0x449/0x710 [ 2063.975260][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.975260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.975260][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.975260][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.975260][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.975260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.975260][ T72] [ 2063.977108][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2063.977405][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2063.977405][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.977405][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.977405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.977405][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2063.977405][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2063.977405][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2063.977405][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2063.977405][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2063.977405][ T72] addrconf_dad_begin+0x310/0x670 [ 2063.977405][ T72] addrconf_dad_work+0x10b/0xab0 [ 2063.977405][ T72] process_one_work+0x84d/0x18a0 [ 2063.977405][ T72] worker_thread+0x587/0xd30 [ 2063.977405][ T72] kthread+0x28a/0x350 [ 2063.977405][ T72] ret_from_fork+0x31/0x70 [ 2063.977405][ T72] ret_from_fork_asm+0x1a/0x30 [ 2063.977405][ T72] [ 2063.979469][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2063.979469][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.979469][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.979469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.979469][ T72] ip6_route_add+0x1c/0x140 [ 2063.979469][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2063.979469][ T72] inet6_addr_add+0x4f8/0xa40 [ 2063.979469][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.979469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.979469][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.979469][ T72] netlink_unicast+0x449/0x710 [ 2063.979469][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.979469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.979469][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.979469][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.979469][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.979469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.979469][ T72] [ 2063.981625][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2063.981625][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.981625][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.981625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.981625][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2063.981625][ T72] ipv6_add_addr+0x411/0x2000 [ 2063.981625][ T72] inet6_addr_add+0x30e/0xa40 [ 2063.981625][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.981625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.981625][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.981625][ T72] netlink_unicast+0x449/0x710 [ 2063.981625][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.981625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.981625][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.981625][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.981625][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.981625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.981625][ T72] [ 2063.983774][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2063.983774][ T72] netdev_get_by_index+0x5e/0x80 [ 2063.983774][ T72] fib6_nh_init+0x3d8/0x1580 [ 2063.983774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2063.983774][ T72] ip6_route_add+0x1c/0x140 [ 2063.983774][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2063.983774][ T72] addrconf_add_dev+0xe2/0x170 [ 2063.983774][ T72] inet6_addr_add+0x12f/0xa40 [ 2063.983774][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2063.983774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.983774][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.983774][ T72] netlink_unicast+0x449/0x710 [ 2063.983774][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.983774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.983774][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.983774][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.983774][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.983774][ T72] [ 2063.985872][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2063.985872][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2063.985872][ T72] ipv6_find_idev+0x102/0x170 [ 2063.985872][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.985872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.985872][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.985872][ T72] netlink_unicast+0x449/0x710 [ 2063.985872][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.985872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.985872][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.985872][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.985872][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.985872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.985872][ T72] [ 2063.987491][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2063.987491][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2063.987491][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2063.987491][ T72] ipv6_find_idev+0x102/0x170 [ 2063.987491][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2063.987491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2063.987491][ T72] netlink_rcv_skb+0x130/0x360 [ 2063.987491][ T72] netlink_unicast+0x449/0x710 [ 2063.987491][ T72] netlink_sendmsg+0x723/0xbe0 [ 2063.987491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2063.987491][ T72] ___sys_sendmsg+0xee/0x170 [ 2063.987491][ T72] __sys_sendmsg+0xcd/0x170 [ 2063.987491][ T72] do_syscall_64+0xc6/0x1e0 [ 2063.987491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2063.987491][ T72] [ 2074.224879][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2074.225362][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2074.225362][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2074.225362][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2074.225362][ T72] fib6_nh_init+0xa22/0x1580 [ 2074.225362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.225362][ T72] ip6_route_add+0x1c/0x140 [ 2074.225362][ T72] inet6_rtm_newroute+0x104/0x110 [ 2074.225362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.225362][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.225362][ T72] netlink_unicast+0x449/0x710 [ 2074.225362][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.225362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.225362][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.225362][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.225362][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.225362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.225362][ T72] [ 2074.227249][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2074.227249][ T72] dst_init+0x84/0x4a0 [ 2074.227249][ T72] dst_alloc+0x97/0x150 [ 2074.227249][ T72] ip6_dst_alloc+0x23/0x90 [ 2074.227249][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.227249][ T72] ip6_pol_route+0x56f/0x840 [ 2074.227249][ T72] fib6_rule_lookup+0x456/0x630 [ 2074.227249][ T72] ip6_route_input+0x59c/0xa50 [ 2074.227249][ T72] ipv6_rcv+0x397/0x810 [ 2074.227249][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2074.227249][ T72] process_backlog+0x101/0x620 [ 2074.227249][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2074.227249][ T72] net_rx_action+0x495/0xbe0 [ 2074.227249][ T72] __do_softirq+0x1b5/0x7f6 [ 2074.227249][ T72] [ 2074.228896][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2074.228896][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.228896][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.228896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.228896][ T72] ip6_route_add+0x1c/0x140 [ 2074.228896][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2074.228896][ T72] inet6_addr_add+0x4f8/0xa40 [ 2074.228896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.228896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.228896][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.228896][ T72] netlink_unicast+0x449/0x710 [ 2074.228896][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.228896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.228896][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.228896][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.228896][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.228896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.228896][ T72] [ 2074.230874][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2074.230874][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.230874][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.230874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.230874][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2074.230874][ T72] ipv6_add_addr+0x411/0x2000 [ 2074.230874][ T72] inet6_addr_add+0x30e/0xa40 [ 2074.230874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.230874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.230874][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.230874][ T72] netlink_unicast+0x449/0x710 [ 2074.230874][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.230874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.230874][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.230874][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.230874][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.230874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.230874][ T72] [ 2074.232863][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2074.232863][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.232863][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.232863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.232863][ T72] ip6_route_add+0x1c/0x140 [ 2074.232863][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2074.232863][ T72] addrconf_add_dev+0xe2/0x170 [ 2074.232863][ T72] inet6_addr_add+0x12f/0xa40 [ 2074.232863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.232863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.232863][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.232863][ T72] netlink_unicast+0x449/0x710 [ 2074.232863][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.232863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.232863][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.232863][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.232863][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.232863][ T72] [ 2074.234820][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2074.234820][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2074.234820][ T72] ipv6_find_idev+0x102/0x170 [ 2074.234820][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.234820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.234820][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.234820][ T72] netlink_unicast+0x449/0x710 [ 2074.234820][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.234820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.234820][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.234820][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.234820][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.234820][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.234820][ T72] [ 2074.236342][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2074.236342][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2074.236342][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2074.236342][ T72] ipv6_find_idev+0x102/0x170 [ 2074.236342][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.236342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.236342][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.236342][ T72] netlink_unicast+0x449/0x710 [ 2074.236342][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.236342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.236342][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.236342][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.236342][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.236342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.236342][ T72] [ 2074.238038][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2074.238313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2074.238313][ T72] dst_init+0x84/0x4a0 [ 2074.238313][ T72] dst_alloc+0x97/0x150 [ 2074.238313][ T72] ip6_dst_alloc+0x23/0x90 [ 2074.238313][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.238313][ T72] ip6_pol_route+0x56f/0x840 [ 2074.238313][ T72] fib6_rule_lookup+0x456/0x630 [ 2074.238313][ T72] ip6_route_input+0x59c/0xa50 [ 2074.238313][ T72] ipv6_rcv+0x397/0x810 [ 2074.238313][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2074.238313][ T72] process_backlog+0x101/0x620 [ 2074.238313][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2074.238313][ T72] net_rx_action+0x495/0xbe0 [ 2074.238313][ T72] __do_softirq+0x1b5/0x7f6 [ 2074.238313][ T72] [ 2074.239935][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2074.239935][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.239935][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.239935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.239935][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2074.239935][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2074.239935][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2074.239935][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2074.239935][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2074.239935][ T72] addrconf_dad_begin+0x310/0x670 [ 2074.239935][ T72] addrconf_dad_work+0x10b/0xab0 [ 2074.239935][ T72] process_one_work+0x84d/0x18a0 [ 2074.239935][ T72] worker_thread+0x587/0xd30 [ 2074.239935][ T72] kthread+0x28a/0x350 [ 2074.239935][ T72] ret_from_fork+0x31/0x70 [ 2074.239935][ T72] ret_from_fork_asm+0x1a/0x30 [ 2074.239935][ T72] [ 2074.241822][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2074.241822][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.241822][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.241822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.241822][ T72] ip6_route_add+0x1c/0x140 [ 2074.241822][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2074.241822][ T72] inet6_addr_add+0x4f8/0xa40 [ 2074.241822][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.241822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.241822][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.241822][ T72] netlink_unicast+0x449/0x710 [ 2074.241822][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.241822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.241822][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.241822][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.241822][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.241822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.241822][ T72] [ 2074.243804][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2074.243804][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.243804][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.243804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.243804][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2074.243804][ T72] ipv6_add_addr+0x411/0x2000 [ 2074.243804][ T72] inet6_addr_add+0x30e/0xa40 [ 2074.243804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.243804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.243804][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.243804][ T72] netlink_unicast+0x449/0x710 [ 2074.243804][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.243804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.243804][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.243804][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.243804][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.243804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.243804][ T72] [ 2074.245780][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2074.245780][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.245780][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.245780][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.245780][ T72] ip6_route_add+0x1c/0x140 [ 2074.245780][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2074.245780][ T72] addrconf_add_dev+0xe2/0x170 [ 2074.245780][ T72] inet6_addr_add+0x12f/0xa40 [ 2074.245780][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.245780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.245780][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.245780][ T72] netlink_unicast+0x449/0x710 [ 2074.245780][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.245780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.245780][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.245780][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.245780][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.245780][ T72] [ 2074.247743][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2074.247743][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2074.247743][ T72] ipv6_find_idev+0x102/0x170 [ 2074.247743][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.247743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.247743][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.247743][ T72] netlink_unicast+0x449/0x710 [ 2074.247743][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.247743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.247743][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.247743][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.247743][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.247743][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.247743][ T72] [ 2074.249271][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2074.249271][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2074.249271][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2074.249271][ T72] ipv6_find_idev+0x102/0x170 [ 2074.249271][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.249271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.249271][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.249271][ T72] netlink_unicast+0x449/0x710 [ 2074.249271][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.249271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.249271][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.249271][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.249271][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.249271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.249271][ T72] [ 2074.251010][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2074.251282][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2074.251282][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2074.251282][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2074.251282][ T72] fib6_nh_init+0xa22/0x1580 [ 2074.251282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.251282][ T72] ip6_route_add+0x1c/0x140 [ 2074.251282][ T72] inet6_rtm_newroute+0x104/0x110 [ 2074.251282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.251282][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.251282][ T72] netlink_unicast+0x449/0x710 [ 2074.251282][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.251282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.251282][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.251282][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.251282][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.251282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.251282][ T72] [ 2074.253211][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2074.253211][ T72] dst_init+0x84/0x4a0 [ 2074.253211][ T72] dst_alloc+0x97/0x150 [ 2074.253211][ T72] ip6_dst_alloc+0x23/0x90 [ 2074.253211][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.253211][ T72] ip6_pol_route+0x56f/0x840 [ 2074.253211][ T72] fib6_rule_lookup+0x456/0x630 [ 2074.253211][ T72] ip6_route_input+0x59c/0xa50 [ 2074.253211][ T72] ipv6_rcv+0x397/0x810 [ 2074.253211][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2074.253211][ T72] process_backlog+0x101/0x620 [ 2074.253211][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2074.253211][ T72] net_rx_action+0x495/0xbe0 [ 2074.253211][ T72] __do_softirq+0x1b5/0x7f6 [ 2074.253211][ T72] [ 2074.254899][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2074.254899][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.254899][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.254899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.254899][ T72] ip6_route_add+0x1c/0x140 [ 2074.254899][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2074.254899][ T72] inet6_addr_add+0x4f8/0xa40 [ 2074.254899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.254899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.254899][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.254899][ T72] netlink_unicast+0x449/0x710 [ 2074.254899][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.254899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.254899][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.254899][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.254899][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.254899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.254899][ T72] [ 2074.257021][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2074.257021][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.257021][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.257021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.257021][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2074.257021][ T72] ipv6_add_addr+0x411/0x2000 [ 2074.257021][ T72] inet6_addr_add+0x30e/0xa40 [ 2074.257021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.257021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.257021][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.257021][ T72] netlink_unicast+0x449/0x710 [ 2074.257021][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.257021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.257021][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.257021][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.257021][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.257021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.257021][ T72] [ 2074.259094][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2074.259094][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.259094][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.259094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.259094][ T72] ip6_route_add+0x1c/0x140 [ 2074.259094][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2074.259094][ T72] addrconf_add_dev+0xe2/0x170 [ 2074.259094][ T72] inet6_addr_add+0x12f/0xa40 [ 2074.259094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.259094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.259094][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.259094][ T72] netlink_unicast+0x449/0x710 [ 2074.259094][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.259094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.259094][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.259094][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.259094][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.259094][ T72] [ 2074.261094][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2074.261094][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2074.261094][ T72] ipv6_find_idev+0x102/0x170 [ 2074.261094][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.261094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.261094][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.261094][ T72] netlink_unicast+0x449/0x710 [ 2074.261094][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.261094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.261094][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.261094][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.261094][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.261094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.261094][ T72] [ 2074.262684][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2074.262684][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2074.262684][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2074.262684][ T72] ipv6_find_idev+0x102/0x170 [ 2074.262684][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.262684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.262684][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.262684][ T72] netlink_unicast+0x449/0x710 [ 2074.262684][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.262684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.262684][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.262684][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.262684][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.262684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.262684][ T72] [ 2074.264944][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2074.265232][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2074.265232][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.265232][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.265232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.265232][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2074.265232][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2074.265232][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2074.265232][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2074.265232][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2074.265232][ T72] addrconf_dad_begin+0x310/0x670 [ 2074.265232][ T72] addrconf_dad_work+0x10b/0xab0 [ 2074.265232][ T72] process_one_work+0x84d/0x18a0 [ 2074.265232][ T72] worker_thread+0x587/0xd30 [ 2074.265232][ T72] kthread+0x28a/0x350 [ 2074.265232][ T72] ret_from_fork+0x31/0x70 [ 2074.265232][ T72] ret_from_fork_asm+0x1a/0x30 [ 2074.265232][ T72] [ 2074.267191][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2074.267191][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.267191][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.267191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.267191][ T72] ip6_route_add+0x1c/0x140 [ 2074.267191][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2074.267191][ T72] inet6_addr_add+0x4f8/0xa40 [ 2074.267191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.267191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.267191][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.267191][ T72] netlink_unicast+0x449/0x710 [ 2074.267191][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.267191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.267191][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.267191][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.267191][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.267191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.267191][ T72] [ 2074.269246][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2074.269246][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.269246][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.269246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.269246][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2074.269246][ T72] ipv6_add_addr+0x411/0x2000 [ 2074.269246][ T72] inet6_addr_add+0x30e/0xa40 [ 2074.269246][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.269246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.269246][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.269246][ T72] netlink_unicast+0x449/0x710 [ 2074.269246][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.269246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.269246][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.269246][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.269246][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.269246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.269246][ T72] [ 2074.271360][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2074.271360][ T72] netdev_get_by_index+0x5e/0x80 [ 2074.271360][ T72] fib6_nh_init+0x3d8/0x1580 [ 2074.271360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2074.271360][ T72] ip6_route_add+0x1c/0x140 [ 2074.271360][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2074.271360][ T72] addrconf_add_dev+0xe2/0x170 [ 2074.271360][ T72] inet6_addr_add+0x12f/0xa40 [ 2074.271360][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.271360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.271360][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.271360][ T72] netlink_unicast+0x449/0x710 [ 2074.271360][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.271360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.271360][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.271360][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.271360][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.271360][ T72] [ 2074.273383][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2074.273383][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2074.273383][ T72] ipv6_find_idev+0x102/0x170 [ 2074.273383][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.273383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.273383][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.273383][ T72] netlink_unicast+0x449/0x710 [ 2074.273383][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.273383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.273383][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.273383][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.273383][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.273383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.273383][ T72] [ 2074.274972][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2074.274972][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2074.274972][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2074.274972][ T72] ipv6_find_idev+0x102/0x170 [ 2074.274972][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.274972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.274972][ T72] netlink_rcv_skb+0x130/0x360 [ 2074.274972][ T72] netlink_unicast+0x449/0x710 [ 2074.274972][ T72] netlink_sendmsg+0x723/0xbe0 [ 2074.274972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2074.274972][ T72] ___sys_sendmsg+0xee/0x170 [ 2074.274972][ T72] __sys_sendmsg+0xcd/0x170 [ 2074.274972][ T72] do_syscall_64+0xc6/0x1e0 [ 2074.274972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.274972][ T72] [ 2084.512978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2084.514125][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2084.514125][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2084.514125][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2084.514125][ T72] fib6_nh_init+0xa22/0x1580 [ 2084.514125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.514125][ T72] ip6_route_add+0x1c/0x140 [ 2084.514125][ T72] inet6_rtm_newroute+0x104/0x110 [ 2084.514125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.514125][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.514125][ T72] netlink_unicast+0x449/0x710 [ 2084.514125][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.514125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.514125][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.514125][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.514125][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.514125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.514125][ T72] [ 2084.516038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2084.516038][ T72] dst_init+0x84/0x4a0 [ 2084.516038][ T72] dst_alloc+0x97/0x150 [ 2084.516038][ T72] ip6_dst_alloc+0x23/0x90 [ 2084.516038][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.516038][ T72] ip6_pol_route+0x56f/0x840 [ 2084.516038][ T72] fib6_rule_lookup+0x456/0x630 [ 2084.516038][ T72] ip6_route_input+0x59c/0xa50 [ 2084.516038][ T72] ipv6_rcv+0x397/0x810 [ 2084.516038][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2084.516038][ T72] process_backlog+0x101/0x620 [ 2084.516038][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2084.516038][ T72] net_rx_action+0x495/0xbe0 [ 2084.516038][ T72] __do_softirq+0x1b5/0x7f6 [ 2084.516038][ T72] [ 2084.517674][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2084.517674][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.517674][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.517674][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.517674][ T72] ip6_route_add+0x1c/0x140 [ 2084.517674][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2084.517674][ T72] inet6_addr_add+0x4f8/0xa40 [ 2084.517674][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.517674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.517674][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.517674][ T72] netlink_unicast+0x449/0x710 [ 2084.517674][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.517674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.517674][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.517674][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.517674][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.517674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.517674][ T72] [ 2084.519628][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2084.519628][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.519628][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.519628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.519628][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2084.519628][ T72] ipv6_add_addr+0x411/0x2000 [ 2084.519628][ T72] inet6_addr_add+0x30e/0xa40 [ 2084.519628][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.519628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.519628][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.519628][ T72] netlink_unicast+0x449/0x710 [ 2084.519628][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.519628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.519628][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.519628][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.519628][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.519628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.519628][ T72] [ 2084.521620][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2084.521620][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.521620][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.521620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.521620][ T72] ip6_route_add+0x1c/0x140 [ 2084.521620][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2084.521620][ T72] addrconf_add_dev+0xe2/0x170 [ 2084.521620][ T72] inet6_addr_add+0x12f/0xa40 [ 2084.521620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.521620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.521620][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.521620][ T72] netlink_unicast+0x449/0x710 [ 2084.521620][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.521620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.521620][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.521620][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.521620][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.521620][ T72] [ 2084.523549][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2084.523549][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2084.523549][ T72] ipv6_find_idev+0x102/0x170 [ 2084.523549][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.523549][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.523549][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.523549][ T72] netlink_unicast+0x449/0x710 [ 2084.523549][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.523549][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.523549][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.523549][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.523549][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.523549][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.523549][ T72] [ 2084.525072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2084.525072][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2084.525072][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2084.525072][ T72] ipv6_find_idev+0x102/0x170 [ 2084.525072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.525072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.525072][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.525072][ T72] netlink_unicast+0x449/0x710 [ 2084.525072][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.525072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.525072][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.525072][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.525072][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.525072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.525072][ T72] [ 2084.526728][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2084.527008][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2084.527008][ T72] dst_init+0x84/0x4a0 [ 2084.527008][ T72] dst_alloc+0x97/0x150 [ 2084.527008][ T72] ip6_dst_alloc+0x23/0x90 [ 2084.527008][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.527008][ T72] ip6_pol_route+0x56f/0x840 [ 2084.527008][ T72] fib6_rule_lookup+0x456/0x630 [ 2084.527008][ T72] ip6_route_input+0x59c/0xa50 [ 2084.527008][ T72] ipv6_rcv+0x397/0x810 [ 2084.527008][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2084.527008][ T72] process_backlog+0x101/0x620 [ 2084.527008][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2084.527008][ T72] net_rx_action+0x495/0xbe0 [ 2084.527008][ T72] __do_softirq+0x1b5/0x7f6 [ 2084.527008][ T72] [ 2084.528646][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2084.528646][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.528646][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.528646][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.528646][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2084.528646][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2084.528646][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2084.528646][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2084.528646][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2084.528646][ T72] addrconf_dad_begin+0x310/0x670 [ 2084.528646][ T72] addrconf_dad_work+0x10b/0xab0 [ 2084.528646][ T72] process_one_work+0x84d/0x18a0 [ 2084.528646][ T72] worker_thread+0x587/0xd30 [ 2084.528646][ T72] kthread+0x28a/0x350 [ 2084.528646][ T72] ret_from_fork+0x31/0x70 [ 2084.528646][ T72] ret_from_fork_asm+0x1a/0x30 [ 2084.528646][ T72] [ 2084.530531][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2084.530531][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.530531][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.530531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.530531][ T72] ip6_route_add+0x1c/0x140 [ 2084.530531][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2084.530531][ T72] inet6_addr_add+0x4f8/0xa40 [ 2084.530531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.530531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.530531][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.530531][ T72] netlink_unicast+0x449/0x710 [ 2084.530531][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.530531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.530531][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.530531][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.530531][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.530531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.530531][ T72] [ 2084.532518][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2084.532518][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.532518][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.532518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.532518][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2084.532518][ T72] ipv6_add_addr+0x411/0x2000 [ 2084.532518][ T72] inet6_addr_add+0x30e/0xa40 [ 2084.532518][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.532518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.532518][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.532518][ T72] netlink_unicast+0x449/0x710 [ 2084.532518][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.532518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.532518][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.532518][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.532518][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.532518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.532518][ T72] [ 2084.534478][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2084.534478][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.534478][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.534478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.534478][ T72] ip6_route_add+0x1c/0x140 [ 2084.534478][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2084.534478][ T72] addrconf_add_dev+0xe2/0x170 [ 2084.534478][ T72] inet6_addr_add+0x12f/0xa40 [ 2084.534478][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.534478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.534478][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.534478][ T72] netlink_unicast+0x449/0x710 [ 2084.534478][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.534478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.534478][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.534478][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.534478][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.534478][ T72] [ 2084.536426][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2084.536426][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2084.536426][ T72] ipv6_find_idev+0x102/0x170 [ 2084.536426][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.536426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.536426][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.536426][ T72] netlink_unicast+0x449/0x710 [ 2084.536426][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.536426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.536426][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.536426][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.536426][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.536426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.536426][ T72] [ 2084.537981][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2084.537981][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2084.537981][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2084.537981][ T72] ipv6_find_idev+0x102/0x170 [ 2084.537981][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.537981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.537981][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.537981][ T72] netlink_unicast+0x449/0x710 [ 2084.537981][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.537981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.537981][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.537981][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.537981][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.537981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.537981][ T72] [ 2084.539709][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2084.540090][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2084.540090][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2084.540090][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2084.540090][ T72] fib6_nh_init+0xa22/0x1580 [ 2084.540090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.540090][ T72] ip6_route_add+0x1c/0x140 [ 2084.540090][ T72] inet6_rtm_newroute+0x104/0x110 [ 2084.540090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.540090][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.540090][ T72] netlink_unicast+0x449/0x710 [ 2084.540090][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.540090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.540090][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.540090][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.540090][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.540090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.540090][ T72] [ 2084.542158][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2084.542158][ T72] dst_init+0x84/0x4a0 [ 2084.542158][ T72] dst_alloc+0x97/0x150 [ 2084.542158][ T72] ip6_dst_alloc+0x23/0x90 [ 2084.542158][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.542158][ T72] ip6_pol_route+0x56f/0x840 [ 2084.542158][ T72] fib6_rule_lookup+0x456/0x630 [ 2084.542158][ T72] ip6_route_input+0x59c/0xa50 [ 2084.542158][ T72] ipv6_rcv+0x397/0x810 [ 2084.542158][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2084.542158][ T72] process_backlog+0x101/0x620 [ 2084.542158][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2084.542158][ T72] net_rx_action+0x495/0xbe0 [ 2084.542158][ T72] __do_softirq+0x1b5/0x7f6 [ 2084.542158][ T72] [ 2084.543950][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2084.543950][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.543950][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.543950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.543950][ T72] ip6_route_add+0x1c/0x140 [ 2084.543950][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2084.543950][ T72] inet6_addr_add+0x4f8/0xa40 [ 2084.543950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.543950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.543950][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.543950][ T72] netlink_unicast+0x449/0x710 [ 2084.543950][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.543950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.543950][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.543950][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.543950][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.543950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.543950][ T72] [ 2084.546151][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2084.546151][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.546151][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.546151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.546151][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2084.546151][ T72] ipv6_add_addr+0x411/0x2000 [ 2084.546151][ T72] inet6_addr_add+0x30e/0xa40 [ 2084.546151][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.546151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.546151][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.546151][ T72] netlink_unicast+0x449/0x710 [ 2084.546151][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.546151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.546151][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.546151][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.546151][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.546151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.546151][ T72] [ 2084.548400][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2084.548400][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.548400][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.548400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.548400][ T72] ip6_route_add+0x1c/0x140 [ 2084.548400][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2084.548400][ T72] addrconf_add_dev+0xe2/0x170 [ 2084.548400][ T72] inet6_addr_add+0x12f/0xa40 [ 2084.548400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.548400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.548400][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.548400][ T72] netlink_unicast+0x449/0x710 [ 2084.548400][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.548400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.548400][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.548400][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.548400][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.548400][ T72] [ 2084.550466][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2084.550466][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2084.550466][ T72] ipv6_find_idev+0x102/0x170 [ 2084.550466][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.550466][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.550466][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.550466][ T72] netlink_unicast+0x449/0x710 [ 2084.550466][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.550466][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.550466][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.550466][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.550466][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.550466][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.550466][ T72] [ 2084.552225][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2084.552225][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2084.552225][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2084.552225][ T72] ipv6_find_idev+0x102/0x170 [ 2084.552225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.552225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.552225][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.552225][ T72] netlink_unicast+0x449/0x710 [ 2084.552225][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.552225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.552225][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.552225][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.552225][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.552225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.552225][ T72] [ 2084.554133][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2084.554413][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2084.554413][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.554413][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.554413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.554413][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2084.554413][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2084.554413][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2084.554413][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2084.554413][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2084.554413][ T72] addrconf_dad_begin+0x310/0x670 [ 2084.554413][ T72] addrconf_dad_work+0x10b/0xab0 [ 2084.554413][ T72] process_one_work+0x84d/0x18a0 [ 2084.554413][ T72] worker_thread+0x587/0xd30 [ 2084.554413][ T72] kthread+0x28a/0x350 [ 2084.554413][ T72] ret_from_fork+0x31/0x70 [ 2084.554413][ T72] ret_from_fork_asm+0x1a/0x30 [ 2084.554413][ T72] [ 2084.556524][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2084.556524][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.556524][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.556524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.556524][ T72] ip6_route_add+0x1c/0x140 [ 2084.556524][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2084.556524][ T72] inet6_addr_add+0x4f8/0xa40 [ 2084.556524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.556524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.556524][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.556524][ T72] netlink_unicast+0x449/0x710 [ 2084.556524][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.556524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.556524][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.556524][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.556524][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.556524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.556524][ T72] [ 2084.558751][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2084.558751][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.558751][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.558751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.558751][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2084.558751][ T72] ipv6_add_addr+0x411/0x2000 [ 2084.558751][ T72] inet6_addr_add+0x30e/0xa40 [ 2084.558751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.558751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.558751][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.558751][ T72] netlink_unicast+0x449/0x710 [ 2084.558751][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.558751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.558751][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.558751][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.558751][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.558751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.558751][ T72] [ 2084.560947][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2084.560947][ T72] netdev_get_by_index+0x5e/0x80 [ 2084.560947][ T72] fib6_nh_init+0x3d8/0x1580 [ 2084.560947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2084.560947][ T72] ip6_route_add+0x1c/0x140 [ 2084.560947][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2084.560947][ T72] addrconf_add_dev+0xe2/0x170 [ 2084.560947][ T72] inet6_addr_add+0x12f/0xa40 [ 2084.560947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.560947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.560947][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.560947][ T72] netlink_unicast+0x449/0x710 [ 2084.560947][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.560947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.560947][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.560947][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.560947][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.560947][ T72] [ 2084.563147][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2084.563147][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2084.563147][ T72] ipv6_find_idev+0x102/0x170 [ 2084.563147][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.563147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.563147][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.563147][ T72] netlink_unicast+0x449/0x710 [ 2084.563147][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.563147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.563147][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.563147][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.563147][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.563147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.563147][ T72] [ 2084.564891][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2084.564891][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2084.564891][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2084.564891][ T72] ipv6_find_idev+0x102/0x170 [ 2084.564891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.564891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.564891][ T72] netlink_rcv_skb+0x130/0x360 [ 2084.564891][ T72] netlink_unicast+0x449/0x710 [ 2084.564891][ T72] netlink_sendmsg+0x723/0xbe0 [ 2084.564891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2084.564891][ T72] ___sys_sendmsg+0xee/0x170 [ 2084.564891][ T72] __sys_sendmsg+0xcd/0x170 [ 2084.564891][ T72] do_syscall_64+0xc6/0x1e0 [ 2084.564891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.564891][ T72] [ 2094.808983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2094.809484][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2094.809484][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2094.809484][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2094.809484][ T72] fib6_nh_init+0xa22/0x1580 [ 2094.809484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.809484][ T72] ip6_route_add+0x1c/0x140 [ 2094.809484][ T72] inet6_rtm_newroute+0x104/0x110 [ 2094.809484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.809484][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.809484][ T72] netlink_unicast+0x449/0x710 [ 2094.809484][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.809484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.809484][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.809484][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.809484][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.809484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.809484][ T72] [ 2094.811331][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2094.811331][ T72] dst_init+0x84/0x4a0 [ 2094.811331][ T72] dst_alloc+0x97/0x150 [ 2094.811331][ T72] ip6_dst_alloc+0x23/0x90 [ 2094.811331][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.811331][ T72] ip6_pol_route+0x56f/0x840 [ 2094.811331][ T72] fib6_rule_lookup+0x456/0x630 [ 2094.811331][ T72] ip6_route_input+0x59c/0xa50 [ 2094.811331][ T72] ipv6_rcv+0x397/0x810 [ 2094.811331][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2094.811331][ T72] process_backlog+0x101/0x620 [ 2094.811331][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2094.811331][ T72] net_rx_action+0x495/0xbe0 [ 2094.811331][ T72] __do_softirq+0x1b5/0x7f6 [ 2094.811331][ T72] [ 2094.812924][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2094.812924][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.812924][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.812924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.812924][ T72] ip6_route_add+0x1c/0x140 [ 2094.812924][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2094.812924][ T72] inet6_addr_add+0x4f8/0xa40 [ 2094.812924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.812924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.812924][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.812924][ T72] netlink_unicast+0x449/0x710 [ 2094.812924][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.812924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.812924][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.812924][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.812924][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.812924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.812924][ T72] [ 2094.814937][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2094.814937][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.814937][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.814937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.814937][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2094.814937][ T72] ipv6_add_addr+0x411/0x2000 [ 2094.814937][ T72] inet6_addr_add+0x30e/0xa40 [ 2094.814937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.814937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.814937][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.814937][ T72] netlink_unicast+0x449/0x710 [ 2094.814937][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.814937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.814937][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.814937][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.814937][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.814937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.814937][ T72] [ 2094.816890][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2094.816890][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.816890][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.816890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.816890][ T72] ip6_route_add+0x1c/0x140 [ 2094.816890][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2094.816890][ T72] addrconf_add_dev+0xe2/0x170 [ 2094.816890][ T72] inet6_addr_add+0x12f/0xa40 [ 2094.816890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.816890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.816890][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.816890][ T72] netlink_unicast+0x449/0x710 [ 2094.816890][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.816890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.816890][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.816890][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.816890][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.816890][ T72] [ 2094.819284][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2094.819284][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2094.819284][ T72] ipv6_find_idev+0x102/0x170 [ 2094.819284][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.819284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.819284][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.819284][ T72] netlink_unicast+0x449/0x710 [ 2094.819284][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.819284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.819284][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.819284][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.819284][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.819284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.819284][ T72] [ 2094.821906][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2094.821906][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2094.821906][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2094.821906][ T72] ipv6_find_idev+0x102/0x170 [ 2094.821906][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.821906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.821906][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.821906][ T72] netlink_unicast+0x449/0x710 [ 2094.821906][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.821906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.821906][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.821906][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.821906][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.821906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.821906][ T72] [ 2094.824784][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2094.825267][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2094.825267][ T72] dst_init+0x84/0x4a0 [ 2094.825267][ T72] dst_alloc+0x97/0x150 [ 2094.825267][ T72] ip6_dst_alloc+0x23/0x90 [ 2094.825267][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.825267][ T72] ip6_pol_route+0x56f/0x840 [ 2094.825267][ T72] fib6_rule_lookup+0x456/0x630 [ 2094.825267][ T72] ip6_route_input+0x59c/0xa50 [ 2094.825267][ T72] ipv6_rcv+0x397/0x810 [ 2094.825267][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2094.825267][ T72] process_backlog+0x101/0x620 [ 2094.825267][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2094.825267][ T72] net_rx_action+0x495/0xbe0 [ 2094.825267][ T72] __do_softirq+0x1b5/0x7f6 [ 2094.825267][ T72] [ 2094.828007][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2094.828007][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.828007][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.828007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.828007][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2094.828007][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2094.828007][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2094.828007][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2094.828007][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2094.828007][ T72] addrconf_dad_begin+0x310/0x670 [ 2094.828007][ T72] addrconf_dad_work+0x10b/0xab0 [ 2094.828007][ T72] process_one_work+0x84d/0x18a0 [ 2094.828007][ T72] worker_thread+0x587/0xd30 [ 2094.828007][ T72] kthread+0x28a/0x350 [ 2094.828007][ T72] ret_from_fork+0x31/0x70 [ 2094.828007][ T72] ret_from_fork_asm+0x1a/0x30 [ 2094.828007][ T72] [ 2094.832021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2094.832021][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.832021][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.832021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.832021][ T72] ip6_route_add+0x1c/0x140 [ 2094.832021][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2094.832021][ T72] inet6_addr_add+0x4f8/0xa40 [ 2094.832021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.832021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.832021][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.832021][ T72] netlink_unicast+0x449/0x710 [ 2094.832021][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.832021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.832021][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.832021][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.832021][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.832021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.832021][ T72] [ 2094.835333][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2094.835333][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.835333][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.835333][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.835333][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2094.835333][ T72] ipv6_add_addr+0x411/0x2000 [ 2094.835333][ T72] inet6_addr_add+0x30e/0xa40 [ 2094.835333][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.835333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.835333][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.835333][ T72] netlink_unicast+0x449/0x710 [ 2094.835333][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.835333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.835333][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.835333][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.835333][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.835333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.835333][ T72] [ 2094.838606][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2094.838606][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.838606][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.838606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.838606][ T72] ip6_route_add+0x1c/0x140 [ 2094.838606][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2094.838606][ T72] addrconf_add_dev+0xe2/0x170 [ 2094.838606][ T72] inet6_addr_add+0x12f/0xa40 [ 2094.838606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.838606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.838606][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.838606][ T72] netlink_unicast+0x449/0x710 [ 2094.838606][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.838606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.838606][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.838606][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.838606][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.838606][ T72] [ 2094.841807][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2094.841807][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2094.841807][ T72] ipv6_find_idev+0x102/0x170 [ 2094.841807][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.841807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.841807][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.841807][ T72] netlink_unicast+0x449/0x710 [ 2094.841807][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.841807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.841807][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.841807][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.841807][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.841807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.841807][ T72] [ 2094.844301][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2094.844301][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2094.844301][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2094.844301][ T72] ipv6_find_idev+0x102/0x170 [ 2094.844301][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.844301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.844301][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.844301][ T72] netlink_unicast+0x449/0x710 [ 2094.844301][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.844301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.844301][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.844301][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.844301][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.844301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.844301][ T72] [ 2094.847128][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2094.847705][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2094.847705][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2094.847705][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2094.847705][ T72] fib6_nh_init+0xa22/0x1580 [ 2094.847705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.847705][ T72] ip6_route_add+0x1c/0x140 [ 2094.847705][ T72] inet6_rtm_newroute+0x104/0x110 [ 2094.847705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.847705][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.847705][ T72] netlink_unicast+0x449/0x710 [ 2094.847705][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.847705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.847705][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.847705][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.847705][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.847705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.847705][ T72] [ 2094.851147][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2094.851147][ T72] dst_init+0x84/0x4a0 [ 2094.851147][ T72] dst_alloc+0x97/0x150 [ 2094.851147][ T72] ip6_dst_alloc+0x23/0x90 [ 2094.851147][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.851147][ T72] ip6_pol_route+0x56f/0x840 [ 2094.851147][ T72] fib6_rule_lookup+0x456/0x630 [ 2094.851147][ T72] ip6_route_input+0x59c/0xa50 [ 2094.851147][ T72] ipv6_rcv+0x397/0x810 [ 2094.851147][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2094.851147][ T72] process_backlog+0x101/0x620 [ 2094.851147][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2094.851147][ T72] net_rx_action+0x495/0xbe0 [ 2094.851147][ T72] __do_softirq+0x1b5/0x7f6 [ 2094.851147][ T72] [ 2094.854116][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2094.854116][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.854116][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.854116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.854116][ T72] ip6_route_add+0x1c/0x140 [ 2094.854116][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2094.854116][ T72] inet6_addr_add+0x4f8/0xa40 [ 2094.854116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.854116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.854116][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.854116][ T72] netlink_unicast+0x449/0x710 [ 2094.854116][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.854116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.854116][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.854116][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.854116][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.854116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.854116][ T72] [ 2094.857952][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2094.857952][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.857952][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.857952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.857952][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2094.857952][ T72] ipv6_add_addr+0x411/0x2000 [ 2094.857952][ T72] inet6_addr_add+0x30e/0xa40 [ 2094.857952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.857952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.857952][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.857952][ T72] netlink_unicast+0x449/0x710 [ 2094.857952][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.857952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.857952][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.857952][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.857952][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.857952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.857952][ T72] [ 2094.861659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2094.861659][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.861659][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.861659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.861659][ T72] ip6_route_add+0x1c/0x140 [ 2094.861659][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2094.861659][ T72] addrconf_add_dev+0xe2/0x170 [ 2094.861659][ T72] inet6_addr_add+0x12f/0xa40 [ 2094.861659][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.861659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.861659][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.861659][ T72] netlink_unicast+0x449/0x710 [ 2094.861659][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.861659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.861659][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.861659][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.861659][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.861659][ T72] [ 2094.865271][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2094.865271][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2094.865271][ T72] ipv6_find_idev+0x102/0x170 [ 2094.865271][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.865271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.865271][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.865271][ T72] netlink_unicast+0x449/0x710 [ 2094.865271][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.865271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.865271][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.865271][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.865271][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.865271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.865271][ T72] [ 2094.868151][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2094.868151][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2094.868151][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2094.868151][ T72] ipv6_find_idev+0x102/0x170 [ 2094.868151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.868151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.868151][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.868151][ T72] netlink_unicast+0x449/0x710 [ 2094.868151][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.868151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.868151][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.868151][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.868151][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.868151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.868151][ T72] [ 2094.871293][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2094.871841][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2094.871841][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.871841][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.871841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.871841][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2094.871841][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2094.871841][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2094.871841][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2094.871841][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2094.871841][ T72] addrconf_dad_begin+0x310/0x670 [ 2094.871841][ T72] addrconf_dad_work+0x10b/0xab0 [ 2094.871841][ T72] process_one_work+0x84d/0x18a0 [ 2094.871841][ T72] worker_thread+0x587/0xd30 [ 2094.871841][ T72] kthread+0x28a/0x350 [ 2094.871841][ T72] ret_from_fork+0x31/0x70 [ 2094.871841][ T72] ret_from_fork_asm+0x1a/0x30 [ 2094.871841][ T72] [ 2094.875505][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2094.875505][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.875505][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.875505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.875505][ T72] ip6_route_add+0x1c/0x140 [ 2094.875505][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2094.875505][ T72] inet6_addr_add+0x4f8/0xa40 [ 2094.875505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.875505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.875505][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.875505][ T72] netlink_unicast+0x449/0x710 [ 2094.875505][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.875505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.875505][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.875505][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.875505][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.875505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.875505][ T72] [ 2094.879184][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2094.879184][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.879184][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.879184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.879184][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2094.879184][ T72] ipv6_add_addr+0x411/0x2000 [ 2094.879184][ T72] inet6_addr_add+0x30e/0xa40 [ 2094.879184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.879184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.879184][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.879184][ T72] netlink_unicast+0x449/0x710 [ 2094.879184][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.879184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.879184][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.879184][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.879184][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.879184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.879184][ T72] [ 2094.882856][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2094.882856][ T72] netdev_get_by_index+0x5e/0x80 [ 2094.882856][ T72] fib6_nh_init+0x3d8/0x1580 [ 2094.882856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2094.882856][ T72] ip6_route_add+0x1c/0x140 [ 2094.882856][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2094.882856][ T72] addrconf_add_dev+0xe2/0x170 [ 2094.882856][ T72] inet6_addr_add+0x12f/0xa40 [ 2094.882856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.882856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.882856][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.882856][ T72] netlink_unicast+0x449/0x710 [ 2094.882856][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.882856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.882856][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.882856][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.882856][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.882856][ T72] [ 2094.886485][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2094.886485][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2094.886485][ T72] ipv6_find_idev+0x102/0x170 [ 2094.886485][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.886485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.886485][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.886485][ T72] netlink_unicast+0x449/0x710 [ 2094.886485][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.886485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.886485][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.886485][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.886485][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.886485][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.886485][ T72] [ 2094.889415][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2094.889415][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2094.889415][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2094.889415][ T72] ipv6_find_idev+0x102/0x170 [ 2094.889415][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.889415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.889415][ T72] netlink_rcv_skb+0x130/0x360 [ 2094.889415][ T72] netlink_unicast+0x449/0x710 [ 2094.889415][ T72] netlink_sendmsg+0x723/0xbe0 [ 2094.889415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2094.889415][ T72] ___sys_sendmsg+0xee/0x170 [ 2094.889415][ T72] __sys_sendmsg+0xcd/0x170 [ 2094.889415][ T72] do_syscall_64+0xc6/0x1e0 [ 2094.889415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.889415][ T72] [ 2105.129001][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2105.130121][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2105.130121][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2105.130121][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2105.130121][ T72] fib6_nh_init+0xa22/0x1580 [ 2105.130121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.130121][ T72] ip6_route_add+0x1c/0x140 [ 2105.130121][ T72] inet6_rtm_newroute+0x104/0x110 [ 2105.130121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.130121][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.130121][ T72] netlink_unicast+0x449/0x710 [ 2105.130121][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.130121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.130121][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.130121][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.130121][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.130121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.130121][ T72] [ 2105.132114][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2105.132114][ T72] dst_init+0x84/0x4a0 [ 2105.132114][ T72] dst_alloc+0x97/0x150 [ 2105.132114][ T72] ip6_dst_alloc+0x23/0x90 [ 2105.132114][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2105.132114][ T72] ip6_pol_route+0x56f/0x840 [ 2105.132114][ T72] fib6_rule_lookup+0x456/0x630 [ 2105.132114][ T72] ip6_route_input+0x59c/0xa50 [ 2105.132114][ T72] ipv6_rcv+0x397/0x810 [ 2105.132114][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2105.132114][ T72] process_backlog+0x101/0x620 [ 2105.132114][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2105.132114][ T72] net_rx_action+0x495/0xbe0 [ 2105.132114][ T72] __do_softirq+0x1b5/0x7f6 [ 2105.132114][ T72] [ 2105.133706][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2105.133706][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.133706][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.133706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.133706][ T72] ip6_route_add+0x1c/0x140 [ 2105.133706][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2105.133706][ T72] inet6_addr_add+0x4f8/0xa40 [ 2105.133706][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.133706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.133706][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.133706][ T72] netlink_unicast+0x449/0x710 [ 2105.133706][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.133706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.133706][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.133706][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.133706][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.133706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.133706][ T72] [ 2105.135645][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2105.135645][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.135645][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.135645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.135645][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2105.135645][ T72] ipv6_add_addr+0x411/0x2000 [ 2105.135645][ T72] inet6_addr_add+0x30e/0xa40 [ 2105.135645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.135645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.135645][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.135645][ T72] netlink_unicast+0x449/0x710 [ 2105.135645][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.135645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.135645][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.135645][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.135645][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.135645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.135645][ T72] [ 2105.137571][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2105.137571][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.137571][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.137571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.137571][ T72] ip6_route_add+0x1c/0x140 [ 2105.137571][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2105.137571][ T72] addrconf_add_dev+0xe2/0x170 [ 2105.137571][ T72] inet6_addr_add+0x12f/0xa40 [ 2105.137571][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.137571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.137571][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.137571][ T72] netlink_unicast+0x449/0x710 [ 2105.137571][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.137571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.137571][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.137571][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.137571][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.137571][ T72] [ 2105.139578][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2105.139578][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2105.139578][ T72] ipv6_find_idev+0x102/0x170 [ 2105.139578][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.139578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.139578][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.139578][ T72] netlink_unicast+0x449/0x710 [ 2105.139578][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.139578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.139578][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.139578][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.139578][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.139578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.139578][ T72] [ 2105.141012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2105.141012][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2105.141012][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2105.141012][ T72] ipv6_find_idev+0x102/0x170 [ 2105.141012][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.141012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.141012][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.141012][ T72] netlink_unicast+0x449/0x710 [ 2105.141012][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.141012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.141012][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.141012][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.141012][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.141012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.141012][ T72] [ 2105.143035][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2105.143320][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2105.143320][ T72] dst_init+0x84/0x4a0 [ 2105.143320][ T72] dst_alloc+0x97/0x150 [ 2105.143320][ T72] ip6_dst_alloc+0x23/0x90 [ 2105.143320][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2105.143320][ T72] ip6_pol_route+0x56f/0x840 [ 2105.143320][ T72] fib6_rule_lookup+0x456/0x630 [ 2105.143320][ T72] ip6_route_input+0x59c/0xa50 [ 2105.143320][ T72] ipv6_rcv+0x397/0x810 [ 2105.143320][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2105.143320][ T72] process_backlog+0x101/0x620 [ 2105.143320][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2105.143320][ T72] net_rx_action+0x495/0xbe0 [ 2105.143320][ T72] __do_softirq+0x1b5/0x7f6 [ 2105.143320][ T72] [ 2105.144958][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2105.144958][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.144958][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.144958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.144958][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2105.144958][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2105.144958][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2105.144958][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2105.144958][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2105.144958][ T72] addrconf_dad_begin+0x310/0x670 [ 2105.144958][ T72] addrconf_dad_work+0x10b/0xab0 [ 2105.144958][ T72] process_one_work+0x84d/0x18a0 [ 2105.144958][ T72] worker_thread+0x587/0xd30 [ 2105.144958][ T72] kthread+0x28a/0x350 [ 2105.144958][ T72] ret_from_fork+0x31/0x70 [ 2105.144958][ T72] ret_from_fork_asm+0x1a/0x30 [ 2105.144958][ T72] [ 2105.146815][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2105.146815][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.146815][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.146815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.146815][ T72] ip6_route_add+0x1c/0x140 [ 2105.146815][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2105.146815][ T72] inet6_addr_add+0x4f8/0xa40 [ 2105.146815][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.146815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.146815][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.146815][ T72] netlink_unicast+0x449/0x710 [ 2105.146815][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.146815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.146815][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.146815][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.146815][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.146815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.146815][ T72] [ 2105.148801][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2105.148801][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.148801][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.148801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.148801][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2105.148801][ T72] ipv6_add_addr+0x411/0x2000 [ 2105.148801][ T72] inet6_addr_add+0x30e/0xa40 [ 2105.148801][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.148801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.148801][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.148801][ T72] netlink_unicast+0x449/0x710 [ 2105.148801][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.148801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.148801][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.148801][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.148801][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.148801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.148801][ T72] [ 2105.150730][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2105.150730][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.150730][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.150730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.150730][ T72] ip6_route_add+0x1c/0x140 [ 2105.150730][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2105.150730][ T72] addrconf_add_dev+0xe2/0x170 [ 2105.150730][ T72] inet6_addr_add+0x12f/0xa40 [ 2105.150730][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.150730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.150730][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.150730][ T72] netlink_unicast+0x449/0x710 [ 2105.150730][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.150730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.150730][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.150730][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.150730][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.150730][ T72] [ 2105.152617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2105.152617][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2105.152617][ T72] ipv6_find_idev+0x102/0x170 [ 2105.152617][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.152617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.152617][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.152617][ T72] netlink_unicast+0x449/0x710 [ 2105.152617][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.152617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.152617][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.152617][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.152617][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.152617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.152617][ T72] [ 2105.154183][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2105.154183][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2105.154183][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2105.154183][ T72] ipv6_find_idev+0x102/0x170 [ 2105.154183][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.154183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.154183][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.154183][ T72] netlink_unicast+0x449/0x710 [ 2105.154183][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.154183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.154183][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.154183][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.154183][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.154183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.154183][ T72] [ 2105.156007][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2105.156289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2105.156289][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2105.156289][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2105.156289][ T72] fib6_nh_init+0xa22/0x1580 [ 2105.156289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.156289][ T72] ip6_route_add+0x1c/0x140 [ 2105.156289][ T72] inet6_rtm_newroute+0x104/0x110 [ 2105.156289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.156289][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.156289][ T72] netlink_unicast+0x449/0x710 [ 2105.156289][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.156289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.156289][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.156289][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.156289][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.156289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.156289][ T72] [ 2105.158524][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2105.158524][ T72] dst_init+0x84/0x4a0 [ 2105.158524][ T72] dst_alloc+0x97/0x150 [ 2105.158524][ T72] ip6_dst_alloc+0x23/0x90 [ 2105.158524][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2105.158524][ T72] ip6_pol_route+0x56f/0x840 [ 2105.158524][ T72] fib6_rule_lookup+0x456/0x630 [ 2105.158524][ T72] ip6_route_input+0x59c/0xa50 [ 2105.158524][ T72] ipv6_rcv+0x397/0x810 [ 2105.158524][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2105.158524][ T72] process_backlog+0x101/0x620 [ 2105.158524][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2105.158524][ T72] net_rx_action+0x495/0xbe0 [ 2105.158524][ T72] __do_softirq+0x1b5/0x7f6 [ 2105.158524][ T72] [ 2105.160379][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2105.160379][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.160379][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.160379][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.160379][ T72] ip6_route_add+0x1c/0x140 [ 2105.160379][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2105.160379][ T72] inet6_addr_add+0x4f8/0xa40 [ 2105.160379][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.160379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.160379][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.160379][ T72] netlink_unicast+0x449/0x710 [ 2105.160379][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.160379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.160379][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.160379][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.160379][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.160379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.160379][ T72] [ 2105.162623][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2105.162623][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.162623][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.162623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.162623][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2105.162623][ T72] ipv6_add_addr+0x411/0x2000 [ 2105.162623][ T72] inet6_addr_add+0x30e/0xa40 [ 2105.162623][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.162623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.162623][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.162623][ T72] netlink_unicast+0x449/0x710 [ 2105.162623][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.162623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.162623][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.162623][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.162623][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.162623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.162623][ T72] [ 2105.164807][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2105.164807][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.164807][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.164807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.164807][ T72] ip6_route_add+0x1c/0x140 [ 2105.164807][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2105.164807][ T72] addrconf_add_dev+0xe2/0x170 [ 2105.164807][ T72] inet6_addr_add+0x12f/0xa40 [ 2105.164807][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.164807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.164807][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.164807][ T72] netlink_unicast+0x449/0x710 [ 2105.164807][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.164807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.164807][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.164807][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.164807][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.164807][ T72] [ 2105.167145][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2105.167145][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2105.167145][ T72] ipv6_find_idev+0x102/0x170 [ 2105.167145][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.167145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.167145][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.167145][ T72] netlink_unicast+0x449/0x710 [ 2105.167145][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.167145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.167145][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.167145][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.167145][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.167145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.167145][ T72] [ 2105.168880][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2105.168880][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2105.168880][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2105.168880][ T72] ipv6_find_idev+0x102/0x170 [ 2105.168880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.168880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.168880][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.168880][ T72] netlink_unicast+0x449/0x710 [ 2105.168880][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.168880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.168880][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.168880][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.168880][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.168880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.168880][ T72] [ 2105.170805][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2105.171083][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2105.171083][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.171083][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.171083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.171083][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2105.171083][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2105.171083][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2105.171083][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2105.171083][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2105.171083][ T72] addrconf_dad_begin+0x310/0x670 [ 2105.171083][ T72] addrconf_dad_work+0x10b/0xab0 [ 2105.171083][ T72] process_one_work+0x84d/0x18a0 [ 2105.171083][ T72] worker_thread+0x587/0xd30 [ 2105.171083][ T72] kthread+0x28a/0x350 [ 2105.171083][ T72] ret_from_fork+0x31/0x70 [ 2105.171083][ T72] ret_from_fork_asm+0x1a/0x30 [ 2105.171083][ T72] [ 2105.173249][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2105.173249][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.173249][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.173249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.173249][ T72] ip6_route_add+0x1c/0x140 [ 2105.173249][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2105.173249][ T72] inet6_addr_add+0x4f8/0xa40 [ 2105.173249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.173249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.173249][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.173249][ T72] netlink_unicast+0x449/0x710 [ 2105.173249][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.173249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.173249][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.173249][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.173249][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.173249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.173249][ T72] [ 2105.175518][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2105.175518][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.175518][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.175518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.175518][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2105.175518][ T72] ipv6_add_addr+0x411/0x2000 [ 2105.175518][ T72] inet6_addr_add+0x30e/0xa40 [ 2105.175518][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.175518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.175518][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.175518][ T72] netlink_unicast+0x449/0x710 [ 2105.175518][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.175518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.175518][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.175518][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.175518][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.175518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.175518][ T72] [ 2105.177852][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2105.177852][ T72] netdev_get_by_index+0x5e/0x80 [ 2105.177852][ T72] fib6_nh_init+0x3d8/0x1580 [ 2105.177852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2105.177852][ T72] ip6_route_add+0x1c/0x140 [ 2105.177852][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2105.177852][ T72] addrconf_add_dev+0xe2/0x170 [ 2105.177852][ T72] inet6_addr_add+0x12f/0xa40 [ 2105.177852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.177852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.177852][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.177852][ T72] netlink_unicast+0x449/0x710 [ 2105.177852][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.177852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.177852][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.177852][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.177852][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.177852][ T72] [ 2105.180005][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2105.180005][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2105.180005][ T72] ipv6_find_idev+0x102/0x170 [ 2105.180005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.180005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.180005][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.180005][ T72] netlink_unicast+0x449/0x710 [ 2105.180005][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.180005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.180005][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.180005][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.180005][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.180005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.180005][ T72] [ 2105.181758][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2105.181758][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2105.181758][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2105.181758][ T72] ipv6_find_idev+0x102/0x170 [ 2105.181758][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.181758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.181758][ T72] netlink_rcv_skb+0x130/0x360 [ 2105.181758][ T72] netlink_unicast+0x449/0x710 [ 2105.181758][ T72] netlink_sendmsg+0x723/0xbe0 [ 2105.181758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2105.181758][ T72] ___sys_sendmsg+0xee/0x170 [ 2105.181758][ T72] __sys_sendmsg+0xcd/0x170 [ 2105.181758][ T72] do_syscall_64+0xc6/0x1e0 [ 2105.181758][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.181758][ T72] [ 2115.352927][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2115.353435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2115.353435][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2115.353435][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2115.353435][ T72] fib6_nh_init+0xa22/0x1580 [ 2115.353435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.353435][ T72] ip6_route_add+0x1c/0x140 [ 2115.353435][ T72] inet6_rtm_newroute+0x104/0x110 [ 2115.353435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.353435][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.353435][ T72] netlink_unicast+0x449/0x710 [ 2115.353435][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.353435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.353435][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.353435][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.353435][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.353435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.353435][ T72] [ 2115.355344][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2115.355344][ T72] dst_init+0x84/0x4a0 [ 2115.355344][ T72] dst_alloc+0x97/0x150 [ 2115.355344][ T72] ip6_dst_alloc+0x23/0x90 [ 2115.355344][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.355344][ T72] ip6_pol_route+0x56f/0x840 [ 2115.355344][ T72] fib6_rule_lookup+0x456/0x630 [ 2115.355344][ T72] ip6_route_input+0x59c/0xa50 [ 2115.355344][ T72] ipv6_rcv+0x397/0x810 [ 2115.355344][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2115.355344][ T72] process_backlog+0x101/0x620 [ 2115.355344][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2115.355344][ T72] net_rx_action+0x495/0xbe0 [ 2115.355344][ T72] __do_softirq+0x1b5/0x7f6 [ 2115.355344][ T72] [ 2115.356960][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2115.356960][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.356960][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.356960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.356960][ T72] ip6_route_add+0x1c/0x140 [ 2115.356960][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2115.356960][ T72] inet6_addr_add+0x4f8/0xa40 [ 2115.356960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.356960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.356960][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.356960][ T72] netlink_unicast+0x449/0x710 [ 2115.356960][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.356960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.356960][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.356960][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.356960][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.356960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.356960][ T72] [ 2115.358998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2115.358998][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.358998][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.358998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.358998][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2115.358998][ T72] ipv6_add_addr+0x411/0x2000 [ 2115.358998][ T72] inet6_addr_add+0x30e/0xa40 [ 2115.358998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.358998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.358998][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.358998][ T72] netlink_unicast+0x449/0x710 [ 2115.358998][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.358998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.358998][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.358998][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.358998][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.358998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.358998][ T72] [ 2115.360911][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2115.360911][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.360911][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.360911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.360911][ T72] ip6_route_add+0x1c/0x140 [ 2115.360911][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2115.360911][ T72] addrconf_add_dev+0xe2/0x170 [ 2115.360911][ T72] inet6_addr_add+0x12f/0xa40 [ 2115.360911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.360911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.360911][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.360911][ T72] netlink_unicast+0x449/0x710 [ 2115.360911][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.360911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.360911][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.360911][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.360911][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.360911][ T72] [ 2115.362825][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2115.362825][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2115.362825][ T72] ipv6_find_idev+0x102/0x170 [ 2115.362825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.362825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.362825][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.362825][ T72] netlink_unicast+0x449/0x710 [ 2115.362825][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.362825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.362825][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.362825][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.362825][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.362825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.362825][ T72] [ 2115.364340][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2115.364340][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2115.364340][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2115.364340][ T72] ipv6_find_idev+0x102/0x170 [ 2115.364340][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.364340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.364340][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.364340][ T72] netlink_unicast+0x449/0x710 [ 2115.364340][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.364340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.364340][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.364340][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.364340][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.364340][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.364340][ T72] [ 2115.365966][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2115.366258][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2115.366258][ T72] dst_init+0x84/0x4a0 [ 2115.366258][ T72] dst_alloc+0x97/0x150 [ 2115.366258][ T72] ip6_dst_alloc+0x23/0x90 [ 2115.366258][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.366258][ T72] ip6_pol_route+0x56f/0x840 [ 2115.366258][ T72] fib6_rule_lookup+0x456/0x630 [ 2115.366258][ T72] ip6_route_input+0x59c/0xa50 [ 2115.366258][ T72] ipv6_rcv+0x397/0x810 [ 2115.366258][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2115.366258][ T72] process_backlog+0x101/0x620 [ 2115.366258][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2115.366258][ T72] net_rx_action+0x495/0xbe0 [ 2115.366258][ T72] __do_softirq+0x1b5/0x7f6 [ 2115.366258][ T72] [ 2115.367983][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2115.367983][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.367983][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.367983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.367983][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2115.367983][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2115.367983][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2115.367983][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2115.367983][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2115.367983][ T72] addrconf_dad_begin+0x310/0x670 [ 2115.367983][ T72] addrconf_dad_work+0x10b/0xab0 [ 2115.367983][ T72] process_one_work+0x84d/0x18a0 [ 2115.367983][ T72] worker_thread+0x587/0xd30 [ 2115.367983][ T72] kthread+0x28a/0x350 [ 2115.367983][ T72] ret_from_fork+0x31/0x70 [ 2115.367983][ T72] ret_from_fork_asm+0x1a/0x30 [ 2115.367983][ T72] [ 2115.369889][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2115.369889][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.369889][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.369889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.369889][ T72] ip6_route_add+0x1c/0x140 [ 2115.369889][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2115.369889][ T72] inet6_addr_add+0x4f8/0xa40 [ 2115.369889][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.369889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.369889][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.369889][ T72] netlink_unicast+0x449/0x710 [ 2115.369889][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.369889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.369889][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.369889][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.369889][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.369889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.369889][ T72] [ 2115.371823][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2115.371823][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.371823][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.371823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.371823][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2115.371823][ T72] ipv6_add_addr+0x411/0x2000 [ 2115.371823][ T72] inet6_addr_add+0x30e/0xa40 [ 2115.371823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.371823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.371823][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.371823][ T72] netlink_unicast+0x449/0x710 [ 2115.371823][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.371823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.371823][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.371823][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.371823][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.371823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.371823][ T72] [ 2115.373857][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2115.373857][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.373857][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.373857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.373857][ T72] ip6_route_add+0x1c/0x140 [ 2115.373857][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2115.373857][ T72] addrconf_add_dev+0xe2/0x170 [ 2115.373857][ T72] inet6_addr_add+0x12f/0xa40 [ 2115.373857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.373857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.373857][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.373857][ T72] netlink_unicast+0x449/0x710 [ 2115.373857][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.373857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.373857][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.373857][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.373857][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.373857][ T72] [ 2115.375819][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2115.375819][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2115.375819][ T72] ipv6_find_idev+0x102/0x170 [ 2115.375819][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.375819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.375819][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.375819][ T72] netlink_unicast+0x449/0x710 [ 2115.375819][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.375819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.375819][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.375819][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.375819][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.375819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.375819][ T72] [ 2115.377334][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2115.377334][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2115.377334][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2115.377334][ T72] ipv6_find_idev+0x102/0x170 [ 2115.377334][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.377334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.377334][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.377334][ T72] netlink_unicast+0x449/0x710 [ 2115.377334][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.377334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.377334][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.377334][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.377334][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.377334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.377334][ T72] [ 2115.379180][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2115.379473][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2115.379473][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2115.379473][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2115.379473][ T72] fib6_nh_init+0xa22/0x1580 [ 2115.379473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.379473][ T72] ip6_route_add+0x1c/0x140 [ 2115.379473][ T72] inet6_rtm_newroute+0x104/0x110 [ 2115.379473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.379473][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.379473][ T72] netlink_unicast+0x449/0x710 [ 2115.379473][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.379473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.379473][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.379473][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.379473][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.379473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.379473][ T72] [ 2115.381659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2115.381659][ T72] dst_init+0x84/0x4a0 [ 2115.381659][ T72] dst_alloc+0x97/0x150 [ 2115.381659][ T72] ip6_dst_alloc+0x23/0x90 [ 2115.381659][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.381659][ T72] ip6_pol_route+0x56f/0x840 [ 2115.381659][ T72] fib6_rule_lookup+0x456/0x630 [ 2115.381659][ T72] ip6_route_input+0x59c/0xa50 [ 2115.381659][ T72] ipv6_rcv+0x397/0x810 [ 2115.381659][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2115.381659][ T72] process_backlog+0x101/0x620 [ 2115.381659][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2115.381659][ T72] net_rx_action+0x495/0xbe0 [ 2115.381659][ T72] __do_softirq+0x1b5/0x7f6 [ 2115.381659][ T72] [ 2115.383563][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2115.383563][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.383563][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.383563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.383563][ T72] ip6_route_add+0x1c/0x140 [ 2115.383563][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2115.383563][ T72] inet6_addr_add+0x4f8/0xa40 [ 2115.383563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.383563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.383563][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.383563][ T72] netlink_unicast+0x449/0x710 [ 2115.383563][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.383563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.383563][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.383563][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.383563][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.383563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.383563][ T72] [ 2115.385833][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2115.385833][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.385833][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.385833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.385833][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2115.385833][ T72] ipv6_add_addr+0x411/0x2000 [ 2115.385833][ T72] inet6_addr_add+0x30e/0xa40 [ 2115.385833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.385833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.385833][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.385833][ T72] netlink_unicast+0x449/0x710 [ 2115.385833][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.385833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.385833][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.385833][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.385833][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.385833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.385833][ T72] [ 2115.388043][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2115.388043][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.388043][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.388043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.388043][ T72] ip6_route_add+0x1c/0x140 [ 2115.388043][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2115.388043][ T72] addrconf_add_dev+0xe2/0x170 [ 2115.388043][ T72] inet6_addr_add+0x12f/0xa40 [ 2115.388043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.388043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.388043][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.388043][ T72] netlink_unicast+0x449/0x710 [ 2115.388043][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.388043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.388043][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.388043][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.388043][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.388043][ T72] [ 2115.390285][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2115.390285][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2115.390285][ T72] ipv6_find_idev+0x102/0x170 [ 2115.390285][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.390285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.390285][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.390285][ T72] netlink_unicast+0x449/0x710 [ 2115.390285][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.390285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.390285][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.390285][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.390285][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.390285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.390285][ T72] [ 2115.392028][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2115.392028][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2115.392028][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2115.392028][ T72] ipv6_find_idev+0x102/0x170 [ 2115.392028][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.392028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.392028][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.392028][ T72] netlink_unicast+0x449/0x710 [ 2115.392028][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.392028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.392028][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.392028][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.392028][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.392028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.392028][ T72] [ 2115.393942][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2115.394289][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2115.394289][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.394289][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.394289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.394289][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2115.394289][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2115.394289][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2115.394289][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2115.394289][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2115.394289][ T72] addrconf_dad_begin+0x310/0x670 [ 2115.394289][ T72] addrconf_dad_work+0x10b/0xab0 [ 2115.394289][ T72] process_one_work+0x84d/0x18a0 [ 2115.394289][ T72] worker_thread+0x587/0xd30 [ 2115.394289][ T72] kthread+0x28a/0x350 [ 2115.394289][ T72] ret_from_fork+0x31/0x70 [ 2115.394289][ T72] ret_from_fork_asm+0x1a/0x30 [ 2115.394289][ T72] [ 2115.396839][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2115.396839][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.396839][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.396839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.396839][ T72] ip6_route_add+0x1c/0x140 [ 2115.396839][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2115.396839][ T72] inet6_addr_add+0x4f8/0xa40 [ 2115.396839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.396839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.396839][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.396839][ T72] netlink_unicast+0x449/0x710 [ 2115.396839][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.396839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.396839][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.396839][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.396839][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.396839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.396839][ T72] [ 2115.399097][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2115.399097][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.399097][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.399097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.399097][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2115.399097][ T72] ipv6_add_addr+0x411/0x2000 [ 2115.399097][ T72] inet6_addr_add+0x30e/0xa40 [ 2115.399097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.399097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.399097][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.399097][ T72] netlink_unicast+0x449/0x710 [ 2115.399097][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.399097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.399097][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.399097][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.399097][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.399097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.399097][ T72] [ 2115.401381][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2115.401381][ T72] netdev_get_by_index+0x5e/0x80 [ 2115.401381][ T72] fib6_nh_init+0x3d8/0x1580 [ 2115.401381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2115.401381][ T72] ip6_route_add+0x1c/0x140 [ 2115.401381][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2115.401381][ T72] addrconf_add_dev+0xe2/0x170 [ 2115.401381][ T72] inet6_addr_add+0x12f/0xa40 [ 2115.401381][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.401381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.401381][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.401381][ T72] netlink_unicast+0x449/0x710 [ 2115.401381][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.401381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.401381][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.401381][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.401381][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.401381][ T72] [ 2115.403602][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2115.403602][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2115.403602][ T72] ipv6_find_idev+0x102/0x170 [ 2115.403602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.403602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.403602][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.403602][ T72] netlink_unicast+0x449/0x710 [ 2115.403602][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.403602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.403602][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.403602][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.403602][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.403602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.403602][ T72] [ 2115.405297][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2115.405297][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2115.405297][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2115.405297][ T72] ipv6_find_idev+0x102/0x170 [ 2115.405297][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.405297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.405297][ T72] netlink_rcv_skb+0x130/0x360 [ 2115.405297][ T72] netlink_unicast+0x449/0x710 [ 2115.405297][ T72] netlink_sendmsg+0x723/0xbe0 [ 2115.405297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2115.405297][ T72] ___sys_sendmsg+0xee/0x170 [ 2115.405297][ T72] __sys_sendmsg+0xcd/0x170 [ 2115.405297][ T72] do_syscall_64+0xc6/0x1e0 [ 2115.405297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.405297][ T72] [ 2125.497068][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2125.497650][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2125.497650][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2125.497650][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2125.497650][ T72] fib6_nh_init+0xa22/0x1580 [ 2125.497650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.497650][ T72] ip6_route_add+0x1c/0x140 [ 2125.497650][ T72] inet6_rtm_newroute+0x104/0x110 [ 2125.497650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.497650][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.497650][ T72] netlink_unicast+0x449/0x710 [ 2125.497650][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.497650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.497650][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.497650][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.497650][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.497650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.497650][ T72] [ 2125.499580][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2125.499580][ T72] dst_init+0x84/0x4a0 [ 2125.499580][ T72] dst_alloc+0x97/0x150 [ 2125.499580][ T72] ip6_dst_alloc+0x23/0x90 [ 2125.499580][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.499580][ T72] ip6_pol_route+0x56f/0x840 [ 2125.499580][ T72] fib6_rule_lookup+0x456/0x630 [ 2125.499580][ T72] ip6_route_input+0x59c/0xa50 [ 2125.499580][ T72] ipv6_rcv+0x397/0x810 [ 2125.499580][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2125.499580][ T72] process_backlog+0x101/0x620 [ 2125.499580][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2125.499580][ T72] net_rx_action+0x495/0xbe0 [ 2125.499580][ T72] __do_softirq+0x1b5/0x7f6 [ 2125.499580][ T72] [ 2125.501116][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2125.501116][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.501116][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.501116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.501116][ T72] ip6_route_add+0x1c/0x140 [ 2125.501116][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2125.501116][ T72] inet6_addr_add+0x4f8/0xa40 [ 2125.501116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.501116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.501116][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.501116][ T72] netlink_unicast+0x449/0x710 [ 2125.501116][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.501116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.501116][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.501116][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.501116][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.501116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.501116][ T72] [ 2125.503148][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2125.503148][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.503148][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.503148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.503148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2125.503148][ T72] ipv6_add_addr+0x411/0x2000 [ 2125.503148][ T72] inet6_addr_add+0x30e/0xa40 [ 2125.503148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.503148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.503148][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.503148][ T72] netlink_unicast+0x449/0x710 [ 2125.503148][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.503148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.503148][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.503148][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.503148][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.503148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.503148][ T72] [ 2125.505163][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2125.505163][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.505163][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.505163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.505163][ T72] ip6_route_add+0x1c/0x140 [ 2125.505163][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2125.505163][ T72] addrconf_add_dev+0xe2/0x170 [ 2125.505163][ T72] inet6_addr_add+0x12f/0xa40 [ 2125.505163][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.505163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.505163][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.505163][ T72] netlink_unicast+0x449/0x710 [ 2125.505163][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.505163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.505163][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.505163][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.505163][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.505163][ T72] [ 2125.507073][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2125.507073][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2125.507073][ T72] ipv6_find_idev+0x102/0x170 [ 2125.507073][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.507073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.507073][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.507073][ T72] netlink_unicast+0x449/0x710 [ 2125.507073][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.507073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.507073][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.507073][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.507073][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.507073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.507073][ T72] [ 2125.508631][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2125.508631][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2125.508631][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2125.508631][ T72] ipv6_find_idev+0x102/0x170 [ 2125.508631][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.508631][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.508631][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.508631][ T72] netlink_unicast+0x449/0x710 [ 2125.508631][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.508631][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.508631][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.508631][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.508631][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.508631][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.508631][ T72] [ 2125.510381][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2125.510675][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2125.510675][ T72] dst_init+0x84/0x4a0 [ 2125.510675][ T72] dst_alloc+0x97/0x150 [ 2125.510675][ T72] ip6_dst_alloc+0x23/0x90 [ 2125.510675][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.510675][ T72] ip6_pol_route+0x56f/0x840 [ 2125.510675][ T72] fib6_rule_lookup+0x456/0x630 [ 2125.510675][ T72] ip6_route_input+0x59c/0xa50 [ 2125.510675][ T72] ipv6_rcv+0x397/0x810 [ 2125.510675][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2125.510675][ T72] process_backlog+0x101/0x620 [ 2125.510675][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2125.510675][ T72] net_rx_action+0x495/0xbe0 [ 2125.510675][ T72] __do_softirq+0x1b5/0x7f6 [ 2125.510675][ T72] [ 2125.512337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2125.512337][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.512337][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.512337][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.512337][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2125.512337][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2125.512337][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2125.512337][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2125.512337][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2125.512337][ T72] addrconf_dad_begin+0x310/0x670 [ 2125.512337][ T72] addrconf_dad_work+0x10b/0xab0 [ 2125.512337][ T72] process_one_work+0x84d/0x18a0 [ 2125.512337][ T72] worker_thread+0x587/0xd30 [ 2125.512337][ T72] kthread+0x28a/0x350 [ 2125.512337][ T72] ret_from_fork+0x31/0x70 [ 2125.512337][ T72] ret_from_fork_asm+0x1a/0x30 [ 2125.512337][ T72] [ 2125.514246][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2125.514246][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.514246][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.514246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.514246][ T72] ip6_route_add+0x1c/0x140 [ 2125.514246][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2125.514246][ T72] inet6_addr_add+0x4f8/0xa40 [ 2125.514246][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.514246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.514246][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.514246][ T72] netlink_unicast+0x449/0x710 [ 2125.514246][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.514246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.514246][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.514246][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.514246][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.514246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.514246][ T72] [ 2125.516207][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2125.516207][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.516207][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.516207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.516207][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2125.516207][ T72] ipv6_add_addr+0x411/0x2000 [ 2125.516207][ T72] inet6_addr_add+0x30e/0xa40 [ 2125.516207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.516207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.516207][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.516207][ T72] netlink_unicast+0x449/0x710 [ 2125.516207][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.516207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.516207][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.516207][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.516207][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.516207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.516207][ T72] [ 2125.518215][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2125.518215][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.518215][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.518215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.518215][ T72] ip6_route_add+0x1c/0x140 [ 2125.518215][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2125.518215][ T72] addrconf_add_dev+0xe2/0x170 [ 2125.518215][ T72] inet6_addr_add+0x12f/0xa40 [ 2125.518215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.518215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.518215][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.518215][ T72] netlink_unicast+0x449/0x710 [ 2125.518215][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.518215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.518215][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.518215][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.518215][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.518215][ T72] [ 2125.520205][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2125.520205][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2125.520205][ T72] ipv6_find_idev+0x102/0x170 [ 2125.520205][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.520205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.520205][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.520205][ T72] netlink_unicast+0x449/0x710 [ 2125.520205][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.520205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.520205][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.520205][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.520205][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.520205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.520205][ T72] [ 2125.521741][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2125.521741][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2125.521741][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2125.521741][ T72] ipv6_find_idev+0x102/0x170 [ 2125.521741][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.521741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.521741][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.521741][ T72] netlink_unicast+0x449/0x710 [ 2125.521741][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.521741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.521741][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.521741][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.521741][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.521741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.521741][ T72] [ 2125.523503][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2125.523791][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2125.523791][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2125.523791][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2125.523791][ T72] fib6_nh_init+0xa22/0x1580 [ 2125.523791][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.523791][ T72] ip6_route_add+0x1c/0x140 [ 2125.523791][ T72] inet6_rtm_newroute+0x104/0x110 [ 2125.523791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.523791][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.523791][ T72] netlink_unicast+0x449/0x710 [ 2125.523791][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.523791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.523791][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.523791][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.523791][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.523791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.523791][ T72] [ 2125.525980][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2125.525980][ T72] dst_init+0x84/0x4a0 [ 2125.525980][ T72] dst_alloc+0x97/0x150 [ 2125.525980][ T72] ip6_dst_alloc+0x23/0x90 [ 2125.525980][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.525980][ T72] ip6_pol_route+0x56f/0x840 [ 2125.525980][ T72] fib6_rule_lookup+0x456/0x630 [ 2125.525980][ T72] ip6_route_input+0x59c/0xa50 [ 2125.525980][ T72] ipv6_rcv+0x397/0x810 [ 2125.525980][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2125.525980][ T72] process_backlog+0x101/0x620 [ 2125.525980][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2125.525980][ T72] net_rx_action+0x495/0xbe0 [ 2125.525980][ T72] __do_softirq+0x1b5/0x7f6 [ 2125.525980][ T72] [ 2125.527773][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2125.527773][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.527773][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.527773][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.527773][ T72] ip6_route_add+0x1c/0x140 [ 2125.527773][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2125.527773][ T72] inet6_addr_add+0x4f8/0xa40 [ 2125.527773][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.527773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.527773][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.527773][ T72] netlink_unicast+0x449/0x710 [ 2125.527773][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.527773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.527773][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.527773][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.527773][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.527773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.527773][ T72] [ 2125.529987][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2125.529987][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.529987][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.529987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.529987][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2125.529987][ T72] ipv6_add_addr+0x411/0x2000 [ 2125.529987][ T72] inet6_addr_add+0x30e/0xa40 [ 2125.529987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.529987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.529987][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.529987][ T72] netlink_unicast+0x449/0x710 [ 2125.529987][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.529987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.529987][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.529987][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.529987][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.529987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.529987][ T72] [ 2125.532104][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2125.532104][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.532104][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.532104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.532104][ T72] ip6_route_add+0x1c/0x140 [ 2125.532104][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2125.532104][ T72] addrconf_add_dev+0xe2/0x170 [ 2125.532104][ T72] inet6_addr_add+0x12f/0xa40 [ 2125.532104][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.532104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.532104][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.532104][ T72] netlink_unicast+0x449/0x710 [ 2125.532104][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.532104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.532104][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.532104][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.532104][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.532104][ T72] [ 2125.534397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2125.534397][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2125.534397][ T72] ipv6_find_idev+0x102/0x170 [ 2125.534397][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.534397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.534397][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.534397][ T72] netlink_unicast+0x449/0x710 [ 2125.534397][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.534397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.534397][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.534397][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.534397][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.534397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.534397][ T72] [ 2125.536120][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2125.536120][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2125.536120][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2125.536120][ T72] ipv6_find_idev+0x102/0x170 [ 2125.536120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.536120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.536120][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.536120][ T72] netlink_unicast+0x449/0x710 [ 2125.536120][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.536120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.536120][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.536120][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.536120][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.536120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.536120][ T72] [ 2125.538018][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2125.538359][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2125.538359][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.538359][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.538359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.538359][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2125.538359][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2125.538359][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2125.538359][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2125.538359][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2125.538359][ T72] addrconf_dad_begin+0x310/0x670 [ 2125.538359][ T72] addrconf_dad_work+0x10b/0xab0 [ 2125.538359][ T72] process_one_work+0x84d/0x18a0 [ 2125.538359][ T72] worker_thread+0x587/0xd30 [ 2125.538359][ T72] kthread+0x28a/0x350 [ 2125.538359][ T72] ret_from_fork+0x31/0x70 [ 2125.538359][ T72] ret_from_fork_asm+0x1a/0x30 [ 2125.538359][ T72] [ 2125.540409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2125.540409][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.540409][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.540409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.540409][ T72] ip6_route_add+0x1c/0x140 [ 2125.540409][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2125.540409][ T72] inet6_addr_add+0x4f8/0xa40 [ 2125.540409][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.540409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.540409][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.540409][ T72] netlink_unicast+0x449/0x710 [ 2125.540409][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.540409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.540409][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.540409][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.540409][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.540409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.540409][ T72] [ 2125.542663][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2125.542663][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.542663][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.542663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.542663][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2125.542663][ T72] ipv6_add_addr+0x411/0x2000 [ 2125.542663][ T72] inet6_addr_add+0x30e/0xa40 [ 2125.542663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.542663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.542663][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.542663][ T72] netlink_unicast+0x449/0x710 [ 2125.542663][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.542663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.542663][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.542663][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.542663][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.542663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.542663][ T72] [ 2125.544933][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2125.544933][ T72] netdev_get_by_index+0x5e/0x80 [ 2125.544933][ T72] fib6_nh_init+0x3d8/0x1580 [ 2125.544933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2125.544933][ T72] ip6_route_add+0x1c/0x140 [ 2125.544933][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2125.544933][ T72] addrconf_add_dev+0xe2/0x170 [ 2125.544933][ T72] inet6_addr_add+0x12f/0xa40 [ 2125.544933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.544933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.544933][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.544933][ T72] netlink_unicast+0x449/0x710 [ 2125.544933][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.544933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.544933][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.544933][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.544933][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.544933][ T72] [ 2125.547122][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2125.547122][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2125.547122][ T72] ipv6_find_idev+0x102/0x170 [ 2125.547122][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.547122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.547122][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.547122][ T72] netlink_unicast+0x449/0x710 [ 2125.547122][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.547122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.547122][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.547122][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.547122][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.547122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.547122][ T72] [ 2125.548896][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2125.548896][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2125.548896][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2125.548896][ T72] ipv6_find_idev+0x102/0x170 [ 2125.548896][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.548896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.548896][ T72] netlink_rcv_skb+0x130/0x360 [ 2125.548896][ T72] netlink_unicast+0x449/0x710 [ 2125.548896][ T72] netlink_sendmsg+0x723/0xbe0 [ 2125.548896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2125.548896][ T72] ___sys_sendmsg+0xee/0x170 [ 2125.548896][ T72] __sys_sendmsg+0xcd/0x170 [ 2125.548896][ T72] do_syscall_64+0xc6/0x1e0 [ 2125.548896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.548896][ T72] [ 2135.656922][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2135.657410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2135.657410][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2135.657410][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2135.657410][ T72] fib6_nh_init+0xa22/0x1580 [ 2135.657410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.657410][ T72] ip6_route_add+0x1c/0x140 [ 2135.657410][ T72] inet6_rtm_newroute+0x104/0x110 [ 2135.657410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.657410][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.657410][ T72] netlink_unicast+0x449/0x710 [ 2135.657410][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.657410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.657410][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.657410][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.657410][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.657410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.657410][ T72] [ 2135.659305][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2135.659305][ T72] dst_init+0x84/0x4a0 [ 2135.659305][ T72] dst_alloc+0x97/0x150 [ 2135.659305][ T72] ip6_dst_alloc+0x23/0x90 [ 2135.659305][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.659305][ T72] ip6_pol_route+0x56f/0x840 [ 2135.659305][ T72] fib6_rule_lookup+0x456/0x630 [ 2135.659305][ T72] ip6_route_input+0x59c/0xa50 [ 2135.659305][ T72] ipv6_rcv+0x397/0x810 [ 2135.659305][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2135.659305][ T72] process_backlog+0x101/0x620 [ 2135.659305][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2135.659305][ T72] net_rx_action+0x495/0xbe0 [ 2135.659305][ T72] __do_softirq+0x1b5/0x7f6 [ 2135.659305][ T72] [ 2135.660940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2135.660940][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.660940][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.660940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.660940][ T72] ip6_route_add+0x1c/0x140 [ 2135.660940][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2135.660940][ T72] inet6_addr_add+0x4f8/0xa40 [ 2135.660940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.660940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.660940][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.660940][ T72] netlink_unicast+0x449/0x710 [ 2135.660940][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.660940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.660940][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.660940][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.660940][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.660940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.660940][ T72] [ 2135.662947][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2135.662947][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.662947][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.662947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.662947][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2135.662947][ T72] ipv6_add_addr+0x411/0x2000 [ 2135.662947][ T72] inet6_addr_add+0x30e/0xa40 [ 2135.662947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.662947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.662947][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.662947][ T72] netlink_unicast+0x449/0x710 [ 2135.662947][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.662947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.662947][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.662947][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.662947][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.662947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.662947][ T72] [ 2135.664880][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2135.664880][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.664880][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.664880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.664880][ T72] ip6_route_add+0x1c/0x140 [ 2135.664880][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2135.664880][ T72] addrconf_add_dev+0xe2/0x170 [ 2135.664880][ T72] inet6_addr_add+0x12f/0xa40 [ 2135.664880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.664880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.664880][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.664880][ T72] netlink_unicast+0x449/0x710 [ 2135.664880][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.664880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.664880][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.664880][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.664880][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.664880][ T72] [ 2135.666773][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2135.666773][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2135.666773][ T72] ipv6_find_idev+0x102/0x170 [ 2135.666773][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.666773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.666773][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.666773][ T72] netlink_unicast+0x449/0x710 [ 2135.666773][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.666773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.666773][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.666773][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.666773][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.666773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.666773][ T72] [ 2135.668269][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2135.668269][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2135.668269][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2135.668269][ T72] ipv6_find_idev+0x102/0x170 [ 2135.668269][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.668269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.668269][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.668269][ T72] netlink_unicast+0x449/0x710 [ 2135.668269][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.668269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.668269][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.668269][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.668269][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.668269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.668269][ T72] [ 2135.670017][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2135.670292][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2135.670292][ T72] dst_init+0x84/0x4a0 [ 2135.670292][ T72] dst_alloc+0x97/0x150 [ 2135.670292][ T72] ip6_dst_alloc+0x23/0x90 [ 2135.670292][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.670292][ T72] ip6_pol_route+0x56f/0x840 [ 2135.670292][ T72] fib6_rule_lookup+0x456/0x630 [ 2135.670292][ T72] ip6_route_input+0x59c/0xa50 [ 2135.670292][ T72] ipv6_rcv+0x397/0x810 [ 2135.670292][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2135.670292][ T72] process_backlog+0x101/0x620 [ 2135.670292][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2135.670292][ T72] net_rx_action+0x495/0xbe0 [ 2135.670292][ T72] __do_softirq+0x1b5/0x7f6 [ 2135.670292][ T72] [ 2135.671952][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2135.671952][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.671952][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.671952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.671952][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2135.671952][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2135.671952][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2135.671952][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2135.671952][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2135.671952][ T72] addrconf_dad_begin+0x310/0x670 [ 2135.671952][ T72] addrconf_dad_work+0x10b/0xab0 [ 2135.671952][ T72] process_one_work+0x84d/0x18a0 [ 2135.671952][ T72] worker_thread+0x587/0xd30 [ 2135.671952][ T72] kthread+0x28a/0x350 [ 2135.671952][ T72] ret_from_fork+0x31/0x70 [ 2135.671952][ T72] ret_from_fork_asm+0x1a/0x30 [ 2135.671952][ T72] [ 2135.673844][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2135.673844][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.673844][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.673844][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.673844][ T72] ip6_route_add+0x1c/0x140 [ 2135.673844][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2135.673844][ T72] inet6_addr_add+0x4f8/0xa40 [ 2135.673844][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.673844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.673844][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.673844][ T72] netlink_unicast+0x449/0x710 [ 2135.673844][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.673844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.673844][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.673844][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.673844][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.673844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.673844][ T72] [ 2135.675849][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2135.675849][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.675849][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.675849][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.675849][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2135.675849][ T72] ipv6_add_addr+0x411/0x2000 [ 2135.675849][ T72] inet6_addr_add+0x30e/0xa40 [ 2135.675849][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.675849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.675849][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.675849][ T72] netlink_unicast+0x449/0x710 [ 2135.675849][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.675849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.675849][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.675849][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.675849][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.675849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.675849][ T72] [ 2135.678372][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2135.678372][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.678372][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.678372][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.678372][ T72] ip6_route_add+0x1c/0x140 [ 2135.678372][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2135.678372][ T72] addrconf_add_dev+0xe2/0x170 [ 2135.678372][ T72] inet6_addr_add+0x12f/0xa40 [ 2135.678372][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.678372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.678372][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.678372][ T72] netlink_unicast+0x449/0x710 [ 2135.678372][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.678372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.678372][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.678372][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.678372][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.678372][ T72] [ 2135.680338][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2135.680338][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2135.680338][ T72] ipv6_find_idev+0x102/0x170 [ 2135.680338][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.680338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.680338][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.680338][ T72] netlink_unicast+0x449/0x710 [ 2135.680338][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.680338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.680338][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.680338][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.680338][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.680338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.680338][ T72] [ 2135.682230][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2135.682230][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2135.682230][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2135.682230][ T72] ipv6_find_idev+0x102/0x170 [ 2135.682230][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.682230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.682230][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.682230][ T72] netlink_unicast+0x449/0x710 [ 2135.682230][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.682230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.682230][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.682230][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.682230][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.682230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.682230][ T72] [ 2135.684014][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2135.684303][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2135.684303][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2135.684303][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2135.684303][ T72] fib6_nh_init+0xa22/0x1580 [ 2135.684303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.684303][ T72] ip6_route_add+0x1c/0x140 [ 2135.684303][ T72] inet6_rtm_newroute+0x104/0x110 [ 2135.684303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.684303][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.684303][ T72] netlink_unicast+0x449/0x710 [ 2135.684303][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.684303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.684303][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.684303][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.684303][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.684303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.684303][ T72] [ 2135.686476][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2135.686476][ T72] dst_init+0x84/0x4a0 [ 2135.686476][ T72] dst_alloc+0x97/0x150 [ 2135.686476][ T72] ip6_dst_alloc+0x23/0x90 [ 2135.686476][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.686476][ T72] ip6_pol_route+0x56f/0x840 [ 2135.686476][ T72] fib6_rule_lookup+0x456/0x630 [ 2135.686476][ T72] ip6_route_input+0x59c/0xa50 [ 2135.686476][ T72] ipv6_rcv+0x397/0x810 [ 2135.686476][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2135.686476][ T72] process_backlog+0x101/0x620 [ 2135.686476][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2135.686476][ T72] net_rx_action+0x495/0xbe0 [ 2135.686476][ T72] __do_softirq+0x1b5/0x7f6 [ 2135.686476][ T72] [ 2135.688285][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2135.688285][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.688285][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.688285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.688285][ T72] ip6_route_add+0x1c/0x140 [ 2135.688285][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2135.688285][ T72] inet6_addr_add+0x4f8/0xa40 [ 2135.688285][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.688285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.688285][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.688285][ T72] netlink_unicast+0x449/0x710 [ 2135.688285][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.688285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.688285][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.688285][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.688285][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.688285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.688285][ T72] [ 2135.690443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2135.690443][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.690443][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.690443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.690443][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2135.690443][ T72] ipv6_add_addr+0x411/0x2000 [ 2135.690443][ T72] inet6_addr_add+0x30e/0xa40 [ 2135.690443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.690443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.690443][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.690443][ T72] netlink_unicast+0x449/0x710 [ 2135.690443][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.690443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.690443][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.690443][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.690443][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.690443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.690443][ T72] [ 2135.692601][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2135.692601][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.692601][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.692601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.692601][ T72] ip6_route_add+0x1c/0x140 [ 2135.692601][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2135.692601][ T72] addrconf_add_dev+0xe2/0x170 [ 2135.692601][ T72] inet6_addr_add+0x12f/0xa40 [ 2135.692601][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.692601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.692601][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.692601][ T72] netlink_unicast+0x449/0x710 [ 2135.692601][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.692601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.692601][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.692601][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.692601][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.692601][ T72] [ 2135.694848][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2135.694848][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2135.694848][ T72] ipv6_find_idev+0x102/0x170 [ 2135.694848][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.694848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.694848][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.694848][ T72] netlink_unicast+0x449/0x710 [ 2135.694848][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.694848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.694848][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.694848][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.694848][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.694848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.694848][ T72] [ 2135.696552][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2135.696552][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2135.696552][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2135.696552][ T72] ipv6_find_idev+0x102/0x170 [ 2135.696552][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.696552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.696552][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.696552][ T72] netlink_unicast+0x449/0x710 [ 2135.696552][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.696552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.696552][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.696552][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.696552][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.696552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.696552][ T72] [ 2135.698520][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2135.698869][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2135.698869][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.698869][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.698869][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.698869][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2135.698869][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2135.698869][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2135.698869][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2135.698869][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2135.698869][ T72] addrconf_dad_begin+0x310/0x670 [ 2135.698869][ T72] addrconf_dad_work+0x10b/0xab0 [ 2135.698869][ T72] process_one_work+0x84d/0x18a0 [ 2135.698869][ T72] worker_thread+0x587/0xd30 [ 2135.698869][ T72] kthread+0x28a/0x350 [ 2135.698869][ T72] ret_from_fork+0x31/0x70 [ 2135.698869][ T72] ret_from_fork_asm+0x1a/0x30 [ 2135.698869][ T72] [ 2135.700882][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2135.700882][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.700882][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.700882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.700882][ T72] ip6_route_add+0x1c/0x140 [ 2135.700882][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2135.700882][ T72] inet6_addr_add+0x4f8/0xa40 [ 2135.700882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.700882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.700882][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.700882][ T72] netlink_unicast+0x449/0x710 [ 2135.700882][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.700882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.700882][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.700882][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.700882][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.700882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.700882][ T72] [ 2135.703113][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2135.703113][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.703113][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.703113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.703113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2135.703113][ T72] ipv6_add_addr+0x411/0x2000 [ 2135.703113][ T72] inet6_addr_add+0x30e/0xa40 [ 2135.703113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.703113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.703113][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.703113][ T72] netlink_unicast+0x449/0x710 [ 2135.703113][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.703113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.703113][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.703113][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.703113][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.703113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.703113][ T72] [ 2135.705389][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2135.705389][ T72] netdev_get_by_index+0x5e/0x80 [ 2135.705389][ T72] fib6_nh_init+0x3d8/0x1580 [ 2135.705389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2135.705389][ T72] ip6_route_add+0x1c/0x140 [ 2135.705389][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2135.705389][ T72] addrconf_add_dev+0xe2/0x170 [ 2135.705389][ T72] inet6_addr_add+0x12f/0xa40 [ 2135.705389][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.705389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.705389][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.705389][ T72] netlink_unicast+0x449/0x710 [ 2135.705389][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.705389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.705389][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.705389][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.705389][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.705389][ T72] [ 2135.707593][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2135.707593][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2135.707593][ T72] ipv6_find_idev+0x102/0x170 [ 2135.707593][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.707593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.707593][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.707593][ T72] netlink_unicast+0x449/0x710 [ 2135.707593][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.707593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.707593][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.707593][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.707593][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.707593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.707593][ T72] [ 2135.709300][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2135.709300][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2135.709300][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2135.709300][ T72] ipv6_find_idev+0x102/0x170 [ 2135.709300][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.709300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.709300][ T72] netlink_rcv_skb+0x130/0x360 [ 2135.709300][ T72] netlink_unicast+0x449/0x710 [ 2135.709300][ T72] netlink_sendmsg+0x723/0xbe0 [ 2135.709300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2135.709300][ T72] ___sys_sendmsg+0xee/0x170 [ 2135.709300][ T72] __sys_sendmsg+0xcd/0x170 [ 2135.709300][ T72] do_syscall_64+0xc6/0x1e0 [ 2135.709300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.709300][ T72] [ 2145.960976][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2145.962058][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2145.962058][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2145.962058][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2145.962058][ T72] fib6_nh_init+0xa22/0x1580 [ 2145.962058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.962058][ T72] ip6_route_add+0x1c/0x140 [ 2145.962058][ T72] inet6_rtm_newroute+0x104/0x110 [ 2145.962058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.962058][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.962058][ T72] netlink_unicast+0x449/0x710 [ 2145.962058][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.962058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.962058][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.962058][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.962058][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.962058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.962058][ T72] [ 2145.963941][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2145.963941][ T72] dst_init+0x84/0x4a0 [ 2145.963941][ T72] dst_alloc+0x97/0x150 [ 2145.963941][ T72] ip6_dst_alloc+0x23/0x90 [ 2145.963941][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.963941][ T72] ip6_pol_route+0x56f/0x840 [ 2145.963941][ T72] fib6_rule_lookup+0x456/0x630 [ 2145.963941][ T72] ip6_route_input+0x59c/0xa50 [ 2145.963941][ T72] ipv6_rcv+0x397/0x810 [ 2145.963941][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2145.963941][ T72] process_backlog+0x101/0x620 [ 2145.963941][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2145.963941][ T72] net_rx_action+0x495/0xbe0 [ 2145.963941][ T72] __do_softirq+0x1b5/0x7f6 [ 2145.963941][ T72] [ 2145.965574][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2145.965574][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.965574][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.965574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.965574][ T72] ip6_route_add+0x1c/0x140 [ 2145.965574][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2145.965574][ T72] inet6_addr_add+0x4f8/0xa40 [ 2145.965574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.965574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.965574][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.965574][ T72] netlink_unicast+0x449/0x710 [ 2145.965574][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.965574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.965574][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.965574][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.965574][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.965574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.965574][ T72] [ 2145.967528][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2145.967528][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.967528][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.967528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.967528][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2145.967528][ T72] ipv6_add_addr+0x411/0x2000 [ 2145.967528][ T72] inet6_addr_add+0x30e/0xa40 [ 2145.967528][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.967528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.967528][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.967528][ T72] netlink_unicast+0x449/0x710 [ 2145.967528][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.967528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.967528][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.967528][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.967528][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.967528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.967528][ T72] [ 2145.969513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2145.969513][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.969513][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.969513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.969513][ T72] ip6_route_add+0x1c/0x140 [ 2145.969513][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.969513][ T72] addrconf_add_dev+0xe2/0x170 [ 2145.969513][ T72] inet6_addr_add+0x12f/0xa40 [ 2145.969513][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.969513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.969513][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.969513][ T72] netlink_unicast+0x449/0x710 [ 2145.969513][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.969513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.969513][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.969513][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.969513][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.969513][ T72] [ 2145.971458][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2145.971458][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2145.971458][ T72] ipv6_find_idev+0x102/0x170 [ 2145.971458][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.971458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.971458][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.971458][ T72] netlink_unicast+0x449/0x710 [ 2145.971458][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.971458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.971458][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.971458][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.971458][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.971458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.971458][ T72] [ 2145.972944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2145.972944][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2145.972944][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2145.972944][ T72] ipv6_find_idev+0x102/0x170 [ 2145.972944][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.972944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.972944][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.972944][ T72] netlink_unicast+0x449/0x710 [ 2145.972944][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.972944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.972944][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.972944][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.972944][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.972944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.972944][ T72] [ 2145.974614][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2145.974893][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2145.974893][ T72] dst_init+0x84/0x4a0 [ 2145.974893][ T72] dst_alloc+0x97/0x150 [ 2145.974893][ T72] ip6_dst_alloc+0x23/0x90 [ 2145.974893][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.974893][ T72] ip6_pol_route+0x56f/0x840 [ 2145.974893][ T72] fib6_rule_lookup+0x456/0x630 [ 2145.974893][ T72] ip6_route_input+0x59c/0xa50 [ 2145.974893][ T72] ipv6_rcv+0x397/0x810 [ 2145.974893][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2145.974893][ T72] process_backlog+0x101/0x620 [ 2145.974893][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2145.974893][ T72] net_rx_action+0x495/0xbe0 [ 2145.974893][ T72] __do_softirq+0x1b5/0x7f6 [ 2145.974893][ T72] [ 2145.976532][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2145.976532][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.976532][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.976532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.976532][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2145.976532][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2145.976532][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2145.976532][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2145.976532][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2145.976532][ T72] addrconf_dad_begin+0x310/0x670 [ 2145.976532][ T72] addrconf_dad_work+0x10b/0xab0 [ 2145.976532][ T72] process_one_work+0x84d/0x18a0 [ 2145.976532][ T72] worker_thread+0x587/0xd30 [ 2145.976532][ T72] kthread+0x28a/0x350 [ 2145.976532][ T72] ret_from_fork+0x31/0x70 [ 2145.976532][ T72] ret_from_fork_asm+0x1a/0x30 [ 2145.976532][ T72] [ 2145.978428][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2145.978428][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.978428][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.978428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.978428][ T72] ip6_route_add+0x1c/0x140 [ 2145.978428][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2145.978428][ T72] inet6_addr_add+0x4f8/0xa40 [ 2145.978428][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.978428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.978428][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.978428][ T72] netlink_unicast+0x449/0x710 [ 2145.978428][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.978428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.978428][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.978428][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.978428][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.978428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.978428][ T72] [ 2145.980376][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2145.980376][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.980376][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.980376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.980376][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2145.980376][ T72] ipv6_add_addr+0x411/0x2000 [ 2145.980376][ T72] inet6_addr_add+0x30e/0xa40 [ 2145.980376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.980376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.980376][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.980376][ T72] netlink_unicast+0x449/0x710 [ 2145.980376][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.980376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.980376][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.980376][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.980376][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.980376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.980376][ T72] [ 2145.982340][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2145.982340][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.982340][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.982340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.982340][ T72] ip6_route_add+0x1c/0x140 [ 2145.982340][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.982340][ T72] addrconf_add_dev+0xe2/0x170 [ 2145.982340][ T72] inet6_addr_add+0x12f/0xa40 [ 2145.982340][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.982340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.982340][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.982340][ T72] netlink_unicast+0x449/0x710 [ 2145.982340][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.982340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.982340][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.982340][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.982340][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.982340][ T72] [ 2145.984263][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2145.984263][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2145.984263][ T72] ipv6_find_idev+0x102/0x170 [ 2145.984263][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.984263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.984263][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.984263][ T72] netlink_unicast+0x449/0x710 [ 2145.984263][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.984263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.984263][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.984263][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.984263][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.984263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.984263][ T72] [ 2145.985751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2145.985751][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2145.985751][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2145.985751][ T72] ipv6_find_idev+0x102/0x170 [ 2145.985751][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.985751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.985751][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.985751][ T72] netlink_unicast+0x449/0x710 [ 2145.985751][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.985751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.985751][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.985751][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.985751][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.985751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.985751][ T72] [ 2145.987544][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2145.987814][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2145.987814][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2145.987814][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2145.987814][ T72] fib6_nh_init+0xa22/0x1580 [ 2145.987814][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.987814][ T72] ip6_route_add+0x1c/0x140 [ 2145.987814][ T72] inet6_rtm_newroute+0x104/0x110 [ 2145.987814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.987814][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.987814][ T72] netlink_unicast+0x449/0x710 [ 2145.987814][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.987814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.987814][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.987814][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.987814][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.987814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.987814][ T72] [ 2145.989998][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2145.989998][ T72] dst_init+0x84/0x4a0 [ 2145.989998][ T72] dst_alloc+0x97/0x150 [ 2145.989998][ T72] ip6_dst_alloc+0x23/0x90 [ 2145.989998][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.989998][ T72] ip6_pol_route+0x56f/0x840 [ 2145.989998][ T72] fib6_rule_lookup+0x456/0x630 [ 2145.989998][ T72] ip6_route_input+0x59c/0xa50 [ 2145.989998][ T72] ipv6_rcv+0x397/0x810 [ 2145.989998][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2145.989998][ T72] process_backlog+0x101/0x620 [ 2145.989998][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2145.989998][ T72] net_rx_action+0x495/0xbe0 [ 2145.989998][ T72] __do_softirq+0x1b5/0x7f6 [ 2145.989998][ T72] [ 2145.991799][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2145.991799][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.991799][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.991799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.991799][ T72] ip6_route_add+0x1c/0x140 [ 2145.991799][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2145.991799][ T72] inet6_addr_add+0x4f8/0xa40 [ 2145.991799][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.991799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.991799][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.991799][ T72] netlink_unicast+0x449/0x710 [ 2145.991799][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.991799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.991799][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.991799][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.991799][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.991799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.991799][ T72] [ 2145.993987][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2145.993987][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.993987][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.993987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.993987][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2145.993987][ T72] ipv6_add_addr+0x411/0x2000 [ 2145.993987][ T72] inet6_addr_add+0x30e/0xa40 [ 2145.993987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.993987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.993987][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.993987][ T72] netlink_unicast+0x449/0x710 [ 2145.993987][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.993987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.993987][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.993987][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.993987][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.993987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.993987][ T72] [ 2145.996207][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2145.996207][ T72] netdev_get_by_index+0x5e/0x80 [ 2145.996207][ T72] fib6_nh_init+0x3d8/0x1580 [ 2145.996207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2145.996207][ T72] ip6_route_add+0x1c/0x140 [ 2145.996207][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.996207][ T72] addrconf_add_dev+0xe2/0x170 [ 2145.996207][ T72] inet6_addr_add+0x12f/0xa40 [ 2145.996207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.996207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.996207][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.996207][ T72] netlink_unicast+0x449/0x710 [ 2145.996207][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.996207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.996207][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.996207][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.996207][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.996207][ T72] [ 2145.998462][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2145.998462][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2145.998462][ T72] ipv6_find_idev+0x102/0x170 [ 2145.998462][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.998462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.998462][ T72] netlink_rcv_skb+0x130/0x360 [ 2145.998462][ T72] netlink_unicast+0x449/0x710 [ 2145.998462][ T72] netlink_sendmsg+0x723/0xbe0 [ 2145.998462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2145.998462][ T72] ___sys_sendmsg+0xee/0x170 [ 2145.998462][ T72] __sys_sendmsg+0xcd/0x170 [ 2145.998462][ T72] do_syscall_64+0xc6/0x1e0 [ 2145.998462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.998462][ T72] [ 2146.000184][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2146.000184][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2146.000184][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2146.000184][ T72] ipv6_find_idev+0x102/0x170 [ 2146.000184][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2146.000184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2146.000184][ T72] netlink_rcv_skb+0x130/0x360 [ 2146.000184][ T72] netlink_unicast+0x449/0x710 [ 2146.000184][ T72] netlink_sendmsg+0x723/0xbe0 [ 2146.000184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2146.000184][ T72] ___sys_sendmsg+0xee/0x170 [ 2146.000184][ T72] __sys_sendmsg+0xcd/0x170 [ 2146.000184][ T72] do_syscall_64+0xc6/0x1e0 [ 2146.000184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2146.000184][ T72] [ 2146.002082][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2146.002351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2146.002351][ T72] netdev_get_by_index+0x5e/0x80 [ 2146.002351][ T72] fib6_nh_init+0x3d8/0x1580 [ 2146.002351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2146.002351][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2146.002351][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2146.002351][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2146.002351][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2146.002351][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2146.002351][ T72] addrconf_dad_begin+0x310/0x670 [ 2146.002351][ T72] addrconf_dad_work+0x10b/0xab0 [ 2146.002351][ T72] process_one_work+0x84d/0x18a0 [ 2146.002351][ T72] worker_thread+0x587/0xd30 [ 2146.002351][ T72] kthread+0x28a/0x350 [ 2146.002351][ T72] ret_from_fork+0x31/0x70 [ 2146.002351][ T72] ret_from_fork_asm+0x1a/0x30 [ 2146.002351][ T72] [ 2146.004487][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2146.004487][ T72] netdev_get_by_index+0x5e/0x80 [ 2146.004487][ T72] fib6_nh_init+0x3d8/0x1580 [ 2146.004487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2146.004487][ T72] ip6_route_add+0x1c/0x140 [ 2146.004487][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2146.004487][ T72] inet6_addr_add+0x4f8/0xa40 [ 2146.004487][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2146.004487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2146.004487][ T72] netlink_rcv_skb+0x130/0x360 [ 2146.004487][ T72] netlink_unicast+0x449/0x710 [ 2146.004487][ T72] netlink_sendmsg+0x723/0xbe0 [ 2146.004487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2146.004487][ T72] ___sys_sendmsg+0xee/0x170 [ 2146.004487][ T72] __sys_sendmsg+0xcd/0x170 [ 2146.004487][ T72] do_syscall_64+0xc6/0x1e0 [ 2146.004487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2146.004487][ T72] [ 2146.006723][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2146.006723][ T72] netdev_get_by_index+0x5e/0x80 [ 2146.006723][ T72] fib6_nh_init+0x3d8/0x1580 [ 2146.006723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2146.006723][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2146.006723][ T72] ipv6_add_addr+0x411/0x2000 [ 2146.006723][ T72] inet6_addr_add+0x30e/0xa40 [ 2146.006723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2146.006723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2146.006723][ T72] netlink_rcv_skb+0x130/0x360 [ 2146.006723][ T72] netlink_unicast+0x449/0x710 [ 2146.006723][ T72] netlink_sendmsg+0x723/0xbe0 [ 2146.006723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2146.006723][ T72] ___sys_sendmsg+0xee/0x170 [ 2146.006723][ T72] __sys_sendmsg+0xcd/0x170 [ 2146.006723][ T72] do_syscall_64+0xc6/0x1e0 [ 2146.006723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2146.006723][ T72] [ 2146.009019][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2146.009019][ T72] netdev_get_by_index+0x5e/0x80 [ 2146.009019][ T72] fib6_nh_init+0x3d8/0x1580 [ 2146.009019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2146.009019][ T72] ip6_route_add+0x1c/0x140 [ 2146.009019][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2146.009019][ T72] addrconf_add_dev+0xe2/0x170 [ 2146.009019][ T72] inet6_addr_add+0x12f/0xa40 [ 2146.009019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2146.009019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2146.009019][ T72] netlink_rcv_skb+0x130/0x360 [ 2146.009019][ T72] netlink_unicast+0x449/0x710 [ 2146.009019][ T72] netlink_sendmsg+0x723/0xbe0 [ 2146.009019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2146.009019][ T72] ___sys_sendmsg+0xee/0x170 [ 2146.009019][ T72] __sys_sendmsg+0xcd/0x170 [ 2146.009019][ T72] do_syscall_64+0xc6/0x1e0 [ 2146.009019][ T72] [ 2146.011138][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2146.011138][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2146.011138][ T72] ipv6_find_idev+0x102/0x170 [ 2146.011138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2146.011138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2146.011138][ T72] netlink_rcv_skb+0x130/0x360 [ 2146.011138][ T72] netlink_unicast+0x449/0x710 [ 2146.011138][ T72] netlink_sendmsg+0x723/0xbe0 [ 2146.011138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2146.011138][ T72] ___sys_sendmsg+0xee/0x170 [ 2146.011138][ T72] __sys_sendmsg+0xcd/0x170 [ 2146.011138][ T72] do_syscall_64+0xc6/0x1e0 [ 2146.011138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2146.011138][ T72] [ 2146.012843][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2146.012843][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2146.012843][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2146.012843][ T72] ipv6_find_idev+0x102/0x170 [ 2146.012843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2146.012843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2146.012843][ T72] netlink_rcv_skb+0x130/0x360 [ 2146.012843][ T72] netlink_unicast+0x449/0x710 [ 2146.012843][ T72] netlink_sendmsg+0x723/0xbe0 [ 2146.012843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2146.012843][ T72] ___sys_sendmsg+0xee/0x170 [ 2146.012843][ T72] __sys_sendmsg+0xcd/0x170 [ 2146.012843][ T72] do_syscall_64+0xc6/0x1e0 [ 2146.012843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2146.012843][ T72] [ 2156.256974][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2156.257514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2156.257514][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2156.257514][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2156.257514][ T72] fib6_nh_init+0xa22/0x1580 [ 2156.257514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.257514][ T72] ip6_route_add+0x1c/0x140 [ 2156.257514][ T72] inet6_rtm_newroute+0x104/0x110 [ 2156.257514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.257514][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.257514][ T72] netlink_unicast+0x449/0x710 [ 2156.257514][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.257514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.257514][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.257514][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.257514][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.257514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.257514][ T72] [ 2156.259471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2156.259471][ T72] dst_init+0x84/0x4a0 [ 2156.259471][ T72] dst_alloc+0x97/0x150 [ 2156.259471][ T72] ip6_dst_alloc+0x23/0x90 [ 2156.259471][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2156.259471][ T72] ip6_pol_route+0x56f/0x840 [ 2156.259471][ T72] fib6_rule_lookup+0x456/0x630 [ 2156.259471][ T72] ip6_route_input+0x59c/0xa50 [ 2156.259471][ T72] ipv6_rcv+0x397/0x810 [ 2156.259471][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2156.259471][ T72] process_backlog+0x101/0x620 [ 2156.259471][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2156.259471][ T72] net_rx_action+0x495/0xbe0 [ 2156.259471][ T72] __do_softirq+0x1b5/0x7f6 [ 2156.259471][ T72] [ 2156.261102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2156.261102][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.261102][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.261102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.261102][ T72] ip6_route_add+0x1c/0x140 [ 2156.261102][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2156.261102][ T72] inet6_addr_add+0x4f8/0xa40 [ 2156.261102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.261102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.261102][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.261102][ T72] netlink_unicast+0x449/0x710 [ 2156.261102][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.261102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.261102][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.261102][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.261102][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.261102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.261102][ T72] [ 2156.263092][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2156.263092][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.263092][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.263092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.263092][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2156.263092][ T72] ipv6_add_addr+0x411/0x2000 [ 2156.263092][ T72] inet6_addr_add+0x30e/0xa40 [ 2156.263092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.263092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.263092][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.263092][ T72] netlink_unicast+0x449/0x710 [ 2156.263092][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.263092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.263092][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.263092][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.263092][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.263092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.263092][ T72] [ 2156.265110][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2156.265110][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.265110][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.265110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.265110][ T72] ip6_route_add+0x1c/0x140 [ 2156.265110][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2156.265110][ T72] addrconf_add_dev+0xe2/0x170 [ 2156.265110][ T72] inet6_addr_add+0x12f/0xa40 [ 2156.265110][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.265110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.265110][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.265110][ T72] netlink_unicast+0x449/0x710 [ 2156.265110][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.265110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.265110][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.265110][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.265110][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.265110][ T72] [ 2156.267084][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2156.267084][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2156.267084][ T72] ipv6_find_idev+0x102/0x170 [ 2156.267084][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2156.267084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.267084][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.267084][ T72] netlink_unicast+0x449/0x710 [ 2156.267084][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.267084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.267084][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.267084][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.267084][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.267084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.267084][ T72] [ 2156.268617][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2156.268617][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2156.268617][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2156.268617][ T72] ipv6_find_idev+0x102/0x170 [ 2156.268617][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2156.268617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.268617][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.268617][ T72] netlink_unicast+0x449/0x710 [ 2156.268617][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.268617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.268617][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.268617][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.268617][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.268617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.268617][ T72] [ 2156.270322][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2156.270592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2156.270592][ T72] dst_init+0x84/0x4a0 [ 2156.270592][ T72] dst_alloc+0x97/0x150 [ 2156.270592][ T72] ip6_dst_alloc+0x23/0x90 [ 2156.270592][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2156.270592][ T72] ip6_pol_route+0x56f/0x840 [ 2156.270592][ T72] fib6_rule_lookup+0x456/0x630 [ 2156.270592][ T72] ip6_route_input+0x59c/0xa50 [ 2156.270592][ T72] ipv6_rcv+0x397/0x810 [ 2156.270592][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2156.270592][ T72] process_backlog+0x101/0x620 [ 2156.270592][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2156.270592][ T72] net_rx_action+0x495/0xbe0 [ 2156.270592][ T72] __do_softirq+0x1b5/0x7f6 [ 2156.270592][ T72] [ 2156.272251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2156.272251][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.272251][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.272251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.272251][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2156.272251][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2156.272251][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2156.272251][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2156.272251][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2156.272251][ T72] addrconf_dad_begin+0x310/0x670 [ 2156.272251][ T72] addrconf_dad_work+0x10b/0xab0 [ 2156.272251][ T72] process_one_work+0x84d/0x18a0 [ 2156.272251][ T72] worker_thread+0x587/0xd30 [ 2156.272251][ T72] kthread+0x28a/0x350 [ 2156.272251][ T72] ret_from_fork+0x31/0x70 [ 2156.272251][ T72] ret_from_fork_asm+0x1a/0x30 [ 2156.272251][ T72] [ 2156.274147][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2156.274147][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.274147][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.274147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.274147][ T72] ip6_route_add+0x1c/0x140 [ 2156.274147][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2156.274147][ T72] inet6_addr_add+0x4f8/0xa40 [ 2156.274147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.274147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.274147][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.274147][ T72] netlink_unicast+0x449/0x710 [ 2156.274147][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.274147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.274147][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.274147][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.274147][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.274147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.274147][ T72] [ 2156.276142][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2156.276142][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.276142][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.276142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.276142][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2156.276142][ T72] ipv6_add_addr+0x411/0x2000 [ 2156.276142][ T72] inet6_addr_add+0x30e/0xa40 [ 2156.276142][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.276142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.276142][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.276142][ T72] netlink_unicast+0x449/0x710 [ 2156.276142][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.276142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.276142][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.276142][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.276142][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.276142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.276142][ T72] [ 2156.278170][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2156.278170][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.278170][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.278170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.278170][ T72] ip6_route_add+0x1c/0x140 [ 2156.278170][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2156.278170][ T72] addrconf_add_dev+0xe2/0x170 [ 2156.278170][ T72] inet6_addr_add+0x12f/0xa40 [ 2156.278170][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.278170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.278170][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.278170][ T72] netlink_unicast+0x449/0x710 [ 2156.278170][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.278170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.278170][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.278170][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.278170][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.278170][ T72] [ 2156.280103][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2156.280103][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2156.280103][ T72] ipv6_find_idev+0x102/0x170 [ 2156.280103][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2156.280103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.280103][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.280103][ T72] netlink_unicast+0x449/0x710 [ 2156.280103][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.280103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.280103][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.280103][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.280103][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.280103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.280103][ T72] [ 2156.281630][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2156.281630][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2156.281630][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2156.281630][ T72] ipv6_find_idev+0x102/0x170 [ 2156.281630][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2156.281630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.281630][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.281630][ T72] netlink_unicast+0x449/0x710 [ 2156.281630][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.281630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.281630][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.281630][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.281630][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.281630][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.281630][ T72] [ 2156.283420][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2156.283688][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2156.283688][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2156.283688][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2156.283688][ T72] fib6_nh_init+0xa22/0x1580 [ 2156.283688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.283688][ T72] ip6_route_add+0x1c/0x140 [ 2156.283688][ T72] inet6_rtm_newroute+0x104/0x110 [ 2156.283688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.283688][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.283688][ T72] netlink_unicast+0x449/0x710 [ 2156.283688][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.283688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.283688][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.283688][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.283688][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.283688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.283688][ T72] [ 2156.285862][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2156.285862][ T72] dst_init+0x84/0x4a0 [ 2156.285862][ T72] dst_alloc+0x97/0x150 [ 2156.285862][ T72] ip6_dst_alloc+0x23/0x90 [ 2156.285862][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2156.285862][ T72] ip6_pol_route+0x56f/0x840 [ 2156.285862][ T72] fib6_rule_lookup+0x456/0x630 [ 2156.285862][ T72] ip6_route_input+0x59c/0xa50 [ 2156.285862][ T72] ipv6_rcv+0x397/0x810 [ 2156.285862][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2156.285862][ T72] process_backlog+0x101/0x620 [ 2156.285862][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2156.285862][ T72] net_rx_action+0x495/0xbe0 [ 2156.285862][ T72] __do_softirq+0x1b5/0x7f6 [ 2156.285862][ T72] [ 2156.287693][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2156.287693][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.287693][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.287693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.287693][ T72] ip6_route_add+0x1c/0x140 [ 2156.287693][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2156.287693][ T72] inet6_addr_add+0x4f8/0xa40 [ 2156.287693][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.287693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.287693][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.287693][ T72] netlink_unicast+0x449/0x710 [ 2156.287693][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.287693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.287693][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.287693][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.287693][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.287693][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.287693][ T72] [ 2156.289873][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2156.289873][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.289873][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.289873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.289873][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2156.289873][ T72] ipv6_add_addr+0x411/0x2000 [ 2156.289873][ T72] inet6_addr_add+0x30e/0xa40 [ 2156.289873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.289873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.289873][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.289873][ T72] netlink_unicast+0x449/0x710 [ 2156.289873][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.289873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.289873][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.289873][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.289873][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.289873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.289873][ T72] [ 2156.292103][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2156.292103][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.292103][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.292103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.292103][ T72] ip6_route_add+0x1c/0x140 [ 2156.292103][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2156.292103][ T72] addrconf_add_dev+0xe2/0x170 [ 2156.292103][ T72] inet6_addr_add+0x12f/0xa40 [ 2156.292103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.292103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.292103][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.292103][ T72] netlink_unicast+0x449/0x710 [ 2156.292103][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.292103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.292103][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.292103][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.292103][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.292103][ T72] [ 2156.294891][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2156.294891][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2156.294891][ T72] ipv6_find_idev+0x102/0x170 [ 2156.294891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2156.294891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.294891][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.294891][ T72] netlink_unicast+0x449/0x710 [ 2156.294891][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.294891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.294891][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.294891][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.294891][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.294891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.294891][ T72] [ 2156.296591][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2156.296591][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2156.296591][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2156.296591][ T72] ipv6_find_idev+0x102/0x170 [ 2156.296591][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2156.296591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.296591][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.296591][ T72] netlink_unicast+0x449/0x710 [ 2156.296591][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.296591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.296591][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.296591][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.296591][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.296591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.296591][ T72] [ 2156.298465][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2156.298815][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2156.298815][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.298815][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.298815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.298815][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2156.298815][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2156.298815][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2156.298815][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2156.298815][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2156.298815][ T72] addrconf_dad_begin+0x310/0x670 [ 2156.298815][ T72] addrconf_dad_work+0x10b/0xab0 [ 2156.298815][ T72] process_one_work+0x84d/0x18a0 [ 2156.298815][ T72] worker_thread+0x587/0xd30 [ 2156.298815][ T72] kthread+0x28a/0x350 [ 2156.298815][ T72] ret_from_fork+0x31/0x70 [ 2156.298815][ T72] ret_from_fork_asm+0x1a/0x30 [ 2156.298815][ T72] [ 2156.300882][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2156.300882][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.300882][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.300882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.300882][ T72] ip6_route_add+0x1c/0x140 [ 2156.300882][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2156.300882][ T72] inet6_addr_add+0x4f8/0xa40 [ 2156.300882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.300882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.300882][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.300882][ T72] netlink_unicast+0x449/0x710 [ 2156.300882][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.300882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.300882][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.300882][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.300882][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.300882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.300882][ T72] [ 2156.303470][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2156.303470][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.303470][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.303470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.303470][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2156.303470][ T72] ipv6_add_addr+0x411/0x2000 [ 2156.303470][ T72] inet6_addr_add+0x30e/0xa40 [ 2156.303470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.303470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.303470][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.303470][ T72] netlink_unicast+0x449/0x710 [ 2156.303470][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.303470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.303470][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.303470][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.303470][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.303470][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.303470][ T72] [ 2156.305760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2156.305760][ T72] netdev_get_by_index+0x5e/0x80 [ 2156.305760][ T72] fib6_nh_init+0x3d8/0x1580 [ 2156.305760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2156.305760][ T72] ip6_route_add+0x1c/0x140 [ 2156.305760][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2156.305760][ T72] addrconf_add_dev+0xe2/0x170 [ 2156.305760][ T72] inet6_addr_add+0x12f/0xa40 [ 2156.305760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2156.305760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.305760][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.305760][ T72] netlink_unicast+0x449/0x710 [ 2156.305760][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.305760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.305760][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.305760][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.305760][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.305760][ T72] [ 2156.307949][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2156.307949][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2156.307949][ T72] ipv6_find_idev+0x102/0x170 [ 2156.307949][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2156.307949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.307949][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.307949][ T72] netlink_unicast+0x449/0x710 [ 2156.307949][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.307949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.307949][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.307949][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.307949][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.307949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.307949][ T72] [ 2156.309666][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2156.309666][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2156.309666][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2156.309666][ T72] ipv6_find_idev+0x102/0x170 [ 2156.309666][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2156.309666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2156.309666][ T72] netlink_rcv_skb+0x130/0x360 [ 2156.309666][ T72] netlink_unicast+0x449/0x710 [ 2156.309666][ T72] netlink_sendmsg+0x723/0xbe0 [ 2156.309666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2156.309666][ T72] ___sys_sendmsg+0xee/0x170 [ 2156.309666][ T72] __sys_sendmsg+0xcd/0x170 [ 2156.309666][ T72] do_syscall_64+0xc6/0x1e0 [ 2156.309666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2156.309666][ T72] [ 2166.368999][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2166.370087][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2166.370087][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2166.370087][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2166.370087][ T72] fib6_nh_init+0xa22/0x1580 [ 2166.370087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.370087][ T72] ip6_route_add+0x1c/0x140 [ 2166.370087][ T72] inet6_rtm_newroute+0x104/0x110 [ 2166.370087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.370087][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.370087][ T72] netlink_unicast+0x449/0x710 [ 2166.370087][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.370087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.370087][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.370087][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.370087][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.370087][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.370087][ T72] [ 2166.371979][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2166.371979][ T72] dst_init+0x84/0x4a0 [ 2166.371979][ T72] dst_alloc+0x97/0x150 [ 2166.371979][ T72] ip6_dst_alloc+0x23/0x90 [ 2166.371979][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.371979][ T72] ip6_pol_route+0x56f/0x840 [ 2166.371979][ T72] fib6_rule_lookup+0x456/0x630 [ 2166.371979][ T72] ip6_route_input+0x59c/0xa50 [ 2166.371979][ T72] ipv6_rcv+0x397/0x810 [ 2166.371979][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2166.371979][ T72] process_backlog+0x101/0x620 [ 2166.371979][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2166.371979][ T72] net_rx_action+0x495/0xbe0 [ 2166.371979][ T72] __do_softirq+0x1b5/0x7f6 [ 2166.371979][ T72] [ 2166.373714][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2166.373714][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.373714][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.373714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.373714][ T72] ip6_route_add+0x1c/0x140 [ 2166.373714][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2166.373714][ T72] inet6_addr_add+0x4f8/0xa40 [ 2166.373714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.373714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.373714][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.373714][ T72] netlink_unicast+0x449/0x710 [ 2166.373714][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.373714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.373714][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.373714][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.373714][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.373714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.373714][ T72] [ 2166.375695][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2166.375695][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.375695][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.375695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.375695][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2166.375695][ T72] ipv6_add_addr+0x411/0x2000 [ 2166.375695][ T72] inet6_addr_add+0x30e/0xa40 [ 2166.375695][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.375695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.375695][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.375695][ T72] netlink_unicast+0x449/0x710 [ 2166.375695][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.375695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.375695][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.375695][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.375695][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.375695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.375695][ T72] [ 2166.377717][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2166.377717][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.377717][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.377717][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.377717][ T72] ip6_route_add+0x1c/0x140 [ 2166.377717][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2166.377717][ T72] addrconf_add_dev+0xe2/0x170 [ 2166.377717][ T72] inet6_addr_add+0x12f/0xa40 [ 2166.377717][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.377717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.377717][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.377717][ T72] netlink_unicast+0x449/0x710 [ 2166.377717][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.377717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.377717][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.377717][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.377717][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.377717][ T72] [ 2166.379698][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2166.379698][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2166.379698][ T72] ipv6_find_idev+0x102/0x170 [ 2166.379698][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.379698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.379698][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.379698][ T72] netlink_unicast+0x449/0x710 [ 2166.379698][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.379698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.379698][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.379698][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.379698][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.379698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.379698][ T72] [ 2166.381204][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2166.381204][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2166.381204][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2166.381204][ T72] ipv6_find_idev+0x102/0x170 [ 2166.381204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.381204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.381204][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.381204][ T72] netlink_unicast+0x449/0x710 [ 2166.381204][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.381204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.381204][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.381204][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.381204][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.381204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.381204][ T72] [ 2166.382881][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2166.383155][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2166.383155][ T72] dst_init+0x84/0x4a0 [ 2166.383155][ T72] dst_alloc+0x97/0x150 [ 2166.383155][ T72] ip6_dst_alloc+0x23/0x90 [ 2166.383155][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.383155][ T72] ip6_pol_route+0x56f/0x840 [ 2166.383155][ T72] fib6_rule_lookup+0x456/0x630 [ 2166.383155][ T72] ip6_route_input+0x59c/0xa50 [ 2166.383155][ T72] ipv6_rcv+0x397/0x810 [ 2166.383155][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2166.383155][ T72] process_backlog+0x101/0x620 [ 2166.383155][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2166.383155][ T72] net_rx_action+0x495/0xbe0 [ 2166.383155][ T72] __do_softirq+0x1b5/0x7f6 [ 2166.383155][ T72] [ 2166.384784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2166.384784][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.384784][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.384784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.384784][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2166.384784][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2166.384784][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2166.384784][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2166.384784][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2166.384784][ T72] addrconf_dad_begin+0x310/0x670 [ 2166.384784][ T72] addrconf_dad_work+0x10b/0xab0 [ 2166.384784][ T72] process_one_work+0x84d/0x18a0 [ 2166.384784][ T72] worker_thread+0x587/0xd30 [ 2166.384784][ T72] kthread+0x28a/0x350 [ 2166.384784][ T72] ret_from_fork+0x31/0x70 [ 2166.384784][ T72] ret_from_fork_asm+0x1a/0x30 [ 2166.384784][ T72] [ 2166.386705][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2166.386705][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.386705][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.386705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.386705][ T72] ip6_route_add+0x1c/0x140 [ 2166.386705][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2166.386705][ T72] inet6_addr_add+0x4f8/0xa40 [ 2166.386705][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.386705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.386705][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.386705][ T72] netlink_unicast+0x449/0x710 [ 2166.386705][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.386705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.386705][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.386705][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.386705][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.386705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.386705][ T72] [ 2166.388700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2166.388700][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.388700][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.388700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.388700][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2166.388700][ T72] ipv6_add_addr+0x411/0x2000 [ 2166.388700][ T72] inet6_addr_add+0x30e/0xa40 [ 2166.388700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.388700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.388700][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.388700][ T72] netlink_unicast+0x449/0x710 [ 2166.388700][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.388700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.388700][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.388700][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.388700][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.388700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.388700][ T72] [ 2166.390689][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2166.390689][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.390689][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.390689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.390689][ T72] ip6_route_add+0x1c/0x140 [ 2166.390689][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2166.390689][ T72] addrconf_add_dev+0xe2/0x170 [ 2166.390689][ T72] inet6_addr_add+0x12f/0xa40 [ 2166.390689][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.390689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.390689][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.390689][ T72] netlink_unicast+0x449/0x710 [ 2166.390689][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.390689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.390689][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.390689][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.390689][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.390689][ T72] [ 2166.392668][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2166.392668][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2166.392668][ T72] ipv6_find_idev+0x102/0x170 [ 2166.392668][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.392668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.392668][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.392668][ T72] netlink_unicast+0x449/0x710 [ 2166.392668][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.392668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.392668][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.392668][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.392668][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.392668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.392668][ T72] [ 2166.394192][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2166.394192][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2166.394192][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2166.394192][ T72] ipv6_find_idev+0x102/0x170 [ 2166.394192][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.394192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.394192][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.394192][ T72] netlink_unicast+0x449/0x710 [ 2166.394192][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.394192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.394192][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.394192][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.394192][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.394192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.394192][ T72] [ 2166.395993][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2166.396265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2166.396265][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2166.396265][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2166.396265][ T72] fib6_nh_init+0xa22/0x1580 [ 2166.396265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.396265][ T72] ip6_route_add+0x1c/0x140 [ 2166.396265][ T72] inet6_rtm_newroute+0x104/0x110 [ 2166.396265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.396265][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.396265][ T72] netlink_unicast+0x449/0x710 [ 2166.396265][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.396265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.396265][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.396265][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.396265][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.396265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.396265][ T72] [ 2166.398458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2166.398458][ T72] dst_init+0x84/0x4a0 [ 2166.398458][ T72] dst_alloc+0x97/0x150 [ 2166.398458][ T72] ip6_dst_alloc+0x23/0x90 [ 2166.398458][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.398458][ T72] ip6_pol_route+0x56f/0x840 [ 2166.398458][ T72] fib6_rule_lookup+0x456/0x630 [ 2166.398458][ T72] ip6_route_input+0x59c/0xa50 [ 2166.398458][ T72] ipv6_rcv+0x397/0x810 [ 2166.398458][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2166.398458][ T72] process_backlog+0x101/0x620 [ 2166.398458][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2166.398458][ T72] net_rx_action+0x495/0xbe0 [ 2166.398458][ T72] __do_softirq+0x1b5/0x7f6 [ 2166.398458][ T72] [ 2166.400256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2166.400256][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.400256][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.400256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.400256][ T72] ip6_route_add+0x1c/0x140 [ 2166.400256][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2166.400256][ T72] inet6_addr_add+0x4f8/0xa40 [ 2166.400256][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.400256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.400256][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.400256][ T72] netlink_unicast+0x449/0x710 [ 2166.400256][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.400256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.400256][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.400256][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.400256][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.400256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.400256][ T72] [ 2166.402421][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2166.402421][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.402421][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.402421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.402421][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2166.402421][ T72] ipv6_add_addr+0x411/0x2000 [ 2166.402421][ T72] inet6_addr_add+0x30e/0xa40 [ 2166.402421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.402421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.402421][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.402421][ T72] netlink_unicast+0x449/0x710 [ 2166.402421][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.402421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.402421][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.402421][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.402421][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.402421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.402421][ T72] [ 2166.404645][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2166.404645][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.404645][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.404645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.404645][ T72] ip6_route_add+0x1c/0x140 [ 2166.404645][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2166.404645][ T72] addrconf_add_dev+0xe2/0x170 [ 2166.404645][ T72] inet6_addr_add+0x12f/0xa40 [ 2166.404645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.404645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.404645][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.404645][ T72] netlink_unicast+0x449/0x710 [ 2166.404645][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.404645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.404645][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.404645][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.404645][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.404645][ T72] [ 2166.406923][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2166.406923][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2166.406923][ T72] ipv6_find_idev+0x102/0x170 [ 2166.406923][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.406923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.406923][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.406923][ T72] netlink_unicast+0x449/0x710 [ 2166.406923][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.406923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.406923][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.406923][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.406923][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.406923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.406923][ T72] [ 2166.408639][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2166.408639][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2166.408639][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2166.408639][ T72] ipv6_find_idev+0x102/0x170 [ 2166.408639][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.408639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.408639][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.408639][ T72] netlink_unicast+0x449/0x710 [ 2166.408639][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.408639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.408639][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.408639][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.408639][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.408639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.408639][ T72] [ 2166.410531][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2166.410804][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2166.410804][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.410804][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.410804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.410804][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2166.410804][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2166.410804][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2166.410804][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2166.410804][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2166.410804][ T72] addrconf_dad_begin+0x310/0x670 [ 2166.410804][ T72] addrconf_dad_work+0x10b/0xab0 [ 2166.410804][ T72] process_one_work+0x84d/0x18a0 [ 2166.410804][ T72] worker_thread+0x587/0xd30 [ 2166.410804][ T72] kthread+0x28a/0x350 [ 2166.410804][ T72] ret_from_fork+0x31/0x70 [ 2166.410804][ T72] ret_from_fork_asm+0x1a/0x30 [ 2166.410804][ T72] [ 2166.412953][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2166.412953][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.412953][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.412953][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.412953][ T72] ip6_route_add+0x1c/0x140 [ 2166.412953][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2166.412953][ T72] inet6_addr_add+0x4f8/0xa40 [ 2166.412953][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.412953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.412953][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.412953][ T72] netlink_unicast+0x449/0x710 [ 2166.412953][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.412953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.412953][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.412953][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.412953][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.412953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.412953][ T72] [ 2166.415182][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2166.415182][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.415182][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.415182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.415182][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2166.415182][ T72] ipv6_add_addr+0x411/0x2000 [ 2166.415182][ T72] inet6_addr_add+0x30e/0xa40 [ 2166.415182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.415182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.415182][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.415182][ T72] netlink_unicast+0x449/0x710 [ 2166.415182][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.415182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.415182][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.415182][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.415182][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.415182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.415182][ T72] [ 2166.417462][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2166.417462][ T72] netdev_get_by_index+0x5e/0x80 [ 2166.417462][ T72] fib6_nh_init+0x3d8/0x1580 [ 2166.417462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2166.417462][ T72] ip6_route_add+0x1c/0x140 [ 2166.417462][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2166.417462][ T72] addrconf_add_dev+0xe2/0x170 [ 2166.417462][ T72] inet6_addr_add+0x12f/0xa40 [ 2166.417462][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.417462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.417462][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.417462][ T72] netlink_unicast+0x449/0x710 [ 2166.417462][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.417462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.417462][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.417462][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.417462][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.417462][ T72] [ 2166.419599][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2166.419599][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2166.419599][ T72] ipv6_find_idev+0x102/0x170 [ 2166.419599][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.419599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.419599][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.419599][ T72] netlink_unicast+0x449/0x710 [ 2166.419599][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.419599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.419599][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.419599][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.419599][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.419599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.419599][ T72] [ 2166.421315][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2166.421315][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2166.421315][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2166.421315][ T72] ipv6_find_idev+0x102/0x170 [ 2166.421315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.421315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.421315][ T72] netlink_rcv_skb+0x130/0x360 [ 2166.421315][ T72] netlink_unicast+0x449/0x710 [ 2166.421315][ T72] netlink_sendmsg+0x723/0xbe0 [ 2166.421315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2166.421315][ T72] ___sys_sendmsg+0xee/0x170 [ 2166.421315][ T72] __sys_sendmsg+0xcd/0x170 [ 2166.421315][ T72] do_syscall_64+0xc6/0x1e0 [ 2166.421315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.421315][ T72] [ 2176.609094][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2176.609687][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2176.609687][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2176.609687][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2176.609687][ T72] fib6_nh_init+0xa22/0x1580 [ 2176.609687][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.609687][ T72] ip6_route_add+0x1c/0x140 [ 2176.609687][ T72] inet6_rtm_newroute+0x104/0x110 [ 2176.609687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.609687][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.609687][ T72] netlink_unicast+0x449/0x710 [ 2176.609687][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.609687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.609687][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.609687][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.609687][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.609687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.609687][ T72] [ 2176.611538][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2176.611538][ T72] dst_init+0x84/0x4a0 [ 2176.611538][ T72] dst_alloc+0x97/0x150 [ 2176.611538][ T72] ip6_dst_alloc+0x23/0x90 [ 2176.611538][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.611538][ T72] ip6_pol_route+0x56f/0x840 [ 2176.611538][ T72] fib6_rule_lookup+0x456/0x630 [ 2176.611538][ T72] ip6_route_input+0x59c/0xa50 [ 2176.611538][ T72] ipv6_rcv+0x397/0x810 [ 2176.611538][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2176.611538][ T72] process_backlog+0x101/0x620 [ 2176.611538][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2176.611538][ T72] net_rx_action+0x495/0xbe0 [ 2176.611538][ T72] __do_softirq+0x1b5/0x7f6 [ 2176.611538][ T72] [ 2176.613131][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2176.613131][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.613131][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.613131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.613131][ T72] ip6_route_add+0x1c/0x140 [ 2176.613131][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2176.613131][ T72] inet6_addr_add+0x4f8/0xa40 [ 2176.613131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.613131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.613131][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.613131][ T72] netlink_unicast+0x449/0x710 [ 2176.613131][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.613131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.613131][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.613131][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.613131][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.613131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.613131][ T72] [ 2176.615149][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2176.615149][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.615149][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.615149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.615149][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2176.615149][ T72] ipv6_add_addr+0x411/0x2000 [ 2176.615149][ T72] inet6_addr_add+0x30e/0xa40 [ 2176.615149][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.615149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.615149][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.615149][ T72] netlink_unicast+0x449/0x710 [ 2176.615149][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.615149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.615149][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.615149][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.615149][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.615149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.615149][ T72] [ 2176.617171][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2176.617171][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.617171][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.617171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.617171][ T72] ip6_route_add+0x1c/0x140 [ 2176.617171][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2176.617171][ T72] addrconf_add_dev+0xe2/0x170 [ 2176.617171][ T72] inet6_addr_add+0x12f/0xa40 [ 2176.617171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.617171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.617171][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.617171][ T72] netlink_unicast+0x449/0x710 [ 2176.617171][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.617171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.617171][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.617171][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.617171][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.617171][ T72] [ 2176.619081][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2176.619081][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2176.619081][ T72] ipv6_find_idev+0x102/0x170 [ 2176.619081][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.619081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.619081][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.619081][ T72] netlink_unicast+0x449/0x710 [ 2176.619081][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.619081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.619081][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.619081][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.619081][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.619081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.619081][ T72] [ 2176.620569][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2176.620569][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2176.620569][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2176.620569][ T72] ipv6_find_idev+0x102/0x170 [ 2176.620569][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.620569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.620569][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.620569][ T72] netlink_unicast+0x449/0x710 [ 2176.620569][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.620569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.620569][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.620569][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.620569][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.620569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.620569][ T72] [ 2176.622267][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2176.622535][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2176.622535][ T72] dst_init+0x84/0x4a0 [ 2176.622535][ T72] dst_alloc+0x97/0x150 [ 2176.622535][ T72] ip6_dst_alloc+0x23/0x90 [ 2176.622535][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.622535][ T72] ip6_pol_route+0x56f/0x840 [ 2176.622535][ T72] fib6_rule_lookup+0x456/0x630 [ 2176.622535][ T72] ip6_route_input+0x59c/0xa50 [ 2176.622535][ T72] ipv6_rcv+0x397/0x810 [ 2176.622535][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2176.622535][ T72] process_backlog+0x101/0x620 [ 2176.622535][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2176.622535][ T72] net_rx_action+0x495/0xbe0 [ 2176.622535][ T72] __do_softirq+0x1b5/0x7f6 [ 2176.622535][ T72] [ 2176.624184][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2176.624184][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.624184][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.624184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.624184][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2176.624184][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2176.624184][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2176.624184][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2176.624184][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2176.624184][ T72] addrconf_dad_begin+0x310/0x670 [ 2176.624184][ T72] addrconf_dad_work+0x10b/0xab0 [ 2176.624184][ T72] process_one_work+0x84d/0x18a0 [ 2176.624184][ T72] worker_thread+0x587/0xd30 [ 2176.624184][ T72] kthread+0x28a/0x350 [ 2176.624184][ T72] ret_from_fork+0x31/0x70 [ 2176.624184][ T72] ret_from_fork_asm+0x1a/0x30 [ 2176.624184][ T72] [ 2176.626145][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2176.626145][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.626145][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.626145][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.626145][ T72] ip6_route_add+0x1c/0x140 [ 2176.626145][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2176.626145][ T72] inet6_addr_add+0x4f8/0xa40 [ 2176.626145][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.626145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.626145][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.626145][ T72] netlink_unicast+0x449/0x710 [ 2176.626145][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.626145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.626145][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.626145][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.626145][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.626145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.626145][ T72] [ 2176.628148][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2176.628148][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.628148][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.628148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.628148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2176.628148][ T72] ipv6_add_addr+0x411/0x2000 [ 2176.628148][ T72] inet6_addr_add+0x30e/0xa40 [ 2176.628148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.628148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.628148][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.628148][ T72] netlink_unicast+0x449/0x710 [ 2176.628148][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.628148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.628148][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.628148][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.628148][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.628148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.628148][ T72] [ 2176.630135][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2176.630135][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.630135][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.630135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.630135][ T72] ip6_route_add+0x1c/0x140 [ 2176.630135][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2176.630135][ T72] addrconf_add_dev+0xe2/0x170 [ 2176.630135][ T72] inet6_addr_add+0x12f/0xa40 [ 2176.630135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.630135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.630135][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.630135][ T72] netlink_unicast+0x449/0x710 [ 2176.630135][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.630135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.630135][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.630135][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.630135][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.630135][ T72] [ 2176.632074][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2176.632074][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2176.632074][ T72] ipv6_find_idev+0x102/0x170 [ 2176.632074][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.632074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.632074][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.632074][ T72] netlink_unicast+0x449/0x710 [ 2176.632074][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.632074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.632074][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.632074][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.632074][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.632074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.632074][ T72] [ 2176.633600][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2176.633600][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2176.633600][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2176.633600][ T72] ipv6_find_idev+0x102/0x170 [ 2176.633600][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.633600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.633600][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.633600][ T72] netlink_unicast+0x449/0x710 [ 2176.633600][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.633600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.633600][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.633600][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.633600][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.633600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.633600][ T72] [ 2176.635387][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2176.635649][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2176.635649][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2176.635649][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2176.635649][ T72] fib6_nh_init+0xa22/0x1580 [ 2176.635649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.635649][ T72] ip6_route_add+0x1c/0x140 [ 2176.635649][ T72] inet6_rtm_newroute+0x104/0x110 [ 2176.635649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.635649][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.635649][ T72] netlink_unicast+0x449/0x710 [ 2176.635649][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.635649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.635649][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.635649][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.635649][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.635649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.635649][ T72] [ 2176.637829][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2176.637829][ T72] dst_init+0x84/0x4a0 [ 2176.637829][ T72] dst_alloc+0x97/0x150 [ 2176.637829][ T72] ip6_dst_alloc+0x23/0x90 [ 2176.637829][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.637829][ T72] ip6_pol_route+0x56f/0x840 [ 2176.637829][ T72] fib6_rule_lookup+0x456/0x630 [ 2176.637829][ T72] ip6_route_input+0x59c/0xa50 [ 2176.637829][ T72] ipv6_rcv+0x397/0x810 [ 2176.637829][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2176.637829][ T72] process_backlog+0x101/0x620 [ 2176.637829][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2176.637829][ T72] net_rx_action+0x495/0xbe0 [ 2176.637829][ T72] __do_softirq+0x1b5/0x7f6 [ 2176.637829][ T72] [ 2176.639634][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2176.639634][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.639634][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.639634][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.639634][ T72] ip6_route_add+0x1c/0x140 [ 2176.639634][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2176.639634][ T72] inet6_addr_add+0x4f8/0xa40 [ 2176.639634][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.639634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.639634][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.639634][ T72] netlink_unicast+0x449/0x710 [ 2176.639634][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.639634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.639634][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.639634][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.639634][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.639634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.639634][ T72] [ 2176.641806][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2176.641806][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.641806][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.641806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.641806][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2176.641806][ T72] ipv6_add_addr+0x411/0x2000 [ 2176.641806][ T72] inet6_addr_add+0x30e/0xa40 [ 2176.641806][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.641806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.641806][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.641806][ T72] netlink_unicast+0x449/0x710 [ 2176.641806][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.641806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.641806][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.641806][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.641806][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.641806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.641806][ T72] [ 2176.644032][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2176.644032][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.644032][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.644032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.644032][ T72] ip6_route_add+0x1c/0x140 [ 2176.644032][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2176.644032][ T72] addrconf_add_dev+0xe2/0x170 [ 2176.644032][ T72] inet6_addr_add+0x12f/0xa40 [ 2176.644032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.644032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.644032][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.644032][ T72] netlink_unicast+0x449/0x710 [ 2176.644032][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.644032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.644032][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.644032][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.644032][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.644032][ T72] [ 2176.646286][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2176.646286][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2176.646286][ T72] ipv6_find_idev+0x102/0x170 [ 2176.646286][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.646286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.646286][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.646286][ T72] netlink_unicast+0x449/0x710 [ 2176.646286][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.646286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.646286][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.646286][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.646286][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.646286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.646286][ T72] [ 2176.648029][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2176.648029][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2176.648029][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2176.648029][ T72] ipv6_find_idev+0x102/0x170 [ 2176.648029][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.648029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.648029][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.648029][ T72] netlink_unicast+0x449/0x710 [ 2176.648029][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.648029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.648029][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.648029][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.648029][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.648029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.648029][ T72] [ 2176.649878][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2176.650208][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2176.650208][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.650208][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.650208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.650208][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2176.650208][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2176.650208][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2176.650208][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2176.650208][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2176.650208][ T72] addrconf_dad_begin+0x310/0x670 [ 2176.650208][ T72] addrconf_dad_work+0x10b/0xab0 [ 2176.650208][ T72] process_one_work+0x84d/0x18a0 [ 2176.650208][ T72] worker_thread+0x587/0xd30 [ 2176.650208][ T72] kthread+0x28a/0x350 [ 2176.650208][ T72] ret_from_fork+0x31/0x70 [ 2176.650208][ T72] ret_from_fork_asm+0x1a/0x30 [ 2176.650208][ T72] [ 2176.652287][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2176.652287][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.652287][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.652287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.652287][ T72] ip6_route_add+0x1c/0x140 [ 2176.652287][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2176.652287][ T72] inet6_addr_add+0x4f8/0xa40 [ 2176.652287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.652287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.652287][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.652287][ T72] netlink_unicast+0x449/0x710 [ 2176.652287][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.652287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.652287][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.652287][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.652287][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.652287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.652287][ T72] [ 2176.654515][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2176.654515][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.654515][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.654515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.654515][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2176.654515][ T72] ipv6_add_addr+0x411/0x2000 [ 2176.654515][ T72] inet6_addr_add+0x30e/0xa40 [ 2176.654515][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.654515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.654515][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.654515][ T72] netlink_unicast+0x449/0x710 [ 2176.654515][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.654515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.654515][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.654515][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.654515][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.654515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.654515][ T72] [ 2176.656796][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2176.656796][ T72] netdev_get_by_index+0x5e/0x80 [ 2176.656796][ T72] fib6_nh_init+0x3d8/0x1580 [ 2176.656796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2176.656796][ T72] ip6_route_add+0x1c/0x140 [ 2176.656796][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2176.656796][ T72] addrconf_add_dev+0xe2/0x170 [ 2176.656796][ T72] inet6_addr_add+0x12f/0xa40 [ 2176.656796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.656796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.656796][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.656796][ T72] netlink_unicast+0x449/0x710 [ 2176.656796][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.656796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.656796][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.656796][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.656796][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.656796][ T72] [ 2176.659545][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2176.659545][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2176.659545][ T72] ipv6_find_idev+0x102/0x170 [ 2176.659545][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.659545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.659545][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.659545][ T72] netlink_unicast+0x449/0x710 [ 2176.659545][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.659545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.659545][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.659545][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.659545][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.659545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.659545][ T72] [ 2176.661276][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2176.661276][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2176.661276][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2176.661276][ T72] ipv6_find_idev+0x102/0x170 [ 2176.661276][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.661276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.661276][ T72] netlink_rcv_skb+0x130/0x360 [ 2176.661276][ T72] netlink_unicast+0x449/0x710 [ 2176.661276][ T72] netlink_sendmsg+0x723/0xbe0 [ 2176.661276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2176.661276][ T72] ___sys_sendmsg+0xee/0x170 [ 2176.661276][ T72] __sys_sendmsg+0xcd/0x170 [ 2176.661276][ T72] do_syscall_64+0xc6/0x1e0 [ 2176.661276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.661276][ T72] [ 2186.736988][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2186.738119][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2186.738119][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2186.738119][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2186.738119][ T72] fib6_nh_init+0xa22/0x1580 [ 2186.738119][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.738119][ T72] ip6_route_add+0x1c/0x140 [ 2186.738119][ T72] inet6_rtm_newroute+0x104/0x110 [ 2186.738119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.738119][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.738119][ T72] netlink_unicast+0x449/0x710 [ 2186.738119][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.738119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.738119][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.738119][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.738119][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.738119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.738119][ T72] [ 2186.740037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2186.740037][ T72] dst_init+0x84/0x4a0 [ 2186.740037][ T72] dst_alloc+0x97/0x150 [ 2186.740037][ T72] ip6_dst_alloc+0x23/0x90 [ 2186.740037][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.740037][ T72] ip6_pol_route+0x56f/0x840 [ 2186.740037][ T72] fib6_rule_lookup+0x456/0x630 [ 2186.740037][ T72] ip6_route_input+0x59c/0xa50 [ 2186.740037][ T72] ipv6_rcv+0x397/0x810 [ 2186.740037][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2186.740037][ T72] process_backlog+0x101/0x620 [ 2186.740037][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2186.740037][ T72] net_rx_action+0x495/0xbe0 [ 2186.740037][ T72] __do_softirq+0x1b5/0x7f6 [ 2186.740037][ T72] [ 2186.741677][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2186.741677][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.741677][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.741677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.741677][ T72] ip6_route_add+0x1c/0x140 [ 2186.741677][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2186.741677][ T72] inet6_addr_add+0x4f8/0xa40 [ 2186.741677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.741677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.741677][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.741677][ T72] netlink_unicast+0x449/0x710 [ 2186.741677][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.741677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.741677][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.741677][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.741677][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.741677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.741677][ T72] [ 2186.743663][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2186.743663][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.743663][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.743663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.743663][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2186.743663][ T72] ipv6_add_addr+0x411/0x2000 [ 2186.743663][ T72] inet6_addr_add+0x30e/0xa40 [ 2186.743663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.743663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.743663][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.743663][ T72] netlink_unicast+0x449/0x710 [ 2186.743663][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.743663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.743663][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.743663][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.743663][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.743663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.743663][ T72] [ 2186.745637][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2186.745637][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.745637][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.745637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.745637][ T72] ip6_route_add+0x1c/0x140 [ 2186.745637][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2186.745637][ T72] addrconf_add_dev+0xe2/0x170 [ 2186.745637][ T72] inet6_addr_add+0x12f/0xa40 [ 2186.745637][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.745637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.745637][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.745637][ T72] netlink_unicast+0x449/0x710 [ 2186.745637][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.745637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.745637][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.745637][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.745637][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.745637][ T72] [ 2186.747595][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2186.747595][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2186.747595][ T72] ipv6_find_idev+0x102/0x170 [ 2186.747595][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.747595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.747595][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.747595][ T72] netlink_unicast+0x449/0x710 [ 2186.747595][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.747595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.747595][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.747595][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.747595][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.747595][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.747595][ T72] [ 2186.749132][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2186.749132][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2186.749132][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2186.749132][ T72] ipv6_find_idev+0x102/0x170 [ 2186.749132][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.749132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.749132][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.749132][ T72] netlink_unicast+0x449/0x710 [ 2186.749132][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.749132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.749132][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.749132][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.749132][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.749132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.749132][ T72] [ 2186.750814][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2186.751090][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2186.751090][ T72] dst_init+0x84/0x4a0 [ 2186.751090][ T72] dst_alloc+0x97/0x150 [ 2186.751090][ T72] ip6_dst_alloc+0x23/0x90 [ 2186.751090][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.751090][ T72] ip6_pol_route+0x56f/0x840 [ 2186.751090][ T72] fib6_rule_lookup+0x456/0x630 [ 2186.751090][ T72] ip6_route_input+0x59c/0xa50 [ 2186.751090][ T72] ipv6_rcv+0x397/0x810 [ 2186.751090][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2186.751090][ T72] process_backlog+0x101/0x620 [ 2186.751090][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2186.751090][ T72] net_rx_action+0x495/0xbe0 [ 2186.751090][ T72] __do_softirq+0x1b5/0x7f6 [ 2186.751090][ T72] [ 2186.752715][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2186.752715][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.752715][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.752715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.752715][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2186.752715][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2186.752715][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2186.752715][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2186.752715][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2186.752715][ T72] addrconf_dad_begin+0x310/0x670 [ 2186.752715][ T72] addrconf_dad_work+0x10b/0xab0 [ 2186.752715][ T72] process_one_work+0x84d/0x18a0 [ 2186.752715][ T72] worker_thread+0x587/0xd30 [ 2186.752715][ T72] kthread+0x28a/0x350 [ 2186.752715][ T72] ret_from_fork+0x31/0x70 [ 2186.752715][ T72] ret_from_fork_asm+0x1a/0x30 [ 2186.752715][ T72] [ 2186.754614][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2186.754614][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.754614][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.754614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.754614][ T72] ip6_route_add+0x1c/0x140 [ 2186.754614][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2186.754614][ T72] inet6_addr_add+0x4f8/0xa40 [ 2186.754614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.754614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.754614][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.754614][ T72] netlink_unicast+0x449/0x710 [ 2186.754614][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.754614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.754614][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.754614][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.754614][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.754614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.754614][ T72] [ 2186.756598][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2186.756598][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.756598][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.756598][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.756598][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2186.756598][ T72] ipv6_add_addr+0x411/0x2000 [ 2186.756598][ T72] inet6_addr_add+0x30e/0xa40 [ 2186.756598][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.756598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.756598][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.756598][ T72] netlink_unicast+0x449/0x710 [ 2186.756598][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.756598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.756598][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.756598][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.756598][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.756598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.756598][ T72] [ 2186.758728][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2186.758728][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.758728][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.758728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.758728][ T72] ip6_route_add+0x1c/0x140 [ 2186.758728][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2186.758728][ T72] addrconf_add_dev+0xe2/0x170 [ 2186.758728][ T72] inet6_addr_add+0x12f/0xa40 [ 2186.758728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.758728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.758728][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.758728][ T72] netlink_unicast+0x449/0x710 [ 2186.758728][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.758728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.758728][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.758728][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.758728][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.758728][ T72] [ 2186.760674][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2186.760674][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2186.760674][ T72] ipv6_find_idev+0x102/0x170 [ 2186.760674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.760674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.760674][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.760674][ T72] netlink_unicast+0x449/0x710 [ 2186.760674][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.760674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.760674][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.760674][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.760674][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.760674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.760674][ T72] [ 2186.762194][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2186.762194][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2186.762194][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2186.762194][ T72] ipv6_find_idev+0x102/0x170 [ 2186.762194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.762194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.762194][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.762194][ T72] netlink_unicast+0x449/0x710 [ 2186.762194][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.762194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.762194][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.762194][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.762194][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.762194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.762194][ T72] [ 2186.763969][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2186.764232][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2186.764232][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2186.764232][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2186.764232][ T72] fib6_nh_init+0xa22/0x1580 [ 2186.764232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.764232][ T72] ip6_route_add+0x1c/0x140 [ 2186.764232][ T72] inet6_rtm_newroute+0x104/0x110 [ 2186.764232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.764232][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.764232][ T72] netlink_unicast+0x449/0x710 [ 2186.764232][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.764232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.764232][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.764232][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.764232][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.764232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.764232][ T72] [ 2186.766406][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2186.766406][ T72] dst_init+0x84/0x4a0 [ 2186.766406][ T72] dst_alloc+0x97/0x150 [ 2186.766406][ T72] ip6_dst_alloc+0x23/0x90 [ 2186.766406][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.766406][ T72] ip6_pol_route+0x56f/0x840 [ 2186.766406][ T72] fib6_rule_lookup+0x456/0x630 [ 2186.766406][ T72] ip6_route_input+0x59c/0xa50 [ 2186.766406][ T72] ipv6_rcv+0x397/0x810 [ 2186.766406][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2186.766406][ T72] process_backlog+0x101/0x620 [ 2186.766406][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2186.766406][ T72] net_rx_action+0x495/0xbe0 [ 2186.766406][ T72] __do_softirq+0x1b5/0x7f6 [ 2186.766406][ T72] [ 2186.768225][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2186.768225][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.768225][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.768225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.768225][ T72] ip6_route_add+0x1c/0x140 [ 2186.768225][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2186.768225][ T72] inet6_addr_add+0x4f8/0xa40 [ 2186.768225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.768225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.768225][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.768225][ T72] netlink_unicast+0x449/0x710 [ 2186.768225][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.768225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.768225][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.768225][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.768225][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.768225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.768225][ T72] [ 2186.770382][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2186.770382][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.770382][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.770382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.770382][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2186.770382][ T72] ipv6_add_addr+0x411/0x2000 [ 2186.770382][ T72] inet6_addr_add+0x30e/0xa40 [ 2186.770382][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.770382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.770382][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.770382][ T72] netlink_unicast+0x449/0x710 [ 2186.770382][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.770382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.770382][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.770382][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.770382][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.770382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.770382][ T72] [ 2186.772605][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2186.772605][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.772605][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.772605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.772605][ T72] ip6_route_add+0x1c/0x140 [ 2186.772605][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2186.772605][ T72] addrconf_add_dev+0xe2/0x170 [ 2186.772605][ T72] inet6_addr_add+0x12f/0xa40 [ 2186.772605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.772605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.772605][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.772605][ T72] netlink_unicast+0x449/0x710 [ 2186.772605][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.772605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.772605][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.772605][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.772605][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.772605][ T72] [ 2186.774861][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2186.774861][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2186.774861][ T72] ipv6_find_idev+0x102/0x170 [ 2186.774861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.774861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.774861][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.774861][ T72] netlink_unicast+0x449/0x710 [ 2186.774861][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.774861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.774861][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.774861][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.774861][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.774861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.774861][ T72] [ 2186.776568][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2186.776568][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2186.776568][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2186.776568][ T72] ipv6_find_idev+0x102/0x170 [ 2186.776568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.776568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.776568][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.776568][ T72] netlink_unicast+0x449/0x710 [ 2186.776568][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.776568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.776568][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.776568][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.776568][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.776568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.776568][ T72] [ 2186.778472][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2186.778742][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2186.778742][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.778742][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.778742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.778742][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2186.778742][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2186.778742][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2186.778742][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2186.778742][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2186.778742][ T72] addrconf_dad_begin+0x310/0x670 [ 2186.778742][ T72] addrconf_dad_work+0x10b/0xab0 [ 2186.778742][ T72] process_one_work+0x84d/0x18a0 [ 2186.778742][ T72] worker_thread+0x587/0xd30 [ 2186.778742][ T72] kthread+0x28a/0x350 [ 2186.778742][ T72] ret_from_fork+0x31/0x70 [ 2186.778742][ T72] ret_from_fork_asm+0x1a/0x30 [ 2186.778742][ T72] [ 2186.780878][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2186.780878][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.780878][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.780878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.780878][ T72] ip6_route_add+0x1c/0x140 [ 2186.780878][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2186.780878][ T72] inet6_addr_add+0x4f8/0xa40 [ 2186.780878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.780878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.780878][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.780878][ T72] netlink_unicast+0x449/0x710 [ 2186.780878][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.780878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.780878][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.780878][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.780878][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.780878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.780878][ T72] [ 2186.783096][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2186.783096][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.783096][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.783096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.783096][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2186.783096][ T72] ipv6_add_addr+0x411/0x2000 [ 2186.783096][ T72] inet6_addr_add+0x30e/0xa40 [ 2186.783096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.783096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.783096][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.783096][ T72] netlink_unicast+0x449/0x710 [ 2186.783096][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.783096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.783096][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.783096][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.783096][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.783096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.783096][ T72] [ 2186.785381][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2186.785381][ T72] netdev_get_by_index+0x5e/0x80 [ 2186.785381][ T72] fib6_nh_init+0x3d8/0x1580 [ 2186.785381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2186.785381][ T72] ip6_route_add+0x1c/0x140 [ 2186.785381][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2186.785381][ T72] addrconf_add_dev+0xe2/0x170 [ 2186.785381][ T72] inet6_addr_add+0x12f/0xa40 [ 2186.785381][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.785381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.785381][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.785381][ T72] netlink_unicast+0x449/0x710 [ 2186.785381][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.785381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.785381][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.785381][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.785381][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.785381][ T72] [ 2186.787504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2186.787504][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2186.787504][ T72] ipv6_find_idev+0x102/0x170 [ 2186.787504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.787504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.787504][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.787504][ T72] netlink_unicast+0x449/0x710 [ 2186.787504][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.787504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.787504][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.787504][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.787504][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.787504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.787504][ T72] [ 2186.789210][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2186.789210][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2186.789210][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2186.789210][ T72] ipv6_find_idev+0x102/0x170 [ 2186.789210][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.789210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.789210][ T72] netlink_rcv_skb+0x130/0x360 [ 2186.789210][ T72] netlink_unicast+0x449/0x710 [ 2186.789210][ T72] netlink_sendmsg+0x723/0xbe0 [ 2186.789210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2186.789210][ T72] ___sys_sendmsg+0xee/0x170 [ 2186.789210][ T72] __sys_sendmsg+0xcd/0x170 [ 2186.789210][ T72] do_syscall_64+0xc6/0x1e0 [ 2186.789210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.789210][ T72] [ 2197.040998][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2197.042074][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2197.042074][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2197.042074][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2197.042074][ T72] fib6_nh_init+0xa22/0x1580 [ 2197.042074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.042074][ T72] ip6_route_add+0x1c/0x140 [ 2197.042074][ T72] inet6_rtm_newroute+0x104/0x110 [ 2197.042074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.042074][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.042074][ T72] netlink_unicast+0x449/0x710 [ 2197.042074][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.042074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.042074][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.042074][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.042074][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.042074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.042074][ T72] [ 2197.043958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2197.043958][ T72] dst_init+0x84/0x4a0 [ 2197.043958][ T72] dst_alloc+0x97/0x150 [ 2197.043958][ T72] ip6_dst_alloc+0x23/0x90 [ 2197.043958][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.043958][ T72] ip6_pol_route+0x56f/0x840 [ 2197.043958][ T72] fib6_rule_lookup+0x456/0x630 [ 2197.043958][ T72] ip6_route_input+0x59c/0xa50 [ 2197.043958][ T72] ipv6_rcv+0x397/0x810 [ 2197.043958][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2197.043958][ T72] process_backlog+0x101/0x620 [ 2197.043958][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2197.043958][ T72] net_rx_action+0x495/0xbe0 [ 2197.043958][ T72] __do_softirq+0x1b5/0x7f6 [ 2197.043958][ T72] [ 2197.045545][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2197.045545][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.045545][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.045545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.045545][ T72] ip6_route_add+0x1c/0x140 [ 2197.045545][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2197.045545][ T72] inet6_addr_add+0x4f8/0xa40 [ 2197.045545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.045545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.045545][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.045545][ T72] netlink_unicast+0x449/0x710 [ 2197.045545][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.045545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.045545][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.045545][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.045545][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.045545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.045545][ T72] [ 2197.047549][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2197.047549][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.047549][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.047549][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.047549][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2197.047549][ T72] ipv6_add_addr+0x411/0x2000 [ 2197.047549][ T72] inet6_addr_add+0x30e/0xa40 [ 2197.047549][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.047549][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.047549][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.047549][ T72] netlink_unicast+0x449/0x710 [ 2197.047549][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.047549][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.047549][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.047549][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.047549][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.047549][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.047549][ T72] [ 2197.049512][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2197.049512][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.049512][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.049512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.049512][ T72] ip6_route_add+0x1c/0x140 [ 2197.049512][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2197.049512][ T72] addrconf_add_dev+0xe2/0x170 [ 2197.049512][ T72] inet6_addr_add+0x12f/0xa40 [ 2197.049512][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.049512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.049512][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.049512][ T72] netlink_unicast+0x449/0x710 [ 2197.049512][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.049512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.049512][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.049512][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.049512][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.049512][ T72] [ 2197.051412][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2197.051412][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2197.051412][ T72] ipv6_find_idev+0x102/0x170 [ 2197.051412][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.051412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.051412][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.051412][ T72] netlink_unicast+0x449/0x710 [ 2197.051412][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.051412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.051412][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.051412][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.051412][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.051412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.051412][ T72] [ 2197.052954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2197.052954][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2197.052954][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2197.052954][ T72] ipv6_find_idev+0x102/0x170 [ 2197.052954][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.052954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.052954][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.052954][ T72] netlink_unicast+0x449/0x710 [ 2197.052954][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.052954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.052954][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.052954][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.052954][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.052954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.052954][ T72] [ 2197.054630][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2197.054912][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2197.054912][ T72] dst_init+0x84/0x4a0 [ 2197.054912][ T72] dst_alloc+0x97/0x150 [ 2197.054912][ T72] ip6_dst_alloc+0x23/0x90 [ 2197.054912][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.054912][ T72] ip6_pol_route+0x56f/0x840 [ 2197.054912][ T72] fib6_rule_lookup+0x456/0x630 [ 2197.054912][ T72] ip6_route_input+0x59c/0xa50 [ 2197.054912][ T72] ipv6_rcv+0x397/0x810 [ 2197.054912][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2197.054912][ T72] process_backlog+0x101/0x620 [ 2197.054912][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2197.054912][ T72] net_rx_action+0x495/0xbe0 [ 2197.054912][ T72] __do_softirq+0x1b5/0x7f6 [ 2197.054912][ T72] [ 2197.056549][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2197.056549][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.056549][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.056549][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.056549][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2197.056549][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2197.056549][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2197.056549][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2197.056549][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2197.056549][ T72] addrconf_dad_begin+0x310/0x670 [ 2197.056549][ T72] addrconf_dad_work+0x10b/0xab0 [ 2197.056549][ T72] process_one_work+0x84d/0x18a0 [ 2197.056549][ T72] worker_thread+0x587/0xd30 [ 2197.056549][ T72] kthread+0x28a/0x350 [ 2197.056549][ T72] ret_from_fork+0x31/0x70 [ 2197.056549][ T72] ret_from_fork_asm+0x1a/0x30 [ 2197.056549][ T72] [ 2197.058447][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2197.058447][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.058447][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.058447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.058447][ T72] ip6_route_add+0x1c/0x140 [ 2197.058447][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2197.058447][ T72] inet6_addr_add+0x4f8/0xa40 [ 2197.058447][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.058447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.058447][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.058447][ T72] netlink_unicast+0x449/0x710 [ 2197.058447][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.058447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.058447][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.058447][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.058447][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.058447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.058447][ T72] [ 2197.060434][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2197.060434][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.060434][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.060434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.060434][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2197.060434][ T72] ipv6_add_addr+0x411/0x2000 [ 2197.060434][ T72] inet6_addr_add+0x30e/0xa40 [ 2197.060434][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.060434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.060434][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.060434][ T72] netlink_unicast+0x449/0x710 [ 2197.060434][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.060434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.060434][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.060434][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.060434][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.060434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.060434][ T72] [ 2197.062427][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2197.062427][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.062427][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.062427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.062427][ T72] ip6_route_add+0x1c/0x140 [ 2197.062427][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2197.062427][ T72] addrconf_add_dev+0xe2/0x170 [ 2197.062427][ T72] inet6_addr_add+0x12f/0xa40 [ 2197.062427][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.062427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.062427][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.062427][ T72] netlink_unicast+0x449/0x710 [ 2197.062427][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.062427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.062427][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.062427][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.062427][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.062427][ T72] [ 2197.064371][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2197.064371][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2197.064371][ T72] ipv6_find_idev+0x102/0x170 [ 2197.064371][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.064371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.064371][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.064371][ T72] netlink_unicast+0x449/0x710 [ 2197.064371][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.064371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.064371][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.064371][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.064371][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.064371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.064371][ T72] [ 2197.065913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2197.065913][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2197.065913][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2197.065913][ T72] ipv6_find_idev+0x102/0x170 [ 2197.065913][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.065913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.065913][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.065913][ T72] netlink_unicast+0x449/0x710 [ 2197.065913][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.065913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.065913][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.065913][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.065913][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.065913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.065913][ T72] [ 2197.067694][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2197.068012][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2197.068012][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2197.068012][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2197.068012][ T72] fib6_nh_init+0xa22/0x1580 [ 2197.068012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.068012][ T72] ip6_route_add+0x1c/0x140 [ 2197.068012][ T72] inet6_rtm_newroute+0x104/0x110 [ 2197.068012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.068012][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.068012][ T72] netlink_unicast+0x449/0x710 [ 2197.068012][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.068012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.068012][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.068012][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.068012][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.068012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.068012][ T72] [ 2197.070127][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2197.070127][ T72] dst_init+0x84/0x4a0 [ 2197.070127][ T72] dst_alloc+0x97/0x150 [ 2197.070127][ T72] ip6_dst_alloc+0x23/0x90 [ 2197.070127][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.070127][ T72] ip6_pol_route+0x56f/0x840 [ 2197.070127][ T72] fib6_rule_lookup+0x456/0x630 [ 2197.070127][ T72] ip6_route_input+0x59c/0xa50 [ 2197.070127][ T72] ipv6_rcv+0x397/0x810 [ 2197.070127][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2197.070127][ T72] process_backlog+0x101/0x620 [ 2197.070127][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2197.070127][ T72] net_rx_action+0x495/0xbe0 [ 2197.070127][ T72] __do_softirq+0x1b5/0x7f6 [ 2197.070127][ T72] [ 2197.071943][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2197.071943][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.071943][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.071943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.071943][ T72] ip6_route_add+0x1c/0x140 [ 2197.071943][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2197.071943][ T72] inet6_addr_add+0x4f8/0xa40 [ 2197.071943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.071943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.071943][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.071943][ T72] netlink_unicast+0x449/0x710 [ 2197.071943][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.071943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.071943][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.071943][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.071943][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.071943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.071943][ T72] [ 2197.074190][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2197.074190][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.074190][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.074190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.074190][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2197.074190][ T72] ipv6_add_addr+0x411/0x2000 [ 2197.074190][ T72] inet6_addr_add+0x30e/0xa40 [ 2197.074190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.074190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.074190][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.074190][ T72] netlink_unicast+0x449/0x710 [ 2197.074190][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.074190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.074190][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.074190][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.074190][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.074190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.074190][ T72] [ 2197.076434][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2197.076434][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.076434][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.076434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.076434][ T72] ip6_route_add+0x1c/0x140 [ 2197.076434][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2197.076434][ T72] addrconf_add_dev+0xe2/0x170 [ 2197.076434][ T72] inet6_addr_add+0x12f/0xa40 [ 2197.076434][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.076434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.076434][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.076434][ T72] netlink_unicast+0x449/0x710 [ 2197.076434][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.076434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.076434][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.076434][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.076434][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.076434][ T72] [ 2197.078728][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2197.078728][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2197.078728][ T72] ipv6_find_idev+0x102/0x170 [ 2197.078728][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.078728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.078728][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.078728][ T72] netlink_unicast+0x449/0x710 [ 2197.078728][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.078728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.078728][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.078728][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.078728][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.078728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.078728][ T72] [ 2197.080435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2197.080435][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2197.080435][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2197.080435][ T72] ipv6_find_idev+0x102/0x170 [ 2197.080435][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.080435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.080435][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.080435][ T72] netlink_unicast+0x449/0x710 [ 2197.080435][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.080435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.080435][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.080435][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.080435][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.080435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.080435][ T72] [ 2197.082295][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2197.082572][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2197.082572][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.082572][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.082572][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.082572][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2197.082572][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2197.082572][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2197.082572][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2197.082572][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2197.082572][ T72] addrconf_dad_begin+0x310/0x670 [ 2197.082572][ T72] addrconf_dad_work+0x10b/0xab0 [ 2197.082572][ T72] process_one_work+0x84d/0x18a0 [ 2197.082572][ T72] worker_thread+0x587/0xd30 [ 2197.082572][ T72] kthread+0x28a/0x350 [ 2197.082572][ T72] ret_from_fork+0x31/0x70 [ 2197.082572][ T72] ret_from_fork_asm+0x1a/0x30 [ 2197.082572][ T72] [ 2197.084715][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2197.084715][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.084715][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.084715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.084715][ T72] ip6_route_add+0x1c/0x140 [ 2197.084715][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2197.084715][ T72] inet6_addr_add+0x4f8/0xa40 [ 2197.084715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.084715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.084715][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.084715][ T72] netlink_unicast+0x449/0x710 [ 2197.084715][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.084715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.084715][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.084715][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.084715][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.084715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.084715][ T72] [ 2197.086937][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2197.086937][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.086937][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.086937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.086937][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2197.086937][ T72] ipv6_add_addr+0x411/0x2000 [ 2197.086937][ T72] inet6_addr_add+0x30e/0xa40 [ 2197.086937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.086937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.086937][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.086937][ T72] netlink_unicast+0x449/0x710 [ 2197.086937][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.086937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.086937][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.086937][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.086937][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.086937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.086937][ T72] [ 2197.089233][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2197.089233][ T72] netdev_get_by_index+0x5e/0x80 [ 2197.089233][ T72] fib6_nh_init+0x3d8/0x1580 [ 2197.089233][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2197.089233][ T72] ip6_route_add+0x1c/0x140 [ 2197.089233][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2197.089233][ T72] addrconf_add_dev+0xe2/0x170 [ 2197.089233][ T72] inet6_addr_add+0x12f/0xa40 [ 2197.089233][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.089233][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.089233][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.089233][ T72] netlink_unicast+0x449/0x710 [ 2197.089233][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.089233][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.089233][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.089233][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.089233][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.089233][ T72] [ 2197.091381][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2197.091381][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2197.091381][ T72] ipv6_find_idev+0x102/0x170 [ 2197.091381][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.091381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.091381][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.091381][ T72] netlink_unicast+0x449/0x710 [ 2197.091381][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.091381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.091381][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.091381][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.091381][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.091381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.091381][ T72] [ 2197.093091][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2197.093091][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2197.093091][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2197.093091][ T72] ipv6_find_idev+0x102/0x170 [ 2197.093091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.093091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.093091][ T72] netlink_rcv_skb+0x130/0x360 [ 2197.093091][ T72] netlink_unicast+0x449/0x710 [ 2197.093091][ T72] netlink_sendmsg+0x723/0xbe0 [ 2197.093091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2197.093091][ T72] ___sys_sendmsg+0xee/0x170 [ 2197.093091][ T72] __sys_sendmsg+0xcd/0x170 [ 2197.093091][ T72] do_syscall_64+0xc6/0x1e0 [ 2197.093091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.093091][ T72] [ 2207.096855][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2207.097405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2207.097405][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2207.097405][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2207.097405][ T72] fib6_nh_init+0xa22/0x1580 [ 2207.097405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.097405][ T72] ip6_route_add+0x1c/0x140 [ 2207.097405][ T72] inet6_rtm_newroute+0x104/0x110 [ 2207.097405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.097405][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.097405][ T72] netlink_unicast+0x449/0x710 [ 2207.097405][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.097405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.097405][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.097405][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.097405][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.097405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.097405][ T72] [ 2207.099316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2207.099316][ T72] dst_init+0x84/0x4a0 [ 2207.099316][ T72] dst_alloc+0x97/0x150 [ 2207.099316][ T72] ip6_dst_alloc+0x23/0x90 [ 2207.099316][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.099316][ T72] ip6_pol_route+0x56f/0x840 [ 2207.099316][ T72] fib6_rule_lookup+0x456/0x630 [ 2207.099316][ T72] ip6_route_input+0x59c/0xa50 [ 2207.099316][ T72] ipv6_rcv+0x397/0x810 [ 2207.099316][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2207.099316][ T72] process_backlog+0x101/0x620 [ 2207.099316][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2207.099316][ T72] net_rx_action+0x495/0xbe0 [ 2207.099316][ T72] __do_softirq+0x1b5/0x7f6 [ 2207.099316][ T72] [ 2207.100963][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2207.100963][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.100963][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.100963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.100963][ T72] ip6_route_add+0x1c/0x140 [ 2207.100963][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2207.100963][ T72] inet6_addr_add+0x4f8/0xa40 [ 2207.100963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.100963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.100963][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.100963][ T72] netlink_unicast+0x449/0x710 [ 2207.100963][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.100963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.100963][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.100963][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.100963][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.100963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.100963][ T72] [ 2207.102974][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2207.102974][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.102974][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.102974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.102974][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2207.102974][ T72] ipv6_add_addr+0x411/0x2000 [ 2207.102974][ T72] inet6_addr_add+0x30e/0xa40 [ 2207.102974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.102974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.102974][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.102974][ T72] netlink_unicast+0x449/0x710 [ 2207.102974][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.102974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.102974][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.102974][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.102974][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.102974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.102974][ T72] [ 2207.104944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2207.104944][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.104944][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.104944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.104944][ T72] ip6_route_add+0x1c/0x140 [ 2207.104944][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2207.104944][ T72] addrconf_add_dev+0xe2/0x170 [ 2207.104944][ T72] inet6_addr_add+0x12f/0xa40 [ 2207.104944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.104944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.104944][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.104944][ T72] netlink_unicast+0x449/0x710 [ 2207.104944][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.104944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.104944][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.104944][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.104944][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.104944][ T72] [ 2207.106889][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2207.106889][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2207.106889][ T72] ipv6_find_idev+0x102/0x170 [ 2207.106889][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.106889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.106889][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.106889][ T72] netlink_unicast+0x449/0x710 [ 2207.106889][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.106889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.106889][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.106889][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.106889][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.106889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.106889][ T72] [ 2207.108433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2207.108433][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2207.108433][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2207.108433][ T72] ipv6_find_idev+0x102/0x170 [ 2207.108433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.108433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.108433][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.108433][ T72] netlink_unicast+0x449/0x710 [ 2207.108433][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.108433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.108433][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.108433][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.108433][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.108433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.108433][ T72] [ 2207.110150][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2207.110427][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2207.110427][ T72] dst_init+0x84/0x4a0 [ 2207.110427][ T72] dst_alloc+0x97/0x150 [ 2207.110427][ T72] ip6_dst_alloc+0x23/0x90 [ 2207.110427][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.110427][ T72] ip6_pol_route+0x56f/0x840 [ 2207.110427][ T72] fib6_rule_lookup+0x456/0x630 [ 2207.110427][ T72] ip6_route_input+0x59c/0xa50 [ 2207.110427][ T72] ipv6_rcv+0x397/0x810 [ 2207.110427][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2207.110427][ T72] process_backlog+0x101/0x620 [ 2207.110427][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2207.110427][ T72] net_rx_action+0x495/0xbe0 [ 2207.110427][ T72] __do_softirq+0x1b5/0x7f6 [ 2207.110427][ T72] [ 2207.112071][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2207.112071][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.112071][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.112071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.112071][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2207.112071][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2207.112071][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2207.112071][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2207.112071][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2207.112071][ T72] addrconf_dad_begin+0x310/0x670 [ 2207.112071][ T72] addrconf_dad_work+0x10b/0xab0 [ 2207.112071][ T72] process_one_work+0x84d/0x18a0 [ 2207.112071][ T72] worker_thread+0x587/0xd30 [ 2207.112071][ T72] kthread+0x28a/0x350 [ 2207.112071][ T72] ret_from_fork+0x31/0x70 [ 2207.112071][ T72] ret_from_fork_asm+0x1a/0x30 [ 2207.112071][ T72] [ 2207.113980][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2207.113980][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.113980][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.113980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.113980][ T72] ip6_route_add+0x1c/0x140 [ 2207.113980][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2207.113980][ T72] inet6_addr_add+0x4f8/0xa40 [ 2207.113980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.113980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.113980][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.113980][ T72] netlink_unicast+0x449/0x710 [ 2207.113980][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.113980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.113980][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.113980][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.113980][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.113980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.113980][ T72] [ 2207.115987][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2207.115987][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.115987][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.115987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.115987][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2207.115987][ T72] ipv6_add_addr+0x411/0x2000 [ 2207.115987][ T72] inet6_addr_add+0x30e/0xa40 [ 2207.115987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.115987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.115987][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.115987][ T72] netlink_unicast+0x449/0x710 [ 2207.115987][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.115987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.115987][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.115987][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.115987][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.115987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.115987][ T72] [ 2207.117990][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2207.117990][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.117990][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.117990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.117990][ T72] ip6_route_add+0x1c/0x140 [ 2207.117990][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2207.117990][ T72] addrconf_add_dev+0xe2/0x170 [ 2207.117990][ T72] inet6_addr_add+0x12f/0xa40 [ 2207.117990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.117990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.117990][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.117990][ T72] netlink_unicast+0x449/0x710 [ 2207.117990][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.117990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.117990][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.117990][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.117990][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.117990][ T72] [ 2207.119958][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2207.119958][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2207.119958][ T72] ipv6_find_idev+0x102/0x170 [ 2207.119958][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.119958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.119958][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.119958][ T72] netlink_unicast+0x449/0x710 [ 2207.119958][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.119958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.119958][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.119958][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.119958][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.119958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.119958][ T72] [ 2207.121508][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2207.121508][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2207.121508][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2207.121508][ T72] ipv6_find_idev+0x102/0x170 [ 2207.121508][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.121508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.121508][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.121508][ T72] netlink_unicast+0x449/0x710 [ 2207.121508][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.121508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.121508][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.121508][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.121508][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.121508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.121508][ T72] [ 2207.123313][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2207.123605][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2207.123605][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2207.123605][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2207.123605][ T72] fib6_nh_init+0xa22/0x1580 [ 2207.123605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.123605][ T72] ip6_route_add+0x1c/0x140 [ 2207.123605][ T72] inet6_rtm_newroute+0x104/0x110 [ 2207.123605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.123605][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.123605][ T72] netlink_unicast+0x449/0x710 [ 2207.123605][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.123605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.123605][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.123605][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.123605][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.123605][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.123605][ T72] [ 2207.125793][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2207.125793][ T72] dst_init+0x84/0x4a0 [ 2207.125793][ T72] dst_alloc+0x97/0x150 [ 2207.125793][ T72] ip6_dst_alloc+0x23/0x90 [ 2207.125793][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.125793][ T72] ip6_pol_route+0x56f/0x840 [ 2207.125793][ T72] fib6_rule_lookup+0x456/0x630 [ 2207.125793][ T72] ip6_route_input+0x59c/0xa50 [ 2207.125793][ T72] ipv6_rcv+0x397/0x810 [ 2207.125793][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2207.125793][ T72] process_backlog+0x101/0x620 [ 2207.125793][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2207.125793][ T72] net_rx_action+0x495/0xbe0 [ 2207.125793][ T72] __do_softirq+0x1b5/0x7f6 [ 2207.125793][ T72] [ 2207.127647][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2207.127647][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.127647][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.127647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.127647][ T72] ip6_route_add+0x1c/0x140 [ 2207.127647][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2207.127647][ T72] inet6_addr_add+0x4f8/0xa40 [ 2207.127647][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.127647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.127647][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.127647][ T72] netlink_unicast+0x449/0x710 [ 2207.127647][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.127647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.127647][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.127647][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.127647][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.127647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.127647][ T72] [ 2207.129890][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2207.129890][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.129890][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.129890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.129890][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2207.129890][ T72] ipv6_add_addr+0x411/0x2000 [ 2207.129890][ T72] inet6_addr_add+0x30e/0xa40 [ 2207.129890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.129890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.129890][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.129890][ T72] netlink_unicast+0x449/0x710 [ 2207.129890][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.129890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.129890][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.129890][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.129890][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.129890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.129890][ T72] [ 2207.132067][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2207.132067][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.132067][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.132067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.132067][ T72] ip6_route_add+0x1c/0x140 [ 2207.132067][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2207.132067][ T72] addrconf_add_dev+0xe2/0x170 [ 2207.132067][ T72] inet6_addr_add+0x12f/0xa40 [ 2207.132067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.132067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.132067][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.132067][ T72] netlink_unicast+0x449/0x710 [ 2207.132067][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.132067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.132067][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.132067][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.132067][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.132067][ T72] [ 2207.134353][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2207.134353][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2207.134353][ T72] ipv6_find_idev+0x102/0x170 [ 2207.134353][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.134353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.134353][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.134353][ T72] netlink_unicast+0x449/0x710 [ 2207.134353][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.134353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.134353][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.134353][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.134353][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.134353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.134353][ T72] [ 2207.136064][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2207.136064][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2207.136064][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2207.136064][ T72] ipv6_find_idev+0x102/0x170 [ 2207.136064][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.136064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.136064][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.136064][ T72] netlink_unicast+0x449/0x710 [ 2207.136064][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.136064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.136064][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.136064][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.136064][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.136064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.136064][ T72] [ 2207.137939][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2207.138299][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2207.138299][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.138299][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.138299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.138299][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2207.138299][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2207.138299][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2207.138299][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2207.138299][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2207.138299][ T72] addrconf_dad_begin+0x310/0x670 [ 2207.138299][ T72] addrconf_dad_work+0x10b/0xab0 [ 2207.138299][ T72] process_one_work+0x84d/0x18a0 [ 2207.138299][ T72] worker_thread+0x587/0xd30 [ 2207.138299][ T72] kthread+0x28a/0x350 [ 2207.138299][ T72] ret_from_fork+0x31/0x70 [ 2207.138299][ T72] ret_from_fork_asm+0x1a/0x30 [ 2207.138299][ T72] [ 2207.140333][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2207.140333][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.140333][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.140333][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.140333][ T72] ip6_route_add+0x1c/0x140 [ 2207.140333][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2207.140333][ T72] inet6_addr_add+0x4f8/0xa40 [ 2207.140333][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.140333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.140333][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.140333][ T72] netlink_unicast+0x449/0x710 [ 2207.140333][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.140333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.140333][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.140333][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.140333][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.140333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.140333][ T72] [ 2207.142558][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2207.142558][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.142558][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.142558][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.142558][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2207.142558][ T72] ipv6_add_addr+0x411/0x2000 [ 2207.142558][ T72] inet6_addr_add+0x30e/0xa40 [ 2207.142558][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.142558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.142558][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.142558][ T72] netlink_unicast+0x449/0x710 [ 2207.142558][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.142558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.142558][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.142558][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.142558][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.142558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.142558][ T72] [ 2207.144893][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2207.144893][ T72] netdev_get_by_index+0x5e/0x80 [ 2207.144893][ T72] fib6_nh_init+0x3d8/0x1580 [ 2207.144893][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2207.144893][ T72] ip6_route_add+0x1c/0x140 [ 2207.144893][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2207.144893][ T72] addrconf_add_dev+0xe2/0x170 [ 2207.144893][ T72] inet6_addr_add+0x12f/0xa40 [ 2207.144893][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.144893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.144893][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.144893][ T72] netlink_unicast+0x449/0x710 [ 2207.144893][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.144893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.144893][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.144893][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.144893][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.144893][ T72] [ 2207.147149][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2207.147149][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2207.147149][ T72] ipv6_find_idev+0x102/0x170 [ 2207.147149][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.147149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.147149][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.147149][ T72] netlink_unicast+0x449/0x710 [ 2207.147149][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.147149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.147149][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.147149][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.147149][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.147149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.147149][ T72] [ 2207.148879][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2207.148879][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2207.148879][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2207.148879][ T72] ipv6_find_idev+0x102/0x170 [ 2207.148879][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.148879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.148879][ T72] netlink_rcv_skb+0x130/0x360 [ 2207.148879][ T72] netlink_unicast+0x449/0x710 [ 2207.148879][ T72] netlink_sendmsg+0x723/0xbe0 [ 2207.148879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2207.148879][ T72] ___sys_sendmsg+0xee/0x170 [ 2207.148879][ T72] __sys_sendmsg+0xcd/0x170 [ 2207.148879][ T72] do_syscall_64+0xc6/0x1e0 [ 2207.148879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.148879][ T72] [ 2217.184998][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2217.185569][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2217.185569][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2217.185569][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2217.185569][ T72] fib6_nh_init+0xa22/0x1580 [ 2217.185569][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.185569][ T72] ip6_route_add+0x1c/0x140 [ 2217.185569][ T72] inet6_rtm_newroute+0x104/0x110 [ 2217.185569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.185569][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.185569][ T72] netlink_unicast+0x449/0x710 [ 2217.185569][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.185569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.185569][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.185569][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.185569][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.185569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.185569][ T72] [ 2217.187452][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2217.187452][ T72] dst_init+0x84/0x4a0 [ 2217.187452][ T72] dst_alloc+0x97/0x150 [ 2217.187452][ T72] ip6_dst_alloc+0x23/0x90 [ 2217.187452][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.187452][ T72] ip6_pol_route+0x56f/0x840 [ 2217.187452][ T72] fib6_rule_lookup+0x456/0x630 [ 2217.187452][ T72] ip6_route_input+0x59c/0xa50 [ 2217.187452][ T72] ipv6_rcv+0x397/0x810 [ 2217.187452][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2217.187452][ T72] process_backlog+0x101/0x620 [ 2217.187452][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2217.187452][ T72] net_rx_action+0x495/0xbe0 [ 2217.187452][ T72] __do_softirq+0x1b5/0x7f6 [ 2217.187452][ T72] [ 2217.189051][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2217.189051][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.189051][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.189051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.189051][ T72] ip6_route_add+0x1c/0x140 [ 2217.189051][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2217.189051][ T72] inet6_addr_add+0x4f8/0xa40 [ 2217.189051][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.189051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.189051][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.189051][ T72] netlink_unicast+0x449/0x710 [ 2217.189051][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.189051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.189051][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.189051][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.189051][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.189051][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.189051][ T72] [ 2217.190978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2217.190978][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.190978][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.190978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.190978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2217.190978][ T72] ipv6_add_addr+0x411/0x2000 [ 2217.190978][ T72] inet6_addr_add+0x30e/0xa40 [ 2217.190978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.190978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.190978][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.190978][ T72] netlink_unicast+0x449/0x710 [ 2217.190978][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.190978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.190978][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.190978][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.190978][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.190978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.190978][ T72] [ 2217.192932][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2217.192932][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.192932][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.192932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.192932][ T72] ip6_route_add+0x1c/0x140 [ 2217.192932][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2217.192932][ T72] addrconf_add_dev+0xe2/0x170 [ 2217.192932][ T72] inet6_addr_add+0x12f/0xa40 [ 2217.192932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.192932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.192932][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.192932][ T72] netlink_unicast+0x449/0x710 [ 2217.192932][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.192932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.192932][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.192932][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.192932][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.192932][ T72] [ 2217.194861][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2217.194861][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2217.194861][ T72] ipv6_find_idev+0x102/0x170 [ 2217.194861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.194861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.194861][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.194861][ T72] netlink_unicast+0x449/0x710 [ 2217.194861][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.194861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.194861][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.194861][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.194861][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.194861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.194861][ T72] [ 2217.196361][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2217.196361][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2217.196361][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2217.196361][ T72] ipv6_find_idev+0x102/0x170 [ 2217.196361][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.196361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.196361][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.196361][ T72] netlink_unicast+0x449/0x710 [ 2217.196361][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.196361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.196361][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.196361][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.196361][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.196361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.196361][ T72] [ 2217.198033][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2217.198307][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2217.198307][ T72] dst_init+0x84/0x4a0 [ 2217.198307][ T72] dst_alloc+0x97/0x150 [ 2217.198307][ T72] ip6_dst_alloc+0x23/0x90 [ 2217.198307][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.198307][ T72] ip6_pol_route+0x56f/0x840 [ 2217.198307][ T72] fib6_rule_lookup+0x456/0x630 [ 2217.198307][ T72] ip6_route_input+0x59c/0xa50 [ 2217.198307][ T72] ipv6_rcv+0x397/0x810 [ 2217.198307][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2217.198307][ T72] process_backlog+0x101/0x620 [ 2217.198307][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2217.198307][ T72] net_rx_action+0x495/0xbe0 [ 2217.198307][ T72] __do_softirq+0x1b5/0x7f6 [ 2217.198307][ T72] [ 2217.199934][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2217.199934][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.199934][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.199934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.199934][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2217.199934][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2217.199934][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2217.199934][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2217.199934][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2217.199934][ T72] addrconf_dad_begin+0x310/0x670 [ 2217.199934][ T72] addrconf_dad_work+0x10b/0xab0 [ 2217.199934][ T72] process_one_work+0x84d/0x18a0 [ 2217.199934][ T72] worker_thread+0x587/0xd30 [ 2217.199934][ T72] kthread+0x28a/0x350 [ 2217.199934][ T72] ret_from_fork+0x31/0x70 [ 2217.199934][ T72] ret_from_fork_asm+0x1a/0x30 [ 2217.199934][ T72] [ 2217.201865][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2217.201865][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.201865][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.201865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.201865][ T72] ip6_route_add+0x1c/0x140 [ 2217.201865][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2217.201865][ T72] inet6_addr_add+0x4f8/0xa40 [ 2217.201865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.201865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.201865][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.201865][ T72] netlink_unicast+0x449/0x710 [ 2217.201865][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.201865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.201865][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.201865][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.201865][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.201865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.201865][ T72] [ 2217.203818][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2217.203818][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.203818][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.203818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.203818][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2217.203818][ T72] ipv6_add_addr+0x411/0x2000 [ 2217.203818][ T72] inet6_addr_add+0x30e/0xa40 [ 2217.203818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.203818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.203818][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.203818][ T72] netlink_unicast+0x449/0x710 [ 2217.203818][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.203818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.203818][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.203818][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.203818][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.203818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.203818][ T72] [ 2217.205840][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2217.205840][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.205840][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.205840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.205840][ T72] ip6_route_add+0x1c/0x140 [ 2217.205840][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2217.205840][ T72] addrconf_add_dev+0xe2/0x170 [ 2217.205840][ T72] inet6_addr_add+0x12f/0xa40 [ 2217.205840][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.205840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.205840][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.205840][ T72] netlink_unicast+0x449/0x710 [ 2217.205840][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.205840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.205840][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.205840][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.205840][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.205840][ T72] [ 2217.207843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2217.207843][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2217.207843][ T72] ipv6_find_idev+0x102/0x170 [ 2217.207843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.207843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.207843][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.207843][ T72] netlink_unicast+0x449/0x710 [ 2217.207843][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.207843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.207843][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.207843][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.207843][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.207843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.207843][ T72] [ 2217.209409][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2217.209409][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2217.209409][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2217.209409][ T72] ipv6_find_idev+0x102/0x170 [ 2217.209409][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.209409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.209409][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.209409][ T72] netlink_unicast+0x449/0x710 [ 2217.209409][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.209409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.209409][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.209409][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.209409][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.209409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.209409][ T72] [ 2217.211252][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2217.211530][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2217.211530][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2217.211530][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2217.211530][ T72] fib6_nh_init+0xa22/0x1580 [ 2217.211530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.211530][ T72] ip6_route_add+0x1c/0x140 [ 2217.211530][ T72] inet6_rtm_newroute+0x104/0x110 [ 2217.211530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.211530][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.211530][ T72] netlink_unicast+0x449/0x710 [ 2217.211530][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.211530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.211530][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.211530][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.211530][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.211530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.211530][ T72] [ 2217.213779][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2217.213779][ T72] dst_init+0x84/0x4a0 [ 2217.213779][ T72] dst_alloc+0x97/0x150 [ 2217.213779][ T72] ip6_dst_alloc+0x23/0x90 [ 2217.213779][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.213779][ T72] ip6_pol_route+0x56f/0x840 [ 2217.213779][ T72] fib6_rule_lookup+0x456/0x630 [ 2217.213779][ T72] ip6_route_input+0x59c/0xa50 [ 2217.213779][ T72] ipv6_rcv+0x397/0x810 [ 2217.213779][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2217.213779][ T72] process_backlog+0x101/0x620 [ 2217.213779][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2217.213779][ T72] net_rx_action+0x495/0xbe0 [ 2217.213779][ T72] __do_softirq+0x1b5/0x7f6 [ 2217.213779][ T72] [ 2217.215575][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2217.215575][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.215575][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.215575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.215575][ T72] ip6_route_add+0x1c/0x140 [ 2217.215575][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2217.215575][ T72] inet6_addr_add+0x4f8/0xa40 [ 2217.215575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.215575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.215575][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.215575][ T72] netlink_unicast+0x449/0x710 [ 2217.215575][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.215575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.215575][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.215575][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.215575][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.215575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.215575][ T72] [ 2217.217857][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2217.217857][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.217857][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.217857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.217857][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2217.217857][ T72] ipv6_add_addr+0x411/0x2000 [ 2217.217857][ T72] inet6_addr_add+0x30e/0xa40 [ 2217.217857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.217857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.217857][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.217857][ T72] netlink_unicast+0x449/0x710 [ 2217.217857][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.217857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.217857][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.217857][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.217857][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.217857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.217857][ T72] [ 2217.220047][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2217.220047][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.220047][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.220047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.220047][ T72] ip6_route_add+0x1c/0x140 [ 2217.220047][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2217.220047][ T72] addrconf_add_dev+0xe2/0x170 [ 2217.220047][ T72] inet6_addr_add+0x12f/0xa40 [ 2217.220047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.220047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.220047][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.220047][ T72] netlink_unicast+0x449/0x710 [ 2217.220047][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.220047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.220047][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.220047][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.220047][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.220047][ T72] [ 2217.222336][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2217.222336][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2217.222336][ T72] ipv6_find_idev+0x102/0x170 [ 2217.222336][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.222336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.222336][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.222336][ T72] netlink_unicast+0x449/0x710 [ 2217.222336][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.222336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.222336][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.222336][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.222336][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.222336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.222336][ T72] [ 2217.224057][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2217.224057][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2217.224057][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2217.224057][ T72] ipv6_find_idev+0x102/0x170 [ 2217.224057][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.224057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.224057][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.224057][ T72] netlink_unicast+0x449/0x710 [ 2217.224057][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.224057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.224057][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.224057][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.224057][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.224057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.224057][ T72] [ 2217.225933][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2217.226298][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2217.226298][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.226298][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.226298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.226298][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2217.226298][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2217.226298][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2217.226298][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2217.226298][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2217.226298][ T72] addrconf_dad_begin+0x310/0x670 [ 2217.226298][ T72] addrconf_dad_work+0x10b/0xab0 [ 2217.226298][ T72] process_one_work+0x84d/0x18a0 [ 2217.226298][ T72] worker_thread+0x587/0xd30 [ 2217.226298][ T72] kthread+0x28a/0x350 [ 2217.226298][ T72] ret_from_fork+0x31/0x70 [ 2217.226298][ T72] ret_from_fork_asm+0x1a/0x30 [ 2217.226298][ T72] [ 2217.228336][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2217.228336][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.228336][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.228336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.228336][ T72] ip6_route_add+0x1c/0x140 [ 2217.228336][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2217.228336][ T72] inet6_addr_add+0x4f8/0xa40 [ 2217.228336][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.228336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.228336][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.228336][ T72] netlink_unicast+0x449/0x710 [ 2217.228336][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.228336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.228336][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.228336][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.228336][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.228336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.228336][ T72] [ 2217.230610][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2217.230610][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.230610][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.230610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.230610][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2217.230610][ T72] ipv6_add_addr+0x411/0x2000 [ 2217.230610][ T72] inet6_addr_add+0x30e/0xa40 [ 2217.230610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.230610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.230610][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.230610][ T72] netlink_unicast+0x449/0x710 [ 2217.230610][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.230610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.230610][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.230610][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.230610][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.230610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.230610][ T72] [ 2217.232930][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2217.232930][ T72] netdev_get_by_index+0x5e/0x80 [ 2217.232930][ T72] fib6_nh_init+0x3d8/0x1580 [ 2217.232930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2217.232930][ T72] ip6_route_add+0x1c/0x140 [ 2217.232930][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2217.232930][ T72] addrconf_add_dev+0xe2/0x170 [ 2217.232930][ T72] inet6_addr_add+0x12f/0xa40 [ 2217.232930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.232930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.232930][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.232930][ T72] netlink_unicast+0x449/0x710 [ 2217.232930][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.232930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.232930][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.232930][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.232930][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.232930][ T72] [ 2217.235163][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2217.235163][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2217.235163][ T72] ipv6_find_idev+0x102/0x170 [ 2217.235163][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.235163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.235163][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.235163][ T72] netlink_unicast+0x449/0x710 [ 2217.235163][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.235163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.235163][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.235163][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.235163][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.235163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.235163][ T72] [ 2217.236908][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2217.236908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2217.236908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2217.236908][ T72] ipv6_find_idev+0x102/0x170 [ 2217.236908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.236908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.236908][ T72] netlink_rcv_skb+0x130/0x360 [ 2217.236908][ T72] netlink_unicast+0x449/0x710 [ 2217.236908][ T72] netlink_sendmsg+0x723/0xbe0 [ 2217.236908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2217.236908][ T72] ___sys_sendmsg+0xee/0x170 [ 2217.236908][ T72] __sys_sendmsg+0xcd/0x170 [ 2217.236908][ T72] do_syscall_64+0xc6/0x1e0 [ 2217.236908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.236908][ T72] [ 2227.352996][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2227.353529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2227.353529][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2227.353529][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2227.353529][ T72] fib6_nh_init+0xa22/0x1580 [ 2227.353529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.353529][ T72] ip6_route_add+0x1c/0x140 [ 2227.353529][ T72] inet6_rtm_newroute+0x104/0x110 [ 2227.353529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.353529][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.353529][ T72] netlink_unicast+0x449/0x710 [ 2227.353529][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.353529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.353529][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.353529][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.353529][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.353529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.353529][ T72] [ 2227.355391][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2227.355391][ T72] dst_init+0x84/0x4a0 [ 2227.355391][ T72] dst_alloc+0x97/0x150 [ 2227.355391][ T72] ip6_dst_alloc+0x23/0x90 [ 2227.355391][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.355391][ T72] ip6_pol_route+0x56f/0x840 [ 2227.355391][ T72] fib6_rule_lookup+0x456/0x630 [ 2227.355391][ T72] ip6_route_input+0x59c/0xa50 [ 2227.355391][ T72] ipv6_rcv+0x397/0x810 [ 2227.355391][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2227.355391][ T72] process_backlog+0x101/0x620 [ 2227.355391][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2227.355391][ T72] net_rx_action+0x495/0xbe0 [ 2227.355391][ T72] __do_softirq+0x1b5/0x7f6 [ 2227.355391][ T72] [ 2227.357033][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2227.357033][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.357033][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.357033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.357033][ T72] ip6_route_add+0x1c/0x140 [ 2227.357033][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2227.357033][ T72] inet6_addr_add+0x4f8/0xa40 [ 2227.357033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.357033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.357033][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.357033][ T72] netlink_unicast+0x449/0x710 [ 2227.357033][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.357033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.357033][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.357033][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.357033][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.357033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.357033][ T72] [ 2227.359069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2227.359069][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.359069][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.359069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.359069][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2227.359069][ T72] ipv6_add_addr+0x411/0x2000 [ 2227.359069][ T72] inet6_addr_add+0x30e/0xa40 [ 2227.359069][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.359069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.359069][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.359069][ T72] netlink_unicast+0x449/0x710 [ 2227.359069][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.359069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.359069][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.359069][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.359069][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.359069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.359069][ T72] [ 2227.361079][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2227.361079][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.361079][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.361079][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.361079][ T72] ip6_route_add+0x1c/0x140 [ 2227.361079][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2227.361079][ T72] addrconf_add_dev+0xe2/0x170 [ 2227.361079][ T72] inet6_addr_add+0x12f/0xa40 [ 2227.361079][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.361079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.361079][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.361079][ T72] netlink_unicast+0x449/0x710 [ 2227.361079][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.361079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.361079][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.361079][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.361079][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.361079][ T72] [ 2227.363103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2227.363103][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2227.363103][ T72] ipv6_find_idev+0x102/0x170 [ 2227.363103][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.363103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.363103][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.363103][ T72] netlink_unicast+0x449/0x710 [ 2227.363103][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.363103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.363103][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.363103][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.363103][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.363103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.363103][ T72] [ 2227.364659][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2227.364659][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2227.364659][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2227.364659][ T72] ipv6_find_idev+0x102/0x170 [ 2227.364659][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.364659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.364659][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.364659][ T72] netlink_unicast+0x449/0x710 [ 2227.364659][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.364659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.364659][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.364659][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.364659][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.364659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.364659][ T72] [ 2227.366388][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2227.367225][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2227.367225][ T72] dst_init+0x84/0x4a0 [ 2227.367225][ T72] dst_alloc+0x97/0x150 [ 2227.367225][ T72] ip6_dst_alloc+0x23/0x90 [ 2227.367225][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.367225][ T72] ip6_pol_route+0x56f/0x840 [ 2227.367225][ T72] fib6_rule_lookup+0x456/0x630 [ 2227.367225][ T72] ip6_route_input+0x59c/0xa50 [ 2227.367225][ T72] ipv6_rcv+0x397/0x810 [ 2227.367225][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2227.367225][ T72] process_backlog+0x101/0x620 [ 2227.367225][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2227.367225][ T72] net_rx_action+0x495/0xbe0 [ 2227.367225][ T72] __do_softirq+0x1b5/0x7f6 [ 2227.367225][ T72] [ 2227.368907][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2227.368907][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.368907][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.368907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.368907][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2227.368907][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2227.368907][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2227.368907][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2227.368907][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2227.368907][ T72] addrconf_dad_begin+0x310/0x670 [ 2227.368907][ T72] addrconf_dad_work+0x10b/0xab0 [ 2227.368907][ T72] process_one_work+0x84d/0x18a0 [ 2227.368907][ T72] worker_thread+0x587/0xd30 [ 2227.368907][ T72] kthread+0x28a/0x350 [ 2227.368907][ T72] ret_from_fork+0x31/0x70 [ 2227.368907][ T72] ret_from_fork_asm+0x1a/0x30 [ 2227.368907][ T72] [ 2227.370813][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2227.370813][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.370813][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.370813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.370813][ T72] ip6_route_add+0x1c/0x140 [ 2227.370813][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2227.370813][ T72] inet6_addr_add+0x4f8/0xa40 [ 2227.370813][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.370813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.370813][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.370813][ T72] netlink_unicast+0x449/0x710 [ 2227.370813][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.370813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.370813][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.370813][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.370813][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.370813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.370813][ T72] [ 2227.372828][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2227.372828][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.372828][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.372828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.372828][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2227.372828][ T72] ipv6_add_addr+0x411/0x2000 [ 2227.372828][ T72] inet6_addr_add+0x30e/0xa40 [ 2227.372828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.372828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.372828][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.372828][ T72] netlink_unicast+0x449/0x710 [ 2227.372828][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.372828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.372828][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.372828][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.372828][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.372828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.372828][ T72] [ 2227.374917][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2227.374917][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.374917][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.374917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.374917][ T72] ip6_route_add+0x1c/0x140 [ 2227.374917][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2227.374917][ T72] addrconf_add_dev+0xe2/0x170 [ 2227.374917][ T72] inet6_addr_add+0x12f/0xa40 [ 2227.374917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.374917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.374917][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.374917][ T72] netlink_unicast+0x449/0x710 [ 2227.374917][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.374917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.374917][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.374917][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.374917][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.374917][ T72] [ 2227.376901][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2227.376901][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2227.376901][ T72] ipv6_find_idev+0x102/0x170 [ 2227.376901][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.376901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.376901][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.376901][ T72] netlink_unicast+0x449/0x710 [ 2227.376901][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.376901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.376901][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.376901][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.376901][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.376901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.376901][ T72] [ 2227.378846][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2227.378846][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2227.378846][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2227.378846][ T72] ipv6_find_idev+0x102/0x170 [ 2227.378846][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.378846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.378846][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.378846][ T72] netlink_unicast+0x449/0x710 [ 2227.378846][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.378846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.378846][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.378846][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.378846][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.378846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.378846][ T72] [ 2227.380621][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2227.380901][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2227.380901][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2227.380901][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2227.380901][ T72] fib6_nh_init+0xa22/0x1580 [ 2227.380901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.380901][ T72] ip6_route_add+0x1c/0x140 [ 2227.380901][ T72] inet6_rtm_newroute+0x104/0x110 [ 2227.380901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.380901][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.380901][ T72] netlink_unicast+0x449/0x710 [ 2227.380901][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.380901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.380901][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.380901][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.380901][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.380901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.380901][ T72] [ 2227.382971][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2227.382971][ T72] dst_init+0x84/0x4a0 [ 2227.382971][ T72] dst_alloc+0x97/0x150 [ 2227.382971][ T72] ip6_dst_alloc+0x23/0x90 [ 2227.382971][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.382971][ T72] ip6_pol_route+0x56f/0x840 [ 2227.382971][ T72] fib6_rule_lookup+0x456/0x630 [ 2227.382971][ T72] ip6_route_input+0x59c/0xa50 [ 2227.382971][ T72] ipv6_rcv+0x397/0x810 [ 2227.382971][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2227.382971][ T72] process_backlog+0x101/0x620 [ 2227.382971][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2227.382971][ T72] net_rx_action+0x495/0xbe0 [ 2227.382971][ T72] __do_softirq+0x1b5/0x7f6 [ 2227.382971][ T72] [ 2227.384667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2227.384667][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.384667][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.384667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.384667][ T72] ip6_route_add+0x1c/0x140 [ 2227.384667][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2227.384667][ T72] inet6_addr_add+0x4f8/0xa40 [ 2227.384667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.384667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.384667][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.384667][ T72] netlink_unicast+0x449/0x710 [ 2227.384667][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.384667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.384667][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.384667][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.384667][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.384667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.384667][ T72] [ 2227.386793][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2227.386793][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.386793][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.386793][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.386793][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2227.386793][ T72] ipv6_add_addr+0x411/0x2000 [ 2227.386793][ T72] inet6_addr_add+0x30e/0xa40 [ 2227.386793][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.386793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.386793][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.386793][ T72] netlink_unicast+0x449/0x710 [ 2227.386793][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.386793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.386793][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.386793][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.386793][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.386793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.386793][ T72] [ 2227.388918][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2227.388918][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.388918][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.388918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.388918][ T72] ip6_route_add+0x1c/0x140 [ 2227.388918][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2227.388918][ T72] addrconf_add_dev+0xe2/0x170 [ 2227.388918][ T72] inet6_addr_add+0x12f/0xa40 [ 2227.388918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.388918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.388918][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.388918][ T72] netlink_unicast+0x449/0x710 [ 2227.388918][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.388918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.388918][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.388918][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.388918][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.388918][ T72] [ 2227.391049][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2227.391049][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2227.391049][ T72] ipv6_find_idev+0x102/0x170 [ 2227.391049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.391049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.391049][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.391049][ T72] netlink_unicast+0x449/0x710 [ 2227.391049][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.391049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.391049][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.391049][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.391049][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.391049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.391049][ T72] [ 2227.392661][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2227.392661][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2227.392661][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2227.392661][ T72] ipv6_find_idev+0x102/0x170 [ 2227.392661][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.392661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.392661][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.392661][ T72] netlink_unicast+0x449/0x710 [ 2227.392661][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.392661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.392661][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.392661][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.392661][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.392661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.392661][ T72] [ 2227.394471][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2227.394760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2227.394760][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.394760][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.394760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.394760][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2227.394760][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2227.394760][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2227.394760][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2227.394760][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2227.394760][ T72] addrconf_dad_begin+0x310/0x670 [ 2227.394760][ T72] addrconf_dad_work+0x10b/0xab0 [ 2227.394760][ T72] process_one_work+0x84d/0x18a0 [ 2227.394760][ T72] worker_thread+0x587/0xd30 [ 2227.394760][ T72] kthread+0x28a/0x350 [ 2227.394760][ T72] ret_from_fork+0x31/0x70 [ 2227.394760][ T72] ret_from_fork_asm+0x1a/0x30 [ 2227.394760][ T72] [ 2227.396798][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2227.396798][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.396798][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.396798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.396798][ T72] ip6_route_add+0x1c/0x140 [ 2227.396798][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2227.396798][ T72] inet6_addr_add+0x4f8/0xa40 [ 2227.396798][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.396798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.396798][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.396798][ T72] netlink_unicast+0x449/0x710 [ 2227.396798][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.396798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.396798][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.396798][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.396798][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.396798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.396798][ T72] [ 2227.398929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2227.398929][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.398929][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.398929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.398929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2227.398929][ T72] ipv6_add_addr+0x411/0x2000 [ 2227.398929][ T72] inet6_addr_add+0x30e/0xa40 [ 2227.398929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.398929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.398929][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.398929][ T72] netlink_unicast+0x449/0x710 [ 2227.398929][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.398929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.398929][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.398929][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.398929][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.398929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.398929][ T72] [ 2227.401063][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2227.401063][ T72] netdev_get_by_index+0x5e/0x80 [ 2227.401063][ T72] fib6_nh_init+0x3d8/0x1580 [ 2227.401063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2227.401063][ T72] ip6_route_add+0x1c/0x140 [ 2227.401063][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2227.401063][ T72] addrconf_add_dev+0xe2/0x170 [ 2227.401063][ T72] inet6_addr_add+0x12f/0xa40 [ 2227.401063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.401063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.401063][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.401063][ T72] netlink_unicast+0x449/0x710 [ 2227.401063][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.401063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.401063][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.401063][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.401063][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.401063][ T72] [ 2227.403163][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2227.403163][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2227.403163][ T72] ipv6_find_idev+0x102/0x170 [ 2227.403163][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.403163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.403163][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.403163][ T72] netlink_unicast+0x449/0x710 [ 2227.403163][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.403163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.403163][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.403163][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.403163][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.403163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.403163][ T72] [ 2227.404799][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2227.404799][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2227.404799][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2227.404799][ T72] ipv6_find_idev+0x102/0x170 [ 2227.404799][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.404799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.404799][ T72] netlink_rcv_skb+0x130/0x360 [ 2227.404799][ T72] netlink_unicast+0x449/0x710 [ 2227.404799][ T72] netlink_sendmsg+0x723/0xbe0 [ 2227.404799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2227.404799][ T72] ___sys_sendmsg+0xee/0x170 [ 2227.404799][ T72] __sys_sendmsg+0xcd/0x170 [ 2227.404799][ T72] do_syscall_64+0xc6/0x1e0 [ 2227.404799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.404799][ T72] [ 2237.648994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2237.650103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2237.650103][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2237.650103][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2237.650103][ T72] fib6_nh_init+0xa22/0x1580 [ 2237.650103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.650103][ T72] ip6_route_add+0x1c/0x140 [ 2237.650103][ T72] inet6_rtm_newroute+0x104/0x110 [ 2237.650103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.650103][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.650103][ T72] netlink_unicast+0x449/0x710 [ 2237.650103][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.650103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.650103][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.650103][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.650103][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.650103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.650103][ T72] [ 2237.651981][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2237.651981][ T72] dst_init+0x84/0x4a0 [ 2237.651981][ T72] dst_alloc+0x97/0x150 [ 2237.651981][ T72] ip6_dst_alloc+0x23/0x90 [ 2237.651981][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2237.651981][ T72] ip6_pol_route+0x56f/0x840 [ 2237.651981][ T72] fib6_rule_lookup+0x456/0x630 [ 2237.651981][ T72] ip6_route_input+0x59c/0xa50 [ 2237.651981][ T72] ipv6_rcv+0x397/0x810 [ 2237.651981][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2237.651981][ T72] process_backlog+0x101/0x620 [ 2237.651981][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2237.651981][ T72] net_rx_action+0x495/0xbe0 [ 2237.651981][ T72] __do_softirq+0x1b5/0x7f6 [ 2237.651981][ T72] [ 2237.653577][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2237.653577][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.653577][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.653577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.653577][ T72] ip6_route_add+0x1c/0x140 [ 2237.653577][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2237.653577][ T72] inet6_addr_add+0x4f8/0xa40 [ 2237.653577][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.653577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.653577][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.653577][ T72] netlink_unicast+0x449/0x710 [ 2237.653577][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.653577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.653577][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.653577][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.653577][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.653577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.653577][ T72] [ 2237.655591][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2237.655591][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.655591][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.655591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.655591][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2237.655591][ T72] ipv6_add_addr+0x411/0x2000 [ 2237.655591][ T72] inet6_addr_add+0x30e/0xa40 [ 2237.655591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.655591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.655591][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.655591][ T72] netlink_unicast+0x449/0x710 [ 2237.655591][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.655591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.655591][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.655591][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.655591][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.655591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.655591][ T72] [ 2237.657591][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2237.657591][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.657591][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.657591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.657591][ T72] ip6_route_add+0x1c/0x140 [ 2237.657591][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.657591][ T72] addrconf_add_dev+0xe2/0x170 [ 2237.657591][ T72] inet6_addr_add+0x12f/0xa40 [ 2237.657591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.657591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.657591][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.657591][ T72] netlink_unicast+0x449/0x710 [ 2237.657591][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.657591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.657591][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.657591][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.657591][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.657591][ T72] [ 2237.659526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2237.659526][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2237.659526][ T72] ipv6_find_idev+0x102/0x170 [ 2237.659526][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.659526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.659526][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.659526][ T72] netlink_unicast+0x449/0x710 [ 2237.659526][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.659526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.659526][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.659526][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.659526][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.659526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.659526][ T72] [ 2237.661048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2237.661048][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2237.661048][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2237.661048][ T72] ipv6_find_idev+0x102/0x170 [ 2237.661048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.661048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.661048][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.661048][ T72] netlink_unicast+0x449/0x710 [ 2237.661048][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.661048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.661048][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.661048][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.661048][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.661048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.661048][ T72] [ 2237.662729][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2237.663119][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2237.663119][ T72] dst_init+0x84/0x4a0 [ 2237.663119][ T72] dst_alloc+0x97/0x150 [ 2237.663119][ T72] ip6_dst_alloc+0x23/0x90 [ 2237.663119][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2237.663119][ T72] ip6_pol_route+0x56f/0x840 [ 2237.663119][ T72] fib6_rule_lookup+0x456/0x630 [ 2237.663119][ T72] ip6_route_input+0x59c/0xa50 [ 2237.663119][ T72] ipv6_rcv+0x397/0x810 [ 2237.663119][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2237.663119][ T72] process_backlog+0x101/0x620 [ 2237.663119][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2237.663119][ T72] net_rx_action+0x495/0xbe0 [ 2237.663119][ T72] __do_softirq+0x1b5/0x7f6 [ 2237.663119][ T72] [ 2237.664760][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2237.664760][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.664760][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.664760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.664760][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2237.664760][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2237.664760][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2237.664760][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2237.664760][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2237.664760][ T72] addrconf_dad_begin+0x310/0x670 [ 2237.664760][ T72] addrconf_dad_work+0x10b/0xab0 [ 2237.664760][ T72] process_one_work+0x84d/0x18a0 [ 2237.664760][ T72] worker_thread+0x587/0xd30 [ 2237.664760][ T72] kthread+0x28a/0x350 [ 2237.664760][ T72] ret_from_fork+0x31/0x70 [ 2237.664760][ T72] ret_from_fork_asm+0x1a/0x30 [ 2237.664760][ T72] [ 2237.666668][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2237.666668][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.666668][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.666668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.666668][ T72] ip6_route_add+0x1c/0x140 [ 2237.666668][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2237.666668][ T72] inet6_addr_add+0x4f8/0xa40 [ 2237.666668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.666668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.666668][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.666668][ T72] netlink_unicast+0x449/0x710 [ 2237.666668][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.666668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.666668][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.666668][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.666668][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.666668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.666668][ T72] [ 2237.668654][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2237.668654][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.668654][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.668654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.668654][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2237.668654][ T72] ipv6_add_addr+0x411/0x2000 [ 2237.668654][ T72] inet6_addr_add+0x30e/0xa40 [ 2237.668654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.668654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.668654][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.668654][ T72] netlink_unicast+0x449/0x710 [ 2237.668654][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.668654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.668654][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.668654][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.668654][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.668654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.668654][ T72] [ 2237.670649][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2237.670649][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.670649][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.670649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.670649][ T72] ip6_route_add+0x1c/0x140 [ 2237.670649][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.670649][ T72] addrconf_add_dev+0xe2/0x170 [ 2237.670649][ T72] inet6_addr_add+0x12f/0xa40 [ 2237.670649][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.670649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.670649][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.670649][ T72] netlink_unicast+0x449/0x710 [ 2237.670649][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.670649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.670649][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.670649][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.670649][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.670649][ T72] [ 2237.672581][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2237.672581][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2237.672581][ T72] ipv6_find_idev+0x102/0x170 [ 2237.672581][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.672581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.672581][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.672581][ T72] netlink_unicast+0x449/0x710 [ 2237.672581][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.672581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.672581][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.672581][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.672581][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.672581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.672581][ T72] [ 2237.674115][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2237.674115][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2237.674115][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2237.674115][ T72] ipv6_find_idev+0x102/0x170 [ 2237.674115][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.674115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.674115][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.674115][ T72] netlink_unicast+0x449/0x710 [ 2237.674115][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.674115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.674115][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.674115][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.674115][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.674115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.674115][ T72] [ 2237.675901][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2237.676163][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2237.676163][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2237.676163][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2237.676163][ T72] fib6_nh_init+0xa22/0x1580 [ 2237.676163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.676163][ T72] ip6_route_add+0x1c/0x140 [ 2237.676163][ T72] inet6_rtm_newroute+0x104/0x110 [ 2237.676163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.676163][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.676163][ T72] netlink_unicast+0x449/0x710 [ 2237.676163][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.676163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.676163][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.676163][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.676163][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.676163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.676163][ T72] [ 2237.678218][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2237.678218][ T72] dst_init+0x84/0x4a0 [ 2237.678218][ T72] dst_alloc+0x97/0x150 [ 2237.678218][ T72] ip6_dst_alloc+0x23/0x90 [ 2237.678218][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2237.678218][ T72] ip6_pol_route+0x56f/0x840 [ 2237.678218][ T72] fib6_rule_lookup+0x456/0x630 [ 2237.678218][ T72] ip6_route_input+0x59c/0xa50 [ 2237.678218][ T72] ipv6_rcv+0x397/0x810 [ 2237.678218][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2237.678218][ T72] process_backlog+0x101/0x620 [ 2237.678218][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2237.678218][ T72] net_rx_action+0x495/0xbe0 [ 2237.678218][ T72] __do_softirq+0x1b5/0x7f6 [ 2237.678218][ T72] [ 2237.680086][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2237.680086][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.680086][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.680086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.680086][ T72] ip6_route_add+0x1c/0x140 [ 2237.680086][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2237.680086][ T72] inet6_addr_add+0x4f8/0xa40 [ 2237.680086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.680086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.680086][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.680086][ T72] netlink_unicast+0x449/0x710 [ 2237.680086][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.680086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.680086][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.680086][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.680086][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.680086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.680086][ T72] [ 2237.682321][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2237.682321][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.682321][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.682321][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.682321][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2237.682321][ T72] ipv6_add_addr+0x411/0x2000 [ 2237.682321][ T72] inet6_addr_add+0x30e/0xa40 [ 2237.682321][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.682321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.682321][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.682321][ T72] netlink_unicast+0x449/0x710 [ 2237.682321][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.682321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.682321][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.682321][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.682321][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.682321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.682321][ T72] [ 2237.684555][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2237.684555][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.684555][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.684555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.684555][ T72] ip6_route_add+0x1c/0x140 [ 2237.684555][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.684555][ T72] addrconf_add_dev+0xe2/0x170 [ 2237.684555][ T72] inet6_addr_add+0x12f/0xa40 [ 2237.684555][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.684555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.684555][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.684555][ T72] netlink_unicast+0x449/0x710 [ 2237.684555][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.684555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.684555][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.684555][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.684555][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.684555][ T72] [ 2237.686741][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2237.686741][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2237.686741][ T72] ipv6_find_idev+0x102/0x170 [ 2237.686741][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.686741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.686741][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.686741][ T72] netlink_unicast+0x449/0x710 [ 2237.686741][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.686741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.686741][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.686741][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.686741][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.686741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.686741][ T72] [ 2237.688455][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2237.688455][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2237.688455][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2237.688455][ T72] ipv6_find_idev+0x102/0x170 [ 2237.688455][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.688455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.688455][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.688455][ T72] netlink_unicast+0x449/0x710 [ 2237.688455][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.688455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.688455][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.688455][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.688455][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.688455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.688455][ T72] [ 2237.690339][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2237.690613][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2237.690613][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.690613][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.690613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.690613][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2237.690613][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2237.690613][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2237.690613][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2237.690613][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2237.690613][ T72] addrconf_dad_begin+0x310/0x670 [ 2237.690613][ T72] addrconf_dad_work+0x10b/0xab0 [ 2237.690613][ T72] process_one_work+0x84d/0x18a0 [ 2237.690613][ T72] worker_thread+0x587/0xd30 [ 2237.690613][ T72] kthread+0x28a/0x350 [ 2237.690613][ T72] ret_from_fork+0x31/0x70 [ 2237.690613][ T72] ret_from_fork_asm+0x1a/0x30 [ 2237.690613][ T72] [ 2237.692808][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2237.692808][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.692808][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.692808][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.692808][ T72] ip6_route_add+0x1c/0x140 [ 2237.692808][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2237.692808][ T72] inet6_addr_add+0x4f8/0xa40 [ 2237.692808][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.692808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.692808][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.692808][ T72] netlink_unicast+0x449/0x710 [ 2237.692808][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.692808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.692808][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.692808][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.692808][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.692808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.692808][ T72] [ 2237.695575][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2237.695575][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.695575][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.695575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.695575][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2237.695575][ T72] ipv6_add_addr+0x411/0x2000 [ 2237.695575][ T72] inet6_addr_add+0x30e/0xa40 [ 2237.695575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.695575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.695575][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.695575][ T72] netlink_unicast+0x449/0x710 [ 2237.695575][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.695575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.695575][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.695575][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.695575][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.695575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.695575][ T72] [ 2237.697798][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2237.697798][ T72] netdev_get_by_index+0x5e/0x80 [ 2237.697798][ T72] fib6_nh_init+0x3d8/0x1580 [ 2237.697798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2237.697798][ T72] ip6_route_add+0x1c/0x140 [ 2237.697798][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.697798][ T72] addrconf_add_dev+0xe2/0x170 [ 2237.697798][ T72] inet6_addr_add+0x12f/0xa40 [ 2237.697798][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.697798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.697798][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.697798][ T72] netlink_unicast+0x449/0x710 [ 2237.697798][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.697798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.697798][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.697798][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.697798][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.697798][ T72] [ 2237.699930][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2237.699930][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2237.699930][ T72] ipv6_find_idev+0x102/0x170 [ 2237.699930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.699930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.699930][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.699930][ T72] netlink_unicast+0x449/0x710 [ 2237.699930][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.699930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.699930][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.699930][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.699930][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.699930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.699930][ T72] [ 2237.701696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2237.701696][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2237.701696][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2237.701696][ T72] ipv6_find_idev+0x102/0x170 [ 2237.701696][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.701696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.701696][ T72] netlink_rcv_skb+0x130/0x360 [ 2237.701696][ T72] netlink_unicast+0x449/0x710 [ 2237.701696][ T72] netlink_sendmsg+0x723/0xbe0 [ 2237.701696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2237.701696][ T72] ___sys_sendmsg+0xee/0x170 [ 2237.701696][ T72] __sys_sendmsg+0xcd/0x170 [ 2237.701696][ T72] do_syscall_64+0xc6/0x1e0 [ 2237.701696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.701696][ T72] [ 2247.864938][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2247.865420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2247.865420][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2247.865420][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2247.865420][ T72] fib6_nh_init+0xa22/0x1580 [ 2247.865420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.865420][ T72] ip6_route_add+0x1c/0x140 [ 2247.865420][ T72] inet6_rtm_newroute+0x104/0x110 [ 2247.865420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.865420][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.865420][ T72] netlink_unicast+0x449/0x710 [ 2247.865420][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.865420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.865420][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.865420][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.865420][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.865420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.865420][ T72] [ 2247.867324][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2247.867324][ T72] dst_init+0x84/0x4a0 [ 2247.867324][ T72] dst_alloc+0x97/0x150 [ 2247.867324][ T72] ip6_dst_alloc+0x23/0x90 [ 2247.867324][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2247.867324][ T72] ip6_pol_route+0x56f/0x840 [ 2247.867324][ T72] fib6_rule_lookup+0x456/0x630 [ 2247.867324][ T72] ip6_route_input+0x59c/0xa50 [ 2247.867324][ T72] ipv6_rcv+0x397/0x810 [ 2247.867324][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2247.867324][ T72] process_backlog+0x101/0x620 [ 2247.867324][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2247.867324][ T72] net_rx_action+0x495/0xbe0 [ 2247.867324][ T72] __do_softirq+0x1b5/0x7f6 [ 2247.867324][ T72] [ 2247.868962][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2247.868962][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.868962][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.868962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.868962][ T72] ip6_route_add+0x1c/0x140 [ 2247.868962][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2247.868962][ T72] inet6_addr_add+0x4f8/0xa40 [ 2247.868962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.868962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.868962][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.868962][ T72] netlink_unicast+0x449/0x710 [ 2247.868962][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.868962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.868962][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.868962][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.868962][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.868962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.868962][ T72] [ 2247.871310][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2247.871310][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.871310][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.871310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.871310][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2247.871310][ T72] ipv6_add_addr+0x411/0x2000 [ 2247.871310][ T72] inet6_addr_add+0x30e/0xa40 [ 2247.871310][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.871310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.871310][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.871310][ T72] netlink_unicast+0x449/0x710 [ 2247.871310][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.871310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.871310][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.871310][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.871310][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.871310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.871310][ T72] [ 2247.873318][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2247.873318][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.873318][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.873318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.873318][ T72] ip6_route_add+0x1c/0x140 [ 2247.873318][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.873318][ T72] addrconf_add_dev+0xe2/0x170 [ 2247.873318][ T72] inet6_addr_add+0x12f/0xa40 [ 2247.873318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.873318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.873318][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.873318][ T72] netlink_unicast+0x449/0x710 [ 2247.873318][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.873318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.873318][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.873318][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.873318][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.873318][ T72] [ 2247.875265][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2247.875265][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2247.875265][ T72] ipv6_find_idev+0x102/0x170 [ 2247.875265][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.875265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.875265][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.875265][ T72] netlink_unicast+0x449/0x710 [ 2247.875265][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.875265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.875265][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.875265][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.875265][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.875265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.875265][ T72] [ 2247.876791][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2247.876791][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2247.876791][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2247.876791][ T72] ipv6_find_idev+0x102/0x170 [ 2247.876791][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.876791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.876791][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.876791][ T72] netlink_unicast+0x449/0x710 [ 2247.876791][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.876791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.876791][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.876791][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.876791][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.876791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.876791][ T72] [ 2247.878487][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2247.878765][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2247.878765][ T72] dst_init+0x84/0x4a0 [ 2247.878765][ T72] dst_alloc+0x97/0x150 [ 2247.878765][ T72] ip6_dst_alloc+0x23/0x90 [ 2247.878765][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2247.878765][ T72] ip6_pol_route+0x56f/0x840 [ 2247.878765][ T72] fib6_rule_lookup+0x456/0x630 [ 2247.878765][ T72] ip6_route_input+0x59c/0xa50 [ 2247.878765][ T72] ipv6_rcv+0x397/0x810 [ 2247.878765][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2247.878765][ T72] process_backlog+0x101/0x620 [ 2247.878765][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2247.878765][ T72] net_rx_action+0x495/0xbe0 [ 2247.878765][ T72] __do_softirq+0x1b5/0x7f6 [ 2247.878765][ T72] [ 2247.880415][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2247.880415][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.880415][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.880415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.880415][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2247.880415][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2247.880415][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2247.880415][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2247.880415][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2247.880415][ T72] addrconf_dad_begin+0x310/0x670 [ 2247.880415][ T72] addrconf_dad_work+0x10b/0xab0 [ 2247.880415][ T72] process_one_work+0x84d/0x18a0 [ 2247.880415][ T72] worker_thread+0x587/0xd30 [ 2247.880415][ T72] kthread+0x28a/0x350 [ 2247.880415][ T72] ret_from_fork+0x31/0x70 [ 2247.880415][ T72] ret_from_fork_asm+0x1a/0x30 [ 2247.880415][ T72] [ 2247.882308][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2247.882308][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.882308][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.882308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.882308][ T72] ip6_route_add+0x1c/0x140 [ 2247.882308][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2247.882308][ T72] inet6_addr_add+0x4f8/0xa40 [ 2247.882308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.882308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.882308][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.882308][ T72] netlink_unicast+0x449/0x710 [ 2247.882308][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.882308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.882308][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.882308][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.882308][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.882308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.882308][ T72] [ 2247.884283][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2247.884283][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.884283][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.884283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.884283][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2247.884283][ T72] ipv6_add_addr+0x411/0x2000 [ 2247.884283][ T72] inet6_addr_add+0x30e/0xa40 [ 2247.884283][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.884283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.884283][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.884283][ T72] netlink_unicast+0x449/0x710 [ 2247.884283][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.884283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.884283][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.884283][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.884283][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.884283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.884283][ T72] [ 2247.886268][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2247.886268][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.886268][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.886268][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.886268][ T72] ip6_route_add+0x1c/0x140 [ 2247.886268][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.886268][ T72] addrconf_add_dev+0xe2/0x170 [ 2247.886268][ T72] inet6_addr_add+0x12f/0xa40 [ 2247.886268][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.886268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.886268][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.886268][ T72] netlink_unicast+0x449/0x710 [ 2247.886268][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.886268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.886268][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.886268][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.886268][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.886268][ T72] [ 2247.888214][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2247.888214][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2247.888214][ T72] ipv6_find_idev+0x102/0x170 [ 2247.888214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.888214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.888214][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.888214][ T72] netlink_unicast+0x449/0x710 [ 2247.888214][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.888214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.888214][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.888214][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.888214][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.888214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.888214][ T72] [ 2247.889739][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2247.889739][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2247.889739][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2247.889739][ T72] ipv6_find_idev+0x102/0x170 [ 2247.889739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.889739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.889739][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.889739][ T72] netlink_unicast+0x449/0x710 [ 2247.889739][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.889739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.889739][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.889739][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.889739][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.889739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.889739][ T72] [ 2247.891531][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2247.891808][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2247.891808][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2247.891808][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2247.891808][ T72] fib6_nh_init+0xa22/0x1580 [ 2247.891808][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.891808][ T72] ip6_route_add+0x1c/0x140 [ 2247.891808][ T72] inet6_rtm_newroute+0x104/0x110 [ 2247.891808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.891808][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.891808][ T72] netlink_unicast+0x449/0x710 [ 2247.891808][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.891808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.891808][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.891808][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.891808][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.891808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.891808][ T72] [ 2247.893927][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2247.893927][ T72] dst_init+0x84/0x4a0 [ 2247.893927][ T72] dst_alloc+0x97/0x150 [ 2247.893927][ T72] ip6_dst_alloc+0x23/0x90 [ 2247.893927][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2247.893927][ T72] ip6_pol_route+0x56f/0x840 [ 2247.893927][ T72] fib6_rule_lookup+0x456/0x630 [ 2247.893927][ T72] ip6_route_input+0x59c/0xa50 [ 2247.893927][ T72] ipv6_rcv+0x397/0x810 [ 2247.893927][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2247.893927][ T72] process_backlog+0x101/0x620 [ 2247.893927][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2247.893927][ T72] net_rx_action+0x495/0xbe0 [ 2247.893927][ T72] __do_softirq+0x1b5/0x7f6 [ 2247.893927][ T72] [ 2247.895789][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2247.895789][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.895789][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.895789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.895789][ T72] ip6_route_add+0x1c/0x140 [ 2247.895789][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2247.895789][ T72] inet6_addr_add+0x4f8/0xa40 [ 2247.895789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.895789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.895789][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.895789][ T72] netlink_unicast+0x449/0x710 [ 2247.895789][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.895789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.895789][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.895789][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.895789][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.895789][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.895789][ T72] [ 2247.898080][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2247.898080][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.898080][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.898080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.898080][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2247.898080][ T72] ipv6_add_addr+0x411/0x2000 [ 2247.898080][ T72] inet6_addr_add+0x30e/0xa40 [ 2247.898080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.898080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.898080][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.898080][ T72] netlink_unicast+0x449/0x710 [ 2247.898080][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.898080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.898080][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.898080][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.898080][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.898080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.898080][ T72] [ 2247.900248][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2247.900248][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.900248][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.900248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.900248][ T72] ip6_route_add+0x1c/0x140 [ 2247.900248][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.900248][ T72] addrconf_add_dev+0xe2/0x170 [ 2247.900248][ T72] inet6_addr_add+0x12f/0xa40 [ 2247.900248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.900248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.900248][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.900248][ T72] netlink_unicast+0x449/0x710 [ 2247.900248][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.900248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.900248][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.900248][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.900248][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.900248][ T72] [ 2247.902507][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2247.902507][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2247.902507][ T72] ipv6_find_idev+0x102/0x170 [ 2247.902507][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.902507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.902507][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.902507][ T72] netlink_unicast+0x449/0x710 [ 2247.902507][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.902507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.902507][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.902507][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.902507][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.902507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.902507][ T72] [ 2247.904221][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2247.904221][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2247.904221][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2247.904221][ T72] ipv6_find_idev+0x102/0x170 [ 2247.904221][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.904221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.904221][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.904221][ T72] netlink_unicast+0x449/0x710 [ 2247.904221][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.904221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.904221][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.904221][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.904221][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.904221][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.904221][ T72] [ 2247.906079][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2247.906413][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2247.906413][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.906413][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.906413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.906413][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2247.906413][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2247.906413][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2247.906413][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2247.906413][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2247.906413][ T72] addrconf_dad_begin+0x310/0x670 [ 2247.906413][ T72] addrconf_dad_work+0x10b/0xab0 [ 2247.906413][ T72] process_one_work+0x84d/0x18a0 [ 2247.906413][ T72] worker_thread+0x587/0xd30 [ 2247.906413][ T72] kthread+0x28a/0x350 [ 2247.906413][ T72] ret_from_fork+0x31/0x70 [ 2247.906413][ T72] ret_from_fork_asm+0x1a/0x30 [ 2247.906413][ T72] [ 2247.908517][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2247.908517][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.908517][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.908517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.908517][ T72] ip6_route_add+0x1c/0x140 [ 2247.908517][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2247.908517][ T72] inet6_addr_add+0x4f8/0xa40 [ 2247.908517][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.908517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.908517][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.908517][ T72] netlink_unicast+0x449/0x710 [ 2247.908517][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.908517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.908517][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.908517][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.908517][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.908517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.908517][ T72] [ 2247.910741][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2247.910741][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.910741][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.910741][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.910741][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2247.910741][ T72] ipv6_add_addr+0x411/0x2000 [ 2247.910741][ T72] inet6_addr_add+0x30e/0xa40 [ 2247.910741][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.910741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.910741][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.910741][ T72] netlink_unicast+0x449/0x710 [ 2247.910741][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.910741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.910741][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.910741][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.910741][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.910741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.910741][ T72] [ 2247.913061][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2247.913061][ T72] netdev_get_by_index+0x5e/0x80 [ 2247.913061][ T72] fib6_nh_init+0x3d8/0x1580 [ 2247.913061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2247.913061][ T72] ip6_route_add+0x1c/0x140 [ 2247.913061][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.913061][ T72] addrconf_add_dev+0xe2/0x170 [ 2247.913061][ T72] inet6_addr_add+0x12f/0xa40 [ 2247.913061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.913061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.913061][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.913061][ T72] netlink_unicast+0x449/0x710 [ 2247.913061][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.913061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.913061][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.913061][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.913061][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.913061][ T72] [ 2247.915253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2247.915253][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2247.915253][ T72] ipv6_find_idev+0x102/0x170 [ 2247.915253][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.915253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.915253][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.915253][ T72] netlink_unicast+0x449/0x710 [ 2247.915253][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.915253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.915253][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.915253][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.915253][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.915253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.915253][ T72] [ 2247.916965][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2247.916965][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2247.916965][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2247.916965][ T72] ipv6_find_idev+0x102/0x170 [ 2247.916965][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.916965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.916965][ T72] netlink_rcv_skb+0x130/0x360 [ 2247.916965][ T72] netlink_unicast+0x449/0x710 [ 2247.916965][ T72] netlink_sendmsg+0x723/0xbe0 [ 2247.916965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2247.916965][ T72] ___sys_sendmsg+0xee/0x170 [ 2247.916965][ T72] __sys_sendmsg+0xcd/0x170 [ 2247.916965][ T72] do_syscall_64+0xc6/0x1e0 [ 2247.916965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.916965][ T72] [ 2258.056978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2258.057539][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2258.057539][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2258.057539][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2258.057539][ T72] fib6_nh_init+0xa22/0x1580 [ 2258.057539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.057539][ T72] ip6_route_add+0x1c/0x140 [ 2258.057539][ T72] inet6_rtm_newroute+0x104/0x110 [ 2258.057539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.057539][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.057539][ T72] netlink_unicast+0x449/0x710 [ 2258.057539][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.057539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.057539][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.057539][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.057539][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.057539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.057539][ T72] [ 2258.059451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2258.059451][ T72] dst_init+0x84/0x4a0 [ 2258.059451][ T72] dst_alloc+0x97/0x150 [ 2258.059451][ T72] ip6_dst_alloc+0x23/0x90 [ 2258.059451][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.059451][ T72] ip6_pol_route+0x56f/0x840 [ 2258.059451][ T72] fib6_rule_lookup+0x456/0x630 [ 2258.059451][ T72] ip6_route_input+0x59c/0xa50 [ 2258.059451][ T72] ipv6_rcv+0x397/0x810 [ 2258.059451][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2258.059451][ T72] process_backlog+0x101/0x620 [ 2258.059451][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2258.059451][ T72] net_rx_action+0x495/0xbe0 [ 2258.059451][ T72] __do_softirq+0x1b5/0x7f6 [ 2258.059451][ T72] [ 2258.061094][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2258.061094][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.061094][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.061094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.061094][ T72] ip6_route_add+0x1c/0x140 [ 2258.061094][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2258.061094][ T72] inet6_addr_add+0x4f8/0xa40 [ 2258.061094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.061094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.061094][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.061094][ T72] netlink_unicast+0x449/0x710 [ 2258.061094][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.061094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.061094][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.061094][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.061094][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.061094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.061094][ T72] [ 2258.063102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2258.063102][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.063102][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.063102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.063102][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2258.063102][ T72] ipv6_add_addr+0x411/0x2000 [ 2258.063102][ T72] inet6_addr_add+0x30e/0xa40 [ 2258.063102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.063102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.063102][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.063102][ T72] netlink_unicast+0x449/0x710 [ 2258.063102][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.063102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.063102][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.063102][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.063102][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.063102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.063102][ T72] [ 2258.065090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2258.065090][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.065090][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.065090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.065090][ T72] ip6_route_add+0x1c/0x140 [ 2258.065090][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2258.065090][ T72] addrconf_add_dev+0xe2/0x170 [ 2258.065090][ T72] inet6_addr_add+0x12f/0xa40 [ 2258.065090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.065090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.065090][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.065090][ T72] netlink_unicast+0x449/0x710 [ 2258.065090][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.065090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.065090][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.065090][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.065090][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.065090][ T72] [ 2258.067058][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2258.067058][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2258.067058][ T72] ipv6_find_idev+0x102/0x170 [ 2258.067058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.067058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.067058][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.067058][ T72] netlink_unicast+0x449/0x710 [ 2258.067058][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.067058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.067058][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.067058][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.067058][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.067058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.067058][ T72] [ 2258.068598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2258.068598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2258.068598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2258.068598][ T72] ipv6_find_idev+0x102/0x170 [ 2258.068598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.068598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.068598][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.068598][ T72] netlink_unicast+0x449/0x710 [ 2258.068598][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.068598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.068598][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.068598][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.068598][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.068598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.068598][ T72] [ 2258.070304][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2258.070584][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2258.070584][ T72] dst_init+0x84/0x4a0 [ 2258.070584][ T72] dst_alloc+0x97/0x150 [ 2258.070584][ T72] ip6_dst_alloc+0x23/0x90 [ 2258.070584][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.070584][ T72] ip6_pol_route+0x56f/0x840 [ 2258.070584][ T72] fib6_rule_lookup+0x456/0x630 [ 2258.070584][ T72] ip6_route_input+0x59c/0xa50 [ 2258.070584][ T72] ipv6_rcv+0x397/0x810 [ 2258.070584][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2258.070584][ T72] process_backlog+0x101/0x620 [ 2258.070584][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2258.070584][ T72] net_rx_action+0x495/0xbe0 [ 2258.070584][ T72] __do_softirq+0x1b5/0x7f6 [ 2258.070584][ T72] [ 2258.072212][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2258.072212][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.072212][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.072212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.072212][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2258.072212][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2258.072212][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2258.072212][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2258.072212][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2258.072212][ T72] addrconf_dad_begin+0x310/0x670 [ 2258.072212][ T72] addrconf_dad_work+0x10b/0xab0 [ 2258.072212][ T72] process_one_work+0x84d/0x18a0 [ 2258.072212][ T72] worker_thread+0x587/0xd30 [ 2258.072212][ T72] kthread+0x28a/0x350 [ 2258.072212][ T72] ret_from_fork+0x31/0x70 [ 2258.072212][ T72] ret_from_fork_asm+0x1a/0x30 [ 2258.072212][ T72] [ 2258.074135][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2258.074135][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.074135][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.074135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.074135][ T72] ip6_route_add+0x1c/0x140 [ 2258.074135][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2258.074135][ T72] inet6_addr_add+0x4f8/0xa40 [ 2258.074135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.074135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.074135][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.074135][ T72] netlink_unicast+0x449/0x710 [ 2258.074135][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.074135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.074135][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.074135][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.074135][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.074135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.074135][ T72] [ 2258.076132][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2258.076132][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.076132][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.076132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.076132][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2258.076132][ T72] ipv6_add_addr+0x411/0x2000 [ 2258.076132][ T72] inet6_addr_add+0x30e/0xa40 [ 2258.076132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.076132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.076132][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.076132][ T72] netlink_unicast+0x449/0x710 [ 2258.076132][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.076132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.076132][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.076132][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.076132][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.076132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.076132][ T72] [ 2258.078128][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2258.078128][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.078128][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.078128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.078128][ T72] ip6_route_add+0x1c/0x140 [ 2258.078128][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2258.078128][ T72] addrconf_add_dev+0xe2/0x170 [ 2258.078128][ T72] inet6_addr_add+0x12f/0xa40 [ 2258.078128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.078128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.078128][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.078128][ T72] netlink_unicast+0x449/0x710 [ 2258.078128][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.078128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.078128][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.078128][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.078128][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.078128][ T72] [ 2258.080084][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2258.080084][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2258.080084][ T72] ipv6_find_idev+0x102/0x170 [ 2258.080084][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.080084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.080084][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.080084][ T72] netlink_unicast+0x449/0x710 [ 2258.080084][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.080084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.080084][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.080084][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.080084][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.080084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.080084][ T72] [ 2258.081616][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2258.081616][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2258.081616][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2258.081616][ T72] ipv6_find_idev+0x102/0x170 [ 2258.081616][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.081616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.081616][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.081616][ T72] netlink_unicast+0x449/0x710 [ 2258.081616][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.081616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.081616][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.081616][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.081616][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.081616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.081616][ T72] [ 2258.083407][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2258.083681][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2258.083681][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2258.083681][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2258.083681][ T72] fib6_nh_init+0xa22/0x1580 [ 2258.083681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.083681][ T72] ip6_route_add+0x1c/0x140 [ 2258.083681][ T72] inet6_rtm_newroute+0x104/0x110 [ 2258.083681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.083681][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.083681][ T72] netlink_unicast+0x449/0x710 [ 2258.083681][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.083681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.083681][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.083681][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.083681][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.083681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.083681][ T72] [ 2258.085786][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2258.085786][ T72] dst_init+0x84/0x4a0 [ 2258.085786][ T72] dst_alloc+0x97/0x150 [ 2258.085786][ T72] ip6_dst_alloc+0x23/0x90 [ 2258.085786][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.085786][ T72] ip6_pol_route+0x56f/0x840 [ 2258.085786][ T72] fib6_rule_lookup+0x456/0x630 [ 2258.085786][ T72] ip6_route_input+0x59c/0xa50 [ 2258.085786][ T72] ipv6_rcv+0x397/0x810 [ 2258.085786][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2258.085786][ T72] process_backlog+0x101/0x620 [ 2258.085786][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2258.085786][ T72] net_rx_action+0x495/0xbe0 [ 2258.085786][ T72] __do_softirq+0x1b5/0x7f6 [ 2258.085786][ T72] [ 2258.087659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2258.087659][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.087659][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.087659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.087659][ T72] ip6_route_add+0x1c/0x140 [ 2258.087659][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2258.087659][ T72] inet6_addr_add+0x4f8/0xa40 [ 2258.087659][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.087659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.087659][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.087659][ T72] netlink_unicast+0x449/0x710 [ 2258.087659][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.087659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.087659][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.087659][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.087659][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.087659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.087659][ T72] [ 2258.089831][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2258.089831][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.089831][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.089831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.089831][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2258.089831][ T72] ipv6_add_addr+0x411/0x2000 [ 2258.089831][ T72] inet6_addr_add+0x30e/0xa40 [ 2258.089831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.089831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.089831][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.089831][ T72] netlink_unicast+0x449/0x710 [ 2258.089831][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.089831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.089831][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.089831][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.089831][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.089831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.089831][ T72] [ 2258.092087][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2258.092087][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.092087][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.092087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.092087][ T72] ip6_route_add+0x1c/0x140 [ 2258.092087][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2258.092087][ T72] addrconf_add_dev+0xe2/0x170 [ 2258.092087][ T72] inet6_addr_add+0x12f/0xa40 [ 2258.092087][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.092087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.092087][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.092087][ T72] netlink_unicast+0x449/0x710 [ 2258.092087][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.092087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.092087][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.092087][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.092087][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.092087][ T72] [ 2258.094365][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2258.094365][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2258.094365][ T72] ipv6_find_idev+0x102/0x170 [ 2258.094365][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.094365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.094365][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.094365][ T72] netlink_unicast+0x449/0x710 [ 2258.094365][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.094365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.094365][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.094365][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.094365][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.094365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.094365][ T72] [ 2258.096073][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2258.096073][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2258.096073][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2258.096073][ T72] ipv6_find_idev+0x102/0x170 [ 2258.096073][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.096073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.096073][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.096073][ T72] netlink_unicast+0x449/0x710 [ 2258.096073][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.096073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.096073][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.096073][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.096073][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.096073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.096073][ T72] [ 2258.097938][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2258.098267][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2258.098267][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.098267][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.098267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.098267][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2258.098267][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2258.098267][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2258.098267][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2258.098267][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2258.098267][ T72] addrconf_dad_begin+0x310/0x670 [ 2258.098267][ T72] addrconf_dad_work+0x10b/0xab0 [ 2258.098267][ T72] process_one_work+0x84d/0x18a0 [ 2258.098267][ T72] worker_thread+0x587/0xd30 [ 2258.098267][ T72] kthread+0x28a/0x350 [ 2258.098267][ T72] ret_from_fork+0x31/0x70 [ 2258.098267][ T72] ret_from_fork_asm+0x1a/0x30 [ 2258.098267][ T72] [ 2258.100350][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2258.100350][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.100350][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.100350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.100350][ T72] ip6_route_add+0x1c/0x140 [ 2258.100350][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2258.100350][ T72] inet6_addr_add+0x4f8/0xa40 [ 2258.100350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.100350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.100350][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.100350][ T72] netlink_unicast+0x449/0x710 [ 2258.100350][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.100350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.100350][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.100350][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.100350][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.100350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.100350][ T72] [ 2258.102571][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2258.102571][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.102571][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.102571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.102571][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2258.102571][ T72] ipv6_add_addr+0x411/0x2000 [ 2258.102571][ T72] inet6_addr_add+0x30e/0xa40 [ 2258.102571][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.102571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.102571][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.102571][ T72] netlink_unicast+0x449/0x710 [ 2258.102571][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.102571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.102571][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.102571][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.102571][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.102571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.102571][ T72] [ 2258.104860][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2258.104860][ T72] netdev_get_by_index+0x5e/0x80 [ 2258.104860][ T72] fib6_nh_init+0x3d8/0x1580 [ 2258.104860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2258.104860][ T72] ip6_route_add+0x1c/0x140 [ 2258.104860][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2258.104860][ T72] addrconf_add_dev+0xe2/0x170 [ 2258.104860][ T72] inet6_addr_add+0x12f/0xa40 [ 2258.104860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.104860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.104860][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.104860][ T72] netlink_unicast+0x449/0x710 [ 2258.104860][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.104860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.104860][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.104860][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.104860][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.104860][ T72] [ 2258.107068][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2258.107068][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2258.107068][ T72] ipv6_find_idev+0x102/0x170 [ 2258.107068][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.107068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.107068][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.107068][ T72] netlink_unicast+0x449/0x710 [ 2258.107068][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.107068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.107068][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.107068][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.107068][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.107068][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.107068][ T72] [ 2258.108802][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2258.108802][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2258.108802][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2258.108802][ T72] ipv6_find_idev+0x102/0x170 [ 2258.108802][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.108802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.108802][ T72] netlink_rcv_skb+0x130/0x360 [ 2258.108802][ T72] netlink_unicast+0x449/0x710 [ 2258.108802][ T72] netlink_sendmsg+0x723/0xbe0 [ 2258.108802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2258.108802][ T72] ___sys_sendmsg+0xee/0x170 [ 2258.108802][ T72] __sys_sendmsg+0xcd/0x170 [ 2258.108802][ T72] do_syscall_64+0xc6/0x1e0 [ 2258.108802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.108802][ T72] [ 2268.352994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2268.353533][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2268.353533][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2268.353533][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2268.353533][ T72] fib6_nh_init+0xa22/0x1580 [ 2268.353533][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.353533][ T72] ip6_route_add+0x1c/0x140 [ 2268.353533][ T72] inet6_rtm_newroute+0x104/0x110 [ 2268.353533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.353533][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.353533][ T72] netlink_unicast+0x449/0x710 [ 2268.353533][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.353533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.353533][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.353533][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.353533][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.353533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.353533][ T72] [ 2268.355403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2268.355403][ T72] dst_init+0x84/0x4a0 [ 2268.355403][ T72] dst_alloc+0x97/0x150 [ 2268.355403][ T72] ip6_dst_alloc+0x23/0x90 [ 2268.355403][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.355403][ T72] ip6_pol_route+0x56f/0x840 [ 2268.355403][ T72] fib6_rule_lookup+0x456/0x630 [ 2268.355403][ T72] ip6_route_input+0x59c/0xa50 [ 2268.355403][ T72] ipv6_rcv+0x397/0x810 [ 2268.355403][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2268.355403][ T72] process_backlog+0x101/0x620 [ 2268.355403][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2268.355403][ T72] net_rx_action+0x495/0xbe0 [ 2268.355403][ T72] __do_softirq+0x1b5/0x7f6 [ 2268.355403][ T72] [ 2268.357021][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2268.357021][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.357021][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.357021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.357021][ T72] ip6_route_add+0x1c/0x140 [ 2268.357021][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2268.357021][ T72] inet6_addr_add+0x4f8/0xa40 [ 2268.357021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.357021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.357021][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.357021][ T72] netlink_unicast+0x449/0x710 [ 2268.357021][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.357021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.357021][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.357021][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.357021][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.357021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.357021][ T72] [ 2268.359010][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2268.359010][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.359010][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.359010][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.359010][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2268.359010][ T72] ipv6_add_addr+0x411/0x2000 [ 2268.359010][ T72] inet6_addr_add+0x30e/0xa40 [ 2268.359010][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.359010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.359010][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.359010][ T72] netlink_unicast+0x449/0x710 [ 2268.359010][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.359010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.359010][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.359010][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.359010][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.359010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.359010][ T72] [ 2268.360987][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2268.360987][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.360987][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.360987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.360987][ T72] ip6_route_add+0x1c/0x140 [ 2268.360987][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.360987][ T72] addrconf_add_dev+0xe2/0x170 [ 2268.360987][ T72] inet6_addr_add+0x12f/0xa40 [ 2268.360987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.360987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.360987][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.360987][ T72] netlink_unicast+0x449/0x710 [ 2268.360987][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.360987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.360987][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.360987][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.360987][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.360987][ T72] [ 2268.363441][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2268.363441][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2268.363441][ T72] ipv6_find_idev+0x102/0x170 [ 2268.363441][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.363441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.363441][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.363441][ T72] netlink_unicast+0x449/0x710 [ 2268.363441][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.363441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.363441][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.363441][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.363441][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.363441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.363441][ T72] [ 2268.364928][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2268.364928][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2268.364928][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2268.364928][ T72] ipv6_find_idev+0x102/0x170 [ 2268.364928][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.364928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.364928][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.364928][ T72] netlink_unicast+0x449/0x710 [ 2268.364928][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.364928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.364928][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.364928][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.364928][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.364928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.364928][ T72] [ 2268.366606][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2268.366895][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2268.366895][ T72] dst_init+0x84/0x4a0 [ 2268.366895][ T72] dst_alloc+0x97/0x150 [ 2268.366895][ T72] ip6_dst_alloc+0x23/0x90 [ 2268.366895][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.366895][ T72] ip6_pol_route+0x56f/0x840 [ 2268.366895][ T72] fib6_rule_lookup+0x456/0x630 [ 2268.366895][ T72] ip6_route_input+0x59c/0xa50 [ 2268.366895][ T72] ipv6_rcv+0x397/0x810 [ 2268.366895][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2268.366895][ T72] process_backlog+0x101/0x620 [ 2268.366895][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2268.366895][ T72] net_rx_action+0x495/0xbe0 [ 2268.366895][ T72] __do_softirq+0x1b5/0x7f6 [ 2268.366895][ T72] [ 2268.368557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2268.368557][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.368557][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.368557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.368557][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2268.368557][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2268.368557][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2268.368557][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2268.368557][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2268.368557][ T72] addrconf_dad_begin+0x310/0x670 [ 2268.368557][ T72] addrconf_dad_work+0x10b/0xab0 [ 2268.368557][ T72] process_one_work+0x84d/0x18a0 [ 2268.368557][ T72] worker_thread+0x587/0xd30 [ 2268.368557][ T72] kthread+0x28a/0x350 [ 2268.368557][ T72] ret_from_fork+0x31/0x70 [ 2268.368557][ T72] ret_from_fork_asm+0x1a/0x30 [ 2268.368557][ T72] [ 2268.370485][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2268.370485][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.370485][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.370485][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.370485][ T72] ip6_route_add+0x1c/0x140 [ 2268.370485][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2268.370485][ T72] inet6_addr_add+0x4f8/0xa40 [ 2268.370485][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.370485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.370485][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.370485][ T72] netlink_unicast+0x449/0x710 [ 2268.370485][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.370485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.370485][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.370485][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.370485][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.370485][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.370485][ T72] [ 2268.372472][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2268.372472][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.372472][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.372472][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.372472][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2268.372472][ T72] ipv6_add_addr+0x411/0x2000 [ 2268.372472][ T72] inet6_addr_add+0x30e/0xa40 [ 2268.372472][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.372472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.372472][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.372472][ T72] netlink_unicast+0x449/0x710 [ 2268.372472][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.372472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.372472][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.372472][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.372472][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.372472][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.372472][ T72] [ 2268.374468][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2268.374468][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.374468][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.374468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.374468][ T72] ip6_route_add+0x1c/0x140 [ 2268.374468][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.374468][ T72] addrconf_add_dev+0xe2/0x170 [ 2268.374468][ T72] inet6_addr_add+0x12f/0xa40 [ 2268.374468][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.374468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.374468][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.374468][ T72] netlink_unicast+0x449/0x710 [ 2268.374468][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.374468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.374468][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.374468][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.374468][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.374468][ T72] [ 2268.376817][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2268.376817][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2268.376817][ T72] ipv6_find_idev+0x102/0x170 [ 2268.376817][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.376817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.376817][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.376817][ T72] netlink_unicast+0x449/0x710 [ 2268.376817][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.376817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.376817][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.376817][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.376817][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.376817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.376817][ T72] [ 2268.378356][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2268.378356][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2268.378356][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2268.378356][ T72] ipv6_find_idev+0x102/0x170 [ 2268.378356][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.378356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.378356][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.378356][ T72] netlink_unicast+0x449/0x710 [ 2268.378356][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.378356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.378356][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.378356][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.378356][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.378356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.378356][ T72] [ 2268.380158][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2268.380431][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2268.380431][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2268.380431][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2268.380431][ T72] fib6_nh_init+0xa22/0x1580 [ 2268.380431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.380431][ T72] ip6_route_add+0x1c/0x140 [ 2268.380431][ T72] inet6_rtm_newroute+0x104/0x110 [ 2268.380431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.380431][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.380431][ T72] netlink_unicast+0x449/0x710 [ 2268.380431][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.380431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.380431][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.380431][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.380431][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.380431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.380431][ T72] [ 2268.382534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2268.382534][ T72] dst_init+0x84/0x4a0 [ 2268.382534][ T72] dst_alloc+0x97/0x150 [ 2268.382534][ T72] ip6_dst_alloc+0x23/0x90 [ 2268.382534][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.382534][ T72] ip6_pol_route+0x56f/0x840 [ 2268.382534][ T72] fib6_rule_lookup+0x456/0x630 [ 2268.382534][ T72] ip6_route_input+0x59c/0xa50 [ 2268.382534][ T72] ipv6_rcv+0x397/0x810 [ 2268.382534][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2268.382534][ T72] process_backlog+0x101/0x620 [ 2268.382534][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2268.382534][ T72] net_rx_action+0x495/0xbe0 [ 2268.382534][ T72] __do_softirq+0x1b5/0x7f6 [ 2268.382534][ T72] [ 2268.384412][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2268.384412][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.384412][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.384412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.384412][ T72] ip6_route_add+0x1c/0x140 [ 2268.384412][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2268.384412][ T72] inet6_addr_add+0x4f8/0xa40 [ 2268.384412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.384412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.384412][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.384412][ T72] netlink_unicast+0x449/0x710 [ 2268.384412][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.384412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.384412][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.384412][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.384412][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.384412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.384412][ T72] [ 2268.386586][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2268.386586][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.386586][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.386586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.386586][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2268.386586][ T72] ipv6_add_addr+0x411/0x2000 [ 2268.386586][ T72] inet6_addr_add+0x30e/0xa40 [ 2268.386586][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.386586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.386586][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.386586][ T72] netlink_unicast+0x449/0x710 [ 2268.386586][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.386586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.386586][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.386586][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.386586][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.386586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.386586][ T72] [ 2268.388778][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2268.388778][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.388778][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.388778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.388778][ T72] ip6_route_add+0x1c/0x140 [ 2268.388778][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.388778][ T72] addrconf_add_dev+0xe2/0x170 [ 2268.388778][ T72] inet6_addr_add+0x12f/0xa40 [ 2268.388778][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.388778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.388778][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.388778][ T72] netlink_unicast+0x449/0x710 [ 2268.388778][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.388778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.388778][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.388778][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.388778][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.388778][ T72] [ 2268.391031][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2268.391031][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2268.391031][ T72] ipv6_find_idev+0x102/0x170 [ 2268.391031][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.391031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.391031][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.391031][ T72] netlink_unicast+0x449/0x710 [ 2268.391031][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.391031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.391031][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.391031][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.391031][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.391031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.391031][ T72] [ 2268.392752][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2268.392752][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2268.392752][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2268.392752][ T72] ipv6_find_idev+0x102/0x170 [ 2268.392752][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.392752][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.392752][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.392752][ T72] netlink_unicast+0x449/0x710 [ 2268.392752][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.392752][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.392752][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.392752][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.392752][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.392752][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.392752][ T72] [ 2268.394627][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2268.395398][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2268.395398][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.395398][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.395398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.395398][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2268.395398][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2268.395398][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2268.395398][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2268.395398][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2268.395398][ T72] addrconf_dad_begin+0x310/0x670 [ 2268.395398][ T72] addrconf_dad_work+0x10b/0xab0 [ 2268.395398][ T72] process_one_work+0x84d/0x18a0 [ 2268.395398][ T72] worker_thread+0x587/0xd30 [ 2268.395398][ T72] kthread+0x28a/0x350 [ 2268.395398][ T72] ret_from_fork+0x31/0x70 [ 2268.395398][ T72] ret_from_fork_asm+0x1a/0x30 [ 2268.395398][ T72] [ 2268.397295][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2268.397295][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.397295][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.397295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.397295][ T72] ip6_route_add+0x1c/0x140 [ 2268.397295][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2268.397295][ T72] inet6_addr_add+0x4f8/0xa40 [ 2268.397295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.397295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.397295][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.397295][ T72] netlink_unicast+0x449/0x710 [ 2268.397295][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.397295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.397295][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.397295][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.397295][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.397295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.397295][ T72] [ 2268.399332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2268.399332][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.399332][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.399332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.399332][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2268.399332][ T72] ipv6_add_addr+0x411/0x2000 [ 2268.399332][ T72] inet6_addr_add+0x30e/0xa40 [ 2268.399332][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.399332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.399332][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.399332][ T72] netlink_unicast+0x449/0x710 [ 2268.399332][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.399332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.399332][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.399332][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.399332][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.399332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.399332][ T72] [ 2268.401572][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2268.401572][ T72] netdev_get_by_index+0x5e/0x80 [ 2268.401572][ T72] fib6_nh_init+0x3d8/0x1580 [ 2268.401572][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2268.401572][ T72] ip6_route_add+0x1c/0x140 [ 2268.401572][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.401572][ T72] addrconf_add_dev+0xe2/0x170 [ 2268.401572][ T72] inet6_addr_add+0x12f/0xa40 [ 2268.401572][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.401572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.401572][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.401572][ T72] netlink_unicast+0x449/0x710 [ 2268.401572][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.401572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.401572][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.401572][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.401572][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.401572][ T72] [ 2268.403838][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2268.403838][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2268.403838][ T72] ipv6_find_idev+0x102/0x170 [ 2268.403838][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.403838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.403838][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.403838][ T72] netlink_unicast+0x449/0x710 [ 2268.403838][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.403838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.403838][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.403838][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.403838][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.403838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.403838][ T72] [ 2268.405555][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2268.405555][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2268.405555][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2268.405555][ T72] ipv6_find_idev+0x102/0x170 [ 2268.405555][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.405555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.405555][ T72] netlink_rcv_skb+0x130/0x360 [ 2268.405555][ T72] netlink_unicast+0x449/0x710 [ 2268.405555][ T72] netlink_sendmsg+0x723/0xbe0 [ 2268.405555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2268.405555][ T72] ___sys_sendmsg+0xee/0x170 [ 2268.405555][ T72] __sys_sendmsg+0xcd/0x170 [ 2268.405555][ T72] do_syscall_64+0xc6/0x1e0 [ 2268.405555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.405555][ T72] [ 2278.648971][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2278.649555][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2278.649555][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2278.649555][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2278.649555][ T72] fib6_nh_init+0xa22/0x1580 [ 2278.649555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.649555][ T72] ip6_route_add+0x1c/0x140 [ 2278.649555][ T72] inet6_rtm_newroute+0x104/0x110 [ 2278.649555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.649555][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.649555][ T72] netlink_unicast+0x449/0x710 [ 2278.649555][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.649555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.649555][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.649555][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.649555][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.649555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.649555][ T72] [ 2278.651424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2278.651424][ T72] dst_init+0x84/0x4a0 [ 2278.651424][ T72] dst_alloc+0x97/0x150 [ 2278.651424][ T72] ip6_dst_alloc+0x23/0x90 [ 2278.651424][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.651424][ T72] ip6_pol_route+0x56f/0x840 [ 2278.651424][ T72] fib6_rule_lookup+0x456/0x630 [ 2278.651424][ T72] ip6_route_input+0x59c/0xa50 [ 2278.651424][ T72] ipv6_rcv+0x397/0x810 [ 2278.651424][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2278.651424][ T72] process_backlog+0x101/0x620 [ 2278.651424][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2278.651424][ T72] net_rx_action+0x495/0xbe0 [ 2278.651424][ T72] __do_softirq+0x1b5/0x7f6 [ 2278.651424][ T72] [ 2278.653006][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2278.653006][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.653006][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.653006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.653006][ T72] ip6_route_add+0x1c/0x140 [ 2278.653006][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2278.653006][ T72] inet6_addr_add+0x4f8/0xa40 [ 2278.653006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.653006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.653006][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.653006][ T72] netlink_unicast+0x449/0x710 [ 2278.653006][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.653006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.653006][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.653006][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.653006][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.653006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.653006][ T72] [ 2278.654999][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2278.654999][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.654999][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.654999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.654999][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2278.654999][ T72] ipv6_add_addr+0x411/0x2000 [ 2278.654999][ T72] inet6_addr_add+0x30e/0xa40 [ 2278.654999][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.654999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.654999][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.654999][ T72] netlink_unicast+0x449/0x710 [ 2278.654999][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.654999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.654999][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.654999][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.654999][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.654999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.654999][ T72] [ 2278.656932][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2278.656932][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.656932][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.656932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.656932][ T72] ip6_route_add+0x1c/0x140 [ 2278.656932][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.656932][ T72] addrconf_add_dev+0xe2/0x170 [ 2278.656932][ T72] inet6_addr_add+0x12f/0xa40 [ 2278.656932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.656932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.656932][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.656932][ T72] netlink_unicast+0x449/0x710 [ 2278.656932][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.656932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.656932][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.656932][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.656932][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.656932][ T72] [ 2278.658899][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2278.658899][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2278.658899][ T72] ipv6_find_idev+0x102/0x170 [ 2278.658899][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.658899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.658899][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.658899][ T72] netlink_unicast+0x449/0x710 [ 2278.658899][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.658899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.658899][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.658899][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.658899][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.658899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.658899][ T72] [ 2278.660431][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2278.660431][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2278.660431][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2278.660431][ T72] ipv6_find_idev+0x102/0x170 [ 2278.660431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.660431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.660431][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.660431][ T72] netlink_unicast+0x449/0x710 [ 2278.660431][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.660431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.660431][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.660431][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.660431][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.660431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.660431][ T72] [ 2278.662073][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2278.662360][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2278.662360][ T72] dst_init+0x84/0x4a0 [ 2278.662360][ T72] dst_alloc+0x97/0x150 [ 2278.662360][ T72] ip6_dst_alloc+0x23/0x90 [ 2278.662360][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.662360][ T72] ip6_pol_route+0x56f/0x840 [ 2278.662360][ T72] fib6_rule_lookup+0x456/0x630 [ 2278.662360][ T72] ip6_route_input+0x59c/0xa50 [ 2278.662360][ T72] ipv6_rcv+0x397/0x810 [ 2278.662360][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2278.662360][ T72] process_backlog+0x101/0x620 [ 2278.662360][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2278.662360][ T72] net_rx_action+0x495/0xbe0 [ 2278.662360][ T72] __do_softirq+0x1b5/0x7f6 [ 2278.662360][ T72] [ 2278.664004][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2278.664004][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.664004][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.664004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.664004][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2278.664004][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2278.664004][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2278.664004][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2278.664004][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2278.664004][ T72] addrconf_dad_begin+0x310/0x670 [ 2278.664004][ T72] addrconf_dad_work+0x10b/0xab0 [ 2278.664004][ T72] process_one_work+0x84d/0x18a0 [ 2278.664004][ T72] worker_thread+0x587/0xd30 [ 2278.664004][ T72] kthread+0x28a/0x350 [ 2278.664004][ T72] ret_from_fork+0x31/0x70 [ 2278.664004][ T72] ret_from_fork_asm+0x1a/0x30 [ 2278.664004][ T72] [ 2278.665854][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2278.665854][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.665854][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.665854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.665854][ T72] ip6_route_add+0x1c/0x140 [ 2278.665854][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2278.665854][ T72] inet6_addr_add+0x4f8/0xa40 [ 2278.665854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.665854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.665854][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.665854][ T72] netlink_unicast+0x449/0x710 [ 2278.665854][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.665854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.665854][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.665854][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.665854][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.665854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.665854][ T72] [ 2278.667777][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2278.667777][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.667777][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.667777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.667777][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2278.667777][ T72] ipv6_add_addr+0x411/0x2000 [ 2278.667777][ T72] inet6_addr_add+0x30e/0xa40 [ 2278.667777][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.667777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.667777][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.667777][ T72] netlink_unicast+0x449/0x710 [ 2278.667777][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.667777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.667777][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.667777][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.667777][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.667777][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.667777][ T72] [ 2278.669764][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2278.669764][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.669764][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.669764][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.669764][ T72] ip6_route_add+0x1c/0x140 [ 2278.669764][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.669764][ T72] addrconf_add_dev+0xe2/0x170 [ 2278.669764][ T72] inet6_addr_add+0x12f/0xa40 [ 2278.669764][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.669764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.669764][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.669764][ T72] netlink_unicast+0x449/0x710 [ 2278.669764][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.669764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.669764][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.669764][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.669764][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.669764][ T72] [ 2278.671697][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2278.671697][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2278.671697][ T72] ipv6_find_idev+0x102/0x170 [ 2278.671697][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.671697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.671697][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.671697][ T72] netlink_unicast+0x449/0x710 [ 2278.671697][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.671697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.671697][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.671697][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.671697][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.671697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.671697][ T72] [ 2278.673210][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2278.673210][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2278.673210][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2278.673210][ T72] ipv6_find_idev+0x102/0x170 [ 2278.673210][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.673210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.673210][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.673210][ T72] netlink_unicast+0x449/0x710 [ 2278.673210][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.673210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.673210][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.673210][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.673210][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.673210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.673210][ T72] [ 2278.675032][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2278.675300][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2278.675300][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2278.675300][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2278.675300][ T72] fib6_nh_init+0xa22/0x1580 [ 2278.675300][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.675300][ T72] ip6_route_add+0x1c/0x140 [ 2278.675300][ T72] inet6_rtm_newroute+0x104/0x110 [ 2278.675300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.675300][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.675300][ T72] netlink_unicast+0x449/0x710 [ 2278.675300][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.675300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.675300][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.675300][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.675300][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.675300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.675300][ T72] [ 2278.677411][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2278.677411][ T72] dst_init+0x84/0x4a0 [ 2278.677411][ T72] dst_alloc+0x97/0x150 [ 2278.677411][ T72] ip6_dst_alloc+0x23/0x90 [ 2278.677411][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.677411][ T72] ip6_pol_route+0x56f/0x840 [ 2278.677411][ T72] fib6_rule_lookup+0x456/0x630 [ 2278.677411][ T72] ip6_route_input+0x59c/0xa50 [ 2278.677411][ T72] ipv6_rcv+0x397/0x810 [ 2278.677411][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2278.677411][ T72] process_backlog+0x101/0x620 [ 2278.677411][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2278.677411][ T72] net_rx_action+0x495/0xbe0 [ 2278.677411][ T72] __do_softirq+0x1b5/0x7f6 [ 2278.677411][ T72] [ 2278.679273][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2278.679273][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.679273][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.679273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.679273][ T72] ip6_route_add+0x1c/0x140 [ 2278.679273][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2278.679273][ T72] inet6_addr_add+0x4f8/0xa40 [ 2278.679273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.679273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.679273][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.679273][ T72] netlink_unicast+0x449/0x710 [ 2278.679273][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.679273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.679273][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.679273][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.679273][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.679273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.679273][ T72] [ 2278.681425][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2278.681425][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.681425][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.681425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.681425][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2278.681425][ T72] ipv6_add_addr+0x411/0x2000 [ 2278.681425][ T72] inet6_addr_add+0x30e/0xa40 [ 2278.681425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.681425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.681425][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.681425][ T72] netlink_unicast+0x449/0x710 [ 2278.681425][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.681425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.681425][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.681425][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.681425][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.681425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.681425][ T72] [ 2278.683593][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2278.683593][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.683593][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.683593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.683593][ T72] ip6_route_add+0x1c/0x140 [ 2278.683593][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.683593][ T72] addrconf_add_dev+0xe2/0x170 [ 2278.683593][ T72] inet6_addr_add+0x12f/0xa40 [ 2278.683593][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.683593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.683593][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.683593][ T72] netlink_unicast+0x449/0x710 [ 2278.683593][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.683593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.683593][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.683593][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.683593][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.683593][ T72] [ 2278.685854][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2278.685854][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2278.685854][ T72] ipv6_find_idev+0x102/0x170 [ 2278.685854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.685854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.685854][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.685854][ T72] netlink_unicast+0x449/0x710 [ 2278.685854][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.685854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.685854][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.685854][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.685854][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.685854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.685854][ T72] [ 2278.687562][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2278.687562][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2278.687562][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2278.687562][ T72] ipv6_find_idev+0x102/0x170 [ 2278.687562][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.687562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.687562][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.687562][ T72] netlink_unicast+0x449/0x710 [ 2278.687562][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.687562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.687562][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.687562][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.687562][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.687562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.687562][ T72] [ 2278.689422][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2278.689753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2278.689753][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.689753][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.689753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.689753][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2278.689753][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2278.689753][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2278.689753][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2278.689753][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2278.689753][ T72] addrconf_dad_begin+0x310/0x670 [ 2278.689753][ T72] addrconf_dad_work+0x10b/0xab0 [ 2278.689753][ T72] process_one_work+0x84d/0x18a0 [ 2278.689753][ T72] worker_thread+0x587/0xd30 [ 2278.689753][ T72] kthread+0x28a/0x350 [ 2278.689753][ T72] ret_from_fork+0x31/0x70 [ 2278.689753][ T72] ret_from_fork_asm+0x1a/0x30 [ 2278.689753][ T72] [ 2278.691829][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2278.691829][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.691829][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.691829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.691829][ T72] ip6_route_add+0x1c/0x140 [ 2278.691829][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2278.691829][ T72] inet6_addr_add+0x4f8/0xa40 [ 2278.691829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.691829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.691829][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.691829][ T72] netlink_unicast+0x449/0x710 [ 2278.691829][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.691829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.691829][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.691829][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.691829][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.691829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.691829][ T72] [ 2278.694077][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2278.694077][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.694077][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.694077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.694077][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2278.694077][ T72] ipv6_add_addr+0x411/0x2000 [ 2278.694077][ T72] inet6_addr_add+0x30e/0xa40 [ 2278.694077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.694077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.694077][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.694077][ T72] netlink_unicast+0x449/0x710 [ 2278.694077][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.694077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.694077][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.694077][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.694077][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.694077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.694077][ T72] [ 2278.696371][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2278.696371][ T72] netdev_get_by_index+0x5e/0x80 [ 2278.696371][ T72] fib6_nh_init+0x3d8/0x1580 [ 2278.696371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2278.696371][ T72] ip6_route_add+0x1c/0x140 [ 2278.696371][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.696371][ T72] addrconf_add_dev+0xe2/0x170 [ 2278.696371][ T72] inet6_addr_add+0x12f/0xa40 [ 2278.696371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.696371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.696371][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.696371][ T72] netlink_unicast+0x449/0x710 [ 2278.696371][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.696371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.696371][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.696371][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.696371][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.696371][ T72] [ 2278.698516][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2278.698516][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2278.698516][ T72] ipv6_find_idev+0x102/0x170 [ 2278.698516][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.698516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.698516][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.698516][ T72] netlink_unicast+0x449/0x710 [ 2278.698516][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.698516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.698516][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.698516][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.698516][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.698516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.698516][ T72] [ 2278.700206][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2278.700206][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2278.700206][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2278.700206][ T72] ipv6_find_idev+0x102/0x170 [ 2278.700206][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.700206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.700206][ T72] netlink_rcv_skb+0x130/0x360 [ 2278.700206][ T72] netlink_unicast+0x449/0x710 [ 2278.700206][ T72] netlink_sendmsg+0x723/0xbe0 [ 2278.700206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2278.700206][ T72] ___sys_sendmsg+0xee/0x170 [ 2278.700206][ T72] __sys_sendmsg+0xcd/0x170 [ 2278.700206][ T72] do_syscall_64+0xc6/0x1e0 [ 2278.700206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.700206][ T72] [ 2288.944970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2288.945542][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2288.945542][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2288.945542][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2288.945542][ T72] fib6_nh_init+0xa22/0x1580 [ 2288.945542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.945542][ T72] ip6_route_add+0x1c/0x140 [ 2288.945542][ T72] inet6_rtm_newroute+0x104/0x110 [ 2288.945542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.945542][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.945542][ T72] netlink_unicast+0x449/0x710 [ 2288.945542][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.945542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.945542][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.945542][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.945542][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.945542][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.945542][ T72] [ 2288.947406][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2288.947406][ T72] dst_init+0x84/0x4a0 [ 2288.947406][ T72] dst_alloc+0x97/0x150 [ 2288.947406][ T72] ip6_dst_alloc+0x23/0x90 [ 2288.947406][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2288.947406][ T72] ip6_pol_route+0x56f/0x840 [ 2288.947406][ T72] fib6_rule_lookup+0x456/0x630 [ 2288.947406][ T72] ip6_route_input+0x59c/0xa50 [ 2288.947406][ T72] ipv6_rcv+0x397/0x810 [ 2288.947406][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2288.947406][ T72] process_backlog+0x101/0x620 [ 2288.947406][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2288.947406][ T72] net_rx_action+0x495/0xbe0 [ 2288.947406][ T72] __do_softirq+0x1b5/0x7f6 [ 2288.947406][ T72] [ 2288.949018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2288.949018][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.949018][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.949018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.949018][ T72] ip6_route_add+0x1c/0x140 [ 2288.949018][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2288.949018][ T72] inet6_addr_add+0x4f8/0xa40 [ 2288.949018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.949018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.949018][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.949018][ T72] netlink_unicast+0x449/0x710 [ 2288.949018][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.949018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.949018][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.949018][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.949018][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.949018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.949018][ T72] [ 2288.951005][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2288.951005][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.951005][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.951005][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.951005][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2288.951005][ T72] ipv6_add_addr+0x411/0x2000 [ 2288.951005][ T72] inet6_addr_add+0x30e/0xa40 [ 2288.951005][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.951005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.951005][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.951005][ T72] netlink_unicast+0x449/0x710 [ 2288.951005][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.951005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.951005][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.951005][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.951005][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.951005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.951005][ T72] [ 2288.953016][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2288.953016][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.953016][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.953016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.953016][ T72] ip6_route_add+0x1c/0x140 [ 2288.953016][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.953016][ T72] addrconf_add_dev+0xe2/0x170 [ 2288.953016][ T72] inet6_addr_add+0x12f/0xa40 [ 2288.953016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.953016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.953016][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.953016][ T72] netlink_unicast+0x449/0x710 [ 2288.953016][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.953016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.953016][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.953016][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.953016][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.953016][ T72] [ 2288.954972][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2288.954972][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2288.954972][ T72] ipv6_find_idev+0x102/0x170 [ 2288.954972][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.954972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.954972][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.954972][ T72] netlink_unicast+0x449/0x710 [ 2288.954972][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.954972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.954972][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.954972][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.954972][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.954972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.954972][ T72] [ 2288.956500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2288.956500][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2288.956500][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2288.956500][ T72] ipv6_find_idev+0x102/0x170 [ 2288.956500][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.956500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.956500][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.956500][ T72] netlink_unicast+0x449/0x710 [ 2288.956500][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.956500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.956500][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.956500][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.956500][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.956500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.956500][ T72] [ 2288.958228][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2288.958504][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2288.958504][ T72] dst_init+0x84/0x4a0 [ 2288.958504][ T72] dst_alloc+0x97/0x150 [ 2288.958504][ T72] ip6_dst_alloc+0x23/0x90 [ 2288.958504][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2288.958504][ T72] ip6_pol_route+0x56f/0x840 [ 2288.958504][ T72] fib6_rule_lookup+0x456/0x630 [ 2288.958504][ T72] ip6_route_input+0x59c/0xa50 [ 2288.958504][ T72] ipv6_rcv+0x397/0x810 [ 2288.958504][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2288.958504][ T72] process_backlog+0x101/0x620 [ 2288.958504][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2288.958504][ T72] net_rx_action+0x495/0xbe0 [ 2288.958504][ T72] __do_softirq+0x1b5/0x7f6 [ 2288.958504][ T72] [ 2288.960136][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2288.960136][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.960136][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.960136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.960136][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2288.960136][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2288.960136][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2288.960136][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2288.960136][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2288.960136][ T72] addrconf_dad_begin+0x310/0x670 [ 2288.960136][ T72] addrconf_dad_work+0x10b/0xab0 [ 2288.960136][ T72] process_one_work+0x84d/0x18a0 [ 2288.960136][ T72] worker_thread+0x587/0xd30 [ 2288.960136][ T72] kthread+0x28a/0x350 [ 2288.960136][ T72] ret_from_fork+0x31/0x70 [ 2288.960136][ T72] ret_from_fork_asm+0x1a/0x30 [ 2288.960136][ T72] [ 2288.962064][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2288.962064][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.962064][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.962064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.962064][ T72] ip6_route_add+0x1c/0x140 [ 2288.962064][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2288.962064][ T72] inet6_addr_add+0x4f8/0xa40 [ 2288.962064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.962064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.962064][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.962064][ T72] netlink_unicast+0x449/0x710 [ 2288.962064][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.962064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.962064][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.962064][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.962064][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.962064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.962064][ T72] [ 2288.964055][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2288.964055][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.964055][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.964055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.964055][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2288.964055][ T72] ipv6_add_addr+0x411/0x2000 [ 2288.964055][ T72] inet6_addr_add+0x30e/0xa40 [ 2288.964055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.964055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.964055][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.964055][ T72] netlink_unicast+0x449/0x710 [ 2288.964055][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.964055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.964055][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.964055][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.964055][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.964055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.964055][ T72] [ 2288.966051][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2288.966051][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.966051][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.966051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.966051][ T72] ip6_route_add+0x1c/0x140 [ 2288.966051][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.966051][ T72] addrconf_add_dev+0xe2/0x170 [ 2288.966051][ T72] inet6_addr_add+0x12f/0xa40 [ 2288.966051][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.966051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.966051][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.966051][ T72] netlink_unicast+0x449/0x710 [ 2288.966051][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.966051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.966051][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.966051][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.966051][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.966051][ T72] [ 2288.968003][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2288.968003][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2288.968003][ T72] ipv6_find_idev+0x102/0x170 [ 2288.968003][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.968003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.968003][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.968003][ T72] netlink_unicast+0x449/0x710 [ 2288.968003][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.968003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.968003][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.968003][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.968003][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.968003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.968003][ T72] [ 2288.969524][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2288.969524][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2288.969524][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2288.969524][ T72] ipv6_find_idev+0x102/0x170 [ 2288.969524][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.969524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.969524][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.969524][ T72] netlink_unicast+0x449/0x710 [ 2288.969524][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.969524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.969524][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.969524][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.969524][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.969524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.969524][ T72] [ 2288.971302][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2288.971584][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2288.971584][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2288.971584][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2288.971584][ T72] fib6_nh_init+0xa22/0x1580 [ 2288.971584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.971584][ T72] ip6_route_add+0x1c/0x140 [ 2288.971584][ T72] inet6_rtm_newroute+0x104/0x110 [ 2288.971584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.971584][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.971584][ T72] netlink_unicast+0x449/0x710 [ 2288.971584][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.971584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.971584][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.971584][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.971584][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.971584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.971584][ T72] [ 2288.973674][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2288.973674][ T72] dst_init+0x84/0x4a0 [ 2288.973674][ T72] dst_alloc+0x97/0x150 [ 2288.973674][ T72] ip6_dst_alloc+0x23/0x90 [ 2288.973674][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2288.973674][ T72] ip6_pol_route+0x56f/0x840 [ 2288.973674][ T72] fib6_rule_lookup+0x456/0x630 [ 2288.973674][ T72] ip6_route_input+0x59c/0xa50 [ 2288.973674][ T72] ipv6_rcv+0x397/0x810 [ 2288.973674][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2288.973674][ T72] process_backlog+0x101/0x620 [ 2288.973674][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2288.973674][ T72] net_rx_action+0x495/0xbe0 [ 2288.973674][ T72] __do_softirq+0x1b5/0x7f6 [ 2288.973674][ T72] [ 2288.975518][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2288.975518][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.975518][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.975518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.975518][ T72] ip6_route_add+0x1c/0x140 [ 2288.975518][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2288.975518][ T72] inet6_addr_add+0x4f8/0xa40 [ 2288.975518][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.975518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.975518][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.975518][ T72] netlink_unicast+0x449/0x710 [ 2288.975518][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.975518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.975518][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.975518][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.975518][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.975518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.975518][ T72] [ 2288.977690][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2288.977690][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.977690][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.977690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.977690][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2288.977690][ T72] ipv6_add_addr+0x411/0x2000 [ 2288.977690][ T72] inet6_addr_add+0x30e/0xa40 [ 2288.977690][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.977690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.977690][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.977690][ T72] netlink_unicast+0x449/0x710 [ 2288.977690][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.977690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.977690][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.977690][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.977690][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.977690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.977690][ T72] [ 2288.979911][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2288.979911][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.979911][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.979911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.979911][ T72] ip6_route_add+0x1c/0x140 [ 2288.979911][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.979911][ T72] addrconf_add_dev+0xe2/0x170 [ 2288.979911][ T72] inet6_addr_add+0x12f/0xa40 [ 2288.979911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.979911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.979911][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.979911][ T72] netlink_unicast+0x449/0x710 [ 2288.979911][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.979911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.979911][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.979911][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.979911][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.979911][ T72] [ 2288.982170][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2288.982170][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2288.982170][ T72] ipv6_find_idev+0x102/0x170 [ 2288.982170][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.982170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.982170][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.982170][ T72] netlink_unicast+0x449/0x710 [ 2288.982170][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.982170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.982170][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.982170][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.982170][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.982170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.982170][ T72] [ 2288.983877][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2288.983877][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2288.983877][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2288.983877][ T72] ipv6_find_idev+0x102/0x170 [ 2288.983877][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.983877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.983877][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.983877][ T72] netlink_unicast+0x449/0x710 [ 2288.983877][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.983877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.983877][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.983877][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.983877][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.983877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.983877][ T72] [ 2288.985729][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2288.986505][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2288.986505][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.986505][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.986505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.986505][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2288.986505][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2288.986505][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2288.986505][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2288.986505][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2288.986505][ T72] addrconf_dad_begin+0x310/0x670 [ 2288.986505][ T72] addrconf_dad_work+0x10b/0xab0 [ 2288.986505][ T72] process_one_work+0x84d/0x18a0 [ 2288.986505][ T72] worker_thread+0x587/0xd30 [ 2288.986505][ T72] kthread+0x28a/0x350 [ 2288.986505][ T72] ret_from_fork+0x31/0x70 [ 2288.986505][ T72] ret_from_fork_asm+0x1a/0x30 [ 2288.986505][ T72] [ 2288.988427][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2288.988427][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.988427][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.988427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.988427][ T72] ip6_route_add+0x1c/0x140 [ 2288.988427][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2288.988427][ T72] inet6_addr_add+0x4f8/0xa40 [ 2288.988427][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.988427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.988427][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.988427][ T72] netlink_unicast+0x449/0x710 [ 2288.988427][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.988427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.988427][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.988427][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.988427][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.988427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.988427][ T72] [ 2288.990433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2288.990433][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.990433][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.990433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.990433][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2288.990433][ T72] ipv6_add_addr+0x411/0x2000 [ 2288.990433][ T72] inet6_addr_add+0x30e/0xa40 [ 2288.990433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.990433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.990433][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.990433][ T72] netlink_unicast+0x449/0x710 [ 2288.990433][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.990433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.990433][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.990433][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.990433][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.990433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.990433][ T72] [ 2288.992600][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2288.992600][ T72] netdev_get_by_index+0x5e/0x80 [ 2288.992600][ T72] fib6_nh_init+0x3d8/0x1580 [ 2288.992600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2288.992600][ T72] ip6_route_add+0x1c/0x140 [ 2288.992600][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.992600][ T72] addrconf_add_dev+0xe2/0x170 [ 2288.992600][ T72] inet6_addr_add+0x12f/0xa40 [ 2288.992600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.992600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.992600][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.992600][ T72] netlink_unicast+0x449/0x710 [ 2288.992600][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.992600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.992600][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.992600][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.992600][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.992600][ T72] [ 2288.994853][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2288.994853][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2288.994853][ T72] ipv6_find_idev+0x102/0x170 [ 2288.994853][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.994853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.994853][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.994853][ T72] netlink_unicast+0x449/0x710 [ 2288.994853][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.994853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.994853][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.994853][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.994853][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.994853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.994853][ T72] [ 2288.996551][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2288.996551][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2288.996551][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2288.996551][ T72] ipv6_find_idev+0x102/0x170 [ 2288.996551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.996551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.996551][ T72] netlink_rcv_skb+0x130/0x360 [ 2288.996551][ T72] netlink_unicast+0x449/0x710 [ 2288.996551][ T72] netlink_sendmsg+0x723/0xbe0 [ 2288.996551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2288.996551][ T72] ___sys_sendmsg+0xee/0x170 [ 2288.996551][ T72] __sys_sendmsg+0xcd/0x170 [ 2288.996551][ T72] do_syscall_64+0xc6/0x1e0 [ 2288.996551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.996551][ T72] [ 2299.081004][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2299.081513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2299.081513][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2299.081513][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2299.081513][ T72] fib6_nh_init+0xa22/0x1580 [ 2299.081513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.081513][ T72] ip6_route_add+0x1c/0x140 [ 2299.081513][ T72] inet6_rtm_newroute+0x104/0x110 [ 2299.081513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.081513][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.081513][ T72] netlink_unicast+0x449/0x710 [ 2299.081513][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.081513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.081513][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.081513][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.081513][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.081513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.081513][ T72] [ 2299.083365][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2299.083365][ T72] dst_init+0x84/0x4a0 [ 2299.083365][ T72] dst_alloc+0x97/0x150 [ 2299.083365][ T72] ip6_dst_alloc+0x23/0x90 [ 2299.083365][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.083365][ T72] ip6_pol_route+0x56f/0x840 [ 2299.083365][ T72] fib6_rule_lookup+0x456/0x630 [ 2299.083365][ T72] ip6_route_input+0x59c/0xa50 [ 2299.083365][ T72] ipv6_rcv+0x397/0x810 [ 2299.083365][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2299.083365][ T72] process_backlog+0x101/0x620 [ 2299.083365][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2299.083365][ T72] net_rx_action+0x495/0xbe0 [ 2299.083365][ T72] __do_softirq+0x1b5/0x7f6 [ 2299.083365][ T72] [ 2299.085031][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2299.085031][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.085031][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.085031][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.085031][ T72] ip6_route_add+0x1c/0x140 [ 2299.085031][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2299.085031][ T72] inet6_addr_add+0x4f8/0xa40 [ 2299.085031][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.085031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.085031][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.085031][ T72] netlink_unicast+0x449/0x710 [ 2299.085031][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.085031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.085031][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.085031][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.085031][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.085031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.085031][ T72] [ 2299.087153][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2299.087153][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.087153][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.087153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.087153][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2299.087153][ T72] ipv6_add_addr+0x411/0x2000 [ 2299.087153][ T72] inet6_addr_add+0x30e/0xa40 [ 2299.087153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.087153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.087153][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.087153][ T72] netlink_unicast+0x449/0x710 [ 2299.087153][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.087153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.087153][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.087153][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.087153][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.087153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.087153][ T72] [ 2299.089150][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2299.089150][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.089150][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.089150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.089150][ T72] ip6_route_add+0x1c/0x140 [ 2299.089150][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2299.089150][ T72] addrconf_add_dev+0xe2/0x170 [ 2299.089150][ T72] inet6_addr_add+0x12f/0xa40 [ 2299.089150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.089150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.089150][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.089150][ T72] netlink_unicast+0x449/0x710 [ 2299.089150][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.089150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.089150][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.089150][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.089150][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.089150][ T72] [ 2299.091095][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2299.091095][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2299.091095][ T72] ipv6_find_idev+0x102/0x170 [ 2299.091095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.091095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.091095][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.091095][ T72] netlink_unicast+0x449/0x710 [ 2299.091095][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.091095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.091095][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.091095][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.091095][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.091095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.091095][ T72] [ 2299.092622][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2299.092622][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2299.092622][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2299.092622][ T72] ipv6_find_idev+0x102/0x170 [ 2299.092622][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.092622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.092622][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.092622][ T72] netlink_unicast+0x449/0x710 [ 2299.092622][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.092622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.092622][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.092622][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.092622][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.092622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.092622][ T72] [ 2299.094332][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2299.094603][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2299.094603][ T72] dst_init+0x84/0x4a0 [ 2299.094603][ T72] dst_alloc+0x97/0x150 [ 2299.094603][ T72] ip6_dst_alloc+0x23/0x90 [ 2299.094603][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.094603][ T72] ip6_pol_route+0x56f/0x840 [ 2299.094603][ T72] fib6_rule_lookup+0x456/0x630 [ 2299.094603][ T72] ip6_route_input+0x59c/0xa50 [ 2299.094603][ T72] ipv6_rcv+0x397/0x810 [ 2299.094603][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2299.094603][ T72] process_backlog+0x101/0x620 [ 2299.094603][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2299.094603][ T72] net_rx_action+0x495/0xbe0 [ 2299.094603][ T72] __do_softirq+0x1b5/0x7f6 [ 2299.094603][ T72] [ 2299.096237][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2299.096237][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.096237][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.096237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.096237][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2299.096237][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2299.096237][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2299.096237][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2299.096237][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2299.096237][ T72] addrconf_dad_begin+0x310/0x670 [ 2299.096237][ T72] addrconf_dad_work+0x10b/0xab0 [ 2299.096237][ T72] process_one_work+0x84d/0x18a0 [ 2299.096237][ T72] worker_thread+0x587/0xd30 [ 2299.096237][ T72] kthread+0x28a/0x350 [ 2299.096237][ T72] ret_from_fork+0x31/0x70 [ 2299.096237][ T72] ret_from_fork_asm+0x1a/0x30 [ 2299.096237][ T72] [ 2299.098131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2299.098131][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.098131][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.098131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.098131][ T72] ip6_route_add+0x1c/0x140 [ 2299.098131][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2299.098131][ T72] inet6_addr_add+0x4f8/0xa40 [ 2299.098131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.098131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.098131][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.098131][ T72] netlink_unicast+0x449/0x710 [ 2299.098131][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.098131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.098131][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.098131][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.098131][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.098131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.098131][ T72] [ 2299.100126][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2299.100126][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.100126][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.100126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.100126][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2299.100126][ T72] ipv6_add_addr+0x411/0x2000 [ 2299.100126][ T72] inet6_addr_add+0x30e/0xa40 [ 2299.100126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.100126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.100126][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.100126][ T72] netlink_unicast+0x449/0x710 [ 2299.100126][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.100126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.100126][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.100126][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.100126][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.100126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.100126][ T72] [ 2299.102066][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2299.102066][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.102066][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.102066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.102066][ T72] ip6_route_add+0x1c/0x140 [ 2299.102066][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2299.102066][ T72] addrconf_add_dev+0xe2/0x170 [ 2299.102066][ T72] inet6_addr_add+0x12f/0xa40 [ 2299.102066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.102066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.102066][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.102066][ T72] netlink_unicast+0x449/0x710 [ 2299.102066][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.102066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.102066][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.102066][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.102066][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.102066][ T72] [ 2299.103993][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2299.103993][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2299.103993][ T72] ipv6_find_idev+0x102/0x170 [ 2299.103993][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.103993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.103993][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.103993][ T72] netlink_unicast+0x449/0x710 [ 2299.103993][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.103993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.103993][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.103993][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.103993][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.103993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.103993][ T72] [ 2299.105519][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2299.105519][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2299.105519][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2299.105519][ T72] ipv6_find_idev+0x102/0x170 [ 2299.105519][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.105519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.105519][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.105519][ T72] netlink_unicast+0x449/0x710 [ 2299.105519][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.105519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.105519][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.105519][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.105519][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.105519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.105519][ T72] [ 2299.107322][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2299.107589][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2299.107589][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2299.107589][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2299.107589][ T72] fib6_nh_init+0xa22/0x1580 [ 2299.107589][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.107589][ T72] ip6_route_add+0x1c/0x140 [ 2299.107589][ T72] inet6_rtm_newroute+0x104/0x110 [ 2299.107589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.107589][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.107589][ T72] netlink_unicast+0x449/0x710 [ 2299.107589][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.107589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.107589][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.107589][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.107589][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.107589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.107589][ T72] [ 2299.109698][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2299.109698][ T72] dst_init+0x84/0x4a0 [ 2299.109698][ T72] dst_alloc+0x97/0x150 [ 2299.109698][ T72] ip6_dst_alloc+0x23/0x90 [ 2299.109698][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.109698][ T72] ip6_pol_route+0x56f/0x840 [ 2299.109698][ T72] fib6_rule_lookup+0x456/0x630 [ 2299.109698][ T72] ip6_route_input+0x59c/0xa50 [ 2299.109698][ T72] ipv6_rcv+0x397/0x810 [ 2299.109698][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2299.109698][ T72] process_backlog+0x101/0x620 [ 2299.109698][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2299.109698][ T72] net_rx_action+0x495/0xbe0 [ 2299.109698][ T72] __do_softirq+0x1b5/0x7f6 [ 2299.109698][ T72] [ 2299.111563][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2299.111563][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.111563][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.111563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.111563][ T72] ip6_route_add+0x1c/0x140 [ 2299.111563][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2299.111563][ T72] inet6_addr_add+0x4f8/0xa40 [ 2299.111563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.111563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.111563][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.111563][ T72] netlink_unicast+0x449/0x710 [ 2299.111563][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.111563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.111563][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.111563][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.111563][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.111563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.111563][ T72] [ 2299.113726][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2299.113726][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.113726][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.113726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.113726][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2299.113726][ T72] ipv6_add_addr+0x411/0x2000 [ 2299.113726][ T72] inet6_addr_add+0x30e/0xa40 [ 2299.113726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.113726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.113726][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.113726][ T72] netlink_unicast+0x449/0x710 [ 2299.113726][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.113726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.113726][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.113726][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.113726][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.113726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.113726][ T72] [ 2299.115952][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2299.115952][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.115952][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.115952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.115952][ T72] ip6_route_add+0x1c/0x140 [ 2299.115952][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2299.115952][ T72] addrconf_add_dev+0xe2/0x170 [ 2299.115952][ T72] inet6_addr_add+0x12f/0xa40 [ 2299.115952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.115952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.115952][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.115952][ T72] netlink_unicast+0x449/0x710 [ 2299.115952][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.115952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.115952][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.115952][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.115952][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.115952][ T72] [ 2299.118210][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2299.118210][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2299.118210][ T72] ipv6_find_idev+0x102/0x170 [ 2299.118210][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.118210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.118210][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.118210][ T72] netlink_unicast+0x449/0x710 [ 2299.118210][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.118210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.118210][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.118210][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.118210][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.118210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.118210][ T72] [ 2299.119925][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2299.119925][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2299.119925][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2299.119925][ T72] ipv6_find_idev+0x102/0x170 [ 2299.119925][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.119925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.119925][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.119925][ T72] netlink_unicast+0x449/0x710 [ 2299.119925][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.119925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.119925][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.119925][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.119925][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.119925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.119925][ T72] [ 2299.121784][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2299.122159][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2299.122159][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.122159][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.122159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.122159][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2299.122159][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2299.122159][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2299.122159][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2299.122159][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2299.122159][ T72] addrconf_dad_begin+0x310/0x670 [ 2299.122159][ T72] addrconf_dad_work+0x10b/0xab0 [ 2299.122159][ T72] process_one_work+0x84d/0x18a0 [ 2299.122159][ T72] worker_thread+0x587/0xd30 [ 2299.122159][ T72] kthread+0x28a/0x350 [ 2299.122159][ T72] ret_from_fork+0x31/0x70 [ 2299.122159][ T72] ret_from_fork_asm+0x1a/0x30 [ 2299.122159][ T72] [ 2299.124230][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2299.124230][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.124230][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.124230][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.124230][ T72] ip6_route_add+0x1c/0x140 [ 2299.124230][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2299.124230][ T72] inet6_addr_add+0x4f8/0xa40 [ 2299.124230][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.124230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.124230][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.124230][ T72] netlink_unicast+0x449/0x710 [ 2299.124230][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.124230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.124230][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.124230][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.124230][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.124230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.124230][ T72] [ 2299.126451][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2299.126451][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.126451][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.126451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.126451][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2299.126451][ T72] ipv6_add_addr+0x411/0x2000 [ 2299.126451][ T72] inet6_addr_add+0x30e/0xa40 [ 2299.126451][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.126451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.126451][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.126451][ T72] netlink_unicast+0x449/0x710 [ 2299.126451][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.126451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.126451][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.126451][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.126451][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.126451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.126451][ T72] [ 2299.128731][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2299.128731][ T72] netdev_get_by_index+0x5e/0x80 [ 2299.128731][ T72] fib6_nh_init+0x3d8/0x1580 [ 2299.128731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2299.128731][ T72] ip6_route_add+0x1c/0x140 [ 2299.128731][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2299.128731][ T72] addrconf_add_dev+0xe2/0x170 [ 2299.128731][ T72] inet6_addr_add+0x12f/0xa40 [ 2299.128731][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.128731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.128731][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.128731][ T72] netlink_unicast+0x449/0x710 [ 2299.128731][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.128731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.128731][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.128731][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.128731][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.128731][ T72] [ 2299.130921][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2299.130921][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2299.130921][ T72] ipv6_find_idev+0x102/0x170 [ 2299.130921][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.130921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.130921][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.130921][ T72] netlink_unicast+0x449/0x710 [ 2299.130921][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.130921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.130921][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.130921][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.130921][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.130921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.130921][ T72] [ 2299.132628][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2299.132628][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2299.132628][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2299.132628][ T72] ipv6_find_idev+0x102/0x170 [ 2299.132628][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.132628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.132628][ T72] netlink_rcv_skb+0x130/0x360 [ 2299.132628][ T72] netlink_unicast+0x449/0x710 [ 2299.132628][ T72] netlink_sendmsg+0x723/0xbe0 [ 2299.132628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2299.132628][ T72] ___sys_sendmsg+0xee/0x170 [ 2299.132628][ T72] __sys_sendmsg+0xcd/0x170 [ 2299.132628][ T72] do_syscall_64+0xc6/0x1e0 [ 2299.132628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.132628][ T72] [ 2309.384973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2309.385478][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2309.385478][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2309.385478][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2309.385478][ T72] fib6_nh_init+0xa22/0x1580 [ 2309.385478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.385478][ T72] ip6_route_add+0x1c/0x140 [ 2309.385478][ T72] inet6_rtm_newroute+0x104/0x110 [ 2309.385478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.385478][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.385478][ T72] netlink_unicast+0x449/0x710 [ 2309.385478][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.385478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.385478][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.385478][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.385478][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.385478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.385478][ T72] [ 2309.387365][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2309.387365][ T72] dst_init+0x84/0x4a0 [ 2309.387365][ T72] dst_alloc+0x97/0x150 [ 2309.387365][ T72] ip6_dst_alloc+0x23/0x90 [ 2309.387365][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.387365][ T72] ip6_pol_route+0x56f/0x840 [ 2309.387365][ T72] fib6_rule_lookup+0x456/0x630 [ 2309.387365][ T72] ip6_route_input+0x59c/0xa50 [ 2309.387365][ T72] ipv6_rcv+0x397/0x810 [ 2309.387365][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2309.387365][ T72] process_backlog+0x101/0x620 [ 2309.387365][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2309.387365][ T72] net_rx_action+0x495/0xbe0 [ 2309.387365][ T72] __do_softirq+0x1b5/0x7f6 [ 2309.387365][ T72] [ 2309.389007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2309.389007][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.389007][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.389007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.389007][ T72] ip6_route_add+0x1c/0x140 [ 2309.389007][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2309.389007][ T72] inet6_addr_add+0x4f8/0xa40 [ 2309.389007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.389007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.389007][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.389007][ T72] netlink_unicast+0x449/0x710 [ 2309.389007][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.389007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.389007][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.389007][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.389007][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.389007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.389007][ T72] [ 2309.390990][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2309.390990][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.390990][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.390990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.390990][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2309.390990][ T72] ipv6_add_addr+0x411/0x2000 [ 2309.390990][ T72] inet6_addr_add+0x30e/0xa40 [ 2309.390990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.390990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.390990][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.390990][ T72] netlink_unicast+0x449/0x710 [ 2309.390990][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.390990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.390990][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.390990][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.390990][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.390990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.390990][ T72] [ 2309.392915][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2309.392915][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.392915][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.392915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.392915][ T72] ip6_route_add+0x1c/0x140 [ 2309.392915][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.392915][ T72] addrconf_add_dev+0xe2/0x170 [ 2309.392915][ T72] inet6_addr_add+0x12f/0xa40 [ 2309.392915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.392915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.392915][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.392915][ T72] netlink_unicast+0x449/0x710 [ 2309.392915][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.392915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.392915][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.392915][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.392915][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.392915][ T72] [ 2309.394873][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2309.394873][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2309.394873][ T72] ipv6_find_idev+0x102/0x170 [ 2309.394873][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.394873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.394873][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.394873][ T72] netlink_unicast+0x449/0x710 [ 2309.394873][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.394873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.394873][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.394873][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.394873][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.394873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.394873][ T72] [ 2309.396410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2309.396410][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2309.396410][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2309.396410][ T72] ipv6_find_idev+0x102/0x170 [ 2309.396410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.396410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.396410][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.396410][ T72] netlink_unicast+0x449/0x710 [ 2309.396410][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.396410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.396410][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.396410][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.396410][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.396410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.396410][ T72] [ 2309.398120][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2309.398417][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2309.398417][ T72] dst_init+0x84/0x4a0 [ 2309.398417][ T72] dst_alloc+0x97/0x150 [ 2309.398417][ T72] ip6_dst_alloc+0x23/0x90 [ 2309.398417][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.398417][ T72] ip6_pol_route+0x56f/0x840 [ 2309.398417][ T72] fib6_rule_lookup+0x456/0x630 [ 2309.398417][ T72] ip6_route_input+0x59c/0xa50 [ 2309.398417][ T72] ipv6_rcv+0x397/0x810 [ 2309.398417][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2309.398417][ T72] process_backlog+0x101/0x620 [ 2309.398417][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2309.398417][ T72] net_rx_action+0x495/0xbe0 [ 2309.398417][ T72] __do_softirq+0x1b5/0x7f6 [ 2309.398417][ T72] [ 2309.400049][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2309.400049][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.400049][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.400049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.400049][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2309.400049][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2309.400049][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2309.400049][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2309.400049][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2309.400049][ T72] addrconf_dad_begin+0x310/0x670 [ 2309.400049][ T72] addrconf_dad_work+0x10b/0xab0 [ 2309.400049][ T72] process_one_work+0x84d/0x18a0 [ 2309.400049][ T72] worker_thread+0x587/0xd30 [ 2309.400049][ T72] kthread+0x28a/0x350 [ 2309.400049][ T72] ret_from_fork+0x31/0x70 [ 2309.400049][ T72] ret_from_fork_asm+0x1a/0x30 [ 2309.400049][ T72] [ 2309.401906][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2309.401906][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.401906][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.401906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.401906][ T72] ip6_route_add+0x1c/0x140 [ 2309.401906][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2309.401906][ T72] inet6_addr_add+0x4f8/0xa40 [ 2309.401906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.401906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.401906][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.401906][ T72] netlink_unicast+0x449/0x710 [ 2309.401906][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.401906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.401906][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.401906][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.401906][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.401906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.401906][ T72] [ 2309.403842][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2309.403842][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.403842][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.403842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.403842][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2309.403842][ T72] ipv6_add_addr+0x411/0x2000 [ 2309.403842][ T72] inet6_addr_add+0x30e/0xa40 [ 2309.403842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.403842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.403842][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.403842][ T72] netlink_unicast+0x449/0x710 [ 2309.403842][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.403842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.403842][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.403842][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.403842][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.403842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.403842][ T72] [ 2309.405771][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2309.405771][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.405771][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.405771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.405771][ T72] ip6_route_add+0x1c/0x140 [ 2309.405771][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.405771][ T72] addrconf_add_dev+0xe2/0x170 [ 2309.405771][ T72] inet6_addr_add+0x12f/0xa40 [ 2309.405771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.405771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.405771][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.405771][ T72] netlink_unicast+0x449/0x710 [ 2309.405771][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.405771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.405771][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.405771][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.405771][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.405771][ T72] [ 2309.407720][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2309.407720][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2309.407720][ T72] ipv6_find_idev+0x102/0x170 [ 2309.407720][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.407720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.407720][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.407720][ T72] netlink_unicast+0x449/0x710 [ 2309.407720][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.407720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.407720][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.407720][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.407720][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.407720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.407720][ T72] [ 2309.409223][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2309.409223][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2309.409223][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2309.409223][ T72] ipv6_find_idev+0x102/0x170 [ 2309.409223][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.409223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.409223][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.409223][ T72] netlink_unicast+0x449/0x710 [ 2309.409223][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.409223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.409223][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.409223][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.409223][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.409223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.409223][ T72] [ 2309.410974][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2309.411261][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2309.411261][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2309.411261][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2309.411261][ T72] fib6_nh_init+0xa22/0x1580 [ 2309.411261][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.411261][ T72] ip6_route_add+0x1c/0x140 [ 2309.411261][ T72] inet6_rtm_newroute+0x104/0x110 [ 2309.411261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.411261][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.411261][ T72] netlink_unicast+0x449/0x710 [ 2309.411261][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.411261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.411261][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.411261][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.411261][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.411261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.411261][ T72] [ 2309.413378][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2309.413378][ T72] dst_init+0x84/0x4a0 [ 2309.413378][ T72] dst_alloc+0x97/0x150 [ 2309.413378][ T72] ip6_dst_alloc+0x23/0x90 [ 2309.413378][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.413378][ T72] ip6_pol_route+0x56f/0x840 [ 2309.413378][ T72] fib6_rule_lookup+0x456/0x630 [ 2309.413378][ T72] ip6_route_input+0x59c/0xa50 [ 2309.413378][ T72] ipv6_rcv+0x397/0x810 [ 2309.413378][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2309.413378][ T72] process_backlog+0x101/0x620 [ 2309.413378][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2309.413378][ T72] net_rx_action+0x495/0xbe0 [ 2309.413378][ T72] __do_softirq+0x1b5/0x7f6 [ 2309.413378][ T72] [ 2309.415254][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2309.415254][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.415254][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.415254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.415254][ T72] ip6_route_add+0x1c/0x140 [ 2309.415254][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2309.415254][ T72] inet6_addr_add+0x4f8/0xa40 [ 2309.415254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.415254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.415254][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.415254][ T72] netlink_unicast+0x449/0x710 [ 2309.415254][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.415254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.415254][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.415254][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.415254][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.415254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.415254][ T72] [ 2309.417426][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2309.417426][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.417426][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.417426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.417426][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2309.417426][ T72] ipv6_add_addr+0x411/0x2000 [ 2309.417426][ T72] inet6_addr_add+0x30e/0xa40 [ 2309.417426][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.417426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.417426][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.417426][ T72] netlink_unicast+0x449/0x710 [ 2309.417426][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.417426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.417426][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.417426][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.417426][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.417426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.417426][ T72] [ 2309.419557][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2309.419557][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.419557][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.419557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.419557][ T72] ip6_route_add+0x1c/0x140 [ 2309.419557][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.419557][ T72] addrconf_add_dev+0xe2/0x170 [ 2309.419557][ T72] inet6_addr_add+0x12f/0xa40 [ 2309.419557][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.419557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.419557][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.419557][ T72] netlink_unicast+0x449/0x710 [ 2309.419557][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.419557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.419557][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.419557][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.419557][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.419557][ T72] [ 2309.421831][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2309.421831][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2309.421831][ T72] ipv6_find_idev+0x102/0x170 [ 2309.421831][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.421831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.421831][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.421831][ T72] netlink_unicast+0x449/0x710 [ 2309.421831][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.421831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.421831][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.421831][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.421831][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.421831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.421831][ T72] [ 2309.424058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2309.424058][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2309.424058][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2309.424058][ T72] ipv6_find_idev+0x102/0x170 [ 2309.424058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.424058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.424058][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.424058][ T72] netlink_unicast+0x449/0x710 [ 2309.424058][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.424058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.424058][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.424058][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.424058][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.424058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.424058][ T72] [ 2309.425906][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2309.426234][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2309.426234][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.426234][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.426234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.426234][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2309.426234][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2309.426234][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2309.426234][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2309.426234][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2309.426234][ T72] addrconf_dad_begin+0x310/0x670 [ 2309.426234][ T72] addrconf_dad_work+0x10b/0xab0 [ 2309.426234][ T72] process_one_work+0x84d/0x18a0 [ 2309.426234][ T72] worker_thread+0x587/0xd30 [ 2309.426234][ T72] kthread+0x28a/0x350 [ 2309.426234][ T72] ret_from_fork+0x31/0x70 [ 2309.426234][ T72] ret_from_fork_asm+0x1a/0x30 [ 2309.426234][ T72] [ 2309.428318][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2309.428318][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.428318][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.428318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.428318][ T72] ip6_route_add+0x1c/0x140 [ 2309.428318][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2309.428318][ T72] inet6_addr_add+0x4f8/0xa40 [ 2309.428318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.428318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.428318][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.428318][ T72] netlink_unicast+0x449/0x710 [ 2309.428318][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.428318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.428318][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.428318][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.428318][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.428318][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.428318][ T72] [ 2309.430547][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2309.430547][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.430547][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.430547][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.430547][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2309.430547][ T72] ipv6_add_addr+0x411/0x2000 [ 2309.430547][ T72] inet6_addr_add+0x30e/0xa40 [ 2309.430547][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.430547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.430547][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.430547][ T72] netlink_unicast+0x449/0x710 [ 2309.430547][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.430547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.430547][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.430547][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.430547][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.430547][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.430547][ T72] [ 2309.432838][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2309.432838][ T72] netdev_get_by_index+0x5e/0x80 [ 2309.432838][ T72] fib6_nh_init+0x3d8/0x1580 [ 2309.432838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2309.432838][ T72] ip6_route_add+0x1c/0x140 [ 2309.432838][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.432838][ T72] addrconf_add_dev+0xe2/0x170 [ 2309.432838][ T72] inet6_addr_add+0x12f/0xa40 [ 2309.432838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.432838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.432838][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.432838][ T72] netlink_unicast+0x449/0x710 [ 2309.432838][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.432838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.432838][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.432838][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.432838][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.432838][ T72] [ 2309.435022][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2309.435022][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2309.435022][ T72] ipv6_find_idev+0x102/0x170 [ 2309.435022][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.435022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.435022][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.435022][ T72] netlink_unicast+0x449/0x710 [ 2309.435022][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.435022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.435022][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.435022][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.435022][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.435022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.435022][ T72] [ 2309.436731][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2309.436731][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2309.436731][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2309.436731][ T72] ipv6_find_idev+0x102/0x170 [ 2309.436731][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.436731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.436731][ T72] netlink_rcv_skb+0x130/0x360 [ 2309.436731][ T72] netlink_unicast+0x449/0x710 [ 2309.436731][ T72] netlink_sendmsg+0x723/0xbe0 [ 2309.436731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2309.436731][ T72] ___sys_sendmsg+0xee/0x170 [ 2309.436731][ T72] __sys_sendmsg+0xcd/0x170 [ 2309.436731][ T72] do_syscall_64+0xc6/0x1e0 [ 2309.436731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.436731][ T72] [ 2319.472949][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2319.473464][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2319.473464][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2319.473464][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2319.473464][ T72] fib6_nh_init+0xa22/0x1580 [ 2319.473464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.473464][ T72] ip6_route_add+0x1c/0x140 [ 2319.473464][ T72] inet6_rtm_newroute+0x104/0x110 [ 2319.473464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.473464][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.473464][ T72] netlink_unicast+0x449/0x710 [ 2319.473464][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.473464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.473464][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.473464][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.473464][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.473464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.473464][ T72] [ 2319.475240][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2319.475240][ T72] dst_init+0x84/0x4a0 [ 2319.475240][ T72] dst_alloc+0x97/0x150 [ 2319.475240][ T72] ip6_dst_alloc+0x23/0x90 [ 2319.475240][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.475240][ T72] ip6_pol_route+0x56f/0x840 [ 2319.475240][ T72] fib6_rule_lookup+0x456/0x630 [ 2319.475240][ T72] ip6_route_input+0x59c/0xa50 [ 2319.475240][ T72] ipv6_rcv+0x397/0x810 [ 2319.475240][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2319.475240][ T72] process_backlog+0x101/0x620 [ 2319.475240][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2319.475240][ T72] net_rx_action+0x495/0xbe0 [ 2319.475240][ T72] __do_softirq+0x1b5/0x7f6 [ 2319.475240][ T72] [ 2319.476857][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2319.476857][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.476857][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.476857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.476857][ T72] ip6_route_add+0x1c/0x140 [ 2319.476857][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2319.476857][ T72] inet6_addr_add+0x4f8/0xa40 [ 2319.476857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.476857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.476857][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.476857][ T72] netlink_unicast+0x449/0x710 [ 2319.476857][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.476857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.476857][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.476857][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.476857][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.476857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.476857][ T72] [ 2319.478806][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2319.478806][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.478806][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.478806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.478806][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2319.478806][ T72] ipv6_add_addr+0x411/0x2000 [ 2319.478806][ T72] inet6_addr_add+0x30e/0xa40 [ 2319.478806][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.478806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.478806][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.478806][ T72] netlink_unicast+0x449/0x710 [ 2319.478806][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.478806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.478806][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.478806][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.478806][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.478806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.478806][ T72] [ 2319.480760][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2319.480760][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.480760][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.480760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.480760][ T72] ip6_route_add+0x1c/0x140 [ 2319.480760][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.480760][ T72] addrconf_add_dev+0xe2/0x170 [ 2319.480760][ T72] inet6_addr_add+0x12f/0xa40 [ 2319.480760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.480760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.480760][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.480760][ T72] netlink_unicast+0x449/0x710 [ 2319.480760][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.480760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.480760][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.480760][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.480760][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.480760][ T72] [ 2319.482685][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2319.482685][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2319.482685][ T72] ipv6_find_idev+0x102/0x170 [ 2319.482685][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.482685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.482685][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.482685][ T72] netlink_unicast+0x449/0x710 [ 2319.482685][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.482685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.482685][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.482685][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.482685][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.482685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.482685][ T72] [ 2319.484239][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2319.484239][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2319.484239][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2319.484239][ T72] ipv6_find_idev+0x102/0x170 [ 2319.484239][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.484239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.484239][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.484239][ T72] netlink_unicast+0x449/0x710 [ 2319.484239][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.484239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.484239][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.484239][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.484239][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.484239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.484239][ T72] [ 2319.485958][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2319.486237][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2319.486237][ T72] dst_init+0x84/0x4a0 [ 2319.486237][ T72] dst_alloc+0x97/0x150 [ 2319.486237][ T72] ip6_dst_alloc+0x23/0x90 [ 2319.486237][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.486237][ T72] ip6_pol_route+0x56f/0x840 [ 2319.486237][ T72] fib6_rule_lookup+0x456/0x630 [ 2319.486237][ T72] ip6_route_input+0x59c/0xa50 [ 2319.486237][ T72] ipv6_rcv+0x397/0x810 [ 2319.486237][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2319.486237][ T72] process_backlog+0x101/0x620 [ 2319.486237][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2319.486237][ T72] net_rx_action+0x495/0xbe0 [ 2319.486237][ T72] __do_softirq+0x1b5/0x7f6 [ 2319.486237][ T72] [ 2319.487924][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2319.487924][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.487924][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.487924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.487924][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2319.487924][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2319.487924][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2319.487924][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2319.487924][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2319.487924][ T72] addrconf_dad_begin+0x310/0x670 [ 2319.487924][ T72] addrconf_dad_work+0x10b/0xab0 [ 2319.487924][ T72] process_one_work+0x84d/0x18a0 [ 2319.487924][ T72] worker_thread+0x587/0xd30 [ 2319.487924][ T72] kthread+0x28a/0x350 [ 2319.487924][ T72] ret_from_fork+0x31/0x70 [ 2319.487924][ T72] ret_from_fork_asm+0x1a/0x30 [ 2319.487924][ T72] [ 2319.489835][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2319.489835][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.489835][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.489835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.489835][ T72] ip6_route_add+0x1c/0x140 [ 2319.489835][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2319.489835][ T72] inet6_addr_add+0x4f8/0xa40 [ 2319.489835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.489835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.489835][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.489835][ T72] netlink_unicast+0x449/0x710 [ 2319.489835][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.489835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.489835][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.489835][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.489835][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.489835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.489835][ T72] [ 2319.491836][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2319.491836][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.491836][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.491836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.491836][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2319.491836][ T72] ipv6_add_addr+0x411/0x2000 [ 2319.491836][ T72] inet6_addr_add+0x30e/0xa40 [ 2319.491836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.491836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.491836][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.491836][ T72] netlink_unicast+0x449/0x710 [ 2319.491836][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.491836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.491836][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.491836][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.491836][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.491836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.491836][ T72] [ 2319.493843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2319.493843][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.493843][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.493843][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.493843][ T72] ip6_route_add+0x1c/0x140 [ 2319.493843][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.493843][ T72] addrconf_add_dev+0xe2/0x170 [ 2319.493843][ T72] inet6_addr_add+0x12f/0xa40 [ 2319.493843][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.493843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.493843][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.493843][ T72] netlink_unicast+0x449/0x710 [ 2319.493843][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.493843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.493843][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.493843][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.493843][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.493843][ T72] [ 2319.495800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2319.495800][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2319.495800][ T72] ipv6_find_idev+0x102/0x170 [ 2319.495800][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.495800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.495800][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.495800][ T72] netlink_unicast+0x449/0x710 [ 2319.495800][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.495800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.495800][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.495800][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.495800][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.495800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.495800][ T72] [ 2319.497361][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2319.497361][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2319.497361][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2319.497361][ T72] ipv6_find_idev+0x102/0x170 [ 2319.497361][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.497361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.497361][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.497361][ T72] netlink_unicast+0x449/0x710 [ 2319.497361][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.497361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.497361][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.497361][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.497361][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.497361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.497361][ T72] [ 2319.499200][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2319.499480][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2319.499480][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2319.499480][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2319.499480][ T72] fib6_nh_init+0xa22/0x1580 [ 2319.499480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.499480][ T72] ip6_route_add+0x1c/0x140 [ 2319.499480][ T72] inet6_rtm_newroute+0x104/0x110 [ 2319.499480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.499480][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.499480][ T72] netlink_unicast+0x449/0x710 [ 2319.499480][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.499480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.499480][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.499480][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.499480][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.499480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.499480][ T72] [ 2319.501722][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2319.501722][ T72] dst_init+0x84/0x4a0 [ 2319.501722][ T72] dst_alloc+0x97/0x150 [ 2319.501722][ T72] ip6_dst_alloc+0x23/0x90 [ 2319.501722][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.501722][ T72] ip6_pol_route+0x56f/0x840 [ 2319.501722][ T72] fib6_rule_lookup+0x456/0x630 [ 2319.501722][ T72] ip6_route_input+0x59c/0xa50 [ 2319.501722][ T72] ipv6_rcv+0x397/0x810 [ 2319.501722][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2319.501722][ T72] process_backlog+0x101/0x620 [ 2319.501722][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2319.501722][ T72] net_rx_action+0x495/0xbe0 [ 2319.501722][ T72] __do_softirq+0x1b5/0x7f6 [ 2319.501722][ T72] [ 2319.503542][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2319.503542][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.503542][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.503542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.503542][ T72] ip6_route_add+0x1c/0x140 [ 2319.503542][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2319.503542][ T72] inet6_addr_add+0x4f8/0xa40 [ 2319.503542][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.503542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.503542][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.503542][ T72] netlink_unicast+0x449/0x710 [ 2319.503542][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.503542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.503542][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.503542][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.503542][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.503542][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.503542][ T72] [ 2319.505803][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2319.505803][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.505803][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.505803][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.505803][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2319.505803][ T72] ipv6_add_addr+0x411/0x2000 [ 2319.505803][ T72] inet6_addr_add+0x30e/0xa40 [ 2319.505803][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.505803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.505803][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.505803][ T72] netlink_unicast+0x449/0x710 [ 2319.505803][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.505803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.505803][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.505803][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.505803][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.505803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.505803][ T72] [ 2319.507991][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2319.507991][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.507991][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.507991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.507991][ T72] ip6_route_add+0x1c/0x140 [ 2319.507991][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.507991][ T72] addrconf_add_dev+0xe2/0x170 [ 2319.507991][ T72] inet6_addr_add+0x12f/0xa40 [ 2319.507991][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.507991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.507991][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.507991][ T72] netlink_unicast+0x449/0x710 [ 2319.507991][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.507991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.507991][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.507991][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.507991][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.507991][ T72] [ 2319.510268][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2319.510268][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2319.510268][ T72] ipv6_find_idev+0x102/0x170 [ 2319.510268][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.510268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.510268][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.510268][ T72] netlink_unicast+0x449/0x710 [ 2319.510268][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.510268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.510268][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.510268][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.510268][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.510268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.510268][ T72] [ 2319.512001][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2319.512001][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2319.512001][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2319.512001][ T72] ipv6_find_idev+0x102/0x170 [ 2319.512001][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.512001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.512001][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.512001][ T72] netlink_unicast+0x449/0x710 [ 2319.512001][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.512001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.512001][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.512001][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.512001][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.512001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.512001][ T72] [ 2319.513887][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2319.514245][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2319.514245][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.514245][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.514245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.514245][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2319.514245][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2319.514245][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2319.514245][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2319.514245][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2319.514245][ T72] addrconf_dad_begin+0x310/0x670 [ 2319.514245][ T72] addrconf_dad_work+0x10b/0xab0 [ 2319.514245][ T72] process_one_work+0x84d/0x18a0 [ 2319.514245][ T72] worker_thread+0x587/0xd30 [ 2319.514245][ T72] kthread+0x28a/0x350 [ 2319.514245][ T72] ret_from_fork+0x31/0x70 [ 2319.514245][ T72] ret_from_fork_asm+0x1a/0x30 [ 2319.514245][ T72] [ 2319.516281][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2319.516281][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.516281][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.516281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.516281][ T72] ip6_route_add+0x1c/0x140 [ 2319.516281][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2319.516281][ T72] inet6_addr_add+0x4f8/0xa40 [ 2319.516281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.516281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.516281][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.516281][ T72] netlink_unicast+0x449/0x710 [ 2319.516281][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.516281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.516281][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.516281][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.516281][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.516281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.516281][ T72] [ 2319.518539][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2319.518539][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.518539][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.518539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.518539][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2319.518539][ T72] ipv6_add_addr+0x411/0x2000 [ 2319.518539][ T72] inet6_addr_add+0x30e/0xa40 [ 2319.518539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.518539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.518539][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.518539][ T72] netlink_unicast+0x449/0x710 [ 2319.518539][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.518539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.518539][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.518539][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.518539][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.518539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.518539][ T72] [ 2319.520873][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2319.520873][ T72] netdev_get_by_index+0x5e/0x80 [ 2319.520873][ T72] fib6_nh_init+0x3d8/0x1580 [ 2319.520873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2319.520873][ T72] ip6_route_add+0x1c/0x140 [ 2319.520873][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.520873][ T72] addrconf_add_dev+0xe2/0x170 [ 2319.520873][ T72] inet6_addr_add+0x12f/0xa40 [ 2319.520873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.520873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.520873][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.520873][ T72] netlink_unicast+0x449/0x710 [ 2319.520873][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.520873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.520873][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.520873][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.520873][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.520873][ T72] [ 2319.523093][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2319.523093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2319.523093][ T72] ipv6_find_idev+0x102/0x170 [ 2319.523093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.523093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.523093][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.523093][ T72] netlink_unicast+0x449/0x710 [ 2319.523093][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.523093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.523093][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.523093][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.523093][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.523093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.523093][ T72] [ 2319.524834][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2319.524834][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2319.524834][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2319.524834][ T72] ipv6_find_idev+0x102/0x170 [ 2319.524834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.524834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.524834][ T72] netlink_rcv_skb+0x130/0x360 [ 2319.524834][ T72] netlink_unicast+0x449/0x710 [ 2319.524834][ T72] netlink_sendmsg+0x723/0xbe0 [ 2319.524834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2319.524834][ T72] ___sys_sendmsg+0xee/0x170 [ 2319.524834][ T72] __sys_sendmsg+0xcd/0x170 [ 2319.524834][ T72] do_syscall_64+0xc6/0x1e0 [ 2319.524834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.524834][ T72] [ 2329.753001][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2329.754153][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2329.754153][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2329.754153][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2329.754153][ T72] fib6_nh_init+0xa22/0x1580 [ 2329.754153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.754153][ T72] ip6_route_add+0x1c/0x140 [ 2329.754153][ T72] inet6_rtm_newroute+0x104/0x110 [ 2329.754153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.754153][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.754153][ T72] netlink_unicast+0x449/0x710 [ 2329.754153][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.754153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.754153][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.754153][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.754153][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.754153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.754153][ T72] [ 2329.755981][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2329.755981][ T72] dst_init+0x84/0x4a0 [ 2329.755981][ T72] dst_alloc+0x97/0x150 [ 2329.755981][ T72] ip6_dst_alloc+0x23/0x90 [ 2329.755981][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.755981][ T72] ip6_pol_route+0x56f/0x840 [ 2329.755981][ T72] fib6_rule_lookup+0x456/0x630 [ 2329.755981][ T72] ip6_route_input+0x59c/0xa50 [ 2329.755981][ T72] ipv6_rcv+0x397/0x810 [ 2329.755981][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2329.755981][ T72] process_backlog+0x101/0x620 [ 2329.755981][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2329.755981][ T72] net_rx_action+0x495/0xbe0 [ 2329.755981][ T72] __do_softirq+0x1b5/0x7f6 [ 2329.755981][ T72] [ 2329.757601][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2329.757601][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.757601][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.757601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.757601][ T72] ip6_route_add+0x1c/0x140 [ 2329.757601][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2329.757601][ T72] inet6_addr_add+0x4f8/0xa40 [ 2329.757601][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.757601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.757601][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.757601][ T72] netlink_unicast+0x449/0x710 [ 2329.757601][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.757601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.757601][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.757601][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.757601][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.757601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.757601][ T72] [ 2329.759602][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2329.759602][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.759602][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.759602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.759602][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2329.759602][ T72] ipv6_add_addr+0x411/0x2000 [ 2329.759602][ T72] inet6_addr_add+0x30e/0xa40 [ 2329.759602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.759602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.759602][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.759602][ T72] netlink_unicast+0x449/0x710 [ 2329.759602][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.759602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.759602][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.759602][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.759602][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.759602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.759602][ T72] [ 2329.761611][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2329.761611][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.761611][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.761611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.761611][ T72] ip6_route_add+0x1c/0x140 [ 2329.761611][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.761611][ T72] addrconf_add_dev+0xe2/0x170 [ 2329.761611][ T72] inet6_addr_add+0x12f/0xa40 [ 2329.761611][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.761611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.761611][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.761611][ T72] netlink_unicast+0x449/0x710 [ 2329.761611][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.761611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.761611][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.761611][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.761611][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.761611][ T72] [ 2329.763588][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2329.763588][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2329.763588][ T72] ipv6_find_idev+0x102/0x170 [ 2329.763588][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.763588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.763588][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.763588][ T72] netlink_unicast+0x449/0x710 [ 2329.763588][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.763588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.763588][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.763588][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.763588][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.763588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.763588][ T72] [ 2329.765149][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2329.765149][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2329.765149][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2329.765149][ T72] ipv6_find_idev+0x102/0x170 [ 2329.765149][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.765149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.765149][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.765149][ T72] netlink_unicast+0x449/0x710 [ 2329.765149][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.765149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.765149][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.765149][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.765149][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.765149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.765149][ T72] [ 2329.766870][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2329.767146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2329.767146][ T72] dst_init+0x84/0x4a0 [ 2329.767146][ T72] dst_alloc+0x97/0x150 [ 2329.767146][ T72] ip6_dst_alloc+0x23/0x90 [ 2329.767146][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.767146][ T72] ip6_pol_route+0x56f/0x840 [ 2329.767146][ T72] fib6_rule_lookup+0x456/0x630 [ 2329.767146][ T72] ip6_route_input+0x59c/0xa50 [ 2329.767146][ T72] ipv6_rcv+0x397/0x810 [ 2329.767146][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2329.767146][ T72] process_backlog+0x101/0x620 [ 2329.767146][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2329.767146][ T72] net_rx_action+0x495/0xbe0 [ 2329.767146][ T72] __do_softirq+0x1b5/0x7f6 [ 2329.767146][ T72] [ 2329.768779][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2329.768779][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.768779][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.768779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.768779][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2329.768779][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2329.768779][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2329.768779][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2329.768779][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2329.768779][ T72] addrconf_dad_begin+0x310/0x670 [ 2329.768779][ T72] addrconf_dad_work+0x10b/0xab0 [ 2329.768779][ T72] process_one_work+0x84d/0x18a0 [ 2329.768779][ T72] worker_thread+0x587/0xd30 [ 2329.768779][ T72] kthread+0x28a/0x350 [ 2329.768779][ T72] ret_from_fork+0x31/0x70 [ 2329.768779][ T72] ret_from_fork_asm+0x1a/0x30 [ 2329.768779][ T72] [ 2329.770638][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2329.770638][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.770638][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.770638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.770638][ T72] ip6_route_add+0x1c/0x140 [ 2329.770638][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2329.770638][ T72] inet6_addr_add+0x4f8/0xa40 [ 2329.770638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.770638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.770638][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.770638][ T72] netlink_unicast+0x449/0x710 [ 2329.770638][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.770638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.770638][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.770638][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.770638][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.770638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.770638][ T72] [ 2329.772652][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2329.772652][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.772652][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.772652][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.772652][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2329.772652][ T72] ipv6_add_addr+0x411/0x2000 [ 2329.772652][ T72] inet6_addr_add+0x30e/0xa40 [ 2329.772652][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.772652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.772652][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.772652][ T72] netlink_unicast+0x449/0x710 [ 2329.772652][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.772652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.772652][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.772652][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.772652][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.772652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.772652][ T72] [ 2329.774593][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2329.774593][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.774593][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.774593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.774593][ T72] ip6_route_add+0x1c/0x140 [ 2329.774593][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.774593][ T72] addrconf_add_dev+0xe2/0x170 [ 2329.774593][ T72] inet6_addr_add+0x12f/0xa40 [ 2329.774593][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.774593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.774593][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.774593][ T72] netlink_unicast+0x449/0x710 [ 2329.774593][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.774593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.774593][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.774593][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.774593][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.774593][ T72] [ 2329.776612][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2329.776612][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2329.776612][ T72] ipv6_find_idev+0x102/0x170 [ 2329.776612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.776612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.776612][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.776612][ T72] netlink_unicast+0x449/0x710 [ 2329.776612][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.776612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.776612][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.776612][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.776612][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.776612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.776612][ T72] [ 2329.778161][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2329.778161][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2329.778161][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2329.778161][ T72] ipv6_find_idev+0x102/0x170 [ 2329.778161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.778161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.778161][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.778161][ T72] netlink_unicast+0x449/0x710 [ 2329.778161][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.778161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.778161][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.778161][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.778161][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.778161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.778161][ T72] [ 2329.779985][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2329.780273][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2329.780273][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2329.780273][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2329.780273][ T72] fib6_nh_init+0xa22/0x1580 [ 2329.780273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.780273][ T72] ip6_route_add+0x1c/0x140 [ 2329.780273][ T72] inet6_rtm_newroute+0x104/0x110 [ 2329.780273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.780273][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.780273][ T72] netlink_unicast+0x449/0x710 [ 2329.780273][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.780273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.780273][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.780273][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.780273][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.780273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.780273][ T72] [ 2329.782481][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2329.782481][ T72] dst_init+0x84/0x4a0 [ 2329.782481][ T72] dst_alloc+0x97/0x150 [ 2329.782481][ T72] ip6_dst_alloc+0x23/0x90 [ 2329.782481][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.782481][ T72] ip6_pol_route+0x56f/0x840 [ 2329.782481][ T72] fib6_rule_lookup+0x456/0x630 [ 2329.782481][ T72] ip6_route_input+0x59c/0xa50 [ 2329.782481][ T72] ipv6_rcv+0x397/0x810 [ 2329.782481][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2329.782481][ T72] process_backlog+0x101/0x620 [ 2329.782481][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2329.782481][ T72] net_rx_action+0x495/0xbe0 [ 2329.782481][ T72] __do_softirq+0x1b5/0x7f6 [ 2329.782481][ T72] [ 2329.784303][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2329.784303][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.784303][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.784303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.784303][ T72] ip6_route_add+0x1c/0x140 [ 2329.784303][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2329.784303][ T72] inet6_addr_add+0x4f8/0xa40 [ 2329.784303][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.784303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.784303][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.784303][ T72] netlink_unicast+0x449/0x710 [ 2329.784303][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.784303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.784303][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.784303][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.784303][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.784303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.784303][ T72] [ 2329.786520][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2329.786520][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.786520][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.786520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.786520][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2329.786520][ T72] ipv6_add_addr+0x411/0x2000 [ 2329.786520][ T72] inet6_addr_add+0x30e/0xa40 [ 2329.786520][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.786520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.786520][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.786520][ T72] netlink_unicast+0x449/0x710 [ 2329.786520][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.786520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.786520][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.786520][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.786520][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.786520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.786520][ T72] [ 2329.788645][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2329.788645][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.788645][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.788645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.788645][ T72] ip6_route_add+0x1c/0x140 [ 2329.788645][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.788645][ T72] addrconf_add_dev+0xe2/0x170 [ 2329.788645][ T72] inet6_addr_add+0x12f/0xa40 [ 2329.788645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.788645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.788645][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.788645][ T72] netlink_unicast+0x449/0x710 [ 2329.788645][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.788645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.788645][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.788645][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.788645][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.788645][ T72] [ 2329.790909][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2329.790909][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2329.790909][ T72] ipv6_find_idev+0x102/0x170 [ 2329.790909][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.790909][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.790909][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.790909][ T72] netlink_unicast+0x449/0x710 [ 2329.790909][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.790909][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.790909][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.790909][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.790909][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.790909][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.790909][ T72] [ 2329.792641][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2329.792641][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2329.792641][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2329.792641][ T72] ipv6_find_idev+0x102/0x170 [ 2329.792641][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.792641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.792641][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.792641][ T72] netlink_unicast+0x449/0x710 [ 2329.792641][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.792641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.792641][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.792641][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.792641][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.792641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.792641][ T72] [ 2329.794527][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2329.794809][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2329.794809][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.794809][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.794809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.794809][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2329.794809][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2329.794809][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2329.794809][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2329.794809][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2329.794809][ T72] addrconf_dad_begin+0x310/0x670 [ 2329.794809][ T72] addrconf_dad_work+0x10b/0xab0 [ 2329.794809][ T72] process_one_work+0x84d/0x18a0 [ 2329.794809][ T72] worker_thread+0x587/0xd30 [ 2329.794809][ T72] kthread+0x28a/0x350 [ 2329.794809][ T72] ret_from_fork+0x31/0x70 [ 2329.794809][ T72] ret_from_fork_asm+0x1a/0x30 [ 2329.794809][ T72] [ 2329.796986][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2329.796986][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.796986][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.796986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.796986][ T72] ip6_route_add+0x1c/0x140 [ 2329.796986][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2329.796986][ T72] inet6_addr_add+0x4f8/0xa40 [ 2329.796986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.796986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.796986][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.796986][ T72] netlink_unicast+0x449/0x710 [ 2329.796986][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.796986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.796986][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.796986][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.796986][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.796986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.796986][ T72] [ 2329.799783][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2329.799783][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.799783][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.799783][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.799783][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2329.799783][ T72] ipv6_add_addr+0x411/0x2000 [ 2329.799783][ T72] inet6_addr_add+0x30e/0xa40 [ 2329.799783][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.799783][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.799783][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.799783][ T72] netlink_unicast+0x449/0x710 [ 2329.799783][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.799783][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.799783][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.799783][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.799783][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.799783][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.799783][ T72] [ 2329.802096][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2329.802096][ T72] netdev_get_by_index+0x5e/0x80 [ 2329.802096][ T72] fib6_nh_init+0x3d8/0x1580 [ 2329.802096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2329.802096][ T72] ip6_route_add+0x1c/0x140 [ 2329.802096][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.802096][ T72] addrconf_add_dev+0xe2/0x170 [ 2329.802096][ T72] inet6_addr_add+0x12f/0xa40 [ 2329.802096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.802096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.802096][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.802096][ T72] netlink_unicast+0x449/0x710 [ 2329.802096][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.802096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.802096][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.802096][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.802096][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.802096][ T72] [ 2329.804242][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2329.804242][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2329.804242][ T72] ipv6_find_idev+0x102/0x170 [ 2329.804242][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.804242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.804242][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.804242][ T72] netlink_unicast+0x449/0x710 [ 2329.804242][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.804242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.804242][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.804242][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.804242][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.804242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.804242][ T72] [ 2329.805987][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2329.805987][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2329.805987][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2329.805987][ T72] ipv6_find_idev+0x102/0x170 [ 2329.805987][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.805987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.805987][ T72] netlink_rcv_skb+0x130/0x360 [ 2329.805987][ T72] netlink_unicast+0x449/0x710 [ 2329.805987][ T72] netlink_sendmsg+0x723/0xbe0 [ 2329.805987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2329.805987][ T72] ___sys_sendmsg+0xee/0x170 [ 2329.805987][ T72] __sys_sendmsg+0xcd/0x170 [ 2329.805987][ T72] do_syscall_64+0xc6/0x1e0 [ 2329.805987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.805987][ T72] [ 2340.337003][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2340.337495][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2340.337495][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2340.337495][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2340.337495][ T72] fib6_nh_init+0xa22/0x1580 [ 2340.337495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.337495][ T72] ip6_route_add+0x1c/0x140 [ 2340.337495][ T72] inet6_rtm_newroute+0x104/0x110 [ 2340.337495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.337495][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.337495][ T72] netlink_unicast+0x449/0x710 [ 2340.337495][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.337495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.337495][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.337495][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.337495][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.337495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.337495][ T72] [ 2340.339409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2340.339409][ T72] dst_init+0x84/0x4a0 [ 2340.339409][ T72] dst_alloc+0x97/0x150 [ 2340.339409][ T72] ip6_dst_alloc+0x23/0x90 [ 2340.339409][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2340.339409][ T72] ip6_pol_route+0x56f/0x840 [ 2340.339409][ T72] fib6_rule_lookup+0x456/0x630 [ 2340.339409][ T72] ip6_route_input+0x59c/0xa50 [ 2340.339409][ T72] ipv6_rcv+0x397/0x810 [ 2340.339409][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2340.339409][ T72] process_backlog+0x101/0x620 [ 2340.339409][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2340.339409][ T72] net_rx_action+0x495/0xbe0 [ 2340.339409][ T72] __do_softirq+0x1b5/0x7f6 [ 2340.339409][ T72] [ 2340.341041][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2340.341041][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.341041][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.341041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.341041][ T72] ip6_route_add+0x1c/0x140 [ 2340.341041][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2340.341041][ T72] inet6_addr_add+0x4f8/0xa40 [ 2340.341041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.341041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.341041][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.341041][ T72] netlink_unicast+0x449/0x710 [ 2340.341041][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.341041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.341041][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.341041][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.341041][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.341041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.341041][ T72] [ 2340.343023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2340.343023][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.343023][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.343023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.343023][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2340.343023][ T72] ipv6_add_addr+0x411/0x2000 [ 2340.343023][ T72] inet6_addr_add+0x30e/0xa40 [ 2340.343023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.343023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.343023][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.343023][ T72] netlink_unicast+0x449/0x710 [ 2340.343023][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.343023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.343023][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.343023][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.343023][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.343023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.343023][ T72] [ 2340.345012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2340.345012][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.345012][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.345012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.345012][ T72] ip6_route_add+0x1c/0x140 [ 2340.345012][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2340.345012][ T72] addrconf_add_dev+0xe2/0x170 [ 2340.345012][ T72] inet6_addr_add+0x12f/0xa40 [ 2340.345012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.345012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.345012][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.345012][ T72] netlink_unicast+0x449/0x710 [ 2340.345012][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.345012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.345012][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.345012][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.345012][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.345012][ T72] [ 2340.346992][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2340.346992][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2340.346992][ T72] ipv6_find_idev+0x102/0x170 [ 2340.346992][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.346992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.346992][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.346992][ T72] netlink_unicast+0x449/0x710 [ 2340.346992][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.346992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.346992][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.346992][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.346992][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.346992][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.346992][ T72] [ 2340.348519][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2340.348519][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2340.348519][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2340.348519][ T72] ipv6_find_idev+0x102/0x170 [ 2340.348519][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.348519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.348519][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.348519][ T72] netlink_unicast+0x449/0x710 [ 2340.348519][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.348519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.348519][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.348519][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.348519][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.348519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.348519][ T72] [ 2340.350183][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2340.350466][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2340.350466][ T72] dst_init+0x84/0x4a0 [ 2340.350466][ T72] dst_alloc+0x97/0x150 [ 2340.350466][ T72] ip6_dst_alloc+0x23/0x90 [ 2340.350466][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2340.350466][ T72] ip6_pol_route+0x56f/0x840 [ 2340.350466][ T72] fib6_rule_lookup+0x456/0x630 [ 2340.350466][ T72] ip6_route_input+0x59c/0xa50 [ 2340.350466][ T72] ipv6_rcv+0x397/0x810 [ 2340.350466][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2340.350466][ T72] process_backlog+0x101/0x620 [ 2340.350466][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2340.350466][ T72] net_rx_action+0x495/0xbe0 [ 2340.350466][ T72] __do_softirq+0x1b5/0x7f6 [ 2340.350466][ T72] [ 2340.352147][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2340.352147][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.352147][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.352147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.352147][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2340.352147][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2340.352147][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2340.352147][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2340.352147][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2340.352147][ T72] addrconf_dad_begin+0x310/0x670 [ 2340.352147][ T72] addrconf_dad_work+0x10b/0xab0 [ 2340.352147][ T72] process_one_work+0x84d/0x18a0 [ 2340.352147][ T72] worker_thread+0x587/0xd30 [ 2340.352147][ T72] kthread+0x28a/0x350 [ 2340.352147][ T72] ret_from_fork+0x31/0x70 [ 2340.352147][ T72] ret_from_fork_asm+0x1a/0x30 [ 2340.352147][ T72] [ 2340.354043][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2340.354043][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.354043][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.354043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.354043][ T72] ip6_route_add+0x1c/0x140 [ 2340.354043][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2340.354043][ T72] inet6_addr_add+0x4f8/0xa40 [ 2340.354043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.354043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.354043][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.354043][ T72] netlink_unicast+0x449/0x710 [ 2340.354043][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.354043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.354043][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.354043][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.354043][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.354043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.354043][ T72] [ 2340.356028][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2340.356028][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.356028][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.356028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.356028][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2340.356028][ T72] ipv6_add_addr+0x411/0x2000 [ 2340.356028][ T72] inet6_addr_add+0x30e/0xa40 [ 2340.356028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.356028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.356028][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.356028][ T72] netlink_unicast+0x449/0x710 [ 2340.356028][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.356028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.356028][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.356028][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.356028][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.356028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.356028][ T72] [ 2340.358009][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2340.358009][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.358009][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.358009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.358009][ T72] ip6_route_add+0x1c/0x140 [ 2340.358009][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2340.358009][ T72] addrconf_add_dev+0xe2/0x170 [ 2340.358009][ T72] inet6_addr_add+0x12f/0xa40 [ 2340.358009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.358009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.358009][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.358009][ T72] netlink_unicast+0x449/0x710 [ 2340.358009][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.358009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.358009][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.358009][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.358009][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.358009][ T72] [ 2340.359983][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2340.359983][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2340.359983][ T72] ipv6_find_idev+0x102/0x170 [ 2340.359983][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.359983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.359983][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.359983][ T72] netlink_unicast+0x449/0x710 [ 2340.359983][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.359983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.359983][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.359983][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.359983][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.359983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.359983][ T72] [ 2340.361508][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2340.361508][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2340.361508][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2340.361508][ T72] ipv6_find_idev+0x102/0x170 [ 2340.361508][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.361508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.361508][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.361508][ T72] netlink_unicast+0x449/0x710 [ 2340.361508][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.361508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.361508][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.361508][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.361508][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.361508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.361508][ T72] [ 2340.363225][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2340.363550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2340.363550][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2340.363550][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2340.363550][ T72] fib6_nh_init+0xa22/0x1580 [ 2340.363550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.363550][ T72] ip6_route_add+0x1c/0x140 [ 2340.363550][ T72] inet6_rtm_newroute+0x104/0x110 [ 2340.363550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.363550][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.363550][ T72] netlink_unicast+0x449/0x710 [ 2340.363550][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.363550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.363550][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.363550][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.363550][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.363550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.363550][ T72] [ 2340.365651][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2340.365651][ T72] dst_init+0x84/0x4a0 [ 2340.365651][ T72] dst_alloc+0x97/0x150 [ 2340.365651][ T72] ip6_dst_alloc+0x23/0x90 [ 2340.365651][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2340.365651][ T72] ip6_pol_route+0x56f/0x840 [ 2340.365651][ T72] fib6_rule_lookup+0x456/0x630 [ 2340.365651][ T72] ip6_route_input+0x59c/0xa50 [ 2340.365651][ T72] ipv6_rcv+0x397/0x810 [ 2340.365651][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2340.365651][ T72] process_backlog+0x101/0x620 [ 2340.365651][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2340.365651][ T72] net_rx_action+0x495/0xbe0 [ 2340.365651][ T72] __do_softirq+0x1b5/0x7f6 [ 2340.365651][ T72] [ 2340.367470][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2340.367470][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.367470][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.367470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.367470][ T72] ip6_route_add+0x1c/0x140 [ 2340.367470][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2340.367470][ T72] inet6_addr_add+0x4f8/0xa40 [ 2340.367470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.367470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.367470][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.367470][ T72] netlink_unicast+0x449/0x710 [ 2340.367470][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.367470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.367470][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.367470][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.367470][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.367470][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.367470][ T72] [ 2340.369704][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2340.369704][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.369704][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.369704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.369704][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2340.369704][ T72] ipv6_add_addr+0x411/0x2000 [ 2340.369704][ T72] inet6_addr_add+0x30e/0xa40 [ 2340.369704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.369704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.369704][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.369704][ T72] netlink_unicast+0x449/0x710 [ 2340.369704][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.369704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.369704][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.369704][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.369704][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.369704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.369704][ T72] [ 2340.371949][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2340.371949][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.371949][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.371949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.371949][ T72] ip6_route_add+0x1c/0x140 [ 2340.371949][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2340.371949][ T72] addrconf_add_dev+0xe2/0x170 [ 2340.371949][ T72] inet6_addr_add+0x12f/0xa40 [ 2340.371949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.371949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.371949][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.371949][ T72] netlink_unicast+0x449/0x710 [ 2340.371949][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.371949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.371949][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.371949][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.371949][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.371949][ T72] [ 2340.374201][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2340.374201][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2340.374201][ T72] ipv6_find_idev+0x102/0x170 [ 2340.374201][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.374201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.374201][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.374201][ T72] netlink_unicast+0x449/0x710 [ 2340.374201][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.374201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.374201][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.374201][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.374201][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.374201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.374201][ T72] [ 2340.376443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2340.376443][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2340.376443][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2340.376443][ T72] ipv6_find_idev+0x102/0x170 [ 2340.376443][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.376443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.376443][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.376443][ T72] netlink_unicast+0x449/0x710 [ 2340.376443][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.376443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.376443][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.376443][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.376443][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.376443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.376443][ T72] [ 2340.378298][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2340.378624][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2340.378624][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.378624][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.378624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.378624][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2340.378624][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2340.378624][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2340.378624][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2340.378624][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2340.378624][ T72] addrconf_dad_begin+0x310/0x670 [ 2340.378624][ T72] addrconf_dad_work+0x10b/0xab0 [ 2340.378624][ T72] process_one_work+0x84d/0x18a0 [ 2340.378624][ T72] worker_thread+0x587/0xd30 [ 2340.378624][ T72] kthread+0x28a/0x350 [ 2340.378624][ T72] ret_from_fork+0x31/0x70 [ 2340.378624][ T72] ret_from_fork_asm+0x1a/0x30 [ 2340.378624][ T72] [ 2340.380712][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2340.380712][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.380712][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.380712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.380712][ T72] ip6_route_add+0x1c/0x140 [ 2340.380712][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2340.380712][ T72] inet6_addr_add+0x4f8/0xa40 [ 2340.380712][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.380712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.380712][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.380712][ T72] netlink_unicast+0x449/0x710 [ 2340.380712][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.380712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.380712][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.380712][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.380712][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.380712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.380712][ T72] [ 2340.382935][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2340.382935][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.382935][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.382935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.382935][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2340.382935][ T72] ipv6_add_addr+0x411/0x2000 [ 2340.382935][ T72] inet6_addr_add+0x30e/0xa40 [ 2340.382935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.382935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.382935][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.382935][ T72] netlink_unicast+0x449/0x710 [ 2340.382935][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.382935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.382935][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.382935][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.382935][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.382935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.382935][ T72] [ 2340.385216][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2340.385216][ T72] netdev_get_by_index+0x5e/0x80 [ 2340.385216][ T72] fib6_nh_init+0x3d8/0x1580 [ 2340.385216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2340.385216][ T72] ip6_route_add+0x1c/0x140 [ 2340.385216][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2340.385216][ T72] addrconf_add_dev+0xe2/0x170 [ 2340.385216][ T72] inet6_addr_add+0x12f/0xa40 [ 2340.385216][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2340.385216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.385216][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.385216][ T72] netlink_unicast+0x449/0x710 [ 2340.385216][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.385216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.385216][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.385216][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.385216][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.385216][ T72] [ 2340.387433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2340.387433][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2340.387433][ T72] ipv6_find_idev+0x102/0x170 [ 2340.387433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.387433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.387433][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.387433][ T72] netlink_unicast+0x449/0x710 [ 2340.387433][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.387433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.387433][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.387433][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.387433][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.387433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.387433][ T72] [ 2340.389137][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2340.389137][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2340.389137][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2340.389137][ T72] ipv6_find_idev+0x102/0x170 [ 2340.389137][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2340.389137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2340.389137][ T72] netlink_rcv_skb+0x130/0x360 [ 2340.389137][ T72] netlink_unicast+0x449/0x710 [ 2340.389137][ T72] netlink_sendmsg+0x723/0xbe0 [ 2340.389137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2340.389137][ T72] ___sys_sendmsg+0xee/0x170 [ 2340.389137][ T72] __sys_sendmsg+0xcd/0x170 [ 2340.389137][ T72] do_syscall_64+0xc6/0x1e0 [ 2340.389137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2340.389137][ T72] [ 2350.632977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2350.633493][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2350.633493][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2350.633493][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2350.633493][ T72] fib6_nh_init+0xa22/0x1580 [ 2350.633493][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.633493][ T72] ip6_route_add+0x1c/0x140 [ 2350.633493][ T72] inet6_rtm_newroute+0x104/0x110 [ 2350.633493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.633493][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.633493][ T72] netlink_unicast+0x449/0x710 [ 2350.633493][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.633493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.633493][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.633493][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.633493][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.633493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.633493][ T72] [ 2350.635400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2350.635400][ T72] dst_init+0x84/0x4a0 [ 2350.635400][ T72] dst_alloc+0x97/0x150 [ 2350.635400][ T72] ip6_dst_alloc+0x23/0x90 [ 2350.635400][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.635400][ T72] ip6_pol_route+0x56f/0x840 [ 2350.635400][ T72] fib6_rule_lookup+0x456/0x630 [ 2350.635400][ T72] ip6_route_input+0x59c/0xa50 [ 2350.635400][ T72] ipv6_rcv+0x397/0x810 [ 2350.635400][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2350.635400][ T72] process_backlog+0x101/0x620 [ 2350.635400][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2350.635400][ T72] net_rx_action+0x495/0xbe0 [ 2350.635400][ T72] __do_softirq+0x1b5/0x7f6 [ 2350.635400][ T72] [ 2350.637056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2350.637056][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.637056][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.637056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.637056][ T72] ip6_route_add+0x1c/0x140 [ 2350.637056][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2350.637056][ T72] inet6_addr_add+0x4f8/0xa40 [ 2350.637056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.637056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.637056][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.637056][ T72] netlink_unicast+0x449/0x710 [ 2350.637056][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.637056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.637056][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.637056][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.637056][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.637056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.637056][ T72] [ 2350.639113][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2350.639113][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.639113][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.639113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.639113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2350.639113][ T72] ipv6_add_addr+0x411/0x2000 [ 2350.639113][ T72] inet6_addr_add+0x30e/0xa40 [ 2350.639113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.639113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.639113][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.639113][ T72] netlink_unicast+0x449/0x710 [ 2350.639113][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.639113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.639113][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.639113][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.639113][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.639113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.639113][ T72] [ 2350.641038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2350.641038][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.641038][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.641038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.641038][ T72] ip6_route_add+0x1c/0x140 [ 2350.641038][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.641038][ T72] addrconf_add_dev+0xe2/0x170 [ 2350.641038][ T72] inet6_addr_add+0x12f/0xa40 [ 2350.641038][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.641038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.641038][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.641038][ T72] netlink_unicast+0x449/0x710 [ 2350.641038][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.641038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.641038][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.641038][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.641038][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.641038][ T72] [ 2350.642996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2350.642996][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2350.642996][ T72] ipv6_find_idev+0x102/0x170 [ 2350.642996][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.642996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.642996][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.642996][ T72] netlink_unicast+0x449/0x710 [ 2350.642996][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.642996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.642996][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.642996][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.642996][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.642996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.642996][ T72] [ 2350.644516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2350.644516][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2350.644516][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2350.644516][ T72] ipv6_find_idev+0x102/0x170 [ 2350.644516][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.644516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.644516][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.644516][ T72] netlink_unicast+0x449/0x710 [ 2350.644516][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.644516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.644516][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.644516][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.644516][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.644516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.644516][ T72] [ 2350.646179][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2350.646467][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2350.646467][ T72] dst_init+0x84/0x4a0 [ 2350.646467][ T72] dst_alloc+0x97/0x150 [ 2350.646467][ T72] ip6_dst_alloc+0x23/0x90 [ 2350.646467][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.646467][ T72] ip6_pol_route+0x56f/0x840 [ 2350.646467][ T72] fib6_rule_lookup+0x456/0x630 [ 2350.646467][ T72] ip6_route_input+0x59c/0xa50 [ 2350.646467][ T72] ipv6_rcv+0x397/0x810 [ 2350.646467][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2350.646467][ T72] process_backlog+0x101/0x620 [ 2350.646467][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2350.646467][ T72] net_rx_action+0x495/0xbe0 [ 2350.646467][ T72] __do_softirq+0x1b5/0x7f6 [ 2350.646467][ T72] [ 2350.648125][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2350.648125][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.648125][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.648125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.648125][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2350.648125][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2350.648125][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2350.648125][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2350.648125][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2350.648125][ T72] addrconf_dad_begin+0x310/0x670 [ 2350.648125][ T72] addrconf_dad_work+0x10b/0xab0 [ 2350.648125][ T72] process_one_work+0x84d/0x18a0 [ 2350.648125][ T72] worker_thread+0x587/0xd30 [ 2350.648125][ T72] kthread+0x28a/0x350 [ 2350.648125][ T72] ret_from_fork+0x31/0x70 [ 2350.648125][ T72] ret_from_fork_asm+0x1a/0x30 [ 2350.648125][ T72] [ 2350.650290][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2350.650290][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.650290][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.650290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.650290][ T72] ip6_route_add+0x1c/0x140 [ 2350.650290][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2350.650290][ T72] inet6_addr_add+0x4f8/0xa40 [ 2350.650290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.650290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.650290][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.650290][ T72] netlink_unicast+0x449/0x710 [ 2350.650290][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.650290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.650290][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.650290][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.650290][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.650290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.650290][ T72] [ 2350.652289][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2350.652289][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.652289][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.652289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.652289][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2350.652289][ T72] ipv6_add_addr+0x411/0x2000 [ 2350.652289][ T72] inet6_addr_add+0x30e/0xa40 [ 2350.652289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.652289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.652289][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.652289][ T72] netlink_unicast+0x449/0x710 [ 2350.652289][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.652289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.652289][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.652289][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.652289][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.652289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.652289][ T72] [ 2350.654321][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2350.654321][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.654321][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.654321][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.654321][ T72] ip6_route_add+0x1c/0x140 [ 2350.654321][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.654321][ T72] addrconf_add_dev+0xe2/0x170 [ 2350.654321][ T72] inet6_addr_add+0x12f/0xa40 [ 2350.654321][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.654321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.654321][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.654321][ T72] netlink_unicast+0x449/0x710 [ 2350.654321][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.654321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.654321][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.654321][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.654321][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.654321][ T72] [ 2350.656232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2350.656232][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2350.656232][ T72] ipv6_find_idev+0x102/0x170 [ 2350.656232][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.656232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.656232][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.656232][ T72] netlink_unicast+0x449/0x710 [ 2350.656232][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.656232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.656232][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.656232][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.656232][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.656232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.656232][ T72] [ 2350.657796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2350.657796][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2350.657796][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2350.657796][ T72] ipv6_find_idev+0x102/0x170 [ 2350.657796][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.657796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.657796][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.657796][ T72] netlink_unicast+0x449/0x710 [ 2350.657796][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.657796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.657796][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.657796][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.657796][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.657796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.657796][ T72] [ 2350.659602][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2350.659894][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2350.659894][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2350.659894][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2350.659894][ T72] fib6_nh_init+0xa22/0x1580 [ 2350.659894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.659894][ T72] ip6_route_add+0x1c/0x140 [ 2350.659894][ T72] inet6_rtm_newroute+0x104/0x110 [ 2350.659894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.659894][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.659894][ T72] netlink_unicast+0x449/0x710 [ 2350.659894][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.659894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.659894][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.659894][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.659894][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.659894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.659894][ T72] [ 2350.662080][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2350.662080][ T72] dst_init+0x84/0x4a0 [ 2350.662080][ T72] dst_alloc+0x97/0x150 [ 2350.662080][ T72] ip6_dst_alloc+0x23/0x90 [ 2350.662080][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.662080][ T72] ip6_pol_route+0x56f/0x840 [ 2350.662080][ T72] fib6_rule_lookup+0x456/0x630 [ 2350.662080][ T72] ip6_route_input+0x59c/0xa50 [ 2350.662080][ T72] ipv6_rcv+0x397/0x810 [ 2350.662080][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2350.662080][ T72] process_backlog+0x101/0x620 [ 2350.662080][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2350.662080][ T72] net_rx_action+0x495/0xbe0 [ 2350.662080][ T72] __do_softirq+0x1b5/0x7f6 [ 2350.662080][ T72] [ 2350.663923][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2350.663923][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.663923][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.663923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.663923][ T72] ip6_route_add+0x1c/0x140 [ 2350.663923][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2350.663923][ T72] inet6_addr_add+0x4f8/0xa40 [ 2350.663923][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.663923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.663923][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.663923][ T72] netlink_unicast+0x449/0x710 [ 2350.663923][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.663923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.663923][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.663923][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.663923][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.663923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.663923][ T72] [ 2350.666174][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2350.666174][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.666174][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.666174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.666174][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2350.666174][ T72] ipv6_add_addr+0x411/0x2000 [ 2350.666174][ T72] inet6_addr_add+0x30e/0xa40 [ 2350.666174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.666174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.666174][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.666174][ T72] netlink_unicast+0x449/0x710 [ 2350.666174][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.666174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.666174][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.666174][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.666174][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.666174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.666174][ T72] [ 2350.668382][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2350.668382][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.668382][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.668382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.668382][ T72] ip6_route_add+0x1c/0x140 [ 2350.668382][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.668382][ T72] addrconf_add_dev+0xe2/0x170 [ 2350.668382][ T72] inet6_addr_add+0x12f/0xa40 [ 2350.668382][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.668382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.668382][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.668382][ T72] netlink_unicast+0x449/0x710 [ 2350.668382][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.668382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.668382][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.668382][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.668382][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.668382][ T72] [ 2350.670659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2350.670659][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2350.670659][ T72] ipv6_find_idev+0x102/0x170 [ 2350.670659][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.670659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.670659][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.670659][ T72] netlink_unicast+0x449/0x710 [ 2350.670659][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.670659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.670659][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.670659][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.670659][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.670659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.670659][ T72] [ 2350.672367][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2350.672367][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2350.672367][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2350.672367][ T72] ipv6_find_idev+0x102/0x170 [ 2350.672367][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.672367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.672367][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.672367][ T72] netlink_unicast+0x449/0x710 [ 2350.672367][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.672367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.672367][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.672367][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.672367][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.672367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.672367][ T72] [ 2350.674269][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2350.674607][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2350.674607][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.674607][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.674607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.674607][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2350.674607][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2350.674607][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2350.674607][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2350.674607][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2350.674607][ T72] addrconf_dad_begin+0x310/0x670 [ 2350.674607][ T72] addrconf_dad_work+0x10b/0xab0 [ 2350.674607][ T72] process_one_work+0x84d/0x18a0 [ 2350.674607][ T72] worker_thread+0x587/0xd30 [ 2350.674607][ T72] kthread+0x28a/0x350 [ 2350.674607][ T72] ret_from_fork+0x31/0x70 [ 2350.674607][ T72] ret_from_fork_asm+0x1a/0x30 [ 2350.674607][ T72] [ 2350.676623][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2350.676623][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.676623][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.676623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.676623][ T72] ip6_route_add+0x1c/0x140 [ 2350.676623][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2350.676623][ T72] inet6_addr_add+0x4f8/0xa40 [ 2350.676623][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.676623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.676623][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.676623][ T72] netlink_unicast+0x449/0x710 [ 2350.676623][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.676623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.676623][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.676623][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.676623][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.676623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.676623][ T72] [ 2350.678901][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2350.678901][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.678901][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.678901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.678901][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2350.678901][ T72] ipv6_add_addr+0x411/0x2000 [ 2350.678901][ T72] inet6_addr_add+0x30e/0xa40 [ 2350.678901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.678901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.678901][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.678901][ T72] netlink_unicast+0x449/0x710 [ 2350.678901][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.678901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.678901][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.678901][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.678901][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.678901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.678901][ T72] [ 2350.681212][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2350.681212][ T72] netdev_get_by_index+0x5e/0x80 [ 2350.681212][ T72] fib6_nh_init+0x3d8/0x1580 [ 2350.681212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2350.681212][ T72] ip6_route_add+0x1c/0x140 [ 2350.681212][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.681212][ T72] addrconf_add_dev+0xe2/0x170 [ 2350.681212][ T72] inet6_addr_add+0x12f/0xa40 [ 2350.681212][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.681212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.681212][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.681212][ T72] netlink_unicast+0x449/0x710 [ 2350.681212][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.681212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.681212][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.681212][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.681212][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.681212][ T72] [ 2350.683398][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2350.683398][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2350.683398][ T72] ipv6_find_idev+0x102/0x170 [ 2350.683398][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.683398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.683398][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.683398][ T72] netlink_unicast+0x449/0x710 [ 2350.683398][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.683398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.683398][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.683398][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.683398][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.683398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.683398][ T72] [ 2350.685151][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2350.685151][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2350.685151][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2350.685151][ T72] ipv6_find_idev+0x102/0x170 [ 2350.685151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.685151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.685151][ T72] netlink_rcv_skb+0x130/0x360 [ 2350.685151][ T72] netlink_unicast+0x449/0x710 [ 2350.685151][ T72] netlink_sendmsg+0x723/0xbe0 [ 2350.685151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2350.685151][ T72] ___sys_sendmsg+0xee/0x170 [ 2350.685151][ T72] __sys_sendmsg+0xcd/0x170 [ 2350.685151][ T72] do_syscall_64+0xc6/0x1e0 [ 2350.685151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.685151][ T72] [ 2360.936920][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2360.937491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2360.937491][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2360.937491][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2360.937491][ T72] fib6_nh_init+0xa22/0x1580 [ 2360.937491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.937491][ T72] ip6_route_add+0x1c/0x140 [ 2360.937491][ T72] inet6_rtm_newroute+0x104/0x110 [ 2360.937491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.937491][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.937491][ T72] netlink_unicast+0x449/0x710 [ 2360.937491][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.937491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.937491][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.937491][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.937491][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.937491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.937491][ T72] [ 2360.939366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2360.939366][ T72] dst_init+0x84/0x4a0 [ 2360.939366][ T72] dst_alloc+0x97/0x150 [ 2360.939366][ T72] ip6_dst_alloc+0x23/0x90 [ 2360.939366][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.939366][ T72] ip6_pol_route+0x56f/0x840 [ 2360.939366][ T72] fib6_rule_lookup+0x456/0x630 [ 2360.939366][ T72] ip6_route_input+0x59c/0xa50 [ 2360.939366][ T72] ipv6_rcv+0x397/0x810 [ 2360.939366][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2360.939366][ T72] process_backlog+0x101/0x620 [ 2360.939366][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2360.939366][ T72] net_rx_action+0x495/0xbe0 [ 2360.939366][ T72] __do_softirq+0x1b5/0x7f6 [ 2360.939366][ T72] [ 2360.941072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2360.941072][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.941072][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.941072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.941072][ T72] ip6_route_add+0x1c/0x140 [ 2360.941072][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2360.941072][ T72] inet6_addr_add+0x4f8/0xa40 [ 2360.941072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.941072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.941072][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.941072][ T72] netlink_unicast+0x449/0x710 [ 2360.941072][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.941072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.941072][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.941072][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.941072][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.941072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.941072][ T72] [ 2360.943072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2360.943072][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.943072][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.943072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.943072][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2360.943072][ T72] ipv6_add_addr+0x411/0x2000 [ 2360.943072][ T72] inet6_addr_add+0x30e/0xa40 [ 2360.943072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.943072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.943072][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.943072][ T72] netlink_unicast+0x449/0x710 [ 2360.943072][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.943072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.943072][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.943072][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.943072][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.943072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.943072][ T72] [ 2360.945091][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2360.945091][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.945091][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.945091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.945091][ T72] ip6_route_add+0x1c/0x140 [ 2360.945091][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.945091][ T72] addrconf_add_dev+0xe2/0x170 [ 2360.945091][ T72] inet6_addr_add+0x12f/0xa40 [ 2360.945091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.945091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.945091][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.945091][ T72] netlink_unicast+0x449/0x710 [ 2360.945091][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.945091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.945091][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.945091][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.945091][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.945091][ T72] [ 2360.947082][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2360.947082][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2360.947082][ T72] ipv6_find_idev+0x102/0x170 [ 2360.947082][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.947082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.947082][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.947082][ T72] netlink_unicast+0x449/0x710 [ 2360.947082][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.947082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.947082][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.947082][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.947082][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.947082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.947082][ T72] [ 2360.948633][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2360.948633][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2360.948633][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2360.948633][ T72] ipv6_find_idev+0x102/0x170 [ 2360.948633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.948633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.948633][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.948633][ T72] netlink_unicast+0x449/0x710 [ 2360.948633][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.948633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.948633][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.948633][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.948633][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.948633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.948633][ T72] [ 2360.950742][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2360.951044][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2360.951044][ T72] dst_init+0x84/0x4a0 [ 2360.951044][ T72] dst_alloc+0x97/0x150 [ 2360.951044][ T72] ip6_dst_alloc+0x23/0x90 [ 2360.951044][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.951044][ T72] ip6_pol_route+0x56f/0x840 [ 2360.951044][ T72] fib6_rule_lookup+0x456/0x630 [ 2360.951044][ T72] ip6_route_input+0x59c/0xa50 [ 2360.951044][ T72] ipv6_rcv+0x397/0x810 [ 2360.951044][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2360.951044][ T72] process_backlog+0x101/0x620 [ 2360.951044][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2360.951044][ T72] net_rx_action+0x495/0xbe0 [ 2360.951044][ T72] __do_softirq+0x1b5/0x7f6 [ 2360.951044][ T72] [ 2360.952709][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2360.952709][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.952709][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.952709][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.952709][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2360.952709][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2360.952709][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2360.952709][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2360.952709][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2360.952709][ T72] addrconf_dad_begin+0x310/0x670 [ 2360.952709][ T72] addrconf_dad_work+0x10b/0xab0 [ 2360.952709][ T72] process_one_work+0x84d/0x18a0 [ 2360.952709][ T72] worker_thread+0x587/0xd30 [ 2360.952709][ T72] kthread+0x28a/0x350 [ 2360.952709][ T72] ret_from_fork+0x31/0x70 [ 2360.952709][ T72] ret_from_fork_asm+0x1a/0x30 [ 2360.952709][ T72] [ 2360.954626][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2360.954626][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.954626][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.954626][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.954626][ T72] ip6_route_add+0x1c/0x140 [ 2360.954626][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2360.954626][ T72] inet6_addr_add+0x4f8/0xa40 [ 2360.954626][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.954626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.954626][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.954626][ T72] netlink_unicast+0x449/0x710 [ 2360.954626][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.954626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.954626][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.954626][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.954626][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.954626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.954626][ T72] [ 2360.956601][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2360.956601][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.956601][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.956601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.956601][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2360.956601][ T72] ipv6_add_addr+0x411/0x2000 [ 2360.956601][ T72] inet6_addr_add+0x30e/0xa40 [ 2360.956601][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.956601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.956601][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.956601][ T72] netlink_unicast+0x449/0x710 [ 2360.956601][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.956601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.956601][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.956601][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.956601][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.956601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.956601][ T72] [ 2360.958629][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2360.958629][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.958629][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.958629][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.958629][ T72] ip6_route_add+0x1c/0x140 [ 2360.958629][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.958629][ T72] addrconf_add_dev+0xe2/0x170 [ 2360.958629][ T72] inet6_addr_add+0x12f/0xa40 [ 2360.958629][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.958629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.958629][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.958629][ T72] netlink_unicast+0x449/0x710 [ 2360.958629][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.958629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.958629][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.958629][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.958629][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.958629][ T72] [ 2360.960616][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2360.960616][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2360.960616][ T72] ipv6_find_idev+0x102/0x170 [ 2360.960616][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.960616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.960616][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.960616][ T72] netlink_unicast+0x449/0x710 [ 2360.960616][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.960616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.960616][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.960616][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.960616][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.960616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.960616][ T72] [ 2360.962165][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2360.962165][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2360.962165][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2360.962165][ T72] ipv6_find_idev+0x102/0x170 [ 2360.962165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.962165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.962165][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.962165][ T72] netlink_unicast+0x449/0x710 [ 2360.962165][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.962165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.962165][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.962165][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.962165][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.962165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.962165][ T72] [ 2360.963934][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2360.964232][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2360.964232][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2360.964232][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2360.964232][ T72] fib6_nh_init+0xa22/0x1580 [ 2360.964232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.964232][ T72] ip6_route_add+0x1c/0x140 [ 2360.964232][ T72] inet6_rtm_newroute+0x104/0x110 [ 2360.964232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.964232][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.964232][ T72] netlink_unicast+0x449/0x710 [ 2360.964232][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.964232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.964232][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.964232][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.964232][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.964232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.964232][ T72] [ 2360.966325][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2360.966325][ T72] dst_init+0x84/0x4a0 [ 2360.966325][ T72] dst_alloc+0x97/0x150 [ 2360.966325][ T72] ip6_dst_alloc+0x23/0x90 [ 2360.966325][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.966325][ T72] ip6_pol_route+0x56f/0x840 [ 2360.966325][ T72] fib6_rule_lookup+0x456/0x630 [ 2360.966325][ T72] ip6_route_input+0x59c/0xa50 [ 2360.966325][ T72] ipv6_rcv+0x397/0x810 [ 2360.966325][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2360.966325][ T72] process_backlog+0x101/0x620 [ 2360.966325][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2360.966325][ T72] net_rx_action+0x495/0xbe0 [ 2360.966325][ T72] __do_softirq+0x1b5/0x7f6 [ 2360.966325][ T72] [ 2360.968042][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2360.968042][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.968042][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.968042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.968042][ T72] ip6_route_add+0x1c/0x140 [ 2360.968042][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2360.968042][ T72] inet6_addr_add+0x4f8/0xa40 [ 2360.968042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.968042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.968042][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.968042][ T72] netlink_unicast+0x449/0x710 [ 2360.968042][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.968042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.968042][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.968042][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.968042][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.968042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.968042][ T72] [ 2360.970210][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2360.970210][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.970210][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.970210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.970210][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2360.970210][ T72] ipv6_add_addr+0x411/0x2000 [ 2360.970210][ T72] inet6_addr_add+0x30e/0xa40 [ 2360.970210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.970210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.970210][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.970210][ T72] netlink_unicast+0x449/0x710 [ 2360.970210][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.970210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.970210][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.970210][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.970210][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.970210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.970210][ T72] [ 2360.972341][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2360.972341][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.972341][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.972341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.972341][ T72] ip6_route_add+0x1c/0x140 [ 2360.972341][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.972341][ T72] addrconf_add_dev+0xe2/0x170 [ 2360.972341][ T72] inet6_addr_add+0x12f/0xa40 [ 2360.972341][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.972341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.972341][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.972341][ T72] netlink_unicast+0x449/0x710 [ 2360.972341][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.972341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.972341][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.972341][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.972341][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.972341][ T72] [ 2360.974505][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2360.974505][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2360.974505][ T72] ipv6_find_idev+0x102/0x170 [ 2360.974505][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.974505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.974505][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.974505][ T72] netlink_unicast+0x449/0x710 [ 2360.974505][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.974505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.974505][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.974505][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.974505][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.974505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.974505][ T72] [ 2360.976124][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2360.976124][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2360.976124][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2360.976124][ T72] ipv6_find_idev+0x102/0x170 [ 2360.976124][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.976124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.976124][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.976124][ T72] netlink_unicast+0x449/0x710 [ 2360.976124][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.976124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.976124][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.976124][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.976124][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.976124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.976124][ T72] [ 2360.977980][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2360.978258][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2360.978258][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.978258][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.978258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.978258][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2360.978258][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2360.978258][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2360.978258][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2360.978258][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2360.978258][ T72] addrconf_dad_begin+0x310/0x670 [ 2360.978258][ T72] addrconf_dad_work+0x10b/0xab0 [ 2360.978258][ T72] process_one_work+0x84d/0x18a0 [ 2360.978258][ T72] worker_thread+0x587/0xd30 [ 2360.978258][ T72] kthread+0x28a/0x350 [ 2360.978258][ T72] ret_from_fork+0x31/0x70 [ 2360.978258][ T72] ret_from_fork_asm+0x1a/0x30 [ 2360.978258][ T72] [ 2360.980299][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2360.980299][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.980299][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.980299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.980299][ T72] ip6_route_add+0x1c/0x140 [ 2360.980299][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2360.980299][ T72] inet6_addr_add+0x4f8/0xa40 [ 2360.980299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.980299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.980299][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.980299][ T72] netlink_unicast+0x449/0x710 [ 2360.980299][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.980299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.980299][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.980299][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.980299][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.980299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.980299][ T72] [ 2360.982446][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2360.982446][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.982446][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.982446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.982446][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2360.982446][ T72] ipv6_add_addr+0x411/0x2000 [ 2360.982446][ T72] inet6_addr_add+0x30e/0xa40 [ 2360.982446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.982446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.982446][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.982446][ T72] netlink_unicast+0x449/0x710 [ 2360.982446][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.982446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.982446][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.982446][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.982446][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.982446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.982446][ T72] [ 2360.984648][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2360.984648][ T72] netdev_get_by_index+0x5e/0x80 [ 2360.984648][ T72] fib6_nh_init+0x3d8/0x1580 [ 2360.984648][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2360.984648][ T72] ip6_route_add+0x1c/0x140 [ 2360.984648][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.984648][ T72] addrconf_add_dev+0xe2/0x170 [ 2360.984648][ T72] inet6_addr_add+0x12f/0xa40 [ 2360.984648][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.984648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.984648][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.984648][ T72] netlink_unicast+0x449/0x710 [ 2360.984648][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.984648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.984648][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.984648][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.984648][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.984648][ T72] [ 2360.986765][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2360.986765][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2360.986765][ T72] ipv6_find_idev+0x102/0x170 [ 2360.986765][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.986765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.986765][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.986765][ T72] netlink_unicast+0x449/0x710 [ 2360.986765][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.986765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.986765][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.986765][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.986765][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.986765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.986765][ T72] [ 2360.988368][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2360.988368][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2360.988368][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2360.988368][ T72] ipv6_find_idev+0x102/0x170 [ 2360.988368][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.988368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.988368][ T72] netlink_rcv_skb+0x130/0x360 [ 2360.988368][ T72] netlink_unicast+0x449/0x710 [ 2360.988368][ T72] netlink_sendmsg+0x723/0xbe0 [ 2360.988368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2360.988368][ T72] ___sys_sendmsg+0xee/0x170 [ 2360.988368][ T72] __sys_sendmsg+0xcd/0x170 [ 2360.988368][ T72] do_syscall_64+0xc6/0x1e0 [ 2360.988368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.988368][ T72] [ 2371.168940][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2371.169422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2371.169422][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2371.169422][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2371.169422][ T72] fib6_nh_init+0xa22/0x1580 [ 2371.169422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.169422][ T72] ip6_route_add+0x1c/0x140 [ 2371.169422][ T72] inet6_rtm_newroute+0x104/0x110 [ 2371.169422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.169422][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.169422][ T72] netlink_unicast+0x449/0x710 [ 2371.169422][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.169422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.169422][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.169422][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.169422][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.169422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.169422][ T72] [ 2371.171330][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2371.171330][ T72] dst_init+0x84/0x4a0 [ 2371.171330][ T72] dst_alloc+0x97/0x150 [ 2371.171330][ T72] ip6_dst_alloc+0x23/0x90 [ 2371.171330][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2371.171330][ T72] ip6_pol_route+0x56f/0x840 [ 2371.171330][ T72] fib6_rule_lookup+0x456/0x630 [ 2371.171330][ T72] ip6_route_input+0x59c/0xa50 [ 2371.171330][ T72] ipv6_rcv+0x397/0x810 [ 2371.171330][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2371.171330][ T72] process_backlog+0x101/0x620 [ 2371.171330][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2371.171330][ T72] net_rx_action+0x495/0xbe0 [ 2371.171330][ T72] __do_softirq+0x1b5/0x7f6 [ 2371.171330][ T72] [ 2371.172966][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2371.172966][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.172966][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.172966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.172966][ T72] ip6_route_add+0x1c/0x140 [ 2371.172966][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2371.172966][ T72] inet6_addr_add+0x4f8/0xa40 [ 2371.172966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.172966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.172966][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.172966][ T72] netlink_unicast+0x449/0x710 [ 2371.172966][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.172966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.172966][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.172966][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.172966][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.172966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.172966][ T72] [ 2371.174945][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2371.174945][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.174945][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.174945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.174945][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2371.174945][ T72] ipv6_add_addr+0x411/0x2000 [ 2371.174945][ T72] inet6_addr_add+0x30e/0xa40 [ 2371.174945][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.174945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.174945][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.174945][ T72] netlink_unicast+0x449/0x710 [ 2371.174945][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.174945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.174945][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.174945][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.174945][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.174945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.174945][ T72] [ 2371.176956][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2371.176956][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.176956][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.176956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.176956][ T72] ip6_route_add+0x1c/0x140 [ 2371.176956][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2371.176956][ T72] addrconf_add_dev+0xe2/0x170 [ 2371.176956][ T72] inet6_addr_add+0x12f/0xa40 [ 2371.176956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.176956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.176956][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.176956][ T72] netlink_unicast+0x449/0x710 [ 2371.176956][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.176956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.176956][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.176956][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.176956][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.176956][ T72] [ 2371.178920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2371.178920][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2371.178920][ T72] ipv6_find_idev+0x102/0x170 [ 2371.178920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2371.178920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.178920][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.178920][ T72] netlink_unicast+0x449/0x710 [ 2371.178920][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.178920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.178920][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.178920][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.178920][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.178920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.178920][ T72] [ 2371.180448][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2371.180448][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2371.180448][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2371.180448][ T72] ipv6_find_idev+0x102/0x170 [ 2371.180448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2371.180448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.180448][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.180448][ T72] netlink_unicast+0x449/0x710 [ 2371.180448][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.180448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.180448][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.180448][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.180448][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.180448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.180448][ T72] [ 2371.182132][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2371.182403][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2371.182403][ T72] dst_init+0x84/0x4a0 [ 2371.182403][ T72] dst_alloc+0x97/0x150 [ 2371.182403][ T72] ip6_dst_alloc+0x23/0x90 [ 2371.182403][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2371.182403][ T72] ip6_pol_route+0x56f/0x840 [ 2371.182403][ T72] fib6_rule_lookup+0x456/0x630 [ 2371.182403][ T72] ip6_route_input+0x59c/0xa50 [ 2371.182403][ T72] ipv6_rcv+0x397/0x810 [ 2371.182403][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2371.182403][ T72] process_backlog+0x101/0x620 [ 2371.182403][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2371.182403][ T72] net_rx_action+0x495/0xbe0 [ 2371.182403][ T72] __do_softirq+0x1b5/0x7f6 [ 2371.182403][ T72] [ 2371.184039][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2371.184039][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.184039][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.184039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.184039][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2371.184039][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2371.184039][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2371.184039][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2371.184039][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2371.184039][ T72] addrconf_dad_begin+0x310/0x670 [ 2371.184039][ T72] addrconf_dad_work+0x10b/0xab0 [ 2371.184039][ T72] process_one_work+0x84d/0x18a0 [ 2371.184039][ T72] worker_thread+0x587/0xd30 [ 2371.184039][ T72] kthread+0x28a/0x350 [ 2371.184039][ T72] ret_from_fork+0x31/0x70 [ 2371.184039][ T72] ret_from_fork_asm+0x1a/0x30 [ 2371.184039][ T72] [ 2371.185933][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2371.185933][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.185933][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.185933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.185933][ T72] ip6_route_add+0x1c/0x140 [ 2371.185933][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2371.185933][ T72] inet6_addr_add+0x4f8/0xa40 [ 2371.185933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.185933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.185933][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.185933][ T72] netlink_unicast+0x449/0x710 [ 2371.185933][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.185933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.185933][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.185933][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.185933][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.185933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.185933][ T72] [ 2371.187923][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2371.187923][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.187923][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.187923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.187923][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2371.187923][ T72] ipv6_add_addr+0x411/0x2000 [ 2371.187923][ T72] inet6_addr_add+0x30e/0xa40 [ 2371.187923][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.187923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.187923][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.187923][ T72] netlink_unicast+0x449/0x710 [ 2371.187923][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.187923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.187923][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.187923][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.187923][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.187923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.187923][ T72] [ 2371.189900][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2371.189900][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.189900][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.189900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.189900][ T72] ip6_route_add+0x1c/0x140 [ 2371.189900][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2371.189900][ T72] addrconf_add_dev+0xe2/0x170 [ 2371.189900][ T72] inet6_addr_add+0x12f/0xa40 [ 2371.189900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.189900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.189900][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.189900][ T72] netlink_unicast+0x449/0x710 [ 2371.189900][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.189900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.189900][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.189900][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.189900][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.189900][ T72] [ 2371.191845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2371.191845][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2371.191845][ T72] ipv6_find_idev+0x102/0x170 [ 2371.191845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2371.191845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.191845][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.191845][ T72] netlink_unicast+0x449/0x710 [ 2371.191845][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.191845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.191845][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.191845][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.191845][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.191845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.191845][ T72] [ 2371.193367][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2371.193367][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2371.193367][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2371.193367][ T72] ipv6_find_idev+0x102/0x170 [ 2371.193367][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2371.193367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.193367][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.193367][ T72] netlink_unicast+0x449/0x710 [ 2371.193367][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.193367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.193367][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.193367][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.193367][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.193367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.193367][ T72] [ 2371.195151][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2371.195414][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2371.195414][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2371.195414][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2371.195414][ T72] fib6_nh_init+0xa22/0x1580 [ 2371.195414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.195414][ T72] ip6_route_add+0x1c/0x140 [ 2371.195414][ T72] inet6_rtm_newroute+0x104/0x110 [ 2371.195414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.195414][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.195414][ T72] netlink_unicast+0x449/0x710 [ 2371.195414][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.195414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.195414][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.195414][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.195414][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.195414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.195414][ T72] [ 2371.197459][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2371.197459][ T72] dst_init+0x84/0x4a0 [ 2371.197459][ T72] dst_alloc+0x97/0x150 [ 2371.197459][ T72] ip6_dst_alloc+0x23/0x90 [ 2371.197459][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2371.197459][ T72] ip6_pol_route+0x56f/0x840 [ 2371.197459][ T72] fib6_rule_lookup+0x456/0x630 [ 2371.197459][ T72] ip6_route_input+0x59c/0xa50 [ 2371.197459][ T72] ipv6_rcv+0x397/0x810 [ 2371.197459][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2371.197459][ T72] process_backlog+0x101/0x620 [ 2371.197459][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2371.197459][ T72] net_rx_action+0x495/0xbe0 [ 2371.197459][ T72] __do_softirq+0x1b5/0x7f6 [ 2371.197459][ T72] [ 2371.199330][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2371.199330][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.199330][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.199330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.199330][ T72] ip6_route_add+0x1c/0x140 [ 2371.199330][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2371.199330][ T72] inet6_addr_add+0x4f8/0xa40 [ 2371.199330][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.199330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.199330][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.199330][ T72] netlink_unicast+0x449/0x710 [ 2371.199330][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.199330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.199330][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.199330][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.199330][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.199330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.199330][ T72] [ 2371.201599][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2371.201599][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.201599][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.201599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.201599][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2371.201599][ T72] ipv6_add_addr+0x411/0x2000 [ 2371.201599][ T72] inet6_addr_add+0x30e/0xa40 [ 2371.201599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.201599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.201599][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.201599][ T72] netlink_unicast+0x449/0x710 [ 2371.201599][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.201599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.201599][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.201599][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.201599][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.201599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.201599][ T72] [ 2371.203775][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2371.203775][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.203775][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.203775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.203775][ T72] ip6_route_add+0x1c/0x140 [ 2371.203775][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2371.203775][ T72] addrconf_add_dev+0xe2/0x170 [ 2371.203775][ T72] inet6_addr_add+0x12f/0xa40 [ 2371.203775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.203775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.203775][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.203775][ T72] netlink_unicast+0x449/0x710 [ 2371.203775][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.203775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.203775][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.203775][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.203775][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.203775][ T72] [ 2371.205961][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2371.205961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2371.205961][ T72] ipv6_find_idev+0x102/0x170 [ 2371.205961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2371.205961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.205961][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.205961][ T72] netlink_unicast+0x449/0x710 [ 2371.205961][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.205961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.205961][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.205961][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.205961][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.205961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.205961][ T72] [ 2371.207674][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2371.207674][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2371.207674][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2371.207674][ T72] ipv6_find_idev+0x102/0x170 [ 2371.207674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2371.207674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.207674][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.207674][ T72] netlink_unicast+0x449/0x710 [ 2371.207674][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.207674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.207674][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.207674][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.207674][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.207674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.207674][ T72] [ 2371.209532][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2371.209935][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2371.209935][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.209935][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.209935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.209935][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2371.209935][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2371.209935][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2371.209935][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2371.209935][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2371.209935][ T72] addrconf_dad_begin+0x310/0x670 [ 2371.209935][ T72] addrconf_dad_work+0x10b/0xab0 [ 2371.209935][ T72] process_one_work+0x84d/0x18a0 [ 2371.209935][ T72] worker_thread+0x587/0xd30 [ 2371.209935][ T72] kthread+0x28a/0x350 [ 2371.209935][ T72] ret_from_fork+0x31/0x70 [ 2371.209935][ T72] ret_from_fork_asm+0x1a/0x30 [ 2371.209935][ T72] [ 2371.212017][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2371.212017][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.212017][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.212017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.212017][ T72] ip6_route_add+0x1c/0x140 [ 2371.212017][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2371.212017][ T72] inet6_addr_add+0x4f8/0xa40 [ 2371.212017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.212017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.212017][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.212017][ T72] netlink_unicast+0x449/0x710 [ 2371.212017][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.212017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.212017][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.212017][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.212017][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.212017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.212017][ T72] [ 2371.214239][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2371.214239][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.214239][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.214239][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.214239][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2371.214239][ T72] ipv6_add_addr+0x411/0x2000 [ 2371.214239][ T72] inet6_addr_add+0x30e/0xa40 [ 2371.214239][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.214239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.214239][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.214239][ T72] netlink_unicast+0x449/0x710 [ 2371.214239][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.214239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.214239][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.214239][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.214239][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.214239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.214239][ T72] [ 2371.216996][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2371.216996][ T72] netdev_get_by_index+0x5e/0x80 [ 2371.216996][ T72] fib6_nh_init+0x3d8/0x1580 [ 2371.216996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2371.216996][ T72] ip6_route_add+0x1c/0x140 [ 2371.216996][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2371.216996][ T72] addrconf_add_dev+0xe2/0x170 [ 2371.216996][ T72] inet6_addr_add+0x12f/0xa40 [ 2371.216996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2371.216996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.216996][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.216996][ T72] netlink_unicast+0x449/0x710 [ 2371.216996][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.216996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.216996][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.216996][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.216996][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.216996][ T72] [ 2371.219184][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2371.219184][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2371.219184][ T72] ipv6_find_idev+0x102/0x170 [ 2371.219184][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2371.219184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.219184][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.219184][ T72] netlink_unicast+0x449/0x710 [ 2371.219184][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.219184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.219184][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.219184][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.219184][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.219184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.219184][ T72] [ 2371.220952][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2371.220952][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2371.220952][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2371.220952][ T72] ipv6_find_idev+0x102/0x170 [ 2371.220952][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2371.220952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2371.220952][ T72] netlink_rcv_skb+0x130/0x360 [ 2371.220952][ T72] netlink_unicast+0x449/0x710 [ 2371.220952][ T72] netlink_sendmsg+0x723/0xbe0 [ 2371.220952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2371.220952][ T72] ___sys_sendmsg+0xee/0x170 [ 2371.220952][ T72] __sys_sendmsg+0xcd/0x170 [ 2371.220952][ T72] do_syscall_64+0xc6/0x1e0 [ 2371.220952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2371.220952][ T72] [ 2381.264911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2381.265351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2381.265351][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2381.265351][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2381.265351][ T72] fib6_nh_init+0xa22/0x1580 [ 2381.265351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.265351][ T72] ip6_route_add+0x1c/0x140 [ 2381.265351][ T72] inet6_rtm_newroute+0x104/0x110 [ 2381.265351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.265351][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.265351][ T72] netlink_unicast+0x449/0x710 [ 2381.265351][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.265351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.265351][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.265351][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.265351][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.265351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.265351][ T72] [ 2381.267266][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2381.267266][ T72] dst_init+0x84/0x4a0 [ 2381.267266][ T72] dst_alloc+0x97/0x150 [ 2381.267266][ T72] ip6_dst_alloc+0x23/0x90 [ 2381.267266][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2381.267266][ T72] ip6_pol_route+0x56f/0x840 [ 2381.267266][ T72] fib6_rule_lookup+0x456/0x630 [ 2381.267266][ T72] ip6_route_input+0x59c/0xa50 [ 2381.267266][ T72] ipv6_rcv+0x397/0x810 [ 2381.267266][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2381.267266][ T72] process_backlog+0x101/0x620 [ 2381.267266][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2381.267266][ T72] net_rx_action+0x495/0xbe0 [ 2381.267266][ T72] __do_softirq+0x1b5/0x7f6 [ 2381.267266][ T72] [ 2381.268906][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2381.268906][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.268906][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.268906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.268906][ T72] ip6_route_add+0x1c/0x140 [ 2381.268906][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2381.268906][ T72] inet6_addr_add+0x4f8/0xa40 [ 2381.268906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.268906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.268906][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.268906][ T72] netlink_unicast+0x449/0x710 [ 2381.268906][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.268906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.268906][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.268906][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.268906][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.268906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.268906][ T72] [ 2381.270898][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2381.270898][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.270898][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.270898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.270898][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2381.270898][ T72] ipv6_add_addr+0x411/0x2000 [ 2381.270898][ T72] inet6_addr_add+0x30e/0xa40 [ 2381.270898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.270898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.270898][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.270898][ T72] netlink_unicast+0x449/0x710 [ 2381.270898][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.270898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.270898][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.270898][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.270898][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.270898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.270898][ T72] [ 2381.273285][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2381.273285][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.273285][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.273285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.273285][ T72] ip6_route_add+0x1c/0x140 [ 2381.273285][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2381.273285][ T72] addrconf_add_dev+0xe2/0x170 [ 2381.273285][ T72] inet6_addr_add+0x12f/0xa40 [ 2381.273285][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.273285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.273285][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.273285][ T72] netlink_unicast+0x449/0x710 [ 2381.273285][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.273285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.273285][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.273285][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.273285][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.273285][ T72] [ 2381.275253][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2381.275253][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2381.275253][ T72] ipv6_find_idev+0x102/0x170 [ 2381.275253][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2381.275253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.275253][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.275253][ T72] netlink_unicast+0x449/0x710 [ 2381.275253][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.275253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.275253][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.275253][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.275253][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.275253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.275253][ T72] [ 2381.276785][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2381.276785][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2381.276785][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2381.276785][ T72] ipv6_find_idev+0x102/0x170 [ 2381.276785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2381.276785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.276785][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.276785][ T72] netlink_unicast+0x449/0x710 [ 2381.276785][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.276785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.276785][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.276785][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.276785][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.276785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.276785][ T72] [ 2381.278475][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2381.278748][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2381.278748][ T72] dst_init+0x84/0x4a0 [ 2381.278748][ T72] dst_alloc+0x97/0x150 [ 2381.278748][ T72] ip6_dst_alloc+0x23/0x90 [ 2381.278748][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2381.278748][ T72] ip6_pol_route+0x56f/0x840 [ 2381.278748][ T72] fib6_rule_lookup+0x456/0x630 [ 2381.278748][ T72] ip6_route_input+0x59c/0xa50 [ 2381.278748][ T72] ipv6_rcv+0x397/0x810 [ 2381.278748][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2381.278748][ T72] process_backlog+0x101/0x620 [ 2381.278748][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2381.278748][ T72] net_rx_action+0x495/0xbe0 [ 2381.278748][ T72] __do_softirq+0x1b5/0x7f6 [ 2381.278748][ T72] [ 2381.280381][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2381.280381][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.280381][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.280381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.280381][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2381.280381][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2381.280381][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2381.280381][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2381.280381][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2381.280381][ T72] addrconf_dad_begin+0x310/0x670 [ 2381.280381][ T72] addrconf_dad_work+0x10b/0xab0 [ 2381.280381][ T72] process_one_work+0x84d/0x18a0 [ 2381.280381][ T72] worker_thread+0x587/0xd30 [ 2381.280381][ T72] kthread+0x28a/0x350 [ 2381.280381][ T72] ret_from_fork+0x31/0x70 [ 2381.280381][ T72] ret_from_fork_asm+0x1a/0x30 [ 2381.280381][ T72] [ 2381.282275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2381.282275][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.282275][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.282275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.282275][ T72] ip6_route_add+0x1c/0x140 [ 2381.282275][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2381.282275][ T72] inet6_addr_add+0x4f8/0xa40 [ 2381.282275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.282275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.282275][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.282275][ T72] netlink_unicast+0x449/0x710 [ 2381.282275][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.282275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.282275][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.282275][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.282275][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.282275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.282275][ T72] [ 2381.284249][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2381.284249][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.284249][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.284249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.284249][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2381.284249][ T72] ipv6_add_addr+0x411/0x2000 [ 2381.284249][ T72] inet6_addr_add+0x30e/0xa40 [ 2381.284249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.284249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.284249][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.284249][ T72] netlink_unicast+0x449/0x710 [ 2381.284249][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.284249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.284249][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.284249][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.284249][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.284249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.284249][ T72] [ 2381.286223][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2381.286223][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.286223][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.286223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.286223][ T72] ip6_route_add+0x1c/0x140 [ 2381.286223][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2381.286223][ T72] addrconf_add_dev+0xe2/0x170 [ 2381.286223][ T72] inet6_addr_add+0x12f/0xa40 [ 2381.286223][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.286223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.286223][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.286223][ T72] netlink_unicast+0x449/0x710 [ 2381.286223][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.286223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.286223][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.286223][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.286223][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.286223][ T72] [ 2381.288169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2381.288169][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2381.288169][ T72] ipv6_find_idev+0x102/0x170 [ 2381.288169][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2381.288169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.288169][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.288169][ T72] netlink_unicast+0x449/0x710 [ 2381.288169][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.288169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.288169][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.288169][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.288169][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.288169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.288169][ T72] [ 2381.289694][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2381.289694][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2381.289694][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2381.289694][ T72] ipv6_find_idev+0x102/0x170 [ 2381.289694][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2381.289694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.289694][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.289694][ T72] netlink_unicast+0x449/0x710 [ 2381.289694][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.289694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.289694][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.289694][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.289694][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.289694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.289694][ T72] [ 2381.291487][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2381.291751][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2381.291751][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2381.291751][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2381.291751][ T72] fib6_nh_init+0xa22/0x1580 [ 2381.291751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.291751][ T72] ip6_route_add+0x1c/0x140 [ 2381.291751][ T72] inet6_rtm_newroute+0x104/0x110 [ 2381.291751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.291751][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.291751][ T72] netlink_unicast+0x449/0x710 [ 2381.291751][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.291751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.291751][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.291751][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.291751][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.291751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.291751][ T72] [ 2381.293857][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2381.293857][ T72] dst_init+0x84/0x4a0 [ 2381.293857][ T72] dst_alloc+0x97/0x150 [ 2381.293857][ T72] ip6_dst_alloc+0x23/0x90 [ 2381.293857][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2381.293857][ T72] ip6_pol_route+0x56f/0x840 [ 2381.293857][ T72] fib6_rule_lookup+0x456/0x630 [ 2381.293857][ T72] ip6_route_input+0x59c/0xa50 [ 2381.293857][ T72] ipv6_rcv+0x397/0x810 [ 2381.293857][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2381.293857][ T72] process_backlog+0x101/0x620 [ 2381.293857][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2381.293857][ T72] net_rx_action+0x495/0xbe0 [ 2381.293857][ T72] __do_softirq+0x1b5/0x7f6 [ 2381.293857][ T72] [ 2381.295713][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2381.295713][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.295713][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.295713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.295713][ T72] ip6_route_add+0x1c/0x140 [ 2381.295713][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2381.295713][ T72] inet6_addr_add+0x4f8/0xa40 [ 2381.295713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.295713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.295713][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.295713][ T72] netlink_unicast+0x449/0x710 [ 2381.295713][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.295713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.295713][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.295713][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.295713][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.295713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.295713][ T72] [ 2381.297903][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2381.297903][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.297903][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.297903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.297903][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2381.297903][ T72] ipv6_add_addr+0x411/0x2000 [ 2381.297903][ T72] inet6_addr_add+0x30e/0xa40 [ 2381.297903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.297903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.297903][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.297903][ T72] netlink_unicast+0x449/0x710 [ 2381.297903][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.297903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.297903][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.297903][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.297903][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.297903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.297903][ T72] [ 2381.300135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2381.300135][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.300135][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.300135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.300135][ T72] ip6_route_add+0x1c/0x140 [ 2381.300135][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2381.300135][ T72] addrconf_add_dev+0xe2/0x170 [ 2381.300135][ T72] inet6_addr_add+0x12f/0xa40 [ 2381.300135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.300135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.300135][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.300135][ T72] netlink_unicast+0x449/0x710 [ 2381.300135][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.300135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.300135][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.300135][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.300135][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.300135][ T72] [ 2381.302397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2381.302397][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2381.302397][ T72] ipv6_find_idev+0x102/0x170 [ 2381.302397][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2381.302397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.302397][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.302397][ T72] netlink_unicast+0x449/0x710 [ 2381.302397][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.302397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.302397][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.302397][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.302397][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.302397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.302397][ T72] [ 2381.304104][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2381.304104][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2381.304104][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2381.304104][ T72] ipv6_find_idev+0x102/0x170 [ 2381.304104][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2381.304104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.304104][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.304104][ T72] netlink_unicast+0x449/0x710 [ 2381.304104][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.304104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.304104][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.304104][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.304104][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.304104][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.304104][ T72] [ 2381.305953][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2381.306281][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2381.306281][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.306281][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.306281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.306281][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2381.306281][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2381.306281][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2381.306281][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2381.306281][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2381.306281][ T72] addrconf_dad_begin+0x310/0x670 [ 2381.306281][ T72] addrconf_dad_work+0x10b/0xab0 [ 2381.306281][ T72] process_one_work+0x84d/0x18a0 [ 2381.306281][ T72] worker_thread+0x587/0xd30 [ 2381.306281][ T72] kthread+0x28a/0x350 [ 2381.306281][ T72] ret_from_fork+0x31/0x70 [ 2381.306281][ T72] ret_from_fork_asm+0x1a/0x30 [ 2381.306281][ T72] [ 2381.308357][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2381.308357][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.308357][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.308357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.308357][ T72] ip6_route_add+0x1c/0x140 [ 2381.308357][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2381.308357][ T72] inet6_addr_add+0x4f8/0xa40 [ 2381.308357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.308357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.308357][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.308357][ T72] netlink_unicast+0x449/0x710 [ 2381.308357][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.308357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.308357][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.308357][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.308357][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.308357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.308357][ T72] [ 2381.310605][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2381.310605][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.310605][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.310605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.310605][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2381.310605][ T72] ipv6_add_addr+0x411/0x2000 [ 2381.310605][ T72] inet6_addr_add+0x30e/0xa40 [ 2381.310605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.310605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.310605][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.310605][ T72] netlink_unicast+0x449/0x710 [ 2381.310605][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.310605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.310605][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.310605][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.310605][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.310605][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.310605][ T72] [ 2381.312901][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2381.312901][ T72] netdev_get_by_index+0x5e/0x80 [ 2381.312901][ T72] fib6_nh_init+0x3d8/0x1580 [ 2381.312901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2381.312901][ T72] ip6_route_add+0x1c/0x140 [ 2381.312901][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2381.312901][ T72] addrconf_add_dev+0xe2/0x170 [ 2381.312901][ T72] inet6_addr_add+0x12f/0xa40 [ 2381.312901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2381.312901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.312901][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.312901][ T72] netlink_unicast+0x449/0x710 [ 2381.312901][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.312901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.312901][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.312901][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.312901][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.312901][ T72] [ 2381.315094][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2381.315094][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2381.315094][ T72] ipv6_find_idev+0x102/0x170 [ 2381.315094][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2381.315094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.315094][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.315094][ T72] netlink_unicast+0x449/0x710 [ 2381.315094][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.315094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.315094][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.315094][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.315094][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.315094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.315094][ T72] [ 2381.316812][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2381.316812][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2381.316812][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2381.316812][ T72] ipv6_find_idev+0x102/0x170 [ 2381.316812][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2381.316812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2381.316812][ T72] netlink_rcv_skb+0x130/0x360 [ 2381.316812][ T72] netlink_unicast+0x449/0x710 [ 2381.316812][ T72] netlink_sendmsg+0x723/0xbe0 [ 2381.316812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2381.316812][ T72] ___sys_sendmsg+0xee/0x170 [ 2381.316812][ T72] __sys_sendmsg+0xcd/0x170 [ 2381.316812][ T72] do_syscall_64+0xc6/0x1e0 [ 2381.316812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2381.316812][ T72] [ 2391.568916][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2391.569410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2391.569410][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2391.569410][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2391.569410][ T72] fib6_nh_init+0xa22/0x1580 [ 2391.569410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.569410][ T72] ip6_route_add+0x1c/0x140 [ 2391.569410][ T72] inet6_rtm_newroute+0x104/0x110 [ 2391.569410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.569410][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.569410][ T72] netlink_unicast+0x449/0x710 [ 2391.569410][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.569410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.569410][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.569410][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.569410][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.569410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.569410][ T72] [ 2391.571311][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2391.571311][ T72] dst_init+0x84/0x4a0 [ 2391.571311][ T72] dst_alloc+0x97/0x150 [ 2391.571311][ T72] ip6_dst_alloc+0x23/0x90 [ 2391.571311][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2391.571311][ T72] ip6_pol_route+0x56f/0x840 [ 2391.571311][ T72] fib6_rule_lookup+0x456/0x630 [ 2391.571311][ T72] ip6_route_input+0x59c/0xa50 [ 2391.571311][ T72] ipv6_rcv+0x397/0x810 [ 2391.571311][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2391.571311][ T72] process_backlog+0x101/0x620 [ 2391.571311][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2391.571311][ T72] net_rx_action+0x495/0xbe0 [ 2391.571311][ T72] __do_softirq+0x1b5/0x7f6 [ 2391.571311][ T72] [ 2391.572956][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2391.572956][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.572956][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.572956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.572956][ T72] ip6_route_add+0x1c/0x140 [ 2391.572956][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2391.572956][ T72] inet6_addr_add+0x4f8/0xa40 [ 2391.572956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.572956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.572956][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.572956][ T72] netlink_unicast+0x449/0x710 [ 2391.572956][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.572956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.572956][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.572956][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.572956][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.572956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.572956][ T72] [ 2391.574927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2391.574927][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.574927][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.574927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.574927][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2391.574927][ T72] ipv6_add_addr+0x411/0x2000 [ 2391.574927][ T72] inet6_addr_add+0x30e/0xa40 [ 2391.574927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.574927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.574927][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.574927][ T72] netlink_unicast+0x449/0x710 [ 2391.574927][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.574927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.574927][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.574927][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.574927][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.574927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.574927][ T72] [ 2391.576888][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2391.576888][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.576888][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.576888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.576888][ T72] ip6_route_add+0x1c/0x140 [ 2391.576888][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.576888][ T72] addrconf_add_dev+0xe2/0x170 [ 2391.576888][ T72] inet6_addr_add+0x12f/0xa40 [ 2391.576888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.576888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.576888][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.576888][ T72] netlink_unicast+0x449/0x710 [ 2391.576888][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.576888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.576888][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.576888][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.576888][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.576888][ T72] [ 2391.578854][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2391.578854][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2391.578854][ T72] ipv6_find_idev+0x102/0x170 [ 2391.578854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.578854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.578854][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.578854][ T72] netlink_unicast+0x449/0x710 [ 2391.578854][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.578854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.578854][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.578854][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.578854][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.578854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.578854][ T72] [ 2391.580396][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2391.580396][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2391.580396][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2391.580396][ T72] ipv6_find_idev+0x102/0x170 [ 2391.580396][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.580396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.580396][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.580396][ T72] netlink_unicast+0x449/0x710 [ 2391.580396][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.580396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.580396][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.580396][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.580396][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.580396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.580396][ T72] [ 2391.582075][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2391.582342][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2391.582342][ T72] dst_init+0x84/0x4a0 [ 2391.582342][ T72] dst_alloc+0x97/0x150 [ 2391.582342][ T72] ip6_dst_alloc+0x23/0x90 [ 2391.582342][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2391.582342][ T72] ip6_pol_route+0x56f/0x840 [ 2391.582342][ T72] fib6_rule_lookup+0x456/0x630 [ 2391.582342][ T72] ip6_route_input+0x59c/0xa50 [ 2391.582342][ T72] ipv6_rcv+0x397/0x810 [ 2391.582342][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2391.582342][ T72] process_backlog+0x101/0x620 [ 2391.582342][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2391.582342][ T72] net_rx_action+0x495/0xbe0 [ 2391.582342][ T72] __do_softirq+0x1b5/0x7f6 [ 2391.582342][ T72] [ 2391.583956][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2391.583956][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.583956][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.583956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.583956][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2391.583956][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2391.583956][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2391.583956][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2391.583956][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2391.583956][ T72] addrconf_dad_begin+0x310/0x670 [ 2391.583956][ T72] addrconf_dad_work+0x10b/0xab0 [ 2391.583956][ T72] process_one_work+0x84d/0x18a0 [ 2391.583956][ T72] worker_thread+0x587/0xd30 [ 2391.583956][ T72] kthread+0x28a/0x350 [ 2391.583956][ T72] ret_from_fork+0x31/0x70 [ 2391.583956][ T72] ret_from_fork_asm+0x1a/0x30 [ 2391.583956][ T72] [ 2391.585848][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2391.585848][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.585848][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.585848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.585848][ T72] ip6_route_add+0x1c/0x140 [ 2391.585848][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2391.585848][ T72] inet6_addr_add+0x4f8/0xa40 [ 2391.585848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.585848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.585848][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.585848][ T72] netlink_unicast+0x449/0x710 [ 2391.585848][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.585848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.585848][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.585848][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.585848][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.585848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.585848][ T72] [ 2391.587819][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2391.587819][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.587819][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.587819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.587819][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2391.587819][ T72] ipv6_add_addr+0x411/0x2000 [ 2391.587819][ T72] inet6_addr_add+0x30e/0xa40 [ 2391.587819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.587819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.587819][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.587819][ T72] netlink_unicast+0x449/0x710 [ 2391.587819][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.587819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.587819][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.587819][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.587819][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.587819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.587819][ T72] [ 2391.589771][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2391.589771][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.589771][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.589771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.589771][ T72] ip6_route_add+0x1c/0x140 [ 2391.589771][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.589771][ T72] addrconf_add_dev+0xe2/0x170 [ 2391.589771][ T72] inet6_addr_add+0x12f/0xa40 [ 2391.589771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.589771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.589771][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.589771][ T72] netlink_unicast+0x449/0x710 [ 2391.589771][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.589771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.589771][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.589771][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.589771][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.589771][ T72] [ 2391.591657][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2391.591657][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2391.591657][ T72] ipv6_find_idev+0x102/0x170 [ 2391.591657][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.591657][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.591657][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.591657][ T72] netlink_unicast+0x449/0x710 [ 2391.591657][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.591657][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.591657][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.591657][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.591657][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.591657][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.591657][ T72] [ 2391.593140][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2391.593140][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2391.593140][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2391.593140][ T72] ipv6_find_idev+0x102/0x170 [ 2391.593140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.593140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.593140][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.593140][ T72] netlink_unicast+0x449/0x710 [ 2391.593140][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.593140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.593140][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.593140][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.593140][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.593140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.593140][ T72] [ 2391.594939][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2391.595198][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2391.595198][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2391.595198][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2391.595198][ T72] fib6_nh_init+0xa22/0x1580 [ 2391.595198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.595198][ T72] ip6_route_add+0x1c/0x140 [ 2391.595198][ T72] inet6_rtm_newroute+0x104/0x110 [ 2391.595198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.595198][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.595198][ T72] netlink_unicast+0x449/0x710 [ 2391.595198][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.595198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.595198][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.595198][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.595198][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.595198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.595198][ T72] [ 2391.597399][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2391.597399][ T72] dst_init+0x84/0x4a0 [ 2391.597399][ T72] dst_alloc+0x97/0x150 [ 2391.597399][ T72] ip6_dst_alloc+0x23/0x90 [ 2391.597399][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2391.597399][ T72] ip6_pol_route+0x56f/0x840 [ 2391.597399][ T72] fib6_rule_lookup+0x456/0x630 [ 2391.597399][ T72] ip6_route_input+0x59c/0xa50 [ 2391.597399][ T72] ipv6_rcv+0x397/0x810 [ 2391.597399][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2391.597399][ T72] process_backlog+0x101/0x620 [ 2391.597399][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2391.597399][ T72] net_rx_action+0x495/0xbe0 [ 2391.597399][ T72] __do_softirq+0x1b5/0x7f6 [ 2391.597399][ T72] [ 2391.599265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2391.599265][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.599265][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.599265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.599265][ T72] ip6_route_add+0x1c/0x140 [ 2391.599265][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2391.599265][ T72] inet6_addr_add+0x4f8/0xa40 [ 2391.599265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.599265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.599265][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.599265][ T72] netlink_unicast+0x449/0x710 [ 2391.599265][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.599265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.599265][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.599265][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.599265][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.599265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.599265][ T72] [ 2391.601457][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2391.601457][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.601457][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.601457][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.601457][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2391.601457][ T72] ipv6_add_addr+0x411/0x2000 [ 2391.601457][ T72] inet6_addr_add+0x30e/0xa40 [ 2391.601457][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.601457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.601457][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.601457][ T72] netlink_unicast+0x449/0x710 [ 2391.601457][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.601457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.601457][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.601457][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.601457][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.601457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.601457][ T72] [ 2391.603662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2391.603662][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.603662][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.603662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.603662][ T72] ip6_route_add+0x1c/0x140 [ 2391.603662][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.603662][ T72] addrconf_add_dev+0xe2/0x170 [ 2391.603662][ T72] inet6_addr_add+0x12f/0xa40 [ 2391.603662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.603662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.603662][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.603662][ T72] netlink_unicast+0x449/0x710 [ 2391.603662][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.603662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.603662][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.603662][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.603662][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.603662][ T72] [ 2391.605902][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2391.605902][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2391.605902][ T72] ipv6_find_idev+0x102/0x170 [ 2391.605902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.605902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.605902][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.605902][ T72] netlink_unicast+0x449/0x710 [ 2391.605902][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.605902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.605902][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.605902][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.605902][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.605902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.605902][ T72] [ 2391.607614][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2391.607614][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2391.607614][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2391.607614][ T72] ipv6_find_idev+0x102/0x170 [ 2391.607614][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.607614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.607614][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.607614][ T72] netlink_unicast+0x449/0x710 [ 2391.607614][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.607614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.607614][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.607614][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.607614][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.607614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.607614][ T72] [ 2391.609483][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2391.609825][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2391.609825][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.609825][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.609825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.609825][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2391.609825][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2391.609825][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2391.609825][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2391.609825][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2391.609825][ T72] addrconf_dad_begin+0x310/0x670 [ 2391.609825][ T72] addrconf_dad_work+0x10b/0xab0 [ 2391.609825][ T72] process_one_work+0x84d/0x18a0 [ 2391.609825][ T72] worker_thread+0x587/0xd30 [ 2391.609825][ T72] kthread+0x28a/0x350 [ 2391.609825][ T72] ret_from_fork+0x31/0x70 [ 2391.609825][ T72] ret_from_fork_asm+0x1a/0x30 [ 2391.609825][ T72] [ 2391.611839][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2391.611839][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.611839][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.611839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.611839][ T72] ip6_route_add+0x1c/0x140 [ 2391.611839][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2391.611839][ T72] inet6_addr_add+0x4f8/0xa40 [ 2391.611839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.611839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.611839][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.611839][ T72] netlink_unicast+0x449/0x710 [ 2391.611839][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.611839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.611839][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.611839][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.611839][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.611839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.611839][ T72] [ 2391.614091][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2391.614091][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.614091][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.614091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.614091][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2391.614091][ T72] ipv6_add_addr+0x411/0x2000 [ 2391.614091][ T72] inet6_addr_add+0x30e/0xa40 [ 2391.614091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.614091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.614091][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.614091][ T72] netlink_unicast+0x449/0x710 [ 2391.614091][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.614091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.614091][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.614091][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.614091][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.614091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.614091][ T72] [ 2391.616376][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2391.616376][ T72] netdev_get_by_index+0x5e/0x80 [ 2391.616376][ T72] fib6_nh_init+0x3d8/0x1580 [ 2391.616376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2391.616376][ T72] ip6_route_add+0x1c/0x140 [ 2391.616376][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.616376][ T72] addrconf_add_dev+0xe2/0x170 [ 2391.616376][ T72] inet6_addr_add+0x12f/0xa40 [ 2391.616376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.616376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.616376][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.616376][ T72] netlink_unicast+0x449/0x710 [ 2391.616376][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.616376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.616376][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.616376][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.616376][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.616376][ T72] [ 2391.618575][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2391.618575][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2391.618575][ T72] ipv6_find_idev+0x102/0x170 [ 2391.618575][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.618575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.618575][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.618575][ T72] netlink_unicast+0x449/0x710 [ 2391.618575][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.618575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.618575][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.618575][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.618575][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.618575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.618575][ T72] [ 2391.620282][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2391.620282][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2391.620282][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2391.620282][ T72] ipv6_find_idev+0x102/0x170 [ 2391.620282][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.620282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.620282][ T72] netlink_rcv_skb+0x130/0x360 [ 2391.620282][ T72] netlink_unicast+0x449/0x710 [ 2391.620282][ T72] netlink_sendmsg+0x723/0xbe0 [ 2391.620282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2391.620282][ T72] ___sys_sendmsg+0xee/0x170 [ 2391.620282][ T72] __sys_sendmsg+0xcd/0x170 [ 2391.620282][ T72] do_syscall_64+0xc6/0x1e0 [ 2391.620282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.620282][ T72] [ 2401.728913][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2401.729404][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2401.729404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2401.729404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2401.729404][ T72] fib6_nh_init+0xa22/0x1580 [ 2401.729404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.729404][ T72] ip6_route_add+0x1c/0x140 [ 2401.729404][ T72] inet6_rtm_newroute+0x104/0x110 [ 2401.729404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.729404][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.729404][ T72] netlink_unicast+0x449/0x710 [ 2401.729404][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.729404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.729404][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.729404][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.729404][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.729404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.729404][ T72] [ 2401.731259][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2401.731259][ T72] dst_init+0x84/0x4a0 [ 2401.731259][ T72] dst_alloc+0x97/0x150 [ 2401.731259][ T72] ip6_dst_alloc+0x23/0x90 [ 2401.731259][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2401.731259][ T72] ip6_pol_route+0x56f/0x840 [ 2401.731259][ T72] fib6_rule_lookup+0x456/0x630 [ 2401.731259][ T72] ip6_route_input+0x59c/0xa50 [ 2401.731259][ T72] ipv6_rcv+0x397/0x810 [ 2401.731259][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2401.731259][ T72] process_backlog+0x101/0x620 [ 2401.731259][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2401.731259][ T72] net_rx_action+0x495/0xbe0 [ 2401.731259][ T72] __do_softirq+0x1b5/0x7f6 [ 2401.731259][ T72] [ 2401.732847][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2401.732847][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.732847][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.732847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.732847][ T72] ip6_route_add+0x1c/0x140 [ 2401.732847][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2401.732847][ T72] inet6_addr_add+0x4f8/0xa40 [ 2401.732847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.732847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.732847][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.732847][ T72] netlink_unicast+0x449/0x710 [ 2401.732847][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.732847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.732847][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.732847][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.732847][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.732847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.732847][ T72] [ 2401.734779][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2401.734779][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.734779][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.734779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.734779][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2401.734779][ T72] ipv6_add_addr+0x411/0x2000 [ 2401.734779][ T72] inet6_addr_add+0x30e/0xa40 [ 2401.734779][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.734779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.734779][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.734779][ T72] netlink_unicast+0x449/0x710 [ 2401.734779][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.734779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.734779][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.734779][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.734779][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.734779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.734779][ T72] [ 2401.736743][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2401.736743][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.736743][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.736743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.736743][ T72] ip6_route_add+0x1c/0x140 [ 2401.736743][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.736743][ T72] addrconf_add_dev+0xe2/0x170 [ 2401.736743][ T72] inet6_addr_add+0x12f/0xa40 [ 2401.736743][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.736743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.736743][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.736743][ T72] netlink_unicast+0x449/0x710 [ 2401.736743][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.736743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.736743][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.736743][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.736743][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.736743][ T72] [ 2401.738679][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2401.738679][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2401.738679][ T72] ipv6_find_idev+0x102/0x170 [ 2401.738679][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.738679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.738679][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.738679][ T72] netlink_unicast+0x449/0x710 [ 2401.738679][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.738679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.738679][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.738679][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.738679][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.738679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.738679][ T72] [ 2401.740190][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2401.740190][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2401.740190][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2401.740190][ T72] ipv6_find_idev+0x102/0x170 [ 2401.740190][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.740190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.740190][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.740190][ T72] netlink_unicast+0x449/0x710 [ 2401.740190][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.740190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.740190][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.740190][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.740190][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.740190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.740190][ T72] [ 2401.741863][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2401.742151][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2401.742151][ T72] dst_init+0x84/0x4a0 [ 2401.742151][ T72] dst_alloc+0x97/0x150 [ 2401.742151][ T72] ip6_dst_alloc+0x23/0x90 [ 2401.742151][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2401.742151][ T72] ip6_pol_route+0x56f/0x840 [ 2401.742151][ T72] fib6_rule_lookup+0x456/0x630 [ 2401.742151][ T72] ip6_route_input+0x59c/0xa50 [ 2401.742151][ T72] ipv6_rcv+0x397/0x810 [ 2401.742151][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2401.742151][ T72] process_backlog+0x101/0x620 [ 2401.742151][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2401.742151][ T72] net_rx_action+0x495/0xbe0 [ 2401.742151][ T72] __do_softirq+0x1b5/0x7f6 [ 2401.742151][ T72] [ 2401.743795][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2401.743795][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.743795][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.743795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.743795][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2401.743795][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2401.743795][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2401.743795][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2401.743795][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2401.743795][ T72] addrconf_dad_begin+0x310/0x670 [ 2401.743795][ T72] addrconf_dad_work+0x10b/0xab0 [ 2401.743795][ T72] process_one_work+0x84d/0x18a0 [ 2401.743795][ T72] worker_thread+0x587/0xd30 [ 2401.743795][ T72] kthread+0x28a/0x350 [ 2401.743795][ T72] ret_from_fork+0x31/0x70 [ 2401.743795][ T72] ret_from_fork_asm+0x1a/0x30 [ 2401.743795][ T72] [ 2401.745713][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2401.745713][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.745713][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.745713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.745713][ T72] ip6_route_add+0x1c/0x140 [ 2401.745713][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2401.745713][ T72] inet6_addr_add+0x4f8/0xa40 [ 2401.745713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.745713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.745713][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.745713][ T72] netlink_unicast+0x449/0x710 [ 2401.745713][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.745713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.745713][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.745713][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.745713][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.745713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.745713][ T72] [ 2401.747695][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2401.747695][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.747695][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.747695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.747695][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2401.747695][ T72] ipv6_add_addr+0x411/0x2000 [ 2401.747695][ T72] inet6_addr_add+0x30e/0xa40 [ 2401.747695][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.747695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.747695][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.747695][ T72] netlink_unicast+0x449/0x710 [ 2401.747695][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.747695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.747695][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.747695][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.747695][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.747695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.747695][ T72] [ 2401.749658][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2401.749658][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.749658][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.749658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.749658][ T72] ip6_route_add+0x1c/0x140 [ 2401.749658][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.749658][ T72] addrconf_add_dev+0xe2/0x170 [ 2401.749658][ T72] inet6_addr_add+0x12f/0xa40 [ 2401.749658][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.749658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.749658][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.749658][ T72] netlink_unicast+0x449/0x710 [ 2401.749658][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.749658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.749658][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.749658][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.749658][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.749658][ T72] [ 2401.751621][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2401.751621][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2401.751621][ T72] ipv6_find_idev+0x102/0x170 [ 2401.751621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.751621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.751621][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.751621][ T72] netlink_unicast+0x449/0x710 [ 2401.751621][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.751621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.751621][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.751621][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.751621][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.751621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.751621][ T72] [ 2401.753147][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2401.753147][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2401.753147][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2401.753147][ T72] ipv6_find_idev+0x102/0x170 [ 2401.753147][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.753147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.753147][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.753147][ T72] netlink_unicast+0x449/0x710 [ 2401.753147][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.753147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.753147][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.753147][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.753147][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.753147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.753147][ T72] [ 2401.754930][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2401.755192][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2401.755192][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2401.755192][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2401.755192][ T72] fib6_nh_init+0xa22/0x1580 [ 2401.755192][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.755192][ T72] ip6_route_add+0x1c/0x140 [ 2401.755192][ T72] inet6_rtm_newroute+0x104/0x110 [ 2401.755192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.755192][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.755192][ T72] netlink_unicast+0x449/0x710 [ 2401.755192][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.755192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.755192][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.755192][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.755192][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.755192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.755192][ T72] [ 2401.757318][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2401.757318][ T72] dst_init+0x84/0x4a0 [ 2401.757318][ T72] dst_alloc+0x97/0x150 [ 2401.757318][ T72] ip6_dst_alloc+0x23/0x90 [ 2401.757318][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2401.757318][ T72] ip6_pol_route+0x56f/0x840 [ 2401.757318][ T72] fib6_rule_lookup+0x456/0x630 [ 2401.757318][ T72] ip6_route_input+0x59c/0xa50 [ 2401.757318][ T72] ipv6_rcv+0x397/0x810 [ 2401.757318][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2401.757318][ T72] process_backlog+0x101/0x620 [ 2401.757318][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2401.757318][ T72] net_rx_action+0x495/0xbe0 [ 2401.757318][ T72] __do_softirq+0x1b5/0x7f6 [ 2401.757318][ T72] [ 2401.759148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2401.759148][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.759148][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.759148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.759148][ T72] ip6_route_add+0x1c/0x140 [ 2401.759148][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2401.759148][ T72] inet6_addr_add+0x4f8/0xa40 [ 2401.759148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.759148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.759148][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.759148][ T72] netlink_unicast+0x449/0x710 [ 2401.759148][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.759148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.759148][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.759148][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.759148][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.759148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.759148][ T72] [ 2401.761339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2401.761339][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.761339][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.761339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.761339][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2401.761339][ T72] ipv6_add_addr+0x411/0x2000 [ 2401.761339][ T72] inet6_addr_add+0x30e/0xa40 [ 2401.761339][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.761339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.761339][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.761339][ T72] netlink_unicast+0x449/0x710 [ 2401.761339][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.761339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.761339][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.761339][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.761339][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.761339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.761339][ T72] [ 2401.763473][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2401.763473][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.763473][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.763473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.763473][ T72] ip6_route_add+0x1c/0x140 [ 2401.763473][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.763473][ T72] addrconf_add_dev+0xe2/0x170 [ 2401.763473][ T72] inet6_addr_add+0x12f/0xa40 [ 2401.763473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.763473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.763473][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.763473][ T72] netlink_unicast+0x449/0x710 [ 2401.763473][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.763473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.763473][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.763473][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.763473][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.763473][ T72] [ 2401.765655][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2401.765655][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2401.765655][ T72] ipv6_find_idev+0x102/0x170 [ 2401.765655][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.765655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.765655][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.765655][ T72] netlink_unicast+0x449/0x710 [ 2401.765655][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.765655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.765655][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.765655][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.765655][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.765655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.765655][ T72] [ 2401.767364][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2401.767364][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2401.767364][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2401.767364][ T72] ipv6_find_idev+0x102/0x170 [ 2401.767364][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.767364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.767364][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.767364][ T72] netlink_unicast+0x449/0x710 [ 2401.767364][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.767364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.767364][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.767364][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.767364][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.767364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.767364][ T72] [ 2401.769188][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2401.769537][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2401.769537][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.769537][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.769537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.769537][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2401.769537][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2401.769537][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2401.769537][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2401.769537][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2401.769537][ T72] addrconf_dad_begin+0x310/0x670 [ 2401.769537][ T72] addrconf_dad_work+0x10b/0xab0 [ 2401.769537][ T72] process_one_work+0x84d/0x18a0 [ 2401.769537][ T72] worker_thread+0x587/0xd30 [ 2401.769537][ T72] kthread+0x28a/0x350 [ 2401.769537][ T72] ret_from_fork+0x31/0x70 [ 2401.769537][ T72] ret_from_fork_asm+0x1a/0x30 [ 2401.769537][ T72] [ 2401.771612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2401.771612][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.771612][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.771612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.771612][ T72] ip6_route_add+0x1c/0x140 [ 2401.771612][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2401.771612][ T72] inet6_addr_add+0x4f8/0xa40 [ 2401.771612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.771612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.771612][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.771612][ T72] netlink_unicast+0x449/0x710 [ 2401.771612][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.771612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.771612][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.771612][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.771612][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.771612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.771612][ T72] [ 2401.773839][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2401.773839][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.773839][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.773839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.773839][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2401.773839][ T72] ipv6_add_addr+0x411/0x2000 [ 2401.773839][ T72] inet6_addr_add+0x30e/0xa40 [ 2401.773839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.773839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.773839][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.773839][ T72] netlink_unicast+0x449/0x710 [ 2401.773839][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.773839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.773839][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.773839][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.773839][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.773839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.773839][ T72] [ 2401.776159][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2401.776159][ T72] netdev_get_by_index+0x5e/0x80 [ 2401.776159][ T72] fib6_nh_init+0x3d8/0x1580 [ 2401.776159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2401.776159][ T72] ip6_route_add+0x1c/0x140 [ 2401.776159][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.776159][ T72] addrconf_add_dev+0xe2/0x170 [ 2401.776159][ T72] inet6_addr_add+0x12f/0xa40 [ 2401.776159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.776159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.776159][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.776159][ T72] netlink_unicast+0x449/0x710 [ 2401.776159][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.776159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.776159][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.776159][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.776159][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.776159][ T72] [ 2401.778338][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2401.778338][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2401.778338][ T72] ipv6_find_idev+0x102/0x170 [ 2401.778338][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.778338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.778338][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.778338][ T72] netlink_unicast+0x449/0x710 [ 2401.778338][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.778338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.778338][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.778338][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.778338][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.778338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.778338][ T72] [ 2401.780051][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2401.780051][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2401.780051][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2401.780051][ T72] ipv6_find_idev+0x102/0x170 [ 2401.780051][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.780051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.780051][ T72] netlink_rcv_skb+0x130/0x360 [ 2401.780051][ T72] netlink_unicast+0x449/0x710 [ 2401.780051][ T72] netlink_sendmsg+0x723/0xbe0 [ 2401.780051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2401.780051][ T72] ___sys_sendmsg+0xee/0x170 [ 2401.780051][ T72] __sys_sendmsg+0xcd/0x170 [ 2401.780051][ T72] do_syscall_64+0xc6/0x1e0 [ 2401.780051][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.780051][ T72] [ 2411.912984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2411.913591][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2411.913591][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2411.913591][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2411.913591][ T72] fib6_nh_init+0xa22/0x1580 [ 2411.913591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.913591][ T72] ip6_route_add+0x1c/0x140 [ 2411.913591][ T72] inet6_rtm_newroute+0x104/0x110 [ 2411.913591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.913591][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.913591][ T72] netlink_unicast+0x449/0x710 [ 2411.913591][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.913591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.913591][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.913591][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.913591][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.913591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.913591][ T72] [ 2411.915859][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2411.915859][ T72] dst_init+0x84/0x4a0 [ 2411.915859][ T72] dst_alloc+0x97/0x150 [ 2411.915859][ T72] ip6_dst_alloc+0x23/0x90 [ 2411.915859][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.915859][ T72] ip6_pol_route+0x56f/0x840 [ 2411.915859][ T72] fib6_rule_lookup+0x456/0x630 [ 2411.915859][ T72] ip6_route_input+0x59c/0xa50 [ 2411.915859][ T72] ipv6_rcv+0x397/0x810 [ 2411.915859][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2411.915859][ T72] process_backlog+0x101/0x620 [ 2411.915859][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2411.915859][ T72] net_rx_action+0x495/0xbe0 [ 2411.915859][ T72] __do_softirq+0x1b5/0x7f6 [ 2411.915859][ T72] [ 2411.917491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2411.917491][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.917491][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.917491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.917491][ T72] ip6_route_add+0x1c/0x140 [ 2411.917491][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2411.917491][ T72] inet6_addr_add+0x4f8/0xa40 [ 2411.917491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.917491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.917491][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.917491][ T72] netlink_unicast+0x449/0x710 [ 2411.917491][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.917491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.917491][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.917491][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.917491][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.917491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.917491][ T72] [ 2411.919521][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2411.919521][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.919521][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.919521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.919521][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2411.919521][ T72] ipv6_add_addr+0x411/0x2000 [ 2411.919521][ T72] inet6_addr_add+0x30e/0xa40 [ 2411.919521][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.919521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.919521][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.919521][ T72] netlink_unicast+0x449/0x710 [ 2411.919521][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.919521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.919521][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.919521][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.919521][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.919521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.919521][ T72] [ 2411.921458][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2411.921458][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.921458][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.921458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.921458][ T72] ip6_route_add+0x1c/0x140 [ 2411.921458][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.921458][ T72] addrconf_add_dev+0xe2/0x170 [ 2411.921458][ T72] inet6_addr_add+0x12f/0xa40 [ 2411.921458][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.921458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.921458][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.921458][ T72] netlink_unicast+0x449/0x710 [ 2411.921458][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.921458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.921458][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.921458][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.921458][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.921458][ T72] [ 2411.923741][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2411.923741][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2411.923741][ T72] ipv6_find_idev+0x102/0x170 [ 2411.923741][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.923741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.923741][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.923741][ T72] netlink_unicast+0x449/0x710 [ 2411.923741][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.923741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.923741][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.923741][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.923741][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.923741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.923741][ T72] [ 2411.925172][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2411.925172][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2411.925172][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2411.925172][ T72] ipv6_find_idev+0x102/0x170 [ 2411.925172][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.925172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.925172][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.925172][ T72] netlink_unicast+0x449/0x710 [ 2411.925172][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.925172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.925172][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.925172][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.925172][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.925172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.925172][ T72] [ 2411.926861][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2411.927129][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2411.927129][ T72] dst_init+0x84/0x4a0 [ 2411.927129][ T72] dst_alloc+0x97/0x150 [ 2411.927129][ T72] ip6_dst_alloc+0x23/0x90 [ 2411.927129][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.927129][ T72] ip6_pol_route+0x56f/0x840 [ 2411.927129][ T72] fib6_rule_lookup+0x456/0x630 [ 2411.927129][ T72] ip6_route_input+0x59c/0xa50 [ 2411.927129][ T72] ipv6_rcv+0x397/0x810 [ 2411.927129][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2411.927129][ T72] process_backlog+0x101/0x620 [ 2411.927129][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2411.927129][ T72] net_rx_action+0x495/0xbe0 [ 2411.927129][ T72] __do_softirq+0x1b5/0x7f6 [ 2411.927129][ T72] [ 2411.928759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2411.928759][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.928759][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.928759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.928759][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2411.928759][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2411.928759][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2411.928759][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2411.928759][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2411.928759][ T72] addrconf_dad_begin+0x310/0x670 [ 2411.928759][ T72] addrconf_dad_work+0x10b/0xab0 [ 2411.928759][ T72] process_one_work+0x84d/0x18a0 [ 2411.928759][ T72] worker_thread+0x587/0xd30 [ 2411.928759][ T72] kthread+0x28a/0x350 [ 2411.928759][ T72] ret_from_fork+0x31/0x70 [ 2411.928759][ T72] ret_from_fork_asm+0x1a/0x30 [ 2411.928759][ T72] [ 2411.930727][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2411.930727][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.930727][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.930727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.930727][ T72] ip6_route_add+0x1c/0x140 [ 2411.930727][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2411.930727][ T72] inet6_addr_add+0x4f8/0xa40 [ 2411.930727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.930727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.930727][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.930727][ T72] netlink_unicast+0x449/0x710 [ 2411.930727][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.930727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.930727][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.930727][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.930727][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.930727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.930727][ T72] [ 2411.932639][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2411.932639][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.932639][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.932639][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.932639][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2411.932639][ T72] ipv6_add_addr+0x411/0x2000 [ 2411.932639][ T72] inet6_addr_add+0x30e/0xa40 [ 2411.932639][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.932639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.932639][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.932639][ T72] netlink_unicast+0x449/0x710 [ 2411.932639][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.932639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.932639][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.932639][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.932639][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.932639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.932639][ T72] [ 2411.934488][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2411.934488][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.934488][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.934488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.934488][ T72] ip6_route_add+0x1c/0x140 [ 2411.934488][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.934488][ T72] addrconf_add_dev+0xe2/0x170 [ 2411.934488][ T72] inet6_addr_add+0x12f/0xa40 [ 2411.934488][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.934488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.934488][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.934488][ T72] netlink_unicast+0x449/0x710 [ 2411.934488][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.934488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.934488][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.934488][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.934488][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.934488][ T72] [ 2411.936306][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2411.936306][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2411.936306][ T72] ipv6_find_idev+0x102/0x170 [ 2411.936306][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.936306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.936306][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.936306][ T72] netlink_unicast+0x449/0x710 [ 2411.936306][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.936306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.936306][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.936306][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.936306][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.936306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.936306][ T72] [ 2411.937959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2411.937959][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2411.937959][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2411.937959][ T72] ipv6_find_idev+0x102/0x170 [ 2411.937959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.937959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.937959][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.937959][ T72] netlink_unicast+0x449/0x710 [ 2411.937959][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.937959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.937959][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.937959][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.937959][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.937959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.937959][ T72] [ 2411.939779][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2411.940057][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2411.940057][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2411.940057][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2411.940057][ T72] fib6_nh_init+0xa22/0x1580 [ 2411.940057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.940057][ T72] ip6_route_add+0x1c/0x140 [ 2411.940057][ T72] inet6_rtm_newroute+0x104/0x110 [ 2411.940057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.940057][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.940057][ T72] netlink_unicast+0x449/0x710 [ 2411.940057][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.940057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.940057][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.940057][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.940057][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.940057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.940057][ T72] [ 2411.942452][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2411.942452][ T72] dst_init+0x84/0x4a0 [ 2411.942452][ T72] dst_alloc+0x97/0x150 [ 2411.942452][ T72] ip6_dst_alloc+0x23/0x90 [ 2411.942452][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.942452][ T72] ip6_pol_route+0x56f/0x840 [ 2411.942452][ T72] fib6_rule_lookup+0x456/0x630 [ 2411.942452][ T72] ip6_route_input+0x59c/0xa50 [ 2411.942452][ T72] ipv6_rcv+0x397/0x810 [ 2411.942452][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2411.942452][ T72] process_backlog+0x101/0x620 [ 2411.942452][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2411.942452][ T72] net_rx_action+0x495/0xbe0 [ 2411.942452][ T72] __do_softirq+0x1b5/0x7f6 [ 2411.942452][ T72] [ 2411.945604][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2411.945604][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.945604][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.945604][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.945604][ T72] ip6_route_add+0x1c/0x140 [ 2411.945604][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2411.945604][ T72] inet6_addr_add+0x4f8/0xa40 [ 2411.945604][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.945604][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.945604][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.945604][ T72] netlink_unicast+0x449/0x710 [ 2411.945604][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.945604][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.945604][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.945604][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.945604][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.945604][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.945604][ T72] [ 2411.949398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2411.949398][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.949398][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.949398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.949398][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2411.949398][ T72] ipv6_add_addr+0x411/0x2000 [ 2411.949398][ T72] inet6_addr_add+0x30e/0xa40 [ 2411.949398][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.949398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.949398][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.949398][ T72] netlink_unicast+0x449/0x710 [ 2411.949398][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.949398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.949398][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.949398][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.949398][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.949398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.949398][ T72] [ 2411.953024][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2411.953024][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.953024][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.953024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.953024][ T72] ip6_route_add+0x1c/0x140 [ 2411.953024][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.953024][ T72] addrconf_add_dev+0xe2/0x170 [ 2411.953024][ T72] inet6_addr_add+0x12f/0xa40 [ 2411.953024][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.953024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.953024][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.953024][ T72] netlink_unicast+0x449/0x710 [ 2411.953024][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.953024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.953024][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.953024][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.953024][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.953024][ T72] [ 2411.956825][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2411.956825][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2411.956825][ T72] ipv6_find_idev+0x102/0x170 [ 2411.956825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.956825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.956825][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.956825][ T72] netlink_unicast+0x449/0x710 [ 2411.956825][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.956825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.956825][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.956825][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.956825][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.956825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.956825][ T72] [ 2411.959755][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2411.959755][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2411.959755][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2411.959755][ T72] ipv6_find_idev+0x102/0x170 [ 2411.959755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.959755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.959755][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.959755][ T72] netlink_unicast+0x449/0x710 [ 2411.959755][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.959755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.959755][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.959755][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.959755][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.959755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.959755][ T72] [ 2411.962859][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2411.963444][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2411.963444][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.963444][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.963444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.963444][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2411.963444][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2411.963444][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2411.963444][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2411.963444][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2411.963444][ T72] addrconf_dad_begin+0x310/0x670 [ 2411.963444][ T72] addrconf_dad_work+0x10b/0xab0 [ 2411.963444][ T72] process_one_work+0x84d/0x18a0 [ 2411.963444][ T72] worker_thread+0x587/0xd30 [ 2411.963444][ T72] kthread+0x28a/0x350 [ 2411.963444][ T72] ret_from_fork+0x31/0x70 [ 2411.963444][ T72] ret_from_fork_asm+0x1a/0x30 [ 2411.963444][ T72] [ 2411.966793][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2411.966793][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.966793][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.966793][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.966793][ T72] ip6_route_add+0x1c/0x140 [ 2411.966793][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2411.966793][ T72] inet6_addr_add+0x4f8/0xa40 [ 2411.966793][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.966793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.966793][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.966793][ T72] netlink_unicast+0x449/0x710 [ 2411.966793][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.966793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.966793][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.966793][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.966793][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.966793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.966793][ T72] [ 2411.970459][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2411.970459][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.970459][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.970459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.970459][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2411.970459][ T72] ipv6_add_addr+0x411/0x2000 [ 2411.970459][ T72] inet6_addr_add+0x30e/0xa40 [ 2411.970459][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.970459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.970459][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.970459][ T72] netlink_unicast+0x449/0x710 [ 2411.970459][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.970459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.970459][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.970459][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.970459][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.970459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.970459][ T72] [ 2411.974250][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2411.974250][ T72] netdev_get_by_index+0x5e/0x80 [ 2411.974250][ T72] fib6_nh_init+0x3d8/0x1580 [ 2411.974250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2411.974250][ T72] ip6_route_add+0x1c/0x140 [ 2411.974250][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.974250][ T72] addrconf_add_dev+0xe2/0x170 [ 2411.974250][ T72] inet6_addr_add+0x12f/0xa40 [ 2411.974250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.974250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.974250][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.974250][ T72] netlink_unicast+0x449/0x710 [ 2411.974250][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.974250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.974250][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.974250][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.974250][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.974250][ T72] [ 2411.977817][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2411.977817][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2411.977817][ T72] ipv6_find_idev+0x102/0x170 [ 2411.977817][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.977817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.977817][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.977817][ T72] netlink_unicast+0x449/0x710 [ 2411.977817][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.977817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.977817][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.977817][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.977817][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.977817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.977817][ T72] [ 2411.980607][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2411.980607][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2411.980607][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2411.980607][ T72] ipv6_find_idev+0x102/0x170 [ 2411.980607][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.980607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.980607][ T72] netlink_rcv_skb+0x130/0x360 [ 2411.980607][ T72] netlink_unicast+0x449/0x710 [ 2411.980607][ T72] netlink_sendmsg+0x723/0xbe0 [ 2411.980607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2411.980607][ T72] ___sys_sendmsg+0xee/0x170 [ 2411.980607][ T72] __sys_sendmsg+0xcd/0x170 [ 2411.980607][ T72] do_syscall_64+0xc6/0x1e0 [ 2411.980607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.980607][ T72] [ 2422.224985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2422.225468][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2422.225468][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2422.225468][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2422.225468][ T72] fib6_nh_init+0xa22/0x1580 [ 2422.225468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.225468][ T72] ip6_route_add+0x1c/0x140 [ 2422.225468][ T72] inet6_rtm_newroute+0x104/0x110 [ 2422.225468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.225468][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.225468][ T72] netlink_unicast+0x449/0x710 [ 2422.225468][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.225468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.225468][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.225468][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.225468][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.225468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.225468][ T72] [ 2422.227374][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2422.227374][ T72] dst_init+0x84/0x4a0 [ 2422.227374][ T72] dst_alloc+0x97/0x150 [ 2422.227374][ T72] ip6_dst_alloc+0x23/0x90 [ 2422.227374][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2422.227374][ T72] ip6_pol_route+0x56f/0x840 [ 2422.227374][ T72] fib6_rule_lookup+0x456/0x630 [ 2422.227374][ T72] ip6_route_input+0x59c/0xa50 [ 2422.227374][ T72] ipv6_rcv+0x397/0x810 [ 2422.227374][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2422.227374][ T72] process_backlog+0x101/0x620 [ 2422.227374][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2422.227374][ T72] net_rx_action+0x495/0xbe0 [ 2422.227374][ T72] __do_softirq+0x1b5/0x7f6 [ 2422.227374][ T72] [ 2422.229000][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2422.229000][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.229000][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.229000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.229000][ T72] ip6_route_add+0x1c/0x140 [ 2422.229000][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2422.229000][ T72] inet6_addr_add+0x4f8/0xa40 [ 2422.229000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.229000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.229000][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.229000][ T72] netlink_unicast+0x449/0x710 [ 2422.229000][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.229000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.229000][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.229000][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.229000][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.229000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.229000][ T72] [ 2422.231012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2422.231012][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.231012][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.231012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.231012][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2422.231012][ T72] ipv6_add_addr+0x411/0x2000 [ 2422.231012][ T72] inet6_addr_add+0x30e/0xa40 [ 2422.231012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.231012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.231012][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.231012][ T72] netlink_unicast+0x449/0x710 [ 2422.231012][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.231012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.231012][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.231012][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.231012][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.231012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.231012][ T72] [ 2422.233009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2422.233009][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.233009][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.233009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.233009][ T72] ip6_route_add+0x1c/0x140 [ 2422.233009][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2422.233009][ T72] addrconf_add_dev+0xe2/0x170 [ 2422.233009][ T72] inet6_addr_add+0x12f/0xa40 [ 2422.233009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.233009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.233009][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.233009][ T72] netlink_unicast+0x449/0x710 [ 2422.233009][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.233009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.233009][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.233009][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.233009][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.233009][ T72] [ 2422.234957][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2422.234957][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2422.234957][ T72] ipv6_find_idev+0x102/0x170 [ 2422.234957][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2422.234957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.234957][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.234957][ T72] netlink_unicast+0x449/0x710 [ 2422.234957][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.234957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.234957][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.234957][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.234957][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.234957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.234957][ T72] [ 2422.236489][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2422.236489][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2422.236489][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2422.236489][ T72] ipv6_find_idev+0x102/0x170 [ 2422.236489][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2422.236489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.236489][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.236489][ T72] netlink_unicast+0x449/0x710 [ 2422.236489][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.236489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.236489][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.236489][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.236489][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.236489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.236489][ T72] [ 2422.238171][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2422.238447][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2422.238447][ T72] dst_init+0x84/0x4a0 [ 2422.238447][ T72] dst_alloc+0x97/0x150 [ 2422.238447][ T72] ip6_dst_alloc+0x23/0x90 [ 2422.238447][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2422.238447][ T72] ip6_pol_route+0x56f/0x840 [ 2422.238447][ T72] fib6_rule_lookup+0x456/0x630 [ 2422.238447][ T72] ip6_route_input+0x59c/0xa50 [ 2422.238447][ T72] ipv6_rcv+0x397/0x810 [ 2422.238447][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2422.238447][ T72] process_backlog+0x101/0x620 [ 2422.238447][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2422.238447][ T72] net_rx_action+0x495/0xbe0 [ 2422.238447][ T72] __do_softirq+0x1b5/0x7f6 [ 2422.238447][ T72] [ 2422.240078][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2422.240078][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.240078][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.240078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.240078][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2422.240078][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2422.240078][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2422.240078][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2422.240078][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2422.240078][ T72] addrconf_dad_begin+0x310/0x670 [ 2422.240078][ T72] addrconf_dad_work+0x10b/0xab0 [ 2422.240078][ T72] process_one_work+0x84d/0x18a0 [ 2422.240078][ T72] worker_thread+0x587/0xd30 [ 2422.240078][ T72] kthread+0x28a/0x350 [ 2422.240078][ T72] ret_from_fork+0x31/0x70 [ 2422.240078][ T72] ret_from_fork_asm+0x1a/0x30 [ 2422.240078][ T72] [ 2422.241987][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2422.241987][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.241987][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.241987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.241987][ T72] ip6_route_add+0x1c/0x140 [ 2422.241987][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2422.241987][ T72] inet6_addr_add+0x4f8/0xa40 [ 2422.241987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.241987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.241987][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.241987][ T72] netlink_unicast+0x449/0x710 [ 2422.241987][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.241987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.241987][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.241987][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.241987][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.241987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.241987][ T72] [ 2422.243963][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2422.243963][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.243963][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.243963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.243963][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2422.243963][ T72] ipv6_add_addr+0x411/0x2000 [ 2422.243963][ T72] inet6_addr_add+0x30e/0xa40 [ 2422.243963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.243963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.243963][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.243963][ T72] netlink_unicast+0x449/0x710 [ 2422.243963][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.243963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.243963][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.243963][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.243963][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.243963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.243963][ T72] [ 2422.245936][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2422.245936][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.245936][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.245936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.245936][ T72] ip6_route_add+0x1c/0x140 [ 2422.245936][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2422.245936][ T72] addrconf_add_dev+0xe2/0x170 [ 2422.245936][ T72] inet6_addr_add+0x12f/0xa40 [ 2422.245936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.245936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.245936][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.245936][ T72] netlink_unicast+0x449/0x710 [ 2422.245936][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.245936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.245936][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.245936][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.245936][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.245936][ T72] [ 2422.247890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2422.247890][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2422.247890][ T72] ipv6_find_idev+0x102/0x170 [ 2422.247890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2422.247890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.247890][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.247890][ T72] netlink_unicast+0x449/0x710 [ 2422.247890][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.247890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.247890][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.247890][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.247890][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.247890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.247890][ T72] [ 2422.249422][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2422.249422][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2422.249422][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2422.249422][ T72] ipv6_find_idev+0x102/0x170 [ 2422.249422][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2422.249422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.249422][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.249422][ T72] netlink_unicast+0x449/0x710 [ 2422.249422][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.249422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.249422][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.249422][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.249422][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.249422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.249422][ T72] [ 2422.251141][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2422.251467][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2422.251467][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2422.251467][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2422.251467][ T72] fib6_nh_init+0xa22/0x1580 [ 2422.251467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.251467][ T72] ip6_route_add+0x1c/0x140 [ 2422.251467][ T72] inet6_rtm_newroute+0x104/0x110 [ 2422.251467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.251467][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.251467][ T72] netlink_unicast+0x449/0x710 [ 2422.251467][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.251467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.251467][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.251467][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.251467][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.251467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.251467][ T72] [ 2422.253580][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2422.253580][ T72] dst_init+0x84/0x4a0 [ 2422.253580][ T72] dst_alloc+0x97/0x150 [ 2422.253580][ T72] ip6_dst_alloc+0x23/0x90 [ 2422.253580][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2422.253580][ T72] ip6_pol_route+0x56f/0x840 [ 2422.253580][ T72] fib6_rule_lookup+0x456/0x630 [ 2422.253580][ T72] ip6_route_input+0x59c/0xa50 [ 2422.253580][ T72] ipv6_rcv+0x397/0x810 [ 2422.253580][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2422.253580][ T72] process_backlog+0x101/0x620 [ 2422.253580][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2422.253580][ T72] net_rx_action+0x495/0xbe0 [ 2422.253580][ T72] __do_softirq+0x1b5/0x7f6 [ 2422.253580][ T72] [ 2422.255358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2422.255358][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.255358][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.255358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.255358][ T72] ip6_route_add+0x1c/0x140 [ 2422.255358][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2422.255358][ T72] inet6_addr_add+0x4f8/0xa40 [ 2422.255358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.255358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.255358][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.255358][ T72] netlink_unicast+0x449/0x710 [ 2422.255358][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.255358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.255358][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.255358][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.255358][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.255358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.255358][ T72] [ 2422.257614][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2422.257614][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.257614][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.257614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.257614][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2422.257614][ T72] ipv6_add_addr+0x411/0x2000 [ 2422.257614][ T72] inet6_addr_add+0x30e/0xa40 [ 2422.257614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.257614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.257614][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.257614][ T72] netlink_unicast+0x449/0x710 [ 2422.257614][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.257614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.257614][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.257614][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.257614][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.257614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.257614][ T72] [ 2422.259827][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2422.259827][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.259827][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.259827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.259827][ T72] ip6_route_add+0x1c/0x140 [ 2422.259827][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2422.259827][ T72] addrconf_add_dev+0xe2/0x170 [ 2422.259827][ T72] inet6_addr_add+0x12f/0xa40 [ 2422.259827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.259827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.259827][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.259827][ T72] netlink_unicast+0x449/0x710 [ 2422.259827][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.259827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.259827][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.259827][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.259827][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.259827][ T72] [ 2422.262078][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2422.262078][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2422.262078][ T72] ipv6_find_idev+0x102/0x170 [ 2422.262078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2422.262078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.262078][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.262078][ T72] netlink_unicast+0x449/0x710 [ 2422.262078][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.262078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.262078][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.262078][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.262078][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.262078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.262078][ T72] [ 2422.263779][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2422.263779][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2422.263779][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2422.263779][ T72] ipv6_find_idev+0x102/0x170 [ 2422.263779][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2422.263779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.263779][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.263779][ T72] netlink_unicast+0x449/0x710 [ 2422.263779][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.263779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.263779][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.263779][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.263779][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.263779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.263779][ T72] [ 2422.265638][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2422.265979][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2422.265979][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.265979][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.265979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.265979][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2422.265979][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2422.265979][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2422.265979][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2422.265979][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2422.265979][ T72] addrconf_dad_begin+0x310/0x670 [ 2422.265979][ T72] addrconf_dad_work+0x10b/0xab0 [ 2422.265979][ T72] process_one_work+0x84d/0x18a0 [ 2422.265979][ T72] worker_thread+0x587/0xd30 [ 2422.265979][ T72] kthread+0x28a/0x350 [ 2422.265979][ T72] ret_from_fork+0x31/0x70 [ 2422.265979][ T72] ret_from_fork_asm+0x1a/0x30 [ 2422.265979][ T72] [ 2422.268060][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2422.268060][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.268060][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.268060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.268060][ T72] ip6_route_add+0x1c/0x140 [ 2422.268060][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2422.268060][ T72] inet6_addr_add+0x4f8/0xa40 [ 2422.268060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.268060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.268060][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.268060][ T72] netlink_unicast+0x449/0x710 [ 2422.268060][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.268060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.268060][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.268060][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.268060][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.268060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.268060][ T72] [ 2422.270295][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2422.270295][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.270295][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.270295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.270295][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2422.270295][ T72] ipv6_add_addr+0x411/0x2000 [ 2422.270295][ T72] inet6_addr_add+0x30e/0xa40 [ 2422.270295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.270295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.270295][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.270295][ T72] netlink_unicast+0x449/0x710 [ 2422.270295][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.270295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.270295][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.270295][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.270295][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.270295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.270295][ T72] [ 2422.273141][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2422.273141][ T72] netdev_get_by_index+0x5e/0x80 [ 2422.273141][ T72] fib6_nh_init+0x3d8/0x1580 [ 2422.273141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2422.273141][ T72] ip6_route_add+0x1c/0x140 [ 2422.273141][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2422.273141][ T72] addrconf_add_dev+0xe2/0x170 [ 2422.273141][ T72] inet6_addr_add+0x12f/0xa40 [ 2422.273141][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2422.273141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.273141][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.273141][ T72] netlink_unicast+0x449/0x710 [ 2422.273141][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.273141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.273141][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.273141][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.273141][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.273141][ T72] [ 2422.275332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2422.275332][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2422.275332][ T72] ipv6_find_idev+0x102/0x170 [ 2422.275332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2422.275332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.275332][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.275332][ T72] netlink_unicast+0x449/0x710 [ 2422.275332][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.275332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.275332][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.275332][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.275332][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.275332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.275332][ T72] [ 2422.277050][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2422.277050][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2422.277050][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2422.277050][ T72] ipv6_find_idev+0x102/0x170 [ 2422.277050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2422.277050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2422.277050][ T72] netlink_rcv_skb+0x130/0x360 [ 2422.277050][ T72] netlink_unicast+0x449/0x710 [ 2422.277050][ T72] netlink_sendmsg+0x723/0xbe0 [ 2422.277050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2422.277050][ T72] ___sys_sendmsg+0xee/0x170 [ 2422.277050][ T72] __sys_sendmsg+0xcd/0x170 [ 2422.277050][ T72] do_syscall_64+0xc6/0x1e0 [ 2422.277050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2422.277050][ T72] [ 2432.472923][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2432.473553][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2432.473553][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2432.473553][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2432.473553][ T72] fib6_nh_init+0xa22/0x1580 [ 2432.473553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.473553][ T72] ip6_route_add+0x1c/0x140 [ 2432.473553][ T72] inet6_rtm_newroute+0x104/0x110 [ 2432.473553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.473553][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.473553][ T72] netlink_unicast+0x449/0x710 [ 2432.473553][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.473553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.473553][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.473553][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.473553][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.473553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.473553][ T72] [ 2432.475429][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2432.475429][ T72] dst_init+0x84/0x4a0 [ 2432.475429][ T72] dst_alloc+0x97/0x150 [ 2432.475429][ T72] ip6_dst_alloc+0x23/0x90 [ 2432.475429][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2432.475429][ T72] ip6_pol_route+0x56f/0x840 [ 2432.475429][ T72] fib6_rule_lookup+0x456/0x630 [ 2432.475429][ T72] ip6_route_input+0x59c/0xa50 [ 2432.475429][ T72] ipv6_rcv+0x397/0x810 [ 2432.475429][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2432.475429][ T72] process_backlog+0x101/0x620 [ 2432.475429][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2432.475429][ T72] net_rx_action+0x495/0xbe0 [ 2432.475429][ T72] __do_softirq+0x1b5/0x7f6 [ 2432.475429][ T72] [ 2432.477030][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2432.477030][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.477030][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.477030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.477030][ T72] ip6_route_add+0x1c/0x140 [ 2432.477030][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2432.477030][ T72] inet6_addr_add+0x4f8/0xa40 [ 2432.477030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.477030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.477030][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.477030][ T72] netlink_unicast+0x449/0x710 [ 2432.477030][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.477030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.477030][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.477030][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.477030][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.477030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.477030][ T72] [ 2432.479044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2432.479044][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.479044][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.479044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.479044][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2432.479044][ T72] ipv6_add_addr+0x411/0x2000 [ 2432.479044][ T72] inet6_addr_add+0x30e/0xa40 [ 2432.479044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.479044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.479044][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.479044][ T72] netlink_unicast+0x449/0x710 [ 2432.479044][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.479044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.479044][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.479044][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.479044][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.479044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.479044][ T72] [ 2432.481031][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2432.481031][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.481031][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.481031][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.481031][ T72] ip6_route_add+0x1c/0x140 [ 2432.481031][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2432.481031][ T72] addrconf_add_dev+0xe2/0x170 [ 2432.481031][ T72] inet6_addr_add+0x12f/0xa40 [ 2432.481031][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.481031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.481031][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.481031][ T72] netlink_unicast+0x449/0x710 [ 2432.481031][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.481031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.481031][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.481031][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.481031][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.481031][ T72] [ 2432.483009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2432.483009][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2432.483009][ T72] ipv6_find_idev+0x102/0x170 [ 2432.483009][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.483009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.483009][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.483009][ T72] netlink_unicast+0x449/0x710 [ 2432.483009][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.483009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.483009][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.483009][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.483009][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.483009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.483009][ T72] [ 2432.484534][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2432.484534][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2432.484534][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2432.484534][ T72] ipv6_find_idev+0x102/0x170 [ 2432.484534][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.484534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.484534][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.484534][ T72] netlink_unicast+0x449/0x710 [ 2432.484534][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.484534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.484534][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.484534][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.484534][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.484534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.484534][ T72] [ 2432.486614][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2432.486896][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2432.486896][ T72] dst_init+0x84/0x4a0 [ 2432.486896][ T72] dst_alloc+0x97/0x150 [ 2432.486896][ T72] ip6_dst_alloc+0x23/0x90 [ 2432.486896][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2432.486896][ T72] ip6_pol_route+0x56f/0x840 [ 2432.486896][ T72] fib6_rule_lookup+0x456/0x630 [ 2432.486896][ T72] ip6_route_input+0x59c/0xa50 [ 2432.486896][ T72] ipv6_rcv+0x397/0x810 [ 2432.486896][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2432.486896][ T72] process_backlog+0x101/0x620 [ 2432.486896][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2432.486896][ T72] net_rx_action+0x495/0xbe0 [ 2432.486896][ T72] __do_softirq+0x1b5/0x7f6 [ 2432.486896][ T72] [ 2432.488526][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2432.488526][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.488526][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.488526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.488526][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2432.488526][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2432.488526][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2432.488526][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2432.488526][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2432.488526][ T72] addrconf_dad_begin+0x310/0x670 [ 2432.488526][ T72] addrconf_dad_work+0x10b/0xab0 [ 2432.488526][ T72] process_one_work+0x84d/0x18a0 [ 2432.488526][ T72] worker_thread+0x587/0xd30 [ 2432.488526][ T72] kthread+0x28a/0x350 [ 2432.488526][ T72] ret_from_fork+0x31/0x70 [ 2432.488526][ T72] ret_from_fork_asm+0x1a/0x30 [ 2432.488526][ T72] [ 2432.490435][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2432.490435][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.490435][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.490435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.490435][ T72] ip6_route_add+0x1c/0x140 [ 2432.490435][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2432.490435][ T72] inet6_addr_add+0x4f8/0xa40 [ 2432.490435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.490435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.490435][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.490435][ T72] netlink_unicast+0x449/0x710 [ 2432.490435][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.490435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.490435][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.490435][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.490435][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.490435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.490435][ T72] [ 2432.492428][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2432.492428][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.492428][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.492428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.492428][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2432.492428][ T72] ipv6_add_addr+0x411/0x2000 [ 2432.492428][ T72] inet6_addr_add+0x30e/0xa40 [ 2432.492428][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.492428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.492428][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.492428][ T72] netlink_unicast+0x449/0x710 [ 2432.492428][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.492428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.492428][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.492428][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.492428][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.492428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.492428][ T72] [ 2432.494405][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2432.494405][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.494405][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.494405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.494405][ T72] ip6_route_add+0x1c/0x140 [ 2432.494405][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2432.494405][ T72] addrconf_add_dev+0xe2/0x170 [ 2432.494405][ T72] inet6_addr_add+0x12f/0xa40 [ 2432.494405][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.494405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.494405][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.494405][ T72] netlink_unicast+0x449/0x710 [ 2432.494405][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.494405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.494405][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.494405][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.494405][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.494405][ T72] [ 2432.496357][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2432.496357][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2432.496357][ T72] ipv6_find_idev+0x102/0x170 [ 2432.496357][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.496357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.496357][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.496357][ T72] netlink_unicast+0x449/0x710 [ 2432.496357][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.496357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.496357][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.496357][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.496357][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.496357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.496357][ T72] [ 2432.497880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2432.497880][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2432.497880][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2432.497880][ T72] ipv6_find_idev+0x102/0x170 [ 2432.497880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.497880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.497880][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.497880][ T72] netlink_unicast+0x449/0x710 [ 2432.497880][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.497880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.497880][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.497880][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.497880][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.497880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.497880][ T72] [ 2432.499631][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2432.499921][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2432.499921][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2432.499921][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2432.499921][ T72] fib6_nh_init+0xa22/0x1580 [ 2432.499921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.499921][ T72] ip6_route_add+0x1c/0x140 [ 2432.499921][ T72] inet6_rtm_newroute+0x104/0x110 [ 2432.499921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.499921][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.499921][ T72] netlink_unicast+0x449/0x710 [ 2432.499921][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.499921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.499921][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.499921][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.499921][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.499921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.499921][ T72] [ 2432.501901][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2432.501901][ T72] dst_init+0x84/0x4a0 [ 2432.501901][ T72] dst_alloc+0x97/0x150 [ 2432.501901][ T72] ip6_dst_alloc+0x23/0x90 [ 2432.501901][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2432.501901][ T72] ip6_pol_route+0x56f/0x840 [ 2432.501901][ T72] fib6_rule_lookup+0x456/0x630 [ 2432.501901][ T72] ip6_route_input+0x59c/0xa50 [ 2432.501901][ T72] ipv6_rcv+0x397/0x810 [ 2432.501901][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2432.501901][ T72] process_backlog+0x101/0x620 [ 2432.501901][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2432.501901][ T72] net_rx_action+0x495/0xbe0 [ 2432.501901][ T72] __do_softirq+0x1b5/0x7f6 [ 2432.501901][ T72] [ 2432.503668][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2432.503668][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.503668][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.503668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.503668][ T72] ip6_route_add+0x1c/0x140 [ 2432.503668][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2432.503668][ T72] inet6_addr_add+0x4f8/0xa40 [ 2432.503668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.503668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.503668][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.503668][ T72] netlink_unicast+0x449/0x710 [ 2432.503668][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.503668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.503668][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.503668][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.503668][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.503668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.503668][ T72] [ 2432.505765][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2432.505765][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.505765][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.505765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.505765][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2432.505765][ T72] ipv6_add_addr+0x411/0x2000 [ 2432.505765][ T72] inet6_addr_add+0x30e/0xa40 [ 2432.505765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.505765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.505765][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.505765][ T72] netlink_unicast+0x449/0x710 [ 2432.505765][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.505765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.505765][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.505765][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.505765][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.505765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.505765][ T72] [ 2432.507886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2432.507886][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.507886][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.507886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.507886][ T72] ip6_route_add+0x1c/0x140 [ 2432.507886][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2432.507886][ T72] addrconf_add_dev+0xe2/0x170 [ 2432.507886][ T72] inet6_addr_add+0x12f/0xa40 [ 2432.507886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.507886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.507886][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.507886][ T72] netlink_unicast+0x449/0x710 [ 2432.507886][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.507886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.507886][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.507886][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.507886][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.507886][ T72] [ 2432.510036][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2432.510036][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2432.510036][ T72] ipv6_find_idev+0x102/0x170 [ 2432.510036][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.510036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.510036][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.510036][ T72] netlink_unicast+0x449/0x710 [ 2432.510036][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.510036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.510036][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.510036][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.510036][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.510036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.510036][ T72] [ 2432.511620][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2432.511620][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2432.511620][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2432.511620][ T72] ipv6_find_idev+0x102/0x170 [ 2432.511620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.511620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.511620][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.511620][ T72] netlink_unicast+0x449/0x710 [ 2432.511620][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.511620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.511620][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.511620][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.511620][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.511620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.511620][ T72] [ 2432.513436][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2432.513712][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2432.513712][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.513712][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.513712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.513712][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2432.513712][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2432.513712][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2432.513712][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2432.513712][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2432.513712][ T72] addrconf_dad_begin+0x310/0x670 [ 2432.513712][ T72] addrconf_dad_work+0x10b/0xab0 [ 2432.513712][ T72] process_one_work+0x84d/0x18a0 [ 2432.513712][ T72] worker_thread+0x587/0xd30 [ 2432.513712][ T72] kthread+0x28a/0x350 [ 2432.513712][ T72] ret_from_fork+0x31/0x70 [ 2432.513712][ T72] ret_from_fork_asm+0x1a/0x30 [ 2432.513712][ T72] [ 2432.515742][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2432.515742][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.515742][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.515742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.515742][ T72] ip6_route_add+0x1c/0x140 [ 2432.515742][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2432.515742][ T72] inet6_addr_add+0x4f8/0xa40 [ 2432.515742][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.515742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.515742][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.515742][ T72] netlink_unicast+0x449/0x710 [ 2432.515742][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.515742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.515742][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.515742][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.515742][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.515742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.515742][ T72] [ 2432.517863][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2432.517863][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.517863][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.517863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.517863][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2432.517863][ T72] ipv6_add_addr+0x411/0x2000 [ 2432.517863][ T72] inet6_addr_add+0x30e/0xa40 [ 2432.517863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.517863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.517863][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.517863][ T72] netlink_unicast+0x449/0x710 [ 2432.517863][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.517863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.517863][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.517863][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.517863][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.517863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.517863][ T72] [ 2432.519967][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2432.519967][ T72] netdev_get_by_index+0x5e/0x80 [ 2432.519967][ T72] fib6_nh_init+0x3d8/0x1580 [ 2432.519967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2432.519967][ T72] ip6_route_add+0x1c/0x140 [ 2432.519967][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2432.519967][ T72] addrconf_add_dev+0xe2/0x170 [ 2432.519967][ T72] inet6_addr_add+0x12f/0xa40 [ 2432.519967][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.519967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.519967][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.519967][ T72] netlink_unicast+0x449/0x710 [ 2432.519967][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.519967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.519967][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.519967][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.519967][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.519967][ T72] [ 2432.522117][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2432.522117][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2432.522117][ T72] ipv6_find_idev+0x102/0x170 [ 2432.522117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.522117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.522117][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.522117][ T72] netlink_unicast+0x449/0x710 [ 2432.522117][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.522117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.522117][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.522117][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.522117][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.522117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.522117][ T72] [ 2432.523713][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2432.523713][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2432.523713][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2432.523713][ T72] ipv6_find_idev+0x102/0x170 [ 2432.523713][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.523713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.523713][ T72] netlink_rcv_skb+0x130/0x360 [ 2432.523713][ T72] netlink_unicast+0x449/0x710 [ 2432.523713][ T72] netlink_sendmsg+0x723/0xbe0 [ 2432.523713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2432.523713][ T72] ___sys_sendmsg+0xee/0x170 [ 2432.523713][ T72] __sys_sendmsg+0xcd/0x170 [ 2432.523713][ T72] do_syscall_64+0xc6/0x1e0 [ 2432.523713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.523713][ T72] [ 2442.768959][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2442.769467][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2442.769467][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2442.769467][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2442.769467][ T72] fib6_nh_init+0xa22/0x1580 [ 2442.769467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.769467][ T72] ip6_route_add+0x1c/0x140 [ 2442.769467][ T72] inet6_rtm_newroute+0x104/0x110 [ 2442.769467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.769467][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.769467][ T72] netlink_unicast+0x449/0x710 [ 2442.769467][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.769467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.769467][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.769467][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.769467][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.769467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.769467][ T72] [ 2442.771355][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2442.771355][ T72] dst_init+0x84/0x4a0 [ 2442.771355][ T72] dst_alloc+0x97/0x150 [ 2442.771355][ T72] ip6_dst_alloc+0x23/0x90 [ 2442.771355][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2442.771355][ T72] ip6_pol_route+0x56f/0x840 [ 2442.771355][ T72] fib6_rule_lookup+0x456/0x630 [ 2442.771355][ T72] ip6_route_input+0x59c/0xa50 [ 2442.771355][ T72] ipv6_rcv+0x397/0x810 [ 2442.771355][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2442.771355][ T72] process_backlog+0x101/0x620 [ 2442.771355][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2442.771355][ T72] net_rx_action+0x495/0xbe0 [ 2442.771355][ T72] __do_softirq+0x1b5/0x7f6 [ 2442.771355][ T72] [ 2442.772997][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2442.772997][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.772997][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.772997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.772997][ T72] ip6_route_add+0x1c/0x140 [ 2442.772997][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2442.772997][ T72] inet6_addr_add+0x4f8/0xa40 [ 2442.772997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.772997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.772997][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.772997][ T72] netlink_unicast+0x449/0x710 [ 2442.772997][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.772997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.772997][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.772997][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.772997][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.772997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.772997][ T72] [ 2442.774961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2442.774961][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.774961][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.774961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.774961][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2442.774961][ T72] ipv6_add_addr+0x411/0x2000 [ 2442.774961][ T72] inet6_addr_add+0x30e/0xa40 [ 2442.774961][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.774961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.774961][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.774961][ T72] netlink_unicast+0x449/0x710 [ 2442.774961][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.774961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.774961][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.774961][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.774961][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.774961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.774961][ T72] [ 2442.777023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2442.777023][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.777023][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.777023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.777023][ T72] ip6_route_add+0x1c/0x140 [ 2442.777023][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.777023][ T72] addrconf_add_dev+0xe2/0x170 [ 2442.777023][ T72] inet6_addr_add+0x12f/0xa40 [ 2442.777023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.777023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.777023][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.777023][ T72] netlink_unicast+0x449/0x710 [ 2442.777023][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.777023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.777023][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.777023][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.777023][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.777023][ T72] [ 2442.778998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2442.778998][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2442.778998][ T72] ipv6_find_idev+0x102/0x170 [ 2442.778998][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.778998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.778998][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.778998][ T72] netlink_unicast+0x449/0x710 [ 2442.778998][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.778998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.778998][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.778998][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.778998][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.778998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.778998][ T72] [ 2442.780505][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2442.780505][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2442.780505][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2442.780505][ T72] ipv6_find_idev+0x102/0x170 [ 2442.780505][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.780505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.780505][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.780505][ T72] netlink_unicast+0x449/0x710 [ 2442.780505][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.780505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.780505][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.780505][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.780505][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.780505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.780505][ T72] [ 2442.782202][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2442.782487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2442.782487][ T72] dst_init+0x84/0x4a0 [ 2442.782487][ T72] dst_alloc+0x97/0x150 [ 2442.782487][ T72] ip6_dst_alloc+0x23/0x90 [ 2442.782487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2442.782487][ T72] ip6_pol_route+0x56f/0x840 [ 2442.782487][ T72] fib6_rule_lookup+0x456/0x630 [ 2442.782487][ T72] ip6_route_input+0x59c/0xa50 [ 2442.782487][ T72] ipv6_rcv+0x397/0x810 [ 2442.782487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2442.782487][ T72] process_backlog+0x101/0x620 [ 2442.782487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2442.782487][ T72] net_rx_action+0x495/0xbe0 [ 2442.782487][ T72] __do_softirq+0x1b5/0x7f6 [ 2442.782487][ T72] [ 2442.784148][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2442.784148][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.784148][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.784148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.784148][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2442.784148][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2442.784148][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2442.784148][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2442.784148][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2442.784148][ T72] addrconf_dad_begin+0x310/0x670 [ 2442.784148][ T72] addrconf_dad_work+0x10b/0xab0 [ 2442.784148][ T72] process_one_work+0x84d/0x18a0 [ 2442.784148][ T72] worker_thread+0x587/0xd30 [ 2442.784148][ T72] kthread+0x28a/0x350 [ 2442.784148][ T72] ret_from_fork+0x31/0x70 [ 2442.784148][ T72] ret_from_fork_asm+0x1a/0x30 [ 2442.784148][ T72] [ 2442.786048][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2442.786048][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.786048][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.786048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.786048][ T72] ip6_route_add+0x1c/0x140 [ 2442.786048][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2442.786048][ T72] inet6_addr_add+0x4f8/0xa40 [ 2442.786048][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.786048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.786048][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.786048][ T72] netlink_unicast+0x449/0x710 [ 2442.786048][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.786048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.786048][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.786048][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.786048][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.786048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.786048][ T72] [ 2442.788064][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2442.788064][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.788064][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.788064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.788064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2442.788064][ T72] ipv6_add_addr+0x411/0x2000 [ 2442.788064][ T72] inet6_addr_add+0x30e/0xa40 [ 2442.788064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.788064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.788064][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.788064][ T72] netlink_unicast+0x449/0x710 [ 2442.788064][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.788064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.788064][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.788064][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.788064][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.788064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.788064][ T72] [ 2442.790058][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2442.790058][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.790058][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.790058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.790058][ T72] ip6_route_add+0x1c/0x140 [ 2442.790058][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.790058][ T72] addrconf_add_dev+0xe2/0x170 [ 2442.790058][ T72] inet6_addr_add+0x12f/0xa40 [ 2442.790058][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.790058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.790058][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.790058][ T72] netlink_unicast+0x449/0x710 [ 2442.790058][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.790058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.790058][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.790058][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.790058][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.790058][ T72] [ 2442.792027][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2442.792027][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2442.792027][ T72] ipv6_find_idev+0x102/0x170 [ 2442.792027][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.792027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.792027][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.792027][ T72] netlink_unicast+0x449/0x710 [ 2442.792027][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.792027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.792027][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.792027][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.792027][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.792027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.792027][ T72] [ 2442.793568][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2442.793568][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2442.793568][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2442.793568][ T72] ipv6_find_idev+0x102/0x170 [ 2442.793568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.793568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.793568][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.793568][ T72] netlink_unicast+0x449/0x710 [ 2442.793568][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.793568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.793568][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.793568][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.793568][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.793568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.793568][ T72] [ 2442.795418][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2442.795689][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2442.795689][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2442.795689][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2442.795689][ T72] fib6_nh_init+0xa22/0x1580 [ 2442.795689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.795689][ T72] ip6_route_add+0x1c/0x140 [ 2442.795689][ T72] inet6_rtm_newroute+0x104/0x110 [ 2442.795689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.795689][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.795689][ T72] netlink_unicast+0x449/0x710 [ 2442.795689][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.795689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.795689][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.795689][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.795689][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.795689][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.795689][ T72] [ 2442.797835][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2442.797835][ T72] dst_init+0x84/0x4a0 [ 2442.797835][ T72] dst_alloc+0x97/0x150 [ 2442.797835][ T72] ip6_dst_alloc+0x23/0x90 [ 2442.797835][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2442.797835][ T72] ip6_pol_route+0x56f/0x840 [ 2442.797835][ T72] fib6_rule_lookup+0x456/0x630 [ 2442.797835][ T72] ip6_route_input+0x59c/0xa50 [ 2442.797835][ T72] ipv6_rcv+0x397/0x810 [ 2442.797835][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2442.797835][ T72] process_backlog+0x101/0x620 [ 2442.797835][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2442.797835][ T72] net_rx_action+0x495/0xbe0 [ 2442.797835][ T72] __do_softirq+0x1b5/0x7f6 [ 2442.797835][ T72] [ 2442.799672][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2442.799672][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.799672][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.799672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.799672][ T72] ip6_route_add+0x1c/0x140 [ 2442.799672][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2442.799672][ T72] inet6_addr_add+0x4f8/0xa40 [ 2442.799672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.799672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.799672][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.799672][ T72] netlink_unicast+0x449/0x710 [ 2442.799672][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.799672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.799672][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.799672][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.799672][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.799672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.799672][ T72] [ 2442.801995][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2442.801995][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.801995][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.801995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.801995][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2442.801995][ T72] ipv6_add_addr+0x411/0x2000 [ 2442.801995][ T72] inet6_addr_add+0x30e/0xa40 [ 2442.801995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.801995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.801995][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.801995][ T72] netlink_unicast+0x449/0x710 [ 2442.801995][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.801995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.801995][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.801995][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.801995][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.801995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.801995][ T72] [ 2442.804192][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2442.804192][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.804192][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.804192][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.804192][ T72] ip6_route_add+0x1c/0x140 [ 2442.804192][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.804192][ T72] addrconf_add_dev+0xe2/0x170 [ 2442.804192][ T72] inet6_addr_add+0x12f/0xa40 [ 2442.804192][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.804192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.804192][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.804192][ T72] netlink_unicast+0x449/0x710 [ 2442.804192][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.804192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.804192][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.804192][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.804192][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.804192][ T72] [ 2442.806436][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2442.806436][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2442.806436][ T72] ipv6_find_idev+0x102/0x170 [ 2442.806436][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.806436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.806436][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.806436][ T72] netlink_unicast+0x449/0x710 [ 2442.806436][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.806436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.806436][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.806436][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.806436][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.806436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.806436][ T72] [ 2442.808159][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2442.808159][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2442.808159][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2442.808159][ T72] ipv6_find_idev+0x102/0x170 [ 2442.808159][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.808159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.808159][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.808159][ T72] netlink_unicast+0x449/0x710 [ 2442.808159][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.808159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.808159][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.808159][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.808159][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.808159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.808159][ T72] [ 2442.810044][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2442.810451][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2442.810451][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.810451][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.810451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.810451][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2442.810451][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2442.810451][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2442.810451][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2442.810451][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2442.810451][ T72] addrconf_dad_begin+0x310/0x670 [ 2442.810451][ T72] addrconf_dad_work+0x10b/0xab0 [ 2442.810451][ T72] process_one_work+0x84d/0x18a0 [ 2442.810451][ T72] worker_thread+0x587/0xd30 [ 2442.810451][ T72] kthread+0x28a/0x350 [ 2442.810451][ T72] ret_from_fork+0x31/0x70 [ 2442.810451][ T72] ret_from_fork_asm+0x1a/0x30 [ 2442.810451][ T72] [ 2442.812483][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2442.812483][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.812483][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.812483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.812483][ T72] ip6_route_add+0x1c/0x140 [ 2442.812483][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2442.812483][ T72] inet6_addr_add+0x4f8/0xa40 [ 2442.812483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.812483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.812483][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.812483][ T72] netlink_unicast+0x449/0x710 [ 2442.812483][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.812483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.812483][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.812483][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.812483][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.812483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.812483][ T72] [ 2442.814738][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2442.814738][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.814738][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.814738][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.814738][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2442.814738][ T72] ipv6_add_addr+0x411/0x2000 [ 2442.814738][ T72] inet6_addr_add+0x30e/0xa40 [ 2442.814738][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.814738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.814738][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.814738][ T72] netlink_unicast+0x449/0x710 [ 2442.814738][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.814738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.814738][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.814738][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.814738][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.814738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.814738][ T72] [ 2442.816997][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2442.816997][ T72] netdev_get_by_index+0x5e/0x80 [ 2442.816997][ T72] fib6_nh_init+0x3d8/0x1580 [ 2442.816997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2442.816997][ T72] ip6_route_add+0x1c/0x140 [ 2442.816997][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.816997][ T72] addrconf_add_dev+0xe2/0x170 [ 2442.816997][ T72] inet6_addr_add+0x12f/0xa40 [ 2442.816997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.816997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.816997][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.816997][ T72] netlink_unicast+0x449/0x710 [ 2442.816997][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.816997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.816997][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.816997][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.816997][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.816997][ T72] [ 2442.819211][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2442.819211][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2442.819211][ T72] ipv6_find_idev+0x102/0x170 [ 2442.819211][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.819211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.819211][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.819211][ T72] netlink_unicast+0x449/0x710 [ 2442.819211][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.819211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.819211][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.819211][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.819211][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.819211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.819211][ T72] [ 2442.821042][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2442.821042][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2442.821042][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2442.821042][ T72] ipv6_find_idev+0x102/0x170 [ 2442.821042][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.821042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.821042][ T72] netlink_rcv_skb+0x130/0x360 [ 2442.821042][ T72] netlink_unicast+0x449/0x710 [ 2442.821042][ T72] netlink_sendmsg+0x723/0xbe0 [ 2442.821042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2442.821042][ T72] ___sys_sendmsg+0xee/0x170 [ 2442.821042][ T72] __sys_sendmsg+0xcd/0x170 [ 2442.821042][ T72] do_syscall_64+0xc6/0x1e0 [ 2442.821042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.821042][ T72] [ 2453.064973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2453.066110][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2453.066110][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2453.066110][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2453.066110][ T72] fib6_nh_init+0xa22/0x1580 [ 2453.066110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.066110][ T72] ip6_route_add+0x1c/0x140 [ 2453.066110][ T72] inet6_rtm_newroute+0x104/0x110 [ 2453.066110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.066110][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.066110][ T72] netlink_unicast+0x449/0x710 [ 2453.066110][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.066110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.066110][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.066110][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.066110][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.066110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.066110][ T72] [ 2453.068144][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2453.068144][ T72] dst_init+0x84/0x4a0 [ 2453.068144][ T72] dst_alloc+0x97/0x150 [ 2453.068144][ T72] ip6_dst_alloc+0x23/0x90 [ 2453.068144][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2453.068144][ T72] ip6_pol_route+0x56f/0x840 [ 2453.068144][ T72] fib6_rule_lookup+0x456/0x630 [ 2453.068144][ T72] ip6_route_input+0x59c/0xa50 [ 2453.068144][ T72] ipv6_rcv+0x397/0x810 [ 2453.068144][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2453.068144][ T72] process_backlog+0x101/0x620 [ 2453.068144][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2453.068144][ T72] net_rx_action+0x495/0xbe0 [ 2453.068144][ T72] __do_softirq+0x1b5/0x7f6 [ 2453.068144][ T72] [ 2453.069748][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2453.069748][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.069748][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.069748][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.069748][ T72] ip6_route_add+0x1c/0x140 [ 2453.069748][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2453.069748][ T72] inet6_addr_add+0x4f8/0xa40 [ 2453.069748][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.069748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.069748][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.069748][ T72] netlink_unicast+0x449/0x710 [ 2453.069748][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.069748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.069748][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.069748][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.069748][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.069748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.069748][ T72] [ 2453.071663][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2453.071663][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.071663][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.071663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.071663][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2453.071663][ T72] ipv6_add_addr+0x411/0x2000 [ 2453.071663][ T72] inet6_addr_add+0x30e/0xa40 [ 2453.071663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.071663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.071663][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.071663][ T72] netlink_unicast+0x449/0x710 [ 2453.071663][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.071663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.071663][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.071663][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.071663][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.071663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.071663][ T72] [ 2453.073610][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2453.073610][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.073610][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.073610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.073610][ T72] ip6_route_add+0x1c/0x140 [ 2453.073610][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2453.073610][ T72] addrconf_add_dev+0xe2/0x170 [ 2453.073610][ T72] inet6_addr_add+0x12f/0xa40 [ 2453.073610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.073610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.073610][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.073610][ T72] netlink_unicast+0x449/0x710 [ 2453.073610][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.073610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.073610][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.073610][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.073610][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.073610][ T72] [ 2453.075537][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2453.075537][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2453.075537][ T72] ipv6_find_idev+0x102/0x170 [ 2453.075537][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2453.075537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.075537][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.075537][ T72] netlink_unicast+0x449/0x710 [ 2453.075537][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.075537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.075537][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.075537][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.075537][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.075537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.075537][ T72] [ 2453.077072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2453.077072][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2453.077072][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2453.077072][ T72] ipv6_find_idev+0x102/0x170 [ 2453.077072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2453.077072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.077072][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.077072][ T72] netlink_unicast+0x449/0x710 [ 2453.077072][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.077072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.077072][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.077072][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.077072][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.077072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.077072][ T72] [ 2453.078874][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2453.079179][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2453.079179][ T72] dst_init+0x84/0x4a0 [ 2453.079179][ T72] dst_alloc+0x97/0x150 [ 2453.079179][ T72] ip6_dst_alloc+0x23/0x90 [ 2453.079179][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2453.079179][ T72] ip6_pol_route+0x56f/0x840 [ 2453.079179][ T72] fib6_rule_lookup+0x456/0x630 [ 2453.079179][ T72] ip6_route_input+0x59c/0xa50 [ 2453.079179][ T72] ipv6_rcv+0x397/0x810 [ 2453.079179][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2453.079179][ T72] process_backlog+0x101/0x620 [ 2453.079179][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2453.079179][ T72] net_rx_action+0x495/0xbe0 [ 2453.079179][ T72] __do_softirq+0x1b5/0x7f6 [ 2453.079179][ T72] [ 2453.080848][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2453.080848][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.080848][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.080848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.080848][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2453.080848][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2453.080848][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2453.080848][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2453.080848][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2453.080848][ T72] addrconf_dad_begin+0x310/0x670 [ 2453.080848][ T72] addrconf_dad_work+0x10b/0xab0 [ 2453.080848][ T72] process_one_work+0x84d/0x18a0 [ 2453.080848][ T72] worker_thread+0x587/0xd30 [ 2453.080848][ T72] kthread+0x28a/0x350 [ 2453.080848][ T72] ret_from_fork+0x31/0x70 [ 2453.080848][ T72] ret_from_fork_asm+0x1a/0x30 [ 2453.080848][ T72] [ 2453.082780][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2453.082780][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.082780][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.082780][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.082780][ T72] ip6_route_add+0x1c/0x140 [ 2453.082780][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2453.082780][ T72] inet6_addr_add+0x4f8/0xa40 [ 2453.082780][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.082780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.082780][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.082780][ T72] netlink_unicast+0x449/0x710 [ 2453.082780][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.082780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.082780][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.082780][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.082780][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.082780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.082780][ T72] [ 2453.084809][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2453.084809][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.084809][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.084809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.084809][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2453.084809][ T72] ipv6_add_addr+0x411/0x2000 [ 2453.084809][ T72] inet6_addr_add+0x30e/0xa40 [ 2453.084809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.084809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.084809][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.084809][ T72] netlink_unicast+0x449/0x710 [ 2453.084809][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.084809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.084809][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.084809][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.084809][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.084809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.084809][ T72] [ 2453.086811][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2453.086811][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.086811][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.086811][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.086811][ T72] ip6_route_add+0x1c/0x140 [ 2453.086811][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2453.086811][ T72] addrconf_add_dev+0xe2/0x170 [ 2453.086811][ T72] inet6_addr_add+0x12f/0xa40 [ 2453.086811][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.086811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.086811][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.086811][ T72] netlink_unicast+0x449/0x710 [ 2453.086811][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.086811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.086811][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.086811][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.086811][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.086811][ T72] [ 2453.088778][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2453.088778][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2453.088778][ T72] ipv6_find_idev+0x102/0x170 [ 2453.088778][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2453.088778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.088778][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.088778][ T72] netlink_unicast+0x449/0x710 [ 2453.088778][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.088778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.088778][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.088778][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.088778][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.088778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.088778][ T72] [ 2453.090301][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2453.090301][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2453.090301][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2453.090301][ T72] ipv6_find_idev+0x102/0x170 [ 2453.090301][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2453.090301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.090301][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.090301][ T72] netlink_unicast+0x449/0x710 [ 2453.090301][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.090301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.090301][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.090301][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.090301][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.090301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.090301][ T72] [ 2453.092090][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2453.092391][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2453.092391][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2453.092391][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2453.092391][ T72] fib6_nh_init+0xa22/0x1580 [ 2453.092391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.092391][ T72] ip6_route_add+0x1c/0x140 [ 2453.092391][ T72] inet6_rtm_newroute+0x104/0x110 [ 2453.092391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.092391][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.092391][ T72] netlink_unicast+0x449/0x710 [ 2453.092391][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.092391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.092391][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.092391][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.092391][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.092391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.092391][ T72] [ 2453.094604][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2453.094604][ T72] dst_init+0x84/0x4a0 [ 2453.094604][ T72] dst_alloc+0x97/0x150 [ 2453.094604][ T72] ip6_dst_alloc+0x23/0x90 [ 2453.094604][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2453.094604][ T72] ip6_pol_route+0x56f/0x840 [ 2453.094604][ T72] fib6_rule_lookup+0x456/0x630 [ 2453.094604][ T72] ip6_route_input+0x59c/0xa50 [ 2453.094604][ T72] ipv6_rcv+0x397/0x810 [ 2453.094604][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2453.094604][ T72] process_backlog+0x101/0x620 [ 2453.094604][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2453.094604][ T72] net_rx_action+0x495/0xbe0 [ 2453.094604][ T72] __do_softirq+0x1b5/0x7f6 [ 2453.094604][ T72] [ 2453.096432][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2453.096432][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.096432][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.096432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.096432][ T72] ip6_route_add+0x1c/0x140 [ 2453.096432][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2453.096432][ T72] inet6_addr_add+0x4f8/0xa40 [ 2453.096432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.096432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.096432][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.096432][ T72] netlink_unicast+0x449/0x710 [ 2453.096432][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.096432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.096432][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.096432][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.096432][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.096432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.096432][ T72] [ 2453.098678][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2453.098678][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.098678][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.098678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.098678][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2453.098678][ T72] ipv6_add_addr+0x411/0x2000 [ 2453.098678][ T72] inet6_addr_add+0x30e/0xa40 [ 2453.098678][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.098678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.098678][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.098678][ T72] netlink_unicast+0x449/0x710 [ 2453.098678][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.098678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.098678][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.098678][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.098678][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.098678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.098678][ T72] [ 2453.100852][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2453.100852][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.100852][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.100852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.100852][ T72] ip6_route_add+0x1c/0x140 [ 2453.100852][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2453.100852][ T72] addrconf_add_dev+0xe2/0x170 [ 2453.100852][ T72] inet6_addr_add+0x12f/0xa40 [ 2453.100852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.100852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.100852][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.100852][ T72] netlink_unicast+0x449/0x710 [ 2453.100852][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.100852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.100852][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.100852][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.100852][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.100852][ T72] [ 2453.103129][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2453.103129][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2453.103129][ T72] ipv6_find_idev+0x102/0x170 [ 2453.103129][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2453.103129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.103129][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.103129][ T72] netlink_unicast+0x449/0x710 [ 2453.103129][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.103129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.103129][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.103129][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.103129][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.103129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.103129][ T72] [ 2453.104846][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2453.104846][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2453.104846][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2453.104846][ T72] ipv6_find_idev+0x102/0x170 [ 2453.104846][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2453.104846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.104846][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.104846][ T72] netlink_unicast+0x449/0x710 [ 2453.104846][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.104846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.104846][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.104846][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.104846][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.104846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.104846][ T72] [ 2453.106780][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2453.107073][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2453.107073][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.107073][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.107073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.107073][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2453.107073][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2453.107073][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2453.107073][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2453.107073][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2453.107073][ T72] addrconf_dad_begin+0x310/0x670 [ 2453.107073][ T72] addrconf_dad_work+0x10b/0xab0 [ 2453.107073][ T72] process_one_work+0x84d/0x18a0 [ 2453.107073][ T72] worker_thread+0x587/0xd30 [ 2453.107073][ T72] kthread+0x28a/0x350 [ 2453.107073][ T72] ret_from_fork+0x31/0x70 [ 2453.107073][ T72] ret_from_fork_asm+0x1a/0x30 [ 2453.107073][ T72] [ 2453.109243][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2453.109243][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.109243][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.109243][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.109243][ T72] ip6_route_add+0x1c/0x140 [ 2453.109243][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2453.109243][ T72] inet6_addr_add+0x4f8/0xa40 [ 2453.109243][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.109243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.109243][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.109243][ T72] netlink_unicast+0x449/0x710 [ 2453.109243][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.109243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.109243][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.109243][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.109243][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.109243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.109243][ T72] [ 2453.111498][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2453.111498][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.111498][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.111498][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.111498][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2453.111498][ T72] ipv6_add_addr+0x411/0x2000 [ 2453.111498][ T72] inet6_addr_add+0x30e/0xa40 [ 2453.111498][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.111498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.111498][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.111498][ T72] netlink_unicast+0x449/0x710 [ 2453.111498][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.111498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.111498][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.111498][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.111498][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.111498][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.111498][ T72] [ 2453.113805][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2453.113805][ T72] netdev_get_by_index+0x5e/0x80 [ 2453.113805][ T72] fib6_nh_init+0x3d8/0x1580 [ 2453.113805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2453.113805][ T72] ip6_route_add+0x1c/0x140 [ 2453.113805][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2453.113805][ T72] addrconf_add_dev+0xe2/0x170 [ 2453.113805][ T72] inet6_addr_add+0x12f/0xa40 [ 2453.113805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2453.113805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.113805][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.113805][ T72] netlink_unicast+0x449/0x710 [ 2453.113805][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.113805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.113805][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.113805][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.113805][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.113805][ T72] [ 2453.115960][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2453.115960][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2453.115960][ T72] ipv6_find_idev+0x102/0x170 [ 2453.115960][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2453.115960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.115960][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.115960][ T72] netlink_unicast+0x449/0x710 [ 2453.115960][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.115960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.115960][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.115960][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.115960][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.115960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.115960][ T72] [ 2453.117691][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2453.117691][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2453.117691][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2453.117691][ T72] ipv6_find_idev+0x102/0x170 [ 2453.117691][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2453.117691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2453.117691][ T72] netlink_rcv_skb+0x130/0x360 [ 2453.117691][ T72] netlink_unicast+0x449/0x710 [ 2453.117691][ T72] netlink_sendmsg+0x723/0xbe0 [ 2453.117691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2453.117691][ T72] ___sys_sendmsg+0xee/0x170 [ 2453.117691][ T72] __sys_sendmsg+0xcd/0x170 [ 2453.117691][ T72] do_syscall_64+0xc6/0x1e0 [ 2453.117691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2453.117691][ T72] [ 2463.136929][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2463.137556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2463.137556][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2463.137556][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2463.137556][ T72] fib6_nh_init+0xa22/0x1580 [ 2463.137556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.137556][ T72] ip6_route_add+0x1c/0x140 [ 2463.137556][ T72] inet6_rtm_newroute+0x104/0x110 [ 2463.137556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.137556][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.137556][ T72] netlink_unicast+0x449/0x710 [ 2463.137556][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.137556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.137556][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.137556][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.137556][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.137556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.137556][ T72] [ 2463.139424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2463.139424][ T72] dst_init+0x84/0x4a0 [ 2463.139424][ T72] dst_alloc+0x97/0x150 [ 2463.139424][ T72] ip6_dst_alloc+0x23/0x90 [ 2463.139424][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2463.139424][ T72] ip6_pol_route+0x56f/0x840 [ 2463.139424][ T72] fib6_rule_lookup+0x456/0x630 [ 2463.139424][ T72] ip6_route_input+0x59c/0xa50 [ 2463.139424][ T72] ipv6_rcv+0x397/0x810 [ 2463.139424][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2463.139424][ T72] process_backlog+0x101/0x620 [ 2463.139424][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2463.139424][ T72] net_rx_action+0x495/0xbe0 [ 2463.139424][ T72] __do_softirq+0x1b5/0x7f6 [ 2463.139424][ T72] [ 2463.141106][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2463.141106][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.141106][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.141106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.141106][ T72] ip6_route_add+0x1c/0x140 [ 2463.141106][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2463.141106][ T72] inet6_addr_add+0x4f8/0xa40 [ 2463.141106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.141106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.141106][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.141106][ T72] netlink_unicast+0x449/0x710 [ 2463.141106][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.141106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.141106][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.141106][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.141106][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.141106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.141106][ T72] [ 2463.143048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2463.143048][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.143048][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.143048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.143048][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2463.143048][ T72] ipv6_add_addr+0x411/0x2000 [ 2463.143048][ T72] inet6_addr_add+0x30e/0xa40 [ 2463.143048][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.143048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.143048][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.143048][ T72] netlink_unicast+0x449/0x710 [ 2463.143048][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.143048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.143048][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.143048][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.143048][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.143048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.143048][ T72] [ 2463.145057][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2463.145057][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.145057][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.145057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.145057][ T72] ip6_route_add+0x1c/0x140 [ 2463.145057][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2463.145057][ T72] addrconf_add_dev+0xe2/0x170 [ 2463.145057][ T72] inet6_addr_add+0x12f/0xa40 [ 2463.145057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.145057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.145057][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.145057][ T72] netlink_unicast+0x449/0x710 [ 2463.145057][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.145057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.145057][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.145057][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.145057][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.145057][ T72] [ 2463.147027][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2463.147027][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2463.147027][ T72] ipv6_find_idev+0x102/0x170 [ 2463.147027][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2463.147027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.147027][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.147027][ T72] netlink_unicast+0x449/0x710 [ 2463.147027][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.147027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.147027][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.147027][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.147027][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.147027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.147027][ T72] [ 2463.148575][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2463.148575][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2463.148575][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2463.148575][ T72] ipv6_find_idev+0x102/0x170 [ 2463.148575][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2463.148575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.148575][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.148575][ T72] netlink_unicast+0x449/0x710 [ 2463.148575][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.148575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.148575][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.148575][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.148575][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.148575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.148575][ T72] [ 2463.150289][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2463.150567][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2463.150567][ T72] dst_init+0x84/0x4a0 [ 2463.150567][ T72] dst_alloc+0x97/0x150 [ 2463.150567][ T72] ip6_dst_alloc+0x23/0x90 [ 2463.150567][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2463.150567][ T72] ip6_pol_route+0x56f/0x840 [ 2463.150567][ T72] fib6_rule_lookup+0x456/0x630 [ 2463.150567][ T72] ip6_route_input+0x59c/0xa50 [ 2463.150567][ T72] ipv6_rcv+0x397/0x810 [ 2463.150567][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2463.150567][ T72] process_backlog+0x101/0x620 [ 2463.150567][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2463.150567][ T72] net_rx_action+0x495/0xbe0 [ 2463.150567][ T72] __do_softirq+0x1b5/0x7f6 [ 2463.150567][ T72] [ 2463.152223][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2463.152223][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.152223][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.152223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.152223][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2463.152223][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2463.152223][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2463.152223][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2463.152223][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2463.152223][ T72] addrconf_dad_begin+0x310/0x670 [ 2463.152223][ T72] addrconf_dad_work+0x10b/0xab0 [ 2463.152223][ T72] process_one_work+0x84d/0x18a0 [ 2463.152223][ T72] worker_thread+0x587/0xd30 [ 2463.152223][ T72] kthread+0x28a/0x350 [ 2463.152223][ T72] ret_from_fork+0x31/0x70 [ 2463.152223][ T72] ret_from_fork_asm+0x1a/0x30 [ 2463.152223][ T72] [ 2463.154113][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2463.154113][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.154113][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.154113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.154113][ T72] ip6_route_add+0x1c/0x140 [ 2463.154113][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2463.154113][ T72] inet6_addr_add+0x4f8/0xa40 [ 2463.154113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.154113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.154113][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.154113][ T72] netlink_unicast+0x449/0x710 [ 2463.154113][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.154113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.154113][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.154113][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.154113][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.154113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.154113][ T72] [ 2463.156126][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2463.156126][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.156126][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.156126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.156126][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2463.156126][ T72] ipv6_add_addr+0x411/0x2000 [ 2463.156126][ T72] inet6_addr_add+0x30e/0xa40 [ 2463.156126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.156126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.156126][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.156126][ T72] netlink_unicast+0x449/0x710 [ 2463.156126][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.156126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.156126][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.156126][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.156126][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.156126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.156126][ T72] [ 2463.158141][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2463.158141][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.158141][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.158141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.158141][ T72] ip6_route_add+0x1c/0x140 [ 2463.158141][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2463.158141][ T72] addrconf_add_dev+0xe2/0x170 [ 2463.158141][ T72] inet6_addr_add+0x12f/0xa40 [ 2463.158141][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.158141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.158141][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.158141][ T72] netlink_unicast+0x449/0x710 [ 2463.158141][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.158141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.158141][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.158141][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.158141][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.158141][ T72] [ 2463.160577][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2463.160577][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2463.160577][ T72] ipv6_find_idev+0x102/0x170 [ 2463.160577][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2463.160577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.160577][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.160577][ T72] netlink_unicast+0x449/0x710 [ 2463.160577][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.160577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.160577][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.160577][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.160577][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.160577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.160577][ T72] [ 2463.162123][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2463.162123][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2463.162123][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2463.162123][ T72] ipv6_find_idev+0x102/0x170 [ 2463.162123][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2463.162123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.162123][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.162123][ T72] netlink_unicast+0x449/0x710 [ 2463.162123][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.162123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.162123][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.162123][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.162123][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.162123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.162123][ T72] [ 2463.164343][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2463.164622][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2463.164622][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2463.164622][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2463.164622][ T72] fib6_nh_init+0xa22/0x1580 [ 2463.164622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.164622][ T72] ip6_route_add+0x1c/0x140 [ 2463.164622][ T72] inet6_rtm_newroute+0x104/0x110 [ 2463.164622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.164622][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.164622][ T72] netlink_unicast+0x449/0x710 [ 2463.164622][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.164622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.164622][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.164622][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.164622][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.164622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.164622][ T72] [ 2463.166957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2463.166957][ T72] dst_init+0x84/0x4a0 [ 2463.166957][ T72] dst_alloc+0x97/0x150 [ 2463.166957][ T72] ip6_dst_alloc+0x23/0x90 [ 2463.166957][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2463.166957][ T72] ip6_pol_route+0x56f/0x840 [ 2463.166957][ T72] fib6_rule_lookup+0x456/0x630 [ 2463.166957][ T72] ip6_route_input+0x59c/0xa50 [ 2463.166957][ T72] ipv6_rcv+0x397/0x810 [ 2463.166957][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2463.166957][ T72] process_backlog+0x101/0x620 [ 2463.166957][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2463.166957][ T72] net_rx_action+0x495/0xbe0 [ 2463.166957][ T72] __do_softirq+0x1b5/0x7f6 [ 2463.166957][ T72] [ 2463.168810][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2463.168810][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.168810][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.168810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.168810][ T72] ip6_route_add+0x1c/0x140 [ 2463.168810][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2463.168810][ T72] inet6_addr_add+0x4f8/0xa40 [ 2463.168810][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.168810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.168810][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.168810][ T72] netlink_unicast+0x449/0x710 [ 2463.168810][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.168810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.168810][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.168810][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.168810][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.168810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.168810][ T72] [ 2463.171058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2463.171058][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.171058][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.171058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.171058][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2463.171058][ T72] ipv6_add_addr+0x411/0x2000 [ 2463.171058][ T72] inet6_addr_add+0x30e/0xa40 [ 2463.171058][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.171058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.171058][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.171058][ T72] netlink_unicast+0x449/0x710 [ 2463.171058][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.171058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.171058][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.171058][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.171058][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.171058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.171058][ T72] [ 2463.173257][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2463.173257][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.173257][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.173257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.173257][ T72] ip6_route_add+0x1c/0x140 [ 2463.173257][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2463.173257][ T72] addrconf_add_dev+0xe2/0x170 [ 2463.173257][ T72] inet6_addr_add+0x12f/0xa40 [ 2463.173257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.173257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.173257][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.173257][ T72] netlink_unicast+0x449/0x710 [ 2463.173257][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.173257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.173257][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.173257][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.173257][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.173257][ T72] [ 2463.175522][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2463.175522][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2463.175522][ T72] ipv6_find_idev+0x102/0x170 [ 2463.175522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2463.175522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.175522][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.175522][ T72] netlink_unicast+0x449/0x710 [ 2463.175522][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.175522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.175522][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.175522][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.175522][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.175522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.175522][ T72] [ 2463.177270][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2463.177270][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2463.177270][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2463.177270][ T72] ipv6_find_idev+0x102/0x170 [ 2463.177270][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2463.177270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.177270][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.177270][ T72] netlink_unicast+0x449/0x710 [ 2463.177270][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.177270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.177270][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.177270][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.177270][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.177270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.177270][ T72] [ 2463.179108][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2463.179470][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2463.179470][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.179470][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.179470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.179470][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2463.179470][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2463.179470][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2463.179470][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2463.179470][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2463.179470][ T72] addrconf_dad_begin+0x310/0x670 [ 2463.179470][ T72] addrconf_dad_work+0x10b/0xab0 [ 2463.179470][ T72] process_one_work+0x84d/0x18a0 [ 2463.179470][ T72] worker_thread+0x587/0xd30 [ 2463.179470][ T72] kthread+0x28a/0x350 [ 2463.179470][ T72] ret_from_fork+0x31/0x70 [ 2463.179470][ T72] ret_from_fork_asm+0x1a/0x30 [ 2463.179470][ T72] [ 2463.181514][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2463.181514][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.181514][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.181514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.181514][ T72] ip6_route_add+0x1c/0x140 [ 2463.181514][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2463.181514][ T72] inet6_addr_add+0x4f8/0xa40 [ 2463.181514][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.181514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.181514][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.181514][ T72] netlink_unicast+0x449/0x710 [ 2463.181514][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.181514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.181514][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.181514][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.181514][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.181514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.181514][ T72] [ 2463.183776][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2463.183776][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.183776][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.183776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.183776][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2463.183776][ T72] ipv6_add_addr+0x411/0x2000 [ 2463.183776][ T72] inet6_addr_add+0x30e/0xa40 [ 2463.183776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.183776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.183776][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.183776][ T72] netlink_unicast+0x449/0x710 [ 2463.183776][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.183776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.183776][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.183776][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.183776][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.183776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.183776][ T72] [ 2463.186108][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2463.186108][ T72] netdev_get_by_index+0x5e/0x80 [ 2463.186108][ T72] fib6_nh_init+0x3d8/0x1580 [ 2463.186108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2463.186108][ T72] ip6_route_add+0x1c/0x140 [ 2463.186108][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2463.186108][ T72] addrconf_add_dev+0xe2/0x170 [ 2463.186108][ T72] inet6_addr_add+0x12f/0xa40 [ 2463.186108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2463.186108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.186108][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.186108][ T72] netlink_unicast+0x449/0x710 [ 2463.186108][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.186108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.186108][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.186108][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.186108][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.186108][ T72] [ 2463.188309][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2463.188309][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2463.188309][ T72] ipv6_find_idev+0x102/0x170 [ 2463.188309][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2463.188309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.188309][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.188309][ T72] netlink_unicast+0x449/0x710 [ 2463.188309][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.188309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.188309][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.188309][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.188309][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.188309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.188309][ T72] [ 2463.189988][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2463.189988][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2463.189988][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2463.189988][ T72] ipv6_find_idev+0x102/0x170 [ 2463.189988][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2463.189988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2463.189988][ T72] netlink_rcv_skb+0x130/0x360 [ 2463.189988][ T72] netlink_unicast+0x449/0x710 [ 2463.189988][ T72] netlink_sendmsg+0x723/0xbe0 [ 2463.189988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2463.189988][ T72] ___sys_sendmsg+0xee/0x170 [ 2463.189988][ T72] __sys_sendmsg+0xcd/0x170 [ 2463.189988][ T72] do_syscall_64+0xc6/0x1e0 [ 2463.189988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2463.189988][ T72] [ 2473.192976][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2473.193494][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2473.193494][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2473.193494][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2473.193494][ T72] fib6_nh_init+0xa22/0x1580 [ 2473.193494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.193494][ T72] ip6_route_add+0x1c/0x140 [ 2473.193494][ T72] inet6_rtm_newroute+0x104/0x110 [ 2473.193494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.193494][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.193494][ T72] netlink_unicast+0x449/0x710 [ 2473.193494][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.193494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.193494][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.193494][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.193494][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.193494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.193494][ T72] [ 2473.195321][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2473.195321][ T72] dst_init+0x84/0x4a0 [ 2473.195321][ T72] dst_alloc+0x97/0x150 [ 2473.195321][ T72] ip6_dst_alloc+0x23/0x90 [ 2473.195321][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2473.195321][ T72] ip6_pol_route+0x56f/0x840 [ 2473.195321][ T72] fib6_rule_lookup+0x456/0x630 [ 2473.195321][ T72] ip6_route_input+0x59c/0xa50 [ 2473.195321][ T72] ipv6_rcv+0x397/0x810 [ 2473.195321][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2473.195321][ T72] process_backlog+0x101/0x620 [ 2473.195321][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2473.195321][ T72] net_rx_action+0x495/0xbe0 [ 2473.195321][ T72] __do_softirq+0x1b5/0x7f6 [ 2473.195321][ T72] [ 2473.196939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2473.196939][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.196939][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.196939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.196939][ T72] ip6_route_add+0x1c/0x140 [ 2473.196939][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2473.196939][ T72] inet6_addr_add+0x4f8/0xa40 [ 2473.196939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.196939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.196939][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.196939][ T72] netlink_unicast+0x449/0x710 [ 2473.196939][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.196939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.196939][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.196939][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.196939][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.196939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.196939][ T72] [ 2473.198860][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2473.198860][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.198860][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.198860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.198860][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2473.198860][ T72] ipv6_add_addr+0x411/0x2000 [ 2473.198860][ T72] inet6_addr_add+0x30e/0xa40 [ 2473.198860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.198860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.198860][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.198860][ T72] netlink_unicast+0x449/0x710 [ 2473.198860][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.198860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.198860][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.198860][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.198860][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.198860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.198860][ T72] [ 2473.200778][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2473.200778][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.200778][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.200778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.200778][ T72] ip6_route_add+0x1c/0x140 [ 2473.200778][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2473.200778][ T72] addrconf_add_dev+0xe2/0x170 [ 2473.200778][ T72] inet6_addr_add+0x12f/0xa40 [ 2473.200778][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.200778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.200778][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.200778][ T72] netlink_unicast+0x449/0x710 [ 2473.200778][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.200778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.200778][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.200778][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.200778][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.200778][ T72] [ 2473.202665][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2473.202665][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2473.202665][ T72] ipv6_find_idev+0x102/0x170 [ 2473.202665][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2473.202665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.202665][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.202665][ T72] netlink_unicast+0x449/0x710 [ 2473.202665][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.202665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.202665][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.202665][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.202665][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.202665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.202665][ T72] [ 2473.204098][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2473.204098][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2473.204098][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2473.204098][ T72] ipv6_find_idev+0x102/0x170 [ 2473.204098][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2473.204098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.204098][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.204098][ T72] netlink_unicast+0x449/0x710 [ 2473.204098][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.204098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.204098][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.204098][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.204098][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.204098][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.204098][ T72] [ 2473.205847][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2473.206145][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2473.206145][ T72] dst_init+0x84/0x4a0 [ 2473.206145][ T72] dst_alloc+0x97/0x150 [ 2473.206145][ T72] ip6_dst_alloc+0x23/0x90 [ 2473.206145][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2473.206145][ T72] ip6_pol_route+0x56f/0x840 [ 2473.206145][ T72] fib6_rule_lookup+0x456/0x630 [ 2473.206145][ T72] ip6_route_input+0x59c/0xa50 [ 2473.206145][ T72] ipv6_rcv+0x397/0x810 [ 2473.206145][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2473.206145][ T72] process_backlog+0x101/0x620 [ 2473.206145][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2473.206145][ T72] net_rx_action+0x495/0xbe0 [ 2473.206145][ T72] __do_softirq+0x1b5/0x7f6 [ 2473.206145][ T72] [ 2473.207801][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2473.207801][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.207801][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.207801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.207801][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2473.207801][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2473.207801][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2473.207801][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2473.207801][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2473.207801][ T72] addrconf_dad_begin+0x310/0x670 [ 2473.207801][ T72] addrconf_dad_work+0x10b/0xab0 [ 2473.207801][ T72] process_one_work+0x84d/0x18a0 [ 2473.207801][ T72] worker_thread+0x587/0xd30 [ 2473.207801][ T72] kthread+0x28a/0x350 [ 2473.207801][ T72] ret_from_fork+0x31/0x70 [ 2473.207801][ T72] ret_from_fork_asm+0x1a/0x30 [ 2473.207801][ T72] [ 2473.209736][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2473.209736][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.209736][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.209736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.209736][ T72] ip6_route_add+0x1c/0x140 [ 2473.209736][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2473.209736][ T72] inet6_addr_add+0x4f8/0xa40 [ 2473.209736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.209736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.209736][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.209736][ T72] netlink_unicast+0x449/0x710 [ 2473.209736][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.209736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.209736][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.209736][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.209736][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.209736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.209736][ T72] [ 2473.211740][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2473.211740][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.211740][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.211740][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.211740][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2473.211740][ T72] ipv6_add_addr+0x411/0x2000 [ 2473.211740][ T72] inet6_addr_add+0x30e/0xa40 [ 2473.211740][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.211740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.211740][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.211740][ T72] netlink_unicast+0x449/0x710 [ 2473.211740][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.211740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.211740][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.211740][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.211740][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.211740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.211740][ T72] [ 2473.213760][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2473.213760][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.213760][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.213760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.213760][ T72] ip6_route_add+0x1c/0x140 [ 2473.213760][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2473.213760][ T72] addrconf_add_dev+0xe2/0x170 [ 2473.213760][ T72] inet6_addr_add+0x12f/0xa40 [ 2473.213760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.213760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.213760][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.213760][ T72] netlink_unicast+0x449/0x710 [ 2473.213760][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.213760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.213760][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.213760][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.213760][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.213760][ T72] [ 2473.215757][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2473.215757][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2473.215757][ T72] ipv6_find_idev+0x102/0x170 [ 2473.215757][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2473.215757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.215757][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.215757][ T72] netlink_unicast+0x449/0x710 [ 2473.215757][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.215757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.215757][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.215757][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.215757][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.215757][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.215757][ T72] [ 2473.217337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2473.217337][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2473.217337][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2473.217337][ T72] ipv6_find_idev+0x102/0x170 [ 2473.217337][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2473.217337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.217337][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.217337][ T72] netlink_unicast+0x449/0x710 [ 2473.217337][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.217337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.217337][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.217337][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.217337][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.217337][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.217337][ T72] [ 2473.219111][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2473.219394][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2473.219394][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2473.219394][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2473.219394][ T72] fib6_nh_init+0xa22/0x1580 [ 2473.219394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.219394][ T72] ip6_route_add+0x1c/0x140 [ 2473.219394][ T72] inet6_rtm_newroute+0x104/0x110 [ 2473.219394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.219394][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.219394][ T72] netlink_unicast+0x449/0x710 [ 2473.219394][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.219394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.219394][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.219394][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.219394][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.219394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.219394][ T72] [ 2473.221480][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2473.221480][ T72] dst_init+0x84/0x4a0 [ 2473.221480][ T72] dst_alloc+0x97/0x150 [ 2473.221480][ T72] ip6_dst_alloc+0x23/0x90 [ 2473.221480][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2473.221480][ T72] ip6_pol_route+0x56f/0x840 [ 2473.221480][ T72] fib6_rule_lookup+0x456/0x630 [ 2473.221480][ T72] ip6_route_input+0x59c/0xa50 [ 2473.221480][ T72] ipv6_rcv+0x397/0x810 [ 2473.221480][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2473.221480][ T72] process_backlog+0x101/0x620 [ 2473.221480][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2473.221480][ T72] net_rx_action+0x495/0xbe0 [ 2473.221480][ T72] __do_softirq+0x1b5/0x7f6 [ 2473.221480][ T72] [ 2473.223187][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2473.223187][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.223187][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.223187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.223187][ T72] ip6_route_add+0x1c/0x140 [ 2473.223187][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2473.223187][ T72] inet6_addr_add+0x4f8/0xa40 [ 2473.223187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.223187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.223187][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.223187][ T72] netlink_unicast+0x449/0x710 [ 2473.223187][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.223187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.223187][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.223187][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.223187][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.223187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.223187][ T72] [ 2473.225322][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2473.225322][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.225322][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.225322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.225322][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2473.225322][ T72] ipv6_add_addr+0x411/0x2000 [ 2473.225322][ T72] inet6_addr_add+0x30e/0xa40 [ 2473.225322][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.225322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.225322][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.225322][ T72] netlink_unicast+0x449/0x710 [ 2473.225322][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.225322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.225322][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.225322][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.225322][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.225322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.225322][ T72] [ 2473.227474][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2473.227474][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.227474][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.227474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.227474][ T72] ip6_route_add+0x1c/0x140 [ 2473.227474][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2473.227474][ T72] addrconf_add_dev+0xe2/0x170 [ 2473.227474][ T72] inet6_addr_add+0x12f/0xa40 [ 2473.227474][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.227474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.227474][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.227474][ T72] netlink_unicast+0x449/0x710 [ 2473.227474][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.227474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.227474][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.227474][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.227474][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.227474][ T72] [ 2473.229643][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2473.229643][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2473.229643][ T72] ipv6_find_idev+0x102/0x170 [ 2473.229643][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2473.229643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.229643][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.229643][ T72] netlink_unicast+0x449/0x710 [ 2473.229643][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.229643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.229643][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.229643][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.229643][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.229643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.229643][ T72] [ 2473.231256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2473.231256][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2473.231256][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2473.231256][ T72] ipv6_find_idev+0x102/0x170 [ 2473.231256][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2473.231256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.231256][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.231256][ T72] netlink_unicast+0x449/0x710 [ 2473.231256][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.231256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.231256][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.231256][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.231256][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.231256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.231256][ T72] [ 2473.233085][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2473.233363][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2473.233363][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.233363][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.233363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.233363][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2473.233363][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2473.233363][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2473.233363][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2473.233363][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2473.233363][ T72] addrconf_dad_begin+0x310/0x670 [ 2473.233363][ T72] addrconf_dad_work+0x10b/0xab0 [ 2473.233363][ T72] process_one_work+0x84d/0x18a0 [ 2473.233363][ T72] worker_thread+0x587/0xd30 [ 2473.233363][ T72] kthread+0x28a/0x350 [ 2473.233363][ T72] ret_from_fork+0x31/0x70 [ 2473.233363][ T72] ret_from_fork_asm+0x1a/0x30 [ 2473.233363][ T72] [ 2473.235438][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2473.235438][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.235438][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.235438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.235438][ T72] ip6_route_add+0x1c/0x140 [ 2473.235438][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2473.235438][ T72] inet6_addr_add+0x4f8/0xa40 [ 2473.235438][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.235438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.235438][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.235438][ T72] netlink_unicast+0x449/0x710 [ 2473.235438][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.235438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.235438][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.235438][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.235438][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.235438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.235438][ T72] [ 2473.237579][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2473.237579][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.237579][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.237579][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.237579][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2473.237579][ T72] ipv6_add_addr+0x411/0x2000 [ 2473.237579][ T72] inet6_addr_add+0x30e/0xa40 [ 2473.237579][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.237579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.237579][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.237579][ T72] netlink_unicast+0x449/0x710 [ 2473.237579][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.237579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.237579][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.237579][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.237579][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.237579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.237579][ T72] [ 2473.239796][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2473.239796][ T72] netdev_get_by_index+0x5e/0x80 [ 2473.239796][ T72] fib6_nh_init+0x3d8/0x1580 [ 2473.239796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2473.239796][ T72] ip6_route_add+0x1c/0x140 [ 2473.239796][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2473.239796][ T72] addrconf_add_dev+0xe2/0x170 [ 2473.239796][ T72] inet6_addr_add+0x12f/0xa40 [ 2473.239796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2473.239796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.239796][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.239796][ T72] netlink_unicast+0x449/0x710 [ 2473.239796][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.239796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.239796][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.239796][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.239796][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.239796][ T72] [ 2473.241916][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2473.241916][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2473.241916][ T72] ipv6_find_idev+0x102/0x170 [ 2473.241916][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2473.241916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.241916][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.241916][ T72] netlink_unicast+0x449/0x710 [ 2473.241916][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.241916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.241916][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.241916][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.241916][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.241916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.241916][ T72] [ 2473.243520][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2473.243520][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2473.243520][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2473.243520][ T72] ipv6_find_idev+0x102/0x170 [ 2473.243520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2473.243520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2473.243520][ T72] netlink_rcv_skb+0x130/0x360 [ 2473.243520][ T72] netlink_unicast+0x449/0x710 [ 2473.243520][ T72] netlink_sendmsg+0x723/0xbe0 [ 2473.243520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2473.243520][ T72] ___sys_sendmsg+0xee/0x170 [ 2473.243520][ T72] __sys_sendmsg+0xcd/0x170 [ 2473.243520][ T72] do_syscall_64+0xc6/0x1e0 [ 2473.243520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2473.243520][ T72] [ 2483.304968][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2483.305507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2483.305507][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2483.305507][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2483.305507][ T72] fib6_nh_init+0xa22/0x1580 [ 2483.305507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.305507][ T72] ip6_route_add+0x1c/0x140 [ 2483.305507][ T72] inet6_rtm_newroute+0x104/0x110 [ 2483.305507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.305507][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.305507][ T72] netlink_unicast+0x449/0x710 [ 2483.305507][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.305507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.305507][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.305507][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.305507][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.305507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.305507][ T72] [ 2483.307433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2483.307433][ T72] dst_init+0x84/0x4a0 [ 2483.307433][ T72] dst_alloc+0x97/0x150 [ 2483.307433][ T72] ip6_dst_alloc+0x23/0x90 [ 2483.307433][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2483.307433][ T72] ip6_pol_route+0x56f/0x840 [ 2483.307433][ T72] fib6_rule_lookup+0x456/0x630 [ 2483.307433][ T72] ip6_route_input+0x59c/0xa50 [ 2483.307433][ T72] ipv6_rcv+0x397/0x810 [ 2483.307433][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2483.307433][ T72] process_backlog+0x101/0x620 [ 2483.307433][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2483.307433][ T72] net_rx_action+0x495/0xbe0 [ 2483.307433][ T72] __do_softirq+0x1b5/0x7f6 [ 2483.307433][ T72] [ 2483.309012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2483.309012][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.309012][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.309012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.309012][ T72] ip6_route_add+0x1c/0x140 [ 2483.309012][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2483.309012][ T72] inet6_addr_add+0x4f8/0xa40 [ 2483.309012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.309012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.309012][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.309012][ T72] netlink_unicast+0x449/0x710 [ 2483.309012][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.309012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.309012][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.309012][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.309012][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.309012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.309012][ T72] [ 2483.310986][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2483.310986][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.310986][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.310986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.310986][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2483.310986][ T72] ipv6_add_addr+0x411/0x2000 [ 2483.310986][ T72] inet6_addr_add+0x30e/0xa40 [ 2483.310986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.310986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.310986][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.310986][ T72] netlink_unicast+0x449/0x710 [ 2483.310986][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.310986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.310986][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.310986][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.310986][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.310986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.310986][ T72] [ 2483.312963][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2483.312963][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.312963][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.312963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.312963][ T72] ip6_route_add+0x1c/0x140 [ 2483.312963][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2483.312963][ T72] addrconf_add_dev+0xe2/0x170 [ 2483.312963][ T72] inet6_addr_add+0x12f/0xa40 [ 2483.312963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.312963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.312963][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.312963][ T72] netlink_unicast+0x449/0x710 [ 2483.312963][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.312963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.312963][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.312963][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.312963][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.312963][ T72] [ 2483.314847][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2483.314847][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2483.314847][ T72] ipv6_find_idev+0x102/0x170 [ 2483.314847][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.314847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.314847][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.314847][ T72] netlink_unicast+0x449/0x710 [ 2483.314847][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.314847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.314847][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.314847][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.314847][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.314847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.314847][ T72] [ 2483.316336][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2483.316336][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2483.316336][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2483.316336][ T72] ipv6_find_idev+0x102/0x170 [ 2483.316336][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.316336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.316336][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.316336][ T72] netlink_unicast+0x449/0x710 [ 2483.316336][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.316336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.316336][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.316336][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.316336][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.316336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.316336][ T72] [ 2483.318064][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2483.318339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2483.318339][ T72] dst_init+0x84/0x4a0 [ 2483.318339][ T72] dst_alloc+0x97/0x150 [ 2483.318339][ T72] ip6_dst_alloc+0x23/0x90 [ 2483.318339][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2483.318339][ T72] ip6_pol_route+0x56f/0x840 [ 2483.318339][ T72] fib6_rule_lookup+0x456/0x630 [ 2483.318339][ T72] ip6_route_input+0x59c/0xa50 [ 2483.318339][ T72] ipv6_rcv+0x397/0x810 [ 2483.318339][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2483.318339][ T72] process_backlog+0x101/0x620 [ 2483.318339][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2483.318339][ T72] net_rx_action+0x495/0xbe0 [ 2483.318339][ T72] __do_softirq+0x1b5/0x7f6 [ 2483.318339][ T72] [ 2483.320028][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2483.320028][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.320028][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.320028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.320028][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2483.320028][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2483.320028][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2483.320028][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2483.320028][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2483.320028][ T72] addrconf_dad_begin+0x310/0x670 [ 2483.320028][ T72] addrconf_dad_work+0x10b/0xab0 [ 2483.320028][ T72] process_one_work+0x84d/0x18a0 [ 2483.320028][ T72] worker_thread+0x587/0xd30 [ 2483.320028][ T72] kthread+0x28a/0x350 [ 2483.320028][ T72] ret_from_fork+0x31/0x70 [ 2483.320028][ T72] ret_from_fork_asm+0x1a/0x30 [ 2483.320028][ T72] [ 2483.321955][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2483.321955][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.321955][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.321955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.321955][ T72] ip6_route_add+0x1c/0x140 [ 2483.321955][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2483.321955][ T72] inet6_addr_add+0x4f8/0xa40 [ 2483.321955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.321955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.321955][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.321955][ T72] netlink_unicast+0x449/0x710 [ 2483.321955][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.321955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.321955][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.321955][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.321955][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.321955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.321955][ T72] [ 2483.323918][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2483.323918][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.323918][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.323918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.323918][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2483.323918][ T72] ipv6_add_addr+0x411/0x2000 [ 2483.323918][ T72] inet6_addr_add+0x30e/0xa40 [ 2483.323918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.323918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.323918][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.323918][ T72] netlink_unicast+0x449/0x710 [ 2483.323918][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.323918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.323918][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.323918][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.323918][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.323918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.323918][ T72] [ 2483.325920][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2483.325920][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.325920][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.325920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.325920][ T72] ip6_route_add+0x1c/0x140 [ 2483.325920][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2483.325920][ T72] addrconf_add_dev+0xe2/0x170 [ 2483.325920][ T72] inet6_addr_add+0x12f/0xa40 [ 2483.325920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.325920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.325920][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.325920][ T72] netlink_unicast+0x449/0x710 [ 2483.325920][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.325920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.325920][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.325920][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.325920][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.325920][ T72] [ 2483.327883][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2483.327883][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2483.327883][ T72] ipv6_find_idev+0x102/0x170 [ 2483.327883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.327883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.327883][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.327883][ T72] netlink_unicast+0x449/0x710 [ 2483.327883][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.327883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.327883][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.327883][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.327883][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.327883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.327883][ T72] [ 2483.329383][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2483.329383][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2483.329383][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2483.329383][ T72] ipv6_find_idev+0x102/0x170 [ 2483.329383][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.329383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.329383][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.329383][ T72] netlink_unicast+0x449/0x710 [ 2483.329383][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.329383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.329383][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.329383][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.329383][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.329383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.329383][ T72] [ 2483.331189][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2483.331461][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2483.331461][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2483.331461][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2483.331461][ T72] fib6_nh_init+0xa22/0x1580 [ 2483.331461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.331461][ T72] ip6_route_add+0x1c/0x140 [ 2483.331461][ T72] inet6_rtm_newroute+0x104/0x110 [ 2483.331461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.331461][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.331461][ T72] netlink_unicast+0x449/0x710 [ 2483.331461][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.331461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.331461][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.331461][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.331461][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.331461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.331461][ T72] [ 2483.333600][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2483.333600][ T72] dst_init+0x84/0x4a0 [ 2483.333600][ T72] dst_alloc+0x97/0x150 [ 2483.333600][ T72] ip6_dst_alloc+0x23/0x90 [ 2483.333600][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2483.333600][ T72] ip6_pol_route+0x56f/0x840 [ 2483.333600][ T72] fib6_rule_lookup+0x456/0x630 [ 2483.333600][ T72] ip6_route_input+0x59c/0xa50 [ 2483.333600][ T72] ipv6_rcv+0x397/0x810 [ 2483.333600][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2483.333600][ T72] process_backlog+0x101/0x620 [ 2483.333600][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2483.333600][ T72] net_rx_action+0x495/0xbe0 [ 2483.333600][ T72] __do_softirq+0x1b5/0x7f6 [ 2483.333600][ T72] [ 2483.335418][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2483.335418][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.335418][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.335418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.335418][ T72] ip6_route_add+0x1c/0x140 [ 2483.335418][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2483.335418][ T72] inet6_addr_add+0x4f8/0xa40 [ 2483.335418][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.335418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.335418][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.335418][ T72] netlink_unicast+0x449/0x710 [ 2483.335418][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.335418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.335418][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.335418][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.335418][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.335418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.335418][ T72] [ 2483.337731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2483.337731][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.337731][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.337731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.337731][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2483.337731][ T72] ipv6_add_addr+0x411/0x2000 [ 2483.337731][ T72] inet6_addr_add+0x30e/0xa40 [ 2483.337731][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.337731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.337731][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.337731][ T72] netlink_unicast+0x449/0x710 [ 2483.337731][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.337731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.337731][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.337731][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.337731][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.337731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.337731][ T72] [ 2483.339879][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2483.339879][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.339879][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.339879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.339879][ T72] ip6_route_add+0x1c/0x140 [ 2483.339879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2483.339879][ T72] addrconf_add_dev+0xe2/0x170 [ 2483.339879][ T72] inet6_addr_add+0x12f/0xa40 [ 2483.339879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.339879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.339879][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.339879][ T72] netlink_unicast+0x449/0x710 [ 2483.339879][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.339879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.339879][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.339879][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.339879][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.339879][ T72] [ 2483.342035][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2483.342035][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2483.342035][ T72] ipv6_find_idev+0x102/0x170 [ 2483.342035][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.342035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.342035][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.342035][ T72] netlink_unicast+0x449/0x710 [ 2483.342035][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.342035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.342035][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.342035][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.342035][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.342035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.342035][ T72] [ 2483.343747][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2483.343747][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2483.343747][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2483.343747][ T72] ipv6_find_idev+0x102/0x170 [ 2483.343747][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.343747][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.343747][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.343747][ T72] netlink_unicast+0x449/0x710 [ 2483.343747][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.343747][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.343747][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.343747][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.343747][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.343747][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.343747][ T72] [ 2483.345586][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2483.346434][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2483.346434][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.346434][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.346434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.346434][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2483.346434][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2483.346434][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2483.346434][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2483.346434][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2483.346434][ T72] addrconf_dad_begin+0x310/0x670 [ 2483.346434][ T72] addrconf_dad_work+0x10b/0xab0 [ 2483.346434][ T72] process_one_work+0x84d/0x18a0 [ 2483.346434][ T72] worker_thread+0x587/0xd30 [ 2483.346434][ T72] kthread+0x28a/0x350 [ 2483.346434][ T72] ret_from_fork+0x31/0x70 [ 2483.346434][ T72] ret_from_fork_asm+0x1a/0x30 [ 2483.346434][ T72] [ 2483.348354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2483.348354][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.348354][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.348354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.348354][ T72] ip6_route_add+0x1c/0x140 [ 2483.348354][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2483.348354][ T72] inet6_addr_add+0x4f8/0xa40 [ 2483.348354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.348354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.348354][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.348354][ T72] netlink_unicast+0x449/0x710 [ 2483.348354][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.348354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.348354][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.348354][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.348354][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.348354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.348354][ T72] [ 2483.350360][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2483.350360][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.350360][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.350360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.350360][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2483.350360][ T72] ipv6_add_addr+0x411/0x2000 [ 2483.350360][ T72] inet6_addr_add+0x30e/0xa40 [ 2483.350360][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.350360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.350360][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.350360][ T72] netlink_unicast+0x449/0x710 [ 2483.350360][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.350360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.350360][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.350360][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.350360][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.350360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.350360][ T72] [ 2483.352635][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2483.352635][ T72] netdev_get_by_index+0x5e/0x80 [ 2483.352635][ T72] fib6_nh_init+0x3d8/0x1580 [ 2483.352635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2483.352635][ T72] ip6_route_add+0x1c/0x140 [ 2483.352635][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2483.352635][ T72] addrconf_add_dev+0xe2/0x170 [ 2483.352635][ T72] inet6_addr_add+0x12f/0xa40 [ 2483.352635][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.352635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.352635][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.352635][ T72] netlink_unicast+0x449/0x710 [ 2483.352635][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.352635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.352635][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.352635][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.352635][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.352635][ T72] [ 2483.354848][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2483.354848][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2483.354848][ T72] ipv6_find_idev+0x102/0x170 [ 2483.354848][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.354848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.354848][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.354848][ T72] netlink_unicast+0x449/0x710 [ 2483.354848][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.354848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.354848][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.354848][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.354848][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.354848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.354848][ T72] [ 2483.356610][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2483.356610][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2483.356610][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2483.356610][ T72] ipv6_find_idev+0x102/0x170 [ 2483.356610][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.356610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.356610][ T72] netlink_rcv_skb+0x130/0x360 [ 2483.356610][ T72] netlink_unicast+0x449/0x710 [ 2483.356610][ T72] netlink_sendmsg+0x723/0xbe0 [ 2483.356610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2483.356610][ T72] ___sys_sendmsg+0xee/0x170 [ 2483.356610][ T72] __sys_sendmsg+0xcd/0x170 [ 2483.356610][ T72] do_syscall_64+0xc6/0x1e0 [ 2483.356610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.356610][ T72] [ 2493.601006][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2493.601579][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2493.601579][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2493.601579][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2493.601579][ T72] fib6_nh_init+0xa22/0x1580 [ 2493.601579][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.601579][ T72] ip6_route_add+0x1c/0x140 [ 2493.601579][ T72] inet6_rtm_newroute+0x104/0x110 [ 2493.601579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.601579][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.601579][ T72] netlink_unicast+0x449/0x710 [ 2493.601579][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.601579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.601579][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.601579][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.601579][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.601579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.601579][ T72] [ 2493.603447][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2493.603447][ T72] dst_init+0x84/0x4a0 [ 2493.603447][ T72] dst_alloc+0x97/0x150 [ 2493.603447][ T72] ip6_dst_alloc+0x23/0x90 [ 2493.603447][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2493.603447][ T72] ip6_pol_route+0x56f/0x840 [ 2493.603447][ T72] fib6_rule_lookup+0x456/0x630 [ 2493.603447][ T72] ip6_route_input+0x59c/0xa50 [ 2493.603447][ T72] ipv6_rcv+0x397/0x810 [ 2493.603447][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2493.603447][ T72] process_backlog+0x101/0x620 [ 2493.603447][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2493.603447][ T72] net_rx_action+0x495/0xbe0 [ 2493.603447][ T72] __do_softirq+0x1b5/0x7f6 [ 2493.603447][ T72] [ 2493.605000][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2493.605000][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.605000][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.605000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.605000][ T72] ip6_route_add+0x1c/0x140 [ 2493.605000][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2493.605000][ T72] inet6_addr_add+0x4f8/0xa40 [ 2493.605000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.605000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.605000][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.605000][ T72] netlink_unicast+0x449/0x710 [ 2493.605000][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.605000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.605000][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.605000][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.605000][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.605000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.605000][ T72] [ 2493.607018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2493.607018][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.607018][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.607018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.607018][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2493.607018][ T72] ipv6_add_addr+0x411/0x2000 [ 2493.607018][ T72] inet6_addr_add+0x30e/0xa40 [ 2493.607018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.607018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.607018][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.607018][ T72] netlink_unicast+0x449/0x710 [ 2493.607018][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.607018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.607018][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.607018][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.607018][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.607018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.607018][ T72] [ 2493.609044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2493.609044][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.609044][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.609044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.609044][ T72] ip6_route_add+0x1c/0x140 [ 2493.609044][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.609044][ T72] addrconf_add_dev+0xe2/0x170 [ 2493.609044][ T72] inet6_addr_add+0x12f/0xa40 [ 2493.609044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.609044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.609044][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.609044][ T72] netlink_unicast+0x449/0x710 [ 2493.609044][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.609044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.609044][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.609044][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.609044][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.609044][ T72] [ 2493.611015][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2493.611015][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2493.611015][ T72] ipv6_find_idev+0x102/0x170 [ 2493.611015][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.611015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.611015][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.611015][ T72] netlink_unicast+0x449/0x710 [ 2493.611015][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.611015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.611015][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.611015][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.611015][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.611015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.611015][ T72] [ 2493.612544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2493.612544][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2493.612544][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2493.612544][ T72] ipv6_find_idev+0x102/0x170 [ 2493.612544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.612544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.612544][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.612544][ T72] netlink_unicast+0x449/0x710 [ 2493.612544][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.612544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.612544][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.612544][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.612544][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.612544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.612544][ T72] [ 2493.614269][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2493.614548][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2493.614548][ T72] dst_init+0x84/0x4a0 [ 2493.614548][ T72] dst_alloc+0x97/0x150 [ 2493.614548][ T72] ip6_dst_alloc+0x23/0x90 [ 2493.614548][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2493.614548][ T72] ip6_pol_route+0x56f/0x840 [ 2493.614548][ T72] fib6_rule_lookup+0x456/0x630 [ 2493.614548][ T72] ip6_route_input+0x59c/0xa50 [ 2493.614548][ T72] ipv6_rcv+0x397/0x810 [ 2493.614548][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2493.614548][ T72] process_backlog+0x101/0x620 [ 2493.614548][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2493.614548][ T72] net_rx_action+0x495/0xbe0 [ 2493.614548][ T72] __do_softirq+0x1b5/0x7f6 [ 2493.614548][ T72] [ 2493.616204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2493.616204][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.616204][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.616204][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.616204][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2493.616204][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2493.616204][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2493.616204][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2493.616204][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2493.616204][ T72] addrconf_dad_begin+0x310/0x670 [ 2493.616204][ T72] addrconf_dad_work+0x10b/0xab0 [ 2493.616204][ T72] process_one_work+0x84d/0x18a0 [ 2493.616204][ T72] worker_thread+0x587/0xd30 [ 2493.616204][ T72] kthread+0x28a/0x350 [ 2493.616204][ T72] ret_from_fork+0x31/0x70 [ 2493.616204][ T72] ret_from_fork_asm+0x1a/0x30 [ 2493.616204][ T72] [ 2493.618146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2493.618146][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.618146][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.618146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.618146][ T72] ip6_route_add+0x1c/0x140 [ 2493.618146][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2493.618146][ T72] inet6_addr_add+0x4f8/0xa40 [ 2493.618146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.618146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.618146][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.618146][ T72] netlink_unicast+0x449/0x710 [ 2493.618146][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.618146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.618146][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.618146][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.618146][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.618146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.618146][ T72] [ 2493.620195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2493.620195][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.620195][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.620195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.620195][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2493.620195][ T72] ipv6_add_addr+0x411/0x2000 [ 2493.620195][ T72] inet6_addr_add+0x30e/0xa40 [ 2493.620195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.620195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.620195][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.620195][ T72] netlink_unicast+0x449/0x710 [ 2493.620195][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.620195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.620195][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.620195][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.620195][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.620195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.620195][ T72] [ 2493.622192][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2493.622192][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.622192][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.622192][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.622192][ T72] ip6_route_add+0x1c/0x140 [ 2493.622192][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.622192][ T72] addrconf_add_dev+0xe2/0x170 [ 2493.622192][ T72] inet6_addr_add+0x12f/0xa40 [ 2493.622192][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.622192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.622192][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.622192][ T72] netlink_unicast+0x449/0x710 [ 2493.622192][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.622192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.622192][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.622192][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.622192][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.622192][ T72] [ 2493.624146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2493.624146][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2493.624146][ T72] ipv6_find_idev+0x102/0x170 [ 2493.624146][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.624146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.624146][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.624146][ T72] netlink_unicast+0x449/0x710 [ 2493.624146][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.624146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.624146][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.624146][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.624146][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.624146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.624146][ T72] [ 2493.625703][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2493.625703][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2493.625703][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2493.625703][ T72] ipv6_find_idev+0x102/0x170 [ 2493.625703][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.625703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.625703][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.625703][ T72] netlink_unicast+0x449/0x710 [ 2493.625703][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.625703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.625703][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.625703][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.625703][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.625703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.625703][ T72] [ 2493.627529][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2493.627816][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2493.627816][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2493.627816][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2493.627816][ T72] fib6_nh_init+0xa22/0x1580 [ 2493.627816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.627816][ T72] ip6_route_add+0x1c/0x140 [ 2493.627816][ T72] inet6_rtm_newroute+0x104/0x110 [ 2493.627816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.627816][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.627816][ T72] netlink_unicast+0x449/0x710 [ 2493.627816][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.627816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.627816][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.627816][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.627816][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.627816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.627816][ T72] [ 2493.630032][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2493.630032][ T72] dst_init+0x84/0x4a0 [ 2493.630032][ T72] dst_alloc+0x97/0x150 [ 2493.630032][ T72] ip6_dst_alloc+0x23/0x90 [ 2493.630032][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2493.630032][ T72] ip6_pol_route+0x56f/0x840 [ 2493.630032][ T72] fib6_rule_lookup+0x456/0x630 [ 2493.630032][ T72] ip6_route_input+0x59c/0xa50 [ 2493.630032][ T72] ipv6_rcv+0x397/0x810 [ 2493.630032][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2493.630032][ T72] process_backlog+0x101/0x620 [ 2493.630032][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2493.630032][ T72] net_rx_action+0x495/0xbe0 [ 2493.630032][ T72] __do_softirq+0x1b5/0x7f6 [ 2493.630032][ T72] [ 2493.632397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2493.632397][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.632397][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.632397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.632397][ T72] ip6_route_add+0x1c/0x140 [ 2493.632397][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2493.632397][ T72] inet6_addr_add+0x4f8/0xa40 [ 2493.632397][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.632397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.632397][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.632397][ T72] netlink_unicast+0x449/0x710 [ 2493.632397][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.632397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.632397][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.632397][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.632397][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.632397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.632397][ T72] [ 2493.634647][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2493.634647][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.634647][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.634647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.634647][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2493.634647][ T72] ipv6_add_addr+0x411/0x2000 [ 2493.634647][ T72] inet6_addr_add+0x30e/0xa40 [ 2493.634647][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.634647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.634647][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.634647][ T72] netlink_unicast+0x449/0x710 [ 2493.634647][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.634647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.634647][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.634647][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.634647][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.634647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.634647][ T72] [ 2493.636835][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2493.636835][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.636835][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.636835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.636835][ T72] ip6_route_add+0x1c/0x140 [ 2493.636835][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.636835][ T72] addrconf_add_dev+0xe2/0x170 [ 2493.636835][ T72] inet6_addr_add+0x12f/0xa40 [ 2493.636835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.636835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.636835][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.636835][ T72] netlink_unicast+0x449/0x710 [ 2493.636835][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.636835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.636835][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.636835][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.636835][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.636835][ T72] [ 2493.639122][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2493.639122][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2493.639122][ T72] ipv6_find_idev+0x102/0x170 [ 2493.639122][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.639122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.639122][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.639122][ T72] netlink_unicast+0x449/0x710 [ 2493.639122][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.639122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.639122][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.639122][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.639122][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.639122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.639122][ T72] [ 2493.640821][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2493.640821][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2493.640821][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2493.640821][ T72] ipv6_find_idev+0x102/0x170 [ 2493.640821][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.640821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.640821][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.640821][ T72] netlink_unicast+0x449/0x710 [ 2493.640821][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.640821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.640821][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.640821][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.640821][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.640821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.640821][ T72] [ 2493.642715][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2493.643504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2493.643504][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.643504][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.643504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.643504][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2493.643504][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2493.643504][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2493.643504][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2493.643504][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2493.643504][ T72] addrconf_dad_begin+0x310/0x670 [ 2493.643504][ T72] addrconf_dad_work+0x10b/0xab0 [ 2493.643504][ T72] process_one_work+0x84d/0x18a0 [ 2493.643504][ T72] worker_thread+0x587/0xd30 [ 2493.643504][ T72] kthread+0x28a/0x350 [ 2493.643504][ T72] ret_from_fork+0x31/0x70 [ 2493.643504][ T72] ret_from_fork_asm+0x1a/0x30 [ 2493.643504][ T72] [ 2493.645424][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2493.645424][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.645424][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.645424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.645424][ T72] ip6_route_add+0x1c/0x140 [ 2493.645424][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2493.645424][ T72] inet6_addr_add+0x4f8/0xa40 [ 2493.645424][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.645424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.645424][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.645424][ T72] netlink_unicast+0x449/0x710 [ 2493.645424][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.645424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.645424][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.645424][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.645424][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.645424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.645424][ T72] [ 2493.647821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2493.647821][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.647821][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.647821][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.647821][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2493.647821][ T72] ipv6_add_addr+0x411/0x2000 [ 2493.647821][ T72] inet6_addr_add+0x30e/0xa40 [ 2493.647821][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.647821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.647821][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.647821][ T72] netlink_unicast+0x449/0x710 [ 2493.647821][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.647821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.647821][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.647821][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.647821][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.647821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.647821][ T72] [ 2493.650074][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2493.650074][ T72] netdev_get_by_index+0x5e/0x80 [ 2493.650074][ T72] fib6_nh_init+0x3d8/0x1580 [ 2493.650074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2493.650074][ T72] ip6_route_add+0x1c/0x140 [ 2493.650074][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.650074][ T72] addrconf_add_dev+0xe2/0x170 [ 2493.650074][ T72] inet6_addr_add+0x12f/0xa40 [ 2493.650074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.650074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.650074][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.650074][ T72] netlink_unicast+0x449/0x710 [ 2493.650074][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.650074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.650074][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.650074][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.650074][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.650074][ T72] [ 2493.652391][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2493.652391][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2493.652391][ T72] ipv6_find_idev+0x102/0x170 [ 2493.652391][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.652391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.652391][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.652391][ T72] netlink_unicast+0x449/0x710 [ 2493.652391][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.652391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.652391][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.652391][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.652391][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.652391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.652391][ T72] [ 2493.654155][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2493.654155][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2493.654155][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2493.654155][ T72] ipv6_find_idev+0x102/0x170 [ 2493.654155][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.654155][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.654155][ T72] netlink_rcv_skb+0x130/0x360 [ 2493.654155][ T72] netlink_unicast+0x449/0x710 [ 2493.654155][ T72] netlink_sendmsg+0x723/0xbe0 [ 2493.654155][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2493.654155][ T72] ___sys_sendmsg+0xee/0x170 [ 2493.654155][ T72] __sys_sendmsg+0xcd/0x170 [ 2493.654155][ T72] do_syscall_64+0xc6/0x1e0 [ 2493.654155][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.654155][ T72] [ 2503.896981][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2503.897547][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2503.897547][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2503.897547][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2503.897547][ T72] fib6_nh_init+0xa22/0x1580 [ 2503.897547][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.897547][ T72] ip6_route_add+0x1c/0x140 [ 2503.897547][ T72] inet6_rtm_newroute+0x104/0x110 [ 2503.897547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.897547][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.897547][ T72] netlink_unicast+0x449/0x710 [ 2503.897547][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.897547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.897547][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.897547][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.897547][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.897547][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.897547][ T72] [ 2503.899364][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2503.899364][ T72] dst_init+0x84/0x4a0 [ 2503.899364][ T72] dst_alloc+0x97/0x150 [ 2503.899364][ T72] ip6_dst_alloc+0x23/0x90 [ 2503.899364][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.899364][ T72] ip6_pol_route+0x56f/0x840 [ 2503.899364][ T72] fib6_rule_lookup+0x456/0x630 [ 2503.899364][ T72] ip6_route_input+0x59c/0xa50 [ 2503.899364][ T72] ipv6_rcv+0x397/0x810 [ 2503.899364][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2503.899364][ T72] process_backlog+0x101/0x620 [ 2503.899364][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2503.899364][ T72] net_rx_action+0x495/0xbe0 [ 2503.899364][ T72] __do_softirq+0x1b5/0x7f6 [ 2503.899364][ T72] [ 2503.900983][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2503.900983][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.900983][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.900983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.900983][ T72] ip6_route_add+0x1c/0x140 [ 2503.900983][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2503.900983][ T72] inet6_addr_add+0x4f8/0xa40 [ 2503.900983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.900983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.900983][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.900983][ T72] netlink_unicast+0x449/0x710 [ 2503.900983][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.900983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.900983][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.900983][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.900983][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.900983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.900983][ T72] [ 2503.902959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2503.902959][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.902959][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.902959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.902959][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2503.902959][ T72] ipv6_add_addr+0x411/0x2000 [ 2503.902959][ T72] inet6_addr_add+0x30e/0xa40 [ 2503.902959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.902959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.902959][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.902959][ T72] netlink_unicast+0x449/0x710 [ 2503.902959][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.902959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.902959][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.902959][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.902959][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.902959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.902959][ T72] [ 2503.904900][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2503.904900][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.904900][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.904900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.904900][ T72] ip6_route_add+0x1c/0x140 [ 2503.904900][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.904900][ T72] addrconf_add_dev+0xe2/0x170 [ 2503.904900][ T72] inet6_addr_add+0x12f/0xa40 [ 2503.904900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.904900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.904900][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.904900][ T72] netlink_unicast+0x449/0x710 [ 2503.904900][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.904900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.904900][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.904900][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.904900][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.904900][ T72] [ 2503.906902][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2503.906902][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2503.906902][ T72] ipv6_find_idev+0x102/0x170 [ 2503.906902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.906902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.906902][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.906902][ T72] netlink_unicast+0x449/0x710 [ 2503.906902][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.906902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.906902][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.906902][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.906902][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.906902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.906902][ T72] [ 2503.908453][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2503.908453][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2503.908453][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2503.908453][ T72] ipv6_find_idev+0x102/0x170 [ 2503.908453][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.908453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.908453][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.908453][ T72] netlink_unicast+0x449/0x710 [ 2503.908453][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.908453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.908453][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.908453][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.908453][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.908453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.908453][ T72] [ 2503.910097][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2503.910387][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2503.910387][ T72] dst_init+0x84/0x4a0 [ 2503.910387][ T72] dst_alloc+0x97/0x150 [ 2503.910387][ T72] ip6_dst_alloc+0x23/0x90 [ 2503.910387][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.910387][ T72] ip6_pol_route+0x56f/0x840 [ 2503.910387][ T72] fib6_rule_lookup+0x456/0x630 [ 2503.910387][ T72] ip6_route_input+0x59c/0xa50 [ 2503.910387][ T72] ipv6_rcv+0x397/0x810 [ 2503.910387][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2503.910387][ T72] process_backlog+0x101/0x620 [ 2503.910387][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2503.910387][ T72] net_rx_action+0x495/0xbe0 [ 2503.910387][ T72] __do_softirq+0x1b5/0x7f6 [ 2503.910387][ T72] [ 2503.912052][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2503.912052][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.912052][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.912052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.912052][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2503.912052][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2503.912052][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2503.912052][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2503.912052][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2503.912052][ T72] addrconf_dad_begin+0x310/0x670 [ 2503.912052][ T72] addrconf_dad_work+0x10b/0xab0 [ 2503.912052][ T72] process_one_work+0x84d/0x18a0 [ 2503.912052][ T72] worker_thread+0x587/0xd30 [ 2503.912052][ T72] kthread+0x28a/0x350 [ 2503.912052][ T72] ret_from_fork+0x31/0x70 [ 2503.912052][ T72] ret_from_fork_asm+0x1a/0x30 [ 2503.912052][ T72] [ 2503.913943][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2503.913943][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.913943][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.913943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.913943][ T72] ip6_route_add+0x1c/0x140 [ 2503.913943][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2503.913943][ T72] inet6_addr_add+0x4f8/0xa40 [ 2503.913943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.913943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.913943][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.913943][ T72] netlink_unicast+0x449/0x710 [ 2503.913943][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.913943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.913943][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.913943][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.913943][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.913943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.913943][ T72] [ 2503.916320][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2503.916320][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.916320][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.916320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.916320][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2503.916320][ T72] ipv6_add_addr+0x411/0x2000 [ 2503.916320][ T72] inet6_addr_add+0x30e/0xa40 [ 2503.916320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.916320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.916320][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.916320][ T72] netlink_unicast+0x449/0x710 [ 2503.916320][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.916320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.916320][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.916320][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.916320][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.916320][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.916320][ T72] [ 2503.918324][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2503.918324][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.918324][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.918324][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.918324][ T72] ip6_route_add+0x1c/0x140 [ 2503.918324][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.918324][ T72] addrconf_add_dev+0xe2/0x170 [ 2503.918324][ T72] inet6_addr_add+0x12f/0xa40 [ 2503.918324][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.918324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.918324][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.918324][ T72] netlink_unicast+0x449/0x710 [ 2503.918324][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.918324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.918324][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.918324][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.918324][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.918324][ T72] [ 2503.920237][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2503.920237][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2503.920237][ T72] ipv6_find_idev+0x102/0x170 [ 2503.920237][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.920237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.920237][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.920237][ T72] netlink_unicast+0x449/0x710 [ 2503.920237][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.920237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.920237][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.920237][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.920237][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.920237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.920237][ T72] [ 2503.921750][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2503.921750][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2503.921750][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2503.921750][ T72] ipv6_find_idev+0x102/0x170 [ 2503.921750][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.921750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.921750][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.921750][ T72] netlink_unicast+0x449/0x710 [ 2503.921750][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.921750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.921750][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.921750][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.921750][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.921750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.921750][ T72] [ 2503.923528][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2503.923818][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2503.923818][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2503.923818][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2503.923818][ T72] fib6_nh_init+0xa22/0x1580 [ 2503.923818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.923818][ T72] ip6_route_add+0x1c/0x140 [ 2503.923818][ T72] inet6_rtm_newroute+0x104/0x110 [ 2503.923818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.923818][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.923818][ T72] netlink_unicast+0x449/0x710 [ 2503.923818][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.923818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.923818][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.923818][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.923818][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.923818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.923818][ T72] [ 2503.926028][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2503.926028][ T72] dst_init+0x84/0x4a0 [ 2503.926028][ T72] dst_alloc+0x97/0x150 [ 2503.926028][ T72] ip6_dst_alloc+0x23/0x90 [ 2503.926028][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.926028][ T72] ip6_pol_route+0x56f/0x840 [ 2503.926028][ T72] fib6_rule_lookup+0x456/0x630 [ 2503.926028][ T72] ip6_route_input+0x59c/0xa50 [ 2503.926028][ T72] ipv6_rcv+0x397/0x810 [ 2503.926028][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2503.926028][ T72] process_backlog+0x101/0x620 [ 2503.926028][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2503.926028][ T72] net_rx_action+0x495/0xbe0 [ 2503.926028][ T72] __do_softirq+0x1b5/0x7f6 [ 2503.926028][ T72] [ 2503.927851][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2503.927851][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.927851][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.927851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.927851][ T72] ip6_route_add+0x1c/0x140 [ 2503.927851][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2503.927851][ T72] inet6_addr_add+0x4f8/0xa40 [ 2503.927851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.927851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.927851][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.927851][ T72] netlink_unicast+0x449/0x710 [ 2503.927851][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.927851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.927851][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.927851][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.927851][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.927851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.927851][ T72] [ 2503.930103][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2503.930103][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.930103][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.930103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.930103][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2503.930103][ T72] ipv6_add_addr+0x411/0x2000 [ 2503.930103][ T72] inet6_addr_add+0x30e/0xa40 [ 2503.930103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.930103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.930103][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.930103][ T72] netlink_unicast+0x449/0x710 [ 2503.930103][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.930103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.930103][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.930103][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.930103][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.930103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.930103][ T72] [ 2503.932281][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2503.932281][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.932281][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.932281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.932281][ T72] ip6_route_add+0x1c/0x140 [ 2503.932281][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.932281][ T72] addrconf_add_dev+0xe2/0x170 [ 2503.932281][ T72] inet6_addr_add+0x12f/0xa40 [ 2503.932281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.932281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.932281][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.932281][ T72] netlink_unicast+0x449/0x710 [ 2503.932281][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.932281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.932281][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.932281][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.932281][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.932281][ T72] [ 2503.934545][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2503.934545][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2503.934545][ T72] ipv6_find_idev+0x102/0x170 [ 2503.934545][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.934545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.934545][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.934545][ T72] netlink_unicast+0x449/0x710 [ 2503.934545][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.934545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.934545][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.934545][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.934545][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.934545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.934545][ T72] [ 2503.936314][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2503.936314][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2503.936314][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2503.936314][ T72] ipv6_find_idev+0x102/0x170 [ 2503.936314][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.936314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.936314][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.936314][ T72] netlink_unicast+0x449/0x710 [ 2503.936314][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.936314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.936314][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.936314][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.936314][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.936314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.936314][ T72] [ 2503.938200][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2503.938542][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2503.938542][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.938542][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.938542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.938542][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2503.938542][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2503.938542][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2503.938542][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2503.938542][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2503.938542][ T72] addrconf_dad_begin+0x310/0x670 [ 2503.938542][ T72] addrconf_dad_work+0x10b/0xab0 [ 2503.938542][ T72] process_one_work+0x84d/0x18a0 [ 2503.938542][ T72] worker_thread+0x587/0xd30 [ 2503.938542][ T72] kthread+0x28a/0x350 [ 2503.938542][ T72] ret_from_fork+0x31/0x70 [ 2503.938542][ T72] ret_from_fork_asm+0x1a/0x30 [ 2503.938542][ T72] [ 2503.940613][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2503.940613][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.940613][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.940613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.940613][ T72] ip6_route_add+0x1c/0x140 [ 2503.940613][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2503.940613][ T72] inet6_addr_add+0x4f8/0xa40 [ 2503.940613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.940613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.940613][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.940613][ T72] netlink_unicast+0x449/0x710 [ 2503.940613][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.940613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.940613][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.940613][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.940613][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.940613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.940613][ T72] [ 2503.942853][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2503.942853][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.942853][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.942853][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.942853][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2503.942853][ T72] ipv6_add_addr+0x411/0x2000 [ 2503.942853][ T72] inet6_addr_add+0x30e/0xa40 [ 2503.942853][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.942853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.942853][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.942853][ T72] netlink_unicast+0x449/0x710 [ 2503.942853][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.942853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.942853][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.942853][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.942853][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.942853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.942853][ T72] [ 2503.945171][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2503.945171][ T72] netdev_get_by_index+0x5e/0x80 [ 2503.945171][ T72] fib6_nh_init+0x3d8/0x1580 [ 2503.945171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2503.945171][ T72] ip6_route_add+0x1c/0x140 [ 2503.945171][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.945171][ T72] addrconf_add_dev+0xe2/0x170 [ 2503.945171][ T72] inet6_addr_add+0x12f/0xa40 [ 2503.945171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.945171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.945171][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.945171][ T72] netlink_unicast+0x449/0x710 [ 2503.945171][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.945171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.945171][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.945171][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.945171][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.945171][ T72] [ 2503.947409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2503.947409][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2503.947409][ T72] ipv6_find_idev+0x102/0x170 [ 2503.947409][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.947409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.947409][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.947409][ T72] netlink_unicast+0x449/0x710 [ 2503.947409][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.947409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.947409][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.947409][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.947409][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.947409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.947409][ T72] [ 2503.949125][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2503.949125][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2503.949125][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2503.949125][ T72] ipv6_find_idev+0x102/0x170 [ 2503.949125][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.949125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.949125][ T72] netlink_rcv_skb+0x130/0x360 [ 2503.949125][ T72] netlink_unicast+0x449/0x710 [ 2503.949125][ T72] netlink_sendmsg+0x723/0xbe0 [ 2503.949125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2503.949125][ T72] ___sys_sendmsg+0xee/0x170 [ 2503.949125][ T72] __sys_sendmsg+0xcd/0x170 [ 2503.949125][ T72] do_syscall_64+0xc6/0x1e0 [ 2503.949125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.949125][ T72] [ 2514.192940][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2514.193371][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2514.193371][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2514.193371][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2514.193371][ T72] fib6_nh_init+0xa22/0x1580 [ 2514.193371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.193371][ T72] ip6_route_add+0x1c/0x140 [ 2514.193371][ T72] inet6_rtm_newroute+0x104/0x110 [ 2514.193371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.193371][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.193371][ T72] netlink_unicast+0x449/0x710 [ 2514.193371][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.193371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.193371][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.193371][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.193371][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.193371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.193371][ T72] [ 2514.195264][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2514.195264][ T72] dst_init+0x84/0x4a0 [ 2514.195264][ T72] dst_alloc+0x97/0x150 [ 2514.195264][ T72] ip6_dst_alloc+0x23/0x90 [ 2514.195264][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2514.195264][ T72] ip6_pol_route+0x56f/0x840 [ 2514.195264][ T72] fib6_rule_lookup+0x456/0x630 [ 2514.195264][ T72] ip6_route_input+0x59c/0xa50 [ 2514.195264][ T72] ipv6_rcv+0x397/0x810 [ 2514.195264][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2514.195264][ T72] process_backlog+0x101/0x620 [ 2514.195264][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2514.195264][ T72] net_rx_action+0x495/0xbe0 [ 2514.195264][ T72] __do_softirq+0x1b5/0x7f6 [ 2514.195264][ T72] [ 2514.196903][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2514.196903][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.196903][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.196903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.196903][ T72] ip6_route_add+0x1c/0x140 [ 2514.196903][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2514.196903][ T72] inet6_addr_add+0x4f8/0xa40 [ 2514.196903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.196903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.196903][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.196903][ T72] netlink_unicast+0x449/0x710 [ 2514.196903][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.196903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.196903][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.196903][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.196903][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.196903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.196903][ T72] [ 2514.198886][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2514.198886][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.198886][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.198886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.198886][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2514.198886][ T72] ipv6_add_addr+0x411/0x2000 [ 2514.198886][ T72] inet6_addr_add+0x30e/0xa40 [ 2514.198886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.198886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.198886][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.198886][ T72] netlink_unicast+0x449/0x710 [ 2514.198886][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.198886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.198886][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.198886][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.198886][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.198886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.198886][ T72] [ 2514.200887][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2514.200887][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.200887][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.200887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.200887][ T72] ip6_route_add+0x1c/0x140 [ 2514.200887][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2514.200887][ T72] addrconf_add_dev+0xe2/0x170 [ 2514.200887][ T72] inet6_addr_add+0x12f/0xa40 [ 2514.200887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.200887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.200887][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.200887][ T72] netlink_unicast+0x449/0x710 [ 2514.200887][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.200887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.200887][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.200887][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.200887][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.200887][ T72] [ 2514.202805][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2514.202805][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2514.202805][ T72] ipv6_find_idev+0x102/0x170 [ 2514.202805][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2514.202805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.202805][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.202805][ T72] netlink_unicast+0x449/0x710 [ 2514.202805][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.202805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.202805][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.202805][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.202805][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.202805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.202805][ T72] [ 2514.204343][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2514.204343][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2514.204343][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2514.204343][ T72] ipv6_find_idev+0x102/0x170 [ 2514.204343][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2514.204343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.204343][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.204343][ T72] netlink_unicast+0x449/0x710 [ 2514.204343][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.204343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.204343][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.204343][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.204343][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.204343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.204343][ T72] [ 2514.206023][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2514.206298][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2514.206298][ T72] dst_init+0x84/0x4a0 [ 2514.206298][ T72] dst_alloc+0x97/0x150 [ 2514.206298][ T72] ip6_dst_alloc+0x23/0x90 [ 2514.206298][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2514.206298][ T72] ip6_pol_route+0x56f/0x840 [ 2514.206298][ T72] fib6_rule_lookup+0x456/0x630 [ 2514.206298][ T72] ip6_route_input+0x59c/0xa50 [ 2514.206298][ T72] ipv6_rcv+0x397/0x810 [ 2514.206298][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2514.206298][ T72] process_backlog+0x101/0x620 [ 2514.206298][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2514.206298][ T72] net_rx_action+0x495/0xbe0 [ 2514.206298][ T72] __do_softirq+0x1b5/0x7f6 [ 2514.206298][ T72] [ 2514.207929][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2514.207929][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.207929][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.207929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.207929][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2514.207929][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2514.207929][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2514.207929][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2514.207929][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2514.207929][ T72] addrconf_dad_begin+0x310/0x670 [ 2514.207929][ T72] addrconf_dad_work+0x10b/0xab0 [ 2514.207929][ T72] process_one_work+0x84d/0x18a0 [ 2514.207929][ T72] worker_thread+0x587/0xd30 [ 2514.207929][ T72] kthread+0x28a/0x350 [ 2514.207929][ T72] ret_from_fork+0x31/0x70 [ 2514.207929][ T72] ret_from_fork_asm+0x1a/0x30 [ 2514.207929][ T72] [ 2514.209784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2514.209784][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.209784][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.209784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.209784][ T72] ip6_route_add+0x1c/0x140 [ 2514.209784][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2514.209784][ T72] inet6_addr_add+0x4f8/0xa40 [ 2514.209784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.209784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.209784][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.209784][ T72] netlink_unicast+0x449/0x710 [ 2514.209784][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.209784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.209784][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.209784][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.209784][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.209784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.209784][ T72] [ 2514.211735][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2514.211735][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.211735][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.211735][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.211735][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2514.211735][ T72] ipv6_add_addr+0x411/0x2000 [ 2514.211735][ T72] inet6_addr_add+0x30e/0xa40 [ 2514.211735][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.211735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.211735][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.211735][ T72] netlink_unicast+0x449/0x710 [ 2514.211735][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.211735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.211735][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.211735][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.211735][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.211735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.211735][ T72] [ 2514.213698][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2514.213698][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.213698][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.213698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.213698][ T72] ip6_route_add+0x1c/0x140 [ 2514.213698][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2514.213698][ T72] addrconf_add_dev+0xe2/0x170 [ 2514.213698][ T72] inet6_addr_add+0x12f/0xa40 [ 2514.213698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.213698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.213698][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.213698][ T72] netlink_unicast+0x449/0x710 [ 2514.213698][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.213698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.213698][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.213698][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.213698][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.213698][ T72] [ 2514.215591][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2514.215591][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2514.215591][ T72] ipv6_find_idev+0x102/0x170 [ 2514.215591][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2514.215591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.215591][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.215591][ T72] netlink_unicast+0x449/0x710 [ 2514.215591][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.215591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.215591][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.215591][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.215591][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.215591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.215591][ T72] [ 2514.217125][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2514.217125][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2514.217125][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2514.217125][ T72] ipv6_find_idev+0x102/0x170 [ 2514.217125][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2514.217125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.217125][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.217125][ T72] netlink_unicast+0x449/0x710 [ 2514.217125][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.217125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.217125][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.217125][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.217125][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.217125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.217125][ T72] [ 2514.218847][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2514.219197][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2514.219197][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2514.219197][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2514.219197][ T72] fib6_nh_init+0xa22/0x1580 [ 2514.219197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.219197][ T72] ip6_route_add+0x1c/0x140 [ 2514.219197][ T72] inet6_rtm_newroute+0x104/0x110 [ 2514.219197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.219197][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.219197][ T72] netlink_unicast+0x449/0x710 [ 2514.219197][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.219197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.219197][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.219197][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.219197][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.219197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.219197][ T72] [ 2514.221257][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2514.221257][ T72] dst_init+0x84/0x4a0 [ 2514.221257][ T72] dst_alloc+0x97/0x150 [ 2514.221257][ T72] ip6_dst_alloc+0x23/0x90 [ 2514.221257][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2514.221257][ T72] ip6_pol_route+0x56f/0x840 [ 2514.221257][ T72] fib6_rule_lookup+0x456/0x630 [ 2514.221257][ T72] ip6_route_input+0x59c/0xa50 [ 2514.221257][ T72] ipv6_rcv+0x397/0x810 [ 2514.221257][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2514.221257][ T72] process_backlog+0x101/0x620 [ 2514.221257][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2514.221257][ T72] net_rx_action+0x495/0xbe0 [ 2514.221257][ T72] __do_softirq+0x1b5/0x7f6 [ 2514.221257][ T72] [ 2514.223011][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2514.223011][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.223011][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.223011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.223011][ T72] ip6_route_add+0x1c/0x140 [ 2514.223011][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2514.223011][ T72] inet6_addr_add+0x4f8/0xa40 [ 2514.223011][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.223011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.223011][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.223011][ T72] netlink_unicast+0x449/0x710 [ 2514.223011][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.223011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.223011][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.223011][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.223011][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.223011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.223011][ T72] [ 2514.225197][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2514.225197][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.225197][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.225197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.225197][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2514.225197][ T72] ipv6_add_addr+0x411/0x2000 [ 2514.225197][ T72] inet6_addr_add+0x30e/0xa40 [ 2514.225197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.225197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.225197][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.225197][ T72] netlink_unicast+0x449/0x710 [ 2514.225197][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.225197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.225197][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.225197][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.225197][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.225197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.225197][ T72] [ 2514.227404][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2514.227404][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.227404][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.227404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.227404][ T72] ip6_route_add+0x1c/0x140 [ 2514.227404][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2514.227404][ T72] addrconf_add_dev+0xe2/0x170 [ 2514.227404][ T72] inet6_addr_add+0x12f/0xa40 [ 2514.227404][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.227404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.227404][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.227404][ T72] netlink_unicast+0x449/0x710 [ 2514.227404][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.227404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.227404][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.227404][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.227404][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.227404][ T72] [ 2514.229596][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2514.229596][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2514.229596][ T72] ipv6_find_idev+0x102/0x170 [ 2514.229596][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2514.229596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.229596][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.229596][ T72] netlink_unicast+0x449/0x710 [ 2514.229596][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.229596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.229596][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.229596][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.229596][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.229596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.229596][ T72] [ 2514.231315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2514.231315][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2514.231315][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2514.231315][ T72] ipv6_find_idev+0x102/0x170 [ 2514.231315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2514.231315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.231315][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.231315][ T72] netlink_unicast+0x449/0x710 [ 2514.231315][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.231315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.231315][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.231315][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.231315][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.231315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.231315][ T72] [ 2514.233155][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2514.233467][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2514.233467][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.233467][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.233467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.233467][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2514.233467][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2514.233467][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2514.233467][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2514.233467][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2514.233467][ T72] addrconf_dad_begin+0x310/0x670 [ 2514.233467][ T72] addrconf_dad_work+0x10b/0xab0 [ 2514.233467][ T72] process_one_work+0x84d/0x18a0 [ 2514.233467][ T72] worker_thread+0x587/0xd30 [ 2514.233467][ T72] kthread+0x28a/0x350 [ 2514.233467][ T72] ret_from_fork+0x31/0x70 [ 2514.233467][ T72] ret_from_fork_asm+0x1a/0x30 [ 2514.233467][ T72] [ 2514.235600][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2514.235600][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.235600][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.235600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.235600][ T72] ip6_route_add+0x1c/0x140 [ 2514.235600][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2514.235600][ T72] inet6_addr_add+0x4f8/0xa40 [ 2514.235600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.235600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.235600][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.235600][ T72] netlink_unicast+0x449/0x710 [ 2514.235600][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.235600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.235600][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.235600][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.235600][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.235600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.235600][ T72] [ 2514.237838][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2514.237838][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.237838][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.237838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.237838][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2514.237838][ T72] ipv6_add_addr+0x411/0x2000 [ 2514.237838][ T72] inet6_addr_add+0x30e/0xa40 [ 2514.237838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.237838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.237838][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.237838][ T72] netlink_unicast+0x449/0x710 [ 2514.237838][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.237838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.237838][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.237838][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.237838][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.237838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.237838][ T72] [ 2514.240081][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2514.240081][ T72] netdev_get_by_index+0x5e/0x80 [ 2514.240081][ T72] fib6_nh_init+0x3d8/0x1580 [ 2514.240081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2514.240081][ T72] ip6_route_add+0x1c/0x140 [ 2514.240081][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2514.240081][ T72] addrconf_add_dev+0xe2/0x170 [ 2514.240081][ T72] inet6_addr_add+0x12f/0xa40 [ 2514.240081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2514.240081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.240081][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.240081][ T72] netlink_unicast+0x449/0x710 [ 2514.240081][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.240081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.240081][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.240081][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.240081][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.240081][ T72] [ 2514.242774][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2514.242774][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2514.242774][ T72] ipv6_find_idev+0x102/0x170 [ 2514.242774][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2514.242774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.242774][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.242774][ T72] netlink_unicast+0x449/0x710 [ 2514.242774][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.242774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.242774][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.242774][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.242774][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.242774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.242774][ T72] [ 2514.244376][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2514.244376][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2514.244376][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2514.244376][ T72] ipv6_find_idev+0x102/0x170 [ 2514.244376][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2514.244376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2514.244376][ T72] netlink_rcv_skb+0x130/0x360 [ 2514.244376][ T72] netlink_unicast+0x449/0x710 [ 2514.244376][ T72] netlink_sendmsg+0x723/0xbe0 [ 2514.244376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2514.244376][ T72] ___sys_sendmsg+0xee/0x170 [ 2514.244376][ T72] __sys_sendmsg+0xcd/0x170 [ 2514.244376][ T72] do_syscall_64+0xc6/0x1e0 [ 2514.244376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2514.244376][ T72] [ 2524.488953][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2524.489451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2524.489451][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2524.489451][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2524.489451][ T72] fib6_nh_init+0xa22/0x1580 [ 2524.489451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.489451][ T72] ip6_route_add+0x1c/0x140 [ 2524.489451][ T72] inet6_rtm_newroute+0x104/0x110 [ 2524.489451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.489451][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.489451][ T72] netlink_unicast+0x449/0x710 [ 2524.489451][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.489451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.489451][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.489451][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.489451][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.489451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.489451][ T72] [ 2524.491310][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2524.491310][ T72] dst_init+0x84/0x4a0 [ 2524.491310][ T72] dst_alloc+0x97/0x150 [ 2524.491310][ T72] ip6_dst_alloc+0x23/0x90 [ 2524.491310][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2524.491310][ T72] ip6_pol_route+0x56f/0x840 [ 2524.491310][ T72] fib6_rule_lookup+0x456/0x630 [ 2524.491310][ T72] ip6_route_input+0x59c/0xa50 [ 2524.491310][ T72] ipv6_rcv+0x397/0x810 [ 2524.491310][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2524.491310][ T72] process_backlog+0x101/0x620 [ 2524.491310][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2524.491310][ T72] net_rx_action+0x495/0xbe0 [ 2524.491310][ T72] __do_softirq+0x1b5/0x7f6 [ 2524.491310][ T72] [ 2524.492899][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2524.492899][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.492899][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.492899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.492899][ T72] ip6_route_add+0x1c/0x140 [ 2524.492899][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2524.492899][ T72] inet6_addr_add+0x4f8/0xa40 [ 2524.492899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.492899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.492899][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.492899][ T72] netlink_unicast+0x449/0x710 [ 2524.492899][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.492899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.492899][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.492899][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.492899][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.492899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.492899][ T72] [ 2524.494920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2524.494920][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.494920][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.494920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.494920][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2524.494920][ T72] ipv6_add_addr+0x411/0x2000 [ 2524.494920][ T72] inet6_addr_add+0x30e/0xa40 [ 2524.494920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.494920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.494920][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.494920][ T72] netlink_unicast+0x449/0x710 [ 2524.494920][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.494920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.494920][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.494920][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.494920][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.494920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.494920][ T72] [ 2524.496885][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2524.496885][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.496885][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.496885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.496885][ T72] ip6_route_add+0x1c/0x140 [ 2524.496885][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2524.496885][ T72] addrconf_add_dev+0xe2/0x170 [ 2524.496885][ T72] inet6_addr_add+0x12f/0xa40 [ 2524.496885][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.496885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.496885][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.496885][ T72] netlink_unicast+0x449/0x710 [ 2524.496885][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.496885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.496885][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.496885][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.496885][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.496885][ T72] [ 2524.498791][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2524.498791][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2524.498791][ T72] ipv6_find_idev+0x102/0x170 [ 2524.498791][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2524.498791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.498791][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.498791][ T72] netlink_unicast+0x449/0x710 [ 2524.498791][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.498791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.498791][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.498791][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.498791][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.498791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.498791][ T72] [ 2524.500303][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2524.500303][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2524.500303][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2524.500303][ T72] ipv6_find_idev+0x102/0x170 [ 2524.500303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2524.500303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.500303][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.500303][ T72] netlink_unicast+0x449/0x710 [ 2524.500303][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.500303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.500303][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.500303][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.500303][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.500303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.500303][ T72] [ 2524.501983][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2524.502267][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2524.502267][ T72] dst_init+0x84/0x4a0 [ 2524.502267][ T72] dst_alloc+0x97/0x150 [ 2524.502267][ T72] ip6_dst_alloc+0x23/0x90 [ 2524.502267][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2524.502267][ T72] ip6_pol_route+0x56f/0x840 [ 2524.502267][ T72] fib6_rule_lookup+0x456/0x630 [ 2524.502267][ T72] ip6_route_input+0x59c/0xa50 [ 2524.502267][ T72] ipv6_rcv+0x397/0x810 [ 2524.502267][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2524.502267][ T72] process_backlog+0x101/0x620 [ 2524.502267][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2524.502267][ T72] net_rx_action+0x495/0xbe0 [ 2524.502267][ T72] __do_softirq+0x1b5/0x7f6 [ 2524.502267][ T72] [ 2524.503895][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2524.503895][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.503895][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.503895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.503895][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2524.503895][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2524.503895][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2524.503895][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2524.503895][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2524.503895][ T72] addrconf_dad_begin+0x310/0x670 [ 2524.503895][ T72] addrconf_dad_work+0x10b/0xab0 [ 2524.503895][ T72] process_one_work+0x84d/0x18a0 [ 2524.503895][ T72] worker_thread+0x587/0xd30 [ 2524.503895][ T72] kthread+0x28a/0x350 [ 2524.503895][ T72] ret_from_fork+0x31/0x70 [ 2524.503895][ T72] ret_from_fork_asm+0x1a/0x30 [ 2524.503895][ T72] [ 2524.505808][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2524.505808][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.505808][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.505808][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.505808][ T72] ip6_route_add+0x1c/0x140 [ 2524.505808][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2524.505808][ T72] inet6_addr_add+0x4f8/0xa40 [ 2524.505808][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.505808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.505808][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.505808][ T72] netlink_unicast+0x449/0x710 [ 2524.505808][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.505808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.505808][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.505808][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.505808][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.505808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.505808][ T72] [ 2524.507809][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2524.507809][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.507809][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.507809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.507809][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2524.507809][ T72] ipv6_add_addr+0x411/0x2000 [ 2524.507809][ T72] inet6_addr_add+0x30e/0xa40 [ 2524.507809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.507809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.507809][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.507809][ T72] netlink_unicast+0x449/0x710 [ 2524.507809][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.507809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.507809][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.507809][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.507809][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.507809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.507809][ T72] [ 2524.509790][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2524.509790][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.509790][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.509790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.509790][ T72] ip6_route_add+0x1c/0x140 [ 2524.509790][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2524.509790][ T72] addrconf_add_dev+0xe2/0x170 [ 2524.509790][ T72] inet6_addr_add+0x12f/0xa40 [ 2524.509790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.509790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.509790][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.509790][ T72] netlink_unicast+0x449/0x710 [ 2524.509790][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.509790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.509790][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.509790][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.509790][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.509790][ T72] [ 2524.511755][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2524.511755][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2524.511755][ T72] ipv6_find_idev+0x102/0x170 [ 2524.511755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2524.511755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.511755][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.511755][ T72] netlink_unicast+0x449/0x710 [ 2524.511755][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.511755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.511755][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.511755][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.511755][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.511755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.511755][ T72] [ 2524.513287][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2524.513287][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2524.513287][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2524.513287][ T72] ipv6_find_idev+0x102/0x170 [ 2524.513287][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2524.513287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.513287][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.513287][ T72] netlink_unicast+0x449/0x710 [ 2524.513287][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.513287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.513287][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.513287][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.513287][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.513287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.513287][ T72] [ 2524.515024][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2524.515370][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2524.515370][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2524.515370][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2524.515370][ T72] fib6_nh_init+0xa22/0x1580 [ 2524.515370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.515370][ T72] ip6_route_add+0x1c/0x140 [ 2524.515370][ T72] inet6_rtm_newroute+0x104/0x110 [ 2524.515370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.515370][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.515370][ T72] netlink_unicast+0x449/0x710 [ 2524.515370][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.515370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.515370][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.515370][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.515370][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.515370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.515370][ T72] [ 2524.517488][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2524.517488][ T72] dst_init+0x84/0x4a0 [ 2524.517488][ T72] dst_alloc+0x97/0x150 [ 2524.517488][ T72] ip6_dst_alloc+0x23/0x90 [ 2524.517488][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2524.517488][ T72] ip6_pol_route+0x56f/0x840 [ 2524.517488][ T72] fib6_rule_lookup+0x456/0x630 [ 2524.517488][ T72] ip6_route_input+0x59c/0xa50 [ 2524.517488][ T72] ipv6_rcv+0x397/0x810 [ 2524.517488][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2524.517488][ T72] process_backlog+0x101/0x620 [ 2524.517488][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2524.517488][ T72] net_rx_action+0x495/0xbe0 [ 2524.517488][ T72] __do_softirq+0x1b5/0x7f6 [ 2524.517488][ T72] [ 2524.519299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2524.519299][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.519299][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.519299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.519299][ T72] ip6_route_add+0x1c/0x140 [ 2524.519299][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2524.519299][ T72] inet6_addr_add+0x4f8/0xa40 [ 2524.519299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.519299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.519299][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.519299][ T72] netlink_unicast+0x449/0x710 [ 2524.519299][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.519299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.519299][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.519299][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.519299][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.519299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.519299][ T72] [ 2524.521567][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2524.521567][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.521567][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.521567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.521567][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2524.521567][ T72] ipv6_add_addr+0x411/0x2000 [ 2524.521567][ T72] inet6_addr_add+0x30e/0xa40 [ 2524.521567][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.521567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.521567][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.521567][ T72] netlink_unicast+0x449/0x710 [ 2524.521567][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.521567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.521567][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.521567][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.521567][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.521567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.521567][ T72] [ 2524.523823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2524.523823][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.523823][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.523823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.523823][ T72] ip6_route_add+0x1c/0x140 [ 2524.523823][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2524.523823][ T72] addrconf_add_dev+0xe2/0x170 [ 2524.523823][ T72] inet6_addr_add+0x12f/0xa40 [ 2524.523823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.523823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.523823][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.523823][ T72] netlink_unicast+0x449/0x710 [ 2524.523823][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.523823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.523823][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.523823][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.523823][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.523823][ T72] [ 2524.526076][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2524.526076][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2524.526076][ T72] ipv6_find_idev+0x102/0x170 [ 2524.526076][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2524.526076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.526076][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.526076][ T72] netlink_unicast+0x449/0x710 [ 2524.526076][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.526076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.526076][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.526076][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.526076][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.526076][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.526076][ T72] [ 2524.527803][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2524.527803][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2524.527803][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2524.527803][ T72] ipv6_find_idev+0x102/0x170 [ 2524.527803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2524.527803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.527803][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.527803][ T72] netlink_unicast+0x449/0x710 [ 2524.527803][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.527803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.527803][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.527803][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.527803][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.527803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.527803][ T72] [ 2524.529642][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2524.530432][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2524.530432][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.530432][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.530432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.530432][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2524.530432][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2524.530432][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2524.530432][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2524.530432][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2524.530432][ T72] addrconf_dad_begin+0x310/0x670 [ 2524.530432][ T72] addrconf_dad_work+0x10b/0xab0 [ 2524.530432][ T72] process_one_work+0x84d/0x18a0 [ 2524.530432][ T72] worker_thread+0x587/0xd30 [ 2524.530432][ T72] kthread+0x28a/0x350 [ 2524.530432][ T72] ret_from_fork+0x31/0x70 [ 2524.530432][ T72] ret_from_fork_asm+0x1a/0x30 [ 2524.530432][ T72] [ 2524.532319][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2524.532319][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.532319][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.532319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.532319][ T72] ip6_route_add+0x1c/0x140 [ 2524.532319][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2524.532319][ T72] inet6_addr_add+0x4f8/0xa40 [ 2524.532319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.532319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.532319][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.532319][ T72] netlink_unicast+0x449/0x710 [ 2524.532319][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.532319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.532319][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.532319][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.532319][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.532319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.532319][ T72] [ 2524.534354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2524.534354][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.534354][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.534354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.534354][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2524.534354][ T72] ipv6_add_addr+0x411/0x2000 [ 2524.534354][ T72] inet6_addr_add+0x30e/0xa40 [ 2524.534354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.534354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.534354][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.534354][ T72] netlink_unicast+0x449/0x710 [ 2524.534354][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.534354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.534354][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.534354][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.534354][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.534354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.534354][ T72] [ 2524.536584][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2524.536584][ T72] netdev_get_by_index+0x5e/0x80 [ 2524.536584][ T72] fib6_nh_init+0x3d8/0x1580 [ 2524.536584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2524.536584][ T72] ip6_route_add+0x1c/0x140 [ 2524.536584][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2524.536584][ T72] addrconf_add_dev+0xe2/0x170 [ 2524.536584][ T72] inet6_addr_add+0x12f/0xa40 [ 2524.536584][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2524.536584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.536584][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.536584][ T72] netlink_unicast+0x449/0x710 [ 2524.536584][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.536584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.536584][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.536584][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.536584][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.536584][ T72] [ 2524.538836][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2524.538836][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2524.538836][ T72] ipv6_find_idev+0x102/0x170 [ 2524.538836][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2524.538836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.538836][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.538836][ T72] netlink_unicast+0x449/0x710 [ 2524.538836][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.538836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.538836][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.538836][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.538836][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.538836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.538836][ T72] [ 2524.540568][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2524.540568][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2524.540568][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2524.540568][ T72] ipv6_find_idev+0x102/0x170 [ 2524.540568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2524.540568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2524.540568][ T72] netlink_rcv_skb+0x130/0x360 [ 2524.540568][ T72] netlink_unicast+0x449/0x710 [ 2524.540568][ T72] netlink_sendmsg+0x723/0xbe0 [ 2524.540568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2524.540568][ T72] ___sys_sendmsg+0xee/0x170 [ 2524.540568][ T72] __sys_sendmsg+0xcd/0x170 [ 2524.540568][ T72] do_syscall_64+0xc6/0x1e0 [ 2524.540568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2524.540568][ T72] [ 2534.784975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2534.785540][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2534.785540][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2534.785540][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2534.785540][ T72] fib6_nh_init+0xa22/0x1580 [ 2534.785540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.785540][ T72] ip6_route_add+0x1c/0x140 [ 2534.785540][ T72] inet6_rtm_newroute+0x104/0x110 [ 2534.785540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.785540][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.785540][ T72] netlink_unicast+0x449/0x710 [ 2534.785540][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.785540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.785540][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.785540][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.785540][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.785540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.785540][ T72] [ 2534.787445][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2534.787445][ T72] dst_init+0x84/0x4a0 [ 2534.787445][ T72] dst_alloc+0x97/0x150 [ 2534.787445][ T72] ip6_dst_alloc+0x23/0x90 [ 2534.787445][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2534.787445][ T72] ip6_pol_route+0x56f/0x840 [ 2534.787445][ T72] fib6_rule_lookup+0x456/0x630 [ 2534.787445][ T72] ip6_route_input+0x59c/0xa50 [ 2534.787445][ T72] ipv6_rcv+0x397/0x810 [ 2534.787445][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2534.787445][ T72] process_backlog+0x101/0x620 [ 2534.787445][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2534.787445][ T72] net_rx_action+0x495/0xbe0 [ 2534.787445][ T72] __do_softirq+0x1b5/0x7f6 [ 2534.787445][ T72] [ 2534.789039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2534.789039][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.789039][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.789039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.789039][ T72] ip6_route_add+0x1c/0x140 [ 2534.789039][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2534.789039][ T72] inet6_addr_add+0x4f8/0xa40 [ 2534.789039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.789039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.789039][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.789039][ T72] netlink_unicast+0x449/0x710 [ 2534.789039][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.789039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.789039][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.789039][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.789039][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.789039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.789039][ T72] [ 2534.791016][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2534.791016][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.791016][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.791016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.791016][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2534.791016][ T72] ipv6_add_addr+0x411/0x2000 [ 2534.791016][ T72] inet6_addr_add+0x30e/0xa40 [ 2534.791016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.791016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.791016][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.791016][ T72] netlink_unicast+0x449/0x710 [ 2534.791016][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.791016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.791016][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.791016][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.791016][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.791016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.791016][ T72] [ 2534.793006][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2534.793006][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.793006][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.793006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.793006][ T72] ip6_route_add+0x1c/0x140 [ 2534.793006][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2534.793006][ T72] addrconf_add_dev+0xe2/0x170 [ 2534.793006][ T72] inet6_addr_add+0x12f/0xa40 [ 2534.793006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.793006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.793006][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.793006][ T72] netlink_unicast+0x449/0x710 [ 2534.793006][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.793006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.793006][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.793006][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.793006][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.793006][ T72] [ 2534.794967][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2534.794967][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2534.794967][ T72] ipv6_find_idev+0x102/0x170 [ 2534.794967][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.794967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.794967][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.794967][ T72] netlink_unicast+0x449/0x710 [ 2534.794967][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.794967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.794967][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.794967][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.794967][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.794967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.794967][ T72] [ 2534.796514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2534.796514][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2534.796514][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2534.796514][ T72] ipv6_find_idev+0x102/0x170 [ 2534.796514][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.796514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.796514][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.796514][ T72] netlink_unicast+0x449/0x710 [ 2534.796514][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.796514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.796514][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.796514][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.796514][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.796514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.796514][ T72] [ 2534.798195][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2534.798470][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2534.798470][ T72] dst_init+0x84/0x4a0 [ 2534.798470][ T72] dst_alloc+0x97/0x150 [ 2534.798470][ T72] ip6_dst_alloc+0x23/0x90 [ 2534.798470][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2534.798470][ T72] ip6_pol_route+0x56f/0x840 [ 2534.798470][ T72] fib6_rule_lookup+0x456/0x630 [ 2534.798470][ T72] ip6_route_input+0x59c/0xa50 [ 2534.798470][ T72] ipv6_rcv+0x397/0x810 [ 2534.798470][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2534.798470][ T72] process_backlog+0x101/0x620 [ 2534.798470][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2534.798470][ T72] net_rx_action+0x495/0xbe0 [ 2534.798470][ T72] __do_softirq+0x1b5/0x7f6 [ 2534.798470][ T72] [ 2534.800101][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2534.800101][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.800101][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.800101][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.800101][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2534.800101][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2534.800101][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2534.800101][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2534.800101][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2534.800101][ T72] addrconf_dad_begin+0x310/0x670 [ 2534.800101][ T72] addrconf_dad_work+0x10b/0xab0 [ 2534.800101][ T72] process_one_work+0x84d/0x18a0 [ 2534.800101][ T72] worker_thread+0x587/0xd30 [ 2534.800101][ T72] kthread+0x28a/0x350 [ 2534.800101][ T72] ret_from_fork+0x31/0x70 [ 2534.800101][ T72] ret_from_fork_asm+0x1a/0x30 [ 2534.800101][ T72] [ 2534.802011][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2534.802011][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.802011][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.802011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.802011][ T72] ip6_route_add+0x1c/0x140 [ 2534.802011][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2534.802011][ T72] inet6_addr_add+0x4f8/0xa40 [ 2534.802011][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.802011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.802011][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.802011][ T72] netlink_unicast+0x449/0x710 [ 2534.802011][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.802011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.802011][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.802011][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.802011][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.802011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.802011][ T72] [ 2534.803995][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2534.803995][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.803995][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.803995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.803995][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2534.803995][ T72] ipv6_add_addr+0x411/0x2000 [ 2534.803995][ T72] inet6_addr_add+0x30e/0xa40 [ 2534.803995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.803995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.803995][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.803995][ T72] netlink_unicast+0x449/0x710 [ 2534.803995][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.803995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.803995][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.803995][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.803995][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.803995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.803995][ T72] [ 2534.806030][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2534.806030][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.806030][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.806030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.806030][ T72] ip6_route_add+0x1c/0x140 [ 2534.806030][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2534.806030][ T72] addrconf_add_dev+0xe2/0x170 [ 2534.806030][ T72] inet6_addr_add+0x12f/0xa40 [ 2534.806030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.806030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.806030][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.806030][ T72] netlink_unicast+0x449/0x710 [ 2534.806030][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.806030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.806030][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.806030][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.806030][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.806030][ T72] [ 2534.807977][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2534.807977][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2534.807977][ T72] ipv6_find_idev+0x102/0x170 [ 2534.807977][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.807977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.807977][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.807977][ T72] netlink_unicast+0x449/0x710 [ 2534.807977][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.807977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.807977][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.807977][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.807977][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.807977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.807977][ T72] [ 2534.809497][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2534.809497][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2534.809497][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2534.809497][ T72] ipv6_find_idev+0x102/0x170 [ 2534.809497][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.809497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.809497][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.809497][ T72] netlink_unicast+0x449/0x710 [ 2534.809497][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.809497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.809497][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.809497][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.809497][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.809497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.809497][ T72] [ 2534.811238][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2534.811577][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2534.811577][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2534.811577][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2534.811577][ T72] fib6_nh_init+0xa22/0x1580 [ 2534.811577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.811577][ T72] ip6_route_add+0x1c/0x140 [ 2534.811577][ T72] inet6_rtm_newroute+0x104/0x110 [ 2534.811577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.811577][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.811577][ T72] netlink_unicast+0x449/0x710 [ 2534.811577][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.811577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.811577][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.811577][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.811577][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.811577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.811577][ T72] [ 2534.813690][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2534.813690][ T72] dst_init+0x84/0x4a0 [ 2534.813690][ T72] dst_alloc+0x97/0x150 [ 2534.813690][ T72] ip6_dst_alloc+0x23/0x90 [ 2534.813690][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2534.813690][ T72] ip6_pol_route+0x56f/0x840 [ 2534.813690][ T72] fib6_rule_lookup+0x456/0x630 [ 2534.813690][ T72] ip6_route_input+0x59c/0xa50 [ 2534.813690][ T72] ipv6_rcv+0x397/0x810 [ 2534.813690][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2534.813690][ T72] process_backlog+0x101/0x620 [ 2534.813690][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2534.813690][ T72] net_rx_action+0x495/0xbe0 [ 2534.813690][ T72] __do_softirq+0x1b5/0x7f6 [ 2534.813690][ T72] [ 2534.815597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2534.815597][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.815597][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.815597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.815597][ T72] ip6_route_add+0x1c/0x140 [ 2534.815597][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2534.815597][ T72] inet6_addr_add+0x4f8/0xa40 [ 2534.815597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.815597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.815597][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.815597][ T72] netlink_unicast+0x449/0x710 [ 2534.815597][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.815597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.815597][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.815597][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.815597][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.815597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.815597][ T72] [ 2534.817860][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2534.817860][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.817860][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.817860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.817860][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2534.817860][ T72] ipv6_add_addr+0x411/0x2000 [ 2534.817860][ T72] inet6_addr_add+0x30e/0xa40 [ 2534.817860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.817860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.817860][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.817860][ T72] netlink_unicast+0x449/0x710 [ 2534.817860][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.817860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.817860][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.817860][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.817860][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.817860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.817860][ T72] [ 2534.820620][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2534.820620][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.820620][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.820620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.820620][ T72] ip6_route_add+0x1c/0x140 [ 2534.820620][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2534.820620][ T72] addrconf_add_dev+0xe2/0x170 [ 2534.820620][ T72] inet6_addr_add+0x12f/0xa40 [ 2534.820620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.820620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.820620][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.820620][ T72] netlink_unicast+0x449/0x710 [ 2534.820620][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.820620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.820620][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.820620][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.820620][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.820620][ T72] [ 2534.822865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2534.822865][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2534.822865][ T72] ipv6_find_idev+0x102/0x170 [ 2534.822865][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.822865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.822865][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.822865][ T72] netlink_unicast+0x449/0x710 [ 2534.822865][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.822865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.822865][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.822865][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.822865][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.822865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.822865][ T72] [ 2534.824574][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2534.824574][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2534.824574][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2534.824574][ T72] ipv6_find_idev+0x102/0x170 [ 2534.824574][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.824574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.824574][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.824574][ T72] netlink_unicast+0x449/0x710 [ 2534.824574][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.824574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.824574][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.824574][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.824574][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.824574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.824574][ T72] [ 2534.826431][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2534.826705][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2534.826705][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.826705][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.826705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.826705][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2534.826705][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2534.826705][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2534.826705][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2534.826705][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2534.826705][ T72] addrconf_dad_begin+0x310/0x670 [ 2534.826705][ T72] addrconf_dad_work+0x10b/0xab0 [ 2534.826705][ T72] process_one_work+0x84d/0x18a0 [ 2534.826705][ T72] worker_thread+0x587/0xd30 [ 2534.826705][ T72] kthread+0x28a/0x350 [ 2534.826705][ T72] ret_from_fork+0x31/0x70 [ 2534.826705][ T72] ret_from_fork_asm+0x1a/0x30 [ 2534.826705][ T72] [ 2534.828833][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2534.828833][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.828833][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.828833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.828833][ T72] ip6_route_add+0x1c/0x140 [ 2534.828833][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2534.828833][ T72] inet6_addr_add+0x4f8/0xa40 [ 2534.828833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.828833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.828833][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.828833][ T72] netlink_unicast+0x449/0x710 [ 2534.828833][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.828833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.828833][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.828833][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.828833][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.828833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.828833][ T72] [ 2534.831050][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2534.831050][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.831050][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.831050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.831050][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2534.831050][ T72] ipv6_add_addr+0x411/0x2000 [ 2534.831050][ T72] inet6_addr_add+0x30e/0xa40 [ 2534.831050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.831050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.831050][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.831050][ T72] netlink_unicast+0x449/0x710 [ 2534.831050][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.831050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.831050][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.831050][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.831050][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.831050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.831050][ T72] [ 2534.833751][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2534.833751][ T72] netdev_get_by_index+0x5e/0x80 [ 2534.833751][ T72] fib6_nh_init+0x3d8/0x1580 [ 2534.833751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2534.833751][ T72] ip6_route_add+0x1c/0x140 [ 2534.833751][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2534.833751][ T72] addrconf_add_dev+0xe2/0x170 [ 2534.833751][ T72] inet6_addr_add+0x12f/0xa40 [ 2534.833751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.833751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.833751][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.833751][ T72] netlink_unicast+0x449/0x710 [ 2534.833751][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.833751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.833751][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.833751][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.833751][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.833751][ T72] [ 2534.835941][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2534.835941][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2534.835941][ T72] ipv6_find_idev+0x102/0x170 [ 2534.835941][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.835941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.835941][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.835941][ T72] netlink_unicast+0x449/0x710 [ 2534.835941][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.835941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.835941][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.835941][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.835941][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.835941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.835941][ T72] [ 2534.837593][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2534.837593][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2534.837593][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2534.837593][ T72] ipv6_find_idev+0x102/0x170 [ 2534.837593][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.837593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.837593][ T72] netlink_rcv_skb+0x130/0x360 [ 2534.837593][ T72] netlink_unicast+0x449/0x710 [ 2534.837593][ T72] netlink_sendmsg+0x723/0xbe0 [ 2534.837593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2534.837593][ T72] ___sys_sendmsg+0xee/0x170 [ 2534.837593][ T72] __sys_sendmsg+0xcd/0x170 [ 2534.837593][ T72] do_syscall_64+0xc6/0x1e0 [ 2534.837593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.837593][ T72] [ 2545.081135][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2545.081648][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2545.081648][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2545.081648][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2545.081648][ T72] fib6_nh_init+0xa22/0x1580 [ 2545.081648][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.081648][ T72] ip6_route_add+0x1c/0x140 [ 2545.081648][ T72] inet6_rtm_newroute+0x104/0x110 [ 2545.081648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.081648][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.081648][ T72] netlink_unicast+0x449/0x710 [ 2545.081648][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.081648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.081648][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.081648][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.081648][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.081648][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.081648][ T72] [ 2545.083503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2545.083503][ T72] dst_init+0x84/0x4a0 [ 2545.083503][ T72] dst_alloc+0x97/0x150 [ 2545.083503][ T72] ip6_dst_alloc+0x23/0x90 [ 2545.083503][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2545.083503][ T72] ip6_pol_route+0x56f/0x840 [ 2545.083503][ T72] fib6_rule_lookup+0x456/0x630 [ 2545.083503][ T72] ip6_route_input+0x59c/0xa50 [ 2545.083503][ T72] ipv6_rcv+0x397/0x810 [ 2545.083503][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2545.083503][ T72] process_backlog+0x101/0x620 [ 2545.083503][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2545.083503][ T72] net_rx_action+0x495/0xbe0 [ 2545.083503][ T72] __do_softirq+0x1b5/0x7f6 [ 2545.083503][ T72] [ 2545.085123][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2545.085123][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.085123][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.085123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.085123][ T72] ip6_route_add+0x1c/0x140 [ 2545.085123][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2545.085123][ T72] inet6_addr_add+0x4f8/0xa40 [ 2545.085123][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.085123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.085123][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.085123][ T72] netlink_unicast+0x449/0x710 [ 2545.085123][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.085123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.085123][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.085123][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.085123][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.085123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.085123][ T72] [ 2545.087142][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2545.087142][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.087142][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.087142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.087142][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2545.087142][ T72] ipv6_add_addr+0x411/0x2000 [ 2545.087142][ T72] inet6_addr_add+0x30e/0xa40 [ 2545.087142][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.087142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.087142][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.087142][ T72] netlink_unicast+0x449/0x710 [ 2545.087142][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.087142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.087142][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.087142][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.087142][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.087142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.087142][ T72] [ 2545.089077][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2545.089077][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.089077][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.089077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.089077][ T72] ip6_route_add+0x1c/0x140 [ 2545.089077][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2545.089077][ T72] addrconf_add_dev+0xe2/0x170 [ 2545.089077][ T72] inet6_addr_add+0x12f/0xa40 [ 2545.089077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.089077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.089077][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.089077][ T72] netlink_unicast+0x449/0x710 [ 2545.089077][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.089077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.089077][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.089077][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.089077][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.089077][ T72] [ 2545.090977][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2545.090977][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2545.090977][ T72] ipv6_find_idev+0x102/0x170 [ 2545.090977][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2545.090977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.090977][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.090977][ T72] netlink_unicast+0x449/0x710 [ 2545.090977][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.090977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.090977][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.090977][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.090977][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.090977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.090977][ T72] [ 2545.092469][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2545.092469][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2545.092469][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2545.092469][ T72] ipv6_find_idev+0x102/0x170 [ 2545.092469][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2545.092469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.092469][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.092469][ T72] netlink_unicast+0x449/0x710 [ 2545.092469][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.092469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.092469][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.092469][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.092469][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.092469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.092469][ T72] [ 2545.094130][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2545.094402][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2545.094402][ T72] dst_init+0x84/0x4a0 [ 2545.094402][ T72] dst_alloc+0x97/0x150 [ 2545.094402][ T72] ip6_dst_alloc+0x23/0x90 [ 2545.094402][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2545.094402][ T72] ip6_pol_route+0x56f/0x840 [ 2545.094402][ T72] fib6_rule_lookup+0x456/0x630 [ 2545.094402][ T72] ip6_route_input+0x59c/0xa50 [ 2545.094402][ T72] ipv6_rcv+0x397/0x810 [ 2545.094402][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2545.094402][ T72] process_backlog+0x101/0x620 [ 2545.094402][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2545.094402][ T72] net_rx_action+0x495/0xbe0 [ 2545.094402][ T72] __do_softirq+0x1b5/0x7f6 [ 2545.094402][ T72] [ 2545.096051][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2545.096051][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.096051][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.096051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.096051][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2545.096051][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2545.096051][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2545.096051][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2545.096051][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2545.096051][ T72] addrconf_dad_begin+0x310/0x670 [ 2545.096051][ T72] addrconf_dad_work+0x10b/0xab0 [ 2545.096051][ T72] process_one_work+0x84d/0x18a0 [ 2545.096051][ T72] worker_thread+0x587/0xd30 [ 2545.096051][ T72] kthread+0x28a/0x350 [ 2545.096051][ T72] ret_from_fork+0x31/0x70 [ 2545.096051][ T72] ret_from_fork_asm+0x1a/0x30 [ 2545.096051][ T72] [ 2545.097920][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2545.097920][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.097920][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.097920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.097920][ T72] ip6_route_add+0x1c/0x140 [ 2545.097920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2545.097920][ T72] inet6_addr_add+0x4f8/0xa40 [ 2545.097920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.097920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.097920][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.097920][ T72] netlink_unicast+0x449/0x710 [ 2545.097920][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.097920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.097920][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.097920][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.097920][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.097920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.097920][ T72] [ 2545.099871][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2545.099871][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.099871][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.099871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.099871][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2545.099871][ T72] ipv6_add_addr+0x411/0x2000 [ 2545.099871][ T72] inet6_addr_add+0x30e/0xa40 [ 2545.099871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.099871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.099871][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.099871][ T72] netlink_unicast+0x449/0x710 [ 2545.099871][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.099871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.099871][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.099871][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.099871][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.099871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.099871][ T72] [ 2545.101846][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2545.101846][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.101846][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.101846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.101846][ T72] ip6_route_add+0x1c/0x140 [ 2545.101846][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2545.101846][ T72] addrconf_add_dev+0xe2/0x170 [ 2545.101846][ T72] inet6_addr_add+0x12f/0xa40 [ 2545.101846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.101846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.101846][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.101846][ T72] netlink_unicast+0x449/0x710 [ 2545.101846][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.101846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.101846][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.101846][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.101846][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.101846][ T72] [ 2545.103740][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2545.103740][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2545.103740][ T72] ipv6_find_idev+0x102/0x170 [ 2545.103740][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2545.103740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.103740][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.103740][ T72] netlink_unicast+0x449/0x710 [ 2545.103740][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.103740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.103740][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.103740][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.103740][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.103740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.103740][ T72] [ 2545.105301][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2545.105301][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2545.105301][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2545.105301][ T72] ipv6_find_idev+0x102/0x170 [ 2545.105301][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2545.105301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.105301][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.105301][ T72] netlink_unicast+0x449/0x710 [ 2545.105301][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.105301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.105301][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.105301][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.105301][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.105301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.105301][ T72] [ 2545.107040][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2545.107366][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2545.107366][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2545.107366][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2545.107366][ T72] fib6_nh_init+0xa22/0x1580 [ 2545.107366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.107366][ T72] ip6_route_add+0x1c/0x140 [ 2545.107366][ T72] inet6_rtm_newroute+0x104/0x110 [ 2545.107366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.107366][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.107366][ T72] netlink_unicast+0x449/0x710 [ 2545.107366][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.107366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.107366][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.107366][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.107366][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.107366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.107366][ T72] [ 2545.109483][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2545.109483][ T72] dst_init+0x84/0x4a0 [ 2545.109483][ T72] dst_alloc+0x97/0x150 [ 2545.109483][ T72] ip6_dst_alloc+0x23/0x90 [ 2545.109483][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2545.109483][ T72] ip6_pol_route+0x56f/0x840 [ 2545.109483][ T72] fib6_rule_lookup+0x456/0x630 [ 2545.109483][ T72] ip6_route_input+0x59c/0xa50 [ 2545.109483][ T72] ipv6_rcv+0x397/0x810 [ 2545.109483][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2545.109483][ T72] process_backlog+0x101/0x620 [ 2545.109483][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2545.109483][ T72] net_rx_action+0x495/0xbe0 [ 2545.109483][ T72] __do_softirq+0x1b5/0x7f6 [ 2545.109483][ T72] [ 2545.111305][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2545.111305][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.111305][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.111305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.111305][ T72] ip6_route_add+0x1c/0x140 [ 2545.111305][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2545.111305][ T72] inet6_addr_add+0x4f8/0xa40 [ 2545.111305][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.111305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.111305][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.111305][ T72] netlink_unicast+0x449/0x710 [ 2545.111305][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.111305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.111305][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.111305][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.111305][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.111305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.111305][ T72] [ 2545.113537][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2545.113537][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.113537][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.113537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.113537][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2545.113537][ T72] ipv6_add_addr+0x411/0x2000 [ 2545.113537][ T72] inet6_addr_add+0x30e/0xa40 [ 2545.113537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.113537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.113537][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.113537][ T72] netlink_unicast+0x449/0x710 [ 2545.113537][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.113537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.113537][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.113537][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.113537][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.113537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.113537][ T72] [ 2545.115702][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2545.115702][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.115702][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.115702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.115702][ T72] ip6_route_add+0x1c/0x140 [ 2545.115702][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2545.115702][ T72] addrconf_add_dev+0xe2/0x170 [ 2545.115702][ T72] inet6_addr_add+0x12f/0xa40 [ 2545.115702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.115702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.115702][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.115702][ T72] netlink_unicast+0x449/0x710 [ 2545.115702][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.115702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.115702][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.115702][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.115702][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.115702][ T72] [ 2545.118002][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2545.118002][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2545.118002][ T72] ipv6_find_idev+0x102/0x170 [ 2545.118002][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2545.118002][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.118002][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.118002][ T72] netlink_unicast+0x449/0x710 [ 2545.118002][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.118002][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.118002][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.118002][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.118002][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.118002][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.118002][ T72] [ 2545.119701][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2545.119701][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2545.119701][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2545.119701][ T72] ipv6_find_idev+0x102/0x170 [ 2545.119701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2545.119701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.119701][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.119701][ T72] netlink_unicast+0x449/0x710 [ 2545.119701][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.119701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.119701][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.119701][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.119701][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.119701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.119701][ T72] [ 2545.121552][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2545.121828][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2545.121828][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.121828][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.121828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.121828][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2545.121828][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2545.121828][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2545.121828][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2545.121828][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2545.121828][ T72] addrconf_dad_begin+0x310/0x670 [ 2545.121828][ T72] addrconf_dad_work+0x10b/0xab0 [ 2545.121828][ T72] process_one_work+0x84d/0x18a0 [ 2545.121828][ T72] worker_thread+0x587/0xd30 [ 2545.121828][ T72] kthread+0x28a/0x350 [ 2545.121828][ T72] ret_from_fork+0x31/0x70 [ 2545.121828][ T72] ret_from_fork_asm+0x1a/0x30 [ 2545.121828][ T72] [ 2545.123967][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2545.123967][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.123967][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.123967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.123967][ T72] ip6_route_add+0x1c/0x140 [ 2545.123967][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2545.123967][ T72] inet6_addr_add+0x4f8/0xa40 [ 2545.123967][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.123967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.123967][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.123967][ T72] netlink_unicast+0x449/0x710 [ 2545.123967][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.123967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.123967][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.123967][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.123967][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.123967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.123967][ T72] [ 2545.126225][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2545.126225][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.126225][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.126225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.126225][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2545.126225][ T72] ipv6_add_addr+0x411/0x2000 [ 2545.126225][ T72] inet6_addr_add+0x30e/0xa40 [ 2545.126225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.126225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.126225][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.126225][ T72] netlink_unicast+0x449/0x710 [ 2545.126225][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.126225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.126225][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.126225][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.126225][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.126225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.126225][ T72] [ 2545.128535][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2545.128535][ T72] netdev_get_by_index+0x5e/0x80 [ 2545.128535][ T72] fib6_nh_init+0x3d8/0x1580 [ 2545.128535][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2545.128535][ T72] ip6_route_add+0x1c/0x140 [ 2545.128535][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2545.128535][ T72] addrconf_add_dev+0xe2/0x170 [ 2545.128535][ T72] inet6_addr_add+0x12f/0xa40 [ 2545.128535][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2545.128535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.128535][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.128535][ T72] netlink_unicast+0x449/0x710 [ 2545.128535][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.128535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.128535][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.128535][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.128535][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.128535][ T72] [ 2545.130718][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2545.130718][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2545.130718][ T72] ipv6_find_idev+0x102/0x170 [ 2545.130718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2545.130718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.130718][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.130718][ T72] netlink_unicast+0x449/0x710 [ 2545.130718][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.130718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.130718][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.130718][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.130718][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.130718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.130718][ T72] [ 2545.132365][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2545.132365][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2545.132365][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2545.132365][ T72] ipv6_find_idev+0x102/0x170 [ 2545.132365][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2545.132365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2545.132365][ T72] netlink_rcv_skb+0x130/0x360 [ 2545.132365][ T72] netlink_unicast+0x449/0x710 [ 2545.132365][ T72] netlink_sendmsg+0x723/0xbe0 [ 2545.132365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2545.132365][ T72] ___sys_sendmsg+0xee/0x170 [ 2545.132365][ T72] __sys_sendmsg+0xcd/0x170 [ 2545.132365][ T72] do_syscall_64+0xc6/0x1e0 [ 2545.132365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2545.132365][ T72] [ 2555.201026][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2555.201588][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2555.201588][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2555.201588][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2555.201588][ T72] fib6_nh_init+0xa22/0x1580 [ 2555.201588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.201588][ T72] ip6_route_add+0x1c/0x140 [ 2555.201588][ T72] inet6_rtm_newroute+0x104/0x110 [ 2555.201588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.201588][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.201588][ T72] netlink_unicast+0x449/0x710 [ 2555.201588][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.201588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.201588][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.201588][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.201588][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.201588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.201588][ T72] [ 2555.203439][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2555.203439][ T72] dst_init+0x84/0x4a0 [ 2555.203439][ T72] dst_alloc+0x97/0x150 [ 2555.203439][ T72] ip6_dst_alloc+0x23/0x90 [ 2555.203439][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2555.203439][ T72] ip6_pol_route+0x56f/0x840 [ 2555.203439][ T72] fib6_rule_lookup+0x456/0x630 [ 2555.203439][ T72] ip6_route_input+0x59c/0xa50 [ 2555.203439][ T72] ipv6_rcv+0x397/0x810 [ 2555.203439][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2555.203439][ T72] process_backlog+0x101/0x620 [ 2555.203439][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2555.203439][ T72] net_rx_action+0x495/0xbe0 [ 2555.203439][ T72] __do_softirq+0x1b5/0x7f6 [ 2555.203439][ T72] [ 2555.205028][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2555.205028][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.205028][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.205028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.205028][ T72] ip6_route_add+0x1c/0x140 [ 2555.205028][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2555.205028][ T72] inet6_addr_add+0x4f8/0xa40 [ 2555.205028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.205028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.205028][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.205028][ T72] netlink_unicast+0x449/0x710 [ 2555.205028][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.205028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.205028][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.205028][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.205028][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.205028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.205028][ T72] [ 2555.206987][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2555.206987][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.206987][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.206987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.206987][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2555.206987][ T72] ipv6_add_addr+0x411/0x2000 [ 2555.206987][ T72] inet6_addr_add+0x30e/0xa40 [ 2555.206987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.206987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.206987][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.206987][ T72] netlink_unicast+0x449/0x710 [ 2555.206987][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.206987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.206987][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.206987][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.206987][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.206987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.206987][ T72] [ 2555.208973][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2555.208973][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.208973][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.208973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.208973][ T72] ip6_route_add+0x1c/0x140 [ 2555.208973][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2555.208973][ T72] addrconf_add_dev+0xe2/0x170 [ 2555.208973][ T72] inet6_addr_add+0x12f/0xa40 [ 2555.208973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.208973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.208973][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.208973][ T72] netlink_unicast+0x449/0x710 [ 2555.208973][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.208973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.208973][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.208973][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.208973][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.208973][ T72] [ 2555.210865][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2555.210865][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2555.210865][ T72] ipv6_find_idev+0x102/0x170 [ 2555.210865][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2555.210865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.210865][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.210865][ T72] netlink_unicast+0x449/0x710 [ 2555.210865][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.210865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.210865][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.210865][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.210865][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.210865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.210865][ T72] [ 2555.212352][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2555.212352][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2555.212352][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2555.212352][ T72] ipv6_find_idev+0x102/0x170 [ 2555.212352][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2555.212352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.212352][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.212352][ T72] netlink_unicast+0x449/0x710 [ 2555.212352][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.212352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.212352][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.212352][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.212352][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.212352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.212352][ T72] [ 2555.214028][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2555.214322][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2555.214322][ T72] dst_init+0x84/0x4a0 [ 2555.214322][ T72] dst_alloc+0x97/0x150 [ 2555.214322][ T72] ip6_dst_alloc+0x23/0x90 [ 2555.214322][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2555.214322][ T72] ip6_pol_route+0x56f/0x840 [ 2555.214322][ T72] fib6_rule_lookup+0x456/0x630 [ 2555.214322][ T72] ip6_route_input+0x59c/0xa50 [ 2555.214322][ T72] ipv6_rcv+0x397/0x810 [ 2555.214322][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2555.214322][ T72] process_backlog+0x101/0x620 [ 2555.214322][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2555.214322][ T72] net_rx_action+0x495/0xbe0 [ 2555.214322][ T72] __do_softirq+0x1b5/0x7f6 [ 2555.214322][ T72] [ 2555.215960][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2555.215960][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.215960][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.215960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.215960][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2555.215960][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2555.215960][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2555.215960][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2555.215960][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2555.215960][ T72] addrconf_dad_begin+0x310/0x670 [ 2555.215960][ T72] addrconf_dad_work+0x10b/0xab0 [ 2555.215960][ T72] process_one_work+0x84d/0x18a0 [ 2555.215960][ T72] worker_thread+0x587/0xd30 [ 2555.215960][ T72] kthread+0x28a/0x350 [ 2555.215960][ T72] ret_from_fork+0x31/0x70 [ 2555.215960][ T72] ret_from_fork_asm+0x1a/0x30 [ 2555.215960][ T72] [ 2555.217878][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2555.217878][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.217878][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.217878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.217878][ T72] ip6_route_add+0x1c/0x140 [ 2555.217878][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2555.217878][ T72] inet6_addr_add+0x4f8/0xa40 [ 2555.217878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.217878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.217878][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.217878][ T72] netlink_unicast+0x449/0x710 [ 2555.217878][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.217878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.217878][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.217878][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.217878][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.217878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.217878][ T72] [ 2555.219863][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2555.219863][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.219863][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.219863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.219863][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2555.219863][ T72] ipv6_add_addr+0x411/0x2000 [ 2555.219863][ T72] inet6_addr_add+0x30e/0xa40 [ 2555.219863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.219863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.219863][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.219863][ T72] netlink_unicast+0x449/0x710 [ 2555.219863][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.219863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.219863][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.219863][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.219863][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.219863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.219863][ T72] [ 2555.221829][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2555.221829][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.221829][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.221829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.221829][ T72] ip6_route_add+0x1c/0x140 [ 2555.221829][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2555.221829][ T72] addrconf_add_dev+0xe2/0x170 [ 2555.221829][ T72] inet6_addr_add+0x12f/0xa40 [ 2555.221829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.221829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.221829][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.221829][ T72] netlink_unicast+0x449/0x710 [ 2555.221829][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.221829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.221829][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.221829][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.221829][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.221829][ T72] [ 2555.223793][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2555.223793][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2555.223793][ T72] ipv6_find_idev+0x102/0x170 [ 2555.223793][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2555.223793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.223793][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.223793][ T72] netlink_unicast+0x449/0x710 [ 2555.223793][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.223793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.223793][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.223793][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.223793][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.223793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.223793][ T72] [ 2555.225307][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2555.225307][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2555.225307][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2555.225307][ T72] ipv6_find_idev+0x102/0x170 [ 2555.225307][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2555.225307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.225307][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.225307][ T72] netlink_unicast+0x449/0x710 [ 2555.225307][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.225307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.225307][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.225307][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.225307][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.225307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.225307][ T72] [ 2555.227057][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2555.227404][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2555.227404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2555.227404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2555.227404][ T72] fib6_nh_init+0xa22/0x1580 [ 2555.227404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.227404][ T72] ip6_route_add+0x1c/0x140 [ 2555.227404][ T72] inet6_rtm_newroute+0x104/0x110 [ 2555.227404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.227404][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.227404][ T72] netlink_unicast+0x449/0x710 [ 2555.227404][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.227404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.227404][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.227404][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.227404][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.227404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.227404][ T72] [ 2555.229498][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2555.229498][ T72] dst_init+0x84/0x4a0 [ 2555.229498][ T72] dst_alloc+0x97/0x150 [ 2555.229498][ T72] ip6_dst_alloc+0x23/0x90 [ 2555.229498][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2555.229498][ T72] ip6_pol_route+0x56f/0x840 [ 2555.229498][ T72] fib6_rule_lookup+0x456/0x630 [ 2555.229498][ T72] ip6_route_input+0x59c/0xa50 [ 2555.229498][ T72] ipv6_rcv+0x397/0x810 [ 2555.229498][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2555.229498][ T72] process_backlog+0x101/0x620 [ 2555.229498][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2555.229498][ T72] net_rx_action+0x495/0xbe0 [ 2555.229498][ T72] __do_softirq+0x1b5/0x7f6 [ 2555.229498][ T72] [ 2555.231295][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2555.231295][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.231295][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.231295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.231295][ T72] ip6_route_add+0x1c/0x140 [ 2555.231295][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2555.231295][ T72] inet6_addr_add+0x4f8/0xa40 [ 2555.231295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.231295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.231295][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.231295][ T72] netlink_unicast+0x449/0x710 [ 2555.231295][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.231295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.231295][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.231295][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.231295][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.231295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.231295][ T72] [ 2555.233510][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2555.233510][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.233510][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.233510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.233510][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2555.233510][ T72] ipv6_add_addr+0x411/0x2000 [ 2555.233510][ T72] inet6_addr_add+0x30e/0xa40 [ 2555.233510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.233510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.233510][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.233510][ T72] netlink_unicast+0x449/0x710 [ 2555.233510][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.233510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.233510][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.233510][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.233510][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.233510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.233510][ T72] [ 2555.235677][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2555.235677][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.235677][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.235677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.235677][ T72] ip6_route_add+0x1c/0x140 [ 2555.235677][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2555.235677][ T72] addrconf_add_dev+0xe2/0x170 [ 2555.235677][ T72] inet6_addr_add+0x12f/0xa40 [ 2555.235677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.235677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.235677][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.235677][ T72] netlink_unicast+0x449/0x710 [ 2555.235677][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.235677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.235677][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.235677][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.235677][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.235677][ T72] [ 2555.237943][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2555.237943][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2555.237943][ T72] ipv6_find_idev+0x102/0x170 [ 2555.237943][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2555.237943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.237943][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.237943][ T72] netlink_unicast+0x449/0x710 [ 2555.237943][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.237943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.237943][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.237943][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.237943][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.237943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.237943][ T72] [ 2555.239647][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2555.239647][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2555.239647][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2555.239647][ T72] ipv6_find_idev+0x102/0x170 [ 2555.239647][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2555.239647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.239647][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.239647][ T72] netlink_unicast+0x449/0x710 [ 2555.239647][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.239647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.239647][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.239647][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.239647][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.239647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.239647][ T72] [ 2555.241486][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2555.241783][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2555.241783][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.241783][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.241783][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.241783][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2555.241783][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2555.241783][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2555.241783][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2555.241783][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2555.241783][ T72] addrconf_dad_begin+0x310/0x670 [ 2555.241783][ T72] addrconf_dad_work+0x10b/0xab0 [ 2555.241783][ T72] process_one_work+0x84d/0x18a0 [ 2555.241783][ T72] worker_thread+0x587/0xd30 [ 2555.241783][ T72] kthread+0x28a/0x350 [ 2555.241783][ T72] ret_from_fork+0x31/0x70 [ 2555.241783][ T72] ret_from_fork_asm+0x1a/0x30 [ 2555.241783][ T72] [ 2555.243929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2555.243929][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.243929][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.243929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.243929][ T72] ip6_route_add+0x1c/0x140 [ 2555.243929][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2555.243929][ T72] inet6_addr_add+0x4f8/0xa40 [ 2555.243929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.243929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.243929][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.243929][ T72] netlink_unicast+0x449/0x710 [ 2555.243929][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.243929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.243929][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.243929][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.243929][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.243929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.243929][ T72] [ 2555.246156][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2555.246156][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.246156][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.246156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.246156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2555.246156][ T72] ipv6_add_addr+0x411/0x2000 [ 2555.246156][ T72] inet6_addr_add+0x30e/0xa40 [ 2555.246156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.246156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.246156][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.246156][ T72] netlink_unicast+0x449/0x710 [ 2555.246156][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.246156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.246156][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.246156][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.246156][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.246156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.246156][ T72] [ 2555.248444][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2555.248444][ T72] netdev_get_by_index+0x5e/0x80 [ 2555.248444][ T72] fib6_nh_init+0x3d8/0x1580 [ 2555.248444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2555.248444][ T72] ip6_route_add+0x1c/0x140 [ 2555.248444][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2555.248444][ T72] addrconf_add_dev+0xe2/0x170 [ 2555.248444][ T72] inet6_addr_add+0x12f/0xa40 [ 2555.248444][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2555.248444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.248444][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.248444][ T72] netlink_unicast+0x449/0x710 [ 2555.248444][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.248444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.248444][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.248444][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.248444][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.248444][ T72] [ 2555.251151][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2555.251151][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2555.251151][ T72] ipv6_find_idev+0x102/0x170 [ 2555.251151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2555.251151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.251151][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.251151][ T72] netlink_unicast+0x449/0x710 [ 2555.251151][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.251151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.251151][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.251151][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.251151][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.251151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.251151][ T72] [ 2555.252821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2555.252821][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2555.252821][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2555.252821][ T72] ipv6_find_idev+0x102/0x170 [ 2555.252821][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2555.252821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2555.252821][ T72] netlink_rcv_skb+0x130/0x360 [ 2555.252821][ T72] netlink_unicast+0x449/0x710 [ 2555.252821][ T72] netlink_sendmsg+0x723/0xbe0 [ 2555.252821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2555.252821][ T72] ___sys_sendmsg+0xee/0x170 [ 2555.252821][ T72] __sys_sendmsg+0xcd/0x170 [ 2555.252821][ T72] do_syscall_64+0xc6/0x1e0 [ 2555.252821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2555.252821][ T72] [ 2565.401020][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2565.401533][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2565.401533][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2565.401533][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2565.401533][ T72] fib6_nh_init+0xa22/0x1580 [ 2565.401533][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.401533][ T72] ip6_route_add+0x1c/0x140 [ 2565.401533][ T72] inet6_rtm_newroute+0x104/0x110 [ 2565.401533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.401533][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.401533][ T72] netlink_unicast+0x449/0x710 [ 2565.401533][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.401533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.401533][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.401533][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.401533][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.401533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.401533][ T72] [ 2565.403418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2565.403418][ T72] dst_init+0x84/0x4a0 [ 2565.403418][ T72] dst_alloc+0x97/0x150 [ 2565.403418][ T72] ip6_dst_alloc+0x23/0x90 [ 2565.403418][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2565.403418][ T72] ip6_pol_route+0x56f/0x840 [ 2565.403418][ T72] fib6_rule_lookup+0x456/0x630 [ 2565.403418][ T72] ip6_route_input+0x59c/0xa50 [ 2565.403418][ T72] ipv6_rcv+0x397/0x810 [ 2565.403418][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2565.403418][ T72] process_backlog+0x101/0x620 [ 2565.403418][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2565.403418][ T72] net_rx_action+0x495/0xbe0 [ 2565.403418][ T72] __do_softirq+0x1b5/0x7f6 [ 2565.403418][ T72] [ 2565.405019][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2565.405019][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.405019][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.405019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.405019][ T72] ip6_route_add+0x1c/0x140 [ 2565.405019][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2565.405019][ T72] inet6_addr_add+0x4f8/0xa40 [ 2565.405019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.405019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.405019][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.405019][ T72] netlink_unicast+0x449/0x710 [ 2565.405019][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.405019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.405019][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.405019][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.405019][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.405019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.405019][ T72] [ 2565.406990][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2565.406990][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.406990][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.406990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.406990][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2565.406990][ T72] ipv6_add_addr+0x411/0x2000 [ 2565.406990][ T72] inet6_addr_add+0x30e/0xa40 [ 2565.406990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.406990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.406990][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.406990][ T72] netlink_unicast+0x449/0x710 [ 2565.406990][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.406990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.406990][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.406990][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.406990][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.406990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.406990][ T72] [ 2565.409029][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2565.409029][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.409029][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.409029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.409029][ T72] ip6_route_add+0x1c/0x140 [ 2565.409029][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2565.409029][ T72] addrconf_add_dev+0xe2/0x170 [ 2565.409029][ T72] inet6_addr_add+0x12f/0xa40 [ 2565.409029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.409029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.409029][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.409029][ T72] netlink_unicast+0x449/0x710 [ 2565.409029][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.409029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.409029][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.409029][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.409029][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.409029][ T72] [ 2565.410948][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2565.410948][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2565.410948][ T72] ipv6_find_idev+0x102/0x170 [ 2565.410948][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2565.410948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.410948][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.410948][ T72] netlink_unicast+0x449/0x710 [ 2565.410948][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.410948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.410948][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.410948][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.410948][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.410948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.410948][ T72] [ 2565.412507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2565.412507][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2565.412507][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2565.412507][ T72] ipv6_find_idev+0x102/0x170 [ 2565.412507][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2565.412507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.412507][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.412507][ T72] netlink_unicast+0x449/0x710 [ 2565.412507][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.412507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.412507][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.412507][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.412507][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.412507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.412507][ T72] [ 2565.414234][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2565.414513][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2565.414513][ T72] dst_init+0x84/0x4a0 [ 2565.414513][ T72] dst_alloc+0x97/0x150 [ 2565.414513][ T72] ip6_dst_alloc+0x23/0x90 [ 2565.414513][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2565.414513][ T72] ip6_pol_route+0x56f/0x840 [ 2565.414513][ T72] fib6_rule_lookup+0x456/0x630 [ 2565.414513][ T72] ip6_route_input+0x59c/0xa50 [ 2565.414513][ T72] ipv6_rcv+0x397/0x810 [ 2565.414513][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2565.414513][ T72] process_backlog+0x101/0x620 [ 2565.414513][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2565.414513][ T72] net_rx_action+0x495/0xbe0 [ 2565.414513][ T72] __do_softirq+0x1b5/0x7f6 [ 2565.414513][ T72] [ 2565.416162][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2565.416162][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.416162][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.416162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.416162][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2565.416162][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2565.416162][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2565.416162][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2565.416162][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2565.416162][ T72] addrconf_dad_begin+0x310/0x670 [ 2565.416162][ T72] addrconf_dad_work+0x10b/0xab0 [ 2565.416162][ T72] process_one_work+0x84d/0x18a0 [ 2565.416162][ T72] worker_thread+0x587/0xd30 [ 2565.416162][ T72] kthread+0x28a/0x350 [ 2565.416162][ T72] ret_from_fork+0x31/0x70 [ 2565.416162][ T72] ret_from_fork_asm+0x1a/0x30 [ 2565.416162][ T72] [ 2565.418097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2565.418097][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.418097][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.418097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.418097][ T72] ip6_route_add+0x1c/0x140 [ 2565.418097][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2565.418097][ T72] inet6_addr_add+0x4f8/0xa40 [ 2565.418097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.418097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.418097][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.418097][ T72] netlink_unicast+0x449/0x710 [ 2565.418097][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.418097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.418097][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.418097][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.418097][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.418097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.418097][ T72] [ 2565.420093][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2565.420093][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.420093][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.420093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.420093][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2565.420093][ T72] ipv6_add_addr+0x411/0x2000 [ 2565.420093][ T72] inet6_addr_add+0x30e/0xa40 [ 2565.420093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.420093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.420093][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.420093][ T72] netlink_unicast+0x449/0x710 [ 2565.420093][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.420093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.420093][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.420093][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.420093][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.420093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.420093][ T72] [ 2565.422091][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2565.422091][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.422091][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.422091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.422091][ T72] ip6_route_add+0x1c/0x140 [ 2565.422091][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2565.422091][ T72] addrconf_add_dev+0xe2/0x170 [ 2565.422091][ T72] inet6_addr_add+0x12f/0xa40 [ 2565.422091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.422091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.422091][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.422091][ T72] netlink_unicast+0x449/0x710 [ 2565.422091][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.422091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.422091][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.422091][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.422091][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.422091][ T72] [ 2565.424023][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2565.424023][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2565.424023][ T72] ipv6_find_idev+0x102/0x170 [ 2565.424023][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2565.424023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.424023][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.424023][ T72] netlink_unicast+0x449/0x710 [ 2565.424023][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.424023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.424023][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.424023][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.424023][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.424023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.424023][ T72] [ 2565.425525][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2565.425525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2565.425525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2565.425525][ T72] ipv6_find_idev+0x102/0x170 [ 2565.425525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2565.425525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.425525][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.425525][ T72] netlink_unicast+0x449/0x710 [ 2565.425525][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.425525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.425525][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.425525][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.425525][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.425525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.425525][ T72] [ 2565.427333][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2565.427611][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2565.427611][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2565.427611][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2565.427611][ T72] fib6_nh_init+0xa22/0x1580 [ 2565.427611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.427611][ T72] ip6_route_add+0x1c/0x140 [ 2565.427611][ T72] inet6_rtm_newroute+0x104/0x110 [ 2565.427611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.427611][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.427611][ T72] netlink_unicast+0x449/0x710 [ 2565.427611][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.427611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.427611][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.427611][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.427611][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.427611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.427611][ T72] [ 2565.429778][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2565.429778][ T72] dst_init+0x84/0x4a0 [ 2565.429778][ T72] dst_alloc+0x97/0x150 [ 2565.429778][ T72] ip6_dst_alloc+0x23/0x90 [ 2565.429778][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2565.429778][ T72] ip6_pol_route+0x56f/0x840 [ 2565.429778][ T72] fib6_rule_lookup+0x456/0x630 [ 2565.429778][ T72] ip6_route_input+0x59c/0xa50 [ 2565.429778][ T72] ipv6_rcv+0x397/0x810 [ 2565.429778][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2565.429778][ T72] process_backlog+0x101/0x620 [ 2565.429778][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2565.429778][ T72] net_rx_action+0x495/0xbe0 [ 2565.429778][ T72] __do_softirq+0x1b5/0x7f6 [ 2565.429778][ T72] [ 2565.431586][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2565.431586][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.431586][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.431586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.431586][ T72] ip6_route_add+0x1c/0x140 [ 2565.431586][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2565.431586][ T72] inet6_addr_add+0x4f8/0xa40 [ 2565.431586][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.431586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.431586][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.431586][ T72] netlink_unicast+0x449/0x710 [ 2565.431586][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.431586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.431586][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.431586][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.431586][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.431586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.431586][ T72] [ 2565.433799][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2565.433799][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.433799][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.433799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.433799][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2565.433799][ T72] ipv6_add_addr+0x411/0x2000 [ 2565.433799][ T72] inet6_addr_add+0x30e/0xa40 [ 2565.433799][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.433799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.433799][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.433799][ T72] netlink_unicast+0x449/0x710 [ 2565.433799][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.433799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.433799][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.433799][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.433799][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.433799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.433799][ T72] [ 2565.435954][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2565.435954][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.435954][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.435954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.435954][ T72] ip6_route_add+0x1c/0x140 [ 2565.435954][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2565.435954][ T72] addrconf_add_dev+0xe2/0x170 [ 2565.435954][ T72] inet6_addr_add+0x12f/0xa40 [ 2565.435954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.435954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.435954][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.435954][ T72] netlink_unicast+0x449/0x710 [ 2565.435954][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.435954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.435954][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.435954][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.435954][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.435954][ T72] [ 2565.438225][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2565.438225][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2565.438225][ T72] ipv6_find_idev+0x102/0x170 [ 2565.438225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2565.438225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.438225][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.438225][ T72] netlink_unicast+0x449/0x710 [ 2565.438225][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.438225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.438225][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.438225][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.438225][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.438225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.438225][ T72] [ 2565.439974][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2565.439974][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2565.439974][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2565.439974][ T72] ipv6_find_idev+0x102/0x170 [ 2565.439974][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2565.439974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.439974][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.439974][ T72] netlink_unicast+0x449/0x710 [ 2565.439974][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.439974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.439974][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.439974][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.439974][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.439974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.439974][ T72] [ 2565.441857][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2565.442198][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2565.442198][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.442198][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.442198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.442198][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2565.442198][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2565.442198][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2565.442198][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2565.442198][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2565.442198][ T72] addrconf_dad_begin+0x310/0x670 [ 2565.442198][ T72] addrconf_dad_work+0x10b/0xab0 [ 2565.442198][ T72] process_one_work+0x84d/0x18a0 [ 2565.442198][ T72] worker_thread+0x587/0xd30 [ 2565.442198][ T72] kthread+0x28a/0x350 [ 2565.442198][ T72] ret_from_fork+0x31/0x70 [ 2565.442198][ T72] ret_from_fork_asm+0x1a/0x30 [ 2565.442198][ T72] [ 2565.444269][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2565.444269][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.444269][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.444269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.444269][ T72] ip6_route_add+0x1c/0x140 [ 2565.444269][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2565.444269][ T72] inet6_addr_add+0x4f8/0xa40 [ 2565.444269][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.444269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.444269][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.444269][ T72] netlink_unicast+0x449/0x710 [ 2565.444269][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.444269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.444269][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.444269][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.444269][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.444269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.444269][ T72] [ 2565.446527][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2565.446527][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.446527][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.446527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.446527][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2565.446527][ T72] ipv6_add_addr+0x411/0x2000 [ 2565.446527][ T72] inet6_addr_add+0x30e/0xa40 [ 2565.446527][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.446527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.446527][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.446527][ T72] netlink_unicast+0x449/0x710 [ 2565.446527][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.446527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.446527][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.446527][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.446527][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.446527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.446527][ T72] [ 2565.448832][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2565.448832][ T72] netdev_get_by_index+0x5e/0x80 [ 2565.448832][ T72] fib6_nh_init+0x3d8/0x1580 [ 2565.448832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2565.448832][ T72] ip6_route_add+0x1c/0x140 [ 2565.448832][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2565.448832][ T72] addrconf_add_dev+0xe2/0x170 [ 2565.448832][ T72] inet6_addr_add+0x12f/0xa40 [ 2565.448832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2565.448832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.448832][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.448832][ T72] netlink_unicast+0x449/0x710 [ 2565.448832][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.448832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.448832][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.448832][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.448832][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.448832][ T72] [ 2565.450941][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2565.450941][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2565.450941][ T72] ipv6_find_idev+0x102/0x170 [ 2565.450941][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2565.450941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.450941][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.450941][ T72] netlink_unicast+0x449/0x710 [ 2565.450941][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.450941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.450941][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.450941][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.450941][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.450941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.450941][ T72] [ 2565.452624][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2565.452624][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2565.452624][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2565.452624][ T72] ipv6_find_idev+0x102/0x170 [ 2565.452624][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2565.452624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2565.452624][ T72] netlink_rcv_skb+0x130/0x360 [ 2565.452624][ T72] netlink_unicast+0x449/0x710 [ 2565.452624][ T72] netlink_sendmsg+0x723/0xbe0 [ 2565.452624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2565.452624][ T72] ___sys_sendmsg+0xee/0x170 [ 2565.452624][ T72] __sys_sendmsg+0xcd/0x170 [ 2565.452624][ T72] do_syscall_64+0xc6/0x1e0 [ 2565.452624][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2565.452624][ T72] [ 2575.608911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2575.609428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2575.609428][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2575.609428][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2575.609428][ T72] fib6_nh_init+0xa22/0x1580 [ 2575.609428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.609428][ T72] ip6_route_add+0x1c/0x140 [ 2575.609428][ T72] inet6_rtm_newroute+0x104/0x110 [ 2575.609428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.609428][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.609428][ T72] netlink_unicast+0x449/0x710 [ 2575.609428][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.609428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.609428][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.609428][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.609428][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.609428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.609428][ T72] [ 2575.611350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2575.611350][ T72] dst_init+0x84/0x4a0 [ 2575.611350][ T72] dst_alloc+0x97/0x150 [ 2575.611350][ T72] ip6_dst_alloc+0x23/0x90 [ 2575.611350][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2575.611350][ T72] ip6_pol_route+0x56f/0x840 [ 2575.611350][ T72] fib6_rule_lookup+0x456/0x630 [ 2575.611350][ T72] ip6_route_input+0x59c/0xa50 [ 2575.611350][ T72] ipv6_rcv+0x397/0x810 [ 2575.611350][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2575.611350][ T72] process_backlog+0x101/0x620 [ 2575.611350][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2575.611350][ T72] net_rx_action+0x495/0xbe0 [ 2575.611350][ T72] __do_softirq+0x1b5/0x7f6 [ 2575.611350][ T72] [ 2575.613001][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2575.613001][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.613001][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.613001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.613001][ T72] ip6_route_add+0x1c/0x140 [ 2575.613001][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2575.613001][ T72] inet6_addr_add+0x4f8/0xa40 [ 2575.613001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.613001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.613001][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.613001][ T72] netlink_unicast+0x449/0x710 [ 2575.613001][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.613001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.613001][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.613001][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.613001][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.613001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.613001][ T72] [ 2575.615009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2575.615009][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.615009][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.615009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.615009][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2575.615009][ T72] ipv6_add_addr+0x411/0x2000 [ 2575.615009][ T72] inet6_addr_add+0x30e/0xa40 [ 2575.615009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.615009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.615009][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.615009][ T72] netlink_unicast+0x449/0x710 [ 2575.615009][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.615009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.615009][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.615009][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.615009][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.615009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.615009][ T72] [ 2575.617029][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2575.617029][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.617029][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.617029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.617029][ T72] ip6_route_add+0x1c/0x140 [ 2575.617029][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2575.617029][ T72] addrconf_add_dev+0xe2/0x170 [ 2575.617029][ T72] inet6_addr_add+0x12f/0xa40 [ 2575.617029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.617029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.617029][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.617029][ T72] netlink_unicast+0x449/0x710 [ 2575.617029][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.617029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.617029][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.617029][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.617029][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.617029][ T72] [ 2575.619005][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2575.619005][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2575.619005][ T72] ipv6_find_idev+0x102/0x170 [ 2575.619005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.619005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.619005][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.619005][ T72] netlink_unicast+0x449/0x710 [ 2575.619005][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.619005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.619005][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.619005][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.619005][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.619005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.619005][ T72] [ 2575.620565][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2575.620565][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2575.620565][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2575.620565][ T72] ipv6_find_idev+0x102/0x170 [ 2575.620565][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.620565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.620565][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.620565][ T72] netlink_unicast+0x449/0x710 [ 2575.620565][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.620565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.620565][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.620565][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.620565][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.620565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.620565][ T72] [ 2575.622272][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2575.622550][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2575.622550][ T72] dst_init+0x84/0x4a0 [ 2575.622550][ T72] dst_alloc+0x97/0x150 [ 2575.622550][ T72] ip6_dst_alloc+0x23/0x90 [ 2575.622550][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2575.622550][ T72] ip6_pol_route+0x56f/0x840 [ 2575.622550][ T72] fib6_rule_lookup+0x456/0x630 [ 2575.622550][ T72] ip6_route_input+0x59c/0xa50 [ 2575.622550][ T72] ipv6_rcv+0x397/0x810 [ 2575.622550][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2575.622550][ T72] process_backlog+0x101/0x620 [ 2575.622550][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2575.622550][ T72] net_rx_action+0x495/0xbe0 [ 2575.622550][ T72] __do_softirq+0x1b5/0x7f6 [ 2575.622550][ T72] [ 2575.624200][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2575.624200][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.624200][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.624200][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.624200][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2575.624200][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2575.624200][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2575.624200][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2575.624200][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2575.624200][ T72] addrconf_dad_begin+0x310/0x670 [ 2575.624200][ T72] addrconf_dad_work+0x10b/0xab0 [ 2575.624200][ T72] process_one_work+0x84d/0x18a0 [ 2575.624200][ T72] worker_thread+0x587/0xd30 [ 2575.624200][ T72] kthread+0x28a/0x350 [ 2575.624200][ T72] ret_from_fork+0x31/0x70 [ 2575.624200][ T72] ret_from_fork_asm+0x1a/0x30 [ 2575.624200][ T72] [ 2575.626120][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2575.626120][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.626120][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.626120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.626120][ T72] ip6_route_add+0x1c/0x140 [ 2575.626120][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2575.626120][ T72] inet6_addr_add+0x4f8/0xa40 [ 2575.626120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.626120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.626120][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.626120][ T72] netlink_unicast+0x449/0x710 [ 2575.626120][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.626120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.626120][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.626120][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.626120][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.626120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.626120][ T72] [ 2575.628101][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2575.628101][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.628101][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.628101][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.628101][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2575.628101][ T72] ipv6_add_addr+0x411/0x2000 [ 2575.628101][ T72] inet6_addr_add+0x30e/0xa40 [ 2575.628101][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.628101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.628101][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.628101][ T72] netlink_unicast+0x449/0x710 [ 2575.628101][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.628101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.628101][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.628101][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.628101][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.628101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.628101][ T72] [ 2575.630138][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2575.630138][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.630138][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.630138][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.630138][ T72] ip6_route_add+0x1c/0x140 [ 2575.630138][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2575.630138][ T72] addrconf_add_dev+0xe2/0x170 [ 2575.630138][ T72] inet6_addr_add+0x12f/0xa40 [ 2575.630138][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.630138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.630138][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.630138][ T72] netlink_unicast+0x449/0x710 [ 2575.630138][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.630138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.630138][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.630138][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.630138][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.630138][ T72] [ 2575.632110][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2575.632110][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2575.632110][ T72] ipv6_find_idev+0x102/0x170 [ 2575.632110][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.632110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.632110][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.632110][ T72] netlink_unicast+0x449/0x710 [ 2575.632110][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.632110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.632110][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.632110][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.632110][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.632110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.632110][ T72] [ 2575.633691][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2575.633691][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2575.633691][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2575.633691][ T72] ipv6_find_idev+0x102/0x170 [ 2575.633691][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.633691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.633691][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.633691][ T72] netlink_unicast+0x449/0x710 [ 2575.633691][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.633691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.633691][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.633691][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.633691][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.633691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.633691][ T72] [ 2575.635463][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2575.635743][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2575.635743][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2575.635743][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2575.635743][ T72] fib6_nh_init+0xa22/0x1580 [ 2575.635743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.635743][ T72] ip6_route_add+0x1c/0x140 [ 2575.635743][ T72] inet6_rtm_newroute+0x104/0x110 [ 2575.635743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.635743][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.635743][ T72] netlink_unicast+0x449/0x710 [ 2575.635743][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.635743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.635743][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.635743][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.635743][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.635743][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.635743][ T72] [ 2575.637925][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2575.637925][ T72] dst_init+0x84/0x4a0 [ 2575.637925][ T72] dst_alloc+0x97/0x150 [ 2575.637925][ T72] ip6_dst_alloc+0x23/0x90 [ 2575.637925][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2575.637925][ T72] ip6_pol_route+0x56f/0x840 [ 2575.637925][ T72] fib6_rule_lookup+0x456/0x630 [ 2575.637925][ T72] ip6_route_input+0x59c/0xa50 [ 2575.637925][ T72] ipv6_rcv+0x397/0x810 [ 2575.637925][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2575.637925][ T72] process_backlog+0x101/0x620 [ 2575.637925][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2575.637925][ T72] net_rx_action+0x495/0xbe0 [ 2575.637925][ T72] __do_softirq+0x1b5/0x7f6 [ 2575.637925][ T72] [ 2575.639753][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2575.639753][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.639753][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.639753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.639753][ T72] ip6_route_add+0x1c/0x140 [ 2575.639753][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2575.639753][ T72] inet6_addr_add+0x4f8/0xa40 [ 2575.639753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.639753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.639753][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.639753][ T72] netlink_unicast+0x449/0x710 [ 2575.639753][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.639753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.639753][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.639753][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.639753][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.639753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.639753][ T72] [ 2575.642003][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2575.642003][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.642003][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.642003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.642003][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2575.642003][ T72] ipv6_add_addr+0x411/0x2000 [ 2575.642003][ T72] inet6_addr_add+0x30e/0xa40 [ 2575.642003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.642003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.642003][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.642003][ T72] netlink_unicast+0x449/0x710 [ 2575.642003][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.642003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.642003][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.642003][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.642003][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.642003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.642003][ T72] [ 2575.644209][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2575.644209][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.644209][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.644209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.644209][ T72] ip6_route_add+0x1c/0x140 [ 2575.644209][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2575.644209][ T72] addrconf_add_dev+0xe2/0x170 [ 2575.644209][ T72] inet6_addr_add+0x12f/0xa40 [ 2575.644209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.644209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.644209][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.644209][ T72] netlink_unicast+0x449/0x710 [ 2575.644209][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.644209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.644209][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.644209][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.644209][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.644209][ T72] [ 2575.646481][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2575.646481][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2575.646481][ T72] ipv6_find_idev+0x102/0x170 [ 2575.646481][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.646481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.646481][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.646481][ T72] netlink_unicast+0x449/0x710 [ 2575.646481][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.646481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.646481][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.646481][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.646481][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.646481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.646481][ T72] [ 2575.648216][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2575.648216][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2575.648216][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2575.648216][ T72] ipv6_find_idev+0x102/0x170 [ 2575.648216][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.648216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.648216][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.648216][ T72] netlink_unicast+0x449/0x710 [ 2575.648216][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.648216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.648216][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.648216][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.648216][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.648216][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.648216][ T72] [ 2575.650087][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2575.650433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2575.650433][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.650433][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.650433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.650433][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2575.650433][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2575.650433][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2575.650433][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2575.650433][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2575.650433][ T72] addrconf_dad_begin+0x310/0x670 [ 2575.650433][ T72] addrconf_dad_work+0x10b/0xab0 [ 2575.650433][ T72] process_one_work+0x84d/0x18a0 [ 2575.650433][ T72] worker_thread+0x587/0xd30 [ 2575.650433][ T72] kthread+0x28a/0x350 [ 2575.650433][ T72] ret_from_fork+0x31/0x70 [ 2575.650433][ T72] ret_from_fork_asm+0x1a/0x30 [ 2575.650433][ T72] [ 2575.652484][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2575.652484][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.652484][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.652484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.652484][ T72] ip6_route_add+0x1c/0x140 [ 2575.652484][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2575.652484][ T72] inet6_addr_add+0x4f8/0xa40 [ 2575.652484][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.652484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.652484][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.652484][ T72] netlink_unicast+0x449/0x710 [ 2575.652484][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.652484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.652484][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.652484][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.652484][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.652484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.652484][ T72] [ 2575.654707][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2575.654707][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.654707][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.654707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.654707][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2575.654707][ T72] ipv6_add_addr+0x411/0x2000 [ 2575.654707][ T72] inet6_addr_add+0x30e/0xa40 [ 2575.654707][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.654707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.654707][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.654707][ T72] netlink_unicast+0x449/0x710 [ 2575.654707][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.654707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.654707][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.654707][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.654707][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.654707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.654707][ T72] [ 2575.657554][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2575.657554][ T72] netdev_get_by_index+0x5e/0x80 [ 2575.657554][ T72] fib6_nh_init+0x3d8/0x1580 [ 2575.657554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2575.657554][ T72] ip6_route_add+0x1c/0x140 [ 2575.657554][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2575.657554][ T72] addrconf_add_dev+0xe2/0x170 [ 2575.657554][ T72] inet6_addr_add+0x12f/0xa40 [ 2575.657554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.657554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.657554][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.657554][ T72] netlink_unicast+0x449/0x710 [ 2575.657554][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.657554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.657554][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.657554][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.657554][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.657554][ T72] [ 2575.659744][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2575.659744][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2575.659744][ T72] ipv6_find_idev+0x102/0x170 [ 2575.659744][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.659744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.659744][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.659744][ T72] netlink_unicast+0x449/0x710 [ 2575.659744][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.659744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.659744][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.659744][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.659744][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.659744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.659744][ T72] [ 2575.661422][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2575.661422][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2575.661422][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2575.661422][ T72] ipv6_find_idev+0x102/0x170 [ 2575.661422][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.661422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.661422][ T72] netlink_rcv_skb+0x130/0x360 [ 2575.661422][ T72] netlink_unicast+0x449/0x710 [ 2575.661422][ T72] netlink_sendmsg+0x723/0xbe0 [ 2575.661422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2575.661422][ T72] ___sys_sendmsg+0xee/0x170 [ 2575.661422][ T72] __sys_sendmsg+0xcd/0x170 [ 2575.661422][ T72] do_syscall_64+0xc6/0x1e0 [ 2575.661422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.661422][ T72] [ 2585.800998][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2585.801519][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2585.801519][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2585.801519][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2585.801519][ T72] fib6_nh_init+0xa22/0x1580 [ 2585.801519][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.801519][ T72] ip6_route_add+0x1c/0x140 [ 2585.801519][ T72] inet6_rtm_newroute+0x104/0x110 [ 2585.801519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.801519][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.801519][ T72] netlink_unicast+0x449/0x710 [ 2585.801519][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.801519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.801519][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.801519][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.801519][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.801519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.801519][ T72] [ 2585.803426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2585.803426][ T72] dst_init+0x84/0x4a0 [ 2585.803426][ T72] dst_alloc+0x97/0x150 [ 2585.803426][ T72] ip6_dst_alloc+0x23/0x90 [ 2585.803426][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2585.803426][ T72] ip6_pol_route+0x56f/0x840 [ 2585.803426][ T72] fib6_rule_lookup+0x456/0x630 [ 2585.803426][ T72] ip6_route_input+0x59c/0xa50 [ 2585.803426][ T72] ipv6_rcv+0x397/0x810 [ 2585.803426][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2585.803426][ T72] process_backlog+0x101/0x620 [ 2585.803426][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2585.803426][ T72] net_rx_action+0x495/0xbe0 [ 2585.803426][ T72] __do_softirq+0x1b5/0x7f6 [ 2585.803426][ T72] [ 2585.805082][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2585.805082][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.805082][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.805082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.805082][ T72] ip6_route_add+0x1c/0x140 [ 2585.805082][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2585.805082][ T72] inet6_addr_add+0x4f8/0xa40 [ 2585.805082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.805082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.805082][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.805082][ T72] netlink_unicast+0x449/0x710 [ 2585.805082][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.805082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.805082][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.805082][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.805082][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.805082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.805082][ T72] [ 2585.807110][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2585.807110][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.807110][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.807110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.807110][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2585.807110][ T72] ipv6_add_addr+0x411/0x2000 [ 2585.807110][ T72] inet6_addr_add+0x30e/0xa40 [ 2585.807110][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.807110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.807110][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.807110][ T72] netlink_unicast+0x449/0x710 [ 2585.807110][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.807110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.807110][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.807110][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.807110][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.807110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.807110][ T72] [ 2585.809135][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2585.809135][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.809135][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.809135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.809135][ T72] ip6_route_add+0x1c/0x140 [ 2585.809135][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2585.809135][ T72] addrconf_add_dev+0xe2/0x170 [ 2585.809135][ T72] inet6_addr_add+0x12f/0xa40 [ 2585.809135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.809135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.809135][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.809135][ T72] netlink_unicast+0x449/0x710 [ 2585.809135][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.809135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.809135][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.809135][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.809135][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.809135][ T72] [ 2585.811105][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2585.811105][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2585.811105][ T72] ipv6_find_idev+0x102/0x170 [ 2585.811105][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.811105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.811105][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.811105][ T72] netlink_unicast+0x449/0x710 [ 2585.811105][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.811105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.811105][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.811105][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.811105][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.811105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.811105][ T72] [ 2585.812650][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2585.812650][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2585.812650][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2585.812650][ T72] ipv6_find_idev+0x102/0x170 [ 2585.812650][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.812650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.812650][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.812650][ T72] netlink_unicast+0x449/0x710 [ 2585.812650][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.812650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.812650][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.812650][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.812650][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.812650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.812650][ T72] [ 2585.814362][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2585.814638][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2585.814638][ T72] dst_init+0x84/0x4a0 [ 2585.814638][ T72] dst_alloc+0x97/0x150 [ 2585.814638][ T72] ip6_dst_alloc+0x23/0x90 [ 2585.814638][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2585.814638][ T72] ip6_pol_route+0x56f/0x840 [ 2585.814638][ T72] fib6_rule_lookup+0x456/0x630 [ 2585.814638][ T72] ip6_route_input+0x59c/0xa50 [ 2585.814638][ T72] ipv6_rcv+0x397/0x810 [ 2585.814638][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2585.814638][ T72] process_backlog+0x101/0x620 [ 2585.814638][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2585.814638][ T72] net_rx_action+0x495/0xbe0 [ 2585.814638][ T72] __do_softirq+0x1b5/0x7f6 [ 2585.814638][ T72] [ 2585.816299][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2585.816299][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.816299][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.816299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.816299][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2585.816299][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2585.816299][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2585.816299][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2585.816299][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2585.816299][ T72] addrconf_dad_begin+0x310/0x670 [ 2585.816299][ T72] addrconf_dad_work+0x10b/0xab0 [ 2585.816299][ T72] process_one_work+0x84d/0x18a0 [ 2585.816299][ T72] worker_thread+0x587/0xd30 [ 2585.816299][ T72] kthread+0x28a/0x350 [ 2585.816299][ T72] ret_from_fork+0x31/0x70 [ 2585.816299][ T72] ret_from_fork_asm+0x1a/0x30 [ 2585.816299][ T72] [ 2585.818206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2585.818206][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.818206][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.818206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.818206][ T72] ip6_route_add+0x1c/0x140 [ 2585.818206][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2585.818206][ T72] inet6_addr_add+0x4f8/0xa40 [ 2585.818206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.818206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.818206][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.818206][ T72] netlink_unicast+0x449/0x710 [ 2585.818206][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.818206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.818206][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.818206][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.818206][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.818206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.818206][ T72] [ 2585.820223][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2585.820223][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.820223][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.820223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.820223][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2585.820223][ T72] ipv6_add_addr+0x411/0x2000 [ 2585.820223][ T72] inet6_addr_add+0x30e/0xa40 [ 2585.820223][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.820223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.820223][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.820223][ T72] netlink_unicast+0x449/0x710 [ 2585.820223][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.820223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.820223][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.820223][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.820223][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.820223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.820223][ T72] [ 2585.822222][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2585.822222][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.822222][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.822222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.822222][ T72] ip6_route_add+0x1c/0x140 [ 2585.822222][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2585.822222][ T72] addrconf_add_dev+0xe2/0x170 [ 2585.822222][ T72] inet6_addr_add+0x12f/0xa40 [ 2585.822222][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.822222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.822222][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.822222][ T72] netlink_unicast+0x449/0x710 [ 2585.822222][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.822222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.822222][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.822222][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.822222][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.822222][ T72] [ 2585.824180][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2585.824180][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2585.824180][ T72] ipv6_find_idev+0x102/0x170 [ 2585.824180][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.824180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.824180][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.824180][ T72] netlink_unicast+0x449/0x710 [ 2585.824180][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.824180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.824180][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.824180][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.824180][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.824180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.824180][ T72] [ 2585.825722][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2585.825722][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2585.825722][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2585.825722][ T72] ipv6_find_idev+0x102/0x170 [ 2585.825722][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.825722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.825722][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.825722][ T72] netlink_unicast+0x449/0x710 [ 2585.825722][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.825722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.825722][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.825722][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.825722][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.825722][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.825722][ T72] [ 2585.827541][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2585.827816][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2585.827816][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2585.827816][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2585.827816][ T72] fib6_nh_init+0xa22/0x1580 [ 2585.827816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.827816][ T72] ip6_route_add+0x1c/0x140 [ 2585.827816][ T72] inet6_rtm_newroute+0x104/0x110 [ 2585.827816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.827816][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.827816][ T72] netlink_unicast+0x449/0x710 [ 2585.827816][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.827816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.827816][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.827816][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.827816][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.827816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.827816][ T72] [ 2585.829995][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2585.829995][ T72] dst_init+0x84/0x4a0 [ 2585.829995][ T72] dst_alloc+0x97/0x150 [ 2585.829995][ T72] ip6_dst_alloc+0x23/0x90 [ 2585.829995][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2585.829995][ T72] ip6_pol_route+0x56f/0x840 [ 2585.829995][ T72] fib6_rule_lookup+0x456/0x630 [ 2585.829995][ T72] ip6_route_input+0x59c/0xa50 [ 2585.829995][ T72] ipv6_rcv+0x397/0x810 [ 2585.829995][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2585.829995][ T72] process_backlog+0x101/0x620 [ 2585.829995][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2585.829995][ T72] net_rx_action+0x495/0xbe0 [ 2585.829995][ T72] __do_softirq+0x1b5/0x7f6 [ 2585.829995][ T72] [ 2585.831805][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2585.831805][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.831805][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.831805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.831805][ T72] ip6_route_add+0x1c/0x140 [ 2585.831805][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2585.831805][ T72] inet6_addr_add+0x4f8/0xa40 [ 2585.831805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.831805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.831805][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.831805][ T72] netlink_unicast+0x449/0x710 [ 2585.831805][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.831805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.831805][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.831805][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.831805][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.831805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.831805][ T72] [ 2585.834060][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2585.834060][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.834060][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.834060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.834060][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2585.834060][ T72] ipv6_add_addr+0x411/0x2000 [ 2585.834060][ T72] inet6_addr_add+0x30e/0xa40 [ 2585.834060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.834060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.834060][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.834060][ T72] netlink_unicast+0x449/0x710 [ 2585.834060][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.834060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.834060][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.834060][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.834060][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.834060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.834060][ T72] [ 2585.836252][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2585.836252][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.836252][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.836252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.836252][ T72] ip6_route_add+0x1c/0x140 [ 2585.836252][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2585.836252][ T72] addrconf_add_dev+0xe2/0x170 [ 2585.836252][ T72] inet6_addr_add+0x12f/0xa40 [ 2585.836252][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.836252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.836252][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.836252][ T72] netlink_unicast+0x449/0x710 [ 2585.836252][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.836252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.836252][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.836252][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.836252][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.836252][ T72] [ 2585.838529][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2585.838529][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2585.838529][ T72] ipv6_find_idev+0x102/0x170 [ 2585.838529][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.838529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.838529][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.838529][ T72] netlink_unicast+0x449/0x710 [ 2585.838529][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.838529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.838529][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.838529][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.838529][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.838529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.838529][ T72] [ 2585.840258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2585.840258][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2585.840258][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2585.840258][ T72] ipv6_find_idev+0x102/0x170 [ 2585.840258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.840258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.840258][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.840258][ T72] netlink_unicast+0x449/0x710 [ 2585.840258][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.840258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.840258][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.840258][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.840258][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.840258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.840258][ T72] [ 2585.842139][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2585.842507][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2585.842507][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.842507][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.842507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.842507][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2585.842507][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2585.842507][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2585.842507][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2585.842507][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2585.842507][ T72] addrconf_dad_begin+0x310/0x670 [ 2585.842507][ T72] addrconf_dad_work+0x10b/0xab0 [ 2585.842507][ T72] process_one_work+0x84d/0x18a0 [ 2585.842507][ T72] worker_thread+0x587/0xd30 [ 2585.842507][ T72] kthread+0x28a/0x350 [ 2585.842507][ T72] ret_from_fork+0x31/0x70 [ 2585.842507][ T72] ret_from_fork_asm+0x1a/0x30 [ 2585.842507][ T72] [ 2585.844545][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2585.844545][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.844545][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.844545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.844545][ T72] ip6_route_add+0x1c/0x140 [ 2585.844545][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2585.844545][ T72] inet6_addr_add+0x4f8/0xa40 [ 2585.844545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.844545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.844545][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.844545][ T72] netlink_unicast+0x449/0x710 [ 2585.844545][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.844545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.844545][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.844545][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.844545][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.844545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.844545][ T72] [ 2585.846804][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2585.846804][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.846804][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.846804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.846804][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2585.846804][ T72] ipv6_add_addr+0x411/0x2000 [ 2585.846804][ T72] inet6_addr_add+0x30e/0xa40 [ 2585.846804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.846804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.846804][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.846804][ T72] netlink_unicast+0x449/0x710 [ 2585.846804][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.846804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.846804][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.846804][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.846804][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.846804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.846804][ T72] [ 2585.849150][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2585.849150][ T72] netdev_get_by_index+0x5e/0x80 [ 2585.849150][ T72] fib6_nh_init+0x3d8/0x1580 [ 2585.849150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2585.849150][ T72] ip6_route_add+0x1c/0x140 [ 2585.849150][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2585.849150][ T72] addrconf_add_dev+0xe2/0x170 [ 2585.849150][ T72] inet6_addr_add+0x12f/0xa40 [ 2585.849150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.849150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.849150][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.849150][ T72] netlink_unicast+0x449/0x710 [ 2585.849150][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.849150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.849150][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.849150][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.849150][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.849150][ T72] [ 2585.851339][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2585.851339][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2585.851339][ T72] ipv6_find_idev+0x102/0x170 [ 2585.851339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.851339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.851339][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.851339][ T72] netlink_unicast+0x449/0x710 [ 2585.851339][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.851339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.851339][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.851339][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.851339][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.851339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.851339][ T72] [ 2585.853024][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2585.853024][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2585.853024][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2585.853024][ T72] ipv6_find_idev+0x102/0x170 [ 2585.853024][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.853024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.853024][ T72] netlink_rcv_skb+0x130/0x360 [ 2585.853024][ T72] netlink_unicast+0x449/0x710 [ 2585.853024][ T72] netlink_sendmsg+0x723/0xbe0 [ 2585.853024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2585.853024][ T72] ___sys_sendmsg+0xee/0x170 [ 2585.853024][ T72] __sys_sendmsg+0xcd/0x170 [ 2585.853024][ T72] do_syscall_64+0xc6/0x1e0 [ 2585.853024][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.853024][ T72] [ 2596.080919][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2596.081424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2596.081424][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2596.081424][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2596.081424][ T72] fib6_nh_init+0xa22/0x1580 [ 2596.081424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.081424][ T72] ip6_route_add+0x1c/0x140 [ 2596.081424][ T72] inet6_rtm_newroute+0x104/0x110 [ 2596.081424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.081424][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.081424][ T72] netlink_unicast+0x449/0x710 [ 2596.081424][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.081424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.081424][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.081424][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.081424][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.081424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.081424][ T72] [ 2596.083319][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2596.083319][ T72] dst_init+0x84/0x4a0 [ 2596.083319][ T72] dst_alloc+0x97/0x150 [ 2596.083319][ T72] ip6_dst_alloc+0x23/0x90 [ 2596.083319][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2596.083319][ T72] ip6_pol_route+0x56f/0x840 [ 2596.083319][ T72] fib6_rule_lookup+0x456/0x630 [ 2596.083319][ T72] ip6_route_input+0x59c/0xa50 [ 2596.083319][ T72] ipv6_rcv+0x397/0x810 [ 2596.083319][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2596.083319][ T72] process_backlog+0x101/0x620 [ 2596.083319][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2596.083319][ T72] net_rx_action+0x495/0xbe0 [ 2596.083319][ T72] __do_softirq+0x1b5/0x7f6 [ 2596.083319][ T72] [ 2596.084973][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2596.084973][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.084973][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.084973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.084973][ T72] ip6_route_add+0x1c/0x140 [ 2596.084973][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2596.084973][ T72] inet6_addr_add+0x4f8/0xa40 [ 2596.084973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.084973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.084973][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.084973][ T72] netlink_unicast+0x449/0x710 [ 2596.084973][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.084973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.084973][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.084973][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.084973][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.084973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.084973][ T72] [ 2596.086990][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2596.086990][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.086990][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.086990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.086990][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2596.086990][ T72] ipv6_add_addr+0x411/0x2000 [ 2596.086990][ T72] inet6_addr_add+0x30e/0xa40 [ 2596.086990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.086990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.086990][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.086990][ T72] netlink_unicast+0x449/0x710 [ 2596.086990][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.086990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.086990][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.086990][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.086990][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.086990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.086990][ T72] [ 2596.088977][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2596.088977][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.088977][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.088977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.088977][ T72] ip6_route_add+0x1c/0x140 [ 2596.088977][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2596.088977][ T72] addrconf_add_dev+0xe2/0x170 [ 2596.088977][ T72] inet6_addr_add+0x12f/0xa40 [ 2596.088977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.088977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.088977][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.088977][ T72] netlink_unicast+0x449/0x710 [ 2596.088977][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.088977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.088977][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.088977][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.088977][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.088977][ T72] [ 2596.090957][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2596.090957][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2596.090957][ T72] ipv6_find_idev+0x102/0x170 [ 2596.090957][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2596.090957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.090957][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.090957][ T72] netlink_unicast+0x449/0x710 [ 2596.090957][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.090957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.090957][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.090957][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.090957][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.090957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.090957][ T72] [ 2596.092488][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2596.092488][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2596.092488][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2596.092488][ T72] ipv6_find_idev+0x102/0x170 [ 2596.092488][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2596.092488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.092488][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.092488][ T72] netlink_unicast+0x449/0x710 [ 2596.092488][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.092488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.092488][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.092488][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.092488][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.092488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.092488][ T72] [ 2596.094200][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2596.094469][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2596.094469][ T72] dst_init+0x84/0x4a0 [ 2596.094469][ T72] dst_alloc+0x97/0x150 [ 2596.094469][ T72] ip6_dst_alloc+0x23/0x90 [ 2596.094469][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2596.094469][ T72] ip6_pol_route+0x56f/0x840 [ 2596.094469][ T72] fib6_rule_lookup+0x456/0x630 [ 2596.094469][ T72] ip6_route_input+0x59c/0xa50 [ 2596.094469][ T72] ipv6_rcv+0x397/0x810 [ 2596.094469][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2596.094469][ T72] process_backlog+0x101/0x620 [ 2596.094469][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2596.094469][ T72] net_rx_action+0x495/0xbe0 [ 2596.094469][ T72] __do_softirq+0x1b5/0x7f6 [ 2596.094469][ T72] [ 2596.096133][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2596.096133][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.096133][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.096133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.096133][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2596.096133][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2596.096133][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2596.096133][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2596.096133][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2596.096133][ T72] addrconf_dad_begin+0x310/0x670 [ 2596.096133][ T72] addrconf_dad_work+0x10b/0xab0 [ 2596.096133][ T72] process_one_work+0x84d/0x18a0 [ 2596.096133][ T72] worker_thread+0x587/0xd30 [ 2596.096133][ T72] kthread+0x28a/0x350 [ 2596.096133][ T72] ret_from_fork+0x31/0x70 [ 2596.096133][ T72] ret_from_fork_asm+0x1a/0x30 [ 2596.096133][ T72] [ 2596.098046][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2596.098046][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.098046][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.098046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.098046][ T72] ip6_route_add+0x1c/0x140 [ 2596.098046][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2596.098046][ T72] inet6_addr_add+0x4f8/0xa40 [ 2596.098046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.098046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.098046][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.098046][ T72] netlink_unicast+0x449/0x710 [ 2596.098046][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.098046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.098046][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.098046][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.098046][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.098046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.098046][ T72] [ 2596.100026][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2596.100026][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.100026][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.100026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.100026][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2596.100026][ T72] ipv6_add_addr+0x411/0x2000 [ 2596.100026][ T72] inet6_addr_add+0x30e/0xa40 [ 2596.100026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.100026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.100026][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.100026][ T72] netlink_unicast+0x449/0x710 [ 2596.100026][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.100026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.100026][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.100026][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.100026][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.100026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.100026][ T72] [ 2596.101992][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2596.101992][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.101992][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.101992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.101992][ T72] ip6_route_add+0x1c/0x140 [ 2596.101992][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2596.101992][ T72] addrconf_add_dev+0xe2/0x170 [ 2596.101992][ T72] inet6_addr_add+0x12f/0xa40 [ 2596.101992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.101992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.101992][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.101992][ T72] netlink_unicast+0x449/0x710 [ 2596.101992][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.101992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.101992][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.101992][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.101992][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.101992][ T72] [ 2596.103961][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2596.103961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2596.103961][ T72] ipv6_find_idev+0x102/0x170 [ 2596.103961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2596.103961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.103961][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.103961][ T72] netlink_unicast+0x449/0x710 [ 2596.103961][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.103961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.103961][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.103961][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.103961][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.103961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.103961][ T72] [ 2596.105509][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2596.105509][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2596.105509][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2596.105509][ T72] ipv6_find_idev+0x102/0x170 [ 2596.105509][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2596.105509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.105509][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.105509][ T72] netlink_unicast+0x449/0x710 [ 2596.105509][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.105509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.105509][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.105509][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.105509][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.105509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.105509][ T72] [ 2596.107262][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2596.107597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2596.107597][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2596.107597][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2596.107597][ T72] fib6_nh_init+0xa22/0x1580 [ 2596.107597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.107597][ T72] ip6_route_add+0x1c/0x140 [ 2596.107597][ T72] inet6_rtm_newroute+0x104/0x110 [ 2596.107597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.107597][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.107597][ T72] netlink_unicast+0x449/0x710 [ 2596.107597][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.107597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.107597][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.107597][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.107597][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.107597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.107597][ T72] [ 2596.109619][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2596.109619][ T72] dst_init+0x84/0x4a0 [ 2596.109619][ T72] dst_alloc+0x97/0x150 [ 2596.109619][ T72] ip6_dst_alloc+0x23/0x90 [ 2596.109619][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2596.109619][ T72] ip6_pol_route+0x56f/0x840 [ 2596.109619][ T72] fib6_rule_lookup+0x456/0x630 [ 2596.109619][ T72] ip6_route_input+0x59c/0xa50 [ 2596.109619][ T72] ipv6_rcv+0x397/0x810 [ 2596.109619][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2596.109619][ T72] process_backlog+0x101/0x620 [ 2596.109619][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2596.109619][ T72] net_rx_action+0x495/0xbe0 [ 2596.109619][ T72] __do_softirq+0x1b5/0x7f6 [ 2596.109619][ T72] [ 2596.111445][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2596.111445][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.111445][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.111445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.111445][ T72] ip6_route_add+0x1c/0x140 [ 2596.111445][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2596.111445][ T72] inet6_addr_add+0x4f8/0xa40 [ 2596.111445][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.111445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.111445][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.111445][ T72] netlink_unicast+0x449/0x710 [ 2596.111445][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.111445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.111445][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.111445][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.111445][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.111445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.111445][ T72] [ 2596.113668][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2596.113668][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.113668][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.113668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.113668][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2596.113668][ T72] ipv6_add_addr+0x411/0x2000 [ 2596.113668][ T72] inet6_addr_add+0x30e/0xa40 [ 2596.113668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.113668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.113668][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.113668][ T72] netlink_unicast+0x449/0x710 [ 2596.113668][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.113668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.113668][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.113668][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.113668][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.113668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.113668][ T72] [ 2596.115920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2596.115920][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.115920][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.115920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.115920][ T72] ip6_route_add+0x1c/0x140 [ 2596.115920][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2596.115920][ T72] addrconf_add_dev+0xe2/0x170 [ 2596.115920][ T72] inet6_addr_add+0x12f/0xa40 [ 2596.115920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.115920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.115920][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.115920][ T72] netlink_unicast+0x449/0x710 [ 2596.115920][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.115920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.115920][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.115920][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.115920][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.115920][ T72] [ 2596.118195][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2596.118195][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2596.118195][ T72] ipv6_find_idev+0x102/0x170 [ 2596.118195][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2596.118195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.118195][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.118195][ T72] netlink_unicast+0x449/0x710 [ 2596.118195][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.118195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.118195][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.118195][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.118195][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.118195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.118195][ T72] [ 2596.119922][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2596.119922][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2596.119922][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2596.119922][ T72] ipv6_find_idev+0x102/0x170 [ 2596.119922][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2596.119922][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.119922][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.119922][ T72] netlink_unicast+0x449/0x710 [ 2596.119922][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.119922][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.119922][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.119922][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.119922][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.119922][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.119922][ T72] [ 2596.121808][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2596.122095][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2596.122095][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.122095][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.122095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.122095][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2596.122095][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2596.122095][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2596.122095][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2596.122095][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2596.122095][ T72] addrconf_dad_begin+0x310/0x670 [ 2596.122095][ T72] addrconf_dad_work+0x10b/0xab0 [ 2596.122095][ T72] process_one_work+0x84d/0x18a0 [ 2596.122095][ T72] worker_thread+0x587/0xd30 [ 2596.122095][ T72] kthread+0x28a/0x350 [ 2596.122095][ T72] ret_from_fork+0x31/0x70 [ 2596.122095][ T72] ret_from_fork_asm+0x1a/0x30 [ 2596.122095][ T72] [ 2596.124248][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2596.124248][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.124248][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.124248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.124248][ T72] ip6_route_add+0x1c/0x140 [ 2596.124248][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2596.124248][ T72] inet6_addr_add+0x4f8/0xa40 [ 2596.124248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.124248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.124248][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.124248][ T72] netlink_unicast+0x449/0x710 [ 2596.124248][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.124248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.124248][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.124248][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.124248][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.124248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.124248][ T72] [ 2596.126510][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2596.126510][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.126510][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.126510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.126510][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2596.126510][ T72] ipv6_add_addr+0x411/0x2000 [ 2596.126510][ T72] inet6_addr_add+0x30e/0xa40 [ 2596.126510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.126510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.126510][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.126510][ T72] netlink_unicast+0x449/0x710 [ 2596.126510][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.126510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.126510][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.126510][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.126510][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.126510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.126510][ T72] [ 2596.128795][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2596.128795][ T72] netdev_get_by_index+0x5e/0x80 [ 2596.128795][ T72] fib6_nh_init+0x3d8/0x1580 [ 2596.128795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2596.128795][ T72] ip6_route_add+0x1c/0x140 [ 2596.128795][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2596.128795][ T72] addrconf_add_dev+0xe2/0x170 [ 2596.128795][ T72] inet6_addr_add+0x12f/0xa40 [ 2596.128795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2596.128795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.128795][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.128795][ T72] netlink_unicast+0x449/0x710 [ 2596.128795][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.128795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.128795][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.128795][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.128795][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.128795][ T72] [ 2596.130991][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2596.130991][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2596.130991][ T72] ipv6_find_idev+0x102/0x170 [ 2596.130991][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2596.130991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.130991][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.130991][ T72] netlink_unicast+0x449/0x710 [ 2596.130991][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.130991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.130991][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.130991][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.130991][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.130991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.130991][ T72] [ 2596.132636][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2596.132636][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2596.132636][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2596.132636][ T72] ipv6_find_idev+0x102/0x170 [ 2596.132636][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2596.132636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2596.132636][ T72] netlink_rcv_skb+0x130/0x360 [ 2596.132636][ T72] netlink_unicast+0x449/0x710 [ 2596.132636][ T72] netlink_sendmsg+0x723/0xbe0 [ 2596.132636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2596.132636][ T72] ___sys_sendmsg+0xee/0x170 [ 2596.132636][ T72] __sys_sendmsg+0xcd/0x170 [ 2596.132636][ T72] do_syscall_64+0xc6/0x1e0 [ 2596.132636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2596.132636][ T72] [ 2606.136994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2606.137623][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2606.137623][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2606.137623][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2606.137623][ T72] fib6_nh_init+0xa22/0x1580 [ 2606.137623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.137623][ T72] ip6_route_add+0x1c/0x140 [ 2606.137623][ T72] inet6_rtm_newroute+0x104/0x110 [ 2606.137623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.137623][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.137623][ T72] netlink_unicast+0x449/0x710 [ 2606.137623][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.137623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.137623][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.137623][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.137623][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.137623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.137623][ T72] [ 2606.139471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2606.139471][ T72] dst_init+0x84/0x4a0 [ 2606.139471][ T72] dst_alloc+0x97/0x150 [ 2606.139471][ T72] ip6_dst_alloc+0x23/0x90 [ 2606.139471][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2606.139471][ T72] ip6_pol_route+0x56f/0x840 [ 2606.139471][ T72] fib6_rule_lookup+0x456/0x630 [ 2606.139471][ T72] ip6_route_input+0x59c/0xa50 [ 2606.139471][ T72] ipv6_rcv+0x397/0x810 [ 2606.139471][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2606.139471][ T72] process_backlog+0x101/0x620 [ 2606.139471][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2606.139471][ T72] net_rx_action+0x495/0xbe0 [ 2606.139471][ T72] __do_softirq+0x1b5/0x7f6 [ 2606.139471][ T72] [ 2606.141453][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2606.141453][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.141453][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.141453][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.141453][ T72] ip6_route_add+0x1c/0x140 [ 2606.141453][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2606.141453][ T72] inet6_addr_add+0x4f8/0xa40 [ 2606.141453][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.141453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.141453][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.141453][ T72] netlink_unicast+0x449/0x710 [ 2606.141453][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.141453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.141453][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.141453][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.141453][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.141453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.141453][ T72] [ 2606.143392][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2606.143392][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.143392][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.143392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.143392][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2606.143392][ T72] ipv6_add_addr+0x411/0x2000 [ 2606.143392][ T72] inet6_addr_add+0x30e/0xa40 [ 2606.143392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.143392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.143392][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.143392][ T72] netlink_unicast+0x449/0x710 [ 2606.143392][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.143392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.143392][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.143392][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.143392][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.143392][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.143392][ T72] [ 2606.145324][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2606.145324][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.145324][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.145324][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.145324][ T72] ip6_route_add+0x1c/0x140 [ 2606.145324][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2606.145324][ T72] addrconf_add_dev+0xe2/0x170 [ 2606.145324][ T72] inet6_addr_add+0x12f/0xa40 [ 2606.145324][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.145324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.145324][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.145324][ T72] netlink_unicast+0x449/0x710 [ 2606.145324][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.145324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.145324][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.145324][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.145324][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.145324][ T72] [ 2606.147246][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2606.147246][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2606.147246][ T72] ipv6_find_idev+0x102/0x170 [ 2606.147246][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2606.147246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.147246][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.147246][ T72] netlink_unicast+0x449/0x710 [ 2606.147246][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.147246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.147246][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.147246][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.147246][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.147246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.147246][ T72] [ 2606.148764][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2606.148764][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2606.148764][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2606.148764][ T72] ipv6_find_idev+0x102/0x170 [ 2606.148764][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2606.148764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.148764][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.148764][ T72] netlink_unicast+0x449/0x710 [ 2606.148764][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.148764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.148764][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.148764][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.148764][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.148764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.148764][ T72] [ 2606.150421][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2606.150693][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2606.150693][ T72] dst_init+0x84/0x4a0 [ 2606.150693][ T72] dst_alloc+0x97/0x150 [ 2606.150693][ T72] ip6_dst_alloc+0x23/0x90 [ 2606.150693][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2606.150693][ T72] ip6_pol_route+0x56f/0x840 [ 2606.150693][ T72] fib6_rule_lookup+0x456/0x630 [ 2606.150693][ T72] ip6_route_input+0x59c/0xa50 [ 2606.150693][ T72] ipv6_rcv+0x397/0x810 [ 2606.150693][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2606.150693][ T72] process_backlog+0x101/0x620 [ 2606.150693][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2606.150693][ T72] net_rx_action+0x495/0xbe0 [ 2606.150693][ T72] __do_softirq+0x1b5/0x7f6 [ 2606.150693][ T72] [ 2606.152340][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2606.152340][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.152340][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.152340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.152340][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2606.152340][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2606.152340][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2606.152340][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2606.152340][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2606.152340][ T72] addrconf_dad_begin+0x310/0x670 [ 2606.152340][ T72] addrconf_dad_work+0x10b/0xab0 [ 2606.152340][ T72] process_one_work+0x84d/0x18a0 [ 2606.152340][ T72] worker_thread+0x587/0xd30 [ 2606.152340][ T72] kthread+0x28a/0x350 [ 2606.152340][ T72] ret_from_fork+0x31/0x70 [ 2606.152340][ T72] ret_from_fork_asm+0x1a/0x30 [ 2606.152340][ T72] [ 2606.154206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2606.154206][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.154206][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.154206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.154206][ T72] ip6_route_add+0x1c/0x140 [ 2606.154206][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2606.154206][ T72] inet6_addr_add+0x4f8/0xa40 [ 2606.154206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.154206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.154206][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.154206][ T72] netlink_unicast+0x449/0x710 [ 2606.154206][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.154206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.154206][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.154206][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.154206][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.154206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.154206][ T72] [ 2606.156184][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2606.156184][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.156184][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.156184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.156184][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2606.156184][ T72] ipv6_add_addr+0x411/0x2000 [ 2606.156184][ T72] inet6_addr_add+0x30e/0xa40 [ 2606.156184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.156184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.156184][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.156184][ T72] netlink_unicast+0x449/0x710 [ 2606.156184][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.156184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.156184][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.156184][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.156184][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.156184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.156184][ T72] [ 2606.158166][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2606.158166][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.158166][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.158166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.158166][ T72] ip6_route_add+0x1c/0x140 [ 2606.158166][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2606.158166][ T72] addrconf_add_dev+0xe2/0x170 [ 2606.158166][ T72] inet6_addr_add+0x12f/0xa40 [ 2606.158166][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.158166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.158166][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.158166][ T72] netlink_unicast+0x449/0x710 [ 2606.158166][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.158166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.158166][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.158166][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.158166][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.158166][ T72] [ 2606.160145][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2606.160145][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2606.160145][ T72] ipv6_find_idev+0x102/0x170 [ 2606.160145][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2606.160145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.160145][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.160145][ T72] netlink_unicast+0x449/0x710 [ 2606.160145][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.160145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.160145][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.160145][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.160145][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.160145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.160145][ T72] [ 2606.161640][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2606.161640][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2606.161640][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2606.161640][ T72] ipv6_find_idev+0x102/0x170 [ 2606.161640][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2606.161640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.161640][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.161640][ T72] netlink_unicast+0x449/0x710 [ 2606.161640][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.161640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.161640][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.161640][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.161640][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.161640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.161640][ T72] [ 2606.163319][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2606.163657][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2606.163657][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2606.163657][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2606.163657][ T72] fib6_nh_init+0xa22/0x1580 [ 2606.163657][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.163657][ T72] ip6_route_add+0x1c/0x140 [ 2606.163657][ T72] inet6_rtm_newroute+0x104/0x110 [ 2606.163657][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.163657][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.163657][ T72] netlink_unicast+0x449/0x710 [ 2606.163657][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.163657][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.163657][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.163657][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.163657][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.163657][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.163657][ T72] [ 2606.165712][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2606.165712][ T72] dst_init+0x84/0x4a0 [ 2606.165712][ T72] dst_alloc+0x97/0x150 [ 2606.165712][ T72] ip6_dst_alloc+0x23/0x90 [ 2606.165712][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2606.165712][ T72] ip6_pol_route+0x56f/0x840 [ 2606.165712][ T72] fib6_rule_lookup+0x456/0x630 [ 2606.165712][ T72] ip6_route_input+0x59c/0xa50 [ 2606.165712][ T72] ipv6_rcv+0x397/0x810 [ 2606.165712][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2606.165712][ T72] process_backlog+0x101/0x620 [ 2606.165712][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2606.165712][ T72] net_rx_action+0x495/0xbe0 [ 2606.165712][ T72] __do_softirq+0x1b5/0x7f6 [ 2606.165712][ T72] [ 2606.167569][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2606.167569][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.167569][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.167569][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.167569][ T72] ip6_route_add+0x1c/0x140 [ 2606.167569][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2606.167569][ T72] inet6_addr_add+0x4f8/0xa40 [ 2606.167569][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.167569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.167569][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.167569][ T72] netlink_unicast+0x449/0x710 [ 2606.167569][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.167569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.167569][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.167569][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.167569][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.167569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.167569][ T72] [ 2606.169927][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2606.169927][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.169927][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.169927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.169927][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2606.169927][ T72] ipv6_add_addr+0x411/0x2000 [ 2606.169927][ T72] inet6_addr_add+0x30e/0xa40 [ 2606.169927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.169927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.169927][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.169927][ T72] netlink_unicast+0x449/0x710 [ 2606.169927][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.169927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.169927][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.169927][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.169927][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.169927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.169927][ T72] [ 2606.172156][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2606.172156][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.172156][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.172156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.172156][ T72] ip6_route_add+0x1c/0x140 [ 2606.172156][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2606.172156][ T72] addrconf_add_dev+0xe2/0x170 [ 2606.172156][ T72] inet6_addr_add+0x12f/0xa40 [ 2606.172156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.172156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.172156][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.172156][ T72] netlink_unicast+0x449/0x710 [ 2606.172156][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.172156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.172156][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.172156][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.172156][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.172156][ T72] [ 2606.174403][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2606.174403][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2606.174403][ T72] ipv6_find_idev+0x102/0x170 [ 2606.174403][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2606.174403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.174403][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.174403][ T72] netlink_unicast+0x449/0x710 [ 2606.174403][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.174403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.174403][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.174403][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.174403][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.174403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.174403][ T72] [ 2606.176117][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2606.176117][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2606.176117][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2606.176117][ T72] ipv6_find_idev+0x102/0x170 [ 2606.176117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2606.176117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.176117][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.176117][ T72] netlink_unicast+0x449/0x710 [ 2606.176117][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.176117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.176117][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.176117][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.176117][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.176117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.176117][ T72] [ 2606.177970][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2606.178304][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2606.178304][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.178304][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.178304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.178304][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2606.178304][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2606.178304][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2606.178304][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2606.178304][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2606.178304][ T72] addrconf_dad_begin+0x310/0x670 [ 2606.178304][ T72] addrconf_dad_work+0x10b/0xab0 [ 2606.178304][ T72] process_one_work+0x84d/0x18a0 [ 2606.178304][ T72] worker_thread+0x587/0xd30 [ 2606.178304][ T72] kthread+0x28a/0x350 [ 2606.178304][ T72] ret_from_fork+0x31/0x70 [ 2606.178304][ T72] ret_from_fork_asm+0x1a/0x30 [ 2606.178304][ T72] [ 2606.180377][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2606.180377][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.180377][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.180377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.180377][ T72] ip6_route_add+0x1c/0x140 [ 2606.180377][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2606.180377][ T72] inet6_addr_add+0x4f8/0xa40 [ 2606.180377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.180377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.180377][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.180377][ T72] netlink_unicast+0x449/0x710 [ 2606.180377][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.180377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.180377][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.180377][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.180377][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.180377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.180377][ T72] [ 2606.182606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2606.182606][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.182606][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.182606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.182606][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2606.182606][ T72] ipv6_add_addr+0x411/0x2000 [ 2606.182606][ T72] inet6_addr_add+0x30e/0xa40 [ 2606.182606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.182606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.182606][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.182606][ T72] netlink_unicast+0x449/0x710 [ 2606.182606][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.182606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.182606][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.182606][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.182606][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.182606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.182606][ T72] [ 2606.184886][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2606.184886][ T72] netdev_get_by_index+0x5e/0x80 [ 2606.184886][ T72] fib6_nh_init+0x3d8/0x1580 [ 2606.184886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2606.184886][ T72] ip6_route_add+0x1c/0x140 [ 2606.184886][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2606.184886][ T72] addrconf_add_dev+0xe2/0x170 [ 2606.184886][ T72] inet6_addr_add+0x12f/0xa40 [ 2606.184886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2606.184886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.184886][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.184886][ T72] netlink_unicast+0x449/0x710 [ 2606.184886][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.184886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.184886][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.184886][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.184886][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.184886][ T72] [ 2606.187069][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2606.187069][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2606.187069][ T72] ipv6_find_idev+0x102/0x170 [ 2606.187069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2606.187069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.187069][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.187069][ T72] netlink_unicast+0x449/0x710 [ 2606.187069][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.187069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.187069][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.187069][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.187069][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.187069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.187069][ T72] [ 2606.188770][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2606.188770][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2606.188770][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2606.188770][ T72] ipv6_find_idev+0x102/0x170 [ 2606.188770][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2606.188770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2606.188770][ T72] netlink_rcv_skb+0x130/0x360 [ 2606.188770][ T72] netlink_unicast+0x449/0x710 [ 2606.188770][ T72] netlink_sendmsg+0x723/0xbe0 [ 2606.188770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2606.188770][ T72] ___sys_sendmsg+0xee/0x170 [ 2606.188770][ T72] __sys_sendmsg+0xcd/0x170 [ 2606.188770][ T72] do_syscall_64+0xc6/0x1e0 [ 2606.188770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2606.188770][ T72] [ 2616.432970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2616.433528][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2616.433528][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2616.433528][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2616.433528][ T72] fib6_nh_init+0xa22/0x1580 [ 2616.433528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.433528][ T72] ip6_route_add+0x1c/0x140 [ 2616.433528][ T72] inet6_rtm_newroute+0x104/0x110 [ 2616.433528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.433528][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.433528][ T72] netlink_unicast+0x449/0x710 [ 2616.433528][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.433528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.433528][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.433528][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.433528][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.433528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.433528][ T72] [ 2616.435414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2616.435414][ T72] dst_init+0x84/0x4a0 [ 2616.435414][ T72] dst_alloc+0x97/0x150 [ 2616.435414][ T72] ip6_dst_alloc+0x23/0x90 [ 2616.435414][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2616.435414][ T72] ip6_pol_route+0x56f/0x840 [ 2616.435414][ T72] fib6_rule_lookup+0x456/0x630 [ 2616.435414][ T72] ip6_route_input+0x59c/0xa50 [ 2616.435414][ T72] ipv6_rcv+0x397/0x810 [ 2616.435414][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2616.435414][ T72] process_backlog+0x101/0x620 [ 2616.435414][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2616.435414][ T72] net_rx_action+0x495/0xbe0 [ 2616.435414][ T72] __do_softirq+0x1b5/0x7f6 [ 2616.435414][ T72] [ 2616.437044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2616.437044][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.437044][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.437044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.437044][ T72] ip6_route_add+0x1c/0x140 [ 2616.437044][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2616.437044][ T72] inet6_addr_add+0x4f8/0xa40 [ 2616.437044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.437044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.437044][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.437044][ T72] netlink_unicast+0x449/0x710 [ 2616.437044][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.437044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.437044][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.437044][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.437044][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.437044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.437044][ T72] [ 2616.439489][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2616.439489][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.439489][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.439489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.439489][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2616.439489][ T72] ipv6_add_addr+0x411/0x2000 [ 2616.439489][ T72] inet6_addr_add+0x30e/0xa40 [ 2616.439489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.439489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.439489][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.439489][ T72] netlink_unicast+0x449/0x710 [ 2616.439489][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.439489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.439489][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.439489][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.439489][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.439489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.439489][ T72] [ 2616.441454][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2616.441454][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.441454][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.441454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.441454][ T72] ip6_route_add+0x1c/0x140 [ 2616.441454][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2616.441454][ T72] addrconf_add_dev+0xe2/0x170 [ 2616.441454][ T72] inet6_addr_add+0x12f/0xa40 [ 2616.441454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.441454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.441454][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.441454][ T72] netlink_unicast+0x449/0x710 [ 2616.441454][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.441454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.441454][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.441454][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.441454][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.441454][ T72] [ 2616.443406][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2616.443406][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2616.443406][ T72] ipv6_find_idev+0x102/0x170 [ 2616.443406][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.443406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.443406][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.443406][ T72] netlink_unicast+0x449/0x710 [ 2616.443406][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.443406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.443406][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.443406][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.443406][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.443406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.443406][ T72] [ 2616.444923][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2616.444923][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2616.444923][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2616.444923][ T72] ipv6_find_idev+0x102/0x170 [ 2616.444923][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.444923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.444923][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.444923][ T72] netlink_unicast+0x449/0x710 [ 2616.444923][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.444923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.444923][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.444923][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.444923][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.444923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.444923][ T72] [ 2616.446564][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2616.446867][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2616.446867][ T72] dst_init+0x84/0x4a0 [ 2616.446867][ T72] dst_alloc+0x97/0x150 [ 2616.446867][ T72] ip6_dst_alloc+0x23/0x90 [ 2616.446867][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2616.446867][ T72] ip6_pol_route+0x56f/0x840 [ 2616.446867][ T72] fib6_rule_lookup+0x456/0x630 [ 2616.446867][ T72] ip6_route_input+0x59c/0xa50 [ 2616.446867][ T72] ipv6_rcv+0x397/0x810 [ 2616.446867][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2616.446867][ T72] process_backlog+0x101/0x620 [ 2616.446867][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2616.446867][ T72] net_rx_action+0x495/0xbe0 [ 2616.446867][ T72] __do_softirq+0x1b5/0x7f6 [ 2616.446867][ T72] [ 2616.448482][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2616.448482][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.448482][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.448482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.448482][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2616.448482][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2616.448482][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2616.448482][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2616.448482][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2616.448482][ T72] addrconf_dad_begin+0x310/0x670 [ 2616.448482][ T72] addrconf_dad_work+0x10b/0xab0 [ 2616.448482][ T72] process_one_work+0x84d/0x18a0 [ 2616.448482][ T72] worker_thread+0x587/0xd30 [ 2616.448482][ T72] kthread+0x28a/0x350 [ 2616.448482][ T72] ret_from_fork+0x31/0x70 [ 2616.448482][ T72] ret_from_fork_asm+0x1a/0x30 [ 2616.448482][ T72] [ 2616.450394][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2616.450394][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.450394][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.450394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.450394][ T72] ip6_route_add+0x1c/0x140 [ 2616.450394][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2616.450394][ T72] inet6_addr_add+0x4f8/0xa40 [ 2616.450394][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.450394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.450394][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.450394][ T72] netlink_unicast+0x449/0x710 [ 2616.450394][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.450394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.450394][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.450394][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.450394][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.450394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.450394][ T72] [ 2616.452399][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2616.452399][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.452399][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.452399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.452399][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2616.452399][ T72] ipv6_add_addr+0x411/0x2000 [ 2616.452399][ T72] inet6_addr_add+0x30e/0xa40 [ 2616.452399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.452399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.452399][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.452399][ T72] netlink_unicast+0x449/0x710 [ 2616.452399][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.452399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.452399][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.452399][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.452399][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.452399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.452399][ T72] [ 2616.454318][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2616.454318][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.454318][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.454318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.454318][ T72] ip6_route_add+0x1c/0x140 [ 2616.454318][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2616.454318][ T72] addrconf_add_dev+0xe2/0x170 [ 2616.454318][ T72] inet6_addr_add+0x12f/0xa40 [ 2616.454318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.454318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.454318][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.454318][ T72] netlink_unicast+0x449/0x710 [ 2616.454318][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.454318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.454318][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.454318][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.454318][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.454318][ T72] [ 2616.456218][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2616.456218][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2616.456218][ T72] ipv6_find_idev+0x102/0x170 [ 2616.456218][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.456218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.456218][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.456218][ T72] netlink_unicast+0x449/0x710 [ 2616.456218][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.456218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.456218][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.456218][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.456218][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.456218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.456218][ T72] [ 2616.458078][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2616.458078][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2616.458078][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2616.458078][ T72] ipv6_find_idev+0x102/0x170 [ 2616.458078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.458078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.458078][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.458078][ T72] netlink_unicast+0x449/0x710 [ 2616.458078][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.458078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.458078][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.458078][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.458078][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.458078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.458078][ T72] [ 2616.459777][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2616.460140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2616.460140][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2616.460140][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2616.460140][ T72] fib6_nh_init+0xa22/0x1580 [ 2616.460140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.460140][ T72] ip6_route_add+0x1c/0x140 [ 2616.460140][ T72] inet6_rtm_newroute+0x104/0x110 [ 2616.460140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.460140][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.460140][ T72] netlink_unicast+0x449/0x710 [ 2616.460140][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.460140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.460140][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.460140][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.460140][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.460140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.460140][ T72] [ 2616.462180][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2616.462180][ T72] dst_init+0x84/0x4a0 [ 2616.462180][ T72] dst_alloc+0x97/0x150 [ 2616.462180][ T72] ip6_dst_alloc+0x23/0x90 [ 2616.462180][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2616.462180][ T72] ip6_pol_route+0x56f/0x840 [ 2616.462180][ T72] fib6_rule_lookup+0x456/0x630 [ 2616.462180][ T72] ip6_route_input+0x59c/0xa50 [ 2616.462180][ T72] ipv6_rcv+0x397/0x810 [ 2616.462180][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2616.462180][ T72] process_backlog+0x101/0x620 [ 2616.462180][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2616.462180][ T72] net_rx_action+0x495/0xbe0 [ 2616.462180][ T72] __do_softirq+0x1b5/0x7f6 [ 2616.462180][ T72] [ 2616.464131][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2616.464131][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.464131][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.464131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.464131][ T72] ip6_route_add+0x1c/0x140 [ 2616.464131][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2616.464131][ T72] inet6_addr_add+0x4f8/0xa40 [ 2616.464131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.464131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.464131][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.464131][ T72] netlink_unicast+0x449/0x710 [ 2616.464131][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.464131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.464131][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.464131][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.464131][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.464131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.464131][ T72] [ 2616.466292][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2616.466292][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.466292][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.466292][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.466292][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2616.466292][ T72] ipv6_add_addr+0x411/0x2000 [ 2616.466292][ T72] inet6_addr_add+0x30e/0xa40 [ 2616.466292][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.466292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.466292][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.466292][ T72] netlink_unicast+0x449/0x710 [ 2616.466292][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.466292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.466292][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.466292][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.466292][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.466292][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.466292][ T72] [ 2616.468507][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2616.468507][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.468507][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.468507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.468507][ T72] ip6_route_add+0x1c/0x140 [ 2616.468507][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2616.468507][ T72] addrconf_add_dev+0xe2/0x170 [ 2616.468507][ T72] inet6_addr_add+0x12f/0xa40 [ 2616.468507][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.468507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.468507][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.468507][ T72] netlink_unicast+0x449/0x710 [ 2616.468507][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.468507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.468507][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.468507][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.468507][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.468507][ T72] [ 2616.470753][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2616.470753][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2616.470753][ T72] ipv6_find_idev+0x102/0x170 [ 2616.470753][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.470753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.470753][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.470753][ T72] netlink_unicast+0x449/0x710 [ 2616.470753][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.470753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.470753][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.470753][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.470753][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.470753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.470753][ T72] [ 2616.472454][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2616.472454][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2616.472454][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2616.472454][ T72] ipv6_find_idev+0x102/0x170 [ 2616.472454][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.472454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.472454][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.472454][ T72] netlink_unicast+0x449/0x710 [ 2616.472454][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.472454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.472454][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.472454][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.472454][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.472454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.472454][ T72] [ 2616.474291][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2616.474625][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2616.474625][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.474625][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.474625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.474625][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2616.474625][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2616.474625][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2616.474625][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2616.474625][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2616.474625][ T72] addrconf_dad_begin+0x310/0x670 [ 2616.474625][ T72] addrconf_dad_work+0x10b/0xab0 [ 2616.474625][ T72] process_one_work+0x84d/0x18a0 [ 2616.474625][ T72] worker_thread+0x587/0xd30 [ 2616.474625][ T72] kthread+0x28a/0x350 [ 2616.474625][ T72] ret_from_fork+0x31/0x70 [ 2616.474625][ T72] ret_from_fork_asm+0x1a/0x30 [ 2616.474625][ T72] [ 2616.476715][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2616.476715][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.476715][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.476715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.476715][ T72] ip6_route_add+0x1c/0x140 [ 2616.476715][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2616.476715][ T72] inet6_addr_add+0x4f8/0xa40 [ 2616.476715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.476715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.476715][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.476715][ T72] netlink_unicast+0x449/0x710 [ 2616.476715][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.476715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.476715][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.476715][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.476715][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.476715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.476715][ T72] [ 2616.478920][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2616.478920][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.478920][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.478920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.478920][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2616.478920][ T72] ipv6_add_addr+0x411/0x2000 [ 2616.478920][ T72] inet6_addr_add+0x30e/0xa40 [ 2616.478920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.478920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.478920][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.478920][ T72] netlink_unicast+0x449/0x710 [ 2616.478920][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.478920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.478920][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.478920][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.478920][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.478920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.478920][ T72] [ 2616.481214][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2616.481214][ T72] netdev_get_by_index+0x5e/0x80 [ 2616.481214][ T72] fib6_nh_init+0x3d8/0x1580 [ 2616.481214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2616.481214][ T72] ip6_route_add+0x1c/0x140 [ 2616.481214][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2616.481214][ T72] addrconf_add_dev+0xe2/0x170 [ 2616.481214][ T72] inet6_addr_add+0x12f/0xa40 [ 2616.481214][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.481214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.481214][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.481214][ T72] netlink_unicast+0x449/0x710 [ 2616.481214][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.481214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.481214][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.481214][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.481214][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.481214][ T72] [ 2616.483403][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2616.483403][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2616.483403][ T72] ipv6_find_idev+0x102/0x170 [ 2616.483403][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.483403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.483403][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.483403][ T72] netlink_unicast+0x449/0x710 [ 2616.483403][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.483403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.483403][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.483403][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.483403][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.483403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.483403][ T72] [ 2616.485101][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2616.485101][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2616.485101][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2616.485101][ T72] ipv6_find_idev+0x102/0x170 [ 2616.485101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.485101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.485101][ T72] netlink_rcv_skb+0x130/0x360 [ 2616.485101][ T72] netlink_unicast+0x449/0x710 [ 2616.485101][ T72] netlink_sendmsg+0x723/0xbe0 [ 2616.485101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2616.485101][ T72] ___sys_sendmsg+0xee/0x170 [ 2616.485101][ T72] __sys_sendmsg+0xcd/0x170 [ 2616.485101][ T72] do_syscall_64+0xc6/0x1e0 [ 2616.485101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.485101][ T72] [ 2626.544843][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2626.545329][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2626.545329][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2626.545329][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2626.545329][ T72] fib6_nh_init+0xa22/0x1580 [ 2626.545329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.545329][ T72] ip6_route_add+0x1c/0x140 [ 2626.545329][ T72] inet6_rtm_newroute+0x104/0x110 [ 2626.545329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.545329][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.545329][ T72] netlink_unicast+0x449/0x710 [ 2626.545329][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.545329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.545329][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.545329][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.545329][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.545329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.545329][ T72] [ 2626.547231][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2626.547231][ T72] dst_init+0x84/0x4a0 [ 2626.547231][ T72] dst_alloc+0x97/0x150 [ 2626.547231][ T72] ip6_dst_alloc+0x23/0x90 [ 2626.547231][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2626.547231][ T72] ip6_pol_route+0x56f/0x840 [ 2626.547231][ T72] fib6_rule_lookup+0x456/0x630 [ 2626.547231][ T72] ip6_route_input+0x59c/0xa50 [ 2626.547231][ T72] ipv6_rcv+0x397/0x810 [ 2626.547231][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2626.547231][ T72] process_backlog+0x101/0x620 [ 2626.547231][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2626.547231][ T72] net_rx_action+0x495/0xbe0 [ 2626.547231][ T72] __do_softirq+0x1b5/0x7f6 [ 2626.547231][ T72] [ 2626.548860][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2626.548860][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.548860][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.548860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.548860][ T72] ip6_route_add+0x1c/0x140 [ 2626.548860][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2626.548860][ T72] inet6_addr_add+0x4f8/0xa40 [ 2626.548860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.548860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.548860][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.548860][ T72] netlink_unicast+0x449/0x710 [ 2626.548860][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.548860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.548860][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.548860][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.548860][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.548860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.548860][ T72] [ 2626.550941][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2626.550941][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.550941][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.550941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.550941][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2626.550941][ T72] ipv6_add_addr+0x411/0x2000 [ 2626.550941][ T72] inet6_addr_add+0x30e/0xa40 [ 2626.550941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.550941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.550941][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.550941][ T72] netlink_unicast+0x449/0x710 [ 2626.550941][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.550941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.550941][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.550941][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.550941][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.550941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.550941][ T72] [ 2626.552927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2626.552927][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.552927][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.552927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.552927][ T72] ip6_route_add+0x1c/0x140 [ 2626.552927][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2626.552927][ T72] addrconf_add_dev+0xe2/0x170 [ 2626.552927][ T72] inet6_addr_add+0x12f/0xa40 [ 2626.552927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.552927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.552927][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.552927][ T72] netlink_unicast+0x449/0x710 [ 2626.552927][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.552927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.552927][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.552927][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.552927][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.552927][ T72] [ 2626.554889][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2626.554889][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2626.554889][ T72] ipv6_find_idev+0x102/0x170 [ 2626.554889][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.554889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.554889][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.554889][ T72] netlink_unicast+0x449/0x710 [ 2626.554889][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.554889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.554889][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.554889][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.554889][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.554889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.554889][ T72] [ 2626.556423][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2626.556423][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2626.556423][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2626.556423][ T72] ipv6_find_idev+0x102/0x170 [ 2626.556423][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.556423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.556423][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.556423][ T72] netlink_unicast+0x449/0x710 [ 2626.556423][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.556423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.556423][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.556423][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.556423][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.556423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.556423][ T72] [ 2626.558112][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2626.558391][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2626.558391][ T72] dst_init+0x84/0x4a0 [ 2626.558391][ T72] dst_alloc+0x97/0x150 [ 2626.558391][ T72] ip6_dst_alloc+0x23/0x90 [ 2626.558391][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2626.558391][ T72] ip6_pol_route+0x56f/0x840 [ 2626.558391][ T72] fib6_rule_lookup+0x456/0x630 [ 2626.558391][ T72] ip6_route_input+0x59c/0xa50 [ 2626.558391][ T72] ipv6_rcv+0x397/0x810 [ 2626.558391][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2626.558391][ T72] process_backlog+0x101/0x620 [ 2626.558391][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2626.558391][ T72] net_rx_action+0x495/0xbe0 [ 2626.558391][ T72] __do_softirq+0x1b5/0x7f6 [ 2626.558391][ T72] [ 2626.560022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2626.560022][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.560022][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.560022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.560022][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2626.560022][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2626.560022][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2626.560022][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2626.560022][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2626.560022][ T72] addrconf_dad_begin+0x310/0x670 [ 2626.560022][ T72] addrconf_dad_work+0x10b/0xab0 [ 2626.560022][ T72] process_one_work+0x84d/0x18a0 [ 2626.560022][ T72] worker_thread+0x587/0xd30 [ 2626.560022][ T72] kthread+0x28a/0x350 [ 2626.560022][ T72] ret_from_fork+0x31/0x70 [ 2626.560022][ T72] ret_from_fork_asm+0x1a/0x30 [ 2626.560022][ T72] [ 2626.561911][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2626.561911][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.561911][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.561911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.561911][ T72] ip6_route_add+0x1c/0x140 [ 2626.561911][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2626.561911][ T72] inet6_addr_add+0x4f8/0xa40 [ 2626.561911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.561911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.561911][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.561911][ T72] netlink_unicast+0x449/0x710 [ 2626.561911][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.561911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.561911][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.561911][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.561911][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.561911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.561911][ T72] [ 2626.563885][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2626.563885][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.563885][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.563885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.563885][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2626.563885][ T72] ipv6_add_addr+0x411/0x2000 [ 2626.563885][ T72] inet6_addr_add+0x30e/0xa40 [ 2626.563885][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.563885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.563885][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.563885][ T72] netlink_unicast+0x449/0x710 [ 2626.563885][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.563885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.563885][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.563885][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.563885][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.563885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.563885][ T72] [ 2626.565868][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2626.565868][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.565868][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.565868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.565868][ T72] ip6_route_add+0x1c/0x140 [ 2626.565868][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2626.565868][ T72] addrconf_add_dev+0xe2/0x170 [ 2626.565868][ T72] inet6_addr_add+0x12f/0xa40 [ 2626.565868][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.565868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.565868][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.565868][ T72] netlink_unicast+0x449/0x710 [ 2626.565868][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.565868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.565868][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.565868][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.565868][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.565868][ T72] [ 2626.567820][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2626.567820][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2626.567820][ T72] ipv6_find_idev+0x102/0x170 [ 2626.567820][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.567820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.567820][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.567820][ T72] netlink_unicast+0x449/0x710 [ 2626.567820][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.567820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.567820][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.567820][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.567820][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.567820][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.567820][ T72] [ 2626.569339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2626.569339][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2626.569339][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2626.569339][ T72] ipv6_find_idev+0x102/0x170 [ 2626.569339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.569339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.569339][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.569339][ T72] netlink_unicast+0x449/0x710 [ 2626.569339][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.569339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.569339][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.569339][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.569339][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.569339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.569339][ T72] [ 2626.571067][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2626.571394][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2626.571394][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2626.571394][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2626.571394][ T72] fib6_nh_init+0xa22/0x1580 [ 2626.571394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.571394][ T72] ip6_route_add+0x1c/0x140 [ 2626.571394][ T72] inet6_rtm_newroute+0x104/0x110 [ 2626.571394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.571394][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.571394][ T72] netlink_unicast+0x449/0x710 [ 2626.571394][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.571394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.571394][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.571394][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.571394][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.571394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.571394][ T72] [ 2626.573430][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2626.573430][ T72] dst_init+0x84/0x4a0 [ 2626.573430][ T72] dst_alloc+0x97/0x150 [ 2626.573430][ T72] ip6_dst_alloc+0x23/0x90 [ 2626.573430][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2626.573430][ T72] ip6_pol_route+0x56f/0x840 [ 2626.573430][ T72] fib6_rule_lookup+0x456/0x630 [ 2626.573430][ T72] ip6_route_input+0x59c/0xa50 [ 2626.573430][ T72] ipv6_rcv+0x397/0x810 [ 2626.573430][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2626.573430][ T72] process_backlog+0x101/0x620 [ 2626.573430][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2626.573430][ T72] net_rx_action+0x495/0xbe0 [ 2626.573430][ T72] __do_softirq+0x1b5/0x7f6 [ 2626.573430][ T72] [ 2626.575296][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2626.575296][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.575296][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.575296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.575296][ T72] ip6_route_add+0x1c/0x140 [ 2626.575296][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2626.575296][ T72] inet6_addr_add+0x4f8/0xa40 [ 2626.575296][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.575296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.575296][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.575296][ T72] netlink_unicast+0x449/0x710 [ 2626.575296][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.575296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.575296][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.575296][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.575296][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.575296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.575296][ T72] [ 2626.577460][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2626.577460][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.577460][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.577460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.577460][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2626.577460][ T72] ipv6_add_addr+0x411/0x2000 [ 2626.577460][ T72] inet6_addr_add+0x30e/0xa40 [ 2626.577460][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.577460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.577460][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.577460][ T72] netlink_unicast+0x449/0x710 [ 2626.577460][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.577460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.577460][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.577460][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.577460][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.577460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.577460][ T72] [ 2626.579704][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2626.579704][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.579704][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.579704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.579704][ T72] ip6_route_add+0x1c/0x140 [ 2626.579704][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2626.579704][ T72] addrconf_add_dev+0xe2/0x170 [ 2626.579704][ T72] inet6_addr_add+0x12f/0xa40 [ 2626.579704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.579704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.579704][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.579704][ T72] netlink_unicast+0x449/0x710 [ 2626.579704][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.579704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.579704][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.579704][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.579704][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.579704][ T72] [ 2626.581968][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2626.581968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2626.581968][ T72] ipv6_find_idev+0x102/0x170 [ 2626.581968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.581968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.581968][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.581968][ T72] netlink_unicast+0x449/0x710 [ 2626.581968][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.581968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.581968][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.581968][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.581968][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.581968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.581968][ T72] [ 2626.583688][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2626.583688][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2626.583688][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2626.583688][ T72] ipv6_find_idev+0x102/0x170 [ 2626.583688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.583688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.583688][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.583688][ T72] netlink_unicast+0x449/0x710 [ 2626.583688][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.583688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.583688][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.583688][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.583688][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.583688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.583688][ T72] [ 2626.585562][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2626.586336][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2626.586336][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.586336][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.586336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.586336][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2626.586336][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2626.586336][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2626.586336][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2626.586336][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2626.586336][ T72] addrconf_dad_begin+0x310/0x670 [ 2626.586336][ T72] addrconf_dad_work+0x10b/0xab0 [ 2626.586336][ T72] process_one_work+0x84d/0x18a0 [ 2626.586336][ T72] worker_thread+0x587/0xd30 [ 2626.586336][ T72] kthread+0x28a/0x350 [ 2626.586336][ T72] ret_from_fork+0x31/0x70 [ 2626.586336][ T72] ret_from_fork_asm+0x1a/0x30 [ 2626.586336][ T72] [ 2626.588214][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2626.588214][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.588214][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.588214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.588214][ T72] ip6_route_add+0x1c/0x140 [ 2626.588214][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2626.588214][ T72] inet6_addr_add+0x4f8/0xa40 [ 2626.588214][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.588214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.588214][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.588214][ T72] netlink_unicast+0x449/0x710 [ 2626.588214][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.588214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.588214][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.588214][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.588214][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.588214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.588214][ T72] [ 2626.590269][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2626.590269][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.590269][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.590269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.590269][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2626.590269][ T72] ipv6_add_addr+0x411/0x2000 [ 2626.590269][ T72] inet6_addr_add+0x30e/0xa40 [ 2626.590269][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.590269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.590269][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.590269][ T72] netlink_unicast+0x449/0x710 [ 2626.590269][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.590269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.590269][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.590269][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.590269][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.590269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.590269][ T72] [ 2626.592515][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2626.592515][ T72] netdev_get_by_index+0x5e/0x80 [ 2626.592515][ T72] fib6_nh_init+0x3d8/0x1580 [ 2626.592515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2626.592515][ T72] ip6_route_add+0x1c/0x140 [ 2626.592515][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2626.592515][ T72] addrconf_add_dev+0xe2/0x170 [ 2626.592515][ T72] inet6_addr_add+0x12f/0xa40 [ 2626.592515][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.592515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.592515][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.592515][ T72] netlink_unicast+0x449/0x710 [ 2626.592515][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.592515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.592515][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.592515][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.592515][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.592515][ T72] [ 2626.594773][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2626.594773][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2626.594773][ T72] ipv6_find_idev+0x102/0x170 [ 2626.594773][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.594773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.594773][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.594773][ T72] netlink_unicast+0x449/0x710 [ 2626.594773][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.594773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.594773][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.594773][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.594773][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.594773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.594773][ T72] [ 2626.596480][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2626.596480][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2626.596480][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2626.596480][ T72] ipv6_find_idev+0x102/0x170 [ 2626.596480][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.596480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.596480][ T72] netlink_rcv_skb+0x130/0x360 [ 2626.596480][ T72] netlink_unicast+0x449/0x710 [ 2626.596480][ T72] netlink_sendmsg+0x723/0xbe0 [ 2626.596480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2626.596480][ T72] ___sys_sendmsg+0xee/0x170 [ 2626.596480][ T72] __sys_sendmsg+0xcd/0x170 [ 2626.596480][ T72] do_syscall_64+0xc6/0x1e0 [ 2626.596480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.596480][ T72] [ 2636.849058][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2636.849620][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2636.849620][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2636.849620][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2636.849620][ T72] fib6_nh_init+0xa22/0x1580 [ 2636.849620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.849620][ T72] ip6_route_add+0x1c/0x140 [ 2636.849620][ T72] inet6_rtm_newroute+0x104/0x110 [ 2636.849620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.849620][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.849620][ T72] netlink_unicast+0x449/0x710 [ 2636.849620][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.849620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.849620][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.849620][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.849620][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.849620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.849620][ T72] [ 2636.851465][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2636.851465][ T72] dst_init+0x84/0x4a0 [ 2636.851465][ T72] dst_alloc+0x97/0x150 [ 2636.851465][ T72] ip6_dst_alloc+0x23/0x90 [ 2636.851465][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.851465][ T72] ip6_pol_route+0x56f/0x840 [ 2636.851465][ T72] fib6_rule_lookup+0x456/0x630 [ 2636.851465][ T72] ip6_route_input+0x59c/0xa50 [ 2636.851465][ T72] ipv6_rcv+0x397/0x810 [ 2636.851465][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2636.851465][ T72] process_backlog+0x101/0x620 [ 2636.851465][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2636.851465][ T72] net_rx_action+0x495/0xbe0 [ 2636.851465][ T72] __do_softirq+0x1b5/0x7f6 [ 2636.851465][ T72] [ 2636.853056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2636.853056][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.853056][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.853056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.853056][ T72] ip6_route_add+0x1c/0x140 [ 2636.853056][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2636.853056][ T72] inet6_addr_add+0x4f8/0xa40 [ 2636.853056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.853056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.853056][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.853056][ T72] netlink_unicast+0x449/0x710 [ 2636.853056][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.853056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.853056][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.853056][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.853056][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.853056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.853056][ T72] [ 2636.854997][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2636.854997][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.854997][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.854997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.854997][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2636.854997][ T72] ipv6_add_addr+0x411/0x2000 [ 2636.854997][ T72] inet6_addr_add+0x30e/0xa40 [ 2636.854997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.854997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.854997][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.854997][ T72] netlink_unicast+0x449/0x710 [ 2636.854997][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.854997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.854997][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.854997][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.854997][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.854997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.854997][ T72] [ 2636.856981][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2636.856981][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.856981][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.856981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.856981][ T72] ip6_route_add+0x1c/0x140 [ 2636.856981][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2636.856981][ T72] addrconf_add_dev+0xe2/0x170 [ 2636.856981][ T72] inet6_addr_add+0x12f/0xa40 [ 2636.856981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.856981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.856981][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.856981][ T72] netlink_unicast+0x449/0x710 [ 2636.856981][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.856981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.856981][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.856981][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.856981][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.856981][ T72] [ 2636.858921][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2636.858921][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2636.858921][ T72] ipv6_find_idev+0x102/0x170 [ 2636.858921][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.858921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.858921][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.858921][ T72] netlink_unicast+0x449/0x710 [ 2636.858921][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.858921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.858921][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.858921][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.858921][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.858921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.858921][ T72] [ 2636.860405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2636.860405][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2636.860405][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2636.860405][ T72] ipv6_find_idev+0x102/0x170 [ 2636.860405][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.860405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.860405][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.860405][ T72] netlink_unicast+0x449/0x710 [ 2636.860405][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.860405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.860405][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.860405][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.860405][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.860405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.860405][ T72] [ 2636.862045][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2636.862331][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2636.862331][ T72] dst_init+0x84/0x4a0 [ 2636.862331][ T72] dst_alloc+0x97/0x150 [ 2636.862331][ T72] ip6_dst_alloc+0x23/0x90 [ 2636.862331][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.862331][ T72] ip6_pol_route+0x56f/0x840 [ 2636.862331][ T72] fib6_rule_lookup+0x456/0x630 [ 2636.862331][ T72] ip6_route_input+0x59c/0xa50 [ 2636.862331][ T72] ipv6_rcv+0x397/0x810 [ 2636.862331][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2636.862331][ T72] process_backlog+0x101/0x620 [ 2636.862331][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2636.862331][ T72] net_rx_action+0x495/0xbe0 [ 2636.862331][ T72] __do_softirq+0x1b5/0x7f6 [ 2636.862331][ T72] [ 2636.863969][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2636.863969][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.863969][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.863969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.863969][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2636.863969][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2636.863969][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2636.863969][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2636.863969][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2636.863969][ T72] addrconf_dad_begin+0x310/0x670 [ 2636.863969][ T72] addrconf_dad_work+0x10b/0xab0 [ 2636.863969][ T72] process_one_work+0x84d/0x18a0 [ 2636.863969][ T72] worker_thread+0x587/0xd30 [ 2636.863969][ T72] kthread+0x28a/0x350 [ 2636.863969][ T72] ret_from_fork+0x31/0x70 [ 2636.863969][ T72] ret_from_fork_asm+0x1a/0x30 [ 2636.863969][ T72] [ 2636.865848][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2636.865848][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.865848][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.865848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.865848][ T72] ip6_route_add+0x1c/0x140 [ 2636.865848][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2636.865848][ T72] inet6_addr_add+0x4f8/0xa40 [ 2636.865848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.865848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.865848][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.865848][ T72] netlink_unicast+0x449/0x710 [ 2636.865848][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.865848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.865848][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.865848][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.865848][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.865848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.865848][ T72] [ 2636.867860][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2636.867860][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.867860][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.867860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.867860][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2636.867860][ T72] ipv6_add_addr+0x411/0x2000 [ 2636.867860][ T72] inet6_addr_add+0x30e/0xa40 [ 2636.867860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.867860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.867860][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.867860][ T72] netlink_unicast+0x449/0x710 [ 2636.867860][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.867860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.867860][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.867860][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.867860][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.867860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.867860][ T72] [ 2636.869859][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2636.869859][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.869859][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.869859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.869859][ T72] ip6_route_add+0x1c/0x140 [ 2636.869859][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2636.869859][ T72] addrconf_add_dev+0xe2/0x170 [ 2636.869859][ T72] inet6_addr_add+0x12f/0xa40 [ 2636.869859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.869859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.869859][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.869859][ T72] netlink_unicast+0x449/0x710 [ 2636.869859][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.869859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.869859][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.869859][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.869859][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.869859][ T72] [ 2636.871772][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2636.871772][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2636.871772][ T72] ipv6_find_idev+0x102/0x170 [ 2636.871772][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.871772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.871772][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.871772][ T72] netlink_unicast+0x449/0x710 [ 2636.871772][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.871772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.871772][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.871772][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.871772][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.871772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.871772][ T72] [ 2636.873282][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2636.873282][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2636.873282][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2636.873282][ T72] ipv6_find_idev+0x102/0x170 [ 2636.873282][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.873282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.873282][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.873282][ T72] netlink_unicast+0x449/0x710 [ 2636.873282][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.873282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.873282][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.873282][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.873282][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.873282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.873282][ T72] [ 2636.875011][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2636.875354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2636.875354][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2636.875354][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2636.875354][ T72] fib6_nh_init+0xa22/0x1580 [ 2636.875354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.875354][ T72] ip6_route_add+0x1c/0x140 [ 2636.875354][ T72] inet6_rtm_newroute+0x104/0x110 [ 2636.875354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.875354][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.875354][ T72] netlink_unicast+0x449/0x710 [ 2636.875354][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.875354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.875354][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.875354][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.875354][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.875354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.875354][ T72] [ 2636.877398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2636.877398][ T72] dst_init+0x84/0x4a0 [ 2636.877398][ T72] dst_alloc+0x97/0x150 [ 2636.877398][ T72] ip6_dst_alloc+0x23/0x90 [ 2636.877398][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.877398][ T72] ip6_pol_route+0x56f/0x840 [ 2636.877398][ T72] fib6_rule_lookup+0x456/0x630 [ 2636.877398][ T72] ip6_route_input+0x59c/0xa50 [ 2636.877398][ T72] ipv6_rcv+0x397/0x810 [ 2636.877398][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2636.877398][ T72] process_backlog+0x101/0x620 [ 2636.877398][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2636.877398][ T72] net_rx_action+0x495/0xbe0 [ 2636.877398][ T72] __do_softirq+0x1b5/0x7f6 [ 2636.877398][ T72] [ 2636.879261][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2636.879261][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.879261][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.879261][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.879261][ T72] ip6_route_add+0x1c/0x140 [ 2636.879261][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2636.879261][ T72] inet6_addr_add+0x4f8/0xa40 [ 2636.879261][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.879261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.879261][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.879261][ T72] netlink_unicast+0x449/0x710 [ 2636.879261][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.879261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.879261][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.879261][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.879261][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.879261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.879261][ T72] [ 2636.881399][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2636.881399][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.881399][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.881399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.881399][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2636.881399][ T72] ipv6_add_addr+0x411/0x2000 [ 2636.881399][ T72] inet6_addr_add+0x30e/0xa40 [ 2636.881399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.881399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.881399][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.881399][ T72] netlink_unicast+0x449/0x710 [ 2636.881399][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.881399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.881399][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.881399][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.881399][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.881399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.881399][ T72] [ 2636.883608][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2636.883608][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.883608][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.883608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.883608][ T72] ip6_route_add+0x1c/0x140 [ 2636.883608][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2636.883608][ T72] addrconf_add_dev+0xe2/0x170 [ 2636.883608][ T72] inet6_addr_add+0x12f/0xa40 [ 2636.883608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.883608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.883608][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.883608][ T72] netlink_unicast+0x449/0x710 [ 2636.883608][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.883608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.883608][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.883608][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.883608][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.883608][ T72] [ 2636.886399][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2636.886399][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2636.886399][ T72] ipv6_find_idev+0x102/0x170 [ 2636.886399][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.886399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.886399][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.886399][ T72] netlink_unicast+0x449/0x710 [ 2636.886399][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.886399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.886399][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.886399][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.886399][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.886399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.886399][ T72] [ 2636.888106][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2636.888106][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2636.888106][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2636.888106][ T72] ipv6_find_idev+0x102/0x170 [ 2636.888106][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.888106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.888106][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.888106][ T72] netlink_unicast+0x449/0x710 [ 2636.888106][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.888106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.888106][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.888106][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.888106][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.888106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.888106][ T72] [ 2636.889954][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2636.890277][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2636.890277][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.890277][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.890277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.890277][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2636.890277][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2636.890277][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2636.890277][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2636.890277][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2636.890277][ T72] addrconf_dad_begin+0x310/0x670 [ 2636.890277][ T72] addrconf_dad_work+0x10b/0xab0 [ 2636.890277][ T72] process_one_work+0x84d/0x18a0 [ 2636.890277][ T72] worker_thread+0x587/0xd30 [ 2636.890277][ T72] kthread+0x28a/0x350 [ 2636.890277][ T72] ret_from_fork+0x31/0x70 [ 2636.890277][ T72] ret_from_fork_asm+0x1a/0x30 [ 2636.890277][ T72] [ 2636.892351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2636.892351][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.892351][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.892351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.892351][ T72] ip6_route_add+0x1c/0x140 [ 2636.892351][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2636.892351][ T72] inet6_addr_add+0x4f8/0xa40 [ 2636.892351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.892351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.892351][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.892351][ T72] netlink_unicast+0x449/0x710 [ 2636.892351][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.892351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.892351][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.892351][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.892351][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.892351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.892351][ T72] [ 2636.894961][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2636.894961][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.894961][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.894961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.894961][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2636.894961][ T72] ipv6_add_addr+0x411/0x2000 [ 2636.894961][ T72] inet6_addr_add+0x30e/0xa40 [ 2636.894961][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.894961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.894961][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.894961][ T72] netlink_unicast+0x449/0x710 [ 2636.894961][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.894961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.894961][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.894961][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.894961][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.894961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.894961][ T72] [ 2636.897254][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2636.897254][ T72] netdev_get_by_index+0x5e/0x80 [ 2636.897254][ T72] fib6_nh_init+0x3d8/0x1580 [ 2636.897254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2636.897254][ T72] ip6_route_add+0x1c/0x140 [ 2636.897254][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2636.897254][ T72] addrconf_add_dev+0xe2/0x170 [ 2636.897254][ T72] inet6_addr_add+0x12f/0xa40 [ 2636.897254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.897254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.897254][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.897254][ T72] netlink_unicast+0x449/0x710 [ 2636.897254][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.897254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.897254][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.897254][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.897254][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.897254][ T72] [ 2636.899451][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2636.899451][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2636.899451][ T72] ipv6_find_idev+0x102/0x170 [ 2636.899451][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.899451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.899451][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.899451][ T72] netlink_unicast+0x449/0x710 [ 2636.899451][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.899451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.899451][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.899451][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.899451][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.899451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.899451][ T72] [ 2636.901131][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2636.901131][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2636.901131][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2636.901131][ T72] ipv6_find_idev+0x102/0x170 [ 2636.901131][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.901131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.901131][ T72] netlink_rcv_skb+0x130/0x360 [ 2636.901131][ T72] netlink_unicast+0x449/0x710 [ 2636.901131][ T72] netlink_sendmsg+0x723/0xbe0 [ 2636.901131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2636.901131][ T72] ___sys_sendmsg+0xee/0x170 [ 2636.901131][ T72] __sys_sendmsg+0xcd/0x170 [ 2636.901131][ T72] do_syscall_64+0xc6/0x1e0 [ 2636.901131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.901131][ T72] [ 2647.144980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2647.145591][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2647.145591][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2647.145591][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2647.145591][ T72] fib6_nh_init+0xa22/0x1580 [ 2647.145591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.145591][ T72] ip6_route_add+0x1c/0x140 [ 2647.145591][ T72] inet6_rtm_newroute+0x104/0x110 [ 2647.145591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.145591][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.145591][ T72] netlink_unicast+0x449/0x710 [ 2647.145591][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.145591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.145591][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.145591][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.145591][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.145591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.145591][ T72] [ 2647.147474][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2647.147474][ T72] dst_init+0x84/0x4a0 [ 2647.147474][ T72] dst_alloc+0x97/0x150 [ 2647.147474][ T72] ip6_dst_alloc+0x23/0x90 [ 2647.147474][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2647.147474][ T72] ip6_pol_route+0x56f/0x840 [ 2647.147474][ T72] fib6_rule_lookup+0x456/0x630 [ 2647.147474][ T72] ip6_route_input+0x59c/0xa50 [ 2647.147474][ T72] ipv6_rcv+0x397/0x810 [ 2647.147474][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2647.147474][ T72] process_backlog+0x101/0x620 [ 2647.147474][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2647.147474][ T72] net_rx_action+0x495/0xbe0 [ 2647.147474][ T72] __do_softirq+0x1b5/0x7f6 [ 2647.147474][ T72] [ 2647.149064][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2647.149064][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.149064][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.149064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.149064][ T72] ip6_route_add+0x1c/0x140 [ 2647.149064][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2647.149064][ T72] inet6_addr_add+0x4f8/0xa40 [ 2647.149064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.149064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.149064][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.149064][ T72] netlink_unicast+0x449/0x710 [ 2647.149064][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.149064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.149064][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.149064][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.149064][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.149064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.149064][ T72] [ 2647.150995][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2647.150995][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.150995][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.150995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.150995][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2647.150995][ T72] ipv6_add_addr+0x411/0x2000 [ 2647.150995][ T72] inet6_addr_add+0x30e/0xa40 [ 2647.150995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.150995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.150995][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.150995][ T72] netlink_unicast+0x449/0x710 [ 2647.150995][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.150995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.150995][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.150995][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.150995][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.150995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.150995][ T72] [ 2647.152919][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2647.152919][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.152919][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.152919][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.152919][ T72] ip6_route_add+0x1c/0x140 [ 2647.152919][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2647.152919][ T72] addrconf_add_dev+0xe2/0x170 [ 2647.152919][ T72] inet6_addr_add+0x12f/0xa40 [ 2647.152919][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.152919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.152919][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.152919][ T72] netlink_unicast+0x449/0x710 [ 2647.152919][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.152919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.152919][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.152919][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.152919][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.152919][ T72] [ 2647.154815][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2647.154815][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2647.154815][ T72] ipv6_find_idev+0x102/0x170 [ 2647.154815][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2647.154815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.154815][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.154815][ T72] netlink_unicast+0x449/0x710 [ 2647.154815][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.154815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.154815][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.154815][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.154815][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.154815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.154815][ T72] [ 2647.156359][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2647.156359][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2647.156359][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2647.156359][ T72] ipv6_find_idev+0x102/0x170 [ 2647.156359][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2647.156359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.156359][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.156359][ T72] netlink_unicast+0x449/0x710 [ 2647.156359][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.156359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.156359][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.156359][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.156359][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.156359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.156359][ T72] [ 2647.158052][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2647.158321][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2647.158321][ T72] dst_init+0x84/0x4a0 [ 2647.158321][ T72] dst_alloc+0x97/0x150 [ 2647.158321][ T72] ip6_dst_alloc+0x23/0x90 [ 2647.158321][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2647.158321][ T72] ip6_pol_route+0x56f/0x840 [ 2647.158321][ T72] fib6_rule_lookup+0x456/0x630 [ 2647.158321][ T72] ip6_route_input+0x59c/0xa50 [ 2647.158321][ T72] ipv6_rcv+0x397/0x810 [ 2647.158321][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2647.158321][ T72] process_backlog+0x101/0x620 [ 2647.158321][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2647.158321][ T72] net_rx_action+0x495/0xbe0 [ 2647.158321][ T72] __do_softirq+0x1b5/0x7f6 [ 2647.158321][ T72] [ 2647.159944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2647.159944][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.159944][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.159944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.159944][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2647.159944][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2647.159944][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2647.159944][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2647.159944][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2647.159944][ T72] addrconf_dad_begin+0x310/0x670 [ 2647.159944][ T72] addrconf_dad_work+0x10b/0xab0 [ 2647.159944][ T72] process_one_work+0x84d/0x18a0 [ 2647.159944][ T72] worker_thread+0x587/0xd30 [ 2647.159944][ T72] kthread+0x28a/0x350 [ 2647.159944][ T72] ret_from_fork+0x31/0x70 [ 2647.159944][ T72] ret_from_fork_asm+0x1a/0x30 [ 2647.159944][ T72] [ 2647.162219][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2647.162219][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.162219][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.162219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.162219][ T72] ip6_route_add+0x1c/0x140 [ 2647.162219][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2647.162219][ T72] inet6_addr_add+0x4f8/0xa40 [ 2647.162219][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.162219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.162219][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.162219][ T72] netlink_unicast+0x449/0x710 [ 2647.162219][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.162219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.162219][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.162219][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.162219][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.162219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.162219][ T72] [ 2647.164155][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2647.164155][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.164155][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.164155][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.164155][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2647.164155][ T72] ipv6_add_addr+0x411/0x2000 [ 2647.164155][ T72] inet6_addr_add+0x30e/0xa40 [ 2647.164155][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.164155][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.164155][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.164155][ T72] netlink_unicast+0x449/0x710 [ 2647.164155][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.164155][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.164155][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.164155][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.164155][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.164155][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.164155][ T72] [ 2647.166152][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2647.166152][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.166152][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.166152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.166152][ T72] ip6_route_add+0x1c/0x140 [ 2647.166152][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2647.166152][ T72] addrconf_add_dev+0xe2/0x170 [ 2647.166152][ T72] inet6_addr_add+0x12f/0xa40 [ 2647.166152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.166152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.166152][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.166152][ T72] netlink_unicast+0x449/0x710 [ 2647.166152][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.166152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.166152][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.166152][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.166152][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.166152][ T72] [ 2647.168107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2647.168107][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2647.168107][ T72] ipv6_find_idev+0x102/0x170 [ 2647.168107][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2647.168107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.168107][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.168107][ T72] netlink_unicast+0x449/0x710 [ 2647.168107][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.168107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.168107][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.168107][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.168107][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.168107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.168107][ T72] [ 2647.169634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2647.169634][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2647.169634][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2647.169634][ T72] ipv6_find_idev+0x102/0x170 [ 2647.169634][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2647.169634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.169634][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.169634][ T72] netlink_unicast+0x449/0x710 [ 2647.169634][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.169634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.169634][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.169634][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.169634][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.169634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.169634][ T72] [ 2647.171363][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2647.171692][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2647.171692][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2647.171692][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2647.171692][ T72] fib6_nh_init+0xa22/0x1580 [ 2647.171692][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.171692][ T72] ip6_route_add+0x1c/0x140 [ 2647.171692][ T72] inet6_rtm_newroute+0x104/0x110 [ 2647.171692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.171692][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.171692][ T72] netlink_unicast+0x449/0x710 [ 2647.171692][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.171692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.171692][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.171692][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.171692][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.171692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.171692][ T72] [ 2647.173733][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2647.173733][ T72] dst_init+0x84/0x4a0 [ 2647.173733][ T72] dst_alloc+0x97/0x150 [ 2647.173733][ T72] ip6_dst_alloc+0x23/0x90 [ 2647.173733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2647.173733][ T72] ip6_pol_route+0x56f/0x840 [ 2647.173733][ T72] fib6_rule_lookup+0x456/0x630 [ 2647.173733][ T72] ip6_route_input+0x59c/0xa50 [ 2647.173733][ T72] ipv6_rcv+0x397/0x810 [ 2647.173733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2647.173733][ T72] process_backlog+0x101/0x620 [ 2647.173733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2647.173733][ T72] net_rx_action+0x495/0xbe0 [ 2647.173733][ T72] __do_softirq+0x1b5/0x7f6 [ 2647.173733][ T72] [ 2647.175593][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2647.175593][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.175593][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.175593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.175593][ T72] ip6_route_add+0x1c/0x140 [ 2647.175593][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2647.175593][ T72] inet6_addr_add+0x4f8/0xa40 [ 2647.175593][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.175593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.175593][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.175593][ T72] netlink_unicast+0x449/0x710 [ 2647.175593][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.175593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.175593][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.175593][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.175593][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.175593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.175593][ T72] [ 2647.177776][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2647.177776][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.177776][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.177776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.177776][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2647.177776][ T72] ipv6_add_addr+0x411/0x2000 [ 2647.177776][ T72] inet6_addr_add+0x30e/0xa40 [ 2647.177776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.177776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.177776][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.177776][ T72] netlink_unicast+0x449/0x710 [ 2647.177776][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.177776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.177776][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.177776][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.177776][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.177776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.177776][ T72] [ 2647.179988][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2647.179988][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.179988][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.179988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.179988][ T72] ip6_route_add+0x1c/0x140 [ 2647.179988][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2647.179988][ T72] addrconf_add_dev+0xe2/0x170 [ 2647.179988][ T72] inet6_addr_add+0x12f/0xa40 [ 2647.179988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.179988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.179988][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.179988][ T72] netlink_unicast+0x449/0x710 [ 2647.179988][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.179988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.179988][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.179988][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.179988][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.179988][ T72] [ 2647.182280][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2647.182280][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2647.182280][ T72] ipv6_find_idev+0x102/0x170 [ 2647.182280][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2647.182280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.182280][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.182280][ T72] netlink_unicast+0x449/0x710 [ 2647.182280][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.182280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.182280][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.182280][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.182280][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.182280][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.182280][ T72] [ 2647.183995][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2647.183995][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2647.183995][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2647.183995][ T72] ipv6_find_idev+0x102/0x170 [ 2647.183995][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2647.183995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.183995][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.183995][ T72] netlink_unicast+0x449/0x710 [ 2647.183995][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.183995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.183995][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.183995][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.183995][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.183995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.183995][ T72] [ 2647.185864][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2647.186200][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2647.186200][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.186200][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.186200][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.186200][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2647.186200][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2647.186200][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2647.186200][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2647.186200][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2647.186200][ T72] addrconf_dad_begin+0x310/0x670 [ 2647.186200][ T72] addrconf_dad_work+0x10b/0xab0 [ 2647.186200][ T72] process_one_work+0x84d/0x18a0 [ 2647.186200][ T72] worker_thread+0x587/0xd30 [ 2647.186200][ T72] kthread+0x28a/0x350 [ 2647.186200][ T72] ret_from_fork+0x31/0x70 [ 2647.186200][ T72] ret_from_fork_asm+0x1a/0x30 [ 2647.186200][ T72] [ 2647.188261][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2647.188261][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.188261][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.188261][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.188261][ T72] ip6_route_add+0x1c/0x140 [ 2647.188261][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2647.188261][ T72] inet6_addr_add+0x4f8/0xa40 [ 2647.188261][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.188261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.188261][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.188261][ T72] netlink_unicast+0x449/0x710 [ 2647.188261][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.188261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.188261][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.188261][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.188261][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.188261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.188261][ T72] [ 2647.190425][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2647.190425][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.190425][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.190425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.190425][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2647.190425][ T72] ipv6_add_addr+0x411/0x2000 [ 2647.190425][ T72] inet6_addr_add+0x30e/0xa40 [ 2647.190425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.190425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.190425][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.190425][ T72] netlink_unicast+0x449/0x710 [ 2647.190425][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.190425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.190425][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.190425][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.190425][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.190425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.190425][ T72] [ 2647.192734][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2647.192734][ T72] netdev_get_by_index+0x5e/0x80 [ 2647.192734][ T72] fib6_nh_init+0x3d8/0x1580 [ 2647.192734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2647.192734][ T72] ip6_route_add+0x1c/0x140 [ 2647.192734][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2647.192734][ T72] addrconf_add_dev+0xe2/0x170 [ 2647.192734][ T72] inet6_addr_add+0x12f/0xa40 [ 2647.192734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2647.192734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.192734][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.192734][ T72] netlink_unicast+0x449/0x710 [ 2647.192734][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.192734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.192734][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.192734][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.192734][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.192734][ T72] [ 2647.194916][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2647.194916][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2647.194916][ T72] ipv6_find_idev+0x102/0x170 [ 2647.194916][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2647.194916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.194916][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.194916][ T72] netlink_unicast+0x449/0x710 [ 2647.194916][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.194916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.194916][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.194916][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.194916][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.194916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.194916][ T72] [ 2647.196652][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2647.196652][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2647.196652][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2647.196652][ T72] ipv6_find_idev+0x102/0x170 [ 2647.196652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2647.196652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2647.196652][ T72] netlink_rcv_skb+0x130/0x360 [ 2647.196652][ T72] netlink_unicast+0x449/0x710 [ 2647.196652][ T72] netlink_sendmsg+0x723/0xbe0 [ 2647.196652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2647.196652][ T72] ___sys_sendmsg+0xee/0x170 [ 2647.196652][ T72] __sys_sendmsg+0xcd/0x170 [ 2647.196652][ T72] do_syscall_64+0xc6/0x1e0 [ 2647.196652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2647.196652][ T72] [ 2657.440983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2657.441556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2657.441556][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2657.441556][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2657.441556][ T72] fib6_nh_init+0xa22/0x1580 [ 2657.441556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.441556][ T72] ip6_route_add+0x1c/0x140 [ 2657.441556][ T72] inet6_rtm_newroute+0x104/0x110 [ 2657.441556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.441556][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.441556][ T72] netlink_unicast+0x449/0x710 [ 2657.441556][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.441556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.441556][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.441556][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.441556][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.441556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.441556][ T72] [ 2657.443454][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2657.443454][ T72] dst_init+0x84/0x4a0 [ 2657.443454][ T72] dst_alloc+0x97/0x150 [ 2657.443454][ T72] ip6_dst_alloc+0x23/0x90 [ 2657.443454][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2657.443454][ T72] ip6_pol_route+0x56f/0x840 [ 2657.443454][ T72] fib6_rule_lookup+0x456/0x630 [ 2657.443454][ T72] ip6_route_input+0x59c/0xa50 [ 2657.443454][ T72] ipv6_rcv+0x397/0x810 [ 2657.443454][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2657.443454][ T72] process_backlog+0x101/0x620 [ 2657.443454][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2657.443454][ T72] net_rx_action+0x495/0xbe0 [ 2657.443454][ T72] __do_softirq+0x1b5/0x7f6 [ 2657.443454][ T72] [ 2657.445062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2657.445062][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.445062][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.445062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.445062][ T72] ip6_route_add+0x1c/0x140 [ 2657.445062][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2657.445062][ T72] inet6_addr_add+0x4f8/0xa40 [ 2657.445062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.445062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.445062][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.445062][ T72] netlink_unicast+0x449/0x710 [ 2657.445062][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.445062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.445062][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.445062][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.445062][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.445062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.445062][ T72] [ 2657.446999][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2657.446999][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.446999][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.446999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.446999][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2657.446999][ T72] ipv6_add_addr+0x411/0x2000 [ 2657.446999][ T72] inet6_addr_add+0x30e/0xa40 [ 2657.446999][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.446999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.446999][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.446999][ T72] netlink_unicast+0x449/0x710 [ 2657.446999][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.446999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.446999][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.446999][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.446999][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.446999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.446999][ T72] [ 2657.449059][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2657.449059][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.449059][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.449059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.449059][ T72] ip6_route_add+0x1c/0x140 [ 2657.449059][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2657.449059][ T72] addrconf_add_dev+0xe2/0x170 [ 2657.449059][ T72] inet6_addr_add+0x12f/0xa40 [ 2657.449059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.449059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.449059][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.449059][ T72] netlink_unicast+0x449/0x710 [ 2657.449059][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.449059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.449059][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.449059][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.449059][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.449059][ T72] [ 2657.451004][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2657.451004][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2657.451004][ T72] ipv6_find_idev+0x102/0x170 [ 2657.451004][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.451004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.451004][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.451004][ T72] netlink_unicast+0x449/0x710 [ 2657.451004][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.451004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.451004][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.451004][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.451004][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.451004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.451004][ T72] [ 2657.452516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2657.452516][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2657.452516][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2657.452516][ T72] ipv6_find_idev+0x102/0x170 [ 2657.452516][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.452516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.452516][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.452516][ T72] netlink_unicast+0x449/0x710 [ 2657.452516][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.452516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.452516][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.452516][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.452516][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.452516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.452516][ T72] [ 2657.454234][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2657.454509][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2657.454509][ T72] dst_init+0x84/0x4a0 [ 2657.454509][ T72] dst_alloc+0x97/0x150 [ 2657.454509][ T72] ip6_dst_alloc+0x23/0x90 [ 2657.454509][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2657.454509][ T72] ip6_pol_route+0x56f/0x840 [ 2657.454509][ T72] fib6_rule_lookup+0x456/0x630 [ 2657.454509][ T72] ip6_route_input+0x59c/0xa50 [ 2657.454509][ T72] ipv6_rcv+0x397/0x810 [ 2657.454509][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2657.454509][ T72] process_backlog+0x101/0x620 [ 2657.454509][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2657.454509][ T72] net_rx_action+0x495/0xbe0 [ 2657.454509][ T72] __do_softirq+0x1b5/0x7f6 [ 2657.454509][ T72] [ 2657.456166][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2657.456166][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.456166][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.456166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.456166][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2657.456166][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2657.456166][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2657.456166][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2657.456166][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2657.456166][ T72] addrconf_dad_begin+0x310/0x670 [ 2657.456166][ T72] addrconf_dad_work+0x10b/0xab0 [ 2657.456166][ T72] process_one_work+0x84d/0x18a0 [ 2657.456166][ T72] worker_thread+0x587/0xd30 [ 2657.456166][ T72] kthread+0x28a/0x350 [ 2657.456166][ T72] ret_from_fork+0x31/0x70 [ 2657.456166][ T72] ret_from_fork_asm+0x1a/0x30 [ 2657.456166][ T72] [ 2657.458125][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2657.458125][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.458125][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.458125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.458125][ T72] ip6_route_add+0x1c/0x140 [ 2657.458125][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2657.458125][ T72] inet6_addr_add+0x4f8/0xa40 [ 2657.458125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.458125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.458125][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.458125][ T72] netlink_unicast+0x449/0x710 [ 2657.458125][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.458125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.458125][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.458125][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.458125][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.458125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.458125][ T72] [ 2657.460152][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2657.460152][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.460152][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.460152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.460152][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2657.460152][ T72] ipv6_add_addr+0x411/0x2000 [ 2657.460152][ T72] inet6_addr_add+0x30e/0xa40 [ 2657.460152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.460152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.460152][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.460152][ T72] netlink_unicast+0x449/0x710 [ 2657.460152][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.460152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.460152][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.460152][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.460152][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.460152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.460152][ T72] [ 2657.462203][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2657.462203][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.462203][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.462203][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.462203][ T72] ip6_route_add+0x1c/0x140 [ 2657.462203][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2657.462203][ T72] addrconf_add_dev+0xe2/0x170 [ 2657.462203][ T72] inet6_addr_add+0x12f/0xa40 [ 2657.462203][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.462203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.462203][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.462203][ T72] netlink_unicast+0x449/0x710 [ 2657.462203][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.462203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.462203][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.462203][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.462203][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.462203][ T72] [ 2657.464158][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2657.464158][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2657.464158][ T72] ipv6_find_idev+0x102/0x170 [ 2657.464158][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.464158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.464158][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.464158][ T72] netlink_unicast+0x449/0x710 [ 2657.464158][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.464158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.464158][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.464158][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.464158][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.464158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.464158][ T72] [ 2657.465719][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2657.465719][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2657.465719][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2657.465719][ T72] ipv6_find_idev+0x102/0x170 [ 2657.465719][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.465719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.465719][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.465719][ T72] netlink_unicast+0x449/0x710 [ 2657.465719][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.465719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.465719][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.465719][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.465719][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.465719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.465719][ T72] [ 2657.467537][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2657.467834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2657.467834][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2657.467834][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2657.467834][ T72] fib6_nh_init+0xa22/0x1580 [ 2657.467834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.467834][ T72] ip6_route_add+0x1c/0x140 [ 2657.467834][ T72] inet6_rtm_newroute+0x104/0x110 [ 2657.467834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.467834][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.467834][ T72] netlink_unicast+0x449/0x710 [ 2657.467834][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.467834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.467834][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.467834][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.467834][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.467834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.467834][ T72] [ 2657.470006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2657.470006][ T72] dst_init+0x84/0x4a0 [ 2657.470006][ T72] dst_alloc+0x97/0x150 [ 2657.470006][ T72] ip6_dst_alloc+0x23/0x90 [ 2657.470006][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2657.470006][ T72] ip6_pol_route+0x56f/0x840 [ 2657.470006][ T72] fib6_rule_lookup+0x456/0x630 [ 2657.470006][ T72] ip6_route_input+0x59c/0xa50 [ 2657.470006][ T72] ipv6_rcv+0x397/0x810 [ 2657.470006][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2657.470006][ T72] process_backlog+0x101/0x620 [ 2657.470006][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2657.470006][ T72] net_rx_action+0x495/0xbe0 [ 2657.470006][ T72] __do_softirq+0x1b5/0x7f6 [ 2657.470006][ T72] [ 2657.471854][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2657.471854][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.471854][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.471854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.471854][ T72] ip6_route_add+0x1c/0x140 [ 2657.471854][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2657.471854][ T72] inet6_addr_add+0x4f8/0xa40 [ 2657.471854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.471854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.471854][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.471854][ T72] netlink_unicast+0x449/0x710 [ 2657.471854][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.471854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.471854][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.471854][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.471854][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.471854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.471854][ T72] [ 2657.474064][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2657.474064][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.474064][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.474064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.474064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2657.474064][ T72] ipv6_add_addr+0x411/0x2000 [ 2657.474064][ T72] inet6_addr_add+0x30e/0xa40 [ 2657.474064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.474064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.474064][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.474064][ T72] netlink_unicast+0x449/0x710 [ 2657.474064][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.474064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.474064][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.474064][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.474064][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.474064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.474064][ T72] [ 2657.476252][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2657.476252][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.476252][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.476252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.476252][ T72] ip6_route_add+0x1c/0x140 [ 2657.476252][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2657.476252][ T72] addrconf_add_dev+0xe2/0x170 [ 2657.476252][ T72] inet6_addr_add+0x12f/0xa40 [ 2657.476252][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.476252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.476252][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.476252][ T72] netlink_unicast+0x449/0x710 [ 2657.476252][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.476252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.476252][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.476252][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.476252][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.476252][ T72] [ 2657.478467][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2657.478467][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2657.478467][ T72] ipv6_find_idev+0x102/0x170 [ 2657.478467][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.478467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.478467][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.478467][ T72] netlink_unicast+0x449/0x710 [ 2657.478467][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.478467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.478467][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.478467][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.478467][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.478467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.478467][ T72] [ 2657.480144][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2657.480144][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2657.480144][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2657.480144][ T72] ipv6_find_idev+0x102/0x170 [ 2657.480144][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.480144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.480144][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.480144][ T72] netlink_unicast+0x449/0x710 [ 2657.480144][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.480144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.480144][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.480144][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.480144][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.480144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.480144][ T72] [ 2657.481975][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2657.482339][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2657.482339][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.482339][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.482339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.482339][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2657.482339][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2657.482339][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2657.482339][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2657.482339][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2657.482339][ T72] addrconf_dad_begin+0x310/0x670 [ 2657.482339][ T72] addrconf_dad_work+0x10b/0xab0 [ 2657.482339][ T72] process_one_work+0x84d/0x18a0 [ 2657.482339][ T72] worker_thread+0x587/0xd30 [ 2657.482339][ T72] kthread+0x28a/0x350 [ 2657.482339][ T72] ret_from_fork+0x31/0x70 [ 2657.482339][ T72] ret_from_fork_asm+0x1a/0x30 [ 2657.482339][ T72] [ 2657.484433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2657.484433][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.484433][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.484433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.484433][ T72] ip6_route_add+0x1c/0x140 [ 2657.484433][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2657.484433][ T72] inet6_addr_add+0x4f8/0xa40 [ 2657.484433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.484433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.484433][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.484433][ T72] netlink_unicast+0x449/0x710 [ 2657.484433][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.484433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.484433][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.484433][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.484433][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.484433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.484433][ T72] [ 2657.486700][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2657.486700][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.486700][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.486700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.486700][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2657.486700][ T72] ipv6_add_addr+0x411/0x2000 [ 2657.486700][ T72] inet6_addr_add+0x30e/0xa40 [ 2657.486700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.486700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.486700][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.486700][ T72] netlink_unicast+0x449/0x710 [ 2657.486700][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.486700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.486700][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.486700][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.486700][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.486700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.486700][ T72] [ 2657.488962][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2657.488962][ T72] netdev_get_by_index+0x5e/0x80 [ 2657.488962][ T72] fib6_nh_init+0x3d8/0x1580 [ 2657.488962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2657.488962][ T72] ip6_route_add+0x1c/0x140 [ 2657.488962][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2657.488962][ T72] addrconf_add_dev+0xe2/0x170 [ 2657.488962][ T72] inet6_addr_add+0x12f/0xa40 [ 2657.488962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.488962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.488962][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.488962][ T72] netlink_unicast+0x449/0x710 [ 2657.488962][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.488962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.488962][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.488962][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.488962][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.488962][ T72] [ 2657.491158][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2657.491158][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2657.491158][ T72] ipv6_find_idev+0x102/0x170 [ 2657.491158][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.491158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.491158][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.491158][ T72] netlink_unicast+0x449/0x710 [ 2657.491158][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.491158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.491158][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.491158][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.491158][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.491158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.491158][ T72] [ 2657.492841][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2657.492841][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2657.492841][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2657.492841][ T72] ipv6_find_idev+0x102/0x170 [ 2657.492841][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.492841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.492841][ T72] netlink_rcv_skb+0x130/0x360 [ 2657.492841][ T72] netlink_unicast+0x449/0x710 [ 2657.492841][ T72] netlink_sendmsg+0x723/0xbe0 [ 2657.492841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2657.492841][ T72] ___sys_sendmsg+0xee/0x170 [ 2657.492841][ T72] __sys_sendmsg+0xcd/0x170 [ 2657.492841][ T72] do_syscall_64+0xc6/0x1e0 [ 2657.492841][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.492841][ T72] [ 2667.817111][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2667.817680][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2667.817680][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2667.817680][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2667.817680][ T72] fib6_nh_init+0xa22/0x1580 [ 2667.817680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.817680][ T72] ip6_route_add+0x1c/0x140 [ 2667.817680][ T72] inet6_rtm_newroute+0x104/0x110 [ 2667.817680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.817680][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.817680][ T72] netlink_unicast+0x449/0x710 [ 2667.817680][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.817680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.817680][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.817680][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.817680][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.817680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.817680][ T72] [ 2667.819521][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2667.819521][ T72] dst_init+0x84/0x4a0 [ 2667.819521][ T72] dst_alloc+0x97/0x150 [ 2667.819521][ T72] ip6_dst_alloc+0x23/0x90 [ 2667.819521][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2667.819521][ T72] ip6_pol_route+0x56f/0x840 [ 2667.819521][ T72] fib6_rule_lookup+0x456/0x630 [ 2667.819521][ T72] ip6_route_input+0x59c/0xa50 [ 2667.819521][ T72] ipv6_rcv+0x397/0x810 [ 2667.819521][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2667.819521][ T72] process_backlog+0x101/0x620 [ 2667.819521][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2667.819521][ T72] net_rx_action+0x495/0xbe0 [ 2667.819521][ T72] __do_softirq+0x1b5/0x7f6 [ 2667.819521][ T72] [ 2667.821681][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2667.821681][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.821681][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.821681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.821681][ T72] ip6_route_add+0x1c/0x140 [ 2667.821681][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2667.821681][ T72] inet6_addr_add+0x4f8/0xa40 [ 2667.821681][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.821681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.821681][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.821681][ T72] netlink_unicast+0x449/0x710 [ 2667.821681][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.821681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.821681][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.821681][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.821681][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.821681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.821681][ T72] [ 2667.823663][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2667.823663][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.823663][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.823663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.823663][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2667.823663][ T72] ipv6_add_addr+0x411/0x2000 [ 2667.823663][ T72] inet6_addr_add+0x30e/0xa40 [ 2667.823663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.823663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.823663][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.823663][ T72] netlink_unicast+0x449/0x710 [ 2667.823663][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.823663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.823663][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.823663][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.823663][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.823663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.823663][ T72] [ 2667.825655][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2667.825655][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.825655][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.825655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.825655][ T72] ip6_route_add+0x1c/0x140 [ 2667.825655][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2667.825655][ T72] addrconf_add_dev+0xe2/0x170 [ 2667.825655][ T72] inet6_addr_add+0x12f/0xa40 [ 2667.825655][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.825655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.825655][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.825655][ T72] netlink_unicast+0x449/0x710 [ 2667.825655][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.825655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.825655][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.825655][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.825655][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.825655][ T72] [ 2667.827607][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2667.827607][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2667.827607][ T72] ipv6_find_idev+0x102/0x170 [ 2667.827607][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.827607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.827607][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.827607][ T72] netlink_unicast+0x449/0x710 [ 2667.827607][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.827607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.827607][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.827607][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.827607][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.827607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.827607][ T72] [ 2667.829101][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2667.829101][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2667.829101][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2667.829101][ T72] ipv6_find_idev+0x102/0x170 [ 2667.829101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.829101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.829101][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.829101][ T72] netlink_unicast+0x449/0x710 [ 2667.829101][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.829101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.829101][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.829101][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.829101][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.829101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.829101][ T72] [ 2667.830738][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2667.831027][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2667.831027][ T72] dst_init+0x84/0x4a0 [ 2667.831027][ T72] dst_alloc+0x97/0x150 [ 2667.831027][ T72] ip6_dst_alloc+0x23/0x90 [ 2667.831027][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2667.831027][ T72] ip6_pol_route+0x56f/0x840 [ 2667.831027][ T72] fib6_rule_lookup+0x456/0x630 [ 2667.831027][ T72] ip6_route_input+0x59c/0xa50 [ 2667.831027][ T72] ipv6_rcv+0x397/0x810 [ 2667.831027][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2667.831027][ T72] process_backlog+0x101/0x620 [ 2667.831027][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2667.831027][ T72] net_rx_action+0x495/0xbe0 [ 2667.831027][ T72] __do_softirq+0x1b5/0x7f6 [ 2667.831027][ T72] [ 2667.832666][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2667.832666][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.832666][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.832666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.832666][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2667.832666][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2667.832666][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2667.832666][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2667.832666][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2667.832666][ T72] addrconf_dad_begin+0x310/0x670 [ 2667.832666][ T72] addrconf_dad_work+0x10b/0xab0 [ 2667.832666][ T72] process_one_work+0x84d/0x18a0 [ 2667.832666][ T72] worker_thread+0x587/0xd30 [ 2667.832666][ T72] kthread+0x28a/0x350 [ 2667.832666][ T72] ret_from_fork+0x31/0x70 [ 2667.832666][ T72] ret_from_fork_asm+0x1a/0x30 [ 2667.832666][ T72] [ 2667.834541][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2667.834541][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.834541][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.834541][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.834541][ T72] ip6_route_add+0x1c/0x140 [ 2667.834541][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2667.834541][ T72] inet6_addr_add+0x4f8/0xa40 [ 2667.834541][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.834541][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.834541][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.834541][ T72] netlink_unicast+0x449/0x710 [ 2667.834541][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.834541][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.834541][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.834541][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.834541][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.834541][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.834541][ T72] [ 2667.836534][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2667.836534][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.836534][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.836534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.836534][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2667.836534][ T72] ipv6_add_addr+0x411/0x2000 [ 2667.836534][ T72] inet6_addr_add+0x30e/0xa40 [ 2667.836534][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.836534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.836534][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.836534][ T72] netlink_unicast+0x449/0x710 [ 2667.836534][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.836534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.836534][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.836534][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.836534][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.836534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.836534][ T72] [ 2667.838505][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2667.838505][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.838505][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.838505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.838505][ T72] ip6_route_add+0x1c/0x140 [ 2667.838505][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2667.838505][ T72] addrconf_add_dev+0xe2/0x170 [ 2667.838505][ T72] inet6_addr_add+0x12f/0xa40 [ 2667.838505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.838505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.838505][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.838505][ T72] netlink_unicast+0x449/0x710 [ 2667.838505][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.838505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.838505][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.838505][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.838505][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.838505][ T72] [ 2667.840792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2667.840792][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2667.840792][ T72] ipv6_find_idev+0x102/0x170 [ 2667.840792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.840792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.840792][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.840792][ T72] netlink_unicast+0x449/0x710 [ 2667.840792][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.840792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.840792][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.840792][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.840792][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.840792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.840792][ T72] [ 2667.842275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2667.842275][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2667.842275][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2667.842275][ T72] ipv6_find_idev+0x102/0x170 [ 2667.842275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.842275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.842275][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.842275][ T72] netlink_unicast+0x449/0x710 [ 2667.842275][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.842275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.842275][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.842275][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.842275][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.842275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.842275][ T72] [ 2667.844010][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2667.844289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2667.844289][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2667.844289][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2667.844289][ T72] fib6_nh_init+0xa22/0x1580 [ 2667.844289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.844289][ T72] ip6_route_add+0x1c/0x140 [ 2667.844289][ T72] inet6_rtm_newroute+0x104/0x110 [ 2667.844289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.844289][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.844289][ T72] netlink_unicast+0x449/0x710 [ 2667.844289][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.844289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.844289][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.844289][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.844289][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.844289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.844289][ T72] [ 2667.846387][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2667.846387][ T72] dst_init+0x84/0x4a0 [ 2667.846387][ T72] dst_alloc+0x97/0x150 [ 2667.846387][ T72] ip6_dst_alloc+0x23/0x90 [ 2667.846387][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2667.846387][ T72] ip6_pol_route+0x56f/0x840 [ 2667.846387][ T72] fib6_rule_lookup+0x456/0x630 [ 2667.846387][ T72] ip6_route_input+0x59c/0xa50 [ 2667.846387][ T72] ipv6_rcv+0x397/0x810 [ 2667.846387][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2667.846387][ T72] process_backlog+0x101/0x620 [ 2667.846387][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2667.846387][ T72] net_rx_action+0x495/0xbe0 [ 2667.846387][ T72] __do_softirq+0x1b5/0x7f6 [ 2667.846387][ T72] [ 2667.848252][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2667.848252][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.848252][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.848252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.848252][ T72] ip6_route_add+0x1c/0x140 [ 2667.848252][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2667.848252][ T72] inet6_addr_add+0x4f8/0xa40 [ 2667.848252][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.848252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.848252][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.848252][ T72] netlink_unicast+0x449/0x710 [ 2667.848252][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.848252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.848252][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.848252][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.848252][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.848252][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.848252][ T72] [ 2667.850435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2667.850435][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.850435][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.850435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.850435][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2667.850435][ T72] ipv6_add_addr+0x411/0x2000 [ 2667.850435][ T72] inet6_addr_add+0x30e/0xa40 [ 2667.850435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.850435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.850435][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.850435][ T72] netlink_unicast+0x449/0x710 [ 2667.850435][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.850435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.850435][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.850435][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.850435][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.850435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.850435][ T72] [ 2667.852677][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2667.852677][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.852677][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.852677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.852677][ T72] ip6_route_add+0x1c/0x140 [ 2667.852677][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2667.852677][ T72] addrconf_add_dev+0xe2/0x170 [ 2667.852677][ T72] inet6_addr_add+0x12f/0xa40 [ 2667.852677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.852677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.852677][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.852677][ T72] netlink_unicast+0x449/0x710 [ 2667.852677][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.852677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.852677][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.852677][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.852677][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.852677][ T72] [ 2667.854911][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2667.854911][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2667.854911][ T72] ipv6_find_idev+0x102/0x170 [ 2667.854911][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.854911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.854911][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.854911][ T72] netlink_unicast+0x449/0x710 [ 2667.854911][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.854911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.854911][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.854911][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.854911][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.854911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.854911][ T72] [ 2667.856628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2667.856628][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2667.856628][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2667.856628][ T72] ipv6_find_idev+0x102/0x170 [ 2667.856628][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.856628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.856628][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.856628][ T72] netlink_unicast+0x449/0x710 [ 2667.856628][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.856628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.856628][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.856628][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.856628][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.856628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.856628][ T72] [ 2667.858478][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2667.858827][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2667.858827][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.858827][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.858827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.858827][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2667.858827][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2667.858827][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2667.858827][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2667.858827][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2667.858827][ T72] addrconf_dad_begin+0x310/0x670 [ 2667.858827][ T72] addrconf_dad_work+0x10b/0xab0 [ 2667.858827][ T72] process_one_work+0x84d/0x18a0 [ 2667.858827][ T72] worker_thread+0x587/0xd30 [ 2667.858827][ T72] kthread+0x28a/0x350 [ 2667.858827][ T72] ret_from_fork+0x31/0x70 [ 2667.858827][ T72] ret_from_fork_asm+0x1a/0x30 [ 2667.858827][ T72] [ 2667.860898][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2667.860898][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.860898][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.860898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.860898][ T72] ip6_route_add+0x1c/0x140 [ 2667.860898][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2667.860898][ T72] inet6_addr_add+0x4f8/0xa40 [ 2667.860898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.860898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.860898][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.860898][ T72] netlink_unicast+0x449/0x710 [ 2667.860898][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.860898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.860898][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.860898][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.860898][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.860898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.860898][ T72] [ 2667.863116][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2667.863116][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.863116][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.863116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.863116][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2667.863116][ T72] ipv6_add_addr+0x411/0x2000 [ 2667.863116][ T72] inet6_addr_add+0x30e/0xa40 [ 2667.863116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.863116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.863116][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.863116][ T72] netlink_unicast+0x449/0x710 [ 2667.863116][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.863116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.863116][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.863116][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.863116][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.863116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.863116][ T72] [ 2667.865419][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2667.865419][ T72] netdev_get_by_index+0x5e/0x80 [ 2667.865419][ T72] fib6_nh_init+0x3d8/0x1580 [ 2667.865419][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2667.865419][ T72] ip6_route_add+0x1c/0x140 [ 2667.865419][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2667.865419][ T72] addrconf_add_dev+0xe2/0x170 [ 2667.865419][ T72] inet6_addr_add+0x12f/0xa40 [ 2667.865419][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.865419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.865419][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.865419][ T72] netlink_unicast+0x449/0x710 [ 2667.865419][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.865419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.865419][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.865419][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.865419][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.865419][ T72] [ 2667.867613][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2667.867613][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2667.867613][ T72] ipv6_find_idev+0x102/0x170 [ 2667.867613][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.867613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.867613][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.867613][ T72] netlink_unicast+0x449/0x710 [ 2667.867613][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.867613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.867613][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.867613][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.867613][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.867613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.867613][ T72] [ 2667.869328][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2667.869328][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2667.869328][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2667.869328][ T72] ipv6_find_idev+0x102/0x170 [ 2667.869328][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.869328][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.869328][ T72] netlink_rcv_skb+0x130/0x360 [ 2667.869328][ T72] netlink_unicast+0x449/0x710 [ 2667.869328][ T72] netlink_sendmsg+0x723/0xbe0 [ 2667.869328][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2667.869328][ T72] ___sys_sendmsg+0xee/0x170 [ 2667.869328][ T72] __sys_sendmsg+0xcd/0x170 [ 2667.869328][ T72] do_syscall_64+0xc6/0x1e0 [ 2667.869328][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.869328][ T72] [ 2678.120996][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2678.121543][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2678.121543][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2678.121543][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2678.121543][ T72] fib6_nh_init+0xa22/0x1580 [ 2678.121543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.121543][ T72] ip6_route_add+0x1c/0x140 [ 2678.121543][ T72] inet6_rtm_newroute+0x104/0x110 [ 2678.121543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.121543][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.121543][ T72] netlink_unicast+0x449/0x710 [ 2678.121543][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.121543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.121543][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.121543][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.121543][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.121543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.121543][ T72] [ 2678.123427][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2678.123427][ T72] dst_init+0x84/0x4a0 [ 2678.123427][ T72] dst_alloc+0x97/0x150 [ 2678.123427][ T72] ip6_dst_alloc+0x23/0x90 [ 2678.123427][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2678.123427][ T72] ip6_pol_route+0x56f/0x840 [ 2678.123427][ T72] fib6_rule_lookup+0x456/0x630 [ 2678.123427][ T72] ip6_route_input+0x59c/0xa50 [ 2678.123427][ T72] ipv6_rcv+0x397/0x810 [ 2678.123427][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2678.123427][ T72] process_backlog+0x101/0x620 [ 2678.123427][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2678.123427][ T72] net_rx_action+0x495/0xbe0 [ 2678.123427][ T72] __do_softirq+0x1b5/0x7f6 [ 2678.123427][ T72] [ 2678.125038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2678.125038][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.125038][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.125038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.125038][ T72] ip6_route_add+0x1c/0x140 [ 2678.125038][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2678.125038][ T72] inet6_addr_add+0x4f8/0xa40 [ 2678.125038][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.125038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.125038][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.125038][ T72] netlink_unicast+0x449/0x710 [ 2678.125038][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.125038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.125038][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.125038][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.125038][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.125038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.125038][ T72] [ 2678.127026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2678.127026][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.127026][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.127026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.127026][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2678.127026][ T72] ipv6_add_addr+0x411/0x2000 [ 2678.127026][ T72] inet6_addr_add+0x30e/0xa40 [ 2678.127026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.127026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.127026][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.127026][ T72] netlink_unicast+0x449/0x710 [ 2678.127026][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.127026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.127026][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.127026][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.127026][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.127026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.127026][ T72] [ 2678.129011][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2678.129011][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.129011][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.129011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.129011][ T72] ip6_route_add+0x1c/0x140 [ 2678.129011][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2678.129011][ T72] addrconf_add_dev+0xe2/0x170 [ 2678.129011][ T72] inet6_addr_add+0x12f/0xa40 [ 2678.129011][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.129011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.129011][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.129011][ T72] netlink_unicast+0x449/0x710 [ 2678.129011][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.129011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.129011][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.129011][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.129011][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.129011][ T72] [ 2678.130955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2678.130955][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2678.130955][ T72] ipv6_find_idev+0x102/0x170 [ 2678.130955][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.130955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.130955][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.130955][ T72] netlink_unicast+0x449/0x710 [ 2678.130955][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.130955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.130955][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.130955][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.130955][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.130955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.130955][ T72] [ 2678.132498][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2678.132498][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2678.132498][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2678.132498][ T72] ipv6_find_idev+0x102/0x170 [ 2678.132498][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.132498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.132498][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.132498][ T72] netlink_unicast+0x449/0x710 [ 2678.132498][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.132498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.132498][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.132498][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.132498][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.132498][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.132498][ T72] [ 2678.134188][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2678.134460][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2678.134460][ T72] dst_init+0x84/0x4a0 [ 2678.134460][ T72] dst_alloc+0x97/0x150 [ 2678.134460][ T72] ip6_dst_alloc+0x23/0x90 [ 2678.134460][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2678.134460][ T72] ip6_pol_route+0x56f/0x840 [ 2678.134460][ T72] fib6_rule_lookup+0x456/0x630 [ 2678.134460][ T72] ip6_route_input+0x59c/0xa50 [ 2678.134460][ T72] ipv6_rcv+0x397/0x810 [ 2678.134460][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2678.134460][ T72] process_backlog+0x101/0x620 [ 2678.134460][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2678.134460][ T72] net_rx_action+0x495/0xbe0 [ 2678.134460][ T72] __do_softirq+0x1b5/0x7f6 [ 2678.134460][ T72] [ 2678.136091][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2678.136091][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.136091][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.136091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.136091][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2678.136091][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2678.136091][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2678.136091][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2678.136091][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2678.136091][ T72] addrconf_dad_begin+0x310/0x670 [ 2678.136091][ T72] addrconf_dad_work+0x10b/0xab0 [ 2678.136091][ T72] process_one_work+0x84d/0x18a0 [ 2678.136091][ T72] worker_thread+0x587/0xd30 [ 2678.136091][ T72] kthread+0x28a/0x350 [ 2678.136091][ T72] ret_from_fork+0x31/0x70 [ 2678.136091][ T72] ret_from_fork_asm+0x1a/0x30 [ 2678.136091][ T72] [ 2678.137935][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2678.137935][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.137935][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.137935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.137935][ T72] ip6_route_add+0x1c/0x140 [ 2678.137935][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2678.137935][ T72] inet6_addr_add+0x4f8/0xa40 [ 2678.137935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.137935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.137935][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.137935][ T72] netlink_unicast+0x449/0x710 [ 2678.137935][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.137935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.137935][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.137935][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.137935][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.137935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.137935][ T72] [ 2678.139921][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2678.139921][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.139921][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.139921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.139921][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2678.139921][ T72] ipv6_add_addr+0x411/0x2000 [ 2678.139921][ T72] inet6_addr_add+0x30e/0xa40 [ 2678.139921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.139921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.139921][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.139921][ T72] netlink_unicast+0x449/0x710 [ 2678.139921][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.139921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.139921][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.139921][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.139921][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.139921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.139921][ T72] [ 2678.141855][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2678.141855][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.141855][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.141855][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.141855][ T72] ip6_route_add+0x1c/0x140 [ 2678.141855][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2678.141855][ T72] addrconf_add_dev+0xe2/0x170 [ 2678.141855][ T72] inet6_addr_add+0x12f/0xa40 [ 2678.141855][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.141855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.141855][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.141855][ T72] netlink_unicast+0x449/0x710 [ 2678.141855][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.141855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.141855][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.141855][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.141855][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.141855][ T72] [ 2678.143815][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2678.143815][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2678.143815][ T72] ipv6_find_idev+0x102/0x170 [ 2678.143815][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.143815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.143815][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.143815][ T72] netlink_unicast+0x449/0x710 [ 2678.143815][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.143815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.143815][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.143815][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.143815][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.143815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.143815][ T72] [ 2678.145351][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2678.145351][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2678.145351][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2678.145351][ T72] ipv6_find_idev+0x102/0x170 [ 2678.145351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.145351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.145351][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.145351][ T72] netlink_unicast+0x449/0x710 [ 2678.145351][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.145351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.145351][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.145351][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.145351][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.145351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.145351][ T72] [ 2678.147116][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2678.147452][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2678.147452][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2678.147452][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2678.147452][ T72] fib6_nh_init+0xa22/0x1580 [ 2678.147452][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.147452][ T72] ip6_route_add+0x1c/0x140 [ 2678.147452][ T72] inet6_rtm_newroute+0x104/0x110 [ 2678.147452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.147452][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.147452][ T72] netlink_unicast+0x449/0x710 [ 2678.147452][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.147452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.147452][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.147452][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.147452][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.147452][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.147452][ T72] [ 2678.150099][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2678.150099][ T72] dst_init+0x84/0x4a0 [ 2678.150099][ T72] dst_alloc+0x97/0x150 [ 2678.150099][ T72] ip6_dst_alloc+0x23/0x90 [ 2678.150099][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2678.150099][ T72] ip6_pol_route+0x56f/0x840 [ 2678.150099][ T72] fib6_rule_lookup+0x456/0x630 [ 2678.150099][ T72] ip6_route_input+0x59c/0xa50 [ 2678.150099][ T72] ipv6_rcv+0x397/0x810 [ 2678.150099][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2678.150099][ T72] process_backlog+0x101/0x620 [ 2678.150099][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2678.150099][ T72] net_rx_action+0x495/0xbe0 [ 2678.150099][ T72] __do_softirq+0x1b5/0x7f6 [ 2678.150099][ T72] [ 2678.151870][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2678.151870][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.151870][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.151870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.151870][ T72] ip6_route_add+0x1c/0x140 [ 2678.151870][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2678.151870][ T72] inet6_addr_add+0x4f8/0xa40 [ 2678.151870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.151870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.151870][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.151870][ T72] netlink_unicast+0x449/0x710 [ 2678.151870][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.151870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.151870][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.151870][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.151870][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.151870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.151870][ T72] [ 2678.154076][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2678.154076][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.154076][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.154076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.154076][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2678.154076][ T72] ipv6_add_addr+0x411/0x2000 [ 2678.154076][ T72] inet6_addr_add+0x30e/0xa40 [ 2678.154076][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.154076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.154076][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.154076][ T72] netlink_unicast+0x449/0x710 [ 2678.154076][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.154076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.154076][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.154076][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.154076][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.154076][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.154076][ T72] [ 2678.156256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2678.156256][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.156256][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.156256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.156256][ T72] ip6_route_add+0x1c/0x140 [ 2678.156256][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2678.156256][ T72] addrconf_add_dev+0xe2/0x170 [ 2678.156256][ T72] inet6_addr_add+0x12f/0xa40 [ 2678.156256][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.156256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.156256][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.156256][ T72] netlink_unicast+0x449/0x710 [ 2678.156256][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.156256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.156256][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.156256][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.156256][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.156256][ T72] [ 2678.158906][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2678.158906][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2678.158906][ T72] ipv6_find_idev+0x102/0x170 [ 2678.158906][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.158906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.158906][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.158906][ T72] netlink_unicast+0x449/0x710 [ 2678.158906][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.158906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.158906][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.158906][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.158906][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.158906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.158906][ T72] [ 2678.160585][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2678.160585][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2678.160585][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2678.160585][ T72] ipv6_find_idev+0x102/0x170 [ 2678.160585][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.160585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.160585][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.160585][ T72] netlink_unicast+0x449/0x710 [ 2678.160585][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.160585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.160585][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.160585][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.160585][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.160585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.160585][ T72] [ 2678.162435][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2678.162744][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2678.162744][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.162744][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.162744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.162744][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2678.162744][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2678.162744][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2678.162744][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2678.162744][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2678.162744][ T72] addrconf_dad_begin+0x310/0x670 [ 2678.162744][ T72] addrconf_dad_work+0x10b/0xab0 [ 2678.162744][ T72] process_one_work+0x84d/0x18a0 [ 2678.162744][ T72] worker_thread+0x587/0xd30 [ 2678.162744][ T72] kthread+0x28a/0x350 [ 2678.162744][ T72] ret_from_fork+0x31/0x70 [ 2678.162744][ T72] ret_from_fork_asm+0x1a/0x30 [ 2678.162744][ T72] [ 2678.164891][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2678.164891][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.164891][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.164891][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.164891][ T72] ip6_route_add+0x1c/0x140 [ 2678.164891][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2678.164891][ T72] inet6_addr_add+0x4f8/0xa40 [ 2678.164891][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.164891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.164891][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.164891][ T72] netlink_unicast+0x449/0x710 [ 2678.164891][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.164891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.164891][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.164891][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.164891][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.164891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.164891][ T72] [ 2678.167115][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2678.167115][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.167115][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.167115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.167115][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2678.167115][ T72] ipv6_add_addr+0x411/0x2000 [ 2678.167115][ T72] inet6_addr_add+0x30e/0xa40 [ 2678.167115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.167115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.167115][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.167115][ T72] netlink_unicast+0x449/0x710 [ 2678.167115][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.167115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.167115][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.167115][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.167115][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.167115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.167115][ T72] [ 2678.169390][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2678.169390][ T72] netdev_get_by_index+0x5e/0x80 [ 2678.169390][ T72] fib6_nh_init+0x3d8/0x1580 [ 2678.169390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2678.169390][ T72] ip6_route_add+0x1c/0x140 [ 2678.169390][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2678.169390][ T72] addrconf_add_dev+0xe2/0x170 [ 2678.169390][ T72] inet6_addr_add+0x12f/0xa40 [ 2678.169390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.169390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.169390][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.169390][ T72] netlink_unicast+0x449/0x710 [ 2678.169390][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.169390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.169390][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.169390][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.169390][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.169390][ T72] [ 2678.171532][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2678.171532][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2678.171532][ T72] ipv6_find_idev+0x102/0x170 [ 2678.171532][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.171532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.171532][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.171532][ T72] netlink_unicast+0x449/0x710 [ 2678.171532][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.171532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.171532][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.171532][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.171532][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.171532][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.171532][ T72] [ 2678.173246][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2678.173246][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2678.173246][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2678.173246][ T72] ipv6_find_idev+0x102/0x170 [ 2678.173246][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.173246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.173246][ T72] netlink_rcv_skb+0x130/0x360 [ 2678.173246][ T72] netlink_unicast+0x449/0x710 [ 2678.173246][ T72] netlink_sendmsg+0x723/0xbe0 [ 2678.173246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2678.173246][ T72] ___sys_sendmsg+0xee/0x170 [ 2678.173246][ T72] __sys_sendmsg+0xcd/0x170 [ 2678.173246][ T72] do_syscall_64+0xc6/0x1e0 [ 2678.173246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.173246][ T72] [ 2688.417897][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2688.418416][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2688.418416][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2688.418416][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2688.418416][ T72] fib6_nh_init+0xa22/0x1580 [ 2688.418416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.418416][ T72] ip6_route_add+0x1c/0x140 [ 2688.418416][ T72] inet6_rtm_newroute+0x104/0x110 [ 2688.418416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.418416][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.418416][ T72] netlink_unicast+0x449/0x710 [ 2688.418416][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.418416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.418416][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.418416][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.418416][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.418416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.418416][ T72] [ 2688.420275][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2688.420275][ T72] dst_init+0x84/0x4a0 [ 2688.420275][ T72] dst_alloc+0x97/0x150 [ 2688.420275][ T72] ip6_dst_alloc+0x23/0x90 [ 2688.420275][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2688.420275][ T72] ip6_pol_route+0x56f/0x840 [ 2688.420275][ T72] fib6_rule_lookup+0x456/0x630 [ 2688.420275][ T72] ip6_route_input+0x59c/0xa50 [ 2688.420275][ T72] ipv6_rcv+0x397/0x810 [ 2688.420275][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2688.420275][ T72] process_backlog+0x101/0x620 [ 2688.420275][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2688.420275][ T72] net_rx_action+0x495/0xbe0 [ 2688.420275][ T72] __do_softirq+0x1b5/0x7f6 [ 2688.420275][ T72] [ 2688.421908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2688.421908][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.421908][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.421908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.421908][ T72] ip6_route_add+0x1c/0x140 [ 2688.421908][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2688.421908][ T72] inet6_addr_add+0x4f8/0xa40 [ 2688.421908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.421908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.421908][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.421908][ T72] netlink_unicast+0x449/0x710 [ 2688.421908][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.421908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.421908][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.421908][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.421908][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.421908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.421908][ T72] [ 2688.423930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2688.423930][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.423930][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.423930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.423930][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2688.423930][ T72] ipv6_add_addr+0x411/0x2000 [ 2688.423930][ T72] inet6_addr_add+0x30e/0xa40 [ 2688.423930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.423930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.423930][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.423930][ T72] netlink_unicast+0x449/0x710 [ 2688.423930][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.423930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.423930][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.423930][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.423930][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.423930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.423930][ T72] [ 2688.425940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2688.425940][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.425940][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.425940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.425940][ T72] ip6_route_add+0x1c/0x140 [ 2688.425940][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2688.425940][ T72] addrconf_add_dev+0xe2/0x170 [ 2688.425940][ T72] inet6_addr_add+0x12f/0xa40 [ 2688.425940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.425940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.425940][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.425940][ T72] netlink_unicast+0x449/0x710 [ 2688.425940][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.425940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.425940][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.425940][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.425940][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.425940][ T72] [ 2688.427970][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2688.427970][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2688.427970][ T72] ipv6_find_idev+0x102/0x170 [ 2688.427970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2688.427970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.427970][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.427970][ T72] netlink_unicast+0x449/0x710 [ 2688.427970][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.427970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.427970][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.427970][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.427970][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.427970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.427970][ T72] [ 2688.429470][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2688.429470][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2688.429470][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2688.429470][ T72] ipv6_find_idev+0x102/0x170 [ 2688.429470][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2688.429470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.429470][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.429470][ T72] netlink_unicast+0x449/0x710 [ 2688.429470][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.429470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.429470][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.429470][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.429470][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.429470][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.429470][ T72] [ 2688.431245][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2688.431541][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2688.431541][ T72] dst_init+0x84/0x4a0 [ 2688.431541][ T72] dst_alloc+0x97/0x150 [ 2688.431541][ T72] ip6_dst_alloc+0x23/0x90 [ 2688.431541][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2688.431541][ T72] ip6_pol_route+0x56f/0x840 [ 2688.431541][ T72] fib6_rule_lookup+0x456/0x630 [ 2688.431541][ T72] ip6_route_input+0x59c/0xa50 [ 2688.431541][ T72] ipv6_rcv+0x397/0x810 [ 2688.431541][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2688.431541][ T72] process_backlog+0x101/0x620 [ 2688.431541][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2688.431541][ T72] net_rx_action+0x495/0xbe0 [ 2688.431541][ T72] __do_softirq+0x1b5/0x7f6 [ 2688.431541][ T72] [ 2688.433249][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2688.433249][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.433249][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.433249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.433249][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2688.433249][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2688.433249][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2688.433249][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2688.433249][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2688.433249][ T72] addrconf_dad_begin+0x310/0x670 [ 2688.433249][ T72] addrconf_dad_work+0x10b/0xab0 [ 2688.433249][ T72] process_one_work+0x84d/0x18a0 [ 2688.433249][ T72] worker_thread+0x587/0xd30 [ 2688.433249][ T72] kthread+0x28a/0x350 [ 2688.433249][ T72] ret_from_fork+0x31/0x70 [ 2688.433249][ T72] ret_from_fork_asm+0x1a/0x30 [ 2688.433249][ T72] [ 2688.435120][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2688.435120][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.435120][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.435120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.435120][ T72] ip6_route_add+0x1c/0x140 [ 2688.435120][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2688.435120][ T72] inet6_addr_add+0x4f8/0xa40 [ 2688.435120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.435120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.435120][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.435120][ T72] netlink_unicast+0x449/0x710 [ 2688.435120][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.435120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.435120][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.435120][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.435120][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.435120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.435120][ T72] [ 2688.437061][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2688.437061][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.437061][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.437061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.437061][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2688.437061][ T72] ipv6_add_addr+0x411/0x2000 [ 2688.437061][ T72] inet6_addr_add+0x30e/0xa40 [ 2688.437061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.437061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.437061][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.437061][ T72] netlink_unicast+0x449/0x710 [ 2688.437061][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.437061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.437061][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.437061][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.437061][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.437061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.437061][ T72] [ 2688.439071][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2688.439071][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.439071][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.439071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.439071][ T72] ip6_route_add+0x1c/0x140 [ 2688.439071][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2688.439071][ T72] addrconf_add_dev+0xe2/0x170 [ 2688.439071][ T72] inet6_addr_add+0x12f/0xa40 [ 2688.439071][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.439071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.439071][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.439071][ T72] netlink_unicast+0x449/0x710 [ 2688.439071][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.439071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.439071][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.439071][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.439071][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.439071][ T72] [ 2688.441166][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2688.441166][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2688.441166][ T72] ipv6_find_idev+0x102/0x170 [ 2688.441166][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2688.441166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.441166][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.441166][ T72] netlink_unicast+0x449/0x710 [ 2688.441166][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.441166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.441166][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.441166][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.441166][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.441166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.441166][ T72] [ 2688.442766][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2688.442766][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2688.442766][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2688.442766][ T72] ipv6_find_idev+0x102/0x170 [ 2688.442766][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2688.442766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.442766][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.442766][ T72] netlink_unicast+0x449/0x710 [ 2688.442766][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.442766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.442766][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.442766][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.442766][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.442766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.442766][ T72] [ 2688.444649][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2688.444955][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2688.444955][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2688.444955][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2688.444955][ T72] fib6_nh_init+0xa22/0x1580 [ 2688.444955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.444955][ T72] ip6_route_add+0x1c/0x140 [ 2688.444955][ T72] inet6_rtm_newroute+0x104/0x110 [ 2688.444955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.444955][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.444955][ T72] netlink_unicast+0x449/0x710 [ 2688.444955][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.444955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.444955][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.444955][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.444955][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.444955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.444955][ T72] [ 2688.447275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2688.447275][ T72] dst_init+0x84/0x4a0 [ 2688.447275][ T72] dst_alloc+0x97/0x150 [ 2688.447275][ T72] ip6_dst_alloc+0x23/0x90 [ 2688.447275][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2688.447275][ T72] ip6_pol_route+0x56f/0x840 [ 2688.447275][ T72] fib6_rule_lookup+0x456/0x630 [ 2688.447275][ T72] ip6_route_input+0x59c/0xa50 [ 2688.447275][ T72] ipv6_rcv+0x397/0x810 [ 2688.447275][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2688.447275][ T72] process_backlog+0x101/0x620 [ 2688.447275][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2688.447275][ T72] net_rx_action+0x495/0xbe0 [ 2688.447275][ T72] __do_softirq+0x1b5/0x7f6 [ 2688.447275][ T72] [ 2688.449139][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2688.449139][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.449139][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.449139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.449139][ T72] ip6_route_add+0x1c/0x140 [ 2688.449139][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2688.449139][ T72] inet6_addr_add+0x4f8/0xa40 [ 2688.449139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.449139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.449139][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.449139][ T72] netlink_unicast+0x449/0x710 [ 2688.449139][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.449139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.449139][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.449139][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.449139][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.449139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.449139][ T72] [ 2688.451464][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2688.451464][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.451464][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.451464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.451464][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2688.451464][ T72] ipv6_add_addr+0x411/0x2000 [ 2688.451464][ T72] inet6_addr_add+0x30e/0xa40 [ 2688.451464][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.451464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.451464][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.451464][ T72] netlink_unicast+0x449/0x710 [ 2688.451464][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.451464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.451464][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.451464][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.451464][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.451464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.451464][ T72] [ 2688.453732][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2688.453732][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.453732][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.453732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.453732][ T72] ip6_route_add+0x1c/0x140 [ 2688.453732][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2688.453732][ T72] addrconf_add_dev+0xe2/0x170 [ 2688.453732][ T72] inet6_addr_add+0x12f/0xa40 [ 2688.453732][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.453732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.453732][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.453732][ T72] netlink_unicast+0x449/0x710 [ 2688.453732][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.453732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.453732][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.453732][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.453732][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.453732][ T72] [ 2688.456073][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2688.456073][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2688.456073][ T72] ipv6_find_idev+0x102/0x170 [ 2688.456073][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2688.456073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.456073][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.456073][ T72] netlink_unicast+0x449/0x710 [ 2688.456073][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.456073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.456073][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.456073][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.456073][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.456073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.456073][ T72] [ 2688.457836][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2688.457836][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2688.457836][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2688.457836][ T72] ipv6_find_idev+0x102/0x170 [ 2688.457836][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2688.457836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.457836][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.457836][ T72] netlink_unicast+0x449/0x710 [ 2688.457836][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.457836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.457836][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.457836][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.457836][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.457836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.457836][ T72] [ 2688.459820][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2688.460118][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2688.460118][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.460118][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.460118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.460118][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2688.460118][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2688.460118][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2688.460118][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2688.460118][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2688.460118][ T72] addrconf_dad_begin+0x310/0x670 [ 2688.460118][ T72] addrconf_dad_work+0x10b/0xab0 [ 2688.460118][ T72] process_one_work+0x84d/0x18a0 [ 2688.460118][ T72] worker_thread+0x587/0xd30 [ 2688.460118][ T72] kthread+0x28a/0x350 [ 2688.460118][ T72] ret_from_fork+0x31/0x70 [ 2688.460118][ T72] ret_from_fork_asm+0x1a/0x30 [ 2688.460118][ T72] [ 2688.462365][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2688.462365][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.462365][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.462365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.462365][ T72] ip6_route_add+0x1c/0x140 [ 2688.462365][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2688.462365][ T72] inet6_addr_add+0x4f8/0xa40 [ 2688.462365][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.462365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.462365][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.462365][ T72] netlink_unicast+0x449/0x710 [ 2688.462365][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.462365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.462365][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.462365][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.462365][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.462365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.462365][ T72] [ 2688.464625][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2688.464625][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.464625][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.464625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.464625][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2688.464625][ T72] ipv6_add_addr+0x411/0x2000 [ 2688.464625][ T72] inet6_addr_add+0x30e/0xa40 [ 2688.464625][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.464625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.464625][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.464625][ T72] netlink_unicast+0x449/0x710 [ 2688.464625][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.464625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.464625][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.464625][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.464625][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.464625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.464625][ T72] [ 2688.467021][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2688.467021][ T72] netdev_get_by_index+0x5e/0x80 [ 2688.467021][ T72] fib6_nh_init+0x3d8/0x1580 [ 2688.467021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2688.467021][ T72] ip6_route_add+0x1c/0x140 [ 2688.467021][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2688.467021][ T72] addrconf_add_dev+0xe2/0x170 [ 2688.467021][ T72] inet6_addr_add+0x12f/0xa40 [ 2688.467021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2688.467021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.467021][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.467021][ T72] netlink_unicast+0x449/0x710 [ 2688.467021][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.467021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.467021][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.467021][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.467021][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.467021][ T72] [ 2688.469264][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2688.469264][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2688.469264][ T72] ipv6_find_idev+0x102/0x170 [ 2688.469264][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2688.469264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.469264][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.469264][ T72] netlink_unicast+0x449/0x710 [ 2688.469264][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.469264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.469264][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.469264][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.469264][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.469264][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.469264][ T72] [ 2688.471163][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2688.471163][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2688.471163][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2688.471163][ T72] ipv6_find_idev+0x102/0x170 [ 2688.471163][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2688.471163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2688.471163][ T72] netlink_rcv_skb+0x130/0x360 [ 2688.471163][ T72] netlink_unicast+0x449/0x710 [ 2688.471163][ T72] netlink_sendmsg+0x723/0xbe0 [ 2688.471163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2688.471163][ T72] ___sys_sendmsg+0xee/0x170 [ 2688.471163][ T72] __sys_sendmsg+0xcd/0x170 [ 2688.471163][ T72] do_syscall_64+0xc6/0x1e0 [ 2688.471163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2688.471163][ T72] [ 2698.841088][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2698.841671][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2698.841671][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2698.841671][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2698.841671][ T72] fib6_nh_init+0xa22/0x1580 [ 2698.841671][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.841671][ T72] ip6_route_add+0x1c/0x140 [ 2698.841671][ T72] inet6_rtm_newroute+0x104/0x110 [ 2698.841671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.841671][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.841671][ T72] netlink_unicast+0x449/0x710 [ 2698.841671][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.841671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.841671][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.841671][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.841671][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.841671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.841671][ T72] [ 2698.843569][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2698.843569][ T72] dst_init+0x84/0x4a0 [ 2698.843569][ T72] dst_alloc+0x97/0x150 [ 2698.843569][ T72] ip6_dst_alloc+0x23/0x90 [ 2698.843569][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2698.843569][ T72] ip6_pol_route+0x56f/0x840 [ 2698.843569][ T72] fib6_rule_lookup+0x456/0x630 [ 2698.843569][ T72] ip6_route_input+0x59c/0xa50 [ 2698.843569][ T72] ipv6_rcv+0x397/0x810 [ 2698.843569][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2698.843569][ T72] process_backlog+0x101/0x620 [ 2698.843569][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2698.843569][ T72] net_rx_action+0x495/0xbe0 [ 2698.843569][ T72] __do_softirq+0x1b5/0x7f6 [ 2698.843569][ T72] [ 2698.845209][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2698.845209][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.845209][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.845209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.845209][ T72] ip6_route_add+0x1c/0x140 [ 2698.845209][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2698.845209][ T72] inet6_addr_add+0x4f8/0xa40 [ 2698.845209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.845209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.845209][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.845209][ T72] netlink_unicast+0x449/0x710 [ 2698.845209][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.845209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.845209][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.845209][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.845209][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.845209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.845209][ T72] [ 2698.847161][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2698.847161][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.847161][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.847161][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.847161][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2698.847161][ T72] ipv6_add_addr+0x411/0x2000 [ 2698.847161][ T72] inet6_addr_add+0x30e/0xa40 [ 2698.847161][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.847161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.847161][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.847161][ T72] netlink_unicast+0x449/0x710 [ 2698.847161][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.847161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.847161][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.847161][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.847161][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.847161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.847161][ T72] [ 2698.849106][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2698.849106][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.849106][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.849106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.849106][ T72] ip6_route_add+0x1c/0x140 [ 2698.849106][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2698.849106][ T72] addrconf_add_dev+0xe2/0x170 [ 2698.849106][ T72] inet6_addr_add+0x12f/0xa40 [ 2698.849106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.849106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.849106][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.849106][ T72] netlink_unicast+0x449/0x710 [ 2698.849106][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.849106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.849106][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.849106][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.849106][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.849106][ T72] [ 2698.851068][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2698.851068][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2698.851068][ T72] ipv6_find_idev+0x102/0x170 [ 2698.851068][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2698.851068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.851068][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.851068][ T72] netlink_unicast+0x449/0x710 [ 2698.851068][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.851068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.851068][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.851068][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.851068][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.851068][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.851068][ T72] [ 2698.852605][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2698.852605][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2698.852605][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2698.852605][ T72] ipv6_find_idev+0x102/0x170 [ 2698.852605][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2698.852605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.852605][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.852605][ T72] netlink_unicast+0x449/0x710 [ 2698.852605][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.852605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.852605][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.852605][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.852605][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.852605][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.852605][ T72] [ 2698.854287][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2698.854583][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2698.854583][ T72] dst_init+0x84/0x4a0 [ 2698.854583][ T72] dst_alloc+0x97/0x150 [ 2698.854583][ T72] ip6_dst_alloc+0x23/0x90 [ 2698.854583][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2698.854583][ T72] ip6_pol_route+0x56f/0x840 [ 2698.854583][ T72] fib6_rule_lookup+0x456/0x630 [ 2698.854583][ T72] ip6_route_input+0x59c/0xa50 [ 2698.854583][ T72] ipv6_rcv+0x397/0x810 [ 2698.854583][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2698.854583][ T72] process_backlog+0x101/0x620 [ 2698.854583][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2698.854583][ T72] net_rx_action+0x495/0xbe0 [ 2698.854583][ T72] __do_softirq+0x1b5/0x7f6 [ 2698.854583][ T72] [ 2698.856267][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2698.856267][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.856267][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.856267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.856267][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2698.856267][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2698.856267][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2698.856267][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2698.856267][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2698.856267][ T72] addrconf_dad_begin+0x310/0x670 [ 2698.856267][ T72] addrconf_dad_work+0x10b/0xab0 [ 2698.856267][ T72] process_one_work+0x84d/0x18a0 [ 2698.856267][ T72] worker_thread+0x587/0xd30 [ 2698.856267][ T72] kthread+0x28a/0x350 [ 2698.856267][ T72] ret_from_fork+0x31/0x70 [ 2698.856267][ T72] ret_from_fork_asm+0x1a/0x30 [ 2698.856267][ T72] [ 2698.858736][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2698.858736][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.858736][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.858736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.858736][ T72] ip6_route_add+0x1c/0x140 [ 2698.858736][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2698.858736][ T72] inet6_addr_add+0x4f8/0xa40 [ 2698.858736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.858736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.858736][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.858736][ T72] netlink_unicast+0x449/0x710 [ 2698.858736][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.858736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.858736][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.858736][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.858736][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.858736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.858736][ T72] [ 2698.860727][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2698.860727][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.860727][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.860727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.860727][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2698.860727][ T72] ipv6_add_addr+0x411/0x2000 [ 2698.860727][ T72] inet6_addr_add+0x30e/0xa40 [ 2698.860727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.860727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.860727][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.860727][ T72] netlink_unicast+0x449/0x710 [ 2698.860727][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.860727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.860727][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.860727][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.860727][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.860727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.860727][ T72] [ 2698.862700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2698.862700][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.862700][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.862700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.862700][ T72] ip6_route_add+0x1c/0x140 [ 2698.862700][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2698.862700][ T72] addrconf_add_dev+0xe2/0x170 [ 2698.862700][ T72] inet6_addr_add+0x12f/0xa40 [ 2698.862700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.862700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.862700][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.862700][ T72] netlink_unicast+0x449/0x710 [ 2698.862700][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.862700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.862700][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.862700][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.862700][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.862700][ T72] [ 2698.864669][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2698.864669][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2698.864669][ T72] ipv6_find_idev+0x102/0x170 [ 2698.864669][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2698.864669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.864669][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.864669][ T72] netlink_unicast+0x449/0x710 [ 2698.864669][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.864669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.864669][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.864669][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.864669][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.864669][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.864669][ T72] [ 2698.866634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2698.866634][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2698.866634][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2698.866634][ T72] ipv6_find_idev+0x102/0x170 [ 2698.866634][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2698.866634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.866634][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.866634][ T72] netlink_unicast+0x449/0x710 [ 2698.866634][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.866634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.866634][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.866634][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.866634][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.866634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.866634][ T72] [ 2698.868447][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2698.868743][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2698.868743][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2698.868743][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2698.868743][ T72] fib6_nh_init+0xa22/0x1580 [ 2698.868743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.868743][ T72] ip6_route_add+0x1c/0x140 [ 2698.868743][ T72] inet6_rtm_newroute+0x104/0x110 [ 2698.868743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.868743][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.868743][ T72] netlink_unicast+0x449/0x710 [ 2698.868743][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.868743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.868743][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.868743][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.868743][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.868743][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.868743][ T72] [ 2698.870912][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2698.870912][ T72] dst_init+0x84/0x4a0 [ 2698.870912][ T72] dst_alloc+0x97/0x150 [ 2698.870912][ T72] ip6_dst_alloc+0x23/0x90 [ 2698.870912][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2698.870912][ T72] ip6_pol_route+0x56f/0x840 [ 2698.870912][ T72] fib6_rule_lookup+0x456/0x630 [ 2698.870912][ T72] ip6_route_input+0x59c/0xa50 [ 2698.870912][ T72] ipv6_rcv+0x397/0x810 [ 2698.870912][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2698.870912][ T72] process_backlog+0x101/0x620 [ 2698.870912][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2698.870912][ T72] net_rx_action+0x495/0xbe0 [ 2698.870912][ T72] __do_softirq+0x1b5/0x7f6 [ 2698.870912][ T72] [ 2698.872734][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2698.872734][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.872734][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.872734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.872734][ T72] ip6_route_add+0x1c/0x140 [ 2698.872734][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2698.872734][ T72] inet6_addr_add+0x4f8/0xa40 [ 2698.872734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.872734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.872734][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.872734][ T72] netlink_unicast+0x449/0x710 [ 2698.872734][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.872734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.872734][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.872734][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.872734][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.872734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.872734][ T72] [ 2698.874861][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2698.874861][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.874861][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.874861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.874861][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2698.874861][ T72] ipv6_add_addr+0x411/0x2000 [ 2698.874861][ T72] inet6_addr_add+0x30e/0xa40 [ 2698.874861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.874861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.874861][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.874861][ T72] netlink_unicast+0x449/0x710 [ 2698.874861][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.874861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.874861][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.874861][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.874861][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.874861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.874861][ T72] [ 2698.877020][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2698.877020][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.877020][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.877020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.877020][ T72] ip6_route_add+0x1c/0x140 [ 2698.877020][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2698.877020][ T72] addrconf_add_dev+0xe2/0x170 [ 2698.877020][ T72] inet6_addr_add+0x12f/0xa40 [ 2698.877020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.877020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.877020][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.877020][ T72] netlink_unicast+0x449/0x710 [ 2698.877020][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.877020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.877020][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.877020][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.877020][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.877020][ T72] [ 2698.879191][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2698.879191][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2698.879191][ T72] ipv6_find_idev+0x102/0x170 [ 2698.879191][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2698.879191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.879191][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.879191][ T72] netlink_unicast+0x449/0x710 [ 2698.879191][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.879191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.879191][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.879191][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.879191][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.879191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.879191][ T72] [ 2698.880799][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2698.880799][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2698.880799][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2698.880799][ T72] ipv6_find_idev+0x102/0x170 [ 2698.880799][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2698.880799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.880799][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.880799][ T72] netlink_unicast+0x449/0x710 [ 2698.880799][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.880799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.880799][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.880799][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.880799][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.880799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.880799][ T72] [ 2698.882635][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2698.883345][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2698.883345][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.883345][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.883345][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.883345][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2698.883345][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2698.883345][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2698.883345][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2698.883345][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2698.883345][ T72] addrconf_dad_begin+0x310/0x670 [ 2698.883345][ T72] addrconf_dad_work+0x10b/0xab0 [ 2698.883345][ T72] process_one_work+0x84d/0x18a0 [ 2698.883345][ T72] worker_thread+0x587/0xd30 [ 2698.883345][ T72] kthread+0x28a/0x350 [ 2698.883345][ T72] ret_from_fork+0x31/0x70 [ 2698.883345][ T72] ret_from_fork_asm+0x1a/0x30 [ 2698.883345][ T72] [ 2698.885279][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2698.885279][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.885279][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.885279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.885279][ T72] ip6_route_add+0x1c/0x140 [ 2698.885279][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2698.885279][ T72] inet6_addr_add+0x4f8/0xa40 [ 2698.885279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.885279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.885279][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.885279][ T72] netlink_unicast+0x449/0x710 [ 2698.885279][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.885279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.885279][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.885279][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.885279][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.885279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.885279][ T72] [ 2698.887349][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2698.887349][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.887349][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.887349][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.887349][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2698.887349][ T72] ipv6_add_addr+0x411/0x2000 [ 2698.887349][ T72] inet6_addr_add+0x30e/0xa40 [ 2698.887349][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.887349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.887349][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.887349][ T72] netlink_unicast+0x449/0x710 [ 2698.887349][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.887349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.887349][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.887349][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.887349][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.887349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.887349][ T72] [ 2698.889490][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2698.889490][ T72] netdev_get_by_index+0x5e/0x80 [ 2698.889490][ T72] fib6_nh_init+0x3d8/0x1580 [ 2698.889490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2698.889490][ T72] ip6_route_add+0x1c/0x140 [ 2698.889490][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2698.889490][ T72] addrconf_add_dev+0xe2/0x170 [ 2698.889490][ T72] inet6_addr_add+0x12f/0xa40 [ 2698.889490][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2698.889490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.889490][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.889490][ T72] netlink_unicast+0x449/0x710 [ 2698.889490][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.889490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.889490][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.889490][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.889490][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.889490][ T72] [ 2698.891651][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2698.891651][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2698.891651][ T72] ipv6_find_idev+0x102/0x170 [ 2698.891651][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2698.891651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.891651][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.891651][ T72] netlink_unicast+0x449/0x710 [ 2698.891651][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.891651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.891651][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.891651][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.891651][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.891651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.891651][ T72] [ 2698.893272][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2698.893272][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2698.893272][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2698.893272][ T72] ipv6_find_idev+0x102/0x170 [ 2698.893272][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2698.893272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2698.893272][ T72] netlink_rcv_skb+0x130/0x360 [ 2698.893272][ T72] netlink_unicast+0x449/0x710 [ 2698.893272][ T72] netlink_sendmsg+0x723/0xbe0 [ 2698.893272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2698.893272][ T72] ___sys_sendmsg+0xee/0x170 [ 2698.893272][ T72] __sys_sendmsg+0xcd/0x170 [ 2698.893272][ T72] do_syscall_64+0xc6/0x1e0 [ 2698.893272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2698.893272][ T72] [ 2709.137007][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2709.137578][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2709.137578][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2709.137578][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2709.137578][ T72] fib6_nh_init+0xa22/0x1580 [ 2709.137578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.137578][ T72] ip6_route_add+0x1c/0x140 [ 2709.137578][ T72] inet6_rtm_newroute+0x104/0x110 [ 2709.137578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.137578][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.137578][ T72] netlink_unicast+0x449/0x710 [ 2709.137578][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.137578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.137578][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.137578][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.137578][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.137578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.137578][ T72] [ 2709.139426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2709.139426][ T72] dst_init+0x84/0x4a0 [ 2709.139426][ T72] dst_alloc+0x97/0x150 [ 2709.139426][ T72] ip6_dst_alloc+0x23/0x90 [ 2709.139426][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2709.139426][ T72] ip6_pol_route+0x56f/0x840 [ 2709.139426][ T72] fib6_rule_lookup+0x456/0x630 [ 2709.139426][ T72] ip6_route_input+0x59c/0xa50 [ 2709.139426][ T72] ipv6_rcv+0x397/0x810 [ 2709.139426][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2709.139426][ T72] process_backlog+0x101/0x620 [ 2709.139426][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2709.139426][ T72] net_rx_action+0x495/0xbe0 [ 2709.139426][ T72] __do_softirq+0x1b5/0x7f6 [ 2709.139426][ T72] [ 2709.141022][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2709.141022][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.141022][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.141022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.141022][ T72] ip6_route_add+0x1c/0x140 [ 2709.141022][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2709.141022][ T72] inet6_addr_add+0x4f8/0xa40 [ 2709.141022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.141022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.141022][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.141022][ T72] netlink_unicast+0x449/0x710 [ 2709.141022][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.141022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.141022][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.141022][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.141022][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.141022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.141022][ T72] [ 2709.142969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2709.142969][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.142969][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.142969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.142969][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2709.142969][ T72] ipv6_add_addr+0x411/0x2000 [ 2709.142969][ T72] inet6_addr_add+0x30e/0xa40 [ 2709.142969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.142969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.142969][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.142969][ T72] netlink_unicast+0x449/0x710 [ 2709.142969][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.142969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.142969][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.142969][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.142969][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.142969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.142969][ T72] [ 2709.144958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2709.144958][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.144958][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.144958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.144958][ T72] ip6_route_add+0x1c/0x140 [ 2709.144958][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2709.144958][ T72] addrconf_add_dev+0xe2/0x170 [ 2709.144958][ T72] inet6_addr_add+0x12f/0xa40 [ 2709.144958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.144958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.144958][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.144958][ T72] netlink_unicast+0x449/0x710 [ 2709.144958][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.144958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.144958][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.144958][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.144958][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.144958][ T72] [ 2709.146904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2709.146904][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2709.146904][ T72] ipv6_find_idev+0x102/0x170 [ 2709.146904][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.146904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.146904][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.146904][ T72] netlink_unicast+0x449/0x710 [ 2709.146904][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.146904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.146904][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.146904][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.146904][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.146904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.146904][ T72] [ 2709.148439][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2709.148439][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2709.148439][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2709.148439][ T72] ipv6_find_idev+0x102/0x170 [ 2709.148439][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.148439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.148439][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.148439][ T72] netlink_unicast+0x449/0x710 [ 2709.148439][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.148439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.148439][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.148439][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.148439][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.148439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.148439][ T72] [ 2709.150122][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2709.150399][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2709.150399][ T72] dst_init+0x84/0x4a0 [ 2709.150399][ T72] dst_alloc+0x97/0x150 [ 2709.150399][ T72] ip6_dst_alloc+0x23/0x90 [ 2709.150399][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2709.150399][ T72] ip6_pol_route+0x56f/0x840 [ 2709.150399][ T72] fib6_rule_lookup+0x456/0x630 [ 2709.150399][ T72] ip6_route_input+0x59c/0xa50 [ 2709.150399][ T72] ipv6_rcv+0x397/0x810 [ 2709.150399][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2709.150399][ T72] process_backlog+0x101/0x620 [ 2709.150399][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2709.150399][ T72] net_rx_action+0x495/0xbe0 [ 2709.150399][ T72] __do_softirq+0x1b5/0x7f6 [ 2709.150399][ T72] [ 2709.152038][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2709.152038][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.152038][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.152038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.152038][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2709.152038][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2709.152038][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2709.152038][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2709.152038][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2709.152038][ T72] addrconf_dad_begin+0x310/0x670 [ 2709.152038][ T72] addrconf_dad_work+0x10b/0xab0 [ 2709.152038][ T72] process_one_work+0x84d/0x18a0 [ 2709.152038][ T72] worker_thread+0x587/0xd30 [ 2709.152038][ T72] kthread+0x28a/0x350 [ 2709.152038][ T72] ret_from_fork+0x31/0x70 [ 2709.152038][ T72] ret_from_fork_asm+0x1a/0x30 [ 2709.152038][ T72] [ 2709.153934][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2709.153934][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.153934][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.153934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.153934][ T72] ip6_route_add+0x1c/0x140 [ 2709.153934][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2709.153934][ T72] inet6_addr_add+0x4f8/0xa40 [ 2709.153934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.153934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.153934][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.153934][ T72] netlink_unicast+0x449/0x710 [ 2709.153934][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.153934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.153934][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.153934][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.153934][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.153934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.153934][ T72] [ 2709.155921][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2709.155921][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.155921][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.155921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.155921][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2709.155921][ T72] ipv6_add_addr+0x411/0x2000 [ 2709.155921][ T72] inet6_addr_add+0x30e/0xa40 [ 2709.155921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.155921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.155921][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.155921][ T72] netlink_unicast+0x449/0x710 [ 2709.155921][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.155921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.155921][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.155921][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.155921][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.155921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.155921][ T72] [ 2709.157915][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2709.157915][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.157915][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.157915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.157915][ T72] ip6_route_add+0x1c/0x140 [ 2709.157915][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2709.157915][ T72] addrconf_add_dev+0xe2/0x170 [ 2709.157915][ T72] inet6_addr_add+0x12f/0xa40 [ 2709.157915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.157915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.157915][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.157915][ T72] netlink_unicast+0x449/0x710 [ 2709.157915][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.157915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.157915][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.157915][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.157915][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.157915][ T72] [ 2709.159854][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2709.159854][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2709.159854][ T72] ipv6_find_idev+0x102/0x170 [ 2709.159854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.159854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.159854][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.159854][ T72] netlink_unicast+0x449/0x710 [ 2709.159854][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.159854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.159854][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.159854][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.159854][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.159854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.159854][ T72] [ 2709.161378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2709.161378][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2709.161378][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2709.161378][ T72] ipv6_find_idev+0x102/0x170 [ 2709.161378][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.161378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.161378][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.161378][ T72] netlink_unicast+0x449/0x710 [ 2709.161378][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.161378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.161378][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.161378][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.161378][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.161378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.161378][ T72] [ 2709.163166][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2709.163494][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2709.163494][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2709.163494][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2709.163494][ T72] fib6_nh_init+0xa22/0x1580 [ 2709.163494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.163494][ T72] ip6_route_add+0x1c/0x140 [ 2709.163494][ T72] inet6_rtm_newroute+0x104/0x110 [ 2709.163494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.163494][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.163494][ T72] netlink_unicast+0x449/0x710 [ 2709.163494][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.163494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.163494][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.163494][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.163494][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.163494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.163494][ T72] [ 2709.165599][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2709.165599][ T72] dst_init+0x84/0x4a0 [ 2709.165599][ T72] dst_alloc+0x97/0x150 [ 2709.165599][ T72] ip6_dst_alloc+0x23/0x90 [ 2709.165599][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2709.165599][ T72] ip6_pol_route+0x56f/0x840 [ 2709.165599][ T72] fib6_rule_lookup+0x456/0x630 [ 2709.165599][ T72] ip6_route_input+0x59c/0xa50 [ 2709.165599][ T72] ipv6_rcv+0x397/0x810 [ 2709.165599][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2709.165599][ T72] process_backlog+0x101/0x620 [ 2709.165599][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2709.165599][ T72] net_rx_action+0x495/0xbe0 [ 2709.165599][ T72] __do_softirq+0x1b5/0x7f6 [ 2709.165599][ T72] [ 2709.167929][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2709.167929][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.167929][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.167929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.167929][ T72] ip6_route_add+0x1c/0x140 [ 2709.167929][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2709.167929][ T72] inet6_addr_add+0x4f8/0xa40 [ 2709.167929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.167929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.167929][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.167929][ T72] netlink_unicast+0x449/0x710 [ 2709.167929][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.167929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.167929][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.167929][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.167929][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.167929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.167929][ T72] [ 2709.170181][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2709.170181][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.170181][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.170181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.170181][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2709.170181][ T72] ipv6_add_addr+0x411/0x2000 [ 2709.170181][ T72] inet6_addr_add+0x30e/0xa40 [ 2709.170181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.170181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.170181][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.170181][ T72] netlink_unicast+0x449/0x710 [ 2709.170181][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.170181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.170181][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.170181][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.170181][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.170181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.170181][ T72] [ 2709.172803][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2709.172803][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.172803][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.172803][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.172803][ T72] ip6_route_add+0x1c/0x140 [ 2709.172803][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2709.172803][ T72] addrconf_add_dev+0xe2/0x170 [ 2709.172803][ T72] inet6_addr_add+0x12f/0xa40 [ 2709.172803][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.172803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.172803][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.172803][ T72] netlink_unicast+0x449/0x710 [ 2709.172803][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.172803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.172803][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.172803][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.172803][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.172803][ T72] [ 2709.175057][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2709.175057][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2709.175057][ T72] ipv6_find_idev+0x102/0x170 [ 2709.175057][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.175057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.175057][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.175057][ T72] netlink_unicast+0x449/0x710 [ 2709.175057][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.175057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.175057][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.175057][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.175057][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.175057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.175057][ T72] [ 2709.176763][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2709.176763][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2709.176763][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2709.176763][ T72] ipv6_find_idev+0x102/0x170 [ 2709.176763][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.176763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.176763][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.176763][ T72] netlink_unicast+0x449/0x710 [ 2709.176763][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.176763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.176763][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.176763][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.176763][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.176763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.176763][ T72] [ 2709.178626][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2709.178997][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2709.178997][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.178997][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.178997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.178997][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2709.178997][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2709.178997][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2709.178997][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2709.178997][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2709.178997][ T72] addrconf_dad_begin+0x310/0x670 [ 2709.178997][ T72] addrconf_dad_work+0x10b/0xab0 [ 2709.178997][ T72] process_one_work+0x84d/0x18a0 [ 2709.178997][ T72] worker_thread+0x587/0xd30 [ 2709.178997][ T72] kthread+0x28a/0x350 [ 2709.178997][ T72] ret_from_fork+0x31/0x70 [ 2709.178997][ T72] ret_from_fork_asm+0x1a/0x30 [ 2709.178997][ T72] [ 2709.181103][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2709.181103][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.181103][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.181103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.181103][ T72] ip6_route_add+0x1c/0x140 [ 2709.181103][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2709.181103][ T72] inet6_addr_add+0x4f8/0xa40 [ 2709.181103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.181103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.181103][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.181103][ T72] netlink_unicast+0x449/0x710 [ 2709.181103][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.181103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.181103][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.181103][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.181103][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.181103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.181103][ T72] [ 2709.183367][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2709.183367][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.183367][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.183367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.183367][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2709.183367][ T72] ipv6_add_addr+0x411/0x2000 [ 2709.183367][ T72] inet6_addr_add+0x30e/0xa40 [ 2709.183367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.183367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.183367][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.183367][ T72] netlink_unicast+0x449/0x710 [ 2709.183367][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.183367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.183367][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.183367][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.183367][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.183367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.183367][ T72] [ 2709.185673][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2709.185673][ T72] netdev_get_by_index+0x5e/0x80 [ 2709.185673][ T72] fib6_nh_init+0x3d8/0x1580 [ 2709.185673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2709.185673][ T72] ip6_route_add+0x1c/0x140 [ 2709.185673][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2709.185673][ T72] addrconf_add_dev+0xe2/0x170 [ 2709.185673][ T72] inet6_addr_add+0x12f/0xa40 [ 2709.185673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.185673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.185673][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.185673][ T72] netlink_unicast+0x449/0x710 [ 2709.185673][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.185673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.185673][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.185673][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.185673][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.185673][ T72] [ 2709.187837][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2709.187837][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2709.187837][ T72] ipv6_find_idev+0x102/0x170 [ 2709.187837][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.187837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.187837][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.187837][ T72] netlink_unicast+0x449/0x710 [ 2709.187837][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.187837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.187837][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.187837][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.187837][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.187837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.187837][ T72] [ 2709.189496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2709.189496][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2709.189496][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2709.189496][ T72] ipv6_find_idev+0x102/0x170 [ 2709.189496][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.189496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.189496][ T72] netlink_rcv_skb+0x130/0x360 [ 2709.189496][ T72] netlink_unicast+0x449/0x710 [ 2709.189496][ T72] netlink_sendmsg+0x723/0xbe0 [ 2709.189496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2709.189496][ T72] ___sys_sendmsg+0xee/0x170 [ 2709.189496][ T72] __sys_sendmsg+0xcd/0x170 [ 2709.189496][ T72] do_syscall_64+0xc6/0x1e0 [ 2709.189496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.189496][ T72] [ 2719.432915][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2719.433410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2719.433410][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2719.433410][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2719.433410][ T72] fib6_nh_init+0xa22/0x1580 [ 2719.433410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.433410][ T72] ip6_route_add+0x1c/0x140 [ 2719.433410][ T72] inet6_rtm_newroute+0x104/0x110 [ 2719.433410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.433410][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.433410][ T72] netlink_unicast+0x449/0x710 [ 2719.433410][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.433410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.433410][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.433410][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.433410][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.433410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.433410][ T72] [ 2719.435323][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2719.435323][ T72] dst_init+0x84/0x4a0 [ 2719.435323][ T72] dst_alloc+0x97/0x150 [ 2719.435323][ T72] ip6_dst_alloc+0x23/0x90 [ 2719.435323][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2719.435323][ T72] ip6_pol_route+0x56f/0x840 [ 2719.435323][ T72] fib6_rule_lookup+0x456/0x630 [ 2719.435323][ T72] ip6_route_input+0x59c/0xa50 [ 2719.435323][ T72] ipv6_rcv+0x397/0x810 [ 2719.435323][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2719.435323][ T72] process_backlog+0x101/0x620 [ 2719.435323][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2719.435323][ T72] net_rx_action+0x495/0xbe0 [ 2719.435323][ T72] __do_softirq+0x1b5/0x7f6 [ 2719.435323][ T72] [ 2719.436907][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2719.436907][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.436907][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.436907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.436907][ T72] ip6_route_add+0x1c/0x140 [ 2719.436907][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2719.436907][ T72] inet6_addr_add+0x4f8/0xa40 [ 2719.436907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.436907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.436907][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.436907][ T72] netlink_unicast+0x449/0x710 [ 2719.436907][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.436907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.436907][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.436907][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.436907][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.436907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.436907][ T72] [ 2719.438839][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2719.438839][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.438839][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.438839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.438839][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2719.438839][ T72] ipv6_add_addr+0x411/0x2000 [ 2719.438839][ T72] inet6_addr_add+0x30e/0xa40 [ 2719.438839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.438839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.438839][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.438839][ T72] netlink_unicast+0x449/0x710 [ 2719.438839][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.438839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.438839][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.438839][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.438839][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.438839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.438839][ T72] [ 2719.440781][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2719.440781][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.440781][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.440781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.440781][ T72] ip6_route_add+0x1c/0x140 [ 2719.440781][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2719.440781][ T72] addrconf_add_dev+0xe2/0x170 [ 2719.440781][ T72] inet6_addr_add+0x12f/0xa40 [ 2719.440781][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.440781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.440781][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.440781][ T72] netlink_unicast+0x449/0x710 [ 2719.440781][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.440781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.440781][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.440781][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.440781][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.440781][ T72] [ 2719.442699][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2719.442699][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2719.442699][ T72] ipv6_find_idev+0x102/0x170 [ 2719.442699][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.442699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.442699][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.442699][ T72] netlink_unicast+0x449/0x710 [ 2719.442699][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.442699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.442699][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.442699][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.442699][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.442699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.442699][ T72] [ 2719.444223][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2719.444223][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2719.444223][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2719.444223][ T72] ipv6_find_idev+0x102/0x170 [ 2719.444223][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.444223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.444223][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.444223][ T72] netlink_unicast+0x449/0x710 [ 2719.444223][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.444223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.444223][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.444223][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.444223][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.444223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.444223][ T72] [ 2719.445909][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2719.446180][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2719.446180][ T72] dst_init+0x84/0x4a0 [ 2719.446180][ T72] dst_alloc+0x97/0x150 [ 2719.446180][ T72] ip6_dst_alloc+0x23/0x90 [ 2719.446180][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2719.446180][ T72] ip6_pol_route+0x56f/0x840 [ 2719.446180][ T72] fib6_rule_lookup+0x456/0x630 [ 2719.446180][ T72] ip6_route_input+0x59c/0xa50 [ 2719.446180][ T72] ipv6_rcv+0x397/0x810 [ 2719.446180][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2719.446180][ T72] process_backlog+0x101/0x620 [ 2719.446180][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2719.446180][ T72] net_rx_action+0x495/0xbe0 [ 2719.446180][ T72] __do_softirq+0x1b5/0x7f6 [ 2719.446180][ T72] [ 2719.447805][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2719.447805][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.447805][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.447805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.447805][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2719.447805][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2719.447805][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2719.447805][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2719.447805][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2719.447805][ T72] addrconf_dad_begin+0x310/0x670 [ 2719.447805][ T72] addrconf_dad_work+0x10b/0xab0 [ 2719.447805][ T72] process_one_work+0x84d/0x18a0 [ 2719.447805][ T72] worker_thread+0x587/0xd30 [ 2719.447805][ T72] kthread+0x28a/0x350 [ 2719.447805][ T72] ret_from_fork+0x31/0x70 [ 2719.447805][ T72] ret_from_fork_asm+0x1a/0x30 [ 2719.447805][ T72] [ 2719.449682][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2719.449682][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.449682][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.449682][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.449682][ T72] ip6_route_add+0x1c/0x140 [ 2719.449682][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2719.449682][ T72] inet6_addr_add+0x4f8/0xa40 [ 2719.449682][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.449682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.449682][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.449682][ T72] netlink_unicast+0x449/0x710 [ 2719.449682][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.449682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.449682][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.449682][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.449682][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.449682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.449682][ T72] [ 2719.451640][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2719.451640][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.451640][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.451640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.451640][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2719.451640][ T72] ipv6_add_addr+0x411/0x2000 [ 2719.451640][ T72] inet6_addr_add+0x30e/0xa40 [ 2719.451640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.451640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.451640][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.451640][ T72] netlink_unicast+0x449/0x710 [ 2719.451640][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.451640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.451640][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.451640][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.451640][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.451640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.451640][ T72] [ 2719.453785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2719.453785][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.453785][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.453785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.453785][ T72] ip6_route_add+0x1c/0x140 [ 2719.453785][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2719.453785][ T72] addrconf_add_dev+0xe2/0x170 [ 2719.453785][ T72] inet6_addr_add+0x12f/0xa40 [ 2719.453785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.453785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.453785][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.453785][ T72] netlink_unicast+0x449/0x710 [ 2719.453785][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.453785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.453785][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.453785][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.453785][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.453785][ T72] [ 2719.455739][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2719.455739][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2719.455739][ T72] ipv6_find_idev+0x102/0x170 [ 2719.455739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.455739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.455739][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.455739][ T72] netlink_unicast+0x449/0x710 [ 2719.455739][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.455739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.455739][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.455739][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.455739][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.455739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.455739][ T72] [ 2719.457277][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2719.457277][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2719.457277][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2719.457277][ T72] ipv6_find_idev+0x102/0x170 [ 2719.457277][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.457277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.457277][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.457277][ T72] netlink_unicast+0x449/0x710 [ 2719.457277][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.457277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.457277][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.457277][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.457277][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.457277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.457277][ T72] [ 2719.459085][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2719.459413][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2719.459413][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2719.459413][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2719.459413][ T72] fib6_nh_init+0xa22/0x1580 [ 2719.459413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.459413][ T72] ip6_route_add+0x1c/0x140 [ 2719.459413][ T72] inet6_rtm_newroute+0x104/0x110 [ 2719.459413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.459413][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.459413][ T72] netlink_unicast+0x449/0x710 [ 2719.459413][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.459413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.459413][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.459413][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.459413][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.459413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.459413][ T72] [ 2719.461533][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2719.461533][ T72] dst_init+0x84/0x4a0 [ 2719.461533][ T72] dst_alloc+0x97/0x150 [ 2719.461533][ T72] ip6_dst_alloc+0x23/0x90 [ 2719.461533][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2719.461533][ T72] ip6_pol_route+0x56f/0x840 [ 2719.461533][ T72] fib6_rule_lookup+0x456/0x630 [ 2719.461533][ T72] ip6_route_input+0x59c/0xa50 [ 2719.461533][ T72] ipv6_rcv+0x397/0x810 [ 2719.461533][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2719.461533][ T72] process_backlog+0x101/0x620 [ 2719.461533][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2719.461533][ T72] net_rx_action+0x495/0xbe0 [ 2719.461533][ T72] __do_softirq+0x1b5/0x7f6 [ 2719.461533][ T72] [ 2719.463335][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2719.463335][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.463335][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.463335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.463335][ T72] ip6_route_add+0x1c/0x140 [ 2719.463335][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2719.463335][ T72] inet6_addr_add+0x4f8/0xa40 [ 2719.463335][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.463335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.463335][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.463335][ T72] netlink_unicast+0x449/0x710 [ 2719.463335][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.463335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.463335][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.463335][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.463335][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.463335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.463335][ T72] [ 2719.465603][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2719.465603][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.465603][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.465603][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.465603][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2719.465603][ T72] ipv6_add_addr+0x411/0x2000 [ 2719.465603][ T72] inet6_addr_add+0x30e/0xa40 [ 2719.465603][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.465603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.465603][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.465603][ T72] netlink_unicast+0x449/0x710 [ 2719.465603][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.465603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.465603][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.465603][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.465603][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.465603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.465603][ T72] [ 2719.467842][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2719.467842][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.467842][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.467842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.467842][ T72] ip6_route_add+0x1c/0x140 [ 2719.467842][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2719.467842][ T72] addrconf_add_dev+0xe2/0x170 [ 2719.467842][ T72] inet6_addr_add+0x12f/0xa40 [ 2719.467842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.467842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.467842][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.467842][ T72] netlink_unicast+0x449/0x710 [ 2719.467842][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.467842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.467842][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.467842][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.467842][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.467842][ T72] [ 2719.470085][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2719.470085][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2719.470085][ T72] ipv6_find_idev+0x102/0x170 [ 2719.470085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.470085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.470085][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.470085][ T72] netlink_unicast+0x449/0x710 [ 2719.470085][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.470085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.470085][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.470085][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.470085][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.470085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.470085][ T72] [ 2719.471813][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2719.471813][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2719.471813][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2719.471813][ T72] ipv6_find_idev+0x102/0x170 [ 2719.471813][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.471813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.471813][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.471813][ T72] netlink_unicast+0x449/0x710 [ 2719.471813][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.471813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.471813][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.471813][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.471813][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.471813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.471813][ T72] [ 2719.473682][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2719.474397][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2719.474397][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.474397][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.474397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.474397][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2719.474397][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2719.474397][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2719.474397][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2719.474397][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2719.474397][ T72] addrconf_dad_begin+0x310/0x670 [ 2719.474397][ T72] addrconf_dad_work+0x10b/0xab0 [ 2719.474397][ T72] process_one_work+0x84d/0x18a0 [ 2719.474397][ T72] worker_thread+0x587/0xd30 [ 2719.474397][ T72] kthread+0x28a/0x350 [ 2719.474397][ T72] ret_from_fork+0x31/0x70 [ 2719.474397][ T72] ret_from_fork_asm+0x1a/0x30 [ 2719.474397][ T72] [ 2719.476297][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2719.476297][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.476297][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.476297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.476297][ T72] ip6_route_add+0x1c/0x140 [ 2719.476297][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2719.476297][ T72] inet6_addr_add+0x4f8/0xa40 [ 2719.476297][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.476297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.476297][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.476297][ T72] netlink_unicast+0x449/0x710 [ 2719.476297][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.476297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.476297][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.476297][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.476297][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.476297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.476297][ T72] [ 2719.478406][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2719.478406][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.478406][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.478406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.478406][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2719.478406][ T72] ipv6_add_addr+0x411/0x2000 [ 2719.478406][ T72] inet6_addr_add+0x30e/0xa40 [ 2719.478406][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.478406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.478406][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.478406][ T72] netlink_unicast+0x449/0x710 [ 2719.478406][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.478406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.478406][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.478406][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.478406][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.478406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.478406][ T72] [ 2719.480639][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2719.480639][ T72] netdev_get_by_index+0x5e/0x80 [ 2719.480639][ T72] fib6_nh_init+0x3d8/0x1580 [ 2719.480639][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2719.480639][ T72] ip6_route_add+0x1c/0x140 [ 2719.480639][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2719.480639][ T72] addrconf_add_dev+0xe2/0x170 [ 2719.480639][ T72] inet6_addr_add+0x12f/0xa40 [ 2719.480639][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.480639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.480639][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.480639][ T72] netlink_unicast+0x449/0x710 [ 2719.480639][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.480639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.480639][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.480639][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.480639][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.480639][ T72] [ 2719.482895][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2719.482895][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2719.482895][ T72] ipv6_find_idev+0x102/0x170 [ 2719.482895][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.482895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.482895][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.482895][ T72] netlink_unicast+0x449/0x710 [ 2719.482895][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.482895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.482895][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.482895][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.482895][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.482895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.482895][ T72] [ 2719.484622][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2719.484622][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2719.484622][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2719.484622][ T72] ipv6_find_idev+0x102/0x170 [ 2719.484622][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.484622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.484622][ T72] netlink_rcv_skb+0x130/0x360 [ 2719.484622][ T72] netlink_unicast+0x449/0x710 [ 2719.484622][ T72] netlink_sendmsg+0x723/0xbe0 [ 2719.484622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2719.484622][ T72] ___sys_sendmsg+0xee/0x170 [ 2719.484622][ T72] __sys_sendmsg+0xcd/0x170 [ 2719.484622][ T72] do_syscall_64+0xc6/0x1e0 [ 2719.484622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.484622][ T72] [ 2729.729056][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2729.729593][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2729.729593][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2729.729593][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2729.729593][ T72] fib6_nh_init+0xa22/0x1580 [ 2729.729593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.729593][ T72] ip6_route_add+0x1c/0x140 [ 2729.729593][ T72] inet6_rtm_newroute+0x104/0x110 [ 2729.729593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.729593][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.729593][ T72] netlink_unicast+0x449/0x710 [ 2729.729593][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.729593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.729593][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.729593][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.729593][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.729593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.729593][ T72] [ 2729.731417][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2729.731417][ T72] dst_init+0x84/0x4a0 [ 2729.731417][ T72] dst_alloc+0x97/0x150 [ 2729.731417][ T72] ip6_dst_alloc+0x23/0x90 [ 2729.731417][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2729.731417][ T72] ip6_pol_route+0x56f/0x840 [ 2729.731417][ T72] fib6_rule_lookup+0x456/0x630 [ 2729.731417][ T72] ip6_route_input+0x59c/0xa50 [ 2729.731417][ T72] ipv6_rcv+0x397/0x810 [ 2729.731417][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2729.731417][ T72] process_backlog+0x101/0x620 [ 2729.731417][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2729.731417][ T72] net_rx_action+0x495/0xbe0 [ 2729.731417][ T72] __do_softirq+0x1b5/0x7f6 [ 2729.731417][ T72] [ 2729.733026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2729.733026][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.733026][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.733026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.733026][ T72] ip6_route_add+0x1c/0x140 [ 2729.733026][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2729.733026][ T72] inet6_addr_add+0x4f8/0xa40 [ 2729.733026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.733026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.733026][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.733026][ T72] netlink_unicast+0x449/0x710 [ 2729.733026][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.733026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.733026][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.733026][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.733026][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.733026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.733026][ T72] [ 2729.735046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2729.735046][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.735046][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.735046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.735046][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2729.735046][ T72] ipv6_add_addr+0x411/0x2000 [ 2729.735046][ T72] inet6_addr_add+0x30e/0xa40 [ 2729.735046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.735046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.735046][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.735046][ T72] netlink_unicast+0x449/0x710 [ 2729.735046][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.735046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.735046][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.735046][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.735046][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.735046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.735046][ T72] [ 2729.737074][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2729.737074][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.737074][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.737074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.737074][ T72] ip6_route_add+0x1c/0x140 [ 2729.737074][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2729.737074][ T72] addrconf_add_dev+0xe2/0x170 [ 2729.737074][ T72] inet6_addr_add+0x12f/0xa40 [ 2729.737074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.737074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.737074][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.737074][ T72] netlink_unicast+0x449/0x710 [ 2729.737074][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.737074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.737074][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.737074][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.737074][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.737074][ T72] [ 2729.739065][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2729.739065][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2729.739065][ T72] ipv6_find_idev+0x102/0x170 [ 2729.739065][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.739065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.739065][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.739065][ T72] netlink_unicast+0x449/0x710 [ 2729.739065][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.739065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.739065][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.739065][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.739065][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.739065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.739065][ T72] [ 2729.740588][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2729.740588][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2729.740588][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2729.740588][ T72] ipv6_find_idev+0x102/0x170 [ 2729.740588][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.740588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.740588][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.740588][ T72] netlink_unicast+0x449/0x710 [ 2729.740588][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.740588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.740588][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.740588][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.740588][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.740588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.740588][ T72] [ 2729.742881][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2729.743382][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2729.743382][ T72] dst_init+0x84/0x4a0 [ 2729.743382][ T72] dst_alloc+0x97/0x150 [ 2729.743382][ T72] ip6_dst_alloc+0x23/0x90 [ 2729.743382][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2729.743382][ T72] ip6_pol_route+0x56f/0x840 [ 2729.743382][ T72] fib6_rule_lookup+0x456/0x630 [ 2729.743382][ T72] ip6_route_input+0x59c/0xa50 [ 2729.743382][ T72] ipv6_rcv+0x397/0x810 [ 2729.743382][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2729.743382][ T72] process_backlog+0x101/0x620 [ 2729.743382][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2729.743382][ T72] net_rx_action+0x495/0xbe0 [ 2729.743382][ T72] __do_softirq+0x1b5/0x7f6 [ 2729.743382][ T72] [ 2729.746204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2729.746204][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.746204][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.746204][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.746204][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2729.746204][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2729.746204][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2729.746204][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2729.746204][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2729.746204][ T72] addrconf_dad_begin+0x310/0x670 [ 2729.746204][ T72] addrconf_dad_work+0x10b/0xab0 [ 2729.746204][ T72] process_one_work+0x84d/0x18a0 [ 2729.746204][ T72] worker_thread+0x587/0xd30 [ 2729.746204][ T72] kthread+0x28a/0x350 [ 2729.746204][ T72] ret_from_fork+0x31/0x70 [ 2729.746204][ T72] ret_from_fork_asm+0x1a/0x30 [ 2729.746204][ T72] [ 2729.749390][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2729.749390][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.749390][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.749390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.749390][ T72] ip6_route_add+0x1c/0x140 [ 2729.749390][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2729.749390][ T72] inet6_addr_add+0x4f8/0xa40 [ 2729.749390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.749390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.749390][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.749390][ T72] netlink_unicast+0x449/0x710 [ 2729.749390][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.749390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.749390][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.749390][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.749390][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.749390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.749390][ T72] [ 2729.752704][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2729.752704][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.752704][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.752704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.752704][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2729.752704][ T72] ipv6_add_addr+0x411/0x2000 [ 2729.752704][ T72] inet6_addr_add+0x30e/0xa40 [ 2729.752704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.752704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.752704][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.752704][ T72] netlink_unicast+0x449/0x710 [ 2729.752704][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.752704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.752704][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.752704][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.752704][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.752704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.752704][ T72] [ 2729.756073][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2729.756073][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.756073][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.756073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.756073][ T72] ip6_route_add+0x1c/0x140 [ 2729.756073][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2729.756073][ T72] addrconf_add_dev+0xe2/0x170 [ 2729.756073][ T72] inet6_addr_add+0x12f/0xa40 [ 2729.756073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.756073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.756073][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.756073][ T72] netlink_unicast+0x449/0x710 [ 2729.756073][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.756073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.756073][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.756073][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.756073][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.756073][ T72] [ 2729.759317][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2729.759317][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2729.759317][ T72] ipv6_find_idev+0x102/0x170 [ 2729.759317][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.759317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.759317][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.759317][ T72] netlink_unicast+0x449/0x710 [ 2729.759317][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.759317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.759317][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.759317][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.759317][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.759317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.759317][ T72] [ 2729.761882][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2729.761882][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2729.761882][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2729.761882][ T72] ipv6_find_idev+0x102/0x170 [ 2729.761882][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.761882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.761882][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.761882][ T72] netlink_unicast+0x449/0x710 [ 2729.761882][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.761882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.761882][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.761882][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.761882][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.761882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.761882][ T72] [ 2729.764779][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2729.765290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2729.765290][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2729.765290][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2729.765290][ T72] fib6_nh_init+0xa22/0x1580 [ 2729.765290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.765290][ T72] ip6_route_add+0x1c/0x140 [ 2729.765290][ T72] inet6_rtm_newroute+0x104/0x110 [ 2729.765290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.765290][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.765290][ T72] netlink_unicast+0x449/0x710 [ 2729.765290][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.765290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.765290][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.765290][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.765290][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.765290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.765290][ T72] [ 2729.768930][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2729.768930][ T72] dst_init+0x84/0x4a0 [ 2729.768930][ T72] dst_alloc+0x97/0x150 [ 2729.768930][ T72] ip6_dst_alloc+0x23/0x90 [ 2729.768930][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2729.768930][ T72] ip6_pol_route+0x56f/0x840 [ 2729.768930][ T72] fib6_rule_lookup+0x456/0x630 [ 2729.768930][ T72] ip6_route_input+0x59c/0xa50 [ 2729.768930][ T72] ipv6_rcv+0x397/0x810 [ 2729.768930][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2729.768930][ T72] process_backlog+0x101/0x620 [ 2729.768930][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2729.768930][ T72] net_rx_action+0x495/0xbe0 [ 2729.768930][ T72] __do_softirq+0x1b5/0x7f6 [ 2729.768930][ T72] [ 2729.771990][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2729.771990][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.771990][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.771990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.771990][ T72] ip6_route_add+0x1c/0x140 [ 2729.771990][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2729.771990][ T72] inet6_addr_add+0x4f8/0xa40 [ 2729.771990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.771990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.771990][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.771990][ T72] netlink_unicast+0x449/0x710 [ 2729.771990][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.771990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.771990][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.771990][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.771990][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.771990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.771990][ T72] [ 2729.775673][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2729.775673][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.775673][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.775673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.775673][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2729.775673][ T72] ipv6_add_addr+0x411/0x2000 [ 2729.775673][ T72] inet6_addr_add+0x30e/0xa40 [ 2729.775673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.775673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.775673][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.775673][ T72] netlink_unicast+0x449/0x710 [ 2729.775673][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.775673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.775673][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.775673][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.775673][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.775673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.775673][ T72] [ 2729.779210][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2729.779210][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.779210][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.779210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.779210][ T72] ip6_route_add+0x1c/0x140 [ 2729.779210][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2729.779210][ T72] addrconf_add_dev+0xe2/0x170 [ 2729.779210][ T72] inet6_addr_add+0x12f/0xa40 [ 2729.779210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.779210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.779210][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.779210][ T72] netlink_unicast+0x449/0x710 [ 2729.779210][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.779210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.779210][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.779210][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.779210][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.779210][ T72] [ 2729.782818][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2729.782818][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2729.782818][ T72] ipv6_find_idev+0x102/0x170 [ 2729.782818][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.782818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.782818][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.782818][ T72] netlink_unicast+0x449/0x710 [ 2729.782818][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.782818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.782818][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.782818][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.782818][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.782818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.782818][ T72] [ 2729.785695][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2729.785695][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2729.785695][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2729.785695][ T72] ipv6_find_idev+0x102/0x170 [ 2729.785695][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.785695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.785695][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.785695][ T72] netlink_unicast+0x449/0x710 [ 2729.785695][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.785695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.785695][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.785695][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.785695][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.785695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.785695][ T72] [ 2729.788918][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2729.789394][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2729.789394][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.789394][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.789394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.789394][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2729.789394][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2729.789394][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2729.789394][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2729.789394][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2729.789394][ T72] addrconf_dad_begin+0x310/0x670 [ 2729.789394][ T72] addrconf_dad_work+0x10b/0xab0 [ 2729.789394][ T72] process_one_work+0x84d/0x18a0 [ 2729.789394][ T72] worker_thread+0x587/0xd30 [ 2729.789394][ T72] kthread+0x28a/0x350 [ 2729.789394][ T72] ret_from_fork+0x31/0x70 [ 2729.789394][ T72] ret_from_fork_asm+0x1a/0x30 [ 2729.789394][ T72] [ 2729.792914][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2729.792914][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.792914][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.792914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.792914][ T72] ip6_route_add+0x1c/0x140 [ 2729.792914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2729.792914][ T72] inet6_addr_add+0x4f8/0xa40 [ 2729.792914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.792914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.792914][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.792914][ T72] netlink_unicast+0x449/0x710 [ 2729.792914][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.792914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.792914][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.792914][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.792914][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.792914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.792914][ T72] [ 2729.796447][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2729.796447][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.796447][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.796447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.796447][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2729.796447][ T72] ipv6_add_addr+0x411/0x2000 [ 2729.796447][ T72] inet6_addr_add+0x30e/0xa40 [ 2729.796447][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.796447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.796447][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.796447][ T72] netlink_unicast+0x449/0x710 [ 2729.796447][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.796447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.796447][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.796447][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.796447][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.796447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.796447][ T72] [ 2729.800364][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2729.800364][ T72] netdev_get_by_index+0x5e/0x80 [ 2729.800364][ T72] fib6_nh_init+0x3d8/0x1580 [ 2729.800364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2729.800364][ T72] ip6_route_add+0x1c/0x140 [ 2729.800364][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2729.800364][ T72] addrconf_add_dev+0xe2/0x170 [ 2729.800364][ T72] inet6_addr_add+0x12f/0xa40 [ 2729.800364][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.800364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.800364][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.800364][ T72] netlink_unicast+0x449/0x710 [ 2729.800364][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.800364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.800364][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.800364][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.800364][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.800364][ T72] [ 2729.803941][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2729.803941][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2729.803941][ T72] ipv6_find_idev+0x102/0x170 [ 2729.803941][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.803941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.803941][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.803941][ T72] netlink_unicast+0x449/0x710 [ 2729.803941][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.803941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.803941][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.803941][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.803941][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.803941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.803941][ T72] [ 2729.806760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2729.806760][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2729.806760][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2729.806760][ T72] ipv6_find_idev+0x102/0x170 [ 2729.806760][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.806760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.806760][ T72] netlink_rcv_skb+0x130/0x360 [ 2729.806760][ T72] netlink_unicast+0x449/0x710 [ 2729.806760][ T72] netlink_sendmsg+0x723/0xbe0 [ 2729.806760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2729.806760][ T72] ___sys_sendmsg+0xee/0x170 [ 2729.806760][ T72] __sys_sendmsg+0xcd/0x170 [ 2729.806760][ T72] do_syscall_64+0xc6/0x1e0 [ 2729.806760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.806760][ T72] [ 2740.049014][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2740.049614][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2740.049614][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2740.049614][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2740.049614][ T72] fib6_nh_init+0xa22/0x1580 [ 2740.049614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.049614][ T72] ip6_route_add+0x1c/0x140 [ 2740.049614][ T72] inet6_rtm_newroute+0x104/0x110 [ 2740.049614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.049614][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.049614][ T72] netlink_unicast+0x449/0x710 [ 2740.049614][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.049614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.049614][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.049614][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.049614][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.049614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.049614][ T72] [ 2740.051489][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2740.051489][ T72] dst_init+0x84/0x4a0 [ 2740.051489][ T72] dst_alloc+0x97/0x150 [ 2740.051489][ T72] ip6_dst_alloc+0x23/0x90 [ 2740.051489][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2740.051489][ T72] ip6_pol_route+0x56f/0x840 [ 2740.051489][ T72] fib6_rule_lookup+0x456/0x630 [ 2740.051489][ T72] ip6_route_input+0x59c/0xa50 [ 2740.051489][ T72] ipv6_rcv+0x397/0x810 [ 2740.051489][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2740.051489][ T72] process_backlog+0x101/0x620 [ 2740.051489][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2740.051489][ T72] net_rx_action+0x495/0xbe0 [ 2740.051489][ T72] __do_softirq+0x1b5/0x7f6 [ 2740.051489][ T72] [ 2740.053034][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2740.053034][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.053034][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.053034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.053034][ T72] ip6_route_add+0x1c/0x140 [ 2740.053034][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2740.053034][ T72] inet6_addr_add+0x4f8/0xa40 [ 2740.053034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.053034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.053034][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.053034][ T72] netlink_unicast+0x449/0x710 [ 2740.053034][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.053034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.053034][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.053034][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.053034][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.053034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.053034][ T72] [ 2740.054913][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2740.054913][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.054913][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.054913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.054913][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2740.054913][ T72] ipv6_add_addr+0x411/0x2000 [ 2740.054913][ T72] inet6_addr_add+0x30e/0xa40 [ 2740.054913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.054913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.054913][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.054913][ T72] netlink_unicast+0x449/0x710 [ 2740.054913][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.054913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.054913][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.054913][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.054913][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.054913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.054913][ T72] [ 2740.056884][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2740.056884][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.056884][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.056884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.056884][ T72] ip6_route_add+0x1c/0x140 [ 2740.056884][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2740.056884][ T72] addrconf_add_dev+0xe2/0x170 [ 2740.056884][ T72] inet6_addr_add+0x12f/0xa40 [ 2740.056884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.056884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.056884][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.056884][ T72] netlink_unicast+0x449/0x710 [ 2740.056884][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.056884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.056884][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.056884][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.056884][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.056884][ T72] [ 2740.058777][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2740.058777][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2740.058777][ T72] ipv6_find_idev+0x102/0x170 [ 2740.058777][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.058777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.058777][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.058777][ T72] netlink_unicast+0x449/0x710 [ 2740.058777][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.058777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.058777][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.058777][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.058777][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.058777][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.058777][ T72] [ 2740.060290][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2740.060290][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2740.060290][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2740.060290][ T72] ipv6_find_idev+0x102/0x170 [ 2740.060290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.060290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.060290][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.060290][ T72] netlink_unicast+0x449/0x710 [ 2740.060290][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.060290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.060290][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.060290][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.060290][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.060290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.060290][ T72] [ 2740.061872][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2740.062165][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2740.062165][ T72] dst_init+0x84/0x4a0 [ 2740.062165][ T72] dst_alloc+0x97/0x150 [ 2740.062165][ T72] ip6_dst_alloc+0x23/0x90 [ 2740.062165][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2740.062165][ T72] ip6_pol_route+0x56f/0x840 [ 2740.062165][ T72] fib6_rule_lookup+0x456/0x630 [ 2740.062165][ T72] ip6_route_input+0x59c/0xa50 [ 2740.062165][ T72] ipv6_rcv+0x397/0x810 [ 2740.062165][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2740.062165][ T72] process_backlog+0x101/0x620 [ 2740.062165][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2740.062165][ T72] net_rx_action+0x495/0xbe0 [ 2740.062165][ T72] __do_softirq+0x1b5/0x7f6 [ 2740.062165][ T72] [ 2740.063805][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2740.063805][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.063805][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.063805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.063805][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2740.063805][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2740.063805][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2740.063805][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2740.063805][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2740.063805][ T72] addrconf_dad_begin+0x310/0x670 [ 2740.063805][ T72] addrconf_dad_work+0x10b/0xab0 [ 2740.063805][ T72] process_one_work+0x84d/0x18a0 [ 2740.063805][ T72] worker_thread+0x587/0xd30 [ 2740.063805][ T72] kthread+0x28a/0x350 [ 2740.063805][ T72] ret_from_fork+0x31/0x70 [ 2740.063805][ T72] ret_from_fork_asm+0x1a/0x30 [ 2740.063805][ T72] [ 2740.065702][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2740.065702][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.065702][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.065702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.065702][ T72] ip6_route_add+0x1c/0x140 [ 2740.065702][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2740.065702][ T72] inet6_addr_add+0x4f8/0xa40 [ 2740.065702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.065702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.065702][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.065702][ T72] netlink_unicast+0x449/0x710 [ 2740.065702][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.065702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.065702][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.065702][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.065702][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.065702][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.065702][ T72] [ 2740.067607][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2740.067607][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.067607][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.067607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.067607][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2740.067607][ T72] ipv6_add_addr+0x411/0x2000 [ 2740.067607][ T72] inet6_addr_add+0x30e/0xa40 [ 2740.067607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.067607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.067607][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.067607][ T72] netlink_unicast+0x449/0x710 [ 2740.067607][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.067607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.067607][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.067607][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.067607][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.067607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.067607][ T72] [ 2740.069555][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2740.069555][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.069555][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.069555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.069555][ T72] ip6_route_add+0x1c/0x140 [ 2740.069555][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2740.069555][ T72] addrconf_add_dev+0xe2/0x170 [ 2740.069555][ T72] inet6_addr_add+0x12f/0xa40 [ 2740.069555][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.069555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.069555][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.069555][ T72] netlink_unicast+0x449/0x710 [ 2740.069555][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.069555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.069555][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.069555][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.069555][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.069555][ T72] [ 2740.071511][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2740.071511][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2740.071511][ T72] ipv6_find_idev+0x102/0x170 [ 2740.071511][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.071511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.071511][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.071511][ T72] netlink_unicast+0x449/0x710 [ 2740.071511][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.071511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.071511][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.071511][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.071511][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.071511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.071511][ T72] [ 2740.073045][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2740.073045][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2740.073045][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2740.073045][ T72] ipv6_find_idev+0x102/0x170 [ 2740.073045][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.073045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.073045][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.073045][ T72] netlink_unicast+0x449/0x710 [ 2740.073045][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.073045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.073045][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.073045][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.073045][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.073045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.073045][ T72] [ 2740.074821][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2740.075112][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2740.075112][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2740.075112][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2740.075112][ T72] fib6_nh_init+0xa22/0x1580 [ 2740.075112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.075112][ T72] ip6_route_add+0x1c/0x140 [ 2740.075112][ T72] inet6_rtm_newroute+0x104/0x110 [ 2740.075112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.075112][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.075112][ T72] netlink_unicast+0x449/0x710 [ 2740.075112][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.075112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.075112][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.075112][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.075112][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.075112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.075112][ T72] [ 2740.077325][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2740.077325][ T72] dst_init+0x84/0x4a0 [ 2740.077325][ T72] dst_alloc+0x97/0x150 [ 2740.077325][ T72] ip6_dst_alloc+0x23/0x90 [ 2740.077325][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2740.077325][ T72] ip6_pol_route+0x56f/0x840 [ 2740.077325][ T72] fib6_rule_lookup+0x456/0x630 [ 2740.077325][ T72] ip6_route_input+0x59c/0xa50 [ 2740.077325][ T72] ipv6_rcv+0x397/0x810 [ 2740.077325][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2740.077325][ T72] process_backlog+0x101/0x620 [ 2740.077325][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2740.077325][ T72] net_rx_action+0x495/0xbe0 [ 2740.077325][ T72] __do_softirq+0x1b5/0x7f6 [ 2740.077325][ T72] [ 2740.079143][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2740.079143][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.079143][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.079143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.079143][ T72] ip6_route_add+0x1c/0x140 [ 2740.079143][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2740.079143][ T72] inet6_addr_add+0x4f8/0xa40 [ 2740.079143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.079143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.079143][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.079143][ T72] netlink_unicast+0x449/0x710 [ 2740.079143][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.079143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.079143][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.079143][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.079143][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.079143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.079143][ T72] [ 2740.081407][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2740.081407][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.081407][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.081407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.081407][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2740.081407][ T72] ipv6_add_addr+0x411/0x2000 [ 2740.081407][ T72] inet6_addr_add+0x30e/0xa40 [ 2740.081407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.081407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.081407][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.081407][ T72] netlink_unicast+0x449/0x710 [ 2740.081407][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.081407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.081407][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.081407][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.081407][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.081407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.081407][ T72] [ 2740.083564][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2740.083564][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.083564][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.083564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.083564][ T72] ip6_route_add+0x1c/0x140 [ 2740.083564][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2740.083564][ T72] addrconf_add_dev+0xe2/0x170 [ 2740.083564][ T72] inet6_addr_add+0x12f/0xa40 [ 2740.083564][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.083564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.083564][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.083564][ T72] netlink_unicast+0x449/0x710 [ 2740.083564][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.083564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.083564][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.083564][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.083564][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.083564][ T72] [ 2740.085854][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2740.085854][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2740.085854][ T72] ipv6_find_idev+0x102/0x170 [ 2740.085854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.085854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.085854][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.085854][ T72] netlink_unicast+0x449/0x710 [ 2740.085854][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.085854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.085854][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.085854][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.085854][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.085854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.085854][ T72] [ 2740.087602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2740.087602][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2740.087602][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2740.087602][ T72] ipv6_find_idev+0x102/0x170 [ 2740.087602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.087602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.087602][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.087602][ T72] netlink_unicast+0x449/0x710 [ 2740.087602][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.087602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.087602][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.087602][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.087602][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.087602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.087602][ T72] [ 2740.089563][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2740.089838][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2740.089838][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.089838][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.089838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.089838][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2740.089838][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2740.089838][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2740.089838][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2740.089838][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2740.089838][ T72] addrconf_dad_begin+0x310/0x670 [ 2740.089838][ T72] addrconf_dad_work+0x10b/0xab0 [ 2740.089838][ T72] process_one_work+0x84d/0x18a0 [ 2740.089838][ T72] worker_thread+0x587/0xd30 [ 2740.089838][ T72] kthread+0x28a/0x350 [ 2740.089838][ T72] ret_from_fork+0x31/0x70 [ 2740.089838][ T72] ret_from_fork_asm+0x1a/0x30 [ 2740.089838][ T72] [ 2740.092541][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2740.092541][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.092541][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.092541][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.092541][ T72] ip6_route_add+0x1c/0x140 [ 2740.092541][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2740.092541][ T72] inet6_addr_add+0x4f8/0xa40 [ 2740.092541][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.092541][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.092541][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.092541][ T72] netlink_unicast+0x449/0x710 [ 2740.092541][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.092541][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.092541][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.092541][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.092541][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.092541][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.092541][ T72] [ 2740.095088][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2740.095088][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.095088][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.095088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.095088][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2740.095088][ T72] ipv6_add_addr+0x411/0x2000 [ 2740.095088][ T72] inet6_addr_add+0x30e/0xa40 [ 2740.095088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.095088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.095088][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.095088][ T72] netlink_unicast+0x449/0x710 [ 2740.095088][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.095088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.095088][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.095088][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.095088][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.095088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.095088][ T72] [ 2740.097469][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2740.097469][ T72] netdev_get_by_index+0x5e/0x80 [ 2740.097469][ T72] fib6_nh_init+0x3d8/0x1580 [ 2740.097469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2740.097469][ T72] ip6_route_add+0x1c/0x140 [ 2740.097469][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2740.097469][ T72] addrconf_add_dev+0xe2/0x170 [ 2740.097469][ T72] inet6_addr_add+0x12f/0xa40 [ 2740.097469][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.097469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.097469][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.097469][ T72] netlink_unicast+0x449/0x710 [ 2740.097469][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.097469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.097469][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.097469][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.097469][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.097469][ T72] [ 2740.099660][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2740.099660][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2740.099660][ T72] ipv6_find_idev+0x102/0x170 [ 2740.099660][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.099660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.099660][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.099660][ T72] netlink_unicast+0x449/0x710 [ 2740.099660][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.099660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.099660][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.099660][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.099660][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.099660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.099660][ T72] [ 2740.101378][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2740.101378][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2740.101378][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2740.101378][ T72] ipv6_find_idev+0x102/0x170 [ 2740.101378][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.101378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.101378][ T72] netlink_rcv_skb+0x130/0x360 [ 2740.101378][ T72] netlink_unicast+0x449/0x710 [ 2740.101378][ T72] netlink_sendmsg+0x723/0xbe0 [ 2740.101378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2740.101378][ T72] ___sys_sendmsg+0xee/0x170 [ 2740.101378][ T72] __sys_sendmsg+0xcd/0x170 [ 2740.101378][ T72] do_syscall_64+0xc6/0x1e0 [ 2740.101378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.101378][ T72] [ 2750.152917][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2750.153424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2750.153424][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2750.153424][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2750.153424][ T72] fib6_nh_init+0xa22/0x1580 [ 2750.153424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.153424][ T72] ip6_route_add+0x1c/0x140 [ 2750.153424][ T72] inet6_rtm_newroute+0x104/0x110 [ 2750.153424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.153424][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.153424][ T72] netlink_unicast+0x449/0x710 [ 2750.153424][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.153424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.153424][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.153424][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.153424][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.153424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.153424][ T72] [ 2750.155344][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2750.155344][ T72] dst_init+0x84/0x4a0 [ 2750.155344][ T72] dst_alloc+0x97/0x150 [ 2750.155344][ T72] ip6_dst_alloc+0x23/0x90 [ 2750.155344][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2750.155344][ T72] ip6_pol_route+0x56f/0x840 [ 2750.155344][ T72] fib6_rule_lookup+0x456/0x630 [ 2750.155344][ T72] ip6_route_input+0x59c/0xa50 [ 2750.155344][ T72] ipv6_rcv+0x397/0x810 [ 2750.155344][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2750.155344][ T72] process_backlog+0x101/0x620 [ 2750.155344][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2750.155344][ T72] net_rx_action+0x495/0xbe0 [ 2750.155344][ T72] __do_softirq+0x1b5/0x7f6 [ 2750.155344][ T72] [ 2750.156996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2750.156996][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.156996][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.156996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.156996][ T72] ip6_route_add+0x1c/0x140 [ 2750.156996][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2750.156996][ T72] inet6_addr_add+0x4f8/0xa40 [ 2750.156996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.156996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.156996][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.156996][ T72] netlink_unicast+0x449/0x710 [ 2750.156996][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.156996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.156996][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.156996][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.156996][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.156996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.156996][ T72] [ 2750.159014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2750.159014][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.159014][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.159014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.159014][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2750.159014][ T72] ipv6_add_addr+0x411/0x2000 [ 2750.159014][ T72] inet6_addr_add+0x30e/0xa40 [ 2750.159014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.159014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.159014][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.159014][ T72] netlink_unicast+0x449/0x710 [ 2750.159014][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.159014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.159014][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.159014][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.159014][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.159014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.159014][ T72] [ 2750.161012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2750.161012][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.161012][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.161012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.161012][ T72] ip6_route_add+0x1c/0x140 [ 2750.161012][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2750.161012][ T72] addrconf_add_dev+0xe2/0x170 [ 2750.161012][ T72] inet6_addr_add+0x12f/0xa40 [ 2750.161012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.161012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.161012][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.161012][ T72] netlink_unicast+0x449/0x710 [ 2750.161012][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.161012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.161012][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.161012][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.161012][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.161012][ T72] [ 2750.162984][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2750.162984][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2750.162984][ T72] ipv6_find_idev+0x102/0x170 [ 2750.162984][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.162984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.162984][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.162984][ T72] netlink_unicast+0x449/0x710 [ 2750.162984][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.162984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.162984][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.162984][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.162984][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.162984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.162984][ T72] [ 2750.164544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2750.164544][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2750.164544][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2750.164544][ T72] ipv6_find_idev+0x102/0x170 [ 2750.164544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.164544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.164544][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.164544][ T72] netlink_unicast+0x449/0x710 [ 2750.164544][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.164544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.164544][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.164544][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.164544][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.164544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.164544][ T72] [ 2750.166281][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2750.166560][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2750.166560][ T72] dst_init+0x84/0x4a0 [ 2750.166560][ T72] dst_alloc+0x97/0x150 [ 2750.166560][ T72] ip6_dst_alloc+0x23/0x90 [ 2750.166560][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2750.166560][ T72] ip6_pol_route+0x56f/0x840 [ 2750.166560][ T72] fib6_rule_lookup+0x456/0x630 [ 2750.166560][ T72] ip6_route_input+0x59c/0xa50 [ 2750.166560][ T72] ipv6_rcv+0x397/0x810 [ 2750.166560][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2750.166560][ T72] process_backlog+0x101/0x620 [ 2750.166560][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2750.166560][ T72] net_rx_action+0x495/0xbe0 [ 2750.166560][ T72] __do_softirq+0x1b5/0x7f6 [ 2750.166560][ T72] [ 2750.168220][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2750.168220][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.168220][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.168220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.168220][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2750.168220][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2750.168220][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2750.168220][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2750.168220][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2750.168220][ T72] addrconf_dad_begin+0x310/0x670 [ 2750.168220][ T72] addrconf_dad_work+0x10b/0xab0 [ 2750.168220][ T72] process_one_work+0x84d/0x18a0 [ 2750.168220][ T72] worker_thread+0x587/0xd30 [ 2750.168220][ T72] kthread+0x28a/0x350 [ 2750.168220][ T72] ret_from_fork+0x31/0x70 [ 2750.168220][ T72] ret_from_fork_asm+0x1a/0x30 [ 2750.168220][ T72] [ 2750.170147][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2750.170147][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.170147][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.170147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.170147][ T72] ip6_route_add+0x1c/0x140 [ 2750.170147][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2750.170147][ T72] inet6_addr_add+0x4f8/0xa40 [ 2750.170147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.170147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.170147][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.170147][ T72] netlink_unicast+0x449/0x710 [ 2750.170147][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.170147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.170147][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.170147][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.170147][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.170147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.170147][ T72] [ 2750.172143][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2750.172143][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.172143][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.172143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.172143][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2750.172143][ T72] ipv6_add_addr+0x411/0x2000 [ 2750.172143][ T72] inet6_addr_add+0x30e/0xa40 [ 2750.172143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.172143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.172143][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.172143][ T72] netlink_unicast+0x449/0x710 [ 2750.172143][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.172143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.172143][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.172143][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.172143][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.172143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.172143][ T72] [ 2750.174142][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2750.174142][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.174142][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.174142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.174142][ T72] ip6_route_add+0x1c/0x140 [ 2750.174142][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2750.174142][ T72] addrconf_add_dev+0xe2/0x170 [ 2750.174142][ T72] inet6_addr_add+0x12f/0xa40 [ 2750.174142][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.174142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.174142][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.174142][ T72] netlink_unicast+0x449/0x710 [ 2750.174142][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.174142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.174142][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.174142][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.174142][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.174142][ T72] [ 2750.176138][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2750.176138][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2750.176138][ T72] ipv6_find_idev+0x102/0x170 [ 2750.176138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.176138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.176138][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.176138][ T72] netlink_unicast+0x449/0x710 [ 2750.176138][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.176138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.176138][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.176138][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.176138][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.176138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.176138][ T72] [ 2750.177675][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2750.177675][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2750.177675][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2750.177675][ T72] ipv6_find_idev+0x102/0x170 [ 2750.177675][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.177675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.177675][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.177675][ T72] netlink_unicast+0x449/0x710 [ 2750.177675][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.177675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.177675][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.177675][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.177675][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.177675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.177675][ T72] [ 2750.179612][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2750.179892][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2750.179892][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2750.179892][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2750.179892][ T72] fib6_nh_init+0xa22/0x1580 [ 2750.179892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.179892][ T72] ip6_route_add+0x1c/0x140 [ 2750.179892][ T72] inet6_rtm_newroute+0x104/0x110 [ 2750.179892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.179892][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.179892][ T72] netlink_unicast+0x449/0x710 [ 2750.179892][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.179892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.179892][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.179892][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.179892][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.179892][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.179892][ T72] [ 2750.182107][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2750.182107][ T72] dst_init+0x84/0x4a0 [ 2750.182107][ T72] dst_alloc+0x97/0x150 [ 2750.182107][ T72] ip6_dst_alloc+0x23/0x90 [ 2750.182107][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2750.182107][ T72] ip6_pol_route+0x56f/0x840 [ 2750.182107][ T72] fib6_rule_lookup+0x456/0x630 [ 2750.182107][ T72] ip6_route_input+0x59c/0xa50 [ 2750.182107][ T72] ipv6_rcv+0x397/0x810 [ 2750.182107][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2750.182107][ T72] process_backlog+0x101/0x620 [ 2750.182107][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2750.182107][ T72] net_rx_action+0x495/0xbe0 [ 2750.182107][ T72] __do_softirq+0x1b5/0x7f6 [ 2750.182107][ T72] [ 2750.183928][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2750.183928][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.183928][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.183928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.183928][ T72] ip6_route_add+0x1c/0x140 [ 2750.183928][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2750.183928][ T72] inet6_addr_add+0x4f8/0xa40 [ 2750.183928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.183928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.183928][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.183928][ T72] netlink_unicast+0x449/0x710 [ 2750.183928][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.183928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.183928][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.183928][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.183928][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.183928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.183928][ T72] [ 2750.186176][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2750.186176][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.186176][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.186176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.186176][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2750.186176][ T72] ipv6_add_addr+0x411/0x2000 [ 2750.186176][ T72] inet6_addr_add+0x30e/0xa40 [ 2750.186176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.186176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.186176][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.186176][ T72] netlink_unicast+0x449/0x710 [ 2750.186176][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.186176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.186176][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.186176][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.186176][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.186176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.186176][ T72] [ 2750.188342][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2750.188342][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.188342][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.188342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.188342][ T72] ip6_route_add+0x1c/0x140 [ 2750.188342][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2750.188342][ T72] addrconf_add_dev+0xe2/0x170 [ 2750.188342][ T72] inet6_addr_add+0x12f/0xa40 [ 2750.188342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.188342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.188342][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.188342][ T72] netlink_unicast+0x449/0x710 [ 2750.188342][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.188342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.188342][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.188342][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.188342][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.188342][ T72] [ 2750.190625][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2750.190625][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2750.190625][ T72] ipv6_find_idev+0x102/0x170 [ 2750.190625][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.190625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.190625][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.190625][ T72] netlink_unicast+0x449/0x710 [ 2750.190625][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.190625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.190625][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.190625][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.190625][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.190625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.190625][ T72] [ 2750.192347][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2750.192347][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2750.192347][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2750.192347][ T72] ipv6_find_idev+0x102/0x170 [ 2750.192347][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.192347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.192347][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.192347][ T72] netlink_unicast+0x449/0x710 [ 2750.192347][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.192347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.192347][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.192347][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.192347][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.192347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.192347][ T72] [ 2750.194278][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2750.194554][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2750.194554][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.194554][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.194554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.194554][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2750.194554][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2750.194554][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2750.194554][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2750.194554][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2750.194554][ T72] addrconf_dad_begin+0x310/0x670 [ 2750.194554][ T72] addrconf_dad_work+0x10b/0xab0 [ 2750.194554][ T72] process_one_work+0x84d/0x18a0 [ 2750.194554][ T72] worker_thread+0x587/0xd30 [ 2750.194554][ T72] kthread+0x28a/0x350 [ 2750.194554][ T72] ret_from_fork+0x31/0x70 [ 2750.194554][ T72] ret_from_fork_asm+0x1a/0x30 [ 2750.194554][ T72] [ 2750.196748][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2750.196748][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.196748][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.196748][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.196748][ T72] ip6_route_add+0x1c/0x140 [ 2750.196748][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2750.196748][ T72] inet6_addr_add+0x4f8/0xa40 [ 2750.196748][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.196748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.196748][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.196748][ T72] netlink_unicast+0x449/0x710 [ 2750.196748][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.196748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.196748][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.196748][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.196748][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.196748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.196748][ T72] [ 2750.198925][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2750.198925][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.198925][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.198925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.198925][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2750.198925][ T72] ipv6_add_addr+0x411/0x2000 [ 2750.198925][ T72] inet6_addr_add+0x30e/0xa40 [ 2750.198925][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.198925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.198925][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.198925][ T72] netlink_unicast+0x449/0x710 [ 2750.198925][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.198925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.198925][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.198925][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.198925][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.198925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.198925][ T72] [ 2750.201262][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2750.201262][ T72] netdev_get_by_index+0x5e/0x80 [ 2750.201262][ T72] fib6_nh_init+0x3d8/0x1580 [ 2750.201262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2750.201262][ T72] ip6_route_add+0x1c/0x140 [ 2750.201262][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2750.201262][ T72] addrconf_add_dev+0xe2/0x170 [ 2750.201262][ T72] inet6_addr_add+0x12f/0xa40 [ 2750.201262][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.201262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.201262][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.201262][ T72] netlink_unicast+0x449/0x710 [ 2750.201262][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.201262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.201262][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.201262][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.201262][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.201262][ T72] [ 2750.203473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2750.203473][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2750.203473][ T72] ipv6_find_idev+0x102/0x170 [ 2750.203473][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.203473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.203473][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.203473][ T72] netlink_unicast+0x449/0x710 [ 2750.203473][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.203473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.203473][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.203473][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.203473][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.203473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.203473][ T72] [ 2750.205200][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2750.205200][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2750.205200][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2750.205200][ T72] ipv6_find_idev+0x102/0x170 [ 2750.205200][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.205200][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.205200][ T72] netlink_rcv_skb+0x130/0x360 [ 2750.205200][ T72] netlink_unicast+0x449/0x710 [ 2750.205200][ T72] netlink_sendmsg+0x723/0xbe0 [ 2750.205200][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2750.205200][ T72] ___sys_sendmsg+0xee/0x170 [ 2750.205200][ T72] __sys_sendmsg+0xcd/0x170 [ 2750.205200][ T72] do_syscall_64+0xc6/0x1e0 [ 2750.205200][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.205200][ T72] [ 2760.313000][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2760.313565][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2760.313565][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2760.313565][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2760.313565][ T72] fib6_nh_init+0xa22/0x1580 [ 2760.313565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.313565][ T72] ip6_route_add+0x1c/0x140 [ 2760.313565][ T72] inet6_rtm_newroute+0x104/0x110 [ 2760.313565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.313565][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.313565][ T72] netlink_unicast+0x449/0x710 [ 2760.313565][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.313565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.313565][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.313565][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.313565][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.313565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.313565][ T72] [ 2760.315365][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2760.315365][ T72] dst_init+0x84/0x4a0 [ 2760.315365][ T72] dst_alloc+0x97/0x150 [ 2760.315365][ T72] ip6_dst_alloc+0x23/0x90 [ 2760.315365][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2760.315365][ T72] ip6_pol_route+0x56f/0x840 [ 2760.315365][ T72] fib6_rule_lookup+0x456/0x630 [ 2760.315365][ T72] ip6_route_input+0x59c/0xa50 [ 2760.315365][ T72] ipv6_rcv+0x397/0x810 [ 2760.315365][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2760.315365][ T72] process_backlog+0x101/0x620 [ 2760.315365][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2760.315365][ T72] net_rx_action+0x495/0xbe0 [ 2760.315365][ T72] __do_softirq+0x1b5/0x7f6 [ 2760.315365][ T72] [ 2760.317135][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2760.317135][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.317135][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.317135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.317135][ T72] ip6_route_add+0x1c/0x140 [ 2760.317135][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2760.317135][ T72] inet6_addr_add+0x4f8/0xa40 [ 2760.317135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.317135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.317135][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.317135][ T72] netlink_unicast+0x449/0x710 [ 2760.317135][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.317135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.317135][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.317135][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.317135][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.317135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.317135][ T72] [ 2760.319090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2760.319090][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.319090][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.319090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.319090][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2760.319090][ T72] ipv6_add_addr+0x411/0x2000 [ 2760.319090][ T72] inet6_addr_add+0x30e/0xa40 [ 2760.319090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.319090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.319090][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.319090][ T72] netlink_unicast+0x449/0x710 [ 2760.319090][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.319090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.319090][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.319090][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.319090][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.319090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.319090][ T72] [ 2760.321068][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2760.321068][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.321068][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.321068][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.321068][ T72] ip6_route_add+0x1c/0x140 [ 2760.321068][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2760.321068][ T72] addrconf_add_dev+0xe2/0x170 [ 2760.321068][ T72] inet6_addr_add+0x12f/0xa40 [ 2760.321068][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.321068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.321068][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.321068][ T72] netlink_unicast+0x449/0x710 [ 2760.321068][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.321068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.321068][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.321068][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.321068][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.321068][ T72] [ 2760.323044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2760.323044][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2760.323044][ T72] ipv6_find_idev+0x102/0x170 [ 2760.323044][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.323044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.323044][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.323044][ T72] netlink_unicast+0x449/0x710 [ 2760.323044][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.323044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.323044][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.323044][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.323044][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.323044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.323044][ T72] [ 2760.324552][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2760.324552][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2760.324552][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2760.324552][ T72] ipv6_find_idev+0x102/0x170 [ 2760.324552][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.324552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.324552][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.324552][ T72] netlink_unicast+0x449/0x710 [ 2760.324552][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.324552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.324552][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.324552][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.324552][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.324552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.324552][ T72] [ 2760.326255][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2760.326538][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2760.326538][ T72] dst_init+0x84/0x4a0 [ 2760.326538][ T72] dst_alloc+0x97/0x150 [ 2760.326538][ T72] ip6_dst_alloc+0x23/0x90 [ 2760.326538][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2760.326538][ T72] ip6_pol_route+0x56f/0x840 [ 2760.326538][ T72] fib6_rule_lookup+0x456/0x630 [ 2760.326538][ T72] ip6_route_input+0x59c/0xa50 [ 2760.326538][ T72] ipv6_rcv+0x397/0x810 [ 2760.326538][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2760.326538][ T72] process_backlog+0x101/0x620 [ 2760.326538][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2760.326538][ T72] net_rx_action+0x495/0xbe0 [ 2760.326538][ T72] __do_softirq+0x1b5/0x7f6 [ 2760.326538][ T72] [ 2760.328215][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2760.328215][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.328215][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.328215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.328215][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2760.328215][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2760.328215][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2760.328215][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2760.328215][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2760.328215][ T72] addrconf_dad_begin+0x310/0x670 [ 2760.328215][ T72] addrconf_dad_work+0x10b/0xab0 [ 2760.328215][ T72] process_one_work+0x84d/0x18a0 [ 2760.328215][ T72] worker_thread+0x587/0xd30 [ 2760.328215][ T72] kthread+0x28a/0x350 [ 2760.328215][ T72] ret_from_fork+0x31/0x70 [ 2760.328215][ T72] ret_from_fork_asm+0x1a/0x30 [ 2760.328215][ T72] [ 2760.330083][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2760.330083][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.330083][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.330083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.330083][ T72] ip6_route_add+0x1c/0x140 [ 2760.330083][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2760.330083][ T72] inet6_addr_add+0x4f8/0xa40 [ 2760.330083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.330083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.330083][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.330083][ T72] netlink_unicast+0x449/0x710 [ 2760.330083][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.330083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.330083][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.330083][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.330083][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.330083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.330083][ T72] [ 2760.332029][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2760.332029][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.332029][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.332029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.332029][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2760.332029][ T72] ipv6_add_addr+0x411/0x2000 [ 2760.332029][ T72] inet6_addr_add+0x30e/0xa40 [ 2760.332029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.332029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.332029][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.332029][ T72] netlink_unicast+0x449/0x710 [ 2760.332029][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.332029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.332029][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.332029][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.332029][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.332029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.332029][ T72] [ 2760.333974][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2760.333974][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.333974][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.333974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.333974][ T72] ip6_route_add+0x1c/0x140 [ 2760.333974][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2760.333974][ T72] addrconf_add_dev+0xe2/0x170 [ 2760.333974][ T72] inet6_addr_add+0x12f/0xa40 [ 2760.333974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.333974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.333974][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.333974][ T72] netlink_unicast+0x449/0x710 [ 2760.333974][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.333974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.333974][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.333974][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.333974][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.333974][ T72] [ 2760.335894][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2760.335894][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2760.335894][ T72] ipv6_find_idev+0x102/0x170 [ 2760.335894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.335894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.335894][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.335894][ T72] netlink_unicast+0x449/0x710 [ 2760.335894][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.335894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.335894][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.335894][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.335894][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.335894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.335894][ T72] [ 2760.337434][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2760.337434][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2760.337434][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2760.337434][ T72] ipv6_find_idev+0x102/0x170 [ 2760.337434][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.337434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.337434][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.337434][ T72] netlink_unicast+0x449/0x710 [ 2760.337434][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.337434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.337434][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.337434][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.337434][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.337434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.337434][ T72] [ 2760.340458][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2760.340958][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2760.340958][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2760.340958][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2760.340958][ T72] fib6_nh_init+0xa22/0x1580 [ 2760.340958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.340958][ T72] ip6_route_add+0x1c/0x140 [ 2760.340958][ T72] inet6_rtm_newroute+0x104/0x110 [ 2760.340958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.340958][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.340958][ T72] netlink_unicast+0x449/0x710 [ 2760.340958][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.340958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.340958][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.340958][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.340958][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.340958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.340958][ T72] [ 2760.344748][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2760.344748][ T72] dst_init+0x84/0x4a0 [ 2760.344748][ T72] dst_alloc+0x97/0x150 [ 2760.344748][ T72] ip6_dst_alloc+0x23/0x90 [ 2760.344748][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2760.344748][ T72] ip6_pol_route+0x56f/0x840 [ 2760.344748][ T72] fib6_rule_lookup+0x456/0x630 [ 2760.344748][ T72] ip6_route_input+0x59c/0xa50 [ 2760.344748][ T72] ipv6_rcv+0x397/0x810 [ 2760.344748][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2760.344748][ T72] process_backlog+0x101/0x620 [ 2760.344748][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2760.344748][ T72] net_rx_action+0x495/0xbe0 [ 2760.344748][ T72] __do_softirq+0x1b5/0x7f6 [ 2760.344748][ T72] [ 2760.347827][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2760.347827][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.347827][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.347827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.347827][ T72] ip6_route_add+0x1c/0x140 [ 2760.347827][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2760.347827][ T72] inet6_addr_add+0x4f8/0xa40 [ 2760.347827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.347827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.347827][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.347827][ T72] netlink_unicast+0x449/0x710 [ 2760.347827][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.347827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.347827][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.347827][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.347827][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.347827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.347827][ T72] [ 2760.351530][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2760.351530][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.351530][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.351530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.351530][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2760.351530][ T72] ipv6_add_addr+0x411/0x2000 [ 2760.351530][ T72] inet6_addr_add+0x30e/0xa40 [ 2760.351530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.351530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.351530][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.351530][ T72] netlink_unicast+0x449/0x710 [ 2760.351530][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.351530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.351530][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.351530][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.351530][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.351530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.351530][ T72] [ 2760.355162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2760.355162][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.355162][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.355162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.355162][ T72] ip6_route_add+0x1c/0x140 [ 2760.355162][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2760.355162][ T72] addrconf_add_dev+0xe2/0x170 [ 2760.355162][ T72] inet6_addr_add+0x12f/0xa40 [ 2760.355162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.355162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.355162][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.355162][ T72] netlink_unicast+0x449/0x710 [ 2760.355162][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.355162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.355162][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.355162][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.355162][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.355162][ T72] [ 2760.358914][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2760.358914][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2760.358914][ T72] ipv6_find_idev+0x102/0x170 [ 2760.358914][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.358914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.358914][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.358914][ T72] netlink_unicast+0x449/0x710 [ 2760.358914][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.358914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.358914][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.358914][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.358914][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.358914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.358914][ T72] [ 2760.361792][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2760.361792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2760.361792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2760.361792][ T72] ipv6_find_idev+0x102/0x170 [ 2760.361792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.361792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.361792][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.361792][ T72] netlink_unicast+0x449/0x710 [ 2760.361792][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.361792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.361792][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.361792][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.361792][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.361792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.361792][ T72] [ 2760.364948][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2760.365420][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2760.365420][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.365420][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.365420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.365420][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2760.365420][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2760.365420][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2760.365420][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2760.365420][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2760.365420][ T72] addrconf_dad_begin+0x310/0x670 [ 2760.365420][ T72] addrconf_dad_work+0x10b/0xab0 [ 2760.365420][ T72] process_one_work+0x84d/0x18a0 [ 2760.365420][ T72] worker_thread+0x587/0xd30 [ 2760.365420][ T72] kthread+0x28a/0x350 [ 2760.365420][ T72] ret_from_fork+0x31/0x70 [ 2760.365420][ T72] ret_from_fork_asm+0x1a/0x30 [ 2760.365420][ T72] [ 2760.369073][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2760.369073][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.369073][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.369073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.369073][ T72] ip6_route_add+0x1c/0x140 [ 2760.369073][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2760.369073][ T72] inet6_addr_add+0x4f8/0xa40 [ 2760.369073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.369073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.369073][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.369073][ T72] netlink_unicast+0x449/0x710 [ 2760.369073][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.369073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.369073][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.369073][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.369073][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.369073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.369073][ T72] [ 2760.372666][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2760.372666][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.372666][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.372666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.372666][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2760.372666][ T72] ipv6_add_addr+0x411/0x2000 [ 2760.372666][ T72] inet6_addr_add+0x30e/0xa40 [ 2760.372666][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.372666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.372666][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.372666][ T72] netlink_unicast+0x449/0x710 [ 2760.372666][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.372666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.372666][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.372666][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.372666][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.372666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.372666][ T72] [ 2760.376457][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2760.376457][ T72] netdev_get_by_index+0x5e/0x80 [ 2760.376457][ T72] fib6_nh_init+0x3d8/0x1580 [ 2760.376457][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2760.376457][ T72] ip6_route_add+0x1c/0x140 [ 2760.376457][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2760.376457][ T72] addrconf_add_dev+0xe2/0x170 [ 2760.376457][ T72] inet6_addr_add+0x12f/0xa40 [ 2760.376457][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.376457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.376457][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.376457][ T72] netlink_unicast+0x449/0x710 [ 2760.376457][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.376457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.376457][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.376457][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.376457][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.376457][ T72] [ 2760.380112][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2760.380112][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2760.380112][ T72] ipv6_find_idev+0x102/0x170 [ 2760.380112][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.380112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.380112][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.380112][ T72] netlink_unicast+0x449/0x710 [ 2760.380112][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.380112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.380112][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.380112][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.380112][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.380112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.380112][ T72] [ 2760.382990][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2760.382990][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2760.382990][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2760.382990][ T72] ipv6_find_idev+0x102/0x170 [ 2760.382990][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.382990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.382990][ T72] netlink_rcv_skb+0x130/0x360 [ 2760.382990][ T72] netlink_unicast+0x449/0x710 [ 2760.382990][ T72] netlink_sendmsg+0x723/0xbe0 [ 2760.382990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2760.382990][ T72] ___sys_sendmsg+0xee/0x170 [ 2760.382990][ T72] __sys_sendmsg+0xcd/0x170 [ 2760.382990][ T72] do_syscall_64+0xc6/0x1e0 [ 2760.382990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.382990][ T72] [ 2770.424993][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2770.425510][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2770.425510][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2770.425510][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2770.425510][ T72] fib6_nh_init+0xa22/0x1580 [ 2770.425510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.425510][ T72] ip6_route_add+0x1c/0x140 [ 2770.425510][ T72] inet6_rtm_newroute+0x104/0x110 [ 2770.425510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.425510][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.425510][ T72] netlink_unicast+0x449/0x710 [ 2770.425510][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.425510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.425510][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.425510][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.425510][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.425510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.425510][ T72] [ 2770.427306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2770.427306][ T72] dst_init+0x84/0x4a0 [ 2770.427306][ T72] dst_alloc+0x97/0x150 [ 2770.427306][ T72] ip6_dst_alloc+0x23/0x90 [ 2770.427306][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2770.427306][ T72] ip6_pol_route+0x56f/0x840 [ 2770.427306][ T72] fib6_rule_lookup+0x456/0x630 [ 2770.427306][ T72] ip6_route_input+0x59c/0xa50 [ 2770.427306][ T72] ipv6_rcv+0x397/0x810 [ 2770.427306][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2770.427306][ T72] process_backlog+0x101/0x620 [ 2770.427306][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2770.427306][ T72] net_rx_action+0x495/0xbe0 [ 2770.427306][ T72] __do_softirq+0x1b5/0x7f6 [ 2770.427306][ T72] [ 2770.428896][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2770.428896][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.428896][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.428896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.428896][ T72] ip6_route_add+0x1c/0x140 [ 2770.428896][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2770.428896][ T72] inet6_addr_add+0x4f8/0xa40 [ 2770.428896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.428896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.428896][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.428896][ T72] netlink_unicast+0x449/0x710 [ 2770.428896][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.428896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.428896][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.428896][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.428896][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.428896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.428896][ T72] [ 2770.430863][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2770.430863][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.430863][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.430863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.430863][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2770.430863][ T72] ipv6_add_addr+0x411/0x2000 [ 2770.430863][ T72] inet6_addr_add+0x30e/0xa40 [ 2770.430863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.430863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.430863][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.430863][ T72] netlink_unicast+0x449/0x710 [ 2770.430863][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.430863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.430863][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.430863][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.430863][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.430863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.430863][ T72] [ 2770.432842][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2770.432842][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.432842][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.432842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.432842][ T72] ip6_route_add+0x1c/0x140 [ 2770.432842][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2770.432842][ T72] addrconf_add_dev+0xe2/0x170 [ 2770.432842][ T72] inet6_addr_add+0x12f/0xa40 [ 2770.432842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.432842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.432842][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.432842][ T72] netlink_unicast+0x449/0x710 [ 2770.432842][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.432842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.432842][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.432842][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.432842][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.432842][ T72] [ 2770.434859][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2770.434859][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2770.434859][ T72] ipv6_find_idev+0x102/0x170 [ 2770.434859][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.434859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.434859][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.434859][ T72] netlink_unicast+0x449/0x710 [ 2770.434859][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.434859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.434859][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.434859][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.434859][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.434859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.434859][ T72] [ 2770.436413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2770.436413][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2770.436413][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2770.436413][ T72] ipv6_find_idev+0x102/0x170 [ 2770.436413][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.436413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.436413][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.436413][ T72] netlink_unicast+0x449/0x710 [ 2770.436413][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.436413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.436413][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.436413][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.436413][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.436413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.436413][ T72] [ 2770.438162][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2770.438444][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2770.438444][ T72] dst_init+0x84/0x4a0 [ 2770.438444][ T72] dst_alloc+0x97/0x150 [ 2770.438444][ T72] ip6_dst_alloc+0x23/0x90 [ 2770.438444][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2770.438444][ T72] ip6_pol_route+0x56f/0x840 [ 2770.438444][ T72] fib6_rule_lookup+0x456/0x630 [ 2770.438444][ T72] ip6_route_input+0x59c/0xa50 [ 2770.438444][ T72] ipv6_rcv+0x397/0x810 [ 2770.438444][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2770.438444][ T72] process_backlog+0x101/0x620 [ 2770.438444][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2770.438444][ T72] net_rx_action+0x495/0xbe0 [ 2770.438444][ T72] __do_softirq+0x1b5/0x7f6 [ 2770.438444][ T72] [ 2770.440084][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2770.440084][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.440084][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.440084][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.440084][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2770.440084][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2770.440084][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2770.440084][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2770.440084][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2770.440084][ T72] addrconf_dad_begin+0x310/0x670 [ 2770.440084][ T72] addrconf_dad_work+0x10b/0xab0 [ 2770.440084][ T72] process_one_work+0x84d/0x18a0 [ 2770.440084][ T72] worker_thread+0x587/0xd30 [ 2770.440084][ T72] kthread+0x28a/0x350 [ 2770.440084][ T72] ret_from_fork+0x31/0x70 [ 2770.440084][ T72] ret_from_fork_asm+0x1a/0x30 [ 2770.440084][ T72] [ 2770.441997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2770.441997][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.441997][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.441997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.441997][ T72] ip6_route_add+0x1c/0x140 [ 2770.441997][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2770.441997][ T72] inet6_addr_add+0x4f8/0xa40 [ 2770.441997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.441997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.441997][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.441997][ T72] netlink_unicast+0x449/0x710 [ 2770.441997][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.441997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.441997][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.441997][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.441997][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.441997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.441997][ T72] [ 2770.443983][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2770.443983][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.443983][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.443983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.443983][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2770.443983][ T72] ipv6_add_addr+0x411/0x2000 [ 2770.443983][ T72] inet6_addr_add+0x30e/0xa40 [ 2770.443983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.443983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.443983][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.443983][ T72] netlink_unicast+0x449/0x710 [ 2770.443983][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.443983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.443983][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.443983][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.443983][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.443983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.443983][ T72] [ 2770.446007][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2770.446007][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.446007][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.446007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.446007][ T72] ip6_route_add+0x1c/0x140 [ 2770.446007][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2770.446007][ T72] addrconf_add_dev+0xe2/0x170 [ 2770.446007][ T72] inet6_addr_add+0x12f/0xa40 [ 2770.446007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.446007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.446007][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.446007][ T72] netlink_unicast+0x449/0x710 [ 2770.446007][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.446007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.446007][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.446007][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.446007][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.446007][ T72] [ 2770.447973][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2770.447973][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2770.447973][ T72] ipv6_find_idev+0x102/0x170 [ 2770.447973][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.447973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.447973][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.447973][ T72] netlink_unicast+0x449/0x710 [ 2770.447973][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.447973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.447973][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.447973][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.447973][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.447973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.447973][ T72] [ 2770.449702][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2770.449702][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2770.449702][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2770.449702][ T72] ipv6_find_idev+0x102/0x170 [ 2770.449702][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.449702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.449702][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.449702][ T72] netlink_unicast+0x449/0x710 [ 2770.449702][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.449702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.449702][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.449702][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.449702][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.449702][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.449702][ T72] [ 2770.451625][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2770.451935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2770.451935][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2770.451935][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2770.451935][ T72] fib6_nh_init+0xa22/0x1580 [ 2770.451935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.451935][ T72] ip6_route_add+0x1c/0x140 [ 2770.451935][ T72] inet6_rtm_newroute+0x104/0x110 [ 2770.451935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.451935][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.451935][ T72] netlink_unicast+0x449/0x710 [ 2770.451935][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.451935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.451935][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.451935][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.451935][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.451935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.451935][ T72] [ 2770.454225][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2770.454225][ T72] dst_init+0x84/0x4a0 [ 2770.454225][ T72] dst_alloc+0x97/0x150 [ 2770.454225][ T72] ip6_dst_alloc+0x23/0x90 [ 2770.454225][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2770.454225][ T72] ip6_pol_route+0x56f/0x840 [ 2770.454225][ T72] fib6_rule_lookup+0x456/0x630 [ 2770.454225][ T72] ip6_route_input+0x59c/0xa50 [ 2770.454225][ T72] ipv6_rcv+0x397/0x810 [ 2770.454225][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2770.454225][ T72] process_backlog+0x101/0x620 [ 2770.454225][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2770.454225][ T72] net_rx_action+0x495/0xbe0 [ 2770.454225][ T72] __do_softirq+0x1b5/0x7f6 [ 2770.454225][ T72] [ 2770.456139][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2770.456139][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.456139][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.456139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.456139][ T72] ip6_route_add+0x1c/0x140 [ 2770.456139][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2770.456139][ T72] inet6_addr_add+0x4f8/0xa40 [ 2770.456139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.456139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.456139][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.456139][ T72] netlink_unicast+0x449/0x710 [ 2770.456139][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.456139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.456139][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.456139][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.456139][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.456139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.456139][ T72] [ 2770.458469][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2770.458469][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.458469][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.458469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.458469][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2770.458469][ T72] ipv6_add_addr+0x411/0x2000 [ 2770.458469][ T72] inet6_addr_add+0x30e/0xa40 [ 2770.458469][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.458469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.458469][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.458469][ T72] netlink_unicast+0x449/0x710 [ 2770.458469][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.458469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.458469][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.458469][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.458469][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.458469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.458469][ T72] [ 2770.460776][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2770.460776][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.460776][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.460776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.460776][ T72] ip6_route_add+0x1c/0x140 [ 2770.460776][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2770.460776][ T72] addrconf_add_dev+0xe2/0x170 [ 2770.460776][ T72] inet6_addr_add+0x12f/0xa40 [ 2770.460776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.460776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.460776][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.460776][ T72] netlink_unicast+0x449/0x710 [ 2770.460776][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.460776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.460776][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.460776][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.460776][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.460776][ T72] [ 2770.463148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2770.463148][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2770.463148][ T72] ipv6_find_idev+0x102/0x170 [ 2770.463148][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.463148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.463148][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.463148][ T72] netlink_unicast+0x449/0x710 [ 2770.463148][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.463148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.463148][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.463148][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.463148][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.463148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.463148][ T72] [ 2770.464970][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2770.464970][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2770.464970][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2770.464970][ T72] ipv6_find_idev+0x102/0x170 [ 2770.464970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.464970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.464970][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.464970][ T72] netlink_unicast+0x449/0x710 [ 2770.464970][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.464970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.464970][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.464970][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.464970][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.464970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.464970][ T72] [ 2770.466965][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2770.467270][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2770.467270][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.467270][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.467270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.467270][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2770.467270][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2770.467270][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2770.467270][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2770.467270][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2770.467270][ T72] addrconf_dad_begin+0x310/0x670 [ 2770.467270][ T72] addrconf_dad_work+0x10b/0xab0 [ 2770.467270][ T72] process_one_work+0x84d/0x18a0 [ 2770.467270][ T72] worker_thread+0x587/0xd30 [ 2770.467270][ T72] kthread+0x28a/0x350 [ 2770.467270][ T72] ret_from_fork+0x31/0x70 [ 2770.467270][ T72] ret_from_fork_asm+0x1a/0x30 [ 2770.467270][ T72] [ 2770.469543][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2770.469543][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.469543][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.469543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.469543][ T72] ip6_route_add+0x1c/0x140 [ 2770.469543][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2770.469543][ T72] inet6_addr_add+0x4f8/0xa40 [ 2770.469543][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.469543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.469543][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.469543][ T72] netlink_unicast+0x449/0x710 [ 2770.469543][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.469543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.469543][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.469543][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.469543][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.469543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.469543][ T72] [ 2770.471818][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2770.471818][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.471818][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.471818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.471818][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2770.471818][ T72] ipv6_add_addr+0x411/0x2000 [ 2770.471818][ T72] inet6_addr_add+0x30e/0xa40 [ 2770.471818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.471818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.471818][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.471818][ T72] netlink_unicast+0x449/0x710 [ 2770.471818][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.471818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.471818][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.471818][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.471818][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.471818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.471818][ T72] [ 2770.474205][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2770.474205][ T72] netdev_get_by_index+0x5e/0x80 [ 2770.474205][ T72] fib6_nh_init+0x3d8/0x1580 [ 2770.474205][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2770.474205][ T72] ip6_route_add+0x1c/0x140 [ 2770.474205][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2770.474205][ T72] addrconf_add_dev+0xe2/0x170 [ 2770.474205][ T72] inet6_addr_add+0x12f/0xa40 [ 2770.474205][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.474205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.474205][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.474205][ T72] netlink_unicast+0x449/0x710 [ 2770.474205][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.474205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.474205][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.474205][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.474205][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.474205][ T72] [ 2770.476535][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2770.476535][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2770.476535][ T72] ipv6_find_idev+0x102/0x170 [ 2770.476535][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.476535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.476535][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.476535][ T72] netlink_unicast+0x449/0x710 [ 2770.476535][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.476535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.476535][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.476535][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.476535][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.476535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.476535][ T72] [ 2770.478332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2770.478332][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2770.478332][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2770.478332][ T72] ipv6_find_idev+0x102/0x170 [ 2770.478332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.478332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.478332][ T72] netlink_rcv_skb+0x130/0x360 [ 2770.478332][ T72] netlink_unicast+0x449/0x710 [ 2770.478332][ T72] netlink_sendmsg+0x723/0xbe0 [ 2770.478332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2770.478332][ T72] ___sys_sendmsg+0xee/0x170 [ 2770.478332][ T72] __sys_sendmsg+0xcd/0x170 [ 2770.478332][ T72] do_syscall_64+0xc6/0x1e0 [ 2770.478332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.478332][ T72] [ 2780.672979][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2780.673592][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2780.673592][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2780.673592][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2780.673592][ T72] fib6_nh_init+0xa22/0x1580 [ 2780.673592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.673592][ T72] ip6_route_add+0x1c/0x140 [ 2780.673592][ T72] inet6_rtm_newroute+0x104/0x110 [ 2780.673592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.673592][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.673592][ T72] netlink_unicast+0x449/0x710 [ 2780.673592][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.673592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.673592][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.673592][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.673592][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.673592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.673592][ T72] [ 2780.675570][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2780.675570][ T72] dst_init+0x84/0x4a0 [ 2780.675570][ T72] dst_alloc+0x97/0x150 [ 2780.675570][ T72] ip6_dst_alloc+0x23/0x90 [ 2780.675570][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2780.675570][ T72] ip6_pol_route+0x56f/0x840 [ 2780.675570][ T72] fib6_rule_lookup+0x456/0x630 [ 2780.675570][ T72] ip6_route_input+0x59c/0xa50 [ 2780.675570][ T72] ipv6_rcv+0x397/0x810 [ 2780.675570][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2780.675570][ T72] process_backlog+0x101/0x620 [ 2780.675570][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2780.675570][ T72] net_rx_action+0x495/0xbe0 [ 2780.675570][ T72] __do_softirq+0x1b5/0x7f6 [ 2780.675570][ T72] [ 2780.677260][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2780.677260][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.677260][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.677260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.677260][ T72] ip6_route_add+0x1c/0x140 [ 2780.677260][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2780.677260][ T72] inet6_addr_add+0x4f8/0xa40 [ 2780.677260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.677260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.677260][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.677260][ T72] netlink_unicast+0x449/0x710 [ 2780.677260][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.677260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.677260][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.677260][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.677260][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.677260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.677260][ T72] [ 2780.679370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2780.679370][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.679370][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.679370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.679370][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2780.679370][ T72] ipv6_add_addr+0x411/0x2000 [ 2780.679370][ T72] inet6_addr_add+0x30e/0xa40 [ 2780.679370][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.679370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.679370][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.679370][ T72] netlink_unicast+0x449/0x710 [ 2780.679370][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.679370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.679370][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.679370][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.679370][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.679370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.679370][ T72] [ 2780.681984][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2780.681984][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.681984][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.681984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.681984][ T72] ip6_route_add+0x1c/0x140 [ 2780.681984][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2780.681984][ T72] addrconf_add_dev+0xe2/0x170 [ 2780.681984][ T72] inet6_addr_add+0x12f/0xa40 [ 2780.681984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.681984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.681984][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.681984][ T72] netlink_unicast+0x449/0x710 [ 2780.681984][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.681984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.681984][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.681984][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.681984][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.681984][ T72] [ 2780.684354][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2780.684354][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2780.684354][ T72] ipv6_find_idev+0x102/0x170 [ 2780.684354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.684354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.684354][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.684354][ T72] netlink_unicast+0x449/0x710 [ 2780.684354][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.684354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.684354][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.684354][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.684354][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.684354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.684354][ T72] [ 2780.686014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2780.686014][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2780.686014][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2780.686014][ T72] ipv6_find_idev+0x102/0x170 [ 2780.686014][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.686014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.686014][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.686014][ T72] netlink_unicast+0x449/0x710 [ 2780.686014][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.686014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.686014][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.686014][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.686014][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.686014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.686014][ T72] [ 2780.687821][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2780.688106][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2780.688106][ T72] dst_init+0x84/0x4a0 [ 2780.688106][ T72] dst_alloc+0x97/0x150 [ 2780.688106][ T72] ip6_dst_alloc+0x23/0x90 [ 2780.688106][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2780.688106][ T72] ip6_pol_route+0x56f/0x840 [ 2780.688106][ T72] fib6_rule_lookup+0x456/0x630 [ 2780.688106][ T72] ip6_route_input+0x59c/0xa50 [ 2780.688106][ T72] ipv6_rcv+0x397/0x810 [ 2780.688106][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2780.688106][ T72] process_backlog+0x101/0x620 [ 2780.688106][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2780.688106][ T72] net_rx_action+0x495/0xbe0 [ 2780.688106][ T72] __do_softirq+0x1b5/0x7f6 [ 2780.688106][ T72] [ 2780.689775][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2780.689775][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.689775][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.689775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.689775][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2780.689775][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2780.689775][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2780.689775][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2780.689775][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2780.689775][ T72] addrconf_dad_begin+0x310/0x670 [ 2780.689775][ T72] addrconf_dad_work+0x10b/0xab0 [ 2780.689775][ T72] process_one_work+0x84d/0x18a0 [ 2780.689775][ T72] worker_thread+0x587/0xd30 [ 2780.689775][ T72] kthread+0x28a/0x350 [ 2780.689775][ T72] ret_from_fork+0x31/0x70 [ 2780.689775][ T72] ret_from_fork_asm+0x1a/0x30 [ 2780.689775][ T72] [ 2780.691650][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2780.691650][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.691650][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.691650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.691650][ T72] ip6_route_add+0x1c/0x140 [ 2780.691650][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2780.691650][ T72] inet6_addr_add+0x4f8/0xa40 [ 2780.691650][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.691650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.691650][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.691650][ T72] netlink_unicast+0x449/0x710 [ 2780.691650][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.691650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.691650][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.691650][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.691650][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.691650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.691650][ T72] [ 2780.693672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2780.693672][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.693672][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.693672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.693672][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2780.693672][ T72] ipv6_add_addr+0x411/0x2000 [ 2780.693672][ T72] inet6_addr_add+0x30e/0xa40 [ 2780.693672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.693672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.693672][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.693672][ T72] netlink_unicast+0x449/0x710 [ 2780.693672][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.693672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.693672][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.693672][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.693672][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.693672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.693672][ T72] [ 2780.695817][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2780.695817][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.695817][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.695817][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.695817][ T72] ip6_route_add+0x1c/0x140 [ 2780.695817][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2780.695817][ T72] addrconf_add_dev+0xe2/0x170 [ 2780.695817][ T72] inet6_addr_add+0x12f/0xa40 [ 2780.695817][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.695817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.695817][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.695817][ T72] netlink_unicast+0x449/0x710 [ 2780.695817][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.695817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.695817][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.695817][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.695817][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.695817][ T72] [ 2780.697876][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2780.697876][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2780.697876][ T72] ipv6_find_idev+0x102/0x170 [ 2780.697876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.697876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.697876][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.697876][ T72] netlink_unicast+0x449/0x710 [ 2780.697876][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.697876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.697876][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.697876][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.697876][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.697876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.697876][ T72] [ 2780.699468][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2780.699468][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2780.699468][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2780.699468][ T72] ipv6_find_idev+0x102/0x170 [ 2780.699468][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.699468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.699468][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.699468][ T72] netlink_unicast+0x449/0x710 [ 2780.699468][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.699468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.699468][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.699468][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.699468][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.699468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.699468][ T72] [ 2780.701309][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2780.701608][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2780.701608][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2780.701608][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2780.701608][ T72] fib6_nh_init+0xa22/0x1580 [ 2780.701608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.701608][ T72] ip6_route_add+0x1c/0x140 [ 2780.701608][ T72] inet6_rtm_newroute+0x104/0x110 [ 2780.701608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.701608][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.701608][ T72] netlink_unicast+0x449/0x710 [ 2780.701608][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.701608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.701608][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.701608][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.701608][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.701608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.701608][ T72] [ 2780.703857][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2780.703857][ T72] dst_init+0x84/0x4a0 [ 2780.703857][ T72] dst_alloc+0x97/0x150 [ 2780.703857][ T72] ip6_dst_alloc+0x23/0x90 [ 2780.703857][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2780.703857][ T72] ip6_pol_route+0x56f/0x840 [ 2780.703857][ T72] fib6_rule_lookup+0x456/0x630 [ 2780.703857][ T72] ip6_route_input+0x59c/0xa50 [ 2780.703857][ T72] ipv6_rcv+0x397/0x810 [ 2780.703857][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2780.703857][ T72] process_backlog+0x101/0x620 [ 2780.703857][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2780.703857][ T72] net_rx_action+0x495/0xbe0 [ 2780.703857][ T72] __do_softirq+0x1b5/0x7f6 [ 2780.703857][ T72] [ 2780.705707][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2780.705707][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.705707][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.705707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.705707][ T72] ip6_route_add+0x1c/0x140 [ 2780.705707][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2780.705707][ T72] inet6_addr_add+0x4f8/0xa40 [ 2780.705707][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.705707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.705707][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.705707][ T72] netlink_unicast+0x449/0x710 [ 2780.705707][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.705707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.705707][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.705707][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.705707][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.705707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.705707][ T72] [ 2780.708038][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2780.708038][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.708038][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.708038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.708038][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2780.708038][ T72] ipv6_add_addr+0x411/0x2000 [ 2780.708038][ T72] inet6_addr_add+0x30e/0xa40 [ 2780.708038][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.708038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.708038][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.708038][ T72] netlink_unicast+0x449/0x710 [ 2780.708038][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.708038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.708038][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.708038][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.708038][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.708038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.708038][ T72] [ 2780.710290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2780.710290][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.710290][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.710290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.710290][ T72] ip6_route_add+0x1c/0x140 [ 2780.710290][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2780.710290][ T72] addrconf_add_dev+0xe2/0x170 [ 2780.710290][ T72] inet6_addr_add+0x12f/0xa40 [ 2780.710290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.710290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.710290][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.710290][ T72] netlink_unicast+0x449/0x710 [ 2780.710290][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.710290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.710290][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.710290][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.710290][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.710290][ T72] [ 2780.712649][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2780.712649][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2780.712649][ T72] ipv6_find_idev+0x102/0x170 [ 2780.712649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.712649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.712649][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.712649][ T72] netlink_unicast+0x449/0x710 [ 2780.712649][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.712649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.712649][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.712649][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.712649][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.712649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.712649][ T72] [ 2780.714461][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2780.714461][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2780.714461][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2780.714461][ T72] ipv6_find_idev+0x102/0x170 [ 2780.714461][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.714461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.714461][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.714461][ T72] netlink_unicast+0x449/0x710 [ 2780.714461][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.714461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.714461][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.714461][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.714461][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.714461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.714461][ T72] [ 2780.716510][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2780.716800][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2780.716800][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.716800][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.716800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.716800][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2780.716800][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2780.716800][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2780.716800][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2780.716800][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2780.716800][ T72] addrconf_dad_begin+0x310/0x670 [ 2780.716800][ T72] addrconf_dad_work+0x10b/0xab0 [ 2780.716800][ T72] process_one_work+0x84d/0x18a0 [ 2780.716800][ T72] worker_thread+0x587/0xd30 [ 2780.716800][ T72] kthread+0x28a/0x350 [ 2780.716800][ T72] ret_from_fork+0x31/0x70 [ 2780.716800][ T72] ret_from_fork_asm+0x1a/0x30 [ 2780.716800][ T72] [ 2780.719063][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2780.719063][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.719063][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.719063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.719063][ T72] ip6_route_add+0x1c/0x140 [ 2780.719063][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2780.719063][ T72] inet6_addr_add+0x4f8/0xa40 [ 2780.719063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.719063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.719063][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.719063][ T72] netlink_unicast+0x449/0x710 [ 2780.719063][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.719063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.719063][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.719063][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.719063][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.719063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.719063][ T72] [ 2780.721319][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2780.721319][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.721319][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.721319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.721319][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2780.721319][ T72] ipv6_add_addr+0x411/0x2000 [ 2780.721319][ T72] inet6_addr_add+0x30e/0xa40 [ 2780.721319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.721319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.721319][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.721319][ T72] netlink_unicast+0x449/0x710 [ 2780.721319][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.721319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.721319][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.721319][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.721319][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.721319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.721319][ T72] [ 2780.723705][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2780.723705][ T72] netdev_get_by_index+0x5e/0x80 [ 2780.723705][ T72] fib6_nh_init+0x3d8/0x1580 [ 2780.723705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2780.723705][ T72] ip6_route_add+0x1c/0x140 [ 2780.723705][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2780.723705][ T72] addrconf_add_dev+0xe2/0x170 [ 2780.723705][ T72] inet6_addr_add+0x12f/0xa40 [ 2780.723705][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.723705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.723705][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.723705][ T72] netlink_unicast+0x449/0x710 [ 2780.723705][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.723705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.723705][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.723705][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.723705][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.723705][ T72] [ 2780.726017][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2780.726017][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2780.726017][ T72] ipv6_find_idev+0x102/0x170 [ 2780.726017][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.726017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.726017][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.726017][ T72] netlink_unicast+0x449/0x710 [ 2780.726017][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.726017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.726017][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.726017][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.726017][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.726017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.726017][ T72] [ 2780.727803][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2780.727803][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2780.727803][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2780.727803][ T72] ipv6_find_idev+0x102/0x170 [ 2780.727803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.727803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.727803][ T72] netlink_rcv_skb+0x130/0x360 [ 2780.727803][ T72] netlink_unicast+0x449/0x710 [ 2780.727803][ T72] netlink_sendmsg+0x723/0xbe0 [ 2780.727803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2780.727803][ T72] ___sys_sendmsg+0xee/0x170 [ 2780.727803][ T72] __sys_sendmsg+0xcd/0x170 [ 2780.727803][ T72] do_syscall_64+0xc6/0x1e0 [ 2780.727803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.727803][ T72] [ 2790.976984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2790.977544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2790.977544][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2790.977544][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2790.977544][ T72] fib6_nh_init+0xa22/0x1580 [ 2790.977544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2790.977544][ T72] ip6_route_add+0x1c/0x140 [ 2790.977544][ T72] inet6_rtm_newroute+0x104/0x110 [ 2790.977544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.977544][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.977544][ T72] netlink_unicast+0x449/0x710 [ 2790.977544][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.977544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.977544][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.977544][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.977544][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.977544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.977544][ T72] [ 2790.979541][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2790.979541][ T72] dst_init+0x84/0x4a0 [ 2790.979541][ T72] dst_alloc+0x97/0x150 [ 2790.979541][ T72] ip6_dst_alloc+0x23/0x90 [ 2790.979541][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2790.979541][ T72] ip6_pol_route+0x56f/0x840 [ 2790.979541][ T72] fib6_rule_lookup+0x456/0x630 [ 2790.979541][ T72] ip6_route_input+0x59c/0xa50 [ 2790.979541][ T72] ipv6_rcv+0x397/0x810 [ 2790.979541][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2790.979541][ T72] process_backlog+0x101/0x620 [ 2790.979541][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2790.979541][ T72] net_rx_action+0x495/0xbe0 [ 2790.979541][ T72] __do_softirq+0x1b5/0x7f6 [ 2790.979541][ T72] [ 2790.981174][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2790.981174][ T72] netdev_get_by_index+0x5e/0x80 [ 2790.981174][ T72] fib6_nh_init+0x3d8/0x1580 [ 2790.981174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2790.981174][ T72] ip6_route_add+0x1c/0x140 [ 2790.981174][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2790.981174][ T72] inet6_addr_add+0x4f8/0xa40 [ 2790.981174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.981174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.981174][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.981174][ T72] netlink_unicast+0x449/0x710 [ 2790.981174][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.981174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.981174][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.981174][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.981174][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.981174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.981174][ T72] [ 2790.983140][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2790.983140][ T72] netdev_get_by_index+0x5e/0x80 [ 2790.983140][ T72] fib6_nh_init+0x3d8/0x1580 [ 2790.983140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2790.983140][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2790.983140][ T72] ipv6_add_addr+0x411/0x2000 [ 2790.983140][ T72] inet6_addr_add+0x30e/0xa40 [ 2790.983140][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.983140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.983140][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.983140][ T72] netlink_unicast+0x449/0x710 [ 2790.983140][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.983140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.983140][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.983140][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.983140][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.983140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.983140][ T72] [ 2790.985225][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2790.985225][ T72] netdev_get_by_index+0x5e/0x80 [ 2790.985225][ T72] fib6_nh_init+0x3d8/0x1580 [ 2790.985225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2790.985225][ T72] ip6_route_add+0x1c/0x140 [ 2790.985225][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2790.985225][ T72] addrconf_add_dev+0xe2/0x170 [ 2790.985225][ T72] inet6_addr_add+0x12f/0xa40 [ 2790.985225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.985225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.985225][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.985225][ T72] netlink_unicast+0x449/0x710 [ 2790.985225][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.985225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.985225][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.985225][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.985225][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.985225][ T72] [ 2790.987309][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2790.987309][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2790.987309][ T72] ipv6_find_idev+0x102/0x170 [ 2790.987309][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.987309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.987309][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.987309][ T72] netlink_unicast+0x449/0x710 [ 2790.987309][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.987309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.987309][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.987309][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.987309][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.987309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.987309][ T72] [ 2790.988854][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2790.988854][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2790.988854][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2790.988854][ T72] ipv6_find_idev+0x102/0x170 [ 2790.988854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.988854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.988854][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.988854][ T72] netlink_unicast+0x449/0x710 [ 2790.988854][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.988854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.988854][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.988854][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.988854][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.988854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.988854][ T72] [ 2790.990609][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2790.990922][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2790.990922][ T72] dst_init+0x84/0x4a0 [ 2790.990922][ T72] dst_alloc+0x97/0x150 [ 2790.990922][ T72] ip6_dst_alloc+0x23/0x90 [ 2790.990922][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2790.990922][ T72] ip6_pol_route+0x56f/0x840 [ 2790.990922][ T72] fib6_rule_lookup+0x456/0x630 [ 2790.990922][ T72] ip6_route_input+0x59c/0xa50 [ 2790.990922][ T72] ipv6_rcv+0x397/0x810 [ 2790.990922][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2790.990922][ T72] process_backlog+0x101/0x620 [ 2790.990922][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2790.990922][ T72] net_rx_action+0x495/0xbe0 [ 2790.990922][ T72] __do_softirq+0x1b5/0x7f6 [ 2790.990922][ T72] [ 2790.992666][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2790.992666][ T72] netdev_get_by_index+0x5e/0x80 [ 2790.992666][ T72] fib6_nh_init+0x3d8/0x1580 [ 2790.992666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2790.992666][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2790.992666][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2790.992666][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2790.992666][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2790.992666][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2790.992666][ T72] addrconf_dad_begin+0x310/0x670 [ 2790.992666][ T72] addrconf_dad_work+0x10b/0xab0 [ 2790.992666][ T72] process_one_work+0x84d/0x18a0 [ 2790.992666][ T72] worker_thread+0x587/0xd30 [ 2790.992666][ T72] kthread+0x28a/0x350 [ 2790.992666][ T72] ret_from_fork+0x31/0x70 [ 2790.992666][ T72] ret_from_fork_asm+0x1a/0x30 [ 2790.992666][ T72] [ 2790.994668][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2790.994668][ T72] netdev_get_by_index+0x5e/0x80 [ 2790.994668][ T72] fib6_nh_init+0x3d8/0x1580 [ 2790.994668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2790.994668][ T72] ip6_route_add+0x1c/0x140 [ 2790.994668][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2790.994668][ T72] inet6_addr_add+0x4f8/0xa40 [ 2790.994668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.994668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.994668][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.994668][ T72] netlink_unicast+0x449/0x710 [ 2790.994668][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.994668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.994668][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.994668][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.994668][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.994668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.994668][ T72] [ 2790.996757][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2790.996757][ T72] netdev_get_by_index+0x5e/0x80 [ 2790.996757][ T72] fib6_nh_init+0x3d8/0x1580 [ 2790.996757][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2790.996757][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2790.996757][ T72] ipv6_add_addr+0x411/0x2000 [ 2790.996757][ T72] inet6_addr_add+0x30e/0xa40 [ 2790.996757][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.996757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.996757][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.996757][ T72] netlink_unicast+0x449/0x710 [ 2790.996757][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.996757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.996757][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.996757][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.996757][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.996757][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.996757][ T72] [ 2790.998805][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2790.998805][ T72] netdev_get_by_index+0x5e/0x80 [ 2790.998805][ T72] fib6_nh_init+0x3d8/0x1580 [ 2790.998805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2790.998805][ T72] ip6_route_add+0x1c/0x140 [ 2790.998805][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2790.998805][ T72] addrconf_add_dev+0xe2/0x170 [ 2790.998805][ T72] inet6_addr_add+0x12f/0xa40 [ 2790.998805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.998805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.998805][ T72] netlink_rcv_skb+0x130/0x360 [ 2790.998805][ T72] netlink_unicast+0x449/0x710 [ 2790.998805][ T72] netlink_sendmsg+0x723/0xbe0 [ 2790.998805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2790.998805][ T72] ___sys_sendmsg+0xee/0x170 [ 2790.998805][ T72] __sys_sendmsg+0xcd/0x170 [ 2790.998805][ T72] do_syscall_64+0xc6/0x1e0 [ 2790.998805][ T72] [ 2791.000895][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2791.000895][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2791.000895][ T72] ipv6_find_idev+0x102/0x170 [ 2791.000895][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2791.000895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.000895][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.000895][ T72] netlink_unicast+0x449/0x710 [ 2791.000895][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.000895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.000895][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.000895][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.000895][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.000895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.000895][ T72] [ 2791.002528][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2791.002528][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2791.002528][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2791.002528][ T72] ipv6_find_idev+0x102/0x170 [ 2791.002528][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2791.002528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.002528][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.002528][ T72] netlink_unicast+0x449/0x710 [ 2791.002528][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.002528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.002528][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.002528][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.002528][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.002528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.002528][ T72] [ 2791.004403][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2791.004684][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2791.004684][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2791.004684][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2791.004684][ T72] fib6_nh_init+0xa22/0x1580 [ 2791.004684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2791.004684][ T72] ip6_route_add+0x1c/0x140 [ 2791.004684][ T72] inet6_rtm_newroute+0x104/0x110 [ 2791.004684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.004684][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.004684][ T72] netlink_unicast+0x449/0x710 [ 2791.004684][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.004684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.004684][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.004684][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.004684][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.004684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.004684][ T72] [ 2791.006967][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2791.006967][ T72] dst_init+0x84/0x4a0 [ 2791.006967][ T72] dst_alloc+0x97/0x150 [ 2791.006967][ T72] ip6_dst_alloc+0x23/0x90 [ 2791.006967][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2791.006967][ T72] ip6_pol_route+0x56f/0x840 [ 2791.006967][ T72] fib6_rule_lookup+0x456/0x630 [ 2791.006967][ T72] ip6_route_input+0x59c/0xa50 [ 2791.006967][ T72] ipv6_rcv+0x397/0x810 [ 2791.006967][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2791.006967][ T72] process_backlog+0x101/0x620 [ 2791.006967][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2791.006967][ T72] net_rx_action+0x495/0xbe0 [ 2791.006967][ T72] __do_softirq+0x1b5/0x7f6 [ 2791.006967][ T72] [ 2791.008872][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2791.008872][ T72] netdev_get_by_index+0x5e/0x80 [ 2791.008872][ T72] fib6_nh_init+0x3d8/0x1580 [ 2791.008872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2791.008872][ T72] ip6_route_add+0x1c/0x140 [ 2791.008872][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2791.008872][ T72] inet6_addr_add+0x4f8/0xa40 [ 2791.008872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.008872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.008872][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.008872][ T72] netlink_unicast+0x449/0x710 [ 2791.008872][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.008872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.008872][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.008872][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.008872][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.008872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.008872][ T72] [ 2791.011200][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2791.011200][ T72] netdev_get_by_index+0x5e/0x80 [ 2791.011200][ T72] fib6_nh_init+0x3d8/0x1580 [ 2791.011200][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2791.011200][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2791.011200][ T72] ipv6_add_addr+0x411/0x2000 [ 2791.011200][ T72] inet6_addr_add+0x30e/0xa40 [ 2791.011200][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.011200][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.011200][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.011200][ T72] netlink_unicast+0x449/0x710 [ 2791.011200][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.011200][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.011200][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.011200][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.011200][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.011200][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.011200][ T72] [ 2791.013412][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2791.013412][ T72] netdev_get_by_index+0x5e/0x80 [ 2791.013412][ T72] fib6_nh_init+0x3d8/0x1580 [ 2791.013412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2791.013412][ T72] ip6_route_add+0x1c/0x140 [ 2791.013412][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2791.013412][ T72] addrconf_add_dev+0xe2/0x170 [ 2791.013412][ T72] inet6_addr_add+0x12f/0xa40 [ 2791.013412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.013412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.013412][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.013412][ T72] netlink_unicast+0x449/0x710 [ 2791.013412][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.013412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.013412][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.013412][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.013412][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.013412][ T72] [ 2791.015764][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2791.015764][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2791.015764][ T72] ipv6_find_idev+0x102/0x170 [ 2791.015764][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2791.015764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.015764][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.015764][ T72] netlink_unicast+0x449/0x710 [ 2791.015764][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.015764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.015764][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.015764][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.015764][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.015764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.015764][ T72] [ 2791.017555][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2791.017555][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2791.017555][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2791.017555][ T72] ipv6_find_idev+0x102/0x170 [ 2791.017555][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2791.017555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.017555][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.017555][ T72] netlink_unicast+0x449/0x710 [ 2791.017555][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.017555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.017555][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.017555][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.017555][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.017555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.017555][ T72] [ 2791.019523][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2791.019832][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2791.019832][ T72] netdev_get_by_index+0x5e/0x80 [ 2791.019832][ T72] fib6_nh_init+0x3d8/0x1580 [ 2791.019832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2791.019832][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2791.019832][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2791.019832][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2791.019832][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2791.019832][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2791.019832][ T72] addrconf_dad_begin+0x310/0x670 [ 2791.019832][ T72] addrconf_dad_work+0x10b/0xab0 [ 2791.019832][ T72] process_one_work+0x84d/0x18a0 [ 2791.019832][ T72] worker_thread+0x587/0xd30 [ 2791.019832][ T72] kthread+0x28a/0x350 [ 2791.019832][ T72] ret_from_fork+0x31/0x70 [ 2791.019832][ T72] ret_from_fork_asm+0x1a/0x30 [ 2791.019832][ T72] [ 2791.022084][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2791.022084][ T72] netdev_get_by_index+0x5e/0x80 [ 2791.022084][ T72] fib6_nh_init+0x3d8/0x1580 [ 2791.022084][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2791.022084][ T72] ip6_route_add+0x1c/0x140 [ 2791.022084][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2791.022084][ T72] inet6_addr_add+0x4f8/0xa40 [ 2791.022084][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.022084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.022084][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.022084][ T72] netlink_unicast+0x449/0x710 [ 2791.022084][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.022084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.022084][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.022084][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.022084][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.022084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.022084][ T72] [ 2791.024361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2791.024361][ T72] netdev_get_by_index+0x5e/0x80 [ 2791.024361][ T72] fib6_nh_init+0x3d8/0x1580 [ 2791.024361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2791.024361][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2791.024361][ T72] ipv6_add_addr+0x411/0x2000 [ 2791.024361][ T72] inet6_addr_add+0x30e/0xa40 [ 2791.024361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.024361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.024361][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.024361][ T72] netlink_unicast+0x449/0x710 [ 2791.024361][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.024361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.024361][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.024361][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.024361][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.024361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.024361][ T72] [ 2791.026753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2791.026753][ T72] netdev_get_by_index+0x5e/0x80 [ 2791.026753][ T72] fib6_nh_init+0x3d8/0x1580 [ 2791.026753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2791.026753][ T72] ip6_route_add+0x1c/0x140 [ 2791.026753][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2791.026753][ T72] addrconf_add_dev+0xe2/0x170 [ 2791.026753][ T72] inet6_addr_add+0x12f/0xa40 [ 2791.026753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.026753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.026753][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.026753][ T72] netlink_unicast+0x449/0x710 [ 2791.026753][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.026753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.026753][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.026753][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.026753][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.026753][ T72] [ 2791.029049][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2791.029049][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2791.029049][ T72] ipv6_find_idev+0x102/0x170 [ 2791.029049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2791.029049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.029049][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.029049][ T72] netlink_unicast+0x449/0x710 [ 2791.029049][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.029049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.029049][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.029049][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.029049][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.029049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.029049][ T72] [ 2791.030851][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2791.030851][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2791.030851][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2791.030851][ T72] ipv6_find_idev+0x102/0x170 [ 2791.030851][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2791.030851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.030851][ T72] netlink_rcv_skb+0x130/0x360 [ 2791.030851][ T72] netlink_unicast+0x449/0x710 [ 2791.030851][ T72] netlink_sendmsg+0x723/0xbe0 [ 2791.030851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2791.030851][ T72] ___sys_sendmsg+0xee/0x170 [ 2791.030851][ T72] __sys_sendmsg+0xcd/0x170 [ 2791.030851][ T72] do_syscall_64+0xc6/0x1e0 [ 2791.030851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.030851][ T72] [ 2801.288918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2801.289433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2801.289433][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2801.289433][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2801.289433][ T72] fib6_nh_init+0xa22/0x1580 [ 2801.289433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.289433][ T72] ip6_route_add+0x1c/0x140 [ 2801.289433][ T72] inet6_rtm_newroute+0x104/0x110 [ 2801.289433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.289433][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.289433][ T72] netlink_unicast+0x449/0x710 [ 2801.289433][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.289433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.289433][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.289433][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.289433][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.289433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.289433][ T72] [ 2801.291418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2801.291418][ T72] dst_init+0x84/0x4a0 [ 2801.291418][ T72] dst_alloc+0x97/0x150 [ 2801.291418][ T72] ip6_dst_alloc+0x23/0x90 [ 2801.291418][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2801.291418][ T72] ip6_pol_route+0x56f/0x840 [ 2801.291418][ T72] fib6_rule_lookup+0x456/0x630 [ 2801.291418][ T72] ip6_route_input+0x59c/0xa50 [ 2801.291418][ T72] ipv6_rcv+0x397/0x810 [ 2801.291418][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2801.291418][ T72] process_backlog+0x101/0x620 [ 2801.291418][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2801.291418][ T72] net_rx_action+0x495/0xbe0 [ 2801.291418][ T72] __do_softirq+0x1b5/0x7f6 [ 2801.291418][ T72] [ 2801.293148][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2801.293148][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.293148][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.293148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.293148][ T72] ip6_route_add+0x1c/0x140 [ 2801.293148][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2801.293148][ T72] inet6_addr_add+0x4f8/0xa40 [ 2801.293148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.293148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.293148][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.293148][ T72] netlink_unicast+0x449/0x710 [ 2801.293148][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.293148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.293148][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.293148][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.293148][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.293148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.293148][ T72] [ 2801.295232][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2801.295232][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.295232][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.295232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.295232][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2801.295232][ T72] ipv6_add_addr+0x411/0x2000 [ 2801.295232][ T72] inet6_addr_add+0x30e/0xa40 [ 2801.295232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.295232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.295232][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.295232][ T72] netlink_unicast+0x449/0x710 [ 2801.295232][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.295232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.295232][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.295232][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.295232][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.295232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.295232][ T72] [ 2801.297304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2801.297304][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.297304][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.297304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.297304][ T72] ip6_route_add+0x1c/0x140 [ 2801.297304][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2801.297304][ T72] addrconf_add_dev+0xe2/0x170 [ 2801.297304][ T72] inet6_addr_add+0x12f/0xa40 [ 2801.297304][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.297304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.297304][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.297304][ T72] netlink_unicast+0x449/0x710 [ 2801.297304][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.297304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.297304][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.297304][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.297304][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.297304][ T72] [ 2801.299339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2801.299339][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2801.299339][ T72] ipv6_find_idev+0x102/0x170 [ 2801.299339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.299339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.299339][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.299339][ T72] netlink_unicast+0x449/0x710 [ 2801.299339][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.299339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.299339][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.299339][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.299339][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.299339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.299339][ T72] [ 2801.300949][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2801.300949][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2801.300949][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2801.300949][ T72] ipv6_find_idev+0x102/0x170 [ 2801.300949][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.300949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.300949][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.300949][ T72] netlink_unicast+0x449/0x710 [ 2801.300949][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.300949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.300949][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.300949][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.300949][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.300949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.300949][ T72] [ 2801.302709][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2801.303009][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2801.303009][ T72] dst_init+0x84/0x4a0 [ 2801.303009][ T72] dst_alloc+0x97/0x150 [ 2801.303009][ T72] ip6_dst_alloc+0x23/0x90 [ 2801.303009][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2801.303009][ T72] ip6_pol_route+0x56f/0x840 [ 2801.303009][ T72] fib6_rule_lookup+0x456/0x630 [ 2801.303009][ T72] ip6_route_input+0x59c/0xa50 [ 2801.303009][ T72] ipv6_rcv+0x397/0x810 [ 2801.303009][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2801.303009][ T72] process_backlog+0x101/0x620 [ 2801.303009][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2801.303009][ T72] net_rx_action+0x495/0xbe0 [ 2801.303009][ T72] __do_softirq+0x1b5/0x7f6 [ 2801.303009][ T72] [ 2801.304726][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2801.304726][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.304726][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.304726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.304726][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2801.304726][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2801.304726][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2801.304726][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2801.304726][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2801.304726][ T72] addrconf_dad_begin+0x310/0x670 [ 2801.304726][ T72] addrconf_dad_work+0x10b/0xab0 [ 2801.304726][ T72] process_one_work+0x84d/0x18a0 [ 2801.304726][ T72] worker_thread+0x587/0xd30 [ 2801.304726][ T72] kthread+0x28a/0x350 [ 2801.304726][ T72] ret_from_fork+0x31/0x70 [ 2801.304726][ T72] ret_from_fork_asm+0x1a/0x30 [ 2801.304726][ T72] [ 2801.306704][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2801.306704][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.306704][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.306704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.306704][ T72] ip6_route_add+0x1c/0x140 [ 2801.306704][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2801.306704][ T72] inet6_addr_add+0x4f8/0xa40 [ 2801.306704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.306704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.306704][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.306704][ T72] netlink_unicast+0x449/0x710 [ 2801.306704][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.306704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.306704][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.306704][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.306704][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.306704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.306704][ T72] [ 2801.308772][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2801.308772][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.308772][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.308772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.308772][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2801.308772][ T72] ipv6_add_addr+0x411/0x2000 [ 2801.308772][ T72] inet6_addr_add+0x30e/0xa40 [ 2801.308772][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.308772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.308772][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.308772][ T72] netlink_unicast+0x449/0x710 [ 2801.308772][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.308772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.308772][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.308772][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.308772][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.308772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.308772][ T72] [ 2801.310854][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2801.310854][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.310854][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.310854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.310854][ T72] ip6_route_add+0x1c/0x140 [ 2801.310854][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2801.310854][ T72] addrconf_add_dev+0xe2/0x170 [ 2801.310854][ T72] inet6_addr_add+0x12f/0xa40 [ 2801.310854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.310854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.310854][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.310854][ T72] netlink_unicast+0x449/0x710 [ 2801.310854][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.310854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.310854][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.310854][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.310854][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.310854][ T72] [ 2801.312890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2801.312890][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2801.312890][ T72] ipv6_find_idev+0x102/0x170 [ 2801.312890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.312890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.312890][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.312890][ T72] netlink_unicast+0x449/0x710 [ 2801.312890][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.312890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.312890][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.312890][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.312890][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.312890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.312890][ T72] [ 2801.314484][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2801.314484][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2801.314484][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2801.314484][ T72] ipv6_find_idev+0x102/0x170 [ 2801.314484][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.314484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.314484][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.314484][ T72] netlink_unicast+0x449/0x710 [ 2801.314484][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.314484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.314484][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.314484][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.314484][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.314484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.314484][ T72] [ 2801.316369][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2801.316644][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2801.316644][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2801.316644][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2801.316644][ T72] fib6_nh_init+0xa22/0x1580 [ 2801.316644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.316644][ T72] ip6_route_add+0x1c/0x140 [ 2801.316644][ T72] inet6_rtm_newroute+0x104/0x110 [ 2801.316644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.316644][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.316644][ T72] netlink_unicast+0x449/0x710 [ 2801.316644][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.316644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.316644][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.316644][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.316644][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.316644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.316644][ T72] [ 2801.318837][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2801.318837][ T72] dst_init+0x84/0x4a0 [ 2801.318837][ T72] dst_alloc+0x97/0x150 [ 2801.318837][ T72] ip6_dst_alloc+0x23/0x90 [ 2801.318837][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2801.318837][ T72] ip6_pol_route+0x56f/0x840 [ 2801.318837][ T72] fib6_rule_lookup+0x456/0x630 [ 2801.318837][ T72] ip6_route_input+0x59c/0xa50 [ 2801.318837][ T72] ipv6_rcv+0x397/0x810 [ 2801.318837][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2801.318837][ T72] process_backlog+0x101/0x620 [ 2801.318837][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2801.318837][ T72] net_rx_action+0x495/0xbe0 [ 2801.318837][ T72] __do_softirq+0x1b5/0x7f6 [ 2801.318837][ T72] [ 2801.320771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2801.320771][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.320771][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.320771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.320771][ T72] ip6_route_add+0x1c/0x140 [ 2801.320771][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2801.320771][ T72] inet6_addr_add+0x4f8/0xa40 [ 2801.320771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.320771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.320771][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.320771][ T72] netlink_unicast+0x449/0x710 [ 2801.320771][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.320771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.320771][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.320771][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.320771][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.320771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.320771][ T72] [ 2801.323025][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2801.323025][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.323025][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.323025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.323025][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2801.323025][ T72] ipv6_add_addr+0x411/0x2000 [ 2801.323025][ T72] inet6_addr_add+0x30e/0xa40 [ 2801.323025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.323025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.323025][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.323025][ T72] netlink_unicast+0x449/0x710 [ 2801.323025][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.323025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.323025][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.323025][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.323025][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.323025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.323025][ T72] [ 2801.325406][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2801.325406][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.325406][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.325406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.325406][ T72] ip6_route_add+0x1c/0x140 [ 2801.325406][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2801.325406][ T72] addrconf_add_dev+0xe2/0x170 [ 2801.325406][ T72] inet6_addr_add+0x12f/0xa40 [ 2801.325406][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.325406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.325406][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.325406][ T72] netlink_unicast+0x449/0x710 [ 2801.325406][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.325406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.325406][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.325406][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.325406][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.325406][ T72] [ 2801.327755][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2801.327755][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2801.327755][ T72] ipv6_find_idev+0x102/0x170 [ 2801.327755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.327755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.327755][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.327755][ T72] netlink_unicast+0x449/0x710 [ 2801.327755][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.327755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.327755][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.327755][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.327755][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.327755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.327755][ T72] [ 2801.330085][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2801.330085][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2801.330085][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2801.330085][ T72] ipv6_find_idev+0x102/0x170 [ 2801.330085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.330085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.330085][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.330085][ T72] netlink_unicast+0x449/0x710 [ 2801.330085][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.330085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.330085][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.330085][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.330085][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.330085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.330085][ T72] [ 2801.332015][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2801.332360][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2801.332360][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.332360][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.332360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.332360][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2801.332360][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2801.332360][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2801.332360][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2801.332360][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2801.332360][ T72] addrconf_dad_begin+0x310/0x670 [ 2801.332360][ T72] addrconf_dad_work+0x10b/0xab0 [ 2801.332360][ T72] process_one_work+0x84d/0x18a0 [ 2801.332360][ T72] worker_thread+0x587/0xd30 [ 2801.332360][ T72] kthread+0x28a/0x350 [ 2801.332360][ T72] ret_from_fork+0x31/0x70 [ 2801.332360][ T72] ret_from_fork_asm+0x1a/0x30 [ 2801.332360][ T72] [ 2801.334525][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2801.334525][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.334525][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.334525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.334525][ T72] ip6_route_add+0x1c/0x140 [ 2801.334525][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2801.334525][ T72] inet6_addr_add+0x4f8/0xa40 [ 2801.334525][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.334525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.334525][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.334525][ T72] netlink_unicast+0x449/0x710 [ 2801.334525][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.334525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.334525][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.334525][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.334525][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.334525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.334525][ T72] [ 2801.336842][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2801.336842][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.336842][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.336842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.336842][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2801.336842][ T72] ipv6_add_addr+0x411/0x2000 [ 2801.336842][ T72] inet6_addr_add+0x30e/0xa40 [ 2801.336842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.336842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.336842][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.336842][ T72] netlink_unicast+0x449/0x710 [ 2801.336842][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.336842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.336842][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.336842][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.336842][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.336842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.336842][ T72] [ 2801.339584][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2801.339584][ T72] netdev_get_by_index+0x5e/0x80 [ 2801.339584][ T72] fib6_nh_init+0x3d8/0x1580 [ 2801.339584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2801.339584][ T72] ip6_route_add+0x1c/0x140 [ 2801.339584][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2801.339584][ T72] addrconf_add_dev+0xe2/0x170 [ 2801.339584][ T72] inet6_addr_add+0x12f/0xa40 [ 2801.339584][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.339584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.339584][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.339584][ T72] netlink_unicast+0x449/0x710 [ 2801.339584][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.339584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.339584][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.339584][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.339584][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.339584][ T72] [ 2801.341860][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2801.341860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2801.341860][ T72] ipv6_find_idev+0x102/0x170 [ 2801.341860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.341860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.341860][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.341860][ T72] netlink_unicast+0x449/0x710 [ 2801.341860][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.341860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.341860][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.341860][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.341860][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.341860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.341860][ T72] [ 2801.343641][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2801.343641][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2801.343641][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2801.343641][ T72] ipv6_find_idev+0x102/0x170 [ 2801.343641][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.343641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.343641][ T72] netlink_rcv_skb+0x130/0x360 [ 2801.343641][ T72] netlink_unicast+0x449/0x710 [ 2801.343641][ T72] netlink_sendmsg+0x723/0xbe0 [ 2801.343641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2801.343641][ T72] ___sys_sendmsg+0xee/0x170 [ 2801.343641][ T72] __sys_sendmsg+0xcd/0x170 [ 2801.343641][ T72] do_syscall_64+0xc6/0x1e0 [ 2801.343641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.343641][ T72] [ 2811.600935][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2811.601442][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2811.601442][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2811.601442][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2811.601442][ T72] fib6_nh_init+0xa22/0x1580 [ 2811.601442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.601442][ T72] ip6_route_add+0x1c/0x140 [ 2811.601442][ T72] inet6_rtm_newroute+0x104/0x110 [ 2811.601442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.601442][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.601442][ T72] netlink_unicast+0x449/0x710 [ 2811.601442][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.601442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.601442][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.601442][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.601442][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.601442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.601442][ T72] [ 2811.603418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2811.603418][ T72] dst_init+0x84/0x4a0 [ 2811.603418][ T72] dst_alloc+0x97/0x150 [ 2811.603418][ T72] ip6_dst_alloc+0x23/0x90 [ 2811.603418][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2811.603418][ T72] ip6_pol_route+0x56f/0x840 [ 2811.603418][ T72] fib6_rule_lookup+0x456/0x630 [ 2811.603418][ T72] ip6_route_input+0x59c/0xa50 [ 2811.603418][ T72] ipv6_rcv+0x397/0x810 [ 2811.603418][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2811.603418][ T72] process_backlog+0x101/0x620 [ 2811.603418][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2811.603418][ T72] net_rx_action+0x495/0xbe0 [ 2811.603418][ T72] __do_softirq+0x1b5/0x7f6 [ 2811.603418][ T72] [ 2811.605134][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2811.605134][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.605134][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.605134][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.605134][ T72] ip6_route_add+0x1c/0x140 [ 2811.605134][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2811.605134][ T72] inet6_addr_add+0x4f8/0xa40 [ 2811.605134][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.605134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.605134][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.605134][ T72] netlink_unicast+0x449/0x710 [ 2811.605134][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.605134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.605134][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.605134][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.605134][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.605134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.605134][ T72] [ 2811.607178][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2811.607178][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.607178][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.607178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.607178][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2811.607178][ T72] ipv6_add_addr+0x411/0x2000 [ 2811.607178][ T72] inet6_addr_add+0x30e/0xa40 [ 2811.607178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.607178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.607178][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.607178][ T72] netlink_unicast+0x449/0x710 [ 2811.607178][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.607178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.607178][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.607178][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.607178][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.607178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.607178][ T72] [ 2811.609196][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2811.609196][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.609196][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.609196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.609196][ T72] ip6_route_add+0x1c/0x140 [ 2811.609196][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2811.609196][ T72] addrconf_add_dev+0xe2/0x170 [ 2811.609196][ T72] inet6_addr_add+0x12f/0xa40 [ 2811.609196][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.609196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.609196][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.609196][ T72] netlink_unicast+0x449/0x710 [ 2811.609196][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.609196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.609196][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.609196][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.609196][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.609196][ T72] [ 2811.611238][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2811.611238][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2811.611238][ T72] ipv6_find_idev+0x102/0x170 [ 2811.611238][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.611238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.611238][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.611238][ T72] netlink_unicast+0x449/0x710 [ 2811.611238][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.611238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.611238][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.611238][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.611238][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.611238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.611238][ T72] [ 2811.612803][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2811.612803][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2811.612803][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2811.612803][ T72] ipv6_find_idev+0x102/0x170 [ 2811.612803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.612803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.612803][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.612803][ T72] netlink_unicast+0x449/0x710 [ 2811.612803][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.612803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.612803][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.612803][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.612803][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.612803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.612803][ T72] [ 2811.614511][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2811.614824][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2811.614824][ T72] dst_init+0x84/0x4a0 [ 2811.614824][ T72] dst_alloc+0x97/0x150 [ 2811.614824][ T72] ip6_dst_alloc+0x23/0x90 [ 2811.614824][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2811.614824][ T72] ip6_pol_route+0x56f/0x840 [ 2811.614824][ T72] fib6_rule_lookup+0x456/0x630 [ 2811.614824][ T72] ip6_route_input+0x59c/0xa50 [ 2811.614824][ T72] ipv6_rcv+0x397/0x810 [ 2811.614824][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2811.614824][ T72] process_backlog+0x101/0x620 [ 2811.614824][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2811.614824][ T72] net_rx_action+0x495/0xbe0 [ 2811.614824][ T72] __do_softirq+0x1b5/0x7f6 [ 2811.614824][ T72] [ 2811.616525][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2811.616525][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.616525][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.616525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.616525][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2811.616525][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2811.616525][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2811.616525][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2811.616525][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2811.616525][ T72] addrconf_dad_begin+0x310/0x670 [ 2811.616525][ T72] addrconf_dad_work+0x10b/0xab0 [ 2811.616525][ T72] process_one_work+0x84d/0x18a0 [ 2811.616525][ T72] worker_thread+0x587/0xd30 [ 2811.616525][ T72] kthread+0x28a/0x350 [ 2811.616525][ T72] ret_from_fork+0x31/0x70 [ 2811.616525][ T72] ret_from_fork_asm+0x1a/0x30 [ 2811.616525][ T72] [ 2811.618522][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2811.618522][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.618522][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.618522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.618522][ T72] ip6_route_add+0x1c/0x140 [ 2811.618522][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2811.618522][ T72] inet6_addr_add+0x4f8/0xa40 [ 2811.618522][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.618522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.618522][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.618522][ T72] netlink_unicast+0x449/0x710 [ 2811.618522][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.618522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.618522][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.618522][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.618522][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.618522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.618522][ T72] [ 2811.620557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2811.620557][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.620557][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.620557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.620557][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2811.620557][ T72] ipv6_add_addr+0x411/0x2000 [ 2811.620557][ T72] inet6_addr_add+0x30e/0xa40 [ 2811.620557][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.620557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.620557][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.620557][ T72] netlink_unicast+0x449/0x710 [ 2811.620557][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.620557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.620557][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.620557][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.620557][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.620557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.620557][ T72] [ 2811.622574][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2811.622574][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.622574][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.622574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.622574][ T72] ip6_route_add+0x1c/0x140 [ 2811.622574][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2811.622574][ T72] addrconf_add_dev+0xe2/0x170 [ 2811.622574][ T72] inet6_addr_add+0x12f/0xa40 [ 2811.622574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.622574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.622574][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.622574][ T72] netlink_unicast+0x449/0x710 [ 2811.622574][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.622574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.622574][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.622574][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.622574][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.622574][ T72] [ 2811.624601][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2811.624601][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2811.624601][ T72] ipv6_find_idev+0x102/0x170 [ 2811.624601][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.624601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.624601][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.624601][ T72] netlink_unicast+0x449/0x710 [ 2811.624601][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.624601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.624601][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.624601][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.624601][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.624601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.624601][ T72] [ 2811.626206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2811.626206][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2811.626206][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2811.626206][ T72] ipv6_find_idev+0x102/0x170 [ 2811.626206][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.626206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.626206][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.626206][ T72] netlink_unicast+0x449/0x710 [ 2811.626206][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.626206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.626206][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.626206][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.626206][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.626206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.626206][ T72] [ 2811.628084][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2811.628361][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2811.628361][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2811.628361][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2811.628361][ T72] fib6_nh_init+0xa22/0x1580 [ 2811.628361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.628361][ T72] ip6_route_add+0x1c/0x140 [ 2811.628361][ T72] inet6_rtm_newroute+0x104/0x110 [ 2811.628361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.628361][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.628361][ T72] netlink_unicast+0x449/0x710 [ 2811.628361][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.628361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.628361][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.628361][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.628361][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.628361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.628361][ T72] [ 2811.630551][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2811.630551][ T72] dst_init+0x84/0x4a0 [ 2811.630551][ T72] dst_alloc+0x97/0x150 [ 2811.630551][ T72] ip6_dst_alloc+0x23/0x90 [ 2811.630551][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2811.630551][ T72] ip6_pol_route+0x56f/0x840 [ 2811.630551][ T72] fib6_rule_lookup+0x456/0x630 [ 2811.630551][ T72] ip6_route_input+0x59c/0xa50 [ 2811.630551][ T72] ipv6_rcv+0x397/0x810 [ 2811.630551][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2811.630551][ T72] process_backlog+0x101/0x620 [ 2811.630551][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2811.630551][ T72] net_rx_action+0x495/0xbe0 [ 2811.630551][ T72] __do_softirq+0x1b5/0x7f6 [ 2811.630551][ T72] [ 2811.632483][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2811.632483][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.632483][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.632483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.632483][ T72] ip6_route_add+0x1c/0x140 [ 2811.632483][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2811.632483][ T72] inet6_addr_add+0x4f8/0xa40 [ 2811.632483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.632483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.632483][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.632483][ T72] netlink_unicast+0x449/0x710 [ 2811.632483][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.632483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.632483][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.632483][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.632483][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.632483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.632483][ T72] [ 2811.634747][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2811.634747][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.634747][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.634747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.634747][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2811.634747][ T72] ipv6_add_addr+0x411/0x2000 [ 2811.634747][ T72] inet6_addr_add+0x30e/0xa40 [ 2811.634747][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.634747][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.634747][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.634747][ T72] netlink_unicast+0x449/0x710 [ 2811.634747][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.634747][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.634747][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.634747][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.634747][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.634747][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.634747][ T72] [ 2811.637065][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2811.637065][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.637065][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.637065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.637065][ T72] ip6_route_add+0x1c/0x140 [ 2811.637065][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2811.637065][ T72] addrconf_add_dev+0xe2/0x170 [ 2811.637065][ T72] inet6_addr_add+0x12f/0xa40 [ 2811.637065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.637065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.637065][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.637065][ T72] netlink_unicast+0x449/0x710 [ 2811.637065][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.637065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.637065][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.637065][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.637065][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.637065][ T72] [ 2811.639422][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2811.639422][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2811.639422][ T72] ipv6_find_idev+0x102/0x170 [ 2811.639422][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.639422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.639422][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.639422][ T72] netlink_unicast+0x449/0x710 [ 2811.639422][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.639422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.639422][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.639422][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.639422][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.639422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.639422][ T72] [ 2811.641199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2811.641199][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2811.641199][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2811.641199][ T72] ipv6_find_idev+0x102/0x170 [ 2811.641199][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.641199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.641199][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.641199][ T72] netlink_unicast+0x449/0x710 [ 2811.641199][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.641199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.641199][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.641199][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.641199][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.641199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.641199][ T72] [ 2811.643157][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2811.643504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2811.643504][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.643504][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.643504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.643504][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2811.643504][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2811.643504][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2811.643504][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2811.643504][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2811.643504][ T72] addrconf_dad_begin+0x310/0x670 [ 2811.643504][ T72] addrconf_dad_work+0x10b/0xab0 [ 2811.643504][ T72] process_one_work+0x84d/0x18a0 [ 2811.643504][ T72] worker_thread+0x587/0xd30 [ 2811.643504][ T72] kthread+0x28a/0x350 [ 2811.643504][ T72] ret_from_fork+0x31/0x70 [ 2811.643504][ T72] ret_from_fork_asm+0x1a/0x30 [ 2811.643504][ T72] [ 2811.645697][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2811.645697][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.645697][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.645697][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.645697][ T72] ip6_route_add+0x1c/0x140 [ 2811.645697][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2811.645697][ T72] inet6_addr_add+0x4f8/0xa40 [ 2811.645697][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.645697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.645697][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.645697][ T72] netlink_unicast+0x449/0x710 [ 2811.645697][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.645697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.645697][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.645697][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.645697][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.645697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.645697][ T72] [ 2811.648024][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2811.648024][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.648024][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.648024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.648024][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2811.648024][ T72] ipv6_add_addr+0x411/0x2000 [ 2811.648024][ T72] inet6_addr_add+0x30e/0xa40 [ 2811.648024][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.648024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.648024][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.648024][ T72] netlink_unicast+0x449/0x710 [ 2811.648024][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.648024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.648024][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.648024][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.648024][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.648024][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.648024][ T72] [ 2811.650411][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2811.650411][ T72] netdev_get_by_index+0x5e/0x80 [ 2811.650411][ T72] fib6_nh_init+0x3d8/0x1580 [ 2811.650411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2811.650411][ T72] ip6_route_add+0x1c/0x140 [ 2811.650411][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2811.650411][ T72] addrconf_add_dev+0xe2/0x170 [ 2811.650411][ T72] inet6_addr_add+0x12f/0xa40 [ 2811.650411][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.650411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.650411][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.650411][ T72] netlink_unicast+0x449/0x710 [ 2811.650411][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.650411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.650411][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.650411][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.650411][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.650411][ T72] [ 2811.652712][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2811.652712][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2811.652712][ T72] ipv6_find_idev+0x102/0x170 [ 2811.652712][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.652712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.652712][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.652712][ T72] netlink_unicast+0x449/0x710 [ 2811.652712][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.652712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.652712][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.652712][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.652712][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.652712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.652712][ T72] [ 2811.654462][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2811.654462][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2811.654462][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2811.654462][ T72] ipv6_find_idev+0x102/0x170 [ 2811.654462][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.654462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.654462][ T72] netlink_rcv_skb+0x130/0x360 [ 2811.654462][ T72] netlink_unicast+0x449/0x710 [ 2811.654462][ T72] netlink_sendmsg+0x723/0xbe0 [ 2811.654462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2811.654462][ T72] ___sys_sendmsg+0xee/0x170 [ 2811.654462][ T72] __sys_sendmsg+0xcd/0x170 [ 2811.654462][ T72] do_syscall_64+0xc6/0x1e0 [ 2811.654462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.654462][ T72] [ 2821.888924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2821.889416][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2821.889416][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2821.889416][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2821.889416][ T72] fib6_nh_init+0xa22/0x1580 [ 2821.889416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.889416][ T72] ip6_route_add+0x1c/0x140 [ 2821.889416][ T72] inet6_rtm_newroute+0x104/0x110 [ 2821.889416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.889416][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.889416][ T72] netlink_unicast+0x449/0x710 [ 2821.889416][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.889416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.889416][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.889416][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.889416][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.889416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.889416][ T72] [ 2821.891358][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2821.891358][ T72] dst_init+0x84/0x4a0 [ 2821.891358][ T72] dst_alloc+0x97/0x150 [ 2821.891358][ T72] ip6_dst_alloc+0x23/0x90 [ 2821.891358][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2821.891358][ T72] ip6_pol_route+0x56f/0x840 [ 2821.891358][ T72] fib6_rule_lookup+0x456/0x630 [ 2821.891358][ T72] ip6_route_input+0x59c/0xa50 [ 2821.891358][ T72] ipv6_rcv+0x397/0x810 [ 2821.891358][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2821.891358][ T72] process_backlog+0x101/0x620 [ 2821.891358][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2821.891358][ T72] net_rx_action+0x495/0xbe0 [ 2821.891358][ T72] __do_softirq+0x1b5/0x7f6 [ 2821.891358][ T72] [ 2821.893081][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2821.893081][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.893081][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.893081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.893081][ T72] ip6_route_add+0x1c/0x140 [ 2821.893081][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2821.893081][ T72] inet6_addr_add+0x4f8/0xa40 [ 2821.893081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.893081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.893081][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.893081][ T72] netlink_unicast+0x449/0x710 [ 2821.893081][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.893081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.893081][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.893081][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.893081][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.893081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.893081][ T72] [ 2821.895209][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2821.895209][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.895209][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.895209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.895209][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2821.895209][ T72] ipv6_add_addr+0x411/0x2000 [ 2821.895209][ T72] inet6_addr_add+0x30e/0xa40 [ 2821.895209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.895209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.895209][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.895209][ T72] netlink_unicast+0x449/0x710 [ 2821.895209][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.895209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.895209][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.895209][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.895209][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.895209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.895209][ T72] [ 2821.897255][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2821.897255][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.897255][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.897255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.897255][ T72] ip6_route_add+0x1c/0x140 [ 2821.897255][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2821.897255][ T72] addrconf_add_dev+0xe2/0x170 [ 2821.897255][ T72] inet6_addr_add+0x12f/0xa40 [ 2821.897255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.897255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.897255][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.897255][ T72] netlink_unicast+0x449/0x710 [ 2821.897255][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.897255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.897255][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.897255][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.897255][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.897255][ T72] [ 2821.899239][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2821.899239][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2821.899239][ T72] ipv6_find_idev+0x102/0x170 [ 2821.899239][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.899239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.899239][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.899239][ T72] netlink_unicast+0x449/0x710 [ 2821.899239][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.899239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.899239][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.899239][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.899239][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.899239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.899239][ T72] [ 2821.900851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2821.900851][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2821.900851][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2821.900851][ T72] ipv6_find_idev+0x102/0x170 [ 2821.900851][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.900851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.900851][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.900851][ T72] netlink_unicast+0x449/0x710 [ 2821.900851][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.900851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.900851][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.900851][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.900851][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.900851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.900851][ T72] [ 2821.902548][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2821.902841][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2821.902841][ T72] dst_init+0x84/0x4a0 [ 2821.902841][ T72] dst_alloc+0x97/0x150 [ 2821.902841][ T72] ip6_dst_alloc+0x23/0x90 [ 2821.902841][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2821.902841][ T72] ip6_pol_route+0x56f/0x840 [ 2821.902841][ T72] fib6_rule_lookup+0x456/0x630 [ 2821.902841][ T72] ip6_route_input+0x59c/0xa50 [ 2821.902841][ T72] ipv6_rcv+0x397/0x810 [ 2821.902841][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2821.902841][ T72] process_backlog+0x101/0x620 [ 2821.902841][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2821.902841][ T72] net_rx_action+0x495/0xbe0 [ 2821.902841][ T72] __do_softirq+0x1b5/0x7f6 [ 2821.902841][ T72] [ 2821.904576][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2821.904576][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.904576][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.904576][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.904576][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2821.904576][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2821.904576][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2821.904576][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2821.904576][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2821.904576][ T72] addrconf_dad_begin+0x310/0x670 [ 2821.904576][ T72] addrconf_dad_work+0x10b/0xab0 [ 2821.904576][ T72] process_one_work+0x84d/0x18a0 [ 2821.904576][ T72] worker_thread+0x587/0xd30 [ 2821.904576][ T72] kthread+0x28a/0x350 [ 2821.904576][ T72] ret_from_fork+0x31/0x70 [ 2821.904576][ T72] ret_from_fork_asm+0x1a/0x30 [ 2821.904576][ T72] [ 2821.906566][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2821.906566][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.906566][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.906566][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.906566][ T72] ip6_route_add+0x1c/0x140 [ 2821.906566][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2821.906566][ T72] inet6_addr_add+0x4f8/0xa40 [ 2821.906566][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.906566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.906566][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.906566][ T72] netlink_unicast+0x449/0x710 [ 2821.906566][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.906566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.906566][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.906566][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.906566][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.906566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.906566][ T72] [ 2821.908626][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2821.908626][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.908626][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.908626][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.908626][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2821.908626][ T72] ipv6_add_addr+0x411/0x2000 [ 2821.908626][ T72] inet6_addr_add+0x30e/0xa40 [ 2821.908626][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.908626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.908626][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.908626][ T72] netlink_unicast+0x449/0x710 [ 2821.908626][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.908626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.908626][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.908626][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.908626][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.908626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.908626][ T72] [ 2821.910702][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2821.910702][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.910702][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.910702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.910702][ T72] ip6_route_add+0x1c/0x140 [ 2821.910702][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2821.910702][ T72] addrconf_add_dev+0xe2/0x170 [ 2821.910702][ T72] inet6_addr_add+0x12f/0xa40 [ 2821.910702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.910702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.910702][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.910702][ T72] netlink_unicast+0x449/0x710 [ 2821.910702][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.910702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.910702][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.910702][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.910702][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.910702][ T72] [ 2821.912762][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2821.912762][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2821.912762][ T72] ipv6_find_idev+0x102/0x170 [ 2821.912762][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.912762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.912762][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.912762][ T72] netlink_unicast+0x449/0x710 [ 2821.912762][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.912762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.912762][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.912762][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.912762][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.912762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.912762][ T72] [ 2821.914355][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2821.914355][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2821.914355][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2821.914355][ T72] ipv6_find_idev+0x102/0x170 [ 2821.914355][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.914355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.914355][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.914355][ T72] netlink_unicast+0x449/0x710 [ 2821.914355][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.914355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.914355][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.914355][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.914355][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.914355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.914355][ T72] [ 2821.916292][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2821.916569][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2821.916569][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2821.916569][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2821.916569][ T72] fib6_nh_init+0xa22/0x1580 [ 2821.916569][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.916569][ T72] ip6_route_add+0x1c/0x140 [ 2821.916569][ T72] inet6_rtm_newroute+0x104/0x110 [ 2821.916569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.916569][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.916569][ T72] netlink_unicast+0x449/0x710 [ 2821.916569][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.916569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.916569][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.916569][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.916569][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.916569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.916569][ T72] [ 2821.918672][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2821.918672][ T72] dst_init+0x84/0x4a0 [ 2821.918672][ T72] dst_alloc+0x97/0x150 [ 2821.918672][ T72] ip6_dst_alloc+0x23/0x90 [ 2821.918672][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2821.918672][ T72] ip6_pol_route+0x56f/0x840 [ 2821.918672][ T72] fib6_rule_lookup+0x456/0x630 [ 2821.918672][ T72] ip6_route_input+0x59c/0xa50 [ 2821.918672][ T72] ipv6_rcv+0x397/0x810 [ 2821.918672][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2821.918672][ T72] process_backlog+0x101/0x620 [ 2821.918672][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2821.918672][ T72] net_rx_action+0x495/0xbe0 [ 2821.918672][ T72] __do_softirq+0x1b5/0x7f6 [ 2821.918672][ T72] [ 2821.920535][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2821.920535][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.920535][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.920535][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.920535][ T72] ip6_route_add+0x1c/0x140 [ 2821.920535][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2821.920535][ T72] inet6_addr_add+0x4f8/0xa40 [ 2821.920535][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.920535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.920535][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.920535][ T72] netlink_unicast+0x449/0x710 [ 2821.920535][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.920535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.920535][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.920535][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.920535][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.920535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.920535][ T72] [ 2821.922694][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2821.922694][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.922694][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.922694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.922694][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2821.922694][ T72] ipv6_add_addr+0x411/0x2000 [ 2821.922694][ T72] inet6_addr_add+0x30e/0xa40 [ 2821.922694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.922694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.922694][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.922694][ T72] netlink_unicast+0x449/0x710 [ 2821.922694][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.922694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.922694][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.922694][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.922694][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.922694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.922694][ T72] [ 2821.924900][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2821.924900][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.924900][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.924900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.924900][ T72] ip6_route_add+0x1c/0x140 [ 2821.924900][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2821.924900][ T72] addrconf_add_dev+0xe2/0x170 [ 2821.924900][ T72] inet6_addr_add+0x12f/0xa40 [ 2821.924900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.924900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.924900][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.924900][ T72] netlink_unicast+0x449/0x710 [ 2821.924900][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.924900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.924900][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.924900][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.924900][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.924900][ T72] [ 2821.927238][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2821.927238][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2821.927238][ T72] ipv6_find_idev+0x102/0x170 [ 2821.927238][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.927238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.927238][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.927238][ T72] netlink_unicast+0x449/0x710 [ 2821.927238][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.927238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.927238][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.927238][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.927238][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.927238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.927238][ T72] [ 2821.929014][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2821.929014][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2821.929014][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2821.929014][ T72] ipv6_find_idev+0x102/0x170 [ 2821.929014][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.929014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.929014][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.929014][ T72] netlink_unicast+0x449/0x710 [ 2821.929014][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.929014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.929014][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.929014][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.929014][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.929014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.929014][ T72] [ 2821.930954][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2821.931297][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2821.931297][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.931297][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.931297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.931297][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2821.931297][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2821.931297][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2821.931297][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2821.931297][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2821.931297][ T72] addrconf_dad_begin+0x310/0x670 [ 2821.931297][ T72] addrconf_dad_work+0x10b/0xab0 [ 2821.931297][ T72] process_one_work+0x84d/0x18a0 [ 2821.931297][ T72] worker_thread+0x587/0xd30 [ 2821.931297][ T72] kthread+0x28a/0x350 [ 2821.931297][ T72] ret_from_fork+0x31/0x70 [ 2821.931297][ T72] ret_from_fork_asm+0x1a/0x30 [ 2821.931297][ T72] [ 2821.933454][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2821.933454][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.933454][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.933454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.933454][ T72] ip6_route_add+0x1c/0x140 [ 2821.933454][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2821.933454][ T72] inet6_addr_add+0x4f8/0xa40 [ 2821.933454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.933454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.933454][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.933454][ T72] netlink_unicast+0x449/0x710 [ 2821.933454][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.933454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.933454][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.933454][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.933454][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.933454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.933454][ T72] [ 2821.935776][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2821.935776][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.935776][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.935776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.935776][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2821.935776][ T72] ipv6_add_addr+0x411/0x2000 [ 2821.935776][ T72] inet6_addr_add+0x30e/0xa40 [ 2821.935776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.935776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.935776][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.935776][ T72] netlink_unicast+0x449/0x710 [ 2821.935776][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.935776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.935776][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.935776][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.935776][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.935776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.935776][ T72] [ 2821.938158][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2821.938158][ T72] netdev_get_by_index+0x5e/0x80 [ 2821.938158][ T72] fib6_nh_init+0x3d8/0x1580 [ 2821.938158][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2821.938158][ T72] ip6_route_add+0x1c/0x140 [ 2821.938158][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2821.938158][ T72] addrconf_add_dev+0xe2/0x170 [ 2821.938158][ T72] inet6_addr_add+0x12f/0xa40 [ 2821.938158][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.938158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.938158][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.938158][ T72] netlink_unicast+0x449/0x710 [ 2821.938158][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.938158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.938158][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.938158][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.938158][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.938158][ T72] [ 2821.940431][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2821.940431][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2821.940431][ T72] ipv6_find_idev+0x102/0x170 [ 2821.940431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.940431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.940431][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.940431][ T72] netlink_unicast+0x449/0x710 [ 2821.940431][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.940431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.940431][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.940431][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.940431][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.940431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.940431][ T72] [ 2821.942744][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2821.942744][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2821.942744][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2821.942744][ T72] ipv6_find_idev+0x102/0x170 [ 2821.942744][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.942744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.942744][ T72] netlink_rcv_skb+0x130/0x360 [ 2821.942744][ T72] netlink_unicast+0x449/0x710 [ 2821.942744][ T72] netlink_sendmsg+0x723/0xbe0 [ 2821.942744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2821.942744][ T72] ___sys_sendmsg+0xee/0x170 [ 2821.942744][ T72] __sys_sendmsg+0xcd/0x170 [ 2821.942744][ T72] do_syscall_64+0xc6/0x1e0 [ 2821.942744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.942744][ T72] [ 2832.184860][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2832.185373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2832.185373][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2832.185373][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2832.185373][ T72] fib6_nh_init+0xa22/0x1580 [ 2832.185373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.185373][ T72] ip6_route_add+0x1c/0x140 [ 2832.185373][ T72] inet6_rtm_newroute+0x104/0x110 [ 2832.185373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.185373][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.185373][ T72] netlink_unicast+0x449/0x710 [ 2832.185373][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.185373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.185373][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.185373][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.185373][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.185373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.185373][ T72] [ 2832.187377][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2832.187377][ T72] dst_init+0x84/0x4a0 [ 2832.187377][ T72] dst_alloc+0x97/0x150 [ 2832.187377][ T72] ip6_dst_alloc+0x23/0x90 [ 2832.187377][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2832.187377][ T72] ip6_pol_route+0x56f/0x840 [ 2832.187377][ T72] fib6_rule_lookup+0x456/0x630 [ 2832.187377][ T72] ip6_route_input+0x59c/0xa50 [ 2832.187377][ T72] ipv6_rcv+0x397/0x810 [ 2832.187377][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2832.187377][ T72] process_backlog+0x101/0x620 [ 2832.187377][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2832.187377][ T72] net_rx_action+0x495/0xbe0 [ 2832.187377][ T72] __do_softirq+0x1b5/0x7f6 [ 2832.187377][ T72] [ 2832.189105][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2832.189105][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.189105][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.189105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.189105][ T72] ip6_route_add+0x1c/0x140 [ 2832.189105][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2832.189105][ T72] inet6_addr_add+0x4f8/0xa40 [ 2832.189105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.189105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.189105][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.189105][ T72] netlink_unicast+0x449/0x710 [ 2832.189105][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.189105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.189105][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.189105][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.189105][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.189105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.189105][ T72] [ 2832.191191][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2832.191191][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.191191][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.191191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.191191][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2832.191191][ T72] ipv6_add_addr+0x411/0x2000 [ 2832.191191][ T72] inet6_addr_add+0x30e/0xa40 [ 2832.191191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.191191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.191191][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.191191][ T72] netlink_unicast+0x449/0x710 [ 2832.191191][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.191191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.191191][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.191191][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.191191][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.191191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.191191][ T72] [ 2832.193264][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2832.193264][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.193264][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.193264][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.193264][ T72] ip6_route_add+0x1c/0x140 [ 2832.193264][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2832.193264][ T72] addrconf_add_dev+0xe2/0x170 [ 2832.193264][ T72] inet6_addr_add+0x12f/0xa40 [ 2832.193264][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.193264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.193264][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.193264][ T72] netlink_unicast+0x449/0x710 [ 2832.193264][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.193264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.193264][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.193264][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.193264][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.193264][ T72] [ 2832.195324][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2832.195324][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2832.195324][ T72] ipv6_find_idev+0x102/0x170 [ 2832.195324][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.195324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.195324][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.195324][ T72] netlink_unicast+0x449/0x710 [ 2832.195324][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.195324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.195324][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.195324][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.195324][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.195324][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.195324][ T72] [ 2832.196927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2832.196927][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2832.196927][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2832.196927][ T72] ipv6_find_idev+0x102/0x170 [ 2832.196927][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.196927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.196927][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.196927][ T72] netlink_unicast+0x449/0x710 [ 2832.196927][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.196927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.196927][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.196927][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.196927][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.196927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.196927][ T72] [ 2832.198701][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2832.199004][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2832.199004][ T72] dst_init+0x84/0x4a0 [ 2832.199004][ T72] dst_alloc+0x97/0x150 [ 2832.199004][ T72] ip6_dst_alloc+0x23/0x90 [ 2832.199004][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2832.199004][ T72] ip6_pol_route+0x56f/0x840 [ 2832.199004][ T72] fib6_rule_lookup+0x456/0x630 [ 2832.199004][ T72] ip6_route_input+0x59c/0xa50 [ 2832.199004][ T72] ipv6_rcv+0x397/0x810 [ 2832.199004][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2832.199004][ T72] process_backlog+0x101/0x620 [ 2832.199004][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2832.199004][ T72] net_rx_action+0x495/0xbe0 [ 2832.199004][ T72] __do_softirq+0x1b5/0x7f6 [ 2832.199004][ T72] [ 2832.200713][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2832.200713][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.200713][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.200713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.200713][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2832.200713][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2832.200713][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2832.200713][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2832.200713][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2832.200713][ T72] addrconf_dad_begin+0x310/0x670 [ 2832.200713][ T72] addrconf_dad_work+0x10b/0xab0 [ 2832.200713][ T72] process_one_work+0x84d/0x18a0 [ 2832.200713][ T72] worker_thread+0x587/0xd30 [ 2832.200713][ T72] kthread+0x28a/0x350 [ 2832.200713][ T72] ret_from_fork+0x31/0x70 [ 2832.200713][ T72] ret_from_fork_asm+0x1a/0x30 [ 2832.200713][ T72] [ 2832.202705][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2832.202705][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.202705][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.202705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.202705][ T72] ip6_route_add+0x1c/0x140 [ 2832.202705][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2832.202705][ T72] inet6_addr_add+0x4f8/0xa40 [ 2832.202705][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.202705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.202705][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.202705][ T72] netlink_unicast+0x449/0x710 [ 2832.202705][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.202705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.202705][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.202705][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.202705][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.202705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.202705][ T72] [ 2832.204788][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2832.204788][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.204788][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.204788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.204788][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2832.204788][ T72] ipv6_add_addr+0x411/0x2000 [ 2832.204788][ T72] inet6_addr_add+0x30e/0xa40 [ 2832.204788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.204788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.204788][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.204788][ T72] netlink_unicast+0x449/0x710 [ 2832.204788][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.204788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.204788][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.204788][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.204788][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.204788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.204788][ T72] [ 2832.206868][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2832.206868][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.206868][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.206868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.206868][ T72] ip6_route_add+0x1c/0x140 [ 2832.206868][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2832.206868][ T72] addrconf_add_dev+0xe2/0x170 [ 2832.206868][ T72] inet6_addr_add+0x12f/0xa40 [ 2832.206868][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.206868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.206868][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.206868][ T72] netlink_unicast+0x449/0x710 [ 2832.206868][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.206868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.206868][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.206868][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.206868][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.206868][ T72] [ 2832.208911][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2832.208911][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2832.208911][ T72] ipv6_find_idev+0x102/0x170 [ 2832.208911][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.208911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.208911][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.208911][ T72] netlink_unicast+0x449/0x710 [ 2832.208911][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.208911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.208911][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.208911][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.208911][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.208911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.208911][ T72] [ 2832.210506][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2832.210506][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2832.210506][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2832.210506][ T72] ipv6_find_idev+0x102/0x170 [ 2832.210506][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.210506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.210506][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.210506][ T72] netlink_unicast+0x449/0x710 [ 2832.210506][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.210506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.210506][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.210506][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.210506][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.210506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.210506][ T72] [ 2832.212380][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2832.212715][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2832.212715][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2832.212715][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2832.212715][ T72] fib6_nh_init+0xa22/0x1580 [ 2832.212715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.212715][ T72] ip6_route_add+0x1c/0x140 [ 2832.212715][ T72] inet6_rtm_newroute+0x104/0x110 [ 2832.212715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.212715][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.212715][ T72] netlink_unicast+0x449/0x710 [ 2832.212715][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.212715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.212715][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.212715][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.212715][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.212715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.212715][ T72] [ 2832.214944][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2832.214944][ T72] dst_init+0x84/0x4a0 [ 2832.214944][ T72] dst_alloc+0x97/0x150 [ 2832.214944][ T72] ip6_dst_alloc+0x23/0x90 [ 2832.214944][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2832.214944][ T72] ip6_pol_route+0x56f/0x840 [ 2832.214944][ T72] fib6_rule_lookup+0x456/0x630 [ 2832.214944][ T72] ip6_route_input+0x59c/0xa50 [ 2832.214944][ T72] ipv6_rcv+0x397/0x810 [ 2832.214944][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2832.214944][ T72] process_backlog+0x101/0x620 [ 2832.214944][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2832.214944][ T72] net_rx_action+0x495/0xbe0 [ 2832.214944][ T72] __do_softirq+0x1b5/0x7f6 [ 2832.214944][ T72] [ 2832.216804][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2832.216804][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.216804][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.216804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.216804][ T72] ip6_route_add+0x1c/0x140 [ 2832.216804][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2832.216804][ T72] inet6_addr_add+0x4f8/0xa40 [ 2832.216804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.216804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.216804][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.216804][ T72] netlink_unicast+0x449/0x710 [ 2832.216804][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.216804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.216804][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.216804][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.216804][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.216804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.216804][ T72] [ 2832.219114][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2832.219114][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.219114][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.219114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.219114][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2832.219114][ T72] ipv6_add_addr+0x411/0x2000 [ 2832.219114][ T72] inet6_addr_add+0x30e/0xa40 [ 2832.219114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.219114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.219114][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.219114][ T72] netlink_unicast+0x449/0x710 [ 2832.219114][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.219114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.219114][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.219114][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.219114][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.219114][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.219114][ T72] [ 2832.221421][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2832.221421][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.221421][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.221421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.221421][ T72] ip6_route_add+0x1c/0x140 [ 2832.221421][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2832.221421][ T72] addrconf_add_dev+0xe2/0x170 [ 2832.221421][ T72] inet6_addr_add+0x12f/0xa40 [ 2832.221421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.221421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.221421][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.221421][ T72] netlink_unicast+0x449/0x710 [ 2832.221421][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.221421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.221421][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.221421][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.221421][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.221421][ T72] [ 2832.223776][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2832.223776][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2832.223776][ T72] ipv6_find_idev+0x102/0x170 [ 2832.223776][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.223776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.223776][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.223776][ T72] netlink_unicast+0x449/0x710 [ 2832.223776][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.223776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.223776][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.223776][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.223776][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.223776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.223776][ T72] [ 2832.225571][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2832.225571][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2832.225571][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2832.225571][ T72] ipv6_find_idev+0x102/0x170 [ 2832.225571][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.225571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.225571][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.225571][ T72] netlink_unicast+0x449/0x710 [ 2832.225571][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.225571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.225571][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.225571][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.225571][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.225571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.225571][ T72] [ 2832.227478][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2832.227772][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2832.227772][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.227772][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.227772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.227772][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2832.227772][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2832.227772][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2832.227772][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2832.227772][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2832.227772][ T72] addrconf_dad_begin+0x310/0x670 [ 2832.227772][ T72] addrconf_dad_work+0x10b/0xab0 [ 2832.227772][ T72] process_one_work+0x84d/0x18a0 [ 2832.227772][ T72] worker_thread+0x587/0xd30 [ 2832.227772][ T72] kthread+0x28a/0x350 [ 2832.227772][ T72] ret_from_fork+0x31/0x70 [ 2832.227772][ T72] ret_from_fork_asm+0x1a/0x30 [ 2832.227772][ T72] [ 2832.230527][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2832.230527][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.230527][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.230527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.230527][ T72] ip6_route_add+0x1c/0x140 [ 2832.230527][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2832.230527][ T72] inet6_addr_add+0x4f8/0xa40 [ 2832.230527][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.230527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.230527][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.230527][ T72] netlink_unicast+0x449/0x710 [ 2832.230527][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.230527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.230527][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.230527][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.230527][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.230527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.230527][ T72] [ 2832.232836][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2832.232836][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.232836][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.232836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.232836][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2832.232836][ T72] ipv6_add_addr+0x411/0x2000 [ 2832.232836][ T72] inet6_addr_add+0x30e/0xa40 [ 2832.232836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.232836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.232836][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.232836][ T72] netlink_unicast+0x449/0x710 [ 2832.232836][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.232836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.232836][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.232836][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.232836][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.232836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.232836][ T72] [ 2832.235223][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2832.235223][ T72] netdev_get_by_index+0x5e/0x80 [ 2832.235223][ T72] fib6_nh_init+0x3d8/0x1580 [ 2832.235223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2832.235223][ T72] ip6_route_add+0x1c/0x140 [ 2832.235223][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2832.235223][ T72] addrconf_add_dev+0xe2/0x170 [ 2832.235223][ T72] inet6_addr_add+0x12f/0xa40 [ 2832.235223][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.235223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.235223][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.235223][ T72] netlink_unicast+0x449/0x710 [ 2832.235223][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.235223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.235223][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.235223][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.235223][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.235223][ T72] [ 2832.237426][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2832.237426][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2832.237426][ T72] ipv6_find_idev+0x102/0x170 [ 2832.237426][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.237426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.237426][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.237426][ T72] netlink_unicast+0x449/0x710 [ 2832.237426][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.237426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.237426][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.237426][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.237426][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.237426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.237426][ T72] [ 2832.239214][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2832.239214][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2832.239214][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2832.239214][ T72] ipv6_find_idev+0x102/0x170 [ 2832.239214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.239214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.239214][ T72] netlink_rcv_skb+0x130/0x360 [ 2832.239214][ T72] netlink_unicast+0x449/0x710 [ 2832.239214][ T72] netlink_sendmsg+0x723/0xbe0 [ 2832.239214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2832.239214][ T72] ___sys_sendmsg+0xee/0x170 [ 2832.239214][ T72] __sys_sendmsg+0xcd/0x170 [ 2832.239214][ T72] do_syscall_64+0xc6/0x1e0 [ 2832.239214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.239214][ T72] [ 2842.392977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2842.393596][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2842.393596][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2842.393596][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2842.393596][ T72] fib6_nh_init+0xa22/0x1580 [ 2842.393596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.393596][ T72] ip6_route_add+0x1c/0x140 [ 2842.393596][ T72] inet6_rtm_newroute+0x104/0x110 [ 2842.393596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.393596][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.393596][ T72] netlink_unicast+0x449/0x710 [ 2842.393596][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.393596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.393596][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.393596][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.393596][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.393596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.393596][ T72] [ 2842.395645][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2842.395645][ T72] dst_init+0x84/0x4a0 [ 2842.395645][ T72] dst_alloc+0x97/0x150 [ 2842.395645][ T72] ip6_dst_alloc+0x23/0x90 [ 2842.395645][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2842.395645][ T72] ip6_pol_route+0x56f/0x840 [ 2842.395645][ T72] fib6_rule_lookup+0x456/0x630 [ 2842.395645][ T72] ip6_route_input+0x59c/0xa50 [ 2842.395645][ T72] ipv6_rcv+0x397/0x810 [ 2842.395645][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2842.395645][ T72] process_backlog+0x101/0x620 [ 2842.395645][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2842.395645][ T72] net_rx_action+0x495/0xbe0 [ 2842.395645][ T72] __do_softirq+0x1b5/0x7f6 [ 2842.395645][ T72] [ 2842.397386][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2842.397386][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.397386][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.397386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.397386][ T72] ip6_route_add+0x1c/0x140 [ 2842.397386][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2842.397386][ T72] inet6_addr_add+0x4f8/0xa40 [ 2842.397386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.397386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.397386][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.397386][ T72] netlink_unicast+0x449/0x710 [ 2842.397386][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.397386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.397386][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.397386][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.397386][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.397386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.397386][ T72] [ 2842.399474][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2842.399474][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.399474][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.399474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.399474][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2842.399474][ T72] ipv6_add_addr+0x411/0x2000 [ 2842.399474][ T72] inet6_addr_add+0x30e/0xa40 [ 2842.399474][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.399474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.399474][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.399474][ T72] netlink_unicast+0x449/0x710 [ 2842.399474][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.399474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.399474][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.399474][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.399474][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.399474][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.399474][ T72] [ 2842.401581][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2842.401581][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.401581][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.401581][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.401581][ T72] ip6_route_add+0x1c/0x140 [ 2842.401581][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2842.401581][ T72] addrconf_add_dev+0xe2/0x170 [ 2842.401581][ T72] inet6_addr_add+0x12f/0xa40 [ 2842.401581][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.401581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.401581][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.401581][ T72] netlink_unicast+0x449/0x710 [ 2842.401581][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.401581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.401581][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.401581][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.401581][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.401581][ T72] [ 2842.403641][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2842.403641][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2842.403641][ T72] ipv6_find_idev+0x102/0x170 [ 2842.403641][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2842.403641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.403641][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.403641][ T72] netlink_unicast+0x449/0x710 [ 2842.403641][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.403641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.403641][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.403641][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.403641][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.403641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.403641][ T72] [ 2842.405249][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2842.405249][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2842.405249][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2842.405249][ T72] ipv6_find_idev+0x102/0x170 [ 2842.405249][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2842.405249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.405249][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.405249][ T72] netlink_unicast+0x449/0x710 [ 2842.405249][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.405249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.405249][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.405249][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.405249][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.405249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.405249][ T72] [ 2842.407025][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2842.407344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2842.407344][ T72] dst_init+0x84/0x4a0 [ 2842.407344][ T72] dst_alloc+0x97/0x150 [ 2842.407344][ T72] ip6_dst_alloc+0x23/0x90 [ 2842.407344][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2842.407344][ T72] ip6_pol_route+0x56f/0x840 [ 2842.407344][ T72] fib6_rule_lookup+0x456/0x630 [ 2842.407344][ T72] ip6_route_input+0x59c/0xa50 [ 2842.407344][ T72] ipv6_rcv+0x397/0x810 [ 2842.407344][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2842.407344][ T72] process_backlog+0x101/0x620 [ 2842.407344][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2842.407344][ T72] net_rx_action+0x495/0xbe0 [ 2842.407344][ T72] __do_softirq+0x1b5/0x7f6 [ 2842.407344][ T72] [ 2842.409065][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2842.409065][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.409065][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.409065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.409065][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2842.409065][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2842.409065][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2842.409065][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2842.409065][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2842.409065][ T72] addrconf_dad_begin+0x310/0x670 [ 2842.409065][ T72] addrconf_dad_work+0x10b/0xab0 [ 2842.409065][ T72] process_one_work+0x84d/0x18a0 [ 2842.409065][ T72] worker_thread+0x587/0xd30 [ 2842.409065][ T72] kthread+0x28a/0x350 [ 2842.409065][ T72] ret_from_fork+0x31/0x70 [ 2842.409065][ T72] ret_from_fork_asm+0x1a/0x30 [ 2842.409065][ T72] [ 2842.411082][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2842.411082][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.411082][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.411082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.411082][ T72] ip6_route_add+0x1c/0x140 [ 2842.411082][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2842.411082][ T72] inet6_addr_add+0x4f8/0xa40 [ 2842.411082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.411082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.411082][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.411082][ T72] netlink_unicast+0x449/0x710 [ 2842.411082][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.411082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.411082][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.411082][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.411082][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.411082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.411082][ T72] [ 2842.413106][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2842.413106][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.413106][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.413106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.413106][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2842.413106][ T72] ipv6_add_addr+0x411/0x2000 [ 2842.413106][ T72] inet6_addr_add+0x30e/0xa40 [ 2842.413106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.413106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.413106][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.413106][ T72] netlink_unicast+0x449/0x710 [ 2842.413106][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.413106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.413106][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.413106][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.413106][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.413106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.413106][ T72] [ 2842.415167][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2842.415167][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.415167][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.415167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.415167][ T72] ip6_route_add+0x1c/0x140 [ 2842.415167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2842.415167][ T72] addrconf_add_dev+0xe2/0x170 [ 2842.415167][ T72] inet6_addr_add+0x12f/0xa40 [ 2842.415167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.415167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.415167][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.415167][ T72] netlink_unicast+0x449/0x710 [ 2842.415167][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.415167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.415167][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.415167][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.415167][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.415167][ T72] [ 2842.417201][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2842.417201][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2842.417201][ T72] ipv6_find_idev+0x102/0x170 [ 2842.417201][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2842.417201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.417201][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.417201][ T72] netlink_unicast+0x449/0x710 [ 2842.417201][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.417201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.417201][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.417201][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.417201][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.417201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.417201][ T72] [ 2842.418776][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2842.418776][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2842.418776][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2842.418776][ T72] ipv6_find_idev+0x102/0x170 [ 2842.418776][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2842.418776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.418776][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.418776][ T72] netlink_unicast+0x449/0x710 [ 2842.418776][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.418776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.418776][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.418776][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.418776][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.418776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.418776][ T72] [ 2842.420611][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2842.420982][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2842.420982][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2842.420982][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2842.420982][ T72] fib6_nh_init+0xa22/0x1580 [ 2842.420982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.420982][ T72] ip6_route_add+0x1c/0x140 [ 2842.420982][ T72] inet6_rtm_newroute+0x104/0x110 [ 2842.420982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.420982][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.420982][ T72] netlink_unicast+0x449/0x710 [ 2842.420982][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.420982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.420982][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.420982][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.420982][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.420982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.420982][ T72] [ 2842.423175][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2842.423175][ T72] dst_init+0x84/0x4a0 [ 2842.423175][ T72] dst_alloc+0x97/0x150 [ 2842.423175][ T72] ip6_dst_alloc+0x23/0x90 [ 2842.423175][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2842.423175][ T72] ip6_pol_route+0x56f/0x840 [ 2842.423175][ T72] fib6_rule_lookup+0x456/0x630 [ 2842.423175][ T72] ip6_route_input+0x59c/0xa50 [ 2842.423175][ T72] ipv6_rcv+0x397/0x810 [ 2842.423175][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2842.423175][ T72] process_backlog+0x101/0x620 [ 2842.423175][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2842.423175][ T72] net_rx_action+0x495/0xbe0 [ 2842.423175][ T72] __do_softirq+0x1b5/0x7f6 [ 2842.423175][ T72] [ 2842.425059][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2842.425059][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.425059][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.425059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.425059][ T72] ip6_route_add+0x1c/0x140 [ 2842.425059][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2842.425059][ T72] inet6_addr_add+0x4f8/0xa40 [ 2842.425059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.425059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.425059][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.425059][ T72] netlink_unicast+0x449/0x710 [ 2842.425059][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.425059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.425059][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.425059][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.425059][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.425059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.425059][ T72] [ 2842.427381][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2842.427381][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.427381][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.427381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.427381][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2842.427381][ T72] ipv6_add_addr+0x411/0x2000 [ 2842.427381][ T72] inet6_addr_add+0x30e/0xa40 [ 2842.427381][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.427381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.427381][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.427381][ T72] netlink_unicast+0x449/0x710 [ 2842.427381][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.427381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.427381][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.427381][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.427381][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.427381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.427381][ T72] [ 2842.429644][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2842.429644][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.429644][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.429644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.429644][ T72] ip6_route_add+0x1c/0x140 [ 2842.429644][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2842.429644][ T72] addrconf_add_dev+0xe2/0x170 [ 2842.429644][ T72] inet6_addr_add+0x12f/0xa40 [ 2842.429644][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.429644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.429644][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.429644][ T72] netlink_unicast+0x449/0x710 [ 2842.429644][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.429644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.429644][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.429644][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.429644][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.429644][ T72] [ 2842.431988][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2842.431988][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2842.431988][ T72] ipv6_find_idev+0x102/0x170 [ 2842.431988][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2842.431988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.431988][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.431988][ T72] netlink_unicast+0x449/0x710 [ 2842.431988][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.431988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.431988][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.431988][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.431988][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.431988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.431988][ T72] [ 2842.433773][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2842.433773][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2842.433773][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2842.433773][ T72] ipv6_find_idev+0x102/0x170 [ 2842.433773][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2842.433773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.433773][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.433773][ T72] netlink_unicast+0x449/0x710 [ 2842.433773][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.433773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.433773][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.433773][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.433773][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.433773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.433773][ T72] [ 2842.435702][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2842.436423][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2842.436423][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.436423][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.436423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.436423][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2842.436423][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2842.436423][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2842.436423][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2842.436423][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2842.436423][ T72] addrconf_dad_begin+0x310/0x670 [ 2842.436423][ T72] addrconf_dad_work+0x10b/0xab0 [ 2842.436423][ T72] process_one_work+0x84d/0x18a0 [ 2842.436423][ T72] worker_thread+0x587/0xd30 [ 2842.436423][ T72] kthread+0x28a/0x350 [ 2842.436423][ T72] ret_from_fork+0x31/0x70 [ 2842.436423][ T72] ret_from_fork_asm+0x1a/0x30 [ 2842.436423][ T72] [ 2842.438403][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2842.438403][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.438403][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.438403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.438403][ T72] ip6_route_add+0x1c/0x140 [ 2842.438403][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2842.438403][ T72] inet6_addr_add+0x4f8/0xa40 [ 2842.438403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.438403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.438403][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.438403][ T72] netlink_unicast+0x449/0x710 [ 2842.438403][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.438403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.438403][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.438403][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.438403][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.438403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.438403][ T72] [ 2842.440600][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2842.440600][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.440600][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.440600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.440600][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2842.440600][ T72] ipv6_add_addr+0x411/0x2000 [ 2842.440600][ T72] inet6_addr_add+0x30e/0xa40 [ 2842.440600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.440600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.440600][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.440600][ T72] netlink_unicast+0x449/0x710 [ 2842.440600][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.440600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.440600][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.440600][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.440600][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.440600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.440600][ T72] [ 2842.442913][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2842.442913][ T72] netdev_get_by_index+0x5e/0x80 [ 2842.442913][ T72] fib6_nh_init+0x3d8/0x1580 [ 2842.442913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2842.442913][ T72] ip6_route_add+0x1c/0x140 [ 2842.442913][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2842.442913][ T72] addrconf_add_dev+0xe2/0x170 [ 2842.442913][ T72] inet6_addr_add+0x12f/0xa40 [ 2842.442913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2842.442913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.442913][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.442913][ T72] netlink_unicast+0x449/0x710 [ 2842.442913][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.442913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.442913][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.442913][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.442913][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.442913][ T72] [ 2842.445258][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2842.445258][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2842.445258][ T72] ipv6_find_idev+0x102/0x170 [ 2842.445258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2842.445258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.445258][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.445258][ T72] netlink_unicast+0x449/0x710 [ 2842.445258][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.445258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.445258][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.445258][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.445258][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.445258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.445258][ T72] [ 2842.446991][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2842.446991][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2842.446991][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2842.446991][ T72] ipv6_find_idev+0x102/0x170 [ 2842.446991][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2842.446991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2842.446991][ T72] netlink_rcv_skb+0x130/0x360 [ 2842.446991][ T72] netlink_unicast+0x449/0x710 [ 2842.446991][ T72] netlink_sendmsg+0x723/0xbe0 [ 2842.446991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2842.446991][ T72] ___sys_sendmsg+0xee/0x170 [ 2842.446991][ T72] __sys_sendmsg+0xcd/0x170 [ 2842.446991][ T72] do_syscall_64+0xc6/0x1e0 [ 2842.446991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2842.446991][ T72] [ 2852.688903][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2852.689398][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2852.689398][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2852.689398][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2852.689398][ T72] fib6_nh_init+0xa22/0x1580 [ 2852.689398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.689398][ T72] ip6_route_add+0x1c/0x140 [ 2852.689398][ T72] inet6_rtm_newroute+0x104/0x110 [ 2852.689398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.689398][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.689398][ T72] netlink_unicast+0x449/0x710 [ 2852.689398][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.689398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.689398][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.689398][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.689398][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.689398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.689398][ T72] [ 2852.691304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2852.691304][ T72] dst_init+0x84/0x4a0 [ 2852.691304][ T72] dst_alloc+0x97/0x150 [ 2852.691304][ T72] ip6_dst_alloc+0x23/0x90 [ 2852.691304][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2852.691304][ T72] ip6_pol_route+0x56f/0x840 [ 2852.691304][ T72] fib6_rule_lookup+0x456/0x630 [ 2852.691304][ T72] ip6_route_input+0x59c/0xa50 [ 2852.691304][ T72] ipv6_rcv+0x397/0x810 [ 2852.691304][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2852.691304][ T72] process_backlog+0x101/0x620 [ 2852.691304][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2852.691304][ T72] net_rx_action+0x495/0xbe0 [ 2852.691304][ T72] __do_softirq+0x1b5/0x7f6 [ 2852.691304][ T72] [ 2852.692950][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2852.692950][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.692950][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.692950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.692950][ T72] ip6_route_add+0x1c/0x140 [ 2852.692950][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2852.692950][ T72] inet6_addr_add+0x4f8/0xa40 [ 2852.692950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.692950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.692950][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.692950][ T72] netlink_unicast+0x449/0x710 [ 2852.692950][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.692950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.692950][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.692950][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.692950][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.692950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.692950][ T72] [ 2852.694965][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2852.694965][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.694965][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.694965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.694965][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2852.694965][ T72] ipv6_add_addr+0x411/0x2000 [ 2852.694965][ T72] inet6_addr_add+0x30e/0xa40 [ 2852.694965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.694965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.694965][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.694965][ T72] netlink_unicast+0x449/0x710 [ 2852.694965][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.694965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.694965][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.694965][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.694965][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.694965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.694965][ T72] [ 2852.697460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2852.697460][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.697460][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.697460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.697460][ T72] ip6_route_add+0x1c/0x140 [ 2852.697460][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2852.697460][ T72] addrconf_add_dev+0xe2/0x170 [ 2852.697460][ T72] inet6_addr_add+0x12f/0xa40 [ 2852.697460][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.697460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.697460][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.697460][ T72] netlink_unicast+0x449/0x710 [ 2852.697460][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.697460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.697460][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.697460][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.697460][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.697460][ T72] [ 2852.699418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2852.699418][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2852.699418][ T72] ipv6_find_idev+0x102/0x170 [ 2852.699418][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.699418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.699418][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.699418][ T72] netlink_unicast+0x449/0x710 [ 2852.699418][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.699418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.699418][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.699418][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.699418][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.699418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.699418][ T72] [ 2852.700957][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2852.700957][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2852.700957][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2852.700957][ T72] ipv6_find_idev+0x102/0x170 [ 2852.700957][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.700957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.700957][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.700957][ T72] netlink_unicast+0x449/0x710 [ 2852.700957][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.700957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.700957][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.700957][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.700957][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.700957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.700957][ T72] [ 2852.702626][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2852.702909][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2852.702909][ T72] dst_init+0x84/0x4a0 [ 2852.702909][ T72] dst_alloc+0x97/0x150 [ 2852.702909][ T72] ip6_dst_alloc+0x23/0x90 [ 2852.702909][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2852.702909][ T72] ip6_pol_route+0x56f/0x840 [ 2852.702909][ T72] fib6_rule_lookup+0x456/0x630 [ 2852.702909][ T72] ip6_route_input+0x59c/0xa50 [ 2852.702909][ T72] ipv6_rcv+0x397/0x810 [ 2852.702909][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2852.702909][ T72] process_backlog+0x101/0x620 [ 2852.702909][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2852.702909][ T72] net_rx_action+0x495/0xbe0 [ 2852.702909][ T72] __do_softirq+0x1b5/0x7f6 [ 2852.702909][ T72] [ 2852.704550][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2852.704550][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.704550][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.704550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.704550][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2852.704550][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2852.704550][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2852.704550][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2852.704550][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2852.704550][ T72] addrconf_dad_begin+0x310/0x670 [ 2852.704550][ T72] addrconf_dad_work+0x10b/0xab0 [ 2852.704550][ T72] process_one_work+0x84d/0x18a0 [ 2852.704550][ T72] worker_thread+0x587/0xd30 [ 2852.704550][ T72] kthread+0x28a/0x350 [ 2852.704550][ T72] ret_from_fork+0x31/0x70 [ 2852.704550][ T72] ret_from_fork_asm+0x1a/0x30 [ 2852.704550][ T72] [ 2852.706430][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2852.706430][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.706430][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.706430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.706430][ T72] ip6_route_add+0x1c/0x140 [ 2852.706430][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2852.706430][ T72] inet6_addr_add+0x4f8/0xa40 [ 2852.706430][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.706430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.706430][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.706430][ T72] netlink_unicast+0x449/0x710 [ 2852.706430][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.706430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.706430][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.706430][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.706430][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.706430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.706430][ T72] [ 2852.708423][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2852.708423][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.708423][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.708423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.708423][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2852.708423][ T72] ipv6_add_addr+0x411/0x2000 [ 2852.708423][ T72] inet6_addr_add+0x30e/0xa40 [ 2852.708423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.708423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.708423][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.708423][ T72] netlink_unicast+0x449/0x710 [ 2852.708423][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.708423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.708423][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.708423][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.708423][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.708423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.708423][ T72] [ 2852.710401][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2852.710401][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.710401][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.710401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.710401][ T72] ip6_route_add+0x1c/0x140 [ 2852.710401][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2852.710401][ T72] addrconf_add_dev+0xe2/0x170 [ 2852.710401][ T72] inet6_addr_add+0x12f/0xa40 [ 2852.710401][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.710401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.710401][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.710401][ T72] netlink_unicast+0x449/0x710 [ 2852.710401][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.710401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.710401][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.710401][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.710401][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.710401][ T72] [ 2852.712748][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2852.712748][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2852.712748][ T72] ipv6_find_idev+0x102/0x170 [ 2852.712748][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.712748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.712748][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.712748][ T72] netlink_unicast+0x449/0x710 [ 2852.712748][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.712748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.712748][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.712748][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.712748][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.712748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.712748][ T72] [ 2852.714292][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2852.714292][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2852.714292][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2852.714292][ T72] ipv6_find_idev+0x102/0x170 [ 2852.714292][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.714292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.714292][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.714292][ T72] netlink_unicast+0x449/0x710 [ 2852.714292][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.714292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.714292][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.714292][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.714292][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.714292][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.714292][ T72] [ 2852.716028][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2852.716360][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2852.716360][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2852.716360][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2852.716360][ T72] fib6_nh_init+0xa22/0x1580 [ 2852.716360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.716360][ T72] ip6_route_add+0x1c/0x140 [ 2852.716360][ T72] inet6_rtm_newroute+0x104/0x110 [ 2852.716360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.716360][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.716360][ T72] netlink_unicast+0x449/0x710 [ 2852.716360][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.716360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.716360][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.716360][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.716360][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.716360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.716360][ T72] [ 2852.718474][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2852.718474][ T72] dst_init+0x84/0x4a0 [ 2852.718474][ T72] dst_alloc+0x97/0x150 [ 2852.718474][ T72] ip6_dst_alloc+0x23/0x90 [ 2852.718474][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2852.718474][ T72] ip6_pol_route+0x56f/0x840 [ 2852.718474][ T72] fib6_rule_lookup+0x456/0x630 [ 2852.718474][ T72] ip6_route_input+0x59c/0xa50 [ 2852.718474][ T72] ipv6_rcv+0x397/0x810 [ 2852.718474][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2852.718474][ T72] process_backlog+0x101/0x620 [ 2852.718474][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2852.718474][ T72] net_rx_action+0x495/0xbe0 [ 2852.718474][ T72] __do_softirq+0x1b5/0x7f6 [ 2852.718474][ T72] [ 2852.720274][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2852.720274][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.720274][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.720274][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.720274][ T72] ip6_route_add+0x1c/0x140 [ 2852.720274][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2852.720274][ T72] inet6_addr_add+0x4f8/0xa40 [ 2852.720274][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.720274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.720274][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.720274][ T72] netlink_unicast+0x449/0x710 [ 2852.720274][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.720274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.720274][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.720274][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.720274][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.720274][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.720274][ T72] [ 2852.722506][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2852.722506][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.722506][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.722506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.722506][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2852.722506][ T72] ipv6_add_addr+0x411/0x2000 [ 2852.722506][ T72] inet6_addr_add+0x30e/0xa40 [ 2852.722506][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.722506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.722506][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.722506][ T72] netlink_unicast+0x449/0x710 [ 2852.722506][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.722506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.722506][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.722506][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.722506][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.722506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.722506][ T72] [ 2852.724743][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2852.724743][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.724743][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.724743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.724743][ T72] ip6_route_add+0x1c/0x140 [ 2852.724743][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2852.724743][ T72] addrconf_add_dev+0xe2/0x170 [ 2852.724743][ T72] inet6_addr_add+0x12f/0xa40 [ 2852.724743][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.724743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.724743][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.724743][ T72] netlink_unicast+0x449/0x710 [ 2852.724743][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.724743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.724743][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.724743][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.724743][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.724743][ T72] [ 2852.726981][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2852.726981][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2852.726981][ T72] ipv6_find_idev+0x102/0x170 [ 2852.726981][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.726981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.726981][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.726981][ T72] netlink_unicast+0x449/0x710 [ 2852.726981][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.726981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.726981][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.726981][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.726981][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.726981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.726981][ T72] [ 2852.728688][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2852.728688][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2852.728688][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2852.728688][ T72] ipv6_find_idev+0x102/0x170 [ 2852.728688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.728688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.728688][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.728688][ T72] netlink_unicast+0x449/0x710 [ 2852.728688][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.728688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.728688][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.728688][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.728688][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.728688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.728688][ T72] [ 2852.730900][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2852.731181][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2852.731181][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.731181][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.731181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.731181][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2852.731181][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2852.731181][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2852.731181][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2852.731181][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2852.731181][ T72] addrconf_dad_begin+0x310/0x670 [ 2852.731181][ T72] addrconf_dad_work+0x10b/0xab0 [ 2852.731181][ T72] process_one_work+0x84d/0x18a0 [ 2852.731181][ T72] worker_thread+0x587/0xd30 [ 2852.731181][ T72] kthread+0x28a/0x350 [ 2852.731181][ T72] ret_from_fork+0x31/0x70 [ 2852.731181][ T72] ret_from_fork_asm+0x1a/0x30 [ 2852.731181][ T72] [ 2852.733329][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2852.733329][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.733329][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.733329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.733329][ T72] ip6_route_add+0x1c/0x140 [ 2852.733329][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2852.733329][ T72] inet6_addr_add+0x4f8/0xa40 [ 2852.733329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.733329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.733329][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.733329][ T72] netlink_unicast+0x449/0x710 [ 2852.733329][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.733329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.733329][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.733329][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.733329][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.733329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.733329][ T72] [ 2852.735588][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2852.735588][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.735588][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.735588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.735588][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2852.735588][ T72] ipv6_add_addr+0x411/0x2000 [ 2852.735588][ T72] inet6_addr_add+0x30e/0xa40 [ 2852.735588][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.735588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.735588][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.735588][ T72] netlink_unicast+0x449/0x710 [ 2852.735588][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.735588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.735588][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.735588][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.735588][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.735588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.735588][ T72] [ 2852.737879][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2852.737879][ T72] netdev_get_by_index+0x5e/0x80 [ 2852.737879][ T72] fib6_nh_init+0x3d8/0x1580 [ 2852.737879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2852.737879][ T72] ip6_route_add+0x1c/0x140 [ 2852.737879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2852.737879][ T72] addrconf_add_dev+0xe2/0x170 [ 2852.737879][ T72] inet6_addr_add+0x12f/0xa40 [ 2852.737879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.737879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.737879][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.737879][ T72] netlink_unicast+0x449/0x710 [ 2852.737879][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.737879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.737879][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.737879][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.737879][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.737879][ T72] [ 2852.739996][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2852.739996][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2852.739996][ T72] ipv6_find_idev+0x102/0x170 [ 2852.739996][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.739996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.739996][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.739996][ T72] netlink_unicast+0x449/0x710 [ 2852.739996][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.739996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.739996][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.739996][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.739996][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.739996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.739996][ T72] [ 2852.741738][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2852.741738][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2852.741738][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2852.741738][ T72] ipv6_find_idev+0x102/0x170 [ 2852.741738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.741738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.741738][ T72] netlink_rcv_skb+0x130/0x360 [ 2852.741738][ T72] netlink_unicast+0x449/0x710 [ 2852.741738][ T72] netlink_sendmsg+0x723/0xbe0 [ 2852.741738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2852.741738][ T72] ___sys_sendmsg+0xee/0x170 [ 2852.741738][ T72] __sys_sendmsg+0xcd/0x170 [ 2852.741738][ T72] do_syscall_64+0xc6/0x1e0 [ 2852.741738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.741738][ T72] [ 2862.841016][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2862.841518][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2862.841518][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2862.841518][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2862.841518][ T72] fib6_nh_init+0xa22/0x1580 [ 2862.841518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.841518][ T72] ip6_route_add+0x1c/0x140 [ 2862.841518][ T72] inet6_rtm_newroute+0x104/0x110 [ 2862.841518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.841518][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.841518][ T72] netlink_unicast+0x449/0x710 [ 2862.841518][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.841518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.841518][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.841518][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.841518][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.841518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.841518][ T72] [ 2862.843400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2862.843400][ T72] dst_init+0x84/0x4a0 [ 2862.843400][ T72] dst_alloc+0x97/0x150 [ 2862.843400][ T72] ip6_dst_alloc+0x23/0x90 [ 2862.843400][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2862.843400][ T72] ip6_pol_route+0x56f/0x840 [ 2862.843400][ T72] fib6_rule_lookup+0x456/0x630 [ 2862.843400][ T72] ip6_route_input+0x59c/0xa50 [ 2862.843400][ T72] ipv6_rcv+0x397/0x810 [ 2862.843400][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2862.843400][ T72] process_backlog+0x101/0x620 [ 2862.843400][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2862.843400][ T72] net_rx_action+0x495/0xbe0 [ 2862.843400][ T72] __do_softirq+0x1b5/0x7f6 [ 2862.843400][ T72] [ 2862.845059][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2862.845059][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.845059][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.845059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.845059][ T72] ip6_route_add+0x1c/0x140 [ 2862.845059][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2862.845059][ T72] inet6_addr_add+0x4f8/0xa40 [ 2862.845059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.845059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.845059][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.845059][ T72] netlink_unicast+0x449/0x710 [ 2862.845059][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.845059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.845059][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.845059][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.845059][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.845059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.845059][ T72] [ 2862.847070][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2862.847070][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.847070][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.847070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.847070][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2862.847070][ T72] ipv6_add_addr+0x411/0x2000 [ 2862.847070][ T72] inet6_addr_add+0x30e/0xa40 [ 2862.847070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.847070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.847070][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.847070][ T72] netlink_unicast+0x449/0x710 [ 2862.847070][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.847070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.847070][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.847070][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.847070][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.847070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.847070][ T72] [ 2862.849052][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2862.849052][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.849052][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.849052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.849052][ T72] ip6_route_add+0x1c/0x140 [ 2862.849052][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2862.849052][ T72] addrconf_add_dev+0xe2/0x170 [ 2862.849052][ T72] inet6_addr_add+0x12f/0xa40 [ 2862.849052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.849052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.849052][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.849052][ T72] netlink_unicast+0x449/0x710 [ 2862.849052][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.849052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.849052][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.849052][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.849052][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.849052][ T72] [ 2862.851026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2862.851026][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2862.851026][ T72] ipv6_find_idev+0x102/0x170 [ 2862.851026][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.851026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.851026][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.851026][ T72] netlink_unicast+0x449/0x710 [ 2862.851026][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.851026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.851026][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.851026][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.851026][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.851026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.851026][ T72] [ 2862.852567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2862.852567][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2862.852567][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2862.852567][ T72] ipv6_find_idev+0x102/0x170 [ 2862.852567][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.852567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.852567][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.852567][ T72] netlink_unicast+0x449/0x710 [ 2862.852567][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.852567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.852567][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.852567][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.852567][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.852567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.852567][ T72] [ 2862.854283][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2862.854565][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2862.854565][ T72] dst_init+0x84/0x4a0 [ 2862.854565][ T72] dst_alloc+0x97/0x150 [ 2862.854565][ T72] ip6_dst_alloc+0x23/0x90 [ 2862.854565][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2862.854565][ T72] ip6_pol_route+0x56f/0x840 [ 2862.854565][ T72] fib6_rule_lookup+0x456/0x630 [ 2862.854565][ T72] ip6_route_input+0x59c/0xa50 [ 2862.854565][ T72] ipv6_rcv+0x397/0x810 [ 2862.854565][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2862.854565][ T72] process_backlog+0x101/0x620 [ 2862.854565][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2862.854565][ T72] net_rx_action+0x495/0xbe0 [ 2862.854565][ T72] __do_softirq+0x1b5/0x7f6 [ 2862.854565][ T72] [ 2862.856203][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2862.856203][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.856203][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.856203][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.856203][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2862.856203][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2862.856203][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2862.856203][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2862.856203][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2862.856203][ T72] addrconf_dad_begin+0x310/0x670 [ 2862.856203][ T72] addrconf_dad_work+0x10b/0xab0 [ 2862.856203][ T72] process_one_work+0x84d/0x18a0 [ 2862.856203][ T72] worker_thread+0x587/0xd30 [ 2862.856203][ T72] kthread+0x28a/0x350 [ 2862.856203][ T72] ret_from_fork+0x31/0x70 [ 2862.856203][ T72] ret_from_fork_asm+0x1a/0x30 [ 2862.856203][ T72] [ 2862.858140][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2862.858140][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.858140][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.858140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.858140][ T72] ip6_route_add+0x1c/0x140 [ 2862.858140][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2862.858140][ T72] inet6_addr_add+0x4f8/0xa40 [ 2862.858140][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.858140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.858140][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.858140][ T72] netlink_unicast+0x449/0x710 [ 2862.858140][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.858140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.858140][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.858140][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.858140][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.858140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.858140][ T72] [ 2862.860136][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2862.860136][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.860136][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.860136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.860136][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2862.860136][ T72] ipv6_add_addr+0x411/0x2000 [ 2862.860136][ T72] inet6_addr_add+0x30e/0xa40 [ 2862.860136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.860136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.860136][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.860136][ T72] netlink_unicast+0x449/0x710 [ 2862.860136][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.860136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.860136][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.860136][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.860136][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.860136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.860136][ T72] [ 2862.862129][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2862.862129][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.862129][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.862129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.862129][ T72] ip6_route_add+0x1c/0x140 [ 2862.862129][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2862.862129][ T72] addrconf_add_dev+0xe2/0x170 [ 2862.862129][ T72] inet6_addr_add+0x12f/0xa40 [ 2862.862129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.862129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.862129][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.862129][ T72] netlink_unicast+0x449/0x710 [ 2862.862129][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.862129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.862129][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.862129][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.862129][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.862129][ T72] [ 2862.864093][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2862.864093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2862.864093][ T72] ipv6_find_idev+0x102/0x170 [ 2862.864093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.864093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.864093][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.864093][ T72] netlink_unicast+0x449/0x710 [ 2862.864093][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.864093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.864093][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.864093][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.864093][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.864093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.864093][ T72] [ 2862.865667][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2862.865667][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2862.865667][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2862.865667][ T72] ipv6_find_idev+0x102/0x170 [ 2862.865667][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.865667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.865667][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.865667][ T72] netlink_unicast+0x449/0x710 [ 2862.865667][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.865667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.865667][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.865667][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.865667][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.865667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.865667][ T72] [ 2862.867407][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2862.867674][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2862.867674][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2862.867674][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2862.867674][ T72] fib6_nh_init+0xa22/0x1580 [ 2862.867674][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.867674][ T72] ip6_route_add+0x1c/0x140 [ 2862.867674][ T72] inet6_rtm_newroute+0x104/0x110 [ 2862.867674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.867674][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.867674][ T72] netlink_unicast+0x449/0x710 [ 2862.867674][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.867674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.867674][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.867674][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.867674][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.867674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.867674][ T72] [ 2862.869855][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2862.869855][ T72] dst_init+0x84/0x4a0 [ 2862.869855][ T72] dst_alloc+0x97/0x150 [ 2862.869855][ T72] ip6_dst_alloc+0x23/0x90 [ 2862.869855][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2862.869855][ T72] ip6_pol_route+0x56f/0x840 [ 2862.869855][ T72] fib6_rule_lookup+0x456/0x630 [ 2862.869855][ T72] ip6_route_input+0x59c/0xa50 [ 2862.869855][ T72] ipv6_rcv+0x397/0x810 [ 2862.869855][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2862.869855][ T72] process_backlog+0x101/0x620 [ 2862.869855][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2862.869855][ T72] net_rx_action+0x495/0xbe0 [ 2862.869855][ T72] __do_softirq+0x1b5/0x7f6 [ 2862.869855][ T72] [ 2862.871672][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2862.871672][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.871672][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.871672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.871672][ T72] ip6_route_add+0x1c/0x140 [ 2862.871672][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2862.871672][ T72] inet6_addr_add+0x4f8/0xa40 [ 2862.871672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.871672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.871672][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.871672][ T72] netlink_unicast+0x449/0x710 [ 2862.871672][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.871672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.871672][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.871672][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.871672][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.871672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.871672][ T72] [ 2862.873868][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2862.873868][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.873868][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.873868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.873868][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2862.873868][ T72] ipv6_add_addr+0x411/0x2000 [ 2862.873868][ T72] inet6_addr_add+0x30e/0xa40 [ 2862.873868][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.873868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.873868][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.873868][ T72] netlink_unicast+0x449/0x710 [ 2862.873868][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.873868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.873868][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.873868][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.873868][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.873868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.873868][ T72] [ 2862.876167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2862.876167][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.876167][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.876167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.876167][ T72] ip6_route_add+0x1c/0x140 [ 2862.876167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2862.876167][ T72] addrconf_add_dev+0xe2/0x170 [ 2862.876167][ T72] inet6_addr_add+0x12f/0xa40 [ 2862.876167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.876167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.876167][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.876167][ T72] netlink_unicast+0x449/0x710 [ 2862.876167][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.876167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.876167][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.876167][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.876167][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.876167][ T72] [ 2862.878288][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2862.878288][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2862.878288][ T72] ipv6_find_idev+0x102/0x170 [ 2862.878288][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.878288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.878288][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.878288][ T72] netlink_unicast+0x449/0x710 [ 2862.878288][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.878288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.878288][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.878288][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.878288][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.878288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.878288][ T72] [ 2862.879979][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2862.879979][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2862.879979][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2862.879979][ T72] ipv6_find_idev+0x102/0x170 [ 2862.879979][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.879979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.879979][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.879979][ T72] netlink_unicast+0x449/0x710 [ 2862.879979][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.879979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.879979][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.879979][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.879979][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.879979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.879979][ T72] [ 2862.881846][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2862.882146][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2862.882146][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.882146][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.882146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.882146][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2862.882146][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2862.882146][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2862.882146][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2862.882146][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2862.882146][ T72] addrconf_dad_begin+0x310/0x670 [ 2862.882146][ T72] addrconf_dad_work+0x10b/0xab0 [ 2862.882146][ T72] process_one_work+0x84d/0x18a0 [ 2862.882146][ T72] worker_thread+0x587/0xd30 [ 2862.882146][ T72] kthread+0x28a/0x350 [ 2862.882146][ T72] ret_from_fork+0x31/0x70 [ 2862.882146][ T72] ret_from_fork_asm+0x1a/0x30 [ 2862.882146][ T72] [ 2862.884234][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2862.884234][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.884234][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.884234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.884234][ T72] ip6_route_add+0x1c/0x140 [ 2862.884234][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2862.884234][ T72] inet6_addr_add+0x4f8/0xa40 [ 2862.884234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.884234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.884234][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.884234][ T72] netlink_unicast+0x449/0x710 [ 2862.884234][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.884234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.884234][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.884234][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.884234][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.884234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.884234][ T72] [ 2862.886434][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2862.886434][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.886434][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.886434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.886434][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2862.886434][ T72] ipv6_add_addr+0x411/0x2000 [ 2862.886434][ T72] inet6_addr_add+0x30e/0xa40 [ 2862.886434][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.886434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.886434][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.886434][ T72] netlink_unicast+0x449/0x710 [ 2862.886434][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.886434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.886434][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.886434][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.886434][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.886434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.886434][ T72] [ 2862.888749][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2862.888749][ T72] netdev_get_by_index+0x5e/0x80 [ 2862.888749][ T72] fib6_nh_init+0x3d8/0x1580 [ 2862.888749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2862.888749][ T72] ip6_route_add+0x1c/0x140 [ 2862.888749][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2862.888749][ T72] addrconf_add_dev+0xe2/0x170 [ 2862.888749][ T72] inet6_addr_add+0x12f/0xa40 [ 2862.888749][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.888749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.888749][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.888749][ T72] netlink_unicast+0x449/0x710 [ 2862.888749][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.888749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.888749][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.888749][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.888749][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.888749][ T72] [ 2862.890934][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2862.890934][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2862.890934][ T72] ipv6_find_idev+0x102/0x170 [ 2862.890934][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.890934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.890934][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.890934][ T72] netlink_unicast+0x449/0x710 [ 2862.890934][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.890934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.890934][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.890934][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.890934][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.890934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.890934][ T72] [ 2862.892682][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2862.892682][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2862.892682][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2862.892682][ T72] ipv6_find_idev+0x102/0x170 [ 2862.892682][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.892682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.892682][ T72] netlink_rcv_skb+0x130/0x360 [ 2862.892682][ T72] netlink_unicast+0x449/0x710 [ 2862.892682][ T72] netlink_sendmsg+0x723/0xbe0 [ 2862.892682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2862.892682][ T72] ___sys_sendmsg+0xee/0x170 [ 2862.892682][ T72] __sys_sendmsg+0xcd/0x170 [ 2862.892682][ T72] do_syscall_64+0xc6/0x1e0 [ 2862.892682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.892682][ T72] [ 2873.129027][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2873.129639][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2873.129639][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2873.129639][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2873.129639][ T72] fib6_nh_init+0xa22/0x1580 [ 2873.129639][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.129639][ T72] ip6_route_add+0x1c/0x140 [ 2873.129639][ T72] inet6_rtm_newroute+0x104/0x110 [ 2873.129639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.129639][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.129639][ T72] netlink_unicast+0x449/0x710 [ 2873.129639][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.129639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.129639][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.129639][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.129639][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.129639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.129639][ T72] [ 2873.131515][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2873.131515][ T72] dst_init+0x84/0x4a0 [ 2873.131515][ T72] dst_alloc+0x97/0x150 [ 2873.131515][ T72] ip6_dst_alloc+0x23/0x90 [ 2873.131515][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2873.131515][ T72] ip6_pol_route+0x56f/0x840 [ 2873.131515][ T72] fib6_rule_lookup+0x456/0x630 [ 2873.131515][ T72] ip6_route_input+0x59c/0xa50 [ 2873.131515][ T72] ipv6_rcv+0x397/0x810 [ 2873.131515][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2873.131515][ T72] process_backlog+0x101/0x620 [ 2873.131515][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2873.131515][ T72] net_rx_action+0x495/0xbe0 [ 2873.131515][ T72] __do_softirq+0x1b5/0x7f6 [ 2873.131515][ T72] [ 2873.133145][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2873.133145][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.133145][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.133145][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.133145][ T72] ip6_route_add+0x1c/0x140 [ 2873.133145][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2873.133145][ T72] inet6_addr_add+0x4f8/0xa40 [ 2873.133145][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.133145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.133145][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.133145][ T72] netlink_unicast+0x449/0x710 [ 2873.133145][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.133145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.133145][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.133145][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.133145][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.133145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.133145][ T72] [ 2873.135121][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2873.135121][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.135121][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.135121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.135121][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2873.135121][ T72] ipv6_add_addr+0x411/0x2000 [ 2873.135121][ T72] inet6_addr_add+0x30e/0xa40 [ 2873.135121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.135121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.135121][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.135121][ T72] netlink_unicast+0x449/0x710 [ 2873.135121][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.135121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.135121][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.135121][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.135121][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.135121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.135121][ T72] [ 2873.137071][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2873.137071][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.137071][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.137071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.137071][ T72] ip6_route_add+0x1c/0x140 [ 2873.137071][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2873.137071][ T72] addrconf_add_dev+0xe2/0x170 [ 2873.137071][ T72] inet6_addr_add+0x12f/0xa40 [ 2873.137071][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.137071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.137071][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.137071][ T72] netlink_unicast+0x449/0x710 [ 2873.137071][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.137071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.137071][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.137071][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.137071][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.137071][ T72] [ 2873.138968][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2873.138968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2873.138968][ T72] ipv6_find_idev+0x102/0x170 [ 2873.138968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.138968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.138968][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.138968][ T72] netlink_unicast+0x449/0x710 [ 2873.138968][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.138968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.138968][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.138968][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.138968][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.138968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.138968][ T72] [ 2873.140459][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2873.140459][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2873.140459][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2873.140459][ T72] ipv6_find_idev+0x102/0x170 [ 2873.140459][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.140459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.140459][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.140459][ T72] netlink_unicast+0x449/0x710 [ 2873.140459][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.140459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.140459][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.140459][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.140459][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.140459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.140459][ T72] [ 2873.142095][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2873.142383][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2873.142383][ T72] dst_init+0x84/0x4a0 [ 2873.142383][ T72] dst_alloc+0x97/0x150 [ 2873.142383][ T72] ip6_dst_alloc+0x23/0x90 [ 2873.142383][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2873.142383][ T72] ip6_pol_route+0x56f/0x840 [ 2873.142383][ T72] fib6_rule_lookup+0x456/0x630 [ 2873.142383][ T72] ip6_route_input+0x59c/0xa50 [ 2873.142383][ T72] ipv6_rcv+0x397/0x810 [ 2873.142383][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2873.142383][ T72] process_backlog+0x101/0x620 [ 2873.142383][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2873.142383][ T72] net_rx_action+0x495/0xbe0 [ 2873.142383][ T72] __do_softirq+0x1b5/0x7f6 [ 2873.142383][ T72] [ 2873.144007][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2873.144007][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.144007][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.144007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.144007][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2873.144007][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2873.144007][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2873.144007][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2873.144007][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2873.144007][ T72] addrconf_dad_begin+0x310/0x670 [ 2873.144007][ T72] addrconf_dad_work+0x10b/0xab0 [ 2873.144007][ T72] process_one_work+0x84d/0x18a0 [ 2873.144007][ T72] worker_thread+0x587/0xd30 [ 2873.144007][ T72] kthread+0x28a/0x350 [ 2873.144007][ T72] ret_from_fork+0x31/0x70 [ 2873.144007][ T72] ret_from_fork_asm+0x1a/0x30 [ 2873.144007][ T72] [ 2873.145907][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2873.145907][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.145907][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.145907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.145907][ T72] ip6_route_add+0x1c/0x140 [ 2873.145907][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2873.145907][ T72] inet6_addr_add+0x4f8/0xa40 [ 2873.145907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.145907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.145907][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.145907][ T72] netlink_unicast+0x449/0x710 [ 2873.145907][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.145907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.145907][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.145907][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.145907][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.145907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.145907][ T72] [ 2873.147890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2873.147890][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.147890][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.147890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.147890][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2873.147890][ T72] ipv6_add_addr+0x411/0x2000 [ 2873.147890][ T72] inet6_addr_add+0x30e/0xa40 [ 2873.147890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.147890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.147890][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.147890][ T72] netlink_unicast+0x449/0x710 [ 2873.147890][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.147890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.147890][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.147890][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.147890][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.147890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.147890][ T72] [ 2873.149871][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2873.149871][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.149871][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.149871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.149871][ T72] ip6_route_add+0x1c/0x140 [ 2873.149871][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2873.149871][ T72] addrconf_add_dev+0xe2/0x170 [ 2873.149871][ T72] inet6_addr_add+0x12f/0xa40 [ 2873.149871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.149871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.149871][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.149871][ T72] netlink_unicast+0x449/0x710 [ 2873.149871][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.149871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.149871][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.149871][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.149871][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.149871][ T72] [ 2873.151798][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2873.151798][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2873.151798][ T72] ipv6_find_idev+0x102/0x170 [ 2873.151798][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.151798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.151798][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.151798][ T72] netlink_unicast+0x449/0x710 [ 2873.151798][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.151798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.151798][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.151798][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.151798][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.151798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.151798][ T72] [ 2873.153279][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2873.153279][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2873.153279][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2873.153279][ T72] ipv6_find_idev+0x102/0x170 [ 2873.153279][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.153279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.153279][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.153279][ T72] netlink_unicast+0x449/0x710 [ 2873.153279][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.153279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.153279][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.153279][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.153279][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.153279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.153279][ T72] [ 2873.155066][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2873.155397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2873.155397][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2873.155397][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2873.155397][ T72] fib6_nh_init+0xa22/0x1580 [ 2873.155397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.155397][ T72] ip6_route_add+0x1c/0x140 [ 2873.155397][ T72] inet6_rtm_newroute+0x104/0x110 [ 2873.155397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.155397][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.155397][ T72] netlink_unicast+0x449/0x710 [ 2873.155397][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.155397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.155397][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.155397][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.155397][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.155397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.155397][ T72] [ 2873.157493][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2873.157493][ T72] dst_init+0x84/0x4a0 [ 2873.157493][ T72] dst_alloc+0x97/0x150 [ 2873.157493][ T72] ip6_dst_alloc+0x23/0x90 [ 2873.157493][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2873.157493][ T72] ip6_pol_route+0x56f/0x840 [ 2873.157493][ T72] fib6_rule_lookup+0x456/0x630 [ 2873.157493][ T72] ip6_route_input+0x59c/0xa50 [ 2873.157493][ T72] ipv6_rcv+0x397/0x810 [ 2873.157493][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2873.157493][ T72] process_backlog+0x101/0x620 [ 2873.157493][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2873.157493][ T72] net_rx_action+0x495/0xbe0 [ 2873.157493][ T72] __do_softirq+0x1b5/0x7f6 [ 2873.157493][ T72] [ 2873.159299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2873.159299][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.159299][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.159299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.159299][ T72] ip6_route_add+0x1c/0x140 [ 2873.159299][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2873.159299][ T72] inet6_addr_add+0x4f8/0xa40 [ 2873.159299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.159299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.159299][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.159299][ T72] netlink_unicast+0x449/0x710 [ 2873.159299][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.159299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.159299][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.159299][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.159299][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.159299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.159299][ T72] [ 2873.161513][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2873.161513][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.161513][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.161513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.161513][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2873.161513][ T72] ipv6_add_addr+0x411/0x2000 [ 2873.161513][ T72] inet6_addr_add+0x30e/0xa40 [ 2873.161513][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.161513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.161513][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.161513][ T72] netlink_unicast+0x449/0x710 [ 2873.161513][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.161513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.161513][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.161513][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.161513][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.161513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.161513][ T72] [ 2873.163723][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2873.163723][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.163723][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.163723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.163723][ T72] ip6_route_add+0x1c/0x140 [ 2873.163723][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2873.163723][ T72] addrconf_add_dev+0xe2/0x170 [ 2873.163723][ T72] inet6_addr_add+0x12f/0xa40 [ 2873.163723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.163723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.163723][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.163723][ T72] netlink_unicast+0x449/0x710 [ 2873.163723][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.163723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.163723][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.163723][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.163723][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.163723][ T72] [ 2873.165976][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2873.165976][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2873.165976][ T72] ipv6_find_idev+0x102/0x170 [ 2873.165976][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.165976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.165976][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.165976][ T72] netlink_unicast+0x449/0x710 [ 2873.165976][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.165976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.165976][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.165976][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.165976][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.165976][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.165976][ T72] [ 2873.167680][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2873.167680][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2873.167680][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2873.167680][ T72] ipv6_find_idev+0x102/0x170 [ 2873.167680][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.167680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.167680][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.167680][ T72] netlink_unicast+0x449/0x710 [ 2873.167680][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.167680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.167680][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.167680][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.167680][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.167680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.167680][ T72] [ 2873.169522][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2873.169800][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2873.169800][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.169800][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.169800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.169800][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2873.169800][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2873.169800][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2873.169800][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2873.169800][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2873.169800][ T72] addrconf_dad_begin+0x310/0x670 [ 2873.169800][ T72] addrconf_dad_work+0x10b/0xab0 [ 2873.169800][ T72] process_one_work+0x84d/0x18a0 [ 2873.169800][ T72] worker_thread+0x587/0xd30 [ 2873.169800][ T72] kthread+0x28a/0x350 [ 2873.169800][ T72] ret_from_fork+0x31/0x70 [ 2873.169800][ T72] ret_from_fork_asm+0x1a/0x30 [ 2873.169800][ T72] [ 2873.171927][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2873.171927][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.171927][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.171927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.171927][ T72] ip6_route_add+0x1c/0x140 [ 2873.171927][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2873.171927][ T72] inet6_addr_add+0x4f8/0xa40 [ 2873.171927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.171927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.171927][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.171927][ T72] netlink_unicast+0x449/0x710 [ 2873.171927][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.171927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.171927][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.171927][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.171927][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.171927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.171927][ T72] [ 2873.174145][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2873.174145][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.174145][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.174145][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.174145][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2873.174145][ T72] ipv6_add_addr+0x411/0x2000 [ 2873.174145][ T72] inet6_addr_add+0x30e/0xa40 [ 2873.174145][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.174145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.174145][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.174145][ T72] netlink_unicast+0x449/0x710 [ 2873.174145][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.174145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.174145][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.174145][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.174145][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.174145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.174145][ T72] [ 2873.176449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2873.176449][ T72] netdev_get_by_index+0x5e/0x80 [ 2873.176449][ T72] fib6_nh_init+0x3d8/0x1580 [ 2873.176449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2873.176449][ T72] ip6_route_add+0x1c/0x140 [ 2873.176449][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2873.176449][ T72] addrconf_add_dev+0xe2/0x170 [ 2873.176449][ T72] inet6_addr_add+0x12f/0xa40 [ 2873.176449][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.176449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.176449][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.176449][ T72] netlink_unicast+0x449/0x710 [ 2873.176449][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.176449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.176449][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.176449][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.176449][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.176449][ T72] [ 2873.178573][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2873.178573][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2873.178573][ T72] ipv6_find_idev+0x102/0x170 [ 2873.178573][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.178573][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.178573][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.178573][ T72] netlink_unicast+0x449/0x710 [ 2873.178573][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.178573][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.178573][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.178573][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.178573][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.178573][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.178573][ T72] [ 2873.180275][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2873.180275][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2873.180275][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2873.180275][ T72] ipv6_find_idev+0x102/0x170 [ 2873.180275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.180275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.180275][ T72] netlink_rcv_skb+0x130/0x360 [ 2873.180275][ T72] netlink_unicast+0x449/0x710 [ 2873.180275][ T72] netlink_sendmsg+0x723/0xbe0 [ 2873.180275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2873.180275][ T72] ___sys_sendmsg+0xee/0x170 [ 2873.180275][ T72] __sys_sendmsg+0xcd/0x170 [ 2873.180275][ T72] do_syscall_64+0xc6/0x1e0 [ 2873.180275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.180275][ T72] [ 2883.216920][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2883.217426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2883.217426][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2883.217426][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2883.217426][ T72] fib6_nh_init+0xa22/0x1580 [ 2883.217426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.217426][ T72] ip6_route_add+0x1c/0x140 [ 2883.217426][ T72] inet6_rtm_newroute+0x104/0x110 [ 2883.217426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.217426][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.217426][ T72] netlink_unicast+0x449/0x710 [ 2883.217426][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.217426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.217426][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.217426][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.217426][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.217426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.217426][ T72] [ 2883.219312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2883.219312][ T72] dst_init+0x84/0x4a0 [ 2883.219312][ T72] dst_alloc+0x97/0x150 [ 2883.219312][ T72] ip6_dst_alloc+0x23/0x90 [ 2883.219312][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2883.219312][ T72] ip6_pol_route+0x56f/0x840 [ 2883.219312][ T72] fib6_rule_lookup+0x456/0x630 [ 2883.219312][ T72] ip6_route_input+0x59c/0xa50 [ 2883.219312][ T72] ipv6_rcv+0x397/0x810 [ 2883.219312][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2883.219312][ T72] process_backlog+0x101/0x620 [ 2883.219312][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2883.219312][ T72] net_rx_action+0x495/0xbe0 [ 2883.219312][ T72] __do_softirq+0x1b5/0x7f6 [ 2883.219312][ T72] [ 2883.220920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2883.220920][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.220920][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.220920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.220920][ T72] ip6_route_add+0x1c/0x140 [ 2883.220920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2883.220920][ T72] inet6_addr_add+0x4f8/0xa40 [ 2883.220920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.220920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.220920][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.220920][ T72] netlink_unicast+0x449/0x710 [ 2883.220920][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.220920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.220920][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.220920][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.220920][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.220920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.220920][ T72] [ 2883.222937][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2883.222937][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.222937][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.222937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.222937][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2883.222937][ T72] ipv6_add_addr+0x411/0x2000 [ 2883.222937][ T72] inet6_addr_add+0x30e/0xa40 [ 2883.222937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.222937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.222937][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.222937][ T72] netlink_unicast+0x449/0x710 [ 2883.222937][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.222937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.222937][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.222937][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.222937][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.222937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.222937][ T72] [ 2883.224960][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2883.224960][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.224960][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.224960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.224960][ T72] ip6_route_add+0x1c/0x140 [ 2883.224960][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2883.224960][ T72] addrconf_add_dev+0xe2/0x170 [ 2883.224960][ T72] inet6_addr_add+0x12f/0xa40 [ 2883.224960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.224960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.224960][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.224960][ T72] netlink_unicast+0x449/0x710 [ 2883.224960][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.224960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.224960][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.224960][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.224960][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.224960][ T72] [ 2883.226904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2883.226904][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2883.226904][ T72] ipv6_find_idev+0x102/0x170 [ 2883.226904][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2883.226904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.226904][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.226904][ T72] netlink_unicast+0x449/0x710 [ 2883.226904][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.226904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.226904][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.226904][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.226904][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.226904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.226904][ T72] [ 2883.228462][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2883.228462][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2883.228462][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2883.228462][ T72] ipv6_find_idev+0x102/0x170 [ 2883.228462][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2883.228462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.228462][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.228462][ T72] netlink_unicast+0x449/0x710 [ 2883.228462][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.228462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.228462][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.228462][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.228462][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.228462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.228462][ T72] [ 2883.230280][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2883.230556][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2883.230556][ T72] dst_init+0x84/0x4a0 [ 2883.230556][ T72] dst_alloc+0x97/0x150 [ 2883.230556][ T72] ip6_dst_alloc+0x23/0x90 [ 2883.230556][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2883.230556][ T72] ip6_pol_route+0x56f/0x840 [ 2883.230556][ T72] fib6_rule_lookup+0x456/0x630 [ 2883.230556][ T72] ip6_route_input+0x59c/0xa50 [ 2883.230556][ T72] ipv6_rcv+0x397/0x810 [ 2883.230556][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2883.230556][ T72] process_backlog+0x101/0x620 [ 2883.230556][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2883.230556][ T72] net_rx_action+0x495/0xbe0 [ 2883.230556][ T72] __do_softirq+0x1b5/0x7f6 [ 2883.230556][ T72] [ 2883.232200][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2883.232200][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.232200][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.232200][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.232200][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2883.232200][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2883.232200][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2883.232200][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2883.232200][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2883.232200][ T72] addrconf_dad_begin+0x310/0x670 [ 2883.232200][ T72] addrconf_dad_work+0x10b/0xab0 [ 2883.232200][ T72] process_one_work+0x84d/0x18a0 [ 2883.232200][ T72] worker_thread+0x587/0xd30 [ 2883.232200][ T72] kthread+0x28a/0x350 [ 2883.232200][ T72] ret_from_fork+0x31/0x70 [ 2883.232200][ T72] ret_from_fork_asm+0x1a/0x30 [ 2883.232200][ T72] [ 2883.234147][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2883.234147][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.234147][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.234147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.234147][ T72] ip6_route_add+0x1c/0x140 [ 2883.234147][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2883.234147][ T72] inet6_addr_add+0x4f8/0xa40 [ 2883.234147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.234147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.234147][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.234147][ T72] netlink_unicast+0x449/0x710 [ 2883.234147][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.234147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.234147][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.234147][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.234147][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.234147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.234147][ T72] [ 2883.236227][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2883.236227][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.236227][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.236227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.236227][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2883.236227][ T72] ipv6_add_addr+0x411/0x2000 [ 2883.236227][ T72] inet6_addr_add+0x30e/0xa40 [ 2883.236227][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.236227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.236227][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.236227][ T72] netlink_unicast+0x449/0x710 [ 2883.236227][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.236227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.236227][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.236227][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.236227][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.236227][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.236227][ T72] [ 2883.238304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2883.238304][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.238304][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.238304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.238304][ T72] ip6_route_add+0x1c/0x140 [ 2883.238304][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2883.238304][ T72] addrconf_add_dev+0xe2/0x170 [ 2883.238304][ T72] inet6_addr_add+0x12f/0xa40 [ 2883.238304][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.238304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.238304][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.238304][ T72] netlink_unicast+0x449/0x710 [ 2883.238304][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.238304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.238304][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.238304][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.238304][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.238304][ T72] [ 2883.240337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2883.240337][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2883.240337][ T72] ipv6_find_idev+0x102/0x170 [ 2883.240337][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2883.240337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.240337][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.240337][ T72] netlink_unicast+0x449/0x710 [ 2883.240337][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.240337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.240337][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.240337][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.240337][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.240337][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.240337][ T72] [ 2883.241958][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2883.241958][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2883.241958][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2883.241958][ T72] ipv6_find_idev+0x102/0x170 [ 2883.241958][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2883.241958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.241958][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.241958][ T72] netlink_unicast+0x449/0x710 [ 2883.241958][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.241958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.241958][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.241958][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.241958][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.241958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.241958][ T72] [ 2883.243799][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2883.244078][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2883.244078][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2883.244078][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2883.244078][ T72] fib6_nh_init+0xa22/0x1580 [ 2883.244078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.244078][ T72] ip6_route_add+0x1c/0x140 [ 2883.244078][ T72] inet6_rtm_newroute+0x104/0x110 [ 2883.244078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.244078][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.244078][ T72] netlink_unicast+0x449/0x710 [ 2883.244078][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.244078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.244078][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.244078][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.244078][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.244078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.244078][ T72] [ 2883.246361][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2883.246361][ T72] dst_init+0x84/0x4a0 [ 2883.246361][ T72] dst_alloc+0x97/0x150 [ 2883.246361][ T72] ip6_dst_alloc+0x23/0x90 [ 2883.246361][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2883.246361][ T72] ip6_pol_route+0x56f/0x840 [ 2883.246361][ T72] fib6_rule_lookup+0x456/0x630 [ 2883.246361][ T72] ip6_route_input+0x59c/0xa50 [ 2883.246361][ T72] ipv6_rcv+0x397/0x810 [ 2883.246361][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2883.246361][ T72] process_backlog+0x101/0x620 [ 2883.246361][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2883.246361][ T72] net_rx_action+0x495/0xbe0 [ 2883.246361][ T72] __do_softirq+0x1b5/0x7f6 [ 2883.246361][ T72] [ 2883.248258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2883.248258][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.248258][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.248258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.248258][ T72] ip6_route_add+0x1c/0x140 [ 2883.248258][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2883.248258][ T72] inet6_addr_add+0x4f8/0xa40 [ 2883.248258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.248258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.248258][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.248258][ T72] netlink_unicast+0x449/0x710 [ 2883.248258][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.248258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.248258][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.248258][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.248258][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.248258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.248258][ T72] [ 2883.250594][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2883.250594][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.250594][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.250594][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.250594][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2883.250594][ T72] ipv6_add_addr+0x411/0x2000 [ 2883.250594][ T72] inet6_addr_add+0x30e/0xa40 [ 2883.250594][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.250594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.250594][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.250594][ T72] netlink_unicast+0x449/0x710 [ 2883.250594][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.250594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.250594][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.250594][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.250594][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.250594][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.250594][ T72] [ 2883.252872][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2883.252872][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.252872][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.252872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.252872][ T72] ip6_route_add+0x1c/0x140 [ 2883.252872][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2883.252872][ T72] addrconf_add_dev+0xe2/0x170 [ 2883.252872][ T72] inet6_addr_add+0x12f/0xa40 [ 2883.252872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.252872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.252872][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.252872][ T72] netlink_unicast+0x449/0x710 [ 2883.252872][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.252872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.252872][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.252872][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.252872][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.252872][ T72] [ 2883.255180][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2883.255180][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2883.255180][ T72] ipv6_find_idev+0x102/0x170 [ 2883.255180][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2883.255180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.255180][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.255180][ T72] netlink_unicast+0x449/0x710 [ 2883.255180][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.255180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.255180][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.255180][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.255180][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.255180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.255180][ T72] [ 2883.257034][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2883.257034][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2883.257034][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2883.257034][ T72] ipv6_find_idev+0x102/0x170 [ 2883.257034][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2883.257034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.257034][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.257034][ T72] netlink_unicast+0x449/0x710 [ 2883.257034][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.257034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.257034][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.257034][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.257034][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.257034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.257034][ T72] [ 2883.259045][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2883.259327][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2883.259327][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.259327][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.259327][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.259327][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2883.259327][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2883.259327][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2883.259327][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2883.259327][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2883.259327][ T72] addrconf_dad_begin+0x310/0x670 [ 2883.259327][ T72] addrconf_dad_work+0x10b/0xab0 [ 2883.259327][ T72] process_one_work+0x84d/0x18a0 [ 2883.259327][ T72] worker_thread+0x587/0xd30 [ 2883.259327][ T72] kthread+0x28a/0x350 [ 2883.259327][ T72] ret_from_fork+0x31/0x70 [ 2883.259327][ T72] ret_from_fork_asm+0x1a/0x30 [ 2883.259327][ T72] [ 2883.261567][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2883.261567][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.261567][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.261567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.261567][ T72] ip6_route_add+0x1c/0x140 [ 2883.261567][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2883.261567][ T72] inet6_addr_add+0x4f8/0xa40 [ 2883.261567][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.261567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.261567][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.261567][ T72] netlink_unicast+0x449/0x710 [ 2883.261567][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.261567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.261567][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.261567][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.261567][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.261567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.261567][ T72] [ 2883.263850][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2883.263850][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.263850][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.263850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.263850][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2883.263850][ T72] ipv6_add_addr+0x411/0x2000 [ 2883.263850][ T72] inet6_addr_add+0x30e/0xa40 [ 2883.263850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.263850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.263850][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.263850][ T72] netlink_unicast+0x449/0x710 [ 2883.263850][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.263850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.263850][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.263850][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.263850][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.263850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.263850][ T72] [ 2883.266246][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2883.266246][ T72] netdev_get_by_index+0x5e/0x80 [ 2883.266246][ T72] fib6_nh_init+0x3d8/0x1580 [ 2883.266246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2883.266246][ T72] ip6_route_add+0x1c/0x140 [ 2883.266246][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2883.266246][ T72] addrconf_add_dev+0xe2/0x170 [ 2883.266246][ T72] inet6_addr_add+0x12f/0xa40 [ 2883.266246][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2883.266246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.266246][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.266246][ T72] netlink_unicast+0x449/0x710 [ 2883.266246][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.266246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.266246][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.266246][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.266246][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.266246][ T72] [ 2883.268577][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2883.268577][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2883.268577][ T72] ipv6_find_idev+0x102/0x170 [ 2883.268577][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2883.268577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.268577][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.268577][ T72] netlink_unicast+0x449/0x710 [ 2883.268577][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.268577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.268577][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.268577][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.268577][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.268577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.268577][ T72] [ 2883.270440][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2883.270440][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2883.270440][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2883.270440][ T72] ipv6_find_idev+0x102/0x170 [ 2883.270440][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2883.270440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2883.270440][ T72] netlink_rcv_skb+0x130/0x360 [ 2883.270440][ T72] netlink_unicast+0x449/0x710 [ 2883.270440][ T72] netlink_sendmsg+0x723/0xbe0 [ 2883.270440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2883.270440][ T72] ___sys_sendmsg+0xee/0x170 [ 2883.270440][ T72] __sys_sendmsg+0xcd/0x170 [ 2883.270440][ T72] do_syscall_64+0xc6/0x1e0 [ 2883.270440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2883.270440][ T72] [ 2893.512996][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2893.513586][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2893.513586][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2893.513586][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2893.513586][ T72] fib6_nh_init+0xa22/0x1580 [ 2893.513586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.513586][ T72] ip6_route_add+0x1c/0x140 [ 2893.513586][ T72] inet6_rtm_newroute+0x104/0x110 [ 2893.513586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.513586][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.513586][ T72] netlink_unicast+0x449/0x710 [ 2893.513586][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.513586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.513586][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.513586][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.513586][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.513586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.513586][ T72] [ 2893.515670][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2893.515670][ T72] dst_init+0x84/0x4a0 [ 2893.515670][ T72] dst_alloc+0x97/0x150 [ 2893.515670][ T72] ip6_dst_alloc+0x23/0x90 [ 2893.515670][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2893.515670][ T72] ip6_pol_route+0x56f/0x840 [ 2893.515670][ T72] fib6_rule_lookup+0x456/0x630 [ 2893.515670][ T72] ip6_route_input+0x59c/0xa50 [ 2893.515670][ T72] ipv6_rcv+0x397/0x810 [ 2893.515670][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2893.515670][ T72] process_backlog+0x101/0x620 [ 2893.515670][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2893.515670][ T72] net_rx_action+0x495/0xbe0 [ 2893.515670][ T72] __do_softirq+0x1b5/0x7f6 [ 2893.515670][ T72] [ 2893.517370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2893.517370][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.517370][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.517370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.517370][ T72] ip6_route_add+0x1c/0x140 [ 2893.517370][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2893.517370][ T72] inet6_addr_add+0x4f8/0xa40 [ 2893.517370][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.517370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.517370][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.517370][ T72] netlink_unicast+0x449/0x710 [ 2893.517370][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.517370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.517370][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.517370][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.517370][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.517370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.517370][ T72] [ 2893.519422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2893.519422][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.519422][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.519422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.519422][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2893.519422][ T72] ipv6_add_addr+0x411/0x2000 [ 2893.519422][ T72] inet6_addr_add+0x30e/0xa40 [ 2893.519422][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.519422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.519422][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.519422][ T72] netlink_unicast+0x449/0x710 [ 2893.519422][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.519422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.519422][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.519422][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.519422][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.519422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.519422][ T72] [ 2893.521524][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2893.521524][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.521524][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.521524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.521524][ T72] ip6_route_add+0x1c/0x140 [ 2893.521524][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2893.521524][ T72] addrconf_add_dev+0xe2/0x170 [ 2893.521524][ T72] inet6_addr_add+0x12f/0xa40 [ 2893.521524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.521524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.521524][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.521524][ T72] netlink_unicast+0x449/0x710 [ 2893.521524][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.521524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.521524][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.521524][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.521524][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.521524][ T72] [ 2893.523543][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2893.523543][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2893.523543][ T72] ipv6_find_idev+0x102/0x170 [ 2893.523543][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.523543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.523543][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.523543][ T72] netlink_unicast+0x449/0x710 [ 2893.523543][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.523543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.523543][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.523543][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.523543][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.523543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.523543][ T72] [ 2893.525167][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2893.525167][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2893.525167][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2893.525167][ T72] ipv6_find_idev+0x102/0x170 [ 2893.525167][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.525167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.525167][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.525167][ T72] netlink_unicast+0x449/0x710 [ 2893.525167][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.525167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.525167][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.525167][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.525167][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.525167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.525167][ T72] [ 2893.527006][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2893.527292][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2893.527292][ T72] dst_init+0x84/0x4a0 [ 2893.527292][ T72] dst_alloc+0x97/0x150 [ 2893.527292][ T72] ip6_dst_alloc+0x23/0x90 [ 2893.527292][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2893.527292][ T72] ip6_pol_route+0x56f/0x840 [ 2893.527292][ T72] fib6_rule_lookup+0x456/0x630 [ 2893.527292][ T72] ip6_route_input+0x59c/0xa50 [ 2893.527292][ T72] ipv6_rcv+0x397/0x810 [ 2893.527292][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2893.527292][ T72] process_backlog+0x101/0x620 [ 2893.527292][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2893.527292][ T72] net_rx_action+0x495/0xbe0 [ 2893.527292][ T72] __do_softirq+0x1b5/0x7f6 [ 2893.527292][ T72] [ 2893.529040][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2893.529040][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.529040][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.529040][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.529040][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2893.529040][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2893.529040][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2893.529040][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2893.529040][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2893.529040][ T72] addrconf_dad_begin+0x310/0x670 [ 2893.529040][ T72] addrconf_dad_work+0x10b/0xab0 [ 2893.529040][ T72] process_one_work+0x84d/0x18a0 [ 2893.529040][ T72] worker_thread+0x587/0xd30 [ 2893.529040][ T72] kthread+0x28a/0x350 [ 2893.529040][ T72] ret_from_fork+0x31/0x70 [ 2893.529040][ T72] ret_from_fork_asm+0x1a/0x30 [ 2893.529040][ T72] [ 2893.531028][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2893.531028][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.531028][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.531028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.531028][ T72] ip6_route_add+0x1c/0x140 [ 2893.531028][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2893.531028][ T72] inet6_addr_add+0x4f8/0xa40 [ 2893.531028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.531028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.531028][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.531028][ T72] netlink_unicast+0x449/0x710 [ 2893.531028][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.531028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.531028][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.531028][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.531028][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.531028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.531028][ T72] [ 2893.533160][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2893.533160][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.533160][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.533160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.533160][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2893.533160][ T72] ipv6_add_addr+0x411/0x2000 [ 2893.533160][ T72] inet6_addr_add+0x30e/0xa40 [ 2893.533160][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.533160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.533160][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.533160][ T72] netlink_unicast+0x449/0x710 [ 2893.533160][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.533160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.533160][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.533160][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.533160][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.533160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.533160][ T72] [ 2893.535272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2893.535272][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.535272][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.535272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.535272][ T72] ip6_route_add+0x1c/0x140 [ 2893.535272][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2893.535272][ T72] addrconf_add_dev+0xe2/0x170 [ 2893.535272][ T72] inet6_addr_add+0x12f/0xa40 [ 2893.535272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.535272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.535272][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.535272][ T72] netlink_unicast+0x449/0x710 [ 2893.535272][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.535272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.535272][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.535272][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.535272][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.535272][ T72] [ 2893.537369][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2893.537369][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2893.537369][ T72] ipv6_find_idev+0x102/0x170 [ 2893.537369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.537369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.537369][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.537369][ T72] netlink_unicast+0x449/0x710 [ 2893.537369][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.537369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.537369][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.537369][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.537369][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.537369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.537369][ T72] [ 2893.538988][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2893.538988][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2893.538988][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2893.538988][ T72] ipv6_find_idev+0x102/0x170 [ 2893.538988][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.538988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.538988][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.538988][ T72] netlink_unicast+0x449/0x710 [ 2893.538988][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.538988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.538988][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.538988][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.538988][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.538988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.538988][ T72] [ 2893.540889][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2893.541168][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2893.541168][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2893.541168][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2893.541168][ T72] fib6_nh_init+0xa22/0x1580 [ 2893.541168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.541168][ T72] ip6_route_add+0x1c/0x140 [ 2893.541168][ T72] inet6_rtm_newroute+0x104/0x110 [ 2893.541168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.541168][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.541168][ T72] netlink_unicast+0x449/0x710 [ 2893.541168][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.541168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.541168][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.541168][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.541168][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.541168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.541168][ T72] [ 2893.543458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2893.543458][ T72] dst_init+0x84/0x4a0 [ 2893.543458][ T72] dst_alloc+0x97/0x150 [ 2893.543458][ T72] ip6_dst_alloc+0x23/0x90 [ 2893.543458][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2893.543458][ T72] ip6_pol_route+0x56f/0x840 [ 2893.543458][ T72] fib6_rule_lookup+0x456/0x630 [ 2893.543458][ T72] ip6_route_input+0x59c/0xa50 [ 2893.543458][ T72] ipv6_rcv+0x397/0x810 [ 2893.543458][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2893.543458][ T72] process_backlog+0x101/0x620 [ 2893.543458][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2893.543458][ T72] net_rx_action+0x495/0xbe0 [ 2893.543458][ T72] __do_softirq+0x1b5/0x7f6 [ 2893.543458][ T72] [ 2893.545358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2893.545358][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.545358][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.545358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.545358][ T72] ip6_route_add+0x1c/0x140 [ 2893.545358][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2893.545358][ T72] inet6_addr_add+0x4f8/0xa40 [ 2893.545358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.545358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.545358][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.545358][ T72] netlink_unicast+0x449/0x710 [ 2893.545358][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.545358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.545358][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.545358][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.545358][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.545358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.545358][ T72] [ 2893.547715][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2893.547715][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.547715][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.547715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.547715][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2893.547715][ T72] ipv6_add_addr+0x411/0x2000 [ 2893.547715][ T72] inet6_addr_add+0x30e/0xa40 [ 2893.547715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.547715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.547715][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.547715][ T72] netlink_unicast+0x449/0x710 [ 2893.547715][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.547715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.547715][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.547715][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.547715][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.547715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.547715][ T72] [ 2893.550552][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2893.550552][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.550552][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.550552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.550552][ T72] ip6_route_add+0x1c/0x140 [ 2893.550552][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2893.550552][ T72] addrconf_add_dev+0xe2/0x170 [ 2893.550552][ T72] inet6_addr_add+0x12f/0xa40 [ 2893.550552][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.550552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.550552][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.550552][ T72] netlink_unicast+0x449/0x710 [ 2893.550552][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.550552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.550552][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.550552][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.550552][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.550552][ T72] [ 2893.552906][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2893.552906][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2893.552906][ T72] ipv6_find_idev+0x102/0x170 [ 2893.552906][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.552906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.552906][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.552906][ T72] netlink_unicast+0x449/0x710 [ 2893.552906][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.552906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.552906][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.552906][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.552906][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.552906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.552906][ T72] [ 2893.554728][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2893.554728][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2893.554728][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2893.554728][ T72] ipv6_find_idev+0x102/0x170 [ 2893.554728][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.554728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.554728][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.554728][ T72] netlink_unicast+0x449/0x710 [ 2893.554728][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.554728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.554728][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.554728][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.554728][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.554728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.554728][ T72] [ 2893.556755][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2893.557487][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2893.557487][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.557487][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.557487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.557487][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2893.557487][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2893.557487][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2893.557487][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2893.557487][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2893.557487][ T72] addrconf_dad_begin+0x310/0x670 [ 2893.557487][ T72] addrconf_dad_work+0x10b/0xab0 [ 2893.557487][ T72] process_one_work+0x84d/0x18a0 [ 2893.557487][ T72] worker_thread+0x587/0xd30 [ 2893.557487][ T72] kthread+0x28a/0x350 [ 2893.557487][ T72] ret_from_fork+0x31/0x70 [ 2893.557487][ T72] ret_from_fork_asm+0x1a/0x30 [ 2893.557487][ T72] [ 2893.559499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2893.559499][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.559499][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.559499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.559499][ T72] ip6_route_add+0x1c/0x140 [ 2893.559499][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2893.559499][ T72] inet6_addr_add+0x4f8/0xa40 [ 2893.559499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.559499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.559499][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.559499][ T72] netlink_unicast+0x449/0x710 [ 2893.559499][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.559499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.559499][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.559499][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.559499][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.559499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.559499][ T72] [ 2893.561598][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2893.561598][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.561598][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.561598][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.561598][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2893.561598][ T72] ipv6_add_addr+0x411/0x2000 [ 2893.561598][ T72] inet6_addr_add+0x30e/0xa40 [ 2893.561598][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.561598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.561598][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.561598][ T72] netlink_unicast+0x449/0x710 [ 2893.561598][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.561598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.561598][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.561598][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.561598][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.561598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.561598][ T72] [ 2893.563937][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2893.563937][ T72] netdev_get_by_index+0x5e/0x80 [ 2893.563937][ T72] fib6_nh_init+0x3d8/0x1580 [ 2893.563937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2893.563937][ T72] ip6_route_add+0x1c/0x140 [ 2893.563937][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2893.563937][ T72] addrconf_add_dev+0xe2/0x170 [ 2893.563937][ T72] inet6_addr_add+0x12f/0xa40 [ 2893.563937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.563937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.563937][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.563937][ T72] netlink_unicast+0x449/0x710 [ 2893.563937][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.563937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.563937][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.563937][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.563937][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.563937][ T72] [ 2893.566707][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2893.566707][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2893.566707][ T72] ipv6_find_idev+0x102/0x170 [ 2893.566707][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.566707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.566707][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.566707][ T72] netlink_unicast+0x449/0x710 [ 2893.566707][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.566707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.566707][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.566707][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.566707][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.566707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.566707][ T72] [ 2893.568506][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2893.568506][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2893.568506][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2893.568506][ T72] ipv6_find_idev+0x102/0x170 [ 2893.568506][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.568506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.568506][ T72] netlink_rcv_skb+0x130/0x360 [ 2893.568506][ T72] netlink_unicast+0x449/0x710 [ 2893.568506][ T72] netlink_sendmsg+0x723/0xbe0 [ 2893.568506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2893.568506][ T72] ___sys_sendmsg+0xee/0x170 [ 2893.568506][ T72] __sys_sendmsg+0xcd/0x170 [ 2893.568506][ T72] do_syscall_64+0xc6/0x1e0 [ 2893.568506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.568506][ T72] [ 2903.808973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2903.809608][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2903.809608][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2903.809608][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2903.809608][ T72] fib6_nh_init+0xa22/0x1580 [ 2903.809608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.809608][ T72] ip6_route_add+0x1c/0x140 [ 2903.809608][ T72] inet6_rtm_newroute+0x104/0x110 [ 2903.809608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.809608][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.809608][ T72] netlink_unicast+0x449/0x710 [ 2903.809608][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.809608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.809608][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.809608][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.809608][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.809608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.809608][ T72] [ 2903.811532][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2903.811532][ T72] dst_init+0x84/0x4a0 [ 2903.811532][ T72] dst_alloc+0x97/0x150 [ 2903.811532][ T72] ip6_dst_alloc+0x23/0x90 [ 2903.811532][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2903.811532][ T72] ip6_pol_route+0x56f/0x840 [ 2903.811532][ T72] fib6_rule_lookup+0x456/0x630 [ 2903.811532][ T72] ip6_route_input+0x59c/0xa50 [ 2903.811532][ T72] ipv6_rcv+0x397/0x810 [ 2903.811532][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2903.811532][ T72] process_backlog+0x101/0x620 [ 2903.811532][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2903.811532][ T72] net_rx_action+0x495/0xbe0 [ 2903.811532][ T72] __do_softirq+0x1b5/0x7f6 [ 2903.811532][ T72] [ 2903.813252][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2903.813252][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.813252][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.813252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.813252][ T72] ip6_route_add+0x1c/0x140 [ 2903.813252][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2903.813252][ T72] inet6_addr_add+0x4f8/0xa40 [ 2903.813252][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.813252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.813252][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.813252][ T72] netlink_unicast+0x449/0x710 [ 2903.813252][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.813252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.813252][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.813252][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.813252][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.813252][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.813252][ T72] [ 2903.815279][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2903.815279][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.815279][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.815279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.815279][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2903.815279][ T72] ipv6_add_addr+0x411/0x2000 [ 2903.815279][ T72] inet6_addr_add+0x30e/0xa40 [ 2903.815279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.815279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.815279][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.815279][ T72] netlink_unicast+0x449/0x710 [ 2903.815279][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.815279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.815279][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.815279][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.815279][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.815279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.815279][ T72] [ 2903.817363][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2903.817363][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.817363][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.817363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.817363][ T72] ip6_route_add+0x1c/0x140 [ 2903.817363][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2903.817363][ T72] addrconf_add_dev+0xe2/0x170 [ 2903.817363][ T72] inet6_addr_add+0x12f/0xa40 [ 2903.817363][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.817363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.817363][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.817363][ T72] netlink_unicast+0x449/0x710 [ 2903.817363][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.817363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.817363][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.817363][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.817363][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.817363][ T72] [ 2903.819377][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2903.819377][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2903.819377][ T72] ipv6_find_idev+0x102/0x170 [ 2903.819377][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2903.819377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.819377][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.819377][ T72] netlink_unicast+0x449/0x710 [ 2903.819377][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.819377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.819377][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.819377][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.819377][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.819377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.819377][ T72] [ 2903.820967][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2903.820967][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2903.820967][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2903.820967][ T72] ipv6_find_idev+0x102/0x170 [ 2903.820967][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2903.820967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.820967][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.820967][ T72] netlink_unicast+0x449/0x710 [ 2903.820967][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.820967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.820967][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.820967][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.820967][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.820967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.820967][ T72] [ 2903.822698][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2903.823018][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2903.823018][ T72] dst_init+0x84/0x4a0 [ 2903.823018][ T72] dst_alloc+0x97/0x150 [ 2903.823018][ T72] ip6_dst_alloc+0x23/0x90 [ 2903.823018][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2903.823018][ T72] ip6_pol_route+0x56f/0x840 [ 2903.823018][ T72] fib6_rule_lookup+0x456/0x630 [ 2903.823018][ T72] ip6_route_input+0x59c/0xa50 [ 2903.823018][ T72] ipv6_rcv+0x397/0x810 [ 2903.823018][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2903.823018][ T72] process_backlog+0x101/0x620 [ 2903.823018][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2903.823018][ T72] net_rx_action+0x495/0xbe0 [ 2903.823018][ T72] __do_softirq+0x1b5/0x7f6 [ 2903.823018][ T72] [ 2903.824754][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2903.824754][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.824754][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.824754][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.824754][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2903.824754][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2903.824754][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2903.824754][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2903.824754][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2903.824754][ T72] addrconf_dad_begin+0x310/0x670 [ 2903.824754][ T72] addrconf_dad_work+0x10b/0xab0 [ 2903.824754][ T72] process_one_work+0x84d/0x18a0 [ 2903.824754][ T72] worker_thread+0x587/0xd30 [ 2903.824754][ T72] kthread+0x28a/0x350 [ 2903.824754][ T72] ret_from_fork+0x31/0x70 [ 2903.824754][ T72] ret_from_fork_asm+0x1a/0x30 [ 2903.824754][ T72] [ 2903.826713][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2903.826713][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.826713][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.826713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.826713][ T72] ip6_route_add+0x1c/0x140 [ 2903.826713][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2903.826713][ T72] inet6_addr_add+0x4f8/0xa40 [ 2903.826713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.826713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.826713][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.826713][ T72] netlink_unicast+0x449/0x710 [ 2903.826713][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.826713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.826713][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.826713][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.826713][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.826713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.826713][ T72] [ 2903.828751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2903.828751][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.828751][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.828751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.828751][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2903.828751][ T72] ipv6_add_addr+0x411/0x2000 [ 2903.828751][ T72] inet6_addr_add+0x30e/0xa40 [ 2903.828751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.828751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.828751][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.828751][ T72] netlink_unicast+0x449/0x710 [ 2903.828751][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.828751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.828751][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.828751][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.828751][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.828751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.828751][ T72] [ 2903.830800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2903.830800][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.830800][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.830800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.830800][ T72] ip6_route_add+0x1c/0x140 [ 2903.830800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2903.830800][ T72] addrconf_add_dev+0xe2/0x170 [ 2903.830800][ T72] inet6_addr_add+0x12f/0xa40 [ 2903.830800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.830800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.830800][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.830800][ T72] netlink_unicast+0x449/0x710 [ 2903.830800][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.830800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.830800][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.830800][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.830800][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.830800][ T72] [ 2903.832795][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2903.832795][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2903.832795][ T72] ipv6_find_idev+0x102/0x170 [ 2903.832795][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2903.832795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.832795][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.832795][ T72] netlink_unicast+0x449/0x710 [ 2903.832795][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.832795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.832795][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.832795][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.832795][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.832795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.832795][ T72] [ 2903.834411][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2903.834411][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2903.834411][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2903.834411][ T72] ipv6_find_idev+0x102/0x170 [ 2903.834411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2903.834411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.834411][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.834411][ T72] netlink_unicast+0x449/0x710 [ 2903.834411][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.834411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.834411][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.834411][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.834411][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.834411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.834411][ T72] [ 2903.836871][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2903.837159][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2903.837159][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2903.837159][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2903.837159][ T72] fib6_nh_init+0xa22/0x1580 [ 2903.837159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.837159][ T72] ip6_route_add+0x1c/0x140 [ 2903.837159][ T72] inet6_rtm_newroute+0x104/0x110 [ 2903.837159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.837159][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.837159][ T72] netlink_unicast+0x449/0x710 [ 2903.837159][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.837159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.837159][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.837159][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.837159][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.837159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.837159][ T72] [ 2903.839354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2903.839354][ T72] dst_init+0x84/0x4a0 [ 2903.839354][ T72] dst_alloc+0x97/0x150 [ 2903.839354][ T72] ip6_dst_alloc+0x23/0x90 [ 2903.839354][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2903.839354][ T72] ip6_pol_route+0x56f/0x840 [ 2903.839354][ T72] fib6_rule_lookup+0x456/0x630 [ 2903.839354][ T72] ip6_route_input+0x59c/0xa50 [ 2903.839354][ T72] ipv6_rcv+0x397/0x810 [ 2903.839354][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2903.839354][ T72] process_backlog+0x101/0x620 [ 2903.839354][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2903.839354][ T72] net_rx_action+0x495/0xbe0 [ 2903.839354][ T72] __do_softirq+0x1b5/0x7f6 [ 2903.839354][ T72] [ 2903.841302][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2903.841302][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.841302][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.841302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.841302][ T72] ip6_route_add+0x1c/0x140 [ 2903.841302][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2903.841302][ T72] inet6_addr_add+0x4f8/0xa40 [ 2903.841302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.841302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.841302][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.841302][ T72] netlink_unicast+0x449/0x710 [ 2903.841302][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.841302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.841302][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.841302][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.841302][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.841302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.841302][ T72] [ 2903.843556][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2903.843556][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.843556][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.843556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.843556][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2903.843556][ T72] ipv6_add_addr+0x411/0x2000 [ 2903.843556][ T72] inet6_addr_add+0x30e/0xa40 [ 2903.843556][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.843556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.843556][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.843556][ T72] netlink_unicast+0x449/0x710 [ 2903.843556][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.843556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.843556][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.843556][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.843556][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.843556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.843556][ T72] [ 2903.845834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2903.845834][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.845834][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.845834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.845834][ T72] ip6_route_add+0x1c/0x140 [ 2903.845834][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2903.845834][ T72] addrconf_add_dev+0xe2/0x170 [ 2903.845834][ T72] inet6_addr_add+0x12f/0xa40 [ 2903.845834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.845834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.845834][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.845834][ T72] netlink_unicast+0x449/0x710 [ 2903.845834][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.845834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.845834][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.845834][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.845834][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.845834][ T72] [ 2903.848202][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2903.848202][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2903.848202][ T72] ipv6_find_idev+0x102/0x170 [ 2903.848202][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2903.848202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.848202][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.848202][ T72] netlink_unicast+0x449/0x710 [ 2903.848202][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.848202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.848202][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.848202][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.848202][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.848202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.848202][ T72] [ 2903.850389][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2903.850389][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2903.850389][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2903.850389][ T72] ipv6_find_idev+0x102/0x170 [ 2903.850389][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2903.850389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.850389][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.850389][ T72] netlink_unicast+0x449/0x710 [ 2903.850389][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.850389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.850389][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.850389][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.850389][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.850389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.850389][ T72] [ 2903.852728][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2903.853435][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2903.853435][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.853435][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.853435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.853435][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2903.853435][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2903.853435][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2903.853435][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2903.853435][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2903.853435][ T72] addrconf_dad_begin+0x310/0x670 [ 2903.853435][ T72] addrconf_dad_work+0x10b/0xab0 [ 2903.853435][ T72] process_one_work+0x84d/0x18a0 [ 2903.853435][ T72] worker_thread+0x587/0xd30 [ 2903.853435][ T72] kthread+0x28a/0x350 [ 2903.853435][ T72] ret_from_fork+0x31/0x70 [ 2903.853435][ T72] ret_from_fork_asm+0x1a/0x30 [ 2903.853435][ T72] [ 2903.855448][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2903.855448][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.855448][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.855448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.855448][ T72] ip6_route_add+0x1c/0x140 [ 2903.855448][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2903.855448][ T72] inet6_addr_add+0x4f8/0xa40 [ 2903.855448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.855448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.855448][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.855448][ T72] netlink_unicast+0x449/0x710 [ 2903.855448][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.855448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.855448][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.855448][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.855448][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.855448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.855448][ T72] [ 2903.857532][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2903.857532][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.857532][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.857532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.857532][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2903.857532][ T72] ipv6_add_addr+0x411/0x2000 [ 2903.857532][ T72] inet6_addr_add+0x30e/0xa40 [ 2903.857532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.857532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.857532][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.857532][ T72] netlink_unicast+0x449/0x710 [ 2903.857532][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.857532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.857532][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.857532][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.857532][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.857532][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.857532][ T72] [ 2903.859597][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2903.859597][ T72] netdev_get_by_index+0x5e/0x80 [ 2903.859597][ T72] fib6_nh_init+0x3d8/0x1580 [ 2903.859597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2903.859597][ T72] ip6_route_add+0x1c/0x140 [ 2903.859597][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2903.859597][ T72] addrconf_add_dev+0xe2/0x170 [ 2903.859597][ T72] inet6_addr_add+0x12f/0xa40 [ 2903.859597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2903.859597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.859597][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.859597][ T72] netlink_unicast+0x449/0x710 [ 2903.859597][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.859597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.859597][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.859597][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.859597][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.859597][ T72] [ 2903.861915][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2903.861915][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2903.861915][ T72] ipv6_find_idev+0x102/0x170 [ 2903.861915][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2903.861915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.861915][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.861915][ T72] netlink_unicast+0x449/0x710 [ 2903.861915][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.861915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.861915][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.861915][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.861915][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.861915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.861915][ T72] [ 2903.863737][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2903.863737][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2903.863737][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2903.863737][ T72] ipv6_find_idev+0x102/0x170 [ 2903.863737][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2903.863737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2903.863737][ T72] netlink_rcv_skb+0x130/0x360 [ 2903.863737][ T72] netlink_unicast+0x449/0x710 [ 2903.863737][ T72] netlink_sendmsg+0x723/0xbe0 [ 2903.863737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2903.863737][ T72] ___sys_sendmsg+0xee/0x170 [ 2903.863737][ T72] __sys_sendmsg+0xcd/0x170 [ 2903.863737][ T72] do_syscall_64+0xc6/0x1e0 [ 2903.863737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2903.863737][ T72] [ 2914.032985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2914.033536][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2914.033536][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2914.033536][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2914.033536][ T72] fib6_nh_init+0xa22/0x1580 [ 2914.033536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.033536][ T72] ip6_route_add+0x1c/0x140 [ 2914.033536][ T72] inet6_rtm_newroute+0x104/0x110 [ 2914.033536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.033536][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.033536][ T72] netlink_unicast+0x449/0x710 [ 2914.033536][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.033536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.033536][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.033536][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.033536][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.033536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.033536][ T72] [ 2914.035450][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2914.035450][ T72] dst_init+0x84/0x4a0 [ 2914.035450][ T72] dst_alloc+0x97/0x150 [ 2914.035450][ T72] ip6_dst_alloc+0x23/0x90 [ 2914.035450][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2914.035450][ T72] ip6_pol_route+0x56f/0x840 [ 2914.035450][ T72] fib6_rule_lookup+0x456/0x630 [ 2914.035450][ T72] ip6_route_input+0x59c/0xa50 [ 2914.035450][ T72] ipv6_rcv+0x397/0x810 [ 2914.035450][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2914.035450][ T72] process_backlog+0x101/0x620 [ 2914.035450][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2914.035450][ T72] net_rx_action+0x495/0xbe0 [ 2914.035450][ T72] __do_softirq+0x1b5/0x7f6 [ 2914.035450][ T72] [ 2914.037093][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2914.037093][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.037093][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.037093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.037093][ T72] ip6_route_add+0x1c/0x140 [ 2914.037093][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2914.037093][ T72] inet6_addr_add+0x4f8/0xa40 [ 2914.037093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.037093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.037093][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.037093][ T72] netlink_unicast+0x449/0x710 [ 2914.037093][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.037093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.037093][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.037093][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.037093][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.037093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.037093][ T72] [ 2914.039050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2914.039050][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.039050][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.039050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.039050][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2914.039050][ T72] ipv6_add_addr+0x411/0x2000 [ 2914.039050][ T72] inet6_addr_add+0x30e/0xa40 [ 2914.039050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.039050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.039050][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.039050][ T72] netlink_unicast+0x449/0x710 [ 2914.039050][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.039050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.039050][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.039050][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.039050][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.039050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.039050][ T72] [ 2914.041017][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2914.041017][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.041017][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.041017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.041017][ T72] ip6_route_add+0x1c/0x140 [ 2914.041017][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2914.041017][ T72] addrconf_add_dev+0xe2/0x170 [ 2914.041017][ T72] inet6_addr_add+0x12f/0xa40 [ 2914.041017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.041017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.041017][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.041017][ T72] netlink_unicast+0x449/0x710 [ 2914.041017][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.041017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.041017][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.041017][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.041017][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.041017][ T72] [ 2914.042985][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2914.042985][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2914.042985][ T72] ipv6_find_idev+0x102/0x170 [ 2914.042985][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.042985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.042985][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.042985][ T72] netlink_unicast+0x449/0x710 [ 2914.042985][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.042985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.042985][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.042985][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.042985][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.042985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.042985][ T72] [ 2914.044499][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2914.044499][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2914.044499][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2914.044499][ T72] ipv6_find_idev+0x102/0x170 [ 2914.044499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.044499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.044499][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.044499][ T72] netlink_unicast+0x449/0x710 [ 2914.044499][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.044499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.044499][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.044499][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.044499][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.044499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.044499][ T72] [ 2914.046208][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2914.046481][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2914.046481][ T72] dst_init+0x84/0x4a0 [ 2914.046481][ T72] dst_alloc+0x97/0x150 [ 2914.046481][ T72] ip6_dst_alloc+0x23/0x90 [ 2914.046481][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2914.046481][ T72] ip6_pol_route+0x56f/0x840 [ 2914.046481][ T72] fib6_rule_lookup+0x456/0x630 [ 2914.046481][ T72] ip6_route_input+0x59c/0xa50 [ 2914.046481][ T72] ipv6_rcv+0x397/0x810 [ 2914.046481][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2914.046481][ T72] process_backlog+0x101/0x620 [ 2914.046481][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2914.046481][ T72] net_rx_action+0x495/0xbe0 [ 2914.046481][ T72] __do_softirq+0x1b5/0x7f6 [ 2914.046481][ T72] [ 2914.048110][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2914.048110][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.048110][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.048110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.048110][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2914.048110][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2914.048110][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2914.048110][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2914.048110][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2914.048110][ T72] addrconf_dad_begin+0x310/0x670 [ 2914.048110][ T72] addrconf_dad_work+0x10b/0xab0 [ 2914.048110][ T72] process_one_work+0x84d/0x18a0 [ 2914.048110][ T72] worker_thread+0x587/0xd30 [ 2914.048110][ T72] kthread+0x28a/0x350 [ 2914.048110][ T72] ret_from_fork+0x31/0x70 [ 2914.048110][ T72] ret_from_fork_asm+0x1a/0x30 [ 2914.048110][ T72] [ 2914.049955][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2914.049955][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.049955][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.049955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.049955][ T72] ip6_route_add+0x1c/0x140 [ 2914.049955][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2914.049955][ T72] inet6_addr_add+0x4f8/0xa40 [ 2914.049955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.049955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.049955][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.049955][ T72] netlink_unicast+0x449/0x710 [ 2914.049955][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.049955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.049955][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.049955][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.049955][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.049955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.049955][ T72] [ 2914.051884][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2914.051884][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.051884][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.051884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.051884][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2914.051884][ T72] ipv6_add_addr+0x411/0x2000 [ 2914.051884][ T72] inet6_addr_add+0x30e/0xa40 [ 2914.051884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.051884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.051884][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.051884][ T72] netlink_unicast+0x449/0x710 [ 2914.051884][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.051884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.051884][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.051884][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.051884][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.051884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.051884][ T72] [ 2914.053808][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2914.053808][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.053808][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.053808][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.053808][ T72] ip6_route_add+0x1c/0x140 [ 2914.053808][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2914.053808][ T72] addrconf_add_dev+0xe2/0x170 [ 2914.053808][ T72] inet6_addr_add+0x12f/0xa40 [ 2914.053808][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.053808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.053808][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.053808][ T72] netlink_unicast+0x449/0x710 [ 2914.053808][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.053808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.053808][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.053808][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.053808][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.053808][ T72] [ 2914.055706][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2914.055706][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2914.055706][ T72] ipv6_find_idev+0x102/0x170 [ 2914.055706][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.055706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.055706][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.055706][ T72] netlink_unicast+0x449/0x710 [ 2914.055706][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.055706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.055706][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.055706][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.055706][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.055706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.055706][ T72] [ 2914.057212][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2914.057212][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2914.057212][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2914.057212][ T72] ipv6_find_idev+0x102/0x170 [ 2914.057212][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.057212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.057212][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.057212][ T72] netlink_unicast+0x449/0x710 [ 2914.057212][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.057212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.057212][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.057212][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.057212][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.057212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.057212][ T72] [ 2914.058993][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2914.059278][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2914.059278][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2914.059278][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2914.059278][ T72] fib6_nh_init+0xa22/0x1580 [ 2914.059278][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.059278][ T72] ip6_route_add+0x1c/0x140 [ 2914.059278][ T72] inet6_rtm_newroute+0x104/0x110 [ 2914.059278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.059278][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.059278][ T72] netlink_unicast+0x449/0x710 [ 2914.059278][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.059278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.059278][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.059278][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.059278][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.059278][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.059278][ T72] [ 2914.061360][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2914.061360][ T72] dst_init+0x84/0x4a0 [ 2914.061360][ T72] dst_alloc+0x97/0x150 [ 2914.061360][ T72] ip6_dst_alloc+0x23/0x90 [ 2914.061360][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2914.061360][ T72] ip6_pol_route+0x56f/0x840 [ 2914.061360][ T72] fib6_rule_lookup+0x456/0x630 [ 2914.061360][ T72] ip6_route_input+0x59c/0xa50 [ 2914.061360][ T72] ipv6_rcv+0x397/0x810 [ 2914.061360][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2914.061360][ T72] process_backlog+0x101/0x620 [ 2914.061360][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2914.061360][ T72] net_rx_action+0x495/0xbe0 [ 2914.061360][ T72] __do_softirq+0x1b5/0x7f6 [ 2914.061360][ T72] [ 2914.063202][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2914.063202][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.063202][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.063202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.063202][ T72] ip6_route_add+0x1c/0x140 [ 2914.063202][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2914.063202][ T72] inet6_addr_add+0x4f8/0xa40 [ 2914.063202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.063202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.063202][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.063202][ T72] netlink_unicast+0x449/0x710 [ 2914.063202][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.063202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.063202][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.063202][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.063202][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.063202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.063202][ T72] [ 2914.065381][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2914.065381][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.065381][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.065381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.065381][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2914.065381][ T72] ipv6_add_addr+0x411/0x2000 [ 2914.065381][ T72] inet6_addr_add+0x30e/0xa40 [ 2914.065381][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.065381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.065381][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.065381][ T72] netlink_unicast+0x449/0x710 [ 2914.065381][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.065381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.065381][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.065381][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.065381][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.065381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.065381][ T72] [ 2914.067632][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2914.067632][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.067632][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.067632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.067632][ T72] ip6_route_add+0x1c/0x140 [ 2914.067632][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2914.067632][ T72] addrconf_add_dev+0xe2/0x170 [ 2914.067632][ T72] inet6_addr_add+0x12f/0xa40 [ 2914.067632][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.067632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.067632][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.067632][ T72] netlink_unicast+0x449/0x710 [ 2914.067632][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.067632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.067632][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.067632][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.067632][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.067632][ T72] [ 2914.069894][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2914.069894][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2914.069894][ T72] ipv6_find_idev+0x102/0x170 [ 2914.069894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.069894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.069894][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.069894][ T72] netlink_unicast+0x449/0x710 [ 2914.069894][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.069894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.069894][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.069894][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.069894][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.069894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.069894][ T72] [ 2914.071574][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2914.071574][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2914.071574][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2914.071574][ T72] ipv6_find_idev+0x102/0x170 [ 2914.071574][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.071574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.071574][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.071574][ T72] netlink_unicast+0x449/0x710 [ 2914.071574][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.071574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.071574][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.071574][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.071574][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.071574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.071574][ T72] [ 2914.073470][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2914.073813][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2914.073813][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.073813][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.073813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.073813][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2914.073813][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2914.073813][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2914.073813][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2914.073813][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2914.073813][ T72] addrconf_dad_begin+0x310/0x670 [ 2914.073813][ T72] addrconf_dad_work+0x10b/0xab0 [ 2914.073813][ T72] process_one_work+0x84d/0x18a0 [ 2914.073813][ T72] worker_thread+0x587/0xd30 [ 2914.073813][ T72] kthread+0x28a/0x350 [ 2914.073813][ T72] ret_from_fork+0x31/0x70 [ 2914.073813][ T72] ret_from_fork_asm+0x1a/0x30 [ 2914.073813][ T72] [ 2914.075935][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2914.075935][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.075935][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.075935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.075935][ T72] ip6_route_add+0x1c/0x140 [ 2914.075935][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2914.075935][ T72] inet6_addr_add+0x4f8/0xa40 [ 2914.075935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.075935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.075935][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.075935][ T72] netlink_unicast+0x449/0x710 [ 2914.075935][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.075935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.075935][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.075935][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.075935][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.075935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.075935][ T72] [ 2914.078163][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2914.078163][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.078163][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.078163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.078163][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2914.078163][ T72] ipv6_add_addr+0x411/0x2000 [ 2914.078163][ T72] inet6_addr_add+0x30e/0xa40 [ 2914.078163][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.078163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.078163][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.078163][ T72] netlink_unicast+0x449/0x710 [ 2914.078163][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.078163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.078163][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.078163][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.078163][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.078163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.078163][ T72] [ 2914.080446][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2914.080446][ T72] netdev_get_by_index+0x5e/0x80 [ 2914.080446][ T72] fib6_nh_init+0x3d8/0x1580 [ 2914.080446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2914.080446][ T72] ip6_route_add+0x1c/0x140 [ 2914.080446][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2914.080446][ T72] addrconf_add_dev+0xe2/0x170 [ 2914.080446][ T72] inet6_addr_add+0x12f/0xa40 [ 2914.080446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.080446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.080446][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.080446][ T72] netlink_unicast+0x449/0x710 [ 2914.080446][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.080446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.080446][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.080446][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.080446][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.080446][ T72] [ 2914.082649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2914.082649][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2914.082649][ T72] ipv6_find_idev+0x102/0x170 [ 2914.082649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.082649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.082649][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.082649][ T72] netlink_unicast+0x449/0x710 [ 2914.082649][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.082649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.082649][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.082649][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.082649][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.082649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.082649][ T72] [ 2914.084358][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2914.084358][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2914.084358][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2914.084358][ T72] ipv6_find_idev+0x102/0x170 [ 2914.084358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.084358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.084358][ T72] netlink_rcv_skb+0x130/0x360 [ 2914.084358][ T72] netlink_unicast+0x449/0x710 [ 2914.084358][ T72] netlink_sendmsg+0x723/0xbe0 [ 2914.084358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2914.084358][ T72] ___sys_sendmsg+0xee/0x170 [ 2914.084358][ T72] __sys_sendmsg+0xcd/0x170 [ 2914.084358][ T72] do_syscall_64+0xc6/0x1e0 [ 2914.084358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.084358][ T72] [ 2924.336901][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2924.337395][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2924.337395][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2924.337395][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2924.337395][ T72] fib6_nh_init+0xa22/0x1580 [ 2924.337395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.337395][ T72] ip6_route_add+0x1c/0x140 [ 2924.337395][ T72] inet6_rtm_newroute+0x104/0x110 [ 2924.337395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.337395][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.337395][ T72] netlink_unicast+0x449/0x710 [ 2924.337395][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.337395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.337395][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.337395][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.337395][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.337395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.337395][ T72] [ 2924.339237][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2924.339237][ T72] dst_init+0x84/0x4a0 [ 2924.339237][ T72] dst_alloc+0x97/0x150 [ 2924.339237][ T72] ip6_dst_alloc+0x23/0x90 [ 2924.339237][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2924.339237][ T72] ip6_pol_route+0x56f/0x840 [ 2924.339237][ T72] fib6_rule_lookup+0x456/0x630 [ 2924.339237][ T72] ip6_route_input+0x59c/0xa50 [ 2924.339237][ T72] ipv6_rcv+0x397/0x810 [ 2924.339237][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2924.339237][ T72] process_backlog+0x101/0x620 [ 2924.339237][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2924.339237][ T72] net_rx_action+0x495/0xbe0 [ 2924.339237][ T72] __do_softirq+0x1b5/0x7f6 [ 2924.339237][ T72] [ 2924.340833][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2924.340833][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.340833][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.340833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.340833][ T72] ip6_route_add+0x1c/0x140 [ 2924.340833][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2924.340833][ T72] inet6_addr_add+0x4f8/0xa40 [ 2924.340833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.340833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.340833][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.340833][ T72] netlink_unicast+0x449/0x710 [ 2924.340833][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.340833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.340833][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.340833][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.340833][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.340833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.340833][ T72] [ 2924.342778][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2924.342778][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.342778][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.342778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.342778][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2924.342778][ T72] ipv6_add_addr+0x411/0x2000 [ 2924.342778][ T72] inet6_addr_add+0x30e/0xa40 [ 2924.342778][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.342778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.342778][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.342778][ T72] netlink_unicast+0x449/0x710 [ 2924.342778][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.342778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.342778][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.342778][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.342778][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.342778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.342778][ T72] [ 2924.344770][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2924.344770][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.344770][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.344770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.344770][ T72] ip6_route_add+0x1c/0x140 [ 2924.344770][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2924.344770][ T72] addrconf_add_dev+0xe2/0x170 [ 2924.344770][ T72] inet6_addr_add+0x12f/0xa40 [ 2924.344770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.344770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.344770][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.344770][ T72] netlink_unicast+0x449/0x710 [ 2924.344770][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.344770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.344770][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.344770][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.344770][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.344770][ T72] [ 2924.346693][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2924.346693][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2924.346693][ T72] ipv6_find_idev+0x102/0x170 [ 2924.346693][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2924.346693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.346693][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.346693][ T72] netlink_unicast+0x449/0x710 [ 2924.346693][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.346693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.346693][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.346693][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.346693][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.346693][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.346693][ T72] [ 2924.348182][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2924.348182][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2924.348182][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2924.348182][ T72] ipv6_find_idev+0x102/0x170 [ 2924.348182][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2924.348182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.348182][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.348182][ T72] netlink_unicast+0x449/0x710 [ 2924.348182][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.348182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.348182][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.348182][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.348182][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.348182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.348182][ T72] [ 2924.349844][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2924.350111][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2924.350111][ T72] dst_init+0x84/0x4a0 [ 2924.350111][ T72] dst_alloc+0x97/0x150 [ 2924.350111][ T72] ip6_dst_alloc+0x23/0x90 [ 2924.350111][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2924.350111][ T72] ip6_pol_route+0x56f/0x840 [ 2924.350111][ T72] fib6_rule_lookup+0x456/0x630 [ 2924.350111][ T72] ip6_route_input+0x59c/0xa50 [ 2924.350111][ T72] ipv6_rcv+0x397/0x810 [ 2924.350111][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2924.350111][ T72] process_backlog+0x101/0x620 [ 2924.350111][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2924.350111][ T72] net_rx_action+0x495/0xbe0 [ 2924.350111][ T72] __do_softirq+0x1b5/0x7f6 [ 2924.350111][ T72] [ 2924.351774][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2924.351774][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.351774][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.351774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.351774][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2924.351774][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2924.351774][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2924.351774][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2924.351774][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2924.351774][ T72] addrconf_dad_begin+0x310/0x670 [ 2924.351774][ T72] addrconf_dad_work+0x10b/0xab0 [ 2924.351774][ T72] process_one_work+0x84d/0x18a0 [ 2924.351774][ T72] worker_thread+0x587/0xd30 [ 2924.351774][ T72] kthread+0x28a/0x350 [ 2924.351774][ T72] ret_from_fork+0x31/0x70 [ 2924.351774][ T72] ret_from_fork_asm+0x1a/0x30 [ 2924.351774][ T72] [ 2924.353611][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2924.353611][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.353611][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.353611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.353611][ T72] ip6_route_add+0x1c/0x140 [ 2924.353611][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2924.353611][ T72] inet6_addr_add+0x4f8/0xa40 [ 2924.353611][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.353611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.353611][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.353611][ T72] netlink_unicast+0x449/0x710 [ 2924.353611][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.353611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.353611][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.353611][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.353611][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.353611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.353611][ T72] [ 2924.355602][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2924.355602][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.355602][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.355602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.355602][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2924.355602][ T72] ipv6_add_addr+0x411/0x2000 [ 2924.355602][ T72] inet6_addr_add+0x30e/0xa40 [ 2924.355602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.355602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.355602][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.355602][ T72] netlink_unicast+0x449/0x710 [ 2924.355602][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.355602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.355602][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.355602][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.355602][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.355602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.355602][ T72] [ 2924.357625][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2924.357625][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.357625][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.357625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.357625][ T72] ip6_route_add+0x1c/0x140 [ 2924.357625][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2924.357625][ T72] addrconf_add_dev+0xe2/0x170 [ 2924.357625][ T72] inet6_addr_add+0x12f/0xa40 [ 2924.357625][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.357625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.357625][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.357625][ T72] netlink_unicast+0x449/0x710 [ 2924.357625][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.357625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.357625][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.357625][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.357625][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.357625][ T72] [ 2924.359568][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2924.359568][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2924.359568][ T72] ipv6_find_idev+0x102/0x170 [ 2924.359568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2924.359568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.359568][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.359568][ T72] netlink_unicast+0x449/0x710 [ 2924.359568][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.359568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.359568][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.359568][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.359568][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.359568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.359568][ T72] [ 2924.361091][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2924.361091][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2924.361091][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2924.361091][ T72] ipv6_find_idev+0x102/0x170 [ 2924.361091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2924.361091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.361091][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.361091][ T72] netlink_unicast+0x449/0x710 [ 2924.361091][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.361091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.361091][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.361091][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.361091][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.361091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.361091][ T72] [ 2924.362890][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2924.363164][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2924.363164][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2924.363164][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2924.363164][ T72] fib6_nh_init+0xa22/0x1580 [ 2924.363164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.363164][ T72] ip6_route_add+0x1c/0x140 [ 2924.363164][ T72] inet6_rtm_newroute+0x104/0x110 [ 2924.363164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.363164][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.363164][ T72] netlink_unicast+0x449/0x710 [ 2924.363164][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.363164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.363164][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.363164][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.363164][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.363164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.363164][ T72] [ 2924.365289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2924.365289][ T72] dst_init+0x84/0x4a0 [ 2924.365289][ T72] dst_alloc+0x97/0x150 [ 2924.365289][ T72] ip6_dst_alloc+0x23/0x90 [ 2924.365289][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2924.365289][ T72] ip6_pol_route+0x56f/0x840 [ 2924.365289][ T72] fib6_rule_lookup+0x456/0x630 [ 2924.365289][ T72] ip6_route_input+0x59c/0xa50 [ 2924.365289][ T72] ipv6_rcv+0x397/0x810 [ 2924.365289][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2924.365289][ T72] process_backlog+0x101/0x620 [ 2924.365289][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2924.365289][ T72] net_rx_action+0x495/0xbe0 [ 2924.365289][ T72] __do_softirq+0x1b5/0x7f6 [ 2924.365289][ T72] [ 2924.367160][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2924.367160][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.367160][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.367160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.367160][ T72] ip6_route_add+0x1c/0x140 [ 2924.367160][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2924.367160][ T72] inet6_addr_add+0x4f8/0xa40 [ 2924.367160][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.367160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.367160][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.367160][ T72] netlink_unicast+0x449/0x710 [ 2924.367160][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.367160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.367160][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.367160][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.367160][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.367160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.367160][ T72] [ 2924.369357][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2924.369357][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.369357][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.369357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.369357][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2924.369357][ T72] ipv6_add_addr+0x411/0x2000 [ 2924.369357][ T72] inet6_addr_add+0x30e/0xa40 [ 2924.369357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.369357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.369357][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.369357][ T72] netlink_unicast+0x449/0x710 [ 2924.369357][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.369357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.369357][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.369357][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.369357][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.369357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.369357][ T72] [ 2924.371538][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2924.371538][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.371538][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.371538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.371538][ T72] ip6_route_add+0x1c/0x140 [ 2924.371538][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2924.371538][ T72] addrconf_add_dev+0xe2/0x170 [ 2924.371538][ T72] inet6_addr_add+0x12f/0xa40 [ 2924.371538][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.371538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.371538][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.371538][ T72] netlink_unicast+0x449/0x710 [ 2924.371538][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.371538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.371538][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.371538][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.371538][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.371538][ T72] [ 2924.373780][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2924.373780][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2924.373780][ T72] ipv6_find_idev+0x102/0x170 [ 2924.373780][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2924.373780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.373780][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.373780][ T72] netlink_unicast+0x449/0x710 [ 2924.373780][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.373780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.373780][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.373780][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.373780][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.373780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.373780][ T72] [ 2924.375526][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2924.375526][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2924.375526][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2924.375526][ T72] ipv6_find_idev+0x102/0x170 [ 2924.375526][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2924.375526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.375526][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.375526][ T72] netlink_unicast+0x449/0x710 [ 2924.375526][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.375526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.375526][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.375526][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.375526][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.375526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.375526][ T72] [ 2924.377951][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2924.378290][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2924.378290][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.378290][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.378290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.378290][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2924.378290][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2924.378290][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2924.378290][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2924.378290][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2924.378290][ T72] addrconf_dad_begin+0x310/0x670 [ 2924.378290][ T72] addrconf_dad_work+0x10b/0xab0 [ 2924.378290][ T72] process_one_work+0x84d/0x18a0 [ 2924.378290][ T72] worker_thread+0x587/0xd30 [ 2924.378290][ T72] kthread+0x28a/0x350 [ 2924.378290][ T72] ret_from_fork+0x31/0x70 [ 2924.378290][ T72] ret_from_fork_asm+0x1a/0x30 [ 2924.378290][ T72] [ 2924.380308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2924.380308][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.380308][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.380308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.380308][ T72] ip6_route_add+0x1c/0x140 [ 2924.380308][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2924.380308][ T72] inet6_addr_add+0x4f8/0xa40 [ 2924.380308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.380308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.380308][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.380308][ T72] netlink_unicast+0x449/0x710 [ 2924.380308][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.380308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.380308][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.380308][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.380308][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.380308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.380308][ T72] [ 2924.382528][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2924.382528][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.382528][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.382528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.382528][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2924.382528][ T72] ipv6_add_addr+0x411/0x2000 [ 2924.382528][ T72] inet6_addr_add+0x30e/0xa40 [ 2924.382528][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.382528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.382528][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.382528][ T72] netlink_unicast+0x449/0x710 [ 2924.382528][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.382528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.382528][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.382528][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.382528][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.382528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.382528][ T72] [ 2924.384841][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2924.384841][ T72] netdev_get_by_index+0x5e/0x80 [ 2924.384841][ T72] fib6_nh_init+0x3d8/0x1580 [ 2924.384841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2924.384841][ T72] ip6_route_add+0x1c/0x140 [ 2924.384841][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2924.384841][ T72] addrconf_add_dev+0xe2/0x170 [ 2924.384841][ T72] inet6_addr_add+0x12f/0xa40 [ 2924.384841][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2924.384841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.384841][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.384841][ T72] netlink_unicast+0x449/0x710 [ 2924.384841][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.384841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.384841][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.384841][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.384841][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.384841][ T72] [ 2924.387066][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2924.387066][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2924.387066][ T72] ipv6_find_idev+0x102/0x170 [ 2924.387066][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2924.387066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.387066][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.387066][ T72] netlink_unicast+0x449/0x710 [ 2924.387066][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.387066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.387066][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.387066][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.387066][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.387066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.387066][ T72] [ 2924.388791][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2924.388791][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2924.388791][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2924.388791][ T72] ipv6_find_idev+0x102/0x170 [ 2924.388791][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2924.388791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2924.388791][ T72] netlink_rcv_skb+0x130/0x360 [ 2924.388791][ T72] netlink_unicast+0x449/0x710 [ 2924.388791][ T72] netlink_sendmsg+0x723/0xbe0 [ 2924.388791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2924.388791][ T72] ___sys_sendmsg+0xee/0x170 [ 2924.388791][ T72] __sys_sendmsg+0xcd/0x170 [ 2924.388791][ T72] do_syscall_64+0xc6/0x1e0 [ 2924.388791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2924.388791][ T72] [ 2934.640972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2934.641671][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2934.641671][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2934.641671][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2934.641671][ T72] fib6_nh_init+0xa22/0x1580 [ 2934.641671][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.641671][ T72] ip6_route_add+0x1c/0x140 [ 2934.641671][ T72] inet6_rtm_newroute+0x104/0x110 [ 2934.641671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.641671][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.641671][ T72] netlink_unicast+0x449/0x710 [ 2934.641671][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.641671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.641671][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.641671][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.641671][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.641671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.641671][ T72] [ 2934.643522][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2934.643522][ T72] dst_init+0x84/0x4a0 [ 2934.643522][ T72] dst_alloc+0x97/0x150 [ 2934.643522][ T72] ip6_dst_alloc+0x23/0x90 [ 2934.643522][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2934.643522][ T72] ip6_pol_route+0x56f/0x840 [ 2934.643522][ T72] fib6_rule_lookup+0x456/0x630 [ 2934.643522][ T72] ip6_route_input+0x59c/0xa50 [ 2934.643522][ T72] ipv6_rcv+0x397/0x810 [ 2934.643522][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2934.643522][ T72] process_backlog+0x101/0x620 [ 2934.643522][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2934.643522][ T72] net_rx_action+0x495/0xbe0 [ 2934.643522][ T72] __do_softirq+0x1b5/0x7f6 [ 2934.643522][ T72] [ 2934.645153][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2934.645153][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.645153][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.645153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.645153][ T72] ip6_route_add+0x1c/0x140 [ 2934.645153][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2934.645153][ T72] inet6_addr_add+0x4f8/0xa40 [ 2934.645153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.645153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.645153][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.645153][ T72] netlink_unicast+0x449/0x710 [ 2934.645153][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.645153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.645153][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.645153][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.645153][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.645153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.645153][ T72] [ 2934.647100][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2934.647100][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.647100][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.647100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.647100][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2934.647100][ T72] ipv6_add_addr+0x411/0x2000 [ 2934.647100][ T72] inet6_addr_add+0x30e/0xa40 [ 2934.647100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.647100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.647100][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.647100][ T72] netlink_unicast+0x449/0x710 [ 2934.647100][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.647100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.647100][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.647100][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.647100][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.647100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.647100][ T72] [ 2934.649033][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2934.649033][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.649033][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.649033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.649033][ T72] ip6_route_add+0x1c/0x140 [ 2934.649033][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2934.649033][ T72] addrconf_add_dev+0xe2/0x170 [ 2934.649033][ T72] inet6_addr_add+0x12f/0xa40 [ 2934.649033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.649033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.649033][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.649033][ T72] netlink_unicast+0x449/0x710 [ 2934.649033][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.649033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.649033][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.649033][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.649033][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.649033][ T72] [ 2934.650930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2934.650930][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2934.650930][ T72] ipv6_find_idev+0x102/0x170 [ 2934.650930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2934.650930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.650930][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.650930][ T72] netlink_unicast+0x449/0x710 [ 2934.650930][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.650930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.650930][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.650930][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.650930][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.650930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.650930][ T72] [ 2934.652419][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2934.652419][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2934.652419][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2934.652419][ T72] ipv6_find_idev+0x102/0x170 [ 2934.652419][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2934.652419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.652419][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.652419][ T72] netlink_unicast+0x449/0x710 [ 2934.652419][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.652419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.652419][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.652419][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.652419][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.652419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.652419][ T72] [ 2934.654107][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2934.654386][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2934.654386][ T72] dst_init+0x84/0x4a0 [ 2934.654386][ T72] dst_alloc+0x97/0x150 [ 2934.654386][ T72] ip6_dst_alloc+0x23/0x90 [ 2934.654386][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2934.654386][ T72] ip6_pol_route+0x56f/0x840 [ 2934.654386][ T72] fib6_rule_lookup+0x456/0x630 [ 2934.654386][ T72] ip6_route_input+0x59c/0xa50 [ 2934.654386][ T72] ipv6_rcv+0x397/0x810 [ 2934.654386][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2934.654386][ T72] process_backlog+0x101/0x620 [ 2934.654386][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2934.654386][ T72] net_rx_action+0x495/0xbe0 [ 2934.654386][ T72] __do_softirq+0x1b5/0x7f6 [ 2934.654386][ T72] [ 2934.656019][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2934.656019][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.656019][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.656019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.656019][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2934.656019][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2934.656019][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2934.656019][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2934.656019][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2934.656019][ T72] addrconf_dad_begin+0x310/0x670 [ 2934.656019][ T72] addrconf_dad_work+0x10b/0xab0 [ 2934.656019][ T72] process_one_work+0x84d/0x18a0 [ 2934.656019][ T72] worker_thread+0x587/0xd30 [ 2934.656019][ T72] kthread+0x28a/0x350 [ 2934.656019][ T72] ret_from_fork+0x31/0x70 [ 2934.656019][ T72] ret_from_fork_asm+0x1a/0x30 [ 2934.656019][ T72] [ 2934.657913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2934.657913][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.657913][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.657913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.657913][ T72] ip6_route_add+0x1c/0x140 [ 2934.657913][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2934.657913][ T72] inet6_addr_add+0x4f8/0xa40 [ 2934.657913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.657913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.657913][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.657913][ T72] netlink_unicast+0x449/0x710 [ 2934.657913][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.657913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.657913][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.657913][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.657913][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.657913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.657913][ T72] [ 2934.659909][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2934.659909][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.659909][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.659909][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.659909][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2934.659909][ T72] ipv6_add_addr+0x411/0x2000 [ 2934.659909][ T72] inet6_addr_add+0x30e/0xa40 [ 2934.659909][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.659909][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.659909][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.659909][ T72] netlink_unicast+0x449/0x710 [ 2934.659909][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.659909][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.659909][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.659909][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.659909][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.659909][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.659909][ T72] [ 2934.661900][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2934.661900][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.661900][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.661900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.661900][ T72] ip6_route_add+0x1c/0x140 [ 2934.661900][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2934.661900][ T72] addrconf_add_dev+0xe2/0x170 [ 2934.661900][ T72] inet6_addr_add+0x12f/0xa40 [ 2934.661900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.661900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.661900][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.661900][ T72] netlink_unicast+0x449/0x710 [ 2934.661900][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.661900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.661900][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.661900][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.661900][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.661900][ T72] [ 2934.663856][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2934.663856][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2934.663856][ T72] ipv6_find_idev+0x102/0x170 [ 2934.663856][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2934.663856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.663856][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.663856][ T72] netlink_unicast+0x449/0x710 [ 2934.663856][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.663856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.663856][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.663856][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.663856][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.663856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.663856][ T72] [ 2934.665395][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2934.665395][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2934.665395][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2934.665395][ T72] ipv6_find_idev+0x102/0x170 [ 2934.665395][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2934.665395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.665395][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.665395][ T72] netlink_unicast+0x449/0x710 [ 2934.665395][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.665395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.665395][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.665395][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.665395][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.665395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.665395][ T72] [ 2934.667192][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2934.667458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2934.667458][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2934.667458][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2934.667458][ T72] fib6_nh_init+0xa22/0x1580 [ 2934.667458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.667458][ T72] ip6_route_add+0x1c/0x140 [ 2934.667458][ T72] inet6_rtm_newroute+0x104/0x110 [ 2934.667458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.667458][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.667458][ T72] netlink_unicast+0x449/0x710 [ 2934.667458][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.667458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.667458][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.667458][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.667458][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.667458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.667458][ T72] [ 2934.669688][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2934.669688][ T72] dst_init+0x84/0x4a0 [ 2934.669688][ T72] dst_alloc+0x97/0x150 [ 2934.669688][ T72] ip6_dst_alloc+0x23/0x90 [ 2934.669688][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2934.669688][ T72] ip6_pol_route+0x56f/0x840 [ 2934.669688][ T72] fib6_rule_lookup+0x456/0x630 [ 2934.669688][ T72] ip6_route_input+0x59c/0xa50 [ 2934.669688][ T72] ipv6_rcv+0x397/0x810 [ 2934.669688][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2934.669688][ T72] process_backlog+0x101/0x620 [ 2934.669688][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2934.669688][ T72] net_rx_action+0x495/0xbe0 [ 2934.669688][ T72] __do_softirq+0x1b5/0x7f6 [ 2934.669688][ T72] [ 2934.671566][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2934.671566][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.671566][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.671566][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.671566][ T72] ip6_route_add+0x1c/0x140 [ 2934.671566][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2934.671566][ T72] inet6_addr_add+0x4f8/0xa40 [ 2934.671566][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.671566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.671566][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.671566][ T72] netlink_unicast+0x449/0x710 [ 2934.671566][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.671566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.671566][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.671566][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.671566][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.671566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.671566][ T72] [ 2934.673754][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2934.673754][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.673754][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.673754][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.673754][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2934.673754][ T72] ipv6_add_addr+0x411/0x2000 [ 2934.673754][ T72] inet6_addr_add+0x30e/0xa40 [ 2934.673754][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.673754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.673754][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.673754][ T72] netlink_unicast+0x449/0x710 [ 2934.673754][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.673754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.673754][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.673754][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.673754][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.673754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.673754][ T72] [ 2934.675978][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2934.675978][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.675978][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.675978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.675978][ T72] ip6_route_add+0x1c/0x140 [ 2934.675978][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2934.675978][ T72] addrconf_add_dev+0xe2/0x170 [ 2934.675978][ T72] inet6_addr_add+0x12f/0xa40 [ 2934.675978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.675978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.675978][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.675978][ T72] netlink_unicast+0x449/0x710 [ 2934.675978][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.675978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.675978][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.675978][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.675978][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.675978][ T72] [ 2934.678225][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2934.678225][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2934.678225][ T72] ipv6_find_idev+0x102/0x170 [ 2934.678225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2934.678225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.678225][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.678225][ T72] netlink_unicast+0x449/0x710 [ 2934.678225][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.678225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.678225][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.678225][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.678225][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.678225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.678225][ T72] [ 2934.679933][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2934.679933][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2934.679933][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2934.679933][ T72] ipv6_find_idev+0x102/0x170 [ 2934.679933][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2934.679933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.679933][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.679933][ T72] netlink_unicast+0x449/0x710 [ 2934.679933][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.679933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.679933][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.679933][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.679933][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.679933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.679933][ T72] [ 2934.681781][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2934.682548][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2934.682548][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.682548][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.682548][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.682548][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2934.682548][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2934.682548][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2934.682548][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2934.682548][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2934.682548][ T72] addrconf_dad_begin+0x310/0x670 [ 2934.682548][ T72] addrconf_dad_work+0x10b/0xab0 [ 2934.682548][ T72] process_one_work+0x84d/0x18a0 [ 2934.682548][ T72] worker_thread+0x587/0xd30 [ 2934.682548][ T72] kthread+0x28a/0x350 [ 2934.682548][ T72] ret_from_fork+0x31/0x70 [ 2934.682548][ T72] ret_from_fork_asm+0x1a/0x30 [ 2934.682548][ T72] [ 2934.684441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2934.684441][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.684441][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.684441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.684441][ T72] ip6_route_add+0x1c/0x140 [ 2934.684441][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2934.684441][ T72] inet6_addr_add+0x4f8/0xa40 [ 2934.684441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.684441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.684441][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.684441][ T72] netlink_unicast+0x449/0x710 [ 2934.684441][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.684441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.684441][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.684441][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.684441][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.684441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.684441][ T72] [ 2934.686501][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2934.686501][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.686501][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.686501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.686501][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2934.686501][ T72] ipv6_add_addr+0x411/0x2000 [ 2934.686501][ T72] inet6_addr_add+0x30e/0xa40 [ 2934.686501][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.686501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.686501][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.686501][ T72] netlink_unicast+0x449/0x710 [ 2934.686501][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.686501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.686501][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.686501][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.686501][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.686501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.686501][ T72] [ 2934.688714][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2934.688714][ T72] netdev_get_by_index+0x5e/0x80 [ 2934.688714][ T72] fib6_nh_init+0x3d8/0x1580 [ 2934.688714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2934.688714][ T72] ip6_route_add+0x1c/0x140 [ 2934.688714][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2934.688714][ T72] addrconf_add_dev+0xe2/0x170 [ 2934.688714][ T72] inet6_addr_add+0x12f/0xa40 [ 2934.688714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2934.688714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.688714][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.688714][ T72] netlink_unicast+0x449/0x710 [ 2934.688714][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.688714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.688714][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.688714][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.688714][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.688714][ T72] [ 2934.690977][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2934.690977][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2934.690977][ T72] ipv6_find_idev+0x102/0x170 [ 2934.690977][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2934.690977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.690977][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.690977][ T72] netlink_unicast+0x449/0x710 [ 2934.690977][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.690977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.690977][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.690977][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.690977][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.690977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.690977][ T72] [ 2934.692690][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2934.692690][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2934.692690][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2934.692690][ T72] ipv6_find_idev+0x102/0x170 [ 2934.692690][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2934.692690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2934.692690][ T72] netlink_rcv_skb+0x130/0x360 [ 2934.692690][ T72] netlink_unicast+0x449/0x710 [ 2934.692690][ T72] netlink_sendmsg+0x723/0xbe0 [ 2934.692690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2934.692690][ T72] ___sys_sendmsg+0xee/0x170 [ 2934.692690][ T72] __sys_sendmsg+0xcd/0x170 [ 2934.692690][ T72] do_syscall_64+0xc6/0x1e0 [ 2934.692690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2934.692690][ T72] [ 2944.944931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2944.945619][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2944.945619][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2944.945619][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2944.945619][ T72] fib6_nh_init+0xa22/0x1580 [ 2944.945619][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.945619][ T72] ip6_route_add+0x1c/0x140 [ 2944.945619][ T72] inet6_rtm_newroute+0x104/0x110 [ 2944.945619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.945619][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.945619][ T72] netlink_unicast+0x449/0x710 [ 2944.945619][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.945619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.945619][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.945619][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.945619][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.945619][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.945619][ T72] [ 2944.947562][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2944.947562][ T72] dst_init+0x84/0x4a0 [ 2944.947562][ T72] dst_alloc+0x97/0x150 [ 2944.947562][ T72] ip6_dst_alloc+0x23/0x90 [ 2944.947562][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2944.947562][ T72] ip6_pol_route+0x56f/0x840 [ 2944.947562][ T72] fib6_rule_lookup+0x456/0x630 [ 2944.947562][ T72] ip6_route_input+0x59c/0xa50 [ 2944.947562][ T72] ipv6_rcv+0x397/0x810 [ 2944.947562][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2944.947562][ T72] process_backlog+0x101/0x620 [ 2944.947562][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2944.947562][ T72] net_rx_action+0x495/0xbe0 [ 2944.947562][ T72] __do_softirq+0x1b5/0x7f6 [ 2944.947562][ T72] [ 2944.949169][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2944.949169][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.949169][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.949169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.949169][ T72] ip6_route_add+0x1c/0x140 [ 2944.949169][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2944.949169][ T72] inet6_addr_add+0x4f8/0xa40 [ 2944.949169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.949169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.949169][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.949169][ T72] netlink_unicast+0x449/0x710 [ 2944.949169][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.949169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.949169][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.949169][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.949169][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.949169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.949169][ T72] [ 2944.951208][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2944.951208][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.951208][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.951208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.951208][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2944.951208][ T72] ipv6_add_addr+0x411/0x2000 [ 2944.951208][ T72] inet6_addr_add+0x30e/0xa40 [ 2944.951208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.951208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.951208][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.951208][ T72] netlink_unicast+0x449/0x710 [ 2944.951208][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.951208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.951208][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.951208][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.951208][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.951208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.951208][ T72] [ 2944.953182][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2944.953182][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.953182][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.953182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.953182][ T72] ip6_route_add+0x1c/0x140 [ 2944.953182][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2944.953182][ T72] addrconf_add_dev+0xe2/0x170 [ 2944.953182][ T72] inet6_addr_add+0x12f/0xa40 [ 2944.953182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.953182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.953182][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.953182][ T72] netlink_unicast+0x449/0x710 [ 2944.953182][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.953182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.953182][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.953182][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.953182][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.953182][ T72] [ 2944.955161][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2944.955161][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2944.955161][ T72] ipv6_find_idev+0x102/0x170 [ 2944.955161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2944.955161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.955161][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.955161][ T72] netlink_unicast+0x449/0x710 [ 2944.955161][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.955161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.955161][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.955161][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.955161][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.955161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.955161][ T72] [ 2944.956646][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2944.956646][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2944.956646][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2944.956646][ T72] ipv6_find_idev+0x102/0x170 [ 2944.956646][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2944.956646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.956646][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.956646][ T72] netlink_unicast+0x449/0x710 [ 2944.956646][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.956646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.956646][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.956646][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.956646][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.956646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.956646][ T72] [ 2944.958281][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2944.958566][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2944.958566][ T72] dst_init+0x84/0x4a0 [ 2944.958566][ T72] dst_alloc+0x97/0x150 [ 2944.958566][ T72] ip6_dst_alloc+0x23/0x90 [ 2944.958566][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2944.958566][ T72] ip6_pol_route+0x56f/0x840 [ 2944.958566][ T72] fib6_rule_lookup+0x456/0x630 [ 2944.958566][ T72] ip6_route_input+0x59c/0xa50 [ 2944.958566][ T72] ipv6_rcv+0x397/0x810 [ 2944.958566][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2944.958566][ T72] process_backlog+0x101/0x620 [ 2944.958566][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2944.958566][ T72] net_rx_action+0x495/0xbe0 [ 2944.958566][ T72] __do_softirq+0x1b5/0x7f6 [ 2944.958566][ T72] [ 2944.960188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2944.960188][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.960188][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.960188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.960188][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2944.960188][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2944.960188][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2944.960188][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2944.960188][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2944.960188][ T72] addrconf_dad_begin+0x310/0x670 [ 2944.960188][ T72] addrconf_dad_work+0x10b/0xab0 [ 2944.960188][ T72] process_one_work+0x84d/0x18a0 [ 2944.960188][ T72] worker_thread+0x587/0xd30 [ 2944.960188][ T72] kthread+0x28a/0x350 [ 2944.960188][ T72] ret_from_fork+0x31/0x70 [ 2944.960188][ T72] ret_from_fork_asm+0x1a/0x30 [ 2944.960188][ T72] [ 2944.962031][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2944.962031][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.962031][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.962031][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.962031][ T72] ip6_route_add+0x1c/0x140 [ 2944.962031][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2944.962031][ T72] inet6_addr_add+0x4f8/0xa40 [ 2944.962031][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.962031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.962031][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.962031][ T72] netlink_unicast+0x449/0x710 [ 2944.962031][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.962031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.962031][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.962031][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.962031][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.962031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.962031][ T72] [ 2944.963956][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2944.963956][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.963956][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.963956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.963956][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2944.963956][ T72] ipv6_add_addr+0x411/0x2000 [ 2944.963956][ T72] inet6_addr_add+0x30e/0xa40 [ 2944.963956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.963956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.963956][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.963956][ T72] netlink_unicast+0x449/0x710 [ 2944.963956][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.963956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.963956][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.963956][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.963956][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.963956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.963956][ T72] [ 2944.965949][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2944.965949][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.965949][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.965949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.965949][ T72] ip6_route_add+0x1c/0x140 [ 2944.965949][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2944.965949][ T72] addrconf_add_dev+0xe2/0x170 [ 2944.965949][ T72] inet6_addr_add+0x12f/0xa40 [ 2944.965949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.965949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.965949][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.965949][ T72] netlink_unicast+0x449/0x710 [ 2944.965949][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.965949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.965949][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.965949][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.965949][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.965949][ T72] [ 2944.967902][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2944.967902][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2944.967902][ T72] ipv6_find_idev+0x102/0x170 [ 2944.967902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2944.967902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.967902][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.967902][ T72] netlink_unicast+0x449/0x710 [ 2944.967902][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.967902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.967902][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.967902][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.967902][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.967902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.967902][ T72] [ 2944.969444][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2944.969444][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2944.969444][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2944.969444][ T72] ipv6_find_idev+0x102/0x170 [ 2944.969444][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2944.969444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.969444][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.969444][ T72] netlink_unicast+0x449/0x710 [ 2944.969444][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.969444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.969444][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.969444][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.969444][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.969444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.969444][ T72] [ 2944.971249][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2944.971513][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2944.971513][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2944.971513][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2944.971513][ T72] fib6_nh_init+0xa22/0x1580 [ 2944.971513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.971513][ T72] ip6_route_add+0x1c/0x140 [ 2944.971513][ T72] inet6_rtm_newroute+0x104/0x110 [ 2944.971513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.971513][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.971513][ T72] netlink_unicast+0x449/0x710 [ 2944.971513][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.971513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.971513][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.971513][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.971513][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.971513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.971513][ T72] [ 2944.973615][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2944.973615][ T72] dst_init+0x84/0x4a0 [ 2944.973615][ T72] dst_alloc+0x97/0x150 [ 2944.973615][ T72] ip6_dst_alloc+0x23/0x90 [ 2944.973615][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2944.973615][ T72] ip6_pol_route+0x56f/0x840 [ 2944.973615][ T72] fib6_rule_lookup+0x456/0x630 [ 2944.973615][ T72] ip6_route_input+0x59c/0xa50 [ 2944.973615][ T72] ipv6_rcv+0x397/0x810 [ 2944.973615][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2944.973615][ T72] process_backlog+0x101/0x620 [ 2944.973615][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2944.973615][ T72] net_rx_action+0x495/0xbe0 [ 2944.973615][ T72] __do_softirq+0x1b5/0x7f6 [ 2944.973615][ T72] [ 2944.975483][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2944.975483][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.975483][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.975483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.975483][ T72] ip6_route_add+0x1c/0x140 [ 2944.975483][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2944.975483][ T72] inet6_addr_add+0x4f8/0xa40 [ 2944.975483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.975483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.975483][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.975483][ T72] netlink_unicast+0x449/0x710 [ 2944.975483][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.975483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.975483][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.975483][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.975483][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.975483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.975483][ T72] [ 2944.977658][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2944.977658][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.977658][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.977658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.977658][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2944.977658][ T72] ipv6_add_addr+0x411/0x2000 [ 2944.977658][ T72] inet6_addr_add+0x30e/0xa40 [ 2944.977658][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.977658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.977658][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.977658][ T72] netlink_unicast+0x449/0x710 [ 2944.977658][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.977658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.977658][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.977658][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.977658][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.977658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.977658][ T72] [ 2944.979877][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2944.979877][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.979877][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.979877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.979877][ T72] ip6_route_add+0x1c/0x140 [ 2944.979877][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2944.979877][ T72] addrconf_add_dev+0xe2/0x170 [ 2944.979877][ T72] inet6_addr_add+0x12f/0xa40 [ 2944.979877][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.979877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.979877][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.979877][ T72] netlink_unicast+0x449/0x710 [ 2944.979877][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.979877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.979877][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.979877][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.979877][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.979877][ T72] [ 2944.982129][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2944.982129][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2944.982129][ T72] ipv6_find_idev+0x102/0x170 [ 2944.982129][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2944.982129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.982129][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.982129][ T72] netlink_unicast+0x449/0x710 [ 2944.982129][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.982129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.982129][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.982129][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.982129][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.982129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.982129][ T72] [ 2944.983835][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2944.983835][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2944.983835][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2944.983835][ T72] ipv6_find_idev+0x102/0x170 [ 2944.983835][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2944.983835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.983835][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.983835][ T72] netlink_unicast+0x449/0x710 [ 2944.983835][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.983835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.983835][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.983835][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.983835][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.983835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.983835][ T72] [ 2944.985710][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2944.986499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2944.986499][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.986499][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.986499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.986499][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2944.986499][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2944.986499][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2944.986499][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2944.986499][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2944.986499][ T72] addrconf_dad_begin+0x310/0x670 [ 2944.986499][ T72] addrconf_dad_work+0x10b/0xab0 [ 2944.986499][ T72] process_one_work+0x84d/0x18a0 [ 2944.986499][ T72] worker_thread+0x587/0xd30 [ 2944.986499][ T72] kthread+0x28a/0x350 [ 2944.986499][ T72] ret_from_fork+0x31/0x70 [ 2944.986499][ T72] ret_from_fork_asm+0x1a/0x30 [ 2944.986499][ T72] [ 2944.988388][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2944.988388][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.988388][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.988388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.988388][ T72] ip6_route_add+0x1c/0x140 [ 2944.988388][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2944.988388][ T72] inet6_addr_add+0x4f8/0xa40 [ 2944.988388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.988388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.988388][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.988388][ T72] netlink_unicast+0x449/0x710 [ 2944.988388][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.988388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.988388][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.988388][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.988388][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.988388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.988388][ T72] [ 2944.990369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2944.990369][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.990369][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.990369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.990369][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2944.990369][ T72] ipv6_add_addr+0x411/0x2000 [ 2944.990369][ T72] inet6_addr_add+0x30e/0xa40 [ 2944.990369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.990369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.990369][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.990369][ T72] netlink_unicast+0x449/0x710 [ 2944.990369][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.990369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.990369][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.990369][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.990369][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.990369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.990369][ T72] [ 2944.992626][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2944.992626][ T72] netdev_get_by_index+0x5e/0x80 [ 2944.992626][ T72] fib6_nh_init+0x3d8/0x1580 [ 2944.992626][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2944.992626][ T72] ip6_route_add+0x1c/0x140 [ 2944.992626][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2944.992626][ T72] addrconf_add_dev+0xe2/0x170 [ 2944.992626][ T72] inet6_addr_add+0x12f/0xa40 [ 2944.992626][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2944.992626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.992626][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.992626][ T72] netlink_unicast+0x449/0x710 [ 2944.992626][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.992626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.992626][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.992626][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.992626][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.992626][ T72] [ 2944.994902][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2944.994902][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2944.994902][ T72] ipv6_find_idev+0x102/0x170 [ 2944.994902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2944.994902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.994902][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.994902][ T72] netlink_unicast+0x449/0x710 [ 2944.994902][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.994902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.994902][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.994902][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.994902][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.994902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.994902][ T72] [ 2944.996600][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2944.996600][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2944.996600][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2944.996600][ T72] ipv6_find_idev+0x102/0x170 [ 2944.996600][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2944.996600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2944.996600][ T72] netlink_rcv_skb+0x130/0x360 [ 2944.996600][ T72] netlink_unicast+0x449/0x710 [ 2944.996600][ T72] netlink_sendmsg+0x723/0xbe0 [ 2944.996600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2944.996600][ T72] ___sys_sendmsg+0xee/0x170 [ 2944.996600][ T72] __sys_sendmsg+0xcd/0x170 [ 2944.996600][ T72] do_syscall_64+0xc6/0x1e0 [ 2944.996600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2944.996600][ T72] [ 2955.097076][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2955.098378][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2955.098378][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2955.098378][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2955.098378][ T72] fib6_nh_init+0xa22/0x1580 [ 2955.098378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.098378][ T72] ip6_route_add+0x1c/0x140 [ 2955.098378][ T72] inet6_rtm_newroute+0x104/0x110 [ 2955.098378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.098378][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.098378][ T72] netlink_unicast+0x449/0x710 [ 2955.098378][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.098378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.098378][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.098378][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.098378][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.098378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.098378][ T72] [ 2955.100316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2955.100316][ T72] dst_init+0x84/0x4a0 [ 2955.100316][ T72] dst_alloc+0x97/0x150 [ 2955.100316][ T72] ip6_dst_alloc+0x23/0x90 [ 2955.100316][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2955.100316][ T72] ip6_pol_route+0x56f/0x840 [ 2955.100316][ T72] fib6_rule_lookup+0x456/0x630 [ 2955.100316][ T72] ip6_route_input+0x59c/0xa50 [ 2955.100316][ T72] ipv6_rcv+0x397/0x810 [ 2955.100316][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2955.100316][ T72] process_backlog+0x101/0x620 [ 2955.100316][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2955.100316][ T72] net_rx_action+0x495/0xbe0 [ 2955.100316][ T72] __do_softirq+0x1b5/0x7f6 [ 2955.100316][ T72] [ 2955.101903][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2955.101903][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.101903][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.101903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.101903][ T72] ip6_route_add+0x1c/0x140 [ 2955.101903][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2955.101903][ T72] inet6_addr_add+0x4f8/0xa40 [ 2955.101903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.101903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.101903][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.101903][ T72] netlink_unicast+0x449/0x710 [ 2955.101903][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.101903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.101903][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.101903][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.101903][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.101903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.101903][ T72] [ 2955.103838][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2955.103838][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.103838][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.103838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.103838][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2955.103838][ T72] ipv6_add_addr+0x411/0x2000 [ 2955.103838][ T72] inet6_addr_add+0x30e/0xa40 [ 2955.103838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.103838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.103838][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.103838][ T72] netlink_unicast+0x449/0x710 [ 2955.103838][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.103838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.103838][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.103838][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.103838][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.103838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.103838][ T72] [ 2955.105839][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2955.105839][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.105839][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.105839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.105839][ T72] ip6_route_add+0x1c/0x140 [ 2955.105839][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2955.105839][ T72] addrconf_add_dev+0xe2/0x170 [ 2955.105839][ T72] inet6_addr_add+0x12f/0xa40 [ 2955.105839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.105839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.105839][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.105839][ T72] netlink_unicast+0x449/0x710 [ 2955.105839][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.105839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.105839][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.105839][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.105839][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.105839][ T72] [ 2955.107799][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2955.107799][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2955.107799][ T72] ipv6_find_idev+0x102/0x170 [ 2955.107799][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.107799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.107799][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.107799][ T72] netlink_unicast+0x449/0x710 [ 2955.107799][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.107799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.107799][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.107799][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.107799][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.107799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.107799][ T72] [ 2955.109360][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2955.109360][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2955.109360][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2955.109360][ T72] ipv6_find_idev+0x102/0x170 [ 2955.109360][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.109360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.109360][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.109360][ T72] netlink_unicast+0x449/0x710 [ 2955.109360][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.109360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.109360][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.109360][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.109360][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.109360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.109360][ T72] [ 2955.111028][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2955.111297][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2955.111297][ T72] dst_init+0x84/0x4a0 [ 2955.111297][ T72] dst_alloc+0x97/0x150 [ 2955.111297][ T72] ip6_dst_alloc+0x23/0x90 [ 2955.111297][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2955.111297][ T72] ip6_pol_route+0x56f/0x840 [ 2955.111297][ T72] fib6_rule_lookup+0x456/0x630 [ 2955.111297][ T72] ip6_route_input+0x59c/0xa50 [ 2955.111297][ T72] ipv6_rcv+0x397/0x810 [ 2955.111297][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2955.111297][ T72] process_backlog+0x101/0x620 [ 2955.111297][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2955.111297][ T72] net_rx_action+0x495/0xbe0 [ 2955.111297][ T72] __do_softirq+0x1b5/0x7f6 [ 2955.111297][ T72] [ 2955.112931][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2955.112931][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.112931][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.112931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.112931][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2955.112931][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2955.112931][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2955.112931][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2955.112931][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2955.112931][ T72] addrconf_dad_begin+0x310/0x670 [ 2955.112931][ T72] addrconf_dad_work+0x10b/0xab0 [ 2955.112931][ T72] process_one_work+0x84d/0x18a0 [ 2955.112931][ T72] worker_thread+0x587/0xd30 [ 2955.112931][ T72] kthread+0x28a/0x350 [ 2955.112931][ T72] ret_from_fork+0x31/0x70 [ 2955.112931][ T72] ret_from_fork_asm+0x1a/0x30 [ 2955.112931][ T72] [ 2955.114834][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2955.114834][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.114834][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.114834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.114834][ T72] ip6_route_add+0x1c/0x140 [ 2955.114834][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2955.114834][ T72] inet6_addr_add+0x4f8/0xa40 [ 2955.114834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.114834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.114834][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.114834][ T72] netlink_unicast+0x449/0x710 [ 2955.114834][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.114834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.114834][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.114834][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.114834][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.114834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.114834][ T72] [ 2955.116803][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2955.116803][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.116803][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.116803][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.116803][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2955.116803][ T72] ipv6_add_addr+0x411/0x2000 [ 2955.116803][ T72] inet6_addr_add+0x30e/0xa40 [ 2955.116803][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.116803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.116803][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.116803][ T72] netlink_unicast+0x449/0x710 [ 2955.116803][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.116803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.116803][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.116803][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.116803][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.116803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.116803][ T72] [ 2955.118787][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2955.118787][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.118787][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.118787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.118787][ T72] ip6_route_add+0x1c/0x140 [ 2955.118787][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2955.118787][ T72] addrconf_add_dev+0xe2/0x170 [ 2955.118787][ T72] inet6_addr_add+0x12f/0xa40 [ 2955.118787][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.118787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.118787][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.118787][ T72] netlink_unicast+0x449/0x710 [ 2955.118787][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.118787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.118787][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.118787][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.118787][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.118787][ T72] [ 2955.120751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2955.120751][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2955.120751][ T72] ipv6_find_idev+0x102/0x170 [ 2955.120751][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.120751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.120751][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.120751][ T72] netlink_unicast+0x449/0x710 [ 2955.120751][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.120751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.120751][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.120751][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.120751][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.120751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.120751][ T72] [ 2955.122652][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2955.122652][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2955.122652][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2955.122652][ T72] ipv6_find_idev+0x102/0x170 [ 2955.122652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.122652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.122652][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.122652][ T72] netlink_unicast+0x449/0x710 [ 2955.122652][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.122652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.122652][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.122652][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.122652][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.122652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.122652][ T72] [ 2955.124479][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2955.124744][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2955.124744][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2955.124744][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2955.124744][ T72] fib6_nh_init+0xa22/0x1580 [ 2955.124744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.124744][ T72] ip6_route_add+0x1c/0x140 [ 2955.124744][ T72] inet6_rtm_newroute+0x104/0x110 [ 2955.124744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.124744][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.124744][ T72] netlink_unicast+0x449/0x710 [ 2955.124744][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.124744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.124744][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.124744][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.124744][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.124744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.124744][ T72] [ 2955.126828][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2955.126828][ T72] dst_init+0x84/0x4a0 [ 2955.126828][ T72] dst_alloc+0x97/0x150 [ 2955.126828][ T72] ip6_dst_alloc+0x23/0x90 [ 2955.126828][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2955.126828][ T72] ip6_pol_route+0x56f/0x840 [ 2955.126828][ T72] fib6_rule_lookup+0x456/0x630 [ 2955.126828][ T72] ip6_route_input+0x59c/0xa50 [ 2955.126828][ T72] ipv6_rcv+0x397/0x810 [ 2955.126828][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2955.126828][ T72] process_backlog+0x101/0x620 [ 2955.126828][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2955.126828][ T72] net_rx_action+0x495/0xbe0 [ 2955.126828][ T72] __do_softirq+0x1b5/0x7f6 [ 2955.126828][ T72] [ 2955.128669][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2955.128669][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.128669][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.128669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.128669][ T72] ip6_route_add+0x1c/0x140 [ 2955.128669][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2955.128669][ T72] inet6_addr_add+0x4f8/0xa40 [ 2955.128669][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.128669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.128669][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.128669][ T72] netlink_unicast+0x449/0x710 [ 2955.128669][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.128669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.128669][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.128669][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.128669][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.128669][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.128669][ T72] [ 2955.130833][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2955.130833][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.130833][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.130833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.130833][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2955.130833][ T72] ipv6_add_addr+0x411/0x2000 [ 2955.130833][ T72] inet6_addr_add+0x30e/0xa40 [ 2955.130833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.130833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.130833][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.130833][ T72] netlink_unicast+0x449/0x710 [ 2955.130833][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.130833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.130833][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.130833][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.130833][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.130833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.130833][ T72] [ 2955.133073][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2955.133073][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.133073][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.133073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.133073][ T72] ip6_route_add+0x1c/0x140 [ 2955.133073][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2955.133073][ T72] addrconf_add_dev+0xe2/0x170 [ 2955.133073][ T72] inet6_addr_add+0x12f/0xa40 [ 2955.133073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.133073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.133073][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.133073][ T72] netlink_unicast+0x449/0x710 [ 2955.133073][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.133073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.133073][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.133073][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.133073][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.133073][ T72] [ 2955.135320][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2955.135320][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2955.135320][ T72] ipv6_find_idev+0x102/0x170 [ 2955.135320][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.135320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.135320][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.135320][ T72] netlink_unicast+0x449/0x710 [ 2955.135320][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.135320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.135320][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.135320][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.135320][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.135320][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.135320][ T72] [ 2955.137025][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2955.137025][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2955.137025][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2955.137025][ T72] ipv6_find_idev+0x102/0x170 [ 2955.137025][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.137025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.137025][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.137025][ T72] netlink_unicast+0x449/0x710 [ 2955.137025][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.137025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.137025][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.137025][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.137025][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.137025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.137025][ T72] [ 2955.139246][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2955.139517][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2955.139517][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.139517][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.139517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.139517][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2955.139517][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2955.139517][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2955.139517][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2955.139517][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2955.139517][ T72] addrconf_dad_begin+0x310/0x670 [ 2955.139517][ T72] addrconf_dad_work+0x10b/0xab0 [ 2955.139517][ T72] process_one_work+0x84d/0x18a0 [ 2955.139517][ T72] worker_thread+0x587/0xd30 [ 2955.139517][ T72] kthread+0x28a/0x350 [ 2955.139517][ T72] ret_from_fork+0x31/0x70 [ 2955.139517][ T72] ret_from_fork_asm+0x1a/0x30 [ 2955.139517][ T72] [ 2955.141653][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2955.141653][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.141653][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.141653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.141653][ T72] ip6_route_add+0x1c/0x140 [ 2955.141653][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2955.141653][ T72] inet6_addr_add+0x4f8/0xa40 [ 2955.141653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.141653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.141653][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.141653][ T72] netlink_unicast+0x449/0x710 [ 2955.141653][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.141653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.141653][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.141653][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.141653][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.141653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.141653][ T72] [ 2955.143878][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2955.143878][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.143878][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.143878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.143878][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2955.143878][ T72] ipv6_add_addr+0x411/0x2000 [ 2955.143878][ T72] inet6_addr_add+0x30e/0xa40 [ 2955.143878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.143878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.143878][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.143878][ T72] netlink_unicast+0x449/0x710 [ 2955.143878][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.143878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.143878][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.143878][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.143878][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.143878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.143878][ T72] [ 2955.146154][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2955.146154][ T72] netdev_get_by_index+0x5e/0x80 [ 2955.146154][ T72] fib6_nh_init+0x3d8/0x1580 [ 2955.146154][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2955.146154][ T72] ip6_route_add+0x1c/0x140 [ 2955.146154][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2955.146154][ T72] addrconf_add_dev+0xe2/0x170 [ 2955.146154][ T72] inet6_addr_add+0x12f/0xa40 [ 2955.146154][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.146154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.146154][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.146154][ T72] netlink_unicast+0x449/0x710 [ 2955.146154][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.146154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.146154][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.146154][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.146154][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.146154][ T72] [ 2955.148287][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2955.148287][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2955.148287][ T72] ipv6_find_idev+0x102/0x170 [ 2955.148287][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.148287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.148287][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.148287][ T72] netlink_unicast+0x449/0x710 [ 2955.148287][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.148287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.148287][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.148287][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.148287][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.148287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.148287][ T72] [ 2955.150016][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2955.150016][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2955.150016][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2955.150016][ T72] ipv6_find_idev+0x102/0x170 [ 2955.150016][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.150016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.150016][ T72] netlink_rcv_skb+0x130/0x360 [ 2955.150016][ T72] netlink_unicast+0x449/0x710 [ 2955.150016][ T72] netlink_sendmsg+0x723/0xbe0 [ 2955.150016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2955.150016][ T72] ___sys_sendmsg+0xee/0x170 [ 2955.150016][ T72] __sys_sendmsg+0xcd/0x170 [ 2955.150016][ T72] do_syscall_64+0xc6/0x1e0 [ 2955.150016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.150016][ T72] [ 2965.393058][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2965.393794][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2965.393794][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2965.393794][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2965.393794][ T72] fib6_nh_init+0xa22/0x1580 [ 2965.393794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.393794][ T72] ip6_route_add+0x1c/0x140 [ 2965.393794][ T72] inet6_rtm_newroute+0x104/0x110 [ 2965.393794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.393794][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.393794][ T72] netlink_unicast+0x449/0x710 [ 2965.393794][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.393794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.393794][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.393794][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.393794][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.393794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.393794][ T72] [ 2965.395708][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2965.395708][ T72] dst_init+0x84/0x4a0 [ 2965.395708][ T72] dst_alloc+0x97/0x150 [ 2965.395708][ T72] ip6_dst_alloc+0x23/0x90 [ 2965.395708][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2965.395708][ T72] ip6_pol_route+0x56f/0x840 [ 2965.395708][ T72] fib6_rule_lookup+0x456/0x630 [ 2965.395708][ T72] ip6_route_input+0x59c/0xa50 [ 2965.395708][ T72] ipv6_rcv+0x397/0x810 [ 2965.395708][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2965.395708][ T72] process_backlog+0x101/0x620 [ 2965.395708][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2965.395708][ T72] net_rx_action+0x495/0xbe0 [ 2965.395708][ T72] __do_softirq+0x1b5/0x7f6 [ 2965.395708][ T72] [ 2965.397351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2965.397351][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.397351][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.397351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.397351][ T72] ip6_route_add+0x1c/0x140 [ 2965.397351][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2965.397351][ T72] inet6_addr_add+0x4f8/0xa40 [ 2965.397351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.397351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.397351][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.397351][ T72] netlink_unicast+0x449/0x710 [ 2965.397351][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.397351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.397351][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.397351][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.397351][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.397351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.397351][ T72] [ 2965.399312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2965.399312][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.399312][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.399312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.399312][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2965.399312][ T72] ipv6_add_addr+0x411/0x2000 [ 2965.399312][ T72] inet6_addr_add+0x30e/0xa40 [ 2965.399312][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.399312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.399312][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.399312][ T72] netlink_unicast+0x449/0x710 [ 2965.399312][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.399312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.399312][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.399312][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.399312][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.399312][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.399312][ T72] [ 2965.401290][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2965.401290][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.401290][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.401290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.401290][ T72] ip6_route_add+0x1c/0x140 [ 2965.401290][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2965.401290][ T72] addrconf_add_dev+0xe2/0x170 [ 2965.401290][ T72] inet6_addr_add+0x12f/0xa40 [ 2965.401290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.401290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.401290][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.401290][ T72] netlink_unicast+0x449/0x710 [ 2965.401290][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.401290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.401290][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.401290][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.401290][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.401290][ T72] [ 2965.403270][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2965.403270][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2965.403270][ T72] ipv6_find_idev+0x102/0x170 [ 2965.403270][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.403270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.403270][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.403270][ T72] netlink_unicast+0x449/0x710 [ 2965.403270][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.403270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.403270][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.403270][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.403270][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.403270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.403270][ T72] [ 2965.404862][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2965.404862][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2965.404862][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2965.404862][ T72] ipv6_find_idev+0x102/0x170 [ 2965.404862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.404862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.404862][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.404862][ T72] netlink_unicast+0x449/0x710 [ 2965.404862][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.404862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.404862][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.404862][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.404862][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.404862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.404862][ T72] [ 2965.406594][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2965.406898][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2965.406898][ T72] dst_init+0x84/0x4a0 [ 2965.406898][ T72] dst_alloc+0x97/0x150 [ 2965.406898][ T72] ip6_dst_alloc+0x23/0x90 [ 2965.406898][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2965.406898][ T72] ip6_pol_route+0x56f/0x840 [ 2965.406898][ T72] fib6_rule_lookup+0x456/0x630 [ 2965.406898][ T72] ip6_route_input+0x59c/0xa50 [ 2965.406898][ T72] ipv6_rcv+0x397/0x810 [ 2965.406898][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2965.406898][ T72] process_backlog+0x101/0x620 [ 2965.406898][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2965.406898][ T72] net_rx_action+0x495/0xbe0 [ 2965.406898][ T72] __do_softirq+0x1b5/0x7f6 [ 2965.406898][ T72] [ 2965.408567][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2965.408567][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.408567][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.408567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.408567][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2965.408567][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2965.408567][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2965.408567][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2965.408567][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2965.408567][ T72] addrconf_dad_begin+0x310/0x670 [ 2965.408567][ T72] addrconf_dad_work+0x10b/0xab0 [ 2965.408567][ T72] process_one_work+0x84d/0x18a0 [ 2965.408567][ T72] worker_thread+0x587/0xd30 [ 2965.408567][ T72] kthread+0x28a/0x350 [ 2965.408567][ T72] ret_from_fork+0x31/0x70 [ 2965.408567][ T72] ret_from_fork_asm+0x1a/0x30 [ 2965.408567][ T72] [ 2965.410600][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2965.410600][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.410600][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.410600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.410600][ T72] ip6_route_add+0x1c/0x140 [ 2965.410600][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2965.410600][ T72] inet6_addr_add+0x4f8/0xa40 [ 2965.410600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.410600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.410600][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.410600][ T72] netlink_unicast+0x449/0x710 [ 2965.410600][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.410600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.410600][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.410600][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.410600][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.410600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.410600][ T72] [ 2965.412626][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2965.412626][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.412626][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.412626][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.412626][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2965.412626][ T72] ipv6_add_addr+0x411/0x2000 [ 2965.412626][ T72] inet6_addr_add+0x30e/0xa40 [ 2965.412626][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.412626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.412626][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.412626][ T72] netlink_unicast+0x449/0x710 [ 2965.412626][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.412626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.412626][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.412626][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.412626][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.412626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.412626][ T72] [ 2965.414669][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2965.414669][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.414669][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.414669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.414669][ T72] ip6_route_add+0x1c/0x140 [ 2965.414669][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2965.414669][ T72] addrconf_add_dev+0xe2/0x170 [ 2965.414669][ T72] inet6_addr_add+0x12f/0xa40 [ 2965.414669][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.414669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.414669][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.414669][ T72] netlink_unicast+0x449/0x710 [ 2965.414669][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.414669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.414669][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.414669][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.414669][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.414669][ T72] [ 2965.416671][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2965.416671][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2965.416671][ T72] ipv6_find_idev+0x102/0x170 [ 2965.416671][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.416671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.416671][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.416671][ T72] netlink_unicast+0x449/0x710 [ 2965.416671][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.416671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.416671][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.416671][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.416671][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.416671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.416671][ T72] [ 2965.418189][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2965.418189][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2965.418189][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2965.418189][ T72] ipv6_find_idev+0x102/0x170 [ 2965.418189][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.418189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.418189][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.418189][ T72] netlink_unicast+0x449/0x710 [ 2965.418189][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.418189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.418189][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.418189][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.418189][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.418189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.418189][ T72] [ 2965.420006][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2965.420277][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2965.420277][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2965.420277][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2965.420277][ T72] fib6_nh_init+0xa22/0x1580 [ 2965.420277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.420277][ T72] ip6_route_add+0x1c/0x140 [ 2965.420277][ T72] inet6_rtm_newroute+0x104/0x110 [ 2965.420277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.420277][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.420277][ T72] netlink_unicast+0x449/0x710 [ 2965.420277][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.420277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.420277][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.420277][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.420277][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.420277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.420277][ T72] [ 2965.422463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2965.422463][ T72] dst_init+0x84/0x4a0 [ 2965.422463][ T72] dst_alloc+0x97/0x150 [ 2965.422463][ T72] ip6_dst_alloc+0x23/0x90 [ 2965.422463][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2965.422463][ T72] ip6_pol_route+0x56f/0x840 [ 2965.422463][ T72] fib6_rule_lookup+0x456/0x630 [ 2965.422463][ T72] ip6_route_input+0x59c/0xa50 [ 2965.422463][ T72] ipv6_rcv+0x397/0x810 [ 2965.422463][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2965.422463][ T72] process_backlog+0x101/0x620 [ 2965.422463][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2965.422463][ T72] net_rx_action+0x495/0xbe0 [ 2965.422463][ T72] __do_softirq+0x1b5/0x7f6 [ 2965.422463][ T72] [ 2965.424308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2965.424308][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.424308][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.424308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.424308][ T72] ip6_route_add+0x1c/0x140 [ 2965.424308][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2965.424308][ T72] inet6_addr_add+0x4f8/0xa40 [ 2965.424308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.424308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.424308][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.424308][ T72] netlink_unicast+0x449/0x710 [ 2965.424308][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.424308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.424308][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.424308][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.424308][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.424308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.424308][ T72] [ 2965.426497][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2965.426497][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.426497][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.426497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.426497][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2965.426497][ T72] ipv6_add_addr+0x411/0x2000 [ 2965.426497][ T72] inet6_addr_add+0x30e/0xa40 [ 2965.426497][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.426497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.426497][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.426497][ T72] netlink_unicast+0x449/0x710 [ 2965.426497][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.426497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.426497][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.426497][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.426497][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.426497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.426497][ T72] [ 2965.428560][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2965.428560][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.428560][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.428560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.428560][ T72] ip6_route_add+0x1c/0x140 [ 2965.428560][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2965.428560][ T72] addrconf_add_dev+0xe2/0x170 [ 2965.428560][ T72] inet6_addr_add+0x12f/0xa40 [ 2965.428560][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.428560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.428560][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.428560][ T72] netlink_unicast+0x449/0x710 [ 2965.428560][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.428560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.428560][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.428560][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.428560][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.428560][ T72] [ 2965.430656][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2965.430656][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2965.430656][ T72] ipv6_find_idev+0x102/0x170 [ 2965.430656][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.430656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.430656][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.430656][ T72] netlink_unicast+0x449/0x710 [ 2965.430656][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.430656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.430656][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.430656][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.430656][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.430656][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.430656][ T72] [ 2965.432258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2965.432258][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2965.432258][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2965.432258][ T72] ipv6_find_idev+0x102/0x170 [ 2965.432258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.432258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.432258][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.432258][ T72] netlink_unicast+0x449/0x710 [ 2965.432258][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.432258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.432258][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.432258][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.432258][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.432258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.432258][ T72] [ 2965.434078][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2965.434351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2965.434351][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.434351][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.434351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.434351][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2965.434351][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2965.434351][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2965.434351][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2965.434351][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2965.434351][ T72] addrconf_dad_begin+0x310/0x670 [ 2965.434351][ T72] addrconf_dad_work+0x10b/0xab0 [ 2965.434351][ T72] process_one_work+0x84d/0x18a0 [ 2965.434351][ T72] worker_thread+0x587/0xd30 [ 2965.434351][ T72] kthread+0x28a/0x350 [ 2965.434351][ T72] ret_from_fork+0x31/0x70 [ 2965.434351][ T72] ret_from_fork_asm+0x1a/0x30 [ 2965.434351][ T72] [ 2965.436401][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2965.436401][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.436401][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.436401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.436401][ T72] ip6_route_add+0x1c/0x140 [ 2965.436401][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2965.436401][ T72] inet6_addr_add+0x4f8/0xa40 [ 2965.436401][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.436401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.436401][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.436401][ T72] netlink_unicast+0x449/0x710 [ 2965.436401][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.436401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.436401][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.436401][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.436401][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.436401][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.436401][ T72] [ 2965.438544][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2965.438544][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.438544][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.438544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.438544][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2965.438544][ T72] ipv6_add_addr+0x411/0x2000 [ 2965.438544][ T72] inet6_addr_add+0x30e/0xa40 [ 2965.438544][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.438544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.438544][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.438544][ T72] netlink_unicast+0x449/0x710 [ 2965.438544][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.438544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.438544][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.438544][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.438544][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.438544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.438544][ T72] [ 2965.440694][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2965.440694][ T72] netdev_get_by_index+0x5e/0x80 [ 2965.440694][ T72] fib6_nh_init+0x3d8/0x1580 [ 2965.440694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2965.440694][ T72] ip6_route_add+0x1c/0x140 [ 2965.440694][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2965.440694][ T72] addrconf_add_dev+0xe2/0x170 [ 2965.440694][ T72] inet6_addr_add+0x12f/0xa40 [ 2965.440694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.440694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.440694][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.440694][ T72] netlink_unicast+0x449/0x710 [ 2965.440694][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.440694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.440694][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.440694][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.440694][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.440694][ T72] [ 2965.442801][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2965.442801][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2965.442801][ T72] ipv6_find_idev+0x102/0x170 [ 2965.442801][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.442801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.442801][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.442801][ T72] netlink_unicast+0x449/0x710 [ 2965.442801][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.442801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.442801][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.442801][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.442801][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.442801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.442801][ T72] [ 2965.444433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2965.444433][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2965.444433][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2965.444433][ T72] ipv6_find_idev+0x102/0x170 [ 2965.444433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.444433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.444433][ T72] netlink_rcv_skb+0x130/0x360 [ 2965.444433][ T72] netlink_unicast+0x449/0x710 [ 2965.444433][ T72] netlink_sendmsg+0x723/0xbe0 [ 2965.444433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2965.444433][ T72] ___sys_sendmsg+0xee/0x170 [ 2965.444433][ T72] __sys_sendmsg+0xcd/0x170 [ 2965.444433][ T72] do_syscall_64+0xc6/0x1e0 [ 2965.444433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.444433][ T72] [ 2975.609000][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2975.609599][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2975.609599][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2975.609599][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2975.609599][ T72] fib6_nh_init+0xa22/0x1580 [ 2975.609599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.609599][ T72] ip6_route_add+0x1c/0x140 [ 2975.609599][ T72] inet6_rtm_newroute+0x104/0x110 [ 2975.609599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.609599][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.609599][ T72] netlink_unicast+0x449/0x710 [ 2975.609599][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.609599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.609599][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.609599][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.609599][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.609599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.609599][ T72] [ 2975.611546][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2975.611546][ T72] dst_init+0x84/0x4a0 [ 2975.611546][ T72] dst_alloc+0x97/0x150 [ 2975.611546][ T72] ip6_dst_alloc+0x23/0x90 [ 2975.611546][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2975.611546][ T72] ip6_pol_route+0x56f/0x840 [ 2975.611546][ T72] fib6_rule_lookup+0x456/0x630 [ 2975.611546][ T72] ip6_route_input+0x59c/0xa50 [ 2975.611546][ T72] ipv6_rcv+0x397/0x810 [ 2975.611546][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2975.611546][ T72] process_backlog+0x101/0x620 [ 2975.611546][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2975.611546][ T72] net_rx_action+0x495/0xbe0 [ 2975.611546][ T72] __do_softirq+0x1b5/0x7f6 [ 2975.611546][ T72] [ 2975.613088][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2975.613088][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.613088][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.613088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.613088][ T72] ip6_route_add+0x1c/0x140 [ 2975.613088][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2975.613088][ T72] inet6_addr_add+0x4f8/0xa40 [ 2975.613088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.613088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.613088][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.613088][ T72] netlink_unicast+0x449/0x710 [ 2975.613088][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.613088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.613088][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.613088][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.613088][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.613088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.613088][ T72] [ 2975.615062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2975.615062][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.615062][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.615062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.615062][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2975.615062][ T72] ipv6_add_addr+0x411/0x2000 [ 2975.615062][ T72] inet6_addr_add+0x30e/0xa40 [ 2975.615062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.615062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.615062][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.615062][ T72] netlink_unicast+0x449/0x710 [ 2975.615062][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.615062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.615062][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.615062][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.615062][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.615062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.615062][ T72] [ 2975.617131][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2975.617131][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.617131][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.617131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.617131][ T72] ip6_route_add+0x1c/0x140 [ 2975.617131][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2975.617131][ T72] addrconf_add_dev+0xe2/0x170 [ 2975.617131][ T72] inet6_addr_add+0x12f/0xa40 [ 2975.617131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.617131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.617131][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.617131][ T72] netlink_unicast+0x449/0x710 [ 2975.617131][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.617131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.617131][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.617131][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.617131][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.617131][ T72] [ 2975.619071][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2975.619071][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2975.619071][ T72] ipv6_find_idev+0x102/0x170 [ 2975.619071][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2975.619071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.619071][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.619071][ T72] netlink_unicast+0x449/0x710 [ 2975.619071][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.619071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.619071][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.619071][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.619071][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.619071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.619071][ T72] [ 2975.620526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2975.620526][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2975.620526][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2975.620526][ T72] ipv6_find_idev+0x102/0x170 [ 2975.620526][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2975.620526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.620526][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.620526][ T72] netlink_unicast+0x449/0x710 [ 2975.620526][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.620526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.620526][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.620526][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.620526][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.620526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.620526][ T72] [ 2975.622186][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2975.622461][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2975.622461][ T72] dst_init+0x84/0x4a0 [ 2975.622461][ T72] dst_alloc+0x97/0x150 [ 2975.622461][ T72] ip6_dst_alloc+0x23/0x90 [ 2975.622461][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2975.622461][ T72] ip6_pol_route+0x56f/0x840 [ 2975.622461][ T72] fib6_rule_lookup+0x456/0x630 [ 2975.622461][ T72] ip6_route_input+0x59c/0xa50 [ 2975.622461][ T72] ipv6_rcv+0x397/0x810 [ 2975.622461][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2975.622461][ T72] process_backlog+0x101/0x620 [ 2975.622461][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2975.622461][ T72] net_rx_action+0x495/0xbe0 [ 2975.622461][ T72] __do_softirq+0x1b5/0x7f6 [ 2975.622461][ T72] [ 2975.624131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2975.624131][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.624131][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.624131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.624131][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2975.624131][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2975.624131][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2975.624131][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2975.624131][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2975.624131][ T72] addrconf_dad_begin+0x310/0x670 [ 2975.624131][ T72] addrconf_dad_work+0x10b/0xab0 [ 2975.624131][ T72] process_one_work+0x84d/0x18a0 [ 2975.624131][ T72] worker_thread+0x587/0xd30 [ 2975.624131][ T72] kthread+0x28a/0x350 [ 2975.624131][ T72] ret_from_fork+0x31/0x70 [ 2975.624131][ T72] ret_from_fork_asm+0x1a/0x30 [ 2975.624131][ T72] [ 2975.625975][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2975.625975][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.625975][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.625975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.625975][ T72] ip6_route_add+0x1c/0x140 [ 2975.625975][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2975.625975][ T72] inet6_addr_add+0x4f8/0xa40 [ 2975.625975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.625975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.625975][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.625975][ T72] netlink_unicast+0x449/0x710 [ 2975.625975][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.625975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.625975][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.625975][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.625975][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.625975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.625975][ T72] [ 2975.627890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2975.627890][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.627890][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.627890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.627890][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2975.627890][ T72] ipv6_add_addr+0x411/0x2000 [ 2975.627890][ T72] inet6_addr_add+0x30e/0xa40 [ 2975.627890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.627890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.627890][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.627890][ T72] netlink_unicast+0x449/0x710 [ 2975.627890][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.627890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.627890][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.627890][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.627890][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.627890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.627890][ T72] [ 2975.629799][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2975.629799][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.629799][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.629799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.629799][ T72] ip6_route_add+0x1c/0x140 [ 2975.629799][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2975.629799][ T72] addrconf_add_dev+0xe2/0x170 [ 2975.629799][ T72] inet6_addr_add+0x12f/0xa40 [ 2975.629799][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.629799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.629799][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.629799][ T72] netlink_unicast+0x449/0x710 [ 2975.629799][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.629799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.629799][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.629799][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.629799][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.629799][ T72] [ 2975.631784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2975.631784][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2975.631784][ T72] ipv6_find_idev+0x102/0x170 [ 2975.631784][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2975.631784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.631784][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.631784][ T72] netlink_unicast+0x449/0x710 [ 2975.631784][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.631784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.631784][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.631784][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.631784][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.631784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.631784][ T72] [ 2975.633330][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2975.633330][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2975.633330][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2975.633330][ T72] ipv6_find_idev+0x102/0x170 [ 2975.633330][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2975.633330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.633330][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.633330][ T72] netlink_unicast+0x449/0x710 [ 2975.633330][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.633330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.633330][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.633330][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.633330][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.633330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.633330][ T72] [ 2975.635168][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2975.635460][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2975.635460][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2975.635460][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2975.635460][ T72] fib6_nh_init+0xa22/0x1580 [ 2975.635460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.635460][ T72] ip6_route_add+0x1c/0x140 [ 2975.635460][ T72] inet6_rtm_newroute+0x104/0x110 [ 2975.635460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.635460][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.635460][ T72] netlink_unicast+0x449/0x710 [ 2975.635460][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.635460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.635460][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.635460][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.635460][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.635460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.635460][ T72] [ 2975.637571][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2975.637571][ T72] dst_init+0x84/0x4a0 [ 2975.637571][ T72] dst_alloc+0x97/0x150 [ 2975.637571][ T72] ip6_dst_alloc+0x23/0x90 [ 2975.637571][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2975.637571][ T72] ip6_pol_route+0x56f/0x840 [ 2975.637571][ T72] fib6_rule_lookup+0x456/0x630 [ 2975.637571][ T72] ip6_route_input+0x59c/0xa50 [ 2975.637571][ T72] ipv6_rcv+0x397/0x810 [ 2975.637571][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2975.637571][ T72] process_backlog+0x101/0x620 [ 2975.637571][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2975.637571][ T72] net_rx_action+0x495/0xbe0 [ 2975.637571][ T72] __do_softirq+0x1b5/0x7f6 [ 2975.637571][ T72] [ 2975.639400][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2975.639400][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.639400][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.639400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.639400][ T72] ip6_route_add+0x1c/0x140 [ 2975.639400][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2975.639400][ T72] inet6_addr_add+0x4f8/0xa40 [ 2975.639400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.639400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.639400][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.639400][ T72] netlink_unicast+0x449/0x710 [ 2975.639400][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.639400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.639400][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.639400][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.639400][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.639400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.639400][ T72] [ 2975.641706][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2975.641706][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.641706][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.641706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.641706][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2975.641706][ T72] ipv6_add_addr+0x411/0x2000 [ 2975.641706][ T72] inet6_addr_add+0x30e/0xa40 [ 2975.641706][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.641706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.641706][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.641706][ T72] netlink_unicast+0x449/0x710 [ 2975.641706][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.641706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.641706][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.641706][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.641706][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.641706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.641706][ T72] [ 2975.643892][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2975.643892][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.643892][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.643892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.643892][ T72] ip6_route_add+0x1c/0x140 [ 2975.643892][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2975.643892][ T72] addrconf_add_dev+0xe2/0x170 [ 2975.643892][ T72] inet6_addr_add+0x12f/0xa40 [ 2975.643892][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.643892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.643892][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.643892][ T72] netlink_unicast+0x449/0x710 [ 2975.643892][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.643892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.643892][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.643892][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.643892][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.643892][ T72] [ 2975.646094][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2975.646094][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2975.646094][ T72] ipv6_find_idev+0x102/0x170 [ 2975.646094][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2975.646094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.646094][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.646094][ T72] netlink_unicast+0x449/0x710 [ 2975.646094][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.646094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.646094][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.646094][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.646094][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.646094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.646094][ T72] [ 2975.647834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2975.647834][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2975.647834][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2975.647834][ T72] ipv6_find_idev+0x102/0x170 [ 2975.647834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2975.647834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.647834][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.647834][ T72] netlink_unicast+0x449/0x710 [ 2975.647834][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.647834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.647834][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.647834][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.647834][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.647834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.647834][ T72] [ 2975.649847][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2975.650126][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2975.650126][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.650126][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.650126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.650126][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2975.650126][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2975.650126][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2975.650126][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2975.650126][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2975.650126][ T72] addrconf_dad_begin+0x310/0x670 [ 2975.650126][ T72] addrconf_dad_work+0x10b/0xab0 [ 2975.650126][ T72] process_one_work+0x84d/0x18a0 [ 2975.650126][ T72] worker_thread+0x587/0xd30 [ 2975.650126][ T72] kthread+0x28a/0x350 [ 2975.650126][ T72] ret_from_fork+0x31/0x70 [ 2975.650126][ T72] ret_from_fork_asm+0x1a/0x30 [ 2975.650126][ T72] [ 2975.652300][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2975.652300][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.652300][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.652300][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.652300][ T72] ip6_route_add+0x1c/0x140 [ 2975.652300][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2975.652300][ T72] inet6_addr_add+0x4f8/0xa40 [ 2975.652300][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.652300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.652300][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.652300][ T72] netlink_unicast+0x449/0x710 [ 2975.652300][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.652300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.652300][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.652300][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.652300][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.652300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.652300][ T72] [ 2975.654467][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2975.654467][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.654467][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.654467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.654467][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2975.654467][ T72] ipv6_add_addr+0x411/0x2000 [ 2975.654467][ T72] inet6_addr_add+0x30e/0xa40 [ 2975.654467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.654467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.654467][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.654467][ T72] netlink_unicast+0x449/0x710 [ 2975.654467][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.654467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.654467][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.654467][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.654467][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.654467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.654467][ T72] [ 2975.656695][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2975.656695][ T72] netdev_get_by_index+0x5e/0x80 [ 2975.656695][ T72] fib6_nh_init+0x3d8/0x1580 [ 2975.656695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2975.656695][ T72] ip6_route_add+0x1c/0x140 [ 2975.656695][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2975.656695][ T72] addrconf_add_dev+0xe2/0x170 [ 2975.656695][ T72] inet6_addr_add+0x12f/0xa40 [ 2975.656695][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2975.656695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.656695][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.656695][ T72] netlink_unicast+0x449/0x710 [ 2975.656695][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.656695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.656695][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.656695][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.656695][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.656695][ T72] [ 2975.658898][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2975.658898][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2975.658898][ T72] ipv6_find_idev+0x102/0x170 [ 2975.658898][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2975.658898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.658898][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.658898][ T72] netlink_unicast+0x449/0x710 [ 2975.658898][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.658898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.658898][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.658898][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.658898][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.658898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.658898][ T72] [ 2975.660673][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2975.660673][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2975.660673][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2975.660673][ T72] ipv6_find_idev+0x102/0x170 [ 2975.660673][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2975.660673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2975.660673][ T72] netlink_rcv_skb+0x130/0x360 [ 2975.660673][ T72] netlink_unicast+0x449/0x710 [ 2975.660673][ T72] netlink_sendmsg+0x723/0xbe0 [ 2975.660673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2975.660673][ T72] ___sys_sendmsg+0xee/0x170 [ 2975.660673][ T72] __sys_sendmsg+0xcd/0x170 [ 2975.660673][ T72] do_syscall_64+0xc6/0x1e0 [ 2975.660673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2975.660673][ T72] [ 2985.912980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2985.913468][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2985.913468][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2985.913468][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2985.913468][ T72] fib6_nh_init+0xa22/0x1580 [ 2985.913468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.913468][ T72] ip6_route_add+0x1c/0x140 [ 2985.913468][ T72] inet6_rtm_newroute+0x104/0x110 [ 2985.913468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.913468][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.913468][ T72] netlink_unicast+0x449/0x710 [ 2985.913468][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.913468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.913468][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.913468][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.913468][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.913468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.913468][ T72] [ 2985.915369][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2985.915369][ T72] dst_init+0x84/0x4a0 [ 2985.915369][ T72] dst_alloc+0x97/0x150 [ 2985.915369][ T72] ip6_dst_alloc+0x23/0x90 [ 2985.915369][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2985.915369][ T72] ip6_pol_route+0x56f/0x840 [ 2985.915369][ T72] fib6_rule_lookup+0x456/0x630 [ 2985.915369][ T72] ip6_route_input+0x59c/0xa50 [ 2985.915369][ T72] ipv6_rcv+0x397/0x810 [ 2985.915369][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2985.915369][ T72] process_backlog+0x101/0x620 [ 2985.915369][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2985.915369][ T72] net_rx_action+0x495/0xbe0 [ 2985.915369][ T72] __do_softirq+0x1b5/0x7f6 [ 2985.915369][ T72] [ 2985.916962][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2985.916962][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.916962][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.916962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.916962][ T72] ip6_route_add+0x1c/0x140 [ 2985.916962][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2985.916962][ T72] inet6_addr_add+0x4f8/0xa40 [ 2985.916962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.916962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.916962][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.916962][ T72] netlink_unicast+0x449/0x710 [ 2985.916962][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.916962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.916962][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.916962][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.916962][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.916962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.916962][ T72] [ 2985.918943][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2985.918943][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.918943][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.918943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.918943][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2985.918943][ T72] ipv6_add_addr+0x411/0x2000 [ 2985.918943][ T72] inet6_addr_add+0x30e/0xa40 [ 2985.918943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.918943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.918943][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.918943][ T72] netlink_unicast+0x449/0x710 [ 2985.918943][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.918943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.918943][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.918943][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.918943][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.918943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.918943][ T72] [ 2985.920898][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2985.920898][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.920898][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.920898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.920898][ T72] ip6_route_add+0x1c/0x140 [ 2985.920898][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2985.920898][ T72] addrconf_add_dev+0xe2/0x170 [ 2985.920898][ T72] inet6_addr_add+0x12f/0xa40 [ 2985.920898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.920898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.920898][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.920898][ T72] netlink_unicast+0x449/0x710 [ 2985.920898][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.920898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.920898][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.920898][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.920898][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.920898][ T72] [ 2985.922848][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2985.922848][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2985.922848][ T72] ipv6_find_idev+0x102/0x170 [ 2985.922848][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2985.922848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.922848][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.922848][ T72] netlink_unicast+0x449/0x710 [ 2985.922848][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.922848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.922848][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.922848][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.922848][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.922848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.922848][ T72] [ 2985.924348][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2985.924348][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2985.924348][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2985.924348][ T72] ipv6_find_idev+0x102/0x170 [ 2985.924348][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2985.924348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.924348][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.924348][ T72] netlink_unicast+0x449/0x710 [ 2985.924348][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.924348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.924348][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.924348][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.924348][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.924348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.924348][ T72] [ 2985.925986][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2985.926269][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2985.926269][ T72] dst_init+0x84/0x4a0 [ 2985.926269][ T72] dst_alloc+0x97/0x150 [ 2985.926269][ T72] ip6_dst_alloc+0x23/0x90 [ 2985.926269][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2985.926269][ T72] ip6_pol_route+0x56f/0x840 [ 2985.926269][ T72] fib6_rule_lookup+0x456/0x630 [ 2985.926269][ T72] ip6_route_input+0x59c/0xa50 [ 2985.926269][ T72] ipv6_rcv+0x397/0x810 [ 2985.926269][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2985.926269][ T72] process_backlog+0x101/0x620 [ 2985.926269][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2985.926269][ T72] net_rx_action+0x495/0xbe0 [ 2985.926269][ T72] __do_softirq+0x1b5/0x7f6 [ 2985.926269][ T72] [ 2985.927890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2985.927890][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.927890][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.927890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.927890][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2985.927890][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2985.927890][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2985.927890][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2985.927890][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2985.927890][ T72] addrconf_dad_begin+0x310/0x670 [ 2985.927890][ T72] addrconf_dad_work+0x10b/0xab0 [ 2985.927890][ T72] process_one_work+0x84d/0x18a0 [ 2985.927890][ T72] worker_thread+0x587/0xd30 [ 2985.927890][ T72] kthread+0x28a/0x350 [ 2985.927890][ T72] ret_from_fork+0x31/0x70 [ 2985.927890][ T72] ret_from_fork_asm+0x1a/0x30 [ 2985.927890][ T72] [ 2985.929781][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2985.929781][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.929781][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.929781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.929781][ T72] ip6_route_add+0x1c/0x140 [ 2985.929781][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2985.929781][ T72] inet6_addr_add+0x4f8/0xa40 [ 2985.929781][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.929781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.929781][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.929781][ T72] netlink_unicast+0x449/0x710 [ 2985.929781][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.929781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.929781][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.929781][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.929781][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.929781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.929781][ T72] [ 2985.931788][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2985.931788][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.931788][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.931788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.931788][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2985.931788][ T72] ipv6_add_addr+0x411/0x2000 [ 2985.931788][ T72] inet6_addr_add+0x30e/0xa40 [ 2985.931788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.931788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.931788][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.931788][ T72] netlink_unicast+0x449/0x710 [ 2985.931788][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.931788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.931788][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.931788][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.931788][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.931788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.931788][ T72] [ 2985.933781][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2985.933781][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.933781][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.933781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.933781][ T72] ip6_route_add+0x1c/0x140 [ 2985.933781][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2985.933781][ T72] addrconf_add_dev+0xe2/0x170 [ 2985.933781][ T72] inet6_addr_add+0x12f/0xa40 [ 2985.933781][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.933781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.933781][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.933781][ T72] netlink_unicast+0x449/0x710 [ 2985.933781][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.933781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.933781][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.933781][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.933781][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.933781][ T72] [ 2985.935726][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2985.935726][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2985.935726][ T72] ipv6_find_idev+0x102/0x170 [ 2985.935726][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2985.935726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.935726][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.935726][ T72] netlink_unicast+0x449/0x710 [ 2985.935726][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.935726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.935726][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.935726][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.935726][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.935726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.935726][ T72] [ 2985.937260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2985.937260][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2985.937260][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2985.937260][ T72] ipv6_find_idev+0x102/0x170 [ 2985.937260][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2985.937260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.937260][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.937260][ T72] netlink_unicast+0x449/0x710 [ 2985.937260][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.937260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.937260][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.937260][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.937260][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.937260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.937260][ T72] [ 2985.939100][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2985.939390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2985.939390][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2985.939390][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2985.939390][ T72] fib6_nh_init+0xa22/0x1580 [ 2985.939390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.939390][ T72] ip6_route_add+0x1c/0x140 [ 2985.939390][ T72] inet6_rtm_newroute+0x104/0x110 [ 2985.939390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.939390][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.939390][ T72] netlink_unicast+0x449/0x710 [ 2985.939390][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.939390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.939390][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.939390][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.939390][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.939390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.939390][ T72] [ 2985.942063][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2985.942063][ T72] dst_init+0x84/0x4a0 [ 2985.942063][ T72] dst_alloc+0x97/0x150 [ 2985.942063][ T72] ip6_dst_alloc+0x23/0x90 [ 2985.942063][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2985.942063][ T72] ip6_pol_route+0x56f/0x840 [ 2985.942063][ T72] fib6_rule_lookup+0x456/0x630 [ 2985.942063][ T72] ip6_route_input+0x59c/0xa50 [ 2985.942063][ T72] ipv6_rcv+0x397/0x810 [ 2985.942063][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2985.942063][ T72] process_backlog+0x101/0x620 [ 2985.942063][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2985.942063][ T72] net_rx_action+0x495/0xbe0 [ 2985.942063][ T72] __do_softirq+0x1b5/0x7f6 [ 2985.942063][ T72] [ 2985.943920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2985.943920][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.943920][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.943920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.943920][ T72] ip6_route_add+0x1c/0x140 [ 2985.943920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2985.943920][ T72] inet6_addr_add+0x4f8/0xa40 [ 2985.943920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.943920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.943920][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.943920][ T72] netlink_unicast+0x449/0x710 [ 2985.943920][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.943920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.943920][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.943920][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.943920][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.943920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.943920][ T72] [ 2985.946094][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2985.946094][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.946094][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.946094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.946094][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2985.946094][ T72] ipv6_add_addr+0x411/0x2000 [ 2985.946094][ T72] inet6_addr_add+0x30e/0xa40 [ 2985.946094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.946094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.946094][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.946094][ T72] netlink_unicast+0x449/0x710 [ 2985.946094][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.946094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.946094][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.946094][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.946094][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.946094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.946094][ T72] [ 2985.948299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2985.948299][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.948299][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.948299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.948299][ T72] ip6_route_add+0x1c/0x140 [ 2985.948299][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2985.948299][ T72] addrconf_add_dev+0xe2/0x170 [ 2985.948299][ T72] inet6_addr_add+0x12f/0xa40 [ 2985.948299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.948299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.948299][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.948299][ T72] netlink_unicast+0x449/0x710 [ 2985.948299][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.948299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.948299][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.948299][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.948299][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.948299][ T72] [ 2985.950640][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2985.950640][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2985.950640][ T72] ipv6_find_idev+0x102/0x170 [ 2985.950640][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2985.950640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.950640][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.950640][ T72] netlink_unicast+0x449/0x710 [ 2985.950640][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.950640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.950640][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.950640][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.950640][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.950640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.950640][ T72] [ 2985.952349][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2985.952349][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2985.952349][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2985.952349][ T72] ipv6_find_idev+0x102/0x170 [ 2985.952349][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2985.952349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.952349][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.952349][ T72] netlink_unicast+0x449/0x710 [ 2985.952349][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.952349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.952349][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.952349][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.952349][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.952349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.952349][ T72] [ 2985.954204][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2985.954540][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2985.954540][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.954540][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.954540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.954540][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2985.954540][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2985.954540][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2985.954540][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2985.954540][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2985.954540][ T72] addrconf_dad_begin+0x310/0x670 [ 2985.954540][ T72] addrconf_dad_work+0x10b/0xab0 [ 2985.954540][ T72] process_one_work+0x84d/0x18a0 [ 2985.954540][ T72] worker_thread+0x587/0xd30 [ 2985.954540][ T72] kthread+0x28a/0x350 [ 2985.954540][ T72] ret_from_fork+0x31/0x70 [ 2985.954540][ T72] ret_from_fork_asm+0x1a/0x30 [ 2985.954540][ T72] [ 2985.956553][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2985.956553][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.956553][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.956553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.956553][ T72] ip6_route_add+0x1c/0x140 [ 2985.956553][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2985.956553][ T72] inet6_addr_add+0x4f8/0xa40 [ 2985.956553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.956553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.956553][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.956553][ T72] netlink_unicast+0x449/0x710 [ 2985.956553][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.956553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.956553][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.956553][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.956553][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.956553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.956553][ T72] [ 2985.958771][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2985.958771][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.958771][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.958771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.958771][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2985.958771][ T72] ipv6_add_addr+0x411/0x2000 [ 2985.958771][ T72] inet6_addr_add+0x30e/0xa40 [ 2985.958771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.958771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.958771][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.958771][ T72] netlink_unicast+0x449/0x710 [ 2985.958771][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.958771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.958771][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.958771][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.958771][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.958771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.958771][ T72] [ 2985.961433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2985.961433][ T72] netdev_get_by_index+0x5e/0x80 [ 2985.961433][ T72] fib6_nh_init+0x3d8/0x1580 [ 2985.961433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2985.961433][ T72] ip6_route_add+0x1c/0x140 [ 2985.961433][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2985.961433][ T72] addrconf_add_dev+0xe2/0x170 [ 2985.961433][ T72] inet6_addr_add+0x12f/0xa40 [ 2985.961433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2985.961433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.961433][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.961433][ T72] netlink_unicast+0x449/0x710 [ 2985.961433][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.961433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.961433][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.961433][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.961433][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.961433][ T72] [ 2985.963620][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2985.963620][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2985.963620][ T72] ipv6_find_idev+0x102/0x170 [ 2985.963620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2985.963620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.963620][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.963620][ T72] netlink_unicast+0x449/0x710 [ 2985.963620][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.963620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.963620][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.963620][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.963620][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.963620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.963620][ T72] [ 2985.965332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2985.965332][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2985.965332][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2985.965332][ T72] ipv6_find_idev+0x102/0x170 [ 2985.965332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2985.965332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2985.965332][ T72] netlink_rcv_skb+0x130/0x360 [ 2985.965332][ T72] netlink_unicast+0x449/0x710 [ 2985.965332][ T72] netlink_sendmsg+0x723/0xbe0 [ 2985.965332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2985.965332][ T72] ___sys_sendmsg+0xee/0x170 [ 2985.965332][ T72] __sys_sendmsg+0xcd/0x170 [ 2985.965332][ T72] do_syscall_64+0xc6/0x1e0 [ 2985.965332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2985.965332][ T72] [ 2996.208994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 2996.209553][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2996.209553][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2996.209553][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2996.209553][ T72] fib6_nh_init+0xa22/0x1580 [ 2996.209553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.209553][ T72] ip6_route_add+0x1c/0x140 [ 2996.209553][ T72] inet6_rtm_newroute+0x104/0x110 [ 2996.209553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.209553][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.209553][ T72] netlink_unicast+0x449/0x710 [ 2996.209553][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.209553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.209553][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.209553][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.209553][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.209553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.209553][ T72] [ 2996.211390][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 2996.211390][ T72] dst_init+0x84/0x4a0 [ 2996.211390][ T72] dst_alloc+0x97/0x150 [ 2996.211390][ T72] ip6_dst_alloc+0x23/0x90 [ 2996.211390][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2996.211390][ T72] ip6_pol_route+0x56f/0x840 [ 2996.211390][ T72] fib6_rule_lookup+0x456/0x630 [ 2996.211390][ T72] ip6_route_input+0x59c/0xa50 [ 2996.211390][ T72] ipv6_rcv+0x397/0x810 [ 2996.211390][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2996.211390][ T72] process_backlog+0x101/0x620 [ 2996.211390][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2996.211390][ T72] net_rx_action+0x495/0xbe0 [ 2996.211390][ T72] __do_softirq+0x1b5/0x7f6 [ 2996.211390][ T72] [ 2996.213025][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2996.213025][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.213025][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.213025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.213025][ T72] ip6_route_add+0x1c/0x140 [ 2996.213025][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2996.213025][ T72] inet6_addr_add+0x4f8/0xa40 [ 2996.213025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.213025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.213025][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.213025][ T72] netlink_unicast+0x449/0x710 [ 2996.213025][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.213025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.213025][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.213025][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.213025][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.213025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.213025][ T72] [ 2996.215037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2996.215037][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.215037][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.215037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.215037][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2996.215037][ T72] ipv6_add_addr+0x411/0x2000 [ 2996.215037][ T72] inet6_addr_add+0x30e/0xa40 [ 2996.215037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.215037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.215037][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.215037][ T72] netlink_unicast+0x449/0x710 [ 2996.215037][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.215037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.215037][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.215037][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.215037][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.215037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.215037][ T72] [ 2996.217021][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2996.217021][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.217021][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.217021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.217021][ T72] ip6_route_add+0x1c/0x140 [ 2996.217021][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2996.217021][ T72] addrconf_add_dev+0xe2/0x170 [ 2996.217021][ T72] inet6_addr_add+0x12f/0xa40 [ 2996.217021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.217021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.217021][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.217021][ T72] netlink_unicast+0x449/0x710 [ 2996.217021][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.217021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.217021][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.217021][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.217021][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.217021][ T72] [ 2996.218969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2996.218969][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2996.218969][ T72] ipv6_find_idev+0x102/0x170 [ 2996.218969][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.218969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.218969][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.218969][ T72] netlink_unicast+0x449/0x710 [ 2996.218969][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.218969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.218969][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.218969][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.218969][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.218969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.218969][ T72] [ 2996.220469][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 2996.220469][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2996.220469][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2996.220469][ T72] ipv6_find_idev+0x102/0x170 [ 2996.220469][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.220469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.220469][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.220469][ T72] netlink_unicast+0x449/0x710 [ 2996.220469][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.220469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.220469][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.220469][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.220469][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.220469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.220469][ T72] [ 2996.222114][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 2996.222389][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2996.222389][ T72] dst_init+0x84/0x4a0 [ 2996.222389][ T72] dst_alloc+0x97/0x150 [ 2996.222389][ T72] ip6_dst_alloc+0x23/0x90 [ 2996.222389][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2996.222389][ T72] ip6_pol_route+0x56f/0x840 [ 2996.222389][ T72] fib6_rule_lookup+0x456/0x630 [ 2996.222389][ T72] ip6_route_input+0x59c/0xa50 [ 2996.222389][ T72] ipv6_rcv+0x397/0x810 [ 2996.222389][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2996.222389][ T72] process_backlog+0x101/0x620 [ 2996.222389][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2996.222389][ T72] net_rx_action+0x495/0xbe0 [ 2996.222389][ T72] __do_softirq+0x1b5/0x7f6 [ 2996.222389][ T72] [ 2996.224030][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2996.224030][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.224030][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.224030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.224030][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2996.224030][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2996.224030][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2996.224030][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2996.224030][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2996.224030][ T72] addrconf_dad_begin+0x310/0x670 [ 2996.224030][ T72] addrconf_dad_work+0x10b/0xab0 [ 2996.224030][ T72] process_one_work+0x84d/0x18a0 [ 2996.224030][ T72] worker_thread+0x587/0xd30 [ 2996.224030][ T72] kthread+0x28a/0x350 [ 2996.224030][ T72] ret_from_fork+0x31/0x70 [ 2996.224030][ T72] ret_from_fork_asm+0x1a/0x30 [ 2996.224030][ T72] [ 2996.225921][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2996.225921][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.225921][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.225921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.225921][ T72] ip6_route_add+0x1c/0x140 [ 2996.225921][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2996.225921][ T72] inet6_addr_add+0x4f8/0xa40 [ 2996.225921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.225921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.225921][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.225921][ T72] netlink_unicast+0x449/0x710 [ 2996.225921][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.225921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.225921][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.225921][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.225921][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.225921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.225921][ T72] [ 2996.227897][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2996.227897][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.227897][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.227897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.227897][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2996.227897][ T72] ipv6_add_addr+0x411/0x2000 [ 2996.227897][ T72] inet6_addr_add+0x30e/0xa40 [ 2996.227897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.227897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.227897][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.227897][ T72] netlink_unicast+0x449/0x710 [ 2996.227897][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.227897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.227897][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.227897][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.227897][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.227897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.227897][ T72] [ 2996.229863][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2996.229863][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.229863][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.229863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.229863][ T72] ip6_route_add+0x1c/0x140 [ 2996.229863][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2996.229863][ T72] addrconf_add_dev+0xe2/0x170 [ 2996.229863][ T72] inet6_addr_add+0x12f/0xa40 [ 2996.229863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.229863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.229863][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.229863][ T72] netlink_unicast+0x449/0x710 [ 2996.229863][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.229863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.229863][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.229863][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.229863][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.229863][ T72] [ 2996.231825][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2996.231825][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2996.231825][ T72] ipv6_find_idev+0x102/0x170 [ 2996.231825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.231825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.231825][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.231825][ T72] netlink_unicast+0x449/0x710 [ 2996.231825][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.231825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.231825][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.231825][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.231825][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.231825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.231825][ T72] [ 2996.233351][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 2996.233351][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2996.233351][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2996.233351][ T72] ipv6_find_idev+0x102/0x170 [ 2996.233351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.233351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.233351][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.233351][ T72] netlink_unicast+0x449/0x710 [ 2996.233351][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.233351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.233351][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.233351][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.233351][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.233351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.233351][ T72] [ 2996.235159][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 2996.235427][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2996.235427][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 2996.235427][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 2996.235427][ T72] fib6_nh_init+0xa22/0x1580 [ 2996.235427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.235427][ T72] ip6_route_add+0x1c/0x140 [ 2996.235427][ T72] inet6_rtm_newroute+0x104/0x110 [ 2996.235427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.235427][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.235427][ T72] netlink_unicast+0x449/0x710 [ 2996.235427][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.235427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.235427][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.235427][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.235427][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.235427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.235427][ T72] [ 2996.237537][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2996.237537][ T72] dst_init+0x84/0x4a0 [ 2996.237537][ T72] dst_alloc+0x97/0x150 [ 2996.237537][ T72] ip6_dst_alloc+0x23/0x90 [ 2996.237537][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2996.237537][ T72] ip6_pol_route+0x56f/0x840 [ 2996.237537][ T72] fib6_rule_lookup+0x456/0x630 [ 2996.237537][ T72] ip6_route_input+0x59c/0xa50 [ 2996.237537][ T72] ipv6_rcv+0x397/0x810 [ 2996.237537][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 2996.237537][ T72] process_backlog+0x101/0x620 [ 2996.237537][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 2996.237537][ T72] net_rx_action+0x495/0xbe0 [ 2996.237537][ T72] __do_softirq+0x1b5/0x7f6 [ 2996.237537][ T72] [ 2996.239385][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2996.239385][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.239385][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.239385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.239385][ T72] ip6_route_add+0x1c/0x140 [ 2996.239385][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2996.239385][ T72] inet6_addr_add+0x4f8/0xa40 [ 2996.239385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.239385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.239385][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.239385][ T72] netlink_unicast+0x449/0x710 [ 2996.239385][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.239385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.239385][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.239385][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.239385][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.239385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.239385][ T72] [ 2996.241564][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2996.241564][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.241564][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.241564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.241564][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2996.241564][ T72] ipv6_add_addr+0x411/0x2000 [ 2996.241564][ T72] inet6_addr_add+0x30e/0xa40 [ 2996.241564][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.241564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.241564][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.241564][ T72] netlink_unicast+0x449/0x710 [ 2996.241564][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.241564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.241564][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.241564][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.241564][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.241564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.241564][ T72] [ 2996.243722][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2996.243722][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.243722][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.243722][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.243722][ T72] ip6_route_add+0x1c/0x140 [ 2996.243722][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2996.243722][ T72] addrconf_add_dev+0xe2/0x170 [ 2996.243722][ T72] inet6_addr_add+0x12f/0xa40 [ 2996.243722][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.243722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.243722][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.243722][ T72] netlink_unicast+0x449/0x710 [ 2996.243722][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.243722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.243722][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.243722][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.243722][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.243722][ T72] [ 2996.245976][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2996.245976][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2996.245976][ T72] ipv6_find_idev+0x102/0x170 [ 2996.245976][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.245976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.245976][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.245976][ T72] netlink_unicast+0x449/0x710 [ 2996.245976][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.245976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.245976][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.245976][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.245976][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.245976][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.245976][ T72] [ 2996.247681][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 2996.247681][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2996.247681][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2996.247681][ T72] ipv6_find_idev+0x102/0x170 [ 2996.247681][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.247681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.247681][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.247681][ T72] netlink_unicast+0x449/0x710 [ 2996.247681][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.247681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.247681][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.247681][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.247681][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.247681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.247681][ T72] [ 2996.249555][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 2996.249957][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2996.249957][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.249957][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.249957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.249957][ T72] addrconf_f6i_alloc+0x265/0x560 [ 2996.249957][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2996.249957][ T72] addrconf_join_anycast+0x1c0/0x220 [ 2996.249957][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2996.249957][ T72] addrconf_dad_completed+0x12b/0xe20 [ 2996.249957][ T72] addrconf_dad_begin+0x310/0x670 [ 2996.249957][ T72] addrconf_dad_work+0x10b/0xab0 [ 2996.249957][ T72] process_one_work+0x84d/0x18a0 [ 2996.249957][ T72] worker_thread+0x587/0xd30 [ 2996.249957][ T72] kthread+0x28a/0x350 [ 2996.249957][ T72] ret_from_fork+0x31/0x70 [ 2996.249957][ T72] ret_from_fork_asm+0x1a/0x30 [ 2996.249957][ T72] [ 2996.251980][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2996.251980][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.251980][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.251980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.251980][ T72] ip6_route_add+0x1c/0x140 [ 2996.251980][ T72] addrconf_prefix_route+0x2a6/0x430 [ 2996.251980][ T72] inet6_addr_add+0x4f8/0xa40 [ 2996.251980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.251980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.251980][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.251980][ T72] netlink_unicast+0x449/0x710 [ 2996.251980][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.251980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.251980][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.251980][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.251980][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.251980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.251980][ T72] [ 2996.254197][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2996.254197][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.254197][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.254197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.254197][ T72] addrconf_f6i_alloc+0x315/0x560 [ 2996.254197][ T72] ipv6_add_addr+0x411/0x2000 [ 2996.254197][ T72] inet6_addr_add+0x30e/0xa40 [ 2996.254197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.254197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.254197][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.254197][ T72] netlink_unicast+0x449/0x710 [ 2996.254197][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.254197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.254197][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.254197][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.254197][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.254197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.254197][ T72] [ 2996.256437][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2996.256437][ T72] netdev_get_by_index+0x5e/0x80 [ 2996.256437][ T72] fib6_nh_init+0x3d8/0x1580 [ 2996.256437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 2996.256437][ T72] ip6_route_add+0x1c/0x140 [ 2996.256437][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 2996.256437][ T72] addrconf_add_dev+0xe2/0x170 [ 2996.256437][ T72] inet6_addr_add+0x12f/0xa40 [ 2996.256437][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.256437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.256437][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.256437][ T72] netlink_unicast+0x449/0x710 [ 2996.256437][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.256437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.256437][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.256437][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.256437][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.256437][ T72] [ 2996.258733][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2996.258733][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 2996.258733][ T72] ipv6_find_idev+0x102/0x170 [ 2996.258733][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.258733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.258733][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.258733][ T72] netlink_unicast+0x449/0x710 [ 2996.258733][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.258733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.258733][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.258733][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.258733][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.258733][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.258733][ T72] [ 2996.260443][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 2996.260443][ T72] neigh_parms_alloc+0x1e5/0x510 [ 2996.260443][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 2996.260443][ T72] ipv6_find_idev+0x102/0x170 [ 2996.260443][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.260443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.260443][ T72] netlink_rcv_skb+0x130/0x360 [ 2996.260443][ T72] netlink_unicast+0x449/0x710 [ 2996.260443][ T72] netlink_sendmsg+0x723/0xbe0 [ 2996.260443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 2996.260443][ T72] ___sys_sendmsg+0xee/0x170 [ 2996.260443][ T72] __sys_sendmsg+0xcd/0x170 [ 2996.260443][ T72] do_syscall_64+0xc6/0x1e0 [ 2996.260443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.260443][ T72] [ 3006.504993][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3006.505639][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3006.505639][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3006.505639][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3006.505639][ T72] fib6_nh_init+0xa22/0x1580 [ 3006.505639][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.505639][ T72] ip6_route_add+0x1c/0x140 [ 3006.505639][ T72] inet6_rtm_newroute+0x104/0x110 [ 3006.505639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.505639][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.505639][ T72] netlink_unicast+0x449/0x710 [ 3006.505639][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.505639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.505639][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.505639][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.505639][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.505639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.505639][ T72] [ 3006.507418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3006.507418][ T72] dst_init+0x84/0x4a0 [ 3006.507418][ T72] dst_alloc+0x97/0x150 [ 3006.507418][ T72] ip6_dst_alloc+0x23/0x90 [ 3006.507418][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3006.507418][ T72] ip6_pol_route+0x56f/0x840 [ 3006.507418][ T72] fib6_rule_lookup+0x456/0x630 [ 3006.507418][ T72] ip6_route_input+0x59c/0xa50 [ 3006.507418][ T72] ipv6_rcv+0x397/0x810 [ 3006.507418][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3006.507418][ T72] process_backlog+0x101/0x620 [ 3006.507418][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3006.507418][ T72] net_rx_action+0x495/0xbe0 [ 3006.507418][ T72] __do_softirq+0x1b5/0x7f6 [ 3006.507418][ T72] [ 3006.509009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3006.509009][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.509009][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.509009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.509009][ T72] ip6_route_add+0x1c/0x140 [ 3006.509009][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3006.509009][ T72] inet6_addr_add+0x4f8/0xa40 [ 3006.509009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.509009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.509009][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.509009][ T72] netlink_unicast+0x449/0x710 [ 3006.509009][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.509009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.509009][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.509009][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.509009][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.509009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.509009][ T72] [ 3006.510878][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3006.510878][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.510878][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.510878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.510878][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3006.510878][ T72] ipv6_add_addr+0x411/0x2000 [ 3006.510878][ T72] inet6_addr_add+0x30e/0xa40 [ 3006.510878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.510878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.510878][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.510878][ T72] netlink_unicast+0x449/0x710 [ 3006.510878][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.510878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.510878][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.510878][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.510878][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.510878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.510878][ T72] [ 3006.513234][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3006.513234][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.513234][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.513234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.513234][ T72] ip6_route_add+0x1c/0x140 [ 3006.513234][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3006.513234][ T72] addrconf_add_dev+0xe2/0x170 [ 3006.513234][ T72] inet6_addr_add+0x12f/0xa40 [ 3006.513234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.513234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.513234][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.513234][ T72] netlink_unicast+0x449/0x710 [ 3006.513234][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.513234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.513234][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.513234][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.513234][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.513234][ T72] [ 3006.515141][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3006.515141][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3006.515141][ T72] ipv6_find_idev+0x102/0x170 [ 3006.515141][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.515141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.515141][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.515141][ T72] netlink_unicast+0x449/0x710 [ 3006.515141][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.515141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.515141][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.515141][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.515141][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.515141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.515141][ T72] [ 3006.516612][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3006.516612][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3006.516612][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3006.516612][ T72] ipv6_find_idev+0x102/0x170 [ 3006.516612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.516612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.516612][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.516612][ T72] netlink_unicast+0x449/0x710 [ 3006.516612][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.516612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.516612][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.516612][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.516612][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.516612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.516612][ T72] [ 3006.518220][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3006.518493][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3006.518493][ T72] dst_init+0x84/0x4a0 [ 3006.518493][ T72] dst_alloc+0x97/0x150 [ 3006.518493][ T72] ip6_dst_alloc+0x23/0x90 [ 3006.518493][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3006.518493][ T72] ip6_pol_route+0x56f/0x840 [ 3006.518493][ T72] fib6_rule_lookup+0x456/0x630 [ 3006.518493][ T72] ip6_route_input+0x59c/0xa50 [ 3006.518493][ T72] ipv6_rcv+0x397/0x810 [ 3006.518493][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3006.518493][ T72] process_backlog+0x101/0x620 [ 3006.518493][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3006.518493][ T72] net_rx_action+0x495/0xbe0 [ 3006.518493][ T72] __do_softirq+0x1b5/0x7f6 [ 3006.518493][ T72] [ 3006.520153][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3006.520153][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.520153][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.520153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.520153][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3006.520153][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3006.520153][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3006.520153][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3006.520153][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3006.520153][ T72] addrconf_dad_begin+0x310/0x670 [ 3006.520153][ T72] addrconf_dad_work+0x10b/0xab0 [ 3006.520153][ T72] process_one_work+0x84d/0x18a0 [ 3006.520153][ T72] worker_thread+0x587/0xd30 [ 3006.520153][ T72] kthread+0x28a/0x350 [ 3006.520153][ T72] ret_from_fork+0x31/0x70 [ 3006.520153][ T72] ret_from_fork_asm+0x1a/0x30 [ 3006.520153][ T72] [ 3006.522057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3006.522057][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.522057][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.522057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.522057][ T72] ip6_route_add+0x1c/0x140 [ 3006.522057][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3006.522057][ T72] inet6_addr_add+0x4f8/0xa40 [ 3006.522057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.522057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.522057][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.522057][ T72] netlink_unicast+0x449/0x710 [ 3006.522057][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.522057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.522057][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.522057][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.522057][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.522057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.522057][ T72] [ 3006.524017][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3006.524017][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.524017][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.524017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.524017][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3006.524017][ T72] ipv6_add_addr+0x411/0x2000 [ 3006.524017][ T72] inet6_addr_add+0x30e/0xa40 [ 3006.524017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.524017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.524017][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.524017][ T72] netlink_unicast+0x449/0x710 [ 3006.524017][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.524017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.524017][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.524017][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.524017][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.524017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.524017][ T72] [ 3006.526018][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3006.526018][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.526018][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.526018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.526018][ T72] ip6_route_add+0x1c/0x140 [ 3006.526018][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3006.526018][ T72] addrconf_add_dev+0xe2/0x170 [ 3006.526018][ T72] inet6_addr_add+0x12f/0xa40 [ 3006.526018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.526018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.526018][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.526018][ T72] netlink_unicast+0x449/0x710 [ 3006.526018][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.526018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.526018][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.526018][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.526018][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.526018][ T72] [ 3006.527959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3006.527959][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3006.527959][ T72] ipv6_find_idev+0x102/0x170 [ 3006.527959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.527959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.527959][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.527959][ T72] netlink_unicast+0x449/0x710 [ 3006.527959][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.527959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.527959][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.527959][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.527959][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.527959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.527959][ T72] [ 3006.529488][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3006.529488][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3006.529488][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3006.529488][ T72] ipv6_find_idev+0x102/0x170 [ 3006.529488][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.529488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.529488][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.529488][ T72] netlink_unicast+0x449/0x710 [ 3006.529488][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.529488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.529488][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.529488][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.529488][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.529488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.529488][ T72] [ 3006.531615][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3006.531908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3006.531908][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3006.531908][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3006.531908][ T72] fib6_nh_init+0xa22/0x1580 [ 3006.531908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.531908][ T72] ip6_route_add+0x1c/0x140 [ 3006.531908][ T72] inet6_rtm_newroute+0x104/0x110 [ 3006.531908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.531908][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.531908][ T72] netlink_unicast+0x449/0x710 [ 3006.531908][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.531908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.531908][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.531908][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.531908][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.531908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.531908][ T72] [ 3006.534012][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3006.534012][ T72] dst_init+0x84/0x4a0 [ 3006.534012][ T72] dst_alloc+0x97/0x150 [ 3006.534012][ T72] ip6_dst_alloc+0x23/0x90 [ 3006.534012][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3006.534012][ T72] ip6_pol_route+0x56f/0x840 [ 3006.534012][ T72] fib6_rule_lookup+0x456/0x630 [ 3006.534012][ T72] ip6_route_input+0x59c/0xa50 [ 3006.534012][ T72] ipv6_rcv+0x397/0x810 [ 3006.534012][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3006.534012][ T72] process_backlog+0x101/0x620 [ 3006.534012][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3006.534012][ T72] net_rx_action+0x495/0xbe0 [ 3006.534012][ T72] __do_softirq+0x1b5/0x7f6 [ 3006.534012][ T72] [ 3006.535816][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3006.535816][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.535816][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.535816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.535816][ T72] ip6_route_add+0x1c/0x140 [ 3006.535816][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3006.535816][ T72] inet6_addr_add+0x4f8/0xa40 [ 3006.535816][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.535816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.535816][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.535816][ T72] netlink_unicast+0x449/0x710 [ 3006.535816][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.535816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.535816][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.535816][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.535816][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.535816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.535816][ T72] [ 3006.538135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3006.538135][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.538135][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.538135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.538135][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3006.538135][ T72] ipv6_add_addr+0x411/0x2000 [ 3006.538135][ T72] inet6_addr_add+0x30e/0xa40 [ 3006.538135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.538135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.538135][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.538135][ T72] netlink_unicast+0x449/0x710 [ 3006.538135][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.538135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.538135][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.538135][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.538135][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.538135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.538135][ T72] [ 3006.540329][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3006.540329][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.540329][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.540329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.540329][ T72] ip6_route_add+0x1c/0x140 [ 3006.540329][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3006.540329][ T72] addrconf_add_dev+0xe2/0x170 [ 3006.540329][ T72] inet6_addr_add+0x12f/0xa40 [ 3006.540329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.540329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.540329][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.540329][ T72] netlink_unicast+0x449/0x710 [ 3006.540329][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.540329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.540329][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.540329][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.540329][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.540329][ T72] [ 3006.542517][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3006.542517][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3006.542517][ T72] ipv6_find_idev+0x102/0x170 [ 3006.542517][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.542517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.542517][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.542517][ T72] netlink_unicast+0x449/0x710 [ 3006.542517][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.542517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.542517][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.542517][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.542517][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.542517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.542517][ T72] [ 3006.544260][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3006.544260][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3006.544260][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3006.544260][ T72] ipv6_find_idev+0x102/0x170 [ 3006.544260][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.544260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.544260][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.544260][ T72] netlink_unicast+0x449/0x710 [ 3006.544260][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.544260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.544260][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.544260][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.544260][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.544260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.544260][ T72] [ 3006.546205][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3006.546503][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3006.546503][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.546503][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.546503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.546503][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3006.546503][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3006.546503][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3006.546503][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3006.546503][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3006.546503][ T72] addrconf_dad_begin+0x310/0x670 [ 3006.546503][ T72] addrconf_dad_work+0x10b/0xab0 [ 3006.546503][ T72] process_one_work+0x84d/0x18a0 [ 3006.546503][ T72] worker_thread+0x587/0xd30 [ 3006.546503][ T72] kthread+0x28a/0x350 [ 3006.546503][ T72] ret_from_fork+0x31/0x70 [ 3006.546503][ T72] ret_from_fork_asm+0x1a/0x30 [ 3006.546503][ T72] [ 3006.548723][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3006.548723][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.548723][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.548723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.548723][ T72] ip6_route_add+0x1c/0x140 [ 3006.548723][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3006.548723][ T72] inet6_addr_add+0x4f8/0xa40 [ 3006.548723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.548723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.548723][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.548723][ T72] netlink_unicast+0x449/0x710 [ 3006.548723][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.548723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.548723][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.548723][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.548723][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.548723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.548723][ T72] [ 3006.550884][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3006.550884][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.550884][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.550884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.550884][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3006.550884][ T72] ipv6_add_addr+0x411/0x2000 [ 3006.550884][ T72] inet6_addr_add+0x30e/0xa40 [ 3006.550884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.550884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.550884][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.550884][ T72] netlink_unicast+0x449/0x710 [ 3006.550884][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.550884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.550884][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.550884][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.550884][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.550884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.550884][ T72] [ 3006.553154][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3006.553154][ T72] netdev_get_by_index+0x5e/0x80 [ 3006.553154][ T72] fib6_nh_init+0x3d8/0x1580 [ 3006.553154][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3006.553154][ T72] ip6_route_add+0x1c/0x140 [ 3006.553154][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3006.553154][ T72] addrconf_add_dev+0xe2/0x170 [ 3006.553154][ T72] inet6_addr_add+0x12f/0xa40 [ 3006.553154][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.553154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.553154][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.553154][ T72] netlink_unicast+0x449/0x710 [ 3006.553154][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.553154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.553154][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.553154][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.553154][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.553154][ T72] [ 3006.555380][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3006.555380][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3006.555380][ T72] ipv6_find_idev+0x102/0x170 [ 3006.555380][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.555380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.555380][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.555380][ T72] netlink_unicast+0x449/0x710 [ 3006.555380][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.555380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.555380][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.555380][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.555380][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.555380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.555380][ T72] [ 3006.557165][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3006.557165][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3006.557165][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3006.557165][ T72] ipv6_find_idev+0x102/0x170 [ 3006.557165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.557165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.557165][ T72] netlink_rcv_skb+0x130/0x360 [ 3006.557165][ T72] netlink_unicast+0x449/0x710 [ 3006.557165][ T72] netlink_sendmsg+0x723/0xbe0 [ 3006.557165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3006.557165][ T72] ___sys_sendmsg+0xee/0x170 [ 3006.557165][ T72] __sys_sendmsg+0xcd/0x170 [ 3006.557165][ T72] do_syscall_64+0xc6/0x1e0 [ 3006.557165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.557165][ T72] [ 3016.729035][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3016.729688][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3016.729688][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3016.729688][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3016.729688][ T72] fib6_nh_init+0xa22/0x1580 [ 3016.729688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.729688][ T72] ip6_route_add+0x1c/0x140 [ 3016.729688][ T72] inet6_rtm_newroute+0x104/0x110 [ 3016.729688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.729688][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.729688][ T72] netlink_unicast+0x449/0x710 [ 3016.729688][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.729688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.729688][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.729688][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.729688][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.729688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.729688][ T72] [ 3016.731524][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3016.731524][ T72] dst_init+0x84/0x4a0 [ 3016.731524][ T72] dst_alloc+0x97/0x150 [ 3016.731524][ T72] ip6_dst_alloc+0x23/0x90 [ 3016.731524][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3016.731524][ T72] ip6_pol_route+0x56f/0x840 [ 3016.731524][ T72] fib6_rule_lookup+0x456/0x630 [ 3016.731524][ T72] ip6_route_input+0x59c/0xa50 [ 3016.731524][ T72] ipv6_rcv+0x397/0x810 [ 3016.731524][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3016.731524][ T72] process_backlog+0x101/0x620 [ 3016.731524][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3016.731524][ T72] net_rx_action+0x495/0xbe0 [ 3016.731524][ T72] __do_softirq+0x1b5/0x7f6 [ 3016.731524][ T72] [ 3016.733060][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3016.733060][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.733060][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.733060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.733060][ T72] ip6_route_add+0x1c/0x140 [ 3016.733060][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3016.733060][ T72] inet6_addr_add+0x4f8/0xa40 [ 3016.733060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.733060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.733060][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.733060][ T72] netlink_unicast+0x449/0x710 [ 3016.733060][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.733060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.733060][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.733060][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.733060][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.733060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.733060][ T72] [ 3016.734929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3016.734929][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.734929][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.734929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.734929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3016.734929][ T72] ipv6_add_addr+0x411/0x2000 [ 3016.734929][ T72] inet6_addr_add+0x30e/0xa40 [ 3016.734929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.734929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.734929][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.734929][ T72] netlink_unicast+0x449/0x710 [ 3016.734929][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.734929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.734929][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.734929][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.734929][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.734929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.734929][ T72] [ 3016.736787][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3016.736787][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.736787][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.736787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.736787][ T72] ip6_route_add+0x1c/0x140 [ 3016.736787][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3016.736787][ T72] addrconf_add_dev+0xe2/0x170 [ 3016.736787][ T72] inet6_addr_add+0x12f/0xa40 [ 3016.736787][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.736787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.736787][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.736787][ T72] netlink_unicast+0x449/0x710 [ 3016.736787][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.736787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.736787][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.736787][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.736787][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.736787][ T72] [ 3016.738765][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3016.738765][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3016.738765][ T72] ipv6_find_idev+0x102/0x170 [ 3016.738765][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3016.738765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.738765][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.738765][ T72] netlink_unicast+0x449/0x710 [ 3016.738765][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.738765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.738765][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.738765][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.738765][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.738765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.738765][ T72] [ 3016.740225][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3016.740225][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3016.740225][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3016.740225][ T72] ipv6_find_idev+0x102/0x170 [ 3016.740225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3016.740225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.740225][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.740225][ T72] netlink_unicast+0x449/0x710 [ 3016.740225][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.740225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.740225][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.740225][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.740225][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.740225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.740225][ T72] [ 3016.741875][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3016.742167][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3016.742167][ T72] dst_init+0x84/0x4a0 [ 3016.742167][ T72] dst_alloc+0x97/0x150 [ 3016.742167][ T72] ip6_dst_alloc+0x23/0x90 [ 3016.742167][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3016.742167][ T72] ip6_pol_route+0x56f/0x840 [ 3016.742167][ T72] fib6_rule_lookup+0x456/0x630 [ 3016.742167][ T72] ip6_route_input+0x59c/0xa50 [ 3016.742167][ T72] ipv6_rcv+0x397/0x810 [ 3016.742167][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3016.742167][ T72] process_backlog+0x101/0x620 [ 3016.742167][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3016.742167][ T72] net_rx_action+0x495/0xbe0 [ 3016.742167][ T72] __do_softirq+0x1b5/0x7f6 [ 3016.742167][ T72] [ 3016.743798][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3016.743798][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.743798][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.743798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.743798][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3016.743798][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3016.743798][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3016.743798][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3016.743798][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3016.743798][ T72] addrconf_dad_begin+0x310/0x670 [ 3016.743798][ T72] addrconf_dad_work+0x10b/0xab0 [ 3016.743798][ T72] process_one_work+0x84d/0x18a0 [ 3016.743798][ T72] worker_thread+0x587/0xd30 [ 3016.743798][ T72] kthread+0x28a/0x350 [ 3016.743798][ T72] ret_from_fork+0x31/0x70 [ 3016.743798][ T72] ret_from_fork_asm+0x1a/0x30 [ 3016.743798][ T72] [ 3016.746717][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3016.746717][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.746717][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.746717][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.746717][ T72] ip6_route_add+0x1c/0x140 [ 3016.746717][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3016.746717][ T72] inet6_addr_add+0x4f8/0xa40 [ 3016.746717][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.746717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.746717][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.746717][ T72] netlink_unicast+0x449/0x710 [ 3016.746717][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.746717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.746717][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.746717][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.746717][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.746717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.746717][ T72] [ 3016.750110][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3016.750110][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.750110][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.750110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.750110][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3016.750110][ T72] ipv6_add_addr+0x411/0x2000 [ 3016.750110][ T72] inet6_addr_add+0x30e/0xa40 [ 3016.750110][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.750110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.750110][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.750110][ T72] netlink_unicast+0x449/0x710 [ 3016.750110][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.750110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.750110][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.750110][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.750110][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.750110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.750110][ T72] [ 3016.753469][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3016.753469][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.753469][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.753469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.753469][ T72] ip6_route_add+0x1c/0x140 [ 3016.753469][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3016.753469][ T72] addrconf_add_dev+0xe2/0x170 [ 3016.753469][ T72] inet6_addr_add+0x12f/0xa40 [ 3016.753469][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.753469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.753469][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.753469][ T72] netlink_unicast+0x449/0x710 [ 3016.753469][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.753469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.753469][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.753469][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.753469][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.753469][ T72] [ 3016.756808][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3016.756808][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3016.756808][ T72] ipv6_find_idev+0x102/0x170 [ 3016.756808][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3016.756808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.756808][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.756808][ T72] netlink_unicast+0x449/0x710 [ 3016.756808][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.756808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.756808][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.756808][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.756808][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.756808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.756808][ T72] [ 3016.759261][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3016.759261][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3016.759261][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3016.759261][ T72] ipv6_find_idev+0x102/0x170 [ 3016.759261][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3016.759261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.759261][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.759261][ T72] netlink_unicast+0x449/0x710 [ 3016.759261][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.759261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.759261][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.759261][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.759261][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.759261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.759261][ T72] [ 3016.762337][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3016.762799][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3016.762799][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3016.762799][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3016.762799][ T72] fib6_nh_init+0xa22/0x1580 [ 3016.762799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.762799][ T72] ip6_route_add+0x1c/0x140 [ 3016.762799][ T72] inet6_rtm_newroute+0x104/0x110 [ 3016.762799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.762799][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.762799][ T72] netlink_unicast+0x449/0x710 [ 3016.762799][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.762799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.762799][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.762799][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.762799][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.762799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.762799][ T72] [ 3016.766458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3016.766458][ T72] dst_init+0x84/0x4a0 [ 3016.766458][ T72] dst_alloc+0x97/0x150 [ 3016.766458][ T72] ip6_dst_alloc+0x23/0x90 [ 3016.766458][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3016.766458][ T72] ip6_pol_route+0x56f/0x840 [ 3016.766458][ T72] fib6_rule_lookup+0x456/0x630 [ 3016.766458][ T72] ip6_route_input+0x59c/0xa50 [ 3016.766458][ T72] ipv6_rcv+0x397/0x810 [ 3016.766458][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3016.766458][ T72] process_backlog+0x101/0x620 [ 3016.766458][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3016.766458][ T72] net_rx_action+0x495/0xbe0 [ 3016.766458][ T72] __do_softirq+0x1b5/0x7f6 [ 3016.766458][ T72] [ 3016.769632][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3016.769632][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.769632][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.769632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.769632][ T72] ip6_route_add+0x1c/0x140 [ 3016.769632][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3016.769632][ T72] inet6_addr_add+0x4f8/0xa40 [ 3016.769632][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.769632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.769632][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.769632][ T72] netlink_unicast+0x449/0x710 [ 3016.769632][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.769632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.769632][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.769632][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.769632][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.769632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.769632][ T72] [ 3016.773341][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3016.773341][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.773341][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.773341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.773341][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3016.773341][ T72] ipv6_add_addr+0x411/0x2000 [ 3016.773341][ T72] inet6_addr_add+0x30e/0xa40 [ 3016.773341][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.773341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.773341][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.773341][ T72] netlink_unicast+0x449/0x710 [ 3016.773341][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.773341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.773341][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.773341][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.773341][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.773341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.773341][ T72] [ 3016.776956][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3016.776956][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.776956][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.776956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.776956][ T72] ip6_route_add+0x1c/0x140 [ 3016.776956][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3016.776956][ T72] addrconf_add_dev+0xe2/0x170 [ 3016.776956][ T72] inet6_addr_add+0x12f/0xa40 [ 3016.776956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.776956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.776956][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.776956][ T72] netlink_unicast+0x449/0x710 [ 3016.776956][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.776956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.776956][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.776956][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.776956][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.776956][ T72] [ 3016.780813][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3016.780813][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3016.780813][ T72] ipv6_find_idev+0x102/0x170 [ 3016.780813][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3016.780813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.780813][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.780813][ T72] netlink_unicast+0x449/0x710 [ 3016.780813][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.780813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.780813][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.780813][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.780813][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.780813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.780813][ T72] [ 3016.783701][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3016.783701][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3016.783701][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3016.783701][ T72] ipv6_find_idev+0x102/0x170 [ 3016.783701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3016.783701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.783701][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.783701][ T72] netlink_unicast+0x449/0x710 [ 3016.783701][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.783701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.783701][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.783701][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.783701][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.783701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.783701][ T72] [ 3016.786945][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3016.787437][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3016.787437][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.787437][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.787437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.787437][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3016.787437][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3016.787437][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3016.787437][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3016.787437][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3016.787437][ T72] addrconf_dad_begin+0x310/0x670 [ 3016.787437][ T72] addrconf_dad_work+0x10b/0xab0 [ 3016.787437][ T72] process_one_work+0x84d/0x18a0 [ 3016.787437][ T72] worker_thread+0x587/0xd30 [ 3016.787437][ T72] kthread+0x28a/0x350 [ 3016.787437][ T72] ret_from_fork+0x31/0x70 [ 3016.787437][ T72] ret_from_fork_asm+0x1a/0x30 [ 3016.787437][ T72] [ 3016.790870][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3016.790870][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.790870][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.790870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.790870][ T72] ip6_route_add+0x1c/0x140 [ 3016.790870][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3016.790870][ T72] inet6_addr_add+0x4f8/0xa40 [ 3016.790870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.790870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.790870][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.790870][ T72] netlink_unicast+0x449/0x710 [ 3016.790870][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.790870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.790870][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.790870][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.790870][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.790870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.790870][ T72] [ 3016.794489][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3016.794489][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.794489][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.794489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.794489][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3016.794489][ T72] ipv6_add_addr+0x411/0x2000 [ 3016.794489][ T72] inet6_addr_add+0x30e/0xa40 [ 3016.794489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.794489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.794489][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.794489][ T72] netlink_unicast+0x449/0x710 [ 3016.794489][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.794489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.794489][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.794489][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.794489][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.794489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.794489][ T72] [ 3016.798188][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3016.798188][ T72] netdev_get_by_index+0x5e/0x80 [ 3016.798188][ T72] fib6_nh_init+0x3d8/0x1580 [ 3016.798188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3016.798188][ T72] ip6_route_add+0x1c/0x140 [ 3016.798188][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3016.798188][ T72] addrconf_add_dev+0xe2/0x170 [ 3016.798188][ T72] inet6_addr_add+0x12f/0xa40 [ 3016.798188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3016.798188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.798188][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.798188][ T72] netlink_unicast+0x449/0x710 [ 3016.798188][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.798188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.798188][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.798188][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.798188][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.798188][ T72] [ 3016.801863][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3016.801863][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3016.801863][ T72] ipv6_find_idev+0x102/0x170 [ 3016.801863][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3016.801863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.801863][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.801863][ T72] netlink_unicast+0x449/0x710 [ 3016.801863][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.801863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.801863][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.801863][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.801863][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.801863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.801863][ T72] [ 3016.804688][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3016.804688][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3016.804688][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3016.804688][ T72] ipv6_find_idev+0x102/0x170 [ 3016.804688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3016.804688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3016.804688][ T72] netlink_rcv_skb+0x130/0x360 [ 3016.804688][ T72] netlink_unicast+0x449/0x710 [ 3016.804688][ T72] netlink_sendmsg+0x723/0xbe0 [ 3016.804688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3016.804688][ T72] ___sys_sendmsg+0xee/0x170 [ 3016.804688][ T72] __sys_sendmsg+0xcd/0x170 [ 3016.804688][ T72] do_syscall_64+0xc6/0x1e0 [ 3016.804688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3016.804688][ T72] [ 3027.048975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3027.049679][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3027.049679][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3027.049679][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3027.049679][ T72] fib6_nh_init+0xa22/0x1580 [ 3027.049679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.049679][ T72] ip6_route_add+0x1c/0x140 [ 3027.049679][ T72] inet6_rtm_newroute+0x104/0x110 [ 3027.049679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.049679][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.049679][ T72] netlink_unicast+0x449/0x710 [ 3027.049679][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.049679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.049679][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.049679][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.049679][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.049679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.049679][ T72] [ 3027.051509][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3027.051509][ T72] dst_init+0x84/0x4a0 [ 3027.051509][ T72] dst_alloc+0x97/0x150 [ 3027.051509][ T72] ip6_dst_alloc+0x23/0x90 [ 3027.051509][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3027.051509][ T72] ip6_pol_route+0x56f/0x840 [ 3027.051509][ T72] fib6_rule_lookup+0x456/0x630 [ 3027.051509][ T72] ip6_route_input+0x59c/0xa50 [ 3027.051509][ T72] ipv6_rcv+0x397/0x810 [ 3027.051509][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3027.051509][ T72] process_backlog+0x101/0x620 [ 3027.051509][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3027.051509][ T72] net_rx_action+0x495/0xbe0 [ 3027.051509][ T72] __do_softirq+0x1b5/0x7f6 [ 3027.051509][ T72] [ 3027.053045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3027.053045][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.053045][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.053045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.053045][ T72] ip6_route_add+0x1c/0x140 [ 3027.053045][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3027.053045][ T72] inet6_addr_add+0x4f8/0xa40 [ 3027.053045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.053045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.053045][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.053045][ T72] netlink_unicast+0x449/0x710 [ 3027.053045][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.053045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.053045][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.053045][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.053045][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.053045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.053045][ T72] [ 3027.054975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3027.054975][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.054975][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.054975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.054975][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3027.054975][ T72] ipv6_add_addr+0x411/0x2000 [ 3027.054975][ T72] inet6_addr_add+0x30e/0xa40 [ 3027.054975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.054975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.054975][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.054975][ T72] netlink_unicast+0x449/0x710 [ 3027.054975][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.054975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.054975][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.054975][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.054975][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.054975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.054975][ T72] [ 3027.056925][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3027.056925][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.056925][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.056925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.056925][ T72] ip6_route_add+0x1c/0x140 [ 3027.056925][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3027.056925][ T72] addrconf_add_dev+0xe2/0x170 [ 3027.056925][ T72] inet6_addr_add+0x12f/0xa40 [ 3027.056925][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.056925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.056925][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.056925][ T72] netlink_unicast+0x449/0x710 [ 3027.056925][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.056925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.056925][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.056925][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.056925][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.056925][ T72] [ 3027.058888][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3027.058888][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3027.058888][ T72] ipv6_find_idev+0x102/0x170 [ 3027.058888][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.058888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.058888][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.058888][ T72] netlink_unicast+0x449/0x710 [ 3027.058888][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.058888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.058888][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.058888][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.058888][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.058888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.058888][ T72] [ 3027.060431][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3027.060431][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3027.060431][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3027.060431][ T72] ipv6_find_idev+0x102/0x170 [ 3027.060431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.060431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.060431][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.060431][ T72] netlink_unicast+0x449/0x710 [ 3027.060431][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.060431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.060431][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.060431][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.060431][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.060431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.060431][ T72] [ 3027.062141][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3027.062420][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3027.062420][ T72] dst_init+0x84/0x4a0 [ 3027.062420][ T72] dst_alloc+0x97/0x150 [ 3027.062420][ T72] ip6_dst_alloc+0x23/0x90 [ 3027.062420][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3027.062420][ T72] ip6_pol_route+0x56f/0x840 [ 3027.062420][ T72] fib6_rule_lookup+0x456/0x630 [ 3027.062420][ T72] ip6_route_input+0x59c/0xa50 [ 3027.062420][ T72] ipv6_rcv+0x397/0x810 [ 3027.062420][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3027.062420][ T72] process_backlog+0x101/0x620 [ 3027.062420][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3027.062420][ T72] net_rx_action+0x495/0xbe0 [ 3027.062420][ T72] __do_softirq+0x1b5/0x7f6 [ 3027.062420][ T72] [ 3027.064074][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3027.064074][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.064074][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.064074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.064074][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3027.064074][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3027.064074][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3027.064074][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3027.064074][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3027.064074][ T72] addrconf_dad_begin+0x310/0x670 [ 3027.064074][ T72] addrconf_dad_work+0x10b/0xab0 [ 3027.064074][ T72] process_one_work+0x84d/0x18a0 [ 3027.064074][ T72] worker_thread+0x587/0xd30 [ 3027.064074][ T72] kthread+0x28a/0x350 [ 3027.064074][ T72] ret_from_fork+0x31/0x70 [ 3027.064074][ T72] ret_from_fork_asm+0x1a/0x30 [ 3027.064074][ T72] [ 3027.066007][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3027.066007][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.066007][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.066007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.066007][ T72] ip6_route_add+0x1c/0x140 [ 3027.066007][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3027.066007][ T72] inet6_addr_add+0x4f8/0xa40 [ 3027.066007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.066007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.066007][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.066007][ T72] netlink_unicast+0x449/0x710 [ 3027.066007][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.066007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.066007][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.066007][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.066007][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.066007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.066007][ T72] [ 3027.068026][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3027.068026][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.068026][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.068026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.068026][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3027.068026][ T72] ipv6_add_addr+0x411/0x2000 [ 3027.068026][ T72] inet6_addr_add+0x30e/0xa40 [ 3027.068026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.068026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.068026][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.068026][ T72] netlink_unicast+0x449/0x710 [ 3027.068026][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.068026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.068026][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.068026][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.068026][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.068026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.068026][ T72] [ 3027.070053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3027.070053][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.070053][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.070053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.070053][ T72] ip6_route_add+0x1c/0x140 [ 3027.070053][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3027.070053][ T72] addrconf_add_dev+0xe2/0x170 [ 3027.070053][ T72] inet6_addr_add+0x12f/0xa40 [ 3027.070053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.070053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.070053][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.070053][ T72] netlink_unicast+0x449/0x710 [ 3027.070053][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.070053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.070053][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.070053][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.070053][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.070053][ T72] [ 3027.072046][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3027.072046][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3027.072046][ T72] ipv6_find_idev+0x102/0x170 [ 3027.072046][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.072046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.072046][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.072046][ T72] netlink_unicast+0x449/0x710 [ 3027.072046][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.072046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.072046][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.072046][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.072046][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.072046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.072046][ T72] [ 3027.073557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3027.073557][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3027.073557][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3027.073557][ T72] ipv6_find_idev+0x102/0x170 [ 3027.073557][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.073557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.073557][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.073557][ T72] netlink_unicast+0x449/0x710 [ 3027.073557][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.073557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.073557][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.073557][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.073557][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.073557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.073557][ T72] [ 3027.075392][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3027.075670][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3027.075670][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3027.075670][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3027.075670][ T72] fib6_nh_init+0xa22/0x1580 [ 3027.075670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.075670][ T72] ip6_route_add+0x1c/0x140 [ 3027.075670][ T72] inet6_rtm_newroute+0x104/0x110 [ 3027.075670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.075670][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.075670][ T72] netlink_unicast+0x449/0x710 [ 3027.075670][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.075670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.075670][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.075670][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.075670][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.075670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.075670][ T72] [ 3027.077872][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3027.077872][ T72] dst_init+0x84/0x4a0 [ 3027.077872][ T72] dst_alloc+0x97/0x150 [ 3027.077872][ T72] ip6_dst_alloc+0x23/0x90 [ 3027.077872][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3027.077872][ T72] ip6_pol_route+0x56f/0x840 [ 3027.077872][ T72] fib6_rule_lookup+0x456/0x630 [ 3027.077872][ T72] ip6_route_input+0x59c/0xa50 [ 3027.077872][ T72] ipv6_rcv+0x397/0x810 [ 3027.077872][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3027.077872][ T72] process_backlog+0x101/0x620 [ 3027.077872][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3027.077872][ T72] net_rx_action+0x495/0xbe0 [ 3027.077872][ T72] __do_softirq+0x1b5/0x7f6 [ 3027.077872][ T72] [ 3027.079702][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3027.079702][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.079702][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.079702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.079702][ T72] ip6_route_add+0x1c/0x140 [ 3027.079702][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3027.079702][ T72] inet6_addr_add+0x4f8/0xa40 [ 3027.079702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.079702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.079702][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.079702][ T72] netlink_unicast+0x449/0x710 [ 3027.079702][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.079702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.079702][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.079702][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.079702][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.079702][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.079702][ T72] [ 3027.081933][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3027.081933][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.081933][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.081933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.081933][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3027.081933][ T72] ipv6_add_addr+0x411/0x2000 [ 3027.081933][ T72] inet6_addr_add+0x30e/0xa40 [ 3027.081933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.081933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.081933][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.081933][ T72] netlink_unicast+0x449/0x710 [ 3027.081933][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.081933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.081933][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.081933][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.081933][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.081933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.081933][ T72] [ 3027.084146][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3027.084146][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.084146][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.084146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.084146][ T72] ip6_route_add+0x1c/0x140 [ 3027.084146][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3027.084146][ T72] addrconf_add_dev+0xe2/0x170 [ 3027.084146][ T72] inet6_addr_add+0x12f/0xa40 [ 3027.084146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.084146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.084146][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.084146][ T72] netlink_unicast+0x449/0x710 [ 3027.084146][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.084146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.084146][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.084146][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.084146][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.084146][ T72] [ 3027.086414][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3027.086414][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3027.086414][ T72] ipv6_find_idev+0x102/0x170 [ 3027.086414][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.086414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.086414][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.086414][ T72] netlink_unicast+0x449/0x710 [ 3027.086414][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.086414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.086414][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.086414][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.086414][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.086414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.086414][ T72] [ 3027.088187][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3027.088187][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3027.088187][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3027.088187][ T72] ipv6_find_idev+0x102/0x170 [ 3027.088187][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.088187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.088187][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.088187][ T72] netlink_unicast+0x449/0x710 [ 3027.088187][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.088187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.088187][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.088187][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.088187][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.088187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.088187][ T72] [ 3027.090091][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3027.090377][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3027.090377][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.090377][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.090377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.090377][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3027.090377][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3027.090377][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3027.090377][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3027.090377][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3027.090377][ T72] addrconf_dad_begin+0x310/0x670 [ 3027.090377][ T72] addrconf_dad_work+0x10b/0xab0 [ 3027.090377][ T72] process_one_work+0x84d/0x18a0 [ 3027.090377][ T72] worker_thread+0x587/0xd30 [ 3027.090377][ T72] kthread+0x28a/0x350 [ 3027.090377][ T72] ret_from_fork+0x31/0x70 [ 3027.090377][ T72] ret_from_fork_asm+0x1a/0x30 [ 3027.090377][ T72] [ 3027.092529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3027.092529][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.092529][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.092529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.092529][ T72] ip6_route_add+0x1c/0x140 [ 3027.092529][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3027.092529][ T72] inet6_addr_add+0x4f8/0xa40 [ 3027.092529][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.092529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.092529][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.092529][ T72] netlink_unicast+0x449/0x710 [ 3027.092529][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.092529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.092529][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.092529][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.092529][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.092529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.092529][ T72] [ 3027.094720][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3027.094720][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.094720][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.094720][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.094720][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3027.094720][ T72] ipv6_add_addr+0x411/0x2000 [ 3027.094720][ T72] inet6_addr_add+0x30e/0xa40 [ 3027.094720][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.094720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.094720][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.094720][ T72] netlink_unicast+0x449/0x710 [ 3027.094720][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.094720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.094720][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.094720][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.094720][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.094720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.094720][ T72] [ 3027.097038][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3027.097038][ T72] netdev_get_by_index+0x5e/0x80 [ 3027.097038][ T72] fib6_nh_init+0x3d8/0x1580 [ 3027.097038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3027.097038][ T72] ip6_route_add+0x1c/0x140 [ 3027.097038][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3027.097038][ T72] addrconf_add_dev+0xe2/0x170 [ 3027.097038][ T72] inet6_addr_add+0x12f/0xa40 [ 3027.097038][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.097038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.097038][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.097038][ T72] netlink_unicast+0x449/0x710 [ 3027.097038][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.097038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.097038][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.097038][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.097038][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.097038][ T72] [ 3027.099228][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3027.099228][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3027.099228][ T72] ipv6_find_idev+0x102/0x170 [ 3027.099228][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.099228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.099228][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.099228][ T72] netlink_unicast+0x449/0x710 [ 3027.099228][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.099228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.099228][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.099228][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.099228][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.099228][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.099228][ T72] [ 3027.100974][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3027.100974][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3027.100974][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3027.100974][ T72] ipv6_find_idev+0x102/0x170 [ 3027.100974][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.100974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.100974][ T72] netlink_rcv_skb+0x130/0x360 [ 3027.100974][ T72] netlink_unicast+0x449/0x710 [ 3027.100974][ T72] netlink_sendmsg+0x723/0xbe0 [ 3027.100974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3027.100974][ T72] ___sys_sendmsg+0xee/0x170 [ 3027.100974][ T72] __sys_sendmsg+0xcd/0x170 [ 3027.100974][ T72] do_syscall_64+0xc6/0x1e0 [ 3027.100974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.100974][ T72] [ 3037.144986][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3037.145559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3037.145559][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3037.145559][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3037.145559][ T72] fib6_nh_init+0xa22/0x1580 [ 3037.145559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.145559][ T72] ip6_route_add+0x1c/0x140 [ 3037.145559][ T72] inet6_rtm_newroute+0x104/0x110 [ 3037.145559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.145559][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.145559][ T72] netlink_unicast+0x449/0x710 [ 3037.145559][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.145559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.145559][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.145559][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.145559][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.145559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.145559][ T72] [ 3037.147471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3037.147471][ T72] dst_init+0x84/0x4a0 [ 3037.147471][ T72] dst_alloc+0x97/0x150 [ 3037.147471][ T72] ip6_dst_alloc+0x23/0x90 [ 3037.147471][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3037.147471][ T72] ip6_pol_route+0x56f/0x840 [ 3037.147471][ T72] fib6_rule_lookup+0x456/0x630 [ 3037.147471][ T72] ip6_route_input+0x59c/0xa50 [ 3037.147471][ T72] ipv6_rcv+0x397/0x810 [ 3037.147471][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3037.147471][ T72] process_backlog+0x101/0x620 [ 3037.147471][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3037.147471][ T72] net_rx_action+0x495/0xbe0 [ 3037.147471][ T72] __do_softirq+0x1b5/0x7f6 [ 3037.147471][ T72] [ 3037.149086][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3037.149086][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.149086][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.149086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.149086][ T72] ip6_route_add+0x1c/0x140 [ 3037.149086][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3037.149086][ T72] inet6_addr_add+0x4f8/0xa40 [ 3037.149086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.149086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.149086][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.149086][ T72] netlink_unicast+0x449/0x710 [ 3037.149086][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.149086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.149086][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.149086][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.149086][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.149086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.149086][ T72] [ 3037.150953][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3037.150953][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.150953][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.150953][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.150953][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3037.150953][ T72] ipv6_add_addr+0x411/0x2000 [ 3037.150953][ T72] inet6_addr_add+0x30e/0xa40 [ 3037.150953][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.150953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.150953][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.150953][ T72] netlink_unicast+0x449/0x710 [ 3037.150953][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.150953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.150953][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.150953][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.150953][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.150953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.150953][ T72] [ 3037.152915][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3037.152915][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.152915][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.152915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.152915][ T72] ip6_route_add+0x1c/0x140 [ 3037.152915][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3037.152915][ T72] addrconf_add_dev+0xe2/0x170 [ 3037.152915][ T72] inet6_addr_add+0x12f/0xa40 [ 3037.152915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.152915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.152915][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.152915][ T72] netlink_unicast+0x449/0x710 [ 3037.152915][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.152915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.152915][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.152915][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.152915][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.152915][ T72] [ 3037.154894][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3037.154894][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3037.154894][ T72] ipv6_find_idev+0x102/0x170 [ 3037.154894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.154894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.154894][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.154894][ T72] netlink_unicast+0x449/0x710 [ 3037.154894][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.154894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.154894][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.154894][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.154894][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.154894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.154894][ T72] [ 3037.156326][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3037.156326][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3037.156326][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3037.156326][ T72] ipv6_find_idev+0x102/0x170 [ 3037.156326][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.156326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.156326][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.156326][ T72] netlink_unicast+0x449/0x710 [ 3037.156326][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.156326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.156326][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.156326][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.156326][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.156326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.156326][ T72] [ 3037.157971][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3037.158252][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3037.158252][ T72] dst_init+0x84/0x4a0 [ 3037.158252][ T72] dst_alloc+0x97/0x150 [ 3037.158252][ T72] ip6_dst_alloc+0x23/0x90 [ 3037.158252][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3037.158252][ T72] ip6_pol_route+0x56f/0x840 [ 3037.158252][ T72] fib6_rule_lookup+0x456/0x630 [ 3037.158252][ T72] ip6_route_input+0x59c/0xa50 [ 3037.158252][ T72] ipv6_rcv+0x397/0x810 [ 3037.158252][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3037.158252][ T72] process_backlog+0x101/0x620 [ 3037.158252][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3037.158252][ T72] net_rx_action+0x495/0xbe0 [ 3037.158252][ T72] __do_softirq+0x1b5/0x7f6 [ 3037.158252][ T72] [ 3037.159909][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3037.159909][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.159909][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.159909][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.159909][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3037.159909][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3037.159909][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3037.159909][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3037.159909][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3037.159909][ T72] addrconf_dad_begin+0x310/0x670 [ 3037.159909][ T72] addrconf_dad_work+0x10b/0xab0 [ 3037.159909][ T72] process_one_work+0x84d/0x18a0 [ 3037.159909][ T72] worker_thread+0x587/0xd30 [ 3037.159909][ T72] kthread+0x28a/0x350 [ 3037.159909][ T72] ret_from_fork+0x31/0x70 [ 3037.159909][ T72] ret_from_fork_asm+0x1a/0x30 [ 3037.159909][ T72] [ 3037.161787][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3037.161787][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.161787][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.161787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.161787][ T72] ip6_route_add+0x1c/0x140 [ 3037.161787][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3037.161787][ T72] inet6_addr_add+0x4f8/0xa40 [ 3037.161787][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.161787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.161787][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.161787][ T72] netlink_unicast+0x449/0x710 [ 3037.161787][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.161787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.161787][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.161787][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.161787][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.161787][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.161787][ T72] [ 3037.163802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3037.163802][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.163802][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.163802][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.163802][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3037.163802][ T72] ipv6_add_addr+0x411/0x2000 [ 3037.163802][ T72] inet6_addr_add+0x30e/0xa40 [ 3037.163802][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.163802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.163802][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.163802][ T72] netlink_unicast+0x449/0x710 [ 3037.163802][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.163802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.163802][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.163802][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.163802][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.163802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.163802][ T72] [ 3037.165831][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3037.165831][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.165831][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.165831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.165831][ T72] ip6_route_add+0x1c/0x140 [ 3037.165831][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3037.165831][ T72] addrconf_add_dev+0xe2/0x170 [ 3037.165831][ T72] inet6_addr_add+0x12f/0xa40 [ 3037.165831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.165831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.165831][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.165831][ T72] netlink_unicast+0x449/0x710 [ 3037.165831][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.165831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.165831][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.165831][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.165831][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.165831][ T72] [ 3037.167746][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3037.167746][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3037.167746][ T72] ipv6_find_idev+0x102/0x170 [ 3037.167746][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.167746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.167746][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.167746][ T72] netlink_unicast+0x449/0x710 [ 3037.167746][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.167746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.167746][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.167746][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.167746][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.167746][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.167746][ T72] [ 3037.169279][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3037.169279][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3037.169279][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3037.169279][ T72] ipv6_find_idev+0x102/0x170 [ 3037.169279][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.169279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.169279][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.169279][ T72] netlink_unicast+0x449/0x710 [ 3037.169279][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.169279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.169279][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.169279][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.169279][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.169279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.169279][ T72] [ 3037.171128][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3037.171415][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3037.171415][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3037.171415][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3037.171415][ T72] fib6_nh_init+0xa22/0x1580 [ 3037.171415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.171415][ T72] ip6_route_add+0x1c/0x140 [ 3037.171415][ T72] inet6_rtm_newroute+0x104/0x110 [ 3037.171415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.171415][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.171415][ T72] netlink_unicast+0x449/0x710 [ 3037.171415][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.171415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.171415][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.171415][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.171415][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.171415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.171415][ T72] [ 3037.173630][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3037.173630][ T72] dst_init+0x84/0x4a0 [ 3037.173630][ T72] dst_alloc+0x97/0x150 [ 3037.173630][ T72] ip6_dst_alloc+0x23/0x90 [ 3037.173630][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3037.173630][ T72] ip6_pol_route+0x56f/0x840 [ 3037.173630][ T72] fib6_rule_lookup+0x456/0x630 [ 3037.173630][ T72] ip6_route_input+0x59c/0xa50 [ 3037.173630][ T72] ipv6_rcv+0x397/0x810 [ 3037.173630][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3037.173630][ T72] process_backlog+0x101/0x620 [ 3037.173630][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3037.173630][ T72] net_rx_action+0x495/0xbe0 [ 3037.173630][ T72] __do_softirq+0x1b5/0x7f6 [ 3037.173630][ T72] [ 3037.175456][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3037.175456][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.175456][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.175456][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.175456][ T72] ip6_route_add+0x1c/0x140 [ 3037.175456][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3037.175456][ T72] inet6_addr_add+0x4f8/0xa40 [ 3037.175456][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.175456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.175456][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.175456][ T72] netlink_unicast+0x449/0x710 [ 3037.175456][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.175456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.175456][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.175456][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.175456][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.175456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.175456][ T72] [ 3037.177715][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3037.177715][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.177715][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.177715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.177715][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3037.177715][ T72] ipv6_add_addr+0x411/0x2000 [ 3037.177715][ T72] inet6_addr_add+0x30e/0xa40 [ 3037.177715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.177715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.177715][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.177715][ T72] netlink_unicast+0x449/0x710 [ 3037.177715][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.177715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.177715][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.177715][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.177715][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.177715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.177715][ T72] [ 3037.179874][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3037.179874][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.179874][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.179874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.179874][ T72] ip6_route_add+0x1c/0x140 [ 3037.179874][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3037.179874][ T72] addrconf_add_dev+0xe2/0x170 [ 3037.179874][ T72] inet6_addr_add+0x12f/0xa40 [ 3037.179874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.179874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.179874][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.179874][ T72] netlink_unicast+0x449/0x710 [ 3037.179874][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.179874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.179874][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.179874][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.179874][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.179874][ T72] [ 3037.182167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3037.182167][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3037.182167][ T72] ipv6_find_idev+0x102/0x170 [ 3037.182167][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.182167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.182167][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.182167][ T72] netlink_unicast+0x449/0x710 [ 3037.182167][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.182167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.182167][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.182167][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.182167][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.182167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.182167][ T72] [ 3037.183900][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3037.183900][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3037.183900][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3037.183900][ T72] ipv6_find_idev+0x102/0x170 [ 3037.183900][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.183900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.183900][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.183900][ T72] netlink_unicast+0x449/0x710 [ 3037.183900][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.183900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.183900][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.183900][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.183900][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.183900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.183900][ T72] [ 3037.185834][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3037.186113][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3037.186113][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.186113][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.186113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.186113][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3037.186113][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3037.186113][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3037.186113][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3037.186113][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3037.186113][ T72] addrconf_dad_begin+0x310/0x670 [ 3037.186113][ T72] addrconf_dad_work+0x10b/0xab0 [ 3037.186113][ T72] process_one_work+0x84d/0x18a0 [ 3037.186113][ T72] worker_thread+0x587/0xd30 [ 3037.186113][ T72] kthread+0x28a/0x350 [ 3037.186113][ T72] ret_from_fork+0x31/0x70 [ 3037.186113][ T72] ret_from_fork_asm+0x1a/0x30 [ 3037.186113][ T72] [ 3037.188259][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3037.188259][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.188259][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.188259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.188259][ T72] ip6_route_add+0x1c/0x140 [ 3037.188259][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3037.188259][ T72] inet6_addr_add+0x4f8/0xa40 [ 3037.188259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.188259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.188259][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.188259][ T72] netlink_unicast+0x449/0x710 [ 3037.188259][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.188259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.188259][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.188259][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.188259][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.188259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.188259][ T72] [ 3037.190435][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3037.190435][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.190435][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.190435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.190435][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3037.190435][ T72] ipv6_add_addr+0x411/0x2000 [ 3037.190435][ T72] inet6_addr_add+0x30e/0xa40 [ 3037.190435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.190435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.190435][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.190435][ T72] netlink_unicast+0x449/0x710 [ 3037.190435][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.190435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.190435][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.190435][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.190435][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.190435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.190435][ T72] [ 3037.192892][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3037.192892][ T72] netdev_get_by_index+0x5e/0x80 [ 3037.192892][ T72] fib6_nh_init+0x3d8/0x1580 [ 3037.192892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3037.192892][ T72] ip6_route_add+0x1c/0x140 [ 3037.192892][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3037.192892][ T72] addrconf_add_dev+0xe2/0x170 [ 3037.192892][ T72] inet6_addr_add+0x12f/0xa40 [ 3037.192892][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.192892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.192892][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.192892][ T72] netlink_unicast+0x449/0x710 [ 3037.192892][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.192892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.192892][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.192892][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.192892][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.192892][ T72] [ 3037.195107][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3037.195107][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3037.195107][ T72] ipv6_find_idev+0x102/0x170 [ 3037.195107][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.195107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.195107][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.195107][ T72] netlink_unicast+0x449/0x710 [ 3037.195107][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.195107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.195107][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.195107][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.195107][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.195107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.195107][ T72] [ 3037.196810][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3037.196810][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3037.196810][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3037.196810][ T72] ipv6_find_idev+0x102/0x170 [ 3037.196810][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.196810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.196810][ T72] netlink_rcv_skb+0x130/0x360 [ 3037.196810][ T72] netlink_unicast+0x449/0x710 [ 3037.196810][ T72] netlink_sendmsg+0x723/0xbe0 [ 3037.196810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3037.196810][ T72] ___sys_sendmsg+0xee/0x170 [ 3037.196810][ T72] __sys_sendmsg+0xcd/0x170 [ 3037.196810][ T72] do_syscall_64+0xc6/0x1e0 [ 3037.196810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.196810][ T72] [ 3047.449013][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3047.449553][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3047.449553][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3047.449553][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3047.449553][ T72] fib6_nh_init+0xa22/0x1580 [ 3047.449553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.449553][ T72] ip6_route_add+0x1c/0x140 [ 3047.449553][ T72] inet6_rtm_newroute+0x104/0x110 [ 3047.449553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.449553][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.449553][ T72] netlink_unicast+0x449/0x710 [ 3047.449553][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.449553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.449553][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.449553][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.449553][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.449553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.449553][ T72] [ 3047.451365][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3047.451365][ T72] dst_init+0x84/0x4a0 [ 3047.451365][ T72] dst_alloc+0x97/0x150 [ 3047.451365][ T72] ip6_dst_alloc+0x23/0x90 [ 3047.451365][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3047.451365][ T72] ip6_pol_route+0x56f/0x840 [ 3047.451365][ T72] fib6_rule_lookup+0x456/0x630 [ 3047.451365][ T72] ip6_route_input+0x59c/0xa50 [ 3047.451365][ T72] ipv6_rcv+0x397/0x810 [ 3047.451365][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3047.451365][ T72] process_backlog+0x101/0x620 [ 3047.451365][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3047.451365][ T72] net_rx_action+0x495/0xbe0 [ 3047.451365][ T72] __do_softirq+0x1b5/0x7f6 [ 3047.451365][ T72] [ 3047.453003][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3047.453003][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.453003][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.453003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.453003][ T72] ip6_route_add+0x1c/0x140 [ 3047.453003][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3047.453003][ T72] inet6_addr_add+0x4f8/0xa40 [ 3047.453003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.453003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.453003][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.453003][ T72] netlink_unicast+0x449/0x710 [ 3047.453003][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.453003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.453003][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.453003][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.453003][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.453003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.453003][ T72] [ 3047.454994][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3047.454994][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.454994][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.454994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.454994][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3047.454994][ T72] ipv6_add_addr+0x411/0x2000 [ 3047.454994][ T72] inet6_addr_add+0x30e/0xa40 [ 3047.454994][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.454994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.454994][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.454994][ T72] netlink_unicast+0x449/0x710 [ 3047.454994][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.454994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.454994][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.454994][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.454994][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.454994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.454994][ T72] [ 3047.456958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3047.456958][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.456958][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.456958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.456958][ T72] ip6_route_add+0x1c/0x140 [ 3047.456958][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3047.456958][ T72] addrconf_add_dev+0xe2/0x170 [ 3047.456958][ T72] inet6_addr_add+0x12f/0xa40 [ 3047.456958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.456958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.456958][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.456958][ T72] netlink_unicast+0x449/0x710 [ 3047.456958][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.456958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.456958][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.456958][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.456958][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.456958][ T72] [ 3047.458814][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3047.458814][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3047.458814][ T72] ipv6_find_idev+0x102/0x170 [ 3047.458814][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3047.458814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.458814][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.458814][ T72] netlink_unicast+0x449/0x710 [ 3047.458814][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.458814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.458814][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.458814][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.458814][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.458814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.458814][ T72] [ 3047.460386][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3047.460386][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3047.460386][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3047.460386][ T72] ipv6_find_idev+0x102/0x170 [ 3047.460386][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3047.460386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.460386][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.460386][ T72] netlink_unicast+0x449/0x710 [ 3047.460386][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.460386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.460386][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.460386][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.460386][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.460386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.460386][ T72] [ 3047.462122][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3047.462413][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3047.462413][ T72] dst_init+0x84/0x4a0 [ 3047.462413][ T72] dst_alloc+0x97/0x150 [ 3047.462413][ T72] ip6_dst_alloc+0x23/0x90 [ 3047.462413][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3047.462413][ T72] ip6_pol_route+0x56f/0x840 [ 3047.462413][ T72] fib6_rule_lookup+0x456/0x630 [ 3047.462413][ T72] ip6_route_input+0x59c/0xa50 [ 3047.462413][ T72] ipv6_rcv+0x397/0x810 [ 3047.462413][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3047.462413][ T72] process_backlog+0x101/0x620 [ 3047.462413][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3047.462413][ T72] net_rx_action+0x495/0xbe0 [ 3047.462413][ T72] __do_softirq+0x1b5/0x7f6 [ 3047.462413][ T72] [ 3047.464071][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3047.464071][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.464071][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.464071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.464071][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3047.464071][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3047.464071][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3047.464071][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3047.464071][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3047.464071][ T72] addrconf_dad_begin+0x310/0x670 [ 3047.464071][ T72] addrconf_dad_work+0x10b/0xab0 [ 3047.464071][ T72] process_one_work+0x84d/0x18a0 [ 3047.464071][ T72] worker_thread+0x587/0xd30 [ 3047.464071][ T72] kthread+0x28a/0x350 [ 3047.464071][ T72] ret_from_fork+0x31/0x70 [ 3047.464071][ T72] ret_from_fork_asm+0x1a/0x30 [ 3047.464071][ T72] [ 3047.465998][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3047.465998][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.465998][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.465998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.465998][ T72] ip6_route_add+0x1c/0x140 [ 3047.465998][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3047.465998][ T72] inet6_addr_add+0x4f8/0xa40 [ 3047.465998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.465998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.465998][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.465998][ T72] netlink_unicast+0x449/0x710 [ 3047.465998][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.465998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.465998][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.465998][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.465998][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.465998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.465998][ T72] [ 3047.468008][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3047.468008][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.468008][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.468008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.468008][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3047.468008][ T72] ipv6_add_addr+0x411/0x2000 [ 3047.468008][ T72] inet6_addr_add+0x30e/0xa40 [ 3047.468008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.468008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.468008][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.468008][ T72] netlink_unicast+0x449/0x710 [ 3047.468008][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.468008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.468008][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.468008][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.468008][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.468008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.468008][ T72] [ 3047.470006][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3047.470006][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.470006][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.470006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.470006][ T72] ip6_route_add+0x1c/0x140 [ 3047.470006][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3047.470006][ T72] addrconf_add_dev+0xe2/0x170 [ 3047.470006][ T72] inet6_addr_add+0x12f/0xa40 [ 3047.470006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.470006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.470006][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.470006][ T72] netlink_unicast+0x449/0x710 [ 3047.470006][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.470006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.470006][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.470006][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.470006][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.470006][ T72] [ 3047.471980][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3047.471980][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3047.471980][ T72] ipv6_find_idev+0x102/0x170 [ 3047.471980][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3047.471980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.471980][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.471980][ T72] netlink_unicast+0x449/0x710 [ 3047.471980][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.471980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.471980][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.471980][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.471980][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.471980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.471980][ T72] [ 3047.473522][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3047.473522][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3047.473522][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3047.473522][ T72] ipv6_find_idev+0x102/0x170 [ 3047.473522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3047.473522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.473522][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.473522][ T72] netlink_unicast+0x449/0x710 [ 3047.473522][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.473522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.473522][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.473522][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.473522][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.473522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.473522][ T72] [ 3047.475347][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3047.475617][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3047.475617][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3047.475617][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3047.475617][ T72] fib6_nh_init+0xa22/0x1580 [ 3047.475617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.475617][ T72] ip6_route_add+0x1c/0x140 [ 3047.475617][ T72] inet6_rtm_newroute+0x104/0x110 [ 3047.475617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.475617][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.475617][ T72] netlink_unicast+0x449/0x710 [ 3047.475617][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.475617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.475617][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.475617][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.475617][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.475617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.475617][ T72] [ 3047.477825][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3047.477825][ T72] dst_init+0x84/0x4a0 [ 3047.477825][ T72] dst_alloc+0x97/0x150 [ 3047.477825][ T72] ip6_dst_alloc+0x23/0x90 [ 3047.477825][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3047.477825][ T72] ip6_pol_route+0x56f/0x840 [ 3047.477825][ T72] fib6_rule_lookup+0x456/0x630 [ 3047.477825][ T72] ip6_route_input+0x59c/0xa50 [ 3047.477825][ T72] ipv6_rcv+0x397/0x810 [ 3047.477825][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3047.477825][ T72] process_backlog+0x101/0x620 [ 3047.477825][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3047.477825][ T72] net_rx_action+0x495/0xbe0 [ 3047.477825][ T72] __do_softirq+0x1b5/0x7f6 [ 3047.477825][ T72] [ 3047.479636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3047.479636][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.479636][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.479636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.479636][ T72] ip6_route_add+0x1c/0x140 [ 3047.479636][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3047.479636][ T72] inet6_addr_add+0x4f8/0xa40 [ 3047.479636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.479636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.479636][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.479636][ T72] netlink_unicast+0x449/0x710 [ 3047.479636][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.479636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.479636][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.479636][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.479636][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.479636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.479636][ T72] [ 3047.481855][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3047.481855][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.481855][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.481855][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.481855][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3047.481855][ T72] ipv6_add_addr+0x411/0x2000 [ 3047.481855][ T72] inet6_addr_add+0x30e/0xa40 [ 3047.481855][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.481855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.481855][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.481855][ T72] netlink_unicast+0x449/0x710 [ 3047.481855][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.481855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.481855][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.481855][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.481855][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.481855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.481855][ T72] [ 3047.484054][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3047.484054][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.484054][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.484054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.484054][ T72] ip6_route_add+0x1c/0x140 [ 3047.484054][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3047.484054][ T72] addrconf_add_dev+0xe2/0x170 [ 3047.484054][ T72] inet6_addr_add+0x12f/0xa40 [ 3047.484054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.484054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.484054][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.484054][ T72] netlink_unicast+0x449/0x710 [ 3047.484054][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.484054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.484054][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.484054][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.484054][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.484054][ T72] [ 3047.486340][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3047.486340][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3047.486340][ T72] ipv6_find_idev+0x102/0x170 [ 3047.486340][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3047.486340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.486340][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.486340][ T72] netlink_unicast+0x449/0x710 [ 3047.486340][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.486340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.486340][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.486340][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.486340][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.486340][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.486340][ T72] [ 3047.488085][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3047.488085][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3047.488085][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3047.488085][ T72] ipv6_find_idev+0x102/0x170 [ 3047.488085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3047.488085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.488085][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.488085][ T72] netlink_unicast+0x449/0x710 [ 3047.488085][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.488085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.488085][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.488085][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.488085][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.488085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.488085][ T72] [ 3047.490579][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3047.490924][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3047.490924][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.490924][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.490924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.490924][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3047.490924][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3047.490924][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3047.490924][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3047.490924][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3047.490924][ T72] addrconf_dad_begin+0x310/0x670 [ 3047.490924][ T72] addrconf_dad_work+0x10b/0xab0 [ 3047.490924][ T72] process_one_work+0x84d/0x18a0 [ 3047.490924][ T72] worker_thread+0x587/0xd30 [ 3047.490924][ T72] kthread+0x28a/0x350 [ 3047.490924][ T72] ret_from_fork+0x31/0x70 [ 3047.490924][ T72] ret_from_fork_asm+0x1a/0x30 [ 3047.490924][ T72] [ 3047.493029][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3047.493029][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.493029][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.493029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.493029][ T72] ip6_route_add+0x1c/0x140 [ 3047.493029][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3047.493029][ T72] inet6_addr_add+0x4f8/0xa40 [ 3047.493029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.493029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.493029][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.493029][ T72] netlink_unicast+0x449/0x710 [ 3047.493029][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.493029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.493029][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.493029][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.493029][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.493029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.493029][ T72] [ 3047.495277][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3047.495277][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.495277][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.495277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.495277][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3047.495277][ T72] ipv6_add_addr+0x411/0x2000 [ 3047.495277][ T72] inet6_addr_add+0x30e/0xa40 [ 3047.495277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.495277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.495277][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.495277][ T72] netlink_unicast+0x449/0x710 [ 3047.495277][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.495277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.495277][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.495277][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.495277][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.495277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.495277][ T72] [ 3047.497583][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3047.497583][ T72] netdev_get_by_index+0x5e/0x80 [ 3047.497583][ T72] fib6_nh_init+0x3d8/0x1580 [ 3047.497583][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3047.497583][ T72] ip6_route_add+0x1c/0x140 [ 3047.497583][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3047.497583][ T72] addrconf_add_dev+0xe2/0x170 [ 3047.497583][ T72] inet6_addr_add+0x12f/0xa40 [ 3047.497583][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3047.497583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.497583][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.497583][ T72] netlink_unicast+0x449/0x710 [ 3047.497583][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.497583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.497583][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.497583][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.497583][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.497583][ T72] [ 3047.499671][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3047.499671][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3047.499671][ T72] ipv6_find_idev+0x102/0x170 [ 3047.499671][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3047.499671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.499671][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.499671][ T72] netlink_unicast+0x449/0x710 [ 3047.499671][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.499671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.499671][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.499671][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.499671][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.499671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.499671][ T72] [ 3047.501355][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3047.501355][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3047.501355][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3047.501355][ T72] ipv6_find_idev+0x102/0x170 [ 3047.501355][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3047.501355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3047.501355][ T72] netlink_rcv_skb+0x130/0x360 [ 3047.501355][ T72] netlink_unicast+0x449/0x710 [ 3047.501355][ T72] netlink_sendmsg+0x723/0xbe0 [ 3047.501355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3047.501355][ T72] ___sys_sendmsg+0xee/0x170 [ 3047.501355][ T72] __sys_sendmsg+0xcd/0x170 [ 3047.501355][ T72] do_syscall_64+0xc6/0x1e0 [ 3047.501355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3047.501355][ T72] [ 3057.616914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3057.617414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3057.617414][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3057.617414][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3057.617414][ T72] fib6_nh_init+0xa22/0x1580 [ 3057.617414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.617414][ T72] ip6_route_add+0x1c/0x140 [ 3057.617414][ T72] inet6_rtm_newroute+0x104/0x110 [ 3057.617414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.617414][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.617414][ T72] netlink_unicast+0x449/0x710 [ 3057.617414][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.617414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.617414][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.617414][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.617414][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.617414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.617414][ T72] [ 3057.619282][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3057.619282][ T72] dst_init+0x84/0x4a0 [ 3057.619282][ T72] dst_alloc+0x97/0x150 [ 3057.619282][ T72] ip6_dst_alloc+0x23/0x90 [ 3057.619282][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3057.619282][ T72] ip6_pol_route+0x56f/0x840 [ 3057.619282][ T72] fib6_rule_lookup+0x456/0x630 [ 3057.619282][ T72] ip6_route_input+0x59c/0xa50 [ 3057.619282][ T72] ipv6_rcv+0x397/0x810 [ 3057.619282][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3057.619282][ T72] process_backlog+0x101/0x620 [ 3057.619282][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3057.619282][ T72] net_rx_action+0x495/0xbe0 [ 3057.619282][ T72] __do_softirq+0x1b5/0x7f6 [ 3057.619282][ T72] [ 3057.620894][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3057.620894][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.620894][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.620894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.620894][ T72] ip6_route_add+0x1c/0x140 [ 3057.620894][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3057.620894][ T72] inet6_addr_add+0x4f8/0xa40 [ 3057.620894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.620894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.620894][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.620894][ T72] netlink_unicast+0x449/0x710 [ 3057.620894][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.620894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.620894][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.620894][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.620894][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.620894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.620894][ T72] [ 3057.622887][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3057.622887][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.622887][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.622887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.622887][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3057.622887][ T72] ipv6_add_addr+0x411/0x2000 [ 3057.622887][ T72] inet6_addr_add+0x30e/0xa40 [ 3057.622887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.622887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.622887][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.622887][ T72] netlink_unicast+0x449/0x710 [ 3057.622887][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.622887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.622887][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.622887][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.622887][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.622887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.622887][ T72] [ 3057.624890][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3057.624890][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.624890][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.624890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.624890][ T72] ip6_route_add+0x1c/0x140 [ 3057.624890][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3057.624890][ T72] addrconf_add_dev+0xe2/0x170 [ 3057.624890][ T72] inet6_addr_add+0x12f/0xa40 [ 3057.624890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.624890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.624890][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.624890][ T72] netlink_unicast+0x449/0x710 [ 3057.624890][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.624890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.624890][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.624890][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.624890][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.624890][ T72] [ 3057.626803][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3057.626803][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3057.626803][ T72] ipv6_find_idev+0x102/0x170 [ 3057.626803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3057.626803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.626803][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.626803][ T72] netlink_unicast+0x449/0x710 [ 3057.626803][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.626803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.626803][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.626803][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.626803][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.626803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.626803][ T72] [ 3057.628290][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3057.628290][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3057.628290][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3057.628290][ T72] ipv6_find_idev+0x102/0x170 [ 3057.628290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3057.628290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.628290][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.628290][ T72] netlink_unicast+0x449/0x710 [ 3057.628290][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.628290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.628290][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.628290][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.628290][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.628290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.628290][ T72] [ 3057.629929][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3057.630218][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3057.630218][ T72] dst_init+0x84/0x4a0 [ 3057.630218][ T72] dst_alloc+0x97/0x150 [ 3057.630218][ T72] ip6_dst_alloc+0x23/0x90 [ 3057.630218][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3057.630218][ T72] ip6_pol_route+0x56f/0x840 [ 3057.630218][ T72] fib6_rule_lookup+0x456/0x630 [ 3057.630218][ T72] ip6_route_input+0x59c/0xa50 [ 3057.630218][ T72] ipv6_rcv+0x397/0x810 [ 3057.630218][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3057.630218][ T72] process_backlog+0x101/0x620 [ 3057.630218][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3057.630218][ T72] net_rx_action+0x495/0xbe0 [ 3057.630218][ T72] __do_softirq+0x1b5/0x7f6 [ 3057.630218][ T72] [ 3057.631868][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3057.631868][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.631868][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.631868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.631868][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3057.631868][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3057.631868][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3057.631868][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3057.631868][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3057.631868][ T72] addrconf_dad_begin+0x310/0x670 [ 3057.631868][ T72] addrconf_dad_work+0x10b/0xab0 [ 3057.631868][ T72] process_one_work+0x84d/0x18a0 [ 3057.631868][ T72] worker_thread+0x587/0xd30 [ 3057.631868][ T72] kthread+0x28a/0x350 [ 3057.631868][ T72] ret_from_fork+0x31/0x70 [ 3057.631868][ T72] ret_from_fork_asm+0x1a/0x30 [ 3057.631868][ T72] [ 3057.633750][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3057.633750][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.633750][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.633750][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.633750][ T72] ip6_route_add+0x1c/0x140 [ 3057.633750][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3057.633750][ T72] inet6_addr_add+0x4f8/0xa40 [ 3057.633750][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.633750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.633750][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.633750][ T72] netlink_unicast+0x449/0x710 [ 3057.633750][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.633750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.633750][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.633750][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.633750][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.633750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.633750][ T72] [ 3057.635756][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3057.635756][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.635756][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.635756][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.635756][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3057.635756][ T72] ipv6_add_addr+0x411/0x2000 [ 3057.635756][ T72] inet6_addr_add+0x30e/0xa40 [ 3057.635756][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.635756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.635756][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.635756][ T72] netlink_unicast+0x449/0x710 [ 3057.635756][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.635756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.635756][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.635756][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.635756][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.635756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.635756][ T72] [ 3057.637737][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3057.637737][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.637737][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.637737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.637737][ T72] ip6_route_add+0x1c/0x140 [ 3057.637737][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3057.637737][ T72] addrconf_add_dev+0xe2/0x170 [ 3057.637737][ T72] inet6_addr_add+0x12f/0xa40 [ 3057.637737][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.637737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.637737][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.637737][ T72] netlink_unicast+0x449/0x710 [ 3057.637737][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.637737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.637737][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.637737][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.637737][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.637737][ T72] [ 3057.639693][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3057.639693][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3057.639693][ T72] ipv6_find_idev+0x102/0x170 [ 3057.639693][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3057.639693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.639693][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.639693][ T72] netlink_unicast+0x449/0x710 [ 3057.639693][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.639693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.639693][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.639693][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.639693][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.639693][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.639693][ T72] [ 3057.641240][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3057.641240][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3057.641240][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3057.641240][ T72] ipv6_find_idev+0x102/0x170 [ 3057.641240][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3057.641240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.641240][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.641240][ T72] netlink_unicast+0x449/0x710 [ 3057.641240][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.641240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.641240][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.641240][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.641240][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.641240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.641240][ T72] [ 3057.643030][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3057.643295][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3057.643295][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3057.643295][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3057.643295][ T72] fib6_nh_init+0xa22/0x1580 [ 3057.643295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.643295][ T72] ip6_route_add+0x1c/0x140 [ 3057.643295][ T72] inet6_rtm_newroute+0x104/0x110 [ 3057.643295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.643295][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.643295][ T72] netlink_unicast+0x449/0x710 [ 3057.643295][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.643295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.643295][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.643295][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.643295][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.643295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.643295][ T72] [ 3057.645481][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3057.645481][ T72] dst_init+0x84/0x4a0 [ 3057.645481][ T72] dst_alloc+0x97/0x150 [ 3057.645481][ T72] ip6_dst_alloc+0x23/0x90 [ 3057.645481][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3057.645481][ T72] ip6_pol_route+0x56f/0x840 [ 3057.645481][ T72] fib6_rule_lookup+0x456/0x630 [ 3057.645481][ T72] ip6_route_input+0x59c/0xa50 [ 3057.645481][ T72] ipv6_rcv+0x397/0x810 [ 3057.645481][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3057.645481][ T72] process_backlog+0x101/0x620 [ 3057.645481][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3057.645481][ T72] net_rx_action+0x495/0xbe0 [ 3057.645481][ T72] __do_softirq+0x1b5/0x7f6 [ 3057.645481][ T72] [ 3057.647287][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3057.647287][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.647287][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.647287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.647287][ T72] ip6_route_add+0x1c/0x140 [ 3057.647287][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3057.647287][ T72] inet6_addr_add+0x4f8/0xa40 [ 3057.647287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.647287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.647287][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.647287][ T72] netlink_unicast+0x449/0x710 [ 3057.647287][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.647287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.647287][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.647287][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.647287][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.647287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.647287][ T72] [ 3057.649456][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3057.649456][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.649456][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.649456][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.649456][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3057.649456][ T72] ipv6_add_addr+0x411/0x2000 [ 3057.649456][ T72] inet6_addr_add+0x30e/0xa40 [ 3057.649456][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.649456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.649456][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.649456][ T72] netlink_unicast+0x449/0x710 [ 3057.649456][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.649456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.649456][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.649456][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.649456][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.649456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.649456][ T72] [ 3057.651686][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3057.651686][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.651686][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.651686][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.651686][ T72] ip6_route_add+0x1c/0x140 [ 3057.651686][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3057.651686][ T72] addrconf_add_dev+0xe2/0x170 [ 3057.651686][ T72] inet6_addr_add+0x12f/0xa40 [ 3057.651686][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.651686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.651686][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.651686][ T72] netlink_unicast+0x449/0x710 [ 3057.651686][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.651686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.651686][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.651686][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.651686][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.651686][ T72] [ 3057.654480][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3057.654480][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3057.654480][ T72] ipv6_find_idev+0x102/0x170 [ 3057.654480][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3057.654480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.654480][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.654480][ T72] netlink_unicast+0x449/0x710 [ 3057.654480][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.654480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.654480][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.654480][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.654480][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.654480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.654480][ T72] [ 3057.656189][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3057.656189][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3057.656189][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3057.656189][ T72] ipv6_find_idev+0x102/0x170 [ 3057.656189][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3057.656189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.656189][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.656189][ T72] netlink_unicast+0x449/0x710 [ 3057.656189][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.656189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.656189][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.656189][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.656189][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.656189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.656189][ T72] [ 3057.658422][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3057.658764][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3057.658764][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.658764][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.658764][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.658764][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3057.658764][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3057.658764][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3057.658764][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3057.658764][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3057.658764][ T72] addrconf_dad_begin+0x310/0x670 [ 3057.658764][ T72] addrconf_dad_work+0x10b/0xab0 [ 3057.658764][ T72] process_one_work+0x84d/0x18a0 [ 3057.658764][ T72] worker_thread+0x587/0xd30 [ 3057.658764][ T72] kthread+0x28a/0x350 [ 3057.658764][ T72] ret_from_fork+0x31/0x70 [ 3057.658764][ T72] ret_from_fork_asm+0x1a/0x30 [ 3057.658764][ T72] [ 3057.660780][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3057.660780][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.660780][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.660780][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.660780][ T72] ip6_route_add+0x1c/0x140 [ 3057.660780][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3057.660780][ T72] inet6_addr_add+0x4f8/0xa40 [ 3057.660780][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.660780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.660780][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.660780][ T72] netlink_unicast+0x449/0x710 [ 3057.660780][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.660780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.660780][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.660780][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.660780][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.660780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.660780][ T72] [ 3057.663003][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3057.663003][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.663003][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.663003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.663003][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3057.663003][ T72] ipv6_add_addr+0x411/0x2000 [ 3057.663003][ T72] inet6_addr_add+0x30e/0xa40 [ 3057.663003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.663003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.663003][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.663003][ T72] netlink_unicast+0x449/0x710 [ 3057.663003][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.663003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.663003][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.663003][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.663003][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.663003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.663003][ T72] [ 3057.665316][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3057.665316][ T72] netdev_get_by_index+0x5e/0x80 [ 3057.665316][ T72] fib6_nh_init+0x3d8/0x1580 [ 3057.665316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3057.665316][ T72] ip6_route_add+0x1c/0x140 [ 3057.665316][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3057.665316][ T72] addrconf_add_dev+0xe2/0x170 [ 3057.665316][ T72] inet6_addr_add+0x12f/0xa40 [ 3057.665316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3057.665316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.665316][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.665316][ T72] netlink_unicast+0x449/0x710 [ 3057.665316][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.665316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.665316][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.665316][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.665316][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.665316][ T72] [ 3057.667513][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3057.667513][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3057.667513][ T72] ipv6_find_idev+0x102/0x170 [ 3057.667513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3057.667513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.667513][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.667513][ T72] netlink_unicast+0x449/0x710 [ 3057.667513][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.667513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.667513][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.667513][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.667513][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.667513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.667513][ T72] [ 3057.669223][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3057.669223][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3057.669223][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3057.669223][ T72] ipv6_find_idev+0x102/0x170 [ 3057.669223][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3057.669223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3057.669223][ T72] netlink_rcv_skb+0x130/0x360 [ 3057.669223][ T72] netlink_unicast+0x449/0x710 [ 3057.669223][ T72] netlink_sendmsg+0x723/0xbe0 [ 3057.669223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3057.669223][ T72] ___sys_sendmsg+0xee/0x170 [ 3057.669223][ T72] __sys_sendmsg+0xcd/0x170 [ 3057.669223][ T72] do_syscall_64+0xc6/0x1e0 [ 3057.669223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3057.669223][ T72] [ 3067.808981][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3067.809552][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3067.809552][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3067.809552][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3067.809552][ T72] fib6_nh_init+0xa22/0x1580 [ 3067.809552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.809552][ T72] ip6_route_add+0x1c/0x140 [ 3067.809552][ T72] inet6_rtm_newroute+0x104/0x110 [ 3067.809552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.809552][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.809552][ T72] netlink_unicast+0x449/0x710 [ 3067.809552][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.809552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.809552][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.809552][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.809552][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.809552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.809552][ T72] [ 3067.811396][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3067.811396][ T72] dst_init+0x84/0x4a0 [ 3067.811396][ T72] dst_alloc+0x97/0x150 [ 3067.811396][ T72] ip6_dst_alloc+0x23/0x90 [ 3067.811396][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3067.811396][ T72] ip6_pol_route+0x56f/0x840 [ 3067.811396][ T72] fib6_rule_lookup+0x456/0x630 [ 3067.811396][ T72] ip6_route_input+0x59c/0xa50 [ 3067.811396][ T72] ipv6_rcv+0x397/0x810 [ 3067.811396][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3067.811396][ T72] process_backlog+0x101/0x620 [ 3067.811396][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3067.811396][ T72] net_rx_action+0x495/0xbe0 [ 3067.811396][ T72] __do_softirq+0x1b5/0x7f6 [ 3067.811396][ T72] [ 3067.813032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3067.813032][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.813032][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.813032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.813032][ T72] ip6_route_add+0x1c/0x140 [ 3067.813032][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3067.813032][ T72] inet6_addr_add+0x4f8/0xa40 [ 3067.813032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.813032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.813032][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.813032][ T72] netlink_unicast+0x449/0x710 [ 3067.813032][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.813032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.813032][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.813032][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.813032][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.813032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.813032][ T72] [ 3067.815057][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3067.815057][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.815057][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.815057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.815057][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3067.815057][ T72] ipv6_add_addr+0x411/0x2000 [ 3067.815057][ T72] inet6_addr_add+0x30e/0xa40 [ 3067.815057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.815057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.815057][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.815057][ T72] netlink_unicast+0x449/0x710 [ 3067.815057][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.815057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.815057][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.815057][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.815057][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.815057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.815057][ T72] [ 3067.817047][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3067.817047][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.817047][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.817047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.817047][ T72] ip6_route_add+0x1c/0x140 [ 3067.817047][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3067.817047][ T72] addrconf_add_dev+0xe2/0x170 [ 3067.817047][ T72] inet6_addr_add+0x12f/0xa40 [ 3067.817047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.817047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.817047][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.817047][ T72] netlink_unicast+0x449/0x710 [ 3067.817047][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.817047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.817047][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.817047][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.817047][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.817047][ T72] [ 3067.819003][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3067.819003][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3067.819003][ T72] ipv6_find_idev+0x102/0x170 [ 3067.819003][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3067.819003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.819003][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.819003][ T72] netlink_unicast+0x449/0x710 [ 3067.819003][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.819003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.819003][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.819003][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.819003][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.819003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.819003][ T72] [ 3067.820547][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3067.820547][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3067.820547][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3067.820547][ T72] ipv6_find_idev+0x102/0x170 [ 3067.820547][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3067.820547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.820547][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.820547][ T72] netlink_unicast+0x449/0x710 [ 3067.820547][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.820547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.820547][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.820547][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.820547][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.820547][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.820547][ T72] [ 3067.822266][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3067.822546][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3067.822546][ T72] dst_init+0x84/0x4a0 [ 3067.822546][ T72] dst_alloc+0x97/0x150 [ 3067.822546][ T72] ip6_dst_alloc+0x23/0x90 [ 3067.822546][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3067.822546][ T72] ip6_pol_route+0x56f/0x840 [ 3067.822546][ T72] fib6_rule_lookup+0x456/0x630 [ 3067.822546][ T72] ip6_route_input+0x59c/0xa50 [ 3067.822546][ T72] ipv6_rcv+0x397/0x810 [ 3067.822546][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3067.822546][ T72] process_backlog+0x101/0x620 [ 3067.822546][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3067.822546][ T72] net_rx_action+0x495/0xbe0 [ 3067.822546][ T72] __do_softirq+0x1b5/0x7f6 [ 3067.822546][ T72] [ 3067.824190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3067.824190][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.824190][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.824190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.824190][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3067.824190][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3067.824190][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3067.824190][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3067.824190][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3067.824190][ T72] addrconf_dad_begin+0x310/0x670 [ 3067.824190][ T72] addrconf_dad_work+0x10b/0xab0 [ 3067.824190][ T72] process_one_work+0x84d/0x18a0 [ 3067.824190][ T72] worker_thread+0x587/0xd30 [ 3067.824190][ T72] kthread+0x28a/0x350 [ 3067.824190][ T72] ret_from_fork+0x31/0x70 [ 3067.824190][ T72] ret_from_fork_asm+0x1a/0x30 [ 3067.824190][ T72] [ 3067.826097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3067.826097][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.826097][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.826097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.826097][ T72] ip6_route_add+0x1c/0x140 [ 3067.826097][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3067.826097][ T72] inet6_addr_add+0x4f8/0xa40 [ 3067.826097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.826097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.826097][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.826097][ T72] netlink_unicast+0x449/0x710 [ 3067.826097][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.826097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.826097][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.826097][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.826097][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.826097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.826097][ T72] [ 3067.828074][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3067.828074][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.828074][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.828074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.828074][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3067.828074][ T72] ipv6_add_addr+0x411/0x2000 [ 3067.828074][ T72] inet6_addr_add+0x30e/0xa40 [ 3067.828074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.828074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.828074][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.828074][ T72] netlink_unicast+0x449/0x710 [ 3067.828074][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.828074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.828074][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.828074][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.828074][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.828074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.828074][ T72] [ 3067.830052][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3067.830052][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.830052][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.830052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.830052][ T72] ip6_route_add+0x1c/0x140 [ 3067.830052][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3067.830052][ T72] addrconf_add_dev+0xe2/0x170 [ 3067.830052][ T72] inet6_addr_add+0x12f/0xa40 [ 3067.830052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.830052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.830052][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.830052][ T72] netlink_unicast+0x449/0x710 [ 3067.830052][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.830052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.830052][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.830052][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.830052][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.830052][ T72] [ 3067.831997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3067.831997][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3067.831997][ T72] ipv6_find_idev+0x102/0x170 [ 3067.831997][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3067.831997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.831997][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.831997][ T72] netlink_unicast+0x449/0x710 [ 3067.831997][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.831997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.831997][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.831997][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.831997][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.831997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.831997][ T72] [ 3067.833540][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3067.833540][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3067.833540][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3067.833540][ T72] ipv6_find_idev+0x102/0x170 [ 3067.833540][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3067.833540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.833540][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.833540][ T72] netlink_unicast+0x449/0x710 [ 3067.833540][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.833540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.833540][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.833540][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.833540][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.833540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.833540][ T72] [ 3067.835327][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3067.835597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3067.835597][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3067.835597][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3067.835597][ T72] fib6_nh_init+0xa22/0x1580 [ 3067.835597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.835597][ T72] ip6_route_add+0x1c/0x140 [ 3067.835597][ T72] inet6_rtm_newroute+0x104/0x110 [ 3067.835597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.835597][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.835597][ T72] netlink_unicast+0x449/0x710 [ 3067.835597][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.835597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.835597][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.835597][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.835597][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.835597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.835597][ T72] [ 3067.837742][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3067.837742][ T72] dst_init+0x84/0x4a0 [ 3067.837742][ T72] dst_alloc+0x97/0x150 [ 3067.837742][ T72] ip6_dst_alloc+0x23/0x90 [ 3067.837742][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3067.837742][ T72] ip6_pol_route+0x56f/0x840 [ 3067.837742][ T72] fib6_rule_lookup+0x456/0x630 [ 3067.837742][ T72] ip6_route_input+0x59c/0xa50 [ 3067.837742][ T72] ipv6_rcv+0x397/0x810 [ 3067.837742][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3067.837742][ T72] process_backlog+0x101/0x620 [ 3067.837742][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3067.837742][ T72] net_rx_action+0x495/0xbe0 [ 3067.837742][ T72] __do_softirq+0x1b5/0x7f6 [ 3067.837742][ T72] [ 3067.839555][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3067.839555][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.839555][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.839555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.839555][ T72] ip6_route_add+0x1c/0x140 [ 3067.839555][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3067.839555][ T72] inet6_addr_add+0x4f8/0xa40 [ 3067.839555][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.839555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.839555][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.839555][ T72] netlink_unicast+0x449/0x710 [ 3067.839555][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.839555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.839555][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.839555][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.839555][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.839555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.839555][ T72] [ 3067.841729][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3067.841729][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.841729][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.841729][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.841729][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3067.841729][ T72] ipv6_add_addr+0x411/0x2000 [ 3067.841729][ T72] inet6_addr_add+0x30e/0xa40 [ 3067.841729][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.841729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.841729][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.841729][ T72] netlink_unicast+0x449/0x710 [ 3067.841729][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.841729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.841729][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.841729][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.841729][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.841729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.841729][ T72] [ 3067.843977][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3067.843977][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.843977][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.843977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.843977][ T72] ip6_route_add+0x1c/0x140 [ 3067.843977][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3067.843977][ T72] addrconf_add_dev+0xe2/0x170 [ 3067.843977][ T72] inet6_addr_add+0x12f/0xa40 [ 3067.843977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.843977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.843977][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.843977][ T72] netlink_unicast+0x449/0x710 [ 3067.843977][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.843977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.843977][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.843977][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.843977][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.843977][ T72] [ 3067.846195][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3067.846195][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3067.846195][ T72] ipv6_find_idev+0x102/0x170 [ 3067.846195][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3067.846195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.846195][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.846195][ T72] netlink_unicast+0x449/0x710 [ 3067.846195][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.846195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.846195][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.846195][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.846195][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.846195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.846195][ T72] [ 3067.847929][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3067.847929][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3067.847929][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3067.847929][ T72] ipv6_find_idev+0x102/0x170 [ 3067.847929][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3067.847929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.847929][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.847929][ T72] netlink_unicast+0x449/0x710 [ 3067.847929][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.847929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.847929][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.847929][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.847929][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.847929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.847929][ T72] [ 3067.849772][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3067.850543][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3067.850543][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.850543][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.850543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.850543][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3067.850543][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3067.850543][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3067.850543][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3067.850543][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3067.850543][ T72] addrconf_dad_begin+0x310/0x670 [ 3067.850543][ T72] addrconf_dad_work+0x10b/0xab0 [ 3067.850543][ T72] process_one_work+0x84d/0x18a0 [ 3067.850543][ T72] worker_thread+0x587/0xd30 [ 3067.850543][ T72] kthread+0x28a/0x350 [ 3067.850543][ T72] ret_from_fork+0x31/0x70 [ 3067.850543][ T72] ret_from_fork_asm+0x1a/0x30 [ 3067.850543][ T72] [ 3067.852449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3067.852449][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.852449][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.852449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.852449][ T72] ip6_route_add+0x1c/0x140 [ 3067.852449][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3067.852449][ T72] inet6_addr_add+0x4f8/0xa40 [ 3067.852449][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.852449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.852449][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.852449][ T72] netlink_unicast+0x449/0x710 [ 3067.852449][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.852449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.852449][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.852449][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.852449][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.852449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.852449][ T72] [ 3067.854435][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3067.854435][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.854435][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.854435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.854435][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3067.854435][ T72] ipv6_add_addr+0x411/0x2000 [ 3067.854435][ T72] inet6_addr_add+0x30e/0xa40 [ 3067.854435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.854435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.854435][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.854435][ T72] netlink_unicast+0x449/0x710 [ 3067.854435][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.854435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.854435][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.854435][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.854435][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.854435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.854435][ T72] [ 3067.856674][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3067.856674][ T72] netdev_get_by_index+0x5e/0x80 [ 3067.856674][ T72] fib6_nh_init+0x3d8/0x1580 [ 3067.856674][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3067.856674][ T72] ip6_route_add+0x1c/0x140 [ 3067.856674][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3067.856674][ T72] addrconf_add_dev+0xe2/0x170 [ 3067.856674][ T72] inet6_addr_add+0x12f/0xa40 [ 3067.856674][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3067.856674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.856674][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.856674][ T72] netlink_unicast+0x449/0x710 [ 3067.856674][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.856674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.856674][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.856674][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.856674][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.856674][ T72] [ 3067.858957][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3067.858957][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3067.858957][ T72] ipv6_find_idev+0x102/0x170 [ 3067.858957][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3067.858957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.858957][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.858957][ T72] netlink_unicast+0x449/0x710 [ 3067.858957][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.858957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.858957][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.858957][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.858957][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.858957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.858957][ T72] [ 3067.860649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3067.860649][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3067.860649][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3067.860649][ T72] ipv6_find_idev+0x102/0x170 [ 3067.860649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3067.860649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3067.860649][ T72] netlink_rcv_skb+0x130/0x360 [ 3067.860649][ T72] netlink_unicast+0x449/0x710 [ 3067.860649][ T72] netlink_sendmsg+0x723/0xbe0 [ 3067.860649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3067.860649][ T72] ___sys_sendmsg+0xee/0x170 [ 3067.860649][ T72] __sys_sendmsg+0xcd/0x170 [ 3067.860649][ T72] do_syscall_64+0xc6/0x1e0 [ 3067.860649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3067.860649][ T72] [ 3078.104997][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3078.105747][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3078.105747][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3078.105747][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3078.105747][ T72] fib6_nh_init+0xa22/0x1580 [ 3078.105747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.105747][ T72] ip6_route_add+0x1c/0x140 [ 3078.105747][ T72] inet6_rtm_newroute+0x104/0x110 [ 3078.105747][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.105747][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.105747][ T72] netlink_unicast+0x449/0x710 [ 3078.105747][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.105747][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.105747][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.105747][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.105747][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.105747][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.105747][ T72] [ 3078.107633][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3078.107633][ T72] dst_init+0x84/0x4a0 [ 3078.107633][ T72] dst_alloc+0x97/0x150 [ 3078.107633][ T72] ip6_dst_alloc+0x23/0x90 [ 3078.107633][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3078.107633][ T72] ip6_pol_route+0x56f/0x840 [ 3078.107633][ T72] fib6_rule_lookup+0x456/0x630 [ 3078.107633][ T72] ip6_route_input+0x59c/0xa50 [ 3078.107633][ T72] ipv6_rcv+0x397/0x810 [ 3078.107633][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3078.107633][ T72] process_backlog+0x101/0x620 [ 3078.107633][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3078.107633][ T72] net_rx_action+0x495/0xbe0 [ 3078.107633][ T72] __do_softirq+0x1b5/0x7f6 [ 3078.107633][ T72] [ 3078.109226][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3078.109226][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.109226][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.109226][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.109226][ T72] ip6_route_add+0x1c/0x140 [ 3078.109226][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3078.109226][ T72] inet6_addr_add+0x4f8/0xa40 [ 3078.109226][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.109226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.109226][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.109226][ T72] netlink_unicast+0x449/0x710 [ 3078.109226][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.109226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.109226][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.109226][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.109226][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.109226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.109226][ T72] [ 3078.111169][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3078.111169][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.111169][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.111169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.111169][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3078.111169][ T72] ipv6_add_addr+0x411/0x2000 [ 3078.111169][ T72] inet6_addr_add+0x30e/0xa40 [ 3078.111169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.111169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.111169][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.111169][ T72] netlink_unicast+0x449/0x710 [ 3078.111169][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.111169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.111169][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.111169][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.111169][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.111169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.111169][ T72] [ 3078.113157][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3078.113157][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.113157][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.113157][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.113157][ T72] ip6_route_add+0x1c/0x140 [ 3078.113157][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3078.113157][ T72] addrconf_add_dev+0xe2/0x170 [ 3078.113157][ T72] inet6_addr_add+0x12f/0xa40 [ 3078.113157][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.113157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.113157][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.113157][ T72] netlink_unicast+0x449/0x710 [ 3078.113157][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.113157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.113157][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.113157][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.113157][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.113157][ T72] [ 3078.115126][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3078.115126][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3078.115126][ T72] ipv6_find_idev+0x102/0x170 [ 3078.115126][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.115126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.115126][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.115126][ T72] netlink_unicast+0x449/0x710 [ 3078.115126][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.115126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.115126][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.115126][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.115126][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.115126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.115126][ T72] [ 3078.116662][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3078.116662][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3078.116662][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3078.116662][ T72] ipv6_find_idev+0x102/0x170 [ 3078.116662][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.116662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.116662][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.116662][ T72] netlink_unicast+0x449/0x710 [ 3078.116662][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.116662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.116662][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.116662][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.116662][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.116662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.116662][ T72] [ 3078.118362][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3078.118638][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3078.118638][ T72] dst_init+0x84/0x4a0 [ 3078.118638][ T72] dst_alloc+0x97/0x150 [ 3078.118638][ T72] ip6_dst_alloc+0x23/0x90 [ 3078.118638][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3078.118638][ T72] ip6_pol_route+0x56f/0x840 [ 3078.118638][ T72] fib6_rule_lookup+0x456/0x630 [ 3078.118638][ T72] ip6_route_input+0x59c/0xa50 [ 3078.118638][ T72] ipv6_rcv+0x397/0x810 [ 3078.118638][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3078.118638][ T72] process_backlog+0x101/0x620 [ 3078.118638][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3078.118638][ T72] net_rx_action+0x495/0xbe0 [ 3078.118638][ T72] __do_softirq+0x1b5/0x7f6 [ 3078.118638][ T72] [ 3078.120271][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3078.120271][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.120271][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.120271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.120271][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3078.120271][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3078.120271][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3078.120271][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3078.120271][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3078.120271][ T72] addrconf_dad_begin+0x310/0x670 [ 3078.120271][ T72] addrconf_dad_work+0x10b/0xab0 [ 3078.120271][ T72] process_one_work+0x84d/0x18a0 [ 3078.120271][ T72] worker_thread+0x587/0xd30 [ 3078.120271][ T72] kthread+0x28a/0x350 [ 3078.120271][ T72] ret_from_fork+0x31/0x70 [ 3078.120271][ T72] ret_from_fork_asm+0x1a/0x30 [ 3078.120271][ T72] [ 3078.122177][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3078.122177][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.122177][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.122177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.122177][ T72] ip6_route_add+0x1c/0x140 [ 3078.122177][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3078.122177][ T72] inet6_addr_add+0x4f8/0xa40 [ 3078.122177][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.122177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.122177][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.122177][ T72] netlink_unicast+0x449/0x710 [ 3078.122177][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.122177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.122177][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.122177][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.122177][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.122177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.122177][ T72] [ 3078.124174][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3078.124174][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.124174][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.124174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.124174][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3078.124174][ T72] ipv6_add_addr+0x411/0x2000 [ 3078.124174][ T72] inet6_addr_add+0x30e/0xa40 [ 3078.124174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.124174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.124174][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.124174][ T72] netlink_unicast+0x449/0x710 [ 3078.124174][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.124174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.124174][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.124174][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.124174][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.124174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.124174][ T72] [ 3078.126178][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3078.126178][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.126178][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.126178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.126178][ T72] ip6_route_add+0x1c/0x140 [ 3078.126178][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3078.126178][ T72] addrconf_add_dev+0xe2/0x170 [ 3078.126178][ T72] inet6_addr_add+0x12f/0xa40 [ 3078.126178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.126178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.126178][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.126178][ T72] netlink_unicast+0x449/0x710 [ 3078.126178][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.126178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.126178][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.126178][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.126178][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.126178][ T72] [ 3078.128113][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3078.128113][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3078.128113][ T72] ipv6_find_idev+0x102/0x170 [ 3078.128113][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.128113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.128113][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.128113][ T72] netlink_unicast+0x449/0x710 [ 3078.128113][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.128113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.128113][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.128113][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.128113][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.128113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.128113][ T72] [ 3078.129654][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3078.129654][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3078.129654][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3078.129654][ T72] ipv6_find_idev+0x102/0x170 [ 3078.129654][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.129654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.129654][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.129654][ T72] netlink_unicast+0x449/0x710 [ 3078.129654][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.129654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.129654][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.129654][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.129654][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.129654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.129654][ T72] [ 3078.131445][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3078.131773][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3078.131773][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3078.131773][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3078.131773][ T72] fib6_nh_init+0xa22/0x1580 [ 3078.131773][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.131773][ T72] ip6_route_add+0x1c/0x140 [ 3078.131773][ T72] inet6_rtm_newroute+0x104/0x110 [ 3078.131773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.131773][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.131773][ T72] netlink_unicast+0x449/0x710 [ 3078.131773][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.131773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.131773][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.131773][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.131773][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.131773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.131773][ T72] [ 3078.133910][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3078.133910][ T72] dst_init+0x84/0x4a0 [ 3078.133910][ T72] dst_alloc+0x97/0x150 [ 3078.133910][ T72] ip6_dst_alloc+0x23/0x90 [ 3078.133910][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3078.133910][ T72] ip6_pol_route+0x56f/0x840 [ 3078.133910][ T72] fib6_rule_lookup+0x456/0x630 [ 3078.133910][ T72] ip6_route_input+0x59c/0xa50 [ 3078.133910][ T72] ipv6_rcv+0x397/0x810 [ 3078.133910][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3078.133910][ T72] process_backlog+0x101/0x620 [ 3078.133910][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3078.133910][ T72] net_rx_action+0x495/0xbe0 [ 3078.133910][ T72] __do_softirq+0x1b5/0x7f6 [ 3078.133910][ T72] [ 3078.136235][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3078.136235][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.136235][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.136235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.136235][ T72] ip6_route_add+0x1c/0x140 [ 3078.136235][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3078.136235][ T72] inet6_addr_add+0x4f8/0xa40 [ 3078.136235][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.136235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.136235][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.136235][ T72] netlink_unicast+0x449/0x710 [ 3078.136235][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.136235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.136235][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.136235][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.136235][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.136235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.136235][ T72] [ 3078.138455][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3078.138455][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.138455][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.138455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.138455][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3078.138455][ T72] ipv6_add_addr+0x411/0x2000 [ 3078.138455][ T72] inet6_addr_add+0x30e/0xa40 [ 3078.138455][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.138455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.138455][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.138455][ T72] netlink_unicast+0x449/0x710 [ 3078.138455][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.138455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.138455][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.138455][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.138455][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.138455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.138455][ T72] [ 3078.140690][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3078.140690][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.140690][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.140690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.140690][ T72] ip6_route_add+0x1c/0x140 [ 3078.140690][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3078.140690][ T72] addrconf_add_dev+0xe2/0x170 [ 3078.140690][ T72] inet6_addr_add+0x12f/0xa40 [ 3078.140690][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.140690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.140690][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.140690][ T72] netlink_unicast+0x449/0x710 [ 3078.140690][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.140690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.140690][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.140690][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.140690][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.140690][ T72] [ 3078.142923][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3078.142923][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3078.142923][ T72] ipv6_find_idev+0x102/0x170 [ 3078.142923][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.142923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.142923][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.142923][ T72] netlink_unicast+0x449/0x710 [ 3078.142923][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.142923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.142923][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.142923][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.142923][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.142923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.142923][ T72] [ 3078.144632][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3078.144632][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3078.144632][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3078.144632][ T72] ipv6_find_idev+0x102/0x170 [ 3078.144632][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.144632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.144632][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.144632][ T72] netlink_unicast+0x449/0x710 [ 3078.144632][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.144632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.144632][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.144632][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.144632][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.144632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.144632][ T72] [ 3078.146482][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3078.146754][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3078.146754][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.146754][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.146754][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.146754][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3078.146754][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3078.146754][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3078.146754][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3078.146754][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3078.146754][ T72] addrconf_dad_begin+0x310/0x670 [ 3078.146754][ T72] addrconf_dad_work+0x10b/0xab0 [ 3078.146754][ T72] process_one_work+0x84d/0x18a0 [ 3078.146754][ T72] worker_thread+0x587/0xd30 [ 3078.146754][ T72] kthread+0x28a/0x350 [ 3078.146754][ T72] ret_from_fork+0x31/0x70 [ 3078.146754][ T72] ret_from_fork_asm+0x1a/0x30 [ 3078.146754][ T72] [ 3078.148887][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3078.148887][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.148887][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.148887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.148887][ T72] ip6_route_add+0x1c/0x140 [ 3078.148887][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3078.148887][ T72] inet6_addr_add+0x4f8/0xa40 [ 3078.148887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.148887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.148887][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.148887][ T72] netlink_unicast+0x449/0x710 [ 3078.148887][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.148887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.148887][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.148887][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.148887][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.148887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.148887][ T72] [ 3078.151488][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3078.151488][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.151488][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.151488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.151488][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3078.151488][ T72] ipv6_add_addr+0x411/0x2000 [ 3078.151488][ T72] inet6_addr_add+0x30e/0xa40 [ 3078.151488][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.151488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.151488][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.151488][ T72] netlink_unicast+0x449/0x710 [ 3078.151488][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.151488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.151488][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.151488][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.151488][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.151488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.151488][ T72] [ 3078.153781][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3078.153781][ T72] netdev_get_by_index+0x5e/0x80 [ 3078.153781][ T72] fib6_nh_init+0x3d8/0x1580 [ 3078.153781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3078.153781][ T72] ip6_route_add+0x1c/0x140 [ 3078.153781][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3078.153781][ T72] addrconf_add_dev+0xe2/0x170 [ 3078.153781][ T72] inet6_addr_add+0x12f/0xa40 [ 3078.153781][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.153781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.153781][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.153781][ T72] netlink_unicast+0x449/0x710 [ 3078.153781][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.153781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.153781][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.153781][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.153781][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.153781][ T72] [ 3078.155902][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3078.155902][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3078.155902][ T72] ipv6_find_idev+0x102/0x170 [ 3078.155902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.155902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.155902][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.155902][ T72] netlink_unicast+0x449/0x710 [ 3078.155902][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.155902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.155902][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.155902][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.155902][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.155902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.155902][ T72] [ 3078.157595][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3078.157595][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3078.157595][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3078.157595][ T72] ipv6_find_idev+0x102/0x170 [ 3078.157595][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.157595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.157595][ T72] netlink_rcv_skb+0x130/0x360 [ 3078.157595][ T72] netlink_unicast+0x449/0x710 [ 3078.157595][ T72] netlink_sendmsg+0x723/0xbe0 [ 3078.157595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3078.157595][ T72] ___sys_sendmsg+0xee/0x170 [ 3078.157595][ T72] __sys_sendmsg+0xcd/0x170 [ 3078.157595][ T72] do_syscall_64+0xc6/0x1e0 [ 3078.157595][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.157595][ T72] [ 3088.400985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3088.401478][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3088.401478][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3088.401478][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3088.401478][ T72] fib6_nh_init+0xa22/0x1580 [ 3088.401478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.401478][ T72] ip6_route_add+0x1c/0x140 [ 3088.401478][ T72] inet6_rtm_newroute+0x104/0x110 [ 3088.401478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.401478][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.401478][ T72] netlink_unicast+0x449/0x710 [ 3088.401478][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.401478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.401478][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.401478][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.401478][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.401478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.401478][ T72] [ 3088.403327][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3088.403327][ T72] dst_init+0x84/0x4a0 [ 3088.403327][ T72] dst_alloc+0x97/0x150 [ 3088.403327][ T72] ip6_dst_alloc+0x23/0x90 [ 3088.403327][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3088.403327][ T72] ip6_pol_route+0x56f/0x840 [ 3088.403327][ T72] fib6_rule_lookup+0x456/0x630 [ 3088.403327][ T72] ip6_route_input+0x59c/0xa50 [ 3088.403327][ T72] ipv6_rcv+0x397/0x810 [ 3088.403327][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3088.403327][ T72] process_backlog+0x101/0x620 [ 3088.403327][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3088.403327][ T72] net_rx_action+0x495/0xbe0 [ 3088.403327][ T72] __do_softirq+0x1b5/0x7f6 [ 3088.403327][ T72] [ 3088.404939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3088.404939][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.404939][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.404939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.404939][ T72] ip6_route_add+0x1c/0x140 [ 3088.404939][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3088.404939][ T72] inet6_addr_add+0x4f8/0xa40 [ 3088.404939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.404939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.404939][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.404939][ T72] netlink_unicast+0x449/0x710 [ 3088.404939][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.404939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.404939][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.404939][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.404939][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.404939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.404939][ T72] [ 3088.406884][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3088.406884][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.406884][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.406884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.406884][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3088.406884][ T72] ipv6_add_addr+0x411/0x2000 [ 3088.406884][ T72] inet6_addr_add+0x30e/0xa40 [ 3088.406884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.406884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.406884][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.406884][ T72] netlink_unicast+0x449/0x710 [ 3088.406884][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.406884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.406884][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.406884][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.406884][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.406884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.406884][ T72] [ 3088.408823][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3088.408823][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.408823][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.408823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.408823][ T72] ip6_route_add+0x1c/0x140 [ 3088.408823][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3088.408823][ T72] addrconf_add_dev+0xe2/0x170 [ 3088.408823][ T72] inet6_addr_add+0x12f/0xa40 [ 3088.408823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.408823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.408823][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.408823][ T72] netlink_unicast+0x449/0x710 [ 3088.408823][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.408823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.408823][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.408823][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.408823][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.408823][ T72] [ 3088.410803][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3088.410803][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3088.410803][ T72] ipv6_find_idev+0x102/0x170 [ 3088.410803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.410803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.410803][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.410803][ T72] netlink_unicast+0x449/0x710 [ 3088.410803][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.410803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.410803][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.410803][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.410803][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.410803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.410803][ T72] [ 3088.412299][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3088.412299][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3088.412299][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3088.412299][ T72] ipv6_find_idev+0x102/0x170 [ 3088.412299][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.412299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.412299][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.412299][ T72] netlink_unicast+0x449/0x710 [ 3088.412299][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.412299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.412299][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.412299][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.412299][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.412299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.412299][ T72] [ 3088.413989][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3088.414281][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3088.414281][ T72] dst_init+0x84/0x4a0 [ 3088.414281][ T72] dst_alloc+0x97/0x150 [ 3088.414281][ T72] ip6_dst_alloc+0x23/0x90 [ 3088.414281][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3088.414281][ T72] ip6_pol_route+0x56f/0x840 [ 3088.414281][ T72] fib6_rule_lookup+0x456/0x630 [ 3088.414281][ T72] ip6_route_input+0x59c/0xa50 [ 3088.414281][ T72] ipv6_rcv+0x397/0x810 [ 3088.414281][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3088.414281][ T72] process_backlog+0x101/0x620 [ 3088.414281][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3088.414281][ T72] net_rx_action+0x495/0xbe0 [ 3088.414281][ T72] __do_softirq+0x1b5/0x7f6 [ 3088.414281][ T72] [ 3088.415921][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3088.415921][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.415921][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.415921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.415921][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3088.415921][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3088.415921][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3088.415921][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3088.415921][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3088.415921][ T72] addrconf_dad_begin+0x310/0x670 [ 3088.415921][ T72] addrconf_dad_work+0x10b/0xab0 [ 3088.415921][ T72] process_one_work+0x84d/0x18a0 [ 3088.415921][ T72] worker_thread+0x587/0xd30 [ 3088.415921][ T72] kthread+0x28a/0x350 [ 3088.415921][ T72] ret_from_fork+0x31/0x70 [ 3088.415921][ T72] ret_from_fork_asm+0x1a/0x30 [ 3088.415921][ T72] [ 3088.417796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3088.417796][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.417796][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.417796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.417796][ T72] ip6_route_add+0x1c/0x140 [ 3088.417796][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3088.417796][ T72] inet6_addr_add+0x4f8/0xa40 [ 3088.417796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.417796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.417796][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.417796][ T72] netlink_unicast+0x449/0x710 [ 3088.417796][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.417796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.417796][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.417796][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.417796][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.417796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.417796][ T72] [ 3088.419769][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3088.419769][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.419769][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.419769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.419769][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3088.419769][ T72] ipv6_add_addr+0x411/0x2000 [ 3088.419769][ T72] inet6_addr_add+0x30e/0xa40 [ 3088.419769][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.419769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.419769][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.419769][ T72] netlink_unicast+0x449/0x710 [ 3088.419769][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.419769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.419769][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.419769][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.419769][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.419769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.419769][ T72] [ 3088.421741][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3088.421741][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.421741][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.421741][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.421741][ T72] ip6_route_add+0x1c/0x140 [ 3088.421741][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3088.421741][ T72] addrconf_add_dev+0xe2/0x170 [ 3088.421741][ T72] inet6_addr_add+0x12f/0xa40 [ 3088.421741][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.421741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.421741][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.421741][ T72] netlink_unicast+0x449/0x710 [ 3088.421741][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.421741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.421741][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.421741][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.421741][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.421741][ T72] [ 3088.423678][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3088.423678][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3088.423678][ T72] ipv6_find_idev+0x102/0x170 [ 3088.423678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.423678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.423678][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.423678][ T72] netlink_unicast+0x449/0x710 [ 3088.423678][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.423678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.423678][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.423678][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.423678][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.423678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.423678][ T72] [ 3088.425196][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3088.425196][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3088.425196][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3088.425196][ T72] ipv6_find_idev+0x102/0x170 [ 3088.425196][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.425196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.425196][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.425196][ T72] netlink_unicast+0x449/0x710 [ 3088.425196][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.425196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.425196][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.425196][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.425196][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.425196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.425196][ T72] [ 3088.426936][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3088.427258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3088.427258][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3088.427258][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3088.427258][ T72] fib6_nh_init+0xa22/0x1580 [ 3088.427258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.427258][ T72] ip6_route_add+0x1c/0x140 [ 3088.427258][ T72] inet6_rtm_newroute+0x104/0x110 [ 3088.427258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.427258][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.427258][ T72] netlink_unicast+0x449/0x710 [ 3088.427258][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.427258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.427258][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.427258][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.427258][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.427258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.427258][ T72] [ 3088.429354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3088.429354][ T72] dst_init+0x84/0x4a0 [ 3088.429354][ T72] dst_alloc+0x97/0x150 [ 3088.429354][ T72] ip6_dst_alloc+0x23/0x90 [ 3088.429354][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3088.429354][ T72] ip6_pol_route+0x56f/0x840 [ 3088.429354][ T72] fib6_rule_lookup+0x456/0x630 [ 3088.429354][ T72] ip6_route_input+0x59c/0xa50 [ 3088.429354][ T72] ipv6_rcv+0x397/0x810 [ 3088.429354][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3088.429354][ T72] process_backlog+0x101/0x620 [ 3088.429354][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3088.429354][ T72] net_rx_action+0x495/0xbe0 [ 3088.429354][ T72] __do_softirq+0x1b5/0x7f6 [ 3088.429354][ T72] [ 3088.431152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3088.431152][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.431152][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.431152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.431152][ T72] ip6_route_add+0x1c/0x140 [ 3088.431152][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3088.431152][ T72] inet6_addr_add+0x4f8/0xa40 [ 3088.431152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.431152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.431152][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.431152][ T72] netlink_unicast+0x449/0x710 [ 3088.431152][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.431152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.431152][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.431152][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.431152][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.431152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.431152][ T72] [ 3088.433332][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3088.433332][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.433332][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.433332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.433332][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3088.433332][ T72] ipv6_add_addr+0x411/0x2000 [ 3088.433332][ T72] inet6_addr_add+0x30e/0xa40 [ 3088.433332][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.433332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.433332][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.433332][ T72] netlink_unicast+0x449/0x710 [ 3088.433332][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.433332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.433332][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.433332][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.433332][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.433332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.433332][ T72] [ 3088.435492][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3088.435492][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.435492][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.435492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.435492][ T72] ip6_route_add+0x1c/0x140 [ 3088.435492][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3088.435492][ T72] addrconf_add_dev+0xe2/0x170 [ 3088.435492][ T72] inet6_addr_add+0x12f/0xa40 [ 3088.435492][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.435492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.435492][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.435492][ T72] netlink_unicast+0x449/0x710 [ 3088.435492][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.435492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.435492][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.435492][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.435492][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.435492][ T72] [ 3088.437729][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3088.437729][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3088.437729][ T72] ipv6_find_idev+0x102/0x170 [ 3088.437729][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.437729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.437729][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.437729][ T72] netlink_unicast+0x449/0x710 [ 3088.437729][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.437729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.437729][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.437729][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.437729][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.437729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.437729][ T72] [ 3088.439443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3088.439443][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3088.439443][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3088.439443][ T72] ipv6_find_idev+0x102/0x170 [ 3088.439443][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.439443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.439443][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.439443][ T72] netlink_unicast+0x449/0x710 [ 3088.439443][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.439443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.439443][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.439443][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.439443][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.439443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.439443][ T72] [ 3088.441306][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3088.441594][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3088.441594][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.441594][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.441594][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.441594][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3088.441594][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3088.441594][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3088.441594][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3088.441594][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3088.441594][ T72] addrconf_dad_begin+0x310/0x670 [ 3088.441594][ T72] addrconf_dad_work+0x10b/0xab0 [ 3088.441594][ T72] process_one_work+0x84d/0x18a0 [ 3088.441594][ T72] worker_thread+0x587/0xd30 [ 3088.441594][ T72] kthread+0x28a/0x350 [ 3088.441594][ T72] ret_from_fork+0x31/0x70 [ 3088.441594][ T72] ret_from_fork_asm+0x1a/0x30 [ 3088.441594][ T72] [ 3088.443731][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3088.443731][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.443731][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.443731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.443731][ T72] ip6_route_add+0x1c/0x140 [ 3088.443731][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3088.443731][ T72] inet6_addr_add+0x4f8/0xa40 [ 3088.443731][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.443731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.443731][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.443731][ T72] netlink_unicast+0x449/0x710 [ 3088.443731][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.443731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.443731][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.443731][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.443731][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.443731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.443731][ T72] [ 3088.446009][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3088.446009][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.446009][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.446009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.446009][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3088.446009][ T72] ipv6_add_addr+0x411/0x2000 [ 3088.446009][ T72] inet6_addr_add+0x30e/0xa40 [ 3088.446009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.446009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.446009][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.446009][ T72] netlink_unicast+0x449/0x710 [ 3088.446009][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.446009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.446009][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.446009][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.446009][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.446009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.446009][ T72] [ 3088.448257][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3088.448257][ T72] netdev_get_by_index+0x5e/0x80 [ 3088.448257][ T72] fib6_nh_init+0x3d8/0x1580 [ 3088.448257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3088.448257][ T72] ip6_route_add+0x1c/0x140 [ 3088.448257][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3088.448257][ T72] addrconf_add_dev+0xe2/0x170 [ 3088.448257][ T72] inet6_addr_add+0x12f/0xa40 [ 3088.448257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.448257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.448257][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.448257][ T72] netlink_unicast+0x449/0x710 [ 3088.448257][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.448257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.448257][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.448257][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.448257][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.448257][ T72] [ 3088.450410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3088.450410][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3088.450410][ T72] ipv6_find_idev+0x102/0x170 [ 3088.450410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.450410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.450410][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.450410][ T72] netlink_unicast+0x449/0x710 [ 3088.450410][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.450410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.450410][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.450410][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.450410][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.450410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.450410][ T72] [ 3088.452143][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3088.452143][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3088.452143][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3088.452143][ T72] ipv6_find_idev+0x102/0x170 [ 3088.452143][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.452143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.452143][ T72] netlink_rcv_skb+0x130/0x360 [ 3088.452143][ T72] netlink_unicast+0x449/0x710 [ 3088.452143][ T72] netlink_sendmsg+0x723/0xbe0 [ 3088.452143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3088.452143][ T72] ___sys_sendmsg+0xee/0x170 [ 3088.452143][ T72] __sys_sendmsg+0xcd/0x170 [ 3088.452143][ T72] do_syscall_64+0xc6/0x1e0 [ 3088.452143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.452143][ T72] [ 3098.696988][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3098.697796][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3098.697796][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3098.697796][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3098.697796][ T72] fib6_nh_init+0xa22/0x1580 [ 3098.697796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.697796][ T72] ip6_route_add+0x1c/0x140 [ 3098.697796][ T72] inet6_rtm_newroute+0x104/0x110 [ 3098.697796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.697796][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.697796][ T72] netlink_unicast+0x449/0x710 [ 3098.697796][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.697796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.697796][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.697796][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.697796][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.697796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.697796][ T72] [ 3098.699619][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3098.699619][ T72] dst_init+0x84/0x4a0 [ 3098.699619][ T72] dst_alloc+0x97/0x150 [ 3098.699619][ T72] ip6_dst_alloc+0x23/0x90 [ 3098.699619][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3098.699619][ T72] ip6_pol_route+0x56f/0x840 [ 3098.699619][ T72] fib6_rule_lookup+0x456/0x630 [ 3098.699619][ T72] ip6_route_input+0x59c/0xa50 [ 3098.699619][ T72] ipv6_rcv+0x397/0x810 [ 3098.699619][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3098.699619][ T72] process_backlog+0x101/0x620 [ 3098.699619][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3098.699619][ T72] net_rx_action+0x495/0xbe0 [ 3098.699619][ T72] __do_softirq+0x1b5/0x7f6 [ 3098.699619][ T72] [ 3098.701188][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3098.701188][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.701188][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.701188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.701188][ T72] ip6_route_add+0x1c/0x140 [ 3098.701188][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3098.701188][ T72] inet6_addr_add+0x4f8/0xa40 [ 3098.701188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.701188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.701188][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.701188][ T72] netlink_unicast+0x449/0x710 [ 3098.701188][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.701188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.701188][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.701188][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.701188][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.701188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.701188][ T72] [ 3098.703231][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3098.703231][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.703231][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.703231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.703231][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3098.703231][ T72] ipv6_add_addr+0x411/0x2000 [ 3098.703231][ T72] inet6_addr_add+0x30e/0xa40 [ 3098.703231][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.703231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.703231][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.703231][ T72] netlink_unicast+0x449/0x710 [ 3098.703231][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.703231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.703231][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.703231][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.703231][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.703231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.703231][ T72] [ 3098.705212][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3098.705212][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.705212][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.705212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.705212][ T72] ip6_route_add+0x1c/0x140 [ 3098.705212][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3098.705212][ T72] addrconf_add_dev+0xe2/0x170 [ 3098.705212][ T72] inet6_addr_add+0x12f/0xa40 [ 3098.705212][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.705212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.705212][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.705212][ T72] netlink_unicast+0x449/0x710 [ 3098.705212][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.705212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.705212][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.705212][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.705212][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.705212][ T72] [ 3098.707177][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3098.707177][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3098.707177][ T72] ipv6_find_idev+0x102/0x170 [ 3098.707177][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3098.707177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.707177][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.707177][ T72] netlink_unicast+0x449/0x710 [ 3098.707177][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.707177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.707177][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.707177][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.707177][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.707177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.707177][ T72] [ 3098.708625][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3098.708625][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3098.708625][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3098.708625][ T72] ipv6_find_idev+0x102/0x170 [ 3098.708625][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3098.708625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.708625][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.708625][ T72] netlink_unicast+0x449/0x710 [ 3098.708625][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.708625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.708625][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.708625][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.708625][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.708625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.708625][ T72] [ 3098.710235][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3098.710533][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3098.710533][ T72] dst_init+0x84/0x4a0 [ 3098.710533][ T72] dst_alloc+0x97/0x150 [ 3098.710533][ T72] ip6_dst_alloc+0x23/0x90 [ 3098.710533][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3098.710533][ T72] ip6_pol_route+0x56f/0x840 [ 3098.710533][ T72] fib6_rule_lookup+0x456/0x630 [ 3098.710533][ T72] ip6_route_input+0x59c/0xa50 [ 3098.710533][ T72] ipv6_rcv+0x397/0x810 [ 3098.710533][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3098.710533][ T72] process_backlog+0x101/0x620 [ 3098.710533][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3098.710533][ T72] net_rx_action+0x495/0xbe0 [ 3098.710533][ T72] __do_softirq+0x1b5/0x7f6 [ 3098.710533][ T72] [ 3098.712214][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3098.712214][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.712214][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.712214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.712214][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3098.712214][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3098.712214][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3098.712214][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3098.712214][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3098.712214][ T72] addrconf_dad_begin+0x310/0x670 [ 3098.712214][ T72] addrconf_dad_work+0x10b/0xab0 [ 3098.712214][ T72] process_one_work+0x84d/0x18a0 [ 3098.712214][ T72] worker_thread+0x587/0xd30 [ 3098.712214][ T72] kthread+0x28a/0x350 [ 3098.712214][ T72] ret_from_fork+0x31/0x70 [ 3098.712214][ T72] ret_from_fork_asm+0x1a/0x30 [ 3098.712214][ T72] [ 3098.714102][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3098.714102][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.714102][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.714102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.714102][ T72] ip6_route_add+0x1c/0x140 [ 3098.714102][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3098.714102][ T72] inet6_addr_add+0x4f8/0xa40 [ 3098.714102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.714102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.714102][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.714102][ T72] netlink_unicast+0x449/0x710 [ 3098.714102][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.714102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.714102][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.714102][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.714102][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.714102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.714102][ T72] [ 3098.716018][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3098.716018][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.716018][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.716018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.716018][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3098.716018][ T72] ipv6_add_addr+0x411/0x2000 [ 3098.716018][ T72] inet6_addr_add+0x30e/0xa40 [ 3098.716018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.716018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.716018][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.716018][ T72] netlink_unicast+0x449/0x710 [ 3098.716018][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.716018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.716018][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.716018][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.716018][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.716018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.716018][ T72] [ 3098.717877][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3098.717877][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.717877][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.717877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.717877][ T72] ip6_route_add+0x1c/0x140 [ 3098.717877][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3098.717877][ T72] addrconf_add_dev+0xe2/0x170 [ 3098.717877][ T72] inet6_addr_add+0x12f/0xa40 [ 3098.717877][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.717877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.717877][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.717877][ T72] netlink_unicast+0x449/0x710 [ 3098.717877][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.717877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.717877][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.717877][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.717877][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.717877][ T72] [ 3098.719739][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3098.719739][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3098.719739][ T72] ipv6_find_idev+0x102/0x170 [ 3098.719739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3098.719739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.719739][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.719739][ T72] netlink_unicast+0x449/0x710 [ 3098.719739][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.719739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.719739][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.719739][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.719739][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.719739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.719739][ T72] [ 3098.721242][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3098.721242][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3098.721242][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3098.721242][ T72] ipv6_find_idev+0x102/0x170 [ 3098.721242][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3098.721242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.721242][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.721242][ T72] netlink_unicast+0x449/0x710 [ 3098.721242][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.721242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.721242][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.721242][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.721242][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.721242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.721242][ T72] [ 3098.722930][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3098.723223][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3098.723223][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3098.723223][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3098.723223][ T72] fib6_nh_init+0xa22/0x1580 [ 3098.723223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.723223][ T72] ip6_route_add+0x1c/0x140 [ 3098.723223][ T72] inet6_rtm_newroute+0x104/0x110 [ 3098.723223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.723223][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.723223][ T72] netlink_unicast+0x449/0x710 [ 3098.723223][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.723223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.723223][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.723223][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.723223][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.723223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.723223][ T72] [ 3098.725378][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3098.725378][ T72] dst_init+0x84/0x4a0 [ 3098.725378][ T72] dst_alloc+0x97/0x150 [ 3098.725378][ T72] ip6_dst_alloc+0x23/0x90 [ 3098.725378][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3098.725378][ T72] ip6_pol_route+0x56f/0x840 [ 3098.725378][ T72] fib6_rule_lookup+0x456/0x630 [ 3098.725378][ T72] ip6_route_input+0x59c/0xa50 [ 3098.725378][ T72] ipv6_rcv+0x397/0x810 [ 3098.725378][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3098.725378][ T72] process_backlog+0x101/0x620 [ 3098.725378][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3098.725378][ T72] net_rx_action+0x495/0xbe0 [ 3098.725378][ T72] __do_softirq+0x1b5/0x7f6 [ 3098.725378][ T72] [ 3098.727168][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3098.727168][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.727168][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.727168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.727168][ T72] ip6_route_add+0x1c/0x140 [ 3098.727168][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3098.727168][ T72] inet6_addr_add+0x4f8/0xa40 [ 3098.727168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.727168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.727168][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.727168][ T72] netlink_unicast+0x449/0x710 [ 3098.727168][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.727168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.727168][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.727168][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.727168][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.727168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.727168][ T72] [ 3098.729467][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3098.729467][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.729467][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.729467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.729467][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3098.729467][ T72] ipv6_add_addr+0x411/0x2000 [ 3098.729467][ T72] inet6_addr_add+0x30e/0xa40 [ 3098.729467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.729467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.729467][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.729467][ T72] netlink_unicast+0x449/0x710 [ 3098.729467][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.729467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.729467][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.729467][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.729467][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.729467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.729467][ T72] [ 3098.731659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3098.731659][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.731659][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.731659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.731659][ T72] ip6_route_add+0x1c/0x140 [ 3098.731659][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3098.731659][ T72] addrconf_add_dev+0xe2/0x170 [ 3098.731659][ T72] inet6_addr_add+0x12f/0xa40 [ 3098.731659][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.731659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.731659][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.731659][ T72] netlink_unicast+0x449/0x710 [ 3098.731659][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.731659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.731659][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.731659][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.731659][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.731659][ T72] [ 3098.733861][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3098.733861][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3098.733861][ T72] ipv6_find_idev+0x102/0x170 [ 3098.733861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3098.733861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.733861][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.733861][ T72] netlink_unicast+0x449/0x710 [ 3098.733861][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.733861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.733861][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.733861][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.733861][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.733861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.733861][ T72] [ 3098.735649][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3098.735649][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3098.735649][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3098.735649][ T72] ipv6_find_idev+0x102/0x170 [ 3098.735649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3098.735649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.735649][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.735649][ T72] netlink_unicast+0x449/0x710 [ 3098.735649][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.735649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.735649][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.735649][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.735649][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.735649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.735649][ T72] [ 3098.737508][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3098.737841][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3098.737841][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.737841][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.737841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.737841][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3098.737841][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3098.737841][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3098.737841][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3098.737841][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3098.737841][ T72] addrconf_dad_begin+0x310/0x670 [ 3098.737841][ T72] addrconf_dad_work+0x10b/0xab0 [ 3098.737841][ T72] process_one_work+0x84d/0x18a0 [ 3098.737841][ T72] worker_thread+0x587/0xd30 [ 3098.737841][ T72] kthread+0x28a/0x350 [ 3098.737841][ T72] ret_from_fork+0x31/0x70 [ 3098.737841][ T72] ret_from_fork_asm+0x1a/0x30 [ 3098.737841][ T72] [ 3098.739881][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3098.739881][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.739881][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.739881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.739881][ T72] ip6_route_add+0x1c/0x140 [ 3098.739881][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3098.739881][ T72] inet6_addr_add+0x4f8/0xa40 [ 3098.739881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.739881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.739881][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.739881][ T72] netlink_unicast+0x449/0x710 [ 3098.739881][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.739881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.739881][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.739881][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.739881][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.739881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.739881][ T72] [ 3098.742113][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3098.742113][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.742113][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.742113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.742113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3098.742113][ T72] ipv6_add_addr+0x411/0x2000 [ 3098.742113][ T72] inet6_addr_add+0x30e/0xa40 [ 3098.742113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.742113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.742113][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.742113][ T72] netlink_unicast+0x449/0x710 [ 3098.742113][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.742113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.742113][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.742113][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.742113][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.742113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.742113][ T72] [ 3098.744427][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3098.744427][ T72] netdev_get_by_index+0x5e/0x80 [ 3098.744427][ T72] fib6_nh_init+0x3d8/0x1580 [ 3098.744427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3098.744427][ T72] ip6_route_add+0x1c/0x140 [ 3098.744427][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3098.744427][ T72] addrconf_add_dev+0xe2/0x170 [ 3098.744427][ T72] inet6_addr_add+0x12f/0xa40 [ 3098.744427][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3098.744427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.744427][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.744427][ T72] netlink_unicast+0x449/0x710 [ 3098.744427][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.744427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.744427][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.744427][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.744427][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.744427][ T72] [ 3098.746611][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3098.746611][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3098.746611][ T72] ipv6_find_idev+0x102/0x170 [ 3098.746611][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3098.746611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.746611][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.746611][ T72] netlink_unicast+0x449/0x710 [ 3098.746611][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.746611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.746611][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.746611][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.746611][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.746611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.746611][ T72] [ 3098.748348][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3098.748348][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3098.748348][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3098.748348][ T72] ipv6_find_idev+0x102/0x170 [ 3098.748348][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3098.748348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3098.748348][ T72] netlink_rcv_skb+0x130/0x360 [ 3098.748348][ T72] netlink_unicast+0x449/0x710 [ 3098.748348][ T72] netlink_sendmsg+0x723/0xbe0 [ 3098.748348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3098.748348][ T72] ___sys_sendmsg+0xee/0x170 [ 3098.748348][ T72] __sys_sendmsg+0xcd/0x170 [ 3098.748348][ T72] do_syscall_64+0xc6/0x1e0 [ 3098.748348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3098.748348][ T72] [ 3108.992982][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3108.993633][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3108.993633][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3108.993633][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3108.993633][ T72] fib6_nh_init+0xa22/0x1580 [ 3108.993633][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3108.993633][ T72] ip6_route_add+0x1c/0x140 [ 3108.993633][ T72] inet6_rtm_newroute+0x104/0x110 [ 3108.993633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3108.993633][ T72] netlink_rcv_skb+0x130/0x360 [ 3108.993633][ T72] netlink_unicast+0x449/0x710 [ 3108.993633][ T72] netlink_sendmsg+0x723/0xbe0 [ 3108.993633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3108.993633][ T72] ___sys_sendmsg+0xee/0x170 [ 3108.993633][ T72] __sys_sendmsg+0xcd/0x170 [ 3108.993633][ T72] do_syscall_64+0xc6/0x1e0 [ 3108.993633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3108.993633][ T72] [ 3108.995510][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3108.995510][ T72] dst_init+0x84/0x4a0 [ 3108.995510][ T72] dst_alloc+0x97/0x150 [ 3108.995510][ T72] ip6_dst_alloc+0x23/0x90 [ 3108.995510][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3108.995510][ T72] ip6_pol_route+0x56f/0x840 [ 3108.995510][ T72] fib6_rule_lookup+0x456/0x630 [ 3108.995510][ T72] ip6_route_input+0x59c/0xa50 [ 3108.995510][ T72] ipv6_rcv+0x397/0x810 [ 3108.995510][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3108.995510][ T72] process_backlog+0x101/0x620 [ 3108.995510][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3108.995510][ T72] net_rx_action+0x495/0xbe0 [ 3108.995510][ T72] __do_softirq+0x1b5/0x7f6 [ 3108.995510][ T72] [ 3108.997154][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3108.997154][ T72] netdev_get_by_index+0x5e/0x80 [ 3108.997154][ T72] fib6_nh_init+0x3d8/0x1580 [ 3108.997154][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3108.997154][ T72] ip6_route_add+0x1c/0x140 [ 3108.997154][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3108.997154][ T72] inet6_addr_add+0x4f8/0xa40 [ 3108.997154][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3108.997154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3108.997154][ T72] netlink_rcv_skb+0x130/0x360 [ 3108.997154][ T72] netlink_unicast+0x449/0x710 [ 3108.997154][ T72] netlink_sendmsg+0x723/0xbe0 [ 3108.997154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3108.997154][ T72] ___sys_sendmsg+0xee/0x170 [ 3108.997154][ T72] __sys_sendmsg+0xcd/0x170 [ 3108.997154][ T72] do_syscall_64+0xc6/0x1e0 [ 3108.997154][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3108.997154][ T72] [ 3108.999150][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3108.999150][ T72] netdev_get_by_index+0x5e/0x80 [ 3108.999150][ T72] fib6_nh_init+0x3d8/0x1580 [ 3108.999150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3108.999150][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3108.999150][ T72] ipv6_add_addr+0x411/0x2000 [ 3108.999150][ T72] inet6_addr_add+0x30e/0xa40 [ 3108.999150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3108.999150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3108.999150][ T72] netlink_rcv_skb+0x130/0x360 [ 3108.999150][ T72] netlink_unicast+0x449/0x710 [ 3108.999150][ T72] netlink_sendmsg+0x723/0xbe0 [ 3108.999150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3108.999150][ T72] ___sys_sendmsg+0xee/0x170 [ 3108.999150][ T72] __sys_sendmsg+0xcd/0x170 [ 3108.999150][ T72] do_syscall_64+0xc6/0x1e0 [ 3108.999150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3108.999150][ T72] [ 3109.001172][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3109.001172][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.001172][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.001172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.001172][ T72] ip6_route_add+0x1c/0x140 [ 3109.001172][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3109.001172][ T72] addrconf_add_dev+0xe2/0x170 [ 3109.001172][ T72] inet6_addr_add+0x12f/0xa40 [ 3109.001172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.001172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.001172][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.001172][ T72] netlink_unicast+0x449/0x710 [ 3109.001172][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.001172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.001172][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.001172][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.001172][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.001172][ T72] [ 3109.003106][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3109.003106][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3109.003106][ T72] ipv6_find_idev+0x102/0x170 [ 3109.003106][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.003106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.003106][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.003106][ T72] netlink_unicast+0x449/0x710 [ 3109.003106][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.003106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.003106][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.003106][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.003106][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.003106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.003106][ T72] [ 3109.004674][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3109.004674][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3109.004674][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3109.004674][ T72] ipv6_find_idev+0x102/0x170 [ 3109.004674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.004674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.004674][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.004674][ T72] netlink_unicast+0x449/0x710 [ 3109.004674][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.004674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.004674][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.004674][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.004674][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.004674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.004674][ T72] [ 3109.006374][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3109.006661][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3109.006661][ T72] dst_init+0x84/0x4a0 [ 3109.006661][ T72] dst_alloc+0x97/0x150 [ 3109.006661][ T72] ip6_dst_alloc+0x23/0x90 [ 3109.006661][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3109.006661][ T72] ip6_pol_route+0x56f/0x840 [ 3109.006661][ T72] fib6_rule_lookup+0x456/0x630 [ 3109.006661][ T72] ip6_route_input+0x59c/0xa50 [ 3109.006661][ T72] ipv6_rcv+0x397/0x810 [ 3109.006661][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3109.006661][ T72] process_backlog+0x101/0x620 [ 3109.006661][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3109.006661][ T72] net_rx_action+0x495/0xbe0 [ 3109.006661][ T72] __do_softirq+0x1b5/0x7f6 [ 3109.006661][ T72] [ 3109.008327][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3109.008327][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.008327][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.008327][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.008327][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3109.008327][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3109.008327][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3109.008327][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3109.008327][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3109.008327][ T72] addrconf_dad_begin+0x310/0x670 [ 3109.008327][ T72] addrconf_dad_work+0x10b/0xab0 [ 3109.008327][ T72] process_one_work+0x84d/0x18a0 [ 3109.008327][ T72] worker_thread+0x587/0xd30 [ 3109.008327][ T72] kthread+0x28a/0x350 [ 3109.008327][ T72] ret_from_fork+0x31/0x70 [ 3109.008327][ T72] ret_from_fork_asm+0x1a/0x30 [ 3109.008327][ T72] [ 3109.010248][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3109.010248][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.010248][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.010248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.010248][ T72] ip6_route_add+0x1c/0x140 [ 3109.010248][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3109.010248][ T72] inet6_addr_add+0x4f8/0xa40 [ 3109.010248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.010248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.010248][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.010248][ T72] netlink_unicast+0x449/0x710 [ 3109.010248][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.010248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.010248][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.010248][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.010248][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.010248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.010248][ T72] [ 3109.012257][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3109.012257][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.012257][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.012257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.012257][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3109.012257][ T72] ipv6_add_addr+0x411/0x2000 [ 3109.012257][ T72] inet6_addr_add+0x30e/0xa40 [ 3109.012257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.012257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.012257][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.012257][ T72] netlink_unicast+0x449/0x710 [ 3109.012257][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.012257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.012257][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.012257][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.012257][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.012257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.012257][ T72] [ 3109.014256][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3109.014256][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.014256][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.014256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.014256][ T72] ip6_route_add+0x1c/0x140 [ 3109.014256][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3109.014256][ T72] addrconf_add_dev+0xe2/0x170 [ 3109.014256][ T72] inet6_addr_add+0x12f/0xa40 [ 3109.014256][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.014256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.014256][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.014256][ T72] netlink_unicast+0x449/0x710 [ 3109.014256][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.014256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.014256][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.014256][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.014256][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.014256][ T72] [ 3109.016211][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3109.016211][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3109.016211][ T72] ipv6_find_idev+0x102/0x170 [ 3109.016211][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.016211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.016211][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.016211][ T72] netlink_unicast+0x449/0x710 [ 3109.016211][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.016211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.016211][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.016211][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.016211][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.016211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.016211][ T72] [ 3109.017762][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3109.017762][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3109.017762][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3109.017762][ T72] ipv6_find_idev+0x102/0x170 [ 3109.017762][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.017762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.017762][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.017762][ T72] netlink_unicast+0x449/0x710 [ 3109.017762][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.017762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.017762][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.017762][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.017762][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.017762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.017762][ T72] [ 3109.019572][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3109.019855][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3109.019855][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3109.019855][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3109.019855][ T72] fib6_nh_init+0xa22/0x1580 [ 3109.019855][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.019855][ T72] ip6_route_add+0x1c/0x140 [ 3109.019855][ T72] inet6_rtm_newroute+0x104/0x110 [ 3109.019855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.019855][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.019855][ T72] netlink_unicast+0x449/0x710 [ 3109.019855][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.019855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.019855][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.019855][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.019855][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.019855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.019855][ T72] [ 3109.022037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3109.022037][ T72] dst_init+0x84/0x4a0 [ 3109.022037][ T72] dst_alloc+0x97/0x150 [ 3109.022037][ T72] ip6_dst_alloc+0x23/0x90 [ 3109.022037][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3109.022037][ T72] ip6_pol_route+0x56f/0x840 [ 3109.022037][ T72] fib6_rule_lookup+0x456/0x630 [ 3109.022037][ T72] ip6_route_input+0x59c/0xa50 [ 3109.022037][ T72] ipv6_rcv+0x397/0x810 [ 3109.022037][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3109.022037][ T72] process_backlog+0x101/0x620 [ 3109.022037][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3109.022037][ T72] net_rx_action+0x495/0xbe0 [ 3109.022037][ T72] __do_softirq+0x1b5/0x7f6 [ 3109.022037][ T72] [ 3109.023871][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3109.023871][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.023871][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.023871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.023871][ T72] ip6_route_add+0x1c/0x140 [ 3109.023871][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3109.023871][ T72] inet6_addr_add+0x4f8/0xa40 [ 3109.023871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.023871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.023871][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.023871][ T72] netlink_unicast+0x449/0x710 [ 3109.023871][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.023871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.023871][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.023871][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.023871][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.023871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.023871][ T72] [ 3109.026140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3109.026140][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.026140][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.026140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.026140][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3109.026140][ T72] ipv6_add_addr+0x411/0x2000 [ 3109.026140][ T72] inet6_addr_add+0x30e/0xa40 [ 3109.026140][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.026140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.026140][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.026140][ T72] netlink_unicast+0x449/0x710 [ 3109.026140][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.026140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.026140][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.026140][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.026140][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.026140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.026140][ T72] [ 3109.028337][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3109.028337][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.028337][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.028337][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.028337][ T72] ip6_route_add+0x1c/0x140 [ 3109.028337][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3109.028337][ T72] addrconf_add_dev+0xe2/0x170 [ 3109.028337][ T72] inet6_addr_add+0x12f/0xa40 [ 3109.028337][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.028337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.028337][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.028337][ T72] netlink_unicast+0x449/0x710 [ 3109.028337][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.028337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.028337][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.028337][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.028337][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.028337][ T72] [ 3109.030652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3109.030652][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3109.030652][ T72] ipv6_find_idev+0x102/0x170 [ 3109.030652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.030652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.030652][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.030652][ T72] netlink_unicast+0x449/0x710 [ 3109.030652][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.030652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.030652][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.030652][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.030652][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.030652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.030652][ T72] [ 3109.032351][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3109.032351][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3109.032351][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3109.032351][ T72] ipv6_find_idev+0x102/0x170 [ 3109.032351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.032351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.032351][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.032351][ T72] netlink_unicast+0x449/0x710 [ 3109.032351][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.032351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.032351][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.032351][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.032351][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.032351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.032351][ T72] [ 3109.034256][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3109.034594][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3109.034594][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.034594][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.034594][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.034594][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3109.034594][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3109.034594][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3109.034594][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3109.034594][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3109.034594][ T72] addrconf_dad_begin+0x310/0x670 [ 3109.034594][ T72] addrconf_dad_work+0x10b/0xab0 [ 3109.034594][ T72] process_one_work+0x84d/0x18a0 [ 3109.034594][ T72] worker_thread+0x587/0xd30 [ 3109.034594][ T72] kthread+0x28a/0x350 [ 3109.034594][ T72] ret_from_fork+0x31/0x70 [ 3109.034594][ T72] ret_from_fork_asm+0x1a/0x30 [ 3109.034594][ T72] [ 3109.036649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3109.036649][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.036649][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.036649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.036649][ T72] ip6_route_add+0x1c/0x140 [ 3109.036649][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3109.036649][ T72] inet6_addr_add+0x4f8/0xa40 [ 3109.036649][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.036649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.036649][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.036649][ T72] netlink_unicast+0x449/0x710 [ 3109.036649][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.036649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.036649][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.036649][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.036649][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.036649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.036649][ T72] [ 3109.038880][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3109.038880][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.038880][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.038880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.038880][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3109.038880][ T72] ipv6_add_addr+0x411/0x2000 [ 3109.038880][ T72] inet6_addr_add+0x30e/0xa40 [ 3109.038880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.038880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.038880][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.038880][ T72] netlink_unicast+0x449/0x710 [ 3109.038880][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.038880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.038880][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.038880][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.038880][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.038880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.038880][ T72] [ 3109.041194][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3109.041194][ T72] netdev_get_by_index+0x5e/0x80 [ 3109.041194][ T72] fib6_nh_init+0x3d8/0x1580 [ 3109.041194][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3109.041194][ T72] ip6_route_add+0x1c/0x140 [ 3109.041194][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3109.041194][ T72] addrconf_add_dev+0xe2/0x170 [ 3109.041194][ T72] inet6_addr_add+0x12f/0xa40 [ 3109.041194][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.041194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.041194][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.041194][ T72] netlink_unicast+0x449/0x710 [ 3109.041194][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.041194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.041194][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.041194][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.041194][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.041194][ T72] [ 3109.043410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3109.043410][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3109.043410][ T72] ipv6_find_idev+0x102/0x170 [ 3109.043410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.043410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.043410][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.043410][ T72] netlink_unicast+0x449/0x710 [ 3109.043410][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.043410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.043410][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.043410][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.043410][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.043410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.043410][ T72] [ 3109.045147][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3109.045147][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3109.045147][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3109.045147][ T72] ipv6_find_idev+0x102/0x170 [ 3109.045147][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.045147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.045147][ T72] netlink_rcv_skb+0x130/0x360 [ 3109.045147][ T72] netlink_unicast+0x449/0x710 [ 3109.045147][ T72] netlink_sendmsg+0x723/0xbe0 [ 3109.045147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3109.045147][ T72] ___sys_sendmsg+0xee/0x170 [ 3109.045147][ T72] __sys_sendmsg+0xcd/0x170 [ 3109.045147][ T72] do_syscall_64+0xc6/0x1e0 [ 3109.045147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.045147][ T72] [ 3119.288974][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3119.289693][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3119.289693][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3119.289693][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3119.289693][ T72] fib6_nh_init+0xa22/0x1580 [ 3119.289693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.289693][ T72] ip6_route_add+0x1c/0x140 [ 3119.289693][ T72] inet6_rtm_newroute+0x104/0x110 [ 3119.289693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.289693][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.289693][ T72] netlink_unicast+0x449/0x710 [ 3119.289693][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.289693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.289693][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.289693][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.289693][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.289693][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.289693][ T72] [ 3119.291554][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3119.291554][ T72] dst_init+0x84/0x4a0 [ 3119.291554][ T72] dst_alloc+0x97/0x150 [ 3119.291554][ T72] ip6_dst_alloc+0x23/0x90 [ 3119.291554][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3119.291554][ T72] ip6_pol_route+0x56f/0x840 [ 3119.291554][ T72] fib6_rule_lookup+0x456/0x630 [ 3119.291554][ T72] ip6_route_input+0x59c/0xa50 [ 3119.291554][ T72] ipv6_rcv+0x397/0x810 [ 3119.291554][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3119.291554][ T72] process_backlog+0x101/0x620 [ 3119.291554][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3119.291554][ T72] net_rx_action+0x495/0xbe0 [ 3119.291554][ T72] __do_softirq+0x1b5/0x7f6 [ 3119.291554][ T72] [ 3119.293159][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3119.293159][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.293159][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.293159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.293159][ T72] ip6_route_add+0x1c/0x140 [ 3119.293159][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3119.293159][ T72] inet6_addr_add+0x4f8/0xa40 [ 3119.293159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.293159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.293159][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.293159][ T72] netlink_unicast+0x449/0x710 [ 3119.293159][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.293159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.293159][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.293159][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.293159][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.293159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.293159][ T72] [ 3119.295109][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3119.295109][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.295109][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.295109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.295109][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3119.295109][ T72] ipv6_add_addr+0x411/0x2000 [ 3119.295109][ T72] inet6_addr_add+0x30e/0xa40 [ 3119.295109][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.295109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.295109][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.295109][ T72] netlink_unicast+0x449/0x710 [ 3119.295109][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.295109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.295109][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.295109][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.295109][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.295109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.295109][ T72] [ 3119.297042][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3119.297042][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.297042][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.297042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.297042][ T72] ip6_route_add+0x1c/0x140 [ 3119.297042][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3119.297042][ T72] addrconf_add_dev+0xe2/0x170 [ 3119.297042][ T72] inet6_addr_add+0x12f/0xa40 [ 3119.297042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.297042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.297042][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.297042][ T72] netlink_unicast+0x449/0x710 [ 3119.297042][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.297042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.297042][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.297042][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.297042][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.297042][ T72] [ 3119.298953][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3119.298953][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3119.298953][ T72] ipv6_find_idev+0x102/0x170 [ 3119.298953][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.298953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.298953][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.298953][ T72] netlink_unicast+0x449/0x710 [ 3119.298953][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.298953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.298953][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.298953][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.298953][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.298953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.298953][ T72] [ 3119.300497][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3119.300497][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3119.300497][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3119.300497][ T72] ipv6_find_idev+0x102/0x170 [ 3119.300497][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.300497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.300497][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.300497][ T72] netlink_unicast+0x449/0x710 [ 3119.300497][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.300497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.300497][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.300497][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.300497][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.300497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.300497][ T72] [ 3119.302132][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3119.302445][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3119.302445][ T72] dst_init+0x84/0x4a0 [ 3119.302445][ T72] dst_alloc+0x97/0x150 [ 3119.302445][ T72] ip6_dst_alloc+0x23/0x90 [ 3119.302445][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3119.302445][ T72] ip6_pol_route+0x56f/0x840 [ 3119.302445][ T72] fib6_rule_lookup+0x456/0x630 [ 3119.302445][ T72] ip6_route_input+0x59c/0xa50 [ 3119.302445][ T72] ipv6_rcv+0x397/0x810 [ 3119.302445][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3119.302445][ T72] process_backlog+0x101/0x620 [ 3119.302445][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3119.302445][ T72] net_rx_action+0x495/0xbe0 [ 3119.302445][ T72] __do_softirq+0x1b5/0x7f6 [ 3119.302445][ T72] [ 3119.304083][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3119.304083][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.304083][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.304083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.304083][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3119.304083][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3119.304083][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3119.304083][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3119.304083][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3119.304083][ T72] addrconf_dad_begin+0x310/0x670 [ 3119.304083][ T72] addrconf_dad_work+0x10b/0xab0 [ 3119.304083][ T72] process_one_work+0x84d/0x18a0 [ 3119.304083][ T72] worker_thread+0x587/0xd30 [ 3119.304083][ T72] kthread+0x28a/0x350 [ 3119.304083][ T72] ret_from_fork+0x31/0x70 [ 3119.304083][ T72] ret_from_fork_asm+0x1a/0x30 [ 3119.304083][ T72] [ 3119.305951][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3119.305951][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.305951][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.305951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.305951][ T72] ip6_route_add+0x1c/0x140 [ 3119.305951][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3119.305951][ T72] inet6_addr_add+0x4f8/0xa40 [ 3119.305951][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.305951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.305951][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.305951][ T72] netlink_unicast+0x449/0x710 [ 3119.305951][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.305951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.305951][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.305951][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.305951][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.305951][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.305951][ T72] [ 3119.307950][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3119.307950][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.307950][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.307950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.307950][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3119.307950][ T72] ipv6_add_addr+0x411/0x2000 [ 3119.307950][ T72] inet6_addr_add+0x30e/0xa40 [ 3119.307950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.307950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.307950][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.307950][ T72] netlink_unicast+0x449/0x710 [ 3119.307950][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.307950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.307950][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.307950][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.307950][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.307950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.307950][ T72] [ 3119.309951][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3119.309951][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.309951][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.309951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.309951][ T72] ip6_route_add+0x1c/0x140 [ 3119.309951][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3119.309951][ T72] addrconf_add_dev+0xe2/0x170 [ 3119.309951][ T72] inet6_addr_add+0x12f/0xa40 [ 3119.309951][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.309951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.309951][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.309951][ T72] netlink_unicast+0x449/0x710 [ 3119.309951][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.309951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.309951][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.309951][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.309951][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.309951][ T72] [ 3119.311899][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3119.311899][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3119.311899][ T72] ipv6_find_idev+0x102/0x170 [ 3119.311899][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.311899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.311899][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.311899][ T72] netlink_unicast+0x449/0x710 [ 3119.311899][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.311899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.311899][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.311899][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.311899][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.311899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.311899][ T72] [ 3119.313428][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3119.313428][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3119.313428][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3119.313428][ T72] ipv6_find_idev+0x102/0x170 [ 3119.313428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.313428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.313428][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.313428][ T72] netlink_unicast+0x449/0x710 [ 3119.313428][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.313428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.313428][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.313428][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.313428][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.313428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.313428][ T72] [ 3119.315232][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3119.315496][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3119.315496][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3119.315496][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3119.315496][ T72] fib6_nh_init+0xa22/0x1580 [ 3119.315496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.315496][ T72] ip6_route_add+0x1c/0x140 [ 3119.315496][ T72] inet6_rtm_newroute+0x104/0x110 [ 3119.315496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.315496][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.315496][ T72] netlink_unicast+0x449/0x710 [ 3119.315496][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.315496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.315496][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.315496][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.315496][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.315496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.315496][ T72] [ 3119.317671][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3119.317671][ T72] dst_init+0x84/0x4a0 [ 3119.317671][ T72] dst_alloc+0x97/0x150 [ 3119.317671][ T72] ip6_dst_alloc+0x23/0x90 [ 3119.317671][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3119.317671][ T72] ip6_pol_route+0x56f/0x840 [ 3119.317671][ T72] fib6_rule_lookup+0x456/0x630 [ 3119.317671][ T72] ip6_route_input+0x59c/0xa50 [ 3119.317671][ T72] ipv6_rcv+0x397/0x810 [ 3119.317671][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3119.317671][ T72] process_backlog+0x101/0x620 [ 3119.317671][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3119.317671][ T72] net_rx_action+0x495/0xbe0 [ 3119.317671][ T72] __do_softirq+0x1b5/0x7f6 [ 3119.317671][ T72] [ 3119.319473][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3119.319473][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.319473][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.319473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.319473][ T72] ip6_route_add+0x1c/0x140 [ 3119.319473][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3119.319473][ T72] inet6_addr_add+0x4f8/0xa40 [ 3119.319473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.319473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.319473][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.319473][ T72] netlink_unicast+0x449/0x710 [ 3119.319473][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.319473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.319473][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.319473][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.319473][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.319473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.319473][ T72] [ 3119.321636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3119.321636][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.321636][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.321636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.321636][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3119.321636][ T72] ipv6_add_addr+0x411/0x2000 [ 3119.321636][ T72] inet6_addr_add+0x30e/0xa40 [ 3119.321636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.321636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.321636][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.321636][ T72] netlink_unicast+0x449/0x710 [ 3119.321636][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.321636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.321636][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.321636][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.321636][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.321636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.321636][ T72] [ 3119.323827][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3119.323827][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.323827][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.323827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.323827][ T72] ip6_route_add+0x1c/0x140 [ 3119.323827][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3119.323827][ T72] addrconf_add_dev+0xe2/0x170 [ 3119.323827][ T72] inet6_addr_add+0x12f/0xa40 [ 3119.323827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.323827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.323827][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.323827][ T72] netlink_unicast+0x449/0x710 [ 3119.323827][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.323827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.323827][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.323827][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.323827][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.323827][ T72] [ 3119.326095][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3119.326095][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3119.326095][ T72] ipv6_find_idev+0x102/0x170 [ 3119.326095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.326095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.326095][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.326095][ T72] netlink_unicast+0x449/0x710 [ 3119.326095][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.326095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.326095][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.326095][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.326095][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.326095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.326095][ T72] [ 3119.327821][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3119.327821][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3119.327821][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3119.327821][ T72] ipv6_find_idev+0x102/0x170 [ 3119.327821][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.327821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.327821][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.327821][ T72] netlink_unicast+0x449/0x710 [ 3119.327821][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.327821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.327821][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.327821][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.327821][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.327821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.327821][ T72] [ 3119.329671][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3119.330448][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3119.330448][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.330448][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.330448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.330448][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3119.330448][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3119.330448][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3119.330448][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3119.330448][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3119.330448][ T72] addrconf_dad_begin+0x310/0x670 [ 3119.330448][ T72] addrconf_dad_work+0x10b/0xab0 [ 3119.330448][ T72] process_one_work+0x84d/0x18a0 [ 3119.330448][ T72] worker_thread+0x587/0xd30 [ 3119.330448][ T72] kthread+0x28a/0x350 [ 3119.330448][ T72] ret_from_fork+0x31/0x70 [ 3119.330448][ T72] ret_from_fork_asm+0x1a/0x30 [ 3119.330448][ T72] [ 3119.332349][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3119.332349][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.332349][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.332349][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.332349][ T72] ip6_route_add+0x1c/0x140 [ 3119.332349][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3119.332349][ T72] inet6_addr_add+0x4f8/0xa40 [ 3119.332349][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.332349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.332349][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.332349][ T72] netlink_unicast+0x449/0x710 [ 3119.332349][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.332349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.332349][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.332349][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.332349][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.332349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.332349][ T72] [ 3119.334331][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3119.334331][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.334331][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.334331][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.334331][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3119.334331][ T72] ipv6_add_addr+0x411/0x2000 [ 3119.334331][ T72] inet6_addr_add+0x30e/0xa40 [ 3119.334331][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.334331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.334331][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.334331][ T72] netlink_unicast+0x449/0x710 [ 3119.334331][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.334331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.334331][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.334331][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.334331][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.334331][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.334331][ T72] [ 3119.336504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3119.336504][ T72] netdev_get_by_index+0x5e/0x80 [ 3119.336504][ T72] fib6_nh_init+0x3d8/0x1580 [ 3119.336504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3119.336504][ T72] ip6_route_add+0x1c/0x140 [ 3119.336504][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3119.336504][ T72] addrconf_add_dev+0xe2/0x170 [ 3119.336504][ T72] inet6_addr_add+0x12f/0xa40 [ 3119.336504][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.336504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.336504][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.336504][ T72] netlink_unicast+0x449/0x710 [ 3119.336504][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.336504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.336504][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.336504][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.336504][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.336504][ T72] [ 3119.338766][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3119.338766][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3119.338766][ T72] ipv6_find_idev+0x102/0x170 [ 3119.338766][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.338766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.338766][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.338766][ T72] netlink_unicast+0x449/0x710 [ 3119.338766][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.338766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.338766][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.338766][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.338766][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.338766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.338766][ T72] [ 3119.340477][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3119.340477][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3119.340477][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3119.340477][ T72] ipv6_find_idev+0x102/0x170 [ 3119.340477][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.340477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.340477][ T72] netlink_rcv_skb+0x130/0x360 [ 3119.340477][ T72] netlink_unicast+0x449/0x710 [ 3119.340477][ T72] netlink_sendmsg+0x723/0xbe0 [ 3119.340477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3119.340477][ T72] ___sys_sendmsg+0xee/0x170 [ 3119.340477][ T72] __sys_sendmsg+0xcd/0x170 [ 3119.340477][ T72] do_syscall_64+0xc6/0x1e0 [ 3119.340477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.340477][ T72] [ 3129.368980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3129.369635][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3129.369635][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3129.369635][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3129.369635][ T72] fib6_nh_init+0xa22/0x1580 [ 3129.369635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.369635][ T72] ip6_route_add+0x1c/0x140 [ 3129.369635][ T72] inet6_rtm_newroute+0x104/0x110 [ 3129.369635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.369635][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.369635][ T72] netlink_unicast+0x449/0x710 [ 3129.369635][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.369635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.369635][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.369635][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.369635][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.369635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.369635][ T72] [ 3129.371532][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3129.371532][ T72] dst_init+0x84/0x4a0 [ 3129.371532][ T72] dst_alloc+0x97/0x150 [ 3129.371532][ T72] ip6_dst_alloc+0x23/0x90 [ 3129.371532][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3129.371532][ T72] ip6_pol_route+0x56f/0x840 [ 3129.371532][ T72] fib6_rule_lookup+0x456/0x630 [ 3129.371532][ T72] ip6_route_input+0x59c/0xa50 [ 3129.371532][ T72] ipv6_rcv+0x397/0x810 [ 3129.371532][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3129.371532][ T72] process_backlog+0x101/0x620 [ 3129.371532][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3129.371532][ T72] net_rx_action+0x495/0xbe0 [ 3129.371532][ T72] __do_softirq+0x1b5/0x7f6 [ 3129.371532][ T72] [ 3129.373124][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3129.373124][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.373124][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.373124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.373124][ T72] ip6_route_add+0x1c/0x140 [ 3129.373124][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3129.373124][ T72] inet6_addr_add+0x4f8/0xa40 [ 3129.373124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.373124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.373124][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.373124][ T72] netlink_unicast+0x449/0x710 [ 3129.373124][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.373124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.373124][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.373124][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.373124][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.373124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.373124][ T72] [ 3129.375148][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3129.375148][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.375148][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.375148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.375148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3129.375148][ T72] ipv6_add_addr+0x411/0x2000 [ 3129.375148][ T72] inet6_addr_add+0x30e/0xa40 [ 3129.375148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.375148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.375148][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.375148][ T72] netlink_unicast+0x449/0x710 [ 3129.375148][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.375148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.375148][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.375148][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.375148][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.375148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.375148][ T72] [ 3129.377144][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3129.377144][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.377144][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.377144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.377144][ T72] ip6_route_add+0x1c/0x140 [ 3129.377144][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3129.377144][ T72] addrconf_add_dev+0xe2/0x170 [ 3129.377144][ T72] inet6_addr_add+0x12f/0xa40 [ 3129.377144][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.377144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.377144][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.377144][ T72] netlink_unicast+0x449/0x710 [ 3129.377144][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.377144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.377144][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.377144][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.377144][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.377144][ T72] [ 3129.379115][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3129.379115][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3129.379115][ T72] ipv6_find_idev+0x102/0x170 [ 3129.379115][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3129.379115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.379115][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.379115][ T72] netlink_unicast+0x449/0x710 [ 3129.379115][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.379115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.379115][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.379115][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.379115][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.379115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.379115][ T72] [ 3129.380647][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3129.380647][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3129.380647][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3129.380647][ T72] ipv6_find_idev+0x102/0x170 [ 3129.380647][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3129.380647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.380647][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.380647][ T72] netlink_unicast+0x449/0x710 [ 3129.380647][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.380647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.380647][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.380647][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.380647][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.380647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.380647][ T72] [ 3129.382331][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3129.382642][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3129.382642][ T72] dst_init+0x84/0x4a0 [ 3129.382642][ T72] dst_alloc+0x97/0x150 [ 3129.382642][ T72] ip6_dst_alloc+0x23/0x90 [ 3129.382642][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3129.382642][ T72] ip6_pol_route+0x56f/0x840 [ 3129.382642][ T72] fib6_rule_lookup+0x456/0x630 [ 3129.382642][ T72] ip6_route_input+0x59c/0xa50 [ 3129.382642][ T72] ipv6_rcv+0x397/0x810 [ 3129.382642][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3129.382642][ T72] process_backlog+0x101/0x620 [ 3129.382642][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3129.382642][ T72] net_rx_action+0x495/0xbe0 [ 3129.382642][ T72] __do_softirq+0x1b5/0x7f6 [ 3129.382642][ T72] [ 3129.384281][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3129.384281][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.384281][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.384281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.384281][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3129.384281][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3129.384281][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3129.384281][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3129.384281][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3129.384281][ T72] addrconf_dad_begin+0x310/0x670 [ 3129.384281][ T72] addrconf_dad_work+0x10b/0xab0 [ 3129.384281][ T72] process_one_work+0x84d/0x18a0 [ 3129.384281][ T72] worker_thread+0x587/0xd30 [ 3129.384281][ T72] kthread+0x28a/0x350 [ 3129.384281][ T72] ret_from_fork+0x31/0x70 [ 3129.384281][ T72] ret_from_fork_asm+0x1a/0x30 [ 3129.384281][ T72] [ 3129.386181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3129.386181][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.386181][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.386181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.386181][ T72] ip6_route_add+0x1c/0x140 [ 3129.386181][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3129.386181][ T72] inet6_addr_add+0x4f8/0xa40 [ 3129.386181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.386181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.386181][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.386181][ T72] netlink_unicast+0x449/0x710 [ 3129.386181][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.386181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.386181][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.386181][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.386181][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.386181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.386181][ T72] [ 3129.388186][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3129.388186][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.388186][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.388186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.388186][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3129.388186][ T72] ipv6_add_addr+0x411/0x2000 [ 3129.388186][ T72] inet6_addr_add+0x30e/0xa40 [ 3129.388186][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.388186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.388186][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.388186][ T72] netlink_unicast+0x449/0x710 [ 3129.388186][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.388186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.388186][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.388186][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.388186][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.388186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.388186][ T72] [ 3129.390153][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3129.390153][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.390153][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.390153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.390153][ T72] ip6_route_add+0x1c/0x140 [ 3129.390153][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3129.390153][ T72] addrconf_add_dev+0xe2/0x170 [ 3129.390153][ T72] inet6_addr_add+0x12f/0xa40 [ 3129.390153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.390153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.390153][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.390153][ T72] netlink_unicast+0x449/0x710 [ 3129.390153][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.390153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.390153][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.390153][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.390153][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.390153][ T72] [ 3129.392059][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3129.392059][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3129.392059][ T72] ipv6_find_idev+0x102/0x170 [ 3129.392059][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3129.392059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.392059][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.392059][ T72] netlink_unicast+0x449/0x710 [ 3129.392059][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.392059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.392059][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.392059][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.392059][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.392059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.392059][ T72] [ 3129.393581][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3129.393581][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3129.393581][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3129.393581][ T72] ipv6_find_idev+0x102/0x170 [ 3129.393581][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3129.393581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.393581][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.393581][ T72] netlink_unicast+0x449/0x710 [ 3129.393581][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.393581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.393581][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.393581][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.393581][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.393581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.393581][ T72] [ 3129.395353][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3129.395653][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3129.395653][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3129.395653][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3129.395653][ T72] fib6_nh_init+0xa22/0x1580 [ 3129.395653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.395653][ T72] ip6_route_add+0x1c/0x140 [ 3129.395653][ T72] inet6_rtm_newroute+0x104/0x110 [ 3129.395653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.395653][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.395653][ T72] netlink_unicast+0x449/0x710 [ 3129.395653][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.395653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.395653][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.395653][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.395653][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.395653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.395653][ T72] [ 3129.397823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3129.397823][ T72] dst_init+0x84/0x4a0 [ 3129.397823][ T72] dst_alloc+0x97/0x150 [ 3129.397823][ T72] ip6_dst_alloc+0x23/0x90 [ 3129.397823][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3129.397823][ T72] ip6_pol_route+0x56f/0x840 [ 3129.397823][ T72] fib6_rule_lookup+0x456/0x630 [ 3129.397823][ T72] ip6_route_input+0x59c/0xa50 [ 3129.397823][ T72] ipv6_rcv+0x397/0x810 [ 3129.397823][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3129.397823][ T72] process_backlog+0x101/0x620 [ 3129.397823][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3129.397823][ T72] net_rx_action+0x495/0xbe0 [ 3129.397823][ T72] __do_softirq+0x1b5/0x7f6 [ 3129.397823][ T72] [ 3129.399616][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3129.399616][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.399616][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.399616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.399616][ T72] ip6_route_add+0x1c/0x140 [ 3129.399616][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3129.399616][ T72] inet6_addr_add+0x4f8/0xa40 [ 3129.399616][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.399616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.399616][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.399616][ T72] netlink_unicast+0x449/0x710 [ 3129.399616][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.399616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.399616][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.399616][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.399616][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.399616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.399616][ T72] [ 3129.401795][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3129.401795][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.401795][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.401795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.401795][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3129.401795][ T72] ipv6_add_addr+0x411/0x2000 [ 3129.401795][ T72] inet6_addr_add+0x30e/0xa40 [ 3129.401795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.401795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.401795][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.401795][ T72] netlink_unicast+0x449/0x710 [ 3129.401795][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.401795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.401795][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.401795][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.401795][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.401795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.401795][ T72] [ 3129.404029][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3129.404029][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.404029][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.404029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.404029][ T72] ip6_route_add+0x1c/0x140 [ 3129.404029][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3129.404029][ T72] addrconf_add_dev+0xe2/0x170 [ 3129.404029][ T72] inet6_addr_add+0x12f/0xa40 [ 3129.404029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.404029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.404029][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.404029][ T72] netlink_unicast+0x449/0x710 [ 3129.404029][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.404029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.404029][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.404029][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.404029][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.404029][ T72] [ 3129.406289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3129.406289][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3129.406289][ T72] ipv6_find_idev+0x102/0x170 [ 3129.406289][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3129.406289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.406289][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.406289][ T72] netlink_unicast+0x449/0x710 [ 3129.406289][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.406289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.406289][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.406289][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.406289][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.406289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.406289][ T72] [ 3129.408003][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3129.408003][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3129.408003][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3129.408003][ T72] ipv6_find_idev+0x102/0x170 [ 3129.408003][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3129.408003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.408003][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.408003][ T72] netlink_unicast+0x449/0x710 [ 3129.408003][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.408003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.408003][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.408003][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.408003][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.408003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.408003][ T72] [ 3129.409853][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3129.410190][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3129.410190][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.410190][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.410190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.410190][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3129.410190][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3129.410190][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3129.410190][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3129.410190][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3129.410190][ T72] addrconf_dad_begin+0x310/0x670 [ 3129.410190][ T72] addrconf_dad_work+0x10b/0xab0 [ 3129.410190][ T72] process_one_work+0x84d/0x18a0 [ 3129.410190][ T72] worker_thread+0x587/0xd30 [ 3129.410190][ T72] kthread+0x28a/0x350 [ 3129.410190][ T72] ret_from_fork+0x31/0x70 [ 3129.410190][ T72] ret_from_fork_asm+0x1a/0x30 [ 3129.410190][ T72] [ 3129.412217][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3129.412217][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.412217][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.412217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.412217][ T72] ip6_route_add+0x1c/0x140 [ 3129.412217][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3129.412217][ T72] inet6_addr_add+0x4f8/0xa40 [ 3129.412217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.412217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.412217][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.412217][ T72] netlink_unicast+0x449/0x710 [ 3129.412217][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.412217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.412217][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.412217][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.412217][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.412217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.412217][ T72] [ 3129.414443][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3129.414443][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.414443][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.414443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.414443][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3129.414443][ T72] ipv6_add_addr+0x411/0x2000 [ 3129.414443][ T72] inet6_addr_add+0x30e/0xa40 [ 3129.414443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.414443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.414443][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.414443][ T72] netlink_unicast+0x449/0x710 [ 3129.414443][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.414443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.414443][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.414443][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.414443][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.414443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.414443][ T72] [ 3129.416738][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3129.416738][ T72] netdev_get_by_index+0x5e/0x80 [ 3129.416738][ T72] fib6_nh_init+0x3d8/0x1580 [ 3129.416738][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3129.416738][ T72] ip6_route_add+0x1c/0x140 [ 3129.416738][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3129.416738][ T72] addrconf_add_dev+0xe2/0x170 [ 3129.416738][ T72] inet6_addr_add+0x12f/0xa40 [ 3129.416738][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3129.416738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.416738][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.416738][ T72] netlink_unicast+0x449/0x710 [ 3129.416738][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.416738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.416738][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.416738][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.416738][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.416738][ T72] [ 3129.418955][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3129.418955][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3129.418955][ T72] ipv6_find_idev+0x102/0x170 [ 3129.418955][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3129.418955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.418955][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.418955][ T72] netlink_unicast+0x449/0x710 [ 3129.418955][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.418955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.418955][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.418955][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.418955][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.418955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.418955][ T72] [ 3129.420649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3129.420649][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3129.420649][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3129.420649][ T72] ipv6_find_idev+0x102/0x170 [ 3129.420649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3129.420649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3129.420649][ T72] netlink_rcv_skb+0x130/0x360 [ 3129.420649][ T72] netlink_unicast+0x449/0x710 [ 3129.420649][ T72] netlink_sendmsg+0x723/0xbe0 [ 3129.420649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3129.420649][ T72] ___sys_sendmsg+0xee/0x170 [ 3129.420649][ T72] __sys_sendmsg+0xcd/0x170 [ 3129.420649][ T72] do_syscall_64+0xc6/0x1e0 [ 3129.420649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3129.420649][ T72] [ 3139.673000][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3139.673632][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3139.673632][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3139.673632][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3139.673632][ T72] fib6_nh_init+0xa22/0x1580 [ 3139.673632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.673632][ T72] ip6_route_add+0x1c/0x140 [ 3139.673632][ T72] inet6_rtm_newroute+0x104/0x110 [ 3139.673632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.673632][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.673632][ T72] netlink_unicast+0x449/0x710 [ 3139.673632][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.673632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.673632][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.673632][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.673632][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.673632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.673632][ T72] [ 3139.675514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3139.675514][ T72] dst_init+0x84/0x4a0 [ 3139.675514][ T72] dst_alloc+0x97/0x150 [ 3139.675514][ T72] ip6_dst_alloc+0x23/0x90 [ 3139.675514][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3139.675514][ T72] ip6_pol_route+0x56f/0x840 [ 3139.675514][ T72] fib6_rule_lookup+0x456/0x630 [ 3139.675514][ T72] ip6_route_input+0x59c/0xa50 [ 3139.675514][ T72] ipv6_rcv+0x397/0x810 [ 3139.675514][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3139.675514][ T72] process_backlog+0x101/0x620 [ 3139.675514][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3139.675514][ T72] net_rx_action+0x495/0xbe0 [ 3139.675514][ T72] __do_softirq+0x1b5/0x7f6 [ 3139.675514][ T72] [ 3139.677127][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3139.677127][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.677127][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.677127][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.677127][ T72] ip6_route_add+0x1c/0x140 [ 3139.677127][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3139.677127][ T72] inet6_addr_add+0x4f8/0xa40 [ 3139.677127][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.677127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.677127][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.677127][ T72] netlink_unicast+0x449/0x710 [ 3139.677127][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.677127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.677127][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.677127][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.677127][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.677127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.677127][ T72] [ 3139.679128][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3139.679128][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.679128][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.679128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.679128][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3139.679128][ T72] ipv6_add_addr+0x411/0x2000 [ 3139.679128][ T72] inet6_addr_add+0x30e/0xa40 [ 3139.679128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.679128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.679128][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.679128][ T72] netlink_unicast+0x449/0x710 [ 3139.679128][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.679128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.679128][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.679128][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.679128][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.679128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.679128][ T72] [ 3139.681119][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3139.681119][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.681119][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.681119][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.681119][ T72] ip6_route_add+0x1c/0x140 [ 3139.681119][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3139.681119][ T72] addrconf_add_dev+0xe2/0x170 [ 3139.681119][ T72] inet6_addr_add+0x12f/0xa40 [ 3139.681119][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.681119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.681119][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.681119][ T72] netlink_unicast+0x449/0x710 [ 3139.681119][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.681119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.681119][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.681119][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.681119][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.681119][ T72] [ 3139.683062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3139.683062][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3139.683062][ T72] ipv6_find_idev+0x102/0x170 [ 3139.683062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3139.683062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.683062][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.683062][ T72] netlink_unicast+0x449/0x710 [ 3139.683062][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.683062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.683062][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.683062][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.683062][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.683062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.683062][ T72] [ 3139.684598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3139.684598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3139.684598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3139.684598][ T72] ipv6_find_idev+0x102/0x170 [ 3139.684598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3139.684598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.684598][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.684598][ T72] netlink_unicast+0x449/0x710 [ 3139.684598][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.684598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.684598][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.684598][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.684598][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.684598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.684598][ T72] [ 3139.686299][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3139.686564][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3139.686564][ T72] dst_init+0x84/0x4a0 [ 3139.686564][ T72] dst_alloc+0x97/0x150 [ 3139.686564][ T72] ip6_dst_alloc+0x23/0x90 [ 3139.686564][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3139.686564][ T72] ip6_pol_route+0x56f/0x840 [ 3139.686564][ T72] fib6_rule_lookup+0x456/0x630 [ 3139.686564][ T72] ip6_route_input+0x59c/0xa50 [ 3139.686564][ T72] ipv6_rcv+0x397/0x810 [ 3139.686564][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3139.686564][ T72] process_backlog+0x101/0x620 [ 3139.686564][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3139.686564][ T72] net_rx_action+0x495/0xbe0 [ 3139.686564][ T72] __do_softirq+0x1b5/0x7f6 [ 3139.686564][ T72] [ 3139.688218][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3139.688218][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.688218][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.688218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.688218][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3139.688218][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3139.688218][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3139.688218][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3139.688218][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3139.688218][ T72] addrconf_dad_begin+0x310/0x670 [ 3139.688218][ T72] addrconf_dad_work+0x10b/0xab0 [ 3139.688218][ T72] process_one_work+0x84d/0x18a0 [ 3139.688218][ T72] worker_thread+0x587/0xd30 [ 3139.688218][ T72] kthread+0x28a/0x350 [ 3139.688218][ T72] ret_from_fork+0x31/0x70 [ 3139.688218][ T72] ret_from_fork_asm+0x1a/0x30 [ 3139.688218][ T72] [ 3139.690106][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3139.690106][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.690106][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.690106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.690106][ T72] ip6_route_add+0x1c/0x140 [ 3139.690106][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3139.690106][ T72] inet6_addr_add+0x4f8/0xa40 [ 3139.690106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.690106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.690106][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.690106][ T72] netlink_unicast+0x449/0x710 [ 3139.690106][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.690106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.690106][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.690106][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.690106][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.690106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.690106][ T72] [ 3139.692107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3139.692107][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.692107][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.692107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.692107][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3139.692107][ T72] ipv6_add_addr+0x411/0x2000 [ 3139.692107][ T72] inet6_addr_add+0x30e/0xa40 [ 3139.692107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.692107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.692107][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.692107][ T72] netlink_unicast+0x449/0x710 [ 3139.692107][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.692107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.692107][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.692107][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.692107][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.692107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.692107][ T72] [ 3139.694107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3139.694107][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.694107][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.694107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.694107][ T72] ip6_route_add+0x1c/0x140 [ 3139.694107][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3139.694107][ T72] addrconf_add_dev+0xe2/0x170 [ 3139.694107][ T72] inet6_addr_add+0x12f/0xa40 [ 3139.694107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.694107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.694107][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.694107][ T72] netlink_unicast+0x449/0x710 [ 3139.694107][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.694107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.694107][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.694107][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.694107][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.694107][ T72] [ 3139.696049][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3139.696049][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3139.696049][ T72] ipv6_find_idev+0x102/0x170 [ 3139.696049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3139.696049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.696049][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.696049][ T72] netlink_unicast+0x449/0x710 [ 3139.696049][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.696049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.696049][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.696049][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.696049][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.696049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.696049][ T72] [ 3139.697583][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3139.697583][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3139.697583][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3139.697583][ T72] ipv6_find_idev+0x102/0x170 [ 3139.697583][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3139.697583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.697583][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.697583][ T72] netlink_unicast+0x449/0x710 [ 3139.697583][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.697583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.697583][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.697583][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.697583][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.697583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.697583][ T72] [ 3139.699399][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3139.699664][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3139.699664][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3139.699664][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3139.699664][ T72] fib6_nh_init+0xa22/0x1580 [ 3139.699664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.699664][ T72] ip6_route_add+0x1c/0x140 [ 3139.699664][ T72] inet6_rtm_newroute+0x104/0x110 [ 3139.699664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.699664][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.699664][ T72] netlink_unicast+0x449/0x710 [ 3139.699664][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.699664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.699664][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.699664][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.699664][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.699664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.699664][ T72] [ 3139.701831][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3139.701831][ T72] dst_init+0x84/0x4a0 [ 3139.701831][ T72] dst_alloc+0x97/0x150 [ 3139.701831][ T72] ip6_dst_alloc+0x23/0x90 [ 3139.701831][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3139.701831][ T72] ip6_pol_route+0x56f/0x840 [ 3139.701831][ T72] fib6_rule_lookup+0x456/0x630 [ 3139.701831][ T72] ip6_route_input+0x59c/0xa50 [ 3139.701831][ T72] ipv6_rcv+0x397/0x810 [ 3139.701831][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3139.701831][ T72] process_backlog+0x101/0x620 [ 3139.701831][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3139.701831][ T72] net_rx_action+0x495/0xbe0 [ 3139.701831][ T72] __do_softirq+0x1b5/0x7f6 [ 3139.701831][ T72] [ 3139.703662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3139.703662][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.703662][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.703662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.703662][ T72] ip6_route_add+0x1c/0x140 [ 3139.703662][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3139.703662][ T72] inet6_addr_add+0x4f8/0xa40 [ 3139.703662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.703662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.703662][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.703662][ T72] netlink_unicast+0x449/0x710 [ 3139.703662][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.703662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.703662][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.703662][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.703662][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.703662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.703662][ T72] [ 3139.705827][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3139.705827][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.705827][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.705827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.705827][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3139.705827][ T72] ipv6_add_addr+0x411/0x2000 [ 3139.705827][ T72] inet6_addr_add+0x30e/0xa40 [ 3139.705827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.705827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.705827][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.705827][ T72] netlink_unicast+0x449/0x710 [ 3139.705827][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.705827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.705827][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.705827][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.705827][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.705827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.705827][ T72] [ 3139.708060][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3139.708060][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.708060][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.708060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.708060][ T72] ip6_route_add+0x1c/0x140 [ 3139.708060][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3139.708060][ T72] addrconf_add_dev+0xe2/0x170 [ 3139.708060][ T72] inet6_addr_add+0x12f/0xa40 [ 3139.708060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.708060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.708060][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.708060][ T72] netlink_unicast+0x449/0x710 [ 3139.708060][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.708060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.708060][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.708060][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.708060][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.708060][ T72] [ 3139.710308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3139.710308][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3139.710308][ T72] ipv6_find_idev+0x102/0x170 [ 3139.710308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3139.710308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.710308][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.710308][ T72] netlink_unicast+0x449/0x710 [ 3139.710308][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.710308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.710308][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.710308][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.710308][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.710308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.710308][ T72] [ 3139.712011][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3139.712011][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3139.712011][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3139.712011][ T72] ipv6_find_idev+0x102/0x170 [ 3139.712011][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3139.712011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.712011][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.712011][ T72] netlink_unicast+0x449/0x710 [ 3139.712011][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.712011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.712011][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.712011][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.712011][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.712011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.712011][ T72] [ 3139.713865][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3139.714204][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3139.714204][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.714204][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.714204][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.714204][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3139.714204][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3139.714204][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3139.714204][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3139.714204][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3139.714204][ T72] addrconf_dad_begin+0x310/0x670 [ 3139.714204][ T72] addrconf_dad_work+0x10b/0xab0 [ 3139.714204][ T72] process_one_work+0x84d/0x18a0 [ 3139.714204][ T72] worker_thread+0x587/0xd30 [ 3139.714204][ T72] kthread+0x28a/0x350 [ 3139.714204][ T72] ret_from_fork+0x31/0x70 [ 3139.714204][ T72] ret_from_fork_asm+0x1a/0x30 [ 3139.714204][ T72] [ 3139.716215][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3139.716215][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.716215][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.716215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.716215][ T72] ip6_route_add+0x1c/0x140 [ 3139.716215][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3139.716215][ T72] inet6_addr_add+0x4f8/0xa40 [ 3139.716215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.716215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.716215][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.716215][ T72] netlink_unicast+0x449/0x710 [ 3139.716215][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.716215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.716215][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.716215][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.716215][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.716215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.716215][ T72] [ 3139.718467][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3139.718467][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.718467][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.718467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.718467][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3139.718467][ T72] ipv6_add_addr+0x411/0x2000 [ 3139.718467][ T72] inet6_addr_add+0x30e/0xa40 [ 3139.718467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.718467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.718467][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.718467][ T72] netlink_unicast+0x449/0x710 [ 3139.718467][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.718467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.718467][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.718467][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.718467][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.718467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.718467][ T72] [ 3139.720775][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3139.720775][ T72] netdev_get_by_index+0x5e/0x80 [ 3139.720775][ T72] fib6_nh_init+0x3d8/0x1580 [ 3139.720775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3139.720775][ T72] ip6_route_add+0x1c/0x140 [ 3139.720775][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3139.720775][ T72] addrconf_add_dev+0xe2/0x170 [ 3139.720775][ T72] inet6_addr_add+0x12f/0xa40 [ 3139.720775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3139.720775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.720775][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.720775][ T72] netlink_unicast+0x449/0x710 [ 3139.720775][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.720775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.720775][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.720775][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.720775][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.720775][ T72] [ 3139.722983][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3139.722983][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3139.722983][ T72] ipv6_find_idev+0x102/0x170 [ 3139.722983][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3139.722983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.722983][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.722983][ T72] netlink_unicast+0x449/0x710 [ 3139.722983][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.722983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.722983][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.722983][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.722983][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.722983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.722983][ T72] [ 3139.724705][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3139.724705][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3139.724705][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3139.724705][ T72] ipv6_find_idev+0x102/0x170 [ 3139.724705][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3139.724705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3139.724705][ T72] netlink_rcv_skb+0x130/0x360 [ 3139.724705][ T72] netlink_unicast+0x449/0x710 [ 3139.724705][ T72] netlink_sendmsg+0x723/0xbe0 [ 3139.724705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3139.724705][ T72] ___sys_sendmsg+0xee/0x170 [ 3139.724705][ T72] __sys_sendmsg+0xcd/0x170 [ 3139.724705][ T72] do_syscall_64+0xc6/0x1e0 [ 3139.724705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3139.724705][ T72] [ 3149.976972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3149.977580][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3149.977580][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3149.977580][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3149.977580][ T72] fib6_nh_init+0xa22/0x1580 [ 3149.977580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3149.977580][ T72] ip6_route_add+0x1c/0x140 [ 3149.977580][ T72] inet6_rtm_newroute+0x104/0x110 [ 3149.977580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.977580][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.977580][ T72] netlink_unicast+0x449/0x710 [ 3149.977580][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.977580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.977580][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.977580][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.977580][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.977580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3149.977580][ T72] [ 3149.979472][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3149.979472][ T72] dst_init+0x84/0x4a0 [ 3149.979472][ T72] dst_alloc+0x97/0x150 [ 3149.979472][ T72] ip6_dst_alloc+0x23/0x90 [ 3149.979472][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3149.979472][ T72] ip6_pol_route+0x56f/0x840 [ 3149.979472][ T72] fib6_rule_lookup+0x456/0x630 [ 3149.979472][ T72] ip6_route_input+0x59c/0xa50 [ 3149.979472][ T72] ipv6_rcv+0x397/0x810 [ 3149.979472][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3149.979472][ T72] process_backlog+0x101/0x620 [ 3149.979472][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3149.979472][ T72] net_rx_action+0x495/0xbe0 [ 3149.979472][ T72] __do_softirq+0x1b5/0x7f6 [ 3149.979472][ T72] [ 3149.981060][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3149.981060][ T72] netdev_get_by_index+0x5e/0x80 [ 3149.981060][ T72] fib6_nh_init+0x3d8/0x1580 [ 3149.981060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3149.981060][ T72] ip6_route_add+0x1c/0x140 [ 3149.981060][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3149.981060][ T72] inet6_addr_add+0x4f8/0xa40 [ 3149.981060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3149.981060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.981060][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.981060][ T72] netlink_unicast+0x449/0x710 [ 3149.981060][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.981060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.981060][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.981060][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.981060][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.981060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3149.981060][ T72] [ 3149.983039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3149.983039][ T72] netdev_get_by_index+0x5e/0x80 [ 3149.983039][ T72] fib6_nh_init+0x3d8/0x1580 [ 3149.983039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3149.983039][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3149.983039][ T72] ipv6_add_addr+0x411/0x2000 [ 3149.983039][ T72] inet6_addr_add+0x30e/0xa40 [ 3149.983039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3149.983039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.983039][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.983039][ T72] netlink_unicast+0x449/0x710 [ 3149.983039][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.983039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.983039][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.983039][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.983039][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.983039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3149.983039][ T72] [ 3149.985019][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3149.985019][ T72] netdev_get_by_index+0x5e/0x80 [ 3149.985019][ T72] fib6_nh_init+0x3d8/0x1580 [ 3149.985019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3149.985019][ T72] ip6_route_add+0x1c/0x140 [ 3149.985019][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3149.985019][ T72] addrconf_add_dev+0xe2/0x170 [ 3149.985019][ T72] inet6_addr_add+0x12f/0xa40 [ 3149.985019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3149.985019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.985019][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.985019][ T72] netlink_unicast+0x449/0x710 [ 3149.985019][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.985019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.985019][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.985019][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.985019][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.985019][ T72] [ 3149.986941][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3149.986941][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3149.986941][ T72] ipv6_find_idev+0x102/0x170 [ 3149.986941][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3149.986941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.986941][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.986941][ T72] netlink_unicast+0x449/0x710 [ 3149.986941][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.986941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.986941][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.986941][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.986941][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.986941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3149.986941][ T72] [ 3149.988461][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3149.988461][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3149.988461][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3149.988461][ T72] ipv6_find_idev+0x102/0x170 [ 3149.988461][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3149.988461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.988461][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.988461][ T72] netlink_unicast+0x449/0x710 [ 3149.988461][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.988461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.988461][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.988461][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.988461][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.988461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3149.988461][ T72] [ 3149.990121][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3149.990395][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3149.990395][ T72] dst_init+0x84/0x4a0 [ 3149.990395][ T72] dst_alloc+0x97/0x150 [ 3149.990395][ T72] ip6_dst_alloc+0x23/0x90 [ 3149.990395][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3149.990395][ T72] ip6_pol_route+0x56f/0x840 [ 3149.990395][ T72] fib6_rule_lookup+0x456/0x630 [ 3149.990395][ T72] ip6_route_input+0x59c/0xa50 [ 3149.990395][ T72] ipv6_rcv+0x397/0x810 [ 3149.990395][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3149.990395][ T72] process_backlog+0x101/0x620 [ 3149.990395][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3149.990395][ T72] net_rx_action+0x495/0xbe0 [ 3149.990395][ T72] __do_softirq+0x1b5/0x7f6 [ 3149.990395][ T72] [ 3149.992054][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3149.992054][ T72] netdev_get_by_index+0x5e/0x80 [ 3149.992054][ T72] fib6_nh_init+0x3d8/0x1580 [ 3149.992054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3149.992054][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3149.992054][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3149.992054][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3149.992054][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3149.992054][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3149.992054][ T72] addrconf_dad_begin+0x310/0x670 [ 3149.992054][ T72] addrconf_dad_work+0x10b/0xab0 [ 3149.992054][ T72] process_one_work+0x84d/0x18a0 [ 3149.992054][ T72] worker_thread+0x587/0xd30 [ 3149.992054][ T72] kthread+0x28a/0x350 [ 3149.992054][ T72] ret_from_fork+0x31/0x70 [ 3149.992054][ T72] ret_from_fork_asm+0x1a/0x30 [ 3149.992054][ T72] [ 3149.994499][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3149.994499][ T72] netdev_get_by_index+0x5e/0x80 [ 3149.994499][ T72] fib6_nh_init+0x3d8/0x1580 [ 3149.994499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3149.994499][ T72] ip6_route_add+0x1c/0x140 [ 3149.994499][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3149.994499][ T72] inet6_addr_add+0x4f8/0xa40 [ 3149.994499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3149.994499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.994499][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.994499][ T72] netlink_unicast+0x449/0x710 [ 3149.994499][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.994499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.994499][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.994499][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.994499][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.994499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3149.994499][ T72] [ 3149.996464][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3149.996464][ T72] netdev_get_by_index+0x5e/0x80 [ 3149.996464][ T72] fib6_nh_init+0x3d8/0x1580 [ 3149.996464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3149.996464][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3149.996464][ T72] ipv6_add_addr+0x411/0x2000 [ 3149.996464][ T72] inet6_addr_add+0x30e/0xa40 [ 3149.996464][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3149.996464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.996464][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.996464][ T72] netlink_unicast+0x449/0x710 [ 3149.996464][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.996464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.996464][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.996464][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.996464][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.996464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3149.996464][ T72] [ 3149.998451][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3149.998451][ T72] netdev_get_by_index+0x5e/0x80 [ 3149.998451][ T72] fib6_nh_init+0x3d8/0x1580 [ 3149.998451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3149.998451][ T72] ip6_route_add+0x1c/0x140 [ 3149.998451][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3149.998451][ T72] addrconf_add_dev+0xe2/0x170 [ 3149.998451][ T72] inet6_addr_add+0x12f/0xa40 [ 3149.998451][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3149.998451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3149.998451][ T72] netlink_rcv_skb+0x130/0x360 [ 3149.998451][ T72] netlink_unicast+0x449/0x710 [ 3149.998451][ T72] netlink_sendmsg+0x723/0xbe0 [ 3149.998451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3149.998451][ T72] ___sys_sendmsg+0xee/0x170 [ 3149.998451][ T72] __sys_sendmsg+0xcd/0x170 [ 3149.998451][ T72] do_syscall_64+0xc6/0x1e0 [ 3149.998451][ T72] [ 3150.000393][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3150.000393][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3150.000393][ T72] ipv6_find_idev+0x102/0x170 [ 3150.000393][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.000393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.000393][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.000393][ T72] netlink_unicast+0x449/0x710 [ 3150.000393][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.000393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.000393][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.000393][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.000393][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.000393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.000393][ T72] [ 3150.001919][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3150.001919][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3150.001919][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3150.001919][ T72] ipv6_find_idev+0x102/0x170 [ 3150.001919][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.001919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.001919][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.001919][ T72] netlink_unicast+0x449/0x710 [ 3150.001919][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.001919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.001919][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.001919][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.001919][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.001919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.001919][ T72] [ 3150.004077][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3150.004344][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3150.004344][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3150.004344][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3150.004344][ T72] fib6_nh_init+0xa22/0x1580 [ 3150.004344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3150.004344][ T72] ip6_route_add+0x1c/0x140 [ 3150.004344][ T72] inet6_rtm_newroute+0x104/0x110 [ 3150.004344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.004344][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.004344][ T72] netlink_unicast+0x449/0x710 [ 3150.004344][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.004344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.004344][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.004344][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.004344][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.004344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.004344][ T72] [ 3150.006508][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3150.006508][ T72] dst_init+0x84/0x4a0 [ 3150.006508][ T72] dst_alloc+0x97/0x150 [ 3150.006508][ T72] ip6_dst_alloc+0x23/0x90 [ 3150.006508][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3150.006508][ T72] ip6_pol_route+0x56f/0x840 [ 3150.006508][ T72] fib6_rule_lookup+0x456/0x630 [ 3150.006508][ T72] ip6_route_input+0x59c/0xa50 [ 3150.006508][ T72] ipv6_rcv+0x397/0x810 [ 3150.006508][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3150.006508][ T72] process_backlog+0x101/0x620 [ 3150.006508][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3150.006508][ T72] net_rx_action+0x495/0xbe0 [ 3150.006508][ T72] __do_softirq+0x1b5/0x7f6 [ 3150.006508][ T72] [ 3150.008306][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3150.008306][ T72] netdev_get_by_index+0x5e/0x80 [ 3150.008306][ T72] fib6_nh_init+0x3d8/0x1580 [ 3150.008306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3150.008306][ T72] ip6_route_add+0x1c/0x140 [ 3150.008306][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3150.008306][ T72] inet6_addr_add+0x4f8/0xa40 [ 3150.008306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.008306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.008306][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.008306][ T72] netlink_unicast+0x449/0x710 [ 3150.008306][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.008306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.008306][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.008306][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.008306][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.008306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.008306][ T72] [ 3150.010446][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3150.010446][ T72] netdev_get_by_index+0x5e/0x80 [ 3150.010446][ T72] fib6_nh_init+0x3d8/0x1580 [ 3150.010446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3150.010446][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3150.010446][ T72] ipv6_add_addr+0x411/0x2000 [ 3150.010446][ T72] inet6_addr_add+0x30e/0xa40 [ 3150.010446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.010446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.010446][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.010446][ T72] netlink_unicast+0x449/0x710 [ 3150.010446][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.010446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.010446][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.010446][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.010446][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.010446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.010446][ T72] [ 3150.012660][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3150.012660][ T72] netdev_get_by_index+0x5e/0x80 [ 3150.012660][ T72] fib6_nh_init+0x3d8/0x1580 [ 3150.012660][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3150.012660][ T72] ip6_route_add+0x1c/0x140 [ 3150.012660][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3150.012660][ T72] addrconf_add_dev+0xe2/0x170 [ 3150.012660][ T72] inet6_addr_add+0x12f/0xa40 [ 3150.012660][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.012660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.012660][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.012660][ T72] netlink_unicast+0x449/0x710 [ 3150.012660][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.012660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.012660][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.012660][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.012660][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.012660][ T72] [ 3150.014924][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3150.014924][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3150.014924][ T72] ipv6_find_idev+0x102/0x170 [ 3150.014924][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.014924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.014924][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.014924][ T72] netlink_unicast+0x449/0x710 [ 3150.014924][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.014924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.014924][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.014924][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.014924][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.014924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.014924][ T72] [ 3150.016608][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3150.016608][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3150.016608][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3150.016608][ T72] ipv6_find_idev+0x102/0x170 [ 3150.016608][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.016608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.016608][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.016608][ T72] netlink_unicast+0x449/0x710 [ 3150.016608][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.016608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.016608][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.016608][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.016608][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.016608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.016608][ T72] [ 3150.018456][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3150.018813][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3150.018813][ T72] netdev_get_by_index+0x5e/0x80 [ 3150.018813][ T72] fib6_nh_init+0x3d8/0x1580 [ 3150.018813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3150.018813][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3150.018813][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3150.018813][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3150.018813][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3150.018813][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3150.018813][ T72] addrconf_dad_begin+0x310/0x670 [ 3150.018813][ T72] addrconf_dad_work+0x10b/0xab0 [ 3150.018813][ T72] process_one_work+0x84d/0x18a0 [ 3150.018813][ T72] worker_thread+0x587/0xd30 [ 3150.018813][ T72] kthread+0x28a/0x350 [ 3150.018813][ T72] ret_from_fork+0x31/0x70 [ 3150.018813][ T72] ret_from_fork_asm+0x1a/0x30 [ 3150.018813][ T72] [ 3150.020824][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3150.020824][ T72] netdev_get_by_index+0x5e/0x80 [ 3150.020824][ T72] fib6_nh_init+0x3d8/0x1580 [ 3150.020824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3150.020824][ T72] ip6_route_add+0x1c/0x140 [ 3150.020824][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3150.020824][ T72] inet6_addr_add+0x4f8/0xa40 [ 3150.020824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.020824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.020824][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.020824][ T72] netlink_unicast+0x449/0x710 [ 3150.020824][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.020824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.020824][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.020824][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.020824][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.020824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.020824][ T72] [ 3150.023042][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3150.023042][ T72] netdev_get_by_index+0x5e/0x80 [ 3150.023042][ T72] fib6_nh_init+0x3d8/0x1580 [ 3150.023042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3150.023042][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3150.023042][ T72] ipv6_add_addr+0x411/0x2000 [ 3150.023042][ T72] inet6_addr_add+0x30e/0xa40 [ 3150.023042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.023042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.023042][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.023042][ T72] netlink_unicast+0x449/0x710 [ 3150.023042][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.023042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.023042][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.023042][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.023042][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.023042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.023042][ T72] [ 3150.025329][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3150.025329][ T72] netdev_get_by_index+0x5e/0x80 [ 3150.025329][ T72] fib6_nh_init+0x3d8/0x1580 [ 3150.025329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3150.025329][ T72] ip6_route_add+0x1c/0x140 [ 3150.025329][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3150.025329][ T72] addrconf_add_dev+0xe2/0x170 [ 3150.025329][ T72] inet6_addr_add+0x12f/0xa40 [ 3150.025329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.025329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.025329][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.025329][ T72] netlink_unicast+0x449/0x710 [ 3150.025329][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.025329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.025329][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.025329][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.025329][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.025329][ T72] [ 3150.027531][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3150.027531][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3150.027531][ T72] ipv6_find_idev+0x102/0x170 [ 3150.027531][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.027531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.027531][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.027531][ T72] netlink_unicast+0x449/0x710 [ 3150.027531][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.027531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.027531][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.027531][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.027531][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.027531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.027531][ T72] [ 3150.029259][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3150.029259][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3150.029259][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3150.029259][ T72] ipv6_find_idev+0x102/0x170 [ 3150.029259][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.029259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.029259][ T72] netlink_rcv_skb+0x130/0x360 [ 3150.029259][ T72] netlink_unicast+0x449/0x710 [ 3150.029259][ T72] netlink_sendmsg+0x723/0xbe0 [ 3150.029259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3150.029259][ T72] ___sys_sendmsg+0xee/0x170 [ 3150.029259][ T72] __sys_sendmsg+0xcd/0x170 [ 3150.029259][ T72] do_syscall_64+0xc6/0x1e0 [ 3150.029259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.029259][ T72] [ 3160.145011][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3160.145555][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3160.145555][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3160.145555][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3160.145555][ T72] fib6_nh_init+0xa22/0x1580 [ 3160.145555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.145555][ T72] ip6_route_add+0x1c/0x140 [ 3160.145555][ T72] inet6_rtm_newroute+0x104/0x110 [ 3160.145555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.145555][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.145555][ T72] netlink_unicast+0x449/0x710 [ 3160.145555][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.145555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.145555][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.145555][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.145555][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.145555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.145555][ T72] [ 3160.147451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3160.147451][ T72] dst_init+0x84/0x4a0 [ 3160.147451][ T72] dst_alloc+0x97/0x150 [ 3160.147451][ T72] ip6_dst_alloc+0x23/0x90 [ 3160.147451][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3160.147451][ T72] ip6_pol_route+0x56f/0x840 [ 3160.147451][ T72] fib6_rule_lookup+0x456/0x630 [ 3160.147451][ T72] ip6_route_input+0x59c/0xa50 [ 3160.147451][ T72] ipv6_rcv+0x397/0x810 [ 3160.147451][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3160.147451][ T72] process_backlog+0x101/0x620 [ 3160.147451][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3160.147451][ T72] net_rx_action+0x495/0xbe0 [ 3160.147451][ T72] __do_softirq+0x1b5/0x7f6 [ 3160.147451][ T72] [ 3160.149085][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3160.149085][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.149085][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.149085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.149085][ T72] ip6_route_add+0x1c/0x140 [ 3160.149085][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3160.149085][ T72] inet6_addr_add+0x4f8/0xa40 [ 3160.149085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.149085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.149085][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.149085][ T72] netlink_unicast+0x449/0x710 [ 3160.149085][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.149085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.149085][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.149085][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.149085][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.149085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.149085][ T72] [ 3160.151064][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3160.151064][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.151064][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.151064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.151064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3160.151064][ T72] ipv6_add_addr+0x411/0x2000 [ 3160.151064][ T72] inet6_addr_add+0x30e/0xa40 [ 3160.151064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.151064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.151064][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.151064][ T72] netlink_unicast+0x449/0x710 [ 3160.151064][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.151064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.151064][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.151064][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.151064][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.151064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.151064][ T72] [ 3160.153059][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3160.153059][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.153059][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.153059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.153059][ T72] ip6_route_add+0x1c/0x140 [ 3160.153059][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3160.153059][ T72] addrconf_add_dev+0xe2/0x170 [ 3160.153059][ T72] inet6_addr_add+0x12f/0xa40 [ 3160.153059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.153059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.153059][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.153059][ T72] netlink_unicast+0x449/0x710 [ 3160.153059][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.153059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.153059][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.153059][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.153059][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.153059][ T72] [ 3160.155034][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3160.155034][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3160.155034][ T72] ipv6_find_idev+0x102/0x170 [ 3160.155034][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.155034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.155034][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.155034][ T72] netlink_unicast+0x449/0x710 [ 3160.155034][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.155034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.155034][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.155034][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.155034][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.155034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.155034][ T72] [ 3160.156568][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3160.156568][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3160.156568][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3160.156568][ T72] ipv6_find_idev+0x102/0x170 [ 3160.156568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.156568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.156568][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.156568][ T72] netlink_unicast+0x449/0x710 [ 3160.156568][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.156568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.156568][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.156568][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.156568][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.156568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.156568][ T72] [ 3160.158287][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3160.158555][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3160.158555][ T72] dst_init+0x84/0x4a0 [ 3160.158555][ T72] dst_alloc+0x97/0x150 [ 3160.158555][ T72] ip6_dst_alloc+0x23/0x90 [ 3160.158555][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3160.158555][ T72] ip6_pol_route+0x56f/0x840 [ 3160.158555][ T72] fib6_rule_lookup+0x456/0x630 [ 3160.158555][ T72] ip6_route_input+0x59c/0xa50 [ 3160.158555][ T72] ipv6_rcv+0x397/0x810 [ 3160.158555][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3160.158555][ T72] process_backlog+0x101/0x620 [ 3160.158555][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3160.158555][ T72] net_rx_action+0x495/0xbe0 [ 3160.158555][ T72] __do_softirq+0x1b5/0x7f6 [ 3160.158555][ T72] [ 3160.160191][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3160.160191][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.160191][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.160191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.160191][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3160.160191][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3160.160191][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3160.160191][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3160.160191][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3160.160191][ T72] addrconf_dad_begin+0x310/0x670 [ 3160.160191][ T72] addrconf_dad_work+0x10b/0xab0 [ 3160.160191][ T72] process_one_work+0x84d/0x18a0 [ 3160.160191][ T72] worker_thread+0x587/0xd30 [ 3160.160191][ T72] kthread+0x28a/0x350 [ 3160.160191][ T72] ret_from_fork+0x31/0x70 [ 3160.160191][ T72] ret_from_fork_asm+0x1a/0x30 [ 3160.160191][ T72] [ 3160.162101][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3160.162101][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.162101][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.162101][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.162101][ T72] ip6_route_add+0x1c/0x140 [ 3160.162101][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3160.162101][ T72] inet6_addr_add+0x4f8/0xa40 [ 3160.162101][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.162101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.162101][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.162101][ T72] netlink_unicast+0x449/0x710 [ 3160.162101][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.162101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.162101][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.162101][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.162101][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.162101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.162101][ T72] [ 3160.164077][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3160.164077][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.164077][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.164077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.164077][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3160.164077][ T72] ipv6_add_addr+0x411/0x2000 [ 3160.164077][ T72] inet6_addr_add+0x30e/0xa40 [ 3160.164077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.164077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.164077][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.164077][ T72] netlink_unicast+0x449/0x710 [ 3160.164077][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.164077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.164077][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.164077][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.164077][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.164077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.164077][ T72] [ 3160.166070][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3160.166070][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.166070][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.166070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.166070][ T72] ip6_route_add+0x1c/0x140 [ 3160.166070][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3160.166070][ T72] addrconf_add_dev+0xe2/0x170 [ 3160.166070][ T72] inet6_addr_add+0x12f/0xa40 [ 3160.166070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.166070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.166070][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.166070][ T72] netlink_unicast+0x449/0x710 [ 3160.166070][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.166070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.166070][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.166070][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.166070][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.166070][ T72] [ 3160.167999][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3160.167999][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3160.167999][ T72] ipv6_find_idev+0x102/0x170 [ 3160.167999][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.167999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.167999][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.167999][ T72] netlink_unicast+0x449/0x710 [ 3160.167999][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.167999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.167999][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.167999][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.167999][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.167999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.167999][ T72] [ 3160.169990][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3160.169990][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3160.169990][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3160.169990][ T72] ipv6_find_idev+0x102/0x170 [ 3160.169990][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.169990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.169990][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.169990][ T72] netlink_unicast+0x449/0x710 [ 3160.169990][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.169990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.169990][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.169990][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.169990][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.169990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.169990][ T72] [ 3160.171780][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3160.172058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3160.172058][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3160.172058][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3160.172058][ T72] fib6_nh_init+0xa22/0x1580 [ 3160.172058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.172058][ T72] ip6_route_add+0x1c/0x140 [ 3160.172058][ T72] inet6_rtm_newroute+0x104/0x110 [ 3160.172058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.172058][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.172058][ T72] netlink_unicast+0x449/0x710 [ 3160.172058][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.172058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.172058][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.172058][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.172058][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.172058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.172058][ T72] [ 3160.174229][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3160.174229][ T72] dst_init+0x84/0x4a0 [ 3160.174229][ T72] dst_alloc+0x97/0x150 [ 3160.174229][ T72] ip6_dst_alloc+0x23/0x90 [ 3160.174229][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3160.174229][ T72] ip6_pol_route+0x56f/0x840 [ 3160.174229][ T72] fib6_rule_lookup+0x456/0x630 [ 3160.174229][ T72] ip6_route_input+0x59c/0xa50 [ 3160.174229][ T72] ipv6_rcv+0x397/0x810 [ 3160.174229][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3160.174229][ T72] process_backlog+0x101/0x620 [ 3160.174229][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3160.174229][ T72] net_rx_action+0x495/0xbe0 [ 3160.174229][ T72] __do_softirq+0x1b5/0x7f6 [ 3160.174229][ T72] [ 3160.176026][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3160.176026][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.176026][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.176026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.176026][ T72] ip6_route_add+0x1c/0x140 [ 3160.176026][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3160.176026][ T72] inet6_addr_add+0x4f8/0xa40 [ 3160.176026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.176026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.176026][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.176026][ T72] netlink_unicast+0x449/0x710 [ 3160.176026][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.176026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.176026][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.176026][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.176026][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.176026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.176026][ T72] [ 3160.178187][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3160.178187][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.178187][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.178187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.178187][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3160.178187][ T72] ipv6_add_addr+0x411/0x2000 [ 3160.178187][ T72] inet6_addr_add+0x30e/0xa40 [ 3160.178187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.178187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.178187][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.178187][ T72] netlink_unicast+0x449/0x710 [ 3160.178187][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.178187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.178187][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.178187][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.178187][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.178187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.178187][ T72] [ 3160.180342][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3160.180342][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.180342][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.180342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.180342][ T72] ip6_route_add+0x1c/0x140 [ 3160.180342][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3160.180342][ T72] addrconf_add_dev+0xe2/0x170 [ 3160.180342][ T72] inet6_addr_add+0x12f/0xa40 [ 3160.180342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.180342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.180342][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.180342][ T72] netlink_unicast+0x449/0x710 [ 3160.180342][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.180342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.180342][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.180342][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.180342][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.180342][ T72] [ 3160.182587][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3160.182587][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3160.182587][ T72] ipv6_find_idev+0x102/0x170 [ 3160.182587][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.182587][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.182587][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.182587][ T72] netlink_unicast+0x449/0x710 [ 3160.182587][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.182587][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.182587][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.182587][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.182587][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.182587][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.182587][ T72] [ 3160.184293][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3160.184293][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3160.184293][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3160.184293][ T72] ipv6_find_idev+0x102/0x170 [ 3160.184293][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.184293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.184293][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.184293][ T72] netlink_unicast+0x449/0x710 [ 3160.184293][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.184293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.184293][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.184293][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.184293][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.184293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.184293][ T72] [ 3160.186154][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3160.186487][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3160.186487][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.186487][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.186487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.186487][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3160.186487][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3160.186487][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3160.186487][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3160.186487][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3160.186487][ T72] addrconf_dad_begin+0x310/0x670 [ 3160.186487][ T72] addrconf_dad_work+0x10b/0xab0 [ 3160.186487][ T72] process_one_work+0x84d/0x18a0 [ 3160.186487][ T72] worker_thread+0x587/0xd30 [ 3160.186487][ T72] kthread+0x28a/0x350 [ 3160.186487][ T72] ret_from_fork+0x31/0x70 [ 3160.186487][ T72] ret_from_fork_asm+0x1a/0x30 [ 3160.186487][ T72] [ 3160.188478][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3160.188478][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.188478][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.188478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.188478][ T72] ip6_route_add+0x1c/0x140 [ 3160.188478][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3160.188478][ T72] inet6_addr_add+0x4f8/0xa40 [ 3160.188478][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.188478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.188478][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.188478][ T72] netlink_unicast+0x449/0x710 [ 3160.188478][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.188478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.188478][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.188478][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.188478][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.188478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.188478][ T72] [ 3160.190727][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3160.190727][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.190727][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.190727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.190727][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3160.190727][ T72] ipv6_add_addr+0x411/0x2000 [ 3160.190727][ T72] inet6_addr_add+0x30e/0xa40 [ 3160.190727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.190727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.190727][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.190727][ T72] netlink_unicast+0x449/0x710 [ 3160.190727][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.190727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.190727][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.190727][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.190727][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.190727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.190727][ T72] [ 3160.193016][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3160.193016][ T72] netdev_get_by_index+0x5e/0x80 [ 3160.193016][ T72] fib6_nh_init+0x3d8/0x1580 [ 3160.193016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3160.193016][ T72] ip6_route_add+0x1c/0x140 [ 3160.193016][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3160.193016][ T72] addrconf_add_dev+0xe2/0x170 [ 3160.193016][ T72] inet6_addr_add+0x12f/0xa40 [ 3160.193016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.193016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.193016][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.193016][ T72] netlink_unicast+0x449/0x710 [ 3160.193016][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.193016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.193016][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.193016][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.193016][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.193016][ T72] [ 3160.195236][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3160.195236][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3160.195236][ T72] ipv6_find_idev+0x102/0x170 [ 3160.195236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.195236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.195236][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.195236][ T72] netlink_unicast+0x449/0x710 [ 3160.195236][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.195236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.195236][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.195236][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.195236][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.195236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.195236][ T72] [ 3160.196908][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3160.196908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3160.196908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3160.196908][ T72] ipv6_find_idev+0x102/0x170 [ 3160.196908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.196908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.196908][ T72] netlink_rcv_skb+0x130/0x360 [ 3160.196908][ T72] netlink_unicast+0x449/0x710 [ 3160.196908][ T72] netlink_sendmsg+0x723/0xbe0 [ 3160.196908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3160.196908][ T72] ___sys_sendmsg+0xee/0x170 [ 3160.196908][ T72] __sys_sendmsg+0xcd/0x170 [ 3160.196908][ T72] do_syscall_64+0xc6/0x1e0 [ 3160.196908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.196908][ T72] [ 3170.352995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3170.353534][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3170.353534][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3170.353534][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3170.353534][ T72] fib6_nh_init+0xa22/0x1580 [ 3170.353534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.353534][ T72] ip6_route_add+0x1c/0x140 [ 3170.353534][ T72] inet6_rtm_newroute+0x104/0x110 [ 3170.353534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.353534][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.353534][ T72] netlink_unicast+0x449/0x710 [ 3170.353534][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.353534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.353534][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.353534][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.353534][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.353534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.353534][ T72] [ 3170.355379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3170.355379][ T72] dst_init+0x84/0x4a0 [ 3170.355379][ T72] dst_alloc+0x97/0x150 [ 3170.355379][ T72] ip6_dst_alloc+0x23/0x90 [ 3170.355379][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3170.355379][ T72] ip6_pol_route+0x56f/0x840 [ 3170.355379][ T72] fib6_rule_lookup+0x456/0x630 [ 3170.355379][ T72] ip6_route_input+0x59c/0xa50 [ 3170.355379][ T72] ipv6_rcv+0x397/0x810 [ 3170.355379][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3170.355379][ T72] process_backlog+0x101/0x620 [ 3170.355379][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3170.355379][ T72] net_rx_action+0x495/0xbe0 [ 3170.355379][ T72] __do_softirq+0x1b5/0x7f6 [ 3170.355379][ T72] [ 3170.356970][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3170.356970][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.356970][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.356970][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.356970][ T72] ip6_route_add+0x1c/0x140 [ 3170.356970][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3170.356970][ T72] inet6_addr_add+0x4f8/0xa40 [ 3170.356970][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.356970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.356970][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.356970][ T72] netlink_unicast+0x449/0x710 [ 3170.356970][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.356970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.356970][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.356970][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.356970][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.356970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.356970][ T72] [ 3170.358956][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3170.358956][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.358956][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.358956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.358956][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3170.358956][ T72] ipv6_add_addr+0x411/0x2000 [ 3170.358956][ T72] inet6_addr_add+0x30e/0xa40 [ 3170.358956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.358956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.358956][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.358956][ T72] netlink_unicast+0x449/0x710 [ 3170.358956][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.358956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.358956][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.358956][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.358956][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.358956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.358956][ T72] [ 3170.360957][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3170.360957][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.360957][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.360957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.360957][ T72] ip6_route_add+0x1c/0x140 [ 3170.360957][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3170.360957][ T72] addrconf_add_dev+0xe2/0x170 [ 3170.360957][ T72] inet6_addr_add+0x12f/0xa40 [ 3170.360957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.360957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.360957][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.360957][ T72] netlink_unicast+0x449/0x710 [ 3170.360957][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.360957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.360957][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.360957][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.360957][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.360957][ T72] [ 3170.362927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3170.362927][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3170.362927][ T72] ipv6_find_idev+0x102/0x170 [ 3170.362927][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.362927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.362927][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.362927][ T72] netlink_unicast+0x449/0x710 [ 3170.362927][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.362927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.362927][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.362927][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.362927][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.362927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.362927][ T72] [ 3170.364475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3170.364475][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3170.364475][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3170.364475][ T72] ipv6_find_idev+0x102/0x170 [ 3170.364475][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.364475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.364475][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.364475][ T72] netlink_unicast+0x449/0x710 [ 3170.364475][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.364475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.364475][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.364475][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.364475][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.364475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.364475][ T72] [ 3170.366140][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3170.366438][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3170.366438][ T72] dst_init+0x84/0x4a0 [ 3170.366438][ T72] dst_alloc+0x97/0x150 [ 3170.366438][ T72] ip6_dst_alloc+0x23/0x90 [ 3170.366438][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3170.366438][ T72] ip6_pol_route+0x56f/0x840 [ 3170.366438][ T72] fib6_rule_lookup+0x456/0x630 [ 3170.366438][ T72] ip6_route_input+0x59c/0xa50 [ 3170.366438][ T72] ipv6_rcv+0x397/0x810 [ 3170.366438][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3170.366438][ T72] process_backlog+0x101/0x620 [ 3170.366438][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3170.366438][ T72] net_rx_action+0x495/0xbe0 [ 3170.366438][ T72] __do_softirq+0x1b5/0x7f6 [ 3170.366438][ T72] [ 3170.368094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3170.368094][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.368094][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.368094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.368094][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3170.368094][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3170.368094][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3170.368094][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3170.368094][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3170.368094][ T72] addrconf_dad_begin+0x310/0x670 [ 3170.368094][ T72] addrconf_dad_work+0x10b/0xab0 [ 3170.368094][ T72] process_one_work+0x84d/0x18a0 [ 3170.368094][ T72] worker_thread+0x587/0xd30 [ 3170.368094][ T72] kthread+0x28a/0x350 [ 3170.368094][ T72] ret_from_fork+0x31/0x70 [ 3170.368094][ T72] ret_from_fork_asm+0x1a/0x30 [ 3170.368094][ T72] [ 3170.370016][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3170.370016][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.370016][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.370016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.370016][ T72] ip6_route_add+0x1c/0x140 [ 3170.370016][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3170.370016][ T72] inet6_addr_add+0x4f8/0xa40 [ 3170.370016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.370016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.370016][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.370016][ T72] netlink_unicast+0x449/0x710 [ 3170.370016][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.370016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.370016][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.370016][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.370016][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.370016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.370016][ T72] [ 3170.372040][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3170.372040][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.372040][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.372040][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.372040][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3170.372040][ T72] ipv6_add_addr+0x411/0x2000 [ 3170.372040][ T72] inet6_addr_add+0x30e/0xa40 [ 3170.372040][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.372040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.372040][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.372040][ T72] netlink_unicast+0x449/0x710 [ 3170.372040][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.372040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.372040][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.372040][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.372040][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.372040][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.372040][ T72] [ 3170.374036][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3170.374036][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.374036][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.374036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.374036][ T72] ip6_route_add+0x1c/0x140 [ 3170.374036][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3170.374036][ T72] addrconf_add_dev+0xe2/0x170 [ 3170.374036][ T72] inet6_addr_add+0x12f/0xa40 [ 3170.374036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.374036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.374036][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.374036][ T72] netlink_unicast+0x449/0x710 [ 3170.374036][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.374036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.374036][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.374036][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.374036][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.374036][ T72] [ 3170.375981][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3170.375981][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3170.375981][ T72] ipv6_find_idev+0x102/0x170 [ 3170.375981][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.375981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.375981][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.375981][ T72] netlink_unicast+0x449/0x710 [ 3170.375981][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.375981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.375981][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.375981][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.375981][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.375981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.375981][ T72] [ 3170.377512][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3170.377512][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3170.377512][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3170.377512][ T72] ipv6_find_idev+0x102/0x170 [ 3170.377512][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.377512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.377512][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.377512][ T72] netlink_unicast+0x449/0x710 [ 3170.377512][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.377512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.377512][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.377512][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.377512][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.377512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.377512][ T72] [ 3170.379276][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3170.379543][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3170.379543][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3170.379543][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3170.379543][ T72] fib6_nh_init+0xa22/0x1580 [ 3170.379543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.379543][ T72] ip6_route_add+0x1c/0x140 [ 3170.379543][ T72] inet6_rtm_newroute+0x104/0x110 [ 3170.379543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.379543][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.379543][ T72] netlink_unicast+0x449/0x710 [ 3170.379543][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.379543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.379543][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.379543][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.379543][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.379543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.379543][ T72] [ 3170.381730][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3170.381730][ T72] dst_init+0x84/0x4a0 [ 3170.381730][ T72] dst_alloc+0x97/0x150 [ 3170.381730][ T72] ip6_dst_alloc+0x23/0x90 [ 3170.381730][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3170.381730][ T72] ip6_pol_route+0x56f/0x840 [ 3170.381730][ T72] fib6_rule_lookup+0x456/0x630 [ 3170.381730][ T72] ip6_route_input+0x59c/0xa50 [ 3170.381730][ T72] ipv6_rcv+0x397/0x810 [ 3170.381730][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3170.381730][ T72] process_backlog+0x101/0x620 [ 3170.381730][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3170.381730][ T72] net_rx_action+0x495/0xbe0 [ 3170.381730][ T72] __do_softirq+0x1b5/0x7f6 [ 3170.381730][ T72] [ 3170.383551][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3170.383551][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.383551][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.383551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.383551][ T72] ip6_route_add+0x1c/0x140 [ 3170.383551][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3170.383551][ T72] inet6_addr_add+0x4f8/0xa40 [ 3170.383551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.383551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.383551][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.383551][ T72] netlink_unicast+0x449/0x710 [ 3170.383551][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.383551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.383551][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.383551][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.383551][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.383551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.383551][ T72] [ 3170.385736][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3170.385736][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.385736][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.385736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.385736][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3170.385736][ T72] ipv6_add_addr+0x411/0x2000 [ 3170.385736][ T72] inet6_addr_add+0x30e/0xa40 [ 3170.385736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.385736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.385736][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.385736][ T72] netlink_unicast+0x449/0x710 [ 3170.385736][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.385736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.385736][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.385736][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.385736][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.385736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.385736][ T72] [ 3170.387956][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3170.387956][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.387956][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.387956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.387956][ T72] ip6_route_add+0x1c/0x140 [ 3170.387956][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3170.387956][ T72] addrconf_add_dev+0xe2/0x170 [ 3170.387956][ T72] inet6_addr_add+0x12f/0xa40 [ 3170.387956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.387956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.387956][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.387956][ T72] netlink_unicast+0x449/0x710 [ 3170.387956][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.387956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.387956][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.387956][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.387956][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.387956][ T72] [ 3170.390183][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3170.390183][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3170.390183][ T72] ipv6_find_idev+0x102/0x170 [ 3170.390183][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.390183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.390183][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.390183][ T72] netlink_unicast+0x449/0x710 [ 3170.390183][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.390183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.390183][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.390183][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.390183][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.390183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.390183][ T72] [ 3170.391893][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3170.391893][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3170.391893][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3170.391893][ T72] ipv6_find_idev+0x102/0x170 [ 3170.391893][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.391893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.391893][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.391893][ T72] netlink_unicast+0x449/0x710 [ 3170.391893][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.391893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.391893][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.391893][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.391893][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.391893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.391893][ T72] [ 3170.393764][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3170.394534][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3170.394534][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.394534][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.394534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.394534][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3170.394534][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3170.394534][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3170.394534][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3170.394534][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3170.394534][ T72] addrconf_dad_begin+0x310/0x670 [ 3170.394534][ T72] addrconf_dad_work+0x10b/0xab0 [ 3170.394534][ T72] process_one_work+0x84d/0x18a0 [ 3170.394534][ T72] worker_thread+0x587/0xd30 [ 3170.394534][ T72] kthread+0x28a/0x350 [ 3170.394534][ T72] ret_from_fork+0x31/0x70 [ 3170.394534][ T72] ret_from_fork_asm+0x1a/0x30 [ 3170.394534][ T72] [ 3170.396432][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3170.396432][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.396432][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.396432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.396432][ T72] ip6_route_add+0x1c/0x140 [ 3170.396432][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3170.396432][ T72] inet6_addr_add+0x4f8/0xa40 [ 3170.396432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.396432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.396432][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.396432][ T72] netlink_unicast+0x449/0x710 [ 3170.396432][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.396432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.396432][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.396432][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.396432][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.396432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.396432][ T72] [ 3170.398499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3170.398499][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.398499][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.398499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.398499][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3170.398499][ T72] ipv6_add_addr+0x411/0x2000 [ 3170.398499][ T72] inet6_addr_add+0x30e/0xa40 [ 3170.398499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.398499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.398499][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.398499][ T72] netlink_unicast+0x449/0x710 [ 3170.398499][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.398499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.398499][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.398499][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.398499][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.398499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.398499][ T72] [ 3170.400739][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3170.400739][ T72] netdev_get_by_index+0x5e/0x80 [ 3170.400739][ T72] fib6_nh_init+0x3d8/0x1580 [ 3170.400739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3170.400739][ T72] ip6_route_add+0x1c/0x140 [ 3170.400739][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3170.400739][ T72] addrconf_add_dev+0xe2/0x170 [ 3170.400739][ T72] inet6_addr_add+0x12f/0xa40 [ 3170.400739][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.400739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.400739][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.400739][ T72] netlink_unicast+0x449/0x710 [ 3170.400739][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.400739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.400739][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.400739][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.400739][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.400739][ T72] [ 3170.402962][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3170.402962][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3170.402962][ T72] ipv6_find_idev+0x102/0x170 [ 3170.402962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.402962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.402962][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.402962][ T72] netlink_unicast+0x449/0x710 [ 3170.402962][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.402962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.402962][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.402962][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.402962][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.402962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.402962][ T72] [ 3170.404694][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3170.404694][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3170.404694][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3170.404694][ T72] ipv6_find_idev+0x102/0x170 [ 3170.404694][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.404694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.404694][ T72] netlink_rcv_skb+0x130/0x360 [ 3170.404694][ T72] netlink_unicast+0x449/0x710 [ 3170.404694][ T72] netlink_sendmsg+0x723/0xbe0 [ 3170.404694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3170.404694][ T72] ___sys_sendmsg+0xee/0x170 [ 3170.404694][ T72] __sys_sendmsg+0xcd/0x170 [ 3170.404694][ T72] do_syscall_64+0xc6/0x1e0 [ 3170.404694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.404694][ T72] [ 3180.648977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3180.649690][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3180.649690][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3180.649690][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3180.649690][ T72] fib6_nh_init+0xa22/0x1580 [ 3180.649690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.649690][ T72] ip6_route_add+0x1c/0x140 [ 3180.649690][ T72] inet6_rtm_newroute+0x104/0x110 [ 3180.649690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.649690][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.649690][ T72] netlink_unicast+0x449/0x710 [ 3180.649690][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.649690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.649690][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.649690][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.649690][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.649690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.649690][ T72] [ 3180.651528][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3180.651528][ T72] dst_init+0x84/0x4a0 [ 3180.651528][ T72] dst_alloc+0x97/0x150 [ 3180.651528][ T72] ip6_dst_alloc+0x23/0x90 [ 3180.651528][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3180.651528][ T72] ip6_pol_route+0x56f/0x840 [ 3180.651528][ T72] fib6_rule_lookup+0x456/0x630 [ 3180.651528][ T72] ip6_route_input+0x59c/0xa50 [ 3180.651528][ T72] ipv6_rcv+0x397/0x810 [ 3180.651528][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3180.651528][ T72] process_backlog+0x101/0x620 [ 3180.651528][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3180.651528][ T72] net_rx_action+0x495/0xbe0 [ 3180.651528][ T72] __do_softirq+0x1b5/0x7f6 [ 3180.651528][ T72] [ 3180.653130][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3180.653130][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.653130][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.653130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.653130][ T72] ip6_route_add+0x1c/0x140 [ 3180.653130][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3180.653130][ T72] inet6_addr_add+0x4f8/0xa40 [ 3180.653130][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.653130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.653130][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.653130][ T72] netlink_unicast+0x449/0x710 [ 3180.653130][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.653130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.653130][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.653130][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.653130][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.653130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.653130][ T72] [ 3180.655070][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3180.655070][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.655070][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.655070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.655070][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3180.655070][ T72] ipv6_add_addr+0x411/0x2000 [ 3180.655070][ T72] inet6_addr_add+0x30e/0xa40 [ 3180.655070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.655070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.655070][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.655070][ T72] netlink_unicast+0x449/0x710 [ 3180.655070][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.655070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.655070][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.655070][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.655070][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.655070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.655070][ T72] [ 3180.657037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3180.657037][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.657037][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.657037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.657037][ T72] ip6_route_add+0x1c/0x140 [ 3180.657037][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3180.657037][ T72] addrconf_add_dev+0xe2/0x170 [ 3180.657037][ T72] inet6_addr_add+0x12f/0xa40 [ 3180.657037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.657037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.657037][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.657037][ T72] netlink_unicast+0x449/0x710 [ 3180.657037][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.657037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.657037][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.657037][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.657037][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.657037][ T72] [ 3180.658963][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3180.658963][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3180.658963][ T72] ipv6_find_idev+0x102/0x170 [ 3180.658963][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3180.658963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.658963][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.658963][ T72] netlink_unicast+0x449/0x710 [ 3180.658963][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.658963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.658963][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.658963][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.658963][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.658963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.658963][ T72] [ 3180.660465][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3180.660465][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3180.660465][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3180.660465][ T72] ipv6_find_idev+0x102/0x170 [ 3180.660465][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3180.660465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.660465][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.660465][ T72] netlink_unicast+0x449/0x710 [ 3180.660465][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.660465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.660465][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.660465][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.660465][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.660465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.660465][ T72] [ 3180.662141][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3180.662418][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3180.662418][ T72] dst_init+0x84/0x4a0 [ 3180.662418][ T72] dst_alloc+0x97/0x150 [ 3180.662418][ T72] ip6_dst_alloc+0x23/0x90 [ 3180.662418][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3180.662418][ T72] ip6_pol_route+0x56f/0x840 [ 3180.662418][ T72] fib6_rule_lookup+0x456/0x630 [ 3180.662418][ T72] ip6_route_input+0x59c/0xa50 [ 3180.662418][ T72] ipv6_rcv+0x397/0x810 [ 3180.662418][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3180.662418][ T72] process_backlog+0x101/0x620 [ 3180.662418][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3180.662418][ T72] net_rx_action+0x495/0xbe0 [ 3180.662418][ T72] __do_softirq+0x1b5/0x7f6 [ 3180.662418][ T72] [ 3180.664073][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3180.664073][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.664073][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.664073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.664073][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3180.664073][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3180.664073][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3180.664073][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3180.664073][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3180.664073][ T72] addrconf_dad_begin+0x310/0x670 [ 3180.664073][ T72] addrconf_dad_work+0x10b/0xab0 [ 3180.664073][ T72] process_one_work+0x84d/0x18a0 [ 3180.664073][ T72] worker_thread+0x587/0xd30 [ 3180.664073][ T72] kthread+0x28a/0x350 [ 3180.664073][ T72] ret_from_fork+0x31/0x70 [ 3180.664073][ T72] ret_from_fork_asm+0x1a/0x30 [ 3180.664073][ T72] [ 3180.665946][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3180.665946][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.665946][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.665946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.665946][ T72] ip6_route_add+0x1c/0x140 [ 3180.665946][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3180.665946][ T72] inet6_addr_add+0x4f8/0xa40 [ 3180.665946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.665946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.665946][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.665946][ T72] netlink_unicast+0x449/0x710 [ 3180.665946][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.665946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.665946][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.665946][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.665946][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.665946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.665946][ T72] [ 3180.667925][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3180.667925][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.667925][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.667925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.667925][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3180.667925][ T72] ipv6_add_addr+0x411/0x2000 [ 3180.667925][ T72] inet6_addr_add+0x30e/0xa40 [ 3180.667925][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.667925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.667925][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.667925][ T72] netlink_unicast+0x449/0x710 [ 3180.667925][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.667925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.667925][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.667925][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.667925][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.667925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.667925][ T72] [ 3180.669877][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3180.669877][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.669877][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.669877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.669877][ T72] ip6_route_add+0x1c/0x140 [ 3180.669877][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3180.669877][ T72] addrconf_add_dev+0xe2/0x170 [ 3180.669877][ T72] inet6_addr_add+0x12f/0xa40 [ 3180.669877][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.669877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.669877][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.669877][ T72] netlink_unicast+0x449/0x710 [ 3180.669877][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.669877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.669877][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.669877][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.669877][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.669877][ T72] [ 3180.672360][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3180.672360][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3180.672360][ T72] ipv6_find_idev+0x102/0x170 [ 3180.672360][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3180.672360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.672360][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.672360][ T72] netlink_unicast+0x449/0x710 [ 3180.672360][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.672360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.672360][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.672360][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.672360][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.672360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.672360][ T72] [ 3180.673882][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3180.673882][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3180.673882][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3180.673882][ T72] ipv6_find_idev+0x102/0x170 [ 3180.673882][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3180.673882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.673882][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.673882][ T72] netlink_unicast+0x449/0x710 [ 3180.673882][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.673882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.673882][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.673882][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.673882][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.673882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.673882][ T72] [ 3180.675659][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3180.676313][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3180.676313][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3180.676313][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3180.676313][ T72] fib6_nh_init+0xa22/0x1580 [ 3180.676313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.676313][ T72] ip6_route_add+0x1c/0x140 [ 3180.676313][ T72] inet6_rtm_newroute+0x104/0x110 [ 3180.676313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.676313][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.676313][ T72] netlink_unicast+0x449/0x710 [ 3180.676313][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.676313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.676313][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.676313][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.676313][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.676313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.676313][ T72] [ 3180.678503][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3180.678503][ T72] dst_init+0x84/0x4a0 [ 3180.678503][ T72] dst_alloc+0x97/0x150 [ 3180.678503][ T72] ip6_dst_alloc+0x23/0x90 [ 3180.678503][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3180.678503][ T72] ip6_pol_route+0x56f/0x840 [ 3180.678503][ T72] fib6_rule_lookup+0x456/0x630 [ 3180.678503][ T72] ip6_route_input+0x59c/0xa50 [ 3180.678503][ T72] ipv6_rcv+0x397/0x810 [ 3180.678503][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3180.678503][ T72] process_backlog+0x101/0x620 [ 3180.678503][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3180.678503][ T72] net_rx_action+0x495/0xbe0 [ 3180.678503][ T72] __do_softirq+0x1b5/0x7f6 [ 3180.678503][ T72] [ 3180.680303][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3180.680303][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.680303][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.680303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.680303][ T72] ip6_route_add+0x1c/0x140 [ 3180.680303][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3180.680303][ T72] inet6_addr_add+0x4f8/0xa40 [ 3180.680303][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.680303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.680303][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.680303][ T72] netlink_unicast+0x449/0x710 [ 3180.680303][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.680303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.680303][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.680303][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.680303][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.680303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.680303][ T72] [ 3180.682461][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3180.682461][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.682461][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.682461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.682461][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3180.682461][ T72] ipv6_add_addr+0x411/0x2000 [ 3180.682461][ T72] inet6_addr_add+0x30e/0xa40 [ 3180.682461][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.682461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.682461][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.682461][ T72] netlink_unicast+0x449/0x710 [ 3180.682461][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.682461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.682461][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.682461][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.682461][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.682461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.682461][ T72] [ 3180.684710][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3180.684710][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.684710][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.684710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.684710][ T72] ip6_route_add+0x1c/0x140 [ 3180.684710][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3180.684710][ T72] addrconf_add_dev+0xe2/0x170 [ 3180.684710][ T72] inet6_addr_add+0x12f/0xa40 [ 3180.684710][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.684710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.684710][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.684710][ T72] netlink_unicast+0x449/0x710 [ 3180.684710][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.684710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.684710][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.684710][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.684710][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.684710][ T72] [ 3180.686959][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3180.686959][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3180.686959][ T72] ipv6_find_idev+0x102/0x170 [ 3180.686959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3180.686959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.686959][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.686959][ T72] netlink_unicast+0x449/0x710 [ 3180.686959][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.686959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.686959][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.686959][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.686959][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.686959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.686959][ T72] [ 3180.688665][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3180.688665][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3180.688665][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3180.688665][ T72] ipv6_find_idev+0x102/0x170 [ 3180.688665][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3180.688665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.688665][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.688665][ T72] netlink_unicast+0x449/0x710 [ 3180.688665][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.688665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.688665][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.688665][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.688665][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.688665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.688665][ T72] [ 3180.690500][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3180.691288][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3180.691288][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.691288][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.691288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.691288][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3180.691288][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3180.691288][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3180.691288][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3180.691288][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3180.691288][ T72] addrconf_dad_begin+0x310/0x670 [ 3180.691288][ T72] addrconf_dad_work+0x10b/0xab0 [ 3180.691288][ T72] process_one_work+0x84d/0x18a0 [ 3180.691288][ T72] worker_thread+0x587/0xd30 [ 3180.691288][ T72] kthread+0x28a/0x350 [ 3180.691288][ T72] ret_from_fork+0x31/0x70 [ 3180.691288][ T72] ret_from_fork_asm+0x1a/0x30 [ 3180.691288][ T72] [ 3180.693207][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3180.693207][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.693207][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.693207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.693207][ T72] ip6_route_add+0x1c/0x140 [ 3180.693207][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3180.693207][ T72] inet6_addr_add+0x4f8/0xa40 [ 3180.693207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.693207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.693207][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.693207][ T72] netlink_unicast+0x449/0x710 [ 3180.693207][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.693207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.693207][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.693207][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.693207][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.693207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.693207][ T72] [ 3180.695191][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3180.695191][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.695191][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.695191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.695191][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3180.695191][ T72] ipv6_add_addr+0x411/0x2000 [ 3180.695191][ T72] inet6_addr_add+0x30e/0xa40 [ 3180.695191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.695191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.695191][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.695191][ T72] netlink_unicast+0x449/0x710 [ 3180.695191][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.695191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.695191][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.695191][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.695191][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.695191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.695191][ T72] [ 3180.697748][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3180.697748][ T72] netdev_get_by_index+0x5e/0x80 [ 3180.697748][ T72] fib6_nh_init+0x3d8/0x1580 [ 3180.697748][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3180.697748][ T72] ip6_route_add+0x1c/0x140 [ 3180.697748][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3180.697748][ T72] addrconf_add_dev+0xe2/0x170 [ 3180.697748][ T72] inet6_addr_add+0x12f/0xa40 [ 3180.697748][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3180.697748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.697748][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.697748][ T72] netlink_unicast+0x449/0x710 [ 3180.697748][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.697748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.697748][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.697748][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.697748][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.697748][ T72] [ 3180.699962][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3180.699962][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3180.699962][ T72] ipv6_find_idev+0x102/0x170 [ 3180.699962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3180.699962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.699962][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.699962][ T72] netlink_unicast+0x449/0x710 [ 3180.699962][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.699962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.699962][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.699962][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.699962][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.699962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.699962][ T72] [ 3180.701774][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3180.701774][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3180.701774][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3180.701774][ T72] ipv6_find_idev+0x102/0x170 [ 3180.701774][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3180.701774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3180.701774][ T72] netlink_rcv_skb+0x130/0x360 [ 3180.701774][ T72] netlink_unicast+0x449/0x710 [ 3180.701774][ T72] netlink_sendmsg+0x723/0xbe0 [ 3180.701774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3180.701774][ T72] ___sys_sendmsg+0xee/0x170 [ 3180.701774][ T72] __sys_sendmsg+0xcd/0x170 [ 3180.701774][ T72] do_syscall_64+0xc6/0x1e0 [ 3180.701774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3180.701774][ T72] [ 3190.713004][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3190.713678][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3190.713678][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3190.713678][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3190.713678][ T72] fib6_nh_init+0xa22/0x1580 [ 3190.713678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.713678][ T72] ip6_route_add+0x1c/0x140 [ 3190.713678][ T72] inet6_rtm_newroute+0x104/0x110 [ 3190.713678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.713678][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.713678][ T72] netlink_unicast+0x449/0x710 [ 3190.713678][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.713678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.713678][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.713678][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.713678][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.713678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.713678][ T72] [ 3190.715530][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3190.715530][ T72] dst_init+0x84/0x4a0 [ 3190.715530][ T72] dst_alloc+0x97/0x150 [ 3190.715530][ T72] ip6_dst_alloc+0x23/0x90 [ 3190.715530][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3190.715530][ T72] ip6_pol_route+0x56f/0x840 [ 3190.715530][ T72] fib6_rule_lookup+0x456/0x630 [ 3190.715530][ T72] ip6_route_input+0x59c/0xa50 [ 3190.715530][ T72] ipv6_rcv+0x397/0x810 [ 3190.715530][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3190.715530][ T72] process_backlog+0x101/0x620 [ 3190.715530][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3190.715530][ T72] net_rx_action+0x495/0xbe0 [ 3190.715530][ T72] __do_softirq+0x1b5/0x7f6 [ 3190.715530][ T72] [ 3190.717125][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3190.717125][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.717125][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.717125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.717125][ T72] ip6_route_add+0x1c/0x140 [ 3190.717125][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3190.717125][ T72] inet6_addr_add+0x4f8/0xa40 [ 3190.717125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.717125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.717125][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.717125][ T72] netlink_unicast+0x449/0x710 [ 3190.717125][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.717125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.717125][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.717125][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.717125][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.717125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.717125][ T72] [ 3190.719069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3190.719069][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.719069][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.719069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.719069][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3190.719069][ T72] ipv6_add_addr+0x411/0x2000 [ 3190.719069][ T72] inet6_addr_add+0x30e/0xa40 [ 3190.719069][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.719069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.719069][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.719069][ T72] netlink_unicast+0x449/0x710 [ 3190.719069][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.719069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.719069][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.719069][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.719069][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.719069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.719069][ T72] [ 3190.721038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3190.721038][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.721038][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.721038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.721038][ T72] ip6_route_add+0x1c/0x140 [ 3190.721038][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3190.721038][ T72] addrconf_add_dev+0xe2/0x170 [ 3190.721038][ T72] inet6_addr_add+0x12f/0xa40 [ 3190.721038][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.721038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.721038][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.721038][ T72] netlink_unicast+0x449/0x710 [ 3190.721038][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.721038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.721038][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.721038][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.721038][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.721038][ T72] [ 3190.722989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3190.722989][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3190.722989][ T72] ipv6_find_idev+0x102/0x170 [ 3190.722989][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3190.722989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.722989][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.722989][ T72] netlink_unicast+0x449/0x710 [ 3190.722989][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.722989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.722989][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.722989][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.722989][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.722989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.722989][ T72] [ 3190.724513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3190.724513][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3190.724513][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3190.724513][ T72] ipv6_find_idev+0x102/0x170 [ 3190.724513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3190.724513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.724513][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.724513][ T72] netlink_unicast+0x449/0x710 [ 3190.724513][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.724513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.724513][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.724513][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.724513][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.724513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.724513][ T72] [ 3190.726189][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3190.726468][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3190.726468][ T72] dst_init+0x84/0x4a0 [ 3190.726468][ T72] dst_alloc+0x97/0x150 [ 3190.726468][ T72] ip6_dst_alloc+0x23/0x90 [ 3190.726468][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3190.726468][ T72] ip6_pol_route+0x56f/0x840 [ 3190.726468][ T72] fib6_rule_lookup+0x456/0x630 [ 3190.726468][ T72] ip6_route_input+0x59c/0xa50 [ 3190.726468][ T72] ipv6_rcv+0x397/0x810 [ 3190.726468][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3190.726468][ T72] process_backlog+0x101/0x620 [ 3190.726468][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3190.726468][ T72] net_rx_action+0x495/0xbe0 [ 3190.726468][ T72] __do_softirq+0x1b5/0x7f6 [ 3190.726468][ T72] [ 3190.728094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3190.728094][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.728094][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.728094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.728094][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3190.728094][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3190.728094][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3190.728094][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3190.728094][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3190.728094][ T72] addrconf_dad_begin+0x310/0x670 [ 3190.728094][ T72] addrconf_dad_work+0x10b/0xab0 [ 3190.728094][ T72] process_one_work+0x84d/0x18a0 [ 3190.728094][ T72] worker_thread+0x587/0xd30 [ 3190.728094][ T72] kthread+0x28a/0x350 [ 3190.728094][ T72] ret_from_fork+0x31/0x70 [ 3190.728094][ T72] ret_from_fork_asm+0x1a/0x30 [ 3190.728094][ T72] [ 3190.729938][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3190.729938][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.729938][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.729938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.729938][ T72] ip6_route_add+0x1c/0x140 [ 3190.729938][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3190.729938][ T72] inet6_addr_add+0x4f8/0xa40 [ 3190.729938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.729938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.729938][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.729938][ T72] netlink_unicast+0x449/0x710 [ 3190.729938][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.729938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.729938][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.729938][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.729938][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.729938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.729938][ T72] [ 3190.731903][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3190.731903][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.731903][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.731903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.731903][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3190.731903][ T72] ipv6_add_addr+0x411/0x2000 [ 3190.731903][ T72] inet6_addr_add+0x30e/0xa40 [ 3190.731903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.731903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.731903][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.731903][ T72] netlink_unicast+0x449/0x710 [ 3190.731903][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.731903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.731903][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.731903][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.731903][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.731903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.731903][ T72] [ 3190.733901][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3190.733901][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.733901][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.733901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.733901][ T72] ip6_route_add+0x1c/0x140 [ 3190.733901][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3190.733901][ T72] addrconf_add_dev+0xe2/0x170 [ 3190.733901][ T72] inet6_addr_add+0x12f/0xa40 [ 3190.733901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.733901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.733901][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.733901][ T72] netlink_unicast+0x449/0x710 [ 3190.733901][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.733901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.733901][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.733901][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.733901][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.733901][ T72] [ 3190.735801][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3190.735801][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3190.735801][ T72] ipv6_find_idev+0x102/0x170 [ 3190.735801][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3190.735801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.735801][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.735801][ T72] netlink_unicast+0x449/0x710 [ 3190.735801][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.735801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.735801][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.735801][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.735801][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.735801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.735801][ T72] [ 3190.737316][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3190.737316][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3190.737316][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3190.737316][ T72] ipv6_find_idev+0x102/0x170 [ 3190.737316][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3190.737316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.737316][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.737316][ T72] netlink_unicast+0x449/0x710 [ 3190.737316][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.737316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.737316][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.737316][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.737316][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.737316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.737316][ T72] [ 3190.739027][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3190.739363][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3190.739363][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3190.739363][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3190.739363][ T72] fib6_nh_init+0xa22/0x1580 [ 3190.739363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.739363][ T72] ip6_route_add+0x1c/0x140 [ 3190.739363][ T72] inet6_rtm_newroute+0x104/0x110 [ 3190.739363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.739363][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.739363][ T72] netlink_unicast+0x449/0x710 [ 3190.739363][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.739363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.739363][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.739363][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.739363][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.739363][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.739363][ T72] [ 3190.741465][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3190.741465][ T72] dst_init+0x84/0x4a0 [ 3190.741465][ T72] dst_alloc+0x97/0x150 [ 3190.741465][ T72] ip6_dst_alloc+0x23/0x90 [ 3190.741465][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3190.741465][ T72] ip6_pol_route+0x56f/0x840 [ 3190.741465][ T72] fib6_rule_lookup+0x456/0x630 [ 3190.741465][ T72] ip6_route_input+0x59c/0xa50 [ 3190.741465][ T72] ipv6_rcv+0x397/0x810 [ 3190.741465][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3190.741465][ T72] process_backlog+0x101/0x620 [ 3190.741465][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3190.741465][ T72] net_rx_action+0x495/0xbe0 [ 3190.741465][ T72] __do_softirq+0x1b5/0x7f6 [ 3190.741465][ T72] [ 3190.743356][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3190.743356][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.743356][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.743356][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.743356][ T72] ip6_route_add+0x1c/0x140 [ 3190.743356][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3190.743356][ T72] inet6_addr_add+0x4f8/0xa40 [ 3190.743356][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.743356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.743356][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.743356][ T72] netlink_unicast+0x449/0x710 [ 3190.743356][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.743356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.743356][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.743356][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.743356][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.743356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.743356][ T72] [ 3190.745514][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3190.745514][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.745514][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.745514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.745514][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3190.745514][ T72] ipv6_add_addr+0x411/0x2000 [ 3190.745514][ T72] inet6_addr_add+0x30e/0xa40 [ 3190.745514][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.745514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.745514][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.745514][ T72] netlink_unicast+0x449/0x710 [ 3190.745514][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.745514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.745514][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.745514][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.745514][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.745514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.745514][ T72] [ 3190.747674][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3190.747674][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.747674][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.747674][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.747674][ T72] ip6_route_add+0x1c/0x140 [ 3190.747674][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3190.747674][ T72] addrconf_add_dev+0xe2/0x170 [ 3190.747674][ T72] inet6_addr_add+0x12f/0xa40 [ 3190.747674][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.747674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.747674][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.747674][ T72] netlink_unicast+0x449/0x710 [ 3190.747674][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.747674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.747674][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.747674][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.747674][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.747674][ T72] [ 3190.749932][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3190.749932][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3190.749932][ T72] ipv6_find_idev+0x102/0x170 [ 3190.749932][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3190.749932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.749932][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.749932][ T72] netlink_unicast+0x449/0x710 [ 3190.749932][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.749932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.749932][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.749932][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.749932][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.749932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.749932][ T72] [ 3190.751589][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3190.751589][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3190.751589][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3190.751589][ T72] ipv6_find_idev+0x102/0x170 [ 3190.751589][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3190.751589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.751589][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.751589][ T72] netlink_unicast+0x449/0x710 [ 3190.751589][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.751589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.751589][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.751589][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.751589][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.751589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.751589][ T72] [ 3190.753465][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3190.753798][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3190.753798][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.753798][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.753798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.753798][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3190.753798][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3190.753798][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3190.753798][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3190.753798][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3190.753798][ T72] addrconf_dad_begin+0x310/0x670 [ 3190.753798][ T72] addrconf_dad_work+0x10b/0xab0 [ 3190.753798][ T72] process_one_work+0x84d/0x18a0 [ 3190.753798][ T72] worker_thread+0x587/0xd30 [ 3190.753798][ T72] kthread+0x28a/0x350 [ 3190.753798][ T72] ret_from_fork+0x31/0x70 [ 3190.753798][ T72] ret_from_fork_asm+0x1a/0x30 [ 3190.753798][ T72] [ 3190.756386][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3190.756386][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.756386][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.756386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.756386][ T72] ip6_route_add+0x1c/0x140 [ 3190.756386][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3190.756386][ T72] inet6_addr_add+0x4f8/0xa40 [ 3190.756386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.756386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.756386][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.756386][ T72] netlink_unicast+0x449/0x710 [ 3190.756386][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.756386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.756386][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.756386][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.756386][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.756386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.756386][ T72] [ 3190.758587][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3190.758587][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.758587][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.758587][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.758587][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3190.758587][ T72] ipv6_add_addr+0x411/0x2000 [ 3190.758587][ T72] inet6_addr_add+0x30e/0xa40 [ 3190.758587][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.758587][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.758587][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.758587][ T72] netlink_unicast+0x449/0x710 [ 3190.758587][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.758587][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.758587][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.758587][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.758587][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.758587][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.758587][ T72] [ 3190.760871][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3190.760871][ T72] netdev_get_by_index+0x5e/0x80 [ 3190.760871][ T72] fib6_nh_init+0x3d8/0x1580 [ 3190.760871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3190.760871][ T72] ip6_route_add+0x1c/0x140 [ 3190.760871][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3190.760871][ T72] addrconf_add_dev+0xe2/0x170 [ 3190.760871][ T72] inet6_addr_add+0x12f/0xa40 [ 3190.760871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3190.760871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.760871][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.760871][ T72] netlink_unicast+0x449/0x710 [ 3190.760871][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.760871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.760871][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.760871][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.760871][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.760871][ T72] [ 3190.763093][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3190.763093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3190.763093][ T72] ipv6_find_idev+0x102/0x170 [ 3190.763093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3190.763093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.763093][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.763093][ T72] netlink_unicast+0x449/0x710 [ 3190.763093][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.763093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.763093][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.763093][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.763093][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.763093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.763093][ T72] [ 3190.764807][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3190.764807][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3190.764807][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3190.764807][ T72] ipv6_find_idev+0x102/0x170 [ 3190.764807][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3190.764807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3190.764807][ T72] netlink_rcv_skb+0x130/0x360 [ 3190.764807][ T72] netlink_unicast+0x449/0x710 [ 3190.764807][ T72] netlink_sendmsg+0x723/0xbe0 [ 3190.764807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3190.764807][ T72] ___sys_sendmsg+0xee/0x170 [ 3190.764807][ T72] __sys_sendmsg+0xcd/0x170 [ 3190.764807][ T72] do_syscall_64+0xc6/0x1e0 [ 3190.764807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3190.764807][ T72] [ 3200.912984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3200.913600][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3200.913600][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3200.913600][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3200.913600][ T72] fib6_nh_init+0xa22/0x1580 [ 3200.913600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.913600][ T72] ip6_route_add+0x1c/0x140 [ 3200.913600][ T72] inet6_rtm_newroute+0x104/0x110 [ 3200.913600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.913600][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.913600][ T72] netlink_unicast+0x449/0x710 [ 3200.913600][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.913600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.913600][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.913600][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.913600][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.913600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.913600][ T72] [ 3200.915446][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3200.915446][ T72] dst_init+0x84/0x4a0 [ 3200.915446][ T72] dst_alloc+0x97/0x150 [ 3200.915446][ T72] ip6_dst_alloc+0x23/0x90 [ 3200.915446][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3200.915446][ T72] ip6_pol_route+0x56f/0x840 [ 3200.915446][ T72] fib6_rule_lookup+0x456/0x630 [ 3200.915446][ T72] ip6_route_input+0x59c/0xa50 [ 3200.915446][ T72] ipv6_rcv+0x397/0x810 [ 3200.915446][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3200.915446][ T72] process_backlog+0x101/0x620 [ 3200.915446][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3200.915446][ T72] net_rx_action+0x495/0xbe0 [ 3200.915446][ T72] __do_softirq+0x1b5/0x7f6 [ 3200.915446][ T72] [ 3200.917032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3200.917032][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.917032][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.917032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.917032][ T72] ip6_route_add+0x1c/0x140 [ 3200.917032][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3200.917032][ T72] inet6_addr_add+0x4f8/0xa40 [ 3200.917032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.917032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.917032][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.917032][ T72] netlink_unicast+0x449/0x710 [ 3200.917032][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.917032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.917032][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.917032][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.917032][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.917032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.917032][ T72] [ 3200.918975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3200.918975][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.918975][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.918975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.918975][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3200.918975][ T72] ipv6_add_addr+0x411/0x2000 [ 3200.918975][ T72] inet6_addr_add+0x30e/0xa40 [ 3200.918975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.918975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.918975][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.918975][ T72] netlink_unicast+0x449/0x710 [ 3200.918975][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.918975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.918975][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.918975][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.918975][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.918975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.918975][ T72] [ 3200.920947][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3200.920947][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.920947][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.920947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.920947][ T72] ip6_route_add+0x1c/0x140 [ 3200.920947][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3200.920947][ T72] addrconf_add_dev+0xe2/0x170 [ 3200.920947][ T72] inet6_addr_add+0x12f/0xa40 [ 3200.920947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.920947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.920947][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.920947][ T72] netlink_unicast+0x449/0x710 [ 3200.920947][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.920947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.920947][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.920947][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.920947][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.920947][ T72] [ 3200.922888][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3200.922888][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3200.922888][ T72] ipv6_find_idev+0x102/0x170 [ 3200.922888][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.922888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.922888][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.922888][ T72] netlink_unicast+0x449/0x710 [ 3200.922888][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.922888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.922888][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.922888][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.922888][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.922888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.922888][ T72] [ 3200.924437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3200.924437][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3200.924437][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3200.924437][ T72] ipv6_find_idev+0x102/0x170 [ 3200.924437][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.924437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.924437][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.924437][ T72] netlink_unicast+0x449/0x710 [ 3200.924437][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.924437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.924437][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.924437][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.924437][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.924437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.924437][ T72] [ 3200.926096][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3200.926366][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3200.926366][ T72] dst_init+0x84/0x4a0 [ 3200.926366][ T72] dst_alloc+0x97/0x150 [ 3200.926366][ T72] ip6_dst_alloc+0x23/0x90 [ 3200.926366][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3200.926366][ T72] ip6_pol_route+0x56f/0x840 [ 3200.926366][ T72] fib6_rule_lookup+0x456/0x630 [ 3200.926366][ T72] ip6_route_input+0x59c/0xa50 [ 3200.926366][ T72] ipv6_rcv+0x397/0x810 [ 3200.926366][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3200.926366][ T72] process_backlog+0x101/0x620 [ 3200.926366][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3200.926366][ T72] net_rx_action+0x495/0xbe0 [ 3200.926366][ T72] __do_softirq+0x1b5/0x7f6 [ 3200.926366][ T72] [ 3200.927997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3200.927997][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.927997][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.927997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.927997][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3200.927997][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3200.927997][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3200.927997][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3200.927997][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3200.927997][ T72] addrconf_dad_begin+0x310/0x670 [ 3200.927997][ T72] addrconf_dad_work+0x10b/0xab0 [ 3200.927997][ T72] process_one_work+0x84d/0x18a0 [ 3200.927997][ T72] worker_thread+0x587/0xd30 [ 3200.927997][ T72] kthread+0x28a/0x350 [ 3200.927997][ T72] ret_from_fork+0x31/0x70 [ 3200.927997][ T72] ret_from_fork_asm+0x1a/0x30 [ 3200.927997][ T72] [ 3200.929903][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3200.929903][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.929903][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.929903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.929903][ T72] ip6_route_add+0x1c/0x140 [ 3200.929903][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3200.929903][ T72] inet6_addr_add+0x4f8/0xa40 [ 3200.929903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.929903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.929903][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.929903][ T72] netlink_unicast+0x449/0x710 [ 3200.929903][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.929903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.929903][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.929903][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.929903][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.929903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.929903][ T72] [ 3200.931931][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3200.931931][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.931931][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.931931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.931931][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3200.931931][ T72] ipv6_add_addr+0x411/0x2000 [ 3200.931931][ T72] inet6_addr_add+0x30e/0xa40 [ 3200.931931][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.931931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.931931][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.931931][ T72] netlink_unicast+0x449/0x710 [ 3200.931931][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.931931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.931931][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.931931][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.931931][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.931931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.931931][ T72] [ 3200.933912][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3200.933912][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.933912][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.933912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.933912][ T72] ip6_route_add+0x1c/0x140 [ 3200.933912][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3200.933912][ T72] addrconf_add_dev+0xe2/0x170 [ 3200.933912][ T72] inet6_addr_add+0x12f/0xa40 [ 3200.933912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.933912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.933912][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.933912][ T72] netlink_unicast+0x449/0x710 [ 3200.933912][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.933912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.933912][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.933912][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.933912][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.933912][ T72] [ 3200.935877][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3200.935877][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3200.935877][ T72] ipv6_find_idev+0x102/0x170 [ 3200.935877][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.935877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.935877][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.935877][ T72] netlink_unicast+0x449/0x710 [ 3200.935877][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.935877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.935877][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.935877][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.935877][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.935877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.935877][ T72] [ 3200.937404][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3200.937404][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3200.937404][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3200.937404][ T72] ipv6_find_idev+0x102/0x170 [ 3200.937404][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.937404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.937404][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.937404][ T72] netlink_unicast+0x449/0x710 [ 3200.937404][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.937404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.937404][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.937404][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.937404][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.937404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.937404][ T72] [ 3200.939173][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3200.939455][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3200.939455][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3200.939455][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3200.939455][ T72] fib6_nh_init+0xa22/0x1580 [ 3200.939455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.939455][ T72] ip6_route_add+0x1c/0x140 [ 3200.939455][ T72] inet6_rtm_newroute+0x104/0x110 [ 3200.939455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.939455][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.939455][ T72] netlink_unicast+0x449/0x710 [ 3200.939455][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.939455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.939455][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.939455][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.939455][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.939455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.939455][ T72] [ 3200.941602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3200.941602][ T72] dst_init+0x84/0x4a0 [ 3200.941602][ T72] dst_alloc+0x97/0x150 [ 3200.941602][ T72] ip6_dst_alloc+0x23/0x90 [ 3200.941602][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3200.941602][ T72] ip6_pol_route+0x56f/0x840 [ 3200.941602][ T72] fib6_rule_lookup+0x456/0x630 [ 3200.941602][ T72] ip6_route_input+0x59c/0xa50 [ 3200.941602][ T72] ipv6_rcv+0x397/0x810 [ 3200.941602][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3200.941602][ T72] process_backlog+0x101/0x620 [ 3200.941602][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3200.941602][ T72] net_rx_action+0x495/0xbe0 [ 3200.941602][ T72] __do_softirq+0x1b5/0x7f6 [ 3200.941602][ T72] [ 3200.943407][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3200.943407][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.943407][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.943407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.943407][ T72] ip6_route_add+0x1c/0x140 [ 3200.943407][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3200.943407][ T72] inet6_addr_add+0x4f8/0xa40 [ 3200.943407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.943407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.943407][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.943407][ T72] netlink_unicast+0x449/0x710 [ 3200.943407][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.943407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.943407][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.943407][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.943407][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.943407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.943407][ T72] [ 3200.945585][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3200.945585][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.945585][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.945585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.945585][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3200.945585][ T72] ipv6_add_addr+0x411/0x2000 [ 3200.945585][ T72] inet6_addr_add+0x30e/0xa40 [ 3200.945585][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.945585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.945585][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.945585][ T72] netlink_unicast+0x449/0x710 [ 3200.945585][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.945585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.945585][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.945585][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.945585][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.945585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.945585][ T72] [ 3200.947758][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3200.947758][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.947758][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.947758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.947758][ T72] ip6_route_add+0x1c/0x140 [ 3200.947758][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3200.947758][ T72] addrconf_add_dev+0xe2/0x170 [ 3200.947758][ T72] inet6_addr_add+0x12f/0xa40 [ 3200.947758][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.947758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.947758][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.947758][ T72] netlink_unicast+0x449/0x710 [ 3200.947758][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.947758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.947758][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.947758][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.947758][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.947758][ T72] [ 3200.949996][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3200.949996][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3200.949996][ T72] ipv6_find_idev+0x102/0x170 [ 3200.949996][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.949996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.949996][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.949996][ T72] netlink_unicast+0x449/0x710 [ 3200.949996][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.949996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.949996][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.949996][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.949996][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.949996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.949996][ T72] [ 3200.951697][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3200.951697][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3200.951697][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3200.951697][ T72] ipv6_find_idev+0x102/0x170 [ 3200.951697][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.951697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.951697][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.951697][ T72] netlink_unicast+0x449/0x710 [ 3200.951697][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.951697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.951697][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.951697][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.951697][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.951697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.951697][ T72] [ 3200.954100][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3200.954813][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3200.954813][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.954813][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.954813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.954813][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3200.954813][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3200.954813][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3200.954813][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3200.954813][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3200.954813][ T72] addrconf_dad_begin+0x310/0x670 [ 3200.954813][ T72] addrconf_dad_work+0x10b/0xab0 [ 3200.954813][ T72] process_one_work+0x84d/0x18a0 [ 3200.954813][ T72] worker_thread+0x587/0xd30 [ 3200.954813][ T72] kthread+0x28a/0x350 [ 3200.954813][ T72] ret_from_fork+0x31/0x70 [ 3200.954813][ T72] ret_from_fork_asm+0x1a/0x30 [ 3200.954813][ T72] [ 3200.956874][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3200.956874][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.956874][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.956874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.956874][ T72] ip6_route_add+0x1c/0x140 [ 3200.956874][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3200.956874][ T72] inet6_addr_add+0x4f8/0xa40 [ 3200.956874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.956874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.956874][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.956874][ T72] netlink_unicast+0x449/0x710 [ 3200.956874][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.956874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.956874][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.956874][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.956874][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.956874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.956874][ T72] [ 3200.959091][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3200.959091][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.959091][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.959091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.959091][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3200.959091][ T72] ipv6_add_addr+0x411/0x2000 [ 3200.959091][ T72] inet6_addr_add+0x30e/0xa40 [ 3200.959091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.959091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.959091][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.959091][ T72] netlink_unicast+0x449/0x710 [ 3200.959091][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.959091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.959091][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.959091][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.959091][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.959091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.959091][ T72] [ 3200.961392][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3200.961392][ T72] netdev_get_by_index+0x5e/0x80 [ 3200.961392][ T72] fib6_nh_init+0x3d8/0x1580 [ 3200.961392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3200.961392][ T72] ip6_route_add+0x1c/0x140 [ 3200.961392][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3200.961392][ T72] addrconf_add_dev+0xe2/0x170 [ 3200.961392][ T72] inet6_addr_add+0x12f/0xa40 [ 3200.961392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3200.961392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.961392][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.961392][ T72] netlink_unicast+0x449/0x710 [ 3200.961392][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.961392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.961392][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.961392][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.961392][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.961392][ T72] [ 3200.963592][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3200.963592][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3200.963592][ T72] ipv6_find_idev+0x102/0x170 [ 3200.963592][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.963592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.963592][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.963592][ T72] netlink_unicast+0x449/0x710 [ 3200.963592][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.963592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.963592][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.963592][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.963592][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.963592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.963592][ T72] [ 3200.965332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3200.965332][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3200.965332][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3200.965332][ T72] ipv6_find_idev+0x102/0x170 [ 3200.965332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3200.965332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3200.965332][ T72] netlink_rcv_skb+0x130/0x360 [ 3200.965332][ T72] netlink_unicast+0x449/0x710 [ 3200.965332][ T72] netlink_sendmsg+0x723/0xbe0 [ 3200.965332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3200.965332][ T72] ___sys_sendmsg+0xee/0x170 [ 3200.965332][ T72] __sys_sendmsg+0xcd/0x170 [ 3200.965332][ T72] do_syscall_64+0xc6/0x1e0 [ 3200.965332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3200.965332][ T72] [ 3211.169053][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3211.169591][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3211.169591][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3211.169591][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3211.169591][ T72] fib6_nh_init+0xa22/0x1580 [ 3211.169591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.169591][ T72] ip6_route_add+0x1c/0x140 [ 3211.169591][ T72] inet6_rtm_newroute+0x104/0x110 [ 3211.169591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.169591][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.169591][ T72] netlink_unicast+0x449/0x710 [ 3211.169591][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.169591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.169591][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.169591][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.169591][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.169591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.169591][ T72] [ 3211.171503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3211.171503][ T72] dst_init+0x84/0x4a0 [ 3211.171503][ T72] dst_alloc+0x97/0x150 [ 3211.171503][ T72] ip6_dst_alloc+0x23/0x90 [ 3211.171503][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3211.171503][ T72] ip6_pol_route+0x56f/0x840 [ 3211.171503][ T72] fib6_rule_lookup+0x456/0x630 [ 3211.171503][ T72] ip6_route_input+0x59c/0xa50 [ 3211.171503][ T72] ipv6_rcv+0x397/0x810 [ 3211.171503][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3211.171503][ T72] process_backlog+0x101/0x620 [ 3211.171503][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3211.171503][ T72] net_rx_action+0x495/0xbe0 [ 3211.171503][ T72] __do_softirq+0x1b5/0x7f6 [ 3211.171503][ T72] [ 3211.173171][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3211.173171][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.173171][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.173171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.173171][ T72] ip6_route_add+0x1c/0x140 [ 3211.173171][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3211.173171][ T72] inet6_addr_add+0x4f8/0xa40 [ 3211.173171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.173171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.173171][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.173171][ T72] netlink_unicast+0x449/0x710 [ 3211.173171][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.173171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.173171][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.173171][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.173171][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.173171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.173171][ T72] [ 3211.175157][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3211.175157][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.175157][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.175157][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.175157][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3211.175157][ T72] ipv6_add_addr+0x411/0x2000 [ 3211.175157][ T72] inet6_addr_add+0x30e/0xa40 [ 3211.175157][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.175157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.175157][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.175157][ T72] netlink_unicast+0x449/0x710 [ 3211.175157][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.175157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.175157][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.175157][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.175157][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.175157][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.175157][ T72] [ 3211.177190][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3211.177190][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.177190][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.177190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.177190][ T72] ip6_route_add+0x1c/0x140 [ 3211.177190][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3211.177190][ T72] addrconf_add_dev+0xe2/0x170 [ 3211.177190][ T72] inet6_addr_add+0x12f/0xa40 [ 3211.177190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.177190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.177190][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.177190][ T72] netlink_unicast+0x449/0x710 [ 3211.177190][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.177190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.177190][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.177190][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.177190][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.177190][ T72] [ 3211.179116][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3211.179116][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3211.179116][ T72] ipv6_find_idev+0x102/0x170 [ 3211.179116][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.179116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.179116][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.179116][ T72] netlink_unicast+0x449/0x710 [ 3211.179116][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.179116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.179116][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.179116][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.179116][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.179116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.179116][ T72] [ 3211.180630][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3211.180630][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3211.180630][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3211.180630][ T72] ipv6_find_idev+0x102/0x170 [ 3211.180630][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.180630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.180630][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.180630][ T72] netlink_unicast+0x449/0x710 [ 3211.180630][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.180630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.180630][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.180630][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.180630][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.180630][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.180630][ T72] [ 3211.182363][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3211.182634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3211.182634][ T72] dst_init+0x84/0x4a0 [ 3211.182634][ T72] dst_alloc+0x97/0x150 [ 3211.182634][ T72] ip6_dst_alloc+0x23/0x90 [ 3211.182634][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3211.182634][ T72] ip6_pol_route+0x56f/0x840 [ 3211.182634][ T72] fib6_rule_lookup+0x456/0x630 [ 3211.182634][ T72] ip6_route_input+0x59c/0xa50 [ 3211.182634][ T72] ipv6_rcv+0x397/0x810 [ 3211.182634][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3211.182634][ T72] process_backlog+0x101/0x620 [ 3211.182634][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3211.182634][ T72] net_rx_action+0x495/0xbe0 [ 3211.182634][ T72] __do_softirq+0x1b5/0x7f6 [ 3211.182634][ T72] [ 3211.184276][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3211.184276][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.184276][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.184276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.184276][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3211.184276][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3211.184276][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3211.184276][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3211.184276][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3211.184276][ T72] addrconf_dad_begin+0x310/0x670 [ 3211.184276][ T72] addrconf_dad_work+0x10b/0xab0 [ 3211.184276][ T72] process_one_work+0x84d/0x18a0 [ 3211.184276][ T72] worker_thread+0x587/0xd30 [ 3211.184276][ T72] kthread+0x28a/0x350 [ 3211.184276][ T72] ret_from_fork+0x31/0x70 [ 3211.184276][ T72] ret_from_fork_asm+0x1a/0x30 [ 3211.184276][ T72] [ 3211.186164][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3211.186164][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.186164][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.186164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.186164][ T72] ip6_route_add+0x1c/0x140 [ 3211.186164][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3211.186164][ T72] inet6_addr_add+0x4f8/0xa40 [ 3211.186164][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.186164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.186164][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.186164][ T72] netlink_unicast+0x449/0x710 [ 3211.186164][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.186164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.186164][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.186164][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.186164][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.186164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.186164][ T72] [ 3211.188156][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3211.188156][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.188156][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.188156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.188156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3211.188156][ T72] ipv6_add_addr+0x411/0x2000 [ 3211.188156][ T72] inet6_addr_add+0x30e/0xa40 [ 3211.188156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.188156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.188156][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.188156][ T72] netlink_unicast+0x449/0x710 [ 3211.188156][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.188156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.188156][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.188156][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.188156][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.188156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.188156][ T72] [ 3211.190139][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3211.190139][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.190139][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.190139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.190139][ T72] ip6_route_add+0x1c/0x140 [ 3211.190139][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3211.190139][ T72] addrconf_add_dev+0xe2/0x170 [ 3211.190139][ T72] inet6_addr_add+0x12f/0xa40 [ 3211.190139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.190139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.190139][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.190139][ T72] netlink_unicast+0x449/0x710 [ 3211.190139][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.190139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.190139][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.190139][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.190139][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.190139][ T72] [ 3211.192078][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3211.192078][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3211.192078][ T72] ipv6_find_idev+0x102/0x170 [ 3211.192078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.192078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.192078][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.192078][ T72] netlink_unicast+0x449/0x710 [ 3211.192078][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.192078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.192078][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.192078][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.192078][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.192078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.192078][ T72] [ 3211.193620][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3211.193620][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3211.193620][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3211.193620][ T72] ipv6_find_idev+0x102/0x170 [ 3211.193620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.193620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.193620][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.193620][ T72] netlink_unicast+0x449/0x710 [ 3211.193620][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.193620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.193620][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.193620][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.193620][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.193620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.193620][ T72] [ 3211.195403][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3211.195675][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3211.195675][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3211.195675][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3211.195675][ T72] fib6_nh_init+0xa22/0x1580 [ 3211.195675][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.195675][ T72] ip6_route_add+0x1c/0x140 [ 3211.195675][ T72] inet6_rtm_newroute+0x104/0x110 [ 3211.195675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.195675][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.195675][ T72] netlink_unicast+0x449/0x710 [ 3211.195675][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.195675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.195675][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.195675][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.195675][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.195675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.195675][ T72] [ 3211.197852][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3211.197852][ T72] dst_init+0x84/0x4a0 [ 3211.197852][ T72] dst_alloc+0x97/0x150 [ 3211.197852][ T72] ip6_dst_alloc+0x23/0x90 [ 3211.197852][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3211.197852][ T72] ip6_pol_route+0x56f/0x840 [ 3211.197852][ T72] fib6_rule_lookup+0x456/0x630 [ 3211.197852][ T72] ip6_route_input+0x59c/0xa50 [ 3211.197852][ T72] ipv6_rcv+0x397/0x810 [ 3211.197852][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3211.197852][ T72] process_backlog+0x101/0x620 [ 3211.197852][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3211.197852][ T72] net_rx_action+0x495/0xbe0 [ 3211.197852][ T72] __do_softirq+0x1b5/0x7f6 [ 3211.197852][ T72] [ 3211.199662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3211.199662][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.199662][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.199662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.199662][ T72] ip6_route_add+0x1c/0x140 [ 3211.199662][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3211.199662][ T72] inet6_addr_add+0x4f8/0xa40 [ 3211.199662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.199662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.199662][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.199662][ T72] netlink_unicast+0x449/0x710 [ 3211.199662][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.199662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.199662][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.199662][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.199662][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.199662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.199662][ T72] [ 3211.201834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3211.201834][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.201834][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.201834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.201834][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3211.201834][ T72] ipv6_add_addr+0x411/0x2000 [ 3211.201834][ T72] inet6_addr_add+0x30e/0xa40 [ 3211.201834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.201834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.201834][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.201834][ T72] netlink_unicast+0x449/0x710 [ 3211.201834][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.201834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.201834][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.201834][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.201834][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.201834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.201834][ T72] [ 3211.204070][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3211.204070][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.204070][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.204070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.204070][ T72] ip6_route_add+0x1c/0x140 [ 3211.204070][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3211.204070][ T72] addrconf_add_dev+0xe2/0x170 [ 3211.204070][ T72] inet6_addr_add+0x12f/0xa40 [ 3211.204070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.204070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.204070][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.204070][ T72] netlink_unicast+0x449/0x710 [ 3211.204070][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.204070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.204070][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.204070][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.204070][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.204070][ T72] [ 3211.206400][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3211.206400][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3211.206400][ T72] ipv6_find_idev+0x102/0x170 [ 3211.206400][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.206400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.206400][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.206400][ T72] netlink_unicast+0x449/0x710 [ 3211.206400][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.206400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.206400][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.206400][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.206400][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.206400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.206400][ T72] [ 3211.208247][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3211.208247][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3211.208247][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3211.208247][ T72] ipv6_find_idev+0x102/0x170 [ 3211.208247][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.208247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.208247][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.208247][ T72] netlink_unicast+0x449/0x710 [ 3211.208247][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.208247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.208247][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.208247][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.208247][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.208247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.208247][ T72] [ 3211.210110][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3211.210457][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3211.210457][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.210457][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.210457][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.210457][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3211.210457][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3211.210457][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3211.210457][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3211.210457][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3211.210457][ T72] addrconf_dad_begin+0x310/0x670 [ 3211.210457][ T72] addrconf_dad_work+0x10b/0xab0 [ 3211.210457][ T72] process_one_work+0x84d/0x18a0 [ 3211.210457][ T72] worker_thread+0x587/0xd30 [ 3211.210457][ T72] kthread+0x28a/0x350 [ 3211.210457][ T72] ret_from_fork+0x31/0x70 [ 3211.210457][ T72] ret_from_fork_asm+0x1a/0x30 [ 3211.210457][ T72] [ 3211.212473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3211.212473][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.212473][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.212473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.212473][ T72] ip6_route_add+0x1c/0x140 [ 3211.212473][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3211.212473][ T72] inet6_addr_add+0x4f8/0xa40 [ 3211.212473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.212473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.212473][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.212473][ T72] netlink_unicast+0x449/0x710 [ 3211.212473][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.212473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.212473][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.212473][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.212473][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.212473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.212473][ T72] [ 3211.214697][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3211.214697][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.214697][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.214697][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.214697][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3211.214697][ T72] ipv6_add_addr+0x411/0x2000 [ 3211.214697][ T72] inet6_addr_add+0x30e/0xa40 [ 3211.214697][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.214697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.214697][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.214697][ T72] netlink_unicast+0x449/0x710 [ 3211.214697][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.214697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.214697][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.214697][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.214697][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.214697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.214697][ T72] [ 3211.216979][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3211.216979][ T72] netdev_get_by_index+0x5e/0x80 [ 3211.216979][ T72] fib6_nh_init+0x3d8/0x1580 [ 3211.216979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3211.216979][ T72] ip6_route_add+0x1c/0x140 [ 3211.216979][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3211.216979][ T72] addrconf_add_dev+0xe2/0x170 [ 3211.216979][ T72] inet6_addr_add+0x12f/0xa40 [ 3211.216979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.216979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.216979][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.216979][ T72] netlink_unicast+0x449/0x710 [ 3211.216979][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.216979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.216979][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.216979][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.216979][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.216979][ T72] [ 3211.219164][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3211.219164][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3211.219164][ T72] ipv6_find_idev+0x102/0x170 [ 3211.219164][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.219164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.219164][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.219164][ T72] netlink_unicast+0x449/0x710 [ 3211.219164][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.219164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.219164][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.219164][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.219164][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.219164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.219164][ T72] [ 3211.220870][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3211.220870][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3211.220870][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3211.220870][ T72] ipv6_find_idev+0x102/0x170 [ 3211.220870][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.220870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.220870][ T72] netlink_rcv_skb+0x130/0x360 [ 3211.220870][ T72] netlink_unicast+0x449/0x710 [ 3211.220870][ T72] netlink_sendmsg+0x723/0xbe0 [ 3211.220870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3211.220870][ T72] ___sys_sendmsg+0xee/0x170 [ 3211.220870][ T72] __sys_sendmsg+0xcd/0x170 [ 3211.220870][ T72] do_syscall_64+0xc6/0x1e0 [ 3211.220870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.220870][ T72] [ 3221.424978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3221.425606][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3221.425606][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3221.425606][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3221.425606][ T72] fib6_nh_init+0xa22/0x1580 [ 3221.425606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.425606][ T72] ip6_route_add+0x1c/0x140 [ 3221.425606][ T72] inet6_rtm_newroute+0x104/0x110 [ 3221.425606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.425606][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.425606][ T72] netlink_unicast+0x449/0x710 [ 3221.425606][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.425606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.425606][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.425606][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.425606][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.425606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.425606][ T72] [ 3221.427445][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3221.427445][ T72] dst_init+0x84/0x4a0 [ 3221.427445][ T72] dst_alloc+0x97/0x150 [ 3221.427445][ T72] ip6_dst_alloc+0x23/0x90 [ 3221.427445][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3221.427445][ T72] ip6_pol_route+0x56f/0x840 [ 3221.427445][ T72] fib6_rule_lookup+0x456/0x630 [ 3221.427445][ T72] ip6_route_input+0x59c/0xa50 [ 3221.427445][ T72] ipv6_rcv+0x397/0x810 [ 3221.427445][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3221.427445][ T72] process_backlog+0x101/0x620 [ 3221.427445][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3221.427445][ T72] net_rx_action+0x495/0xbe0 [ 3221.427445][ T72] __do_softirq+0x1b5/0x7f6 [ 3221.427445][ T72] [ 3221.429090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3221.429090][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.429090][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.429090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.429090][ T72] ip6_route_add+0x1c/0x140 [ 3221.429090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3221.429090][ T72] inet6_addr_add+0x4f8/0xa40 [ 3221.429090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.429090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.429090][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.429090][ T72] netlink_unicast+0x449/0x710 [ 3221.429090][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.429090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.429090][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.429090][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.429090][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.429090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.429090][ T72] [ 3221.431082][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3221.431082][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.431082][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.431082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.431082][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3221.431082][ T72] ipv6_add_addr+0x411/0x2000 [ 3221.431082][ T72] inet6_addr_add+0x30e/0xa40 [ 3221.431082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.431082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.431082][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.431082][ T72] netlink_unicast+0x449/0x710 [ 3221.431082][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.431082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.431082][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.431082][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.431082][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.431082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.431082][ T72] [ 3221.433078][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3221.433078][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.433078][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.433078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.433078][ T72] ip6_route_add+0x1c/0x140 [ 3221.433078][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3221.433078][ T72] addrconf_add_dev+0xe2/0x170 [ 3221.433078][ T72] inet6_addr_add+0x12f/0xa40 [ 3221.433078][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.433078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.433078][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.433078][ T72] netlink_unicast+0x449/0x710 [ 3221.433078][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.433078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.433078][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.433078][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.433078][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.433078][ T72] [ 3221.435048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3221.435048][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3221.435048][ T72] ipv6_find_idev+0x102/0x170 [ 3221.435048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.435048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.435048][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.435048][ T72] netlink_unicast+0x449/0x710 [ 3221.435048][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.435048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.435048][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.435048][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.435048][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.435048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.435048][ T72] [ 3221.436587][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3221.436587][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3221.436587][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3221.436587][ T72] ipv6_find_idev+0x102/0x170 [ 3221.436587][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.436587][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.436587][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.436587][ T72] netlink_unicast+0x449/0x710 [ 3221.436587][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.436587][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.436587][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.436587][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.436587][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.436587][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.436587][ T72] [ 3221.438281][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3221.438554][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3221.438554][ T72] dst_init+0x84/0x4a0 [ 3221.438554][ T72] dst_alloc+0x97/0x150 [ 3221.438554][ T72] ip6_dst_alloc+0x23/0x90 [ 3221.438554][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3221.438554][ T72] ip6_pol_route+0x56f/0x840 [ 3221.438554][ T72] fib6_rule_lookup+0x456/0x630 [ 3221.438554][ T72] ip6_route_input+0x59c/0xa50 [ 3221.438554][ T72] ipv6_rcv+0x397/0x810 [ 3221.438554][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3221.438554][ T72] process_backlog+0x101/0x620 [ 3221.438554][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3221.438554][ T72] net_rx_action+0x495/0xbe0 [ 3221.438554][ T72] __do_softirq+0x1b5/0x7f6 [ 3221.438554][ T72] [ 3221.440189][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3221.440189][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.440189][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.440189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.440189][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3221.440189][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3221.440189][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3221.440189][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3221.440189][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3221.440189][ T72] addrconf_dad_begin+0x310/0x670 [ 3221.440189][ T72] addrconf_dad_work+0x10b/0xab0 [ 3221.440189][ T72] process_one_work+0x84d/0x18a0 [ 3221.440189][ T72] worker_thread+0x587/0xd30 [ 3221.440189][ T72] kthread+0x28a/0x350 [ 3221.440189][ T72] ret_from_fork+0x31/0x70 [ 3221.440189][ T72] ret_from_fork_asm+0x1a/0x30 [ 3221.440189][ T72] [ 3221.442122][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3221.442122][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.442122][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.442122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.442122][ T72] ip6_route_add+0x1c/0x140 [ 3221.442122][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3221.442122][ T72] inet6_addr_add+0x4f8/0xa40 [ 3221.442122][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.442122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.442122][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.442122][ T72] netlink_unicast+0x449/0x710 [ 3221.442122][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.442122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.442122][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.442122][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.442122][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.442122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.442122][ T72] [ 3221.444115][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3221.444115][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.444115][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.444115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.444115][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3221.444115][ T72] ipv6_add_addr+0x411/0x2000 [ 3221.444115][ T72] inet6_addr_add+0x30e/0xa40 [ 3221.444115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.444115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.444115][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.444115][ T72] netlink_unicast+0x449/0x710 [ 3221.444115][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.444115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.444115][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.444115][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.444115][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.444115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.444115][ T72] [ 3221.446107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3221.446107][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.446107][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.446107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.446107][ T72] ip6_route_add+0x1c/0x140 [ 3221.446107][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3221.446107][ T72] addrconf_add_dev+0xe2/0x170 [ 3221.446107][ T72] inet6_addr_add+0x12f/0xa40 [ 3221.446107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.446107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.446107][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.446107][ T72] netlink_unicast+0x449/0x710 [ 3221.446107][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.446107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.446107][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.446107][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.446107][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.446107][ T72] [ 3221.448057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3221.448057][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3221.448057][ T72] ipv6_find_idev+0x102/0x170 [ 3221.448057][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.448057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.448057][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.448057][ T72] netlink_unicast+0x449/0x710 [ 3221.448057][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.448057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.448057][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.448057][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.448057][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.448057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.448057][ T72] [ 3221.449587][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3221.449587][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3221.449587][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3221.449587][ T72] ipv6_find_idev+0x102/0x170 [ 3221.449587][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.449587][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.449587][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.449587][ T72] netlink_unicast+0x449/0x710 [ 3221.449587][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.449587][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.449587][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.449587][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.449587][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.449587][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.449587][ T72] [ 3221.451393][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3221.451659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3221.451659][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3221.451659][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3221.451659][ T72] fib6_nh_init+0xa22/0x1580 [ 3221.451659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.451659][ T72] ip6_route_add+0x1c/0x140 [ 3221.451659][ T72] inet6_rtm_newroute+0x104/0x110 [ 3221.451659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.451659][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.451659][ T72] netlink_unicast+0x449/0x710 [ 3221.451659][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.451659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.451659][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.451659][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.451659][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.451659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.451659][ T72] [ 3221.453833][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3221.453833][ T72] dst_init+0x84/0x4a0 [ 3221.453833][ T72] dst_alloc+0x97/0x150 [ 3221.453833][ T72] ip6_dst_alloc+0x23/0x90 [ 3221.453833][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3221.453833][ T72] ip6_pol_route+0x56f/0x840 [ 3221.453833][ T72] fib6_rule_lookup+0x456/0x630 [ 3221.453833][ T72] ip6_route_input+0x59c/0xa50 [ 3221.453833][ T72] ipv6_rcv+0x397/0x810 [ 3221.453833][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3221.453833][ T72] process_backlog+0x101/0x620 [ 3221.453833][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3221.453833][ T72] net_rx_action+0x495/0xbe0 [ 3221.453833][ T72] __do_softirq+0x1b5/0x7f6 [ 3221.453833][ T72] [ 3221.455628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3221.455628][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.455628][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.455628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.455628][ T72] ip6_route_add+0x1c/0x140 [ 3221.455628][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3221.455628][ T72] inet6_addr_add+0x4f8/0xa40 [ 3221.455628][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.455628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.455628][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.455628][ T72] netlink_unicast+0x449/0x710 [ 3221.455628][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.455628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.455628][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.455628][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.455628][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.455628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.455628][ T72] [ 3221.457770][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3221.457770][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.457770][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.457770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.457770][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3221.457770][ T72] ipv6_add_addr+0x411/0x2000 [ 3221.457770][ T72] inet6_addr_add+0x30e/0xa40 [ 3221.457770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.457770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.457770][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.457770][ T72] netlink_unicast+0x449/0x710 [ 3221.457770][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.457770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.457770][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.457770][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.457770][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.457770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.457770][ T72] [ 3221.459990][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3221.459990][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.459990][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.459990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.459990][ T72] ip6_route_add+0x1c/0x140 [ 3221.459990][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3221.459990][ T72] addrconf_add_dev+0xe2/0x170 [ 3221.459990][ T72] inet6_addr_add+0x12f/0xa40 [ 3221.459990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.459990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.459990][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.459990][ T72] netlink_unicast+0x449/0x710 [ 3221.459990][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.459990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.459990][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.459990][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.459990][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.459990][ T72] [ 3221.462260][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3221.462260][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3221.462260][ T72] ipv6_find_idev+0x102/0x170 [ 3221.462260][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.462260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.462260][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.462260][ T72] netlink_unicast+0x449/0x710 [ 3221.462260][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.462260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.462260][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.462260][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.462260][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.462260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.462260][ T72] [ 3221.463979][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3221.463979][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3221.463979][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3221.463979][ T72] ipv6_find_idev+0x102/0x170 [ 3221.463979][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.463979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.463979][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.463979][ T72] netlink_unicast+0x449/0x710 [ 3221.463979][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.463979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.463979][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.463979][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.463979][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.463979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.463979][ T72] [ 3221.465955][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3221.466288][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3221.466288][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.466288][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.466288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.466288][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3221.466288][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3221.466288][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3221.466288][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3221.466288][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3221.466288][ T72] addrconf_dad_begin+0x310/0x670 [ 3221.466288][ T72] addrconf_dad_work+0x10b/0xab0 [ 3221.466288][ T72] process_one_work+0x84d/0x18a0 [ 3221.466288][ T72] worker_thread+0x587/0xd30 [ 3221.466288][ T72] kthread+0x28a/0x350 [ 3221.466288][ T72] ret_from_fork+0x31/0x70 [ 3221.466288][ T72] ret_from_fork_asm+0x1a/0x30 [ 3221.466288][ T72] [ 3221.468301][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3221.468301][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.468301][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.468301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.468301][ T72] ip6_route_add+0x1c/0x140 [ 3221.468301][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3221.468301][ T72] inet6_addr_add+0x4f8/0xa40 [ 3221.468301][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.468301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.468301][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.468301][ T72] netlink_unicast+0x449/0x710 [ 3221.468301][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.468301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.468301][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.468301][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.468301][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.468301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.468301][ T72] [ 3221.470529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3221.470529][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.470529][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.470529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.470529][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3221.470529][ T72] ipv6_add_addr+0x411/0x2000 [ 3221.470529][ T72] inet6_addr_add+0x30e/0xa40 [ 3221.470529][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.470529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.470529][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.470529][ T72] netlink_unicast+0x449/0x710 [ 3221.470529][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.470529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.470529][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.470529][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.470529][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.470529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.470529][ T72] [ 3221.473354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3221.473354][ T72] netdev_get_by_index+0x5e/0x80 [ 3221.473354][ T72] fib6_nh_init+0x3d8/0x1580 [ 3221.473354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3221.473354][ T72] ip6_route_add+0x1c/0x140 [ 3221.473354][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3221.473354][ T72] addrconf_add_dev+0xe2/0x170 [ 3221.473354][ T72] inet6_addr_add+0x12f/0xa40 [ 3221.473354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.473354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.473354][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.473354][ T72] netlink_unicast+0x449/0x710 [ 3221.473354][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.473354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.473354][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.473354][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.473354][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.473354][ T72] [ 3221.475544][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3221.475544][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3221.475544][ T72] ipv6_find_idev+0x102/0x170 [ 3221.475544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.475544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.475544][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.475544][ T72] netlink_unicast+0x449/0x710 [ 3221.475544][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.475544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.475544][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.475544][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.475544][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.475544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.475544][ T72] [ 3221.477255][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3221.477255][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3221.477255][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3221.477255][ T72] ipv6_find_idev+0x102/0x170 [ 3221.477255][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.477255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.477255][ T72] netlink_rcv_skb+0x130/0x360 [ 3221.477255][ T72] netlink_unicast+0x449/0x710 [ 3221.477255][ T72] netlink_sendmsg+0x723/0xbe0 [ 3221.477255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3221.477255][ T72] ___sys_sendmsg+0xee/0x170 [ 3221.477255][ T72] __sys_sendmsg+0xcd/0x170 [ 3221.477255][ T72] do_syscall_64+0xc6/0x1e0 [ 3221.477255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.477255][ T72] [ 3231.720985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3231.721585][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3231.721585][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3231.721585][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3231.721585][ T72] fib6_nh_init+0xa22/0x1580 [ 3231.721585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.721585][ T72] ip6_route_add+0x1c/0x140 [ 3231.721585][ T72] inet6_rtm_newroute+0x104/0x110 [ 3231.721585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.721585][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.721585][ T72] netlink_unicast+0x449/0x710 [ 3231.721585][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.721585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.721585][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.721585][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.721585][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.721585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.721585][ T72] [ 3231.723499][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3231.723499][ T72] dst_init+0x84/0x4a0 [ 3231.723499][ T72] dst_alloc+0x97/0x150 [ 3231.723499][ T72] ip6_dst_alloc+0x23/0x90 [ 3231.723499][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3231.723499][ T72] ip6_pol_route+0x56f/0x840 [ 3231.723499][ T72] fib6_rule_lookup+0x456/0x630 [ 3231.723499][ T72] ip6_route_input+0x59c/0xa50 [ 3231.723499][ T72] ipv6_rcv+0x397/0x810 [ 3231.723499][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3231.723499][ T72] process_backlog+0x101/0x620 [ 3231.723499][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3231.723499][ T72] net_rx_action+0x495/0xbe0 [ 3231.723499][ T72] __do_softirq+0x1b5/0x7f6 [ 3231.723499][ T72] [ 3231.725107][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3231.725107][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.725107][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.725107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.725107][ T72] ip6_route_add+0x1c/0x140 [ 3231.725107][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3231.725107][ T72] inet6_addr_add+0x4f8/0xa40 [ 3231.725107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.725107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.725107][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.725107][ T72] netlink_unicast+0x449/0x710 [ 3231.725107][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.725107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.725107][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.725107][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.725107][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.725107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.725107][ T72] [ 3231.727083][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3231.727083][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.727083][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.727083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.727083][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3231.727083][ T72] ipv6_add_addr+0x411/0x2000 [ 3231.727083][ T72] inet6_addr_add+0x30e/0xa40 [ 3231.727083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.727083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.727083][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.727083][ T72] netlink_unicast+0x449/0x710 [ 3231.727083][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.727083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.727083][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.727083][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.727083][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.727083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.727083][ T72] [ 3231.729067][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3231.729067][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.729067][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.729067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.729067][ T72] ip6_route_add+0x1c/0x140 [ 3231.729067][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3231.729067][ T72] addrconf_add_dev+0xe2/0x170 [ 3231.729067][ T72] inet6_addr_add+0x12f/0xa40 [ 3231.729067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.729067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.729067][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.729067][ T72] netlink_unicast+0x449/0x710 [ 3231.729067][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.729067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.729067][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.729067][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.729067][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.729067][ T72] [ 3231.730961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3231.730961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3231.730961][ T72] ipv6_find_idev+0x102/0x170 [ 3231.730961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3231.730961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.730961][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.730961][ T72] netlink_unicast+0x449/0x710 [ 3231.730961][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.730961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.730961][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.730961][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.730961][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.730961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.730961][ T72] [ 3231.732448][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3231.732448][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3231.732448][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3231.732448][ T72] ipv6_find_idev+0x102/0x170 [ 3231.732448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3231.732448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.732448][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.732448][ T72] netlink_unicast+0x449/0x710 [ 3231.732448][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.732448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.732448][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.732448][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.732448][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.732448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.732448][ T72] [ 3231.734143][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3231.734420][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3231.734420][ T72] dst_init+0x84/0x4a0 [ 3231.734420][ T72] dst_alloc+0x97/0x150 [ 3231.734420][ T72] ip6_dst_alloc+0x23/0x90 [ 3231.734420][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3231.734420][ T72] ip6_pol_route+0x56f/0x840 [ 3231.734420][ T72] fib6_rule_lookup+0x456/0x630 [ 3231.734420][ T72] ip6_route_input+0x59c/0xa50 [ 3231.734420][ T72] ipv6_rcv+0x397/0x810 [ 3231.734420][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3231.734420][ T72] process_backlog+0x101/0x620 [ 3231.734420][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3231.734420][ T72] net_rx_action+0x495/0xbe0 [ 3231.734420][ T72] __do_softirq+0x1b5/0x7f6 [ 3231.734420][ T72] [ 3231.736057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3231.736057][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.736057][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.736057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.736057][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3231.736057][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3231.736057][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3231.736057][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3231.736057][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3231.736057][ T72] addrconf_dad_begin+0x310/0x670 [ 3231.736057][ T72] addrconf_dad_work+0x10b/0xab0 [ 3231.736057][ T72] process_one_work+0x84d/0x18a0 [ 3231.736057][ T72] worker_thread+0x587/0xd30 [ 3231.736057][ T72] kthread+0x28a/0x350 [ 3231.736057][ T72] ret_from_fork+0x31/0x70 [ 3231.736057][ T72] ret_from_fork_asm+0x1a/0x30 [ 3231.736057][ T72] [ 3231.737957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3231.737957][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.737957][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.737957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.737957][ T72] ip6_route_add+0x1c/0x140 [ 3231.737957][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3231.737957][ T72] inet6_addr_add+0x4f8/0xa40 [ 3231.737957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.737957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.737957][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.737957][ T72] netlink_unicast+0x449/0x710 [ 3231.737957][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.737957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.737957][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.737957][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.737957][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.737957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.737957][ T72] [ 3231.739946][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3231.739946][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.739946][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.739946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.739946][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3231.739946][ T72] ipv6_add_addr+0x411/0x2000 [ 3231.739946][ T72] inet6_addr_add+0x30e/0xa40 [ 3231.739946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.739946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.739946][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.739946][ T72] netlink_unicast+0x449/0x710 [ 3231.739946][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.739946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.739946][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.739946][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.739946][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.739946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.739946][ T72] [ 3231.741932][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3231.741932][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.741932][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.741932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.741932][ T72] ip6_route_add+0x1c/0x140 [ 3231.741932][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3231.741932][ T72] addrconf_add_dev+0xe2/0x170 [ 3231.741932][ T72] inet6_addr_add+0x12f/0xa40 [ 3231.741932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.741932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.741932][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.741932][ T72] netlink_unicast+0x449/0x710 [ 3231.741932][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.741932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.741932][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.741932][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.741932][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.741932][ T72] [ 3231.743880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3231.743880][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3231.743880][ T72] ipv6_find_idev+0x102/0x170 [ 3231.743880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3231.743880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.743880][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.743880][ T72] netlink_unicast+0x449/0x710 [ 3231.743880][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.743880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.743880][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.743880][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.743880][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.743880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.743880][ T72] [ 3231.745429][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3231.745429][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3231.745429][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3231.745429][ T72] ipv6_find_idev+0x102/0x170 [ 3231.745429][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3231.745429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.745429][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.745429][ T72] netlink_unicast+0x449/0x710 [ 3231.745429][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.745429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.745429][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.745429][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.745429][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.745429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.745429][ T72] [ 3231.747236][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3231.747505][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3231.747505][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3231.747505][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3231.747505][ T72] fib6_nh_init+0xa22/0x1580 [ 3231.747505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.747505][ T72] ip6_route_add+0x1c/0x140 [ 3231.747505][ T72] inet6_rtm_newroute+0x104/0x110 [ 3231.747505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.747505][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.747505][ T72] netlink_unicast+0x449/0x710 [ 3231.747505][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.747505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.747505][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.747505][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.747505][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.747505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.747505][ T72] [ 3231.749668][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3231.749668][ T72] dst_init+0x84/0x4a0 [ 3231.749668][ T72] dst_alloc+0x97/0x150 [ 3231.749668][ T72] ip6_dst_alloc+0x23/0x90 [ 3231.749668][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3231.749668][ T72] ip6_pol_route+0x56f/0x840 [ 3231.749668][ T72] fib6_rule_lookup+0x456/0x630 [ 3231.749668][ T72] ip6_route_input+0x59c/0xa50 [ 3231.749668][ T72] ipv6_rcv+0x397/0x810 [ 3231.749668][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3231.749668][ T72] process_backlog+0x101/0x620 [ 3231.749668][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3231.749668][ T72] net_rx_action+0x495/0xbe0 [ 3231.749668][ T72] __do_softirq+0x1b5/0x7f6 [ 3231.749668][ T72] [ 3231.751475][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3231.751475][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.751475][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.751475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.751475][ T72] ip6_route_add+0x1c/0x140 [ 3231.751475][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3231.751475][ T72] inet6_addr_add+0x4f8/0xa40 [ 3231.751475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.751475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.751475][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.751475][ T72] netlink_unicast+0x449/0x710 [ 3231.751475][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.751475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.751475][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.751475][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.751475][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.751475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.751475][ T72] [ 3231.753652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3231.753652][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.753652][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.753652][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.753652][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3231.753652][ T72] ipv6_add_addr+0x411/0x2000 [ 3231.753652][ T72] inet6_addr_add+0x30e/0xa40 [ 3231.753652][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.753652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.753652][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.753652][ T72] netlink_unicast+0x449/0x710 [ 3231.753652][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.753652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.753652][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.753652][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.753652][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.753652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.753652][ T72] [ 3231.755892][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3231.755892][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.755892][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.755892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.755892][ T72] ip6_route_add+0x1c/0x140 [ 3231.755892][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3231.755892][ T72] addrconf_add_dev+0xe2/0x170 [ 3231.755892][ T72] inet6_addr_add+0x12f/0xa40 [ 3231.755892][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.755892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.755892][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.755892][ T72] netlink_unicast+0x449/0x710 [ 3231.755892][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.755892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.755892][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.755892][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.755892][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.755892][ T72] [ 3231.758140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3231.758140][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3231.758140][ T72] ipv6_find_idev+0x102/0x170 [ 3231.758140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3231.758140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.758140][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.758140][ T72] netlink_unicast+0x449/0x710 [ 3231.758140][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.758140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.758140][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.758140][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.758140][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.758140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.758140][ T72] [ 3231.759851][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3231.759851][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3231.759851][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3231.759851][ T72] ipv6_find_idev+0x102/0x170 [ 3231.759851][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3231.759851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.759851][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.759851][ T72] netlink_unicast+0x449/0x710 [ 3231.759851][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.759851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.759851][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.759851][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.759851][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.759851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.759851][ T72] [ 3231.761671][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3231.762443][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3231.762443][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.762443][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.762443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.762443][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3231.762443][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3231.762443][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3231.762443][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3231.762443][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3231.762443][ T72] addrconf_dad_begin+0x310/0x670 [ 3231.762443][ T72] addrconf_dad_work+0x10b/0xab0 [ 3231.762443][ T72] process_one_work+0x84d/0x18a0 [ 3231.762443][ T72] worker_thread+0x587/0xd30 [ 3231.762443][ T72] kthread+0x28a/0x350 [ 3231.762443][ T72] ret_from_fork+0x31/0x70 [ 3231.762443][ T72] ret_from_fork_asm+0x1a/0x30 [ 3231.762443][ T72] [ 3231.764368][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3231.764368][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.764368][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.764368][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.764368][ T72] ip6_route_add+0x1c/0x140 [ 3231.764368][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3231.764368][ T72] inet6_addr_add+0x4f8/0xa40 [ 3231.764368][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.764368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.764368][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.764368][ T72] netlink_unicast+0x449/0x710 [ 3231.764368][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.764368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.764368][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.764368][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.764368][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.764368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.764368][ T72] [ 3231.766344][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3231.766344][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.766344][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.766344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.766344][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3231.766344][ T72] ipv6_add_addr+0x411/0x2000 [ 3231.766344][ T72] inet6_addr_add+0x30e/0xa40 [ 3231.766344][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.766344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.766344][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.766344][ T72] netlink_unicast+0x449/0x710 [ 3231.766344][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.766344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.766344][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.766344][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.766344][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.766344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.766344][ T72] [ 3231.768599][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3231.768599][ T72] netdev_get_by_index+0x5e/0x80 [ 3231.768599][ T72] fib6_nh_init+0x3d8/0x1580 [ 3231.768599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3231.768599][ T72] ip6_route_add+0x1c/0x140 [ 3231.768599][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3231.768599][ T72] addrconf_add_dev+0xe2/0x170 [ 3231.768599][ T72] inet6_addr_add+0x12f/0xa40 [ 3231.768599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3231.768599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.768599][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.768599][ T72] netlink_unicast+0x449/0x710 [ 3231.768599][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.768599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.768599][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.768599][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.768599][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.768599][ T72] [ 3231.770843][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3231.770843][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3231.770843][ T72] ipv6_find_idev+0x102/0x170 [ 3231.770843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3231.770843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.770843][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.770843][ T72] netlink_unicast+0x449/0x710 [ 3231.770843][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.770843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.770843][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.770843][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.770843][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.770843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.770843][ T72] [ 3231.772549][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3231.772549][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3231.772549][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3231.772549][ T72] ipv6_find_idev+0x102/0x170 [ 3231.772549][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3231.772549][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3231.772549][ T72] netlink_rcv_skb+0x130/0x360 [ 3231.772549][ T72] netlink_unicast+0x449/0x710 [ 3231.772549][ T72] netlink_sendmsg+0x723/0xbe0 [ 3231.772549][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3231.772549][ T72] ___sys_sendmsg+0xee/0x170 [ 3231.772549][ T72] __sys_sendmsg+0xcd/0x170 [ 3231.772549][ T72] do_syscall_64+0xc6/0x1e0 [ 3231.772549][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3231.772549][ T72] [ 3242.016979][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3242.017530][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3242.017530][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3242.017530][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3242.017530][ T72] fib6_nh_init+0xa22/0x1580 [ 3242.017530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.017530][ T72] ip6_route_add+0x1c/0x140 [ 3242.017530][ T72] inet6_rtm_newroute+0x104/0x110 [ 3242.017530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.017530][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.017530][ T72] netlink_unicast+0x449/0x710 [ 3242.017530][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.017530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.017530][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.017530][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.017530][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.017530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.017530][ T72] [ 3242.019362][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3242.019362][ T72] dst_init+0x84/0x4a0 [ 3242.019362][ T72] dst_alloc+0x97/0x150 [ 3242.019362][ T72] ip6_dst_alloc+0x23/0x90 [ 3242.019362][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3242.019362][ T72] ip6_pol_route+0x56f/0x840 [ 3242.019362][ T72] fib6_rule_lookup+0x456/0x630 [ 3242.019362][ T72] ip6_route_input+0x59c/0xa50 [ 3242.019362][ T72] ipv6_rcv+0x397/0x810 [ 3242.019362][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3242.019362][ T72] process_backlog+0x101/0x620 [ 3242.019362][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3242.019362][ T72] net_rx_action+0x495/0xbe0 [ 3242.019362][ T72] __do_softirq+0x1b5/0x7f6 [ 3242.019362][ T72] [ 3242.020986][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3242.020986][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.020986][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.020986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.020986][ T72] ip6_route_add+0x1c/0x140 [ 3242.020986][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3242.020986][ T72] inet6_addr_add+0x4f8/0xa40 [ 3242.020986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.020986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.020986][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.020986][ T72] netlink_unicast+0x449/0x710 [ 3242.020986][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.020986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.020986][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.020986][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.020986][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.020986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.020986][ T72] [ 3242.022989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3242.022989][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.022989][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.022989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.022989][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3242.022989][ T72] ipv6_add_addr+0x411/0x2000 [ 3242.022989][ T72] inet6_addr_add+0x30e/0xa40 [ 3242.022989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.022989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.022989][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.022989][ T72] netlink_unicast+0x449/0x710 [ 3242.022989][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.022989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.022989][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.022989][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.022989][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.022989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.022989][ T72] [ 3242.024964][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3242.024964][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.024964][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.024964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.024964][ T72] ip6_route_add+0x1c/0x140 [ 3242.024964][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3242.024964][ T72] addrconf_add_dev+0xe2/0x170 [ 3242.024964][ T72] inet6_addr_add+0x12f/0xa40 [ 3242.024964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.024964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.024964][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.024964][ T72] netlink_unicast+0x449/0x710 [ 3242.024964][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.024964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.024964][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.024964][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.024964][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.024964][ T72] [ 3242.026937][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3242.026937][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3242.026937][ T72] ipv6_find_idev+0x102/0x170 [ 3242.026937][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.026937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.026937][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.026937][ T72] netlink_unicast+0x449/0x710 [ 3242.026937][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.026937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.026937][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.026937][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.026937][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.026937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.026937][ T72] [ 3242.028464][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3242.028464][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3242.028464][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3242.028464][ T72] ipv6_find_idev+0x102/0x170 [ 3242.028464][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.028464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.028464][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.028464][ T72] netlink_unicast+0x449/0x710 [ 3242.028464][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.028464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.028464][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.028464][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.028464][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.028464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.028464][ T72] [ 3242.030142][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3242.030417][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3242.030417][ T72] dst_init+0x84/0x4a0 [ 3242.030417][ T72] dst_alloc+0x97/0x150 [ 3242.030417][ T72] ip6_dst_alloc+0x23/0x90 [ 3242.030417][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3242.030417][ T72] ip6_pol_route+0x56f/0x840 [ 3242.030417][ T72] fib6_rule_lookup+0x456/0x630 [ 3242.030417][ T72] ip6_route_input+0x59c/0xa50 [ 3242.030417][ T72] ipv6_rcv+0x397/0x810 [ 3242.030417][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3242.030417][ T72] process_backlog+0x101/0x620 [ 3242.030417][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3242.030417][ T72] net_rx_action+0x495/0xbe0 [ 3242.030417][ T72] __do_softirq+0x1b5/0x7f6 [ 3242.030417][ T72] [ 3242.032053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3242.032053][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.032053][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.032053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.032053][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3242.032053][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3242.032053][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3242.032053][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3242.032053][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3242.032053][ T72] addrconf_dad_begin+0x310/0x670 [ 3242.032053][ T72] addrconf_dad_work+0x10b/0xab0 [ 3242.032053][ T72] process_one_work+0x84d/0x18a0 [ 3242.032053][ T72] worker_thread+0x587/0xd30 [ 3242.032053][ T72] kthread+0x28a/0x350 [ 3242.032053][ T72] ret_from_fork+0x31/0x70 [ 3242.032053][ T72] ret_from_fork_asm+0x1a/0x30 [ 3242.032053][ T72] [ 3242.033954][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3242.033954][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.033954][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.033954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.033954][ T72] ip6_route_add+0x1c/0x140 [ 3242.033954][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3242.033954][ T72] inet6_addr_add+0x4f8/0xa40 [ 3242.033954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.033954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.033954][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.033954][ T72] netlink_unicast+0x449/0x710 [ 3242.033954][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.033954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.033954][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.033954][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.033954][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.033954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.033954][ T72] [ 3242.035894][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3242.035894][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.035894][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.035894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.035894][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3242.035894][ T72] ipv6_add_addr+0x411/0x2000 [ 3242.035894][ T72] inet6_addr_add+0x30e/0xa40 [ 3242.035894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.035894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.035894][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.035894][ T72] netlink_unicast+0x449/0x710 [ 3242.035894][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.035894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.035894][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.035894][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.035894][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.035894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.035894][ T72] [ 3242.037838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3242.037838][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.037838][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.037838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.037838][ T72] ip6_route_add+0x1c/0x140 [ 3242.037838][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3242.037838][ T72] addrconf_add_dev+0xe2/0x170 [ 3242.037838][ T72] inet6_addr_add+0x12f/0xa40 [ 3242.037838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.037838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.037838][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.037838][ T72] netlink_unicast+0x449/0x710 [ 3242.037838][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.037838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.037838][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.037838][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.037838][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.037838][ T72] [ 3242.039779][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3242.039779][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3242.039779][ T72] ipv6_find_idev+0x102/0x170 [ 3242.039779][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.039779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.039779][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.039779][ T72] netlink_unicast+0x449/0x710 [ 3242.039779][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.039779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.039779][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.039779][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.039779][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.039779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.039779][ T72] [ 3242.041303][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3242.041303][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3242.041303][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3242.041303][ T72] ipv6_find_idev+0x102/0x170 [ 3242.041303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.041303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.041303][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.041303][ T72] netlink_unicast+0x449/0x710 [ 3242.041303][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.041303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.041303][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.041303][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.041303][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.041303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.041303][ T72] [ 3242.043090][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3242.043353][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3242.043353][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3242.043353][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3242.043353][ T72] fib6_nh_init+0xa22/0x1580 [ 3242.043353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.043353][ T72] ip6_route_add+0x1c/0x140 [ 3242.043353][ T72] inet6_rtm_newroute+0x104/0x110 [ 3242.043353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.043353][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.043353][ T72] netlink_unicast+0x449/0x710 [ 3242.043353][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.043353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.043353][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.043353][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.043353][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.043353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.043353][ T72] [ 3242.045529][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3242.045529][ T72] dst_init+0x84/0x4a0 [ 3242.045529][ T72] dst_alloc+0x97/0x150 [ 3242.045529][ T72] ip6_dst_alloc+0x23/0x90 [ 3242.045529][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3242.045529][ T72] ip6_pol_route+0x56f/0x840 [ 3242.045529][ T72] fib6_rule_lookup+0x456/0x630 [ 3242.045529][ T72] ip6_route_input+0x59c/0xa50 [ 3242.045529][ T72] ipv6_rcv+0x397/0x810 [ 3242.045529][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3242.045529][ T72] process_backlog+0x101/0x620 [ 3242.045529][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3242.045529][ T72] net_rx_action+0x495/0xbe0 [ 3242.045529][ T72] __do_softirq+0x1b5/0x7f6 [ 3242.045529][ T72] [ 3242.047342][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3242.047342][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.047342][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.047342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.047342][ T72] ip6_route_add+0x1c/0x140 [ 3242.047342][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3242.047342][ T72] inet6_addr_add+0x4f8/0xa40 [ 3242.047342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.047342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.047342][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.047342][ T72] netlink_unicast+0x449/0x710 [ 3242.047342][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.047342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.047342][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.047342][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.047342][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.047342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.047342][ T72] [ 3242.049509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3242.049509][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.049509][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.049509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.049509][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3242.049509][ T72] ipv6_add_addr+0x411/0x2000 [ 3242.049509][ T72] inet6_addr_add+0x30e/0xa40 [ 3242.049509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.049509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.049509][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.049509][ T72] netlink_unicast+0x449/0x710 [ 3242.049509][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.049509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.049509][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.049509][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.049509][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.049509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.049509][ T72] [ 3242.051736][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3242.051736][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.051736][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.051736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.051736][ T72] ip6_route_add+0x1c/0x140 [ 3242.051736][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3242.051736][ T72] addrconf_add_dev+0xe2/0x170 [ 3242.051736][ T72] inet6_addr_add+0x12f/0xa40 [ 3242.051736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.051736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.051736][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.051736][ T72] netlink_unicast+0x449/0x710 [ 3242.051736][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.051736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.051736][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.051736][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.051736][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.051736][ T72] [ 3242.053994][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3242.053994][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3242.053994][ T72] ipv6_find_idev+0x102/0x170 [ 3242.053994][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.053994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.053994][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.053994][ T72] netlink_unicast+0x449/0x710 [ 3242.053994][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.053994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.053994][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.053994][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.053994][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.053994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.053994][ T72] [ 3242.055704][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3242.055704][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3242.055704][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3242.055704][ T72] ipv6_find_idev+0x102/0x170 [ 3242.055704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.055704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.055704][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.055704][ T72] netlink_unicast+0x449/0x710 [ 3242.055704][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.055704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.055704][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.055704][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.055704][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.055704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.055704][ T72] [ 3242.057553][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3242.058320][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3242.058320][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.058320][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.058320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.058320][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3242.058320][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3242.058320][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3242.058320][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3242.058320][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3242.058320][ T72] addrconf_dad_begin+0x310/0x670 [ 3242.058320][ T72] addrconf_dad_work+0x10b/0xab0 [ 3242.058320][ T72] process_one_work+0x84d/0x18a0 [ 3242.058320][ T72] worker_thread+0x587/0xd30 [ 3242.058320][ T72] kthread+0x28a/0x350 [ 3242.058320][ T72] ret_from_fork+0x31/0x70 [ 3242.058320][ T72] ret_from_fork_asm+0x1a/0x30 [ 3242.058320][ T72] [ 3242.060213][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3242.060213][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.060213][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.060213][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.060213][ T72] ip6_route_add+0x1c/0x140 [ 3242.060213][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3242.060213][ T72] inet6_addr_add+0x4f8/0xa40 [ 3242.060213][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.060213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.060213][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.060213][ T72] netlink_unicast+0x449/0x710 [ 3242.060213][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.060213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.060213][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.060213][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.060213][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.060213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.060213][ T72] [ 3242.062185][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3242.062185][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.062185][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.062185][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.062185][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3242.062185][ T72] ipv6_add_addr+0x411/0x2000 [ 3242.062185][ T72] inet6_addr_add+0x30e/0xa40 [ 3242.062185][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.062185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.062185][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.062185][ T72] netlink_unicast+0x449/0x710 [ 3242.062185][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.062185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.062185][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.062185][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.062185][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.062185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.062185][ T72] [ 3242.064410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3242.064410][ T72] netdev_get_by_index+0x5e/0x80 [ 3242.064410][ T72] fib6_nh_init+0x3d8/0x1580 [ 3242.064410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3242.064410][ T72] ip6_route_add+0x1c/0x140 [ 3242.064410][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3242.064410][ T72] addrconf_add_dev+0xe2/0x170 [ 3242.064410][ T72] inet6_addr_add+0x12f/0xa40 [ 3242.064410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.064410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.064410][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.064410][ T72] netlink_unicast+0x449/0x710 [ 3242.064410][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.064410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.064410][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.064410][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.064410][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.064410][ T72] [ 3242.067187][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3242.067187][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3242.067187][ T72] ipv6_find_idev+0x102/0x170 [ 3242.067187][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.067187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.067187][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.067187][ T72] netlink_unicast+0x449/0x710 [ 3242.067187][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.067187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.067187][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.067187][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.067187][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.067187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.067187][ T72] [ 3242.068896][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3242.068896][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3242.068896][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3242.068896][ T72] ipv6_find_idev+0x102/0x170 [ 3242.068896][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.068896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.068896][ T72] netlink_rcv_skb+0x130/0x360 [ 3242.068896][ T72] netlink_unicast+0x449/0x710 [ 3242.068896][ T72] netlink_sendmsg+0x723/0xbe0 [ 3242.068896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3242.068896][ T72] ___sys_sendmsg+0xee/0x170 [ 3242.068896][ T72] __sys_sendmsg+0xcd/0x170 [ 3242.068896][ T72] do_syscall_64+0xc6/0x1e0 [ 3242.068896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.068896][ T72] [ 3252.313006][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3252.313689][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3252.313689][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3252.313689][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3252.313689][ T72] fib6_nh_init+0xa22/0x1580 [ 3252.313689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.313689][ T72] ip6_route_add+0x1c/0x140 [ 3252.313689][ T72] inet6_rtm_newroute+0x104/0x110 [ 3252.313689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.313689][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.313689][ T72] netlink_unicast+0x449/0x710 [ 3252.313689][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.313689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.313689][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.313689][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.313689][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.313689][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.313689][ T72] [ 3252.315516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3252.315516][ T72] dst_init+0x84/0x4a0 [ 3252.315516][ T72] dst_alloc+0x97/0x150 [ 3252.315516][ T72] ip6_dst_alloc+0x23/0x90 [ 3252.315516][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3252.315516][ T72] ip6_pol_route+0x56f/0x840 [ 3252.315516][ T72] fib6_rule_lookup+0x456/0x630 [ 3252.315516][ T72] ip6_route_input+0x59c/0xa50 [ 3252.315516][ T72] ipv6_rcv+0x397/0x810 [ 3252.315516][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3252.315516][ T72] process_backlog+0x101/0x620 [ 3252.315516][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3252.315516][ T72] net_rx_action+0x495/0xbe0 [ 3252.315516][ T72] __do_softirq+0x1b5/0x7f6 [ 3252.315516][ T72] [ 3252.317048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3252.317048][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.317048][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.317048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.317048][ T72] ip6_route_add+0x1c/0x140 [ 3252.317048][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3252.317048][ T72] inet6_addr_add+0x4f8/0xa40 [ 3252.317048][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.317048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.317048][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.317048][ T72] netlink_unicast+0x449/0x710 [ 3252.317048][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.317048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.317048][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.317048][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.317048][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.317048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.317048][ T72] [ 3252.319042][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3252.319042][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.319042][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.319042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.319042][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3252.319042][ T72] ipv6_add_addr+0x411/0x2000 [ 3252.319042][ T72] inet6_addr_add+0x30e/0xa40 [ 3252.319042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.319042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.319042][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.319042][ T72] netlink_unicast+0x449/0x710 [ 3252.319042][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.319042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.319042][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.319042][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.319042][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.319042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.319042][ T72] [ 3252.320969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3252.320969][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.320969][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.320969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.320969][ T72] ip6_route_add+0x1c/0x140 [ 3252.320969][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3252.320969][ T72] addrconf_add_dev+0xe2/0x170 [ 3252.320969][ T72] inet6_addr_add+0x12f/0xa40 [ 3252.320969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.320969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.320969][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.320969][ T72] netlink_unicast+0x449/0x710 [ 3252.320969][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.320969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.320969][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.320969][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.320969][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.320969][ T72] [ 3252.322937][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3252.322937][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3252.322937][ T72] ipv6_find_idev+0x102/0x170 [ 3252.322937][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.322937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.322937][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.322937][ T72] netlink_unicast+0x449/0x710 [ 3252.322937][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.322937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.322937][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.322937][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.322937][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.322937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.322937][ T72] [ 3252.324507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3252.324507][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3252.324507][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3252.324507][ T72] ipv6_find_idev+0x102/0x170 [ 3252.324507][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.324507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.324507][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.324507][ T72] netlink_unicast+0x449/0x710 [ 3252.324507][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.324507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.324507][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.324507][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.324507][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.324507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.324507][ T72] [ 3252.326699][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3252.326985][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3252.326985][ T72] dst_init+0x84/0x4a0 [ 3252.326985][ T72] dst_alloc+0x97/0x150 [ 3252.326985][ T72] ip6_dst_alloc+0x23/0x90 [ 3252.326985][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3252.326985][ T72] ip6_pol_route+0x56f/0x840 [ 3252.326985][ T72] fib6_rule_lookup+0x456/0x630 [ 3252.326985][ T72] ip6_route_input+0x59c/0xa50 [ 3252.326985][ T72] ipv6_rcv+0x397/0x810 [ 3252.326985][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3252.326985][ T72] process_backlog+0x101/0x620 [ 3252.326985][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3252.326985][ T72] net_rx_action+0x495/0xbe0 [ 3252.326985][ T72] __do_softirq+0x1b5/0x7f6 [ 3252.326985][ T72] [ 3252.328617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3252.328617][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.328617][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.328617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.328617][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3252.328617][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3252.328617][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3252.328617][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3252.328617][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3252.328617][ T72] addrconf_dad_begin+0x310/0x670 [ 3252.328617][ T72] addrconf_dad_work+0x10b/0xab0 [ 3252.328617][ T72] process_one_work+0x84d/0x18a0 [ 3252.328617][ T72] worker_thread+0x587/0xd30 [ 3252.328617][ T72] kthread+0x28a/0x350 [ 3252.328617][ T72] ret_from_fork+0x31/0x70 [ 3252.328617][ T72] ret_from_fork_asm+0x1a/0x30 [ 3252.328617][ T72] [ 3252.330518][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3252.330518][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.330518][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.330518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.330518][ T72] ip6_route_add+0x1c/0x140 [ 3252.330518][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3252.330518][ T72] inet6_addr_add+0x4f8/0xa40 [ 3252.330518][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.330518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.330518][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.330518][ T72] netlink_unicast+0x449/0x710 [ 3252.330518][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.330518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.330518][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.330518][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.330518][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.330518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.330518][ T72] [ 3252.332466][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3252.332466][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.332466][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.332466][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.332466][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3252.332466][ T72] ipv6_add_addr+0x411/0x2000 [ 3252.332466][ T72] inet6_addr_add+0x30e/0xa40 [ 3252.332466][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.332466][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.332466][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.332466][ T72] netlink_unicast+0x449/0x710 [ 3252.332466][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.332466][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.332466][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.332466][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.332466][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.332466][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.332466][ T72] [ 3252.334421][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3252.334421][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.334421][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.334421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.334421][ T72] ip6_route_add+0x1c/0x140 [ 3252.334421][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3252.334421][ T72] addrconf_add_dev+0xe2/0x170 [ 3252.334421][ T72] inet6_addr_add+0x12f/0xa40 [ 3252.334421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.334421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.334421][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.334421][ T72] netlink_unicast+0x449/0x710 [ 3252.334421][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.334421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.334421][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.334421][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.334421][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.334421][ T72] [ 3252.336708][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3252.336708][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3252.336708][ T72] ipv6_find_idev+0x102/0x170 [ 3252.336708][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.336708][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.336708][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.336708][ T72] netlink_unicast+0x449/0x710 [ 3252.336708][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.336708][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.336708][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.336708][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.336708][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.336708][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.336708][ T72] [ 3252.338240][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3252.338240][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3252.338240][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3252.338240][ T72] ipv6_find_idev+0x102/0x170 [ 3252.338240][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.338240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.338240][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.338240][ T72] netlink_unicast+0x449/0x710 [ 3252.338240][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.338240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.338240][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.338240][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.338240][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.338240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.338240][ T72] [ 3252.340066][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3252.340355][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3252.340355][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3252.340355][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3252.340355][ T72] fib6_nh_init+0xa22/0x1580 [ 3252.340355][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.340355][ T72] ip6_route_add+0x1c/0x140 [ 3252.340355][ T72] inet6_rtm_newroute+0x104/0x110 [ 3252.340355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.340355][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.340355][ T72] netlink_unicast+0x449/0x710 [ 3252.340355][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.340355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.340355][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.340355][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.340355][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.340355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.340355][ T72] [ 3252.342547][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3252.342547][ T72] dst_init+0x84/0x4a0 [ 3252.342547][ T72] dst_alloc+0x97/0x150 [ 3252.342547][ T72] ip6_dst_alloc+0x23/0x90 [ 3252.342547][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3252.342547][ T72] ip6_pol_route+0x56f/0x840 [ 3252.342547][ T72] fib6_rule_lookup+0x456/0x630 [ 3252.342547][ T72] ip6_route_input+0x59c/0xa50 [ 3252.342547][ T72] ipv6_rcv+0x397/0x810 [ 3252.342547][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3252.342547][ T72] process_backlog+0x101/0x620 [ 3252.342547][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3252.342547][ T72] net_rx_action+0x495/0xbe0 [ 3252.342547][ T72] __do_softirq+0x1b5/0x7f6 [ 3252.342547][ T72] [ 3252.344388][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3252.344388][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.344388][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.344388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.344388][ T72] ip6_route_add+0x1c/0x140 [ 3252.344388][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3252.344388][ T72] inet6_addr_add+0x4f8/0xa40 [ 3252.344388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.344388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.344388][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.344388][ T72] netlink_unicast+0x449/0x710 [ 3252.344388][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.344388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.344388][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.344388][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.344388][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.344388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.344388][ T72] [ 3252.346618][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3252.346618][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.346618][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.346618][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.346618][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3252.346618][ T72] ipv6_add_addr+0x411/0x2000 [ 3252.346618][ T72] inet6_addr_add+0x30e/0xa40 [ 3252.346618][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.346618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.346618][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.346618][ T72] netlink_unicast+0x449/0x710 [ 3252.346618][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.346618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.346618][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.346618][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.346618][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.346618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.346618][ T72] [ 3252.348838][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3252.348838][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.348838][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.348838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.348838][ T72] ip6_route_add+0x1c/0x140 [ 3252.348838][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3252.348838][ T72] addrconf_add_dev+0xe2/0x170 [ 3252.348838][ T72] inet6_addr_add+0x12f/0xa40 [ 3252.348838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.348838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.348838][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.348838][ T72] netlink_unicast+0x449/0x710 [ 3252.348838][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.348838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.348838][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.348838][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.348838][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.348838][ T72] [ 3252.351063][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3252.351063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3252.351063][ T72] ipv6_find_idev+0x102/0x170 [ 3252.351063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.351063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.351063][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.351063][ T72] netlink_unicast+0x449/0x710 [ 3252.351063][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.351063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.351063][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.351063][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.351063][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.351063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.351063][ T72] [ 3252.352787][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3252.352787][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3252.352787][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3252.352787][ T72] ipv6_find_idev+0x102/0x170 [ 3252.352787][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.352787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.352787][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.352787][ T72] netlink_unicast+0x449/0x710 [ 3252.352787][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.352787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.352787][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.352787][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.352787][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.352787][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.352787][ T72] [ 3252.354661][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3252.355438][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3252.355438][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.355438][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.355438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.355438][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3252.355438][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3252.355438][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3252.355438][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3252.355438][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3252.355438][ T72] addrconf_dad_begin+0x310/0x670 [ 3252.355438][ T72] addrconf_dad_work+0x10b/0xab0 [ 3252.355438][ T72] process_one_work+0x84d/0x18a0 [ 3252.355438][ T72] worker_thread+0x587/0xd30 [ 3252.355438][ T72] kthread+0x28a/0x350 [ 3252.355438][ T72] ret_from_fork+0x31/0x70 [ 3252.355438][ T72] ret_from_fork_asm+0x1a/0x30 [ 3252.355438][ T72] [ 3252.357334][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3252.357334][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.357334][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.357334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.357334][ T72] ip6_route_add+0x1c/0x140 [ 3252.357334][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3252.357334][ T72] inet6_addr_add+0x4f8/0xa40 [ 3252.357334][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.357334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.357334][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.357334][ T72] netlink_unicast+0x449/0x710 [ 3252.357334][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.357334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.357334][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.357334][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.357334][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.357334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.357334][ T72] [ 3252.359318][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3252.359318][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.359318][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.359318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.359318][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3252.359318][ T72] ipv6_add_addr+0x411/0x2000 [ 3252.359318][ T72] inet6_addr_add+0x30e/0xa40 [ 3252.359318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.359318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.359318][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.359318][ T72] netlink_unicast+0x449/0x710 [ 3252.359318][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.359318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.359318][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.359318][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.359318][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.359318][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.359318][ T72] [ 3252.361532][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3252.361532][ T72] netdev_get_by_index+0x5e/0x80 [ 3252.361532][ T72] fib6_nh_init+0x3d8/0x1580 [ 3252.361532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3252.361532][ T72] ip6_route_add+0x1c/0x140 [ 3252.361532][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3252.361532][ T72] addrconf_add_dev+0xe2/0x170 [ 3252.361532][ T72] inet6_addr_add+0x12f/0xa40 [ 3252.361532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.361532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.361532][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.361532][ T72] netlink_unicast+0x449/0x710 [ 3252.361532][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.361532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.361532][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.361532][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.361532][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.361532][ T72] [ 3252.363831][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3252.363831][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3252.363831][ T72] ipv6_find_idev+0x102/0x170 [ 3252.363831][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.363831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.363831][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.363831][ T72] netlink_unicast+0x449/0x710 [ 3252.363831][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.363831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.363831][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.363831][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.363831][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.363831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.363831][ T72] [ 3252.365560][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3252.365560][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3252.365560][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3252.365560][ T72] ipv6_find_idev+0x102/0x170 [ 3252.365560][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.365560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.365560][ T72] netlink_rcv_skb+0x130/0x360 [ 3252.365560][ T72] netlink_unicast+0x449/0x710 [ 3252.365560][ T72] netlink_sendmsg+0x723/0xbe0 [ 3252.365560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3252.365560][ T72] ___sys_sendmsg+0xee/0x170 [ 3252.365560][ T72] __sys_sendmsg+0xcd/0x170 [ 3252.365560][ T72] do_syscall_64+0xc6/0x1e0 [ 3252.365560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.365560][ T72] [ 3262.424985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3262.425714][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3262.425714][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3262.425714][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3262.425714][ T72] fib6_nh_init+0xa22/0x1580 [ 3262.425714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.425714][ T72] ip6_route_add+0x1c/0x140 [ 3262.425714][ T72] inet6_rtm_newroute+0x104/0x110 [ 3262.425714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.425714][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.425714][ T72] netlink_unicast+0x449/0x710 [ 3262.425714][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.425714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.425714][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.425714][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.425714][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.425714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.425714][ T72] [ 3262.427611][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3262.427611][ T72] dst_init+0x84/0x4a0 [ 3262.427611][ T72] dst_alloc+0x97/0x150 [ 3262.427611][ T72] ip6_dst_alloc+0x23/0x90 [ 3262.427611][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3262.427611][ T72] ip6_pol_route+0x56f/0x840 [ 3262.427611][ T72] fib6_rule_lookup+0x456/0x630 [ 3262.427611][ T72] ip6_route_input+0x59c/0xa50 [ 3262.427611][ T72] ipv6_rcv+0x397/0x810 [ 3262.427611][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3262.427611][ T72] process_backlog+0x101/0x620 [ 3262.427611][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3262.427611][ T72] net_rx_action+0x495/0xbe0 [ 3262.427611][ T72] __do_softirq+0x1b5/0x7f6 [ 3262.427611][ T72] [ 3262.429279][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3262.429279][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.429279][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.429279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.429279][ T72] ip6_route_add+0x1c/0x140 [ 3262.429279][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3262.429279][ T72] inet6_addr_add+0x4f8/0xa40 [ 3262.429279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.429279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.429279][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.429279][ T72] netlink_unicast+0x449/0x710 [ 3262.429279][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.429279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.429279][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.429279][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.429279][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.429279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.429279][ T72] [ 3262.431286][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3262.431286][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.431286][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.431286][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.431286][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3262.431286][ T72] ipv6_add_addr+0x411/0x2000 [ 3262.431286][ T72] inet6_addr_add+0x30e/0xa40 [ 3262.431286][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.431286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.431286][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.431286][ T72] netlink_unicast+0x449/0x710 [ 3262.431286][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.431286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.431286][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.431286][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.431286][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.431286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.431286][ T72] [ 3262.433346][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3262.433346][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.433346][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.433346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.433346][ T72] ip6_route_add+0x1c/0x140 [ 3262.433346][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3262.433346][ T72] addrconf_add_dev+0xe2/0x170 [ 3262.433346][ T72] inet6_addr_add+0x12f/0xa40 [ 3262.433346][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.433346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.433346][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.433346][ T72] netlink_unicast+0x449/0x710 [ 3262.433346][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.433346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.433346][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.433346][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.433346][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.433346][ T72] [ 3262.435333][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3262.435333][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3262.435333][ T72] ipv6_find_idev+0x102/0x170 [ 3262.435333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.435333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.435333][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.435333][ T72] netlink_unicast+0x449/0x710 [ 3262.435333][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.435333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.435333][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.435333][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.435333][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.435333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.435333][ T72] [ 3262.436881][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3262.436881][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3262.436881][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3262.436881][ T72] ipv6_find_idev+0x102/0x170 [ 3262.436881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.436881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.436881][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.436881][ T72] netlink_unicast+0x449/0x710 [ 3262.436881][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.436881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.436881][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.436881][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.436881][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.436881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.436881][ T72] [ 3262.438603][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3262.438902][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3262.438902][ T72] dst_init+0x84/0x4a0 [ 3262.438902][ T72] dst_alloc+0x97/0x150 [ 3262.438902][ T72] ip6_dst_alloc+0x23/0x90 [ 3262.438902][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3262.438902][ T72] ip6_pol_route+0x56f/0x840 [ 3262.438902][ T72] fib6_rule_lookup+0x456/0x630 [ 3262.438902][ T72] ip6_route_input+0x59c/0xa50 [ 3262.438902][ T72] ipv6_rcv+0x397/0x810 [ 3262.438902][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3262.438902][ T72] process_backlog+0x101/0x620 [ 3262.438902][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3262.438902][ T72] net_rx_action+0x495/0xbe0 [ 3262.438902][ T72] __do_softirq+0x1b5/0x7f6 [ 3262.438902][ T72] [ 3262.440549][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3262.440549][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.440549][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.440549][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.440549][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3262.440549][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3262.440549][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3262.440549][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3262.440549][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3262.440549][ T72] addrconf_dad_begin+0x310/0x670 [ 3262.440549][ T72] addrconf_dad_work+0x10b/0xab0 [ 3262.440549][ T72] process_one_work+0x84d/0x18a0 [ 3262.440549][ T72] worker_thread+0x587/0xd30 [ 3262.440549][ T72] kthread+0x28a/0x350 [ 3262.440549][ T72] ret_from_fork+0x31/0x70 [ 3262.440549][ T72] ret_from_fork_asm+0x1a/0x30 [ 3262.440549][ T72] [ 3262.442424][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3262.442424][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.442424][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.442424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.442424][ T72] ip6_route_add+0x1c/0x140 [ 3262.442424][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3262.442424][ T72] inet6_addr_add+0x4f8/0xa40 [ 3262.442424][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.442424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.442424][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.442424][ T72] netlink_unicast+0x449/0x710 [ 3262.442424][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.442424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.442424][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.442424][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.442424][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.442424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.442424][ T72] [ 3262.444446][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3262.444446][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.444446][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.444446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.444446][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3262.444446][ T72] ipv6_add_addr+0x411/0x2000 [ 3262.444446][ T72] inet6_addr_add+0x30e/0xa40 [ 3262.444446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.444446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.444446][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.444446][ T72] netlink_unicast+0x449/0x710 [ 3262.444446][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.444446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.444446][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.444446][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.444446][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.444446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.444446][ T72] [ 3262.446785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3262.446785][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.446785][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.446785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.446785][ T72] ip6_route_add+0x1c/0x140 [ 3262.446785][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3262.446785][ T72] addrconf_add_dev+0xe2/0x170 [ 3262.446785][ T72] inet6_addr_add+0x12f/0xa40 [ 3262.446785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.446785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.446785][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.446785][ T72] netlink_unicast+0x449/0x710 [ 3262.446785][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.446785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.446785][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.446785][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.446785][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.446785][ T72] [ 3262.448700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3262.448700][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3262.448700][ T72] ipv6_find_idev+0x102/0x170 [ 3262.448700][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.448700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.448700][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.448700][ T72] netlink_unicast+0x449/0x710 [ 3262.448700][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.448700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.448700][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.448700][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.448700][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.448700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.448700][ T72] [ 3262.450242][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3262.450242][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3262.450242][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3262.450242][ T72] ipv6_find_idev+0x102/0x170 [ 3262.450242][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.450242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.450242][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.450242][ T72] netlink_unicast+0x449/0x710 [ 3262.450242][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.450242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.450242][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.450242][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.450242][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.450242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.450242][ T72] [ 3262.452101][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3262.452390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3262.452390][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3262.452390][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3262.452390][ T72] fib6_nh_init+0xa22/0x1580 [ 3262.452390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.452390][ T72] ip6_route_add+0x1c/0x140 [ 3262.452390][ T72] inet6_rtm_newroute+0x104/0x110 [ 3262.452390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.452390][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.452390][ T72] netlink_unicast+0x449/0x710 [ 3262.452390][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.452390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.452390][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.452390][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.452390][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.452390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.452390][ T72] [ 3262.454566][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3262.454566][ T72] dst_init+0x84/0x4a0 [ 3262.454566][ T72] dst_alloc+0x97/0x150 [ 3262.454566][ T72] ip6_dst_alloc+0x23/0x90 [ 3262.454566][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3262.454566][ T72] ip6_pol_route+0x56f/0x840 [ 3262.454566][ T72] fib6_rule_lookup+0x456/0x630 [ 3262.454566][ T72] ip6_route_input+0x59c/0xa50 [ 3262.454566][ T72] ipv6_rcv+0x397/0x810 [ 3262.454566][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3262.454566][ T72] process_backlog+0x101/0x620 [ 3262.454566][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3262.454566][ T72] net_rx_action+0x495/0xbe0 [ 3262.454566][ T72] __do_softirq+0x1b5/0x7f6 [ 3262.454566][ T72] [ 3262.456387][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3262.456387][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.456387][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.456387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.456387][ T72] ip6_route_add+0x1c/0x140 [ 3262.456387][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3262.456387][ T72] inet6_addr_add+0x4f8/0xa40 [ 3262.456387][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.456387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.456387][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.456387][ T72] netlink_unicast+0x449/0x710 [ 3262.456387][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.456387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.456387][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.456387][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.456387][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.456387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.456387][ T72] [ 3262.458670][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3262.458670][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.458670][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.458670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.458670][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3262.458670][ T72] ipv6_add_addr+0x411/0x2000 [ 3262.458670][ T72] inet6_addr_add+0x30e/0xa40 [ 3262.458670][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.458670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.458670][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.458670][ T72] netlink_unicast+0x449/0x710 [ 3262.458670][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.458670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.458670][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.458670][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.458670][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.458670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.458670][ T72] [ 3262.460848][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3262.460848][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.460848][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.460848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.460848][ T72] ip6_route_add+0x1c/0x140 [ 3262.460848][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3262.460848][ T72] addrconf_add_dev+0xe2/0x170 [ 3262.460848][ T72] inet6_addr_add+0x12f/0xa40 [ 3262.460848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.460848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.460848][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.460848][ T72] netlink_unicast+0x449/0x710 [ 3262.460848][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.460848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.460848][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.460848][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.460848][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.460848][ T72] [ 3262.463133][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3262.463133][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3262.463133][ T72] ipv6_find_idev+0x102/0x170 [ 3262.463133][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.463133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.463133][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.463133][ T72] netlink_unicast+0x449/0x710 [ 3262.463133][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.463133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.463133][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.463133][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.463133][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.463133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.463133][ T72] [ 3262.464910][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3262.464910][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3262.464910][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3262.464910][ T72] ipv6_find_idev+0x102/0x170 [ 3262.464910][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.464910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.464910][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.464910][ T72] netlink_unicast+0x449/0x710 [ 3262.464910][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.464910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.464910][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.464910][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.464910][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.464910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.464910][ T72] [ 3262.466771][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3262.467551][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3262.467551][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.467551][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.467551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.467551][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3262.467551][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3262.467551][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3262.467551][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3262.467551][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3262.467551][ T72] addrconf_dad_begin+0x310/0x670 [ 3262.467551][ T72] addrconf_dad_work+0x10b/0xab0 [ 3262.467551][ T72] process_one_work+0x84d/0x18a0 [ 3262.467551][ T72] worker_thread+0x587/0xd30 [ 3262.467551][ T72] kthread+0x28a/0x350 [ 3262.467551][ T72] ret_from_fork+0x31/0x70 [ 3262.467551][ T72] ret_from_fork_asm+0x1a/0x30 [ 3262.467551][ T72] [ 3262.469444][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3262.469444][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.469444][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.469444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.469444][ T72] ip6_route_add+0x1c/0x140 [ 3262.469444][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3262.469444][ T72] inet6_addr_add+0x4f8/0xa40 [ 3262.469444][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.469444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.469444][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.469444][ T72] netlink_unicast+0x449/0x710 [ 3262.469444][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.469444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.469444][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.469444][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.469444][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.469444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.469444][ T72] [ 3262.471471][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3262.471471][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.471471][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.471471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.471471][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3262.471471][ T72] ipv6_add_addr+0x411/0x2000 [ 3262.471471][ T72] inet6_addr_add+0x30e/0xa40 [ 3262.471471][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.471471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.471471][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.471471][ T72] netlink_unicast+0x449/0x710 [ 3262.471471][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.471471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.471471][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.471471][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.471471][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.471471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.471471][ T72] [ 3262.473713][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3262.473713][ T72] netdev_get_by_index+0x5e/0x80 [ 3262.473713][ T72] fib6_nh_init+0x3d8/0x1580 [ 3262.473713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3262.473713][ T72] ip6_route_add+0x1c/0x140 [ 3262.473713][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3262.473713][ T72] addrconf_add_dev+0xe2/0x170 [ 3262.473713][ T72] inet6_addr_add+0x12f/0xa40 [ 3262.473713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.473713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.473713][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.473713][ T72] netlink_unicast+0x449/0x710 [ 3262.473713][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.473713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.473713][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.473713][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.473713][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.473713][ T72] [ 3262.475987][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3262.475987][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3262.475987][ T72] ipv6_find_idev+0x102/0x170 [ 3262.475987][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.475987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.475987][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.475987][ T72] netlink_unicast+0x449/0x710 [ 3262.475987][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.475987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.475987][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.475987][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.475987][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.475987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.475987][ T72] [ 3262.477679][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3262.477679][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3262.477679][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3262.477679][ T72] ipv6_find_idev+0x102/0x170 [ 3262.477679][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.477679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.477679][ T72] netlink_rcv_skb+0x130/0x360 [ 3262.477679][ T72] netlink_unicast+0x449/0x710 [ 3262.477679][ T72] netlink_sendmsg+0x723/0xbe0 [ 3262.477679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3262.477679][ T72] ___sys_sendmsg+0xee/0x170 [ 3262.477679][ T72] __sys_sendmsg+0xcd/0x170 [ 3262.477679][ T72] do_syscall_64+0xc6/0x1e0 [ 3262.477679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.477679][ T72] [ 3272.728996][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3272.729684][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3272.729684][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3272.729684][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3272.729684][ T72] fib6_nh_init+0xa22/0x1580 [ 3272.729684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.729684][ T72] ip6_route_add+0x1c/0x140 [ 3272.729684][ T72] inet6_rtm_newroute+0x104/0x110 [ 3272.729684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.729684][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.729684][ T72] netlink_unicast+0x449/0x710 [ 3272.729684][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.729684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.729684][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.729684][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.729684][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.729684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.729684][ T72] [ 3272.731513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3272.731513][ T72] dst_init+0x84/0x4a0 [ 3272.731513][ T72] dst_alloc+0x97/0x150 [ 3272.731513][ T72] ip6_dst_alloc+0x23/0x90 [ 3272.731513][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3272.731513][ T72] ip6_pol_route+0x56f/0x840 [ 3272.731513][ T72] fib6_rule_lookup+0x456/0x630 [ 3272.731513][ T72] ip6_route_input+0x59c/0xa50 [ 3272.731513][ T72] ipv6_rcv+0x397/0x810 [ 3272.731513][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3272.731513][ T72] process_backlog+0x101/0x620 [ 3272.731513][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3272.731513][ T72] net_rx_action+0x495/0xbe0 [ 3272.731513][ T72] __do_softirq+0x1b5/0x7f6 [ 3272.731513][ T72] [ 3272.733202][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3272.733202][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.733202][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.733202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.733202][ T72] ip6_route_add+0x1c/0x140 [ 3272.733202][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3272.733202][ T72] inet6_addr_add+0x4f8/0xa40 [ 3272.733202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.733202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.733202][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.733202][ T72] netlink_unicast+0x449/0x710 [ 3272.733202][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.733202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.733202][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.733202][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.733202][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.733202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.733202][ T72] [ 3272.735182][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3272.735182][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.735182][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.735182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.735182][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3272.735182][ T72] ipv6_add_addr+0x411/0x2000 [ 3272.735182][ T72] inet6_addr_add+0x30e/0xa40 [ 3272.735182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.735182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.735182][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.735182][ T72] netlink_unicast+0x449/0x710 [ 3272.735182][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.735182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.735182][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.735182][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.735182][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.735182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.735182][ T72] [ 3272.737202][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3272.737202][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.737202][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.737202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.737202][ T72] ip6_route_add+0x1c/0x140 [ 3272.737202][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3272.737202][ T72] addrconf_add_dev+0xe2/0x170 [ 3272.737202][ T72] inet6_addr_add+0x12f/0xa40 [ 3272.737202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.737202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.737202][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.737202][ T72] netlink_unicast+0x449/0x710 [ 3272.737202][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.737202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.737202][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.737202][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.737202][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.737202][ T72] [ 3272.739169][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3272.739169][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3272.739169][ T72] ipv6_find_idev+0x102/0x170 [ 3272.739169][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3272.739169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.739169][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.739169][ T72] netlink_unicast+0x449/0x710 [ 3272.739169][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.739169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.739169][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.739169][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.739169][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.739169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.739169][ T72] [ 3272.740716][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3272.740716][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3272.740716][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3272.740716][ T72] ipv6_find_idev+0x102/0x170 [ 3272.740716][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3272.740716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.740716][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.740716][ T72] netlink_unicast+0x449/0x710 [ 3272.740716][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.740716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.740716][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.740716][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.740716][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.740716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.740716][ T72] [ 3272.742459][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3272.742739][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3272.742739][ T72] dst_init+0x84/0x4a0 [ 3272.742739][ T72] dst_alloc+0x97/0x150 [ 3272.742739][ T72] ip6_dst_alloc+0x23/0x90 [ 3272.742739][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3272.742739][ T72] ip6_pol_route+0x56f/0x840 [ 3272.742739][ T72] fib6_rule_lookup+0x456/0x630 [ 3272.742739][ T72] ip6_route_input+0x59c/0xa50 [ 3272.742739][ T72] ipv6_rcv+0x397/0x810 [ 3272.742739][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3272.742739][ T72] process_backlog+0x101/0x620 [ 3272.742739][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3272.742739][ T72] net_rx_action+0x495/0xbe0 [ 3272.742739][ T72] __do_softirq+0x1b5/0x7f6 [ 3272.742739][ T72] [ 3272.744410][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3272.744410][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.744410][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.744410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.744410][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3272.744410][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3272.744410][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3272.744410][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3272.744410][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3272.744410][ T72] addrconf_dad_begin+0x310/0x670 [ 3272.744410][ T72] addrconf_dad_work+0x10b/0xab0 [ 3272.744410][ T72] process_one_work+0x84d/0x18a0 [ 3272.744410][ T72] worker_thread+0x587/0xd30 [ 3272.744410][ T72] kthread+0x28a/0x350 [ 3272.744410][ T72] ret_from_fork+0x31/0x70 [ 3272.744410][ T72] ret_from_fork_asm+0x1a/0x30 [ 3272.744410][ T72] [ 3272.746318][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3272.746318][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.746318][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.746318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.746318][ T72] ip6_route_add+0x1c/0x140 [ 3272.746318][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3272.746318][ T72] inet6_addr_add+0x4f8/0xa40 [ 3272.746318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.746318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.746318][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.746318][ T72] netlink_unicast+0x449/0x710 [ 3272.746318][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.746318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.746318][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.746318][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.746318][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.746318][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.746318][ T72] [ 3272.748342][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3272.748342][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.748342][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.748342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.748342][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3272.748342][ T72] ipv6_add_addr+0x411/0x2000 [ 3272.748342][ T72] inet6_addr_add+0x30e/0xa40 [ 3272.748342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.748342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.748342][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.748342][ T72] netlink_unicast+0x449/0x710 [ 3272.748342][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.748342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.748342][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.748342][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.748342][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.748342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.748342][ T72] [ 3272.750343][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3272.750343][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.750343][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.750343][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.750343][ T72] ip6_route_add+0x1c/0x140 [ 3272.750343][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3272.750343][ T72] addrconf_add_dev+0xe2/0x170 [ 3272.750343][ T72] inet6_addr_add+0x12f/0xa40 [ 3272.750343][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.750343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.750343][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.750343][ T72] netlink_unicast+0x449/0x710 [ 3272.750343][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.750343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.750343][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.750343][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.750343][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.750343][ T72] [ 3272.752300][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3272.752300][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3272.752300][ T72] ipv6_find_idev+0x102/0x170 [ 3272.752300][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3272.752300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.752300][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.752300][ T72] netlink_unicast+0x449/0x710 [ 3272.752300][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.752300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.752300][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.752300][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.752300][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.752300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.752300][ T72] [ 3272.753880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3272.753880][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3272.753880][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3272.753880][ T72] ipv6_find_idev+0x102/0x170 [ 3272.753880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3272.753880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.753880][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.753880][ T72] netlink_unicast+0x449/0x710 [ 3272.753880][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.753880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.753880][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.753880][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.753880][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.753880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.753880][ T72] [ 3272.755683][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3272.755954][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3272.755954][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3272.755954][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3272.755954][ T72] fib6_nh_init+0xa22/0x1580 [ 3272.755954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.755954][ T72] ip6_route_add+0x1c/0x140 [ 3272.755954][ T72] inet6_rtm_newroute+0x104/0x110 [ 3272.755954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.755954][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.755954][ T72] netlink_unicast+0x449/0x710 [ 3272.755954][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.755954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.755954][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.755954][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.755954][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.755954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.755954][ T72] [ 3272.758142][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3272.758142][ T72] dst_init+0x84/0x4a0 [ 3272.758142][ T72] dst_alloc+0x97/0x150 [ 3272.758142][ T72] ip6_dst_alloc+0x23/0x90 [ 3272.758142][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3272.758142][ T72] ip6_pol_route+0x56f/0x840 [ 3272.758142][ T72] fib6_rule_lookup+0x456/0x630 [ 3272.758142][ T72] ip6_route_input+0x59c/0xa50 [ 3272.758142][ T72] ipv6_rcv+0x397/0x810 [ 3272.758142][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3272.758142][ T72] process_backlog+0x101/0x620 [ 3272.758142][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3272.758142][ T72] net_rx_action+0x495/0xbe0 [ 3272.758142][ T72] __do_softirq+0x1b5/0x7f6 [ 3272.758142][ T72] [ 3272.759931][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3272.759931][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.759931][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.759931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.759931][ T72] ip6_route_add+0x1c/0x140 [ 3272.759931][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3272.759931][ T72] inet6_addr_add+0x4f8/0xa40 [ 3272.759931][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.759931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.759931][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.759931][ T72] netlink_unicast+0x449/0x710 [ 3272.759931][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.759931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.759931][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.759931][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.759931][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.759931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.759931][ T72] [ 3272.762191][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3272.762191][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.762191][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.762191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.762191][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3272.762191][ T72] ipv6_add_addr+0x411/0x2000 [ 3272.762191][ T72] inet6_addr_add+0x30e/0xa40 [ 3272.762191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.762191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.762191][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.762191][ T72] netlink_unicast+0x449/0x710 [ 3272.762191][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.762191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.762191][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.762191][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.762191][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.762191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.762191][ T72] [ 3272.764380][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3272.764380][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.764380][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.764380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.764380][ T72] ip6_route_add+0x1c/0x140 [ 3272.764380][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3272.764380][ T72] addrconf_add_dev+0xe2/0x170 [ 3272.764380][ T72] inet6_addr_add+0x12f/0xa40 [ 3272.764380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.764380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.764380][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.764380][ T72] netlink_unicast+0x449/0x710 [ 3272.764380][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.764380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.764380][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.764380][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.764380][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.764380][ T72] [ 3272.766620][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3272.766620][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3272.766620][ T72] ipv6_find_idev+0x102/0x170 [ 3272.766620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3272.766620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.766620][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.766620][ T72] netlink_unicast+0x449/0x710 [ 3272.766620][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.766620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.766620][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.766620][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.766620][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.766620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.766620][ T72] [ 3272.768321][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3272.768321][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3272.768321][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3272.768321][ T72] ipv6_find_idev+0x102/0x170 [ 3272.768321][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3272.768321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.768321][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.768321][ T72] netlink_unicast+0x449/0x710 [ 3272.768321][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.768321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.768321][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.768321][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.768321][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.768321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.768321][ T72] [ 3272.770222][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3272.770560][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3272.770560][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.770560][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.770560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.770560][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3272.770560][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3272.770560][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3272.770560][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3272.770560][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3272.770560][ T72] addrconf_dad_begin+0x310/0x670 [ 3272.770560][ T72] addrconf_dad_work+0x10b/0xab0 [ 3272.770560][ T72] process_one_work+0x84d/0x18a0 [ 3272.770560][ T72] worker_thread+0x587/0xd30 [ 3272.770560][ T72] kthread+0x28a/0x350 [ 3272.770560][ T72] ret_from_fork+0x31/0x70 [ 3272.770560][ T72] ret_from_fork_asm+0x1a/0x30 [ 3272.770560][ T72] [ 3272.772608][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3272.772608][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.772608][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.772608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.772608][ T72] ip6_route_add+0x1c/0x140 [ 3272.772608][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3272.772608][ T72] inet6_addr_add+0x4f8/0xa40 [ 3272.772608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.772608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.772608][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.772608][ T72] netlink_unicast+0x449/0x710 [ 3272.772608][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.772608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.772608][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.772608][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.772608][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.772608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.772608][ T72] [ 3272.774854][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3272.774854][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.774854][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.774854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.774854][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3272.774854][ T72] ipv6_add_addr+0x411/0x2000 [ 3272.774854][ T72] inet6_addr_add+0x30e/0xa40 [ 3272.774854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.774854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.774854][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.774854][ T72] netlink_unicast+0x449/0x710 [ 3272.774854][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.774854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.774854][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.774854][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.774854][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.774854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.774854][ T72] [ 3272.777179][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3272.777179][ T72] netdev_get_by_index+0x5e/0x80 [ 3272.777179][ T72] fib6_nh_init+0x3d8/0x1580 [ 3272.777179][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3272.777179][ T72] ip6_route_add+0x1c/0x140 [ 3272.777179][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3272.777179][ T72] addrconf_add_dev+0xe2/0x170 [ 3272.777179][ T72] inet6_addr_add+0x12f/0xa40 [ 3272.777179][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3272.777179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.777179][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.777179][ T72] netlink_unicast+0x449/0x710 [ 3272.777179][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.777179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.777179][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.777179][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.777179][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.777179][ T72] [ 3272.779428][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3272.779428][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3272.779428][ T72] ipv6_find_idev+0x102/0x170 [ 3272.779428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3272.779428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.779428][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.779428][ T72] netlink_unicast+0x449/0x710 [ 3272.779428][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.779428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.779428][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.779428][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.779428][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.779428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.779428][ T72] [ 3272.781171][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3272.781171][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3272.781171][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3272.781171][ T72] ipv6_find_idev+0x102/0x170 [ 3272.781171][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3272.781171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.781171][ T72] netlink_rcv_skb+0x130/0x360 [ 3272.781171][ T72] netlink_unicast+0x449/0x710 [ 3272.781171][ T72] netlink_sendmsg+0x723/0xbe0 [ 3272.781171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3272.781171][ T72] ___sys_sendmsg+0xee/0x170 [ 3272.781171][ T72] __sys_sendmsg+0xcd/0x170 [ 3272.781171][ T72] do_syscall_64+0xc6/0x1e0 [ 3272.781171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.781171][ T72] [ 3282.888979][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3282.889646][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3282.889646][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3282.889646][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3282.889646][ T72] fib6_nh_init+0xa22/0x1580 [ 3282.889646][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.889646][ T72] ip6_route_add+0x1c/0x140 [ 3282.889646][ T72] inet6_rtm_newroute+0x104/0x110 [ 3282.889646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.889646][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.889646][ T72] netlink_unicast+0x449/0x710 [ 3282.889646][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.889646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.889646][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.889646][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.889646][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.889646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.889646][ T72] [ 3282.891413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3282.891413][ T72] dst_init+0x84/0x4a0 [ 3282.891413][ T72] dst_alloc+0x97/0x150 [ 3282.891413][ T72] ip6_dst_alloc+0x23/0x90 [ 3282.891413][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3282.891413][ T72] ip6_pol_route+0x56f/0x840 [ 3282.891413][ T72] fib6_rule_lookup+0x456/0x630 [ 3282.891413][ T72] ip6_route_input+0x59c/0xa50 [ 3282.891413][ T72] ipv6_rcv+0x397/0x810 [ 3282.891413][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3282.891413][ T72] process_backlog+0x101/0x620 [ 3282.891413][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3282.891413][ T72] net_rx_action+0x495/0xbe0 [ 3282.891413][ T72] __do_softirq+0x1b5/0x7f6 [ 3282.891413][ T72] [ 3282.893118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3282.893118][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.893118][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.893118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.893118][ T72] ip6_route_add+0x1c/0x140 [ 3282.893118][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3282.893118][ T72] inet6_addr_add+0x4f8/0xa40 [ 3282.893118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.893118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.893118][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.893118][ T72] netlink_unicast+0x449/0x710 [ 3282.893118][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.893118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.893118][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.893118][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.893118][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.893118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.893118][ T72] [ 3282.895135][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3282.895135][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.895135][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.895135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.895135][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3282.895135][ T72] ipv6_add_addr+0x411/0x2000 [ 3282.895135][ T72] inet6_addr_add+0x30e/0xa40 [ 3282.895135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.895135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.895135][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.895135][ T72] netlink_unicast+0x449/0x710 [ 3282.895135][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.895135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.895135][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.895135][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.895135][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.895135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.895135][ T72] [ 3282.897161][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3282.897161][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.897161][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.897161][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.897161][ T72] ip6_route_add+0x1c/0x140 [ 3282.897161][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3282.897161][ T72] addrconf_add_dev+0xe2/0x170 [ 3282.897161][ T72] inet6_addr_add+0x12f/0xa40 [ 3282.897161][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.897161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.897161][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.897161][ T72] netlink_unicast+0x449/0x710 [ 3282.897161][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.897161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.897161][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.897161][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.897161][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.897161][ T72] [ 3282.899132][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3282.899132][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3282.899132][ T72] ipv6_find_idev+0x102/0x170 [ 3282.899132][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3282.899132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.899132][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.899132][ T72] netlink_unicast+0x449/0x710 [ 3282.899132][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.899132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.899132][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.899132][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.899132][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.899132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.899132][ T72] [ 3282.900704][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3282.900704][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3282.900704][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3282.900704][ T72] ipv6_find_idev+0x102/0x170 [ 3282.900704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3282.900704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.900704][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.900704][ T72] netlink_unicast+0x449/0x710 [ 3282.900704][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.900704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.900704][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.900704][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.900704][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.900704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.900704][ T72] [ 3282.902436][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3282.902734][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3282.902734][ T72] dst_init+0x84/0x4a0 [ 3282.902734][ T72] dst_alloc+0x97/0x150 [ 3282.902734][ T72] ip6_dst_alloc+0x23/0x90 [ 3282.902734][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3282.902734][ T72] ip6_pol_route+0x56f/0x840 [ 3282.902734][ T72] fib6_rule_lookup+0x456/0x630 [ 3282.902734][ T72] ip6_route_input+0x59c/0xa50 [ 3282.902734][ T72] ipv6_rcv+0x397/0x810 [ 3282.902734][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3282.902734][ T72] process_backlog+0x101/0x620 [ 3282.902734][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3282.902734][ T72] net_rx_action+0x495/0xbe0 [ 3282.902734][ T72] __do_softirq+0x1b5/0x7f6 [ 3282.902734][ T72] [ 3282.904383][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3282.904383][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.904383][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.904383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.904383][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3282.904383][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3282.904383][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3282.904383][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3282.904383][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3282.904383][ T72] addrconf_dad_begin+0x310/0x670 [ 3282.904383][ T72] addrconf_dad_work+0x10b/0xab0 [ 3282.904383][ T72] process_one_work+0x84d/0x18a0 [ 3282.904383][ T72] worker_thread+0x587/0xd30 [ 3282.904383][ T72] kthread+0x28a/0x350 [ 3282.904383][ T72] ret_from_fork+0x31/0x70 [ 3282.904383][ T72] ret_from_fork_asm+0x1a/0x30 [ 3282.904383][ T72] [ 3282.906313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3282.906313][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.906313][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.906313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.906313][ T72] ip6_route_add+0x1c/0x140 [ 3282.906313][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3282.906313][ T72] inet6_addr_add+0x4f8/0xa40 [ 3282.906313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.906313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.906313][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.906313][ T72] netlink_unicast+0x449/0x710 [ 3282.906313][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.906313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.906313][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.906313][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.906313][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.906313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.906313][ T72] [ 3282.908311][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3282.908311][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.908311][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.908311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.908311][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3282.908311][ T72] ipv6_add_addr+0x411/0x2000 [ 3282.908311][ T72] inet6_addr_add+0x30e/0xa40 [ 3282.908311][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.908311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.908311][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.908311][ T72] netlink_unicast+0x449/0x710 [ 3282.908311][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.908311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.908311][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.908311][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.908311][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.908311][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.908311][ T72] [ 3282.910311][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3282.910311][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.910311][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.910311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.910311][ T72] ip6_route_add+0x1c/0x140 [ 3282.910311][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3282.910311][ T72] addrconf_add_dev+0xe2/0x170 [ 3282.910311][ T72] inet6_addr_add+0x12f/0xa40 [ 3282.910311][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.910311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.910311][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.910311][ T72] netlink_unicast+0x449/0x710 [ 3282.910311][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.910311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.910311][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.910311][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.910311][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.910311][ T72] [ 3282.912275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3282.912275][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3282.912275][ T72] ipv6_find_idev+0x102/0x170 [ 3282.912275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3282.912275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.912275][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.912275][ T72] netlink_unicast+0x449/0x710 [ 3282.912275][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.912275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.912275][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.912275][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.912275][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.912275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.912275][ T72] [ 3282.913824][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3282.913824][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3282.913824][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3282.913824][ T72] ipv6_find_idev+0x102/0x170 [ 3282.913824][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3282.913824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.913824][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.913824][ T72] netlink_unicast+0x449/0x710 [ 3282.913824][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.913824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.913824][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.913824][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.913824][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.913824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.913824][ T72] [ 3282.915615][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3282.915907][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3282.915907][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3282.915907][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3282.915907][ T72] fib6_nh_init+0xa22/0x1580 [ 3282.915907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.915907][ T72] ip6_route_add+0x1c/0x140 [ 3282.915907][ T72] inet6_rtm_newroute+0x104/0x110 [ 3282.915907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.915907][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.915907][ T72] netlink_unicast+0x449/0x710 [ 3282.915907][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.915907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.915907][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.915907][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.915907][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.915907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.915907][ T72] [ 3282.918066][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3282.918066][ T72] dst_init+0x84/0x4a0 [ 3282.918066][ T72] dst_alloc+0x97/0x150 [ 3282.918066][ T72] ip6_dst_alloc+0x23/0x90 [ 3282.918066][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3282.918066][ T72] ip6_pol_route+0x56f/0x840 [ 3282.918066][ T72] fib6_rule_lookup+0x456/0x630 [ 3282.918066][ T72] ip6_route_input+0x59c/0xa50 [ 3282.918066][ T72] ipv6_rcv+0x397/0x810 [ 3282.918066][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3282.918066][ T72] process_backlog+0x101/0x620 [ 3282.918066][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3282.918066][ T72] net_rx_action+0x495/0xbe0 [ 3282.918066][ T72] __do_softirq+0x1b5/0x7f6 [ 3282.918066][ T72] [ 3282.919895][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3282.919895][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.919895][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.919895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.919895][ T72] ip6_route_add+0x1c/0x140 [ 3282.919895][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3282.919895][ T72] inet6_addr_add+0x4f8/0xa40 [ 3282.919895][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.919895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.919895][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.919895][ T72] netlink_unicast+0x449/0x710 [ 3282.919895][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.919895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.919895][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.919895][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.919895][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.919895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.919895][ T72] [ 3282.922129][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3282.922129][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.922129][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.922129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.922129][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3282.922129][ T72] ipv6_add_addr+0x411/0x2000 [ 3282.922129][ T72] inet6_addr_add+0x30e/0xa40 [ 3282.922129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.922129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.922129][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.922129][ T72] netlink_unicast+0x449/0x710 [ 3282.922129][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.922129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.922129][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.922129][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.922129][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.922129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.922129][ T72] [ 3282.924326][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3282.924326][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.924326][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.924326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.924326][ T72] ip6_route_add+0x1c/0x140 [ 3282.924326][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3282.924326][ T72] addrconf_add_dev+0xe2/0x170 [ 3282.924326][ T72] inet6_addr_add+0x12f/0xa40 [ 3282.924326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.924326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.924326][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.924326][ T72] netlink_unicast+0x449/0x710 [ 3282.924326][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.924326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.924326][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.924326][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.924326][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.924326][ T72] [ 3282.926571][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3282.926571][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3282.926571][ T72] ipv6_find_idev+0x102/0x170 [ 3282.926571][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3282.926571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.926571][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.926571][ T72] netlink_unicast+0x449/0x710 [ 3282.926571][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.926571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.926571][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.926571][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.926571][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.926571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.926571][ T72] [ 3282.928309][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3282.928309][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3282.928309][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3282.928309][ T72] ipv6_find_idev+0x102/0x170 [ 3282.928309][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3282.928309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.928309][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.928309][ T72] netlink_unicast+0x449/0x710 [ 3282.928309][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.928309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.928309][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.928309][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.928309][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.928309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.928309][ T72] [ 3282.930185][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3282.930528][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3282.930528][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.930528][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.930528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.930528][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3282.930528][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3282.930528][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3282.930528][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3282.930528][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3282.930528][ T72] addrconf_dad_begin+0x310/0x670 [ 3282.930528][ T72] addrconf_dad_work+0x10b/0xab0 [ 3282.930528][ T72] process_one_work+0x84d/0x18a0 [ 3282.930528][ T72] worker_thread+0x587/0xd30 [ 3282.930528][ T72] kthread+0x28a/0x350 [ 3282.930528][ T72] ret_from_fork+0x31/0x70 [ 3282.930528][ T72] ret_from_fork_asm+0x1a/0x30 [ 3282.930528][ T72] [ 3282.932591][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3282.932591][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.932591][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.932591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.932591][ T72] ip6_route_add+0x1c/0x140 [ 3282.932591][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3282.932591][ T72] inet6_addr_add+0x4f8/0xa40 [ 3282.932591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.932591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.932591][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.932591][ T72] netlink_unicast+0x449/0x710 [ 3282.932591][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.932591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.932591][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.932591][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.932591][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.932591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.932591][ T72] [ 3282.934830][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3282.934830][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.934830][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.934830][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.934830][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3282.934830][ T72] ipv6_add_addr+0x411/0x2000 [ 3282.934830][ T72] inet6_addr_add+0x30e/0xa40 [ 3282.934830][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.934830][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.934830][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.934830][ T72] netlink_unicast+0x449/0x710 [ 3282.934830][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.934830][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.934830][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.934830][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.934830][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.934830][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.934830][ T72] [ 3282.937154][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3282.937154][ T72] netdev_get_by_index+0x5e/0x80 [ 3282.937154][ T72] fib6_nh_init+0x3d8/0x1580 [ 3282.937154][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3282.937154][ T72] ip6_route_add+0x1c/0x140 [ 3282.937154][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3282.937154][ T72] addrconf_add_dev+0xe2/0x170 [ 3282.937154][ T72] inet6_addr_add+0x12f/0xa40 [ 3282.937154][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3282.937154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.937154][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.937154][ T72] netlink_unicast+0x449/0x710 [ 3282.937154][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.937154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.937154][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.937154][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.937154][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.937154][ T72] [ 3282.939339][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3282.939339][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3282.939339][ T72] ipv6_find_idev+0x102/0x170 [ 3282.939339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3282.939339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.939339][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.939339][ T72] netlink_unicast+0x449/0x710 [ 3282.939339][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.939339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.939339][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.939339][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.939339][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.939339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.939339][ T72] [ 3282.941047][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3282.941047][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3282.941047][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3282.941047][ T72] ipv6_find_idev+0x102/0x170 [ 3282.941047][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3282.941047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3282.941047][ T72] netlink_rcv_skb+0x130/0x360 [ 3282.941047][ T72] netlink_unicast+0x449/0x710 [ 3282.941047][ T72] netlink_sendmsg+0x723/0xbe0 [ 3282.941047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3282.941047][ T72] ___sys_sendmsg+0xee/0x170 [ 3282.941047][ T72] __sys_sendmsg+0xcd/0x170 [ 3282.941047][ T72] do_syscall_64+0xc6/0x1e0 [ 3282.941047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3282.941047][ T72] [ 3293.192994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3293.193645][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3293.193645][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3293.193645][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3293.193645][ T72] fib6_nh_init+0xa22/0x1580 [ 3293.193645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.193645][ T72] ip6_route_add+0x1c/0x140 [ 3293.193645][ T72] inet6_rtm_newroute+0x104/0x110 [ 3293.193645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.193645][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.193645][ T72] netlink_unicast+0x449/0x710 [ 3293.193645][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.193645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.193645][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.193645][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.193645][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.193645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.193645][ T72] [ 3293.195470][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3293.195470][ T72] dst_init+0x84/0x4a0 [ 3293.195470][ T72] dst_alloc+0x97/0x150 [ 3293.195470][ T72] ip6_dst_alloc+0x23/0x90 [ 3293.195470][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3293.195470][ T72] ip6_pol_route+0x56f/0x840 [ 3293.195470][ T72] fib6_rule_lookup+0x456/0x630 [ 3293.195470][ T72] ip6_route_input+0x59c/0xa50 [ 3293.195470][ T72] ipv6_rcv+0x397/0x810 [ 3293.195470][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3293.195470][ T72] process_backlog+0x101/0x620 [ 3293.195470][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3293.195470][ T72] net_rx_action+0x495/0xbe0 [ 3293.195470][ T72] __do_softirq+0x1b5/0x7f6 [ 3293.195470][ T72] [ 3293.197066][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3293.197066][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.197066][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.197066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.197066][ T72] ip6_route_add+0x1c/0x140 [ 3293.197066][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3293.197066][ T72] inet6_addr_add+0x4f8/0xa40 [ 3293.197066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.197066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.197066][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.197066][ T72] netlink_unicast+0x449/0x710 [ 3293.197066][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.197066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.197066][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.197066][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.197066][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.197066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.197066][ T72] [ 3293.198978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3293.198978][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.198978][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.198978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.198978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3293.198978][ T72] ipv6_add_addr+0x411/0x2000 [ 3293.198978][ T72] inet6_addr_add+0x30e/0xa40 [ 3293.198978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.198978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.198978][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.198978][ T72] netlink_unicast+0x449/0x710 [ 3293.198978][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.198978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.198978][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.198978][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.198978][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.198978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.198978][ T72] [ 3293.201041][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3293.201041][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.201041][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.201041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.201041][ T72] ip6_route_add+0x1c/0x140 [ 3293.201041][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3293.201041][ T72] addrconf_add_dev+0xe2/0x170 [ 3293.201041][ T72] inet6_addr_add+0x12f/0xa40 [ 3293.201041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.201041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.201041][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.201041][ T72] netlink_unicast+0x449/0x710 [ 3293.201041][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.201041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.201041][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.201041][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.201041][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.201041][ T72] [ 3293.203026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3293.203026][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3293.203026][ T72] ipv6_find_idev+0x102/0x170 [ 3293.203026][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.203026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.203026][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.203026][ T72] netlink_unicast+0x449/0x710 [ 3293.203026][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.203026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.203026][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.203026][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.203026][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.203026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.203026][ T72] [ 3293.204525][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3293.204525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3293.204525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3293.204525][ T72] ipv6_find_idev+0x102/0x170 [ 3293.204525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.204525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.204525][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.204525][ T72] netlink_unicast+0x449/0x710 [ 3293.204525][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.204525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.204525][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.204525][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.204525][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.204525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.204525][ T72] [ 3293.206233][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3293.206507][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3293.206507][ T72] dst_init+0x84/0x4a0 [ 3293.206507][ T72] dst_alloc+0x97/0x150 [ 3293.206507][ T72] ip6_dst_alloc+0x23/0x90 [ 3293.206507][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3293.206507][ T72] ip6_pol_route+0x56f/0x840 [ 3293.206507][ T72] fib6_rule_lookup+0x456/0x630 [ 3293.206507][ T72] ip6_route_input+0x59c/0xa50 [ 3293.206507][ T72] ipv6_rcv+0x397/0x810 [ 3293.206507][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3293.206507][ T72] process_backlog+0x101/0x620 [ 3293.206507][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3293.206507][ T72] net_rx_action+0x495/0xbe0 [ 3293.206507][ T72] __do_softirq+0x1b5/0x7f6 [ 3293.206507][ T72] [ 3293.208161][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3293.208161][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.208161][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.208161][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.208161][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3293.208161][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3293.208161][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3293.208161][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3293.208161][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3293.208161][ T72] addrconf_dad_begin+0x310/0x670 [ 3293.208161][ T72] addrconf_dad_work+0x10b/0xab0 [ 3293.208161][ T72] process_one_work+0x84d/0x18a0 [ 3293.208161][ T72] worker_thread+0x587/0xd30 [ 3293.208161][ T72] kthread+0x28a/0x350 [ 3293.208161][ T72] ret_from_fork+0x31/0x70 [ 3293.208161][ T72] ret_from_fork_asm+0x1a/0x30 [ 3293.208161][ T72] [ 3293.210123][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3293.210123][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.210123][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.210123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.210123][ T72] ip6_route_add+0x1c/0x140 [ 3293.210123][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3293.210123][ T72] inet6_addr_add+0x4f8/0xa40 [ 3293.210123][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.210123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.210123][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.210123][ T72] netlink_unicast+0x449/0x710 [ 3293.210123][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.210123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.210123][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.210123][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.210123][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.210123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.210123][ T72] [ 3293.212599][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3293.212599][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.212599][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.212599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.212599][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3293.212599][ T72] ipv6_add_addr+0x411/0x2000 [ 3293.212599][ T72] inet6_addr_add+0x30e/0xa40 [ 3293.212599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.212599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.212599][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.212599][ T72] netlink_unicast+0x449/0x710 [ 3293.212599][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.212599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.212599][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.212599][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.212599][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.212599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.212599][ T72] [ 3293.214592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3293.214592][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.214592][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.214592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.214592][ T72] ip6_route_add+0x1c/0x140 [ 3293.214592][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3293.214592][ T72] addrconf_add_dev+0xe2/0x170 [ 3293.214592][ T72] inet6_addr_add+0x12f/0xa40 [ 3293.214592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.214592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.214592][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.214592][ T72] netlink_unicast+0x449/0x710 [ 3293.214592][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.214592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.214592][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.214592][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.214592][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.214592][ T72] [ 3293.216530][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3293.216530][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3293.216530][ T72] ipv6_find_idev+0x102/0x170 [ 3293.216530][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.216530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.216530][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.216530][ T72] netlink_unicast+0x449/0x710 [ 3293.216530][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.216530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.216530][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.216530][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.216530][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.216530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.216530][ T72] [ 3293.218069][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3293.218069][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3293.218069][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3293.218069][ T72] ipv6_find_idev+0x102/0x170 [ 3293.218069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.218069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.218069][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.218069][ T72] netlink_unicast+0x449/0x710 [ 3293.218069][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.218069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.218069][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.218069][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.218069][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.218069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.218069][ T72] [ 3293.219905][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3293.220177][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3293.220177][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3293.220177][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3293.220177][ T72] fib6_nh_init+0xa22/0x1580 [ 3293.220177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.220177][ T72] ip6_route_add+0x1c/0x140 [ 3293.220177][ T72] inet6_rtm_newroute+0x104/0x110 [ 3293.220177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.220177][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.220177][ T72] netlink_unicast+0x449/0x710 [ 3293.220177][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.220177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.220177][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.220177][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.220177][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.220177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.220177][ T72] [ 3293.222375][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3293.222375][ T72] dst_init+0x84/0x4a0 [ 3293.222375][ T72] dst_alloc+0x97/0x150 [ 3293.222375][ T72] ip6_dst_alloc+0x23/0x90 [ 3293.222375][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3293.222375][ T72] ip6_pol_route+0x56f/0x840 [ 3293.222375][ T72] fib6_rule_lookup+0x456/0x630 [ 3293.222375][ T72] ip6_route_input+0x59c/0xa50 [ 3293.222375][ T72] ipv6_rcv+0x397/0x810 [ 3293.222375][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3293.222375][ T72] process_backlog+0x101/0x620 [ 3293.222375][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3293.222375][ T72] net_rx_action+0x495/0xbe0 [ 3293.222375][ T72] __do_softirq+0x1b5/0x7f6 [ 3293.222375][ T72] [ 3293.224221][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3293.224221][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.224221][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.224221][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.224221][ T72] ip6_route_add+0x1c/0x140 [ 3293.224221][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3293.224221][ T72] inet6_addr_add+0x4f8/0xa40 [ 3293.224221][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.224221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.224221][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.224221][ T72] netlink_unicast+0x449/0x710 [ 3293.224221][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.224221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.224221][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.224221][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.224221][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.224221][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.224221][ T72] [ 3293.226443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3293.226443][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.226443][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.226443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.226443][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3293.226443][ T72] ipv6_add_addr+0x411/0x2000 [ 3293.226443][ T72] inet6_addr_add+0x30e/0xa40 [ 3293.226443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.226443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.226443][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.226443][ T72] netlink_unicast+0x449/0x710 [ 3293.226443][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.226443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.226443][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.226443][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.226443][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.226443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.226443][ T72] [ 3293.228596][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3293.228596][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.228596][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.228596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.228596][ T72] ip6_route_add+0x1c/0x140 [ 3293.228596][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3293.228596][ T72] addrconf_add_dev+0xe2/0x170 [ 3293.228596][ T72] inet6_addr_add+0x12f/0xa40 [ 3293.228596][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.228596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.228596][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.228596][ T72] netlink_unicast+0x449/0x710 [ 3293.228596][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.228596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.228596][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.228596][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.228596][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.228596][ T72] [ 3293.231258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3293.231258][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3293.231258][ T72] ipv6_find_idev+0x102/0x170 [ 3293.231258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.231258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.231258][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.231258][ T72] netlink_unicast+0x449/0x710 [ 3293.231258][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.231258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.231258][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.231258][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.231258][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.231258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.231258][ T72] [ 3293.233000][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3293.233000][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3293.233000][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3293.233000][ T72] ipv6_find_idev+0x102/0x170 [ 3293.233000][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.233000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.233000][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.233000][ T72] netlink_unicast+0x449/0x710 [ 3293.233000][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.233000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.233000][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.233000][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.233000][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.233000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.233000][ T72] [ 3293.234855][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3293.235213][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3293.235213][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.235213][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.235213][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.235213][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3293.235213][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3293.235213][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3293.235213][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3293.235213][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3293.235213][ T72] addrconf_dad_begin+0x310/0x670 [ 3293.235213][ T72] addrconf_dad_work+0x10b/0xab0 [ 3293.235213][ T72] process_one_work+0x84d/0x18a0 [ 3293.235213][ T72] worker_thread+0x587/0xd30 [ 3293.235213][ T72] kthread+0x28a/0x350 [ 3293.235213][ T72] ret_from_fork+0x31/0x70 [ 3293.235213][ T72] ret_from_fork_asm+0x1a/0x30 [ 3293.235213][ T72] [ 3293.237241][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3293.237241][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.237241][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.237241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.237241][ T72] ip6_route_add+0x1c/0x140 [ 3293.237241][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3293.237241][ T72] inet6_addr_add+0x4f8/0xa40 [ 3293.237241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.237241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.237241][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.237241][ T72] netlink_unicast+0x449/0x710 [ 3293.237241][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.237241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.237241][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.237241][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.237241][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.237241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.237241][ T72] [ 3293.239488][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3293.239488][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.239488][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.239488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.239488][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3293.239488][ T72] ipv6_add_addr+0x411/0x2000 [ 3293.239488][ T72] inet6_addr_add+0x30e/0xa40 [ 3293.239488][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.239488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.239488][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.239488][ T72] netlink_unicast+0x449/0x710 [ 3293.239488][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.239488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.239488][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.239488][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.239488][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.239488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.239488][ T72] [ 3293.241788][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3293.241788][ T72] netdev_get_by_index+0x5e/0x80 [ 3293.241788][ T72] fib6_nh_init+0x3d8/0x1580 [ 3293.241788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3293.241788][ T72] ip6_route_add+0x1c/0x140 [ 3293.241788][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3293.241788][ T72] addrconf_add_dev+0xe2/0x170 [ 3293.241788][ T72] inet6_addr_add+0x12f/0xa40 [ 3293.241788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.241788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.241788][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.241788][ T72] netlink_unicast+0x449/0x710 [ 3293.241788][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.241788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.241788][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.241788][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.241788][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.241788][ T72] [ 3293.244046][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3293.244046][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3293.244046][ T72] ipv6_find_idev+0x102/0x170 [ 3293.244046][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.244046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.244046][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.244046][ T72] netlink_unicast+0x449/0x710 [ 3293.244046][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.244046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.244046][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.244046][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.244046][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.244046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.244046][ T72] [ 3293.245771][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3293.245771][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3293.245771][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3293.245771][ T72] ipv6_find_idev+0x102/0x170 [ 3293.245771][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.245771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.245771][ T72] netlink_rcv_skb+0x130/0x360 [ 3293.245771][ T72] netlink_unicast+0x449/0x710 [ 3293.245771][ T72] netlink_sendmsg+0x723/0xbe0 [ 3293.245771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3293.245771][ T72] ___sys_sendmsg+0xee/0x170 [ 3293.245771][ T72] __sys_sendmsg+0xcd/0x170 [ 3293.245771][ T72] do_syscall_64+0xc6/0x1e0 [ 3293.245771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.245771][ T72] [ 3303.265005][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3303.265541][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3303.265541][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3303.265541][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3303.265541][ T72] fib6_nh_init+0xa22/0x1580 [ 3303.265541][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.265541][ T72] ip6_route_add+0x1c/0x140 [ 3303.265541][ T72] inet6_rtm_newroute+0x104/0x110 [ 3303.265541][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.265541][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.265541][ T72] netlink_unicast+0x449/0x710 [ 3303.265541][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.265541][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.265541][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.265541][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.265541][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.265541][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.265541][ T72] [ 3303.267408][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3303.267408][ T72] dst_init+0x84/0x4a0 [ 3303.267408][ T72] dst_alloc+0x97/0x150 [ 3303.267408][ T72] ip6_dst_alloc+0x23/0x90 [ 3303.267408][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3303.267408][ T72] ip6_pol_route+0x56f/0x840 [ 3303.267408][ T72] fib6_rule_lookup+0x456/0x630 [ 3303.267408][ T72] ip6_route_input+0x59c/0xa50 [ 3303.267408][ T72] ipv6_rcv+0x397/0x810 [ 3303.267408][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3303.267408][ T72] process_backlog+0x101/0x620 [ 3303.267408][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3303.267408][ T72] net_rx_action+0x495/0xbe0 [ 3303.267408][ T72] __do_softirq+0x1b5/0x7f6 [ 3303.267408][ T72] [ 3303.269059][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3303.269059][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.269059][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.269059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.269059][ T72] ip6_route_add+0x1c/0x140 [ 3303.269059][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3303.269059][ T72] inet6_addr_add+0x4f8/0xa40 [ 3303.269059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.269059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.269059][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.269059][ T72] netlink_unicast+0x449/0x710 [ 3303.269059][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.269059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.269059][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.269059][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.269059][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.269059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.269059][ T72] [ 3303.270971][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3303.270971][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.270971][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.270971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.270971][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3303.270971][ T72] ipv6_add_addr+0x411/0x2000 [ 3303.270971][ T72] inet6_addr_add+0x30e/0xa40 [ 3303.270971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.270971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.270971][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.270971][ T72] netlink_unicast+0x449/0x710 [ 3303.270971][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.270971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.270971][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.270971][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.270971][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.270971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.270971][ T72] [ 3303.272987][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3303.272987][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.272987][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.272987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.272987][ T72] ip6_route_add+0x1c/0x140 [ 3303.272987][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3303.272987][ T72] addrconf_add_dev+0xe2/0x170 [ 3303.272987][ T72] inet6_addr_add+0x12f/0xa40 [ 3303.272987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.272987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.272987][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.272987][ T72] netlink_unicast+0x449/0x710 [ 3303.272987][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.272987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.272987][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.272987][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.272987][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.272987][ T72] [ 3303.274881][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3303.274881][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3303.274881][ T72] ipv6_find_idev+0x102/0x170 [ 3303.274881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.274881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.274881][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.274881][ T72] netlink_unicast+0x449/0x710 [ 3303.274881][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.274881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.274881][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.274881][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.274881][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.274881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.274881][ T72] [ 3303.276316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3303.276316][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3303.276316][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3303.276316][ T72] ipv6_find_idev+0x102/0x170 [ 3303.276316][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.276316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.276316][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.276316][ T72] netlink_unicast+0x449/0x710 [ 3303.276316][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.276316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.276316][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.276316][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.276316][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.276316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.276316][ T72] [ 3303.278020][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3303.278295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3303.278295][ T72] dst_init+0x84/0x4a0 [ 3303.278295][ T72] dst_alloc+0x97/0x150 [ 3303.278295][ T72] ip6_dst_alloc+0x23/0x90 [ 3303.278295][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3303.278295][ T72] ip6_pol_route+0x56f/0x840 [ 3303.278295][ T72] fib6_rule_lookup+0x456/0x630 [ 3303.278295][ T72] ip6_route_input+0x59c/0xa50 [ 3303.278295][ T72] ipv6_rcv+0x397/0x810 [ 3303.278295][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3303.278295][ T72] process_backlog+0x101/0x620 [ 3303.278295][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3303.278295][ T72] net_rx_action+0x495/0xbe0 [ 3303.278295][ T72] __do_softirq+0x1b5/0x7f6 [ 3303.278295][ T72] [ 3303.279945][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3303.279945][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.279945][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.279945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.279945][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3303.279945][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3303.279945][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3303.279945][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3303.279945][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3303.279945][ T72] addrconf_dad_begin+0x310/0x670 [ 3303.279945][ T72] addrconf_dad_work+0x10b/0xab0 [ 3303.279945][ T72] process_one_work+0x84d/0x18a0 [ 3303.279945][ T72] worker_thread+0x587/0xd30 [ 3303.279945][ T72] kthread+0x28a/0x350 [ 3303.279945][ T72] ret_from_fork+0x31/0x70 [ 3303.279945][ T72] ret_from_fork_asm+0x1a/0x30 [ 3303.279945][ T72] [ 3303.281888][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3303.281888][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.281888][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.281888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.281888][ T72] ip6_route_add+0x1c/0x140 [ 3303.281888][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3303.281888][ T72] inet6_addr_add+0x4f8/0xa40 [ 3303.281888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.281888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.281888][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.281888][ T72] netlink_unicast+0x449/0x710 [ 3303.281888][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.281888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.281888][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.281888][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.281888][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.281888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.281888][ T72] [ 3303.283852][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3303.283852][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.283852][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.283852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.283852][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3303.283852][ T72] ipv6_add_addr+0x411/0x2000 [ 3303.283852][ T72] inet6_addr_add+0x30e/0xa40 [ 3303.283852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.283852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.283852][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.283852][ T72] netlink_unicast+0x449/0x710 [ 3303.283852][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.283852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.283852][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.283852][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.283852][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.283852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.283852][ T72] [ 3303.285796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3303.285796][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.285796][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.285796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.285796][ T72] ip6_route_add+0x1c/0x140 [ 3303.285796][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3303.285796][ T72] addrconf_add_dev+0xe2/0x170 [ 3303.285796][ T72] inet6_addr_add+0x12f/0xa40 [ 3303.285796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.285796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.285796][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.285796][ T72] netlink_unicast+0x449/0x710 [ 3303.285796][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.285796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.285796][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.285796][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.285796][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.285796][ T72] [ 3303.287692][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3303.287692][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3303.287692][ T72] ipv6_find_idev+0x102/0x170 [ 3303.287692][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.287692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.287692][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.287692][ T72] netlink_unicast+0x449/0x710 [ 3303.287692][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.287692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.287692][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.287692][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.287692][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.287692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.287692][ T72] [ 3303.289241][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3303.289241][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3303.289241][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3303.289241][ T72] ipv6_find_idev+0x102/0x170 [ 3303.289241][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.289241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.289241][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.289241][ T72] netlink_unicast+0x449/0x710 [ 3303.289241][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.289241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.289241][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.289241][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.289241][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.289241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.289241][ T72] [ 3303.291003][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3303.291287][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3303.291287][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3303.291287][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3303.291287][ T72] fib6_nh_init+0xa22/0x1580 [ 3303.291287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.291287][ T72] ip6_route_add+0x1c/0x140 [ 3303.291287][ T72] inet6_rtm_newroute+0x104/0x110 [ 3303.291287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.291287][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.291287][ T72] netlink_unicast+0x449/0x710 [ 3303.291287][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.291287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.291287][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.291287][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.291287][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.291287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.291287][ T72] [ 3303.293587][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3303.293587][ T72] dst_init+0x84/0x4a0 [ 3303.293587][ T72] dst_alloc+0x97/0x150 [ 3303.293587][ T72] ip6_dst_alloc+0x23/0x90 [ 3303.293587][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3303.293587][ T72] ip6_pol_route+0x56f/0x840 [ 3303.293587][ T72] fib6_rule_lookup+0x456/0x630 [ 3303.293587][ T72] ip6_route_input+0x59c/0xa50 [ 3303.293587][ T72] ipv6_rcv+0x397/0x810 [ 3303.293587][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3303.293587][ T72] process_backlog+0x101/0x620 [ 3303.293587][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3303.293587][ T72] net_rx_action+0x495/0xbe0 [ 3303.293587][ T72] __do_softirq+0x1b5/0x7f6 [ 3303.293587][ T72] [ 3303.295422][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3303.295422][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.295422][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.295422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.295422][ T72] ip6_route_add+0x1c/0x140 [ 3303.295422][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3303.295422][ T72] inet6_addr_add+0x4f8/0xa40 [ 3303.295422][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.295422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.295422][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.295422][ T72] netlink_unicast+0x449/0x710 [ 3303.295422][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.295422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.295422][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.295422][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.295422][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.295422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.295422][ T72] [ 3303.297667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3303.297667][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.297667][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.297667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.297667][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3303.297667][ T72] ipv6_add_addr+0x411/0x2000 [ 3303.297667][ T72] inet6_addr_add+0x30e/0xa40 [ 3303.297667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.297667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.297667][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.297667][ T72] netlink_unicast+0x449/0x710 [ 3303.297667][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.297667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.297667][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.297667][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.297667][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.297667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.297667][ T72] [ 3303.299879][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3303.299879][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.299879][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.299879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.299879][ T72] ip6_route_add+0x1c/0x140 [ 3303.299879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3303.299879][ T72] addrconf_add_dev+0xe2/0x170 [ 3303.299879][ T72] inet6_addr_add+0x12f/0xa40 [ 3303.299879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.299879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.299879][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.299879][ T72] netlink_unicast+0x449/0x710 [ 3303.299879][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.299879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.299879][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.299879][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.299879][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.299879][ T72] [ 3303.302134][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3303.302134][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3303.302134][ T72] ipv6_find_idev+0x102/0x170 [ 3303.302134][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.302134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.302134][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.302134][ T72] netlink_unicast+0x449/0x710 [ 3303.302134][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.302134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.302134][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.302134][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.302134][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.302134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.302134][ T72] [ 3303.303879][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3303.303879][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3303.303879][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3303.303879][ T72] ipv6_find_idev+0x102/0x170 [ 3303.303879][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.303879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.303879][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.303879][ T72] netlink_unicast+0x449/0x710 [ 3303.303879][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.303879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.303879][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.303879][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.303879][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.303879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.303879][ T72] [ 3303.305760][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3303.306186][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3303.306186][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.306186][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.306186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.306186][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3303.306186][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3303.306186][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3303.306186][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3303.306186][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3303.306186][ T72] addrconf_dad_begin+0x310/0x670 [ 3303.306186][ T72] addrconf_dad_work+0x10b/0xab0 [ 3303.306186][ T72] process_one_work+0x84d/0x18a0 [ 3303.306186][ T72] worker_thread+0x587/0xd30 [ 3303.306186][ T72] kthread+0x28a/0x350 [ 3303.306186][ T72] ret_from_fork+0x31/0x70 [ 3303.306186][ T72] ret_from_fork_asm+0x1a/0x30 [ 3303.306186][ T72] [ 3303.308218][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3303.308218][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.308218][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.308218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.308218][ T72] ip6_route_add+0x1c/0x140 [ 3303.308218][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3303.308218][ T72] inet6_addr_add+0x4f8/0xa40 [ 3303.308218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.308218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.308218][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.308218][ T72] netlink_unicast+0x449/0x710 [ 3303.308218][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.308218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.308218][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.308218][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.308218][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.308218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.308218][ T72] [ 3303.310430][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3303.310430][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.310430][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.310430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.310430][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3303.310430][ T72] ipv6_add_addr+0x411/0x2000 [ 3303.310430][ T72] inet6_addr_add+0x30e/0xa40 [ 3303.310430][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.310430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.310430][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.310430][ T72] netlink_unicast+0x449/0x710 [ 3303.310430][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.310430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.310430][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.310430][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.310430][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.310430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.310430][ T72] [ 3303.312755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3303.312755][ T72] netdev_get_by_index+0x5e/0x80 [ 3303.312755][ T72] fib6_nh_init+0x3d8/0x1580 [ 3303.312755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3303.312755][ T72] ip6_route_add+0x1c/0x140 [ 3303.312755][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3303.312755][ T72] addrconf_add_dev+0xe2/0x170 [ 3303.312755][ T72] inet6_addr_add+0x12f/0xa40 [ 3303.312755][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.312755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.312755][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.312755][ T72] netlink_unicast+0x449/0x710 [ 3303.312755][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.312755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.312755][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.312755][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.312755][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.312755][ T72] [ 3303.314926][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3303.314926][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3303.314926][ T72] ipv6_find_idev+0x102/0x170 [ 3303.314926][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.314926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.314926][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.314926][ T72] netlink_unicast+0x449/0x710 [ 3303.314926][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.314926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.314926][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.314926][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.314926][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.314926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.314926][ T72] [ 3303.316703][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3303.316703][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3303.316703][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3303.316703][ T72] ipv6_find_idev+0x102/0x170 [ 3303.316703][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.316703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.316703][ T72] netlink_rcv_skb+0x130/0x360 [ 3303.316703][ T72] netlink_unicast+0x449/0x710 [ 3303.316703][ T72] netlink_sendmsg+0x723/0xbe0 [ 3303.316703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3303.316703][ T72] ___sys_sendmsg+0xee/0x170 [ 3303.316703][ T72] __sys_sendmsg+0xcd/0x170 [ 3303.316703][ T72] do_syscall_64+0xc6/0x1e0 [ 3303.316703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.316703][ T72] [ 3313.496983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3313.497669][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3313.497669][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3313.497669][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3313.497669][ T72] fib6_nh_init+0xa22/0x1580 [ 3313.497669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.497669][ T72] ip6_route_add+0x1c/0x140 [ 3313.497669][ T72] inet6_rtm_newroute+0x104/0x110 [ 3313.497669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.497669][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.497669][ T72] netlink_unicast+0x449/0x710 [ 3313.497669][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.497669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.497669][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.497669][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.497669][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.497669][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.497669][ T72] [ 3313.499573][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3313.499573][ T72] dst_init+0x84/0x4a0 [ 3313.499573][ T72] dst_alloc+0x97/0x150 [ 3313.499573][ T72] ip6_dst_alloc+0x23/0x90 [ 3313.499573][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3313.499573][ T72] ip6_pol_route+0x56f/0x840 [ 3313.499573][ T72] fib6_rule_lookup+0x456/0x630 [ 3313.499573][ T72] ip6_route_input+0x59c/0xa50 [ 3313.499573][ T72] ipv6_rcv+0x397/0x810 [ 3313.499573][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3313.499573][ T72] process_backlog+0x101/0x620 [ 3313.499573][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3313.499573][ T72] net_rx_action+0x495/0xbe0 [ 3313.499573][ T72] __do_softirq+0x1b5/0x7f6 [ 3313.499573][ T72] [ 3313.501105][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3313.501105][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.501105][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.501105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.501105][ T72] ip6_route_add+0x1c/0x140 [ 3313.501105][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3313.501105][ T72] inet6_addr_add+0x4f8/0xa40 [ 3313.501105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.501105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.501105][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.501105][ T72] netlink_unicast+0x449/0x710 [ 3313.501105][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.501105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.501105][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.501105][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.501105][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.501105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.501105][ T72] [ 3313.503047][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3313.503047][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.503047][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.503047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.503047][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3313.503047][ T72] ipv6_add_addr+0x411/0x2000 [ 3313.503047][ T72] inet6_addr_add+0x30e/0xa40 [ 3313.503047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.503047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.503047][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.503047][ T72] netlink_unicast+0x449/0x710 [ 3313.503047][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.503047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.503047][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.503047][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.503047][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.503047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.503047][ T72] [ 3313.504966][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3313.504966][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.504966][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.504966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.504966][ T72] ip6_route_add+0x1c/0x140 [ 3313.504966][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3313.504966][ T72] addrconf_add_dev+0xe2/0x170 [ 3313.504966][ T72] inet6_addr_add+0x12f/0xa40 [ 3313.504966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.504966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.504966][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.504966][ T72] netlink_unicast+0x449/0x710 [ 3313.504966][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.504966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.504966][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.504966][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.504966][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.504966][ T72] [ 3313.506829][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3313.506829][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3313.506829][ T72] ipv6_find_idev+0x102/0x170 [ 3313.506829][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.506829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.506829][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.506829][ T72] netlink_unicast+0x449/0x710 [ 3313.506829][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.506829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.506829][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.506829][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.506829][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.506829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.506829][ T72] [ 3313.508336][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3313.508336][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3313.508336][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3313.508336][ T72] ipv6_find_idev+0x102/0x170 [ 3313.508336][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.508336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.508336][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.508336][ T72] netlink_unicast+0x449/0x710 [ 3313.508336][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.508336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.508336][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.508336][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.508336][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.508336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.508336][ T72] [ 3313.510006][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3313.510308][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3313.510308][ T72] dst_init+0x84/0x4a0 [ 3313.510308][ T72] dst_alloc+0x97/0x150 [ 3313.510308][ T72] ip6_dst_alloc+0x23/0x90 [ 3313.510308][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3313.510308][ T72] ip6_pol_route+0x56f/0x840 [ 3313.510308][ T72] fib6_rule_lookup+0x456/0x630 [ 3313.510308][ T72] ip6_route_input+0x59c/0xa50 [ 3313.510308][ T72] ipv6_rcv+0x397/0x810 [ 3313.510308][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3313.510308][ T72] process_backlog+0x101/0x620 [ 3313.510308][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3313.510308][ T72] net_rx_action+0x495/0xbe0 [ 3313.510308][ T72] __do_softirq+0x1b5/0x7f6 [ 3313.510308][ T72] [ 3313.511958][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3313.511958][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.511958][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.511958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.511958][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3313.511958][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3313.511958][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3313.511958][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3313.511958][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3313.511958][ T72] addrconf_dad_begin+0x310/0x670 [ 3313.511958][ T72] addrconf_dad_work+0x10b/0xab0 [ 3313.511958][ T72] process_one_work+0x84d/0x18a0 [ 3313.511958][ T72] worker_thread+0x587/0xd30 [ 3313.511958][ T72] kthread+0x28a/0x350 [ 3313.511958][ T72] ret_from_fork+0x31/0x70 [ 3313.511958][ T72] ret_from_fork_asm+0x1a/0x30 [ 3313.511958][ T72] [ 3313.513908][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3313.513908][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.513908][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.513908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.513908][ T72] ip6_route_add+0x1c/0x140 [ 3313.513908][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3313.513908][ T72] inet6_addr_add+0x4f8/0xa40 [ 3313.513908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.513908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.513908][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.513908][ T72] netlink_unicast+0x449/0x710 [ 3313.513908][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.513908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.513908][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.513908][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.513908][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.513908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.513908][ T72] [ 3313.515894][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3313.515894][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.515894][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.515894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.515894][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3313.515894][ T72] ipv6_add_addr+0x411/0x2000 [ 3313.515894][ T72] inet6_addr_add+0x30e/0xa40 [ 3313.515894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.515894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.515894][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.515894][ T72] netlink_unicast+0x449/0x710 [ 3313.515894][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.515894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.515894][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.515894][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.515894][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.515894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.515894][ T72] [ 3313.517831][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3313.517831][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.517831][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.517831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.517831][ T72] ip6_route_add+0x1c/0x140 [ 3313.517831][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3313.517831][ T72] addrconf_add_dev+0xe2/0x170 [ 3313.517831][ T72] inet6_addr_add+0x12f/0xa40 [ 3313.517831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.517831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.517831][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.517831][ T72] netlink_unicast+0x449/0x710 [ 3313.517831][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.517831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.517831][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.517831][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.517831][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.517831][ T72] [ 3313.519893][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3313.519893][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3313.519893][ T72] ipv6_find_idev+0x102/0x170 [ 3313.519893][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.519893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.519893][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.519893][ T72] netlink_unicast+0x449/0x710 [ 3313.519893][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.519893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.519893][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.519893][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.519893][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.519893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.519893][ T72] [ 3313.521438][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3313.521438][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3313.521438][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3313.521438][ T72] ipv6_find_idev+0x102/0x170 [ 3313.521438][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.521438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.521438][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.521438][ T72] netlink_unicast+0x449/0x710 [ 3313.521438][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.521438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.521438][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.521438][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.521438][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.521438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.521438][ T72] [ 3313.523259][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3313.523528][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3313.523528][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3313.523528][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3313.523528][ T72] fib6_nh_init+0xa22/0x1580 [ 3313.523528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.523528][ T72] ip6_route_add+0x1c/0x140 [ 3313.523528][ T72] inet6_rtm_newroute+0x104/0x110 [ 3313.523528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.523528][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.523528][ T72] netlink_unicast+0x449/0x710 [ 3313.523528][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.523528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.523528][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.523528][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.523528][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.523528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.523528][ T72] [ 3313.525725][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3313.525725][ T72] dst_init+0x84/0x4a0 [ 3313.525725][ T72] dst_alloc+0x97/0x150 [ 3313.525725][ T72] ip6_dst_alloc+0x23/0x90 [ 3313.525725][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3313.525725][ T72] ip6_pol_route+0x56f/0x840 [ 3313.525725][ T72] fib6_rule_lookup+0x456/0x630 [ 3313.525725][ T72] ip6_route_input+0x59c/0xa50 [ 3313.525725][ T72] ipv6_rcv+0x397/0x810 [ 3313.525725][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3313.525725][ T72] process_backlog+0x101/0x620 [ 3313.525725][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3313.525725][ T72] net_rx_action+0x495/0xbe0 [ 3313.525725][ T72] __do_softirq+0x1b5/0x7f6 [ 3313.525725][ T72] [ 3313.527537][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3313.527537][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.527537][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.527537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.527537][ T72] ip6_route_add+0x1c/0x140 [ 3313.527537][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3313.527537][ T72] inet6_addr_add+0x4f8/0xa40 [ 3313.527537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.527537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.527537][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.527537][ T72] netlink_unicast+0x449/0x710 [ 3313.527537][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.527537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.527537][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.527537][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.527537][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.527537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.527537][ T72] [ 3313.529789][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3313.529789][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.529789][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.529789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.529789][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3313.529789][ T72] ipv6_add_addr+0x411/0x2000 [ 3313.529789][ T72] inet6_addr_add+0x30e/0xa40 [ 3313.529789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.529789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.529789][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.529789][ T72] netlink_unicast+0x449/0x710 [ 3313.529789][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.529789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.529789][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.529789][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.529789][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.529789][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.529789][ T72] [ 3313.531978][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3313.531978][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.531978][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.531978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.531978][ T72] ip6_route_add+0x1c/0x140 [ 3313.531978][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3313.531978][ T72] addrconf_add_dev+0xe2/0x170 [ 3313.531978][ T72] inet6_addr_add+0x12f/0xa40 [ 3313.531978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.531978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.531978][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.531978][ T72] netlink_unicast+0x449/0x710 [ 3313.531978][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.531978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.531978][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.531978][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.531978][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.531978][ T72] [ 3313.534271][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3313.534271][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3313.534271][ T72] ipv6_find_idev+0x102/0x170 [ 3313.534271][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.534271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.534271][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.534271][ T72] netlink_unicast+0x449/0x710 [ 3313.534271][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.534271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.534271][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.534271][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.534271][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.534271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.534271][ T72] [ 3313.536006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3313.536006][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3313.536006][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3313.536006][ T72] ipv6_find_idev+0x102/0x170 [ 3313.536006][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.536006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.536006][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.536006][ T72] netlink_unicast+0x449/0x710 [ 3313.536006][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.536006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.536006][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.536006][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.536006][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.536006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.536006][ T72] [ 3313.537876][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3313.538219][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3313.538219][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.538219][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.538219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.538219][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3313.538219][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3313.538219][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3313.538219][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3313.538219][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3313.538219][ T72] addrconf_dad_begin+0x310/0x670 [ 3313.538219][ T72] addrconf_dad_work+0x10b/0xab0 [ 3313.538219][ T72] process_one_work+0x84d/0x18a0 [ 3313.538219][ T72] worker_thread+0x587/0xd30 [ 3313.538219][ T72] kthread+0x28a/0x350 [ 3313.538219][ T72] ret_from_fork+0x31/0x70 [ 3313.538219][ T72] ret_from_fork_asm+0x1a/0x30 [ 3313.538219][ T72] [ 3313.540229][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3313.540229][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.540229][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.540229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.540229][ T72] ip6_route_add+0x1c/0x140 [ 3313.540229][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3313.540229][ T72] inet6_addr_add+0x4f8/0xa40 [ 3313.540229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.540229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.540229][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.540229][ T72] netlink_unicast+0x449/0x710 [ 3313.540229][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.540229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.540229][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.540229][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.540229][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.540229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.540229][ T72] [ 3313.542501][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3313.542501][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.542501][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.542501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.542501][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3313.542501][ T72] ipv6_add_addr+0x411/0x2000 [ 3313.542501][ T72] inet6_addr_add+0x30e/0xa40 [ 3313.542501][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.542501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.542501][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.542501][ T72] netlink_unicast+0x449/0x710 [ 3313.542501][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.542501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.542501][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.542501][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.542501][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.542501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.542501][ T72] [ 3313.544833][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3313.544833][ T72] netdev_get_by_index+0x5e/0x80 [ 3313.544833][ T72] fib6_nh_init+0x3d8/0x1580 [ 3313.544833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3313.544833][ T72] ip6_route_add+0x1c/0x140 [ 3313.544833][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3313.544833][ T72] addrconf_add_dev+0xe2/0x170 [ 3313.544833][ T72] inet6_addr_add+0x12f/0xa40 [ 3313.544833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.544833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.544833][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.544833][ T72] netlink_unicast+0x449/0x710 [ 3313.544833][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.544833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.544833][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.544833][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.544833][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.544833][ T72] [ 3313.547053][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3313.547053][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3313.547053][ T72] ipv6_find_idev+0x102/0x170 [ 3313.547053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.547053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.547053][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.547053][ T72] netlink_unicast+0x449/0x710 [ 3313.547053][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.547053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.547053][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.547053][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.547053][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.547053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.547053][ T72] [ 3313.548766][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3313.548766][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3313.548766][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3313.548766][ T72] ipv6_find_idev+0x102/0x170 [ 3313.548766][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.548766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.548766][ T72] netlink_rcv_skb+0x130/0x360 [ 3313.548766][ T72] netlink_unicast+0x449/0x710 [ 3313.548766][ T72] netlink_sendmsg+0x723/0xbe0 [ 3313.548766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3313.548766][ T72] ___sys_sendmsg+0xee/0x170 [ 3313.548766][ T72] __sys_sendmsg+0xcd/0x170 [ 3313.548766][ T72] do_syscall_64+0xc6/0x1e0 [ 3313.548766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.548766][ T72] [ 3323.792983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3323.793647][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3323.793647][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3323.793647][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3323.793647][ T72] fib6_nh_init+0xa22/0x1580 [ 3323.793647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.793647][ T72] ip6_route_add+0x1c/0x140 [ 3323.793647][ T72] inet6_rtm_newroute+0x104/0x110 [ 3323.793647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.793647][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.793647][ T72] netlink_unicast+0x449/0x710 [ 3323.793647][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.793647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.793647][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.793647][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.793647][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.793647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.793647][ T72] [ 3323.795474][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3323.795474][ T72] dst_init+0x84/0x4a0 [ 3323.795474][ T72] dst_alloc+0x97/0x150 [ 3323.795474][ T72] ip6_dst_alloc+0x23/0x90 [ 3323.795474][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3323.795474][ T72] ip6_pol_route+0x56f/0x840 [ 3323.795474][ T72] fib6_rule_lookup+0x456/0x630 [ 3323.795474][ T72] ip6_route_input+0x59c/0xa50 [ 3323.795474][ T72] ipv6_rcv+0x397/0x810 [ 3323.795474][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3323.795474][ T72] process_backlog+0x101/0x620 [ 3323.795474][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3323.795474][ T72] net_rx_action+0x495/0xbe0 [ 3323.795474][ T72] __do_softirq+0x1b5/0x7f6 [ 3323.795474][ T72] [ 3323.797086][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3323.797086][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.797086][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.797086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.797086][ T72] ip6_route_add+0x1c/0x140 [ 3323.797086][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3323.797086][ T72] inet6_addr_add+0x4f8/0xa40 [ 3323.797086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.797086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.797086][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.797086][ T72] netlink_unicast+0x449/0x710 [ 3323.797086][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.797086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.797086][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.797086][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.797086][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.797086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.797086][ T72] [ 3323.798954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3323.798954][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.798954][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.798954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.798954][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3323.798954][ T72] ipv6_add_addr+0x411/0x2000 [ 3323.798954][ T72] inet6_addr_add+0x30e/0xa40 [ 3323.798954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.798954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.798954][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.798954][ T72] netlink_unicast+0x449/0x710 [ 3323.798954][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.798954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.798954][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.798954][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.798954][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.798954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.798954][ T72] [ 3323.800836][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3323.800836][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.800836][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.800836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.800836][ T72] ip6_route_add+0x1c/0x140 [ 3323.800836][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3323.800836][ T72] addrconf_add_dev+0xe2/0x170 [ 3323.800836][ T72] inet6_addr_add+0x12f/0xa40 [ 3323.800836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.800836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.800836][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.800836][ T72] netlink_unicast+0x449/0x710 [ 3323.800836][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.800836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.800836][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.800836][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.800836][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.800836][ T72] [ 3323.802851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3323.802851][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3323.802851][ T72] ipv6_find_idev+0x102/0x170 [ 3323.802851][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3323.802851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.802851][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.802851][ T72] netlink_unicast+0x449/0x710 [ 3323.802851][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.802851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.802851][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.802851][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.802851][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.802851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.802851][ T72] [ 3323.804373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3323.804373][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3323.804373][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3323.804373][ T72] ipv6_find_idev+0x102/0x170 [ 3323.804373][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3323.804373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.804373][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.804373][ T72] netlink_unicast+0x449/0x710 [ 3323.804373][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.804373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.804373][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.804373][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.804373][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.804373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.804373][ T72] [ 3323.805982][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3323.806260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3323.806260][ T72] dst_init+0x84/0x4a0 [ 3323.806260][ T72] dst_alloc+0x97/0x150 [ 3323.806260][ T72] ip6_dst_alloc+0x23/0x90 [ 3323.806260][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3323.806260][ T72] ip6_pol_route+0x56f/0x840 [ 3323.806260][ T72] fib6_rule_lookup+0x456/0x630 [ 3323.806260][ T72] ip6_route_input+0x59c/0xa50 [ 3323.806260][ T72] ipv6_rcv+0x397/0x810 [ 3323.806260][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3323.806260][ T72] process_backlog+0x101/0x620 [ 3323.806260][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3323.806260][ T72] net_rx_action+0x495/0xbe0 [ 3323.806260][ T72] __do_softirq+0x1b5/0x7f6 [ 3323.806260][ T72] [ 3323.807857][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3323.807857][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.807857][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.807857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.807857][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3323.807857][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3323.807857][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3323.807857][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3323.807857][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3323.807857][ T72] addrconf_dad_begin+0x310/0x670 [ 3323.807857][ T72] addrconf_dad_work+0x10b/0xab0 [ 3323.807857][ T72] process_one_work+0x84d/0x18a0 [ 3323.807857][ T72] worker_thread+0x587/0xd30 [ 3323.807857][ T72] kthread+0x28a/0x350 [ 3323.807857][ T72] ret_from_fork+0x31/0x70 [ 3323.807857][ T72] ret_from_fork_asm+0x1a/0x30 [ 3323.807857][ T72] [ 3323.809713][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3323.809713][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.809713][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.809713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.809713][ T72] ip6_route_add+0x1c/0x140 [ 3323.809713][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3323.809713][ T72] inet6_addr_add+0x4f8/0xa40 [ 3323.809713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.809713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.809713][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.809713][ T72] netlink_unicast+0x449/0x710 [ 3323.809713][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.809713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.809713][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.809713][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.809713][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.809713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.809713][ T72] [ 3323.811622][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3323.811622][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.811622][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.811622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.811622][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3323.811622][ T72] ipv6_add_addr+0x411/0x2000 [ 3323.811622][ T72] inet6_addr_add+0x30e/0xa40 [ 3323.811622][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.811622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.811622][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.811622][ T72] netlink_unicast+0x449/0x710 [ 3323.811622][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.811622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.811622][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.811622][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.811622][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.811622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.811622][ T72] [ 3323.813589][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3323.813589][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.813589][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.813589][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.813589][ T72] ip6_route_add+0x1c/0x140 [ 3323.813589][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3323.813589][ T72] addrconf_add_dev+0xe2/0x170 [ 3323.813589][ T72] inet6_addr_add+0x12f/0xa40 [ 3323.813589][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.813589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.813589][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.813589][ T72] netlink_unicast+0x449/0x710 [ 3323.813589][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.813589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.813589][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.813589][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.813589][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.813589][ T72] [ 3323.815525][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3323.815525][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3323.815525][ T72] ipv6_find_idev+0x102/0x170 [ 3323.815525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3323.815525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.815525][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.815525][ T72] netlink_unicast+0x449/0x710 [ 3323.815525][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.815525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.815525][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.815525][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.815525][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.815525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.815525][ T72] [ 3323.817050][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3323.817050][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3323.817050][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3323.817050][ T72] ipv6_find_idev+0x102/0x170 [ 3323.817050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3323.817050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.817050][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.817050][ T72] netlink_unicast+0x449/0x710 [ 3323.817050][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.817050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.817050][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.817050][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.817050][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.817050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.817050][ T72] [ 3323.818866][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3323.819131][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3323.819131][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3323.819131][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3323.819131][ T72] fib6_nh_init+0xa22/0x1580 [ 3323.819131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.819131][ T72] ip6_route_add+0x1c/0x140 [ 3323.819131][ T72] inet6_rtm_newroute+0x104/0x110 [ 3323.819131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.819131][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.819131][ T72] netlink_unicast+0x449/0x710 [ 3323.819131][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.819131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.819131][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.819131][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.819131][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.819131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.819131][ T72] [ 3323.821326][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3323.821326][ T72] dst_init+0x84/0x4a0 [ 3323.821326][ T72] dst_alloc+0x97/0x150 [ 3323.821326][ T72] ip6_dst_alloc+0x23/0x90 [ 3323.821326][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3323.821326][ T72] ip6_pol_route+0x56f/0x840 [ 3323.821326][ T72] fib6_rule_lookup+0x456/0x630 [ 3323.821326][ T72] ip6_route_input+0x59c/0xa50 [ 3323.821326][ T72] ipv6_rcv+0x397/0x810 [ 3323.821326][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3323.821326][ T72] process_backlog+0x101/0x620 [ 3323.821326][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3323.821326][ T72] net_rx_action+0x495/0xbe0 [ 3323.821326][ T72] __do_softirq+0x1b5/0x7f6 [ 3323.821326][ T72] [ 3323.823147][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3323.823147][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.823147][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.823147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.823147][ T72] ip6_route_add+0x1c/0x140 [ 3323.823147][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3323.823147][ T72] inet6_addr_add+0x4f8/0xa40 [ 3323.823147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.823147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.823147][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.823147][ T72] netlink_unicast+0x449/0x710 [ 3323.823147][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.823147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.823147][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.823147][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.823147][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.823147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.823147][ T72] [ 3323.825402][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3323.825402][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.825402][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.825402][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.825402][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3323.825402][ T72] ipv6_add_addr+0x411/0x2000 [ 3323.825402][ T72] inet6_addr_add+0x30e/0xa40 [ 3323.825402][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.825402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.825402][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.825402][ T72] netlink_unicast+0x449/0x710 [ 3323.825402][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.825402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.825402][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.825402][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.825402][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.825402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.825402][ T72] [ 3323.827527][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3323.827527][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.827527][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.827527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.827527][ T72] ip6_route_add+0x1c/0x140 [ 3323.827527][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3323.827527][ T72] addrconf_add_dev+0xe2/0x170 [ 3323.827527][ T72] inet6_addr_add+0x12f/0xa40 [ 3323.827527][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.827527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.827527][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.827527][ T72] netlink_unicast+0x449/0x710 [ 3323.827527][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.827527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.827527][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.827527][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.827527][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.827527][ T72] [ 3323.829886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3323.829886][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3323.829886][ T72] ipv6_find_idev+0x102/0x170 [ 3323.829886][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3323.829886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.829886][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.829886][ T72] netlink_unicast+0x449/0x710 [ 3323.829886][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.829886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.829886][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.829886][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.829886][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.829886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.829886][ T72] [ 3323.831633][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3323.831633][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3323.831633][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3323.831633][ T72] ipv6_find_idev+0x102/0x170 [ 3323.831633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3323.831633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.831633][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.831633][ T72] netlink_unicast+0x449/0x710 [ 3323.831633][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.831633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.831633][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.831633][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.831633][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.831633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.831633][ T72] [ 3323.833503][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3323.833847][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3323.833847][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.833847][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.833847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.833847][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3323.833847][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3323.833847][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3323.833847][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3323.833847][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3323.833847][ T72] addrconf_dad_begin+0x310/0x670 [ 3323.833847][ T72] addrconf_dad_work+0x10b/0xab0 [ 3323.833847][ T72] process_one_work+0x84d/0x18a0 [ 3323.833847][ T72] worker_thread+0x587/0xd30 [ 3323.833847][ T72] kthread+0x28a/0x350 [ 3323.833847][ T72] ret_from_fork+0x31/0x70 [ 3323.833847][ T72] ret_from_fork_asm+0x1a/0x30 [ 3323.833847][ T72] [ 3323.835889][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3323.835889][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.835889][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.835889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.835889][ T72] ip6_route_add+0x1c/0x140 [ 3323.835889][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3323.835889][ T72] inet6_addr_add+0x4f8/0xa40 [ 3323.835889][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.835889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.835889][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.835889][ T72] netlink_unicast+0x449/0x710 [ 3323.835889][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.835889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.835889][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.835889][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.835889][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.835889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.835889][ T72] [ 3323.838097][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3323.838097][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.838097][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.838097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.838097][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3323.838097][ T72] ipv6_add_addr+0x411/0x2000 [ 3323.838097][ T72] inet6_addr_add+0x30e/0xa40 [ 3323.838097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.838097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.838097][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.838097][ T72] netlink_unicast+0x449/0x710 [ 3323.838097][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.838097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.838097][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.838097][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.838097][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.838097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.838097][ T72] [ 3323.840340][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3323.840340][ T72] netdev_get_by_index+0x5e/0x80 [ 3323.840340][ T72] fib6_nh_init+0x3d8/0x1580 [ 3323.840340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3323.840340][ T72] ip6_route_add+0x1c/0x140 [ 3323.840340][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3323.840340][ T72] addrconf_add_dev+0xe2/0x170 [ 3323.840340][ T72] inet6_addr_add+0x12f/0xa40 [ 3323.840340][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3323.840340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.840340][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.840340][ T72] netlink_unicast+0x449/0x710 [ 3323.840340][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.840340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.840340][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.840340][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.840340][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.840340][ T72] [ 3323.842568][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3323.842568][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3323.842568][ T72] ipv6_find_idev+0x102/0x170 [ 3323.842568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3323.842568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.842568][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.842568][ T72] netlink_unicast+0x449/0x710 [ 3323.842568][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.842568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.842568][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.842568][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.842568][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.842568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.842568][ T72] [ 3323.844284][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3323.844284][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3323.844284][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3323.844284][ T72] ipv6_find_idev+0x102/0x170 [ 3323.844284][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3323.844284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3323.844284][ T72] netlink_rcv_skb+0x130/0x360 [ 3323.844284][ T72] netlink_unicast+0x449/0x710 [ 3323.844284][ T72] netlink_sendmsg+0x723/0xbe0 [ 3323.844284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3323.844284][ T72] ___sys_sendmsg+0xee/0x170 [ 3323.844284][ T72] __sys_sendmsg+0xcd/0x170 [ 3323.844284][ T72] do_syscall_64+0xc6/0x1e0 [ 3323.844284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3323.844284][ T72] [ 3334.088967][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3334.089629][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3334.089629][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3334.089629][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3334.089629][ T72] fib6_nh_init+0xa22/0x1580 [ 3334.089629][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.089629][ T72] ip6_route_add+0x1c/0x140 [ 3334.089629][ T72] inet6_rtm_newroute+0x104/0x110 [ 3334.089629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.089629][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.089629][ T72] netlink_unicast+0x449/0x710 [ 3334.089629][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.089629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.089629][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.089629][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.089629][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.089629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.089629][ T72] [ 3334.091501][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3334.091501][ T72] dst_init+0x84/0x4a0 [ 3334.091501][ T72] dst_alloc+0x97/0x150 [ 3334.091501][ T72] ip6_dst_alloc+0x23/0x90 [ 3334.091501][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3334.091501][ T72] ip6_pol_route+0x56f/0x840 [ 3334.091501][ T72] fib6_rule_lookup+0x456/0x630 [ 3334.091501][ T72] ip6_route_input+0x59c/0xa50 [ 3334.091501][ T72] ipv6_rcv+0x397/0x810 [ 3334.091501][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3334.091501][ T72] process_backlog+0x101/0x620 [ 3334.091501][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3334.091501][ T72] net_rx_action+0x495/0xbe0 [ 3334.091501][ T72] __do_softirq+0x1b5/0x7f6 [ 3334.091501][ T72] [ 3334.093178][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3334.093178][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.093178][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.093178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.093178][ T72] ip6_route_add+0x1c/0x140 [ 3334.093178][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3334.093178][ T72] inet6_addr_add+0x4f8/0xa40 [ 3334.093178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.093178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.093178][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.093178][ T72] netlink_unicast+0x449/0x710 [ 3334.093178][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.093178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.093178][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.093178][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.093178][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.093178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.093178][ T72] [ 3334.095110][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3334.095110][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.095110][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.095110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.095110][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3334.095110][ T72] ipv6_add_addr+0x411/0x2000 [ 3334.095110][ T72] inet6_addr_add+0x30e/0xa40 [ 3334.095110][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.095110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.095110][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.095110][ T72] netlink_unicast+0x449/0x710 [ 3334.095110][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.095110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.095110][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.095110][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.095110][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.095110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.095110][ T72] [ 3334.097225][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3334.097225][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.097225][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.097225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.097225][ T72] ip6_route_add+0x1c/0x140 [ 3334.097225][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3334.097225][ T72] addrconf_add_dev+0xe2/0x170 [ 3334.097225][ T72] inet6_addr_add+0x12f/0xa40 [ 3334.097225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.097225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.097225][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.097225][ T72] netlink_unicast+0x449/0x710 [ 3334.097225][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.097225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.097225][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.097225][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.097225][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.097225][ T72] [ 3334.099184][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3334.099184][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3334.099184][ T72] ipv6_find_idev+0x102/0x170 [ 3334.099184][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.099184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.099184][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.099184][ T72] netlink_unicast+0x449/0x710 [ 3334.099184][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.099184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.099184][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.099184][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.099184][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.099184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.099184][ T72] [ 3334.100731][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3334.100731][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3334.100731][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3334.100731][ T72] ipv6_find_idev+0x102/0x170 [ 3334.100731][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.100731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.100731][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.100731][ T72] netlink_unicast+0x449/0x710 [ 3334.100731][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.100731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.100731][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.100731][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.100731][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.100731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.100731][ T72] [ 3334.102414][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3334.102685][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3334.102685][ T72] dst_init+0x84/0x4a0 [ 3334.102685][ T72] dst_alloc+0x97/0x150 [ 3334.102685][ T72] ip6_dst_alloc+0x23/0x90 [ 3334.102685][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3334.102685][ T72] ip6_pol_route+0x56f/0x840 [ 3334.102685][ T72] fib6_rule_lookup+0x456/0x630 [ 3334.102685][ T72] ip6_route_input+0x59c/0xa50 [ 3334.102685][ T72] ipv6_rcv+0x397/0x810 [ 3334.102685][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3334.102685][ T72] process_backlog+0x101/0x620 [ 3334.102685][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3334.102685][ T72] net_rx_action+0x495/0xbe0 [ 3334.102685][ T72] __do_softirq+0x1b5/0x7f6 [ 3334.102685][ T72] [ 3334.104312][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3334.104312][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.104312][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.104312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.104312][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3334.104312][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3334.104312][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3334.104312][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3334.104312][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3334.104312][ T72] addrconf_dad_begin+0x310/0x670 [ 3334.104312][ T72] addrconf_dad_work+0x10b/0xab0 [ 3334.104312][ T72] process_one_work+0x84d/0x18a0 [ 3334.104312][ T72] worker_thread+0x587/0xd30 [ 3334.104312][ T72] kthread+0x28a/0x350 [ 3334.104312][ T72] ret_from_fork+0x31/0x70 [ 3334.104312][ T72] ret_from_fork_asm+0x1a/0x30 [ 3334.104312][ T72] [ 3334.106205][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3334.106205][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.106205][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.106205][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.106205][ T72] ip6_route_add+0x1c/0x140 [ 3334.106205][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3334.106205][ T72] inet6_addr_add+0x4f8/0xa40 [ 3334.106205][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.106205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.106205][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.106205][ T72] netlink_unicast+0x449/0x710 [ 3334.106205][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.106205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.106205][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.106205][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.106205][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.106205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.106205][ T72] [ 3334.108177][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3334.108177][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.108177][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.108177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.108177][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3334.108177][ T72] ipv6_add_addr+0x411/0x2000 [ 3334.108177][ T72] inet6_addr_add+0x30e/0xa40 [ 3334.108177][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.108177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.108177][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.108177][ T72] netlink_unicast+0x449/0x710 [ 3334.108177][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.108177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.108177][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.108177][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.108177][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.108177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.108177][ T72] [ 3334.110156][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3334.110156][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.110156][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.110156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.110156][ T72] ip6_route_add+0x1c/0x140 [ 3334.110156][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3334.110156][ T72] addrconf_add_dev+0xe2/0x170 [ 3334.110156][ T72] inet6_addr_add+0x12f/0xa40 [ 3334.110156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.110156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.110156][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.110156][ T72] netlink_unicast+0x449/0x710 [ 3334.110156][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.110156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.110156][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.110156][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.110156][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.110156][ T72] [ 3334.112120][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3334.112120][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3334.112120][ T72] ipv6_find_idev+0x102/0x170 [ 3334.112120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.112120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.112120][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.112120][ T72] netlink_unicast+0x449/0x710 [ 3334.112120][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.112120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.112120][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.112120][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.112120][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.112120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.112120][ T72] [ 3334.113653][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3334.113653][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3334.113653][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3334.113653][ T72] ipv6_find_idev+0x102/0x170 [ 3334.113653][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.113653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.113653][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.113653][ T72] netlink_unicast+0x449/0x710 [ 3334.113653][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.113653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.113653][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.113653][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.113653][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.113653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.113653][ T72] [ 3334.115440][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3334.115718][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3334.115718][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3334.115718][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3334.115718][ T72] fib6_nh_init+0xa22/0x1580 [ 3334.115718][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.115718][ T72] ip6_route_add+0x1c/0x140 [ 3334.115718][ T72] inet6_rtm_newroute+0x104/0x110 [ 3334.115718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.115718][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.115718][ T72] netlink_unicast+0x449/0x710 [ 3334.115718][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.115718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.115718][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.115718][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.115718][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.115718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.115718][ T72] [ 3334.117900][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3334.117900][ T72] dst_init+0x84/0x4a0 [ 3334.117900][ T72] dst_alloc+0x97/0x150 [ 3334.117900][ T72] ip6_dst_alloc+0x23/0x90 [ 3334.117900][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3334.117900][ T72] ip6_pol_route+0x56f/0x840 [ 3334.117900][ T72] fib6_rule_lookup+0x456/0x630 [ 3334.117900][ T72] ip6_route_input+0x59c/0xa50 [ 3334.117900][ T72] ipv6_rcv+0x397/0x810 [ 3334.117900][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3334.117900][ T72] process_backlog+0x101/0x620 [ 3334.117900][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3334.117900][ T72] net_rx_action+0x495/0xbe0 [ 3334.117900][ T72] __do_softirq+0x1b5/0x7f6 [ 3334.117900][ T72] [ 3334.119706][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3334.119706][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.119706][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.119706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.119706][ T72] ip6_route_add+0x1c/0x140 [ 3334.119706][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3334.119706][ T72] inet6_addr_add+0x4f8/0xa40 [ 3334.119706][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.119706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.119706][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.119706][ T72] netlink_unicast+0x449/0x710 [ 3334.119706][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.119706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.119706][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.119706][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.119706][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.119706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.119706][ T72] [ 3334.121865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3334.121865][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.121865][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.121865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.121865][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3334.121865][ T72] ipv6_add_addr+0x411/0x2000 [ 3334.121865][ T72] inet6_addr_add+0x30e/0xa40 [ 3334.121865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.121865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.121865][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.121865][ T72] netlink_unicast+0x449/0x710 [ 3334.121865][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.121865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.121865][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.121865][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.121865][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.121865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.121865][ T72] [ 3334.124091][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3334.124091][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.124091][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.124091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.124091][ T72] ip6_route_add+0x1c/0x140 [ 3334.124091][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3334.124091][ T72] addrconf_add_dev+0xe2/0x170 [ 3334.124091][ T72] inet6_addr_add+0x12f/0xa40 [ 3334.124091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.124091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.124091][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.124091][ T72] netlink_unicast+0x449/0x710 [ 3334.124091][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.124091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.124091][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.124091][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.124091][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.124091][ T72] [ 3334.126339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3334.126339][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3334.126339][ T72] ipv6_find_idev+0x102/0x170 [ 3334.126339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.126339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.126339][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.126339][ T72] netlink_unicast+0x449/0x710 [ 3334.126339][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.126339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.126339][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.126339][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.126339][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.126339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.126339][ T72] [ 3334.128047][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3334.128047][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3334.128047][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3334.128047][ T72] ipv6_find_idev+0x102/0x170 [ 3334.128047][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.128047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.128047][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.128047][ T72] netlink_unicast+0x449/0x710 [ 3334.128047][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.128047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.128047][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.128047][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.128047][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.128047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.128047][ T72] [ 3334.129894][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3334.130223][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3334.130223][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.130223][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.130223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.130223][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3334.130223][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3334.130223][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3334.130223][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3334.130223][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3334.130223][ T72] addrconf_dad_begin+0x310/0x670 [ 3334.130223][ T72] addrconf_dad_work+0x10b/0xab0 [ 3334.130223][ T72] process_one_work+0x84d/0x18a0 [ 3334.130223][ T72] worker_thread+0x587/0xd30 [ 3334.130223][ T72] kthread+0x28a/0x350 [ 3334.130223][ T72] ret_from_fork+0x31/0x70 [ 3334.130223][ T72] ret_from_fork_asm+0x1a/0x30 [ 3334.130223][ T72] [ 3334.132242][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3334.132242][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.132242][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.132242][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.132242][ T72] ip6_route_add+0x1c/0x140 [ 3334.132242][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3334.132242][ T72] inet6_addr_add+0x4f8/0xa40 [ 3334.132242][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.132242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.132242][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.132242][ T72] netlink_unicast+0x449/0x710 [ 3334.132242][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.132242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.132242][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.132242][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.132242][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.132242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.132242][ T72] [ 3334.134479][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3334.134479][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.134479][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.134479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.134479][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3334.134479][ T72] ipv6_add_addr+0x411/0x2000 [ 3334.134479][ T72] inet6_addr_add+0x30e/0xa40 [ 3334.134479][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.134479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.134479][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.134479][ T72] netlink_unicast+0x449/0x710 [ 3334.134479][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.134479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.134479][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.134479][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.134479][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.134479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.134479][ T72] [ 3334.136770][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3334.136770][ T72] netdev_get_by_index+0x5e/0x80 [ 3334.136770][ T72] fib6_nh_init+0x3d8/0x1580 [ 3334.136770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3334.136770][ T72] ip6_route_add+0x1c/0x140 [ 3334.136770][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3334.136770][ T72] addrconf_add_dev+0xe2/0x170 [ 3334.136770][ T72] inet6_addr_add+0x12f/0xa40 [ 3334.136770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.136770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.136770][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.136770][ T72] netlink_unicast+0x449/0x710 [ 3334.136770][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.136770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.136770][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.136770][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.136770][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.136770][ T72] [ 3334.138961][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3334.138961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3334.138961][ T72] ipv6_find_idev+0x102/0x170 [ 3334.138961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.138961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.138961][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.138961][ T72] netlink_unicast+0x449/0x710 [ 3334.138961][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.138961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.138961][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.138961][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.138961][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.138961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.138961][ T72] [ 3334.141206][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3334.141206][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3334.141206][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3334.141206][ T72] ipv6_find_idev+0x102/0x170 [ 3334.141206][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.141206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.141206][ T72] netlink_rcv_skb+0x130/0x360 [ 3334.141206][ T72] netlink_unicast+0x449/0x710 [ 3334.141206][ T72] netlink_sendmsg+0x723/0xbe0 [ 3334.141206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3334.141206][ T72] ___sys_sendmsg+0xee/0x170 [ 3334.141206][ T72] __sys_sendmsg+0xcd/0x170 [ 3334.141206][ T72] do_syscall_64+0xc6/0x1e0 [ 3334.141206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.141206][ T72] [ 3344.384973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3344.385550][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3344.385550][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3344.385550][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3344.385550][ T72] fib6_nh_init+0xa22/0x1580 [ 3344.385550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.385550][ T72] ip6_route_add+0x1c/0x140 [ 3344.385550][ T72] inet6_rtm_newroute+0x104/0x110 [ 3344.385550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.385550][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.385550][ T72] netlink_unicast+0x449/0x710 [ 3344.385550][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.385550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.385550][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.385550][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.385550][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.385550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.385550][ T72] [ 3344.387412][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3344.387412][ T72] dst_init+0x84/0x4a0 [ 3344.387412][ T72] dst_alloc+0x97/0x150 [ 3344.387412][ T72] ip6_dst_alloc+0x23/0x90 [ 3344.387412][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3344.387412][ T72] ip6_pol_route+0x56f/0x840 [ 3344.387412][ T72] fib6_rule_lookup+0x456/0x630 [ 3344.387412][ T72] ip6_route_input+0x59c/0xa50 [ 3344.387412][ T72] ipv6_rcv+0x397/0x810 [ 3344.387412][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3344.387412][ T72] process_backlog+0x101/0x620 [ 3344.387412][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3344.387412][ T72] net_rx_action+0x495/0xbe0 [ 3344.387412][ T72] __do_softirq+0x1b5/0x7f6 [ 3344.387412][ T72] [ 3344.389055][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3344.389055][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.389055][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.389055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.389055][ T72] ip6_route_add+0x1c/0x140 [ 3344.389055][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3344.389055][ T72] inet6_addr_add+0x4f8/0xa40 [ 3344.389055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.389055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.389055][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.389055][ T72] netlink_unicast+0x449/0x710 [ 3344.389055][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.389055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.389055][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.389055][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.389055][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.389055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.389055][ T72] [ 3344.391046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3344.391046][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.391046][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.391046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.391046][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3344.391046][ T72] ipv6_add_addr+0x411/0x2000 [ 3344.391046][ T72] inet6_addr_add+0x30e/0xa40 [ 3344.391046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.391046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.391046][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.391046][ T72] netlink_unicast+0x449/0x710 [ 3344.391046][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.391046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.391046][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.391046][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.391046][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.391046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.391046][ T72] [ 3344.393045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3344.393045][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.393045][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.393045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.393045][ T72] ip6_route_add+0x1c/0x140 [ 3344.393045][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3344.393045][ T72] addrconf_add_dev+0xe2/0x170 [ 3344.393045][ T72] inet6_addr_add+0x12f/0xa40 [ 3344.393045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.393045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.393045][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.393045][ T72] netlink_unicast+0x449/0x710 [ 3344.393045][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.393045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.393045][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.393045][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.393045][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.393045][ T72] [ 3344.394965][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3344.394965][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3344.394965][ T72] ipv6_find_idev+0x102/0x170 [ 3344.394965][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.394965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.394965][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.394965][ T72] netlink_unicast+0x449/0x710 [ 3344.394965][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.394965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.394965][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.394965][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.394965][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.394965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.394965][ T72] [ 3344.396506][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3344.396506][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3344.396506][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3344.396506][ T72] ipv6_find_idev+0x102/0x170 [ 3344.396506][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.396506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.396506][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.396506][ T72] netlink_unicast+0x449/0x710 [ 3344.396506][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.396506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.396506][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.396506][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.396506][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.396506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.396506][ T72] [ 3344.398151][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3344.398438][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3344.398438][ T72] dst_init+0x84/0x4a0 [ 3344.398438][ T72] dst_alloc+0x97/0x150 [ 3344.398438][ T72] ip6_dst_alloc+0x23/0x90 [ 3344.398438][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3344.398438][ T72] ip6_pol_route+0x56f/0x840 [ 3344.398438][ T72] fib6_rule_lookup+0x456/0x630 [ 3344.398438][ T72] ip6_route_input+0x59c/0xa50 [ 3344.398438][ T72] ipv6_rcv+0x397/0x810 [ 3344.398438][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3344.398438][ T72] process_backlog+0x101/0x620 [ 3344.398438][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3344.398438][ T72] net_rx_action+0x495/0xbe0 [ 3344.398438][ T72] __do_softirq+0x1b5/0x7f6 [ 3344.398438][ T72] [ 3344.400065][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3344.400065][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.400065][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.400065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.400065][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3344.400065][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3344.400065][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3344.400065][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3344.400065][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3344.400065][ T72] addrconf_dad_begin+0x310/0x670 [ 3344.400065][ T72] addrconf_dad_work+0x10b/0xab0 [ 3344.400065][ T72] process_one_work+0x84d/0x18a0 [ 3344.400065][ T72] worker_thread+0x587/0xd30 [ 3344.400065][ T72] kthread+0x28a/0x350 [ 3344.400065][ T72] ret_from_fork+0x31/0x70 [ 3344.400065][ T72] ret_from_fork_asm+0x1a/0x30 [ 3344.400065][ T72] [ 3344.401974][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3344.401974][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.401974][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.401974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.401974][ T72] ip6_route_add+0x1c/0x140 [ 3344.401974][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3344.401974][ T72] inet6_addr_add+0x4f8/0xa40 [ 3344.401974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.401974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.401974][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.401974][ T72] netlink_unicast+0x449/0x710 [ 3344.401974][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.401974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.401974][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.401974][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.401974][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.401974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.401974][ T72] [ 3344.403962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3344.403962][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.403962][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.403962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.403962][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3344.403962][ T72] ipv6_add_addr+0x411/0x2000 [ 3344.403962][ T72] inet6_addr_add+0x30e/0xa40 [ 3344.403962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.403962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.403962][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.403962][ T72] netlink_unicast+0x449/0x710 [ 3344.403962][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.403962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.403962][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.403962][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.403962][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.403962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.403962][ T72] [ 3344.405937][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3344.405937][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.405937][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.405937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.405937][ T72] ip6_route_add+0x1c/0x140 [ 3344.405937][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3344.405937][ T72] addrconf_add_dev+0xe2/0x170 [ 3344.405937][ T72] inet6_addr_add+0x12f/0xa40 [ 3344.405937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.405937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.405937][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.405937][ T72] netlink_unicast+0x449/0x710 [ 3344.405937][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.405937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.405937][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.405937][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.405937][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.405937][ T72] [ 3344.407827][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3344.407827][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3344.407827][ T72] ipv6_find_idev+0x102/0x170 [ 3344.407827][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.407827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.407827][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.407827][ T72] netlink_unicast+0x449/0x710 [ 3344.407827][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.407827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.407827][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.407827][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.407827][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.407827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.407827][ T72] [ 3344.409314][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3344.409314][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3344.409314][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3344.409314][ T72] ipv6_find_idev+0x102/0x170 [ 3344.409314][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.409314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.409314][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.409314][ T72] netlink_unicast+0x449/0x710 [ 3344.409314][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.409314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.409314][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.409314][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.409314][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.409314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.409314][ T72] [ 3344.411044][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3344.411299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3344.411299][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3344.411299][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3344.411299][ T72] fib6_nh_init+0xa22/0x1580 [ 3344.411299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.411299][ T72] ip6_route_add+0x1c/0x140 [ 3344.411299][ T72] inet6_rtm_newroute+0x104/0x110 [ 3344.411299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.411299][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.411299][ T72] netlink_unicast+0x449/0x710 [ 3344.411299][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.411299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.411299][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.411299][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.411299][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.411299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.411299][ T72] [ 3344.413486][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3344.413486][ T72] dst_init+0x84/0x4a0 [ 3344.413486][ T72] dst_alloc+0x97/0x150 [ 3344.413486][ T72] ip6_dst_alloc+0x23/0x90 [ 3344.413486][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3344.413486][ T72] ip6_pol_route+0x56f/0x840 [ 3344.413486][ T72] fib6_rule_lookup+0x456/0x630 [ 3344.413486][ T72] ip6_route_input+0x59c/0xa50 [ 3344.413486][ T72] ipv6_rcv+0x397/0x810 [ 3344.413486][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3344.413486][ T72] process_backlog+0x101/0x620 [ 3344.413486][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3344.413486][ T72] net_rx_action+0x495/0xbe0 [ 3344.413486][ T72] __do_softirq+0x1b5/0x7f6 [ 3344.413486][ T72] [ 3344.415285][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3344.415285][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.415285][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.415285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.415285][ T72] ip6_route_add+0x1c/0x140 [ 3344.415285][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3344.415285][ T72] inet6_addr_add+0x4f8/0xa40 [ 3344.415285][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.415285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.415285][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.415285][ T72] netlink_unicast+0x449/0x710 [ 3344.415285][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.415285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.415285][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.415285][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.415285][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.415285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.415285][ T72] [ 3344.417430][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3344.417430][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.417430][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.417430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.417430][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3344.417430][ T72] ipv6_add_addr+0x411/0x2000 [ 3344.417430][ T72] inet6_addr_add+0x30e/0xa40 [ 3344.417430][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.417430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.417430][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.417430][ T72] netlink_unicast+0x449/0x710 [ 3344.417430][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.417430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.417430][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.417430][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.417430][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.417430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.417430][ T72] [ 3344.419662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3344.419662][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.419662][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.419662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.419662][ T72] ip6_route_add+0x1c/0x140 [ 3344.419662][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3344.419662][ T72] addrconf_add_dev+0xe2/0x170 [ 3344.419662][ T72] inet6_addr_add+0x12f/0xa40 [ 3344.419662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.419662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.419662][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.419662][ T72] netlink_unicast+0x449/0x710 [ 3344.419662][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.419662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.419662][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.419662][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.419662][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.419662][ T72] [ 3344.421918][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3344.421918][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3344.421918][ T72] ipv6_find_idev+0x102/0x170 [ 3344.421918][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.421918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.421918][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.421918][ T72] netlink_unicast+0x449/0x710 [ 3344.421918][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.421918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.421918][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.421918][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.421918][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.421918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.421918][ T72] [ 3344.423618][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3344.423618][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3344.423618][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3344.423618][ T72] ipv6_find_idev+0x102/0x170 [ 3344.423618][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.423618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.423618][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.423618][ T72] netlink_unicast+0x449/0x710 [ 3344.423618][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.423618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.423618][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.423618][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.423618][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.423618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.423618][ T72] [ 3344.425418][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3344.425767][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3344.425767][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.425767][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.425767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.425767][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3344.425767][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3344.425767][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3344.425767][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3344.425767][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3344.425767][ T72] addrconf_dad_begin+0x310/0x670 [ 3344.425767][ T72] addrconf_dad_work+0x10b/0xab0 [ 3344.425767][ T72] process_one_work+0x84d/0x18a0 [ 3344.425767][ T72] worker_thread+0x587/0xd30 [ 3344.425767][ T72] kthread+0x28a/0x350 [ 3344.425767][ T72] ret_from_fork+0x31/0x70 [ 3344.425767][ T72] ret_from_fork_asm+0x1a/0x30 [ 3344.425767][ T72] [ 3344.427795][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3344.427795][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.427795][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.427795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.427795][ T72] ip6_route_add+0x1c/0x140 [ 3344.427795][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3344.427795][ T72] inet6_addr_add+0x4f8/0xa40 [ 3344.427795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.427795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.427795][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.427795][ T72] netlink_unicast+0x449/0x710 [ 3344.427795][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.427795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.427795][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.427795][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.427795][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.427795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.427795][ T72] [ 3344.429929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3344.429929][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.429929][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.429929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.429929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3344.429929][ T72] ipv6_add_addr+0x411/0x2000 [ 3344.429929][ T72] inet6_addr_add+0x30e/0xa40 [ 3344.429929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.429929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.429929][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.429929][ T72] netlink_unicast+0x449/0x710 [ 3344.429929][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.429929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.429929][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.429929][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.429929][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.429929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.429929][ T72] [ 3344.432217][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3344.432217][ T72] netdev_get_by_index+0x5e/0x80 [ 3344.432217][ T72] fib6_nh_init+0x3d8/0x1580 [ 3344.432217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3344.432217][ T72] ip6_route_add+0x1c/0x140 [ 3344.432217][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3344.432217][ T72] addrconf_add_dev+0xe2/0x170 [ 3344.432217][ T72] inet6_addr_add+0x12f/0xa40 [ 3344.432217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.432217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.432217][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.432217][ T72] netlink_unicast+0x449/0x710 [ 3344.432217][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.432217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.432217][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.432217][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.432217][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.432217][ T72] [ 3344.434398][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3344.434398][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3344.434398][ T72] ipv6_find_idev+0x102/0x170 [ 3344.434398][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.434398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.434398][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.434398][ T72] netlink_unicast+0x449/0x710 [ 3344.434398][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.434398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.434398][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.434398][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.434398][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.434398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.434398][ T72] [ 3344.436110][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3344.436110][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3344.436110][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3344.436110][ T72] ipv6_find_idev+0x102/0x170 [ 3344.436110][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.436110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.436110][ T72] netlink_rcv_skb+0x130/0x360 [ 3344.436110][ T72] netlink_unicast+0x449/0x710 [ 3344.436110][ T72] netlink_sendmsg+0x723/0xbe0 [ 3344.436110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3344.436110][ T72] ___sys_sendmsg+0xee/0x170 [ 3344.436110][ T72] __sys_sendmsg+0xcd/0x170 [ 3344.436110][ T72] do_syscall_64+0xc6/0x1e0 [ 3344.436110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.436110][ T72] [ 3354.721053][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3354.721663][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3354.721663][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3354.721663][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3354.721663][ T72] fib6_nh_init+0xa22/0x1580 [ 3354.721663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.721663][ T72] ip6_route_add+0x1c/0x140 [ 3354.721663][ T72] inet6_rtm_newroute+0x104/0x110 [ 3354.721663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.721663][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.721663][ T72] netlink_unicast+0x449/0x710 [ 3354.721663][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.721663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.721663][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.721663][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.721663][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.721663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.721663][ T72] [ 3354.723558][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3354.723558][ T72] dst_init+0x84/0x4a0 [ 3354.723558][ T72] dst_alloc+0x97/0x150 [ 3354.723558][ T72] ip6_dst_alloc+0x23/0x90 [ 3354.723558][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3354.723558][ T72] ip6_pol_route+0x56f/0x840 [ 3354.723558][ T72] fib6_rule_lookup+0x456/0x630 [ 3354.723558][ T72] ip6_route_input+0x59c/0xa50 [ 3354.723558][ T72] ipv6_rcv+0x397/0x810 [ 3354.723558][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3354.723558][ T72] process_backlog+0x101/0x620 [ 3354.723558][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3354.723558][ T72] net_rx_action+0x495/0xbe0 [ 3354.723558][ T72] __do_softirq+0x1b5/0x7f6 [ 3354.723558][ T72] [ 3354.725171][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3354.725171][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.725171][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.725171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.725171][ T72] ip6_route_add+0x1c/0x140 [ 3354.725171][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3354.725171][ T72] inet6_addr_add+0x4f8/0xa40 [ 3354.725171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.725171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.725171][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.725171][ T72] netlink_unicast+0x449/0x710 [ 3354.725171][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.725171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.725171][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.725171][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.725171][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.725171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.725171][ T72] [ 3354.727156][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3354.727156][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.727156][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.727156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.727156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3354.727156][ T72] ipv6_add_addr+0x411/0x2000 [ 3354.727156][ T72] inet6_addr_add+0x30e/0xa40 [ 3354.727156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.727156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.727156][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.727156][ T72] netlink_unicast+0x449/0x710 [ 3354.727156][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.727156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.727156][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.727156][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.727156][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.727156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.727156][ T72] [ 3354.729142][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3354.729142][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.729142][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.729142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.729142][ T72] ip6_route_add+0x1c/0x140 [ 3354.729142][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3354.729142][ T72] addrconf_add_dev+0xe2/0x170 [ 3354.729142][ T72] inet6_addr_add+0x12f/0xa40 [ 3354.729142][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.729142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.729142][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.729142][ T72] netlink_unicast+0x449/0x710 [ 3354.729142][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.729142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.729142][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.729142][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.729142][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.729142][ T72] [ 3354.731103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3354.731103][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3354.731103][ T72] ipv6_find_idev+0x102/0x170 [ 3354.731103][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.731103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.731103][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.731103][ T72] netlink_unicast+0x449/0x710 [ 3354.731103][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.731103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.731103][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.731103][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.731103][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.731103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.731103][ T72] [ 3354.732653][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3354.732653][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3354.732653][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3354.732653][ T72] ipv6_find_idev+0x102/0x170 [ 3354.732653][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.732653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.732653][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.732653][ T72] netlink_unicast+0x449/0x710 [ 3354.732653][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.732653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.732653][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.732653][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.732653][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.732653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.732653][ T72] [ 3354.734296][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3354.734575][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3354.734575][ T72] dst_init+0x84/0x4a0 [ 3354.734575][ T72] dst_alloc+0x97/0x150 [ 3354.734575][ T72] ip6_dst_alloc+0x23/0x90 [ 3354.734575][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3354.734575][ T72] ip6_pol_route+0x56f/0x840 [ 3354.734575][ T72] fib6_rule_lookup+0x456/0x630 [ 3354.734575][ T72] ip6_route_input+0x59c/0xa50 [ 3354.734575][ T72] ipv6_rcv+0x397/0x810 [ 3354.734575][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3354.734575][ T72] process_backlog+0x101/0x620 [ 3354.734575][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3354.734575][ T72] net_rx_action+0x495/0xbe0 [ 3354.734575][ T72] __do_softirq+0x1b5/0x7f6 [ 3354.734575][ T72] [ 3354.736200][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3354.736200][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.736200][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.736200][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.736200][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3354.736200][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3354.736200][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3354.736200][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3354.736200][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3354.736200][ T72] addrconf_dad_begin+0x310/0x670 [ 3354.736200][ T72] addrconf_dad_work+0x10b/0xab0 [ 3354.736200][ T72] process_one_work+0x84d/0x18a0 [ 3354.736200][ T72] worker_thread+0x587/0xd30 [ 3354.736200][ T72] kthread+0x28a/0x350 [ 3354.736200][ T72] ret_from_fork+0x31/0x70 [ 3354.736200][ T72] ret_from_fork_asm+0x1a/0x30 [ 3354.736200][ T72] [ 3354.738043][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3354.738043][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.738043][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.738043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.738043][ T72] ip6_route_add+0x1c/0x140 [ 3354.738043][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3354.738043][ T72] inet6_addr_add+0x4f8/0xa40 [ 3354.738043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.738043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.738043][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.738043][ T72] netlink_unicast+0x449/0x710 [ 3354.738043][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.738043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.738043][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.738043][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.738043][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.738043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.738043][ T72] [ 3354.739985][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3354.739985][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.739985][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.739985][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.739985][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3354.739985][ T72] ipv6_add_addr+0x411/0x2000 [ 3354.739985][ T72] inet6_addr_add+0x30e/0xa40 [ 3354.739985][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.739985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.739985][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.739985][ T72] netlink_unicast+0x449/0x710 [ 3354.739985][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.739985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.739985][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.739985][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.739985][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.739985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.739985][ T72] [ 3354.741907][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3354.741907][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.741907][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.741907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.741907][ T72] ip6_route_add+0x1c/0x140 [ 3354.741907][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3354.741907][ T72] addrconf_add_dev+0xe2/0x170 [ 3354.741907][ T72] inet6_addr_add+0x12f/0xa40 [ 3354.741907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.741907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.741907][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.741907][ T72] netlink_unicast+0x449/0x710 [ 3354.741907][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.741907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.741907][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.741907][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.741907][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.741907][ T72] [ 3354.743831][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3354.743831][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3354.743831][ T72] ipv6_find_idev+0x102/0x170 [ 3354.743831][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.743831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.743831][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.743831][ T72] netlink_unicast+0x449/0x710 [ 3354.743831][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.743831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.743831][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.743831][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.743831][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.743831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.743831][ T72] [ 3354.745351][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3354.745351][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3354.745351][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3354.745351][ T72] ipv6_find_idev+0x102/0x170 [ 3354.745351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.745351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.745351][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.745351][ T72] netlink_unicast+0x449/0x710 [ 3354.745351][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.745351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.745351][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.745351][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.745351][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.745351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.745351][ T72] [ 3354.747138][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3354.747978][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3354.747978][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3354.747978][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3354.747978][ T72] fib6_nh_init+0xa22/0x1580 [ 3354.747978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.747978][ T72] ip6_route_add+0x1c/0x140 [ 3354.747978][ T72] inet6_rtm_newroute+0x104/0x110 [ 3354.747978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.747978][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.747978][ T72] netlink_unicast+0x449/0x710 [ 3354.747978][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.747978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.747978][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.747978][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.747978][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.747978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.747978][ T72] [ 3354.750162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3354.750162][ T72] dst_init+0x84/0x4a0 [ 3354.750162][ T72] dst_alloc+0x97/0x150 [ 3354.750162][ T72] ip6_dst_alloc+0x23/0x90 [ 3354.750162][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3354.750162][ T72] ip6_pol_route+0x56f/0x840 [ 3354.750162][ T72] fib6_rule_lookup+0x456/0x630 [ 3354.750162][ T72] ip6_route_input+0x59c/0xa50 [ 3354.750162][ T72] ipv6_rcv+0x397/0x810 [ 3354.750162][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3354.750162][ T72] process_backlog+0x101/0x620 [ 3354.750162][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3354.750162][ T72] net_rx_action+0x495/0xbe0 [ 3354.750162][ T72] __do_softirq+0x1b5/0x7f6 [ 3354.750162][ T72] [ 3354.751949][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3354.751949][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.751949][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.751949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.751949][ T72] ip6_route_add+0x1c/0x140 [ 3354.751949][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3354.751949][ T72] inet6_addr_add+0x4f8/0xa40 [ 3354.751949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.751949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.751949][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.751949][ T72] netlink_unicast+0x449/0x710 [ 3354.751949][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.751949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.751949][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.751949][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.751949][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.751949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.751949][ T72] [ 3354.754110][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3354.754110][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.754110][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.754110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.754110][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3354.754110][ T72] ipv6_add_addr+0x411/0x2000 [ 3354.754110][ T72] inet6_addr_add+0x30e/0xa40 [ 3354.754110][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.754110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.754110][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.754110][ T72] netlink_unicast+0x449/0x710 [ 3354.754110][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.754110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.754110][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.754110][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.754110][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.754110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.754110][ T72] [ 3354.756311][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3354.756311][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.756311][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.756311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.756311][ T72] ip6_route_add+0x1c/0x140 [ 3354.756311][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3354.756311][ T72] addrconf_add_dev+0xe2/0x170 [ 3354.756311][ T72] inet6_addr_add+0x12f/0xa40 [ 3354.756311][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.756311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.756311][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.756311][ T72] netlink_unicast+0x449/0x710 [ 3354.756311][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.756311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.756311][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.756311][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.756311][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.756311][ T72] [ 3354.758536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3354.758536][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3354.758536][ T72] ipv6_find_idev+0x102/0x170 [ 3354.758536][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.758536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.758536][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.758536][ T72] netlink_unicast+0x449/0x710 [ 3354.758536][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.758536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.758536][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.758536][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.758536][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.758536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.758536][ T72] [ 3354.760227][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3354.760227][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3354.760227][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3354.760227][ T72] ipv6_find_idev+0x102/0x170 [ 3354.760227][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.760227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.760227][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.760227][ T72] netlink_unicast+0x449/0x710 [ 3354.760227][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.760227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.760227][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.760227][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.760227][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.760227][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.760227][ T72] [ 3354.762066][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3354.762408][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3354.762408][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.762408][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.762408][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.762408][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3354.762408][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3354.762408][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3354.762408][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3354.762408][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3354.762408][ T72] addrconf_dad_begin+0x310/0x670 [ 3354.762408][ T72] addrconf_dad_work+0x10b/0xab0 [ 3354.762408][ T72] process_one_work+0x84d/0x18a0 [ 3354.762408][ T72] worker_thread+0x587/0xd30 [ 3354.762408][ T72] kthread+0x28a/0x350 [ 3354.762408][ T72] ret_from_fork+0x31/0x70 [ 3354.762408][ T72] ret_from_fork_asm+0x1a/0x30 [ 3354.762408][ T72] [ 3354.764432][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3354.764432][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.764432][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.764432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.764432][ T72] ip6_route_add+0x1c/0x140 [ 3354.764432][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3354.764432][ T72] inet6_addr_add+0x4f8/0xa40 [ 3354.764432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.764432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.764432][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.764432][ T72] netlink_unicast+0x449/0x710 [ 3354.764432][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.764432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.764432][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.764432][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.764432][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.764432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.764432][ T72] [ 3354.766653][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3354.766653][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.766653][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.766653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.766653][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3354.766653][ T72] ipv6_add_addr+0x411/0x2000 [ 3354.766653][ T72] inet6_addr_add+0x30e/0xa40 [ 3354.766653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.766653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.766653][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.766653][ T72] netlink_unicast+0x449/0x710 [ 3354.766653][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.766653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.766653][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.766653][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.766653][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.766653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.766653][ T72] [ 3354.768926][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3354.768926][ T72] netdev_get_by_index+0x5e/0x80 [ 3354.768926][ T72] fib6_nh_init+0x3d8/0x1580 [ 3354.768926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3354.768926][ T72] ip6_route_add+0x1c/0x140 [ 3354.768926][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3354.768926][ T72] addrconf_add_dev+0xe2/0x170 [ 3354.768926][ T72] inet6_addr_add+0x12f/0xa40 [ 3354.768926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.768926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.768926][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.768926][ T72] netlink_unicast+0x449/0x710 [ 3354.768926][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.768926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.768926][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.768926][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.768926][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.768926][ T72] [ 3354.771476][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3354.771476][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3354.771476][ T72] ipv6_find_idev+0x102/0x170 [ 3354.771476][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.771476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.771476][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.771476][ T72] netlink_unicast+0x449/0x710 [ 3354.771476][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.771476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.771476][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.771476][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.771476][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.771476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.771476][ T72] [ 3354.773185][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3354.773185][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3354.773185][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3354.773185][ T72] ipv6_find_idev+0x102/0x170 [ 3354.773185][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.773185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.773185][ T72] netlink_rcv_skb+0x130/0x360 [ 3354.773185][ T72] netlink_unicast+0x449/0x710 [ 3354.773185][ T72] netlink_sendmsg+0x723/0xbe0 [ 3354.773185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3354.773185][ T72] ___sys_sendmsg+0xee/0x170 [ 3354.773185][ T72] __sys_sendmsg+0xcd/0x170 [ 3354.773185][ T72] do_syscall_64+0xc6/0x1e0 [ 3354.773185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.773185][ T72] [ 3364.808978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3364.809650][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3364.809650][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3364.809650][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3364.809650][ T72] fib6_nh_init+0xa22/0x1580 [ 3364.809650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.809650][ T72] ip6_route_add+0x1c/0x140 [ 3364.809650][ T72] inet6_rtm_newroute+0x104/0x110 [ 3364.809650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.809650][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.809650][ T72] netlink_unicast+0x449/0x710 [ 3364.809650][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.809650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.809650][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.809650][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.809650][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.809650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.809650][ T72] [ 3364.811494][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3364.811494][ T72] dst_init+0x84/0x4a0 [ 3364.811494][ T72] dst_alloc+0x97/0x150 [ 3364.811494][ T72] ip6_dst_alloc+0x23/0x90 [ 3364.811494][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3364.811494][ T72] ip6_pol_route+0x56f/0x840 [ 3364.811494][ T72] fib6_rule_lookup+0x456/0x630 [ 3364.811494][ T72] ip6_route_input+0x59c/0xa50 [ 3364.811494][ T72] ipv6_rcv+0x397/0x810 [ 3364.811494][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3364.811494][ T72] process_backlog+0x101/0x620 [ 3364.811494][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3364.811494][ T72] net_rx_action+0x495/0xbe0 [ 3364.811494][ T72] __do_softirq+0x1b5/0x7f6 [ 3364.811494][ T72] [ 3364.813094][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3364.813094][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.813094][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.813094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.813094][ T72] ip6_route_add+0x1c/0x140 [ 3364.813094][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3364.813094][ T72] inet6_addr_add+0x4f8/0xa40 [ 3364.813094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.813094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.813094][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.813094][ T72] netlink_unicast+0x449/0x710 [ 3364.813094][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.813094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.813094][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.813094][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.813094][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.813094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.813094][ T72] [ 3364.815032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3364.815032][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.815032][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.815032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.815032][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3364.815032][ T72] ipv6_add_addr+0x411/0x2000 [ 3364.815032][ T72] inet6_addr_add+0x30e/0xa40 [ 3364.815032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.815032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.815032][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.815032][ T72] netlink_unicast+0x449/0x710 [ 3364.815032][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.815032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.815032][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.815032][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.815032][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.815032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.815032][ T72] [ 3364.816982][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3364.816982][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.816982][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.816982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.816982][ T72] ip6_route_add+0x1c/0x140 [ 3364.816982][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3364.816982][ T72] addrconf_add_dev+0xe2/0x170 [ 3364.816982][ T72] inet6_addr_add+0x12f/0xa40 [ 3364.816982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.816982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.816982][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.816982][ T72] netlink_unicast+0x449/0x710 [ 3364.816982][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.816982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.816982][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.816982][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.816982][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.816982][ T72] [ 3364.818917][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3364.818917][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3364.818917][ T72] ipv6_find_idev+0x102/0x170 [ 3364.818917][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.818917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.818917][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.818917][ T72] netlink_unicast+0x449/0x710 [ 3364.818917][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.818917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.818917][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.818917][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.818917][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.818917][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.818917][ T72] [ 3364.820427][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3364.820427][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3364.820427][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3364.820427][ T72] ipv6_find_idev+0x102/0x170 [ 3364.820427][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.820427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.820427][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.820427][ T72] netlink_unicast+0x449/0x710 [ 3364.820427][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.820427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.820427][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.820427][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.820427][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.820427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.820427][ T72] [ 3364.822118][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3364.822391][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3364.822391][ T72] dst_init+0x84/0x4a0 [ 3364.822391][ T72] dst_alloc+0x97/0x150 [ 3364.822391][ T72] ip6_dst_alloc+0x23/0x90 [ 3364.822391][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3364.822391][ T72] ip6_pol_route+0x56f/0x840 [ 3364.822391][ T72] fib6_rule_lookup+0x456/0x630 [ 3364.822391][ T72] ip6_route_input+0x59c/0xa50 [ 3364.822391][ T72] ipv6_rcv+0x397/0x810 [ 3364.822391][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3364.822391][ T72] process_backlog+0x101/0x620 [ 3364.822391][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3364.822391][ T72] net_rx_action+0x495/0xbe0 [ 3364.822391][ T72] __do_softirq+0x1b5/0x7f6 [ 3364.822391][ T72] [ 3364.824020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3364.824020][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.824020][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.824020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.824020][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3364.824020][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3364.824020][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3364.824020][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3364.824020][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3364.824020][ T72] addrconf_dad_begin+0x310/0x670 [ 3364.824020][ T72] addrconf_dad_work+0x10b/0xab0 [ 3364.824020][ T72] process_one_work+0x84d/0x18a0 [ 3364.824020][ T72] worker_thread+0x587/0xd30 [ 3364.824020][ T72] kthread+0x28a/0x350 [ 3364.824020][ T72] ret_from_fork+0x31/0x70 [ 3364.824020][ T72] ret_from_fork_asm+0x1a/0x30 [ 3364.824020][ T72] [ 3364.825928][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3364.825928][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.825928][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.825928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.825928][ T72] ip6_route_add+0x1c/0x140 [ 3364.825928][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3364.825928][ T72] inet6_addr_add+0x4f8/0xa40 [ 3364.825928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.825928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.825928][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.825928][ T72] netlink_unicast+0x449/0x710 [ 3364.825928][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.825928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.825928][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.825928][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.825928][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.825928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.825928][ T72] [ 3364.827947][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3364.827947][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.827947][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.827947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.827947][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3364.827947][ T72] ipv6_add_addr+0x411/0x2000 [ 3364.827947][ T72] inet6_addr_add+0x30e/0xa40 [ 3364.827947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.827947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.827947][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.827947][ T72] netlink_unicast+0x449/0x710 [ 3364.827947][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.827947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.827947][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.827947][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.827947][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.827947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.827947][ T72] [ 3364.830274][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3364.830274][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.830274][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.830274][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.830274][ T72] ip6_route_add+0x1c/0x140 [ 3364.830274][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3364.830274][ T72] addrconf_add_dev+0xe2/0x170 [ 3364.830274][ T72] inet6_addr_add+0x12f/0xa40 [ 3364.830274][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.830274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.830274][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.830274][ T72] netlink_unicast+0x449/0x710 [ 3364.830274][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.830274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.830274][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.830274][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.830274][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.830274][ T72] [ 3364.832212][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3364.832212][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3364.832212][ T72] ipv6_find_idev+0x102/0x170 [ 3364.832212][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.832212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.832212][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.832212][ T72] netlink_unicast+0x449/0x710 [ 3364.832212][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.832212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.832212][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.832212][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.832212][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.832212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.832212][ T72] [ 3364.833737][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3364.833737][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3364.833737][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3364.833737][ T72] ipv6_find_idev+0x102/0x170 [ 3364.833737][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.833737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.833737][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.833737][ T72] netlink_unicast+0x449/0x710 [ 3364.833737][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.833737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.833737][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.833737][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.833737][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.833737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.833737][ T72] [ 3364.835545][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3364.835831][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3364.835831][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3364.835831][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3364.835831][ T72] fib6_nh_init+0xa22/0x1580 [ 3364.835831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.835831][ T72] ip6_route_add+0x1c/0x140 [ 3364.835831][ T72] inet6_rtm_newroute+0x104/0x110 [ 3364.835831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.835831][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.835831][ T72] netlink_unicast+0x449/0x710 [ 3364.835831][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.835831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.835831][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.835831][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.835831][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.835831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.835831][ T72] [ 3364.838017][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3364.838017][ T72] dst_init+0x84/0x4a0 [ 3364.838017][ T72] dst_alloc+0x97/0x150 [ 3364.838017][ T72] ip6_dst_alloc+0x23/0x90 [ 3364.838017][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3364.838017][ T72] ip6_pol_route+0x56f/0x840 [ 3364.838017][ T72] fib6_rule_lookup+0x456/0x630 [ 3364.838017][ T72] ip6_route_input+0x59c/0xa50 [ 3364.838017][ T72] ipv6_rcv+0x397/0x810 [ 3364.838017][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3364.838017][ T72] process_backlog+0x101/0x620 [ 3364.838017][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3364.838017][ T72] net_rx_action+0x495/0xbe0 [ 3364.838017][ T72] __do_softirq+0x1b5/0x7f6 [ 3364.838017][ T72] [ 3364.839795][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3364.839795][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.839795][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.839795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.839795][ T72] ip6_route_add+0x1c/0x140 [ 3364.839795][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3364.839795][ T72] inet6_addr_add+0x4f8/0xa40 [ 3364.839795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.839795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.839795][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.839795][ T72] netlink_unicast+0x449/0x710 [ 3364.839795][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.839795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.839795][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.839795][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.839795][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.839795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.839795][ T72] [ 3364.841908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3364.841908][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.841908][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.841908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.841908][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3364.841908][ T72] ipv6_add_addr+0x411/0x2000 [ 3364.841908][ T72] inet6_addr_add+0x30e/0xa40 [ 3364.841908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.841908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.841908][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.841908][ T72] netlink_unicast+0x449/0x710 [ 3364.841908][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.841908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.841908][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.841908][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.841908][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.841908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.841908][ T72] [ 3364.844133][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3364.844133][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.844133][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.844133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.844133][ T72] ip6_route_add+0x1c/0x140 [ 3364.844133][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3364.844133][ T72] addrconf_add_dev+0xe2/0x170 [ 3364.844133][ T72] inet6_addr_add+0x12f/0xa40 [ 3364.844133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.844133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.844133][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.844133][ T72] netlink_unicast+0x449/0x710 [ 3364.844133][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.844133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.844133][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.844133][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.844133][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.844133][ T72] [ 3364.846369][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3364.846369][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3364.846369][ T72] ipv6_find_idev+0x102/0x170 [ 3364.846369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.846369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.846369][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.846369][ T72] netlink_unicast+0x449/0x710 [ 3364.846369][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.846369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.846369][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.846369][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.846369][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.846369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.846369][ T72] [ 3364.848069][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3364.848069][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3364.848069][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3364.848069][ T72] ipv6_find_idev+0x102/0x170 [ 3364.848069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.848069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.848069][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.848069][ T72] netlink_unicast+0x449/0x710 [ 3364.848069][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.848069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.848069][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.848069][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.848069][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.848069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.848069][ T72] [ 3364.849894][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3364.850227][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3364.850227][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.850227][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.850227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.850227][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3364.850227][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3364.850227][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3364.850227][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3364.850227][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3364.850227][ T72] addrconf_dad_begin+0x310/0x670 [ 3364.850227][ T72] addrconf_dad_work+0x10b/0xab0 [ 3364.850227][ T72] process_one_work+0x84d/0x18a0 [ 3364.850227][ T72] worker_thread+0x587/0xd30 [ 3364.850227][ T72] kthread+0x28a/0x350 [ 3364.850227][ T72] ret_from_fork+0x31/0x70 [ 3364.850227][ T72] ret_from_fork_asm+0x1a/0x30 [ 3364.850227][ T72] [ 3364.852264][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3364.852264][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.852264][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.852264][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.852264][ T72] ip6_route_add+0x1c/0x140 [ 3364.852264][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3364.852264][ T72] inet6_addr_add+0x4f8/0xa40 [ 3364.852264][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.852264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.852264][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.852264][ T72] netlink_unicast+0x449/0x710 [ 3364.852264][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.852264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.852264][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.852264][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.852264][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.852264][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.852264][ T72] [ 3364.854475][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3364.854475][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.854475][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.854475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.854475][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3364.854475][ T72] ipv6_add_addr+0x411/0x2000 [ 3364.854475][ T72] inet6_addr_add+0x30e/0xa40 [ 3364.854475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.854475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.854475][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.854475][ T72] netlink_unicast+0x449/0x710 [ 3364.854475][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.854475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.854475][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.854475][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.854475][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.854475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.854475][ T72] [ 3364.856794][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3364.856794][ T72] netdev_get_by_index+0x5e/0x80 [ 3364.856794][ T72] fib6_nh_init+0x3d8/0x1580 [ 3364.856794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3364.856794][ T72] ip6_route_add+0x1c/0x140 [ 3364.856794][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3364.856794][ T72] addrconf_add_dev+0xe2/0x170 [ 3364.856794][ T72] inet6_addr_add+0x12f/0xa40 [ 3364.856794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.856794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.856794][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.856794][ T72] netlink_unicast+0x449/0x710 [ 3364.856794][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.856794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.856794][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.856794][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.856794][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.856794][ T72] [ 3364.858986][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3364.858986][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3364.858986][ T72] ipv6_find_idev+0x102/0x170 [ 3364.858986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.858986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.858986][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.858986][ T72] netlink_unicast+0x449/0x710 [ 3364.858986][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.858986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.858986][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.858986][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.858986][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.858986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.858986][ T72] [ 3364.860672][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3364.860672][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3364.860672][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3364.860672][ T72] ipv6_find_idev+0x102/0x170 [ 3364.860672][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.860672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.860672][ T72] netlink_rcv_skb+0x130/0x360 [ 3364.860672][ T72] netlink_unicast+0x449/0x710 [ 3364.860672][ T72] netlink_sendmsg+0x723/0xbe0 [ 3364.860672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3364.860672][ T72] ___sys_sendmsg+0xee/0x170 [ 3364.860672][ T72] __sys_sendmsg+0xcd/0x170 [ 3364.860672][ T72] do_syscall_64+0xc6/0x1e0 [ 3364.860672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.860672][ T72] [ 3375.097003][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3375.097775][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3375.097775][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3375.097775][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3375.097775][ T72] fib6_nh_init+0xa22/0x1580 [ 3375.097775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.097775][ T72] ip6_route_add+0x1c/0x140 [ 3375.097775][ T72] inet6_rtm_newroute+0x104/0x110 [ 3375.097775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.097775][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.097775][ T72] netlink_unicast+0x449/0x710 [ 3375.097775][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.097775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.097775][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.097775][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.097775][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.097775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.097775][ T72] [ 3375.099610][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3375.099610][ T72] dst_init+0x84/0x4a0 [ 3375.099610][ T72] dst_alloc+0x97/0x150 [ 3375.099610][ T72] ip6_dst_alloc+0x23/0x90 [ 3375.099610][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3375.099610][ T72] ip6_pol_route+0x56f/0x840 [ 3375.099610][ T72] fib6_rule_lookup+0x456/0x630 [ 3375.099610][ T72] ip6_route_input+0x59c/0xa50 [ 3375.099610][ T72] ipv6_rcv+0x397/0x810 [ 3375.099610][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3375.099610][ T72] process_backlog+0x101/0x620 [ 3375.099610][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3375.099610][ T72] net_rx_action+0x495/0xbe0 [ 3375.099610][ T72] __do_softirq+0x1b5/0x7f6 [ 3375.099610][ T72] [ 3375.101240][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3375.101240][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.101240][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.101240][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.101240][ T72] ip6_route_add+0x1c/0x140 [ 3375.101240][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3375.101240][ T72] inet6_addr_add+0x4f8/0xa40 [ 3375.101240][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.101240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.101240][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.101240][ T72] netlink_unicast+0x449/0x710 [ 3375.101240][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.101240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.101240][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.101240][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.101240][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.101240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.101240][ T72] [ 3375.103251][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3375.103251][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.103251][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.103251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.103251][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3375.103251][ T72] ipv6_add_addr+0x411/0x2000 [ 3375.103251][ T72] inet6_addr_add+0x30e/0xa40 [ 3375.103251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.103251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.103251][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.103251][ T72] netlink_unicast+0x449/0x710 [ 3375.103251][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.103251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.103251][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.103251][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.103251][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.103251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.103251][ T72] [ 3375.105242][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3375.105242][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.105242][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.105242][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.105242][ T72] ip6_route_add+0x1c/0x140 [ 3375.105242][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3375.105242][ T72] addrconf_add_dev+0xe2/0x170 [ 3375.105242][ T72] inet6_addr_add+0x12f/0xa40 [ 3375.105242][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.105242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.105242][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.105242][ T72] netlink_unicast+0x449/0x710 [ 3375.105242][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.105242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.105242][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.105242][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.105242][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.105242][ T72] [ 3375.107166][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3375.107166][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3375.107166][ T72] ipv6_find_idev+0x102/0x170 [ 3375.107166][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.107166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.107166][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.107166][ T72] netlink_unicast+0x449/0x710 [ 3375.107166][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.107166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.107166][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.107166][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.107166][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.107166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.107166][ T72] [ 3375.108701][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3375.108701][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3375.108701][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3375.108701][ T72] ipv6_find_idev+0x102/0x170 [ 3375.108701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.108701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.108701][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.108701][ T72] netlink_unicast+0x449/0x710 [ 3375.108701][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.108701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.108701][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.108701][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.108701][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.108701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.108701][ T72] [ 3375.110376][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3375.110660][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3375.110660][ T72] dst_init+0x84/0x4a0 [ 3375.110660][ T72] dst_alloc+0x97/0x150 [ 3375.110660][ T72] ip6_dst_alloc+0x23/0x90 [ 3375.110660][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3375.110660][ T72] ip6_pol_route+0x56f/0x840 [ 3375.110660][ T72] fib6_rule_lookup+0x456/0x630 [ 3375.110660][ T72] ip6_route_input+0x59c/0xa50 [ 3375.110660][ T72] ipv6_rcv+0x397/0x810 [ 3375.110660][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3375.110660][ T72] process_backlog+0x101/0x620 [ 3375.110660][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3375.110660][ T72] net_rx_action+0x495/0xbe0 [ 3375.110660][ T72] __do_softirq+0x1b5/0x7f6 [ 3375.110660][ T72] [ 3375.112339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3375.112339][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.112339][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.112339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.112339][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3375.112339][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3375.112339][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3375.112339][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3375.112339][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3375.112339][ T72] addrconf_dad_begin+0x310/0x670 [ 3375.112339][ T72] addrconf_dad_work+0x10b/0xab0 [ 3375.112339][ T72] process_one_work+0x84d/0x18a0 [ 3375.112339][ T72] worker_thread+0x587/0xd30 [ 3375.112339][ T72] kthread+0x28a/0x350 [ 3375.112339][ T72] ret_from_fork+0x31/0x70 [ 3375.112339][ T72] ret_from_fork_asm+0x1a/0x30 [ 3375.112339][ T72] [ 3375.114259][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3375.114259][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.114259][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.114259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.114259][ T72] ip6_route_add+0x1c/0x140 [ 3375.114259][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3375.114259][ T72] inet6_addr_add+0x4f8/0xa40 [ 3375.114259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.114259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.114259][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.114259][ T72] netlink_unicast+0x449/0x710 [ 3375.114259][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.114259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.114259][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.114259][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.114259][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.114259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.114259][ T72] [ 3375.116258][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3375.116258][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.116258][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.116258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.116258][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3375.116258][ T72] ipv6_add_addr+0x411/0x2000 [ 3375.116258][ T72] inet6_addr_add+0x30e/0xa40 [ 3375.116258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.116258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.116258][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.116258][ T72] netlink_unicast+0x449/0x710 [ 3375.116258][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.116258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.116258][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.116258][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.116258][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.116258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.116258][ T72] [ 3375.118252][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3375.118252][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.118252][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.118252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.118252][ T72] ip6_route_add+0x1c/0x140 [ 3375.118252][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3375.118252][ T72] addrconf_add_dev+0xe2/0x170 [ 3375.118252][ T72] inet6_addr_add+0x12f/0xa40 [ 3375.118252][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.118252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.118252][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.118252][ T72] netlink_unicast+0x449/0x710 [ 3375.118252][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.118252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.118252][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.118252][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.118252][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.118252][ T72] [ 3375.120194][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3375.120194][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3375.120194][ T72] ipv6_find_idev+0x102/0x170 [ 3375.120194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.120194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.120194][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.120194][ T72] netlink_unicast+0x449/0x710 [ 3375.120194][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.120194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.120194][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.120194][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.120194][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.120194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.120194][ T72] [ 3375.121720][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3375.121720][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3375.121720][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3375.121720][ T72] ipv6_find_idev+0x102/0x170 [ 3375.121720][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.121720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.121720][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.121720][ T72] netlink_unicast+0x449/0x710 [ 3375.121720][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.121720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.121720][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.121720][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.121720][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.121720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.121720][ T72] [ 3375.123512][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3375.123780][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3375.123780][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3375.123780][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3375.123780][ T72] fib6_nh_init+0xa22/0x1580 [ 3375.123780][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.123780][ T72] ip6_route_add+0x1c/0x140 [ 3375.123780][ T72] inet6_rtm_newroute+0x104/0x110 [ 3375.123780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.123780][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.123780][ T72] netlink_unicast+0x449/0x710 [ 3375.123780][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.123780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.123780][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.123780][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.123780][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.123780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.123780][ T72] [ 3375.125925][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3375.125925][ T72] dst_init+0x84/0x4a0 [ 3375.125925][ T72] dst_alloc+0x97/0x150 [ 3375.125925][ T72] ip6_dst_alloc+0x23/0x90 [ 3375.125925][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3375.125925][ T72] ip6_pol_route+0x56f/0x840 [ 3375.125925][ T72] fib6_rule_lookup+0x456/0x630 [ 3375.125925][ T72] ip6_route_input+0x59c/0xa50 [ 3375.125925][ T72] ipv6_rcv+0x397/0x810 [ 3375.125925][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3375.125925][ T72] process_backlog+0x101/0x620 [ 3375.125925][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3375.125925][ T72] net_rx_action+0x495/0xbe0 [ 3375.125925][ T72] __do_softirq+0x1b5/0x7f6 [ 3375.125925][ T72] [ 3375.127736][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3375.127736][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.127736][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.127736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.127736][ T72] ip6_route_add+0x1c/0x140 [ 3375.127736][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3375.127736][ T72] inet6_addr_add+0x4f8/0xa40 [ 3375.127736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.127736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.127736][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.127736][ T72] netlink_unicast+0x449/0x710 [ 3375.127736][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.127736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.127736][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.127736][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.127736][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.127736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.127736][ T72] [ 3375.129888][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3375.129888][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.129888][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.129888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.129888][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3375.129888][ T72] ipv6_add_addr+0x411/0x2000 [ 3375.129888][ T72] inet6_addr_add+0x30e/0xa40 [ 3375.129888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.129888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.129888][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.129888][ T72] netlink_unicast+0x449/0x710 [ 3375.129888][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.129888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.129888][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.129888][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.129888][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.129888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.129888][ T72] [ 3375.132127][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3375.132127][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.132127][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.132127][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.132127][ T72] ip6_route_add+0x1c/0x140 [ 3375.132127][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3375.132127][ T72] addrconf_add_dev+0xe2/0x170 [ 3375.132127][ T72] inet6_addr_add+0x12f/0xa40 [ 3375.132127][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.132127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.132127][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.132127][ T72] netlink_unicast+0x449/0x710 [ 3375.132127][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.132127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.132127][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.132127][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.132127][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.132127][ T72] [ 3375.134375][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3375.134375][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3375.134375][ T72] ipv6_find_idev+0x102/0x170 [ 3375.134375][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.134375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.134375][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.134375][ T72] netlink_unicast+0x449/0x710 [ 3375.134375][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.134375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.134375][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.134375][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.134375][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.134375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.134375][ T72] [ 3375.136093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3375.136093][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3375.136093][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3375.136093][ T72] ipv6_find_idev+0x102/0x170 [ 3375.136093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.136093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.136093][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.136093][ T72] netlink_unicast+0x449/0x710 [ 3375.136093][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.136093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.136093][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.136093][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.136093][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.136093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.136093][ T72] [ 3375.137929][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3375.138270][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3375.138270][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.138270][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.138270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.138270][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3375.138270][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3375.138270][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3375.138270][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3375.138270][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3375.138270][ T72] addrconf_dad_begin+0x310/0x670 [ 3375.138270][ T72] addrconf_dad_work+0x10b/0xab0 [ 3375.138270][ T72] process_one_work+0x84d/0x18a0 [ 3375.138270][ T72] worker_thread+0x587/0xd30 [ 3375.138270][ T72] kthread+0x28a/0x350 [ 3375.138270][ T72] ret_from_fork+0x31/0x70 [ 3375.138270][ T72] ret_from_fork_asm+0x1a/0x30 [ 3375.138270][ T72] [ 3375.140277][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3375.140277][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.140277][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.140277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.140277][ T72] ip6_route_add+0x1c/0x140 [ 3375.140277][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3375.140277][ T72] inet6_addr_add+0x4f8/0xa40 [ 3375.140277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.140277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.140277][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.140277][ T72] netlink_unicast+0x449/0x710 [ 3375.140277][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.140277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.140277][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.140277][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.140277][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.140277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.140277][ T72] [ 3375.142437][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3375.142437][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.142437][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.142437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.142437][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3375.142437][ T72] ipv6_add_addr+0x411/0x2000 [ 3375.142437][ T72] inet6_addr_add+0x30e/0xa40 [ 3375.142437][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.142437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.142437][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.142437][ T72] netlink_unicast+0x449/0x710 [ 3375.142437][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.142437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.142437][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.142437][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.142437][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.142437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.142437][ T72] [ 3375.144683][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3375.144683][ T72] netdev_get_by_index+0x5e/0x80 [ 3375.144683][ T72] fib6_nh_init+0x3d8/0x1580 [ 3375.144683][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3375.144683][ T72] ip6_route_add+0x1c/0x140 [ 3375.144683][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3375.144683][ T72] addrconf_add_dev+0xe2/0x170 [ 3375.144683][ T72] inet6_addr_add+0x12f/0xa40 [ 3375.144683][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.144683][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.144683][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.144683][ T72] netlink_unicast+0x449/0x710 [ 3375.144683][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.144683][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.144683][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.144683][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.144683][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.144683][ T72] [ 3375.146835][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3375.146835][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3375.146835][ T72] ipv6_find_idev+0x102/0x170 [ 3375.146835][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.146835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.146835][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.146835][ T72] netlink_unicast+0x449/0x710 [ 3375.146835][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.146835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.146835][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.146835][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.146835][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.146835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.146835][ T72] [ 3375.148546][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3375.148546][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3375.148546][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3375.148546][ T72] ipv6_find_idev+0x102/0x170 [ 3375.148546][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.148546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.148546][ T72] netlink_rcv_skb+0x130/0x360 [ 3375.148546][ T72] netlink_unicast+0x449/0x710 [ 3375.148546][ T72] netlink_sendmsg+0x723/0xbe0 [ 3375.148546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3375.148546][ T72] ___sys_sendmsg+0xee/0x170 [ 3375.148546][ T72] __sys_sendmsg+0xcd/0x170 [ 3375.148546][ T72] do_syscall_64+0xc6/0x1e0 [ 3375.148546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.148546][ T72] [ 3385.392978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3385.393619][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3385.393619][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3385.393619][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3385.393619][ T72] fib6_nh_init+0xa22/0x1580 [ 3385.393619][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.393619][ T72] ip6_route_add+0x1c/0x140 [ 3385.393619][ T72] inet6_rtm_newroute+0x104/0x110 [ 3385.393619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.393619][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.393619][ T72] netlink_unicast+0x449/0x710 [ 3385.393619][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.393619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.393619][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.393619][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.393619][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.393619][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.393619][ T72] [ 3385.395452][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3385.395452][ T72] dst_init+0x84/0x4a0 [ 3385.395452][ T72] dst_alloc+0x97/0x150 [ 3385.395452][ T72] ip6_dst_alloc+0x23/0x90 [ 3385.395452][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3385.395452][ T72] ip6_pol_route+0x56f/0x840 [ 3385.395452][ T72] fib6_rule_lookup+0x456/0x630 [ 3385.395452][ T72] ip6_route_input+0x59c/0xa50 [ 3385.395452][ T72] ipv6_rcv+0x397/0x810 [ 3385.395452][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3385.395452][ T72] process_backlog+0x101/0x620 [ 3385.395452][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3385.395452][ T72] net_rx_action+0x495/0xbe0 [ 3385.395452][ T72] __do_softirq+0x1b5/0x7f6 [ 3385.395452][ T72] [ 3385.397093][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3385.397093][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.397093][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.397093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.397093][ T72] ip6_route_add+0x1c/0x140 [ 3385.397093][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3385.397093][ T72] inet6_addr_add+0x4f8/0xa40 [ 3385.397093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.397093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.397093][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.397093][ T72] netlink_unicast+0x449/0x710 [ 3385.397093][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.397093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.397093][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.397093][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.397093][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.397093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.397093][ T72] [ 3385.399093][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3385.399093][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.399093][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.399093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.399093][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3385.399093][ T72] ipv6_add_addr+0x411/0x2000 [ 3385.399093][ T72] inet6_addr_add+0x30e/0xa40 [ 3385.399093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.399093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.399093][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.399093][ T72] netlink_unicast+0x449/0x710 [ 3385.399093][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.399093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.399093][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.399093][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.399093][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.399093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.399093][ T72] [ 3385.401054][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3385.401054][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.401054][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.401054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.401054][ T72] ip6_route_add+0x1c/0x140 [ 3385.401054][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3385.401054][ T72] addrconf_add_dev+0xe2/0x170 [ 3385.401054][ T72] inet6_addr_add+0x12f/0xa40 [ 3385.401054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.401054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.401054][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.401054][ T72] netlink_unicast+0x449/0x710 [ 3385.401054][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.401054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.401054][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.401054][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.401054][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.401054][ T72] [ 3385.403062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3385.403062][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3385.403062][ T72] ipv6_find_idev+0x102/0x170 [ 3385.403062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.403062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.403062][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.403062][ T72] netlink_unicast+0x449/0x710 [ 3385.403062][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.403062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.403062][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.403062][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.403062][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.403062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.403062][ T72] [ 3385.404593][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3385.404593][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3385.404593][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3385.404593][ T72] ipv6_find_idev+0x102/0x170 [ 3385.404593][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.404593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.404593][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.404593][ T72] netlink_unicast+0x449/0x710 [ 3385.404593][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.404593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.404593][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.404593][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.404593][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.404593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.404593][ T72] [ 3385.406265][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3385.406540][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3385.406540][ T72] dst_init+0x84/0x4a0 [ 3385.406540][ T72] dst_alloc+0x97/0x150 [ 3385.406540][ T72] ip6_dst_alloc+0x23/0x90 [ 3385.406540][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3385.406540][ T72] ip6_pol_route+0x56f/0x840 [ 3385.406540][ T72] fib6_rule_lookup+0x456/0x630 [ 3385.406540][ T72] ip6_route_input+0x59c/0xa50 [ 3385.406540][ T72] ipv6_rcv+0x397/0x810 [ 3385.406540][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3385.406540][ T72] process_backlog+0x101/0x620 [ 3385.406540][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3385.406540][ T72] net_rx_action+0x495/0xbe0 [ 3385.406540][ T72] __do_softirq+0x1b5/0x7f6 [ 3385.406540][ T72] [ 3385.408184][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3385.408184][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.408184][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.408184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.408184][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3385.408184][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3385.408184][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3385.408184][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3385.408184][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3385.408184][ T72] addrconf_dad_begin+0x310/0x670 [ 3385.408184][ T72] addrconf_dad_work+0x10b/0xab0 [ 3385.408184][ T72] process_one_work+0x84d/0x18a0 [ 3385.408184][ T72] worker_thread+0x587/0xd30 [ 3385.408184][ T72] kthread+0x28a/0x350 [ 3385.408184][ T72] ret_from_fork+0x31/0x70 [ 3385.408184][ T72] ret_from_fork_asm+0x1a/0x30 [ 3385.408184][ T72] [ 3385.410100][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3385.410100][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.410100][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.410100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.410100][ T72] ip6_route_add+0x1c/0x140 [ 3385.410100][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3385.410100][ T72] inet6_addr_add+0x4f8/0xa40 [ 3385.410100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.410100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.410100][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.410100][ T72] netlink_unicast+0x449/0x710 [ 3385.410100][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.410100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.410100][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.410100][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.410100][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.410100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.410100][ T72] [ 3385.412063][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3385.412063][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.412063][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.412063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.412063][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3385.412063][ T72] ipv6_add_addr+0x411/0x2000 [ 3385.412063][ T72] inet6_addr_add+0x30e/0xa40 [ 3385.412063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.412063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.412063][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.412063][ T72] netlink_unicast+0x449/0x710 [ 3385.412063][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.412063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.412063][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.412063][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.412063][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.412063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.412063][ T72] [ 3385.414066][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3385.414066][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.414066][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.414066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.414066][ T72] ip6_route_add+0x1c/0x140 [ 3385.414066][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3385.414066][ T72] addrconf_add_dev+0xe2/0x170 [ 3385.414066][ T72] inet6_addr_add+0x12f/0xa40 [ 3385.414066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.414066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.414066][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.414066][ T72] netlink_unicast+0x449/0x710 [ 3385.414066][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.414066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.414066][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.414066][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.414066][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.414066][ T72] [ 3385.416043][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3385.416043][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3385.416043][ T72] ipv6_find_idev+0x102/0x170 [ 3385.416043][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.416043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.416043][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.416043][ T72] netlink_unicast+0x449/0x710 [ 3385.416043][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.416043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.416043][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.416043][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.416043][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.416043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.416043][ T72] [ 3385.417574][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3385.417574][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3385.417574][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3385.417574][ T72] ipv6_find_idev+0x102/0x170 [ 3385.417574][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.417574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.417574][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.417574][ T72] netlink_unicast+0x449/0x710 [ 3385.417574][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.417574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.417574][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.417574][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.417574][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.417574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.417574][ T72] [ 3385.419355][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3385.419628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3385.419628][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3385.419628][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3385.419628][ T72] fib6_nh_init+0xa22/0x1580 [ 3385.419628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.419628][ T72] ip6_route_add+0x1c/0x140 [ 3385.419628][ T72] inet6_rtm_newroute+0x104/0x110 [ 3385.419628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.419628][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.419628][ T72] netlink_unicast+0x449/0x710 [ 3385.419628][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.419628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.419628][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.419628][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.419628][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.419628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.419628][ T72] [ 3385.421812][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3385.421812][ T72] dst_init+0x84/0x4a0 [ 3385.421812][ T72] dst_alloc+0x97/0x150 [ 3385.421812][ T72] ip6_dst_alloc+0x23/0x90 [ 3385.421812][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3385.421812][ T72] ip6_pol_route+0x56f/0x840 [ 3385.421812][ T72] fib6_rule_lookup+0x456/0x630 [ 3385.421812][ T72] ip6_route_input+0x59c/0xa50 [ 3385.421812][ T72] ipv6_rcv+0x397/0x810 [ 3385.421812][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3385.421812][ T72] process_backlog+0x101/0x620 [ 3385.421812][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3385.421812][ T72] net_rx_action+0x495/0xbe0 [ 3385.421812][ T72] __do_softirq+0x1b5/0x7f6 [ 3385.421812][ T72] [ 3385.423614][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3385.423614][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.423614][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.423614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.423614][ T72] ip6_route_add+0x1c/0x140 [ 3385.423614][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3385.423614][ T72] inet6_addr_add+0x4f8/0xa40 [ 3385.423614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.423614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.423614][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.423614][ T72] netlink_unicast+0x449/0x710 [ 3385.423614][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.423614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.423614][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.423614][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.423614][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.423614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.423614][ T72] [ 3385.426181][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3385.426181][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.426181][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.426181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.426181][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3385.426181][ T72] ipv6_add_addr+0x411/0x2000 [ 3385.426181][ T72] inet6_addr_add+0x30e/0xa40 [ 3385.426181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.426181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.426181][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.426181][ T72] netlink_unicast+0x449/0x710 [ 3385.426181][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.426181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.426181][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.426181][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.426181][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.426181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.426181][ T72] [ 3385.428290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3385.428290][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.428290][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.428290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.428290][ T72] ip6_route_add+0x1c/0x140 [ 3385.428290][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3385.428290][ T72] addrconf_add_dev+0xe2/0x170 [ 3385.428290][ T72] inet6_addr_add+0x12f/0xa40 [ 3385.428290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.428290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.428290][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.428290][ T72] netlink_unicast+0x449/0x710 [ 3385.428290][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.428290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.428290][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.428290][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.428290][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.428290][ T72] [ 3385.430303][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3385.430303][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3385.430303][ T72] ipv6_find_idev+0x102/0x170 [ 3385.430303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.430303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.430303][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.430303][ T72] netlink_unicast+0x449/0x710 [ 3385.430303][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.430303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.430303][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.430303][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.430303][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.430303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.430303][ T72] [ 3385.431897][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3385.431897][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3385.431897][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3385.431897][ T72] ipv6_find_idev+0x102/0x170 [ 3385.431897][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.431897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.431897][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.431897][ T72] netlink_unicast+0x449/0x710 [ 3385.431897][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.431897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.431897][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.431897][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.431897][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.431897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.431897][ T72] [ 3385.434032][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3385.434382][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3385.434382][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.434382][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.434382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.434382][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3385.434382][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3385.434382][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3385.434382][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3385.434382][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3385.434382][ T72] addrconf_dad_begin+0x310/0x670 [ 3385.434382][ T72] addrconf_dad_work+0x10b/0xab0 [ 3385.434382][ T72] process_one_work+0x84d/0x18a0 [ 3385.434382][ T72] worker_thread+0x587/0xd30 [ 3385.434382][ T72] kthread+0x28a/0x350 [ 3385.434382][ T72] ret_from_fork+0x31/0x70 [ 3385.434382][ T72] ret_from_fork_asm+0x1a/0x30 [ 3385.434382][ T72] [ 3385.436272][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3385.436272][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.436272][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.436272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.436272][ T72] ip6_route_add+0x1c/0x140 [ 3385.436272][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3385.436272][ T72] inet6_addr_add+0x4f8/0xa40 [ 3385.436272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.436272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.436272][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.436272][ T72] netlink_unicast+0x449/0x710 [ 3385.436272][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.436272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.436272][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.436272][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.436272][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.436272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.436272][ T72] [ 3385.438396][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3385.438396][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.438396][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.438396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.438396][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3385.438396][ T72] ipv6_add_addr+0x411/0x2000 [ 3385.438396][ T72] inet6_addr_add+0x30e/0xa40 [ 3385.438396][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.438396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.438396][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.438396][ T72] netlink_unicast+0x449/0x710 [ 3385.438396][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.438396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.438396][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.438396][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.438396][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.438396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.438396][ T72] [ 3385.440787][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3385.440787][ T72] netdev_get_by_index+0x5e/0x80 [ 3385.440787][ T72] fib6_nh_init+0x3d8/0x1580 [ 3385.440787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3385.440787][ T72] ip6_route_add+0x1c/0x140 [ 3385.440787][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3385.440787][ T72] addrconf_add_dev+0xe2/0x170 [ 3385.440787][ T72] inet6_addr_add+0x12f/0xa40 [ 3385.440787][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.440787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.440787][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.440787][ T72] netlink_unicast+0x449/0x710 [ 3385.440787][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.440787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.440787][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.440787][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.440787][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.440787][ T72] [ 3385.442876][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3385.442876][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3385.442876][ T72] ipv6_find_idev+0x102/0x170 [ 3385.442876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.442876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.442876][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.442876][ T72] netlink_unicast+0x449/0x710 [ 3385.442876][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.442876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.442876][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.442876][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.442876][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.442876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.442876][ T72] [ 3385.444476][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3385.444476][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3385.444476][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3385.444476][ T72] ipv6_find_idev+0x102/0x170 [ 3385.444476][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.444476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.444476][ T72] netlink_rcv_skb+0x130/0x360 [ 3385.444476][ T72] netlink_unicast+0x449/0x710 [ 3385.444476][ T72] netlink_sendmsg+0x723/0xbe0 [ 3385.444476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3385.444476][ T72] ___sys_sendmsg+0xee/0x170 [ 3385.444476][ T72] __sys_sendmsg+0xcd/0x170 [ 3385.444476][ T72] do_syscall_64+0xc6/0x1e0 [ 3385.444476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.444476][ T72] [ 3395.688978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3395.689749][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3395.689749][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3395.689749][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3395.689749][ T72] fib6_nh_init+0xa22/0x1580 [ 3395.689749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.689749][ T72] ip6_route_add+0x1c/0x140 [ 3395.689749][ T72] inet6_rtm_newroute+0x104/0x110 [ 3395.689749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.689749][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.689749][ T72] netlink_unicast+0x449/0x710 [ 3395.689749][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.689749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.689749][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.689749][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.689749][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.689749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.689749][ T72] [ 3395.691632][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3395.691632][ T72] dst_init+0x84/0x4a0 [ 3395.691632][ T72] dst_alloc+0x97/0x150 [ 3395.691632][ T72] ip6_dst_alloc+0x23/0x90 [ 3395.691632][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3395.691632][ T72] ip6_pol_route+0x56f/0x840 [ 3395.691632][ T72] fib6_rule_lookup+0x456/0x630 [ 3395.691632][ T72] ip6_route_input+0x59c/0xa50 [ 3395.691632][ T72] ipv6_rcv+0x397/0x810 [ 3395.691632][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3395.691632][ T72] process_backlog+0x101/0x620 [ 3395.691632][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3395.691632][ T72] net_rx_action+0x495/0xbe0 [ 3395.691632][ T72] __do_softirq+0x1b5/0x7f6 [ 3395.691632][ T72] [ 3395.693284][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3395.693284][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.693284][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.693284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.693284][ T72] ip6_route_add+0x1c/0x140 [ 3395.693284][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3395.693284][ T72] inet6_addr_add+0x4f8/0xa40 [ 3395.693284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.693284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.693284][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.693284][ T72] netlink_unicast+0x449/0x710 [ 3395.693284][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.693284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.693284][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.693284][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.693284][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.693284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.693284][ T72] [ 3395.695268][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3395.695268][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.695268][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.695268][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.695268][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3395.695268][ T72] ipv6_add_addr+0x411/0x2000 [ 3395.695268][ T72] inet6_addr_add+0x30e/0xa40 [ 3395.695268][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.695268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.695268][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.695268][ T72] netlink_unicast+0x449/0x710 [ 3395.695268][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.695268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.695268][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.695268][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.695268][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.695268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.695268][ T72] [ 3395.697267][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3395.697267][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.697267][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.697267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.697267][ T72] ip6_route_add+0x1c/0x140 [ 3395.697267][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3395.697267][ T72] addrconf_add_dev+0xe2/0x170 [ 3395.697267][ T72] inet6_addr_add+0x12f/0xa40 [ 3395.697267][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.697267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.697267][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.697267][ T72] netlink_unicast+0x449/0x710 [ 3395.697267][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.697267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.697267][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.697267][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.697267][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.697267][ T72] [ 3395.699207][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3395.699207][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3395.699207][ T72] ipv6_find_idev+0x102/0x170 [ 3395.699207][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.699207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.699207][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.699207][ T72] netlink_unicast+0x449/0x710 [ 3395.699207][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.699207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.699207][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.699207][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.699207][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.699207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.699207][ T72] [ 3395.700749][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3395.700749][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3395.700749][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3395.700749][ T72] ipv6_find_idev+0x102/0x170 [ 3395.700749][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.700749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.700749][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.700749][ T72] netlink_unicast+0x449/0x710 [ 3395.700749][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.700749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.700749][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.700749][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.700749][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.700749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.700749][ T72] [ 3395.702438][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3395.702709][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3395.702709][ T72] dst_init+0x84/0x4a0 [ 3395.702709][ T72] dst_alloc+0x97/0x150 [ 3395.702709][ T72] ip6_dst_alloc+0x23/0x90 [ 3395.702709][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3395.702709][ T72] ip6_pol_route+0x56f/0x840 [ 3395.702709][ T72] fib6_rule_lookup+0x456/0x630 [ 3395.702709][ T72] ip6_route_input+0x59c/0xa50 [ 3395.702709][ T72] ipv6_rcv+0x397/0x810 [ 3395.702709][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3395.702709][ T72] process_backlog+0x101/0x620 [ 3395.702709][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3395.702709][ T72] net_rx_action+0x495/0xbe0 [ 3395.702709][ T72] __do_softirq+0x1b5/0x7f6 [ 3395.702709][ T72] [ 3395.704337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3395.704337][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.704337][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.704337][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.704337][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3395.704337][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3395.704337][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3395.704337][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3395.704337][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3395.704337][ T72] addrconf_dad_begin+0x310/0x670 [ 3395.704337][ T72] addrconf_dad_work+0x10b/0xab0 [ 3395.704337][ T72] process_one_work+0x84d/0x18a0 [ 3395.704337][ T72] worker_thread+0x587/0xd30 [ 3395.704337][ T72] kthread+0x28a/0x350 [ 3395.704337][ T72] ret_from_fork+0x31/0x70 [ 3395.704337][ T72] ret_from_fork_asm+0x1a/0x30 [ 3395.704337][ T72] [ 3395.706224][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3395.706224][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.706224][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.706224][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.706224][ T72] ip6_route_add+0x1c/0x140 [ 3395.706224][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3395.706224][ T72] inet6_addr_add+0x4f8/0xa40 [ 3395.706224][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.706224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.706224][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.706224][ T72] netlink_unicast+0x449/0x710 [ 3395.706224][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.706224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.706224][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.706224][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.706224][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.706224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.706224][ T72] [ 3395.708193][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3395.708193][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.708193][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.708193][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.708193][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3395.708193][ T72] ipv6_add_addr+0x411/0x2000 [ 3395.708193][ T72] inet6_addr_add+0x30e/0xa40 [ 3395.708193][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.708193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.708193][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.708193][ T72] netlink_unicast+0x449/0x710 [ 3395.708193][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.708193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.708193][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.708193][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.708193][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.708193][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.708193][ T72] [ 3395.710237][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3395.710237][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.710237][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.710237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.710237][ T72] ip6_route_add+0x1c/0x140 [ 3395.710237][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3395.710237][ T72] addrconf_add_dev+0xe2/0x170 [ 3395.710237][ T72] inet6_addr_add+0x12f/0xa40 [ 3395.710237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.710237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.710237][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.710237][ T72] netlink_unicast+0x449/0x710 [ 3395.710237][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.710237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.710237][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.710237][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.710237][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.710237][ T72] [ 3395.712220][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3395.712220][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3395.712220][ T72] ipv6_find_idev+0x102/0x170 [ 3395.712220][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.712220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.712220][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.712220][ T72] netlink_unicast+0x449/0x710 [ 3395.712220][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.712220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.712220][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.712220][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.712220][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.712220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.712220][ T72] [ 3395.713749][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3395.713749][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3395.713749][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3395.713749][ T72] ipv6_find_idev+0x102/0x170 [ 3395.713749][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.713749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.713749][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.713749][ T72] netlink_unicast+0x449/0x710 [ 3395.713749][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.713749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.713749][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.713749][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.713749][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.713749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.713749][ T72] [ 3395.715549][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3395.715816][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3395.715816][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3395.715816][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3395.715816][ T72] fib6_nh_init+0xa22/0x1580 [ 3395.715816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.715816][ T72] ip6_route_add+0x1c/0x140 [ 3395.715816][ T72] inet6_rtm_newroute+0x104/0x110 [ 3395.715816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.715816][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.715816][ T72] netlink_unicast+0x449/0x710 [ 3395.715816][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.715816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.715816][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.715816][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.715816][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.715816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.715816][ T72] [ 3395.717984][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3395.717984][ T72] dst_init+0x84/0x4a0 [ 3395.717984][ T72] dst_alloc+0x97/0x150 [ 3395.717984][ T72] ip6_dst_alloc+0x23/0x90 [ 3395.717984][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3395.717984][ T72] ip6_pol_route+0x56f/0x840 [ 3395.717984][ T72] fib6_rule_lookup+0x456/0x630 [ 3395.717984][ T72] ip6_route_input+0x59c/0xa50 [ 3395.717984][ T72] ipv6_rcv+0x397/0x810 [ 3395.717984][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3395.717984][ T72] process_backlog+0x101/0x620 [ 3395.717984][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3395.717984][ T72] net_rx_action+0x495/0xbe0 [ 3395.717984][ T72] __do_softirq+0x1b5/0x7f6 [ 3395.717984][ T72] [ 3395.719874][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3395.719874][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.719874][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.719874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.719874][ T72] ip6_route_add+0x1c/0x140 [ 3395.719874][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3395.719874][ T72] inet6_addr_add+0x4f8/0xa40 [ 3395.719874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.719874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.719874][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.719874][ T72] netlink_unicast+0x449/0x710 [ 3395.719874][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.719874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.719874][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.719874][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.719874][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.719874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.719874][ T72] [ 3395.722233][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3395.722233][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.722233][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.722233][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.722233][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3395.722233][ T72] ipv6_add_addr+0x411/0x2000 [ 3395.722233][ T72] inet6_addr_add+0x30e/0xa40 [ 3395.722233][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.722233][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.722233][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.722233][ T72] netlink_unicast+0x449/0x710 [ 3395.722233][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.722233][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.722233][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.722233][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.722233][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.722233][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.722233][ T72] [ 3395.724653][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3395.724653][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.724653][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.724653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.724653][ T72] ip6_route_add+0x1c/0x140 [ 3395.724653][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3395.724653][ T72] addrconf_add_dev+0xe2/0x170 [ 3395.724653][ T72] inet6_addr_add+0x12f/0xa40 [ 3395.724653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.724653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.724653][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.724653][ T72] netlink_unicast+0x449/0x710 [ 3395.724653][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.724653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.724653][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.724653][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.724653][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.724653][ T72] [ 3395.727100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3395.727100][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3395.727100][ T72] ipv6_find_idev+0x102/0x170 [ 3395.727100][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.727100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.727100][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.727100][ T72] netlink_unicast+0x449/0x710 [ 3395.727100][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.727100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.727100][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.727100][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.727100][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.727100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.727100][ T72] [ 3395.728961][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3395.728961][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3395.728961][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3395.728961][ T72] ipv6_find_idev+0x102/0x170 [ 3395.728961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.728961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.728961][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.728961][ T72] netlink_unicast+0x449/0x710 [ 3395.728961][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.728961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.728961][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.728961][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.728961][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.728961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.728961][ T72] [ 3395.730974][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3395.731332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3395.731332][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.731332][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.731332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.731332][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3395.731332][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3395.731332][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3395.731332][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3395.731332][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3395.731332][ T72] addrconf_dad_begin+0x310/0x670 [ 3395.731332][ T72] addrconf_dad_work+0x10b/0xab0 [ 3395.731332][ T72] process_one_work+0x84d/0x18a0 [ 3395.731332][ T72] worker_thread+0x587/0xd30 [ 3395.731332][ T72] kthread+0x28a/0x350 [ 3395.731332][ T72] ret_from_fork+0x31/0x70 [ 3395.731332][ T72] ret_from_fork_asm+0x1a/0x30 [ 3395.731332][ T72] [ 3395.733378][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3395.733378][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.733378][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.733378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.733378][ T72] ip6_route_add+0x1c/0x140 [ 3395.733378][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3395.733378][ T72] inet6_addr_add+0x4f8/0xa40 [ 3395.733378][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.733378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.733378][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.733378][ T72] netlink_unicast+0x449/0x710 [ 3395.733378][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.733378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.733378][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.733378][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.733378][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.733378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.733378][ T72] [ 3395.735612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3395.735612][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.735612][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.735612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.735612][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3395.735612][ T72] ipv6_add_addr+0x411/0x2000 [ 3395.735612][ T72] inet6_addr_add+0x30e/0xa40 [ 3395.735612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.735612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.735612][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.735612][ T72] netlink_unicast+0x449/0x710 [ 3395.735612][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.735612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.735612][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.735612][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.735612][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.735612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.735612][ T72] [ 3395.737896][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3395.737896][ T72] netdev_get_by_index+0x5e/0x80 [ 3395.737896][ T72] fib6_nh_init+0x3d8/0x1580 [ 3395.737896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3395.737896][ T72] ip6_route_add+0x1c/0x140 [ 3395.737896][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3395.737896][ T72] addrconf_add_dev+0xe2/0x170 [ 3395.737896][ T72] inet6_addr_add+0x12f/0xa40 [ 3395.737896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.737896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.737896][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.737896][ T72] netlink_unicast+0x449/0x710 [ 3395.737896][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.737896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.737896][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.737896][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.737896][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.737896][ T72] [ 3395.740101][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3395.740101][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3395.740101][ T72] ipv6_find_idev+0x102/0x170 [ 3395.740101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.740101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.740101][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.740101][ T72] netlink_unicast+0x449/0x710 [ 3395.740101][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.740101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.740101][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.740101][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.740101][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.740101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.740101][ T72] [ 3395.741903][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3395.741903][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3395.741903][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3395.741903][ T72] ipv6_find_idev+0x102/0x170 [ 3395.741903][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.741903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.741903][ T72] netlink_rcv_skb+0x130/0x360 [ 3395.741903][ T72] netlink_unicast+0x449/0x710 [ 3395.741903][ T72] netlink_sendmsg+0x723/0xbe0 [ 3395.741903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3395.741903][ T72] ___sys_sendmsg+0xee/0x170 [ 3395.741903][ T72] __sys_sendmsg+0xcd/0x170 [ 3395.741903][ T72] do_syscall_64+0xc6/0x1e0 [ 3395.741903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.741903][ T72] [ 3405.984986][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3405.985779][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3405.985779][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3405.985779][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3405.985779][ T72] fib6_nh_init+0xa22/0x1580 [ 3405.985779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3405.985779][ T72] ip6_route_add+0x1c/0x140 [ 3405.985779][ T72] inet6_rtm_newroute+0x104/0x110 [ 3405.985779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.985779][ T72] netlink_rcv_skb+0x130/0x360 [ 3405.985779][ T72] netlink_unicast+0x449/0x710 [ 3405.985779][ T72] netlink_sendmsg+0x723/0xbe0 [ 3405.985779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3405.985779][ T72] ___sys_sendmsg+0xee/0x170 [ 3405.985779][ T72] __sys_sendmsg+0xcd/0x170 [ 3405.985779][ T72] do_syscall_64+0xc6/0x1e0 [ 3405.985779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.985779][ T72] [ 3405.987621][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3405.987621][ T72] dst_init+0x84/0x4a0 [ 3405.987621][ T72] dst_alloc+0x97/0x150 [ 3405.987621][ T72] ip6_dst_alloc+0x23/0x90 [ 3405.987621][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3405.987621][ T72] ip6_pol_route+0x56f/0x840 [ 3405.987621][ T72] fib6_rule_lookup+0x456/0x630 [ 3405.987621][ T72] ip6_route_input+0x59c/0xa50 [ 3405.987621][ T72] ipv6_rcv+0x397/0x810 [ 3405.987621][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3405.987621][ T72] process_backlog+0x101/0x620 [ 3405.987621][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3405.987621][ T72] net_rx_action+0x495/0xbe0 [ 3405.987621][ T72] __do_softirq+0x1b5/0x7f6 [ 3405.987621][ T72] [ 3405.989211][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3405.989211][ T72] netdev_get_by_index+0x5e/0x80 [ 3405.989211][ T72] fib6_nh_init+0x3d8/0x1580 [ 3405.989211][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3405.989211][ T72] ip6_route_add+0x1c/0x140 [ 3405.989211][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3405.989211][ T72] inet6_addr_add+0x4f8/0xa40 [ 3405.989211][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3405.989211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.989211][ T72] netlink_rcv_skb+0x130/0x360 [ 3405.989211][ T72] netlink_unicast+0x449/0x710 [ 3405.989211][ T72] netlink_sendmsg+0x723/0xbe0 [ 3405.989211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3405.989211][ T72] ___sys_sendmsg+0xee/0x170 [ 3405.989211][ T72] __sys_sendmsg+0xcd/0x170 [ 3405.989211][ T72] do_syscall_64+0xc6/0x1e0 [ 3405.989211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.989211][ T72] [ 3405.991156][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3405.991156][ T72] netdev_get_by_index+0x5e/0x80 [ 3405.991156][ T72] fib6_nh_init+0x3d8/0x1580 [ 3405.991156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3405.991156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3405.991156][ T72] ipv6_add_addr+0x411/0x2000 [ 3405.991156][ T72] inet6_addr_add+0x30e/0xa40 [ 3405.991156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3405.991156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.991156][ T72] netlink_rcv_skb+0x130/0x360 [ 3405.991156][ T72] netlink_unicast+0x449/0x710 [ 3405.991156][ T72] netlink_sendmsg+0x723/0xbe0 [ 3405.991156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3405.991156][ T72] ___sys_sendmsg+0xee/0x170 [ 3405.991156][ T72] __sys_sendmsg+0xcd/0x170 [ 3405.991156][ T72] do_syscall_64+0xc6/0x1e0 [ 3405.991156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.991156][ T72] [ 3405.993161][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3405.993161][ T72] netdev_get_by_index+0x5e/0x80 [ 3405.993161][ T72] fib6_nh_init+0x3d8/0x1580 [ 3405.993161][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3405.993161][ T72] ip6_route_add+0x1c/0x140 [ 3405.993161][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3405.993161][ T72] addrconf_add_dev+0xe2/0x170 [ 3405.993161][ T72] inet6_addr_add+0x12f/0xa40 [ 3405.993161][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3405.993161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.993161][ T72] netlink_rcv_skb+0x130/0x360 [ 3405.993161][ T72] netlink_unicast+0x449/0x710 [ 3405.993161][ T72] netlink_sendmsg+0x723/0xbe0 [ 3405.993161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3405.993161][ T72] ___sys_sendmsg+0xee/0x170 [ 3405.993161][ T72] __sys_sendmsg+0xcd/0x170 [ 3405.993161][ T72] do_syscall_64+0xc6/0x1e0 [ 3405.993161][ T72] [ 3405.995125][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3405.995125][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3405.995125][ T72] ipv6_find_idev+0x102/0x170 [ 3405.995125][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3405.995125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.995125][ T72] netlink_rcv_skb+0x130/0x360 [ 3405.995125][ T72] netlink_unicast+0x449/0x710 [ 3405.995125][ T72] netlink_sendmsg+0x723/0xbe0 [ 3405.995125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3405.995125][ T72] ___sys_sendmsg+0xee/0x170 [ 3405.995125][ T72] __sys_sendmsg+0xcd/0x170 [ 3405.995125][ T72] do_syscall_64+0xc6/0x1e0 [ 3405.995125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.995125][ T72] [ 3405.996654][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3405.996654][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3405.996654][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3405.996654][ T72] ipv6_find_idev+0x102/0x170 [ 3405.996654][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3405.996654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.996654][ T72] netlink_rcv_skb+0x130/0x360 [ 3405.996654][ T72] netlink_unicast+0x449/0x710 [ 3405.996654][ T72] netlink_sendmsg+0x723/0xbe0 [ 3405.996654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3405.996654][ T72] ___sys_sendmsg+0xee/0x170 [ 3405.996654][ T72] __sys_sendmsg+0xcd/0x170 [ 3405.996654][ T72] do_syscall_64+0xc6/0x1e0 [ 3405.996654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.996654][ T72] [ 3405.998366][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3405.998640][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3405.998640][ T72] dst_init+0x84/0x4a0 [ 3405.998640][ T72] dst_alloc+0x97/0x150 [ 3405.998640][ T72] ip6_dst_alloc+0x23/0x90 [ 3405.998640][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3405.998640][ T72] ip6_pol_route+0x56f/0x840 [ 3405.998640][ T72] fib6_rule_lookup+0x456/0x630 [ 3405.998640][ T72] ip6_route_input+0x59c/0xa50 [ 3405.998640][ T72] ipv6_rcv+0x397/0x810 [ 3405.998640][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3405.998640][ T72] process_backlog+0x101/0x620 [ 3405.998640][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3405.998640][ T72] net_rx_action+0x495/0xbe0 [ 3405.998640][ T72] __do_softirq+0x1b5/0x7f6 [ 3405.998640][ T72] [ 3406.000292][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3406.000292][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.000292][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.000292][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.000292][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3406.000292][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3406.000292][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3406.000292][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3406.000292][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3406.000292][ T72] addrconf_dad_begin+0x310/0x670 [ 3406.000292][ T72] addrconf_dad_work+0x10b/0xab0 [ 3406.000292][ T72] process_one_work+0x84d/0x18a0 [ 3406.000292][ T72] worker_thread+0x587/0xd30 [ 3406.000292][ T72] kthread+0x28a/0x350 [ 3406.000292][ T72] ret_from_fork+0x31/0x70 [ 3406.000292][ T72] ret_from_fork_asm+0x1a/0x30 [ 3406.000292][ T72] [ 3406.002190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3406.002190][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.002190][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.002190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.002190][ T72] ip6_route_add+0x1c/0x140 [ 3406.002190][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3406.002190][ T72] inet6_addr_add+0x4f8/0xa40 [ 3406.002190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.002190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.002190][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.002190][ T72] netlink_unicast+0x449/0x710 [ 3406.002190][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.002190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.002190][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.002190][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.002190][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.002190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.002190][ T72] [ 3406.004183][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3406.004183][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.004183][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.004183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.004183][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3406.004183][ T72] ipv6_add_addr+0x411/0x2000 [ 3406.004183][ T72] inet6_addr_add+0x30e/0xa40 [ 3406.004183][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.004183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.004183][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.004183][ T72] netlink_unicast+0x449/0x710 [ 3406.004183][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.004183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.004183][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.004183][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.004183][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.004183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.004183][ T72] [ 3406.006181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3406.006181][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.006181][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.006181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.006181][ T72] ip6_route_add+0x1c/0x140 [ 3406.006181][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3406.006181][ T72] addrconf_add_dev+0xe2/0x170 [ 3406.006181][ T72] inet6_addr_add+0x12f/0xa40 [ 3406.006181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.006181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.006181][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.006181][ T72] netlink_unicast+0x449/0x710 [ 3406.006181][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.006181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.006181][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.006181][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.006181][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.006181][ T72] [ 3406.008150][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3406.008150][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3406.008150][ T72] ipv6_find_idev+0x102/0x170 [ 3406.008150][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3406.008150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.008150][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.008150][ T72] netlink_unicast+0x449/0x710 [ 3406.008150][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.008150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.008150][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.008150][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.008150][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.008150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.008150][ T72] [ 3406.009692][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3406.009692][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3406.009692][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3406.009692][ T72] ipv6_find_idev+0x102/0x170 [ 3406.009692][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3406.009692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.009692][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.009692][ T72] netlink_unicast+0x449/0x710 [ 3406.009692][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.009692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.009692][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.009692][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.009692][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.009692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.009692][ T72] [ 3406.011476][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3406.011740][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3406.011740][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3406.011740][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3406.011740][ T72] fib6_nh_init+0xa22/0x1580 [ 3406.011740][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.011740][ T72] ip6_route_add+0x1c/0x140 [ 3406.011740][ T72] inet6_rtm_newroute+0x104/0x110 [ 3406.011740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.011740][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.011740][ T72] netlink_unicast+0x449/0x710 [ 3406.011740][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.011740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.011740][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.011740][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.011740][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.011740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.011740][ T72] [ 3406.013951][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3406.013951][ T72] dst_init+0x84/0x4a0 [ 3406.013951][ T72] dst_alloc+0x97/0x150 [ 3406.013951][ T72] ip6_dst_alloc+0x23/0x90 [ 3406.013951][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3406.013951][ T72] ip6_pol_route+0x56f/0x840 [ 3406.013951][ T72] fib6_rule_lookup+0x456/0x630 [ 3406.013951][ T72] ip6_route_input+0x59c/0xa50 [ 3406.013951][ T72] ipv6_rcv+0x397/0x810 [ 3406.013951][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3406.013951][ T72] process_backlog+0x101/0x620 [ 3406.013951][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3406.013951][ T72] net_rx_action+0x495/0xbe0 [ 3406.013951][ T72] __do_softirq+0x1b5/0x7f6 [ 3406.013951][ T72] [ 3406.015759][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3406.015759][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.015759][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.015759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.015759][ T72] ip6_route_add+0x1c/0x140 [ 3406.015759][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3406.015759][ T72] inet6_addr_add+0x4f8/0xa40 [ 3406.015759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.015759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.015759][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.015759][ T72] netlink_unicast+0x449/0x710 [ 3406.015759][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.015759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.015759][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.015759][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.015759][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.015759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.015759][ T72] [ 3406.017929][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3406.017929][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.017929][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.017929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.017929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3406.017929][ T72] ipv6_add_addr+0x411/0x2000 [ 3406.017929][ T72] inet6_addr_add+0x30e/0xa40 [ 3406.017929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.017929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.017929][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.017929][ T72] netlink_unicast+0x449/0x710 [ 3406.017929][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.017929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.017929][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.017929][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.017929][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.017929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.017929][ T72] [ 3406.020140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3406.020140][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.020140][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.020140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.020140][ T72] ip6_route_add+0x1c/0x140 [ 3406.020140][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3406.020140][ T72] addrconf_add_dev+0xe2/0x170 [ 3406.020140][ T72] inet6_addr_add+0x12f/0xa40 [ 3406.020140][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.020140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.020140][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.020140][ T72] netlink_unicast+0x449/0x710 [ 3406.020140][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.020140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.020140][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.020140][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.020140][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.020140][ T72] [ 3406.022421][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3406.022421][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3406.022421][ T72] ipv6_find_idev+0x102/0x170 [ 3406.022421][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3406.022421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.022421][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.022421][ T72] netlink_unicast+0x449/0x710 [ 3406.022421][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.022421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.022421][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.022421][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.022421][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.022421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.022421][ T72] [ 3406.024154][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3406.024154][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3406.024154][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3406.024154][ T72] ipv6_find_idev+0x102/0x170 [ 3406.024154][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3406.024154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.024154][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.024154][ T72] netlink_unicast+0x449/0x710 [ 3406.024154][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.024154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.024154][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.024154][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.024154][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.024154][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.024154][ T72] [ 3406.026033][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3406.026371][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3406.026371][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.026371][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.026371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.026371][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3406.026371][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3406.026371][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3406.026371][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3406.026371][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3406.026371][ T72] addrconf_dad_begin+0x310/0x670 [ 3406.026371][ T72] addrconf_dad_work+0x10b/0xab0 [ 3406.026371][ T72] process_one_work+0x84d/0x18a0 [ 3406.026371][ T72] worker_thread+0x587/0xd30 [ 3406.026371][ T72] kthread+0x28a/0x350 [ 3406.026371][ T72] ret_from_fork+0x31/0x70 [ 3406.026371][ T72] ret_from_fork_asm+0x1a/0x30 [ 3406.026371][ T72] [ 3406.028387][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3406.028387][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.028387][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.028387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.028387][ T72] ip6_route_add+0x1c/0x140 [ 3406.028387][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3406.028387][ T72] inet6_addr_add+0x4f8/0xa40 [ 3406.028387][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.028387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.028387][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.028387][ T72] netlink_unicast+0x449/0x710 [ 3406.028387][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.028387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.028387][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.028387][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.028387][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.028387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.028387][ T72] [ 3406.030610][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3406.030610][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.030610][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.030610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.030610][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3406.030610][ T72] ipv6_add_addr+0x411/0x2000 [ 3406.030610][ T72] inet6_addr_add+0x30e/0xa40 [ 3406.030610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.030610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.030610][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.030610][ T72] netlink_unicast+0x449/0x710 [ 3406.030610][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.030610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.030610][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.030610][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.030610][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.030610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.030610][ T72] [ 3406.032949][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3406.032949][ T72] netdev_get_by_index+0x5e/0x80 [ 3406.032949][ T72] fib6_nh_init+0x3d8/0x1580 [ 3406.032949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3406.032949][ T72] ip6_route_add+0x1c/0x140 [ 3406.032949][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3406.032949][ T72] addrconf_add_dev+0xe2/0x170 [ 3406.032949][ T72] inet6_addr_add+0x12f/0xa40 [ 3406.032949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.032949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.032949][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.032949][ T72] netlink_unicast+0x449/0x710 [ 3406.032949][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.032949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.032949][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.032949][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.032949][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.032949][ T72] [ 3406.035144][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3406.035144][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3406.035144][ T72] ipv6_find_idev+0x102/0x170 [ 3406.035144][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3406.035144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.035144][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.035144][ T72] netlink_unicast+0x449/0x710 [ 3406.035144][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.035144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.035144][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.035144][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.035144][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.035144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.035144][ T72] [ 3406.036849][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3406.036849][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3406.036849][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3406.036849][ T72] ipv6_find_idev+0x102/0x170 [ 3406.036849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3406.036849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.036849][ T72] netlink_rcv_skb+0x130/0x360 [ 3406.036849][ T72] netlink_unicast+0x449/0x710 [ 3406.036849][ T72] netlink_sendmsg+0x723/0xbe0 [ 3406.036849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3406.036849][ T72] ___sys_sendmsg+0xee/0x170 [ 3406.036849][ T72] __sys_sendmsg+0xcd/0x170 [ 3406.036849][ T72] do_syscall_64+0xc6/0x1e0 [ 3406.036849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.036849][ T72] [ 3416.280987][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3416.281681][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3416.281681][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3416.281681][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3416.281681][ T72] fib6_nh_init+0xa22/0x1580 [ 3416.281681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.281681][ T72] ip6_route_add+0x1c/0x140 [ 3416.281681][ T72] inet6_rtm_newroute+0x104/0x110 [ 3416.281681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.281681][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.281681][ T72] netlink_unicast+0x449/0x710 [ 3416.281681][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.281681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.281681][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.281681][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.281681][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.281681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.281681][ T72] [ 3416.283639][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3416.283639][ T72] dst_init+0x84/0x4a0 [ 3416.283639][ T72] dst_alloc+0x97/0x150 [ 3416.283639][ T72] ip6_dst_alloc+0x23/0x90 [ 3416.283639][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3416.283639][ T72] ip6_pol_route+0x56f/0x840 [ 3416.283639][ T72] fib6_rule_lookup+0x456/0x630 [ 3416.283639][ T72] ip6_route_input+0x59c/0xa50 [ 3416.283639][ T72] ipv6_rcv+0x397/0x810 [ 3416.283639][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3416.283639][ T72] process_backlog+0x101/0x620 [ 3416.283639][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3416.283639][ T72] net_rx_action+0x495/0xbe0 [ 3416.283639][ T72] __do_softirq+0x1b5/0x7f6 [ 3416.283639][ T72] [ 3416.285254][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3416.285254][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.285254][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.285254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.285254][ T72] ip6_route_add+0x1c/0x140 [ 3416.285254][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3416.285254][ T72] inet6_addr_add+0x4f8/0xa40 [ 3416.285254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.285254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.285254][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.285254][ T72] netlink_unicast+0x449/0x710 [ 3416.285254][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.285254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.285254][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.285254][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.285254][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.285254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.285254][ T72] [ 3416.287221][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3416.287221][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.287221][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.287221][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.287221][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3416.287221][ T72] ipv6_add_addr+0x411/0x2000 [ 3416.287221][ T72] inet6_addr_add+0x30e/0xa40 [ 3416.287221][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.287221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.287221][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.287221][ T72] netlink_unicast+0x449/0x710 [ 3416.287221][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.287221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.287221][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.287221][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.287221][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.287221][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.287221][ T72] [ 3416.289317][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3416.289317][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.289317][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.289317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.289317][ T72] ip6_route_add+0x1c/0x140 [ 3416.289317][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3416.289317][ T72] addrconf_add_dev+0xe2/0x170 [ 3416.289317][ T72] inet6_addr_add+0x12f/0xa40 [ 3416.289317][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.289317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.289317][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.289317][ T72] netlink_unicast+0x449/0x710 [ 3416.289317][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.289317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.289317][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.289317][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.289317][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.289317][ T72] [ 3416.291329][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3416.291329][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3416.291329][ T72] ipv6_find_idev+0x102/0x170 [ 3416.291329][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.291329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.291329][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.291329][ T72] netlink_unicast+0x449/0x710 [ 3416.291329][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.291329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.291329][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.291329][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.291329][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.291329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.291329][ T72] [ 3416.292883][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3416.292883][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3416.292883][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3416.292883][ T72] ipv6_find_idev+0x102/0x170 [ 3416.292883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.292883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.292883][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.292883][ T72] netlink_unicast+0x449/0x710 [ 3416.292883][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.292883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.292883][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.292883][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.292883][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.292883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.292883][ T72] [ 3416.294609][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3416.294901][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3416.294901][ T72] dst_init+0x84/0x4a0 [ 3416.294901][ T72] dst_alloc+0x97/0x150 [ 3416.294901][ T72] ip6_dst_alloc+0x23/0x90 [ 3416.294901][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3416.294901][ T72] ip6_pol_route+0x56f/0x840 [ 3416.294901][ T72] fib6_rule_lookup+0x456/0x630 [ 3416.294901][ T72] ip6_route_input+0x59c/0xa50 [ 3416.294901][ T72] ipv6_rcv+0x397/0x810 [ 3416.294901][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3416.294901][ T72] process_backlog+0x101/0x620 [ 3416.294901][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3416.294901][ T72] net_rx_action+0x495/0xbe0 [ 3416.294901][ T72] __do_softirq+0x1b5/0x7f6 [ 3416.294901][ T72] [ 3416.296550][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3416.296550][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.296550][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.296550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.296550][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3416.296550][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3416.296550][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3416.296550][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3416.296550][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3416.296550][ T72] addrconf_dad_begin+0x310/0x670 [ 3416.296550][ T72] addrconf_dad_work+0x10b/0xab0 [ 3416.296550][ T72] process_one_work+0x84d/0x18a0 [ 3416.296550][ T72] worker_thread+0x587/0xd30 [ 3416.296550][ T72] kthread+0x28a/0x350 [ 3416.296550][ T72] ret_from_fork+0x31/0x70 [ 3416.296550][ T72] ret_from_fork_asm+0x1a/0x30 [ 3416.296550][ T72] [ 3416.298480][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3416.298480][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.298480][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.298480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.298480][ T72] ip6_route_add+0x1c/0x140 [ 3416.298480][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3416.298480][ T72] inet6_addr_add+0x4f8/0xa40 [ 3416.298480][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.298480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.298480][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.298480][ T72] netlink_unicast+0x449/0x710 [ 3416.298480][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.298480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.298480][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.298480][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.298480][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.298480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.298480][ T72] [ 3416.300487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3416.300487][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.300487][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.300487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.300487][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3416.300487][ T72] ipv6_add_addr+0x411/0x2000 [ 3416.300487][ T72] inet6_addr_add+0x30e/0xa40 [ 3416.300487][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.300487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.300487][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.300487][ T72] netlink_unicast+0x449/0x710 [ 3416.300487][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.300487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.300487][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.300487][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.300487][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.300487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.300487][ T72] [ 3416.303020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3416.303020][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.303020][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.303020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.303020][ T72] ip6_route_add+0x1c/0x140 [ 3416.303020][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3416.303020][ T72] addrconf_add_dev+0xe2/0x170 [ 3416.303020][ T72] inet6_addr_add+0x12f/0xa40 [ 3416.303020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.303020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.303020][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.303020][ T72] netlink_unicast+0x449/0x710 [ 3416.303020][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.303020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.303020][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.303020][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.303020][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.303020][ T72] [ 3416.304978][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3416.304978][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3416.304978][ T72] ipv6_find_idev+0x102/0x170 [ 3416.304978][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.304978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.304978][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.304978][ T72] netlink_unicast+0x449/0x710 [ 3416.304978][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.304978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.304978][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.304978][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.304978][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.304978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.304978][ T72] [ 3416.306515][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3416.306515][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3416.306515][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3416.306515][ T72] ipv6_find_idev+0x102/0x170 [ 3416.306515][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.306515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.306515][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.306515][ T72] netlink_unicast+0x449/0x710 [ 3416.306515][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.306515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.306515][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.306515][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.306515][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.306515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.306515][ T72] [ 3416.308706][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3416.309420][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3416.309420][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3416.309420][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3416.309420][ T72] fib6_nh_init+0xa22/0x1580 [ 3416.309420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.309420][ T72] ip6_route_add+0x1c/0x140 [ 3416.309420][ T72] inet6_rtm_newroute+0x104/0x110 [ 3416.309420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.309420][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.309420][ T72] netlink_unicast+0x449/0x710 [ 3416.309420][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.309420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.309420][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.309420][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.309420][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.309420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.309420][ T72] [ 3416.311316][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3416.311316][ T72] dst_init+0x84/0x4a0 [ 3416.311316][ T72] dst_alloc+0x97/0x150 [ 3416.311316][ T72] ip6_dst_alloc+0x23/0x90 [ 3416.311316][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3416.311316][ T72] ip6_pol_route+0x56f/0x840 [ 3416.311316][ T72] fib6_rule_lookup+0x456/0x630 [ 3416.311316][ T72] ip6_route_input+0x59c/0xa50 [ 3416.311316][ T72] ipv6_rcv+0x397/0x810 [ 3416.311316][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3416.311316][ T72] process_backlog+0x101/0x620 [ 3416.311316][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3416.311316][ T72] net_rx_action+0x495/0xbe0 [ 3416.311316][ T72] __do_softirq+0x1b5/0x7f6 [ 3416.311316][ T72] [ 3416.313021][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3416.313021][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.313021][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.313021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.313021][ T72] ip6_route_add+0x1c/0x140 [ 3416.313021][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3416.313021][ T72] inet6_addr_add+0x4f8/0xa40 [ 3416.313021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.313021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.313021][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.313021][ T72] netlink_unicast+0x449/0x710 [ 3416.313021][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.313021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.313021][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.313021][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.313021][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.313021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.313021][ T72] [ 3416.315308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3416.315308][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.315308][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.315308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.315308][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3416.315308][ T72] ipv6_add_addr+0x411/0x2000 [ 3416.315308][ T72] inet6_addr_add+0x30e/0xa40 [ 3416.315308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.315308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.315308][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.315308][ T72] netlink_unicast+0x449/0x710 [ 3416.315308][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.315308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.315308][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.315308][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.315308][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.315308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.315308][ T72] [ 3416.317543][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3416.317543][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.317543][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.317543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.317543][ T72] ip6_route_add+0x1c/0x140 [ 3416.317543][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3416.317543][ T72] addrconf_add_dev+0xe2/0x170 [ 3416.317543][ T72] inet6_addr_add+0x12f/0xa40 [ 3416.317543][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.317543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.317543][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.317543][ T72] netlink_unicast+0x449/0x710 [ 3416.317543][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.317543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.317543][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.317543][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.317543][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.317543][ T72] [ 3416.319704][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3416.319704][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3416.319704][ T72] ipv6_find_idev+0x102/0x170 [ 3416.319704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.319704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.319704][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.319704][ T72] netlink_unicast+0x449/0x710 [ 3416.319704][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.319704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.319704][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.319704][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.319704][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.319704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.319704][ T72] [ 3416.321443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3416.321443][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3416.321443][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3416.321443][ T72] ipv6_find_idev+0x102/0x170 [ 3416.321443][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.321443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.321443][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.321443][ T72] netlink_unicast+0x449/0x710 [ 3416.321443][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.321443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.321443][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.321443][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.321443][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.321443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.321443][ T72] [ 3416.323480][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3416.323801][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3416.323801][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.323801][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.323801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.323801][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3416.323801][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3416.323801][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3416.323801][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3416.323801][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3416.323801][ T72] addrconf_dad_begin+0x310/0x670 [ 3416.323801][ T72] addrconf_dad_work+0x10b/0xab0 [ 3416.323801][ T72] process_one_work+0x84d/0x18a0 [ 3416.323801][ T72] worker_thread+0x587/0xd30 [ 3416.323801][ T72] kthread+0x28a/0x350 [ 3416.323801][ T72] ret_from_fork+0x31/0x70 [ 3416.323801][ T72] ret_from_fork_asm+0x1a/0x30 [ 3416.323801][ T72] [ 3416.325856][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3416.325856][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.325856][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.325856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.325856][ T72] ip6_route_add+0x1c/0x140 [ 3416.325856][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3416.325856][ T72] inet6_addr_add+0x4f8/0xa40 [ 3416.325856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.325856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.325856][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.325856][ T72] netlink_unicast+0x449/0x710 [ 3416.325856][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.325856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.325856][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.325856][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.325856][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.325856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.325856][ T72] [ 3416.328134][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3416.328134][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.328134][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.328134][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.328134][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3416.328134][ T72] ipv6_add_addr+0x411/0x2000 [ 3416.328134][ T72] inet6_addr_add+0x30e/0xa40 [ 3416.328134][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.328134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.328134][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.328134][ T72] netlink_unicast+0x449/0x710 [ 3416.328134][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.328134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.328134][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.328134][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.328134][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.328134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.328134][ T72] [ 3416.330349][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3416.330349][ T72] netdev_get_by_index+0x5e/0x80 [ 3416.330349][ T72] fib6_nh_init+0x3d8/0x1580 [ 3416.330349][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3416.330349][ T72] ip6_route_add+0x1c/0x140 [ 3416.330349][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3416.330349][ T72] addrconf_add_dev+0xe2/0x170 [ 3416.330349][ T72] inet6_addr_add+0x12f/0xa40 [ 3416.330349][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.330349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.330349][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.330349][ T72] netlink_unicast+0x449/0x710 [ 3416.330349][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.330349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.330349][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.330349][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.330349][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.330349][ T72] [ 3416.332511][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3416.332511][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3416.332511][ T72] ipv6_find_idev+0x102/0x170 [ 3416.332511][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.332511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.332511][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.332511][ T72] netlink_unicast+0x449/0x710 [ 3416.332511][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.332511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.332511][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.332511][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.332511][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.332511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.332511][ T72] [ 3416.334255][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3416.334255][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3416.334255][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3416.334255][ T72] ipv6_find_idev+0x102/0x170 [ 3416.334255][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.334255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.334255][ T72] netlink_rcv_skb+0x130/0x360 [ 3416.334255][ T72] netlink_unicast+0x449/0x710 [ 3416.334255][ T72] netlink_sendmsg+0x723/0xbe0 [ 3416.334255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3416.334255][ T72] ___sys_sendmsg+0xee/0x170 [ 3416.334255][ T72] __sys_sendmsg+0xcd/0x170 [ 3416.334255][ T72] do_syscall_64+0xc6/0x1e0 [ 3416.334255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.334255][ T72] [ 3426.424985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3426.425534][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3426.425534][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3426.425534][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3426.425534][ T72] fib6_nh_init+0xa22/0x1580 [ 3426.425534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.425534][ T72] ip6_route_add+0x1c/0x140 [ 3426.425534][ T72] inet6_rtm_newroute+0x104/0x110 [ 3426.425534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.425534][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.425534][ T72] netlink_unicast+0x449/0x710 [ 3426.425534][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.425534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.425534][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.425534][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.425534][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.425534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.425534][ T72] [ 3426.427458][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3426.427458][ T72] dst_init+0x84/0x4a0 [ 3426.427458][ T72] dst_alloc+0x97/0x150 [ 3426.427458][ T72] ip6_dst_alloc+0x23/0x90 [ 3426.427458][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3426.427458][ T72] ip6_pol_route+0x56f/0x840 [ 3426.427458][ T72] fib6_rule_lookup+0x456/0x630 [ 3426.427458][ T72] ip6_route_input+0x59c/0xa50 [ 3426.427458][ T72] ipv6_rcv+0x397/0x810 [ 3426.427458][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3426.427458][ T72] process_backlog+0x101/0x620 [ 3426.427458][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3426.427458][ T72] net_rx_action+0x495/0xbe0 [ 3426.427458][ T72] __do_softirq+0x1b5/0x7f6 [ 3426.427458][ T72] [ 3426.429012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3426.429012][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.429012][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.429012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.429012][ T72] ip6_route_add+0x1c/0x140 [ 3426.429012][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3426.429012][ T72] inet6_addr_add+0x4f8/0xa40 [ 3426.429012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.429012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.429012][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.429012][ T72] netlink_unicast+0x449/0x710 [ 3426.429012][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.429012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.429012][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.429012][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.429012][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.429012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.429012][ T72] [ 3426.431026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3426.431026][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.431026][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.431026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.431026][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3426.431026][ T72] ipv6_add_addr+0x411/0x2000 [ 3426.431026][ T72] inet6_addr_add+0x30e/0xa40 [ 3426.431026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.431026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.431026][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.431026][ T72] netlink_unicast+0x449/0x710 [ 3426.431026][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.431026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.431026][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.431026][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.431026][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.431026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.431026][ T72] [ 3426.432898][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3426.432898][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.432898][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.432898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.432898][ T72] ip6_route_add+0x1c/0x140 [ 3426.432898][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3426.432898][ T72] addrconf_add_dev+0xe2/0x170 [ 3426.432898][ T72] inet6_addr_add+0x12f/0xa40 [ 3426.432898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.432898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.432898][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.432898][ T72] netlink_unicast+0x449/0x710 [ 3426.432898][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.432898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.432898][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.432898][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.432898][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.432898][ T72] [ 3426.434766][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3426.434766][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3426.434766][ T72] ipv6_find_idev+0x102/0x170 [ 3426.434766][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.434766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.434766][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.434766][ T72] netlink_unicast+0x449/0x710 [ 3426.434766][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.434766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.434766][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.434766][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.434766][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.434766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.434766][ T72] [ 3426.436289][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3426.436289][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3426.436289][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3426.436289][ T72] ipv6_find_idev+0x102/0x170 [ 3426.436289][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.436289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.436289][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.436289][ T72] netlink_unicast+0x449/0x710 [ 3426.436289][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.436289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.436289][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.436289][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.436289][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.436289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.436289][ T72] [ 3426.438055][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3426.438335][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3426.438335][ T72] dst_init+0x84/0x4a0 [ 3426.438335][ T72] dst_alloc+0x97/0x150 [ 3426.438335][ T72] ip6_dst_alloc+0x23/0x90 [ 3426.438335][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3426.438335][ T72] ip6_pol_route+0x56f/0x840 [ 3426.438335][ T72] fib6_rule_lookup+0x456/0x630 [ 3426.438335][ T72] ip6_route_input+0x59c/0xa50 [ 3426.438335][ T72] ipv6_rcv+0x397/0x810 [ 3426.438335][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3426.438335][ T72] process_backlog+0x101/0x620 [ 3426.438335][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3426.438335][ T72] net_rx_action+0x495/0xbe0 [ 3426.438335][ T72] __do_softirq+0x1b5/0x7f6 [ 3426.438335][ T72] [ 3426.439980][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3426.439980][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.439980][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.439980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.439980][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3426.439980][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3426.439980][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3426.439980][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3426.439980][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3426.439980][ T72] addrconf_dad_begin+0x310/0x670 [ 3426.439980][ T72] addrconf_dad_work+0x10b/0xab0 [ 3426.439980][ T72] process_one_work+0x84d/0x18a0 [ 3426.439980][ T72] worker_thread+0x587/0xd30 [ 3426.439980][ T72] kthread+0x28a/0x350 [ 3426.439980][ T72] ret_from_fork+0x31/0x70 [ 3426.439980][ T72] ret_from_fork_asm+0x1a/0x30 [ 3426.439980][ T72] [ 3426.441829][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3426.441829][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.441829][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.441829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.441829][ T72] ip6_route_add+0x1c/0x140 [ 3426.441829][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3426.441829][ T72] inet6_addr_add+0x4f8/0xa40 [ 3426.441829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.441829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.441829][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.441829][ T72] netlink_unicast+0x449/0x710 [ 3426.441829][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.441829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.441829][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.441829][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.441829][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.441829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.441829][ T72] [ 3426.443798][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3426.443798][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.443798][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.443798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.443798][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3426.443798][ T72] ipv6_add_addr+0x411/0x2000 [ 3426.443798][ T72] inet6_addr_add+0x30e/0xa40 [ 3426.443798][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.443798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.443798][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.443798][ T72] netlink_unicast+0x449/0x710 [ 3426.443798][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.443798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.443798][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.443798][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.443798][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.443798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.443798][ T72] [ 3426.445775][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3426.445775][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.445775][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.445775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.445775][ T72] ip6_route_add+0x1c/0x140 [ 3426.445775][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3426.445775][ T72] addrconf_add_dev+0xe2/0x170 [ 3426.445775][ T72] inet6_addr_add+0x12f/0xa40 [ 3426.445775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.445775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.445775][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.445775][ T72] netlink_unicast+0x449/0x710 [ 3426.445775][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.445775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.445775][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.445775][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.445775][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.445775][ T72] [ 3426.447780][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3426.447780][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3426.447780][ T72] ipv6_find_idev+0x102/0x170 [ 3426.447780][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.447780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.447780][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.447780][ T72] netlink_unicast+0x449/0x710 [ 3426.447780][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.447780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.447780][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.447780][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.447780][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.447780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.447780][ T72] [ 3426.449362][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3426.449362][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3426.449362][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3426.449362][ T72] ipv6_find_idev+0x102/0x170 [ 3426.449362][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.449362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.449362][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.449362][ T72] netlink_unicast+0x449/0x710 [ 3426.449362][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.449362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.449362][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.449362][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.449362][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.449362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.449362][ T72] [ 3426.451196][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3426.451465][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3426.451465][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3426.451465][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3426.451465][ T72] fib6_nh_init+0xa22/0x1580 [ 3426.451465][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.451465][ T72] ip6_route_add+0x1c/0x140 [ 3426.451465][ T72] inet6_rtm_newroute+0x104/0x110 [ 3426.451465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.451465][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.451465][ T72] netlink_unicast+0x449/0x710 [ 3426.451465][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.451465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.451465][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.451465][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.451465][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.451465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.451465][ T72] [ 3426.453581][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3426.453581][ T72] dst_init+0x84/0x4a0 [ 3426.453581][ T72] dst_alloc+0x97/0x150 [ 3426.453581][ T72] ip6_dst_alloc+0x23/0x90 [ 3426.453581][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3426.453581][ T72] ip6_pol_route+0x56f/0x840 [ 3426.453581][ T72] fib6_rule_lookup+0x456/0x630 [ 3426.453581][ T72] ip6_route_input+0x59c/0xa50 [ 3426.453581][ T72] ipv6_rcv+0x397/0x810 [ 3426.453581][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3426.453581][ T72] process_backlog+0x101/0x620 [ 3426.453581][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3426.453581][ T72] net_rx_action+0x495/0xbe0 [ 3426.453581][ T72] __do_softirq+0x1b5/0x7f6 [ 3426.453581][ T72] [ 3426.455402][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3426.455402][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.455402][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.455402][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.455402][ T72] ip6_route_add+0x1c/0x140 [ 3426.455402][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3426.455402][ T72] inet6_addr_add+0x4f8/0xa40 [ 3426.455402][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.455402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.455402][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.455402][ T72] netlink_unicast+0x449/0x710 [ 3426.455402][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.455402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.455402][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.455402][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.455402][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.455402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.455402][ T72] [ 3426.457640][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3426.457640][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.457640][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.457640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.457640][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3426.457640][ T72] ipv6_add_addr+0x411/0x2000 [ 3426.457640][ T72] inet6_addr_add+0x30e/0xa40 [ 3426.457640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.457640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.457640][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.457640][ T72] netlink_unicast+0x449/0x710 [ 3426.457640][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.457640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.457640][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.457640][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.457640][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.457640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.457640][ T72] [ 3426.459866][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3426.459866][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.459866][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.459866][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.459866][ T72] ip6_route_add+0x1c/0x140 [ 3426.459866][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3426.459866][ T72] addrconf_add_dev+0xe2/0x170 [ 3426.459866][ T72] inet6_addr_add+0x12f/0xa40 [ 3426.459866][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.459866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.459866][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.459866][ T72] netlink_unicast+0x449/0x710 [ 3426.459866][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.459866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.459866][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.459866][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.459866][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.459866][ T72] [ 3426.462074][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3426.462074][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3426.462074][ T72] ipv6_find_idev+0x102/0x170 [ 3426.462074][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.462074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.462074][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.462074][ T72] netlink_unicast+0x449/0x710 [ 3426.462074][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.462074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.462074][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.462074][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.462074][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.462074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.462074][ T72] [ 3426.463790][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3426.463790][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3426.463790][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3426.463790][ T72] ipv6_find_idev+0x102/0x170 [ 3426.463790][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.463790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.463790][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.463790][ T72] netlink_unicast+0x449/0x710 [ 3426.463790][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.463790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.463790][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.463790][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.463790][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.463790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.463790][ T72] [ 3426.465646][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3426.466433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3426.466433][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.466433][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.466433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.466433][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3426.466433][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3426.466433][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3426.466433][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3426.466433][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3426.466433][ T72] addrconf_dad_begin+0x310/0x670 [ 3426.466433][ T72] addrconf_dad_work+0x10b/0xab0 [ 3426.466433][ T72] process_one_work+0x84d/0x18a0 [ 3426.466433][ T72] worker_thread+0x587/0xd30 [ 3426.466433][ T72] kthread+0x28a/0x350 [ 3426.466433][ T72] ret_from_fork+0x31/0x70 [ 3426.466433][ T72] ret_from_fork_asm+0x1a/0x30 [ 3426.466433][ T72] [ 3426.468344][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3426.468344][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.468344][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.468344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.468344][ T72] ip6_route_add+0x1c/0x140 [ 3426.468344][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3426.468344][ T72] inet6_addr_add+0x4f8/0xa40 [ 3426.468344][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.468344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.468344][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.468344][ T72] netlink_unicast+0x449/0x710 [ 3426.468344][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.468344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.468344][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.468344][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.468344][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.468344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.468344][ T72] [ 3426.470353][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3426.470353][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.470353][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.470353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.470353][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3426.470353][ T72] ipv6_add_addr+0x411/0x2000 [ 3426.470353][ T72] inet6_addr_add+0x30e/0xa40 [ 3426.470353][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.470353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.470353][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.470353][ T72] netlink_unicast+0x449/0x710 [ 3426.470353][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.470353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.470353][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.470353][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.470353][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.470353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.470353][ T72] [ 3426.472686][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3426.472686][ T72] netdev_get_by_index+0x5e/0x80 [ 3426.472686][ T72] fib6_nh_init+0x3d8/0x1580 [ 3426.472686][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3426.472686][ T72] ip6_route_add+0x1c/0x140 [ 3426.472686][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3426.472686][ T72] addrconf_add_dev+0xe2/0x170 [ 3426.472686][ T72] inet6_addr_add+0x12f/0xa40 [ 3426.472686][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.472686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.472686][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.472686][ T72] netlink_unicast+0x449/0x710 [ 3426.472686][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.472686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.472686][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.472686][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.472686][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.472686][ T72] [ 3426.474892][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3426.474892][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3426.474892][ T72] ipv6_find_idev+0x102/0x170 [ 3426.474892][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.474892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.474892][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.474892][ T72] netlink_unicast+0x449/0x710 [ 3426.474892][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.474892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.474892][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.474892][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.474892][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.474892][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.474892][ T72] [ 3426.476627][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3426.476627][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3426.476627][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3426.476627][ T72] ipv6_find_idev+0x102/0x170 [ 3426.476627][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.476627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.476627][ T72] netlink_rcv_skb+0x130/0x360 [ 3426.476627][ T72] netlink_unicast+0x449/0x710 [ 3426.476627][ T72] netlink_sendmsg+0x723/0xbe0 [ 3426.476627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3426.476627][ T72] ___sys_sendmsg+0xee/0x170 [ 3426.476627][ T72] __sys_sendmsg+0xcd/0x170 [ 3426.476627][ T72] do_syscall_64+0xc6/0x1e0 [ 3426.476627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.476627][ T72] [ 3436.728994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3436.729690][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3436.729690][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3436.729690][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3436.729690][ T72] fib6_nh_init+0xa22/0x1580 [ 3436.729690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.729690][ T72] ip6_route_add+0x1c/0x140 [ 3436.729690][ T72] inet6_rtm_newroute+0x104/0x110 [ 3436.729690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.729690][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.729690][ T72] netlink_unicast+0x449/0x710 [ 3436.729690][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.729690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.729690][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.729690][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.729690][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.729690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.729690][ T72] [ 3436.731487][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3436.731487][ T72] dst_init+0x84/0x4a0 [ 3436.731487][ T72] dst_alloc+0x97/0x150 [ 3436.731487][ T72] ip6_dst_alloc+0x23/0x90 [ 3436.731487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3436.731487][ T72] ip6_pol_route+0x56f/0x840 [ 3436.731487][ T72] fib6_rule_lookup+0x456/0x630 [ 3436.731487][ T72] ip6_route_input+0x59c/0xa50 [ 3436.731487][ T72] ipv6_rcv+0x397/0x810 [ 3436.731487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3436.731487][ T72] process_backlog+0x101/0x620 [ 3436.731487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3436.731487][ T72] net_rx_action+0x495/0xbe0 [ 3436.731487][ T72] __do_softirq+0x1b5/0x7f6 [ 3436.731487][ T72] [ 3436.733100][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3436.733100][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.733100][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.733100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.733100][ T72] ip6_route_add+0x1c/0x140 [ 3436.733100][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3436.733100][ T72] inet6_addr_add+0x4f8/0xa40 [ 3436.733100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.733100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.733100][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.733100][ T72] netlink_unicast+0x449/0x710 [ 3436.733100][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.733100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.733100][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.733100][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.733100][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.733100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.733100][ T72] [ 3436.734963][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3436.734963][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.734963][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.734963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.734963][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3436.734963][ T72] ipv6_add_addr+0x411/0x2000 [ 3436.734963][ T72] inet6_addr_add+0x30e/0xa40 [ 3436.734963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.734963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.734963][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.734963][ T72] netlink_unicast+0x449/0x710 [ 3436.734963][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.734963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.734963][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.734963][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.734963][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.734963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.734963][ T72] [ 3436.736911][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3436.736911][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.736911][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.736911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.736911][ T72] ip6_route_add+0x1c/0x140 [ 3436.736911][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3436.736911][ T72] addrconf_add_dev+0xe2/0x170 [ 3436.736911][ T72] inet6_addr_add+0x12f/0xa40 [ 3436.736911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.736911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.736911][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.736911][ T72] netlink_unicast+0x449/0x710 [ 3436.736911][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.736911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.736911][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.736911][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.736911][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.736911][ T72] [ 3436.738812][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3436.738812][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3436.738812][ T72] ipv6_find_idev+0x102/0x170 [ 3436.738812][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.738812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.738812][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.738812][ T72] netlink_unicast+0x449/0x710 [ 3436.738812][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.738812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.738812][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.738812][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.738812][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.738812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.738812][ T72] [ 3436.740245][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3436.740245][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3436.740245][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3436.740245][ T72] ipv6_find_idev+0x102/0x170 [ 3436.740245][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.740245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.740245][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.740245][ T72] netlink_unicast+0x449/0x710 [ 3436.740245][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.740245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.740245][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.740245][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.740245][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.740245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.740245][ T72] [ 3436.741850][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3436.742132][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3436.742132][ T72] dst_init+0x84/0x4a0 [ 3436.742132][ T72] dst_alloc+0x97/0x150 [ 3436.742132][ T72] ip6_dst_alloc+0x23/0x90 [ 3436.742132][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3436.742132][ T72] ip6_pol_route+0x56f/0x840 [ 3436.742132][ T72] fib6_rule_lookup+0x456/0x630 [ 3436.742132][ T72] ip6_route_input+0x59c/0xa50 [ 3436.742132][ T72] ipv6_rcv+0x397/0x810 [ 3436.742132][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3436.742132][ T72] process_backlog+0x101/0x620 [ 3436.742132][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3436.742132][ T72] net_rx_action+0x495/0xbe0 [ 3436.742132][ T72] __do_softirq+0x1b5/0x7f6 [ 3436.742132][ T72] [ 3436.743769][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3436.743769][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.743769][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.743769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.743769][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3436.743769][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3436.743769][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3436.743769][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3436.743769][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3436.743769][ T72] addrconf_dad_begin+0x310/0x670 [ 3436.743769][ T72] addrconf_dad_work+0x10b/0xab0 [ 3436.743769][ T72] process_one_work+0x84d/0x18a0 [ 3436.743769][ T72] worker_thread+0x587/0xd30 [ 3436.743769][ T72] kthread+0x28a/0x350 [ 3436.743769][ T72] ret_from_fork+0x31/0x70 [ 3436.743769][ T72] ret_from_fork_asm+0x1a/0x30 [ 3436.743769][ T72] [ 3436.745679][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3436.745679][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.745679][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.745679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.745679][ T72] ip6_route_add+0x1c/0x140 [ 3436.745679][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3436.745679][ T72] inet6_addr_add+0x4f8/0xa40 [ 3436.745679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.745679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.745679][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.745679][ T72] netlink_unicast+0x449/0x710 [ 3436.745679][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.745679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.745679][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.745679][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.745679][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.745679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.745679][ T72] [ 3436.747629][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3436.747629][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.747629][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.747629][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.747629][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3436.747629][ T72] ipv6_add_addr+0x411/0x2000 [ 3436.747629][ T72] inet6_addr_add+0x30e/0xa40 [ 3436.747629][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.747629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.747629][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.747629][ T72] netlink_unicast+0x449/0x710 [ 3436.747629][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.747629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.747629][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.747629][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.747629][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.747629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.747629][ T72] [ 3436.749583][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3436.749583][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.749583][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.749583][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.749583][ T72] ip6_route_add+0x1c/0x140 [ 3436.749583][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3436.749583][ T72] addrconf_add_dev+0xe2/0x170 [ 3436.749583][ T72] inet6_addr_add+0x12f/0xa40 [ 3436.749583][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.749583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.749583][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.749583][ T72] netlink_unicast+0x449/0x710 [ 3436.749583][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.749583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.749583][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.749583][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.749583][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.749583][ T72] [ 3436.751554][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3436.751554][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3436.751554][ T72] ipv6_find_idev+0x102/0x170 [ 3436.751554][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.751554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.751554][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.751554][ T72] netlink_unicast+0x449/0x710 [ 3436.751554][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.751554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.751554][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.751554][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.751554][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.751554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.751554][ T72] [ 3436.753126][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3436.753126][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3436.753126][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3436.753126][ T72] ipv6_find_idev+0x102/0x170 [ 3436.753126][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.753126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.753126][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.753126][ T72] netlink_unicast+0x449/0x710 [ 3436.753126][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.753126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.753126][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.753126][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.753126][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.753126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.753126][ T72] [ 3436.754939][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3436.755234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3436.755234][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3436.755234][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3436.755234][ T72] fib6_nh_init+0xa22/0x1580 [ 3436.755234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.755234][ T72] ip6_route_add+0x1c/0x140 [ 3436.755234][ T72] inet6_rtm_newroute+0x104/0x110 [ 3436.755234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.755234][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.755234][ T72] netlink_unicast+0x449/0x710 [ 3436.755234][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.755234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.755234][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.755234][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.755234][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.755234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.755234][ T72] [ 3436.757483][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3436.757483][ T72] dst_init+0x84/0x4a0 [ 3436.757483][ T72] dst_alloc+0x97/0x150 [ 3436.757483][ T72] ip6_dst_alloc+0x23/0x90 [ 3436.757483][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3436.757483][ T72] ip6_pol_route+0x56f/0x840 [ 3436.757483][ T72] fib6_rule_lookup+0x456/0x630 [ 3436.757483][ T72] ip6_route_input+0x59c/0xa50 [ 3436.757483][ T72] ipv6_rcv+0x397/0x810 [ 3436.757483][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3436.757483][ T72] process_backlog+0x101/0x620 [ 3436.757483][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3436.757483][ T72] net_rx_action+0x495/0xbe0 [ 3436.757483][ T72] __do_softirq+0x1b5/0x7f6 [ 3436.757483][ T72] [ 3436.759368][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3436.759368][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.759368][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.759368][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.759368][ T72] ip6_route_add+0x1c/0x140 [ 3436.759368][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3436.759368][ T72] inet6_addr_add+0x4f8/0xa40 [ 3436.759368][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.759368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.759368][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.759368][ T72] netlink_unicast+0x449/0x710 [ 3436.759368][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.759368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.759368][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.759368][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.759368][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.759368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.759368][ T72] [ 3436.761644][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3436.761644][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.761644][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.761644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.761644][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3436.761644][ T72] ipv6_add_addr+0x411/0x2000 [ 3436.761644][ T72] inet6_addr_add+0x30e/0xa40 [ 3436.761644][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.761644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.761644][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.761644][ T72] netlink_unicast+0x449/0x710 [ 3436.761644][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.761644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.761644][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.761644][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.761644][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.761644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.761644][ T72] [ 3436.763836][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3436.763836][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.763836][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.763836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.763836][ T72] ip6_route_add+0x1c/0x140 [ 3436.763836][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3436.763836][ T72] addrconf_add_dev+0xe2/0x170 [ 3436.763836][ T72] inet6_addr_add+0x12f/0xa40 [ 3436.763836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.763836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.763836][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.763836][ T72] netlink_unicast+0x449/0x710 [ 3436.763836][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.763836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.763836][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.763836][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.763836][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.763836][ T72] [ 3436.766136][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3436.766136][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3436.766136][ T72] ipv6_find_idev+0x102/0x170 [ 3436.766136][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.766136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.766136][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.766136][ T72] netlink_unicast+0x449/0x710 [ 3436.766136][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.766136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.766136][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.766136][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.766136][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.766136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.766136][ T72] [ 3436.767870][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3436.767870][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3436.767870][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3436.767870][ T72] ipv6_find_idev+0x102/0x170 [ 3436.767870][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.767870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.767870][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.767870][ T72] netlink_unicast+0x449/0x710 [ 3436.767870][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.767870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.767870][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.767870][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.767870][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.767870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.767870][ T72] [ 3436.769781][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3436.770573][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3436.770573][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.770573][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.770573][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.770573][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3436.770573][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3436.770573][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3436.770573][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3436.770573][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3436.770573][ T72] addrconf_dad_begin+0x310/0x670 [ 3436.770573][ T72] addrconf_dad_work+0x10b/0xab0 [ 3436.770573][ T72] process_one_work+0x84d/0x18a0 [ 3436.770573][ T72] worker_thread+0x587/0xd30 [ 3436.770573][ T72] kthread+0x28a/0x350 [ 3436.770573][ T72] ret_from_fork+0x31/0x70 [ 3436.770573][ T72] ret_from_fork_asm+0x1a/0x30 [ 3436.770573][ T72] [ 3436.772493][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3436.772493][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.772493][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.772493][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.772493][ T72] ip6_route_add+0x1c/0x140 [ 3436.772493][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3436.772493][ T72] inet6_addr_add+0x4f8/0xa40 [ 3436.772493][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.772493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.772493][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.772493][ T72] netlink_unicast+0x449/0x710 [ 3436.772493][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.772493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.772493][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.772493][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.772493][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.772493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.772493][ T72] [ 3436.774490][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3436.774490][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.774490][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.774490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.774490][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3436.774490][ T72] ipv6_add_addr+0x411/0x2000 [ 3436.774490][ T72] inet6_addr_add+0x30e/0xa40 [ 3436.774490][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.774490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.774490][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.774490][ T72] netlink_unicast+0x449/0x710 [ 3436.774490][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.774490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.774490][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.774490][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.774490][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.774490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.774490][ T72] [ 3436.776744][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3436.776744][ T72] netdev_get_by_index+0x5e/0x80 [ 3436.776744][ T72] fib6_nh_init+0x3d8/0x1580 [ 3436.776744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3436.776744][ T72] ip6_route_add+0x1c/0x140 [ 3436.776744][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3436.776744][ T72] addrconf_add_dev+0xe2/0x170 [ 3436.776744][ T72] inet6_addr_add+0x12f/0xa40 [ 3436.776744][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.776744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.776744][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.776744][ T72] netlink_unicast+0x449/0x710 [ 3436.776744][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.776744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.776744][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.776744][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.776744][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.776744][ T72] [ 3436.778965][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3436.778965][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3436.778965][ T72] ipv6_find_idev+0x102/0x170 [ 3436.778965][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.778965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.778965][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.778965][ T72] netlink_unicast+0x449/0x710 [ 3436.778965][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.778965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.778965][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.778965][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.778965][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.778965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.778965][ T72] [ 3436.780714][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3436.780714][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3436.780714][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3436.780714][ T72] ipv6_find_idev+0x102/0x170 [ 3436.780714][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.780714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.780714][ T72] netlink_rcv_skb+0x130/0x360 [ 3436.780714][ T72] netlink_unicast+0x449/0x710 [ 3436.780714][ T72] netlink_sendmsg+0x723/0xbe0 [ 3436.780714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3436.780714][ T72] ___sys_sendmsg+0xee/0x170 [ 3436.780714][ T72] __sys_sendmsg+0xcd/0x170 [ 3436.780714][ T72] do_syscall_64+0xc6/0x1e0 [ 3436.780714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.780714][ T72] [ 3447.032993][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3447.033705][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3447.033705][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3447.033705][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3447.033705][ T72] fib6_nh_init+0xa22/0x1580 [ 3447.033705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.033705][ T72] ip6_route_add+0x1c/0x140 [ 3447.033705][ T72] inet6_rtm_newroute+0x104/0x110 [ 3447.033705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.033705][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.033705][ T72] netlink_unicast+0x449/0x710 [ 3447.033705][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.033705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.033705][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.033705][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.033705][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.033705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.033705][ T72] [ 3447.035567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3447.035567][ T72] dst_init+0x84/0x4a0 [ 3447.035567][ T72] dst_alloc+0x97/0x150 [ 3447.035567][ T72] ip6_dst_alloc+0x23/0x90 [ 3447.035567][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3447.035567][ T72] ip6_pol_route+0x56f/0x840 [ 3447.035567][ T72] fib6_rule_lookup+0x456/0x630 [ 3447.035567][ T72] ip6_route_input+0x59c/0xa50 [ 3447.035567][ T72] ipv6_rcv+0x397/0x810 [ 3447.035567][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3447.035567][ T72] process_backlog+0x101/0x620 [ 3447.035567][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3447.035567][ T72] net_rx_action+0x495/0xbe0 [ 3447.035567][ T72] __do_softirq+0x1b5/0x7f6 [ 3447.035567][ T72] [ 3447.037189][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3447.037189][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.037189][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.037189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.037189][ T72] ip6_route_add+0x1c/0x140 [ 3447.037189][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3447.037189][ T72] inet6_addr_add+0x4f8/0xa40 [ 3447.037189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.037189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.037189][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.037189][ T72] netlink_unicast+0x449/0x710 [ 3447.037189][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.037189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.037189][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.037189][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.037189][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.037189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.037189][ T72] [ 3447.039146][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3447.039146][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.039146][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.039146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.039146][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3447.039146][ T72] ipv6_add_addr+0x411/0x2000 [ 3447.039146][ T72] inet6_addr_add+0x30e/0xa40 [ 3447.039146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.039146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.039146][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.039146][ T72] netlink_unicast+0x449/0x710 [ 3447.039146][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.039146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.039146][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.039146][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.039146][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.039146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.039146][ T72] [ 3447.041189][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3447.041189][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.041189][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.041189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.041189][ T72] ip6_route_add+0x1c/0x140 [ 3447.041189][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3447.041189][ T72] addrconf_add_dev+0xe2/0x170 [ 3447.041189][ T72] inet6_addr_add+0x12f/0xa40 [ 3447.041189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.041189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.041189][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.041189][ T72] netlink_unicast+0x449/0x710 [ 3447.041189][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.041189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.041189][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.041189][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.041189][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.041189][ T72] [ 3447.043186][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3447.043186][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3447.043186][ T72] ipv6_find_idev+0x102/0x170 [ 3447.043186][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.043186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.043186][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.043186][ T72] netlink_unicast+0x449/0x710 [ 3447.043186][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.043186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.043186][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.043186][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.043186][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.043186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.043186][ T72] [ 3447.044717][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3447.044717][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3447.044717][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3447.044717][ T72] ipv6_find_idev+0x102/0x170 [ 3447.044717][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.044717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.044717][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.044717][ T72] netlink_unicast+0x449/0x710 [ 3447.044717][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.044717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.044717][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.044717][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.044717][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.044717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.044717][ T72] [ 3447.046519][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3447.047050][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3447.047050][ T72] dst_init+0x84/0x4a0 [ 3447.047050][ T72] dst_alloc+0x97/0x150 [ 3447.047050][ T72] ip6_dst_alloc+0x23/0x90 [ 3447.047050][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3447.047050][ T72] ip6_pol_route+0x56f/0x840 [ 3447.047050][ T72] fib6_rule_lookup+0x456/0x630 [ 3447.047050][ T72] ip6_route_input+0x59c/0xa50 [ 3447.047050][ T72] ipv6_rcv+0x397/0x810 [ 3447.047050][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3447.047050][ T72] process_backlog+0x101/0x620 [ 3447.047050][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3447.047050][ T72] net_rx_action+0x495/0xbe0 [ 3447.047050][ T72] __do_softirq+0x1b5/0x7f6 [ 3447.047050][ T72] [ 3447.049900][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3447.049900][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.049900][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.049900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.049900][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3447.049900][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3447.049900][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3447.049900][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3447.049900][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3447.049900][ T72] addrconf_dad_begin+0x310/0x670 [ 3447.049900][ T72] addrconf_dad_work+0x10b/0xab0 [ 3447.049900][ T72] process_one_work+0x84d/0x18a0 [ 3447.049900][ T72] worker_thread+0x587/0xd30 [ 3447.049900][ T72] kthread+0x28a/0x350 [ 3447.049900][ T72] ret_from_fork+0x31/0x70 [ 3447.049900][ T72] ret_from_fork_asm+0x1a/0x30 [ 3447.049900][ T72] [ 3447.052955][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3447.052955][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.052955][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.052955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.052955][ T72] ip6_route_add+0x1c/0x140 [ 3447.052955][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3447.052955][ T72] inet6_addr_add+0x4f8/0xa40 [ 3447.052955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.052955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.052955][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.052955][ T72] netlink_unicast+0x449/0x710 [ 3447.052955][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.052955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.052955][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.052955][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.052955][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.052955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.052955][ T72] [ 3447.056238][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3447.056238][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.056238][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.056238][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.056238][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3447.056238][ T72] ipv6_add_addr+0x411/0x2000 [ 3447.056238][ T72] inet6_addr_add+0x30e/0xa40 [ 3447.056238][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.056238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.056238][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.056238][ T72] netlink_unicast+0x449/0x710 [ 3447.056238][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.056238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.056238][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.056238][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.056238][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.056238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.056238][ T72] [ 3447.059590][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3447.059590][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.059590][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.059590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.059590][ T72] ip6_route_add+0x1c/0x140 [ 3447.059590][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3447.059590][ T72] addrconf_add_dev+0xe2/0x170 [ 3447.059590][ T72] inet6_addr_add+0x12f/0xa40 [ 3447.059590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.059590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.059590][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.059590][ T72] netlink_unicast+0x449/0x710 [ 3447.059590][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.059590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.059590][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.059590][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.059590][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.059590][ T72] [ 3447.062796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3447.062796][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3447.062796][ T72] ipv6_find_idev+0x102/0x170 [ 3447.062796][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.062796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.062796][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.062796][ T72] netlink_unicast+0x449/0x710 [ 3447.062796][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.062796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.062796][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.062796][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.062796][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.062796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.062796][ T72] [ 3447.065378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3447.065378][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3447.065378][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3447.065378][ T72] ipv6_find_idev+0x102/0x170 [ 3447.065378][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.065378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.065378][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.065378][ T72] netlink_unicast+0x449/0x710 [ 3447.065378][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.065378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.065378][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.065378][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.065378][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.065378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.065378][ T72] [ 3447.068439][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3447.068957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3447.068957][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3447.068957][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3447.068957][ T72] fib6_nh_init+0xa22/0x1580 [ 3447.068957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.068957][ T72] ip6_route_add+0x1c/0x140 [ 3447.068957][ T72] inet6_rtm_newroute+0x104/0x110 [ 3447.068957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.068957][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.068957][ T72] netlink_unicast+0x449/0x710 [ 3447.068957][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.068957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.068957][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.068957][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.068957][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.068957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.068957][ T72] [ 3447.072521][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3447.072521][ T72] dst_init+0x84/0x4a0 [ 3447.072521][ T72] dst_alloc+0x97/0x150 [ 3447.072521][ T72] ip6_dst_alloc+0x23/0x90 [ 3447.072521][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3447.072521][ T72] ip6_pol_route+0x56f/0x840 [ 3447.072521][ T72] fib6_rule_lookup+0x456/0x630 [ 3447.072521][ T72] ip6_route_input+0x59c/0xa50 [ 3447.072521][ T72] ipv6_rcv+0x397/0x810 [ 3447.072521][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3447.072521][ T72] process_backlog+0x101/0x620 [ 3447.072521][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3447.072521][ T72] net_rx_action+0x495/0xbe0 [ 3447.072521][ T72] __do_softirq+0x1b5/0x7f6 [ 3447.072521][ T72] [ 3447.075545][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3447.075545][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.075545][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.075545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.075545][ T72] ip6_route_add+0x1c/0x140 [ 3447.075545][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3447.075545][ T72] inet6_addr_add+0x4f8/0xa40 [ 3447.075545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.075545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.075545][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.075545][ T72] netlink_unicast+0x449/0x710 [ 3447.075545][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.075545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.075545][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.075545][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.075545][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.075545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.075545][ T72] [ 3447.079343][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3447.079343][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.079343][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.079343][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.079343][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3447.079343][ T72] ipv6_add_addr+0x411/0x2000 [ 3447.079343][ T72] inet6_addr_add+0x30e/0xa40 [ 3447.079343][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.079343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.079343][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.079343][ T72] netlink_unicast+0x449/0x710 [ 3447.079343][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.079343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.079343][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.079343][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.079343][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.079343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.079343][ T72] [ 3447.083004][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3447.083004][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.083004][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.083004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.083004][ T72] ip6_route_add+0x1c/0x140 [ 3447.083004][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3447.083004][ T72] addrconf_add_dev+0xe2/0x170 [ 3447.083004][ T72] inet6_addr_add+0x12f/0xa40 [ 3447.083004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.083004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.083004][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.083004][ T72] netlink_unicast+0x449/0x710 [ 3447.083004][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.083004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.083004][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.083004][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.083004][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.083004][ T72] [ 3447.086739][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3447.086739][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3447.086739][ T72] ipv6_find_idev+0x102/0x170 [ 3447.086739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.086739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.086739][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.086739][ T72] netlink_unicast+0x449/0x710 [ 3447.086739][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.086739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.086739][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.086739][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.086739][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.086739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.086739][ T72] [ 3447.089569][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3447.089569][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3447.089569][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3447.089569][ T72] ipv6_find_idev+0x102/0x170 [ 3447.089569][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.089569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.089569][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.089569][ T72] netlink_unicast+0x449/0x710 [ 3447.089569][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.089569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.089569][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.089569][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.089569][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.089569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.089569][ T72] [ 3447.092681][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3447.094069][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3447.094069][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.094069][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.094069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.094069][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3447.094069][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3447.094069][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3447.094069][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3447.094069][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3447.094069][ T72] addrconf_dad_begin+0x310/0x670 [ 3447.094069][ T72] addrconf_dad_work+0x10b/0xab0 [ 3447.094069][ T72] process_one_work+0x84d/0x18a0 [ 3447.094069][ T72] worker_thread+0x587/0xd30 [ 3447.094069][ T72] kthread+0x28a/0x350 [ 3447.094069][ T72] ret_from_fork+0x31/0x70 [ 3447.094069][ T72] ret_from_fork_asm+0x1a/0x30 [ 3447.094069][ T72] [ 3447.097256][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3447.097256][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.097256][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.097256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.097256][ T72] ip6_route_add+0x1c/0x140 [ 3447.097256][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3447.097256][ T72] inet6_addr_add+0x4f8/0xa40 [ 3447.097256][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.097256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.097256][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.097256][ T72] netlink_unicast+0x449/0x710 [ 3447.097256][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.097256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.097256][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.097256][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.097256][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.097256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.097256][ T72] [ 3447.100515][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3447.100515][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.100515][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.100515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.100515][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3447.100515][ T72] ipv6_add_addr+0x411/0x2000 [ 3447.100515][ T72] inet6_addr_add+0x30e/0xa40 [ 3447.100515][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.100515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.100515][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.100515][ T72] netlink_unicast+0x449/0x710 [ 3447.100515][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.100515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.100515][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.100515][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.100515][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.100515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.100515][ T72] [ 3447.104306][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3447.104306][ T72] netdev_get_by_index+0x5e/0x80 [ 3447.104306][ T72] fib6_nh_init+0x3d8/0x1580 [ 3447.104306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3447.104306][ T72] ip6_route_add+0x1c/0x140 [ 3447.104306][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3447.104306][ T72] addrconf_add_dev+0xe2/0x170 [ 3447.104306][ T72] inet6_addr_add+0x12f/0xa40 [ 3447.104306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.104306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.104306][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.104306][ T72] netlink_unicast+0x449/0x710 [ 3447.104306][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.104306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.104306][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.104306][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.104306][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.104306][ T72] [ 3447.108071][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3447.108071][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3447.108071][ T72] ipv6_find_idev+0x102/0x170 [ 3447.108071][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.108071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.108071][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.108071][ T72] netlink_unicast+0x449/0x710 [ 3447.108071][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.108071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.108071][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.108071][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.108071][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.108071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.108071][ T72] [ 3447.110865][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3447.110865][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3447.110865][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3447.110865][ T72] ipv6_find_idev+0x102/0x170 [ 3447.110865][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.110865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.110865][ T72] netlink_rcv_skb+0x130/0x360 [ 3447.110865][ T72] netlink_unicast+0x449/0x710 [ 3447.110865][ T72] netlink_sendmsg+0x723/0xbe0 [ 3447.110865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3447.110865][ T72] ___sys_sendmsg+0xee/0x170 [ 3447.110865][ T72] __sys_sendmsg+0xcd/0x170 [ 3447.110865][ T72] do_syscall_64+0xc6/0x1e0 [ 3447.110865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.110865][ T72] [ 3457.145005][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3457.145727][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3457.145727][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3457.145727][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3457.145727][ T72] fib6_nh_init+0xa22/0x1580 [ 3457.145727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.145727][ T72] ip6_route_add+0x1c/0x140 [ 3457.145727][ T72] inet6_rtm_newroute+0x104/0x110 [ 3457.145727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.145727][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.145727][ T72] netlink_unicast+0x449/0x710 [ 3457.145727][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.145727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.145727][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.145727][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.145727][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.145727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.145727][ T72] [ 3457.147537][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3457.147537][ T72] dst_init+0x84/0x4a0 [ 3457.147537][ T72] dst_alloc+0x97/0x150 [ 3457.147537][ T72] ip6_dst_alloc+0x23/0x90 [ 3457.147537][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3457.147537][ T72] ip6_pol_route+0x56f/0x840 [ 3457.147537][ T72] fib6_rule_lookup+0x456/0x630 [ 3457.147537][ T72] ip6_route_input+0x59c/0xa50 [ 3457.147537][ T72] ipv6_rcv+0x397/0x810 [ 3457.147537][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3457.147537][ T72] process_backlog+0x101/0x620 [ 3457.147537][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3457.147537][ T72] net_rx_action+0x495/0xbe0 [ 3457.147537][ T72] __do_softirq+0x1b5/0x7f6 [ 3457.147537][ T72] [ 3457.149190][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3457.149190][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.149190][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.149190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.149190][ T72] ip6_route_add+0x1c/0x140 [ 3457.149190][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3457.149190][ T72] inet6_addr_add+0x4f8/0xa40 [ 3457.149190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.149190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.149190][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.149190][ T72] netlink_unicast+0x449/0x710 [ 3457.149190][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.149190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.149190][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.149190][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.149190][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.149190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.149190][ T72] [ 3457.151118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3457.151118][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.151118][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.151118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.151118][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3457.151118][ T72] ipv6_add_addr+0x411/0x2000 [ 3457.151118][ T72] inet6_addr_add+0x30e/0xa40 [ 3457.151118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.151118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.151118][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.151118][ T72] netlink_unicast+0x449/0x710 [ 3457.151118][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.151118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.151118][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.151118][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.151118][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.151118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.151118][ T72] [ 3457.153069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3457.153069][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.153069][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.153069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.153069][ T72] ip6_route_add+0x1c/0x140 [ 3457.153069][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3457.153069][ T72] addrconf_add_dev+0xe2/0x170 [ 3457.153069][ T72] inet6_addr_add+0x12f/0xa40 [ 3457.153069][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.153069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.153069][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.153069][ T72] netlink_unicast+0x449/0x710 [ 3457.153069][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.153069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.153069][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.153069][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.153069][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.153069][ T72] [ 3457.154901][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3457.154901][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3457.154901][ T72] ipv6_find_idev+0x102/0x170 [ 3457.154901][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.154901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.154901][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.154901][ T72] netlink_unicast+0x449/0x710 [ 3457.154901][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.154901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.154901][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.154901][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.154901][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.154901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.154901][ T72] [ 3457.156338][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3457.156338][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3457.156338][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3457.156338][ T72] ipv6_find_idev+0x102/0x170 [ 3457.156338][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.156338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.156338][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.156338][ T72] netlink_unicast+0x449/0x710 [ 3457.156338][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.156338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.156338][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.156338][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.156338][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.156338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.156338][ T72] [ 3457.157943][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3457.158234][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3457.158234][ T72] dst_init+0x84/0x4a0 [ 3457.158234][ T72] dst_alloc+0x97/0x150 [ 3457.158234][ T72] ip6_dst_alloc+0x23/0x90 [ 3457.158234][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3457.158234][ T72] ip6_pol_route+0x56f/0x840 [ 3457.158234][ T72] fib6_rule_lookup+0x456/0x630 [ 3457.158234][ T72] ip6_route_input+0x59c/0xa50 [ 3457.158234][ T72] ipv6_rcv+0x397/0x810 [ 3457.158234][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3457.158234][ T72] process_backlog+0x101/0x620 [ 3457.158234][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3457.158234][ T72] net_rx_action+0x495/0xbe0 [ 3457.158234][ T72] __do_softirq+0x1b5/0x7f6 [ 3457.158234][ T72] [ 3457.159922][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3457.159922][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.159922][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.159922][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.159922][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3457.159922][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3457.159922][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3457.159922][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3457.159922][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3457.159922][ T72] addrconf_dad_begin+0x310/0x670 [ 3457.159922][ T72] addrconf_dad_work+0x10b/0xab0 [ 3457.159922][ T72] process_one_work+0x84d/0x18a0 [ 3457.159922][ T72] worker_thread+0x587/0xd30 [ 3457.159922][ T72] kthread+0x28a/0x350 [ 3457.159922][ T72] ret_from_fork+0x31/0x70 [ 3457.159922][ T72] ret_from_fork_asm+0x1a/0x30 [ 3457.159922][ T72] [ 3457.161878][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3457.161878][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.161878][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.161878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.161878][ T72] ip6_route_add+0x1c/0x140 [ 3457.161878][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3457.161878][ T72] inet6_addr_add+0x4f8/0xa40 [ 3457.161878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.161878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.161878][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.161878][ T72] netlink_unicast+0x449/0x710 [ 3457.161878][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.161878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.161878][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.161878][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.161878][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.161878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.161878][ T72] [ 3457.163882][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3457.163882][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.163882][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.163882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.163882][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3457.163882][ T72] ipv6_add_addr+0x411/0x2000 [ 3457.163882][ T72] inet6_addr_add+0x30e/0xa40 [ 3457.163882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.163882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.163882][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.163882][ T72] netlink_unicast+0x449/0x710 [ 3457.163882][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.163882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.163882][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.163882][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.163882][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.163882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.163882][ T72] [ 3457.165910][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3457.165910][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.165910][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.165910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.165910][ T72] ip6_route_add+0x1c/0x140 [ 3457.165910][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3457.165910][ T72] addrconf_add_dev+0xe2/0x170 [ 3457.165910][ T72] inet6_addr_add+0x12f/0xa40 [ 3457.165910][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.165910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.165910][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.165910][ T72] netlink_unicast+0x449/0x710 [ 3457.165910][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.165910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.165910][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.165910][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.165910][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.165910][ T72] [ 3457.167874][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3457.167874][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3457.167874][ T72] ipv6_find_idev+0x102/0x170 [ 3457.167874][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.167874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.167874][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.167874][ T72] netlink_unicast+0x449/0x710 [ 3457.167874][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.167874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.167874][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.167874][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.167874][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.167874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.167874][ T72] [ 3457.169407][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3457.169407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3457.169407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3457.169407][ T72] ipv6_find_idev+0x102/0x170 [ 3457.169407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.169407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.169407][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.169407][ T72] netlink_unicast+0x449/0x710 [ 3457.169407][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.169407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.169407][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.169407][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.169407][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.169407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.169407][ T72] [ 3457.171250][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3457.171520][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3457.171520][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3457.171520][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3457.171520][ T72] fib6_nh_init+0xa22/0x1580 [ 3457.171520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.171520][ T72] ip6_route_add+0x1c/0x140 [ 3457.171520][ T72] inet6_rtm_newroute+0x104/0x110 [ 3457.171520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.171520][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.171520][ T72] netlink_unicast+0x449/0x710 [ 3457.171520][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.171520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.171520][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.171520][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.171520][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.171520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.171520][ T72] [ 3457.173733][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3457.173733][ T72] dst_init+0x84/0x4a0 [ 3457.173733][ T72] dst_alloc+0x97/0x150 [ 3457.173733][ T72] ip6_dst_alloc+0x23/0x90 [ 3457.173733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3457.173733][ T72] ip6_pol_route+0x56f/0x840 [ 3457.173733][ T72] fib6_rule_lookup+0x456/0x630 [ 3457.173733][ T72] ip6_route_input+0x59c/0xa50 [ 3457.173733][ T72] ipv6_rcv+0x397/0x810 [ 3457.173733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3457.173733][ T72] process_backlog+0x101/0x620 [ 3457.173733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3457.173733][ T72] net_rx_action+0x495/0xbe0 [ 3457.173733][ T72] __do_softirq+0x1b5/0x7f6 [ 3457.173733][ T72] [ 3457.175575][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3457.175575][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.175575][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.175575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.175575][ T72] ip6_route_add+0x1c/0x140 [ 3457.175575][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3457.175575][ T72] inet6_addr_add+0x4f8/0xa40 [ 3457.175575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.175575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.175575][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.175575][ T72] netlink_unicast+0x449/0x710 [ 3457.175575][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.175575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.175575][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.175575][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.175575][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.175575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.175575][ T72] [ 3457.177797][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3457.177797][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.177797][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.177797][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.177797][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3457.177797][ T72] ipv6_add_addr+0x411/0x2000 [ 3457.177797][ T72] inet6_addr_add+0x30e/0xa40 [ 3457.177797][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.177797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.177797][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.177797][ T72] netlink_unicast+0x449/0x710 [ 3457.177797][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.177797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.177797][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.177797][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.177797][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.177797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.177797][ T72] [ 3457.179994][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3457.179994][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.179994][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.179994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.179994][ T72] ip6_route_add+0x1c/0x140 [ 3457.179994][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3457.179994][ T72] addrconf_add_dev+0xe2/0x170 [ 3457.179994][ T72] inet6_addr_add+0x12f/0xa40 [ 3457.179994][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.179994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.179994][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.179994][ T72] netlink_unicast+0x449/0x710 [ 3457.179994][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.179994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.179994][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.179994][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.179994][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.179994][ T72] [ 3457.182810][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3457.182810][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3457.182810][ T72] ipv6_find_idev+0x102/0x170 [ 3457.182810][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.182810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.182810][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.182810][ T72] netlink_unicast+0x449/0x710 [ 3457.182810][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.182810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.182810][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.182810][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.182810][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.182810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.182810][ T72] [ 3457.184540][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3457.184540][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3457.184540][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3457.184540][ T72] ipv6_find_idev+0x102/0x170 [ 3457.184540][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.184540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.184540][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.184540][ T72] netlink_unicast+0x449/0x710 [ 3457.184540][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.184540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.184540][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.184540][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.184540][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.184540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.184540][ T72] [ 3457.186810][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3457.187159][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3457.187159][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.187159][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.187159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.187159][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3457.187159][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3457.187159][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3457.187159][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3457.187159][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3457.187159][ T72] addrconf_dad_begin+0x310/0x670 [ 3457.187159][ T72] addrconf_dad_work+0x10b/0xab0 [ 3457.187159][ T72] process_one_work+0x84d/0x18a0 [ 3457.187159][ T72] worker_thread+0x587/0xd30 [ 3457.187159][ T72] kthread+0x28a/0x350 [ 3457.187159][ T72] ret_from_fork+0x31/0x70 [ 3457.187159][ T72] ret_from_fork_asm+0x1a/0x30 [ 3457.187159][ T72] [ 3457.189192][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3457.189192][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.189192][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.189192][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.189192][ T72] ip6_route_add+0x1c/0x140 [ 3457.189192][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3457.189192][ T72] inet6_addr_add+0x4f8/0xa40 [ 3457.189192][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.189192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.189192][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.189192][ T72] netlink_unicast+0x449/0x710 [ 3457.189192][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.189192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.189192][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.189192][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.189192][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.189192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.189192][ T72] [ 3457.191429][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3457.191429][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.191429][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.191429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.191429][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3457.191429][ T72] ipv6_add_addr+0x411/0x2000 [ 3457.191429][ T72] inet6_addr_add+0x30e/0xa40 [ 3457.191429][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.191429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.191429][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.191429][ T72] netlink_unicast+0x449/0x710 [ 3457.191429][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.191429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.191429][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.191429][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.191429][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.191429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.191429][ T72] [ 3457.193758][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3457.193758][ T72] netdev_get_by_index+0x5e/0x80 [ 3457.193758][ T72] fib6_nh_init+0x3d8/0x1580 [ 3457.193758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3457.193758][ T72] ip6_route_add+0x1c/0x140 [ 3457.193758][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3457.193758][ T72] addrconf_add_dev+0xe2/0x170 [ 3457.193758][ T72] inet6_addr_add+0x12f/0xa40 [ 3457.193758][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.193758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.193758][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.193758][ T72] netlink_unicast+0x449/0x710 [ 3457.193758][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.193758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.193758][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.193758][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.193758][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.193758][ T72] [ 3457.195970][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3457.195970][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3457.195970][ T72] ipv6_find_idev+0x102/0x170 [ 3457.195970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.195970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.195970][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.195970][ T72] netlink_unicast+0x449/0x710 [ 3457.195970][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.195970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.195970][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.195970][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.195970][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.195970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.195970][ T72] [ 3457.197697][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3457.197697][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3457.197697][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3457.197697][ T72] ipv6_find_idev+0x102/0x170 [ 3457.197697][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.197697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.197697][ T72] netlink_rcv_skb+0x130/0x360 [ 3457.197697][ T72] netlink_unicast+0x449/0x710 [ 3457.197697][ T72] netlink_sendmsg+0x723/0xbe0 [ 3457.197697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3457.197697][ T72] ___sys_sendmsg+0xee/0x170 [ 3457.197697][ T72] __sys_sendmsg+0xcd/0x170 [ 3457.197697][ T72] do_syscall_64+0xc6/0x1e0 [ 3457.197697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.197697][ T72] [ 3467.360973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3467.361761][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3467.361761][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3467.361761][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3467.361761][ T72] fib6_nh_init+0xa22/0x1580 [ 3467.361761][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.361761][ T72] ip6_route_add+0x1c/0x140 [ 3467.361761][ T72] inet6_rtm_newroute+0x104/0x110 [ 3467.361761][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.361761][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.361761][ T72] netlink_unicast+0x449/0x710 [ 3467.361761][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.361761][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.361761][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.361761][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.361761][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.361761][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.361761][ T72] [ 3467.363607][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3467.363607][ T72] dst_init+0x84/0x4a0 [ 3467.363607][ T72] dst_alloc+0x97/0x150 [ 3467.363607][ T72] ip6_dst_alloc+0x23/0x90 [ 3467.363607][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3467.363607][ T72] ip6_pol_route+0x56f/0x840 [ 3467.363607][ T72] fib6_rule_lookup+0x456/0x630 [ 3467.363607][ T72] ip6_route_input+0x59c/0xa50 [ 3467.363607][ T72] ipv6_rcv+0x397/0x810 [ 3467.363607][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3467.363607][ T72] process_backlog+0x101/0x620 [ 3467.363607][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3467.363607][ T72] net_rx_action+0x495/0xbe0 [ 3467.363607][ T72] __do_softirq+0x1b5/0x7f6 [ 3467.363607][ T72] [ 3467.365203][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3467.365203][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.365203][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.365203][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.365203][ T72] ip6_route_add+0x1c/0x140 [ 3467.365203][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3467.365203][ T72] inet6_addr_add+0x4f8/0xa40 [ 3467.365203][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.365203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.365203][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.365203][ T72] netlink_unicast+0x449/0x710 [ 3467.365203][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.365203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.365203][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.365203][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.365203][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.365203][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.365203][ T72] [ 3467.367189][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3467.367189][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.367189][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.367189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.367189][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3467.367189][ T72] ipv6_add_addr+0x411/0x2000 [ 3467.367189][ T72] inet6_addr_add+0x30e/0xa40 [ 3467.367189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.367189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.367189][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.367189][ T72] netlink_unicast+0x449/0x710 [ 3467.367189][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.367189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.367189][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.367189][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.367189][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.367189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.367189][ T72] [ 3467.369119][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3467.369119][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.369119][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.369119][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.369119][ T72] ip6_route_add+0x1c/0x140 [ 3467.369119][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3467.369119][ T72] addrconf_add_dev+0xe2/0x170 [ 3467.369119][ T72] inet6_addr_add+0x12f/0xa40 [ 3467.369119][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.369119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.369119][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.369119][ T72] netlink_unicast+0x449/0x710 [ 3467.369119][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.369119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.369119][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.369119][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.369119][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.369119][ T72] [ 3467.371022][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3467.371022][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3467.371022][ T72] ipv6_find_idev+0x102/0x170 [ 3467.371022][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.371022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.371022][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.371022][ T72] netlink_unicast+0x449/0x710 [ 3467.371022][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.371022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.371022][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.371022][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.371022][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.371022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.371022][ T72] [ 3467.372566][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3467.372566][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3467.372566][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3467.372566][ T72] ipv6_find_idev+0x102/0x170 [ 3467.372566][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.372566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.372566][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.372566][ T72] netlink_unicast+0x449/0x710 [ 3467.372566][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.372566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.372566][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.372566][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.372566][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.372566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.372566][ T72] [ 3467.374220][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3467.374512][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3467.374512][ T72] dst_init+0x84/0x4a0 [ 3467.374512][ T72] dst_alloc+0x97/0x150 [ 3467.374512][ T72] ip6_dst_alloc+0x23/0x90 [ 3467.374512][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3467.374512][ T72] ip6_pol_route+0x56f/0x840 [ 3467.374512][ T72] fib6_rule_lookup+0x456/0x630 [ 3467.374512][ T72] ip6_route_input+0x59c/0xa50 [ 3467.374512][ T72] ipv6_rcv+0x397/0x810 [ 3467.374512][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3467.374512][ T72] process_backlog+0x101/0x620 [ 3467.374512][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3467.374512][ T72] net_rx_action+0x495/0xbe0 [ 3467.374512][ T72] __do_softirq+0x1b5/0x7f6 [ 3467.374512][ T72] [ 3467.376163][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3467.376163][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.376163][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.376163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.376163][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3467.376163][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3467.376163][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3467.376163][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3467.376163][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3467.376163][ T72] addrconf_dad_begin+0x310/0x670 [ 3467.376163][ T72] addrconf_dad_work+0x10b/0xab0 [ 3467.376163][ T72] process_one_work+0x84d/0x18a0 [ 3467.376163][ T72] worker_thread+0x587/0xd30 [ 3467.376163][ T72] kthread+0x28a/0x350 [ 3467.376163][ T72] ret_from_fork+0x31/0x70 [ 3467.376163][ T72] ret_from_fork_asm+0x1a/0x30 [ 3467.376163][ T72] [ 3467.378423][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3467.378423][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.378423][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.378423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.378423][ T72] ip6_route_add+0x1c/0x140 [ 3467.378423][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3467.378423][ T72] inet6_addr_add+0x4f8/0xa40 [ 3467.378423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.378423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.378423][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.378423][ T72] netlink_unicast+0x449/0x710 [ 3467.378423][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.378423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.378423][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.378423][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.378423][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.378423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.378423][ T72] [ 3467.380359][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3467.380359][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.380359][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.380359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.380359][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3467.380359][ T72] ipv6_add_addr+0x411/0x2000 [ 3467.380359][ T72] inet6_addr_add+0x30e/0xa40 [ 3467.380359][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.380359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.380359][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.380359][ T72] netlink_unicast+0x449/0x710 [ 3467.380359][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.380359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.380359][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.380359][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.380359][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.380359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.380359][ T72] [ 3467.382340][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3467.382340][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.382340][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.382340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.382340][ T72] ip6_route_add+0x1c/0x140 [ 3467.382340][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3467.382340][ T72] addrconf_add_dev+0xe2/0x170 [ 3467.382340][ T72] inet6_addr_add+0x12f/0xa40 [ 3467.382340][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.382340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.382340][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.382340][ T72] netlink_unicast+0x449/0x710 [ 3467.382340][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.382340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.382340][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.382340][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.382340][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.382340][ T72] [ 3467.384321][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3467.384321][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3467.384321][ T72] ipv6_find_idev+0x102/0x170 [ 3467.384321][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.384321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.384321][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.384321][ T72] netlink_unicast+0x449/0x710 [ 3467.384321][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.384321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.384321][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.384321][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.384321][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.384321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.384321][ T72] [ 3467.385861][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3467.385861][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3467.385861][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3467.385861][ T72] ipv6_find_idev+0x102/0x170 [ 3467.385861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.385861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.385861][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.385861][ T72] netlink_unicast+0x449/0x710 [ 3467.385861][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.385861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.385861][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.385861][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.385861][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.385861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.385861][ T72] [ 3467.387597][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3467.387938][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3467.387938][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3467.387938][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3467.387938][ T72] fib6_nh_init+0xa22/0x1580 [ 3467.387938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.387938][ T72] ip6_route_add+0x1c/0x140 [ 3467.387938][ T72] inet6_rtm_newroute+0x104/0x110 [ 3467.387938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.387938][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.387938][ T72] netlink_unicast+0x449/0x710 [ 3467.387938][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.387938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.387938][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.387938][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.387938][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.387938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.387938][ T72] [ 3467.390022][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3467.390022][ T72] dst_init+0x84/0x4a0 [ 3467.390022][ T72] dst_alloc+0x97/0x150 [ 3467.390022][ T72] ip6_dst_alloc+0x23/0x90 [ 3467.390022][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3467.390022][ T72] ip6_pol_route+0x56f/0x840 [ 3467.390022][ T72] fib6_rule_lookup+0x456/0x630 [ 3467.390022][ T72] ip6_route_input+0x59c/0xa50 [ 3467.390022][ T72] ipv6_rcv+0x397/0x810 [ 3467.390022][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3467.390022][ T72] process_backlog+0x101/0x620 [ 3467.390022][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3467.390022][ T72] net_rx_action+0x495/0xbe0 [ 3467.390022][ T72] __do_softirq+0x1b5/0x7f6 [ 3467.390022][ T72] [ 3467.391868][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3467.391868][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.391868][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.391868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.391868][ T72] ip6_route_add+0x1c/0x140 [ 3467.391868][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3467.391868][ T72] inet6_addr_add+0x4f8/0xa40 [ 3467.391868][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.391868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.391868][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.391868][ T72] netlink_unicast+0x449/0x710 [ 3467.391868][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.391868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.391868][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.391868][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.391868][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.391868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.391868][ T72] [ 3467.394018][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3467.394018][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.394018][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.394018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.394018][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3467.394018][ T72] ipv6_add_addr+0x411/0x2000 [ 3467.394018][ T72] inet6_addr_add+0x30e/0xa40 [ 3467.394018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.394018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.394018][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.394018][ T72] netlink_unicast+0x449/0x710 [ 3467.394018][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.394018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.394018][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.394018][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.394018][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.394018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.394018][ T72] [ 3467.396245][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3467.396245][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.396245][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.396245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.396245][ T72] ip6_route_add+0x1c/0x140 [ 3467.396245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3467.396245][ T72] addrconf_add_dev+0xe2/0x170 [ 3467.396245][ T72] inet6_addr_add+0x12f/0xa40 [ 3467.396245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.396245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.396245][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.396245][ T72] netlink_unicast+0x449/0x710 [ 3467.396245][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.396245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.396245][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.396245][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.396245][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.396245][ T72] [ 3467.398529][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3467.398529][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3467.398529][ T72] ipv6_find_idev+0x102/0x170 [ 3467.398529][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.398529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.398529][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.398529][ T72] netlink_unicast+0x449/0x710 [ 3467.398529][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.398529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.398529][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.398529][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.398529][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.398529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.398529][ T72] [ 3467.400207][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3467.400207][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3467.400207][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3467.400207][ T72] ipv6_find_idev+0x102/0x170 [ 3467.400207][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.400207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.400207][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.400207][ T72] netlink_unicast+0x449/0x710 [ 3467.400207][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.400207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.400207][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.400207][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.400207][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.400207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.400207][ T72] [ 3467.402052][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3467.402375][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3467.402375][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.402375][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.402375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.402375][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3467.402375][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3467.402375][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3467.402375][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3467.402375][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3467.402375][ T72] addrconf_dad_begin+0x310/0x670 [ 3467.402375][ T72] addrconf_dad_work+0x10b/0xab0 [ 3467.402375][ T72] process_one_work+0x84d/0x18a0 [ 3467.402375][ T72] worker_thread+0x587/0xd30 [ 3467.402375][ T72] kthread+0x28a/0x350 [ 3467.402375][ T72] ret_from_fork+0x31/0x70 [ 3467.402375][ T72] ret_from_fork_asm+0x1a/0x30 [ 3467.402375][ T72] [ 3467.404468][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3467.404468][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.404468][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.404468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.404468][ T72] ip6_route_add+0x1c/0x140 [ 3467.404468][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3467.404468][ T72] inet6_addr_add+0x4f8/0xa40 [ 3467.404468][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.404468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.404468][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.404468][ T72] netlink_unicast+0x449/0x710 [ 3467.404468][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.404468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.404468][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.404468][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.404468][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.404468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.404468][ T72] [ 3467.407220][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3467.407220][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.407220][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.407220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.407220][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3467.407220][ T72] ipv6_add_addr+0x411/0x2000 [ 3467.407220][ T72] inet6_addr_add+0x30e/0xa40 [ 3467.407220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.407220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.407220][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.407220][ T72] netlink_unicast+0x449/0x710 [ 3467.407220][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.407220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.407220][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.407220][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.407220][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.407220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.407220][ T72] [ 3467.409499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3467.409499][ T72] netdev_get_by_index+0x5e/0x80 [ 3467.409499][ T72] fib6_nh_init+0x3d8/0x1580 [ 3467.409499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3467.409499][ T72] ip6_route_add+0x1c/0x140 [ 3467.409499][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3467.409499][ T72] addrconf_add_dev+0xe2/0x170 [ 3467.409499][ T72] inet6_addr_add+0x12f/0xa40 [ 3467.409499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.409499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.409499][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.409499][ T72] netlink_unicast+0x449/0x710 [ 3467.409499][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.409499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.409499][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.409499][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.409499][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.409499][ T72] [ 3467.411671][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3467.411671][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3467.411671][ T72] ipv6_find_idev+0x102/0x170 [ 3467.411671][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.411671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.411671][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.411671][ T72] netlink_unicast+0x449/0x710 [ 3467.411671][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.411671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.411671][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.411671][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.411671][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.411671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.411671][ T72] [ 3467.413373][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3467.413373][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3467.413373][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3467.413373][ T72] ipv6_find_idev+0x102/0x170 [ 3467.413373][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.413373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.413373][ T72] netlink_rcv_skb+0x130/0x360 [ 3467.413373][ T72] netlink_unicast+0x449/0x710 [ 3467.413373][ T72] netlink_sendmsg+0x723/0xbe0 [ 3467.413373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3467.413373][ T72] ___sys_sendmsg+0xee/0x170 [ 3467.413373][ T72] __sys_sendmsg+0xcd/0x170 [ 3467.413373][ T72] do_syscall_64+0xc6/0x1e0 [ 3467.413373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.413373][ T72] [ 3477.504973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3477.505745][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3477.505745][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3477.505745][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3477.505745][ T72] fib6_nh_init+0xa22/0x1580 [ 3477.505745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.505745][ T72] ip6_route_add+0x1c/0x140 [ 3477.505745][ T72] inet6_rtm_newroute+0x104/0x110 [ 3477.505745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.505745][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.505745][ T72] netlink_unicast+0x449/0x710 [ 3477.505745][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.505745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.505745][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.505745][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.505745][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.505745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.505745][ T72] [ 3477.507613][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3477.507613][ T72] dst_init+0x84/0x4a0 [ 3477.507613][ T72] dst_alloc+0x97/0x150 [ 3477.507613][ T72] ip6_dst_alloc+0x23/0x90 [ 3477.507613][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3477.507613][ T72] ip6_pol_route+0x56f/0x840 [ 3477.507613][ T72] fib6_rule_lookup+0x456/0x630 [ 3477.507613][ T72] ip6_route_input+0x59c/0xa50 [ 3477.507613][ T72] ipv6_rcv+0x397/0x810 [ 3477.507613][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3477.507613][ T72] process_backlog+0x101/0x620 [ 3477.507613][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3477.507613][ T72] net_rx_action+0x495/0xbe0 [ 3477.507613][ T72] __do_softirq+0x1b5/0x7f6 [ 3477.507613][ T72] [ 3477.509275][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3477.509275][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.509275][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.509275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.509275][ T72] ip6_route_add+0x1c/0x140 [ 3477.509275][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3477.509275][ T72] inet6_addr_add+0x4f8/0xa40 [ 3477.509275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.509275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.509275][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.509275][ T72] netlink_unicast+0x449/0x710 [ 3477.509275][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.509275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.509275][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.509275][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.509275][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.509275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.509275][ T72] [ 3477.511215][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3477.511215][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.511215][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.511215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.511215][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3477.511215][ T72] ipv6_add_addr+0x411/0x2000 [ 3477.511215][ T72] inet6_addr_add+0x30e/0xa40 [ 3477.511215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.511215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.511215][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.511215][ T72] netlink_unicast+0x449/0x710 [ 3477.511215][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.511215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.511215][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.511215][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.511215][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.511215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.511215][ T72] [ 3477.513218][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3477.513218][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.513218][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.513218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.513218][ T72] ip6_route_add+0x1c/0x140 [ 3477.513218][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3477.513218][ T72] addrconf_add_dev+0xe2/0x170 [ 3477.513218][ T72] inet6_addr_add+0x12f/0xa40 [ 3477.513218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.513218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.513218][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.513218][ T72] netlink_unicast+0x449/0x710 [ 3477.513218][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.513218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.513218][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.513218][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.513218][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.513218][ T72] [ 3477.515189][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3477.515189][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3477.515189][ T72] ipv6_find_idev+0x102/0x170 [ 3477.515189][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.515189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.515189][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.515189][ T72] netlink_unicast+0x449/0x710 [ 3477.515189][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.515189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.515189][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.515189][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.515189][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.515189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.515189][ T72] [ 3477.516678][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3477.516678][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3477.516678][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3477.516678][ T72] ipv6_find_idev+0x102/0x170 [ 3477.516678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.516678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.516678][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.516678][ T72] netlink_unicast+0x449/0x710 [ 3477.516678][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.516678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.516678][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.516678][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.516678][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.516678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.516678][ T72] [ 3477.518306][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3477.518594][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3477.518594][ T72] dst_init+0x84/0x4a0 [ 3477.518594][ T72] dst_alloc+0x97/0x150 [ 3477.518594][ T72] ip6_dst_alloc+0x23/0x90 [ 3477.518594][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3477.518594][ T72] ip6_pol_route+0x56f/0x840 [ 3477.518594][ T72] fib6_rule_lookup+0x456/0x630 [ 3477.518594][ T72] ip6_route_input+0x59c/0xa50 [ 3477.518594][ T72] ipv6_rcv+0x397/0x810 [ 3477.518594][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3477.518594][ T72] process_backlog+0x101/0x620 [ 3477.518594][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3477.518594][ T72] net_rx_action+0x495/0xbe0 [ 3477.518594][ T72] __do_softirq+0x1b5/0x7f6 [ 3477.518594][ T72] [ 3477.520246][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3477.520246][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.520246][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.520246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.520246][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3477.520246][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3477.520246][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3477.520246][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3477.520246][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3477.520246][ T72] addrconf_dad_begin+0x310/0x670 [ 3477.520246][ T72] addrconf_dad_work+0x10b/0xab0 [ 3477.520246][ T72] process_one_work+0x84d/0x18a0 [ 3477.520246][ T72] worker_thread+0x587/0xd30 [ 3477.520246][ T72] kthread+0x28a/0x350 [ 3477.520246][ T72] ret_from_fork+0x31/0x70 [ 3477.520246][ T72] ret_from_fork_asm+0x1a/0x30 [ 3477.520246][ T72] [ 3477.522130][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3477.522130][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.522130][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.522130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.522130][ T72] ip6_route_add+0x1c/0x140 [ 3477.522130][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3477.522130][ T72] inet6_addr_add+0x4f8/0xa40 [ 3477.522130][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.522130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.522130][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.522130][ T72] netlink_unicast+0x449/0x710 [ 3477.522130][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.522130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.522130][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.522130][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.522130][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.522130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.522130][ T72] [ 3477.524055][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3477.524055][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.524055][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.524055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.524055][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3477.524055][ T72] ipv6_add_addr+0x411/0x2000 [ 3477.524055][ T72] inet6_addr_add+0x30e/0xa40 [ 3477.524055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.524055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.524055][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.524055][ T72] netlink_unicast+0x449/0x710 [ 3477.524055][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.524055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.524055][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.524055][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.524055][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.524055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.524055][ T72] [ 3477.526050][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3477.526050][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.526050][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.526050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.526050][ T72] ip6_route_add+0x1c/0x140 [ 3477.526050][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3477.526050][ T72] addrconf_add_dev+0xe2/0x170 [ 3477.526050][ T72] inet6_addr_add+0x12f/0xa40 [ 3477.526050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.526050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.526050][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.526050][ T72] netlink_unicast+0x449/0x710 [ 3477.526050][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.526050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.526050][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.526050][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.526050][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.526050][ T72] [ 3477.527991][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3477.527991][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3477.527991][ T72] ipv6_find_idev+0x102/0x170 [ 3477.527991][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.527991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.527991][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.527991][ T72] netlink_unicast+0x449/0x710 [ 3477.527991][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.527991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.527991][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.527991][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.527991][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.527991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.527991][ T72] [ 3477.529535][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3477.529535][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3477.529535][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3477.529535][ T72] ipv6_find_idev+0x102/0x170 [ 3477.529535][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.529535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.529535][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.529535][ T72] netlink_unicast+0x449/0x710 [ 3477.529535][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.529535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.529535][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.529535][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.529535][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.529535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.529535][ T72] [ 3477.531277][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3477.531611][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3477.531611][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3477.531611][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3477.531611][ T72] fib6_nh_init+0xa22/0x1580 [ 3477.531611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.531611][ T72] ip6_route_add+0x1c/0x140 [ 3477.531611][ T72] inet6_rtm_newroute+0x104/0x110 [ 3477.531611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.531611][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.531611][ T72] netlink_unicast+0x449/0x710 [ 3477.531611][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.531611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.531611][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.531611][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.531611][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.531611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.531611][ T72] [ 3477.533641][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3477.533641][ T72] dst_init+0x84/0x4a0 [ 3477.533641][ T72] dst_alloc+0x97/0x150 [ 3477.533641][ T72] ip6_dst_alloc+0x23/0x90 [ 3477.533641][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3477.533641][ T72] ip6_pol_route+0x56f/0x840 [ 3477.533641][ T72] fib6_rule_lookup+0x456/0x630 [ 3477.533641][ T72] ip6_route_input+0x59c/0xa50 [ 3477.533641][ T72] ipv6_rcv+0x397/0x810 [ 3477.533641][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3477.533641][ T72] process_backlog+0x101/0x620 [ 3477.533641][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3477.533641][ T72] net_rx_action+0x495/0xbe0 [ 3477.533641][ T72] __do_softirq+0x1b5/0x7f6 [ 3477.533641][ T72] [ 3477.535578][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3477.535578][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.535578][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.535578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.535578][ T72] ip6_route_add+0x1c/0x140 [ 3477.535578][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3477.535578][ T72] inet6_addr_add+0x4f8/0xa40 [ 3477.535578][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.535578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.535578][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.535578][ T72] netlink_unicast+0x449/0x710 [ 3477.535578][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.535578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.535578][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.535578][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.535578][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.535578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.535578][ T72] [ 3477.537714][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3477.537714][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.537714][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.537714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.537714][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3477.537714][ T72] ipv6_add_addr+0x411/0x2000 [ 3477.537714][ T72] inet6_addr_add+0x30e/0xa40 [ 3477.537714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.537714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.537714][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.537714][ T72] netlink_unicast+0x449/0x710 [ 3477.537714][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.537714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.537714][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.537714][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.537714][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.537714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.537714][ T72] [ 3477.539938][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3477.539938][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.539938][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.539938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.539938][ T72] ip6_route_add+0x1c/0x140 [ 3477.539938][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3477.539938][ T72] addrconf_add_dev+0xe2/0x170 [ 3477.539938][ T72] inet6_addr_add+0x12f/0xa40 [ 3477.539938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.539938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.539938][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.539938][ T72] netlink_unicast+0x449/0x710 [ 3477.539938][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.539938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.539938][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.539938][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.539938][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.539938][ T72] [ 3477.542224][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3477.542224][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3477.542224][ T72] ipv6_find_idev+0x102/0x170 [ 3477.542224][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.542224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.542224][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.542224][ T72] netlink_unicast+0x449/0x710 [ 3477.542224][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.542224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.542224][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.542224][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.542224][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.542224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.542224][ T72] [ 3477.543930][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3477.543930][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3477.543930][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3477.543930][ T72] ipv6_find_idev+0x102/0x170 [ 3477.543930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.543930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.543930][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.543930][ T72] netlink_unicast+0x449/0x710 [ 3477.543930][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.543930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.543930][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.543930][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.543930][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.543930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.543930][ T72] [ 3477.545816][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3477.546144][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3477.546144][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.546144][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.546144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.546144][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3477.546144][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3477.546144][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3477.546144][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3477.546144][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3477.546144][ T72] addrconf_dad_begin+0x310/0x670 [ 3477.546144][ T72] addrconf_dad_work+0x10b/0xab0 [ 3477.546144][ T72] process_one_work+0x84d/0x18a0 [ 3477.546144][ T72] worker_thread+0x587/0xd30 [ 3477.546144][ T72] kthread+0x28a/0x350 [ 3477.546144][ T72] ret_from_fork+0x31/0x70 [ 3477.546144][ T72] ret_from_fork_asm+0x1a/0x30 [ 3477.546144][ T72] [ 3477.548226][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3477.548226][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.548226][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.548226][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.548226][ T72] ip6_route_add+0x1c/0x140 [ 3477.548226][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3477.548226][ T72] inet6_addr_add+0x4f8/0xa40 [ 3477.548226][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.548226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.548226][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.548226][ T72] netlink_unicast+0x449/0x710 [ 3477.548226][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.548226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.548226][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.548226][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.548226][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.548226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.548226][ T72] [ 3477.550445][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3477.550445][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.550445][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.550445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.550445][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3477.550445][ T72] ipv6_add_addr+0x411/0x2000 [ 3477.550445][ T72] inet6_addr_add+0x30e/0xa40 [ 3477.550445][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.550445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.550445][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.550445][ T72] netlink_unicast+0x449/0x710 [ 3477.550445][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.550445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.550445][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.550445][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.550445][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.550445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.550445][ T72] [ 3477.552719][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3477.552719][ T72] netdev_get_by_index+0x5e/0x80 [ 3477.552719][ T72] fib6_nh_init+0x3d8/0x1580 [ 3477.552719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3477.552719][ T72] ip6_route_add+0x1c/0x140 [ 3477.552719][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3477.552719][ T72] addrconf_add_dev+0xe2/0x170 [ 3477.552719][ T72] inet6_addr_add+0x12f/0xa40 [ 3477.552719][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.552719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.552719][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.552719][ T72] netlink_unicast+0x449/0x710 [ 3477.552719][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.552719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.552719][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.552719][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.552719][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.552719][ T72] [ 3477.554843][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3477.554843][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3477.554843][ T72] ipv6_find_idev+0x102/0x170 [ 3477.554843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.554843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.554843][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.554843][ T72] netlink_unicast+0x449/0x710 [ 3477.554843][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.554843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.554843][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.554843][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.554843][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.554843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.554843][ T72] [ 3477.556501][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3477.556501][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3477.556501][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3477.556501][ T72] ipv6_find_idev+0x102/0x170 [ 3477.556501][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.556501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.556501][ T72] netlink_rcv_skb+0x130/0x360 [ 3477.556501][ T72] netlink_unicast+0x449/0x710 [ 3477.556501][ T72] netlink_sendmsg+0x723/0xbe0 [ 3477.556501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3477.556501][ T72] ___sys_sendmsg+0xee/0x170 [ 3477.556501][ T72] __sys_sendmsg+0xcd/0x170 [ 3477.556501][ T72] do_syscall_64+0xc6/0x1e0 [ 3477.556501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.556501][ T72] [ 3487.665012][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3487.665651][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3487.665651][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3487.665651][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3487.665651][ T72] fib6_nh_init+0xa22/0x1580 [ 3487.665651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.665651][ T72] ip6_route_add+0x1c/0x140 [ 3487.665651][ T72] inet6_rtm_newroute+0x104/0x110 [ 3487.665651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.665651][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.665651][ T72] netlink_unicast+0x449/0x710 [ 3487.665651][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.665651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.665651][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.665651][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.665651][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.665651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.665651][ T72] [ 3487.667500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3487.667500][ T72] dst_init+0x84/0x4a0 [ 3487.667500][ T72] dst_alloc+0x97/0x150 [ 3487.667500][ T72] ip6_dst_alloc+0x23/0x90 [ 3487.667500][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3487.667500][ T72] ip6_pol_route+0x56f/0x840 [ 3487.667500][ T72] fib6_rule_lookup+0x456/0x630 [ 3487.667500][ T72] ip6_route_input+0x59c/0xa50 [ 3487.667500][ T72] ipv6_rcv+0x397/0x810 [ 3487.667500][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3487.667500][ T72] process_backlog+0x101/0x620 [ 3487.667500][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3487.667500][ T72] net_rx_action+0x495/0xbe0 [ 3487.667500][ T72] __do_softirq+0x1b5/0x7f6 [ 3487.667500][ T72] [ 3487.669135][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3487.669135][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.669135][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.669135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.669135][ T72] ip6_route_add+0x1c/0x140 [ 3487.669135][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3487.669135][ T72] inet6_addr_add+0x4f8/0xa40 [ 3487.669135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.669135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.669135][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.669135][ T72] netlink_unicast+0x449/0x710 [ 3487.669135][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.669135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.669135][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.669135][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.669135][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.669135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.669135][ T72] [ 3487.671146][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3487.671146][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.671146][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.671146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.671146][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3487.671146][ T72] ipv6_add_addr+0x411/0x2000 [ 3487.671146][ T72] inet6_addr_add+0x30e/0xa40 [ 3487.671146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.671146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.671146][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.671146][ T72] netlink_unicast+0x449/0x710 [ 3487.671146][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.671146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.671146][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.671146][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.671146][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.671146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.671146][ T72] [ 3487.673172][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3487.673172][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.673172][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.673172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.673172][ T72] ip6_route_add+0x1c/0x140 [ 3487.673172][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3487.673172][ T72] addrconf_add_dev+0xe2/0x170 [ 3487.673172][ T72] inet6_addr_add+0x12f/0xa40 [ 3487.673172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.673172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.673172][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.673172][ T72] netlink_unicast+0x449/0x710 [ 3487.673172][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.673172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.673172][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.673172][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.673172][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.673172][ T72] [ 3487.675141][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3487.675141][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3487.675141][ T72] ipv6_find_idev+0x102/0x170 [ 3487.675141][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.675141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.675141][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.675141][ T72] netlink_unicast+0x449/0x710 [ 3487.675141][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.675141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.675141][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.675141][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.675141][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.675141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.675141][ T72] [ 3487.676797][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3487.676797][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3487.676797][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3487.676797][ T72] ipv6_find_idev+0x102/0x170 [ 3487.676797][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.676797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.676797][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.676797][ T72] netlink_unicast+0x449/0x710 [ 3487.676797][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.676797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.676797][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.676797][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.676797][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.676797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.676797][ T72] [ 3487.678496][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3487.678774][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3487.678774][ T72] dst_init+0x84/0x4a0 [ 3487.678774][ T72] dst_alloc+0x97/0x150 [ 3487.678774][ T72] ip6_dst_alloc+0x23/0x90 [ 3487.678774][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3487.678774][ T72] ip6_pol_route+0x56f/0x840 [ 3487.678774][ T72] fib6_rule_lookup+0x456/0x630 [ 3487.678774][ T72] ip6_route_input+0x59c/0xa50 [ 3487.678774][ T72] ipv6_rcv+0x397/0x810 [ 3487.678774][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3487.678774][ T72] process_backlog+0x101/0x620 [ 3487.678774][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3487.678774][ T72] net_rx_action+0x495/0xbe0 [ 3487.678774][ T72] __do_softirq+0x1b5/0x7f6 [ 3487.678774][ T72] [ 3487.680416][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3487.680416][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.680416][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.680416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.680416][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3487.680416][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3487.680416][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3487.680416][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3487.680416][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3487.680416][ T72] addrconf_dad_begin+0x310/0x670 [ 3487.680416][ T72] addrconf_dad_work+0x10b/0xab0 [ 3487.680416][ T72] process_one_work+0x84d/0x18a0 [ 3487.680416][ T72] worker_thread+0x587/0xd30 [ 3487.680416][ T72] kthread+0x28a/0x350 [ 3487.680416][ T72] ret_from_fork+0x31/0x70 [ 3487.680416][ T72] ret_from_fork_asm+0x1a/0x30 [ 3487.680416][ T72] [ 3487.682339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3487.682339][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.682339][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.682339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.682339][ T72] ip6_route_add+0x1c/0x140 [ 3487.682339][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3487.682339][ T72] inet6_addr_add+0x4f8/0xa40 [ 3487.682339][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.682339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.682339][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.682339][ T72] netlink_unicast+0x449/0x710 [ 3487.682339][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.682339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.682339][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.682339][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.682339][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.682339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.682339][ T72] [ 3487.684318][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3487.684318][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.684318][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.684318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.684318][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3487.684318][ T72] ipv6_add_addr+0x411/0x2000 [ 3487.684318][ T72] inet6_addr_add+0x30e/0xa40 [ 3487.684318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.684318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.684318][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.684318][ T72] netlink_unicast+0x449/0x710 [ 3487.684318][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.684318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.684318][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.684318][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.684318][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.684318][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.684318][ T72] [ 3487.686302][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3487.686302][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.686302][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.686302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.686302][ T72] ip6_route_add+0x1c/0x140 [ 3487.686302][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3487.686302][ T72] addrconf_add_dev+0xe2/0x170 [ 3487.686302][ T72] inet6_addr_add+0x12f/0xa40 [ 3487.686302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.686302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.686302][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.686302][ T72] netlink_unicast+0x449/0x710 [ 3487.686302][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.686302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.686302][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.686302][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.686302][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.686302][ T72] [ 3487.688248][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3487.688248][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3487.688248][ T72] ipv6_find_idev+0x102/0x170 [ 3487.688248][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.688248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.688248][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.688248][ T72] netlink_unicast+0x449/0x710 [ 3487.688248][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.688248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.688248][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.688248][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.688248][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.688248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.688248][ T72] [ 3487.689773][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3487.689773][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3487.689773][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3487.689773][ T72] ipv6_find_idev+0x102/0x170 [ 3487.689773][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.689773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.689773][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.689773][ T72] netlink_unicast+0x449/0x710 [ 3487.689773][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.689773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.689773][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.689773][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.689773][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.689773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.689773][ T72] [ 3487.691513][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3487.691887][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3487.691887][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3487.691887][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3487.691887][ T72] fib6_nh_init+0xa22/0x1580 [ 3487.691887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.691887][ T72] ip6_route_add+0x1c/0x140 [ 3487.691887][ T72] inet6_rtm_newroute+0x104/0x110 [ 3487.691887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.691887][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.691887][ T72] netlink_unicast+0x449/0x710 [ 3487.691887][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.691887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.691887][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.691887][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.691887][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.691887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.691887][ T72] [ 3487.693923][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3487.693923][ T72] dst_init+0x84/0x4a0 [ 3487.693923][ T72] dst_alloc+0x97/0x150 [ 3487.693923][ T72] ip6_dst_alloc+0x23/0x90 [ 3487.693923][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3487.693923][ T72] ip6_pol_route+0x56f/0x840 [ 3487.693923][ T72] fib6_rule_lookup+0x456/0x630 [ 3487.693923][ T72] ip6_route_input+0x59c/0xa50 [ 3487.693923][ T72] ipv6_rcv+0x397/0x810 [ 3487.693923][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3487.693923][ T72] process_backlog+0x101/0x620 [ 3487.693923][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3487.693923][ T72] net_rx_action+0x495/0xbe0 [ 3487.693923][ T72] __do_softirq+0x1b5/0x7f6 [ 3487.693923][ T72] [ 3487.695780][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3487.695780][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.695780][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.695780][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.695780][ T72] ip6_route_add+0x1c/0x140 [ 3487.695780][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3487.695780][ T72] inet6_addr_add+0x4f8/0xa40 [ 3487.695780][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.695780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.695780][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.695780][ T72] netlink_unicast+0x449/0x710 [ 3487.695780][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.695780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.695780][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.695780][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.695780][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.695780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.695780][ T72] [ 3487.697950][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3487.697950][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.697950][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.697950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.697950][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3487.697950][ T72] ipv6_add_addr+0x411/0x2000 [ 3487.697950][ T72] inet6_addr_add+0x30e/0xa40 [ 3487.697950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.697950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.697950][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.697950][ T72] netlink_unicast+0x449/0x710 [ 3487.697950][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.697950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.697950][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.697950][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.697950][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.697950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.697950][ T72] [ 3487.700174][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3487.700174][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.700174][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.700174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.700174][ T72] ip6_route_add+0x1c/0x140 [ 3487.700174][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3487.700174][ T72] addrconf_add_dev+0xe2/0x170 [ 3487.700174][ T72] inet6_addr_add+0x12f/0xa40 [ 3487.700174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.700174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.700174][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.700174][ T72] netlink_unicast+0x449/0x710 [ 3487.700174][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.700174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.700174][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.700174][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.700174][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.700174][ T72] [ 3487.702425][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3487.702425][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3487.702425][ T72] ipv6_find_idev+0x102/0x170 [ 3487.702425][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.702425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.702425][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.702425][ T72] netlink_unicast+0x449/0x710 [ 3487.702425][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.702425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.702425][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.702425][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.702425][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.702425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.702425][ T72] [ 3487.704127][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3487.704127][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3487.704127][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3487.704127][ T72] ipv6_find_idev+0x102/0x170 [ 3487.704127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.704127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.704127][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.704127][ T72] netlink_unicast+0x449/0x710 [ 3487.704127][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.704127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.704127][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.704127][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.704127][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.704127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.704127][ T72] [ 3487.705975][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3487.706303][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3487.706303][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.706303][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.706303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.706303][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3487.706303][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3487.706303][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3487.706303][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3487.706303][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3487.706303][ T72] addrconf_dad_begin+0x310/0x670 [ 3487.706303][ T72] addrconf_dad_work+0x10b/0xab0 [ 3487.706303][ T72] process_one_work+0x84d/0x18a0 [ 3487.706303][ T72] worker_thread+0x587/0xd30 [ 3487.706303][ T72] kthread+0x28a/0x350 [ 3487.706303][ T72] ret_from_fork+0x31/0x70 [ 3487.706303][ T72] ret_from_fork_asm+0x1a/0x30 [ 3487.706303][ T72] [ 3487.708410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3487.708410][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.708410][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.708410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.708410][ T72] ip6_route_add+0x1c/0x140 [ 3487.708410][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3487.708410][ T72] inet6_addr_add+0x4f8/0xa40 [ 3487.708410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.708410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.708410][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.708410][ T72] netlink_unicast+0x449/0x710 [ 3487.708410][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.708410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.708410][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.708410][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.708410][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.708410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.708410][ T72] [ 3487.710632][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3487.710632][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.710632][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.710632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.710632][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3487.710632][ T72] ipv6_add_addr+0x411/0x2000 [ 3487.710632][ T72] inet6_addr_add+0x30e/0xa40 [ 3487.710632][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.710632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.710632][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.710632][ T72] netlink_unicast+0x449/0x710 [ 3487.710632][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.710632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.710632][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.710632][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.710632][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.710632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.710632][ T72] [ 3487.712933][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3487.712933][ T72] netdev_get_by_index+0x5e/0x80 [ 3487.712933][ T72] fib6_nh_init+0x3d8/0x1580 [ 3487.712933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3487.712933][ T72] ip6_route_add+0x1c/0x140 [ 3487.712933][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3487.712933][ T72] addrconf_add_dev+0xe2/0x170 [ 3487.712933][ T72] inet6_addr_add+0x12f/0xa40 [ 3487.712933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.712933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.712933][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.712933][ T72] netlink_unicast+0x449/0x710 [ 3487.712933][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.712933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.712933][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.712933][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.712933][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.712933][ T72] [ 3487.715149][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3487.715149][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3487.715149][ T72] ipv6_find_idev+0x102/0x170 [ 3487.715149][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.715149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.715149][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.715149][ T72] netlink_unicast+0x449/0x710 [ 3487.715149][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.715149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.715149][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.715149][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.715149][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.715149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.715149][ T72] [ 3487.716829][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3487.716829][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3487.716829][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3487.716829][ T72] ipv6_find_idev+0x102/0x170 [ 3487.716829][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.716829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.716829][ T72] netlink_rcv_skb+0x130/0x360 [ 3487.716829][ T72] netlink_unicast+0x449/0x710 [ 3487.716829][ T72] netlink_sendmsg+0x723/0xbe0 [ 3487.716829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3487.716829][ T72] ___sys_sendmsg+0xee/0x170 [ 3487.716829][ T72] __sys_sendmsg+0xcd/0x170 [ 3487.716829][ T72] do_syscall_64+0xc6/0x1e0 [ 3487.716829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.716829][ T72] [ 3497.968924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3497.969868][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3497.969868][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3497.969868][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3497.969868][ T72] fib6_nh_init+0xa22/0x1580 [ 3497.969868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.969868][ T72] ip6_route_add+0x1c/0x140 [ 3497.969868][ T72] inet6_rtm_newroute+0x104/0x110 [ 3497.969868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.969868][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.969868][ T72] netlink_unicast+0x449/0x710 [ 3497.969868][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.969868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.969868][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.969868][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.969868][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.969868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.969868][ T72] [ 3497.971778][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3497.971778][ T72] dst_init+0x84/0x4a0 [ 3497.971778][ T72] dst_alloc+0x97/0x150 [ 3497.971778][ T72] ip6_dst_alloc+0x23/0x90 [ 3497.971778][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3497.971778][ T72] ip6_pol_route+0x56f/0x840 [ 3497.971778][ T72] fib6_rule_lookup+0x456/0x630 [ 3497.971778][ T72] ip6_route_input+0x59c/0xa50 [ 3497.971778][ T72] ipv6_rcv+0x397/0x810 [ 3497.971778][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3497.971778][ T72] process_backlog+0x101/0x620 [ 3497.971778][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3497.971778][ T72] net_rx_action+0x495/0xbe0 [ 3497.971778][ T72] __do_softirq+0x1b5/0x7f6 [ 3497.971778][ T72] [ 3497.973409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3497.973409][ T72] netdev_get_by_index+0x5e/0x80 [ 3497.973409][ T72] fib6_nh_init+0x3d8/0x1580 [ 3497.973409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.973409][ T72] ip6_route_add+0x1c/0x140 [ 3497.973409][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3497.973409][ T72] inet6_addr_add+0x4f8/0xa40 [ 3497.973409][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.973409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.973409][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.973409][ T72] netlink_unicast+0x449/0x710 [ 3497.973409][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.973409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.973409][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.973409][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.973409][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.973409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.973409][ T72] [ 3497.975406][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3497.975406][ T72] netdev_get_by_index+0x5e/0x80 [ 3497.975406][ T72] fib6_nh_init+0x3d8/0x1580 [ 3497.975406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.975406][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3497.975406][ T72] ipv6_add_addr+0x411/0x2000 [ 3497.975406][ T72] inet6_addr_add+0x30e/0xa40 [ 3497.975406][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.975406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.975406][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.975406][ T72] netlink_unicast+0x449/0x710 [ 3497.975406][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.975406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.975406][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.975406][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.975406][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.975406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.975406][ T72] [ 3497.977362][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3497.977362][ T72] netdev_get_by_index+0x5e/0x80 [ 3497.977362][ T72] fib6_nh_init+0x3d8/0x1580 [ 3497.977362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.977362][ T72] ip6_route_add+0x1c/0x140 [ 3497.977362][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3497.977362][ T72] addrconf_add_dev+0xe2/0x170 [ 3497.977362][ T72] inet6_addr_add+0x12f/0xa40 [ 3497.977362][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.977362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.977362][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.977362][ T72] netlink_unicast+0x449/0x710 [ 3497.977362][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.977362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.977362][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.977362][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.977362][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.977362][ T72] [ 3497.979300][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3497.979300][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3497.979300][ T72] ipv6_find_idev+0x102/0x170 [ 3497.979300][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.979300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.979300][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.979300][ T72] netlink_unicast+0x449/0x710 [ 3497.979300][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.979300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.979300][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.979300][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.979300][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.979300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.979300][ T72] [ 3497.980805][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3497.980805][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3497.980805][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3497.980805][ T72] ipv6_find_idev+0x102/0x170 [ 3497.980805][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.980805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.980805][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.980805][ T72] netlink_unicast+0x449/0x710 [ 3497.980805][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.980805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.980805][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.980805][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.980805][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.980805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.980805][ T72] [ 3497.982531][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3497.982819][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3497.982819][ T72] dst_init+0x84/0x4a0 [ 3497.982819][ T72] dst_alloc+0x97/0x150 [ 3497.982819][ T72] ip6_dst_alloc+0x23/0x90 [ 3497.982819][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3497.982819][ T72] ip6_pol_route+0x56f/0x840 [ 3497.982819][ T72] fib6_rule_lookup+0x456/0x630 [ 3497.982819][ T72] ip6_route_input+0x59c/0xa50 [ 3497.982819][ T72] ipv6_rcv+0x397/0x810 [ 3497.982819][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3497.982819][ T72] process_backlog+0x101/0x620 [ 3497.982819][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3497.982819][ T72] net_rx_action+0x495/0xbe0 [ 3497.982819][ T72] __do_softirq+0x1b5/0x7f6 [ 3497.982819][ T72] [ 3497.984441][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3497.984441][ T72] netdev_get_by_index+0x5e/0x80 [ 3497.984441][ T72] fib6_nh_init+0x3d8/0x1580 [ 3497.984441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.984441][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3497.984441][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3497.984441][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3497.984441][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3497.984441][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3497.984441][ T72] addrconf_dad_begin+0x310/0x670 [ 3497.984441][ T72] addrconf_dad_work+0x10b/0xab0 [ 3497.984441][ T72] process_one_work+0x84d/0x18a0 [ 3497.984441][ T72] worker_thread+0x587/0xd30 [ 3497.984441][ T72] kthread+0x28a/0x350 [ 3497.984441][ T72] ret_from_fork+0x31/0x70 [ 3497.984441][ T72] ret_from_fork_asm+0x1a/0x30 [ 3497.984441][ T72] [ 3497.986356][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3497.986356][ T72] netdev_get_by_index+0x5e/0x80 [ 3497.986356][ T72] fib6_nh_init+0x3d8/0x1580 [ 3497.986356][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.986356][ T72] ip6_route_add+0x1c/0x140 [ 3497.986356][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3497.986356][ T72] inet6_addr_add+0x4f8/0xa40 [ 3497.986356][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.986356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.986356][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.986356][ T72] netlink_unicast+0x449/0x710 [ 3497.986356][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.986356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.986356][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.986356][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.986356][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.986356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.986356][ T72] [ 3497.988326][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3497.988326][ T72] netdev_get_by_index+0x5e/0x80 [ 3497.988326][ T72] fib6_nh_init+0x3d8/0x1580 [ 3497.988326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.988326][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3497.988326][ T72] ipv6_add_addr+0x411/0x2000 [ 3497.988326][ T72] inet6_addr_add+0x30e/0xa40 [ 3497.988326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.988326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.988326][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.988326][ T72] netlink_unicast+0x449/0x710 [ 3497.988326][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.988326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.988326][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.988326][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.988326][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.988326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.988326][ T72] [ 3497.990304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3497.990304][ T72] netdev_get_by_index+0x5e/0x80 [ 3497.990304][ T72] fib6_nh_init+0x3d8/0x1580 [ 3497.990304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.990304][ T72] ip6_route_add+0x1c/0x140 [ 3497.990304][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3497.990304][ T72] addrconf_add_dev+0xe2/0x170 [ 3497.990304][ T72] inet6_addr_add+0x12f/0xa40 [ 3497.990304][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.990304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.990304][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.990304][ T72] netlink_unicast+0x449/0x710 [ 3497.990304][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.990304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.990304][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.990304][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.990304][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.990304][ T72] [ 3497.992239][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3497.992239][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3497.992239][ T72] ipv6_find_idev+0x102/0x170 [ 3497.992239][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.992239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.992239][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.992239][ T72] netlink_unicast+0x449/0x710 [ 3497.992239][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.992239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.992239][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.992239][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.992239][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.992239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.992239][ T72] [ 3497.993750][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3497.993750][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3497.993750][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3497.993750][ T72] ipv6_find_idev+0x102/0x170 [ 3497.993750][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.993750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.993750][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.993750][ T72] netlink_unicast+0x449/0x710 [ 3497.993750][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.993750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.993750][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.993750][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.993750][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.993750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.993750][ T72] [ 3497.995473][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3497.995805][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3497.995805][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3497.995805][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3497.995805][ T72] fib6_nh_init+0xa22/0x1580 [ 3497.995805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.995805][ T72] ip6_route_add+0x1c/0x140 [ 3497.995805][ T72] inet6_rtm_newroute+0x104/0x110 [ 3497.995805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.995805][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.995805][ T72] netlink_unicast+0x449/0x710 [ 3497.995805][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.995805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.995805][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.995805][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.995805][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.995805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.995805][ T72] [ 3497.997840][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3497.997840][ T72] dst_init+0x84/0x4a0 [ 3497.997840][ T72] dst_alloc+0x97/0x150 [ 3497.997840][ T72] ip6_dst_alloc+0x23/0x90 [ 3497.997840][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3497.997840][ T72] ip6_pol_route+0x56f/0x840 [ 3497.997840][ T72] fib6_rule_lookup+0x456/0x630 [ 3497.997840][ T72] ip6_route_input+0x59c/0xa50 [ 3497.997840][ T72] ipv6_rcv+0x397/0x810 [ 3497.997840][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3497.997840][ T72] process_backlog+0x101/0x620 [ 3497.997840][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3497.997840][ T72] net_rx_action+0x495/0xbe0 [ 3497.997840][ T72] __do_softirq+0x1b5/0x7f6 [ 3497.997840][ T72] [ 3497.999680][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3497.999680][ T72] netdev_get_by_index+0x5e/0x80 [ 3497.999680][ T72] fib6_nh_init+0x3d8/0x1580 [ 3497.999680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3497.999680][ T72] ip6_route_add+0x1c/0x140 [ 3497.999680][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3497.999680][ T72] inet6_addr_add+0x4f8/0xa40 [ 3497.999680][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.999680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.999680][ T72] netlink_rcv_skb+0x130/0x360 [ 3497.999680][ T72] netlink_unicast+0x449/0x710 [ 3497.999680][ T72] netlink_sendmsg+0x723/0xbe0 [ 3497.999680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3497.999680][ T72] ___sys_sendmsg+0xee/0x170 [ 3497.999680][ T72] __sys_sendmsg+0xcd/0x170 [ 3497.999680][ T72] do_syscall_64+0xc6/0x1e0 [ 3497.999680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.999680][ T72] [ 3498.001848][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3498.001848][ T72] netdev_get_by_index+0x5e/0x80 [ 3498.001848][ T72] fib6_nh_init+0x3d8/0x1580 [ 3498.001848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3498.001848][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3498.001848][ T72] ipv6_add_addr+0x411/0x2000 [ 3498.001848][ T72] inet6_addr_add+0x30e/0xa40 [ 3498.001848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.001848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.001848][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.001848][ T72] netlink_unicast+0x449/0x710 [ 3498.001848][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.001848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.001848][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.001848][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.001848][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.001848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.001848][ T72] [ 3498.004088][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3498.004088][ T72] netdev_get_by_index+0x5e/0x80 [ 3498.004088][ T72] fib6_nh_init+0x3d8/0x1580 [ 3498.004088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3498.004088][ T72] ip6_route_add+0x1c/0x140 [ 3498.004088][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3498.004088][ T72] addrconf_add_dev+0xe2/0x170 [ 3498.004088][ T72] inet6_addr_add+0x12f/0xa40 [ 3498.004088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.004088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.004088][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.004088][ T72] netlink_unicast+0x449/0x710 [ 3498.004088][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.004088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.004088][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.004088][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.004088][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.004088][ T72] [ 3498.006333][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3498.006333][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3498.006333][ T72] ipv6_find_idev+0x102/0x170 [ 3498.006333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3498.006333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.006333][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.006333][ T72] netlink_unicast+0x449/0x710 [ 3498.006333][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.006333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.006333][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.006333][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.006333][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.006333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.006333][ T72] [ 3498.008058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3498.008058][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3498.008058][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3498.008058][ T72] ipv6_find_idev+0x102/0x170 [ 3498.008058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3498.008058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.008058][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.008058][ T72] netlink_unicast+0x449/0x710 [ 3498.008058][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.008058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.008058][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.008058][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.008058][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.008058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.008058][ T72] [ 3498.009932][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3498.010280][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3498.010280][ T72] netdev_get_by_index+0x5e/0x80 [ 3498.010280][ T72] fib6_nh_init+0x3d8/0x1580 [ 3498.010280][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3498.010280][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3498.010280][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3498.010280][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3498.010280][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3498.010280][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3498.010280][ T72] addrconf_dad_begin+0x310/0x670 [ 3498.010280][ T72] addrconf_dad_work+0x10b/0xab0 [ 3498.010280][ T72] process_one_work+0x84d/0x18a0 [ 3498.010280][ T72] worker_thread+0x587/0xd30 [ 3498.010280][ T72] kthread+0x28a/0x350 [ 3498.010280][ T72] ret_from_fork+0x31/0x70 [ 3498.010280][ T72] ret_from_fork_asm+0x1a/0x30 [ 3498.010280][ T72] [ 3498.012363][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3498.012363][ T72] netdev_get_by_index+0x5e/0x80 [ 3498.012363][ T72] fib6_nh_init+0x3d8/0x1580 [ 3498.012363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3498.012363][ T72] ip6_route_add+0x1c/0x140 [ 3498.012363][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3498.012363][ T72] inet6_addr_add+0x4f8/0xa40 [ 3498.012363][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.012363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.012363][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.012363][ T72] netlink_unicast+0x449/0x710 [ 3498.012363][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.012363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.012363][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.012363][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.012363][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.012363][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.012363][ T72] [ 3498.014582][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3498.014582][ T72] netdev_get_by_index+0x5e/0x80 [ 3498.014582][ T72] fib6_nh_init+0x3d8/0x1580 [ 3498.014582][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3498.014582][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3498.014582][ T72] ipv6_add_addr+0x411/0x2000 [ 3498.014582][ T72] inet6_addr_add+0x30e/0xa40 [ 3498.014582][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.014582][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.014582][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.014582][ T72] netlink_unicast+0x449/0x710 [ 3498.014582][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.014582][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.014582][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.014582][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.014582][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.014582][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.014582][ T72] [ 3498.016869][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3498.016869][ T72] netdev_get_by_index+0x5e/0x80 [ 3498.016869][ T72] fib6_nh_init+0x3d8/0x1580 [ 3498.016869][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3498.016869][ T72] ip6_route_add+0x1c/0x140 [ 3498.016869][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3498.016869][ T72] addrconf_add_dev+0xe2/0x170 [ 3498.016869][ T72] inet6_addr_add+0x12f/0xa40 [ 3498.016869][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.016869][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.016869][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.016869][ T72] netlink_unicast+0x449/0x710 [ 3498.016869][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.016869][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.016869][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.016869][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.016869][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.016869][ T72] [ 3498.019045][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3498.019045][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3498.019045][ T72] ipv6_find_idev+0x102/0x170 [ 3498.019045][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3498.019045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.019045][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.019045][ T72] netlink_unicast+0x449/0x710 [ 3498.019045][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.019045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.019045][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.019045][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.019045][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.019045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.019045][ T72] [ 3498.020762][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3498.020762][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3498.020762][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3498.020762][ T72] ipv6_find_idev+0x102/0x170 [ 3498.020762][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3498.020762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.020762][ T72] netlink_rcv_skb+0x130/0x360 [ 3498.020762][ T72] netlink_unicast+0x449/0x710 [ 3498.020762][ T72] netlink_sendmsg+0x723/0xbe0 [ 3498.020762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3498.020762][ T72] ___sys_sendmsg+0xee/0x170 [ 3498.020762][ T72] __sys_sendmsg+0xcd/0x170 [ 3498.020762][ T72] do_syscall_64+0xc6/0x1e0 [ 3498.020762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.020762][ T72] [ 3508.168980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3508.169514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3508.169514][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3508.169514][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3508.169514][ T72] fib6_nh_init+0xa22/0x1580 [ 3508.169514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.169514][ T72] ip6_route_add+0x1c/0x140 [ 3508.169514][ T72] inet6_rtm_newroute+0x104/0x110 [ 3508.169514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.169514][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.169514][ T72] netlink_unicast+0x449/0x710 [ 3508.169514][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.169514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.169514][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.169514][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.169514][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.169514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.169514][ T72] [ 3508.171366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3508.171366][ T72] dst_init+0x84/0x4a0 [ 3508.171366][ T72] dst_alloc+0x97/0x150 [ 3508.171366][ T72] ip6_dst_alloc+0x23/0x90 [ 3508.171366][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3508.171366][ T72] ip6_pol_route+0x56f/0x840 [ 3508.171366][ T72] fib6_rule_lookup+0x456/0x630 [ 3508.171366][ T72] ip6_route_input+0x59c/0xa50 [ 3508.171366][ T72] ipv6_rcv+0x397/0x810 [ 3508.171366][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3508.171366][ T72] process_backlog+0x101/0x620 [ 3508.171366][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3508.171366][ T72] net_rx_action+0x495/0xbe0 [ 3508.171366][ T72] __do_softirq+0x1b5/0x7f6 [ 3508.171366][ T72] [ 3508.172997][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3508.172997][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.172997][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.172997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.172997][ T72] ip6_route_add+0x1c/0x140 [ 3508.172997][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3508.172997][ T72] inet6_addr_add+0x4f8/0xa40 [ 3508.172997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.172997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.172997][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.172997][ T72] netlink_unicast+0x449/0x710 [ 3508.172997][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.172997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.172997][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.172997][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.172997][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.172997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.172997][ T72] [ 3508.175009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3508.175009][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.175009][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.175009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.175009][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3508.175009][ T72] ipv6_add_addr+0x411/0x2000 [ 3508.175009][ T72] inet6_addr_add+0x30e/0xa40 [ 3508.175009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.175009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.175009][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.175009][ T72] netlink_unicast+0x449/0x710 [ 3508.175009][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.175009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.175009][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.175009][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.175009][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.175009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.175009][ T72] [ 3508.177023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3508.177023][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.177023][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.177023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.177023][ T72] ip6_route_add+0x1c/0x140 [ 3508.177023][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3508.177023][ T72] addrconf_add_dev+0xe2/0x170 [ 3508.177023][ T72] inet6_addr_add+0x12f/0xa40 [ 3508.177023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.177023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.177023][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.177023][ T72] netlink_unicast+0x449/0x710 [ 3508.177023][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.177023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.177023][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.177023][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.177023][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.177023][ T72] [ 3508.178964][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3508.178964][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3508.178964][ T72] ipv6_find_idev+0x102/0x170 [ 3508.178964][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.178964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.178964][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.178964][ T72] netlink_unicast+0x449/0x710 [ 3508.178964][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.178964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.178964][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.178964][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.178964][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.178964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.178964][ T72] [ 3508.180465][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3508.180465][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3508.180465][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3508.180465][ T72] ipv6_find_idev+0x102/0x170 [ 3508.180465][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.180465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.180465][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.180465][ T72] netlink_unicast+0x449/0x710 [ 3508.180465][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.180465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.180465][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.180465][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.180465][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.180465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.180465][ T72] [ 3508.182166][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3508.182439][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3508.182439][ T72] dst_init+0x84/0x4a0 [ 3508.182439][ T72] dst_alloc+0x97/0x150 [ 3508.182439][ T72] ip6_dst_alloc+0x23/0x90 [ 3508.182439][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3508.182439][ T72] ip6_pol_route+0x56f/0x840 [ 3508.182439][ T72] fib6_rule_lookup+0x456/0x630 [ 3508.182439][ T72] ip6_route_input+0x59c/0xa50 [ 3508.182439][ T72] ipv6_rcv+0x397/0x810 [ 3508.182439][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3508.182439][ T72] process_backlog+0x101/0x620 [ 3508.182439][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3508.182439][ T72] net_rx_action+0x495/0xbe0 [ 3508.182439][ T72] __do_softirq+0x1b5/0x7f6 [ 3508.182439][ T72] [ 3508.184059][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3508.184059][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.184059][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.184059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.184059][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3508.184059][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3508.184059][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3508.184059][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3508.184059][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3508.184059][ T72] addrconf_dad_begin+0x310/0x670 [ 3508.184059][ T72] addrconf_dad_work+0x10b/0xab0 [ 3508.184059][ T72] process_one_work+0x84d/0x18a0 [ 3508.184059][ T72] worker_thread+0x587/0xd30 [ 3508.184059][ T72] kthread+0x28a/0x350 [ 3508.184059][ T72] ret_from_fork+0x31/0x70 [ 3508.184059][ T72] ret_from_fork_asm+0x1a/0x30 [ 3508.184059][ T72] [ 3508.185899][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3508.185899][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.185899][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.185899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.185899][ T72] ip6_route_add+0x1c/0x140 [ 3508.185899][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3508.185899][ T72] inet6_addr_add+0x4f8/0xa40 [ 3508.185899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.185899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.185899][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.185899][ T72] netlink_unicast+0x449/0x710 [ 3508.185899][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.185899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.185899][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.185899][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.185899][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.185899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.185899][ T72] [ 3508.187839][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3508.187839][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.187839][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.187839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.187839][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3508.187839][ T72] ipv6_add_addr+0x411/0x2000 [ 3508.187839][ T72] inet6_addr_add+0x30e/0xa40 [ 3508.187839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.187839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.187839][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.187839][ T72] netlink_unicast+0x449/0x710 [ 3508.187839][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.187839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.187839][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.187839][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.187839][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.187839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.187839][ T72] [ 3508.189755][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3508.189755][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.189755][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.189755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.189755][ T72] ip6_route_add+0x1c/0x140 [ 3508.189755][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3508.189755][ T72] addrconf_add_dev+0xe2/0x170 [ 3508.189755][ T72] inet6_addr_add+0x12f/0xa40 [ 3508.189755][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.189755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.189755][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.189755][ T72] netlink_unicast+0x449/0x710 [ 3508.189755][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.189755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.189755][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.189755][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.189755][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.189755][ T72] [ 3508.191645][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3508.191645][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3508.191645][ T72] ipv6_find_idev+0x102/0x170 [ 3508.191645][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.191645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.191645][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.191645][ T72] netlink_unicast+0x449/0x710 [ 3508.191645][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.191645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.191645][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.191645][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.191645][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.191645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.191645][ T72] [ 3508.193183][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3508.193183][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3508.193183][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3508.193183][ T72] ipv6_find_idev+0x102/0x170 [ 3508.193183][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.193183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.193183][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.193183][ T72] netlink_unicast+0x449/0x710 [ 3508.193183][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.193183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.193183][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.193183][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.193183][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.193183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.193183][ T72] [ 3508.194876][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3508.195225][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3508.195225][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3508.195225][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3508.195225][ T72] fib6_nh_init+0xa22/0x1580 [ 3508.195225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.195225][ T72] ip6_route_add+0x1c/0x140 [ 3508.195225][ T72] inet6_rtm_newroute+0x104/0x110 [ 3508.195225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.195225][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.195225][ T72] netlink_unicast+0x449/0x710 [ 3508.195225][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.195225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.195225][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.195225][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.195225][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.195225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.195225][ T72] [ 3508.197240][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3508.197240][ T72] dst_init+0x84/0x4a0 [ 3508.197240][ T72] dst_alloc+0x97/0x150 [ 3508.197240][ T72] ip6_dst_alloc+0x23/0x90 [ 3508.197240][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3508.197240][ T72] ip6_pol_route+0x56f/0x840 [ 3508.197240][ T72] fib6_rule_lookup+0x456/0x630 [ 3508.197240][ T72] ip6_route_input+0x59c/0xa50 [ 3508.197240][ T72] ipv6_rcv+0x397/0x810 [ 3508.197240][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3508.197240][ T72] process_backlog+0x101/0x620 [ 3508.197240][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3508.197240][ T72] net_rx_action+0x495/0xbe0 [ 3508.197240][ T72] __do_softirq+0x1b5/0x7f6 [ 3508.197240][ T72] [ 3508.199620][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3508.199620][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.199620][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.199620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.199620][ T72] ip6_route_add+0x1c/0x140 [ 3508.199620][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3508.199620][ T72] inet6_addr_add+0x4f8/0xa40 [ 3508.199620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.199620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.199620][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.199620][ T72] netlink_unicast+0x449/0x710 [ 3508.199620][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.199620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.199620][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.199620][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.199620][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.199620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.199620][ T72] [ 3508.201777][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3508.201777][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.201777][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.201777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.201777][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3508.201777][ T72] ipv6_add_addr+0x411/0x2000 [ 3508.201777][ T72] inet6_addr_add+0x30e/0xa40 [ 3508.201777][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.201777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.201777][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.201777][ T72] netlink_unicast+0x449/0x710 [ 3508.201777][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.201777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.201777][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.201777][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.201777][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.201777][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.201777][ T72] [ 3508.203988][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3508.203988][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.203988][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.203988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.203988][ T72] ip6_route_add+0x1c/0x140 [ 3508.203988][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3508.203988][ T72] addrconf_add_dev+0xe2/0x170 [ 3508.203988][ T72] inet6_addr_add+0x12f/0xa40 [ 3508.203988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.203988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.203988][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.203988][ T72] netlink_unicast+0x449/0x710 [ 3508.203988][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.203988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.203988][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.203988][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.203988][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.203988][ T72] [ 3508.206240][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3508.206240][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3508.206240][ T72] ipv6_find_idev+0x102/0x170 [ 3508.206240][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.206240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.206240][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.206240][ T72] netlink_unicast+0x449/0x710 [ 3508.206240][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.206240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.206240][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.206240][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.206240][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.206240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.206240][ T72] [ 3508.207978][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3508.207978][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3508.207978][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3508.207978][ T72] ipv6_find_idev+0x102/0x170 [ 3508.207978][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.207978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.207978][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.207978][ T72] netlink_unicast+0x449/0x710 [ 3508.207978][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.207978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.207978][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.207978][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.207978][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.207978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.207978][ T72] [ 3508.209822][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3508.210150][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3508.210150][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.210150][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.210150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.210150][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3508.210150][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3508.210150][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3508.210150][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3508.210150][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3508.210150][ T72] addrconf_dad_begin+0x310/0x670 [ 3508.210150][ T72] addrconf_dad_work+0x10b/0xab0 [ 3508.210150][ T72] process_one_work+0x84d/0x18a0 [ 3508.210150][ T72] worker_thread+0x587/0xd30 [ 3508.210150][ T72] kthread+0x28a/0x350 [ 3508.210150][ T72] ret_from_fork+0x31/0x70 [ 3508.210150][ T72] ret_from_fork_asm+0x1a/0x30 [ 3508.210150][ T72] [ 3508.212241][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3508.212241][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.212241][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.212241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.212241][ T72] ip6_route_add+0x1c/0x140 [ 3508.212241][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3508.212241][ T72] inet6_addr_add+0x4f8/0xa40 [ 3508.212241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.212241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.212241][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.212241][ T72] netlink_unicast+0x449/0x710 [ 3508.212241][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.212241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.212241][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.212241][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.212241][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.212241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.212241][ T72] [ 3508.214483][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3508.214483][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.214483][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.214483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.214483][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3508.214483][ T72] ipv6_add_addr+0x411/0x2000 [ 3508.214483][ T72] inet6_addr_add+0x30e/0xa40 [ 3508.214483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.214483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.214483][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.214483][ T72] netlink_unicast+0x449/0x710 [ 3508.214483][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.214483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.214483][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.214483][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.214483][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.214483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.214483][ T72] [ 3508.216894][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3508.216894][ T72] netdev_get_by_index+0x5e/0x80 [ 3508.216894][ T72] fib6_nh_init+0x3d8/0x1580 [ 3508.216894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3508.216894][ T72] ip6_route_add+0x1c/0x140 [ 3508.216894][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3508.216894][ T72] addrconf_add_dev+0xe2/0x170 [ 3508.216894][ T72] inet6_addr_add+0x12f/0xa40 [ 3508.216894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.216894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.216894][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.216894][ T72] netlink_unicast+0x449/0x710 [ 3508.216894][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.216894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.216894][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.216894][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.216894][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.216894][ T72] [ 3508.219077][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3508.219077][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3508.219077][ T72] ipv6_find_idev+0x102/0x170 [ 3508.219077][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.219077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.219077][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.219077][ T72] netlink_unicast+0x449/0x710 [ 3508.219077][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.219077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.219077][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.219077][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.219077][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.219077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.219077][ T72] [ 3508.221156][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3508.221156][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3508.221156][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3508.221156][ T72] ipv6_find_idev+0x102/0x170 [ 3508.221156][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.221156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.221156][ T72] netlink_rcv_skb+0x130/0x360 [ 3508.221156][ T72] netlink_unicast+0x449/0x710 [ 3508.221156][ T72] netlink_sendmsg+0x723/0xbe0 [ 3508.221156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3508.221156][ T72] ___sys_sendmsg+0xee/0x170 [ 3508.221156][ T72] __sys_sendmsg+0xcd/0x170 [ 3508.221156][ T72] do_syscall_64+0xc6/0x1e0 [ 3508.221156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.221156][ T72] [ 3518.352969][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3518.353684][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3518.353684][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3518.353684][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3518.353684][ T72] fib6_nh_init+0xa22/0x1580 [ 3518.353684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.353684][ T72] ip6_route_add+0x1c/0x140 [ 3518.353684][ T72] inet6_rtm_newroute+0x104/0x110 [ 3518.353684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.353684][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.353684][ T72] netlink_unicast+0x449/0x710 [ 3518.353684][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.353684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.353684][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.353684][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.353684][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.353684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.353684][ T72] [ 3518.355535][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3518.355535][ T72] dst_init+0x84/0x4a0 [ 3518.355535][ T72] dst_alloc+0x97/0x150 [ 3518.355535][ T72] ip6_dst_alloc+0x23/0x90 [ 3518.355535][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3518.355535][ T72] ip6_pol_route+0x56f/0x840 [ 3518.355535][ T72] fib6_rule_lookup+0x456/0x630 [ 3518.355535][ T72] ip6_route_input+0x59c/0xa50 [ 3518.355535][ T72] ipv6_rcv+0x397/0x810 [ 3518.355535][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3518.355535][ T72] process_backlog+0x101/0x620 [ 3518.355535][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3518.355535][ T72] net_rx_action+0x495/0xbe0 [ 3518.355535][ T72] __do_softirq+0x1b5/0x7f6 [ 3518.355535][ T72] [ 3518.357132][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3518.357132][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.357132][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.357132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.357132][ T72] ip6_route_add+0x1c/0x140 [ 3518.357132][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3518.357132][ T72] inet6_addr_add+0x4f8/0xa40 [ 3518.357132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.357132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.357132][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.357132][ T72] netlink_unicast+0x449/0x710 [ 3518.357132][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.357132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.357132][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.357132][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.357132][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.357132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.357132][ T72] [ 3518.359118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3518.359118][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.359118][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.359118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.359118][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3518.359118][ T72] ipv6_add_addr+0x411/0x2000 [ 3518.359118][ T72] inet6_addr_add+0x30e/0xa40 [ 3518.359118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.359118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.359118][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.359118][ T72] netlink_unicast+0x449/0x710 [ 3518.359118][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.359118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.359118][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.359118][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.359118][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.359118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.359118][ T72] [ 3518.361166][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3518.361166][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.361166][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.361166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.361166][ T72] ip6_route_add+0x1c/0x140 [ 3518.361166][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3518.361166][ T72] addrconf_add_dev+0xe2/0x170 [ 3518.361166][ T72] inet6_addr_add+0x12f/0xa40 [ 3518.361166][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.361166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.361166][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.361166][ T72] netlink_unicast+0x449/0x710 [ 3518.361166][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.361166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.361166][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.361166][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.361166][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.361166][ T72] [ 3518.363077][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3518.363077][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3518.363077][ T72] ipv6_find_idev+0x102/0x170 [ 3518.363077][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.363077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.363077][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.363077][ T72] netlink_unicast+0x449/0x710 [ 3518.363077][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.363077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.363077][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.363077][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.363077][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.363077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.363077][ T72] [ 3518.364568][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3518.364568][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3518.364568][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3518.364568][ T72] ipv6_find_idev+0x102/0x170 [ 3518.364568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.364568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.364568][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.364568][ T72] netlink_unicast+0x449/0x710 [ 3518.364568][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.364568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.364568][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.364568][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.364568][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.364568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.364568][ T72] [ 3518.366249][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3518.366519][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3518.366519][ T72] dst_init+0x84/0x4a0 [ 3518.366519][ T72] dst_alloc+0x97/0x150 [ 3518.366519][ T72] ip6_dst_alloc+0x23/0x90 [ 3518.366519][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3518.366519][ T72] ip6_pol_route+0x56f/0x840 [ 3518.366519][ T72] fib6_rule_lookup+0x456/0x630 [ 3518.366519][ T72] ip6_route_input+0x59c/0xa50 [ 3518.366519][ T72] ipv6_rcv+0x397/0x810 [ 3518.366519][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3518.366519][ T72] process_backlog+0x101/0x620 [ 3518.366519][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3518.366519][ T72] net_rx_action+0x495/0xbe0 [ 3518.366519][ T72] __do_softirq+0x1b5/0x7f6 [ 3518.366519][ T72] [ 3518.368169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3518.368169][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.368169][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.368169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.368169][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3518.368169][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3518.368169][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3518.368169][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3518.368169][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3518.368169][ T72] addrconf_dad_begin+0x310/0x670 [ 3518.368169][ T72] addrconf_dad_work+0x10b/0xab0 [ 3518.368169][ T72] process_one_work+0x84d/0x18a0 [ 3518.368169][ T72] worker_thread+0x587/0xd30 [ 3518.368169][ T72] kthread+0x28a/0x350 [ 3518.368169][ T72] ret_from_fork+0x31/0x70 [ 3518.368169][ T72] ret_from_fork_asm+0x1a/0x30 [ 3518.368169][ T72] [ 3518.370077][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3518.370077][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.370077][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.370077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.370077][ T72] ip6_route_add+0x1c/0x140 [ 3518.370077][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3518.370077][ T72] inet6_addr_add+0x4f8/0xa40 [ 3518.370077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.370077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.370077][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.370077][ T72] netlink_unicast+0x449/0x710 [ 3518.370077][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.370077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.370077][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.370077][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.370077][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.370077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.370077][ T72] [ 3518.372064][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3518.372064][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.372064][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.372064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.372064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3518.372064][ T72] ipv6_add_addr+0x411/0x2000 [ 3518.372064][ T72] inet6_addr_add+0x30e/0xa40 [ 3518.372064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.372064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.372064][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.372064][ T72] netlink_unicast+0x449/0x710 [ 3518.372064][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.372064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.372064][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.372064][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.372064][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.372064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.372064][ T72] [ 3518.374045][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3518.374045][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.374045][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.374045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.374045][ T72] ip6_route_add+0x1c/0x140 [ 3518.374045][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3518.374045][ T72] addrconf_add_dev+0xe2/0x170 [ 3518.374045][ T72] inet6_addr_add+0x12f/0xa40 [ 3518.374045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.374045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.374045][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.374045][ T72] netlink_unicast+0x449/0x710 [ 3518.374045][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.374045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.374045][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.374045][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.374045][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.374045][ T72] [ 3518.375985][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3518.375985][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3518.375985][ T72] ipv6_find_idev+0x102/0x170 [ 3518.375985][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.375985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.375985][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.375985][ T72] netlink_unicast+0x449/0x710 [ 3518.375985][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.375985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.375985][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.375985][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.375985][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.375985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.375985][ T72] [ 3518.377508][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3518.377508][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3518.377508][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3518.377508][ T72] ipv6_find_idev+0x102/0x170 [ 3518.377508][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.377508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.377508][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.377508][ T72] netlink_unicast+0x449/0x710 [ 3518.377508][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.377508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.377508][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.377508][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.377508][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.377508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.377508][ T72] [ 3518.379300][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3518.379623][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3518.379623][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3518.379623][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3518.379623][ T72] fib6_nh_init+0xa22/0x1580 [ 3518.379623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.379623][ T72] ip6_route_add+0x1c/0x140 [ 3518.379623][ T72] inet6_rtm_newroute+0x104/0x110 [ 3518.379623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.379623][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.379623][ T72] netlink_unicast+0x449/0x710 [ 3518.379623][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.379623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.379623][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.379623][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.379623][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.379623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.379623][ T72] [ 3518.381731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3518.381731][ T72] dst_init+0x84/0x4a0 [ 3518.381731][ T72] dst_alloc+0x97/0x150 [ 3518.381731][ T72] ip6_dst_alloc+0x23/0x90 [ 3518.381731][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3518.381731][ T72] ip6_pol_route+0x56f/0x840 [ 3518.381731][ T72] fib6_rule_lookup+0x456/0x630 [ 3518.381731][ T72] ip6_route_input+0x59c/0xa50 [ 3518.381731][ T72] ipv6_rcv+0x397/0x810 [ 3518.381731][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3518.381731][ T72] process_backlog+0x101/0x620 [ 3518.381731][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3518.381731][ T72] net_rx_action+0x495/0xbe0 [ 3518.381731][ T72] __do_softirq+0x1b5/0x7f6 [ 3518.381731][ T72] [ 3518.383538][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3518.383538][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.383538][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.383538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.383538][ T72] ip6_route_add+0x1c/0x140 [ 3518.383538][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3518.383538][ T72] inet6_addr_add+0x4f8/0xa40 [ 3518.383538][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.383538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.383538][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.383538][ T72] netlink_unicast+0x449/0x710 [ 3518.383538][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.383538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.383538][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.383538][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.383538][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.383538][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.383538][ T72] [ 3518.385767][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3518.385767][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.385767][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.385767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.385767][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3518.385767][ T72] ipv6_add_addr+0x411/0x2000 [ 3518.385767][ T72] inet6_addr_add+0x30e/0xa40 [ 3518.385767][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.385767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.385767][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.385767][ T72] netlink_unicast+0x449/0x710 [ 3518.385767][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.385767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.385767][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.385767][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.385767][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.385767][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.385767][ T72] [ 3518.388004][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3518.388004][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.388004][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.388004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.388004][ T72] ip6_route_add+0x1c/0x140 [ 3518.388004][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3518.388004][ T72] addrconf_add_dev+0xe2/0x170 [ 3518.388004][ T72] inet6_addr_add+0x12f/0xa40 [ 3518.388004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.388004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.388004][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.388004][ T72] netlink_unicast+0x449/0x710 [ 3518.388004][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.388004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.388004][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.388004][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.388004][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.388004][ T72] [ 3518.390255][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3518.390255][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3518.390255][ T72] ipv6_find_idev+0x102/0x170 [ 3518.390255][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.390255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.390255][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.390255][ T72] netlink_unicast+0x449/0x710 [ 3518.390255][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.390255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.390255][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.390255][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.390255][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.390255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.390255][ T72] [ 3518.391996][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3518.391996][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3518.391996][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3518.391996][ T72] ipv6_find_idev+0x102/0x170 [ 3518.391996][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.391996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.391996][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.391996][ T72] netlink_unicast+0x449/0x710 [ 3518.391996][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.391996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.391996][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.391996][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.391996][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.391996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.391996][ T72] [ 3518.394360][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3518.394639][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3518.394639][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.394639][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.394639][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.394639][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3518.394639][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3518.394639][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3518.394639][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3518.394639][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3518.394639][ T72] addrconf_dad_begin+0x310/0x670 [ 3518.394639][ T72] addrconf_dad_work+0x10b/0xab0 [ 3518.394639][ T72] process_one_work+0x84d/0x18a0 [ 3518.394639][ T72] worker_thread+0x587/0xd30 [ 3518.394639][ T72] kthread+0x28a/0x350 [ 3518.394639][ T72] ret_from_fork+0x31/0x70 [ 3518.394639][ T72] ret_from_fork_asm+0x1a/0x30 [ 3518.394639][ T72] [ 3518.396786][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3518.396786][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.396786][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.396786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.396786][ T72] ip6_route_add+0x1c/0x140 [ 3518.396786][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3518.396786][ T72] inet6_addr_add+0x4f8/0xa40 [ 3518.396786][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.396786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.396786][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.396786][ T72] netlink_unicast+0x449/0x710 [ 3518.396786][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.396786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.396786][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.396786][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.396786][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.396786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.396786][ T72] [ 3518.399009][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3518.399009][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.399009][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.399009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.399009][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3518.399009][ T72] ipv6_add_addr+0x411/0x2000 [ 3518.399009][ T72] inet6_addr_add+0x30e/0xa40 [ 3518.399009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.399009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.399009][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.399009][ T72] netlink_unicast+0x449/0x710 [ 3518.399009][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.399009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.399009][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.399009][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.399009][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.399009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.399009][ T72] [ 3518.401303][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3518.401303][ T72] netdev_get_by_index+0x5e/0x80 [ 3518.401303][ T72] fib6_nh_init+0x3d8/0x1580 [ 3518.401303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3518.401303][ T72] ip6_route_add+0x1c/0x140 [ 3518.401303][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3518.401303][ T72] addrconf_add_dev+0xe2/0x170 [ 3518.401303][ T72] inet6_addr_add+0x12f/0xa40 [ 3518.401303][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.401303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.401303][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.401303][ T72] netlink_unicast+0x449/0x710 [ 3518.401303][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.401303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.401303][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.401303][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.401303][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.401303][ T72] [ 3518.403428][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3518.403428][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3518.403428][ T72] ipv6_find_idev+0x102/0x170 [ 3518.403428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.403428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.403428][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.403428][ T72] netlink_unicast+0x449/0x710 [ 3518.403428][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.403428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.403428][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.403428][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.403428][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.403428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.403428][ T72] [ 3518.405158][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3518.405158][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3518.405158][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3518.405158][ T72] ipv6_find_idev+0x102/0x170 [ 3518.405158][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.405158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.405158][ T72] netlink_rcv_skb+0x130/0x360 [ 3518.405158][ T72] netlink_unicast+0x449/0x710 [ 3518.405158][ T72] netlink_sendmsg+0x723/0xbe0 [ 3518.405158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3518.405158][ T72] ___sys_sendmsg+0xee/0x170 [ 3518.405158][ T72] __sys_sendmsg+0xcd/0x170 [ 3518.405158][ T72] do_syscall_64+0xc6/0x1e0 [ 3518.405158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.405158][ T72] [ 3528.448905][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3528.449411][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3528.449411][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3528.449411][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3528.449411][ T72] fib6_nh_init+0xa22/0x1580 [ 3528.449411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.449411][ T72] ip6_route_add+0x1c/0x140 [ 3528.449411][ T72] inet6_rtm_newroute+0x104/0x110 [ 3528.449411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.449411][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.449411][ T72] netlink_unicast+0x449/0x710 [ 3528.449411][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.449411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.449411][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.449411][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.449411][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.449411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.449411][ T72] [ 3528.451279][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3528.451279][ T72] dst_init+0x84/0x4a0 [ 3528.451279][ T72] dst_alloc+0x97/0x150 [ 3528.451279][ T72] ip6_dst_alloc+0x23/0x90 [ 3528.451279][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3528.451279][ T72] ip6_pol_route+0x56f/0x840 [ 3528.451279][ T72] fib6_rule_lookup+0x456/0x630 [ 3528.451279][ T72] ip6_route_input+0x59c/0xa50 [ 3528.451279][ T72] ipv6_rcv+0x397/0x810 [ 3528.451279][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3528.451279][ T72] process_backlog+0x101/0x620 [ 3528.451279][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3528.451279][ T72] net_rx_action+0x495/0xbe0 [ 3528.451279][ T72] __do_softirq+0x1b5/0x7f6 [ 3528.451279][ T72] [ 3528.452886][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3528.452886][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.452886][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.452886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.452886][ T72] ip6_route_add+0x1c/0x140 [ 3528.452886][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3528.452886][ T72] inet6_addr_add+0x4f8/0xa40 [ 3528.452886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.452886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.452886][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.452886][ T72] netlink_unicast+0x449/0x710 [ 3528.452886][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.452886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.452886][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.452886][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.452886][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.452886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.452886][ T72] [ 3528.454818][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3528.454818][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.454818][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.454818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.454818][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3528.454818][ T72] ipv6_add_addr+0x411/0x2000 [ 3528.454818][ T72] inet6_addr_add+0x30e/0xa40 [ 3528.454818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.454818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.454818][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.454818][ T72] netlink_unicast+0x449/0x710 [ 3528.454818][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.454818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.454818][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.454818][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.454818][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.454818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.454818][ T72] [ 3528.456744][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3528.456744][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.456744][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.456744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.456744][ T72] ip6_route_add+0x1c/0x140 [ 3528.456744][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3528.456744][ T72] addrconf_add_dev+0xe2/0x170 [ 3528.456744][ T72] inet6_addr_add+0x12f/0xa40 [ 3528.456744][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.456744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.456744][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.456744][ T72] netlink_unicast+0x449/0x710 [ 3528.456744][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.456744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.456744][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.456744][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.456744][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.456744][ T72] [ 3528.458736][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3528.458736][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3528.458736][ T72] ipv6_find_idev+0x102/0x170 [ 3528.458736][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.458736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.458736][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.458736][ T72] netlink_unicast+0x449/0x710 [ 3528.458736][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.458736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.458736][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.458736][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.458736][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.458736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.458736][ T72] [ 3528.460595][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3528.460595][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3528.460595][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3528.460595][ T72] ipv6_find_idev+0x102/0x170 [ 3528.460595][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.460595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.460595][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.460595][ T72] netlink_unicast+0x449/0x710 [ 3528.460595][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.460595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.460595][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.460595][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.460595][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.460595][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.460595][ T72] [ 3528.462304][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3528.462576][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3528.462576][ T72] dst_init+0x84/0x4a0 [ 3528.462576][ T72] dst_alloc+0x97/0x150 [ 3528.462576][ T72] ip6_dst_alloc+0x23/0x90 [ 3528.462576][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3528.462576][ T72] ip6_pol_route+0x56f/0x840 [ 3528.462576][ T72] fib6_rule_lookup+0x456/0x630 [ 3528.462576][ T72] ip6_route_input+0x59c/0xa50 [ 3528.462576][ T72] ipv6_rcv+0x397/0x810 [ 3528.462576][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3528.462576][ T72] process_backlog+0x101/0x620 [ 3528.462576][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3528.462576][ T72] net_rx_action+0x495/0xbe0 [ 3528.462576][ T72] __do_softirq+0x1b5/0x7f6 [ 3528.462576][ T72] [ 3528.464231][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3528.464231][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.464231][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.464231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.464231][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3528.464231][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3528.464231][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3528.464231][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3528.464231][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3528.464231][ T72] addrconf_dad_begin+0x310/0x670 [ 3528.464231][ T72] addrconf_dad_work+0x10b/0xab0 [ 3528.464231][ T72] process_one_work+0x84d/0x18a0 [ 3528.464231][ T72] worker_thread+0x587/0xd30 [ 3528.464231][ T72] kthread+0x28a/0x350 [ 3528.464231][ T72] ret_from_fork+0x31/0x70 [ 3528.464231][ T72] ret_from_fork_asm+0x1a/0x30 [ 3528.464231][ T72] [ 3528.466148][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3528.466148][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.466148][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.466148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.466148][ T72] ip6_route_add+0x1c/0x140 [ 3528.466148][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3528.466148][ T72] inet6_addr_add+0x4f8/0xa40 [ 3528.466148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.466148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.466148][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.466148][ T72] netlink_unicast+0x449/0x710 [ 3528.466148][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.466148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.466148][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.466148][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.466148][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.466148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.466148][ T72] [ 3528.468095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3528.468095][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.468095][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.468095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.468095][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3528.468095][ T72] ipv6_add_addr+0x411/0x2000 [ 3528.468095][ T72] inet6_addr_add+0x30e/0xa40 [ 3528.468095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.468095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.468095][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.468095][ T72] netlink_unicast+0x449/0x710 [ 3528.468095][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.468095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.468095][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.468095][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.468095][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.468095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.468095][ T72] [ 3528.470020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3528.470020][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.470020][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.470020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.470020][ T72] ip6_route_add+0x1c/0x140 [ 3528.470020][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3528.470020][ T72] addrconf_add_dev+0xe2/0x170 [ 3528.470020][ T72] inet6_addr_add+0x12f/0xa40 [ 3528.470020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.470020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.470020][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.470020][ T72] netlink_unicast+0x449/0x710 [ 3528.470020][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.470020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.470020][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.470020][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.470020][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.470020][ T72] [ 3528.471959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3528.471959][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3528.471959][ T72] ipv6_find_idev+0x102/0x170 [ 3528.471959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.471959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.471959][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.471959][ T72] netlink_unicast+0x449/0x710 [ 3528.471959][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.471959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.471959][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.471959][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.471959][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.471959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.471959][ T72] [ 3528.473524][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3528.473524][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3528.473524][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3528.473524][ T72] ipv6_find_idev+0x102/0x170 [ 3528.473524][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.473524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.473524][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.473524][ T72] netlink_unicast+0x449/0x710 [ 3528.473524][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.473524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.473524][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.473524][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.473524][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.473524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.473524][ T72] [ 3528.475299][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3528.475636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3528.475636][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3528.475636][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3528.475636][ T72] fib6_nh_init+0xa22/0x1580 [ 3528.475636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.475636][ T72] ip6_route_add+0x1c/0x140 [ 3528.475636][ T72] inet6_rtm_newroute+0x104/0x110 [ 3528.475636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.475636][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.475636][ T72] netlink_unicast+0x449/0x710 [ 3528.475636][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.475636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.475636][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.475636][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.475636][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.475636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.475636][ T72] [ 3528.477706][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3528.477706][ T72] dst_init+0x84/0x4a0 [ 3528.477706][ T72] dst_alloc+0x97/0x150 [ 3528.477706][ T72] ip6_dst_alloc+0x23/0x90 [ 3528.477706][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3528.477706][ T72] ip6_pol_route+0x56f/0x840 [ 3528.477706][ T72] fib6_rule_lookup+0x456/0x630 [ 3528.477706][ T72] ip6_route_input+0x59c/0xa50 [ 3528.477706][ T72] ipv6_rcv+0x397/0x810 [ 3528.477706][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3528.477706][ T72] process_backlog+0x101/0x620 [ 3528.477706][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3528.477706][ T72] net_rx_action+0x495/0xbe0 [ 3528.477706][ T72] __do_softirq+0x1b5/0x7f6 [ 3528.477706][ T72] [ 3528.479535][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3528.479535][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.479535][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.479535][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.479535][ T72] ip6_route_add+0x1c/0x140 [ 3528.479535][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3528.479535][ T72] inet6_addr_add+0x4f8/0xa40 [ 3528.479535][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.479535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.479535][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.479535][ T72] netlink_unicast+0x449/0x710 [ 3528.479535][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.479535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.479535][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.479535][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.479535][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.479535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.479535][ T72] [ 3528.481832][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3528.481832][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.481832][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.481832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.481832][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3528.481832][ T72] ipv6_add_addr+0x411/0x2000 [ 3528.481832][ T72] inet6_addr_add+0x30e/0xa40 [ 3528.481832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.481832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.481832][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.481832][ T72] netlink_unicast+0x449/0x710 [ 3528.481832][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.481832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.481832][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.481832][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.481832][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.481832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.481832][ T72] [ 3528.484075][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3528.484075][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.484075][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.484075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.484075][ T72] ip6_route_add+0x1c/0x140 [ 3528.484075][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3528.484075][ T72] addrconf_add_dev+0xe2/0x170 [ 3528.484075][ T72] inet6_addr_add+0x12f/0xa40 [ 3528.484075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.484075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.484075][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.484075][ T72] netlink_unicast+0x449/0x710 [ 3528.484075][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.484075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.484075][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.484075][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.484075][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.484075][ T72] [ 3528.486266][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3528.486266][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3528.486266][ T72] ipv6_find_idev+0x102/0x170 [ 3528.486266][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.486266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.486266][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.486266][ T72] netlink_unicast+0x449/0x710 [ 3528.486266][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.486266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.486266][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.486266][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.486266][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.486266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.486266][ T72] [ 3528.488002][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3528.488002][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3528.488002][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3528.488002][ T72] ipv6_find_idev+0x102/0x170 [ 3528.488002][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.488002][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.488002][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.488002][ T72] netlink_unicast+0x449/0x710 [ 3528.488002][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.488002][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.488002][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.488002][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.488002][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.488002][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.488002][ T72] [ 3528.489913][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3528.490188][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3528.490188][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.490188][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.490188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.490188][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3528.490188][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3528.490188][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3528.490188][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3528.490188][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3528.490188][ T72] addrconf_dad_begin+0x310/0x670 [ 3528.490188][ T72] addrconf_dad_work+0x10b/0xab0 [ 3528.490188][ T72] process_one_work+0x84d/0x18a0 [ 3528.490188][ T72] worker_thread+0x587/0xd30 [ 3528.490188][ T72] kthread+0x28a/0x350 [ 3528.490188][ T72] ret_from_fork+0x31/0x70 [ 3528.490188][ T72] ret_from_fork_asm+0x1a/0x30 [ 3528.490188][ T72] [ 3528.492325][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3528.492325][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.492325][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.492325][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.492325][ T72] ip6_route_add+0x1c/0x140 [ 3528.492325][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3528.492325][ T72] inet6_addr_add+0x4f8/0xa40 [ 3528.492325][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.492325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.492325][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.492325][ T72] netlink_unicast+0x449/0x710 [ 3528.492325][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.492325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.492325][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.492325][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.492325][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.492325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.492325][ T72] [ 3528.494538][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3528.494538][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.494538][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.494538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.494538][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3528.494538][ T72] ipv6_add_addr+0x411/0x2000 [ 3528.494538][ T72] inet6_addr_add+0x30e/0xa40 [ 3528.494538][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.494538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.494538][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.494538][ T72] netlink_unicast+0x449/0x710 [ 3528.494538][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.494538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.494538][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.494538][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.494538][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.494538][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.494538][ T72] [ 3528.496755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3528.496755][ T72] netdev_get_by_index+0x5e/0x80 [ 3528.496755][ T72] fib6_nh_init+0x3d8/0x1580 [ 3528.496755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3528.496755][ T72] ip6_route_add+0x1c/0x140 [ 3528.496755][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3528.496755][ T72] addrconf_add_dev+0xe2/0x170 [ 3528.496755][ T72] inet6_addr_add+0x12f/0xa40 [ 3528.496755][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.496755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.496755][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.496755][ T72] netlink_unicast+0x449/0x710 [ 3528.496755][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.496755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.496755][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.496755][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.496755][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.496755][ T72] [ 3528.498846][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3528.498846][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3528.498846][ T72] ipv6_find_idev+0x102/0x170 [ 3528.498846][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.498846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.498846][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.498846][ T72] netlink_unicast+0x449/0x710 [ 3528.498846][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.498846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.498846][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.498846][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.498846][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.498846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.498846][ T72] [ 3528.500627][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3528.500627][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3528.500627][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3528.500627][ T72] ipv6_find_idev+0x102/0x170 [ 3528.500627][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.500627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.500627][ T72] netlink_rcv_skb+0x130/0x360 [ 3528.500627][ T72] netlink_unicast+0x449/0x710 [ 3528.500627][ T72] netlink_sendmsg+0x723/0xbe0 [ 3528.500627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3528.500627][ T72] ___sys_sendmsg+0xee/0x170 [ 3528.500627][ T72] __sys_sendmsg+0xcd/0x170 [ 3528.500627][ T72] do_syscall_64+0xc6/0x1e0 [ 3528.500627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.500627][ T72] [ 3538.520914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3538.521435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3538.521435][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3538.521435][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3538.521435][ T72] fib6_nh_init+0xa22/0x1580 [ 3538.521435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.521435][ T72] ip6_route_add+0x1c/0x140 [ 3538.521435][ T72] inet6_rtm_newroute+0x104/0x110 [ 3538.521435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.521435][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.521435][ T72] netlink_unicast+0x449/0x710 [ 3538.521435][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.521435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.521435][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.521435][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.521435][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.521435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.521435][ T72] [ 3538.523354][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3538.523354][ T72] dst_init+0x84/0x4a0 [ 3538.523354][ T72] dst_alloc+0x97/0x150 [ 3538.523354][ T72] ip6_dst_alloc+0x23/0x90 [ 3538.523354][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3538.523354][ T72] ip6_pol_route+0x56f/0x840 [ 3538.523354][ T72] fib6_rule_lookup+0x456/0x630 [ 3538.523354][ T72] ip6_route_input+0x59c/0xa50 [ 3538.523354][ T72] ipv6_rcv+0x397/0x810 [ 3538.523354][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3538.523354][ T72] process_backlog+0x101/0x620 [ 3538.523354][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3538.523354][ T72] net_rx_action+0x495/0xbe0 [ 3538.523354][ T72] __do_softirq+0x1b5/0x7f6 [ 3538.523354][ T72] [ 3538.524980][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3538.524980][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.524980][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.524980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.524980][ T72] ip6_route_add+0x1c/0x140 [ 3538.524980][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3538.524980][ T72] inet6_addr_add+0x4f8/0xa40 [ 3538.524980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.524980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.524980][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.524980][ T72] netlink_unicast+0x449/0x710 [ 3538.524980][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.524980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.524980][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.524980][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.524980][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.524980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.524980][ T72] [ 3538.526992][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3538.526992][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.526992][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.526992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.526992][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3538.526992][ T72] ipv6_add_addr+0x411/0x2000 [ 3538.526992][ T72] inet6_addr_add+0x30e/0xa40 [ 3538.526992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.526992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.526992][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.526992][ T72] netlink_unicast+0x449/0x710 [ 3538.526992][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.526992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.526992][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.526992][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.526992][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.526992][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.526992][ T72] [ 3538.528979][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3538.528979][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.528979][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.528979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.528979][ T72] ip6_route_add+0x1c/0x140 [ 3538.528979][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3538.528979][ T72] addrconf_add_dev+0xe2/0x170 [ 3538.528979][ T72] inet6_addr_add+0x12f/0xa40 [ 3538.528979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.528979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.528979][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.528979][ T72] netlink_unicast+0x449/0x710 [ 3538.528979][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.528979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.528979][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.528979][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.528979][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.528979][ T72] [ 3538.530950][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3538.530950][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3538.530950][ T72] ipv6_find_idev+0x102/0x170 [ 3538.530950][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.530950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.530950][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.530950][ T72] netlink_unicast+0x449/0x710 [ 3538.530950][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.530950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.530950][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.530950][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.530950][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.530950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.530950][ T72] [ 3538.532503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3538.532503][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3538.532503][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3538.532503][ T72] ipv6_find_idev+0x102/0x170 [ 3538.532503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.532503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.532503][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.532503][ T72] netlink_unicast+0x449/0x710 [ 3538.532503][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.532503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.532503][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.532503][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.532503][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.532503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.532503][ T72] [ 3538.534223][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3538.534496][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3538.534496][ T72] dst_init+0x84/0x4a0 [ 3538.534496][ T72] dst_alloc+0x97/0x150 [ 3538.534496][ T72] ip6_dst_alloc+0x23/0x90 [ 3538.534496][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3538.534496][ T72] ip6_pol_route+0x56f/0x840 [ 3538.534496][ T72] fib6_rule_lookup+0x456/0x630 [ 3538.534496][ T72] ip6_route_input+0x59c/0xa50 [ 3538.534496][ T72] ipv6_rcv+0x397/0x810 [ 3538.534496][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3538.534496][ T72] process_backlog+0x101/0x620 [ 3538.534496][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3538.534496][ T72] net_rx_action+0x495/0xbe0 [ 3538.534496][ T72] __do_softirq+0x1b5/0x7f6 [ 3538.534496][ T72] [ 3538.536125][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3538.536125][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.536125][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.536125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.536125][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3538.536125][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3538.536125][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3538.536125][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3538.536125][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3538.536125][ T72] addrconf_dad_begin+0x310/0x670 [ 3538.536125][ T72] addrconf_dad_work+0x10b/0xab0 [ 3538.536125][ T72] process_one_work+0x84d/0x18a0 [ 3538.536125][ T72] worker_thread+0x587/0xd30 [ 3538.536125][ T72] kthread+0x28a/0x350 [ 3538.536125][ T72] ret_from_fork+0x31/0x70 [ 3538.536125][ T72] ret_from_fork_asm+0x1a/0x30 [ 3538.536125][ T72] [ 3538.537984][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3538.537984][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.537984][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.537984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.537984][ T72] ip6_route_add+0x1c/0x140 [ 3538.537984][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3538.537984][ T72] inet6_addr_add+0x4f8/0xa40 [ 3538.537984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.537984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.537984][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.537984][ T72] netlink_unicast+0x449/0x710 [ 3538.537984][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.537984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.537984][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.537984][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.537984][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.537984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.537984][ T72] [ 3538.539925][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3538.539925][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.539925][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.539925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.539925][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3538.539925][ T72] ipv6_add_addr+0x411/0x2000 [ 3538.539925][ T72] inet6_addr_add+0x30e/0xa40 [ 3538.539925][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.539925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.539925][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.539925][ T72] netlink_unicast+0x449/0x710 [ 3538.539925][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.539925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.539925][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.539925][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.539925][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.539925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.539925][ T72] [ 3538.541875][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3538.541875][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.541875][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.541875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.541875][ T72] ip6_route_add+0x1c/0x140 [ 3538.541875][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3538.541875][ T72] addrconf_add_dev+0xe2/0x170 [ 3538.541875][ T72] inet6_addr_add+0x12f/0xa40 [ 3538.541875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.541875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.541875][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.541875][ T72] netlink_unicast+0x449/0x710 [ 3538.541875][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.541875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.541875][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.541875][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.541875][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.541875][ T72] [ 3538.543785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3538.543785][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3538.543785][ T72] ipv6_find_idev+0x102/0x170 [ 3538.543785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.543785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.543785][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.543785][ T72] netlink_unicast+0x449/0x710 [ 3538.543785][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.543785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.543785][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.543785][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.543785][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.543785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.543785][ T72] [ 3538.545335][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3538.545335][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3538.545335][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3538.545335][ T72] ipv6_find_idev+0x102/0x170 [ 3538.545335][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.545335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.545335][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.545335][ T72] netlink_unicast+0x449/0x710 [ 3538.545335][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.545335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.545335][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.545335][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.545335][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.545335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.545335][ T72] [ 3538.547194][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3538.547471][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3538.547471][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3538.547471][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3538.547471][ T72] fib6_nh_init+0xa22/0x1580 [ 3538.547471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.547471][ T72] ip6_route_add+0x1c/0x140 [ 3538.547471][ T72] inet6_rtm_newroute+0x104/0x110 [ 3538.547471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.547471][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.547471][ T72] netlink_unicast+0x449/0x710 [ 3538.547471][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.547471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.547471][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.547471][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.547471][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.547471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.547471][ T72] [ 3538.549570][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3538.549570][ T72] dst_init+0x84/0x4a0 [ 3538.549570][ T72] dst_alloc+0x97/0x150 [ 3538.549570][ T72] ip6_dst_alloc+0x23/0x90 [ 3538.549570][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3538.549570][ T72] ip6_pol_route+0x56f/0x840 [ 3538.549570][ T72] fib6_rule_lookup+0x456/0x630 [ 3538.549570][ T72] ip6_route_input+0x59c/0xa50 [ 3538.549570][ T72] ipv6_rcv+0x397/0x810 [ 3538.549570][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3538.549570][ T72] process_backlog+0x101/0x620 [ 3538.549570][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3538.549570][ T72] net_rx_action+0x495/0xbe0 [ 3538.549570][ T72] __do_softirq+0x1b5/0x7f6 [ 3538.549570][ T72] [ 3538.551395][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3538.551395][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.551395][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.551395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.551395][ T72] ip6_route_add+0x1c/0x140 [ 3538.551395][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3538.551395][ T72] inet6_addr_add+0x4f8/0xa40 [ 3538.551395][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.551395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.551395][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.551395][ T72] netlink_unicast+0x449/0x710 [ 3538.551395][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.551395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.551395][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.551395][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.551395][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.551395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.551395][ T72] [ 3538.553654][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3538.553654][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.553654][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.553654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.553654][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3538.553654][ T72] ipv6_add_addr+0x411/0x2000 [ 3538.553654][ T72] inet6_addr_add+0x30e/0xa40 [ 3538.553654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.553654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.553654][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.553654][ T72] netlink_unicast+0x449/0x710 [ 3538.553654][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.553654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.553654][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.553654][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.553654][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.553654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.553654][ T72] [ 3538.555838][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3538.555838][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.555838][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.555838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.555838][ T72] ip6_route_add+0x1c/0x140 [ 3538.555838][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3538.555838][ T72] addrconf_add_dev+0xe2/0x170 [ 3538.555838][ T72] inet6_addr_add+0x12f/0xa40 [ 3538.555838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.555838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.555838][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.555838][ T72] netlink_unicast+0x449/0x710 [ 3538.555838][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.555838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.555838][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.555838][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.555838][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.555838][ T72] [ 3538.558161][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3538.558161][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3538.558161][ T72] ipv6_find_idev+0x102/0x170 [ 3538.558161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.558161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.558161][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.558161][ T72] netlink_unicast+0x449/0x710 [ 3538.558161][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.558161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.558161][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.558161][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.558161][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.558161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.558161][ T72] [ 3538.559866][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3538.559866][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3538.559866][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3538.559866][ T72] ipv6_find_idev+0x102/0x170 [ 3538.559866][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.559866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.559866][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.559866][ T72] netlink_unicast+0x449/0x710 [ 3538.559866][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.559866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.559866][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.559866][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.559866][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.559866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.559866][ T72] [ 3538.561766][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3538.562539][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3538.562539][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.562539][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.562539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.562539][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3538.562539][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3538.562539][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3538.562539][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3538.562539][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3538.562539][ T72] addrconf_dad_begin+0x310/0x670 [ 3538.562539][ T72] addrconf_dad_work+0x10b/0xab0 [ 3538.562539][ T72] process_one_work+0x84d/0x18a0 [ 3538.562539][ T72] worker_thread+0x587/0xd30 [ 3538.562539][ T72] kthread+0x28a/0x350 [ 3538.562539][ T72] ret_from_fork+0x31/0x70 [ 3538.562539][ T72] ret_from_fork_asm+0x1a/0x30 [ 3538.562539][ T72] [ 3538.564477][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3538.564477][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.564477][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.564477][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.564477][ T72] ip6_route_add+0x1c/0x140 [ 3538.564477][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3538.564477][ T72] inet6_addr_add+0x4f8/0xa40 [ 3538.564477][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.564477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.564477][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.564477][ T72] netlink_unicast+0x449/0x710 [ 3538.564477][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.564477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.564477][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.564477][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.564477][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.564477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.564477][ T72] [ 3538.566459][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3538.566459][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.566459][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.566459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.566459][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3538.566459][ T72] ipv6_add_addr+0x411/0x2000 [ 3538.566459][ T72] inet6_addr_add+0x30e/0xa40 [ 3538.566459][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.566459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.566459][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.566459][ T72] netlink_unicast+0x449/0x710 [ 3538.566459][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.566459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.566459][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.566459][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.566459][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.566459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.566459][ T72] [ 3538.568781][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3538.568781][ T72] netdev_get_by_index+0x5e/0x80 [ 3538.568781][ T72] fib6_nh_init+0x3d8/0x1580 [ 3538.568781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3538.568781][ T72] ip6_route_add+0x1c/0x140 [ 3538.568781][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3538.568781][ T72] addrconf_add_dev+0xe2/0x170 [ 3538.568781][ T72] inet6_addr_add+0x12f/0xa40 [ 3538.568781][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.568781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.568781][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.568781][ T72] netlink_unicast+0x449/0x710 [ 3538.568781][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.568781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.568781][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.568781][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.568781][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.568781][ T72] [ 3538.571069][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3538.571069][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3538.571069][ T72] ipv6_find_idev+0x102/0x170 [ 3538.571069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.571069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.571069][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.571069][ T72] netlink_unicast+0x449/0x710 [ 3538.571069][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.571069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.571069][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.571069][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.571069][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.571069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.571069][ T72] [ 3538.572819][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3538.572819][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3538.572819][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3538.572819][ T72] ipv6_find_idev+0x102/0x170 [ 3538.572819][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.572819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.572819][ T72] netlink_rcv_skb+0x130/0x360 [ 3538.572819][ T72] netlink_unicast+0x449/0x710 [ 3538.572819][ T72] netlink_sendmsg+0x723/0xbe0 [ 3538.572819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3538.572819][ T72] ___sys_sendmsg+0xee/0x170 [ 3538.572819][ T72] __sys_sendmsg+0xcd/0x170 [ 3538.572819][ T72] do_syscall_64+0xc6/0x1e0 [ 3538.572819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.572819][ T72] [ 3548.824994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3548.825557][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3548.825557][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3548.825557][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3548.825557][ T72] fib6_nh_init+0xa22/0x1580 [ 3548.825557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.825557][ T72] ip6_route_add+0x1c/0x140 [ 3548.825557][ T72] inet6_rtm_newroute+0x104/0x110 [ 3548.825557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.825557][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.825557][ T72] netlink_unicast+0x449/0x710 [ 3548.825557][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.825557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.825557][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.825557][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.825557][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.825557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.825557][ T72] [ 3548.827401][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3548.827401][ T72] dst_init+0x84/0x4a0 [ 3548.827401][ T72] dst_alloc+0x97/0x150 [ 3548.827401][ T72] ip6_dst_alloc+0x23/0x90 [ 3548.827401][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3548.827401][ T72] ip6_pol_route+0x56f/0x840 [ 3548.827401][ T72] fib6_rule_lookup+0x456/0x630 [ 3548.827401][ T72] ip6_route_input+0x59c/0xa50 [ 3548.827401][ T72] ipv6_rcv+0x397/0x810 [ 3548.827401][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3548.827401][ T72] process_backlog+0x101/0x620 [ 3548.827401][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3548.827401][ T72] net_rx_action+0x495/0xbe0 [ 3548.827401][ T72] __do_softirq+0x1b5/0x7f6 [ 3548.827401][ T72] [ 3548.829039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3548.829039][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.829039][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.829039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.829039][ T72] ip6_route_add+0x1c/0x140 [ 3548.829039][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3548.829039][ T72] inet6_addr_add+0x4f8/0xa40 [ 3548.829039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.829039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.829039][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.829039][ T72] netlink_unicast+0x449/0x710 [ 3548.829039][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.829039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.829039][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.829039][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.829039][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.829039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.829039][ T72] [ 3548.831048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3548.831048][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.831048][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.831048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.831048][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3548.831048][ T72] ipv6_add_addr+0x411/0x2000 [ 3548.831048][ T72] inet6_addr_add+0x30e/0xa40 [ 3548.831048][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.831048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.831048][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.831048][ T72] netlink_unicast+0x449/0x710 [ 3548.831048][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.831048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.831048][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.831048][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.831048][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.831048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.831048][ T72] [ 3548.833031][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3548.833031][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.833031][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.833031][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.833031][ T72] ip6_route_add+0x1c/0x140 [ 3548.833031][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3548.833031][ T72] addrconf_add_dev+0xe2/0x170 [ 3548.833031][ T72] inet6_addr_add+0x12f/0xa40 [ 3548.833031][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.833031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.833031][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.833031][ T72] netlink_unicast+0x449/0x710 [ 3548.833031][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.833031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.833031][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.833031][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.833031][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.833031][ T72] [ 3548.834920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3548.834920][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3548.834920][ T72] ipv6_find_idev+0x102/0x170 [ 3548.834920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.834920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.834920][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.834920][ T72] netlink_unicast+0x449/0x710 [ 3548.834920][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.834920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.834920][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.834920][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.834920][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.834920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.834920][ T72] [ 3548.836558][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3548.836558][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3548.836558][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3548.836558][ T72] ipv6_find_idev+0x102/0x170 [ 3548.836558][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.836558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.836558][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.836558][ T72] netlink_unicast+0x449/0x710 [ 3548.836558][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.836558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.836558][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.836558][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.836558][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.836558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.836558][ T72] [ 3548.838251][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3548.838532][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3548.838532][ T72] dst_init+0x84/0x4a0 [ 3548.838532][ T72] dst_alloc+0x97/0x150 [ 3548.838532][ T72] ip6_dst_alloc+0x23/0x90 [ 3548.838532][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3548.838532][ T72] ip6_pol_route+0x56f/0x840 [ 3548.838532][ T72] fib6_rule_lookup+0x456/0x630 [ 3548.838532][ T72] ip6_route_input+0x59c/0xa50 [ 3548.838532][ T72] ipv6_rcv+0x397/0x810 [ 3548.838532][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3548.838532][ T72] process_backlog+0x101/0x620 [ 3548.838532][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3548.838532][ T72] net_rx_action+0x495/0xbe0 [ 3548.838532][ T72] __do_softirq+0x1b5/0x7f6 [ 3548.838532][ T72] [ 3548.840157][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3548.840157][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.840157][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.840157][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.840157][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3548.840157][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3548.840157][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3548.840157][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3548.840157][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3548.840157][ T72] addrconf_dad_begin+0x310/0x670 [ 3548.840157][ T72] addrconf_dad_work+0x10b/0xab0 [ 3548.840157][ T72] process_one_work+0x84d/0x18a0 [ 3548.840157][ T72] worker_thread+0x587/0xd30 [ 3548.840157][ T72] kthread+0x28a/0x350 [ 3548.840157][ T72] ret_from_fork+0x31/0x70 [ 3548.840157][ T72] ret_from_fork_asm+0x1a/0x30 [ 3548.840157][ T72] [ 3548.842076][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3548.842076][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.842076][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.842076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.842076][ T72] ip6_route_add+0x1c/0x140 [ 3548.842076][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3548.842076][ T72] inet6_addr_add+0x4f8/0xa40 [ 3548.842076][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.842076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.842076][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.842076][ T72] netlink_unicast+0x449/0x710 [ 3548.842076][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.842076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.842076][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.842076][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.842076][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.842076][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.842076][ T72] [ 3548.844059][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3548.844059][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.844059][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.844059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.844059][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3548.844059][ T72] ipv6_add_addr+0x411/0x2000 [ 3548.844059][ T72] inet6_addr_add+0x30e/0xa40 [ 3548.844059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.844059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.844059][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.844059][ T72] netlink_unicast+0x449/0x710 [ 3548.844059][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.844059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.844059][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.844059][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.844059][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.844059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.844059][ T72] [ 3548.846042][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3548.846042][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.846042][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.846042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.846042][ T72] ip6_route_add+0x1c/0x140 [ 3548.846042][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3548.846042][ T72] addrconf_add_dev+0xe2/0x170 [ 3548.846042][ T72] inet6_addr_add+0x12f/0xa40 [ 3548.846042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.846042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.846042][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.846042][ T72] netlink_unicast+0x449/0x710 [ 3548.846042][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.846042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.846042][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.846042][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.846042][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.846042][ T72] [ 3548.847995][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3548.847995][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3548.847995][ T72] ipv6_find_idev+0x102/0x170 [ 3548.847995][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.847995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.847995][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.847995][ T72] netlink_unicast+0x449/0x710 [ 3548.847995][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.847995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.847995][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.847995][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.847995][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.847995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.847995][ T72] [ 3548.849517][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3548.849517][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3548.849517][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3548.849517][ T72] ipv6_find_idev+0x102/0x170 [ 3548.849517][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.849517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.849517][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.849517][ T72] netlink_unicast+0x449/0x710 [ 3548.849517][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.849517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.849517][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.849517][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.849517][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.849517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.849517][ T72] [ 3548.851319][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3548.851596][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3548.851596][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3548.851596][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3548.851596][ T72] fib6_nh_init+0xa22/0x1580 [ 3548.851596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.851596][ T72] ip6_route_add+0x1c/0x140 [ 3548.851596][ T72] inet6_rtm_newroute+0x104/0x110 [ 3548.851596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.851596][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.851596][ T72] netlink_unicast+0x449/0x710 [ 3548.851596][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.851596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.851596][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.851596][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.851596][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.851596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.851596][ T72] [ 3548.853682][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3548.853682][ T72] dst_init+0x84/0x4a0 [ 3548.853682][ T72] dst_alloc+0x97/0x150 [ 3548.853682][ T72] ip6_dst_alloc+0x23/0x90 [ 3548.853682][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3548.853682][ T72] ip6_pol_route+0x56f/0x840 [ 3548.853682][ T72] fib6_rule_lookup+0x456/0x630 [ 3548.853682][ T72] ip6_route_input+0x59c/0xa50 [ 3548.853682][ T72] ipv6_rcv+0x397/0x810 [ 3548.853682][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3548.853682][ T72] process_backlog+0x101/0x620 [ 3548.853682][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3548.853682][ T72] net_rx_action+0x495/0xbe0 [ 3548.853682][ T72] __do_softirq+0x1b5/0x7f6 [ 3548.853682][ T72] [ 3548.855521][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3548.855521][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.855521][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.855521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.855521][ T72] ip6_route_add+0x1c/0x140 [ 3548.855521][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3548.855521][ T72] inet6_addr_add+0x4f8/0xa40 [ 3548.855521][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.855521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.855521][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.855521][ T72] netlink_unicast+0x449/0x710 [ 3548.855521][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.855521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.855521][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.855521][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.855521][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.855521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.855521][ T72] [ 3548.857670][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3548.857670][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.857670][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.857670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.857670][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3548.857670][ T72] ipv6_add_addr+0x411/0x2000 [ 3548.857670][ T72] inet6_addr_add+0x30e/0xa40 [ 3548.857670][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.857670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.857670][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.857670][ T72] netlink_unicast+0x449/0x710 [ 3548.857670][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.857670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.857670][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.857670][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.857670][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.857670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.857670][ T72] [ 3548.859913][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3548.859913][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.859913][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.859913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.859913][ T72] ip6_route_add+0x1c/0x140 [ 3548.859913][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3548.859913][ T72] addrconf_add_dev+0xe2/0x170 [ 3548.859913][ T72] inet6_addr_add+0x12f/0xa40 [ 3548.859913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.859913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.859913][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.859913][ T72] netlink_unicast+0x449/0x710 [ 3548.859913][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.859913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.859913][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.859913][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.859913][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.859913][ T72] [ 3548.862164][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3548.862164][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3548.862164][ T72] ipv6_find_idev+0x102/0x170 [ 3548.862164][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.862164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.862164][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.862164][ T72] netlink_unicast+0x449/0x710 [ 3548.862164][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.862164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.862164][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.862164][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.862164][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.862164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.862164][ T72] [ 3548.863869][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3548.863869][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3548.863869][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3548.863869][ T72] ipv6_find_idev+0x102/0x170 [ 3548.863869][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.863869][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.863869][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.863869][ T72] netlink_unicast+0x449/0x710 [ 3548.863869][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.863869][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.863869][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.863869][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.863869][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.863869][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.863869][ T72] [ 3548.865715][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3548.866483][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3548.866483][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.866483][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.866483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.866483][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3548.866483][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3548.866483][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3548.866483][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3548.866483][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3548.866483][ T72] addrconf_dad_begin+0x310/0x670 [ 3548.866483][ T72] addrconf_dad_work+0x10b/0xab0 [ 3548.866483][ T72] process_one_work+0x84d/0x18a0 [ 3548.866483][ T72] worker_thread+0x587/0xd30 [ 3548.866483][ T72] kthread+0x28a/0x350 [ 3548.866483][ T72] ret_from_fork+0x31/0x70 [ 3548.866483][ T72] ret_from_fork_asm+0x1a/0x30 [ 3548.866483][ T72] [ 3548.868369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3548.868369][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.868369][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.868369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.868369][ T72] ip6_route_add+0x1c/0x140 [ 3548.868369][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3548.868369][ T72] inet6_addr_add+0x4f8/0xa40 [ 3548.868369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.868369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.868369][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.868369][ T72] netlink_unicast+0x449/0x710 [ 3548.868369][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.868369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.868369][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.868369][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.868369][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.868369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.868369][ T72] [ 3548.870911][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3548.870911][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.870911][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.870911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.870911][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3548.870911][ T72] ipv6_add_addr+0x411/0x2000 [ 3548.870911][ T72] inet6_addr_add+0x30e/0xa40 [ 3548.870911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.870911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.870911][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.870911][ T72] netlink_unicast+0x449/0x710 [ 3548.870911][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.870911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.870911][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.870911][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.870911][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.870911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.870911][ T72] [ 3548.873129][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3548.873129][ T72] netdev_get_by_index+0x5e/0x80 [ 3548.873129][ T72] fib6_nh_init+0x3d8/0x1580 [ 3548.873129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3548.873129][ T72] ip6_route_add+0x1c/0x140 [ 3548.873129][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3548.873129][ T72] addrconf_add_dev+0xe2/0x170 [ 3548.873129][ T72] inet6_addr_add+0x12f/0xa40 [ 3548.873129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.873129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.873129][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.873129][ T72] netlink_unicast+0x449/0x710 [ 3548.873129][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.873129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.873129][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.873129][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.873129][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.873129][ T72] [ 3548.875774][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3548.875774][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3548.875774][ T72] ipv6_find_idev+0x102/0x170 [ 3548.875774][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.875774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.875774][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.875774][ T72] netlink_unicast+0x449/0x710 [ 3548.875774][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.875774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.875774][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.875774][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.875774][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.875774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.875774][ T72] [ 3548.877499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3548.877499][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3548.877499][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3548.877499][ T72] ipv6_find_idev+0x102/0x170 [ 3548.877499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.877499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.877499][ T72] netlink_rcv_skb+0x130/0x360 [ 3548.877499][ T72] netlink_unicast+0x449/0x710 [ 3548.877499][ T72] netlink_sendmsg+0x723/0xbe0 [ 3548.877499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3548.877499][ T72] ___sys_sendmsg+0xee/0x170 [ 3548.877499][ T72] __sys_sendmsg+0xcd/0x170 [ 3548.877499][ T72] do_syscall_64+0xc6/0x1e0 [ 3548.877499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.877499][ T72] [ 3559.128999][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3559.129863][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3559.129863][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3559.129863][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3559.129863][ T72] fib6_nh_init+0xa22/0x1580 [ 3559.129863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.129863][ T72] ip6_route_add+0x1c/0x140 [ 3559.129863][ T72] inet6_rtm_newroute+0x104/0x110 [ 3559.129863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.129863][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.129863][ T72] netlink_unicast+0x449/0x710 [ 3559.129863][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.129863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.129863][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.129863][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.129863][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.129863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.129863][ T72] [ 3559.131733][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3559.131733][ T72] dst_init+0x84/0x4a0 [ 3559.131733][ T72] dst_alloc+0x97/0x150 [ 3559.131733][ T72] ip6_dst_alloc+0x23/0x90 [ 3559.131733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3559.131733][ T72] ip6_pol_route+0x56f/0x840 [ 3559.131733][ T72] fib6_rule_lookup+0x456/0x630 [ 3559.131733][ T72] ip6_route_input+0x59c/0xa50 [ 3559.131733][ T72] ipv6_rcv+0x397/0x810 [ 3559.131733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3559.131733][ T72] process_backlog+0x101/0x620 [ 3559.131733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3559.131733][ T72] net_rx_action+0x495/0xbe0 [ 3559.131733][ T72] __do_softirq+0x1b5/0x7f6 [ 3559.131733][ T72] [ 3559.133346][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3559.133346][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.133346][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.133346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.133346][ T72] ip6_route_add+0x1c/0x140 [ 3559.133346][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3559.133346][ T72] inet6_addr_add+0x4f8/0xa40 [ 3559.133346][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.133346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.133346][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.133346][ T72] netlink_unicast+0x449/0x710 [ 3559.133346][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.133346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.133346][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.133346][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.133346][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.133346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.133346][ T72] [ 3559.135276][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3559.135276][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.135276][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.135276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.135276][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3559.135276][ T72] ipv6_add_addr+0x411/0x2000 [ 3559.135276][ T72] inet6_addr_add+0x30e/0xa40 [ 3559.135276][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.135276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.135276][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.135276][ T72] netlink_unicast+0x449/0x710 [ 3559.135276][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.135276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.135276][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.135276][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.135276][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.135276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.135276][ T72] [ 3559.137271][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3559.137271][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.137271][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.137271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.137271][ T72] ip6_route_add+0x1c/0x140 [ 3559.137271][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3559.137271][ T72] addrconf_add_dev+0xe2/0x170 [ 3559.137271][ T72] inet6_addr_add+0x12f/0xa40 [ 3559.137271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.137271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.137271][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.137271][ T72] netlink_unicast+0x449/0x710 [ 3559.137271][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.137271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.137271][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.137271][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.137271][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.137271][ T72] [ 3559.139241][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3559.139241][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3559.139241][ T72] ipv6_find_idev+0x102/0x170 [ 3559.139241][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.139241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.139241][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.139241][ T72] netlink_unicast+0x449/0x710 [ 3559.139241][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.139241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.139241][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.139241][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.139241][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.139241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.139241][ T72] [ 3559.140808][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3559.140808][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3559.140808][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3559.140808][ T72] ipv6_find_idev+0x102/0x170 [ 3559.140808][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.140808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.140808][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.140808][ T72] netlink_unicast+0x449/0x710 [ 3559.140808][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.140808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.140808][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.140808][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.140808][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.140808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.140808][ T72] [ 3559.142551][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3559.142827][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3559.142827][ T72] dst_init+0x84/0x4a0 [ 3559.142827][ T72] dst_alloc+0x97/0x150 [ 3559.142827][ T72] ip6_dst_alloc+0x23/0x90 [ 3559.142827][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3559.142827][ T72] ip6_pol_route+0x56f/0x840 [ 3559.142827][ T72] fib6_rule_lookup+0x456/0x630 [ 3559.142827][ T72] ip6_route_input+0x59c/0xa50 [ 3559.142827][ T72] ipv6_rcv+0x397/0x810 [ 3559.142827][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3559.142827][ T72] process_backlog+0x101/0x620 [ 3559.142827][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3559.142827][ T72] net_rx_action+0x495/0xbe0 [ 3559.142827][ T72] __do_softirq+0x1b5/0x7f6 [ 3559.142827][ T72] [ 3559.144499][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3559.144499][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.144499][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.144499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.144499][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3559.144499][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3559.144499][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3559.144499][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3559.144499][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3559.144499][ T72] addrconf_dad_begin+0x310/0x670 [ 3559.144499][ T72] addrconf_dad_work+0x10b/0xab0 [ 3559.144499][ T72] process_one_work+0x84d/0x18a0 [ 3559.144499][ T72] worker_thread+0x587/0xd30 [ 3559.144499][ T72] kthread+0x28a/0x350 [ 3559.144499][ T72] ret_from_fork+0x31/0x70 [ 3559.144499][ T72] ret_from_fork_asm+0x1a/0x30 [ 3559.144499][ T72] [ 3559.146404][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3559.146404][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.146404][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.146404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.146404][ T72] ip6_route_add+0x1c/0x140 [ 3559.146404][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3559.146404][ T72] inet6_addr_add+0x4f8/0xa40 [ 3559.146404][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.146404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.146404][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.146404][ T72] netlink_unicast+0x449/0x710 [ 3559.146404][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.146404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.146404][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.146404][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.146404][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.146404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.146404][ T72] [ 3559.148375][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3559.148375][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.148375][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.148375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.148375][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3559.148375][ T72] ipv6_add_addr+0x411/0x2000 [ 3559.148375][ T72] inet6_addr_add+0x30e/0xa40 [ 3559.148375][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.148375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.148375][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.148375][ T72] netlink_unicast+0x449/0x710 [ 3559.148375][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.148375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.148375][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.148375][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.148375][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.148375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.148375][ T72] [ 3559.150320][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3559.150320][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.150320][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.150320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.150320][ T72] ip6_route_add+0x1c/0x140 [ 3559.150320][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3559.150320][ T72] addrconf_add_dev+0xe2/0x170 [ 3559.150320][ T72] inet6_addr_add+0x12f/0xa40 [ 3559.150320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.150320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.150320][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.150320][ T72] netlink_unicast+0x449/0x710 [ 3559.150320][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.150320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.150320][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.150320][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.150320][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.150320][ T72] [ 3559.152275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3559.152275][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3559.152275][ T72] ipv6_find_idev+0x102/0x170 [ 3559.152275][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.152275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.152275][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.152275][ T72] netlink_unicast+0x449/0x710 [ 3559.152275][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.152275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.152275][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.152275][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.152275][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.152275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.152275][ T72] [ 3559.153792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3559.153792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3559.153792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3559.153792][ T72] ipv6_find_idev+0x102/0x170 [ 3559.153792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.153792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.153792][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.153792][ T72] netlink_unicast+0x449/0x710 [ 3559.153792][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.153792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.153792][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.153792][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.153792][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.153792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.153792][ T72] [ 3559.155591][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3559.155869][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3559.155869][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3559.155869][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3559.155869][ T72] fib6_nh_init+0xa22/0x1580 [ 3559.155869][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.155869][ T72] ip6_route_add+0x1c/0x140 [ 3559.155869][ T72] inet6_rtm_newroute+0x104/0x110 [ 3559.155869][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.155869][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.155869][ T72] netlink_unicast+0x449/0x710 [ 3559.155869][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.155869][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.155869][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.155869][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.155869][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.155869][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.155869][ T72] [ 3559.158053][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3559.158053][ T72] dst_init+0x84/0x4a0 [ 3559.158053][ T72] dst_alloc+0x97/0x150 [ 3559.158053][ T72] ip6_dst_alloc+0x23/0x90 [ 3559.158053][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3559.158053][ T72] ip6_pol_route+0x56f/0x840 [ 3559.158053][ T72] fib6_rule_lookup+0x456/0x630 [ 3559.158053][ T72] ip6_route_input+0x59c/0xa50 [ 3559.158053][ T72] ipv6_rcv+0x397/0x810 [ 3559.158053][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3559.158053][ T72] process_backlog+0x101/0x620 [ 3559.158053][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3559.158053][ T72] net_rx_action+0x495/0xbe0 [ 3559.158053][ T72] __do_softirq+0x1b5/0x7f6 [ 3559.158053][ T72] [ 3559.159863][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3559.159863][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.159863][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.159863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.159863][ T72] ip6_route_add+0x1c/0x140 [ 3559.159863][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3559.159863][ T72] inet6_addr_add+0x4f8/0xa40 [ 3559.159863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.159863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.159863][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.159863][ T72] netlink_unicast+0x449/0x710 [ 3559.159863][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.159863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.159863][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.159863][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.159863][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.159863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.159863][ T72] [ 3559.162088][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3559.162088][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.162088][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.162088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.162088][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3559.162088][ T72] ipv6_add_addr+0x411/0x2000 [ 3559.162088][ T72] inet6_addr_add+0x30e/0xa40 [ 3559.162088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.162088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.162088][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.162088][ T72] netlink_unicast+0x449/0x710 [ 3559.162088][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.162088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.162088][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.162088][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.162088][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.162088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.162088][ T72] [ 3559.164245][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3559.164245][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.164245][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.164245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.164245][ T72] ip6_route_add+0x1c/0x140 [ 3559.164245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3559.164245][ T72] addrconf_add_dev+0xe2/0x170 [ 3559.164245][ T72] inet6_addr_add+0x12f/0xa40 [ 3559.164245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.164245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.164245][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.164245][ T72] netlink_unicast+0x449/0x710 [ 3559.164245][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.164245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.164245][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.164245][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.164245][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.164245][ T72] [ 3559.166652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3559.166652][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3559.166652][ T72] ipv6_find_idev+0x102/0x170 [ 3559.166652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.166652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.166652][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.166652][ T72] netlink_unicast+0x449/0x710 [ 3559.166652][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.166652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.166652][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.166652][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.166652][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.166652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.166652][ T72] [ 3559.168354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3559.168354][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3559.168354][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3559.168354][ T72] ipv6_find_idev+0x102/0x170 [ 3559.168354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.168354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.168354][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.168354][ T72] netlink_unicast+0x449/0x710 [ 3559.168354][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.168354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.168354][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.168354][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.168354][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.168354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.168354][ T72] [ 3559.170252][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3559.170592][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3559.170592][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.170592][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.170592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.170592][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3559.170592][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3559.170592][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3559.170592][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3559.170592][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3559.170592][ T72] addrconf_dad_begin+0x310/0x670 [ 3559.170592][ T72] addrconf_dad_work+0x10b/0xab0 [ 3559.170592][ T72] process_one_work+0x84d/0x18a0 [ 3559.170592][ T72] worker_thread+0x587/0xd30 [ 3559.170592][ T72] kthread+0x28a/0x350 [ 3559.170592][ T72] ret_from_fork+0x31/0x70 [ 3559.170592][ T72] ret_from_fork_asm+0x1a/0x30 [ 3559.170592][ T72] [ 3559.172629][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3559.172629][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.172629][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.172629][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.172629][ T72] ip6_route_add+0x1c/0x140 [ 3559.172629][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3559.172629][ T72] inet6_addr_add+0x4f8/0xa40 [ 3559.172629][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.172629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.172629][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.172629][ T72] netlink_unicast+0x449/0x710 [ 3559.172629][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.172629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.172629][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.172629][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.172629][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.172629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.172629][ T72] [ 3559.175402][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3559.175402][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.175402][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.175402][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.175402][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3559.175402][ T72] ipv6_add_addr+0x411/0x2000 [ 3559.175402][ T72] inet6_addr_add+0x30e/0xa40 [ 3559.175402][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.175402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.175402][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.175402][ T72] netlink_unicast+0x449/0x710 [ 3559.175402][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.175402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.175402][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.175402][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.175402][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.175402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.175402][ T72] [ 3559.177677][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3559.177677][ T72] netdev_get_by_index+0x5e/0x80 [ 3559.177677][ T72] fib6_nh_init+0x3d8/0x1580 [ 3559.177677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3559.177677][ T72] ip6_route_add+0x1c/0x140 [ 3559.177677][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3559.177677][ T72] addrconf_add_dev+0xe2/0x170 [ 3559.177677][ T72] inet6_addr_add+0x12f/0xa40 [ 3559.177677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.177677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.177677][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.177677][ T72] netlink_unicast+0x449/0x710 [ 3559.177677][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.177677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.177677][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.177677][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.177677][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.177677][ T72] [ 3559.179883][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3559.179883][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3559.179883][ T72] ipv6_find_idev+0x102/0x170 [ 3559.179883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.179883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.179883][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.179883][ T72] netlink_unicast+0x449/0x710 [ 3559.179883][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.179883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.179883][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.179883][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.179883][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.179883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.179883][ T72] [ 3559.181612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3559.181612][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3559.181612][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3559.181612][ T72] ipv6_find_idev+0x102/0x170 [ 3559.181612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.181612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.181612][ T72] netlink_rcv_skb+0x130/0x360 [ 3559.181612][ T72] netlink_unicast+0x449/0x710 [ 3559.181612][ T72] netlink_sendmsg+0x723/0xbe0 [ 3559.181612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3559.181612][ T72] ___sys_sendmsg+0xee/0x170 [ 3559.181612][ T72] __sys_sendmsg+0xcd/0x170 [ 3559.181612][ T72] do_syscall_64+0xc6/0x1e0 [ 3559.181612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.181612][ T72] [ 3569.424950][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3569.425494][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3569.425494][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3569.425494][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3569.425494][ T72] fib6_nh_init+0xa22/0x1580 [ 3569.425494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.425494][ T72] ip6_route_add+0x1c/0x140 [ 3569.425494][ T72] inet6_rtm_newroute+0x104/0x110 [ 3569.425494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.425494][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.425494][ T72] netlink_unicast+0x449/0x710 [ 3569.425494][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.425494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.425494][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.425494][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.425494][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.425494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.425494][ T72] [ 3569.427400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3569.427400][ T72] dst_init+0x84/0x4a0 [ 3569.427400][ T72] dst_alloc+0x97/0x150 [ 3569.427400][ T72] ip6_dst_alloc+0x23/0x90 [ 3569.427400][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3569.427400][ T72] ip6_pol_route+0x56f/0x840 [ 3569.427400][ T72] fib6_rule_lookup+0x456/0x630 [ 3569.427400][ T72] ip6_route_input+0x59c/0xa50 [ 3569.427400][ T72] ipv6_rcv+0x397/0x810 [ 3569.427400][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3569.427400][ T72] process_backlog+0x101/0x620 [ 3569.427400][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3569.427400][ T72] net_rx_action+0x495/0xbe0 [ 3569.427400][ T72] __do_softirq+0x1b5/0x7f6 [ 3569.427400][ T72] [ 3569.428948][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3569.428948][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.428948][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.428948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.428948][ T72] ip6_route_add+0x1c/0x140 [ 3569.428948][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3569.428948][ T72] inet6_addr_add+0x4f8/0xa40 [ 3569.428948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.428948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.428948][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.428948][ T72] netlink_unicast+0x449/0x710 [ 3569.428948][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.428948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.428948][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.428948][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.428948][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.428948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.428948][ T72] [ 3569.430880][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3569.430880][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.430880][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.430880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.430880][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3569.430880][ T72] ipv6_add_addr+0x411/0x2000 [ 3569.430880][ T72] inet6_addr_add+0x30e/0xa40 [ 3569.430880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.430880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.430880][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.430880][ T72] netlink_unicast+0x449/0x710 [ 3569.430880][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.430880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.430880][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.430880][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.430880][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.430880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.430880][ T72] [ 3569.433344][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3569.433344][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.433344][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.433344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.433344][ T72] ip6_route_add+0x1c/0x140 [ 3569.433344][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3569.433344][ T72] addrconf_add_dev+0xe2/0x170 [ 3569.433344][ T72] inet6_addr_add+0x12f/0xa40 [ 3569.433344][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.433344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.433344][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.433344][ T72] netlink_unicast+0x449/0x710 [ 3569.433344][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.433344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.433344][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.433344][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.433344][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.433344][ T72] [ 3569.435311][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3569.435311][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3569.435311][ T72] ipv6_find_idev+0x102/0x170 [ 3569.435311][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.435311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.435311][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.435311][ T72] netlink_unicast+0x449/0x710 [ 3569.435311][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.435311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.435311][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.435311][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.435311][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.435311][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.435311][ T72] [ 3569.436815][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3569.436815][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3569.436815][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3569.436815][ T72] ipv6_find_idev+0x102/0x170 [ 3569.436815][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.436815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.436815][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.436815][ T72] netlink_unicast+0x449/0x710 [ 3569.436815][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.436815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.436815][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.436815][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.436815][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.436815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.436815][ T72] [ 3569.438541][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3569.438827][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3569.438827][ T72] dst_init+0x84/0x4a0 [ 3569.438827][ T72] dst_alloc+0x97/0x150 [ 3569.438827][ T72] ip6_dst_alloc+0x23/0x90 [ 3569.438827][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3569.438827][ T72] ip6_pol_route+0x56f/0x840 [ 3569.438827][ T72] fib6_rule_lookup+0x456/0x630 [ 3569.438827][ T72] ip6_route_input+0x59c/0xa50 [ 3569.438827][ T72] ipv6_rcv+0x397/0x810 [ 3569.438827][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3569.438827][ T72] process_backlog+0x101/0x620 [ 3569.438827][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3569.438827][ T72] net_rx_action+0x495/0xbe0 [ 3569.438827][ T72] __do_softirq+0x1b5/0x7f6 [ 3569.438827][ T72] [ 3569.440426][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3569.440426][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.440426][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.440426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.440426][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3569.440426][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3569.440426][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3569.440426][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3569.440426][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3569.440426][ T72] addrconf_dad_begin+0x310/0x670 [ 3569.440426][ T72] addrconf_dad_work+0x10b/0xab0 [ 3569.440426][ T72] process_one_work+0x84d/0x18a0 [ 3569.440426][ T72] worker_thread+0x587/0xd30 [ 3569.440426][ T72] kthread+0x28a/0x350 [ 3569.440426][ T72] ret_from_fork+0x31/0x70 [ 3569.440426][ T72] ret_from_fork_asm+0x1a/0x30 [ 3569.440426][ T72] [ 3569.442342][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3569.442342][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.442342][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.442342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.442342][ T72] ip6_route_add+0x1c/0x140 [ 3569.442342][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3569.442342][ T72] inet6_addr_add+0x4f8/0xa40 [ 3569.442342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.442342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.442342][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.442342][ T72] netlink_unicast+0x449/0x710 [ 3569.442342][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.442342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.442342][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.442342][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.442342][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.442342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.442342][ T72] [ 3569.444339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3569.444339][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.444339][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.444339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.444339][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3569.444339][ T72] ipv6_add_addr+0x411/0x2000 [ 3569.444339][ T72] inet6_addr_add+0x30e/0xa40 [ 3569.444339][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.444339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.444339][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.444339][ T72] netlink_unicast+0x449/0x710 [ 3569.444339][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.444339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.444339][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.444339][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.444339][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.444339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.444339][ T72] [ 3569.446300][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3569.446300][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.446300][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.446300][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.446300][ T72] ip6_route_add+0x1c/0x140 [ 3569.446300][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3569.446300][ T72] addrconf_add_dev+0xe2/0x170 [ 3569.446300][ T72] inet6_addr_add+0x12f/0xa40 [ 3569.446300][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.446300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.446300][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.446300][ T72] netlink_unicast+0x449/0x710 [ 3569.446300][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.446300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.446300][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.446300][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.446300][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.446300][ T72] [ 3569.448211][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3569.448211][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3569.448211][ T72] ipv6_find_idev+0x102/0x170 [ 3569.448211][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.448211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.448211][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.448211][ T72] netlink_unicast+0x449/0x710 [ 3569.448211][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.448211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.448211][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.448211][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.448211][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.448211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.448211][ T72] [ 3569.449734][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3569.449734][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3569.449734][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3569.449734][ T72] ipv6_find_idev+0x102/0x170 [ 3569.449734][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.449734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.449734][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.449734][ T72] netlink_unicast+0x449/0x710 [ 3569.449734][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.449734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.449734][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.449734][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.449734][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.449734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.449734][ T72] [ 3569.451562][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3569.451855][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3569.451855][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3569.451855][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3569.451855][ T72] fib6_nh_init+0xa22/0x1580 [ 3569.451855][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.451855][ T72] ip6_route_add+0x1c/0x140 [ 3569.451855][ T72] inet6_rtm_newroute+0x104/0x110 [ 3569.451855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.451855][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.451855][ T72] netlink_unicast+0x449/0x710 [ 3569.451855][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.451855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.451855][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.451855][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.451855][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.451855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.451855][ T72] [ 3569.454068][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3569.454068][ T72] dst_init+0x84/0x4a0 [ 3569.454068][ T72] dst_alloc+0x97/0x150 [ 3569.454068][ T72] ip6_dst_alloc+0x23/0x90 [ 3569.454068][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3569.454068][ T72] ip6_pol_route+0x56f/0x840 [ 3569.454068][ T72] fib6_rule_lookup+0x456/0x630 [ 3569.454068][ T72] ip6_route_input+0x59c/0xa50 [ 3569.454068][ T72] ipv6_rcv+0x397/0x810 [ 3569.454068][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3569.454068][ T72] process_backlog+0x101/0x620 [ 3569.454068][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3569.454068][ T72] net_rx_action+0x495/0xbe0 [ 3569.454068][ T72] __do_softirq+0x1b5/0x7f6 [ 3569.454068][ T72] [ 3569.455878][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3569.455878][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.455878][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.455878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.455878][ T72] ip6_route_add+0x1c/0x140 [ 3569.455878][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3569.455878][ T72] inet6_addr_add+0x4f8/0xa40 [ 3569.455878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.455878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.455878][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.455878][ T72] netlink_unicast+0x449/0x710 [ 3569.455878][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.455878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.455878][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.455878][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.455878][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.455878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.455878][ T72] [ 3569.458132][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3569.458132][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.458132][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.458132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.458132][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3569.458132][ T72] ipv6_add_addr+0x411/0x2000 [ 3569.458132][ T72] inet6_addr_add+0x30e/0xa40 [ 3569.458132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.458132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.458132][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.458132][ T72] netlink_unicast+0x449/0x710 [ 3569.458132][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.458132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.458132][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.458132][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.458132][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.458132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.458132][ T72] [ 3569.460296][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3569.460296][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.460296][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.460296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.460296][ T72] ip6_route_add+0x1c/0x140 [ 3569.460296][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3569.460296][ T72] addrconf_add_dev+0xe2/0x170 [ 3569.460296][ T72] inet6_addr_add+0x12f/0xa40 [ 3569.460296][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.460296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.460296][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.460296][ T72] netlink_unicast+0x449/0x710 [ 3569.460296][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.460296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.460296][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.460296][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.460296][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.460296][ T72] [ 3569.462607][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3569.462607][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3569.462607][ T72] ipv6_find_idev+0x102/0x170 [ 3569.462607][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.462607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.462607][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.462607][ T72] netlink_unicast+0x449/0x710 [ 3569.462607][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.462607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.462607][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.462607][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.462607][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.462607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.462607][ T72] [ 3569.464349][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3569.464349][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3569.464349][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3569.464349][ T72] ipv6_find_idev+0x102/0x170 [ 3569.464349][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.464349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.464349][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.464349][ T72] netlink_unicast+0x449/0x710 [ 3569.464349][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.464349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.464349][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.464349][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.464349][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.464349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.464349][ T72] [ 3569.466364][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3569.466702][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3569.466702][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.466702][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.466702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.466702][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3569.466702][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3569.466702][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3569.466702][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3569.466702][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3569.466702][ T72] addrconf_dad_begin+0x310/0x670 [ 3569.466702][ T72] addrconf_dad_work+0x10b/0xab0 [ 3569.466702][ T72] process_one_work+0x84d/0x18a0 [ 3569.466702][ T72] worker_thread+0x587/0xd30 [ 3569.466702][ T72] kthread+0x28a/0x350 [ 3569.466702][ T72] ret_from_fork+0x31/0x70 [ 3569.466702][ T72] ret_from_fork_asm+0x1a/0x30 [ 3569.466702][ T72] [ 3569.468724][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3569.468724][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.468724][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.468724][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.468724][ T72] ip6_route_add+0x1c/0x140 [ 3569.468724][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3569.468724][ T72] inet6_addr_add+0x4f8/0xa40 [ 3569.468724][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.468724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.468724][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.468724][ T72] netlink_unicast+0x449/0x710 [ 3569.468724][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.468724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.468724][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.468724][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.468724][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.468724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.468724][ T72] [ 3569.470967][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3569.470967][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.470967][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.470967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.470967][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3569.470967][ T72] ipv6_add_addr+0x411/0x2000 [ 3569.470967][ T72] inet6_addr_add+0x30e/0xa40 [ 3569.470967][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.470967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.470967][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.470967][ T72] netlink_unicast+0x449/0x710 [ 3569.470967][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.470967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.470967][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.470967][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.470967][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.470967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.470967][ T72] [ 3569.473311][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3569.473311][ T72] netdev_get_by_index+0x5e/0x80 [ 3569.473311][ T72] fib6_nh_init+0x3d8/0x1580 [ 3569.473311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3569.473311][ T72] ip6_route_add+0x1c/0x140 [ 3569.473311][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3569.473311][ T72] addrconf_add_dev+0xe2/0x170 [ 3569.473311][ T72] inet6_addr_add+0x12f/0xa40 [ 3569.473311][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.473311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.473311][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.473311][ T72] netlink_unicast+0x449/0x710 [ 3569.473311][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.473311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.473311][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.473311][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.473311][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.473311][ T72] [ 3569.475523][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3569.475523][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3569.475523][ T72] ipv6_find_idev+0x102/0x170 [ 3569.475523][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.475523][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.475523][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.475523][ T72] netlink_unicast+0x449/0x710 [ 3569.475523][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.475523][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.475523][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.475523][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.475523][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.475523][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.475523][ T72] [ 3569.477270][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3569.477270][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3569.477270][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3569.477270][ T72] ipv6_find_idev+0x102/0x170 [ 3569.477270][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.477270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.477270][ T72] netlink_rcv_skb+0x130/0x360 [ 3569.477270][ T72] netlink_unicast+0x449/0x710 [ 3569.477270][ T72] netlink_sendmsg+0x723/0xbe0 [ 3569.477270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3569.477270][ T72] ___sys_sendmsg+0xee/0x170 [ 3569.477270][ T72] __sys_sendmsg+0xcd/0x170 [ 3569.477270][ T72] do_syscall_64+0xc6/0x1e0 [ 3569.477270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.477270][ T72] [ 3579.656997][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3579.657801][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3579.657801][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3579.657801][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3579.657801][ T72] fib6_nh_init+0xa22/0x1580 [ 3579.657801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.657801][ T72] ip6_route_add+0x1c/0x140 [ 3579.657801][ T72] inet6_rtm_newroute+0x104/0x110 [ 3579.657801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.657801][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.657801][ T72] netlink_unicast+0x449/0x710 [ 3579.657801][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.657801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.657801][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.657801][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.657801][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.657801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.657801][ T72] [ 3579.659589][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3579.659589][ T72] dst_init+0x84/0x4a0 [ 3579.659589][ T72] dst_alloc+0x97/0x150 [ 3579.659589][ T72] ip6_dst_alloc+0x23/0x90 [ 3579.659589][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3579.659589][ T72] ip6_pol_route+0x56f/0x840 [ 3579.659589][ T72] fib6_rule_lookup+0x456/0x630 [ 3579.659589][ T72] ip6_route_input+0x59c/0xa50 [ 3579.659589][ T72] ipv6_rcv+0x397/0x810 [ 3579.659589][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3579.659589][ T72] process_backlog+0x101/0x620 [ 3579.659589][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3579.659589][ T72] net_rx_action+0x495/0xbe0 [ 3579.659589][ T72] __do_softirq+0x1b5/0x7f6 [ 3579.659589][ T72] [ 3579.661197][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3579.661197][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.661197][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.661197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.661197][ T72] ip6_route_add+0x1c/0x140 [ 3579.661197][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3579.661197][ T72] inet6_addr_add+0x4f8/0xa40 [ 3579.661197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.661197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.661197][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.661197][ T72] netlink_unicast+0x449/0x710 [ 3579.661197][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.661197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.661197][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.661197][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.661197][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.661197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.661197][ T72] [ 3579.663113][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3579.663113][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.663113][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.663113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.663113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3579.663113][ T72] ipv6_add_addr+0x411/0x2000 [ 3579.663113][ T72] inet6_addr_add+0x30e/0xa40 [ 3579.663113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.663113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.663113][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.663113][ T72] netlink_unicast+0x449/0x710 [ 3579.663113][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.663113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.663113][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.663113][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.663113][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.663113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.663113][ T72] [ 3579.665347][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3579.665347][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.665347][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.665347][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.665347][ T72] ip6_route_add+0x1c/0x140 [ 3579.665347][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3579.665347][ T72] addrconf_add_dev+0xe2/0x170 [ 3579.665347][ T72] inet6_addr_add+0x12f/0xa40 [ 3579.665347][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.665347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.665347][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.665347][ T72] netlink_unicast+0x449/0x710 [ 3579.665347][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.665347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.665347][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.665347][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.665347][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.665347][ T72] [ 3579.667256][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3579.667256][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3579.667256][ T72] ipv6_find_idev+0x102/0x170 [ 3579.667256][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.667256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.667256][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.667256][ T72] netlink_unicast+0x449/0x710 [ 3579.667256][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.667256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.667256][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.667256][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.667256][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.667256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.667256][ T72] [ 3579.668720][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3579.668720][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3579.668720][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3579.668720][ T72] ipv6_find_idev+0x102/0x170 [ 3579.668720][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.668720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.668720][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.668720][ T72] netlink_unicast+0x449/0x710 [ 3579.668720][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.668720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.668720][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.668720][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.668720][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.668720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.668720][ T72] [ 3579.670405][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3579.670699][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3579.670699][ T72] dst_init+0x84/0x4a0 [ 3579.670699][ T72] dst_alloc+0x97/0x150 [ 3579.670699][ T72] ip6_dst_alloc+0x23/0x90 [ 3579.670699][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3579.670699][ T72] ip6_pol_route+0x56f/0x840 [ 3579.670699][ T72] fib6_rule_lookup+0x456/0x630 [ 3579.670699][ T72] ip6_route_input+0x59c/0xa50 [ 3579.670699][ T72] ipv6_rcv+0x397/0x810 [ 3579.670699][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3579.670699][ T72] process_backlog+0x101/0x620 [ 3579.670699][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3579.670699][ T72] net_rx_action+0x495/0xbe0 [ 3579.670699][ T72] __do_softirq+0x1b5/0x7f6 [ 3579.670699][ T72] [ 3579.672364][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3579.672364][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.672364][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.672364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.672364][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3579.672364][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3579.672364][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3579.672364][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3579.672364][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3579.672364][ T72] addrconf_dad_begin+0x310/0x670 [ 3579.672364][ T72] addrconf_dad_work+0x10b/0xab0 [ 3579.672364][ T72] process_one_work+0x84d/0x18a0 [ 3579.672364][ T72] worker_thread+0x587/0xd30 [ 3579.672364][ T72] kthread+0x28a/0x350 [ 3579.672364][ T72] ret_from_fork+0x31/0x70 [ 3579.672364][ T72] ret_from_fork_asm+0x1a/0x30 [ 3579.672364][ T72] [ 3579.674350][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3579.674350][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.674350][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.674350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.674350][ T72] ip6_route_add+0x1c/0x140 [ 3579.674350][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3579.674350][ T72] inet6_addr_add+0x4f8/0xa40 [ 3579.674350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.674350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.674350][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.674350][ T72] netlink_unicast+0x449/0x710 [ 3579.674350][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.674350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.674350][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.674350][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.674350][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.674350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.674350][ T72] [ 3579.676353][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3579.676353][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.676353][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.676353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.676353][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3579.676353][ T72] ipv6_add_addr+0x411/0x2000 [ 3579.676353][ T72] inet6_addr_add+0x30e/0xa40 [ 3579.676353][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.676353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.676353][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.676353][ T72] netlink_unicast+0x449/0x710 [ 3579.676353][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.676353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.676353][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.676353][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.676353][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.676353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.676353][ T72] [ 3579.678371][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3579.678371][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.678371][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.678371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.678371][ T72] ip6_route_add+0x1c/0x140 [ 3579.678371][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3579.678371][ T72] addrconf_add_dev+0xe2/0x170 [ 3579.678371][ T72] inet6_addr_add+0x12f/0xa40 [ 3579.678371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.678371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.678371][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.678371][ T72] netlink_unicast+0x449/0x710 [ 3579.678371][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.678371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.678371][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.678371][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.678371][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.678371][ T72] [ 3579.680358][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3579.680358][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3579.680358][ T72] ipv6_find_idev+0x102/0x170 [ 3579.680358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.680358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.680358][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.680358][ T72] netlink_unicast+0x449/0x710 [ 3579.680358][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.680358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.680358][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.680358][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.680358][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.680358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.680358][ T72] [ 3579.681912][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3579.681912][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3579.681912][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3579.681912][ T72] ipv6_find_idev+0x102/0x170 [ 3579.681912][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.681912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.681912][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.681912][ T72] netlink_unicast+0x449/0x710 [ 3579.681912][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.681912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.681912][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.681912][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.681912][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.681912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.681912][ T72] [ 3579.683700][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3579.683984][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3579.683984][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3579.683984][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3579.683984][ T72] fib6_nh_init+0xa22/0x1580 [ 3579.683984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.683984][ T72] ip6_route_add+0x1c/0x140 [ 3579.683984][ T72] inet6_rtm_newroute+0x104/0x110 [ 3579.683984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.683984][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.683984][ T72] netlink_unicast+0x449/0x710 [ 3579.683984][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.683984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.683984][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.683984][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.683984][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.683984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.683984][ T72] [ 3579.686196][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3579.686196][ T72] dst_init+0x84/0x4a0 [ 3579.686196][ T72] dst_alloc+0x97/0x150 [ 3579.686196][ T72] ip6_dst_alloc+0x23/0x90 [ 3579.686196][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3579.686196][ T72] ip6_pol_route+0x56f/0x840 [ 3579.686196][ T72] fib6_rule_lookup+0x456/0x630 [ 3579.686196][ T72] ip6_route_input+0x59c/0xa50 [ 3579.686196][ T72] ipv6_rcv+0x397/0x810 [ 3579.686196][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3579.686196][ T72] process_backlog+0x101/0x620 [ 3579.686196][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3579.686196][ T72] net_rx_action+0x495/0xbe0 [ 3579.686196][ T72] __do_softirq+0x1b5/0x7f6 [ 3579.686196][ T72] [ 3579.688013][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3579.688013][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.688013][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.688013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.688013][ T72] ip6_route_add+0x1c/0x140 [ 3579.688013][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3579.688013][ T72] inet6_addr_add+0x4f8/0xa40 [ 3579.688013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.688013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.688013][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.688013][ T72] netlink_unicast+0x449/0x710 [ 3579.688013][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.688013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.688013][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.688013][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.688013][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.688013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.688013][ T72] [ 3579.690202][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3579.690202][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.690202][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.690202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.690202][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3579.690202][ T72] ipv6_add_addr+0x411/0x2000 [ 3579.690202][ T72] inet6_addr_add+0x30e/0xa40 [ 3579.690202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.690202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.690202][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.690202][ T72] netlink_unicast+0x449/0x710 [ 3579.690202][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.690202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.690202][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.690202][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.690202][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.690202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.690202][ T72] [ 3579.692382][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3579.692382][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.692382][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.692382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.692382][ T72] ip6_route_add+0x1c/0x140 [ 3579.692382][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3579.692382][ T72] addrconf_add_dev+0xe2/0x170 [ 3579.692382][ T72] inet6_addr_add+0x12f/0xa40 [ 3579.692382][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.692382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.692382][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.692382][ T72] netlink_unicast+0x449/0x710 [ 3579.692382][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.692382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.692382][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.692382][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.692382][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.692382][ T72] [ 3579.694606][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3579.694606][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3579.694606][ T72] ipv6_find_idev+0x102/0x170 [ 3579.694606][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.694606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.694606][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.694606][ T72] netlink_unicast+0x449/0x710 [ 3579.694606][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.694606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.694606][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.694606][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.694606][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.694606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.694606][ T72] [ 3579.696281][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3579.696281][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3579.696281][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3579.696281][ T72] ipv6_find_idev+0x102/0x170 [ 3579.696281][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.696281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.696281][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.696281][ T72] netlink_unicast+0x449/0x710 [ 3579.696281][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.696281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.696281][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.696281][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.696281][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.696281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.696281][ T72] [ 3579.698151][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3579.698488][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3579.698488][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.698488][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.698488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.698488][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3579.698488][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3579.698488][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3579.698488][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3579.698488][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3579.698488][ T72] addrconf_dad_begin+0x310/0x670 [ 3579.698488][ T72] addrconf_dad_work+0x10b/0xab0 [ 3579.698488][ T72] process_one_work+0x84d/0x18a0 [ 3579.698488][ T72] worker_thread+0x587/0xd30 [ 3579.698488][ T72] kthread+0x28a/0x350 [ 3579.698488][ T72] ret_from_fork+0x31/0x70 [ 3579.698488][ T72] ret_from_fork_asm+0x1a/0x30 [ 3579.698488][ T72] [ 3579.700463][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3579.700463][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.700463][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.700463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.700463][ T72] ip6_route_add+0x1c/0x140 [ 3579.700463][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3579.700463][ T72] inet6_addr_add+0x4f8/0xa40 [ 3579.700463][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.700463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.700463][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.700463][ T72] netlink_unicast+0x449/0x710 [ 3579.700463][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.700463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.700463][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.700463][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.700463][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.700463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.700463][ T72] [ 3579.702726][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3579.702726][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.702726][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.702726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.702726][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3579.702726][ T72] ipv6_add_addr+0x411/0x2000 [ 3579.702726][ T72] inet6_addr_add+0x30e/0xa40 [ 3579.702726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.702726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.702726][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.702726][ T72] netlink_unicast+0x449/0x710 [ 3579.702726][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.702726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.702726][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.702726][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.702726][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.702726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.702726][ T72] [ 3579.705032][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3579.705032][ T72] netdev_get_by_index+0x5e/0x80 [ 3579.705032][ T72] fib6_nh_init+0x3d8/0x1580 [ 3579.705032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3579.705032][ T72] ip6_route_add+0x1c/0x140 [ 3579.705032][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3579.705032][ T72] addrconf_add_dev+0xe2/0x170 [ 3579.705032][ T72] inet6_addr_add+0x12f/0xa40 [ 3579.705032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.705032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.705032][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.705032][ T72] netlink_unicast+0x449/0x710 [ 3579.705032][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.705032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.705032][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.705032][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.705032][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.705032][ T72] [ 3579.707233][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3579.707233][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3579.707233][ T72] ipv6_find_idev+0x102/0x170 [ 3579.707233][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.707233][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.707233][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.707233][ T72] netlink_unicast+0x449/0x710 [ 3579.707233][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.707233][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.707233][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.707233][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.707233][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.707233][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.707233][ T72] [ 3579.708951][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3579.708951][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3579.708951][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3579.708951][ T72] ipv6_find_idev+0x102/0x170 [ 3579.708951][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.708951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.708951][ T72] netlink_rcv_skb+0x130/0x360 [ 3579.708951][ T72] netlink_unicast+0x449/0x710 [ 3579.708951][ T72] netlink_sendmsg+0x723/0xbe0 [ 3579.708951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3579.708951][ T72] ___sys_sendmsg+0xee/0x170 [ 3579.708951][ T72] __sys_sendmsg+0xcd/0x170 [ 3579.708951][ T72] do_syscall_64+0xc6/0x1e0 [ 3579.708951][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.708951][ T72] [ 3589.808994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3589.809835][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3589.809835][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3589.809835][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3589.809835][ T72] fib6_nh_init+0xa22/0x1580 [ 3589.809835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.809835][ T72] ip6_route_add+0x1c/0x140 [ 3589.809835][ T72] inet6_rtm_newroute+0x104/0x110 [ 3589.809835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.809835][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.809835][ T72] netlink_unicast+0x449/0x710 [ 3589.809835][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.809835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.809835][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.809835][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.809835][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.809835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.809835][ T72] [ 3589.811776][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3589.811776][ T72] dst_init+0x84/0x4a0 [ 3589.811776][ T72] dst_alloc+0x97/0x150 [ 3589.811776][ T72] ip6_dst_alloc+0x23/0x90 [ 3589.811776][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3589.811776][ T72] ip6_pol_route+0x56f/0x840 [ 3589.811776][ T72] fib6_rule_lookup+0x456/0x630 [ 3589.811776][ T72] ip6_route_input+0x59c/0xa50 [ 3589.811776][ T72] ipv6_rcv+0x397/0x810 [ 3589.811776][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3589.811776][ T72] process_backlog+0x101/0x620 [ 3589.811776][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3589.811776][ T72] net_rx_action+0x495/0xbe0 [ 3589.811776][ T72] __do_softirq+0x1b5/0x7f6 [ 3589.811776][ T72] [ 3589.813306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3589.813306][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.813306][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.813306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.813306][ T72] ip6_route_add+0x1c/0x140 [ 3589.813306][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3589.813306][ T72] inet6_addr_add+0x4f8/0xa40 [ 3589.813306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.813306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.813306][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.813306][ T72] netlink_unicast+0x449/0x710 [ 3589.813306][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.813306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.813306][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.813306][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.813306][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.813306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.813306][ T72] [ 3589.815311][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3589.815311][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.815311][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.815311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.815311][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3589.815311][ T72] ipv6_add_addr+0x411/0x2000 [ 3589.815311][ T72] inet6_addr_add+0x30e/0xa40 [ 3589.815311][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.815311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.815311][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.815311][ T72] netlink_unicast+0x449/0x710 [ 3589.815311][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.815311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.815311][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.815311][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.815311][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.815311][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.815311][ T72] [ 3589.817259][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3589.817259][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.817259][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.817259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.817259][ T72] ip6_route_add+0x1c/0x140 [ 3589.817259][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3589.817259][ T72] addrconf_add_dev+0xe2/0x170 [ 3589.817259][ T72] inet6_addr_add+0x12f/0xa40 [ 3589.817259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.817259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.817259][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.817259][ T72] netlink_unicast+0x449/0x710 [ 3589.817259][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.817259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.817259][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.817259][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.817259][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.817259][ T72] [ 3589.819165][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3589.819165][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3589.819165][ T72] ipv6_find_idev+0x102/0x170 [ 3589.819165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.819165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.819165][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.819165][ T72] netlink_unicast+0x449/0x710 [ 3589.819165][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.819165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.819165][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.819165][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.819165][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.819165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.819165][ T72] [ 3589.820685][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3589.820685][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3589.820685][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3589.820685][ T72] ipv6_find_idev+0x102/0x170 [ 3589.820685][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.820685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.820685][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.820685][ T72] netlink_unicast+0x449/0x710 [ 3589.820685][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.820685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.820685][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.820685][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.820685][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.820685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.820685][ T72] [ 3589.822367][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3589.822655][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3589.822655][ T72] dst_init+0x84/0x4a0 [ 3589.822655][ T72] dst_alloc+0x97/0x150 [ 3589.822655][ T72] ip6_dst_alloc+0x23/0x90 [ 3589.822655][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3589.822655][ T72] ip6_pol_route+0x56f/0x840 [ 3589.822655][ T72] fib6_rule_lookup+0x456/0x630 [ 3589.822655][ T72] ip6_route_input+0x59c/0xa50 [ 3589.822655][ T72] ipv6_rcv+0x397/0x810 [ 3589.822655][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3589.822655][ T72] process_backlog+0x101/0x620 [ 3589.822655][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3589.822655][ T72] net_rx_action+0x495/0xbe0 [ 3589.822655][ T72] __do_softirq+0x1b5/0x7f6 [ 3589.822655][ T72] [ 3589.824329][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3589.824329][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.824329][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.824329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.824329][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3589.824329][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3589.824329][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3589.824329][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3589.824329][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3589.824329][ T72] addrconf_dad_begin+0x310/0x670 [ 3589.824329][ T72] addrconf_dad_work+0x10b/0xab0 [ 3589.824329][ T72] process_one_work+0x84d/0x18a0 [ 3589.824329][ T72] worker_thread+0x587/0xd30 [ 3589.824329][ T72] kthread+0x28a/0x350 [ 3589.824329][ T72] ret_from_fork+0x31/0x70 [ 3589.824329][ T72] ret_from_fork_asm+0x1a/0x30 [ 3589.824329][ T72] [ 3589.826247][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3589.826247][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.826247][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.826247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.826247][ T72] ip6_route_add+0x1c/0x140 [ 3589.826247][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3589.826247][ T72] inet6_addr_add+0x4f8/0xa40 [ 3589.826247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.826247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.826247][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.826247][ T72] netlink_unicast+0x449/0x710 [ 3589.826247][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.826247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.826247][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.826247][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.826247][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.826247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.826247][ T72] [ 3589.828096][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3589.828096][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.828096][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.828096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.828096][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3589.828096][ T72] ipv6_add_addr+0x411/0x2000 [ 3589.828096][ T72] inet6_addr_add+0x30e/0xa40 [ 3589.828096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.828096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.828096][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.828096][ T72] netlink_unicast+0x449/0x710 [ 3589.828096][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.828096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.828096][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.828096][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.828096][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.828096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.828096][ T72] [ 3589.829956][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3589.829956][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.829956][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.829956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.829956][ T72] ip6_route_add+0x1c/0x140 [ 3589.829956][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3589.829956][ T72] addrconf_add_dev+0xe2/0x170 [ 3589.829956][ T72] inet6_addr_add+0x12f/0xa40 [ 3589.829956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.829956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.829956][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.829956][ T72] netlink_unicast+0x449/0x710 [ 3589.829956][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.829956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.829956][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.829956][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.829956][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.829956][ T72] [ 3589.831832][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3589.831832][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3589.831832][ T72] ipv6_find_idev+0x102/0x170 [ 3589.831832][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.831832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.831832][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.831832][ T72] netlink_unicast+0x449/0x710 [ 3589.831832][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.831832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.831832][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.831832][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.831832][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.831832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.831832][ T72] [ 3589.833337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3589.833337][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3589.833337][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3589.833337][ T72] ipv6_find_idev+0x102/0x170 [ 3589.833337][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.833337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.833337][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.833337][ T72] netlink_unicast+0x449/0x710 [ 3589.833337][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.833337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.833337][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.833337][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.833337][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.833337][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.833337][ T72] [ 3589.835115][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3589.835396][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3589.835396][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3589.835396][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3589.835396][ T72] fib6_nh_init+0xa22/0x1580 [ 3589.835396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.835396][ T72] ip6_route_add+0x1c/0x140 [ 3589.835396][ T72] inet6_rtm_newroute+0x104/0x110 [ 3589.835396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.835396][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.835396][ T72] netlink_unicast+0x449/0x710 [ 3589.835396][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.835396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.835396][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.835396][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.835396][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.835396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.835396][ T72] [ 3589.837559][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3589.837559][ T72] dst_init+0x84/0x4a0 [ 3589.837559][ T72] dst_alloc+0x97/0x150 [ 3589.837559][ T72] ip6_dst_alloc+0x23/0x90 [ 3589.837559][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3589.837559][ T72] ip6_pol_route+0x56f/0x840 [ 3589.837559][ T72] fib6_rule_lookup+0x456/0x630 [ 3589.837559][ T72] ip6_route_input+0x59c/0xa50 [ 3589.837559][ T72] ipv6_rcv+0x397/0x810 [ 3589.837559][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3589.837559][ T72] process_backlog+0x101/0x620 [ 3589.837559][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3589.837559][ T72] net_rx_action+0x495/0xbe0 [ 3589.837559][ T72] __do_softirq+0x1b5/0x7f6 [ 3589.837559][ T72] [ 3589.839382][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3589.839382][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.839382][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.839382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.839382][ T72] ip6_route_add+0x1c/0x140 [ 3589.839382][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3589.839382][ T72] inet6_addr_add+0x4f8/0xa40 [ 3589.839382][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.839382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.839382][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.839382][ T72] netlink_unicast+0x449/0x710 [ 3589.839382][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.839382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.839382][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.839382][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.839382][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.839382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.839382][ T72] [ 3589.841638][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3589.841638][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.841638][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.841638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.841638][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3589.841638][ T72] ipv6_add_addr+0x411/0x2000 [ 3589.841638][ T72] inet6_addr_add+0x30e/0xa40 [ 3589.841638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.841638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.841638][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.841638][ T72] netlink_unicast+0x449/0x710 [ 3589.841638][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.841638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.841638][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.841638][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.841638][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.841638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.841638][ T72] [ 3589.843762][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3589.843762][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.843762][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.843762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.843762][ T72] ip6_route_add+0x1c/0x140 [ 3589.843762][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3589.843762][ T72] addrconf_add_dev+0xe2/0x170 [ 3589.843762][ T72] inet6_addr_add+0x12f/0xa40 [ 3589.843762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.843762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.843762][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.843762][ T72] netlink_unicast+0x449/0x710 [ 3589.843762][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.843762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.843762][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.843762][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.843762][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.843762][ T72] [ 3589.846039][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3589.846039][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3589.846039][ T72] ipv6_find_idev+0x102/0x170 [ 3589.846039][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.846039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.846039][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.846039][ T72] netlink_unicast+0x449/0x710 [ 3589.846039][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.846039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.846039][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.846039][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.846039][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.846039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.846039][ T72] [ 3589.847713][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3589.847713][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3589.847713][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3589.847713][ T72] ipv6_find_idev+0x102/0x170 [ 3589.847713][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.847713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.847713][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.847713][ T72] netlink_unicast+0x449/0x710 [ 3589.847713][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.847713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.847713][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.847713][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.847713][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.847713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.847713][ T72] [ 3589.849531][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3589.850335][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3589.850335][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.850335][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.850335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.850335][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3589.850335][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3589.850335][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3589.850335][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3589.850335][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3589.850335][ T72] addrconf_dad_begin+0x310/0x670 [ 3589.850335][ T72] addrconf_dad_work+0x10b/0xab0 [ 3589.850335][ T72] process_one_work+0x84d/0x18a0 [ 3589.850335][ T72] worker_thread+0x587/0xd30 [ 3589.850335][ T72] kthread+0x28a/0x350 [ 3589.850335][ T72] ret_from_fork+0x31/0x70 [ 3589.850335][ T72] ret_from_fork_asm+0x1a/0x30 [ 3589.850335][ T72] [ 3589.852277][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3589.852277][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.852277][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.852277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.852277][ T72] ip6_route_add+0x1c/0x140 [ 3589.852277][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3589.852277][ T72] inet6_addr_add+0x4f8/0xa40 [ 3589.852277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.852277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.852277][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.852277][ T72] netlink_unicast+0x449/0x710 [ 3589.852277][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.852277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.852277][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.852277][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.852277][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.852277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.852277][ T72] [ 3589.854227][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3589.854227][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.854227][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.854227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.854227][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3589.854227][ T72] ipv6_add_addr+0x411/0x2000 [ 3589.854227][ T72] inet6_addr_add+0x30e/0xa40 [ 3589.854227][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.854227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.854227][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.854227][ T72] netlink_unicast+0x449/0x710 [ 3589.854227][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.854227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.854227][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.854227][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.854227][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.854227][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.854227][ T72] [ 3589.856415][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3589.856415][ T72] netdev_get_by_index+0x5e/0x80 [ 3589.856415][ T72] fib6_nh_init+0x3d8/0x1580 [ 3589.856415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3589.856415][ T72] ip6_route_add+0x1c/0x140 [ 3589.856415][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3589.856415][ T72] addrconf_add_dev+0xe2/0x170 [ 3589.856415][ T72] inet6_addr_add+0x12f/0xa40 [ 3589.856415][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.856415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.856415][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.856415][ T72] netlink_unicast+0x449/0x710 [ 3589.856415][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.856415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.856415][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.856415][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.856415][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.856415][ T72] [ 3589.858633][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3589.858633][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3589.858633][ T72] ipv6_find_idev+0x102/0x170 [ 3589.858633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.858633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.858633][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.858633][ T72] netlink_unicast+0x449/0x710 [ 3589.858633][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.858633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.858633][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.858633][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.858633][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.858633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.858633][ T72] [ 3589.860333][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3589.860333][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3589.860333][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3589.860333][ T72] ipv6_find_idev+0x102/0x170 [ 3589.860333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.860333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.860333][ T72] netlink_rcv_skb+0x130/0x360 [ 3589.860333][ T72] netlink_unicast+0x449/0x710 [ 3589.860333][ T72] netlink_sendmsg+0x723/0xbe0 [ 3589.860333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3589.860333][ T72] ___sys_sendmsg+0xee/0x170 [ 3589.860333][ T72] __sys_sendmsg+0xcd/0x170 [ 3589.860333][ T72] do_syscall_64+0xc6/0x1e0 [ 3589.860333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.860333][ T72] [ 3600.097018][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3600.097627][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3600.097627][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3600.097627][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3600.097627][ T72] fib6_nh_init+0xa22/0x1580 [ 3600.097627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.097627][ T72] ip6_route_add+0x1c/0x140 [ 3600.097627][ T72] inet6_rtm_newroute+0x104/0x110 [ 3600.097627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.097627][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.097627][ T72] netlink_unicast+0x449/0x710 [ 3600.097627][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.097627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.097627][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.097627][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.097627][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.097627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.097627][ T72] [ 3600.099550][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3600.099550][ T72] dst_init+0x84/0x4a0 [ 3600.099550][ T72] dst_alloc+0x97/0x150 [ 3600.099550][ T72] ip6_dst_alloc+0x23/0x90 [ 3600.099550][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3600.099550][ T72] ip6_pol_route+0x56f/0x840 [ 3600.099550][ T72] fib6_rule_lookup+0x456/0x630 [ 3600.099550][ T72] ip6_route_input+0x59c/0xa50 [ 3600.099550][ T72] ipv6_rcv+0x397/0x810 [ 3600.099550][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3600.099550][ T72] process_backlog+0x101/0x620 [ 3600.099550][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3600.099550][ T72] net_rx_action+0x495/0xbe0 [ 3600.099550][ T72] __do_softirq+0x1b5/0x7f6 [ 3600.099550][ T72] [ 3600.101188][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3600.101188][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.101188][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.101188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.101188][ T72] ip6_route_add+0x1c/0x140 [ 3600.101188][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3600.101188][ T72] inet6_addr_add+0x4f8/0xa40 [ 3600.101188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.101188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.101188][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.101188][ T72] netlink_unicast+0x449/0x710 [ 3600.101188][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.101188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.101188][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.101188][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.101188][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.101188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.101188][ T72] [ 3600.103184][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3600.103184][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.103184][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.103184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.103184][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3600.103184][ T72] ipv6_add_addr+0x411/0x2000 [ 3600.103184][ T72] inet6_addr_add+0x30e/0xa40 [ 3600.103184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.103184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.103184][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.103184][ T72] netlink_unicast+0x449/0x710 [ 3600.103184][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.103184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.103184][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.103184][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.103184][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.103184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.103184][ T72] [ 3600.105197][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3600.105197][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.105197][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.105197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.105197][ T72] ip6_route_add+0x1c/0x140 [ 3600.105197][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3600.105197][ T72] addrconf_add_dev+0xe2/0x170 [ 3600.105197][ T72] inet6_addr_add+0x12f/0xa40 [ 3600.105197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.105197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.105197][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.105197][ T72] netlink_unicast+0x449/0x710 [ 3600.105197][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.105197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.105197][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.105197][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.105197][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.105197][ T72] [ 3600.107165][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3600.107165][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3600.107165][ T72] ipv6_find_idev+0x102/0x170 [ 3600.107165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.107165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.107165][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.107165][ T72] netlink_unicast+0x449/0x710 [ 3600.107165][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.107165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.107165][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.107165][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.107165][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.107165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.107165][ T72] [ 3600.108672][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3600.108672][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3600.108672][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3600.108672][ T72] ipv6_find_idev+0x102/0x170 [ 3600.108672][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.108672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.108672][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.108672][ T72] netlink_unicast+0x449/0x710 [ 3600.108672][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.108672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.108672][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.108672][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.108672][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.108672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.108672][ T72] [ 3600.110361][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3600.110649][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3600.110649][ T72] dst_init+0x84/0x4a0 [ 3600.110649][ T72] dst_alloc+0x97/0x150 [ 3600.110649][ T72] ip6_dst_alloc+0x23/0x90 [ 3600.110649][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3600.110649][ T72] ip6_pol_route+0x56f/0x840 [ 3600.110649][ T72] fib6_rule_lookup+0x456/0x630 [ 3600.110649][ T72] ip6_route_input+0x59c/0xa50 [ 3600.110649][ T72] ipv6_rcv+0x397/0x810 [ 3600.110649][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3600.110649][ T72] process_backlog+0x101/0x620 [ 3600.110649][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3600.110649][ T72] net_rx_action+0x495/0xbe0 [ 3600.110649][ T72] __do_softirq+0x1b5/0x7f6 [ 3600.110649][ T72] [ 3600.112304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3600.112304][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.112304][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.112304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.112304][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3600.112304][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3600.112304][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3600.112304][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3600.112304][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3600.112304][ T72] addrconf_dad_begin+0x310/0x670 [ 3600.112304][ T72] addrconf_dad_work+0x10b/0xab0 [ 3600.112304][ T72] process_one_work+0x84d/0x18a0 [ 3600.112304][ T72] worker_thread+0x587/0xd30 [ 3600.112304][ T72] kthread+0x28a/0x350 [ 3600.112304][ T72] ret_from_fork+0x31/0x70 [ 3600.112304][ T72] ret_from_fork_asm+0x1a/0x30 [ 3600.112304][ T72] [ 3600.114190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3600.114190][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.114190][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.114190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.114190][ T72] ip6_route_add+0x1c/0x140 [ 3600.114190][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3600.114190][ T72] inet6_addr_add+0x4f8/0xa40 [ 3600.114190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.114190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.114190][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.114190][ T72] netlink_unicast+0x449/0x710 [ 3600.114190][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.114190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.114190][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.114190][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.114190][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.114190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.114190][ T72] [ 3600.116141][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3600.116141][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.116141][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.116141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.116141][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3600.116141][ T72] ipv6_add_addr+0x411/0x2000 [ 3600.116141][ T72] inet6_addr_add+0x30e/0xa40 [ 3600.116141][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.116141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.116141][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.116141][ T72] netlink_unicast+0x449/0x710 [ 3600.116141][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.116141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.116141][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.116141][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.116141][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.116141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.116141][ T72] [ 3600.118102][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3600.118102][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.118102][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.118102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.118102][ T72] ip6_route_add+0x1c/0x140 [ 3600.118102][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3600.118102][ T72] addrconf_add_dev+0xe2/0x170 [ 3600.118102][ T72] inet6_addr_add+0x12f/0xa40 [ 3600.118102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.118102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.118102][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.118102][ T72] netlink_unicast+0x449/0x710 [ 3600.118102][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.118102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.118102][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.118102][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.118102][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.118102][ T72] [ 3600.120022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3600.120022][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3600.120022][ T72] ipv6_find_idev+0x102/0x170 [ 3600.120022][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.120022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.120022][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.120022][ T72] netlink_unicast+0x449/0x710 [ 3600.120022][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.120022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.120022][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.120022][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.120022][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.120022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.120022][ T72] [ 3600.121563][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3600.121563][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3600.121563][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3600.121563][ T72] ipv6_find_idev+0x102/0x170 [ 3600.121563][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.121563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.121563][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.121563][ T72] netlink_unicast+0x449/0x710 [ 3600.121563][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.121563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.121563][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.121563][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.121563][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.121563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.121563][ T72] [ 3600.123344][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3600.123631][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3600.123631][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3600.123631][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3600.123631][ T72] fib6_nh_init+0xa22/0x1580 [ 3600.123631][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.123631][ T72] ip6_route_add+0x1c/0x140 [ 3600.123631][ T72] inet6_rtm_newroute+0x104/0x110 [ 3600.123631][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.123631][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.123631][ T72] netlink_unicast+0x449/0x710 [ 3600.123631][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.123631][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.123631][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.123631][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.123631][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.123631][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.123631][ T72] [ 3600.125795][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3600.125795][ T72] dst_init+0x84/0x4a0 [ 3600.125795][ T72] dst_alloc+0x97/0x150 [ 3600.125795][ T72] ip6_dst_alloc+0x23/0x90 [ 3600.125795][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3600.125795][ T72] ip6_pol_route+0x56f/0x840 [ 3600.125795][ T72] fib6_rule_lookup+0x456/0x630 [ 3600.125795][ T72] ip6_route_input+0x59c/0xa50 [ 3600.125795][ T72] ipv6_rcv+0x397/0x810 [ 3600.125795][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3600.125795][ T72] process_backlog+0x101/0x620 [ 3600.125795][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3600.125795][ T72] net_rx_action+0x495/0xbe0 [ 3600.125795][ T72] __do_softirq+0x1b5/0x7f6 [ 3600.125795][ T72] [ 3600.127585][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3600.127585][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.127585][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.127585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.127585][ T72] ip6_route_add+0x1c/0x140 [ 3600.127585][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3600.127585][ T72] inet6_addr_add+0x4f8/0xa40 [ 3600.127585][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.127585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.127585][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.127585][ T72] netlink_unicast+0x449/0x710 [ 3600.127585][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.127585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.127585][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.127585][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.127585][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.127585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.127585][ T72] [ 3600.129856][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3600.129856][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.129856][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.129856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.129856][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3600.129856][ T72] ipv6_add_addr+0x411/0x2000 [ 3600.129856][ T72] inet6_addr_add+0x30e/0xa40 [ 3600.129856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.129856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.129856][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.129856][ T72] netlink_unicast+0x449/0x710 [ 3600.129856][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.129856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.129856][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.129856][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.129856][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.129856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.129856][ T72] [ 3600.132045][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3600.132045][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.132045][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.132045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.132045][ T72] ip6_route_add+0x1c/0x140 [ 3600.132045][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3600.132045][ T72] addrconf_add_dev+0xe2/0x170 [ 3600.132045][ T72] inet6_addr_add+0x12f/0xa40 [ 3600.132045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.132045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.132045][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.132045][ T72] netlink_unicast+0x449/0x710 [ 3600.132045][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.132045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.132045][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.132045][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.132045][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.132045][ T72] [ 3600.134327][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3600.134327][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3600.134327][ T72] ipv6_find_idev+0x102/0x170 [ 3600.134327][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.134327][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.134327][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.134327][ T72] netlink_unicast+0x449/0x710 [ 3600.134327][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.134327][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.134327][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.134327][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.134327][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.134327][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.134327][ T72] [ 3600.136058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3600.136058][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3600.136058][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3600.136058][ T72] ipv6_find_idev+0x102/0x170 [ 3600.136058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.136058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.136058][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.136058][ T72] netlink_unicast+0x449/0x710 [ 3600.136058][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.136058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.136058][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.136058][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.136058][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.136058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.136058][ T72] [ 3600.137927][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3600.138272][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3600.138272][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.138272][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.138272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.138272][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3600.138272][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3600.138272][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3600.138272][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3600.138272][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3600.138272][ T72] addrconf_dad_begin+0x310/0x670 [ 3600.138272][ T72] addrconf_dad_work+0x10b/0xab0 [ 3600.138272][ T72] process_one_work+0x84d/0x18a0 [ 3600.138272][ T72] worker_thread+0x587/0xd30 [ 3600.138272][ T72] kthread+0x28a/0x350 [ 3600.138272][ T72] ret_from_fork+0x31/0x70 [ 3600.138272][ T72] ret_from_fork_asm+0x1a/0x30 [ 3600.138272][ T72] [ 3600.140330][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3600.140330][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.140330][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.140330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.140330][ T72] ip6_route_add+0x1c/0x140 [ 3600.140330][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3600.140330][ T72] inet6_addr_add+0x4f8/0xa40 [ 3600.140330][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.140330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.140330][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.140330][ T72] netlink_unicast+0x449/0x710 [ 3600.140330][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.140330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.140330][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.140330][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.140330][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.140330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.140330][ T72] [ 3600.142580][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3600.142580][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.142580][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.142580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.142580][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3600.142580][ T72] ipv6_add_addr+0x411/0x2000 [ 3600.142580][ T72] inet6_addr_add+0x30e/0xa40 [ 3600.142580][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.142580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.142580][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.142580][ T72] netlink_unicast+0x449/0x710 [ 3600.142580][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.142580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.142580][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.142580][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.142580][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.142580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.142580][ T72] [ 3600.144916][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3600.144916][ T72] netdev_get_by_index+0x5e/0x80 [ 3600.144916][ T72] fib6_nh_init+0x3d8/0x1580 [ 3600.144916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3600.144916][ T72] ip6_route_add+0x1c/0x140 [ 3600.144916][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3600.144916][ T72] addrconf_add_dev+0xe2/0x170 [ 3600.144916][ T72] inet6_addr_add+0x12f/0xa40 [ 3600.144916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.144916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.144916][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.144916][ T72] netlink_unicast+0x449/0x710 [ 3600.144916][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.144916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.144916][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.144916][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.144916][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.144916][ T72] [ 3600.147112][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3600.147112][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3600.147112][ T72] ipv6_find_idev+0x102/0x170 [ 3600.147112][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.147112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.147112][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.147112][ T72] netlink_unicast+0x449/0x710 [ 3600.147112][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.147112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.147112][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.147112][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.147112][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.147112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.147112][ T72] [ 3600.148818][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3600.148818][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3600.148818][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3600.148818][ T72] ipv6_find_idev+0x102/0x170 [ 3600.148818][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.148818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.148818][ T72] netlink_rcv_skb+0x130/0x360 [ 3600.148818][ T72] netlink_unicast+0x449/0x710 [ 3600.148818][ T72] netlink_sendmsg+0x723/0xbe0 [ 3600.148818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3600.148818][ T72] ___sys_sendmsg+0xee/0x170 [ 3600.148818][ T72] __sys_sendmsg+0xcd/0x170 [ 3600.148818][ T72] do_syscall_64+0xc6/0x1e0 [ 3600.148818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.148818][ T72] [ 3610.392984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3610.393581][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3610.393581][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3610.393581][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3610.393581][ T72] fib6_nh_init+0xa22/0x1580 [ 3610.393581][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.393581][ T72] ip6_route_add+0x1c/0x140 [ 3610.393581][ T72] inet6_rtm_newroute+0x104/0x110 [ 3610.393581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.393581][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.393581][ T72] netlink_unicast+0x449/0x710 [ 3610.393581][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.393581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.393581][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.393581][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.393581][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.393581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.393581][ T72] [ 3610.395379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3610.395379][ T72] dst_init+0x84/0x4a0 [ 3610.395379][ T72] dst_alloc+0x97/0x150 [ 3610.395379][ T72] ip6_dst_alloc+0x23/0x90 [ 3610.395379][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3610.395379][ T72] ip6_pol_route+0x56f/0x840 [ 3610.395379][ T72] fib6_rule_lookup+0x456/0x630 [ 3610.395379][ T72] ip6_route_input+0x59c/0xa50 [ 3610.395379][ T72] ipv6_rcv+0x397/0x810 [ 3610.395379][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3610.395379][ T72] process_backlog+0x101/0x620 [ 3610.395379][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3610.395379][ T72] net_rx_action+0x495/0xbe0 [ 3610.395379][ T72] __do_softirq+0x1b5/0x7f6 [ 3610.395379][ T72] [ 3610.396957][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3610.396957][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.396957][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.396957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.396957][ T72] ip6_route_add+0x1c/0x140 [ 3610.396957][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3610.396957][ T72] inet6_addr_add+0x4f8/0xa40 [ 3610.396957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.396957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.396957][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.396957][ T72] netlink_unicast+0x449/0x710 [ 3610.396957][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.396957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.396957][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.396957][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.396957][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.396957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.396957][ T72] [ 3610.398904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3610.398904][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.398904][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.398904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.398904][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3610.398904][ T72] ipv6_add_addr+0x411/0x2000 [ 3610.398904][ T72] inet6_addr_add+0x30e/0xa40 [ 3610.398904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.398904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.398904][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.398904][ T72] netlink_unicast+0x449/0x710 [ 3610.398904][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.398904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.398904][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.398904][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.398904][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.398904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.398904][ T72] [ 3610.400823][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3610.400823][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.400823][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.400823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.400823][ T72] ip6_route_add+0x1c/0x140 [ 3610.400823][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3610.400823][ T72] addrconf_add_dev+0xe2/0x170 [ 3610.400823][ T72] inet6_addr_add+0x12f/0xa40 [ 3610.400823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.400823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.400823][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.400823][ T72] netlink_unicast+0x449/0x710 [ 3610.400823][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.400823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.400823][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.400823][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.400823][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.400823][ T72] [ 3610.402797][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3610.402797][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3610.402797][ T72] ipv6_find_idev+0x102/0x170 [ 3610.402797][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.402797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.402797][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.402797][ T72] netlink_unicast+0x449/0x710 [ 3610.402797][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.402797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.402797][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.402797][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.402797][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.402797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.402797][ T72] [ 3610.404288][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3610.404288][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3610.404288][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3610.404288][ T72] ipv6_find_idev+0x102/0x170 [ 3610.404288][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.404288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.404288][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.404288][ T72] netlink_unicast+0x449/0x710 [ 3610.404288][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.404288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.404288][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.404288][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.404288][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.404288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.404288][ T72] [ 3610.405938][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3610.406211][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3610.406211][ T72] dst_init+0x84/0x4a0 [ 3610.406211][ T72] dst_alloc+0x97/0x150 [ 3610.406211][ T72] ip6_dst_alloc+0x23/0x90 [ 3610.406211][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3610.406211][ T72] ip6_pol_route+0x56f/0x840 [ 3610.406211][ T72] fib6_rule_lookup+0x456/0x630 [ 3610.406211][ T72] ip6_route_input+0x59c/0xa50 [ 3610.406211][ T72] ipv6_rcv+0x397/0x810 [ 3610.406211][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3610.406211][ T72] process_backlog+0x101/0x620 [ 3610.406211][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3610.406211][ T72] net_rx_action+0x495/0xbe0 [ 3610.406211][ T72] __do_softirq+0x1b5/0x7f6 [ 3610.406211][ T72] [ 3610.407887][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3610.407887][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.407887][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.407887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.407887][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3610.407887][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3610.407887][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3610.407887][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3610.407887][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3610.407887][ T72] addrconf_dad_begin+0x310/0x670 [ 3610.407887][ T72] addrconf_dad_work+0x10b/0xab0 [ 3610.407887][ T72] process_one_work+0x84d/0x18a0 [ 3610.407887][ T72] worker_thread+0x587/0xd30 [ 3610.407887][ T72] kthread+0x28a/0x350 [ 3610.407887][ T72] ret_from_fork+0x31/0x70 [ 3610.407887][ T72] ret_from_fork_asm+0x1a/0x30 [ 3610.407887][ T72] [ 3610.409788][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3610.409788][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.409788][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.409788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.409788][ T72] ip6_route_add+0x1c/0x140 [ 3610.409788][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3610.409788][ T72] inet6_addr_add+0x4f8/0xa40 [ 3610.409788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.409788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.409788][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.409788][ T72] netlink_unicast+0x449/0x710 [ 3610.409788][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.409788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.409788][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.409788][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.409788][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.409788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.409788][ T72] [ 3610.411797][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3610.411797][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.411797][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.411797][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.411797][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3610.411797][ T72] ipv6_add_addr+0x411/0x2000 [ 3610.411797][ T72] inet6_addr_add+0x30e/0xa40 [ 3610.411797][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.411797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.411797][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.411797][ T72] netlink_unicast+0x449/0x710 [ 3610.411797][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.411797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.411797][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.411797][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.411797][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.411797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.411797][ T72] [ 3610.413777][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3610.413777][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.413777][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.413777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.413777][ T72] ip6_route_add+0x1c/0x140 [ 3610.413777][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3610.413777][ T72] addrconf_add_dev+0xe2/0x170 [ 3610.413777][ T72] inet6_addr_add+0x12f/0xa40 [ 3610.413777][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.413777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.413777][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.413777][ T72] netlink_unicast+0x449/0x710 [ 3610.413777][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.413777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.413777][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.413777][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.413777][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.413777][ T72] [ 3610.415684][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3610.415684][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3610.415684][ T72] ipv6_find_idev+0x102/0x170 [ 3610.415684][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.415684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.415684][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.415684][ T72] netlink_unicast+0x449/0x710 [ 3610.415684][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.415684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.415684][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.415684][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.415684][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.415684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.415684][ T72] [ 3610.417179][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3610.417179][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3610.417179][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3610.417179][ T72] ipv6_find_idev+0x102/0x170 [ 3610.417179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.417179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.417179][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.417179][ T72] netlink_unicast+0x449/0x710 [ 3610.417179][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.417179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.417179][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.417179][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.417179][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.417179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.417179][ T72] [ 3610.418933][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3610.419221][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3610.419221][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3610.419221][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3610.419221][ T72] fib6_nh_init+0xa22/0x1580 [ 3610.419221][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.419221][ T72] ip6_route_add+0x1c/0x140 [ 3610.419221][ T72] inet6_rtm_newroute+0x104/0x110 [ 3610.419221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.419221][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.419221][ T72] netlink_unicast+0x449/0x710 [ 3610.419221][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.419221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.419221][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.419221][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.419221][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.419221][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.419221][ T72] [ 3610.421421][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3610.421421][ T72] dst_init+0x84/0x4a0 [ 3610.421421][ T72] dst_alloc+0x97/0x150 [ 3610.421421][ T72] ip6_dst_alloc+0x23/0x90 [ 3610.421421][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3610.421421][ T72] ip6_pol_route+0x56f/0x840 [ 3610.421421][ T72] fib6_rule_lookup+0x456/0x630 [ 3610.421421][ T72] ip6_route_input+0x59c/0xa50 [ 3610.421421][ T72] ipv6_rcv+0x397/0x810 [ 3610.421421][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3610.421421][ T72] process_backlog+0x101/0x620 [ 3610.421421][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3610.421421][ T72] net_rx_action+0x495/0xbe0 [ 3610.421421][ T72] __do_softirq+0x1b5/0x7f6 [ 3610.421421][ T72] [ 3610.423218][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3610.423218][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.423218][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.423218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.423218][ T72] ip6_route_add+0x1c/0x140 [ 3610.423218][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3610.423218][ T72] inet6_addr_add+0x4f8/0xa40 [ 3610.423218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.423218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.423218][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.423218][ T72] netlink_unicast+0x449/0x710 [ 3610.423218][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.423218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.423218][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.423218][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.423218][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.423218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.423218][ T72] [ 3610.425405][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3610.425405][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.425405][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.425405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.425405][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3610.425405][ T72] ipv6_add_addr+0x411/0x2000 [ 3610.425405][ T72] inet6_addr_add+0x30e/0xa40 [ 3610.425405][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.425405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.425405][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.425405][ T72] netlink_unicast+0x449/0x710 [ 3610.425405][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.425405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.425405][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.425405][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.425405][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.425405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.425405][ T72] [ 3610.427534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3610.427534][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.427534][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.427534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.427534][ T72] ip6_route_add+0x1c/0x140 [ 3610.427534][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3610.427534][ T72] addrconf_add_dev+0xe2/0x170 [ 3610.427534][ T72] inet6_addr_add+0x12f/0xa40 [ 3610.427534][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.427534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.427534][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.427534][ T72] netlink_unicast+0x449/0x710 [ 3610.427534][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.427534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.427534][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.427534][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.427534][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.427534][ T72] [ 3610.429739][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3610.429739][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3610.429739][ T72] ipv6_find_idev+0x102/0x170 [ 3610.429739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.429739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.429739][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.429739][ T72] netlink_unicast+0x449/0x710 [ 3610.429739][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.429739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.429739][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.429739][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.429739][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.429739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.429739][ T72] [ 3610.431454][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3610.431454][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3610.431454][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3610.431454][ T72] ipv6_find_idev+0x102/0x170 [ 3610.431454][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.431454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.431454][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.431454][ T72] netlink_unicast+0x449/0x710 [ 3610.431454][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.431454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.431454][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.431454][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.431454][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.431454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.431454][ T72] [ 3610.433832][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3610.434190][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3610.434190][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.434190][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.434190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.434190][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3610.434190][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3610.434190][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3610.434190][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3610.434190][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3610.434190][ T72] addrconf_dad_begin+0x310/0x670 [ 3610.434190][ T72] addrconf_dad_work+0x10b/0xab0 [ 3610.434190][ T72] process_one_work+0x84d/0x18a0 [ 3610.434190][ T72] worker_thread+0x587/0xd30 [ 3610.434190][ T72] kthread+0x28a/0x350 [ 3610.434190][ T72] ret_from_fork+0x31/0x70 [ 3610.434190][ T72] ret_from_fork_asm+0x1a/0x30 [ 3610.434190][ T72] [ 3610.436202][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3610.436202][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.436202][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.436202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.436202][ T72] ip6_route_add+0x1c/0x140 [ 3610.436202][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3610.436202][ T72] inet6_addr_add+0x4f8/0xa40 [ 3610.436202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.436202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.436202][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.436202][ T72] netlink_unicast+0x449/0x710 [ 3610.436202][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.436202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.436202][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.436202][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.436202][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.436202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.436202][ T72] [ 3610.438441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3610.438441][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.438441][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.438441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.438441][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3610.438441][ T72] ipv6_add_addr+0x411/0x2000 [ 3610.438441][ T72] inet6_addr_add+0x30e/0xa40 [ 3610.438441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.438441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.438441][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.438441][ T72] netlink_unicast+0x449/0x710 [ 3610.438441][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.438441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.438441][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.438441][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.438441][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.438441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.438441][ T72] [ 3610.441144][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3610.441144][ T72] netdev_get_by_index+0x5e/0x80 [ 3610.441144][ T72] fib6_nh_init+0x3d8/0x1580 [ 3610.441144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3610.441144][ T72] ip6_route_add+0x1c/0x140 [ 3610.441144][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3610.441144][ T72] addrconf_add_dev+0xe2/0x170 [ 3610.441144][ T72] inet6_addr_add+0x12f/0xa40 [ 3610.441144][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.441144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.441144][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.441144][ T72] netlink_unicast+0x449/0x710 [ 3610.441144][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.441144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.441144][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.441144][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.441144][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.441144][ T72] [ 3610.443355][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3610.443355][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3610.443355][ T72] ipv6_find_idev+0x102/0x170 [ 3610.443355][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.443355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.443355][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.443355][ T72] netlink_unicast+0x449/0x710 [ 3610.443355][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.443355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.443355][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.443355][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.443355][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.443355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.443355][ T72] [ 3610.445078][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3610.445078][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3610.445078][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3610.445078][ T72] ipv6_find_idev+0x102/0x170 [ 3610.445078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.445078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.445078][ T72] netlink_rcv_skb+0x130/0x360 [ 3610.445078][ T72] netlink_unicast+0x449/0x710 [ 3610.445078][ T72] netlink_sendmsg+0x723/0xbe0 [ 3610.445078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3610.445078][ T72] ___sys_sendmsg+0xee/0x170 [ 3610.445078][ T72] __sys_sendmsg+0xcd/0x170 [ 3610.445078][ T72] do_syscall_64+0xc6/0x1e0 [ 3610.445078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.445078][ T72] [ 3620.689001][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3620.689723][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3620.689723][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3620.689723][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3620.689723][ T72] fib6_nh_init+0xa22/0x1580 [ 3620.689723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.689723][ T72] ip6_route_add+0x1c/0x140 [ 3620.689723][ T72] inet6_rtm_newroute+0x104/0x110 [ 3620.689723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.689723][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.689723][ T72] netlink_unicast+0x449/0x710 [ 3620.689723][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.689723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.689723][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.689723][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.689723][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.689723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.689723][ T72] [ 3620.691644][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3620.691644][ T72] dst_init+0x84/0x4a0 [ 3620.691644][ T72] dst_alloc+0x97/0x150 [ 3620.691644][ T72] ip6_dst_alloc+0x23/0x90 [ 3620.691644][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3620.691644][ T72] ip6_pol_route+0x56f/0x840 [ 3620.691644][ T72] fib6_rule_lookup+0x456/0x630 [ 3620.691644][ T72] ip6_route_input+0x59c/0xa50 [ 3620.691644][ T72] ipv6_rcv+0x397/0x810 [ 3620.691644][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3620.691644][ T72] process_backlog+0x101/0x620 [ 3620.691644][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3620.691644][ T72] net_rx_action+0x495/0xbe0 [ 3620.691644][ T72] __do_softirq+0x1b5/0x7f6 [ 3620.691644][ T72] [ 3620.693273][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3620.693273][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.693273][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.693273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.693273][ T72] ip6_route_add+0x1c/0x140 [ 3620.693273][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3620.693273][ T72] inet6_addr_add+0x4f8/0xa40 [ 3620.693273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.693273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.693273][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.693273][ T72] netlink_unicast+0x449/0x710 [ 3620.693273][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.693273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.693273][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.693273][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.693273][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.693273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.693273][ T72] [ 3620.695182][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3620.695182][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.695182][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.695182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.695182][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3620.695182][ T72] ipv6_add_addr+0x411/0x2000 [ 3620.695182][ T72] inet6_addr_add+0x30e/0xa40 [ 3620.695182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.695182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.695182][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.695182][ T72] netlink_unicast+0x449/0x710 [ 3620.695182][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.695182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.695182][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.695182][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.695182][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.695182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.695182][ T72] [ 3620.697039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3620.697039][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.697039][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.697039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.697039][ T72] ip6_route_add+0x1c/0x140 [ 3620.697039][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3620.697039][ T72] addrconf_add_dev+0xe2/0x170 [ 3620.697039][ T72] inet6_addr_add+0x12f/0xa40 [ 3620.697039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.697039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.697039][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.697039][ T72] netlink_unicast+0x449/0x710 [ 3620.697039][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.697039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.697039][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.697039][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.697039][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.697039][ T72] [ 3620.698915][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3620.698915][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3620.698915][ T72] ipv6_find_idev+0x102/0x170 [ 3620.698915][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.698915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.698915][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.698915][ T72] netlink_unicast+0x449/0x710 [ 3620.698915][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.698915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.698915][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.698915][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.698915][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.698915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.698915][ T72] [ 3620.700396][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3620.700396][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3620.700396][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3620.700396][ T72] ipv6_find_idev+0x102/0x170 [ 3620.700396][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.700396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.700396][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.700396][ T72] netlink_unicast+0x449/0x710 [ 3620.700396][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.700396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.700396][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.700396][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.700396][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.700396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.700396][ T72] [ 3620.702093][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3620.702372][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3620.702372][ T72] dst_init+0x84/0x4a0 [ 3620.702372][ T72] dst_alloc+0x97/0x150 [ 3620.702372][ T72] ip6_dst_alloc+0x23/0x90 [ 3620.702372][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3620.702372][ T72] ip6_pol_route+0x56f/0x840 [ 3620.702372][ T72] fib6_rule_lookup+0x456/0x630 [ 3620.702372][ T72] ip6_route_input+0x59c/0xa50 [ 3620.702372][ T72] ipv6_rcv+0x397/0x810 [ 3620.702372][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3620.702372][ T72] process_backlog+0x101/0x620 [ 3620.702372][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3620.702372][ T72] net_rx_action+0x495/0xbe0 [ 3620.702372][ T72] __do_softirq+0x1b5/0x7f6 [ 3620.702372][ T72] [ 3620.704013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3620.704013][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.704013][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.704013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.704013][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3620.704013][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3620.704013][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3620.704013][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3620.704013][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3620.704013][ T72] addrconf_dad_begin+0x310/0x670 [ 3620.704013][ T72] addrconf_dad_work+0x10b/0xab0 [ 3620.704013][ T72] process_one_work+0x84d/0x18a0 [ 3620.704013][ T72] worker_thread+0x587/0xd30 [ 3620.704013][ T72] kthread+0x28a/0x350 [ 3620.704013][ T72] ret_from_fork+0x31/0x70 [ 3620.704013][ T72] ret_from_fork_asm+0x1a/0x30 [ 3620.704013][ T72] [ 3620.705889][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3620.705889][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.705889][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.705889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.705889][ T72] ip6_route_add+0x1c/0x140 [ 3620.705889][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3620.705889][ T72] inet6_addr_add+0x4f8/0xa40 [ 3620.705889][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.705889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.705889][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.705889][ T72] netlink_unicast+0x449/0x710 [ 3620.705889][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.705889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.705889][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.705889][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.705889][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.705889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.705889][ T72] [ 3620.707904][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3620.707904][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.707904][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.707904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.707904][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3620.707904][ T72] ipv6_add_addr+0x411/0x2000 [ 3620.707904][ T72] inet6_addr_add+0x30e/0xa40 [ 3620.707904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.707904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.707904][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.707904][ T72] netlink_unicast+0x449/0x710 [ 3620.707904][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.707904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.707904][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.707904][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.707904][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.707904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.707904][ T72] [ 3620.709894][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3620.709894][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.709894][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.709894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.709894][ T72] ip6_route_add+0x1c/0x140 [ 3620.709894][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3620.709894][ T72] addrconf_add_dev+0xe2/0x170 [ 3620.709894][ T72] inet6_addr_add+0x12f/0xa40 [ 3620.709894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.709894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.709894][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.709894][ T72] netlink_unicast+0x449/0x710 [ 3620.709894][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.709894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.709894][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.709894][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.709894][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.709894][ T72] [ 3620.711861][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3620.711861][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3620.711861][ T72] ipv6_find_idev+0x102/0x170 [ 3620.711861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.711861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.711861][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.711861][ T72] netlink_unicast+0x449/0x710 [ 3620.711861][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.711861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.711861][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.711861][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.711861][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.711861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.711861][ T72] [ 3620.713393][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3620.713393][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3620.713393][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3620.713393][ T72] ipv6_find_idev+0x102/0x170 [ 3620.713393][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.713393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.713393][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.713393][ T72] netlink_unicast+0x449/0x710 [ 3620.713393][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.713393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.713393][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.713393][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.713393][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.713393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.713393][ T72] [ 3620.715207][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3620.715475][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3620.715475][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3620.715475][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3620.715475][ T72] fib6_nh_init+0xa22/0x1580 [ 3620.715475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.715475][ T72] ip6_route_add+0x1c/0x140 [ 3620.715475][ T72] inet6_rtm_newroute+0x104/0x110 [ 3620.715475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.715475][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.715475][ T72] netlink_unicast+0x449/0x710 [ 3620.715475][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.715475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.715475][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.715475][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.715475][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.715475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.715475][ T72] [ 3620.717714][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3620.717714][ T72] dst_init+0x84/0x4a0 [ 3620.717714][ T72] dst_alloc+0x97/0x150 [ 3620.717714][ T72] ip6_dst_alloc+0x23/0x90 [ 3620.717714][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3620.717714][ T72] ip6_pol_route+0x56f/0x840 [ 3620.717714][ T72] fib6_rule_lookup+0x456/0x630 [ 3620.717714][ T72] ip6_route_input+0x59c/0xa50 [ 3620.717714][ T72] ipv6_rcv+0x397/0x810 [ 3620.717714][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3620.717714][ T72] process_backlog+0x101/0x620 [ 3620.717714][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3620.717714][ T72] net_rx_action+0x495/0xbe0 [ 3620.717714][ T72] __do_softirq+0x1b5/0x7f6 [ 3620.717714][ T72] [ 3620.719502][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3620.719502][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.719502][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.719502][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.719502][ T72] ip6_route_add+0x1c/0x140 [ 3620.719502][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3620.719502][ T72] inet6_addr_add+0x4f8/0xa40 [ 3620.719502][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.719502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.719502][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.719502][ T72] netlink_unicast+0x449/0x710 [ 3620.719502][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.719502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.719502][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.719502][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.719502][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.719502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.719502][ T72] [ 3620.721743][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3620.721743][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.721743][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.721743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.721743][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3620.721743][ T72] ipv6_add_addr+0x411/0x2000 [ 3620.721743][ T72] inet6_addr_add+0x30e/0xa40 [ 3620.721743][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.721743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.721743][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.721743][ T72] netlink_unicast+0x449/0x710 [ 3620.721743][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.721743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.721743][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.721743][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.721743][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.721743][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.721743][ T72] [ 3620.723972][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3620.723972][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.723972][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.723972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.723972][ T72] ip6_route_add+0x1c/0x140 [ 3620.723972][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3620.723972][ T72] addrconf_add_dev+0xe2/0x170 [ 3620.723972][ T72] inet6_addr_add+0x12f/0xa40 [ 3620.723972][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.723972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.723972][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.723972][ T72] netlink_unicast+0x449/0x710 [ 3620.723972][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.723972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.723972][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.723972][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.723972][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.723972][ T72] [ 3620.726191][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3620.726191][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3620.726191][ T72] ipv6_find_idev+0x102/0x170 [ 3620.726191][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.726191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.726191][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.726191][ T72] netlink_unicast+0x449/0x710 [ 3620.726191][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.726191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.726191][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.726191][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.726191][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.726191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.726191][ T72] [ 3620.727867][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3620.727867][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3620.727867][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3620.727867][ T72] ipv6_find_idev+0x102/0x170 [ 3620.727867][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.727867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.727867][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.727867][ T72] netlink_unicast+0x449/0x710 [ 3620.727867][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.727867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.727867][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.727867][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.727867][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.727867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.727867][ T72] [ 3620.729693][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3620.730484][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3620.730484][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.730484][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.730484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.730484][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3620.730484][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3620.730484][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3620.730484][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3620.730484][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3620.730484][ T72] addrconf_dad_begin+0x310/0x670 [ 3620.730484][ T72] addrconf_dad_work+0x10b/0xab0 [ 3620.730484][ T72] process_one_work+0x84d/0x18a0 [ 3620.730484][ T72] worker_thread+0x587/0xd30 [ 3620.730484][ T72] kthread+0x28a/0x350 [ 3620.730484][ T72] ret_from_fork+0x31/0x70 [ 3620.730484][ T72] ret_from_fork_asm+0x1a/0x30 [ 3620.730484][ T72] [ 3620.732410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3620.732410][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.732410][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.732410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.732410][ T72] ip6_route_add+0x1c/0x140 [ 3620.732410][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3620.732410][ T72] inet6_addr_add+0x4f8/0xa40 [ 3620.732410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.732410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.732410][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.732410][ T72] netlink_unicast+0x449/0x710 [ 3620.732410][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.732410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.732410][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.732410][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.732410][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.732410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.732410][ T72] [ 3620.734367][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3620.734367][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.734367][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.734367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.734367][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3620.734367][ T72] ipv6_add_addr+0x411/0x2000 [ 3620.734367][ T72] inet6_addr_add+0x30e/0xa40 [ 3620.734367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.734367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.734367][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.734367][ T72] netlink_unicast+0x449/0x710 [ 3620.734367][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.734367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.734367][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.734367][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.734367][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.734367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.734367][ T72] [ 3620.736553][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3620.736553][ T72] netdev_get_by_index+0x5e/0x80 [ 3620.736553][ T72] fib6_nh_init+0x3d8/0x1580 [ 3620.736553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3620.736553][ T72] ip6_route_add+0x1c/0x140 [ 3620.736553][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3620.736553][ T72] addrconf_add_dev+0xe2/0x170 [ 3620.736553][ T72] inet6_addr_add+0x12f/0xa40 [ 3620.736553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.736553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.736553][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.736553][ T72] netlink_unicast+0x449/0x710 [ 3620.736553][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.736553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.736553][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.736553][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.736553][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.736553][ T72] [ 3620.738765][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3620.738765][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3620.738765][ T72] ipv6_find_idev+0x102/0x170 [ 3620.738765][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.738765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.738765][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.738765][ T72] netlink_unicast+0x449/0x710 [ 3620.738765][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.738765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.738765][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.738765][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.738765][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.738765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.738765][ T72] [ 3620.740445][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3620.740445][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3620.740445][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3620.740445][ T72] ipv6_find_idev+0x102/0x170 [ 3620.740445][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.740445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.740445][ T72] netlink_rcv_skb+0x130/0x360 [ 3620.740445][ T72] netlink_unicast+0x449/0x710 [ 3620.740445][ T72] netlink_sendmsg+0x723/0xbe0 [ 3620.740445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3620.740445][ T72] ___sys_sendmsg+0xee/0x170 [ 3620.740445][ T72] __sys_sendmsg+0xcd/0x170 [ 3620.740445][ T72] do_syscall_64+0xc6/0x1e0 [ 3620.740445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.740445][ T72] [ 3630.984926][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3630.985434][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3630.985434][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3630.985434][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3630.985434][ T72] fib6_nh_init+0xa22/0x1580 [ 3630.985434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3630.985434][ T72] ip6_route_add+0x1c/0x140 [ 3630.985434][ T72] inet6_rtm_newroute+0x104/0x110 [ 3630.985434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3630.985434][ T72] netlink_rcv_skb+0x130/0x360 [ 3630.985434][ T72] netlink_unicast+0x449/0x710 [ 3630.985434][ T72] netlink_sendmsg+0x723/0xbe0 [ 3630.985434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3630.985434][ T72] ___sys_sendmsg+0xee/0x170 [ 3630.985434][ T72] __sys_sendmsg+0xcd/0x170 [ 3630.985434][ T72] do_syscall_64+0xc6/0x1e0 [ 3630.985434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3630.985434][ T72] [ 3630.987339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3630.987339][ T72] dst_init+0x84/0x4a0 [ 3630.987339][ T72] dst_alloc+0x97/0x150 [ 3630.987339][ T72] ip6_dst_alloc+0x23/0x90 [ 3630.987339][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3630.987339][ T72] ip6_pol_route+0x56f/0x840 [ 3630.987339][ T72] fib6_rule_lookup+0x456/0x630 [ 3630.987339][ T72] ip6_route_input+0x59c/0xa50 [ 3630.987339][ T72] ipv6_rcv+0x397/0x810 [ 3630.987339][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3630.987339][ T72] process_backlog+0x101/0x620 [ 3630.987339][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3630.987339][ T72] net_rx_action+0x495/0xbe0 [ 3630.987339][ T72] __do_softirq+0x1b5/0x7f6 [ 3630.987339][ T72] [ 3630.988985][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3630.988985][ T72] netdev_get_by_index+0x5e/0x80 [ 3630.988985][ T72] fib6_nh_init+0x3d8/0x1580 [ 3630.988985][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3630.988985][ T72] ip6_route_add+0x1c/0x140 [ 3630.988985][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3630.988985][ T72] inet6_addr_add+0x4f8/0xa40 [ 3630.988985][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3630.988985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3630.988985][ T72] netlink_rcv_skb+0x130/0x360 [ 3630.988985][ T72] netlink_unicast+0x449/0x710 [ 3630.988985][ T72] netlink_sendmsg+0x723/0xbe0 [ 3630.988985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3630.988985][ T72] ___sys_sendmsg+0xee/0x170 [ 3630.988985][ T72] __sys_sendmsg+0xcd/0x170 [ 3630.988985][ T72] do_syscall_64+0xc6/0x1e0 [ 3630.988985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3630.988985][ T72] [ 3630.991018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3630.991018][ T72] netdev_get_by_index+0x5e/0x80 [ 3630.991018][ T72] fib6_nh_init+0x3d8/0x1580 [ 3630.991018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3630.991018][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3630.991018][ T72] ipv6_add_addr+0x411/0x2000 [ 3630.991018][ T72] inet6_addr_add+0x30e/0xa40 [ 3630.991018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3630.991018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3630.991018][ T72] netlink_rcv_skb+0x130/0x360 [ 3630.991018][ T72] netlink_unicast+0x449/0x710 [ 3630.991018][ T72] netlink_sendmsg+0x723/0xbe0 [ 3630.991018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3630.991018][ T72] ___sys_sendmsg+0xee/0x170 [ 3630.991018][ T72] __sys_sendmsg+0xcd/0x170 [ 3630.991018][ T72] do_syscall_64+0xc6/0x1e0 [ 3630.991018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3630.991018][ T72] [ 3630.993025][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3630.993025][ T72] netdev_get_by_index+0x5e/0x80 [ 3630.993025][ T72] fib6_nh_init+0x3d8/0x1580 [ 3630.993025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3630.993025][ T72] ip6_route_add+0x1c/0x140 [ 3630.993025][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3630.993025][ T72] addrconf_add_dev+0xe2/0x170 [ 3630.993025][ T72] inet6_addr_add+0x12f/0xa40 [ 3630.993025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3630.993025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3630.993025][ T72] netlink_rcv_skb+0x130/0x360 [ 3630.993025][ T72] netlink_unicast+0x449/0x710 [ 3630.993025][ T72] netlink_sendmsg+0x723/0xbe0 [ 3630.993025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3630.993025][ T72] ___sys_sendmsg+0xee/0x170 [ 3630.993025][ T72] __sys_sendmsg+0xcd/0x170 [ 3630.993025][ T72] do_syscall_64+0xc6/0x1e0 [ 3630.993025][ T72] [ 3630.994998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3630.994998][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3630.994998][ T72] ipv6_find_idev+0x102/0x170 [ 3630.994998][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3630.994998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3630.994998][ T72] netlink_rcv_skb+0x130/0x360 [ 3630.994998][ T72] netlink_unicast+0x449/0x710 [ 3630.994998][ T72] netlink_sendmsg+0x723/0xbe0 [ 3630.994998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3630.994998][ T72] ___sys_sendmsg+0xee/0x170 [ 3630.994998][ T72] __sys_sendmsg+0xcd/0x170 [ 3630.994998][ T72] do_syscall_64+0xc6/0x1e0 [ 3630.994998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3630.994998][ T72] [ 3630.996544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3630.996544][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3630.996544][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3630.996544][ T72] ipv6_find_idev+0x102/0x170 [ 3630.996544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3630.996544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3630.996544][ T72] netlink_rcv_skb+0x130/0x360 [ 3630.996544][ T72] netlink_unicast+0x449/0x710 [ 3630.996544][ T72] netlink_sendmsg+0x723/0xbe0 [ 3630.996544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3630.996544][ T72] ___sys_sendmsg+0xee/0x170 [ 3630.996544][ T72] __sys_sendmsg+0xcd/0x170 [ 3630.996544][ T72] do_syscall_64+0xc6/0x1e0 [ 3630.996544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3630.996544][ T72] [ 3630.998278][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3630.998558][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3630.998558][ T72] dst_init+0x84/0x4a0 [ 3630.998558][ T72] dst_alloc+0x97/0x150 [ 3630.998558][ T72] ip6_dst_alloc+0x23/0x90 [ 3630.998558][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3630.998558][ T72] ip6_pol_route+0x56f/0x840 [ 3630.998558][ T72] fib6_rule_lookup+0x456/0x630 [ 3630.998558][ T72] ip6_route_input+0x59c/0xa50 [ 3630.998558][ T72] ipv6_rcv+0x397/0x810 [ 3630.998558][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3630.998558][ T72] process_backlog+0x101/0x620 [ 3630.998558][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3630.998558][ T72] net_rx_action+0x495/0xbe0 [ 3630.998558][ T72] __do_softirq+0x1b5/0x7f6 [ 3630.998558][ T72] [ 3631.000221][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3631.000221][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.000221][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.000221][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.000221][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3631.000221][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3631.000221][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3631.000221][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3631.000221][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3631.000221][ T72] addrconf_dad_begin+0x310/0x670 [ 3631.000221][ T72] addrconf_dad_work+0x10b/0xab0 [ 3631.000221][ T72] process_one_work+0x84d/0x18a0 [ 3631.000221][ T72] worker_thread+0x587/0xd30 [ 3631.000221][ T72] kthread+0x28a/0x350 [ 3631.000221][ T72] ret_from_fork+0x31/0x70 [ 3631.000221][ T72] ret_from_fork_asm+0x1a/0x30 [ 3631.000221][ T72] [ 3631.002163][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3631.002163][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.002163][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.002163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.002163][ T72] ip6_route_add+0x1c/0x140 [ 3631.002163][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3631.002163][ T72] inet6_addr_add+0x4f8/0xa40 [ 3631.002163][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.002163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.002163][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.002163][ T72] netlink_unicast+0x449/0x710 [ 3631.002163][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.002163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.002163][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.002163][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.002163][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.002163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.002163][ T72] [ 3631.004191][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3631.004191][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.004191][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.004191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.004191][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3631.004191][ T72] ipv6_add_addr+0x411/0x2000 [ 3631.004191][ T72] inet6_addr_add+0x30e/0xa40 [ 3631.004191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.004191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.004191][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.004191][ T72] netlink_unicast+0x449/0x710 [ 3631.004191][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.004191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.004191][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.004191][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.004191][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.004191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.004191][ T72] [ 3631.006198][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3631.006198][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.006198][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.006198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.006198][ T72] ip6_route_add+0x1c/0x140 [ 3631.006198][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3631.006198][ T72] addrconf_add_dev+0xe2/0x170 [ 3631.006198][ T72] inet6_addr_add+0x12f/0xa40 [ 3631.006198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.006198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.006198][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.006198][ T72] netlink_unicast+0x449/0x710 [ 3631.006198][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.006198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.006198][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.006198][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.006198][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.006198][ T72] [ 3631.008175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3631.008175][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3631.008175][ T72] ipv6_find_idev+0x102/0x170 [ 3631.008175][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3631.008175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.008175][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.008175][ T72] netlink_unicast+0x449/0x710 [ 3631.008175][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.008175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.008175][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.008175][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.008175][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.008175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.008175][ T72] [ 3631.009716][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3631.009716][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3631.009716][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3631.009716][ T72] ipv6_find_idev+0x102/0x170 [ 3631.009716][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3631.009716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.009716][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.009716][ T72] netlink_unicast+0x449/0x710 [ 3631.009716][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.009716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.009716][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.009716][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.009716][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.009716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.009716][ T72] [ 3631.011547][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3631.011822][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3631.011822][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3631.011822][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3631.011822][ T72] fib6_nh_init+0xa22/0x1580 [ 3631.011822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.011822][ T72] ip6_route_add+0x1c/0x140 [ 3631.011822][ T72] inet6_rtm_newroute+0x104/0x110 [ 3631.011822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.011822][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.011822][ T72] netlink_unicast+0x449/0x710 [ 3631.011822][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.011822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.011822][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.011822][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.011822][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.011822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.011822][ T72] [ 3631.014000][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3631.014000][ T72] dst_init+0x84/0x4a0 [ 3631.014000][ T72] dst_alloc+0x97/0x150 [ 3631.014000][ T72] ip6_dst_alloc+0x23/0x90 [ 3631.014000][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3631.014000][ T72] ip6_pol_route+0x56f/0x840 [ 3631.014000][ T72] fib6_rule_lookup+0x456/0x630 [ 3631.014000][ T72] ip6_route_input+0x59c/0xa50 [ 3631.014000][ T72] ipv6_rcv+0x397/0x810 [ 3631.014000][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3631.014000][ T72] process_backlog+0x101/0x620 [ 3631.014000][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3631.014000][ T72] net_rx_action+0x495/0xbe0 [ 3631.014000][ T72] __do_softirq+0x1b5/0x7f6 [ 3631.014000][ T72] [ 3631.015818][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3631.015818][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.015818][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.015818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.015818][ T72] ip6_route_add+0x1c/0x140 [ 3631.015818][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3631.015818][ T72] inet6_addr_add+0x4f8/0xa40 [ 3631.015818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.015818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.015818][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.015818][ T72] netlink_unicast+0x449/0x710 [ 3631.015818][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.015818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.015818][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.015818][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.015818][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.015818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.015818][ T72] [ 3631.018080][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3631.018080][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.018080][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.018080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.018080][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3631.018080][ T72] ipv6_add_addr+0x411/0x2000 [ 3631.018080][ T72] inet6_addr_add+0x30e/0xa40 [ 3631.018080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.018080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.018080][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.018080][ T72] netlink_unicast+0x449/0x710 [ 3631.018080][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.018080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.018080][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.018080][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.018080][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.018080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.018080][ T72] [ 3631.020257][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3631.020257][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.020257][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.020257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.020257][ T72] ip6_route_add+0x1c/0x140 [ 3631.020257][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3631.020257][ T72] addrconf_add_dev+0xe2/0x170 [ 3631.020257][ T72] inet6_addr_add+0x12f/0xa40 [ 3631.020257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.020257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.020257][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.020257][ T72] netlink_unicast+0x449/0x710 [ 3631.020257][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.020257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.020257][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.020257][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.020257][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.020257][ T72] [ 3631.022584][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3631.022584][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3631.022584][ T72] ipv6_find_idev+0x102/0x170 [ 3631.022584][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3631.022584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.022584][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.022584][ T72] netlink_unicast+0x449/0x710 [ 3631.022584][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.022584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.022584][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.022584][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.022584][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.022584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.022584][ T72] [ 3631.024310][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3631.024310][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3631.024310][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3631.024310][ T72] ipv6_find_idev+0x102/0x170 [ 3631.024310][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3631.024310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.024310][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.024310][ T72] netlink_unicast+0x449/0x710 [ 3631.024310][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.024310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.024310][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.024310][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.024310][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.024310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.024310][ T72] [ 3631.026203][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3631.026562][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3631.026562][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.026562][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.026562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.026562][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3631.026562][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3631.026562][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3631.026562][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3631.026562][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3631.026562][ T72] addrconf_dad_begin+0x310/0x670 [ 3631.026562][ T72] addrconf_dad_work+0x10b/0xab0 [ 3631.026562][ T72] process_one_work+0x84d/0x18a0 [ 3631.026562][ T72] worker_thread+0x587/0xd30 [ 3631.026562][ T72] kthread+0x28a/0x350 [ 3631.026562][ T72] ret_from_fork+0x31/0x70 [ 3631.026562][ T72] ret_from_fork_asm+0x1a/0x30 [ 3631.026562][ T72] [ 3631.028594][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3631.028594][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.028594][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.028594][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.028594][ T72] ip6_route_add+0x1c/0x140 [ 3631.028594][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3631.028594][ T72] inet6_addr_add+0x4f8/0xa40 [ 3631.028594][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.028594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.028594][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.028594][ T72] netlink_unicast+0x449/0x710 [ 3631.028594][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.028594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.028594][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.028594][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.028594][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.028594][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.028594][ T72] [ 3631.030961][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3631.030961][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.030961][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.030961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.030961][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3631.030961][ T72] ipv6_add_addr+0x411/0x2000 [ 3631.030961][ T72] inet6_addr_add+0x30e/0xa40 [ 3631.030961][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.030961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.030961][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.030961][ T72] netlink_unicast+0x449/0x710 [ 3631.030961][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.030961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.030961][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.030961][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.030961][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.030961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.030961][ T72] [ 3631.033265][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3631.033265][ T72] netdev_get_by_index+0x5e/0x80 [ 3631.033265][ T72] fib6_nh_init+0x3d8/0x1580 [ 3631.033265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3631.033265][ T72] ip6_route_add+0x1c/0x140 [ 3631.033265][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3631.033265][ T72] addrconf_add_dev+0xe2/0x170 [ 3631.033265][ T72] inet6_addr_add+0x12f/0xa40 [ 3631.033265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.033265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.033265][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.033265][ T72] netlink_unicast+0x449/0x710 [ 3631.033265][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.033265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.033265][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.033265][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.033265][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.033265][ T72] [ 3631.035463][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3631.035463][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3631.035463][ T72] ipv6_find_idev+0x102/0x170 [ 3631.035463][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3631.035463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.035463][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.035463][ T72] netlink_unicast+0x449/0x710 [ 3631.035463][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.035463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.035463][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.035463][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.035463][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.035463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.035463][ T72] [ 3631.037192][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3631.037192][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3631.037192][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3631.037192][ T72] ipv6_find_idev+0x102/0x170 [ 3631.037192][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3631.037192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.037192][ T72] netlink_rcv_skb+0x130/0x360 [ 3631.037192][ T72] netlink_unicast+0x449/0x710 [ 3631.037192][ T72] netlink_sendmsg+0x723/0xbe0 [ 3631.037192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3631.037192][ T72] ___sys_sendmsg+0xee/0x170 [ 3631.037192][ T72] __sys_sendmsg+0xcd/0x170 [ 3631.037192][ T72] do_syscall_64+0xc6/0x1e0 [ 3631.037192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.037192][ T72] [ 3641.096966][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3641.097488][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3641.097488][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3641.097488][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3641.097488][ T72] fib6_nh_init+0xa22/0x1580 [ 3641.097488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.097488][ T72] ip6_route_add+0x1c/0x140 [ 3641.097488][ T72] inet6_rtm_newroute+0x104/0x110 [ 3641.097488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.097488][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.097488][ T72] netlink_unicast+0x449/0x710 [ 3641.097488][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.097488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.097488][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.097488][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.097488][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.097488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.097488][ T72] [ 3641.099397][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3641.099397][ T72] dst_init+0x84/0x4a0 [ 3641.099397][ T72] dst_alloc+0x97/0x150 [ 3641.099397][ T72] ip6_dst_alloc+0x23/0x90 [ 3641.099397][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3641.099397][ T72] ip6_pol_route+0x56f/0x840 [ 3641.099397][ T72] fib6_rule_lookup+0x456/0x630 [ 3641.099397][ T72] ip6_route_input+0x59c/0xa50 [ 3641.099397][ T72] ipv6_rcv+0x397/0x810 [ 3641.099397][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3641.099397][ T72] process_backlog+0x101/0x620 [ 3641.099397][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3641.099397][ T72] net_rx_action+0x495/0xbe0 [ 3641.099397][ T72] __do_softirq+0x1b5/0x7f6 [ 3641.099397][ T72] [ 3641.101060][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3641.101060][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.101060][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.101060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.101060][ T72] ip6_route_add+0x1c/0x140 [ 3641.101060][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3641.101060][ T72] inet6_addr_add+0x4f8/0xa40 [ 3641.101060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.101060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.101060][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.101060][ T72] netlink_unicast+0x449/0x710 [ 3641.101060][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.101060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.101060][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.101060][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.101060][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.101060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.101060][ T72] [ 3641.103063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3641.103063][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.103063][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.103063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.103063][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3641.103063][ T72] ipv6_add_addr+0x411/0x2000 [ 3641.103063][ T72] inet6_addr_add+0x30e/0xa40 [ 3641.103063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.103063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.103063][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.103063][ T72] netlink_unicast+0x449/0x710 [ 3641.103063][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.103063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.103063][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.103063][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.103063][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.103063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.103063][ T72] [ 3641.105072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3641.105072][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.105072][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.105072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.105072][ T72] ip6_route_add+0x1c/0x140 [ 3641.105072][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3641.105072][ T72] addrconf_add_dev+0xe2/0x170 [ 3641.105072][ T72] inet6_addr_add+0x12f/0xa40 [ 3641.105072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.105072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.105072][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.105072][ T72] netlink_unicast+0x449/0x710 [ 3641.105072][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.105072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.105072][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.105072][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.105072][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.105072][ T72] [ 3641.107038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3641.107038][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3641.107038][ T72] ipv6_find_idev+0x102/0x170 [ 3641.107038][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.107038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.107038][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.107038][ T72] netlink_unicast+0x449/0x710 [ 3641.107038][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.107038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.107038][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.107038][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.107038][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.107038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.107038][ T72] [ 3641.108578][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3641.108578][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3641.108578][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3641.108578][ T72] ipv6_find_idev+0x102/0x170 [ 3641.108578][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.108578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.108578][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.108578][ T72] netlink_unicast+0x449/0x710 [ 3641.108578][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.108578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.108578][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.108578][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.108578][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.108578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.108578][ T72] [ 3641.110317][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3641.110599][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3641.110599][ T72] dst_init+0x84/0x4a0 [ 3641.110599][ T72] dst_alloc+0x97/0x150 [ 3641.110599][ T72] ip6_dst_alloc+0x23/0x90 [ 3641.110599][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3641.110599][ T72] ip6_pol_route+0x56f/0x840 [ 3641.110599][ T72] fib6_rule_lookup+0x456/0x630 [ 3641.110599][ T72] ip6_route_input+0x59c/0xa50 [ 3641.110599][ T72] ipv6_rcv+0x397/0x810 [ 3641.110599][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3641.110599][ T72] process_backlog+0x101/0x620 [ 3641.110599][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3641.110599][ T72] net_rx_action+0x495/0xbe0 [ 3641.110599][ T72] __do_softirq+0x1b5/0x7f6 [ 3641.110599][ T72] [ 3641.112251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3641.112251][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.112251][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.112251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.112251][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3641.112251][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3641.112251][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3641.112251][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3641.112251][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3641.112251][ T72] addrconf_dad_begin+0x310/0x670 [ 3641.112251][ T72] addrconf_dad_work+0x10b/0xab0 [ 3641.112251][ T72] process_one_work+0x84d/0x18a0 [ 3641.112251][ T72] worker_thread+0x587/0xd30 [ 3641.112251][ T72] kthread+0x28a/0x350 [ 3641.112251][ T72] ret_from_fork+0x31/0x70 [ 3641.112251][ T72] ret_from_fork_asm+0x1a/0x30 [ 3641.112251][ T72] [ 3641.114176][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3641.114176][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.114176][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.114176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.114176][ T72] ip6_route_add+0x1c/0x140 [ 3641.114176][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3641.114176][ T72] inet6_addr_add+0x4f8/0xa40 [ 3641.114176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.114176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.114176][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.114176][ T72] netlink_unicast+0x449/0x710 [ 3641.114176][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.114176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.114176][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.114176][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.114176][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.114176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.114176][ T72] [ 3641.116172][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3641.116172][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.116172][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.116172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.116172][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3641.116172][ T72] ipv6_add_addr+0x411/0x2000 [ 3641.116172][ T72] inet6_addr_add+0x30e/0xa40 [ 3641.116172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.116172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.116172][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.116172][ T72] netlink_unicast+0x449/0x710 [ 3641.116172][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.116172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.116172][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.116172][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.116172][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.116172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.116172][ T72] [ 3641.118169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3641.118169][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.118169][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.118169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.118169][ T72] ip6_route_add+0x1c/0x140 [ 3641.118169][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3641.118169][ T72] addrconf_add_dev+0xe2/0x170 [ 3641.118169][ T72] inet6_addr_add+0x12f/0xa40 [ 3641.118169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.118169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.118169][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.118169][ T72] netlink_unicast+0x449/0x710 [ 3641.118169][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.118169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.118169][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.118169][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.118169][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.118169][ T72] [ 3641.120133][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3641.120133][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3641.120133][ T72] ipv6_find_idev+0x102/0x170 [ 3641.120133][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.120133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.120133][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.120133][ T72] netlink_unicast+0x449/0x710 [ 3641.120133][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.120133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.120133][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.120133][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.120133][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.120133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.120133][ T72] [ 3641.121684][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3641.121684][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3641.121684][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3641.121684][ T72] ipv6_find_idev+0x102/0x170 [ 3641.121684][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.121684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.121684][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.121684][ T72] netlink_unicast+0x449/0x710 [ 3641.121684][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.121684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.121684][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.121684][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.121684][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.121684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.121684][ T72] [ 3641.123493][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3641.123774][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3641.123774][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3641.123774][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3641.123774][ T72] fib6_nh_init+0xa22/0x1580 [ 3641.123774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.123774][ T72] ip6_route_add+0x1c/0x140 [ 3641.123774][ T72] inet6_rtm_newroute+0x104/0x110 [ 3641.123774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.123774][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.123774][ T72] netlink_unicast+0x449/0x710 [ 3641.123774][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.123774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.123774][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.123774][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.123774][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.123774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.123774][ T72] [ 3641.125954][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3641.125954][ T72] dst_init+0x84/0x4a0 [ 3641.125954][ T72] dst_alloc+0x97/0x150 [ 3641.125954][ T72] ip6_dst_alloc+0x23/0x90 [ 3641.125954][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3641.125954][ T72] ip6_pol_route+0x56f/0x840 [ 3641.125954][ T72] fib6_rule_lookup+0x456/0x630 [ 3641.125954][ T72] ip6_route_input+0x59c/0xa50 [ 3641.125954][ T72] ipv6_rcv+0x397/0x810 [ 3641.125954][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3641.125954][ T72] process_backlog+0x101/0x620 [ 3641.125954][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3641.125954][ T72] net_rx_action+0x495/0xbe0 [ 3641.125954][ T72] __do_softirq+0x1b5/0x7f6 [ 3641.125954][ T72] [ 3641.127765][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3641.127765][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.127765][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.127765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.127765][ T72] ip6_route_add+0x1c/0x140 [ 3641.127765][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3641.127765][ T72] inet6_addr_add+0x4f8/0xa40 [ 3641.127765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.127765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.127765][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.127765][ T72] netlink_unicast+0x449/0x710 [ 3641.127765][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.127765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.127765][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.127765][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.127765][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.127765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.127765][ T72] [ 3641.130016][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3641.130016][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.130016][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.130016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.130016][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3641.130016][ T72] ipv6_add_addr+0x411/0x2000 [ 3641.130016][ T72] inet6_addr_add+0x30e/0xa40 [ 3641.130016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.130016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.130016][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.130016][ T72] netlink_unicast+0x449/0x710 [ 3641.130016][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.130016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.130016][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.130016][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.130016][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.130016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.130016][ T72] [ 3641.132199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3641.132199][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.132199][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.132199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.132199][ T72] ip6_route_add+0x1c/0x140 [ 3641.132199][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3641.132199][ T72] addrconf_add_dev+0xe2/0x170 [ 3641.132199][ T72] inet6_addr_add+0x12f/0xa40 [ 3641.132199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.132199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.132199][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.132199][ T72] netlink_unicast+0x449/0x710 [ 3641.132199][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.132199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.132199][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.132199][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.132199][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.132199][ T72] [ 3641.134471][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3641.134471][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3641.134471][ T72] ipv6_find_idev+0x102/0x170 [ 3641.134471][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.134471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.134471][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.134471][ T72] netlink_unicast+0x449/0x710 [ 3641.134471][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.134471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.134471][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.134471][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.134471][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.134471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.134471][ T72] [ 3641.136209][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3641.136209][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3641.136209][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3641.136209][ T72] ipv6_find_idev+0x102/0x170 [ 3641.136209][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.136209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.136209][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.136209][ T72] netlink_unicast+0x449/0x710 [ 3641.136209][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.136209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.136209][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.136209][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.136209][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.136209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.136209][ T72] [ 3641.138080][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3641.138421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3641.138421][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.138421][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.138421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.138421][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3641.138421][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3641.138421][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3641.138421][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3641.138421][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3641.138421][ T72] addrconf_dad_begin+0x310/0x670 [ 3641.138421][ T72] addrconf_dad_work+0x10b/0xab0 [ 3641.138421][ T72] process_one_work+0x84d/0x18a0 [ 3641.138421][ T72] worker_thread+0x587/0xd30 [ 3641.138421][ T72] kthread+0x28a/0x350 [ 3641.138421][ T72] ret_from_fork+0x31/0x70 [ 3641.138421][ T72] ret_from_fork_asm+0x1a/0x30 [ 3641.138421][ T72] [ 3641.140452][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3641.140452][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.140452][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.140452][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.140452][ T72] ip6_route_add+0x1c/0x140 [ 3641.140452][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3641.140452][ T72] inet6_addr_add+0x4f8/0xa40 [ 3641.140452][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.140452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.140452][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.140452][ T72] netlink_unicast+0x449/0x710 [ 3641.140452][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.140452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.140452][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.140452][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.140452][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.140452][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.140452][ T72] [ 3641.142696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3641.142696][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.142696][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.142696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.142696][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3641.142696][ T72] ipv6_add_addr+0x411/0x2000 [ 3641.142696][ T72] inet6_addr_add+0x30e/0xa40 [ 3641.142696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.142696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.142696][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.142696][ T72] netlink_unicast+0x449/0x710 [ 3641.142696][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.142696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.142696][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.142696][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.142696][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.142696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.142696][ T72] [ 3641.145002][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3641.145002][ T72] netdev_get_by_index+0x5e/0x80 [ 3641.145002][ T72] fib6_nh_init+0x3d8/0x1580 [ 3641.145002][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3641.145002][ T72] ip6_route_add+0x1c/0x140 [ 3641.145002][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3641.145002][ T72] addrconf_add_dev+0xe2/0x170 [ 3641.145002][ T72] inet6_addr_add+0x12f/0xa40 [ 3641.145002][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.145002][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.145002][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.145002][ T72] netlink_unicast+0x449/0x710 [ 3641.145002][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.145002][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.145002][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.145002][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.145002][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.145002][ T72] [ 3641.147212][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3641.147212][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3641.147212][ T72] ipv6_find_idev+0x102/0x170 [ 3641.147212][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.147212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.147212][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.147212][ T72] netlink_unicast+0x449/0x710 [ 3641.147212][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.147212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.147212][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.147212][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.147212][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.147212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.147212][ T72] [ 3641.148929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3641.148929][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3641.148929][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3641.148929][ T72] ipv6_find_idev+0x102/0x170 [ 3641.148929][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.148929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.148929][ T72] netlink_rcv_skb+0x130/0x360 [ 3641.148929][ T72] netlink_unicast+0x449/0x710 [ 3641.148929][ T72] netlink_sendmsg+0x723/0xbe0 [ 3641.148929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3641.148929][ T72] ___sys_sendmsg+0xee/0x170 [ 3641.148929][ T72] __sys_sendmsg+0xcd/0x170 [ 3641.148929][ T72] do_syscall_64+0xc6/0x1e0 [ 3641.148929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.148929][ T72] [ 3651.400951][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3651.401470][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3651.401470][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3651.401470][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3651.401470][ T72] fib6_nh_init+0xa22/0x1580 [ 3651.401470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.401470][ T72] ip6_route_add+0x1c/0x140 [ 3651.401470][ T72] inet6_rtm_newroute+0x104/0x110 [ 3651.401470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.401470][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.401470][ T72] netlink_unicast+0x449/0x710 [ 3651.401470][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.401470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.401470][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.401470][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.401470][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.401470][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.401470][ T72] [ 3651.403378][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3651.403378][ T72] dst_init+0x84/0x4a0 [ 3651.403378][ T72] dst_alloc+0x97/0x150 [ 3651.403378][ T72] ip6_dst_alloc+0x23/0x90 [ 3651.403378][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3651.403378][ T72] ip6_pol_route+0x56f/0x840 [ 3651.403378][ T72] fib6_rule_lookup+0x456/0x630 [ 3651.403378][ T72] ip6_route_input+0x59c/0xa50 [ 3651.403378][ T72] ipv6_rcv+0x397/0x810 [ 3651.403378][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3651.403378][ T72] process_backlog+0x101/0x620 [ 3651.403378][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3651.403378][ T72] net_rx_action+0x495/0xbe0 [ 3651.403378][ T72] __do_softirq+0x1b5/0x7f6 [ 3651.403378][ T72] [ 3651.405019][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3651.405019][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.405019][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.405019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.405019][ T72] ip6_route_add+0x1c/0x140 [ 3651.405019][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3651.405019][ T72] inet6_addr_add+0x4f8/0xa40 [ 3651.405019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.405019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.405019][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.405019][ T72] netlink_unicast+0x449/0x710 [ 3651.405019][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.405019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.405019][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.405019][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.405019][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.405019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.405019][ T72] [ 3651.407021][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3651.407021][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.407021][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.407021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.407021][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3651.407021][ T72] ipv6_add_addr+0x411/0x2000 [ 3651.407021][ T72] inet6_addr_add+0x30e/0xa40 [ 3651.407021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.407021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.407021][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.407021][ T72] netlink_unicast+0x449/0x710 [ 3651.407021][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.407021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.407021][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.407021][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.407021][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.407021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.407021][ T72] [ 3651.409025][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3651.409025][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.409025][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.409025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.409025][ T72] ip6_route_add+0x1c/0x140 [ 3651.409025][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3651.409025][ T72] addrconf_add_dev+0xe2/0x170 [ 3651.409025][ T72] inet6_addr_add+0x12f/0xa40 [ 3651.409025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.409025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.409025][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.409025][ T72] netlink_unicast+0x449/0x710 [ 3651.409025][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.409025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.409025][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.409025][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.409025][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.409025][ T72] [ 3651.411021][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3651.411021][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3651.411021][ T72] ipv6_find_idev+0x102/0x170 [ 3651.411021][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.411021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.411021][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.411021][ T72] netlink_unicast+0x449/0x710 [ 3651.411021][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.411021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.411021][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.411021][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.411021][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.411021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.411021][ T72] [ 3651.412583][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3651.412583][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3651.412583][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3651.412583][ T72] ipv6_find_idev+0x102/0x170 [ 3651.412583][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.412583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.412583][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.412583][ T72] netlink_unicast+0x449/0x710 [ 3651.412583][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.412583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.412583][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.412583][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.412583][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.412583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.412583][ T72] [ 3651.414294][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3651.414565][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3651.414565][ T72] dst_init+0x84/0x4a0 [ 3651.414565][ T72] dst_alloc+0x97/0x150 [ 3651.414565][ T72] ip6_dst_alloc+0x23/0x90 [ 3651.414565][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3651.414565][ T72] ip6_pol_route+0x56f/0x840 [ 3651.414565][ T72] fib6_rule_lookup+0x456/0x630 [ 3651.414565][ T72] ip6_route_input+0x59c/0xa50 [ 3651.414565][ T72] ipv6_rcv+0x397/0x810 [ 3651.414565][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3651.414565][ T72] process_backlog+0x101/0x620 [ 3651.414565][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3651.414565][ T72] net_rx_action+0x495/0xbe0 [ 3651.414565][ T72] __do_softirq+0x1b5/0x7f6 [ 3651.414565][ T72] [ 3651.416214][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3651.416214][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.416214][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.416214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.416214][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3651.416214][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3651.416214][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3651.416214][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3651.416214][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3651.416214][ T72] addrconf_dad_begin+0x310/0x670 [ 3651.416214][ T72] addrconf_dad_work+0x10b/0xab0 [ 3651.416214][ T72] process_one_work+0x84d/0x18a0 [ 3651.416214][ T72] worker_thread+0x587/0xd30 [ 3651.416214][ T72] kthread+0x28a/0x350 [ 3651.416214][ T72] ret_from_fork+0x31/0x70 [ 3651.416214][ T72] ret_from_fork_asm+0x1a/0x30 [ 3651.416214][ T72] [ 3651.418130][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3651.418130][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.418130][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.418130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.418130][ T72] ip6_route_add+0x1c/0x140 [ 3651.418130][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3651.418130][ T72] inet6_addr_add+0x4f8/0xa40 [ 3651.418130][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.418130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.418130][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.418130][ T72] netlink_unicast+0x449/0x710 [ 3651.418130][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.418130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.418130][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.418130][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.418130][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.418130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.418130][ T72] [ 3651.420132][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3651.420132][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.420132][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.420132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.420132][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3651.420132][ T72] ipv6_add_addr+0x411/0x2000 [ 3651.420132][ T72] inet6_addr_add+0x30e/0xa40 [ 3651.420132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.420132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.420132][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.420132][ T72] netlink_unicast+0x449/0x710 [ 3651.420132][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.420132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.420132][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.420132][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.420132][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.420132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.420132][ T72] [ 3651.422135][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3651.422135][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.422135][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.422135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.422135][ T72] ip6_route_add+0x1c/0x140 [ 3651.422135][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3651.422135][ T72] addrconf_add_dev+0xe2/0x170 [ 3651.422135][ T72] inet6_addr_add+0x12f/0xa40 [ 3651.422135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.422135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.422135][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.422135][ T72] netlink_unicast+0x449/0x710 [ 3651.422135][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.422135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.422135][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.422135][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.422135][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.422135][ T72] [ 3651.424101][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3651.424101][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3651.424101][ T72] ipv6_find_idev+0x102/0x170 [ 3651.424101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.424101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.424101][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.424101][ T72] netlink_unicast+0x449/0x710 [ 3651.424101][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.424101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.424101][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.424101][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.424101][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.424101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.424101][ T72] [ 3651.425668][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3651.425668][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3651.425668][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3651.425668][ T72] ipv6_find_idev+0x102/0x170 [ 3651.425668][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.425668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.425668][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.425668][ T72] netlink_unicast+0x449/0x710 [ 3651.425668][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.425668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.425668][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.425668][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.425668][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.425668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.425668][ T72] [ 3651.427487][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3651.427770][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3651.427770][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3651.427770][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3651.427770][ T72] fib6_nh_init+0xa22/0x1580 [ 3651.427770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.427770][ T72] ip6_route_add+0x1c/0x140 [ 3651.427770][ T72] inet6_rtm_newroute+0x104/0x110 [ 3651.427770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.427770][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.427770][ T72] netlink_unicast+0x449/0x710 [ 3651.427770][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.427770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.427770][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.427770][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.427770][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.427770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.427770][ T72] [ 3651.429966][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3651.429966][ T72] dst_init+0x84/0x4a0 [ 3651.429966][ T72] dst_alloc+0x97/0x150 [ 3651.429966][ T72] ip6_dst_alloc+0x23/0x90 [ 3651.429966][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3651.429966][ T72] ip6_pol_route+0x56f/0x840 [ 3651.429966][ T72] fib6_rule_lookup+0x456/0x630 [ 3651.429966][ T72] ip6_route_input+0x59c/0xa50 [ 3651.429966][ T72] ipv6_rcv+0x397/0x810 [ 3651.429966][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3651.429966][ T72] process_backlog+0x101/0x620 [ 3651.429966][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3651.429966][ T72] net_rx_action+0x495/0xbe0 [ 3651.429966][ T72] __do_softirq+0x1b5/0x7f6 [ 3651.429966][ T72] [ 3651.431798][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3651.431798][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.431798][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.431798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.431798][ T72] ip6_route_add+0x1c/0x140 [ 3651.431798][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3651.431798][ T72] inet6_addr_add+0x4f8/0xa40 [ 3651.431798][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.431798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.431798][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.431798][ T72] netlink_unicast+0x449/0x710 [ 3651.431798][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.431798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.431798][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.431798][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.431798][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.431798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.431798][ T72] [ 3651.434037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3651.434037][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.434037][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.434037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.434037][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3651.434037][ T72] ipv6_add_addr+0x411/0x2000 [ 3651.434037][ T72] inet6_addr_add+0x30e/0xa40 [ 3651.434037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.434037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.434037][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.434037][ T72] netlink_unicast+0x449/0x710 [ 3651.434037][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.434037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.434037][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.434037][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.434037][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.434037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.434037][ T72] [ 3651.436228][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3651.436228][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.436228][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.436228][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.436228][ T72] ip6_route_add+0x1c/0x140 [ 3651.436228][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3651.436228][ T72] addrconf_add_dev+0xe2/0x170 [ 3651.436228][ T72] inet6_addr_add+0x12f/0xa40 [ 3651.436228][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.436228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.436228][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.436228][ T72] netlink_unicast+0x449/0x710 [ 3651.436228][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.436228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.436228][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.436228][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.436228][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.436228][ T72] [ 3651.438494][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3651.438494][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3651.438494][ T72] ipv6_find_idev+0x102/0x170 [ 3651.438494][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.438494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.438494][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.438494][ T72] netlink_unicast+0x449/0x710 [ 3651.438494][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.438494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.438494][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.438494][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.438494][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.438494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.438494][ T72] [ 3651.440215][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3651.440215][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3651.440215][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3651.440215][ T72] ipv6_find_idev+0x102/0x170 [ 3651.440215][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.440215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.440215][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.440215][ T72] netlink_unicast+0x449/0x710 [ 3651.440215][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.440215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.440215][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.440215][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.440215][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.440215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.440215][ T72] [ 3651.442091][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3651.442430][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3651.442430][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.442430][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.442430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.442430][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3651.442430][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3651.442430][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3651.442430][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3651.442430][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3651.442430][ T72] addrconf_dad_begin+0x310/0x670 [ 3651.442430][ T72] addrconf_dad_work+0x10b/0xab0 [ 3651.442430][ T72] process_one_work+0x84d/0x18a0 [ 3651.442430][ T72] worker_thread+0x587/0xd30 [ 3651.442430][ T72] kthread+0x28a/0x350 [ 3651.442430][ T72] ret_from_fork+0x31/0x70 [ 3651.442430][ T72] ret_from_fork_asm+0x1a/0x30 [ 3651.442430][ T72] [ 3651.444455][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3651.444455][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.444455][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.444455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.444455][ T72] ip6_route_add+0x1c/0x140 [ 3651.444455][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3651.444455][ T72] inet6_addr_add+0x4f8/0xa40 [ 3651.444455][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.444455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.444455][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.444455][ T72] netlink_unicast+0x449/0x710 [ 3651.444455][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.444455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.444455][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.444455][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.444455][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.444455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.444455][ T72] [ 3651.446696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3651.446696][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.446696][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.446696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.446696][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3651.446696][ T72] ipv6_add_addr+0x411/0x2000 [ 3651.446696][ T72] inet6_addr_add+0x30e/0xa40 [ 3651.446696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.446696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.446696][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.446696][ T72] netlink_unicast+0x449/0x710 [ 3651.446696][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.446696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.446696][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.446696][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.446696][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.446696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.446696][ T72] [ 3651.449014][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3651.449014][ T72] netdev_get_by_index+0x5e/0x80 [ 3651.449014][ T72] fib6_nh_init+0x3d8/0x1580 [ 3651.449014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3651.449014][ T72] ip6_route_add+0x1c/0x140 [ 3651.449014][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3651.449014][ T72] addrconf_add_dev+0xe2/0x170 [ 3651.449014][ T72] inet6_addr_add+0x12f/0xa40 [ 3651.449014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.449014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.449014][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.449014][ T72] netlink_unicast+0x449/0x710 [ 3651.449014][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.449014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.449014][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.449014][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.449014][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.449014][ T72] [ 3651.451228][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3651.451228][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3651.451228][ T72] ipv6_find_idev+0x102/0x170 [ 3651.451228][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.451228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.451228][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.451228][ T72] netlink_unicast+0x449/0x710 [ 3651.451228][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.451228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.451228][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.451228][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.451228][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.451228][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.451228][ T72] [ 3651.452949][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3651.452949][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3651.452949][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3651.452949][ T72] ipv6_find_idev+0x102/0x170 [ 3651.452949][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.452949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.452949][ T72] netlink_rcv_skb+0x130/0x360 [ 3651.452949][ T72] netlink_unicast+0x449/0x710 [ 3651.452949][ T72] netlink_sendmsg+0x723/0xbe0 [ 3651.452949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3651.452949][ T72] ___sys_sendmsg+0xee/0x170 [ 3651.452949][ T72] __sys_sendmsg+0xcd/0x170 [ 3651.452949][ T72] do_syscall_64+0xc6/0x1e0 [ 3651.452949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.452949][ T72] [ 3661.560967][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3661.561479][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3661.561479][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3661.561479][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3661.561479][ T72] fib6_nh_init+0xa22/0x1580 [ 3661.561479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.561479][ T72] ip6_route_add+0x1c/0x140 [ 3661.561479][ T72] inet6_rtm_newroute+0x104/0x110 [ 3661.561479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.561479][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.561479][ T72] netlink_unicast+0x449/0x710 [ 3661.561479][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.561479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.561479][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.561479][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.561479][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.561479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.561479][ T72] [ 3661.563379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3661.563379][ T72] dst_init+0x84/0x4a0 [ 3661.563379][ T72] dst_alloc+0x97/0x150 [ 3661.563379][ T72] ip6_dst_alloc+0x23/0x90 [ 3661.563379][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3661.563379][ T72] ip6_pol_route+0x56f/0x840 [ 3661.563379][ T72] fib6_rule_lookup+0x456/0x630 [ 3661.563379][ T72] ip6_route_input+0x59c/0xa50 [ 3661.563379][ T72] ipv6_rcv+0x397/0x810 [ 3661.563379][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3661.563379][ T72] process_backlog+0x101/0x620 [ 3661.563379][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3661.563379][ T72] net_rx_action+0x495/0xbe0 [ 3661.563379][ T72] __do_softirq+0x1b5/0x7f6 [ 3661.563379][ T72] [ 3661.565010][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3661.565010][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.565010][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.565010][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.565010][ T72] ip6_route_add+0x1c/0x140 [ 3661.565010][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3661.565010][ T72] inet6_addr_add+0x4f8/0xa40 [ 3661.565010][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.565010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.565010][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.565010][ T72] netlink_unicast+0x449/0x710 [ 3661.565010][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.565010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.565010][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.565010][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.565010][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.565010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.565010][ T72] [ 3661.566989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3661.566989][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.566989][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.566989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.566989][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3661.566989][ T72] ipv6_add_addr+0x411/0x2000 [ 3661.566989][ T72] inet6_addr_add+0x30e/0xa40 [ 3661.566989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.566989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.566989][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.566989][ T72] netlink_unicast+0x449/0x710 [ 3661.566989][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.566989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.566989][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.566989][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.566989][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.566989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.566989][ T72] [ 3661.569000][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3661.569000][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.569000][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.569000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.569000][ T72] ip6_route_add+0x1c/0x140 [ 3661.569000][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3661.569000][ T72] addrconf_add_dev+0xe2/0x170 [ 3661.569000][ T72] inet6_addr_add+0x12f/0xa40 [ 3661.569000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.569000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.569000][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.569000][ T72] netlink_unicast+0x449/0x710 [ 3661.569000][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.569000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.569000][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.569000][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.569000][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.569000][ T72] [ 3661.570994][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3661.570994][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3661.570994][ T72] ipv6_find_idev+0x102/0x170 [ 3661.570994][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.570994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.570994][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.570994][ T72] netlink_unicast+0x449/0x710 [ 3661.570994][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.570994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.570994][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.570994][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.570994][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.570994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.570994][ T72] [ 3661.572551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3661.572551][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3661.572551][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3661.572551][ T72] ipv6_find_idev+0x102/0x170 [ 3661.572551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.572551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.572551][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.572551][ T72] netlink_unicast+0x449/0x710 [ 3661.572551][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.572551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.572551][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.572551][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.572551][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.572551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.572551][ T72] [ 3661.574827][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3661.575112][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3661.575112][ T72] dst_init+0x84/0x4a0 [ 3661.575112][ T72] dst_alloc+0x97/0x150 [ 3661.575112][ T72] ip6_dst_alloc+0x23/0x90 [ 3661.575112][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3661.575112][ T72] ip6_pol_route+0x56f/0x840 [ 3661.575112][ T72] fib6_rule_lookup+0x456/0x630 [ 3661.575112][ T72] ip6_route_input+0x59c/0xa50 [ 3661.575112][ T72] ipv6_rcv+0x397/0x810 [ 3661.575112][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3661.575112][ T72] process_backlog+0x101/0x620 [ 3661.575112][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3661.575112][ T72] net_rx_action+0x495/0xbe0 [ 3661.575112][ T72] __do_softirq+0x1b5/0x7f6 [ 3661.575112][ T72] [ 3661.576759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3661.576759][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.576759][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.576759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.576759][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3661.576759][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3661.576759][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3661.576759][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3661.576759][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3661.576759][ T72] addrconf_dad_begin+0x310/0x670 [ 3661.576759][ T72] addrconf_dad_work+0x10b/0xab0 [ 3661.576759][ T72] process_one_work+0x84d/0x18a0 [ 3661.576759][ T72] worker_thread+0x587/0xd30 [ 3661.576759][ T72] kthread+0x28a/0x350 [ 3661.576759][ T72] ret_from_fork+0x31/0x70 [ 3661.576759][ T72] ret_from_fork_asm+0x1a/0x30 [ 3661.576759][ T72] [ 3661.578668][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3661.578668][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.578668][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.578668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.578668][ T72] ip6_route_add+0x1c/0x140 [ 3661.578668][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3661.578668][ T72] inet6_addr_add+0x4f8/0xa40 [ 3661.578668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.578668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.578668][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.578668][ T72] netlink_unicast+0x449/0x710 [ 3661.578668][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.578668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.578668][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.578668][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.578668][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.578668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.578668][ T72] [ 3661.580668][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3661.580668][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.580668][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.580668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.580668][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3661.580668][ T72] ipv6_add_addr+0x411/0x2000 [ 3661.580668][ T72] inet6_addr_add+0x30e/0xa40 [ 3661.580668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.580668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.580668][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.580668][ T72] netlink_unicast+0x449/0x710 [ 3661.580668][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.580668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.580668][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.580668][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.580668][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.580668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.580668][ T72] [ 3661.582668][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3661.582668][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.582668][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.582668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.582668][ T72] ip6_route_add+0x1c/0x140 [ 3661.582668][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3661.582668][ T72] addrconf_add_dev+0xe2/0x170 [ 3661.582668][ T72] inet6_addr_add+0x12f/0xa40 [ 3661.582668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.582668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.582668][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.582668][ T72] netlink_unicast+0x449/0x710 [ 3661.582668][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.582668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.582668][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.582668][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.582668][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.582668][ T72] [ 3661.584629][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3661.584629][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3661.584629][ T72] ipv6_find_idev+0x102/0x170 [ 3661.584629][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.584629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.584629][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.584629][ T72] netlink_unicast+0x449/0x710 [ 3661.584629][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.584629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.584629][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.584629][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.584629][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.584629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.584629][ T72] [ 3661.586189][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3661.586189][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3661.586189][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3661.586189][ T72] ipv6_find_idev+0x102/0x170 [ 3661.586189][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.586189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.586189][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.586189][ T72] netlink_unicast+0x449/0x710 [ 3661.586189][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.586189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.586189][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.586189][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.586189][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.586189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.586189][ T72] [ 3661.587993][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3661.588260][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3661.588260][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3661.588260][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3661.588260][ T72] fib6_nh_init+0xa22/0x1580 [ 3661.588260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.588260][ T72] ip6_route_add+0x1c/0x140 [ 3661.588260][ T72] inet6_rtm_newroute+0x104/0x110 [ 3661.588260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.588260][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.588260][ T72] netlink_unicast+0x449/0x710 [ 3661.588260][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.588260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.588260][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.588260][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.588260][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.588260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.588260][ T72] [ 3661.590450][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3661.590450][ T72] dst_init+0x84/0x4a0 [ 3661.590450][ T72] dst_alloc+0x97/0x150 [ 3661.590450][ T72] ip6_dst_alloc+0x23/0x90 [ 3661.590450][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3661.590450][ T72] ip6_pol_route+0x56f/0x840 [ 3661.590450][ T72] fib6_rule_lookup+0x456/0x630 [ 3661.590450][ T72] ip6_route_input+0x59c/0xa50 [ 3661.590450][ T72] ipv6_rcv+0x397/0x810 [ 3661.590450][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3661.590450][ T72] process_backlog+0x101/0x620 [ 3661.590450][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3661.590450][ T72] net_rx_action+0x495/0xbe0 [ 3661.590450][ T72] __do_softirq+0x1b5/0x7f6 [ 3661.590450][ T72] [ 3661.592274][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3661.592274][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.592274][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.592274][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.592274][ T72] ip6_route_add+0x1c/0x140 [ 3661.592274][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3661.592274][ T72] inet6_addr_add+0x4f8/0xa40 [ 3661.592274][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.592274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.592274][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.592274][ T72] netlink_unicast+0x449/0x710 [ 3661.592274][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.592274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.592274][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.592274][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.592274][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.592274][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.592274][ T72] [ 3661.594905][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3661.594905][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.594905][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.594905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.594905][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3661.594905][ T72] ipv6_add_addr+0x411/0x2000 [ 3661.594905][ T72] inet6_addr_add+0x30e/0xa40 [ 3661.594905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.594905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.594905][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.594905][ T72] netlink_unicast+0x449/0x710 [ 3661.594905][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.594905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.594905][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.594905][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.594905][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.594905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.594905][ T72] [ 3661.597079][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3661.597079][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.597079][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.597079][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.597079][ T72] ip6_route_add+0x1c/0x140 [ 3661.597079][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3661.597079][ T72] addrconf_add_dev+0xe2/0x170 [ 3661.597079][ T72] inet6_addr_add+0x12f/0xa40 [ 3661.597079][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.597079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.597079][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.597079][ T72] netlink_unicast+0x449/0x710 [ 3661.597079][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.597079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.597079][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.597079][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.597079][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.597079][ T72] [ 3661.599351][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3661.599351][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3661.599351][ T72] ipv6_find_idev+0x102/0x170 [ 3661.599351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.599351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.599351][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.599351][ T72] netlink_unicast+0x449/0x710 [ 3661.599351][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.599351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.599351][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.599351][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.599351][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.599351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.599351][ T72] [ 3661.601079][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3661.601079][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3661.601079][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3661.601079][ T72] ipv6_find_idev+0x102/0x170 [ 3661.601079][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.601079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.601079][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.601079][ T72] netlink_unicast+0x449/0x710 [ 3661.601079][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.601079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.601079][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.601079][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.601079][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.601079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.601079][ T72] [ 3661.602951][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3661.603300][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3661.603300][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.603300][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.603300][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.603300][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3661.603300][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3661.603300][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3661.603300][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3661.603300][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3661.603300][ T72] addrconf_dad_begin+0x310/0x670 [ 3661.603300][ T72] addrconf_dad_work+0x10b/0xab0 [ 3661.603300][ T72] process_one_work+0x84d/0x18a0 [ 3661.603300][ T72] worker_thread+0x587/0xd30 [ 3661.603300][ T72] kthread+0x28a/0x350 [ 3661.603300][ T72] ret_from_fork+0x31/0x70 [ 3661.603300][ T72] ret_from_fork_asm+0x1a/0x30 [ 3661.603300][ T72] [ 3661.605332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3661.605332][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.605332][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.605332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.605332][ T72] ip6_route_add+0x1c/0x140 [ 3661.605332][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3661.605332][ T72] inet6_addr_add+0x4f8/0xa40 [ 3661.605332][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.605332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.605332][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.605332][ T72] netlink_unicast+0x449/0x710 [ 3661.605332][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.605332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.605332][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.605332][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.605332][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.605332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.605332][ T72] [ 3661.607572][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3661.607572][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.607572][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.607572][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.607572][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3661.607572][ T72] ipv6_add_addr+0x411/0x2000 [ 3661.607572][ T72] inet6_addr_add+0x30e/0xa40 [ 3661.607572][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.607572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.607572][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.607572][ T72] netlink_unicast+0x449/0x710 [ 3661.607572][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.607572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.607572][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.607572][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.607572][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.607572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.607572][ T72] [ 3661.610225][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3661.610225][ T72] netdev_get_by_index+0x5e/0x80 [ 3661.610225][ T72] fib6_nh_init+0x3d8/0x1580 [ 3661.610225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3661.610225][ T72] ip6_route_add+0x1c/0x140 [ 3661.610225][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3661.610225][ T72] addrconf_add_dev+0xe2/0x170 [ 3661.610225][ T72] inet6_addr_add+0x12f/0xa40 [ 3661.610225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.610225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.610225][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.610225][ T72] netlink_unicast+0x449/0x710 [ 3661.610225][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.610225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.610225][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.610225][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.610225][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.610225][ T72] [ 3661.612443][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3661.612443][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3661.612443][ T72] ipv6_find_idev+0x102/0x170 [ 3661.612443][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.612443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.612443][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.612443][ T72] netlink_unicast+0x449/0x710 [ 3661.612443][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.612443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.612443][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.612443][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.612443][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.612443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.612443][ T72] [ 3661.614167][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3661.614167][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3661.614167][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3661.614167][ T72] ipv6_find_idev+0x102/0x170 [ 3661.614167][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.614167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.614167][ T72] netlink_rcv_skb+0x130/0x360 [ 3661.614167][ T72] netlink_unicast+0x449/0x710 [ 3661.614167][ T72] netlink_sendmsg+0x723/0xbe0 [ 3661.614167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3661.614167][ T72] ___sys_sendmsg+0xee/0x170 [ 3661.614167][ T72] __sys_sendmsg+0xcd/0x170 [ 3661.614167][ T72] do_syscall_64+0xc6/0x1e0 [ 3661.614167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.614167][ T72] [ 3671.856970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3671.857786][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3671.857786][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3671.857786][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3671.857786][ T72] fib6_nh_init+0xa22/0x1580 [ 3671.857786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.857786][ T72] ip6_route_add+0x1c/0x140 [ 3671.857786][ T72] inet6_rtm_newroute+0x104/0x110 [ 3671.857786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.857786][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.857786][ T72] netlink_unicast+0x449/0x710 [ 3671.857786][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.857786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.857786][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.857786][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.857786][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.857786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.857786][ T72] [ 3671.859617][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3671.859617][ T72] dst_init+0x84/0x4a0 [ 3671.859617][ T72] dst_alloc+0x97/0x150 [ 3671.859617][ T72] ip6_dst_alloc+0x23/0x90 [ 3671.859617][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3671.859617][ T72] ip6_pol_route+0x56f/0x840 [ 3671.859617][ T72] fib6_rule_lookup+0x456/0x630 [ 3671.859617][ T72] ip6_route_input+0x59c/0xa50 [ 3671.859617][ T72] ipv6_rcv+0x397/0x810 [ 3671.859617][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3671.859617][ T72] process_backlog+0x101/0x620 [ 3671.859617][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3671.859617][ T72] net_rx_action+0x495/0xbe0 [ 3671.859617][ T72] __do_softirq+0x1b5/0x7f6 [ 3671.859617][ T72] [ 3671.861245][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3671.861245][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.861245][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.861245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.861245][ T72] ip6_route_add+0x1c/0x140 [ 3671.861245][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3671.861245][ T72] inet6_addr_add+0x4f8/0xa40 [ 3671.861245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.861245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.861245][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.861245][ T72] netlink_unicast+0x449/0x710 [ 3671.861245][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.861245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.861245][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.861245][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.861245][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.861245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.861245][ T72] [ 3671.863225][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3671.863225][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.863225][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.863225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.863225][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3671.863225][ T72] ipv6_add_addr+0x411/0x2000 [ 3671.863225][ T72] inet6_addr_add+0x30e/0xa40 [ 3671.863225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.863225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.863225][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.863225][ T72] netlink_unicast+0x449/0x710 [ 3671.863225][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.863225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.863225][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.863225][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.863225][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.863225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.863225][ T72] [ 3671.865216][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3671.865216][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.865216][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.865216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.865216][ T72] ip6_route_add+0x1c/0x140 [ 3671.865216][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3671.865216][ T72] addrconf_add_dev+0xe2/0x170 [ 3671.865216][ T72] inet6_addr_add+0x12f/0xa40 [ 3671.865216][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.865216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.865216][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.865216][ T72] netlink_unicast+0x449/0x710 [ 3671.865216][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.865216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.865216][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.865216][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.865216][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.865216][ T72] [ 3671.867140][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3671.867140][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3671.867140][ T72] ipv6_find_idev+0x102/0x170 [ 3671.867140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.867140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.867140][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.867140][ T72] netlink_unicast+0x449/0x710 [ 3671.867140][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.867140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.867140][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.867140][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.867140][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.867140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.867140][ T72] [ 3671.868679][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3671.868679][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3671.868679][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3671.868679][ T72] ipv6_find_idev+0x102/0x170 [ 3671.868679][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.868679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.868679][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.868679][ T72] netlink_unicast+0x449/0x710 [ 3671.868679][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.868679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.868679][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.868679][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.868679][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.868679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.868679][ T72] [ 3671.870346][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3671.870637][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3671.870637][ T72] dst_init+0x84/0x4a0 [ 3671.870637][ T72] dst_alloc+0x97/0x150 [ 3671.870637][ T72] ip6_dst_alloc+0x23/0x90 [ 3671.870637][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3671.870637][ T72] ip6_pol_route+0x56f/0x840 [ 3671.870637][ T72] fib6_rule_lookup+0x456/0x630 [ 3671.870637][ T72] ip6_route_input+0x59c/0xa50 [ 3671.870637][ T72] ipv6_rcv+0x397/0x810 [ 3671.870637][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3671.870637][ T72] process_backlog+0x101/0x620 [ 3671.870637][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3671.870637][ T72] net_rx_action+0x495/0xbe0 [ 3671.870637][ T72] __do_softirq+0x1b5/0x7f6 [ 3671.870637][ T72] [ 3671.872396][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3671.872396][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.872396][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.872396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.872396][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3671.872396][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3671.872396][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3671.872396][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3671.872396][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3671.872396][ T72] addrconf_dad_begin+0x310/0x670 [ 3671.872396][ T72] addrconf_dad_work+0x10b/0xab0 [ 3671.872396][ T72] process_one_work+0x84d/0x18a0 [ 3671.872396][ T72] worker_thread+0x587/0xd30 [ 3671.872396][ T72] kthread+0x28a/0x350 [ 3671.872396][ T72] ret_from_fork+0x31/0x70 [ 3671.872396][ T72] ret_from_fork_asm+0x1a/0x30 [ 3671.872396][ T72] [ 3671.874338][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3671.874338][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.874338][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.874338][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.874338][ T72] ip6_route_add+0x1c/0x140 [ 3671.874338][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3671.874338][ T72] inet6_addr_add+0x4f8/0xa40 [ 3671.874338][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.874338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.874338][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.874338][ T72] netlink_unicast+0x449/0x710 [ 3671.874338][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.874338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.874338][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.874338][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.874338][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.874338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.874338][ T72] [ 3671.876325][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3671.876325][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.876325][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.876325][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.876325][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3671.876325][ T72] ipv6_add_addr+0x411/0x2000 [ 3671.876325][ T72] inet6_addr_add+0x30e/0xa40 [ 3671.876325][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.876325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.876325][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.876325][ T72] netlink_unicast+0x449/0x710 [ 3671.876325][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.876325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.876325][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.876325][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.876325][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.876325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.876325][ T72] [ 3671.878305][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3671.878305][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.878305][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.878305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.878305][ T72] ip6_route_add+0x1c/0x140 [ 3671.878305][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3671.878305][ T72] addrconf_add_dev+0xe2/0x170 [ 3671.878305][ T72] inet6_addr_add+0x12f/0xa40 [ 3671.878305][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.878305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.878305][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.878305][ T72] netlink_unicast+0x449/0x710 [ 3671.878305][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.878305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.878305][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.878305][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.878305][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.878305][ T72] [ 3671.880248][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3671.880248][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3671.880248][ T72] ipv6_find_idev+0x102/0x170 [ 3671.880248][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.880248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.880248][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.880248][ T72] netlink_unicast+0x449/0x710 [ 3671.880248][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.880248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.880248][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.880248][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.880248][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.880248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.880248][ T72] [ 3671.881776][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3671.881776][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3671.881776][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3671.881776][ T72] ipv6_find_idev+0x102/0x170 [ 3671.881776][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.881776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.881776][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.881776][ T72] netlink_unicast+0x449/0x710 [ 3671.881776][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.881776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.881776][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.881776][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.881776][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.881776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.881776][ T72] [ 3671.883514][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3671.883863][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3671.883863][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3671.883863][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3671.883863][ T72] fib6_nh_init+0xa22/0x1580 [ 3671.883863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.883863][ T72] ip6_route_add+0x1c/0x140 [ 3671.883863][ T72] inet6_rtm_newroute+0x104/0x110 [ 3671.883863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.883863][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.883863][ T72] netlink_unicast+0x449/0x710 [ 3671.883863][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.883863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.883863][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.883863][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.883863][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.883863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.883863][ T72] [ 3671.885966][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3671.885966][ T72] dst_init+0x84/0x4a0 [ 3671.885966][ T72] dst_alloc+0x97/0x150 [ 3671.885966][ T72] ip6_dst_alloc+0x23/0x90 [ 3671.885966][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3671.885966][ T72] ip6_pol_route+0x56f/0x840 [ 3671.885966][ T72] fib6_rule_lookup+0x456/0x630 [ 3671.885966][ T72] ip6_route_input+0x59c/0xa50 [ 3671.885966][ T72] ipv6_rcv+0x397/0x810 [ 3671.885966][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3671.885966][ T72] process_backlog+0x101/0x620 [ 3671.885966][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3671.885966][ T72] net_rx_action+0x495/0xbe0 [ 3671.885966][ T72] __do_softirq+0x1b5/0x7f6 [ 3671.885966][ T72] [ 3671.887767][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3671.887767][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.887767][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.887767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.887767][ T72] ip6_route_add+0x1c/0x140 [ 3671.887767][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3671.887767][ T72] inet6_addr_add+0x4f8/0xa40 [ 3671.887767][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.887767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.887767][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.887767][ T72] netlink_unicast+0x449/0x710 [ 3671.887767][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.887767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.887767][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.887767][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.887767][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.887767][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.887767][ T72] [ 3671.889996][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3671.889996][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.889996][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.889996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.889996][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3671.889996][ T72] ipv6_add_addr+0x411/0x2000 [ 3671.889996][ T72] inet6_addr_add+0x30e/0xa40 [ 3671.889996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.889996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.889996][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.889996][ T72] netlink_unicast+0x449/0x710 [ 3671.889996][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.889996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.889996][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.889996][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.889996][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.889996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.889996][ T72] [ 3671.892220][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3671.892220][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.892220][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.892220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.892220][ T72] ip6_route_add+0x1c/0x140 [ 3671.892220][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3671.892220][ T72] addrconf_add_dev+0xe2/0x170 [ 3671.892220][ T72] inet6_addr_add+0x12f/0xa40 [ 3671.892220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.892220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.892220][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.892220][ T72] netlink_unicast+0x449/0x710 [ 3671.892220][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.892220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.892220][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.892220][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.892220][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.892220][ T72] [ 3671.894463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3671.894463][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3671.894463][ T72] ipv6_find_idev+0x102/0x170 [ 3671.894463][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.894463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.894463][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.894463][ T72] netlink_unicast+0x449/0x710 [ 3671.894463][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.894463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.894463][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.894463][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.894463][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.894463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.894463][ T72] [ 3671.896165][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3671.896165][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3671.896165][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3671.896165][ T72] ipv6_find_idev+0x102/0x170 [ 3671.896165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.896165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.896165][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.896165][ T72] netlink_unicast+0x449/0x710 [ 3671.896165][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.896165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.896165][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.896165][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.896165][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.896165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.896165][ T72] [ 3671.898006][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3671.898333][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3671.898333][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.898333][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.898333][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.898333][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3671.898333][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3671.898333][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3671.898333][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3671.898333][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3671.898333][ T72] addrconf_dad_begin+0x310/0x670 [ 3671.898333][ T72] addrconf_dad_work+0x10b/0xab0 [ 3671.898333][ T72] process_one_work+0x84d/0x18a0 [ 3671.898333][ T72] worker_thread+0x587/0xd30 [ 3671.898333][ T72] kthread+0x28a/0x350 [ 3671.898333][ T72] ret_from_fork+0x31/0x70 [ 3671.898333][ T72] ret_from_fork_asm+0x1a/0x30 [ 3671.898333][ T72] [ 3671.900396][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3671.900396][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.900396][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.900396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.900396][ T72] ip6_route_add+0x1c/0x140 [ 3671.900396][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3671.900396][ T72] inet6_addr_add+0x4f8/0xa40 [ 3671.900396][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.900396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.900396][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.900396][ T72] netlink_unicast+0x449/0x710 [ 3671.900396][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.900396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.900396][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.900396][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.900396][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.900396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.900396][ T72] [ 3671.902618][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3671.902618][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.902618][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.902618][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.902618][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3671.902618][ T72] ipv6_add_addr+0x411/0x2000 [ 3671.902618][ T72] inet6_addr_add+0x30e/0xa40 [ 3671.902618][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.902618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.902618][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.902618][ T72] netlink_unicast+0x449/0x710 [ 3671.902618][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.902618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.902618][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.902618][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.902618][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.902618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.902618][ T72] [ 3671.904886][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3671.904886][ T72] netdev_get_by_index+0x5e/0x80 [ 3671.904886][ T72] fib6_nh_init+0x3d8/0x1580 [ 3671.904886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3671.904886][ T72] ip6_route_add+0x1c/0x140 [ 3671.904886][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3671.904886][ T72] addrconf_add_dev+0xe2/0x170 [ 3671.904886][ T72] inet6_addr_add+0x12f/0xa40 [ 3671.904886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.904886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.904886][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.904886][ T72] netlink_unicast+0x449/0x710 [ 3671.904886][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.904886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.904886][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.904886][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.904886][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.904886][ T72] [ 3671.907076][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3671.907076][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3671.907076][ T72] ipv6_find_idev+0x102/0x170 [ 3671.907076][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.907076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.907076][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.907076][ T72] netlink_unicast+0x449/0x710 [ 3671.907076][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.907076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.907076][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.907076][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.907076][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.907076][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.907076][ T72] [ 3671.908778][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3671.908778][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3671.908778][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3671.908778][ T72] ipv6_find_idev+0x102/0x170 [ 3671.908778][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.908778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.908778][ T72] netlink_rcv_skb+0x130/0x360 [ 3671.908778][ T72] netlink_unicast+0x449/0x710 [ 3671.908778][ T72] netlink_sendmsg+0x723/0xbe0 [ 3671.908778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3671.908778][ T72] ___sys_sendmsg+0xee/0x170 [ 3671.908778][ T72] __sys_sendmsg+0xcd/0x170 [ 3671.908778][ T72] do_syscall_64+0xc6/0x1e0 [ 3671.908778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.908778][ T72] [ 3681.953058][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3681.953848][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3681.953848][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3681.953848][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3681.953848][ T72] fib6_nh_init+0xa22/0x1580 [ 3681.953848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.953848][ T72] ip6_route_add+0x1c/0x140 [ 3681.953848][ T72] inet6_rtm_newroute+0x104/0x110 [ 3681.953848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.953848][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.953848][ T72] netlink_unicast+0x449/0x710 [ 3681.953848][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.953848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.953848][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.953848][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.953848][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.953848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.953848][ T72] [ 3681.955752][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3681.955752][ T72] dst_init+0x84/0x4a0 [ 3681.955752][ T72] dst_alloc+0x97/0x150 [ 3681.955752][ T72] ip6_dst_alloc+0x23/0x90 [ 3681.955752][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3681.955752][ T72] ip6_pol_route+0x56f/0x840 [ 3681.955752][ T72] fib6_rule_lookup+0x456/0x630 [ 3681.955752][ T72] ip6_route_input+0x59c/0xa50 [ 3681.955752][ T72] ipv6_rcv+0x397/0x810 [ 3681.955752][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3681.955752][ T72] process_backlog+0x101/0x620 [ 3681.955752][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3681.955752][ T72] net_rx_action+0x495/0xbe0 [ 3681.955752][ T72] __do_softirq+0x1b5/0x7f6 [ 3681.955752][ T72] [ 3681.957413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3681.957413][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.957413][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.957413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.957413][ T72] ip6_route_add+0x1c/0x140 [ 3681.957413][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3681.957413][ T72] inet6_addr_add+0x4f8/0xa40 [ 3681.957413][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.957413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.957413][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.957413][ T72] netlink_unicast+0x449/0x710 [ 3681.957413][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.957413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.957413][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.957413][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.957413][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.957413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.957413][ T72] [ 3681.959392][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3681.959392][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.959392][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.959392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.959392][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3681.959392][ T72] ipv6_add_addr+0x411/0x2000 [ 3681.959392][ T72] inet6_addr_add+0x30e/0xa40 [ 3681.959392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.959392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.959392][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.959392][ T72] netlink_unicast+0x449/0x710 [ 3681.959392][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.959392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.959392][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.959392][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.959392][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.959392][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.959392][ T72] [ 3681.961390][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3681.961390][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.961390][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.961390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.961390][ T72] ip6_route_add+0x1c/0x140 [ 3681.961390][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3681.961390][ T72] addrconf_add_dev+0xe2/0x170 [ 3681.961390][ T72] inet6_addr_add+0x12f/0xa40 [ 3681.961390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.961390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.961390][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.961390][ T72] netlink_unicast+0x449/0x710 [ 3681.961390][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.961390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.961390][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.961390][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.961390][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.961390][ T72] [ 3681.963343][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3681.963343][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3681.963343][ T72] ipv6_find_idev+0x102/0x170 [ 3681.963343][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.963343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.963343][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.963343][ T72] netlink_unicast+0x449/0x710 [ 3681.963343][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.963343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.963343][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.963343][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.963343][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.963343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.963343][ T72] [ 3681.964868][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3681.964868][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3681.964868][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3681.964868][ T72] ipv6_find_idev+0x102/0x170 [ 3681.964868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.964868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.964868][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.964868][ T72] netlink_unicast+0x449/0x710 [ 3681.964868][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.964868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.964868][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.964868][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.964868][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.964868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.964868][ T72] [ 3681.966568][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3681.966848][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3681.966848][ T72] dst_init+0x84/0x4a0 [ 3681.966848][ T72] dst_alloc+0x97/0x150 [ 3681.966848][ T72] ip6_dst_alloc+0x23/0x90 [ 3681.966848][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3681.966848][ T72] ip6_pol_route+0x56f/0x840 [ 3681.966848][ T72] fib6_rule_lookup+0x456/0x630 [ 3681.966848][ T72] ip6_route_input+0x59c/0xa50 [ 3681.966848][ T72] ipv6_rcv+0x397/0x810 [ 3681.966848][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3681.966848][ T72] process_backlog+0x101/0x620 [ 3681.966848][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3681.966848][ T72] net_rx_action+0x495/0xbe0 [ 3681.966848][ T72] __do_softirq+0x1b5/0x7f6 [ 3681.966848][ T72] [ 3681.968496][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3681.968496][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.968496][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.968496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.968496][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3681.968496][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3681.968496][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3681.968496][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3681.968496][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3681.968496][ T72] addrconf_dad_begin+0x310/0x670 [ 3681.968496][ T72] addrconf_dad_work+0x10b/0xab0 [ 3681.968496][ T72] process_one_work+0x84d/0x18a0 [ 3681.968496][ T72] worker_thread+0x587/0xd30 [ 3681.968496][ T72] kthread+0x28a/0x350 [ 3681.968496][ T72] ret_from_fork+0x31/0x70 [ 3681.968496][ T72] ret_from_fork_asm+0x1a/0x30 [ 3681.968496][ T72] [ 3681.970426][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3681.970426][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.970426][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.970426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.970426][ T72] ip6_route_add+0x1c/0x140 [ 3681.970426][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3681.970426][ T72] inet6_addr_add+0x4f8/0xa40 [ 3681.970426][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.970426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.970426][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.970426][ T72] netlink_unicast+0x449/0x710 [ 3681.970426][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.970426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.970426][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.970426][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.970426][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.970426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.970426][ T72] [ 3681.972441][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3681.972441][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.972441][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.972441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.972441][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3681.972441][ T72] ipv6_add_addr+0x411/0x2000 [ 3681.972441][ T72] inet6_addr_add+0x30e/0xa40 [ 3681.972441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.972441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.972441][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.972441][ T72] netlink_unicast+0x449/0x710 [ 3681.972441][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.972441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.972441][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.972441][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.972441][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.972441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.972441][ T72] [ 3681.974345][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3681.974345][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.974345][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.974345][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.974345][ T72] ip6_route_add+0x1c/0x140 [ 3681.974345][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3681.974345][ T72] addrconf_add_dev+0xe2/0x170 [ 3681.974345][ T72] inet6_addr_add+0x12f/0xa40 [ 3681.974345][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.974345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.974345][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.974345][ T72] netlink_unicast+0x449/0x710 [ 3681.974345][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.974345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.974345][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.974345][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.974345][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.974345][ T72] [ 3681.976197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3681.976197][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3681.976197][ T72] ipv6_find_idev+0x102/0x170 [ 3681.976197][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.976197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.976197][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.976197][ T72] netlink_unicast+0x449/0x710 [ 3681.976197][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.976197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.976197][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.976197][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.976197][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.976197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.976197][ T72] [ 3681.977760][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3681.977760][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3681.977760][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3681.977760][ T72] ipv6_find_idev+0x102/0x170 [ 3681.977760][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.977760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.977760][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.977760][ T72] netlink_unicast+0x449/0x710 [ 3681.977760][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.977760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.977760][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.977760][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.977760][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.977760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.977760][ T72] [ 3681.979587][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3681.979861][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3681.979861][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3681.979861][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3681.979861][ T72] fib6_nh_init+0xa22/0x1580 [ 3681.979861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.979861][ T72] ip6_route_add+0x1c/0x140 [ 3681.979861][ T72] inet6_rtm_newroute+0x104/0x110 [ 3681.979861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.979861][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.979861][ T72] netlink_unicast+0x449/0x710 [ 3681.979861][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.979861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.979861][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.979861][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.979861][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.979861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.979861][ T72] [ 3681.982066][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3681.982066][ T72] dst_init+0x84/0x4a0 [ 3681.982066][ T72] dst_alloc+0x97/0x150 [ 3681.982066][ T72] ip6_dst_alloc+0x23/0x90 [ 3681.982066][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3681.982066][ T72] ip6_pol_route+0x56f/0x840 [ 3681.982066][ T72] fib6_rule_lookup+0x456/0x630 [ 3681.982066][ T72] ip6_route_input+0x59c/0xa50 [ 3681.982066][ T72] ipv6_rcv+0x397/0x810 [ 3681.982066][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3681.982066][ T72] process_backlog+0x101/0x620 [ 3681.982066][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3681.982066][ T72] net_rx_action+0x495/0xbe0 [ 3681.982066][ T72] __do_softirq+0x1b5/0x7f6 [ 3681.982066][ T72] [ 3681.983907][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3681.983907][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.983907][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.983907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.983907][ T72] ip6_route_add+0x1c/0x140 [ 3681.983907][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3681.983907][ T72] inet6_addr_add+0x4f8/0xa40 [ 3681.983907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.983907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.983907][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.983907][ T72] netlink_unicast+0x449/0x710 [ 3681.983907][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.983907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.983907][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.983907][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.983907][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.983907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.983907][ T72] [ 3681.986168][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3681.986168][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.986168][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.986168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.986168][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3681.986168][ T72] ipv6_add_addr+0x411/0x2000 [ 3681.986168][ T72] inet6_addr_add+0x30e/0xa40 [ 3681.986168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.986168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.986168][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.986168][ T72] netlink_unicast+0x449/0x710 [ 3681.986168][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.986168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.986168][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.986168][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.986168][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.986168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.986168][ T72] [ 3681.988359][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3681.988359][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.988359][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.988359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.988359][ T72] ip6_route_add+0x1c/0x140 [ 3681.988359][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3681.988359][ T72] addrconf_add_dev+0xe2/0x170 [ 3681.988359][ T72] inet6_addr_add+0x12f/0xa40 [ 3681.988359][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.988359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.988359][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.988359][ T72] netlink_unicast+0x449/0x710 [ 3681.988359][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.988359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.988359][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.988359][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.988359][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.988359][ T72] [ 3681.990636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3681.990636][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3681.990636][ T72] ipv6_find_idev+0x102/0x170 [ 3681.990636][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.990636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.990636][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.990636][ T72] netlink_unicast+0x449/0x710 [ 3681.990636][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.990636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.990636][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.990636][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.990636][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.990636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.990636][ T72] [ 3681.992369][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3681.992369][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3681.992369][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3681.992369][ T72] ipv6_find_idev+0x102/0x170 [ 3681.992369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.992369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.992369][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.992369][ T72] netlink_unicast+0x449/0x710 [ 3681.992369][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.992369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.992369][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.992369][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.992369][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.992369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.992369][ T72] [ 3681.994246][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3681.994590][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3681.994590][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.994590][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.994590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.994590][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3681.994590][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3681.994590][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3681.994590][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3681.994590][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3681.994590][ T72] addrconf_dad_begin+0x310/0x670 [ 3681.994590][ T72] addrconf_dad_work+0x10b/0xab0 [ 3681.994590][ T72] process_one_work+0x84d/0x18a0 [ 3681.994590][ T72] worker_thread+0x587/0xd30 [ 3681.994590][ T72] kthread+0x28a/0x350 [ 3681.994590][ T72] ret_from_fork+0x31/0x70 [ 3681.994590][ T72] ret_from_fork_asm+0x1a/0x30 [ 3681.994590][ T72] [ 3681.996621][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3681.996621][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.996621][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.996621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.996621][ T72] ip6_route_add+0x1c/0x140 [ 3681.996621][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3681.996621][ T72] inet6_addr_add+0x4f8/0xa40 [ 3681.996621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.996621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.996621][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.996621][ T72] netlink_unicast+0x449/0x710 [ 3681.996621][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.996621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.996621][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.996621][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.996621][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.996621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.996621][ T72] [ 3681.998883][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3681.998883][ T72] netdev_get_by_index+0x5e/0x80 [ 3681.998883][ T72] fib6_nh_init+0x3d8/0x1580 [ 3681.998883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3681.998883][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3681.998883][ T72] ipv6_add_addr+0x411/0x2000 [ 3681.998883][ T72] inet6_addr_add+0x30e/0xa40 [ 3681.998883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.998883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.998883][ T72] netlink_rcv_skb+0x130/0x360 [ 3681.998883][ T72] netlink_unicast+0x449/0x710 [ 3681.998883][ T72] netlink_sendmsg+0x723/0xbe0 [ 3681.998883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3681.998883][ T72] ___sys_sendmsg+0xee/0x170 [ 3681.998883][ T72] __sys_sendmsg+0xcd/0x170 [ 3681.998883][ T72] do_syscall_64+0xc6/0x1e0 [ 3681.998883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.998883][ T72] [ 3682.001207][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3682.001207][ T72] netdev_get_by_index+0x5e/0x80 [ 3682.001207][ T72] fib6_nh_init+0x3d8/0x1580 [ 3682.001207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3682.001207][ T72] ip6_route_add+0x1c/0x140 [ 3682.001207][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3682.001207][ T72] addrconf_add_dev+0xe2/0x170 [ 3682.001207][ T72] inet6_addr_add+0x12f/0xa40 [ 3682.001207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3682.001207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.001207][ T72] netlink_rcv_skb+0x130/0x360 [ 3682.001207][ T72] netlink_unicast+0x449/0x710 [ 3682.001207][ T72] netlink_sendmsg+0x723/0xbe0 [ 3682.001207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3682.001207][ T72] ___sys_sendmsg+0xee/0x170 [ 3682.001207][ T72] __sys_sendmsg+0xcd/0x170 [ 3682.001207][ T72] do_syscall_64+0xc6/0x1e0 [ 3682.001207][ T72] [ 3682.003422][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3682.003422][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3682.003422][ T72] ipv6_find_idev+0x102/0x170 [ 3682.003422][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3682.003422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.003422][ T72] netlink_rcv_skb+0x130/0x360 [ 3682.003422][ T72] netlink_unicast+0x449/0x710 [ 3682.003422][ T72] netlink_sendmsg+0x723/0xbe0 [ 3682.003422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3682.003422][ T72] ___sys_sendmsg+0xee/0x170 [ 3682.003422][ T72] __sys_sendmsg+0xcd/0x170 [ 3682.003422][ T72] do_syscall_64+0xc6/0x1e0 [ 3682.003422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3682.003422][ T72] [ 3682.005153][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3682.005153][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3682.005153][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3682.005153][ T72] ipv6_find_idev+0x102/0x170 [ 3682.005153][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3682.005153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.005153][ T72] netlink_rcv_skb+0x130/0x360 [ 3682.005153][ T72] netlink_unicast+0x449/0x710 [ 3682.005153][ T72] netlink_sendmsg+0x723/0xbe0 [ 3682.005153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3682.005153][ T72] ___sys_sendmsg+0xee/0x170 [ 3682.005153][ T72] __sys_sendmsg+0xcd/0x170 [ 3682.005153][ T72] do_syscall_64+0xc6/0x1e0 [ 3682.005153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3682.005153][ T72] [ 3692.008912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3692.009429][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3692.009429][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3692.009429][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3692.009429][ T72] fib6_nh_init+0xa22/0x1580 [ 3692.009429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.009429][ T72] ip6_route_add+0x1c/0x140 [ 3692.009429][ T72] inet6_rtm_newroute+0x104/0x110 [ 3692.009429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.009429][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.009429][ T72] netlink_unicast+0x449/0x710 [ 3692.009429][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.009429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.009429][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.009429][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.009429][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.009429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.009429][ T72] [ 3692.011375][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3692.011375][ T72] dst_init+0x84/0x4a0 [ 3692.011375][ T72] dst_alloc+0x97/0x150 [ 3692.011375][ T72] ip6_dst_alloc+0x23/0x90 [ 3692.011375][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3692.011375][ T72] ip6_pol_route+0x56f/0x840 [ 3692.011375][ T72] fib6_rule_lookup+0x456/0x630 [ 3692.011375][ T72] ip6_route_input+0x59c/0xa50 [ 3692.011375][ T72] ipv6_rcv+0x397/0x810 [ 3692.011375][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3692.011375][ T72] process_backlog+0x101/0x620 [ 3692.011375][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3692.011375][ T72] net_rx_action+0x495/0xbe0 [ 3692.011375][ T72] __do_softirq+0x1b5/0x7f6 [ 3692.011375][ T72] [ 3692.013000][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3692.013000][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.013000][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.013000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.013000][ T72] ip6_route_add+0x1c/0x140 [ 3692.013000][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3692.013000][ T72] inet6_addr_add+0x4f8/0xa40 [ 3692.013000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.013000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.013000][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.013000][ T72] netlink_unicast+0x449/0x710 [ 3692.013000][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.013000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.013000][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.013000][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.013000][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.013000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.013000][ T72] [ 3692.014979][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3692.014979][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.014979][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.014979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.014979][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3692.014979][ T72] ipv6_add_addr+0x411/0x2000 [ 3692.014979][ T72] inet6_addr_add+0x30e/0xa40 [ 3692.014979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.014979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.014979][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.014979][ T72] netlink_unicast+0x449/0x710 [ 3692.014979][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.014979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.014979][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.014979][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.014979][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.014979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.014979][ T72] [ 3692.016964][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3692.016964][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.016964][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.016964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.016964][ T72] ip6_route_add+0x1c/0x140 [ 3692.016964][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3692.016964][ T72] addrconf_add_dev+0xe2/0x170 [ 3692.016964][ T72] inet6_addr_add+0x12f/0xa40 [ 3692.016964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.016964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.016964][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.016964][ T72] netlink_unicast+0x449/0x710 [ 3692.016964][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.016964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.016964][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.016964][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.016964][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.016964][ T72] [ 3692.018883][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3692.018883][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3692.018883][ T72] ipv6_find_idev+0x102/0x170 [ 3692.018883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.018883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.018883][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.018883][ T72] netlink_unicast+0x449/0x710 [ 3692.018883][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.018883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.018883][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.018883][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.018883][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.018883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.018883][ T72] [ 3692.020445][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3692.020445][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3692.020445][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3692.020445][ T72] ipv6_find_idev+0x102/0x170 [ 3692.020445][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.020445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.020445][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.020445][ T72] netlink_unicast+0x449/0x710 [ 3692.020445][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.020445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.020445][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.020445][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.020445][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.020445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.020445][ T72] [ 3692.022176][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3692.022487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3692.022487][ T72] dst_init+0x84/0x4a0 [ 3692.022487][ T72] dst_alloc+0x97/0x150 [ 3692.022487][ T72] ip6_dst_alloc+0x23/0x90 [ 3692.022487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3692.022487][ T72] ip6_pol_route+0x56f/0x840 [ 3692.022487][ T72] fib6_rule_lookup+0x456/0x630 [ 3692.022487][ T72] ip6_route_input+0x59c/0xa50 [ 3692.022487][ T72] ipv6_rcv+0x397/0x810 [ 3692.022487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3692.022487][ T72] process_backlog+0x101/0x620 [ 3692.022487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3692.022487][ T72] net_rx_action+0x495/0xbe0 [ 3692.022487][ T72] __do_softirq+0x1b5/0x7f6 [ 3692.022487][ T72] [ 3692.024139][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3692.024139][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.024139][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.024139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.024139][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3692.024139][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3692.024139][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3692.024139][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3692.024139][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3692.024139][ T72] addrconf_dad_begin+0x310/0x670 [ 3692.024139][ T72] addrconf_dad_work+0x10b/0xab0 [ 3692.024139][ T72] process_one_work+0x84d/0x18a0 [ 3692.024139][ T72] worker_thread+0x587/0xd30 [ 3692.024139][ T72] kthread+0x28a/0x350 [ 3692.024139][ T72] ret_from_fork+0x31/0x70 [ 3692.024139][ T72] ret_from_fork_asm+0x1a/0x30 [ 3692.024139][ T72] [ 3692.026057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3692.026057][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.026057][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.026057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.026057][ T72] ip6_route_add+0x1c/0x140 [ 3692.026057][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3692.026057][ T72] inet6_addr_add+0x4f8/0xa40 [ 3692.026057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.026057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.026057][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.026057][ T72] netlink_unicast+0x449/0x710 [ 3692.026057][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.026057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.026057][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.026057][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.026057][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.026057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.026057][ T72] [ 3692.028067][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3692.028067][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.028067][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.028067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.028067][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3692.028067][ T72] ipv6_add_addr+0x411/0x2000 [ 3692.028067][ T72] inet6_addr_add+0x30e/0xa40 [ 3692.028067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.028067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.028067][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.028067][ T72] netlink_unicast+0x449/0x710 [ 3692.028067][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.028067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.028067][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.028067][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.028067][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.028067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.028067][ T72] [ 3692.030067][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3692.030067][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.030067][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.030067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.030067][ T72] ip6_route_add+0x1c/0x140 [ 3692.030067][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3692.030067][ T72] addrconf_add_dev+0xe2/0x170 [ 3692.030067][ T72] inet6_addr_add+0x12f/0xa40 [ 3692.030067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.030067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.030067][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.030067][ T72] netlink_unicast+0x449/0x710 [ 3692.030067][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.030067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.030067][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.030067][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.030067][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.030067][ T72] [ 3692.032041][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3692.032041][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3692.032041][ T72] ipv6_find_idev+0x102/0x170 [ 3692.032041][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.032041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.032041][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.032041][ T72] netlink_unicast+0x449/0x710 [ 3692.032041][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.032041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.032041][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.032041][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.032041][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.032041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.032041][ T72] [ 3692.033579][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3692.033579][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3692.033579][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3692.033579][ T72] ipv6_find_idev+0x102/0x170 [ 3692.033579][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.033579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.033579][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.033579][ T72] netlink_unicast+0x449/0x710 [ 3692.033579][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.033579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.033579][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.033579][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.033579][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.033579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.033579][ T72] [ 3692.035397][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3692.035676][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3692.035676][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3692.035676][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3692.035676][ T72] fib6_nh_init+0xa22/0x1580 [ 3692.035676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.035676][ T72] ip6_route_add+0x1c/0x140 [ 3692.035676][ T72] inet6_rtm_newroute+0x104/0x110 [ 3692.035676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.035676][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.035676][ T72] netlink_unicast+0x449/0x710 [ 3692.035676][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.035676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.035676][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.035676][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.035676][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.035676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.035676][ T72] [ 3692.037869][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3692.037869][ T72] dst_init+0x84/0x4a0 [ 3692.037869][ T72] dst_alloc+0x97/0x150 [ 3692.037869][ T72] ip6_dst_alloc+0x23/0x90 [ 3692.037869][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3692.037869][ T72] ip6_pol_route+0x56f/0x840 [ 3692.037869][ T72] fib6_rule_lookup+0x456/0x630 [ 3692.037869][ T72] ip6_route_input+0x59c/0xa50 [ 3692.037869][ T72] ipv6_rcv+0x397/0x810 [ 3692.037869][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3692.037869][ T72] process_backlog+0x101/0x620 [ 3692.037869][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3692.037869][ T72] net_rx_action+0x495/0xbe0 [ 3692.037869][ T72] __do_softirq+0x1b5/0x7f6 [ 3692.037869][ T72] [ 3692.039686][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3692.039686][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.039686][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.039686][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.039686][ T72] ip6_route_add+0x1c/0x140 [ 3692.039686][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3692.039686][ T72] inet6_addr_add+0x4f8/0xa40 [ 3692.039686][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.039686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.039686][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.039686][ T72] netlink_unicast+0x449/0x710 [ 3692.039686][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.039686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.039686][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.039686][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.039686][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.039686][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.039686][ T72] [ 3692.041936][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3692.041936][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.041936][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.041936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.041936][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3692.041936][ T72] ipv6_add_addr+0x411/0x2000 [ 3692.041936][ T72] inet6_addr_add+0x30e/0xa40 [ 3692.041936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.041936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.041936][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.041936][ T72] netlink_unicast+0x449/0x710 [ 3692.041936][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.041936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.041936][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.041936][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.041936][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.041936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.041936][ T72] [ 3692.044115][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3692.044115][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.044115][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.044115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.044115][ T72] ip6_route_add+0x1c/0x140 [ 3692.044115][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3692.044115][ T72] addrconf_add_dev+0xe2/0x170 [ 3692.044115][ T72] inet6_addr_add+0x12f/0xa40 [ 3692.044115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.044115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.044115][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.044115][ T72] netlink_unicast+0x449/0x710 [ 3692.044115][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.044115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.044115][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.044115][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.044115][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.044115][ T72] [ 3692.046388][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3692.046388][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3692.046388][ T72] ipv6_find_idev+0x102/0x170 [ 3692.046388][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.046388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.046388][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.046388][ T72] netlink_unicast+0x449/0x710 [ 3692.046388][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.046388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.046388][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.046388][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.046388][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.046388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.046388][ T72] [ 3692.048109][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3692.048109][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3692.048109][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3692.048109][ T72] ipv6_find_idev+0x102/0x170 [ 3692.048109][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.048109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.048109][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.048109][ T72] netlink_unicast+0x449/0x710 [ 3692.048109][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.048109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.048109][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.048109][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.048109][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.048109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.048109][ T72] [ 3692.049977][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3692.050317][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3692.050317][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.050317][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.050317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.050317][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3692.050317][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3692.050317][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3692.050317][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3692.050317][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3692.050317][ T72] addrconf_dad_begin+0x310/0x670 [ 3692.050317][ T72] addrconf_dad_work+0x10b/0xab0 [ 3692.050317][ T72] process_one_work+0x84d/0x18a0 [ 3692.050317][ T72] worker_thread+0x587/0xd30 [ 3692.050317][ T72] kthread+0x28a/0x350 [ 3692.050317][ T72] ret_from_fork+0x31/0x70 [ 3692.050317][ T72] ret_from_fork_asm+0x1a/0x30 [ 3692.050317][ T72] [ 3692.052356][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3692.052356][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.052356][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.052356][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.052356][ T72] ip6_route_add+0x1c/0x140 [ 3692.052356][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3692.052356][ T72] inet6_addr_add+0x4f8/0xa40 [ 3692.052356][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.052356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.052356][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.052356][ T72] netlink_unicast+0x449/0x710 [ 3692.052356][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.052356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.052356][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.052356][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.052356][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.052356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.052356][ T72] [ 3692.054597][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3692.054597][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.054597][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.054597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.054597][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3692.054597][ T72] ipv6_add_addr+0x411/0x2000 [ 3692.054597][ T72] inet6_addr_add+0x30e/0xa40 [ 3692.054597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.054597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.054597][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.054597][ T72] netlink_unicast+0x449/0x710 [ 3692.054597][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.054597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.054597][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.054597][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.054597][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.054597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.054597][ T72] [ 3692.056904][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3692.056904][ T72] netdev_get_by_index+0x5e/0x80 [ 3692.056904][ T72] fib6_nh_init+0x3d8/0x1580 [ 3692.056904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3692.056904][ T72] ip6_route_add+0x1c/0x140 [ 3692.056904][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3692.056904][ T72] addrconf_add_dev+0xe2/0x170 [ 3692.056904][ T72] inet6_addr_add+0x12f/0xa40 [ 3692.056904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.056904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.056904][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.056904][ T72] netlink_unicast+0x449/0x710 [ 3692.056904][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.056904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.056904][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.056904][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.056904][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.056904][ T72] [ 3692.059113][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3692.059113][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3692.059113][ T72] ipv6_find_idev+0x102/0x170 [ 3692.059113][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.059113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.059113][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.059113][ T72] netlink_unicast+0x449/0x710 [ 3692.059113][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.059113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.059113][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.059113][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.059113][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.059113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.059113][ T72] [ 3692.060844][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3692.060844][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3692.060844][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3692.060844][ T72] ipv6_find_idev+0x102/0x170 [ 3692.060844][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.060844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.060844][ T72] netlink_rcv_skb+0x130/0x360 [ 3692.060844][ T72] netlink_unicast+0x449/0x710 [ 3692.060844][ T72] netlink_sendmsg+0x723/0xbe0 [ 3692.060844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3692.060844][ T72] ___sys_sendmsg+0xee/0x170 [ 3692.060844][ T72] __sys_sendmsg+0xcd/0x170 [ 3692.060844][ T72] do_syscall_64+0xc6/0x1e0 [ 3692.060844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.060844][ T72] [ 3702.312929][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3702.313427][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3702.313427][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3702.313427][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3702.313427][ T72] fib6_nh_init+0xa22/0x1580 [ 3702.313427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.313427][ T72] ip6_route_add+0x1c/0x140 [ 3702.313427][ T72] inet6_rtm_newroute+0x104/0x110 [ 3702.313427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.313427][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.313427][ T72] netlink_unicast+0x449/0x710 [ 3702.313427][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.313427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.313427][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.313427][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.313427][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.313427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.313427][ T72] [ 3702.315356][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3702.315356][ T72] dst_init+0x84/0x4a0 [ 3702.315356][ T72] dst_alloc+0x97/0x150 [ 3702.315356][ T72] ip6_dst_alloc+0x23/0x90 [ 3702.315356][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3702.315356][ T72] ip6_pol_route+0x56f/0x840 [ 3702.315356][ T72] fib6_rule_lookup+0x456/0x630 [ 3702.315356][ T72] ip6_route_input+0x59c/0xa50 [ 3702.315356][ T72] ipv6_rcv+0x397/0x810 [ 3702.315356][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3702.315356][ T72] process_backlog+0x101/0x620 [ 3702.315356][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3702.315356][ T72] net_rx_action+0x495/0xbe0 [ 3702.315356][ T72] __do_softirq+0x1b5/0x7f6 [ 3702.315356][ T72] [ 3702.317020][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3702.317020][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.317020][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.317020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.317020][ T72] ip6_route_add+0x1c/0x140 [ 3702.317020][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3702.317020][ T72] inet6_addr_add+0x4f8/0xa40 [ 3702.317020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.317020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.317020][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.317020][ T72] netlink_unicast+0x449/0x710 [ 3702.317020][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.317020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.317020][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.317020][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.317020][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.317020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.317020][ T72] [ 3702.319036][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3702.319036][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.319036][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.319036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.319036][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3702.319036][ T72] ipv6_add_addr+0x411/0x2000 [ 3702.319036][ T72] inet6_addr_add+0x30e/0xa40 [ 3702.319036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.319036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.319036][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.319036][ T72] netlink_unicast+0x449/0x710 [ 3702.319036][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.319036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.319036][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.319036][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.319036][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.319036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.319036][ T72] [ 3702.321056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3702.321056][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.321056][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.321056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.321056][ T72] ip6_route_add+0x1c/0x140 [ 3702.321056][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3702.321056][ T72] addrconf_add_dev+0xe2/0x170 [ 3702.321056][ T72] inet6_addr_add+0x12f/0xa40 [ 3702.321056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.321056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.321056][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.321056][ T72] netlink_unicast+0x449/0x710 [ 3702.321056][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.321056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.321056][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.321056][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.321056][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.321056][ T72] [ 3702.323023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3702.323023][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3702.323023][ T72] ipv6_find_idev+0x102/0x170 [ 3702.323023][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.323023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.323023][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.323023][ T72] netlink_unicast+0x449/0x710 [ 3702.323023][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.323023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.323023][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.323023][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.323023][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.323023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.323023][ T72] [ 3702.324569][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3702.324569][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3702.324569][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3702.324569][ T72] ipv6_find_idev+0x102/0x170 [ 3702.324569][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.324569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.324569][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.324569][ T72] netlink_unicast+0x449/0x710 [ 3702.324569][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.324569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.324569][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.324569][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.324569][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.324569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.324569][ T72] [ 3702.326414][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3702.326689][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3702.326689][ T72] dst_init+0x84/0x4a0 [ 3702.326689][ T72] dst_alloc+0x97/0x150 [ 3702.326689][ T72] ip6_dst_alloc+0x23/0x90 [ 3702.326689][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3702.326689][ T72] ip6_pol_route+0x56f/0x840 [ 3702.326689][ T72] fib6_rule_lookup+0x456/0x630 [ 3702.326689][ T72] ip6_route_input+0x59c/0xa50 [ 3702.326689][ T72] ipv6_rcv+0x397/0x810 [ 3702.326689][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3702.326689][ T72] process_backlog+0x101/0x620 [ 3702.326689][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3702.326689][ T72] net_rx_action+0x495/0xbe0 [ 3702.326689][ T72] __do_softirq+0x1b5/0x7f6 [ 3702.326689][ T72] [ 3702.328336][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3702.328336][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.328336][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.328336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.328336][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3702.328336][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3702.328336][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3702.328336][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3702.328336][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3702.328336][ T72] addrconf_dad_begin+0x310/0x670 [ 3702.328336][ T72] addrconf_dad_work+0x10b/0xab0 [ 3702.328336][ T72] process_one_work+0x84d/0x18a0 [ 3702.328336][ T72] worker_thread+0x587/0xd30 [ 3702.328336][ T72] kthread+0x28a/0x350 [ 3702.328336][ T72] ret_from_fork+0x31/0x70 [ 3702.328336][ T72] ret_from_fork_asm+0x1a/0x30 [ 3702.328336][ T72] [ 3702.330252][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3702.330252][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.330252][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.330252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.330252][ T72] ip6_route_add+0x1c/0x140 [ 3702.330252][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3702.330252][ T72] inet6_addr_add+0x4f8/0xa40 [ 3702.330252][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.330252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.330252][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.330252][ T72] netlink_unicast+0x449/0x710 [ 3702.330252][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.330252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.330252][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.330252][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.330252][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.330252][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.330252][ T72] [ 3702.332260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3702.332260][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.332260][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.332260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.332260][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3702.332260][ T72] ipv6_add_addr+0x411/0x2000 [ 3702.332260][ T72] inet6_addr_add+0x30e/0xa40 [ 3702.332260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.332260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.332260][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.332260][ T72] netlink_unicast+0x449/0x710 [ 3702.332260][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.332260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.332260][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.332260][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.332260][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.332260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.332260][ T72] [ 3702.334265][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3702.334265][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.334265][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.334265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.334265][ T72] ip6_route_add+0x1c/0x140 [ 3702.334265][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3702.334265][ T72] addrconf_add_dev+0xe2/0x170 [ 3702.334265][ T72] inet6_addr_add+0x12f/0xa40 [ 3702.334265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.334265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.334265][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.334265][ T72] netlink_unicast+0x449/0x710 [ 3702.334265][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.334265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.334265][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.334265][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.334265][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.334265][ T72] [ 3702.336228][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3702.336228][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3702.336228][ T72] ipv6_find_idev+0x102/0x170 [ 3702.336228][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.336228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.336228][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.336228][ T72] netlink_unicast+0x449/0x710 [ 3702.336228][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.336228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.336228][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.336228][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.336228][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.336228][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.336228][ T72] [ 3702.337790][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3702.337790][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3702.337790][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3702.337790][ T72] ipv6_find_idev+0x102/0x170 [ 3702.337790][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.337790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.337790][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.337790][ T72] netlink_unicast+0x449/0x710 [ 3702.337790][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.337790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.337790][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.337790][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.337790][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.337790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.337790][ T72] [ 3702.339612][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3702.339900][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3702.339900][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3702.339900][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3702.339900][ T72] fib6_nh_init+0xa22/0x1580 [ 3702.339900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.339900][ T72] ip6_route_add+0x1c/0x140 [ 3702.339900][ T72] inet6_rtm_newroute+0x104/0x110 [ 3702.339900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.339900][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.339900][ T72] netlink_unicast+0x449/0x710 [ 3702.339900][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.339900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.339900][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.339900][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.339900][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.339900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.339900][ T72] [ 3702.342100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3702.342100][ T72] dst_init+0x84/0x4a0 [ 3702.342100][ T72] dst_alloc+0x97/0x150 [ 3702.342100][ T72] ip6_dst_alloc+0x23/0x90 [ 3702.342100][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3702.342100][ T72] ip6_pol_route+0x56f/0x840 [ 3702.342100][ T72] fib6_rule_lookup+0x456/0x630 [ 3702.342100][ T72] ip6_route_input+0x59c/0xa50 [ 3702.342100][ T72] ipv6_rcv+0x397/0x810 [ 3702.342100][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3702.342100][ T72] process_backlog+0x101/0x620 [ 3702.342100][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3702.342100][ T72] net_rx_action+0x495/0xbe0 [ 3702.342100][ T72] __do_softirq+0x1b5/0x7f6 [ 3702.342100][ T72] [ 3702.343919][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3702.343919][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.343919][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.343919][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.343919][ T72] ip6_route_add+0x1c/0x140 [ 3702.343919][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3702.343919][ T72] inet6_addr_add+0x4f8/0xa40 [ 3702.343919][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.343919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.343919][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.343919][ T72] netlink_unicast+0x449/0x710 [ 3702.343919][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.343919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.343919][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.343919][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.343919][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.343919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.343919][ T72] [ 3702.346697][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3702.346697][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.346697][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.346697][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.346697][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3702.346697][ T72] ipv6_add_addr+0x411/0x2000 [ 3702.346697][ T72] inet6_addr_add+0x30e/0xa40 [ 3702.346697][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.346697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.346697][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.346697][ T72] netlink_unicast+0x449/0x710 [ 3702.346697][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.346697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.346697][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.346697][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.346697][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.346697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.346697][ T72] [ 3702.348881][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3702.348881][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.348881][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.348881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.348881][ T72] ip6_route_add+0x1c/0x140 [ 3702.348881][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3702.348881][ T72] addrconf_add_dev+0xe2/0x170 [ 3702.348881][ T72] inet6_addr_add+0x12f/0xa40 [ 3702.348881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.348881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.348881][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.348881][ T72] netlink_unicast+0x449/0x710 [ 3702.348881][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.348881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.348881][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.348881][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.348881][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.348881][ T72] [ 3702.351152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3702.351152][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3702.351152][ T72] ipv6_find_idev+0x102/0x170 [ 3702.351152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.351152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.351152][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.351152][ T72] netlink_unicast+0x449/0x710 [ 3702.351152][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.351152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.351152][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.351152][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.351152][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.351152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.351152][ T72] [ 3702.352876][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3702.352876][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3702.352876][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3702.352876][ T72] ipv6_find_idev+0x102/0x170 [ 3702.352876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.352876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.352876][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.352876][ T72] netlink_unicast+0x449/0x710 [ 3702.352876][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.352876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.352876][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.352876][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.352876][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.352876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.352876][ T72] [ 3702.354747][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3702.355521][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3702.355521][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.355521][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.355521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.355521][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3702.355521][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3702.355521][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3702.355521][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3702.355521][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3702.355521][ T72] addrconf_dad_begin+0x310/0x670 [ 3702.355521][ T72] addrconf_dad_work+0x10b/0xab0 [ 3702.355521][ T72] process_one_work+0x84d/0x18a0 [ 3702.355521][ T72] worker_thread+0x587/0xd30 [ 3702.355521][ T72] kthread+0x28a/0x350 [ 3702.355521][ T72] ret_from_fork+0x31/0x70 [ 3702.355521][ T72] ret_from_fork_asm+0x1a/0x30 [ 3702.355521][ T72] [ 3702.357433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3702.357433][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.357433][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.357433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.357433][ T72] ip6_route_add+0x1c/0x140 [ 3702.357433][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3702.357433][ T72] inet6_addr_add+0x4f8/0xa40 [ 3702.357433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.357433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.357433][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.357433][ T72] netlink_unicast+0x449/0x710 [ 3702.357433][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.357433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.357433][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.357433][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.357433][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.357433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.357433][ T72] [ 3702.359489][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3702.359489][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.359489][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.359489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.359489][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3702.359489][ T72] ipv6_add_addr+0x411/0x2000 [ 3702.359489][ T72] inet6_addr_add+0x30e/0xa40 [ 3702.359489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.359489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.359489][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.359489][ T72] netlink_unicast+0x449/0x710 [ 3702.359489][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.359489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.359489][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.359489][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.359489][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.359489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.359489][ T72] [ 3702.361737][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3702.361737][ T72] netdev_get_by_index+0x5e/0x80 [ 3702.361737][ T72] fib6_nh_init+0x3d8/0x1580 [ 3702.361737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3702.361737][ T72] ip6_route_add+0x1c/0x140 [ 3702.361737][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3702.361737][ T72] addrconf_add_dev+0xe2/0x170 [ 3702.361737][ T72] inet6_addr_add+0x12f/0xa40 [ 3702.361737][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.361737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.361737][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.361737][ T72] netlink_unicast+0x449/0x710 [ 3702.361737][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.361737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.361737][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.361737][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.361737][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.361737][ T72] [ 3702.364409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3702.364409][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3702.364409][ T72] ipv6_find_idev+0x102/0x170 [ 3702.364409][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.364409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.364409][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.364409][ T72] netlink_unicast+0x449/0x710 [ 3702.364409][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.364409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.364409][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.364409][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.364409][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.364409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.364409][ T72] [ 3702.366134][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3702.366134][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3702.366134][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3702.366134][ T72] ipv6_find_idev+0x102/0x170 [ 3702.366134][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.366134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.366134][ T72] netlink_rcv_skb+0x130/0x360 [ 3702.366134][ T72] netlink_unicast+0x449/0x710 [ 3702.366134][ T72] netlink_sendmsg+0x723/0xbe0 [ 3702.366134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3702.366134][ T72] ___sys_sendmsg+0xee/0x170 [ 3702.366134][ T72] __sys_sendmsg+0xcd/0x170 [ 3702.366134][ T72] do_syscall_64+0xc6/0x1e0 [ 3702.366134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.366134][ T72] [ 3712.368927][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3712.369436][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3712.369436][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3712.369436][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3712.369436][ T72] fib6_nh_init+0xa22/0x1580 [ 3712.369436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.369436][ T72] ip6_route_add+0x1c/0x140 [ 3712.369436][ T72] inet6_rtm_newroute+0x104/0x110 [ 3712.369436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.369436][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.369436][ T72] netlink_unicast+0x449/0x710 [ 3712.369436][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.369436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.369436][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.369436][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.369436][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.369436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.369436][ T72] [ 3712.371365][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3712.371365][ T72] dst_init+0x84/0x4a0 [ 3712.371365][ T72] dst_alloc+0x97/0x150 [ 3712.371365][ T72] ip6_dst_alloc+0x23/0x90 [ 3712.371365][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3712.371365][ T72] ip6_pol_route+0x56f/0x840 [ 3712.371365][ T72] fib6_rule_lookup+0x456/0x630 [ 3712.371365][ T72] ip6_route_input+0x59c/0xa50 [ 3712.371365][ T72] ipv6_rcv+0x397/0x810 [ 3712.371365][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3712.371365][ T72] process_backlog+0x101/0x620 [ 3712.371365][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3712.371365][ T72] net_rx_action+0x495/0xbe0 [ 3712.371365][ T72] __do_softirq+0x1b5/0x7f6 [ 3712.371365][ T72] [ 3712.373019][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3712.373019][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.373019][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.373019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.373019][ T72] ip6_route_add+0x1c/0x140 [ 3712.373019][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3712.373019][ T72] inet6_addr_add+0x4f8/0xa40 [ 3712.373019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.373019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.373019][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.373019][ T72] netlink_unicast+0x449/0x710 [ 3712.373019][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.373019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.373019][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.373019][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.373019][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.373019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.373019][ T72] [ 3712.375023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3712.375023][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.375023][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.375023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.375023][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3712.375023][ T72] ipv6_add_addr+0x411/0x2000 [ 3712.375023][ T72] inet6_addr_add+0x30e/0xa40 [ 3712.375023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.375023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.375023][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.375023][ T72] netlink_unicast+0x449/0x710 [ 3712.375023][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.375023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.375023][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.375023][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.375023][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.375023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.375023][ T72] [ 3712.377026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3712.377026][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.377026][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.377026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.377026][ T72] ip6_route_add+0x1c/0x140 [ 3712.377026][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3712.377026][ T72] addrconf_add_dev+0xe2/0x170 [ 3712.377026][ T72] inet6_addr_add+0x12f/0xa40 [ 3712.377026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.377026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.377026][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.377026][ T72] netlink_unicast+0x449/0x710 [ 3712.377026][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.377026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.377026][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.377026][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.377026][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.377026][ T72] [ 3712.378995][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3712.378995][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3712.378995][ T72] ipv6_find_idev+0x102/0x170 [ 3712.378995][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.378995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.378995][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.378995][ T72] netlink_unicast+0x449/0x710 [ 3712.378995][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.378995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.378995][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.378995][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.378995][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.378995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.378995][ T72] [ 3712.380542][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3712.380542][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3712.380542][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3712.380542][ T72] ipv6_find_idev+0x102/0x170 [ 3712.380542][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.380542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.380542][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.380542][ T72] netlink_unicast+0x449/0x710 [ 3712.380542][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.380542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.380542][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.380542][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.380542][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.380542][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.380542][ T72] [ 3712.382256][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3712.382534][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3712.382534][ T72] dst_init+0x84/0x4a0 [ 3712.382534][ T72] dst_alloc+0x97/0x150 [ 3712.382534][ T72] ip6_dst_alloc+0x23/0x90 [ 3712.382534][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3712.382534][ T72] ip6_pol_route+0x56f/0x840 [ 3712.382534][ T72] fib6_rule_lookup+0x456/0x630 [ 3712.382534][ T72] ip6_route_input+0x59c/0xa50 [ 3712.382534][ T72] ipv6_rcv+0x397/0x810 [ 3712.382534][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3712.382534][ T72] process_backlog+0x101/0x620 [ 3712.382534][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3712.382534][ T72] net_rx_action+0x495/0xbe0 [ 3712.382534][ T72] __do_softirq+0x1b5/0x7f6 [ 3712.382534][ T72] [ 3712.384183][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3712.384183][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.384183][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.384183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.384183][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3712.384183][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3712.384183][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3712.384183][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3712.384183][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3712.384183][ T72] addrconf_dad_begin+0x310/0x670 [ 3712.384183][ T72] addrconf_dad_work+0x10b/0xab0 [ 3712.384183][ T72] process_one_work+0x84d/0x18a0 [ 3712.384183][ T72] worker_thread+0x587/0xd30 [ 3712.384183][ T72] kthread+0x28a/0x350 [ 3712.384183][ T72] ret_from_fork+0x31/0x70 [ 3712.384183][ T72] ret_from_fork_asm+0x1a/0x30 [ 3712.384183][ T72] [ 3712.386109][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3712.386109][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.386109][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.386109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.386109][ T72] ip6_route_add+0x1c/0x140 [ 3712.386109][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3712.386109][ T72] inet6_addr_add+0x4f8/0xa40 [ 3712.386109][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.386109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.386109][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.386109][ T72] netlink_unicast+0x449/0x710 [ 3712.386109][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.386109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.386109][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.386109][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.386109][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.386109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.386109][ T72] [ 3712.388118][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3712.388118][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.388118][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.388118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.388118][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3712.388118][ T72] ipv6_add_addr+0x411/0x2000 [ 3712.388118][ T72] inet6_addr_add+0x30e/0xa40 [ 3712.388118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.388118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.388118][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.388118][ T72] netlink_unicast+0x449/0x710 [ 3712.388118][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.388118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.388118][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.388118][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.388118][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.388118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.388118][ T72] [ 3712.390129][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3712.390129][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.390129][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.390129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.390129][ T72] ip6_route_add+0x1c/0x140 [ 3712.390129][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3712.390129][ T72] addrconf_add_dev+0xe2/0x170 [ 3712.390129][ T72] inet6_addr_add+0x12f/0xa40 [ 3712.390129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.390129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.390129][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.390129][ T72] netlink_unicast+0x449/0x710 [ 3712.390129][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.390129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.390129][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.390129][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.390129][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.390129][ T72] [ 3712.392098][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3712.392098][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3712.392098][ T72] ipv6_find_idev+0x102/0x170 [ 3712.392098][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.392098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.392098][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.392098][ T72] netlink_unicast+0x449/0x710 [ 3712.392098][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.392098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.392098][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.392098][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.392098][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.392098][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.392098][ T72] [ 3712.393637][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3712.393637][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3712.393637][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3712.393637][ T72] ipv6_find_idev+0x102/0x170 [ 3712.393637][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.393637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.393637][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.393637][ T72] netlink_unicast+0x449/0x710 [ 3712.393637][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.393637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.393637][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.393637][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.393637][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.393637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.393637][ T72] [ 3712.395447][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3712.395719][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3712.395719][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3712.395719][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3712.395719][ T72] fib6_nh_init+0xa22/0x1580 [ 3712.395719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.395719][ T72] ip6_route_add+0x1c/0x140 [ 3712.395719][ T72] inet6_rtm_newroute+0x104/0x110 [ 3712.395719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.395719][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.395719][ T72] netlink_unicast+0x449/0x710 [ 3712.395719][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.395719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.395719][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.395719][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.395719][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.395719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.395719][ T72] [ 3712.397908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3712.397908][ T72] dst_init+0x84/0x4a0 [ 3712.397908][ T72] dst_alloc+0x97/0x150 [ 3712.397908][ T72] ip6_dst_alloc+0x23/0x90 [ 3712.397908][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3712.397908][ T72] ip6_pol_route+0x56f/0x840 [ 3712.397908][ T72] fib6_rule_lookup+0x456/0x630 [ 3712.397908][ T72] ip6_route_input+0x59c/0xa50 [ 3712.397908][ T72] ipv6_rcv+0x397/0x810 [ 3712.397908][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3712.397908][ T72] process_backlog+0x101/0x620 [ 3712.397908][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3712.397908][ T72] net_rx_action+0x495/0xbe0 [ 3712.397908][ T72] __do_softirq+0x1b5/0x7f6 [ 3712.397908][ T72] [ 3712.399728][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3712.399728][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.399728][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.399728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.399728][ T72] ip6_route_add+0x1c/0x140 [ 3712.399728][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3712.399728][ T72] inet6_addr_add+0x4f8/0xa40 [ 3712.399728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.399728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.399728][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.399728][ T72] netlink_unicast+0x449/0x710 [ 3712.399728][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.399728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.399728][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.399728][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.399728][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.399728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.399728][ T72] [ 3712.401981][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3712.401981][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.401981][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.401981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.401981][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3712.401981][ T72] ipv6_add_addr+0x411/0x2000 [ 3712.401981][ T72] inet6_addr_add+0x30e/0xa40 [ 3712.401981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.401981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.401981][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.401981][ T72] netlink_unicast+0x449/0x710 [ 3712.401981][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.401981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.401981][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.401981][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.401981][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.401981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.401981][ T72] [ 3712.404167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3712.404167][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.404167][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.404167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.404167][ T72] ip6_route_add+0x1c/0x140 [ 3712.404167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3712.404167][ T72] addrconf_add_dev+0xe2/0x170 [ 3712.404167][ T72] inet6_addr_add+0x12f/0xa40 [ 3712.404167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.404167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.404167][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.404167][ T72] netlink_unicast+0x449/0x710 [ 3712.404167][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.404167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.404167][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.404167][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.404167][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.404167][ T72] [ 3712.406440][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3712.406440][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3712.406440][ T72] ipv6_find_idev+0x102/0x170 [ 3712.406440][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.406440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.406440][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.406440][ T72] netlink_unicast+0x449/0x710 [ 3712.406440][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.406440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.406440][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.406440][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.406440][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.406440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.406440][ T72] [ 3712.408161][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3712.408161][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3712.408161][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3712.408161][ T72] ipv6_find_idev+0x102/0x170 [ 3712.408161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.408161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.408161][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.408161][ T72] netlink_unicast+0x449/0x710 [ 3712.408161][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.408161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.408161][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.408161][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.408161][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.408161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.408161][ T72] [ 3712.410042][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3712.410379][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3712.410379][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.410379][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.410379][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.410379][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3712.410379][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3712.410379][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3712.410379][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3712.410379][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3712.410379][ T72] addrconf_dad_begin+0x310/0x670 [ 3712.410379][ T72] addrconf_dad_work+0x10b/0xab0 [ 3712.410379][ T72] process_one_work+0x84d/0x18a0 [ 3712.410379][ T72] worker_thread+0x587/0xd30 [ 3712.410379][ T72] kthread+0x28a/0x350 [ 3712.410379][ T72] ret_from_fork+0x31/0x70 [ 3712.410379][ T72] ret_from_fork_asm+0x1a/0x30 [ 3712.410379][ T72] [ 3712.412485][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3712.412485][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.412485][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.412485][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.412485][ T72] ip6_route_add+0x1c/0x140 [ 3712.412485][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3712.412485][ T72] inet6_addr_add+0x4f8/0xa40 [ 3712.412485][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.412485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.412485][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.412485][ T72] netlink_unicast+0x449/0x710 [ 3712.412485][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.412485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.412485][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.412485][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.412485][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.412485][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.412485][ T72] [ 3712.414730][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3712.414730][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.414730][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.414730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.414730][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3712.414730][ T72] ipv6_add_addr+0x411/0x2000 [ 3712.414730][ T72] inet6_addr_add+0x30e/0xa40 [ 3712.414730][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.414730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.414730][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.414730][ T72] netlink_unicast+0x449/0x710 [ 3712.414730][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.414730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.414730][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.414730][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.414730][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.414730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.414730][ T72] [ 3712.417046][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3712.417046][ T72] netdev_get_by_index+0x5e/0x80 [ 3712.417046][ T72] fib6_nh_init+0x3d8/0x1580 [ 3712.417046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3712.417046][ T72] ip6_route_add+0x1c/0x140 [ 3712.417046][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3712.417046][ T72] addrconf_add_dev+0xe2/0x170 [ 3712.417046][ T72] inet6_addr_add+0x12f/0xa40 [ 3712.417046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.417046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.417046][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.417046][ T72] netlink_unicast+0x449/0x710 [ 3712.417046][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.417046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.417046][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.417046][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.417046][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.417046][ T72] [ 3712.419209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3712.419209][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3712.419209][ T72] ipv6_find_idev+0x102/0x170 [ 3712.419209][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.419209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.419209][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.419209][ T72] netlink_unicast+0x449/0x710 [ 3712.419209][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.419209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.419209][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.419209][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.419209][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.419209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.419209][ T72] [ 3712.420945][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3712.420945][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3712.420945][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3712.420945][ T72] ipv6_find_idev+0x102/0x170 [ 3712.420945][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.420945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.420945][ T72] netlink_rcv_skb+0x130/0x360 [ 3712.420945][ T72] netlink_unicast+0x449/0x710 [ 3712.420945][ T72] netlink_sendmsg+0x723/0xbe0 [ 3712.420945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3712.420945][ T72] ___sys_sendmsg+0xee/0x170 [ 3712.420945][ T72] __sys_sendmsg+0xcd/0x170 [ 3712.420945][ T72] do_syscall_64+0xc6/0x1e0 [ 3712.420945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.420945][ T72] [ 3722.665055][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3722.666045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3722.666045][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3722.666045][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3722.666045][ T72] fib6_nh_init+0xa22/0x1580 [ 3722.666045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.666045][ T72] ip6_route_add+0x1c/0x140 [ 3722.666045][ T72] inet6_rtm_newroute+0x104/0x110 [ 3722.666045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.666045][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.666045][ T72] netlink_unicast+0x449/0x710 [ 3722.666045][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.666045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.666045][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.666045][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.666045][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.666045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.666045][ T72] [ 3722.667923][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3722.667923][ T72] dst_init+0x84/0x4a0 [ 3722.667923][ T72] dst_alloc+0x97/0x150 [ 3722.667923][ T72] ip6_dst_alloc+0x23/0x90 [ 3722.667923][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3722.667923][ T72] ip6_pol_route+0x56f/0x840 [ 3722.667923][ T72] fib6_rule_lookup+0x456/0x630 [ 3722.667923][ T72] ip6_route_input+0x59c/0xa50 [ 3722.667923][ T72] ipv6_rcv+0x397/0x810 [ 3722.667923][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3722.667923][ T72] process_backlog+0x101/0x620 [ 3722.667923][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3722.667923][ T72] net_rx_action+0x495/0xbe0 [ 3722.667923][ T72] __do_softirq+0x1b5/0x7f6 [ 3722.667923][ T72] [ 3722.669523][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3722.669523][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.669523][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.669523][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.669523][ T72] ip6_route_add+0x1c/0x140 [ 3722.669523][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3722.669523][ T72] inet6_addr_add+0x4f8/0xa40 [ 3722.669523][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.669523][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.669523][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.669523][ T72] netlink_unicast+0x449/0x710 [ 3722.669523][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.669523][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.669523][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.669523][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.669523][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.669523][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.669523][ T72] [ 3722.671520][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3722.671520][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.671520][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.671520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.671520][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3722.671520][ T72] ipv6_add_addr+0x411/0x2000 [ 3722.671520][ T72] inet6_addr_add+0x30e/0xa40 [ 3722.671520][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.671520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.671520][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.671520][ T72] netlink_unicast+0x449/0x710 [ 3722.671520][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.671520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.671520][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.671520][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.671520][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.671520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.671520][ T72] [ 3722.673441][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3722.673441][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.673441][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.673441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.673441][ T72] ip6_route_add+0x1c/0x140 [ 3722.673441][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3722.673441][ T72] addrconf_add_dev+0xe2/0x170 [ 3722.673441][ T72] inet6_addr_add+0x12f/0xa40 [ 3722.673441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.673441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.673441][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.673441][ T72] netlink_unicast+0x449/0x710 [ 3722.673441][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.673441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.673441][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.673441][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.673441][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.673441][ T72] [ 3722.675350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3722.675350][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3722.675350][ T72] ipv6_find_idev+0x102/0x170 [ 3722.675350][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.675350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.675350][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.675350][ T72] netlink_unicast+0x449/0x710 [ 3722.675350][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.675350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.675350][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.675350][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.675350][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.675350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.675350][ T72] [ 3722.676849][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3722.676849][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3722.676849][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3722.676849][ T72] ipv6_find_idev+0x102/0x170 [ 3722.676849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.676849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.676849][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.676849][ T72] netlink_unicast+0x449/0x710 [ 3722.676849][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.676849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.676849][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.676849][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.676849][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.676849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.676849][ T72] [ 3722.678562][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3722.678838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3722.678838][ T72] dst_init+0x84/0x4a0 [ 3722.678838][ T72] dst_alloc+0x97/0x150 [ 3722.678838][ T72] ip6_dst_alloc+0x23/0x90 [ 3722.678838][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3722.678838][ T72] ip6_pol_route+0x56f/0x840 [ 3722.678838][ T72] fib6_rule_lookup+0x456/0x630 [ 3722.678838][ T72] ip6_route_input+0x59c/0xa50 [ 3722.678838][ T72] ipv6_rcv+0x397/0x810 [ 3722.678838][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3722.678838][ T72] process_backlog+0x101/0x620 [ 3722.678838][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3722.678838][ T72] net_rx_action+0x495/0xbe0 [ 3722.678838][ T72] __do_softirq+0x1b5/0x7f6 [ 3722.678838][ T72] [ 3722.680478][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3722.680478][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.680478][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.680478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.680478][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3722.680478][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3722.680478][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3722.680478][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3722.680478][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3722.680478][ T72] addrconf_dad_begin+0x310/0x670 [ 3722.680478][ T72] addrconf_dad_work+0x10b/0xab0 [ 3722.680478][ T72] process_one_work+0x84d/0x18a0 [ 3722.680478][ T72] worker_thread+0x587/0xd30 [ 3722.680478][ T72] kthread+0x28a/0x350 [ 3722.680478][ T72] ret_from_fork+0x31/0x70 [ 3722.680478][ T72] ret_from_fork_asm+0x1a/0x30 [ 3722.680478][ T72] [ 3722.682420][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3722.682420][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.682420][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.682420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.682420][ T72] ip6_route_add+0x1c/0x140 [ 3722.682420][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3722.682420][ T72] inet6_addr_add+0x4f8/0xa40 [ 3722.682420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.682420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.682420][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.682420][ T72] netlink_unicast+0x449/0x710 [ 3722.682420][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.682420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.682420][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.682420][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.682420][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.682420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.682420][ T72] [ 3722.684375][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3722.684375][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.684375][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.684375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.684375][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3722.684375][ T72] ipv6_add_addr+0x411/0x2000 [ 3722.684375][ T72] inet6_addr_add+0x30e/0xa40 [ 3722.684375][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.684375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.684375][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.684375][ T72] netlink_unicast+0x449/0x710 [ 3722.684375][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.684375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.684375][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.684375][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.684375][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.684375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.684375][ T72] [ 3722.686383][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3722.686383][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.686383][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.686383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.686383][ T72] ip6_route_add+0x1c/0x140 [ 3722.686383][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3722.686383][ T72] addrconf_add_dev+0xe2/0x170 [ 3722.686383][ T72] inet6_addr_add+0x12f/0xa40 [ 3722.686383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.686383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.686383][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.686383][ T72] netlink_unicast+0x449/0x710 [ 3722.686383][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.686383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.686383][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.686383][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.686383][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.686383][ T72] [ 3722.688344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3722.688344][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3722.688344][ T72] ipv6_find_idev+0x102/0x170 [ 3722.688344][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.688344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.688344][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.688344][ T72] netlink_unicast+0x449/0x710 [ 3722.688344][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.688344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.688344][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.688344][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.688344][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.688344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.688344][ T72] [ 3722.689885][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3722.689885][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3722.689885][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3722.689885][ T72] ipv6_find_idev+0x102/0x170 [ 3722.689885][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.689885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.689885][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.689885][ T72] netlink_unicast+0x449/0x710 [ 3722.689885][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.689885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.689885][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.689885][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.689885][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.689885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.689885][ T72] [ 3722.691729][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3722.692036][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3722.692036][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3722.692036][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3722.692036][ T72] fib6_nh_init+0xa22/0x1580 [ 3722.692036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.692036][ T72] ip6_route_add+0x1c/0x140 [ 3722.692036][ T72] inet6_rtm_newroute+0x104/0x110 [ 3722.692036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.692036][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.692036][ T72] netlink_unicast+0x449/0x710 [ 3722.692036][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.692036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.692036][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.692036][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.692036][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.692036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.692036][ T72] [ 3722.694176][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3722.694176][ T72] dst_init+0x84/0x4a0 [ 3722.694176][ T72] dst_alloc+0x97/0x150 [ 3722.694176][ T72] ip6_dst_alloc+0x23/0x90 [ 3722.694176][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3722.694176][ T72] ip6_pol_route+0x56f/0x840 [ 3722.694176][ T72] fib6_rule_lookup+0x456/0x630 [ 3722.694176][ T72] ip6_route_input+0x59c/0xa50 [ 3722.694176][ T72] ipv6_rcv+0x397/0x810 [ 3722.694176][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3722.694176][ T72] process_backlog+0x101/0x620 [ 3722.694176][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3722.694176][ T72] net_rx_action+0x495/0xbe0 [ 3722.694176][ T72] __do_softirq+0x1b5/0x7f6 [ 3722.694176][ T72] [ 3722.695993][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3722.695993][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.695993][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.695993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.695993][ T72] ip6_route_add+0x1c/0x140 [ 3722.695993][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3722.695993][ T72] inet6_addr_add+0x4f8/0xa40 [ 3722.695993][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.695993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.695993][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.695993][ T72] netlink_unicast+0x449/0x710 [ 3722.695993][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.695993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.695993][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.695993][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.695993][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.695993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.695993][ T72] [ 3722.698195][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3722.698195][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.698195][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.698195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.698195][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3722.698195][ T72] ipv6_add_addr+0x411/0x2000 [ 3722.698195][ T72] inet6_addr_add+0x30e/0xa40 [ 3722.698195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.698195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.698195][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.698195][ T72] netlink_unicast+0x449/0x710 [ 3722.698195][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.698195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.698195][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.698195][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.698195][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.698195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.698195][ T72] [ 3722.700436][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3722.700436][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.700436][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.700436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.700436][ T72] ip6_route_add+0x1c/0x140 [ 3722.700436][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3722.700436][ T72] addrconf_add_dev+0xe2/0x170 [ 3722.700436][ T72] inet6_addr_add+0x12f/0xa40 [ 3722.700436][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.700436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.700436][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.700436][ T72] netlink_unicast+0x449/0x710 [ 3722.700436][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.700436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.700436][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.700436][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.700436][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.700436][ T72] [ 3722.702738][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3722.702738][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3722.702738][ T72] ipv6_find_idev+0x102/0x170 [ 3722.702738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.702738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.702738][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.702738][ T72] netlink_unicast+0x449/0x710 [ 3722.702738][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.702738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.702738][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.702738][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.702738][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.702738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.702738][ T72] [ 3722.704452][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3722.704452][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3722.704452][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3722.704452][ T72] ipv6_find_idev+0x102/0x170 [ 3722.704452][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.704452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.704452][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.704452][ T72] netlink_unicast+0x449/0x710 [ 3722.704452][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.704452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.704452][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.704452][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.704452][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.704452][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.704452][ T72] [ 3722.706302][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3722.706575][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3722.706575][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.706575][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.706575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.706575][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3722.706575][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3722.706575][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3722.706575][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3722.706575][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3722.706575][ T72] addrconf_dad_begin+0x310/0x670 [ 3722.706575][ T72] addrconf_dad_work+0x10b/0xab0 [ 3722.706575][ T72] process_one_work+0x84d/0x18a0 [ 3722.706575][ T72] worker_thread+0x587/0xd30 [ 3722.706575][ T72] kthread+0x28a/0x350 [ 3722.706575][ T72] ret_from_fork+0x31/0x70 [ 3722.706575][ T72] ret_from_fork_asm+0x1a/0x30 [ 3722.706575][ T72] [ 3722.708723][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3722.708723][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.708723][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.708723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.708723][ T72] ip6_route_add+0x1c/0x140 [ 3722.708723][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3722.708723][ T72] inet6_addr_add+0x4f8/0xa40 [ 3722.708723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.708723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.708723][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.708723][ T72] netlink_unicast+0x449/0x710 [ 3722.708723][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.708723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.708723][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.708723][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.708723][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.708723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.708723][ T72] [ 3722.710986][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3722.710986][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.710986][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.710986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.710986][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3722.710986][ T72] ipv6_add_addr+0x411/0x2000 [ 3722.710986][ T72] inet6_addr_add+0x30e/0xa40 [ 3722.710986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.710986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.710986][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.710986][ T72] netlink_unicast+0x449/0x710 [ 3722.710986][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.710986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.710986][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.710986][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.710986][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.710986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.710986][ T72] [ 3722.713288][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3722.713288][ T72] netdev_get_by_index+0x5e/0x80 [ 3722.713288][ T72] fib6_nh_init+0x3d8/0x1580 [ 3722.713288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3722.713288][ T72] ip6_route_add+0x1c/0x140 [ 3722.713288][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3722.713288][ T72] addrconf_add_dev+0xe2/0x170 [ 3722.713288][ T72] inet6_addr_add+0x12f/0xa40 [ 3722.713288][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.713288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.713288][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.713288][ T72] netlink_unicast+0x449/0x710 [ 3722.713288][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.713288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.713288][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.713288][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.713288][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.713288][ T72] [ 3722.715429][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3722.715429][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3722.715429][ T72] ipv6_find_idev+0x102/0x170 [ 3722.715429][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.715429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.715429][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.715429][ T72] netlink_unicast+0x449/0x710 [ 3722.715429][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.715429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.715429][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.715429][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.715429][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.715429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.715429][ T72] [ 3722.717287][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3722.717287][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3722.717287][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3722.717287][ T72] ipv6_find_idev+0x102/0x170 [ 3722.717287][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.717287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.717287][ T72] netlink_rcv_skb+0x130/0x360 [ 3722.717287][ T72] netlink_unicast+0x449/0x710 [ 3722.717287][ T72] netlink_sendmsg+0x723/0xbe0 [ 3722.717287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3722.717287][ T72] ___sys_sendmsg+0xee/0x170 [ 3722.717287][ T72] __sys_sendmsg+0xcd/0x170 [ 3722.717287][ T72] do_syscall_64+0xc6/0x1e0 [ 3722.717287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.717287][ T72] [ 3732.841043][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3732.841817][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3732.841817][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3732.841817][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3732.841817][ T72] fib6_nh_init+0xa22/0x1580 [ 3732.841817][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.841817][ T72] ip6_route_add+0x1c/0x140 [ 3732.841817][ T72] inet6_rtm_newroute+0x104/0x110 [ 3732.841817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.841817][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.841817][ T72] netlink_unicast+0x449/0x710 [ 3732.841817][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.841817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.841817][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.841817][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.841817][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.841817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.841817][ T72] [ 3732.843789][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3732.843789][ T72] dst_init+0x84/0x4a0 [ 3732.843789][ T72] dst_alloc+0x97/0x150 [ 3732.843789][ T72] ip6_dst_alloc+0x23/0x90 [ 3732.843789][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3732.843789][ T72] ip6_pol_route+0x56f/0x840 [ 3732.843789][ T72] fib6_rule_lookup+0x456/0x630 [ 3732.843789][ T72] ip6_route_input+0x59c/0xa50 [ 3732.843789][ T72] ipv6_rcv+0x397/0x810 [ 3732.843789][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3732.843789][ T72] process_backlog+0x101/0x620 [ 3732.843789][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3732.843789][ T72] net_rx_action+0x495/0xbe0 [ 3732.843789][ T72] __do_softirq+0x1b5/0x7f6 [ 3732.843789][ T72] [ 3732.845433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3732.845433][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.845433][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.845433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.845433][ T72] ip6_route_add+0x1c/0x140 [ 3732.845433][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3732.845433][ T72] inet6_addr_add+0x4f8/0xa40 [ 3732.845433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.845433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.845433][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.845433][ T72] netlink_unicast+0x449/0x710 [ 3732.845433][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.845433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.845433][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.845433][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.845433][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.845433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.845433][ T72] [ 3732.847590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3732.847590][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.847590][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.847590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.847590][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3732.847590][ T72] ipv6_add_addr+0x411/0x2000 [ 3732.847590][ T72] inet6_addr_add+0x30e/0xa40 [ 3732.847590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.847590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.847590][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.847590][ T72] netlink_unicast+0x449/0x710 [ 3732.847590][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.847590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.847590][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.847590][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.847590][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.847590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.847590][ T72] [ 3732.849766][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3732.849766][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.849766][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.849766][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.849766][ T72] ip6_route_add+0x1c/0x140 [ 3732.849766][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3732.849766][ T72] addrconf_add_dev+0xe2/0x170 [ 3732.849766][ T72] inet6_addr_add+0x12f/0xa40 [ 3732.849766][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.849766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.849766][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.849766][ T72] netlink_unicast+0x449/0x710 [ 3732.849766][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.849766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.849766][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.849766][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.849766][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.849766][ T72] [ 3732.851807][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3732.851807][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3732.851807][ T72] ipv6_find_idev+0x102/0x170 [ 3732.851807][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.851807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.851807][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.851807][ T72] netlink_unicast+0x449/0x710 [ 3732.851807][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.851807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.851807][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.851807][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.851807][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.851807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.851807][ T72] [ 3732.853451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3732.853451][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3732.853451][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3732.853451][ T72] ipv6_find_idev+0x102/0x170 [ 3732.853451][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.853451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.853451][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.853451][ T72] netlink_unicast+0x449/0x710 [ 3732.853451][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.853451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.853451][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.853451][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.853451][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.853451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.853451][ T72] [ 3732.855176][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3732.855480][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3732.855480][ T72] dst_init+0x84/0x4a0 [ 3732.855480][ T72] dst_alloc+0x97/0x150 [ 3732.855480][ T72] ip6_dst_alloc+0x23/0x90 [ 3732.855480][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3732.855480][ T72] ip6_pol_route+0x56f/0x840 [ 3732.855480][ T72] fib6_rule_lookup+0x456/0x630 [ 3732.855480][ T72] ip6_route_input+0x59c/0xa50 [ 3732.855480][ T72] ipv6_rcv+0x397/0x810 [ 3732.855480][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3732.855480][ T72] process_backlog+0x101/0x620 [ 3732.855480][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3732.855480][ T72] net_rx_action+0x495/0xbe0 [ 3732.855480][ T72] __do_softirq+0x1b5/0x7f6 [ 3732.855480][ T72] [ 3732.857153][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3732.857153][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.857153][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.857153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.857153][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3732.857153][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3732.857153][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3732.857153][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3732.857153][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3732.857153][ T72] addrconf_dad_begin+0x310/0x670 [ 3732.857153][ T72] addrconf_dad_work+0x10b/0xab0 [ 3732.857153][ T72] process_one_work+0x84d/0x18a0 [ 3732.857153][ T72] worker_thread+0x587/0xd30 [ 3732.857153][ T72] kthread+0x28a/0x350 [ 3732.857153][ T72] ret_from_fork+0x31/0x70 [ 3732.857153][ T72] ret_from_fork_asm+0x1a/0x30 [ 3732.857153][ T72] [ 3732.859081][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3732.859081][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.859081][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.859081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.859081][ T72] ip6_route_add+0x1c/0x140 [ 3732.859081][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3732.859081][ T72] inet6_addr_add+0x4f8/0xa40 [ 3732.859081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.859081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.859081][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.859081][ T72] netlink_unicast+0x449/0x710 [ 3732.859081][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.859081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.859081][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.859081][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.859081][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.859081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.859081][ T72] [ 3732.861044][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3732.861044][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.861044][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.861044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.861044][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3732.861044][ T72] ipv6_add_addr+0x411/0x2000 [ 3732.861044][ T72] inet6_addr_add+0x30e/0xa40 [ 3732.861044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.861044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.861044][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.861044][ T72] netlink_unicast+0x449/0x710 [ 3732.861044][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.861044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.861044][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.861044][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.861044][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.861044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.861044][ T72] [ 3732.862997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3732.862997][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.862997][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.862997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.862997][ T72] ip6_route_add+0x1c/0x140 [ 3732.862997][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3732.862997][ T72] addrconf_add_dev+0xe2/0x170 [ 3732.862997][ T72] inet6_addr_add+0x12f/0xa40 [ 3732.862997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.862997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.862997][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.862997][ T72] netlink_unicast+0x449/0x710 [ 3732.862997][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.862997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.862997][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.862997][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.862997][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.862997][ T72] [ 3732.864906][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3732.864906][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3732.864906][ T72] ipv6_find_idev+0x102/0x170 [ 3732.864906][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.864906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.864906][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.864906][ T72] netlink_unicast+0x449/0x710 [ 3732.864906][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.864906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.864906][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.864906][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.864906][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.864906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.864906][ T72] [ 3732.866408][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3732.866408][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3732.866408][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3732.866408][ T72] ipv6_find_idev+0x102/0x170 [ 3732.866408][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.866408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.866408][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.866408][ T72] netlink_unicast+0x449/0x710 [ 3732.866408][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.866408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.866408][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.866408][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.866408][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.866408][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.866408][ T72] [ 3732.868243][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3732.868532][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3732.868532][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3732.868532][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3732.868532][ T72] fib6_nh_init+0xa22/0x1580 [ 3732.868532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.868532][ T72] ip6_route_add+0x1c/0x140 [ 3732.868532][ T72] inet6_rtm_newroute+0x104/0x110 [ 3732.868532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.868532][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.868532][ T72] netlink_unicast+0x449/0x710 [ 3732.868532][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.868532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.868532][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.868532][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.868532][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.868532][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.868532][ T72] [ 3732.870720][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3732.870720][ T72] dst_init+0x84/0x4a0 [ 3732.870720][ T72] dst_alloc+0x97/0x150 [ 3732.870720][ T72] ip6_dst_alloc+0x23/0x90 [ 3732.870720][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3732.870720][ T72] ip6_pol_route+0x56f/0x840 [ 3732.870720][ T72] fib6_rule_lookup+0x456/0x630 [ 3732.870720][ T72] ip6_route_input+0x59c/0xa50 [ 3732.870720][ T72] ipv6_rcv+0x397/0x810 [ 3732.870720][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3732.870720][ T72] process_backlog+0x101/0x620 [ 3732.870720][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3732.870720][ T72] net_rx_action+0x495/0xbe0 [ 3732.870720][ T72] __do_softirq+0x1b5/0x7f6 [ 3732.870720][ T72] [ 3732.872552][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3732.872552][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.872552][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.872552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.872552][ T72] ip6_route_add+0x1c/0x140 [ 3732.872552][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3732.872552][ T72] inet6_addr_add+0x4f8/0xa40 [ 3732.872552][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.872552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.872552][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.872552][ T72] netlink_unicast+0x449/0x710 [ 3732.872552][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.872552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.872552][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.872552][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.872552][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.872552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.872552][ T72] [ 3732.874819][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3732.874819][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.874819][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.874819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.874819][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3732.874819][ T72] ipv6_add_addr+0x411/0x2000 [ 3732.874819][ T72] inet6_addr_add+0x30e/0xa40 [ 3732.874819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.874819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.874819][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.874819][ T72] netlink_unicast+0x449/0x710 [ 3732.874819][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.874819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.874819][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.874819][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.874819][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.874819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.874819][ T72] [ 3732.876959][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3732.876959][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.876959][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.876959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.876959][ T72] ip6_route_add+0x1c/0x140 [ 3732.876959][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3732.876959][ T72] addrconf_add_dev+0xe2/0x170 [ 3732.876959][ T72] inet6_addr_add+0x12f/0xa40 [ 3732.876959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.876959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.876959][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.876959][ T72] netlink_unicast+0x449/0x710 [ 3732.876959][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.876959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.876959][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.876959][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.876959][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.876959][ T72] [ 3732.879207][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3732.879207][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3732.879207][ T72] ipv6_find_idev+0x102/0x170 [ 3732.879207][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.879207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.879207][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.879207][ T72] netlink_unicast+0x449/0x710 [ 3732.879207][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.879207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.879207][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.879207][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.879207][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.879207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.879207][ T72] [ 3732.880935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3732.880935][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3732.880935][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3732.880935][ T72] ipv6_find_idev+0x102/0x170 [ 3732.880935][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.880935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.880935][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.880935][ T72] netlink_unicast+0x449/0x710 [ 3732.880935][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.880935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.880935][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.880935][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.880935][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.880935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.880935][ T72] [ 3732.882783][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3732.883582][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3732.883582][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.883582][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.883582][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.883582][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3732.883582][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3732.883582][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3732.883582][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3732.883582][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3732.883582][ T72] addrconf_dad_begin+0x310/0x670 [ 3732.883582][ T72] addrconf_dad_work+0x10b/0xab0 [ 3732.883582][ T72] process_one_work+0x84d/0x18a0 [ 3732.883582][ T72] worker_thread+0x587/0xd30 [ 3732.883582][ T72] kthread+0x28a/0x350 [ 3732.883582][ T72] ret_from_fork+0x31/0x70 [ 3732.883582][ T72] ret_from_fork_asm+0x1a/0x30 [ 3732.883582][ T72] [ 3732.885499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3732.885499][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.885499][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.885499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.885499][ T72] ip6_route_add+0x1c/0x140 [ 3732.885499][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3732.885499][ T72] inet6_addr_add+0x4f8/0xa40 [ 3732.885499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.885499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.885499][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.885499][ T72] netlink_unicast+0x449/0x710 [ 3732.885499][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.885499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.885499][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.885499][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.885499][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.885499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.885499][ T72] [ 3732.887491][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3732.887491][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.887491][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.887491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.887491][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3732.887491][ T72] ipv6_add_addr+0x411/0x2000 [ 3732.887491][ T72] inet6_addr_add+0x30e/0xa40 [ 3732.887491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.887491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.887491][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.887491][ T72] netlink_unicast+0x449/0x710 [ 3732.887491][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.887491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.887491][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.887491][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.887491][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.887491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.887491][ T72] [ 3732.889699][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3732.889699][ T72] netdev_get_by_index+0x5e/0x80 [ 3732.889699][ T72] fib6_nh_init+0x3d8/0x1580 [ 3732.889699][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3732.889699][ T72] ip6_route_add+0x1c/0x140 [ 3732.889699][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3732.889699][ T72] addrconf_add_dev+0xe2/0x170 [ 3732.889699][ T72] inet6_addr_add+0x12f/0xa40 [ 3732.889699][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.889699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.889699][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.889699][ T72] netlink_unicast+0x449/0x710 [ 3732.889699][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.889699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.889699][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.889699][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.889699][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.889699][ T72] [ 3732.891975][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3732.891975][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3732.891975][ T72] ipv6_find_idev+0x102/0x170 [ 3732.891975][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.891975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.891975][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.891975][ T72] netlink_unicast+0x449/0x710 [ 3732.891975][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.891975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.891975][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.891975][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.891975][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.891975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.891975][ T72] [ 3732.893686][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3732.893686][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3732.893686][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3732.893686][ T72] ipv6_find_idev+0x102/0x170 [ 3732.893686][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.893686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.893686][ T72] netlink_rcv_skb+0x130/0x360 [ 3732.893686][ T72] netlink_unicast+0x449/0x710 [ 3732.893686][ T72] netlink_sendmsg+0x723/0xbe0 [ 3732.893686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3732.893686][ T72] ___sys_sendmsg+0xee/0x170 [ 3732.893686][ T72] __sys_sendmsg+0xcd/0x170 [ 3732.893686][ T72] do_syscall_64+0xc6/0x1e0 [ 3732.893686][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.893686][ T72] [ 3743.136984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3743.137762][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3743.137762][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3743.137762][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3743.137762][ T72] fib6_nh_init+0xa22/0x1580 [ 3743.137762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.137762][ T72] ip6_route_add+0x1c/0x140 [ 3743.137762][ T72] inet6_rtm_newroute+0x104/0x110 [ 3743.137762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.137762][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.137762][ T72] netlink_unicast+0x449/0x710 [ 3743.137762][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.137762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.137762][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.137762][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.137762][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.137762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.137762][ T72] [ 3743.139603][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3743.139603][ T72] dst_init+0x84/0x4a0 [ 3743.139603][ T72] dst_alloc+0x97/0x150 [ 3743.139603][ T72] ip6_dst_alloc+0x23/0x90 [ 3743.139603][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3743.139603][ T72] ip6_pol_route+0x56f/0x840 [ 3743.139603][ T72] fib6_rule_lookup+0x456/0x630 [ 3743.139603][ T72] ip6_route_input+0x59c/0xa50 [ 3743.139603][ T72] ipv6_rcv+0x397/0x810 [ 3743.139603][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3743.139603][ T72] process_backlog+0x101/0x620 [ 3743.139603][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3743.139603][ T72] net_rx_action+0x495/0xbe0 [ 3743.139603][ T72] __do_softirq+0x1b5/0x7f6 [ 3743.139603][ T72] [ 3743.141271][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3743.141271][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.141271][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.141271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.141271][ T72] ip6_route_add+0x1c/0x140 [ 3743.141271][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3743.141271][ T72] inet6_addr_add+0x4f8/0xa40 [ 3743.141271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.141271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.141271][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.141271][ T72] netlink_unicast+0x449/0x710 [ 3743.141271][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.141271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.141271][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.141271][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.141271][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.141271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.141271][ T72] [ 3743.143314][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3743.143314][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.143314][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.143314][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.143314][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3743.143314][ T72] ipv6_add_addr+0x411/0x2000 [ 3743.143314][ T72] inet6_addr_add+0x30e/0xa40 [ 3743.143314][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.143314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.143314][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.143314][ T72] netlink_unicast+0x449/0x710 [ 3743.143314][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.143314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.143314][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.143314][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.143314][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.143314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.143314][ T72] [ 3743.145334][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3743.145334][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.145334][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.145334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.145334][ T72] ip6_route_add+0x1c/0x140 [ 3743.145334][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3743.145334][ T72] addrconf_add_dev+0xe2/0x170 [ 3743.145334][ T72] inet6_addr_add+0x12f/0xa40 [ 3743.145334][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.145334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.145334][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.145334][ T72] netlink_unicast+0x449/0x710 [ 3743.145334][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.145334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.145334][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.145334][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.145334][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.145334][ T72] [ 3743.147308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3743.147308][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3743.147308][ T72] ipv6_find_idev+0x102/0x170 [ 3743.147308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.147308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.147308][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.147308][ T72] netlink_unicast+0x449/0x710 [ 3743.147308][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.147308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.147308][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.147308][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.147308][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.147308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.147308][ T72] [ 3743.148849][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3743.148849][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3743.148849][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3743.148849][ T72] ipv6_find_idev+0x102/0x170 [ 3743.148849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.148849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.148849][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.148849][ T72] netlink_unicast+0x449/0x710 [ 3743.148849][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.148849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.148849][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.148849][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.148849][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.148849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.148849][ T72] [ 3743.150590][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3743.150873][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3743.150873][ T72] dst_init+0x84/0x4a0 [ 3743.150873][ T72] dst_alloc+0x97/0x150 [ 3743.150873][ T72] ip6_dst_alloc+0x23/0x90 [ 3743.150873][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3743.150873][ T72] ip6_pol_route+0x56f/0x840 [ 3743.150873][ T72] fib6_rule_lookup+0x456/0x630 [ 3743.150873][ T72] ip6_route_input+0x59c/0xa50 [ 3743.150873][ T72] ipv6_rcv+0x397/0x810 [ 3743.150873][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3743.150873][ T72] process_backlog+0x101/0x620 [ 3743.150873][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3743.150873][ T72] net_rx_action+0x495/0xbe0 [ 3743.150873][ T72] __do_softirq+0x1b5/0x7f6 [ 3743.150873][ T72] [ 3743.153069][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3743.153069][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.153069][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.153069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.153069][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3743.153069][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3743.153069][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3743.153069][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3743.153069][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3743.153069][ T72] addrconf_dad_begin+0x310/0x670 [ 3743.153069][ T72] addrconf_dad_work+0x10b/0xab0 [ 3743.153069][ T72] process_one_work+0x84d/0x18a0 [ 3743.153069][ T72] worker_thread+0x587/0xd30 [ 3743.153069][ T72] kthread+0x28a/0x350 [ 3743.153069][ T72] ret_from_fork+0x31/0x70 [ 3743.153069][ T72] ret_from_fork_asm+0x1a/0x30 [ 3743.153069][ T72] [ 3743.154954][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3743.154954][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.154954][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.154954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.154954][ T72] ip6_route_add+0x1c/0x140 [ 3743.154954][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3743.154954][ T72] inet6_addr_add+0x4f8/0xa40 [ 3743.154954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.154954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.154954][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.154954][ T72] netlink_unicast+0x449/0x710 [ 3743.154954][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.154954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.154954][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.154954][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.154954][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.154954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.154954][ T72] [ 3743.156949][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3743.156949][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.156949][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.156949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.156949][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3743.156949][ T72] ipv6_add_addr+0x411/0x2000 [ 3743.156949][ T72] inet6_addr_add+0x30e/0xa40 [ 3743.156949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.156949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.156949][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.156949][ T72] netlink_unicast+0x449/0x710 [ 3743.156949][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.156949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.156949][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.156949][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.156949][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.156949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.156949][ T72] [ 3743.158939][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3743.158939][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.158939][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.158939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.158939][ T72] ip6_route_add+0x1c/0x140 [ 3743.158939][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3743.158939][ T72] addrconf_add_dev+0xe2/0x170 [ 3743.158939][ T72] inet6_addr_add+0x12f/0xa40 [ 3743.158939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.158939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.158939][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.158939][ T72] netlink_unicast+0x449/0x710 [ 3743.158939][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.158939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.158939][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.158939][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.158939][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.158939][ T72] [ 3743.160910][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3743.160910][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3743.160910][ T72] ipv6_find_idev+0x102/0x170 [ 3743.160910][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.160910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.160910][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.160910][ T72] netlink_unicast+0x449/0x710 [ 3743.160910][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.160910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.160910][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.160910][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.160910][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.160910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.160910][ T72] [ 3743.162441][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3743.162441][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3743.162441][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3743.162441][ T72] ipv6_find_idev+0x102/0x170 [ 3743.162441][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.162441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.162441][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.162441][ T72] netlink_unicast+0x449/0x710 [ 3743.162441][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.162441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.162441][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.162441][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.162441][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.162441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.162441][ T72] [ 3743.164241][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3743.164516][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3743.164516][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3743.164516][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3743.164516][ T72] fib6_nh_init+0xa22/0x1580 [ 3743.164516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.164516][ T72] ip6_route_add+0x1c/0x140 [ 3743.164516][ T72] inet6_rtm_newroute+0x104/0x110 [ 3743.164516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.164516][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.164516][ T72] netlink_unicast+0x449/0x710 [ 3743.164516][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.164516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.164516][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.164516][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.164516][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.164516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.164516][ T72] [ 3743.166716][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3743.166716][ T72] dst_init+0x84/0x4a0 [ 3743.166716][ T72] dst_alloc+0x97/0x150 [ 3743.166716][ T72] ip6_dst_alloc+0x23/0x90 [ 3743.166716][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3743.166716][ T72] ip6_pol_route+0x56f/0x840 [ 3743.166716][ T72] fib6_rule_lookup+0x456/0x630 [ 3743.166716][ T72] ip6_route_input+0x59c/0xa50 [ 3743.166716][ T72] ipv6_rcv+0x397/0x810 [ 3743.166716][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3743.166716][ T72] process_backlog+0x101/0x620 [ 3743.166716][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3743.166716][ T72] net_rx_action+0x495/0xbe0 [ 3743.166716][ T72] __do_softirq+0x1b5/0x7f6 [ 3743.166716][ T72] [ 3743.168501][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3743.168501][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.168501][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.168501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.168501][ T72] ip6_route_add+0x1c/0x140 [ 3743.168501][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3743.168501][ T72] inet6_addr_add+0x4f8/0xa40 [ 3743.168501][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.168501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.168501][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.168501][ T72] netlink_unicast+0x449/0x710 [ 3743.168501][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.168501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.168501][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.168501][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.168501][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.168501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.168501][ T72] [ 3743.170762][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3743.170762][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.170762][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.170762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.170762][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3743.170762][ T72] ipv6_add_addr+0x411/0x2000 [ 3743.170762][ T72] inet6_addr_add+0x30e/0xa40 [ 3743.170762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.170762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.170762][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.170762][ T72] netlink_unicast+0x449/0x710 [ 3743.170762][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.170762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.170762][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.170762][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.170762][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.170762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.170762][ T72] [ 3743.172918][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3743.172918][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.172918][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.172918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.172918][ T72] ip6_route_add+0x1c/0x140 [ 3743.172918][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3743.172918][ T72] addrconf_add_dev+0xe2/0x170 [ 3743.172918][ T72] inet6_addr_add+0x12f/0xa40 [ 3743.172918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.172918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.172918][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.172918][ T72] netlink_unicast+0x449/0x710 [ 3743.172918][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.172918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.172918][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.172918][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.172918][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.172918][ T72] [ 3743.175199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3743.175199][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3743.175199][ T72] ipv6_find_idev+0x102/0x170 [ 3743.175199][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.175199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.175199][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.175199][ T72] netlink_unicast+0x449/0x710 [ 3743.175199][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.175199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.175199][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.175199][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.175199][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.175199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.175199][ T72] [ 3743.177278][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3743.177278][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3743.177278][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3743.177278][ T72] ipv6_find_idev+0x102/0x170 [ 3743.177278][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.177278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.177278][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.177278][ T72] netlink_unicast+0x449/0x710 [ 3743.177278][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.177278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.177278][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.177278][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.177278][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.177278][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.177278][ T72] [ 3743.179099][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3743.179436][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3743.179436][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.179436][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.179436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.179436][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3743.179436][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3743.179436][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3743.179436][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3743.179436][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3743.179436][ T72] addrconf_dad_begin+0x310/0x670 [ 3743.179436][ T72] addrconf_dad_work+0x10b/0xab0 [ 3743.179436][ T72] process_one_work+0x84d/0x18a0 [ 3743.179436][ T72] worker_thread+0x587/0xd30 [ 3743.179436][ T72] kthread+0x28a/0x350 [ 3743.179436][ T72] ret_from_fork+0x31/0x70 [ 3743.179436][ T72] ret_from_fork_asm+0x1a/0x30 [ 3743.179436][ T72] [ 3743.181485][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3743.181485][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.181485][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.181485][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.181485][ T72] ip6_route_add+0x1c/0x140 [ 3743.181485][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3743.181485][ T72] inet6_addr_add+0x4f8/0xa40 [ 3743.181485][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.181485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.181485][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.181485][ T72] netlink_unicast+0x449/0x710 [ 3743.181485][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.181485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.181485][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.181485][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.181485][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.181485][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.181485][ T72] [ 3743.183764][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3743.183764][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.183764][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.183764][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.183764][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3743.183764][ T72] ipv6_add_addr+0x411/0x2000 [ 3743.183764][ T72] inet6_addr_add+0x30e/0xa40 [ 3743.183764][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.183764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.183764][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.183764][ T72] netlink_unicast+0x449/0x710 [ 3743.183764][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.183764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.183764][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.183764][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.183764][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.183764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.183764][ T72] [ 3743.186054][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3743.186054][ T72] netdev_get_by_index+0x5e/0x80 [ 3743.186054][ T72] fib6_nh_init+0x3d8/0x1580 [ 3743.186054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3743.186054][ T72] ip6_route_add+0x1c/0x140 [ 3743.186054][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3743.186054][ T72] addrconf_add_dev+0xe2/0x170 [ 3743.186054][ T72] inet6_addr_add+0x12f/0xa40 [ 3743.186054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.186054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.186054][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.186054][ T72] netlink_unicast+0x449/0x710 [ 3743.186054][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.186054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.186054][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.186054][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.186054][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.186054][ T72] [ 3743.188263][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3743.188263][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3743.188263][ T72] ipv6_find_idev+0x102/0x170 [ 3743.188263][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.188263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.188263][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.188263][ T72] netlink_unicast+0x449/0x710 [ 3743.188263][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.188263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.188263][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.188263][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.188263][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.188263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.188263][ T72] [ 3743.189962][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3743.189962][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3743.189962][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3743.189962][ T72] ipv6_find_idev+0x102/0x170 [ 3743.189962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.189962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.189962][ T72] netlink_rcv_skb+0x130/0x360 [ 3743.189962][ T72] netlink_unicast+0x449/0x710 [ 3743.189962][ T72] netlink_sendmsg+0x723/0xbe0 [ 3743.189962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3743.189962][ T72] ___sys_sendmsg+0xee/0x170 [ 3743.189962][ T72] __sys_sendmsg+0xcd/0x170 [ 3743.189962][ T72] do_syscall_64+0xc6/0x1e0 [ 3743.189962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.189962][ T72] [ 3753.424983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3753.425762][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3753.425762][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3753.425762][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3753.425762][ T72] fib6_nh_init+0xa22/0x1580 [ 3753.425762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.425762][ T72] ip6_route_add+0x1c/0x140 [ 3753.425762][ T72] inet6_rtm_newroute+0x104/0x110 [ 3753.425762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.425762][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.425762][ T72] netlink_unicast+0x449/0x710 [ 3753.425762][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.425762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.425762][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.425762][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.425762][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.425762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.425762][ T72] [ 3753.427535][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3753.427535][ T72] dst_init+0x84/0x4a0 [ 3753.427535][ T72] dst_alloc+0x97/0x150 [ 3753.427535][ T72] ip6_dst_alloc+0x23/0x90 [ 3753.427535][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3753.427535][ T72] ip6_pol_route+0x56f/0x840 [ 3753.427535][ T72] fib6_rule_lookup+0x456/0x630 [ 3753.427535][ T72] ip6_route_input+0x59c/0xa50 [ 3753.427535][ T72] ipv6_rcv+0x397/0x810 [ 3753.427535][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3753.427535][ T72] process_backlog+0x101/0x620 [ 3753.427535][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3753.427535][ T72] net_rx_action+0x495/0xbe0 [ 3753.427535][ T72] __do_softirq+0x1b5/0x7f6 [ 3753.427535][ T72] [ 3753.429101][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3753.429101][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.429101][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.429101][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.429101][ T72] ip6_route_add+0x1c/0x140 [ 3753.429101][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3753.429101][ T72] inet6_addr_add+0x4f8/0xa40 [ 3753.429101][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.429101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.429101][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.429101][ T72] netlink_unicast+0x449/0x710 [ 3753.429101][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.429101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.429101][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.429101][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.429101][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.429101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.429101][ T72] [ 3753.431156][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3753.431156][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.431156][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.431156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.431156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3753.431156][ T72] ipv6_add_addr+0x411/0x2000 [ 3753.431156][ T72] inet6_addr_add+0x30e/0xa40 [ 3753.431156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.431156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.431156][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.431156][ T72] netlink_unicast+0x449/0x710 [ 3753.431156][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.431156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.431156][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.431156][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.431156][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.431156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.431156][ T72] [ 3753.433164][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3753.433164][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.433164][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.433164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.433164][ T72] ip6_route_add+0x1c/0x140 [ 3753.433164][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3753.433164][ T72] addrconf_add_dev+0xe2/0x170 [ 3753.433164][ T72] inet6_addr_add+0x12f/0xa40 [ 3753.433164][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.433164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.433164][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.433164][ T72] netlink_unicast+0x449/0x710 [ 3753.433164][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.433164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.433164][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.433164][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.433164][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.433164][ T72] [ 3753.435116][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3753.435116][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3753.435116][ T72] ipv6_find_idev+0x102/0x170 [ 3753.435116][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.435116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.435116][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.435116][ T72] netlink_unicast+0x449/0x710 [ 3753.435116][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.435116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.435116][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.435116][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.435116][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.435116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.435116][ T72] [ 3753.437007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3753.437007][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3753.437007][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3753.437007][ T72] ipv6_find_idev+0x102/0x170 [ 3753.437007][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.437007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.437007][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.437007][ T72] netlink_unicast+0x449/0x710 [ 3753.437007][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.437007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.437007][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.437007][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.437007][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.437007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.437007][ T72] [ 3753.438757][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3753.439059][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3753.439059][ T72] dst_init+0x84/0x4a0 [ 3753.439059][ T72] dst_alloc+0x97/0x150 [ 3753.439059][ T72] ip6_dst_alloc+0x23/0x90 [ 3753.439059][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3753.439059][ T72] ip6_pol_route+0x56f/0x840 [ 3753.439059][ T72] fib6_rule_lookup+0x456/0x630 [ 3753.439059][ T72] ip6_route_input+0x59c/0xa50 [ 3753.439059][ T72] ipv6_rcv+0x397/0x810 [ 3753.439059][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3753.439059][ T72] process_backlog+0x101/0x620 [ 3753.439059][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3753.439059][ T72] net_rx_action+0x495/0xbe0 [ 3753.439059][ T72] __do_softirq+0x1b5/0x7f6 [ 3753.439059][ T72] [ 3753.440711][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3753.440711][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.440711][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.440711][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.440711][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3753.440711][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3753.440711][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3753.440711][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3753.440711][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3753.440711][ T72] addrconf_dad_begin+0x310/0x670 [ 3753.440711][ T72] addrconf_dad_work+0x10b/0xab0 [ 3753.440711][ T72] process_one_work+0x84d/0x18a0 [ 3753.440711][ T72] worker_thread+0x587/0xd30 [ 3753.440711][ T72] kthread+0x28a/0x350 [ 3753.440711][ T72] ret_from_fork+0x31/0x70 [ 3753.440711][ T72] ret_from_fork_asm+0x1a/0x30 [ 3753.440711][ T72] [ 3753.442626][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3753.442626][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.442626][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.442626][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.442626][ T72] ip6_route_add+0x1c/0x140 [ 3753.442626][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3753.442626][ T72] inet6_addr_add+0x4f8/0xa40 [ 3753.442626][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.442626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.442626][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.442626][ T72] netlink_unicast+0x449/0x710 [ 3753.442626][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.442626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.442626][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.442626][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.442626][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.442626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.442626][ T72] [ 3753.444661][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3753.444661][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.444661][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.444661][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.444661][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3753.444661][ T72] ipv6_add_addr+0x411/0x2000 [ 3753.444661][ T72] inet6_addr_add+0x30e/0xa40 [ 3753.444661][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.444661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.444661][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.444661][ T72] netlink_unicast+0x449/0x710 [ 3753.444661][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.444661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.444661][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.444661][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.444661][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.444661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.444661][ T72] [ 3753.446607][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3753.446607][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.446607][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.446607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.446607][ T72] ip6_route_add+0x1c/0x140 [ 3753.446607][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3753.446607][ T72] addrconf_add_dev+0xe2/0x170 [ 3753.446607][ T72] inet6_addr_add+0x12f/0xa40 [ 3753.446607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.446607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.446607][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.446607][ T72] netlink_unicast+0x449/0x710 [ 3753.446607][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.446607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.446607][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.446607][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.446607][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.446607][ T72] [ 3753.448522][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3753.448522][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3753.448522][ T72] ipv6_find_idev+0x102/0x170 [ 3753.448522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.448522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.448522][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.448522][ T72] netlink_unicast+0x449/0x710 [ 3753.448522][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.448522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.448522][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.448522][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.448522][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.448522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.448522][ T72] [ 3753.450064][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3753.450064][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3753.450064][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3753.450064][ T72] ipv6_find_idev+0x102/0x170 [ 3753.450064][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.450064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.450064][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.450064][ T72] netlink_unicast+0x449/0x710 [ 3753.450064][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.450064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.450064][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.450064][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.450064][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.450064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.450064][ T72] [ 3753.451878][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3753.452160][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3753.452160][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3753.452160][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3753.452160][ T72] fib6_nh_init+0xa22/0x1580 [ 3753.452160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.452160][ T72] ip6_route_add+0x1c/0x140 [ 3753.452160][ T72] inet6_rtm_newroute+0x104/0x110 [ 3753.452160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.452160][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.452160][ T72] netlink_unicast+0x449/0x710 [ 3753.452160][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.452160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.452160][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.452160][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.452160][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.452160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.452160][ T72] [ 3753.454352][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3753.454352][ T72] dst_init+0x84/0x4a0 [ 3753.454352][ T72] dst_alloc+0x97/0x150 [ 3753.454352][ T72] ip6_dst_alloc+0x23/0x90 [ 3753.454352][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3753.454352][ T72] ip6_pol_route+0x56f/0x840 [ 3753.454352][ T72] fib6_rule_lookup+0x456/0x630 [ 3753.454352][ T72] ip6_route_input+0x59c/0xa50 [ 3753.454352][ T72] ipv6_rcv+0x397/0x810 [ 3753.454352][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3753.454352][ T72] process_backlog+0x101/0x620 [ 3753.454352][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3753.454352][ T72] net_rx_action+0x495/0xbe0 [ 3753.454352][ T72] __do_softirq+0x1b5/0x7f6 [ 3753.454352][ T72] [ 3753.456126][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3753.456126][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.456126][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.456126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.456126][ T72] ip6_route_add+0x1c/0x140 [ 3753.456126][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3753.456126][ T72] inet6_addr_add+0x4f8/0xa40 [ 3753.456126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.456126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.456126][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.456126][ T72] netlink_unicast+0x449/0x710 [ 3753.456126][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.456126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.456126][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.456126][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.456126][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.456126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.456126][ T72] [ 3753.458368][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3753.458368][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.458368][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.458368][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.458368][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3753.458368][ T72] ipv6_add_addr+0x411/0x2000 [ 3753.458368][ T72] inet6_addr_add+0x30e/0xa40 [ 3753.458368][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.458368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.458368][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.458368][ T72] netlink_unicast+0x449/0x710 [ 3753.458368][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.458368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.458368][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.458368][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.458368][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.458368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.458368][ T72] [ 3753.460548][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3753.460548][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.460548][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.460548][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.460548][ T72] ip6_route_add+0x1c/0x140 [ 3753.460548][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3753.460548][ T72] addrconf_add_dev+0xe2/0x170 [ 3753.460548][ T72] inet6_addr_add+0x12f/0xa40 [ 3753.460548][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.460548][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.460548][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.460548][ T72] netlink_unicast+0x449/0x710 [ 3753.460548][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.460548][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.460548][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.460548][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.460548][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.460548][ T72] [ 3753.462815][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3753.462815][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3753.462815][ T72] ipv6_find_idev+0x102/0x170 [ 3753.462815][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.462815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.462815][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.462815][ T72] netlink_unicast+0x449/0x710 [ 3753.462815][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.462815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.462815][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.462815][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.462815][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.462815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.462815][ T72] [ 3753.464554][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3753.464554][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3753.464554][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3753.464554][ T72] ipv6_find_idev+0x102/0x170 [ 3753.464554][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.464554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.464554][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.464554][ T72] netlink_unicast+0x449/0x710 [ 3753.464554][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.464554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.464554][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.464554][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.464554][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.464554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.464554][ T72] [ 3753.466434][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3753.466777][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3753.466777][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.466777][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.466777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.466777][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3753.466777][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3753.466777][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3753.466777][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3753.466777][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3753.466777][ T72] addrconf_dad_begin+0x310/0x670 [ 3753.466777][ T72] addrconf_dad_work+0x10b/0xab0 [ 3753.466777][ T72] process_one_work+0x84d/0x18a0 [ 3753.466777][ T72] worker_thread+0x587/0xd30 [ 3753.466777][ T72] kthread+0x28a/0x350 [ 3753.466777][ T72] ret_from_fork+0x31/0x70 [ 3753.466777][ T72] ret_from_fork_asm+0x1a/0x30 [ 3753.466777][ T72] [ 3753.468801][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3753.468801][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.468801][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.468801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.468801][ T72] ip6_route_add+0x1c/0x140 [ 3753.468801][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3753.468801][ T72] inet6_addr_add+0x4f8/0xa40 [ 3753.468801][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.468801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.468801][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.468801][ T72] netlink_unicast+0x449/0x710 [ 3753.468801][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.468801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.468801][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.468801][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.468801][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.468801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.468801][ T72] [ 3753.471019][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3753.471019][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.471019][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.471019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.471019][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3753.471019][ T72] ipv6_add_addr+0x411/0x2000 [ 3753.471019][ T72] inet6_addr_add+0x30e/0xa40 [ 3753.471019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.471019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.471019][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.471019][ T72] netlink_unicast+0x449/0x710 [ 3753.471019][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.471019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.471019][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.471019][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.471019][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.471019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.471019][ T72] [ 3753.473314][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3753.473314][ T72] netdev_get_by_index+0x5e/0x80 [ 3753.473314][ T72] fib6_nh_init+0x3d8/0x1580 [ 3753.473314][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3753.473314][ T72] ip6_route_add+0x1c/0x140 [ 3753.473314][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3753.473314][ T72] addrconf_add_dev+0xe2/0x170 [ 3753.473314][ T72] inet6_addr_add+0x12f/0xa40 [ 3753.473314][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.473314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.473314][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.473314][ T72] netlink_unicast+0x449/0x710 [ 3753.473314][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.473314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.473314][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.473314][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.473314][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.473314][ T72] [ 3753.475527][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3753.475527][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3753.475527][ T72] ipv6_find_idev+0x102/0x170 [ 3753.475527][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.475527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.475527][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.475527][ T72] netlink_unicast+0x449/0x710 [ 3753.475527][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.475527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.475527][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.475527][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.475527][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.475527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.475527][ T72] [ 3753.477224][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3753.477224][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3753.477224][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3753.477224][ T72] ipv6_find_idev+0x102/0x170 [ 3753.477224][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.477224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.477224][ T72] netlink_rcv_skb+0x130/0x360 [ 3753.477224][ T72] netlink_unicast+0x449/0x710 [ 3753.477224][ T72] netlink_sendmsg+0x723/0xbe0 [ 3753.477224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3753.477224][ T72] ___sys_sendmsg+0xee/0x170 [ 3753.477224][ T72] __sys_sendmsg+0xcd/0x170 [ 3753.477224][ T72] do_syscall_64+0xc6/0x1e0 [ 3753.477224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.477224][ T72] [ 3763.728914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3763.729415][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3763.729415][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3763.729415][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3763.729415][ T72] fib6_nh_init+0xa22/0x1580 [ 3763.729415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.729415][ T72] ip6_route_add+0x1c/0x140 [ 3763.729415][ T72] inet6_rtm_newroute+0x104/0x110 [ 3763.729415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.729415][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.729415][ T72] netlink_unicast+0x449/0x710 [ 3763.729415][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.729415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.729415][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.729415][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.729415][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.729415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.729415][ T72] [ 3763.731294][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3763.731294][ T72] dst_init+0x84/0x4a0 [ 3763.731294][ T72] dst_alloc+0x97/0x150 [ 3763.731294][ T72] ip6_dst_alloc+0x23/0x90 [ 3763.731294][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3763.731294][ T72] ip6_pol_route+0x56f/0x840 [ 3763.731294][ T72] fib6_rule_lookup+0x456/0x630 [ 3763.731294][ T72] ip6_route_input+0x59c/0xa50 [ 3763.731294][ T72] ipv6_rcv+0x397/0x810 [ 3763.731294][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3763.731294][ T72] process_backlog+0x101/0x620 [ 3763.731294][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3763.731294][ T72] net_rx_action+0x495/0xbe0 [ 3763.731294][ T72] __do_softirq+0x1b5/0x7f6 [ 3763.731294][ T72] [ 3763.732896][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3763.732896][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.732896][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.732896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.732896][ T72] ip6_route_add+0x1c/0x140 [ 3763.732896][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3763.732896][ T72] inet6_addr_add+0x4f8/0xa40 [ 3763.732896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.732896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.732896][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.732896][ T72] netlink_unicast+0x449/0x710 [ 3763.732896][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.732896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.732896][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.732896][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.732896][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.732896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.732896][ T72] [ 3763.734907][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3763.734907][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.734907][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.734907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.734907][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3763.734907][ T72] ipv6_add_addr+0x411/0x2000 [ 3763.734907][ T72] inet6_addr_add+0x30e/0xa40 [ 3763.734907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.734907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.734907][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.734907][ T72] netlink_unicast+0x449/0x710 [ 3763.734907][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.734907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.734907][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.734907][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.734907][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.734907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.734907][ T72] [ 3763.736927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3763.736927][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.736927][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.736927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.736927][ T72] ip6_route_add+0x1c/0x140 [ 3763.736927][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3763.736927][ T72] addrconf_add_dev+0xe2/0x170 [ 3763.736927][ T72] inet6_addr_add+0x12f/0xa40 [ 3763.736927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.736927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.736927][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.736927][ T72] netlink_unicast+0x449/0x710 [ 3763.736927][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.736927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.736927][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.736927][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.736927][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.736927][ T72] [ 3763.738845][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3763.738845][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3763.738845][ T72] ipv6_find_idev+0x102/0x170 [ 3763.738845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.738845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.738845][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.738845][ T72] netlink_unicast+0x449/0x710 [ 3763.738845][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.738845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.738845][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.738845][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.738845][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.738845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.738845][ T72] [ 3763.740352][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3763.740352][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3763.740352][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3763.740352][ T72] ipv6_find_idev+0x102/0x170 [ 3763.740352][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.740352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.740352][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.740352][ T72] netlink_unicast+0x449/0x710 [ 3763.740352][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.740352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.740352][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.740352][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.740352][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.740352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.740352][ T72] [ 3763.742015][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3763.742313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3763.742313][ T72] dst_init+0x84/0x4a0 [ 3763.742313][ T72] dst_alloc+0x97/0x150 [ 3763.742313][ T72] ip6_dst_alloc+0x23/0x90 [ 3763.742313][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3763.742313][ T72] ip6_pol_route+0x56f/0x840 [ 3763.742313][ T72] fib6_rule_lookup+0x456/0x630 [ 3763.742313][ T72] ip6_route_input+0x59c/0xa50 [ 3763.742313][ T72] ipv6_rcv+0x397/0x810 [ 3763.742313][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3763.742313][ T72] process_backlog+0x101/0x620 [ 3763.742313][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3763.742313][ T72] net_rx_action+0x495/0xbe0 [ 3763.742313][ T72] __do_softirq+0x1b5/0x7f6 [ 3763.742313][ T72] [ 3763.743962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3763.743962][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.743962][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.743962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.743962][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3763.743962][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3763.743962][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3763.743962][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3763.743962][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3763.743962][ T72] addrconf_dad_begin+0x310/0x670 [ 3763.743962][ T72] addrconf_dad_work+0x10b/0xab0 [ 3763.743962][ T72] process_one_work+0x84d/0x18a0 [ 3763.743962][ T72] worker_thread+0x587/0xd30 [ 3763.743962][ T72] kthread+0x28a/0x350 [ 3763.743962][ T72] ret_from_fork+0x31/0x70 [ 3763.743962][ T72] ret_from_fork_asm+0x1a/0x30 [ 3763.743962][ T72] [ 3763.745862][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3763.745862][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.745862][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.745862][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.745862][ T72] ip6_route_add+0x1c/0x140 [ 3763.745862][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3763.745862][ T72] inet6_addr_add+0x4f8/0xa40 [ 3763.745862][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.745862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.745862][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.745862][ T72] netlink_unicast+0x449/0x710 [ 3763.745862][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.745862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.745862][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.745862][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.745862][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.745862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.745862][ T72] [ 3763.747805][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3763.747805][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.747805][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.747805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.747805][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3763.747805][ T72] ipv6_add_addr+0x411/0x2000 [ 3763.747805][ T72] inet6_addr_add+0x30e/0xa40 [ 3763.747805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.747805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.747805][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.747805][ T72] netlink_unicast+0x449/0x710 [ 3763.747805][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.747805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.747805][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.747805][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.747805][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.747805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.747805][ T72] [ 3763.749776][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3763.749776][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.749776][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.749776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.749776][ T72] ip6_route_add+0x1c/0x140 [ 3763.749776][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3763.749776][ T72] addrconf_add_dev+0xe2/0x170 [ 3763.749776][ T72] inet6_addr_add+0x12f/0xa40 [ 3763.749776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.749776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.749776][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.749776][ T72] netlink_unicast+0x449/0x710 [ 3763.749776][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.749776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.749776][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.749776][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.749776][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.749776][ T72] [ 3763.751862][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3763.751862][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3763.751862][ T72] ipv6_find_idev+0x102/0x170 [ 3763.751862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.751862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.751862][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.751862][ T72] netlink_unicast+0x449/0x710 [ 3763.751862][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.751862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.751862][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.751862][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.751862][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.751862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.751862][ T72] [ 3763.753408][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3763.753408][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3763.753408][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3763.753408][ T72] ipv6_find_idev+0x102/0x170 [ 3763.753408][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.753408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.753408][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.753408][ T72] netlink_unicast+0x449/0x710 [ 3763.753408][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.753408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.753408][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.753408][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.753408][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.753408][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.753408][ T72] [ 3763.755214][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3763.755490][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3763.755490][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3763.755490][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3763.755490][ T72] fib6_nh_init+0xa22/0x1580 [ 3763.755490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.755490][ T72] ip6_route_add+0x1c/0x140 [ 3763.755490][ T72] inet6_rtm_newroute+0x104/0x110 [ 3763.755490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.755490][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.755490][ T72] netlink_unicast+0x449/0x710 [ 3763.755490][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.755490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.755490][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.755490][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.755490][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.755490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.755490][ T72] [ 3763.757685][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3763.757685][ T72] dst_init+0x84/0x4a0 [ 3763.757685][ T72] dst_alloc+0x97/0x150 [ 3763.757685][ T72] ip6_dst_alloc+0x23/0x90 [ 3763.757685][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3763.757685][ T72] ip6_pol_route+0x56f/0x840 [ 3763.757685][ T72] fib6_rule_lookup+0x456/0x630 [ 3763.757685][ T72] ip6_route_input+0x59c/0xa50 [ 3763.757685][ T72] ipv6_rcv+0x397/0x810 [ 3763.757685][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3763.757685][ T72] process_backlog+0x101/0x620 [ 3763.757685][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3763.757685][ T72] net_rx_action+0x495/0xbe0 [ 3763.757685][ T72] __do_softirq+0x1b5/0x7f6 [ 3763.757685][ T72] [ 3763.759507][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3763.759507][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.759507][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.759507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.759507][ T72] ip6_route_add+0x1c/0x140 [ 3763.759507][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3763.759507][ T72] inet6_addr_add+0x4f8/0xa40 [ 3763.759507][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.759507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.759507][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.759507][ T72] netlink_unicast+0x449/0x710 [ 3763.759507][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.759507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.759507][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.759507][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.759507][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.759507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.759507][ T72] [ 3763.761764][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3763.761764][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.761764][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.761764][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.761764][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3763.761764][ T72] ipv6_add_addr+0x411/0x2000 [ 3763.761764][ T72] inet6_addr_add+0x30e/0xa40 [ 3763.761764][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.761764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.761764][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.761764][ T72] netlink_unicast+0x449/0x710 [ 3763.761764][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.761764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.761764][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.761764][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.761764][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.761764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.761764][ T72] [ 3763.763935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3763.763935][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.763935][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.763935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.763935][ T72] ip6_route_add+0x1c/0x140 [ 3763.763935][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3763.763935][ T72] addrconf_add_dev+0xe2/0x170 [ 3763.763935][ T72] inet6_addr_add+0x12f/0xa40 [ 3763.763935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.763935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.763935][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.763935][ T72] netlink_unicast+0x449/0x710 [ 3763.763935][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.763935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.763935][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.763935][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.763935][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.763935][ T72] [ 3763.766208][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3763.766208][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3763.766208][ T72] ipv6_find_idev+0x102/0x170 [ 3763.766208][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.766208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.766208][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.766208][ T72] netlink_unicast+0x449/0x710 [ 3763.766208][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.766208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.766208][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.766208][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.766208][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.766208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.766208][ T72] [ 3763.767911][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3763.767911][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3763.767911][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3763.767911][ T72] ipv6_find_idev+0x102/0x170 [ 3763.767911][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.767911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.767911][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.767911][ T72] netlink_unicast+0x449/0x710 [ 3763.767911][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.767911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.767911][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.767911][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.767911][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.767911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.767911][ T72] [ 3763.769797][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3763.770154][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3763.770154][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.770154][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.770154][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.770154][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3763.770154][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3763.770154][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3763.770154][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3763.770154][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3763.770154][ T72] addrconf_dad_begin+0x310/0x670 [ 3763.770154][ T72] addrconf_dad_work+0x10b/0xab0 [ 3763.770154][ T72] process_one_work+0x84d/0x18a0 [ 3763.770154][ T72] worker_thread+0x587/0xd30 [ 3763.770154][ T72] kthread+0x28a/0x350 [ 3763.770154][ T72] ret_from_fork+0x31/0x70 [ 3763.770154][ T72] ret_from_fork_asm+0x1a/0x30 [ 3763.770154][ T72] [ 3763.772197][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3763.772197][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.772197][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.772197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.772197][ T72] ip6_route_add+0x1c/0x140 [ 3763.772197][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3763.772197][ T72] inet6_addr_add+0x4f8/0xa40 [ 3763.772197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.772197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.772197][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.772197][ T72] netlink_unicast+0x449/0x710 [ 3763.772197][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.772197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.772197][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.772197][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.772197][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.772197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.772197][ T72] [ 3763.774421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3763.774421][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.774421][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.774421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.774421][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3763.774421][ T72] ipv6_add_addr+0x411/0x2000 [ 3763.774421][ T72] inet6_addr_add+0x30e/0xa40 [ 3763.774421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.774421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.774421][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.774421][ T72] netlink_unicast+0x449/0x710 [ 3763.774421][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.774421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.774421][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.774421][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.774421][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.774421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.774421][ T72] [ 3763.776715][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3763.776715][ T72] netdev_get_by_index+0x5e/0x80 [ 3763.776715][ T72] fib6_nh_init+0x3d8/0x1580 [ 3763.776715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3763.776715][ T72] ip6_route_add+0x1c/0x140 [ 3763.776715][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3763.776715][ T72] addrconf_add_dev+0xe2/0x170 [ 3763.776715][ T72] inet6_addr_add+0x12f/0xa40 [ 3763.776715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.776715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.776715][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.776715][ T72] netlink_unicast+0x449/0x710 [ 3763.776715][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.776715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.776715][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.776715][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.776715][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.776715][ T72] [ 3763.778890][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3763.778890][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3763.778890][ T72] ipv6_find_idev+0x102/0x170 [ 3763.778890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.778890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.778890][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.778890][ T72] netlink_unicast+0x449/0x710 [ 3763.778890][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.778890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.778890][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.778890][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.778890][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.778890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.778890][ T72] [ 3763.780633][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3763.780633][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3763.780633][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3763.780633][ T72] ipv6_find_idev+0x102/0x170 [ 3763.780633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.780633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.780633][ T72] netlink_rcv_skb+0x130/0x360 [ 3763.780633][ T72] netlink_unicast+0x449/0x710 [ 3763.780633][ T72] netlink_sendmsg+0x723/0xbe0 [ 3763.780633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3763.780633][ T72] ___sys_sendmsg+0xee/0x170 [ 3763.780633][ T72] __sys_sendmsg+0xcd/0x170 [ 3763.780633][ T72] do_syscall_64+0xc6/0x1e0 [ 3763.780633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.780633][ T72] [ 3773.808984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3773.809664][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3773.809664][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3773.809664][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3773.809664][ T72] fib6_nh_init+0xa22/0x1580 [ 3773.809664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.809664][ T72] ip6_route_add+0x1c/0x140 [ 3773.809664][ T72] inet6_rtm_newroute+0x104/0x110 [ 3773.809664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.809664][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.809664][ T72] netlink_unicast+0x449/0x710 [ 3773.809664][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.809664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.809664][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.809664][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.809664][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.809664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.809664][ T72] [ 3773.811559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3773.811559][ T72] dst_init+0x84/0x4a0 [ 3773.811559][ T72] dst_alloc+0x97/0x150 [ 3773.811559][ T72] ip6_dst_alloc+0x23/0x90 [ 3773.811559][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3773.811559][ T72] ip6_pol_route+0x56f/0x840 [ 3773.811559][ T72] fib6_rule_lookup+0x456/0x630 [ 3773.811559][ T72] ip6_route_input+0x59c/0xa50 [ 3773.811559][ T72] ipv6_rcv+0x397/0x810 [ 3773.811559][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3773.811559][ T72] process_backlog+0x101/0x620 [ 3773.811559][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3773.811559][ T72] net_rx_action+0x495/0xbe0 [ 3773.811559][ T72] __do_softirq+0x1b5/0x7f6 [ 3773.811559][ T72] [ 3773.813173][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3773.813173][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.813173][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.813173][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.813173][ T72] ip6_route_add+0x1c/0x140 [ 3773.813173][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3773.813173][ T72] inet6_addr_add+0x4f8/0xa40 [ 3773.813173][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.813173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.813173][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.813173][ T72] netlink_unicast+0x449/0x710 [ 3773.813173][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.813173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.813173][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.813173][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.813173][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.813173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.813173][ T72] [ 3773.815151][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3773.815151][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.815151][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.815151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.815151][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3773.815151][ T72] ipv6_add_addr+0x411/0x2000 [ 3773.815151][ T72] inet6_addr_add+0x30e/0xa40 [ 3773.815151][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.815151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.815151][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.815151][ T72] netlink_unicast+0x449/0x710 [ 3773.815151][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.815151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.815151][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.815151][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.815151][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.815151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.815151][ T72] [ 3773.817148][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3773.817148][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.817148][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.817148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.817148][ T72] ip6_route_add+0x1c/0x140 [ 3773.817148][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3773.817148][ T72] addrconf_add_dev+0xe2/0x170 [ 3773.817148][ T72] inet6_addr_add+0x12f/0xa40 [ 3773.817148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.817148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.817148][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.817148][ T72] netlink_unicast+0x449/0x710 [ 3773.817148][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.817148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.817148][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.817148][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.817148][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.817148][ T72] [ 3773.819066][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3773.819066][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3773.819066][ T72] ipv6_find_idev+0x102/0x170 [ 3773.819066][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.819066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.819066][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.819066][ T72] netlink_unicast+0x449/0x710 [ 3773.819066][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.819066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.819066][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.819066][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.819066][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.819066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.819066][ T72] [ 3773.820577][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3773.820577][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3773.820577][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3773.820577][ T72] ipv6_find_idev+0x102/0x170 [ 3773.820577][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.820577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.820577][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.820577][ T72] netlink_unicast+0x449/0x710 [ 3773.820577][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.820577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.820577][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.820577][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.820577][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.820577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.820577][ T72] [ 3773.822253][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3773.822546][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3773.822546][ T72] dst_init+0x84/0x4a0 [ 3773.822546][ T72] dst_alloc+0x97/0x150 [ 3773.822546][ T72] ip6_dst_alloc+0x23/0x90 [ 3773.822546][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3773.822546][ T72] ip6_pol_route+0x56f/0x840 [ 3773.822546][ T72] fib6_rule_lookup+0x456/0x630 [ 3773.822546][ T72] ip6_route_input+0x59c/0xa50 [ 3773.822546][ T72] ipv6_rcv+0x397/0x810 [ 3773.822546][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3773.822546][ T72] process_backlog+0x101/0x620 [ 3773.822546][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3773.822546][ T72] net_rx_action+0x495/0xbe0 [ 3773.822546][ T72] __do_softirq+0x1b5/0x7f6 [ 3773.822546][ T72] [ 3773.824195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3773.824195][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.824195][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.824195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.824195][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3773.824195][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3773.824195][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3773.824195][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3773.824195][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3773.824195][ T72] addrconf_dad_begin+0x310/0x670 [ 3773.824195][ T72] addrconf_dad_work+0x10b/0xab0 [ 3773.824195][ T72] process_one_work+0x84d/0x18a0 [ 3773.824195][ T72] worker_thread+0x587/0xd30 [ 3773.824195][ T72] kthread+0x28a/0x350 [ 3773.824195][ T72] ret_from_fork+0x31/0x70 [ 3773.824195][ T72] ret_from_fork_asm+0x1a/0x30 [ 3773.824195][ T72] [ 3773.826113][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3773.826113][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.826113][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.826113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.826113][ T72] ip6_route_add+0x1c/0x140 [ 3773.826113][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3773.826113][ T72] inet6_addr_add+0x4f8/0xa40 [ 3773.826113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.826113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.826113][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.826113][ T72] netlink_unicast+0x449/0x710 [ 3773.826113][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.826113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.826113][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.826113][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.826113][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.826113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.826113][ T72] [ 3773.828108][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3773.828108][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.828108][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.828108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.828108][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3773.828108][ T72] ipv6_add_addr+0x411/0x2000 [ 3773.828108][ T72] inet6_addr_add+0x30e/0xa40 [ 3773.828108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.828108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.828108][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.828108][ T72] netlink_unicast+0x449/0x710 [ 3773.828108][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.828108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.828108][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.828108][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.828108][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.828108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.828108][ T72] [ 3773.830115][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3773.830115][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.830115][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.830115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.830115][ T72] ip6_route_add+0x1c/0x140 [ 3773.830115][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3773.830115][ T72] addrconf_add_dev+0xe2/0x170 [ 3773.830115][ T72] inet6_addr_add+0x12f/0xa40 [ 3773.830115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.830115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.830115][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.830115][ T72] netlink_unicast+0x449/0x710 [ 3773.830115][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.830115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.830115][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.830115][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.830115][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.830115][ T72] [ 3773.832088][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3773.832088][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3773.832088][ T72] ipv6_find_idev+0x102/0x170 [ 3773.832088][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.832088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.832088][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.832088][ T72] netlink_unicast+0x449/0x710 [ 3773.832088][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.832088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.832088][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.832088][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.832088][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.832088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.832088][ T72] [ 3773.833589][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3773.833589][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3773.833589][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3773.833589][ T72] ipv6_find_idev+0x102/0x170 [ 3773.833589][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.833589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.833589][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.833589][ T72] netlink_unicast+0x449/0x710 [ 3773.833589][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.833589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.833589][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.833589][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.833589][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.833589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.833589][ T72] [ 3773.835379][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3773.835648][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3773.835648][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3773.835648][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3773.835648][ T72] fib6_nh_init+0xa22/0x1580 [ 3773.835648][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.835648][ T72] ip6_route_add+0x1c/0x140 [ 3773.835648][ T72] inet6_rtm_newroute+0x104/0x110 [ 3773.835648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.835648][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.835648][ T72] netlink_unicast+0x449/0x710 [ 3773.835648][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.835648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.835648][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.835648][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.835648][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.835648][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.835648][ T72] [ 3773.837862][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3773.837862][ T72] dst_init+0x84/0x4a0 [ 3773.837862][ T72] dst_alloc+0x97/0x150 [ 3773.837862][ T72] ip6_dst_alloc+0x23/0x90 [ 3773.837862][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3773.837862][ T72] ip6_pol_route+0x56f/0x840 [ 3773.837862][ T72] fib6_rule_lookup+0x456/0x630 [ 3773.837862][ T72] ip6_route_input+0x59c/0xa50 [ 3773.837862][ T72] ipv6_rcv+0x397/0x810 [ 3773.837862][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3773.837862][ T72] process_backlog+0x101/0x620 [ 3773.837862][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3773.837862][ T72] net_rx_action+0x495/0xbe0 [ 3773.837862][ T72] __do_softirq+0x1b5/0x7f6 [ 3773.837862][ T72] [ 3773.839695][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3773.839695][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.839695][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.839695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.839695][ T72] ip6_route_add+0x1c/0x140 [ 3773.839695][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3773.839695][ T72] inet6_addr_add+0x4f8/0xa40 [ 3773.839695][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.839695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.839695][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.839695][ T72] netlink_unicast+0x449/0x710 [ 3773.839695][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.839695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.839695][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.839695][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.839695][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.839695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.839695][ T72] [ 3773.841966][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3773.841966][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.841966][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.841966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.841966][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3773.841966][ T72] ipv6_add_addr+0x411/0x2000 [ 3773.841966][ T72] inet6_addr_add+0x30e/0xa40 [ 3773.841966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.841966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.841966][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.841966][ T72] netlink_unicast+0x449/0x710 [ 3773.841966][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.841966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.841966][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.841966][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.841966][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.841966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.841966][ T72] [ 3773.844127][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3773.844127][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.844127][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.844127][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.844127][ T72] ip6_route_add+0x1c/0x140 [ 3773.844127][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3773.844127][ T72] addrconf_add_dev+0xe2/0x170 [ 3773.844127][ T72] inet6_addr_add+0x12f/0xa40 [ 3773.844127][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.844127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.844127][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.844127][ T72] netlink_unicast+0x449/0x710 [ 3773.844127][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.844127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.844127][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.844127][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.844127][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.844127][ T72] [ 3773.846379][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3773.846379][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3773.846379][ T72] ipv6_find_idev+0x102/0x170 [ 3773.846379][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.846379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.846379][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.846379][ T72] netlink_unicast+0x449/0x710 [ 3773.846379][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.846379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.846379][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.846379][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.846379][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.846379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.846379][ T72] [ 3773.848077][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3773.848077][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3773.848077][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3773.848077][ T72] ipv6_find_idev+0x102/0x170 [ 3773.848077][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.848077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.848077][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.848077][ T72] netlink_unicast+0x449/0x710 [ 3773.848077][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.848077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.848077][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.848077][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.848077][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.848077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.848077][ T72] [ 3773.849949][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3773.850320][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3773.850320][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.850320][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.850320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.850320][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3773.850320][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3773.850320][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3773.850320][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3773.850320][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3773.850320][ T72] addrconf_dad_begin+0x310/0x670 [ 3773.850320][ T72] addrconf_dad_work+0x10b/0xab0 [ 3773.850320][ T72] process_one_work+0x84d/0x18a0 [ 3773.850320][ T72] worker_thread+0x587/0xd30 [ 3773.850320][ T72] kthread+0x28a/0x350 [ 3773.850320][ T72] ret_from_fork+0x31/0x70 [ 3773.850320][ T72] ret_from_fork_asm+0x1a/0x30 [ 3773.850320][ T72] [ 3773.852357][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3773.852357][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.852357][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.852357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.852357][ T72] ip6_route_add+0x1c/0x140 [ 3773.852357][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3773.852357][ T72] inet6_addr_add+0x4f8/0xa40 [ 3773.852357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.852357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.852357][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.852357][ T72] netlink_unicast+0x449/0x710 [ 3773.852357][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.852357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.852357][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.852357][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.852357][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.852357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.852357][ T72] [ 3773.854620][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3773.854620][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.854620][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.854620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.854620][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3773.854620][ T72] ipv6_add_addr+0x411/0x2000 [ 3773.854620][ T72] inet6_addr_add+0x30e/0xa40 [ 3773.854620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.854620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.854620][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.854620][ T72] netlink_unicast+0x449/0x710 [ 3773.854620][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.854620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.854620][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.854620][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.854620][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.854620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.854620][ T72] [ 3773.856922][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3773.856922][ T72] netdev_get_by_index+0x5e/0x80 [ 3773.856922][ T72] fib6_nh_init+0x3d8/0x1580 [ 3773.856922][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3773.856922][ T72] ip6_route_add+0x1c/0x140 [ 3773.856922][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3773.856922][ T72] addrconf_add_dev+0xe2/0x170 [ 3773.856922][ T72] inet6_addr_add+0x12f/0xa40 [ 3773.856922][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.856922][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.856922][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.856922][ T72] netlink_unicast+0x449/0x710 [ 3773.856922][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.856922][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.856922][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.856922][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.856922][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.856922][ T72] [ 3773.859127][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3773.859127][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3773.859127][ T72] ipv6_find_idev+0x102/0x170 [ 3773.859127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.859127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.859127][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.859127][ T72] netlink_unicast+0x449/0x710 [ 3773.859127][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.859127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.859127][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.859127][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.859127][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.859127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.859127][ T72] [ 3773.860854][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3773.860854][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3773.860854][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3773.860854][ T72] ipv6_find_idev+0x102/0x170 [ 3773.860854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.860854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.860854][ T72] netlink_rcv_skb+0x130/0x360 [ 3773.860854][ T72] netlink_unicast+0x449/0x710 [ 3773.860854][ T72] netlink_sendmsg+0x723/0xbe0 [ 3773.860854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3773.860854][ T72] ___sys_sendmsg+0xee/0x170 [ 3773.860854][ T72] __sys_sendmsg+0xcd/0x170 [ 3773.860854][ T72] do_syscall_64+0xc6/0x1e0 [ 3773.860854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.860854][ T72] [ 3784.097019][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3784.097858][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3784.097858][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3784.097858][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3784.097858][ T72] fib6_nh_init+0xa22/0x1580 [ 3784.097858][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.097858][ T72] ip6_route_add+0x1c/0x140 [ 3784.097858][ T72] inet6_rtm_newroute+0x104/0x110 [ 3784.097858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.097858][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.097858][ T72] netlink_unicast+0x449/0x710 [ 3784.097858][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.097858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.097858][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.097858][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.097858][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.097858][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.097858][ T72] [ 3784.099634][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3784.099634][ T72] dst_init+0x84/0x4a0 [ 3784.099634][ T72] dst_alloc+0x97/0x150 [ 3784.099634][ T72] ip6_dst_alloc+0x23/0x90 [ 3784.099634][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3784.099634][ T72] ip6_pol_route+0x56f/0x840 [ 3784.099634][ T72] fib6_rule_lookup+0x456/0x630 [ 3784.099634][ T72] ip6_route_input+0x59c/0xa50 [ 3784.099634][ T72] ipv6_rcv+0x397/0x810 [ 3784.099634][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3784.099634][ T72] process_backlog+0x101/0x620 [ 3784.099634][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3784.099634][ T72] net_rx_action+0x495/0xbe0 [ 3784.099634][ T72] __do_softirq+0x1b5/0x7f6 [ 3784.099634][ T72] [ 3784.101317][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3784.101317][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.101317][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.101317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.101317][ T72] ip6_route_add+0x1c/0x140 [ 3784.101317][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3784.101317][ T72] inet6_addr_add+0x4f8/0xa40 [ 3784.101317][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.101317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.101317][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.101317][ T72] netlink_unicast+0x449/0x710 [ 3784.101317][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.101317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.101317][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.101317][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.101317][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.101317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.101317][ T72] [ 3784.103361][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3784.103361][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.103361][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.103361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.103361][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3784.103361][ T72] ipv6_add_addr+0x411/0x2000 [ 3784.103361][ T72] inet6_addr_add+0x30e/0xa40 [ 3784.103361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.103361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.103361][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.103361][ T72] netlink_unicast+0x449/0x710 [ 3784.103361][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.103361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.103361][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.103361][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.103361][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.103361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.103361][ T72] [ 3784.105371][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3784.105371][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.105371][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.105371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.105371][ T72] ip6_route_add+0x1c/0x140 [ 3784.105371][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3784.105371][ T72] addrconf_add_dev+0xe2/0x170 [ 3784.105371][ T72] inet6_addr_add+0x12f/0xa40 [ 3784.105371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.105371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.105371][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.105371][ T72] netlink_unicast+0x449/0x710 [ 3784.105371][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.105371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.105371][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.105371][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.105371][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.105371][ T72] [ 3784.107379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3784.107379][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3784.107379][ T72] ipv6_find_idev+0x102/0x170 [ 3784.107379][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.107379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.107379][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.107379][ T72] netlink_unicast+0x449/0x710 [ 3784.107379][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.107379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.107379][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.107379][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.107379][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.107379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.107379][ T72] [ 3784.108906][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3784.108906][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3784.108906][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3784.108906][ T72] ipv6_find_idev+0x102/0x170 [ 3784.108906][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.108906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.108906][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.108906][ T72] netlink_unicast+0x449/0x710 [ 3784.108906][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.108906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.108906][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.108906][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.108906][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.108906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.108906][ T72] [ 3784.110629][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3784.110924][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3784.110924][ T72] dst_init+0x84/0x4a0 [ 3784.110924][ T72] dst_alloc+0x97/0x150 [ 3784.110924][ T72] ip6_dst_alloc+0x23/0x90 [ 3784.110924][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3784.110924][ T72] ip6_pol_route+0x56f/0x840 [ 3784.110924][ T72] fib6_rule_lookup+0x456/0x630 [ 3784.110924][ T72] ip6_route_input+0x59c/0xa50 [ 3784.110924][ T72] ipv6_rcv+0x397/0x810 [ 3784.110924][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3784.110924][ T72] process_backlog+0x101/0x620 [ 3784.110924][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3784.110924][ T72] net_rx_action+0x495/0xbe0 [ 3784.110924][ T72] __do_softirq+0x1b5/0x7f6 [ 3784.110924][ T72] [ 3784.112612][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3784.112612][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.112612][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.112612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.112612][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3784.112612][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3784.112612][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3784.112612][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3784.112612][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3784.112612][ T72] addrconf_dad_begin+0x310/0x670 [ 3784.112612][ T72] addrconf_dad_work+0x10b/0xab0 [ 3784.112612][ T72] process_one_work+0x84d/0x18a0 [ 3784.112612][ T72] worker_thread+0x587/0xd30 [ 3784.112612][ T72] kthread+0x28a/0x350 [ 3784.112612][ T72] ret_from_fork+0x31/0x70 [ 3784.112612][ T72] ret_from_fork_asm+0x1a/0x30 [ 3784.112612][ T72] [ 3784.114503][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3784.114503][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.114503][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.114503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.114503][ T72] ip6_route_add+0x1c/0x140 [ 3784.114503][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3784.114503][ T72] inet6_addr_add+0x4f8/0xa40 [ 3784.114503][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.114503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.114503][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.114503][ T72] netlink_unicast+0x449/0x710 [ 3784.114503][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.114503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.114503][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.114503][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.114503][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.114503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.114503][ T72] [ 3784.116456][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3784.116456][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.116456][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.116456][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.116456][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3784.116456][ T72] ipv6_add_addr+0x411/0x2000 [ 3784.116456][ T72] inet6_addr_add+0x30e/0xa40 [ 3784.116456][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.116456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.116456][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.116456][ T72] netlink_unicast+0x449/0x710 [ 3784.116456][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.116456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.116456][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.116456][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.116456][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.116456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.116456][ T72] [ 3784.118765][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3784.118765][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.118765][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.118765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.118765][ T72] ip6_route_add+0x1c/0x140 [ 3784.118765][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3784.118765][ T72] addrconf_add_dev+0xe2/0x170 [ 3784.118765][ T72] inet6_addr_add+0x12f/0xa40 [ 3784.118765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.118765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.118765][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.118765][ T72] netlink_unicast+0x449/0x710 [ 3784.118765][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.118765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.118765][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.118765][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.118765][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.118765][ T72] [ 3784.121899][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3784.121899][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3784.121899][ T72] ipv6_find_idev+0x102/0x170 [ 3784.121899][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.121899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.121899][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.121899][ T72] netlink_unicast+0x449/0x710 [ 3784.121899][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.121899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.121899][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.121899][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.121899][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.121899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.121899][ T72] [ 3784.124345][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3784.124345][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3784.124345][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3784.124345][ T72] ipv6_find_idev+0x102/0x170 [ 3784.124345][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.124345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.124345][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.124345][ T72] netlink_unicast+0x449/0x710 [ 3784.124345][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.124345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.124345][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.124345][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.124345][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.124345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.124345][ T72] [ 3784.127250][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3784.127687][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3784.127687][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3784.127687][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3784.127687][ T72] fib6_nh_init+0xa22/0x1580 [ 3784.127687][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.127687][ T72] ip6_route_add+0x1c/0x140 [ 3784.127687][ T72] inet6_rtm_newroute+0x104/0x110 [ 3784.127687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.127687][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.127687][ T72] netlink_unicast+0x449/0x710 [ 3784.127687][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.127687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.127687][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.127687][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.127687][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.127687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.127687][ T72] [ 3784.131252][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3784.131252][ T72] dst_init+0x84/0x4a0 [ 3784.131252][ T72] dst_alloc+0x97/0x150 [ 3784.131252][ T72] ip6_dst_alloc+0x23/0x90 [ 3784.131252][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3784.131252][ T72] ip6_pol_route+0x56f/0x840 [ 3784.131252][ T72] fib6_rule_lookup+0x456/0x630 [ 3784.131252][ T72] ip6_route_input+0x59c/0xa50 [ 3784.131252][ T72] ipv6_rcv+0x397/0x810 [ 3784.131252][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3784.131252][ T72] process_backlog+0x101/0x620 [ 3784.131252][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3784.131252][ T72] net_rx_action+0x495/0xbe0 [ 3784.131252][ T72] __do_softirq+0x1b5/0x7f6 [ 3784.131252][ T72] [ 3784.134189][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3784.134189][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.134189][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.134189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.134189][ T72] ip6_route_add+0x1c/0x140 [ 3784.134189][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3784.134189][ T72] inet6_addr_add+0x4f8/0xa40 [ 3784.134189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.134189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.134189][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.134189][ T72] netlink_unicast+0x449/0x710 [ 3784.134189][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.134189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.134189][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.134189][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.134189][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.134189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.134189][ T72] [ 3784.137803][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3784.137803][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.137803][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.137803][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.137803][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3784.137803][ T72] ipv6_add_addr+0x411/0x2000 [ 3784.137803][ T72] inet6_addr_add+0x30e/0xa40 [ 3784.137803][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.137803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.137803][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.137803][ T72] netlink_unicast+0x449/0x710 [ 3784.137803][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.137803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.137803][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.137803][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.137803][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.137803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.137803][ T72] [ 3784.140255][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3784.140255][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.140255][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.140255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.140255][ T72] ip6_route_add+0x1c/0x140 [ 3784.140255][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3784.140255][ T72] addrconf_add_dev+0xe2/0x170 [ 3784.140255][ T72] inet6_addr_add+0x12f/0xa40 [ 3784.140255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.140255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.140255][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.140255][ T72] netlink_unicast+0x449/0x710 [ 3784.140255][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.140255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.140255][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.140255][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.140255][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.140255][ T72] [ 3784.142560][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3784.142560][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3784.142560][ T72] ipv6_find_idev+0x102/0x170 [ 3784.142560][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.142560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.142560][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.142560][ T72] netlink_unicast+0x449/0x710 [ 3784.142560][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.142560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.142560][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.142560][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.142560][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.142560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.142560][ T72] [ 3784.144308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3784.144308][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3784.144308][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3784.144308][ T72] ipv6_find_idev+0x102/0x170 [ 3784.144308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.144308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.144308][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.144308][ T72] netlink_unicast+0x449/0x710 [ 3784.144308][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.144308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.144308][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.144308][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.144308][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.144308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.144308][ T72] [ 3784.146218][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3784.146552][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3784.146552][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.146552][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.146552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.146552][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3784.146552][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3784.146552][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3784.146552][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3784.146552][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3784.146552][ T72] addrconf_dad_begin+0x310/0x670 [ 3784.146552][ T72] addrconf_dad_work+0x10b/0xab0 [ 3784.146552][ T72] process_one_work+0x84d/0x18a0 [ 3784.146552][ T72] worker_thread+0x587/0xd30 [ 3784.146552][ T72] kthread+0x28a/0x350 [ 3784.146552][ T72] ret_from_fork+0x31/0x70 [ 3784.146552][ T72] ret_from_fork_asm+0x1a/0x30 [ 3784.146552][ T72] [ 3784.149859][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3784.149859][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.149859][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.149859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.149859][ T72] ip6_route_add+0x1c/0x140 [ 3784.149859][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3784.149859][ T72] inet6_addr_add+0x4f8/0xa40 [ 3784.149859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.149859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.149859][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.149859][ T72] netlink_unicast+0x449/0x710 [ 3784.149859][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.149859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.149859][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.149859][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.149859][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.149859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.149859][ T72] [ 3784.152788][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3784.152788][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.152788][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.152788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.152788][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3784.152788][ T72] ipv6_add_addr+0x411/0x2000 [ 3784.152788][ T72] inet6_addr_add+0x30e/0xa40 [ 3784.152788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.152788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.152788][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.152788][ T72] netlink_unicast+0x449/0x710 [ 3784.152788][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.152788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.152788][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.152788][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.152788][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.152788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.152788][ T72] [ 3784.155076][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3784.155076][ T72] netdev_get_by_index+0x5e/0x80 [ 3784.155076][ T72] fib6_nh_init+0x3d8/0x1580 [ 3784.155076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3784.155076][ T72] ip6_route_add+0x1c/0x140 [ 3784.155076][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3784.155076][ T72] addrconf_add_dev+0xe2/0x170 [ 3784.155076][ T72] inet6_addr_add+0x12f/0xa40 [ 3784.155076][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.155076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.155076][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.155076][ T72] netlink_unicast+0x449/0x710 [ 3784.155076][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.155076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.155076][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.155076][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.155076][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.155076][ T72] [ 3784.157257][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3784.157257][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3784.157257][ T72] ipv6_find_idev+0x102/0x170 [ 3784.157257][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.157257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.157257][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.157257][ T72] netlink_unicast+0x449/0x710 [ 3784.157257][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.157257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.157257][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.157257][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.157257][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.157257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.157257][ T72] [ 3784.158964][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3784.158964][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3784.158964][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3784.158964][ T72] ipv6_find_idev+0x102/0x170 [ 3784.158964][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.158964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.158964][ T72] netlink_rcv_skb+0x130/0x360 [ 3784.158964][ T72] netlink_unicast+0x449/0x710 [ 3784.158964][ T72] netlink_sendmsg+0x723/0xbe0 [ 3784.158964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3784.158964][ T72] ___sys_sendmsg+0xee/0x170 [ 3784.158964][ T72] __sys_sendmsg+0xcd/0x170 [ 3784.158964][ T72] do_syscall_64+0xc6/0x1e0 [ 3784.158964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.158964][ T72] [ 3794.401006][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3794.401945][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3794.401945][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3794.401945][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3794.401945][ T72] fib6_nh_init+0xa22/0x1580 [ 3794.401945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.401945][ T72] ip6_route_add+0x1c/0x140 [ 3794.401945][ T72] inet6_rtm_newroute+0x104/0x110 [ 3794.401945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.401945][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.401945][ T72] netlink_unicast+0x449/0x710 [ 3794.401945][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.401945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.401945][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.401945][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.401945][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.401945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.401945][ T72] [ 3794.403830][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3794.403830][ T72] dst_init+0x84/0x4a0 [ 3794.403830][ T72] dst_alloc+0x97/0x150 [ 3794.403830][ T72] ip6_dst_alloc+0x23/0x90 [ 3794.403830][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3794.403830][ T72] ip6_pol_route+0x56f/0x840 [ 3794.403830][ T72] fib6_rule_lookup+0x456/0x630 [ 3794.403830][ T72] ip6_route_input+0x59c/0xa50 [ 3794.403830][ T72] ipv6_rcv+0x397/0x810 [ 3794.403830][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3794.403830][ T72] process_backlog+0x101/0x620 [ 3794.403830][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3794.403830][ T72] net_rx_action+0x495/0xbe0 [ 3794.403830][ T72] __do_softirq+0x1b5/0x7f6 [ 3794.403830][ T72] [ 3794.405425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3794.405425][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.405425][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.405425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.405425][ T72] ip6_route_add+0x1c/0x140 [ 3794.405425][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3794.405425][ T72] inet6_addr_add+0x4f8/0xa40 [ 3794.405425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.405425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.405425][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.405425][ T72] netlink_unicast+0x449/0x710 [ 3794.405425][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.405425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.405425][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.405425][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.405425][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.405425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.405425][ T72] [ 3794.407847][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3794.407847][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.407847][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.407847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.407847][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3794.407847][ T72] ipv6_add_addr+0x411/0x2000 [ 3794.407847][ T72] inet6_addr_add+0x30e/0xa40 [ 3794.407847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.407847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.407847][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.407847][ T72] netlink_unicast+0x449/0x710 [ 3794.407847][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.407847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.407847][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.407847][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.407847][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.407847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.407847][ T72] [ 3794.409712][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3794.409712][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.409712][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.409712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.409712][ T72] ip6_route_add+0x1c/0x140 [ 3794.409712][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3794.409712][ T72] addrconf_add_dev+0xe2/0x170 [ 3794.409712][ T72] inet6_addr_add+0x12f/0xa40 [ 3794.409712][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.409712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.409712][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.409712][ T72] netlink_unicast+0x449/0x710 [ 3794.409712][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.409712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.409712][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.409712][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.409712][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.409712][ T72] [ 3794.411630][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3794.411630][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3794.411630][ T72] ipv6_find_idev+0x102/0x170 [ 3794.411630][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.411630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.411630][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.411630][ T72] netlink_unicast+0x449/0x710 [ 3794.411630][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.411630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.411630][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.411630][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.411630][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.411630][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.411630][ T72] [ 3794.413063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3794.413063][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3794.413063][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3794.413063][ T72] ipv6_find_idev+0x102/0x170 [ 3794.413063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.413063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.413063][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.413063][ T72] netlink_unicast+0x449/0x710 [ 3794.413063][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.413063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.413063][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.413063][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.413063][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.413063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.413063][ T72] [ 3794.414773][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3794.415082][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3794.415082][ T72] dst_init+0x84/0x4a0 [ 3794.415082][ T72] dst_alloc+0x97/0x150 [ 3794.415082][ T72] ip6_dst_alloc+0x23/0x90 [ 3794.415082][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3794.415082][ T72] ip6_pol_route+0x56f/0x840 [ 3794.415082][ T72] fib6_rule_lookup+0x456/0x630 [ 3794.415082][ T72] ip6_route_input+0x59c/0xa50 [ 3794.415082][ T72] ipv6_rcv+0x397/0x810 [ 3794.415082][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3794.415082][ T72] process_backlog+0x101/0x620 [ 3794.415082][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3794.415082][ T72] net_rx_action+0x495/0xbe0 [ 3794.415082][ T72] __do_softirq+0x1b5/0x7f6 [ 3794.415082][ T72] [ 3794.416731][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3794.416731][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.416731][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.416731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.416731][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3794.416731][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3794.416731][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3794.416731][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3794.416731][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3794.416731][ T72] addrconf_dad_begin+0x310/0x670 [ 3794.416731][ T72] addrconf_dad_work+0x10b/0xab0 [ 3794.416731][ T72] process_one_work+0x84d/0x18a0 [ 3794.416731][ T72] worker_thread+0x587/0xd30 [ 3794.416731][ T72] kthread+0x28a/0x350 [ 3794.416731][ T72] ret_from_fork+0x31/0x70 [ 3794.416731][ T72] ret_from_fork_asm+0x1a/0x30 [ 3794.416731][ T72] [ 3794.418548][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3794.418548][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.418548][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.418548][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.418548][ T72] ip6_route_add+0x1c/0x140 [ 3794.418548][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3794.418548][ T72] inet6_addr_add+0x4f8/0xa40 [ 3794.418548][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.418548][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.418548][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.418548][ T72] netlink_unicast+0x449/0x710 [ 3794.418548][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.418548][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.418548][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.418548][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.418548][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.418548][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.418548][ T72] [ 3794.420509][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3794.420509][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.420509][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.420509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.420509][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3794.420509][ T72] ipv6_add_addr+0x411/0x2000 [ 3794.420509][ T72] inet6_addr_add+0x30e/0xa40 [ 3794.420509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.420509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.420509][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.420509][ T72] netlink_unicast+0x449/0x710 [ 3794.420509][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.420509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.420509][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.420509][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.420509][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.420509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.420509][ T72] [ 3794.422457][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3794.422457][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.422457][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.422457][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.422457][ T72] ip6_route_add+0x1c/0x140 [ 3794.422457][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3794.422457][ T72] addrconf_add_dev+0xe2/0x170 [ 3794.422457][ T72] inet6_addr_add+0x12f/0xa40 [ 3794.422457][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.422457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.422457][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.422457][ T72] netlink_unicast+0x449/0x710 [ 3794.422457][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.422457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.422457][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.422457][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.422457][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.422457][ T72] [ 3794.424394][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3794.424394][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3794.424394][ T72] ipv6_find_idev+0x102/0x170 [ 3794.424394][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.424394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.424394][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.424394][ T72] netlink_unicast+0x449/0x710 [ 3794.424394][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.424394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.424394][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.424394][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.424394][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.424394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.424394][ T72] [ 3794.426292][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3794.426292][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3794.426292][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3794.426292][ T72] ipv6_find_idev+0x102/0x170 [ 3794.426292][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.426292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.426292][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.426292][ T72] netlink_unicast+0x449/0x710 [ 3794.426292][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.426292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.426292][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.426292][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.426292][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.426292][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.426292][ T72] [ 3794.427968][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3794.428260][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3794.428260][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3794.428260][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3794.428260][ T72] fib6_nh_init+0xa22/0x1580 [ 3794.428260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.428260][ T72] ip6_route_add+0x1c/0x140 [ 3794.428260][ T72] inet6_rtm_newroute+0x104/0x110 [ 3794.428260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.428260][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.428260][ T72] netlink_unicast+0x449/0x710 [ 3794.428260][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.428260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.428260][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.428260][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.428260][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.428260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.428260][ T72] [ 3794.430377][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3794.430377][ T72] dst_init+0x84/0x4a0 [ 3794.430377][ T72] dst_alloc+0x97/0x150 [ 3794.430377][ T72] ip6_dst_alloc+0x23/0x90 [ 3794.430377][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3794.430377][ T72] ip6_pol_route+0x56f/0x840 [ 3794.430377][ T72] fib6_rule_lookup+0x456/0x630 [ 3794.430377][ T72] ip6_route_input+0x59c/0xa50 [ 3794.430377][ T72] ipv6_rcv+0x397/0x810 [ 3794.430377][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3794.430377][ T72] process_backlog+0x101/0x620 [ 3794.430377][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3794.430377][ T72] net_rx_action+0x495/0xbe0 [ 3794.430377][ T72] __do_softirq+0x1b5/0x7f6 [ 3794.430377][ T72] [ 3794.432190][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3794.432190][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.432190][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.432190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.432190][ T72] ip6_route_add+0x1c/0x140 [ 3794.432190][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3794.432190][ T72] inet6_addr_add+0x4f8/0xa40 [ 3794.432190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.432190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.432190][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.432190][ T72] netlink_unicast+0x449/0x710 [ 3794.432190][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.432190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.432190][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.432190][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.432190][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.432190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.432190][ T72] [ 3794.434471][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3794.434471][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.434471][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.434471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.434471][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3794.434471][ T72] ipv6_add_addr+0x411/0x2000 [ 3794.434471][ T72] inet6_addr_add+0x30e/0xa40 [ 3794.434471][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.434471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.434471][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.434471][ T72] netlink_unicast+0x449/0x710 [ 3794.434471][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.434471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.434471][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.434471][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.434471][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.434471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.434471][ T72] [ 3794.436614][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3794.436614][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.436614][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.436614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.436614][ T72] ip6_route_add+0x1c/0x140 [ 3794.436614][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3794.436614][ T72] addrconf_add_dev+0xe2/0x170 [ 3794.436614][ T72] inet6_addr_add+0x12f/0xa40 [ 3794.436614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.436614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.436614][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.436614][ T72] netlink_unicast+0x449/0x710 [ 3794.436614][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.436614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.436614][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.436614][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.436614][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.436614][ T72] [ 3794.438881][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3794.438881][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3794.438881][ T72] ipv6_find_idev+0x102/0x170 [ 3794.438881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.438881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.438881][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.438881][ T72] netlink_unicast+0x449/0x710 [ 3794.438881][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.438881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.438881][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.438881][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.438881][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.438881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.438881][ T72] [ 3794.440588][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3794.440588][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3794.440588][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3794.440588][ T72] ipv6_find_idev+0x102/0x170 [ 3794.440588][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.440588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.440588][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.440588][ T72] netlink_unicast+0x449/0x710 [ 3794.440588][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.440588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.440588][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.440588][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.440588][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.440588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.440588][ T72] [ 3794.442502][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3794.442777][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3794.442777][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.442777][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.442777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.442777][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3794.442777][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3794.442777][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3794.442777][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3794.442777][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3794.442777][ T72] addrconf_dad_begin+0x310/0x670 [ 3794.442777][ T72] addrconf_dad_work+0x10b/0xab0 [ 3794.442777][ T72] process_one_work+0x84d/0x18a0 [ 3794.442777][ T72] worker_thread+0x587/0xd30 [ 3794.442777][ T72] kthread+0x28a/0x350 [ 3794.442777][ T72] ret_from_fork+0x31/0x70 [ 3794.442777][ T72] ret_from_fork_asm+0x1a/0x30 [ 3794.442777][ T72] [ 3794.444971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3794.444971][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.444971][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.444971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.444971][ T72] ip6_route_add+0x1c/0x140 [ 3794.444971][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3794.444971][ T72] inet6_addr_add+0x4f8/0xa40 [ 3794.444971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.444971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.444971][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.444971][ T72] netlink_unicast+0x449/0x710 [ 3794.444971][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.444971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.444971][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.444971][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.444971][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.444971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.444971][ T72] [ 3794.447209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3794.447209][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.447209][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.447209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.447209][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3794.447209][ T72] ipv6_add_addr+0x411/0x2000 [ 3794.447209][ T72] inet6_addr_add+0x30e/0xa40 [ 3794.447209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.447209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.447209][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.447209][ T72] netlink_unicast+0x449/0x710 [ 3794.447209][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.447209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.447209][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.447209][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.447209][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.447209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.447209][ T72] [ 3794.449529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3794.449529][ T72] netdev_get_by_index+0x5e/0x80 [ 3794.449529][ T72] fib6_nh_init+0x3d8/0x1580 [ 3794.449529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3794.449529][ T72] ip6_route_add+0x1c/0x140 [ 3794.449529][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3794.449529][ T72] addrconf_add_dev+0xe2/0x170 [ 3794.449529][ T72] inet6_addr_add+0x12f/0xa40 [ 3794.449529][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.449529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.449529][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.449529][ T72] netlink_unicast+0x449/0x710 [ 3794.449529][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.449529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.449529][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.449529][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.449529][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.449529][ T72] [ 3794.451678][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3794.451678][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3794.451678][ T72] ipv6_find_idev+0x102/0x170 [ 3794.451678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.451678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.451678][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.451678][ T72] netlink_unicast+0x449/0x710 [ 3794.451678][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.451678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.451678][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.451678][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.451678][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.451678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.451678][ T72] [ 3794.453419][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3794.453419][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3794.453419][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3794.453419][ T72] ipv6_find_idev+0x102/0x170 [ 3794.453419][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.453419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.453419][ T72] netlink_rcv_skb+0x130/0x360 [ 3794.453419][ T72] netlink_unicast+0x449/0x710 [ 3794.453419][ T72] netlink_sendmsg+0x723/0xbe0 [ 3794.453419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3794.453419][ T72] ___sys_sendmsg+0xee/0x170 [ 3794.453419][ T72] __sys_sendmsg+0xcd/0x170 [ 3794.453419][ T72] do_syscall_64+0xc6/0x1e0 [ 3794.453419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.453419][ T72] [ 3804.696987][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3804.697622][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3804.697622][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3804.697622][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3804.697622][ T72] fib6_nh_init+0xa22/0x1580 [ 3804.697622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.697622][ T72] ip6_route_add+0x1c/0x140 [ 3804.697622][ T72] inet6_rtm_newroute+0x104/0x110 [ 3804.697622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.697622][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.697622][ T72] netlink_unicast+0x449/0x710 [ 3804.697622][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.697622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.697622][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.697622][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.697622][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.697622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.697622][ T72] [ 3804.699537][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3804.699537][ T72] dst_init+0x84/0x4a0 [ 3804.699537][ T72] dst_alloc+0x97/0x150 [ 3804.699537][ T72] ip6_dst_alloc+0x23/0x90 [ 3804.699537][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3804.699537][ T72] ip6_pol_route+0x56f/0x840 [ 3804.699537][ T72] fib6_rule_lookup+0x456/0x630 [ 3804.699537][ T72] ip6_route_input+0x59c/0xa50 [ 3804.699537][ T72] ipv6_rcv+0x397/0x810 [ 3804.699537][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3804.699537][ T72] process_backlog+0x101/0x620 [ 3804.699537][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3804.699537][ T72] net_rx_action+0x495/0xbe0 [ 3804.699537][ T72] __do_softirq+0x1b5/0x7f6 [ 3804.699537][ T72] [ 3804.701157][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3804.701157][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.701157][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.701157][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.701157][ T72] ip6_route_add+0x1c/0x140 [ 3804.701157][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3804.701157][ T72] inet6_addr_add+0x4f8/0xa40 [ 3804.701157][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.701157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.701157][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.701157][ T72] netlink_unicast+0x449/0x710 [ 3804.701157][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.701157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.701157][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.701157][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.701157][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.701157][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.701157][ T72] [ 3804.703113][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3804.703113][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.703113][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.703113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.703113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3804.703113][ T72] ipv6_add_addr+0x411/0x2000 [ 3804.703113][ T72] inet6_addr_add+0x30e/0xa40 [ 3804.703113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.703113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.703113][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.703113][ T72] netlink_unicast+0x449/0x710 [ 3804.703113][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.703113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.703113][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.703113][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.703113][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.703113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.703113][ T72] [ 3804.705126][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3804.705126][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.705126][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.705126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.705126][ T72] ip6_route_add+0x1c/0x140 [ 3804.705126][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3804.705126][ T72] addrconf_add_dev+0xe2/0x170 [ 3804.705126][ T72] inet6_addr_add+0x12f/0xa40 [ 3804.705126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.705126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.705126][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.705126][ T72] netlink_unicast+0x449/0x710 [ 3804.705126][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.705126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.705126][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.705126][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.705126][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.705126][ T72] [ 3804.707104][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3804.707104][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3804.707104][ T72] ipv6_find_idev+0x102/0x170 [ 3804.707104][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.707104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.707104][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.707104][ T72] netlink_unicast+0x449/0x710 [ 3804.707104][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.707104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.707104][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.707104][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.707104][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.707104][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.707104][ T72] [ 3804.708639][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3804.708639][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3804.708639][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3804.708639][ T72] ipv6_find_idev+0x102/0x170 [ 3804.708639][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.708639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.708639][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.708639][ T72] netlink_unicast+0x449/0x710 [ 3804.708639][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.708639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.708639][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.708639][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.708639][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.708639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.708639][ T72] [ 3804.710400][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3804.710679][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3804.710679][ T72] dst_init+0x84/0x4a0 [ 3804.710679][ T72] dst_alloc+0x97/0x150 [ 3804.710679][ T72] ip6_dst_alloc+0x23/0x90 [ 3804.710679][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3804.710679][ T72] ip6_pol_route+0x56f/0x840 [ 3804.710679][ T72] fib6_rule_lookup+0x456/0x630 [ 3804.710679][ T72] ip6_route_input+0x59c/0xa50 [ 3804.710679][ T72] ipv6_rcv+0x397/0x810 [ 3804.710679][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3804.710679][ T72] process_backlog+0x101/0x620 [ 3804.710679][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3804.710679][ T72] net_rx_action+0x495/0xbe0 [ 3804.710679][ T72] __do_softirq+0x1b5/0x7f6 [ 3804.710679][ T72] [ 3804.712347][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3804.712347][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.712347][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.712347][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.712347][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3804.712347][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3804.712347][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3804.712347][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3804.712347][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3804.712347][ T72] addrconf_dad_begin+0x310/0x670 [ 3804.712347][ T72] addrconf_dad_work+0x10b/0xab0 [ 3804.712347][ T72] process_one_work+0x84d/0x18a0 [ 3804.712347][ T72] worker_thread+0x587/0xd30 [ 3804.712347][ T72] kthread+0x28a/0x350 [ 3804.712347][ T72] ret_from_fork+0x31/0x70 [ 3804.712347][ T72] ret_from_fork_asm+0x1a/0x30 [ 3804.712347][ T72] [ 3804.714267][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3804.714267][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.714267][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.714267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.714267][ T72] ip6_route_add+0x1c/0x140 [ 3804.714267][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3804.714267][ T72] inet6_addr_add+0x4f8/0xa40 [ 3804.714267][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.714267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.714267][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.714267][ T72] netlink_unicast+0x449/0x710 [ 3804.714267][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.714267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.714267][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.714267][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.714267][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.714267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.714267][ T72] [ 3804.716275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3804.716275][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.716275][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.716275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.716275][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3804.716275][ T72] ipv6_add_addr+0x411/0x2000 [ 3804.716275][ T72] inet6_addr_add+0x30e/0xa40 [ 3804.716275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.716275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.716275][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.716275][ T72] netlink_unicast+0x449/0x710 [ 3804.716275][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.716275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.716275][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.716275][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.716275][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.716275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.716275][ T72] [ 3804.718297][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3804.718297][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.718297][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.718297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.718297][ T72] ip6_route_add+0x1c/0x140 [ 3804.718297][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3804.718297][ T72] addrconf_add_dev+0xe2/0x170 [ 3804.718297][ T72] inet6_addr_add+0x12f/0xa40 [ 3804.718297][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.718297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.718297][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.718297][ T72] netlink_unicast+0x449/0x710 [ 3804.718297][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.718297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.718297][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.718297][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.718297][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.718297][ T72] [ 3804.720656][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3804.720656][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3804.720656][ T72] ipv6_find_idev+0x102/0x170 [ 3804.720656][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.720656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.720656][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.720656][ T72] netlink_unicast+0x449/0x710 [ 3804.720656][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.720656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.720656][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.720656][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.720656][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.720656][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.720656][ T72] [ 3804.722205][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3804.722205][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3804.722205][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3804.722205][ T72] ipv6_find_idev+0x102/0x170 [ 3804.722205][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.722205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.722205][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.722205][ T72] netlink_unicast+0x449/0x710 [ 3804.722205][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.722205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.722205][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.722205][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.722205][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.722205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.722205][ T72] [ 3804.724006][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3804.724282][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3804.724282][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3804.724282][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3804.724282][ T72] fib6_nh_init+0xa22/0x1580 [ 3804.724282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.724282][ T72] ip6_route_add+0x1c/0x140 [ 3804.724282][ T72] inet6_rtm_newroute+0x104/0x110 [ 3804.724282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.724282][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.724282][ T72] netlink_unicast+0x449/0x710 [ 3804.724282][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.724282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.724282][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.724282][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.724282][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.724282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.724282][ T72] [ 3804.726439][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3804.726439][ T72] dst_init+0x84/0x4a0 [ 3804.726439][ T72] dst_alloc+0x97/0x150 [ 3804.726439][ T72] ip6_dst_alloc+0x23/0x90 [ 3804.726439][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3804.726439][ T72] ip6_pol_route+0x56f/0x840 [ 3804.726439][ T72] fib6_rule_lookup+0x456/0x630 [ 3804.726439][ T72] ip6_route_input+0x59c/0xa50 [ 3804.726439][ T72] ipv6_rcv+0x397/0x810 [ 3804.726439][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3804.726439][ T72] process_backlog+0x101/0x620 [ 3804.726439][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3804.726439][ T72] net_rx_action+0x495/0xbe0 [ 3804.726439][ T72] __do_softirq+0x1b5/0x7f6 [ 3804.726439][ T72] [ 3804.728260][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3804.728260][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.728260][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.728260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.728260][ T72] ip6_route_add+0x1c/0x140 [ 3804.728260][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3804.728260][ T72] inet6_addr_add+0x4f8/0xa40 [ 3804.728260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.728260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.728260][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.728260][ T72] netlink_unicast+0x449/0x710 [ 3804.728260][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.728260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.728260][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.728260][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.728260][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.728260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.728260][ T72] [ 3804.730507][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3804.730507][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.730507][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.730507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.730507][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3804.730507][ T72] ipv6_add_addr+0x411/0x2000 [ 3804.730507][ T72] inet6_addr_add+0x30e/0xa40 [ 3804.730507][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.730507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.730507][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.730507][ T72] netlink_unicast+0x449/0x710 [ 3804.730507][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.730507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.730507][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.730507][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.730507][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.730507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.730507][ T72] [ 3804.732689][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3804.732689][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.732689][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.732689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.732689][ T72] ip6_route_add+0x1c/0x140 [ 3804.732689][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3804.732689][ T72] addrconf_add_dev+0xe2/0x170 [ 3804.732689][ T72] inet6_addr_add+0x12f/0xa40 [ 3804.732689][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.732689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.732689][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.732689][ T72] netlink_unicast+0x449/0x710 [ 3804.732689][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.732689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.732689][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.732689][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.732689][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.732689][ T72] [ 3804.734968][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3804.734968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3804.734968][ T72] ipv6_find_idev+0x102/0x170 [ 3804.734968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.734968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.734968][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.734968][ T72] netlink_unicast+0x449/0x710 [ 3804.734968][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.734968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.734968][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.734968][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.734968][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.734968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.734968][ T72] [ 3804.736698][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3804.736698][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3804.736698][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3804.736698][ T72] ipv6_find_idev+0x102/0x170 [ 3804.736698][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.736698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.736698][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.736698][ T72] netlink_unicast+0x449/0x710 [ 3804.736698][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.736698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.736698][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.736698][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.736698][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.736698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.736698][ T72] [ 3804.738542][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3804.739308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3804.739308][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.739308][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.739308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.739308][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3804.739308][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3804.739308][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3804.739308][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3804.739308][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3804.739308][ T72] addrconf_dad_begin+0x310/0x670 [ 3804.739308][ T72] addrconf_dad_work+0x10b/0xab0 [ 3804.739308][ T72] process_one_work+0x84d/0x18a0 [ 3804.739308][ T72] worker_thread+0x587/0xd30 [ 3804.739308][ T72] kthread+0x28a/0x350 [ 3804.739308][ T72] ret_from_fork+0x31/0x70 [ 3804.739308][ T72] ret_from_fork_asm+0x1a/0x30 [ 3804.739308][ T72] [ 3804.741178][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3804.741178][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.741178][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.741178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.741178][ T72] ip6_route_add+0x1c/0x140 [ 3804.741178][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3804.741178][ T72] inet6_addr_add+0x4f8/0xa40 [ 3804.741178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.741178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.741178][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.741178][ T72] netlink_unicast+0x449/0x710 [ 3804.741178][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.741178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.741178][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.741178][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.741178][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.741178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.741178][ T72] [ 3804.743124][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3804.743124][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.743124][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.743124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.743124][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3804.743124][ T72] ipv6_add_addr+0x411/0x2000 [ 3804.743124][ T72] inet6_addr_add+0x30e/0xa40 [ 3804.743124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.743124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.743124][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.743124][ T72] netlink_unicast+0x449/0x710 [ 3804.743124][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.743124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.743124][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.743124][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.743124][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.743124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.743124][ T72] [ 3804.745362][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3804.745362][ T72] netdev_get_by_index+0x5e/0x80 [ 3804.745362][ T72] fib6_nh_init+0x3d8/0x1580 [ 3804.745362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3804.745362][ T72] ip6_route_add+0x1c/0x140 [ 3804.745362][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3804.745362][ T72] addrconf_add_dev+0xe2/0x170 [ 3804.745362][ T72] inet6_addr_add+0x12f/0xa40 [ 3804.745362][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.745362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.745362][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.745362][ T72] netlink_unicast+0x449/0x710 [ 3804.745362][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.745362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.745362][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.745362][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.745362][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.745362][ T72] [ 3804.747638][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3804.747638][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3804.747638][ T72] ipv6_find_idev+0x102/0x170 [ 3804.747638][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.747638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.747638][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.747638][ T72] netlink_unicast+0x449/0x710 [ 3804.747638][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.747638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.747638][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.747638][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.747638][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.747638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.747638][ T72] [ 3804.749315][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3804.749315][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3804.749315][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3804.749315][ T72] ipv6_find_idev+0x102/0x170 [ 3804.749315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.749315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.749315][ T72] netlink_rcv_skb+0x130/0x360 [ 3804.749315][ T72] netlink_unicast+0x449/0x710 [ 3804.749315][ T72] netlink_sendmsg+0x723/0xbe0 [ 3804.749315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3804.749315][ T72] ___sys_sendmsg+0xee/0x170 [ 3804.749315][ T72] __sys_sendmsg+0xcd/0x170 [ 3804.749315][ T72] do_syscall_64+0xc6/0x1e0 [ 3804.749315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.749315][ T72] [ 3814.800997][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3814.801492][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3814.801492][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3814.801492][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3814.801492][ T72] fib6_nh_init+0xa22/0x1580 [ 3814.801492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.801492][ T72] ip6_route_add+0x1c/0x140 [ 3814.801492][ T72] inet6_rtm_newroute+0x104/0x110 [ 3814.801492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.801492][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.801492][ T72] netlink_unicast+0x449/0x710 [ 3814.801492][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.801492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.801492][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.801492][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.801492][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.801492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.801492][ T72] [ 3814.803333][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3814.803333][ T72] dst_init+0x84/0x4a0 [ 3814.803333][ T72] dst_alloc+0x97/0x150 [ 3814.803333][ T72] ip6_dst_alloc+0x23/0x90 [ 3814.803333][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3814.803333][ T72] ip6_pol_route+0x56f/0x840 [ 3814.803333][ T72] fib6_rule_lookup+0x456/0x630 [ 3814.803333][ T72] ip6_route_input+0x59c/0xa50 [ 3814.803333][ T72] ipv6_rcv+0x397/0x810 [ 3814.803333][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3814.803333][ T72] process_backlog+0x101/0x620 [ 3814.803333][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3814.803333][ T72] net_rx_action+0x495/0xbe0 [ 3814.803333][ T72] __do_softirq+0x1b5/0x7f6 [ 3814.803333][ T72] [ 3814.804993][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3814.804993][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.804993][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.804993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.804993][ T72] ip6_route_add+0x1c/0x140 [ 3814.804993][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3814.804993][ T72] inet6_addr_add+0x4f8/0xa40 [ 3814.804993][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.804993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.804993][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.804993][ T72] netlink_unicast+0x449/0x710 [ 3814.804993][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.804993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.804993][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.804993][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.804993][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.804993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.804993][ T72] [ 3814.806984][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3814.806984][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.806984][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.806984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.806984][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3814.806984][ T72] ipv6_add_addr+0x411/0x2000 [ 3814.806984][ T72] inet6_addr_add+0x30e/0xa40 [ 3814.806984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.806984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.806984][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.806984][ T72] netlink_unicast+0x449/0x710 [ 3814.806984][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.806984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.806984][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.806984][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.806984][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.806984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.806984][ T72] [ 3814.808972][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3814.808972][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.808972][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.808972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.808972][ T72] ip6_route_add+0x1c/0x140 [ 3814.808972][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3814.808972][ T72] addrconf_add_dev+0xe2/0x170 [ 3814.808972][ T72] inet6_addr_add+0x12f/0xa40 [ 3814.808972][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.808972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.808972][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.808972][ T72] netlink_unicast+0x449/0x710 [ 3814.808972][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.808972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.808972][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.808972][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.808972][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.808972][ T72] [ 3814.810940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3814.810940][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3814.810940][ T72] ipv6_find_idev+0x102/0x170 [ 3814.810940][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.810940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.810940][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.810940][ T72] netlink_unicast+0x449/0x710 [ 3814.810940][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.810940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.810940][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.810940][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.810940][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.810940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.810940][ T72] [ 3814.812470][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3814.812470][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3814.812470][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3814.812470][ T72] ipv6_find_idev+0x102/0x170 [ 3814.812470][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.812470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.812470][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.812470][ T72] netlink_unicast+0x449/0x710 [ 3814.812470][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.812470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.812470][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.812470][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.812470][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.812470][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.812470][ T72] [ 3814.814123][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3814.814407][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3814.814407][ T72] dst_init+0x84/0x4a0 [ 3814.814407][ T72] dst_alloc+0x97/0x150 [ 3814.814407][ T72] ip6_dst_alloc+0x23/0x90 [ 3814.814407][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3814.814407][ T72] ip6_pol_route+0x56f/0x840 [ 3814.814407][ T72] fib6_rule_lookup+0x456/0x630 [ 3814.814407][ T72] ip6_route_input+0x59c/0xa50 [ 3814.814407][ T72] ipv6_rcv+0x397/0x810 [ 3814.814407][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3814.814407][ T72] process_backlog+0x101/0x620 [ 3814.814407][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3814.814407][ T72] net_rx_action+0x495/0xbe0 [ 3814.814407][ T72] __do_softirq+0x1b5/0x7f6 [ 3814.814407][ T72] [ 3814.816062][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3814.816062][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.816062][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.816062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.816062][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3814.816062][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3814.816062][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3814.816062][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3814.816062][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3814.816062][ T72] addrconf_dad_begin+0x310/0x670 [ 3814.816062][ T72] addrconf_dad_work+0x10b/0xab0 [ 3814.816062][ T72] process_one_work+0x84d/0x18a0 [ 3814.816062][ T72] worker_thread+0x587/0xd30 [ 3814.816062][ T72] kthread+0x28a/0x350 [ 3814.816062][ T72] ret_from_fork+0x31/0x70 [ 3814.816062][ T72] ret_from_fork_asm+0x1a/0x30 [ 3814.816062][ T72] [ 3814.817942][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3814.817942][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.817942][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.817942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.817942][ T72] ip6_route_add+0x1c/0x140 [ 3814.817942][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3814.817942][ T72] inet6_addr_add+0x4f8/0xa40 [ 3814.817942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.817942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.817942][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.817942][ T72] netlink_unicast+0x449/0x710 [ 3814.817942][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.817942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.817942][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.817942][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.817942][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.817942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.817942][ T72] [ 3814.819880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3814.819880][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.819880][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.819880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.819880][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3814.819880][ T72] ipv6_add_addr+0x411/0x2000 [ 3814.819880][ T72] inet6_addr_add+0x30e/0xa40 [ 3814.819880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.819880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.819880][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.819880][ T72] netlink_unicast+0x449/0x710 [ 3814.819880][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.819880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.819880][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.819880][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.819880][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.819880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.819880][ T72] [ 3814.821872][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3814.821872][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.821872][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.821872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.821872][ T72] ip6_route_add+0x1c/0x140 [ 3814.821872][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3814.821872][ T72] addrconf_add_dev+0xe2/0x170 [ 3814.821872][ T72] inet6_addr_add+0x12f/0xa40 [ 3814.821872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.821872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.821872][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.821872][ T72] netlink_unicast+0x449/0x710 [ 3814.821872][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.821872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.821872][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.821872][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.821872][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.821872][ T72] [ 3814.823781][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3814.823781][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3814.823781][ T72] ipv6_find_idev+0x102/0x170 [ 3814.823781][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.823781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.823781][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.823781][ T72] netlink_unicast+0x449/0x710 [ 3814.823781][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.823781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.823781][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.823781][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.823781][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.823781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.823781][ T72] [ 3814.825301][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3814.825301][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3814.825301][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3814.825301][ T72] ipv6_find_idev+0x102/0x170 [ 3814.825301][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.825301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.825301][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.825301][ T72] netlink_unicast+0x449/0x710 [ 3814.825301][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.825301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.825301][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.825301][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.825301][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.825301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.825301][ T72] [ 3814.827051][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3814.827377][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3814.827377][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3814.827377][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3814.827377][ T72] fib6_nh_init+0xa22/0x1580 [ 3814.827377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.827377][ T72] ip6_route_add+0x1c/0x140 [ 3814.827377][ T72] inet6_rtm_newroute+0x104/0x110 [ 3814.827377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.827377][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.827377][ T72] netlink_unicast+0x449/0x710 [ 3814.827377][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.827377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.827377][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.827377][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.827377][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.827377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.827377][ T72] [ 3814.829407][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3814.829407][ T72] dst_init+0x84/0x4a0 [ 3814.829407][ T72] dst_alloc+0x97/0x150 [ 3814.829407][ T72] ip6_dst_alloc+0x23/0x90 [ 3814.829407][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3814.829407][ T72] ip6_pol_route+0x56f/0x840 [ 3814.829407][ T72] fib6_rule_lookup+0x456/0x630 [ 3814.829407][ T72] ip6_route_input+0x59c/0xa50 [ 3814.829407][ T72] ipv6_rcv+0x397/0x810 [ 3814.829407][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3814.829407][ T72] process_backlog+0x101/0x620 [ 3814.829407][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3814.829407][ T72] net_rx_action+0x495/0xbe0 [ 3814.829407][ T72] __do_softirq+0x1b5/0x7f6 [ 3814.829407][ T72] [ 3814.831206][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3814.831206][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.831206][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.831206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.831206][ T72] ip6_route_add+0x1c/0x140 [ 3814.831206][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3814.831206][ T72] inet6_addr_add+0x4f8/0xa40 [ 3814.831206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.831206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.831206][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.831206][ T72] netlink_unicast+0x449/0x710 [ 3814.831206][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.831206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.831206][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.831206][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.831206][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.831206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.831206][ T72] [ 3814.833399][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3814.833399][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.833399][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.833399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.833399][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3814.833399][ T72] ipv6_add_addr+0x411/0x2000 [ 3814.833399][ T72] inet6_addr_add+0x30e/0xa40 [ 3814.833399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.833399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.833399][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.833399][ T72] netlink_unicast+0x449/0x710 [ 3814.833399][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.833399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.833399][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.833399][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.833399][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.833399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.833399][ T72] [ 3814.835642][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3814.835642][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.835642][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.835642][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.835642][ T72] ip6_route_add+0x1c/0x140 [ 3814.835642][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3814.835642][ T72] addrconf_add_dev+0xe2/0x170 [ 3814.835642][ T72] inet6_addr_add+0x12f/0xa40 [ 3814.835642][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.835642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.835642][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.835642][ T72] netlink_unicast+0x449/0x710 [ 3814.835642][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.835642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.835642][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.835642][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.835642][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.835642][ T72] [ 3814.837899][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3814.837899][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3814.837899][ T72] ipv6_find_idev+0x102/0x170 [ 3814.837899][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.837899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.837899][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.837899][ T72] netlink_unicast+0x449/0x710 [ 3814.837899][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.837899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.837899][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.837899][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.837899][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.837899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.837899][ T72] [ 3814.839602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3814.839602][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3814.839602][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3814.839602][ T72] ipv6_find_idev+0x102/0x170 [ 3814.839602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.839602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.839602][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.839602][ T72] netlink_unicast+0x449/0x710 [ 3814.839602][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.839602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.839602][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.839602][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.839602][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.839602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.839602][ T72] [ 3814.841457][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3814.841782][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3814.841782][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.841782][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.841782][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.841782][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3814.841782][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3814.841782][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3814.841782][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3814.841782][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3814.841782][ T72] addrconf_dad_begin+0x310/0x670 [ 3814.841782][ T72] addrconf_dad_work+0x10b/0xab0 [ 3814.841782][ T72] process_one_work+0x84d/0x18a0 [ 3814.841782][ T72] worker_thread+0x587/0xd30 [ 3814.841782][ T72] kthread+0x28a/0x350 [ 3814.841782][ T72] ret_from_fork+0x31/0x70 [ 3814.841782][ T72] ret_from_fork_asm+0x1a/0x30 [ 3814.841782][ T72] [ 3814.843851][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3814.843851][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.843851][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.843851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.843851][ T72] ip6_route_add+0x1c/0x140 [ 3814.843851][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3814.843851][ T72] inet6_addr_add+0x4f8/0xa40 [ 3814.843851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.843851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.843851][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.843851][ T72] netlink_unicast+0x449/0x710 [ 3814.843851][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.843851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.843851][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.843851][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.843851][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.843851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.843851][ T72] [ 3814.846073][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3814.846073][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.846073][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.846073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.846073][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3814.846073][ T72] ipv6_add_addr+0x411/0x2000 [ 3814.846073][ T72] inet6_addr_add+0x30e/0xa40 [ 3814.846073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.846073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.846073][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.846073][ T72] netlink_unicast+0x449/0x710 [ 3814.846073][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.846073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.846073][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.846073][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.846073][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.846073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.846073][ T72] [ 3814.848352][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3814.848352][ T72] netdev_get_by_index+0x5e/0x80 [ 3814.848352][ T72] fib6_nh_init+0x3d8/0x1580 [ 3814.848352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3814.848352][ T72] ip6_route_add+0x1c/0x140 [ 3814.848352][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3814.848352][ T72] addrconf_add_dev+0xe2/0x170 [ 3814.848352][ T72] inet6_addr_add+0x12f/0xa40 [ 3814.848352][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.848352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.848352][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.848352][ T72] netlink_unicast+0x449/0x710 [ 3814.848352][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.848352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.848352][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.848352][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.848352][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.848352][ T72] [ 3814.850536][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3814.850536][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3814.850536][ T72] ipv6_find_idev+0x102/0x170 [ 3814.850536][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.850536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.850536][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.850536][ T72] netlink_unicast+0x449/0x710 [ 3814.850536][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.850536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.850536][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.850536][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.850536][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.850536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.850536][ T72] [ 3814.852240][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3814.852240][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3814.852240][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3814.852240][ T72] ipv6_find_idev+0x102/0x170 [ 3814.852240][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.852240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.852240][ T72] netlink_rcv_skb+0x130/0x360 [ 3814.852240][ T72] netlink_unicast+0x449/0x710 [ 3814.852240][ T72] netlink_sendmsg+0x723/0xbe0 [ 3814.852240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3814.852240][ T72] ___sys_sendmsg+0xee/0x170 [ 3814.852240][ T72] __sys_sendmsg+0xcd/0x170 [ 3814.852240][ T72] do_syscall_64+0xc6/0x1e0 [ 3814.852240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.852240][ T72] [ 3825.096903][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3825.097398][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3825.097398][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3825.097398][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3825.097398][ T72] fib6_nh_init+0xa22/0x1580 [ 3825.097398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.097398][ T72] ip6_route_add+0x1c/0x140 [ 3825.097398][ T72] inet6_rtm_newroute+0x104/0x110 [ 3825.097398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.097398][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.097398][ T72] netlink_unicast+0x449/0x710 [ 3825.097398][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.097398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.097398][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.097398][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.097398][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.097398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.097398][ T72] [ 3825.099297][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3825.099297][ T72] dst_init+0x84/0x4a0 [ 3825.099297][ T72] dst_alloc+0x97/0x150 [ 3825.099297][ T72] ip6_dst_alloc+0x23/0x90 [ 3825.099297][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3825.099297][ T72] ip6_pol_route+0x56f/0x840 [ 3825.099297][ T72] fib6_rule_lookup+0x456/0x630 [ 3825.099297][ T72] ip6_route_input+0x59c/0xa50 [ 3825.099297][ T72] ipv6_rcv+0x397/0x810 [ 3825.099297][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3825.099297][ T72] process_backlog+0x101/0x620 [ 3825.099297][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3825.099297][ T72] net_rx_action+0x495/0xbe0 [ 3825.099297][ T72] __do_softirq+0x1b5/0x7f6 [ 3825.099297][ T72] [ 3825.100944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3825.100944][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.100944][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.100944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.100944][ T72] ip6_route_add+0x1c/0x140 [ 3825.100944][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3825.100944][ T72] inet6_addr_add+0x4f8/0xa40 [ 3825.100944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.100944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.100944][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.100944][ T72] netlink_unicast+0x449/0x710 [ 3825.100944][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.100944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.100944][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.100944][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.100944][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.100944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.100944][ T72] [ 3825.102938][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3825.102938][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.102938][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.102938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.102938][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3825.102938][ T72] ipv6_add_addr+0x411/0x2000 [ 3825.102938][ T72] inet6_addr_add+0x30e/0xa40 [ 3825.102938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.102938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.102938][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.102938][ T72] netlink_unicast+0x449/0x710 [ 3825.102938][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.102938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.102938][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.102938][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.102938][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.102938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.102938][ T72] [ 3825.104939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3825.104939][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.104939][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.104939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.104939][ T72] ip6_route_add+0x1c/0x140 [ 3825.104939][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3825.104939][ T72] addrconf_add_dev+0xe2/0x170 [ 3825.104939][ T72] inet6_addr_add+0x12f/0xa40 [ 3825.104939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.104939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.104939][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.104939][ T72] netlink_unicast+0x449/0x710 [ 3825.104939][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.104939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.104939][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.104939][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.104939][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.104939][ T72] [ 3825.106881][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3825.106881][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3825.106881][ T72] ipv6_find_idev+0x102/0x170 [ 3825.106881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.106881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.106881][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.106881][ T72] netlink_unicast+0x449/0x710 [ 3825.106881][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.106881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.106881][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.106881][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.106881][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.106881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.106881][ T72] [ 3825.108407][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3825.108407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3825.108407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3825.108407][ T72] ipv6_find_idev+0x102/0x170 [ 3825.108407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.108407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.108407][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.108407][ T72] netlink_unicast+0x449/0x710 [ 3825.108407][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.108407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.108407][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.108407][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.108407][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.108407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.108407][ T72] [ 3825.110086][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3825.110357][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3825.110357][ T72] dst_init+0x84/0x4a0 [ 3825.110357][ T72] dst_alloc+0x97/0x150 [ 3825.110357][ T72] ip6_dst_alloc+0x23/0x90 [ 3825.110357][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3825.110357][ T72] ip6_pol_route+0x56f/0x840 [ 3825.110357][ T72] fib6_rule_lookup+0x456/0x630 [ 3825.110357][ T72] ip6_route_input+0x59c/0xa50 [ 3825.110357][ T72] ipv6_rcv+0x397/0x810 [ 3825.110357][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3825.110357][ T72] process_backlog+0x101/0x620 [ 3825.110357][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3825.110357][ T72] net_rx_action+0x495/0xbe0 [ 3825.110357][ T72] __do_softirq+0x1b5/0x7f6 [ 3825.110357][ T72] [ 3825.111980][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3825.111980][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.111980][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.111980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.111980][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3825.111980][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3825.111980][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3825.111980][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3825.111980][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3825.111980][ T72] addrconf_dad_begin+0x310/0x670 [ 3825.111980][ T72] addrconf_dad_work+0x10b/0xab0 [ 3825.111980][ T72] process_one_work+0x84d/0x18a0 [ 3825.111980][ T72] worker_thread+0x587/0xd30 [ 3825.111980][ T72] kthread+0x28a/0x350 [ 3825.111980][ T72] ret_from_fork+0x31/0x70 [ 3825.111980][ T72] ret_from_fork_asm+0x1a/0x30 [ 3825.111980][ T72] [ 3825.113874][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3825.113874][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.113874][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.113874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.113874][ T72] ip6_route_add+0x1c/0x140 [ 3825.113874][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3825.113874][ T72] inet6_addr_add+0x4f8/0xa40 [ 3825.113874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.113874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.113874][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.113874][ T72] netlink_unicast+0x449/0x710 [ 3825.113874][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.113874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.113874][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.113874][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.113874][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.113874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.113874][ T72] [ 3825.115855][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3825.115855][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.115855][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.115855][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.115855][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3825.115855][ T72] ipv6_add_addr+0x411/0x2000 [ 3825.115855][ T72] inet6_addr_add+0x30e/0xa40 [ 3825.115855][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.115855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.115855][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.115855][ T72] netlink_unicast+0x449/0x710 [ 3825.115855][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.115855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.115855][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.115855][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.115855][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.115855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.115855][ T72] [ 3825.117846][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3825.117846][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.117846][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.117846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.117846][ T72] ip6_route_add+0x1c/0x140 [ 3825.117846][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3825.117846][ T72] addrconf_add_dev+0xe2/0x170 [ 3825.117846][ T72] inet6_addr_add+0x12f/0xa40 [ 3825.117846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.117846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.117846][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.117846][ T72] netlink_unicast+0x449/0x710 [ 3825.117846][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.117846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.117846][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.117846][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.117846][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.117846][ T72] [ 3825.119803][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3825.119803][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3825.119803][ T72] ipv6_find_idev+0x102/0x170 [ 3825.119803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.119803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.119803][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.119803][ T72] netlink_unicast+0x449/0x710 [ 3825.119803][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.119803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.119803][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.119803][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.119803][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.119803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.119803][ T72] [ 3825.121349][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3825.121349][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3825.121349][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3825.121349][ T72] ipv6_find_idev+0x102/0x170 [ 3825.121349][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.121349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.121349][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.121349][ T72] netlink_unicast+0x449/0x710 [ 3825.121349][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.121349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.121349][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.121349][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.121349][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.121349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.121349][ T72] [ 3825.123078][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3825.123423][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3825.123423][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3825.123423][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3825.123423][ T72] fib6_nh_init+0xa22/0x1580 [ 3825.123423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.123423][ T72] ip6_route_add+0x1c/0x140 [ 3825.123423][ T72] inet6_rtm_newroute+0x104/0x110 [ 3825.123423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.123423][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.123423][ T72] netlink_unicast+0x449/0x710 [ 3825.123423][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.123423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.123423][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.123423][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.123423][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.123423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.123423][ T72] [ 3825.125630][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3825.125630][ T72] dst_init+0x84/0x4a0 [ 3825.125630][ T72] dst_alloc+0x97/0x150 [ 3825.125630][ T72] ip6_dst_alloc+0x23/0x90 [ 3825.125630][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3825.125630][ T72] ip6_pol_route+0x56f/0x840 [ 3825.125630][ T72] fib6_rule_lookup+0x456/0x630 [ 3825.125630][ T72] ip6_route_input+0x59c/0xa50 [ 3825.125630][ T72] ipv6_rcv+0x397/0x810 [ 3825.125630][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3825.125630][ T72] process_backlog+0x101/0x620 [ 3825.125630][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3825.125630][ T72] net_rx_action+0x495/0xbe0 [ 3825.125630][ T72] __do_softirq+0x1b5/0x7f6 [ 3825.125630][ T72] [ 3825.127507][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3825.127507][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.127507][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.127507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.127507][ T72] ip6_route_add+0x1c/0x140 [ 3825.127507][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3825.127507][ T72] inet6_addr_add+0x4f8/0xa40 [ 3825.127507][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.127507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.127507][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.127507][ T72] netlink_unicast+0x449/0x710 [ 3825.127507][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.127507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.127507][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.127507][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.127507][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.127507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.127507][ T72] [ 3825.129821][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3825.129821][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.129821][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.129821][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.129821][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3825.129821][ T72] ipv6_add_addr+0x411/0x2000 [ 3825.129821][ T72] inet6_addr_add+0x30e/0xa40 [ 3825.129821][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.129821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.129821][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.129821][ T72] netlink_unicast+0x449/0x710 [ 3825.129821][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.129821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.129821][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.129821][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.129821][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.129821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.129821][ T72] [ 3825.132083][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3825.132083][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.132083][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.132083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.132083][ T72] ip6_route_add+0x1c/0x140 [ 3825.132083][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3825.132083][ T72] addrconf_add_dev+0xe2/0x170 [ 3825.132083][ T72] inet6_addr_add+0x12f/0xa40 [ 3825.132083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.132083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.132083][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.132083][ T72] netlink_unicast+0x449/0x710 [ 3825.132083][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.132083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.132083][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.132083][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.132083][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.132083][ T72] [ 3825.134421][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3825.134421][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3825.134421][ T72] ipv6_find_idev+0x102/0x170 [ 3825.134421][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.134421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.134421][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.134421][ T72] netlink_unicast+0x449/0x710 [ 3825.134421][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.134421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.134421][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.134421][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.134421][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.134421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.134421][ T72] [ 3825.136194][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3825.136194][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3825.136194][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3825.136194][ T72] ipv6_find_idev+0x102/0x170 [ 3825.136194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.136194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.136194][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.136194][ T72] netlink_unicast+0x449/0x710 [ 3825.136194][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.136194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.136194][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.136194][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.136194][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.136194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.136194][ T72] [ 3825.138111][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3825.138445][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3825.138445][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.138445][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.138445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.138445][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3825.138445][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3825.138445][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3825.138445][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3825.138445][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3825.138445][ T72] addrconf_dad_begin+0x310/0x670 [ 3825.138445][ T72] addrconf_dad_work+0x10b/0xab0 [ 3825.138445][ T72] process_one_work+0x84d/0x18a0 [ 3825.138445][ T72] worker_thread+0x587/0xd30 [ 3825.138445][ T72] kthread+0x28a/0x350 [ 3825.138445][ T72] ret_from_fork+0x31/0x70 [ 3825.138445][ T72] ret_from_fork_asm+0x1a/0x30 [ 3825.138445][ T72] [ 3825.140612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3825.140612][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.140612][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.140612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.140612][ T72] ip6_route_add+0x1c/0x140 [ 3825.140612][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3825.140612][ T72] inet6_addr_add+0x4f8/0xa40 [ 3825.140612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.140612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.140612][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.140612][ T72] netlink_unicast+0x449/0x710 [ 3825.140612][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.140612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.140612][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.140612][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.140612][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.140612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.140612][ T72] [ 3825.142918][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3825.142918][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.142918][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.142918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.142918][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3825.142918][ T72] ipv6_add_addr+0x411/0x2000 [ 3825.142918][ T72] inet6_addr_add+0x30e/0xa40 [ 3825.142918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.142918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.142918][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.142918][ T72] netlink_unicast+0x449/0x710 [ 3825.142918][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.142918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.142918][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.142918][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.142918][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.142918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.142918][ T72] [ 3825.145354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3825.145354][ T72] netdev_get_by_index+0x5e/0x80 [ 3825.145354][ T72] fib6_nh_init+0x3d8/0x1580 [ 3825.145354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3825.145354][ T72] ip6_route_add+0x1c/0x140 [ 3825.145354][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3825.145354][ T72] addrconf_add_dev+0xe2/0x170 [ 3825.145354][ T72] inet6_addr_add+0x12f/0xa40 [ 3825.145354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.145354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.145354][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.145354][ T72] netlink_unicast+0x449/0x710 [ 3825.145354][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.145354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.145354][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.145354][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.145354][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.145354][ T72] [ 3825.147633][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3825.147633][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3825.147633][ T72] ipv6_find_idev+0x102/0x170 [ 3825.147633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.147633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.147633][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.147633][ T72] netlink_unicast+0x449/0x710 [ 3825.147633][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.147633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.147633][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.147633][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.147633][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.147633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.147633][ T72] [ 3825.149442][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3825.149442][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3825.149442][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3825.149442][ T72] ipv6_find_idev+0x102/0x170 [ 3825.149442][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.149442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.149442][ T72] netlink_rcv_skb+0x130/0x360 [ 3825.149442][ T72] netlink_unicast+0x449/0x710 [ 3825.149442][ T72] netlink_sendmsg+0x723/0xbe0 [ 3825.149442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3825.149442][ T72] ___sys_sendmsg+0xee/0x170 [ 3825.149442][ T72] __sys_sendmsg+0xcd/0x170 [ 3825.149442][ T72] do_syscall_64+0xc6/0x1e0 [ 3825.149442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.149442][ T72] [ 3835.392894][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3835.393403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3835.393403][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3835.393403][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3835.393403][ T72] fib6_nh_init+0xa22/0x1580 [ 3835.393403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.393403][ T72] ip6_route_add+0x1c/0x140 [ 3835.393403][ T72] inet6_rtm_newroute+0x104/0x110 [ 3835.393403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.393403][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.393403][ T72] netlink_unicast+0x449/0x710 [ 3835.393403][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.393403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.393403][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.393403][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.393403][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.393403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.393403][ T72] [ 3835.395387][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3835.395387][ T72] dst_init+0x84/0x4a0 [ 3835.395387][ T72] dst_alloc+0x97/0x150 [ 3835.395387][ T72] ip6_dst_alloc+0x23/0x90 [ 3835.395387][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3835.395387][ T72] ip6_pol_route+0x56f/0x840 [ 3835.395387][ T72] fib6_rule_lookup+0x456/0x630 [ 3835.395387][ T72] ip6_route_input+0x59c/0xa50 [ 3835.395387][ T72] ipv6_rcv+0x397/0x810 [ 3835.395387][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3835.395387][ T72] process_backlog+0x101/0x620 [ 3835.395387][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3835.395387][ T72] net_rx_action+0x495/0xbe0 [ 3835.395387][ T72] __do_softirq+0x1b5/0x7f6 [ 3835.395387][ T72] [ 3835.397052][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3835.397052][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.397052][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.397052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.397052][ T72] ip6_route_add+0x1c/0x140 [ 3835.397052][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3835.397052][ T72] inet6_addr_add+0x4f8/0xa40 [ 3835.397052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.397052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.397052][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.397052][ T72] netlink_unicast+0x449/0x710 [ 3835.397052][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.397052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.397052][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.397052][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.397052][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.397052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.397052][ T72] [ 3835.399253][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3835.399253][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.399253][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.399253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.399253][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3835.399253][ T72] ipv6_add_addr+0x411/0x2000 [ 3835.399253][ T72] inet6_addr_add+0x30e/0xa40 [ 3835.399253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.399253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.399253][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.399253][ T72] netlink_unicast+0x449/0x710 [ 3835.399253][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.399253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.399253][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.399253][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.399253][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.399253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.399253][ T72] [ 3835.401350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3835.401350][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.401350][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.401350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.401350][ T72] ip6_route_add+0x1c/0x140 [ 3835.401350][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3835.401350][ T72] addrconf_add_dev+0xe2/0x170 [ 3835.401350][ T72] inet6_addr_add+0x12f/0xa40 [ 3835.401350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.401350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.401350][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.401350][ T72] netlink_unicast+0x449/0x710 [ 3835.401350][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.401350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.401350][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.401350][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.401350][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.401350][ T72] [ 3835.403371][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3835.403371][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3835.403371][ T72] ipv6_find_idev+0x102/0x170 [ 3835.403371][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.403371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.403371][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.403371][ T72] netlink_unicast+0x449/0x710 [ 3835.403371][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.403371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.403371][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.403371][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.403371][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.403371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.403371][ T72] [ 3835.404964][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3835.404964][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3835.404964][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3835.404964][ T72] ipv6_find_idev+0x102/0x170 [ 3835.404964][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.404964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.404964][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.404964][ T72] netlink_unicast+0x449/0x710 [ 3835.404964][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.404964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.404964][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.404964][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.404964][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.404964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.404964][ T72] [ 3835.406708][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3835.407001][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3835.407001][ T72] dst_init+0x84/0x4a0 [ 3835.407001][ T72] dst_alloc+0x97/0x150 [ 3835.407001][ T72] ip6_dst_alloc+0x23/0x90 [ 3835.407001][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3835.407001][ T72] ip6_pol_route+0x56f/0x840 [ 3835.407001][ T72] fib6_rule_lookup+0x456/0x630 [ 3835.407001][ T72] ip6_route_input+0x59c/0xa50 [ 3835.407001][ T72] ipv6_rcv+0x397/0x810 [ 3835.407001][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3835.407001][ T72] process_backlog+0x101/0x620 [ 3835.407001][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3835.407001][ T72] net_rx_action+0x495/0xbe0 [ 3835.407001][ T72] __do_softirq+0x1b5/0x7f6 [ 3835.407001][ T72] [ 3835.408700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3835.408700][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.408700][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.408700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.408700][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3835.408700][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3835.408700][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3835.408700][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3835.408700][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3835.408700][ T72] addrconf_dad_begin+0x310/0x670 [ 3835.408700][ T72] addrconf_dad_work+0x10b/0xab0 [ 3835.408700][ T72] process_one_work+0x84d/0x18a0 [ 3835.408700][ T72] worker_thread+0x587/0xd30 [ 3835.408700][ T72] kthread+0x28a/0x350 [ 3835.408700][ T72] ret_from_fork+0x31/0x70 [ 3835.408700][ T72] ret_from_fork_asm+0x1a/0x30 [ 3835.408700][ T72] [ 3835.410693][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3835.410693][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.410693][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.410693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.410693][ T72] ip6_route_add+0x1c/0x140 [ 3835.410693][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3835.410693][ T72] inet6_addr_add+0x4f8/0xa40 [ 3835.410693][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.410693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.410693][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.410693][ T72] netlink_unicast+0x449/0x710 [ 3835.410693][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.410693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.410693][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.410693][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.410693][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.410693][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.410693][ T72] [ 3835.412784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3835.412784][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.412784][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.412784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.412784][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3835.412784][ T72] ipv6_add_addr+0x411/0x2000 [ 3835.412784][ T72] inet6_addr_add+0x30e/0xa40 [ 3835.412784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.412784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.412784][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.412784][ T72] netlink_unicast+0x449/0x710 [ 3835.412784][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.412784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.412784][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.412784][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.412784][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.412784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.412784][ T72] [ 3835.414846][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3835.414846][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.414846][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.414846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.414846][ T72] ip6_route_add+0x1c/0x140 [ 3835.414846][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3835.414846][ T72] addrconf_add_dev+0xe2/0x170 [ 3835.414846][ T72] inet6_addr_add+0x12f/0xa40 [ 3835.414846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.414846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.414846][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.414846][ T72] netlink_unicast+0x449/0x710 [ 3835.414846][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.414846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.414846][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.414846][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.414846][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.414846][ T72] [ 3835.416891][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3835.416891][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3835.416891][ T72] ipv6_find_idev+0x102/0x170 [ 3835.416891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.416891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.416891][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.416891][ T72] netlink_unicast+0x449/0x710 [ 3835.416891][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.416891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.416891][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.416891][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.416891][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.416891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.416891][ T72] [ 3835.418482][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3835.418482][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3835.418482][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3835.418482][ T72] ipv6_find_idev+0x102/0x170 [ 3835.418482][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.418482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.418482][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.418482][ T72] netlink_unicast+0x449/0x710 [ 3835.418482][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.418482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.418482][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.418482][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.418482][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.418482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.418482][ T72] [ 3835.420302][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3835.420635][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3835.420635][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3835.420635][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3835.420635][ T72] fib6_nh_init+0xa22/0x1580 [ 3835.420635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.420635][ T72] ip6_route_add+0x1c/0x140 [ 3835.420635][ T72] inet6_rtm_newroute+0x104/0x110 [ 3835.420635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.420635][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.420635][ T72] netlink_unicast+0x449/0x710 [ 3835.420635][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.420635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.420635][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.420635][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.420635][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.420635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.420635][ T72] [ 3835.422826][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3835.422826][ T72] dst_init+0x84/0x4a0 [ 3835.422826][ T72] dst_alloc+0x97/0x150 [ 3835.422826][ T72] ip6_dst_alloc+0x23/0x90 [ 3835.422826][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3835.422826][ T72] ip6_pol_route+0x56f/0x840 [ 3835.422826][ T72] fib6_rule_lookup+0x456/0x630 [ 3835.422826][ T72] ip6_route_input+0x59c/0xa50 [ 3835.422826][ T72] ipv6_rcv+0x397/0x810 [ 3835.422826][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3835.422826][ T72] process_backlog+0x101/0x620 [ 3835.422826][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3835.422826][ T72] net_rx_action+0x495/0xbe0 [ 3835.422826][ T72] __do_softirq+0x1b5/0x7f6 [ 3835.422826][ T72] [ 3835.424701][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3835.424701][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.424701][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.424701][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.424701][ T72] ip6_route_add+0x1c/0x140 [ 3835.424701][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3835.424701][ T72] inet6_addr_add+0x4f8/0xa40 [ 3835.424701][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.424701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.424701][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.424701][ T72] netlink_unicast+0x449/0x710 [ 3835.424701][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.424701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.424701][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.424701][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.424701][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.424701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.424701][ T72] [ 3835.427013][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3835.427013][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.427013][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.427013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.427013][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3835.427013][ T72] ipv6_add_addr+0x411/0x2000 [ 3835.427013][ T72] inet6_addr_add+0x30e/0xa40 [ 3835.427013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.427013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.427013][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.427013][ T72] netlink_unicast+0x449/0x710 [ 3835.427013][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.427013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.427013][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.427013][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.427013][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.427013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.427013][ T72] [ 3835.429277][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3835.429277][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.429277][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.429277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.429277][ T72] ip6_route_add+0x1c/0x140 [ 3835.429277][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3835.429277][ T72] addrconf_add_dev+0xe2/0x170 [ 3835.429277][ T72] inet6_addr_add+0x12f/0xa40 [ 3835.429277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.429277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.429277][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.429277][ T72] netlink_unicast+0x449/0x710 [ 3835.429277][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.429277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.429277][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.429277][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.429277][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.429277][ T72] [ 3835.431622][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3835.431622][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3835.431622][ T72] ipv6_find_idev+0x102/0x170 [ 3835.431622][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.431622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.431622][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.431622][ T72] netlink_unicast+0x449/0x710 [ 3835.431622][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.431622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.431622][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.431622][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.431622][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.431622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.431622][ T72] [ 3835.433400][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3835.433400][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3835.433400][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3835.433400][ T72] ipv6_find_idev+0x102/0x170 [ 3835.433400][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.433400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.433400][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.433400][ T72] netlink_unicast+0x449/0x710 [ 3835.433400][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.433400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.433400][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.433400][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.433400][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.433400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.433400][ T72] [ 3835.435316][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3835.435671][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3835.435671][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.435671][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.435671][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.435671][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3835.435671][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3835.435671][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3835.435671][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3835.435671][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3835.435671][ T72] addrconf_dad_begin+0x310/0x670 [ 3835.435671][ T72] addrconf_dad_work+0x10b/0xab0 [ 3835.435671][ T72] process_one_work+0x84d/0x18a0 [ 3835.435671][ T72] worker_thread+0x587/0xd30 [ 3835.435671][ T72] kthread+0x28a/0x350 [ 3835.435671][ T72] ret_from_fork+0x31/0x70 [ 3835.435671][ T72] ret_from_fork_asm+0x1a/0x30 [ 3835.435671][ T72] [ 3835.437826][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3835.437826][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.437826][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.437826][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.437826][ T72] ip6_route_add+0x1c/0x140 [ 3835.437826][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3835.437826][ T72] inet6_addr_add+0x4f8/0xa40 [ 3835.437826][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.437826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.437826][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.437826][ T72] netlink_unicast+0x449/0x710 [ 3835.437826][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.437826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.437826][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.437826][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.437826][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.437826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.437826][ T72] [ 3835.440142][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3835.440142][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.440142][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.440142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.440142][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3835.440142][ T72] ipv6_add_addr+0x411/0x2000 [ 3835.440142][ T72] inet6_addr_add+0x30e/0xa40 [ 3835.440142][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.440142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.440142][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.440142][ T72] netlink_unicast+0x449/0x710 [ 3835.440142][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.440142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.440142][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.440142][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.440142][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.440142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.440142][ T72] [ 3835.442506][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3835.442506][ T72] netdev_get_by_index+0x5e/0x80 [ 3835.442506][ T72] fib6_nh_init+0x3d8/0x1580 [ 3835.442506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3835.442506][ T72] ip6_route_add+0x1c/0x140 [ 3835.442506][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3835.442506][ T72] addrconf_add_dev+0xe2/0x170 [ 3835.442506][ T72] inet6_addr_add+0x12f/0xa40 [ 3835.442506][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.442506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.442506][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.442506][ T72] netlink_unicast+0x449/0x710 [ 3835.442506][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.442506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.442506][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.442506][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.442506][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.442506][ T72] [ 3835.444778][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3835.444778][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3835.444778][ T72] ipv6_find_idev+0x102/0x170 [ 3835.444778][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.444778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.444778][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.444778][ T72] netlink_unicast+0x449/0x710 [ 3835.444778][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.444778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.444778][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.444778][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.444778][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.444778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.444778][ T72] [ 3835.446533][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3835.446533][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3835.446533][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3835.446533][ T72] ipv6_find_idev+0x102/0x170 [ 3835.446533][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.446533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.446533][ T72] netlink_rcv_skb+0x130/0x360 [ 3835.446533][ T72] netlink_unicast+0x449/0x710 [ 3835.446533][ T72] netlink_sendmsg+0x723/0xbe0 [ 3835.446533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3835.446533][ T72] ___sys_sendmsg+0xee/0x170 [ 3835.446533][ T72] __sys_sendmsg+0xcd/0x170 [ 3835.446533][ T72] do_syscall_64+0xc6/0x1e0 [ 3835.446533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.446533][ T72] [ 3845.464911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3845.465422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3845.465422][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3845.465422][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3845.465422][ T72] fib6_nh_init+0xa22/0x1580 [ 3845.465422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.465422][ T72] ip6_route_add+0x1c/0x140 [ 3845.465422][ T72] inet6_rtm_newroute+0x104/0x110 [ 3845.465422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.465422][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.465422][ T72] netlink_unicast+0x449/0x710 [ 3845.465422][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.465422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.465422][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.465422][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.465422][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.465422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.465422][ T72] [ 3845.467405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3845.467405][ T72] dst_init+0x84/0x4a0 [ 3845.467405][ T72] dst_alloc+0x97/0x150 [ 3845.467405][ T72] ip6_dst_alloc+0x23/0x90 [ 3845.467405][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3845.467405][ T72] ip6_pol_route+0x56f/0x840 [ 3845.467405][ T72] fib6_rule_lookup+0x456/0x630 [ 3845.467405][ T72] ip6_route_input+0x59c/0xa50 [ 3845.467405][ T72] ipv6_rcv+0x397/0x810 [ 3845.467405][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3845.467405][ T72] process_backlog+0x101/0x620 [ 3845.467405][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3845.467405][ T72] net_rx_action+0x495/0xbe0 [ 3845.467405][ T72] __do_softirq+0x1b5/0x7f6 [ 3845.467405][ T72] [ 3845.469082][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3845.469082][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.469082][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.469082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.469082][ T72] ip6_route_add+0x1c/0x140 [ 3845.469082][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3845.469082][ T72] inet6_addr_add+0x4f8/0xa40 [ 3845.469082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.469082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.469082][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.469082][ T72] netlink_unicast+0x449/0x710 [ 3845.469082][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.469082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.469082][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.469082][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.469082][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.469082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.469082][ T72] [ 3845.471212][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3845.471212][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.471212][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.471212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.471212][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3845.471212][ T72] ipv6_add_addr+0x411/0x2000 [ 3845.471212][ T72] inet6_addr_add+0x30e/0xa40 [ 3845.471212][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.471212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.471212][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.471212][ T72] netlink_unicast+0x449/0x710 [ 3845.471212][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.471212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.471212][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.471212][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.471212][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.471212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.471212][ T72] [ 3845.473302][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3845.473302][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.473302][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.473302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.473302][ T72] ip6_route_add+0x1c/0x140 [ 3845.473302][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3845.473302][ T72] addrconf_add_dev+0xe2/0x170 [ 3845.473302][ T72] inet6_addr_add+0x12f/0xa40 [ 3845.473302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.473302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.473302][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.473302][ T72] netlink_unicast+0x449/0x710 [ 3845.473302][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.473302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.473302][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.473302][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.473302][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.473302][ T72] [ 3845.475358][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3845.475358][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3845.475358][ T72] ipv6_find_idev+0x102/0x170 [ 3845.475358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.475358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.475358][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.475358][ T72] netlink_unicast+0x449/0x710 [ 3845.475358][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.475358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.475358][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.475358][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.475358][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.475358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.475358][ T72] [ 3845.476955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3845.476955][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3845.476955][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3845.476955][ T72] ipv6_find_idev+0x102/0x170 [ 3845.476955][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.476955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.476955][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.476955][ T72] netlink_unicast+0x449/0x710 [ 3845.476955][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.476955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.476955][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.476955][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.476955][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.476955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.476955][ T72] [ 3845.478692][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3845.479015][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3845.479015][ T72] dst_init+0x84/0x4a0 [ 3845.479015][ T72] dst_alloc+0x97/0x150 [ 3845.479015][ T72] ip6_dst_alloc+0x23/0x90 [ 3845.479015][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3845.479015][ T72] ip6_pol_route+0x56f/0x840 [ 3845.479015][ T72] fib6_rule_lookup+0x456/0x630 [ 3845.479015][ T72] ip6_route_input+0x59c/0xa50 [ 3845.479015][ T72] ipv6_rcv+0x397/0x810 [ 3845.479015][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3845.479015][ T72] process_backlog+0x101/0x620 [ 3845.479015][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3845.479015][ T72] net_rx_action+0x495/0xbe0 [ 3845.479015][ T72] __do_softirq+0x1b5/0x7f6 [ 3845.479015][ T72] [ 3845.480747][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3845.480747][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.480747][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.480747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.480747][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3845.480747][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3845.480747][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3845.480747][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3845.480747][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3845.480747][ T72] addrconf_dad_begin+0x310/0x670 [ 3845.480747][ T72] addrconf_dad_work+0x10b/0xab0 [ 3845.480747][ T72] process_one_work+0x84d/0x18a0 [ 3845.480747][ T72] worker_thread+0x587/0xd30 [ 3845.480747][ T72] kthread+0x28a/0x350 [ 3845.480747][ T72] ret_from_fork+0x31/0x70 [ 3845.480747][ T72] ret_from_fork_asm+0x1a/0x30 [ 3845.480747][ T72] [ 3845.482726][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3845.482726][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.482726][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.482726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.482726][ T72] ip6_route_add+0x1c/0x140 [ 3845.482726][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3845.482726][ T72] inet6_addr_add+0x4f8/0xa40 [ 3845.482726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.482726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.482726][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.482726][ T72] netlink_unicast+0x449/0x710 [ 3845.482726][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.482726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.482726][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.482726][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.482726][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.482726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.482726][ T72] [ 3845.484807][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3845.484807][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.484807][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.484807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.484807][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3845.484807][ T72] ipv6_add_addr+0x411/0x2000 [ 3845.484807][ T72] inet6_addr_add+0x30e/0xa40 [ 3845.484807][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.484807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.484807][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.484807][ T72] netlink_unicast+0x449/0x710 [ 3845.484807][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.484807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.484807][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.484807][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.484807][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.484807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.484807][ T72] [ 3845.486759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3845.486759][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.486759][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.486759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.486759][ T72] ip6_route_add+0x1c/0x140 [ 3845.486759][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3845.486759][ T72] addrconf_add_dev+0xe2/0x170 [ 3845.486759][ T72] inet6_addr_add+0x12f/0xa40 [ 3845.486759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.486759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.486759][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.486759][ T72] netlink_unicast+0x449/0x710 [ 3845.486759][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.486759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.486759][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.486759][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.486759][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.486759][ T72] [ 3845.488845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3845.488845][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3845.488845][ T72] ipv6_find_idev+0x102/0x170 [ 3845.488845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.488845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.488845][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.488845][ T72] netlink_unicast+0x449/0x710 [ 3845.488845][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.488845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.488845][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.488845][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.488845][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.488845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.488845][ T72] [ 3845.490463][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3845.490463][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3845.490463][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3845.490463][ T72] ipv6_find_idev+0x102/0x170 [ 3845.490463][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.490463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.490463][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.490463][ T72] netlink_unicast+0x449/0x710 [ 3845.490463][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.490463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.490463][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.490463][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.490463][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.490463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.490463][ T72] [ 3845.492350][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3845.492635][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3845.492635][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3845.492635][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3845.492635][ T72] fib6_nh_init+0xa22/0x1580 [ 3845.492635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.492635][ T72] ip6_route_add+0x1c/0x140 [ 3845.492635][ T72] inet6_rtm_newroute+0x104/0x110 [ 3845.492635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.492635][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.492635][ T72] netlink_unicast+0x449/0x710 [ 3845.492635][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.492635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.492635][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.492635][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.492635][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.492635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.492635][ T72] [ 3845.494907][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3845.494907][ T72] dst_init+0x84/0x4a0 [ 3845.494907][ T72] dst_alloc+0x97/0x150 [ 3845.494907][ T72] ip6_dst_alloc+0x23/0x90 [ 3845.494907][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3845.494907][ T72] ip6_pol_route+0x56f/0x840 [ 3845.494907][ T72] fib6_rule_lookup+0x456/0x630 [ 3845.494907][ T72] ip6_route_input+0x59c/0xa50 [ 3845.494907][ T72] ipv6_rcv+0x397/0x810 [ 3845.494907][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3845.494907][ T72] process_backlog+0x101/0x620 [ 3845.494907][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3845.494907][ T72] net_rx_action+0x495/0xbe0 [ 3845.494907][ T72] __do_softirq+0x1b5/0x7f6 [ 3845.494907][ T72] [ 3845.496804][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3845.496804][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.496804][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.496804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.496804][ T72] ip6_route_add+0x1c/0x140 [ 3845.496804][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3845.496804][ T72] inet6_addr_add+0x4f8/0xa40 [ 3845.496804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.496804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.496804][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.496804][ T72] netlink_unicast+0x449/0x710 [ 3845.496804][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.496804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.496804][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.496804][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.496804][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.496804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.496804][ T72] [ 3845.499136][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3845.499136][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.499136][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.499136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.499136][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3845.499136][ T72] ipv6_add_addr+0x411/0x2000 [ 3845.499136][ T72] inet6_addr_add+0x30e/0xa40 [ 3845.499136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.499136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.499136][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.499136][ T72] netlink_unicast+0x449/0x710 [ 3845.499136][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.499136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.499136][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.499136][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.499136][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.499136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.499136][ T72] [ 3845.501431][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3845.501431][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.501431][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.501431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.501431][ T72] ip6_route_add+0x1c/0x140 [ 3845.501431][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3845.501431][ T72] addrconf_add_dev+0xe2/0x170 [ 3845.501431][ T72] inet6_addr_add+0x12f/0xa40 [ 3845.501431][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.501431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.501431][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.501431][ T72] netlink_unicast+0x449/0x710 [ 3845.501431][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.501431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.501431][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.501431][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.501431][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.501431][ T72] [ 3845.503790][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3845.503790][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3845.503790][ T72] ipv6_find_idev+0x102/0x170 [ 3845.503790][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.503790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.503790][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.503790][ T72] netlink_unicast+0x449/0x710 [ 3845.503790][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.503790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.503790][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.503790][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.503790][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.503790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.503790][ T72] [ 3845.505584][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3845.505584][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3845.505584][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3845.505584][ T72] ipv6_find_idev+0x102/0x170 [ 3845.505584][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.505584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.505584][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.505584][ T72] netlink_unicast+0x449/0x710 [ 3845.505584][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.505584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.505584][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.505584][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.505584][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.505584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.505584][ T72] [ 3845.507543][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3845.508353][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3845.508353][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.508353][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.508353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.508353][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3845.508353][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3845.508353][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3845.508353][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3845.508353][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3845.508353][ T72] addrconf_dad_begin+0x310/0x670 [ 3845.508353][ T72] addrconf_dad_work+0x10b/0xab0 [ 3845.508353][ T72] process_one_work+0x84d/0x18a0 [ 3845.508353][ T72] worker_thread+0x587/0xd30 [ 3845.508353][ T72] kthread+0x28a/0x350 [ 3845.508353][ T72] ret_from_fork+0x31/0x70 [ 3845.508353][ T72] ret_from_fork_asm+0x1a/0x30 [ 3845.508353][ T72] [ 3845.510359][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3845.510359][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.510359][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.510359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.510359][ T72] ip6_route_add+0x1c/0x140 [ 3845.510359][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3845.510359][ T72] inet6_addr_add+0x4f8/0xa40 [ 3845.510359][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.510359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.510359][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.510359][ T72] netlink_unicast+0x449/0x710 [ 3845.510359][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.510359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.510359][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.510359][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.510359][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.510359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.510359][ T72] [ 3845.512473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3845.512473][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.512473][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.512473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.512473][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3845.512473][ T72] ipv6_add_addr+0x411/0x2000 [ 3845.512473][ T72] inet6_addr_add+0x30e/0xa40 [ 3845.512473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.512473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.512473][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.512473][ T72] netlink_unicast+0x449/0x710 [ 3845.512473][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.512473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.512473][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.512473][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.512473][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.512473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.512473][ T72] [ 3845.514805][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3845.514805][ T72] netdev_get_by_index+0x5e/0x80 [ 3845.514805][ T72] fib6_nh_init+0x3d8/0x1580 [ 3845.514805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3845.514805][ T72] ip6_route_add+0x1c/0x140 [ 3845.514805][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3845.514805][ T72] addrconf_add_dev+0xe2/0x170 [ 3845.514805][ T72] inet6_addr_add+0x12f/0xa40 [ 3845.514805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.514805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.514805][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.514805][ T72] netlink_unicast+0x449/0x710 [ 3845.514805][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.514805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.514805][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.514805][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.514805][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.514805][ T72] [ 3845.517138][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3845.517138][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3845.517138][ T72] ipv6_find_idev+0x102/0x170 [ 3845.517138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.517138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.517138][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.517138][ T72] netlink_unicast+0x449/0x710 [ 3845.517138][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.517138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.517138][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.517138][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.517138][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.517138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.517138][ T72] [ 3845.518935][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3845.518935][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3845.518935][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3845.518935][ T72] ipv6_find_idev+0x102/0x170 [ 3845.518935][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.518935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.518935][ T72] netlink_rcv_skb+0x130/0x360 [ 3845.518935][ T72] netlink_unicast+0x449/0x710 [ 3845.518935][ T72] netlink_sendmsg+0x723/0xbe0 [ 3845.518935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3845.518935][ T72] ___sys_sendmsg+0xee/0x170 [ 3845.518935][ T72] __sys_sendmsg+0xcd/0x170 [ 3845.518935][ T72] do_syscall_64+0xc6/0x1e0 [ 3845.518935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.518935][ T72] [ 3855.760912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3855.761432][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3855.761432][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3855.761432][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3855.761432][ T72] fib6_nh_init+0xa22/0x1580 [ 3855.761432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.761432][ T72] ip6_route_add+0x1c/0x140 [ 3855.761432][ T72] inet6_rtm_newroute+0x104/0x110 [ 3855.761432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.761432][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.761432][ T72] netlink_unicast+0x449/0x710 [ 3855.761432][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.761432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.761432][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.761432][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.761432][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.761432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.761432][ T72] [ 3855.763376][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3855.763376][ T72] dst_init+0x84/0x4a0 [ 3855.763376][ T72] dst_alloc+0x97/0x150 [ 3855.763376][ T72] ip6_dst_alloc+0x23/0x90 [ 3855.763376][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3855.763376][ T72] ip6_pol_route+0x56f/0x840 [ 3855.763376][ T72] fib6_rule_lookup+0x456/0x630 [ 3855.763376][ T72] ip6_route_input+0x59c/0xa50 [ 3855.763376][ T72] ipv6_rcv+0x397/0x810 [ 3855.763376][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3855.763376][ T72] process_backlog+0x101/0x620 [ 3855.763376][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3855.763376][ T72] net_rx_action+0x495/0xbe0 [ 3855.763376][ T72] __do_softirq+0x1b5/0x7f6 [ 3855.763376][ T72] [ 3855.765090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3855.765090][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.765090][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.765090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.765090][ T72] ip6_route_add+0x1c/0x140 [ 3855.765090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3855.765090][ T72] inet6_addr_add+0x4f8/0xa40 [ 3855.765090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.765090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.765090][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.765090][ T72] netlink_unicast+0x449/0x710 [ 3855.765090][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.765090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.765090][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.765090][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.765090][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.765090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.765090][ T72] [ 3855.767161][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3855.767161][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.767161][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.767161][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.767161][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3855.767161][ T72] ipv6_add_addr+0x411/0x2000 [ 3855.767161][ T72] inet6_addr_add+0x30e/0xa40 [ 3855.767161][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.767161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.767161][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.767161][ T72] netlink_unicast+0x449/0x710 [ 3855.767161][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.767161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.767161][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.767161][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.767161][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.767161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.767161][ T72] [ 3855.769262][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3855.769262][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.769262][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.769262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.769262][ T72] ip6_route_add+0x1c/0x140 [ 3855.769262][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3855.769262][ T72] addrconf_add_dev+0xe2/0x170 [ 3855.769262][ T72] inet6_addr_add+0x12f/0xa40 [ 3855.769262][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.769262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.769262][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.769262][ T72] netlink_unicast+0x449/0x710 [ 3855.769262][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.769262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.769262][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.769262][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.769262][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.769262][ T72] [ 3855.771299][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3855.771299][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3855.771299][ T72] ipv6_find_idev+0x102/0x170 [ 3855.771299][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.771299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.771299][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.771299][ T72] netlink_unicast+0x449/0x710 [ 3855.771299][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.771299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.771299][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.771299][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.771299][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.771299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.771299][ T72] [ 3855.772902][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3855.772902][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3855.772902][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3855.772902][ T72] ipv6_find_idev+0x102/0x170 [ 3855.772902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.772902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.772902][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.772902][ T72] netlink_unicast+0x449/0x710 [ 3855.772902][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.772902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.772902][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.772902][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.772902][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.772902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.772902][ T72] [ 3855.774694][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3855.775010][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3855.775010][ T72] dst_init+0x84/0x4a0 [ 3855.775010][ T72] dst_alloc+0x97/0x150 [ 3855.775010][ T72] ip6_dst_alloc+0x23/0x90 [ 3855.775010][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3855.775010][ T72] ip6_pol_route+0x56f/0x840 [ 3855.775010][ T72] fib6_rule_lookup+0x456/0x630 [ 3855.775010][ T72] ip6_route_input+0x59c/0xa50 [ 3855.775010][ T72] ipv6_rcv+0x397/0x810 [ 3855.775010][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3855.775010][ T72] process_backlog+0x101/0x620 [ 3855.775010][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3855.775010][ T72] net_rx_action+0x495/0xbe0 [ 3855.775010][ T72] __do_softirq+0x1b5/0x7f6 [ 3855.775010][ T72] [ 3855.776746][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3855.776746][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.776746][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.776746][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.776746][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3855.776746][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3855.776746][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3855.776746][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3855.776746][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3855.776746][ T72] addrconf_dad_begin+0x310/0x670 [ 3855.776746][ T72] addrconf_dad_work+0x10b/0xab0 [ 3855.776746][ T72] process_one_work+0x84d/0x18a0 [ 3855.776746][ T72] worker_thread+0x587/0xd30 [ 3855.776746][ T72] kthread+0x28a/0x350 [ 3855.776746][ T72] ret_from_fork+0x31/0x70 [ 3855.776746][ T72] ret_from_fork_asm+0x1a/0x30 [ 3855.776746][ T72] [ 3855.778726][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3855.778726][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.778726][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.778726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.778726][ T72] ip6_route_add+0x1c/0x140 [ 3855.778726][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3855.778726][ T72] inet6_addr_add+0x4f8/0xa40 [ 3855.778726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.778726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.778726][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.778726][ T72] netlink_unicast+0x449/0x710 [ 3855.778726][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.778726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.778726][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.778726][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.778726][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.778726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.778726][ T72] [ 3855.780796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3855.780796][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.780796][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.780796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.780796][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3855.780796][ T72] ipv6_add_addr+0x411/0x2000 [ 3855.780796][ T72] inet6_addr_add+0x30e/0xa40 [ 3855.780796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.780796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.780796][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.780796][ T72] netlink_unicast+0x449/0x710 [ 3855.780796][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.780796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.780796][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.780796][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.780796][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.780796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.780796][ T72] [ 3855.782924][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3855.782924][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.782924][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.782924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.782924][ T72] ip6_route_add+0x1c/0x140 [ 3855.782924][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3855.782924][ T72] addrconf_add_dev+0xe2/0x170 [ 3855.782924][ T72] inet6_addr_add+0x12f/0xa40 [ 3855.782924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.782924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.782924][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.782924][ T72] netlink_unicast+0x449/0x710 [ 3855.782924][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.782924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.782924][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.782924][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.782924][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.782924][ T72] [ 3855.784894][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3855.784894][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3855.784894][ T72] ipv6_find_idev+0x102/0x170 [ 3855.784894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.784894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.784894][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.784894][ T72] netlink_unicast+0x449/0x710 [ 3855.784894][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.784894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.784894][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.784894][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.784894][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.784894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.784894][ T72] [ 3855.786495][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3855.786495][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3855.786495][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3855.786495][ T72] ipv6_find_idev+0x102/0x170 [ 3855.786495][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.786495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.786495][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.786495][ T72] netlink_unicast+0x449/0x710 [ 3855.786495][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.786495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.786495][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.786495][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.786495][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.786495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.786495][ T72] [ 3855.788363][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3855.788655][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3855.788655][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3855.788655][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3855.788655][ T72] fib6_nh_init+0xa22/0x1580 [ 3855.788655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.788655][ T72] ip6_route_add+0x1c/0x140 [ 3855.788655][ T72] inet6_rtm_newroute+0x104/0x110 [ 3855.788655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.788655][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.788655][ T72] netlink_unicast+0x449/0x710 [ 3855.788655][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.788655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.788655][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.788655][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.788655][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.788655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.788655][ T72] [ 3855.790911][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3855.790911][ T72] dst_init+0x84/0x4a0 [ 3855.790911][ T72] dst_alloc+0x97/0x150 [ 3855.790911][ T72] ip6_dst_alloc+0x23/0x90 [ 3855.790911][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3855.790911][ T72] ip6_pol_route+0x56f/0x840 [ 3855.790911][ T72] fib6_rule_lookup+0x456/0x630 [ 3855.790911][ T72] ip6_route_input+0x59c/0xa50 [ 3855.790911][ T72] ipv6_rcv+0x397/0x810 [ 3855.790911][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3855.790911][ T72] process_backlog+0x101/0x620 [ 3855.790911][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3855.790911][ T72] net_rx_action+0x495/0xbe0 [ 3855.790911][ T72] __do_softirq+0x1b5/0x7f6 [ 3855.790911][ T72] [ 3855.792771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3855.792771][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.792771][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.792771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.792771][ T72] ip6_route_add+0x1c/0x140 [ 3855.792771][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3855.792771][ T72] inet6_addr_add+0x4f8/0xa40 [ 3855.792771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.792771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.792771][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.792771][ T72] netlink_unicast+0x449/0x710 [ 3855.792771][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.792771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.792771][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.792771][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.792771][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.792771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.792771][ T72] [ 3855.795037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3855.795037][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.795037][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.795037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.795037][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3855.795037][ T72] ipv6_add_addr+0x411/0x2000 [ 3855.795037][ T72] inet6_addr_add+0x30e/0xa40 [ 3855.795037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.795037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.795037][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.795037][ T72] netlink_unicast+0x449/0x710 [ 3855.795037][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.795037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.795037][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.795037][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.795037][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.795037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.795037][ T72] [ 3855.797275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3855.797275][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.797275][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.797275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.797275][ T72] ip6_route_add+0x1c/0x140 [ 3855.797275][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3855.797275][ T72] addrconf_add_dev+0xe2/0x170 [ 3855.797275][ T72] inet6_addr_add+0x12f/0xa40 [ 3855.797275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.797275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.797275][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.797275][ T72] netlink_unicast+0x449/0x710 [ 3855.797275][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.797275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.797275][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.797275][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.797275][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.797275][ T72] [ 3855.799571][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3855.799571][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3855.799571][ T72] ipv6_find_idev+0x102/0x170 [ 3855.799571][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.799571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.799571][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.799571][ T72] netlink_unicast+0x449/0x710 [ 3855.799571][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.799571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.799571][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.799571][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.799571][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.799571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.799571][ T72] [ 3855.801367][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3855.801367][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3855.801367][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3855.801367][ T72] ipv6_find_idev+0x102/0x170 [ 3855.801367][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.801367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.801367][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.801367][ T72] netlink_unicast+0x449/0x710 [ 3855.801367][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.801367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.801367][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.801367][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.801367][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.801367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.801367][ T72] [ 3855.803289][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3855.803635][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3855.803635][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.803635][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.803635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.803635][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3855.803635][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3855.803635][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3855.803635][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3855.803635][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3855.803635][ T72] addrconf_dad_begin+0x310/0x670 [ 3855.803635][ T72] addrconf_dad_work+0x10b/0xab0 [ 3855.803635][ T72] process_one_work+0x84d/0x18a0 [ 3855.803635][ T72] worker_thread+0x587/0xd30 [ 3855.803635][ T72] kthread+0x28a/0x350 [ 3855.803635][ T72] ret_from_fork+0x31/0x70 [ 3855.803635][ T72] ret_from_fork_asm+0x1a/0x30 [ 3855.803635][ T72] [ 3855.805729][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3855.805729][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.805729][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.805729][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.805729][ T72] ip6_route_add+0x1c/0x140 [ 3855.805729][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3855.805729][ T72] inet6_addr_add+0x4f8/0xa40 [ 3855.805729][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.805729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.805729][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.805729][ T72] netlink_unicast+0x449/0x710 [ 3855.805729][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.805729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.805729][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.805729][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.805729][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.805729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.805729][ T72] [ 3855.808024][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3855.808024][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.808024][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.808024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.808024][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3855.808024][ T72] ipv6_add_addr+0x411/0x2000 [ 3855.808024][ T72] inet6_addr_add+0x30e/0xa40 [ 3855.808024][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.808024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.808024][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.808024][ T72] netlink_unicast+0x449/0x710 [ 3855.808024][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.808024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.808024][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.808024][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.808024][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.808024][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.808024][ T72] [ 3855.810982][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3855.810982][ T72] netdev_get_by_index+0x5e/0x80 [ 3855.810982][ T72] fib6_nh_init+0x3d8/0x1580 [ 3855.810982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3855.810982][ T72] ip6_route_add+0x1c/0x140 [ 3855.810982][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3855.810982][ T72] addrconf_add_dev+0xe2/0x170 [ 3855.810982][ T72] inet6_addr_add+0x12f/0xa40 [ 3855.810982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.810982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.810982][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.810982][ T72] netlink_unicast+0x449/0x710 [ 3855.810982][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.810982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.810982][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.810982][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.810982][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.810982][ T72] [ 3855.813286][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3855.813286][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3855.813286][ T72] ipv6_find_idev+0x102/0x170 [ 3855.813286][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.813286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.813286][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.813286][ T72] netlink_unicast+0x449/0x710 [ 3855.813286][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.813286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.813286][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.813286][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.813286][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.813286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.813286][ T72] [ 3855.815089][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3855.815089][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3855.815089][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3855.815089][ T72] ipv6_find_idev+0x102/0x170 [ 3855.815089][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.815089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.815089][ T72] netlink_rcv_skb+0x130/0x360 [ 3855.815089][ T72] netlink_unicast+0x449/0x710 [ 3855.815089][ T72] netlink_sendmsg+0x723/0xbe0 [ 3855.815089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3855.815089][ T72] ___sys_sendmsg+0xee/0x170 [ 3855.815089][ T72] __sys_sendmsg+0xcd/0x170 [ 3855.815089][ T72] do_syscall_64+0xc6/0x1e0 [ 3855.815089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.815089][ T72] [ 3866.041008][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3866.041958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3866.041958][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3866.041958][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3866.041958][ T72] fib6_nh_init+0xa22/0x1580 [ 3866.041958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.041958][ T72] ip6_route_add+0x1c/0x140 [ 3866.041958][ T72] inet6_rtm_newroute+0x104/0x110 [ 3866.041958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.041958][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.041958][ T72] netlink_unicast+0x449/0x710 [ 3866.041958][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.041958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.041958][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.041958][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.041958][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.041958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.041958][ T72] [ 3866.043876][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3866.043876][ T72] dst_init+0x84/0x4a0 [ 3866.043876][ T72] dst_alloc+0x97/0x150 [ 3866.043876][ T72] ip6_dst_alloc+0x23/0x90 [ 3866.043876][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3866.043876][ T72] ip6_pol_route+0x56f/0x840 [ 3866.043876][ T72] fib6_rule_lookup+0x456/0x630 [ 3866.043876][ T72] ip6_route_input+0x59c/0xa50 [ 3866.043876][ T72] ipv6_rcv+0x397/0x810 [ 3866.043876][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3866.043876][ T72] process_backlog+0x101/0x620 [ 3866.043876][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3866.043876][ T72] net_rx_action+0x495/0xbe0 [ 3866.043876][ T72] __do_softirq+0x1b5/0x7f6 [ 3866.043876][ T72] [ 3866.045475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3866.045475][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.045475][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.045475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.045475][ T72] ip6_route_add+0x1c/0x140 [ 3866.045475][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3866.045475][ T72] inet6_addr_add+0x4f8/0xa40 [ 3866.045475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.045475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.045475][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.045475][ T72] netlink_unicast+0x449/0x710 [ 3866.045475][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.045475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.045475][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.045475][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.045475][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.045475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.045475][ T72] [ 3866.047465][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3866.047465][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.047465][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.047465][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.047465][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3866.047465][ T72] ipv6_add_addr+0x411/0x2000 [ 3866.047465][ T72] inet6_addr_add+0x30e/0xa40 [ 3866.047465][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.047465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.047465][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.047465][ T72] netlink_unicast+0x449/0x710 [ 3866.047465][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.047465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.047465][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.047465][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.047465][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.047465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.047465][ T72] [ 3866.049518][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3866.049518][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.049518][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.049518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.049518][ T72] ip6_route_add+0x1c/0x140 [ 3866.049518][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3866.049518][ T72] addrconf_add_dev+0xe2/0x170 [ 3866.049518][ T72] inet6_addr_add+0x12f/0xa40 [ 3866.049518][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.049518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.049518][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.049518][ T72] netlink_unicast+0x449/0x710 [ 3866.049518][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.049518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.049518][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.049518][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.049518][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.049518][ T72] [ 3866.051530][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3866.051530][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3866.051530][ T72] ipv6_find_idev+0x102/0x170 [ 3866.051530][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.051530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.051530][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.051530][ T72] netlink_unicast+0x449/0x710 [ 3866.051530][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.051530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.051530][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.051530][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.051530][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.051530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.051530][ T72] [ 3866.053123][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3866.053123][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3866.053123][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3866.053123][ T72] ipv6_find_idev+0x102/0x170 [ 3866.053123][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.053123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.053123][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.053123][ T72] netlink_unicast+0x449/0x710 [ 3866.053123][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.053123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.053123][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.053123][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.053123][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.053123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.053123][ T72] [ 3866.054876][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3866.055191][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3866.055191][ T72] dst_init+0x84/0x4a0 [ 3866.055191][ T72] dst_alloc+0x97/0x150 [ 3866.055191][ T72] ip6_dst_alloc+0x23/0x90 [ 3866.055191][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3866.055191][ T72] ip6_pol_route+0x56f/0x840 [ 3866.055191][ T72] fib6_rule_lookup+0x456/0x630 [ 3866.055191][ T72] ip6_route_input+0x59c/0xa50 [ 3866.055191][ T72] ipv6_rcv+0x397/0x810 [ 3866.055191][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3866.055191][ T72] process_backlog+0x101/0x620 [ 3866.055191][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3866.055191][ T72] net_rx_action+0x495/0xbe0 [ 3866.055191][ T72] __do_softirq+0x1b5/0x7f6 [ 3866.055191][ T72] [ 3866.057291][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3866.057291][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.057291][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.057291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.057291][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3866.057291][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3866.057291][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3866.057291][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3866.057291][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3866.057291][ T72] addrconf_dad_begin+0x310/0x670 [ 3866.057291][ T72] addrconf_dad_work+0x10b/0xab0 [ 3866.057291][ T72] process_one_work+0x84d/0x18a0 [ 3866.057291][ T72] worker_thread+0x587/0xd30 [ 3866.057291][ T72] kthread+0x28a/0x350 [ 3866.057291][ T72] ret_from_fork+0x31/0x70 [ 3866.057291][ T72] ret_from_fork_asm+0x1a/0x30 [ 3866.057291][ T72] [ 3866.059251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3866.059251][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.059251][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.059251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.059251][ T72] ip6_route_add+0x1c/0x140 [ 3866.059251][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3866.059251][ T72] inet6_addr_add+0x4f8/0xa40 [ 3866.059251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.059251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.059251][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.059251][ T72] netlink_unicast+0x449/0x710 [ 3866.059251][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.059251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.059251][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.059251][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.059251][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.059251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.059251][ T72] [ 3866.061392][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3866.061392][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.061392][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.061392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.061392][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3866.061392][ T72] ipv6_add_addr+0x411/0x2000 [ 3866.061392][ T72] inet6_addr_add+0x30e/0xa40 [ 3866.061392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.061392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.061392][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.061392][ T72] netlink_unicast+0x449/0x710 [ 3866.061392][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.061392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.061392][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.061392][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.061392][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.061392][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.061392][ T72] [ 3866.063407][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3866.063407][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.063407][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.063407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.063407][ T72] ip6_route_add+0x1c/0x140 [ 3866.063407][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3866.063407][ T72] addrconf_add_dev+0xe2/0x170 [ 3866.063407][ T72] inet6_addr_add+0x12f/0xa40 [ 3866.063407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.063407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.063407][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.063407][ T72] netlink_unicast+0x449/0x710 [ 3866.063407][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.063407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.063407][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.063407][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.063407][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.063407][ T72] [ 3866.065378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3866.065378][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3866.065378][ T72] ipv6_find_idev+0x102/0x170 [ 3866.065378][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.065378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.065378][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.065378][ T72] netlink_unicast+0x449/0x710 [ 3866.065378][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.065378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.065378][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.065378][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.065378][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.065378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.065378][ T72] [ 3866.066880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3866.066880][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3866.066880][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3866.066880][ T72] ipv6_find_idev+0x102/0x170 [ 3866.066880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.066880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.066880][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.066880][ T72] netlink_unicast+0x449/0x710 [ 3866.066880][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.066880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.066880][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.066880][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.066880][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.066880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.066880][ T72] [ 3866.068642][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3866.069001][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3866.069001][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3866.069001][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3866.069001][ T72] fib6_nh_init+0xa22/0x1580 [ 3866.069001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.069001][ T72] ip6_route_add+0x1c/0x140 [ 3866.069001][ T72] inet6_rtm_newroute+0x104/0x110 [ 3866.069001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.069001][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.069001][ T72] netlink_unicast+0x449/0x710 [ 3866.069001][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.069001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.069001][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.069001][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.069001][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.069001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.069001][ T72] [ 3866.071160][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3866.071160][ T72] dst_init+0x84/0x4a0 [ 3866.071160][ T72] dst_alloc+0x97/0x150 [ 3866.071160][ T72] ip6_dst_alloc+0x23/0x90 [ 3866.071160][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3866.071160][ T72] ip6_pol_route+0x56f/0x840 [ 3866.071160][ T72] fib6_rule_lookup+0x456/0x630 [ 3866.071160][ T72] ip6_route_input+0x59c/0xa50 [ 3866.071160][ T72] ipv6_rcv+0x397/0x810 [ 3866.071160][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3866.071160][ T72] process_backlog+0x101/0x620 [ 3866.071160][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3866.071160][ T72] net_rx_action+0x495/0xbe0 [ 3866.071160][ T72] __do_softirq+0x1b5/0x7f6 [ 3866.071160][ T72] [ 3866.072972][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3866.072972][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.072972][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.072972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.072972][ T72] ip6_route_add+0x1c/0x140 [ 3866.072972][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3866.072972][ T72] inet6_addr_add+0x4f8/0xa40 [ 3866.072972][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.072972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.072972][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.072972][ T72] netlink_unicast+0x449/0x710 [ 3866.072972][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.072972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.072972][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.072972][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.072972][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.072972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.072972][ T72] [ 3866.075229][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3866.075229][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.075229][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.075229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.075229][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3866.075229][ T72] ipv6_add_addr+0x411/0x2000 [ 3866.075229][ T72] inet6_addr_add+0x30e/0xa40 [ 3866.075229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.075229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.075229][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.075229][ T72] netlink_unicast+0x449/0x710 [ 3866.075229][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.075229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.075229][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.075229][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.075229][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.075229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.075229][ T72] [ 3866.077447][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3866.077447][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.077447][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.077447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.077447][ T72] ip6_route_add+0x1c/0x140 [ 3866.077447][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3866.077447][ T72] addrconf_add_dev+0xe2/0x170 [ 3866.077447][ T72] inet6_addr_add+0x12f/0xa40 [ 3866.077447][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.077447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.077447][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.077447][ T72] netlink_unicast+0x449/0x710 [ 3866.077447][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.077447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.077447][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.077447][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.077447][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.077447][ T72] [ 3866.079720][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3866.079720][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3866.079720][ T72] ipv6_find_idev+0x102/0x170 [ 3866.079720][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.079720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.079720][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.079720][ T72] netlink_unicast+0x449/0x710 [ 3866.079720][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.079720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.079720][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.079720][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.079720][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.079720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.079720][ T72] [ 3866.081461][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3866.081461][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3866.081461][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3866.081461][ T72] ipv6_find_idev+0x102/0x170 [ 3866.081461][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.081461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.081461][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.081461][ T72] netlink_unicast+0x449/0x710 [ 3866.081461][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.081461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.081461][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.081461][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.081461][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.081461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.081461][ T72] [ 3866.083332][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3866.083619][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3866.083619][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.083619][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.083619][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.083619][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3866.083619][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3866.083619][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3866.083619][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3866.083619][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3866.083619][ T72] addrconf_dad_begin+0x310/0x670 [ 3866.083619][ T72] addrconf_dad_work+0x10b/0xab0 [ 3866.083619][ T72] process_one_work+0x84d/0x18a0 [ 3866.083619][ T72] worker_thread+0x587/0xd30 [ 3866.083619][ T72] kthread+0x28a/0x350 [ 3866.083619][ T72] ret_from_fork+0x31/0x70 [ 3866.083619][ T72] ret_from_fork_asm+0x1a/0x30 [ 3866.083619][ T72] [ 3866.085774][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3866.085774][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.085774][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.085774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.085774][ T72] ip6_route_add+0x1c/0x140 [ 3866.085774][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3866.085774][ T72] inet6_addr_add+0x4f8/0xa40 [ 3866.085774][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.085774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.085774][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.085774][ T72] netlink_unicast+0x449/0x710 [ 3866.085774][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.085774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.085774][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.085774][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.085774][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.085774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.085774][ T72] [ 3866.087980][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3866.087980][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.087980][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.087980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.087980][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3866.087980][ T72] ipv6_add_addr+0x411/0x2000 [ 3866.087980][ T72] inet6_addr_add+0x30e/0xa40 [ 3866.087980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.087980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.087980][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.087980][ T72] netlink_unicast+0x449/0x710 [ 3866.087980][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.087980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.087980][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.087980][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.087980][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.087980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.087980][ T72] [ 3866.090312][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3866.090312][ T72] netdev_get_by_index+0x5e/0x80 [ 3866.090312][ T72] fib6_nh_init+0x3d8/0x1580 [ 3866.090312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3866.090312][ T72] ip6_route_add+0x1c/0x140 [ 3866.090312][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3866.090312][ T72] addrconf_add_dev+0xe2/0x170 [ 3866.090312][ T72] inet6_addr_add+0x12f/0xa40 [ 3866.090312][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.090312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.090312][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.090312][ T72] netlink_unicast+0x449/0x710 [ 3866.090312][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.090312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.090312][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.090312][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.090312][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.090312][ T72] [ 3866.092462][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3866.092462][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3866.092462][ T72] ipv6_find_idev+0x102/0x170 [ 3866.092462][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.092462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.092462][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.092462][ T72] netlink_unicast+0x449/0x710 [ 3866.092462][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.092462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.092462][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.092462][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.092462][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.092462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.092462][ T72] [ 3866.094196][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3866.094196][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3866.094196][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3866.094196][ T72] ipv6_find_idev+0x102/0x170 [ 3866.094196][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.094196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.094196][ T72] netlink_rcv_skb+0x130/0x360 [ 3866.094196][ T72] netlink_unicast+0x449/0x710 [ 3866.094196][ T72] netlink_sendmsg+0x723/0xbe0 [ 3866.094196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3866.094196][ T72] ___sys_sendmsg+0xee/0x170 [ 3866.094196][ T72] __sys_sendmsg+0xcd/0x170 [ 3866.094196][ T72] do_syscall_64+0xc6/0x1e0 [ 3866.094196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.094196][ T72] [ 3876.313000][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3876.313935][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3876.313935][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3876.313935][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3876.313935][ T72] fib6_nh_init+0xa22/0x1580 [ 3876.313935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.313935][ T72] ip6_route_add+0x1c/0x140 [ 3876.313935][ T72] inet6_rtm_newroute+0x104/0x110 [ 3876.313935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.313935][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.313935][ T72] netlink_unicast+0x449/0x710 [ 3876.313935][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.313935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.313935][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.313935][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.313935][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.313935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.313935][ T72] [ 3876.315761][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3876.315761][ T72] dst_init+0x84/0x4a0 [ 3876.315761][ T72] dst_alloc+0x97/0x150 [ 3876.315761][ T72] ip6_dst_alloc+0x23/0x90 [ 3876.315761][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3876.315761][ T72] ip6_pol_route+0x56f/0x840 [ 3876.315761][ T72] fib6_rule_lookup+0x456/0x630 [ 3876.315761][ T72] ip6_route_input+0x59c/0xa50 [ 3876.315761][ T72] ipv6_rcv+0x397/0x810 [ 3876.315761][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3876.315761][ T72] process_backlog+0x101/0x620 [ 3876.315761][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3876.315761][ T72] net_rx_action+0x495/0xbe0 [ 3876.315761][ T72] __do_softirq+0x1b5/0x7f6 [ 3876.315761][ T72] [ 3876.317395][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3876.317395][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.317395][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.317395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.317395][ T72] ip6_route_add+0x1c/0x140 [ 3876.317395][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3876.317395][ T72] inet6_addr_add+0x4f8/0xa40 [ 3876.317395][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.317395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.317395][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.317395][ T72] netlink_unicast+0x449/0x710 [ 3876.317395][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.317395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.317395][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.317395][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.317395][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.317395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.317395][ T72] [ 3876.319269][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3876.319269][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.319269][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.319269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.319269][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3876.319269][ T72] ipv6_add_addr+0x411/0x2000 [ 3876.319269][ T72] inet6_addr_add+0x30e/0xa40 [ 3876.319269][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.319269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.319269][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.319269][ T72] netlink_unicast+0x449/0x710 [ 3876.319269][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.319269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.319269][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.319269][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.319269][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.319269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.319269][ T72] [ 3876.321235][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3876.321235][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.321235][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.321235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.321235][ T72] ip6_route_add+0x1c/0x140 [ 3876.321235][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3876.321235][ T72] addrconf_add_dev+0xe2/0x170 [ 3876.321235][ T72] inet6_addr_add+0x12f/0xa40 [ 3876.321235][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.321235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.321235][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.321235][ T72] netlink_unicast+0x449/0x710 [ 3876.321235][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.321235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.321235][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.321235][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.321235][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.321235][ T72] [ 3876.323240][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3876.323240][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3876.323240][ T72] ipv6_find_idev+0x102/0x170 [ 3876.323240][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.323240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.323240][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.323240][ T72] netlink_unicast+0x449/0x710 [ 3876.323240][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.323240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.323240][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.323240][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.323240][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.323240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.323240][ T72] [ 3876.324781][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3876.324781][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3876.324781][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3876.324781][ T72] ipv6_find_idev+0x102/0x170 [ 3876.324781][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.324781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.324781][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.324781][ T72] netlink_unicast+0x449/0x710 [ 3876.324781][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.324781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.324781][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.324781][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.324781][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.324781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.324781][ T72] [ 3876.326512][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3876.326808][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3876.326808][ T72] dst_init+0x84/0x4a0 [ 3876.326808][ T72] dst_alloc+0x97/0x150 [ 3876.326808][ T72] ip6_dst_alloc+0x23/0x90 [ 3876.326808][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3876.326808][ T72] ip6_pol_route+0x56f/0x840 [ 3876.326808][ T72] fib6_rule_lookup+0x456/0x630 [ 3876.326808][ T72] ip6_route_input+0x59c/0xa50 [ 3876.326808][ T72] ipv6_rcv+0x397/0x810 [ 3876.326808][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3876.326808][ T72] process_backlog+0x101/0x620 [ 3876.326808][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3876.326808][ T72] net_rx_action+0x495/0xbe0 [ 3876.326808][ T72] __do_softirq+0x1b5/0x7f6 [ 3876.326808][ T72] [ 3876.328437][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3876.328437][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.328437][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.328437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.328437][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3876.328437][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3876.328437][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3876.328437][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3876.328437][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3876.328437][ T72] addrconf_dad_begin+0x310/0x670 [ 3876.328437][ T72] addrconf_dad_work+0x10b/0xab0 [ 3876.328437][ T72] process_one_work+0x84d/0x18a0 [ 3876.328437][ T72] worker_thread+0x587/0xd30 [ 3876.328437][ T72] kthread+0x28a/0x350 [ 3876.328437][ T72] ret_from_fork+0x31/0x70 [ 3876.328437][ T72] ret_from_fork_asm+0x1a/0x30 [ 3876.328437][ T72] [ 3876.330313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3876.330313][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.330313][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.330313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.330313][ T72] ip6_route_add+0x1c/0x140 [ 3876.330313][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3876.330313][ T72] inet6_addr_add+0x4f8/0xa40 [ 3876.330313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.330313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.330313][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.330313][ T72] netlink_unicast+0x449/0x710 [ 3876.330313][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.330313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.330313][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.330313][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.330313][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.330313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.330313][ T72] [ 3876.332312][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3876.332312][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.332312][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.332312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.332312][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3876.332312][ T72] ipv6_add_addr+0x411/0x2000 [ 3876.332312][ T72] inet6_addr_add+0x30e/0xa40 [ 3876.332312][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.332312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.332312][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.332312][ T72] netlink_unicast+0x449/0x710 [ 3876.332312][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.332312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.332312][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.332312][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.332312][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.332312][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.332312][ T72] [ 3876.334334][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3876.334334][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.334334][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.334334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.334334][ T72] ip6_route_add+0x1c/0x140 [ 3876.334334][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3876.334334][ T72] addrconf_add_dev+0xe2/0x170 [ 3876.334334][ T72] inet6_addr_add+0x12f/0xa40 [ 3876.334334][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.334334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.334334][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.334334][ T72] netlink_unicast+0x449/0x710 [ 3876.334334][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.334334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.334334][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.334334][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.334334][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.334334][ T72] [ 3876.336295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3876.336295][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3876.336295][ T72] ipv6_find_idev+0x102/0x170 [ 3876.336295][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.336295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.336295][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.336295][ T72] netlink_unicast+0x449/0x710 [ 3876.336295][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.336295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.336295][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.336295][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.336295][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.336295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.336295][ T72] [ 3876.337835][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3876.337835][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3876.337835][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3876.337835][ T72] ipv6_find_idev+0x102/0x170 [ 3876.337835][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.337835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.337835][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.337835][ T72] netlink_unicast+0x449/0x710 [ 3876.337835][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.337835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.337835][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.337835][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.337835][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.337835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.337835][ T72] [ 3876.339598][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3876.339937][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3876.339937][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3876.339937][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3876.339937][ T72] fib6_nh_init+0xa22/0x1580 [ 3876.339937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.339937][ T72] ip6_route_add+0x1c/0x140 [ 3876.339937][ T72] inet6_rtm_newroute+0x104/0x110 [ 3876.339937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.339937][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.339937][ T72] netlink_unicast+0x449/0x710 [ 3876.339937][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.339937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.339937][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.339937][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.339937][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.339937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.339937][ T72] [ 3876.342075][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3876.342075][ T72] dst_init+0x84/0x4a0 [ 3876.342075][ T72] dst_alloc+0x97/0x150 [ 3876.342075][ T72] ip6_dst_alloc+0x23/0x90 [ 3876.342075][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3876.342075][ T72] ip6_pol_route+0x56f/0x840 [ 3876.342075][ T72] fib6_rule_lookup+0x456/0x630 [ 3876.342075][ T72] ip6_route_input+0x59c/0xa50 [ 3876.342075][ T72] ipv6_rcv+0x397/0x810 [ 3876.342075][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3876.342075][ T72] process_backlog+0x101/0x620 [ 3876.342075][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3876.342075][ T72] net_rx_action+0x495/0xbe0 [ 3876.342075][ T72] __do_softirq+0x1b5/0x7f6 [ 3876.342075][ T72] [ 3876.343898][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3876.343898][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.343898][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.343898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.343898][ T72] ip6_route_add+0x1c/0x140 [ 3876.343898][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3876.343898][ T72] inet6_addr_add+0x4f8/0xa40 [ 3876.343898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.343898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.343898][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.343898][ T72] netlink_unicast+0x449/0x710 [ 3876.343898][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.343898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.343898][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.343898][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.343898][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.343898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.343898][ T72] [ 3876.346148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3876.346148][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.346148][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.346148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.346148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3876.346148][ T72] ipv6_add_addr+0x411/0x2000 [ 3876.346148][ T72] inet6_addr_add+0x30e/0xa40 [ 3876.346148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.346148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.346148][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.346148][ T72] netlink_unicast+0x449/0x710 [ 3876.346148][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.346148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.346148][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.346148][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.346148][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.346148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.346148][ T72] [ 3876.348383][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3876.348383][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.348383][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.348383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.348383][ T72] ip6_route_add+0x1c/0x140 [ 3876.348383][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3876.348383][ T72] addrconf_add_dev+0xe2/0x170 [ 3876.348383][ T72] inet6_addr_add+0x12f/0xa40 [ 3876.348383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.348383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.348383][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.348383][ T72] netlink_unicast+0x449/0x710 [ 3876.348383][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.348383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.348383][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.348383][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.348383][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.348383][ T72] [ 3876.350666][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3876.350666][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3876.350666][ T72] ipv6_find_idev+0x102/0x170 [ 3876.350666][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.350666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.350666][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.350666][ T72] netlink_unicast+0x449/0x710 [ 3876.350666][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.350666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.350666][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.350666][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.350666][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.350666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.350666][ T72] [ 3876.352382][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3876.352382][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3876.352382][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3876.352382][ T72] ipv6_find_idev+0x102/0x170 [ 3876.352382][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.352382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.352382][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.352382][ T72] netlink_unicast+0x449/0x710 [ 3876.352382][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.352382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.352382][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.352382][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.352382][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.352382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.352382][ T72] [ 3876.354274][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3876.354568][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3876.354568][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.354568][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.354568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.354568][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3876.354568][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3876.354568][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3876.354568][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3876.354568][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3876.354568][ T72] addrconf_dad_begin+0x310/0x670 [ 3876.354568][ T72] addrconf_dad_work+0x10b/0xab0 [ 3876.354568][ T72] process_one_work+0x84d/0x18a0 [ 3876.354568][ T72] worker_thread+0x587/0xd30 [ 3876.354568][ T72] kthread+0x28a/0x350 [ 3876.354568][ T72] ret_from_fork+0x31/0x70 [ 3876.354568][ T72] ret_from_fork_asm+0x1a/0x30 [ 3876.354568][ T72] [ 3876.356732][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3876.356732][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.356732][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.356732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.356732][ T72] ip6_route_add+0x1c/0x140 [ 3876.356732][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3876.356732][ T72] inet6_addr_add+0x4f8/0xa40 [ 3876.356732][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.356732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.356732][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.356732][ T72] netlink_unicast+0x449/0x710 [ 3876.356732][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.356732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.356732][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.356732][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.356732][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.356732][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.356732][ T72] [ 3876.358942][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3876.358942][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.358942][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.358942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.358942][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3876.358942][ T72] ipv6_add_addr+0x411/0x2000 [ 3876.358942][ T72] inet6_addr_add+0x30e/0xa40 [ 3876.358942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.358942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.358942][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.358942][ T72] netlink_unicast+0x449/0x710 [ 3876.358942][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.358942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.358942][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.358942][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.358942][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.358942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.358942][ T72] [ 3876.361249][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3876.361249][ T72] netdev_get_by_index+0x5e/0x80 [ 3876.361249][ T72] fib6_nh_init+0x3d8/0x1580 [ 3876.361249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3876.361249][ T72] ip6_route_add+0x1c/0x140 [ 3876.361249][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3876.361249][ T72] addrconf_add_dev+0xe2/0x170 [ 3876.361249][ T72] inet6_addr_add+0x12f/0xa40 [ 3876.361249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.361249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.361249][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.361249][ T72] netlink_unicast+0x449/0x710 [ 3876.361249][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.361249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.361249][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.361249][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.361249][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.361249][ T72] [ 3876.363426][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3876.363426][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3876.363426][ T72] ipv6_find_idev+0x102/0x170 [ 3876.363426][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.363426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.363426][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.363426][ T72] netlink_unicast+0x449/0x710 [ 3876.363426][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.363426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.363426][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.363426][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.363426][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.363426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.363426][ T72] [ 3876.365145][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3876.365145][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3876.365145][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3876.365145][ T72] ipv6_find_idev+0x102/0x170 [ 3876.365145][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.365145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.365145][ T72] netlink_rcv_skb+0x130/0x360 [ 3876.365145][ T72] netlink_unicast+0x449/0x710 [ 3876.365145][ T72] netlink_sendmsg+0x723/0xbe0 [ 3876.365145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3876.365145][ T72] ___sys_sendmsg+0xee/0x170 [ 3876.365145][ T72] __sys_sendmsg+0xcd/0x170 [ 3876.365145][ T72] do_syscall_64+0xc6/0x1e0 [ 3876.365145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.365145][ T72] [ 3886.608995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3886.609809][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3886.609809][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3886.609809][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3886.609809][ T72] fib6_nh_init+0xa22/0x1580 [ 3886.609809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.609809][ T72] ip6_route_add+0x1c/0x140 [ 3886.609809][ T72] inet6_rtm_newroute+0x104/0x110 [ 3886.609809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.609809][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.609809][ T72] netlink_unicast+0x449/0x710 [ 3886.609809][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.609809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.609809][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.609809][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.609809][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.609809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.609809][ T72] [ 3886.611698][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3886.611698][ T72] dst_init+0x84/0x4a0 [ 3886.611698][ T72] dst_alloc+0x97/0x150 [ 3886.611698][ T72] ip6_dst_alloc+0x23/0x90 [ 3886.611698][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3886.611698][ T72] ip6_pol_route+0x56f/0x840 [ 3886.611698][ T72] fib6_rule_lookup+0x456/0x630 [ 3886.611698][ T72] ip6_route_input+0x59c/0xa50 [ 3886.611698][ T72] ipv6_rcv+0x397/0x810 [ 3886.611698][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3886.611698][ T72] process_backlog+0x101/0x620 [ 3886.611698][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3886.611698][ T72] net_rx_action+0x495/0xbe0 [ 3886.611698][ T72] __do_softirq+0x1b5/0x7f6 [ 3886.611698][ T72] [ 3886.613334][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3886.613334][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.613334][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.613334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.613334][ T72] ip6_route_add+0x1c/0x140 [ 3886.613334][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3886.613334][ T72] inet6_addr_add+0x4f8/0xa40 [ 3886.613334][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.613334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.613334][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.613334][ T72] netlink_unicast+0x449/0x710 [ 3886.613334][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.613334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.613334][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.613334][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.613334][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.613334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.613334][ T72] [ 3886.615354][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3886.615354][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.615354][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.615354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.615354][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3886.615354][ T72] ipv6_add_addr+0x411/0x2000 [ 3886.615354][ T72] inet6_addr_add+0x30e/0xa40 [ 3886.615354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.615354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.615354][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.615354][ T72] netlink_unicast+0x449/0x710 [ 3886.615354][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.615354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.615354][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.615354][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.615354][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.615354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.615354][ T72] [ 3886.617344][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3886.617344][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.617344][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.617344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.617344][ T72] ip6_route_add+0x1c/0x140 [ 3886.617344][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3886.617344][ T72] addrconf_add_dev+0xe2/0x170 [ 3886.617344][ T72] inet6_addr_add+0x12f/0xa40 [ 3886.617344][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.617344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.617344][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.617344][ T72] netlink_unicast+0x449/0x710 [ 3886.617344][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.617344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.617344][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.617344][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.617344][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.617344][ T72] [ 3886.619282][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3886.619282][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3886.619282][ T72] ipv6_find_idev+0x102/0x170 [ 3886.619282][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.619282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.619282][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.619282][ T72] netlink_unicast+0x449/0x710 [ 3886.619282][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.619282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.619282][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.619282][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.619282][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.619282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.619282][ T72] [ 3886.620816][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3886.620816][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3886.620816][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3886.620816][ T72] ipv6_find_idev+0x102/0x170 [ 3886.620816][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.620816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.620816][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.620816][ T72] netlink_unicast+0x449/0x710 [ 3886.620816][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.620816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.620816][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.620816][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.620816][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.620816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.620816][ T72] [ 3886.622477][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3886.622768][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3886.622768][ T72] dst_init+0x84/0x4a0 [ 3886.622768][ T72] dst_alloc+0x97/0x150 [ 3886.622768][ T72] ip6_dst_alloc+0x23/0x90 [ 3886.622768][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3886.622768][ T72] ip6_pol_route+0x56f/0x840 [ 3886.622768][ T72] fib6_rule_lookup+0x456/0x630 [ 3886.622768][ T72] ip6_route_input+0x59c/0xa50 [ 3886.622768][ T72] ipv6_rcv+0x397/0x810 [ 3886.622768][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3886.622768][ T72] process_backlog+0x101/0x620 [ 3886.622768][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3886.622768][ T72] net_rx_action+0x495/0xbe0 [ 3886.622768][ T72] __do_softirq+0x1b5/0x7f6 [ 3886.622768][ T72] [ 3886.624396][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3886.624396][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.624396][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.624396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.624396][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3886.624396][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3886.624396][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3886.624396][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3886.624396][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3886.624396][ T72] addrconf_dad_begin+0x310/0x670 [ 3886.624396][ T72] addrconf_dad_work+0x10b/0xab0 [ 3886.624396][ T72] process_one_work+0x84d/0x18a0 [ 3886.624396][ T72] worker_thread+0x587/0xd30 [ 3886.624396][ T72] kthread+0x28a/0x350 [ 3886.624396][ T72] ret_from_fork+0x31/0x70 [ 3886.624396][ T72] ret_from_fork_asm+0x1a/0x30 [ 3886.624396][ T72] [ 3886.626273][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3886.626273][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.626273][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.626273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.626273][ T72] ip6_route_add+0x1c/0x140 [ 3886.626273][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3886.626273][ T72] inet6_addr_add+0x4f8/0xa40 [ 3886.626273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.626273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.626273][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.626273][ T72] netlink_unicast+0x449/0x710 [ 3886.626273][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.626273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.626273][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.626273][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.626273][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.626273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.626273][ T72] [ 3886.628248][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3886.628248][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.628248][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.628248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.628248][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3886.628248][ T72] ipv6_add_addr+0x411/0x2000 [ 3886.628248][ T72] inet6_addr_add+0x30e/0xa40 [ 3886.628248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.628248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.628248][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.628248][ T72] netlink_unicast+0x449/0x710 [ 3886.628248][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.628248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.628248][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.628248][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.628248][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.628248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.628248][ T72] [ 3886.630240][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3886.630240][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.630240][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.630240][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.630240][ T72] ip6_route_add+0x1c/0x140 [ 3886.630240][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3886.630240][ T72] addrconf_add_dev+0xe2/0x170 [ 3886.630240][ T72] inet6_addr_add+0x12f/0xa40 [ 3886.630240][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.630240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.630240][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.630240][ T72] netlink_unicast+0x449/0x710 [ 3886.630240][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.630240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.630240][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.630240][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.630240][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.630240][ T72] [ 3886.632223][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3886.632223][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3886.632223][ T72] ipv6_find_idev+0x102/0x170 [ 3886.632223][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.632223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.632223][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.632223][ T72] netlink_unicast+0x449/0x710 [ 3886.632223][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.632223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.632223][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.632223][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.632223][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.632223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.632223][ T72] [ 3886.633754][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3886.633754][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3886.633754][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3886.633754][ T72] ipv6_find_idev+0x102/0x170 [ 3886.633754][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.633754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.633754][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.633754][ T72] netlink_unicast+0x449/0x710 [ 3886.633754][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.633754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.633754][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.633754][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.633754][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.633754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.633754][ T72] [ 3886.635559][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3886.635822][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3886.635822][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3886.635822][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3886.635822][ T72] fib6_nh_init+0xa22/0x1580 [ 3886.635822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.635822][ T72] ip6_route_add+0x1c/0x140 [ 3886.635822][ T72] inet6_rtm_newroute+0x104/0x110 [ 3886.635822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.635822][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.635822][ T72] netlink_unicast+0x449/0x710 [ 3886.635822][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.635822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.635822][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.635822][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.635822][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.635822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.635822][ T72] [ 3886.637945][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3886.637945][ T72] dst_init+0x84/0x4a0 [ 3886.637945][ T72] dst_alloc+0x97/0x150 [ 3886.637945][ T72] ip6_dst_alloc+0x23/0x90 [ 3886.637945][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3886.637945][ T72] ip6_pol_route+0x56f/0x840 [ 3886.637945][ T72] fib6_rule_lookup+0x456/0x630 [ 3886.637945][ T72] ip6_route_input+0x59c/0xa50 [ 3886.637945][ T72] ipv6_rcv+0x397/0x810 [ 3886.637945][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3886.637945][ T72] process_backlog+0x101/0x620 [ 3886.637945][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3886.637945][ T72] net_rx_action+0x495/0xbe0 [ 3886.637945][ T72] __do_softirq+0x1b5/0x7f6 [ 3886.637945][ T72] [ 3886.639817][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3886.639817][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.639817][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.639817][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.639817][ T72] ip6_route_add+0x1c/0x140 [ 3886.639817][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3886.639817][ T72] inet6_addr_add+0x4f8/0xa40 [ 3886.639817][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.639817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.639817][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.639817][ T72] netlink_unicast+0x449/0x710 [ 3886.639817][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.639817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.639817][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.639817][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.639817][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.639817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.639817][ T72] [ 3886.641979][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3886.641979][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.641979][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.641979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.641979][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3886.641979][ T72] ipv6_add_addr+0x411/0x2000 [ 3886.641979][ T72] inet6_addr_add+0x30e/0xa40 [ 3886.641979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.641979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.641979][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.641979][ T72] netlink_unicast+0x449/0x710 [ 3886.641979][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.641979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.641979][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.641979][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.641979][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.641979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.641979][ T72] [ 3886.644199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3886.644199][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.644199][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.644199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.644199][ T72] ip6_route_add+0x1c/0x140 [ 3886.644199][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3886.644199][ T72] addrconf_add_dev+0xe2/0x170 [ 3886.644199][ T72] inet6_addr_add+0x12f/0xa40 [ 3886.644199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.644199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.644199][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.644199][ T72] netlink_unicast+0x449/0x710 [ 3886.644199][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.644199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.644199][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.644199][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.644199][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.644199][ T72] [ 3886.646448][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3886.646448][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3886.646448][ T72] ipv6_find_idev+0x102/0x170 [ 3886.646448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.646448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.646448][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.646448][ T72] netlink_unicast+0x449/0x710 [ 3886.646448][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.646448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.646448][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.646448][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.646448][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.646448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.646448][ T72] [ 3886.648151][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3886.648151][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3886.648151][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3886.648151][ T72] ipv6_find_idev+0x102/0x170 [ 3886.648151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.648151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.648151][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.648151][ T72] netlink_unicast+0x449/0x710 [ 3886.648151][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.648151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.648151][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.648151][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.648151][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.648151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.648151][ T72] [ 3886.650024][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3886.650351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3886.650351][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.650351][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.650351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.650351][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3886.650351][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3886.650351][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3886.650351][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3886.650351][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3886.650351][ T72] addrconf_dad_begin+0x310/0x670 [ 3886.650351][ T72] addrconf_dad_work+0x10b/0xab0 [ 3886.650351][ T72] process_one_work+0x84d/0x18a0 [ 3886.650351][ T72] worker_thread+0x587/0xd30 [ 3886.650351][ T72] kthread+0x28a/0x350 [ 3886.650351][ T72] ret_from_fork+0x31/0x70 [ 3886.650351][ T72] ret_from_fork_asm+0x1a/0x30 [ 3886.650351][ T72] [ 3886.652412][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3886.652412][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.652412][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.652412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.652412][ T72] ip6_route_add+0x1c/0x140 [ 3886.652412][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3886.652412][ T72] inet6_addr_add+0x4f8/0xa40 [ 3886.652412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.652412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.652412][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.652412][ T72] netlink_unicast+0x449/0x710 [ 3886.652412][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.652412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.652412][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.652412][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.652412][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.652412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.652412][ T72] [ 3886.655147][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3886.655147][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.655147][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.655147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.655147][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3886.655147][ T72] ipv6_add_addr+0x411/0x2000 [ 3886.655147][ T72] inet6_addr_add+0x30e/0xa40 [ 3886.655147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.655147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.655147][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.655147][ T72] netlink_unicast+0x449/0x710 [ 3886.655147][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.655147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.655147][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.655147][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.655147][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.655147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.655147][ T72] [ 3886.657820][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3886.657820][ T72] netdev_get_by_index+0x5e/0x80 [ 3886.657820][ T72] fib6_nh_init+0x3d8/0x1580 [ 3886.657820][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3886.657820][ T72] ip6_route_add+0x1c/0x140 [ 3886.657820][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3886.657820][ T72] addrconf_add_dev+0xe2/0x170 [ 3886.657820][ T72] inet6_addr_add+0x12f/0xa40 [ 3886.657820][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.657820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.657820][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.657820][ T72] netlink_unicast+0x449/0x710 [ 3886.657820][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.657820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.657820][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.657820][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.657820][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.657820][ T72] [ 3886.660036][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3886.660036][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3886.660036][ T72] ipv6_find_idev+0x102/0x170 [ 3886.660036][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.660036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.660036][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.660036][ T72] netlink_unicast+0x449/0x710 [ 3886.660036][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.660036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.660036][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.660036][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.660036][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.660036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.660036][ T72] [ 3886.661744][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3886.661744][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3886.661744][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3886.661744][ T72] ipv6_find_idev+0x102/0x170 [ 3886.661744][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.661744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.661744][ T72] netlink_rcv_skb+0x130/0x360 [ 3886.661744][ T72] netlink_unicast+0x449/0x710 [ 3886.661744][ T72] netlink_sendmsg+0x723/0xbe0 [ 3886.661744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3886.661744][ T72] ___sys_sendmsg+0xee/0x170 [ 3886.661744][ T72] __sys_sendmsg+0xcd/0x170 [ 3886.661744][ T72] do_syscall_64+0xc6/0x1e0 [ 3886.661744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.661744][ T72] [ 3896.904968][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3896.905807][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3896.905807][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3896.905807][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3896.905807][ T72] fib6_nh_init+0xa22/0x1580 [ 3896.905807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.905807][ T72] ip6_route_add+0x1c/0x140 [ 3896.905807][ T72] inet6_rtm_newroute+0x104/0x110 [ 3896.905807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.905807][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.905807][ T72] netlink_unicast+0x449/0x710 [ 3896.905807][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.905807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.905807][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.905807][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.905807][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.905807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.905807][ T72] [ 3896.907670][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3896.907670][ T72] dst_init+0x84/0x4a0 [ 3896.907670][ T72] dst_alloc+0x97/0x150 [ 3896.907670][ T72] ip6_dst_alloc+0x23/0x90 [ 3896.907670][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3896.907670][ T72] ip6_pol_route+0x56f/0x840 [ 3896.907670][ T72] fib6_rule_lookup+0x456/0x630 [ 3896.907670][ T72] ip6_route_input+0x59c/0xa50 [ 3896.907670][ T72] ipv6_rcv+0x397/0x810 [ 3896.907670][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3896.907670][ T72] process_backlog+0x101/0x620 [ 3896.907670][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3896.907670][ T72] net_rx_action+0x495/0xbe0 [ 3896.907670][ T72] __do_softirq+0x1b5/0x7f6 [ 3896.907670][ T72] [ 3896.909301][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3896.909301][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.909301][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.909301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.909301][ T72] ip6_route_add+0x1c/0x140 [ 3896.909301][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3896.909301][ T72] inet6_addr_add+0x4f8/0xa40 [ 3896.909301][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.909301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.909301][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.909301][ T72] netlink_unicast+0x449/0x710 [ 3896.909301][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.909301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.909301][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.909301][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.909301][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.909301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.909301][ T72] [ 3896.911306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3896.911306][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.911306][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.911306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.911306][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3896.911306][ T72] ipv6_add_addr+0x411/0x2000 [ 3896.911306][ T72] inet6_addr_add+0x30e/0xa40 [ 3896.911306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.911306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.911306][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.911306][ T72] netlink_unicast+0x449/0x710 [ 3896.911306][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.911306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.911306][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.911306][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.911306][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.911306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.911306][ T72] [ 3896.913272][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3896.913272][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.913272][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.913272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.913272][ T72] ip6_route_add+0x1c/0x140 [ 3896.913272][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3896.913272][ T72] addrconf_add_dev+0xe2/0x170 [ 3896.913272][ T72] inet6_addr_add+0x12f/0xa40 [ 3896.913272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.913272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.913272][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.913272][ T72] netlink_unicast+0x449/0x710 [ 3896.913272][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.913272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.913272][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.913272][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.913272][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.913272][ T72] [ 3896.915218][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3896.915218][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3896.915218][ T72] ipv6_find_idev+0x102/0x170 [ 3896.915218][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.915218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.915218][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.915218][ T72] netlink_unicast+0x449/0x710 [ 3896.915218][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.915218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.915218][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.915218][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.915218][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.915218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.915218][ T72] [ 3896.916728][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3896.916728][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3896.916728][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3896.916728][ T72] ipv6_find_idev+0x102/0x170 [ 3896.916728][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.916728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.916728][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.916728][ T72] netlink_unicast+0x449/0x710 [ 3896.916728][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.916728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.916728][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.916728][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.916728][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.916728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.916728][ T72] [ 3896.918360][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3896.918649][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3896.918649][ T72] dst_init+0x84/0x4a0 [ 3896.918649][ T72] dst_alloc+0x97/0x150 [ 3896.918649][ T72] ip6_dst_alloc+0x23/0x90 [ 3896.918649][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3896.918649][ T72] ip6_pol_route+0x56f/0x840 [ 3896.918649][ T72] fib6_rule_lookup+0x456/0x630 [ 3896.918649][ T72] ip6_route_input+0x59c/0xa50 [ 3896.918649][ T72] ipv6_rcv+0x397/0x810 [ 3896.918649][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3896.918649][ T72] process_backlog+0x101/0x620 [ 3896.918649][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3896.918649][ T72] net_rx_action+0x495/0xbe0 [ 3896.918649][ T72] __do_softirq+0x1b5/0x7f6 [ 3896.918649][ T72] [ 3896.920286][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3896.920286][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.920286][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.920286][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.920286][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3896.920286][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3896.920286][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3896.920286][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3896.920286][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3896.920286][ T72] addrconf_dad_begin+0x310/0x670 [ 3896.920286][ T72] addrconf_dad_work+0x10b/0xab0 [ 3896.920286][ T72] process_one_work+0x84d/0x18a0 [ 3896.920286][ T72] worker_thread+0x587/0xd30 [ 3896.920286][ T72] kthread+0x28a/0x350 [ 3896.920286][ T72] ret_from_fork+0x31/0x70 [ 3896.920286][ T72] ret_from_fork_asm+0x1a/0x30 [ 3896.920286][ T72] [ 3896.922125][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3896.922125][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.922125][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.922125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.922125][ T72] ip6_route_add+0x1c/0x140 [ 3896.922125][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3896.922125][ T72] inet6_addr_add+0x4f8/0xa40 [ 3896.922125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.922125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.922125][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.922125][ T72] netlink_unicast+0x449/0x710 [ 3896.922125][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.922125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.922125][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.922125][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.922125][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.922125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.922125][ T72] [ 3896.924431][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3896.924431][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.924431][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.924431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.924431][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3896.924431][ T72] ipv6_add_addr+0x411/0x2000 [ 3896.924431][ T72] inet6_addr_add+0x30e/0xa40 [ 3896.924431][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.924431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.924431][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.924431][ T72] netlink_unicast+0x449/0x710 [ 3896.924431][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.924431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.924431][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.924431][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.924431][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.924431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.924431][ T72] [ 3896.926389][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3896.926389][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.926389][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.926389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.926389][ T72] ip6_route_add+0x1c/0x140 [ 3896.926389][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3896.926389][ T72] addrconf_add_dev+0xe2/0x170 [ 3896.926389][ T72] inet6_addr_add+0x12f/0xa40 [ 3896.926389][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.926389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.926389][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.926389][ T72] netlink_unicast+0x449/0x710 [ 3896.926389][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.926389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.926389][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.926389][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.926389][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.926389][ T72] [ 3896.928303][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3896.928303][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3896.928303][ T72] ipv6_find_idev+0x102/0x170 [ 3896.928303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.928303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.928303][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.928303][ T72] netlink_unicast+0x449/0x710 [ 3896.928303][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.928303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.928303][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.928303][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.928303][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.928303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.928303][ T72] [ 3896.929817][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3896.929817][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3896.929817][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3896.929817][ T72] ipv6_find_idev+0x102/0x170 [ 3896.929817][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.929817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.929817][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.929817][ T72] netlink_unicast+0x449/0x710 [ 3896.929817][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.929817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.929817][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.929817][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.929817][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.929817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.929817][ T72] [ 3896.931610][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3896.931896][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3896.931896][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3896.931896][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3896.931896][ T72] fib6_nh_init+0xa22/0x1580 [ 3896.931896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.931896][ T72] ip6_route_add+0x1c/0x140 [ 3896.931896][ T72] inet6_rtm_newroute+0x104/0x110 [ 3896.931896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.931896][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.931896][ T72] netlink_unicast+0x449/0x710 [ 3896.931896][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.931896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.931896][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.931896][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.931896][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.931896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.931896][ T72] [ 3896.934012][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3896.934012][ T72] dst_init+0x84/0x4a0 [ 3896.934012][ T72] dst_alloc+0x97/0x150 [ 3896.934012][ T72] ip6_dst_alloc+0x23/0x90 [ 3896.934012][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3896.934012][ T72] ip6_pol_route+0x56f/0x840 [ 3896.934012][ T72] fib6_rule_lookup+0x456/0x630 [ 3896.934012][ T72] ip6_route_input+0x59c/0xa50 [ 3896.934012][ T72] ipv6_rcv+0x397/0x810 [ 3896.934012][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3896.934012][ T72] process_backlog+0x101/0x620 [ 3896.934012][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3896.934012][ T72] net_rx_action+0x495/0xbe0 [ 3896.934012][ T72] __do_softirq+0x1b5/0x7f6 [ 3896.934012][ T72] [ 3896.935870][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3896.935870][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.935870][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.935870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.935870][ T72] ip6_route_add+0x1c/0x140 [ 3896.935870][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3896.935870][ T72] inet6_addr_add+0x4f8/0xa40 [ 3896.935870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.935870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.935870][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.935870][ T72] netlink_unicast+0x449/0x710 [ 3896.935870][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.935870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.935870][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.935870][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.935870][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.935870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.935870][ T72] [ 3896.937986][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3896.937986][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.937986][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.937986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.937986][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3896.937986][ T72] ipv6_add_addr+0x411/0x2000 [ 3896.937986][ T72] inet6_addr_add+0x30e/0xa40 [ 3896.937986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.937986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.937986][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.937986][ T72] netlink_unicast+0x449/0x710 [ 3896.937986][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.937986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.937986][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.937986][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.937986][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.937986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.937986][ T72] [ 3896.940199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3896.940199][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.940199][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.940199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.940199][ T72] ip6_route_add+0x1c/0x140 [ 3896.940199][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3896.940199][ T72] addrconf_add_dev+0xe2/0x170 [ 3896.940199][ T72] inet6_addr_add+0x12f/0xa40 [ 3896.940199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.940199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.940199][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.940199][ T72] netlink_unicast+0x449/0x710 [ 3896.940199][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.940199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.940199][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.940199][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.940199][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.940199][ T72] [ 3896.942434][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3896.942434][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3896.942434][ T72] ipv6_find_idev+0x102/0x170 [ 3896.942434][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.942434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.942434][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.942434][ T72] netlink_unicast+0x449/0x710 [ 3896.942434][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.942434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.942434][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.942434][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.942434][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.942434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.942434][ T72] [ 3896.944150][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3896.944150][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3896.944150][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3896.944150][ T72] ipv6_find_idev+0x102/0x170 [ 3896.944150][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.944150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.944150][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.944150][ T72] netlink_unicast+0x449/0x710 [ 3896.944150][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.944150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.944150][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.944150][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.944150][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.944150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.944150][ T72] [ 3896.945973][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3896.946322][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3896.946322][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.946322][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.946322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.946322][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3896.946322][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3896.946322][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3896.946322][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3896.946322][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3896.946322][ T72] addrconf_dad_begin+0x310/0x670 [ 3896.946322][ T72] addrconf_dad_work+0x10b/0xab0 [ 3896.946322][ T72] process_one_work+0x84d/0x18a0 [ 3896.946322][ T72] worker_thread+0x587/0xd30 [ 3896.946322][ T72] kthread+0x28a/0x350 [ 3896.946322][ T72] ret_from_fork+0x31/0x70 [ 3896.946322][ T72] ret_from_fork_asm+0x1a/0x30 [ 3896.946322][ T72] [ 3896.948412][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3896.948412][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.948412][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.948412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.948412][ T72] ip6_route_add+0x1c/0x140 [ 3896.948412][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3896.948412][ T72] inet6_addr_add+0x4f8/0xa40 [ 3896.948412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.948412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.948412][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.948412][ T72] netlink_unicast+0x449/0x710 [ 3896.948412][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.948412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.948412][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.948412][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.948412][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.948412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.948412][ T72] [ 3896.950663][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3896.950663][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.950663][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.950663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.950663][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3896.950663][ T72] ipv6_add_addr+0x411/0x2000 [ 3896.950663][ T72] inet6_addr_add+0x30e/0xa40 [ 3896.950663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.950663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.950663][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.950663][ T72] netlink_unicast+0x449/0x710 [ 3896.950663][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.950663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.950663][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.950663][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.950663][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.950663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.950663][ T72] [ 3896.953046][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3896.953046][ T72] netdev_get_by_index+0x5e/0x80 [ 3896.953046][ T72] fib6_nh_init+0x3d8/0x1580 [ 3896.953046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3896.953046][ T72] ip6_route_add+0x1c/0x140 [ 3896.953046][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3896.953046][ T72] addrconf_add_dev+0xe2/0x170 [ 3896.953046][ T72] inet6_addr_add+0x12f/0xa40 [ 3896.953046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.953046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.953046][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.953046][ T72] netlink_unicast+0x449/0x710 [ 3896.953046][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.953046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.953046][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.953046][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.953046][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.953046][ T72] [ 3896.955408][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3896.955408][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3896.955408][ T72] ipv6_find_idev+0x102/0x170 [ 3896.955408][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.955408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.955408][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.955408][ T72] netlink_unicast+0x449/0x710 [ 3896.955408][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.955408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.955408][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.955408][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.955408][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.955408][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.955408][ T72] [ 3896.957255][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3896.957255][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3896.957255][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3896.957255][ T72] ipv6_find_idev+0x102/0x170 [ 3896.957255][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.957255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.957255][ T72] netlink_rcv_skb+0x130/0x360 [ 3896.957255][ T72] netlink_unicast+0x449/0x710 [ 3896.957255][ T72] netlink_sendmsg+0x723/0xbe0 [ 3896.957255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3896.957255][ T72] ___sys_sendmsg+0xee/0x170 [ 3896.957255][ T72] __sys_sendmsg+0xcd/0x170 [ 3896.957255][ T72] do_syscall_64+0xc6/0x1e0 [ 3896.957255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.957255][ T72] [ 3907.200904][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3907.201361][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3907.201361][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3907.201361][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3907.201361][ T72] fib6_nh_init+0xa22/0x1580 [ 3907.201361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.201361][ T72] ip6_route_add+0x1c/0x140 [ 3907.201361][ T72] inet6_rtm_newroute+0x104/0x110 [ 3907.201361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.201361][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.201361][ T72] netlink_unicast+0x449/0x710 [ 3907.201361][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.201361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.201361][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.201361][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.201361][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.201361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.201361][ T72] [ 3907.203435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3907.203435][ T72] dst_init+0x84/0x4a0 [ 3907.203435][ T72] dst_alloc+0x97/0x150 [ 3907.203435][ T72] ip6_dst_alloc+0x23/0x90 [ 3907.203435][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3907.203435][ T72] ip6_pol_route+0x56f/0x840 [ 3907.203435][ T72] fib6_rule_lookup+0x456/0x630 [ 3907.203435][ T72] ip6_route_input+0x59c/0xa50 [ 3907.203435][ T72] ipv6_rcv+0x397/0x810 [ 3907.203435][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3907.203435][ T72] process_backlog+0x101/0x620 [ 3907.203435][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3907.203435][ T72] net_rx_action+0x495/0xbe0 [ 3907.203435][ T72] __do_softirq+0x1b5/0x7f6 [ 3907.203435][ T72] [ 3907.205210][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3907.205210][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.205210][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.205210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.205210][ T72] ip6_route_add+0x1c/0x140 [ 3907.205210][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3907.205210][ T72] inet6_addr_add+0x4f8/0xa40 [ 3907.205210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.205210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.205210][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.205210][ T72] netlink_unicast+0x449/0x710 [ 3907.205210][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.205210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.205210][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.205210][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.205210][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.205210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.205210][ T72] [ 3907.207394][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3907.207394][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.207394][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.207394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.207394][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3907.207394][ T72] ipv6_add_addr+0x411/0x2000 [ 3907.207394][ T72] inet6_addr_add+0x30e/0xa40 [ 3907.207394][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.207394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.207394][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.207394][ T72] netlink_unicast+0x449/0x710 [ 3907.207394][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.207394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.207394][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.207394][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.207394][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.207394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.207394][ T72] [ 3907.209510][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3907.209510][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.209510][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.209510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.209510][ T72] ip6_route_add+0x1c/0x140 [ 3907.209510][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3907.209510][ T72] addrconf_add_dev+0xe2/0x170 [ 3907.209510][ T72] inet6_addr_add+0x12f/0xa40 [ 3907.209510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.209510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.209510][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.209510][ T72] netlink_unicast+0x449/0x710 [ 3907.209510][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.209510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.209510][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.209510][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.209510][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.209510][ T72] [ 3907.211506][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3907.211506][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3907.211506][ T72] ipv6_find_idev+0x102/0x170 [ 3907.211506][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.211506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.211506][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.211506][ T72] netlink_unicast+0x449/0x710 [ 3907.211506][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.211506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.211506][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.211506][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.211506][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.211506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.211506][ T72] [ 3907.213049][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3907.213049][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3907.213049][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3907.213049][ T72] ipv6_find_idev+0x102/0x170 [ 3907.213049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.213049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.213049][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.213049][ T72] netlink_unicast+0x449/0x710 [ 3907.213049][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.213049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.213049][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.213049][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.213049][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.213049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.213049][ T72] [ 3907.214799][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3907.215080][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3907.215080][ T72] dst_init+0x84/0x4a0 [ 3907.215080][ T72] dst_alloc+0x97/0x150 [ 3907.215080][ T72] ip6_dst_alloc+0x23/0x90 [ 3907.215080][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3907.215080][ T72] ip6_pol_route+0x56f/0x840 [ 3907.215080][ T72] fib6_rule_lookup+0x456/0x630 [ 3907.215080][ T72] ip6_route_input+0x59c/0xa50 [ 3907.215080][ T72] ipv6_rcv+0x397/0x810 [ 3907.215080][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3907.215080][ T72] process_backlog+0x101/0x620 [ 3907.215080][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3907.215080][ T72] net_rx_action+0x495/0xbe0 [ 3907.215080][ T72] __do_softirq+0x1b5/0x7f6 [ 3907.215080][ T72] [ 3907.216731][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3907.216731][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.216731][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.216731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.216731][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3907.216731][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3907.216731][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3907.216731][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3907.216731][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3907.216731][ T72] addrconf_dad_begin+0x310/0x670 [ 3907.216731][ T72] addrconf_dad_work+0x10b/0xab0 [ 3907.216731][ T72] process_one_work+0x84d/0x18a0 [ 3907.216731][ T72] worker_thread+0x587/0xd30 [ 3907.216731][ T72] kthread+0x28a/0x350 [ 3907.216731][ T72] ret_from_fork+0x31/0x70 [ 3907.216731][ T72] ret_from_fork_asm+0x1a/0x30 [ 3907.216731][ T72] [ 3907.218672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3907.218672][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.218672][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.218672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.218672][ T72] ip6_route_add+0x1c/0x140 [ 3907.218672][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3907.218672][ T72] inet6_addr_add+0x4f8/0xa40 [ 3907.218672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.218672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.218672][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.218672][ T72] netlink_unicast+0x449/0x710 [ 3907.218672][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.218672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.218672][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.218672][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.218672][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.218672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.218672][ T72] [ 3907.220679][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3907.220679][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.220679][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.220679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.220679][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3907.220679][ T72] ipv6_add_addr+0x411/0x2000 [ 3907.220679][ T72] inet6_addr_add+0x30e/0xa40 [ 3907.220679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.220679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.220679][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.220679][ T72] netlink_unicast+0x449/0x710 [ 3907.220679][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.220679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.220679][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.220679][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.220679][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.220679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.220679][ T72] [ 3907.222739][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3907.222739][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.222739][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.222739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.222739][ T72] ip6_route_add+0x1c/0x140 [ 3907.222739][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3907.222739][ T72] addrconf_add_dev+0xe2/0x170 [ 3907.222739][ T72] inet6_addr_add+0x12f/0xa40 [ 3907.222739][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.222739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.222739][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.222739][ T72] netlink_unicast+0x449/0x710 [ 3907.222739][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.222739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.222739][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.222739][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.222739][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.222739][ T72] [ 3907.224731][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3907.224731][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3907.224731][ T72] ipv6_find_idev+0x102/0x170 [ 3907.224731][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.224731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.224731][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.224731][ T72] netlink_unicast+0x449/0x710 [ 3907.224731][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.224731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.224731][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.224731][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.224731][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.224731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.224731][ T72] [ 3907.226273][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3907.226273][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3907.226273][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3907.226273][ T72] ipv6_find_idev+0x102/0x170 [ 3907.226273][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.226273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.226273][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.226273][ T72] netlink_unicast+0x449/0x710 [ 3907.226273][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.226273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.226273][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.226273][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.226273][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.226273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.226273][ T72] [ 3907.228031][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3907.228319][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3907.228319][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3907.228319][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3907.228319][ T72] fib6_nh_init+0xa22/0x1580 [ 3907.228319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.228319][ T72] ip6_route_add+0x1c/0x140 [ 3907.228319][ T72] inet6_rtm_newroute+0x104/0x110 [ 3907.228319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.228319][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.228319][ T72] netlink_unicast+0x449/0x710 [ 3907.228319][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.228319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.228319][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.228319][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.228319][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.228319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.228319][ T72] [ 3907.230574][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3907.230574][ T72] dst_init+0x84/0x4a0 [ 3907.230574][ T72] dst_alloc+0x97/0x150 [ 3907.230574][ T72] ip6_dst_alloc+0x23/0x90 [ 3907.230574][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3907.230574][ T72] ip6_pol_route+0x56f/0x840 [ 3907.230574][ T72] fib6_rule_lookup+0x456/0x630 [ 3907.230574][ T72] ip6_route_input+0x59c/0xa50 [ 3907.230574][ T72] ipv6_rcv+0x397/0x810 [ 3907.230574][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3907.230574][ T72] process_backlog+0x101/0x620 [ 3907.230574][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3907.230574][ T72] net_rx_action+0x495/0xbe0 [ 3907.230574][ T72] __do_softirq+0x1b5/0x7f6 [ 3907.230574][ T72] [ 3907.232407][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3907.232407][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.232407][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.232407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.232407][ T72] ip6_route_add+0x1c/0x140 [ 3907.232407][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3907.232407][ T72] inet6_addr_add+0x4f8/0xa40 [ 3907.232407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.232407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.232407][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.232407][ T72] netlink_unicast+0x449/0x710 [ 3907.232407][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.232407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.232407][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.232407][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.232407][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.232407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.232407][ T72] [ 3907.234640][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3907.234640][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.234640][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.234640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.234640][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3907.234640][ T72] ipv6_add_addr+0x411/0x2000 [ 3907.234640][ T72] inet6_addr_add+0x30e/0xa40 [ 3907.234640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.234640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.234640][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.234640][ T72] netlink_unicast+0x449/0x710 [ 3907.234640][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.234640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.234640][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.234640][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.234640][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.234640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.234640][ T72] [ 3907.236852][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3907.236852][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.236852][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.236852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.236852][ T72] ip6_route_add+0x1c/0x140 [ 3907.236852][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3907.236852][ T72] addrconf_add_dev+0xe2/0x170 [ 3907.236852][ T72] inet6_addr_add+0x12f/0xa40 [ 3907.236852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.236852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.236852][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.236852][ T72] netlink_unicast+0x449/0x710 [ 3907.236852][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.236852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.236852][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.236852][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.236852][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.236852][ T72] [ 3907.239109][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3907.239109][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3907.239109][ T72] ipv6_find_idev+0x102/0x170 [ 3907.239109][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.239109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.239109][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.239109][ T72] netlink_unicast+0x449/0x710 [ 3907.239109][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.239109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.239109][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.239109][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.239109][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.239109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.239109][ T72] [ 3907.240841][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3907.240841][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3907.240841][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3907.240841][ T72] ipv6_find_idev+0x102/0x170 [ 3907.240841][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.240841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.240841][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.240841][ T72] netlink_unicast+0x449/0x710 [ 3907.240841][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.240841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.240841][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.240841][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.240841][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.240841][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.240841][ T72] [ 3907.242712][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3907.243490][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3907.243490][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.243490][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.243490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.243490][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3907.243490][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3907.243490][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3907.243490][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3907.243490][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3907.243490][ T72] addrconf_dad_begin+0x310/0x670 [ 3907.243490][ T72] addrconf_dad_work+0x10b/0xab0 [ 3907.243490][ T72] process_one_work+0x84d/0x18a0 [ 3907.243490][ T72] worker_thread+0x587/0xd30 [ 3907.243490][ T72] kthread+0x28a/0x350 [ 3907.243490][ T72] ret_from_fork+0x31/0x70 [ 3907.243490][ T72] ret_from_fork_asm+0x1a/0x30 [ 3907.243490][ T72] [ 3907.245403][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3907.245403][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.245403][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.245403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.245403][ T72] ip6_route_add+0x1c/0x140 [ 3907.245403][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3907.245403][ T72] inet6_addr_add+0x4f8/0xa40 [ 3907.245403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.245403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.245403][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.245403][ T72] netlink_unicast+0x449/0x710 [ 3907.245403][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.245403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.245403][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.245403][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.245403][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.245403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.245403][ T72] [ 3907.247449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3907.247449][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.247449][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.247449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.247449][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3907.247449][ T72] ipv6_add_addr+0x411/0x2000 [ 3907.247449][ T72] inet6_addr_add+0x30e/0xa40 [ 3907.247449][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.247449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.247449][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.247449][ T72] netlink_unicast+0x449/0x710 [ 3907.247449][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.247449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.247449][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.247449][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.247449][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.247449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.247449][ T72] [ 3907.249677][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3907.249677][ T72] netdev_get_by_index+0x5e/0x80 [ 3907.249677][ T72] fib6_nh_init+0x3d8/0x1580 [ 3907.249677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3907.249677][ T72] ip6_route_add+0x1c/0x140 [ 3907.249677][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3907.249677][ T72] addrconf_add_dev+0xe2/0x170 [ 3907.249677][ T72] inet6_addr_add+0x12f/0xa40 [ 3907.249677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.249677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.249677][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.249677][ T72] netlink_unicast+0x449/0x710 [ 3907.249677][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.249677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.249677][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.249677][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.249677][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.249677][ T72] [ 3907.251949][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3907.251949][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3907.251949][ T72] ipv6_find_idev+0x102/0x170 [ 3907.251949][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.251949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.251949][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.251949][ T72] netlink_unicast+0x449/0x710 [ 3907.251949][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.251949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.251949][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.251949][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.251949][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.251949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.251949][ T72] [ 3907.253664][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3907.253664][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3907.253664][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3907.253664][ T72] ipv6_find_idev+0x102/0x170 [ 3907.253664][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.253664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.253664][ T72] netlink_rcv_skb+0x130/0x360 [ 3907.253664][ T72] netlink_unicast+0x449/0x710 [ 3907.253664][ T72] netlink_sendmsg+0x723/0xbe0 [ 3907.253664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3907.253664][ T72] ___sys_sendmsg+0xee/0x170 [ 3907.253664][ T72] __sys_sendmsg+0xcd/0x170 [ 3907.253664][ T72] do_syscall_64+0xc6/0x1e0 [ 3907.253664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.253664][ T72] [ 3917.280973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3917.282015][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3917.282015][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3917.282015][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3917.282015][ T72] fib6_nh_init+0xa22/0x1580 [ 3917.282015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.282015][ T72] ip6_route_add+0x1c/0x140 [ 3917.282015][ T72] inet6_rtm_newroute+0x104/0x110 [ 3917.282015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.282015][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.282015][ T72] netlink_unicast+0x449/0x710 [ 3917.282015][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.282015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.282015][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.282015][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.282015][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.282015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.282015][ T72] [ 3917.283851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3917.283851][ T72] dst_init+0x84/0x4a0 [ 3917.283851][ T72] dst_alloc+0x97/0x150 [ 3917.283851][ T72] ip6_dst_alloc+0x23/0x90 [ 3917.283851][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3917.283851][ T72] ip6_pol_route+0x56f/0x840 [ 3917.283851][ T72] fib6_rule_lookup+0x456/0x630 [ 3917.283851][ T72] ip6_route_input+0x59c/0xa50 [ 3917.283851][ T72] ipv6_rcv+0x397/0x810 [ 3917.283851][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3917.283851][ T72] process_backlog+0x101/0x620 [ 3917.283851][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3917.283851][ T72] net_rx_action+0x495/0xbe0 [ 3917.283851][ T72] __do_softirq+0x1b5/0x7f6 [ 3917.283851][ T72] [ 3917.285500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3917.285500][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.285500][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.285500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.285500][ T72] ip6_route_add+0x1c/0x140 [ 3917.285500][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3917.285500][ T72] inet6_addr_add+0x4f8/0xa40 [ 3917.285500][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.285500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.285500][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.285500][ T72] netlink_unicast+0x449/0x710 [ 3917.285500][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.285500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.285500][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.285500][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.285500][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.285500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.285500][ T72] [ 3917.287482][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3917.287482][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.287482][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.287482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.287482][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3917.287482][ T72] ipv6_add_addr+0x411/0x2000 [ 3917.287482][ T72] inet6_addr_add+0x30e/0xa40 [ 3917.287482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.287482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.287482][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.287482][ T72] netlink_unicast+0x449/0x710 [ 3917.287482][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.287482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.287482][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.287482][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.287482][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.287482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.287482][ T72] [ 3917.289425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3917.289425][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.289425][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.289425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.289425][ T72] ip6_route_add+0x1c/0x140 [ 3917.289425][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3917.289425][ T72] addrconf_add_dev+0xe2/0x170 [ 3917.289425][ T72] inet6_addr_add+0x12f/0xa40 [ 3917.289425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.289425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.289425][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.289425][ T72] netlink_unicast+0x449/0x710 [ 3917.289425][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.289425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.289425][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.289425][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.289425][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.289425][ T72] [ 3917.291440][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3917.291440][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3917.291440][ T72] ipv6_find_idev+0x102/0x170 [ 3917.291440][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.291440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.291440][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.291440][ T72] netlink_unicast+0x449/0x710 [ 3917.291440][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.291440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.291440][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.291440][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.291440][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.291440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.291440][ T72] [ 3917.292931][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3917.292931][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3917.292931][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3917.292931][ T72] ipv6_find_idev+0x102/0x170 [ 3917.292931][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.292931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.292931][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.292931][ T72] netlink_unicast+0x449/0x710 [ 3917.292931][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.292931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.292931][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.292931][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.292931][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.292931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.292931][ T72] [ 3917.294508][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3917.294798][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3917.294798][ T72] dst_init+0x84/0x4a0 [ 3917.294798][ T72] dst_alloc+0x97/0x150 [ 3917.294798][ T72] ip6_dst_alloc+0x23/0x90 [ 3917.294798][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3917.294798][ T72] ip6_pol_route+0x56f/0x840 [ 3917.294798][ T72] fib6_rule_lookup+0x456/0x630 [ 3917.294798][ T72] ip6_route_input+0x59c/0xa50 [ 3917.294798][ T72] ipv6_rcv+0x397/0x810 [ 3917.294798][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3917.294798][ T72] process_backlog+0x101/0x620 [ 3917.294798][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3917.294798][ T72] net_rx_action+0x495/0xbe0 [ 3917.294798][ T72] __do_softirq+0x1b5/0x7f6 [ 3917.294798][ T72] [ 3917.296444][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3917.296444][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.296444][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.296444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.296444][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3917.296444][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3917.296444][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3917.296444][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3917.296444][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3917.296444][ T72] addrconf_dad_begin+0x310/0x670 [ 3917.296444][ T72] addrconf_dad_work+0x10b/0xab0 [ 3917.296444][ T72] process_one_work+0x84d/0x18a0 [ 3917.296444][ T72] worker_thread+0x587/0xd30 [ 3917.296444][ T72] kthread+0x28a/0x350 [ 3917.296444][ T72] ret_from_fork+0x31/0x70 [ 3917.296444][ T72] ret_from_fork_asm+0x1a/0x30 [ 3917.296444][ T72] [ 3917.298294][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3917.298294][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.298294][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.298294][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.298294][ T72] ip6_route_add+0x1c/0x140 [ 3917.298294][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3917.298294][ T72] inet6_addr_add+0x4f8/0xa40 [ 3917.298294][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.298294][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.298294][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.298294][ T72] netlink_unicast+0x449/0x710 [ 3917.298294][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.298294][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.298294][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.298294][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.298294][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.298294][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.298294][ T72] [ 3917.300733][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3917.300733][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.300733][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.300733][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.300733][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3917.300733][ T72] ipv6_add_addr+0x411/0x2000 [ 3917.300733][ T72] inet6_addr_add+0x30e/0xa40 [ 3917.300733][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.300733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.300733][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.300733][ T72] netlink_unicast+0x449/0x710 [ 3917.300733][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.300733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.300733][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.300733][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.300733][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.300733][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.300733][ T72] [ 3917.302718][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3917.302718][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.302718][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.302718][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.302718][ T72] ip6_route_add+0x1c/0x140 [ 3917.302718][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3917.302718][ T72] addrconf_add_dev+0xe2/0x170 [ 3917.302718][ T72] inet6_addr_add+0x12f/0xa40 [ 3917.302718][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.302718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.302718][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.302718][ T72] netlink_unicast+0x449/0x710 [ 3917.302718][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.302718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.302718][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.302718][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.302718][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.302718][ T72] [ 3917.304682][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3917.304682][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3917.304682][ T72] ipv6_find_idev+0x102/0x170 [ 3917.304682][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.304682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.304682][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.304682][ T72] netlink_unicast+0x449/0x710 [ 3917.304682][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.304682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.304682][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.304682][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.304682][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.304682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.304682][ T72] [ 3917.306181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3917.306181][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3917.306181][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3917.306181][ T72] ipv6_find_idev+0x102/0x170 [ 3917.306181][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.306181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.306181][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.306181][ T72] netlink_unicast+0x449/0x710 [ 3917.306181][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.306181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.306181][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.306181][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.306181][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.306181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.306181][ T72] [ 3917.307996][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3917.308258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3917.308258][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3917.308258][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3917.308258][ T72] fib6_nh_init+0xa22/0x1580 [ 3917.308258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.308258][ T72] ip6_route_add+0x1c/0x140 [ 3917.308258][ T72] inet6_rtm_newroute+0x104/0x110 [ 3917.308258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.308258][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.308258][ T72] netlink_unicast+0x449/0x710 [ 3917.308258][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.308258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.308258][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.308258][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.308258][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.308258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.308258][ T72] [ 3917.310460][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3917.310460][ T72] dst_init+0x84/0x4a0 [ 3917.310460][ T72] dst_alloc+0x97/0x150 [ 3917.310460][ T72] ip6_dst_alloc+0x23/0x90 [ 3917.310460][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3917.310460][ T72] ip6_pol_route+0x56f/0x840 [ 3917.310460][ T72] fib6_rule_lookup+0x456/0x630 [ 3917.310460][ T72] ip6_route_input+0x59c/0xa50 [ 3917.310460][ T72] ipv6_rcv+0x397/0x810 [ 3917.310460][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3917.310460][ T72] process_backlog+0x101/0x620 [ 3917.310460][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3917.310460][ T72] net_rx_action+0x495/0xbe0 [ 3917.310460][ T72] __do_softirq+0x1b5/0x7f6 [ 3917.310460][ T72] [ 3917.312257][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3917.312257][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.312257][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.312257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.312257][ T72] ip6_route_add+0x1c/0x140 [ 3917.312257][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3917.312257][ T72] inet6_addr_add+0x4f8/0xa40 [ 3917.312257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.312257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.312257][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.312257][ T72] netlink_unicast+0x449/0x710 [ 3917.312257][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.312257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.312257][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.312257][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.312257][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.312257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.312257][ T72] [ 3917.314851][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3917.314851][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.314851][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.314851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.314851][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3917.314851][ T72] ipv6_add_addr+0x411/0x2000 [ 3917.314851][ T72] inet6_addr_add+0x30e/0xa40 [ 3917.314851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.314851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.314851][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.314851][ T72] netlink_unicast+0x449/0x710 [ 3917.314851][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.314851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.314851][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.314851][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.314851][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.314851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.314851][ T72] [ 3917.317028][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3917.317028][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.317028][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.317028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.317028][ T72] ip6_route_add+0x1c/0x140 [ 3917.317028][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3917.317028][ T72] addrconf_add_dev+0xe2/0x170 [ 3917.317028][ T72] inet6_addr_add+0x12f/0xa40 [ 3917.317028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.317028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.317028][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.317028][ T72] netlink_unicast+0x449/0x710 [ 3917.317028][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.317028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.317028][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.317028][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.317028][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.317028][ T72] [ 3917.319334][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3917.319334][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3917.319334][ T72] ipv6_find_idev+0x102/0x170 [ 3917.319334][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.319334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.319334][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.319334][ T72] netlink_unicast+0x449/0x710 [ 3917.319334][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.319334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.319334][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.319334][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.319334][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.319334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.319334][ T72] [ 3917.321055][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3917.321055][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3917.321055][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3917.321055][ T72] ipv6_find_idev+0x102/0x170 [ 3917.321055][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.321055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.321055][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.321055][ T72] netlink_unicast+0x449/0x710 [ 3917.321055][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.321055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.321055][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.321055][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.321055][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.321055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.321055][ T72] [ 3917.322958][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3917.323235][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3917.323235][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.323235][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.323235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.323235][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3917.323235][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3917.323235][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3917.323235][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3917.323235][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3917.323235][ T72] addrconf_dad_begin+0x310/0x670 [ 3917.323235][ T72] addrconf_dad_work+0x10b/0xab0 [ 3917.323235][ T72] process_one_work+0x84d/0x18a0 [ 3917.323235][ T72] worker_thread+0x587/0xd30 [ 3917.323235][ T72] kthread+0x28a/0x350 [ 3917.323235][ T72] ret_from_fork+0x31/0x70 [ 3917.323235][ T72] ret_from_fork_asm+0x1a/0x30 [ 3917.323235][ T72] [ 3917.325367][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3917.325367][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.325367][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.325367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.325367][ T72] ip6_route_add+0x1c/0x140 [ 3917.325367][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3917.325367][ T72] inet6_addr_add+0x4f8/0xa40 [ 3917.325367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.325367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.325367][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.325367][ T72] netlink_unicast+0x449/0x710 [ 3917.325367][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.325367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.325367][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.325367][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.325367][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.325367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.325367][ T72] [ 3917.327599][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3917.327599][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.327599][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.327599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.327599][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3917.327599][ T72] ipv6_add_addr+0x411/0x2000 [ 3917.327599][ T72] inet6_addr_add+0x30e/0xa40 [ 3917.327599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.327599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.327599][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.327599][ T72] netlink_unicast+0x449/0x710 [ 3917.327599][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.327599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.327599][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.327599][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.327599][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.327599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.327599][ T72] [ 3917.329900][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3917.329900][ T72] netdev_get_by_index+0x5e/0x80 [ 3917.329900][ T72] fib6_nh_init+0x3d8/0x1580 [ 3917.329900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3917.329900][ T72] ip6_route_add+0x1c/0x140 [ 3917.329900][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3917.329900][ T72] addrconf_add_dev+0xe2/0x170 [ 3917.329900][ T72] inet6_addr_add+0x12f/0xa40 [ 3917.329900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.329900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.329900][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.329900][ T72] netlink_unicast+0x449/0x710 [ 3917.329900][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.329900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.329900][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.329900][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.329900][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.329900][ T72] [ 3917.332035][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3917.332035][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3917.332035][ T72] ipv6_find_idev+0x102/0x170 [ 3917.332035][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.332035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.332035][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.332035][ T72] netlink_unicast+0x449/0x710 [ 3917.332035][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.332035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.332035][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.332035][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.332035][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.332035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.332035][ T72] [ 3917.333749][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3917.333749][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3917.333749][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3917.333749][ T72] ipv6_find_idev+0x102/0x170 [ 3917.333749][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.333749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.333749][ T72] netlink_rcv_skb+0x130/0x360 [ 3917.333749][ T72] netlink_unicast+0x449/0x710 [ 3917.333749][ T72] netlink_sendmsg+0x723/0xbe0 [ 3917.333749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3917.333749][ T72] ___sys_sendmsg+0xee/0x170 [ 3917.333749][ T72] __sys_sendmsg+0xcd/0x170 [ 3917.333749][ T72] do_syscall_64+0xc6/0x1e0 [ 3917.333749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.333749][ T72] [ 3927.376967][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3927.377726][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3927.377726][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3927.377726][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3927.377726][ T72] fib6_nh_init+0xa22/0x1580 [ 3927.377726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.377726][ T72] ip6_route_add+0x1c/0x140 [ 3927.377726][ T72] inet6_rtm_newroute+0x104/0x110 [ 3927.377726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.377726][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.377726][ T72] netlink_unicast+0x449/0x710 [ 3927.377726][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.377726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.377726][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.377726][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.377726][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.377726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.377726][ T72] [ 3927.379562][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3927.379562][ T72] dst_init+0x84/0x4a0 [ 3927.379562][ T72] dst_alloc+0x97/0x150 [ 3927.379562][ T72] ip6_dst_alloc+0x23/0x90 [ 3927.379562][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3927.379562][ T72] ip6_pol_route+0x56f/0x840 [ 3927.379562][ T72] fib6_rule_lookup+0x456/0x630 [ 3927.379562][ T72] ip6_route_input+0x59c/0xa50 [ 3927.379562][ T72] ipv6_rcv+0x397/0x810 [ 3927.379562][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3927.379562][ T72] process_backlog+0x101/0x620 [ 3927.379562][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3927.379562][ T72] net_rx_action+0x495/0xbe0 [ 3927.379562][ T72] __do_softirq+0x1b5/0x7f6 [ 3927.379562][ T72] [ 3927.381247][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3927.381247][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.381247][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.381247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.381247][ T72] ip6_route_add+0x1c/0x140 [ 3927.381247][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3927.381247][ T72] inet6_addr_add+0x4f8/0xa40 [ 3927.381247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.381247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.381247][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.381247][ T72] netlink_unicast+0x449/0x710 [ 3927.381247][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.381247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.381247][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.381247][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.381247][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.381247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.381247][ T72] [ 3927.383239][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3927.383239][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.383239][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.383239][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.383239][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3927.383239][ T72] ipv6_add_addr+0x411/0x2000 [ 3927.383239][ T72] inet6_addr_add+0x30e/0xa40 [ 3927.383239][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.383239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.383239][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.383239][ T72] netlink_unicast+0x449/0x710 [ 3927.383239][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.383239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.383239][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.383239][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.383239][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.383239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.383239][ T72] [ 3927.385159][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3927.385159][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.385159][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.385159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.385159][ T72] ip6_route_add+0x1c/0x140 [ 3927.385159][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3927.385159][ T72] addrconf_add_dev+0xe2/0x170 [ 3927.385159][ T72] inet6_addr_add+0x12f/0xa40 [ 3927.385159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.385159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.385159][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.385159][ T72] netlink_unicast+0x449/0x710 [ 3927.385159][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.385159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.385159][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.385159][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.385159][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.385159][ T72] [ 3927.387050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3927.387050][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3927.387050][ T72] ipv6_find_idev+0x102/0x170 [ 3927.387050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.387050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.387050][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.387050][ T72] netlink_unicast+0x449/0x710 [ 3927.387050][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.387050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.387050][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.387050][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.387050][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.387050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.387050][ T72] [ 3927.388598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3927.388598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3927.388598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3927.388598][ T72] ipv6_find_idev+0x102/0x170 [ 3927.388598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.388598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.388598][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.388598][ T72] netlink_unicast+0x449/0x710 [ 3927.388598][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.388598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.388598][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.388598][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.388598][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.388598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.388598][ T72] [ 3927.390314][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3927.390591][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3927.390591][ T72] dst_init+0x84/0x4a0 [ 3927.390591][ T72] dst_alloc+0x97/0x150 [ 3927.390591][ T72] ip6_dst_alloc+0x23/0x90 [ 3927.390591][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3927.390591][ T72] ip6_pol_route+0x56f/0x840 [ 3927.390591][ T72] fib6_rule_lookup+0x456/0x630 [ 3927.390591][ T72] ip6_route_input+0x59c/0xa50 [ 3927.390591][ T72] ipv6_rcv+0x397/0x810 [ 3927.390591][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3927.390591][ T72] process_backlog+0x101/0x620 [ 3927.390591][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3927.390591][ T72] net_rx_action+0x495/0xbe0 [ 3927.390591][ T72] __do_softirq+0x1b5/0x7f6 [ 3927.390591][ T72] [ 3927.392288][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3927.392288][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.392288][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.392288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.392288][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3927.392288][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3927.392288][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3927.392288][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3927.392288][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3927.392288][ T72] addrconf_dad_begin+0x310/0x670 [ 3927.392288][ T72] addrconf_dad_work+0x10b/0xab0 [ 3927.392288][ T72] process_one_work+0x84d/0x18a0 [ 3927.392288][ T72] worker_thread+0x587/0xd30 [ 3927.392288][ T72] kthread+0x28a/0x350 [ 3927.392288][ T72] ret_from_fork+0x31/0x70 [ 3927.392288][ T72] ret_from_fork_asm+0x1a/0x30 [ 3927.392288][ T72] [ 3927.394210][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3927.394210][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.394210][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.394210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.394210][ T72] ip6_route_add+0x1c/0x140 [ 3927.394210][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3927.394210][ T72] inet6_addr_add+0x4f8/0xa40 [ 3927.394210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.394210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.394210][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.394210][ T72] netlink_unicast+0x449/0x710 [ 3927.394210][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.394210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.394210][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.394210][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.394210][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.394210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.394210][ T72] [ 3927.396159][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3927.396159][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.396159][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.396159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.396159][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3927.396159][ T72] ipv6_add_addr+0x411/0x2000 [ 3927.396159][ T72] inet6_addr_add+0x30e/0xa40 [ 3927.396159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.396159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.396159][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.396159][ T72] netlink_unicast+0x449/0x710 [ 3927.396159][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.396159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.396159][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.396159][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.396159][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.396159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.396159][ T72] [ 3927.398115][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3927.398115][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.398115][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.398115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.398115][ T72] ip6_route_add+0x1c/0x140 [ 3927.398115][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3927.398115][ T72] addrconf_add_dev+0xe2/0x170 [ 3927.398115][ T72] inet6_addr_add+0x12f/0xa40 [ 3927.398115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.398115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.398115][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.398115][ T72] netlink_unicast+0x449/0x710 [ 3927.398115][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.398115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.398115][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.398115][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.398115][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.398115][ T72] [ 3927.400060][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3927.400060][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3927.400060][ T72] ipv6_find_idev+0x102/0x170 [ 3927.400060][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.400060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.400060][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.400060][ T72] netlink_unicast+0x449/0x710 [ 3927.400060][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.400060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.400060][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.400060][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.400060][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.400060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.400060][ T72] [ 3927.401597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3927.401597][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3927.401597][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3927.401597][ T72] ipv6_find_idev+0x102/0x170 [ 3927.401597][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.401597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.401597][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.401597][ T72] netlink_unicast+0x449/0x710 [ 3927.401597][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.401597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.401597][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.401597][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.401597][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.401597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.401597][ T72] [ 3927.403398][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3927.403679][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3927.403679][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3927.403679][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3927.403679][ T72] fib6_nh_init+0xa22/0x1580 [ 3927.403679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.403679][ T72] ip6_route_add+0x1c/0x140 [ 3927.403679][ T72] inet6_rtm_newroute+0x104/0x110 [ 3927.403679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.403679][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.403679][ T72] netlink_unicast+0x449/0x710 [ 3927.403679][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.403679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.403679][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.403679][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.403679][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.403679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.403679][ T72] [ 3927.405884][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3927.405884][ T72] dst_init+0x84/0x4a0 [ 3927.405884][ T72] dst_alloc+0x97/0x150 [ 3927.405884][ T72] ip6_dst_alloc+0x23/0x90 [ 3927.405884][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3927.405884][ T72] ip6_pol_route+0x56f/0x840 [ 3927.405884][ T72] fib6_rule_lookup+0x456/0x630 [ 3927.405884][ T72] ip6_route_input+0x59c/0xa50 [ 3927.405884][ T72] ipv6_rcv+0x397/0x810 [ 3927.405884][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3927.405884][ T72] process_backlog+0x101/0x620 [ 3927.405884][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3927.405884][ T72] net_rx_action+0x495/0xbe0 [ 3927.405884][ T72] __do_softirq+0x1b5/0x7f6 [ 3927.405884][ T72] [ 3927.407712][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3927.407712][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.407712][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.407712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.407712][ T72] ip6_route_add+0x1c/0x140 [ 3927.407712][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3927.407712][ T72] inet6_addr_add+0x4f8/0xa40 [ 3927.407712][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.407712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.407712][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.407712][ T72] netlink_unicast+0x449/0x710 [ 3927.407712][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.407712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.407712][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.407712][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.407712][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.407712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.407712][ T72] [ 3927.409937][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3927.409937][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.409937][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.409937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.409937][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3927.409937][ T72] ipv6_add_addr+0x411/0x2000 [ 3927.409937][ T72] inet6_addr_add+0x30e/0xa40 [ 3927.409937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.409937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.409937][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.409937][ T72] netlink_unicast+0x449/0x710 [ 3927.409937][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.409937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.409937][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.409937][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.409937][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.409937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.409937][ T72] [ 3927.412137][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3927.412137][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.412137][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.412137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.412137][ T72] ip6_route_add+0x1c/0x140 [ 3927.412137][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3927.412137][ T72] addrconf_add_dev+0xe2/0x170 [ 3927.412137][ T72] inet6_addr_add+0x12f/0xa40 [ 3927.412137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.412137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.412137][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.412137][ T72] netlink_unicast+0x449/0x710 [ 3927.412137][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.412137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.412137][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.412137][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.412137][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.412137][ T72] [ 3927.414391][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3927.414391][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3927.414391][ T72] ipv6_find_idev+0x102/0x170 [ 3927.414391][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.414391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.414391][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.414391][ T72] netlink_unicast+0x449/0x710 [ 3927.414391][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.414391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.414391][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.414391][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.414391][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.414391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.414391][ T72] [ 3927.416135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3927.416135][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3927.416135][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3927.416135][ T72] ipv6_find_idev+0x102/0x170 [ 3927.416135][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.416135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.416135][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.416135][ T72] netlink_unicast+0x449/0x710 [ 3927.416135][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.416135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.416135][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.416135][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.416135][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.416135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.416135][ T72] [ 3927.418012][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3927.418360][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3927.418360][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.418360][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.418360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.418360][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3927.418360][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3927.418360][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3927.418360][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3927.418360][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3927.418360][ T72] addrconf_dad_begin+0x310/0x670 [ 3927.418360][ T72] addrconf_dad_work+0x10b/0xab0 [ 3927.418360][ T72] process_one_work+0x84d/0x18a0 [ 3927.418360][ T72] worker_thread+0x587/0xd30 [ 3927.418360][ T72] kthread+0x28a/0x350 [ 3927.418360][ T72] ret_from_fork+0x31/0x70 [ 3927.418360][ T72] ret_from_fork_asm+0x1a/0x30 [ 3927.418360][ T72] [ 3927.420416][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3927.420416][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.420416][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.420416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.420416][ T72] ip6_route_add+0x1c/0x140 [ 3927.420416][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3927.420416][ T72] inet6_addr_add+0x4f8/0xa40 [ 3927.420416][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.420416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.420416][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.420416][ T72] netlink_unicast+0x449/0x710 [ 3927.420416][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.420416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.420416][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.420416][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.420416][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.420416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.420416][ T72] [ 3927.422688][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3927.422688][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.422688][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.422688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.422688][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3927.422688][ T72] ipv6_add_addr+0x411/0x2000 [ 3927.422688][ T72] inet6_addr_add+0x30e/0xa40 [ 3927.422688][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.422688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.422688][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.422688][ T72] netlink_unicast+0x449/0x710 [ 3927.422688][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.422688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.422688][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.422688][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.422688][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.422688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.422688][ T72] [ 3927.424960][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3927.424960][ T72] netdev_get_by_index+0x5e/0x80 [ 3927.424960][ T72] fib6_nh_init+0x3d8/0x1580 [ 3927.424960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3927.424960][ T72] ip6_route_add+0x1c/0x140 [ 3927.424960][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3927.424960][ T72] addrconf_add_dev+0xe2/0x170 [ 3927.424960][ T72] inet6_addr_add+0x12f/0xa40 [ 3927.424960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.424960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.424960][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.424960][ T72] netlink_unicast+0x449/0x710 [ 3927.424960][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.424960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.424960][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.424960][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.424960][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.424960][ T72] [ 3927.427162][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3927.427162][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3927.427162][ T72] ipv6_find_idev+0x102/0x170 [ 3927.427162][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.427162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.427162][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.427162][ T72] netlink_unicast+0x449/0x710 [ 3927.427162][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.427162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.427162][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.427162][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.427162][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.427162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.427162][ T72] [ 3927.428891][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3927.428891][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3927.428891][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3927.428891][ T72] ipv6_find_idev+0x102/0x170 [ 3927.428891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.428891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.428891][ T72] netlink_rcv_skb+0x130/0x360 [ 3927.428891][ T72] netlink_unicast+0x449/0x710 [ 3927.428891][ T72] netlink_sendmsg+0x723/0xbe0 [ 3927.428891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3927.428891][ T72] ___sys_sendmsg+0xee/0x170 [ 3927.428891][ T72] __sys_sendmsg+0xcd/0x170 [ 3927.428891][ T72] do_syscall_64+0xc6/0x1e0 [ 3927.428891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.428891][ T72] [ 3937.440975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3937.441870][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3937.441870][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3937.441870][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3937.441870][ T72] fib6_nh_init+0xa22/0x1580 [ 3937.441870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.441870][ T72] ip6_route_add+0x1c/0x140 [ 3937.441870][ T72] inet6_rtm_newroute+0x104/0x110 [ 3937.441870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.441870][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.441870][ T72] netlink_unicast+0x449/0x710 [ 3937.441870][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.441870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.441870][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.441870][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.441870][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.441870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.441870][ T72] [ 3937.443658][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3937.443658][ T72] dst_init+0x84/0x4a0 [ 3937.443658][ T72] dst_alloc+0x97/0x150 [ 3937.443658][ T72] ip6_dst_alloc+0x23/0x90 [ 3937.443658][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3937.443658][ T72] ip6_pol_route+0x56f/0x840 [ 3937.443658][ T72] fib6_rule_lookup+0x456/0x630 [ 3937.443658][ T72] ip6_route_input+0x59c/0xa50 [ 3937.443658][ T72] ipv6_rcv+0x397/0x810 [ 3937.443658][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3937.443658][ T72] process_backlog+0x101/0x620 [ 3937.443658][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3937.443658][ T72] net_rx_action+0x495/0xbe0 [ 3937.443658][ T72] __do_softirq+0x1b5/0x7f6 [ 3937.443658][ T72] [ 3937.445184][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3937.445184][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.445184][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.445184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.445184][ T72] ip6_route_add+0x1c/0x140 [ 3937.445184][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3937.445184][ T72] inet6_addr_add+0x4f8/0xa40 [ 3937.445184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.445184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.445184][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.445184][ T72] netlink_unicast+0x449/0x710 [ 3937.445184][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.445184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.445184][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.445184][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.445184][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.445184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.445184][ T72] [ 3937.447098][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3937.447098][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.447098][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.447098][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.447098][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3937.447098][ T72] ipv6_add_addr+0x411/0x2000 [ 3937.447098][ T72] inet6_addr_add+0x30e/0xa40 [ 3937.447098][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.447098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.447098][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.447098][ T72] netlink_unicast+0x449/0x710 [ 3937.447098][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.447098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.447098][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.447098][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.447098][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.447098][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.447098][ T72] [ 3937.449090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3937.449090][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.449090][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.449090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.449090][ T72] ip6_route_add+0x1c/0x140 [ 3937.449090][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3937.449090][ T72] addrconf_add_dev+0xe2/0x170 [ 3937.449090][ T72] inet6_addr_add+0x12f/0xa40 [ 3937.449090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.449090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.449090][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.449090][ T72] netlink_unicast+0x449/0x710 [ 3937.449090][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.449090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.449090][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.449090][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.449090][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.449090][ T72] [ 3937.451088][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3937.451088][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3937.451088][ T72] ipv6_find_idev+0x102/0x170 [ 3937.451088][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.451088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.451088][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.451088][ T72] netlink_unicast+0x449/0x710 [ 3937.451088][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.451088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.451088][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.451088][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.451088][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.451088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.451088][ T72] [ 3937.452617][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3937.452617][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3937.452617][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3937.452617][ T72] ipv6_find_idev+0x102/0x170 [ 3937.452617][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.452617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.452617][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.452617][ T72] netlink_unicast+0x449/0x710 [ 3937.452617][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.452617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.452617][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.452617][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.452617][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.452617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.452617][ T72] [ 3937.454296][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3937.454563][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3937.454563][ T72] dst_init+0x84/0x4a0 [ 3937.454563][ T72] dst_alloc+0x97/0x150 [ 3937.454563][ T72] ip6_dst_alloc+0x23/0x90 [ 3937.454563][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3937.454563][ T72] ip6_pol_route+0x56f/0x840 [ 3937.454563][ T72] fib6_rule_lookup+0x456/0x630 [ 3937.454563][ T72] ip6_route_input+0x59c/0xa50 [ 3937.454563][ T72] ipv6_rcv+0x397/0x810 [ 3937.454563][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3937.454563][ T72] process_backlog+0x101/0x620 [ 3937.454563][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3937.454563][ T72] net_rx_action+0x495/0xbe0 [ 3937.454563][ T72] __do_softirq+0x1b5/0x7f6 [ 3937.454563][ T72] [ 3937.456144][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3937.456144][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.456144][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.456144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.456144][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3937.456144][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3937.456144][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3937.456144][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3937.456144][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3937.456144][ T72] addrconf_dad_begin+0x310/0x670 [ 3937.456144][ T72] addrconf_dad_work+0x10b/0xab0 [ 3937.456144][ T72] process_one_work+0x84d/0x18a0 [ 3937.456144][ T72] worker_thread+0x587/0xd30 [ 3937.456144][ T72] kthread+0x28a/0x350 [ 3937.456144][ T72] ret_from_fork+0x31/0x70 [ 3937.456144][ T72] ret_from_fork_asm+0x1a/0x30 [ 3937.456144][ T72] [ 3937.458062][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3937.458062][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.458062][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.458062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.458062][ T72] ip6_route_add+0x1c/0x140 [ 3937.458062][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3937.458062][ T72] inet6_addr_add+0x4f8/0xa40 [ 3937.458062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.458062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.458062][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.458062][ T72] netlink_unicast+0x449/0x710 [ 3937.458062][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.458062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.458062][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.458062][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.458062][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.458062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.458062][ T72] [ 3937.460089][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3937.460089][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.460089][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.460089][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.460089][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3937.460089][ T72] ipv6_add_addr+0x411/0x2000 [ 3937.460089][ T72] inet6_addr_add+0x30e/0xa40 [ 3937.460089][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.460089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.460089][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.460089][ T72] netlink_unicast+0x449/0x710 [ 3937.460089][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.460089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.460089][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.460089][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.460089][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.460089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.460089][ T72] [ 3937.462146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3937.462146][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.462146][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.462146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.462146][ T72] ip6_route_add+0x1c/0x140 [ 3937.462146][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3937.462146][ T72] addrconf_add_dev+0xe2/0x170 [ 3937.462146][ T72] inet6_addr_add+0x12f/0xa40 [ 3937.462146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.462146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.462146][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.462146][ T72] netlink_unicast+0x449/0x710 [ 3937.462146][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.462146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.462146][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.462146][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.462146][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.462146][ T72] [ 3937.464120][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3937.464120][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3937.464120][ T72] ipv6_find_idev+0x102/0x170 [ 3937.464120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.464120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.464120][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.464120][ T72] netlink_unicast+0x449/0x710 [ 3937.464120][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.464120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.464120][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.464120][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.464120][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.464120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.464120][ T72] [ 3937.465684][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3937.465684][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3937.465684][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3937.465684][ T72] ipv6_find_idev+0x102/0x170 [ 3937.465684][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.465684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.465684][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.465684][ T72] netlink_unicast+0x449/0x710 [ 3937.465684][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.465684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.465684][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.465684][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.465684][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.465684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.465684][ T72] [ 3937.467473][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3937.467762][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3937.467762][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3937.467762][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3937.467762][ T72] fib6_nh_init+0xa22/0x1580 [ 3937.467762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.467762][ T72] ip6_route_add+0x1c/0x140 [ 3937.467762][ T72] inet6_rtm_newroute+0x104/0x110 [ 3937.467762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.467762][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.467762][ T72] netlink_unicast+0x449/0x710 [ 3937.467762][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.467762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.467762][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.467762][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.467762][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.467762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.467762][ T72] [ 3937.469963][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3937.469963][ T72] dst_init+0x84/0x4a0 [ 3937.469963][ T72] dst_alloc+0x97/0x150 [ 3937.469963][ T72] ip6_dst_alloc+0x23/0x90 [ 3937.469963][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3937.469963][ T72] ip6_pol_route+0x56f/0x840 [ 3937.469963][ T72] fib6_rule_lookup+0x456/0x630 [ 3937.469963][ T72] ip6_route_input+0x59c/0xa50 [ 3937.469963][ T72] ipv6_rcv+0x397/0x810 [ 3937.469963][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3937.469963][ T72] process_backlog+0x101/0x620 [ 3937.469963][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3937.469963][ T72] net_rx_action+0x495/0xbe0 [ 3937.469963][ T72] __do_softirq+0x1b5/0x7f6 [ 3937.469963][ T72] [ 3937.471776][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3937.471776][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.471776][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.471776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.471776][ T72] ip6_route_add+0x1c/0x140 [ 3937.471776][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3937.471776][ T72] inet6_addr_add+0x4f8/0xa40 [ 3937.471776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.471776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.471776][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.471776][ T72] netlink_unicast+0x449/0x710 [ 3937.471776][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.471776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.471776][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.471776][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.471776][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.471776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.471776][ T72] [ 3937.474017][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3937.474017][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.474017][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.474017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.474017][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3937.474017][ T72] ipv6_add_addr+0x411/0x2000 [ 3937.474017][ T72] inet6_addr_add+0x30e/0xa40 [ 3937.474017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.474017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.474017][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.474017][ T72] netlink_unicast+0x449/0x710 [ 3937.474017][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.474017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.474017][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.474017][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.474017][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.474017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.474017][ T72] [ 3937.476165][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3937.476165][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.476165][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.476165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.476165][ T72] ip6_route_add+0x1c/0x140 [ 3937.476165][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3937.476165][ T72] addrconf_add_dev+0xe2/0x170 [ 3937.476165][ T72] inet6_addr_add+0x12f/0xa40 [ 3937.476165][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.476165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.476165][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.476165][ T72] netlink_unicast+0x449/0x710 [ 3937.476165][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.476165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.476165][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.476165][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.476165][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.476165][ T72] [ 3937.478448][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3937.478448][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3937.478448][ T72] ipv6_find_idev+0x102/0x170 [ 3937.478448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.478448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.478448][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.478448][ T72] netlink_unicast+0x449/0x710 [ 3937.478448][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.478448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.478448][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.478448][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.478448][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.478448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.478448][ T72] [ 3937.480166][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3937.480166][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3937.480166][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3937.480166][ T72] ipv6_find_idev+0x102/0x170 [ 3937.480166][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.480166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.480166][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.480166][ T72] netlink_unicast+0x449/0x710 [ 3937.480166][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.480166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.480166][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.480166][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.480166][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.480166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.480166][ T72] [ 3937.482080][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3937.482430][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3937.482430][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.482430][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.482430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.482430][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3937.482430][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3937.482430][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3937.482430][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3937.482430][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3937.482430][ T72] addrconf_dad_begin+0x310/0x670 [ 3937.482430][ T72] addrconf_dad_work+0x10b/0xab0 [ 3937.482430][ T72] process_one_work+0x84d/0x18a0 [ 3937.482430][ T72] worker_thread+0x587/0xd30 [ 3937.482430][ T72] kthread+0x28a/0x350 [ 3937.482430][ T72] ret_from_fork+0x31/0x70 [ 3937.482430][ T72] ret_from_fork_asm+0x1a/0x30 [ 3937.482430][ T72] [ 3937.484478][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3937.484478][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.484478][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.484478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.484478][ T72] ip6_route_add+0x1c/0x140 [ 3937.484478][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3937.484478][ T72] inet6_addr_add+0x4f8/0xa40 [ 3937.484478][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.484478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.484478][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.484478][ T72] netlink_unicast+0x449/0x710 [ 3937.484478][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.484478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.484478][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.484478][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.484478][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.484478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.484478][ T72] [ 3937.486698][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3937.486698][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.486698][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.486698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.486698][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3937.486698][ T72] ipv6_add_addr+0x411/0x2000 [ 3937.486698][ T72] inet6_addr_add+0x30e/0xa40 [ 3937.486698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.486698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.486698][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.486698][ T72] netlink_unicast+0x449/0x710 [ 3937.486698][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.486698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.486698][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.486698][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.486698][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.486698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.486698][ T72] [ 3937.488992][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3937.488992][ T72] netdev_get_by_index+0x5e/0x80 [ 3937.488992][ T72] fib6_nh_init+0x3d8/0x1580 [ 3937.488992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3937.488992][ T72] ip6_route_add+0x1c/0x140 [ 3937.488992][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3937.488992][ T72] addrconf_add_dev+0xe2/0x170 [ 3937.488992][ T72] inet6_addr_add+0x12f/0xa40 [ 3937.488992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.488992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.488992][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.488992][ T72] netlink_unicast+0x449/0x710 [ 3937.488992][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.488992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.488992][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.488992][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.488992][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.488992][ T72] [ 3937.491206][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3937.491206][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3937.491206][ T72] ipv6_find_idev+0x102/0x170 [ 3937.491206][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.491206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.491206][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.491206][ T72] netlink_unicast+0x449/0x710 [ 3937.491206][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.491206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.491206][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.491206][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.491206][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.491206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.491206][ T72] [ 3937.492897][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3937.492897][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3937.492897][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3937.492897][ T72] ipv6_find_idev+0x102/0x170 [ 3937.492897][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.492897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.492897][ T72] netlink_rcv_skb+0x130/0x360 [ 3937.492897][ T72] netlink_unicast+0x449/0x710 [ 3937.492897][ T72] netlink_sendmsg+0x723/0xbe0 [ 3937.492897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3937.492897][ T72] ___sys_sendmsg+0xee/0x170 [ 3937.492897][ T72] __sys_sendmsg+0xcd/0x170 [ 3937.492897][ T72] do_syscall_64+0xc6/0x1e0 [ 3937.492897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.492897][ T72] [ 3947.544972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3947.545659][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3947.545659][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3947.545659][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3947.545659][ T72] fib6_nh_init+0xa22/0x1580 [ 3947.545659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.545659][ T72] ip6_route_add+0x1c/0x140 [ 3947.545659][ T72] inet6_rtm_newroute+0x104/0x110 [ 3947.545659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.545659][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.545659][ T72] netlink_unicast+0x449/0x710 [ 3947.545659][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.545659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.545659][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.545659][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.545659][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.545659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.545659][ T72] [ 3947.547508][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3947.547508][ T72] dst_init+0x84/0x4a0 [ 3947.547508][ T72] dst_alloc+0x97/0x150 [ 3947.547508][ T72] ip6_dst_alloc+0x23/0x90 [ 3947.547508][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3947.547508][ T72] ip6_pol_route+0x56f/0x840 [ 3947.547508][ T72] fib6_rule_lookup+0x456/0x630 [ 3947.547508][ T72] ip6_route_input+0x59c/0xa50 [ 3947.547508][ T72] ipv6_rcv+0x397/0x810 [ 3947.547508][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3947.547508][ T72] process_backlog+0x101/0x620 [ 3947.547508][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3947.547508][ T72] net_rx_action+0x495/0xbe0 [ 3947.547508][ T72] __do_softirq+0x1b5/0x7f6 [ 3947.547508][ T72] [ 3947.549123][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3947.549123][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.549123][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.549123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.549123][ T72] ip6_route_add+0x1c/0x140 [ 3947.549123][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3947.549123][ T72] inet6_addr_add+0x4f8/0xa40 [ 3947.549123][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.549123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.549123][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.549123][ T72] netlink_unicast+0x449/0x710 [ 3947.549123][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.549123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.549123][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.549123][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.549123][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.549123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.549123][ T72] [ 3947.551141][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3947.551141][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.551141][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.551141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.551141][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3947.551141][ T72] ipv6_add_addr+0x411/0x2000 [ 3947.551141][ T72] inet6_addr_add+0x30e/0xa40 [ 3947.551141][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.551141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.551141][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.551141][ T72] netlink_unicast+0x449/0x710 [ 3947.551141][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.551141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.551141][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.551141][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.551141][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.551141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.551141][ T72] [ 3947.553132][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3947.553132][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.553132][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.553132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.553132][ T72] ip6_route_add+0x1c/0x140 [ 3947.553132][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3947.553132][ T72] addrconf_add_dev+0xe2/0x170 [ 3947.553132][ T72] inet6_addr_add+0x12f/0xa40 [ 3947.553132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.553132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.553132][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.553132][ T72] netlink_unicast+0x449/0x710 [ 3947.553132][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.553132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.553132][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.553132][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.553132][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.553132][ T72] [ 3947.555054][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3947.555054][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3947.555054][ T72] ipv6_find_idev+0x102/0x170 [ 3947.555054][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.555054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.555054][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.555054][ T72] netlink_unicast+0x449/0x710 [ 3947.555054][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.555054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.555054][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.555054][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.555054][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.555054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.555054][ T72] [ 3947.556559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3947.556559][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3947.556559][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3947.556559][ T72] ipv6_find_idev+0x102/0x170 [ 3947.556559][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.556559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.556559][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.556559][ T72] netlink_unicast+0x449/0x710 [ 3947.556559][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.556559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.556559][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.556559][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.556559][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.556559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.556559][ T72] [ 3947.558253][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3947.558538][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3947.558538][ T72] dst_init+0x84/0x4a0 [ 3947.558538][ T72] dst_alloc+0x97/0x150 [ 3947.558538][ T72] ip6_dst_alloc+0x23/0x90 [ 3947.558538][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3947.558538][ T72] ip6_pol_route+0x56f/0x840 [ 3947.558538][ T72] fib6_rule_lookup+0x456/0x630 [ 3947.558538][ T72] ip6_route_input+0x59c/0xa50 [ 3947.558538][ T72] ipv6_rcv+0x397/0x810 [ 3947.558538][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3947.558538][ T72] process_backlog+0x101/0x620 [ 3947.558538][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3947.558538][ T72] net_rx_action+0x495/0xbe0 [ 3947.558538][ T72] __do_softirq+0x1b5/0x7f6 [ 3947.558538][ T72] [ 3947.560181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3947.560181][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.560181][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.560181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.560181][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3947.560181][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3947.560181][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3947.560181][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3947.560181][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3947.560181][ T72] addrconf_dad_begin+0x310/0x670 [ 3947.560181][ T72] addrconf_dad_work+0x10b/0xab0 [ 3947.560181][ T72] process_one_work+0x84d/0x18a0 [ 3947.560181][ T72] worker_thread+0x587/0xd30 [ 3947.560181][ T72] kthread+0x28a/0x350 [ 3947.560181][ T72] ret_from_fork+0x31/0x70 [ 3947.560181][ T72] ret_from_fork_asm+0x1a/0x30 [ 3947.560181][ T72] [ 3947.562090][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3947.562090][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.562090][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.562090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.562090][ T72] ip6_route_add+0x1c/0x140 [ 3947.562090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3947.562090][ T72] inet6_addr_add+0x4f8/0xa40 [ 3947.562090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.562090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.562090][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.562090][ T72] netlink_unicast+0x449/0x710 [ 3947.562090][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.562090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.562090][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.562090][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.562090][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.562090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.562090][ T72] [ 3947.564062][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3947.564062][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.564062][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.564062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.564062][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3947.564062][ T72] ipv6_add_addr+0x411/0x2000 [ 3947.564062][ T72] inet6_addr_add+0x30e/0xa40 [ 3947.564062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.564062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.564062][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.564062][ T72] netlink_unicast+0x449/0x710 [ 3947.564062][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.564062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.564062][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.564062][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.564062][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.564062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.564062][ T72] [ 3947.566013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3947.566013][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.566013][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.566013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.566013][ T72] ip6_route_add+0x1c/0x140 [ 3947.566013][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3947.566013][ T72] addrconf_add_dev+0xe2/0x170 [ 3947.566013][ T72] inet6_addr_add+0x12f/0xa40 [ 3947.566013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.566013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.566013][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.566013][ T72] netlink_unicast+0x449/0x710 [ 3947.566013][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.566013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.566013][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.566013][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.566013][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.566013][ T72] [ 3947.567959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3947.567959][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3947.567959][ T72] ipv6_find_idev+0x102/0x170 [ 3947.567959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.567959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.567959][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.567959][ T72] netlink_unicast+0x449/0x710 [ 3947.567959][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.567959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.567959][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.567959][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.567959][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.567959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.567959][ T72] [ 3947.569481][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3947.569481][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3947.569481][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3947.569481][ T72] ipv6_find_idev+0x102/0x170 [ 3947.569481][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.569481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.569481][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.569481][ T72] netlink_unicast+0x449/0x710 [ 3947.569481][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.569481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.569481][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.569481][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.569481][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.569481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.569481][ T72] [ 3947.571281][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3947.571628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3947.571628][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3947.571628][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3947.571628][ T72] fib6_nh_init+0xa22/0x1580 [ 3947.571628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.571628][ T72] ip6_route_add+0x1c/0x140 [ 3947.571628][ T72] inet6_rtm_newroute+0x104/0x110 [ 3947.571628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.571628][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.571628][ T72] netlink_unicast+0x449/0x710 [ 3947.571628][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.571628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.571628][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.571628][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.571628][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.571628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.571628][ T72] [ 3947.573733][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3947.573733][ T72] dst_init+0x84/0x4a0 [ 3947.573733][ T72] dst_alloc+0x97/0x150 [ 3947.573733][ T72] ip6_dst_alloc+0x23/0x90 [ 3947.573733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3947.573733][ T72] ip6_pol_route+0x56f/0x840 [ 3947.573733][ T72] fib6_rule_lookup+0x456/0x630 [ 3947.573733][ T72] ip6_route_input+0x59c/0xa50 [ 3947.573733][ T72] ipv6_rcv+0x397/0x810 [ 3947.573733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3947.573733][ T72] process_backlog+0x101/0x620 [ 3947.573733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3947.573733][ T72] net_rx_action+0x495/0xbe0 [ 3947.573733][ T72] __do_softirq+0x1b5/0x7f6 [ 3947.573733][ T72] [ 3947.575517][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3947.575517][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.575517][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.575517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.575517][ T72] ip6_route_add+0x1c/0x140 [ 3947.575517][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3947.575517][ T72] inet6_addr_add+0x4f8/0xa40 [ 3947.575517][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.575517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.575517][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.575517][ T72] netlink_unicast+0x449/0x710 [ 3947.575517][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.575517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.575517][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.575517][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.575517][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.575517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.575517][ T72] [ 3947.577753][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3947.577753][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.577753][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.577753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.577753][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3947.577753][ T72] ipv6_add_addr+0x411/0x2000 [ 3947.577753][ T72] inet6_addr_add+0x30e/0xa40 [ 3947.577753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.577753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.577753][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.577753][ T72] netlink_unicast+0x449/0x710 [ 3947.577753][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.577753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.577753][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.577753][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.577753][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.577753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.577753][ T72] [ 3947.579985][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3947.579985][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.579985][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.579985][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.579985][ T72] ip6_route_add+0x1c/0x140 [ 3947.579985][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3947.579985][ T72] addrconf_add_dev+0xe2/0x170 [ 3947.579985][ T72] inet6_addr_add+0x12f/0xa40 [ 3947.579985][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.579985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.579985][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.579985][ T72] netlink_unicast+0x449/0x710 [ 3947.579985][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.579985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.579985][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.579985][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.579985][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.579985][ T72] [ 3947.582245][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3947.582245][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3947.582245][ T72] ipv6_find_idev+0x102/0x170 [ 3947.582245][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.582245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.582245][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.582245][ T72] netlink_unicast+0x449/0x710 [ 3947.582245][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.582245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.582245][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.582245][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.582245][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.582245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.582245][ T72] [ 3947.583973][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3947.583973][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3947.583973][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3947.583973][ T72] ipv6_find_idev+0x102/0x170 [ 3947.583973][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.583973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.583973][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.583973][ T72] netlink_unicast+0x449/0x710 [ 3947.583973][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.583973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.583973][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.583973][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.583973][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.583973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.583973][ T72] [ 3947.585810][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3947.586103][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3947.586103][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.586103][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.586103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.586103][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3947.586103][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3947.586103][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3947.586103][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3947.586103][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3947.586103][ T72] addrconf_dad_begin+0x310/0x670 [ 3947.586103][ T72] addrconf_dad_work+0x10b/0xab0 [ 3947.586103][ T72] process_one_work+0x84d/0x18a0 [ 3947.586103][ T72] worker_thread+0x587/0xd30 [ 3947.586103][ T72] kthread+0x28a/0x350 [ 3947.586103][ T72] ret_from_fork+0x31/0x70 [ 3947.586103][ T72] ret_from_fork_asm+0x1a/0x30 [ 3947.586103][ T72] [ 3947.588250][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3947.588250][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.588250][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.588250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.588250][ T72] ip6_route_add+0x1c/0x140 [ 3947.588250][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3947.588250][ T72] inet6_addr_add+0x4f8/0xa40 [ 3947.588250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.588250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.588250][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.588250][ T72] netlink_unicast+0x449/0x710 [ 3947.588250][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.588250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.588250][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.588250][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.588250][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.588250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.588250][ T72] [ 3947.590471][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3947.590471][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.590471][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.590471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.590471][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3947.590471][ T72] ipv6_add_addr+0x411/0x2000 [ 3947.590471][ T72] inet6_addr_add+0x30e/0xa40 [ 3947.590471][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.590471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.590471][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.590471][ T72] netlink_unicast+0x449/0x710 [ 3947.590471][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.590471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.590471][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.590471][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.590471][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.590471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.590471][ T72] [ 3947.592771][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3947.592771][ T72] netdev_get_by_index+0x5e/0x80 [ 3947.592771][ T72] fib6_nh_init+0x3d8/0x1580 [ 3947.592771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3947.592771][ T72] ip6_route_add+0x1c/0x140 [ 3947.592771][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3947.592771][ T72] addrconf_add_dev+0xe2/0x170 [ 3947.592771][ T72] inet6_addr_add+0x12f/0xa40 [ 3947.592771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.592771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.592771][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.592771][ T72] netlink_unicast+0x449/0x710 [ 3947.592771][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.592771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.592771][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.592771][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.592771][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.592771][ T72] [ 3947.594913][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3947.594913][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3947.594913][ T72] ipv6_find_idev+0x102/0x170 [ 3947.594913][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.594913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.594913][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.594913][ T72] netlink_unicast+0x449/0x710 [ 3947.594913][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.594913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.594913][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.594913][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.594913][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.594913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.594913][ T72] [ 3947.596589][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3947.596589][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3947.596589][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3947.596589][ T72] ipv6_find_idev+0x102/0x170 [ 3947.596589][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.596589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.596589][ T72] netlink_rcv_skb+0x130/0x360 [ 3947.596589][ T72] netlink_unicast+0x449/0x710 [ 3947.596589][ T72] netlink_sendmsg+0x723/0xbe0 [ 3947.596589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3947.596589][ T72] ___sys_sendmsg+0xee/0x170 [ 3947.596589][ T72] __sys_sendmsg+0xcd/0x170 [ 3947.596589][ T72] do_syscall_64+0xc6/0x1e0 [ 3947.596589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.596589][ T72] [ 3957.808933][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3957.809729][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3957.809729][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3957.809729][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3957.809729][ T72] fib6_nh_init+0xa22/0x1580 [ 3957.809729][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.809729][ T72] ip6_route_add+0x1c/0x140 [ 3957.809729][ T72] inet6_rtm_newroute+0x104/0x110 [ 3957.809729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.809729][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.809729][ T72] netlink_unicast+0x449/0x710 [ 3957.809729][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.809729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.809729][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.809729][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.809729][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.809729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.809729][ T72] [ 3957.812147][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3957.812147][ T72] dst_init+0x84/0x4a0 [ 3957.812147][ T72] dst_alloc+0x97/0x150 [ 3957.812147][ T72] ip6_dst_alloc+0x23/0x90 [ 3957.812147][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3957.812147][ T72] ip6_pol_route+0x56f/0x840 [ 3957.812147][ T72] fib6_rule_lookup+0x456/0x630 [ 3957.812147][ T72] ip6_route_input+0x59c/0xa50 [ 3957.812147][ T72] ipv6_rcv+0x397/0x810 [ 3957.812147][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3957.812147][ T72] process_backlog+0x101/0x620 [ 3957.812147][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3957.812147][ T72] net_rx_action+0x495/0xbe0 [ 3957.812147][ T72] __do_softirq+0x1b5/0x7f6 [ 3957.812147][ T72] [ 3957.813806][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3957.813806][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.813806][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.813806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.813806][ T72] ip6_route_add+0x1c/0x140 [ 3957.813806][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3957.813806][ T72] inet6_addr_add+0x4f8/0xa40 [ 3957.813806][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.813806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.813806][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.813806][ T72] netlink_unicast+0x449/0x710 [ 3957.813806][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.813806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.813806][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.813806][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.813806][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.813806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.813806][ T72] [ 3957.816199][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3957.816199][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.816199][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.816199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.816199][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3957.816199][ T72] ipv6_add_addr+0x411/0x2000 [ 3957.816199][ T72] inet6_addr_add+0x30e/0xa40 [ 3957.816199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.816199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.816199][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.816199][ T72] netlink_unicast+0x449/0x710 [ 3957.816199][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.816199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.816199][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.816199][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.816199][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.816199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.816199][ T72] [ 3957.818218][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3957.818218][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.818218][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.818218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.818218][ T72] ip6_route_add+0x1c/0x140 [ 3957.818218][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3957.818218][ T72] addrconf_add_dev+0xe2/0x170 [ 3957.818218][ T72] inet6_addr_add+0x12f/0xa40 [ 3957.818218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.818218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.818218][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.818218][ T72] netlink_unicast+0x449/0x710 [ 3957.818218][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.818218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.818218][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.818218][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.818218][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.818218][ T72] [ 3957.820188][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3957.820188][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3957.820188][ T72] ipv6_find_idev+0x102/0x170 [ 3957.820188][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3957.820188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.820188][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.820188][ T72] netlink_unicast+0x449/0x710 [ 3957.820188][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.820188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.820188][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.820188][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.820188][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.820188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.820188][ T72] [ 3957.821736][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3957.821736][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3957.821736][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3957.821736][ T72] ipv6_find_idev+0x102/0x170 [ 3957.821736][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3957.821736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.821736][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.821736][ T72] netlink_unicast+0x449/0x710 [ 3957.821736][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.821736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.821736][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.821736][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.821736][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.821736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.821736][ T72] [ 3957.823426][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3957.823700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3957.823700][ T72] dst_init+0x84/0x4a0 [ 3957.823700][ T72] dst_alloc+0x97/0x150 [ 3957.823700][ T72] ip6_dst_alloc+0x23/0x90 [ 3957.823700][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3957.823700][ T72] ip6_pol_route+0x56f/0x840 [ 3957.823700][ T72] fib6_rule_lookup+0x456/0x630 [ 3957.823700][ T72] ip6_route_input+0x59c/0xa50 [ 3957.823700][ T72] ipv6_rcv+0x397/0x810 [ 3957.823700][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3957.823700][ T72] process_backlog+0x101/0x620 [ 3957.823700][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3957.823700][ T72] net_rx_action+0x495/0xbe0 [ 3957.823700][ T72] __do_softirq+0x1b5/0x7f6 [ 3957.823700][ T72] [ 3957.825354][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3957.825354][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.825354][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.825354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.825354][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3957.825354][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3957.825354][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3957.825354][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3957.825354][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3957.825354][ T72] addrconf_dad_begin+0x310/0x670 [ 3957.825354][ T72] addrconf_dad_work+0x10b/0xab0 [ 3957.825354][ T72] process_one_work+0x84d/0x18a0 [ 3957.825354][ T72] worker_thread+0x587/0xd30 [ 3957.825354][ T72] kthread+0x28a/0x350 [ 3957.825354][ T72] ret_from_fork+0x31/0x70 [ 3957.825354][ T72] ret_from_fork_asm+0x1a/0x30 [ 3957.825354][ T72] [ 3957.827270][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3957.827270][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.827270][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.827270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.827270][ T72] ip6_route_add+0x1c/0x140 [ 3957.827270][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3957.827270][ T72] inet6_addr_add+0x4f8/0xa40 [ 3957.827270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.827270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.827270][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.827270][ T72] netlink_unicast+0x449/0x710 [ 3957.827270][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.827270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.827270][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.827270][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.827270][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.827270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.827270][ T72] [ 3957.829290][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3957.829290][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.829290][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.829290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.829290][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3957.829290][ T72] ipv6_add_addr+0x411/0x2000 [ 3957.829290][ T72] inet6_addr_add+0x30e/0xa40 [ 3957.829290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.829290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.829290][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.829290][ T72] netlink_unicast+0x449/0x710 [ 3957.829290][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.829290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.829290][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.829290][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.829290][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.829290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.829290][ T72] [ 3957.831310][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3957.831310][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.831310][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.831310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.831310][ T72] ip6_route_add+0x1c/0x140 [ 3957.831310][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3957.831310][ T72] addrconf_add_dev+0xe2/0x170 [ 3957.831310][ T72] inet6_addr_add+0x12f/0xa40 [ 3957.831310][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.831310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.831310][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.831310][ T72] netlink_unicast+0x449/0x710 [ 3957.831310][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.831310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.831310][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.831310][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.831310][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.831310][ T72] [ 3957.833653][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3957.833653][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3957.833653][ T72] ipv6_find_idev+0x102/0x170 [ 3957.833653][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3957.833653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.833653][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.833653][ T72] netlink_unicast+0x449/0x710 [ 3957.833653][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.833653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.833653][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.833653][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.833653][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.833653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.833653][ T72] [ 3957.835204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3957.835204][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3957.835204][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3957.835204][ T72] ipv6_find_idev+0x102/0x170 [ 3957.835204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3957.835204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.835204][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.835204][ T72] netlink_unicast+0x449/0x710 [ 3957.835204][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.835204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.835204][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.835204][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.835204][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.835204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.835204][ T72] [ 3957.836970][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3957.837316][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3957.837316][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3957.837316][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3957.837316][ T72] fib6_nh_init+0xa22/0x1580 [ 3957.837316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.837316][ T72] ip6_route_add+0x1c/0x140 [ 3957.837316][ T72] inet6_rtm_newroute+0x104/0x110 [ 3957.837316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.837316][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.837316][ T72] netlink_unicast+0x449/0x710 [ 3957.837316][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.837316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.837316][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.837316][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.837316][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.837316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.837316][ T72] [ 3957.839462][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3957.839462][ T72] dst_init+0x84/0x4a0 [ 3957.839462][ T72] dst_alloc+0x97/0x150 [ 3957.839462][ T72] ip6_dst_alloc+0x23/0x90 [ 3957.839462][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3957.839462][ T72] ip6_pol_route+0x56f/0x840 [ 3957.839462][ T72] fib6_rule_lookup+0x456/0x630 [ 3957.839462][ T72] ip6_route_input+0x59c/0xa50 [ 3957.839462][ T72] ipv6_rcv+0x397/0x810 [ 3957.839462][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3957.839462][ T72] process_backlog+0x101/0x620 [ 3957.839462][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3957.839462][ T72] net_rx_action+0x495/0xbe0 [ 3957.839462][ T72] __do_softirq+0x1b5/0x7f6 [ 3957.839462][ T72] [ 3957.841343][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3957.841343][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.841343][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.841343][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.841343][ T72] ip6_route_add+0x1c/0x140 [ 3957.841343][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3957.841343][ T72] inet6_addr_add+0x4f8/0xa40 [ 3957.841343][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.841343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.841343][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.841343][ T72] netlink_unicast+0x449/0x710 [ 3957.841343][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.841343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.841343][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.841343][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.841343][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.841343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.841343][ T72] [ 3957.843545][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3957.843545][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.843545][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.843545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.843545][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3957.843545][ T72] ipv6_add_addr+0x411/0x2000 [ 3957.843545][ T72] inet6_addr_add+0x30e/0xa40 [ 3957.843545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.843545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.843545][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.843545][ T72] netlink_unicast+0x449/0x710 [ 3957.843545][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.843545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.843545][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.843545][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.843545][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.843545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.843545][ T72] [ 3957.845804][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3957.845804][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.845804][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.845804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.845804][ T72] ip6_route_add+0x1c/0x140 [ 3957.845804][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3957.845804][ T72] addrconf_add_dev+0xe2/0x170 [ 3957.845804][ T72] inet6_addr_add+0x12f/0xa40 [ 3957.845804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.845804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.845804][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.845804][ T72] netlink_unicast+0x449/0x710 [ 3957.845804][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.845804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.845804][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.845804][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.845804][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.845804][ T72] [ 3957.848053][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3957.848053][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3957.848053][ T72] ipv6_find_idev+0x102/0x170 [ 3957.848053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3957.848053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.848053][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.848053][ T72] netlink_unicast+0x449/0x710 [ 3957.848053][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.848053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.848053][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.848053][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.848053][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.848053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.848053][ T72] [ 3957.849776][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3957.849776][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3957.849776][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3957.849776][ T72] ipv6_find_idev+0x102/0x170 [ 3957.849776][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3957.849776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.849776][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.849776][ T72] netlink_unicast+0x449/0x710 [ 3957.849776][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.849776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.849776][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.849776][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.849776][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.849776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.849776][ T72] [ 3957.851652][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3957.852377][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3957.852377][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.852377][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.852377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.852377][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3957.852377][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3957.852377][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3957.852377][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3957.852377][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3957.852377][ T72] addrconf_dad_begin+0x310/0x670 [ 3957.852377][ T72] addrconf_dad_work+0x10b/0xab0 [ 3957.852377][ T72] process_one_work+0x84d/0x18a0 [ 3957.852377][ T72] worker_thread+0x587/0xd30 [ 3957.852377][ T72] kthread+0x28a/0x350 [ 3957.852377][ T72] ret_from_fork+0x31/0x70 [ 3957.852377][ T72] ret_from_fork_asm+0x1a/0x30 [ 3957.852377][ T72] [ 3957.854271][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3957.854271][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.854271][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.854271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.854271][ T72] ip6_route_add+0x1c/0x140 [ 3957.854271][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3957.854271][ T72] inet6_addr_add+0x4f8/0xa40 [ 3957.854271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.854271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.854271][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.854271][ T72] netlink_unicast+0x449/0x710 [ 3957.854271][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.854271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.854271][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.854271][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.854271][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.854271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.854271][ T72] [ 3957.856402][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3957.856402][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.856402][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.856402][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.856402][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3957.856402][ T72] ipv6_add_addr+0x411/0x2000 [ 3957.856402][ T72] inet6_addr_add+0x30e/0xa40 [ 3957.856402][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.856402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.856402][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.856402][ T72] netlink_unicast+0x449/0x710 [ 3957.856402][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.856402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.856402][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.856402][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.856402][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.856402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.856402][ T72] [ 3957.858651][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3957.858651][ T72] netdev_get_by_index+0x5e/0x80 [ 3957.858651][ T72] fib6_nh_init+0x3d8/0x1580 [ 3957.858651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3957.858651][ T72] ip6_route_add+0x1c/0x140 [ 3957.858651][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3957.858651][ T72] addrconf_add_dev+0xe2/0x170 [ 3957.858651][ T72] inet6_addr_add+0x12f/0xa40 [ 3957.858651][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3957.858651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.858651][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.858651][ T72] netlink_unicast+0x449/0x710 [ 3957.858651][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.858651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.858651][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.858651][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.858651][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.858651][ T72] [ 3957.860928][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3957.860928][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3957.860928][ T72] ipv6_find_idev+0x102/0x170 [ 3957.860928][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3957.860928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.860928][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.860928][ T72] netlink_unicast+0x449/0x710 [ 3957.860928][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.860928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.860928][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.860928][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.860928][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.860928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.860928][ T72] [ 3957.862590][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3957.862590][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3957.862590][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3957.862590][ T72] ipv6_find_idev+0x102/0x170 [ 3957.862590][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3957.862590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3957.862590][ T72] netlink_rcv_skb+0x130/0x360 [ 3957.862590][ T72] netlink_unicast+0x449/0x710 [ 3957.862590][ T72] netlink_sendmsg+0x723/0xbe0 [ 3957.862590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3957.862590][ T72] ___sys_sendmsg+0xee/0x170 [ 3957.862590][ T72] __sys_sendmsg+0xcd/0x170 [ 3957.862590][ T72] do_syscall_64+0xc6/0x1e0 [ 3957.862590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3957.862590][ T72] [ 3968.104959][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3968.105709][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3968.105709][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3968.105709][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3968.105709][ T72] fib6_nh_init+0xa22/0x1580 [ 3968.105709][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.105709][ T72] ip6_route_add+0x1c/0x140 [ 3968.105709][ T72] inet6_rtm_newroute+0x104/0x110 [ 3968.105709][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.105709][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.105709][ T72] netlink_unicast+0x449/0x710 [ 3968.105709][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.105709][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.105709][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.105709][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.105709][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.105709][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.105709][ T72] [ 3968.107673][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3968.107673][ T72] dst_init+0x84/0x4a0 [ 3968.107673][ T72] dst_alloc+0x97/0x150 [ 3968.107673][ T72] ip6_dst_alloc+0x23/0x90 [ 3968.107673][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3968.107673][ T72] ip6_pol_route+0x56f/0x840 [ 3968.107673][ T72] fib6_rule_lookup+0x456/0x630 [ 3968.107673][ T72] ip6_route_input+0x59c/0xa50 [ 3968.107673][ T72] ipv6_rcv+0x397/0x810 [ 3968.107673][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3968.107673][ T72] process_backlog+0x101/0x620 [ 3968.107673][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3968.107673][ T72] net_rx_action+0x495/0xbe0 [ 3968.107673][ T72] __do_softirq+0x1b5/0x7f6 [ 3968.107673][ T72] [ 3968.109207][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3968.109207][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.109207][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.109207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.109207][ T72] ip6_route_add+0x1c/0x140 [ 3968.109207][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3968.109207][ T72] inet6_addr_add+0x4f8/0xa40 [ 3968.109207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.109207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.109207][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.109207][ T72] netlink_unicast+0x449/0x710 [ 3968.109207][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.109207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.109207][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.109207][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.109207][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.109207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.109207][ T72] [ 3968.111184][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3968.111184][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.111184][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.111184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.111184][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3968.111184][ T72] ipv6_add_addr+0x411/0x2000 [ 3968.111184][ T72] inet6_addr_add+0x30e/0xa40 [ 3968.111184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.111184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.111184][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.111184][ T72] netlink_unicast+0x449/0x710 [ 3968.111184][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.111184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.111184][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.111184][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.111184][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.111184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.111184][ T72] [ 3968.113217][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3968.113217][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.113217][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.113217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.113217][ T72] ip6_route_add+0x1c/0x140 [ 3968.113217][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3968.113217][ T72] addrconf_add_dev+0xe2/0x170 [ 3968.113217][ T72] inet6_addr_add+0x12f/0xa40 [ 3968.113217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.113217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.113217][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.113217][ T72] netlink_unicast+0x449/0x710 [ 3968.113217][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.113217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.113217][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.113217][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.113217][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.113217][ T72] [ 3968.115277][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3968.115277][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3968.115277][ T72] ipv6_find_idev+0x102/0x170 [ 3968.115277][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.115277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.115277][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.115277][ T72] netlink_unicast+0x449/0x710 [ 3968.115277][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.115277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.115277][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.115277][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.115277][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.115277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.115277][ T72] [ 3968.116826][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3968.116826][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3968.116826][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3968.116826][ T72] ipv6_find_idev+0x102/0x170 [ 3968.116826][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.116826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.116826][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.116826][ T72] netlink_unicast+0x449/0x710 [ 3968.116826][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.116826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.116826][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.116826][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.116826][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.116826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.116826][ T72] [ 3968.118528][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3968.118803][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3968.118803][ T72] dst_init+0x84/0x4a0 [ 3968.118803][ T72] dst_alloc+0x97/0x150 [ 3968.118803][ T72] ip6_dst_alloc+0x23/0x90 [ 3968.118803][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3968.118803][ T72] ip6_pol_route+0x56f/0x840 [ 3968.118803][ T72] fib6_rule_lookup+0x456/0x630 [ 3968.118803][ T72] ip6_route_input+0x59c/0xa50 [ 3968.118803][ T72] ipv6_rcv+0x397/0x810 [ 3968.118803][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3968.118803][ T72] process_backlog+0x101/0x620 [ 3968.118803][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3968.118803][ T72] net_rx_action+0x495/0xbe0 [ 3968.118803][ T72] __do_softirq+0x1b5/0x7f6 [ 3968.118803][ T72] [ 3968.120467][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3968.120467][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.120467][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.120467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.120467][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3968.120467][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3968.120467][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3968.120467][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3968.120467][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3968.120467][ T72] addrconf_dad_begin+0x310/0x670 [ 3968.120467][ T72] addrconf_dad_work+0x10b/0xab0 [ 3968.120467][ T72] process_one_work+0x84d/0x18a0 [ 3968.120467][ T72] worker_thread+0x587/0xd30 [ 3968.120467][ T72] kthread+0x28a/0x350 [ 3968.120467][ T72] ret_from_fork+0x31/0x70 [ 3968.120467][ T72] ret_from_fork_asm+0x1a/0x30 [ 3968.120467][ T72] [ 3968.122412][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3968.122412][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.122412][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.122412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.122412][ T72] ip6_route_add+0x1c/0x140 [ 3968.122412][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3968.122412][ T72] inet6_addr_add+0x4f8/0xa40 [ 3968.122412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.122412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.122412][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.122412][ T72] netlink_unicast+0x449/0x710 [ 3968.122412][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.122412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.122412][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.122412][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.122412][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.122412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.122412][ T72] [ 3968.124424][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3968.124424][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.124424][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.124424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.124424][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3968.124424][ T72] ipv6_add_addr+0x411/0x2000 [ 3968.124424][ T72] inet6_addr_add+0x30e/0xa40 [ 3968.124424][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.124424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.124424][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.124424][ T72] netlink_unicast+0x449/0x710 [ 3968.124424][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.124424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.124424][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.124424][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.124424][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.124424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.124424][ T72] [ 3968.126810][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3968.126810][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.126810][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.126810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.126810][ T72] ip6_route_add+0x1c/0x140 [ 3968.126810][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3968.126810][ T72] addrconf_add_dev+0xe2/0x170 [ 3968.126810][ T72] inet6_addr_add+0x12f/0xa40 [ 3968.126810][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.126810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.126810][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.126810][ T72] netlink_unicast+0x449/0x710 [ 3968.126810][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.126810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.126810][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.126810][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.126810][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.126810][ T72] [ 3968.128778][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3968.128778][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3968.128778][ T72] ipv6_find_idev+0x102/0x170 [ 3968.128778][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.128778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.128778][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.128778][ T72] netlink_unicast+0x449/0x710 [ 3968.128778][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.128778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.128778][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.128778][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.128778][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.128778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.128778][ T72] [ 3968.130341][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3968.130341][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3968.130341][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3968.130341][ T72] ipv6_find_idev+0x102/0x170 [ 3968.130341][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.130341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.130341][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.130341][ T72] netlink_unicast+0x449/0x710 [ 3968.130341][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.130341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.130341][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.130341][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.130341][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.130341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.130341][ T72] [ 3968.132023][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3968.132357][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3968.132357][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3968.132357][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3968.132357][ T72] fib6_nh_init+0xa22/0x1580 [ 3968.132357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.132357][ T72] ip6_route_add+0x1c/0x140 [ 3968.132357][ T72] inet6_rtm_newroute+0x104/0x110 [ 3968.132357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.132357][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.132357][ T72] netlink_unicast+0x449/0x710 [ 3968.132357][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.132357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.132357][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.132357][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.132357][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.132357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.132357][ T72] [ 3968.134404][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3968.134404][ T72] dst_init+0x84/0x4a0 [ 3968.134404][ T72] dst_alloc+0x97/0x150 [ 3968.134404][ T72] ip6_dst_alloc+0x23/0x90 [ 3968.134404][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3968.134404][ T72] ip6_pol_route+0x56f/0x840 [ 3968.134404][ T72] fib6_rule_lookup+0x456/0x630 [ 3968.134404][ T72] ip6_route_input+0x59c/0xa50 [ 3968.134404][ T72] ipv6_rcv+0x397/0x810 [ 3968.134404][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3968.134404][ T72] process_backlog+0x101/0x620 [ 3968.134404][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3968.134404][ T72] net_rx_action+0x495/0xbe0 [ 3968.134404][ T72] __do_softirq+0x1b5/0x7f6 [ 3968.134404][ T72] [ 3968.136237][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3968.136237][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.136237][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.136237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.136237][ T72] ip6_route_add+0x1c/0x140 [ 3968.136237][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3968.136237][ T72] inet6_addr_add+0x4f8/0xa40 [ 3968.136237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.136237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.136237][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.136237][ T72] netlink_unicast+0x449/0x710 [ 3968.136237][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.136237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.136237][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.136237][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.136237][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.136237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.136237][ T72] [ 3968.138479][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3968.138479][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.138479][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.138479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.138479][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3968.138479][ T72] ipv6_add_addr+0x411/0x2000 [ 3968.138479][ T72] inet6_addr_add+0x30e/0xa40 [ 3968.138479][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.138479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.138479][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.138479][ T72] netlink_unicast+0x449/0x710 [ 3968.138479][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.138479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.138479][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.138479][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.138479][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.138479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.138479][ T72] [ 3968.140734][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3968.140734][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.140734][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.140734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.140734][ T72] ip6_route_add+0x1c/0x140 [ 3968.140734][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3968.140734][ T72] addrconf_add_dev+0xe2/0x170 [ 3968.140734][ T72] inet6_addr_add+0x12f/0xa40 [ 3968.140734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.140734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.140734][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.140734][ T72] netlink_unicast+0x449/0x710 [ 3968.140734][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.140734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.140734][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.140734][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.140734][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.140734][ T72] [ 3968.142886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3968.142886][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3968.142886][ T72] ipv6_find_idev+0x102/0x170 [ 3968.142886][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.142886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.142886][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.142886][ T72] netlink_unicast+0x449/0x710 [ 3968.142886][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.142886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.142886][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.142886][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.142886][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.142886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.142886][ T72] [ 3968.144628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3968.144628][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3968.144628][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3968.144628][ T72] ipv6_find_idev+0x102/0x170 [ 3968.144628][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.144628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.144628][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.144628][ T72] netlink_unicast+0x449/0x710 [ 3968.144628][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.144628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.144628][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.144628][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.144628][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.144628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.144628][ T72] [ 3968.146458][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3968.146805][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3968.146805][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.146805][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.146805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.146805][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3968.146805][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3968.146805][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3968.146805][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3968.146805][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3968.146805][ T72] addrconf_dad_begin+0x310/0x670 [ 3968.146805][ T72] addrconf_dad_work+0x10b/0xab0 [ 3968.146805][ T72] process_one_work+0x84d/0x18a0 [ 3968.146805][ T72] worker_thread+0x587/0xd30 [ 3968.146805][ T72] kthread+0x28a/0x350 [ 3968.146805][ T72] ret_from_fork+0x31/0x70 [ 3968.146805][ T72] ret_from_fork_asm+0x1a/0x30 [ 3968.146805][ T72] [ 3968.148870][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3968.148870][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.148870][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.148870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.148870][ T72] ip6_route_add+0x1c/0x140 [ 3968.148870][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3968.148870][ T72] inet6_addr_add+0x4f8/0xa40 [ 3968.148870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.148870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.148870][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.148870][ T72] netlink_unicast+0x449/0x710 [ 3968.148870][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.148870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.148870][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.148870][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.148870][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.148870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.148870][ T72] [ 3968.151126][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3968.151126][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.151126][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.151126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.151126][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3968.151126][ T72] ipv6_add_addr+0x411/0x2000 [ 3968.151126][ T72] inet6_addr_add+0x30e/0xa40 [ 3968.151126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.151126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.151126][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.151126][ T72] netlink_unicast+0x449/0x710 [ 3968.151126][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.151126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.151126][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.151126][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.151126][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.151126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.151126][ T72] [ 3968.153400][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3968.153400][ T72] netdev_get_by_index+0x5e/0x80 [ 3968.153400][ T72] fib6_nh_init+0x3d8/0x1580 [ 3968.153400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3968.153400][ T72] ip6_route_add+0x1c/0x140 [ 3968.153400][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3968.153400][ T72] addrconf_add_dev+0xe2/0x170 [ 3968.153400][ T72] inet6_addr_add+0x12f/0xa40 [ 3968.153400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.153400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.153400][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.153400][ T72] netlink_unicast+0x449/0x710 [ 3968.153400][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.153400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.153400][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.153400][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.153400][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.153400][ T72] [ 3968.155612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3968.155612][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3968.155612][ T72] ipv6_find_idev+0x102/0x170 [ 3968.155612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.155612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.155612][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.155612][ T72] netlink_unicast+0x449/0x710 [ 3968.155612][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.155612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.155612][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.155612][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.155612][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.155612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.155612][ T72] [ 3968.157336][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3968.157336][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3968.157336][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3968.157336][ T72] ipv6_find_idev+0x102/0x170 [ 3968.157336][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.157336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.157336][ T72] netlink_rcv_skb+0x130/0x360 [ 3968.157336][ T72] netlink_unicast+0x449/0x710 [ 3968.157336][ T72] netlink_sendmsg+0x723/0xbe0 [ 3968.157336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3968.157336][ T72] ___sys_sendmsg+0xee/0x170 [ 3968.157336][ T72] __sys_sendmsg+0xcd/0x170 [ 3968.157336][ T72] do_syscall_64+0xc6/0x1e0 [ 3968.157336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.157336][ T72] [ 3978.400998][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3978.401836][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3978.401836][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3978.401836][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3978.401836][ T72] fib6_nh_init+0xa22/0x1580 [ 3978.401836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.401836][ T72] ip6_route_add+0x1c/0x140 [ 3978.401836][ T72] inet6_rtm_newroute+0x104/0x110 [ 3978.401836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.401836][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.401836][ T72] netlink_unicast+0x449/0x710 [ 3978.401836][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.401836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.401836][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.401836][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.401836][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.401836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.401836][ T72] [ 3978.403686][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3978.403686][ T72] dst_init+0x84/0x4a0 [ 3978.403686][ T72] dst_alloc+0x97/0x150 [ 3978.403686][ T72] ip6_dst_alloc+0x23/0x90 [ 3978.403686][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3978.403686][ T72] ip6_pol_route+0x56f/0x840 [ 3978.403686][ T72] fib6_rule_lookup+0x456/0x630 [ 3978.403686][ T72] ip6_route_input+0x59c/0xa50 [ 3978.403686][ T72] ipv6_rcv+0x397/0x810 [ 3978.403686][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3978.403686][ T72] process_backlog+0x101/0x620 [ 3978.403686][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3978.403686][ T72] net_rx_action+0x495/0xbe0 [ 3978.403686][ T72] __do_softirq+0x1b5/0x7f6 [ 3978.403686][ T72] [ 3978.405381][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3978.405381][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.405381][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.405381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.405381][ T72] ip6_route_add+0x1c/0x140 [ 3978.405381][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3978.405381][ T72] inet6_addr_add+0x4f8/0xa40 [ 3978.405381][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.405381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.405381][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.405381][ T72] netlink_unicast+0x449/0x710 [ 3978.405381][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.405381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.405381][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.405381][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.405381][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.405381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.405381][ T72] [ 3978.407306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3978.407306][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.407306][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.407306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.407306][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3978.407306][ T72] ipv6_add_addr+0x411/0x2000 [ 3978.407306][ T72] inet6_addr_add+0x30e/0xa40 [ 3978.407306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.407306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.407306][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.407306][ T72] netlink_unicast+0x449/0x710 [ 3978.407306][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.407306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.407306][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.407306][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.407306][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.407306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.407306][ T72] [ 3978.409246][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3978.409246][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.409246][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.409246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.409246][ T72] ip6_route_add+0x1c/0x140 [ 3978.409246][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3978.409246][ T72] addrconf_add_dev+0xe2/0x170 [ 3978.409246][ T72] inet6_addr_add+0x12f/0xa40 [ 3978.409246][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.409246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.409246][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.409246][ T72] netlink_unicast+0x449/0x710 [ 3978.409246][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.409246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.409246][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.409246][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.409246][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.409246][ T72] [ 3978.411217][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3978.411217][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3978.411217][ T72] ipv6_find_idev+0x102/0x170 [ 3978.411217][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.411217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.411217][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.411217][ T72] netlink_unicast+0x449/0x710 [ 3978.411217][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.411217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.411217][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.411217][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.411217][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.411217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.411217][ T72] [ 3978.412650][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3978.412650][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3978.412650][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3978.412650][ T72] ipv6_find_idev+0x102/0x170 [ 3978.412650][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.412650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.412650][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.412650][ T72] netlink_unicast+0x449/0x710 [ 3978.412650][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.412650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.412650][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.412650][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.412650][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.412650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.412650][ T72] [ 3978.414222][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3978.414480][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3978.414480][ T72] dst_init+0x84/0x4a0 [ 3978.414480][ T72] dst_alloc+0x97/0x150 [ 3978.414480][ T72] ip6_dst_alloc+0x23/0x90 [ 3978.414480][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3978.414480][ T72] ip6_pol_route+0x56f/0x840 [ 3978.414480][ T72] fib6_rule_lookup+0x456/0x630 [ 3978.414480][ T72] ip6_route_input+0x59c/0xa50 [ 3978.414480][ T72] ipv6_rcv+0x397/0x810 [ 3978.414480][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3978.414480][ T72] process_backlog+0x101/0x620 [ 3978.414480][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3978.414480][ T72] net_rx_action+0x495/0xbe0 [ 3978.414480][ T72] __do_softirq+0x1b5/0x7f6 [ 3978.414480][ T72] [ 3978.416094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3978.416094][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.416094][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.416094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.416094][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3978.416094][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3978.416094][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3978.416094][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3978.416094][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3978.416094][ T72] addrconf_dad_begin+0x310/0x670 [ 3978.416094][ T72] addrconf_dad_work+0x10b/0xab0 [ 3978.416094][ T72] process_one_work+0x84d/0x18a0 [ 3978.416094][ T72] worker_thread+0x587/0xd30 [ 3978.416094][ T72] kthread+0x28a/0x350 [ 3978.416094][ T72] ret_from_fork+0x31/0x70 [ 3978.416094][ T72] ret_from_fork_asm+0x1a/0x30 [ 3978.416094][ T72] [ 3978.418083][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3978.418083][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.418083][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.418083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.418083][ T72] ip6_route_add+0x1c/0x140 [ 3978.418083][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3978.418083][ T72] inet6_addr_add+0x4f8/0xa40 [ 3978.418083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.418083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.418083][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.418083][ T72] netlink_unicast+0x449/0x710 [ 3978.418083][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.418083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.418083][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.418083][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.418083][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.418083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.418083][ T72] [ 3978.420016][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3978.420016][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.420016][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.420016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.420016][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3978.420016][ T72] ipv6_add_addr+0x411/0x2000 [ 3978.420016][ T72] inet6_addr_add+0x30e/0xa40 [ 3978.420016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.420016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.420016][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.420016][ T72] netlink_unicast+0x449/0x710 [ 3978.420016][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.420016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.420016][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.420016][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.420016][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.420016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.420016][ T72] [ 3978.422036][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3978.422036][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.422036][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.422036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.422036][ T72] ip6_route_add+0x1c/0x140 [ 3978.422036][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3978.422036][ T72] addrconf_add_dev+0xe2/0x170 [ 3978.422036][ T72] inet6_addr_add+0x12f/0xa40 [ 3978.422036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.422036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.422036][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.422036][ T72] netlink_unicast+0x449/0x710 [ 3978.422036][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.422036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.422036][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.422036][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.422036][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.422036][ T72] [ 3978.423993][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3978.423993][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3978.423993][ T72] ipv6_find_idev+0x102/0x170 [ 3978.423993][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.423993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.423993][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.423993][ T72] netlink_unicast+0x449/0x710 [ 3978.423993][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.423993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.423993][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.423993][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.423993][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.423993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.423993][ T72] [ 3978.425495][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3978.425495][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3978.425495][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3978.425495][ T72] ipv6_find_idev+0x102/0x170 [ 3978.425495][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.425495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.425495][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.425495][ T72] netlink_unicast+0x449/0x710 [ 3978.425495][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.425495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.425495][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.425495][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.425495][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.425495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.425495][ T72] [ 3978.427218][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3978.427554][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3978.427554][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3978.427554][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3978.427554][ T72] fib6_nh_init+0xa22/0x1580 [ 3978.427554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.427554][ T72] ip6_route_add+0x1c/0x140 [ 3978.427554][ T72] inet6_rtm_newroute+0x104/0x110 [ 3978.427554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.427554][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.427554][ T72] netlink_unicast+0x449/0x710 [ 3978.427554][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.427554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.427554][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.427554][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.427554][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.427554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.427554][ T72] [ 3978.429621][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3978.429621][ T72] dst_init+0x84/0x4a0 [ 3978.429621][ T72] dst_alloc+0x97/0x150 [ 3978.429621][ T72] ip6_dst_alloc+0x23/0x90 [ 3978.429621][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3978.429621][ T72] ip6_pol_route+0x56f/0x840 [ 3978.429621][ T72] fib6_rule_lookup+0x456/0x630 [ 3978.429621][ T72] ip6_route_input+0x59c/0xa50 [ 3978.429621][ T72] ipv6_rcv+0x397/0x810 [ 3978.429621][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3978.429621][ T72] process_backlog+0x101/0x620 [ 3978.429621][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3978.429621][ T72] net_rx_action+0x495/0xbe0 [ 3978.429621][ T72] __do_softirq+0x1b5/0x7f6 [ 3978.429621][ T72] [ 3978.431463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3978.431463][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.431463][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.431463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.431463][ T72] ip6_route_add+0x1c/0x140 [ 3978.431463][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3978.431463][ T72] inet6_addr_add+0x4f8/0xa40 [ 3978.431463][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.431463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.431463][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.431463][ T72] netlink_unicast+0x449/0x710 [ 3978.431463][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.431463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.431463][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.431463][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.431463][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.431463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.431463][ T72] [ 3978.433680][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3978.433680][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.433680][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.433680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.433680][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3978.433680][ T72] ipv6_add_addr+0x411/0x2000 [ 3978.433680][ T72] inet6_addr_add+0x30e/0xa40 [ 3978.433680][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.433680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.433680][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.433680][ T72] netlink_unicast+0x449/0x710 [ 3978.433680][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.433680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.433680][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.433680][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.433680][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.433680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.433680][ T72] [ 3978.435933][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3978.435933][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.435933][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.435933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.435933][ T72] ip6_route_add+0x1c/0x140 [ 3978.435933][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3978.435933][ T72] addrconf_add_dev+0xe2/0x170 [ 3978.435933][ T72] inet6_addr_add+0x12f/0xa40 [ 3978.435933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.435933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.435933][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.435933][ T72] netlink_unicast+0x449/0x710 [ 3978.435933][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.435933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.435933][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.435933][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.435933][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.435933][ T72] [ 3978.438170][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3978.438170][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3978.438170][ T72] ipv6_find_idev+0x102/0x170 [ 3978.438170][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.438170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.438170][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.438170][ T72] netlink_unicast+0x449/0x710 [ 3978.438170][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.438170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.438170][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.438170][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.438170][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.438170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.438170][ T72] [ 3978.439876][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3978.439876][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3978.439876][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3978.439876][ T72] ipv6_find_idev+0x102/0x170 [ 3978.439876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.439876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.439876][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.439876][ T72] netlink_unicast+0x449/0x710 [ 3978.439876][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.439876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.439876][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.439876][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.439876][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.439876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.439876][ T72] [ 3978.441734][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3978.442530][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3978.442530][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.442530][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.442530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.442530][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3978.442530][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3978.442530][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3978.442530][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3978.442530][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3978.442530][ T72] addrconf_dad_begin+0x310/0x670 [ 3978.442530][ T72] addrconf_dad_work+0x10b/0xab0 [ 3978.442530][ T72] process_one_work+0x84d/0x18a0 [ 3978.442530][ T72] worker_thread+0x587/0xd30 [ 3978.442530][ T72] kthread+0x28a/0x350 [ 3978.442530][ T72] ret_from_fork+0x31/0x70 [ 3978.442530][ T72] ret_from_fork_asm+0x1a/0x30 [ 3978.442530][ T72] [ 3978.444448][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3978.444448][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.444448][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.444448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.444448][ T72] ip6_route_add+0x1c/0x140 [ 3978.444448][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3978.444448][ T72] inet6_addr_add+0x4f8/0xa40 [ 3978.444448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.444448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.444448][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.444448][ T72] netlink_unicast+0x449/0x710 [ 3978.444448][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.444448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.444448][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.444448][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.444448][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.444448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.444448][ T72] [ 3978.446555][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3978.446555][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.446555][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.446555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.446555][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3978.446555][ T72] ipv6_add_addr+0x411/0x2000 [ 3978.446555][ T72] inet6_addr_add+0x30e/0xa40 [ 3978.446555][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.446555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.446555][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.446555][ T72] netlink_unicast+0x449/0x710 [ 3978.446555][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.446555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.446555][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.446555][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.446555][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.446555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.446555][ T72] [ 3978.448816][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3978.448816][ T72] netdev_get_by_index+0x5e/0x80 [ 3978.448816][ T72] fib6_nh_init+0x3d8/0x1580 [ 3978.448816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3978.448816][ T72] ip6_route_add+0x1c/0x140 [ 3978.448816][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3978.448816][ T72] addrconf_add_dev+0xe2/0x170 [ 3978.448816][ T72] inet6_addr_add+0x12f/0xa40 [ 3978.448816][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.448816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.448816][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.448816][ T72] netlink_unicast+0x449/0x710 [ 3978.448816][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.448816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.448816][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.448816][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.448816][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.448816][ T72] [ 3978.451090][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3978.451090][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3978.451090][ T72] ipv6_find_idev+0x102/0x170 [ 3978.451090][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.451090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.451090][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.451090][ T72] netlink_unicast+0x449/0x710 [ 3978.451090][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.451090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.451090][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.451090][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.451090][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.451090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.451090][ T72] [ 3978.452811][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3978.452811][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3978.452811][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3978.452811][ T72] ipv6_find_idev+0x102/0x170 [ 3978.452811][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.452811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.452811][ T72] netlink_rcv_skb+0x130/0x360 [ 3978.452811][ T72] netlink_unicast+0x449/0x710 [ 3978.452811][ T72] netlink_sendmsg+0x723/0xbe0 [ 3978.452811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3978.452811][ T72] ___sys_sendmsg+0xee/0x170 [ 3978.452811][ T72] __sys_sendmsg+0xcd/0x170 [ 3978.452811][ T72] do_syscall_64+0xc6/0x1e0 [ 3978.452811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.452811][ T72] [ 3988.696991][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3988.697863][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3988.697863][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3988.697863][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3988.697863][ T72] fib6_nh_init+0xa22/0x1580 [ 3988.697863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.697863][ T72] ip6_route_add+0x1c/0x140 [ 3988.697863][ T72] inet6_rtm_newroute+0x104/0x110 [ 3988.697863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.697863][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.697863][ T72] netlink_unicast+0x449/0x710 [ 3988.697863][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.697863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.697863][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.697863][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.697863][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.697863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.697863][ T72] [ 3988.699719][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3988.699719][ T72] dst_init+0x84/0x4a0 [ 3988.699719][ T72] dst_alloc+0x97/0x150 [ 3988.699719][ T72] ip6_dst_alloc+0x23/0x90 [ 3988.699719][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3988.699719][ T72] ip6_pol_route+0x56f/0x840 [ 3988.699719][ T72] fib6_rule_lookup+0x456/0x630 [ 3988.699719][ T72] ip6_route_input+0x59c/0xa50 [ 3988.699719][ T72] ipv6_rcv+0x397/0x810 [ 3988.699719][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3988.699719][ T72] process_backlog+0x101/0x620 [ 3988.699719][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3988.699719][ T72] net_rx_action+0x495/0xbe0 [ 3988.699719][ T72] __do_softirq+0x1b5/0x7f6 [ 3988.699719][ T72] [ 3988.701293][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3988.701293][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.701293][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.701293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.701293][ T72] ip6_route_add+0x1c/0x140 [ 3988.701293][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3988.701293][ T72] inet6_addr_add+0x4f8/0xa40 [ 3988.701293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.701293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.701293][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.701293][ T72] netlink_unicast+0x449/0x710 [ 3988.701293][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.701293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.701293][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.701293][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.701293][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.701293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.701293][ T72] [ 3988.703335][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3988.703335][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.703335][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.703335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.703335][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3988.703335][ T72] ipv6_add_addr+0x411/0x2000 [ 3988.703335][ T72] inet6_addr_add+0x30e/0xa40 [ 3988.703335][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.703335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.703335][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.703335][ T72] netlink_unicast+0x449/0x710 [ 3988.703335][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.703335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.703335][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.703335][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.703335][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.703335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.703335][ T72] [ 3988.705336][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3988.705336][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.705336][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.705336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.705336][ T72] ip6_route_add+0x1c/0x140 [ 3988.705336][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3988.705336][ T72] addrconf_add_dev+0xe2/0x170 [ 3988.705336][ T72] inet6_addr_add+0x12f/0xa40 [ 3988.705336][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.705336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.705336][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.705336][ T72] netlink_unicast+0x449/0x710 [ 3988.705336][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.705336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.705336][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.705336][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.705336][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.705336][ T72] [ 3988.707308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3988.707308][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3988.707308][ T72] ipv6_find_idev+0x102/0x170 [ 3988.707308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.707308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.707308][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.707308][ T72] netlink_unicast+0x449/0x710 [ 3988.707308][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.707308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.707308][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.707308][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.707308][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.707308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.707308][ T72] [ 3988.708762][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3988.708762][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3988.708762][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3988.708762][ T72] ipv6_find_idev+0x102/0x170 [ 3988.708762][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.708762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.708762][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.708762][ T72] netlink_unicast+0x449/0x710 [ 3988.708762][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.708762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.708762][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.708762][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.708762][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.708762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.708762][ T72] [ 3988.710456][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3988.710754][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3988.710754][ T72] dst_init+0x84/0x4a0 [ 3988.710754][ T72] dst_alloc+0x97/0x150 [ 3988.710754][ T72] ip6_dst_alloc+0x23/0x90 [ 3988.710754][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3988.710754][ T72] ip6_pol_route+0x56f/0x840 [ 3988.710754][ T72] fib6_rule_lookup+0x456/0x630 [ 3988.710754][ T72] ip6_route_input+0x59c/0xa50 [ 3988.710754][ T72] ipv6_rcv+0x397/0x810 [ 3988.710754][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3988.710754][ T72] process_backlog+0x101/0x620 [ 3988.710754][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3988.710754][ T72] net_rx_action+0x495/0xbe0 [ 3988.710754][ T72] __do_softirq+0x1b5/0x7f6 [ 3988.710754][ T72] [ 3988.712454][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3988.712454][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.712454][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.712454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.712454][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3988.712454][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3988.712454][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3988.712454][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3988.712454][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3988.712454][ T72] addrconf_dad_begin+0x310/0x670 [ 3988.712454][ T72] addrconf_dad_work+0x10b/0xab0 [ 3988.712454][ T72] process_one_work+0x84d/0x18a0 [ 3988.712454][ T72] worker_thread+0x587/0xd30 [ 3988.712454][ T72] kthread+0x28a/0x350 [ 3988.712454][ T72] ret_from_fork+0x31/0x70 [ 3988.712454][ T72] ret_from_fork_asm+0x1a/0x30 [ 3988.712454][ T72] [ 3988.714348][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3988.714348][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.714348][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.714348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.714348][ T72] ip6_route_add+0x1c/0x140 [ 3988.714348][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3988.714348][ T72] inet6_addr_add+0x4f8/0xa40 [ 3988.714348][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.714348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.714348][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.714348][ T72] netlink_unicast+0x449/0x710 [ 3988.714348][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.714348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.714348][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.714348][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.714348][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.714348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.714348][ T72] [ 3988.716361][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3988.716361][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.716361][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.716361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.716361][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3988.716361][ T72] ipv6_add_addr+0x411/0x2000 [ 3988.716361][ T72] inet6_addr_add+0x30e/0xa40 [ 3988.716361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.716361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.716361][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.716361][ T72] netlink_unicast+0x449/0x710 [ 3988.716361][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.716361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.716361][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.716361][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.716361][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.716361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.716361][ T72] [ 3988.718326][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3988.718326][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.718326][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.718326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.718326][ T72] ip6_route_add+0x1c/0x140 [ 3988.718326][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3988.718326][ T72] addrconf_add_dev+0xe2/0x170 [ 3988.718326][ T72] inet6_addr_add+0x12f/0xa40 [ 3988.718326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.718326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.718326][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.718326][ T72] netlink_unicast+0x449/0x710 [ 3988.718326][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.718326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.718326][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.718326][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.718326][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.718326][ T72] [ 3988.720308][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3988.720308][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3988.720308][ T72] ipv6_find_idev+0x102/0x170 [ 3988.720308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.720308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.720308][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.720308][ T72] netlink_unicast+0x449/0x710 [ 3988.720308][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.720308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.720308][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.720308][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.720308][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.720308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.720308][ T72] [ 3988.721833][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3988.721833][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3988.721833][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3988.721833][ T72] ipv6_find_idev+0x102/0x170 [ 3988.721833][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.721833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.721833][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.721833][ T72] netlink_unicast+0x449/0x710 [ 3988.721833][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.721833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.721833][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.721833][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.721833][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.721833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.721833][ T72] [ 3988.723568][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3988.723926][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3988.723926][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3988.723926][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3988.723926][ T72] fib6_nh_init+0xa22/0x1580 [ 3988.723926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.723926][ T72] ip6_route_add+0x1c/0x140 [ 3988.723926][ T72] inet6_rtm_newroute+0x104/0x110 [ 3988.723926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.723926][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.723926][ T72] netlink_unicast+0x449/0x710 [ 3988.723926][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.723926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.723926][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.723926][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.723926][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.723926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.723926][ T72] [ 3988.726012][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3988.726012][ T72] dst_init+0x84/0x4a0 [ 3988.726012][ T72] dst_alloc+0x97/0x150 [ 3988.726012][ T72] ip6_dst_alloc+0x23/0x90 [ 3988.726012][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3988.726012][ T72] ip6_pol_route+0x56f/0x840 [ 3988.726012][ T72] fib6_rule_lookup+0x456/0x630 [ 3988.726012][ T72] ip6_route_input+0x59c/0xa50 [ 3988.726012][ T72] ipv6_rcv+0x397/0x810 [ 3988.726012][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3988.726012][ T72] process_backlog+0x101/0x620 [ 3988.726012][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3988.726012][ T72] net_rx_action+0x495/0xbe0 [ 3988.726012][ T72] __do_softirq+0x1b5/0x7f6 [ 3988.726012][ T72] [ 3988.727829][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3988.727829][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.727829][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.727829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.727829][ T72] ip6_route_add+0x1c/0x140 [ 3988.727829][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3988.727829][ T72] inet6_addr_add+0x4f8/0xa40 [ 3988.727829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.727829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.727829][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.727829][ T72] netlink_unicast+0x449/0x710 [ 3988.727829][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.727829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.727829][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.727829][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.727829][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.727829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.727829][ T72] [ 3988.730082][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3988.730082][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.730082][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.730082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.730082][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3988.730082][ T72] ipv6_add_addr+0x411/0x2000 [ 3988.730082][ T72] inet6_addr_add+0x30e/0xa40 [ 3988.730082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.730082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.730082][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.730082][ T72] netlink_unicast+0x449/0x710 [ 3988.730082][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.730082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.730082][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.730082][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.730082][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.730082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.730082][ T72] [ 3988.732292][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3988.732292][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.732292][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.732292][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.732292][ T72] ip6_route_add+0x1c/0x140 [ 3988.732292][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3988.732292][ T72] addrconf_add_dev+0xe2/0x170 [ 3988.732292][ T72] inet6_addr_add+0x12f/0xa40 [ 3988.732292][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.732292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.732292][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.732292][ T72] netlink_unicast+0x449/0x710 [ 3988.732292][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.732292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.732292][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.732292][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.732292][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.732292][ T72] [ 3988.734566][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3988.734566][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3988.734566][ T72] ipv6_find_idev+0x102/0x170 [ 3988.734566][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.734566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.734566][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.734566][ T72] netlink_unicast+0x449/0x710 [ 3988.734566][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.734566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.734566][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.734566][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.734566][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.734566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.734566][ T72] [ 3988.736305][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3988.736305][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3988.736305][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3988.736305][ T72] ipv6_find_idev+0x102/0x170 [ 3988.736305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.736305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.736305][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.736305][ T72] netlink_unicast+0x449/0x710 [ 3988.736305][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.736305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.736305][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.736305][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.736305][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.736305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.736305][ T72] [ 3988.738137][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3988.738460][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3988.738460][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.738460][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.738460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.738460][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3988.738460][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3988.738460][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3988.738460][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3988.738460][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3988.738460][ T72] addrconf_dad_begin+0x310/0x670 [ 3988.738460][ T72] addrconf_dad_work+0x10b/0xab0 [ 3988.738460][ T72] process_one_work+0x84d/0x18a0 [ 3988.738460][ T72] worker_thread+0x587/0xd30 [ 3988.738460][ T72] kthread+0x28a/0x350 [ 3988.738460][ T72] ret_from_fork+0x31/0x70 [ 3988.738460][ T72] ret_from_fork_asm+0x1a/0x30 [ 3988.738460][ T72] [ 3988.740584][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3988.740584][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.740584][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.740584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.740584][ T72] ip6_route_add+0x1c/0x140 [ 3988.740584][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3988.740584][ T72] inet6_addr_add+0x4f8/0xa40 [ 3988.740584][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.740584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.740584][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.740584][ T72] netlink_unicast+0x449/0x710 [ 3988.740584][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.740584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.740584][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.740584][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.740584][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.740584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.740584][ T72] [ 3988.742796][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3988.742796][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.742796][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.742796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.742796][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3988.742796][ T72] ipv6_add_addr+0x411/0x2000 [ 3988.742796][ T72] inet6_addr_add+0x30e/0xa40 [ 3988.742796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.742796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.742796][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.742796][ T72] netlink_unicast+0x449/0x710 [ 3988.742796][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.742796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.742796][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.742796][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.742796][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.742796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.742796][ T72] [ 3988.745124][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3988.745124][ T72] netdev_get_by_index+0x5e/0x80 [ 3988.745124][ T72] fib6_nh_init+0x3d8/0x1580 [ 3988.745124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3988.745124][ T72] ip6_route_add+0x1c/0x140 [ 3988.745124][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3988.745124][ T72] addrconf_add_dev+0xe2/0x170 [ 3988.745124][ T72] inet6_addr_add+0x12f/0xa40 [ 3988.745124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.745124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.745124][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.745124][ T72] netlink_unicast+0x449/0x710 [ 3988.745124][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.745124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.745124][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.745124][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.745124][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.745124][ T72] [ 3988.747357][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3988.747357][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3988.747357][ T72] ipv6_find_idev+0x102/0x170 [ 3988.747357][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.747357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.747357][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.747357][ T72] netlink_unicast+0x449/0x710 [ 3988.747357][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.747357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.747357][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.747357][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.747357][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.747357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.747357][ T72] [ 3988.749120][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3988.749120][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3988.749120][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3988.749120][ T72] ipv6_find_idev+0x102/0x170 [ 3988.749120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.749120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.749120][ T72] netlink_rcv_skb+0x130/0x360 [ 3988.749120][ T72] netlink_unicast+0x449/0x710 [ 3988.749120][ T72] netlink_sendmsg+0x723/0xbe0 [ 3988.749120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3988.749120][ T72] ___sys_sendmsg+0xee/0x170 [ 3988.749120][ T72] __sys_sendmsg+0xcd/0x170 [ 3988.749120][ T72] do_syscall_64+0xc6/0x1e0 [ 3988.749120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.749120][ T72] [ 3998.808916][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 3998.809541][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3998.809541][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3998.809541][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3998.809541][ T72] fib6_nh_init+0xa22/0x1580 [ 3998.809541][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.809541][ T72] ip6_route_add+0x1c/0x140 [ 3998.809541][ T72] inet6_rtm_newroute+0x104/0x110 [ 3998.809541][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.809541][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.809541][ T72] netlink_unicast+0x449/0x710 [ 3998.809541][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.809541][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.809541][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.809541][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.809541][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.809541][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.809541][ T72] [ 3998.811685][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 3998.811685][ T72] dst_init+0x84/0x4a0 [ 3998.811685][ T72] dst_alloc+0x97/0x150 [ 3998.811685][ T72] ip6_dst_alloc+0x23/0x90 [ 3998.811685][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3998.811685][ T72] ip6_pol_route+0x56f/0x840 [ 3998.811685][ T72] fib6_rule_lookup+0x456/0x630 [ 3998.811685][ T72] ip6_route_input+0x59c/0xa50 [ 3998.811685][ T72] ipv6_rcv+0x397/0x810 [ 3998.811685][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3998.811685][ T72] process_backlog+0x101/0x620 [ 3998.811685][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3998.811685][ T72] net_rx_action+0x495/0xbe0 [ 3998.811685][ T72] __do_softirq+0x1b5/0x7f6 [ 3998.811685][ T72] [ 3998.813519][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3998.813519][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.813519][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.813519][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.813519][ T72] ip6_route_add+0x1c/0x140 [ 3998.813519][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3998.813519][ T72] inet6_addr_add+0x4f8/0xa40 [ 3998.813519][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.813519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.813519][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.813519][ T72] netlink_unicast+0x449/0x710 [ 3998.813519][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.813519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.813519][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.813519][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.813519][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.813519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.813519][ T72] [ 3998.815729][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3998.815729][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.815729][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.815729][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.815729][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3998.815729][ T72] ipv6_add_addr+0x411/0x2000 [ 3998.815729][ T72] inet6_addr_add+0x30e/0xa40 [ 3998.815729][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.815729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.815729][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.815729][ T72] netlink_unicast+0x449/0x710 [ 3998.815729][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.815729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.815729][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.815729][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.815729][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.815729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.815729][ T72] [ 3998.817996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3998.817996][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.817996][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.817996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.817996][ T72] ip6_route_add+0x1c/0x140 [ 3998.817996][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3998.817996][ T72] addrconf_add_dev+0xe2/0x170 [ 3998.817996][ T72] inet6_addr_add+0x12f/0xa40 [ 3998.817996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.817996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.817996][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.817996][ T72] netlink_unicast+0x449/0x710 [ 3998.817996][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.817996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.817996][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.817996][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.817996][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.817996][ T72] [ 3998.820173][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3998.820173][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3998.820173][ T72] ipv6_find_idev+0x102/0x170 [ 3998.820173][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3998.820173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.820173][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.820173][ T72] netlink_unicast+0x449/0x710 [ 3998.820173][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.820173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.820173][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.820173][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.820173][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.820173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.820173][ T72] [ 3998.821890][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 3998.821890][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3998.821890][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3998.821890][ T72] ipv6_find_idev+0x102/0x170 [ 3998.821890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3998.821890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.821890][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.821890][ T72] netlink_unicast+0x449/0x710 [ 3998.821890][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.821890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.821890][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.821890][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.821890][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.821890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.821890][ T72] [ 3998.823746][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 3998.824072][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3998.824072][ T72] dst_init+0x84/0x4a0 [ 3998.824072][ T72] dst_alloc+0x97/0x150 [ 3998.824072][ T72] ip6_dst_alloc+0x23/0x90 [ 3998.824072][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3998.824072][ T72] ip6_pol_route+0x56f/0x840 [ 3998.824072][ T72] fib6_rule_lookup+0x456/0x630 [ 3998.824072][ T72] ip6_route_input+0x59c/0xa50 [ 3998.824072][ T72] ipv6_rcv+0x397/0x810 [ 3998.824072][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3998.824072][ T72] process_backlog+0x101/0x620 [ 3998.824072][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3998.824072][ T72] net_rx_action+0x495/0xbe0 [ 3998.824072][ T72] __do_softirq+0x1b5/0x7f6 [ 3998.824072][ T72] [ 3998.825906][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3998.825906][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.825906][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.825906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.825906][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3998.825906][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3998.825906][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3998.825906][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3998.825906][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3998.825906][ T72] addrconf_dad_begin+0x310/0x670 [ 3998.825906][ T72] addrconf_dad_work+0x10b/0xab0 [ 3998.825906][ T72] process_one_work+0x84d/0x18a0 [ 3998.825906][ T72] worker_thread+0x587/0xd30 [ 3998.825906][ T72] kthread+0x28a/0x350 [ 3998.825906][ T72] ret_from_fork+0x31/0x70 [ 3998.825906][ T72] ret_from_fork_asm+0x1a/0x30 [ 3998.825906][ T72] [ 3998.828030][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3998.828030][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.828030][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.828030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.828030][ T72] ip6_route_add+0x1c/0x140 [ 3998.828030][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3998.828030][ T72] inet6_addr_add+0x4f8/0xa40 [ 3998.828030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.828030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.828030][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.828030][ T72] netlink_unicast+0x449/0x710 [ 3998.828030][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.828030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.828030][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.828030][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.828030][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.828030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.828030][ T72] [ 3998.830264][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3998.830264][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.830264][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.830264][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.830264][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3998.830264][ T72] ipv6_add_addr+0x411/0x2000 [ 3998.830264][ T72] inet6_addr_add+0x30e/0xa40 [ 3998.830264][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.830264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.830264][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.830264][ T72] netlink_unicast+0x449/0x710 [ 3998.830264][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.830264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.830264][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.830264][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.830264][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.830264][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.830264][ T72] [ 3998.832491][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3998.832491][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.832491][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.832491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.832491][ T72] ip6_route_add+0x1c/0x140 [ 3998.832491][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3998.832491][ T72] addrconf_add_dev+0xe2/0x170 [ 3998.832491][ T72] inet6_addr_add+0x12f/0xa40 [ 3998.832491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.832491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.832491][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.832491][ T72] netlink_unicast+0x449/0x710 [ 3998.832491][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.832491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.832491][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.832491][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.832491][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.832491][ T72] [ 3998.834643][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3998.834643][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3998.834643][ T72] ipv6_find_idev+0x102/0x170 [ 3998.834643][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3998.834643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.834643][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.834643][ T72] netlink_unicast+0x449/0x710 [ 3998.834643][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.834643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.834643][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.834643][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.834643][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.834643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.834643][ T72] [ 3998.836345][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 3998.836345][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3998.836345][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3998.836345][ T72] ipv6_find_idev+0x102/0x170 [ 3998.836345][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3998.836345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.836345][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.836345][ T72] netlink_unicast+0x449/0x710 [ 3998.836345][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.836345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.836345][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.836345][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.836345][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.836345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.836345][ T72] [ 3998.838327][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 3998.838636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3998.838636][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 3998.838636][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 3998.838636][ T72] fib6_nh_init+0xa22/0x1580 [ 3998.838636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.838636][ T72] ip6_route_add+0x1c/0x140 [ 3998.838636][ T72] inet6_rtm_newroute+0x104/0x110 [ 3998.838636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.838636][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.838636][ T72] netlink_unicast+0x449/0x710 [ 3998.838636][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.838636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.838636][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.838636][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.838636][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.838636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.838636][ T72] [ 3998.841535][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3998.841535][ T72] dst_init+0x84/0x4a0 [ 3998.841535][ T72] dst_alloc+0x97/0x150 [ 3998.841535][ T72] ip6_dst_alloc+0x23/0x90 [ 3998.841535][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3998.841535][ T72] ip6_pol_route+0x56f/0x840 [ 3998.841535][ T72] fib6_rule_lookup+0x456/0x630 [ 3998.841535][ T72] ip6_route_input+0x59c/0xa50 [ 3998.841535][ T72] ipv6_rcv+0x397/0x810 [ 3998.841535][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 3998.841535][ T72] process_backlog+0x101/0x620 [ 3998.841535][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 3998.841535][ T72] net_rx_action+0x495/0xbe0 [ 3998.841535][ T72] __do_softirq+0x1b5/0x7f6 [ 3998.841535][ T72] [ 3998.843521][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3998.843521][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.843521][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.843521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.843521][ T72] ip6_route_add+0x1c/0x140 [ 3998.843521][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3998.843521][ T72] inet6_addr_add+0x4f8/0xa40 [ 3998.843521][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.843521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.843521][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.843521][ T72] netlink_unicast+0x449/0x710 [ 3998.843521][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.843521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.843521][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.843521][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.843521][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.843521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.843521][ T72] [ 3998.845883][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3998.845883][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.845883][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.845883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.845883][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3998.845883][ T72] ipv6_add_addr+0x411/0x2000 [ 3998.845883][ T72] inet6_addr_add+0x30e/0xa40 [ 3998.845883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.845883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.845883][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.845883][ T72] netlink_unicast+0x449/0x710 [ 3998.845883][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.845883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.845883][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.845883][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.845883][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.845883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.845883][ T72] [ 3998.848322][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3998.848322][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.848322][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.848322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.848322][ T72] ip6_route_add+0x1c/0x140 [ 3998.848322][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3998.848322][ T72] addrconf_add_dev+0xe2/0x170 [ 3998.848322][ T72] inet6_addr_add+0x12f/0xa40 [ 3998.848322][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.848322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.848322][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.848322][ T72] netlink_unicast+0x449/0x710 [ 3998.848322][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.848322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.848322][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.848322][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.848322][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.848322][ T72] [ 3998.850800][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3998.850800][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3998.850800][ T72] ipv6_find_idev+0x102/0x170 [ 3998.850800][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3998.850800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.850800][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.850800][ T72] netlink_unicast+0x449/0x710 [ 3998.850800][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.850800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.850800][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.850800][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.850800][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.850800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.850800][ T72] [ 3998.852678][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 3998.852678][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3998.852678][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3998.852678][ T72] ipv6_find_idev+0x102/0x170 [ 3998.852678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3998.852678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.852678][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.852678][ T72] netlink_unicast+0x449/0x710 [ 3998.852678][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.852678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.852678][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.852678][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.852678][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.852678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.852678][ T72] [ 3998.855121][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 3998.855480][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3998.855480][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.855480][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.855480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.855480][ T72] addrconf_f6i_alloc+0x265/0x560 [ 3998.855480][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3998.855480][ T72] addrconf_join_anycast+0x1c0/0x220 [ 3998.855480][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3998.855480][ T72] addrconf_dad_completed+0x12b/0xe20 [ 3998.855480][ T72] addrconf_dad_begin+0x310/0x670 [ 3998.855480][ T72] addrconf_dad_work+0x10b/0xab0 [ 3998.855480][ T72] process_one_work+0x84d/0x18a0 [ 3998.855480][ T72] worker_thread+0x587/0xd30 [ 3998.855480][ T72] kthread+0x28a/0x350 [ 3998.855480][ T72] ret_from_fork+0x31/0x70 [ 3998.855480][ T72] ret_from_fork_asm+0x1a/0x30 [ 3998.855480][ T72] [ 3998.857792][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3998.857792][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.857792][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.857792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.857792][ T72] ip6_route_add+0x1c/0x140 [ 3998.857792][ T72] addrconf_prefix_route+0x2a6/0x430 [ 3998.857792][ T72] inet6_addr_add+0x4f8/0xa40 [ 3998.857792][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.857792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.857792][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.857792][ T72] netlink_unicast+0x449/0x710 [ 3998.857792][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.857792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.857792][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.857792][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.857792][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.857792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.857792][ T72] [ 3998.860269][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3998.860269][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.860269][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.860269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.860269][ T72] addrconf_f6i_alloc+0x315/0x560 [ 3998.860269][ T72] ipv6_add_addr+0x411/0x2000 [ 3998.860269][ T72] inet6_addr_add+0x30e/0xa40 [ 3998.860269][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.860269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.860269][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.860269][ T72] netlink_unicast+0x449/0x710 [ 3998.860269][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.860269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.860269][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.860269][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.860269][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.860269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.860269][ T72] [ 3998.862800][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3998.862800][ T72] netdev_get_by_index+0x5e/0x80 [ 3998.862800][ T72] fib6_nh_init+0x3d8/0x1580 [ 3998.862800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 3998.862800][ T72] ip6_route_add+0x1c/0x140 [ 3998.862800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 3998.862800][ T72] addrconf_add_dev+0xe2/0x170 [ 3998.862800][ T72] inet6_addr_add+0x12f/0xa40 [ 3998.862800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 3998.862800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.862800][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.862800][ T72] netlink_unicast+0x449/0x710 [ 3998.862800][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.862800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.862800][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.862800][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.862800][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.862800][ T72] [ 3998.865209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3998.865209][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 3998.865209][ T72] ipv6_find_idev+0x102/0x170 [ 3998.865209][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3998.865209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.865209][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.865209][ T72] netlink_unicast+0x449/0x710 [ 3998.865209][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.865209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.865209][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.865209][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.865209][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.865209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.865209][ T72] [ 3998.867102][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 3998.867102][ T72] neigh_parms_alloc+0x1e5/0x510 [ 3998.867102][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 3998.867102][ T72] ipv6_find_idev+0x102/0x170 [ 3998.867102][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 3998.867102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3998.867102][ T72] netlink_rcv_skb+0x130/0x360 [ 3998.867102][ T72] netlink_unicast+0x449/0x710 [ 3998.867102][ T72] netlink_sendmsg+0x723/0xbe0 [ 3998.867102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 3998.867102][ T72] ___sys_sendmsg+0xee/0x170 [ 3998.867102][ T72] __sys_sendmsg+0xcd/0x170 [ 3998.867102][ T72] do_syscall_64+0xc6/0x1e0 [ 3998.867102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3998.867102][ T72] [ 4008.912944][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4008.913429][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4008.913429][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4008.913429][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4008.913429][ T72] fib6_nh_init+0xa22/0x1580 [ 4008.913429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.913429][ T72] ip6_route_add+0x1c/0x140 [ 4008.913429][ T72] inet6_rtm_newroute+0x104/0x110 [ 4008.913429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.913429][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.913429][ T72] netlink_unicast+0x449/0x710 [ 4008.913429][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.913429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.913429][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.913429][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.913429][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.913429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.913429][ T72] [ 4008.915543][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4008.915543][ T72] dst_init+0x84/0x4a0 [ 4008.915543][ T72] dst_alloc+0x97/0x150 [ 4008.915543][ T72] ip6_dst_alloc+0x23/0x90 [ 4008.915543][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4008.915543][ T72] ip6_pol_route+0x56f/0x840 [ 4008.915543][ T72] fib6_rule_lookup+0x456/0x630 [ 4008.915543][ T72] ip6_route_input+0x59c/0xa50 [ 4008.915543][ T72] ipv6_rcv+0x397/0x810 [ 4008.915543][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4008.915543][ T72] process_backlog+0x101/0x620 [ 4008.915543][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4008.915543][ T72] net_rx_action+0x495/0xbe0 [ 4008.915543][ T72] __do_softirq+0x1b5/0x7f6 [ 4008.915543][ T72] [ 4008.917372][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4008.917372][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.917372][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.917372][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.917372][ T72] ip6_route_add+0x1c/0x140 [ 4008.917372][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4008.917372][ T72] inet6_addr_add+0x4f8/0xa40 [ 4008.917372][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.917372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.917372][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.917372][ T72] netlink_unicast+0x449/0x710 [ 4008.917372][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.917372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.917372][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.917372][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.917372][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.917372][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.917372][ T72] [ 4008.919621][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4008.919621][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.919621][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.919621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.919621][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4008.919621][ T72] ipv6_add_addr+0x411/0x2000 [ 4008.919621][ T72] inet6_addr_add+0x30e/0xa40 [ 4008.919621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.919621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.919621][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.919621][ T72] netlink_unicast+0x449/0x710 [ 4008.919621][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.919621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.919621][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.919621][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.919621][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.919621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.919621][ T72] [ 4008.921841][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4008.921841][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.921841][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.921841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.921841][ T72] ip6_route_add+0x1c/0x140 [ 4008.921841][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4008.921841][ T72] addrconf_add_dev+0xe2/0x170 [ 4008.921841][ T72] inet6_addr_add+0x12f/0xa40 [ 4008.921841][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.921841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.921841][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.921841][ T72] netlink_unicast+0x449/0x710 [ 4008.921841][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.921841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.921841][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.921841][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.921841][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.921841][ T72] [ 4008.924026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4008.924026][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4008.924026][ T72] ipv6_find_idev+0x102/0x170 [ 4008.924026][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4008.924026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.924026][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.924026][ T72] netlink_unicast+0x449/0x710 [ 4008.924026][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.924026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.924026][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.924026][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.924026][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.924026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.924026][ T72] [ 4008.925715][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4008.925715][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4008.925715][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4008.925715][ T72] ipv6_find_idev+0x102/0x170 [ 4008.925715][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4008.925715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.925715][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.925715][ T72] netlink_unicast+0x449/0x710 [ 4008.925715][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.925715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.925715][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.925715][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.925715][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.925715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.925715][ T72] [ 4008.927966][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4008.928269][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4008.928269][ T72] dst_init+0x84/0x4a0 [ 4008.928269][ T72] dst_alloc+0x97/0x150 [ 4008.928269][ T72] ip6_dst_alloc+0x23/0x90 [ 4008.928269][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4008.928269][ T72] ip6_pol_route+0x56f/0x840 [ 4008.928269][ T72] fib6_rule_lookup+0x456/0x630 [ 4008.928269][ T72] ip6_route_input+0x59c/0xa50 [ 4008.928269][ T72] ipv6_rcv+0x397/0x810 [ 4008.928269][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4008.928269][ T72] process_backlog+0x101/0x620 [ 4008.928269][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4008.928269][ T72] net_rx_action+0x495/0xbe0 [ 4008.928269][ T72] __do_softirq+0x1b5/0x7f6 [ 4008.928269][ T72] [ 4008.930450][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4008.930450][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.930450][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.930450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.930450][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4008.930450][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4008.930450][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4008.930450][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4008.930450][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4008.930450][ T72] addrconf_dad_begin+0x310/0x670 [ 4008.930450][ T72] addrconf_dad_work+0x10b/0xab0 [ 4008.930450][ T72] process_one_work+0x84d/0x18a0 [ 4008.930450][ T72] worker_thread+0x587/0xd30 [ 4008.930450][ T72] kthread+0x28a/0x350 [ 4008.930450][ T72] ret_from_fork+0x31/0x70 [ 4008.930450][ T72] ret_from_fork_asm+0x1a/0x30 [ 4008.930450][ T72] [ 4008.932904][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4008.932904][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.932904][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.932904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.932904][ T72] ip6_route_add+0x1c/0x140 [ 4008.932904][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4008.932904][ T72] inet6_addr_add+0x4f8/0xa40 [ 4008.932904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.932904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.932904][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.932904][ T72] netlink_unicast+0x449/0x710 [ 4008.932904][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.932904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.932904][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.932904][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.932904][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.932904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.932904][ T72] [ 4008.935106][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4008.935106][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.935106][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.935106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.935106][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4008.935106][ T72] ipv6_add_addr+0x411/0x2000 [ 4008.935106][ T72] inet6_addr_add+0x30e/0xa40 [ 4008.935106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.935106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.935106][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.935106][ T72] netlink_unicast+0x449/0x710 [ 4008.935106][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.935106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.935106][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.935106][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.935106][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.935106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.935106][ T72] [ 4008.937342][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4008.937342][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.937342][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.937342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.937342][ T72] ip6_route_add+0x1c/0x140 [ 4008.937342][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4008.937342][ T72] addrconf_add_dev+0xe2/0x170 [ 4008.937342][ T72] inet6_addr_add+0x12f/0xa40 [ 4008.937342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.937342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.937342][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.937342][ T72] netlink_unicast+0x449/0x710 [ 4008.937342][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.937342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.937342][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.937342][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.937342][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.937342][ T72] [ 4008.939527][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4008.939527][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4008.939527][ T72] ipv6_find_idev+0x102/0x170 [ 4008.939527][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4008.939527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.939527][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.939527][ T72] netlink_unicast+0x449/0x710 [ 4008.939527][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.939527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.939527][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.939527][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.939527][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.939527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.939527][ T72] [ 4008.941245][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4008.941245][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4008.941245][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4008.941245][ T72] ipv6_find_idev+0x102/0x170 [ 4008.941245][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4008.941245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.941245][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.941245][ T72] netlink_unicast+0x449/0x710 [ 4008.941245][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.941245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.941245][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.941245][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.941245][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.941245][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.941245][ T72] [ 4008.943229][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4008.943519][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4008.943519][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4008.943519][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4008.943519][ T72] fib6_nh_init+0xa22/0x1580 [ 4008.943519][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.943519][ T72] ip6_route_add+0x1c/0x140 [ 4008.943519][ T72] inet6_rtm_newroute+0x104/0x110 [ 4008.943519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.943519][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.943519][ T72] netlink_unicast+0x449/0x710 [ 4008.943519][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.943519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.943519][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.943519][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.943519][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.943519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.943519][ T72] [ 4008.945848][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4008.945848][ T72] dst_init+0x84/0x4a0 [ 4008.945848][ T72] dst_alloc+0x97/0x150 [ 4008.945848][ T72] ip6_dst_alloc+0x23/0x90 [ 4008.945848][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4008.945848][ T72] ip6_pol_route+0x56f/0x840 [ 4008.945848][ T72] fib6_rule_lookup+0x456/0x630 [ 4008.945848][ T72] ip6_route_input+0x59c/0xa50 [ 4008.945848][ T72] ipv6_rcv+0x397/0x810 [ 4008.945848][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4008.945848][ T72] process_backlog+0x101/0x620 [ 4008.945848][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4008.945848][ T72] net_rx_action+0x495/0xbe0 [ 4008.945848][ T72] __do_softirq+0x1b5/0x7f6 [ 4008.945848][ T72] [ 4008.947906][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4008.947906][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.947906][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.947906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.947906][ T72] ip6_route_add+0x1c/0x140 [ 4008.947906][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4008.947906][ T72] inet6_addr_add+0x4f8/0xa40 [ 4008.947906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.947906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.947906][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.947906][ T72] netlink_unicast+0x449/0x710 [ 4008.947906][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.947906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.947906][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.947906][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.947906][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.947906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.947906][ T72] [ 4008.950310][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4008.950310][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.950310][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.950310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.950310][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4008.950310][ T72] ipv6_add_addr+0x411/0x2000 [ 4008.950310][ T72] inet6_addr_add+0x30e/0xa40 [ 4008.950310][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.950310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.950310][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.950310][ T72] netlink_unicast+0x449/0x710 [ 4008.950310][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.950310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.950310][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.950310][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.950310][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.950310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.950310][ T72] [ 4008.952775][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4008.952775][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.952775][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.952775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.952775][ T72] ip6_route_add+0x1c/0x140 [ 4008.952775][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4008.952775][ T72] addrconf_add_dev+0xe2/0x170 [ 4008.952775][ T72] inet6_addr_add+0x12f/0xa40 [ 4008.952775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.952775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.952775][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.952775][ T72] netlink_unicast+0x449/0x710 [ 4008.952775][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.952775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.952775][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.952775][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.952775][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.952775][ T72] [ 4008.955268][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4008.955268][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4008.955268][ T72] ipv6_find_idev+0x102/0x170 [ 4008.955268][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4008.955268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.955268][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.955268][ T72] netlink_unicast+0x449/0x710 [ 4008.955268][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.955268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.955268][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.955268][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.955268][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.955268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.955268][ T72] [ 4008.957154][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4008.957154][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4008.957154][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4008.957154][ T72] ipv6_find_idev+0x102/0x170 [ 4008.957154][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4008.957154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.957154][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.957154][ T72] netlink_unicast+0x449/0x710 [ 4008.957154][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.957154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.957154][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.957154][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.957154][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.957154][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.957154][ T72] [ 4008.959196][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4008.959570][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4008.959570][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.959570][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.959570][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.959570][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4008.959570][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4008.959570][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4008.959570][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4008.959570][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4008.959570][ T72] addrconf_dad_begin+0x310/0x670 [ 4008.959570][ T72] addrconf_dad_work+0x10b/0xab0 [ 4008.959570][ T72] process_one_work+0x84d/0x18a0 [ 4008.959570][ T72] worker_thread+0x587/0xd30 [ 4008.959570][ T72] kthread+0x28a/0x350 [ 4008.959570][ T72] ret_from_fork+0x31/0x70 [ 4008.959570][ T72] ret_from_fork_asm+0x1a/0x30 [ 4008.959570][ T72] [ 4008.961808][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4008.961808][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.961808][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.961808][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.961808][ T72] ip6_route_add+0x1c/0x140 [ 4008.961808][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4008.961808][ T72] inet6_addr_add+0x4f8/0xa40 [ 4008.961808][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.961808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.961808][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.961808][ T72] netlink_unicast+0x449/0x710 [ 4008.961808][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.961808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.961808][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.961808][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.961808][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.961808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.961808][ T72] [ 4008.964258][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4008.964258][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.964258][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.964258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.964258][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4008.964258][ T72] ipv6_add_addr+0x411/0x2000 [ 4008.964258][ T72] inet6_addr_add+0x30e/0xa40 [ 4008.964258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.964258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.964258][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.964258][ T72] netlink_unicast+0x449/0x710 [ 4008.964258][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.964258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.964258][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.964258][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.964258][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.964258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.964258][ T72] [ 4008.966796][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4008.966796][ T72] netdev_get_by_index+0x5e/0x80 [ 4008.966796][ T72] fib6_nh_init+0x3d8/0x1580 [ 4008.966796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4008.966796][ T72] ip6_route_add+0x1c/0x140 [ 4008.966796][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4008.966796][ T72] addrconf_add_dev+0xe2/0x170 [ 4008.966796][ T72] inet6_addr_add+0x12f/0xa40 [ 4008.966796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4008.966796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.966796][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.966796][ T72] netlink_unicast+0x449/0x710 [ 4008.966796][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.966796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.966796][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.966796][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.966796][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.966796][ T72] [ 4008.969246][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4008.969246][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4008.969246][ T72] ipv6_find_idev+0x102/0x170 [ 4008.969246][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4008.969246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.969246][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.969246][ T72] netlink_unicast+0x449/0x710 [ 4008.969246][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.969246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.969246][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.969246][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.969246][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.969246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.969246][ T72] [ 4008.971139][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4008.971139][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4008.971139][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4008.971139][ T72] ipv6_find_idev+0x102/0x170 [ 4008.971139][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4008.971139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4008.971139][ T72] netlink_rcv_skb+0x130/0x360 [ 4008.971139][ T72] netlink_unicast+0x449/0x710 [ 4008.971139][ T72] netlink_sendmsg+0x723/0xbe0 [ 4008.971139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4008.971139][ T72] ___sys_sendmsg+0xee/0x170 [ 4008.971139][ T72] __sys_sendmsg+0xcd/0x170 [ 4008.971139][ T72] do_syscall_64+0xc6/0x1e0 [ 4008.971139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4008.971139][ T72] [ 4019.208935][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4019.209443][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4019.209443][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4019.209443][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4019.209443][ T72] fib6_nh_init+0xa22/0x1580 [ 4019.209443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.209443][ T72] ip6_route_add+0x1c/0x140 [ 4019.209443][ T72] inet6_rtm_newroute+0x104/0x110 [ 4019.209443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.209443][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.209443][ T72] netlink_unicast+0x449/0x710 [ 4019.209443][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.209443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.209443][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.209443][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.209443][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.209443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.209443][ T72] [ 4019.211362][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4019.211362][ T72] dst_init+0x84/0x4a0 [ 4019.211362][ T72] dst_alloc+0x97/0x150 [ 4019.211362][ T72] ip6_dst_alloc+0x23/0x90 [ 4019.211362][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4019.211362][ T72] ip6_pol_route+0x56f/0x840 [ 4019.211362][ T72] fib6_rule_lookup+0x456/0x630 [ 4019.211362][ T72] ip6_route_input+0x59c/0xa50 [ 4019.211362][ T72] ipv6_rcv+0x397/0x810 [ 4019.211362][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4019.211362][ T72] process_backlog+0x101/0x620 [ 4019.211362][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4019.211362][ T72] net_rx_action+0x495/0xbe0 [ 4019.211362][ T72] __do_softirq+0x1b5/0x7f6 [ 4019.211362][ T72] [ 4019.213012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4019.213012][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.213012][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.213012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.213012][ T72] ip6_route_add+0x1c/0x140 [ 4019.213012][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4019.213012][ T72] inet6_addr_add+0x4f8/0xa40 [ 4019.213012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.213012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.213012][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.213012][ T72] netlink_unicast+0x449/0x710 [ 4019.213012][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.213012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.213012][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.213012][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.213012][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.213012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.213012][ T72] [ 4019.215024][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4019.215024][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.215024][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.215024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.215024][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4019.215024][ T72] ipv6_add_addr+0x411/0x2000 [ 4019.215024][ T72] inet6_addr_add+0x30e/0xa40 [ 4019.215024][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.215024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.215024][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.215024][ T72] netlink_unicast+0x449/0x710 [ 4019.215024][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.215024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.215024][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.215024][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.215024][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.215024][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.215024][ T72] [ 4019.217031][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4019.217031][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.217031][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.217031][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.217031][ T72] ip6_route_add+0x1c/0x140 [ 4019.217031][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4019.217031][ T72] addrconf_add_dev+0xe2/0x170 [ 4019.217031][ T72] inet6_addr_add+0x12f/0xa40 [ 4019.217031][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.217031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.217031][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.217031][ T72] netlink_unicast+0x449/0x710 [ 4019.217031][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.217031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.217031][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.217031][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.217031][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.217031][ T72] [ 4019.219004][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4019.219004][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4019.219004][ T72] ipv6_find_idev+0x102/0x170 [ 4019.219004][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.219004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.219004][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.219004][ T72] netlink_unicast+0x449/0x710 [ 4019.219004][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.219004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.219004][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.219004][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.219004][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.219004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.219004][ T72] [ 4019.220558][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4019.220558][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4019.220558][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4019.220558][ T72] ipv6_find_idev+0x102/0x170 [ 4019.220558][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.220558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.220558][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.220558][ T72] netlink_unicast+0x449/0x710 [ 4019.220558][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.220558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.220558][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.220558][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.220558][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.220558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.220558][ T72] [ 4019.222279][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4019.222551][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4019.222551][ T72] dst_init+0x84/0x4a0 [ 4019.222551][ T72] dst_alloc+0x97/0x150 [ 4019.222551][ T72] ip6_dst_alloc+0x23/0x90 [ 4019.222551][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4019.222551][ T72] ip6_pol_route+0x56f/0x840 [ 4019.222551][ T72] fib6_rule_lookup+0x456/0x630 [ 4019.222551][ T72] ip6_route_input+0x59c/0xa50 [ 4019.222551][ T72] ipv6_rcv+0x397/0x810 [ 4019.222551][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4019.222551][ T72] process_backlog+0x101/0x620 [ 4019.222551][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4019.222551][ T72] net_rx_action+0x495/0xbe0 [ 4019.222551][ T72] __do_softirq+0x1b5/0x7f6 [ 4019.222551][ T72] [ 4019.224194][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4019.224194][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.224194][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.224194][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.224194][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4019.224194][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4019.224194][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4019.224194][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4019.224194][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4019.224194][ T72] addrconf_dad_begin+0x310/0x670 [ 4019.224194][ T72] addrconf_dad_work+0x10b/0xab0 [ 4019.224194][ T72] process_one_work+0x84d/0x18a0 [ 4019.224194][ T72] worker_thread+0x587/0xd30 [ 4019.224194][ T72] kthread+0x28a/0x350 [ 4019.224194][ T72] ret_from_fork+0x31/0x70 [ 4019.224194][ T72] ret_from_fork_asm+0x1a/0x30 [ 4019.224194][ T72] [ 4019.226109][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4019.226109][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.226109][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.226109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.226109][ T72] ip6_route_add+0x1c/0x140 [ 4019.226109][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4019.226109][ T72] inet6_addr_add+0x4f8/0xa40 [ 4019.226109][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.226109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.226109][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.226109][ T72] netlink_unicast+0x449/0x710 [ 4019.226109][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.226109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.226109][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.226109][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.226109][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.226109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.226109][ T72] [ 4019.228114][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4019.228114][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.228114][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.228114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.228114][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4019.228114][ T72] ipv6_add_addr+0x411/0x2000 [ 4019.228114][ T72] inet6_addr_add+0x30e/0xa40 [ 4019.228114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.228114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.228114][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.228114][ T72] netlink_unicast+0x449/0x710 [ 4019.228114][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.228114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.228114][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.228114][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.228114][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.228114][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.228114][ T72] [ 4019.230122][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4019.230122][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.230122][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.230122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.230122][ T72] ip6_route_add+0x1c/0x140 [ 4019.230122][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4019.230122][ T72] addrconf_add_dev+0xe2/0x170 [ 4019.230122][ T72] inet6_addr_add+0x12f/0xa40 [ 4019.230122][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.230122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.230122][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.230122][ T72] netlink_unicast+0x449/0x710 [ 4019.230122][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.230122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.230122][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.230122][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.230122][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.230122][ T72] [ 4019.232090][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4019.232090][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4019.232090][ T72] ipv6_find_idev+0x102/0x170 [ 4019.232090][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.232090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.232090][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.232090][ T72] netlink_unicast+0x449/0x710 [ 4019.232090][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.232090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.232090][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.232090][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.232090][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.232090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.232090][ T72] [ 4019.233633][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4019.233633][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4019.233633][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4019.233633][ T72] ipv6_find_idev+0x102/0x170 [ 4019.233633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.233633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.233633][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.233633][ T72] netlink_unicast+0x449/0x710 [ 4019.233633][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.233633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.233633][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.233633][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.233633][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.233633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.233633][ T72] [ 4019.235370][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4019.235708][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4019.235708][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4019.235708][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4019.235708][ T72] fib6_nh_init+0xa22/0x1580 [ 4019.235708][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.235708][ T72] ip6_route_add+0x1c/0x140 [ 4019.235708][ T72] inet6_rtm_newroute+0x104/0x110 [ 4019.235708][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.235708][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.235708][ T72] netlink_unicast+0x449/0x710 [ 4019.235708][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.235708][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.235708][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.235708][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.235708][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.235708][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.235708][ T72] [ 4019.237776][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4019.237776][ T72] dst_init+0x84/0x4a0 [ 4019.237776][ T72] dst_alloc+0x97/0x150 [ 4019.237776][ T72] ip6_dst_alloc+0x23/0x90 [ 4019.237776][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4019.237776][ T72] ip6_pol_route+0x56f/0x840 [ 4019.237776][ T72] fib6_rule_lookup+0x456/0x630 [ 4019.237776][ T72] ip6_route_input+0x59c/0xa50 [ 4019.237776][ T72] ipv6_rcv+0x397/0x810 [ 4019.237776][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4019.237776][ T72] process_backlog+0x101/0x620 [ 4019.237776][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4019.237776][ T72] net_rx_action+0x495/0xbe0 [ 4019.237776][ T72] __do_softirq+0x1b5/0x7f6 [ 4019.237776][ T72] [ 4019.239597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4019.239597][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.239597][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.239597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.239597][ T72] ip6_route_add+0x1c/0x140 [ 4019.239597][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4019.239597][ T72] inet6_addr_add+0x4f8/0xa40 [ 4019.239597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.239597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.239597][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.239597][ T72] netlink_unicast+0x449/0x710 [ 4019.239597][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.239597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.239597][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.239597][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.239597][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.239597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.239597][ T72] [ 4019.242106][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4019.242106][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.242106][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.242106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.242106][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4019.242106][ T72] ipv6_add_addr+0x411/0x2000 [ 4019.242106][ T72] inet6_addr_add+0x30e/0xa40 [ 4019.242106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.242106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.242106][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.242106][ T72] netlink_unicast+0x449/0x710 [ 4019.242106][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.242106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.242106][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.242106][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.242106][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.242106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.242106][ T72] [ 4019.244308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4019.244308][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.244308][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.244308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.244308][ T72] ip6_route_add+0x1c/0x140 [ 4019.244308][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4019.244308][ T72] addrconf_add_dev+0xe2/0x170 [ 4019.244308][ T72] inet6_addr_add+0x12f/0xa40 [ 4019.244308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.244308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.244308][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.244308][ T72] netlink_unicast+0x449/0x710 [ 4019.244308][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.244308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.244308][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.244308][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.244308][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.244308][ T72] [ 4019.246585][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4019.246585][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4019.246585][ T72] ipv6_find_idev+0x102/0x170 [ 4019.246585][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.246585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.246585][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.246585][ T72] netlink_unicast+0x449/0x710 [ 4019.246585][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.246585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.246585][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.246585][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.246585][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.246585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.246585][ T72] [ 4019.248322][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4019.248322][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4019.248322][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4019.248322][ T72] ipv6_find_idev+0x102/0x170 [ 4019.248322][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.248322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.248322][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.248322][ T72] netlink_unicast+0x449/0x710 [ 4019.248322][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.248322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.248322][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.248322][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.248322][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.248322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.248322][ T72] [ 4019.250194][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4019.250529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4019.250529][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.250529][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.250529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.250529][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4019.250529][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4019.250529][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4019.250529][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4019.250529][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4019.250529][ T72] addrconf_dad_begin+0x310/0x670 [ 4019.250529][ T72] addrconf_dad_work+0x10b/0xab0 [ 4019.250529][ T72] process_one_work+0x84d/0x18a0 [ 4019.250529][ T72] worker_thread+0x587/0xd30 [ 4019.250529][ T72] kthread+0x28a/0x350 [ 4019.250529][ T72] ret_from_fork+0x31/0x70 [ 4019.250529][ T72] ret_from_fork_asm+0x1a/0x30 [ 4019.250529][ T72] [ 4019.252636][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4019.252636][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.252636][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.252636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.252636][ T72] ip6_route_add+0x1c/0x140 [ 4019.252636][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4019.252636][ T72] inet6_addr_add+0x4f8/0xa40 [ 4019.252636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.252636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.252636][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.252636][ T72] netlink_unicast+0x449/0x710 [ 4019.252636][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.252636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.252636][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.252636][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.252636][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.252636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.252636][ T72] [ 4019.254881][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4019.254881][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.254881][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.254881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.254881][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4019.254881][ T72] ipv6_add_addr+0x411/0x2000 [ 4019.254881][ T72] inet6_addr_add+0x30e/0xa40 [ 4019.254881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.254881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.254881][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.254881][ T72] netlink_unicast+0x449/0x710 [ 4019.254881][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.254881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.254881][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.254881][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.254881][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.254881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.254881][ T72] [ 4019.257193][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4019.257193][ T72] netdev_get_by_index+0x5e/0x80 [ 4019.257193][ T72] fib6_nh_init+0x3d8/0x1580 [ 4019.257193][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4019.257193][ T72] ip6_route_add+0x1c/0x140 [ 4019.257193][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4019.257193][ T72] addrconf_add_dev+0xe2/0x170 [ 4019.257193][ T72] inet6_addr_add+0x12f/0xa40 [ 4019.257193][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.257193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.257193][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.257193][ T72] netlink_unicast+0x449/0x710 [ 4019.257193][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.257193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.257193][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.257193][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.257193][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.257193][ T72] [ 4019.259419][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4019.259419][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4019.259419][ T72] ipv6_find_idev+0x102/0x170 [ 4019.259419][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.259419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.259419][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.259419][ T72] netlink_unicast+0x449/0x710 [ 4019.259419][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.259419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.259419][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.259419][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.259419][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.259419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.259419][ T72] [ 4019.261145][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4019.261145][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4019.261145][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4019.261145][ T72] ipv6_find_idev+0x102/0x170 [ 4019.261145][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.261145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.261145][ T72] netlink_rcv_skb+0x130/0x360 [ 4019.261145][ T72] netlink_unicast+0x449/0x710 [ 4019.261145][ T72] netlink_sendmsg+0x723/0xbe0 [ 4019.261145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4019.261145][ T72] ___sys_sendmsg+0xee/0x170 [ 4019.261145][ T72] __sys_sendmsg+0xcd/0x170 [ 4019.261145][ T72] do_syscall_64+0xc6/0x1e0 [ 4019.261145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.261145][ T72] [ 4029.841068][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4029.841581][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4029.841581][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4029.841581][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4029.841581][ T72] fib6_nh_init+0xa22/0x1580 [ 4029.841581][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.841581][ T72] ip6_route_add+0x1c/0x140 [ 4029.841581][ T72] inet6_rtm_newroute+0x104/0x110 [ 4029.841581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.841581][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.841581][ T72] netlink_unicast+0x449/0x710 [ 4029.841581][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.841581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.841581][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.841581][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.841581][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.841581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.841581][ T72] [ 4029.843502][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4029.843502][ T72] dst_init+0x84/0x4a0 [ 4029.843502][ T72] dst_alloc+0x97/0x150 [ 4029.843502][ T72] ip6_dst_alloc+0x23/0x90 [ 4029.843502][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4029.843502][ T72] ip6_pol_route+0x56f/0x840 [ 4029.843502][ T72] fib6_rule_lookup+0x456/0x630 [ 4029.843502][ T72] ip6_route_input+0x59c/0xa50 [ 4029.843502][ T72] ipv6_rcv+0x397/0x810 [ 4029.843502][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4029.843502][ T72] process_backlog+0x101/0x620 [ 4029.843502][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4029.843502][ T72] net_rx_action+0x495/0xbe0 [ 4029.843502][ T72] __do_softirq+0x1b5/0x7f6 [ 4029.843502][ T72] [ 4029.845153][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4029.845153][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.845153][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.845153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.845153][ T72] ip6_route_add+0x1c/0x140 [ 4029.845153][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4029.845153][ T72] inet6_addr_add+0x4f8/0xa40 [ 4029.845153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.845153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.845153][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.845153][ T72] netlink_unicast+0x449/0x710 [ 4029.845153][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.845153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.845153][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.845153][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.845153][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.845153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.845153][ T72] [ 4029.847166][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4029.847166][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.847166][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.847166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.847166][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4029.847166][ T72] ipv6_add_addr+0x411/0x2000 [ 4029.847166][ T72] inet6_addr_add+0x30e/0xa40 [ 4029.847166][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.847166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.847166][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.847166][ T72] netlink_unicast+0x449/0x710 [ 4029.847166][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.847166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.847166][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.847166][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.847166][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.847166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.847166][ T72] [ 4029.849197][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4029.849197][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.849197][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.849197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.849197][ T72] ip6_route_add+0x1c/0x140 [ 4029.849197][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4029.849197][ T72] addrconf_add_dev+0xe2/0x170 [ 4029.849197][ T72] inet6_addr_add+0x12f/0xa40 [ 4029.849197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.849197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.849197][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.849197][ T72] netlink_unicast+0x449/0x710 [ 4029.849197][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.849197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.849197][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.849197][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.849197][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.849197][ T72] [ 4029.851189][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4029.851189][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4029.851189][ T72] ipv6_find_idev+0x102/0x170 [ 4029.851189][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.851189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.851189][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.851189][ T72] netlink_unicast+0x449/0x710 [ 4029.851189][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.851189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.851189][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.851189][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.851189][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.851189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.851189][ T72] [ 4029.852732][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4029.852732][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4029.852732][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4029.852732][ T72] ipv6_find_idev+0x102/0x170 [ 4029.852732][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.852732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.852732][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.852732][ T72] netlink_unicast+0x449/0x710 [ 4029.852732][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.852732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.852732][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.852732][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.852732][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.852732][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.852732][ T72] [ 4029.854452][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4029.854723][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4029.854723][ T72] dst_init+0x84/0x4a0 [ 4029.854723][ T72] dst_alloc+0x97/0x150 [ 4029.854723][ T72] ip6_dst_alloc+0x23/0x90 [ 4029.854723][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4029.854723][ T72] ip6_pol_route+0x56f/0x840 [ 4029.854723][ T72] fib6_rule_lookup+0x456/0x630 [ 4029.854723][ T72] ip6_route_input+0x59c/0xa50 [ 4029.854723][ T72] ipv6_rcv+0x397/0x810 [ 4029.854723][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4029.854723][ T72] process_backlog+0x101/0x620 [ 4029.854723][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4029.854723][ T72] net_rx_action+0x495/0xbe0 [ 4029.854723][ T72] __do_softirq+0x1b5/0x7f6 [ 4029.854723][ T72] [ 4029.856378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4029.856378][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.856378][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.856378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.856378][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4029.856378][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4029.856378][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4029.856378][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4029.856378][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4029.856378][ T72] addrconf_dad_begin+0x310/0x670 [ 4029.856378][ T72] addrconf_dad_work+0x10b/0xab0 [ 4029.856378][ T72] process_one_work+0x84d/0x18a0 [ 4029.856378][ T72] worker_thread+0x587/0xd30 [ 4029.856378][ T72] kthread+0x28a/0x350 [ 4029.856378][ T72] ret_from_fork+0x31/0x70 [ 4029.856378][ T72] ret_from_fork_asm+0x1a/0x30 [ 4029.856378][ T72] [ 4029.858296][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4029.858296][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.858296][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.858296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.858296][ T72] ip6_route_add+0x1c/0x140 [ 4029.858296][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4029.858296][ T72] inet6_addr_add+0x4f8/0xa40 [ 4029.858296][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.858296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.858296][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.858296][ T72] netlink_unicast+0x449/0x710 [ 4029.858296][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.858296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.858296][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.858296][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.858296][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.858296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.858296][ T72] [ 4029.860312][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4029.860312][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.860312][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.860312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.860312][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4029.860312][ T72] ipv6_add_addr+0x411/0x2000 [ 4029.860312][ T72] inet6_addr_add+0x30e/0xa40 [ 4029.860312][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.860312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.860312][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.860312][ T72] netlink_unicast+0x449/0x710 [ 4029.860312][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.860312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.860312][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.860312][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.860312][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.860312][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.860312][ T72] [ 4029.862316][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4029.862316][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.862316][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.862316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.862316][ T72] ip6_route_add+0x1c/0x140 [ 4029.862316][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4029.862316][ T72] addrconf_add_dev+0xe2/0x170 [ 4029.862316][ T72] inet6_addr_add+0x12f/0xa40 [ 4029.862316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.862316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.862316][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.862316][ T72] netlink_unicast+0x449/0x710 [ 4029.862316][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.862316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.862316][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.862316][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.862316][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.862316][ T72] [ 4029.864364][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4029.864364][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4029.864364][ T72] ipv6_find_idev+0x102/0x170 [ 4029.864364][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.864364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.864364][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.864364][ T72] netlink_unicast+0x449/0x710 [ 4029.864364][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.864364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.864364][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.864364][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.864364][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.864364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.864364][ T72] [ 4029.865920][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4029.865920][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4029.865920][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4029.865920][ T72] ipv6_find_idev+0x102/0x170 [ 4029.865920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.865920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.865920][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.865920][ T72] netlink_unicast+0x449/0x710 [ 4029.865920][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.865920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.865920][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.865920][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.865920][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.865920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.865920][ T72] [ 4029.867689][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4029.868051][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4029.868051][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4029.868051][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4029.868051][ T72] fib6_nh_init+0xa22/0x1580 [ 4029.868051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.868051][ T72] ip6_route_add+0x1c/0x140 [ 4029.868051][ T72] inet6_rtm_newroute+0x104/0x110 [ 4029.868051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.868051][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.868051][ T72] netlink_unicast+0x449/0x710 [ 4029.868051][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.868051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.868051][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.868051][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.868051][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.868051][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.868051][ T72] [ 4029.870123][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4029.870123][ T72] dst_init+0x84/0x4a0 [ 4029.870123][ T72] dst_alloc+0x97/0x150 [ 4029.870123][ T72] ip6_dst_alloc+0x23/0x90 [ 4029.870123][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4029.870123][ T72] ip6_pol_route+0x56f/0x840 [ 4029.870123][ T72] fib6_rule_lookup+0x456/0x630 [ 4029.870123][ T72] ip6_route_input+0x59c/0xa50 [ 4029.870123][ T72] ipv6_rcv+0x397/0x810 [ 4029.870123][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4029.870123][ T72] process_backlog+0x101/0x620 [ 4029.870123][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4029.870123][ T72] net_rx_action+0x495/0xbe0 [ 4029.870123][ T72] __do_softirq+0x1b5/0x7f6 [ 4029.870123][ T72] [ 4029.871947][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4029.871947][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.871947][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.871947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.871947][ T72] ip6_route_add+0x1c/0x140 [ 4029.871947][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4029.871947][ T72] inet6_addr_add+0x4f8/0xa40 [ 4029.871947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.871947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.871947][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.871947][ T72] netlink_unicast+0x449/0x710 [ 4029.871947][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.871947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.871947][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.871947][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.871947][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.871947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.871947][ T72] [ 4029.874218][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4029.874218][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.874218][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.874218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.874218][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4029.874218][ T72] ipv6_add_addr+0x411/0x2000 [ 4029.874218][ T72] inet6_addr_add+0x30e/0xa40 [ 4029.874218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.874218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.874218][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.874218][ T72] netlink_unicast+0x449/0x710 [ 4029.874218][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.874218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.874218][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.874218][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.874218][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.874218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.874218][ T72] [ 4029.876486][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4029.876486][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.876486][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.876486][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.876486][ T72] ip6_route_add+0x1c/0x140 [ 4029.876486][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4029.876486][ T72] addrconf_add_dev+0xe2/0x170 [ 4029.876486][ T72] inet6_addr_add+0x12f/0xa40 [ 4029.876486][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.876486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.876486][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.876486][ T72] netlink_unicast+0x449/0x710 [ 4029.876486][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.876486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.876486][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.876486][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.876486][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.876486][ T72] [ 4029.878755][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4029.878755][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4029.878755][ T72] ipv6_find_idev+0x102/0x170 [ 4029.878755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.878755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.878755][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.878755][ T72] netlink_unicast+0x449/0x710 [ 4029.878755][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.878755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.878755][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.878755][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.878755][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.878755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.878755][ T72] [ 4029.880504][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4029.880504][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4029.880504][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4029.880504][ T72] ipv6_find_idev+0x102/0x170 [ 4029.880504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.880504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.880504][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.880504][ T72] netlink_unicast+0x449/0x710 [ 4029.880504][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.880504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.880504][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.880504][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.880504][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.880504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.880504][ T72] [ 4029.882384][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4029.882719][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4029.882719][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.882719][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.882719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.882719][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4029.882719][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4029.882719][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4029.882719][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4029.882719][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4029.882719][ T72] addrconf_dad_begin+0x310/0x670 [ 4029.882719][ T72] addrconf_dad_work+0x10b/0xab0 [ 4029.882719][ T72] process_one_work+0x84d/0x18a0 [ 4029.882719][ T72] worker_thread+0x587/0xd30 [ 4029.882719][ T72] kthread+0x28a/0x350 [ 4029.882719][ T72] ret_from_fork+0x31/0x70 [ 4029.882719][ T72] ret_from_fork_asm+0x1a/0x30 [ 4029.882719][ T72] [ 4029.884933][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4029.884933][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.884933][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.884933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.884933][ T72] ip6_route_add+0x1c/0x140 [ 4029.884933][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4029.884933][ T72] inet6_addr_add+0x4f8/0xa40 [ 4029.884933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.884933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.884933][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.884933][ T72] netlink_unicast+0x449/0x710 [ 4029.884933][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.884933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.884933][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.884933][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.884933][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.884933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.884933][ T72] [ 4029.887181][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4029.887181][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.887181][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.887181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.887181][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4029.887181][ T72] ipv6_add_addr+0x411/0x2000 [ 4029.887181][ T72] inet6_addr_add+0x30e/0xa40 [ 4029.887181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.887181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.887181][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.887181][ T72] netlink_unicast+0x449/0x710 [ 4029.887181][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.887181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.887181][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.887181][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.887181][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.887181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.887181][ T72] [ 4029.889496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4029.889496][ T72] netdev_get_by_index+0x5e/0x80 [ 4029.889496][ T72] fib6_nh_init+0x3d8/0x1580 [ 4029.889496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4029.889496][ T72] ip6_route_add+0x1c/0x140 [ 4029.889496][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4029.889496][ T72] addrconf_add_dev+0xe2/0x170 [ 4029.889496][ T72] inet6_addr_add+0x12f/0xa40 [ 4029.889496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.889496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.889496][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.889496][ T72] netlink_unicast+0x449/0x710 [ 4029.889496][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.889496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.889496][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.889496][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.889496][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.889496][ T72] [ 4029.891714][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4029.891714][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4029.891714][ T72] ipv6_find_idev+0x102/0x170 [ 4029.891714][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.891714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.891714][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.891714][ T72] netlink_unicast+0x449/0x710 [ 4029.891714][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.891714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.891714][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.891714][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.891714][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.891714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.891714][ T72] [ 4029.893439][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4029.893439][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4029.893439][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4029.893439][ T72] ipv6_find_idev+0x102/0x170 [ 4029.893439][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.893439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.893439][ T72] netlink_rcv_skb+0x130/0x360 [ 4029.893439][ T72] netlink_unicast+0x449/0x710 [ 4029.893439][ T72] netlink_sendmsg+0x723/0xbe0 [ 4029.893439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4029.893439][ T72] ___sys_sendmsg+0xee/0x170 [ 4029.893439][ T72] __sys_sendmsg+0xcd/0x170 [ 4029.893439][ T72] do_syscall_64+0xc6/0x1e0 [ 4029.893439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.893439][ T72] [ 4040.144948][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4040.145459][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4040.145459][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4040.145459][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4040.145459][ T72] fib6_nh_init+0xa22/0x1580 [ 4040.145459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.145459][ T72] ip6_route_add+0x1c/0x140 [ 4040.145459][ T72] inet6_rtm_newroute+0x104/0x110 [ 4040.145459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.145459][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.145459][ T72] netlink_unicast+0x449/0x710 [ 4040.145459][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.145459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.145459][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.145459][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.145459][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.145459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.145459][ T72] [ 4040.147461][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4040.147461][ T72] dst_init+0x84/0x4a0 [ 4040.147461][ T72] dst_alloc+0x97/0x150 [ 4040.147461][ T72] ip6_dst_alloc+0x23/0x90 [ 4040.147461][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4040.147461][ T72] ip6_pol_route+0x56f/0x840 [ 4040.147461][ T72] fib6_rule_lookup+0x456/0x630 [ 4040.147461][ T72] ip6_route_input+0x59c/0xa50 [ 4040.147461][ T72] ipv6_rcv+0x397/0x810 [ 4040.147461][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4040.147461][ T72] process_backlog+0x101/0x620 [ 4040.147461][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4040.147461][ T72] net_rx_action+0x495/0xbe0 [ 4040.147461][ T72] __do_softirq+0x1b5/0x7f6 [ 4040.147461][ T72] [ 4040.149215][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4040.149215][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.149215][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.149215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.149215][ T72] ip6_route_add+0x1c/0x140 [ 4040.149215][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4040.149215][ T72] inet6_addr_add+0x4f8/0xa40 [ 4040.149215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.149215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.149215][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.149215][ T72] netlink_unicast+0x449/0x710 [ 4040.149215][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.149215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.149215][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.149215][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.149215][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.149215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.149215][ T72] [ 4040.151313][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4040.151313][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.151313][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.151313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.151313][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4040.151313][ T72] ipv6_add_addr+0x411/0x2000 [ 4040.151313][ T72] inet6_addr_add+0x30e/0xa40 [ 4040.151313][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.151313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.151313][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.151313][ T72] netlink_unicast+0x449/0x710 [ 4040.151313][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.151313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.151313][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.151313][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.151313][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.151313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.151313][ T72] [ 4040.153420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4040.153420][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.153420][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.153420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.153420][ T72] ip6_route_add+0x1c/0x140 [ 4040.153420][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4040.153420][ T72] addrconf_add_dev+0xe2/0x170 [ 4040.153420][ T72] inet6_addr_add+0x12f/0xa40 [ 4040.153420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.153420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.153420][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.153420][ T72] netlink_unicast+0x449/0x710 [ 4040.153420][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.153420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.153420][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.153420][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.153420][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.153420][ T72] [ 4040.155481][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4040.155481][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4040.155481][ T72] ipv6_find_idev+0x102/0x170 [ 4040.155481][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.155481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.155481][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.155481][ T72] netlink_unicast+0x449/0x710 [ 4040.155481][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.155481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.155481][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.155481][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.155481][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.155481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.155481][ T72] [ 4040.157101][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4040.157101][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4040.157101][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4040.157101][ T72] ipv6_find_idev+0x102/0x170 [ 4040.157101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.157101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.157101][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.157101][ T72] netlink_unicast+0x449/0x710 [ 4040.157101][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.157101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.157101][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.157101][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.157101][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.157101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.157101][ T72] [ 4040.158879][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4040.159173][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4040.159173][ T72] dst_init+0x84/0x4a0 [ 4040.159173][ T72] dst_alloc+0x97/0x150 [ 4040.159173][ T72] ip6_dst_alloc+0x23/0x90 [ 4040.159173][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4040.159173][ T72] ip6_pol_route+0x56f/0x840 [ 4040.159173][ T72] fib6_rule_lookup+0x456/0x630 [ 4040.159173][ T72] ip6_route_input+0x59c/0xa50 [ 4040.159173][ T72] ipv6_rcv+0x397/0x810 [ 4040.159173][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4040.159173][ T72] process_backlog+0x101/0x620 [ 4040.159173][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4040.159173][ T72] net_rx_action+0x495/0xbe0 [ 4040.159173][ T72] __do_softirq+0x1b5/0x7f6 [ 4040.159173][ T72] [ 4040.160899][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4040.160899][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.160899][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.160899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.160899][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4040.160899][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4040.160899][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4040.160899][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4040.160899][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4040.160899][ T72] addrconf_dad_begin+0x310/0x670 [ 4040.160899][ T72] addrconf_dad_work+0x10b/0xab0 [ 4040.160899][ T72] process_one_work+0x84d/0x18a0 [ 4040.160899][ T72] worker_thread+0x587/0xd30 [ 4040.160899][ T72] kthread+0x28a/0x350 [ 4040.160899][ T72] ret_from_fork+0x31/0x70 [ 4040.160899][ T72] ret_from_fork_asm+0x1a/0x30 [ 4040.160899][ T72] [ 4040.162905][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4040.162905][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.162905][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.162905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.162905][ T72] ip6_route_add+0x1c/0x140 [ 4040.162905][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4040.162905][ T72] inet6_addr_add+0x4f8/0xa40 [ 4040.162905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.162905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.162905][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.162905][ T72] netlink_unicast+0x449/0x710 [ 4040.162905][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.162905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.162905][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.162905][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.162905][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.162905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.162905][ T72] [ 4040.165021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4040.165021][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.165021][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.165021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.165021][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4040.165021][ T72] ipv6_add_addr+0x411/0x2000 [ 4040.165021][ T72] inet6_addr_add+0x30e/0xa40 [ 4040.165021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.165021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.165021][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.165021][ T72] netlink_unicast+0x449/0x710 [ 4040.165021][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.165021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.165021][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.165021][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.165021][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.165021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.165021][ T72] [ 4040.167112][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4040.167112][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.167112][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.167112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.167112][ T72] ip6_route_add+0x1c/0x140 [ 4040.167112][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4040.167112][ T72] addrconf_add_dev+0xe2/0x170 [ 4040.167112][ T72] inet6_addr_add+0x12f/0xa40 [ 4040.167112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.167112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.167112][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.167112][ T72] netlink_unicast+0x449/0x710 [ 4040.167112][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.167112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.167112][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.167112][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.167112][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.167112][ T72] [ 4040.169176][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4040.169176][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4040.169176][ T72] ipv6_find_idev+0x102/0x170 [ 4040.169176][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.169176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.169176][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.169176][ T72] netlink_unicast+0x449/0x710 [ 4040.169176][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.169176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.169176][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.169176][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.169176][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.169176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.169176][ T72] [ 4040.170792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4040.170792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4040.170792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4040.170792][ T72] ipv6_find_idev+0x102/0x170 [ 4040.170792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.170792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.170792][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.170792][ T72] netlink_unicast+0x449/0x710 [ 4040.170792][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.170792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.170792][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.170792][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.170792][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.170792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.170792][ T72] [ 4040.172629][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4040.173007][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4040.173007][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4040.173007][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4040.173007][ T72] fib6_nh_init+0xa22/0x1580 [ 4040.173007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.173007][ T72] ip6_route_add+0x1c/0x140 [ 4040.173007][ T72] inet6_rtm_newroute+0x104/0x110 [ 4040.173007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.173007][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.173007][ T72] netlink_unicast+0x449/0x710 [ 4040.173007][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.173007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.173007][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.173007][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.173007][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.173007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.173007][ T72] [ 4040.175112][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4040.175112][ T72] dst_init+0x84/0x4a0 [ 4040.175112][ T72] dst_alloc+0x97/0x150 [ 4040.175112][ T72] ip6_dst_alloc+0x23/0x90 [ 4040.175112][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4040.175112][ T72] ip6_pol_route+0x56f/0x840 [ 4040.175112][ T72] fib6_rule_lookup+0x456/0x630 [ 4040.175112][ T72] ip6_route_input+0x59c/0xa50 [ 4040.175112][ T72] ipv6_rcv+0x397/0x810 [ 4040.175112][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4040.175112][ T72] process_backlog+0x101/0x620 [ 4040.175112][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4040.175112][ T72] net_rx_action+0x495/0xbe0 [ 4040.175112][ T72] __do_softirq+0x1b5/0x7f6 [ 4040.175112][ T72] [ 4040.177006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4040.177006][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.177006][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.177006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.177006][ T72] ip6_route_add+0x1c/0x140 [ 4040.177006][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4040.177006][ T72] inet6_addr_add+0x4f8/0xa40 [ 4040.177006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.177006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.177006][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.177006][ T72] netlink_unicast+0x449/0x710 [ 4040.177006][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.177006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.177006][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.177006][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.177006][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.177006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.177006][ T72] [ 4040.179357][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4040.179357][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.179357][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.179357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.179357][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4040.179357][ T72] ipv6_add_addr+0x411/0x2000 [ 4040.179357][ T72] inet6_addr_add+0x30e/0xa40 [ 4040.179357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.179357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.179357][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.179357][ T72] netlink_unicast+0x449/0x710 [ 4040.179357][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.179357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.179357][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.179357][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.179357][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.179357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.179357][ T72] [ 4040.181700][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4040.181700][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.181700][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.181700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.181700][ T72] ip6_route_add+0x1c/0x140 [ 4040.181700][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4040.181700][ T72] addrconf_add_dev+0xe2/0x170 [ 4040.181700][ T72] inet6_addr_add+0x12f/0xa40 [ 4040.181700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.181700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.181700][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.181700][ T72] netlink_unicast+0x449/0x710 [ 4040.181700][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.181700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.181700][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.181700][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.181700][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.181700][ T72] [ 4040.184067][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4040.184067][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4040.184067][ T72] ipv6_find_idev+0x102/0x170 [ 4040.184067][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.184067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.184067][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.184067][ T72] netlink_unicast+0x449/0x710 [ 4040.184067][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.184067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.184067][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.184067][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.184067][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.184067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.184067][ T72] [ 4040.185859][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4040.185859][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4040.185859][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4040.185859][ T72] ipv6_find_idev+0x102/0x170 [ 4040.185859][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.185859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.185859][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.185859][ T72] netlink_unicast+0x449/0x710 [ 4040.185859][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.185859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.185859][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.185859][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.185859][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.185859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.185859][ T72] [ 4040.187823][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4040.188163][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4040.188163][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.188163][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.188163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.188163][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4040.188163][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4040.188163][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4040.188163][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4040.188163][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4040.188163][ T72] addrconf_dad_begin+0x310/0x670 [ 4040.188163][ T72] addrconf_dad_work+0x10b/0xab0 [ 4040.188163][ T72] process_one_work+0x84d/0x18a0 [ 4040.188163][ T72] worker_thread+0x587/0xd30 [ 4040.188163][ T72] kthread+0x28a/0x350 [ 4040.188163][ T72] ret_from_fork+0x31/0x70 [ 4040.188163][ T72] ret_from_fork_asm+0x1a/0x30 [ 4040.188163][ T72] [ 4040.190347][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4040.190347][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.190347][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.190347][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.190347][ T72] ip6_route_add+0x1c/0x140 [ 4040.190347][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4040.190347][ T72] inet6_addr_add+0x4f8/0xa40 [ 4040.190347][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.190347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.190347][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.190347][ T72] netlink_unicast+0x449/0x710 [ 4040.190347][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.190347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.190347][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.190347][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.190347][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.190347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.190347][ T72] [ 4040.192679][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4040.192679][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.192679][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.192679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.192679][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4040.192679][ T72] ipv6_add_addr+0x411/0x2000 [ 4040.192679][ T72] inet6_addr_add+0x30e/0xa40 [ 4040.192679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.192679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.192679][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.192679][ T72] netlink_unicast+0x449/0x710 [ 4040.192679][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.192679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.192679][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.192679][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.192679][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.192679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.192679][ T72] [ 4040.195070][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4040.195070][ T72] netdev_get_by_index+0x5e/0x80 [ 4040.195070][ T72] fib6_nh_init+0x3d8/0x1580 [ 4040.195070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4040.195070][ T72] ip6_route_add+0x1c/0x140 [ 4040.195070][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4040.195070][ T72] addrconf_add_dev+0xe2/0x170 [ 4040.195070][ T72] inet6_addr_add+0x12f/0xa40 [ 4040.195070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.195070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.195070][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.195070][ T72] netlink_unicast+0x449/0x710 [ 4040.195070][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.195070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.195070][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.195070][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.195070][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.195070][ T72] [ 4040.197368][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4040.197368][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4040.197368][ T72] ipv6_find_idev+0x102/0x170 [ 4040.197368][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.197368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.197368][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.197368][ T72] netlink_unicast+0x449/0x710 [ 4040.197368][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.197368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.197368][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.197368][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.197368][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.197368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.197368][ T72] [ 4040.199164][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4040.199164][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4040.199164][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4040.199164][ T72] ipv6_find_idev+0x102/0x170 [ 4040.199164][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.199164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.199164][ T72] netlink_rcv_skb+0x130/0x360 [ 4040.199164][ T72] netlink_unicast+0x449/0x710 [ 4040.199164][ T72] netlink_sendmsg+0x723/0xbe0 [ 4040.199164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4040.199164][ T72] ___sys_sendmsg+0xee/0x170 [ 4040.199164][ T72] __sys_sendmsg+0xcd/0x170 [ 4040.199164][ T72] do_syscall_64+0xc6/0x1e0 [ 4040.199164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.199164][ T72] [ 4050.216934][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4050.217471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4050.217471][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4050.217471][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4050.217471][ T72] fib6_nh_init+0xa22/0x1580 [ 4050.217471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.217471][ T72] ip6_route_add+0x1c/0x140 [ 4050.217471][ T72] inet6_rtm_newroute+0x104/0x110 [ 4050.217471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.217471][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.217471][ T72] netlink_unicast+0x449/0x710 [ 4050.217471][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.217471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.217471][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.217471][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.217471][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.217471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.217471][ T72] [ 4050.219641][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4050.219641][ T72] dst_init+0x84/0x4a0 [ 4050.219641][ T72] dst_alloc+0x97/0x150 [ 4050.219641][ T72] ip6_dst_alloc+0x23/0x90 [ 4050.219641][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4050.219641][ T72] ip6_pol_route+0x56f/0x840 [ 4050.219641][ T72] fib6_rule_lookup+0x456/0x630 [ 4050.219641][ T72] ip6_route_input+0x59c/0xa50 [ 4050.219641][ T72] ipv6_rcv+0x397/0x810 [ 4050.219641][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4050.219641][ T72] process_backlog+0x101/0x620 [ 4050.219641][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4050.219641][ T72] net_rx_action+0x495/0xbe0 [ 4050.219641][ T72] __do_softirq+0x1b5/0x7f6 [ 4050.219641][ T72] [ 4050.221516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4050.221516][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.221516][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.221516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.221516][ T72] ip6_route_add+0x1c/0x140 [ 4050.221516][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4050.221516][ T72] inet6_addr_add+0x4f8/0xa40 [ 4050.221516][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.221516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.221516][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.221516][ T72] netlink_unicast+0x449/0x710 [ 4050.221516][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.221516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.221516][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.221516][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.221516][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.221516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.221516][ T72] [ 4050.223818][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4050.223818][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.223818][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.223818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.223818][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4050.223818][ T72] ipv6_add_addr+0x411/0x2000 [ 4050.223818][ T72] inet6_addr_add+0x30e/0xa40 [ 4050.223818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.223818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.223818][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.223818][ T72] netlink_unicast+0x449/0x710 [ 4050.223818][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.223818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.223818][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.223818][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.223818][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.223818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.223818][ T72] [ 4050.226097][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4050.226097][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.226097][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.226097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.226097][ T72] ip6_route_add+0x1c/0x140 [ 4050.226097][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4050.226097][ T72] addrconf_add_dev+0xe2/0x170 [ 4050.226097][ T72] inet6_addr_add+0x12f/0xa40 [ 4050.226097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.226097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.226097][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.226097][ T72] netlink_unicast+0x449/0x710 [ 4050.226097][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.226097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.226097][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.226097][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.226097][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.226097][ T72] [ 4050.228370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4050.228370][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4050.228370][ T72] ipv6_find_idev+0x102/0x170 [ 4050.228370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.228370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.228370][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.228370][ T72] netlink_unicast+0x449/0x710 [ 4050.228370][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.228370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.228370][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.228370][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.228370][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.228370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.228370][ T72] [ 4050.230122][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4050.230122][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4050.230122][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4050.230122][ T72] ipv6_find_idev+0x102/0x170 [ 4050.230122][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.230122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.230122][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.230122][ T72] netlink_unicast+0x449/0x710 [ 4050.230122][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.230122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.230122][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.230122][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.230122][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.230122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.230122][ T72] [ 4050.232051][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4050.232356][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4050.232356][ T72] dst_init+0x84/0x4a0 [ 4050.232356][ T72] dst_alloc+0x97/0x150 [ 4050.232356][ T72] ip6_dst_alloc+0x23/0x90 [ 4050.232356][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4050.232356][ T72] ip6_pol_route+0x56f/0x840 [ 4050.232356][ T72] fib6_rule_lookup+0x456/0x630 [ 4050.232356][ T72] ip6_route_input+0x59c/0xa50 [ 4050.232356][ T72] ipv6_rcv+0x397/0x810 [ 4050.232356][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4050.232356][ T72] process_backlog+0x101/0x620 [ 4050.232356][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4050.232356][ T72] net_rx_action+0x495/0xbe0 [ 4050.232356][ T72] __do_softirq+0x1b5/0x7f6 [ 4050.232356][ T72] [ 4050.234229][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4050.234229][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.234229][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.234229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.234229][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4050.234229][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4050.234229][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4050.234229][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4050.234229][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4050.234229][ T72] addrconf_dad_begin+0x310/0x670 [ 4050.234229][ T72] addrconf_dad_work+0x10b/0xab0 [ 4050.234229][ T72] process_one_work+0x84d/0x18a0 [ 4050.234229][ T72] worker_thread+0x587/0xd30 [ 4050.234229][ T72] kthread+0x28a/0x350 [ 4050.234229][ T72] ret_from_fork+0x31/0x70 [ 4050.234229][ T72] ret_from_fork_asm+0x1a/0x30 [ 4050.234229][ T72] [ 4050.236393][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4050.236393][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.236393][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.236393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.236393][ T72] ip6_route_add+0x1c/0x140 [ 4050.236393][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4050.236393][ T72] inet6_addr_add+0x4f8/0xa40 [ 4050.236393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.236393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.236393][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.236393][ T72] netlink_unicast+0x449/0x710 [ 4050.236393][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.236393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.236393][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.236393][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.236393][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.236393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.236393][ T72] [ 4050.238666][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4050.238666][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.238666][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.238666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.238666][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4050.238666][ T72] ipv6_add_addr+0x411/0x2000 [ 4050.238666][ T72] inet6_addr_add+0x30e/0xa40 [ 4050.238666][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.238666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.238666][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.238666][ T72] netlink_unicast+0x449/0x710 [ 4050.238666][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.238666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.238666][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.238666][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.238666][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.238666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.238666][ T72] [ 4050.240943][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4050.240943][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.240943][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.240943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.240943][ T72] ip6_route_add+0x1c/0x140 [ 4050.240943][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4050.240943][ T72] addrconf_add_dev+0xe2/0x170 [ 4050.240943][ T72] inet6_addr_add+0x12f/0xa40 [ 4050.240943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.240943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.240943][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.240943][ T72] netlink_unicast+0x449/0x710 [ 4050.240943][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.240943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.240943][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.240943][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.240943][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.240943][ T72] [ 4050.243213][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4050.243213][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4050.243213][ T72] ipv6_find_idev+0x102/0x170 [ 4050.243213][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.243213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.243213][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.243213][ T72] netlink_unicast+0x449/0x710 [ 4050.243213][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.243213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.243213][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.243213][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.243213][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.243213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.243213][ T72] [ 4050.244957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4050.244957][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4050.244957][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4050.244957][ T72] ipv6_find_idev+0x102/0x170 [ 4050.244957][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.244957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.244957][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.244957][ T72] netlink_unicast+0x449/0x710 [ 4050.244957][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.244957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.244957][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.244957][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.244957][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.244957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.244957][ T72] [ 4050.246988][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4050.247302][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4050.247302][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4050.247302][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4050.247302][ T72] fib6_nh_init+0xa22/0x1580 [ 4050.247302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.247302][ T72] ip6_route_add+0x1c/0x140 [ 4050.247302][ T72] inet6_rtm_newroute+0x104/0x110 [ 4050.247302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.247302][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.247302][ T72] netlink_unicast+0x449/0x710 [ 4050.247302][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.247302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.247302][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.247302][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.247302][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.247302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.247302][ T72] [ 4050.249717][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4050.249717][ T72] dst_init+0x84/0x4a0 [ 4050.249717][ T72] dst_alloc+0x97/0x150 [ 4050.249717][ T72] ip6_dst_alloc+0x23/0x90 [ 4050.249717][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4050.249717][ T72] ip6_pol_route+0x56f/0x840 [ 4050.249717][ T72] fib6_rule_lookup+0x456/0x630 [ 4050.249717][ T72] ip6_route_input+0x59c/0xa50 [ 4050.249717][ T72] ipv6_rcv+0x397/0x810 [ 4050.249717][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4050.249717][ T72] process_backlog+0x101/0x620 [ 4050.249717][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4050.249717][ T72] net_rx_action+0x495/0xbe0 [ 4050.249717][ T72] __do_softirq+0x1b5/0x7f6 [ 4050.249717][ T72] [ 4050.251762][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4050.251762][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.251762][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.251762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.251762][ T72] ip6_route_add+0x1c/0x140 [ 4050.251762][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4050.251762][ T72] inet6_addr_add+0x4f8/0xa40 [ 4050.251762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.251762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.251762][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.251762][ T72] netlink_unicast+0x449/0x710 [ 4050.251762][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.251762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.251762][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.251762][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.251762][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.251762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.251762][ T72] [ 4050.254270][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4050.254270][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.254270][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.254270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.254270][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4050.254270][ T72] ipv6_add_addr+0x411/0x2000 [ 4050.254270][ T72] inet6_addr_add+0x30e/0xa40 [ 4050.254270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.254270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.254270][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.254270][ T72] netlink_unicast+0x449/0x710 [ 4050.254270][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.254270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.254270][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.254270][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.254270][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.254270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.254270][ T72] [ 4050.256717][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4050.256717][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.256717][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.256717][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.256717][ T72] ip6_route_add+0x1c/0x140 [ 4050.256717][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4050.256717][ T72] addrconf_add_dev+0xe2/0x170 [ 4050.256717][ T72] inet6_addr_add+0x12f/0xa40 [ 4050.256717][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.256717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.256717][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.256717][ T72] netlink_unicast+0x449/0x710 [ 4050.256717][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.256717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.256717][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.256717][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.256717][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.256717][ T72] [ 4050.259250][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4050.259250][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4050.259250][ T72] ipv6_find_idev+0x102/0x170 [ 4050.259250][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.259250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.259250][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.259250][ T72] netlink_unicast+0x449/0x710 [ 4050.259250][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.259250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.259250][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.259250][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.259250][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.259250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.259250][ T72] [ 4050.261176][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4050.261176][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4050.261176][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4050.261176][ T72] ipv6_find_idev+0x102/0x170 [ 4050.261176][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.261176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.261176][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.261176][ T72] netlink_unicast+0x449/0x710 [ 4050.261176][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.261176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.261176][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.261176][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.261176][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.261176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.261176][ T72] [ 4050.263253][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4050.263618][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4050.263618][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.263618][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.263618][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.263618][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4050.263618][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4050.263618][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4050.263618][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4050.263618][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4050.263618][ T72] addrconf_dad_begin+0x310/0x670 [ 4050.263618][ T72] addrconf_dad_work+0x10b/0xab0 [ 4050.263618][ T72] process_one_work+0x84d/0x18a0 [ 4050.263618][ T72] worker_thread+0x587/0xd30 [ 4050.263618][ T72] kthread+0x28a/0x350 [ 4050.263618][ T72] ret_from_fork+0x31/0x70 [ 4050.263618][ T72] ret_from_fork_asm+0x1a/0x30 [ 4050.263618][ T72] [ 4050.265911][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4050.265911][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.265911][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.265911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.265911][ T72] ip6_route_add+0x1c/0x140 [ 4050.265911][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4050.265911][ T72] inet6_addr_add+0x4f8/0xa40 [ 4050.265911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.265911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.265911][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.265911][ T72] netlink_unicast+0x449/0x710 [ 4050.265911][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.265911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.265911][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.265911][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.265911][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.265911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.265911][ T72] [ 4050.268399][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4050.268399][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.268399][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.268399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.268399][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4050.268399][ T72] ipv6_add_addr+0x411/0x2000 [ 4050.268399][ T72] inet6_addr_add+0x30e/0xa40 [ 4050.268399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.268399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.268399][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.268399][ T72] netlink_unicast+0x449/0x710 [ 4050.268399][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.268399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.268399][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.268399][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.268399][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.268399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.268399][ T72] [ 4050.270975][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4050.270975][ T72] netdev_get_by_index+0x5e/0x80 [ 4050.270975][ T72] fib6_nh_init+0x3d8/0x1580 [ 4050.270975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4050.270975][ T72] ip6_route_add+0x1c/0x140 [ 4050.270975][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4050.270975][ T72] addrconf_add_dev+0xe2/0x170 [ 4050.270975][ T72] inet6_addr_add+0x12f/0xa40 [ 4050.270975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.270975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.270975][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.270975][ T72] netlink_unicast+0x449/0x710 [ 4050.270975][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.270975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.270975][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.270975][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.270975][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.270975][ T72] [ 4050.273450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4050.273450][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4050.273450][ T72] ipv6_find_idev+0x102/0x170 [ 4050.273450][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.273450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.273450][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.273450][ T72] netlink_unicast+0x449/0x710 [ 4050.273450][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.273450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.273450][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.273450][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.273450][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.273450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.273450][ T72] [ 4050.275364][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4050.275364][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4050.275364][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4050.275364][ T72] ipv6_find_idev+0x102/0x170 [ 4050.275364][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.275364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.275364][ T72] netlink_rcv_skb+0x130/0x360 [ 4050.275364][ T72] netlink_unicast+0x449/0x710 [ 4050.275364][ T72] netlink_sendmsg+0x723/0xbe0 [ 4050.275364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4050.275364][ T72] ___sys_sendmsg+0xee/0x170 [ 4050.275364][ T72] __sys_sendmsg+0xcd/0x170 [ 4050.275364][ T72] do_syscall_64+0xc6/0x1e0 [ 4050.275364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.275364][ T72] [ 4060.520908][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4060.521428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4060.521428][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4060.521428][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4060.521428][ T72] fib6_nh_init+0xa22/0x1580 [ 4060.521428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.521428][ T72] ip6_route_add+0x1c/0x140 [ 4060.521428][ T72] inet6_rtm_newroute+0x104/0x110 [ 4060.521428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.521428][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.521428][ T72] netlink_unicast+0x449/0x710 [ 4060.521428][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.521428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.521428][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.521428][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.521428][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.521428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.521428][ T72] [ 4060.523618][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4060.523618][ T72] dst_init+0x84/0x4a0 [ 4060.523618][ T72] dst_alloc+0x97/0x150 [ 4060.523618][ T72] ip6_dst_alloc+0x23/0x90 [ 4060.523618][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4060.523618][ T72] ip6_pol_route+0x56f/0x840 [ 4060.523618][ T72] fib6_rule_lookup+0x456/0x630 [ 4060.523618][ T72] ip6_route_input+0x59c/0xa50 [ 4060.523618][ T72] ipv6_rcv+0x397/0x810 [ 4060.523618][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4060.523618][ T72] process_backlog+0x101/0x620 [ 4060.523618][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4060.523618][ T72] net_rx_action+0x495/0xbe0 [ 4060.523618][ T72] __do_softirq+0x1b5/0x7f6 [ 4060.523618][ T72] [ 4060.525505][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4060.525505][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.525505][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.525505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.525505][ T72] ip6_route_add+0x1c/0x140 [ 4060.525505][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4060.525505][ T72] inet6_addr_add+0x4f8/0xa40 [ 4060.525505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.525505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.525505][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.525505][ T72] netlink_unicast+0x449/0x710 [ 4060.525505][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.525505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.525505][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.525505][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.525505][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.525505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.525505][ T72] [ 4060.527785][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4060.527785][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.527785][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.527785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.527785][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4060.527785][ T72] ipv6_add_addr+0x411/0x2000 [ 4060.527785][ T72] inet6_addr_add+0x30e/0xa40 [ 4060.527785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.527785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.527785][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.527785][ T72] netlink_unicast+0x449/0x710 [ 4060.527785][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.527785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.527785][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.527785][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.527785][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.527785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.527785][ T72] [ 4060.530067][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4060.530067][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.530067][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.530067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.530067][ T72] ip6_route_add+0x1c/0x140 [ 4060.530067][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4060.530067][ T72] addrconf_add_dev+0xe2/0x170 [ 4060.530067][ T72] inet6_addr_add+0x12f/0xa40 [ 4060.530067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.530067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.530067][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.530067][ T72] netlink_unicast+0x449/0x710 [ 4060.530067][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.530067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.530067][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.530067][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.530067][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.530067][ T72] [ 4060.532338][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4060.532338][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4060.532338][ T72] ipv6_find_idev+0x102/0x170 [ 4060.532338][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.532338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.532338][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.532338][ T72] netlink_unicast+0x449/0x710 [ 4060.532338][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.532338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.532338][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.532338][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.532338][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.532338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.532338][ T72] [ 4060.534115][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4060.534115][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4060.534115][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4060.534115][ T72] ipv6_find_idev+0x102/0x170 [ 4060.534115][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.534115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.534115][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.534115][ T72] netlink_unicast+0x449/0x710 [ 4060.534115][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.534115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.534115][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.534115][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.534115][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.534115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.534115][ T72] [ 4060.536033][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4060.536329][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4060.536329][ T72] dst_init+0x84/0x4a0 [ 4060.536329][ T72] dst_alloc+0x97/0x150 [ 4060.536329][ T72] ip6_dst_alloc+0x23/0x90 [ 4060.536329][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4060.536329][ T72] ip6_pol_route+0x56f/0x840 [ 4060.536329][ T72] fib6_rule_lookup+0x456/0x630 [ 4060.536329][ T72] ip6_route_input+0x59c/0xa50 [ 4060.536329][ T72] ipv6_rcv+0x397/0x810 [ 4060.536329][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4060.536329][ T72] process_backlog+0x101/0x620 [ 4060.536329][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4060.536329][ T72] net_rx_action+0x495/0xbe0 [ 4060.536329][ T72] __do_softirq+0x1b5/0x7f6 [ 4060.536329][ T72] [ 4060.538199][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4060.538199][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.538199][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.538199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.538199][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4060.538199][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4060.538199][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4060.538199][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4060.538199][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4060.538199][ T72] addrconf_dad_begin+0x310/0x670 [ 4060.538199][ T72] addrconf_dad_work+0x10b/0xab0 [ 4060.538199][ T72] process_one_work+0x84d/0x18a0 [ 4060.538199][ T72] worker_thread+0x587/0xd30 [ 4060.538199][ T72] kthread+0x28a/0x350 [ 4060.538199][ T72] ret_from_fork+0x31/0x70 [ 4060.538199][ T72] ret_from_fork_asm+0x1a/0x30 [ 4060.538199][ T72] [ 4060.540381][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4060.540381][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.540381][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.540381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.540381][ T72] ip6_route_add+0x1c/0x140 [ 4060.540381][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4060.540381][ T72] inet6_addr_add+0x4f8/0xa40 [ 4060.540381][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.540381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.540381][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.540381][ T72] netlink_unicast+0x449/0x710 [ 4060.540381][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.540381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.540381][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.540381][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.540381][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.540381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.540381][ T72] [ 4060.542653][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4060.542653][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.542653][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.542653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.542653][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4060.542653][ T72] ipv6_add_addr+0x411/0x2000 [ 4060.542653][ T72] inet6_addr_add+0x30e/0xa40 [ 4060.542653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.542653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.542653][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.542653][ T72] netlink_unicast+0x449/0x710 [ 4060.542653][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.542653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.542653][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.542653][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.542653][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.542653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.542653][ T72] [ 4060.544911][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4060.544911][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.544911][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.544911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.544911][ T72] ip6_route_add+0x1c/0x140 [ 4060.544911][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4060.544911][ T72] addrconf_add_dev+0xe2/0x170 [ 4060.544911][ T72] inet6_addr_add+0x12f/0xa40 [ 4060.544911][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.544911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.544911][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.544911][ T72] netlink_unicast+0x449/0x710 [ 4060.544911][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.544911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.544911][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.544911][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.544911][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.544911][ T72] [ 4060.547150][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4060.547150][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4060.547150][ T72] ipv6_find_idev+0x102/0x170 [ 4060.547150][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.547150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.547150][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.547150][ T72] netlink_unicast+0x449/0x710 [ 4060.547150][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.547150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.547150][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.547150][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.547150][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.547150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.547150][ T72] [ 4060.548898][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4060.548898][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4060.548898][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4060.548898][ T72] ipv6_find_idev+0x102/0x170 [ 4060.548898][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.548898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.548898][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.548898][ T72] netlink_unicast+0x449/0x710 [ 4060.548898][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.548898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.548898][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.548898][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.548898][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.548898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.548898][ T72] [ 4060.550945][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4060.551248][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4060.551248][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4060.551248][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4060.551248][ T72] fib6_nh_init+0xa22/0x1580 [ 4060.551248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.551248][ T72] ip6_route_add+0x1c/0x140 [ 4060.551248][ T72] inet6_rtm_newroute+0x104/0x110 [ 4060.551248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.551248][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.551248][ T72] netlink_unicast+0x449/0x710 [ 4060.551248][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.551248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.551248][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.551248][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.551248][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.551248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.551248][ T72] [ 4060.553691][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4060.553691][ T72] dst_init+0x84/0x4a0 [ 4060.553691][ T72] dst_alloc+0x97/0x150 [ 4060.553691][ T72] ip6_dst_alloc+0x23/0x90 [ 4060.553691][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4060.553691][ T72] ip6_pol_route+0x56f/0x840 [ 4060.553691][ T72] fib6_rule_lookup+0x456/0x630 [ 4060.553691][ T72] ip6_route_input+0x59c/0xa50 [ 4060.553691][ T72] ipv6_rcv+0x397/0x810 [ 4060.553691][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4060.553691][ T72] process_backlog+0x101/0x620 [ 4060.553691][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4060.553691][ T72] net_rx_action+0x495/0xbe0 [ 4060.553691][ T72] __do_softirq+0x1b5/0x7f6 [ 4060.553691][ T72] [ 4060.555734][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4060.555734][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.555734][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.555734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.555734][ T72] ip6_route_add+0x1c/0x140 [ 4060.555734][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4060.555734][ T72] inet6_addr_add+0x4f8/0xa40 [ 4060.555734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.555734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.555734][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.555734][ T72] netlink_unicast+0x449/0x710 [ 4060.555734][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.555734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.555734][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.555734][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.555734][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.555734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.555734][ T72] [ 4060.558254][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4060.558254][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.558254][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.558254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.558254][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4060.558254][ T72] ipv6_add_addr+0x411/0x2000 [ 4060.558254][ T72] inet6_addr_add+0x30e/0xa40 [ 4060.558254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.558254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.558254][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.558254][ T72] netlink_unicast+0x449/0x710 [ 4060.558254][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.558254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.558254][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.558254][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.558254][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.558254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.558254][ T72] [ 4060.560714][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4060.560714][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.560714][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.560714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.560714][ T72] ip6_route_add+0x1c/0x140 [ 4060.560714][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4060.560714][ T72] addrconf_add_dev+0xe2/0x170 [ 4060.560714][ T72] inet6_addr_add+0x12f/0xa40 [ 4060.560714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.560714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.560714][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.560714][ T72] netlink_unicast+0x449/0x710 [ 4060.560714][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.560714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.560714][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.560714][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.560714][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.560714][ T72] [ 4060.563260][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4060.563260][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4060.563260][ T72] ipv6_find_idev+0x102/0x170 [ 4060.563260][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.563260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.563260][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.563260][ T72] netlink_unicast+0x449/0x710 [ 4060.563260][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.563260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.563260][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.563260][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.563260][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.563260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.563260][ T72] [ 4060.565196][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4060.565196][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4060.565196][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4060.565196][ T72] ipv6_find_idev+0x102/0x170 [ 4060.565196][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.565196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.565196][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.565196][ T72] netlink_unicast+0x449/0x710 [ 4060.565196][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.565196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.565196][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.565196][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.565196][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.565196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.565196][ T72] [ 4060.567299][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4060.568633][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4060.568633][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.568633][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.568633][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.568633][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4060.568633][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4060.568633][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4060.568633][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4060.568633][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4060.568633][ T72] addrconf_dad_begin+0x310/0x670 [ 4060.568633][ T72] addrconf_dad_work+0x10b/0xab0 [ 4060.568633][ T72] process_one_work+0x84d/0x18a0 [ 4060.568633][ T72] worker_thread+0x587/0xd30 [ 4060.568633][ T72] kthread+0x28a/0x350 [ 4060.568633][ T72] ret_from_fork+0x31/0x70 [ 4060.568633][ T72] ret_from_fork_asm+0x1a/0x30 [ 4060.568633][ T72] [ 4060.570819][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4060.570819][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.570819][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.570819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.570819][ T72] ip6_route_add+0x1c/0x140 [ 4060.570819][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4060.570819][ T72] inet6_addr_add+0x4f8/0xa40 [ 4060.570819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.570819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.570819][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.570819][ T72] netlink_unicast+0x449/0x710 [ 4060.570819][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.570819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.570819][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.570819][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.570819][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.570819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.570819][ T72] [ 4060.573128][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4060.573128][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.573128][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.573128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.573128][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4060.573128][ T72] ipv6_add_addr+0x411/0x2000 [ 4060.573128][ T72] inet6_addr_add+0x30e/0xa40 [ 4060.573128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.573128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.573128][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.573128][ T72] netlink_unicast+0x449/0x710 [ 4060.573128][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.573128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.573128][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.573128][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.573128][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.573128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.573128][ T72] [ 4060.575647][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4060.575647][ T72] netdev_get_by_index+0x5e/0x80 [ 4060.575647][ T72] fib6_nh_init+0x3d8/0x1580 [ 4060.575647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4060.575647][ T72] ip6_route_add+0x1c/0x140 [ 4060.575647][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4060.575647][ T72] addrconf_add_dev+0xe2/0x170 [ 4060.575647][ T72] inet6_addr_add+0x12f/0xa40 [ 4060.575647][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.575647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.575647][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.575647][ T72] netlink_unicast+0x449/0x710 [ 4060.575647][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.575647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.575647][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.575647][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.575647][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.575647][ T72] [ 4060.578194][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4060.578194][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4060.578194][ T72] ipv6_find_idev+0x102/0x170 [ 4060.578194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.578194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.578194][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.578194][ T72] netlink_unicast+0x449/0x710 [ 4060.578194][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.578194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.578194][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.578194][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.578194][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.578194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.578194][ T72] [ 4060.580127][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4060.580127][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4060.580127][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4060.580127][ T72] ipv6_find_idev+0x102/0x170 [ 4060.580127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.580127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.580127][ T72] netlink_rcv_skb+0x130/0x360 [ 4060.580127][ T72] netlink_unicast+0x449/0x710 [ 4060.580127][ T72] netlink_sendmsg+0x723/0xbe0 [ 4060.580127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4060.580127][ T72] ___sys_sendmsg+0xee/0x170 [ 4060.580127][ T72] __sys_sendmsg+0xcd/0x170 [ 4060.580127][ T72] do_syscall_64+0xc6/0x1e0 [ 4060.580127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.580127][ T72] [ 4070.632914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4070.633397][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4070.633397][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4070.633397][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4070.633397][ T72] fib6_nh_init+0xa22/0x1580 [ 4070.633397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.633397][ T72] ip6_route_add+0x1c/0x140 [ 4070.633397][ T72] inet6_rtm_newroute+0x104/0x110 [ 4070.633397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.633397][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.633397][ T72] netlink_unicast+0x449/0x710 [ 4070.633397][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.633397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.633397][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.633397][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.633397][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.633397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.633397][ T72] [ 4070.635577][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4070.635577][ T72] dst_init+0x84/0x4a0 [ 4070.635577][ T72] dst_alloc+0x97/0x150 [ 4070.635577][ T72] ip6_dst_alloc+0x23/0x90 [ 4070.635577][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4070.635577][ T72] ip6_pol_route+0x56f/0x840 [ 4070.635577][ T72] fib6_rule_lookup+0x456/0x630 [ 4070.635577][ T72] ip6_route_input+0x59c/0xa50 [ 4070.635577][ T72] ipv6_rcv+0x397/0x810 [ 4070.635577][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4070.635577][ T72] process_backlog+0x101/0x620 [ 4070.635577][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4070.635577][ T72] net_rx_action+0x495/0xbe0 [ 4070.635577][ T72] __do_softirq+0x1b5/0x7f6 [ 4070.635577][ T72] [ 4070.637468][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4070.637468][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.637468][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.637468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.637468][ T72] ip6_route_add+0x1c/0x140 [ 4070.637468][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4070.637468][ T72] inet6_addr_add+0x4f8/0xa40 [ 4070.637468][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.637468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.637468][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.637468][ T72] netlink_unicast+0x449/0x710 [ 4070.637468][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.637468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.637468][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.637468][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.637468][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.637468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.637468][ T72] [ 4070.639757][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4070.639757][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.639757][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.639757][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.639757][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4070.639757][ T72] ipv6_add_addr+0x411/0x2000 [ 4070.639757][ T72] inet6_addr_add+0x30e/0xa40 [ 4070.639757][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.639757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.639757][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.639757][ T72] netlink_unicast+0x449/0x710 [ 4070.639757][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.639757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.639757][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.639757][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.639757][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.639757][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.639757][ T72] [ 4070.642042][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4070.642042][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.642042][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.642042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.642042][ T72] ip6_route_add+0x1c/0x140 [ 4070.642042][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4070.642042][ T72] addrconf_add_dev+0xe2/0x170 [ 4070.642042][ T72] inet6_addr_add+0x12f/0xa40 [ 4070.642042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.642042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.642042][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.642042][ T72] netlink_unicast+0x449/0x710 [ 4070.642042][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.642042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.642042][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.642042][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.642042][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.642042][ T72] [ 4070.644304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4070.644304][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4070.644304][ T72] ipv6_find_idev+0x102/0x170 [ 4070.644304][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.644304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.644304][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.644304][ T72] netlink_unicast+0x449/0x710 [ 4070.644304][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.644304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.644304][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.644304][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.644304][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.644304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.644304][ T72] [ 4070.646069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4070.646069][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4070.646069][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4070.646069][ T72] ipv6_find_idev+0x102/0x170 [ 4070.646069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.646069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.646069][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.646069][ T72] netlink_unicast+0x449/0x710 [ 4070.646069][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.646069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.646069][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.646069][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.646069][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.646069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.646069][ T72] [ 4070.647992][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4070.648293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4070.648293][ T72] dst_init+0x84/0x4a0 [ 4070.648293][ T72] dst_alloc+0x97/0x150 [ 4070.648293][ T72] ip6_dst_alloc+0x23/0x90 [ 4070.648293][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4070.648293][ T72] ip6_pol_route+0x56f/0x840 [ 4070.648293][ T72] fib6_rule_lookup+0x456/0x630 [ 4070.648293][ T72] ip6_route_input+0x59c/0xa50 [ 4070.648293][ T72] ipv6_rcv+0x397/0x810 [ 4070.648293][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4070.648293][ T72] process_backlog+0x101/0x620 [ 4070.648293][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4070.648293][ T72] net_rx_action+0x495/0xbe0 [ 4070.648293][ T72] __do_softirq+0x1b5/0x7f6 [ 4070.648293][ T72] [ 4070.650153][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4070.650153][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.650153][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.650153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.650153][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4070.650153][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4070.650153][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4070.650153][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4070.650153][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4070.650153][ T72] addrconf_dad_begin+0x310/0x670 [ 4070.650153][ T72] addrconf_dad_work+0x10b/0xab0 [ 4070.650153][ T72] process_one_work+0x84d/0x18a0 [ 4070.650153][ T72] worker_thread+0x587/0xd30 [ 4070.650153][ T72] kthread+0x28a/0x350 [ 4070.650153][ T72] ret_from_fork+0x31/0x70 [ 4070.650153][ T72] ret_from_fork_asm+0x1a/0x30 [ 4070.650153][ T72] [ 4070.652296][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4070.652296][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.652296][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.652296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.652296][ T72] ip6_route_add+0x1c/0x140 [ 4070.652296][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4070.652296][ T72] inet6_addr_add+0x4f8/0xa40 [ 4070.652296][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.652296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.652296][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.652296][ T72] netlink_unicast+0x449/0x710 [ 4070.652296][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.652296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.652296][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.652296][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.652296][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.652296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.652296][ T72] [ 4070.654574][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4070.654574][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.654574][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.654574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.654574][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4070.654574][ T72] ipv6_add_addr+0x411/0x2000 [ 4070.654574][ T72] inet6_addr_add+0x30e/0xa40 [ 4070.654574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.654574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.654574][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.654574][ T72] netlink_unicast+0x449/0x710 [ 4070.654574][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.654574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.654574][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.654574][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.654574][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.654574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.654574][ T72] [ 4070.656846][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4070.656846][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.656846][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.656846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.656846][ T72] ip6_route_add+0x1c/0x140 [ 4070.656846][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4070.656846][ T72] addrconf_add_dev+0xe2/0x170 [ 4070.656846][ T72] inet6_addr_add+0x12f/0xa40 [ 4070.656846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.656846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.656846][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.656846][ T72] netlink_unicast+0x449/0x710 [ 4070.656846][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.656846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.656846][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.656846][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.656846][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.656846][ T72] [ 4070.659067][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4070.659067][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4070.659067][ T72] ipv6_find_idev+0x102/0x170 [ 4070.659067][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.659067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.659067][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.659067][ T72] netlink_unicast+0x449/0x710 [ 4070.659067][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.659067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.659067][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.659067][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.659067][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.659067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.659067][ T72] [ 4070.660806][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4070.660806][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4070.660806][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4070.660806][ T72] ipv6_find_idev+0x102/0x170 [ 4070.660806][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.660806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.660806][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.660806][ T72] netlink_unicast+0x449/0x710 [ 4070.660806][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.660806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.660806][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.660806][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.660806][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.660806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.660806][ T72] [ 4070.662841][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4070.663144][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4070.663144][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4070.663144][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4070.663144][ T72] fib6_nh_init+0xa22/0x1580 [ 4070.663144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.663144][ T72] ip6_route_add+0x1c/0x140 [ 4070.663144][ T72] inet6_rtm_newroute+0x104/0x110 [ 4070.663144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.663144][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.663144][ T72] netlink_unicast+0x449/0x710 [ 4070.663144][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.663144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.663144][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.663144][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.663144][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.663144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.663144][ T72] [ 4070.665604][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4070.665604][ T72] dst_init+0x84/0x4a0 [ 4070.665604][ T72] dst_alloc+0x97/0x150 [ 4070.665604][ T72] ip6_dst_alloc+0x23/0x90 [ 4070.665604][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4070.665604][ T72] ip6_pol_route+0x56f/0x840 [ 4070.665604][ T72] fib6_rule_lookup+0x456/0x630 [ 4070.665604][ T72] ip6_route_input+0x59c/0xa50 [ 4070.665604][ T72] ipv6_rcv+0x397/0x810 [ 4070.665604][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4070.665604][ T72] process_backlog+0x101/0x620 [ 4070.665604][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4070.665604][ T72] net_rx_action+0x495/0xbe0 [ 4070.665604][ T72] __do_softirq+0x1b5/0x7f6 [ 4070.665604][ T72] [ 4070.667651][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4070.667651][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.667651][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.667651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.667651][ T72] ip6_route_add+0x1c/0x140 [ 4070.667651][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4070.667651][ T72] inet6_addr_add+0x4f8/0xa40 [ 4070.667651][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.667651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.667651][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.667651][ T72] netlink_unicast+0x449/0x710 [ 4070.667651][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.667651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.667651][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.667651][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.667651][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.667651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.667651][ T72] [ 4070.670176][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4070.670176][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.670176][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.670176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.670176][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4070.670176][ T72] ipv6_add_addr+0x411/0x2000 [ 4070.670176][ T72] inet6_addr_add+0x30e/0xa40 [ 4070.670176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.670176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.670176][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.670176][ T72] netlink_unicast+0x449/0x710 [ 4070.670176][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.670176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.670176][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.670176][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.670176][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.670176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.670176][ T72] [ 4070.672610][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4070.672610][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.672610][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.672610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.672610][ T72] ip6_route_add+0x1c/0x140 [ 4070.672610][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4070.672610][ T72] addrconf_add_dev+0xe2/0x170 [ 4070.672610][ T72] inet6_addr_add+0x12f/0xa40 [ 4070.672610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.672610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.672610][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.672610][ T72] netlink_unicast+0x449/0x710 [ 4070.672610][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.672610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.672610][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.672610][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.672610][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.672610][ T72] [ 4070.675234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4070.675234][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4070.675234][ T72] ipv6_find_idev+0x102/0x170 [ 4070.675234][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.675234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.675234][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.675234][ T72] netlink_unicast+0x449/0x710 [ 4070.675234][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.675234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.675234][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.675234][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.675234][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.675234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.675234][ T72] [ 4070.677151][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4070.677151][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4070.677151][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4070.677151][ T72] ipv6_find_idev+0x102/0x170 [ 4070.677151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.677151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.677151][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.677151][ T72] netlink_unicast+0x449/0x710 [ 4070.677151][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.677151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.677151][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.677151][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.677151][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.677151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.677151][ T72] [ 4070.679242][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4070.679615][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4070.679615][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.679615][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.679615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.679615][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4070.679615][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4070.679615][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4070.679615][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4070.679615][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4070.679615][ T72] addrconf_dad_begin+0x310/0x670 [ 4070.679615][ T72] addrconf_dad_work+0x10b/0xab0 [ 4070.679615][ T72] process_one_work+0x84d/0x18a0 [ 4070.679615][ T72] worker_thread+0x587/0xd30 [ 4070.679615][ T72] kthread+0x28a/0x350 [ 4070.679615][ T72] ret_from_fork+0x31/0x70 [ 4070.679615][ T72] ret_from_fork_asm+0x1a/0x30 [ 4070.679615][ T72] [ 4070.681888][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4070.681888][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.681888][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.681888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.681888][ T72] ip6_route_add+0x1c/0x140 [ 4070.681888][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4070.681888][ T72] inet6_addr_add+0x4f8/0xa40 [ 4070.681888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.681888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.681888][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.681888][ T72] netlink_unicast+0x449/0x710 [ 4070.681888][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.681888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.681888][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.681888][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.681888][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.681888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.681888][ T72] [ 4070.684388][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4070.684388][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.684388][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.684388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.684388][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4070.684388][ T72] ipv6_add_addr+0x411/0x2000 [ 4070.684388][ T72] inet6_addr_add+0x30e/0xa40 [ 4070.684388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.684388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.684388][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.684388][ T72] netlink_unicast+0x449/0x710 [ 4070.684388][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.684388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.684388][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.684388][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.684388][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.684388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.684388][ T72] [ 4070.686948][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4070.686948][ T72] netdev_get_by_index+0x5e/0x80 [ 4070.686948][ T72] fib6_nh_init+0x3d8/0x1580 [ 4070.686948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4070.686948][ T72] ip6_route_add+0x1c/0x140 [ 4070.686948][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4070.686948][ T72] addrconf_add_dev+0xe2/0x170 [ 4070.686948][ T72] inet6_addr_add+0x12f/0xa40 [ 4070.686948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.686948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.686948][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.686948][ T72] netlink_unicast+0x449/0x710 [ 4070.686948][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.686948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.686948][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.686948][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.686948][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.686948][ T72] [ 4070.689408][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4070.689408][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4070.689408][ T72] ipv6_find_idev+0x102/0x170 [ 4070.689408][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.689408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.689408][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.689408][ T72] netlink_unicast+0x449/0x710 [ 4070.689408][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.689408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.689408][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.689408][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.689408][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.689408][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.689408][ T72] [ 4070.691327][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4070.691327][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4070.691327][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4070.691327][ T72] ipv6_find_idev+0x102/0x170 [ 4070.691327][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.691327][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.691327][ T72] netlink_rcv_skb+0x130/0x360 [ 4070.691327][ T72] netlink_unicast+0x449/0x710 [ 4070.691327][ T72] netlink_sendmsg+0x723/0xbe0 [ 4070.691327][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4070.691327][ T72] ___sys_sendmsg+0xee/0x170 [ 4070.691327][ T72] __sys_sendmsg+0xcd/0x170 [ 4070.691327][ T72] do_syscall_64+0xc6/0x1e0 [ 4070.691327][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.691327][ T72] [ 4080.936928][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4080.937440][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4080.937440][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4080.937440][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4080.937440][ T72] fib6_nh_init+0xa22/0x1580 [ 4080.937440][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.937440][ T72] ip6_route_add+0x1c/0x140 [ 4080.937440][ T72] inet6_rtm_newroute+0x104/0x110 [ 4080.937440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.937440][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.937440][ T72] netlink_unicast+0x449/0x710 [ 4080.937440][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.937440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.937440][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.937440][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.937440][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.937440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.937440][ T72] [ 4080.939370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4080.939370][ T72] dst_init+0x84/0x4a0 [ 4080.939370][ T72] dst_alloc+0x97/0x150 [ 4080.939370][ T72] ip6_dst_alloc+0x23/0x90 [ 4080.939370][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4080.939370][ T72] ip6_pol_route+0x56f/0x840 [ 4080.939370][ T72] fib6_rule_lookup+0x456/0x630 [ 4080.939370][ T72] ip6_route_input+0x59c/0xa50 [ 4080.939370][ T72] ipv6_rcv+0x397/0x810 [ 4080.939370][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4080.939370][ T72] process_backlog+0x101/0x620 [ 4080.939370][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4080.939370][ T72] net_rx_action+0x495/0xbe0 [ 4080.939370][ T72] __do_softirq+0x1b5/0x7f6 [ 4080.939370][ T72] [ 4080.941026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4080.941026][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.941026][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.941026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.941026][ T72] ip6_route_add+0x1c/0x140 [ 4080.941026][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4080.941026][ T72] inet6_addr_add+0x4f8/0xa40 [ 4080.941026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.941026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.941026][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.941026][ T72] netlink_unicast+0x449/0x710 [ 4080.941026][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.941026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.941026][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.941026][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.941026][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.941026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.941026][ T72] [ 4080.943056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4080.943056][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.943056][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.943056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.943056][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4080.943056][ T72] ipv6_add_addr+0x411/0x2000 [ 4080.943056][ T72] inet6_addr_add+0x30e/0xa40 [ 4080.943056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.943056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.943056][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.943056][ T72] netlink_unicast+0x449/0x710 [ 4080.943056][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.943056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.943056][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.943056][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.943056][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.943056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.943056][ T72] [ 4080.945068][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4080.945068][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.945068][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.945068][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.945068][ T72] ip6_route_add+0x1c/0x140 [ 4080.945068][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4080.945068][ T72] addrconf_add_dev+0xe2/0x170 [ 4080.945068][ T72] inet6_addr_add+0x12f/0xa40 [ 4080.945068][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.945068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.945068][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.945068][ T72] netlink_unicast+0x449/0x710 [ 4080.945068][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.945068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.945068][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.945068][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.945068][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.945068][ T72] [ 4080.947045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4080.947045][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4080.947045][ T72] ipv6_find_idev+0x102/0x170 [ 4080.947045][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4080.947045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.947045][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.947045][ T72] netlink_unicast+0x449/0x710 [ 4080.947045][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.947045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.947045][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.947045][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.947045][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.947045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.947045][ T72] [ 4080.948593][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4080.948593][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4080.948593][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4080.948593][ T72] ipv6_find_idev+0x102/0x170 [ 4080.948593][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4080.948593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.948593][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.948593][ T72] netlink_unicast+0x449/0x710 [ 4080.948593][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.948593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.948593][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.948593][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.948593][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.948593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.948593][ T72] [ 4080.950307][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4080.950579][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4080.950579][ T72] dst_init+0x84/0x4a0 [ 4080.950579][ T72] dst_alloc+0x97/0x150 [ 4080.950579][ T72] ip6_dst_alloc+0x23/0x90 [ 4080.950579][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4080.950579][ T72] ip6_pol_route+0x56f/0x840 [ 4080.950579][ T72] fib6_rule_lookup+0x456/0x630 [ 4080.950579][ T72] ip6_route_input+0x59c/0xa50 [ 4080.950579][ T72] ipv6_rcv+0x397/0x810 [ 4080.950579][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4080.950579][ T72] process_backlog+0x101/0x620 [ 4080.950579][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4080.950579][ T72] net_rx_action+0x495/0xbe0 [ 4080.950579][ T72] __do_softirq+0x1b5/0x7f6 [ 4080.950579][ T72] [ 4080.952222][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4080.952222][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.952222][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.952222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.952222][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4080.952222][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4080.952222][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4080.952222][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4080.952222][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4080.952222][ T72] addrconf_dad_begin+0x310/0x670 [ 4080.952222][ T72] addrconf_dad_work+0x10b/0xab0 [ 4080.952222][ T72] process_one_work+0x84d/0x18a0 [ 4080.952222][ T72] worker_thread+0x587/0xd30 [ 4080.952222][ T72] kthread+0x28a/0x350 [ 4080.952222][ T72] ret_from_fork+0x31/0x70 [ 4080.952222][ T72] ret_from_fork_asm+0x1a/0x30 [ 4080.952222][ T72] [ 4080.954137][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4080.954137][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.954137][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.954137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.954137][ T72] ip6_route_add+0x1c/0x140 [ 4080.954137][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4080.954137][ T72] inet6_addr_add+0x4f8/0xa40 [ 4080.954137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.954137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.954137][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.954137][ T72] netlink_unicast+0x449/0x710 [ 4080.954137][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.954137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.954137][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.954137][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.954137][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.954137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.954137][ T72] [ 4080.956137][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4080.956137][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.956137][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.956137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.956137][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4080.956137][ T72] ipv6_add_addr+0x411/0x2000 [ 4080.956137][ T72] inet6_addr_add+0x30e/0xa40 [ 4080.956137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.956137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.956137][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.956137][ T72] netlink_unicast+0x449/0x710 [ 4080.956137][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.956137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.956137][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.956137][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.956137][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.956137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.956137][ T72] [ 4080.958131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4080.958131][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.958131][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.958131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.958131][ T72] ip6_route_add+0x1c/0x140 [ 4080.958131][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4080.958131][ T72] addrconf_add_dev+0xe2/0x170 [ 4080.958131][ T72] inet6_addr_add+0x12f/0xa40 [ 4080.958131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.958131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.958131][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.958131][ T72] netlink_unicast+0x449/0x710 [ 4080.958131][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.958131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.958131][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.958131][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.958131][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.958131][ T72] [ 4080.960101][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4080.960101][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4080.960101][ T72] ipv6_find_idev+0x102/0x170 [ 4080.960101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4080.960101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.960101][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.960101][ T72] netlink_unicast+0x449/0x710 [ 4080.960101][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.960101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.960101][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.960101][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.960101][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.960101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.960101][ T72] [ 4080.961644][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4080.961644][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4080.961644][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4080.961644][ T72] ipv6_find_idev+0x102/0x170 [ 4080.961644][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4080.961644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.961644][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.961644][ T72] netlink_unicast+0x449/0x710 [ 4080.961644][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.961644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.961644][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.961644][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.961644][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.961644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.961644][ T72] [ 4080.963399][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4080.963742][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4080.963742][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4080.963742][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4080.963742][ T72] fib6_nh_init+0xa22/0x1580 [ 4080.963742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.963742][ T72] ip6_route_add+0x1c/0x140 [ 4080.963742][ T72] inet6_rtm_newroute+0x104/0x110 [ 4080.963742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.963742][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.963742][ T72] netlink_unicast+0x449/0x710 [ 4080.963742][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.963742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.963742][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.963742][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.963742][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.963742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.963742][ T72] [ 4080.965820][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4080.965820][ T72] dst_init+0x84/0x4a0 [ 4080.965820][ T72] dst_alloc+0x97/0x150 [ 4080.965820][ T72] ip6_dst_alloc+0x23/0x90 [ 4080.965820][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4080.965820][ T72] ip6_pol_route+0x56f/0x840 [ 4080.965820][ T72] fib6_rule_lookup+0x456/0x630 [ 4080.965820][ T72] ip6_route_input+0x59c/0xa50 [ 4080.965820][ T72] ipv6_rcv+0x397/0x810 [ 4080.965820][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4080.965820][ T72] process_backlog+0x101/0x620 [ 4080.965820][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4080.965820][ T72] net_rx_action+0x495/0xbe0 [ 4080.965820][ T72] __do_softirq+0x1b5/0x7f6 [ 4080.965820][ T72] [ 4080.967640][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4080.967640][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.967640][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.967640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.967640][ T72] ip6_route_add+0x1c/0x140 [ 4080.967640][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4080.967640][ T72] inet6_addr_add+0x4f8/0xa40 [ 4080.967640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.967640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.967640][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.967640][ T72] netlink_unicast+0x449/0x710 [ 4080.967640][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.967640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.967640][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.967640][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.967640][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.967640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.967640][ T72] [ 4080.969898][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4080.969898][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.969898][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.969898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.969898][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4080.969898][ T72] ipv6_add_addr+0x411/0x2000 [ 4080.969898][ T72] inet6_addr_add+0x30e/0xa40 [ 4080.969898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.969898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.969898][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.969898][ T72] netlink_unicast+0x449/0x710 [ 4080.969898][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.969898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.969898][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.969898][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.969898][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.969898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.969898][ T72] [ 4080.972152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4080.972152][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.972152][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.972152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.972152][ T72] ip6_route_add+0x1c/0x140 [ 4080.972152][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4080.972152][ T72] addrconf_add_dev+0xe2/0x170 [ 4080.972152][ T72] inet6_addr_add+0x12f/0xa40 [ 4080.972152][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.972152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.972152][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.972152][ T72] netlink_unicast+0x449/0x710 [ 4080.972152][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.972152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.972152][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.972152][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.972152][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.972152][ T72] [ 4080.974433][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4080.974433][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4080.974433][ T72] ipv6_find_idev+0x102/0x170 [ 4080.974433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4080.974433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.974433][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.974433][ T72] netlink_unicast+0x449/0x710 [ 4080.974433][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.974433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.974433][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.974433][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.974433][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.974433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.974433][ T72] [ 4080.976174][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4080.976174][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4080.976174][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4080.976174][ T72] ipv6_find_idev+0x102/0x170 [ 4080.976174][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4080.976174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.976174][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.976174][ T72] netlink_unicast+0x449/0x710 [ 4080.976174][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.976174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.976174][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.976174][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.976174][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.976174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.976174][ T72] [ 4080.978050][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4080.978324][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4080.978324][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.978324][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.978324][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.978324][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4080.978324][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4080.978324][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4080.978324][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4080.978324][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4080.978324][ T72] addrconf_dad_begin+0x310/0x670 [ 4080.978324][ T72] addrconf_dad_work+0x10b/0xab0 [ 4080.978324][ T72] process_one_work+0x84d/0x18a0 [ 4080.978324][ T72] worker_thread+0x587/0xd30 [ 4080.978324][ T72] kthread+0x28a/0x350 [ 4080.978324][ T72] ret_from_fork+0x31/0x70 [ 4080.978324][ T72] ret_from_fork_asm+0x1a/0x30 [ 4080.978324][ T72] [ 4080.980493][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4080.980493][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.980493][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.980493][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.980493][ T72] ip6_route_add+0x1c/0x140 [ 4080.980493][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4080.980493][ T72] inet6_addr_add+0x4f8/0xa40 [ 4080.980493][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.980493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.980493][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.980493][ T72] netlink_unicast+0x449/0x710 [ 4080.980493][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.980493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.980493][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.980493][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.980493][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.980493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.980493][ T72] [ 4080.982737][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4080.982737][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.982737][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.982737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.982737][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4080.982737][ T72] ipv6_add_addr+0x411/0x2000 [ 4080.982737][ T72] inet6_addr_add+0x30e/0xa40 [ 4080.982737][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.982737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.982737][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.982737][ T72] netlink_unicast+0x449/0x710 [ 4080.982737][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.982737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.982737][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.982737][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.982737][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.982737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.982737][ T72] [ 4080.985045][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4080.985045][ T72] netdev_get_by_index+0x5e/0x80 [ 4080.985045][ T72] fib6_nh_init+0x3d8/0x1580 [ 4080.985045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4080.985045][ T72] ip6_route_add+0x1c/0x140 [ 4080.985045][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4080.985045][ T72] addrconf_add_dev+0xe2/0x170 [ 4080.985045][ T72] inet6_addr_add+0x12f/0xa40 [ 4080.985045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4080.985045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.985045][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.985045][ T72] netlink_unicast+0x449/0x710 [ 4080.985045][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.985045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.985045][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.985045][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.985045][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.985045][ T72] [ 4080.987786][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4080.987786][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4080.987786][ T72] ipv6_find_idev+0x102/0x170 [ 4080.987786][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4080.987786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.987786][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.987786][ T72] netlink_unicast+0x449/0x710 [ 4080.987786][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.987786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.987786][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.987786][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.987786][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.987786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.987786][ T72] [ 4080.989457][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4080.989457][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4080.989457][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4080.989457][ T72] ipv6_find_idev+0x102/0x170 [ 4080.989457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4080.989457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4080.989457][ T72] netlink_rcv_skb+0x130/0x360 [ 4080.989457][ T72] netlink_unicast+0x449/0x710 [ 4080.989457][ T72] netlink_sendmsg+0x723/0xbe0 [ 4080.989457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4080.989457][ T72] ___sys_sendmsg+0xee/0x170 [ 4080.989457][ T72] __sys_sendmsg+0xcd/0x170 [ 4080.989457][ T72] do_syscall_64+0xc6/0x1e0 [ 4080.989457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4080.989457][ T72] [ 4091.232975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4091.233464][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4091.233464][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4091.233464][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4091.233464][ T72] fib6_nh_init+0xa22/0x1580 [ 4091.233464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.233464][ T72] ip6_route_add+0x1c/0x140 [ 4091.233464][ T72] inet6_rtm_newroute+0x104/0x110 [ 4091.233464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.233464][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.233464][ T72] netlink_unicast+0x449/0x710 [ 4091.233464][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.233464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.233464][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.233464][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.233464][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.233464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.233464][ T72] [ 4091.235400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4091.235400][ T72] dst_init+0x84/0x4a0 [ 4091.235400][ T72] dst_alloc+0x97/0x150 [ 4091.235400][ T72] ip6_dst_alloc+0x23/0x90 [ 4091.235400][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4091.235400][ T72] ip6_pol_route+0x56f/0x840 [ 4091.235400][ T72] fib6_rule_lookup+0x456/0x630 [ 4091.235400][ T72] ip6_route_input+0x59c/0xa50 [ 4091.235400][ T72] ipv6_rcv+0x397/0x810 [ 4091.235400][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4091.235400][ T72] process_backlog+0x101/0x620 [ 4091.235400][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4091.235400][ T72] net_rx_action+0x495/0xbe0 [ 4091.235400][ T72] __do_softirq+0x1b5/0x7f6 [ 4091.235400][ T72] [ 4091.237052][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4091.237052][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.237052][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.237052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.237052][ T72] ip6_route_add+0x1c/0x140 [ 4091.237052][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4091.237052][ T72] inet6_addr_add+0x4f8/0xa40 [ 4091.237052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.237052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.237052][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.237052][ T72] netlink_unicast+0x449/0x710 [ 4091.237052][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.237052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.237052][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.237052][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.237052][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.237052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.237052][ T72] [ 4091.239072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4091.239072][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.239072][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.239072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.239072][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4091.239072][ T72] ipv6_add_addr+0x411/0x2000 [ 4091.239072][ T72] inet6_addr_add+0x30e/0xa40 [ 4091.239072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.239072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.239072][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.239072][ T72] netlink_unicast+0x449/0x710 [ 4091.239072][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.239072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.239072][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.239072][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.239072][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.239072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.239072][ T72] [ 4091.241083][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4091.241083][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.241083][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.241083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.241083][ T72] ip6_route_add+0x1c/0x140 [ 4091.241083][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4091.241083][ T72] addrconf_add_dev+0xe2/0x170 [ 4091.241083][ T72] inet6_addr_add+0x12f/0xa40 [ 4091.241083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.241083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.241083][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.241083][ T72] netlink_unicast+0x449/0x710 [ 4091.241083][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.241083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.241083][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.241083][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.241083][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.241083][ T72] [ 4091.243060][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4091.243060][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4091.243060][ T72] ipv6_find_idev+0x102/0x170 [ 4091.243060][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.243060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.243060][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.243060][ T72] netlink_unicast+0x449/0x710 [ 4091.243060][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.243060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.243060][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.243060][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.243060][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.243060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.243060][ T72] [ 4091.244602][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4091.244602][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4091.244602][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4091.244602][ T72] ipv6_find_idev+0x102/0x170 [ 4091.244602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.244602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.244602][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.244602][ T72] netlink_unicast+0x449/0x710 [ 4091.244602][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.244602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.244602][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.244602][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.244602][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.244602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.244602][ T72] [ 4091.246312][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4091.246585][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4091.246585][ T72] dst_init+0x84/0x4a0 [ 4091.246585][ T72] dst_alloc+0x97/0x150 [ 4091.246585][ T72] ip6_dst_alloc+0x23/0x90 [ 4091.246585][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4091.246585][ T72] ip6_pol_route+0x56f/0x840 [ 4091.246585][ T72] fib6_rule_lookup+0x456/0x630 [ 4091.246585][ T72] ip6_route_input+0x59c/0xa50 [ 4091.246585][ T72] ipv6_rcv+0x397/0x810 [ 4091.246585][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4091.246585][ T72] process_backlog+0x101/0x620 [ 4091.246585][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4091.246585][ T72] net_rx_action+0x495/0xbe0 [ 4091.246585][ T72] __do_softirq+0x1b5/0x7f6 [ 4091.246585][ T72] [ 4091.248233][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4091.248233][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.248233][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.248233][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.248233][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4091.248233][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4091.248233][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4091.248233][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4091.248233][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4091.248233][ T72] addrconf_dad_begin+0x310/0x670 [ 4091.248233][ T72] addrconf_dad_work+0x10b/0xab0 [ 4091.248233][ T72] process_one_work+0x84d/0x18a0 [ 4091.248233][ T72] worker_thread+0x587/0xd30 [ 4091.248233][ T72] kthread+0x28a/0x350 [ 4091.248233][ T72] ret_from_fork+0x31/0x70 [ 4091.248233][ T72] ret_from_fork_asm+0x1a/0x30 [ 4091.248233][ T72] [ 4091.250159][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4091.250159][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.250159][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.250159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.250159][ T72] ip6_route_add+0x1c/0x140 [ 4091.250159][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4091.250159][ T72] inet6_addr_add+0x4f8/0xa40 [ 4091.250159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.250159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.250159][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.250159][ T72] netlink_unicast+0x449/0x710 [ 4091.250159][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.250159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.250159][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.250159][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.250159][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.250159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.250159][ T72] [ 4091.252160][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4091.252160][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.252160][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.252160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.252160][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4091.252160][ T72] ipv6_add_addr+0x411/0x2000 [ 4091.252160][ T72] inet6_addr_add+0x30e/0xa40 [ 4091.252160][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.252160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.252160][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.252160][ T72] netlink_unicast+0x449/0x710 [ 4091.252160][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.252160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.252160][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.252160][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.252160][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.252160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.252160][ T72] [ 4091.254167][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4091.254167][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.254167][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.254167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.254167][ T72] ip6_route_add+0x1c/0x140 [ 4091.254167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4091.254167][ T72] addrconf_add_dev+0xe2/0x170 [ 4091.254167][ T72] inet6_addr_add+0x12f/0xa40 [ 4091.254167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.254167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.254167][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.254167][ T72] netlink_unicast+0x449/0x710 [ 4091.254167][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.254167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.254167][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.254167][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.254167][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.254167][ T72] [ 4091.256140][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4091.256140][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4091.256140][ T72] ipv6_find_idev+0x102/0x170 [ 4091.256140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.256140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.256140][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.256140][ T72] netlink_unicast+0x449/0x710 [ 4091.256140][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.256140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.256140][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.256140][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.256140][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.256140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.256140][ T72] [ 4091.257710][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4091.257710][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4091.257710][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4091.257710][ T72] ipv6_find_idev+0x102/0x170 [ 4091.257710][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.257710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.257710][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.257710][ T72] netlink_unicast+0x449/0x710 [ 4091.257710][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.257710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.257710][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.257710][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.257710][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.257710][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.257710][ T72] [ 4091.259495][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4091.259863][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4091.259863][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4091.259863][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4091.259863][ T72] fib6_nh_init+0xa22/0x1580 [ 4091.259863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.259863][ T72] ip6_route_add+0x1c/0x140 [ 4091.259863][ T72] inet6_rtm_newroute+0x104/0x110 [ 4091.259863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.259863][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.259863][ T72] netlink_unicast+0x449/0x710 [ 4091.259863][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.259863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.259863][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.259863][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.259863][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.259863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.259863][ T72] [ 4091.261927][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4091.261927][ T72] dst_init+0x84/0x4a0 [ 4091.261927][ T72] dst_alloc+0x97/0x150 [ 4091.261927][ T72] ip6_dst_alloc+0x23/0x90 [ 4091.261927][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4091.261927][ T72] ip6_pol_route+0x56f/0x840 [ 4091.261927][ T72] fib6_rule_lookup+0x456/0x630 [ 4091.261927][ T72] ip6_route_input+0x59c/0xa50 [ 4091.261927][ T72] ipv6_rcv+0x397/0x810 [ 4091.261927][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4091.261927][ T72] process_backlog+0x101/0x620 [ 4091.261927][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4091.261927][ T72] net_rx_action+0x495/0xbe0 [ 4091.261927][ T72] __do_softirq+0x1b5/0x7f6 [ 4091.261927][ T72] [ 4091.263746][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4091.263746][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.263746][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.263746][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.263746][ T72] ip6_route_add+0x1c/0x140 [ 4091.263746][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4091.263746][ T72] inet6_addr_add+0x4f8/0xa40 [ 4091.263746][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.263746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.263746][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.263746][ T72] netlink_unicast+0x449/0x710 [ 4091.263746][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.263746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.263746][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.263746][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.263746][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.263746][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.263746][ T72] [ 4091.266020][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4091.266020][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.266020][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.266020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.266020][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4091.266020][ T72] ipv6_add_addr+0x411/0x2000 [ 4091.266020][ T72] inet6_addr_add+0x30e/0xa40 [ 4091.266020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.266020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.266020][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.266020][ T72] netlink_unicast+0x449/0x710 [ 4091.266020][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.266020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.266020][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.266020][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.266020][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.266020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.266020][ T72] [ 4091.268214][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4091.268214][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.268214][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.268214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.268214][ T72] ip6_route_add+0x1c/0x140 [ 4091.268214][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4091.268214][ T72] addrconf_add_dev+0xe2/0x170 [ 4091.268214][ T72] inet6_addr_add+0x12f/0xa40 [ 4091.268214][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.268214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.268214][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.268214][ T72] netlink_unicast+0x449/0x710 [ 4091.268214][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.268214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.268214][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.268214][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.268214][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.268214][ T72] [ 4091.270491][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4091.270491][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4091.270491][ T72] ipv6_find_idev+0x102/0x170 [ 4091.270491][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.270491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.270491][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.270491][ T72] netlink_unicast+0x449/0x710 [ 4091.270491][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.270491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.270491][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.270491][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.270491][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.270491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.270491][ T72] [ 4091.272226][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4091.272226][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4091.272226][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4091.272226][ T72] ipv6_find_idev+0x102/0x170 [ 4091.272226][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.272226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.272226][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.272226][ T72] netlink_unicast+0x449/0x710 [ 4091.272226][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.272226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.272226][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.272226][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.272226][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.272226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.272226][ T72] [ 4091.274096][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4091.274385][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4091.274385][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.274385][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.274385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.274385][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4091.274385][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4091.274385][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4091.274385][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4091.274385][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4091.274385][ T72] addrconf_dad_begin+0x310/0x670 [ 4091.274385][ T72] addrconf_dad_work+0x10b/0xab0 [ 4091.274385][ T72] process_one_work+0x84d/0x18a0 [ 4091.274385][ T72] worker_thread+0x587/0xd30 [ 4091.274385][ T72] kthread+0x28a/0x350 [ 4091.274385][ T72] ret_from_fork+0x31/0x70 [ 4091.274385][ T72] ret_from_fork_asm+0x1a/0x30 [ 4091.274385][ T72] [ 4091.276542][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4091.276542][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.276542][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.276542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.276542][ T72] ip6_route_add+0x1c/0x140 [ 4091.276542][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4091.276542][ T72] inet6_addr_add+0x4f8/0xa40 [ 4091.276542][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.276542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.276542][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.276542][ T72] netlink_unicast+0x449/0x710 [ 4091.276542][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.276542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.276542][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.276542][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.276542][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.276542][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.276542][ T72] [ 4091.278782][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4091.278782][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.278782][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.278782][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.278782][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4091.278782][ T72] ipv6_add_addr+0x411/0x2000 [ 4091.278782][ T72] inet6_addr_add+0x30e/0xa40 [ 4091.278782][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.278782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.278782][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.278782][ T72] netlink_unicast+0x449/0x710 [ 4091.278782][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.278782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.278782][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.278782][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.278782][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.278782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.278782][ T72] [ 4091.281103][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4091.281103][ T72] netdev_get_by_index+0x5e/0x80 [ 4091.281103][ T72] fib6_nh_init+0x3d8/0x1580 [ 4091.281103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4091.281103][ T72] ip6_route_add+0x1c/0x140 [ 4091.281103][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4091.281103][ T72] addrconf_add_dev+0xe2/0x170 [ 4091.281103][ T72] inet6_addr_add+0x12f/0xa40 [ 4091.281103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.281103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.281103][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.281103][ T72] netlink_unicast+0x449/0x710 [ 4091.281103][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.281103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.281103][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.281103][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.281103][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.281103][ T72] [ 4091.283315][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4091.283315][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4091.283315][ T72] ipv6_find_idev+0x102/0x170 [ 4091.283315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.283315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.283315][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.283315][ T72] netlink_unicast+0x449/0x710 [ 4091.283315][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.283315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.283315][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.283315][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.283315][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.283315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.283315][ T72] [ 4091.284979][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4091.284979][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4091.284979][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4091.284979][ T72] ipv6_find_idev+0x102/0x170 [ 4091.284979][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.284979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.284979][ T72] netlink_rcv_skb+0x130/0x360 [ 4091.284979][ T72] netlink_unicast+0x449/0x710 [ 4091.284979][ T72] netlink_sendmsg+0x723/0xbe0 [ 4091.284979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4091.284979][ T72] ___sys_sendmsg+0xee/0x170 [ 4091.284979][ T72] __sys_sendmsg+0xcd/0x170 [ 4091.284979][ T72] do_syscall_64+0xc6/0x1e0 [ 4091.284979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.284979][ T72] [ 4101.520945][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4101.521454][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4101.521454][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4101.521454][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4101.521454][ T72] fib6_nh_init+0xa22/0x1580 [ 4101.521454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.521454][ T72] ip6_route_add+0x1c/0x140 [ 4101.521454][ T72] inet6_rtm_newroute+0x104/0x110 [ 4101.521454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.521454][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.521454][ T72] netlink_unicast+0x449/0x710 [ 4101.521454][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.521454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.521454][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.521454][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.521454][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.521454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.521454][ T72] [ 4101.523372][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4101.523372][ T72] dst_init+0x84/0x4a0 [ 4101.523372][ T72] dst_alloc+0x97/0x150 [ 4101.523372][ T72] ip6_dst_alloc+0x23/0x90 [ 4101.523372][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4101.523372][ T72] ip6_pol_route+0x56f/0x840 [ 4101.523372][ T72] fib6_rule_lookup+0x456/0x630 [ 4101.523372][ T72] ip6_route_input+0x59c/0xa50 [ 4101.523372][ T72] ipv6_rcv+0x397/0x810 [ 4101.523372][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4101.523372][ T72] process_backlog+0x101/0x620 [ 4101.523372][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4101.523372][ T72] net_rx_action+0x495/0xbe0 [ 4101.523372][ T72] __do_softirq+0x1b5/0x7f6 [ 4101.523372][ T72] [ 4101.525026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4101.525026][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.525026][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.525026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.525026][ T72] ip6_route_add+0x1c/0x140 [ 4101.525026][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4101.525026][ T72] inet6_addr_add+0x4f8/0xa40 [ 4101.525026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.525026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.525026][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.525026][ T72] netlink_unicast+0x449/0x710 [ 4101.525026][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.525026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.525026][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.525026][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.525026][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.525026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.525026][ T72] [ 4101.527039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4101.527039][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.527039][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.527039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.527039][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4101.527039][ T72] ipv6_add_addr+0x411/0x2000 [ 4101.527039][ T72] inet6_addr_add+0x30e/0xa40 [ 4101.527039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.527039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.527039][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.527039][ T72] netlink_unicast+0x449/0x710 [ 4101.527039][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.527039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.527039][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.527039][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.527039][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.527039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.527039][ T72] [ 4101.529062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4101.529062][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.529062][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.529062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.529062][ T72] ip6_route_add+0x1c/0x140 [ 4101.529062][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4101.529062][ T72] addrconf_add_dev+0xe2/0x170 [ 4101.529062][ T72] inet6_addr_add+0x12f/0xa40 [ 4101.529062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.529062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.529062][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.529062][ T72] netlink_unicast+0x449/0x710 [ 4101.529062][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.529062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.529062][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.529062][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.529062][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.529062][ T72] [ 4101.531038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4101.531038][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4101.531038][ T72] ipv6_find_idev+0x102/0x170 [ 4101.531038][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.531038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.531038][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.531038][ T72] netlink_unicast+0x449/0x710 [ 4101.531038][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.531038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.531038][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.531038][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.531038][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.531038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.531038][ T72] [ 4101.532589][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4101.532589][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4101.532589][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4101.532589][ T72] ipv6_find_idev+0x102/0x170 [ 4101.532589][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.532589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.532589][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.532589][ T72] netlink_unicast+0x449/0x710 [ 4101.532589][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.532589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.532589][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.532589][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.532589][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.532589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.532589][ T72] [ 4101.534289][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4101.534613][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4101.534613][ T72] dst_init+0x84/0x4a0 [ 4101.534613][ T72] dst_alloc+0x97/0x150 [ 4101.534613][ T72] ip6_dst_alloc+0x23/0x90 [ 4101.534613][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4101.534613][ T72] ip6_pol_route+0x56f/0x840 [ 4101.534613][ T72] fib6_rule_lookup+0x456/0x630 [ 4101.534613][ T72] ip6_route_input+0x59c/0xa50 [ 4101.534613][ T72] ipv6_rcv+0x397/0x810 [ 4101.534613][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4101.534613][ T72] process_backlog+0x101/0x620 [ 4101.534613][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4101.534613][ T72] net_rx_action+0x495/0xbe0 [ 4101.534613][ T72] __do_softirq+0x1b5/0x7f6 [ 4101.534613][ T72] [ 4101.536269][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4101.536269][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.536269][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.536269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.536269][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4101.536269][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4101.536269][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4101.536269][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4101.536269][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4101.536269][ T72] addrconf_dad_begin+0x310/0x670 [ 4101.536269][ T72] addrconf_dad_work+0x10b/0xab0 [ 4101.536269][ T72] process_one_work+0x84d/0x18a0 [ 4101.536269][ T72] worker_thread+0x587/0xd30 [ 4101.536269][ T72] kthread+0x28a/0x350 [ 4101.536269][ T72] ret_from_fork+0x31/0x70 [ 4101.536269][ T72] ret_from_fork_asm+0x1a/0x30 [ 4101.536269][ T72] [ 4101.538186][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4101.538186][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.538186][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.538186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.538186][ T72] ip6_route_add+0x1c/0x140 [ 4101.538186][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4101.538186][ T72] inet6_addr_add+0x4f8/0xa40 [ 4101.538186][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.538186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.538186][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.538186][ T72] netlink_unicast+0x449/0x710 [ 4101.538186][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.538186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.538186][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.538186][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.538186][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.538186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.538186][ T72] [ 4101.540199][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4101.540199][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.540199][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.540199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.540199][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4101.540199][ T72] ipv6_add_addr+0x411/0x2000 [ 4101.540199][ T72] inet6_addr_add+0x30e/0xa40 [ 4101.540199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.540199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.540199][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.540199][ T72] netlink_unicast+0x449/0x710 [ 4101.540199][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.540199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.540199][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.540199][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.540199][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.540199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.540199][ T72] [ 4101.542207][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4101.542207][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.542207][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.542207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.542207][ T72] ip6_route_add+0x1c/0x140 [ 4101.542207][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4101.542207][ T72] addrconf_add_dev+0xe2/0x170 [ 4101.542207][ T72] inet6_addr_add+0x12f/0xa40 [ 4101.542207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.542207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.542207][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.542207][ T72] netlink_unicast+0x449/0x710 [ 4101.542207][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.542207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.542207][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.542207][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.542207][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.542207][ T72] [ 4101.544199][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4101.544199][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4101.544199][ T72] ipv6_find_idev+0x102/0x170 [ 4101.544199][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.544199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.544199][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.544199][ T72] netlink_unicast+0x449/0x710 [ 4101.544199][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.544199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.544199][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.544199][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.544199][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.544199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.544199][ T72] [ 4101.545739][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4101.545739][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4101.545739][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4101.545739][ T72] ipv6_find_idev+0x102/0x170 [ 4101.545739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.545739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.545739][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.545739][ T72] netlink_unicast+0x449/0x710 [ 4101.545739][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.545739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.545739][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.545739][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.545739][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.545739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.545739][ T72] [ 4101.547501][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4101.547867][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4101.547867][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4101.547867][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4101.547867][ T72] fib6_nh_init+0xa22/0x1580 [ 4101.547867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.547867][ T72] ip6_route_add+0x1c/0x140 [ 4101.547867][ T72] inet6_rtm_newroute+0x104/0x110 [ 4101.547867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.547867][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.547867][ T72] netlink_unicast+0x449/0x710 [ 4101.547867][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.547867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.547867][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.547867][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.547867][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.547867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.547867][ T72] [ 4101.549946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4101.549946][ T72] dst_init+0x84/0x4a0 [ 4101.549946][ T72] dst_alloc+0x97/0x150 [ 4101.549946][ T72] ip6_dst_alloc+0x23/0x90 [ 4101.549946][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4101.549946][ T72] ip6_pol_route+0x56f/0x840 [ 4101.549946][ T72] fib6_rule_lookup+0x456/0x630 [ 4101.549946][ T72] ip6_route_input+0x59c/0xa50 [ 4101.549946][ T72] ipv6_rcv+0x397/0x810 [ 4101.549946][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4101.549946][ T72] process_backlog+0x101/0x620 [ 4101.549946][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4101.549946][ T72] net_rx_action+0x495/0xbe0 [ 4101.549946][ T72] __do_softirq+0x1b5/0x7f6 [ 4101.549946][ T72] [ 4101.551769][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4101.551769][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.551769][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.551769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.551769][ T72] ip6_route_add+0x1c/0x140 [ 4101.551769][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4101.551769][ T72] inet6_addr_add+0x4f8/0xa40 [ 4101.551769][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.551769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.551769][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.551769][ T72] netlink_unicast+0x449/0x710 [ 4101.551769][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.551769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.551769][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.551769][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.551769][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.551769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.551769][ T72] [ 4101.554022][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4101.554022][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.554022][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.554022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.554022][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4101.554022][ T72] ipv6_add_addr+0x411/0x2000 [ 4101.554022][ T72] inet6_addr_add+0x30e/0xa40 [ 4101.554022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.554022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.554022][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.554022][ T72] netlink_unicast+0x449/0x710 [ 4101.554022][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.554022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.554022][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.554022][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.554022][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.554022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.554022][ T72] [ 4101.556214][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4101.556214][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.556214][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.556214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.556214][ T72] ip6_route_add+0x1c/0x140 [ 4101.556214][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4101.556214][ T72] addrconf_add_dev+0xe2/0x170 [ 4101.556214][ T72] inet6_addr_add+0x12f/0xa40 [ 4101.556214][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.556214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.556214][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.556214][ T72] netlink_unicast+0x449/0x710 [ 4101.556214][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.556214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.556214][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.556214][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.556214][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.556214][ T72] [ 4101.558484][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4101.558484][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4101.558484][ T72] ipv6_find_idev+0x102/0x170 [ 4101.558484][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.558484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.558484][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.558484][ T72] netlink_unicast+0x449/0x710 [ 4101.558484][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.558484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.558484][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.558484][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.558484][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.558484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.558484][ T72] [ 4101.560215][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4101.560215][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4101.560215][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4101.560215][ T72] ipv6_find_idev+0x102/0x170 [ 4101.560215][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.560215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.560215][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.560215][ T72] netlink_unicast+0x449/0x710 [ 4101.560215][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.560215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.560215][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.560215][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.560215][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.560215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.560215][ T72] [ 4101.562089][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4101.562361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4101.562361][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.562361][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.562361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.562361][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4101.562361][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4101.562361][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4101.562361][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4101.562361][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4101.562361][ T72] addrconf_dad_begin+0x310/0x670 [ 4101.562361][ T72] addrconf_dad_work+0x10b/0xab0 [ 4101.562361][ T72] process_one_work+0x84d/0x18a0 [ 4101.562361][ T72] worker_thread+0x587/0xd30 [ 4101.562361][ T72] kthread+0x28a/0x350 [ 4101.562361][ T72] ret_from_fork+0x31/0x70 [ 4101.562361][ T72] ret_from_fork_asm+0x1a/0x30 [ 4101.562361][ T72] [ 4101.564513][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4101.564513][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.564513][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.564513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.564513][ T72] ip6_route_add+0x1c/0x140 [ 4101.564513][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4101.564513][ T72] inet6_addr_add+0x4f8/0xa40 [ 4101.564513][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.564513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.564513][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.564513][ T72] netlink_unicast+0x449/0x710 [ 4101.564513][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.564513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.564513][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.564513][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.564513][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.564513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.564513][ T72] [ 4101.567293][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4101.567293][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.567293][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.567293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.567293][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4101.567293][ T72] ipv6_add_addr+0x411/0x2000 [ 4101.567293][ T72] inet6_addr_add+0x30e/0xa40 [ 4101.567293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.567293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.567293][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.567293][ T72] netlink_unicast+0x449/0x710 [ 4101.567293][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.567293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.567293][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.567293][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.567293][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.567293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.567293][ T72] [ 4101.569606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4101.569606][ T72] netdev_get_by_index+0x5e/0x80 [ 4101.569606][ T72] fib6_nh_init+0x3d8/0x1580 [ 4101.569606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4101.569606][ T72] ip6_route_add+0x1c/0x140 [ 4101.569606][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4101.569606][ T72] addrconf_add_dev+0xe2/0x170 [ 4101.569606][ T72] inet6_addr_add+0x12f/0xa40 [ 4101.569606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.569606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.569606][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.569606][ T72] netlink_unicast+0x449/0x710 [ 4101.569606][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.569606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.569606][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.569606][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.569606][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.569606][ T72] [ 4101.572190][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4101.572190][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4101.572190][ T72] ipv6_find_idev+0x102/0x170 [ 4101.572190][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.572190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.572190][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.572190][ T72] netlink_unicast+0x449/0x710 [ 4101.572190][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.572190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.572190][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.572190][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.572190][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.572190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.572190][ T72] [ 4101.573855][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4101.573855][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4101.573855][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4101.573855][ T72] ipv6_find_idev+0x102/0x170 [ 4101.573855][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.573855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.573855][ T72] netlink_rcv_skb+0x130/0x360 [ 4101.573855][ T72] netlink_unicast+0x449/0x710 [ 4101.573855][ T72] netlink_sendmsg+0x723/0xbe0 [ 4101.573855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4101.573855][ T72] ___sys_sendmsg+0xee/0x170 [ 4101.573855][ T72] __sys_sendmsg+0xcd/0x170 [ 4101.573855][ T72] do_syscall_64+0xc6/0x1e0 [ 4101.573855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.573855][ T72] [ 4111.776950][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4111.777461][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4111.777461][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4111.777461][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4111.777461][ T72] fib6_nh_init+0xa22/0x1580 [ 4111.777461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.777461][ T72] ip6_route_add+0x1c/0x140 [ 4111.777461][ T72] inet6_rtm_newroute+0x104/0x110 [ 4111.777461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.777461][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.777461][ T72] netlink_unicast+0x449/0x710 [ 4111.777461][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.777461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.777461][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.777461][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.777461][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.777461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.777461][ T72] [ 4111.779386][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4111.779386][ T72] dst_init+0x84/0x4a0 [ 4111.779386][ T72] dst_alloc+0x97/0x150 [ 4111.779386][ T72] ip6_dst_alloc+0x23/0x90 [ 4111.779386][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4111.779386][ T72] ip6_pol_route+0x56f/0x840 [ 4111.779386][ T72] fib6_rule_lookup+0x456/0x630 [ 4111.779386][ T72] ip6_route_input+0x59c/0xa50 [ 4111.779386][ T72] ipv6_rcv+0x397/0x810 [ 4111.779386][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4111.779386][ T72] process_backlog+0x101/0x620 [ 4111.779386][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4111.779386][ T72] net_rx_action+0x495/0xbe0 [ 4111.779386][ T72] __do_softirq+0x1b5/0x7f6 [ 4111.779386][ T72] [ 4111.781041][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4111.781041][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.781041][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.781041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.781041][ T72] ip6_route_add+0x1c/0x140 [ 4111.781041][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4111.781041][ T72] inet6_addr_add+0x4f8/0xa40 [ 4111.781041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.781041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.781041][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.781041][ T72] netlink_unicast+0x449/0x710 [ 4111.781041][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.781041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.781041][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.781041][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.781041][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.781041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.781041][ T72] [ 4111.783052][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4111.783052][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.783052][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.783052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.783052][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4111.783052][ T72] ipv6_add_addr+0x411/0x2000 [ 4111.783052][ T72] inet6_addr_add+0x30e/0xa40 [ 4111.783052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.783052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.783052][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.783052][ T72] netlink_unicast+0x449/0x710 [ 4111.783052][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.783052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.783052][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.783052][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.783052][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.783052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.783052][ T72] [ 4111.785072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4111.785072][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.785072][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.785072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.785072][ T72] ip6_route_add+0x1c/0x140 [ 4111.785072][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4111.785072][ T72] addrconf_add_dev+0xe2/0x170 [ 4111.785072][ T72] inet6_addr_add+0x12f/0xa40 [ 4111.785072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.785072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.785072][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.785072][ T72] netlink_unicast+0x449/0x710 [ 4111.785072][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.785072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.785072][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.785072][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.785072][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.785072][ T72] [ 4111.787047][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4111.787047][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4111.787047][ T72] ipv6_find_idev+0x102/0x170 [ 4111.787047][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.787047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.787047][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.787047][ T72] netlink_unicast+0x449/0x710 [ 4111.787047][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.787047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.787047][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.787047][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.787047][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.787047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.787047][ T72] [ 4111.788596][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4111.788596][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4111.788596][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4111.788596][ T72] ipv6_find_idev+0x102/0x170 [ 4111.788596][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.788596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.788596][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.788596][ T72] netlink_unicast+0x449/0x710 [ 4111.788596][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.788596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.788596][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.788596][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.788596][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.788596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.788596][ T72] [ 4111.790320][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4111.790597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4111.790597][ T72] dst_init+0x84/0x4a0 [ 4111.790597][ T72] dst_alloc+0x97/0x150 [ 4111.790597][ T72] ip6_dst_alloc+0x23/0x90 [ 4111.790597][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4111.790597][ T72] ip6_pol_route+0x56f/0x840 [ 4111.790597][ T72] fib6_rule_lookup+0x456/0x630 [ 4111.790597][ T72] ip6_route_input+0x59c/0xa50 [ 4111.790597][ T72] ipv6_rcv+0x397/0x810 [ 4111.790597][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4111.790597][ T72] process_backlog+0x101/0x620 [ 4111.790597][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4111.790597][ T72] net_rx_action+0x495/0xbe0 [ 4111.790597][ T72] __do_softirq+0x1b5/0x7f6 [ 4111.790597][ T72] [ 4111.792255][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4111.792255][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.792255][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.792255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.792255][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4111.792255][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4111.792255][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4111.792255][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4111.792255][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4111.792255][ T72] addrconf_dad_begin+0x310/0x670 [ 4111.792255][ T72] addrconf_dad_work+0x10b/0xab0 [ 4111.792255][ T72] process_one_work+0x84d/0x18a0 [ 4111.792255][ T72] worker_thread+0x587/0xd30 [ 4111.792255][ T72] kthread+0x28a/0x350 [ 4111.792255][ T72] ret_from_fork+0x31/0x70 [ 4111.792255][ T72] ret_from_fork_asm+0x1a/0x30 [ 4111.792255][ T72] [ 4111.794174][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4111.794174][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.794174][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.794174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.794174][ T72] ip6_route_add+0x1c/0x140 [ 4111.794174][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4111.794174][ T72] inet6_addr_add+0x4f8/0xa40 [ 4111.794174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.794174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.794174][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.794174][ T72] netlink_unicast+0x449/0x710 [ 4111.794174][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.794174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.794174][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.794174][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.794174][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.794174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.794174][ T72] [ 4111.796181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4111.796181][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.796181][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.796181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.796181][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4111.796181][ T72] ipv6_add_addr+0x411/0x2000 [ 4111.796181][ T72] inet6_addr_add+0x30e/0xa40 [ 4111.796181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.796181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.796181][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.796181][ T72] netlink_unicast+0x449/0x710 [ 4111.796181][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.796181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.796181][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.796181][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.796181][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.796181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.796181][ T72] [ 4111.798268][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4111.798268][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.798268][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.798268][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.798268][ T72] ip6_route_add+0x1c/0x140 [ 4111.798268][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4111.798268][ T72] addrconf_add_dev+0xe2/0x170 [ 4111.798268][ T72] inet6_addr_add+0x12f/0xa40 [ 4111.798268][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.798268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.798268][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.798268][ T72] netlink_unicast+0x449/0x710 [ 4111.798268][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.798268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.798268][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.798268][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.798268][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.798268][ T72] [ 4111.800252][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4111.800252][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4111.800252][ T72] ipv6_find_idev+0x102/0x170 [ 4111.800252][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.800252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.800252][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.800252][ T72] netlink_unicast+0x449/0x710 [ 4111.800252][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.800252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.800252][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.800252][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.800252][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.800252][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.800252][ T72] [ 4111.801802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4111.801802][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4111.801802][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4111.801802][ T72] ipv6_find_idev+0x102/0x170 [ 4111.801802][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.801802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.801802][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.801802][ T72] netlink_unicast+0x449/0x710 [ 4111.801802][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.801802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.801802][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.801802][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.801802][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.801802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.801802][ T72] [ 4111.803569][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4111.803923][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4111.803923][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4111.803923][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4111.803923][ T72] fib6_nh_init+0xa22/0x1580 [ 4111.803923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.803923][ T72] ip6_route_add+0x1c/0x140 [ 4111.803923][ T72] inet6_rtm_newroute+0x104/0x110 [ 4111.803923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.803923][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.803923][ T72] netlink_unicast+0x449/0x710 [ 4111.803923][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.803923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.803923][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.803923][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.803923][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.803923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.803923][ T72] [ 4111.806000][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4111.806000][ T72] dst_init+0x84/0x4a0 [ 4111.806000][ T72] dst_alloc+0x97/0x150 [ 4111.806000][ T72] ip6_dst_alloc+0x23/0x90 [ 4111.806000][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4111.806000][ T72] ip6_pol_route+0x56f/0x840 [ 4111.806000][ T72] fib6_rule_lookup+0x456/0x630 [ 4111.806000][ T72] ip6_route_input+0x59c/0xa50 [ 4111.806000][ T72] ipv6_rcv+0x397/0x810 [ 4111.806000][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4111.806000][ T72] process_backlog+0x101/0x620 [ 4111.806000][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4111.806000][ T72] net_rx_action+0x495/0xbe0 [ 4111.806000][ T72] __do_softirq+0x1b5/0x7f6 [ 4111.806000][ T72] [ 4111.807825][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4111.807825][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.807825][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.807825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.807825][ T72] ip6_route_add+0x1c/0x140 [ 4111.807825][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4111.807825][ T72] inet6_addr_add+0x4f8/0xa40 [ 4111.807825][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.807825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.807825][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.807825][ T72] netlink_unicast+0x449/0x710 [ 4111.807825][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.807825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.807825][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.807825][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.807825][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.807825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.807825][ T72] [ 4111.810100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4111.810100][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.810100][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.810100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.810100][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4111.810100][ T72] ipv6_add_addr+0x411/0x2000 [ 4111.810100][ T72] inet6_addr_add+0x30e/0xa40 [ 4111.810100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.810100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.810100][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.810100][ T72] netlink_unicast+0x449/0x710 [ 4111.810100][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.810100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.810100][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.810100][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.810100][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.810100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.810100][ T72] [ 4111.812321][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4111.812321][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.812321][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.812321][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.812321][ T72] ip6_route_add+0x1c/0x140 [ 4111.812321][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4111.812321][ T72] addrconf_add_dev+0xe2/0x170 [ 4111.812321][ T72] inet6_addr_add+0x12f/0xa40 [ 4111.812321][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.812321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.812321][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.812321][ T72] netlink_unicast+0x449/0x710 [ 4111.812321][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.812321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.812321][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.812321][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.812321][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.812321][ T72] [ 4111.814610][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4111.814610][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4111.814610][ T72] ipv6_find_idev+0x102/0x170 [ 4111.814610][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.814610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.814610][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.814610][ T72] netlink_unicast+0x449/0x710 [ 4111.814610][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.814610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.814610][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.814610][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.814610][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.814610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.814610][ T72] [ 4111.816346][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4111.816346][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4111.816346][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4111.816346][ T72] ipv6_find_idev+0x102/0x170 [ 4111.816346][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.816346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.816346][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.816346][ T72] netlink_unicast+0x449/0x710 [ 4111.816346][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.816346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.816346][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.816346][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.816346][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.816346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.816346][ T72] [ 4111.818216][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4111.818488][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4111.818488][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.818488][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.818488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.818488][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4111.818488][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4111.818488][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4111.818488][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4111.818488][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4111.818488][ T72] addrconf_dad_begin+0x310/0x670 [ 4111.818488][ T72] addrconf_dad_work+0x10b/0xab0 [ 4111.818488][ T72] process_one_work+0x84d/0x18a0 [ 4111.818488][ T72] worker_thread+0x587/0xd30 [ 4111.818488][ T72] kthread+0x28a/0x350 [ 4111.818488][ T72] ret_from_fork+0x31/0x70 [ 4111.818488][ T72] ret_from_fork_asm+0x1a/0x30 [ 4111.818488][ T72] [ 4111.820660][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4111.820660][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.820660][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.820660][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.820660][ T72] ip6_route_add+0x1c/0x140 [ 4111.820660][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4111.820660][ T72] inet6_addr_add+0x4f8/0xa40 [ 4111.820660][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.820660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.820660][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.820660][ T72] netlink_unicast+0x449/0x710 [ 4111.820660][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.820660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.820660][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.820660][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.820660][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.820660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.820660][ T72] [ 4111.822910][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4111.822910][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.822910][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.822910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.822910][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4111.822910][ T72] ipv6_add_addr+0x411/0x2000 [ 4111.822910][ T72] inet6_addr_add+0x30e/0xa40 [ 4111.822910][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.822910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.822910][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.822910][ T72] netlink_unicast+0x449/0x710 [ 4111.822910][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.822910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.822910][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.822910][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.822910][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.822910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.822910][ T72] [ 4111.825234][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4111.825234][ T72] netdev_get_by_index+0x5e/0x80 [ 4111.825234][ T72] fib6_nh_init+0x3d8/0x1580 [ 4111.825234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4111.825234][ T72] ip6_route_add+0x1c/0x140 [ 4111.825234][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4111.825234][ T72] addrconf_add_dev+0xe2/0x170 [ 4111.825234][ T72] inet6_addr_add+0x12f/0xa40 [ 4111.825234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.825234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.825234][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.825234][ T72] netlink_unicast+0x449/0x710 [ 4111.825234][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.825234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.825234][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.825234][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.825234][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.825234][ T72] [ 4111.827451][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4111.827451][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4111.827451][ T72] ipv6_find_idev+0x102/0x170 [ 4111.827451][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.827451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.827451][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.827451][ T72] netlink_unicast+0x449/0x710 [ 4111.827451][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.827451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.827451][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.827451][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.827451][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.827451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.827451][ T72] [ 4111.829119][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4111.829119][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4111.829119][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4111.829119][ T72] ipv6_find_idev+0x102/0x170 [ 4111.829119][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.829119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.829119][ T72] netlink_rcv_skb+0x130/0x360 [ 4111.829119][ T72] netlink_unicast+0x449/0x710 [ 4111.829119][ T72] netlink_sendmsg+0x723/0xbe0 [ 4111.829119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4111.829119][ T72] ___sys_sendmsg+0xee/0x170 [ 4111.829119][ T72] __sys_sendmsg+0xcd/0x170 [ 4111.829119][ T72] do_syscall_64+0xc6/0x1e0 [ 4111.829119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.829119][ T72] [ 4122.072930][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4122.073435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4122.073435][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4122.073435][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4122.073435][ T72] fib6_nh_init+0xa22/0x1580 [ 4122.073435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.073435][ T72] ip6_route_add+0x1c/0x140 [ 4122.073435][ T72] inet6_rtm_newroute+0x104/0x110 [ 4122.073435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.073435][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.073435][ T72] netlink_unicast+0x449/0x710 [ 4122.073435][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.073435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.073435][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.073435][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.073435][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.073435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.073435][ T72] [ 4122.075357][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4122.075357][ T72] dst_init+0x84/0x4a0 [ 4122.075357][ T72] dst_alloc+0x97/0x150 [ 4122.075357][ T72] ip6_dst_alloc+0x23/0x90 [ 4122.075357][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4122.075357][ T72] ip6_pol_route+0x56f/0x840 [ 4122.075357][ T72] fib6_rule_lookup+0x456/0x630 [ 4122.075357][ T72] ip6_route_input+0x59c/0xa50 [ 4122.075357][ T72] ipv6_rcv+0x397/0x810 [ 4122.075357][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4122.075357][ T72] process_backlog+0x101/0x620 [ 4122.075357][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4122.075357][ T72] net_rx_action+0x495/0xbe0 [ 4122.075357][ T72] __do_softirq+0x1b5/0x7f6 [ 4122.075357][ T72] [ 4122.077014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4122.077014][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.077014][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.077014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.077014][ T72] ip6_route_add+0x1c/0x140 [ 4122.077014][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4122.077014][ T72] inet6_addr_add+0x4f8/0xa40 [ 4122.077014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.077014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.077014][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.077014][ T72] netlink_unicast+0x449/0x710 [ 4122.077014][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.077014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.077014][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.077014][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.077014][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.077014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.077014][ T72] [ 4122.079148][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4122.079148][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.079148][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.079148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.079148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4122.079148][ T72] ipv6_add_addr+0x411/0x2000 [ 4122.079148][ T72] inet6_addr_add+0x30e/0xa40 [ 4122.079148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.079148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.079148][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.079148][ T72] netlink_unicast+0x449/0x710 [ 4122.079148][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.079148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.079148][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.079148][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.079148][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.079148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.079148][ T72] [ 4122.081158][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4122.081158][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.081158][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.081158][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.081158][ T72] ip6_route_add+0x1c/0x140 [ 4122.081158][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4122.081158][ T72] addrconf_add_dev+0xe2/0x170 [ 4122.081158][ T72] inet6_addr_add+0x12f/0xa40 [ 4122.081158][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.081158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.081158][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.081158][ T72] netlink_unicast+0x449/0x710 [ 4122.081158][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.081158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.081158][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.081158][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.081158][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.081158][ T72] [ 4122.083131][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4122.083131][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4122.083131][ T72] ipv6_find_idev+0x102/0x170 [ 4122.083131][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.083131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.083131][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.083131][ T72] netlink_unicast+0x449/0x710 [ 4122.083131][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.083131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.083131][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.083131][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.083131][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.083131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.083131][ T72] [ 4122.084675][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4122.084675][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4122.084675][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4122.084675][ T72] ipv6_find_idev+0x102/0x170 [ 4122.084675][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.084675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.084675][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.084675][ T72] netlink_unicast+0x449/0x710 [ 4122.084675][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.084675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.084675][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.084675][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.084675][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.084675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.084675][ T72] [ 4122.086379][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4122.086658][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4122.086658][ T72] dst_init+0x84/0x4a0 [ 4122.086658][ T72] dst_alloc+0x97/0x150 [ 4122.086658][ T72] ip6_dst_alloc+0x23/0x90 [ 4122.086658][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4122.086658][ T72] ip6_pol_route+0x56f/0x840 [ 4122.086658][ T72] fib6_rule_lookup+0x456/0x630 [ 4122.086658][ T72] ip6_route_input+0x59c/0xa50 [ 4122.086658][ T72] ipv6_rcv+0x397/0x810 [ 4122.086658][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4122.086658][ T72] process_backlog+0x101/0x620 [ 4122.086658][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4122.086658][ T72] net_rx_action+0x495/0xbe0 [ 4122.086658][ T72] __do_softirq+0x1b5/0x7f6 [ 4122.086658][ T72] [ 4122.088308][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4122.088308][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.088308][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.088308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.088308][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4122.088308][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4122.088308][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4122.088308][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4122.088308][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4122.088308][ T72] addrconf_dad_begin+0x310/0x670 [ 4122.088308][ T72] addrconf_dad_work+0x10b/0xab0 [ 4122.088308][ T72] process_one_work+0x84d/0x18a0 [ 4122.088308][ T72] worker_thread+0x587/0xd30 [ 4122.088308][ T72] kthread+0x28a/0x350 [ 4122.088308][ T72] ret_from_fork+0x31/0x70 [ 4122.088308][ T72] ret_from_fork_asm+0x1a/0x30 [ 4122.088308][ T72] [ 4122.090232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4122.090232][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.090232][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.090232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.090232][ T72] ip6_route_add+0x1c/0x140 [ 4122.090232][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4122.090232][ T72] inet6_addr_add+0x4f8/0xa40 [ 4122.090232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.090232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.090232][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.090232][ T72] netlink_unicast+0x449/0x710 [ 4122.090232][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.090232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.090232][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.090232][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.090232][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.090232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.090232][ T72] [ 4122.092251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4122.092251][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.092251][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.092251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.092251][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4122.092251][ T72] ipv6_add_addr+0x411/0x2000 [ 4122.092251][ T72] inet6_addr_add+0x30e/0xa40 [ 4122.092251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.092251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.092251][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.092251][ T72] netlink_unicast+0x449/0x710 [ 4122.092251][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.092251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.092251][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.092251][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.092251][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.092251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.092251][ T72] [ 4122.094258][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4122.094258][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.094258][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.094258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.094258][ T72] ip6_route_add+0x1c/0x140 [ 4122.094258][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4122.094258][ T72] addrconf_add_dev+0xe2/0x170 [ 4122.094258][ T72] inet6_addr_add+0x12f/0xa40 [ 4122.094258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.094258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.094258][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.094258][ T72] netlink_unicast+0x449/0x710 [ 4122.094258][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.094258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.094258][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.094258][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.094258][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.094258][ T72] [ 4122.096231][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4122.096231][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4122.096231][ T72] ipv6_find_idev+0x102/0x170 [ 4122.096231][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.096231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.096231][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.096231][ T72] netlink_unicast+0x449/0x710 [ 4122.096231][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.096231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.096231][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.096231][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.096231][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.096231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.096231][ T72] [ 4122.097769][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4122.097769][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4122.097769][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4122.097769][ T72] ipv6_find_idev+0x102/0x170 [ 4122.097769][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.097769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.097769][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.097769][ T72] netlink_unicast+0x449/0x710 [ 4122.097769][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.097769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.097769][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.097769][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.097769][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.097769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.097769][ T72] [ 4122.099557][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4122.099920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4122.099920][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4122.099920][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4122.099920][ T72] fib6_nh_init+0xa22/0x1580 [ 4122.099920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.099920][ T72] ip6_route_add+0x1c/0x140 [ 4122.099920][ T72] inet6_rtm_newroute+0x104/0x110 [ 4122.099920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.099920][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.099920][ T72] netlink_unicast+0x449/0x710 [ 4122.099920][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.099920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.099920][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.099920][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.099920][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.099920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.099920][ T72] [ 4122.101988][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4122.101988][ T72] dst_init+0x84/0x4a0 [ 4122.101988][ T72] dst_alloc+0x97/0x150 [ 4122.101988][ T72] ip6_dst_alloc+0x23/0x90 [ 4122.101988][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4122.101988][ T72] ip6_pol_route+0x56f/0x840 [ 4122.101988][ T72] fib6_rule_lookup+0x456/0x630 [ 4122.101988][ T72] ip6_route_input+0x59c/0xa50 [ 4122.101988][ T72] ipv6_rcv+0x397/0x810 [ 4122.101988][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4122.101988][ T72] process_backlog+0x101/0x620 [ 4122.101988][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4122.101988][ T72] net_rx_action+0x495/0xbe0 [ 4122.101988][ T72] __do_softirq+0x1b5/0x7f6 [ 4122.101988][ T72] [ 4122.103810][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4122.103810][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.103810][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.103810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.103810][ T72] ip6_route_add+0x1c/0x140 [ 4122.103810][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4122.103810][ T72] inet6_addr_add+0x4f8/0xa40 [ 4122.103810][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.103810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.103810][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.103810][ T72] netlink_unicast+0x449/0x710 [ 4122.103810][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.103810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.103810][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.103810][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.103810][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.103810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.103810][ T72] [ 4122.106052][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4122.106052][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.106052][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.106052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.106052][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4122.106052][ T72] ipv6_add_addr+0x411/0x2000 [ 4122.106052][ T72] inet6_addr_add+0x30e/0xa40 [ 4122.106052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.106052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.106052][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.106052][ T72] netlink_unicast+0x449/0x710 [ 4122.106052][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.106052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.106052][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.106052][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.106052][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.106052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.106052][ T72] [ 4122.108255][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4122.108255][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.108255][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.108255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.108255][ T72] ip6_route_add+0x1c/0x140 [ 4122.108255][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4122.108255][ T72] addrconf_add_dev+0xe2/0x170 [ 4122.108255][ T72] inet6_addr_add+0x12f/0xa40 [ 4122.108255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.108255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.108255][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.108255][ T72] netlink_unicast+0x449/0x710 [ 4122.108255][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.108255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.108255][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.108255][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.108255][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.108255][ T72] [ 4122.110532][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4122.110532][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4122.110532][ T72] ipv6_find_idev+0x102/0x170 [ 4122.110532][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.110532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.110532][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.110532][ T72] netlink_unicast+0x449/0x710 [ 4122.110532][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.110532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.110532][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.110532][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.110532][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.110532][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.110532][ T72] [ 4122.112793][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4122.112793][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4122.112793][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4122.112793][ T72] ipv6_find_idev+0x102/0x170 [ 4122.112793][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.112793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.112793][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.112793][ T72] netlink_unicast+0x449/0x710 [ 4122.112793][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.112793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.112793][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.112793][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.112793][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.112793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.112793][ T72] [ 4122.114665][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4122.115074][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4122.115074][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.115074][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.115074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.115074][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4122.115074][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4122.115074][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4122.115074][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4122.115074][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4122.115074][ T72] addrconf_dad_begin+0x310/0x670 [ 4122.115074][ T72] addrconf_dad_work+0x10b/0xab0 [ 4122.115074][ T72] process_one_work+0x84d/0x18a0 [ 4122.115074][ T72] worker_thread+0x587/0xd30 [ 4122.115074][ T72] kthread+0x28a/0x350 [ 4122.115074][ T72] ret_from_fork+0x31/0x70 [ 4122.115074][ T72] ret_from_fork_asm+0x1a/0x30 [ 4122.115074][ T72] [ 4122.117181][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4122.117181][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.117181][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.117181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.117181][ T72] ip6_route_add+0x1c/0x140 [ 4122.117181][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4122.117181][ T72] inet6_addr_add+0x4f8/0xa40 [ 4122.117181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.117181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.117181][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.117181][ T72] netlink_unicast+0x449/0x710 [ 4122.117181][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.117181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.117181][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.117181][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.117181][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.117181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.117181][ T72] [ 4122.119763][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4122.119763][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.119763][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.119763][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.119763][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4122.119763][ T72] ipv6_add_addr+0x411/0x2000 [ 4122.119763][ T72] inet6_addr_add+0x30e/0xa40 [ 4122.119763][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.119763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.119763][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.119763][ T72] netlink_unicast+0x449/0x710 [ 4122.119763][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.119763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.119763][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.119763][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.119763][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.119763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.119763][ T72] [ 4122.122076][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4122.122076][ T72] netdev_get_by_index+0x5e/0x80 [ 4122.122076][ T72] fib6_nh_init+0x3d8/0x1580 [ 4122.122076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4122.122076][ T72] ip6_route_add+0x1c/0x140 [ 4122.122076][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4122.122076][ T72] addrconf_add_dev+0xe2/0x170 [ 4122.122076][ T72] inet6_addr_add+0x12f/0xa40 [ 4122.122076][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.122076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.122076][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.122076][ T72] netlink_unicast+0x449/0x710 [ 4122.122076][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.122076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.122076][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.122076][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.122076][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.122076][ T72] [ 4122.124285][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4122.124285][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4122.124285][ T72] ipv6_find_idev+0x102/0x170 [ 4122.124285][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.124285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.124285][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.124285][ T72] netlink_unicast+0x449/0x710 [ 4122.124285][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.124285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.124285][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.124285][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.124285][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.124285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.124285][ T72] [ 4122.126015][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4122.126015][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4122.126015][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4122.126015][ T72] ipv6_find_idev+0x102/0x170 [ 4122.126015][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.126015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.126015][ T72] netlink_rcv_skb+0x130/0x360 [ 4122.126015][ T72] netlink_unicast+0x449/0x710 [ 4122.126015][ T72] netlink_sendmsg+0x723/0xbe0 [ 4122.126015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4122.126015][ T72] ___sys_sendmsg+0xee/0x170 [ 4122.126015][ T72] __sys_sendmsg+0xcd/0x170 [ 4122.126015][ T72] do_syscall_64+0xc6/0x1e0 [ 4122.126015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.126015][ T72] [ 4132.368932][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4132.369437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4132.369437][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4132.369437][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4132.369437][ T72] fib6_nh_init+0xa22/0x1580 [ 4132.369437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.369437][ T72] ip6_route_add+0x1c/0x140 [ 4132.369437][ T72] inet6_rtm_newroute+0x104/0x110 [ 4132.369437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.369437][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.369437][ T72] netlink_unicast+0x449/0x710 [ 4132.369437][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.369437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.369437][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.369437][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.369437][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.369437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.369437][ T72] [ 4132.371385][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4132.371385][ T72] dst_init+0x84/0x4a0 [ 4132.371385][ T72] dst_alloc+0x97/0x150 [ 4132.371385][ T72] ip6_dst_alloc+0x23/0x90 [ 4132.371385][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4132.371385][ T72] ip6_pol_route+0x56f/0x840 [ 4132.371385][ T72] fib6_rule_lookup+0x456/0x630 [ 4132.371385][ T72] ip6_route_input+0x59c/0xa50 [ 4132.371385][ T72] ipv6_rcv+0x397/0x810 [ 4132.371385][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4132.371385][ T72] process_backlog+0x101/0x620 [ 4132.371385][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4132.371385][ T72] net_rx_action+0x495/0xbe0 [ 4132.371385][ T72] __do_softirq+0x1b5/0x7f6 [ 4132.371385][ T72] [ 4132.373034][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4132.373034][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.373034][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.373034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.373034][ T72] ip6_route_add+0x1c/0x140 [ 4132.373034][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4132.373034][ T72] inet6_addr_add+0x4f8/0xa40 [ 4132.373034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.373034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.373034][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.373034][ T72] netlink_unicast+0x449/0x710 [ 4132.373034][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.373034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.373034][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.373034][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.373034][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.373034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.373034][ T72] [ 4132.375064][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4132.375064][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.375064][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.375064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.375064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4132.375064][ T72] ipv6_add_addr+0x411/0x2000 [ 4132.375064][ T72] inet6_addr_add+0x30e/0xa40 [ 4132.375064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.375064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.375064][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.375064][ T72] netlink_unicast+0x449/0x710 [ 4132.375064][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.375064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.375064][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.375064][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.375064][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.375064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.375064][ T72] [ 4132.377072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4132.377072][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.377072][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.377072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.377072][ T72] ip6_route_add+0x1c/0x140 [ 4132.377072][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4132.377072][ T72] addrconf_add_dev+0xe2/0x170 [ 4132.377072][ T72] inet6_addr_add+0x12f/0xa40 [ 4132.377072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.377072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.377072][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.377072][ T72] netlink_unicast+0x449/0x710 [ 4132.377072][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.377072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.377072][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.377072][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.377072][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.377072][ T72] [ 4132.379091][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4132.379091][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4132.379091][ T72] ipv6_find_idev+0x102/0x170 [ 4132.379091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.379091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.379091][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.379091][ T72] netlink_unicast+0x449/0x710 [ 4132.379091][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.379091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.379091][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.379091][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.379091][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.379091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.379091][ T72] [ 4132.380644][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4132.380644][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4132.380644][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4132.380644][ T72] ipv6_find_idev+0x102/0x170 [ 4132.380644][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.380644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.380644][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.380644][ T72] netlink_unicast+0x449/0x710 [ 4132.380644][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.380644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.380644][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.380644][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.380644][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.380644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.380644][ T72] [ 4132.382355][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4132.382628][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4132.382628][ T72] dst_init+0x84/0x4a0 [ 4132.382628][ T72] dst_alloc+0x97/0x150 [ 4132.382628][ T72] ip6_dst_alloc+0x23/0x90 [ 4132.382628][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4132.382628][ T72] ip6_pol_route+0x56f/0x840 [ 4132.382628][ T72] fib6_rule_lookup+0x456/0x630 [ 4132.382628][ T72] ip6_route_input+0x59c/0xa50 [ 4132.382628][ T72] ipv6_rcv+0x397/0x810 [ 4132.382628][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4132.382628][ T72] process_backlog+0x101/0x620 [ 4132.382628][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4132.382628][ T72] net_rx_action+0x495/0xbe0 [ 4132.382628][ T72] __do_softirq+0x1b5/0x7f6 [ 4132.382628][ T72] [ 4132.384290][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4132.384290][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.384290][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.384290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.384290][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4132.384290][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4132.384290][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4132.384290][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4132.384290][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4132.384290][ T72] addrconf_dad_begin+0x310/0x670 [ 4132.384290][ T72] addrconf_dad_work+0x10b/0xab0 [ 4132.384290][ T72] process_one_work+0x84d/0x18a0 [ 4132.384290][ T72] worker_thread+0x587/0xd30 [ 4132.384290][ T72] kthread+0x28a/0x350 [ 4132.384290][ T72] ret_from_fork+0x31/0x70 [ 4132.384290][ T72] ret_from_fork_asm+0x1a/0x30 [ 4132.384290][ T72] [ 4132.386209][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4132.386209][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.386209][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.386209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.386209][ T72] ip6_route_add+0x1c/0x140 [ 4132.386209][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4132.386209][ T72] inet6_addr_add+0x4f8/0xa40 [ 4132.386209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.386209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.386209][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.386209][ T72] netlink_unicast+0x449/0x710 [ 4132.386209][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.386209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.386209][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.386209][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.386209][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.386209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.386209][ T72] [ 4132.388232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4132.388232][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.388232][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.388232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.388232][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4132.388232][ T72] ipv6_add_addr+0x411/0x2000 [ 4132.388232][ T72] inet6_addr_add+0x30e/0xa40 [ 4132.388232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.388232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.388232][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.388232][ T72] netlink_unicast+0x449/0x710 [ 4132.388232][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.388232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.388232][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.388232][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.388232][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.388232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.388232][ T72] [ 4132.390257][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4132.390257][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.390257][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.390257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.390257][ T72] ip6_route_add+0x1c/0x140 [ 4132.390257][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4132.390257][ T72] addrconf_add_dev+0xe2/0x170 [ 4132.390257][ T72] inet6_addr_add+0x12f/0xa40 [ 4132.390257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.390257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.390257][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.390257][ T72] netlink_unicast+0x449/0x710 [ 4132.390257][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.390257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.390257][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.390257][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.390257][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.390257][ T72] [ 4132.392235][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4132.392235][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4132.392235][ T72] ipv6_find_idev+0x102/0x170 [ 4132.392235][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.392235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.392235][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.392235][ T72] netlink_unicast+0x449/0x710 [ 4132.392235][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.392235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.392235][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.392235][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.392235][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.392235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.392235][ T72] [ 4132.393785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4132.393785][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4132.393785][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4132.393785][ T72] ipv6_find_idev+0x102/0x170 [ 4132.393785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.393785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.393785][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.393785][ T72] netlink_unicast+0x449/0x710 [ 4132.393785][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.393785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.393785][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.393785][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.393785][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.393785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.393785][ T72] [ 4132.395627][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4132.395966][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4132.395966][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4132.395966][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4132.395966][ T72] fib6_nh_init+0xa22/0x1580 [ 4132.395966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.395966][ T72] ip6_route_add+0x1c/0x140 [ 4132.395966][ T72] inet6_rtm_newroute+0x104/0x110 [ 4132.395966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.395966][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.395966][ T72] netlink_unicast+0x449/0x710 [ 4132.395966][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.395966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.395966][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.395966][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.395966][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.395966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.395966][ T72] [ 4132.398038][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4132.398038][ T72] dst_init+0x84/0x4a0 [ 4132.398038][ T72] dst_alloc+0x97/0x150 [ 4132.398038][ T72] ip6_dst_alloc+0x23/0x90 [ 4132.398038][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4132.398038][ T72] ip6_pol_route+0x56f/0x840 [ 4132.398038][ T72] fib6_rule_lookup+0x456/0x630 [ 4132.398038][ T72] ip6_route_input+0x59c/0xa50 [ 4132.398038][ T72] ipv6_rcv+0x397/0x810 [ 4132.398038][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4132.398038][ T72] process_backlog+0x101/0x620 [ 4132.398038][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4132.398038][ T72] net_rx_action+0x495/0xbe0 [ 4132.398038][ T72] __do_softirq+0x1b5/0x7f6 [ 4132.398038][ T72] [ 4132.399871][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4132.399871][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.399871][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.399871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.399871][ T72] ip6_route_add+0x1c/0x140 [ 4132.399871][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4132.399871][ T72] inet6_addr_add+0x4f8/0xa40 [ 4132.399871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.399871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.399871][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.399871][ T72] netlink_unicast+0x449/0x710 [ 4132.399871][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.399871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.399871][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.399871][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.399871][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.399871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.399871][ T72] [ 4132.402184][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4132.402184][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.402184][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.402184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.402184][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4132.402184][ T72] ipv6_add_addr+0x411/0x2000 [ 4132.402184][ T72] inet6_addr_add+0x30e/0xa40 [ 4132.402184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.402184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.402184][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.402184][ T72] netlink_unicast+0x449/0x710 [ 4132.402184][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.402184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.402184][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.402184][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.402184][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.402184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.402184][ T72] [ 4132.404439][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4132.404439][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.404439][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.404439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.404439][ T72] ip6_route_add+0x1c/0x140 [ 4132.404439][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4132.404439][ T72] addrconf_add_dev+0xe2/0x170 [ 4132.404439][ T72] inet6_addr_add+0x12f/0xa40 [ 4132.404439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.404439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.404439][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.404439][ T72] netlink_unicast+0x449/0x710 [ 4132.404439][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.404439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.404439][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.404439][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.404439][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.404439][ T72] [ 4132.406648][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4132.406648][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4132.406648][ T72] ipv6_find_idev+0x102/0x170 [ 4132.406648][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.406648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.406648][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.406648][ T72] netlink_unicast+0x449/0x710 [ 4132.406648][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.406648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.406648][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.406648][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.406648][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.406648][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.406648][ T72] [ 4132.408371][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4132.408371][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4132.408371][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4132.408371][ T72] ipv6_find_idev+0x102/0x170 [ 4132.408371][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.408371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.408371][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.408371][ T72] netlink_unicast+0x449/0x710 [ 4132.408371][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.408371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.408371][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.408371][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.408371][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.408371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.408371][ T72] [ 4132.410259][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4132.410532][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4132.410532][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.410532][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.410532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.410532][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4132.410532][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4132.410532][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4132.410532][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4132.410532][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4132.410532][ T72] addrconf_dad_begin+0x310/0x670 [ 4132.410532][ T72] addrconf_dad_work+0x10b/0xab0 [ 4132.410532][ T72] process_one_work+0x84d/0x18a0 [ 4132.410532][ T72] worker_thread+0x587/0xd30 [ 4132.410532][ T72] kthread+0x28a/0x350 [ 4132.410532][ T72] ret_from_fork+0x31/0x70 [ 4132.410532][ T72] ret_from_fork_asm+0x1a/0x30 [ 4132.410532][ T72] [ 4132.412760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4132.412760][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.412760][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.412760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.412760][ T72] ip6_route_add+0x1c/0x140 [ 4132.412760][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4132.412760][ T72] inet6_addr_add+0x4f8/0xa40 [ 4132.412760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.412760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.412760][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.412760][ T72] netlink_unicast+0x449/0x710 [ 4132.412760][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.412760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.412760][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.412760][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.412760][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.412760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.412760][ T72] [ 4132.415011][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4132.415011][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.415011][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.415011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.415011][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4132.415011][ T72] ipv6_add_addr+0x411/0x2000 [ 4132.415011][ T72] inet6_addr_add+0x30e/0xa40 [ 4132.415011][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.415011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.415011][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.415011][ T72] netlink_unicast+0x449/0x710 [ 4132.415011][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.415011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.415011][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.415011][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.415011][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.415011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.415011][ T72] [ 4132.417262][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4132.417262][ T72] netdev_get_by_index+0x5e/0x80 [ 4132.417262][ T72] fib6_nh_init+0x3d8/0x1580 [ 4132.417262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4132.417262][ T72] ip6_route_add+0x1c/0x140 [ 4132.417262][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4132.417262][ T72] addrconf_add_dev+0xe2/0x170 [ 4132.417262][ T72] inet6_addr_add+0x12f/0xa40 [ 4132.417262][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.417262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.417262][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.417262][ T72] netlink_unicast+0x449/0x710 [ 4132.417262][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.417262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.417262][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.417262][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.417262][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.417262][ T72] [ 4132.419441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4132.419441][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4132.419441][ T72] ipv6_find_idev+0x102/0x170 [ 4132.419441][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.419441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.419441][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.419441][ T72] netlink_unicast+0x449/0x710 [ 4132.419441][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.419441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.419441][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.419441][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.419441][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.419441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.419441][ T72] [ 4132.421229][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4132.421229][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4132.421229][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4132.421229][ T72] ipv6_find_idev+0x102/0x170 [ 4132.421229][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.421229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.421229][ T72] netlink_rcv_skb+0x130/0x360 [ 4132.421229][ T72] netlink_unicast+0x449/0x710 [ 4132.421229][ T72] netlink_sendmsg+0x723/0xbe0 [ 4132.421229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4132.421229][ T72] ___sys_sendmsg+0xee/0x170 [ 4132.421229][ T72] __sys_sendmsg+0xcd/0x170 [ 4132.421229][ T72] do_syscall_64+0xc6/0x1e0 [ 4132.421229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.421229][ T72] [ 4142.841054][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4142.841575][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4142.841575][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4142.841575][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4142.841575][ T72] fib6_nh_init+0xa22/0x1580 [ 4142.841575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.841575][ T72] ip6_route_add+0x1c/0x140 [ 4142.841575][ T72] inet6_rtm_newroute+0x104/0x110 [ 4142.841575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.841575][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.841575][ T72] netlink_unicast+0x449/0x710 [ 4142.841575][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.841575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.841575][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.841575][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.841575][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.841575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.841575][ T72] [ 4142.843731][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4142.843731][ T72] dst_init+0x84/0x4a0 [ 4142.843731][ T72] dst_alloc+0x97/0x150 [ 4142.843731][ T72] ip6_dst_alloc+0x23/0x90 [ 4142.843731][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4142.843731][ T72] ip6_pol_route+0x56f/0x840 [ 4142.843731][ T72] fib6_rule_lookup+0x456/0x630 [ 4142.843731][ T72] ip6_route_input+0x59c/0xa50 [ 4142.843731][ T72] ipv6_rcv+0x397/0x810 [ 4142.843731][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4142.843731][ T72] process_backlog+0x101/0x620 [ 4142.843731][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4142.843731][ T72] net_rx_action+0x495/0xbe0 [ 4142.843731][ T72] __do_softirq+0x1b5/0x7f6 [ 4142.843731][ T72] [ 4142.845600][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4142.845600][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.845600][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.845600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.845600][ T72] ip6_route_add+0x1c/0x140 [ 4142.845600][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4142.845600][ T72] inet6_addr_add+0x4f8/0xa40 [ 4142.845600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.845600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.845600][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.845600][ T72] netlink_unicast+0x449/0x710 [ 4142.845600][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.845600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.845600][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.845600][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.845600][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.845600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.845600][ T72] [ 4142.847889][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4142.847889][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.847889][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.847889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.847889][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4142.847889][ T72] ipv6_add_addr+0x411/0x2000 [ 4142.847889][ T72] inet6_addr_add+0x30e/0xa40 [ 4142.847889][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.847889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.847889][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.847889][ T72] netlink_unicast+0x449/0x710 [ 4142.847889][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.847889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.847889][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.847889][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.847889][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.847889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.847889][ T72] [ 4142.850181][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4142.850181][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.850181][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.850181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.850181][ T72] ip6_route_add+0x1c/0x140 [ 4142.850181][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4142.850181][ T72] addrconf_add_dev+0xe2/0x170 [ 4142.850181][ T72] inet6_addr_add+0x12f/0xa40 [ 4142.850181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.850181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.850181][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.850181][ T72] netlink_unicast+0x449/0x710 [ 4142.850181][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.850181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.850181][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.850181][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.850181][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.850181][ T72] [ 4142.852417][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4142.852417][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4142.852417][ T72] ipv6_find_idev+0x102/0x170 [ 4142.852417][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.852417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.852417][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.852417][ T72] netlink_unicast+0x449/0x710 [ 4142.852417][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.852417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.852417][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.852417][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.852417][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.852417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.852417][ T72] [ 4142.854171][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4142.854171][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4142.854171][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4142.854171][ T72] ipv6_find_idev+0x102/0x170 [ 4142.854171][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.854171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.854171][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.854171][ T72] netlink_unicast+0x449/0x710 [ 4142.854171][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.854171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.854171][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.854171][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.854171][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.854171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.854171][ T72] [ 4142.856119][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4142.856423][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4142.856423][ T72] dst_init+0x84/0x4a0 [ 4142.856423][ T72] dst_alloc+0x97/0x150 [ 4142.856423][ T72] ip6_dst_alloc+0x23/0x90 [ 4142.856423][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4142.856423][ T72] ip6_pol_route+0x56f/0x840 [ 4142.856423][ T72] fib6_rule_lookup+0x456/0x630 [ 4142.856423][ T72] ip6_route_input+0x59c/0xa50 [ 4142.856423][ T72] ipv6_rcv+0x397/0x810 [ 4142.856423][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4142.856423][ T72] process_backlog+0x101/0x620 [ 4142.856423][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4142.856423][ T72] net_rx_action+0x495/0xbe0 [ 4142.856423][ T72] __do_softirq+0x1b5/0x7f6 [ 4142.856423][ T72] [ 4142.858302][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4142.858302][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.858302][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.858302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.858302][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4142.858302][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4142.858302][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4142.858302][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4142.858302][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4142.858302][ T72] addrconf_dad_begin+0x310/0x670 [ 4142.858302][ T72] addrconf_dad_work+0x10b/0xab0 [ 4142.858302][ T72] process_one_work+0x84d/0x18a0 [ 4142.858302][ T72] worker_thread+0x587/0xd30 [ 4142.858302][ T72] kthread+0x28a/0x350 [ 4142.858302][ T72] ret_from_fork+0x31/0x70 [ 4142.858302][ T72] ret_from_fork_asm+0x1a/0x30 [ 4142.858302][ T72] [ 4142.860487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4142.860487][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.860487][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.860487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.860487][ T72] ip6_route_add+0x1c/0x140 [ 4142.860487][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4142.860487][ T72] inet6_addr_add+0x4f8/0xa40 [ 4142.860487][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.860487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.860487][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.860487][ T72] netlink_unicast+0x449/0x710 [ 4142.860487][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.860487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.860487][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.860487][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.860487][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.860487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.860487][ T72] [ 4142.862779][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4142.862779][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.862779][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.862779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.862779][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4142.862779][ T72] ipv6_add_addr+0x411/0x2000 [ 4142.862779][ T72] inet6_addr_add+0x30e/0xa40 [ 4142.862779][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.862779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.862779][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.862779][ T72] netlink_unicast+0x449/0x710 [ 4142.862779][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.862779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.862779][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.862779][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.862779][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.862779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.862779][ T72] [ 4142.865172][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4142.865172][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.865172][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.865172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.865172][ T72] ip6_route_add+0x1c/0x140 [ 4142.865172][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4142.865172][ T72] addrconf_add_dev+0xe2/0x170 [ 4142.865172][ T72] inet6_addr_add+0x12f/0xa40 [ 4142.865172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.865172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.865172][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.865172][ T72] netlink_unicast+0x449/0x710 [ 4142.865172][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.865172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.865172][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.865172][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.865172][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.865172][ T72] [ 4142.867406][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4142.867406][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4142.867406][ T72] ipv6_find_idev+0x102/0x170 [ 4142.867406][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.867406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.867406][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.867406][ T72] netlink_unicast+0x449/0x710 [ 4142.867406][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.867406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.867406][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.867406][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.867406][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.867406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.867406][ T72] [ 4142.869169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4142.869169][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4142.869169][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4142.869169][ T72] ipv6_find_idev+0x102/0x170 [ 4142.869169][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.869169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.869169][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.869169][ T72] netlink_unicast+0x449/0x710 [ 4142.869169][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.869169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.869169][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.869169][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.869169][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.869169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.869169][ T72] [ 4142.871148][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4142.871447][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4142.871447][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4142.871447][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4142.871447][ T72] fib6_nh_init+0xa22/0x1580 [ 4142.871447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.871447][ T72] ip6_route_add+0x1c/0x140 [ 4142.871447][ T72] inet6_rtm_newroute+0x104/0x110 [ 4142.871447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.871447][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.871447][ T72] netlink_unicast+0x449/0x710 [ 4142.871447][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.871447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.871447][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.871447][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.871447][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.871447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.871447][ T72] [ 4142.873844][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4142.873844][ T72] dst_init+0x84/0x4a0 [ 4142.873844][ T72] dst_alloc+0x97/0x150 [ 4142.873844][ T72] ip6_dst_alloc+0x23/0x90 [ 4142.873844][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4142.873844][ T72] ip6_pol_route+0x56f/0x840 [ 4142.873844][ T72] fib6_rule_lookup+0x456/0x630 [ 4142.873844][ T72] ip6_route_input+0x59c/0xa50 [ 4142.873844][ T72] ipv6_rcv+0x397/0x810 [ 4142.873844][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4142.873844][ T72] process_backlog+0x101/0x620 [ 4142.873844][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4142.873844][ T72] net_rx_action+0x495/0xbe0 [ 4142.873844][ T72] __do_softirq+0x1b5/0x7f6 [ 4142.873844][ T72] [ 4142.875872][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4142.875872][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.875872][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.875872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.875872][ T72] ip6_route_add+0x1c/0x140 [ 4142.875872][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4142.875872][ T72] inet6_addr_add+0x4f8/0xa40 [ 4142.875872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.875872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.875872][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.875872][ T72] netlink_unicast+0x449/0x710 [ 4142.875872][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.875872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.875872][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.875872][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.875872][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.875872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.875872][ T72] [ 4142.878315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4142.878315][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.878315][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.878315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.878315][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4142.878315][ T72] ipv6_add_addr+0x411/0x2000 [ 4142.878315][ T72] inet6_addr_add+0x30e/0xa40 [ 4142.878315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.878315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.878315][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.878315][ T72] netlink_unicast+0x449/0x710 [ 4142.878315][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.878315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.878315][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.878315][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.878315][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.878315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.878315][ T72] [ 4142.880654][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4142.880654][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.880654][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.880654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.880654][ T72] ip6_route_add+0x1c/0x140 [ 4142.880654][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4142.880654][ T72] addrconf_add_dev+0xe2/0x170 [ 4142.880654][ T72] inet6_addr_add+0x12f/0xa40 [ 4142.880654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.880654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.880654][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.880654][ T72] netlink_unicast+0x449/0x710 [ 4142.880654][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.880654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.880654][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.880654][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.880654][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.880654][ T72] [ 4142.883044][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4142.883044][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4142.883044][ T72] ipv6_find_idev+0x102/0x170 [ 4142.883044][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.883044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.883044][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.883044][ T72] netlink_unicast+0x449/0x710 [ 4142.883044][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.883044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.883044][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.883044][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.883044][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.883044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.883044][ T72] [ 4142.885008][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4142.885008][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4142.885008][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4142.885008][ T72] ipv6_find_idev+0x102/0x170 [ 4142.885008][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.885008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.885008][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.885008][ T72] netlink_unicast+0x449/0x710 [ 4142.885008][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.885008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.885008][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.885008][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.885008][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.885008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.885008][ T72] [ 4142.887385][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4142.887772][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4142.887772][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.887772][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.887772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.887772][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4142.887772][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4142.887772][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4142.887772][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4142.887772][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4142.887772][ T72] addrconf_dad_begin+0x310/0x670 [ 4142.887772][ T72] addrconf_dad_work+0x10b/0xab0 [ 4142.887772][ T72] process_one_work+0x84d/0x18a0 [ 4142.887772][ T72] worker_thread+0x587/0xd30 [ 4142.887772][ T72] kthread+0x28a/0x350 [ 4142.887772][ T72] ret_from_fork+0x31/0x70 [ 4142.887772][ T72] ret_from_fork_asm+0x1a/0x30 [ 4142.887772][ T72] [ 4142.890018][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4142.890018][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.890018][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.890018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.890018][ T72] ip6_route_add+0x1c/0x140 [ 4142.890018][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4142.890018][ T72] inet6_addr_add+0x4f8/0xa40 [ 4142.890018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.890018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.890018][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.890018][ T72] netlink_unicast+0x449/0x710 [ 4142.890018][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.890018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.890018][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.890018][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.890018][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.890018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.890018][ T72] [ 4142.892428][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4142.892428][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.892428][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.892428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.892428][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4142.892428][ T72] ipv6_add_addr+0x411/0x2000 [ 4142.892428][ T72] inet6_addr_add+0x30e/0xa40 [ 4142.892428][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.892428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.892428][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.892428][ T72] netlink_unicast+0x449/0x710 [ 4142.892428][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.892428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.892428][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.892428][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.892428][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.892428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.892428][ T72] [ 4142.894842][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4142.894842][ T72] netdev_get_by_index+0x5e/0x80 [ 4142.894842][ T72] fib6_nh_init+0x3d8/0x1580 [ 4142.894842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4142.894842][ T72] ip6_route_add+0x1c/0x140 [ 4142.894842][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4142.894842][ T72] addrconf_add_dev+0xe2/0x170 [ 4142.894842][ T72] inet6_addr_add+0x12f/0xa40 [ 4142.894842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.894842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.894842][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.894842][ T72] netlink_unicast+0x449/0x710 [ 4142.894842][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.894842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.894842][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.894842][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.894842][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.894842][ T72] [ 4142.897226][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4142.897226][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4142.897226][ T72] ipv6_find_idev+0x102/0x170 [ 4142.897226][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.897226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.897226][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.897226][ T72] netlink_unicast+0x449/0x710 [ 4142.897226][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.897226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.897226][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.897226][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.897226][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.897226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.897226][ T72] [ 4142.899127][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4142.899127][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4142.899127][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4142.899127][ T72] ipv6_find_idev+0x102/0x170 [ 4142.899127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.899127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.899127][ T72] netlink_rcv_skb+0x130/0x360 [ 4142.899127][ T72] netlink_unicast+0x449/0x710 [ 4142.899127][ T72] netlink_sendmsg+0x723/0xbe0 [ 4142.899127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4142.899127][ T72] ___sys_sendmsg+0xee/0x170 [ 4142.899127][ T72] __sys_sendmsg+0xcd/0x170 [ 4142.899127][ T72] do_syscall_64+0xc6/0x1e0 [ 4142.899127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.899127][ T72] [ 4153.152903][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4153.153383][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4153.153383][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4153.153383][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4153.153383][ T72] fib6_nh_init+0xa22/0x1580 [ 4153.153383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.153383][ T72] ip6_route_add+0x1c/0x140 [ 4153.153383][ T72] inet6_rtm_newroute+0x104/0x110 [ 4153.153383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.153383][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.153383][ T72] netlink_unicast+0x449/0x710 [ 4153.153383][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.153383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.153383][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.153383][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.153383][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.153383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.153383][ T72] [ 4153.155536][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4153.155536][ T72] dst_init+0x84/0x4a0 [ 4153.155536][ T72] dst_alloc+0x97/0x150 [ 4153.155536][ T72] ip6_dst_alloc+0x23/0x90 [ 4153.155536][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4153.155536][ T72] ip6_pol_route+0x56f/0x840 [ 4153.155536][ T72] fib6_rule_lookup+0x456/0x630 [ 4153.155536][ T72] ip6_route_input+0x59c/0xa50 [ 4153.155536][ T72] ipv6_rcv+0x397/0x810 [ 4153.155536][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4153.155536][ T72] process_backlog+0x101/0x620 [ 4153.155536][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4153.155536][ T72] net_rx_action+0x495/0xbe0 [ 4153.155536][ T72] __do_softirq+0x1b5/0x7f6 [ 4153.155536][ T72] [ 4153.157399][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4153.157399][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.157399][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.157399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.157399][ T72] ip6_route_add+0x1c/0x140 [ 4153.157399][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4153.157399][ T72] inet6_addr_add+0x4f8/0xa40 [ 4153.157399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.157399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.157399][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.157399][ T72] netlink_unicast+0x449/0x710 [ 4153.157399][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.157399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.157399][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.157399][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.157399][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.157399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.157399][ T72] [ 4153.159677][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4153.159677][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.159677][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.159677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.159677][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4153.159677][ T72] ipv6_add_addr+0x411/0x2000 [ 4153.159677][ T72] inet6_addr_add+0x30e/0xa40 [ 4153.159677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.159677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.159677][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.159677][ T72] netlink_unicast+0x449/0x710 [ 4153.159677][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.159677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.159677][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.159677][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.159677][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.159677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.159677][ T72] [ 4153.161959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4153.161959][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.161959][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.161959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.161959][ T72] ip6_route_add+0x1c/0x140 [ 4153.161959][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4153.161959][ T72] addrconf_add_dev+0xe2/0x170 [ 4153.161959][ T72] inet6_addr_add+0x12f/0xa40 [ 4153.161959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.161959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.161959][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.161959][ T72] netlink_unicast+0x449/0x710 [ 4153.161959][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.161959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.161959][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.161959][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.161959][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.161959][ T72] [ 4153.164203][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4153.164203][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4153.164203][ T72] ipv6_find_idev+0x102/0x170 [ 4153.164203][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.164203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.164203][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.164203][ T72] netlink_unicast+0x449/0x710 [ 4153.164203][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.164203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.164203][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.164203][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.164203][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.164203][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.164203][ T72] [ 4153.165933][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4153.165933][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4153.165933][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4153.165933][ T72] ipv6_find_idev+0x102/0x170 [ 4153.165933][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.165933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.165933][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.165933][ T72] netlink_unicast+0x449/0x710 [ 4153.165933][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.165933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.165933][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.165933][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.165933][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.165933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.165933][ T72] [ 4153.167860][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4153.168163][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4153.168163][ T72] dst_init+0x84/0x4a0 [ 4153.168163][ T72] dst_alloc+0x97/0x150 [ 4153.168163][ T72] ip6_dst_alloc+0x23/0x90 [ 4153.168163][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4153.168163][ T72] ip6_pol_route+0x56f/0x840 [ 4153.168163][ T72] fib6_rule_lookup+0x456/0x630 [ 4153.168163][ T72] ip6_route_input+0x59c/0xa50 [ 4153.168163][ T72] ipv6_rcv+0x397/0x810 [ 4153.168163][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4153.168163][ T72] process_backlog+0x101/0x620 [ 4153.168163][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4153.168163][ T72] net_rx_action+0x495/0xbe0 [ 4153.168163][ T72] __do_softirq+0x1b5/0x7f6 [ 4153.168163][ T72] [ 4153.170034][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4153.170034][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.170034][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.170034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.170034][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4153.170034][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4153.170034][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4153.170034][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4153.170034][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4153.170034][ T72] addrconf_dad_begin+0x310/0x670 [ 4153.170034][ T72] addrconf_dad_work+0x10b/0xab0 [ 4153.170034][ T72] process_one_work+0x84d/0x18a0 [ 4153.170034][ T72] worker_thread+0x587/0xd30 [ 4153.170034][ T72] kthread+0x28a/0x350 [ 4153.170034][ T72] ret_from_fork+0x31/0x70 [ 4153.170034][ T72] ret_from_fork_asm+0x1a/0x30 [ 4153.170034][ T72] [ 4153.172220][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4153.172220][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.172220][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.172220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.172220][ T72] ip6_route_add+0x1c/0x140 [ 4153.172220][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4153.172220][ T72] inet6_addr_add+0x4f8/0xa40 [ 4153.172220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.172220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.172220][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.172220][ T72] netlink_unicast+0x449/0x710 [ 4153.172220][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.172220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.172220][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.172220][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.172220][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.172220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.172220][ T72] [ 4153.174512][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4153.174512][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.174512][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.174512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.174512][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4153.174512][ T72] ipv6_add_addr+0x411/0x2000 [ 4153.174512][ T72] inet6_addr_add+0x30e/0xa40 [ 4153.174512][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.174512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.174512][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.174512][ T72] netlink_unicast+0x449/0x710 [ 4153.174512][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.174512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.174512][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.174512][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.174512][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.174512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.174512][ T72] [ 4153.176784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4153.176784][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.176784][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.176784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.176784][ T72] ip6_route_add+0x1c/0x140 [ 4153.176784][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4153.176784][ T72] addrconf_add_dev+0xe2/0x170 [ 4153.176784][ T72] inet6_addr_add+0x12f/0xa40 [ 4153.176784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.176784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.176784][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.176784][ T72] netlink_unicast+0x449/0x710 [ 4153.176784][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.176784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.176784][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.176784][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.176784][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.176784][ T72] [ 4153.179005][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4153.179005][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4153.179005][ T72] ipv6_find_idev+0x102/0x170 [ 4153.179005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.179005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.179005][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.179005][ T72] netlink_unicast+0x449/0x710 [ 4153.179005][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.179005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.179005][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.179005][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.179005][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.179005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.179005][ T72] [ 4153.180764][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4153.180764][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4153.180764][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4153.180764][ T72] ipv6_find_idev+0x102/0x170 [ 4153.180764][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.180764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.180764][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.180764][ T72] netlink_unicast+0x449/0x710 [ 4153.180764][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.180764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.180764][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.180764][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.180764][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.180764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.180764][ T72] [ 4153.182816][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4153.183122][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4153.183122][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4153.183122][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4153.183122][ T72] fib6_nh_init+0xa22/0x1580 [ 4153.183122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.183122][ T72] ip6_route_add+0x1c/0x140 [ 4153.183122][ T72] inet6_rtm_newroute+0x104/0x110 [ 4153.183122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.183122][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.183122][ T72] netlink_unicast+0x449/0x710 [ 4153.183122][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.183122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.183122][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.183122][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.183122][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.183122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.183122][ T72] [ 4153.185558][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4153.185558][ T72] dst_init+0x84/0x4a0 [ 4153.185558][ T72] dst_alloc+0x97/0x150 [ 4153.185558][ T72] ip6_dst_alloc+0x23/0x90 [ 4153.185558][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4153.185558][ T72] ip6_pol_route+0x56f/0x840 [ 4153.185558][ T72] fib6_rule_lookup+0x456/0x630 [ 4153.185558][ T72] ip6_route_input+0x59c/0xa50 [ 4153.185558][ T72] ipv6_rcv+0x397/0x810 [ 4153.185558][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4153.185558][ T72] process_backlog+0x101/0x620 [ 4153.185558][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4153.185558][ T72] net_rx_action+0x495/0xbe0 [ 4153.185558][ T72] __do_softirq+0x1b5/0x7f6 [ 4153.185558][ T72] [ 4153.187592][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4153.187592][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.187592][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.187592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.187592][ T72] ip6_route_add+0x1c/0x140 [ 4153.187592][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4153.187592][ T72] inet6_addr_add+0x4f8/0xa40 [ 4153.187592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.187592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.187592][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.187592][ T72] netlink_unicast+0x449/0x710 [ 4153.187592][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.187592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.187592][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.187592][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.187592][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.187592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.187592][ T72] [ 4153.190126][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4153.190126][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.190126][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.190126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.190126][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4153.190126][ T72] ipv6_add_addr+0x411/0x2000 [ 4153.190126][ T72] inet6_addr_add+0x30e/0xa40 [ 4153.190126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.190126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.190126][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.190126][ T72] netlink_unicast+0x449/0x710 [ 4153.190126][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.190126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.190126][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.190126][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.190126][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.190126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.190126][ T72] [ 4153.192574][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4153.192574][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.192574][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.192574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.192574][ T72] ip6_route_add+0x1c/0x140 [ 4153.192574][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4153.192574][ T72] addrconf_add_dev+0xe2/0x170 [ 4153.192574][ T72] inet6_addr_add+0x12f/0xa40 [ 4153.192574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.192574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.192574][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.192574][ T72] netlink_unicast+0x449/0x710 [ 4153.192574][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.192574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.192574][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.192574][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.192574][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.192574][ T72] [ 4153.195089][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4153.195089][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4153.195089][ T72] ipv6_find_idev+0x102/0x170 [ 4153.195089][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.195089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.195089][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.195089][ T72] netlink_unicast+0x449/0x710 [ 4153.195089][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.195089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.195089][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.195089][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.195089][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.195089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.195089][ T72] [ 4153.197035][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4153.197035][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4153.197035][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4153.197035][ T72] ipv6_find_idev+0x102/0x170 [ 4153.197035][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.197035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.197035][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.197035][ T72] netlink_unicast+0x449/0x710 [ 4153.197035][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.197035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.197035][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.197035][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.197035][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.197035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.197035][ T72] [ 4153.199145][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4153.199522][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4153.199522][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.199522][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.199522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.199522][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4153.199522][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4153.199522][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4153.199522][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4153.199522][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4153.199522][ T72] addrconf_dad_begin+0x310/0x670 [ 4153.199522][ T72] addrconf_dad_work+0x10b/0xab0 [ 4153.199522][ T72] process_one_work+0x84d/0x18a0 [ 4153.199522][ T72] worker_thread+0x587/0xd30 [ 4153.199522][ T72] kthread+0x28a/0x350 [ 4153.199522][ T72] ret_from_fork+0x31/0x70 [ 4153.199522][ T72] ret_from_fork_asm+0x1a/0x30 [ 4153.199522][ T72] [ 4153.202318][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4153.202318][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.202318][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.202318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.202318][ T72] ip6_route_add+0x1c/0x140 [ 4153.202318][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4153.202318][ T72] inet6_addr_add+0x4f8/0xa40 [ 4153.202318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.202318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.202318][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.202318][ T72] netlink_unicast+0x449/0x710 [ 4153.202318][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.202318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.202318][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.202318][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.202318][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.202318][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.202318][ T72] [ 4153.204823][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4153.204823][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.204823][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.204823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.204823][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4153.204823][ T72] ipv6_add_addr+0x411/0x2000 [ 4153.204823][ T72] inet6_addr_add+0x30e/0xa40 [ 4153.204823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.204823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.204823][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.204823][ T72] netlink_unicast+0x449/0x710 [ 4153.204823][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.204823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.204823][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.204823][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.204823][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.204823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.204823][ T72] [ 4153.207402][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4153.207402][ T72] netdev_get_by_index+0x5e/0x80 [ 4153.207402][ T72] fib6_nh_init+0x3d8/0x1580 [ 4153.207402][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4153.207402][ T72] ip6_route_add+0x1c/0x140 [ 4153.207402][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4153.207402][ T72] addrconf_add_dev+0xe2/0x170 [ 4153.207402][ T72] inet6_addr_add+0x12f/0xa40 [ 4153.207402][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.207402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.207402][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.207402][ T72] netlink_unicast+0x449/0x710 [ 4153.207402][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.207402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.207402][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.207402][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.207402][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.207402][ T72] [ 4153.209897][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4153.209897][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4153.209897][ T72] ipv6_find_idev+0x102/0x170 [ 4153.209897][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.209897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.209897][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.209897][ T72] netlink_unicast+0x449/0x710 [ 4153.209897][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.209897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.209897][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.209897][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.209897][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.209897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.209897][ T72] [ 4153.211821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4153.211821][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4153.211821][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4153.211821][ T72] ipv6_find_idev+0x102/0x170 [ 4153.211821][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.211821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.211821][ T72] netlink_rcv_skb+0x130/0x360 [ 4153.211821][ T72] netlink_unicast+0x449/0x710 [ 4153.211821][ T72] netlink_sendmsg+0x723/0xbe0 [ 4153.211821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4153.211821][ T72] ___sys_sendmsg+0xee/0x170 [ 4153.211821][ T72] __sys_sendmsg+0xcd/0x170 [ 4153.211821][ T72] do_syscall_64+0xc6/0x1e0 [ 4153.211821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.211821][ T72] [ 4163.352909][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4163.353403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4163.353403][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4163.353403][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4163.353403][ T72] fib6_nh_init+0xa22/0x1580 [ 4163.353403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.353403][ T72] ip6_route_add+0x1c/0x140 [ 4163.353403][ T72] inet6_rtm_newroute+0x104/0x110 [ 4163.353403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.353403][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.353403][ T72] netlink_unicast+0x449/0x710 [ 4163.353403][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.353403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.353403][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.353403][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.353403][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.353403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.353403][ T72] [ 4163.355540][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4163.355540][ T72] dst_init+0x84/0x4a0 [ 4163.355540][ T72] dst_alloc+0x97/0x150 [ 4163.355540][ T72] ip6_dst_alloc+0x23/0x90 [ 4163.355540][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4163.355540][ T72] ip6_pol_route+0x56f/0x840 [ 4163.355540][ T72] fib6_rule_lookup+0x456/0x630 [ 4163.355540][ T72] ip6_route_input+0x59c/0xa50 [ 4163.355540][ T72] ipv6_rcv+0x397/0x810 [ 4163.355540][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4163.355540][ T72] process_backlog+0x101/0x620 [ 4163.355540][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4163.355540][ T72] net_rx_action+0x495/0xbe0 [ 4163.355540][ T72] __do_softirq+0x1b5/0x7f6 [ 4163.355540][ T72] [ 4163.357410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4163.357410][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.357410][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.357410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.357410][ T72] ip6_route_add+0x1c/0x140 [ 4163.357410][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4163.357410][ T72] inet6_addr_add+0x4f8/0xa40 [ 4163.357410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.357410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.357410][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.357410][ T72] netlink_unicast+0x449/0x710 [ 4163.357410][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.357410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.357410][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.357410][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.357410][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.357410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.357410][ T72] [ 4163.359681][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4163.359681][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.359681][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.359681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.359681][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4163.359681][ T72] ipv6_add_addr+0x411/0x2000 [ 4163.359681][ T72] inet6_addr_add+0x30e/0xa40 [ 4163.359681][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.359681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.359681][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.359681][ T72] netlink_unicast+0x449/0x710 [ 4163.359681][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.359681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.359681][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.359681][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.359681][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.359681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.359681][ T72] [ 4163.361927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4163.361927][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.361927][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.361927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.361927][ T72] ip6_route_add+0x1c/0x140 [ 4163.361927][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4163.361927][ T72] addrconf_add_dev+0xe2/0x170 [ 4163.361927][ T72] inet6_addr_add+0x12f/0xa40 [ 4163.361927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.361927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.361927][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.361927][ T72] netlink_unicast+0x449/0x710 [ 4163.361927][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.361927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.361927][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.361927][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.361927][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.361927][ T72] [ 4163.364147][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4163.364147][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4163.364147][ T72] ipv6_find_idev+0x102/0x170 [ 4163.364147][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.364147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.364147][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.364147][ T72] netlink_unicast+0x449/0x710 [ 4163.364147][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.364147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.364147][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.364147][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.364147][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.364147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.364147][ T72] [ 4163.365876][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4163.365876][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4163.365876][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4163.365876][ T72] ipv6_find_idev+0x102/0x170 [ 4163.365876][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.365876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.365876][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.365876][ T72] netlink_unicast+0x449/0x710 [ 4163.365876][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.365876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.365876][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.365876][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.365876][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.365876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.365876][ T72] [ 4163.367784][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4163.368095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4163.368095][ T72] dst_init+0x84/0x4a0 [ 4163.368095][ T72] dst_alloc+0x97/0x150 [ 4163.368095][ T72] ip6_dst_alloc+0x23/0x90 [ 4163.368095][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4163.368095][ T72] ip6_pol_route+0x56f/0x840 [ 4163.368095][ T72] fib6_rule_lookup+0x456/0x630 [ 4163.368095][ T72] ip6_route_input+0x59c/0xa50 [ 4163.368095][ T72] ipv6_rcv+0x397/0x810 [ 4163.368095][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4163.368095][ T72] process_backlog+0x101/0x620 [ 4163.368095][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4163.368095][ T72] net_rx_action+0x495/0xbe0 [ 4163.368095][ T72] __do_softirq+0x1b5/0x7f6 [ 4163.368095][ T72] [ 4163.369949][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4163.369949][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.369949][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.369949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.369949][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4163.369949][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4163.369949][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4163.369949][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4163.369949][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4163.369949][ T72] addrconf_dad_begin+0x310/0x670 [ 4163.369949][ T72] addrconf_dad_work+0x10b/0xab0 [ 4163.369949][ T72] process_one_work+0x84d/0x18a0 [ 4163.369949][ T72] worker_thread+0x587/0xd30 [ 4163.369949][ T72] kthread+0x28a/0x350 [ 4163.369949][ T72] ret_from_fork+0x31/0x70 [ 4163.369949][ T72] ret_from_fork_asm+0x1a/0x30 [ 4163.369949][ T72] [ 4163.372097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4163.372097][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.372097][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.372097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.372097][ T72] ip6_route_add+0x1c/0x140 [ 4163.372097][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4163.372097][ T72] inet6_addr_add+0x4f8/0xa40 [ 4163.372097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.372097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.372097][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.372097][ T72] netlink_unicast+0x449/0x710 [ 4163.372097][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.372097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.372097][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.372097][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.372097][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.372097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.372097][ T72] [ 4163.374398][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4163.374398][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.374398][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.374398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.374398][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4163.374398][ T72] ipv6_add_addr+0x411/0x2000 [ 4163.374398][ T72] inet6_addr_add+0x30e/0xa40 [ 4163.374398][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.374398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.374398][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.374398][ T72] netlink_unicast+0x449/0x710 [ 4163.374398][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.374398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.374398][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.374398][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.374398][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.374398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.374398][ T72] [ 4163.376666][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4163.376666][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.376666][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.376666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.376666][ T72] ip6_route_add+0x1c/0x140 [ 4163.376666][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4163.376666][ T72] addrconf_add_dev+0xe2/0x170 [ 4163.376666][ T72] inet6_addr_add+0x12f/0xa40 [ 4163.376666][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.376666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.376666][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.376666][ T72] netlink_unicast+0x449/0x710 [ 4163.376666][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.376666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.376666][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.376666][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.376666][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.376666][ T72] [ 4163.378914][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4163.378914][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4163.378914][ T72] ipv6_find_idev+0x102/0x170 [ 4163.378914][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.378914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.378914][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.378914][ T72] netlink_unicast+0x449/0x710 [ 4163.378914][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.378914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.378914][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.378914][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.378914][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.378914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.378914][ T72] [ 4163.380659][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4163.380659][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4163.380659][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4163.380659][ T72] ipv6_find_idev+0x102/0x170 [ 4163.380659][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.380659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.380659][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.380659][ T72] netlink_unicast+0x449/0x710 [ 4163.380659][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.380659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.380659][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.380659][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.380659][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.380659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.380659][ T72] [ 4163.382689][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4163.382999][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4163.382999][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4163.382999][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4163.382999][ T72] fib6_nh_init+0xa22/0x1580 [ 4163.382999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.382999][ T72] ip6_route_add+0x1c/0x140 [ 4163.382999][ T72] inet6_rtm_newroute+0x104/0x110 [ 4163.382999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.382999][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.382999][ T72] netlink_unicast+0x449/0x710 [ 4163.382999][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.382999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.382999][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.382999][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.382999][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.382999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.382999][ T72] [ 4163.385430][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4163.385430][ T72] dst_init+0x84/0x4a0 [ 4163.385430][ T72] dst_alloc+0x97/0x150 [ 4163.385430][ T72] ip6_dst_alloc+0x23/0x90 [ 4163.385430][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4163.385430][ T72] ip6_pol_route+0x56f/0x840 [ 4163.385430][ T72] fib6_rule_lookup+0x456/0x630 [ 4163.385430][ T72] ip6_route_input+0x59c/0xa50 [ 4163.385430][ T72] ipv6_rcv+0x397/0x810 [ 4163.385430][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4163.385430][ T72] process_backlog+0x101/0x620 [ 4163.385430][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4163.385430][ T72] net_rx_action+0x495/0xbe0 [ 4163.385430][ T72] __do_softirq+0x1b5/0x7f6 [ 4163.385430][ T72] [ 4163.387459][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4163.387459][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.387459][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.387459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.387459][ T72] ip6_route_add+0x1c/0x140 [ 4163.387459][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4163.387459][ T72] inet6_addr_add+0x4f8/0xa40 [ 4163.387459][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.387459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.387459][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.387459][ T72] netlink_unicast+0x449/0x710 [ 4163.387459][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.387459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.387459][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.387459][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.387459][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.387459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.387459][ T72] [ 4163.389976][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4163.389976][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.389976][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.389976][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.389976][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4163.389976][ T72] ipv6_add_addr+0x411/0x2000 [ 4163.389976][ T72] inet6_addr_add+0x30e/0xa40 [ 4163.389976][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.389976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.389976][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.389976][ T72] netlink_unicast+0x449/0x710 [ 4163.389976][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.389976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.389976][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.389976][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.389976][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.389976][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.389976][ T72] [ 4163.392447][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4163.392447][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.392447][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.392447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.392447][ T72] ip6_route_add+0x1c/0x140 [ 4163.392447][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4163.392447][ T72] addrconf_add_dev+0xe2/0x170 [ 4163.392447][ T72] inet6_addr_add+0x12f/0xa40 [ 4163.392447][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.392447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.392447][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.392447][ T72] netlink_unicast+0x449/0x710 [ 4163.392447][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.392447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.392447][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.392447][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.392447][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.392447][ T72] [ 4163.394987][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4163.394987][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4163.394987][ T72] ipv6_find_idev+0x102/0x170 [ 4163.394987][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.394987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.394987][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.394987][ T72] netlink_unicast+0x449/0x710 [ 4163.394987][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.394987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.394987][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.394987][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.394987][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.394987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.394987][ T72] [ 4163.396905][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4163.396905][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4163.396905][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4163.396905][ T72] ipv6_find_idev+0x102/0x170 [ 4163.396905][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.396905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.396905][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.396905][ T72] netlink_unicast+0x449/0x710 [ 4163.396905][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.396905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.396905][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.396905][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.396905][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.396905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.396905][ T72] [ 4163.398984][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4163.399360][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4163.399360][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.399360][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.399360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.399360][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4163.399360][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4163.399360][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4163.399360][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4163.399360][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4163.399360][ T72] addrconf_dad_begin+0x310/0x670 [ 4163.399360][ T72] addrconf_dad_work+0x10b/0xab0 [ 4163.399360][ T72] process_one_work+0x84d/0x18a0 [ 4163.399360][ T72] worker_thread+0x587/0xd30 [ 4163.399360][ T72] kthread+0x28a/0x350 [ 4163.399360][ T72] ret_from_fork+0x31/0x70 [ 4163.399360][ T72] ret_from_fork_asm+0x1a/0x30 [ 4163.399360][ T72] [ 4163.401640][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4163.401640][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.401640][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.401640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.401640][ T72] ip6_route_add+0x1c/0x140 [ 4163.401640][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4163.401640][ T72] inet6_addr_add+0x4f8/0xa40 [ 4163.401640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.401640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.401640][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.401640][ T72] netlink_unicast+0x449/0x710 [ 4163.401640][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.401640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.401640][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.401640][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.401640][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.401640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.401640][ T72] [ 4163.404153][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4163.404153][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.404153][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.404153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.404153][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4163.404153][ T72] ipv6_add_addr+0x411/0x2000 [ 4163.404153][ T72] inet6_addr_add+0x30e/0xa40 [ 4163.404153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.404153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.404153][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.404153][ T72] netlink_unicast+0x449/0x710 [ 4163.404153][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.404153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.404153][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.404153][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.404153][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.404153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.404153][ T72] [ 4163.406733][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4163.406733][ T72] netdev_get_by_index+0x5e/0x80 [ 4163.406733][ T72] fib6_nh_init+0x3d8/0x1580 [ 4163.406733][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4163.406733][ T72] ip6_route_add+0x1c/0x140 [ 4163.406733][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4163.406733][ T72] addrconf_add_dev+0xe2/0x170 [ 4163.406733][ T72] inet6_addr_add+0x12f/0xa40 [ 4163.406733][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.406733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.406733][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.406733][ T72] netlink_unicast+0x449/0x710 [ 4163.406733][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.406733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.406733][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.406733][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.406733][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.406733][ T72] [ 4163.409215][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4163.409215][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4163.409215][ T72] ipv6_find_idev+0x102/0x170 [ 4163.409215][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.409215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.409215][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.409215][ T72] netlink_unicast+0x449/0x710 [ 4163.409215][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.409215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.409215][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.409215][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.409215][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.409215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.409215][ T72] [ 4163.411140][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4163.411140][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4163.411140][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4163.411140][ T72] ipv6_find_idev+0x102/0x170 [ 4163.411140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.411140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.411140][ T72] netlink_rcv_skb+0x130/0x360 [ 4163.411140][ T72] netlink_unicast+0x449/0x710 [ 4163.411140][ T72] netlink_sendmsg+0x723/0xbe0 [ 4163.411140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4163.411140][ T72] ___sys_sendmsg+0xee/0x170 [ 4163.411140][ T72] __sys_sendmsg+0xcd/0x170 [ 4163.411140][ T72] do_syscall_64+0xc6/0x1e0 [ 4163.411140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.411140][ T72] [ 4173.648935][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4173.650242][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4173.650242][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4173.650242][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4173.650242][ T72] fib6_nh_init+0xa22/0x1580 [ 4173.650242][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.650242][ T72] ip6_route_add+0x1c/0x140 [ 4173.650242][ T72] inet6_rtm_newroute+0x104/0x110 [ 4173.650242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.650242][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.650242][ T72] netlink_unicast+0x449/0x710 [ 4173.650242][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.650242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.650242][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.650242][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.650242][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.650242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.650242][ T72] [ 4173.652164][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4173.652164][ T72] dst_init+0x84/0x4a0 [ 4173.652164][ T72] dst_alloc+0x97/0x150 [ 4173.652164][ T72] ip6_dst_alloc+0x23/0x90 [ 4173.652164][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4173.652164][ T72] ip6_pol_route+0x56f/0x840 [ 4173.652164][ T72] fib6_rule_lookup+0x456/0x630 [ 4173.652164][ T72] ip6_route_input+0x59c/0xa50 [ 4173.652164][ T72] ipv6_rcv+0x397/0x810 [ 4173.652164][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4173.652164][ T72] process_backlog+0x101/0x620 [ 4173.652164][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4173.652164][ T72] net_rx_action+0x495/0xbe0 [ 4173.652164][ T72] __do_softirq+0x1b5/0x7f6 [ 4173.652164][ T72] [ 4173.653826][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4173.653826][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.653826][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.653826][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.653826][ T72] ip6_route_add+0x1c/0x140 [ 4173.653826][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4173.653826][ T72] inet6_addr_add+0x4f8/0xa40 [ 4173.653826][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.653826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.653826][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.653826][ T72] netlink_unicast+0x449/0x710 [ 4173.653826][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.653826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.653826][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.653826][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.653826][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.653826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.653826][ T72] [ 4173.655850][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4173.655850][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.655850][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.655850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.655850][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4173.655850][ T72] ipv6_add_addr+0x411/0x2000 [ 4173.655850][ T72] inet6_addr_add+0x30e/0xa40 [ 4173.655850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.655850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.655850][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.655850][ T72] netlink_unicast+0x449/0x710 [ 4173.655850][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.655850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.655850][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.655850][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.655850][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.655850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.655850][ T72] [ 4173.657859][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4173.657859][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.657859][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.657859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.657859][ T72] ip6_route_add+0x1c/0x140 [ 4173.657859][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4173.657859][ T72] addrconf_add_dev+0xe2/0x170 [ 4173.657859][ T72] inet6_addr_add+0x12f/0xa40 [ 4173.657859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.657859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.657859][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.657859][ T72] netlink_unicast+0x449/0x710 [ 4173.657859][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.657859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.657859][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.657859][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.657859][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.657859][ T72] [ 4173.659847][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4173.659847][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4173.659847][ T72] ipv6_find_idev+0x102/0x170 [ 4173.659847][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.659847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.659847][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.659847][ T72] netlink_unicast+0x449/0x710 [ 4173.659847][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.659847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.659847][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.659847][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.659847][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.659847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.659847][ T72] [ 4173.661373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4173.661373][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4173.661373][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4173.661373][ T72] ipv6_find_idev+0x102/0x170 [ 4173.661373][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.661373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.661373][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.661373][ T72] netlink_unicast+0x449/0x710 [ 4173.661373][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.661373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.661373][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.661373][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.661373][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.661373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.661373][ T72] [ 4173.663030][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4173.663299][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4173.663299][ T72] dst_init+0x84/0x4a0 [ 4173.663299][ T72] dst_alloc+0x97/0x150 [ 4173.663299][ T72] ip6_dst_alloc+0x23/0x90 [ 4173.663299][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4173.663299][ T72] ip6_pol_route+0x56f/0x840 [ 4173.663299][ T72] fib6_rule_lookup+0x456/0x630 [ 4173.663299][ T72] ip6_route_input+0x59c/0xa50 [ 4173.663299][ T72] ipv6_rcv+0x397/0x810 [ 4173.663299][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4173.663299][ T72] process_backlog+0x101/0x620 [ 4173.663299][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4173.663299][ T72] net_rx_action+0x495/0xbe0 [ 4173.663299][ T72] __do_softirq+0x1b5/0x7f6 [ 4173.663299][ T72] [ 4173.664942][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4173.664942][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.664942][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.664942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.664942][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4173.664942][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4173.664942][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4173.664942][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4173.664942][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4173.664942][ T72] addrconf_dad_begin+0x310/0x670 [ 4173.664942][ T72] addrconf_dad_work+0x10b/0xab0 [ 4173.664942][ T72] process_one_work+0x84d/0x18a0 [ 4173.664942][ T72] worker_thread+0x587/0xd30 [ 4173.664942][ T72] kthread+0x28a/0x350 [ 4173.664942][ T72] ret_from_fork+0x31/0x70 [ 4173.664942][ T72] ret_from_fork_asm+0x1a/0x30 [ 4173.664942][ T72] [ 4173.666856][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4173.666856][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.666856][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.666856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.666856][ T72] ip6_route_add+0x1c/0x140 [ 4173.666856][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4173.666856][ T72] inet6_addr_add+0x4f8/0xa40 [ 4173.666856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.666856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.666856][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.666856][ T72] netlink_unicast+0x449/0x710 [ 4173.666856][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.666856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.666856][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.666856][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.666856][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.666856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.666856][ T72] [ 4173.668867][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4173.668867][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.668867][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.668867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.668867][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4173.668867][ T72] ipv6_add_addr+0x411/0x2000 [ 4173.668867][ T72] inet6_addr_add+0x30e/0xa40 [ 4173.668867][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.668867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.668867][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.668867][ T72] netlink_unicast+0x449/0x710 [ 4173.668867][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.668867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.668867][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.668867][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.668867][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.668867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.668867][ T72] [ 4173.670872][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4173.670872][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.670872][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.670872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.670872][ T72] ip6_route_add+0x1c/0x140 [ 4173.670872][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4173.670872][ T72] addrconf_add_dev+0xe2/0x170 [ 4173.670872][ T72] inet6_addr_add+0x12f/0xa40 [ 4173.670872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.670872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.670872][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.670872][ T72] netlink_unicast+0x449/0x710 [ 4173.670872][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.670872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.670872][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.670872][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.670872][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.670872][ T72] [ 4173.672843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4173.672843][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4173.672843][ T72] ipv6_find_idev+0x102/0x170 [ 4173.672843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.672843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.672843][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.672843][ T72] netlink_unicast+0x449/0x710 [ 4173.672843][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.672843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.672843][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.672843][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.672843][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.672843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.672843][ T72] [ 4173.674772][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4173.674772][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4173.674772][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4173.674772][ T72] ipv6_find_idev+0x102/0x170 [ 4173.674772][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.674772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.674772][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.674772][ T72] netlink_unicast+0x449/0x710 [ 4173.674772][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.674772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.674772][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.674772][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.674772][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.674772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.674772][ T72] [ 4173.676595][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4173.676984][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4173.676984][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4173.676984][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4173.676984][ T72] fib6_nh_init+0xa22/0x1580 [ 4173.676984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.676984][ T72] ip6_route_add+0x1c/0x140 [ 4173.676984][ T72] inet6_rtm_newroute+0x104/0x110 [ 4173.676984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.676984][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.676984][ T72] netlink_unicast+0x449/0x710 [ 4173.676984][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.676984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.676984][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.676984][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.676984][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.676984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.676984][ T72] [ 4173.679142][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4173.679142][ T72] dst_init+0x84/0x4a0 [ 4173.679142][ T72] dst_alloc+0x97/0x150 [ 4173.679142][ T72] ip6_dst_alloc+0x23/0x90 [ 4173.679142][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4173.679142][ T72] ip6_pol_route+0x56f/0x840 [ 4173.679142][ T72] fib6_rule_lookup+0x456/0x630 [ 4173.679142][ T72] ip6_route_input+0x59c/0xa50 [ 4173.679142][ T72] ipv6_rcv+0x397/0x810 [ 4173.679142][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4173.679142][ T72] process_backlog+0x101/0x620 [ 4173.679142][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4173.679142][ T72] net_rx_action+0x495/0xbe0 [ 4173.679142][ T72] __do_softirq+0x1b5/0x7f6 [ 4173.679142][ T72] [ 4173.680960][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4173.680960][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.680960][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.680960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.680960][ T72] ip6_route_add+0x1c/0x140 [ 4173.680960][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4173.680960][ T72] inet6_addr_add+0x4f8/0xa40 [ 4173.680960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.680960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.680960][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.680960][ T72] netlink_unicast+0x449/0x710 [ 4173.680960][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.680960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.680960][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.680960][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.680960][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.680960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.680960][ T72] [ 4173.683205][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4173.683205][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.683205][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.683205][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.683205][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4173.683205][ T72] ipv6_add_addr+0x411/0x2000 [ 4173.683205][ T72] inet6_addr_add+0x30e/0xa40 [ 4173.683205][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.683205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.683205][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.683205][ T72] netlink_unicast+0x449/0x710 [ 4173.683205][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.683205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.683205][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.683205][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.683205][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.683205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.683205][ T72] [ 4173.685392][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4173.685392][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.685392][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.685392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.685392][ T72] ip6_route_add+0x1c/0x140 [ 4173.685392][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4173.685392][ T72] addrconf_add_dev+0xe2/0x170 [ 4173.685392][ T72] inet6_addr_add+0x12f/0xa40 [ 4173.685392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.685392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.685392][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.685392][ T72] netlink_unicast+0x449/0x710 [ 4173.685392][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.685392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.685392][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.685392][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.685392][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.685392][ T72] [ 4173.687601][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4173.687601][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4173.687601][ T72] ipv6_find_idev+0x102/0x170 [ 4173.687601][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.687601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.687601][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.687601][ T72] netlink_unicast+0x449/0x710 [ 4173.687601][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.687601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.687601][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.687601][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.687601][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.687601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.687601][ T72] [ 4173.689333][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4173.689333][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4173.689333][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4173.689333][ T72] ipv6_find_idev+0x102/0x170 [ 4173.689333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.689333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.689333][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.689333][ T72] netlink_unicast+0x449/0x710 [ 4173.689333][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.689333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.689333][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.689333][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.689333][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.689333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.689333][ T72] [ 4173.691289][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4173.691565][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4173.691565][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.691565][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.691565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.691565][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4173.691565][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4173.691565][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4173.691565][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4173.691565][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4173.691565][ T72] addrconf_dad_begin+0x310/0x670 [ 4173.691565][ T72] addrconf_dad_work+0x10b/0xab0 [ 4173.691565][ T72] process_one_work+0x84d/0x18a0 [ 4173.691565][ T72] worker_thread+0x587/0xd30 [ 4173.691565][ T72] kthread+0x28a/0x350 [ 4173.691565][ T72] ret_from_fork+0x31/0x70 [ 4173.691565][ T72] ret_from_fork_asm+0x1a/0x30 [ 4173.691565][ T72] [ 4173.693722][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4173.693722][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.693722][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.693722][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.693722][ T72] ip6_route_add+0x1c/0x140 [ 4173.693722][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4173.693722][ T72] inet6_addr_add+0x4f8/0xa40 [ 4173.693722][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.693722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.693722][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.693722][ T72] netlink_unicast+0x449/0x710 [ 4173.693722][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.693722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.693722][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.693722][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.693722][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.693722][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.693722][ T72] [ 4173.695944][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4173.695944][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.695944][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.695944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.695944][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4173.695944][ T72] ipv6_add_addr+0x411/0x2000 [ 4173.695944][ T72] inet6_addr_add+0x30e/0xa40 [ 4173.695944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.695944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.695944][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.695944][ T72] netlink_unicast+0x449/0x710 [ 4173.695944][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.695944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.695944][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.695944][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.695944][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.695944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.695944][ T72] [ 4173.698248][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4173.698248][ T72] netdev_get_by_index+0x5e/0x80 [ 4173.698248][ T72] fib6_nh_init+0x3d8/0x1580 [ 4173.698248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4173.698248][ T72] ip6_route_add+0x1c/0x140 [ 4173.698248][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4173.698248][ T72] addrconf_add_dev+0xe2/0x170 [ 4173.698248][ T72] inet6_addr_add+0x12f/0xa40 [ 4173.698248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.698248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.698248][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.698248][ T72] netlink_unicast+0x449/0x710 [ 4173.698248][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.698248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.698248][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.698248][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.698248][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.698248][ T72] [ 4173.700481][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4173.700481][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4173.700481][ T72] ipv6_find_idev+0x102/0x170 [ 4173.700481][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.700481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.700481][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.700481][ T72] netlink_unicast+0x449/0x710 [ 4173.700481][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.700481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.700481][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.700481][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.700481][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.700481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.700481][ T72] [ 4173.702214][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4173.702214][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4173.702214][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4173.702214][ T72] ipv6_find_idev+0x102/0x170 [ 4173.702214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.702214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.702214][ T72] netlink_rcv_skb+0x130/0x360 [ 4173.702214][ T72] netlink_unicast+0x449/0x710 [ 4173.702214][ T72] netlink_sendmsg+0x723/0xbe0 [ 4173.702214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4173.702214][ T72] ___sys_sendmsg+0xee/0x170 [ 4173.702214][ T72] __sys_sendmsg+0xcd/0x170 [ 4173.702214][ T72] do_syscall_64+0xc6/0x1e0 [ 4173.702214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.702214][ T72] [ 4183.944998][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4183.945719][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4183.945719][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4183.945719][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4183.945719][ T72] fib6_nh_init+0xa22/0x1580 [ 4183.945719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.945719][ T72] ip6_route_add+0x1c/0x140 [ 4183.945719][ T72] inet6_rtm_newroute+0x104/0x110 [ 4183.945719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.945719][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.945719][ T72] netlink_unicast+0x449/0x710 [ 4183.945719][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.945719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.945719][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.945719][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.945719][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.945719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.945719][ T72] [ 4183.947645][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4183.947645][ T72] dst_init+0x84/0x4a0 [ 4183.947645][ T72] dst_alloc+0x97/0x150 [ 4183.947645][ T72] ip6_dst_alloc+0x23/0x90 [ 4183.947645][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4183.947645][ T72] ip6_pol_route+0x56f/0x840 [ 4183.947645][ T72] fib6_rule_lookup+0x456/0x630 [ 4183.947645][ T72] ip6_route_input+0x59c/0xa50 [ 4183.947645][ T72] ipv6_rcv+0x397/0x810 [ 4183.947645][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4183.947645][ T72] process_backlog+0x101/0x620 [ 4183.947645][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4183.947645][ T72] net_rx_action+0x495/0xbe0 [ 4183.947645][ T72] __do_softirq+0x1b5/0x7f6 [ 4183.947645][ T72] [ 4183.949353][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4183.949353][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.949353][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.949353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.949353][ T72] ip6_route_add+0x1c/0x140 [ 4183.949353][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4183.949353][ T72] inet6_addr_add+0x4f8/0xa40 [ 4183.949353][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.949353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.949353][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.949353][ T72] netlink_unicast+0x449/0x710 [ 4183.949353][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.949353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.949353][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.949353][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.949353][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.949353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.949353][ T72] [ 4183.951421][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4183.951421][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.951421][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.951421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.951421][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4183.951421][ T72] ipv6_add_addr+0x411/0x2000 [ 4183.951421][ T72] inet6_addr_add+0x30e/0xa40 [ 4183.951421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.951421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.951421][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.951421][ T72] netlink_unicast+0x449/0x710 [ 4183.951421][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.951421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.951421][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.951421][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.951421][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.951421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.951421][ T72] [ 4183.953464][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4183.953464][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.953464][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.953464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.953464][ T72] ip6_route_add+0x1c/0x140 [ 4183.953464][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4183.953464][ T72] addrconf_add_dev+0xe2/0x170 [ 4183.953464][ T72] inet6_addr_add+0x12f/0xa40 [ 4183.953464][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.953464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.953464][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.953464][ T72] netlink_unicast+0x449/0x710 [ 4183.953464][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.953464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.953464][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.953464][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.953464][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.953464][ T72] [ 4183.955454][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4183.955454][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4183.955454][ T72] ipv6_find_idev+0x102/0x170 [ 4183.955454][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.955454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.955454][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.955454][ T72] netlink_unicast+0x449/0x710 [ 4183.955454][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.955454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.955454][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.955454][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.955454][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.955454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.955454][ T72] [ 4183.957004][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4183.957004][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4183.957004][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4183.957004][ T72] ipv6_find_idev+0x102/0x170 [ 4183.957004][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.957004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.957004][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.957004][ T72] netlink_unicast+0x449/0x710 [ 4183.957004][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.957004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.957004][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.957004][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.957004][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.957004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.957004][ T72] [ 4183.958674][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4183.958975][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4183.958975][ T72] dst_init+0x84/0x4a0 [ 4183.958975][ T72] dst_alloc+0x97/0x150 [ 4183.958975][ T72] ip6_dst_alloc+0x23/0x90 [ 4183.958975][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4183.958975][ T72] ip6_pol_route+0x56f/0x840 [ 4183.958975][ T72] fib6_rule_lookup+0x456/0x630 [ 4183.958975][ T72] ip6_route_input+0x59c/0xa50 [ 4183.958975][ T72] ipv6_rcv+0x397/0x810 [ 4183.958975][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4183.958975][ T72] process_backlog+0x101/0x620 [ 4183.958975][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4183.958975][ T72] net_rx_action+0x495/0xbe0 [ 4183.958975][ T72] __do_softirq+0x1b5/0x7f6 [ 4183.958975][ T72] [ 4183.960634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4183.960634][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.960634][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.960634][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.960634][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4183.960634][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4183.960634][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4183.960634][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4183.960634][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4183.960634][ T72] addrconf_dad_begin+0x310/0x670 [ 4183.960634][ T72] addrconf_dad_work+0x10b/0xab0 [ 4183.960634][ T72] process_one_work+0x84d/0x18a0 [ 4183.960634][ T72] worker_thread+0x587/0xd30 [ 4183.960634][ T72] kthread+0x28a/0x350 [ 4183.960634][ T72] ret_from_fork+0x31/0x70 [ 4183.960634][ T72] ret_from_fork_asm+0x1a/0x30 [ 4183.960634][ T72] [ 4183.962560][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4183.962560][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.962560][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.962560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.962560][ T72] ip6_route_add+0x1c/0x140 [ 4183.962560][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4183.962560][ T72] inet6_addr_add+0x4f8/0xa40 [ 4183.962560][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.962560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.962560][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.962560][ T72] netlink_unicast+0x449/0x710 [ 4183.962560][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.962560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.962560][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.962560][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.962560][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.962560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.962560][ T72] [ 4183.964570][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4183.964570][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.964570][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.964570][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.964570][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4183.964570][ T72] ipv6_add_addr+0x411/0x2000 [ 4183.964570][ T72] inet6_addr_add+0x30e/0xa40 [ 4183.964570][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.964570][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.964570][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.964570][ T72] netlink_unicast+0x449/0x710 [ 4183.964570][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.964570][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.964570][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.964570][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.964570][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.964570][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.964570][ T72] [ 4183.966610][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4183.966610][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.966610][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.966610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.966610][ T72] ip6_route_add+0x1c/0x140 [ 4183.966610][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4183.966610][ T72] addrconf_add_dev+0xe2/0x170 [ 4183.966610][ T72] inet6_addr_add+0x12f/0xa40 [ 4183.966610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.966610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.966610][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.966610][ T72] netlink_unicast+0x449/0x710 [ 4183.966610][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.966610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.966610][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.966610][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.966610][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.966610][ T72] [ 4183.968586][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4183.968586][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4183.968586][ T72] ipv6_find_idev+0x102/0x170 [ 4183.968586][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.968586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.968586][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.968586][ T72] netlink_unicast+0x449/0x710 [ 4183.968586][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.968586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.968586][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.968586][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.968586][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.968586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.968586][ T72] [ 4183.970141][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4183.970141][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4183.970141][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4183.970141][ T72] ipv6_find_idev+0x102/0x170 [ 4183.970141][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.970141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.970141][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.970141][ T72] netlink_unicast+0x449/0x710 [ 4183.970141][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.970141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.970141][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.970141][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.970141][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.970141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.970141][ T72] [ 4183.971966][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4183.972295][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4183.972295][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4183.972295][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4183.972295][ T72] fib6_nh_init+0xa22/0x1580 [ 4183.972295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.972295][ T72] ip6_route_add+0x1c/0x140 [ 4183.972295][ T72] inet6_rtm_newroute+0x104/0x110 [ 4183.972295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.972295][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.972295][ T72] netlink_unicast+0x449/0x710 [ 4183.972295][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.972295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.972295][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.972295][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.972295][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.972295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.972295][ T72] [ 4183.974427][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4183.974427][ T72] dst_init+0x84/0x4a0 [ 4183.974427][ T72] dst_alloc+0x97/0x150 [ 4183.974427][ T72] ip6_dst_alloc+0x23/0x90 [ 4183.974427][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4183.974427][ T72] ip6_pol_route+0x56f/0x840 [ 4183.974427][ T72] fib6_rule_lookup+0x456/0x630 [ 4183.974427][ T72] ip6_route_input+0x59c/0xa50 [ 4183.974427][ T72] ipv6_rcv+0x397/0x810 [ 4183.974427][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4183.974427][ T72] process_backlog+0x101/0x620 [ 4183.974427][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4183.974427][ T72] net_rx_action+0x495/0xbe0 [ 4183.974427][ T72] __do_softirq+0x1b5/0x7f6 [ 4183.974427][ T72] [ 4183.976253][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4183.976253][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.976253][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.976253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.976253][ T72] ip6_route_add+0x1c/0x140 [ 4183.976253][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4183.976253][ T72] inet6_addr_add+0x4f8/0xa40 [ 4183.976253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.976253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.976253][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.976253][ T72] netlink_unicast+0x449/0x710 [ 4183.976253][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.976253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.976253][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.976253][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.976253][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.976253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.976253][ T72] [ 4183.978513][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4183.978513][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.978513][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.978513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.978513][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4183.978513][ T72] ipv6_add_addr+0x411/0x2000 [ 4183.978513][ T72] inet6_addr_add+0x30e/0xa40 [ 4183.978513][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.978513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.978513][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.978513][ T72] netlink_unicast+0x449/0x710 [ 4183.978513][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.978513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.978513][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.978513][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.978513][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.978513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.978513][ T72] [ 4183.980771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4183.980771][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.980771][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.980771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.980771][ T72] ip6_route_add+0x1c/0x140 [ 4183.980771][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4183.980771][ T72] addrconf_add_dev+0xe2/0x170 [ 4183.980771][ T72] inet6_addr_add+0x12f/0xa40 [ 4183.980771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.980771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.980771][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.980771][ T72] netlink_unicast+0x449/0x710 [ 4183.980771][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.980771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.980771][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.980771][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.980771][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.980771][ T72] [ 4183.983066][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4183.983066][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4183.983066][ T72] ipv6_find_idev+0x102/0x170 [ 4183.983066][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.983066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.983066][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.983066][ T72] netlink_unicast+0x449/0x710 [ 4183.983066][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.983066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.983066][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.983066][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.983066][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.983066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.983066][ T72] [ 4183.984800][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4183.984800][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4183.984800][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4183.984800][ T72] ipv6_find_idev+0x102/0x170 [ 4183.984800][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.984800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.984800][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.984800][ T72] netlink_unicast+0x449/0x710 [ 4183.984800][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.984800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.984800][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.984800][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.984800][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.984800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.984800][ T72] [ 4183.986682][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4183.987409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4183.987409][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.987409][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.987409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.987409][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4183.987409][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4183.987409][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4183.987409][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4183.987409][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4183.987409][ T72] addrconf_dad_begin+0x310/0x670 [ 4183.987409][ T72] addrconf_dad_work+0x10b/0xab0 [ 4183.987409][ T72] process_one_work+0x84d/0x18a0 [ 4183.987409][ T72] worker_thread+0x587/0xd30 [ 4183.987409][ T72] kthread+0x28a/0x350 [ 4183.987409][ T72] ret_from_fork+0x31/0x70 [ 4183.987409][ T72] ret_from_fork_asm+0x1a/0x30 [ 4183.987409][ T72] [ 4183.989336][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4183.989336][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.989336][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.989336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.989336][ T72] ip6_route_add+0x1c/0x140 [ 4183.989336][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4183.989336][ T72] inet6_addr_add+0x4f8/0xa40 [ 4183.989336][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.989336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.989336][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.989336][ T72] netlink_unicast+0x449/0x710 [ 4183.989336][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.989336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.989336][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.989336][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.989336][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.989336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.989336][ T72] [ 4183.991469][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4183.991469][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.991469][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.991469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.991469][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4183.991469][ T72] ipv6_add_addr+0x411/0x2000 [ 4183.991469][ T72] inet6_addr_add+0x30e/0xa40 [ 4183.991469][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.991469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.991469][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.991469][ T72] netlink_unicast+0x449/0x710 [ 4183.991469][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.991469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.991469][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.991469][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.991469][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.991469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.991469][ T72] [ 4183.993738][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4183.993738][ T72] netdev_get_by_index+0x5e/0x80 [ 4183.993738][ T72] fib6_nh_init+0x3d8/0x1580 [ 4183.993738][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4183.993738][ T72] ip6_route_add+0x1c/0x140 [ 4183.993738][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4183.993738][ T72] addrconf_add_dev+0xe2/0x170 [ 4183.993738][ T72] inet6_addr_add+0x12f/0xa40 [ 4183.993738][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.993738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.993738][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.993738][ T72] netlink_unicast+0x449/0x710 [ 4183.993738][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.993738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.993738][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.993738][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.993738][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.993738][ T72] [ 4183.996022][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4183.996022][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4183.996022][ T72] ipv6_find_idev+0x102/0x170 [ 4183.996022][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.996022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.996022][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.996022][ T72] netlink_unicast+0x449/0x710 [ 4183.996022][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.996022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.996022][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.996022][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.996022][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.996022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.996022][ T72] [ 4183.997678][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4183.997678][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4183.997678][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4183.997678][ T72] ipv6_find_idev+0x102/0x170 [ 4183.997678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.997678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.997678][ T72] netlink_rcv_skb+0x130/0x360 [ 4183.997678][ T72] netlink_unicast+0x449/0x710 [ 4183.997678][ T72] netlink_sendmsg+0x723/0xbe0 [ 4183.997678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4183.997678][ T72] ___sys_sendmsg+0xee/0x170 [ 4183.997678][ T72] __sys_sendmsg+0xcd/0x170 [ 4183.997678][ T72] do_syscall_64+0xc6/0x1e0 [ 4183.997678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.997678][ T72] [ 4194.241000][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4194.241902][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4194.241902][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4194.241902][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4194.241902][ T72] fib6_nh_init+0xa22/0x1580 [ 4194.241902][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.241902][ T72] ip6_route_add+0x1c/0x140 [ 4194.241902][ T72] inet6_rtm_newroute+0x104/0x110 [ 4194.241902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.241902][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.241902][ T72] netlink_unicast+0x449/0x710 [ 4194.241902][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.241902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.241902][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.241902][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.241902][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.241902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.241902][ T72] [ 4194.243788][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4194.243788][ T72] dst_init+0x84/0x4a0 [ 4194.243788][ T72] dst_alloc+0x97/0x150 [ 4194.243788][ T72] ip6_dst_alloc+0x23/0x90 [ 4194.243788][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4194.243788][ T72] ip6_pol_route+0x56f/0x840 [ 4194.243788][ T72] fib6_rule_lookup+0x456/0x630 [ 4194.243788][ T72] ip6_route_input+0x59c/0xa50 [ 4194.243788][ T72] ipv6_rcv+0x397/0x810 [ 4194.243788][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4194.243788][ T72] process_backlog+0x101/0x620 [ 4194.243788][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4194.243788][ T72] net_rx_action+0x495/0xbe0 [ 4194.243788][ T72] __do_softirq+0x1b5/0x7f6 [ 4194.243788][ T72] [ 4194.245453][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4194.245453][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.245453][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.245453][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.245453][ T72] ip6_route_add+0x1c/0x140 [ 4194.245453][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4194.245453][ T72] inet6_addr_add+0x4f8/0xa40 [ 4194.245453][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.245453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.245453][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.245453][ T72] netlink_unicast+0x449/0x710 [ 4194.245453][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.245453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.245453][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.245453][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.245453][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.245453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.245453][ T72] [ 4194.247422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4194.247422][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.247422][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.247422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.247422][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4194.247422][ T72] ipv6_add_addr+0x411/0x2000 [ 4194.247422][ T72] inet6_addr_add+0x30e/0xa40 [ 4194.247422][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.247422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.247422][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.247422][ T72] netlink_unicast+0x449/0x710 [ 4194.247422][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.247422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.247422][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.247422][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.247422][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.247422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.247422][ T72] [ 4194.249449][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4194.249449][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.249449][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.249449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.249449][ T72] ip6_route_add+0x1c/0x140 [ 4194.249449][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4194.249449][ T72] addrconf_add_dev+0xe2/0x170 [ 4194.249449][ T72] inet6_addr_add+0x12f/0xa40 [ 4194.249449][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.249449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.249449][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.249449][ T72] netlink_unicast+0x449/0x710 [ 4194.249449][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.249449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.249449][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.249449][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.249449][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.249449][ T72] [ 4194.251421][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4194.251421][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4194.251421][ T72] ipv6_find_idev+0x102/0x170 [ 4194.251421][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.251421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.251421][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.251421][ T72] netlink_unicast+0x449/0x710 [ 4194.251421][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.251421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.251421][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.251421][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.251421][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.251421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.251421][ T72] [ 4194.252966][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4194.252966][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4194.252966][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4194.252966][ T72] ipv6_find_idev+0x102/0x170 [ 4194.252966][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.252966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.252966][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.252966][ T72] netlink_unicast+0x449/0x710 [ 4194.252966][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.252966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.252966][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.252966][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.252966][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.252966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.252966][ T72] [ 4194.254689][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4194.254989][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4194.254989][ T72] dst_init+0x84/0x4a0 [ 4194.254989][ T72] dst_alloc+0x97/0x150 [ 4194.254989][ T72] ip6_dst_alloc+0x23/0x90 [ 4194.254989][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4194.254989][ T72] ip6_pol_route+0x56f/0x840 [ 4194.254989][ T72] fib6_rule_lookup+0x456/0x630 [ 4194.254989][ T72] ip6_route_input+0x59c/0xa50 [ 4194.254989][ T72] ipv6_rcv+0x397/0x810 [ 4194.254989][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4194.254989][ T72] process_backlog+0x101/0x620 [ 4194.254989][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4194.254989][ T72] net_rx_action+0x495/0xbe0 [ 4194.254989][ T72] __do_softirq+0x1b5/0x7f6 [ 4194.254989][ T72] [ 4194.256662][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4194.256662][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.256662][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.256662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.256662][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4194.256662][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4194.256662][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4194.256662][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4194.256662][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4194.256662][ T72] addrconf_dad_begin+0x310/0x670 [ 4194.256662][ T72] addrconf_dad_work+0x10b/0xab0 [ 4194.256662][ T72] process_one_work+0x84d/0x18a0 [ 4194.256662][ T72] worker_thread+0x587/0xd30 [ 4194.256662][ T72] kthread+0x28a/0x350 [ 4194.256662][ T72] ret_from_fork+0x31/0x70 [ 4194.256662][ T72] ret_from_fork_asm+0x1a/0x30 [ 4194.256662][ T72] [ 4194.258627][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4194.258627][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.258627][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.258627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.258627][ T72] ip6_route_add+0x1c/0x140 [ 4194.258627][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4194.258627][ T72] inet6_addr_add+0x4f8/0xa40 [ 4194.258627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.258627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.258627][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.258627][ T72] netlink_unicast+0x449/0x710 [ 4194.258627][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.258627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.258627][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.258627][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.258627][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.258627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.258627][ T72] [ 4194.260632][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4194.260632][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.260632][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.260632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.260632][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4194.260632][ T72] ipv6_add_addr+0x411/0x2000 [ 4194.260632][ T72] inet6_addr_add+0x30e/0xa40 [ 4194.260632][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.260632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.260632][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.260632][ T72] netlink_unicast+0x449/0x710 [ 4194.260632][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.260632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.260632][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.260632][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.260632][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.260632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.260632][ T72] [ 4194.262635][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4194.262635][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.262635][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.262635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.262635][ T72] ip6_route_add+0x1c/0x140 [ 4194.262635][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4194.262635][ T72] addrconf_add_dev+0xe2/0x170 [ 4194.262635][ T72] inet6_addr_add+0x12f/0xa40 [ 4194.262635][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.262635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.262635][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.262635][ T72] netlink_unicast+0x449/0x710 [ 4194.262635][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.262635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.262635][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.262635][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.262635][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.262635][ T72] [ 4194.264641][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4194.264641][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4194.264641][ T72] ipv6_find_idev+0x102/0x170 [ 4194.264641][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.264641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.264641][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.264641][ T72] netlink_unicast+0x449/0x710 [ 4194.264641][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.264641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.264641][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.264641][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.264641][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.264641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.264641][ T72] [ 4194.266208][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4194.266208][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4194.266208][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4194.266208][ T72] ipv6_find_idev+0x102/0x170 [ 4194.266208][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.266208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.266208][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.266208][ T72] netlink_unicast+0x449/0x710 [ 4194.266208][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.266208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.266208][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.266208][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.266208][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.266208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.266208][ T72] [ 4194.267906][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4194.268246][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4194.268246][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4194.268246][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4194.268246][ T72] fib6_nh_init+0xa22/0x1580 [ 4194.268246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.268246][ T72] ip6_route_add+0x1c/0x140 [ 4194.268246][ T72] inet6_rtm_newroute+0x104/0x110 [ 4194.268246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.268246][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.268246][ T72] netlink_unicast+0x449/0x710 [ 4194.268246][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.268246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.268246][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.268246][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.268246][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.268246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.268246][ T72] [ 4194.270316][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4194.270316][ T72] dst_init+0x84/0x4a0 [ 4194.270316][ T72] dst_alloc+0x97/0x150 [ 4194.270316][ T72] ip6_dst_alloc+0x23/0x90 [ 4194.270316][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4194.270316][ T72] ip6_pol_route+0x56f/0x840 [ 4194.270316][ T72] fib6_rule_lookup+0x456/0x630 [ 4194.270316][ T72] ip6_route_input+0x59c/0xa50 [ 4194.270316][ T72] ipv6_rcv+0x397/0x810 [ 4194.270316][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4194.270316][ T72] process_backlog+0x101/0x620 [ 4194.270316][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4194.270316][ T72] net_rx_action+0x495/0xbe0 [ 4194.270316][ T72] __do_softirq+0x1b5/0x7f6 [ 4194.270316][ T72] [ 4194.272135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4194.272135][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.272135][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.272135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.272135][ T72] ip6_route_add+0x1c/0x140 [ 4194.272135][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4194.272135][ T72] inet6_addr_add+0x4f8/0xa40 [ 4194.272135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.272135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.272135][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.272135][ T72] netlink_unicast+0x449/0x710 [ 4194.272135][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.272135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.272135][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.272135][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.272135][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.272135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.272135][ T72] [ 4194.274372][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4194.274372][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.274372][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.274372][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.274372][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4194.274372][ T72] ipv6_add_addr+0x411/0x2000 [ 4194.274372][ T72] inet6_addr_add+0x30e/0xa40 [ 4194.274372][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.274372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.274372][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.274372][ T72] netlink_unicast+0x449/0x710 [ 4194.274372][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.274372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.274372][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.274372][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.274372][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.274372][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.274372][ T72] [ 4194.276618][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4194.276618][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.276618][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.276618][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.276618][ T72] ip6_route_add+0x1c/0x140 [ 4194.276618][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4194.276618][ T72] addrconf_add_dev+0xe2/0x170 [ 4194.276618][ T72] inet6_addr_add+0x12f/0xa40 [ 4194.276618][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.276618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.276618][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.276618][ T72] netlink_unicast+0x449/0x710 [ 4194.276618][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.276618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.276618][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.276618][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.276618][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.276618][ T72] [ 4194.278824][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4194.278824][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4194.278824][ T72] ipv6_find_idev+0x102/0x170 [ 4194.278824][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.278824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.278824][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.278824][ T72] netlink_unicast+0x449/0x710 [ 4194.278824][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.278824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.278824][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.278824][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.278824][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.278824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.278824][ T72] [ 4194.280611][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4194.280611][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4194.280611][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4194.280611][ T72] ipv6_find_idev+0x102/0x170 [ 4194.280611][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.280611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.280611][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.280611][ T72] netlink_unicast+0x449/0x710 [ 4194.280611][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.280611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.280611][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.280611][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.280611][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.280611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.280611][ T72] [ 4194.282515][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4194.282801][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4194.282801][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.282801][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.282801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.282801][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4194.282801][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4194.282801][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4194.282801][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4194.282801][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4194.282801][ T72] addrconf_dad_begin+0x310/0x670 [ 4194.282801][ T72] addrconf_dad_work+0x10b/0xab0 [ 4194.282801][ T72] process_one_work+0x84d/0x18a0 [ 4194.282801][ T72] worker_thread+0x587/0xd30 [ 4194.282801][ T72] kthread+0x28a/0x350 [ 4194.282801][ T72] ret_from_fork+0x31/0x70 [ 4194.282801][ T72] ret_from_fork_asm+0x1a/0x30 [ 4194.282801][ T72] [ 4194.285505][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4194.285505][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.285505][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.285505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.285505][ T72] ip6_route_add+0x1c/0x140 [ 4194.285505][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4194.285505][ T72] inet6_addr_add+0x4f8/0xa40 [ 4194.285505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.285505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.285505][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.285505][ T72] netlink_unicast+0x449/0x710 [ 4194.285505][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.285505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.285505][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.285505][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.285505][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.285505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.285505][ T72] [ 4194.287753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4194.287753][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.287753][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.287753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.287753][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4194.287753][ T72] ipv6_add_addr+0x411/0x2000 [ 4194.287753][ T72] inet6_addr_add+0x30e/0xa40 [ 4194.287753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.287753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.287753][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.287753][ T72] netlink_unicast+0x449/0x710 [ 4194.287753][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.287753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.287753][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.287753][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.287753][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.287753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.287753][ T72] [ 4194.290004][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4194.290004][ T72] netdev_get_by_index+0x5e/0x80 [ 4194.290004][ T72] fib6_nh_init+0x3d8/0x1580 [ 4194.290004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4194.290004][ T72] ip6_route_add+0x1c/0x140 [ 4194.290004][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4194.290004][ T72] addrconf_add_dev+0xe2/0x170 [ 4194.290004][ T72] inet6_addr_add+0x12f/0xa40 [ 4194.290004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.290004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.290004][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.290004][ T72] netlink_unicast+0x449/0x710 [ 4194.290004][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.290004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.290004][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.290004][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.290004][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.290004][ T72] [ 4194.292207][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4194.292207][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4194.292207][ T72] ipv6_find_idev+0x102/0x170 [ 4194.292207][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.292207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.292207][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.292207][ T72] netlink_unicast+0x449/0x710 [ 4194.292207][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.292207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.292207][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.292207][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.292207][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.292207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.292207][ T72] [ 4194.293930][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4194.293930][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4194.293930][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4194.293930][ T72] ipv6_find_idev+0x102/0x170 [ 4194.293930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.293930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.293930][ T72] netlink_rcv_skb+0x130/0x360 [ 4194.293930][ T72] netlink_unicast+0x449/0x710 [ 4194.293930][ T72] netlink_sendmsg+0x723/0xbe0 [ 4194.293930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4194.293930][ T72] ___sys_sendmsg+0xee/0x170 [ 4194.293930][ T72] __sys_sendmsg+0xcd/0x170 [ 4194.293930][ T72] do_syscall_64+0xc6/0x1e0 [ 4194.293930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.293930][ T72] [ 4204.536998][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4204.537503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4204.537503][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4204.537503][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4204.537503][ T72] fib6_nh_init+0xa22/0x1580 [ 4204.537503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.537503][ T72] ip6_route_add+0x1c/0x140 [ 4204.537503][ T72] inet6_rtm_newroute+0x104/0x110 [ 4204.537503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.537503][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.537503][ T72] netlink_unicast+0x449/0x710 [ 4204.537503][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.537503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.537503][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.537503][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.537503][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.537503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.537503][ T72] [ 4204.539430][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4204.539430][ T72] dst_init+0x84/0x4a0 [ 4204.539430][ T72] dst_alloc+0x97/0x150 [ 4204.539430][ T72] ip6_dst_alloc+0x23/0x90 [ 4204.539430][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4204.539430][ T72] ip6_pol_route+0x56f/0x840 [ 4204.539430][ T72] fib6_rule_lookup+0x456/0x630 [ 4204.539430][ T72] ip6_route_input+0x59c/0xa50 [ 4204.539430][ T72] ipv6_rcv+0x397/0x810 [ 4204.539430][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4204.539430][ T72] process_backlog+0x101/0x620 [ 4204.539430][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4204.539430][ T72] net_rx_action+0x495/0xbe0 [ 4204.539430][ T72] __do_softirq+0x1b5/0x7f6 [ 4204.539430][ T72] [ 4204.541090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4204.541090][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.541090][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.541090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.541090][ T72] ip6_route_add+0x1c/0x140 [ 4204.541090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4204.541090][ T72] inet6_addr_add+0x4f8/0xa40 [ 4204.541090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.541090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.541090][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.541090][ T72] netlink_unicast+0x449/0x710 [ 4204.541090][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.541090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.541090][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.541090][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.541090][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.541090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.541090][ T72] [ 4204.543124][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4204.543124][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.543124][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.543124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.543124][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4204.543124][ T72] ipv6_add_addr+0x411/0x2000 [ 4204.543124][ T72] inet6_addr_add+0x30e/0xa40 [ 4204.543124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.543124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.543124][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.543124][ T72] netlink_unicast+0x449/0x710 [ 4204.543124][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.543124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.543124][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.543124][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.543124][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.543124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.543124][ T72] [ 4204.545167][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4204.545167][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.545167][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.545167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.545167][ T72] ip6_route_add+0x1c/0x140 [ 4204.545167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4204.545167][ T72] addrconf_add_dev+0xe2/0x170 [ 4204.545167][ T72] inet6_addr_add+0x12f/0xa40 [ 4204.545167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.545167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.545167][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.545167][ T72] netlink_unicast+0x449/0x710 [ 4204.545167][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.545167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.545167][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.545167][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.545167][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.545167][ T72] [ 4204.547127][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4204.547127][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4204.547127][ T72] ipv6_find_idev+0x102/0x170 [ 4204.547127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.547127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.547127][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.547127][ T72] netlink_unicast+0x449/0x710 [ 4204.547127][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.547127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.547127][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.547127][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.547127][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.547127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.547127][ T72] [ 4204.548713][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4204.548713][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4204.548713][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4204.548713][ T72] ipv6_find_idev+0x102/0x170 [ 4204.548713][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.548713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.548713][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.548713][ T72] netlink_unicast+0x449/0x710 [ 4204.548713][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.548713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.548713][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.548713][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.548713][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.548713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.548713][ T72] [ 4204.550419][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4204.550709][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4204.550709][ T72] dst_init+0x84/0x4a0 [ 4204.550709][ T72] dst_alloc+0x97/0x150 [ 4204.550709][ T72] ip6_dst_alloc+0x23/0x90 [ 4204.550709][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4204.550709][ T72] ip6_pol_route+0x56f/0x840 [ 4204.550709][ T72] fib6_rule_lookup+0x456/0x630 [ 4204.550709][ T72] ip6_route_input+0x59c/0xa50 [ 4204.550709][ T72] ipv6_rcv+0x397/0x810 [ 4204.550709][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4204.550709][ T72] process_backlog+0x101/0x620 [ 4204.550709][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4204.550709][ T72] net_rx_action+0x495/0xbe0 [ 4204.550709][ T72] __do_softirq+0x1b5/0x7f6 [ 4204.550709][ T72] [ 4204.552360][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4204.552360][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.552360][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.552360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.552360][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4204.552360][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4204.552360][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4204.552360][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4204.552360][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4204.552360][ T72] addrconf_dad_begin+0x310/0x670 [ 4204.552360][ T72] addrconf_dad_work+0x10b/0xab0 [ 4204.552360][ T72] process_one_work+0x84d/0x18a0 [ 4204.552360][ T72] worker_thread+0x587/0xd30 [ 4204.552360][ T72] kthread+0x28a/0x350 [ 4204.552360][ T72] ret_from_fork+0x31/0x70 [ 4204.552360][ T72] ret_from_fork_asm+0x1a/0x30 [ 4204.552360][ T72] [ 4204.554234][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4204.554234][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.554234][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.554234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.554234][ T72] ip6_route_add+0x1c/0x140 [ 4204.554234][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4204.554234][ T72] inet6_addr_add+0x4f8/0xa40 [ 4204.554234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.554234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.554234][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.554234][ T72] netlink_unicast+0x449/0x710 [ 4204.554234][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.554234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.554234][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.554234][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.554234][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.554234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.554234][ T72] [ 4204.556202][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4204.556202][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.556202][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.556202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.556202][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4204.556202][ T72] ipv6_add_addr+0x411/0x2000 [ 4204.556202][ T72] inet6_addr_add+0x30e/0xa40 [ 4204.556202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.556202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.556202][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.556202][ T72] netlink_unicast+0x449/0x710 [ 4204.556202][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.556202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.556202][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.556202][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.556202][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.556202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.556202][ T72] [ 4204.558162][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4204.558162][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.558162][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.558162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.558162][ T72] ip6_route_add+0x1c/0x140 [ 4204.558162][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4204.558162][ T72] addrconf_add_dev+0xe2/0x170 [ 4204.558162][ T72] inet6_addr_add+0x12f/0xa40 [ 4204.558162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.558162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.558162][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.558162][ T72] netlink_unicast+0x449/0x710 [ 4204.558162][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.558162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.558162][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.558162][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.558162][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.558162][ T72] [ 4204.560161][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4204.560161][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4204.560161][ T72] ipv6_find_idev+0x102/0x170 [ 4204.560161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.560161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.560161][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.560161][ T72] netlink_unicast+0x449/0x710 [ 4204.560161][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.560161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.560161][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.560161][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.560161][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.560161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.560161][ T72] [ 4204.561690][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4204.561690][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4204.561690][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4204.561690][ T72] ipv6_find_idev+0x102/0x170 [ 4204.561690][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.561690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.561690][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.561690][ T72] netlink_unicast+0x449/0x710 [ 4204.561690][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.561690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.561690][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.561690][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.561690][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.561690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.561690][ T72] [ 4204.563449][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4204.563800][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4204.563800][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4204.563800][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4204.563800][ T72] fib6_nh_init+0xa22/0x1580 [ 4204.563800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.563800][ T72] ip6_route_add+0x1c/0x140 [ 4204.563800][ T72] inet6_rtm_newroute+0x104/0x110 [ 4204.563800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.563800][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.563800][ T72] netlink_unicast+0x449/0x710 [ 4204.563800][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.563800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.563800][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.563800][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.563800][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.563800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.563800][ T72] [ 4204.565771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4204.565771][ T72] dst_init+0x84/0x4a0 [ 4204.565771][ T72] dst_alloc+0x97/0x150 [ 4204.565771][ T72] ip6_dst_alloc+0x23/0x90 [ 4204.565771][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4204.565771][ T72] ip6_pol_route+0x56f/0x840 [ 4204.565771][ T72] fib6_rule_lookup+0x456/0x630 [ 4204.565771][ T72] ip6_route_input+0x59c/0xa50 [ 4204.565771][ T72] ipv6_rcv+0x397/0x810 [ 4204.565771][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4204.565771][ T72] process_backlog+0x101/0x620 [ 4204.565771][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4204.565771][ T72] net_rx_action+0x495/0xbe0 [ 4204.565771][ T72] __do_softirq+0x1b5/0x7f6 [ 4204.565771][ T72] [ 4204.567578][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4204.567578][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.567578][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.567578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.567578][ T72] ip6_route_add+0x1c/0x140 [ 4204.567578][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4204.567578][ T72] inet6_addr_add+0x4f8/0xa40 [ 4204.567578][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.567578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.567578][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.567578][ T72] netlink_unicast+0x449/0x710 [ 4204.567578][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.567578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.567578][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.567578][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.567578][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.567578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.567578][ T72] [ 4204.569865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4204.569865][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.569865][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.569865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.569865][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4204.569865][ T72] ipv6_add_addr+0x411/0x2000 [ 4204.569865][ T72] inet6_addr_add+0x30e/0xa40 [ 4204.569865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.569865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.569865][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.569865][ T72] netlink_unicast+0x449/0x710 [ 4204.569865][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.569865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.569865][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.569865][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.569865][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.569865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.569865][ T72] [ 4204.572180][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4204.572180][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.572180][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.572180][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.572180][ T72] ip6_route_add+0x1c/0x140 [ 4204.572180][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4204.572180][ T72] addrconf_add_dev+0xe2/0x170 [ 4204.572180][ T72] inet6_addr_add+0x12f/0xa40 [ 4204.572180][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.572180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.572180][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.572180][ T72] netlink_unicast+0x449/0x710 [ 4204.572180][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.572180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.572180][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.572180][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.572180][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.572180][ T72] [ 4204.574378][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4204.574378][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4204.574378][ T72] ipv6_find_idev+0x102/0x170 [ 4204.574378][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.574378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.574378][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.574378][ T72] netlink_unicast+0x449/0x710 [ 4204.574378][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.574378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.574378][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.574378][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.574378][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.574378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.574378][ T72] [ 4204.576121][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4204.576121][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4204.576121][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4204.576121][ T72] ipv6_find_idev+0x102/0x170 [ 4204.576121][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.576121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.576121][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.576121][ T72] netlink_unicast+0x449/0x710 [ 4204.576121][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.576121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.576121][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.576121][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.576121][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.576121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.576121][ T72] [ 4204.578023][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4204.578295][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4204.578295][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.578295][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.578295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.578295][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4204.578295][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4204.578295][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4204.578295][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4204.578295][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4204.578295][ T72] addrconf_dad_begin+0x310/0x670 [ 4204.578295][ T72] addrconf_dad_work+0x10b/0xab0 [ 4204.578295][ T72] process_one_work+0x84d/0x18a0 [ 4204.578295][ T72] worker_thread+0x587/0xd30 [ 4204.578295][ T72] kthread+0x28a/0x350 [ 4204.578295][ T72] ret_from_fork+0x31/0x70 [ 4204.578295][ T72] ret_from_fork_asm+0x1a/0x30 [ 4204.578295][ T72] [ 4204.580545][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4204.580545][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.580545][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.580545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.580545][ T72] ip6_route_add+0x1c/0x140 [ 4204.580545][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4204.580545][ T72] inet6_addr_add+0x4f8/0xa40 [ 4204.580545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.580545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.580545][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.580545][ T72] netlink_unicast+0x449/0x710 [ 4204.580545][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.580545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.580545][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.580545][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.580545][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.580545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.580545][ T72] [ 4204.582803][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4204.582803][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.582803][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.582803][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.582803][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4204.582803][ T72] ipv6_add_addr+0x411/0x2000 [ 4204.582803][ T72] inet6_addr_add+0x30e/0xa40 [ 4204.582803][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.582803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.582803][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.582803][ T72] netlink_unicast+0x449/0x710 [ 4204.582803][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.582803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.582803][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.582803][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.582803][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.582803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.582803][ T72] [ 4204.585034][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4204.585034][ T72] netdev_get_by_index+0x5e/0x80 [ 4204.585034][ T72] fib6_nh_init+0x3d8/0x1580 [ 4204.585034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4204.585034][ T72] ip6_route_add+0x1c/0x140 [ 4204.585034][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4204.585034][ T72] addrconf_add_dev+0xe2/0x170 [ 4204.585034][ T72] inet6_addr_add+0x12f/0xa40 [ 4204.585034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.585034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.585034][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.585034][ T72] netlink_unicast+0x449/0x710 [ 4204.585034][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.585034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.585034][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.585034][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.585034][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.585034][ T72] [ 4204.587244][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4204.587244][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4204.587244][ T72] ipv6_find_idev+0x102/0x170 [ 4204.587244][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.587244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.587244][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.587244][ T72] netlink_unicast+0x449/0x710 [ 4204.587244][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.587244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.587244][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.587244][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.587244][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.587244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.587244][ T72] [ 4204.588930][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4204.588930][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4204.588930][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4204.588930][ T72] ipv6_find_idev+0x102/0x170 [ 4204.588930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.588930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.588930][ T72] netlink_rcv_skb+0x130/0x360 [ 4204.588930][ T72] netlink_unicast+0x449/0x710 [ 4204.588930][ T72] netlink_sendmsg+0x723/0xbe0 [ 4204.588930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4204.588930][ T72] ___sys_sendmsg+0xee/0x170 [ 4204.588930][ T72] __sys_sendmsg+0xcd/0x170 [ 4204.588930][ T72] do_syscall_64+0xc6/0x1e0 [ 4204.588930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.588930][ T72] [ 4214.833024][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4214.833689][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4214.833689][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4214.833689][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4214.833689][ T72] fib6_nh_init+0xa22/0x1580 [ 4214.833689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.833689][ T72] ip6_route_add+0x1c/0x140 [ 4214.833689][ T72] inet6_rtm_newroute+0x104/0x110 [ 4214.833689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.833689][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.833689][ T72] netlink_unicast+0x449/0x710 [ 4214.833689][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.833689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.833689][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.833689][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.833689][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.833689][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.833689][ T72] [ 4214.835619][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4214.835619][ T72] dst_init+0x84/0x4a0 [ 4214.835619][ T72] dst_alloc+0x97/0x150 [ 4214.835619][ T72] ip6_dst_alloc+0x23/0x90 [ 4214.835619][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4214.835619][ T72] ip6_pol_route+0x56f/0x840 [ 4214.835619][ T72] fib6_rule_lookup+0x456/0x630 [ 4214.835619][ T72] ip6_route_input+0x59c/0xa50 [ 4214.835619][ T72] ipv6_rcv+0x397/0x810 [ 4214.835619][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4214.835619][ T72] process_backlog+0x101/0x620 [ 4214.835619][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4214.835619][ T72] net_rx_action+0x495/0xbe0 [ 4214.835619][ T72] __do_softirq+0x1b5/0x7f6 [ 4214.835619][ T72] [ 4214.837301][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4214.837301][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.837301][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.837301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.837301][ T72] ip6_route_add+0x1c/0x140 [ 4214.837301][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4214.837301][ T72] inet6_addr_add+0x4f8/0xa40 [ 4214.837301][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.837301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.837301][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.837301][ T72] netlink_unicast+0x449/0x710 [ 4214.837301][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.837301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.837301][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.837301][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.837301][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.837301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.837301][ T72] [ 4214.839351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4214.839351][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.839351][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.839351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.839351][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4214.839351][ T72] ipv6_add_addr+0x411/0x2000 [ 4214.839351][ T72] inet6_addr_add+0x30e/0xa40 [ 4214.839351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.839351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.839351][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.839351][ T72] netlink_unicast+0x449/0x710 [ 4214.839351][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.839351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.839351][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.839351][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.839351][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.839351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.839351][ T72] [ 4214.841363][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4214.841363][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.841363][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.841363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.841363][ T72] ip6_route_add+0x1c/0x140 [ 4214.841363][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4214.841363][ T72] addrconf_add_dev+0xe2/0x170 [ 4214.841363][ T72] inet6_addr_add+0x12f/0xa40 [ 4214.841363][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.841363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.841363][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.841363][ T72] netlink_unicast+0x449/0x710 [ 4214.841363][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.841363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.841363][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.841363][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.841363][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.841363][ T72] [ 4214.843333][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4214.843333][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4214.843333][ T72] ipv6_find_idev+0x102/0x170 [ 4214.843333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.843333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.843333][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.843333][ T72] netlink_unicast+0x449/0x710 [ 4214.843333][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.843333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.843333][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.843333][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.843333][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.843333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.843333][ T72] [ 4214.844892][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4214.844892][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4214.844892][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4214.844892][ T72] ipv6_find_idev+0x102/0x170 [ 4214.844892][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.844892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.844892][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.844892][ T72] netlink_unicast+0x449/0x710 [ 4214.844892][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.844892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.844892][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.844892][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.844892][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.844892][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.844892][ T72] [ 4214.846600][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4214.846902][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4214.846902][ T72] dst_init+0x84/0x4a0 [ 4214.846902][ T72] dst_alloc+0x97/0x150 [ 4214.846902][ T72] ip6_dst_alloc+0x23/0x90 [ 4214.846902][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4214.846902][ T72] ip6_pol_route+0x56f/0x840 [ 4214.846902][ T72] fib6_rule_lookup+0x456/0x630 [ 4214.846902][ T72] ip6_route_input+0x59c/0xa50 [ 4214.846902][ T72] ipv6_rcv+0x397/0x810 [ 4214.846902][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4214.846902][ T72] process_backlog+0x101/0x620 [ 4214.846902][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4214.846902][ T72] net_rx_action+0x495/0xbe0 [ 4214.846902][ T72] __do_softirq+0x1b5/0x7f6 [ 4214.846902][ T72] [ 4214.848564][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4214.848564][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.848564][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.848564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.848564][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4214.848564][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4214.848564][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4214.848564][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4214.848564][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4214.848564][ T72] addrconf_dad_begin+0x310/0x670 [ 4214.848564][ T72] addrconf_dad_work+0x10b/0xab0 [ 4214.848564][ T72] process_one_work+0x84d/0x18a0 [ 4214.848564][ T72] worker_thread+0x587/0xd30 [ 4214.848564][ T72] kthread+0x28a/0x350 [ 4214.848564][ T72] ret_from_fork+0x31/0x70 [ 4214.848564][ T72] ret_from_fork_asm+0x1a/0x30 [ 4214.848564][ T72] [ 4214.850483][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4214.850483][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.850483][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.850483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.850483][ T72] ip6_route_add+0x1c/0x140 [ 4214.850483][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4214.850483][ T72] inet6_addr_add+0x4f8/0xa40 [ 4214.850483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.850483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.850483][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.850483][ T72] netlink_unicast+0x449/0x710 [ 4214.850483][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.850483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.850483][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.850483][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.850483][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.850483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.850483][ T72] [ 4214.852479][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4214.852479][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.852479][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.852479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.852479][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4214.852479][ T72] ipv6_add_addr+0x411/0x2000 [ 4214.852479][ T72] inet6_addr_add+0x30e/0xa40 [ 4214.852479][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.852479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.852479][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.852479][ T72] netlink_unicast+0x449/0x710 [ 4214.852479][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.852479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.852479][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.852479][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.852479][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.852479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.852479][ T72] [ 4214.854492][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4214.854492][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.854492][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.854492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.854492][ T72] ip6_route_add+0x1c/0x140 [ 4214.854492][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4214.854492][ T72] addrconf_add_dev+0xe2/0x170 [ 4214.854492][ T72] inet6_addr_add+0x12f/0xa40 [ 4214.854492][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.854492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.854492][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.854492][ T72] netlink_unicast+0x449/0x710 [ 4214.854492][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.854492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.854492][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.854492][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.854492][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.854492][ T72] [ 4214.856467][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4214.856467][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4214.856467][ T72] ipv6_find_idev+0x102/0x170 [ 4214.856467][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.856467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.856467][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.856467][ T72] netlink_unicast+0x449/0x710 [ 4214.856467][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.856467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.856467][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.856467][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.856467][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.856467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.856467][ T72] [ 4214.858015][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4214.858015][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4214.858015][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4214.858015][ T72] ipv6_find_idev+0x102/0x170 [ 4214.858015][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.858015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.858015][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.858015][ T72] netlink_unicast+0x449/0x710 [ 4214.858015][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.858015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.858015][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.858015][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.858015][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.858015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.858015][ T72] [ 4214.859766][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4214.860123][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4214.860123][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4214.860123][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4214.860123][ T72] fib6_nh_init+0xa22/0x1580 [ 4214.860123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.860123][ T72] ip6_route_add+0x1c/0x140 [ 4214.860123][ T72] inet6_rtm_newroute+0x104/0x110 [ 4214.860123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.860123][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.860123][ T72] netlink_unicast+0x449/0x710 [ 4214.860123][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.860123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.860123][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.860123][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.860123][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.860123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.860123][ T72] [ 4214.862187][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4214.862187][ T72] dst_init+0x84/0x4a0 [ 4214.862187][ T72] dst_alloc+0x97/0x150 [ 4214.862187][ T72] ip6_dst_alloc+0x23/0x90 [ 4214.862187][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4214.862187][ T72] ip6_pol_route+0x56f/0x840 [ 4214.862187][ T72] fib6_rule_lookup+0x456/0x630 [ 4214.862187][ T72] ip6_route_input+0x59c/0xa50 [ 4214.862187][ T72] ipv6_rcv+0x397/0x810 [ 4214.862187][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4214.862187][ T72] process_backlog+0x101/0x620 [ 4214.862187][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4214.862187][ T72] net_rx_action+0x495/0xbe0 [ 4214.862187][ T72] __do_softirq+0x1b5/0x7f6 [ 4214.862187][ T72] [ 4214.864006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4214.864006][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.864006][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.864006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.864006][ T72] ip6_route_add+0x1c/0x140 [ 4214.864006][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4214.864006][ T72] inet6_addr_add+0x4f8/0xa40 [ 4214.864006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.864006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.864006][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.864006][ T72] netlink_unicast+0x449/0x710 [ 4214.864006][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.864006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.864006][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.864006][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.864006][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.864006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.864006][ T72] [ 4214.866261][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4214.866261][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.866261][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.866261][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.866261][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4214.866261][ T72] ipv6_add_addr+0x411/0x2000 [ 4214.866261][ T72] inet6_addr_add+0x30e/0xa40 [ 4214.866261][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.866261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.866261][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.866261][ T72] netlink_unicast+0x449/0x710 [ 4214.866261][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.866261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.866261][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.866261][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.866261][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.866261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.866261][ T72] [ 4214.868530][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4214.868530][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.868530][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.868530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.868530][ T72] ip6_route_add+0x1c/0x140 [ 4214.868530][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4214.868530][ T72] addrconf_add_dev+0xe2/0x170 [ 4214.868530][ T72] inet6_addr_add+0x12f/0xa40 [ 4214.868530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.868530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.868530][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.868530][ T72] netlink_unicast+0x449/0x710 [ 4214.868530][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.868530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.868530][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.868530][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.868530][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.868530][ T72] [ 4214.870815][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4214.870815][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4214.870815][ T72] ipv6_find_idev+0x102/0x170 [ 4214.870815][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.870815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.870815][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.870815][ T72] netlink_unicast+0x449/0x710 [ 4214.870815][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.870815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.870815][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.870815][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.870815][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.870815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.870815][ T72] [ 4214.872536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4214.872536][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4214.872536][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4214.872536][ T72] ipv6_find_idev+0x102/0x170 [ 4214.872536][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.872536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.872536][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.872536][ T72] netlink_unicast+0x449/0x710 [ 4214.872536][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.872536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.872536][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.872536][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.872536][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.872536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.872536][ T72] [ 4214.874422][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4214.874691][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4214.874691][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.874691][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.874691][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.874691][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4214.874691][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4214.874691][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4214.874691][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4214.874691][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4214.874691][ T72] addrconf_dad_begin+0x310/0x670 [ 4214.874691][ T72] addrconf_dad_work+0x10b/0xab0 [ 4214.874691][ T72] process_one_work+0x84d/0x18a0 [ 4214.874691][ T72] worker_thread+0x587/0xd30 [ 4214.874691][ T72] kthread+0x28a/0x350 [ 4214.874691][ T72] ret_from_fork+0x31/0x70 [ 4214.874691][ T72] ret_from_fork_asm+0x1a/0x30 [ 4214.874691][ T72] [ 4214.876854][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4214.876854][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.876854][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.876854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.876854][ T72] ip6_route_add+0x1c/0x140 [ 4214.876854][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4214.876854][ T72] inet6_addr_add+0x4f8/0xa40 [ 4214.876854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.876854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.876854][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.876854][ T72] netlink_unicast+0x449/0x710 [ 4214.876854][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.876854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.876854][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.876854][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.876854][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.876854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.876854][ T72] [ 4214.879129][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4214.879129][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.879129][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.879129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.879129][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4214.879129][ T72] ipv6_add_addr+0x411/0x2000 [ 4214.879129][ T72] inet6_addr_add+0x30e/0xa40 [ 4214.879129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.879129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.879129][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.879129][ T72] netlink_unicast+0x449/0x710 [ 4214.879129][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.879129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.879129][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.879129][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.879129][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.879129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.879129][ T72] [ 4214.881437][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4214.881437][ T72] netdev_get_by_index+0x5e/0x80 [ 4214.881437][ T72] fib6_nh_init+0x3d8/0x1580 [ 4214.881437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4214.881437][ T72] ip6_route_add+0x1c/0x140 [ 4214.881437][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4214.881437][ T72] addrconf_add_dev+0xe2/0x170 [ 4214.881437][ T72] inet6_addr_add+0x12f/0xa40 [ 4214.881437][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.881437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.881437][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.881437][ T72] netlink_unicast+0x449/0x710 [ 4214.881437][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.881437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.881437][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.881437][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.881437][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.881437][ T72] [ 4214.883654][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4214.883654][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4214.883654][ T72] ipv6_find_idev+0x102/0x170 [ 4214.883654][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.883654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.883654][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.883654][ T72] netlink_unicast+0x449/0x710 [ 4214.883654][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.883654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.883654][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.883654][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.883654][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.883654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.883654][ T72] [ 4214.885315][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4214.885315][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4214.885315][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4214.885315][ T72] ipv6_find_idev+0x102/0x170 [ 4214.885315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.885315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.885315][ T72] netlink_rcv_skb+0x130/0x360 [ 4214.885315][ T72] netlink_unicast+0x449/0x710 [ 4214.885315][ T72] netlink_sendmsg+0x723/0xbe0 [ 4214.885315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4214.885315][ T72] ___sys_sendmsg+0xee/0x170 [ 4214.885315][ T72] __sys_sendmsg+0xcd/0x170 [ 4214.885315][ T72] do_syscall_64+0xc6/0x1e0 [ 4214.885315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.885315][ T72] [ 4224.928903][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4224.929390][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4224.929390][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4224.929390][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4224.929390][ T72] fib6_nh_init+0xa22/0x1580 [ 4224.929390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.929390][ T72] ip6_route_add+0x1c/0x140 [ 4224.929390][ T72] inet6_rtm_newroute+0x104/0x110 [ 4224.929390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.929390][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.929390][ T72] netlink_unicast+0x449/0x710 [ 4224.929390][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.929390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.929390][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.929390][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.929390][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.929390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.929390][ T72] [ 4224.931867][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4224.931867][ T72] dst_init+0x84/0x4a0 [ 4224.931867][ T72] dst_alloc+0x97/0x150 [ 4224.931867][ T72] ip6_dst_alloc+0x23/0x90 [ 4224.931867][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4224.931867][ T72] ip6_pol_route+0x56f/0x840 [ 4224.931867][ T72] fib6_rule_lookup+0x456/0x630 [ 4224.931867][ T72] ip6_route_input+0x59c/0xa50 [ 4224.931867][ T72] ipv6_rcv+0x397/0x810 [ 4224.931867][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4224.931867][ T72] process_backlog+0x101/0x620 [ 4224.931867][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4224.931867][ T72] net_rx_action+0x495/0xbe0 [ 4224.931867][ T72] __do_softirq+0x1b5/0x7f6 [ 4224.931867][ T72] [ 4224.933533][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4224.933533][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.933533][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.933533][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.933533][ T72] ip6_route_add+0x1c/0x140 [ 4224.933533][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4224.933533][ T72] inet6_addr_add+0x4f8/0xa40 [ 4224.933533][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.933533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.933533][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.933533][ T72] netlink_unicast+0x449/0x710 [ 4224.933533][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.933533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.933533][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.933533][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.933533][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.933533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.933533][ T72] [ 4224.935561][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4224.935561][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.935561][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.935561][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.935561][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4224.935561][ T72] ipv6_add_addr+0x411/0x2000 [ 4224.935561][ T72] inet6_addr_add+0x30e/0xa40 [ 4224.935561][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.935561][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.935561][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.935561][ T72] netlink_unicast+0x449/0x710 [ 4224.935561][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.935561][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.935561][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.935561][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.935561][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.935561][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.935561][ T72] [ 4224.937951][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4224.937951][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.937951][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.937951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.937951][ T72] ip6_route_add+0x1c/0x140 [ 4224.937951][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4224.937951][ T72] addrconf_add_dev+0xe2/0x170 [ 4224.937951][ T72] inet6_addr_add+0x12f/0xa40 [ 4224.937951][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.937951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.937951][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.937951][ T72] netlink_unicast+0x449/0x710 [ 4224.937951][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.937951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.937951][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.937951][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.937951][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.937951][ T72] [ 4224.939940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4224.939940][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4224.939940][ T72] ipv6_find_idev+0x102/0x170 [ 4224.939940][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.939940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.939940][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.939940][ T72] netlink_unicast+0x449/0x710 [ 4224.939940][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.939940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.939940][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.939940][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.939940][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.939940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.939940][ T72] [ 4224.941489][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4224.941489][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4224.941489][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4224.941489][ T72] ipv6_find_idev+0x102/0x170 [ 4224.941489][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.941489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.941489][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.941489][ T72] netlink_unicast+0x449/0x710 [ 4224.941489][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.941489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.941489][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.941489][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.941489][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.941489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.941489][ T72] [ 4224.943190][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4224.943464][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4224.943464][ T72] dst_init+0x84/0x4a0 [ 4224.943464][ T72] dst_alloc+0x97/0x150 [ 4224.943464][ T72] ip6_dst_alloc+0x23/0x90 [ 4224.943464][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4224.943464][ T72] ip6_pol_route+0x56f/0x840 [ 4224.943464][ T72] fib6_rule_lookup+0x456/0x630 [ 4224.943464][ T72] ip6_route_input+0x59c/0xa50 [ 4224.943464][ T72] ipv6_rcv+0x397/0x810 [ 4224.943464][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4224.943464][ T72] process_backlog+0x101/0x620 [ 4224.943464][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4224.943464][ T72] net_rx_action+0x495/0xbe0 [ 4224.943464][ T72] __do_softirq+0x1b5/0x7f6 [ 4224.943464][ T72] [ 4224.945116][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4224.945116][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.945116][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.945116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.945116][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4224.945116][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4224.945116][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4224.945116][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4224.945116][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4224.945116][ T72] addrconf_dad_begin+0x310/0x670 [ 4224.945116][ T72] addrconf_dad_work+0x10b/0xab0 [ 4224.945116][ T72] process_one_work+0x84d/0x18a0 [ 4224.945116][ T72] worker_thread+0x587/0xd30 [ 4224.945116][ T72] kthread+0x28a/0x350 [ 4224.945116][ T72] ret_from_fork+0x31/0x70 [ 4224.945116][ T72] ret_from_fork_asm+0x1a/0x30 [ 4224.945116][ T72] [ 4224.947036][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4224.947036][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.947036][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.947036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.947036][ T72] ip6_route_add+0x1c/0x140 [ 4224.947036][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4224.947036][ T72] inet6_addr_add+0x4f8/0xa40 [ 4224.947036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.947036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.947036][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.947036][ T72] netlink_unicast+0x449/0x710 [ 4224.947036][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.947036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.947036][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.947036][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.947036][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.947036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.947036][ T72] [ 4224.949054][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4224.949054][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.949054][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.949054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.949054][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4224.949054][ T72] ipv6_add_addr+0x411/0x2000 [ 4224.949054][ T72] inet6_addr_add+0x30e/0xa40 [ 4224.949054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.949054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.949054][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.949054][ T72] netlink_unicast+0x449/0x710 [ 4224.949054][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.949054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.949054][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.949054][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.949054][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.949054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.949054][ T72] [ 4224.951060][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4224.951060][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.951060][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.951060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.951060][ T72] ip6_route_add+0x1c/0x140 [ 4224.951060][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4224.951060][ T72] addrconf_add_dev+0xe2/0x170 [ 4224.951060][ T72] inet6_addr_add+0x12f/0xa40 [ 4224.951060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.951060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.951060][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.951060][ T72] netlink_unicast+0x449/0x710 [ 4224.951060][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.951060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.951060][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.951060][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.951060][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.951060][ T72] [ 4224.953030][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4224.953030][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4224.953030][ T72] ipv6_find_idev+0x102/0x170 [ 4224.953030][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.953030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.953030][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.953030][ T72] netlink_unicast+0x449/0x710 [ 4224.953030][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.953030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.953030][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.953030][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.953030][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.953030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.953030][ T72] [ 4224.954576][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4224.954576][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4224.954576][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4224.954576][ T72] ipv6_find_idev+0x102/0x170 [ 4224.954576][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.954576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.954576][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.954576][ T72] netlink_unicast+0x449/0x710 [ 4224.954576][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.954576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.954576][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.954576][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.954576][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.954576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.954576][ T72] [ 4224.956345][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4224.956612][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4224.956612][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4224.956612][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4224.956612][ T72] fib6_nh_init+0xa22/0x1580 [ 4224.956612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.956612][ T72] ip6_route_add+0x1c/0x140 [ 4224.956612][ T72] inet6_rtm_newroute+0x104/0x110 [ 4224.956612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.956612][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.956612][ T72] netlink_unicast+0x449/0x710 [ 4224.956612][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.956612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.956612][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.956612][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.956612][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.956612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.956612][ T72] [ 4224.958642][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4224.958642][ T72] dst_init+0x84/0x4a0 [ 4224.958642][ T72] dst_alloc+0x97/0x150 [ 4224.958642][ T72] ip6_dst_alloc+0x23/0x90 [ 4224.958642][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4224.958642][ T72] ip6_pol_route+0x56f/0x840 [ 4224.958642][ T72] fib6_rule_lookup+0x456/0x630 [ 4224.958642][ T72] ip6_route_input+0x59c/0xa50 [ 4224.958642][ T72] ipv6_rcv+0x397/0x810 [ 4224.958642][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4224.958642][ T72] process_backlog+0x101/0x620 [ 4224.958642][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4224.958642][ T72] net_rx_action+0x495/0xbe0 [ 4224.958642][ T72] __do_softirq+0x1b5/0x7f6 [ 4224.958642][ T72] [ 4224.960427][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4224.960427][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.960427][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.960427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.960427][ T72] ip6_route_add+0x1c/0x140 [ 4224.960427][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4224.960427][ T72] inet6_addr_add+0x4f8/0xa40 [ 4224.960427][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.960427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.960427][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.960427][ T72] netlink_unicast+0x449/0x710 [ 4224.960427][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.960427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.960427][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.960427][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.960427][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.960427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.960427][ T72] [ 4224.962580][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4224.962580][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.962580][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.962580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.962580][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4224.962580][ T72] ipv6_add_addr+0x411/0x2000 [ 4224.962580][ T72] inet6_addr_add+0x30e/0xa40 [ 4224.962580][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.962580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.962580][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.962580][ T72] netlink_unicast+0x449/0x710 [ 4224.962580][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.962580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.962580][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.962580][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.962580][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.962580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.962580][ T72] [ 4224.964726][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4224.964726][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.964726][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.964726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.964726][ T72] ip6_route_add+0x1c/0x140 [ 4224.964726][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4224.964726][ T72] addrconf_add_dev+0xe2/0x170 [ 4224.964726][ T72] inet6_addr_add+0x12f/0xa40 [ 4224.964726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.964726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.964726][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.964726][ T72] netlink_unicast+0x449/0x710 [ 4224.964726][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.964726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.964726][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.964726][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.964726][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.964726][ T72] [ 4224.967010][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4224.967010][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4224.967010][ T72] ipv6_find_idev+0x102/0x170 [ 4224.967010][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.967010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.967010][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.967010][ T72] netlink_unicast+0x449/0x710 [ 4224.967010][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.967010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.967010][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.967010][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.967010][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.967010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.967010][ T72] [ 4224.968632][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4224.968632][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4224.968632][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4224.968632][ T72] ipv6_find_idev+0x102/0x170 [ 4224.968632][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.968632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.968632][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.968632][ T72] netlink_unicast+0x449/0x710 [ 4224.968632][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.968632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.968632][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.968632][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.968632][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.968632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.968632][ T72] [ 4224.970469][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4224.970751][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4224.970751][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.970751][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.970751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.970751][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4224.970751][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4224.970751][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4224.970751][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4224.970751][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4224.970751][ T72] addrconf_dad_begin+0x310/0x670 [ 4224.970751][ T72] addrconf_dad_work+0x10b/0xab0 [ 4224.970751][ T72] process_one_work+0x84d/0x18a0 [ 4224.970751][ T72] worker_thread+0x587/0xd30 [ 4224.970751][ T72] kthread+0x28a/0x350 [ 4224.970751][ T72] ret_from_fork+0x31/0x70 [ 4224.970751][ T72] ret_from_fork_asm+0x1a/0x30 [ 4224.970751][ T72] [ 4224.972804][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4224.972804][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.972804][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.972804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.972804][ T72] ip6_route_add+0x1c/0x140 [ 4224.972804][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4224.972804][ T72] inet6_addr_add+0x4f8/0xa40 [ 4224.972804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.972804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.972804][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.972804][ T72] netlink_unicast+0x449/0x710 [ 4224.972804][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.972804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.972804][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.972804][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.972804][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.972804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.972804][ T72] [ 4224.974944][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4224.974944][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.974944][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.974944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.974944][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4224.974944][ T72] ipv6_add_addr+0x411/0x2000 [ 4224.974944][ T72] inet6_addr_add+0x30e/0xa40 [ 4224.974944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.974944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.974944][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.974944][ T72] netlink_unicast+0x449/0x710 [ 4224.974944][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.974944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.974944][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.974944][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.974944][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.974944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.974944][ T72] [ 4224.977141][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4224.977141][ T72] netdev_get_by_index+0x5e/0x80 [ 4224.977141][ T72] fib6_nh_init+0x3d8/0x1580 [ 4224.977141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4224.977141][ T72] ip6_route_add+0x1c/0x140 [ 4224.977141][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4224.977141][ T72] addrconf_add_dev+0xe2/0x170 [ 4224.977141][ T72] inet6_addr_add+0x12f/0xa40 [ 4224.977141][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.977141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.977141][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.977141][ T72] netlink_unicast+0x449/0x710 [ 4224.977141][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.977141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.977141][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.977141][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.977141][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.977141][ T72] [ 4224.979244][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4224.979244][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4224.979244][ T72] ipv6_find_idev+0x102/0x170 [ 4224.979244][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.979244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.979244][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.979244][ T72] netlink_unicast+0x449/0x710 [ 4224.979244][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.979244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.979244][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.979244][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.979244][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.979244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.979244][ T72] [ 4224.980856][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4224.980856][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4224.980856][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4224.980856][ T72] ipv6_find_idev+0x102/0x170 [ 4224.980856][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.980856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.980856][ T72] netlink_rcv_skb+0x130/0x360 [ 4224.980856][ T72] netlink_unicast+0x449/0x710 [ 4224.980856][ T72] netlink_sendmsg+0x723/0xbe0 [ 4224.980856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4224.980856][ T72] ___sys_sendmsg+0xee/0x170 [ 4224.980856][ T72] __sys_sendmsg+0xcd/0x170 [ 4224.980856][ T72] do_syscall_64+0xc6/0x1e0 [ 4224.980856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.980856][ T72] [ 4235.193025][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4235.193978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4235.193978][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4235.193978][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4235.193978][ T72] fib6_nh_init+0xa22/0x1580 [ 4235.193978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.193978][ T72] ip6_route_add+0x1c/0x140 [ 4235.193978][ T72] inet6_rtm_newroute+0x104/0x110 [ 4235.193978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.193978][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.193978][ T72] netlink_unicast+0x449/0x710 [ 4235.193978][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.193978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.193978][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.193978][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.193978][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.193978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.193978][ T72] [ 4235.195902][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4235.195902][ T72] dst_init+0x84/0x4a0 [ 4235.195902][ T72] dst_alloc+0x97/0x150 [ 4235.195902][ T72] ip6_dst_alloc+0x23/0x90 [ 4235.195902][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4235.195902][ T72] ip6_pol_route+0x56f/0x840 [ 4235.195902][ T72] fib6_rule_lookup+0x456/0x630 [ 4235.195902][ T72] ip6_route_input+0x59c/0xa50 [ 4235.195902][ T72] ipv6_rcv+0x397/0x810 [ 4235.195902][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4235.195902][ T72] process_backlog+0x101/0x620 [ 4235.195902][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4235.195902][ T72] net_rx_action+0x495/0xbe0 [ 4235.195902][ T72] __do_softirq+0x1b5/0x7f6 [ 4235.195902][ T72] [ 4235.197546][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4235.197546][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.197546][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.197546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.197546][ T72] ip6_route_add+0x1c/0x140 [ 4235.197546][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4235.197546][ T72] inet6_addr_add+0x4f8/0xa40 [ 4235.197546][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.197546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.197546][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.197546][ T72] netlink_unicast+0x449/0x710 [ 4235.197546][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.197546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.197546][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.197546][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.197546][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.197546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.197546][ T72] [ 4235.199609][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4235.199609][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.199609][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.199609][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.199609][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4235.199609][ T72] ipv6_add_addr+0x411/0x2000 [ 4235.199609][ T72] inet6_addr_add+0x30e/0xa40 [ 4235.199609][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.199609][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.199609][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.199609][ T72] netlink_unicast+0x449/0x710 [ 4235.199609][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.199609][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.199609][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.199609][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.199609][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.199609][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.199609][ T72] [ 4235.201615][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4235.201615][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.201615][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.201615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.201615][ T72] ip6_route_add+0x1c/0x140 [ 4235.201615][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4235.201615][ T72] addrconf_add_dev+0xe2/0x170 [ 4235.201615][ T72] inet6_addr_add+0x12f/0xa40 [ 4235.201615][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.201615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.201615][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.201615][ T72] netlink_unicast+0x449/0x710 [ 4235.201615][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.201615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.201615][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.201615][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.201615][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.201615][ T72] [ 4235.203566][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4235.203566][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4235.203566][ T72] ipv6_find_idev+0x102/0x170 [ 4235.203566][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.203566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.203566][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.203566][ T72] netlink_unicast+0x449/0x710 [ 4235.203566][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.203566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.203566][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.203566][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.203566][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.203566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.203566][ T72] [ 4235.205115][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4235.205115][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4235.205115][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4235.205115][ T72] ipv6_find_idev+0x102/0x170 [ 4235.205115][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.205115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.205115][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.205115][ T72] netlink_unicast+0x449/0x710 [ 4235.205115][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.205115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.205115][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.205115][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.205115][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.205115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.205115][ T72] [ 4235.206844][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4235.207136][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4235.207136][ T72] dst_init+0x84/0x4a0 [ 4235.207136][ T72] dst_alloc+0x97/0x150 [ 4235.207136][ T72] ip6_dst_alloc+0x23/0x90 [ 4235.207136][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4235.207136][ T72] ip6_pol_route+0x56f/0x840 [ 4235.207136][ T72] fib6_rule_lookup+0x456/0x630 [ 4235.207136][ T72] ip6_route_input+0x59c/0xa50 [ 4235.207136][ T72] ipv6_rcv+0x397/0x810 [ 4235.207136][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4235.207136][ T72] process_backlog+0x101/0x620 [ 4235.207136][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4235.207136][ T72] net_rx_action+0x495/0xbe0 [ 4235.207136][ T72] __do_softirq+0x1b5/0x7f6 [ 4235.207136][ T72] [ 4235.208800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4235.208800][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.208800][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.208800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.208800][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4235.208800][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4235.208800][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4235.208800][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4235.208800][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4235.208800][ T72] addrconf_dad_begin+0x310/0x670 [ 4235.208800][ T72] addrconf_dad_work+0x10b/0xab0 [ 4235.208800][ T72] process_one_work+0x84d/0x18a0 [ 4235.208800][ T72] worker_thread+0x587/0xd30 [ 4235.208800][ T72] kthread+0x28a/0x350 [ 4235.208800][ T72] ret_from_fork+0x31/0x70 [ 4235.208800][ T72] ret_from_fork_asm+0x1a/0x30 [ 4235.208800][ T72] [ 4235.210682][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4235.210682][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.210682][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.210682][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.210682][ T72] ip6_route_add+0x1c/0x140 [ 4235.210682][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4235.210682][ T72] inet6_addr_add+0x4f8/0xa40 [ 4235.210682][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.210682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.210682][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.210682][ T72] netlink_unicast+0x449/0x710 [ 4235.210682][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.210682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.210682][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.210682][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.210682][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.210682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.210682][ T72] [ 4235.212635][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4235.212635][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.212635][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.212635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.212635][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4235.212635][ T72] ipv6_add_addr+0x411/0x2000 [ 4235.212635][ T72] inet6_addr_add+0x30e/0xa40 [ 4235.212635][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.212635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.212635][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.212635][ T72] netlink_unicast+0x449/0x710 [ 4235.212635][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.212635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.212635][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.212635][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.212635][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.212635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.212635][ T72] [ 4235.214613][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4235.214613][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.214613][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.214613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.214613][ T72] ip6_route_add+0x1c/0x140 [ 4235.214613][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4235.214613][ T72] addrconf_add_dev+0xe2/0x170 [ 4235.214613][ T72] inet6_addr_add+0x12f/0xa40 [ 4235.214613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.214613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.214613][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.214613][ T72] netlink_unicast+0x449/0x710 [ 4235.214613][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.214613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.214613][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.214613][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.214613][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.214613][ T72] [ 4235.216579][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4235.216579][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4235.216579][ T72] ipv6_find_idev+0x102/0x170 [ 4235.216579][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.216579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.216579][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.216579][ T72] netlink_unicast+0x449/0x710 [ 4235.216579][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.216579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.216579][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.216579][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.216579][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.216579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.216579][ T72] [ 4235.218219][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4235.218219][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4235.218219][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4235.218219][ T72] ipv6_find_idev+0x102/0x170 [ 4235.218219][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.218219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.218219][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.218219][ T72] netlink_unicast+0x449/0x710 [ 4235.218219][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.218219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.218219][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.218219][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.218219][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.218219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.218219][ T72] [ 4235.219986][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4235.220338][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4235.220338][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4235.220338][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4235.220338][ T72] fib6_nh_init+0xa22/0x1580 [ 4235.220338][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.220338][ T72] ip6_route_add+0x1c/0x140 [ 4235.220338][ T72] inet6_rtm_newroute+0x104/0x110 [ 4235.220338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.220338][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.220338][ T72] netlink_unicast+0x449/0x710 [ 4235.220338][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.220338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.220338][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.220338][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.220338][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.220338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.220338][ T72] [ 4235.222354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4235.222354][ T72] dst_init+0x84/0x4a0 [ 4235.222354][ T72] dst_alloc+0x97/0x150 [ 4235.222354][ T72] ip6_dst_alloc+0x23/0x90 [ 4235.222354][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4235.222354][ T72] ip6_pol_route+0x56f/0x840 [ 4235.222354][ T72] fib6_rule_lookup+0x456/0x630 [ 4235.222354][ T72] ip6_route_input+0x59c/0xa50 [ 4235.222354][ T72] ipv6_rcv+0x397/0x810 [ 4235.222354][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4235.222354][ T72] process_backlog+0x101/0x620 [ 4235.222354][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4235.222354][ T72] net_rx_action+0x495/0xbe0 [ 4235.222354][ T72] __do_softirq+0x1b5/0x7f6 [ 4235.222354][ T72] [ 4235.224195][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4235.224195][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.224195][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.224195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.224195][ T72] ip6_route_add+0x1c/0x140 [ 4235.224195][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4235.224195][ T72] inet6_addr_add+0x4f8/0xa40 [ 4235.224195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.224195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.224195][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.224195][ T72] netlink_unicast+0x449/0x710 [ 4235.224195][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.224195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.224195][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.224195][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.224195][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.224195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.224195][ T72] [ 4235.226515][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4235.226515][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.226515][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.226515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.226515][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4235.226515][ T72] ipv6_add_addr+0x411/0x2000 [ 4235.226515][ T72] inet6_addr_add+0x30e/0xa40 [ 4235.226515][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.226515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.226515][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.226515][ T72] netlink_unicast+0x449/0x710 [ 4235.226515][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.226515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.226515][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.226515][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.226515][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.226515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.226515][ T72] [ 4235.228726][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4235.228726][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.228726][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.228726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.228726][ T72] ip6_route_add+0x1c/0x140 [ 4235.228726][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4235.228726][ T72] addrconf_add_dev+0xe2/0x170 [ 4235.228726][ T72] inet6_addr_add+0x12f/0xa40 [ 4235.228726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.228726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.228726][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.228726][ T72] netlink_unicast+0x449/0x710 [ 4235.228726][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.228726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.228726][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.228726][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.228726][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.228726][ T72] [ 4235.230942][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4235.230942][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4235.230942][ T72] ipv6_find_idev+0x102/0x170 [ 4235.230942][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.230942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.230942][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.230942][ T72] netlink_unicast+0x449/0x710 [ 4235.230942][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.230942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.230942][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.230942][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.230942][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.230942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.230942][ T72] [ 4235.232665][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4235.232665][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4235.232665][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4235.232665][ T72] ipv6_find_idev+0x102/0x170 [ 4235.232665][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.232665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.232665][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.232665][ T72] netlink_unicast+0x449/0x710 [ 4235.232665][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.232665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.232665][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.232665][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.232665][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.232665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.232665][ T72] [ 4235.234558][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4235.234843][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4235.234843][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.234843][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.234843][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.234843][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4235.234843][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4235.234843][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4235.234843][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4235.234843][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4235.234843][ T72] addrconf_dad_begin+0x310/0x670 [ 4235.234843][ T72] addrconf_dad_work+0x10b/0xab0 [ 4235.234843][ T72] process_one_work+0x84d/0x18a0 [ 4235.234843][ T72] worker_thread+0x587/0xd30 [ 4235.234843][ T72] kthread+0x28a/0x350 [ 4235.234843][ T72] ret_from_fork+0x31/0x70 [ 4235.234843][ T72] ret_from_fork_asm+0x1a/0x30 [ 4235.234843][ T72] [ 4235.237107][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4235.237107][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.237107][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.237107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.237107][ T72] ip6_route_add+0x1c/0x140 [ 4235.237107][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4235.237107][ T72] inet6_addr_add+0x4f8/0xa40 [ 4235.237107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.237107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.237107][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.237107][ T72] netlink_unicast+0x449/0x710 [ 4235.237107][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.237107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.237107][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.237107][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.237107][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.237107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.237107][ T72] [ 4235.239369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4235.239369][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.239369][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.239369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.239369][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4235.239369][ T72] ipv6_add_addr+0x411/0x2000 [ 4235.239369][ T72] inet6_addr_add+0x30e/0xa40 [ 4235.239369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.239369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.239369][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.239369][ T72] netlink_unicast+0x449/0x710 [ 4235.239369][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.239369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.239369][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.239369][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.239369][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.239369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.239369][ T72] [ 4235.241556][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4235.241556][ T72] netdev_get_by_index+0x5e/0x80 [ 4235.241556][ T72] fib6_nh_init+0x3d8/0x1580 [ 4235.241556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4235.241556][ T72] ip6_route_add+0x1c/0x140 [ 4235.241556][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4235.241556][ T72] addrconf_add_dev+0xe2/0x170 [ 4235.241556][ T72] inet6_addr_add+0x12f/0xa40 [ 4235.241556][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.241556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.241556][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.241556][ T72] netlink_unicast+0x449/0x710 [ 4235.241556][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.241556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.241556][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.241556][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.241556][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.241556][ T72] [ 4235.243773][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4235.243773][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4235.243773][ T72] ipv6_find_idev+0x102/0x170 [ 4235.243773][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.243773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.243773][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.243773][ T72] netlink_unicast+0x449/0x710 [ 4235.243773][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.243773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.243773][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.243773][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.243773][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.243773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.243773][ T72] [ 4235.245558][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4235.245558][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4235.245558][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4235.245558][ T72] ipv6_find_idev+0x102/0x170 [ 4235.245558][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.245558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.245558][ T72] netlink_rcv_skb+0x130/0x360 [ 4235.245558][ T72] netlink_unicast+0x449/0x710 [ 4235.245558][ T72] netlink_sendmsg+0x723/0xbe0 [ 4235.245558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4235.245558][ T72] ___sys_sendmsg+0xee/0x170 [ 4235.245558][ T72] __sys_sendmsg+0xcd/0x170 [ 4235.245558][ T72] do_syscall_64+0xc6/0x1e0 [ 4235.245558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.245558][ T72] [ 4245.488920][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4245.489578][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4245.489578][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4245.489578][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4245.489578][ T72] fib6_nh_init+0xa22/0x1580 [ 4245.489578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.489578][ T72] ip6_route_add+0x1c/0x140 [ 4245.489578][ T72] inet6_rtm_newroute+0x104/0x110 [ 4245.489578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.489578][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.489578][ T72] netlink_unicast+0x449/0x710 [ 4245.489578][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.489578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.489578][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.489578][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.489578][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.489578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.489578][ T72] [ 4245.491772][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4245.491772][ T72] dst_init+0x84/0x4a0 [ 4245.491772][ T72] dst_alloc+0x97/0x150 [ 4245.491772][ T72] ip6_dst_alloc+0x23/0x90 [ 4245.491772][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4245.491772][ T72] ip6_pol_route+0x56f/0x840 [ 4245.491772][ T72] fib6_rule_lookup+0x456/0x630 [ 4245.491772][ T72] ip6_route_input+0x59c/0xa50 [ 4245.491772][ T72] ipv6_rcv+0x397/0x810 [ 4245.491772][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4245.491772][ T72] process_backlog+0x101/0x620 [ 4245.491772][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4245.491772][ T72] net_rx_action+0x495/0xbe0 [ 4245.491772][ T72] __do_softirq+0x1b5/0x7f6 [ 4245.491772][ T72] [ 4245.493638][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4245.493638][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.493638][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.493638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.493638][ T72] ip6_route_add+0x1c/0x140 [ 4245.493638][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4245.493638][ T72] inet6_addr_add+0x4f8/0xa40 [ 4245.493638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.493638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.493638][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.493638][ T72] netlink_unicast+0x449/0x710 [ 4245.493638][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.493638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.493638][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.493638][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.493638][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.493638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.493638][ T72] [ 4245.495918][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4245.495918][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.495918][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.495918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.495918][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4245.495918][ T72] ipv6_add_addr+0x411/0x2000 [ 4245.495918][ T72] inet6_addr_add+0x30e/0xa40 [ 4245.495918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.495918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.495918][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.495918][ T72] netlink_unicast+0x449/0x710 [ 4245.495918][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.495918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.495918][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.495918][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.495918][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.495918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.495918][ T72] [ 4245.498227][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4245.498227][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.498227][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.498227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.498227][ T72] ip6_route_add+0x1c/0x140 [ 4245.498227][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4245.498227][ T72] addrconf_add_dev+0xe2/0x170 [ 4245.498227][ T72] inet6_addr_add+0x12f/0xa40 [ 4245.498227][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.498227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.498227][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.498227][ T72] netlink_unicast+0x449/0x710 [ 4245.498227][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.498227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.498227][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.498227][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.498227][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.498227][ T72] [ 4245.500443][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4245.500443][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4245.500443][ T72] ipv6_find_idev+0x102/0x170 [ 4245.500443][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.500443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.500443][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.500443][ T72] netlink_unicast+0x449/0x710 [ 4245.500443][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.500443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.500443][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.500443][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.500443][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.500443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.500443][ T72] [ 4245.502175][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4245.502175][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4245.502175][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4245.502175][ T72] ipv6_find_idev+0x102/0x170 [ 4245.502175][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.502175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.502175][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.502175][ T72] netlink_unicast+0x449/0x710 [ 4245.502175][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.502175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.502175][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.502175][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.502175][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.502175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.502175][ T72] [ 4245.504119][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4245.504428][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4245.504428][ T72] dst_init+0x84/0x4a0 [ 4245.504428][ T72] dst_alloc+0x97/0x150 [ 4245.504428][ T72] ip6_dst_alloc+0x23/0x90 [ 4245.504428][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4245.504428][ T72] ip6_pol_route+0x56f/0x840 [ 4245.504428][ T72] fib6_rule_lookup+0x456/0x630 [ 4245.504428][ T72] ip6_route_input+0x59c/0xa50 [ 4245.504428][ T72] ipv6_rcv+0x397/0x810 [ 4245.504428][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4245.504428][ T72] process_backlog+0x101/0x620 [ 4245.504428][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4245.504428][ T72] net_rx_action+0x495/0xbe0 [ 4245.504428][ T72] __do_softirq+0x1b5/0x7f6 [ 4245.504428][ T72] [ 4245.506279][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4245.506279][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.506279][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.506279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.506279][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4245.506279][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4245.506279][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4245.506279][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4245.506279][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4245.506279][ T72] addrconf_dad_begin+0x310/0x670 [ 4245.506279][ T72] addrconf_dad_work+0x10b/0xab0 [ 4245.506279][ T72] process_one_work+0x84d/0x18a0 [ 4245.506279][ T72] worker_thread+0x587/0xd30 [ 4245.506279][ T72] kthread+0x28a/0x350 [ 4245.506279][ T72] ret_from_fork+0x31/0x70 [ 4245.506279][ T72] ret_from_fork_asm+0x1a/0x30 [ 4245.506279][ T72] [ 4245.508434][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4245.508434][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.508434][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.508434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.508434][ T72] ip6_route_add+0x1c/0x140 [ 4245.508434][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4245.508434][ T72] inet6_addr_add+0x4f8/0xa40 [ 4245.508434][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.508434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.508434][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.508434][ T72] netlink_unicast+0x449/0x710 [ 4245.508434][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.508434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.508434][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.508434][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.508434][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.508434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.508434][ T72] [ 4245.510695][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4245.510695][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.510695][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.510695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.510695][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4245.510695][ T72] ipv6_add_addr+0x411/0x2000 [ 4245.510695][ T72] inet6_addr_add+0x30e/0xa40 [ 4245.510695][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.510695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.510695][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.510695][ T72] netlink_unicast+0x449/0x710 [ 4245.510695][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.510695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.510695][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.510695][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.510695][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.510695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.510695][ T72] [ 4245.512937][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4245.512937][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.512937][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.512937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.512937][ T72] ip6_route_add+0x1c/0x140 [ 4245.512937][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4245.512937][ T72] addrconf_add_dev+0xe2/0x170 [ 4245.512937][ T72] inet6_addr_add+0x12f/0xa40 [ 4245.512937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.512937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.512937][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.512937][ T72] netlink_unicast+0x449/0x710 [ 4245.512937][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.512937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.512937][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.512937][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.512937][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.512937][ T72] [ 4245.515143][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4245.515143][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4245.515143][ T72] ipv6_find_idev+0x102/0x170 [ 4245.515143][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.515143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.515143][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.515143][ T72] netlink_unicast+0x449/0x710 [ 4245.515143][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.515143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.515143][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.515143][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.515143][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.515143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.515143][ T72] [ 4245.516872][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4245.516872][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4245.516872][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4245.516872][ T72] ipv6_find_idev+0x102/0x170 [ 4245.516872][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.516872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.516872][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.516872][ T72] netlink_unicast+0x449/0x710 [ 4245.516872][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.516872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.516872][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.516872][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.516872][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.516872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.516872][ T72] [ 4245.518855][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4245.519152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4245.519152][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4245.519152][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4245.519152][ T72] fib6_nh_init+0xa22/0x1580 [ 4245.519152][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.519152][ T72] ip6_route_add+0x1c/0x140 [ 4245.519152][ T72] inet6_rtm_newroute+0x104/0x110 [ 4245.519152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.519152][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.519152][ T72] netlink_unicast+0x449/0x710 [ 4245.519152][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.519152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.519152][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.519152][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.519152][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.519152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.519152][ T72] [ 4245.521401][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4245.521401][ T72] dst_init+0x84/0x4a0 [ 4245.521401][ T72] dst_alloc+0x97/0x150 [ 4245.521401][ T72] ip6_dst_alloc+0x23/0x90 [ 4245.521401][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4245.521401][ T72] ip6_pol_route+0x56f/0x840 [ 4245.521401][ T72] fib6_rule_lookup+0x456/0x630 [ 4245.521401][ T72] ip6_route_input+0x59c/0xa50 [ 4245.521401][ T72] ipv6_rcv+0x397/0x810 [ 4245.521401][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4245.521401][ T72] process_backlog+0x101/0x620 [ 4245.521401][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4245.521401][ T72] net_rx_action+0x495/0xbe0 [ 4245.521401][ T72] __do_softirq+0x1b5/0x7f6 [ 4245.521401][ T72] [ 4245.523380][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4245.523380][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.523380][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.523380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.523380][ T72] ip6_route_add+0x1c/0x140 [ 4245.523380][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4245.523380][ T72] inet6_addr_add+0x4f8/0xa40 [ 4245.523380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.523380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.523380][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.523380][ T72] netlink_unicast+0x449/0x710 [ 4245.523380][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.523380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.523380][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.523380][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.523380][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.523380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.523380][ T72] [ 4245.525770][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4245.525770][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.525770][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.525770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.525770][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4245.525770][ T72] ipv6_add_addr+0x411/0x2000 [ 4245.525770][ T72] inet6_addr_add+0x30e/0xa40 [ 4245.525770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.525770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.525770][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.525770][ T72] netlink_unicast+0x449/0x710 [ 4245.525770][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.525770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.525770][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.525770][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.525770][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.525770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.525770][ T72] [ 4245.528077][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4245.528077][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.528077][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.528077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.528077][ T72] ip6_route_add+0x1c/0x140 [ 4245.528077][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4245.528077][ T72] addrconf_add_dev+0xe2/0x170 [ 4245.528077][ T72] inet6_addr_add+0x12f/0xa40 [ 4245.528077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.528077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.528077][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.528077][ T72] netlink_unicast+0x449/0x710 [ 4245.528077][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.528077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.528077][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.528077][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.528077][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.528077][ T72] [ 4245.530457][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4245.530457][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4245.530457][ T72] ipv6_find_idev+0x102/0x170 [ 4245.530457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.530457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.530457][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.530457][ T72] netlink_unicast+0x449/0x710 [ 4245.530457][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.530457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.530457][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.530457][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.530457][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.530457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.530457][ T72] [ 4245.532358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4245.532358][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4245.532358][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4245.532358][ T72] ipv6_find_idev+0x102/0x170 [ 4245.532358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.532358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.532358][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.532358][ T72] netlink_unicast+0x449/0x710 [ 4245.532358][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.532358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.532358][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.532358][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.532358][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.532358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.532358][ T72] [ 4245.534317][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4245.534695][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4245.534695][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.534695][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.534695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.534695][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4245.534695][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4245.534695][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4245.534695][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4245.534695][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4245.534695][ T72] addrconf_dad_begin+0x310/0x670 [ 4245.534695][ T72] addrconf_dad_work+0x10b/0xab0 [ 4245.534695][ T72] process_one_work+0x84d/0x18a0 [ 4245.534695][ T72] worker_thread+0x587/0xd30 [ 4245.534695][ T72] kthread+0x28a/0x350 [ 4245.534695][ T72] ret_from_fork+0x31/0x70 [ 4245.534695][ T72] ret_from_fork_asm+0x1a/0x30 [ 4245.534695][ T72] [ 4245.536905][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4245.536905][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.536905][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.536905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.536905][ T72] ip6_route_add+0x1c/0x140 [ 4245.536905][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4245.536905][ T72] inet6_addr_add+0x4f8/0xa40 [ 4245.536905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.536905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.536905][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.536905][ T72] netlink_unicast+0x449/0x710 [ 4245.536905][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.536905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.536905][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.536905][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.536905][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.536905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.536905][ T72] [ 4245.539291][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4245.539291][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.539291][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.539291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.539291][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4245.539291][ T72] ipv6_add_addr+0x411/0x2000 [ 4245.539291][ T72] inet6_addr_add+0x30e/0xa40 [ 4245.539291][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.539291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.539291][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.539291][ T72] netlink_unicast+0x449/0x710 [ 4245.539291][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.539291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.539291][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.539291][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.539291][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.539291][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.539291][ T72] [ 4245.541664][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4245.541664][ T72] netdev_get_by_index+0x5e/0x80 [ 4245.541664][ T72] fib6_nh_init+0x3d8/0x1580 [ 4245.541664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4245.541664][ T72] ip6_route_add+0x1c/0x140 [ 4245.541664][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4245.541664][ T72] addrconf_add_dev+0xe2/0x170 [ 4245.541664][ T72] inet6_addr_add+0x12f/0xa40 [ 4245.541664][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.541664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.541664][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.541664][ T72] netlink_unicast+0x449/0x710 [ 4245.541664][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.541664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.541664][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.541664][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.541664][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.541664][ T72] [ 4245.544009][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4245.544009][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4245.544009][ T72] ipv6_find_idev+0x102/0x170 [ 4245.544009][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.544009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.544009][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.544009][ T72] netlink_unicast+0x449/0x710 [ 4245.544009][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.544009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.544009][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.544009][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.544009][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.544009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.544009][ T72] [ 4245.545878][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4245.545878][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4245.545878][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4245.545878][ T72] ipv6_find_idev+0x102/0x170 [ 4245.545878][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.545878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.545878][ T72] netlink_rcv_skb+0x130/0x360 [ 4245.545878][ T72] netlink_unicast+0x449/0x710 [ 4245.545878][ T72] netlink_sendmsg+0x723/0xbe0 [ 4245.545878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4245.545878][ T72] ___sys_sendmsg+0xee/0x170 [ 4245.545878][ T72] __sys_sendmsg+0xcd/0x170 [ 4245.545878][ T72] do_syscall_64+0xc6/0x1e0 [ 4245.545878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.545878][ T72] [ 4255.784912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4255.785512][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4255.785512][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4255.785512][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4255.785512][ T72] fib6_nh_init+0xa22/0x1580 [ 4255.785512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.785512][ T72] ip6_route_add+0x1c/0x140 [ 4255.785512][ T72] inet6_rtm_newroute+0x104/0x110 [ 4255.785512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.785512][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.785512][ T72] netlink_unicast+0x449/0x710 [ 4255.785512][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.785512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.785512][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.785512][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.785512][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.785512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.785512][ T72] [ 4255.787643][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4255.787643][ T72] dst_init+0x84/0x4a0 [ 4255.787643][ T72] dst_alloc+0x97/0x150 [ 4255.787643][ T72] ip6_dst_alloc+0x23/0x90 [ 4255.787643][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4255.787643][ T72] ip6_pol_route+0x56f/0x840 [ 4255.787643][ T72] fib6_rule_lookup+0x456/0x630 [ 4255.787643][ T72] ip6_route_input+0x59c/0xa50 [ 4255.787643][ T72] ipv6_rcv+0x397/0x810 [ 4255.787643][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4255.787643][ T72] process_backlog+0x101/0x620 [ 4255.787643][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4255.787643][ T72] net_rx_action+0x495/0xbe0 [ 4255.787643][ T72] __do_softirq+0x1b5/0x7f6 [ 4255.787643][ T72] [ 4255.789498][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4255.789498][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.789498][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.789498][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.789498][ T72] ip6_route_add+0x1c/0x140 [ 4255.789498][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4255.789498][ T72] inet6_addr_add+0x4f8/0xa40 [ 4255.789498][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.789498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.789498][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.789498][ T72] netlink_unicast+0x449/0x710 [ 4255.789498][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.789498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.789498][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.789498][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.789498][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.789498][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.789498][ T72] [ 4255.791765][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4255.791765][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.791765][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.791765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.791765][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4255.791765][ T72] ipv6_add_addr+0x411/0x2000 [ 4255.791765][ T72] inet6_addr_add+0x30e/0xa40 [ 4255.791765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.791765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.791765][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.791765][ T72] netlink_unicast+0x449/0x710 [ 4255.791765][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.791765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.791765][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.791765][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.791765][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.791765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.791765][ T72] [ 4255.794039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4255.794039][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.794039][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.794039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.794039][ T72] ip6_route_add+0x1c/0x140 [ 4255.794039][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4255.794039][ T72] addrconf_add_dev+0xe2/0x170 [ 4255.794039][ T72] inet6_addr_add+0x12f/0xa40 [ 4255.794039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.794039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.794039][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.794039][ T72] netlink_unicast+0x449/0x710 [ 4255.794039][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.794039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.794039][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.794039][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.794039][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.794039][ T72] [ 4255.796253][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4255.796253][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4255.796253][ T72] ipv6_find_idev+0x102/0x170 [ 4255.796253][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.796253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.796253][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.796253][ T72] netlink_unicast+0x449/0x710 [ 4255.796253][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.796253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.796253][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.796253][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.796253][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.796253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.796253][ T72] [ 4255.798006][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4255.798006][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4255.798006][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4255.798006][ T72] ipv6_find_idev+0x102/0x170 [ 4255.798006][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.798006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.798006][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.798006][ T72] netlink_unicast+0x449/0x710 [ 4255.798006][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.798006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.798006][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.798006][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.798006][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.798006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.798006][ T72] [ 4255.799926][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4255.800224][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4255.800224][ T72] dst_init+0x84/0x4a0 [ 4255.800224][ T72] dst_alloc+0x97/0x150 [ 4255.800224][ T72] ip6_dst_alloc+0x23/0x90 [ 4255.800224][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4255.800224][ T72] ip6_pol_route+0x56f/0x840 [ 4255.800224][ T72] fib6_rule_lookup+0x456/0x630 [ 4255.800224][ T72] ip6_route_input+0x59c/0xa50 [ 4255.800224][ T72] ipv6_rcv+0x397/0x810 [ 4255.800224][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4255.800224][ T72] process_backlog+0x101/0x620 [ 4255.800224][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4255.800224][ T72] net_rx_action+0x495/0xbe0 [ 4255.800224][ T72] __do_softirq+0x1b5/0x7f6 [ 4255.800224][ T72] [ 4255.802068][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4255.802068][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.802068][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.802068][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.802068][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4255.802068][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4255.802068][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4255.802068][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4255.802068][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4255.802068][ T72] addrconf_dad_begin+0x310/0x670 [ 4255.802068][ T72] addrconf_dad_work+0x10b/0xab0 [ 4255.802068][ T72] process_one_work+0x84d/0x18a0 [ 4255.802068][ T72] worker_thread+0x587/0xd30 [ 4255.802068][ T72] kthread+0x28a/0x350 [ 4255.802068][ T72] ret_from_fork+0x31/0x70 [ 4255.802068][ T72] ret_from_fork_asm+0x1a/0x30 [ 4255.802068][ T72] [ 4255.804217][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4255.804217][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.804217][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.804217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.804217][ T72] ip6_route_add+0x1c/0x140 [ 4255.804217][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4255.804217][ T72] inet6_addr_add+0x4f8/0xa40 [ 4255.804217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.804217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.804217][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.804217][ T72] netlink_unicast+0x449/0x710 [ 4255.804217][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.804217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.804217][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.804217][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.804217][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.804217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.804217][ T72] [ 4255.806484][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4255.806484][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.806484][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.806484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.806484][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4255.806484][ T72] ipv6_add_addr+0x411/0x2000 [ 4255.806484][ T72] inet6_addr_add+0x30e/0xa40 [ 4255.806484][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.806484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.806484][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.806484][ T72] netlink_unicast+0x449/0x710 [ 4255.806484][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.806484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.806484][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.806484][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.806484][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.806484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.806484][ T72] [ 4255.808740][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4255.808740][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.808740][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.808740][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.808740][ T72] ip6_route_add+0x1c/0x140 [ 4255.808740][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4255.808740][ T72] addrconf_add_dev+0xe2/0x170 [ 4255.808740][ T72] inet6_addr_add+0x12f/0xa40 [ 4255.808740][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.808740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.808740][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.808740][ T72] netlink_unicast+0x449/0x710 [ 4255.808740][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.808740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.808740][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.808740][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.808740][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.808740][ T72] [ 4255.810945][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4255.810945][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4255.810945][ T72] ipv6_find_idev+0x102/0x170 [ 4255.810945][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.810945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.810945][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.810945][ T72] netlink_unicast+0x449/0x710 [ 4255.810945][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.810945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.810945][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.810945][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.810945][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.810945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.810945][ T72] [ 4255.812674][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4255.812674][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4255.812674][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4255.812674][ T72] ipv6_find_idev+0x102/0x170 [ 4255.812674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.812674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.812674][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.812674][ T72] netlink_unicast+0x449/0x710 [ 4255.812674][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.812674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.812674][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.812674][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.812674][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.812674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.812674][ T72] [ 4255.814657][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4255.814973][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4255.814973][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4255.814973][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4255.814973][ T72] fib6_nh_init+0xa22/0x1580 [ 4255.814973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.814973][ T72] ip6_route_add+0x1c/0x140 [ 4255.814973][ T72] inet6_rtm_newroute+0x104/0x110 [ 4255.814973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.814973][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.814973][ T72] netlink_unicast+0x449/0x710 [ 4255.814973][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.814973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.814973][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.814973][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.814973][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.814973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.814973][ T72] [ 4255.817173][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4255.817173][ T72] dst_init+0x84/0x4a0 [ 4255.817173][ T72] dst_alloc+0x97/0x150 [ 4255.817173][ T72] ip6_dst_alloc+0x23/0x90 [ 4255.817173][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4255.817173][ T72] ip6_pol_route+0x56f/0x840 [ 4255.817173][ T72] fib6_rule_lookup+0x456/0x630 [ 4255.817173][ T72] ip6_route_input+0x59c/0xa50 [ 4255.817173][ T72] ipv6_rcv+0x397/0x810 [ 4255.817173][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4255.817173][ T72] process_backlog+0x101/0x620 [ 4255.817173][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4255.817173][ T72] net_rx_action+0x495/0xbe0 [ 4255.817173][ T72] __do_softirq+0x1b5/0x7f6 [ 4255.817173][ T72] [ 4255.819121][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4255.819121][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.819121][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.819121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.819121][ T72] ip6_route_add+0x1c/0x140 [ 4255.819121][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4255.819121][ T72] inet6_addr_add+0x4f8/0xa40 [ 4255.819121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.819121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.819121][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.819121][ T72] netlink_unicast+0x449/0x710 [ 4255.819121][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.819121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.819121][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.819121][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.819121][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.819121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.819121][ T72] [ 4255.821550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4255.821550][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.821550][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.821550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.821550][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4255.821550][ T72] ipv6_add_addr+0x411/0x2000 [ 4255.821550][ T72] inet6_addr_add+0x30e/0xa40 [ 4255.821550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.821550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.821550][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.821550][ T72] netlink_unicast+0x449/0x710 [ 4255.821550][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.821550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.821550][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.821550][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.821550][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.821550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.821550][ T72] [ 4255.823902][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4255.823902][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.823902][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.823902][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.823902][ T72] ip6_route_add+0x1c/0x140 [ 4255.823902][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4255.823902][ T72] addrconf_add_dev+0xe2/0x170 [ 4255.823902][ T72] inet6_addr_add+0x12f/0xa40 [ 4255.823902][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.823902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.823902][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.823902][ T72] netlink_unicast+0x449/0x710 [ 4255.823902][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.823902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.823902][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.823902][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.823902][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.823902][ T72] [ 4255.826194][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4255.826194][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4255.826194][ T72] ipv6_find_idev+0x102/0x170 [ 4255.826194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.826194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.826194][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.826194][ T72] netlink_unicast+0x449/0x710 [ 4255.826194][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.826194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.826194][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.826194][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.826194][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.826194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.826194][ T72] [ 4255.828007][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4255.828007][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4255.828007][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4255.828007][ T72] ipv6_find_idev+0x102/0x170 [ 4255.828007][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.828007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.828007][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.828007][ T72] netlink_unicast+0x449/0x710 [ 4255.828007][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.828007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.828007][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.828007][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.828007][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.828007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.828007][ T72] [ 4255.829982][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4255.830388][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4255.830388][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.830388][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.830388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.830388][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4255.830388][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4255.830388][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4255.830388][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4255.830388][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4255.830388][ T72] addrconf_dad_begin+0x310/0x670 [ 4255.830388][ T72] addrconf_dad_work+0x10b/0xab0 [ 4255.830388][ T72] process_one_work+0x84d/0x18a0 [ 4255.830388][ T72] worker_thread+0x587/0xd30 [ 4255.830388][ T72] kthread+0x28a/0x350 [ 4255.830388][ T72] ret_from_fork+0x31/0x70 [ 4255.830388][ T72] ret_from_fork_asm+0x1a/0x30 [ 4255.830388][ T72] [ 4255.832541][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4255.832541][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.832541][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.832541][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.832541][ T72] ip6_route_add+0x1c/0x140 [ 4255.832541][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4255.832541][ T72] inet6_addr_add+0x4f8/0xa40 [ 4255.832541][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.832541][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.832541][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.832541][ T72] netlink_unicast+0x449/0x710 [ 4255.832541][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.832541][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.832541][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.832541][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.832541][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.832541][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.832541][ T72] [ 4255.834883][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4255.834883][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.834883][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.834883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.834883][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4255.834883][ T72] ipv6_add_addr+0x411/0x2000 [ 4255.834883][ T72] inet6_addr_add+0x30e/0xa40 [ 4255.834883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.834883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.834883][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.834883][ T72] netlink_unicast+0x449/0x710 [ 4255.834883][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.834883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.834883][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.834883][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.834883][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.834883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.834883][ T72] [ 4255.837237][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4255.837237][ T72] netdev_get_by_index+0x5e/0x80 [ 4255.837237][ T72] fib6_nh_init+0x3d8/0x1580 [ 4255.837237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4255.837237][ T72] ip6_route_add+0x1c/0x140 [ 4255.837237][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4255.837237][ T72] addrconf_add_dev+0xe2/0x170 [ 4255.837237][ T72] inet6_addr_add+0x12f/0xa40 [ 4255.837237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.837237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.837237][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.837237][ T72] netlink_unicast+0x449/0x710 [ 4255.837237][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.837237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.837237][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.837237][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.837237][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.837237][ T72] [ 4255.839621][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4255.839621][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4255.839621][ T72] ipv6_find_idev+0x102/0x170 [ 4255.839621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.839621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.839621][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.839621][ T72] netlink_unicast+0x449/0x710 [ 4255.839621][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.839621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.839621][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.839621][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.839621][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.839621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.839621][ T72] [ 4255.841433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4255.841433][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4255.841433][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4255.841433][ T72] ipv6_find_idev+0x102/0x170 [ 4255.841433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.841433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.841433][ T72] netlink_rcv_skb+0x130/0x360 [ 4255.841433][ T72] netlink_unicast+0x449/0x710 [ 4255.841433][ T72] netlink_sendmsg+0x723/0xbe0 [ 4255.841433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4255.841433][ T72] ___sys_sendmsg+0xee/0x170 [ 4255.841433][ T72] __sys_sendmsg+0xcd/0x170 [ 4255.841433][ T72] do_syscall_64+0xc6/0x1e0 [ 4255.841433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.841433][ T72] [ 4266.080961][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4266.081464][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4266.081464][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4266.081464][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4266.081464][ T72] fib6_nh_init+0xa22/0x1580 [ 4266.081464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.081464][ T72] ip6_route_add+0x1c/0x140 [ 4266.081464][ T72] inet6_rtm_newroute+0x104/0x110 [ 4266.081464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.081464][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.081464][ T72] netlink_unicast+0x449/0x710 [ 4266.081464][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.081464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.081464][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.081464][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.081464][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.081464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.081464][ T72] [ 4266.083388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4266.083388][ T72] dst_init+0x84/0x4a0 [ 4266.083388][ T72] dst_alloc+0x97/0x150 [ 4266.083388][ T72] ip6_dst_alloc+0x23/0x90 [ 4266.083388][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4266.083388][ T72] ip6_pol_route+0x56f/0x840 [ 4266.083388][ T72] fib6_rule_lookup+0x456/0x630 [ 4266.083388][ T72] ip6_route_input+0x59c/0xa50 [ 4266.083388][ T72] ipv6_rcv+0x397/0x810 [ 4266.083388][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4266.083388][ T72] process_backlog+0x101/0x620 [ 4266.083388][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4266.083388][ T72] net_rx_action+0x495/0xbe0 [ 4266.083388][ T72] __do_softirq+0x1b5/0x7f6 [ 4266.083388][ T72] [ 4266.085044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4266.085044][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.085044][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.085044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.085044][ T72] ip6_route_add+0x1c/0x140 [ 4266.085044][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4266.085044][ T72] inet6_addr_add+0x4f8/0xa40 [ 4266.085044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.085044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.085044][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.085044][ T72] netlink_unicast+0x449/0x710 [ 4266.085044][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.085044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.085044][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.085044][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.085044][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.085044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.085044][ T72] [ 4266.087056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4266.087056][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.087056][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.087056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.087056][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4266.087056][ T72] ipv6_add_addr+0x411/0x2000 [ 4266.087056][ T72] inet6_addr_add+0x30e/0xa40 [ 4266.087056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.087056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.087056][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.087056][ T72] netlink_unicast+0x449/0x710 [ 4266.087056][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.087056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.087056][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.087056][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.087056][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.087056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.087056][ T72] [ 4266.089071][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4266.089071][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.089071][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.089071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.089071][ T72] ip6_route_add+0x1c/0x140 [ 4266.089071][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4266.089071][ T72] addrconf_add_dev+0xe2/0x170 [ 4266.089071][ T72] inet6_addr_add+0x12f/0xa40 [ 4266.089071][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.089071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.089071][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.089071][ T72] netlink_unicast+0x449/0x710 [ 4266.089071][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.089071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.089071][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.089071][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.089071][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.089071][ T72] [ 4266.091046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4266.091046][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4266.091046][ T72] ipv6_find_idev+0x102/0x170 [ 4266.091046][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.091046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.091046][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.091046][ T72] netlink_unicast+0x449/0x710 [ 4266.091046][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.091046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.091046][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.091046][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.091046][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.091046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.091046][ T72] [ 4266.092592][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4266.092592][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4266.092592][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4266.092592][ T72] ipv6_find_idev+0x102/0x170 [ 4266.092592][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.092592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.092592][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.092592][ T72] netlink_unicast+0x449/0x710 [ 4266.092592][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.092592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.092592][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.092592][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.092592][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.092592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.092592][ T72] [ 4266.094285][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4266.094557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4266.094557][ T72] dst_init+0x84/0x4a0 [ 4266.094557][ T72] dst_alloc+0x97/0x150 [ 4266.094557][ T72] ip6_dst_alloc+0x23/0x90 [ 4266.094557][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4266.094557][ T72] ip6_pol_route+0x56f/0x840 [ 4266.094557][ T72] fib6_rule_lookup+0x456/0x630 [ 4266.094557][ T72] ip6_route_input+0x59c/0xa50 [ 4266.094557][ T72] ipv6_rcv+0x397/0x810 [ 4266.094557][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4266.094557][ T72] process_backlog+0x101/0x620 [ 4266.094557][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4266.094557][ T72] net_rx_action+0x495/0xbe0 [ 4266.094557][ T72] __do_softirq+0x1b5/0x7f6 [ 4266.094557][ T72] [ 4266.096214][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4266.096214][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.096214][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.096214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.096214][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4266.096214][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4266.096214][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4266.096214][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4266.096214][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4266.096214][ T72] addrconf_dad_begin+0x310/0x670 [ 4266.096214][ T72] addrconf_dad_work+0x10b/0xab0 [ 4266.096214][ T72] process_one_work+0x84d/0x18a0 [ 4266.096214][ T72] worker_thread+0x587/0xd30 [ 4266.096214][ T72] kthread+0x28a/0x350 [ 4266.096214][ T72] ret_from_fork+0x31/0x70 [ 4266.096214][ T72] ret_from_fork_asm+0x1a/0x30 [ 4266.096214][ T72] [ 4266.098135][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4266.098135][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.098135][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.098135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.098135][ T72] ip6_route_add+0x1c/0x140 [ 4266.098135][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4266.098135][ T72] inet6_addr_add+0x4f8/0xa40 [ 4266.098135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.098135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.098135][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.098135][ T72] netlink_unicast+0x449/0x710 [ 4266.098135][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.098135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.098135][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.098135][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.098135][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.098135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.098135][ T72] [ 4266.100146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4266.100146][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.100146][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.100146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.100146][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4266.100146][ T72] ipv6_add_addr+0x411/0x2000 [ 4266.100146][ T72] inet6_addr_add+0x30e/0xa40 [ 4266.100146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.100146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.100146][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.100146][ T72] netlink_unicast+0x449/0x710 [ 4266.100146][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.100146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.100146][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.100146][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.100146][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.100146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.100146][ T72] [ 4266.102146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4266.102146][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.102146][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.102146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.102146][ T72] ip6_route_add+0x1c/0x140 [ 4266.102146][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4266.102146][ T72] addrconf_add_dev+0xe2/0x170 [ 4266.102146][ T72] inet6_addr_add+0x12f/0xa40 [ 4266.102146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.102146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.102146][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.102146][ T72] netlink_unicast+0x449/0x710 [ 4266.102146][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.102146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.102146][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.102146][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.102146][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.102146][ T72] [ 4266.104124][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4266.104124][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4266.104124][ T72] ipv6_find_idev+0x102/0x170 [ 4266.104124][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.104124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.104124][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.104124][ T72] netlink_unicast+0x449/0x710 [ 4266.104124][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.104124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.104124][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.104124][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.104124][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.104124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.104124][ T72] [ 4266.105665][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4266.105665][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4266.105665][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4266.105665][ T72] ipv6_find_idev+0x102/0x170 [ 4266.105665][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.105665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.105665][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.105665][ T72] netlink_unicast+0x449/0x710 [ 4266.105665][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.105665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.105665][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.105665][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.105665][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.105665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.105665][ T72] [ 4266.107435][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4266.107782][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4266.107782][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4266.107782][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4266.107782][ T72] fib6_nh_init+0xa22/0x1580 [ 4266.107782][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.107782][ T72] ip6_route_add+0x1c/0x140 [ 4266.107782][ T72] inet6_rtm_newroute+0x104/0x110 [ 4266.107782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.107782][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.107782][ T72] netlink_unicast+0x449/0x710 [ 4266.107782][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.107782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.107782][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.107782][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.107782][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.107782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.107782][ T72] [ 4266.109854][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4266.109854][ T72] dst_init+0x84/0x4a0 [ 4266.109854][ T72] dst_alloc+0x97/0x150 [ 4266.109854][ T72] ip6_dst_alloc+0x23/0x90 [ 4266.109854][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4266.109854][ T72] ip6_pol_route+0x56f/0x840 [ 4266.109854][ T72] fib6_rule_lookup+0x456/0x630 [ 4266.109854][ T72] ip6_route_input+0x59c/0xa50 [ 4266.109854][ T72] ipv6_rcv+0x397/0x810 [ 4266.109854][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4266.109854][ T72] process_backlog+0x101/0x620 [ 4266.109854][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4266.109854][ T72] net_rx_action+0x495/0xbe0 [ 4266.109854][ T72] __do_softirq+0x1b5/0x7f6 [ 4266.109854][ T72] [ 4266.111676][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4266.111676][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.111676][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.111676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.111676][ T72] ip6_route_add+0x1c/0x140 [ 4266.111676][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4266.111676][ T72] inet6_addr_add+0x4f8/0xa40 [ 4266.111676][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.111676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.111676][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.111676][ T72] netlink_unicast+0x449/0x710 [ 4266.111676][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.111676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.111676][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.111676][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.111676][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.111676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.111676][ T72] [ 4266.113918][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4266.113918][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.113918][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.113918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.113918][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4266.113918][ T72] ipv6_add_addr+0x411/0x2000 [ 4266.113918][ T72] inet6_addr_add+0x30e/0xa40 [ 4266.113918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.113918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.113918][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.113918][ T72] netlink_unicast+0x449/0x710 [ 4266.113918][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.113918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.113918][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.113918][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.113918][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.113918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.113918][ T72] [ 4266.116169][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4266.116169][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.116169][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.116169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.116169][ T72] ip6_route_add+0x1c/0x140 [ 4266.116169][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4266.116169][ T72] addrconf_add_dev+0xe2/0x170 [ 4266.116169][ T72] inet6_addr_add+0x12f/0xa40 [ 4266.116169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.116169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.116169][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.116169][ T72] netlink_unicast+0x449/0x710 [ 4266.116169][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.116169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.116169][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.116169][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.116169][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.116169][ T72] [ 4266.118452][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4266.118452][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4266.118452][ T72] ipv6_find_idev+0x102/0x170 [ 4266.118452][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.118452][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.118452][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.118452][ T72] netlink_unicast+0x449/0x710 [ 4266.118452][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.118452][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.118452][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.118452][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.118452][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.118452][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.118452][ T72] [ 4266.120186][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4266.120186][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4266.120186][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4266.120186][ T72] ipv6_find_idev+0x102/0x170 [ 4266.120186][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.120186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.120186][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.120186][ T72] netlink_unicast+0x449/0x710 [ 4266.120186][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.120186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.120186][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.120186][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.120186][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.120186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.120186][ T72] [ 4266.122026][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4266.122301][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4266.122301][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.122301][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.122301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.122301][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4266.122301][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4266.122301][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4266.122301][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4266.122301][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4266.122301][ T72] addrconf_dad_begin+0x310/0x670 [ 4266.122301][ T72] addrconf_dad_work+0x10b/0xab0 [ 4266.122301][ T72] process_one_work+0x84d/0x18a0 [ 4266.122301][ T72] worker_thread+0x587/0xd30 [ 4266.122301][ T72] kthread+0x28a/0x350 [ 4266.122301][ T72] ret_from_fork+0x31/0x70 [ 4266.122301][ T72] ret_from_fork_asm+0x1a/0x30 [ 4266.122301][ T72] [ 4266.124374][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4266.124374][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.124374][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.124374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.124374][ T72] ip6_route_add+0x1c/0x140 [ 4266.124374][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4266.124374][ T72] inet6_addr_add+0x4f8/0xa40 [ 4266.124374][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.124374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.124374][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.124374][ T72] netlink_unicast+0x449/0x710 [ 4266.124374][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.124374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.124374][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.124374][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.124374][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.124374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.124374][ T72] [ 4266.126527][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4266.126527][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.126527][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.126527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.126527][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4266.126527][ T72] ipv6_add_addr+0x411/0x2000 [ 4266.126527][ T72] inet6_addr_add+0x30e/0xa40 [ 4266.126527][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.126527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.126527][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.126527][ T72] netlink_unicast+0x449/0x710 [ 4266.126527][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.126527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.126527][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.126527][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.126527][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.126527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.126527][ T72] [ 4266.128691][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4266.128691][ T72] netdev_get_by_index+0x5e/0x80 [ 4266.128691][ T72] fib6_nh_init+0x3d8/0x1580 [ 4266.128691][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4266.128691][ T72] ip6_route_add+0x1c/0x140 [ 4266.128691][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4266.128691][ T72] addrconf_add_dev+0xe2/0x170 [ 4266.128691][ T72] inet6_addr_add+0x12f/0xa40 [ 4266.128691][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4266.128691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.128691][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.128691][ T72] netlink_unicast+0x449/0x710 [ 4266.128691][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.128691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.128691][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.128691][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.128691][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.128691][ T72] [ 4266.130810][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4266.130810][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4266.130810][ T72] ipv6_find_idev+0x102/0x170 [ 4266.130810][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.130810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.130810][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.130810][ T72] netlink_unicast+0x449/0x710 [ 4266.130810][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.130810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.130810][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.130810][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.130810][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.130810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.130810][ T72] [ 4266.132429][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4266.132429][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4266.132429][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4266.132429][ T72] ipv6_find_idev+0x102/0x170 [ 4266.132429][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4266.132429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4266.132429][ T72] netlink_rcv_skb+0x130/0x360 [ 4266.132429][ T72] netlink_unicast+0x449/0x710 [ 4266.132429][ T72] netlink_sendmsg+0x723/0xbe0 [ 4266.132429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4266.132429][ T72] ___sys_sendmsg+0xee/0x170 [ 4266.132429][ T72] __sys_sendmsg+0xcd/0x170 [ 4266.132429][ T72] do_syscall_64+0xc6/0x1e0 [ 4266.132429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4266.132429][ T72] [ 4276.376944][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4276.377468][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4276.377468][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4276.377468][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4276.377468][ T72] fib6_nh_init+0xa22/0x1580 [ 4276.377468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.377468][ T72] ip6_route_add+0x1c/0x140 [ 4276.377468][ T72] inet6_rtm_newroute+0x104/0x110 [ 4276.377468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.377468][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.377468][ T72] netlink_unicast+0x449/0x710 [ 4276.377468][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.377468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.377468][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.377468][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.377468][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.377468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.377468][ T72] [ 4276.379409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4276.379409][ T72] dst_init+0x84/0x4a0 [ 4276.379409][ T72] dst_alloc+0x97/0x150 [ 4276.379409][ T72] ip6_dst_alloc+0x23/0x90 [ 4276.379409][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4276.379409][ T72] ip6_pol_route+0x56f/0x840 [ 4276.379409][ T72] fib6_rule_lookup+0x456/0x630 [ 4276.379409][ T72] ip6_route_input+0x59c/0xa50 [ 4276.379409][ T72] ipv6_rcv+0x397/0x810 [ 4276.379409][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4276.379409][ T72] process_backlog+0x101/0x620 [ 4276.379409][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4276.379409][ T72] net_rx_action+0x495/0xbe0 [ 4276.379409][ T72] __do_softirq+0x1b5/0x7f6 [ 4276.379409][ T72] [ 4276.381061][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4276.381061][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.381061][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.381061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.381061][ T72] ip6_route_add+0x1c/0x140 [ 4276.381061][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4276.381061][ T72] inet6_addr_add+0x4f8/0xa40 [ 4276.381061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.381061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.381061][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.381061][ T72] netlink_unicast+0x449/0x710 [ 4276.381061][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.381061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.381061][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.381061][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.381061][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.381061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.381061][ T72] [ 4276.383057][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4276.383057][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.383057][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.383057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.383057][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4276.383057][ T72] ipv6_add_addr+0x411/0x2000 [ 4276.383057][ T72] inet6_addr_add+0x30e/0xa40 [ 4276.383057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.383057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.383057][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.383057][ T72] netlink_unicast+0x449/0x710 [ 4276.383057][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.383057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.383057][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.383057][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.383057][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.383057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.383057][ T72] [ 4276.385103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4276.385103][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.385103][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.385103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.385103][ T72] ip6_route_add+0x1c/0x140 [ 4276.385103][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4276.385103][ T72] addrconf_add_dev+0xe2/0x170 [ 4276.385103][ T72] inet6_addr_add+0x12f/0xa40 [ 4276.385103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.385103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.385103][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.385103][ T72] netlink_unicast+0x449/0x710 [ 4276.385103][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.385103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.385103][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.385103][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.385103][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.385103][ T72] [ 4276.387076][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4276.387076][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4276.387076][ T72] ipv6_find_idev+0x102/0x170 [ 4276.387076][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.387076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.387076][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.387076][ T72] netlink_unicast+0x449/0x710 [ 4276.387076][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.387076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.387076][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.387076][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.387076][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.387076][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.387076][ T72] [ 4276.388630][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4276.388630][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4276.388630][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4276.388630][ T72] ipv6_find_idev+0x102/0x170 [ 4276.388630][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.388630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.388630][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.388630][ T72] netlink_unicast+0x449/0x710 [ 4276.388630][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.388630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.388630][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.388630][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.388630][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.388630][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.388630][ T72] [ 4276.390345][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4276.390634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4276.390634][ T72] dst_init+0x84/0x4a0 [ 4276.390634][ T72] dst_alloc+0x97/0x150 [ 4276.390634][ T72] ip6_dst_alloc+0x23/0x90 [ 4276.390634][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4276.390634][ T72] ip6_pol_route+0x56f/0x840 [ 4276.390634][ T72] fib6_rule_lookup+0x456/0x630 [ 4276.390634][ T72] ip6_route_input+0x59c/0xa50 [ 4276.390634][ T72] ipv6_rcv+0x397/0x810 [ 4276.390634][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4276.390634][ T72] process_backlog+0x101/0x620 [ 4276.390634][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4276.390634][ T72] net_rx_action+0x495/0xbe0 [ 4276.390634][ T72] __do_softirq+0x1b5/0x7f6 [ 4276.390634][ T72] [ 4276.392288][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4276.392288][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.392288][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.392288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.392288][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4276.392288][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4276.392288][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4276.392288][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4276.392288][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4276.392288][ T72] addrconf_dad_begin+0x310/0x670 [ 4276.392288][ T72] addrconf_dad_work+0x10b/0xab0 [ 4276.392288][ T72] process_one_work+0x84d/0x18a0 [ 4276.392288][ T72] worker_thread+0x587/0xd30 [ 4276.392288][ T72] kthread+0x28a/0x350 [ 4276.392288][ T72] ret_from_fork+0x31/0x70 [ 4276.392288][ T72] ret_from_fork_asm+0x1a/0x30 [ 4276.392288][ T72] [ 4276.394206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4276.394206][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.394206][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.394206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.394206][ T72] ip6_route_add+0x1c/0x140 [ 4276.394206][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4276.394206][ T72] inet6_addr_add+0x4f8/0xa40 [ 4276.394206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.394206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.394206][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.394206][ T72] netlink_unicast+0x449/0x710 [ 4276.394206][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.394206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.394206][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.394206][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.394206][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.394206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.394206][ T72] [ 4276.396747][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4276.396747][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.396747][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.396747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.396747][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4276.396747][ T72] ipv6_add_addr+0x411/0x2000 [ 4276.396747][ T72] inet6_addr_add+0x30e/0xa40 [ 4276.396747][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.396747][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.396747][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.396747][ T72] netlink_unicast+0x449/0x710 [ 4276.396747][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.396747][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.396747][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.396747][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.396747][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.396747][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.396747][ T72] [ 4276.398769][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4276.398769][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.398769][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.398769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.398769][ T72] ip6_route_add+0x1c/0x140 [ 4276.398769][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4276.398769][ T72] addrconf_add_dev+0xe2/0x170 [ 4276.398769][ T72] inet6_addr_add+0x12f/0xa40 [ 4276.398769][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.398769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.398769][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.398769][ T72] netlink_unicast+0x449/0x710 [ 4276.398769][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.398769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.398769][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.398769][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.398769][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.398769][ T72] [ 4276.400741][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4276.400741][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4276.400741][ T72] ipv6_find_idev+0x102/0x170 [ 4276.400741][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.400741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.400741][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.400741][ T72] netlink_unicast+0x449/0x710 [ 4276.400741][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.400741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.400741][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.400741][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.400741][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.400741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.400741][ T72] [ 4276.402639][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4276.402639][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4276.402639][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4276.402639][ T72] ipv6_find_idev+0x102/0x170 [ 4276.402639][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.402639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.402639][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.402639][ T72] netlink_unicast+0x449/0x710 [ 4276.402639][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.402639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.402639][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.402639][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.402639][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.402639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.402639][ T72] [ 4276.404385][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4276.404730][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4276.404730][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4276.404730][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4276.404730][ T72] fib6_nh_init+0xa22/0x1580 [ 4276.404730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.404730][ T72] ip6_route_add+0x1c/0x140 [ 4276.404730][ T72] inet6_rtm_newroute+0x104/0x110 [ 4276.404730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.404730][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.404730][ T72] netlink_unicast+0x449/0x710 [ 4276.404730][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.404730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.404730][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.404730][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.404730][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.404730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.404730][ T72] [ 4276.406706][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4276.406706][ T72] dst_init+0x84/0x4a0 [ 4276.406706][ T72] dst_alloc+0x97/0x150 [ 4276.406706][ T72] ip6_dst_alloc+0x23/0x90 [ 4276.406706][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4276.406706][ T72] ip6_pol_route+0x56f/0x840 [ 4276.406706][ T72] fib6_rule_lookup+0x456/0x630 [ 4276.406706][ T72] ip6_route_input+0x59c/0xa50 [ 4276.406706][ T72] ipv6_rcv+0x397/0x810 [ 4276.406706][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4276.406706][ T72] process_backlog+0x101/0x620 [ 4276.406706][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4276.406706][ T72] net_rx_action+0x495/0xbe0 [ 4276.406706][ T72] __do_softirq+0x1b5/0x7f6 [ 4276.406706][ T72] [ 4276.408545][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4276.408545][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.408545][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.408545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.408545][ T72] ip6_route_add+0x1c/0x140 [ 4276.408545][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4276.408545][ T72] inet6_addr_add+0x4f8/0xa40 [ 4276.408545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.408545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.408545][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.408545][ T72] netlink_unicast+0x449/0x710 [ 4276.408545][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.408545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.408545][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.408545][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.408545][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.408545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.408545][ T72] [ 4276.410815][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4276.410815][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.410815][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.410815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.410815][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4276.410815][ T72] ipv6_add_addr+0x411/0x2000 [ 4276.410815][ T72] inet6_addr_add+0x30e/0xa40 [ 4276.410815][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.410815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.410815][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.410815][ T72] netlink_unicast+0x449/0x710 [ 4276.410815][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.410815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.410815][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.410815][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.410815][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.410815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.410815][ T72] [ 4276.413046][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4276.413046][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.413046][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.413046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.413046][ T72] ip6_route_add+0x1c/0x140 [ 4276.413046][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4276.413046][ T72] addrconf_add_dev+0xe2/0x170 [ 4276.413046][ T72] inet6_addr_add+0x12f/0xa40 [ 4276.413046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.413046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.413046][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.413046][ T72] netlink_unicast+0x449/0x710 [ 4276.413046][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.413046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.413046][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.413046][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.413046][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.413046][ T72] [ 4276.415297][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4276.415297][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4276.415297][ T72] ipv6_find_idev+0x102/0x170 [ 4276.415297][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.415297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.415297][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.415297][ T72] netlink_unicast+0x449/0x710 [ 4276.415297][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.415297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.415297][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.415297][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.415297][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.415297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.415297][ T72] [ 4276.417017][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4276.417017][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4276.417017][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4276.417017][ T72] ipv6_find_idev+0x102/0x170 [ 4276.417017][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.417017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.417017][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.417017][ T72] netlink_unicast+0x449/0x710 [ 4276.417017][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.417017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.417017][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.417017][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.417017][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.417017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.417017][ T72] [ 4276.418917][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4276.419189][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4276.419189][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.419189][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.419189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.419189][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4276.419189][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4276.419189][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4276.419189][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4276.419189][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4276.419189][ T72] addrconf_dad_begin+0x310/0x670 [ 4276.419189][ T72] addrconf_dad_work+0x10b/0xab0 [ 4276.419189][ T72] process_one_work+0x84d/0x18a0 [ 4276.419189][ T72] worker_thread+0x587/0xd30 [ 4276.419189][ T72] kthread+0x28a/0x350 [ 4276.419189][ T72] ret_from_fork+0x31/0x70 [ 4276.419189][ T72] ret_from_fork_asm+0x1a/0x30 [ 4276.419189][ T72] [ 4276.421436][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4276.421436][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.421436][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.421436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.421436][ T72] ip6_route_add+0x1c/0x140 [ 4276.421436][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4276.421436][ T72] inet6_addr_add+0x4f8/0xa40 [ 4276.421436][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.421436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.421436][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.421436][ T72] netlink_unicast+0x449/0x710 [ 4276.421436][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.421436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.421436][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.421436][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.421436][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.421436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.421436][ T72] [ 4276.423694][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4276.423694][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.423694][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.423694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.423694][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4276.423694][ T72] ipv6_add_addr+0x411/0x2000 [ 4276.423694][ T72] inet6_addr_add+0x30e/0xa40 [ 4276.423694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.423694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.423694][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.423694][ T72] netlink_unicast+0x449/0x710 [ 4276.423694][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.423694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.423694][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.423694][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.423694][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.423694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.423694][ T72] [ 4276.425927][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4276.425927][ T72] netdev_get_by_index+0x5e/0x80 [ 4276.425927][ T72] fib6_nh_init+0x3d8/0x1580 [ 4276.425927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4276.425927][ T72] ip6_route_add+0x1c/0x140 [ 4276.425927][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4276.425927][ T72] addrconf_add_dev+0xe2/0x170 [ 4276.425927][ T72] inet6_addr_add+0x12f/0xa40 [ 4276.425927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.425927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.425927][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.425927][ T72] netlink_unicast+0x449/0x710 [ 4276.425927][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.425927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.425927][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.425927][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.425927][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.425927][ T72] [ 4276.428082][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4276.428082][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4276.428082][ T72] ipv6_find_idev+0x102/0x170 [ 4276.428082][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.428082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.428082][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.428082][ T72] netlink_unicast+0x449/0x710 [ 4276.428082][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.428082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.428082][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.428082][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.428082][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.428082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.428082][ T72] [ 4276.429825][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4276.429825][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4276.429825][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4276.429825][ T72] ipv6_find_idev+0x102/0x170 [ 4276.429825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.429825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.429825][ T72] netlink_rcv_skb+0x130/0x360 [ 4276.429825][ T72] netlink_unicast+0x449/0x710 [ 4276.429825][ T72] netlink_sendmsg+0x723/0xbe0 [ 4276.429825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4276.429825][ T72] ___sys_sendmsg+0xee/0x170 [ 4276.429825][ T72] __sys_sendmsg+0xcd/0x170 [ 4276.429825][ T72] do_syscall_64+0xc6/0x1e0 [ 4276.429825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.429825][ T72] [ 4286.672942][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4286.673394][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4286.673394][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4286.673394][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4286.673394][ T72] fib6_nh_init+0xa22/0x1580 [ 4286.673394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.673394][ T72] ip6_route_add+0x1c/0x140 [ 4286.673394][ T72] inet6_rtm_newroute+0x104/0x110 [ 4286.673394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.673394][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.673394][ T72] netlink_unicast+0x449/0x710 [ 4286.673394][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.673394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.673394][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.673394][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.673394][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.673394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.673394][ T72] [ 4286.675338][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4286.675338][ T72] dst_init+0x84/0x4a0 [ 4286.675338][ T72] dst_alloc+0x97/0x150 [ 4286.675338][ T72] ip6_dst_alloc+0x23/0x90 [ 4286.675338][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4286.675338][ T72] ip6_pol_route+0x56f/0x840 [ 4286.675338][ T72] fib6_rule_lookup+0x456/0x630 [ 4286.675338][ T72] ip6_route_input+0x59c/0xa50 [ 4286.675338][ T72] ipv6_rcv+0x397/0x810 [ 4286.675338][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4286.675338][ T72] process_backlog+0x101/0x620 [ 4286.675338][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4286.675338][ T72] net_rx_action+0x495/0xbe0 [ 4286.675338][ T72] __do_softirq+0x1b5/0x7f6 [ 4286.675338][ T72] [ 4286.676989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4286.676989][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.676989][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.676989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.676989][ T72] ip6_route_add+0x1c/0x140 [ 4286.676989][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4286.676989][ T72] inet6_addr_add+0x4f8/0xa40 [ 4286.676989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.676989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.676989][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.676989][ T72] netlink_unicast+0x449/0x710 [ 4286.676989][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.676989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.676989][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.676989][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.676989][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.676989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.676989][ T72] [ 4286.679014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4286.679014][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.679014][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.679014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.679014][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4286.679014][ T72] ipv6_add_addr+0x411/0x2000 [ 4286.679014][ T72] inet6_addr_add+0x30e/0xa40 [ 4286.679014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.679014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.679014][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.679014][ T72] netlink_unicast+0x449/0x710 [ 4286.679014][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.679014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.679014][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.679014][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.679014][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.679014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.679014][ T72] [ 4286.681027][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4286.681027][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.681027][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.681027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.681027][ T72] ip6_route_add+0x1c/0x140 [ 4286.681027][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4286.681027][ T72] addrconf_add_dev+0xe2/0x170 [ 4286.681027][ T72] inet6_addr_add+0x12f/0xa40 [ 4286.681027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.681027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.681027][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.681027][ T72] netlink_unicast+0x449/0x710 [ 4286.681027][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.681027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.681027][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.681027][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.681027][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.681027][ T72] [ 4286.682998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4286.682998][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4286.682998][ T72] ipv6_find_idev+0x102/0x170 [ 4286.682998][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.682998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.682998][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.682998][ T72] netlink_unicast+0x449/0x710 [ 4286.682998][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.682998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.682998][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.682998][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.682998][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.682998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.682998][ T72] [ 4286.684545][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4286.684545][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4286.684545][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4286.684545][ T72] ipv6_find_idev+0x102/0x170 [ 4286.684545][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.684545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.684545][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.684545][ T72] netlink_unicast+0x449/0x710 [ 4286.684545][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.684545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.684545][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.684545][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.684545][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.684545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.684545][ T72] [ 4286.686256][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4286.686530][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4286.686530][ T72] dst_init+0x84/0x4a0 [ 4286.686530][ T72] dst_alloc+0x97/0x150 [ 4286.686530][ T72] ip6_dst_alloc+0x23/0x90 [ 4286.686530][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4286.686530][ T72] ip6_pol_route+0x56f/0x840 [ 4286.686530][ T72] fib6_rule_lookup+0x456/0x630 [ 4286.686530][ T72] ip6_route_input+0x59c/0xa50 [ 4286.686530][ T72] ipv6_rcv+0x397/0x810 [ 4286.686530][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4286.686530][ T72] process_backlog+0x101/0x620 [ 4286.686530][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4286.686530][ T72] net_rx_action+0x495/0xbe0 [ 4286.686530][ T72] __do_softirq+0x1b5/0x7f6 [ 4286.686530][ T72] [ 4286.688188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4286.688188][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.688188][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.688188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.688188][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4286.688188][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4286.688188][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4286.688188][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4286.688188][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4286.688188][ T72] addrconf_dad_begin+0x310/0x670 [ 4286.688188][ T72] addrconf_dad_work+0x10b/0xab0 [ 4286.688188][ T72] process_one_work+0x84d/0x18a0 [ 4286.688188][ T72] worker_thread+0x587/0xd30 [ 4286.688188][ T72] kthread+0x28a/0x350 [ 4286.688188][ T72] ret_from_fork+0x31/0x70 [ 4286.688188][ T72] ret_from_fork_asm+0x1a/0x30 [ 4286.688188][ T72] [ 4286.690107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4286.690107][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.690107][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.690107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.690107][ T72] ip6_route_add+0x1c/0x140 [ 4286.690107][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4286.690107][ T72] inet6_addr_add+0x4f8/0xa40 [ 4286.690107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.690107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.690107][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.690107][ T72] netlink_unicast+0x449/0x710 [ 4286.690107][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.690107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.690107][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.690107][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.690107][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.690107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.690107][ T72] [ 4286.692109][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4286.692109][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.692109][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.692109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.692109][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4286.692109][ T72] ipv6_add_addr+0x411/0x2000 [ 4286.692109][ T72] inet6_addr_add+0x30e/0xa40 [ 4286.692109][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.692109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.692109][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.692109][ T72] netlink_unicast+0x449/0x710 [ 4286.692109][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.692109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.692109][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.692109][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.692109][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.692109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.692109][ T72] [ 4286.694125][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4286.694125][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.694125][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.694125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.694125][ T72] ip6_route_add+0x1c/0x140 [ 4286.694125][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4286.694125][ T72] addrconf_add_dev+0xe2/0x170 [ 4286.694125][ T72] inet6_addr_add+0x12f/0xa40 [ 4286.694125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.694125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.694125][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.694125][ T72] netlink_unicast+0x449/0x710 [ 4286.694125][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.694125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.694125][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.694125][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.694125][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.694125][ T72] [ 4286.696090][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4286.696090][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4286.696090][ T72] ipv6_find_idev+0x102/0x170 [ 4286.696090][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.696090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.696090][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.696090][ T72] netlink_unicast+0x449/0x710 [ 4286.696090][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.696090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.696090][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.696090][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.696090][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.696090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.696090][ T72] [ 4286.697633][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4286.697633][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4286.697633][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4286.697633][ T72] ipv6_find_idev+0x102/0x170 [ 4286.697633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.697633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.697633][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.697633][ T72] netlink_unicast+0x449/0x710 [ 4286.697633][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.697633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.697633][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.697633][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.697633][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.697633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.697633][ T72] [ 4286.699399][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4286.699745][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4286.699745][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4286.699745][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4286.699745][ T72] fib6_nh_init+0xa22/0x1580 [ 4286.699745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.699745][ T72] ip6_route_add+0x1c/0x140 [ 4286.699745][ T72] inet6_rtm_newroute+0x104/0x110 [ 4286.699745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.699745][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.699745][ T72] netlink_unicast+0x449/0x710 [ 4286.699745][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.699745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.699745][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.699745][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.699745][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.699745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.699745][ T72] [ 4286.701809][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4286.701809][ T72] dst_init+0x84/0x4a0 [ 4286.701809][ T72] dst_alloc+0x97/0x150 [ 4286.701809][ T72] ip6_dst_alloc+0x23/0x90 [ 4286.701809][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4286.701809][ T72] ip6_pol_route+0x56f/0x840 [ 4286.701809][ T72] fib6_rule_lookup+0x456/0x630 [ 4286.701809][ T72] ip6_route_input+0x59c/0xa50 [ 4286.701809][ T72] ipv6_rcv+0x397/0x810 [ 4286.701809][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4286.701809][ T72] process_backlog+0x101/0x620 [ 4286.701809][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4286.701809][ T72] net_rx_action+0x495/0xbe0 [ 4286.701809][ T72] __do_softirq+0x1b5/0x7f6 [ 4286.701809][ T72] [ 4286.703629][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4286.703629][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.703629][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.703629][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.703629][ T72] ip6_route_add+0x1c/0x140 [ 4286.703629][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4286.703629][ T72] inet6_addr_add+0x4f8/0xa40 [ 4286.703629][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.703629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.703629][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.703629][ T72] netlink_unicast+0x449/0x710 [ 4286.703629][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.703629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.703629][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.703629][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.703629][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.703629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.703629][ T72] [ 4286.705876][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4286.705876][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.705876][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.705876][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.705876][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4286.705876][ T72] ipv6_add_addr+0x411/0x2000 [ 4286.705876][ T72] inet6_addr_add+0x30e/0xa40 [ 4286.705876][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.705876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.705876][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.705876][ T72] netlink_unicast+0x449/0x710 [ 4286.705876][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.705876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.705876][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.705876][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.705876][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.705876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.705876][ T72] [ 4286.708128][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4286.708128][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.708128][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.708128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.708128][ T72] ip6_route_add+0x1c/0x140 [ 4286.708128][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4286.708128][ T72] addrconf_add_dev+0xe2/0x170 [ 4286.708128][ T72] inet6_addr_add+0x12f/0xa40 [ 4286.708128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.708128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.708128][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.708128][ T72] netlink_unicast+0x449/0x710 [ 4286.708128][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.708128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.708128][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.708128][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.708128][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.708128][ T72] [ 4286.710402][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4286.710402][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4286.710402][ T72] ipv6_find_idev+0x102/0x170 [ 4286.710402][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.710402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.710402][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.710402][ T72] netlink_unicast+0x449/0x710 [ 4286.710402][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.710402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.710402][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.710402][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.710402][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.710402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.710402][ T72] [ 4286.712153][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4286.712153][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4286.712153][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4286.712153][ T72] ipv6_find_idev+0x102/0x170 [ 4286.712153][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.712153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.712153][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.712153][ T72] netlink_unicast+0x449/0x710 [ 4286.712153][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.712153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.712153][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.712153][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.712153][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.712153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.712153][ T72] [ 4286.714035][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4286.714313][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4286.714313][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.714313][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.714313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.714313][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4286.714313][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4286.714313][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4286.714313][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4286.714313][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4286.714313][ T72] addrconf_dad_begin+0x310/0x670 [ 4286.714313][ T72] addrconf_dad_work+0x10b/0xab0 [ 4286.714313][ T72] process_one_work+0x84d/0x18a0 [ 4286.714313][ T72] worker_thread+0x587/0xd30 [ 4286.714313][ T72] kthread+0x28a/0x350 [ 4286.714313][ T72] ret_from_fork+0x31/0x70 [ 4286.714313][ T72] ret_from_fork_asm+0x1a/0x30 [ 4286.714313][ T72] [ 4286.716476][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4286.716476][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.716476][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.716476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.716476][ T72] ip6_route_add+0x1c/0x140 [ 4286.716476][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4286.716476][ T72] inet6_addr_add+0x4f8/0xa40 [ 4286.716476][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.716476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.716476][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.716476][ T72] netlink_unicast+0x449/0x710 [ 4286.716476][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.716476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.716476][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.716476][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.716476][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.716476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.716476][ T72] [ 4286.718726][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4286.718726][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.718726][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.718726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.718726][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4286.718726][ T72] ipv6_add_addr+0x411/0x2000 [ 4286.718726][ T72] inet6_addr_add+0x30e/0xa40 [ 4286.718726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.718726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.718726][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.718726][ T72] netlink_unicast+0x449/0x710 [ 4286.718726][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.718726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.718726][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.718726][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.718726][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.718726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.718726][ T72] [ 4286.721049][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4286.721049][ T72] netdev_get_by_index+0x5e/0x80 [ 4286.721049][ T72] fib6_nh_init+0x3d8/0x1580 [ 4286.721049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4286.721049][ T72] ip6_route_add+0x1c/0x140 [ 4286.721049][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4286.721049][ T72] addrconf_add_dev+0xe2/0x170 [ 4286.721049][ T72] inet6_addr_add+0x12f/0xa40 [ 4286.721049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.721049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.721049][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.721049][ T72] netlink_unicast+0x449/0x710 [ 4286.721049][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.721049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.721049][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.721049][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.721049][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.721049][ T72] [ 4286.723268][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4286.723268][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4286.723268][ T72] ipv6_find_idev+0x102/0x170 [ 4286.723268][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.723268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.723268][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.723268][ T72] netlink_unicast+0x449/0x710 [ 4286.723268][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.723268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.723268][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.723268][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.723268][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.723268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.723268][ T72] [ 4286.724934][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4286.724934][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4286.724934][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4286.724934][ T72] ipv6_find_idev+0x102/0x170 [ 4286.724934][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.724934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.724934][ T72] netlink_rcv_skb+0x130/0x360 [ 4286.724934][ T72] netlink_unicast+0x449/0x710 [ 4286.724934][ T72] netlink_sendmsg+0x723/0xbe0 [ 4286.724934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4286.724934][ T72] ___sys_sendmsg+0xee/0x170 [ 4286.724934][ T72] __sys_sendmsg+0xcd/0x170 [ 4286.724934][ T72] do_syscall_64+0xc6/0x1e0 [ 4286.724934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.724934][ T72] [ 4296.968848][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4296.969346][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4296.969346][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4296.969346][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4296.969346][ T72] fib6_nh_init+0xa22/0x1580 [ 4296.969346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.969346][ T72] ip6_route_add+0x1c/0x140 [ 4296.969346][ T72] inet6_rtm_newroute+0x104/0x110 [ 4296.969346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.969346][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.969346][ T72] netlink_unicast+0x449/0x710 [ 4296.969346][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.969346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.969346][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.969346][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.969346][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.969346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.969346][ T72] [ 4296.971478][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4296.971478][ T72] dst_init+0x84/0x4a0 [ 4296.971478][ T72] dst_alloc+0x97/0x150 [ 4296.971478][ T72] ip6_dst_alloc+0x23/0x90 [ 4296.971478][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4296.971478][ T72] ip6_pol_route+0x56f/0x840 [ 4296.971478][ T72] fib6_rule_lookup+0x456/0x630 [ 4296.971478][ T72] ip6_route_input+0x59c/0xa50 [ 4296.971478][ T72] ipv6_rcv+0x397/0x810 [ 4296.971478][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4296.971478][ T72] process_backlog+0x101/0x620 [ 4296.971478][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4296.971478][ T72] net_rx_action+0x495/0xbe0 [ 4296.971478][ T72] __do_softirq+0x1b5/0x7f6 [ 4296.971478][ T72] [ 4296.973331][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4296.973331][ T72] netdev_get_by_index+0x5e/0x80 [ 4296.973331][ T72] fib6_nh_init+0x3d8/0x1580 [ 4296.973331][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.973331][ T72] ip6_route_add+0x1c/0x140 [ 4296.973331][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4296.973331][ T72] inet6_addr_add+0x4f8/0xa40 [ 4296.973331][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.973331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.973331][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.973331][ T72] netlink_unicast+0x449/0x710 [ 4296.973331][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.973331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.973331][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.973331][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.973331][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.973331][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.973331][ T72] [ 4296.975538][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4296.975538][ T72] netdev_get_by_index+0x5e/0x80 [ 4296.975538][ T72] fib6_nh_init+0x3d8/0x1580 [ 4296.975538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.975538][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4296.975538][ T72] ipv6_add_addr+0x411/0x2000 [ 4296.975538][ T72] inet6_addr_add+0x30e/0xa40 [ 4296.975538][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.975538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.975538][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.975538][ T72] netlink_unicast+0x449/0x710 [ 4296.975538][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.975538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.975538][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.975538][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.975538][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.975538][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.975538][ T72] [ 4296.977758][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4296.977758][ T72] netdev_get_by_index+0x5e/0x80 [ 4296.977758][ T72] fib6_nh_init+0x3d8/0x1580 [ 4296.977758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.977758][ T72] ip6_route_add+0x1c/0x140 [ 4296.977758][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4296.977758][ T72] addrconf_add_dev+0xe2/0x170 [ 4296.977758][ T72] inet6_addr_add+0x12f/0xa40 [ 4296.977758][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.977758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.977758][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.977758][ T72] netlink_unicast+0x449/0x710 [ 4296.977758][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.977758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.977758][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.977758][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.977758][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.977758][ T72] [ 4296.979955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4296.979955][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4296.979955][ T72] ipv6_find_idev+0x102/0x170 [ 4296.979955][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.979955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.979955][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.979955][ T72] netlink_unicast+0x449/0x710 [ 4296.979955][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.979955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.979955][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.979955][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.979955][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.979955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.979955][ T72] [ 4296.981630][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4296.981630][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4296.981630][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4296.981630][ T72] ipv6_find_idev+0x102/0x170 [ 4296.981630][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.981630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.981630][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.981630][ T72] netlink_unicast+0x449/0x710 [ 4296.981630][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.981630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.981630][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.981630][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.981630][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.981630][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.981630][ T72] [ 4296.983520][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4296.983810][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4296.983810][ T72] dst_init+0x84/0x4a0 [ 4296.983810][ T72] dst_alloc+0x97/0x150 [ 4296.983810][ T72] ip6_dst_alloc+0x23/0x90 [ 4296.983810][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4296.983810][ T72] ip6_pol_route+0x56f/0x840 [ 4296.983810][ T72] fib6_rule_lookup+0x456/0x630 [ 4296.983810][ T72] ip6_route_input+0x59c/0xa50 [ 4296.983810][ T72] ipv6_rcv+0x397/0x810 [ 4296.983810][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4296.983810][ T72] process_backlog+0x101/0x620 [ 4296.983810][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4296.983810][ T72] net_rx_action+0x495/0xbe0 [ 4296.983810][ T72] __do_softirq+0x1b5/0x7f6 [ 4296.983810][ T72] [ 4296.985658][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4296.985658][ T72] netdev_get_by_index+0x5e/0x80 [ 4296.985658][ T72] fib6_nh_init+0x3d8/0x1580 [ 4296.985658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.985658][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4296.985658][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4296.985658][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4296.985658][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4296.985658][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4296.985658][ T72] addrconf_dad_begin+0x310/0x670 [ 4296.985658][ T72] addrconf_dad_work+0x10b/0xab0 [ 4296.985658][ T72] process_one_work+0x84d/0x18a0 [ 4296.985658][ T72] worker_thread+0x587/0xd30 [ 4296.985658][ T72] kthread+0x28a/0x350 [ 4296.985658][ T72] ret_from_fork+0x31/0x70 [ 4296.985658][ T72] ret_from_fork_asm+0x1a/0x30 [ 4296.985658][ T72] [ 4296.987792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4296.987792][ T72] netdev_get_by_index+0x5e/0x80 [ 4296.987792][ T72] fib6_nh_init+0x3d8/0x1580 [ 4296.987792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.987792][ T72] ip6_route_add+0x1c/0x140 [ 4296.987792][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4296.987792][ T72] inet6_addr_add+0x4f8/0xa40 [ 4296.987792][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.987792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.987792][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.987792][ T72] netlink_unicast+0x449/0x710 [ 4296.987792][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.987792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.987792][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.987792][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.987792][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.987792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.987792][ T72] [ 4296.990020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4296.990020][ T72] netdev_get_by_index+0x5e/0x80 [ 4296.990020][ T72] fib6_nh_init+0x3d8/0x1580 [ 4296.990020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.990020][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4296.990020][ T72] ipv6_add_addr+0x411/0x2000 [ 4296.990020][ T72] inet6_addr_add+0x30e/0xa40 [ 4296.990020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.990020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.990020][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.990020][ T72] netlink_unicast+0x449/0x710 [ 4296.990020][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.990020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.990020][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.990020][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.990020][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.990020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.990020][ T72] [ 4296.992203][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4296.992203][ T72] netdev_get_by_index+0x5e/0x80 [ 4296.992203][ T72] fib6_nh_init+0x3d8/0x1580 [ 4296.992203][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.992203][ T72] ip6_route_add+0x1c/0x140 [ 4296.992203][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4296.992203][ T72] addrconf_add_dev+0xe2/0x170 [ 4296.992203][ T72] inet6_addr_add+0x12f/0xa40 [ 4296.992203][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.992203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.992203][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.992203][ T72] netlink_unicast+0x449/0x710 [ 4296.992203][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.992203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.992203][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.992203][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.992203][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.992203][ T72] [ 4296.994370][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4296.994370][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4296.994370][ T72] ipv6_find_idev+0x102/0x170 [ 4296.994370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.994370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.994370][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.994370][ T72] netlink_unicast+0x449/0x710 [ 4296.994370][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.994370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.994370][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.994370][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.994370][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.994370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.994370][ T72] [ 4296.996066][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4296.996066][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4296.996066][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4296.996066][ T72] ipv6_find_idev+0x102/0x170 [ 4296.996066][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.996066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.996066][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.996066][ T72] netlink_unicast+0x449/0x710 [ 4296.996066][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.996066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.996066][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.996066][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.996066][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.996066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.996066][ T72] [ 4296.998050][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4296.998339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4296.998339][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4296.998339][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4296.998339][ T72] fib6_nh_init+0xa22/0x1580 [ 4296.998339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4296.998339][ T72] ip6_route_add+0x1c/0x140 [ 4296.998339][ T72] inet6_rtm_newroute+0x104/0x110 [ 4296.998339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.998339][ T72] netlink_rcv_skb+0x130/0x360 [ 4296.998339][ T72] netlink_unicast+0x449/0x710 [ 4296.998339][ T72] netlink_sendmsg+0x723/0xbe0 [ 4296.998339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4296.998339][ T72] ___sys_sendmsg+0xee/0x170 [ 4296.998339][ T72] __sys_sendmsg+0xcd/0x170 [ 4296.998339][ T72] do_syscall_64+0xc6/0x1e0 [ 4296.998339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.998339][ T72] [ 4297.000657][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4297.000657][ T72] dst_init+0x84/0x4a0 [ 4297.000657][ T72] dst_alloc+0x97/0x150 [ 4297.000657][ T72] ip6_dst_alloc+0x23/0x90 [ 4297.000657][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4297.000657][ T72] ip6_pol_route+0x56f/0x840 [ 4297.000657][ T72] fib6_rule_lookup+0x456/0x630 [ 4297.000657][ T72] ip6_route_input+0x59c/0xa50 [ 4297.000657][ T72] ipv6_rcv+0x397/0x810 [ 4297.000657][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4297.000657][ T72] process_backlog+0x101/0x620 [ 4297.000657][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4297.000657][ T72] net_rx_action+0x495/0xbe0 [ 4297.000657][ T72] __do_softirq+0x1b5/0x7f6 [ 4297.000657][ T72] [ 4297.002696][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4297.002696][ T72] netdev_get_by_index+0x5e/0x80 [ 4297.002696][ T72] fib6_nh_init+0x3d8/0x1580 [ 4297.002696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4297.002696][ T72] ip6_route_add+0x1c/0x140 [ 4297.002696][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4297.002696][ T72] inet6_addr_add+0x4f8/0xa40 [ 4297.002696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4297.002696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.002696][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.002696][ T72] netlink_unicast+0x449/0x710 [ 4297.002696][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.002696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.002696][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.002696][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.002696][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.002696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4297.002696][ T72] [ 4297.005607][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4297.005607][ T72] netdev_get_by_index+0x5e/0x80 [ 4297.005607][ T72] fib6_nh_init+0x3d8/0x1580 [ 4297.005607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4297.005607][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4297.005607][ T72] ipv6_add_addr+0x411/0x2000 [ 4297.005607][ T72] inet6_addr_add+0x30e/0xa40 [ 4297.005607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4297.005607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.005607][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.005607][ T72] netlink_unicast+0x449/0x710 [ 4297.005607][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.005607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.005607][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.005607][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.005607][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.005607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4297.005607][ T72] [ 4297.008378][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4297.008378][ T72] netdev_get_by_index+0x5e/0x80 [ 4297.008378][ T72] fib6_nh_init+0x3d8/0x1580 [ 4297.008378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4297.008378][ T72] ip6_route_add+0x1c/0x140 [ 4297.008378][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4297.008378][ T72] addrconf_add_dev+0xe2/0x170 [ 4297.008378][ T72] inet6_addr_add+0x12f/0xa40 [ 4297.008378][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4297.008378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.008378][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.008378][ T72] netlink_unicast+0x449/0x710 [ 4297.008378][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.008378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.008378][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.008378][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.008378][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.008378][ T72] [ 4297.010834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4297.010834][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4297.010834][ T72] ipv6_find_idev+0x102/0x170 [ 4297.010834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4297.010834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.010834][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.010834][ T72] netlink_unicast+0x449/0x710 [ 4297.010834][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.010834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.010834][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.010834][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.010834][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.010834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4297.010834][ T72] [ 4297.012705][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4297.012705][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4297.012705][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4297.012705][ T72] ipv6_find_idev+0x102/0x170 [ 4297.012705][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4297.012705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.012705][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.012705][ T72] netlink_unicast+0x449/0x710 [ 4297.012705][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.012705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.012705][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.012705][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.012705][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.012705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4297.012705][ T72] [ 4297.014736][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4297.015527][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4297.015527][ T72] netdev_get_by_index+0x5e/0x80 [ 4297.015527][ T72] fib6_nh_init+0x3d8/0x1580 [ 4297.015527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4297.015527][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4297.015527][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4297.015527][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4297.015527][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4297.015527][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4297.015527][ T72] addrconf_dad_begin+0x310/0x670 [ 4297.015527][ T72] addrconf_dad_work+0x10b/0xab0 [ 4297.015527][ T72] process_one_work+0x84d/0x18a0 [ 4297.015527][ T72] worker_thread+0x587/0xd30 [ 4297.015527][ T72] kthread+0x28a/0x350 [ 4297.015527][ T72] ret_from_fork+0x31/0x70 [ 4297.015527][ T72] ret_from_fork_asm+0x1a/0x30 [ 4297.015527][ T72] [ 4297.017645][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4297.017645][ T72] netdev_get_by_index+0x5e/0x80 [ 4297.017645][ T72] fib6_nh_init+0x3d8/0x1580 [ 4297.017645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4297.017645][ T72] ip6_route_add+0x1c/0x140 [ 4297.017645][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4297.017645][ T72] inet6_addr_add+0x4f8/0xa40 [ 4297.017645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4297.017645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.017645][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.017645][ T72] netlink_unicast+0x449/0x710 [ 4297.017645][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.017645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.017645][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.017645][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.017645][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.017645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4297.017645][ T72] [ 4297.019912][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4297.019912][ T72] netdev_get_by_index+0x5e/0x80 [ 4297.019912][ T72] fib6_nh_init+0x3d8/0x1580 [ 4297.019912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4297.019912][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4297.019912][ T72] ipv6_add_addr+0x411/0x2000 [ 4297.019912][ T72] inet6_addr_add+0x30e/0xa40 [ 4297.019912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4297.019912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.019912][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.019912][ T72] netlink_unicast+0x449/0x710 [ 4297.019912][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.019912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.019912][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.019912][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.019912][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.019912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4297.019912][ T72] [ 4297.022358][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4297.022358][ T72] netdev_get_by_index+0x5e/0x80 [ 4297.022358][ T72] fib6_nh_init+0x3d8/0x1580 [ 4297.022358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4297.022358][ T72] ip6_route_add+0x1c/0x140 [ 4297.022358][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4297.022358][ T72] addrconf_add_dev+0xe2/0x170 [ 4297.022358][ T72] inet6_addr_add+0x12f/0xa40 [ 4297.022358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4297.022358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.022358][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.022358][ T72] netlink_unicast+0x449/0x710 [ 4297.022358][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.022358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.022358][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.022358][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.022358][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.022358][ T72] [ 4297.024840][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4297.024840][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4297.024840][ T72] ipv6_find_idev+0x102/0x170 [ 4297.024840][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4297.024840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.024840][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.024840][ T72] netlink_unicast+0x449/0x710 [ 4297.024840][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.024840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.024840][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.024840][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.024840][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.024840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4297.024840][ T72] [ 4297.026718][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4297.026718][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4297.026718][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4297.026718][ T72] ipv6_find_idev+0x102/0x170 [ 4297.026718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4297.026718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4297.026718][ T72] netlink_rcv_skb+0x130/0x360 [ 4297.026718][ T72] netlink_unicast+0x449/0x710 [ 4297.026718][ T72] netlink_sendmsg+0x723/0xbe0 [ 4297.026718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4297.026718][ T72] ___sys_sendmsg+0xee/0x170 [ 4297.026718][ T72] __sys_sendmsg+0xcd/0x170 [ 4297.026718][ T72] do_syscall_64+0xc6/0x1e0 [ 4297.026718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4297.026718][ T72] [ 4307.264974][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4307.265489][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4307.265489][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4307.265489][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4307.265489][ T72] fib6_nh_init+0xa22/0x1580 [ 4307.265489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.265489][ T72] ip6_route_add+0x1c/0x140 [ 4307.265489][ T72] inet6_rtm_newroute+0x104/0x110 [ 4307.265489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.265489][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.265489][ T72] netlink_unicast+0x449/0x710 [ 4307.265489][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.265489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.265489][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.265489][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.265489][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.265489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.265489][ T72] [ 4307.267408][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4307.267408][ T72] dst_init+0x84/0x4a0 [ 4307.267408][ T72] dst_alloc+0x97/0x150 [ 4307.267408][ T72] ip6_dst_alloc+0x23/0x90 [ 4307.267408][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4307.267408][ T72] ip6_pol_route+0x56f/0x840 [ 4307.267408][ T72] fib6_rule_lookup+0x456/0x630 [ 4307.267408][ T72] ip6_route_input+0x59c/0xa50 [ 4307.267408][ T72] ipv6_rcv+0x397/0x810 [ 4307.267408][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4307.267408][ T72] process_backlog+0x101/0x620 [ 4307.267408][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4307.267408][ T72] net_rx_action+0x495/0xbe0 [ 4307.267408][ T72] __do_softirq+0x1b5/0x7f6 [ 4307.267408][ T72] [ 4307.269077][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4307.269077][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.269077][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.269077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.269077][ T72] ip6_route_add+0x1c/0x140 [ 4307.269077][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4307.269077][ T72] inet6_addr_add+0x4f8/0xa40 [ 4307.269077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.269077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.269077][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.269077][ T72] netlink_unicast+0x449/0x710 [ 4307.269077][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.269077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.269077][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.269077][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.269077][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.269077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.269077][ T72] [ 4307.271091][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4307.271091][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.271091][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.271091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.271091][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4307.271091][ T72] ipv6_add_addr+0x411/0x2000 [ 4307.271091][ T72] inet6_addr_add+0x30e/0xa40 [ 4307.271091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.271091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.271091][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.271091][ T72] netlink_unicast+0x449/0x710 [ 4307.271091][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.271091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.271091][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.271091][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.271091][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.271091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.271091][ T72] [ 4307.273643][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4307.273643][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.273643][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.273643][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.273643][ T72] ip6_route_add+0x1c/0x140 [ 4307.273643][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4307.273643][ T72] addrconf_add_dev+0xe2/0x170 [ 4307.273643][ T72] inet6_addr_add+0x12f/0xa40 [ 4307.273643][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.273643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.273643][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.273643][ T72] netlink_unicast+0x449/0x710 [ 4307.273643][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.273643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.273643][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.273643][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.273643][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.273643][ T72] [ 4307.275624][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4307.275624][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4307.275624][ T72] ipv6_find_idev+0x102/0x170 [ 4307.275624][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4307.275624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.275624][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.275624][ T72] netlink_unicast+0x449/0x710 [ 4307.275624][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.275624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.275624][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.275624][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.275624][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.275624][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.275624][ T72] [ 4307.277180][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4307.277180][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4307.277180][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4307.277180][ T72] ipv6_find_idev+0x102/0x170 [ 4307.277180][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4307.277180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.277180][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.277180][ T72] netlink_unicast+0x449/0x710 [ 4307.277180][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.277180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.277180][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.277180][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.277180][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.277180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.277180][ T72] [ 4307.278905][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4307.279181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4307.279181][ T72] dst_init+0x84/0x4a0 [ 4307.279181][ T72] dst_alloc+0x97/0x150 [ 4307.279181][ T72] ip6_dst_alloc+0x23/0x90 [ 4307.279181][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4307.279181][ T72] ip6_pol_route+0x56f/0x840 [ 4307.279181][ T72] fib6_rule_lookup+0x456/0x630 [ 4307.279181][ T72] ip6_route_input+0x59c/0xa50 [ 4307.279181][ T72] ipv6_rcv+0x397/0x810 [ 4307.279181][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4307.279181][ T72] process_backlog+0x101/0x620 [ 4307.279181][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4307.279181][ T72] net_rx_action+0x495/0xbe0 [ 4307.279181][ T72] __do_softirq+0x1b5/0x7f6 [ 4307.279181][ T72] [ 4307.280834][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4307.280834][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.280834][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.280834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.280834][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4307.280834][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4307.280834][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4307.280834][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4307.280834][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4307.280834][ T72] addrconf_dad_begin+0x310/0x670 [ 4307.280834][ T72] addrconf_dad_work+0x10b/0xab0 [ 4307.280834][ T72] process_one_work+0x84d/0x18a0 [ 4307.280834][ T72] worker_thread+0x587/0xd30 [ 4307.280834][ T72] kthread+0x28a/0x350 [ 4307.280834][ T72] ret_from_fork+0x31/0x70 [ 4307.280834][ T72] ret_from_fork_asm+0x1a/0x30 [ 4307.280834][ T72] [ 4307.282749][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4307.282749][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.282749][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.282749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.282749][ T72] ip6_route_add+0x1c/0x140 [ 4307.282749][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4307.282749][ T72] inet6_addr_add+0x4f8/0xa40 [ 4307.282749][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.282749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.282749][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.282749][ T72] netlink_unicast+0x449/0x710 [ 4307.282749][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.282749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.282749][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.282749][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.282749][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.282749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.282749][ T72] [ 4307.285132][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4307.285132][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.285132][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.285132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.285132][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4307.285132][ T72] ipv6_add_addr+0x411/0x2000 [ 4307.285132][ T72] inet6_addr_add+0x30e/0xa40 [ 4307.285132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.285132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.285132][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.285132][ T72] netlink_unicast+0x449/0x710 [ 4307.285132][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.285132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.285132][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.285132][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.285132][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.285132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.285132][ T72] [ 4307.287138][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4307.287138][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.287138][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.287138][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.287138][ T72] ip6_route_add+0x1c/0x140 [ 4307.287138][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4307.287138][ T72] addrconf_add_dev+0xe2/0x170 [ 4307.287138][ T72] inet6_addr_add+0x12f/0xa40 [ 4307.287138][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.287138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.287138][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.287138][ T72] netlink_unicast+0x449/0x710 [ 4307.287138][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.287138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.287138][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.287138][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.287138][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.287138][ T72] [ 4307.289123][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4307.289123][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4307.289123][ T72] ipv6_find_idev+0x102/0x170 [ 4307.289123][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4307.289123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.289123][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.289123][ T72] netlink_unicast+0x449/0x710 [ 4307.289123][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.289123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.289123][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.289123][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.289123][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.289123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.289123][ T72] [ 4307.290669][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4307.290669][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4307.290669][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4307.290669][ T72] ipv6_find_idev+0x102/0x170 [ 4307.290669][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4307.290669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.290669][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.290669][ T72] netlink_unicast+0x449/0x710 [ 4307.290669][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.290669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.290669][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.290669][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.290669][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.290669][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.290669][ T72] [ 4307.292480][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4307.292837][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4307.292837][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4307.292837][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4307.292837][ T72] fib6_nh_init+0xa22/0x1580 [ 4307.292837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.292837][ T72] ip6_route_add+0x1c/0x140 [ 4307.292837][ T72] inet6_rtm_newroute+0x104/0x110 [ 4307.292837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.292837][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.292837][ T72] netlink_unicast+0x449/0x710 [ 4307.292837][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.292837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.292837][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.292837][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.292837][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.292837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.292837][ T72] [ 4307.294899][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4307.294899][ T72] dst_init+0x84/0x4a0 [ 4307.294899][ T72] dst_alloc+0x97/0x150 [ 4307.294899][ T72] ip6_dst_alloc+0x23/0x90 [ 4307.294899][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4307.294899][ T72] ip6_pol_route+0x56f/0x840 [ 4307.294899][ T72] fib6_rule_lookup+0x456/0x630 [ 4307.294899][ T72] ip6_route_input+0x59c/0xa50 [ 4307.294899][ T72] ipv6_rcv+0x397/0x810 [ 4307.294899][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4307.294899][ T72] process_backlog+0x101/0x620 [ 4307.294899][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4307.294899][ T72] net_rx_action+0x495/0xbe0 [ 4307.294899][ T72] __do_softirq+0x1b5/0x7f6 [ 4307.294899][ T72] [ 4307.296723][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4307.296723][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.296723][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.296723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.296723][ T72] ip6_route_add+0x1c/0x140 [ 4307.296723][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4307.296723][ T72] inet6_addr_add+0x4f8/0xa40 [ 4307.296723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.296723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.296723][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.296723][ T72] netlink_unicast+0x449/0x710 [ 4307.296723][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.296723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.296723][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.296723][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.296723][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.296723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.296723][ T72] [ 4307.298980][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4307.298980][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.298980][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.298980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.298980][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4307.298980][ T72] ipv6_add_addr+0x411/0x2000 [ 4307.298980][ T72] inet6_addr_add+0x30e/0xa40 [ 4307.298980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.298980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.298980][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.298980][ T72] netlink_unicast+0x449/0x710 [ 4307.298980][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.298980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.298980][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.298980][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.298980][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.298980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.298980][ T72] [ 4307.301171][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4307.301171][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.301171][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.301171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.301171][ T72] ip6_route_add+0x1c/0x140 [ 4307.301171][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4307.301171][ T72] addrconf_add_dev+0xe2/0x170 [ 4307.301171][ T72] inet6_addr_add+0x12f/0xa40 [ 4307.301171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.301171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.301171][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.301171][ T72] netlink_unicast+0x449/0x710 [ 4307.301171][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.301171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.301171][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.301171][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.301171][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.301171][ T72] [ 4307.303457][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4307.303457][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4307.303457][ T72] ipv6_find_idev+0x102/0x170 [ 4307.303457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4307.303457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.303457][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.303457][ T72] netlink_unicast+0x449/0x710 [ 4307.303457][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.303457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.303457][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.303457][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.303457][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.303457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.303457][ T72] [ 4307.305183][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4307.305183][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4307.305183][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4307.305183][ T72] ipv6_find_idev+0x102/0x170 [ 4307.305183][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4307.305183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.305183][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.305183][ T72] netlink_unicast+0x449/0x710 [ 4307.305183][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.305183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.305183][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.305183][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.305183][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.305183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.305183][ T72] [ 4307.307060][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4307.307339][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4307.307339][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.307339][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.307339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.307339][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4307.307339][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4307.307339][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4307.307339][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4307.307339][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4307.307339][ T72] addrconf_dad_begin+0x310/0x670 [ 4307.307339][ T72] addrconf_dad_work+0x10b/0xab0 [ 4307.307339][ T72] process_one_work+0x84d/0x18a0 [ 4307.307339][ T72] worker_thread+0x587/0xd30 [ 4307.307339][ T72] kthread+0x28a/0x350 [ 4307.307339][ T72] ret_from_fork+0x31/0x70 [ 4307.307339][ T72] ret_from_fork_asm+0x1a/0x30 [ 4307.307339][ T72] [ 4307.309503][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4307.309503][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.309503][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.309503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.309503][ T72] ip6_route_add+0x1c/0x140 [ 4307.309503][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4307.309503][ T72] inet6_addr_add+0x4f8/0xa40 [ 4307.309503][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.309503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.309503][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.309503][ T72] netlink_unicast+0x449/0x710 [ 4307.309503][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.309503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.309503][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.309503][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.309503][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.309503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.309503][ T72] [ 4307.311759][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4307.311759][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.311759][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.311759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.311759][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4307.311759][ T72] ipv6_add_addr+0x411/0x2000 [ 4307.311759][ T72] inet6_addr_add+0x30e/0xa40 [ 4307.311759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.311759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.311759][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.311759][ T72] netlink_unicast+0x449/0x710 [ 4307.311759][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.311759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.311759][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.311759][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.311759][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.311759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.311759][ T72] [ 4307.314066][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4307.314066][ T72] netdev_get_by_index+0x5e/0x80 [ 4307.314066][ T72] fib6_nh_init+0x3d8/0x1580 [ 4307.314066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4307.314066][ T72] ip6_route_add+0x1c/0x140 [ 4307.314066][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4307.314066][ T72] addrconf_add_dev+0xe2/0x170 [ 4307.314066][ T72] inet6_addr_add+0x12f/0xa40 [ 4307.314066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4307.314066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.314066][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.314066][ T72] netlink_unicast+0x449/0x710 [ 4307.314066][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.314066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.314066][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.314066][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.314066][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.314066][ T72] [ 4307.316219][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4307.316219][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4307.316219][ T72] ipv6_find_idev+0x102/0x170 [ 4307.316219][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4307.316219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.316219][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.316219][ T72] netlink_unicast+0x449/0x710 [ 4307.316219][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.316219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.316219][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.316219][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.316219][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.316219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.316219][ T72] [ 4307.317949][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4307.317949][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4307.317949][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4307.317949][ T72] ipv6_find_idev+0x102/0x170 [ 4307.317949][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4307.317949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4307.317949][ T72] netlink_rcv_skb+0x130/0x360 [ 4307.317949][ T72] netlink_unicast+0x449/0x710 [ 4307.317949][ T72] netlink_sendmsg+0x723/0xbe0 [ 4307.317949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4307.317949][ T72] ___sys_sendmsg+0xee/0x170 [ 4307.317949][ T72] __sys_sendmsg+0xcd/0x170 [ 4307.317949][ T72] do_syscall_64+0xc6/0x1e0 [ 4307.317949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4307.317949][ T72] [ 4317.448979][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4317.450010][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4317.450010][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4317.450010][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4317.450010][ T72] fib6_nh_init+0xa22/0x1580 [ 4317.450010][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.450010][ T72] ip6_route_add+0x1c/0x140 [ 4317.450010][ T72] inet6_rtm_newroute+0x104/0x110 [ 4317.450010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.450010][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.450010][ T72] netlink_unicast+0x449/0x710 [ 4317.450010][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.450010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.450010][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.450010][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.450010][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.450010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.450010][ T72] [ 4317.451928][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4317.451928][ T72] dst_init+0x84/0x4a0 [ 4317.451928][ T72] dst_alloc+0x97/0x150 [ 4317.451928][ T72] ip6_dst_alloc+0x23/0x90 [ 4317.451928][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4317.451928][ T72] ip6_pol_route+0x56f/0x840 [ 4317.451928][ T72] fib6_rule_lookup+0x456/0x630 [ 4317.451928][ T72] ip6_route_input+0x59c/0xa50 [ 4317.451928][ T72] ipv6_rcv+0x397/0x810 [ 4317.451928][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4317.451928][ T72] process_backlog+0x101/0x620 [ 4317.451928][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4317.451928][ T72] net_rx_action+0x495/0xbe0 [ 4317.451928][ T72] __do_softirq+0x1b5/0x7f6 [ 4317.451928][ T72] [ 4317.453589][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4317.453589][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.453589][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.453589][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.453589][ T72] ip6_route_add+0x1c/0x140 [ 4317.453589][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4317.453589][ T72] inet6_addr_add+0x4f8/0xa40 [ 4317.453589][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.453589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.453589][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.453589][ T72] netlink_unicast+0x449/0x710 [ 4317.453589][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.453589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.453589][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.453589][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.453589][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.453589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.453589][ T72] [ 4317.455606][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4317.455606][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.455606][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.455606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.455606][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4317.455606][ T72] ipv6_add_addr+0x411/0x2000 [ 4317.455606][ T72] inet6_addr_add+0x30e/0xa40 [ 4317.455606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.455606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.455606][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.455606][ T72] netlink_unicast+0x449/0x710 [ 4317.455606][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.455606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.455606][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.455606][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.455606][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.455606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.455606][ T72] [ 4317.457638][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4317.457638][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.457638][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.457638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.457638][ T72] ip6_route_add+0x1c/0x140 [ 4317.457638][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4317.457638][ T72] addrconf_add_dev+0xe2/0x170 [ 4317.457638][ T72] inet6_addr_add+0x12f/0xa40 [ 4317.457638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.457638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.457638][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.457638][ T72] netlink_unicast+0x449/0x710 [ 4317.457638][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.457638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.457638][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.457638][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.457638][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.457638][ T72] [ 4317.459640][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4317.459640][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4317.459640][ T72] ipv6_find_idev+0x102/0x170 [ 4317.459640][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.459640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.459640][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.459640][ T72] netlink_unicast+0x449/0x710 [ 4317.459640][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.459640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.459640][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.459640][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.459640][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.459640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.459640][ T72] [ 4317.461183][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4317.461183][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4317.461183][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4317.461183][ T72] ipv6_find_idev+0x102/0x170 [ 4317.461183][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.461183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.461183][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.461183][ T72] netlink_unicast+0x449/0x710 [ 4317.461183][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.461183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.461183][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.461183][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.461183][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.461183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.461183][ T72] [ 4317.463447][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4317.463727][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4317.463727][ T72] dst_init+0x84/0x4a0 [ 4317.463727][ T72] dst_alloc+0x97/0x150 [ 4317.463727][ T72] ip6_dst_alloc+0x23/0x90 [ 4317.463727][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4317.463727][ T72] ip6_pol_route+0x56f/0x840 [ 4317.463727][ T72] fib6_rule_lookup+0x456/0x630 [ 4317.463727][ T72] ip6_route_input+0x59c/0xa50 [ 4317.463727][ T72] ipv6_rcv+0x397/0x810 [ 4317.463727][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4317.463727][ T72] process_backlog+0x101/0x620 [ 4317.463727][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4317.463727][ T72] net_rx_action+0x495/0xbe0 [ 4317.463727][ T72] __do_softirq+0x1b5/0x7f6 [ 4317.463727][ T72] [ 4317.465378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4317.465378][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.465378][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.465378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.465378][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4317.465378][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4317.465378][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4317.465378][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4317.465378][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4317.465378][ T72] addrconf_dad_begin+0x310/0x670 [ 4317.465378][ T72] addrconf_dad_work+0x10b/0xab0 [ 4317.465378][ T72] process_one_work+0x84d/0x18a0 [ 4317.465378][ T72] worker_thread+0x587/0xd30 [ 4317.465378][ T72] kthread+0x28a/0x350 [ 4317.465378][ T72] ret_from_fork+0x31/0x70 [ 4317.465378][ T72] ret_from_fork_asm+0x1a/0x30 [ 4317.465378][ T72] [ 4317.467305][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4317.467305][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.467305][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.467305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.467305][ T72] ip6_route_add+0x1c/0x140 [ 4317.467305][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4317.467305][ T72] inet6_addr_add+0x4f8/0xa40 [ 4317.467305][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.467305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.467305][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.467305][ T72] netlink_unicast+0x449/0x710 [ 4317.467305][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.467305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.467305][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.467305][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.467305][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.467305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.467305][ T72] [ 4317.469676][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4317.469676][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.469676][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.469676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.469676][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4317.469676][ T72] ipv6_add_addr+0x411/0x2000 [ 4317.469676][ T72] inet6_addr_add+0x30e/0xa40 [ 4317.469676][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.469676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.469676][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.469676][ T72] netlink_unicast+0x449/0x710 [ 4317.469676][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.469676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.469676][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.469676][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.469676][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.469676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.469676][ T72] [ 4317.471653][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4317.471653][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.471653][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.471653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.471653][ T72] ip6_route_add+0x1c/0x140 [ 4317.471653][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4317.471653][ T72] addrconf_add_dev+0xe2/0x170 [ 4317.471653][ T72] inet6_addr_add+0x12f/0xa40 [ 4317.471653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.471653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.471653][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.471653][ T72] netlink_unicast+0x449/0x710 [ 4317.471653][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.471653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.471653][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.471653][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.471653][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.471653][ T72] [ 4317.473617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4317.473617][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4317.473617][ T72] ipv6_find_idev+0x102/0x170 [ 4317.473617][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.473617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.473617][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.473617][ T72] netlink_unicast+0x449/0x710 [ 4317.473617][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.473617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.473617][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.473617][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.473617][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.473617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.473617][ T72] [ 4317.475153][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4317.475153][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4317.475153][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4317.475153][ T72] ipv6_find_idev+0x102/0x170 [ 4317.475153][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.475153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.475153][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.475153][ T72] netlink_unicast+0x449/0x710 [ 4317.475153][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.475153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.475153][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.475153][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.475153][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.475153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.475153][ T72] [ 4317.476833][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4317.477178][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4317.477178][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4317.477178][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4317.477178][ T72] fib6_nh_init+0xa22/0x1580 [ 4317.477178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.477178][ T72] ip6_route_add+0x1c/0x140 [ 4317.477178][ T72] inet6_rtm_newroute+0x104/0x110 [ 4317.477178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.477178][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.477178][ T72] netlink_unicast+0x449/0x710 [ 4317.477178][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.477178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.477178][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.477178][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.477178][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.477178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.477178][ T72] [ 4317.479622][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4317.479622][ T72] dst_init+0x84/0x4a0 [ 4317.479622][ T72] dst_alloc+0x97/0x150 [ 4317.479622][ T72] ip6_dst_alloc+0x23/0x90 [ 4317.479622][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4317.479622][ T72] ip6_pol_route+0x56f/0x840 [ 4317.479622][ T72] fib6_rule_lookup+0x456/0x630 [ 4317.479622][ T72] ip6_route_input+0x59c/0xa50 [ 4317.479622][ T72] ipv6_rcv+0x397/0x810 [ 4317.479622][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4317.479622][ T72] process_backlog+0x101/0x620 [ 4317.479622][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4317.479622][ T72] net_rx_action+0x495/0xbe0 [ 4317.479622][ T72] __do_softirq+0x1b5/0x7f6 [ 4317.479622][ T72] [ 4317.481405][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4317.481405][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.481405][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.481405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.481405][ T72] ip6_route_add+0x1c/0x140 [ 4317.481405][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4317.481405][ T72] inet6_addr_add+0x4f8/0xa40 [ 4317.481405][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.481405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.481405][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.481405][ T72] netlink_unicast+0x449/0x710 [ 4317.481405][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.481405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.481405][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.481405][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.481405][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.481405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.481405][ T72] [ 4317.483627][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4317.483627][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.483627][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.483627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.483627][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4317.483627][ T72] ipv6_add_addr+0x411/0x2000 [ 4317.483627][ T72] inet6_addr_add+0x30e/0xa40 [ 4317.483627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.483627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.483627][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.483627][ T72] netlink_unicast+0x449/0x710 [ 4317.483627][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.483627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.483627][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.483627][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.483627][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.483627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.483627][ T72] [ 4317.485846][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4317.485846][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.485846][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.485846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.485846][ T72] ip6_route_add+0x1c/0x140 [ 4317.485846][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4317.485846][ T72] addrconf_add_dev+0xe2/0x170 [ 4317.485846][ T72] inet6_addr_add+0x12f/0xa40 [ 4317.485846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.485846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.485846][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.485846][ T72] netlink_unicast+0x449/0x710 [ 4317.485846][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.485846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.485846][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.485846][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.485846][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.485846][ T72] [ 4317.488095][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4317.488095][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4317.488095][ T72] ipv6_find_idev+0x102/0x170 [ 4317.488095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.488095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.488095][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.488095][ T72] netlink_unicast+0x449/0x710 [ 4317.488095][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.488095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.488095][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.488095][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.488095][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.488095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.488095][ T72] [ 4317.489888][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4317.489888][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4317.489888][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4317.489888][ T72] ipv6_find_idev+0x102/0x170 [ 4317.489888][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.489888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.489888][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.489888][ T72] netlink_unicast+0x449/0x710 [ 4317.489888][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.489888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.489888][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.489888][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.489888][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.489888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.489888][ T72] [ 4317.491749][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4317.492056][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4317.492056][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.492056][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.492056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.492056][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4317.492056][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4317.492056][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4317.492056][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4317.492056][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4317.492056][ T72] addrconf_dad_begin+0x310/0x670 [ 4317.492056][ T72] addrconf_dad_work+0x10b/0xab0 [ 4317.492056][ T72] process_one_work+0x84d/0x18a0 [ 4317.492056][ T72] worker_thread+0x587/0xd30 [ 4317.492056][ T72] kthread+0x28a/0x350 [ 4317.492056][ T72] ret_from_fork+0x31/0x70 [ 4317.492056][ T72] ret_from_fork_asm+0x1a/0x30 [ 4317.492056][ T72] [ 4317.494232][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4317.494232][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.494232][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.494232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.494232][ T72] ip6_route_add+0x1c/0x140 [ 4317.494232][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4317.494232][ T72] inet6_addr_add+0x4f8/0xa40 [ 4317.494232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.494232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.494232][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.494232][ T72] netlink_unicast+0x449/0x710 [ 4317.494232][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.494232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.494232][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.494232][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.494232][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.494232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.494232][ T72] [ 4317.496468][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4317.496468][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.496468][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.496468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.496468][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4317.496468][ T72] ipv6_add_addr+0x411/0x2000 [ 4317.496468][ T72] inet6_addr_add+0x30e/0xa40 [ 4317.496468][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.496468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.496468][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.496468][ T72] netlink_unicast+0x449/0x710 [ 4317.496468][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.496468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.496468][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.496468][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.496468][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.496468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.496468][ T72] [ 4317.498735][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4317.498735][ T72] netdev_get_by_index+0x5e/0x80 [ 4317.498735][ T72] fib6_nh_init+0x3d8/0x1580 [ 4317.498735][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4317.498735][ T72] ip6_route_add+0x1c/0x140 [ 4317.498735][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4317.498735][ T72] addrconf_add_dev+0xe2/0x170 [ 4317.498735][ T72] inet6_addr_add+0x12f/0xa40 [ 4317.498735][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.498735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.498735][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.498735][ T72] netlink_unicast+0x449/0x710 [ 4317.498735][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.498735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.498735][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.498735][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.498735][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.498735][ T72] [ 4317.500904][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4317.500904][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4317.500904][ T72] ipv6_find_idev+0x102/0x170 [ 4317.500904][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.500904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.500904][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.500904][ T72] netlink_unicast+0x449/0x710 [ 4317.500904][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.500904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.500904][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.500904][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.500904][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.500904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.500904][ T72] [ 4317.502620][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4317.502620][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4317.502620][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4317.502620][ T72] ipv6_find_idev+0x102/0x170 [ 4317.502620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.502620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.502620][ T72] netlink_rcv_skb+0x130/0x360 [ 4317.502620][ T72] netlink_unicast+0x449/0x710 [ 4317.502620][ T72] netlink_sendmsg+0x723/0xbe0 [ 4317.502620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4317.502620][ T72] ___sys_sendmsg+0xee/0x170 [ 4317.502620][ T72] __sys_sendmsg+0xcd/0x170 [ 4317.502620][ T72] do_syscall_64+0xc6/0x1e0 [ 4317.502620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.502620][ T72] [ 4327.752987][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4327.753745][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4327.753745][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4327.753745][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4327.753745][ T72] fib6_nh_init+0xa22/0x1580 [ 4327.753745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.753745][ T72] ip6_route_add+0x1c/0x140 [ 4327.753745][ T72] inet6_rtm_newroute+0x104/0x110 [ 4327.753745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.753745][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.753745][ T72] netlink_unicast+0x449/0x710 [ 4327.753745][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.753745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.753745][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.753745][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.753745][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.753745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.753745][ T72] [ 4327.755545][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4327.755545][ T72] dst_init+0x84/0x4a0 [ 4327.755545][ T72] dst_alloc+0x97/0x150 [ 4327.755545][ T72] ip6_dst_alloc+0x23/0x90 [ 4327.755545][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4327.755545][ T72] ip6_pol_route+0x56f/0x840 [ 4327.755545][ T72] fib6_rule_lookup+0x456/0x630 [ 4327.755545][ T72] ip6_route_input+0x59c/0xa50 [ 4327.755545][ T72] ipv6_rcv+0x397/0x810 [ 4327.755545][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4327.755545][ T72] process_backlog+0x101/0x620 [ 4327.755545][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4327.755545][ T72] net_rx_action+0x495/0xbe0 [ 4327.755545][ T72] __do_softirq+0x1b5/0x7f6 [ 4327.755545][ T72] [ 4327.757112][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4327.757112][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.757112][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.757112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.757112][ T72] ip6_route_add+0x1c/0x140 [ 4327.757112][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4327.757112][ T72] inet6_addr_add+0x4f8/0xa40 [ 4327.757112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.757112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.757112][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.757112][ T72] netlink_unicast+0x449/0x710 [ 4327.757112][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.757112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.757112][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.757112][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.757112][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.757112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.757112][ T72] [ 4327.759170][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4327.759170][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.759170][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.759170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.759170][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4327.759170][ T72] ipv6_add_addr+0x411/0x2000 [ 4327.759170][ T72] inet6_addr_add+0x30e/0xa40 [ 4327.759170][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.759170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.759170][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.759170][ T72] netlink_unicast+0x449/0x710 [ 4327.759170][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.759170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.759170][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.759170][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.759170][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.759170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.759170][ T72] [ 4327.761103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4327.761103][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.761103][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.761103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.761103][ T72] ip6_route_add+0x1c/0x140 [ 4327.761103][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4327.761103][ T72] addrconf_add_dev+0xe2/0x170 [ 4327.761103][ T72] inet6_addr_add+0x12f/0xa40 [ 4327.761103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.761103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.761103][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.761103][ T72] netlink_unicast+0x449/0x710 [ 4327.761103][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.761103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.761103][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.761103][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.761103][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.761103][ T72] [ 4327.763118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4327.763118][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4327.763118][ T72] ipv6_find_idev+0x102/0x170 [ 4327.763118][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.763118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.763118][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.763118][ T72] netlink_unicast+0x449/0x710 [ 4327.763118][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.763118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.763118][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.763118][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.763118][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.763118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.763118][ T72] [ 4327.764662][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4327.764662][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4327.764662][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4327.764662][ T72] ipv6_find_idev+0x102/0x170 [ 4327.764662][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.764662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.764662][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.764662][ T72] netlink_unicast+0x449/0x710 [ 4327.764662][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.764662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.764662][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.764662][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.764662][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.764662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.764662][ T72] [ 4327.766380][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4327.766648][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4327.766648][ T72] dst_init+0x84/0x4a0 [ 4327.766648][ T72] dst_alloc+0x97/0x150 [ 4327.766648][ T72] ip6_dst_alloc+0x23/0x90 [ 4327.766648][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4327.766648][ T72] ip6_pol_route+0x56f/0x840 [ 4327.766648][ T72] fib6_rule_lookup+0x456/0x630 [ 4327.766648][ T72] ip6_route_input+0x59c/0xa50 [ 4327.766648][ T72] ipv6_rcv+0x397/0x810 [ 4327.766648][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4327.766648][ T72] process_backlog+0x101/0x620 [ 4327.766648][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4327.766648][ T72] net_rx_action+0x495/0xbe0 [ 4327.766648][ T72] __do_softirq+0x1b5/0x7f6 [ 4327.766648][ T72] [ 4327.768305][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4327.768305][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.768305][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.768305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.768305][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4327.768305][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4327.768305][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4327.768305][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4327.768305][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4327.768305][ T72] addrconf_dad_begin+0x310/0x670 [ 4327.768305][ T72] addrconf_dad_work+0x10b/0xab0 [ 4327.768305][ T72] process_one_work+0x84d/0x18a0 [ 4327.768305][ T72] worker_thread+0x587/0xd30 [ 4327.768305][ T72] kthread+0x28a/0x350 [ 4327.768305][ T72] ret_from_fork+0x31/0x70 [ 4327.768305][ T72] ret_from_fork_asm+0x1a/0x30 [ 4327.768305][ T72] [ 4327.770216][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4327.770216][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.770216][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.770216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.770216][ T72] ip6_route_add+0x1c/0x140 [ 4327.770216][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4327.770216][ T72] inet6_addr_add+0x4f8/0xa40 [ 4327.770216][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.770216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.770216][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.770216][ T72] netlink_unicast+0x449/0x710 [ 4327.770216][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.770216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.770216][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.770216][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.770216][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.770216][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.770216][ T72] [ 4327.772209][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4327.772209][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.772209][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.772209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.772209][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4327.772209][ T72] ipv6_add_addr+0x411/0x2000 [ 4327.772209][ T72] inet6_addr_add+0x30e/0xa40 [ 4327.772209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.772209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.772209][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.772209][ T72] netlink_unicast+0x449/0x710 [ 4327.772209][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.772209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.772209][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.772209][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.772209][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.772209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.772209][ T72] [ 4327.774271][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4327.774271][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.774271][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.774271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.774271][ T72] ip6_route_add+0x1c/0x140 [ 4327.774271][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4327.774271][ T72] addrconf_add_dev+0xe2/0x170 [ 4327.774271][ T72] inet6_addr_add+0x12f/0xa40 [ 4327.774271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.774271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.774271][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.774271][ T72] netlink_unicast+0x449/0x710 [ 4327.774271][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.774271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.774271][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.774271][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.774271][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.774271][ T72] [ 4327.776195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4327.776195][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4327.776195][ T72] ipv6_find_idev+0x102/0x170 [ 4327.776195][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.776195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.776195][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.776195][ T72] netlink_unicast+0x449/0x710 [ 4327.776195][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.776195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.776195][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.776195][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.776195][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.776195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.776195][ T72] [ 4327.777766][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4327.777766][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4327.777766][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4327.777766][ T72] ipv6_find_idev+0x102/0x170 [ 4327.777766][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.777766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.777766][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.777766][ T72] netlink_unicast+0x449/0x710 [ 4327.777766][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.777766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.777766][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.777766][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.777766][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.777766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.777766][ T72] [ 4327.779604][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4327.779935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4327.779935][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4327.779935][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4327.779935][ T72] fib6_nh_init+0xa22/0x1580 [ 4327.779935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.779935][ T72] ip6_route_add+0x1c/0x140 [ 4327.779935][ T72] inet6_rtm_newroute+0x104/0x110 [ 4327.779935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.779935][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.779935][ T72] netlink_unicast+0x449/0x710 [ 4327.779935][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.779935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.779935][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.779935][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.779935][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.779935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.779935][ T72] [ 4327.782014][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4327.782014][ T72] dst_init+0x84/0x4a0 [ 4327.782014][ T72] dst_alloc+0x97/0x150 [ 4327.782014][ T72] ip6_dst_alloc+0x23/0x90 [ 4327.782014][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4327.782014][ T72] ip6_pol_route+0x56f/0x840 [ 4327.782014][ T72] fib6_rule_lookup+0x456/0x630 [ 4327.782014][ T72] ip6_route_input+0x59c/0xa50 [ 4327.782014][ T72] ipv6_rcv+0x397/0x810 [ 4327.782014][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4327.782014][ T72] process_backlog+0x101/0x620 [ 4327.782014][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4327.782014][ T72] net_rx_action+0x495/0xbe0 [ 4327.782014][ T72] __do_softirq+0x1b5/0x7f6 [ 4327.782014][ T72] [ 4327.783836][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4327.783836][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.783836][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.783836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.783836][ T72] ip6_route_add+0x1c/0x140 [ 4327.783836][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4327.783836][ T72] inet6_addr_add+0x4f8/0xa40 [ 4327.783836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.783836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.783836][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.783836][ T72] netlink_unicast+0x449/0x710 [ 4327.783836][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.783836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.783836][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.783836][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.783836][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.783836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.783836][ T72] [ 4327.786085][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4327.786085][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.786085][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.786085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.786085][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4327.786085][ T72] ipv6_add_addr+0x411/0x2000 [ 4327.786085][ T72] inet6_addr_add+0x30e/0xa40 [ 4327.786085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.786085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.786085][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.786085][ T72] netlink_unicast+0x449/0x710 [ 4327.786085][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.786085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.786085][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.786085][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.786085][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.786085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.786085][ T72] [ 4327.788303][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4327.788303][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.788303][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.788303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.788303][ T72] ip6_route_add+0x1c/0x140 [ 4327.788303][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4327.788303][ T72] addrconf_add_dev+0xe2/0x170 [ 4327.788303][ T72] inet6_addr_add+0x12f/0xa40 [ 4327.788303][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.788303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.788303][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.788303][ T72] netlink_unicast+0x449/0x710 [ 4327.788303][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.788303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.788303][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.788303][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.788303][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.788303][ T72] [ 4327.790488][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4327.790488][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4327.790488][ T72] ipv6_find_idev+0x102/0x170 [ 4327.790488][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.790488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.790488][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.790488][ T72] netlink_unicast+0x449/0x710 [ 4327.790488][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.790488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.790488][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.790488][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.790488][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.790488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.790488][ T72] [ 4327.792226][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4327.792226][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4327.792226][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4327.792226][ T72] ipv6_find_idev+0x102/0x170 [ 4327.792226][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.792226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.792226][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.792226][ T72] netlink_unicast+0x449/0x710 [ 4327.792226][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.792226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.792226][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.792226][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.792226][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.792226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.792226][ T72] [ 4327.794135][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4327.794417][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4327.794417][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.794417][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.794417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.794417][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4327.794417][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4327.794417][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4327.794417][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4327.794417][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4327.794417][ T72] addrconf_dad_begin+0x310/0x670 [ 4327.794417][ T72] addrconf_dad_work+0x10b/0xab0 [ 4327.794417][ T72] process_one_work+0x84d/0x18a0 [ 4327.794417][ T72] worker_thread+0x587/0xd30 [ 4327.794417][ T72] kthread+0x28a/0x350 [ 4327.794417][ T72] ret_from_fork+0x31/0x70 [ 4327.794417][ T72] ret_from_fork_asm+0x1a/0x30 [ 4327.794417][ T72] [ 4327.796615][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4327.796615][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.796615][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.796615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.796615][ T72] ip6_route_add+0x1c/0x140 [ 4327.796615][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4327.796615][ T72] inet6_addr_add+0x4f8/0xa40 [ 4327.796615][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.796615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.796615][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.796615][ T72] netlink_unicast+0x449/0x710 [ 4327.796615][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.796615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.796615][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.796615][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.796615][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.796615][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.796615][ T72] [ 4327.798873][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4327.798873][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.798873][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.798873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.798873][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4327.798873][ T72] ipv6_add_addr+0x411/0x2000 [ 4327.798873][ T72] inet6_addr_add+0x30e/0xa40 [ 4327.798873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.798873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.798873][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.798873][ T72] netlink_unicast+0x449/0x710 [ 4327.798873][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.798873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.798873][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.798873][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.798873][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.798873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.798873][ T72] [ 4327.801125][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4327.801125][ T72] netdev_get_by_index+0x5e/0x80 [ 4327.801125][ T72] fib6_nh_init+0x3d8/0x1580 [ 4327.801125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4327.801125][ T72] ip6_route_add+0x1c/0x140 [ 4327.801125][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4327.801125][ T72] addrconf_add_dev+0xe2/0x170 [ 4327.801125][ T72] inet6_addr_add+0x12f/0xa40 [ 4327.801125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.801125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.801125][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.801125][ T72] netlink_unicast+0x449/0x710 [ 4327.801125][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.801125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.801125][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.801125][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.801125][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.801125][ T72] [ 4327.803260][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4327.803260][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4327.803260][ T72] ipv6_find_idev+0x102/0x170 [ 4327.803260][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.803260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.803260][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.803260][ T72] netlink_unicast+0x449/0x710 [ 4327.803260][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.803260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.803260][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.803260][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.803260][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.803260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.803260][ T72] [ 4327.805053][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4327.805053][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4327.805053][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4327.805053][ T72] ipv6_find_idev+0x102/0x170 [ 4327.805053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.805053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.805053][ T72] netlink_rcv_skb+0x130/0x360 [ 4327.805053][ T72] netlink_unicast+0x449/0x710 [ 4327.805053][ T72] netlink_sendmsg+0x723/0xbe0 [ 4327.805053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4327.805053][ T72] ___sys_sendmsg+0xee/0x170 [ 4327.805053][ T72] __sys_sendmsg+0xcd/0x170 [ 4327.805053][ T72] do_syscall_64+0xc6/0x1e0 [ 4327.805053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.805053][ T72] [ 4337.808989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4337.809749][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4337.809749][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4337.809749][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4337.809749][ T72] fib6_nh_init+0xa22/0x1580 [ 4337.809749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.809749][ T72] ip6_route_add+0x1c/0x140 [ 4337.809749][ T72] inet6_rtm_newroute+0x104/0x110 [ 4337.809749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.809749][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.809749][ T72] netlink_unicast+0x449/0x710 [ 4337.809749][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.809749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.809749][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.809749][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.809749][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.809749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.809749][ T72] [ 4337.811648][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4337.811648][ T72] dst_init+0x84/0x4a0 [ 4337.811648][ T72] dst_alloc+0x97/0x150 [ 4337.811648][ T72] ip6_dst_alloc+0x23/0x90 [ 4337.811648][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4337.811648][ T72] ip6_pol_route+0x56f/0x840 [ 4337.811648][ T72] fib6_rule_lookup+0x456/0x630 [ 4337.811648][ T72] ip6_route_input+0x59c/0xa50 [ 4337.811648][ T72] ipv6_rcv+0x397/0x810 [ 4337.811648][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4337.811648][ T72] process_backlog+0x101/0x620 [ 4337.811648][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4337.811648][ T72] net_rx_action+0x495/0xbe0 [ 4337.811648][ T72] __do_softirq+0x1b5/0x7f6 [ 4337.811648][ T72] [ 4337.813287][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4337.813287][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.813287][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.813287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.813287][ T72] ip6_route_add+0x1c/0x140 [ 4337.813287][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4337.813287][ T72] inet6_addr_add+0x4f8/0xa40 [ 4337.813287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.813287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.813287][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.813287][ T72] netlink_unicast+0x449/0x710 [ 4337.813287][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.813287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.813287][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.813287][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.813287][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.813287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.813287][ T72] [ 4337.815206][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4337.815206][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.815206][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.815206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.815206][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4337.815206][ T72] ipv6_add_addr+0x411/0x2000 [ 4337.815206][ T72] inet6_addr_add+0x30e/0xa40 [ 4337.815206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.815206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.815206][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.815206][ T72] netlink_unicast+0x449/0x710 [ 4337.815206][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.815206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.815206][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.815206][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.815206][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.815206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.815206][ T72] [ 4337.817084][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4337.817084][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.817084][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.817084][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.817084][ T72] ip6_route_add+0x1c/0x140 [ 4337.817084][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4337.817084][ T72] addrconf_add_dev+0xe2/0x170 [ 4337.817084][ T72] inet6_addr_add+0x12f/0xa40 [ 4337.817084][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.817084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.817084][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.817084][ T72] netlink_unicast+0x449/0x710 [ 4337.817084][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.817084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.817084][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.817084][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.817084][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.817084][ T72] [ 4337.819074][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4337.819074][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4337.819074][ T72] ipv6_find_idev+0x102/0x170 [ 4337.819074][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.819074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.819074][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.819074][ T72] netlink_unicast+0x449/0x710 [ 4337.819074][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.819074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.819074][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.819074][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.819074][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.819074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.819074][ T72] [ 4337.820586][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4337.820586][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4337.820586][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4337.820586][ T72] ipv6_find_idev+0x102/0x170 [ 4337.820586][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.820586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.820586][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.820586][ T72] netlink_unicast+0x449/0x710 [ 4337.820586][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.820586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.820586][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.820586][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.820586][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.820586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.820586][ T72] [ 4337.822309][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4337.822589][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4337.822589][ T72] dst_init+0x84/0x4a0 [ 4337.822589][ T72] dst_alloc+0x97/0x150 [ 4337.822589][ T72] ip6_dst_alloc+0x23/0x90 [ 4337.822589][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4337.822589][ T72] ip6_pol_route+0x56f/0x840 [ 4337.822589][ T72] fib6_rule_lookup+0x456/0x630 [ 4337.822589][ T72] ip6_route_input+0x59c/0xa50 [ 4337.822589][ T72] ipv6_rcv+0x397/0x810 [ 4337.822589][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4337.822589][ T72] process_backlog+0x101/0x620 [ 4337.822589][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4337.822589][ T72] net_rx_action+0x495/0xbe0 [ 4337.822589][ T72] __do_softirq+0x1b5/0x7f6 [ 4337.822589][ T72] [ 4337.824228][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4337.824228][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.824228][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.824228][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.824228][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4337.824228][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4337.824228][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4337.824228][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4337.824228][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4337.824228][ T72] addrconf_dad_begin+0x310/0x670 [ 4337.824228][ T72] addrconf_dad_work+0x10b/0xab0 [ 4337.824228][ T72] process_one_work+0x84d/0x18a0 [ 4337.824228][ T72] worker_thread+0x587/0xd30 [ 4337.824228][ T72] kthread+0x28a/0x350 [ 4337.824228][ T72] ret_from_fork+0x31/0x70 [ 4337.824228][ T72] ret_from_fork_asm+0x1a/0x30 [ 4337.824228][ T72] [ 4337.826094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4337.826094][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.826094][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.826094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.826094][ T72] ip6_route_add+0x1c/0x140 [ 4337.826094][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4337.826094][ T72] inet6_addr_add+0x4f8/0xa40 [ 4337.826094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.826094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.826094][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.826094][ T72] netlink_unicast+0x449/0x710 [ 4337.826094][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.826094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.826094][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.826094][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.826094][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.826094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.826094][ T72] [ 4337.828135][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4337.828135][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.828135][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.828135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.828135][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4337.828135][ T72] ipv6_add_addr+0x411/0x2000 [ 4337.828135][ T72] inet6_addr_add+0x30e/0xa40 [ 4337.828135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.828135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.828135][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.828135][ T72] netlink_unicast+0x449/0x710 [ 4337.828135][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.828135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.828135][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.828135][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.828135][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.828135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.828135][ T72] [ 4337.830116][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4337.830116][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.830116][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.830116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.830116][ T72] ip6_route_add+0x1c/0x140 [ 4337.830116][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4337.830116][ T72] addrconf_add_dev+0xe2/0x170 [ 4337.830116][ T72] inet6_addr_add+0x12f/0xa40 [ 4337.830116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.830116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.830116][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.830116][ T72] netlink_unicast+0x449/0x710 [ 4337.830116][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.830116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.830116][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.830116][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.830116][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.830116][ T72] [ 4337.832076][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4337.832076][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4337.832076][ T72] ipv6_find_idev+0x102/0x170 [ 4337.832076][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.832076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.832076][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.832076][ T72] netlink_unicast+0x449/0x710 [ 4337.832076][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.832076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.832076][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.832076][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.832076][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.832076][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.832076][ T72] [ 4337.833583][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4337.833583][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4337.833583][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4337.833583][ T72] ipv6_find_idev+0x102/0x170 [ 4337.833583][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.833583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.833583][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.833583][ T72] netlink_unicast+0x449/0x710 [ 4337.833583][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.833583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.833583][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.833583][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.833583][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.833583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.833583][ T72] [ 4337.835327][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4337.835651][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4337.835651][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4337.835651][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4337.835651][ T72] fib6_nh_init+0xa22/0x1580 [ 4337.835651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.835651][ T72] ip6_route_add+0x1c/0x140 [ 4337.835651][ T72] inet6_rtm_newroute+0x104/0x110 [ 4337.835651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.835651][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.835651][ T72] netlink_unicast+0x449/0x710 [ 4337.835651][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.835651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.835651][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.835651][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.835651][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.835651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.835651][ T72] [ 4337.837764][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4337.837764][ T72] dst_init+0x84/0x4a0 [ 4337.837764][ T72] dst_alloc+0x97/0x150 [ 4337.837764][ T72] ip6_dst_alloc+0x23/0x90 [ 4337.837764][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4337.837764][ T72] ip6_pol_route+0x56f/0x840 [ 4337.837764][ T72] fib6_rule_lookup+0x456/0x630 [ 4337.837764][ T72] ip6_route_input+0x59c/0xa50 [ 4337.837764][ T72] ipv6_rcv+0x397/0x810 [ 4337.837764][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4337.837764][ T72] process_backlog+0x101/0x620 [ 4337.837764][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4337.837764][ T72] net_rx_action+0x495/0xbe0 [ 4337.837764][ T72] __do_softirq+0x1b5/0x7f6 [ 4337.837764][ T72] [ 4337.839628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4337.839628][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.839628][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.839628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.839628][ T72] ip6_route_add+0x1c/0x140 [ 4337.839628][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4337.839628][ T72] inet6_addr_add+0x4f8/0xa40 [ 4337.839628][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.839628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.839628][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.839628][ T72] netlink_unicast+0x449/0x710 [ 4337.839628][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.839628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.839628][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.839628][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.839628][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.839628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.839628][ T72] [ 4337.841863][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4337.841863][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.841863][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.841863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.841863][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4337.841863][ T72] ipv6_add_addr+0x411/0x2000 [ 4337.841863][ T72] inet6_addr_add+0x30e/0xa40 [ 4337.841863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.841863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.841863][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.841863][ T72] netlink_unicast+0x449/0x710 [ 4337.841863][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.841863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.841863][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.841863][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.841863][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.841863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.841863][ T72] [ 4337.844061][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4337.844061][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.844061][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.844061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.844061][ T72] ip6_route_add+0x1c/0x140 [ 4337.844061][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4337.844061][ T72] addrconf_add_dev+0xe2/0x170 [ 4337.844061][ T72] inet6_addr_add+0x12f/0xa40 [ 4337.844061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.844061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.844061][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.844061][ T72] netlink_unicast+0x449/0x710 [ 4337.844061][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.844061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.844061][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.844061][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.844061][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.844061][ T72] [ 4337.846824][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4337.846824][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4337.846824][ T72] ipv6_find_idev+0x102/0x170 [ 4337.846824][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.846824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.846824][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.846824][ T72] netlink_unicast+0x449/0x710 [ 4337.846824][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.846824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.846824][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.846824][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.846824][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.846824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.846824][ T72] [ 4337.848930][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4337.848930][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4337.848930][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4337.848930][ T72] ipv6_find_idev+0x102/0x170 [ 4337.848930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.848930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.848930][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.848930][ T72] netlink_unicast+0x449/0x710 [ 4337.848930][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.848930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.848930][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.848930][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.848930][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.848930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.848930][ T72] [ 4337.850812][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4337.851087][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4337.851087][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.851087][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.851087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.851087][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4337.851087][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4337.851087][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4337.851087][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4337.851087][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4337.851087][ T72] addrconf_dad_begin+0x310/0x670 [ 4337.851087][ T72] addrconf_dad_work+0x10b/0xab0 [ 4337.851087][ T72] process_one_work+0x84d/0x18a0 [ 4337.851087][ T72] worker_thread+0x587/0xd30 [ 4337.851087][ T72] kthread+0x28a/0x350 [ 4337.851087][ T72] ret_from_fork+0x31/0x70 [ 4337.851087][ T72] ret_from_fork_asm+0x1a/0x30 [ 4337.851087][ T72] [ 4337.853275][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4337.853275][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.853275][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.853275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.853275][ T72] ip6_route_add+0x1c/0x140 [ 4337.853275][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4337.853275][ T72] inet6_addr_add+0x4f8/0xa40 [ 4337.853275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.853275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.853275][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.853275][ T72] netlink_unicast+0x449/0x710 [ 4337.853275][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.853275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.853275][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.853275][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.853275][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.853275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.853275][ T72] [ 4337.855534][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4337.855534][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.855534][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.855534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.855534][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4337.855534][ T72] ipv6_add_addr+0x411/0x2000 [ 4337.855534][ T72] inet6_addr_add+0x30e/0xa40 [ 4337.855534][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.855534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.855534][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.855534][ T72] netlink_unicast+0x449/0x710 [ 4337.855534][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.855534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.855534][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.855534][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.855534][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.855534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.855534][ T72] [ 4337.857822][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4337.857822][ T72] netdev_get_by_index+0x5e/0x80 [ 4337.857822][ T72] fib6_nh_init+0x3d8/0x1580 [ 4337.857822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4337.857822][ T72] ip6_route_add+0x1c/0x140 [ 4337.857822][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4337.857822][ T72] addrconf_add_dev+0xe2/0x170 [ 4337.857822][ T72] inet6_addr_add+0x12f/0xa40 [ 4337.857822][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.857822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.857822][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.857822][ T72] netlink_unicast+0x449/0x710 [ 4337.857822][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.857822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.857822][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.857822][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.857822][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.857822][ T72] [ 4337.859980][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4337.859980][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4337.859980][ T72] ipv6_find_idev+0x102/0x170 [ 4337.859980][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.859980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.859980][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.859980][ T72] netlink_unicast+0x449/0x710 [ 4337.859980][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.859980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.859980][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.859980][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.859980][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.859980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.859980][ T72] [ 4337.861661][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4337.861661][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4337.861661][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4337.861661][ T72] ipv6_find_idev+0x102/0x170 [ 4337.861661][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.861661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.861661][ T72] netlink_rcv_skb+0x130/0x360 [ 4337.861661][ T72] netlink_unicast+0x449/0x710 [ 4337.861661][ T72] netlink_sendmsg+0x723/0xbe0 [ 4337.861661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4337.861661][ T72] ___sys_sendmsg+0xee/0x170 [ 4337.861661][ T72] __sys_sendmsg+0xcd/0x170 [ 4337.861661][ T72] do_syscall_64+0xc6/0x1e0 [ 4337.861661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.861661][ T72] [ 4348.105016][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4348.106130][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4348.106130][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4348.106130][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4348.106130][ T72] fib6_nh_init+0xa22/0x1580 [ 4348.106130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.106130][ T72] ip6_route_add+0x1c/0x140 [ 4348.106130][ T72] inet6_rtm_newroute+0x104/0x110 [ 4348.106130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.106130][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.106130][ T72] netlink_unicast+0x449/0x710 [ 4348.106130][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.106130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.106130][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.106130][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.106130][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.106130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.106130][ T72] [ 4348.108030][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4348.108030][ T72] dst_init+0x84/0x4a0 [ 4348.108030][ T72] dst_alloc+0x97/0x150 [ 4348.108030][ T72] ip6_dst_alloc+0x23/0x90 [ 4348.108030][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4348.108030][ T72] ip6_pol_route+0x56f/0x840 [ 4348.108030][ T72] fib6_rule_lookup+0x456/0x630 [ 4348.108030][ T72] ip6_route_input+0x59c/0xa50 [ 4348.108030][ T72] ipv6_rcv+0x397/0x810 [ 4348.108030][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4348.108030][ T72] process_backlog+0x101/0x620 [ 4348.108030][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4348.108030][ T72] net_rx_action+0x495/0xbe0 [ 4348.108030][ T72] __do_softirq+0x1b5/0x7f6 [ 4348.108030][ T72] [ 4348.109599][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4348.109599][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.109599][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.109599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.109599][ T72] ip6_route_add+0x1c/0x140 [ 4348.109599][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4348.109599][ T72] inet6_addr_add+0x4f8/0xa40 [ 4348.109599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.109599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.109599][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.109599][ T72] netlink_unicast+0x449/0x710 [ 4348.109599][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.109599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.109599][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.109599][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.109599][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.109599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.109599][ T72] [ 4348.111502][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4348.111502][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.111502][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.111502][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.111502][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4348.111502][ T72] ipv6_add_addr+0x411/0x2000 [ 4348.111502][ T72] inet6_addr_add+0x30e/0xa40 [ 4348.111502][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.111502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.111502][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.111502][ T72] netlink_unicast+0x449/0x710 [ 4348.111502][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.111502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.111502][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.111502][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.111502][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.111502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.111502][ T72] [ 4348.113559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4348.113559][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.113559][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.113559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.113559][ T72] ip6_route_add+0x1c/0x140 [ 4348.113559][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4348.113559][ T72] addrconf_add_dev+0xe2/0x170 [ 4348.113559][ T72] inet6_addr_add+0x12f/0xa40 [ 4348.113559][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.113559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.113559][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.113559][ T72] netlink_unicast+0x449/0x710 [ 4348.113559][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.113559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.113559][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.113559][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.113559][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.113559][ T72] [ 4348.115511][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4348.115511][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4348.115511][ T72] ipv6_find_idev+0x102/0x170 [ 4348.115511][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4348.115511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.115511][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.115511][ T72] netlink_unicast+0x449/0x710 [ 4348.115511][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.115511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.115511][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.115511][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.115511][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.115511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.115511][ T72] [ 4348.117062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4348.117062][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4348.117062][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4348.117062][ T72] ipv6_find_idev+0x102/0x170 [ 4348.117062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4348.117062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.117062][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.117062][ T72] netlink_unicast+0x449/0x710 [ 4348.117062][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.117062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.117062][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.117062][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.117062][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.117062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.117062][ T72] [ 4348.118774][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4348.119069][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4348.119069][ T72] dst_init+0x84/0x4a0 [ 4348.119069][ T72] dst_alloc+0x97/0x150 [ 4348.119069][ T72] ip6_dst_alloc+0x23/0x90 [ 4348.119069][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4348.119069][ T72] ip6_pol_route+0x56f/0x840 [ 4348.119069][ T72] fib6_rule_lookup+0x456/0x630 [ 4348.119069][ T72] ip6_route_input+0x59c/0xa50 [ 4348.119069][ T72] ipv6_rcv+0x397/0x810 [ 4348.119069][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4348.119069][ T72] process_backlog+0x101/0x620 [ 4348.119069][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4348.119069][ T72] net_rx_action+0x495/0xbe0 [ 4348.119069][ T72] __do_softirq+0x1b5/0x7f6 [ 4348.119069][ T72] [ 4348.120726][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4348.120726][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.120726][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.120726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.120726][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4348.120726][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4348.120726][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4348.120726][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4348.120726][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4348.120726][ T72] addrconf_dad_begin+0x310/0x670 [ 4348.120726][ T72] addrconf_dad_work+0x10b/0xab0 [ 4348.120726][ T72] process_one_work+0x84d/0x18a0 [ 4348.120726][ T72] worker_thread+0x587/0xd30 [ 4348.120726][ T72] kthread+0x28a/0x350 [ 4348.120726][ T72] ret_from_fork+0x31/0x70 [ 4348.120726][ T72] ret_from_fork_asm+0x1a/0x30 [ 4348.120726][ T72] [ 4348.122660][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4348.122660][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.122660][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.122660][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.122660][ T72] ip6_route_add+0x1c/0x140 [ 4348.122660][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4348.122660][ T72] inet6_addr_add+0x4f8/0xa40 [ 4348.122660][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.122660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.122660][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.122660][ T72] netlink_unicast+0x449/0x710 [ 4348.122660][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.122660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.122660][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.122660][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.122660][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.122660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.122660][ T72] [ 4348.124625][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4348.124625][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.124625][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.124625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.124625][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4348.124625][ T72] ipv6_add_addr+0x411/0x2000 [ 4348.124625][ T72] inet6_addr_add+0x30e/0xa40 [ 4348.124625][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.124625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.124625][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.124625][ T72] netlink_unicast+0x449/0x710 [ 4348.124625][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.124625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.124625][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.124625][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.124625][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.124625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.124625][ T72] [ 4348.126636][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4348.126636][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.126636][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.126636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.126636][ T72] ip6_route_add+0x1c/0x140 [ 4348.126636][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4348.126636][ T72] addrconf_add_dev+0xe2/0x170 [ 4348.126636][ T72] inet6_addr_add+0x12f/0xa40 [ 4348.126636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.126636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.126636][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.126636][ T72] netlink_unicast+0x449/0x710 [ 4348.126636][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.126636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.126636][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.126636][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.126636][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.126636][ T72] [ 4348.128604][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4348.128604][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4348.128604][ T72] ipv6_find_idev+0x102/0x170 [ 4348.128604][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4348.128604][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.128604][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.128604][ T72] netlink_unicast+0x449/0x710 [ 4348.128604][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.128604][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.128604][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.128604][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.128604][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.128604][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.128604][ T72] [ 4348.130178][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4348.130178][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4348.130178][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4348.130178][ T72] ipv6_find_idev+0x102/0x170 [ 4348.130178][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4348.130178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.130178][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.130178][ T72] netlink_unicast+0x449/0x710 [ 4348.130178][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.130178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.130178][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.130178][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.130178][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.130178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.130178][ T72] [ 4348.131988][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4348.132258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4348.132258][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4348.132258][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4348.132258][ T72] fib6_nh_init+0xa22/0x1580 [ 4348.132258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.132258][ T72] ip6_route_add+0x1c/0x140 [ 4348.132258][ T72] inet6_rtm_newroute+0x104/0x110 [ 4348.132258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.132258][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.132258][ T72] netlink_unicast+0x449/0x710 [ 4348.132258][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.132258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.132258][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.132258][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.132258][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.132258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.132258][ T72] [ 4348.134305][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4348.134305][ T72] dst_init+0x84/0x4a0 [ 4348.134305][ T72] dst_alloc+0x97/0x150 [ 4348.134305][ T72] ip6_dst_alloc+0x23/0x90 [ 4348.134305][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4348.134305][ T72] ip6_pol_route+0x56f/0x840 [ 4348.134305][ T72] fib6_rule_lookup+0x456/0x630 [ 4348.134305][ T72] ip6_route_input+0x59c/0xa50 [ 4348.134305][ T72] ipv6_rcv+0x397/0x810 [ 4348.134305][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4348.134305][ T72] process_backlog+0x101/0x620 [ 4348.134305][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4348.134305][ T72] net_rx_action+0x495/0xbe0 [ 4348.134305][ T72] __do_softirq+0x1b5/0x7f6 [ 4348.134305][ T72] [ 4348.136106][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4348.136106][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.136106][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.136106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.136106][ T72] ip6_route_add+0x1c/0x140 [ 4348.136106][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4348.136106][ T72] inet6_addr_add+0x4f8/0xa40 [ 4348.136106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.136106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.136106][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.136106][ T72] netlink_unicast+0x449/0x710 [ 4348.136106][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.136106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.136106][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.136106][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.136106][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.136106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.136106][ T72] [ 4348.138247][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4348.138247][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.138247][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.138247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.138247][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4348.138247][ T72] ipv6_add_addr+0x411/0x2000 [ 4348.138247][ T72] inet6_addr_add+0x30e/0xa40 [ 4348.138247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.138247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.138247][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.138247][ T72] netlink_unicast+0x449/0x710 [ 4348.138247][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.138247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.138247][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.138247][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.138247][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.138247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.138247][ T72] [ 4348.140390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4348.140390][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.140390][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.140390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.140390][ T72] ip6_route_add+0x1c/0x140 [ 4348.140390][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4348.140390][ T72] addrconf_add_dev+0xe2/0x170 [ 4348.140390][ T72] inet6_addr_add+0x12f/0xa40 [ 4348.140390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.140390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.140390][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.140390][ T72] netlink_unicast+0x449/0x710 [ 4348.140390][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.140390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.140390][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.140390][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.140390][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.140390][ T72] [ 4348.142499][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4348.142499][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4348.142499][ T72] ipv6_find_idev+0x102/0x170 [ 4348.142499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4348.142499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.142499][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.142499][ T72] netlink_unicast+0x449/0x710 [ 4348.142499][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.142499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.142499][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.142499][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.142499][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.142499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.142499][ T72] [ 4348.144142][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4348.144142][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4348.144142][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4348.144142][ T72] ipv6_find_idev+0x102/0x170 [ 4348.144142][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4348.144142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.144142][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.144142][ T72] netlink_unicast+0x449/0x710 [ 4348.144142][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.144142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.144142][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.144142][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.144142][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.144142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.144142][ T72] [ 4348.146000][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4348.146291][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4348.146291][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.146291][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.146291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.146291][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4348.146291][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4348.146291][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4348.146291][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4348.146291][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4348.146291][ T72] addrconf_dad_begin+0x310/0x670 [ 4348.146291][ T72] addrconf_dad_work+0x10b/0xab0 [ 4348.146291][ T72] process_one_work+0x84d/0x18a0 [ 4348.146291][ T72] worker_thread+0x587/0xd30 [ 4348.146291][ T72] kthread+0x28a/0x350 [ 4348.146291][ T72] ret_from_fork+0x31/0x70 [ 4348.146291][ T72] ret_from_fork_asm+0x1a/0x30 [ 4348.146291][ T72] [ 4348.148394][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4348.148394][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.148394][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.148394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.148394][ T72] ip6_route_add+0x1c/0x140 [ 4348.148394][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4348.148394][ T72] inet6_addr_add+0x4f8/0xa40 [ 4348.148394][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.148394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.148394][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.148394][ T72] netlink_unicast+0x449/0x710 [ 4348.148394][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.148394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.148394][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.148394][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.148394][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.148394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.148394][ T72] [ 4348.150467][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4348.150467][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.150467][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.150467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.150467][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4348.150467][ T72] ipv6_add_addr+0x411/0x2000 [ 4348.150467][ T72] inet6_addr_add+0x30e/0xa40 [ 4348.150467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.150467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.150467][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.150467][ T72] netlink_unicast+0x449/0x710 [ 4348.150467][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.150467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.150467][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.150467][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.150467][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.150467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.150467][ T72] [ 4348.152616][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4348.152616][ T72] netdev_get_by_index+0x5e/0x80 [ 4348.152616][ T72] fib6_nh_init+0x3d8/0x1580 [ 4348.152616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4348.152616][ T72] ip6_route_add+0x1c/0x140 [ 4348.152616][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4348.152616][ T72] addrconf_add_dev+0xe2/0x170 [ 4348.152616][ T72] inet6_addr_add+0x12f/0xa40 [ 4348.152616][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4348.152616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.152616][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.152616][ T72] netlink_unicast+0x449/0x710 [ 4348.152616][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.152616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.152616][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.152616][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.152616][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.152616][ T72] [ 4348.154719][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4348.154719][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4348.154719][ T72] ipv6_find_idev+0x102/0x170 [ 4348.154719][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4348.154719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.154719][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.154719][ T72] netlink_unicast+0x449/0x710 [ 4348.154719][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.154719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.154719][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.154719][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.154719][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.154719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.154719][ T72] [ 4348.156371][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4348.156371][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4348.156371][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4348.156371][ T72] ipv6_find_idev+0x102/0x170 [ 4348.156371][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4348.156371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4348.156371][ T72] netlink_rcv_skb+0x130/0x360 [ 4348.156371][ T72] netlink_unicast+0x449/0x710 [ 4348.156371][ T72] netlink_sendmsg+0x723/0xbe0 [ 4348.156371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4348.156371][ T72] ___sys_sendmsg+0xee/0x170 [ 4348.156371][ T72] __sys_sendmsg+0xcd/0x170 [ 4348.156371][ T72] do_syscall_64+0xc6/0x1e0 [ 4348.156371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4348.156371][ T72] [ 4358.400929][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4358.401420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4358.401420][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4358.401420][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4358.401420][ T72] fib6_nh_init+0xa22/0x1580 [ 4358.401420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.401420][ T72] ip6_route_add+0x1c/0x140 [ 4358.401420][ T72] inet6_rtm_newroute+0x104/0x110 [ 4358.401420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.401420][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.401420][ T72] netlink_unicast+0x449/0x710 [ 4358.401420][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.401420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.401420][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.401420][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.401420][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.401420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.401420][ T72] [ 4358.403361][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4358.403361][ T72] dst_init+0x84/0x4a0 [ 4358.403361][ T72] dst_alloc+0x97/0x150 [ 4358.403361][ T72] ip6_dst_alloc+0x23/0x90 [ 4358.403361][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4358.403361][ T72] ip6_pol_route+0x56f/0x840 [ 4358.403361][ T72] fib6_rule_lookup+0x456/0x630 [ 4358.403361][ T72] ip6_route_input+0x59c/0xa50 [ 4358.403361][ T72] ipv6_rcv+0x397/0x810 [ 4358.403361][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4358.403361][ T72] process_backlog+0x101/0x620 [ 4358.403361][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4358.403361][ T72] net_rx_action+0x495/0xbe0 [ 4358.403361][ T72] __do_softirq+0x1b5/0x7f6 [ 4358.403361][ T72] [ 4358.405028][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4358.405028][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.405028][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.405028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.405028][ T72] ip6_route_add+0x1c/0x140 [ 4358.405028][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4358.405028][ T72] inet6_addr_add+0x4f8/0xa40 [ 4358.405028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.405028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.405028][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.405028][ T72] netlink_unicast+0x449/0x710 [ 4358.405028][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.405028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.405028][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.405028][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.405028][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.405028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.405028][ T72] [ 4358.407066][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4358.407066][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.407066][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.407066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.407066][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4358.407066][ T72] ipv6_add_addr+0x411/0x2000 [ 4358.407066][ T72] inet6_addr_add+0x30e/0xa40 [ 4358.407066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.407066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.407066][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.407066][ T72] netlink_unicast+0x449/0x710 [ 4358.407066][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.407066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.407066][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.407066][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.407066][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.407066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.407066][ T72] [ 4358.409056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4358.409056][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.409056][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.409056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.409056][ T72] ip6_route_add+0x1c/0x140 [ 4358.409056][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4358.409056][ T72] addrconf_add_dev+0xe2/0x170 [ 4358.409056][ T72] inet6_addr_add+0x12f/0xa40 [ 4358.409056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.409056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.409056][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.409056][ T72] netlink_unicast+0x449/0x710 [ 4358.409056][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.409056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.409056][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.409056][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.409056][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.409056][ T72] [ 4358.411036][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4358.411036][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4358.411036][ T72] ipv6_find_idev+0x102/0x170 [ 4358.411036][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.411036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.411036][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.411036][ T72] netlink_unicast+0x449/0x710 [ 4358.411036][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.411036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.411036][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.411036][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.411036][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.411036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.411036][ T72] [ 4358.412594][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4358.412594][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4358.412594][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4358.412594][ T72] ipv6_find_idev+0x102/0x170 [ 4358.412594][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.412594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.412594][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.412594][ T72] netlink_unicast+0x449/0x710 [ 4358.412594][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.412594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.412594][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.412594][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.412594][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.412594][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.412594][ T72] [ 4358.414297][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4358.414570][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4358.414570][ T72] dst_init+0x84/0x4a0 [ 4358.414570][ T72] dst_alloc+0x97/0x150 [ 4358.414570][ T72] ip6_dst_alloc+0x23/0x90 [ 4358.414570][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4358.414570][ T72] ip6_pol_route+0x56f/0x840 [ 4358.414570][ T72] fib6_rule_lookup+0x456/0x630 [ 4358.414570][ T72] ip6_route_input+0x59c/0xa50 [ 4358.414570][ T72] ipv6_rcv+0x397/0x810 [ 4358.414570][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4358.414570][ T72] process_backlog+0x101/0x620 [ 4358.414570][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4358.414570][ T72] net_rx_action+0x495/0xbe0 [ 4358.414570][ T72] __do_softirq+0x1b5/0x7f6 [ 4358.414570][ T72] [ 4358.416254][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4358.416254][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.416254][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.416254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.416254][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4358.416254][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4358.416254][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4358.416254][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4358.416254][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4358.416254][ T72] addrconf_dad_begin+0x310/0x670 [ 4358.416254][ T72] addrconf_dad_work+0x10b/0xab0 [ 4358.416254][ T72] process_one_work+0x84d/0x18a0 [ 4358.416254][ T72] worker_thread+0x587/0xd30 [ 4358.416254][ T72] kthread+0x28a/0x350 [ 4358.416254][ T72] ret_from_fork+0x31/0x70 [ 4358.416254][ T72] ret_from_fork_asm+0x1a/0x30 [ 4358.416254][ T72] [ 4358.418207][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4358.418207][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.418207][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.418207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.418207][ T72] ip6_route_add+0x1c/0x140 [ 4358.418207][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4358.418207][ T72] inet6_addr_add+0x4f8/0xa40 [ 4358.418207][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.418207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.418207][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.418207][ T72] netlink_unicast+0x449/0x710 [ 4358.418207][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.418207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.418207][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.418207][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.418207][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.418207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.418207][ T72] [ 4358.420244][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4358.420244][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.420244][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.420244][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.420244][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4358.420244][ T72] ipv6_add_addr+0x411/0x2000 [ 4358.420244][ T72] inet6_addr_add+0x30e/0xa40 [ 4358.420244][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.420244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.420244][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.420244][ T72] netlink_unicast+0x449/0x710 [ 4358.420244][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.420244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.420244][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.420244][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.420244][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.420244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.420244][ T72] [ 4358.422245][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4358.422245][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.422245][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.422245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.422245][ T72] ip6_route_add+0x1c/0x140 [ 4358.422245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4358.422245][ T72] addrconf_add_dev+0xe2/0x170 [ 4358.422245][ T72] inet6_addr_add+0x12f/0xa40 [ 4358.422245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.422245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.422245][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.422245][ T72] netlink_unicast+0x449/0x710 [ 4358.422245][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.422245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.422245][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.422245][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.422245][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.422245][ T72] [ 4358.424228][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4358.424228][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4358.424228][ T72] ipv6_find_idev+0x102/0x170 [ 4358.424228][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.424228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.424228][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.424228][ T72] netlink_unicast+0x449/0x710 [ 4358.424228][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.424228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.424228][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.424228][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.424228][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.424228][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.424228][ T72] [ 4358.425751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4358.425751][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4358.425751][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4358.425751][ T72] ipv6_find_idev+0x102/0x170 [ 4358.425751][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.425751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.425751][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.425751][ T72] netlink_unicast+0x449/0x710 [ 4358.425751][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.425751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.425751][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.425751][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.425751][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.425751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.425751][ T72] [ 4358.427538][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4358.427896][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4358.427896][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4358.427896][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4358.427896][ T72] fib6_nh_init+0xa22/0x1580 [ 4358.427896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.427896][ T72] ip6_route_add+0x1c/0x140 [ 4358.427896][ T72] inet6_rtm_newroute+0x104/0x110 [ 4358.427896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.427896][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.427896][ T72] netlink_unicast+0x449/0x710 [ 4358.427896][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.427896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.427896][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.427896][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.427896][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.427896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.427896][ T72] [ 4358.429917][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4358.429917][ T72] dst_init+0x84/0x4a0 [ 4358.429917][ T72] dst_alloc+0x97/0x150 [ 4358.429917][ T72] ip6_dst_alloc+0x23/0x90 [ 4358.429917][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4358.429917][ T72] ip6_pol_route+0x56f/0x840 [ 4358.429917][ T72] fib6_rule_lookup+0x456/0x630 [ 4358.429917][ T72] ip6_route_input+0x59c/0xa50 [ 4358.429917][ T72] ipv6_rcv+0x397/0x810 [ 4358.429917][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4358.429917][ T72] process_backlog+0x101/0x620 [ 4358.429917][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4358.429917][ T72] net_rx_action+0x495/0xbe0 [ 4358.429917][ T72] __do_softirq+0x1b5/0x7f6 [ 4358.429917][ T72] [ 4358.431633][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4358.431633][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.431633][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.431633][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.431633][ T72] ip6_route_add+0x1c/0x140 [ 4358.431633][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4358.431633][ T72] inet6_addr_add+0x4f8/0xa40 [ 4358.431633][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.431633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.431633][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.431633][ T72] netlink_unicast+0x449/0x710 [ 4358.431633][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.431633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.431633][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.431633][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.431633][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.431633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.431633][ T72] [ 4358.433797][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4358.433797][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.433797][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.433797][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.433797][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4358.433797][ T72] ipv6_add_addr+0x411/0x2000 [ 4358.433797][ T72] inet6_addr_add+0x30e/0xa40 [ 4358.433797][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.433797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.433797][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.433797][ T72] netlink_unicast+0x449/0x710 [ 4358.433797][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.433797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.433797][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.433797][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.433797][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.433797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.433797][ T72] [ 4358.435942][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4358.435942][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.435942][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.435942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.435942][ T72] ip6_route_add+0x1c/0x140 [ 4358.435942][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4358.435942][ T72] addrconf_add_dev+0xe2/0x170 [ 4358.435942][ T72] inet6_addr_add+0x12f/0xa40 [ 4358.435942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.435942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.435942][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.435942][ T72] netlink_unicast+0x449/0x710 [ 4358.435942][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.435942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.435942][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.435942][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.435942][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.435942][ T72] [ 4358.438114][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4358.438114][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4358.438114][ T72] ipv6_find_idev+0x102/0x170 [ 4358.438114][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.438114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.438114][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.438114][ T72] netlink_unicast+0x449/0x710 [ 4358.438114][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.438114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.438114][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.438114][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.438114][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.438114][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.438114][ T72] [ 4358.439849][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4358.439849][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4358.439849][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4358.439849][ T72] ipv6_find_idev+0x102/0x170 [ 4358.439849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.439849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.439849][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.439849][ T72] netlink_unicast+0x449/0x710 [ 4358.439849][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.439849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.439849][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.439849][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.439849][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.439849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.439849][ T72] [ 4358.441635][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4358.442364][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4358.442364][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.442364][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.442364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.442364][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4358.442364][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4358.442364][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4358.442364][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4358.442364][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4358.442364][ T72] addrconf_dad_begin+0x310/0x670 [ 4358.442364][ T72] addrconf_dad_work+0x10b/0xab0 [ 4358.442364][ T72] process_one_work+0x84d/0x18a0 [ 4358.442364][ T72] worker_thread+0x587/0xd30 [ 4358.442364][ T72] kthread+0x28a/0x350 [ 4358.442364][ T72] ret_from_fork+0x31/0x70 [ 4358.442364][ T72] ret_from_fork_asm+0x1a/0x30 [ 4358.442364][ T72] [ 4358.444293][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4358.444293][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.444293][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.444293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.444293][ T72] ip6_route_add+0x1c/0x140 [ 4358.444293][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4358.444293][ T72] inet6_addr_add+0x4f8/0xa40 [ 4358.444293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.444293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.444293][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.444293][ T72] netlink_unicast+0x449/0x710 [ 4358.444293][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.444293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.444293][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.444293][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.444293][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.444293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.444293][ T72] [ 4358.446373][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4358.446373][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.446373][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.446373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.446373][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4358.446373][ T72] ipv6_add_addr+0x411/0x2000 [ 4358.446373][ T72] inet6_addr_add+0x30e/0xa40 [ 4358.446373][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.446373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.446373][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.446373][ T72] netlink_unicast+0x449/0x710 [ 4358.446373][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.446373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.446373][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.446373][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.446373][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.446373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.446373][ T72] [ 4358.448553][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4358.448553][ T72] netdev_get_by_index+0x5e/0x80 [ 4358.448553][ T72] fib6_nh_init+0x3d8/0x1580 [ 4358.448553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4358.448553][ T72] ip6_route_add+0x1c/0x140 [ 4358.448553][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4358.448553][ T72] addrconf_add_dev+0xe2/0x170 [ 4358.448553][ T72] inet6_addr_add+0x12f/0xa40 [ 4358.448553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.448553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.448553][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.448553][ T72] netlink_unicast+0x449/0x710 [ 4358.448553][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.448553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.448553][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.448553][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.448553][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.448553][ T72] [ 4358.450708][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4358.450708][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4358.450708][ T72] ipv6_find_idev+0x102/0x170 [ 4358.450708][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.450708][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.450708][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.450708][ T72] netlink_unicast+0x449/0x710 [ 4358.450708][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.450708][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.450708][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.450708][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.450708][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.450708][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.450708][ T72] [ 4358.452347][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4358.452347][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4358.452347][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4358.452347][ T72] ipv6_find_idev+0x102/0x170 [ 4358.452347][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.452347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.452347][ T72] netlink_rcv_skb+0x130/0x360 [ 4358.452347][ T72] netlink_unicast+0x449/0x710 [ 4358.452347][ T72] netlink_sendmsg+0x723/0xbe0 [ 4358.452347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4358.452347][ T72] ___sys_sendmsg+0xee/0x170 [ 4358.452347][ T72] __sys_sendmsg+0xcd/0x170 [ 4358.452347][ T72] do_syscall_64+0xc6/0x1e0 [ 4358.452347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.452347][ T72] [ 4368.544996][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4368.546011][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4368.546011][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4368.546011][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4368.546011][ T72] fib6_nh_init+0xa22/0x1580 [ 4368.546011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.546011][ T72] ip6_route_add+0x1c/0x140 [ 4368.546011][ T72] inet6_rtm_newroute+0x104/0x110 [ 4368.546011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.546011][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.546011][ T72] netlink_unicast+0x449/0x710 [ 4368.546011][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.546011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.546011][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.546011][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.546011][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.546011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.546011][ T72] [ 4368.548487][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4368.548487][ T72] dst_init+0x84/0x4a0 [ 4368.548487][ T72] dst_alloc+0x97/0x150 [ 4368.548487][ T72] ip6_dst_alloc+0x23/0x90 [ 4368.548487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4368.548487][ T72] ip6_pol_route+0x56f/0x840 [ 4368.548487][ T72] fib6_rule_lookup+0x456/0x630 [ 4368.548487][ T72] ip6_route_input+0x59c/0xa50 [ 4368.548487][ T72] ipv6_rcv+0x397/0x810 [ 4368.548487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4368.548487][ T72] process_backlog+0x101/0x620 [ 4368.548487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4368.548487][ T72] net_rx_action+0x495/0xbe0 [ 4368.548487][ T72] __do_softirq+0x1b5/0x7f6 [ 4368.548487][ T72] [ 4368.550146][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4368.550146][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.550146][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.550146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.550146][ T72] ip6_route_add+0x1c/0x140 [ 4368.550146][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4368.550146][ T72] inet6_addr_add+0x4f8/0xa40 [ 4368.550146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.550146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.550146][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.550146][ T72] netlink_unicast+0x449/0x710 [ 4368.550146][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.550146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.550146][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.550146][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.550146][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.550146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.550146][ T72] [ 4368.552531][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4368.552531][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.552531][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.552531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.552531][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4368.552531][ T72] ipv6_add_addr+0x411/0x2000 [ 4368.552531][ T72] inet6_addr_add+0x30e/0xa40 [ 4368.552531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.552531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.552531][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.552531][ T72] netlink_unicast+0x449/0x710 [ 4368.552531][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.552531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.552531][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.552531][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.552531][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.552531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.552531][ T72] [ 4368.554532][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4368.554532][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.554532][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.554532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.554532][ T72] ip6_route_add+0x1c/0x140 [ 4368.554532][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4368.554532][ T72] addrconf_add_dev+0xe2/0x170 [ 4368.554532][ T72] inet6_addr_add+0x12f/0xa40 [ 4368.554532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.554532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.554532][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.554532][ T72] netlink_unicast+0x449/0x710 [ 4368.554532][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.554532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.554532][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.554532][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.554532][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.554532][ T72] [ 4368.556507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4368.556507][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4368.556507][ T72] ipv6_find_idev+0x102/0x170 [ 4368.556507][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.556507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.556507][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.556507][ T72] netlink_unicast+0x449/0x710 [ 4368.556507][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.556507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.556507][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.556507][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.556507][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.556507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.556507][ T72] [ 4368.558062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4368.558062][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4368.558062][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4368.558062][ T72] ipv6_find_idev+0x102/0x170 [ 4368.558062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.558062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.558062][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.558062][ T72] netlink_unicast+0x449/0x710 [ 4368.558062][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.558062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.558062][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.558062][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.558062][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.558062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.558062][ T72] [ 4368.559773][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4368.560067][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4368.560067][ T72] dst_init+0x84/0x4a0 [ 4368.560067][ T72] dst_alloc+0x97/0x150 [ 4368.560067][ T72] ip6_dst_alloc+0x23/0x90 [ 4368.560067][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4368.560067][ T72] ip6_pol_route+0x56f/0x840 [ 4368.560067][ T72] fib6_rule_lookup+0x456/0x630 [ 4368.560067][ T72] ip6_route_input+0x59c/0xa50 [ 4368.560067][ T72] ipv6_rcv+0x397/0x810 [ 4368.560067][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4368.560067][ T72] process_backlog+0x101/0x620 [ 4368.560067][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4368.560067][ T72] net_rx_action+0x495/0xbe0 [ 4368.560067][ T72] __do_softirq+0x1b5/0x7f6 [ 4368.560067][ T72] [ 4368.561718][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4368.561718][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.561718][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.561718][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.561718][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4368.561718][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4368.561718][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4368.561718][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4368.561718][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4368.561718][ T72] addrconf_dad_begin+0x310/0x670 [ 4368.561718][ T72] addrconf_dad_work+0x10b/0xab0 [ 4368.561718][ T72] process_one_work+0x84d/0x18a0 [ 4368.561718][ T72] worker_thread+0x587/0xd30 [ 4368.561718][ T72] kthread+0x28a/0x350 [ 4368.561718][ T72] ret_from_fork+0x31/0x70 [ 4368.561718][ T72] ret_from_fork_asm+0x1a/0x30 [ 4368.561718][ T72] [ 4368.563636][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4368.563636][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.563636][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.563636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.563636][ T72] ip6_route_add+0x1c/0x140 [ 4368.563636][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4368.563636][ T72] inet6_addr_add+0x4f8/0xa40 [ 4368.563636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.563636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.563636][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.563636][ T72] netlink_unicast+0x449/0x710 [ 4368.563636][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.563636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.563636][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.563636][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.563636][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.563636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.563636][ T72] [ 4368.565689][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4368.565689][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.565689][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.565689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.565689][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4368.565689][ T72] ipv6_add_addr+0x411/0x2000 [ 4368.565689][ T72] inet6_addr_add+0x30e/0xa40 [ 4368.565689][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.565689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.565689][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.565689][ T72] netlink_unicast+0x449/0x710 [ 4368.565689][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.565689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.565689][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.565689][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.565689][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.565689][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.565689][ T72] [ 4368.567706][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4368.567706][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.567706][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.567706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.567706][ T72] ip6_route_add+0x1c/0x140 [ 4368.567706][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4368.567706][ T72] addrconf_add_dev+0xe2/0x170 [ 4368.567706][ T72] inet6_addr_add+0x12f/0xa40 [ 4368.567706][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.567706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.567706][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.567706][ T72] netlink_unicast+0x449/0x710 [ 4368.567706][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.567706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.567706][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.567706][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.567706][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.567706][ T72] [ 4368.569681][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4368.569681][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4368.569681][ T72] ipv6_find_idev+0x102/0x170 [ 4368.569681][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.569681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.569681][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.569681][ T72] netlink_unicast+0x449/0x710 [ 4368.569681][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.569681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.569681][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.569681][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.569681][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.569681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.569681][ T72] [ 4368.571225][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4368.571225][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4368.571225][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4368.571225][ T72] ipv6_find_idev+0x102/0x170 [ 4368.571225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.571225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.571225][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.571225][ T72] netlink_unicast+0x449/0x710 [ 4368.571225][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.571225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.571225][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.571225][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.571225][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.571225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.571225][ T72] [ 4368.573054][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4368.573386][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4368.573386][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4368.573386][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4368.573386][ T72] fib6_nh_init+0xa22/0x1580 [ 4368.573386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.573386][ T72] ip6_route_add+0x1c/0x140 [ 4368.573386][ T72] inet6_rtm_newroute+0x104/0x110 [ 4368.573386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.573386][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.573386][ T72] netlink_unicast+0x449/0x710 [ 4368.573386][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.573386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.573386][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.573386][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.573386][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.573386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.573386][ T72] [ 4368.575550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4368.575550][ T72] dst_init+0x84/0x4a0 [ 4368.575550][ T72] dst_alloc+0x97/0x150 [ 4368.575550][ T72] ip6_dst_alloc+0x23/0x90 [ 4368.575550][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4368.575550][ T72] ip6_pol_route+0x56f/0x840 [ 4368.575550][ T72] fib6_rule_lookup+0x456/0x630 [ 4368.575550][ T72] ip6_route_input+0x59c/0xa50 [ 4368.575550][ T72] ipv6_rcv+0x397/0x810 [ 4368.575550][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4368.575550][ T72] process_backlog+0x101/0x620 [ 4368.575550][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4368.575550][ T72] net_rx_action+0x495/0xbe0 [ 4368.575550][ T72] __do_softirq+0x1b5/0x7f6 [ 4368.575550][ T72] [ 4368.577390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4368.577390][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.577390][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.577390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.577390][ T72] ip6_route_add+0x1c/0x140 [ 4368.577390][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4368.577390][ T72] inet6_addr_add+0x4f8/0xa40 [ 4368.577390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.577390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.577390][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.577390][ T72] netlink_unicast+0x449/0x710 [ 4368.577390][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.577390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.577390][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.577390][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.577390][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.577390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.577390][ T72] [ 4368.579652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4368.579652][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.579652][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.579652][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.579652][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4368.579652][ T72] ipv6_add_addr+0x411/0x2000 [ 4368.579652][ T72] inet6_addr_add+0x30e/0xa40 [ 4368.579652][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.579652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.579652][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.579652][ T72] netlink_unicast+0x449/0x710 [ 4368.579652][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.579652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.579652][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.579652][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.579652][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.579652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.579652][ T72] [ 4368.581904][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4368.581904][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.581904][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.581904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.581904][ T72] ip6_route_add+0x1c/0x140 [ 4368.581904][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4368.581904][ T72] addrconf_add_dev+0xe2/0x170 [ 4368.581904][ T72] inet6_addr_add+0x12f/0xa40 [ 4368.581904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.581904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.581904][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.581904][ T72] netlink_unicast+0x449/0x710 [ 4368.581904][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.581904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.581904][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.581904][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.581904][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.581904][ T72] [ 4368.584186][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4368.584186][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4368.584186][ T72] ipv6_find_idev+0x102/0x170 [ 4368.584186][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.584186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.584186][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.584186][ T72] netlink_unicast+0x449/0x710 [ 4368.584186][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.584186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.584186][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.584186][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.584186][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.584186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.584186][ T72] [ 4368.585914][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4368.585914][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4368.585914][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4368.585914][ T72] ipv6_find_idev+0x102/0x170 [ 4368.585914][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.585914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.585914][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.585914][ T72] netlink_unicast+0x449/0x710 [ 4368.585914][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.585914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.585914][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.585914][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.585914][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.585914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.585914][ T72] [ 4368.587858][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4368.588134][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4368.588134][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.588134][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.588134][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.588134][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4368.588134][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4368.588134][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4368.588134][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4368.588134][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4368.588134][ T72] addrconf_dad_begin+0x310/0x670 [ 4368.588134][ T72] addrconf_dad_work+0x10b/0xab0 [ 4368.588134][ T72] process_one_work+0x84d/0x18a0 [ 4368.588134][ T72] worker_thread+0x587/0xd30 [ 4368.588134][ T72] kthread+0x28a/0x350 [ 4368.588134][ T72] ret_from_fork+0x31/0x70 [ 4368.588134][ T72] ret_from_fork_asm+0x1a/0x30 [ 4368.588134][ T72] [ 4368.590298][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4368.590298][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.590298][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.590298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.590298][ T72] ip6_route_add+0x1c/0x140 [ 4368.590298][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4368.590298][ T72] inet6_addr_add+0x4f8/0xa40 [ 4368.590298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.590298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.590298][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.590298][ T72] netlink_unicast+0x449/0x710 [ 4368.590298][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.590298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.590298][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.590298][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.590298][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.590298][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.590298][ T72] [ 4368.592490][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4368.592490][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.592490][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.592490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.592490][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4368.592490][ T72] ipv6_add_addr+0x411/0x2000 [ 4368.592490][ T72] inet6_addr_add+0x30e/0xa40 [ 4368.592490][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.592490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.592490][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.592490][ T72] netlink_unicast+0x449/0x710 [ 4368.592490][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.592490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.592490][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.592490][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.592490][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.592490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.592490][ T72] [ 4368.594805][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4368.594805][ T72] netdev_get_by_index+0x5e/0x80 [ 4368.594805][ T72] fib6_nh_init+0x3d8/0x1580 [ 4368.594805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4368.594805][ T72] ip6_route_add+0x1c/0x140 [ 4368.594805][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4368.594805][ T72] addrconf_add_dev+0xe2/0x170 [ 4368.594805][ T72] inet6_addr_add+0x12f/0xa40 [ 4368.594805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.594805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.594805][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.594805][ T72] netlink_unicast+0x449/0x710 [ 4368.594805][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.594805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.594805][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.594805][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.594805][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.594805][ T72] [ 4368.597067][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4368.597067][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4368.597067][ T72] ipv6_find_idev+0x102/0x170 [ 4368.597067][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.597067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.597067][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.597067][ T72] netlink_unicast+0x449/0x710 [ 4368.597067][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.597067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.597067][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.597067][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.597067][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.597067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.597067][ T72] [ 4368.598807][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4368.598807][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4368.598807][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4368.598807][ T72] ipv6_find_idev+0x102/0x170 [ 4368.598807][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.598807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.598807][ T72] netlink_rcv_skb+0x130/0x360 [ 4368.598807][ T72] netlink_unicast+0x449/0x710 [ 4368.598807][ T72] netlink_sendmsg+0x723/0xbe0 [ 4368.598807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4368.598807][ T72] ___sys_sendmsg+0xee/0x170 [ 4368.598807][ T72] __sys_sendmsg+0xcd/0x170 [ 4368.598807][ T72] do_syscall_64+0xc6/0x1e0 [ 4368.598807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.598807][ T72] [ 4378.840893][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4378.841443][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4378.841443][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4378.841443][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4378.841443][ T72] fib6_nh_init+0xa22/0x1580 [ 4378.841443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.841443][ T72] ip6_route_add+0x1c/0x140 [ 4378.841443][ T72] inet6_rtm_newroute+0x104/0x110 [ 4378.841443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.841443][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.841443][ T72] netlink_unicast+0x449/0x710 [ 4378.841443][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.841443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.841443][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.841443][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.841443][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.841443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.841443][ T72] [ 4378.843487][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4378.843487][ T72] dst_init+0x84/0x4a0 [ 4378.843487][ T72] dst_alloc+0x97/0x150 [ 4378.843487][ T72] ip6_dst_alloc+0x23/0x90 [ 4378.843487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4378.843487][ T72] ip6_pol_route+0x56f/0x840 [ 4378.843487][ T72] fib6_rule_lookup+0x456/0x630 [ 4378.843487][ T72] ip6_route_input+0x59c/0xa50 [ 4378.843487][ T72] ipv6_rcv+0x397/0x810 [ 4378.843487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4378.843487][ T72] process_backlog+0x101/0x620 [ 4378.843487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4378.843487][ T72] net_rx_action+0x495/0xbe0 [ 4378.843487][ T72] __do_softirq+0x1b5/0x7f6 [ 4378.843487][ T72] [ 4378.845213][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4378.845213][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.845213][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.845213][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.845213][ T72] ip6_route_add+0x1c/0x140 [ 4378.845213][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4378.845213][ T72] inet6_addr_add+0x4f8/0xa40 [ 4378.845213][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.845213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.845213][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.845213][ T72] netlink_unicast+0x449/0x710 [ 4378.845213][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.845213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.845213][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.845213][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.845213][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.845213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.845213][ T72] [ 4378.847358][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4378.847358][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.847358][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.847358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.847358][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4378.847358][ T72] ipv6_add_addr+0x411/0x2000 [ 4378.847358][ T72] inet6_addr_add+0x30e/0xa40 [ 4378.847358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.847358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.847358][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.847358][ T72] netlink_unicast+0x449/0x710 [ 4378.847358][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.847358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.847358][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.847358][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.847358][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.847358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.847358][ T72] [ 4378.849494][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4378.849494][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.849494][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.849494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.849494][ T72] ip6_route_add+0x1c/0x140 [ 4378.849494][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4378.849494][ T72] addrconf_add_dev+0xe2/0x170 [ 4378.849494][ T72] inet6_addr_add+0x12f/0xa40 [ 4378.849494][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.849494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.849494][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.849494][ T72] netlink_unicast+0x449/0x710 [ 4378.849494][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.849494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.849494][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.849494][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.849494][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.849494][ T72] [ 4378.851591][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4378.851591][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4378.851591][ T72] ipv6_find_idev+0x102/0x170 [ 4378.851591][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.851591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.851591][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.851591][ T72] netlink_unicast+0x449/0x710 [ 4378.851591][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.851591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.851591][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.851591][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.851591][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.851591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.851591][ T72] [ 4378.853161][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4378.853161][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4378.853161][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4378.853161][ T72] ipv6_find_idev+0x102/0x170 [ 4378.853161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.853161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.853161][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.853161][ T72] netlink_unicast+0x449/0x710 [ 4378.853161][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.853161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.853161][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.853161][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.853161][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.853161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.853161][ T72] [ 4378.854892][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4378.855197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4378.855197][ T72] dst_init+0x84/0x4a0 [ 4378.855197][ T72] dst_alloc+0x97/0x150 [ 4378.855197][ T72] ip6_dst_alloc+0x23/0x90 [ 4378.855197][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4378.855197][ T72] ip6_pol_route+0x56f/0x840 [ 4378.855197][ T72] fib6_rule_lookup+0x456/0x630 [ 4378.855197][ T72] ip6_route_input+0x59c/0xa50 [ 4378.855197][ T72] ipv6_rcv+0x397/0x810 [ 4378.855197][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4378.855197][ T72] process_backlog+0x101/0x620 [ 4378.855197][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4378.855197][ T72] net_rx_action+0x495/0xbe0 [ 4378.855197][ T72] __do_softirq+0x1b5/0x7f6 [ 4378.855197][ T72] [ 4378.856850][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4378.856850][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.856850][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.856850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.856850][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4378.856850][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4378.856850][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4378.856850][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4378.856850][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4378.856850][ T72] addrconf_dad_begin+0x310/0x670 [ 4378.856850][ T72] addrconf_dad_work+0x10b/0xab0 [ 4378.856850][ T72] process_one_work+0x84d/0x18a0 [ 4378.856850][ T72] worker_thread+0x587/0xd30 [ 4378.856850][ T72] kthread+0x28a/0x350 [ 4378.856850][ T72] ret_from_fork+0x31/0x70 [ 4378.856850][ T72] ret_from_fork_asm+0x1a/0x30 [ 4378.856850][ T72] [ 4378.858791][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4378.858791][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.858791][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.858791][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.858791][ T72] ip6_route_add+0x1c/0x140 [ 4378.858791][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4378.858791][ T72] inet6_addr_add+0x4f8/0xa40 [ 4378.858791][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.858791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.858791][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.858791][ T72] netlink_unicast+0x449/0x710 [ 4378.858791][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.858791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.858791][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.858791][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.858791][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.858791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.858791][ T72] [ 4378.860827][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4378.860827][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.860827][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.860827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.860827][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4378.860827][ T72] ipv6_add_addr+0x411/0x2000 [ 4378.860827][ T72] inet6_addr_add+0x30e/0xa40 [ 4378.860827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.860827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.860827][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.860827][ T72] netlink_unicast+0x449/0x710 [ 4378.860827][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.860827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.860827][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.860827][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.860827][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.860827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.860827][ T72] [ 4378.862836][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4378.862836][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.862836][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.862836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.862836][ T72] ip6_route_add+0x1c/0x140 [ 4378.862836][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4378.862836][ T72] addrconf_add_dev+0xe2/0x170 [ 4378.862836][ T72] inet6_addr_add+0x12f/0xa40 [ 4378.862836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.862836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.862836][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.862836][ T72] netlink_unicast+0x449/0x710 [ 4378.862836][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.862836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.862836][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.862836][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.862836][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.862836][ T72] [ 4378.864802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4378.864802][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4378.864802][ T72] ipv6_find_idev+0x102/0x170 [ 4378.864802][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.864802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.864802][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.864802][ T72] netlink_unicast+0x449/0x710 [ 4378.864802][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.864802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.864802][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.864802][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.864802][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.864802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.864802][ T72] [ 4378.866357][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4378.866357][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4378.866357][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4378.866357][ T72] ipv6_find_idev+0x102/0x170 [ 4378.866357][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.866357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.866357][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.866357][ T72] netlink_unicast+0x449/0x710 [ 4378.866357][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.866357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.866357][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.866357][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.866357][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.866357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.866357][ T72] [ 4378.868157][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4378.868517][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4378.868517][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4378.868517][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4378.868517][ T72] fib6_nh_init+0xa22/0x1580 [ 4378.868517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.868517][ T72] ip6_route_add+0x1c/0x140 [ 4378.868517][ T72] inet6_rtm_newroute+0x104/0x110 [ 4378.868517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.868517][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.868517][ T72] netlink_unicast+0x449/0x710 [ 4378.868517][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.868517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.868517][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.868517][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.868517][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.868517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.868517][ T72] [ 4378.870552][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4378.870552][ T72] dst_init+0x84/0x4a0 [ 4378.870552][ T72] dst_alloc+0x97/0x150 [ 4378.870552][ T72] ip6_dst_alloc+0x23/0x90 [ 4378.870552][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4378.870552][ T72] ip6_pol_route+0x56f/0x840 [ 4378.870552][ T72] fib6_rule_lookup+0x456/0x630 [ 4378.870552][ T72] ip6_route_input+0x59c/0xa50 [ 4378.870552][ T72] ipv6_rcv+0x397/0x810 [ 4378.870552][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4378.870552][ T72] process_backlog+0x101/0x620 [ 4378.870552][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4378.870552][ T72] net_rx_action+0x495/0xbe0 [ 4378.870552][ T72] __do_softirq+0x1b5/0x7f6 [ 4378.870552][ T72] [ 4378.872276][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4378.872276][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.872276][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.872276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.872276][ T72] ip6_route_add+0x1c/0x140 [ 4378.872276][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4378.872276][ T72] inet6_addr_add+0x4f8/0xa40 [ 4378.872276][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.872276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.872276][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.872276][ T72] netlink_unicast+0x449/0x710 [ 4378.872276][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.872276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.872276][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.872276][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.872276][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.872276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.872276][ T72] [ 4378.874479][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4378.874479][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.874479][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.874479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.874479][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4378.874479][ T72] ipv6_add_addr+0x411/0x2000 [ 4378.874479][ T72] inet6_addr_add+0x30e/0xa40 [ 4378.874479][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.874479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.874479][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.874479][ T72] netlink_unicast+0x449/0x710 [ 4378.874479][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.874479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.874479][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.874479][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.874479][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.874479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.874479][ T72] [ 4378.876758][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4378.876758][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.876758][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.876758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.876758][ T72] ip6_route_add+0x1c/0x140 [ 4378.876758][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4378.876758][ T72] addrconf_add_dev+0xe2/0x170 [ 4378.876758][ T72] inet6_addr_add+0x12f/0xa40 [ 4378.876758][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.876758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.876758][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.876758][ T72] netlink_unicast+0x449/0x710 [ 4378.876758][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.876758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.876758][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.876758][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.876758][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.876758][ T72] [ 4378.878978][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4378.878978][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4378.878978][ T72] ipv6_find_idev+0x102/0x170 [ 4378.878978][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.878978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.878978][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.878978][ T72] netlink_unicast+0x449/0x710 [ 4378.878978][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.878978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.878978][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.878978][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.878978][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.878978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.878978][ T72] [ 4378.880678][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4378.880678][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4378.880678][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4378.880678][ T72] ipv6_find_idev+0x102/0x170 [ 4378.880678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.880678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.880678][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.880678][ T72] netlink_unicast+0x449/0x710 [ 4378.880678][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.880678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.880678][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.880678][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.880678][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.880678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.880678][ T72] [ 4378.882461][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4378.882755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4378.882755][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.882755][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.882755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.882755][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4378.882755][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4378.882755][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4378.882755][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4378.882755][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4378.882755][ T72] addrconf_dad_begin+0x310/0x670 [ 4378.882755][ T72] addrconf_dad_work+0x10b/0xab0 [ 4378.882755][ T72] process_one_work+0x84d/0x18a0 [ 4378.882755][ T72] worker_thread+0x587/0xd30 [ 4378.882755][ T72] kthread+0x28a/0x350 [ 4378.882755][ T72] ret_from_fork+0x31/0x70 [ 4378.882755][ T72] ret_from_fork_asm+0x1a/0x30 [ 4378.882755][ T72] [ 4378.884827][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4378.884827][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.884827][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.884827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.884827][ T72] ip6_route_add+0x1c/0x140 [ 4378.884827][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4378.884827][ T72] inet6_addr_add+0x4f8/0xa40 [ 4378.884827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.884827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.884827][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.884827][ T72] netlink_unicast+0x449/0x710 [ 4378.884827][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.884827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.884827][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.884827][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.884827][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.884827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.884827][ T72] [ 4378.887129][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4378.887129][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.887129][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.887129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.887129][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4378.887129][ T72] ipv6_add_addr+0x411/0x2000 [ 4378.887129][ T72] inet6_addr_add+0x30e/0xa40 [ 4378.887129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.887129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.887129][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.887129][ T72] netlink_unicast+0x449/0x710 [ 4378.887129][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.887129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.887129][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.887129][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.887129][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.887129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.887129][ T72] [ 4378.889386][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4378.889386][ T72] netdev_get_by_index+0x5e/0x80 [ 4378.889386][ T72] fib6_nh_init+0x3d8/0x1580 [ 4378.889386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4378.889386][ T72] ip6_route_add+0x1c/0x140 [ 4378.889386][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4378.889386][ T72] addrconf_add_dev+0xe2/0x170 [ 4378.889386][ T72] inet6_addr_add+0x12f/0xa40 [ 4378.889386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.889386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.889386][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.889386][ T72] netlink_unicast+0x449/0x710 [ 4378.889386][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.889386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.889386][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.889386][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.889386][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.889386][ T72] [ 4378.891718][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4378.891718][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4378.891718][ T72] ipv6_find_idev+0x102/0x170 [ 4378.891718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.891718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.891718][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.891718][ T72] netlink_unicast+0x449/0x710 [ 4378.891718][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.891718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.891718][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.891718][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.891718][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.891718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.891718][ T72] [ 4378.893356][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4378.893356][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4378.893356][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4378.893356][ T72] ipv6_find_idev+0x102/0x170 [ 4378.893356][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.893356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.893356][ T72] netlink_rcv_skb+0x130/0x360 [ 4378.893356][ T72] netlink_unicast+0x449/0x710 [ 4378.893356][ T72] netlink_sendmsg+0x723/0xbe0 [ 4378.893356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4378.893356][ T72] ___sys_sendmsg+0xee/0x170 [ 4378.893356][ T72] __sys_sendmsg+0xcd/0x170 [ 4378.893356][ T72] do_syscall_64+0xc6/0x1e0 [ 4378.893356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.893356][ T72] [ 4389.136937][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4389.137458][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4389.137458][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4389.137458][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4389.137458][ T72] fib6_nh_init+0xa22/0x1580 [ 4389.137458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.137458][ T72] ip6_route_add+0x1c/0x140 [ 4389.137458][ T72] inet6_rtm_newroute+0x104/0x110 [ 4389.137458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.137458][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.137458][ T72] netlink_unicast+0x449/0x710 [ 4389.137458][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.137458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.137458][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.137458][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.137458][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.137458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.137458][ T72] [ 4389.139626][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4389.139626][ T72] dst_init+0x84/0x4a0 [ 4389.139626][ T72] dst_alloc+0x97/0x150 [ 4389.139626][ T72] ip6_dst_alloc+0x23/0x90 [ 4389.139626][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4389.139626][ T72] ip6_pol_route+0x56f/0x840 [ 4389.139626][ T72] fib6_rule_lookup+0x456/0x630 [ 4389.139626][ T72] ip6_route_input+0x59c/0xa50 [ 4389.139626][ T72] ipv6_rcv+0x397/0x810 [ 4389.139626][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4389.139626][ T72] process_backlog+0x101/0x620 [ 4389.139626][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4389.139626][ T72] net_rx_action+0x495/0xbe0 [ 4389.139626][ T72] __do_softirq+0x1b5/0x7f6 [ 4389.139626][ T72] [ 4389.141503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4389.141503][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.141503][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.141503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.141503][ T72] ip6_route_add+0x1c/0x140 [ 4389.141503][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4389.141503][ T72] inet6_addr_add+0x4f8/0xa40 [ 4389.141503][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.141503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.141503][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.141503][ T72] netlink_unicast+0x449/0x710 [ 4389.141503][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.141503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.141503][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.141503][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.141503][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.141503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.141503][ T72] [ 4389.143757][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4389.143757][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.143757][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.143757][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.143757][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4389.143757][ T72] ipv6_add_addr+0x411/0x2000 [ 4389.143757][ T72] inet6_addr_add+0x30e/0xa40 [ 4389.143757][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.143757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.143757][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.143757][ T72] netlink_unicast+0x449/0x710 [ 4389.143757][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.143757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.143757][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.143757][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.143757][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.143757][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.143757][ T72] [ 4389.146007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4389.146007][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.146007][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.146007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.146007][ T72] ip6_route_add+0x1c/0x140 [ 4389.146007][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4389.146007][ T72] addrconf_add_dev+0xe2/0x170 [ 4389.146007][ T72] inet6_addr_add+0x12f/0xa40 [ 4389.146007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.146007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.146007][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.146007][ T72] netlink_unicast+0x449/0x710 [ 4389.146007][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.146007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.146007][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.146007][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.146007][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.146007][ T72] [ 4389.148231][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4389.148231][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4389.148231][ T72] ipv6_find_idev+0x102/0x170 [ 4389.148231][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4389.148231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.148231][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.148231][ T72] netlink_unicast+0x449/0x710 [ 4389.148231][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.148231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.148231][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.148231][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.148231][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.148231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.148231][ T72] [ 4389.150058][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4389.150058][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4389.150058][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4389.150058][ T72] ipv6_find_idev+0x102/0x170 [ 4389.150058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4389.150058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.150058][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.150058][ T72] netlink_unicast+0x449/0x710 [ 4389.150058][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.150058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.150058][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.150058][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.150058][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.150058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.150058][ T72] [ 4389.151982][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4389.152278][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4389.152278][ T72] dst_init+0x84/0x4a0 [ 4389.152278][ T72] dst_alloc+0x97/0x150 [ 4389.152278][ T72] ip6_dst_alloc+0x23/0x90 [ 4389.152278][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4389.152278][ T72] ip6_pol_route+0x56f/0x840 [ 4389.152278][ T72] fib6_rule_lookup+0x456/0x630 [ 4389.152278][ T72] ip6_route_input+0x59c/0xa50 [ 4389.152278][ T72] ipv6_rcv+0x397/0x810 [ 4389.152278][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4389.152278][ T72] process_backlog+0x101/0x620 [ 4389.152278][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4389.152278][ T72] net_rx_action+0x495/0xbe0 [ 4389.152278][ T72] __do_softirq+0x1b5/0x7f6 [ 4389.152278][ T72] [ 4389.154146][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4389.154146][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.154146][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.154146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.154146][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4389.154146][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4389.154146][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4389.154146][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4389.154146][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4389.154146][ T72] addrconf_dad_begin+0x310/0x670 [ 4389.154146][ T72] addrconf_dad_work+0x10b/0xab0 [ 4389.154146][ T72] process_one_work+0x84d/0x18a0 [ 4389.154146][ T72] worker_thread+0x587/0xd30 [ 4389.154146][ T72] kthread+0x28a/0x350 [ 4389.154146][ T72] ret_from_fork+0x31/0x70 [ 4389.154146][ T72] ret_from_fork_asm+0x1a/0x30 [ 4389.154146][ T72] [ 4389.156307][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4389.156307][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.156307][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.156307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.156307][ T72] ip6_route_add+0x1c/0x140 [ 4389.156307][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4389.156307][ T72] inet6_addr_add+0x4f8/0xa40 [ 4389.156307][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.156307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.156307][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.156307][ T72] netlink_unicast+0x449/0x710 [ 4389.156307][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.156307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.156307][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.156307][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.156307][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.156307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.156307][ T72] [ 4389.158579][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4389.158579][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.158579][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.158579][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.158579][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4389.158579][ T72] ipv6_add_addr+0x411/0x2000 [ 4389.158579][ T72] inet6_addr_add+0x30e/0xa40 [ 4389.158579][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.158579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.158579][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.158579][ T72] netlink_unicast+0x449/0x710 [ 4389.158579][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.158579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.158579][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.158579][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.158579][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.158579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.158579][ T72] [ 4389.160833][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4389.160833][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.160833][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.160833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.160833][ T72] ip6_route_add+0x1c/0x140 [ 4389.160833][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4389.160833][ T72] addrconf_add_dev+0xe2/0x170 [ 4389.160833][ T72] inet6_addr_add+0x12f/0xa40 [ 4389.160833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.160833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.160833][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.160833][ T72] netlink_unicast+0x449/0x710 [ 4389.160833][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.160833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.160833][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.160833][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.160833][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.160833][ T72] [ 4389.163054][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4389.163054][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4389.163054][ T72] ipv6_find_idev+0x102/0x170 [ 4389.163054][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4389.163054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.163054][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.163054][ T72] netlink_unicast+0x449/0x710 [ 4389.163054][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.163054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.163054][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.163054][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.163054][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.163054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.163054][ T72] [ 4389.164793][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4389.164793][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4389.164793][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4389.164793][ T72] ipv6_find_idev+0x102/0x170 [ 4389.164793][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4389.164793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.164793][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.164793][ T72] netlink_unicast+0x449/0x710 [ 4389.164793][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.164793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.164793][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.164793][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.164793][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.164793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.164793][ T72] [ 4389.166757][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4389.167061][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4389.167061][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4389.167061][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4389.167061][ T72] fib6_nh_init+0xa22/0x1580 [ 4389.167061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.167061][ T72] ip6_route_add+0x1c/0x140 [ 4389.167061][ T72] inet6_rtm_newroute+0x104/0x110 [ 4389.167061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.167061][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.167061][ T72] netlink_unicast+0x449/0x710 [ 4389.167061][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.167061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.167061][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.167061][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.167061][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.167061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.167061][ T72] [ 4389.169509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4389.169509][ T72] dst_init+0x84/0x4a0 [ 4389.169509][ T72] dst_alloc+0x97/0x150 [ 4389.169509][ T72] ip6_dst_alloc+0x23/0x90 [ 4389.169509][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4389.169509][ T72] ip6_pol_route+0x56f/0x840 [ 4389.169509][ T72] fib6_rule_lookup+0x456/0x630 [ 4389.169509][ T72] ip6_route_input+0x59c/0xa50 [ 4389.169509][ T72] ipv6_rcv+0x397/0x810 [ 4389.169509][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4389.169509][ T72] process_backlog+0x101/0x620 [ 4389.169509][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4389.169509][ T72] net_rx_action+0x495/0xbe0 [ 4389.169509][ T72] __do_softirq+0x1b5/0x7f6 [ 4389.169509][ T72] [ 4389.171536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4389.171536][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.171536][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.171536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.171536][ T72] ip6_route_add+0x1c/0x140 [ 4389.171536][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4389.171536][ T72] inet6_addr_add+0x4f8/0xa40 [ 4389.171536][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.171536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.171536][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.171536][ T72] netlink_unicast+0x449/0x710 [ 4389.171536][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.171536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.171536][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.171536][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.171536][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.171536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.171536][ T72] [ 4389.174051][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4389.174051][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.174051][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.174051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.174051][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4389.174051][ T72] ipv6_add_addr+0x411/0x2000 [ 4389.174051][ T72] inet6_addr_add+0x30e/0xa40 [ 4389.174051][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.174051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.174051][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.174051][ T72] netlink_unicast+0x449/0x710 [ 4389.174051][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.174051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.174051][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.174051][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.174051][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.174051][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.174051][ T72] [ 4389.176492][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4389.176492][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.176492][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.176492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.176492][ T72] ip6_route_add+0x1c/0x140 [ 4389.176492][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4389.176492][ T72] addrconf_add_dev+0xe2/0x170 [ 4389.176492][ T72] inet6_addr_add+0x12f/0xa40 [ 4389.176492][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.176492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.176492][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.176492][ T72] netlink_unicast+0x449/0x710 [ 4389.176492][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.176492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.176492][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.176492][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.176492][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.176492][ T72] [ 4389.178962][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4389.178962][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4389.178962][ T72] ipv6_find_idev+0x102/0x170 [ 4389.178962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4389.178962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.178962][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.178962][ T72] netlink_unicast+0x449/0x710 [ 4389.178962][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.178962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.178962][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.178962][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.178962][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.178962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.178962][ T72] [ 4389.180947][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4389.180947][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4389.180947][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4389.180947][ T72] ipv6_find_idev+0x102/0x170 [ 4389.180947][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4389.180947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.180947][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.180947][ T72] netlink_unicast+0x449/0x710 [ 4389.180947][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.180947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.180947][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.180947][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.180947][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.180947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.180947][ T72] [ 4389.183038][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4389.183396][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4389.183396][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.183396][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.183396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.183396][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4389.183396][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4389.183396][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4389.183396][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4389.183396][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4389.183396][ T72] addrconf_dad_begin+0x310/0x670 [ 4389.183396][ T72] addrconf_dad_work+0x10b/0xab0 [ 4389.183396][ T72] process_one_work+0x84d/0x18a0 [ 4389.183396][ T72] worker_thread+0x587/0xd30 [ 4389.183396][ T72] kthread+0x28a/0x350 [ 4389.183396][ T72] ret_from_fork+0x31/0x70 [ 4389.183396][ T72] ret_from_fork_asm+0x1a/0x30 [ 4389.183396][ T72] [ 4389.185666][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4389.185666][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.185666][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.185666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.185666][ T72] ip6_route_add+0x1c/0x140 [ 4389.185666][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4389.185666][ T72] inet6_addr_add+0x4f8/0xa40 [ 4389.185666][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.185666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.185666][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.185666][ T72] netlink_unicast+0x449/0x710 [ 4389.185666][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.185666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.185666][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.185666][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.185666][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.185666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.185666][ T72] [ 4389.188190][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4389.188190][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.188190][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.188190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.188190][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4389.188190][ T72] ipv6_add_addr+0x411/0x2000 [ 4389.188190][ T72] inet6_addr_add+0x30e/0xa40 [ 4389.188190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.188190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.188190][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.188190][ T72] netlink_unicast+0x449/0x710 [ 4389.188190][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.188190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.188190][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.188190][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.188190][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.188190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.188190][ T72] [ 4389.190753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4389.190753][ T72] netdev_get_by_index+0x5e/0x80 [ 4389.190753][ T72] fib6_nh_init+0x3d8/0x1580 [ 4389.190753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4389.190753][ T72] ip6_route_add+0x1c/0x140 [ 4389.190753][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4389.190753][ T72] addrconf_add_dev+0xe2/0x170 [ 4389.190753][ T72] inet6_addr_add+0x12f/0xa40 [ 4389.190753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4389.190753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.190753][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.190753][ T72] netlink_unicast+0x449/0x710 [ 4389.190753][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.190753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.190753][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.190753][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.190753][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.190753][ T72] [ 4389.193228][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4389.193228][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4389.193228][ T72] ipv6_find_idev+0x102/0x170 [ 4389.193228][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4389.193228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.193228][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.193228][ T72] netlink_unicast+0x449/0x710 [ 4389.193228][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.193228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.193228][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.193228][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.193228][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.193228][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.193228][ T72] [ 4389.195148][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4389.195148][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4389.195148][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4389.195148][ T72] ipv6_find_idev+0x102/0x170 [ 4389.195148][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4389.195148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4389.195148][ T72] netlink_rcv_skb+0x130/0x360 [ 4389.195148][ T72] netlink_unicast+0x449/0x710 [ 4389.195148][ T72] netlink_sendmsg+0x723/0xbe0 [ 4389.195148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4389.195148][ T72] ___sys_sendmsg+0xee/0x170 [ 4389.195148][ T72] __sys_sendmsg+0xcd/0x170 [ 4389.195148][ T72] do_syscall_64+0xc6/0x1e0 [ 4389.195148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4389.195148][ T72] [ 4399.352918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4399.353423][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4399.353423][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4399.353423][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4399.353423][ T72] fib6_nh_init+0xa22/0x1580 [ 4399.353423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.353423][ T72] ip6_route_add+0x1c/0x140 [ 4399.353423][ T72] inet6_rtm_newroute+0x104/0x110 [ 4399.353423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.353423][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.353423][ T72] netlink_unicast+0x449/0x710 [ 4399.353423][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.353423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.353423][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.353423][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.353423][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.353423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.353423][ T72] [ 4399.355596][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4399.355596][ T72] dst_init+0x84/0x4a0 [ 4399.355596][ T72] dst_alloc+0x97/0x150 [ 4399.355596][ T72] ip6_dst_alloc+0x23/0x90 [ 4399.355596][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4399.355596][ T72] ip6_pol_route+0x56f/0x840 [ 4399.355596][ T72] fib6_rule_lookup+0x456/0x630 [ 4399.355596][ T72] ip6_route_input+0x59c/0xa50 [ 4399.355596][ T72] ipv6_rcv+0x397/0x810 [ 4399.355596][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4399.355596][ T72] process_backlog+0x101/0x620 [ 4399.355596][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4399.355596][ T72] net_rx_action+0x495/0xbe0 [ 4399.355596][ T72] __do_softirq+0x1b5/0x7f6 [ 4399.355596][ T72] [ 4399.357435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4399.357435][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.357435][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.357435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.357435][ T72] ip6_route_add+0x1c/0x140 [ 4399.357435][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4399.357435][ T72] inet6_addr_add+0x4f8/0xa40 [ 4399.357435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.357435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.357435][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.357435][ T72] netlink_unicast+0x449/0x710 [ 4399.357435][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.357435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.357435][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.357435][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.357435][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.357435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.357435][ T72] [ 4399.359725][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4399.359725][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.359725][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.359725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.359725][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4399.359725][ T72] ipv6_add_addr+0x411/0x2000 [ 4399.359725][ T72] inet6_addr_add+0x30e/0xa40 [ 4399.359725][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.359725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.359725][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.359725][ T72] netlink_unicast+0x449/0x710 [ 4399.359725][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.359725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.359725][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.359725][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.359725][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.359725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.359725][ T72] [ 4399.362003][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4399.362003][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.362003][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.362003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.362003][ T72] ip6_route_add+0x1c/0x140 [ 4399.362003][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4399.362003][ T72] addrconf_add_dev+0xe2/0x170 [ 4399.362003][ T72] inet6_addr_add+0x12f/0xa40 [ 4399.362003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.362003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.362003][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.362003][ T72] netlink_unicast+0x449/0x710 [ 4399.362003][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.362003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.362003][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.362003][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.362003][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.362003][ T72] [ 4399.364255][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4399.364255][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4399.364255][ T72] ipv6_find_idev+0x102/0x170 [ 4399.364255][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.364255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.364255][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.364255][ T72] netlink_unicast+0x449/0x710 [ 4399.364255][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.364255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.364255][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.364255][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.364255][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.364255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.364255][ T72] [ 4399.366015][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4399.366015][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4399.366015][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4399.366015][ T72] ipv6_find_idev+0x102/0x170 [ 4399.366015][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.366015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.366015][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.366015][ T72] netlink_unicast+0x449/0x710 [ 4399.366015][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.366015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.366015][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.366015][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.366015][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.366015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.366015][ T72] [ 4399.367947][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4399.368253][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4399.368253][ T72] dst_init+0x84/0x4a0 [ 4399.368253][ T72] dst_alloc+0x97/0x150 [ 4399.368253][ T72] ip6_dst_alloc+0x23/0x90 [ 4399.368253][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4399.368253][ T72] ip6_pol_route+0x56f/0x840 [ 4399.368253][ T72] fib6_rule_lookup+0x456/0x630 [ 4399.368253][ T72] ip6_route_input+0x59c/0xa50 [ 4399.368253][ T72] ipv6_rcv+0x397/0x810 [ 4399.368253][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4399.368253][ T72] process_backlog+0x101/0x620 [ 4399.368253][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4399.368253][ T72] net_rx_action+0x495/0xbe0 [ 4399.368253][ T72] __do_softirq+0x1b5/0x7f6 [ 4399.368253][ T72] [ 4399.370095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4399.370095][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.370095][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.370095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.370095][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4399.370095][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4399.370095][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4399.370095][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4399.370095][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4399.370095][ T72] addrconf_dad_begin+0x310/0x670 [ 4399.370095][ T72] addrconf_dad_work+0x10b/0xab0 [ 4399.370095][ T72] process_one_work+0x84d/0x18a0 [ 4399.370095][ T72] worker_thread+0x587/0xd30 [ 4399.370095][ T72] kthread+0x28a/0x350 [ 4399.370095][ T72] ret_from_fork+0x31/0x70 [ 4399.370095][ T72] ret_from_fork_asm+0x1a/0x30 [ 4399.370095][ T72] [ 4399.372262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4399.372262][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.372262][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.372262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.372262][ T72] ip6_route_add+0x1c/0x140 [ 4399.372262][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4399.372262][ T72] inet6_addr_add+0x4f8/0xa40 [ 4399.372262][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.372262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.372262][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.372262][ T72] netlink_unicast+0x449/0x710 [ 4399.372262][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.372262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.372262][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.372262][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.372262][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.372262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.372262][ T72] [ 4399.374529][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4399.374529][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.374529][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.374529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.374529][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4399.374529][ T72] ipv6_add_addr+0x411/0x2000 [ 4399.374529][ T72] inet6_addr_add+0x30e/0xa40 [ 4399.374529][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.374529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.374529][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.374529][ T72] netlink_unicast+0x449/0x710 [ 4399.374529][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.374529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.374529][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.374529][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.374529][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.374529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.374529][ T72] [ 4399.376784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4399.376784][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.376784][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.376784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.376784][ T72] ip6_route_add+0x1c/0x140 [ 4399.376784][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4399.376784][ T72] addrconf_add_dev+0xe2/0x170 [ 4399.376784][ T72] inet6_addr_add+0x12f/0xa40 [ 4399.376784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.376784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.376784][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.376784][ T72] netlink_unicast+0x449/0x710 [ 4399.376784][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.376784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.376784][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.376784][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.376784][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.376784][ T72] [ 4399.379015][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4399.379015][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4399.379015][ T72] ipv6_find_idev+0x102/0x170 [ 4399.379015][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.379015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.379015][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.379015][ T72] netlink_unicast+0x449/0x710 [ 4399.379015][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.379015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.379015][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.379015][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.379015][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.379015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.379015][ T72] [ 4399.380776][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4399.380776][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4399.380776][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4399.380776][ T72] ipv6_find_idev+0x102/0x170 [ 4399.380776][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.380776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.380776][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.380776][ T72] netlink_unicast+0x449/0x710 [ 4399.380776][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.380776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.380776][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.380776][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.380776][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.380776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.380776][ T72] [ 4399.382814][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4399.383113][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4399.383113][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4399.383113][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4399.383113][ T72] fib6_nh_init+0xa22/0x1580 [ 4399.383113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.383113][ T72] ip6_route_add+0x1c/0x140 [ 4399.383113][ T72] inet6_rtm_newroute+0x104/0x110 [ 4399.383113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.383113][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.383113][ T72] netlink_unicast+0x449/0x710 [ 4399.383113][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.383113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.383113][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.383113][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.383113][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.383113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.383113][ T72] [ 4399.385526][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4399.385526][ T72] dst_init+0x84/0x4a0 [ 4399.385526][ T72] dst_alloc+0x97/0x150 [ 4399.385526][ T72] ip6_dst_alloc+0x23/0x90 [ 4399.385526][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4399.385526][ T72] ip6_pol_route+0x56f/0x840 [ 4399.385526][ T72] fib6_rule_lookup+0x456/0x630 [ 4399.385526][ T72] ip6_route_input+0x59c/0xa50 [ 4399.385526][ T72] ipv6_rcv+0x397/0x810 [ 4399.385526][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4399.385526][ T72] process_backlog+0x101/0x620 [ 4399.385526][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4399.385526][ T72] net_rx_action+0x495/0xbe0 [ 4399.385526][ T72] __do_softirq+0x1b5/0x7f6 [ 4399.385526][ T72] [ 4399.387568][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4399.387568][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.387568][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.387568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.387568][ T72] ip6_route_add+0x1c/0x140 [ 4399.387568][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4399.387568][ T72] inet6_addr_add+0x4f8/0xa40 [ 4399.387568][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.387568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.387568][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.387568][ T72] netlink_unicast+0x449/0x710 [ 4399.387568][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.387568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.387568][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.387568][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.387568][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.387568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.387568][ T72] [ 4399.390100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4399.390100][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.390100][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.390100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.390100][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4399.390100][ T72] ipv6_add_addr+0x411/0x2000 [ 4399.390100][ T72] inet6_addr_add+0x30e/0xa40 [ 4399.390100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.390100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.390100][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.390100][ T72] netlink_unicast+0x449/0x710 [ 4399.390100][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.390100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.390100][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.390100][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.390100][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.390100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.390100][ T72] [ 4399.392539][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4399.392539][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.392539][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.392539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.392539][ T72] ip6_route_add+0x1c/0x140 [ 4399.392539][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4399.392539][ T72] addrconf_add_dev+0xe2/0x170 [ 4399.392539][ T72] inet6_addr_add+0x12f/0xa40 [ 4399.392539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.392539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.392539][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.392539][ T72] netlink_unicast+0x449/0x710 [ 4399.392539][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.392539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.392539][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.392539][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.392539][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.392539][ T72] [ 4399.395064][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4399.395064][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4399.395064][ T72] ipv6_find_idev+0x102/0x170 [ 4399.395064][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.395064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.395064][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.395064][ T72] netlink_unicast+0x449/0x710 [ 4399.395064][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.395064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.395064][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.395064][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.395064][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.395064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.395064][ T72] [ 4399.396999][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4399.396999][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4399.396999][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4399.396999][ T72] ipv6_find_idev+0x102/0x170 [ 4399.396999][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.396999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.396999][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.396999][ T72] netlink_unicast+0x449/0x710 [ 4399.396999][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.396999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.396999][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.396999][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.396999][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.396999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.396999][ T72] [ 4399.399080][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4399.399441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4399.399441][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.399441][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.399441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.399441][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4399.399441][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4399.399441][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4399.399441][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4399.399441][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4399.399441][ T72] addrconf_dad_begin+0x310/0x670 [ 4399.399441][ T72] addrconf_dad_work+0x10b/0xab0 [ 4399.399441][ T72] process_one_work+0x84d/0x18a0 [ 4399.399441][ T72] worker_thread+0x587/0xd30 [ 4399.399441][ T72] kthread+0x28a/0x350 [ 4399.399441][ T72] ret_from_fork+0x31/0x70 [ 4399.399441][ T72] ret_from_fork_asm+0x1a/0x30 [ 4399.399441][ T72] [ 4399.401720][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4399.401720][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.401720][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.401720][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.401720][ T72] ip6_route_add+0x1c/0x140 [ 4399.401720][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4399.401720][ T72] inet6_addr_add+0x4f8/0xa40 [ 4399.401720][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.401720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.401720][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.401720][ T72] netlink_unicast+0x449/0x710 [ 4399.401720][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.401720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.401720][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.401720][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.401720][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.401720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.401720][ T72] [ 4399.404216][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4399.404216][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.404216][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.404216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.404216][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4399.404216][ T72] ipv6_add_addr+0x411/0x2000 [ 4399.404216][ T72] inet6_addr_add+0x30e/0xa40 [ 4399.404216][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.404216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.404216][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.404216][ T72] netlink_unicast+0x449/0x710 [ 4399.404216][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.404216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.404216][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.404216][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.404216][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.404216][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.404216][ T72] [ 4399.406794][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4399.406794][ T72] netdev_get_by_index+0x5e/0x80 [ 4399.406794][ T72] fib6_nh_init+0x3d8/0x1580 [ 4399.406794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4399.406794][ T72] ip6_route_add+0x1c/0x140 [ 4399.406794][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4399.406794][ T72] addrconf_add_dev+0xe2/0x170 [ 4399.406794][ T72] inet6_addr_add+0x12f/0xa40 [ 4399.406794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4399.406794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.406794][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.406794][ T72] netlink_unicast+0x449/0x710 [ 4399.406794][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.406794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.406794][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.406794][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.406794][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.406794][ T72] [ 4399.409253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4399.409253][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4399.409253][ T72] ipv6_find_idev+0x102/0x170 [ 4399.409253][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.409253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.409253][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.409253][ T72] netlink_unicast+0x449/0x710 [ 4399.409253][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.409253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.409253][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.409253][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.409253][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.409253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.409253][ T72] [ 4399.411178][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4399.411178][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4399.411178][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4399.411178][ T72] ipv6_find_idev+0x102/0x170 [ 4399.411178][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4399.411178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4399.411178][ T72] netlink_rcv_skb+0x130/0x360 [ 4399.411178][ T72] netlink_unicast+0x449/0x710 [ 4399.411178][ T72] netlink_sendmsg+0x723/0xbe0 [ 4399.411178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4399.411178][ T72] ___sys_sendmsg+0xee/0x170 [ 4399.411178][ T72] __sys_sendmsg+0xcd/0x170 [ 4399.411178][ T72] do_syscall_64+0xc6/0x1e0 [ 4399.411178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4399.411178][ T72] [ 4409.648889][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4409.649445][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4409.649445][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4409.649445][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4409.649445][ T72] fib6_nh_init+0xa22/0x1580 [ 4409.649445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.649445][ T72] ip6_route_add+0x1c/0x140 [ 4409.649445][ T72] inet6_rtm_newroute+0x104/0x110 [ 4409.649445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.649445][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.649445][ T72] netlink_unicast+0x449/0x710 [ 4409.649445][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.649445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.649445][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.649445][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.649445][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.649445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.649445][ T72] [ 4409.651372][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4409.651372][ T72] dst_init+0x84/0x4a0 [ 4409.651372][ T72] dst_alloc+0x97/0x150 [ 4409.651372][ T72] ip6_dst_alloc+0x23/0x90 [ 4409.651372][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4409.651372][ T72] ip6_pol_route+0x56f/0x840 [ 4409.651372][ T72] fib6_rule_lookup+0x456/0x630 [ 4409.651372][ T72] ip6_route_input+0x59c/0xa50 [ 4409.651372][ T72] ipv6_rcv+0x397/0x810 [ 4409.651372][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4409.651372][ T72] process_backlog+0x101/0x620 [ 4409.651372][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4409.651372][ T72] net_rx_action+0x495/0xbe0 [ 4409.651372][ T72] __do_softirq+0x1b5/0x7f6 [ 4409.651372][ T72] [ 4409.653026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4409.653026][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.653026][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.653026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.653026][ T72] ip6_route_add+0x1c/0x140 [ 4409.653026][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4409.653026][ T72] inet6_addr_add+0x4f8/0xa40 [ 4409.653026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.653026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.653026][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.653026][ T72] netlink_unicast+0x449/0x710 [ 4409.653026][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.653026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.653026][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.653026][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.653026][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.653026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.653026][ T72] [ 4409.655034][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4409.655034][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.655034][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.655034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.655034][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4409.655034][ T72] ipv6_add_addr+0x411/0x2000 [ 4409.655034][ T72] inet6_addr_add+0x30e/0xa40 [ 4409.655034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.655034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.655034][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.655034][ T72] netlink_unicast+0x449/0x710 [ 4409.655034][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.655034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.655034][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.655034][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.655034][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.655034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.655034][ T72] [ 4409.657055][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4409.657055][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.657055][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.657055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.657055][ T72] ip6_route_add+0x1c/0x140 [ 4409.657055][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4409.657055][ T72] addrconf_add_dev+0xe2/0x170 [ 4409.657055][ T72] inet6_addr_add+0x12f/0xa40 [ 4409.657055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.657055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.657055][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.657055][ T72] netlink_unicast+0x449/0x710 [ 4409.657055][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.657055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.657055][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.657055][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.657055][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.657055][ T72] [ 4409.659039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4409.659039][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4409.659039][ T72] ipv6_find_idev+0x102/0x170 [ 4409.659039][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.659039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.659039][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.659039][ T72] netlink_unicast+0x449/0x710 [ 4409.659039][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.659039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.659039][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.659039][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.659039][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.659039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.659039][ T72] [ 4409.660595][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4409.660595][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4409.660595][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4409.660595][ T72] ipv6_find_idev+0x102/0x170 [ 4409.660595][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.660595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.660595][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.660595][ T72] netlink_unicast+0x449/0x710 [ 4409.660595][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.660595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.660595][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.660595][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.660595][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.660595][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.660595][ T72] [ 4409.662295][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4409.662577][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4409.662577][ T72] dst_init+0x84/0x4a0 [ 4409.662577][ T72] dst_alloc+0x97/0x150 [ 4409.662577][ T72] ip6_dst_alloc+0x23/0x90 [ 4409.662577][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4409.662577][ T72] ip6_pol_route+0x56f/0x840 [ 4409.662577][ T72] fib6_rule_lookup+0x456/0x630 [ 4409.662577][ T72] ip6_route_input+0x59c/0xa50 [ 4409.662577][ T72] ipv6_rcv+0x397/0x810 [ 4409.662577][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4409.662577][ T72] process_backlog+0x101/0x620 [ 4409.662577][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4409.662577][ T72] net_rx_action+0x495/0xbe0 [ 4409.662577][ T72] __do_softirq+0x1b5/0x7f6 [ 4409.662577][ T72] [ 4409.664238][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4409.664238][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.664238][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.664238][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.664238][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4409.664238][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4409.664238][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4409.664238][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4409.664238][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4409.664238][ T72] addrconf_dad_begin+0x310/0x670 [ 4409.664238][ T72] addrconf_dad_work+0x10b/0xab0 [ 4409.664238][ T72] process_one_work+0x84d/0x18a0 [ 4409.664238][ T72] worker_thread+0x587/0xd30 [ 4409.664238][ T72] kthread+0x28a/0x350 [ 4409.664238][ T72] ret_from_fork+0x31/0x70 [ 4409.664238][ T72] ret_from_fork_asm+0x1a/0x30 [ 4409.664238][ T72] [ 4409.666192][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4409.666192][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.666192][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.666192][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.666192][ T72] ip6_route_add+0x1c/0x140 [ 4409.666192][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4409.666192][ T72] inet6_addr_add+0x4f8/0xa40 [ 4409.666192][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.666192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.666192][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.666192][ T72] netlink_unicast+0x449/0x710 [ 4409.666192][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.666192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.666192][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.666192][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.666192][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.666192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.666192][ T72] [ 4409.668767][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4409.668767][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.668767][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.668767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.668767][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4409.668767][ T72] ipv6_add_addr+0x411/0x2000 [ 4409.668767][ T72] inet6_addr_add+0x30e/0xa40 [ 4409.668767][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.668767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.668767][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.668767][ T72] netlink_unicast+0x449/0x710 [ 4409.668767][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.668767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.668767][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.668767][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.668767][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.668767][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.668767][ T72] [ 4409.670790][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4409.670790][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.670790][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.670790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.670790][ T72] ip6_route_add+0x1c/0x140 [ 4409.670790][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4409.670790][ T72] addrconf_add_dev+0xe2/0x170 [ 4409.670790][ T72] inet6_addr_add+0x12f/0xa40 [ 4409.670790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.670790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.670790][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.670790][ T72] netlink_unicast+0x449/0x710 [ 4409.670790][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.670790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.670790][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.670790][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.670790][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.670790][ T72] [ 4409.672765][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4409.672765][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4409.672765][ T72] ipv6_find_idev+0x102/0x170 [ 4409.672765][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.672765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.672765][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.672765][ T72] netlink_unicast+0x449/0x710 [ 4409.672765][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.672765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.672765][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.672765][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.672765][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.672765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.672765][ T72] [ 4409.674333][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4409.674333][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4409.674333][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4409.674333][ T72] ipv6_find_idev+0x102/0x170 [ 4409.674333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.674333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.674333][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.674333][ T72] netlink_unicast+0x449/0x710 [ 4409.674333][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.674333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.674333][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.674333][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.674333][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.674333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.674333][ T72] [ 4409.676118][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4409.676476][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4409.676476][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4409.676476][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4409.676476][ T72] fib6_nh_init+0xa22/0x1580 [ 4409.676476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.676476][ T72] ip6_route_add+0x1c/0x140 [ 4409.676476][ T72] inet6_rtm_newroute+0x104/0x110 [ 4409.676476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.676476][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.676476][ T72] netlink_unicast+0x449/0x710 [ 4409.676476][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.676476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.676476][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.676476][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.676476][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.676476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.676476][ T72] [ 4409.678561][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4409.678561][ T72] dst_init+0x84/0x4a0 [ 4409.678561][ T72] dst_alloc+0x97/0x150 [ 4409.678561][ T72] ip6_dst_alloc+0x23/0x90 [ 4409.678561][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4409.678561][ T72] ip6_pol_route+0x56f/0x840 [ 4409.678561][ T72] fib6_rule_lookup+0x456/0x630 [ 4409.678561][ T72] ip6_route_input+0x59c/0xa50 [ 4409.678561][ T72] ipv6_rcv+0x397/0x810 [ 4409.678561][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4409.678561][ T72] process_backlog+0x101/0x620 [ 4409.678561][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4409.678561][ T72] net_rx_action+0x495/0xbe0 [ 4409.678561][ T72] __do_softirq+0x1b5/0x7f6 [ 4409.678561][ T72] [ 4409.680389][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4409.680389][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.680389][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.680389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.680389][ T72] ip6_route_add+0x1c/0x140 [ 4409.680389][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4409.680389][ T72] inet6_addr_add+0x4f8/0xa40 [ 4409.680389][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.680389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.680389][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.680389][ T72] netlink_unicast+0x449/0x710 [ 4409.680389][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.680389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.680389][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.680389][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.680389][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.680389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.680389][ T72] [ 4409.682651][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4409.682651][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.682651][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.682651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.682651][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4409.682651][ T72] ipv6_add_addr+0x411/0x2000 [ 4409.682651][ T72] inet6_addr_add+0x30e/0xa40 [ 4409.682651][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.682651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.682651][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.682651][ T72] netlink_unicast+0x449/0x710 [ 4409.682651][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.682651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.682651][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.682651][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.682651][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.682651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.682651][ T72] [ 4409.684917][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4409.684917][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.684917][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.684917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.684917][ T72] ip6_route_add+0x1c/0x140 [ 4409.684917][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4409.684917][ T72] addrconf_add_dev+0xe2/0x170 [ 4409.684917][ T72] inet6_addr_add+0x12f/0xa40 [ 4409.684917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.684917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.684917][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.684917][ T72] netlink_unicast+0x449/0x710 [ 4409.684917][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.684917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.684917][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.684917][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.684917][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.684917][ T72] [ 4409.687194][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4409.687194][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4409.687194][ T72] ipv6_find_idev+0x102/0x170 [ 4409.687194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.687194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.687194][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.687194][ T72] netlink_unicast+0x449/0x710 [ 4409.687194][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.687194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.687194][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.687194][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.687194][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.687194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.687194][ T72] [ 4409.688948][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4409.688948][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4409.688948][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4409.688948][ T72] ipv6_find_idev+0x102/0x170 [ 4409.688948][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.688948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.688948][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.688948][ T72] netlink_unicast+0x449/0x710 [ 4409.688948][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.688948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.688948][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.688948][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.688948][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.688948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.688948][ T72] [ 4409.690847][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4409.691142][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4409.691142][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.691142][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.691142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.691142][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4409.691142][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4409.691142][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4409.691142][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4409.691142][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4409.691142][ T72] addrconf_dad_begin+0x310/0x670 [ 4409.691142][ T72] addrconf_dad_work+0x10b/0xab0 [ 4409.691142][ T72] process_one_work+0x84d/0x18a0 [ 4409.691142][ T72] worker_thread+0x587/0xd30 [ 4409.691142][ T72] kthread+0x28a/0x350 [ 4409.691142][ T72] ret_from_fork+0x31/0x70 [ 4409.691142][ T72] ret_from_fork_asm+0x1a/0x30 [ 4409.691142][ T72] [ 4409.693701][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4409.693701][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.693701][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.693701][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.693701][ T72] ip6_route_add+0x1c/0x140 [ 4409.693701][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4409.693701][ T72] inet6_addr_add+0x4f8/0xa40 [ 4409.693701][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.693701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.693701][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.693701][ T72] netlink_unicast+0x449/0x710 [ 4409.693701][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.693701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.693701][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.693701][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.693701][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.693701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.693701][ T72] [ 4409.695957][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4409.695957][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.695957][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.695957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.695957][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4409.695957][ T72] ipv6_add_addr+0x411/0x2000 [ 4409.695957][ T72] inet6_addr_add+0x30e/0xa40 [ 4409.695957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.695957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.695957][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.695957][ T72] netlink_unicast+0x449/0x710 [ 4409.695957][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.695957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.695957][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.695957][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.695957][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.695957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.695957][ T72] [ 4409.698286][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4409.698286][ T72] netdev_get_by_index+0x5e/0x80 [ 4409.698286][ T72] fib6_nh_init+0x3d8/0x1580 [ 4409.698286][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4409.698286][ T72] ip6_route_add+0x1c/0x140 [ 4409.698286][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4409.698286][ T72] addrconf_add_dev+0xe2/0x170 [ 4409.698286][ T72] inet6_addr_add+0x12f/0xa40 [ 4409.698286][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.698286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.698286][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.698286][ T72] netlink_unicast+0x449/0x710 [ 4409.698286][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.698286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.698286][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.698286][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.698286][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.698286][ T72] [ 4409.700510][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4409.700510][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4409.700510][ T72] ipv6_find_idev+0x102/0x170 [ 4409.700510][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.700510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.700510][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.700510][ T72] netlink_unicast+0x449/0x710 [ 4409.700510][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.700510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.700510][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.700510][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.700510][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.700510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.700510][ T72] [ 4409.702195][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4409.702195][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4409.702195][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4409.702195][ T72] ipv6_find_idev+0x102/0x170 [ 4409.702195][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.702195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.702195][ T72] netlink_rcv_skb+0x130/0x360 [ 4409.702195][ T72] netlink_unicast+0x449/0x710 [ 4409.702195][ T72] netlink_sendmsg+0x723/0xbe0 [ 4409.702195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4409.702195][ T72] ___sys_sendmsg+0xee/0x170 [ 4409.702195][ T72] __sys_sendmsg+0xcd/0x170 [ 4409.702195][ T72] do_syscall_64+0xc6/0x1e0 [ 4409.702195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.702195][ T72] [ 4419.704912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4419.705395][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4419.705395][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4419.705395][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4419.705395][ T72] fib6_nh_init+0xa22/0x1580 [ 4419.705395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.705395][ T72] ip6_route_add+0x1c/0x140 [ 4419.705395][ T72] inet6_rtm_newroute+0x104/0x110 [ 4419.705395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.705395][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.705395][ T72] netlink_unicast+0x449/0x710 [ 4419.705395][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.705395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.705395][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.705395][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.705395][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.705395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.705395][ T72] [ 4419.707315][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4419.707315][ T72] dst_init+0x84/0x4a0 [ 4419.707315][ T72] dst_alloc+0x97/0x150 [ 4419.707315][ T72] ip6_dst_alloc+0x23/0x90 [ 4419.707315][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4419.707315][ T72] ip6_pol_route+0x56f/0x840 [ 4419.707315][ T72] fib6_rule_lookup+0x456/0x630 [ 4419.707315][ T72] ip6_route_input+0x59c/0xa50 [ 4419.707315][ T72] ipv6_rcv+0x397/0x810 [ 4419.707315][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4419.707315][ T72] process_backlog+0x101/0x620 [ 4419.707315][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4419.707315][ T72] net_rx_action+0x495/0xbe0 [ 4419.707315][ T72] __do_softirq+0x1b5/0x7f6 [ 4419.707315][ T72] [ 4419.708979][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4419.708979][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.708979][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.708979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.708979][ T72] ip6_route_add+0x1c/0x140 [ 4419.708979][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4419.708979][ T72] inet6_addr_add+0x4f8/0xa40 [ 4419.708979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.708979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.708979][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.708979][ T72] netlink_unicast+0x449/0x710 [ 4419.708979][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.708979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.708979][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.708979][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.708979][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.708979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.708979][ T72] [ 4419.710967][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4419.710967][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.710967][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.710967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.710967][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4419.710967][ T72] ipv6_add_addr+0x411/0x2000 [ 4419.710967][ T72] inet6_addr_add+0x30e/0xa40 [ 4419.710967][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.710967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.710967][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.710967][ T72] netlink_unicast+0x449/0x710 [ 4419.710967][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.710967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.710967][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.710967][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.710967][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.710967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.710967][ T72] [ 4419.712981][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4419.712981][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.712981][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.712981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.712981][ T72] ip6_route_add+0x1c/0x140 [ 4419.712981][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4419.712981][ T72] addrconf_add_dev+0xe2/0x170 [ 4419.712981][ T72] inet6_addr_add+0x12f/0xa40 [ 4419.712981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.712981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.712981][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.712981][ T72] netlink_unicast+0x449/0x710 [ 4419.712981][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.712981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.712981][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.712981][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.712981][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.712981][ T72] [ 4419.714938][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4419.714938][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4419.714938][ T72] ipv6_find_idev+0x102/0x170 [ 4419.714938][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.714938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.714938][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.714938][ T72] netlink_unicast+0x449/0x710 [ 4419.714938][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.714938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.714938][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.714938][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.714938][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.714938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.714938][ T72] [ 4419.716483][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4419.716483][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4419.716483][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4419.716483][ T72] ipv6_find_idev+0x102/0x170 [ 4419.716483][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.716483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.716483][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.716483][ T72] netlink_unicast+0x449/0x710 [ 4419.716483][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.716483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.716483][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.716483][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.716483][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.716483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.716483][ T72] [ 4419.718200][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4419.718469][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4419.718469][ T72] dst_init+0x84/0x4a0 [ 4419.718469][ T72] dst_alloc+0x97/0x150 [ 4419.718469][ T72] ip6_dst_alloc+0x23/0x90 [ 4419.718469][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4419.718469][ T72] ip6_pol_route+0x56f/0x840 [ 4419.718469][ T72] fib6_rule_lookup+0x456/0x630 [ 4419.718469][ T72] ip6_route_input+0x59c/0xa50 [ 4419.718469][ T72] ipv6_rcv+0x397/0x810 [ 4419.718469][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4419.718469][ T72] process_backlog+0x101/0x620 [ 4419.718469][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4419.718469][ T72] net_rx_action+0x495/0xbe0 [ 4419.718469][ T72] __do_softirq+0x1b5/0x7f6 [ 4419.718469][ T72] [ 4419.720147][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4419.720147][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.720147][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.720147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.720147][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4419.720147][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4419.720147][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4419.720147][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4419.720147][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4419.720147][ T72] addrconf_dad_begin+0x310/0x670 [ 4419.720147][ T72] addrconf_dad_work+0x10b/0xab0 [ 4419.720147][ T72] process_one_work+0x84d/0x18a0 [ 4419.720147][ T72] worker_thread+0x587/0xd30 [ 4419.720147][ T72] kthread+0x28a/0x350 [ 4419.720147][ T72] ret_from_fork+0x31/0x70 [ 4419.720147][ T72] ret_from_fork_asm+0x1a/0x30 [ 4419.720147][ T72] [ 4419.722033][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4419.722033][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.722033][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.722033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.722033][ T72] ip6_route_add+0x1c/0x140 [ 4419.722033][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4419.722033][ T72] inet6_addr_add+0x4f8/0xa40 [ 4419.722033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.722033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.722033][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.722033][ T72] netlink_unicast+0x449/0x710 [ 4419.722033][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.722033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.722033][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.722033][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.722033][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.722033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.722033][ T72] [ 4419.724040][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4419.724040][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.724040][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.724040][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.724040][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4419.724040][ T72] ipv6_add_addr+0x411/0x2000 [ 4419.724040][ T72] inet6_addr_add+0x30e/0xa40 [ 4419.724040][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.724040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.724040][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.724040][ T72] netlink_unicast+0x449/0x710 [ 4419.724040][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.724040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.724040][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.724040][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.724040][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.724040][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.724040][ T72] [ 4419.726049][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4419.726049][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.726049][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.726049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.726049][ T72] ip6_route_add+0x1c/0x140 [ 4419.726049][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4419.726049][ T72] addrconf_add_dev+0xe2/0x170 [ 4419.726049][ T72] inet6_addr_add+0x12f/0xa40 [ 4419.726049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.726049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.726049][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.726049][ T72] netlink_unicast+0x449/0x710 [ 4419.726049][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.726049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.726049][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.726049][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.726049][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.726049][ T72] [ 4419.728029][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4419.728029][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4419.728029][ T72] ipv6_find_idev+0x102/0x170 [ 4419.728029][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.728029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.728029][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.728029][ T72] netlink_unicast+0x449/0x710 [ 4419.728029][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.728029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.728029][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.728029][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.728029][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.728029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.728029][ T72] [ 4419.729603][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4419.729603][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4419.729603][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4419.729603][ T72] ipv6_find_idev+0x102/0x170 [ 4419.729603][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.729603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.729603][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.729603][ T72] netlink_unicast+0x449/0x710 [ 4419.729603][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.729603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.729603][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.729603][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.729603][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.729603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.729603][ T72] [ 4419.731366][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4419.731712][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4419.731712][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4419.731712][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4419.731712][ T72] fib6_nh_init+0xa22/0x1580 [ 4419.731712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.731712][ T72] ip6_route_add+0x1c/0x140 [ 4419.731712][ T72] inet6_rtm_newroute+0x104/0x110 [ 4419.731712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.731712][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.731712][ T72] netlink_unicast+0x449/0x710 [ 4419.731712][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.731712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.731712][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.731712][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.731712][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.731712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.731712][ T72] [ 4419.733781][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4419.733781][ T72] dst_init+0x84/0x4a0 [ 4419.733781][ T72] dst_alloc+0x97/0x150 [ 4419.733781][ T72] ip6_dst_alloc+0x23/0x90 [ 4419.733781][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4419.733781][ T72] ip6_pol_route+0x56f/0x840 [ 4419.733781][ T72] fib6_rule_lookup+0x456/0x630 [ 4419.733781][ T72] ip6_route_input+0x59c/0xa50 [ 4419.733781][ T72] ipv6_rcv+0x397/0x810 [ 4419.733781][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4419.733781][ T72] process_backlog+0x101/0x620 [ 4419.733781][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4419.733781][ T72] net_rx_action+0x495/0xbe0 [ 4419.733781][ T72] __do_softirq+0x1b5/0x7f6 [ 4419.733781][ T72] [ 4419.735628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4419.735628][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.735628][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.735628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.735628][ T72] ip6_route_add+0x1c/0x140 [ 4419.735628][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4419.735628][ T72] inet6_addr_add+0x4f8/0xa40 [ 4419.735628][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.735628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.735628][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.735628][ T72] netlink_unicast+0x449/0x710 [ 4419.735628][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.735628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.735628][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.735628][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.735628][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.735628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.735628][ T72] [ 4419.737879][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4419.737879][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.737879][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.737879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.737879][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4419.737879][ T72] ipv6_add_addr+0x411/0x2000 [ 4419.737879][ T72] inet6_addr_add+0x30e/0xa40 [ 4419.737879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.737879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.737879][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.737879][ T72] netlink_unicast+0x449/0x710 [ 4419.737879][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.737879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.737879][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.737879][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.737879][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.737879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.737879][ T72] [ 4419.740128][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4419.740128][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.740128][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.740128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.740128][ T72] ip6_route_add+0x1c/0x140 [ 4419.740128][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4419.740128][ T72] addrconf_add_dev+0xe2/0x170 [ 4419.740128][ T72] inet6_addr_add+0x12f/0xa40 [ 4419.740128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.740128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.740128][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.740128][ T72] netlink_unicast+0x449/0x710 [ 4419.740128][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.740128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.740128][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.740128][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.740128][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.740128][ T72] [ 4419.742404][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4419.742404][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4419.742404][ T72] ipv6_find_idev+0x102/0x170 [ 4419.742404][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.742404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.742404][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.742404][ T72] netlink_unicast+0x449/0x710 [ 4419.742404][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.742404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.742404][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.742404][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.742404][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.742404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.742404][ T72] [ 4419.744129][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4419.744129][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4419.744129][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4419.744129][ T72] ipv6_find_idev+0x102/0x170 [ 4419.744129][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.744129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.744129][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.744129][ T72] netlink_unicast+0x449/0x710 [ 4419.744129][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.744129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.744129][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.744129][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.744129][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.744129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.744129][ T72] [ 4419.746038][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4419.746315][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4419.746315][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.746315][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.746315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.746315][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4419.746315][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4419.746315][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4419.746315][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4419.746315][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4419.746315][ T72] addrconf_dad_begin+0x310/0x670 [ 4419.746315][ T72] addrconf_dad_work+0x10b/0xab0 [ 4419.746315][ T72] process_one_work+0x84d/0x18a0 [ 4419.746315][ T72] worker_thread+0x587/0xd30 [ 4419.746315][ T72] kthread+0x28a/0x350 [ 4419.746315][ T72] ret_from_fork+0x31/0x70 [ 4419.746315][ T72] ret_from_fork_asm+0x1a/0x30 [ 4419.746315][ T72] [ 4419.748478][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4419.748478][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.748478][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.748478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.748478][ T72] ip6_route_add+0x1c/0x140 [ 4419.748478][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4419.748478][ T72] inet6_addr_add+0x4f8/0xa40 [ 4419.748478][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.748478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.748478][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.748478][ T72] netlink_unicast+0x449/0x710 [ 4419.748478][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.748478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.748478][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.748478][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.748478][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.748478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.748478][ T72] [ 4419.750716][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4419.750716][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.750716][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.750716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.750716][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4419.750716][ T72] ipv6_add_addr+0x411/0x2000 [ 4419.750716][ T72] inet6_addr_add+0x30e/0xa40 [ 4419.750716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.750716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.750716][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.750716][ T72] netlink_unicast+0x449/0x710 [ 4419.750716][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.750716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.750716][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.750716][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.750716][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.750716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.750716][ T72] [ 4419.753051][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4419.753051][ T72] netdev_get_by_index+0x5e/0x80 [ 4419.753051][ T72] fib6_nh_init+0x3d8/0x1580 [ 4419.753051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4419.753051][ T72] ip6_route_add+0x1c/0x140 [ 4419.753051][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4419.753051][ T72] addrconf_add_dev+0xe2/0x170 [ 4419.753051][ T72] inet6_addr_add+0x12f/0xa40 [ 4419.753051][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.753051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.753051][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.753051][ T72] netlink_unicast+0x449/0x710 [ 4419.753051][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.753051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.753051][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.753051][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.753051][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.753051][ T72] [ 4419.755253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4419.755253][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4419.755253][ T72] ipv6_find_idev+0x102/0x170 [ 4419.755253][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.755253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.755253][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.755253][ T72] netlink_unicast+0x449/0x710 [ 4419.755253][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.755253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.755253][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.755253][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.755253][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.755253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.755253][ T72] [ 4419.757071][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4419.757071][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4419.757071][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4419.757071][ T72] ipv6_find_idev+0x102/0x170 [ 4419.757071][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.757071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.757071][ T72] netlink_rcv_skb+0x130/0x360 [ 4419.757071][ T72] netlink_unicast+0x449/0x710 [ 4419.757071][ T72] netlink_sendmsg+0x723/0xbe0 [ 4419.757071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4419.757071][ T72] ___sys_sendmsg+0xee/0x170 [ 4419.757071][ T72] __sys_sendmsg+0xcd/0x170 [ 4419.757071][ T72] do_syscall_64+0xc6/0x1e0 [ 4419.757071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.757071][ T72] [ 4429.816911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4429.817629][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4429.817629][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4429.817629][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4429.817629][ T72] fib6_nh_init+0xa22/0x1580 [ 4429.817629][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.817629][ T72] ip6_route_add+0x1c/0x140 [ 4429.817629][ T72] inet6_rtm_newroute+0x104/0x110 [ 4429.817629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.817629][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.817629][ T72] netlink_unicast+0x449/0x710 [ 4429.817629][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.817629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.817629][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.817629][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.817629][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.817629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.817629][ T72] [ 4429.820442][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4429.820442][ T72] dst_init+0x84/0x4a0 [ 4429.820442][ T72] dst_alloc+0x97/0x150 [ 4429.820442][ T72] ip6_dst_alloc+0x23/0x90 [ 4429.820442][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4429.820442][ T72] ip6_pol_route+0x56f/0x840 [ 4429.820442][ T72] fib6_rule_lookup+0x456/0x630 [ 4429.820442][ T72] ip6_route_input+0x59c/0xa50 [ 4429.820442][ T72] ipv6_rcv+0x397/0x810 [ 4429.820442][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4429.820442][ T72] process_backlog+0x101/0x620 [ 4429.820442][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4429.820442][ T72] net_rx_action+0x495/0xbe0 [ 4429.820442][ T72] __do_softirq+0x1b5/0x7f6 [ 4429.820442][ T72] [ 4429.822805][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4429.822805][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.822805][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.822805][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.822805][ T72] ip6_route_add+0x1c/0x140 [ 4429.822805][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4429.822805][ T72] inet6_addr_add+0x4f8/0xa40 [ 4429.822805][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.822805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.822805][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.822805][ T72] netlink_unicast+0x449/0x710 [ 4429.822805][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.822805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.822805][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.822805][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.822805][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.822805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.822805][ T72] [ 4429.825769][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4429.825769][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.825769][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.825769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.825769][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4429.825769][ T72] ipv6_add_addr+0x411/0x2000 [ 4429.825769][ T72] inet6_addr_add+0x30e/0xa40 [ 4429.825769][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.825769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.825769][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.825769][ T72] netlink_unicast+0x449/0x710 [ 4429.825769][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.825769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.825769][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.825769][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.825769][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.825769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.825769][ T72] [ 4429.828525][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4429.828525][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.828525][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.828525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.828525][ T72] ip6_route_add+0x1c/0x140 [ 4429.828525][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4429.828525][ T72] addrconf_add_dev+0xe2/0x170 [ 4429.828525][ T72] inet6_addr_add+0x12f/0xa40 [ 4429.828525][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.828525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.828525][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.828525][ T72] netlink_unicast+0x449/0x710 [ 4429.828525][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.828525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.828525][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.828525][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.828525][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.828525][ T72] [ 4429.831379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4429.831379][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4429.831379][ T72] ipv6_find_idev+0x102/0x170 [ 4429.831379][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.831379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.831379][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.831379][ T72] netlink_unicast+0x449/0x710 [ 4429.831379][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.831379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.831379][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.831379][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.831379][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.831379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.831379][ T72] [ 4429.833849][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4429.833849][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4429.833849][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4429.833849][ T72] ipv6_find_idev+0x102/0x170 [ 4429.833849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.833849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.833849][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.833849][ T72] netlink_unicast+0x449/0x710 [ 4429.833849][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.833849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.833849][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.833849][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.833849][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.833849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.833849][ T72] [ 4429.836313][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4429.836678][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4429.836678][ T72] dst_init+0x84/0x4a0 [ 4429.836678][ T72] dst_alloc+0x97/0x150 [ 4429.836678][ T72] ip6_dst_alloc+0x23/0x90 [ 4429.836678][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4429.836678][ T72] ip6_pol_route+0x56f/0x840 [ 4429.836678][ T72] fib6_rule_lookup+0x456/0x630 [ 4429.836678][ T72] ip6_route_input+0x59c/0xa50 [ 4429.836678][ T72] ipv6_rcv+0x397/0x810 [ 4429.836678][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4429.836678][ T72] process_backlog+0x101/0x620 [ 4429.836678][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4429.836678][ T72] net_rx_action+0x495/0xbe0 [ 4429.836678][ T72] __do_softirq+0x1b5/0x7f6 [ 4429.836678][ T72] [ 4429.839025][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4429.839025][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.839025][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.839025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.839025][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4429.839025][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4429.839025][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4429.839025][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4429.839025][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4429.839025][ T72] addrconf_dad_begin+0x310/0x670 [ 4429.839025][ T72] addrconf_dad_work+0x10b/0xab0 [ 4429.839025][ T72] process_one_work+0x84d/0x18a0 [ 4429.839025][ T72] worker_thread+0x587/0xd30 [ 4429.839025][ T72] kthread+0x28a/0x350 [ 4429.839025][ T72] ret_from_fork+0x31/0x70 [ 4429.839025][ T72] ret_from_fork_asm+0x1a/0x30 [ 4429.839025][ T72] [ 4429.841680][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4429.841680][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.841680][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.841680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.841680][ T72] ip6_route_add+0x1c/0x140 [ 4429.841680][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4429.841680][ T72] inet6_addr_add+0x4f8/0xa40 [ 4429.841680][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.841680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.841680][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.841680][ T72] netlink_unicast+0x449/0x710 [ 4429.841680][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.841680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.841680][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.841680][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.841680][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.841680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.841680][ T72] [ 4429.844705][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4429.844705][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.844705][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.844705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.844705][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4429.844705][ T72] ipv6_add_addr+0x411/0x2000 [ 4429.844705][ T72] inet6_addr_add+0x30e/0xa40 [ 4429.844705][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.844705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.844705][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.844705][ T72] netlink_unicast+0x449/0x710 [ 4429.844705][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.844705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.844705][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.844705][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.844705][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.844705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.844705][ T72] [ 4429.847470][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4429.847470][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.847470][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.847470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.847470][ T72] ip6_route_add+0x1c/0x140 [ 4429.847470][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4429.847470][ T72] addrconf_add_dev+0xe2/0x170 [ 4429.847470][ T72] inet6_addr_add+0x12f/0xa40 [ 4429.847470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.847470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.847470][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.847470][ T72] netlink_unicast+0x449/0x710 [ 4429.847470][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.847470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.847470][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.847470][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.847470][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.847470][ T72] [ 4429.850159][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4429.850159][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4429.850159][ T72] ipv6_find_idev+0x102/0x170 [ 4429.850159][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.850159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.850159][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.850159][ T72] netlink_unicast+0x449/0x710 [ 4429.850159][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.850159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.850159][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.850159][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.850159][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.850159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.850159][ T72] [ 4429.852179][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4429.852179][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4429.852179][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4429.852179][ T72] ipv6_find_idev+0x102/0x170 [ 4429.852179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.852179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.852179][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.852179][ T72] netlink_unicast+0x449/0x710 [ 4429.852179][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.852179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.852179][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.852179][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.852179][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.852179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.852179][ T72] [ 4429.854611][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4429.855013][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4429.855013][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4429.855013][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4429.855013][ T72] fib6_nh_init+0xa22/0x1580 [ 4429.855013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.855013][ T72] ip6_route_add+0x1c/0x140 [ 4429.855013][ T72] inet6_rtm_newroute+0x104/0x110 [ 4429.855013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.855013][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.855013][ T72] netlink_unicast+0x449/0x710 [ 4429.855013][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.855013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.855013][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.855013][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.855013][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.855013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.855013][ T72] [ 4429.857932][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4429.857932][ T72] dst_init+0x84/0x4a0 [ 4429.857932][ T72] dst_alloc+0x97/0x150 [ 4429.857932][ T72] ip6_dst_alloc+0x23/0x90 [ 4429.857932][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4429.857932][ T72] ip6_pol_route+0x56f/0x840 [ 4429.857932][ T72] fib6_rule_lookup+0x456/0x630 [ 4429.857932][ T72] ip6_route_input+0x59c/0xa50 [ 4429.857932][ T72] ipv6_rcv+0x397/0x810 [ 4429.857932][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4429.857932][ T72] process_backlog+0x101/0x620 [ 4429.857932][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4429.857932][ T72] net_rx_action+0x495/0xbe0 [ 4429.857932][ T72] __do_softirq+0x1b5/0x7f6 [ 4429.857932][ T72] [ 4429.860454][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4429.860454][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.860454][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.860454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.860454][ T72] ip6_route_add+0x1c/0x140 [ 4429.860454][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4429.860454][ T72] inet6_addr_add+0x4f8/0xa40 [ 4429.860454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.860454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.860454][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.860454][ T72] netlink_unicast+0x449/0x710 [ 4429.860454][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.860454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.860454][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.860454][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.860454][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.860454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.860454][ T72] [ 4429.863415][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4429.863415][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.863415][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.863415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.863415][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4429.863415][ T72] ipv6_add_addr+0x411/0x2000 [ 4429.863415][ T72] inet6_addr_add+0x30e/0xa40 [ 4429.863415][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.863415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.863415][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.863415][ T72] netlink_unicast+0x449/0x710 [ 4429.863415][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.863415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.863415][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.863415][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.863415][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.863415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.863415][ T72] [ 4429.866506][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4429.866506][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.866506][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.866506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.866506][ T72] ip6_route_add+0x1c/0x140 [ 4429.866506][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4429.866506][ T72] addrconf_add_dev+0xe2/0x170 [ 4429.866506][ T72] inet6_addr_add+0x12f/0xa40 [ 4429.866506][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.866506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.866506][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.866506][ T72] netlink_unicast+0x449/0x710 [ 4429.866506][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.866506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.866506][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.866506][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.866506][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.866506][ T72] [ 4429.869555][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4429.869555][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4429.869555][ T72] ipv6_find_idev+0x102/0x170 [ 4429.869555][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.869555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.869555][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.869555][ T72] netlink_unicast+0x449/0x710 [ 4429.869555][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.869555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.869555][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.869555][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.869555][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.869555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.869555][ T72] [ 4429.871909][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4429.871909][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4429.871909][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4429.871909][ T72] ipv6_find_idev+0x102/0x170 [ 4429.871909][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.871909][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.871909][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.871909][ T72] netlink_unicast+0x449/0x710 [ 4429.871909][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.871909][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.871909][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.871909][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.871909][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.871909][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.871909][ T72] [ 4429.876118][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4429.876578][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4429.876578][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.876578][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.876578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.876578][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4429.876578][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4429.876578][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4429.876578][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4429.876578][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4429.876578][ T72] addrconf_dad_begin+0x310/0x670 [ 4429.876578][ T72] addrconf_dad_work+0x10b/0xab0 [ 4429.876578][ T72] process_one_work+0x84d/0x18a0 [ 4429.876578][ T72] worker_thread+0x587/0xd30 [ 4429.876578][ T72] kthread+0x28a/0x350 [ 4429.876578][ T72] ret_from_fork+0x31/0x70 [ 4429.876578][ T72] ret_from_fork_asm+0x1a/0x30 [ 4429.876578][ T72] [ 4429.880284][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4429.880284][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.880284][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.880284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.880284][ T72] ip6_route_add+0x1c/0x140 [ 4429.880284][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4429.880284][ T72] inet6_addr_add+0x4f8/0xa40 [ 4429.880284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.880284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.880284][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.880284][ T72] netlink_unicast+0x449/0x710 [ 4429.880284][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.880284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.880284][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.880284][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.880284][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.880284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.880284][ T72] [ 4429.883638][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4429.883638][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.883638][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.883638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.883638][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4429.883638][ T72] ipv6_add_addr+0x411/0x2000 [ 4429.883638][ T72] inet6_addr_add+0x30e/0xa40 [ 4429.883638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.883638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.883638][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.883638][ T72] netlink_unicast+0x449/0x710 [ 4429.883638][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.883638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.883638][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.883638][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.883638][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.883638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.883638][ T72] [ 4429.888317][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4429.888317][ T72] netdev_get_by_index+0x5e/0x80 [ 4429.888317][ T72] fib6_nh_init+0x3d8/0x1580 [ 4429.888317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4429.888317][ T72] ip6_route_add+0x1c/0x140 [ 4429.888317][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4429.888317][ T72] addrconf_add_dev+0xe2/0x170 [ 4429.888317][ T72] inet6_addr_add+0x12f/0xa40 [ 4429.888317][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.888317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.888317][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.888317][ T72] netlink_unicast+0x449/0x710 [ 4429.888317][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.888317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.888317][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.888317][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.888317][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.888317][ T72] [ 4429.891650][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4429.891650][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4429.891650][ T72] ipv6_find_idev+0x102/0x170 [ 4429.891650][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.891650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.891650][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.891650][ T72] netlink_unicast+0x449/0x710 [ 4429.891650][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.891650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.891650][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.891650][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.891650][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.891650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.891650][ T72] [ 4429.894003][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4429.894003][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4429.894003][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4429.894003][ T72] ipv6_find_idev+0x102/0x170 [ 4429.894003][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.894003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.894003][ T72] netlink_rcv_skb+0x130/0x360 [ 4429.894003][ T72] netlink_unicast+0x449/0x710 [ 4429.894003][ T72] netlink_sendmsg+0x723/0xbe0 [ 4429.894003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4429.894003][ T72] ___sys_sendmsg+0xee/0x170 [ 4429.894003][ T72] __sys_sendmsg+0xcd/0x170 [ 4429.894003][ T72] do_syscall_64+0xc6/0x1e0 [ 4429.894003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.894003][ T72] [ 4440.096901][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4440.097399][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4440.097399][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4440.097399][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4440.097399][ T72] fib6_nh_init+0xa22/0x1580 [ 4440.097399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.097399][ T72] ip6_route_add+0x1c/0x140 [ 4440.097399][ T72] inet6_rtm_newroute+0x104/0x110 [ 4440.097399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.097399][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.097399][ T72] netlink_unicast+0x449/0x710 [ 4440.097399][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.097399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.097399][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.097399][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.097399][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.097399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.097399][ T72] [ 4440.099509][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4440.099509][ T72] dst_init+0x84/0x4a0 [ 4440.099509][ T72] dst_alloc+0x97/0x150 [ 4440.099509][ T72] ip6_dst_alloc+0x23/0x90 [ 4440.099509][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4440.099509][ T72] ip6_pol_route+0x56f/0x840 [ 4440.099509][ T72] fib6_rule_lookup+0x456/0x630 [ 4440.099509][ T72] ip6_route_input+0x59c/0xa50 [ 4440.099509][ T72] ipv6_rcv+0x397/0x810 [ 4440.099509][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4440.099509][ T72] process_backlog+0x101/0x620 [ 4440.099509][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4440.099509][ T72] net_rx_action+0x495/0xbe0 [ 4440.099509][ T72] __do_softirq+0x1b5/0x7f6 [ 4440.099509][ T72] [ 4440.101324][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4440.101324][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.101324][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.101324][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.101324][ T72] ip6_route_add+0x1c/0x140 [ 4440.101324][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4440.101324][ T72] inet6_addr_add+0x4f8/0xa40 [ 4440.101324][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.101324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.101324][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.101324][ T72] netlink_unicast+0x449/0x710 [ 4440.101324][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.101324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.101324][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.101324][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.101324][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.101324][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.101324][ T72] [ 4440.103959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4440.103959][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.103959][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.103959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.103959][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4440.103959][ T72] ipv6_add_addr+0x411/0x2000 [ 4440.103959][ T72] inet6_addr_add+0x30e/0xa40 [ 4440.103959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.103959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.103959][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.103959][ T72] netlink_unicast+0x449/0x710 [ 4440.103959][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.103959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.103959][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.103959][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.103959][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.103959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.103959][ T72] [ 4440.106176][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4440.106176][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.106176][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.106176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.106176][ T72] ip6_route_add+0x1c/0x140 [ 4440.106176][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4440.106176][ T72] addrconf_add_dev+0xe2/0x170 [ 4440.106176][ T72] inet6_addr_add+0x12f/0xa40 [ 4440.106176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.106176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.106176][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.106176][ T72] netlink_unicast+0x449/0x710 [ 4440.106176][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.106176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.106176][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.106176][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.106176][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.106176][ T72] [ 4440.108713][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4440.108713][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4440.108713][ T72] ipv6_find_idev+0x102/0x170 [ 4440.108713][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4440.108713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.108713][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.108713][ T72] netlink_unicast+0x449/0x710 [ 4440.108713][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.108713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.108713][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.108713][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.108713][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.108713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.108713][ T72] [ 4440.110411][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4440.110411][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4440.110411][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4440.110411][ T72] ipv6_find_idev+0x102/0x170 [ 4440.110411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4440.110411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.110411][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.110411][ T72] netlink_unicast+0x449/0x710 [ 4440.110411][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.110411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.110411][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.110411][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.110411][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.110411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.110411][ T72] [ 4440.112270][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4440.112560][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4440.112560][ T72] dst_init+0x84/0x4a0 [ 4440.112560][ T72] dst_alloc+0x97/0x150 [ 4440.112560][ T72] ip6_dst_alloc+0x23/0x90 [ 4440.112560][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4440.112560][ T72] ip6_pol_route+0x56f/0x840 [ 4440.112560][ T72] fib6_rule_lookup+0x456/0x630 [ 4440.112560][ T72] ip6_route_input+0x59c/0xa50 [ 4440.112560][ T72] ipv6_rcv+0x397/0x810 [ 4440.112560][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4440.112560][ T72] process_backlog+0x101/0x620 [ 4440.112560][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4440.112560][ T72] net_rx_action+0x495/0xbe0 [ 4440.112560][ T72] __do_softirq+0x1b5/0x7f6 [ 4440.112560][ T72] [ 4440.114372][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4440.114372][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.114372][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.114372][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.114372][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4440.114372][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4440.114372][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4440.114372][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4440.114372][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4440.114372][ T72] addrconf_dad_begin+0x310/0x670 [ 4440.114372][ T72] addrconf_dad_work+0x10b/0xab0 [ 4440.114372][ T72] process_one_work+0x84d/0x18a0 [ 4440.114372][ T72] worker_thread+0x587/0xd30 [ 4440.114372][ T72] kthread+0x28a/0x350 [ 4440.114372][ T72] ret_from_fork+0x31/0x70 [ 4440.114372][ T72] ret_from_fork_asm+0x1a/0x30 [ 4440.114372][ T72] [ 4440.116469][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4440.116469][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.116469][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.116469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.116469][ T72] ip6_route_add+0x1c/0x140 [ 4440.116469][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4440.116469][ T72] inet6_addr_add+0x4f8/0xa40 [ 4440.116469][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.116469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.116469][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.116469][ T72] netlink_unicast+0x449/0x710 [ 4440.116469][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.116469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.116469][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.116469][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.116469][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.116469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.116469][ T72] [ 4440.118700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4440.118700][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.118700][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.118700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.118700][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4440.118700][ T72] ipv6_add_addr+0x411/0x2000 [ 4440.118700][ T72] inet6_addr_add+0x30e/0xa40 [ 4440.118700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.118700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.118700][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.118700][ T72] netlink_unicast+0x449/0x710 [ 4440.118700][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.118700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.118700][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.118700][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.118700][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.118700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.118700][ T72] [ 4440.120924][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4440.120924][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.120924][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.120924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.120924][ T72] ip6_route_add+0x1c/0x140 [ 4440.120924][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4440.120924][ T72] addrconf_add_dev+0xe2/0x170 [ 4440.120924][ T72] inet6_addr_add+0x12f/0xa40 [ 4440.120924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.120924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.120924][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.120924][ T72] netlink_unicast+0x449/0x710 [ 4440.120924][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.120924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.120924][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.120924][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.120924][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.120924][ T72] [ 4440.123094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4440.123094][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4440.123094][ T72] ipv6_find_idev+0x102/0x170 [ 4440.123094][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4440.123094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.123094][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.123094][ T72] netlink_unicast+0x449/0x710 [ 4440.123094][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.123094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.123094][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.123094][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.123094][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.123094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.123094][ T72] [ 4440.124795][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4440.124795][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4440.124795][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4440.124795][ T72] ipv6_find_idev+0x102/0x170 [ 4440.124795][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4440.124795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.124795][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.124795][ T72] netlink_unicast+0x449/0x710 [ 4440.124795][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.124795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.124795][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.124795][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.124795][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.124795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.124795][ T72] [ 4440.126760][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4440.127056][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4440.127056][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4440.127056][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4440.127056][ T72] fib6_nh_init+0xa22/0x1580 [ 4440.127056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.127056][ T72] ip6_route_add+0x1c/0x140 [ 4440.127056][ T72] inet6_rtm_newroute+0x104/0x110 [ 4440.127056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.127056][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.127056][ T72] netlink_unicast+0x449/0x710 [ 4440.127056][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.127056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.127056][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.127056][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.127056][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.127056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.127056][ T72] [ 4440.129390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4440.129390][ T72] dst_init+0x84/0x4a0 [ 4440.129390][ T72] dst_alloc+0x97/0x150 [ 4440.129390][ T72] ip6_dst_alloc+0x23/0x90 [ 4440.129390][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4440.129390][ T72] ip6_pol_route+0x56f/0x840 [ 4440.129390][ T72] fib6_rule_lookup+0x456/0x630 [ 4440.129390][ T72] ip6_route_input+0x59c/0xa50 [ 4440.129390][ T72] ipv6_rcv+0x397/0x810 [ 4440.129390][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4440.129390][ T72] process_backlog+0x101/0x620 [ 4440.129390][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4440.129390][ T72] net_rx_action+0x495/0xbe0 [ 4440.129390][ T72] __do_softirq+0x1b5/0x7f6 [ 4440.129390][ T72] [ 4440.131446][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4440.131446][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.131446][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.131446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.131446][ T72] ip6_route_add+0x1c/0x140 [ 4440.131446][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4440.131446][ T72] inet6_addr_add+0x4f8/0xa40 [ 4440.131446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.131446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.131446][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.131446][ T72] netlink_unicast+0x449/0x710 [ 4440.131446][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.131446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.131446][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.131446][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.131446][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.131446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.131446][ T72] [ 4440.133826][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4440.133826][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.133826][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.133826][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.133826][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4440.133826][ T72] ipv6_add_addr+0x411/0x2000 [ 4440.133826][ T72] inet6_addr_add+0x30e/0xa40 [ 4440.133826][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.133826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.133826][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.133826][ T72] netlink_unicast+0x449/0x710 [ 4440.133826][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.133826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.133826][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.133826][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.133826][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.133826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.133826][ T72] [ 4440.136306][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4440.136306][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.136306][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.136306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.136306][ T72] ip6_route_add+0x1c/0x140 [ 4440.136306][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4440.136306][ T72] addrconf_add_dev+0xe2/0x170 [ 4440.136306][ T72] inet6_addr_add+0x12f/0xa40 [ 4440.136306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.136306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.136306][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.136306][ T72] netlink_unicast+0x449/0x710 [ 4440.136306][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.136306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.136306][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.136306][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.136306][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.136306][ T72] [ 4440.138737][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4440.138737][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4440.138737][ T72] ipv6_find_idev+0x102/0x170 [ 4440.138737][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4440.138737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.138737][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.138737][ T72] netlink_unicast+0x449/0x710 [ 4440.138737][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.138737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.138737][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.138737][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.138737][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.138737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.138737][ T72] [ 4440.140601][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4440.140601][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4440.140601][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4440.140601][ T72] ipv6_find_idev+0x102/0x170 [ 4440.140601][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4440.140601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.140601][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.140601][ T72] netlink_unicast+0x449/0x710 [ 4440.140601][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.140601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.140601][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.140601][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.140601][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.140601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.140601][ T72] [ 4440.142631][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4440.143410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4440.143410][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.143410][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.143410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.143410][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4440.143410][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4440.143410][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4440.143410][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4440.143410][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4440.143410][ T72] addrconf_dad_begin+0x310/0x670 [ 4440.143410][ T72] addrconf_dad_work+0x10b/0xab0 [ 4440.143410][ T72] process_one_work+0x84d/0x18a0 [ 4440.143410][ T72] worker_thread+0x587/0xd30 [ 4440.143410][ T72] kthread+0x28a/0x350 [ 4440.143410][ T72] ret_from_fork+0x31/0x70 [ 4440.143410][ T72] ret_from_fork_asm+0x1a/0x30 [ 4440.143410][ T72] [ 4440.145519][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4440.145519][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.145519][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.145519][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.145519][ T72] ip6_route_add+0x1c/0x140 [ 4440.145519][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4440.145519][ T72] inet6_addr_add+0x4f8/0xa40 [ 4440.145519][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.145519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.145519][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.145519][ T72] netlink_unicast+0x449/0x710 [ 4440.145519][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.145519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.145519][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.145519][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.145519][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.145519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.145519][ T72] [ 4440.147810][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4440.147810][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.147810][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.147810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.147810][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4440.147810][ T72] ipv6_add_addr+0x411/0x2000 [ 4440.147810][ T72] inet6_addr_add+0x30e/0xa40 [ 4440.147810][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.147810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.147810][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.147810][ T72] netlink_unicast+0x449/0x710 [ 4440.147810][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.147810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.147810][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.147810][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.147810][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.147810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.147810][ T72] [ 4440.150266][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4440.150266][ T72] netdev_get_by_index+0x5e/0x80 [ 4440.150266][ T72] fib6_nh_init+0x3d8/0x1580 [ 4440.150266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4440.150266][ T72] ip6_route_add+0x1c/0x140 [ 4440.150266][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4440.150266][ T72] addrconf_add_dev+0xe2/0x170 [ 4440.150266][ T72] inet6_addr_add+0x12f/0xa40 [ 4440.150266][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4440.150266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.150266][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.150266][ T72] netlink_unicast+0x449/0x710 [ 4440.150266][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.150266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.150266][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.150266][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.150266][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.150266][ T72] [ 4440.152727][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4440.152727][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4440.152727][ T72] ipv6_find_idev+0x102/0x170 [ 4440.152727][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4440.152727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.152727][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.152727][ T72] netlink_unicast+0x449/0x710 [ 4440.152727][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.152727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.152727][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.152727][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.152727][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.152727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.152727][ T72] [ 4440.154556][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4440.154556][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4440.154556][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4440.154556][ T72] ipv6_find_idev+0x102/0x170 [ 4440.154556][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4440.154556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4440.154556][ T72] netlink_rcv_skb+0x130/0x360 [ 4440.154556][ T72] netlink_unicast+0x449/0x710 [ 4440.154556][ T72] netlink_sendmsg+0x723/0xbe0 [ 4440.154556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4440.154556][ T72] ___sys_sendmsg+0xee/0x170 [ 4440.154556][ T72] __sys_sendmsg+0xcd/0x170 [ 4440.154556][ T72] do_syscall_64+0xc6/0x1e0 [ 4440.154556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4440.154556][ T72] [ 4450.392927][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4450.393457][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4450.393457][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4450.393457][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4450.393457][ T72] fib6_nh_init+0xa22/0x1580 [ 4450.393457][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.393457][ T72] ip6_route_add+0x1c/0x140 [ 4450.393457][ T72] inet6_rtm_newroute+0x104/0x110 [ 4450.393457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.393457][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.393457][ T72] netlink_unicast+0x449/0x710 [ 4450.393457][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.393457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.393457][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.393457][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.393457][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.393457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.393457][ T72] [ 4450.395397][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4450.395397][ T72] dst_init+0x84/0x4a0 [ 4450.395397][ T72] dst_alloc+0x97/0x150 [ 4450.395397][ T72] ip6_dst_alloc+0x23/0x90 [ 4450.395397][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4450.395397][ T72] ip6_pol_route+0x56f/0x840 [ 4450.395397][ T72] fib6_rule_lookup+0x456/0x630 [ 4450.395397][ T72] ip6_route_input+0x59c/0xa50 [ 4450.395397][ T72] ipv6_rcv+0x397/0x810 [ 4450.395397][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4450.395397][ T72] process_backlog+0x101/0x620 [ 4450.395397][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4450.395397][ T72] net_rx_action+0x495/0xbe0 [ 4450.395397][ T72] __do_softirq+0x1b5/0x7f6 [ 4450.395397][ T72] [ 4450.397050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4450.397050][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.397050][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.397050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.397050][ T72] ip6_route_add+0x1c/0x140 [ 4450.397050][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4450.397050][ T72] inet6_addr_add+0x4f8/0xa40 [ 4450.397050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.397050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.397050][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.397050][ T72] netlink_unicast+0x449/0x710 [ 4450.397050][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.397050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.397050][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.397050][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.397050][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.397050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.397050][ T72] [ 4450.399081][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4450.399081][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.399081][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.399081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.399081][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4450.399081][ T72] ipv6_add_addr+0x411/0x2000 [ 4450.399081][ T72] inet6_addr_add+0x30e/0xa40 [ 4450.399081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.399081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.399081][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.399081][ T72] netlink_unicast+0x449/0x710 [ 4450.399081][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.399081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.399081][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.399081][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.399081][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.399081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.399081][ T72] [ 4450.401048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4450.401048][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.401048][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.401048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.401048][ T72] ip6_route_add+0x1c/0x140 [ 4450.401048][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4450.401048][ T72] addrconf_add_dev+0xe2/0x170 [ 4450.401048][ T72] inet6_addr_add+0x12f/0xa40 [ 4450.401048][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.401048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.401048][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.401048][ T72] netlink_unicast+0x449/0x710 [ 4450.401048][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.401048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.401048][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.401048][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.401048][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.401048][ T72] [ 4450.403018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4450.403018][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4450.403018][ T72] ipv6_find_idev+0x102/0x170 [ 4450.403018][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.403018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.403018][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.403018][ T72] netlink_unicast+0x449/0x710 [ 4450.403018][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.403018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.403018][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.403018][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.403018][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.403018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.403018][ T72] [ 4450.404582][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4450.404582][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4450.404582][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4450.404582][ T72] ipv6_find_idev+0x102/0x170 [ 4450.404582][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.404582][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.404582][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.404582][ T72] netlink_unicast+0x449/0x710 [ 4450.404582][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.404582][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.404582][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.404582][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.404582][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.404582][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.404582][ T72] [ 4450.406296][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4450.406570][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4450.406570][ T72] dst_init+0x84/0x4a0 [ 4450.406570][ T72] dst_alloc+0x97/0x150 [ 4450.406570][ T72] ip6_dst_alloc+0x23/0x90 [ 4450.406570][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4450.406570][ T72] ip6_pol_route+0x56f/0x840 [ 4450.406570][ T72] fib6_rule_lookup+0x456/0x630 [ 4450.406570][ T72] ip6_route_input+0x59c/0xa50 [ 4450.406570][ T72] ipv6_rcv+0x397/0x810 [ 4450.406570][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4450.406570][ T72] process_backlog+0x101/0x620 [ 4450.406570][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4450.406570][ T72] net_rx_action+0x495/0xbe0 [ 4450.406570][ T72] __do_softirq+0x1b5/0x7f6 [ 4450.406570][ T72] [ 4450.408237][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4450.408237][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.408237][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.408237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.408237][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4450.408237][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4450.408237][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4450.408237][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4450.408237][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4450.408237][ T72] addrconf_dad_begin+0x310/0x670 [ 4450.408237][ T72] addrconf_dad_work+0x10b/0xab0 [ 4450.408237][ T72] process_one_work+0x84d/0x18a0 [ 4450.408237][ T72] worker_thread+0x587/0xd30 [ 4450.408237][ T72] kthread+0x28a/0x350 [ 4450.408237][ T72] ret_from_fork+0x31/0x70 [ 4450.408237][ T72] ret_from_fork_asm+0x1a/0x30 [ 4450.408237][ T72] [ 4450.410157][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4450.410157][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.410157][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.410157][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.410157][ T72] ip6_route_add+0x1c/0x140 [ 4450.410157][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4450.410157][ T72] inet6_addr_add+0x4f8/0xa40 [ 4450.410157][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.410157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.410157][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.410157][ T72] netlink_unicast+0x449/0x710 [ 4450.410157][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.410157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.410157][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.410157][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.410157][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.410157][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.410157][ T72] [ 4450.412164][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4450.412164][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.412164][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.412164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.412164][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4450.412164][ T72] ipv6_add_addr+0x411/0x2000 [ 4450.412164][ T72] inet6_addr_add+0x30e/0xa40 [ 4450.412164][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.412164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.412164][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.412164][ T72] netlink_unicast+0x449/0x710 [ 4450.412164][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.412164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.412164][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.412164][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.412164][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.412164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.412164][ T72] [ 4450.414174][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4450.414174][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.414174][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.414174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.414174][ T72] ip6_route_add+0x1c/0x140 [ 4450.414174][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4450.414174][ T72] addrconf_add_dev+0xe2/0x170 [ 4450.414174][ T72] inet6_addr_add+0x12f/0xa40 [ 4450.414174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.414174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.414174][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.414174][ T72] netlink_unicast+0x449/0x710 [ 4450.414174][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.414174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.414174][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.414174][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.414174][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.414174][ T72] [ 4450.416138][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4450.416138][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4450.416138][ T72] ipv6_find_idev+0x102/0x170 [ 4450.416138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.416138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.416138][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.416138][ T72] netlink_unicast+0x449/0x710 [ 4450.416138][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.416138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.416138][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.416138][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.416138][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.416138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.416138][ T72] [ 4450.417725][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4450.417725][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4450.417725][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4450.417725][ T72] ipv6_find_idev+0x102/0x170 [ 4450.417725][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.417725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.417725][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.417725][ T72] netlink_unicast+0x449/0x710 [ 4450.417725][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.417725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.417725][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.417725][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.417725][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.417725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.417725][ T72] [ 4450.419528][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4450.419865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4450.419865][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4450.419865][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4450.419865][ T72] fib6_nh_init+0xa22/0x1580 [ 4450.419865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.419865][ T72] ip6_route_add+0x1c/0x140 [ 4450.419865][ T72] inet6_rtm_newroute+0x104/0x110 [ 4450.419865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.419865][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.419865][ T72] netlink_unicast+0x449/0x710 [ 4450.419865][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.419865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.419865][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.419865][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.419865][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.419865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.419865][ T72] [ 4450.422544][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4450.422544][ T72] dst_init+0x84/0x4a0 [ 4450.422544][ T72] dst_alloc+0x97/0x150 [ 4450.422544][ T72] ip6_dst_alloc+0x23/0x90 [ 4450.422544][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4450.422544][ T72] ip6_pol_route+0x56f/0x840 [ 4450.422544][ T72] fib6_rule_lookup+0x456/0x630 [ 4450.422544][ T72] ip6_route_input+0x59c/0xa50 [ 4450.422544][ T72] ipv6_rcv+0x397/0x810 [ 4450.422544][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4450.422544][ T72] process_backlog+0x101/0x620 [ 4450.422544][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4450.422544][ T72] net_rx_action+0x495/0xbe0 [ 4450.422544][ T72] __do_softirq+0x1b5/0x7f6 [ 4450.422544][ T72] [ 4450.424384][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4450.424384][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.424384][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.424384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.424384][ T72] ip6_route_add+0x1c/0x140 [ 4450.424384][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4450.424384][ T72] inet6_addr_add+0x4f8/0xa40 [ 4450.424384][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.424384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.424384][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.424384][ T72] netlink_unicast+0x449/0x710 [ 4450.424384][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.424384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.424384][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.424384][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.424384][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.424384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.424384][ T72] [ 4450.426626][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4450.426626][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.426626][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.426626][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.426626][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4450.426626][ T72] ipv6_add_addr+0x411/0x2000 [ 4450.426626][ T72] inet6_addr_add+0x30e/0xa40 [ 4450.426626][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.426626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.426626][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.426626][ T72] netlink_unicast+0x449/0x710 [ 4450.426626][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.426626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.426626][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.426626][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.426626][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.426626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.426626][ T72] [ 4450.428888][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4450.428888][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.428888][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.428888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.428888][ T72] ip6_route_add+0x1c/0x140 [ 4450.428888][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4450.428888][ T72] addrconf_add_dev+0xe2/0x170 [ 4450.428888][ T72] inet6_addr_add+0x12f/0xa40 [ 4450.428888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.428888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.428888][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.428888][ T72] netlink_unicast+0x449/0x710 [ 4450.428888][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.428888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.428888][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.428888][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.428888][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.428888][ T72] [ 4450.431111][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4450.431111][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4450.431111][ T72] ipv6_find_idev+0x102/0x170 [ 4450.431111][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.431111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.431111][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.431111][ T72] netlink_unicast+0x449/0x710 [ 4450.431111][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.431111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.431111][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.431111][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.431111][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.431111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.431111][ T72] [ 4450.432849][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4450.432849][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4450.432849][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4450.432849][ T72] ipv6_find_idev+0x102/0x170 [ 4450.432849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.432849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.432849][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.432849][ T72] netlink_unicast+0x449/0x710 [ 4450.432849][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.432849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.432849][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.432849][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.432849][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.432849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.432849][ T72] [ 4450.434718][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4450.435440][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4450.435440][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.435440][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.435440][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.435440][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4450.435440][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4450.435440][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4450.435440][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4450.435440][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4450.435440][ T72] addrconf_dad_begin+0x310/0x670 [ 4450.435440][ T72] addrconf_dad_work+0x10b/0xab0 [ 4450.435440][ T72] process_one_work+0x84d/0x18a0 [ 4450.435440][ T72] worker_thread+0x587/0xd30 [ 4450.435440][ T72] kthread+0x28a/0x350 [ 4450.435440][ T72] ret_from_fork+0x31/0x70 [ 4450.435440][ T72] ret_from_fork_asm+0x1a/0x30 [ 4450.435440][ T72] [ 4450.437359][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4450.437359][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.437359][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.437359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.437359][ T72] ip6_route_add+0x1c/0x140 [ 4450.437359][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4450.437359][ T72] inet6_addr_add+0x4f8/0xa40 [ 4450.437359][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.437359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.437359][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.437359][ T72] netlink_unicast+0x449/0x710 [ 4450.437359][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.437359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.437359][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.437359][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.437359][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.437359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.437359][ T72] [ 4450.439482][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4450.439482][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.439482][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.439482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.439482][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4450.439482][ T72] ipv6_add_addr+0x411/0x2000 [ 4450.439482][ T72] inet6_addr_add+0x30e/0xa40 [ 4450.439482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.439482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.439482][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.439482][ T72] netlink_unicast+0x449/0x710 [ 4450.439482][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.439482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.439482][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.439482][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.439482][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.439482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.439482][ T72] [ 4450.441753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4450.441753][ T72] netdev_get_by_index+0x5e/0x80 [ 4450.441753][ T72] fib6_nh_init+0x3d8/0x1580 [ 4450.441753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4450.441753][ T72] ip6_route_add+0x1c/0x140 [ 4450.441753][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4450.441753][ T72] addrconf_add_dev+0xe2/0x170 [ 4450.441753][ T72] inet6_addr_add+0x12f/0xa40 [ 4450.441753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.441753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.441753][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.441753][ T72] netlink_unicast+0x449/0x710 [ 4450.441753][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.441753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.441753][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.441753][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.441753][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.441753][ T72] [ 4450.444034][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4450.444034][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4450.444034][ T72] ipv6_find_idev+0x102/0x170 [ 4450.444034][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.444034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.444034][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.444034][ T72] netlink_unicast+0x449/0x710 [ 4450.444034][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.444034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.444034][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.444034][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.444034][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.444034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.444034][ T72] [ 4450.446092][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4450.446092][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4450.446092][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4450.446092][ T72] ipv6_find_idev+0x102/0x170 [ 4450.446092][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.446092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.446092][ T72] netlink_rcv_skb+0x130/0x360 [ 4450.446092][ T72] netlink_unicast+0x449/0x710 [ 4450.446092][ T72] netlink_sendmsg+0x723/0xbe0 [ 4450.446092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4450.446092][ T72] ___sys_sendmsg+0xee/0x170 [ 4450.446092][ T72] __sys_sendmsg+0xcd/0x170 [ 4450.446092][ T72] do_syscall_64+0xc6/0x1e0 [ 4450.446092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.446092][ T72] [ 4460.496879][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4460.497400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4460.497400][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4460.497400][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4460.497400][ T72] fib6_nh_init+0xa22/0x1580 [ 4460.497400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.497400][ T72] ip6_route_add+0x1c/0x140 [ 4460.497400][ T72] inet6_rtm_newroute+0x104/0x110 [ 4460.497400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.497400][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.497400][ T72] netlink_unicast+0x449/0x710 [ 4460.497400][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.497400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.497400][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.497400][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.497400][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.497400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.497400][ T72] [ 4460.499312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4460.499312][ T72] dst_init+0x84/0x4a0 [ 4460.499312][ T72] dst_alloc+0x97/0x150 [ 4460.499312][ T72] ip6_dst_alloc+0x23/0x90 [ 4460.499312][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4460.499312][ T72] ip6_pol_route+0x56f/0x840 [ 4460.499312][ T72] fib6_rule_lookup+0x456/0x630 [ 4460.499312][ T72] ip6_route_input+0x59c/0xa50 [ 4460.499312][ T72] ipv6_rcv+0x397/0x810 [ 4460.499312][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4460.499312][ T72] process_backlog+0x101/0x620 [ 4460.499312][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4460.499312][ T72] net_rx_action+0x495/0xbe0 [ 4460.499312][ T72] __do_softirq+0x1b5/0x7f6 [ 4460.499312][ T72] [ 4460.500953][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4460.500953][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.500953][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.500953][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.500953][ T72] ip6_route_add+0x1c/0x140 [ 4460.500953][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4460.500953][ T72] inet6_addr_add+0x4f8/0xa40 [ 4460.500953][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.500953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.500953][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.500953][ T72] netlink_unicast+0x449/0x710 [ 4460.500953][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.500953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.500953][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.500953][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.500953][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.500953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.500953][ T72] [ 4460.502970][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4460.502970][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.502970][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.502970][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.502970][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4460.502970][ T72] ipv6_add_addr+0x411/0x2000 [ 4460.502970][ T72] inet6_addr_add+0x30e/0xa40 [ 4460.502970][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.502970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.502970][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.502970][ T72] netlink_unicast+0x449/0x710 [ 4460.502970][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.502970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.502970][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.502970][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.502970][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.502970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.502970][ T72] [ 4460.504989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4460.504989][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.504989][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.504989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.504989][ T72] ip6_route_add+0x1c/0x140 [ 4460.504989][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4460.504989][ T72] addrconf_add_dev+0xe2/0x170 [ 4460.504989][ T72] inet6_addr_add+0x12f/0xa40 [ 4460.504989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.504989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.504989][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.504989][ T72] netlink_unicast+0x449/0x710 [ 4460.504989][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.504989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.504989][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.504989][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.504989][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.504989][ T72] [ 4460.506968][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4460.506968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4460.506968][ T72] ipv6_find_idev+0x102/0x170 [ 4460.506968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.506968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.506968][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.506968][ T72] netlink_unicast+0x449/0x710 [ 4460.506968][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.506968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.506968][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.506968][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.506968][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.506968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.506968][ T72] [ 4460.508529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4460.508529][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4460.508529][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4460.508529][ T72] ipv6_find_idev+0x102/0x170 [ 4460.508529][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.508529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.508529][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.508529][ T72] netlink_unicast+0x449/0x710 [ 4460.508529][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.508529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.508529][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.508529][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.508529][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.508529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.508529][ T72] [ 4460.510230][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4460.510505][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4460.510505][ T72] dst_init+0x84/0x4a0 [ 4460.510505][ T72] dst_alloc+0x97/0x150 [ 4460.510505][ T72] ip6_dst_alloc+0x23/0x90 [ 4460.510505][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4460.510505][ T72] ip6_pol_route+0x56f/0x840 [ 4460.510505][ T72] fib6_rule_lookup+0x456/0x630 [ 4460.510505][ T72] ip6_route_input+0x59c/0xa50 [ 4460.510505][ T72] ipv6_rcv+0x397/0x810 [ 4460.510505][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4460.510505][ T72] process_backlog+0x101/0x620 [ 4460.510505][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4460.510505][ T72] net_rx_action+0x495/0xbe0 [ 4460.510505][ T72] __do_softirq+0x1b5/0x7f6 [ 4460.510505][ T72] [ 4460.512170][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4460.512170][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.512170][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.512170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.512170][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4460.512170][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4460.512170][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4460.512170][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4460.512170][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4460.512170][ T72] addrconf_dad_begin+0x310/0x670 [ 4460.512170][ T72] addrconf_dad_work+0x10b/0xab0 [ 4460.512170][ T72] process_one_work+0x84d/0x18a0 [ 4460.512170][ T72] worker_thread+0x587/0xd30 [ 4460.512170][ T72] kthread+0x28a/0x350 [ 4460.512170][ T72] ret_from_fork+0x31/0x70 [ 4460.512170][ T72] ret_from_fork_asm+0x1a/0x30 [ 4460.512170][ T72] [ 4460.514118][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4460.514118][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.514118][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.514118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.514118][ T72] ip6_route_add+0x1c/0x140 [ 4460.514118][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4460.514118][ T72] inet6_addr_add+0x4f8/0xa40 [ 4460.514118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.514118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.514118][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.514118][ T72] netlink_unicast+0x449/0x710 [ 4460.514118][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.514118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.514118][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.514118][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.514118][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.514118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.514118][ T72] [ 4460.516172][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4460.516172][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.516172][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.516172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.516172][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4460.516172][ T72] ipv6_add_addr+0x411/0x2000 [ 4460.516172][ T72] inet6_addr_add+0x30e/0xa40 [ 4460.516172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.516172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.516172][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.516172][ T72] netlink_unicast+0x449/0x710 [ 4460.516172][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.516172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.516172][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.516172][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.516172][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.516172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.516172][ T72] [ 4460.518196][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4460.518196][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.518196][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.518196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.518196][ T72] ip6_route_add+0x1c/0x140 [ 4460.518196][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4460.518196][ T72] addrconf_add_dev+0xe2/0x170 [ 4460.518196][ T72] inet6_addr_add+0x12f/0xa40 [ 4460.518196][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.518196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.518196][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.518196][ T72] netlink_unicast+0x449/0x710 [ 4460.518196][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.518196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.518196][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.518196][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.518196][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.518196][ T72] [ 4460.520204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4460.520204][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4460.520204][ T72] ipv6_find_idev+0x102/0x170 [ 4460.520204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.520204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.520204][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.520204][ T72] netlink_unicast+0x449/0x710 [ 4460.520204][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.520204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.520204][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.520204][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.520204][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.520204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.520204][ T72] [ 4460.521748][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4460.521748][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4460.521748][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4460.521748][ T72] ipv6_find_idev+0x102/0x170 [ 4460.521748][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.521748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.521748][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.521748][ T72] netlink_unicast+0x449/0x710 [ 4460.521748][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.521748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.521748][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.521748][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.521748][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.521748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.521748][ T72] [ 4460.523563][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4460.523908][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4460.523908][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4460.523908][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4460.523908][ T72] fib6_nh_init+0xa22/0x1580 [ 4460.523908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.523908][ T72] ip6_route_add+0x1c/0x140 [ 4460.523908][ T72] inet6_rtm_newroute+0x104/0x110 [ 4460.523908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.523908][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.523908][ T72] netlink_unicast+0x449/0x710 [ 4460.523908][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.523908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.523908][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.523908][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.523908][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.523908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.523908][ T72] [ 4460.526101][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4460.526101][ T72] dst_init+0x84/0x4a0 [ 4460.526101][ T72] dst_alloc+0x97/0x150 [ 4460.526101][ T72] ip6_dst_alloc+0x23/0x90 [ 4460.526101][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4460.526101][ T72] ip6_pol_route+0x56f/0x840 [ 4460.526101][ T72] fib6_rule_lookup+0x456/0x630 [ 4460.526101][ T72] ip6_route_input+0x59c/0xa50 [ 4460.526101][ T72] ipv6_rcv+0x397/0x810 [ 4460.526101][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4460.526101][ T72] process_backlog+0x101/0x620 [ 4460.526101][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4460.526101][ T72] net_rx_action+0x495/0xbe0 [ 4460.526101][ T72] __do_softirq+0x1b5/0x7f6 [ 4460.526101][ T72] [ 4460.527925][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4460.527925][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.527925][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.527925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.527925][ T72] ip6_route_add+0x1c/0x140 [ 4460.527925][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4460.527925][ T72] inet6_addr_add+0x4f8/0xa40 [ 4460.527925][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.527925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.527925][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.527925][ T72] netlink_unicast+0x449/0x710 [ 4460.527925][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.527925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.527925][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.527925][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.527925][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.527925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.527925][ T72] [ 4460.530189][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4460.530189][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.530189][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.530189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.530189][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4460.530189][ T72] ipv6_add_addr+0x411/0x2000 [ 4460.530189][ T72] inet6_addr_add+0x30e/0xa40 [ 4460.530189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.530189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.530189][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.530189][ T72] netlink_unicast+0x449/0x710 [ 4460.530189][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.530189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.530189][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.530189][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.530189][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.530189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.530189][ T72] [ 4460.532447][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4460.532447][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.532447][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.532447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.532447][ T72] ip6_route_add+0x1c/0x140 [ 4460.532447][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4460.532447][ T72] addrconf_add_dev+0xe2/0x170 [ 4460.532447][ T72] inet6_addr_add+0x12f/0xa40 [ 4460.532447][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.532447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.532447][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.532447][ T72] netlink_unicast+0x449/0x710 [ 4460.532447][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.532447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.532447][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.532447][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.532447][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.532447][ T72] [ 4460.534654][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4460.534654][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4460.534654][ T72] ipv6_find_idev+0x102/0x170 [ 4460.534654][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.534654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.534654][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.534654][ T72] netlink_unicast+0x449/0x710 [ 4460.534654][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.534654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.534654][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.534654][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.534654][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.534654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.534654][ T72] [ 4460.536419][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4460.536419][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4460.536419][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4460.536419][ T72] ipv6_find_idev+0x102/0x170 [ 4460.536419][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.536419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.536419][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.536419][ T72] netlink_unicast+0x449/0x710 [ 4460.536419][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.536419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.536419][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.536419][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.536419][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.536419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.536419][ T72] [ 4460.538311][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4460.538589][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4460.538589][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.538589][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.538589][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.538589][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4460.538589][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4460.538589][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4460.538589][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4460.538589][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4460.538589][ T72] addrconf_dad_begin+0x310/0x670 [ 4460.538589][ T72] addrconf_dad_work+0x10b/0xab0 [ 4460.538589][ T72] process_one_work+0x84d/0x18a0 [ 4460.538589][ T72] worker_thread+0x587/0xd30 [ 4460.538589][ T72] kthread+0x28a/0x350 [ 4460.538589][ T72] ret_from_fork+0x31/0x70 [ 4460.538589][ T72] ret_from_fork_asm+0x1a/0x30 [ 4460.538589][ T72] [ 4460.540810][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4460.540810][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.540810][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.540810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.540810][ T72] ip6_route_add+0x1c/0x140 [ 4460.540810][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4460.540810][ T72] inet6_addr_add+0x4f8/0xa40 [ 4460.540810][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.540810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.540810][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.540810][ T72] netlink_unicast+0x449/0x710 [ 4460.540810][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.540810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.540810][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.540810][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.540810][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.540810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.540810][ T72] [ 4460.543057][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4460.543057][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.543057][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.543057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.543057][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4460.543057][ T72] ipv6_add_addr+0x411/0x2000 [ 4460.543057][ T72] inet6_addr_add+0x30e/0xa40 [ 4460.543057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.543057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.543057][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.543057][ T72] netlink_unicast+0x449/0x710 [ 4460.543057][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.543057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.543057][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.543057][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.543057][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.543057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.543057][ T72] [ 4460.545352][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4460.545352][ T72] netdev_get_by_index+0x5e/0x80 [ 4460.545352][ T72] fib6_nh_init+0x3d8/0x1580 [ 4460.545352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4460.545352][ T72] ip6_route_add+0x1c/0x140 [ 4460.545352][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4460.545352][ T72] addrconf_add_dev+0xe2/0x170 [ 4460.545352][ T72] inet6_addr_add+0x12f/0xa40 [ 4460.545352][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.545352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.545352][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.545352][ T72] netlink_unicast+0x449/0x710 [ 4460.545352][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.545352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.545352][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.545352][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.545352][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.545352][ T72] [ 4460.547460][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4460.547460][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4460.547460][ T72] ipv6_find_idev+0x102/0x170 [ 4460.547460][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.547460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.547460][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.547460][ T72] netlink_unicast+0x449/0x710 [ 4460.547460][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.547460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.547460][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.547460][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.547460][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.547460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.547460][ T72] [ 4460.549189][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4460.549189][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4460.549189][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4460.549189][ T72] ipv6_find_idev+0x102/0x170 [ 4460.549189][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.549189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.549189][ T72] netlink_rcv_skb+0x130/0x360 [ 4460.549189][ T72] netlink_unicast+0x449/0x710 [ 4460.549189][ T72] netlink_sendmsg+0x723/0xbe0 [ 4460.549189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4460.549189][ T72] ___sys_sendmsg+0xee/0x170 [ 4460.549189][ T72] __sys_sendmsg+0xcd/0x170 [ 4460.549189][ T72] do_syscall_64+0xc6/0x1e0 [ 4460.549189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.549189][ T72] [ 4470.792943][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4470.793482][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4470.793482][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4470.793482][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4470.793482][ T72] fib6_nh_init+0xa22/0x1580 [ 4470.793482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.793482][ T72] ip6_route_add+0x1c/0x140 [ 4470.793482][ T72] inet6_rtm_newroute+0x104/0x110 [ 4470.793482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.793482][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.793482][ T72] netlink_unicast+0x449/0x710 [ 4470.793482][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.793482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.793482][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.793482][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.793482][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.793482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.793482][ T72] [ 4470.795647][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4470.795647][ T72] dst_init+0x84/0x4a0 [ 4470.795647][ T72] dst_alloc+0x97/0x150 [ 4470.795647][ T72] ip6_dst_alloc+0x23/0x90 [ 4470.795647][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4470.795647][ T72] ip6_pol_route+0x56f/0x840 [ 4470.795647][ T72] fib6_rule_lookup+0x456/0x630 [ 4470.795647][ T72] ip6_route_input+0x59c/0xa50 [ 4470.795647][ T72] ipv6_rcv+0x397/0x810 [ 4470.795647][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4470.795647][ T72] process_backlog+0x101/0x620 [ 4470.795647][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4470.795647][ T72] net_rx_action+0x495/0xbe0 [ 4470.795647][ T72] __do_softirq+0x1b5/0x7f6 [ 4470.795647][ T72] [ 4470.797540][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4470.797540][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.797540][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.797540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.797540][ T72] ip6_route_add+0x1c/0x140 [ 4470.797540][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4470.797540][ T72] inet6_addr_add+0x4f8/0xa40 [ 4470.797540][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.797540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.797540][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.797540][ T72] netlink_unicast+0x449/0x710 [ 4470.797540][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.797540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.797540][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.797540][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.797540][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.797540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.797540][ T72] [ 4470.799820][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4470.799820][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.799820][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.799820][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.799820][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4470.799820][ T72] ipv6_add_addr+0x411/0x2000 [ 4470.799820][ T72] inet6_addr_add+0x30e/0xa40 [ 4470.799820][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.799820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.799820][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.799820][ T72] netlink_unicast+0x449/0x710 [ 4470.799820][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.799820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.799820][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.799820][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.799820][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.799820][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.799820][ T72] [ 4470.802071][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4470.802071][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.802071][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.802071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.802071][ T72] ip6_route_add+0x1c/0x140 [ 4470.802071][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4470.802071][ T72] addrconf_add_dev+0xe2/0x170 [ 4470.802071][ T72] inet6_addr_add+0x12f/0xa40 [ 4470.802071][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.802071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.802071][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.802071][ T72] netlink_unicast+0x449/0x710 [ 4470.802071][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.802071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.802071][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.802071][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.802071][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.802071][ T72] [ 4470.804308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4470.804308][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4470.804308][ T72] ipv6_find_idev+0x102/0x170 [ 4470.804308][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.804308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.804308][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.804308][ T72] netlink_unicast+0x449/0x710 [ 4470.804308][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.804308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.804308][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.804308][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.804308][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.804308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.804308][ T72] [ 4470.806052][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4470.806052][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4470.806052][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4470.806052][ T72] ipv6_find_idev+0x102/0x170 [ 4470.806052][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.806052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.806052][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.806052][ T72] netlink_unicast+0x449/0x710 [ 4470.806052][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.806052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.806052][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.806052][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.806052][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.806052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.806052][ T72] [ 4470.807966][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4470.808264][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4470.808264][ T72] dst_init+0x84/0x4a0 [ 4470.808264][ T72] dst_alloc+0x97/0x150 [ 4470.808264][ T72] ip6_dst_alloc+0x23/0x90 [ 4470.808264][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4470.808264][ T72] ip6_pol_route+0x56f/0x840 [ 4470.808264][ T72] fib6_rule_lookup+0x456/0x630 [ 4470.808264][ T72] ip6_route_input+0x59c/0xa50 [ 4470.808264][ T72] ipv6_rcv+0x397/0x810 [ 4470.808264][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4470.808264][ T72] process_backlog+0x101/0x620 [ 4470.808264][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4470.808264][ T72] net_rx_action+0x495/0xbe0 [ 4470.808264][ T72] __do_softirq+0x1b5/0x7f6 [ 4470.808264][ T72] [ 4470.810764][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4470.810764][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.810764][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.810764][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.810764][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4470.810764][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4470.810764][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4470.810764][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4470.810764][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4470.810764][ T72] addrconf_dad_begin+0x310/0x670 [ 4470.810764][ T72] addrconf_dad_work+0x10b/0xab0 [ 4470.810764][ T72] process_one_work+0x84d/0x18a0 [ 4470.810764][ T72] worker_thread+0x587/0xd30 [ 4470.810764][ T72] kthread+0x28a/0x350 [ 4470.810764][ T72] ret_from_fork+0x31/0x70 [ 4470.810764][ T72] ret_from_fork_asm+0x1a/0x30 [ 4470.810764][ T72] [ 4470.812915][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4470.812915][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.812915][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.812915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.812915][ T72] ip6_route_add+0x1c/0x140 [ 4470.812915][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4470.812915][ T72] inet6_addr_add+0x4f8/0xa40 [ 4470.812915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.812915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.812915][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.812915][ T72] netlink_unicast+0x449/0x710 [ 4470.812915][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.812915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.812915][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.812915][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.812915][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.812915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.812915][ T72] [ 4470.815178][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4470.815178][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.815178][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.815178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.815178][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4470.815178][ T72] ipv6_add_addr+0x411/0x2000 [ 4470.815178][ T72] inet6_addr_add+0x30e/0xa40 [ 4470.815178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.815178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.815178][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.815178][ T72] netlink_unicast+0x449/0x710 [ 4470.815178][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.815178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.815178][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.815178][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.815178][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.815178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.815178][ T72] [ 4470.817475][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4470.817475][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.817475][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.817475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.817475][ T72] ip6_route_add+0x1c/0x140 [ 4470.817475][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4470.817475][ T72] addrconf_add_dev+0xe2/0x170 [ 4470.817475][ T72] inet6_addr_add+0x12f/0xa40 [ 4470.817475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.817475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.817475][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.817475][ T72] netlink_unicast+0x449/0x710 [ 4470.817475][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.817475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.817475][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.817475][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.817475][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.817475][ T72] [ 4470.820086][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4470.820086][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4470.820086][ T72] ipv6_find_idev+0x102/0x170 [ 4470.820086][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.820086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.820086][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.820086][ T72] netlink_unicast+0x449/0x710 [ 4470.820086][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.820086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.820086][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.820086][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.820086][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.820086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.820086][ T72] [ 4470.821845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4470.821845][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4470.821845][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4470.821845][ T72] ipv6_find_idev+0x102/0x170 [ 4470.821845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.821845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.821845][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.821845][ T72] netlink_unicast+0x449/0x710 [ 4470.821845][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.821845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.821845][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.821845][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.821845][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.821845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.821845][ T72] [ 4470.823808][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4470.824111][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4470.824111][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4470.824111][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4470.824111][ T72] fib6_nh_init+0xa22/0x1580 [ 4470.824111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.824111][ T72] ip6_route_add+0x1c/0x140 [ 4470.824111][ T72] inet6_rtm_newroute+0x104/0x110 [ 4470.824111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.824111][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.824111][ T72] netlink_unicast+0x449/0x710 [ 4470.824111][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.824111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.824111][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.824111][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.824111][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.824111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.824111][ T72] [ 4470.826536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4470.826536][ T72] dst_init+0x84/0x4a0 [ 4470.826536][ T72] dst_alloc+0x97/0x150 [ 4470.826536][ T72] ip6_dst_alloc+0x23/0x90 [ 4470.826536][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4470.826536][ T72] ip6_pol_route+0x56f/0x840 [ 4470.826536][ T72] fib6_rule_lookup+0x456/0x630 [ 4470.826536][ T72] ip6_route_input+0x59c/0xa50 [ 4470.826536][ T72] ipv6_rcv+0x397/0x810 [ 4470.826536][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4470.826536][ T72] process_backlog+0x101/0x620 [ 4470.826536][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4470.826536][ T72] net_rx_action+0x495/0xbe0 [ 4470.826536][ T72] __do_softirq+0x1b5/0x7f6 [ 4470.826536][ T72] [ 4470.828575][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4470.828575][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.828575][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.828575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.828575][ T72] ip6_route_add+0x1c/0x140 [ 4470.828575][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4470.828575][ T72] inet6_addr_add+0x4f8/0xa40 [ 4470.828575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.828575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.828575][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.828575][ T72] netlink_unicast+0x449/0x710 [ 4470.828575][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.828575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.828575][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.828575][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.828575][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.828575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.828575][ T72] [ 4470.831066][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4470.831066][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.831066][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.831066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.831066][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4470.831066][ T72] ipv6_add_addr+0x411/0x2000 [ 4470.831066][ T72] inet6_addr_add+0x30e/0xa40 [ 4470.831066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.831066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.831066][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.831066][ T72] netlink_unicast+0x449/0x710 [ 4470.831066][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.831066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.831066][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.831066][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.831066][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.831066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.831066][ T72] [ 4470.833499][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4470.833499][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.833499][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.833499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.833499][ T72] ip6_route_add+0x1c/0x140 [ 4470.833499][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4470.833499][ T72] addrconf_add_dev+0xe2/0x170 [ 4470.833499][ T72] inet6_addr_add+0x12f/0xa40 [ 4470.833499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.833499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.833499][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.833499][ T72] netlink_unicast+0x449/0x710 [ 4470.833499][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.833499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.833499][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.833499][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.833499][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.833499][ T72] [ 4470.835963][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4470.835963][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4470.835963][ T72] ipv6_find_idev+0x102/0x170 [ 4470.835963][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.835963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.835963][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.835963][ T72] netlink_unicast+0x449/0x710 [ 4470.835963][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.835963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.835963][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.835963][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.835963][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.835963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.835963][ T72] [ 4470.838003][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4470.838003][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4470.838003][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4470.838003][ T72] ipv6_find_idev+0x102/0x170 [ 4470.838003][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.838003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.838003][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.838003][ T72] netlink_unicast+0x449/0x710 [ 4470.838003][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.838003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.838003][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.838003][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.838003][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.838003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.838003][ T72] [ 4470.840105][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4470.840480][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4470.840480][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.840480][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.840480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.840480][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4470.840480][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4470.840480][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4470.840480][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4470.840480][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4470.840480][ T72] addrconf_dad_begin+0x310/0x670 [ 4470.840480][ T72] addrconf_dad_work+0x10b/0xab0 [ 4470.840480][ T72] process_one_work+0x84d/0x18a0 [ 4470.840480][ T72] worker_thread+0x587/0xd30 [ 4470.840480][ T72] kthread+0x28a/0x350 [ 4470.840480][ T72] ret_from_fork+0x31/0x70 [ 4470.840480][ T72] ret_from_fork_asm+0x1a/0x30 [ 4470.840480][ T72] [ 4470.842765][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4470.842765][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.842765][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.842765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.842765][ T72] ip6_route_add+0x1c/0x140 [ 4470.842765][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4470.842765][ T72] inet6_addr_add+0x4f8/0xa40 [ 4470.842765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.842765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.842765][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.842765][ T72] netlink_unicast+0x449/0x710 [ 4470.842765][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.842765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.842765][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.842765][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.842765][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.842765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.842765][ T72] [ 4470.845253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4470.845253][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.845253][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.845253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.845253][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4470.845253][ T72] ipv6_add_addr+0x411/0x2000 [ 4470.845253][ T72] inet6_addr_add+0x30e/0xa40 [ 4470.845253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.845253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.845253][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.845253][ T72] netlink_unicast+0x449/0x710 [ 4470.845253][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.845253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.845253][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.845253][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.845253][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.845253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.845253][ T72] [ 4470.847819][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4470.847819][ T72] netdev_get_by_index+0x5e/0x80 [ 4470.847819][ T72] fib6_nh_init+0x3d8/0x1580 [ 4470.847819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4470.847819][ T72] ip6_route_add+0x1c/0x140 [ 4470.847819][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4470.847819][ T72] addrconf_add_dev+0xe2/0x170 [ 4470.847819][ T72] inet6_addr_add+0x12f/0xa40 [ 4470.847819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.847819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.847819][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.847819][ T72] netlink_unicast+0x449/0x710 [ 4470.847819][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.847819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.847819][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.847819][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.847819][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.847819][ T72] [ 4470.850291][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4470.850291][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4470.850291][ T72] ipv6_find_idev+0x102/0x170 [ 4470.850291][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.850291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.850291][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.850291][ T72] netlink_unicast+0x449/0x710 [ 4470.850291][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.850291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.850291][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.850291][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.850291][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.850291][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.850291][ T72] [ 4470.852205][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4470.852205][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4470.852205][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4470.852205][ T72] ipv6_find_idev+0x102/0x170 [ 4470.852205][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.852205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.852205][ T72] netlink_rcv_skb+0x130/0x360 [ 4470.852205][ T72] netlink_unicast+0x449/0x710 [ 4470.852205][ T72] netlink_sendmsg+0x723/0xbe0 [ 4470.852205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4470.852205][ T72] ___sys_sendmsg+0xee/0x170 [ 4470.852205][ T72] __sys_sendmsg+0xcd/0x170 [ 4470.852205][ T72] do_syscall_64+0xc6/0x1e0 [ 4470.852205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.852205][ T72] [ 4481.096931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4481.097439][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4481.097439][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4481.097439][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4481.097439][ T72] fib6_nh_init+0xa22/0x1580 [ 4481.097439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.097439][ T72] ip6_route_add+0x1c/0x140 [ 4481.097439][ T72] inet6_rtm_newroute+0x104/0x110 [ 4481.097439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.097439][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.097439][ T72] netlink_unicast+0x449/0x710 [ 4481.097439][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.097439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.097439][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.097439][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.097439][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.097439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.097439][ T72] [ 4481.099590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4481.099590][ T72] dst_init+0x84/0x4a0 [ 4481.099590][ T72] dst_alloc+0x97/0x150 [ 4481.099590][ T72] ip6_dst_alloc+0x23/0x90 [ 4481.099590][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4481.099590][ T72] ip6_pol_route+0x56f/0x840 [ 4481.099590][ T72] fib6_rule_lookup+0x456/0x630 [ 4481.099590][ T72] ip6_route_input+0x59c/0xa50 [ 4481.099590][ T72] ipv6_rcv+0x397/0x810 [ 4481.099590][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4481.099590][ T72] process_backlog+0x101/0x620 [ 4481.099590][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4481.099590][ T72] net_rx_action+0x495/0xbe0 [ 4481.099590][ T72] __do_softirq+0x1b5/0x7f6 [ 4481.099590][ T72] [ 4481.101437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4481.101437][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.101437][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.101437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.101437][ T72] ip6_route_add+0x1c/0x140 [ 4481.101437][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4481.101437][ T72] inet6_addr_add+0x4f8/0xa40 [ 4481.101437][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.101437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.101437][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.101437][ T72] netlink_unicast+0x449/0x710 [ 4481.101437][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.101437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.101437][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.101437][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.101437][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.101437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.101437][ T72] [ 4481.103707][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4481.103707][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.103707][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.103707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.103707][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4481.103707][ T72] ipv6_add_addr+0x411/0x2000 [ 4481.103707][ T72] inet6_addr_add+0x30e/0xa40 [ 4481.103707][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.103707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.103707][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.103707][ T72] netlink_unicast+0x449/0x710 [ 4481.103707][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.103707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.103707][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.103707][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.103707][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.103707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.103707][ T72] [ 4481.105991][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4481.105991][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.105991][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.105991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.105991][ T72] ip6_route_add+0x1c/0x140 [ 4481.105991][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4481.105991][ T72] addrconf_add_dev+0xe2/0x170 [ 4481.105991][ T72] inet6_addr_add+0x12f/0xa40 [ 4481.105991][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.105991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.105991][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.105991][ T72] netlink_unicast+0x449/0x710 [ 4481.105991][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.105991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.105991][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.105991][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.105991][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.105991][ T72] [ 4481.108227][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4481.108227][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4481.108227][ T72] ipv6_find_idev+0x102/0x170 [ 4481.108227][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4481.108227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.108227][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.108227][ T72] netlink_unicast+0x449/0x710 [ 4481.108227][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.108227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.108227][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.108227][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.108227][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.108227][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.108227][ T72] [ 4481.109966][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4481.109966][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4481.109966][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4481.109966][ T72] ipv6_find_idev+0x102/0x170 [ 4481.109966][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4481.109966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.109966][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.109966][ T72] netlink_unicast+0x449/0x710 [ 4481.109966][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.109966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.109966][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.109966][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.109966][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.109966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.109966][ T72] [ 4481.111893][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4481.112195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4481.112195][ T72] dst_init+0x84/0x4a0 [ 4481.112195][ T72] dst_alloc+0x97/0x150 [ 4481.112195][ T72] ip6_dst_alloc+0x23/0x90 [ 4481.112195][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4481.112195][ T72] ip6_pol_route+0x56f/0x840 [ 4481.112195][ T72] fib6_rule_lookup+0x456/0x630 [ 4481.112195][ T72] ip6_route_input+0x59c/0xa50 [ 4481.112195][ T72] ipv6_rcv+0x397/0x810 [ 4481.112195][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4481.112195][ T72] process_backlog+0x101/0x620 [ 4481.112195][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4481.112195][ T72] net_rx_action+0x495/0xbe0 [ 4481.112195][ T72] __do_softirq+0x1b5/0x7f6 [ 4481.112195][ T72] [ 4481.114049][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4481.114049][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.114049][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.114049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.114049][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4481.114049][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4481.114049][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4481.114049][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4481.114049][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4481.114049][ T72] addrconf_dad_begin+0x310/0x670 [ 4481.114049][ T72] addrconf_dad_work+0x10b/0xab0 [ 4481.114049][ T72] process_one_work+0x84d/0x18a0 [ 4481.114049][ T72] worker_thread+0x587/0xd30 [ 4481.114049][ T72] kthread+0x28a/0x350 [ 4481.114049][ T72] ret_from_fork+0x31/0x70 [ 4481.114049][ T72] ret_from_fork_asm+0x1a/0x30 [ 4481.114049][ T72] [ 4481.116206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4481.116206][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.116206][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.116206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.116206][ T72] ip6_route_add+0x1c/0x140 [ 4481.116206][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4481.116206][ T72] inet6_addr_add+0x4f8/0xa40 [ 4481.116206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.116206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.116206][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.116206][ T72] netlink_unicast+0x449/0x710 [ 4481.116206][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.116206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.116206][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.116206][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.116206][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.116206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.116206][ T72] [ 4481.118481][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4481.118481][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.118481][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.118481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.118481][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4481.118481][ T72] ipv6_add_addr+0x411/0x2000 [ 4481.118481][ T72] inet6_addr_add+0x30e/0xa40 [ 4481.118481][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.118481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.118481][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.118481][ T72] netlink_unicast+0x449/0x710 [ 4481.118481][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.118481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.118481][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.118481][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.118481][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.118481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.118481][ T72] [ 4481.120775][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4481.120775][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.120775][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.120775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.120775][ T72] ip6_route_add+0x1c/0x140 [ 4481.120775][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4481.120775][ T72] addrconf_add_dev+0xe2/0x170 [ 4481.120775][ T72] inet6_addr_add+0x12f/0xa40 [ 4481.120775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.120775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.120775][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.120775][ T72] netlink_unicast+0x449/0x710 [ 4481.120775][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.120775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.120775][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.120775][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.120775][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.120775][ T72] [ 4481.122987][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4481.122987][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4481.122987][ T72] ipv6_find_idev+0x102/0x170 [ 4481.122987][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4481.122987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.122987][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.122987][ T72] netlink_unicast+0x449/0x710 [ 4481.122987][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.122987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.122987][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.122987][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.122987][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.122987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.122987][ T72] [ 4481.124736][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4481.124736][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4481.124736][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4481.124736][ T72] ipv6_find_idev+0x102/0x170 [ 4481.124736][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4481.124736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.124736][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.124736][ T72] netlink_unicast+0x449/0x710 [ 4481.124736][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.124736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.124736][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.124736][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.124736][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.124736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.124736][ T72] [ 4481.126903][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4481.127207][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4481.127207][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4481.127207][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4481.127207][ T72] fib6_nh_init+0xa22/0x1580 [ 4481.127207][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.127207][ T72] ip6_route_add+0x1c/0x140 [ 4481.127207][ T72] inet6_rtm_newroute+0x104/0x110 [ 4481.127207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.127207][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.127207][ T72] netlink_unicast+0x449/0x710 [ 4481.127207][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.127207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.127207][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.127207][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.127207][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.127207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.127207][ T72] [ 4481.129631][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4481.129631][ T72] dst_init+0x84/0x4a0 [ 4481.129631][ T72] dst_alloc+0x97/0x150 [ 4481.129631][ T72] ip6_dst_alloc+0x23/0x90 [ 4481.129631][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4481.129631][ T72] ip6_pol_route+0x56f/0x840 [ 4481.129631][ T72] fib6_rule_lookup+0x456/0x630 [ 4481.129631][ T72] ip6_route_input+0x59c/0xa50 [ 4481.129631][ T72] ipv6_rcv+0x397/0x810 [ 4481.129631][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4481.129631][ T72] process_backlog+0x101/0x620 [ 4481.129631][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4481.129631][ T72] net_rx_action+0x495/0xbe0 [ 4481.129631][ T72] __do_softirq+0x1b5/0x7f6 [ 4481.129631][ T72] [ 4481.131665][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4481.131665][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.131665][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.131665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.131665][ T72] ip6_route_add+0x1c/0x140 [ 4481.131665][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4481.131665][ T72] inet6_addr_add+0x4f8/0xa40 [ 4481.131665][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.131665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.131665][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.131665][ T72] netlink_unicast+0x449/0x710 [ 4481.131665][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.131665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.131665][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.131665][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.131665][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.131665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.131665][ T72] [ 4481.134197][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4481.134197][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.134197][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.134197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.134197][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4481.134197][ T72] ipv6_add_addr+0x411/0x2000 [ 4481.134197][ T72] inet6_addr_add+0x30e/0xa40 [ 4481.134197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.134197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.134197][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.134197][ T72] netlink_unicast+0x449/0x710 [ 4481.134197][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.134197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.134197][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.134197][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.134197][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.134197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.134197][ T72] [ 4481.136630][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4481.136630][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.136630][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.136630][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.136630][ T72] ip6_route_add+0x1c/0x140 [ 4481.136630][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4481.136630][ T72] addrconf_add_dev+0xe2/0x170 [ 4481.136630][ T72] inet6_addr_add+0x12f/0xa40 [ 4481.136630][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.136630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.136630][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.136630][ T72] netlink_unicast+0x449/0x710 [ 4481.136630][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.136630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.136630][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.136630][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.136630][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.136630][ T72] [ 4481.139162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4481.139162][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4481.139162][ T72] ipv6_find_idev+0x102/0x170 [ 4481.139162][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4481.139162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.139162][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.139162][ T72] netlink_unicast+0x449/0x710 [ 4481.139162][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.139162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.139162][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.139162][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.139162][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.139162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.139162][ T72] [ 4481.141093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4481.141093][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4481.141093][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4481.141093][ T72] ipv6_find_idev+0x102/0x170 [ 4481.141093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4481.141093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.141093][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.141093][ T72] netlink_unicast+0x449/0x710 [ 4481.141093][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.141093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.141093][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.141093][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.141093][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.141093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.141093][ T72] [ 4481.143189][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4481.143557][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4481.143557][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.143557][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.143557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.143557][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4481.143557][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4481.143557][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4481.143557][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4481.143557][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4481.143557][ T72] addrconf_dad_begin+0x310/0x670 [ 4481.143557][ T72] addrconf_dad_work+0x10b/0xab0 [ 4481.143557][ T72] process_one_work+0x84d/0x18a0 [ 4481.143557][ T72] worker_thread+0x587/0xd30 [ 4481.143557][ T72] kthread+0x28a/0x350 [ 4481.143557][ T72] ret_from_fork+0x31/0x70 [ 4481.143557][ T72] ret_from_fork_asm+0x1a/0x30 [ 4481.143557][ T72] [ 4481.145835][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4481.145835][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.145835][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.145835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.145835][ T72] ip6_route_add+0x1c/0x140 [ 4481.145835][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4481.145835][ T72] inet6_addr_add+0x4f8/0xa40 [ 4481.145835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.145835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.145835][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.145835][ T72] netlink_unicast+0x449/0x710 [ 4481.145835][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.145835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.145835][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.145835][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.145835][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.145835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.145835][ T72] [ 4481.148375][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4481.148375][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.148375][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.148375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.148375][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4481.148375][ T72] ipv6_add_addr+0x411/0x2000 [ 4481.148375][ T72] inet6_addr_add+0x30e/0xa40 [ 4481.148375][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.148375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.148375][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.148375][ T72] netlink_unicast+0x449/0x710 [ 4481.148375][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.148375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.148375][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.148375][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.148375][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.148375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.148375][ T72] [ 4481.150968][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4481.150968][ T72] netdev_get_by_index+0x5e/0x80 [ 4481.150968][ T72] fib6_nh_init+0x3d8/0x1580 [ 4481.150968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4481.150968][ T72] ip6_route_add+0x1c/0x140 [ 4481.150968][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4481.150968][ T72] addrconf_add_dev+0xe2/0x170 [ 4481.150968][ T72] inet6_addr_add+0x12f/0xa40 [ 4481.150968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4481.150968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.150968][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.150968][ T72] netlink_unicast+0x449/0x710 [ 4481.150968][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.150968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.150968][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.150968][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.150968][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.150968][ T72] [ 4481.153426][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4481.153426][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4481.153426][ T72] ipv6_find_idev+0x102/0x170 [ 4481.153426][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4481.153426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.153426][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.153426][ T72] netlink_unicast+0x449/0x710 [ 4481.153426][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.153426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.153426][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.153426][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.153426][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.153426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.153426][ T72] [ 4481.155354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4481.155354][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4481.155354][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4481.155354][ T72] ipv6_find_idev+0x102/0x170 [ 4481.155354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4481.155354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4481.155354][ T72] netlink_rcv_skb+0x130/0x360 [ 4481.155354][ T72] netlink_unicast+0x449/0x710 [ 4481.155354][ T72] netlink_sendmsg+0x723/0xbe0 [ 4481.155354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4481.155354][ T72] ___sys_sendmsg+0xee/0x170 [ 4481.155354][ T72] __sys_sendmsg+0xcd/0x170 [ 4481.155354][ T72] do_syscall_64+0xc6/0x1e0 [ 4481.155354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4481.155354][ T72] [ 4491.168906][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4491.169419][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4491.169419][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4491.169419][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4491.169419][ T72] fib6_nh_init+0xa22/0x1580 [ 4491.169419][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.169419][ T72] ip6_route_add+0x1c/0x140 [ 4491.169419][ T72] inet6_rtm_newroute+0x104/0x110 [ 4491.169419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.169419][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.169419][ T72] netlink_unicast+0x449/0x710 [ 4491.169419][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.169419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.169419][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.169419][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.169419][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.169419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.169419][ T72] [ 4491.171587][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4491.171587][ T72] dst_init+0x84/0x4a0 [ 4491.171587][ T72] dst_alloc+0x97/0x150 [ 4491.171587][ T72] ip6_dst_alloc+0x23/0x90 [ 4491.171587][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4491.171587][ T72] ip6_pol_route+0x56f/0x840 [ 4491.171587][ T72] fib6_rule_lookup+0x456/0x630 [ 4491.171587][ T72] ip6_route_input+0x59c/0xa50 [ 4491.171587][ T72] ipv6_rcv+0x397/0x810 [ 4491.171587][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4491.171587][ T72] process_backlog+0x101/0x620 [ 4491.171587][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4491.171587][ T72] net_rx_action+0x495/0xbe0 [ 4491.171587][ T72] __do_softirq+0x1b5/0x7f6 [ 4491.171587][ T72] [ 4491.173514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4491.173514][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.173514][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.173514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.173514][ T72] ip6_route_add+0x1c/0x140 [ 4491.173514][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4491.173514][ T72] inet6_addr_add+0x4f8/0xa40 [ 4491.173514][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.173514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.173514][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.173514][ T72] netlink_unicast+0x449/0x710 [ 4491.173514][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.173514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.173514][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.173514][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.173514][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.173514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.173514][ T72] [ 4491.175769][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4491.175769][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.175769][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.175769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.175769][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4491.175769][ T72] ipv6_add_addr+0x411/0x2000 [ 4491.175769][ T72] inet6_addr_add+0x30e/0xa40 [ 4491.175769][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.175769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.175769][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.175769][ T72] netlink_unicast+0x449/0x710 [ 4491.175769][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.175769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.175769][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.175769][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.175769][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.175769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.175769][ T72] [ 4491.178028][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4491.178028][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.178028][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.178028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.178028][ T72] ip6_route_add+0x1c/0x140 [ 4491.178028][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4491.178028][ T72] addrconf_add_dev+0xe2/0x170 [ 4491.178028][ T72] inet6_addr_add+0x12f/0xa40 [ 4491.178028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.178028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.178028][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.178028][ T72] netlink_unicast+0x449/0x710 [ 4491.178028][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.178028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.178028][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.178028][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.178028][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.178028][ T72] [ 4491.180276][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4491.180276][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4491.180276][ T72] ipv6_find_idev+0x102/0x170 [ 4491.180276][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.180276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.180276][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.180276][ T72] netlink_unicast+0x449/0x710 [ 4491.180276][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.180276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.180276][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.180276][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.180276][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.180276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.180276][ T72] [ 4491.182028][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4491.182028][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4491.182028][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4491.182028][ T72] ipv6_find_idev+0x102/0x170 [ 4491.182028][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.182028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.182028][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.182028][ T72] netlink_unicast+0x449/0x710 [ 4491.182028][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.182028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.182028][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.182028][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.182028][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.182028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.182028][ T72] [ 4491.183941][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4491.184239][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4491.184239][ T72] dst_init+0x84/0x4a0 [ 4491.184239][ T72] dst_alloc+0x97/0x150 [ 4491.184239][ T72] ip6_dst_alloc+0x23/0x90 [ 4491.184239][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4491.184239][ T72] ip6_pol_route+0x56f/0x840 [ 4491.184239][ T72] fib6_rule_lookup+0x456/0x630 [ 4491.184239][ T72] ip6_route_input+0x59c/0xa50 [ 4491.184239][ T72] ipv6_rcv+0x397/0x810 [ 4491.184239][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4491.184239][ T72] process_backlog+0x101/0x620 [ 4491.184239][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4491.184239][ T72] net_rx_action+0x495/0xbe0 [ 4491.184239][ T72] __do_softirq+0x1b5/0x7f6 [ 4491.184239][ T72] [ 4491.186120][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4491.186120][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.186120][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.186120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.186120][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4491.186120][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4491.186120][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4491.186120][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4491.186120][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4491.186120][ T72] addrconf_dad_begin+0x310/0x670 [ 4491.186120][ T72] addrconf_dad_work+0x10b/0xab0 [ 4491.186120][ T72] process_one_work+0x84d/0x18a0 [ 4491.186120][ T72] worker_thread+0x587/0xd30 [ 4491.186120][ T72] kthread+0x28a/0x350 [ 4491.186120][ T72] ret_from_fork+0x31/0x70 [ 4491.186120][ T72] ret_from_fork_asm+0x1a/0x30 [ 4491.186120][ T72] [ 4491.188306][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4491.188306][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.188306][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.188306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.188306][ T72] ip6_route_add+0x1c/0x140 [ 4491.188306][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4491.188306][ T72] inet6_addr_add+0x4f8/0xa40 [ 4491.188306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.188306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.188306][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.188306][ T72] netlink_unicast+0x449/0x710 [ 4491.188306][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.188306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.188306][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.188306][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.188306][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.188306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.188306][ T72] [ 4491.190628][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4491.190628][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.190628][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.190628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.190628][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4491.190628][ T72] ipv6_add_addr+0x411/0x2000 [ 4491.190628][ T72] inet6_addr_add+0x30e/0xa40 [ 4491.190628][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.190628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.190628][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.190628][ T72] netlink_unicast+0x449/0x710 [ 4491.190628][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.190628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.190628][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.190628][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.190628][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.190628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.190628][ T72] [ 4491.192884][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4491.192884][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.192884][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.192884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.192884][ T72] ip6_route_add+0x1c/0x140 [ 4491.192884][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4491.192884][ T72] addrconf_add_dev+0xe2/0x170 [ 4491.192884][ T72] inet6_addr_add+0x12f/0xa40 [ 4491.192884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.192884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.192884][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.192884][ T72] netlink_unicast+0x449/0x710 [ 4491.192884][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.192884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.192884][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.192884][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.192884][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.192884][ T72] [ 4491.195107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4491.195107][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4491.195107][ T72] ipv6_find_idev+0x102/0x170 [ 4491.195107][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.195107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.195107][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.195107][ T72] netlink_unicast+0x449/0x710 [ 4491.195107][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.195107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.195107][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.195107][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.195107][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.195107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.195107][ T72] [ 4491.196840][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4491.196840][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4491.196840][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4491.196840][ T72] ipv6_find_idev+0x102/0x170 [ 4491.196840][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.196840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.196840][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.196840][ T72] netlink_unicast+0x449/0x710 [ 4491.196840][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.196840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.196840][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.196840][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.196840][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.196840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.196840][ T72] [ 4491.198901][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4491.199196][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4491.199196][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4491.199196][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4491.199196][ T72] fib6_nh_init+0xa22/0x1580 [ 4491.199196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.199196][ T72] ip6_route_add+0x1c/0x140 [ 4491.199196][ T72] inet6_rtm_newroute+0x104/0x110 [ 4491.199196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.199196][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.199196][ T72] netlink_unicast+0x449/0x710 [ 4491.199196][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.199196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.199196][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.199196][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.199196][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.199196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.199196][ T72] [ 4491.201625][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4491.201625][ T72] dst_init+0x84/0x4a0 [ 4491.201625][ T72] dst_alloc+0x97/0x150 [ 4491.201625][ T72] ip6_dst_alloc+0x23/0x90 [ 4491.201625][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4491.201625][ T72] ip6_pol_route+0x56f/0x840 [ 4491.201625][ T72] fib6_rule_lookup+0x456/0x630 [ 4491.201625][ T72] ip6_route_input+0x59c/0xa50 [ 4491.201625][ T72] ipv6_rcv+0x397/0x810 [ 4491.201625][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4491.201625][ T72] process_backlog+0x101/0x620 [ 4491.201625][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4491.201625][ T72] net_rx_action+0x495/0xbe0 [ 4491.201625][ T72] __do_softirq+0x1b5/0x7f6 [ 4491.201625][ T72] [ 4491.203653][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4491.203653][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.203653][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.203653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.203653][ T72] ip6_route_add+0x1c/0x140 [ 4491.203653][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4491.203653][ T72] inet6_addr_add+0x4f8/0xa40 [ 4491.203653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.203653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.203653][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.203653][ T72] netlink_unicast+0x449/0x710 [ 4491.203653][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.203653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.203653][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.203653][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.203653][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.203653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.203653][ T72] [ 4491.206164][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4491.206164][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.206164][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.206164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.206164][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4491.206164][ T72] ipv6_add_addr+0x411/0x2000 [ 4491.206164][ T72] inet6_addr_add+0x30e/0xa40 [ 4491.206164][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.206164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.206164][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.206164][ T72] netlink_unicast+0x449/0x710 [ 4491.206164][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.206164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.206164][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.206164][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.206164][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.206164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.206164][ T72] [ 4491.208620][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4491.208620][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.208620][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.208620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.208620][ T72] ip6_route_add+0x1c/0x140 [ 4491.208620][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4491.208620][ T72] addrconf_add_dev+0xe2/0x170 [ 4491.208620][ T72] inet6_addr_add+0x12f/0xa40 [ 4491.208620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.208620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.208620][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.208620][ T72] netlink_unicast+0x449/0x710 [ 4491.208620][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.208620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.208620][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.208620][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.208620][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.208620][ T72] [ 4491.211142][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4491.211142][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4491.211142][ T72] ipv6_find_idev+0x102/0x170 [ 4491.211142][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.211142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.211142][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.211142][ T72] netlink_unicast+0x449/0x710 [ 4491.211142][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.211142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.211142][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.211142][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.211142][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.211142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.211142][ T72] [ 4491.213065][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4491.213065][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4491.213065][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4491.213065][ T72] ipv6_find_idev+0x102/0x170 [ 4491.213065][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.213065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.213065][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.213065][ T72] netlink_unicast+0x449/0x710 [ 4491.213065][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.213065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.213065][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.213065][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.213065][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.213065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.213065][ T72] [ 4491.215156][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4491.215529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4491.215529][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.215529][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.215529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.215529][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4491.215529][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4491.215529][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4491.215529][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4491.215529][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4491.215529][ T72] addrconf_dad_begin+0x310/0x670 [ 4491.215529][ T72] addrconf_dad_work+0x10b/0xab0 [ 4491.215529][ T72] process_one_work+0x84d/0x18a0 [ 4491.215529][ T72] worker_thread+0x587/0xd30 [ 4491.215529][ T72] kthread+0x28a/0x350 [ 4491.215529][ T72] ret_from_fork+0x31/0x70 [ 4491.215529][ T72] ret_from_fork_asm+0x1a/0x30 [ 4491.215529][ T72] [ 4491.217818][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4491.217818][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.217818][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.217818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.217818][ T72] ip6_route_add+0x1c/0x140 [ 4491.217818][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4491.217818][ T72] inet6_addr_add+0x4f8/0xa40 [ 4491.217818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.217818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.217818][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.217818][ T72] netlink_unicast+0x449/0x710 [ 4491.217818][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.217818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.217818][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.217818][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.217818][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.217818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.217818][ T72] [ 4491.220325][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4491.220325][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.220325][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.220325][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.220325][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4491.220325][ T72] ipv6_add_addr+0x411/0x2000 [ 4491.220325][ T72] inet6_addr_add+0x30e/0xa40 [ 4491.220325][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.220325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.220325][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.220325][ T72] netlink_unicast+0x449/0x710 [ 4491.220325][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.220325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.220325][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.220325][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.220325][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.220325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.220325][ T72] [ 4491.222907][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4491.222907][ T72] netdev_get_by_index+0x5e/0x80 [ 4491.222907][ T72] fib6_nh_init+0x3d8/0x1580 [ 4491.222907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4491.222907][ T72] ip6_route_add+0x1c/0x140 [ 4491.222907][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4491.222907][ T72] addrconf_add_dev+0xe2/0x170 [ 4491.222907][ T72] inet6_addr_add+0x12f/0xa40 [ 4491.222907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4491.222907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.222907][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.222907][ T72] netlink_unicast+0x449/0x710 [ 4491.222907][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.222907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.222907][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.222907][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.222907][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.222907][ T72] [ 4491.225373][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4491.225373][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4491.225373][ T72] ipv6_find_idev+0x102/0x170 [ 4491.225373][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.225373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.225373][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.225373][ T72] netlink_unicast+0x449/0x710 [ 4491.225373][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.225373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.225373][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.225373][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.225373][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.225373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.225373][ T72] [ 4491.227294][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4491.227294][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4491.227294][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4491.227294][ T72] ipv6_find_idev+0x102/0x170 [ 4491.227294][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4491.227294][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4491.227294][ T72] netlink_rcv_skb+0x130/0x360 [ 4491.227294][ T72] netlink_unicast+0x449/0x710 [ 4491.227294][ T72] netlink_sendmsg+0x723/0xbe0 [ 4491.227294][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4491.227294][ T72] ___sys_sendmsg+0xee/0x170 [ 4491.227294][ T72] __sys_sendmsg+0xcd/0x170 [ 4491.227294][ T72] do_syscall_64+0xc6/0x1e0 [ 4491.227294][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4491.227294][ T72] [ 4501.480912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4501.481521][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4501.481521][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4501.481521][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4501.481521][ T72] fib6_nh_init+0xa22/0x1580 [ 4501.481521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.481521][ T72] ip6_route_add+0x1c/0x140 [ 4501.481521][ T72] inet6_rtm_newroute+0x104/0x110 [ 4501.481521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.481521][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.481521][ T72] netlink_unicast+0x449/0x710 [ 4501.481521][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.481521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.481521][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.481521][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.481521][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.481521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.481521][ T72] [ 4501.483766][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4501.483766][ T72] dst_init+0x84/0x4a0 [ 4501.483766][ T72] dst_alloc+0x97/0x150 [ 4501.483766][ T72] ip6_dst_alloc+0x23/0x90 [ 4501.483766][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4501.483766][ T72] ip6_pol_route+0x56f/0x840 [ 4501.483766][ T72] fib6_rule_lookup+0x456/0x630 [ 4501.483766][ T72] ip6_route_input+0x59c/0xa50 [ 4501.483766][ T72] ipv6_rcv+0x397/0x810 [ 4501.483766][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4501.483766][ T72] process_backlog+0x101/0x620 [ 4501.483766][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4501.483766][ T72] net_rx_action+0x495/0xbe0 [ 4501.483766][ T72] __do_softirq+0x1b5/0x7f6 [ 4501.483766][ T72] [ 4501.485650][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4501.485650][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.485650][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.485650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.485650][ T72] ip6_route_add+0x1c/0x140 [ 4501.485650][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4501.485650][ T72] inet6_addr_add+0x4f8/0xa40 [ 4501.485650][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.485650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.485650][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.485650][ T72] netlink_unicast+0x449/0x710 [ 4501.485650][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.485650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.485650][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.485650][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.485650][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.485650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.485650][ T72] [ 4501.487921][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4501.487921][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.487921][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.487921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.487921][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4501.487921][ T72] ipv6_add_addr+0x411/0x2000 [ 4501.487921][ T72] inet6_addr_add+0x30e/0xa40 [ 4501.487921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.487921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.487921][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.487921][ T72] netlink_unicast+0x449/0x710 [ 4501.487921][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.487921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.487921][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.487921][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.487921][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.487921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.487921][ T72] [ 4501.490170][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4501.490170][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.490170][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.490170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.490170][ T72] ip6_route_add+0x1c/0x140 [ 4501.490170][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4501.490170][ T72] addrconf_add_dev+0xe2/0x170 [ 4501.490170][ T72] inet6_addr_add+0x12f/0xa40 [ 4501.490170][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.490170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.490170][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.490170][ T72] netlink_unicast+0x449/0x710 [ 4501.490170][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.490170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.490170][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.490170][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.490170][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.490170][ T72] [ 4501.492377][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4501.492377][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4501.492377][ T72] ipv6_find_idev+0x102/0x170 [ 4501.492377][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.492377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.492377][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.492377][ T72] netlink_unicast+0x449/0x710 [ 4501.492377][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.492377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.492377][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.492377][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.492377][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.492377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.492377][ T72] [ 4501.494174][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4501.494174][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4501.494174][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4501.494174][ T72] ipv6_find_idev+0x102/0x170 [ 4501.494174][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.494174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.494174][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.494174][ T72] netlink_unicast+0x449/0x710 [ 4501.494174][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.494174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.494174][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.494174][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.494174][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.494174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.494174][ T72] [ 4501.496079][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4501.496396][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4501.496396][ T72] dst_init+0x84/0x4a0 [ 4501.496396][ T72] dst_alloc+0x97/0x150 [ 4501.496396][ T72] ip6_dst_alloc+0x23/0x90 [ 4501.496396][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4501.496396][ T72] ip6_pol_route+0x56f/0x840 [ 4501.496396][ T72] fib6_rule_lookup+0x456/0x630 [ 4501.496396][ T72] ip6_route_input+0x59c/0xa50 [ 4501.496396][ T72] ipv6_rcv+0x397/0x810 [ 4501.496396][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4501.496396][ T72] process_backlog+0x101/0x620 [ 4501.496396][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4501.496396][ T72] net_rx_action+0x495/0xbe0 [ 4501.496396][ T72] __do_softirq+0x1b5/0x7f6 [ 4501.496396][ T72] [ 4501.498273][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4501.498273][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.498273][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.498273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.498273][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4501.498273][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4501.498273][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4501.498273][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4501.498273][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4501.498273][ T72] addrconf_dad_begin+0x310/0x670 [ 4501.498273][ T72] addrconf_dad_work+0x10b/0xab0 [ 4501.498273][ T72] process_one_work+0x84d/0x18a0 [ 4501.498273][ T72] worker_thread+0x587/0xd30 [ 4501.498273][ T72] kthread+0x28a/0x350 [ 4501.498273][ T72] ret_from_fork+0x31/0x70 [ 4501.498273][ T72] ret_from_fork_asm+0x1a/0x30 [ 4501.498273][ T72] [ 4501.500448][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4501.500448][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.500448][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.500448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.500448][ T72] ip6_route_add+0x1c/0x140 [ 4501.500448][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4501.500448][ T72] inet6_addr_add+0x4f8/0xa40 [ 4501.500448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.500448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.500448][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.500448][ T72] netlink_unicast+0x449/0x710 [ 4501.500448][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.500448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.500448][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.500448][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.500448][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.500448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.500448][ T72] [ 4501.502758][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4501.502758][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.502758][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.502758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.502758][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4501.502758][ T72] ipv6_add_addr+0x411/0x2000 [ 4501.502758][ T72] inet6_addr_add+0x30e/0xa40 [ 4501.502758][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.502758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.502758][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.502758][ T72] netlink_unicast+0x449/0x710 [ 4501.502758][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.502758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.502758][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.502758][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.502758][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.502758][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.502758][ T72] [ 4501.505358][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4501.505358][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.505358][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.505358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.505358][ T72] ip6_route_add+0x1c/0x140 [ 4501.505358][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4501.505358][ T72] addrconf_add_dev+0xe2/0x170 [ 4501.505358][ T72] inet6_addr_add+0x12f/0xa40 [ 4501.505358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.505358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.505358][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.505358][ T72] netlink_unicast+0x449/0x710 [ 4501.505358][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.505358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.505358][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.505358][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.505358][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.505358][ T72] [ 4501.507598][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4501.507598][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4501.507598][ T72] ipv6_find_idev+0x102/0x170 [ 4501.507598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.507598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.507598][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.507598][ T72] netlink_unicast+0x449/0x710 [ 4501.507598][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.507598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.507598][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.507598][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.507598][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.507598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.507598][ T72] [ 4501.509336][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4501.509336][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4501.509336][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4501.509336][ T72] ipv6_find_idev+0x102/0x170 [ 4501.509336][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.509336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.509336][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.509336][ T72] netlink_unicast+0x449/0x710 [ 4501.509336][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.509336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.509336][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.509336][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.509336][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.509336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.509336][ T72] [ 4501.511370][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4501.511684][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4501.511684][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4501.511684][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4501.511684][ T72] fib6_nh_init+0xa22/0x1580 [ 4501.511684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.511684][ T72] ip6_route_add+0x1c/0x140 [ 4501.511684][ T72] inet6_rtm_newroute+0x104/0x110 [ 4501.511684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.511684][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.511684][ T72] netlink_unicast+0x449/0x710 [ 4501.511684][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.511684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.511684][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.511684][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.511684][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.511684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.511684][ T72] [ 4501.514106][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4501.514106][ T72] dst_init+0x84/0x4a0 [ 4501.514106][ T72] dst_alloc+0x97/0x150 [ 4501.514106][ T72] ip6_dst_alloc+0x23/0x90 [ 4501.514106][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4501.514106][ T72] ip6_pol_route+0x56f/0x840 [ 4501.514106][ T72] fib6_rule_lookup+0x456/0x630 [ 4501.514106][ T72] ip6_route_input+0x59c/0xa50 [ 4501.514106][ T72] ipv6_rcv+0x397/0x810 [ 4501.514106][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4501.514106][ T72] process_backlog+0x101/0x620 [ 4501.514106][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4501.514106][ T72] net_rx_action+0x495/0xbe0 [ 4501.514106][ T72] __do_softirq+0x1b5/0x7f6 [ 4501.514106][ T72] [ 4501.516132][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4501.516132][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.516132][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.516132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.516132][ T72] ip6_route_add+0x1c/0x140 [ 4501.516132][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4501.516132][ T72] inet6_addr_add+0x4f8/0xa40 [ 4501.516132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.516132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.516132][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.516132][ T72] netlink_unicast+0x449/0x710 [ 4501.516132][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.516132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.516132][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.516132][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.516132][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.516132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.516132][ T72] [ 4501.518642][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4501.518642][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.518642][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.518642][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.518642][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4501.518642][ T72] ipv6_add_addr+0x411/0x2000 [ 4501.518642][ T72] inet6_addr_add+0x30e/0xa40 [ 4501.518642][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.518642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.518642][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.518642][ T72] netlink_unicast+0x449/0x710 [ 4501.518642][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.518642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.518642][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.518642][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.518642][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.518642][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.518642][ T72] [ 4501.521070][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4501.521070][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.521070][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.521070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.521070][ T72] ip6_route_add+0x1c/0x140 [ 4501.521070][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4501.521070][ T72] addrconf_add_dev+0xe2/0x170 [ 4501.521070][ T72] inet6_addr_add+0x12f/0xa40 [ 4501.521070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.521070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.521070][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.521070][ T72] netlink_unicast+0x449/0x710 [ 4501.521070][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.521070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.521070][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.521070][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.521070][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.521070][ T72] [ 4501.523610][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4501.523610][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4501.523610][ T72] ipv6_find_idev+0x102/0x170 [ 4501.523610][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.523610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.523610][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.523610][ T72] netlink_unicast+0x449/0x710 [ 4501.523610][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.523610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.523610][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.523610][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.523610][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.523610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.523610][ T72] [ 4501.525536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4501.525536][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4501.525536][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4501.525536][ T72] ipv6_find_idev+0x102/0x170 [ 4501.525536][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.525536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.525536][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.525536][ T72] netlink_unicast+0x449/0x710 [ 4501.525536][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.525536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.525536][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.525536][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.525536][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.525536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.525536][ T72] [ 4501.527638][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4501.528454][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4501.528454][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.528454][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.528454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.528454][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4501.528454][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4501.528454][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4501.528454][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4501.528454][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4501.528454][ T72] addrconf_dad_begin+0x310/0x670 [ 4501.528454][ T72] addrconf_dad_work+0x10b/0xab0 [ 4501.528454][ T72] process_one_work+0x84d/0x18a0 [ 4501.528454][ T72] worker_thread+0x587/0xd30 [ 4501.528454][ T72] kthread+0x28a/0x350 [ 4501.528454][ T72] ret_from_fork+0x31/0x70 [ 4501.528454][ T72] ret_from_fork_asm+0x1a/0x30 [ 4501.528454][ T72] [ 4501.530612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4501.530612][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.530612][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.530612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.530612][ T72] ip6_route_add+0x1c/0x140 [ 4501.530612][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4501.530612][ T72] inet6_addr_add+0x4f8/0xa40 [ 4501.530612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.530612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.530612][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.530612][ T72] netlink_unicast+0x449/0x710 [ 4501.530612][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.530612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.530612][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.530612][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.530612][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.530612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.530612][ T72] [ 4501.532884][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4501.532884][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.532884][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.532884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.532884][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4501.532884][ T72] ipv6_add_addr+0x411/0x2000 [ 4501.532884][ T72] inet6_addr_add+0x30e/0xa40 [ 4501.532884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.532884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.532884][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.532884][ T72] netlink_unicast+0x449/0x710 [ 4501.532884][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.532884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.532884][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.532884][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.532884][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.532884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.532884][ T72] [ 4501.535375][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4501.535375][ T72] netdev_get_by_index+0x5e/0x80 [ 4501.535375][ T72] fib6_nh_init+0x3d8/0x1580 [ 4501.535375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4501.535375][ T72] ip6_route_add+0x1c/0x140 [ 4501.535375][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4501.535375][ T72] addrconf_add_dev+0xe2/0x170 [ 4501.535375][ T72] inet6_addr_add+0x12f/0xa40 [ 4501.535375][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.535375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.535375][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.535375][ T72] netlink_unicast+0x449/0x710 [ 4501.535375][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.535375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.535375][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.535375][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.535375][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.535375][ T72] [ 4501.537904][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4501.537904][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4501.537904][ T72] ipv6_find_idev+0x102/0x170 [ 4501.537904][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.537904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.537904][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.537904][ T72] netlink_unicast+0x449/0x710 [ 4501.537904][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.537904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.537904][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.537904][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.537904][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.537904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.537904][ T72] [ 4501.540332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4501.540332][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4501.540332][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4501.540332][ T72] ipv6_find_idev+0x102/0x170 [ 4501.540332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.540332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.540332][ T72] netlink_rcv_skb+0x130/0x360 [ 4501.540332][ T72] netlink_unicast+0x449/0x710 [ 4501.540332][ T72] netlink_sendmsg+0x723/0xbe0 [ 4501.540332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4501.540332][ T72] ___sys_sendmsg+0xee/0x170 [ 4501.540332][ T72] __sys_sendmsg+0xcd/0x170 [ 4501.540332][ T72] do_syscall_64+0xc6/0x1e0 [ 4501.540332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.540332][ T72] [ 4511.792904][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4511.793394][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4511.793394][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4511.793394][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4511.793394][ T72] fib6_nh_init+0xa22/0x1580 [ 4511.793394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.793394][ T72] ip6_route_add+0x1c/0x140 [ 4511.793394][ T72] inet6_rtm_newroute+0x104/0x110 [ 4511.793394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.793394][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.793394][ T72] netlink_unicast+0x449/0x710 [ 4511.793394][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.793394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.793394][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.793394][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.793394][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.793394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.793394][ T72] [ 4511.795544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4511.795544][ T72] dst_init+0x84/0x4a0 [ 4511.795544][ T72] dst_alloc+0x97/0x150 [ 4511.795544][ T72] ip6_dst_alloc+0x23/0x90 [ 4511.795544][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4511.795544][ T72] ip6_pol_route+0x56f/0x840 [ 4511.795544][ T72] fib6_rule_lookup+0x456/0x630 [ 4511.795544][ T72] ip6_route_input+0x59c/0xa50 [ 4511.795544][ T72] ipv6_rcv+0x397/0x810 [ 4511.795544][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4511.795544][ T72] process_backlog+0x101/0x620 [ 4511.795544][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4511.795544][ T72] net_rx_action+0x495/0xbe0 [ 4511.795544][ T72] __do_softirq+0x1b5/0x7f6 [ 4511.795544][ T72] [ 4511.797424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4511.797424][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.797424][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.797424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.797424][ T72] ip6_route_add+0x1c/0x140 [ 4511.797424][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4511.797424][ T72] inet6_addr_add+0x4f8/0xa40 [ 4511.797424][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.797424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.797424][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.797424][ T72] netlink_unicast+0x449/0x710 [ 4511.797424][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.797424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.797424][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.797424][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.797424][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.797424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.797424][ T72] [ 4511.799688][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4511.799688][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.799688][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.799688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.799688][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4511.799688][ T72] ipv6_add_addr+0x411/0x2000 [ 4511.799688][ T72] inet6_addr_add+0x30e/0xa40 [ 4511.799688][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.799688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.799688][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.799688][ T72] netlink_unicast+0x449/0x710 [ 4511.799688][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.799688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.799688][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.799688][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.799688][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.799688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.799688][ T72] [ 4511.801931][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4511.801931][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.801931][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.801931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.801931][ T72] ip6_route_add+0x1c/0x140 [ 4511.801931][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4511.801931][ T72] addrconf_add_dev+0xe2/0x170 [ 4511.801931][ T72] inet6_addr_add+0x12f/0xa40 [ 4511.801931][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.801931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.801931][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.801931][ T72] netlink_unicast+0x449/0x710 [ 4511.801931][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.801931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.801931][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.801931][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.801931][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.801931][ T72] [ 4511.804175][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4511.804175][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4511.804175][ T72] ipv6_find_idev+0x102/0x170 [ 4511.804175][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.804175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.804175][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.804175][ T72] netlink_unicast+0x449/0x710 [ 4511.804175][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.804175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.804175][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.804175][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.804175][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.804175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.804175][ T72] [ 4511.805930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4511.805930][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4511.805930][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4511.805930][ T72] ipv6_find_idev+0x102/0x170 [ 4511.805930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.805930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.805930][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.805930][ T72] netlink_unicast+0x449/0x710 [ 4511.805930][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.805930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.805930][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.805930][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.805930][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.805930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.805930][ T72] [ 4511.807845][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4511.808140][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4511.808140][ T72] dst_init+0x84/0x4a0 [ 4511.808140][ T72] dst_alloc+0x97/0x150 [ 4511.808140][ T72] ip6_dst_alloc+0x23/0x90 [ 4511.808140][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4511.808140][ T72] ip6_pol_route+0x56f/0x840 [ 4511.808140][ T72] fib6_rule_lookup+0x456/0x630 [ 4511.808140][ T72] ip6_route_input+0x59c/0xa50 [ 4511.808140][ T72] ipv6_rcv+0x397/0x810 [ 4511.808140][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4511.808140][ T72] process_backlog+0x101/0x620 [ 4511.808140][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4511.808140][ T72] net_rx_action+0x495/0xbe0 [ 4511.808140][ T72] __do_softirq+0x1b5/0x7f6 [ 4511.808140][ T72] [ 4511.809986][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4511.809986][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.809986][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.809986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.809986][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4511.809986][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4511.809986][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4511.809986][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4511.809986][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4511.809986][ T72] addrconf_dad_begin+0x310/0x670 [ 4511.809986][ T72] addrconf_dad_work+0x10b/0xab0 [ 4511.809986][ T72] process_one_work+0x84d/0x18a0 [ 4511.809986][ T72] worker_thread+0x587/0xd30 [ 4511.809986][ T72] kthread+0x28a/0x350 [ 4511.809986][ T72] ret_from_fork+0x31/0x70 [ 4511.809986][ T72] ret_from_fork_asm+0x1a/0x30 [ 4511.809986][ T72] [ 4511.812150][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4511.812150][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.812150][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.812150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.812150][ T72] ip6_route_add+0x1c/0x140 [ 4511.812150][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4511.812150][ T72] inet6_addr_add+0x4f8/0xa40 [ 4511.812150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.812150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.812150][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.812150][ T72] netlink_unicast+0x449/0x710 [ 4511.812150][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.812150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.812150][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.812150][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.812150][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.812150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.812150][ T72] [ 4511.814412][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4511.814412][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.814412][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.814412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.814412][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4511.814412][ T72] ipv6_add_addr+0x411/0x2000 [ 4511.814412][ T72] inet6_addr_add+0x30e/0xa40 [ 4511.814412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.814412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.814412][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.814412][ T72] netlink_unicast+0x449/0x710 [ 4511.814412][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.814412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.814412][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.814412][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.814412][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.814412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.814412][ T72] [ 4511.816672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4511.816672][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.816672][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.816672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.816672][ T72] ip6_route_add+0x1c/0x140 [ 4511.816672][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4511.816672][ T72] addrconf_add_dev+0xe2/0x170 [ 4511.816672][ T72] inet6_addr_add+0x12f/0xa40 [ 4511.816672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.816672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.816672][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.816672][ T72] netlink_unicast+0x449/0x710 [ 4511.816672][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.816672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.816672][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.816672][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.816672][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.816672][ T72] [ 4511.818891][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4511.818891][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4511.818891][ T72] ipv6_find_idev+0x102/0x170 [ 4511.818891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.818891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.818891][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.818891][ T72] netlink_unicast+0x449/0x710 [ 4511.818891][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.818891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.818891][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.818891][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.818891][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.818891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.818891][ T72] [ 4511.820653][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4511.820653][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4511.820653][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4511.820653][ T72] ipv6_find_idev+0x102/0x170 [ 4511.820653][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.820653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.820653][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.820653][ T72] netlink_unicast+0x449/0x710 [ 4511.820653][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.820653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.820653][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.820653][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.820653][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.820653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.820653][ T72] [ 4511.822685][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4511.823000][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4511.823000][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4511.823000][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4511.823000][ T72] fib6_nh_init+0xa22/0x1580 [ 4511.823000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.823000][ T72] ip6_route_add+0x1c/0x140 [ 4511.823000][ T72] inet6_rtm_newroute+0x104/0x110 [ 4511.823000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.823000][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.823000][ T72] netlink_unicast+0x449/0x710 [ 4511.823000][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.823000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.823000][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.823000][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.823000][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.823000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.823000][ T72] [ 4511.825415][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4511.825415][ T72] dst_init+0x84/0x4a0 [ 4511.825415][ T72] dst_alloc+0x97/0x150 [ 4511.825415][ T72] ip6_dst_alloc+0x23/0x90 [ 4511.825415][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4511.825415][ T72] ip6_pol_route+0x56f/0x840 [ 4511.825415][ T72] fib6_rule_lookup+0x456/0x630 [ 4511.825415][ T72] ip6_route_input+0x59c/0xa50 [ 4511.825415][ T72] ipv6_rcv+0x397/0x810 [ 4511.825415][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4511.825415][ T72] process_backlog+0x101/0x620 [ 4511.825415][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4511.825415][ T72] net_rx_action+0x495/0xbe0 [ 4511.825415][ T72] __do_softirq+0x1b5/0x7f6 [ 4511.825415][ T72] [ 4511.827482][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4511.827482][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.827482][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.827482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.827482][ T72] ip6_route_add+0x1c/0x140 [ 4511.827482][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4511.827482][ T72] inet6_addr_add+0x4f8/0xa40 [ 4511.827482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.827482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.827482][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.827482][ T72] netlink_unicast+0x449/0x710 [ 4511.827482][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.827482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.827482][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.827482][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.827482][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.827482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.827482][ T72] [ 4511.829998][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4511.829998][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.829998][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.829998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.829998][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4511.829998][ T72] ipv6_add_addr+0x411/0x2000 [ 4511.829998][ T72] inet6_addr_add+0x30e/0xa40 [ 4511.829998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.829998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.829998][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.829998][ T72] netlink_unicast+0x449/0x710 [ 4511.829998][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.829998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.829998][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.829998][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.829998][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.829998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.829998][ T72] [ 4511.832447][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4511.832447][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.832447][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.832447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.832447][ T72] ip6_route_add+0x1c/0x140 [ 4511.832447][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4511.832447][ T72] addrconf_add_dev+0xe2/0x170 [ 4511.832447][ T72] inet6_addr_add+0x12f/0xa40 [ 4511.832447][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.832447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.832447][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.832447][ T72] netlink_unicast+0x449/0x710 [ 4511.832447][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.832447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.832447][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.832447][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.832447][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.832447][ T72] [ 4511.834986][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4511.834986][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4511.834986][ T72] ipv6_find_idev+0x102/0x170 [ 4511.834986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.834986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.834986][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.834986][ T72] netlink_unicast+0x449/0x710 [ 4511.834986][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.834986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.834986][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.834986][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.834986][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.834986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.834986][ T72] [ 4511.836960][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4511.836960][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4511.836960][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4511.836960][ T72] ipv6_find_idev+0x102/0x170 [ 4511.836960][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.836960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.836960][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.836960][ T72] netlink_unicast+0x449/0x710 [ 4511.836960][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.836960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.836960][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.836960][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.836960][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.836960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.836960][ T72] [ 4511.839072][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4511.839460][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4511.839460][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.839460][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.839460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.839460][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4511.839460][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4511.839460][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4511.839460][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4511.839460][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4511.839460][ T72] addrconf_dad_begin+0x310/0x670 [ 4511.839460][ T72] addrconf_dad_work+0x10b/0xab0 [ 4511.839460][ T72] process_one_work+0x84d/0x18a0 [ 4511.839460][ T72] worker_thread+0x587/0xd30 [ 4511.839460][ T72] kthread+0x28a/0x350 [ 4511.839460][ T72] ret_from_fork+0x31/0x70 [ 4511.839460][ T72] ret_from_fork_asm+0x1a/0x30 [ 4511.839460][ T72] [ 4511.841747][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4511.841747][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.841747][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.841747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.841747][ T72] ip6_route_add+0x1c/0x140 [ 4511.841747][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4511.841747][ T72] inet6_addr_add+0x4f8/0xa40 [ 4511.841747][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.841747][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.841747][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.841747][ T72] netlink_unicast+0x449/0x710 [ 4511.841747][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.841747][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.841747][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.841747][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.841747][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.841747][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.841747][ T72] [ 4511.844247][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4511.844247][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.844247][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.844247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.844247][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4511.844247][ T72] ipv6_add_addr+0x411/0x2000 [ 4511.844247][ T72] inet6_addr_add+0x30e/0xa40 [ 4511.844247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.844247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.844247][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.844247][ T72] netlink_unicast+0x449/0x710 [ 4511.844247][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.844247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.844247][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.844247][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.844247][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.844247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.844247][ T72] [ 4511.846785][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4511.846785][ T72] netdev_get_by_index+0x5e/0x80 [ 4511.846785][ T72] fib6_nh_init+0x3d8/0x1580 [ 4511.846785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4511.846785][ T72] ip6_route_add+0x1c/0x140 [ 4511.846785][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4511.846785][ T72] addrconf_add_dev+0xe2/0x170 [ 4511.846785][ T72] inet6_addr_add+0x12f/0xa40 [ 4511.846785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.846785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.846785][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.846785][ T72] netlink_unicast+0x449/0x710 [ 4511.846785][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.846785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.846785][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.846785][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.846785][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.846785][ T72] [ 4511.849280][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4511.849280][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4511.849280][ T72] ipv6_find_idev+0x102/0x170 [ 4511.849280][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.849280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.849280][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.849280][ T72] netlink_unicast+0x449/0x710 [ 4511.849280][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.849280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.849280][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.849280][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.849280][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.849280][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.849280][ T72] [ 4511.851205][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4511.851205][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4511.851205][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4511.851205][ T72] ipv6_find_idev+0x102/0x170 [ 4511.851205][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.851205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.851205][ T72] netlink_rcv_skb+0x130/0x360 [ 4511.851205][ T72] netlink_unicast+0x449/0x710 [ 4511.851205][ T72] netlink_sendmsg+0x723/0xbe0 [ 4511.851205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4511.851205][ T72] ___sys_sendmsg+0xee/0x170 [ 4511.851205][ T72] __sys_sendmsg+0xcd/0x170 [ 4511.851205][ T72] do_syscall_64+0xc6/0x1e0 [ 4511.851205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.851205][ T72] [ 4522.104903][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4522.105500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4522.105500][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4522.105500][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4522.105500][ T72] fib6_nh_init+0xa22/0x1580 [ 4522.105500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.105500][ T72] ip6_route_add+0x1c/0x140 [ 4522.105500][ T72] inet6_rtm_newroute+0x104/0x110 [ 4522.105500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.105500][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.105500][ T72] netlink_unicast+0x449/0x710 [ 4522.105500][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.105500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.105500][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.105500][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.105500][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.105500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.105500][ T72] [ 4522.107669][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4522.107669][ T72] dst_init+0x84/0x4a0 [ 4522.107669][ T72] dst_alloc+0x97/0x150 [ 4522.107669][ T72] ip6_dst_alloc+0x23/0x90 [ 4522.107669][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4522.107669][ T72] ip6_pol_route+0x56f/0x840 [ 4522.107669][ T72] fib6_rule_lookup+0x456/0x630 [ 4522.107669][ T72] ip6_route_input+0x59c/0xa50 [ 4522.107669][ T72] ipv6_rcv+0x397/0x810 [ 4522.107669][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4522.107669][ T72] process_backlog+0x101/0x620 [ 4522.107669][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4522.107669][ T72] net_rx_action+0x495/0xbe0 [ 4522.107669][ T72] __do_softirq+0x1b5/0x7f6 [ 4522.107669][ T72] [ 4522.109476][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4522.109476][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.109476][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.109476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.109476][ T72] ip6_route_add+0x1c/0x140 [ 4522.109476][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4522.109476][ T72] inet6_addr_add+0x4f8/0xa40 [ 4522.109476][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.109476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.109476][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.109476][ T72] netlink_unicast+0x449/0x710 [ 4522.109476][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.109476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.109476][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.109476][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.109476][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.109476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.109476][ T72] [ 4522.111686][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4522.111686][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.111686][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.111686][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.111686][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4522.111686][ T72] ipv6_add_addr+0x411/0x2000 [ 4522.111686][ T72] inet6_addr_add+0x30e/0xa40 [ 4522.111686][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.111686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.111686][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.111686][ T72] netlink_unicast+0x449/0x710 [ 4522.111686][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.111686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.111686][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.111686][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.111686][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.111686][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.111686][ T72] [ 4522.113889][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4522.113889][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.113889][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.113889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.113889][ T72] ip6_route_add+0x1c/0x140 [ 4522.113889][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4522.113889][ T72] addrconf_add_dev+0xe2/0x170 [ 4522.113889][ T72] inet6_addr_add+0x12f/0xa40 [ 4522.113889][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.113889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.113889][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.113889][ T72] netlink_unicast+0x449/0x710 [ 4522.113889][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.113889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.113889][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.113889][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.113889][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.113889][ T72] [ 4522.116055][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4522.116055][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4522.116055][ T72] ipv6_find_idev+0x102/0x170 [ 4522.116055][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4522.116055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.116055][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.116055][ T72] netlink_unicast+0x449/0x710 [ 4522.116055][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.116055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.116055][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.116055][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.116055][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.116055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.116055][ T72] [ 4522.117764][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4522.117764][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4522.117764][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4522.117764][ T72] ipv6_find_idev+0x102/0x170 [ 4522.117764][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4522.117764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.117764][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.117764][ T72] netlink_unicast+0x449/0x710 [ 4522.117764][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.117764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.117764][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.117764][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.117764][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.117764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.117764][ T72] [ 4522.119642][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4522.119949][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4522.119949][ T72] dst_init+0x84/0x4a0 [ 4522.119949][ T72] dst_alloc+0x97/0x150 [ 4522.119949][ T72] ip6_dst_alloc+0x23/0x90 [ 4522.119949][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4522.119949][ T72] ip6_pol_route+0x56f/0x840 [ 4522.119949][ T72] fib6_rule_lookup+0x456/0x630 [ 4522.119949][ T72] ip6_route_input+0x59c/0xa50 [ 4522.119949][ T72] ipv6_rcv+0x397/0x810 [ 4522.119949][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4522.119949][ T72] process_backlog+0x101/0x620 [ 4522.119949][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4522.119949][ T72] net_rx_action+0x495/0xbe0 [ 4522.119949][ T72] __do_softirq+0x1b5/0x7f6 [ 4522.119949][ T72] [ 4522.121775][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4522.121775][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.121775][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.121775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.121775][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4522.121775][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4522.121775][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4522.121775][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4522.121775][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4522.121775][ T72] addrconf_dad_begin+0x310/0x670 [ 4522.121775][ T72] addrconf_dad_work+0x10b/0xab0 [ 4522.121775][ T72] process_one_work+0x84d/0x18a0 [ 4522.121775][ T72] worker_thread+0x587/0xd30 [ 4522.121775][ T72] kthread+0x28a/0x350 [ 4522.121775][ T72] ret_from_fork+0x31/0x70 [ 4522.121775][ T72] ret_from_fork_asm+0x1a/0x30 [ 4522.121775][ T72] [ 4522.123874][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4522.123874][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.123874][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.123874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.123874][ T72] ip6_route_add+0x1c/0x140 [ 4522.123874][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4522.123874][ T72] inet6_addr_add+0x4f8/0xa40 [ 4522.123874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.123874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.123874][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.123874][ T72] netlink_unicast+0x449/0x710 [ 4522.123874][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.123874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.123874][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.123874][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.123874][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.123874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.123874][ T72] [ 4522.126112][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4522.126112][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.126112][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.126112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.126112][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4522.126112][ T72] ipv6_add_addr+0x411/0x2000 [ 4522.126112][ T72] inet6_addr_add+0x30e/0xa40 [ 4522.126112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.126112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.126112][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.126112][ T72] netlink_unicast+0x449/0x710 [ 4522.126112][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.126112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.126112][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.126112][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.126112][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.126112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.126112][ T72] [ 4522.128326][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4522.128326][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.128326][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.128326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.128326][ T72] ip6_route_add+0x1c/0x140 [ 4522.128326][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4522.128326][ T72] addrconf_add_dev+0xe2/0x170 [ 4522.128326][ T72] inet6_addr_add+0x12f/0xa40 [ 4522.128326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.128326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.128326][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.128326][ T72] netlink_unicast+0x449/0x710 [ 4522.128326][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.128326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.128326][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.128326][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.128326][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.128326][ T72] [ 4522.130485][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4522.130485][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4522.130485][ T72] ipv6_find_idev+0x102/0x170 [ 4522.130485][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4522.130485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.130485][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.130485][ T72] netlink_unicast+0x449/0x710 [ 4522.130485][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.130485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.130485][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.130485][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.130485][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.130485][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.130485][ T72] [ 4522.132179][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4522.132179][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4522.132179][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4522.132179][ T72] ipv6_find_idev+0x102/0x170 [ 4522.132179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4522.132179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.132179][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.132179][ T72] netlink_unicast+0x449/0x710 [ 4522.132179][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.132179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.132179][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.132179][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.132179][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.132179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.132179][ T72] [ 4522.134162][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4522.134449][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4522.134449][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4522.134449][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4522.134449][ T72] fib6_nh_init+0xa22/0x1580 [ 4522.134449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.134449][ T72] ip6_route_add+0x1c/0x140 [ 4522.134449][ T72] inet6_rtm_newroute+0x104/0x110 [ 4522.134449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.134449][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.134449][ T72] netlink_unicast+0x449/0x710 [ 4522.134449][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.134449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.134449][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.134449][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.134449][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.134449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.134449][ T72] [ 4522.136750][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4522.136750][ T72] dst_init+0x84/0x4a0 [ 4522.136750][ T72] dst_alloc+0x97/0x150 [ 4522.136750][ T72] ip6_dst_alloc+0x23/0x90 [ 4522.136750][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4522.136750][ T72] ip6_pol_route+0x56f/0x840 [ 4522.136750][ T72] fib6_rule_lookup+0x456/0x630 [ 4522.136750][ T72] ip6_route_input+0x59c/0xa50 [ 4522.136750][ T72] ipv6_rcv+0x397/0x810 [ 4522.136750][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4522.136750][ T72] process_backlog+0x101/0x620 [ 4522.136750][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4522.136750][ T72] net_rx_action+0x495/0xbe0 [ 4522.136750][ T72] __do_softirq+0x1b5/0x7f6 [ 4522.136750][ T72] [ 4522.138807][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4522.138807][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.138807][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.138807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.138807][ T72] ip6_route_add+0x1c/0x140 [ 4522.138807][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4522.138807][ T72] inet6_addr_add+0x4f8/0xa40 [ 4522.138807][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.138807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.138807][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.138807][ T72] netlink_unicast+0x449/0x710 [ 4522.138807][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.138807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.138807][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.138807][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.138807][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.138807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.138807][ T72] [ 4522.141212][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4522.141212][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.141212][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.141212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.141212][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4522.141212][ T72] ipv6_add_addr+0x411/0x2000 [ 4522.141212][ T72] inet6_addr_add+0x30e/0xa40 [ 4522.141212][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.141212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.141212][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.141212][ T72] netlink_unicast+0x449/0x710 [ 4522.141212][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.141212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.141212][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.141212][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.141212][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.141212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.141212][ T72] [ 4522.143668][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4522.143668][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.143668][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.143668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.143668][ T72] ip6_route_add+0x1c/0x140 [ 4522.143668][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4522.143668][ T72] addrconf_add_dev+0xe2/0x170 [ 4522.143668][ T72] inet6_addr_add+0x12f/0xa40 [ 4522.143668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.143668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.143668][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.143668][ T72] netlink_unicast+0x449/0x710 [ 4522.143668][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.143668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.143668][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.143668][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.143668][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.143668][ T72] [ 4522.146125][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4522.146125][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4522.146125][ T72] ipv6_find_idev+0x102/0x170 [ 4522.146125][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4522.146125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.146125][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.146125][ T72] netlink_unicast+0x449/0x710 [ 4522.146125][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.146125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.146125][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.146125][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.146125][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.146125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.146125][ T72] [ 4522.148008][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4522.148008][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4522.148008][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4522.148008][ T72] ipv6_find_idev+0x102/0x170 [ 4522.148008][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4522.148008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.148008][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.148008][ T72] netlink_unicast+0x449/0x710 [ 4522.148008][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.148008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.148008][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.148008][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.148008][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.148008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.148008][ T72] [ 4522.150052][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4522.150401][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4522.150401][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.150401][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.150401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.150401][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4522.150401][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4522.150401][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4522.150401][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4522.150401][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4522.150401][ T72] addrconf_dad_begin+0x310/0x670 [ 4522.150401][ T72] addrconf_dad_work+0x10b/0xab0 [ 4522.150401][ T72] process_one_work+0x84d/0x18a0 [ 4522.150401][ T72] worker_thread+0x587/0xd30 [ 4522.150401][ T72] kthread+0x28a/0x350 [ 4522.150401][ T72] ret_from_fork+0x31/0x70 [ 4522.150401][ T72] ret_from_fork_asm+0x1a/0x30 [ 4522.150401][ T72] [ 4522.152675][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4522.152675][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.152675][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.152675][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.152675][ T72] ip6_route_add+0x1c/0x140 [ 4522.152675][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4522.152675][ T72] inet6_addr_add+0x4f8/0xa40 [ 4522.152675][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.152675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.152675][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.152675][ T72] netlink_unicast+0x449/0x710 [ 4522.152675][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.152675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.152675][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.152675][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.152675][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.152675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.152675][ T72] [ 4522.155115][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4522.155115][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.155115][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.155115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.155115][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4522.155115][ T72] ipv6_add_addr+0x411/0x2000 [ 4522.155115][ T72] inet6_addr_add+0x30e/0xa40 [ 4522.155115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.155115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.155115][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.155115][ T72] netlink_unicast+0x449/0x710 [ 4522.155115][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.155115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.155115][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.155115][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.155115][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.155115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.155115][ T72] [ 4522.157648][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4522.157648][ T72] netdev_get_by_index+0x5e/0x80 [ 4522.157648][ T72] fib6_nh_init+0x3d8/0x1580 [ 4522.157648][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4522.157648][ T72] ip6_route_add+0x1c/0x140 [ 4522.157648][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4522.157648][ T72] addrconf_add_dev+0xe2/0x170 [ 4522.157648][ T72] inet6_addr_add+0x12f/0xa40 [ 4522.157648][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4522.157648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.157648][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.157648][ T72] netlink_unicast+0x449/0x710 [ 4522.157648][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.157648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.157648][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.157648][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.157648][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.157648][ T72] [ 4522.160056][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4522.160056][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4522.160056][ T72] ipv6_find_idev+0x102/0x170 [ 4522.160056][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4522.160056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.160056][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.160056][ T72] netlink_unicast+0x449/0x710 [ 4522.160056][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.160056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.160056][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.160056][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.160056][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.160056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.160056][ T72] [ 4522.161927][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4522.161927][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4522.161927][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4522.161927][ T72] ipv6_find_idev+0x102/0x170 [ 4522.161927][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4522.161927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4522.161927][ T72] netlink_rcv_skb+0x130/0x360 [ 4522.161927][ T72] netlink_unicast+0x449/0x710 [ 4522.161927][ T72] netlink_sendmsg+0x723/0xbe0 [ 4522.161927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4522.161927][ T72] ___sys_sendmsg+0xee/0x170 [ 4522.161927][ T72] __sys_sendmsg+0xcd/0x170 [ 4522.161927][ T72] do_syscall_64+0xc6/0x1e0 [ 4522.161927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4522.161927][ T72] [ 4532.416908][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4532.417364][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4532.417364][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4532.417364][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4532.417364][ T72] fib6_nh_init+0xa22/0x1580 [ 4532.417364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.417364][ T72] ip6_route_add+0x1c/0x140 [ 4532.417364][ T72] inet6_rtm_newroute+0x104/0x110 [ 4532.417364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.417364][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.417364][ T72] netlink_unicast+0x449/0x710 [ 4532.417364][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.417364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.417364][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.417364][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.417364][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.417364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.417364][ T72] [ 4532.419500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4532.419500][ T72] dst_init+0x84/0x4a0 [ 4532.419500][ T72] dst_alloc+0x97/0x150 [ 4532.419500][ T72] ip6_dst_alloc+0x23/0x90 [ 4532.419500][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4532.419500][ T72] ip6_pol_route+0x56f/0x840 [ 4532.419500][ T72] fib6_rule_lookup+0x456/0x630 [ 4532.419500][ T72] ip6_route_input+0x59c/0xa50 [ 4532.419500][ T72] ipv6_rcv+0x397/0x810 [ 4532.419500][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4532.419500][ T72] process_backlog+0x101/0x620 [ 4532.419500][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4532.419500][ T72] net_rx_action+0x495/0xbe0 [ 4532.419500][ T72] __do_softirq+0x1b5/0x7f6 [ 4532.419500][ T72] [ 4532.421372][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4532.421372][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.421372][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.421372][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.421372][ T72] ip6_route_add+0x1c/0x140 [ 4532.421372][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4532.421372][ T72] inet6_addr_add+0x4f8/0xa40 [ 4532.421372][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.421372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.421372][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.421372][ T72] netlink_unicast+0x449/0x710 [ 4532.421372][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.421372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.421372][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.421372][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.421372][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.421372][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.421372][ T72] [ 4532.423627][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4532.423627][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.423627][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.423627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.423627][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4532.423627][ T72] ipv6_add_addr+0x411/0x2000 [ 4532.423627][ T72] inet6_addr_add+0x30e/0xa40 [ 4532.423627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.423627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.423627][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.423627][ T72] netlink_unicast+0x449/0x710 [ 4532.423627][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.423627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.423627][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.423627][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.423627][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.423627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.423627][ T72] [ 4532.425890][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4532.425890][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.425890][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.425890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.425890][ T72] ip6_route_add+0x1c/0x140 [ 4532.425890][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4532.425890][ T72] addrconf_add_dev+0xe2/0x170 [ 4532.425890][ T72] inet6_addr_add+0x12f/0xa40 [ 4532.425890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.425890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.425890][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.425890][ T72] netlink_unicast+0x449/0x710 [ 4532.425890][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.425890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.425890][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.425890][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.425890][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.425890][ T72] [ 4532.428142][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4532.428142][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4532.428142][ T72] ipv6_find_idev+0x102/0x170 [ 4532.428142][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.428142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.428142][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.428142][ T72] netlink_unicast+0x449/0x710 [ 4532.428142][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.428142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.428142][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.428142][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.428142][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.428142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.428142][ T72] [ 4532.429902][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4532.429902][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4532.429902][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4532.429902][ T72] ipv6_find_idev+0x102/0x170 [ 4532.429902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.429902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.429902][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.429902][ T72] netlink_unicast+0x449/0x710 [ 4532.429902][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.429902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.429902][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.429902][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.429902][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.429902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.429902][ T72] [ 4532.431826][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4532.432128][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4532.432128][ T72] dst_init+0x84/0x4a0 [ 4532.432128][ T72] dst_alloc+0x97/0x150 [ 4532.432128][ T72] ip6_dst_alloc+0x23/0x90 [ 4532.432128][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4532.432128][ T72] ip6_pol_route+0x56f/0x840 [ 4532.432128][ T72] fib6_rule_lookup+0x456/0x630 [ 4532.432128][ T72] ip6_route_input+0x59c/0xa50 [ 4532.432128][ T72] ipv6_rcv+0x397/0x810 [ 4532.432128][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4532.432128][ T72] process_backlog+0x101/0x620 [ 4532.432128][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4532.432128][ T72] net_rx_action+0x495/0xbe0 [ 4532.432128][ T72] __do_softirq+0x1b5/0x7f6 [ 4532.432128][ T72] [ 4532.433987][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4532.433987][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.433987][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.433987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.433987][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4532.433987][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4532.433987][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4532.433987][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4532.433987][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4532.433987][ T72] addrconf_dad_begin+0x310/0x670 [ 4532.433987][ T72] addrconf_dad_work+0x10b/0xab0 [ 4532.433987][ T72] process_one_work+0x84d/0x18a0 [ 4532.433987][ T72] worker_thread+0x587/0xd30 [ 4532.433987][ T72] kthread+0x28a/0x350 [ 4532.433987][ T72] ret_from_fork+0x31/0x70 [ 4532.433987][ T72] ret_from_fork_asm+0x1a/0x30 [ 4532.433987][ T72] [ 4532.436155][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4532.436155][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.436155][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.436155][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.436155][ T72] ip6_route_add+0x1c/0x140 [ 4532.436155][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4532.436155][ T72] inet6_addr_add+0x4f8/0xa40 [ 4532.436155][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.436155][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.436155][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.436155][ T72] netlink_unicast+0x449/0x710 [ 4532.436155][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.436155][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.436155][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.436155][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.436155][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.436155][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.436155][ T72] [ 4532.438431][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4532.438431][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.438431][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.438431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.438431][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4532.438431][ T72] ipv6_add_addr+0x411/0x2000 [ 4532.438431][ T72] inet6_addr_add+0x30e/0xa40 [ 4532.438431][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.438431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.438431][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.438431][ T72] netlink_unicast+0x449/0x710 [ 4532.438431][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.438431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.438431][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.438431][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.438431][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.438431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.438431][ T72] [ 4532.440693][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4532.440693][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.440693][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.440693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.440693][ T72] ip6_route_add+0x1c/0x140 [ 4532.440693][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4532.440693][ T72] addrconf_add_dev+0xe2/0x170 [ 4532.440693][ T72] inet6_addr_add+0x12f/0xa40 [ 4532.440693][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.440693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.440693][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.440693][ T72] netlink_unicast+0x449/0x710 [ 4532.440693][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.440693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.440693][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.440693][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.440693][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.440693][ T72] [ 4532.442904][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4532.442904][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4532.442904][ T72] ipv6_find_idev+0x102/0x170 [ 4532.442904][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.442904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.442904][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.442904][ T72] netlink_unicast+0x449/0x710 [ 4532.442904][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.442904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.442904][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.442904][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.442904][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.442904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.442904][ T72] [ 4532.444672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4532.444672][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4532.444672][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4532.444672][ T72] ipv6_find_idev+0x102/0x170 [ 4532.444672][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.444672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.444672][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.444672][ T72] netlink_unicast+0x449/0x710 [ 4532.444672][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.444672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.444672][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.444672][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.444672][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.444672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.444672][ T72] [ 4532.446724][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4532.447041][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4532.447041][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4532.447041][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4532.447041][ T72] fib6_nh_init+0xa22/0x1580 [ 4532.447041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.447041][ T72] ip6_route_add+0x1c/0x140 [ 4532.447041][ T72] inet6_rtm_newroute+0x104/0x110 [ 4532.447041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.447041][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.447041][ T72] netlink_unicast+0x449/0x710 [ 4532.447041][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.447041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.447041][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.447041][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.447041][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.447041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.447041][ T72] [ 4532.449469][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4532.449469][ T72] dst_init+0x84/0x4a0 [ 4532.449469][ T72] dst_alloc+0x97/0x150 [ 4532.449469][ T72] ip6_dst_alloc+0x23/0x90 [ 4532.449469][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4532.449469][ T72] ip6_pol_route+0x56f/0x840 [ 4532.449469][ T72] fib6_rule_lookup+0x456/0x630 [ 4532.449469][ T72] ip6_route_input+0x59c/0xa50 [ 4532.449469][ T72] ipv6_rcv+0x397/0x810 [ 4532.449469][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4532.449469][ T72] process_backlog+0x101/0x620 [ 4532.449469][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4532.449469][ T72] net_rx_action+0x495/0xbe0 [ 4532.449469][ T72] __do_softirq+0x1b5/0x7f6 [ 4532.449469][ T72] [ 4532.451508][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4532.451508][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.451508][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.451508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.451508][ T72] ip6_route_add+0x1c/0x140 [ 4532.451508][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4532.451508][ T72] inet6_addr_add+0x4f8/0xa40 [ 4532.451508][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.451508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.451508][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.451508][ T72] netlink_unicast+0x449/0x710 [ 4532.451508][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.451508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.451508][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.451508][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.451508][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.451508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.451508][ T72] [ 4532.454066][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4532.454066][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.454066][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.454066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.454066][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4532.454066][ T72] ipv6_add_addr+0x411/0x2000 [ 4532.454066][ T72] inet6_addr_add+0x30e/0xa40 [ 4532.454066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.454066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.454066][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.454066][ T72] netlink_unicast+0x449/0x710 [ 4532.454066][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.454066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.454066][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.454066][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.454066][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.454066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.454066][ T72] [ 4532.456503][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4532.456503][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.456503][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.456503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.456503][ T72] ip6_route_add+0x1c/0x140 [ 4532.456503][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4532.456503][ T72] addrconf_add_dev+0xe2/0x170 [ 4532.456503][ T72] inet6_addr_add+0x12f/0xa40 [ 4532.456503][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.456503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.456503][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.456503][ T72] netlink_unicast+0x449/0x710 [ 4532.456503][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.456503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.456503][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.456503][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.456503][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.456503][ T72] [ 4532.459064][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4532.459064][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4532.459064][ T72] ipv6_find_idev+0x102/0x170 [ 4532.459064][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.459064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.459064][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.459064][ T72] netlink_unicast+0x449/0x710 [ 4532.459064][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.459064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.459064][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.459064][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.459064][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.459064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.459064][ T72] [ 4532.460987][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4532.460987][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4532.460987][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4532.460987][ T72] ipv6_find_idev+0x102/0x170 [ 4532.460987][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.460987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.460987][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.460987][ T72] netlink_unicast+0x449/0x710 [ 4532.460987][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.460987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.460987][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.460987][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.460987][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.460987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.460987][ T72] [ 4532.463091][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4532.463462][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4532.463462][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.463462][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.463462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.463462][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4532.463462][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4532.463462][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4532.463462][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4532.463462][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4532.463462][ T72] addrconf_dad_begin+0x310/0x670 [ 4532.463462][ T72] addrconf_dad_work+0x10b/0xab0 [ 4532.463462][ T72] process_one_work+0x84d/0x18a0 [ 4532.463462][ T72] worker_thread+0x587/0xd30 [ 4532.463462][ T72] kthread+0x28a/0x350 [ 4532.463462][ T72] ret_from_fork+0x31/0x70 [ 4532.463462][ T72] ret_from_fork_asm+0x1a/0x30 [ 4532.463462][ T72] [ 4532.465740][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4532.465740][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.465740][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.465740][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.465740][ T72] ip6_route_add+0x1c/0x140 [ 4532.465740][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4532.465740][ T72] inet6_addr_add+0x4f8/0xa40 [ 4532.465740][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.465740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.465740][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.465740][ T72] netlink_unicast+0x449/0x710 [ 4532.465740][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.465740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.465740][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.465740][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.465740][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.465740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.465740][ T72] [ 4532.468257][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4532.468257][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.468257][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.468257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.468257][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4532.468257][ T72] ipv6_add_addr+0x411/0x2000 [ 4532.468257][ T72] inet6_addr_add+0x30e/0xa40 [ 4532.468257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.468257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.468257][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.468257][ T72] netlink_unicast+0x449/0x710 [ 4532.468257][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.468257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.468257][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.468257][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.468257][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.468257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.468257][ T72] [ 4532.470811][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4532.470811][ T72] netdev_get_by_index+0x5e/0x80 [ 4532.470811][ T72] fib6_nh_init+0x3d8/0x1580 [ 4532.470811][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4532.470811][ T72] ip6_route_add+0x1c/0x140 [ 4532.470811][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4532.470811][ T72] addrconf_add_dev+0xe2/0x170 [ 4532.470811][ T72] inet6_addr_add+0x12f/0xa40 [ 4532.470811][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4532.470811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.470811][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.470811][ T72] netlink_unicast+0x449/0x710 [ 4532.470811][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.470811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.470811][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.470811][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.470811][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.470811][ T72] [ 4532.473267][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4532.473267][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4532.473267][ T72] ipv6_find_idev+0x102/0x170 [ 4532.473267][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.473267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.473267][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.473267][ T72] netlink_unicast+0x449/0x710 [ 4532.473267][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.473267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.473267][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.473267][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.473267][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.473267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.473267][ T72] [ 4532.475202][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4532.475202][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4532.475202][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4532.475202][ T72] ipv6_find_idev+0x102/0x170 [ 4532.475202][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4532.475202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4532.475202][ T72] netlink_rcv_skb+0x130/0x360 [ 4532.475202][ T72] netlink_unicast+0x449/0x710 [ 4532.475202][ T72] netlink_sendmsg+0x723/0xbe0 [ 4532.475202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4532.475202][ T72] ___sys_sendmsg+0xee/0x170 [ 4532.475202][ T72] __sys_sendmsg+0xcd/0x170 [ 4532.475202][ T72] do_syscall_64+0xc6/0x1e0 [ 4532.475202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4532.475202][ T72] [ 4542.536937][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4542.537493][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4542.537493][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4542.537493][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4542.537493][ T72] fib6_nh_init+0xa22/0x1580 [ 4542.537493][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.537493][ T72] ip6_route_add+0x1c/0x140 [ 4542.537493][ T72] inet6_rtm_newroute+0x104/0x110 [ 4542.537493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.537493][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.537493][ T72] netlink_unicast+0x449/0x710 [ 4542.537493][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.537493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.537493][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.537493][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.537493][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.537493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.537493][ T72] [ 4542.539981][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4542.539981][ T72] dst_init+0x84/0x4a0 [ 4542.539981][ T72] dst_alloc+0x97/0x150 [ 4542.539981][ T72] ip6_dst_alloc+0x23/0x90 [ 4542.539981][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4542.539981][ T72] ip6_pol_route+0x56f/0x840 [ 4542.539981][ T72] fib6_rule_lookup+0x456/0x630 [ 4542.539981][ T72] ip6_route_input+0x59c/0xa50 [ 4542.539981][ T72] ipv6_rcv+0x397/0x810 [ 4542.539981][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4542.539981][ T72] process_backlog+0x101/0x620 [ 4542.539981][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4542.539981][ T72] net_rx_action+0x495/0xbe0 [ 4542.539981][ T72] __do_softirq+0x1b5/0x7f6 [ 4542.539981][ T72] [ 4542.541787][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4542.541787][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.541787][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.541787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.541787][ T72] ip6_route_add+0x1c/0x140 [ 4542.541787][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4542.541787][ T72] inet6_addr_add+0x4f8/0xa40 [ 4542.541787][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.541787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.541787][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.541787][ T72] netlink_unicast+0x449/0x710 [ 4542.541787][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.541787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.541787][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.541787][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.541787][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.541787][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.541787][ T72] [ 4542.544551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4542.544551][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.544551][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.544551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.544551][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4542.544551][ T72] ipv6_add_addr+0x411/0x2000 [ 4542.544551][ T72] inet6_addr_add+0x30e/0xa40 [ 4542.544551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.544551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.544551][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.544551][ T72] netlink_unicast+0x449/0x710 [ 4542.544551][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.544551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.544551][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.544551][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.544551][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.544551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.544551][ T72] [ 4542.546792][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4542.546792][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.546792][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.546792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.546792][ T72] ip6_route_add+0x1c/0x140 [ 4542.546792][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4542.546792][ T72] addrconf_add_dev+0xe2/0x170 [ 4542.546792][ T72] inet6_addr_add+0x12f/0xa40 [ 4542.546792][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.546792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.546792][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.546792][ T72] netlink_unicast+0x449/0x710 [ 4542.546792][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.546792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.546792][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.546792][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.546792][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.546792][ T72] [ 4542.548977][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4542.548977][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4542.548977][ T72] ipv6_find_idev+0x102/0x170 [ 4542.548977][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.548977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.548977][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.548977][ T72] netlink_unicast+0x449/0x710 [ 4542.548977][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.548977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.548977][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.548977][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.548977][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.548977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.548977][ T72] [ 4542.550719][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4542.550719][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4542.550719][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4542.550719][ T72] ipv6_find_idev+0x102/0x170 [ 4542.550719][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.550719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.550719][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.550719][ T72] netlink_unicast+0x449/0x710 [ 4542.550719][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.550719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.550719][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.550719][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.550719][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.550719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.550719][ T72] [ 4542.552579][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4542.552881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4542.552881][ T72] dst_init+0x84/0x4a0 [ 4542.552881][ T72] dst_alloc+0x97/0x150 [ 4542.552881][ T72] ip6_dst_alloc+0x23/0x90 [ 4542.552881][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4542.552881][ T72] ip6_pol_route+0x56f/0x840 [ 4542.552881][ T72] fib6_rule_lookup+0x456/0x630 [ 4542.552881][ T72] ip6_route_input+0x59c/0xa50 [ 4542.552881][ T72] ipv6_rcv+0x397/0x810 [ 4542.552881][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4542.552881][ T72] process_backlog+0x101/0x620 [ 4542.552881][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4542.552881][ T72] net_rx_action+0x495/0xbe0 [ 4542.552881][ T72] __do_softirq+0x1b5/0x7f6 [ 4542.552881][ T72] [ 4542.554687][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4542.554687][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.554687][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.554687][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.554687][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4542.554687][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4542.554687][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4542.554687][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4542.554687][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4542.554687][ T72] addrconf_dad_begin+0x310/0x670 [ 4542.554687][ T72] addrconf_dad_work+0x10b/0xab0 [ 4542.554687][ T72] process_one_work+0x84d/0x18a0 [ 4542.554687][ T72] worker_thread+0x587/0xd30 [ 4542.554687][ T72] kthread+0x28a/0x350 [ 4542.554687][ T72] ret_from_fork+0x31/0x70 [ 4542.554687][ T72] ret_from_fork_asm+0x1a/0x30 [ 4542.554687][ T72] [ 4542.556834][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4542.556834][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.556834][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.556834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.556834][ T72] ip6_route_add+0x1c/0x140 [ 4542.556834][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4542.556834][ T72] inet6_addr_add+0x4f8/0xa40 [ 4542.556834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.556834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.556834][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.556834][ T72] netlink_unicast+0x449/0x710 [ 4542.556834][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.556834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.556834][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.556834][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.556834][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.556834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.556834][ T72] [ 4542.559053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4542.559053][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.559053][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.559053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.559053][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4542.559053][ T72] ipv6_add_addr+0x411/0x2000 [ 4542.559053][ T72] inet6_addr_add+0x30e/0xa40 [ 4542.559053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.559053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.559053][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.559053][ T72] netlink_unicast+0x449/0x710 [ 4542.559053][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.559053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.559053][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.559053][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.559053][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.559053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.559053][ T72] [ 4542.561287][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4542.561287][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.561287][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.561287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.561287][ T72] ip6_route_add+0x1c/0x140 [ 4542.561287][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4542.561287][ T72] addrconf_add_dev+0xe2/0x170 [ 4542.561287][ T72] inet6_addr_add+0x12f/0xa40 [ 4542.561287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.561287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.561287][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.561287][ T72] netlink_unicast+0x449/0x710 [ 4542.561287][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.561287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.561287][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.561287][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.561287][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.561287][ T72] [ 4542.563463][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4542.563463][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4542.563463][ T72] ipv6_find_idev+0x102/0x170 [ 4542.563463][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.563463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.563463][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.563463][ T72] netlink_unicast+0x449/0x710 [ 4542.563463][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.563463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.563463][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.563463][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.563463][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.563463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.563463][ T72] [ 4542.565635][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4542.565635][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4542.565635][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4542.565635][ T72] ipv6_find_idev+0x102/0x170 [ 4542.565635][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.565635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.565635][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.565635][ T72] netlink_unicast+0x449/0x710 [ 4542.565635][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.565635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.565635][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.565635][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.565635][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.565635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.565635][ T72] [ 4542.567628][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4542.567924][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4542.567924][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4542.567924][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4542.567924][ T72] fib6_nh_init+0xa22/0x1580 [ 4542.567924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.567924][ T72] ip6_route_add+0x1c/0x140 [ 4542.567924][ T72] inet6_rtm_newroute+0x104/0x110 [ 4542.567924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.567924][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.567924][ T72] netlink_unicast+0x449/0x710 [ 4542.567924][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.567924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.567924][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.567924][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.567924][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.567924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.567924][ T72] [ 4542.570309][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4542.570309][ T72] dst_init+0x84/0x4a0 [ 4542.570309][ T72] dst_alloc+0x97/0x150 [ 4542.570309][ T72] ip6_dst_alloc+0x23/0x90 [ 4542.570309][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4542.570309][ T72] ip6_pol_route+0x56f/0x840 [ 4542.570309][ T72] fib6_rule_lookup+0x456/0x630 [ 4542.570309][ T72] ip6_route_input+0x59c/0xa50 [ 4542.570309][ T72] ipv6_rcv+0x397/0x810 [ 4542.570309][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4542.570309][ T72] process_backlog+0x101/0x620 [ 4542.570309][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4542.570309][ T72] net_rx_action+0x495/0xbe0 [ 4542.570309][ T72] __do_softirq+0x1b5/0x7f6 [ 4542.570309][ T72] [ 4542.572291][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4542.572291][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.572291][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.572291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.572291][ T72] ip6_route_add+0x1c/0x140 [ 4542.572291][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4542.572291][ T72] inet6_addr_add+0x4f8/0xa40 [ 4542.572291][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.572291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.572291][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.572291][ T72] netlink_unicast+0x449/0x710 [ 4542.572291][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.572291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.572291][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.572291][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.572291][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.572291][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.572291][ T72] [ 4542.574669][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4542.574669][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.574669][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.574669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.574669][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4542.574669][ T72] ipv6_add_addr+0x411/0x2000 [ 4542.574669][ T72] inet6_addr_add+0x30e/0xa40 [ 4542.574669][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.574669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.574669][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.574669][ T72] netlink_unicast+0x449/0x710 [ 4542.574669][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.574669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.574669][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.574669][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.574669][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.574669][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.574669][ T72] [ 4542.577128][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4542.577128][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.577128][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.577128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.577128][ T72] ip6_route_add+0x1c/0x140 [ 4542.577128][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4542.577128][ T72] addrconf_add_dev+0xe2/0x170 [ 4542.577128][ T72] inet6_addr_add+0x12f/0xa40 [ 4542.577128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.577128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.577128][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.577128][ T72] netlink_unicast+0x449/0x710 [ 4542.577128][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.577128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.577128][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.577128][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.577128][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.577128][ T72] [ 4542.579603][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4542.579603][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4542.579603][ T72] ipv6_find_idev+0x102/0x170 [ 4542.579603][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.579603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.579603][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.579603][ T72] netlink_unicast+0x449/0x710 [ 4542.579603][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.579603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.579603][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.579603][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.579603][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.579603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.579603][ T72] [ 4542.581504][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4542.581504][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4542.581504][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4542.581504][ T72] ipv6_find_idev+0x102/0x170 [ 4542.581504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.581504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.581504][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.581504][ T72] netlink_unicast+0x449/0x710 [ 4542.581504][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.581504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.581504][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.581504][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.581504][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.581504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.581504][ T72] [ 4542.583529][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4542.584339][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4542.584339][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.584339][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.584339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.584339][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4542.584339][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4542.584339][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4542.584339][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4542.584339][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4542.584339][ T72] addrconf_dad_begin+0x310/0x670 [ 4542.584339][ T72] addrconf_dad_work+0x10b/0xab0 [ 4542.584339][ T72] process_one_work+0x84d/0x18a0 [ 4542.584339][ T72] worker_thread+0x587/0xd30 [ 4542.584339][ T72] kthread+0x28a/0x350 [ 4542.584339][ T72] ret_from_fork+0x31/0x70 [ 4542.584339][ T72] ret_from_fork_asm+0x1a/0x30 [ 4542.584339][ T72] [ 4542.586462][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4542.586462][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.586462][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.586462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.586462][ T72] ip6_route_add+0x1c/0x140 [ 4542.586462][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4542.586462][ T72] inet6_addr_add+0x4f8/0xa40 [ 4542.586462][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.586462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.586462][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.586462][ T72] netlink_unicast+0x449/0x710 [ 4542.586462][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.586462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.586462][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.586462][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.586462][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.586462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.586462][ T72] [ 4542.588676][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4542.588676][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.588676][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.588676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.588676][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4542.588676][ T72] ipv6_add_addr+0x411/0x2000 [ 4542.588676][ T72] inet6_addr_add+0x30e/0xa40 [ 4542.588676][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.588676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.588676][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.588676][ T72] netlink_unicast+0x449/0x710 [ 4542.588676][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.588676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.588676][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.588676][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.588676][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.588676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.588676][ T72] [ 4542.591138][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4542.591138][ T72] netdev_get_by_index+0x5e/0x80 [ 4542.591138][ T72] fib6_nh_init+0x3d8/0x1580 [ 4542.591138][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4542.591138][ T72] ip6_route_add+0x1c/0x140 [ 4542.591138][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4542.591138][ T72] addrconf_add_dev+0xe2/0x170 [ 4542.591138][ T72] inet6_addr_add+0x12f/0xa40 [ 4542.591138][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4542.591138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.591138][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.591138][ T72] netlink_unicast+0x449/0x710 [ 4542.591138][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.591138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.591138][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.591138][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.591138][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.591138][ T72] [ 4542.593629][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4542.593629][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4542.593629][ T72] ipv6_find_idev+0x102/0x170 [ 4542.593629][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.593629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.593629][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.593629][ T72] netlink_unicast+0x449/0x710 [ 4542.593629][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.593629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.593629][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.593629][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.593629][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.593629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.593629][ T72] [ 4542.595522][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4542.595522][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4542.595522][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4542.595522][ T72] ipv6_find_idev+0x102/0x170 [ 4542.595522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4542.595522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4542.595522][ T72] netlink_rcv_skb+0x130/0x360 [ 4542.595522][ T72] netlink_unicast+0x449/0x710 [ 4542.595522][ T72] netlink_sendmsg+0x723/0xbe0 [ 4542.595522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4542.595522][ T72] ___sys_sendmsg+0xee/0x170 [ 4542.595522][ T72] __sys_sendmsg+0xcd/0x170 [ 4542.595522][ T72] do_syscall_64+0xc6/0x1e0 [ 4542.595522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4542.595522][ T72] [ 4552.656911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4552.657405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4552.657405][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4552.657405][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4552.657405][ T72] fib6_nh_init+0xa22/0x1580 [ 4552.657405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.657405][ T72] ip6_route_add+0x1c/0x140 [ 4552.657405][ T72] inet6_rtm_newroute+0x104/0x110 [ 4552.657405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.657405][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.657405][ T72] netlink_unicast+0x449/0x710 [ 4552.657405][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.657405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.657405][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.657405][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.657405][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.657405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.657405][ T72] [ 4552.659323][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4552.659323][ T72] dst_init+0x84/0x4a0 [ 4552.659323][ T72] dst_alloc+0x97/0x150 [ 4552.659323][ T72] ip6_dst_alloc+0x23/0x90 [ 4552.659323][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4552.659323][ T72] ip6_pol_route+0x56f/0x840 [ 4552.659323][ T72] fib6_rule_lookup+0x456/0x630 [ 4552.659323][ T72] ip6_route_input+0x59c/0xa50 [ 4552.659323][ T72] ipv6_rcv+0x397/0x810 [ 4552.659323][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4552.659323][ T72] process_backlog+0x101/0x620 [ 4552.659323][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4552.659323][ T72] net_rx_action+0x495/0xbe0 [ 4552.659323][ T72] __do_softirq+0x1b5/0x7f6 [ 4552.659323][ T72] [ 4552.660971][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4552.660971][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.660971][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.660971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.660971][ T72] ip6_route_add+0x1c/0x140 [ 4552.660971][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4552.660971][ T72] inet6_addr_add+0x4f8/0xa40 [ 4552.660971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.660971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.660971][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.660971][ T72] netlink_unicast+0x449/0x710 [ 4552.660971][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.660971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.660971][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.660971][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.660971][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.660971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.660971][ T72] [ 4552.662978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4552.662978][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.662978][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.662978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.662978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4552.662978][ T72] ipv6_add_addr+0x411/0x2000 [ 4552.662978][ T72] inet6_addr_add+0x30e/0xa40 [ 4552.662978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.662978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.662978][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.662978][ T72] netlink_unicast+0x449/0x710 [ 4552.662978][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.662978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.662978][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.662978][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.662978][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.662978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.662978][ T72] [ 4552.664987][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4552.664987][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.664987][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.664987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.664987][ T72] ip6_route_add+0x1c/0x140 [ 4552.664987][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4552.664987][ T72] addrconf_add_dev+0xe2/0x170 [ 4552.664987][ T72] inet6_addr_add+0x12f/0xa40 [ 4552.664987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.664987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.664987][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.664987][ T72] netlink_unicast+0x449/0x710 [ 4552.664987][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.664987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.664987][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.664987][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.664987][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.664987][ T72] [ 4552.666980][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4552.666980][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4552.666980][ T72] ipv6_find_idev+0x102/0x170 [ 4552.666980][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.666980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.666980][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.666980][ T72] netlink_unicast+0x449/0x710 [ 4552.666980][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.666980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.666980][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.666980][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.666980][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.666980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.666980][ T72] [ 4552.668528][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4552.668528][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4552.668528][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4552.668528][ T72] ipv6_find_idev+0x102/0x170 [ 4552.668528][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.668528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.668528][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.668528][ T72] netlink_unicast+0x449/0x710 [ 4552.668528][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.668528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.668528][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.668528][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.668528][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.668528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.668528][ T72] [ 4552.670241][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4552.670518][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4552.670518][ T72] dst_init+0x84/0x4a0 [ 4552.670518][ T72] dst_alloc+0x97/0x150 [ 4552.670518][ T72] ip6_dst_alloc+0x23/0x90 [ 4552.670518][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4552.670518][ T72] ip6_pol_route+0x56f/0x840 [ 4552.670518][ T72] fib6_rule_lookup+0x456/0x630 [ 4552.670518][ T72] ip6_route_input+0x59c/0xa50 [ 4552.670518][ T72] ipv6_rcv+0x397/0x810 [ 4552.670518][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4552.670518][ T72] process_backlog+0x101/0x620 [ 4552.670518][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4552.670518][ T72] net_rx_action+0x495/0xbe0 [ 4552.670518][ T72] __do_softirq+0x1b5/0x7f6 [ 4552.670518][ T72] [ 4552.672165][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4552.672165][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.672165][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.672165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.672165][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4552.672165][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4552.672165][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4552.672165][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4552.672165][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4552.672165][ T72] addrconf_dad_begin+0x310/0x670 [ 4552.672165][ T72] addrconf_dad_work+0x10b/0xab0 [ 4552.672165][ T72] process_one_work+0x84d/0x18a0 [ 4552.672165][ T72] worker_thread+0x587/0xd30 [ 4552.672165][ T72] kthread+0x28a/0x350 [ 4552.672165][ T72] ret_from_fork+0x31/0x70 [ 4552.672165][ T72] ret_from_fork_asm+0x1a/0x30 [ 4552.672165][ T72] [ 4552.674086][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4552.674086][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.674086][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.674086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.674086][ T72] ip6_route_add+0x1c/0x140 [ 4552.674086][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4552.674086][ T72] inet6_addr_add+0x4f8/0xa40 [ 4552.674086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.674086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.674086][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.674086][ T72] netlink_unicast+0x449/0x710 [ 4552.674086][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.674086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.674086][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.674086][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.674086][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.674086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.674086][ T72] [ 4552.676095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4552.676095][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.676095][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.676095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.676095][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4552.676095][ T72] ipv6_add_addr+0x411/0x2000 [ 4552.676095][ T72] inet6_addr_add+0x30e/0xa40 [ 4552.676095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.676095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.676095][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.676095][ T72] netlink_unicast+0x449/0x710 [ 4552.676095][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.676095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.676095][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.676095][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.676095][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.676095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.676095][ T72] [ 4552.678103][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4552.678103][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.678103][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.678103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.678103][ T72] ip6_route_add+0x1c/0x140 [ 4552.678103][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4552.678103][ T72] addrconf_add_dev+0xe2/0x170 [ 4552.678103][ T72] inet6_addr_add+0x12f/0xa40 [ 4552.678103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.678103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.678103][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.678103][ T72] netlink_unicast+0x449/0x710 [ 4552.678103][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.678103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.678103][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.678103][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.678103][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.678103][ T72] [ 4552.680078][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4552.680078][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4552.680078][ T72] ipv6_find_idev+0x102/0x170 [ 4552.680078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.680078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.680078][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.680078][ T72] netlink_unicast+0x449/0x710 [ 4552.680078][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.680078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.680078][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.680078][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.680078][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.680078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.680078][ T72] [ 4552.681620][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4552.681620][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4552.681620][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4552.681620][ T72] ipv6_find_idev+0x102/0x170 [ 4552.681620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.681620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.681620][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.681620][ T72] netlink_unicast+0x449/0x710 [ 4552.681620][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.681620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.681620][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.681620][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.681620][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.681620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.681620][ T72] [ 4552.683437][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4552.683762][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4552.683762][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4552.683762][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4552.683762][ T72] fib6_nh_init+0xa22/0x1580 [ 4552.683762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.683762][ T72] ip6_route_add+0x1c/0x140 [ 4552.683762][ T72] inet6_rtm_newroute+0x104/0x110 [ 4552.683762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.683762][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.683762][ T72] netlink_unicast+0x449/0x710 [ 4552.683762][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.683762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.683762][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.683762][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.683762][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.683762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.683762][ T72] [ 4552.685897][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4552.685897][ T72] dst_init+0x84/0x4a0 [ 4552.685897][ T72] dst_alloc+0x97/0x150 [ 4552.685897][ T72] ip6_dst_alloc+0x23/0x90 [ 4552.685897][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4552.685897][ T72] ip6_pol_route+0x56f/0x840 [ 4552.685897][ T72] fib6_rule_lookup+0x456/0x630 [ 4552.685897][ T72] ip6_route_input+0x59c/0xa50 [ 4552.685897][ T72] ipv6_rcv+0x397/0x810 [ 4552.685897][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4552.685897][ T72] process_backlog+0x101/0x620 [ 4552.685897][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4552.685897][ T72] net_rx_action+0x495/0xbe0 [ 4552.685897][ T72] __do_softirq+0x1b5/0x7f6 [ 4552.685897][ T72] [ 4552.687725][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4552.687725][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.687725][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.687725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.687725][ T72] ip6_route_add+0x1c/0x140 [ 4552.687725][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4552.687725][ T72] inet6_addr_add+0x4f8/0xa40 [ 4552.687725][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.687725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.687725][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.687725][ T72] netlink_unicast+0x449/0x710 [ 4552.687725][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.687725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.687725][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.687725][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.687725][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.687725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.687725][ T72] [ 4552.689962][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4552.689962][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.689962][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.689962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.689962][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4552.689962][ T72] ipv6_add_addr+0x411/0x2000 [ 4552.689962][ T72] inet6_addr_add+0x30e/0xa40 [ 4552.689962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.689962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.689962][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.689962][ T72] netlink_unicast+0x449/0x710 [ 4552.689962][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.689962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.689962][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.689962][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.689962][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.689962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.689962][ T72] [ 4552.692151][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4552.692151][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.692151][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.692151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.692151][ T72] ip6_route_add+0x1c/0x140 [ 4552.692151][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4552.692151][ T72] addrconf_add_dev+0xe2/0x170 [ 4552.692151][ T72] inet6_addr_add+0x12f/0xa40 [ 4552.692151][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.692151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.692151][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.692151][ T72] netlink_unicast+0x449/0x710 [ 4552.692151][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.692151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.692151][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.692151][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.692151][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.692151][ T72] [ 4552.694434][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4552.694434][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4552.694434][ T72] ipv6_find_idev+0x102/0x170 [ 4552.694434][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.694434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.694434][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.694434][ T72] netlink_unicast+0x449/0x710 [ 4552.694434][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.694434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.694434][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.694434][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.694434][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.694434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.694434][ T72] [ 4552.696165][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4552.696165][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4552.696165][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4552.696165][ T72] ipv6_find_idev+0x102/0x170 [ 4552.696165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.696165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.696165][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.696165][ T72] netlink_unicast+0x449/0x710 [ 4552.696165][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.696165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.696165][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.696165][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.696165][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.696165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.696165][ T72] [ 4552.698047][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4552.698322][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4552.698322][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.698322][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.698322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.698322][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4552.698322][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4552.698322][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4552.698322][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4552.698322][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4552.698322][ T72] addrconf_dad_begin+0x310/0x670 [ 4552.698322][ T72] addrconf_dad_work+0x10b/0xab0 [ 4552.698322][ T72] process_one_work+0x84d/0x18a0 [ 4552.698322][ T72] worker_thread+0x587/0xd30 [ 4552.698322][ T72] kthread+0x28a/0x350 [ 4552.698322][ T72] ret_from_fork+0x31/0x70 [ 4552.698322][ T72] ret_from_fork_asm+0x1a/0x30 [ 4552.698322][ T72] [ 4552.701053][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4552.701053][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.701053][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.701053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.701053][ T72] ip6_route_add+0x1c/0x140 [ 4552.701053][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4552.701053][ T72] inet6_addr_add+0x4f8/0xa40 [ 4552.701053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.701053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.701053][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.701053][ T72] netlink_unicast+0x449/0x710 [ 4552.701053][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.701053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.701053][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.701053][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.701053][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.701053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.701053][ T72] [ 4552.703698][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4552.703698][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.703698][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.703698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.703698][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4552.703698][ T72] ipv6_add_addr+0x411/0x2000 [ 4552.703698][ T72] inet6_addr_add+0x30e/0xa40 [ 4552.703698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.703698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.703698][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.703698][ T72] netlink_unicast+0x449/0x710 [ 4552.703698][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.703698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.703698][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.703698][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.703698][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.703698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.703698][ T72] [ 4552.706004][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4552.706004][ T72] netdev_get_by_index+0x5e/0x80 [ 4552.706004][ T72] fib6_nh_init+0x3d8/0x1580 [ 4552.706004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4552.706004][ T72] ip6_route_add+0x1c/0x140 [ 4552.706004][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4552.706004][ T72] addrconf_add_dev+0xe2/0x170 [ 4552.706004][ T72] inet6_addr_add+0x12f/0xa40 [ 4552.706004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.706004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.706004][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.706004][ T72] netlink_unicast+0x449/0x710 [ 4552.706004][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.706004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.706004][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.706004][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.706004][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.706004][ T72] [ 4552.708159][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4552.708159][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4552.708159][ T72] ipv6_find_idev+0x102/0x170 [ 4552.708159][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.708159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.708159][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.708159][ T72] netlink_unicast+0x449/0x710 [ 4552.708159][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.708159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.708159][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.708159][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.708159][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.708159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.708159][ T72] [ 4552.709882][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4552.709882][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4552.709882][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4552.709882][ T72] ipv6_find_idev+0x102/0x170 [ 4552.709882][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.709882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.709882][ T72] netlink_rcv_skb+0x130/0x360 [ 4552.709882][ T72] netlink_unicast+0x449/0x710 [ 4552.709882][ T72] netlink_sendmsg+0x723/0xbe0 [ 4552.709882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4552.709882][ T72] ___sys_sendmsg+0xee/0x170 [ 4552.709882][ T72] __sys_sendmsg+0xcd/0x170 [ 4552.709882][ T72] do_syscall_64+0xc6/0x1e0 [ 4552.709882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.709882][ T72] [ 4562.952924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4562.953476][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4562.953476][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4562.953476][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4562.953476][ T72] fib6_nh_init+0xa22/0x1580 [ 4562.953476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.953476][ T72] ip6_route_add+0x1c/0x140 [ 4562.953476][ T72] inet6_rtm_newroute+0x104/0x110 [ 4562.953476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.953476][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.953476][ T72] netlink_unicast+0x449/0x710 [ 4562.953476][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.953476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.953476][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.953476][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.953476][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.953476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.953476][ T72] [ 4562.955578][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4562.955578][ T72] dst_init+0x84/0x4a0 [ 4562.955578][ T72] dst_alloc+0x97/0x150 [ 4562.955578][ T72] ip6_dst_alloc+0x23/0x90 [ 4562.955578][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4562.955578][ T72] ip6_pol_route+0x56f/0x840 [ 4562.955578][ T72] fib6_rule_lookup+0x456/0x630 [ 4562.955578][ T72] ip6_route_input+0x59c/0xa50 [ 4562.955578][ T72] ipv6_rcv+0x397/0x810 [ 4562.955578][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4562.955578][ T72] process_backlog+0x101/0x620 [ 4562.955578][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4562.955578][ T72] net_rx_action+0x495/0xbe0 [ 4562.955578][ T72] __do_softirq+0x1b5/0x7f6 [ 4562.955578][ T72] [ 4562.957400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4562.957400][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.957400][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.957400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.957400][ T72] ip6_route_add+0x1c/0x140 [ 4562.957400][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4562.957400][ T72] inet6_addr_add+0x4f8/0xa40 [ 4562.957400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.957400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.957400][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.957400][ T72] netlink_unicast+0x449/0x710 [ 4562.957400][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.957400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.957400][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.957400][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.957400][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.957400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.957400][ T72] [ 4562.959606][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4562.959606][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.959606][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.959606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.959606][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4562.959606][ T72] ipv6_add_addr+0x411/0x2000 [ 4562.959606][ T72] inet6_addr_add+0x30e/0xa40 [ 4562.959606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.959606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.959606][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.959606][ T72] netlink_unicast+0x449/0x710 [ 4562.959606][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.959606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.959606][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.959606][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.959606][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.959606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.959606][ T72] [ 4562.961848][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4562.961848][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.961848][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.961848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.961848][ T72] ip6_route_add+0x1c/0x140 [ 4562.961848][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4562.961848][ T72] addrconf_add_dev+0xe2/0x170 [ 4562.961848][ T72] inet6_addr_add+0x12f/0xa40 [ 4562.961848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.961848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.961848][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.961848][ T72] netlink_unicast+0x449/0x710 [ 4562.961848][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.961848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.961848][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.961848][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.961848][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.961848][ T72] [ 4562.964023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4562.964023][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4562.964023][ T72] ipv6_find_idev+0x102/0x170 [ 4562.964023][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.964023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.964023][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.964023][ T72] netlink_unicast+0x449/0x710 [ 4562.964023][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.964023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.964023][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.964023][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.964023][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.964023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.964023][ T72] [ 4562.965709][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4562.965709][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4562.965709][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4562.965709][ T72] ipv6_find_idev+0x102/0x170 [ 4562.965709][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.965709][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.965709][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.965709][ T72] netlink_unicast+0x449/0x710 [ 4562.965709][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.965709][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.965709][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.965709][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.965709][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.965709][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.965709][ T72] [ 4562.967581][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4562.967887][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4562.967887][ T72] dst_init+0x84/0x4a0 [ 4562.967887][ T72] dst_alloc+0x97/0x150 [ 4562.967887][ T72] ip6_dst_alloc+0x23/0x90 [ 4562.967887][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4562.967887][ T72] ip6_pol_route+0x56f/0x840 [ 4562.967887][ T72] fib6_rule_lookup+0x456/0x630 [ 4562.967887][ T72] ip6_route_input+0x59c/0xa50 [ 4562.967887][ T72] ipv6_rcv+0x397/0x810 [ 4562.967887][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4562.967887][ T72] process_backlog+0x101/0x620 [ 4562.967887][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4562.967887][ T72] net_rx_action+0x495/0xbe0 [ 4562.967887][ T72] __do_softirq+0x1b5/0x7f6 [ 4562.967887][ T72] [ 4562.969696][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4562.969696][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.969696][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.969696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.969696][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4562.969696][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4562.969696][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4562.969696][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4562.969696][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4562.969696][ T72] addrconf_dad_begin+0x310/0x670 [ 4562.969696][ T72] addrconf_dad_work+0x10b/0xab0 [ 4562.969696][ T72] process_one_work+0x84d/0x18a0 [ 4562.969696][ T72] worker_thread+0x587/0xd30 [ 4562.969696][ T72] kthread+0x28a/0x350 [ 4562.969696][ T72] ret_from_fork+0x31/0x70 [ 4562.969696][ T72] ret_from_fork_asm+0x1a/0x30 [ 4562.969696][ T72] [ 4562.971832][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4562.971832][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.971832][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.971832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.971832][ T72] ip6_route_add+0x1c/0x140 [ 4562.971832][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4562.971832][ T72] inet6_addr_add+0x4f8/0xa40 [ 4562.971832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.971832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.971832][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.971832][ T72] netlink_unicast+0x449/0x710 [ 4562.971832][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.971832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.971832][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.971832][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.971832][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.971832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.971832][ T72] [ 4562.974070][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4562.974070][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.974070][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.974070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.974070][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4562.974070][ T72] ipv6_add_addr+0x411/0x2000 [ 4562.974070][ T72] inet6_addr_add+0x30e/0xa40 [ 4562.974070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.974070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.974070][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.974070][ T72] netlink_unicast+0x449/0x710 [ 4562.974070][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.974070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.974070][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.974070][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.974070][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.974070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.974070][ T72] [ 4562.976263][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4562.976263][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.976263][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.976263][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.976263][ T72] ip6_route_add+0x1c/0x140 [ 4562.976263][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4562.976263][ T72] addrconf_add_dev+0xe2/0x170 [ 4562.976263][ T72] inet6_addr_add+0x12f/0xa40 [ 4562.976263][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.976263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.976263][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.976263][ T72] netlink_unicast+0x449/0x710 [ 4562.976263][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.976263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.976263][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.976263][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.976263][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.976263][ T72] [ 4562.978440][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4562.978440][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4562.978440][ T72] ipv6_find_idev+0x102/0x170 [ 4562.978440][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.978440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.978440][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.978440][ T72] netlink_unicast+0x449/0x710 [ 4562.978440][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.978440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.978440][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.978440][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.978440][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.978440][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.978440][ T72] [ 4562.980144][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4562.980144][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4562.980144][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4562.980144][ T72] ipv6_find_idev+0x102/0x170 [ 4562.980144][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.980144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.980144][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.980144][ T72] netlink_unicast+0x449/0x710 [ 4562.980144][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.980144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.980144][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.980144][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.980144][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.980144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.980144][ T72] [ 4562.982070][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4562.982370][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4562.982370][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4562.982370][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4562.982370][ T72] fib6_nh_init+0xa22/0x1580 [ 4562.982370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.982370][ T72] ip6_route_add+0x1c/0x140 [ 4562.982370][ T72] inet6_rtm_newroute+0x104/0x110 [ 4562.982370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.982370][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.982370][ T72] netlink_unicast+0x449/0x710 [ 4562.982370][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.982370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.982370][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.982370][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.982370][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.982370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.982370][ T72] [ 4562.984773][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4562.984773][ T72] dst_init+0x84/0x4a0 [ 4562.984773][ T72] dst_alloc+0x97/0x150 [ 4562.984773][ T72] ip6_dst_alloc+0x23/0x90 [ 4562.984773][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4562.984773][ T72] ip6_pol_route+0x56f/0x840 [ 4562.984773][ T72] fib6_rule_lookup+0x456/0x630 [ 4562.984773][ T72] ip6_route_input+0x59c/0xa50 [ 4562.984773][ T72] ipv6_rcv+0x397/0x810 [ 4562.984773][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4562.984773][ T72] process_backlog+0x101/0x620 [ 4562.984773][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4562.984773][ T72] net_rx_action+0x495/0xbe0 [ 4562.984773][ T72] __do_softirq+0x1b5/0x7f6 [ 4562.984773][ T72] [ 4562.986779][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4562.986779][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.986779][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.986779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.986779][ T72] ip6_route_add+0x1c/0x140 [ 4562.986779][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4562.986779][ T72] inet6_addr_add+0x4f8/0xa40 [ 4562.986779][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.986779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.986779][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.986779][ T72] netlink_unicast+0x449/0x710 [ 4562.986779][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.986779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.986779][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.986779][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.986779][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.986779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.986779][ T72] [ 4562.989180][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4562.989180][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.989180][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.989180][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.989180][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4562.989180][ T72] ipv6_add_addr+0x411/0x2000 [ 4562.989180][ T72] inet6_addr_add+0x30e/0xa40 [ 4562.989180][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.989180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.989180][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.989180][ T72] netlink_unicast+0x449/0x710 [ 4562.989180][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.989180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.989180][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.989180][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.989180][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.989180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.989180][ T72] [ 4562.991641][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4562.991641][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.991641][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.991641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.991641][ T72] ip6_route_add+0x1c/0x140 [ 4562.991641][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4562.991641][ T72] addrconf_add_dev+0xe2/0x170 [ 4562.991641][ T72] inet6_addr_add+0x12f/0xa40 [ 4562.991641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.991641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.991641][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.991641][ T72] netlink_unicast+0x449/0x710 [ 4562.991641][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.991641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.991641][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.991641][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.991641][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.991641][ T72] [ 4562.994051][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4562.994051][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4562.994051][ T72] ipv6_find_idev+0x102/0x170 [ 4562.994051][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.994051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.994051][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.994051][ T72] netlink_unicast+0x449/0x710 [ 4562.994051][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.994051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.994051][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.994051][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.994051][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.994051][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.994051][ T72] [ 4562.995990][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4562.995990][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4562.995990][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4562.995990][ T72] ipv6_find_idev+0x102/0x170 [ 4562.995990][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.995990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.995990][ T72] netlink_rcv_skb+0x130/0x360 [ 4562.995990][ T72] netlink_unicast+0x449/0x710 [ 4562.995990][ T72] netlink_sendmsg+0x723/0xbe0 [ 4562.995990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4562.995990][ T72] ___sys_sendmsg+0xee/0x170 [ 4562.995990][ T72] __sys_sendmsg+0xcd/0x170 [ 4562.995990][ T72] do_syscall_64+0xc6/0x1e0 [ 4562.995990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.995990][ T72] [ 4562.998054][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4562.998424][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4562.998424][ T72] netdev_get_by_index+0x5e/0x80 [ 4562.998424][ T72] fib6_nh_init+0x3d8/0x1580 [ 4562.998424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4562.998424][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4562.998424][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4562.998424][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4562.998424][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4562.998424][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4562.998424][ T72] addrconf_dad_begin+0x310/0x670 [ 4562.998424][ T72] addrconf_dad_work+0x10b/0xab0 [ 4562.998424][ T72] process_one_work+0x84d/0x18a0 [ 4562.998424][ T72] worker_thread+0x587/0xd30 [ 4562.998424][ T72] kthread+0x28a/0x350 [ 4562.998424][ T72] ret_from_fork+0x31/0x70 [ 4562.998424][ T72] ret_from_fork_asm+0x1a/0x30 [ 4562.998424][ T72] [ 4563.000646][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4563.000646][ T72] netdev_get_by_index+0x5e/0x80 [ 4563.000646][ T72] fib6_nh_init+0x3d8/0x1580 [ 4563.000646][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4563.000646][ T72] ip6_route_add+0x1c/0x140 [ 4563.000646][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4563.000646][ T72] inet6_addr_add+0x4f8/0xa40 [ 4563.000646][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4563.000646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4563.000646][ T72] netlink_rcv_skb+0x130/0x360 [ 4563.000646][ T72] netlink_unicast+0x449/0x710 [ 4563.000646][ T72] netlink_sendmsg+0x723/0xbe0 [ 4563.000646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4563.000646][ T72] ___sys_sendmsg+0xee/0x170 [ 4563.000646][ T72] __sys_sendmsg+0xcd/0x170 [ 4563.000646][ T72] do_syscall_64+0xc6/0x1e0 [ 4563.000646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4563.000646][ T72] [ 4563.003094][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4563.003094][ T72] netdev_get_by_index+0x5e/0x80 [ 4563.003094][ T72] fib6_nh_init+0x3d8/0x1580 [ 4563.003094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4563.003094][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4563.003094][ T72] ipv6_add_addr+0x411/0x2000 [ 4563.003094][ T72] inet6_addr_add+0x30e/0xa40 [ 4563.003094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4563.003094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4563.003094][ T72] netlink_rcv_skb+0x130/0x360 [ 4563.003094][ T72] netlink_unicast+0x449/0x710 [ 4563.003094][ T72] netlink_sendmsg+0x723/0xbe0 [ 4563.003094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4563.003094][ T72] ___sys_sendmsg+0xee/0x170 [ 4563.003094][ T72] __sys_sendmsg+0xcd/0x170 [ 4563.003094][ T72] do_syscall_64+0xc6/0x1e0 [ 4563.003094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4563.003094][ T72] [ 4563.005614][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4563.005614][ T72] netdev_get_by_index+0x5e/0x80 [ 4563.005614][ T72] fib6_nh_init+0x3d8/0x1580 [ 4563.005614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4563.005614][ T72] ip6_route_add+0x1c/0x140 [ 4563.005614][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4563.005614][ T72] addrconf_add_dev+0xe2/0x170 [ 4563.005614][ T72] inet6_addr_add+0x12f/0xa40 [ 4563.005614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4563.005614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4563.005614][ T72] netlink_rcv_skb+0x130/0x360 [ 4563.005614][ T72] netlink_unicast+0x449/0x710 [ 4563.005614][ T72] netlink_sendmsg+0x723/0xbe0 [ 4563.005614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4563.005614][ T72] ___sys_sendmsg+0xee/0x170 [ 4563.005614][ T72] __sys_sendmsg+0xcd/0x170 [ 4563.005614][ T72] do_syscall_64+0xc6/0x1e0 [ 4563.005614][ T72] [ 4563.008032][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4563.008032][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4563.008032][ T72] ipv6_find_idev+0x102/0x170 [ 4563.008032][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4563.008032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4563.008032][ T72] netlink_rcv_skb+0x130/0x360 [ 4563.008032][ T72] netlink_unicast+0x449/0x710 [ 4563.008032][ T72] netlink_sendmsg+0x723/0xbe0 [ 4563.008032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4563.008032][ T72] ___sys_sendmsg+0xee/0x170 [ 4563.008032][ T72] __sys_sendmsg+0xcd/0x170 [ 4563.008032][ T72] do_syscall_64+0xc6/0x1e0 [ 4563.008032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4563.008032][ T72] [ 4563.009913][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4563.009913][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4563.009913][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4563.009913][ T72] ipv6_find_idev+0x102/0x170 [ 4563.009913][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4563.009913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4563.009913][ T72] netlink_rcv_skb+0x130/0x360 [ 4563.009913][ T72] netlink_unicast+0x449/0x710 [ 4563.009913][ T72] netlink_sendmsg+0x723/0xbe0 [ 4563.009913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4563.009913][ T72] ___sys_sendmsg+0xee/0x170 [ 4563.009913][ T72] __sys_sendmsg+0xcd/0x170 [ 4563.009913][ T72] do_syscall_64+0xc6/0x1e0 [ 4563.009913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4563.009913][ T72] [ 4573.096922][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4573.097365][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4573.097365][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4573.097365][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4573.097365][ T72] fib6_nh_init+0xa22/0x1580 [ 4573.097365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.097365][ T72] ip6_route_add+0x1c/0x140 [ 4573.097365][ T72] inet6_rtm_newroute+0x104/0x110 [ 4573.097365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.097365][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.097365][ T72] netlink_unicast+0x449/0x710 [ 4573.097365][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.097365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.097365][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.097365][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.097365][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.097365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.097365][ T72] [ 4573.099515][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4573.099515][ T72] dst_init+0x84/0x4a0 [ 4573.099515][ T72] dst_alloc+0x97/0x150 [ 4573.099515][ T72] ip6_dst_alloc+0x23/0x90 [ 4573.099515][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4573.099515][ T72] ip6_pol_route+0x56f/0x840 [ 4573.099515][ T72] fib6_rule_lookup+0x456/0x630 [ 4573.099515][ T72] ip6_route_input+0x59c/0xa50 [ 4573.099515][ T72] ipv6_rcv+0x397/0x810 [ 4573.099515][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4573.099515][ T72] process_backlog+0x101/0x620 [ 4573.099515][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4573.099515][ T72] net_rx_action+0x495/0xbe0 [ 4573.099515][ T72] __do_softirq+0x1b5/0x7f6 [ 4573.099515][ T72] [ 4573.101385][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4573.101385][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.101385][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.101385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.101385][ T72] ip6_route_add+0x1c/0x140 [ 4573.101385][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4573.101385][ T72] inet6_addr_add+0x4f8/0xa40 [ 4573.101385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.101385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.101385][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.101385][ T72] netlink_unicast+0x449/0x710 [ 4573.101385][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.101385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.101385][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.101385][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.101385][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.101385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.101385][ T72] [ 4573.103658][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4573.103658][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.103658][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.103658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.103658][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4573.103658][ T72] ipv6_add_addr+0x411/0x2000 [ 4573.103658][ T72] inet6_addr_add+0x30e/0xa40 [ 4573.103658][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.103658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.103658][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.103658][ T72] netlink_unicast+0x449/0x710 [ 4573.103658][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.103658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.103658][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.103658][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.103658][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.103658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.103658][ T72] [ 4573.105927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4573.105927][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.105927][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.105927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.105927][ T72] ip6_route_add+0x1c/0x140 [ 4573.105927][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4573.105927][ T72] addrconf_add_dev+0xe2/0x170 [ 4573.105927][ T72] inet6_addr_add+0x12f/0xa40 [ 4573.105927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.105927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.105927][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.105927][ T72] netlink_unicast+0x449/0x710 [ 4573.105927][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.105927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.105927][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.105927][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.105927][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.105927][ T72] [ 4573.108164][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4573.108164][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4573.108164][ T72] ipv6_find_idev+0x102/0x170 [ 4573.108164][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.108164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.108164][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.108164][ T72] netlink_unicast+0x449/0x710 [ 4573.108164][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.108164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.108164][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.108164][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.108164][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.108164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.108164][ T72] [ 4573.110011][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4573.110011][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4573.110011][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4573.110011][ T72] ipv6_find_idev+0x102/0x170 [ 4573.110011][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.110011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.110011][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.110011][ T72] netlink_unicast+0x449/0x710 [ 4573.110011][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.110011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.110011][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.110011][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.110011][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.110011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.110011][ T72] [ 4573.111936][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4573.112230][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4573.112230][ T72] dst_init+0x84/0x4a0 [ 4573.112230][ T72] dst_alloc+0x97/0x150 [ 4573.112230][ T72] ip6_dst_alloc+0x23/0x90 [ 4573.112230][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4573.112230][ T72] ip6_pol_route+0x56f/0x840 [ 4573.112230][ T72] fib6_rule_lookup+0x456/0x630 [ 4573.112230][ T72] ip6_route_input+0x59c/0xa50 [ 4573.112230][ T72] ipv6_rcv+0x397/0x810 [ 4573.112230][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4573.112230][ T72] process_backlog+0x101/0x620 [ 4573.112230][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4573.112230][ T72] net_rx_action+0x495/0xbe0 [ 4573.112230][ T72] __do_softirq+0x1b5/0x7f6 [ 4573.112230][ T72] [ 4573.114091][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4573.114091][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.114091][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.114091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.114091][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4573.114091][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4573.114091][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4573.114091][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4573.114091][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4573.114091][ T72] addrconf_dad_begin+0x310/0x670 [ 4573.114091][ T72] addrconf_dad_work+0x10b/0xab0 [ 4573.114091][ T72] process_one_work+0x84d/0x18a0 [ 4573.114091][ T72] worker_thread+0x587/0xd30 [ 4573.114091][ T72] kthread+0x28a/0x350 [ 4573.114091][ T72] ret_from_fork+0x31/0x70 [ 4573.114091][ T72] ret_from_fork_asm+0x1a/0x30 [ 4573.114091][ T72] [ 4573.116260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4573.116260][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.116260][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.116260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.116260][ T72] ip6_route_add+0x1c/0x140 [ 4573.116260][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4573.116260][ T72] inet6_addr_add+0x4f8/0xa40 [ 4573.116260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.116260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.116260][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.116260][ T72] netlink_unicast+0x449/0x710 [ 4573.116260][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.116260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.116260][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.116260][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.116260][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.116260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.116260][ T72] [ 4573.118531][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4573.118531][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.118531][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.118531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.118531][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4573.118531][ T72] ipv6_add_addr+0x411/0x2000 [ 4573.118531][ T72] inet6_addr_add+0x30e/0xa40 [ 4573.118531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.118531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.118531][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.118531][ T72] netlink_unicast+0x449/0x710 [ 4573.118531][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.118531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.118531][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.118531][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.118531][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.118531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.118531][ T72] [ 4573.120799][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4573.120799][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.120799][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.120799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.120799][ T72] ip6_route_add+0x1c/0x140 [ 4573.120799][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4573.120799][ T72] addrconf_add_dev+0xe2/0x170 [ 4573.120799][ T72] inet6_addr_add+0x12f/0xa40 [ 4573.120799][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.120799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.120799][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.120799][ T72] netlink_unicast+0x449/0x710 [ 4573.120799][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.120799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.120799][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.120799][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.120799][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.120799][ T72] [ 4573.123012][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4573.123012][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4573.123012][ T72] ipv6_find_idev+0x102/0x170 [ 4573.123012][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.123012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.123012][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.123012][ T72] netlink_unicast+0x449/0x710 [ 4573.123012][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.123012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.123012][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.123012][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.123012][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.123012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.123012][ T72] [ 4573.124740][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4573.124740][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4573.124740][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4573.124740][ T72] ipv6_find_idev+0x102/0x170 [ 4573.124740][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.124740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.124740][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.124740][ T72] netlink_unicast+0x449/0x710 [ 4573.124740][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.124740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.124740][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.124740][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.124740][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.124740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.124740][ T72] [ 4573.126804][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4573.127110][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4573.127110][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4573.127110][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4573.127110][ T72] fib6_nh_init+0xa22/0x1580 [ 4573.127110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.127110][ T72] ip6_route_add+0x1c/0x140 [ 4573.127110][ T72] inet6_rtm_newroute+0x104/0x110 [ 4573.127110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.127110][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.127110][ T72] netlink_unicast+0x449/0x710 [ 4573.127110][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.127110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.127110][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.127110][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.127110][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.127110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.127110][ T72] [ 4573.129544][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4573.129544][ T72] dst_init+0x84/0x4a0 [ 4573.129544][ T72] dst_alloc+0x97/0x150 [ 4573.129544][ T72] ip6_dst_alloc+0x23/0x90 [ 4573.129544][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4573.129544][ T72] ip6_pol_route+0x56f/0x840 [ 4573.129544][ T72] fib6_rule_lookup+0x456/0x630 [ 4573.129544][ T72] ip6_route_input+0x59c/0xa50 [ 4573.129544][ T72] ipv6_rcv+0x397/0x810 [ 4573.129544][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4573.129544][ T72] process_backlog+0x101/0x620 [ 4573.129544][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4573.129544][ T72] net_rx_action+0x495/0xbe0 [ 4573.129544][ T72] __do_softirq+0x1b5/0x7f6 [ 4573.129544][ T72] [ 4573.131566][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4573.131566][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.131566][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.131566][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.131566][ T72] ip6_route_add+0x1c/0x140 [ 4573.131566][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4573.131566][ T72] inet6_addr_add+0x4f8/0xa40 [ 4573.131566][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.131566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.131566][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.131566][ T72] netlink_unicast+0x449/0x710 [ 4573.131566][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.131566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.131566][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.131566][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.131566][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.131566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.131566][ T72] [ 4573.134084][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4573.134084][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.134084][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.134084][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.134084][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4573.134084][ T72] ipv6_add_addr+0x411/0x2000 [ 4573.134084][ T72] inet6_addr_add+0x30e/0xa40 [ 4573.134084][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.134084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.134084][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.134084][ T72] netlink_unicast+0x449/0x710 [ 4573.134084][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.134084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.134084][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.134084][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.134084][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.134084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.134084][ T72] [ 4573.136524][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4573.136524][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.136524][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.136524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.136524][ T72] ip6_route_add+0x1c/0x140 [ 4573.136524][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4573.136524][ T72] addrconf_add_dev+0xe2/0x170 [ 4573.136524][ T72] inet6_addr_add+0x12f/0xa40 [ 4573.136524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.136524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.136524][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.136524][ T72] netlink_unicast+0x449/0x710 [ 4573.136524][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.136524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.136524][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.136524][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.136524][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.136524][ T72] [ 4573.139062][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4573.139062][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4573.139062][ T72] ipv6_find_idev+0x102/0x170 [ 4573.139062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.139062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.139062][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.139062][ T72] netlink_unicast+0x449/0x710 [ 4573.139062][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.139062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.139062][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.139062][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.139062][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.139062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.139062][ T72] [ 4573.140983][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4573.140983][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4573.140983][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4573.140983][ T72] ipv6_find_idev+0x102/0x170 [ 4573.140983][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.140983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.140983][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.140983][ T72] netlink_unicast+0x449/0x710 [ 4573.140983][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.140983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.140983][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.140983][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.140983][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.140983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.140983][ T72] [ 4573.143101][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4573.143507][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4573.143507][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.143507][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.143507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.143507][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4573.143507][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4573.143507][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4573.143507][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4573.143507][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4573.143507][ T72] addrconf_dad_begin+0x310/0x670 [ 4573.143507][ T72] addrconf_dad_work+0x10b/0xab0 [ 4573.143507][ T72] process_one_work+0x84d/0x18a0 [ 4573.143507][ T72] worker_thread+0x587/0xd30 [ 4573.143507][ T72] kthread+0x28a/0x350 [ 4573.143507][ T72] ret_from_fork+0x31/0x70 [ 4573.143507][ T72] ret_from_fork_asm+0x1a/0x30 [ 4573.143507][ T72] [ 4573.145802][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4573.145802][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.145802][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.145802][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.145802][ T72] ip6_route_add+0x1c/0x140 [ 4573.145802][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4573.145802][ T72] inet6_addr_add+0x4f8/0xa40 [ 4573.145802][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.145802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.145802][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.145802][ T72] netlink_unicast+0x449/0x710 [ 4573.145802][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.145802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.145802][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.145802][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.145802][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.145802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.145802][ T72] [ 4573.148326][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4573.148326][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.148326][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.148326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.148326][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4573.148326][ T72] ipv6_add_addr+0x411/0x2000 [ 4573.148326][ T72] inet6_addr_add+0x30e/0xa40 [ 4573.148326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.148326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.148326][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.148326][ T72] netlink_unicast+0x449/0x710 [ 4573.148326][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.148326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.148326][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.148326][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.148326][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.148326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.148326][ T72] [ 4573.150893][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4573.150893][ T72] netdev_get_by_index+0x5e/0x80 [ 4573.150893][ T72] fib6_nh_init+0x3d8/0x1580 [ 4573.150893][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4573.150893][ T72] ip6_route_add+0x1c/0x140 [ 4573.150893][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4573.150893][ T72] addrconf_add_dev+0xe2/0x170 [ 4573.150893][ T72] inet6_addr_add+0x12f/0xa40 [ 4573.150893][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4573.150893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.150893][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.150893][ T72] netlink_unicast+0x449/0x710 [ 4573.150893][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.150893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.150893][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.150893][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.150893][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.150893][ T72] [ 4573.153353][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4573.153353][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4573.153353][ T72] ipv6_find_idev+0x102/0x170 [ 4573.153353][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.153353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.153353][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.153353][ T72] netlink_unicast+0x449/0x710 [ 4573.153353][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.153353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.153353][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.153353][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.153353][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.153353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.153353][ T72] [ 4573.155289][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4573.155289][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4573.155289][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4573.155289][ T72] ipv6_find_idev+0x102/0x170 [ 4573.155289][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4573.155289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4573.155289][ T72] netlink_rcv_skb+0x130/0x360 [ 4573.155289][ T72] netlink_unicast+0x449/0x710 [ 4573.155289][ T72] netlink_sendmsg+0x723/0xbe0 [ 4573.155289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4573.155289][ T72] ___sys_sendmsg+0xee/0x170 [ 4573.155289][ T72] __sys_sendmsg+0xcd/0x170 [ 4573.155289][ T72] do_syscall_64+0xc6/0x1e0 [ 4573.155289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4573.155289][ T72] [ 4583.289021][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4583.290037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4583.290037][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4583.290037][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4583.290037][ T72] fib6_nh_init+0xa22/0x1580 [ 4583.290037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.290037][ T72] ip6_route_add+0x1c/0x140 [ 4583.290037][ T72] inet6_rtm_newroute+0x104/0x110 [ 4583.290037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.290037][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.290037][ T72] netlink_unicast+0x449/0x710 [ 4583.290037][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.290037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.290037][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.290037][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.290037][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.290037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.290037][ T72] [ 4583.291922][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4583.291922][ T72] dst_init+0x84/0x4a0 [ 4583.291922][ T72] dst_alloc+0x97/0x150 [ 4583.291922][ T72] ip6_dst_alloc+0x23/0x90 [ 4583.291922][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4583.291922][ T72] ip6_pol_route+0x56f/0x840 [ 4583.291922][ T72] fib6_rule_lookup+0x456/0x630 [ 4583.291922][ T72] ip6_route_input+0x59c/0xa50 [ 4583.291922][ T72] ipv6_rcv+0x397/0x810 [ 4583.291922][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4583.291922][ T72] process_backlog+0x101/0x620 [ 4583.291922][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4583.291922][ T72] net_rx_action+0x495/0xbe0 [ 4583.291922][ T72] __do_softirq+0x1b5/0x7f6 [ 4583.291922][ T72] [ 4583.293511][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4583.293511][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.293511][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.293511][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.293511][ T72] ip6_route_add+0x1c/0x140 [ 4583.293511][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4583.293511][ T72] inet6_addr_add+0x4f8/0xa40 [ 4583.293511][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.293511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.293511][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.293511][ T72] netlink_unicast+0x449/0x710 [ 4583.293511][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.293511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.293511][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.293511][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.293511][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.293511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.293511][ T72] [ 4583.295513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4583.295513][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.295513][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.295513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.295513][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4583.295513][ T72] ipv6_add_addr+0x411/0x2000 [ 4583.295513][ T72] inet6_addr_add+0x30e/0xa40 [ 4583.295513][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.295513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.295513][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.295513][ T72] netlink_unicast+0x449/0x710 [ 4583.295513][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.295513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.295513][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.295513][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.295513][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.295513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.295513][ T72] [ 4583.297574][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4583.297574][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.297574][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.297574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.297574][ T72] ip6_route_add+0x1c/0x140 [ 4583.297574][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4583.297574][ T72] addrconf_add_dev+0xe2/0x170 [ 4583.297574][ T72] inet6_addr_add+0x12f/0xa40 [ 4583.297574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.297574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.297574][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.297574][ T72] netlink_unicast+0x449/0x710 [ 4583.297574][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.297574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.297574][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.297574][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.297574][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.297574][ T72] [ 4583.299513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4583.299513][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4583.299513][ T72] ipv6_find_idev+0x102/0x170 [ 4583.299513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.299513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.299513][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.299513][ T72] netlink_unicast+0x449/0x710 [ 4583.299513][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.299513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.299513][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.299513][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.299513][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.299513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.299513][ T72] [ 4583.301091][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4583.301091][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4583.301091][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4583.301091][ T72] ipv6_find_idev+0x102/0x170 [ 4583.301091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.301091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.301091][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.301091][ T72] netlink_unicast+0x449/0x710 [ 4583.301091][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.301091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.301091][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.301091][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.301091][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.301091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.301091][ T72] [ 4583.302808][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4583.303081][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4583.303081][ T72] dst_init+0x84/0x4a0 [ 4583.303081][ T72] dst_alloc+0x97/0x150 [ 4583.303081][ T72] ip6_dst_alloc+0x23/0x90 [ 4583.303081][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4583.303081][ T72] ip6_pol_route+0x56f/0x840 [ 4583.303081][ T72] fib6_rule_lookup+0x456/0x630 [ 4583.303081][ T72] ip6_route_input+0x59c/0xa50 [ 4583.303081][ T72] ipv6_rcv+0x397/0x810 [ 4583.303081][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4583.303081][ T72] process_backlog+0x101/0x620 [ 4583.303081][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4583.303081][ T72] net_rx_action+0x495/0xbe0 [ 4583.303081][ T72] __do_softirq+0x1b5/0x7f6 [ 4583.303081][ T72] [ 4583.304736][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4583.304736][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.304736][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.304736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.304736][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4583.304736][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4583.304736][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4583.304736][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4583.304736][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4583.304736][ T72] addrconf_dad_begin+0x310/0x670 [ 4583.304736][ T72] addrconf_dad_work+0x10b/0xab0 [ 4583.304736][ T72] process_one_work+0x84d/0x18a0 [ 4583.304736][ T72] worker_thread+0x587/0xd30 [ 4583.304736][ T72] kthread+0x28a/0x350 [ 4583.304736][ T72] ret_from_fork+0x31/0x70 [ 4583.304736][ T72] ret_from_fork_asm+0x1a/0x30 [ 4583.304736][ T72] [ 4583.306673][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4583.306673][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.306673][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.306673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.306673][ T72] ip6_route_add+0x1c/0x140 [ 4583.306673][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4583.306673][ T72] inet6_addr_add+0x4f8/0xa40 [ 4583.306673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.306673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.306673][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.306673][ T72] netlink_unicast+0x449/0x710 [ 4583.306673][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.306673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.306673][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.306673][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.306673][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.306673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.306673][ T72] [ 4583.308676][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4583.308676][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.308676][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.308676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.308676][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4583.308676][ T72] ipv6_add_addr+0x411/0x2000 [ 4583.308676][ T72] inet6_addr_add+0x30e/0xa40 [ 4583.308676][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.308676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.308676][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.308676][ T72] netlink_unicast+0x449/0x710 [ 4583.308676][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.308676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.308676][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.308676][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.308676][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.308676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.308676][ T72] [ 4583.310619][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4583.310619][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.310619][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.310619][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.310619][ T72] ip6_route_add+0x1c/0x140 [ 4583.310619][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4583.310619][ T72] addrconf_add_dev+0xe2/0x170 [ 4583.310619][ T72] inet6_addr_add+0x12f/0xa40 [ 4583.310619][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.310619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.310619][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.310619][ T72] netlink_unicast+0x449/0x710 [ 4583.310619][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.310619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.310619][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.310619][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.310619][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.310619][ T72] [ 4583.312529][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4583.312529][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4583.312529][ T72] ipv6_find_idev+0x102/0x170 [ 4583.312529][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.312529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.312529][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.312529][ T72] netlink_unicast+0x449/0x710 [ 4583.312529][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.312529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.312529][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.312529][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.312529][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.312529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.312529][ T72] [ 4583.314077][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4583.314077][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4583.314077][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4583.314077][ T72] ipv6_find_idev+0x102/0x170 [ 4583.314077][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.314077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.314077][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.314077][ T72] netlink_unicast+0x449/0x710 [ 4583.314077][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.314077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.314077][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.314077][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.314077][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.314077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.314077][ T72] [ 4583.315803][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4583.316140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4583.316140][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4583.316140][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4583.316140][ T72] fib6_nh_init+0xa22/0x1580 [ 4583.316140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.316140][ T72] ip6_route_add+0x1c/0x140 [ 4583.316140][ T72] inet6_rtm_newroute+0x104/0x110 [ 4583.316140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.316140][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.316140][ T72] netlink_unicast+0x449/0x710 [ 4583.316140][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.316140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.316140][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.316140][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.316140][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.316140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.316140][ T72] [ 4583.318757][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4583.318757][ T72] dst_init+0x84/0x4a0 [ 4583.318757][ T72] dst_alloc+0x97/0x150 [ 4583.318757][ T72] ip6_dst_alloc+0x23/0x90 [ 4583.318757][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4583.318757][ T72] ip6_pol_route+0x56f/0x840 [ 4583.318757][ T72] fib6_rule_lookup+0x456/0x630 [ 4583.318757][ T72] ip6_route_input+0x59c/0xa50 [ 4583.318757][ T72] ipv6_rcv+0x397/0x810 [ 4583.318757][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4583.318757][ T72] process_backlog+0x101/0x620 [ 4583.318757][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4583.318757][ T72] net_rx_action+0x495/0xbe0 [ 4583.318757][ T72] __do_softirq+0x1b5/0x7f6 [ 4583.318757][ T72] [ 4583.320590][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4583.320590][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.320590][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.320590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.320590][ T72] ip6_route_add+0x1c/0x140 [ 4583.320590][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4583.320590][ T72] inet6_addr_add+0x4f8/0xa40 [ 4583.320590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.320590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.320590][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.320590][ T72] netlink_unicast+0x449/0x710 [ 4583.320590][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.320590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.320590][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.320590][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.320590][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.320590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.320590][ T72] [ 4583.322803][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4583.322803][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.322803][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.322803][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.322803][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4583.322803][ T72] ipv6_add_addr+0x411/0x2000 [ 4583.322803][ T72] inet6_addr_add+0x30e/0xa40 [ 4583.322803][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.322803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.322803][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.322803][ T72] netlink_unicast+0x449/0x710 [ 4583.322803][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.322803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.322803][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.322803][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.322803][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.322803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.322803][ T72] [ 4583.324991][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4583.324991][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.324991][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.324991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.324991][ T72] ip6_route_add+0x1c/0x140 [ 4583.324991][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4583.324991][ T72] addrconf_add_dev+0xe2/0x170 [ 4583.324991][ T72] inet6_addr_add+0x12f/0xa40 [ 4583.324991][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.324991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.324991][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.324991][ T72] netlink_unicast+0x449/0x710 [ 4583.324991][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.324991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.324991][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.324991][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.324991][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.324991][ T72] [ 4583.327645][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4583.327645][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4583.327645][ T72] ipv6_find_idev+0x102/0x170 [ 4583.327645][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.327645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.327645][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.327645][ T72] netlink_unicast+0x449/0x710 [ 4583.327645][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.327645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.327645][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.327645][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.327645][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.327645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.327645][ T72] [ 4583.329327][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4583.329327][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4583.329327][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4583.329327][ T72] ipv6_find_idev+0x102/0x170 [ 4583.329327][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.329327][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.329327][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.329327][ T72] netlink_unicast+0x449/0x710 [ 4583.329327][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.329327][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.329327][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.329327][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.329327][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.329327][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.329327][ T72] [ 4583.331163][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4583.331436][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4583.331436][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.331436][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.331436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.331436][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4583.331436][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4583.331436][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4583.331436][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4583.331436][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4583.331436][ T72] addrconf_dad_begin+0x310/0x670 [ 4583.331436][ T72] addrconf_dad_work+0x10b/0xab0 [ 4583.331436][ T72] process_one_work+0x84d/0x18a0 [ 4583.331436][ T72] worker_thread+0x587/0xd30 [ 4583.331436][ T72] kthread+0x28a/0x350 [ 4583.331436][ T72] ret_from_fork+0x31/0x70 [ 4583.331436][ T72] ret_from_fork_asm+0x1a/0x30 [ 4583.331436][ T72] [ 4583.333595][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4583.333595][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.333595][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.333595][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.333595][ T72] ip6_route_add+0x1c/0x140 [ 4583.333595][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4583.333595][ T72] inet6_addr_add+0x4f8/0xa40 [ 4583.333595][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.333595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.333595][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.333595][ T72] netlink_unicast+0x449/0x710 [ 4583.333595][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.333595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.333595][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.333595][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.333595][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.333595][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.333595][ T72] [ 4583.335843][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4583.335843][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.335843][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.335843][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.335843][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4583.335843][ T72] ipv6_add_addr+0x411/0x2000 [ 4583.335843][ T72] inet6_addr_add+0x30e/0xa40 [ 4583.335843][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.335843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.335843][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.335843][ T72] netlink_unicast+0x449/0x710 [ 4583.335843][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.335843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.335843][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.335843][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.335843][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.335843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.335843][ T72] [ 4583.338166][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4583.338166][ T72] netdev_get_by_index+0x5e/0x80 [ 4583.338166][ T72] fib6_nh_init+0x3d8/0x1580 [ 4583.338166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4583.338166][ T72] ip6_route_add+0x1c/0x140 [ 4583.338166][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4583.338166][ T72] addrconf_add_dev+0xe2/0x170 [ 4583.338166][ T72] inet6_addr_add+0x12f/0xa40 [ 4583.338166][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4583.338166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.338166][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.338166][ T72] netlink_unicast+0x449/0x710 [ 4583.338166][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.338166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.338166][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.338166][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.338166][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.338166][ T72] [ 4583.340369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4583.340369][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4583.340369][ T72] ipv6_find_idev+0x102/0x170 [ 4583.340369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.340369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.340369][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.340369][ T72] netlink_unicast+0x449/0x710 [ 4583.340369][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.340369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.340369][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.340369][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.340369][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.340369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.340369][ T72] [ 4583.342018][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4583.342018][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4583.342018][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4583.342018][ T72] ipv6_find_idev+0x102/0x170 [ 4583.342018][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4583.342018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4583.342018][ T72] netlink_rcv_skb+0x130/0x360 [ 4583.342018][ T72] netlink_unicast+0x449/0x710 [ 4583.342018][ T72] netlink_sendmsg+0x723/0xbe0 [ 4583.342018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4583.342018][ T72] ___sys_sendmsg+0xee/0x170 [ 4583.342018][ T72] __sys_sendmsg+0xcd/0x170 [ 4583.342018][ T72] do_syscall_64+0xc6/0x1e0 [ 4583.342018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4583.342018][ T72] [ 4593.344915][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4593.345445][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4593.345445][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4593.345445][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4593.345445][ T72] fib6_nh_init+0xa22/0x1580 [ 4593.345445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.345445][ T72] ip6_route_add+0x1c/0x140 [ 4593.345445][ T72] inet6_rtm_newroute+0x104/0x110 [ 4593.345445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.345445][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.345445][ T72] netlink_unicast+0x449/0x710 [ 4593.345445][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.345445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.345445][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.345445][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.345445][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.345445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.345445][ T72] [ 4593.347623][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4593.347623][ T72] dst_init+0x84/0x4a0 [ 4593.347623][ T72] dst_alloc+0x97/0x150 [ 4593.347623][ T72] ip6_dst_alloc+0x23/0x90 [ 4593.347623][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4593.347623][ T72] ip6_pol_route+0x56f/0x840 [ 4593.347623][ T72] fib6_rule_lookup+0x456/0x630 [ 4593.347623][ T72] ip6_route_input+0x59c/0xa50 [ 4593.347623][ T72] ipv6_rcv+0x397/0x810 [ 4593.347623][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4593.347623][ T72] process_backlog+0x101/0x620 [ 4593.347623][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4593.347623][ T72] net_rx_action+0x495/0xbe0 [ 4593.347623][ T72] __do_softirq+0x1b5/0x7f6 [ 4593.347623][ T72] [ 4593.349863][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4593.349863][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.349863][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.349863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.349863][ T72] ip6_route_add+0x1c/0x140 [ 4593.349863][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4593.349863][ T72] inet6_addr_add+0x4f8/0xa40 [ 4593.349863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.349863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.349863][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.349863][ T72] netlink_unicast+0x449/0x710 [ 4593.349863][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.349863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.349863][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.349863][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.349863][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.349863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.349863][ T72] [ 4593.352279][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4593.352279][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.352279][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.352279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.352279][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4593.352279][ T72] ipv6_add_addr+0x411/0x2000 [ 4593.352279][ T72] inet6_addr_add+0x30e/0xa40 [ 4593.352279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.352279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.352279][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.352279][ T72] netlink_unicast+0x449/0x710 [ 4593.352279][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.352279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.352279][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.352279][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.352279][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.352279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.352279][ T72] [ 4593.354541][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4593.354541][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.354541][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.354541][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.354541][ T72] ip6_route_add+0x1c/0x140 [ 4593.354541][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4593.354541][ T72] addrconf_add_dev+0xe2/0x170 [ 4593.354541][ T72] inet6_addr_add+0x12f/0xa40 [ 4593.354541][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.354541][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.354541][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.354541][ T72] netlink_unicast+0x449/0x710 [ 4593.354541][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.354541][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.354541][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.354541][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.354541][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.354541][ T72] [ 4593.356765][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4593.356765][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4593.356765][ T72] ipv6_find_idev+0x102/0x170 [ 4593.356765][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.356765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.356765][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.356765][ T72] netlink_unicast+0x449/0x710 [ 4593.356765][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.356765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.356765][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.356765][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.356765][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.356765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.356765][ T72] [ 4593.358511][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4593.358511][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4593.358511][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4593.358511][ T72] ipv6_find_idev+0x102/0x170 [ 4593.358511][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.358511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.358511][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.358511][ T72] netlink_unicast+0x449/0x710 [ 4593.358511][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.358511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.358511][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.358511][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.358511][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.358511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.358511][ T72] [ 4593.360435][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4593.360733][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4593.360733][ T72] dst_init+0x84/0x4a0 [ 4593.360733][ T72] dst_alloc+0x97/0x150 [ 4593.360733][ T72] ip6_dst_alloc+0x23/0x90 [ 4593.360733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4593.360733][ T72] ip6_pol_route+0x56f/0x840 [ 4593.360733][ T72] fib6_rule_lookup+0x456/0x630 [ 4593.360733][ T72] ip6_route_input+0x59c/0xa50 [ 4593.360733][ T72] ipv6_rcv+0x397/0x810 [ 4593.360733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4593.360733][ T72] process_backlog+0x101/0x620 [ 4593.360733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4593.360733][ T72] net_rx_action+0x495/0xbe0 [ 4593.360733][ T72] __do_softirq+0x1b5/0x7f6 [ 4593.360733][ T72] [ 4593.362585][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4593.362585][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.362585][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.362585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.362585][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4593.362585][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4593.362585][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4593.362585][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4593.362585][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4593.362585][ T72] addrconf_dad_begin+0x310/0x670 [ 4593.362585][ T72] addrconf_dad_work+0x10b/0xab0 [ 4593.362585][ T72] process_one_work+0x84d/0x18a0 [ 4593.362585][ T72] worker_thread+0x587/0xd30 [ 4593.362585][ T72] kthread+0x28a/0x350 [ 4593.362585][ T72] ret_from_fork+0x31/0x70 [ 4593.362585][ T72] ret_from_fork_asm+0x1a/0x30 [ 4593.362585][ T72] [ 4593.364735][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4593.364735][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.364735][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.364735][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.364735][ T72] ip6_route_add+0x1c/0x140 [ 4593.364735][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4593.364735][ T72] inet6_addr_add+0x4f8/0xa40 [ 4593.364735][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.364735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.364735][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.364735][ T72] netlink_unicast+0x449/0x710 [ 4593.364735][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.364735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.364735][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.364735][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.364735][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.364735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.364735][ T72] [ 4593.366996][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4593.366996][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.366996][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.366996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.366996][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4593.366996][ T72] ipv6_add_addr+0x411/0x2000 [ 4593.366996][ T72] inet6_addr_add+0x30e/0xa40 [ 4593.366996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.366996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.366996][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.366996][ T72] netlink_unicast+0x449/0x710 [ 4593.366996][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.366996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.366996][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.366996][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.366996][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.366996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.366996][ T72] [ 4593.369280][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4593.369280][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.369280][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.369280][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.369280][ T72] ip6_route_add+0x1c/0x140 [ 4593.369280][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4593.369280][ T72] addrconf_add_dev+0xe2/0x170 [ 4593.369280][ T72] inet6_addr_add+0x12f/0xa40 [ 4593.369280][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.369280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.369280][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.369280][ T72] netlink_unicast+0x449/0x710 [ 4593.369280][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.369280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.369280][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.369280][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.369280][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.369280][ T72] [ 4593.371495][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4593.371495][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4593.371495][ T72] ipv6_find_idev+0x102/0x170 [ 4593.371495][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.371495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.371495][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.371495][ T72] netlink_unicast+0x449/0x710 [ 4593.371495][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.371495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.371495][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.371495][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.371495][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.371495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.371495][ T72] [ 4593.373225][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4593.373225][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4593.373225][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4593.373225][ T72] ipv6_find_idev+0x102/0x170 [ 4593.373225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.373225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.373225][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.373225][ T72] netlink_unicast+0x449/0x710 [ 4593.373225][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.373225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.373225][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.373225][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.373225][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.373225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.373225][ T72] [ 4593.375259][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4593.375560][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4593.375560][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4593.375560][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4593.375560][ T72] fib6_nh_init+0xa22/0x1580 [ 4593.375560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.375560][ T72] ip6_route_add+0x1c/0x140 [ 4593.375560][ T72] inet6_rtm_newroute+0x104/0x110 [ 4593.375560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.375560][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.375560][ T72] netlink_unicast+0x449/0x710 [ 4593.375560][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.375560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.375560][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.375560][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.375560][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.375560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.375560][ T72] [ 4593.378911][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4593.378911][ T72] dst_init+0x84/0x4a0 [ 4593.378911][ T72] dst_alloc+0x97/0x150 [ 4593.378911][ T72] ip6_dst_alloc+0x23/0x90 [ 4593.378911][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4593.378911][ T72] ip6_pol_route+0x56f/0x840 [ 4593.378911][ T72] fib6_rule_lookup+0x456/0x630 [ 4593.378911][ T72] ip6_route_input+0x59c/0xa50 [ 4593.378911][ T72] ipv6_rcv+0x397/0x810 [ 4593.378911][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4593.378911][ T72] process_backlog+0x101/0x620 [ 4593.378911][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4593.378911][ T72] net_rx_action+0x495/0xbe0 [ 4593.378911][ T72] __do_softirq+0x1b5/0x7f6 [ 4593.378911][ T72] [ 4593.380946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4593.380946][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.380946][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.380946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.380946][ T72] ip6_route_add+0x1c/0x140 [ 4593.380946][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4593.380946][ T72] inet6_addr_add+0x4f8/0xa40 [ 4593.380946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.380946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.380946][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.380946][ T72] netlink_unicast+0x449/0x710 [ 4593.380946][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.380946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.380946][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.380946][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.380946][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.380946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.380946][ T72] [ 4593.383432][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4593.383432][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.383432][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.383432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.383432][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4593.383432][ T72] ipv6_add_addr+0x411/0x2000 [ 4593.383432][ T72] inet6_addr_add+0x30e/0xa40 [ 4593.383432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.383432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.383432][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.383432][ T72] netlink_unicast+0x449/0x710 [ 4593.383432][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.383432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.383432][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.383432][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.383432][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.383432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.383432][ T72] [ 4593.385864][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4593.385864][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.385864][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.385864][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.385864][ T72] ip6_route_add+0x1c/0x140 [ 4593.385864][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4593.385864][ T72] addrconf_add_dev+0xe2/0x170 [ 4593.385864][ T72] inet6_addr_add+0x12f/0xa40 [ 4593.385864][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.385864][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.385864][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.385864][ T72] netlink_unicast+0x449/0x710 [ 4593.385864][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.385864][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.385864][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.385864][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.385864][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.385864][ T72] [ 4593.388376][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4593.388376][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4593.388376][ T72] ipv6_find_idev+0x102/0x170 [ 4593.388376][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.388376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.388376][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.388376][ T72] netlink_unicast+0x449/0x710 [ 4593.388376][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.388376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.388376][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.388376][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.388376][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.388376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.388376][ T72] [ 4593.390305][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4593.390305][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4593.390305][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4593.390305][ T72] ipv6_find_idev+0x102/0x170 [ 4593.390305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.390305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.390305][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.390305][ T72] netlink_unicast+0x449/0x710 [ 4593.390305][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.390305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.390305][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.390305][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.390305][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.390305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.390305][ T72] [ 4593.392392][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4593.392752][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4593.392752][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.392752][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.392752][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.392752][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4593.392752][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4593.392752][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4593.392752][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4593.392752][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4593.392752][ T72] addrconf_dad_begin+0x310/0x670 [ 4593.392752][ T72] addrconf_dad_work+0x10b/0xab0 [ 4593.392752][ T72] process_one_work+0x84d/0x18a0 [ 4593.392752][ T72] worker_thread+0x587/0xd30 [ 4593.392752][ T72] kthread+0x28a/0x350 [ 4593.392752][ T72] ret_from_fork+0x31/0x70 [ 4593.392752][ T72] ret_from_fork_asm+0x1a/0x30 [ 4593.392752][ T72] [ 4593.395043][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4593.395043][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.395043][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.395043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.395043][ T72] ip6_route_add+0x1c/0x140 [ 4593.395043][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4593.395043][ T72] inet6_addr_add+0x4f8/0xa40 [ 4593.395043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.395043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.395043][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.395043][ T72] netlink_unicast+0x449/0x710 [ 4593.395043][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.395043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.395043][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.395043][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.395043][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.395043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.395043][ T72] [ 4593.397545][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4593.397545][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.397545][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.397545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.397545][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4593.397545][ T72] ipv6_add_addr+0x411/0x2000 [ 4593.397545][ T72] inet6_addr_add+0x30e/0xa40 [ 4593.397545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.397545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.397545][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.397545][ T72] netlink_unicast+0x449/0x710 [ 4593.397545][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.397545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.397545][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.397545][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.397545][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.397545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.397545][ T72] [ 4593.400108][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4593.400108][ T72] netdev_get_by_index+0x5e/0x80 [ 4593.400108][ T72] fib6_nh_init+0x3d8/0x1580 [ 4593.400108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4593.400108][ T72] ip6_route_add+0x1c/0x140 [ 4593.400108][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4593.400108][ T72] addrconf_add_dev+0xe2/0x170 [ 4593.400108][ T72] inet6_addr_add+0x12f/0xa40 [ 4593.400108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.400108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.400108][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.400108][ T72] netlink_unicast+0x449/0x710 [ 4593.400108][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.400108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.400108][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.400108][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.400108][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.400108][ T72] [ 4593.402583][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4593.402583][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4593.402583][ T72] ipv6_find_idev+0x102/0x170 [ 4593.402583][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.402583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.402583][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.402583][ T72] netlink_unicast+0x449/0x710 [ 4593.402583][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.402583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.402583][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.402583][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.402583][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.402583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.402583][ T72] [ 4593.404501][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4593.404501][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4593.404501][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4593.404501][ T72] ipv6_find_idev+0x102/0x170 [ 4593.404501][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.404501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.404501][ T72] netlink_rcv_skb+0x130/0x360 [ 4593.404501][ T72] netlink_unicast+0x449/0x710 [ 4593.404501][ T72] netlink_sendmsg+0x723/0xbe0 [ 4593.404501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4593.404501][ T72] ___sys_sendmsg+0xee/0x170 [ 4593.404501][ T72] __sys_sendmsg+0xcd/0x170 [ 4593.404501][ T72] do_syscall_64+0xc6/0x1e0 [ 4593.404501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.404501][ T72] [ 4603.448918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4603.449411][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4603.449411][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4603.449411][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4603.449411][ T72] fib6_nh_init+0xa22/0x1580 [ 4603.449411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.449411][ T72] ip6_route_add+0x1c/0x140 [ 4603.449411][ T72] inet6_rtm_newroute+0x104/0x110 [ 4603.449411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.449411][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.449411][ T72] netlink_unicast+0x449/0x710 [ 4603.449411][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.449411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.449411][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.449411][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.449411][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.449411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.449411][ T72] [ 4603.451559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4603.451559][ T72] dst_init+0x84/0x4a0 [ 4603.451559][ T72] dst_alloc+0x97/0x150 [ 4603.451559][ T72] ip6_dst_alloc+0x23/0x90 [ 4603.451559][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4603.451559][ T72] ip6_pol_route+0x56f/0x840 [ 4603.451559][ T72] fib6_rule_lookup+0x456/0x630 [ 4603.451559][ T72] ip6_route_input+0x59c/0xa50 [ 4603.451559][ T72] ipv6_rcv+0x397/0x810 [ 4603.451559][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4603.451559][ T72] process_backlog+0x101/0x620 [ 4603.451559][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4603.451559][ T72] net_rx_action+0x495/0xbe0 [ 4603.451559][ T72] __do_softirq+0x1b5/0x7f6 [ 4603.451559][ T72] [ 4603.453408][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4603.453408][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.453408][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.453408][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.453408][ T72] ip6_route_add+0x1c/0x140 [ 4603.453408][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4603.453408][ T72] inet6_addr_add+0x4f8/0xa40 [ 4603.453408][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.453408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.453408][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.453408][ T72] netlink_unicast+0x449/0x710 [ 4603.453408][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.453408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.453408][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.453408][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.453408][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.453408][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.453408][ T72] [ 4603.455783][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4603.455783][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.455783][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.455783][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.455783][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4603.455783][ T72] ipv6_add_addr+0x411/0x2000 [ 4603.455783][ T72] inet6_addr_add+0x30e/0xa40 [ 4603.455783][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.455783][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.455783][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.455783][ T72] netlink_unicast+0x449/0x710 [ 4603.455783][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.455783][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.455783][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.455783][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.455783][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.455783][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.455783][ T72] [ 4603.458071][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4603.458071][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.458071][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.458071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.458071][ T72] ip6_route_add+0x1c/0x140 [ 4603.458071][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4603.458071][ T72] addrconf_add_dev+0xe2/0x170 [ 4603.458071][ T72] inet6_addr_add+0x12f/0xa40 [ 4603.458071][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.458071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.458071][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.458071][ T72] netlink_unicast+0x449/0x710 [ 4603.458071][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.458071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.458071][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.458071][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.458071][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.458071][ T72] [ 4603.460286][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4603.460286][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4603.460286][ T72] ipv6_find_idev+0x102/0x170 [ 4603.460286][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.460286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.460286][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.460286][ T72] netlink_unicast+0x449/0x710 [ 4603.460286][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.460286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.460286][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.460286][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.460286][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.460286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.460286][ T72] [ 4603.462031][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4603.462031][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4603.462031][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4603.462031][ T72] ipv6_find_idev+0x102/0x170 [ 4603.462031][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.462031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.462031][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.462031][ T72] netlink_unicast+0x449/0x710 [ 4603.462031][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.462031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.462031][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.462031][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.462031][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.462031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.462031][ T72] [ 4603.463970][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4603.464266][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4603.464266][ T72] dst_init+0x84/0x4a0 [ 4603.464266][ T72] dst_alloc+0x97/0x150 [ 4603.464266][ T72] ip6_dst_alloc+0x23/0x90 [ 4603.464266][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4603.464266][ T72] ip6_pol_route+0x56f/0x840 [ 4603.464266][ T72] fib6_rule_lookup+0x456/0x630 [ 4603.464266][ T72] ip6_route_input+0x59c/0xa50 [ 4603.464266][ T72] ipv6_rcv+0x397/0x810 [ 4603.464266][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4603.464266][ T72] process_backlog+0x101/0x620 [ 4603.464266][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4603.464266][ T72] net_rx_action+0x495/0xbe0 [ 4603.464266][ T72] __do_softirq+0x1b5/0x7f6 [ 4603.464266][ T72] [ 4603.466136][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4603.466136][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.466136][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.466136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.466136][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4603.466136][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4603.466136][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4603.466136][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4603.466136][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4603.466136][ T72] addrconf_dad_begin+0x310/0x670 [ 4603.466136][ T72] addrconf_dad_work+0x10b/0xab0 [ 4603.466136][ T72] process_one_work+0x84d/0x18a0 [ 4603.466136][ T72] worker_thread+0x587/0xd30 [ 4603.466136][ T72] kthread+0x28a/0x350 [ 4603.466136][ T72] ret_from_fork+0x31/0x70 [ 4603.466136][ T72] ret_from_fork_asm+0x1a/0x30 [ 4603.466136][ T72] [ 4603.468315][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4603.468315][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.468315][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.468315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.468315][ T72] ip6_route_add+0x1c/0x140 [ 4603.468315][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4603.468315][ T72] inet6_addr_add+0x4f8/0xa40 [ 4603.468315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.468315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.468315][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.468315][ T72] netlink_unicast+0x449/0x710 [ 4603.468315][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.468315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.468315][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.468315][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.468315][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.468315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.468315][ T72] [ 4603.470564][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4603.470564][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.470564][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.470564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.470564][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4603.470564][ T72] ipv6_add_addr+0x411/0x2000 [ 4603.470564][ T72] inet6_addr_add+0x30e/0xa40 [ 4603.470564][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.470564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.470564][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.470564][ T72] netlink_unicast+0x449/0x710 [ 4603.470564][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.470564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.470564][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.470564][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.470564][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.470564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.470564][ T72] [ 4603.472834][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4603.472834][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.472834][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.472834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.472834][ T72] ip6_route_add+0x1c/0x140 [ 4603.472834][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4603.472834][ T72] addrconf_add_dev+0xe2/0x170 [ 4603.472834][ T72] inet6_addr_add+0x12f/0xa40 [ 4603.472834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.472834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.472834][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.472834][ T72] netlink_unicast+0x449/0x710 [ 4603.472834][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.472834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.472834][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.472834][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.472834][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.472834][ T72] [ 4603.475042][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4603.475042][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4603.475042][ T72] ipv6_find_idev+0x102/0x170 [ 4603.475042][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.475042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.475042][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.475042][ T72] netlink_unicast+0x449/0x710 [ 4603.475042][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.475042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.475042][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.475042][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.475042][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.475042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.475042][ T72] [ 4603.476787][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4603.476787][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4603.476787][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4603.476787][ T72] ipv6_find_idev+0x102/0x170 [ 4603.476787][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.476787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.476787][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.476787][ T72] netlink_unicast+0x449/0x710 [ 4603.476787][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.476787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.476787][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.476787][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.476787][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.476787][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.476787][ T72] [ 4603.478828][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4603.479131][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4603.479131][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4603.479131][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4603.479131][ T72] fib6_nh_init+0xa22/0x1580 [ 4603.479131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.479131][ T72] ip6_route_add+0x1c/0x140 [ 4603.479131][ T72] inet6_rtm_newroute+0x104/0x110 [ 4603.479131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.479131][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.479131][ T72] netlink_unicast+0x449/0x710 [ 4603.479131][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.479131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.479131][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.479131][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.479131][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.479131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.479131][ T72] [ 4603.481565][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4603.481565][ T72] dst_init+0x84/0x4a0 [ 4603.481565][ T72] dst_alloc+0x97/0x150 [ 4603.481565][ T72] ip6_dst_alloc+0x23/0x90 [ 4603.481565][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4603.481565][ T72] ip6_pol_route+0x56f/0x840 [ 4603.481565][ T72] fib6_rule_lookup+0x456/0x630 [ 4603.481565][ T72] ip6_route_input+0x59c/0xa50 [ 4603.481565][ T72] ipv6_rcv+0x397/0x810 [ 4603.481565][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4603.481565][ T72] process_backlog+0x101/0x620 [ 4603.481565][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4603.481565][ T72] net_rx_action+0x495/0xbe0 [ 4603.481565][ T72] __do_softirq+0x1b5/0x7f6 [ 4603.481565][ T72] [ 4603.483586][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4603.483586][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.483586][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.483586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.483586][ T72] ip6_route_add+0x1c/0x140 [ 4603.483586][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4603.483586][ T72] inet6_addr_add+0x4f8/0xa40 [ 4603.483586][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.483586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.483586][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.483586][ T72] netlink_unicast+0x449/0x710 [ 4603.483586][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.483586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.483586][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.483586][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.483586][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.483586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.483586][ T72] [ 4603.486081][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4603.486081][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.486081][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.486081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.486081][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4603.486081][ T72] ipv6_add_addr+0x411/0x2000 [ 4603.486081][ T72] inet6_addr_add+0x30e/0xa40 [ 4603.486081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.486081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.486081][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.486081][ T72] netlink_unicast+0x449/0x710 [ 4603.486081][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.486081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.486081][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.486081][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.486081][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.486081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.486081][ T72] [ 4603.488518][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4603.488518][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.488518][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.488518][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.488518][ T72] ip6_route_add+0x1c/0x140 [ 4603.488518][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4603.488518][ T72] addrconf_add_dev+0xe2/0x170 [ 4603.488518][ T72] inet6_addr_add+0x12f/0xa40 [ 4603.488518][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.488518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.488518][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.488518][ T72] netlink_unicast+0x449/0x710 [ 4603.488518][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.488518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.488518][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.488518][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.488518][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.488518][ T72] [ 4603.491033][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4603.491033][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4603.491033][ T72] ipv6_find_idev+0x102/0x170 [ 4603.491033][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.491033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.491033][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.491033][ T72] netlink_unicast+0x449/0x710 [ 4603.491033][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.491033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.491033][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.491033][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.491033][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.491033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.491033][ T72] [ 4603.492959][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4603.492959][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4603.492959][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4603.492959][ T72] ipv6_find_idev+0x102/0x170 [ 4603.492959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.492959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.492959][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.492959][ T72] netlink_unicast+0x449/0x710 [ 4603.492959][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.492959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.492959][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.492959][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.492959][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.492959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.492959][ T72] [ 4603.495039][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4603.495409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4603.495409][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.495409][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.495409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.495409][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4603.495409][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4603.495409][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4603.495409][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4603.495409][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4603.495409][ T72] addrconf_dad_begin+0x310/0x670 [ 4603.495409][ T72] addrconf_dad_work+0x10b/0xab0 [ 4603.495409][ T72] process_one_work+0x84d/0x18a0 [ 4603.495409][ T72] worker_thread+0x587/0xd30 [ 4603.495409][ T72] kthread+0x28a/0x350 [ 4603.495409][ T72] ret_from_fork+0x31/0x70 [ 4603.495409][ T72] ret_from_fork_asm+0x1a/0x30 [ 4603.495409][ T72] [ 4603.497694][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4603.497694][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.497694][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.497694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.497694][ T72] ip6_route_add+0x1c/0x140 [ 4603.497694][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4603.497694][ T72] inet6_addr_add+0x4f8/0xa40 [ 4603.497694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.497694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.497694][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.497694][ T72] netlink_unicast+0x449/0x710 [ 4603.497694][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.497694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.497694][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.497694][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.497694][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.497694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.497694][ T72] [ 4603.500189][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4603.500189][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.500189][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.500189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.500189][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4603.500189][ T72] ipv6_add_addr+0x411/0x2000 [ 4603.500189][ T72] inet6_addr_add+0x30e/0xa40 [ 4603.500189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.500189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.500189][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.500189][ T72] netlink_unicast+0x449/0x710 [ 4603.500189][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.500189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.500189][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.500189][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.500189][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.500189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.500189][ T72] [ 4603.502736][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4603.502736][ T72] netdev_get_by_index+0x5e/0x80 [ 4603.502736][ T72] fib6_nh_init+0x3d8/0x1580 [ 4603.502736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4603.502736][ T72] ip6_route_add+0x1c/0x140 [ 4603.502736][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4603.502736][ T72] addrconf_add_dev+0xe2/0x170 [ 4603.502736][ T72] inet6_addr_add+0x12f/0xa40 [ 4603.502736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.502736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.502736][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.502736][ T72] netlink_unicast+0x449/0x710 [ 4603.502736][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.502736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.502736][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.502736][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.502736][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.502736][ T72] [ 4603.505196][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4603.505196][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4603.505196][ T72] ipv6_find_idev+0x102/0x170 [ 4603.505196][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.505196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.505196][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.505196][ T72] netlink_unicast+0x449/0x710 [ 4603.505196][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.505196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.505196][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.505196][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.505196][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.505196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.505196][ T72] [ 4603.507129][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4603.507129][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4603.507129][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4603.507129][ T72] ipv6_find_idev+0x102/0x170 [ 4603.507129][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.507129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.507129][ T72] netlink_rcv_skb+0x130/0x360 [ 4603.507129][ T72] netlink_unicast+0x449/0x710 [ 4603.507129][ T72] netlink_sendmsg+0x723/0xbe0 [ 4603.507129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4603.507129][ T72] ___sys_sendmsg+0xee/0x170 [ 4603.507129][ T72] __sys_sendmsg+0xcd/0x170 [ 4603.507129][ T72] do_syscall_64+0xc6/0x1e0 [ 4603.507129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.507129][ T72] [ 4613.744945][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4613.745441][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4613.745441][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4613.745441][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4613.745441][ T72] fib6_nh_init+0xa22/0x1580 [ 4613.745441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.745441][ T72] ip6_route_add+0x1c/0x140 [ 4613.745441][ T72] inet6_rtm_newroute+0x104/0x110 [ 4613.745441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.745441][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.745441][ T72] netlink_unicast+0x449/0x710 [ 4613.745441][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.745441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.745441][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.745441][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.745441][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.745441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.745441][ T72] [ 4613.747595][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4613.747595][ T72] dst_init+0x84/0x4a0 [ 4613.747595][ T72] dst_alloc+0x97/0x150 [ 4613.747595][ T72] ip6_dst_alloc+0x23/0x90 [ 4613.747595][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4613.747595][ T72] ip6_pol_route+0x56f/0x840 [ 4613.747595][ T72] fib6_rule_lookup+0x456/0x630 [ 4613.747595][ T72] ip6_route_input+0x59c/0xa50 [ 4613.747595][ T72] ipv6_rcv+0x397/0x810 [ 4613.747595][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4613.747595][ T72] process_backlog+0x101/0x620 [ 4613.747595][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4613.747595][ T72] net_rx_action+0x495/0xbe0 [ 4613.747595][ T72] __do_softirq+0x1b5/0x7f6 [ 4613.747595][ T72] [ 4613.749443][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4613.749443][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.749443][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.749443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.749443][ T72] ip6_route_add+0x1c/0x140 [ 4613.749443][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4613.749443][ T72] inet6_addr_add+0x4f8/0xa40 [ 4613.749443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.749443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.749443][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.749443][ T72] netlink_unicast+0x449/0x710 [ 4613.749443][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.749443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.749443][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.749443][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.749443][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.749443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.749443][ T72] [ 4613.751713][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4613.751713][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.751713][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.751713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.751713][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4613.751713][ T72] ipv6_add_addr+0x411/0x2000 [ 4613.751713][ T72] inet6_addr_add+0x30e/0xa40 [ 4613.751713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.751713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.751713][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.751713][ T72] netlink_unicast+0x449/0x710 [ 4613.751713][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.751713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.751713][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.751713][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.751713][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.751713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.751713][ T72] [ 4613.753967][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4613.753967][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.753967][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.753967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.753967][ T72] ip6_route_add+0x1c/0x140 [ 4613.753967][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4613.753967][ T72] addrconf_add_dev+0xe2/0x170 [ 4613.753967][ T72] inet6_addr_add+0x12f/0xa40 [ 4613.753967][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.753967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.753967][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.753967][ T72] netlink_unicast+0x449/0x710 [ 4613.753967][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.753967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.753967][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.753967][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.753967][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.753967][ T72] [ 4613.756183][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4613.756183][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4613.756183][ T72] ipv6_find_idev+0x102/0x170 [ 4613.756183][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.756183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.756183][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.756183][ T72] netlink_unicast+0x449/0x710 [ 4613.756183][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.756183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.756183][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.756183][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.756183][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.756183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.756183][ T72] [ 4613.757928][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4613.757928][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4613.757928][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4613.757928][ T72] ipv6_find_idev+0x102/0x170 [ 4613.757928][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.757928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.757928][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.757928][ T72] netlink_unicast+0x449/0x710 [ 4613.757928][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.757928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.757928][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.757928][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.757928][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.757928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.757928][ T72] [ 4613.759861][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4613.760160][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4613.760160][ T72] dst_init+0x84/0x4a0 [ 4613.760160][ T72] dst_alloc+0x97/0x150 [ 4613.760160][ T72] ip6_dst_alloc+0x23/0x90 [ 4613.760160][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4613.760160][ T72] ip6_pol_route+0x56f/0x840 [ 4613.760160][ T72] fib6_rule_lookup+0x456/0x630 [ 4613.760160][ T72] ip6_route_input+0x59c/0xa50 [ 4613.760160][ T72] ipv6_rcv+0x397/0x810 [ 4613.760160][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4613.760160][ T72] process_backlog+0x101/0x620 [ 4613.760160][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4613.760160][ T72] net_rx_action+0x495/0xbe0 [ 4613.760160][ T72] __do_softirq+0x1b5/0x7f6 [ 4613.760160][ T72] [ 4613.762015][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4613.762015][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.762015][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.762015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.762015][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4613.762015][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4613.762015][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4613.762015][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4613.762015][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4613.762015][ T72] addrconf_dad_begin+0x310/0x670 [ 4613.762015][ T72] addrconf_dad_work+0x10b/0xab0 [ 4613.762015][ T72] process_one_work+0x84d/0x18a0 [ 4613.762015][ T72] worker_thread+0x587/0xd30 [ 4613.762015][ T72] kthread+0x28a/0x350 [ 4613.762015][ T72] ret_from_fork+0x31/0x70 [ 4613.762015][ T72] ret_from_fork_asm+0x1a/0x30 [ 4613.762015][ T72] [ 4613.764163][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4613.764163][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.764163][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.764163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.764163][ T72] ip6_route_add+0x1c/0x140 [ 4613.764163][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4613.764163][ T72] inet6_addr_add+0x4f8/0xa40 [ 4613.764163][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.764163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.764163][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.764163][ T72] netlink_unicast+0x449/0x710 [ 4613.764163][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.764163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.764163][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.764163][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.764163][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.764163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.764163][ T72] [ 4613.766421][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4613.766421][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.766421][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.766421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.766421][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4613.766421][ T72] ipv6_add_addr+0x411/0x2000 [ 4613.766421][ T72] inet6_addr_add+0x30e/0xa40 [ 4613.766421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.766421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.766421][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.766421][ T72] netlink_unicast+0x449/0x710 [ 4613.766421][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.766421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.766421][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.766421][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.766421][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.766421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.766421][ T72] [ 4613.768716][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4613.768716][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.768716][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.768716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.768716][ T72] ip6_route_add+0x1c/0x140 [ 4613.768716][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4613.768716][ T72] addrconf_add_dev+0xe2/0x170 [ 4613.768716][ T72] inet6_addr_add+0x12f/0xa40 [ 4613.768716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.768716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.768716][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.768716][ T72] netlink_unicast+0x449/0x710 [ 4613.768716][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.768716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.768716][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.768716][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.768716][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.768716][ T72] [ 4613.770928][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4613.770928][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4613.770928][ T72] ipv6_find_idev+0x102/0x170 [ 4613.770928][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.770928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.770928][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.770928][ T72] netlink_unicast+0x449/0x710 [ 4613.770928][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.770928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.770928][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.770928][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.770928][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.770928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.770928][ T72] [ 4613.772667][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4613.772667][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4613.772667][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4613.772667][ T72] ipv6_find_idev+0x102/0x170 [ 4613.772667][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.772667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.772667][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.772667][ T72] netlink_unicast+0x449/0x710 [ 4613.772667][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.772667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.772667][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.772667][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.772667][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.772667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.772667][ T72] [ 4613.774714][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4613.775035][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4613.775035][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4613.775035][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4613.775035][ T72] fib6_nh_init+0xa22/0x1580 [ 4613.775035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.775035][ T72] ip6_route_add+0x1c/0x140 [ 4613.775035][ T72] inet6_rtm_newroute+0x104/0x110 [ 4613.775035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.775035][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.775035][ T72] netlink_unicast+0x449/0x710 [ 4613.775035][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.775035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.775035][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.775035][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.775035][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.775035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.775035][ T72] [ 4613.777463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4613.777463][ T72] dst_init+0x84/0x4a0 [ 4613.777463][ T72] dst_alloc+0x97/0x150 [ 4613.777463][ T72] ip6_dst_alloc+0x23/0x90 [ 4613.777463][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4613.777463][ T72] ip6_pol_route+0x56f/0x840 [ 4613.777463][ T72] fib6_rule_lookup+0x456/0x630 [ 4613.777463][ T72] ip6_route_input+0x59c/0xa50 [ 4613.777463][ T72] ipv6_rcv+0x397/0x810 [ 4613.777463][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4613.777463][ T72] process_backlog+0x101/0x620 [ 4613.777463][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4613.777463][ T72] net_rx_action+0x495/0xbe0 [ 4613.777463][ T72] __do_softirq+0x1b5/0x7f6 [ 4613.777463][ T72] [ 4613.779496][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4613.779496][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.779496][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.779496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.779496][ T72] ip6_route_add+0x1c/0x140 [ 4613.779496][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4613.779496][ T72] inet6_addr_add+0x4f8/0xa40 [ 4613.779496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.779496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.779496][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.779496][ T72] netlink_unicast+0x449/0x710 [ 4613.779496][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.779496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.779496][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.779496][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.779496][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.779496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.779496][ T72] [ 4613.781993][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4613.781993][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.781993][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.781993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.781993][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4613.781993][ T72] ipv6_add_addr+0x411/0x2000 [ 4613.781993][ T72] inet6_addr_add+0x30e/0xa40 [ 4613.781993][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.781993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.781993][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.781993][ T72] netlink_unicast+0x449/0x710 [ 4613.781993][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.781993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.781993][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.781993][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.781993][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.781993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.781993][ T72] [ 4613.784439][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4613.784439][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.784439][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.784439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.784439][ T72] ip6_route_add+0x1c/0x140 [ 4613.784439][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4613.784439][ T72] addrconf_add_dev+0xe2/0x170 [ 4613.784439][ T72] inet6_addr_add+0x12f/0xa40 [ 4613.784439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.784439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.784439][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.784439][ T72] netlink_unicast+0x449/0x710 [ 4613.784439][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.784439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.784439][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.784439][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.784439][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.784439][ T72] [ 4613.786986][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4613.786986][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4613.786986][ T72] ipv6_find_idev+0x102/0x170 [ 4613.786986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.786986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.786986][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.786986][ T72] netlink_unicast+0x449/0x710 [ 4613.786986][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.786986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.786986][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.786986][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.786986][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.786986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.786986][ T72] [ 4613.788927][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4613.788927][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4613.788927][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4613.788927][ T72] ipv6_find_idev+0x102/0x170 [ 4613.788927][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.788927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.788927][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.788927][ T72] netlink_unicast+0x449/0x710 [ 4613.788927][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.788927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.788927][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.788927][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.788927][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.788927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.788927][ T72] [ 4613.791003][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4613.791374][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4613.791374][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.791374][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.791374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.791374][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4613.791374][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4613.791374][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4613.791374][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4613.791374][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4613.791374][ T72] addrconf_dad_begin+0x310/0x670 [ 4613.791374][ T72] addrconf_dad_work+0x10b/0xab0 [ 4613.791374][ T72] process_one_work+0x84d/0x18a0 [ 4613.791374][ T72] worker_thread+0x587/0xd30 [ 4613.791374][ T72] kthread+0x28a/0x350 [ 4613.791374][ T72] ret_from_fork+0x31/0x70 [ 4613.791374][ T72] ret_from_fork_asm+0x1a/0x30 [ 4613.791374][ T72] [ 4613.793655][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4613.793655][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.793655][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.793655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.793655][ T72] ip6_route_add+0x1c/0x140 [ 4613.793655][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4613.793655][ T72] inet6_addr_add+0x4f8/0xa40 [ 4613.793655][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.793655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.793655][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.793655][ T72] netlink_unicast+0x449/0x710 [ 4613.793655][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.793655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.793655][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.793655][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.793655][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.793655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.793655][ T72] [ 4613.796140][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4613.796140][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.796140][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.796140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.796140][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4613.796140][ T72] ipv6_add_addr+0x411/0x2000 [ 4613.796140][ T72] inet6_addr_add+0x30e/0xa40 [ 4613.796140][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.796140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.796140][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.796140][ T72] netlink_unicast+0x449/0x710 [ 4613.796140][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.796140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.796140][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.796140][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.796140][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.796140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.796140][ T72] [ 4613.798728][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4613.798728][ T72] netdev_get_by_index+0x5e/0x80 [ 4613.798728][ T72] fib6_nh_init+0x3d8/0x1580 [ 4613.798728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4613.798728][ T72] ip6_route_add+0x1c/0x140 [ 4613.798728][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4613.798728][ T72] addrconf_add_dev+0xe2/0x170 [ 4613.798728][ T72] inet6_addr_add+0x12f/0xa40 [ 4613.798728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.798728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.798728][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.798728][ T72] netlink_unicast+0x449/0x710 [ 4613.798728][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.798728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.798728][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.798728][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.798728][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.798728][ T72] [ 4613.801188][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4613.801188][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4613.801188][ T72] ipv6_find_idev+0x102/0x170 [ 4613.801188][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.801188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.801188][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.801188][ T72] netlink_unicast+0x449/0x710 [ 4613.801188][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.801188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.801188][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.801188][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.801188][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.801188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.801188][ T72] [ 4613.803106][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4613.803106][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4613.803106][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4613.803106][ T72] ipv6_find_idev+0x102/0x170 [ 4613.803106][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.803106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.803106][ T72] netlink_rcv_skb+0x130/0x360 [ 4613.803106][ T72] netlink_unicast+0x449/0x710 [ 4613.803106][ T72] netlink_sendmsg+0x723/0xbe0 [ 4613.803106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4613.803106][ T72] ___sys_sendmsg+0xee/0x170 [ 4613.803106][ T72] __sys_sendmsg+0xcd/0x170 [ 4613.803106][ T72] do_syscall_64+0xc6/0x1e0 [ 4613.803106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.803106][ T72] [ 4624.040958][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4624.041396][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4624.041396][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4624.041396][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4624.041396][ T72] fib6_nh_init+0xa22/0x1580 [ 4624.041396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.041396][ T72] ip6_route_add+0x1c/0x140 [ 4624.041396][ T72] inet6_rtm_newroute+0x104/0x110 [ 4624.041396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.041396][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.041396][ T72] netlink_unicast+0x449/0x710 [ 4624.041396][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.041396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.041396][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.041396][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.041396][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.041396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.041396][ T72] [ 4624.043304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4624.043304][ T72] dst_init+0x84/0x4a0 [ 4624.043304][ T72] dst_alloc+0x97/0x150 [ 4624.043304][ T72] ip6_dst_alloc+0x23/0x90 [ 4624.043304][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4624.043304][ T72] ip6_pol_route+0x56f/0x840 [ 4624.043304][ T72] fib6_rule_lookup+0x456/0x630 [ 4624.043304][ T72] ip6_route_input+0x59c/0xa50 [ 4624.043304][ T72] ipv6_rcv+0x397/0x810 [ 4624.043304][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4624.043304][ T72] process_backlog+0x101/0x620 [ 4624.043304][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4624.043304][ T72] net_rx_action+0x495/0xbe0 [ 4624.043304][ T72] __do_softirq+0x1b5/0x7f6 [ 4624.043304][ T72] [ 4624.044952][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4624.044952][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.044952][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.044952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.044952][ T72] ip6_route_add+0x1c/0x140 [ 4624.044952][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4624.044952][ T72] inet6_addr_add+0x4f8/0xa40 [ 4624.044952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.044952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.044952][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.044952][ T72] netlink_unicast+0x449/0x710 [ 4624.044952][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.044952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.044952][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.044952][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.044952][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.044952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.044952][ T72] [ 4624.046982][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4624.046982][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.046982][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.046982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.046982][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4624.046982][ T72] ipv6_add_addr+0x411/0x2000 [ 4624.046982][ T72] inet6_addr_add+0x30e/0xa40 [ 4624.046982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.046982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.046982][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.046982][ T72] netlink_unicast+0x449/0x710 [ 4624.046982][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.046982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.046982][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.046982][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.046982][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.046982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.046982][ T72] [ 4624.048997][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4624.048997][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.048997][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.048997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.048997][ T72] ip6_route_add+0x1c/0x140 [ 4624.048997][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4624.048997][ T72] addrconf_add_dev+0xe2/0x170 [ 4624.048997][ T72] inet6_addr_add+0x12f/0xa40 [ 4624.048997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.048997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.048997][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.048997][ T72] netlink_unicast+0x449/0x710 [ 4624.048997][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.048997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.048997][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.048997][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.048997][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.048997][ T72] [ 4624.050999][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4624.050999][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4624.050999][ T72] ipv6_find_idev+0x102/0x170 [ 4624.050999][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.050999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.050999][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.050999][ T72] netlink_unicast+0x449/0x710 [ 4624.050999][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.050999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.050999][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.050999][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.050999][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.050999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.050999][ T72] [ 4624.052545][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4624.052545][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4624.052545][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4624.052545][ T72] ipv6_find_idev+0x102/0x170 [ 4624.052545][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.052545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.052545][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.052545][ T72] netlink_unicast+0x449/0x710 [ 4624.052545][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.052545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.052545][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.052545][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.052545][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.052545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.052545][ T72] [ 4624.054387][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4624.054665][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4624.054665][ T72] dst_init+0x84/0x4a0 [ 4624.054665][ T72] dst_alloc+0x97/0x150 [ 4624.054665][ T72] ip6_dst_alloc+0x23/0x90 [ 4624.054665][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4624.054665][ T72] ip6_pol_route+0x56f/0x840 [ 4624.054665][ T72] fib6_rule_lookup+0x456/0x630 [ 4624.054665][ T72] ip6_route_input+0x59c/0xa50 [ 4624.054665][ T72] ipv6_rcv+0x397/0x810 [ 4624.054665][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4624.054665][ T72] process_backlog+0x101/0x620 [ 4624.054665][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4624.054665][ T72] net_rx_action+0x495/0xbe0 [ 4624.054665][ T72] __do_softirq+0x1b5/0x7f6 [ 4624.054665][ T72] [ 4624.056310][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4624.056310][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.056310][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.056310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.056310][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4624.056310][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4624.056310][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4624.056310][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4624.056310][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4624.056310][ T72] addrconf_dad_begin+0x310/0x670 [ 4624.056310][ T72] addrconf_dad_work+0x10b/0xab0 [ 4624.056310][ T72] process_one_work+0x84d/0x18a0 [ 4624.056310][ T72] worker_thread+0x587/0xd30 [ 4624.056310][ T72] kthread+0x28a/0x350 [ 4624.056310][ T72] ret_from_fork+0x31/0x70 [ 4624.056310][ T72] ret_from_fork_asm+0x1a/0x30 [ 4624.056310][ T72] [ 4624.058239][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4624.058239][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.058239][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.058239][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.058239][ T72] ip6_route_add+0x1c/0x140 [ 4624.058239][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4624.058239][ T72] inet6_addr_add+0x4f8/0xa40 [ 4624.058239][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.058239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.058239][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.058239][ T72] netlink_unicast+0x449/0x710 [ 4624.058239][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.058239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.058239][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.058239][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.058239][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.058239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.058239][ T72] [ 4624.060240][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4624.060240][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.060240][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.060240][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.060240][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4624.060240][ T72] ipv6_add_addr+0x411/0x2000 [ 4624.060240][ T72] inet6_addr_add+0x30e/0xa40 [ 4624.060240][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.060240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.060240][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.060240][ T72] netlink_unicast+0x449/0x710 [ 4624.060240][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.060240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.060240][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.060240][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.060240][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.060240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.060240][ T72] [ 4624.062245][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4624.062245][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.062245][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.062245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.062245][ T72] ip6_route_add+0x1c/0x140 [ 4624.062245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4624.062245][ T72] addrconf_add_dev+0xe2/0x170 [ 4624.062245][ T72] inet6_addr_add+0x12f/0xa40 [ 4624.062245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.062245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.062245][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.062245][ T72] netlink_unicast+0x449/0x710 [ 4624.062245][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.062245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.062245][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.062245][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.062245][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.062245][ T72] [ 4624.064215][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4624.064215][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4624.064215][ T72] ipv6_find_idev+0x102/0x170 [ 4624.064215][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.064215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.064215][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.064215][ T72] netlink_unicast+0x449/0x710 [ 4624.064215][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.064215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.064215][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.064215][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.064215][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.064215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.064215][ T72] [ 4624.065759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4624.065759][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4624.065759][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4624.065759][ T72] ipv6_find_idev+0x102/0x170 [ 4624.065759][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.065759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.065759][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.065759][ T72] netlink_unicast+0x449/0x710 [ 4624.065759][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.065759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.065759][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.065759][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.065759][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.065759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.065759][ T72] [ 4624.067530][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4624.067865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4624.067865][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4624.067865][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4624.067865][ T72] fib6_nh_init+0xa22/0x1580 [ 4624.067865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.067865][ T72] ip6_route_add+0x1c/0x140 [ 4624.067865][ T72] inet6_rtm_newroute+0x104/0x110 [ 4624.067865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.067865][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.067865][ T72] netlink_unicast+0x449/0x710 [ 4624.067865][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.067865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.067865][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.067865][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.067865][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.067865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.067865][ T72] [ 4624.069995][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4624.069995][ T72] dst_init+0x84/0x4a0 [ 4624.069995][ T72] dst_alloc+0x97/0x150 [ 4624.069995][ T72] ip6_dst_alloc+0x23/0x90 [ 4624.069995][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4624.069995][ T72] ip6_pol_route+0x56f/0x840 [ 4624.069995][ T72] fib6_rule_lookup+0x456/0x630 [ 4624.069995][ T72] ip6_route_input+0x59c/0xa50 [ 4624.069995][ T72] ipv6_rcv+0x397/0x810 [ 4624.069995][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4624.069995][ T72] process_backlog+0x101/0x620 [ 4624.069995][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4624.069995][ T72] net_rx_action+0x495/0xbe0 [ 4624.069995][ T72] __do_softirq+0x1b5/0x7f6 [ 4624.069995][ T72] [ 4624.071818][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4624.071818][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.071818][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.071818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.071818][ T72] ip6_route_add+0x1c/0x140 [ 4624.071818][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4624.071818][ T72] inet6_addr_add+0x4f8/0xa40 [ 4624.071818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.071818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.071818][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.071818][ T72] netlink_unicast+0x449/0x710 [ 4624.071818][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.071818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.071818][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.071818][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.071818][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.071818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.071818][ T72] [ 4624.074075][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4624.074075][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.074075][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.074075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.074075][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4624.074075][ T72] ipv6_add_addr+0x411/0x2000 [ 4624.074075][ T72] inet6_addr_add+0x30e/0xa40 [ 4624.074075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.074075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.074075][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.074075][ T72] netlink_unicast+0x449/0x710 [ 4624.074075][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.074075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.074075][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.074075][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.074075][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.074075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.074075][ T72] [ 4624.076320][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4624.076320][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.076320][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.076320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.076320][ T72] ip6_route_add+0x1c/0x140 [ 4624.076320][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4624.076320][ T72] addrconf_add_dev+0xe2/0x170 [ 4624.076320][ T72] inet6_addr_add+0x12f/0xa40 [ 4624.076320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.076320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.076320][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.076320][ T72] netlink_unicast+0x449/0x710 [ 4624.076320][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.076320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.076320][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.076320][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.076320][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.076320][ T72] [ 4624.079142][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4624.079142][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4624.079142][ T72] ipv6_find_idev+0x102/0x170 [ 4624.079142][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.079142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.079142][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.079142][ T72] netlink_unicast+0x449/0x710 [ 4624.079142][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.079142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.079142][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.079142][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.079142][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.079142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.079142][ T72] [ 4624.080868][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4624.080868][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4624.080868][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4624.080868][ T72] ipv6_find_idev+0x102/0x170 [ 4624.080868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.080868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.080868][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.080868][ T72] netlink_unicast+0x449/0x710 [ 4624.080868][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.080868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.080868][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.080868][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.080868][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.080868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.080868][ T72] [ 4624.082753][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4624.083481][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4624.083481][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.083481][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.083481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.083481][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4624.083481][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4624.083481][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4624.083481][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4624.083481][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4624.083481][ T72] addrconf_dad_begin+0x310/0x670 [ 4624.083481][ T72] addrconf_dad_work+0x10b/0xab0 [ 4624.083481][ T72] process_one_work+0x84d/0x18a0 [ 4624.083481][ T72] worker_thread+0x587/0xd30 [ 4624.083481][ T72] kthread+0x28a/0x350 [ 4624.083481][ T72] ret_from_fork+0x31/0x70 [ 4624.083481][ T72] ret_from_fork_asm+0x1a/0x30 [ 4624.083481][ T72] [ 4624.085397][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4624.085397][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.085397][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.085397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.085397][ T72] ip6_route_add+0x1c/0x140 [ 4624.085397][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4624.085397][ T72] inet6_addr_add+0x4f8/0xa40 [ 4624.085397][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.085397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.085397][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.085397][ T72] netlink_unicast+0x449/0x710 [ 4624.085397][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.085397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.085397][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.085397][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.085397][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.085397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.085397][ T72] [ 4624.087524][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4624.087524][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.087524][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.087524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.087524][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4624.087524][ T72] ipv6_add_addr+0x411/0x2000 [ 4624.087524][ T72] inet6_addr_add+0x30e/0xa40 [ 4624.087524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.087524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.087524][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.087524][ T72] netlink_unicast+0x449/0x710 [ 4624.087524][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.087524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.087524][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.087524][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.087524][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.087524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.087524][ T72] [ 4624.089776][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4624.089776][ T72] netdev_get_by_index+0x5e/0x80 [ 4624.089776][ T72] fib6_nh_init+0x3d8/0x1580 [ 4624.089776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4624.089776][ T72] ip6_route_add+0x1c/0x140 [ 4624.089776][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4624.089776][ T72] addrconf_add_dev+0xe2/0x170 [ 4624.089776][ T72] inet6_addr_add+0x12f/0xa40 [ 4624.089776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4624.089776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.089776][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.089776][ T72] netlink_unicast+0x449/0x710 [ 4624.089776][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.089776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.089776][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.089776][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.089776][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.089776][ T72] [ 4624.092048][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4624.092048][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4624.092048][ T72] ipv6_find_idev+0x102/0x170 [ 4624.092048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.092048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.092048][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.092048][ T72] netlink_unicast+0x449/0x710 [ 4624.092048][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.092048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.092048][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.092048][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.092048][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.092048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.092048][ T72] [ 4624.093773][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4624.093773][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4624.093773][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4624.093773][ T72] ipv6_find_idev+0x102/0x170 [ 4624.093773][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4624.093773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4624.093773][ T72] netlink_rcv_skb+0x130/0x360 [ 4624.093773][ T72] netlink_unicast+0x449/0x710 [ 4624.093773][ T72] netlink_sendmsg+0x723/0xbe0 [ 4624.093773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4624.093773][ T72] ___sys_sendmsg+0xee/0x170 [ 4624.093773][ T72] __sys_sendmsg+0xcd/0x170 [ 4624.093773][ T72] do_syscall_64+0xc6/0x1e0 [ 4624.093773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4624.093773][ T72] [ 4634.216955][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4634.217406][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4634.217406][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4634.217406][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4634.217406][ T72] fib6_nh_init+0xa22/0x1580 [ 4634.217406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.217406][ T72] ip6_route_add+0x1c/0x140 [ 4634.217406][ T72] inet6_rtm_newroute+0x104/0x110 [ 4634.217406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.217406][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.217406][ T72] netlink_unicast+0x449/0x710 [ 4634.217406][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.217406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.217406][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.217406][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.217406][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.217406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.217406][ T72] [ 4634.219321][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4634.219321][ T72] dst_init+0x84/0x4a0 [ 4634.219321][ T72] dst_alloc+0x97/0x150 [ 4634.219321][ T72] ip6_dst_alloc+0x23/0x90 [ 4634.219321][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4634.219321][ T72] ip6_pol_route+0x56f/0x840 [ 4634.219321][ T72] fib6_rule_lookup+0x456/0x630 [ 4634.219321][ T72] ip6_route_input+0x59c/0xa50 [ 4634.219321][ T72] ipv6_rcv+0x397/0x810 [ 4634.219321][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4634.219321][ T72] process_backlog+0x101/0x620 [ 4634.219321][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4634.219321][ T72] net_rx_action+0x495/0xbe0 [ 4634.219321][ T72] __do_softirq+0x1b5/0x7f6 [ 4634.219321][ T72] [ 4634.220963][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4634.220963][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.220963][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.220963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.220963][ T72] ip6_route_add+0x1c/0x140 [ 4634.220963][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4634.220963][ T72] inet6_addr_add+0x4f8/0xa40 [ 4634.220963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.220963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.220963][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.220963][ T72] netlink_unicast+0x449/0x710 [ 4634.220963][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.220963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.220963][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.220963][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.220963][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.220963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.220963][ T72] [ 4634.223027][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4634.223027][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.223027][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.223027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.223027][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4634.223027][ T72] ipv6_add_addr+0x411/0x2000 [ 4634.223027][ T72] inet6_addr_add+0x30e/0xa40 [ 4634.223027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.223027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.223027][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.223027][ T72] netlink_unicast+0x449/0x710 [ 4634.223027][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.223027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.223027][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.223027][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.223027][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.223027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.223027][ T72] [ 4634.225052][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4634.225052][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.225052][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.225052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.225052][ T72] ip6_route_add+0x1c/0x140 [ 4634.225052][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4634.225052][ T72] addrconf_add_dev+0xe2/0x170 [ 4634.225052][ T72] inet6_addr_add+0x12f/0xa40 [ 4634.225052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.225052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.225052][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.225052][ T72] netlink_unicast+0x449/0x710 [ 4634.225052][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.225052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.225052][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.225052][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.225052][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.225052][ T72] [ 4634.227041][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4634.227041][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4634.227041][ T72] ipv6_find_idev+0x102/0x170 [ 4634.227041][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.227041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.227041][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.227041][ T72] netlink_unicast+0x449/0x710 [ 4634.227041][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.227041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.227041][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.227041][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.227041][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.227041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.227041][ T72] [ 4634.228587][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4634.228587][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4634.228587][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4634.228587][ T72] ipv6_find_idev+0x102/0x170 [ 4634.228587][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.228587][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.228587][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.228587][ T72] netlink_unicast+0x449/0x710 [ 4634.228587][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.228587][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.228587][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.228587][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.228587][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.228587][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.228587][ T72] [ 4634.230298][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4634.230568][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4634.230568][ T72] dst_init+0x84/0x4a0 [ 4634.230568][ T72] dst_alloc+0x97/0x150 [ 4634.230568][ T72] ip6_dst_alloc+0x23/0x90 [ 4634.230568][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4634.230568][ T72] ip6_pol_route+0x56f/0x840 [ 4634.230568][ T72] fib6_rule_lookup+0x456/0x630 [ 4634.230568][ T72] ip6_route_input+0x59c/0xa50 [ 4634.230568][ T72] ipv6_rcv+0x397/0x810 [ 4634.230568][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4634.230568][ T72] process_backlog+0x101/0x620 [ 4634.230568][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4634.230568][ T72] net_rx_action+0x495/0xbe0 [ 4634.230568][ T72] __do_softirq+0x1b5/0x7f6 [ 4634.230568][ T72] [ 4634.232216][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4634.232216][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.232216][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.232216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.232216][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4634.232216][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4634.232216][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4634.232216][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4634.232216][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4634.232216][ T72] addrconf_dad_begin+0x310/0x670 [ 4634.232216][ T72] addrconf_dad_work+0x10b/0xab0 [ 4634.232216][ T72] process_one_work+0x84d/0x18a0 [ 4634.232216][ T72] worker_thread+0x587/0xd30 [ 4634.232216][ T72] kthread+0x28a/0x350 [ 4634.232216][ T72] ret_from_fork+0x31/0x70 [ 4634.232216][ T72] ret_from_fork_asm+0x1a/0x30 [ 4634.232216][ T72] [ 4634.234141][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4634.234141][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.234141][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.234141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.234141][ T72] ip6_route_add+0x1c/0x140 [ 4634.234141][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4634.234141][ T72] inet6_addr_add+0x4f8/0xa40 [ 4634.234141][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.234141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.234141][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.234141][ T72] netlink_unicast+0x449/0x710 [ 4634.234141][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.234141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.234141][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.234141][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.234141][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.234141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.234141][ T72] [ 4634.236150][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4634.236150][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.236150][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.236150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.236150][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4634.236150][ T72] ipv6_add_addr+0x411/0x2000 [ 4634.236150][ T72] inet6_addr_add+0x30e/0xa40 [ 4634.236150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.236150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.236150][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.236150][ T72] netlink_unicast+0x449/0x710 [ 4634.236150][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.236150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.236150][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.236150][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.236150][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.236150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.236150][ T72] [ 4634.238181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4634.238181][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.238181][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.238181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.238181][ T72] ip6_route_add+0x1c/0x140 [ 4634.238181][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4634.238181][ T72] addrconf_add_dev+0xe2/0x170 [ 4634.238181][ T72] inet6_addr_add+0x12f/0xa40 [ 4634.238181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.238181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.238181][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.238181][ T72] netlink_unicast+0x449/0x710 [ 4634.238181][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.238181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.238181][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.238181][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.238181][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.238181][ T72] [ 4634.240164][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4634.240164][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4634.240164][ T72] ipv6_find_idev+0x102/0x170 [ 4634.240164][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.240164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.240164][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.240164][ T72] netlink_unicast+0x449/0x710 [ 4634.240164][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.240164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.240164][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.240164][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.240164][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.240164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.240164][ T72] [ 4634.242080][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4634.242080][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4634.242080][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4634.242080][ T72] ipv6_find_idev+0x102/0x170 [ 4634.242080][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.242080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.242080][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.242080][ T72] netlink_unicast+0x449/0x710 [ 4634.242080][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.242080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.242080][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.242080][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.242080][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.242080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.242080][ T72] [ 4634.243854][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4634.244189][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4634.244189][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4634.244189][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4634.244189][ T72] fib6_nh_init+0xa22/0x1580 [ 4634.244189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.244189][ T72] ip6_route_add+0x1c/0x140 [ 4634.244189][ T72] inet6_rtm_newroute+0x104/0x110 [ 4634.244189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.244189][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.244189][ T72] netlink_unicast+0x449/0x710 [ 4634.244189][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.244189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.244189][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.244189][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.244189][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.244189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.244189][ T72] [ 4634.246314][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4634.246314][ T72] dst_init+0x84/0x4a0 [ 4634.246314][ T72] dst_alloc+0x97/0x150 [ 4634.246314][ T72] ip6_dst_alloc+0x23/0x90 [ 4634.246314][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4634.246314][ T72] ip6_pol_route+0x56f/0x840 [ 4634.246314][ T72] fib6_rule_lookup+0x456/0x630 [ 4634.246314][ T72] ip6_route_input+0x59c/0xa50 [ 4634.246314][ T72] ipv6_rcv+0x397/0x810 [ 4634.246314][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4634.246314][ T72] process_backlog+0x101/0x620 [ 4634.246314][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4634.246314][ T72] net_rx_action+0x495/0xbe0 [ 4634.246314][ T72] __do_softirq+0x1b5/0x7f6 [ 4634.246314][ T72] [ 4634.248144][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4634.248144][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.248144][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.248144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.248144][ T72] ip6_route_add+0x1c/0x140 [ 4634.248144][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4634.248144][ T72] inet6_addr_add+0x4f8/0xa40 [ 4634.248144][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.248144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.248144][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.248144][ T72] netlink_unicast+0x449/0x710 [ 4634.248144][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.248144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.248144][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.248144][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.248144][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.248144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.248144][ T72] [ 4634.250403][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4634.250403][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.250403][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.250403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.250403][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4634.250403][ T72] ipv6_add_addr+0x411/0x2000 [ 4634.250403][ T72] inet6_addr_add+0x30e/0xa40 [ 4634.250403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.250403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.250403][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.250403][ T72] netlink_unicast+0x449/0x710 [ 4634.250403][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.250403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.250403][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.250403][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.250403][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.250403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.250403][ T72] [ 4634.252659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4634.252659][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.252659][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.252659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.252659][ T72] ip6_route_add+0x1c/0x140 [ 4634.252659][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4634.252659][ T72] addrconf_add_dev+0xe2/0x170 [ 4634.252659][ T72] inet6_addr_add+0x12f/0xa40 [ 4634.252659][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.252659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.252659][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.252659][ T72] netlink_unicast+0x449/0x710 [ 4634.252659][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.252659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.252659][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.252659][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.252659][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.252659][ T72] [ 4634.254930][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4634.254930][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4634.254930][ T72] ipv6_find_idev+0x102/0x170 [ 4634.254930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.254930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.254930][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.254930][ T72] netlink_unicast+0x449/0x710 [ 4634.254930][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.254930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.254930][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.254930][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.254930][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.254930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.254930][ T72] [ 4634.256662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4634.256662][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4634.256662][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4634.256662][ T72] ipv6_find_idev+0x102/0x170 [ 4634.256662][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.256662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.256662][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.256662][ T72] netlink_unicast+0x449/0x710 [ 4634.256662][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.256662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.256662][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.256662][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.256662][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.256662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.256662][ T72] [ 4634.258539][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4634.258818][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4634.258818][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.258818][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.258818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.258818][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4634.258818][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4634.258818][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4634.258818][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4634.258818][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4634.258818][ T72] addrconf_dad_begin+0x310/0x670 [ 4634.258818][ T72] addrconf_dad_work+0x10b/0xab0 [ 4634.258818][ T72] process_one_work+0x84d/0x18a0 [ 4634.258818][ T72] worker_thread+0x587/0xd30 [ 4634.258818][ T72] kthread+0x28a/0x350 [ 4634.258818][ T72] ret_from_fork+0x31/0x70 [ 4634.258818][ T72] ret_from_fork_asm+0x1a/0x30 [ 4634.258818][ T72] [ 4634.260974][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4634.260974][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.260974][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.260974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.260974][ T72] ip6_route_add+0x1c/0x140 [ 4634.260974][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4634.260974][ T72] inet6_addr_add+0x4f8/0xa40 [ 4634.260974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.260974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.260974][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.260974][ T72] netlink_unicast+0x449/0x710 [ 4634.260974][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.260974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.260974][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.260974][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.260974][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.260974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.260974][ T72] [ 4634.263222][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4634.263222][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.263222][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.263222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.263222][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4634.263222][ T72] ipv6_add_addr+0x411/0x2000 [ 4634.263222][ T72] inet6_addr_add+0x30e/0xa40 [ 4634.263222][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.263222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.263222][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.263222][ T72] netlink_unicast+0x449/0x710 [ 4634.263222][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.263222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.263222][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.263222][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.263222][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.263222][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.263222][ T72] [ 4634.265533][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4634.265533][ T72] netdev_get_by_index+0x5e/0x80 [ 4634.265533][ T72] fib6_nh_init+0x3d8/0x1580 [ 4634.265533][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4634.265533][ T72] ip6_route_add+0x1c/0x140 [ 4634.265533][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4634.265533][ T72] addrconf_add_dev+0xe2/0x170 [ 4634.265533][ T72] inet6_addr_add+0x12f/0xa40 [ 4634.265533][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.265533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.265533][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.265533][ T72] netlink_unicast+0x449/0x710 [ 4634.265533][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.265533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.265533][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.265533][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.265533][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.265533][ T72] [ 4634.267700][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4634.267700][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4634.267700][ T72] ipv6_find_idev+0x102/0x170 [ 4634.267700][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.267700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.267700][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.267700][ T72] netlink_unicast+0x449/0x710 [ 4634.267700][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.267700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.267700][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.267700][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.267700][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.267700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.267700][ T72] [ 4634.269425][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4634.269425][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4634.269425][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4634.269425][ T72] ipv6_find_idev+0x102/0x170 [ 4634.269425][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.269425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.269425][ T72] netlink_rcv_skb+0x130/0x360 [ 4634.269425][ T72] netlink_unicast+0x449/0x710 [ 4634.269425][ T72] netlink_sendmsg+0x723/0xbe0 [ 4634.269425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4634.269425][ T72] ___sys_sendmsg+0xee/0x170 [ 4634.269425][ T72] __sys_sendmsg+0xcd/0x170 [ 4634.269425][ T72] do_syscall_64+0xc6/0x1e0 [ 4634.269425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.269425][ T72] [ 4644.512941][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4644.513430][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4644.513430][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4644.513430][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4644.513430][ T72] fib6_nh_init+0xa22/0x1580 [ 4644.513430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.513430][ T72] ip6_route_add+0x1c/0x140 [ 4644.513430][ T72] inet6_rtm_newroute+0x104/0x110 [ 4644.513430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.513430][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.513430][ T72] netlink_unicast+0x449/0x710 [ 4644.513430][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.513430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.513430][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.513430][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.513430][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.513430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.513430][ T72] [ 4644.515346][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4644.515346][ T72] dst_init+0x84/0x4a0 [ 4644.515346][ T72] dst_alloc+0x97/0x150 [ 4644.515346][ T72] ip6_dst_alloc+0x23/0x90 [ 4644.515346][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4644.515346][ T72] ip6_pol_route+0x56f/0x840 [ 4644.515346][ T72] fib6_rule_lookup+0x456/0x630 [ 4644.515346][ T72] ip6_route_input+0x59c/0xa50 [ 4644.515346][ T72] ipv6_rcv+0x397/0x810 [ 4644.515346][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4644.515346][ T72] process_backlog+0x101/0x620 [ 4644.515346][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4644.515346][ T72] net_rx_action+0x495/0xbe0 [ 4644.515346][ T72] __do_softirq+0x1b5/0x7f6 [ 4644.515346][ T72] [ 4644.517061][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4644.517061][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.517061][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.517061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.517061][ T72] ip6_route_add+0x1c/0x140 [ 4644.517061][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4644.517061][ T72] inet6_addr_add+0x4f8/0xa40 [ 4644.517061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.517061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.517061][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.517061][ T72] netlink_unicast+0x449/0x710 [ 4644.517061][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.517061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.517061][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.517061][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.517061][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.517061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.517061][ T72] [ 4644.519075][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4644.519075][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.519075][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.519075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.519075][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4644.519075][ T72] ipv6_add_addr+0x411/0x2000 [ 4644.519075][ T72] inet6_addr_add+0x30e/0xa40 [ 4644.519075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.519075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.519075][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.519075][ T72] netlink_unicast+0x449/0x710 [ 4644.519075][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.519075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.519075][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.519075][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.519075][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.519075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.519075][ T72] [ 4644.521081][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4644.521081][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.521081][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.521081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.521081][ T72] ip6_route_add+0x1c/0x140 [ 4644.521081][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4644.521081][ T72] addrconf_add_dev+0xe2/0x170 [ 4644.521081][ T72] inet6_addr_add+0x12f/0xa40 [ 4644.521081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.521081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.521081][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.521081][ T72] netlink_unicast+0x449/0x710 [ 4644.521081][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.521081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.521081][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.521081][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.521081][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.521081][ T72] [ 4644.523050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4644.523050][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4644.523050][ T72] ipv6_find_idev+0x102/0x170 [ 4644.523050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.523050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.523050][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.523050][ T72] netlink_unicast+0x449/0x710 [ 4644.523050][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.523050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.523050][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.523050][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.523050][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.523050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.523050][ T72] [ 4644.524596][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4644.524596][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4644.524596][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4644.524596][ T72] ipv6_find_idev+0x102/0x170 [ 4644.524596][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.524596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.524596][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.524596][ T72] netlink_unicast+0x449/0x710 [ 4644.524596][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.524596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.524596][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.524596][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.524596][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.524596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.524596][ T72] [ 4644.526296][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4644.526597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4644.526597][ T72] dst_init+0x84/0x4a0 [ 4644.526597][ T72] dst_alloc+0x97/0x150 [ 4644.526597][ T72] ip6_dst_alloc+0x23/0x90 [ 4644.526597][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4644.526597][ T72] ip6_pol_route+0x56f/0x840 [ 4644.526597][ T72] fib6_rule_lookup+0x456/0x630 [ 4644.526597][ T72] ip6_route_input+0x59c/0xa50 [ 4644.526597][ T72] ipv6_rcv+0x397/0x810 [ 4644.526597][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4644.526597][ T72] process_backlog+0x101/0x620 [ 4644.526597][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4644.526597][ T72] net_rx_action+0x495/0xbe0 [ 4644.526597][ T72] __do_softirq+0x1b5/0x7f6 [ 4644.526597][ T72] [ 4644.528249][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4644.528249][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.528249][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.528249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.528249][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4644.528249][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4644.528249][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4644.528249][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4644.528249][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4644.528249][ T72] addrconf_dad_begin+0x310/0x670 [ 4644.528249][ T72] addrconf_dad_work+0x10b/0xab0 [ 4644.528249][ T72] process_one_work+0x84d/0x18a0 [ 4644.528249][ T72] worker_thread+0x587/0xd30 [ 4644.528249][ T72] kthread+0x28a/0x350 [ 4644.528249][ T72] ret_from_fork+0x31/0x70 [ 4644.528249][ T72] ret_from_fork_asm+0x1a/0x30 [ 4644.528249][ T72] [ 4644.530171][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4644.530171][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.530171][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.530171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.530171][ T72] ip6_route_add+0x1c/0x140 [ 4644.530171][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4644.530171][ T72] inet6_addr_add+0x4f8/0xa40 [ 4644.530171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.530171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.530171][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.530171][ T72] netlink_unicast+0x449/0x710 [ 4644.530171][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.530171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.530171][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.530171][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.530171][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.530171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.530171][ T72] [ 4644.532175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4644.532175][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.532175][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.532175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.532175][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4644.532175][ T72] ipv6_add_addr+0x411/0x2000 [ 4644.532175][ T72] inet6_addr_add+0x30e/0xa40 [ 4644.532175][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.532175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.532175][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.532175][ T72] netlink_unicast+0x449/0x710 [ 4644.532175][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.532175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.532175][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.532175][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.532175][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.532175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.532175][ T72] [ 4644.534180][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4644.534180][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.534180][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.534180][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.534180][ T72] ip6_route_add+0x1c/0x140 [ 4644.534180][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4644.534180][ T72] addrconf_add_dev+0xe2/0x170 [ 4644.534180][ T72] inet6_addr_add+0x12f/0xa40 [ 4644.534180][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.534180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.534180][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.534180][ T72] netlink_unicast+0x449/0x710 [ 4644.534180][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.534180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.534180][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.534180][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.534180][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.534180][ T72] [ 4644.536151][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4644.536151][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4644.536151][ T72] ipv6_find_idev+0x102/0x170 [ 4644.536151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.536151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.536151][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.536151][ T72] netlink_unicast+0x449/0x710 [ 4644.536151][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.536151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.536151][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.536151][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.536151][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.536151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.536151][ T72] [ 4644.537704][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4644.537704][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4644.537704][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4644.537704][ T72] ipv6_find_idev+0x102/0x170 [ 4644.537704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.537704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.537704][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.537704][ T72] netlink_unicast+0x449/0x710 [ 4644.537704][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.537704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.537704][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.537704][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.537704][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.537704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.537704][ T72] [ 4644.539459][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4644.539799][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4644.539799][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4644.539799][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4644.539799][ T72] fib6_nh_init+0xa22/0x1580 [ 4644.539799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.539799][ T72] ip6_route_add+0x1c/0x140 [ 4644.539799][ T72] inet6_rtm_newroute+0x104/0x110 [ 4644.539799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.539799][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.539799][ T72] netlink_unicast+0x449/0x710 [ 4644.539799][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.539799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.539799][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.539799][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.539799][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.539799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.539799][ T72] [ 4644.541939][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4644.541939][ T72] dst_init+0x84/0x4a0 [ 4644.541939][ T72] dst_alloc+0x97/0x150 [ 4644.541939][ T72] ip6_dst_alloc+0x23/0x90 [ 4644.541939][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4644.541939][ T72] ip6_pol_route+0x56f/0x840 [ 4644.541939][ T72] fib6_rule_lookup+0x456/0x630 [ 4644.541939][ T72] ip6_route_input+0x59c/0xa50 [ 4644.541939][ T72] ipv6_rcv+0x397/0x810 [ 4644.541939][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4644.541939][ T72] process_backlog+0x101/0x620 [ 4644.541939][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4644.541939][ T72] net_rx_action+0x495/0xbe0 [ 4644.541939][ T72] __do_softirq+0x1b5/0x7f6 [ 4644.541939][ T72] [ 4644.543756][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4644.543756][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.543756][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.543756][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.543756][ T72] ip6_route_add+0x1c/0x140 [ 4644.543756][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4644.543756][ T72] inet6_addr_add+0x4f8/0xa40 [ 4644.543756][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.543756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.543756][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.543756][ T72] netlink_unicast+0x449/0x710 [ 4644.543756][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.543756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.543756][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.543756][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.543756][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.543756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.543756][ T72] [ 4644.546001][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4644.546001][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.546001][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.546001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.546001][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4644.546001][ T72] ipv6_add_addr+0x411/0x2000 [ 4644.546001][ T72] inet6_addr_add+0x30e/0xa40 [ 4644.546001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.546001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.546001][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.546001][ T72] netlink_unicast+0x449/0x710 [ 4644.546001][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.546001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.546001][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.546001][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.546001][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.546001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.546001][ T72] [ 4644.548198][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4644.548198][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.548198][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.548198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.548198][ T72] ip6_route_add+0x1c/0x140 [ 4644.548198][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4644.548198][ T72] addrconf_add_dev+0xe2/0x170 [ 4644.548198][ T72] inet6_addr_add+0x12f/0xa40 [ 4644.548198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.548198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.548198][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.548198][ T72] netlink_unicast+0x449/0x710 [ 4644.548198][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.548198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.548198][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.548198][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.548198][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.548198][ T72] [ 4644.550474][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4644.550474][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4644.550474][ T72] ipv6_find_idev+0x102/0x170 [ 4644.550474][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.550474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.550474][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.550474][ T72] netlink_unicast+0x449/0x710 [ 4644.550474][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.550474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.550474][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.550474][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.550474][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.550474][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.550474][ T72] [ 4644.552290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4644.552290][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4644.552290][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4644.552290][ T72] ipv6_find_idev+0x102/0x170 [ 4644.552290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.552290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.552290][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.552290][ T72] netlink_unicast+0x449/0x710 [ 4644.552290][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.552290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.552290][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.552290][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.552290][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.552290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.552290][ T72] [ 4644.554166][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4644.554436][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4644.554436][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.554436][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.554436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.554436][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4644.554436][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4644.554436][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4644.554436][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4644.554436][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4644.554436][ T72] addrconf_dad_begin+0x310/0x670 [ 4644.554436][ T72] addrconf_dad_work+0x10b/0xab0 [ 4644.554436][ T72] process_one_work+0x84d/0x18a0 [ 4644.554436][ T72] worker_thread+0x587/0xd30 [ 4644.554436][ T72] kthread+0x28a/0x350 [ 4644.554436][ T72] ret_from_fork+0x31/0x70 [ 4644.554436][ T72] ret_from_fork_asm+0x1a/0x30 [ 4644.554436][ T72] [ 4644.556604][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4644.556604][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.556604][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.556604][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.556604][ T72] ip6_route_add+0x1c/0x140 [ 4644.556604][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4644.556604][ T72] inet6_addr_add+0x4f8/0xa40 [ 4644.556604][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.556604][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.556604][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.556604][ T72] netlink_unicast+0x449/0x710 [ 4644.556604][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.556604][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.556604][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.556604][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.556604][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.556604][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.556604][ T72] [ 4644.558850][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4644.558850][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.558850][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.558850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.558850][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4644.558850][ T72] ipv6_add_addr+0x411/0x2000 [ 4644.558850][ T72] inet6_addr_add+0x30e/0xa40 [ 4644.558850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.558850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.558850][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.558850][ T72] netlink_unicast+0x449/0x710 [ 4644.558850][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.558850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.558850][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.558850][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.558850][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.558850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.558850][ T72] [ 4644.561158][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4644.561158][ T72] netdev_get_by_index+0x5e/0x80 [ 4644.561158][ T72] fib6_nh_init+0x3d8/0x1580 [ 4644.561158][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4644.561158][ T72] ip6_route_add+0x1c/0x140 [ 4644.561158][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4644.561158][ T72] addrconf_add_dev+0xe2/0x170 [ 4644.561158][ T72] inet6_addr_add+0x12f/0xa40 [ 4644.561158][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.561158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.561158][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.561158][ T72] netlink_unicast+0x449/0x710 [ 4644.561158][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.561158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.561158][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.561158][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.561158][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.561158][ T72] [ 4644.563310][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4644.563310][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4644.563310][ T72] ipv6_find_idev+0x102/0x170 [ 4644.563310][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.563310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.563310][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.563310][ T72] netlink_unicast+0x449/0x710 [ 4644.563310][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.563310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.563310][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.563310][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.563310][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.563310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.563310][ T72] [ 4644.565035][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4644.565035][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4644.565035][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4644.565035][ T72] ipv6_find_idev+0x102/0x170 [ 4644.565035][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.565035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.565035][ T72] netlink_rcv_skb+0x130/0x360 [ 4644.565035][ T72] netlink_unicast+0x449/0x710 [ 4644.565035][ T72] netlink_sendmsg+0x723/0xbe0 [ 4644.565035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4644.565035][ T72] ___sys_sendmsg+0xee/0x170 [ 4644.565035][ T72] __sys_sendmsg+0xcd/0x170 [ 4644.565035][ T72] do_syscall_64+0xc6/0x1e0 [ 4644.565035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.565035][ T72] [ 4654.808917][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4654.809425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4654.809425][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4654.809425][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4654.809425][ T72] fib6_nh_init+0xa22/0x1580 [ 4654.809425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.809425][ T72] ip6_route_add+0x1c/0x140 [ 4654.809425][ T72] inet6_rtm_newroute+0x104/0x110 [ 4654.809425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.809425][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.809425][ T72] netlink_unicast+0x449/0x710 [ 4654.809425][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.809425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.809425][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.809425][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.809425][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.809425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.809425][ T72] [ 4654.811577][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4654.811577][ T72] dst_init+0x84/0x4a0 [ 4654.811577][ T72] dst_alloc+0x97/0x150 [ 4654.811577][ T72] ip6_dst_alloc+0x23/0x90 [ 4654.811577][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4654.811577][ T72] ip6_pol_route+0x56f/0x840 [ 4654.811577][ T72] fib6_rule_lookup+0x456/0x630 [ 4654.811577][ T72] ip6_route_input+0x59c/0xa50 [ 4654.811577][ T72] ipv6_rcv+0x397/0x810 [ 4654.811577][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4654.811577][ T72] process_backlog+0x101/0x620 [ 4654.811577][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4654.811577][ T72] net_rx_action+0x495/0xbe0 [ 4654.811577][ T72] __do_softirq+0x1b5/0x7f6 [ 4654.811577][ T72] [ 4654.813444][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4654.813444][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.813444][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.813444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.813444][ T72] ip6_route_add+0x1c/0x140 [ 4654.813444][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4654.813444][ T72] inet6_addr_add+0x4f8/0xa40 [ 4654.813444][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.813444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.813444][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.813444][ T72] netlink_unicast+0x449/0x710 [ 4654.813444][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.813444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.813444][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.813444][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.813444][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.813444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.813444][ T72] [ 4654.815715][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4654.815715][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.815715][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.815715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.815715][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4654.815715][ T72] ipv6_add_addr+0x411/0x2000 [ 4654.815715][ T72] inet6_addr_add+0x30e/0xa40 [ 4654.815715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.815715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.815715][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.815715][ T72] netlink_unicast+0x449/0x710 [ 4654.815715][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.815715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.815715][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.815715][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.815715][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.815715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.815715][ T72] [ 4654.817992][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4654.817992][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.817992][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.817992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.817992][ T72] ip6_route_add+0x1c/0x140 [ 4654.817992][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4654.817992][ T72] addrconf_add_dev+0xe2/0x170 [ 4654.817992][ T72] inet6_addr_add+0x12f/0xa40 [ 4654.817992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.817992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.817992][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.817992][ T72] netlink_unicast+0x449/0x710 [ 4654.817992][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.817992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.817992][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.817992][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.817992][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.817992][ T72] [ 4654.820220][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4654.820220][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4654.820220][ T72] ipv6_find_idev+0x102/0x170 [ 4654.820220][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.820220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.820220][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.820220][ T72] netlink_unicast+0x449/0x710 [ 4654.820220][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.820220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.820220][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.820220][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.820220][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.820220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.820220][ T72] [ 4654.821962][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4654.821962][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4654.821962][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4654.821962][ T72] ipv6_find_idev+0x102/0x170 [ 4654.821962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.821962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.821962][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.821962][ T72] netlink_unicast+0x449/0x710 [ 4654.821962][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.821962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.821962][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.821962][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.821962][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.821962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.821962][ T72] [ 4654.823873][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4654.824186][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4654.824186][ T72] dst_init+0x84/0x4a0 [ 4654.824186][ T72] dst_alloc+0x97/0x150 [ 4654.824186][ T72] ip6_dst_alloc+0x23/0x90 [ 4654.824186][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4654.824186][ T72] ip6_pol_route+0x56f/0x840 [ 4654.824186][ T72] fib6_rule_lookup+0x456/0x630 [ 4654.824186][ T72] ip6_route_input+0x59c/0xa50 [ 4654.824186][ T72] ipv6_rcv+0x397/0x810 [ 4654.824186][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4654.824186][ T72] process_backlog+0x101/0x620 [ 4654.824186][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4654.824186][ T72] net_rx_action+0x495/0xbe0 [ 4654.824186][ T72] __do_softirq+0x1b5/0x7f6 [ 4654.824186][ T72] [ 4654.826038][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4654.826038][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.826038][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.826038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.826038][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4654.826038][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4654.826038][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4654.826038][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4654.826038][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4654.826038][ T72] addrconf_dad_begin+0x310/0x670 [ 4654.826038][ T72] addrconf_dad_work+0x10b/0xab0 [ 4654.826038][ T72] process_one_work+0x84d/0x18a0 [ 4654.826038][ T72] worker_thread+0x587/0xd30 [ 4654.826038][ T72] kthread+0x28a/0x350 [ 4654.826038][ T72] ret_from_fork+0x31/0x70 [ 4654.826038][ T72] ret_from_fork_asm+0x1a/0x30 [ 4654.826038][ T72] [ 4654.828217][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4654.828217][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.828217][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.828217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.828217][ T72] ip6_route_add+0x1c/0x140 [ 4654.828217][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4654.828217][ T72] inet6_addr_add+0x4f8/0xa40 [ 4654.828217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.828217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.828217][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.828217][ T72] netlink_unicast+0x449/0x710 [ 4654.828217][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.828217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.828217][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.828217][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.828217][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.828217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.828217][ T72] [ 4654.830467][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4654.830467][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.830467][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.830467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.830467][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4654.830467][ T72] ipv6_add_addr+0x411/0x2000 [ 4654.830467][ T72] inet6_addr_add+0x30e/0xa40 [ 4654.830467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.830467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.830467][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.830467][ T72] netlink_unicast+0x449/0x710 [ 4654.830467][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.830467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.830467][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.830467][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.830467][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.830467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.830467][ T72] [ 4654.832714][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4654.832714][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.832714][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.832714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.832714][ T72] ip6_route_add+0x1c/0x140 [ 4654.832714][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4654.832714][ T72] addrconf_add_dev+0xe2/0x170 [ 4654.832714][ T72] inet6_addr_add+0x12f/0xa40 [ 4654.832714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.832714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.832714][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.832714][ T72] netlink_unicast+0x449/0x710 [ 4654.832714][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.832714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.832714][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.832714][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.832714][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.832714][ T72] [ 4654.834925][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4654.834925][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4654.834925][ T72] ipv6_find_idev+0x102/0x170 [ 4654.834925][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.834925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.834925][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.834925][ T72] netlink_unicast+0x449/0x710 [ 4654.834925][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.834925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.834925][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.834925][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.834925][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.834925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.834925][ T72] [ 4654.836660][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4654.836660][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4654.836660][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4654.836660][ T72] ipv6_find_idev+0x102/0x170 [ 4654.836660][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.836660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.836660][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.836660][ T72] netlink_unicast+0x449/0x710 [ 4654.836660][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.836660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.836660][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.836660][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.836660][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.836660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.836660][ T72] [ 4654.838691][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4654.839002][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4654.839002][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4654.839002][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4654.839002][ T72] fib6_nh_init+0xa22/0x1580 [ 4654.839002][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.839002][ T72] ip6_route_add+0x1c/0x140 [ 4654.839002][ T72] inet6_rtm_newroute+0x104/0x110 [ 4654.839002][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.839002][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.839002][ T72] netlink_unicast+0x449/0x710 [ 4654.839002][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.839002][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.839002][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.839002][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.839002][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.839002][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.839002][ T72] [ 4654.841425][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4654.841425][ T72] dst_init+0x84/0x4a0 [ 4654.841425][ T72] dst_alloc+0x97/0x150 [ 4654.841425][ T72] ip6_dst_alloc+0x23/0x90 [ 4654.841425][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4654.841425][ T72] ip6_pol_route+0x56f/0x840 [ 4654.841425][ T72] fib6_rule_lookup+0x456/0x630 [ 4654.841425][ T72] ip6_route_input+0x59c/0xa50 [ 4654.841425][ T72] ipv6_rcv+0x397/0x810 [ 4654.841425][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4654.841425][ T72] process_backlog+0x101/0x620 [ 4654.841425][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4654.841425][ T72] net_rx_action+0x495/0xbe0 [ 4654.841425][ T72] __do_softirq+0x1b5/0x7f6 [ 4654.841425][ T72] [ 4654.843441][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4654.843441][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.843441][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.843441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.843441][ T72] ip6_route_add+0x1c/0x140 [ 4654.843441][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4654.843441][ T72] inet6_addr_add+0x4f8/0xa40 [ 4654.843441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.843441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.843441][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.843441][ T72] netlink_unicast+0x449/0x710 [ 4654.843441][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.843441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.843441][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.843441][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.843441][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.843441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.843441][ T72] [ 4654.845944][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4654.845944][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.845944][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.845944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.845944][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4654.845944][ T72] ipv6_add_addr+0x411/0x2000 [ 4654.845944][ T72] inet6_addr_add+0x30e/0xa40 [ 4654.845944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.845944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.845944][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.845944][ T72] netlink_unicast+0x449/0x710 [ 4654.845944][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.845944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.845944][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.845944][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.845944][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.845944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.845944][ T72] [ 4654.848398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4654.848398][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.848398][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.848398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.848398][ T72] ip6_route_add+0x1c/0x140 [ 4654.848398][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4654.848398][ T72] addrconf_add_dev+0xe2/0x170 [ 4654.848398][ T72] inet6_addr_add+0x12f/0xa40 [ 4654.848398][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.848398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.848398][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.848398][ T72] netlink_unicast+0x449/0x710 [ 4654.848398][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.848398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.848398][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.848398][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.848398][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.848398][ T72] [ 4654.850919][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4654.850919][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4654.850919][ T72] ipv6_find_idev+0x102/0x170 [ 4654.850919][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.850919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.850919][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.850919][ T72] netlink_unicast+0x449/0x710 [ 4654.850919][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.850919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.850919][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.850919][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.850919][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.850919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.850919][ T72] [ 4654.852829][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4654.852829][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4654.852829][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4654.852829][ T72] ipv6_find_idev+0x102/0x170 [ 4654.852829][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.852829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.852829][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.852829][ T72] netlink_unicast+0x449/0x710 [ 4654.852829][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.852829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.852829][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.852829][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.852829][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.852829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.852829][ T72] [ 4654.854928][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4654.855300][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4654.855300][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.855300][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.855300][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.855300][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4654.855300][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4654.855300][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4654.855300][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4654.855300][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4654.855300][ T72] addrconf_dad_begin+0x310/0x670 [ 4654.855300][ T72] addrconf_dad_work+0x10b/0xab0 [ 4654.855300][ T72] process_one_work+0x84d/0x18a0 [ 4654.855300][ T72] worker_thread+0x587/0xd30 [ 4654.855300][ T72] kthread+0x28a/0x350 [ 4654.855300][ T72] ret_from_fork+0x31/0x70 [ 4654.855300][ T72] ret_from_fork_asm+0x1a/0x30 [ 4654.855300][ T72] [ 4654.857605][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4654.857605][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.857605][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.857605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.857605][ T72] ip6_route_add+0x1c/0x140 [ 4654.857605][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4654.857605][ T72] inet6_addr_add+0x4f8/0xa40 [ 4654.857605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.857605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.857605][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.857605][ T72] netlink_unicast+0x449/0x710 [ 4654.857605][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.857605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.857605][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.857605][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.857605][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.857605][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.857605][ T72] [ 4654.860116][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4654.860116][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.860116][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.860116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.860116][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4654.860116][ T72] ipv6_add_addr+0x411/0x2000 [ 4654.860116][ T72] inet6_addr_add+0x30e/0xa40 [ 4654.860116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.860116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.860116][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.860116][ T72] netlink_unicast+0x449/0x710 [ 4654.860116][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.860116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.860116][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.860116][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.860116][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.860116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.860116][ T72] [ 4654.862693][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4654.862693][ T72] netdev_get_by_index+0x5e/0x80 [ 4654.862693][ T72] fib6_nh_init+0x3d8/0x1580 [ 4654.862693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4654.862693][ T72] ip6_route_add+0x1c/0x140 [ 4654.862693][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4654.862693][ T72] addrconf_add_dev+0xe2/0x170 [ 4654.862693][ T72] inet6_addr_add+0x12f/0xa40 [ 4654.862693][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.862693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.862693][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.862693][ T72] netlink_unicast+0x449/0x710 [ 4654.862693][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.862693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.862693][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.862693][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.862693][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.862693][ T72] [ 4654.865148][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4654.865148][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4654.865148][ T72] ipv6_find_idev+0x102/0x170 [ 4654.865148][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.865148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.865148][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.865148][ T72] netlink_unicast+0x449/0x710 [ 4654.865148][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.865148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.865148][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.865148][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.865148][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.865148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.865148][ T72] [ 4654.867083][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4654.867083][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4654.867083][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4654.867083][ T72] ipv6_find_idev+0x102/0x170 [ 4654.867083][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.867083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.867083][ T72] netlink_rcv_skb+0x130/0x360 [ 4654.867083][ T72] netlink_unicast+0x449/0x710 [ 4654.867083][ T72] netlink_sendmsg+0x723/0xbe0 [ 4654.867083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4654.867083][ T72] ___sys_sendmsg+0xee/0x170 [ 4654.867083][ T72] __sys_sendmsg+0xcd/0x170 [ 4654.867083][ T72] do_syscall_64+0xc6/0x1e0 [ 4654.867083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.867083][ T72] [ 4665.104914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4665.105404][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4665.105404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4665.105404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4665.105404][ T72] fib6_nh_init+0xa22/0x1580 [ 4665.105404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.105404][ T72] ip6_route_add+0x1c/0x140 [ 4665.105404][ T72] inet6_rtm_newroute+0x104/0x110 [ 4665.105404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.105404][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.105404][ T72] netlink_unicast+0x449/0x710 [ 4665.105404][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.105404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.105404][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.105404][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.105404][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.105404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.105404][ T72] [ 4665.108090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4665.108090][ T72] dst_init+0x84/0x4a0 [ 4665.108090][ T72] dst_alloc+0x97/0x150 [ 4665.108090][ T72] ip6_dst_alloc+0x23/0x90 [ 4665.108090][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4665.108090][ T72] ip6_pol_route+0x56f/0x840 [ 4665.108090][ T72] fib6_rule_lookup+0x456/0x630 [ 4665.108090][ T72] ip6_route_input+0x59c/0xa50 [ 4665.108090][ T72] ipv6_rcv+0x397/0x810 [ 4665.108090][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4665.108090][ T72] process_backlog+0x101/0x620 [ 4665.108090][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4665.108090][ T72] net_rx_action+0x495/0xbe0 [ 4665.108090][ T72] __do_softirq+0x1b5/0x7f6 [ 4665.108090][ T72] [ 4665.109952][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4665.109952][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.109952][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.109952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.109952][ T72] ip6_route_add+0x1c/0x140 [ 4665.109952][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4665.109952][ T72] inet6_addr_add+0x4f8/0xa40 [ 4665.109952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.109952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.109952][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.109952][ T72] netlink_unicast+0x449/0x710 [ 4665.109952][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.109952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.109952][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.109952][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.109952][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.109952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.109952][ T72] [ 4665.112208][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4665.112208][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.112208][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.112208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.112208][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4665.112208][ T72] ipv6_add_addr+0x411/0x2000 [ 4665.112208][ T72] inet6_addr_add+0x30e/0xa40 [ 4665.112208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.112208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.112208][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.112208][ T72] netlink_unicast+0x449/0x710 [ 4665.112208][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.112208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.112208][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.112208][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.112208][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.112208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.112208][ T72] [ 4665.114590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4665.114590][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.114590][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.114590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.114590][ T72] ip6_route_add+0x1c/0x140 [ 4665.114590][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4665.114590][ T72] addrconf_add_dev+0xe2/0x170 [ 4665.114590][ T72] inet6_addr_add+0x12f/0xa40 [ 4665.114590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.114590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.114590][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.114590][ T72] netlink_unicast+0x449/0x710 [ 4665.114590][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.114590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.114590][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.114590][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.114590][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.114590][ T72] [ 4665.116829][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4665.116829][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4665.116829][ T72] ipv6_find_idev+0x102/0x170 [ 4665.116829][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.116829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.116829][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.116829][ T72] netlink_unicast+0x449/0x710 [ 4665.116829][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.116829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.116829][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.116829][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.116829][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.116829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.116829][ T72] [ 4665.118566][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4665.118566][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4665.118566][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4665.118566][ T72] ipv6_find_idev+0x102/0x170 [ 4665.118566][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.118566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.118566][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.118566][ T72] netlink_unicast+0x449/0x710 [ 4665.118566][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.118566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.118566][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.118566][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.118566][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.118566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.118566][ T72] [ 4665.120479][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4665.120787][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4665.120787][ T72] dst_init+0x84/0x4a0 [ 4665.120787][ T72] dst_alloc+0x97/0x150 [ 4665.120787][ T72] ip6_dst_alloc+0x23/0x90 [ 4665.120787][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4665.120787][ T72] ip6_pol_route+0x56f/0x840 [ 4665.120787][ T72] fib6_rule_lookup+0x456/0x630 [ 4665.120787][ T72] ip6_route_input+0x59c/0xa50 [ 4665.120787][ T72] ipv6_rcv+0x397/0x810 [ 4665.120787][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4665.120787][ T72] process_backlog+0x101/0x620 [ 4665.120787][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4665.120787][ T72] net_rx_action+0x495/0xbe0 [ 4665.120787][ T72] __do_softirq+0x1b5/0x7f6 [ 4665.120787][ T72] [ 4665.122647][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4665.122647][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.122647][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.122647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.122647][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4665.122647][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4665.122647][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4665.122647][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4665.122647][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4665.122647][ T72] addrconf_dad_begin+0x310/0x670 [ 4665.122647][ T72] addrconf_dad_work+0x10b/0xab0 [ 4665.122647][ T72] process_one_work+0x84d/0x18a0 [ 4665.122647][ T72] worker_thread+0x587/0xd30 [ 4665.122647][ T72] kthread+0x28a/0x350 [ 4665.122647][ T72] ret_from_fork+0x31/0x70 [ 4665.122647][ T72] ret_from_fork_asm+0x1a/0x30 [ 4665.122647][ T72] [ 4665.124830][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4665.124830][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.124830][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.124830][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.124830][ T72] ip6_route_add+0x1c/0x140 [ 4665.124830][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4665.124830][ T72] inet6_addr_add+0x4f8/0xa40 [ 4665.124830][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.124830][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.124830][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.124830][ T72] netlink_unicast+0x449/0x710 [ 4665.124830][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.124830][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.124830][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.124830][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.124830][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.124830][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.124830][ T72] [ 4665.127487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4665.127487][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.127487][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.127487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.127487][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4665.127487][ T72] ipv6_add_addr+0x411/0x2000 [ 4665.127487][ T72] inet6_addr_add+0x30e/0xa40 [ 4665.127487][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.127487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.127487][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.127487][ T72] netlink_unicast+0x449/0x710 [ 4665.127487][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.127487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.127487][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.127487][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.127487][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.127487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.127487][ T72] [ 4665.129759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4665.129759][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.129759][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.129759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.129759][ T72] ip6_route_add+0x1c/0x140 [ 4665.129759][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4665.129759][ T72] addrconf_add_dev+0xe2/0x170 [ 4665.129759][ T72] inet6_addr_add+0x12f/0xa40 [ 4665.129759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.129759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.129759][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.129759][ T72] netlink_unicast+0x449/0x710 [ 4665.129759][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.129759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.129759][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.129759][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.129759][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.129759][ T72] [ 4665.131967][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4665.131967][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4665.131967][ T72] ipv6_find_idev+0x102/0x170 [ 4665.131967][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.131967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.131967][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.131967][ T72] netlink_unicast+0x449/0x710 [ 4665.131967][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.131967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.131967][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.131967][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.131967][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.131967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.131967][ T72] [ 4665.133696][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4665.133696][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4665.133696][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4665.133696][ T72] ipv6_find_idev+0x102/0x170 [ 4665.133696][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.133696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.133696][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.133696][ T72] netlink_unicast+0x449/0x710 [ 4665.133696][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.133696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.133696][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.133696][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.133696][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.133696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.133696][ T72] [ 4665.135680][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4665.136003][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4665.136003][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4665.136003][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4665.136003][ T72] fib6_nh_init+0xa22/0x1580 [ 4665.136003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.136003][ T72] ip6_route_add+0x1c/0x140 [ 4665.136003][ T72] inet6_rtm_newroute+0x104/0x110 [ 4665.136003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.136003][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.136003][ T72] netlink_unicast+0x449/0x710 [ 4665.136003][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.136003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.136003][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.136003][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.136003][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.136003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.136003][ T72] [ 4665.138357][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4665.138357][ T72] dst_init+0x84/0x4a0 [ 4665.138357][ T72] dst_alloc+0x97/0x150 [ 4665.138357][ T72] ip6_dst_alloc+0x23/0x90 [ 4665.138357][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4665.138357][ T72] ip6_pol_route+0x56f/0x840 [ 4665.138357][ T72] fib6_rule_lookup+0x456/0x630 [ 4665.138357][ T72] ip6_route_input+0x59c/0xa50 [ 4665.138357][ T72] ipv6_rcv+0x397/0x810 [ 4665.138357][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4665.138357][ T72] process_backlog+0x101/0x620 [ 4665.138357][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4665.138357][ T72] net_rx_action+0x495/0xbe0 [ 4665.138357][ T72] __do_softirq+0x1b5/0x7f6 [ 4665.138357][ T72] [ 4665.140275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4665.140275][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.140275][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.140275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.140275][ T72] ip6_route_add+0x1c/0x140 [ 4665.140275][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4665.140275][ T72] inet6_addr_add+0x4f8/0xa40 [ 4665.140275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.140275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.140275][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.140275][ T72] netlink_unicast+0x449/0x710 [ 4665.140275][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.140275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.140275][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.140275][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.140275][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.140275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.140275][ T72] [ 4665.142680][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4665.142680][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.142680][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.142680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.142680][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4665.142680][ T72] ipv6_add_addr+0x411/0x2000 [ 4665.142680][ T72] inet6_addr_add+0x30e/0xa40 [ 4665.142680][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.142680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.142680][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.142680][ T72] netlink_unicast+0x449/0x710 [ 4665.142680][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.142680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.142680][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.142680][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.142680][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.142680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.142680][ T72] [ 4665.145075][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4665.145075][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.145075][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.145075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.145075][ T72] ip6_route_add+0x1c/0x140 [ 4665.145075][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4665.145075][ T72] addrconf_add_dev+0xe2/0x170 [ 4665.145075][ T72] inet6_addr_add+0x12f/0xa40 [ 4665.145075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.145075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.145075][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.145075][ T72] netlink_unicast+0x449/0x710 [ 4665.145075][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.145075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.145075][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.145075][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.145075][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.145075][ T72] [ 4665.147519][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4665.147519][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4665.147519][ T72] ipv6_find_idev+0x102/0x170 [ 4665.147519][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.147519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.147519][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.147519][ T72] netlink_unicast+0x449/0x710 [ 4665.147519][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.147519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.147519][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.147519][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.147519][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.147519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.147519][ T72] [ 4665.149326][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4665.149326][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4665.149326][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4665.149326][ T72] ipv6_find_idev+0x102/0x170 [ 4665.149326][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.149326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.149326][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.149326][ T72] netlink_unicast+0x449/0x710 [ 4665.149326][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.149326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.149326][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.149326][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.149326][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.149326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.149326][ T72] [ 4665.151397][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4665.151702][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4665.151702][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.151702][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.151702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.151702][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4665.151702][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4665.151702][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4665.151702][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4665.151702][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4665.151702][ T72] addrconf_dad_begin+0x310/0x670 [ 4665.151702][ T72] addrconf_dad_work+0x10b/0xab0 [ 4665.151702][ T72] process_one_work+0x84d/0x18a0 [ 4665.151702][ T72] worker_thread+0x587/0xd30 [ 4665.151702][ T72] kthread+0x28a/0x350 [ 4665.151702][ T72] ret_from_fork+0x31/0x70 [ 4665.151702][ T72] ret_from_fork_asm+0x1a/0x30 [ 4665.151702][ T72] [ 4665.154014][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4665.154014][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.154014][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.154014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.154014][ T72] ip6_route_add+0x1c/0x140 [ 4665.154014][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4665.154014][ T72] inet6_addr_add+0x4f8/0xa40 [ 4665.154014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.154014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.154014][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.154014][ T72] netlink_unicast+0x449/0x710 [ 4665.154014][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.154014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.154014][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.154014][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.154014][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.154014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.154014][ T72] [ 4665.156421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4665.156421][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.156421][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.156421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.156421][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4665.156421][ T72] ipv6_add_addr+0x411/0x2000 [ 4665.156421][ T72] inet6_addr_add+0x30e/0xa40 [ 4665.156421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.156421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.156421][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.156421][ T72] netlink_unicast+0x449/0x710 [ 4665.156421][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.156421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.156421][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.156421][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.156421][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.156421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.156421][ T72] [ 4665.158880][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4665.158880][ T72] netdev_get_by_index+0x5e/0x80 [ 4665.158880][ T72] fib6_nh_init+0x3d8/0x1580 [ 4665.158880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4665.158880][ T72] ip6_route_add+0x1c/0x140 [ 4665.158880][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4665.158880][ T72] addrconf_add_dev+0xe2/0x170 [ 4665.158880][ T72] inet6_addr_add+0x12f/0xa40 [ 4665.158880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4665.158880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.158880][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.158880][ T72] netlink_unicast+0x449/0x710 [ 4665.158880][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.158880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.158880][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.158880][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.158880][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.158880][ T72] [ 4665.161252][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4665.161252][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4665.161252][ T72] ipv6_find_idev+0x102/0x170 [ 4665.161252][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.161252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.161252][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.161252][ T72] netlink_unicast+0x449/0x710 [ 4665.161252][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.161252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.161252][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.161252][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.161252][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.161252][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.161252][ T72] [ 4665.163060][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4665.163060][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4665.163060][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4665.163060][ T72] ipv6_find_idev+0x102/0x170 [ 4665.163060][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4665.163060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4665.163060][ T72] netlink_rcv_skb+0x130/0x360 [ 4665.163060][ T72] netlink_unicast+0x449/0x710 [ 4665.163060][ T72] netlink_sendmsg+0x723/0xbe0 [ 4665.163060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4665.163060][ T72] ___sys_sendmsg+0xee/0x170 [ 4665.163060][ T72] __sys_sendmsg+0xcd/0x170 [ 4665.163060][ T72] do_syscall_64+0xc6/0x1e0 [ 4665.163060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4665.163060][ T72] [ 4675.400949][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4675.401399][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4675.401399][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4675.401399][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4675.401399][ T72] fib6_nh_init+0xa22/0x1580 [ 4675.401399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.401399][ T72] ip6_route_add+0x1c/0x140 [ 4675.401399][ T72] inet6_rtm_newroute+0x104/0x110 [ 4675.401399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.401399][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.401399][ T72] netlink_unicast+0x449/0x710 [ 4675.401399][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.401399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.401399][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.401399][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.401399][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.401399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.401399][ T72] [ 4675.403427][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4675.403427][ T72] dst_init+0x84/0x4a0 [ 4675.403427][ T72] dst_alloc+0x97/0x150 [ 4675.403427][ T72] ip6_dst_alloc+0x23/0x90 [ 4675.403427][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4675.403427][ T72] ip6_pol_route+0x56f/0x840 [ 4675.403427][ T72] fib6_rule_lookup+0x456/0x630 [ 4675.403427][ T72] ip6_route_input+0x59c/0xa50 [ 4675.403427][ T72] ipv6_rcv+0x397/0x810 [ 4675.403427][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4675.403427][ T72] process_backlog+0x101/0x620 [ 4675.403427][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4675.403427][ T72] net_rx_action+0x495/0xbe0 [ 4675.403427][ T72] __do_softirq+0x1b5/0x7f6 [ 4675.403427][ T72] [ 4675.405080][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4675.405080][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.405080][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.405080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.405080][ T72] ip6_route_add+0x1c/0x140 [ 4675.405080][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4675.405080][ T72] inet6_addr_add+0x4f8/0xa40 [ 4675.405080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.405080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.405080][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.405080][ T72] netlink_unicast+0x449/0x710 [ 4675.405080][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.405080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.405080][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.405080][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.405080][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.405080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.405080][ T72] [ 4675.407120][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4675.407120][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.407120][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.407120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.407120][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4675.407120][ T72] ipv6_add_addr+0x411/0x2000 [ 4675.407120][ T72] inet6_addr_add+0x30e/0xa40 [ 4675.407120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.407120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.407120][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.407120][ T72] netlink_unicast+0x449/0x710 [ 4675.407120][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.407120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.407120][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.407120][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.407120][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.407120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.407120][ T72] [ 4675.409120][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4675.409120][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.409120][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.409120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.409120][ T72] ip6_route_add+0x1c/0x140 [ 4675.409120][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4675.409120][ T72] addrconf_add_dev+0xe2/0x170 [ 4675.409120][ T72] inet6_addr_add+0x12f/0xa40 [ 4675.409120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.409120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.409120][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.409120][ T72] netlink_unicast+0x449/0x710 [ 4675.409120][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.409120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.409120][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.409120][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.409120][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.409120][ T72] [ 4675.411115][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4675.411115][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4675.411115][ T72] ipv6_find_idev+0x102/0x170 [ 4675.411115][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.411115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.411115][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.411115][ T72] netlink_unicast+0x449/0x710 [ 4675.411115][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.411115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.411115][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.411115][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.411115][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.411115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.411115][ T72] [ 4675.412679][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4675.412679][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4675.412679][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4675.412679][ T72] ipv6_find_idev+0x102/0x170 [ 4675.412679][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.412679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.412679][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.412679][ T72] netlink_unicast+0x449/0x710 [ 4675.412679][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.412679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.412679][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.412679][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.412679][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.412679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.412679][ T72] [ 4675.414389][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4675.414662][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4675.414662][ T72] dst_init+0x84/0x4a0 [ 4675.414662][ T72] dst_alloc+0x97/0x150 [ 4675.414662][ T72] ip6_dst_alloc+0x23/0x90 [ 4675.414662][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4675.414662][ T72] ip6_pol_route+0x56f/0x840 [ 4675.414662][ T72] fib6_rule_lookup+0x456/0x630 [ 4675.414662][ T72] ip6_route_input+0x59c/0xa50 [ 4675.414662][ T72] ipv6_rcv+0x397/0x810 [ 4675.414662][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4675.414662][ T72] process_backlog+0x101/0x620 [ 4675.414662][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4675.414662][ T72] net_rx_action+0x495/0xbe0 [ 4675.414662][ T72] __do_softirq+0x1b5/0x7f6 [ 4675.414662][ T72] [ 4675.416341][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4675.416341][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.416341][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.416341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.416341][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4675.416341][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4675.416341][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4675.416341][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4675.416341][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4675.416341][ T72] addrconf_dad_begin+0x310/0x670 [ 4675.416341][ T72] addrconf_dad_work+0x10b/0xab0 [ 4675.416341][ T72] process_one_work+0x84d/0x18a0 [ 4675.416341][ T72] worker_thread+0x587/0xd30 [ 4675.416341][ T72] kthread+0x28a/0x350 [ 4675.416341][ T72] ret_from_fork+0x31/0x70 [ 4675.416341][ T72] ret_from_fork_asm+0x1a/0x30 [ 4675.416341][ T72] [ 4675.418272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4675.418272][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.418272][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.418272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.418272][ T72] ip6_route_add+0x1c/0x140 [ 4675.418272][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4675.418272][ T72] inet6_addr_add+0x4f8/0xa40 [ 4675.418272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.418272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.418272][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.418272][ T72] netlink_unicast+0x449/0x710 [ 4675.418272][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.418272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.418272][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.418272][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.418272][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.418272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.418272][ T72] [ 4675.420275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4675.420275][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.420275][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.420275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.420275][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4675.420275][ T72] ipv6_add_addr+0x411/0x2000 [ 4675.420275][ T72] inet6_addr_add+0x30e/0xa40 [ 4675.420275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.420275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.420275][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.420275][ T72] netlink_unicast+0x449/0x710 [ 4675.420275][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.420275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.420275][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.420275][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.420275][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.420275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.420275][ T72] [ 4675.422279][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4675.422279][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.422279][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.422279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.422279][ T72] ip6_route_add+0x1c/0x140 [ 4675.422279][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4675.422279][ T72] addrconf_add_dev+0xe2/0x170 [ 4675.422279][ T72] inet6_addr_add+0x12f/0xa40 [ 4675.422279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.422279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.422279][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.422279][ T72] netlink_unicast+0x449/0x710 [ 4675.422279][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.422279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.422279][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.422279][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.422279][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.422279][ T72] [ 4675.424259][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4675.424259][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4675.424259][ T72] ipv6_find_idev+0x102/0x170 [ 4675.424259][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.424259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.424259][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.424259][ T72] netlink_unicast+0x449/0x710 [ 4675.424259][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.424259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.424259][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.424259][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.424259][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.424259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.424259][ T72] [ 4675.425802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4675.425802][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4675.425802][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4675.425802][ T72] ipv6_find_idev+0x102/0x170 [ 4675.425802][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.425802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.425802][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.425802][ T72] netlink_unicast+0x449/0x710 [ 4675.425802][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.425802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.425802][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.425802][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.425802][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.425802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.425802][ T72] [ 4675.427625][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4675.427961][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4675.427961][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4675.427961][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4675.427961][ T72] fib6_nh_init+0xa22/0x1580 [ 4675.427961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.427961][ T72] ip6_route_add+0x1c/0x140 [ 4675.427961][ T72] inet6_rtm_newroute+0x104/0x110 [ 4675.427961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.427961][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.427961][ T72] netlink_unicast+0x449/0x710 [ 4675.427961][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.427961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.427961][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.427961][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.427961][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.427961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.427961][ T72] [ 4675.430163][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4675.430163][ T72] dst_init+0x84/0x4a0 [ 4675.430163][ T72] dst_alloc+0x97/0x150 [ 4675.430163][ T72] ip6_dst_alloc+0x23/0x90 [ 4675.430163][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4675.430163][ T72] ip6_pol_route+0x56f/0x840 [ 4675.430163][ T72] fib6_rule_lookup+0x456/0x630 [ 4675.430163][ T72] ip6_route_input+0x59c/0xa50 [ 4675.430163][ T72] ipv6_rcv+0x397/0x810 [ 4675.430163][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4675.430163][ T72] process_backlog+0x101/0x620 [ 4675.430163][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4675.430163][ T72] net_rx_action+0x495/0xbe0 [ 4675.430163][ T72] __do_softirq+0x1b5/0x7f6 [ 4675.430163][ T72] [ 4675.431984][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4675.431984][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.431984][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.431984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.431984][ T72] ip6_route_add+0x1c/0x140 [ 4675.431984][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4675.431984][ T72] inet6_addr_add+0x4f8/0xa40 [ 4675.431984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.431984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.431984][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.431984][ T72] netlink_unicast+0x449/0x710 [ 4675.431984][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.431984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.431984][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.431984][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.431984][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.431984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.431984][ T72] [ 4675.434291][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4675.434291][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.434291][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.434291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.434291][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4675.434291][ T72] ipv6_add_addr+0x411/0x2000 [ 4675.434291][ T72] inet6_addr_add+0x30e/0xa40 [ 4675.434291][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.434291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.434291][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.434291][ T72] netlink_unicast+0x449/0x710 [ 4675.434291][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.434291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.434291][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.434291][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.434291][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.434291][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.434291][ T72] [ 4675.436548][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4675.436548][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.436548][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.436548][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.436548][ T72] ip6_route_add+0x1c/0x140 [ 4675.436548][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4675.436548][ T72] addrconf_add_dev+0xe2/0x170 [ 4675.436548][ T72] inet6_addr_add+0x12f/0xa40 [ 4675.436548][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.436548][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.436548][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.436548][ T72] netlink_unicast+0x449/0x710 [ 4675.436548][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.436548][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.436548][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.436548][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.436548][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.436548][ T72] [ 4675.438772][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4675.438772][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4675.438772][ T72] ipv6_find_idev+0x102/0x170 [ 4675.438772][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.438772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.438772][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.438772][ T72] netlink_unicast+0x449/0x710 [ 4675.438772][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.438772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.438772][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.438772][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.438772][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.438772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.438772][ T72] [ 4675.441025][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4675.441025][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4675.441025][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4675.441025][ T72] ipv6_find_idev+0x102/0x170 [ 4675.441025][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.441025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.441025][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.441025][ T72] netlink_unicast+0x449/0x710 [ 4675.441025][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.441025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.441025][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.441025][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.441025][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.441025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.441025][ T72] [ 4675.442984][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4675.443259][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4675.443259][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.443259][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.443259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.443259][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4675.443259][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4675.443259][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4675.443259][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4675.443259][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4675.443259][ T72] addrconf_dad_begin+0x310/0x670 [ 4675.443259][ T72] addrconf_dad_work+0x10b/0xab0 [ 4675.443259][ T72] process_one_work+0x84d/0x18a0 [ 4675.443259][ T72] worker_thread+0x587/0xd30 [ 4675.443259][ T72] kthread+0x28a/0x350 [ 4675.443259][ T72] ret_from_fork+0x31/0x70 [ 4675.443259][ T72] ret_from_fork_asm+0x1a/0x30 [ 4675.443259][ T72] [ 4675.445795][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4675.445795][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.445795][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.445795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.445795][ T72] ip6_route_add+0x1c/0x140 [ 4675.445795][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4675.445795][ T72] inet6_addr_add+0x4f8/0xa40 [ 4675.445795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.445795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.445795][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.445795][ T72] netlink_unicast+0x449/0x710 [ 4675.445795][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.445795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.445795][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.445795][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.445795][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.445795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.445795][ T72] [ 4675.448050][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4675.448050][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.448050][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.448050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.448050][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4675.448050][ T72] ipv6_add_addr+0x411/0x2000 [ 4675.448050][ T72] inet6_addr_add+0x30e/0xa40 [ 4675.448050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.448050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.448050][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.448050][ T72] netlink_unicast+0x449/0x710 [ 4675.448050][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.448050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.448050][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.448050][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.448050][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.448050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.448050][ T72] [ 4675.450288][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4675.450288][ T72] netdev_get_by_index+0x5e/0x80 [ 4675.450288][ T72] fib6_nh_init+0x3d8/0x1580 [ 4675.450288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4675.450288][ T72] ip6_route_add+0x1c/0x140 [ 4675.450288][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4675.450288][ T72] addrconf_add_dev+0xe2/0x170 [ 4675.450288][ T72] inet6_addr_add+0x12f/0xa40 [ 4675.450288][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4675.450288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.450288][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.450288][ T72] netlink_unicast+0x449/0x710 [ 4675.450288][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.450288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.450288][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.450288][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.450288][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.450288][ T72] [ 4675.452437][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4675.452437][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4675.452437][ T72] ipv6_find_idev+0x102/0x170 [ 4675.452437][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.452437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.452437][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.452437][ T72] netlink_unicast+0x449/0x710 [ 4675.452437][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.452437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.452437][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.452437][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.452437][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.452437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.452437][ T72] [ 4675.454236][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4675.454236][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4675.454236][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4675.454236][ T72] ipv6_find_idev+0x102/0x170 [ 4675.454236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4675.454236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4675.454236][ T72] netlink_rcv_skb+0x130/0x360 [ 4675.454236][ T72] netlink_unicast+0x449/0x710 [ 4675.454236][ T72] netlink_sendmsg+0x723/0xbe0 [ 4675.454236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4675.454236][ T72] ___sys_sendmsg+0xee/0x170 [ 4675.454236][ T72] __sys_sendmsg+0xcd/0x170 [ 4675.454236][ T72] do_syscall_64+0xc6/0x1e0 [ 4675.454236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4675.454236][ T72] [ 4685.696892][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4685.697338][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4685.697338][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4685.697338][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4685.697338][ T72] fib6_nh_init+0xa22/0x1580 [ 4685.697338][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.697338][ T72] ip6_route_add+0x1c/0x140 [ 4685.697338][ T72] inet6_rtm_newroute+0x104/0x110 [ 4685.697338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.697338][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.697338][ T72] netlink_unicast+0x449/0x710 [ 4685.697338][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.697338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.697338][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.697338][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.697338][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.697338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.697338][ T72] [ 4685.699261][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4685.699261][ T72] dst_init+0x84/0x4a0 [ 4685.699261][ T72] dst_alloc+0x97/0x150 [ 4685.699261][ T72] ip6_dst_alloc+0x23/0x90 [ 4685.699261][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4685.699261][ T72] ip6_pol_route+0x56f/0x840 [ 4685.699261][ T72] fib6_rule_lookup+0x456/0x630 [ 4685.699261][ T72] ip6_route_input+0x59c/0xa50 [ 4685.699261][ T72] ipv6_rcv+0x397/0x810 [ 4685.699261][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4685.699261][ T72] process_backlog+0x101/0x620 [ 4685.699261][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4685.699261][ T72] net_rx_action+0x495/0xbe0 [ 4685.699261][ T72] __do_softirq+0x1b5/0x7f6 [ 4685.699261][ T72] [ 4685.700914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4685.700914][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.700914][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.700914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.700914][ T72] ip6_route_add+0x1c/0x140 [ 4685.700914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4685.700914][ T72] inet6_addr_add+0x4f8/0xa40 [ 4685.700914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.700914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.700914][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.700914][ T72] netlink_unicast+0x449/0x710 [ 4685.700914][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.700914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.700914][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.700914][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.700914][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.700914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.700914][ T72] [ 4685.702940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4685.702940][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.702940][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.702940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.702940][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4685.702940][ T72] ipv6_add_addr+0x411/0x2000 [ 4685.702940][ T72] inet6_addr_add+0x30e/0xa40 [ 4685.702940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.702940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.702940][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.702940][ T72] netlink_unicast+0x449/0x710 [ 4685.702940][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.702940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.702940][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.702940][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.702940][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.702940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.702940][ T72] [ 4685.704960][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4685.704960][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.704960][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.704960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.704960][ T72] ip6_route_add+0x1c/0x140 [ 4685.704960][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4685.704960][ T72] addrconf_add_dev+0xe2/0x170 [ 4685.704960][ T72] inet6_addr_add+0x12f/0xa40 [ 4685.704960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.704960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.704960][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.704960][ T72] netlink_unicast+0x449/0x710 [ 4685.704960][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.704960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.704960][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.704960][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.704960][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.704960][ T72] [ 4685.706947][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4685.706947][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4685.706947][ T72] ipv6_find_idev+0x102/0x170 [ 4685.706947][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.706947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.706947][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.706947][ T72] netlink_unicast+0x449/0x710 [ 4685.706947][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.706947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.706947][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.706947][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.706947][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.706947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.706947][ T72] [ 4685.708518][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4685.708518][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4685.708518][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4685.708518][ T72] ipv6_find_idev+0x102/0x170 [ 4685.708518][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.708518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.708518][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.708518][ T72] netlink_unicast+0x449/0x710 [ 4685.708518][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.708518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.708518][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.708518][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.708518][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.708518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.708518][ T72] [ 4685.710238][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4685.710513][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4685.710513][ T72] dst_init+0x84/0x4a0 [ 4685.710513][ T72] dst_alloc+0x97/0x150 [ 4685.710513][ T72] ip6_dst_alloc+0x23/0x90 [ 4685.710513][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4685.710513][ T72] ip6_pol_route+0x56f/0x840 [ 4685.710513][ T72] fib6_rule_lookup+0x456/0x630 [ 4685.710513][ T72] ip6_route_input+0x59c/0xa50 [ 4685.710513][ T72] ipv6_rcv+0x397/0x810 [ 4685.710513][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4685.710513][ T72] process_backlog+0x101/0x620 [ 4685.710513][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4685.710513][ T72] net_rx_action+0x495/0xbe0 [ 4685.710513][ T72] __do_softirq+0x1b5/0x7f6 [ 4685.710513][ T72] [ 4685.712172][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4685.712172][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.712172][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.712172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.712172][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4685.712172][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4685.712172][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4685.712172][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4685.712172][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4685.712172][ T72] addrconf_dad_begin+0x310/0x670 [ 4685.712172][ T72] addrconf_dad_work+0x10b/0xab0 [ 4685.712172][ T72] process_one_work+0x84d/0x18a0 [ 4685.712172][ T72] worker_thread+0x587/0xd30 [ 4685.712172][ T72] kthread+0x28a/0x350 [ 4685.712172][ T72] ret_from_fork+0x31/0x70 [ 4685.712172][ T72] ret_from_fork_asm+0x1a/0x30 [ 4685.712172][ T72] [ 4685.714208][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4685.714208][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.714208][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.714208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.714208][ T72] ip6_route_add+0x1c/0x140 [ 4685.714208][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4685.714208][ T72] inet6_addr_add+0x4f8/0xa40 [ 4685.714208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.714208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.714208][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.714208][ T72] netlink_unicast+0x449/0x710 [ 4685.714208][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.714208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.714208][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.714208][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.714208][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.714208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.714208][ T72] [ 4685.716627][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4685.716627][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.716627][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.716627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.716627][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4685.716627][ T72] ipv6_add_addr+0x411/0x2000 [ 4685.716627][ T72] inet6_addr_add+0x30e/0xa40 [ 4685.716627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.716627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.716627][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.716627][ T72] netlink_unicast+0x449/0x710 [ 4685.716627][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.716627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.716627][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.716627][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.716627][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.716627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.716627][ T72] [ 4685.719006][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4685.719006][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.719006][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.719006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.719006][ T72] ip6_route_add+0x1c/0x140 [ 4685.719006][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4685.719006][ T72] addrconf_add_dev+0xe2/0x170 [ 4685.719006][ T72] inet6_addr_add+0x12f/0xa40 [ 4685.719006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.719006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.719006][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.719006][ T72] netlink_unicast+0x449/0x710 [ 4685.719006][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.719006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.719006][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.719006][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.719006][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.719006][ T72] [ 4685.720979][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4685.720979][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4685.720979][ T72] ipv6_find_idev+0x102/0x170 [ 4685.720979][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.720979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.720979][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.720979][ T72] netlink_unicast+0x449/0x710 [ 4685.720979][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.720979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.720979][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.720979][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.720979][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.720979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.720979][ T72] [ 4685.722531][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4685.722531][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4685.722531][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4685.722531][ T72] ipv6_find_idev+0x102/0x170 [ 4685.722531][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.722531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.722531][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.722531][ T72] netlink_unicast+0x449/0x710 [ 4685.722531][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.722531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.722531][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.722531][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.722531][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.722531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.722531][ T72] [ 4685.724245][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4685.724578][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4685.724578][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4685.724578][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4685.724578][ T72] fib6_nh_init+0xa22/0x1580 [ 4685.724578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.724578][ T72] ip6_route_add+0x1c/0x140 [ 4685.724578][ T72] inet6_rtm_newroute+0x104/0x110 [ 4685.724578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.724578][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.724578][ T72] netlink_unicast+0x449/0x710 [ 4685.724578][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.724578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.724578][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.724578][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.724578][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.724578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.724578][ T72] [ 4685.726728][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4685.726728][ T72] dst_init+0x84/0x4a0 [ 4685.726728][ T72] dst_alloc+0x97/0x150 [ 4685.726728][ T72] ip6_dst_alloc+0x23/0x90 [ 4685.726728][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4685.726728][ T72] ip6_pol_route+0x56f/0x840 [ 4685.726728][ T72] fib6_rule_lookup+0x456/0x630 [ 4685.726728][ T72] ip6_route_input+0x59c/0xa50 [ 4685.726728][ T72] ipv6_rcv+0x397/0x810 [ 4685.726728][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4685.726728][ T72] process_backlog+0x101/0x620 [ 4685.726728][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4685.726728][ T72] net_rx_action+0x495/0xbe0 [ 4685.726728][ T72] __do_softirq+0x1b5/0x7f6 [ 4685.726728][ T72] [ 4685.728559][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4685.728559][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.728559][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.728559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.728559][ T72] ip6_route_add+0x1c/0x140 [ 4685.728559][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4685.728559][ T72] inet6_addr_add+0x4f8/0xa40 [ 4685.728559][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.728559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.728559][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.728559][ T72] netlink_unicast+0x449/0x710 [ 4685.728559][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.728559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.728559][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.728559][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.728559][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.728559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.728559][ T72] [ 4685.730809][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4685.730809][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.730809][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.730809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.730809][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4685.730809][ T72] ipv6_add_addr+0x411/0x2000 [ 4685.730809][ T72] inet6_addr_add+0x30e/0xa40 [ 4685.730809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.730809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.730809][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.730809][ T72] netlink_unicast+0x449/0x710 [ 4685.730809][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.730809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.730809][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.730809][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.730809][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.730809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.730809][ T72] [ 4685.733018][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4685.733018][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.733018][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.733018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.733018][ T72] ip6_route_add+0x1c/0x140 [ 4685.733018][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4685.733018][ T72] addrconf_add_dev+0xe2/0x170 [ 4685.733018][ T72] inet6_addr_add+0x12f/0xa40 [ 4685.733018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.733018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.733018][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.733018][ T72] netlink_unicast+0x449/0x710 [ 4685.733018][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.733018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.733018][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.733018][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.733018][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.733018][ T72] [ 4685.735239][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4685.735239][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4685.735239][ T72] ipv6_find_idev+0x102/0x170 [ 4685.735239][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.735239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.735239][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.735239][ T72] netlink_unicast+0x449/0x710 [ 4685.735239][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.735239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.735239][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.735239][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.735239][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.735239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.735239][ T72] [ 4685.737037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4685.737037][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4685.737037][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4685.737037][ T72] ipv6_find_idev+0x102/0x170 [ 4685.737037][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.737037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.737037][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.737037][ T72] netlink_unicast+0x449/0x710 [ 4685.737037][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.737037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.737037][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.737037][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.737037][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.737037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.737037][ T72] [ 4685.738922][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4685.739205][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4685.739205][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.739205][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.739205][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.739205][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4685.739205][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4685.739205][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4685.739205][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4685.739205][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4685.739205][ T72] addrconf_dad_begin+0x310/0x670 [ 4685.739205][ T72] addrconf_dad_work+0x10b/0xab0 [ 4685.739205][ T72] process_one_work+0x84d/0x18a0 [ 4685.739205][ T72] worker_thread+0x587/0xd30 [ 4685.739205][ T72] kthread+0x28a/0x350 [ 4685.739205][ T72] ret_from_fork+0x31/0x70 [ 4685.739205][ T72] ret_from_fork_asm+0x1a/0x30 [ 4685.739205][ T72] [ 4685.741371][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4685.741371][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.741371][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.741371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.741371][ T72] ip6_route_add+0x1c/0x140 [ 4685.741371][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4685.741371][ T72] inet6_addr_add+0x4f8/0xa40 [ 4685.741371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.741371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.741371][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.741371][ T72] netlink_unicast+0x449/0x710 [ 4685.741371][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.741371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.741371][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.741371][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.741371][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.741371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.741371][ T72] [ 4685.743623][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4685.743623][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.743623][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.743623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.743623][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4685.743623][ T72] ipv6_add_addr+0x411/0x2000 [ 4685.743623][ T72] inet6_addr_add+0x30e/0xa40 [ 4685.743623][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.743623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.743623][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.743623][ T72] netlink_unicast+0x449/0x710 [ 4685.743623][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.743623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.743623][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.743623][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.743623][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.743623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.743623][ T72] [ 4685.745941][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4685.745941][ T72] netdev_get_by_index+0x5e/0x80 [ 4685.745941][ T72] fib6_nh_init+0x3d8/0x1580 [ 4685.745941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4685.745941][ T72] ip6_route_add+0x1c/0x140 [ 4685.745941][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4685.745941][ T72] addrconf_add_dev+0xe2/0x170 [ 4685.745941][ T72] inet6_addr_add+0x12f/0xa40 [ 4685.745941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.745941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.745941][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.745941][ T72] netlink_unicast+0x449/0x710 [ 4685.745941][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.745941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.745941][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.745941][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.745941][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.745941][ T72] [ 4685.748111][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4685.748111][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4685.748111][ T72] ipv6_find_idev+0x102/0x170 [ 4685.748111][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.748111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.748111][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.748111][ T72] netlink_unicast+0x449/0x710 [ 4685.748111][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.748111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.748111][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.748111][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.748111][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.748111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.748111][ T72] [ 4685.749841][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4685.749841][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4685.749841][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4685.749841][ T72] ipv6_find_idev+0x102/0x170 [ 4685.749841][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.749841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.749841][ T72] netlink_rcv_skb+0x130/0x360 [ 4685.749841][ T72] netlink_unicast+0x449/0x710 [ 4685.749841][ T72] netlink_sendmsg+0x723/0xbe0 [ 4685.749841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4685.749841][ T72] ___sys_sendmsg+0xee/0x170 [ 4685.749841][ T72] __sys_sendmsg+0xcd/0x170 [ 4685.749841][ T72] do_syscall_64+0xc6/0x1e0 [ 4685.749841][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.749841][ T72] [ 4695.952907][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4695.953341][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4695.953341][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4695.953341][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4695.953341][ T72] fib6_nh_init+0xa22/0x1580 [ 4695.953341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.953341][ T72] ip6_route_add+0x1c/0x140 [ 4695.953341][ T72] inet6_rtm_newroute+0x104/0x110 [ 4695.953341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.953341][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.953341][ T72] netlink_unicast+0x449/0x710 [ 4695.953341][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.953341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.953341][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.953341][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.953341][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.953341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.953341][ T72] [ 4695.955447][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4695.955447][ T72] dst_init+0x84/0x4a0 [ 4695.955447][ T72] dst_alloc+0x97/0x150 [ 4695.955447][ T72] ip6_dst_alloc+0x23/0x90 [ 4695.955447][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4695.955447][ T72] ip6_pol_route+0x56f/0x840 [ 4695.955447][ T72] fib6_rule_lookup+0x456/0x630 [ 4695.955447][ T72] ip6_route_input+0x59c/0xa50 [ 4695.955447][ T72] ipv6_rcv+0x397/0x810 [ 4695.955447][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4695.955447][ T72] process_backlog+0x101/0x620 [ 4695.955447][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4695.955447][ T72] net_rx_action+0x495/0xbe0 [ 4695.955447][ T72] __do_softirq+0x1b5/0x7f6 [ 4695.955447][ T72] [ 4695.957282][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4695.957282][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.957282][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.957282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.957282][ T72] ip6_route_add+0x1c/0x140 [ 4695.957282][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4695.957282][ T72] inet6_addr_add+0x4f8/0xa40 [ 4695.957282][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.957282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.957282][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.957282][ T72] netlink_unicast+0x449/0x710 [ 4695.957282][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.957282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.957282][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.957282][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.957282][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.957282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.957282][ T72] [ 4695.959597][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4695.959597][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.959597][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.959597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.959597][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4695.959597][ T72] ipv6_add_addr+0x411/0x2000 [ 4695.959597][ T72] inet6_addr_add+0x30e/0xa40 [ 4695.959597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.959597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.959597][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.959597][ T72] netlink_unicast+0x449/0x710 [ 4695.959597][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.959597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.959597][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.959597][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.959597][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.959597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.959597][ T72] [ 4695.961809][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4695.961809][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.961809][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.961809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.961809][ T72] ip6_route_add+0x1c/0x140 [ 4695.961809][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4695.961809][ T72] addrconf_add_dev+0xe2/0x170 [ 4695.961809][ T72] inet6_addr_add+0x12f/0xa40 [ 4695.961809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.961809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.961809][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.961809][ T72] netlink_unicast+0x449/0x710 [ 4695.961809][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.961809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.961809][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.961809][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.961809][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.961809][ T72] [ 4695.963989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4695.963989][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4695.963989][ T72] ipv6_find_idev+0x102/0x170 [ 4695.963989][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.963989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.963989][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.963989][ T72] netlink_unicast+0x449/0x710 [ 4695.963989][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.963989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.963989][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.963989][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.963989][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.963989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.963989][ T72] [ 4695.965685][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4695.965685][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4695.965685][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4695.965685][ T72] ipv6_find_idev+0x102/0x170 [ 4695.965685][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.965685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.965685][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.965685][ T72] netlink_unicast+0x449/0x710 [ 4695.965685][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.965685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.965685][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.965685][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.965685][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.965685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.965685][ T72] [ 4695.967560][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4695.967866][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4695.967866][ T72] dst_init+0x84/0x4a0 [ 4695.967866][ T72] dst_alloc+0x97/0x150 [ 4695.967866][ T72] ip6_dst_alloc+0x23/0x90 [ 4695.967866][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4695.967866][ T72] ip6_pol_route+0x56f/0x840 [ 4695.967866][ T72] fib6_rule_lookup+0x456/0x630 [ 4695.967866][ T72] ip6_route_input+0x59c/0xa50 [ 4695.967866][ T72] ipv6_rcv+0x397/0x810 [ 4695.967866][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4695.967866][ T72] process_backlog+0x101/0x620 [ 4695.967866][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4695.967866][ T72] net_rx_action+0x495/0xbe0 [ 4695.967866][ T72] __do_softirq+0x1b5/0x7f6 [ 4695.967866][ T72] [ 4695.969682][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4695.969682][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.969682][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.969682][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.969682][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4695.969682][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4695.969682][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4695.969682][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4695.969682][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4695.969682][ T72] addrconf_dad_begin+0x310/0x670 [ 4695.969682][ T72] addrconf_dad_work+0x10b/0xab0 [ 4695.969682][ T72] process_one_work+0x84d/0x18a0 [ 4695.969682][ T72] worker_thread+0x587/0xd30 [ 4695.969682][ T72] kthread+0x28a/0x350 [ 4695.969682][ T72] ret_from_fork+0x31/0x70 [ 4695.969682][ T72] ret_from_fork_asm+0x1a/0x30 [ 4695.969682][ T72] [ 4695.971788][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4695.971788][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.971788][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.971788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.971788][ T72] ip6_route_add+0x1c/0x140 [ 4695.971788][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4695.971788][ T72] inet6_addr_add+0x4f8/0xa40 [ 4695.971788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.971788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.971788][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.971788][ T72] netlink_unicast+0x449/0x710 [ 4695.971788][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.971788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.971788][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.971788][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.971788][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.971788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.971788][ T72] [ 4695.974008][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4695.974008][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.974008][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.974008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.974008][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4695.974008][ T72] ipv6_add_addr+0x411/0x2000 [ 4695.974008][ T72] inet6_addr_add+0x30e/0xa40 [ 4695.974008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.974008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.974008][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.974008][ T72] netlink_unicast+0x449/0x710 [ 4695.974008][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.974008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.974008][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.974008][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.974008][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.974008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.974008][ T72] [ 4695.976213][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4695.976213][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.976213][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.976213][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.976213][ T72] ip6_route_add+0x1c/0x140 [ 4695.976213][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4695.976213][ T72] addrconf_add_dev+0xe2/0x170 [ 4695.976213][ T72] inet6_addr_add+0x12f/0xa40 [ 4695.976213][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.976213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.976213][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.976213][ T72] netlink_unicast+0x449/0x710 [ 4695.976213][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.976213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.976213][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.976213][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.976213][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.976213][ T72] [ 4695.978375][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4695.978375][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4695.978375][ T72] ipv6_find_idev+0x102/0x170 [ 4695.978375][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.978375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.978375][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.978375][ T72] netlink_unicast+0x449/0x710 [ 4695.978375][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.978375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.978375][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.978375][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.978375][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.978375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.978375][ T72] [ 4695.980070][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4695.980070][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4695.980070][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4695.980070][ T72] ipv6_find_idev+0x102/0x170 [ 4695.980070][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.980070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.980070][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.980070][ T72] netlink_unicast+0x449/0x710 [ 4695.980070][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.980070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.980070][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.980070][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.980070][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.980070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.980070][ T72] [ 4695.982053][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4695.982350][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4695.982350][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4695.982350][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4695.982350][ T72] fib6_nh_init+0xa22/0x1580 [ 4695.982350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.982350][ T72] ip6_route_add+0x1c/0x140 [ 4695.982350][ T72] inet6_rtm_newroute+0x104/0x110 [ 4695.982350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.982350][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.982350][ T72] netlink_unicast+0x449/0x710 [ 4695.982350][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.982350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.982350][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.982350][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.982350][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.982350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.982350][ T72] [ 4695.984731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4695.984731][ T72] dst_init+0x84/0x4a0 [ 4695.984731][ T72] dst_alloc+0x97/0x150 [ 4695.984731][ T72] ip6_dst_alloc+0x23/0x90 [ 4695.984731][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4695.984731][ T72] ip6_pol_route+0x56f/0x840 [ 4695.984731][ T72] fib6_rule_lookup+0x456/0x630 [ 4695.984731][ T72] ip6_route_input+0x59c/0xa50 [ 4695.984731][ T72] ipv6_rcv+0x397/0x810 [ 4695.984731][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4695.984731][ T72] process_backlog+0x101/0x620 [ 4695.984731][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4695.984731][ T72] net_rx_action+0x495/0xbe0 [ 4695.984731][ T72] __do_softirq+0x1b5/0x7f6 [ 4695.984731][ T72] [ 4695.986734][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4695.986734][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.986734][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.986734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.986734][ T72] ip6_route_add+0x1c/0x140 [ 4695.986734][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4695.986734][ T72] inet6_addr_add+0x4f8/0xa40 [ 4695.986734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.986734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.986734][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.986734][ T72] netlink_unicast+0x449/0x710 [ 4695.986734][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.986734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.986734][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.986734][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.986734][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.986734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.986734][ T72] [ 4695.989123][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4695.989123][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.989123][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.989123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.989123][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4695.989123][ T72] ipv6_add_addr+0x411/0x2000 [ 4695.989123][ T72] inet6_addr_add+0x30e/0xa40 [ 4695.989123][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.989123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.989123][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.989123][ T72] netlink_unicast+0x449/0x710 [ 4695.989123][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.989123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.989123][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.989123][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.989123][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.989123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.989123][ T72] [ 4695.991576][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4695.991576][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.991576][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.991576][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.991576][ T72] ip6_route_add+0x1c/0x140 [ 4695.991576][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4695.991576][ T72] addrconf_add_dev+0xe2/0x170 [ 4695.991576][ T72] inet6_addr_add+0x12f/0xa40 [ 4695.991576][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.991576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.991576][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.991576][ T72] netlink_unicast+0x449/0x710 [ 4695.991576][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.991576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.991576][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.991576][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.991576][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.991576][ T72] [ 4695.994052][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4695.994052][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4695.994052][ T72] ipv6_find_idev+0x102/0x170 [ 4695.994052][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.994052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.994052][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.994052][ T72] netlink_unicast+0x449/0x710 [ 4695.994052][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.994052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.994052][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.994052][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.994052][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.994052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.994052][ T72] [ 4695.995932][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4695.995932][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4695.995932][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4695.995932][ T72] ipv6_find_idev+0x102/0x170 [ 4695.995932][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.995932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.995932][ T72] netlink_rcv_skb+0x130/0x360 [ 4695.995932][ T72] netlink_unicast+0x449/0x710 [ 4695.995932][ T72] netlink_sendmsg+0x723/0xbe0 [ 4695.995932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4695.995932][ T72] ___sys_sendmsg+0xee/0x170 [ 4695.995932][ T72] __sys_sendmsg+0xcd/0x170 [ 4695.995932][ T72] do_syscall_64+0xc6/0x1e0 [ 4695.995932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.995932][ T72] [ 4695.998523][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4695.999317][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4695.999317][ T72] netdev_get_by_index+0x5e/0x80 [ 4695.999317][ T72] fib6_nh_init+0x3d8/0x1580 [ 4695.999317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4695.999317][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4695.999317][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4695.999317][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4695.999317][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4695.999317][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4695.999317][ T72] addrconf_dad_begin+0x310/0x670 [ 4695.999317][ T72] addrconf_dad_work+0x10b/0xab0 [ 4695.999317][ T72] process_one_work+0x84d/0x18a0 [ 4695.999317][ T72] worker_thread+0x587/0xd30 [ 4695.999317][ T72] kthread+0x28a/0x350 [ 4695.999317][ T72] ret_from_fork+0x31/0x70 [ 4695.999317][ T72] ret_from_fork_asm+0x1a/0x30 [ 4695.999317][ T72] [ 4696.001442][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4696.001442][ T72] netdev_get_by_index+0x5e/0x80 [ 4696.001442][ T72] fib6_nh_init+0x3d8/0x1580 [ 4696.001442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4696.001442][ T72] ip6_route_add+0x1c/0x140 [ 4696.001442][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4696.001442][ T72] inet6_addr_add+0x4f8/0xa40 [ 4696.001442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4696.001442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.001442][ T72] netlink_rcv_skb+0x130/0x360 [ 4696.001442][ T72] netlink_unicast+0x449/0x710 [ 4696.001442][ T72] netlink_sendmsg+0x723/0xbe0 [ 4696.001442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4696.001442][ T72] ___sys_sendmsg+0xee/0x170 [ 4696.001442][ T72] __sys_sendmsg+0xcd/0x170 [ 4696.001442][ T72] do_syscall_64+0xc6/0x1e0 [ 4696.001442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4696.001442][ T72] [ 4696.004098][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4696.004098][ T72] netdev_get_by_index+0x5e/0x80 [ 4696.004098][ T72] fib6_nh_init+0x3d8/0x1580 [ 4696.004098][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4696.004098][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4696.004098][ T72] ipv6_add_addr+0x411/0x2000 [ 4696.004098][ T72] inet6_addr_add+0x30e/0xa40 [ 4696.004098][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4696.004098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.004098][ T72] netlink_rcv_skb+0x130/0x360 [ 4696.004098][ T72] netlink_unicast+0x449/0x710 [ 4696.004098][ T72] netlink_sendmsg+0x723/0xbe0 [ 4696.004098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4696.004098][ T72] ___sys_sendmsg+0xee/0x170 [ 4696.004098][ T72] __sys_sendmsg+0xcd/0x170 [ 4696.004098][ T72] do_syscall_64+0xc6/0x1e0 [ 4696.004098][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4696.004098][ T72] [ 4696.006544][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4696.006544][ T72] netdev_get_by_index+0x5e/0x80 [ 4696.006544][ T72] fib6_nh_init+0x3d8/0x1580 [ 4696.006544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4696.006544][ T72] ip6_route_add+0x1c/0x140 [ 4696.006544][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4696.006544][ T72] addrconf_add_dev+0xe2/0x170 [ 4696.006544][ T72] inet6_addr_add+0x12f/0xa40 [ 4696.006544][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4696.006544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.006544][ T72] netlink_rcv_skb+0x130/0x360 [ 4696.006544][ T72] netlink_unicast+0x449/0x710 [ 4696.006544][ T72] netlink_sendmsg+0x723/0xbe0 [ 4696.006544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4696.006544][ T72] ___sys_sendmsg+0xee/0x170 [ 4696.006544][ T72] __sys_sendmsg+0xcd/0x170 [ 4696.006544][ T72] do_syscall_64+0xc6/0x1e0 [ 4696.006544][ T72] [ 4696.009008][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4696.009008][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4696.009008][ T72] ipv6_find_idev+0x102/0x170 [ 4696.009008][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4696.009008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.009008][ T72] netlink_rcv_skb+0x130/0x360 [ 4696.009008][ T72] netlink_unicast+0x449/0x710 [ 4696.009008][ T72] netlink_sendmsg+0x723/0xbe0 [ 4696.009008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4696.009008][ T72] ___sys_sendmsg+0xee/0x170 [ 4696.009008][ T72] __sys_sendmsg+0xcd/0x170 [ 4696.009008][ T72] do_syscall_64+0xc6/0x1e0 [ 4696.009008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4696.009008][ T72] [ 4696.010883][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4696.010883][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4696.010883][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4696.010883][ T72] ipv6_find_idev+0x102/0x170 [ 4696.010883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4696.010883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4696.010883][ T72] netlink_rcv_skb+0x130/0x360 [ 4696.010883][ T72] netlink_unicast+0x449/0x710 [ 4696.010883][ T72] netlink_sendmsg+0x723/0xbe0 [ 4696.010883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4696.010883][ T72] ___sys_sendmsg+0xee/0x170 [ 4696.010883][ T72] __sys_sendmsg+0xcd/0x170 [ 4696.010883][ T72] do_syscall_64+0xc6/0x1e0 [ 4696.010883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4696.010883][ T72] [ 4706.056876][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4706.057303][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4706.057303][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4706.057303][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4706.057303][ T72] fib6_nh_init+0xa22/0x1580 [ 4706.057303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.057303][ T72] ip6_route_add+0x1c/0x140 [ 4706.057303][ T72] inet6_rtm_newroute+0x104/0x110 [ 4706.057303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.057303][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.057303][ T72] netlink_unicast+0x449/0x710 [ 4706.057303][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.057303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.057303][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.057303][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.057303][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.057303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.057303][ T72] [ 4706.059237][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4706.059237][ T72] dst_init+0x84/0x4a0 [ 4706.059237][ T72] dst_alloc+0x97/0x150 [ 4706.059237][ T72] ip6_dst_alloc+0x23/0x90 [ 4706.059237][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4706.059237][ T72] ip6_pol_route+0x56f/0x840 [ 4706.059237][ T72] fib6_rule_lookup+0x456/0x630 [ 4706.059237][ T72] ip6_route_input+0x59c/0xa50 [ 4706.059237][ T72] ipv6_rcv+0x397/0x810 [ 4706.059237][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4706.059237][ T72] process_backlog+0x101/0x620 [ 4706.059237][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4706.059237][ T72] net_rx_action+0x495/0xbe0 [ 4706.059237][ T72] __do_softirq+0x1b5/0x7f6 [ 4706.059237][ T72] [ 4706.060887][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4706.060887][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.060887][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.060887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.060887][ T72] ip6_route_add+0x1c/0x140 [ 4706.060887][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4706.060887][ T72] inet6_addr_add+0x4f8/0xa40 [ 4706.060887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.060887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.060887][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.060887][ T72] netlink_unicast+0x449/0x710 [ 4706.060887][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.060887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.060887][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.060887][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.060887][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.060887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.060887][ T72] [ 4706.062908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4706.062908][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.062908][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.062908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.062908][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4706.062908][ T72] ipv6_add_addr+0x411/0x2000 [ 4706.062908][ T72] inet6_addr_add+0x30e/0xa40 [ 4706.062908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.062908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.062908][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.062908][ T72] netlink_unicast+0x449/0x710 [ 4706.062908][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.062908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.062908][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.062908][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.062908][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.062908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.062908][ T72] [ 4706.064924][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4706.064924][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.064924][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.064924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.064924][ T72] ip6_route_add+0x1c/0x140 [ 4706.064924][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4706.064924][ T72] addrconf_add_dev+0xe2/0x170 [ 4706.064924][ T72] inet6_addr_add+0x12f/0xa40 [ 4706.064924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.064924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.064924][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.064924][ T72] netlink_unicast+0x449/0x710 [ 4706.064924][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.064924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.064924][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.064924][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.064924][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.064924][ T72] [ 4706.066940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4706.066940][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4706.066940][ T72] ipv6_find_idev+0x102/0x170 [ 4706.066940][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.066940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.066940][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.066940][ T72] netlink_unicast+0x449/0x710 [ 4706.066940][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.066940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.066940][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.066940][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.066940][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.066940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.066940][ T72] [ 4706.068503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4706.068503][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4706.068503][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4706.068503][ T72] ipv6_find_idev+0x102/0x170 [ 4706.068503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.068503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.068503][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.068503][ T72] netlink_unicast+0x449/0x710 [ 4706.068503][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.068503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.068503][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.068503][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.068503][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.068503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.068503][ T72] [ 4706.070207][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4706.070477][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4706.070477][ T72] dst_init+0x84/0x4a0 [ 4706.070477][ T72] dst_alloc+0x97/0x150 [ 4706.070477][ T72] ip6_dst_alloc+0x23/0x90 [ 4706.070477][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4706.070477][ T72] ip6_pol_route+0x56f/0x840 [ 4706.070477][ T72] fib6_rule_lookup+0x456/0x630 [ 4706.070477][ T72] ip6_route_input+0x59c/0xa50 [ 4706.070477][ T72] ipv6_rcv+0x397/0x810 [ 4706.070477][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4706.070477][ T72] process_backlog+0x101/0x620 [ 4706.070477][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4706.070477][ T72] net_rx_action+0x495/0xbe0 [ 4706.070477][ T72] __do_softirq+0x1b5/0x7f6 [ 4706.070477][ T72] [ 4706.072149][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4706.072149][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.072149][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.072149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.072149][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4706.072149][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4706.072149][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4706.072149][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4706.072149][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4706.072149][ T72] addrconf_dad_begin+0x310/0x670 [ 4706.072149][ T72] addrconf_dad_work+0x10b/0xab0 [ 4706.072149][ T72] process_one_work+0x84d/0x18a0 [ 4706.072149][ T72] worker_thread+0x587/0xd30 [ 4706.072149][ T72] kthread+0x28a/0x350 [ 4706.072149][ T72] ret_from_fork+0x31/0x70 [ 4706.072149][ T72] ret_from_fork_asm+0x1a/0x30 [ 4706.072149][ T72] [ 4706.074072][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4706.074072][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.074072][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.074072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.074072][ T72] ip6_route_add+0x1c/0x140 [ 4706.074072][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4706.074072][ T72] inet6_addr_add+0x4f8/0xa40 [ 4706.074072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.074072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.074072][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.074072][ T72] netlink_unicast+0x449/0x710 [ 4706.074072][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.074072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.074072][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.074072][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.074072][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.074072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.074072][ T72] [ 4706.076093][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4706.076093][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.076093][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.076093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.076093][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4706.076093][ T72] ipv6_add_addr+0x411/0x2000 [ 4706.076093][ T72] inet6_addr_add+0x30e/0xa40 [ 4706.076093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.076093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.076093][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.076093][ T72] netlink_unicast+0x449/0x710 [ 4706.076093][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.076093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.076093][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.076093][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.076093][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.076093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.076093][ T72] [ 4706.078106][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4706.078106][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.078106][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.078106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.078106][ T72] ip6_route_add+0x1c/0x140 [ 4706.078106][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4706.078106][ T72] addrconf_add_dev+0xe2/0x170 [ 4706.078106][ T72] inet6_addr_add+0x12f/0xa40 [ 4706.078106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.078106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.078106][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.078106][ T72] netlink_unicast+0x449/0x710 [ 4706.078106][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.078106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.078106][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.078106][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.078106][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.078106][ T72] [ 4706.080089][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4706.080089][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4706.080089][ T72] ipv6_find_idev+0x102/0x170 [ 4706.080089][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.080089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.080089][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.080089][ T72] netlink_unicast+0x449/0x710 [ 4706.080089][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.080089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.080089][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.080089][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.080089][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.080089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.080089][ T72] [ 4706.081640][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4706.081640][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4706.081640][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4706.081640][ T72] ipv6_find_idev+0x102/0x170 [ 4706.081640][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.081640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.081640][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.081640][ T72] netlink_unicast+0x449/0x710 [ 4706.081640][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.081640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.081640][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.081640][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.081640][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.081640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.081640][ T72] [ 4706.083421][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4706.083760][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4706.083760][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4706.083760][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4706.083760][ T72] fib6_nh_init+0xa22/0x1580 [ 4706.083760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.083760][ T72] ip6_route_add+0x1c/0x140 [ 4706.083760][ T72] inet6_rtm_newroute+0x104/0x110 [ 4706.083760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.083760][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.083760][ T72] netlink_unicast+0x449/0x710 [ 4706.083760][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.083760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.083760][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.083760][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.083760][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.083760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.083760][ T72] [ 4706.085780][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4706.085780][ T72] dst_init+0x84/0x4a0 [ 4706.085780][ T72] dst_alloc+0x97/0x150 [ 4706.085780][ T72] ip6_dst_alloc+0x23/0x90 [ 4706.085780][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4706.085780][ T72] ip6_pol_route+0x56f/0x840 [ 4706.085780][ T72] fib6_rule_lookup+0x456/0x630 [ 4706.085780][ T72] ip6_route_input+0x59c/0xa50 [ 4706.085780][ T72] ipv6_rcv+0x397/0x810 [ 4706.085780][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4706.085780][ T72] process_backlog+0x101/0x620 [ 4706.085780][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4706.085780][ T72] net_rx_action+0x495/0xbe0 [ 4706.085780][ T72] __do_softirq+0x1b5/0x7f6 [ 4706.085780][ T72] [ 4706.087509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4706.087509][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.087509][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.087509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.087509][ T72] ip6_route_add+0x1c/0x140 [ 4706.087509][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4706.087509][ T72] inet6_addr_add+0x4f8/0xa40 [ 4706.087509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.087509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.087509][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.087509][ T72] netlink_unicast+0x449/0x710 [ 4706.087509][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.087509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.087509][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.087509][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.087509][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.087509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.087509][ T72] [ 4706.089659][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4706.089659][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.089659][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.089659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.089659][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4706.089659][ T72] ipv6_add_addr+0x411/0x2000 [ 4706.089659][ T72] inet6_addr_add+0x30e/0xa40 [ 4706.089659][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.089659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.089659][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.089659][ T72] netlink_unicast+0x449/0x710 [ 4706.089659][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.089659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.089659][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.089659][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.089659][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.089659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.089659][ T72] [ 4706.091823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4706.091823][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.091823][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.091823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.091823][ T72] ip6_route_add+0x1c/0x140 [ 4706.091823][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4706.091823][ T72] addrconf_add_dev+0xe2/0x170 [ 4706.091823][ T72] inet6_addr_add+0x12f/0xa40 [ 4706.091823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.091823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.091823][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.091823][ T72] netlink_unicast+0x449/0x710 [ 4706.091823][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.091823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.091823][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.091823][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.091823][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.091823][ T72] [ 4706.093947][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4706.093947][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4706.093947][ T72] ipv6_find_idev+0x102/0x170 [ 4706.093947][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.093947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.093947][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.093947][ T72] netlink_unicast+0x449/0x710 [ 4706.093947][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.093947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.093947][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.093947][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.093947][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.093947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.093947][ T72] [ 4706.095678][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4706.095678][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4706.095678][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4706.095678][ T72] ipv6_find_idev+0x102/0x170 [ 4706.095678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.095678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.095678][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.095678][ T72] netlink_unicast+0x449/0x710 [ 4706.095678][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.095678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.095678][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.095678][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.095678][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.095678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.095678][ T72] [ 4706.097493][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4706.097774][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4706.097774][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.097774][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.097774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.097774][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4706.097774][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4706.097774][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4706.097774][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4706.097774][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4706.097774][ T72] addrconf_dad_begin+0x310/0x670 [ 4706.097774][ T72] addrconf_dad_work+0x10b/0xab0 [ 4706.097774][ T72] process_one_work+0x84d/0x18a0 [ 4706.097774][ T72] worker_thread+0x587/0xd30 [ 4706.097774][ T72] kthread+0x28a/0x350 [ 4706.097774][ T72] ret_from_fork+0x31/0x70 [ 4706.097774][ T72] ret_from_fork_asm+0x1a/0x30 [ 4706.097774][ T72] [ 4706.099840][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4706.099840][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.099840][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.099840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.099840][ T72] ip6_route_add+0x1c/0x140 [ 4706.099840][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4706.099840][ T72] inet6_addr_add+0x4f8/0xa40 [ 4706.099840][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.099840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.099840][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.099840][ T72] netlink_unicast+0x449/0x710 [ 4706.099840][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.099840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.099840][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.099840][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.099840][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.099840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.099840][ T72] [ 4706.102005][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4706.102005][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.102005][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.102005][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.102005][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4706.102005][ T72] ipv6_add_addr+0x411/0x2000 [ 4706.102005][ T72] inet6_addr_add+0x30e/0xa40 [ 4706.102005][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.102005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.102005][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.102005][ T72] netlink_unicast+0x449/0x710 [ 4706.102005][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.102005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.102005][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.102005][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.102005][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.102005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.102005][ T72] [ 4706.104172][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4706.104172][ T72] netdev_get_by_index+0x5e/0x80 [ 4706.104172][ T72] fib6_nh_init+0x3d8/0x1580 [ 4706.104172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4706.104172][ T72] ip6_route_add+0x1c/0x140 [ 4706.104172][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4706.104172][ T72] addrconf_add_dev+0xe2/0x170 [ 4706.104172][ T72] inet6_addr_add+0x12f/0xa40 [ 4706.104172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4706.104172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.104172][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.104172][ T72] netlink_unicast+0x449/0x710 [ 4706.104172][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.104172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.104172][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.104172][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.104172][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.104172][ T72] [ 4706.106325][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4706.106325][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4706.106325][ T72] ipv6_find_idev+0x102/0x170 [ 4706.106325][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.106325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.106325][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.106325][ T72] netlink_unicast+0x449/0x710 [ 4706.106325][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.106325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.106325][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.106325][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.106325][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.106325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.106325][ T72] [ 4706.107945][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4706.107945][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4706.107945][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4706.107945][ T72] ipv6_find_idev+0x102/0x170 [ 4706.107945][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4706.107945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4706.107945][ T72] netlink_rcv_skb+0x130/0x360 [ 4706.107945][ T72] netlink_unicast+0x449/0x710 [ 4706.107945][ T72] netlink_sendmsg+0x723/0xbe0 [ 4706.107945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4706.107945][ T72] ___sys_sendmsg+0xee/0x170 [ 4706.107945][ T72] __sys_sendmsg+0xcd/0x170 [ 4706.107945][ T72] do_syscall_64+0xc6/0x1e0 [ 4706.107945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4706.107945][ T72] [ 4716.120905][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4716.121352][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4716.121352][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4716.121352][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4716.121352][ T72] fib6_nh_init+0xa22/0x1580 [ 4716.121352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.121352][ T72] ip6_route_add+0x1c/0x140 [ 4716.121352][ T72] inet6_rtm_newroute+0x104/0x110 [ 4716.121352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.121352][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.121352][ T72] netlink_unicast+0x449/0x710 [ 4716.121352][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.121352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.121352][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.121352][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.121352][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.121352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.121352][ T72] [ 4716.123513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4716.123513][ T72] dst_init+0x84/0x4a0 [ 4716.123513][ T72] dst_alloc+0x97/0x150 [ 4716.123513][ T72] ip6_dst_alloc+0x23/0x90 [ 4716.123513][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4716.123513][ T72] ip6_pol_route+0x56f/0x840 [ 4716.123513][ T72] fib6_rule_lookup+0x456/0x630 [ 4716.123513][ T72] ip6_route_input+0x59c/0xa50 [ 4716.123513][ T72] ipv6_rcv+0x397/0x810 [ 4716.123513][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4716.123513][ T72] process_backlog+0x101/0x620 [ 4716.123513][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4716.123513][ T72] net_rx_action+0x495/0xbe0 [ 4716.123513][ T72] __do_softirq+0x1b5/0x7f6 [ 4716.123513][ T72] [ 4716.125377][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4716.125377][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.125377][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.125377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.125377][ T72] ip6_route_add+0x1c/0x140 [ 4716.125377][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4716.125377][ T72] inet6_addr_add+0x4f8/0xa40 [ 4716.125377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.125377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.125377][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.125377][ T72] netlink_unicast+0x449/0x710 [ 4716.125377][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.125377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.125377][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.125377][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.125377][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.125377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.125377][ T72] [ 4716.127677][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4716.127677][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.127677][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.127677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.127677][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4716.127677][ T72] ipv6_add_addr+0x411/0x2000 [ 4716.127677][ T72] inet6_addr_add+0x30e/0xa40 [ 4716.127677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.127677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.127677][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.127677][ T72] netlink_unicast+0x449/0x710 [ 4716.127677][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.127677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.127677][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.127677][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.127677][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.127677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.127677][ T72] [ 4716.130069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4716.130069][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.130069][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.130069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.130069][ T72] ip6_route_add+0x1c/0x140 [ 4716.130069][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4716.130069][ T72] addrconf_add_dev+0xe2/0x170 [ 4716.130069][ T72] inet6_addr_add+0x12f/0xa40 [ 4716.130069][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.130069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.130069][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.130069][ T72] netlink_unicast+0x449/0x710 [ 4716.130069][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.130069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.130069][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.130069][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.130069][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.130069][ T72] [ 4716.132299][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4716.132299][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4716.132299][ T72] ipv6_find_idev+0x102/0x170 [ 4716.132299][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.132299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.132299][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.132299][ T72] netlink_unicast+0x449/0x710 [ 4716.132299][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.132299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.132299][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.132299][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.132299][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.132299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.132299][ T72] [ 4716.134034][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4716.134034][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4716.134034][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4716.134034][ T72] ipv6_find_idev+0x102/0x170 [ 4716.134034][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.134034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.134034][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.134034][ T72] netlink_unicast+0x449/0x710 [ 4716.134034][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.134034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.134034][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.134034][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.134034][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.134034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.134034][ T72] [ 4716.135995][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4716.136305][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4716.136305][ T72] dst_init+0x84/0x4a0 [ 4716.136305][ T72] dst_alloc+0x97/0x150 [ 4716.136305][ T72] ip6_dst_alloc+0x23/0x90 [ 4716.136305][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4716.136305][ T72] ip6_pol_route+0x56f/0x840 [ 4716.136305][ T72] fib6_rule_lookup+0x456/0x630 [ 4716.136305][ T72] ip6_route_input+0x59c/0xa50 [ 4716.136305][ T72] ipv6_rcv+0x397/0x810 [ 4716.136305][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4716.136305][ T72] process_backlog+0x101/0x620 [ 4716.136305][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4716.136305][ T72] net_rx_action+0x495/0xbe0 [ 4716.136305][ T72] __do_softirq+0x1b5/0x7f6 [ 4716.136305][ T72] [ 4716.138170][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4716.138170][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.138170][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.138170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.138170][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4716.138170][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4716.138170][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4716.138170][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4716.138170][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4716.138170][ T72] addrconf_dad_begin+0x310/0x670 [ 4716.138170][ T72] addrconf_dad_work+0x10b/0xab0 [ 4716.138170][ T72] process_one_work+0x84d/0x18a0 [ 4716.138170][ T72] worker_thread+0x587/0xd30 [ 4716.138170][ T72] kthread+0x28a/0x350 [ 4716.138170][ T72] ret_from_fork+0x31/0x70 [ 4716.138170][ T72] ret_from_fork_asm+0x1a/0x30 [ 4716.138170][ T72] [ 4716.140352][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4716.140352][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.140352][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.140352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.140352][ T72] ip6_route_add+0x1c/0x140 [ 4716.140352][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4716.140352][ T72] inet6_addr_add+0x4f8/0xa40 [ 4716.140352][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.140352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.140352][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.140352][ T72] netlink_unicast+0x449/0x710 [ 4716.140352][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.140352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.140352][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.140352][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.140352][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.140352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.140352][ T72] [ 4716.142615][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4716.142615][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.142615][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.142615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.142615][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4716.142615][ T72] ipv6_add_addr+0x411/0x2000 [ 4716.142615][ T72] inet6_addr_add+0x30e/0xa40 [ 4716.142615][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.142615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.142615][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.142615][ T72] netlink_unicast+0x449/0x710 [ 4716.142615][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.142615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.142615][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.142615][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.142615][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.142615][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.142615][ T72] [ 4716.144898][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4716.144898][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.144898][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.144898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.144898][ T72] ip6_route_add+0x1c/0x140 [ 4716.144898][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4716.144898][ T72] addrconf_add_dev+0xe2/0x170 [ 4716.144898][ T72] inet6_addr_add+0x12f/0xa40 [ 4716.144898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.144898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.144898][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.144898][ T72] netlink_unicast+0x449/0x710 [ 4716.144898][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.144898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.144898][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.144898][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.144898][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.144898][ T72] [ 4716.147154][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4716.147154][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4716.147154][ T72] ipv6_find_idev+0x102/0x170 [ 4716.147154][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.147154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.147154][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.147154][ T72] netlink_unicast+0x449/0x710 [ 4716.147154][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.147154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.147154][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.147154][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.147154][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.147154][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.147154][ T72] [ 4716.148903][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4716.148903][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4716.148903][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4716.148903][ T72] ipv6_find_idev+0x102/0x170 [ 4716.148903][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.148903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.148903][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.148903][ T72] netlink_unicast+0x449/0x710 [ 4716.148903][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.148903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.148903][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.148903][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.148903][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.148903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.148903][ T72] [ 4716.150884][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4716.151199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4716.151199][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4716.151199][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4716.151199][ T72] fib6_nh_init+0xa22/0x1580 [ 4716.151199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.151199][ T72] ip6_route_add+0x1c/0x140 [ 4716.151199][ T72] inet6_rtm_newroute+0x104/0x110 [ 4716.151199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.151199][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.151199][ T72] netlink_unicast+0x449/0x710 [ 4716.151199][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.151199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.151199][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.151199][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.151199][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.151199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.151199][ T72] [ 4716.153632][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4716.153632][ T72] dst_init+0x84/0x4a0 [ 4716.153632][ T72] dst_alloc+0x97/0x150 [ 4716.153632][ T72] ip6_dst_alloc+0x23/0x90 [ 4716.153632][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4716.153632][ T72] ip6_pol_route+0x56f/0x840 [ 4716.153632][ T72] fib6_rule_lookup+0x456/0x630 [ 4716.153632][ T72] ip6_route_input+0x59c/0xa50 [ 4716.153632][ T72] ipv6_rcv+0x397/0x810 [ 4716.153632][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4716.153632][ T72] process_backlog+0x101/0x620 [ 4716.153632][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4716.153632][ T72] net_rx_action+0x495/0xbe0 [ 4716.153632][ T72] __do_softirq+0x1b5/0x7f6 [ 4716.153632][ T72] [ 4716.155758][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4716.155758][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.155758][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.155758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.155758][ T72] ip6_route_add+0x1c/0x140 [ 4716.155758][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4716.155758][ T72] inet6_addr_add+0x4f8/0xa40 [ 4716.155758][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.155758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.155758][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.155758][ T72] netlink_unicast+0x449/0x710 [ 4716.155758][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.155758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.155758][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.155758][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.155758][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.155758][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.155758][ T72] [ 4716.158265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4716.158265][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.158265][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.158265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.158265][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4716.158265][ T72] ipv6_add_addr+0x411/0x2000 [ 4716.158265][ T72] inet6_addr_add+0x30e/0xa40 [ 4716.158265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.158265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.158265][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.158265][ T72] netlink_unicast+0x449/0x710 [ 4716.158265][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.158265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.158265][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.158265][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.158265][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.158265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.158265][ T72] [ 4716.160702][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4716.160702][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.160702][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.160702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.160702][ T72] ip6_route_add+0x1c/0x140 [ 4716.160702][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4716.160702][ T72] addrconf_add_dev+0xe2/0x170 [ 4716.160702][ T72] inet6_addr_add+0x12f/0xa40 [ 4716.160702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.160702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.160702][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.160702][ T72] netlink_unicast+0x449/0x710 [ 4716.160702][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.160702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.160702][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.160702][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.160702][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.160702][ T72] [ 4716.163266][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4716.163266][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4716.163266][ T72] ipv6_find_idev+0x102/0x170 [ 4716.163266][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.163266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.163266][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.163266][ T72] netlink_unicast+0x449/0x710 [ 4716.163266][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.163266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.163266][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.163266][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.163266][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.163266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.163266][ T72] [ 4716.165248][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4716.165248][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4716.165248][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4716.165248][ T72] ipv6_find_idev+0x102/0x170 [ 4716.165248][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.165248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.165248][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.165248][ T72] netlink_unicast+0x449/0x710 [ 4716.165248][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.165248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.165248][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.165248][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.165248][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.165248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.165248][ T72] [ 4716.167355][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4716.167729][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4716.167729][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.167729][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.167729][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.167729][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4716.167729][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4716.167729][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4716.167729][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4716.167729][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4716.167729][ T72] addrconf_dad_begin+0x310/0x670 [ 4716.167729][ T72] addrconf_dad_work+0x10b/0xab0 [ 4716.167729][ T72] process_one_work+0x84d/0x18a0 [ 4716.167729][ T72] worker_thread+0x587/0xd30 [ 4716.167729][ T72] kthread+0x28a/0x350 [ 4716.167729][ T72] ret_from_fork+0x31/0x70 [ 4716.167729][ T72] ret_from_fork_asm+0x1a/0x30 [ 4716.167729][ T72] [ 4716.170008][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4716.170008][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.170008][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.170008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.170008][ T72] ip6_route_add+0x1c/0x140 [ 4716.170008][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4716.170008][ T72] inet6_addr_add+0x4f8/0xa40 [ 4716.170008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.170008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.170008][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.170008][ T72] netlink_unicast+0x449/0x710 [ 4716.170008][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.170008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.170008][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.170008][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.170008][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.170008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.170008][ T72] [ 4716.172502][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4716.172502][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.172502][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.172502][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.172502][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4716.172502][ T72] ipv6_add_addr+0x411/0x2000 [ 4716.172502][ T72] inet6_addr_add+0x30e/0xa40 [ 4716.172502][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.172502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.172502][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.172502][ T72] netlink_unicast+0x449/0x710 [ 4716.172502][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.172502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.172502][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.172502][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.172502][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.172502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.172502][ T72] [ 4716.175094][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4716.175094][ T72] netdev_get_by_index+0x5e/0x80 [ 4716.175094][ T72] fib6_nh_init+0x3d8/0x1580 [ 4716.175094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4716.175094][ T72] ip6_route_add+0x1c/0x140 [ 4716.175094][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4716.175094][ T72] addrconf_add_dev+0xe2/0x170 [ 4716.175094][ T72] inet6_addr_add+0x12f/0xa40 [ 4716.175094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4716.175094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.175094][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.175094][ T72] netlink_unicast+0x449/0x710 [ 4716.175094][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.175094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.175094][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.175094][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.175094][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.175094][ T72] [ 4716.177608][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4716.177608][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4716.177608][ T72] ipv6_find_idev+0x102/0x170 [ 4716.177608][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.177608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.177608][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.177608][ T72] netlink_unicast+0x449/0x710 [ 4716.177608][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.177608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.177608][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.177608][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.177608][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.177608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.177608][ T72] [ 4716.179528][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4716.179528][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4716.179528][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4716.179528][ T72] ipv6_find_idev+0x102/0x170 [ 4716.179528][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4716.179528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4716.179528][ T72] netlink_rcv_skb+0x130/0x360 [ 4716.179528][ T72] netlink_unicast+0x449/0x710 [ 4716.179528][ T72] netlink_sendmsg+0x723/0xbe0 [ 4716.179528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4716.179528][ T72] ___sys_sendmsg+0xee/0x170 [ 4716.179528][ T72] __sys_sendmsg+0xcd/0x170 [ 4716.179528][ T72] do_syscall_64+0xc6/0x1e0 [ 4716.179528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4716.179528][ T72] [ 4726.264909][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4726.265385][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4726.265385][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4726.265385][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4726.265385][ T72] fib6_nh_init+0xa22/0x1580 [ 4726.265385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.265385][ T72] ip6_route_add+0x1c/0x140 [ 4726.265385][ T72] inet6_rtm_newroute+0x104/0x110 [ 4726.265385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.265385][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.265385][ T72] netlink_unicast+0x449/0x710 [ 4726.265385][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.265385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.265385][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.265385][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.265385][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.265385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.265385][ T72] [ 4726.267491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4726.267491][ T72] dst_init+0x84/0x4a0 [ 4726.267491][ T72] dst_alloc+0x97/0x150 [ 4726.267491][ T72] ip6_dst_alloc+0x23/0x90 [ 4726.267491][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4726.267491][ T72] ip6_pol_route+0x56f/0x840 [ 4726.267491][ T72] fib6_rule_lookup+0x456/0x630 [ 4726.267491][ T72] ip6_route_input+0x59c/0xa50 [ 4726.267491][ T72] ipv6_rcv+0x397/0x810 [ 4726.267491][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4726.267491][ T72] process_backlog+0x101/0x620 [ 4726.267491][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4726.267491][ T72] net_rx_action+0x495/0xbe0 [ 4726.267491][ T72] __do_softirq+0x1b5/0x7f6 [ 4726.267491][ T72] [ 4726.269304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4726.269304][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.269304][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.269304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.269304][ T72] ip6_route_add+0x1c/0x140 [ 4726.269304][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4726.269304][ T72] inet6_addr_add+0x4f8/0xa40 [ 4726.269304][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.269304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.269304][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.269304][ T72] netlink_unicast+0x449/0x710 [ 4726.269304][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.269304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.269304][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.269304][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.269304][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.269304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.269304][ T72] [ 4726.271514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4726.271514][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.271514][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.271514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.271514][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4726.271514][ T72] ipv6_add_addr+0x411/0x2000 [ 4726.271514][ T72] inet6_addr_add+0x30e/0xa40 [ 4726.271514][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.271514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.271514][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.271514][ T72] netlink_unicast+0x449/0x710 [ 4726.271514][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.271514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.271514][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.271514][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.271514][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.271514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.271514][ T72] [ 4726.273733][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4726.273733][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.273733][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.273733][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.273733][ T72] ip6_route_add+0x1c/0x140 [ 4726.273733][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4726.273733][ T72] addrconf_add_dev+0xe2/0x170 [ 4726.273733][ T72] inet6_addr_add+0x12f/0xa40 [ 4726.273733][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.273733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.273733][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.273733][ T72] netlink_unicast+0x449/0x710 [ 4726.273733][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.273733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.273733][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.273733][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.273733][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.273733][ T72] [ 4726.275901][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4726.275901][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4726.275901][ T72] ipv6_find_idev+0x102/0x170 [ 4726.275901][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.275901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.275901][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.275901][ T72] netlink_unicast+0x449/0x710 [ 4726.275901][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.275901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.275901][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.275901][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.275901][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.275901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.275901][ T72] [ 4726.277608][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4726.277608][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4726.277608][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4726.277608][ T72] ipv6_find_idev+0x102/0x170 [ 4726.277608][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.277608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.277608][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.277608][ T72] netlink_unicast+0x449/0x710 [ 4726.277608][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.277608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.277608][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.277608][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.277608][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.277608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.277608][ T72] [ 4726.279469][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4726.279766][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4726.279766][ T72] dst_init+0x84/0x4a0 [ 4726.279766][ T72] dst_alloc+0x97/0x150 [ 4726.279766][ T72] ip6_dst_alloc+0x23/0x90 [ 4726.279766][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4726.279766][ T72] ip6_pol_route+0x56f/0x840 [ 4726.279766][ T72] fib6_rule_lookup+0x456/0x630 [ 4726.279766][ T72] ip6_route_input+0x59c/0xa50 [ 4726.279766][ T72] ipv6_rcv+0x397/0x810 [ 4726.279766][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4726.279766][ T72] process_backlog+0x101/0x620 [ 4726.279766][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4726.279766][ T72] net_rx_action+0x495/0xbe0 [ 4726.279766][ T72] __do_softirq+0x1b5/0x7f6 [ 4726.279766][ T72] [ 4726.281578][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4726.281578][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.281578][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.281578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.281578][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4726.281578][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4726.281578][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4726.281578][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4726.281578][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4726.281578][ T72] addrconf_dad_begin+0x310/0x670 [ 4726.281578][ T72] addrconf_dad_work+0x10b/0xab0 [ 4726.281578][ T72] process_one_work+0x84d/0x18a0 [ 4726.281578][ T72] worker_thread+0x587/0xd30 [ 4726.281578][ T72] kthread+0x28a/0x350 [ 4726.281578][ T72] ret_from_fork+0x31/0x70 [ 4726.281578][ T72] ret_from_fork_asm+0x1a/0x30 [ 4726.281578][ T72] [ 4726.283688][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4726.283688][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.283688][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.283688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.283688][ T72] ip6_route_add+0x1c/0x140 [ 4726.283688][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4726.283688][ T72] inet6_addr_add+0x4f8/0xa40 [ 4726.283688][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.283688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.283688][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.283688][ T72] netlink_unicast+0x449/0x710 [ 4726.283688][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.283688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.283688][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.283688][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.283688][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.283688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.283688][ T72] [ 4726.285897][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4726.285897][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.285897][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.285897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.285897][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4726.285897][ T72] ipv6_add_addr+0x411/0x2000 [ 4726.285897][ T72] inet6_addr_add+0x30e/0xa40 [ 4726.285897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.285897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.285897][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.285897][ T72] netlink_unicast+0x449/0x710 [ 4726.285897][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.285897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.285897][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.285897][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.285897][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.285897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.285897][ T72] [ 4726.288116][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4726.288116][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.288116][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.288116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.288116][ T72] ip6_route_add+0x1c/0x140 [ 4726.288116][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4726.288116][ T72] addrconf_add_dev+0xe2/0x170 [ 4726.288116][ T72] inet6_addr_add+0x12f/0xa40 [ 4726.288116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.288116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.288116][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.288116][ T72] netlink_unicast+0x449/0x710 [ 4726.288116][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.288116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.288116][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.288116][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.288116][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.288116][ T72] [ 4726.290290][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4726.290290][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4726.290290][ T72] ipv6_find_idev+0x102/0x170 [ 4726.290290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.290290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.290290][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.290290][ T72] netlink_unicast+0x449/0x710 [ 4726.290290][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.290290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.290290][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.290290][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.290290][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.290290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.290290][ T72] [ 4726.292004][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4726.292004][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4726.292004][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4726.292004][ T72] ipv6_find_idev+0x102/0x170 [ 4726.292004][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.292004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.292004][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.292004][ T72] netlink_unicast+0x449/0x710 [ 4726.292004][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.292004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.292004][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.292004][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.292004][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.292004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.292004][ T72] [ 4726.293994][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4726.294290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4726.294290][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4726.294290][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4726.294290][ T72] fib6_nh_init+0xa22/0x1580 [ 4726.294290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.294290][ T72] ip6_route_add+0x1c/0x140 [ 4726.294290][ T72] inet6_rtm_newroute+0x104/0x110 [ 4726.294290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.294290][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.294290][ T72] netlink_unicast+0x449/0x710 [ 4726.294290][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.294290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.294290][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.294290][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.294290][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.294290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.294290][ T72] [ 4726.296679][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4726.296679][ T72] dst_init+0x84/0x4a0 [ 4726.296679][ T72] dst_alloc+0x97/0x150 [ 4726.296679][ T72] ip6_dst_alloc+0x23/0x90 [ 4726.296679][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4726.296679][ T72] ip6_pol_route+0x56f/0x840 [ 4726.296679][ T72] fib6_rule_lookup+0x456/0x630 [ 4726.296679][ T72] ip6_route_input+0x59c/0xa50 [ 4726.296679][ T72] ipv6_rcv+0x397/0x810 [ 4726.296679][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4726.296679][ T72] process_backlog+0x101/0x620 [ 4726.296679][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4726.296679][ T72] net_rx_action+0x495/0xbe0 [ 4726.296679][ T72] __do_softirq+0x1b5/0x7f6 [ 4726.296679][ T72] [ 4726.298661][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4726.298661][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.298661][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.298661][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.298661][ T72] ip6_route_add+0x1c/0x140 [ 4726.298661][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4726.298661][ T72] inet6_addr_add+0x4f8/0xa40 [ 4726.298661][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.298661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.298661][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.298661][ T72] netlink_unicast+0x449/0x710 [ 4726.298661][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.298661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.298661][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.298661][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.298661][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.298661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.298661][ T72] [ 4726.301072][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4726.301072][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.301072][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.301072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.301072][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4726.301072][ T72] ipv6_add_addr+0x411/0x2000 [ 4726.301072][ T72] inet6_addr_add+0x30e/0xa40 [ 4726.301072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.301072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.301072][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.301072][ T72] netlink_unicast+0x449/0x710 [ 4726.301072][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.301072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.301072][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.301072][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.301072][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.301072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.301072][ T72] [ 4726.303479][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4726.303479][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.303479][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.303479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.303479][ T72] ip6_route_add+0x1c/0x140 [ 4726.303479][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4726.303479][ T72] addrconf_add_dev+0xe2/0x170 [ 4726.303479][ T72] inet6_addr_add+0x12f/0xa40 [ 4726.303479][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.303479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.303479][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.303479][ T72] netlink_unicast+0x449/0x710 [ 4726.303479][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.303479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.303479][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.303479][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.303479][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.303479][ T72] [ 4726.305947][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4726.305947][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4726.305947][ T72] ipv6_find_idev+0x102/0x170 [ 4726.305947][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.305947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.305947][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.305947][ T72] netlink_unicast+0x449/0x710 [ 4726.305947][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.305947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.305947][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.305947][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.305947][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.305947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.305947][ T72] [ 4726.307827][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4726.307827][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4726.307827][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4726.307827][ T72] ipv6_find_idev+0x102/0x170 [ 4726.307827][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.307827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.307827][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.307827][ T72] netlink_unicast+0x449/0x710 [ 4726.307827][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.307827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.307827][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.307827][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.307827][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.307827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.307827][ T72] [ 4726.309891][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4726.310244][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4726.310244][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.310244][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.310244][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.310244][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4726.310244][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4726.310244][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4726.310244][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4726.310244][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4726.310244][ T72] addrconf_dad_begin+0x310/0x670 [ 4726.310244][ T72] addrconf_dad_work+0x10b/0xab0 [ 4726.310244][ T72] process_one_work+0x84d/0x18a0 [ 4726.310244][ T72] worker_thread+0x587/0xd30 [ 4726.310244][ T72] kthread+0x28a/0x350 [ 4726.310244][ T72] ret_from_fork+0x31/0x70 [ 4726.310244][ T72] ret_from_fork_asm+0x1a/0x30 [ 4726.310244][ T72] [ 4726.312559][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4726.312559][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.312559][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.312559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.312559][ T72] ip6_route_add+0x1c/0x140 [ 4726.312559][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4726.312559][ T72] inet6_addr_add+0x4f8/0xa40 [ 4726.312559][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.312559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.312559][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.312559][ T72] netlink_unicast+0x449/0x710 [ 4726.312559][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.312559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.312559][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.312559][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.312559][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.312559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.312559][ T72] [ 4726.315008][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4726.315008][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.315008][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.315008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.315008][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4726.315008][ T72] ipv6_add_addr+0x411/0x2000 [ 4726.315008][ T72] inet6_addr_add+0x30e/0xa40 [ 4726.315008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.315008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.315008][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.315008][ T72] netlink_unicast+0x449/0x710 [ 4726.315008][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.315008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.315008][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.315008][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.315008][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.315008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.315008][ T72] [ 4726.317530][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4726.317530][ T72] netdev_get_by_index+0x5e/0x80 [ 4726.317530][ T72] fib6_nh_init+0x3d8/0x1580 [ 4726.317530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4726.317530][ T72] ip6_route_add+0x1c/0x140 [ 4726.317530][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4726.317530][ T72] addrconf_add_dev+0xe2/0x170 [ 4726.317530][ T72] inet6_addr_add+0x12f/0xa40 [ 4726.317530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.317530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.317530][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.317530][ T72] netlink_unicast+0x449/0x710 [ 4726.317530][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.317530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.317530][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.317530][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.317530][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.317530][ T72] [ 4726.319939][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4726.319939][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4726.319939][ T72] ipv6_find_idev+0x102/0x170 [ 4726.319939][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.319939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.319939][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.319939][ T72] netlink_unicast+0x449/0x710 [ 4726.319939][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.319939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.319939][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.319939][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.319939][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.319939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.319939][ T72] [ 4726.322342][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4726.322342][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4726.322342][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4726.322342][ T72] ipv6_find_idev+0x102/0x170 [ 4726.322342][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.322342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.322342][ T72] netlink_rcv_skb+0x130/0x360 [ 4726.322342][ T72] netlink_unicast+0x449/0x710 [ 4726.322342][ T72] netlink_sendmsg+0x723/0xbe0 [ 4726.322342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4726.322342][ T72] ___sys_sendmsg+0xee/0x170 [ 4726.322342][ T72] __sys_sendmsg+0xcd/0x170 [ 4726.322342][ T72] do_syscall_64+0xc6/0x1e0 [ 4726.322342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.322342][ T72] [ 4736.560975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4736.561501][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4736.561501][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4736.561501][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4736.561501][ T72] fib6_nh_init+0xa22/0x1580 [ 4736.561501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.561501][ T72] ip6_route_add+0x1c/0x140 [ 4736.561501][ T72] inet6_rtm_newroute+0x104/0x110 [ 4736.561501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.561501][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.561501][ T72] netlink_unicast+0x449/0x710 [ 4736.561501][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.561501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.561501][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.561501][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.561501][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.561501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.561501][ T72] [ 4736.563918][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4736.563918][ T72] dst_init+0x84/0x4a0 [ 4736.563918][ T72] dst_alloc+0x97/0x150 [ 4736.563918][ T72] ip6_dst_alloc+0x23/0x90 [ 4736.563918][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4736.563918][ T72] ip6_pol_route+0x56f/0x840 [ 4736.563918][ T72] fib6_rule_lookup+0x456/0x630 [ 4736.563918][ T72] ip6_route_input+0x59c/0xa50 [ 4736.563918][ T72] ipv6_rcv+0x397/0x810 [ 4736.563918][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4736.563918][ T72] process_backlog+0x101/0x620 [ 4736.563918][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4736.563918][ T72] net_rx_action+0x495/0xbe0 [ 4736.563918][ T72] __do_softirq+0x1b5/0x7f6 [ 4736.563918][ T72] [ 4736.565976][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4736.565976][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.565976][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.565976][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.565976][ T72] ip6_route_add+0x1c/0x140 [ 4736.565976][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4736.565976][ T72] inet6_addr_add+0x4f8/0xa40 [ 4736.565976][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.565976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.565976][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.565976][ T72] netlink_unicast+0x449/0x710 [ 4736.565976][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.565976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.565976][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.565976][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.565976][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.565976][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.565976][ T72] [ 4736.568478][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4736.568478][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.568478][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.568478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.568478][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4736.568478][ T72] ipv6_add_addr+0x411/0x2000 [ 4736.568478][ T72] inet6_addr_add+0x30e/0xa40 [ 4736.568478][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.568478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.568478][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.568478][ T72] netlink_unicast+0x449/0x710 [ 4736.568478][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.568478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.568478][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.568478][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.568478][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.568478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.568478][ T72] [ 4736.570924][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4736.570924][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.570924][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.570924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.570924][ T72] ip6_route_add+0x1c/0x140 [ 4736.570924][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4736.570924][ T72] addrconf_add_dev+0xe2/0x170 [ 4736.570924][ T72] inet6_addr_add+0x12f/0xa40 [ 4736.570924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.570924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.570924][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.570924][ T72] netlink_unicast+0x449/0x710 [ 4736.570924][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.570924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.570924][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.570924][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.570924][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.570924][ T72] [ 4736.573398][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4736.573398][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4736.573398][ T72] ipv6_find_idev+0x102/0x170 [ 4736.573398][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.573398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.573398][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.573398][ T72] netlink_unicast+0x449/0x710 [ 4736.573398][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.573398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.573398][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.573398][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.573398][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.573398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.573398][ T72] [ 4736.575307][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4736.575307][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4736.575307][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4736.575307][ T72] ipv6_find_idev+0x102/0x170 [ 4736.575307][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.575307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.575307][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.575307][ T72] netlink_unicast+0x449/0x710 [ 4736.575307][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.575307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.575307][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.575307][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.575307][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.575307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.575307][ T72] [ 4736.577451][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4736.577774][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4736.577774][ T72] dst_init+0x84/0x4a0 [ 4736.577774][ T72] dst_alloc+0x97/0x150 [ 4736.577774][ T72] ip6_dst_alloc+0x23/0x90 [ 4736.577774][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4736.577774][ T72] ip6_pol_route+0x56f/0x840 [ 4736.577774][ T72] fib6_rule_lookup+0x456/0x630 [ 4736.577774][ T72] ip6_route_input+0x59c/0xa50 [ 4736.577774][ T72] ipv6_rcv+0x397/0x810 [ 4736.577774][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4736.577774][ T72] process_backlog+0x101/0x620 [ 4736.577774][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4736.577774][ T72] net_rx_action+0x495/0xbe0 [ 4736.577774][ T72] __do_softirq+0x1b5/0x7f6 [ 4736.577774][ T72] [ 4736.579814][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4736.579814][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.579814][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.579814][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.579814][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4736.579814][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4736.579814][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4736.579814][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4736.579814][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4736.579814][ T72] addrconf_dad_begin+0x310/0x670 [ 4736.579814][ T72] addrconf_dad_work+0x10b/0xab0 [ 4736.579814][ T72] process_one_work+0x84d/0x18a0 [ 4736.579814][ T72] worker_thread+0x587/0xd30 [ 4736.579814][ T72] kthread+0x28a/0x350 [ 4736.579814][ T72] ret_from_fork+0x31/0x70 [ 4736.579814][ T72] ret_from_fork_asm+0x1a/0x30 [ 4736.579814][ T72] [ 4736.582188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4736.582188][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.582188][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.582188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.582188][ T72] ip6_route_add+0x1c/0x140 [ 4736.582188][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4736.582188][ T72] inet6_addr_add+0x4f8/0xa40 [ 4736.582188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.582188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.582188][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.582188][ T72] netlink_unicast+0x449/0x710 [ 4736.582188][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.582188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.582188][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.582188][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.582188][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.582188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.582188][ T72] [ 4736.585216][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4736.585216][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.585216][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.585216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.585216][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4736.585216][ T72] ipv6_add_addr+0x411/0x2000 [ 4736.585216][ T72] inet6_addr_add+0x30e/0xa40 [ 4736.585216][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.585216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.585216][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.585216][ T72] netlink_unicast+0x449/0x710 [ 4736.585216][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.585216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.585216][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.585216][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.585216][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.585216][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.585216][ T72] [ 4736.587707][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4736.587707][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.587707][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.587707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.587707][ T72] ip6_route_add+0x1c/0x140 [ 4736.587707][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4736.587707][ T72] addrconf_add_dev+0xe2/0x170 [ 4736.587707][ T72] inet6_addr_add+0x12f/0xa40 [ 4736.587707][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.587707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.587707][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.587707][ T72] netlink_unicast+0x449/0x710 [ 4736.587707][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.587707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.587707][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.587707][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.587707][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.587707][ T72] [ 4736.590514][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4736.590514][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4736.590514][ T72] ipv6_find_idev+0x102/0x170 [ 4736.590514][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.590514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.590514][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.590514][ T72] netlink_unicast+0x449/0x710 [ 4736.590514][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.590514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.590514][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.590514][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.590514][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.590514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.590514][ T72] [ 4736.592417][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4736.592417][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4736.592417][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4736.592417][ T72] ipv6_find_idev+0x102/0x170 [ 4736.592417][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.592417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.592417][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.592417][ T72] netlink_unicast+0x449/0x710 [ 4736.592417][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.592417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.592417][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.592417][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.592417][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.592417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.592417][ T72] [ 4736.594604][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4736.595001][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4736.595001][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4736.595001][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4736.595001][ T72] fib6_nh_init+0xa22/0x1580 [ 4736.595001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.595001][ T72] ip6_route_add+0x1c/0x140 [ 4736.595001][ T72] inet6_rtm_newroute+0x104/0x110 [ 4736.595001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.595001][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.595001][ T72] netlink_unicast+0x449/0x710 [ 4736.595001][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.595001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.595001][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.595001][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.595001][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.595001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.595001][ T72] [ 4736.597617][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4736.597617][ T72] dst_init+0x84/0x4a0 [ 4736.597617][ T72] dst_alloc+0x97/0x150 [ 4736.597617][ T72] ip6_dst_alloc+0x23/0x90 [ 4736.597617][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4736.597617][ T72] ip6_pol_route+0x56f/0x840 [ 4736.597617][ T72] fib6_rule_lookup+0x456/0x630 [ 4736.597617][ T72] ip6_route_input+0x59c/0xa50 [ 4736.597617][ T72] ipv6_rcv+0x397/0x810 [ 4736.597617][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4736.597617][ T72] process_backlog+0x101/0x620 [ 4736.597617][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4736.597617][ T72] net_rx_action+0x495/0xbe0 [ 4736.597617][ T72] __do_softirq+0x1b5/0x7f6 [ 4736.597617][ T72] [ 4736.599831][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4736.599831][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.599831][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.599831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.599831][ T72] ip6_route_add+0x1c/0x140 [ 4736.599831][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4736.599831][ T72] inet6_addr_add+0x4f8/0xa40 [ 4736.599831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.599831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.599831][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.599831][ T72] netlink_unicast+0x449/0x710 [ 4736.599831][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.599831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.599831][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.599831][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.599831][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.599831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.599831][ T72] [ 4736.602528][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4736.602528][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.602528][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.602528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.602528][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4736.602528][ T72] ipv6_add_addr+0x411/0x2000 [ 4736.602528][ T72] inet6_addr_add+0x30e/0xa40 [ 4736.602528][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.602528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.602528][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.602528][ T72] netlink_unicast+0x449/0x710 [ 4736.602528][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.602528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.602528][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.602528][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.602528][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.602528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.602528][ T72] [ 4736.605279][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4736.605279][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.605279][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.605279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.605279][ T72] ip6_route_add+0x1c/0x140 [ 4736.605279][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4736.605279][ T72] addrconf_add_dev+0xe2/0x170 [ 4736.605279][ T72] inet6_addr_add+0x12f/0xa40 [ 4736.605279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.605279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.605279][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.605279][ T72] netlink_unicast+0x449/0x710 [ 4736.605279][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.605279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.605279][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.605279][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.605279][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.605279][ T72] [ 4736.608010][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4736.608010][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4736.608010][ T72] ipv6_find_idev+0x102/0x170 [ 4736.608010][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.608010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.608010][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.608010][ T72] netlink_unicast+0x449/0x710 [ 4736.608010][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.608010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.608010][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.608010][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.608010][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.608010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.608010][ T72] [ 4736.610113][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4736.610113][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4736.610113][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4736.610113][ T72] ipv6_find_idev+0x102/0x170 [ 4736.610113][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.610113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.610113][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.610113][ T72] netlink_unicast+0x449/0x710 [ 4736.610113][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.610113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.610113][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.610113][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.610113][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.610113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.610113][ T72] [ 4736.612374][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4736.612715][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4736.612715][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.612715][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.612715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.612715][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4736.612715][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4736.612715][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4736.612715][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4736.612715][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4736.612715][ T72] addrconf_dad_begin+0x310/0x670 [ 4736.612715][ T72] addrconf_dad_work+0x10b/0xab0 [ 4736.612715][ T72] process_one_work+0x84d/0x18a0 [ 4736.612715][ T72] worker_thread+0x587/0xd30 [ 4736.612715][ T72] kthread+0x28a/0x350 [ 4736.612715][ T72] ret_from_fork+0x31/0x70 [ 4736.612715][ T72] ret_from_fork_asm+0x1a/0x30 [ 4736.612715][ T72] [ 4736.615316][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4736.615316][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.615316][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.615316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.615316][ T72] ip6_route_add+0x1c/0x140 [ 4736.615316][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4736.615316][ T72] inet6_addr_add+0x4f8/0xa40 [ 4736.615316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.615316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.615316][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.615316][ T72] netlink_unicast+0x449/0x710 [ 4736.615316][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.615316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.615316][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.615316][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.615316][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.615316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.615316][ T72] [ 4736.618037][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4736.618037][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.618037][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.618037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.618037][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4736.618037][ T72] ipv6_add_addr+0x411/0x2000 [ 4736.618037][ T72] inet6_addr_add+0x30e/0xa40 [ 4736.618037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.618037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.618037][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.618037][ T72] netlink_unicast+0x449/0x710 [ 4736.618037][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.618037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.618037][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.618037][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.618037][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.618037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.618037][ T72] [ 4736.620806][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4736.620806][ T72] netdev_get_by_index+0x5e/0x80 [ 4736.620806][ T72] fib6_nh_init+0x3d8/0x1580 [ 4736.620806][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4736.620806][ T72] ip6_route_add+0x1c/0x140 [ 4736.620806][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4736.620806][ T72] addrconf_add_dev+0xe2/0x170 [ 4736.620806][ T72] inet6_addr_add+0x12f/0xa40 [ 4736.620806][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.620806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.620806][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.620806][ T72] netlink_unicast+0x449/0x710 [ 4736.620806][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.620806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.620806][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.620806][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.620806][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.620806][ T72] [ 4736.623420][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4736.623420][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4736.623420][ T72] ipv6_find_idev+0x102/0x170 [ 4736.623420][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.623420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.623420][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.623420][ T72] netlink_unicast+0x449/0x710 [ 4736.623420][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.623420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.623420][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.623420][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.623420][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.623420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.623420][ T72] [ 4736.625525][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4736.625525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4736.625525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4736.625525][ T72] ipv6_find_idev+0x102/0x170 [ 4736.625525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.625525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.625525][ T72] netlink_rcv_skb+0x130/0x360 [ 4736.625525][ T72] netlink_unicast+0x449/0x710 [ 4736.625525][ T72] netlink_sendmsg+0x723/0xbe0 [ 4736.625525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4736.625525][ T72] ___sys_sendmsg+0xee/0x170 [ 4736.625525][ T72] __sys_sendmsg+0xcd/0x170 [ 4736.625525][ T72] do_syscall_64+0xc6/0x1e0 [ 4736.625525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.625525][ T72] [ 4746.864939][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4746.865455][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4746.865455][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4746.865455][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4746.865455][ T72] fib6_nh_init+0xa22/0x1580 [ 4746.865455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.865455][ T72] ip6_route_add+0x1c/0x140 [ 4746.865455][ T72] inet6_rtm_newroute+0x104/0x110 [ 4746.865455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.865455][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.865455][ T72] netlink_unicast+0x449/0x710 [ 4746.865455][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.865455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.865455][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.865455][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.865455][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.865455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.865455][ T72] [ 4746.867808][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4746.867808][ T72] dst_init+0x84/0x4a0 [ 4746.867808][ T72] dst_alloc+0x97/0x150 [ 4746.867808][ T72] ip6_dst_alloc+0x23/0x90 [ 4746.867808][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4746.867808][ T72] ip6_pol_route+0x56f/0x840 [ 4746.867808][ T72] fib6_rule_lookup+0x456/0x630 [ 4746.867808][ T72] ip6_route_input+0x59c/0xa50 [ 4746.867808][ T72] ipv6_rcv+0x397/0x810 [ 4746.867808][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4746.867808][ T72] process_backlog+0x101/0x620 [ 4746.867808][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4746.867808][ T72] net_rx_action+0x495/0xbe0 [ 4746.867808][ T72] __do_softirq+0x1b5/0x7f6 [ 4746.867808][ T72] [ 4746.869837][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4746.869837][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.869837][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.869837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.869837][ T72] ip6_route_add+0x1c/0x140 [ 4746.869837][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4746.869837][ T72] inet6_addr_add+0x4f8/0xa40 [ 4746.869837][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.869837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.869837][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.869837][ T72] netlink_unicast+0x449/0x710 [ 4746.869837][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.869837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.869837][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.869837][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.869837][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.869837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.869837][ T72] [ 4746.872312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4746.872312][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.872312][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.872312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.872312][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4746.872312][ T72] ipv6_add_addr+0x411/0x2000 [ 4746.872312][ T72] inet6_addr_add+0x30e/0xa40 [ 4746.872312][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.872312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.872312][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.872312][ T72] netlink_unicast+0x449/0x710 [ 4746.872312][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.872312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.872312][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.872312][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.872312][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.872312][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.872312][ T72] [ 4746.874785][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4746.874785][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.874785][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.874785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.874785][ T72] ip6_route_add+0x1c/0x140 [ 4746.874785][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4746.874785][ T72] addrconf_add_dev+0xe2/0x170 [ 4746.874785][ T72] inet6_addr_add+0x12f/0xa40 [ 4746.874785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.874785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.874785][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.874785][ T72] netlink_unicast+0x449/0x710 [ 4746.874785][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.874785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.874785][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.874785][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.874785][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.874785][ T72] [ 4746.877233][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4746.877233][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4746.877233][ T72] ipv6_find_idev+0x102/0x170 [ 4746.877233][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.877233][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.877233][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.877233][ T72] netlink_unicast+0x449/0x710 [ 4746.877233][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.877233][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.877233][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.877233][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.877233][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.877233][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.877233][ T72] [ 4746.879133][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4746.879133][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4746.879133][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4746.879133][ T72] ipv6_find_idev+0x102/0x170 [ 4746.879133][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.879133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.879133][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.879133][ T72] netlink_unicast+0x449/0x710 [ 4746.879133][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.879133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.879133][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.879133][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.879133][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.879133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.879133][ T72] [ 4746.881228][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4746.881563][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4746.881563][ T72] dst_init+0x84/0x4a0 [ 4746.881563][ T72] dst_alloc+0x97/0x150 [ 4746.881563][ T72] ip6_dst_alloc+0x23/0x90 [ 4746.881563][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4746.881563][ T72] ip6_pol_route+0x56f/0x840 [ 4746.881563][ T72] fib6_rule_lookup+0x456/0x630 [ 4746.881563][ T72] ip6_route_input+0x59c/0xa50 [ 4746.881563][ T72] ipv6_rcv+0x397/0x810 [ 4746.881563][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4746.881563][ T72] process_backlog+0x101/0x620 [ 4746.881563][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4746.881563][ T72] net_rx_action+0x495/0xbe0 [ 4746.881563][ T72] __do_softirq+0x1b5/0x7f6 [ 4746.881563][ T72] [ 4746.883571][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4746.883571][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.883571][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.883571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.883571][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4746.883571][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4746.883571][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4746.883571][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4746.883571][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4746.883571][ T72] addrconf_dad_begin+0x310/0x670 [ 4746.883571][ T72] addrconf_dad_work+0x10b/0xab0 [ 4746.883571][ T72] process_one_work+0x84d/0x18a0 [ 4746.883571][ T72] worker_thread+0x587/0xd30 [ 4746.883571][ T72] kthread+0x28a/0x350 [ 4746.883571][ T72] ret_from_fork+0x31/0x70 [ 4746.883571][ T72] ret_from_fork_asm+0x1a/0x30 [ 4746.883571][ T72] [ 4746.885907][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4746.885907][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.885907][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.885907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.885907][ T72] ip6_route_add+0x1c/0x140 [ 4746.885907][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4746.885907][ T72] inet6_addr_add+0x4f8/0xa40 [ 4746.885907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.885907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.885907][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.885907][ T72] netlink_unicast+0x449/0x710 [ 4746.885907][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.885907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.885907][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.885907][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.885907][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.885907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.885907][ T72] [ 4746.888379][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4746.888379][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.888379][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.888379][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.888379][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4746.888379][ T72] ipv6_add_addr+0x411/0x2000 [ 4746.888379][ T72] inet6_addr_add+0x30e/0xa40 [ 4746.888379][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.888379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.888379][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.888379][ T72] netlink_unicast+0x449/0x710 [ 4746.888379][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.888379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.888379][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.888379][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.888379][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.888379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.888379][ T72] [ 4746.890860][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4746.890860][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.890860][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.890860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.890860][ T72] ip6_route_add+0x1c/0x140 [ 4746.890860][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4746.890860][ T72] addrconf_add_dev+0xe2/0x170 [ 4746.890860][ T72] inet6_addr_add+0x12f/0xa40 [ 4746.890860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.890860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.890860][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.890860][ T72] netlink_unicast+0x449/0x710 [ 4746.890860][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.890860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.890860][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.890860][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.890860][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.890860][ T72] [ 4746.893290][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4746.893290][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4746.893290][ T72] ipv6_find_idev+0x102/0x170 [ 4746.893290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.893290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.893290][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.893290][ T72] netlink_unicast+0x449/0x710 [ 4746.893290][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.893290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.893290][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.893290][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.893290][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.893290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.893290][ T72] [ 4746.895193][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4746.895193][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4746.895193][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4746.895193][ T72] ipv6_find_idev+0x102/0x170 [ 4746.895193][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.895193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.895193][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.895193][ T72] netlink_unicast+0x449/0x710 [ 4746.895193][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.895193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.895193][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.895193][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.895193][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.895193][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.895193][ T72] [ 4746.897348][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4746.897730][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4746.897730][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4746.897730][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4746.897730][ T72] fib6_nh_init+0xa22/0x1580 [ 4746.897730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.897730][ T72] ip6_route_add+0x1c/0x140 [ 4746.897730][ T72] inet6_rtm_newroute+0x104/0x110 [ 4746.897730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.897730][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.897730][ T72] netlink_unicast+0x449/0x710 [ 4746.897730][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.897730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.897730][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.897730][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.897730][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.897730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.897730][ T72] [ 4746.900294][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4746.900294][ T72] dst_init+0x84/0x4a0 [ 4746.900294][ T72] dst_alloc+0x97/0x150 [ 4746.900294][ T72] ip6_dst_alloc+0x23/0x90 [ 4746.900294][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4746.900294][ T72] ip6_pol_route+0x56f/0x840 [ 4746.900294][ T72] fib6_rule_lookup+0x456/0x630 [ 4746.900294][ T72] ip6_route_input+0x59c/0xa50 [ 4746.900294][ T72] ipv6_rcv+0x397/0x810 [ 4746.900294][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4746.900294][ T72] process_backlog+0x101/0x620 [ 4746.900294][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4746.900294][ T72] net_rx_action+0x495/0xbe0 [ 4746.900294][ T72] __do_softirq+0x1b5/0x7f6 [ 4746.900294][ T72] [ 4746.902491][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4746.902491][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.902491][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.902491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.902491][ T72] ip6_route_add+0x1c/0x140 [ 4746.902491][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4746.902491][ T72] inet6_addr_add+0x4f8/0xa40 [ 4746.902491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.902491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.902491][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.902491][ T72] netlink_unicast+0x449/0x710 [ 4746.902491][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.902491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.902491][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.902491][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.902491][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.902491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.902491][ T72] [ 4746.905213][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4746.905213][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.905213][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.905213][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.905213][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4746.905213][ T72] ipv6_add_addr+0x411/0x2000 [ 4746.905213][ T72] inet6_addr_add+0x30e/0xa40 [ 4746.905213][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.905213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.905213][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.905213][ T72] netlink_unicast+0x449/0x710 [ 4746.905213][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.905213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.905213][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.905213][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.905213][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.905213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.905213][ T72] [ 4746.907924][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4746.907924][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.907924][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.907924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.907924][ T72] ip6_route_add+0x1c/0x140 [ 4746.907924][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4746.907924][ T72] addrconf_add_dev+0xe2/0x170 [ 4746.907924][ T72] inet6_addr_add+0x12f/0xa40 [ 4746.907924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.907924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.907924][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.907924][ T72] netlink_unicast+0x449/0x710 [ 4746.907924][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.907924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.907924][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.907924][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.907924][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.907924][ T72] [ 4746.910675][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4746.910675][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4746.910675][ T72] ipv6_find_idev+0x102/0x170 [ 4746.910675][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.910675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.910675][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.910675][ T72] netlink_unicast+0x449/0x710 [ 4746.910675][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.910675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.910675][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.910675][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.910675][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.910675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.910675][ T72] [ 4746.912725][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4746.912725][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4746.912725][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4746.912725][ T72] ipv6_find_idev+0x102/0x170 [ 4746.912725][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.912725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.912725][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.912725][ T72] netlink_unicast+0x449/0x710 [ 4746.912725][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.912725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.912725][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.912725][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.912725][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.912725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.912725][ T72] [ 4746.914977][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4746.915310][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4746.915310][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.915310][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.915310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.915310][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4746.915310][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4746.915310][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4746.915310][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4746.915310][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4746.915310][ T72] addrconf_dad_begin+0x310/0x670 [ 4746.915310][ T72] addrconf_dad_work+0x10b/0xab0 [ 4746.915310][ T72] process_one_work+0x84d/0x18a0 [ 4746.915310][ T72] worker_thread+0x587/0xd30 [ 4746.915310][ T72] kthread+0x28a/0x350 [ 4746.915310][ T72] ret_from_fork+0x31/0x70 [ 4746.915310][ T72] ret_from_fork_asm+0x1a/0x30 [ 4746.915310][ T72] [ 4746.917745][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4746.917745][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.917745][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.917745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.917745][ T72] ip6_route_add+0x1c/0x140 [ 4746.917745][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4746.917745][ T72] inet6_addr_add+0x4f8/0xa40 [ 4746.917745][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.917745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.917745][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.917745][ T72] netlink_unicast+0x449/0x710 [ 4746.917745][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.917745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.917745][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.917745][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.917745][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.917745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.917745][ T72] [ 4746.920367][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4746.920367][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.920367][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.920367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.920367][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4746.920367][ T72] ipv6_add_addr+0x411/0x2000 [ 4746.920367][ T72] inet6_addr_add+0x30e/0xa40 [ 4746.920367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.920367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.920367][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.920367][ T72] netlink_unicast+0x449/0x710 [ 4746.920367][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.920367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.920367][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.920367][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.920367][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.920367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.920367][ T72] [ 4746.923053][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4746.923053][ T72] netdev_get_by_index+0x5e/0x80 [ 4746.923053][ T72] fib6_nh_init+0x3d8/0x1580 [ 4746.923053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4746.923053][ T72] ip6_route_add+0x1c/0x140 [ 4746.923053][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4746.923053][ T72] addrconf_add_dev+0xe2/0x170 [ 4746.923053][ T72] inet6_addr_add+0x12f/0xa40 [ 4746.923053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.923053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.923053][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.923053][ T72] netlink_unicast+0x449/0x710 [ 4746.923053][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.923053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.923053][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.923053][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.923053][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.923053][ T72] [ 4746.925552][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4746.925552][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4746.925552][ T72] ipv6_find_idev+0x102/0x170 [ 4746.925552][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.925552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.925552][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.925552][ T72] netlink_unicast+0x449/0x710 [ 4746.925552][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.925552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.925552][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.925552][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.925552][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.925552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.925552][ T72] [ 4746.927527][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4746.927527][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4746.927527][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4746.927527][ T72] ipv6_find_idev+0x102/0x170 [ 4746.927527][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.927527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.927527][ T72] netlink_rcv_skb+0x130/0x360 [ 4746.927527][ T72] netlink_unicast+0x449/0x710 [ 4746.927527][ T72] netlink_sendmsg+0x723/0xbe0 [ 4746.927527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4746.927527][ T72] ___sys_sendmsg+0xee/0x170 [ 4746.927527][ T72] __sys_sendmsg+0xcd/0x170 [ 4746.927527][ T72] do_syscall_64+0xc6/0x1e0 [ 4746.927527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.927527][ T72] [ 4757.120947][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4757.121446][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4757.121446][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4757.121446][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4757.121446][ T72] fib6_nh_init+0xa22/0x1580 [ 4757.121446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.121446][ T72] ip6_route_add+0x1c/0x140 [ 4757.121446][ T72] inet6_rtm_newroute+0x104/0x110 [ 4757.121446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.121446][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.121446][ T72] netlink_unicast+0x449/0x710 [ 4757.121446][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.121446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.121446][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.121446][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.121446][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.121446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.121446][ T72] [ 4757.123813][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4757.123813][ T72] dst_init+0x84/0x4a0 [ 4757.123813][ T72] dst_alloc+0x97/0x150 [ 4757.123813][ T72] ip6_dst_alloc+0x23/0x90 [ 4757.123813][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4757.123813][ T72] ip6_pol_route+0x56f/0x840 [ 4757.123813][ T72] fib6_rule_lookup+0x456/0x630 [ 4757.123813][ T72] ip6_route_input+0x59c/0xa50 [ 4757.123813][ T72] ipv6_rcv+0x397/0x810 [ 4757.123813][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4757.123813][ T72] process_backlog+0x101/0x620 [ 4757.123813][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4757.123813][ T72] net_rx_action+0x495/0xbe0 [ 4757.123813][ T72] __do_softirq+0x1b5/0x7f6 [ 4757.123813][ T72] [ 4757.125861][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4757.125861][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.125861][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.125861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.125861][ T72] ip6_route_add+0x1c/0x140 [ 4757.125861][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4757.125861][ T72] inet6_addr_add+0x4f8/0xa40 [ 4757.125861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.125861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.125861][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.125861][ T72] netlink_unicast+0x449/0x710 [ 4757.125861][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.125861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.125861][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.125861][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.125861][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.125861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.125861][ T72] [ 4757.128354][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4757.128354][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.128354][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.128354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.128354][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4757.128354][ T72] ipv6_add_addr+0x411/0x2000 [ 4757.128354][ T72] inet6_addr_add+0x30e/0xa40 [ 4757.128354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.128354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.128354][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.128354][ T72] netlink_unicast+0x449/0x710 [ 4757.128354][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.128354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.128354][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.128354][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.128354][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.128354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.128354][ T72] [ 4757.130837][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4757.130837][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.130837][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.130837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.130837][ T72] ip6_route_add+0x1c/0x140 [ 4757.130837][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4757.130837][ T72] addrconf_add_dev+0xe2/0x170 [ 4757.130837][ T72] inet6_addr_add+0x12f/0xa40 [ 4757.130837][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.130837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.130837][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.130837][ T72] netlink_unicast+0x449/0x710 [ 4757.130837][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.130837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.130837][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.130837][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.130837][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.130837][ T72] [ 4757.133278][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4757.133278][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4757.133278][ T72] ipv6_find_idev+0x102/0x170 [ 4757.133278][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.133278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.133278][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.133278][ T72] netlink_unicast+0x449/0x710 [ 4757.133278][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.133278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.133278][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.133278][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.133278][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.133278][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.133278][ T72] [ 4757.135190][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4757.135190][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4757.135190][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4757.135190][ T72] ipv6_find_idev+0x102/0x170 [ 4757.135190][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.135190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.135190][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.135190][ T72] netlink_unicast+0x449/0x710 [ 4757.135190][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.135190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.135190][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.135190][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.135190][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.135190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.135190][ T72] [ 4757.137299][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4757.137634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4757.137634][ T72] dst_init+0x84/0x4a0 [ 4757.137634][ T72] dst_alloc+0x97/0x150 [ 4757.137634][ T72] ip6_dst_alloc+0x23/0x90 [ 4757.137634][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4757.137634][ T72] ip6_pol_route+0x56f/0x840 [ 4757.137634][ T72] fib6_rule_lookup+0x456/0x630 [ 4757.137634][ T72] ip6_route_input+0x59c/0xa50 [ 4757.137634][ T72] ipv6_rcv+0x397/0x810 [ 4757.137634][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4757.137634][ T72] process_backlog+0x101/0x620 [ 4757.137634][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4757.137634][ T72] net_rx_action+0x495/0xbe0 [ 4757.137634][ T72] __do_softirq+0x1b5/0x7f6 [ 4757.137634][ T72] [ 4757.139657][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4757.139657][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.139657][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.139657][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.139657][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4757.139657][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4757.139657][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4757.139657][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4757.139657][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4757.139657][ T72] addrconf_dad_begin+0x310/0x670 [ 4757.139657][ T72] addrconf_dad_work+0x10b/0xab0 [ 4757.139657][ T72] process_one_work+0x84d/0x18a0 [ 4757.139657][ T72] worker_thread+0x587/0xd30 [ 4757.139657][ T72] kthread+0x28a/0x350 [ 4757.139657][ T72] ret_from_fork+0x31/0x70 [ 4757.139657][ T72] ret_from_fork_asm+0x1a/0x30 [ 4757.139657][ T72] [ 4757.142020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4757.142020][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.142020][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.142020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.142020][ T72] ip6_route_add+0x1c/0x140 [ 4757.142020][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4757.142020][ T72] inet6_addr_add+0x4f8/0xa40 [ 4757.142020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.142020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.142020][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.142020][ T72] netlink_unicast+0x449/0x710 [ 4757.142020][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.142020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.142020][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.142020][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.142020][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.142020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.142020][ T72] [ 4757.144505][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4757.144505][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.144505][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.144505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.144505][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4757.144505][ T72] ipv6_add_addr+0x411/0x2000 [ 4757.144505][ T72] inet6_addr_add+0x30e/0xa40 [ 4757.144505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.144505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.144505][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.144505][ T72] netlink_unicast+0x449/0x710 [ 4757.144505][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.144505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.144505][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.144505][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.144505][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.144505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.144505][ T72] [ 4757.146997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4757.146997][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.146997][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.146997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.146997][ T72] ip6_route_add+0x1c/0x140 [ 4757.146997][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4757.146997][ T72] addrconf_add_dev+0xe2/0x170 [ 4757.146997][ T72] inet6_addr_add+0x12f/0xa40 [ 4757.146997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.146997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.146997][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.146997][ T72] netlink_unicast+0x449/0x710 [ 4757.146997][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.146997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.146997][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.146997][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.146997][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.146997][ T72] [ 4757.149430][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4757.149430][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4757.149430][ T72] ipv6_find_idev+0x102/0x170 [ 4757.149430][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.149430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.149430][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.149430][ T72] netlink_unicast+0x449/0x710 [ 4757.149430][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.149430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.149430][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.149430][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.149430][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.149430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.149430][ T72] [ 4757.151337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4757.151337][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4757.151337][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4757.151337][ T72] ipv6_find_idev+0x102/0x170 [ 4757.151337][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.151337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.151337][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.151337][ T72] netlink_unicast+0x449/0x710 [ 4757.151337][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.151337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.151337][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.151337][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.151337][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.151337][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.151337][ T72] [ 4757.153492][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4757.153898][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4757.153898][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4757.153898][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4757.153898][ T72] fib6_nh_init+0xa22/0x1580 [ 4757.153898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.153898][ T72] ip6_route_add+0x1c/0x140 [ 4757.153898][ T72] inet6_rtm_newroute+0x104/0x110 [ 4757.153898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.153898][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.153898][ T72] netlink_unicast+0x449/0x710 [ 4757.153898][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.153898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.153898][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.153898][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.153898][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.153898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.153898][ T72] [ 4757.156464][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4757.156464][ T72] dst_init+0x84/0x4a0 [ 4757.156464][ T72] dst_alloc+0x97/0x150 [ 4757.156464][ T72] ip6_dst_alloc+0x23/0x90 [ 4757.156464][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4757.156464][ T72] ip6_pol_route+0x56f/0x840 [ 4757.156464][ T72] fib6_rule_lookup+0x456/0x630 [ 4757.156464][ T72] ip6_route_input+0x59c/0xa50 [ 4757.156464][ T72] ipv6_rcv+0x397/0x810 [ 4757.156464][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4757.156464][ T72] process_backlog+0x101/0x620 [ 4757.156464][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4757.156464][ T72] net_rx_action+0x495/0xbe0 [ 4757.156464][ T72] __do_softirq+0x1b5/0x7f6 [ 4757.156464][ T72] [ 4757.158667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4757.158667][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.158667][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.158667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.158667][ T72] ip6_route_add+0x1c/0x140 [ 4757.158667][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4757.158667][ T72] inet6_addr_add+0x4f8/0xa40 [ 4757.158667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.158667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.158667][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.158667][ T72] netlink_unicast+0x449/0x710 [ 4757.158667][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.158667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.158667][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.158667][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.158667][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.158667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.158667][ T72] [ 4757.161371][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4757.161371][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.161371][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.161371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.161371][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4757.161371][ T72] ipv6_add_addr+0x411/0x2000 [ 4757.161371][ T72] inet6_addr_add+0x30e/0xa40 [ 4757.161371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.161371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.161371][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.161371][ T72] netlink_unicast+0x449/0x710 [ 4757.161371][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.161371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.161371][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.161371][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.161371][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.161371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.161371][ T72] [ 4757.164615][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4757.164615][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.164615][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.164615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.164615][ T72] ip6_route_add+0x1c/0x140 [ 4757.164615][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4757.164615][ T72] addrconf_add_dev+0xe2/0x170 [ 4757.164615][ T72] inet6_addr_add+0x12f/0xa40 [ 4757.164615][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.164615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.164615][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.164615][ T72] netlink_unicast+0x449/0x710 [ 4757.164615][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.164615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.164615][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.164615][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.164615][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.164615][ T72] [ 4757.167373][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4757.167373][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4757.167373][ T72] ipv6_find_idev+0x102/0x170 [ 4757.167373][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.167373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.167373][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.167373][ T72] netlink_unicast+0x449/0x710 [ 4757.167373][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.167373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.167373][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.167373][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.167373][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.167373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.167373][ T72] [ 4757.169457][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4757.169457][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4757.169457][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4757.169457][ T72] ipv6_find_idev+0x102/0x170 [ 4757.169457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.169457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.169457][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.169457][ T72] netlink_unicast+0x449/0x710 [ 4757.169457][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.169457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.169457][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.169457][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.169457][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.169457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.169457][ T72] [ 4757.171729][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4757.172128][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4757.172128][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.172128][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.172128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.172128][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4757.172128][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4757.172128][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4757.172128][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4757.172128][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4757.172128][ T72] addrconf_dad_begin+0x310/0x670 [ 4757.172128][ T72] addrconf_dad_work+0x10b/0xab0 [ 4757.172128][ T72] process_one_work+0x84d/0x18a0 [ 4757.172128][ T72] worker_thread+0x587/0xd30 [ 4757.172128][ T72] kthread+0x28a/0x350 [ 4757.172128][ T72] ret_from_fork+0x31/0x70 [ 4757.172128][ T72] ret_from_fork_asm+0x1a/0x30 [ 4757.172128][ T72] [ 4757.174684][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4757.174684][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.174684][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.174684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.174684][ T72] ip6_route_add+0x1c/0x140 [ 4757.174684][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4757.174684][ T72] inet6_addr_add+0x4f8/0xa40 [ 4757.174684][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.174684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.174684][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.174684][ T72] netlink_unicast+0x449/0x710 [ 4757.174684][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.174684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.174684][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.174684][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.174684][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.174684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.174684][ T72] [ 4757.177809][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4757.177809][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.177809][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.177809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.177809][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4757.177809][ T72] ipv6_add_addr+0x411/0x2000 [ 4757.177809][ T72] inet6_addr_add+0x30e/0xa40 [ 4757.177809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.177809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.177809][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.177809][ T72] netlink_unicast+0x449/0x710 [ 4757.177809][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.177809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.177809][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.177809][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.177809][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.177809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.177809][ T72] [ 4757.180594][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4757.180594][ T72] netdev_get_by_index+0x5e/0x80 [ 4757.180594][ T72] fib6_nh_init+0x3d8/0x1580 [ 4757.180594][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4757.180594][ T72] ip6_route_add+0x1c/0x140 [ 4757.180594][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4757.180594][ T72] addrconf_add_dev+0xe2/0x170 [ 4757.180594][ T72] inet6_addr_add+0x12f/0xa40 [ 4757.180594][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.180594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.180594][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.180594][ T72] netlink_unicast+0x449/0x710 [ 4757.180594][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.180594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.180594][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.180594][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.180594][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.180594][ T72] [ 4757.183269][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4757.183269][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4757.183269][ T72] ipv6_find_idev+0x102/0x170 [ 4757.183269][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.183269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.183269][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.183269][ T72] netlink_unicast+0x449/0x710 [ 4757.183269][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.183269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.183269][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.183269][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.183269][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.183269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.183269][ T72] [ 4757.185361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4757.185361][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4757.185361][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4757.185361][ T72] ipv6_find_idev+0x102/0x170 [ 4757.185361][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.185361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.185361][ T72] netlink_rcv_skb+0x130/0x360 [ 4757.185361][ T72] netlink_unicast+0x449/0x710 [ 4757.185361][ T72] netlink_sendmsg+0x723/0xbe0 [ 4757.185361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4757.185361][ T72] ___sys_sendmsg+0xee/0x170 [ 4757.185361][ T72] __sys_sendmsg+0xcd/0x170 [ 4757.185361][ T72] do_syscall_64+0xc6/0x1e0 [ 4757.185361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.185361][ T72] [ 4767.424888][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4767.425370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4767.425370][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4767.425370][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4767.425370][ T72] fib6_nh_init+0xa22/0x1580 [ 4767.425370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.425370][ T72] ip6_route_add+0x1c/0x140 [ 4767.425370][ T72] inet6_rtm_newroute+0x104/0x110 [ 4767.425370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.425370][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.425370][ T72] netlink_unicast+0x449/0x710 [ 4767.425370][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.425370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.425370][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.425370][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.425370][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.425370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.425370][ T72] [ 4767.427389][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4767.427389][ T72] dst_init+0x84/0x4a0 [ 4767.427389][ T72] dst_alloc+0x97/0x150 [ 4767.427389][ T72] ip6_dst_alloc+0x23/0x90 [ 4767.427389][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4767.427389][ T72] ip6_pol_route+0x56f/0x840 [ 4767.427389][ T72] fib6_rule_lookup+0x456/0x630 [ 4767.427389][ T72] ip6_route_input+0x59c/0xa50 [ 4767.427389][ T72] ipv6_rcv+0x397/0x810 [ 4767.427389][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4767.427389][ T72] process_backlog+0x101/0x620 [ 4767.427389][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4767.427389][ T72] net_rx_action+0x495/0xbe0 [ 4767.427389][ T72] __do_softirq+0x1b5/0x7f6 [ 4767.427389][ T72] [ 4767.429049][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4767.429049][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.429049][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.429049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.429049][ T72] ip6_route_add+0x1c/0x140 [ 4767.429049][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4767.429049][ T72] inet6_addr_add+0x4f8/0xa40 [ 4767.429049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.429049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.429049][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.429049][ T72] netlink_unicast+0x449/0x710 [ 4767.429049][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.429049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.429049][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.429049][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.429049][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.429049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.429049][ T72] [ 4767.431063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4767.431063][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.431063][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.431063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.431063][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4767.431063][ T72] ipv6_add_addr+0x411/0x2000 [ 4767.431063][ T72] inet6_addr_add+0x30e/0xa40 [ 4767.431063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.431063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.431063][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.431063][ T72] netlink_unicast+0x449/0x710 [ 4767.431063][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.431063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.431063][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.431063][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.431063][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.431063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.431063][ T72] [ 4767.433081][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4767.433081][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.433081][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.433081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.433081][ T72] ip6_route_add+0x1c/0x140 [ 4767.433081][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4767.433081][ T72] addrconf_add_dev+0xe2/0x170 [ 4767.433081][ T72] inet6_addr_add+0x12f/0xa40 [ 4767.433081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.433081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.433081][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.433081][ T72] netlink_unicast+0x449/0x710 [ 4767.433081][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.433081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.433081][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.433081][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.433081][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.433081][ T72] [ 4767.435069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4767.435069][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4767.435069][ T72] ipv6_find_idev+0x102/0x170 [ 4767.435069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.435069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.435069][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.435069][ T72] netlink_unicast+0x449/0x710 [ 4767.435069][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.435069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.435069][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.435069][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.435069][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.435069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.435069][ T72] [ 4767.436647][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4767.436647][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4767.436647][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4767.436647][ T72] ipv6_find_idev+0x102/0x170 [ 4767.436647][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.436647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.436647][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.436647][ T72] netlink_unicast+0x449/0x710 [ 4767.436647][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.436647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.436647][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.436647][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.436647][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.436647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.436647][ T72] [ 4767.438369][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4767.438648][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4767.438648][ T72] dst_init+0x84/0x4a0 [ 4767.438648][ T72] dst_alloc+0x97/0x150 [ 4767.438648][ T72] ip6_dst_alloc+0x23/0x90 [ 4767.438648][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4767.438648][ T72] ip6_pol_route+0x56f/0x840 [ 4767.438648][ T72] fib6_rule_lookup+0x456/0x630 [ 4767.438648][ T72] ip6_route_input+0x59c/0xa50 [ 4767.438648][ T72] ipv6_rcv+0x397/0x810 [ 4767.438648][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4767.438648][ T72] process_backlog+0x101/0x620 [ 4767.438648][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4767.438648][ T72] net_rx_action+0x495/0xbe0 [ 4767.438648][ T72] __do_softirq+0x1b5/0x7f6 [ 4767.438648][ T72] [ 4767.440311][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4767.440311][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.440311][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.440311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.440311][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4767.440311][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4767.440311][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4767.440311][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4767.440311][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4767.440311][ T72] addrconf_dad_begin+0x310/0x670 [ 4767.440311][ T72] addrconf_dad_work+0x10b/0xab0 [ 4767.440311][ T72] process_one_work+0x84d/0x18a0 [ 4767.440311][ T72] worker_thread+0x587/0xd30 [ 4767.440311][ T72] kthread+0x28a/0x350 [ 4767.440311][ T72] ret_from_fork+0x31/0x70 [ 4767.440311][ T72] ret_from_fork_asm+0x1a/0x30 [ 4767.440311][ T72] [ 4767.442234][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4767.442234][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.442234][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.442234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.442234][ T72] ip6_route_add+0x1c/0x140 [ 4767.442234][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4767.442234][ T72] inet6_addr_add+0x4f8/0xa40 [ 4767.442234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.442234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.442234][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.442234][ T72] netlink_unicast+0x449/0x710 [ 4767.442234][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.442234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.442234][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.442234][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.442234][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.442234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.442234][ T72] [ 4767.444249][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4767.444249][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.444249][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.444249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.444249][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4767.444249][ T72] ipv6_add_addr+0x411/0x2000 [ 4767.444249][ T72] inet6_addr_add+0x30e/0xa40 [ 4767.444249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.444249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.444249][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.444249][ T72] netlink_unicast+0x449/0x710 [ 4767.444249][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.444249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.444249][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.444249][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.444249][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.444249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.444249][ T72] [ 4767.446275][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4767.446275][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.446275][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.446275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.446275][ T72] ip6_route_add+0x1c/0x140 [ 4767.446275][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4767.446275][ T72] addrconf_add_dev+0xe2/0x170 [ 4767.446275][ T72] inet6_addr_add+0x12f/0xa40 [ 4767.446275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.446275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.446275][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.446275][ T72] netlink_unicast+0x449/0x710 [ 4767.446275][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.446275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.446275][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.446275][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.446275][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.446275][ T72] [ 4767.448251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4767.448251][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4767.448251][ T72] ipv6_find_idev+0x102/0x170 [ 4767.448251][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.448251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.448251][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.448251][ T72] netlink_unicast+0x449/0x710 [ 4767.448251][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.448251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.448251][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.448251][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.448251][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.448251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.448251][ T72] [ 4767.449811][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4767.449811][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4767.449811][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4767.449811][ T72] ipv6_find_idev+0x102/0x170 [ 4767.449811][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.449811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.449811][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.449811][ T72] netlink_unicast+0x449/0x710 [ 4767.449811][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.449811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.449811][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.449811][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.449811][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.449811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.449811][ T72] [ 4767.451643][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4767.451992][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4767.451992][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4767.451992][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4767.451992][ T72] fib6_nh_init+0xa22/0x1580 [ 4767.451992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.451992][ T72] ip6_route_add+0x1c/0x140 [ 4767.451992][ T72] inet6_rtm_newroute+0x104/0x110 [ 4767.451992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.451992][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.451992][ T72] netlink_unicast+0x449/0x710 [ 4767.451992][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.451992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.451992][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.451992][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.451992][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.451992][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.451992][ T72] [ 4767.454073][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4767.454073][ T72] dst_init+0x84/0x4a0 [ 4767.454073][ T72] dst_alloc+0x97/0x150 [ 4767.454073][ T72] ip6_dst_alloc+0x23/0x90 [ 4767.454073][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4767.454073][ T72] ip6_pol_route+0x56f/0x840 [ 4767.454073][ T72] fib6_rule_lookup+0x456/0x630 [ 4767.454073][ T72] ip6_route_input+0x59c/0xa50 [ 4767.454073][ T72] ipv6_rcv+0x397/0x810 [ 4767.454073][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4767.454073][ T72] process_backlog+0x101/0x620 [ 4767.454073][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4767.454073][ T72] net_rx_action+0x495/0xbe0 [ 4767.454073][ T72] __do_softirq+0x1b5/0x7f6 [ 4767.454073][ T72] [ 4767.455920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4767.455920][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.455920][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.455920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.455920][ T72] ip6_route_add+0x1c/0x140 [ 4767.455920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4767.455920][ T72] inet6_addr_add+0x4f8/0xa40 [ 4767.455920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.455920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.455920][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.455920][ T72] netlink_unicast+0x449/0x710 [ 4767.455920][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.455920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.455920][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.455920][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.455920][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.455920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.455920][ T72] [ 4767.458241][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4767.458241][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.458241][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.458241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.458241][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4767.458241][ T72] ipv6_add_addr+0x411/0x2000 [ 4767.458241][ T72] inet6_addr_add+0x30e/0xa40 [ 4767.458241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.458241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.458241][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.458241][ T72] netlink_unicast+0x449/0x710 [ 4767.458241][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.458241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.458241][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.458241][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.458241][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.458241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.458241][ T72] [ 4767.460493][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4767.460493][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.460493][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.460493][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.460493][ T72] ip6_route_add+0x1c/0x140 [ 4767.460493][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4767.460493][ T72] addrconf_add_dev+0xe2/0x170 [ 4767.460493][ T72] inet6_addr_add+0x12f/0xa40 [ 4767.460493][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.460493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.460493][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.460493][ T72] netlink_unicast+0x449/0x710 [ 4767.460493][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.460493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.460493][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.460493][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.460493][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.460493][ T72] [ 4767.462726][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4767.462726][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4767.462726][ T72] ipv6_find_idev+0x102/0x170 [ 4767.462726][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.462726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.462726][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.462726][ T72] netlink_unicast+0x449/0x710 [ 4767.462726][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.462726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.462726][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.462726][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.462726][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.462726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.462726][ T72] [ 4767.464463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4767.464463][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4767.464463][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4767.464463][ T72] ipv6_find_idev+0x102/0x170 [ 4767.464463][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.464463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.464463][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.464463][ T72] netlink_unicast+0x449/0x710 [ 4767.464463][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.464463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.464463][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.464463][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.464463][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.464463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.464463][ T72] [ 4767.466361][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4767.466640][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4767.466640][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.466640][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.466640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.466640][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4767.466640][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4767.466640][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4767.466640][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4767.466640][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4767.466640][ T72] addrconf_dad_begin+0x310/0x670 [ 4767.466640][ T72] addrconf_dad_work+0x10b/0xab0 [ 4767.466640][ T72] process_one_work+0x84d/0x18a0 [ 4767.466640][ T72] worker_thread+0x587/0xd30 [ 4767.466640][ T72] kthread+0x28a/0x350 [ 4767.466640][ T72] ret_from_fork+0x31/0x70 [ 4767.466640][ T72] ret_from_fork_asm+0x1a/0x30 [ 4767.466640][ T72] [ 4767.468882][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4767.468882][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.468882][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.468882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.468882][ T72] ip6_route_add+0x1c/0x140 [ 4767.468882][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4767.468882][ T72] inet6_addr_add+0x4f8/0xa40 [ 4767.468882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.468882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.468882][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.468882][ T72] netlink_unicast+0x449/0x710 [ 4767.468882][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.468882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.468882][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.468882][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.468882][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.468882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.468882][ T72] [ 4767.471131][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4767.471131][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.471131][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.471131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.471131][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4767.471131][ T72] ipv6_add_addr+0x411/0x2000 [ 4767.471131][ T72] inet6_addr_add+0x30e/0xa40 [ 4767.471131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.471131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.471131][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.471131][ T72] netlink_unicast+0x449/0x710 [ 4767.471131][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.471131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.471131][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.471131][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.471131][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.471131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.471131][ T72] [ 4767.473387][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4767.473387][ T72] netdev_get_by_index+0x5e/0x80 [ 4767.473387][ T72] fib6_nh_init+0x3d8/0x1580 [ 4767.473387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4767.473387][ T72] ip6_route_add+0x1c/0x140 [ 4767.473387][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4767.473387][ T72] addrconf_add_dev+0xe2/0x170 [ 4767.473387][ T72] inet6_addr_add+0x12f/0xa40 [ 4767.473387][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.473387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.473387][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.473387][ T72] netlink_unicast+0x449/0x710 [ 4767.473387][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.473387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.473387][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.473387][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.473387][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.473387][ T72] [ 4767.475547][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4767.475547][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4767.475547][ T72] ipv6_find_idev+0x102/0x170 [ 4767.475547][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.475547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.475547][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.475547][ T72] netlink_unicast+0x449/0x710 [ 4767.475547][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.475547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.475547][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.475547][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.475547][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.475547][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.475547][ T72] [ 4767.477875][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4767.477875][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4767.477875][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4767.477875][ T72] ipv6_find_idev+0x102/0x170 [ 4767.477875][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.477875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.477875][ T72] netlink_rcv_skb+0x130/0x360 [ 4767.477875][ T72] netlink_unicast+0x449/0x710 [ 4767.477875][ T72] netlink_sendmsg+0x723/0xbe0 [ 4767.477875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4767.477875][ T72] ___sys_sendmsg+0xee/0x170 [ 4767.477875][ T72] __sys_sendmsg+0xcd/0x170 [ 4767.477875][ T72] do_syscall_64+0xc6/0x1e0 [ 4767.477875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.477875][ T72] [ 4777.720920][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4777.721434][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4777.721434][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4777.721434][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4777.721434][ T72] fib6_nh_init+0xa22/0x1580 [ 4777.721434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.721434][ T72] ip6_route_add+0x1c/0x140 [ 4777.721434][ T72] inet6_rtm_newroute+0x104/0x110 [ 4777.721434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.721434][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.721434][ T72] netlink_unicast+0x449/0x710 [ 4777.721434][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.721434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.721434][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.721434][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.721434][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.721434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.721434][ T72] [ 4777.723579][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4777.723579][ T72] dst_init+0x84/0x4a0 [ 4777.723579][ T72] dst_alloc+0x97/0x150 [ 4777.723579][ T72] ip6_dst_alloc+0x23/0x90 [ 4777.723579][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4777.723579][ T72] ip6_pol_route+0x56f/0x840 [ 4777.723579][ T72] fib6_rule_lookup+0x456/0x630 [ 4777.723579][ T72] ip6_route_input+0x59c/0xa50 [ 4777.723579][ T72] ipv6_rcv+0x397/0x810 [ 4777.723579][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4777.723579][ T72] process_backlog+0x101/0x620 [ 4777.723579][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4777.723579][ T72] net_rx_action+0x495/0xbe0 [ 4777.723579][ T72] __do_softirq+0x1b5/0x7f6 [ 4777.723579][ T72] [ 4777.725454][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4777.725454][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.725454][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.725454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.725454][ T72] ip6_route_add+0x1c/0x140 [ 4777.725454][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4777.725454][ T72] inet6_addr_add+0x4f8/0xa40 [ 4777.725454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.725454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.725454][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.725454][ T72] netlink_unicast+0x449/0x710 [ 4777.725454][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.725454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.725454][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.725454][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.725454][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.725454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.725454][ T72] [ 4777.727760][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4777.727760][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.727760][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.727760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.727760][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4777.727760][ T72] ipv6_add_addr+0x411/0x2000 [ 4777.727760][ T72] inet6_addr_add+0x30e/0xa40 [ 4777.727760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.727760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.727760][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.727760][ T72] netlink_unicast+0x449/0x710 [ 4777.727760][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.727760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.727760][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.727760][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.727760][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.727760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.727760][ T72] [ 4777.730037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4777.730037][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.730037][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.730037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.730037][ T72] ip6_route_add+0x1c/0x140 [ 4777.730037][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4777.730037][ T72] addrconf_add_dev+0xe2/0x170 [ 4777.730037][ T72] inet6_addr_add+0x12f/0xa40 [ 4777.730037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.730037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.730037][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.730037][ T72] netlink_unicast+0x449/0x710 [ 4777.730037][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.730037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.730037][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.730037][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.730037][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.730037][ T72] [ 4777.732288][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4777.732288][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4777.732288][ T72] ipv6_find_idev+0x102/0x170 [ 4777.732288][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.732288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.732288][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.732288][ T72] netlink_unicast+0x449/0x710 [ 4777.732288][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.732288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.732288][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.732288][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.732288][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.732288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.732288][ T72] [ 4777.734037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4777.734037][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4777.734037][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4777.734037][ T72] ipv6_find_idev+0x102/0x170 [ 4777.734037][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.734037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.734037][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.734037][ T72] netlink_unicast+0x449/0x710 [ 4777.734037][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.734037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.734037][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.734037][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.734037][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.734037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.734037][ T72] [ 4777.735972][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4777.736268][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4777.736268][ T72] dst_init+0x84/0x4a0 [ 4777.736268][ T72] dst_alloc+0x97/0x150 [ 4777.736268][ T72] ip6_dst_alloc+0x23/0x90 [ 4777.736268][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4777.736268][ T72] ip6_pol_route+0x56f/0x840 [ 4777.736268][ T72] fib6_rule_lookup+0x456/0x630 [ 4777.736268][ T72] ip6_route_input+0x59c/0xa50 [ 4777.736268][ T72] ipv6_rcv+0x397/0x810 [ 4777.736268][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4777.736268][ T72] process_backlog+0x101/0x620 [ 4777.736268][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4777.736268][ T72] net_rx_action+0x495/0xbe0 [ 4777.736268][ T72] __do_softirq+0x1b5/0x7f6 [ 4777.736268][ T72] [ 4777.738116][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4777.738116][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.738116][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.738116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.738116][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4777.738116][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4777.738116][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4777.738116][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4777.738116][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4777.738116][ T72] addrconf_dad_begin+0x310/0x670 [ 4777.738116][ T72] addrconf_dad_work+0x10b/0xab0 [ 4777.738116][ T72] process_one_work+0x84d/0x18a0 [ 4777.738116][ T72] worker_thread+0x587/0xd30 [ 4777.738116][ T72] kthread+0x28a/0x350 [ 4777.738116][ T72] ret_from_fork+0x31/0x70 [ 4777.738116][ T72] ret_from_fork_asm+0x1a/0x30 [ 4777.738116][ T72] [ 4777.740278][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4777.740278][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.740278][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.740278][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.740278][ T72] ip6_route_add+0x1c/0x140 [ 4777.740278][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4777.740278][ T72] inet6_addr_add+0x4f8/0xa40 [ 4777.740278][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.740278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.740278][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.740278][ T72] netlink_unicast+0x449/0x710 [ 4777.740278][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.740278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.740278][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.740278][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.740278][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.740278][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.740278][ T72] [ 4777.742527][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4777.742527][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.742527][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.742527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.742527][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4777.742527][ T72] ipv6_add_addr+0x411/0x2000 [ 4777.742527][ T72] inet6_addr_add+0x30e/0xa40 [ 4777.742527][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.742527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.742527][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.742527][ T72] netlink_unicast+0x449/0x710 [ 4777.742527][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.742527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.742527][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.742527][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.742527][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.742527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.742527][ T72] [ 4777.744770][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4777.744770][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.744770][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.744770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.744770][ T72] ip6_route_add+0x1c/0x140 [ 4777.744770][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4777.744770][ T72] addrconf_add_dev+0xe2/0x170 [ 4777.744770][ T72] inet6_addr_add+0x12f/0xa40 [ 4777.744770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.744770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.744770][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.744770][ T72] netlink_unicast+0x449/0x710 [ 4777.744770][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.744770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.744770][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.744770][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.744770][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.744770][ T72] [ 4777.747011][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4777.747011][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4777.747011][ T72] ipv6_find_idev+0x102/0x170 [ 4777.747011][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.747011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.747011][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.747011][ T72] netlink_unicast+0x449/0x710 [ 4777.747011][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.747011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.747011][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.747011][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.747011][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.747011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.747011][ T72] [ 4777.748739][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4777.748739][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4777.748739][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4777.748739][ T72] ipv6_find_idev+0x102/0x170 [ 4777.748739][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.748739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.748739][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.748739][ T72] netlink_unicast+0x449/0x710 [ 4777.748739][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.748739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.748739][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.748739][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.748739][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.748739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.748739][ T72] [ 4777.750718][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4777.751036][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4777.751036][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4777.751036][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4777.751036][ T72] fib6_nh_init+0xa22/0x1580 [ 4777.751036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.751036][ T72] ip6_route_add+0x1c/0x140 [ 4777.751036][ T72] inet6_rtm_newroute+0x104/0x110 [ 4777.751036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.751036][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.751036][ T72] netlink_unicast+0x449/0x710 [ 4777.751036][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.751036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.751036][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.751036][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.751036][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.751036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.751036][ T72] [ 4777.753454][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4777.753454][ T72] dst_init+0x84/0x4a0 [ 4777.753454][ T72] dst_alloc+0x97/0x150 [ 4777.753454][ T72] ip6_dst_alloc+0x23/0x90 [ 4777.753454][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4777.753454][ T72] ip6_pol_route+0x56f/0x840 [ 4777.753454][ T72] fib6_rule_lookup+0x456/0x630 [ 4777.753454][ T72] ip6_route_input+0x59c/0xa50 [ 4777.753454][ T72] ipv6_rcv+0x397/0x810 [ 4777.753454][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4777.753454][ T72] process_backlog+0x101/0x620 [ 4777.753454][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4777.753454][ T72] net_rx_action+0x495/0xbe0 [ 4777.753454][ T72] __do_softirq+0x1b5/0x7f6 [ 4777.753454][ T72] [ 4777.755467][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4777.755467][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.755467][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.755467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.755467][ T72] ip6_route_add+0x1c/0x140 [ 4777.755467][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4777.755467][ T72] inet6_addr_add+0x4f8/0xa40 [ 4777.755467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.755467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.755467][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.755467][ T72] netlink_unicast+0x449/0x710 [ 4777.755467][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.755467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.755467][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.755467][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.755467][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.755467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.755467][ T72] [ 4777.757988][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4777.757988][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.757988][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.757988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.757988][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4777.757988][ T72] ipv6_add_addr+0x411/0x2000 [ 4777.757988][ T72] inet6_addr_add+0x30e/0xa40 [ 4777.757988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.757988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.757988][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.757988][ T72] netlink_unicast+0x449/0x710 [ 4777.757988][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.757988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.757988][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.757988][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.757988][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.757988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.757988][ T72] [ 4777.760430][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4777.760430][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.760430][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.760430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.760430][ T72] ip6_route_add+0x1c/0x140 [ 4777.760430][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4777.760430][ T72] addrconf_add_dev+0xe2/0x170 [ 4777.760430][ T72] inet6_addr_add+0x12f/0xa40 [ 4777.760430][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.760430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.760430][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.760430][ T72] netlink_unicast+0x449/0x710 [ 4777.760430][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.760430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.760430][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.760430][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.760430][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.760430][ T72] [ 4777.762911][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4777.762911][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4777.762911][ T72] ipv6_find_idev+0x102/0x170 [ 4777.762911][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.762911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.762911][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.762911][ T72] netlink_unicast+0x449/0x710 [ 4777.762911][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.762911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.762911][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.762911][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.762911][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.762911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.762911][ T72] [ 4777.764891][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4777.764891][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4777.764891][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4777.764891][ T72] ipv6_find_idev+0x102/0x170 [ 4777.764891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.764891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.764891][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.764891][ T72] netlink_unicast+0x449/0x710 [ 4777.764891][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.764891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.764891][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.764891][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.764891][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.764891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.764891][ T72] [ 4777.767496][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4777.768298][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4777.768298][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.768298][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.768298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.768298][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4777.768298][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4777.768298][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4777.768298][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4777.768298][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4777.768298][ T72] addrconf_dad_begin+0x310/0x670 [ 4777.768298][ T72] addrconf_dad_work+0x10b/0xab0 [ 4777.768298][ T72] process_one_work+0x84d/0x18a0 [ 4777.768298][ T72] worker_thread+0x587/0xd30 [ 4777.768298][ T72] kthread+0x28a/0x350 [ 4777.768298][ T72] ret_from_fork+0x31/0x70 [ 4777.768298][ T72] ret_from_fork_asm+0x1a/0x30 [ 4777.768298][ T72] [ 4777.770463][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4777.770463][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.770463][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.770463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.770463][ T72] ip6_route_add+0x1c/0x140 [ 4777.770463][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4777.770463][ T72] inet6_addr_add+0x4f8/0xa40 [ 4777.770463][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.770463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.770463][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.770463][ T72] netlink_unicast+0x449/0x710 [ 4777.770463][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.770463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.770463][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.770463][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.770463][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.770463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.770463][ T72] [ 4777.772696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4777.772696][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.772696][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.772696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.772696][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4777.772696][ T72] ipv6_add_addr+0x411/0x2000 [ 4777.772696][ T72] inet6_addr_add+0x30e/0xa40 [ 4777.772696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.772696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.772696][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.772696][ T72] netlink_unicast+0x449/0x710 [ 4777.772696][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.772696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.772696][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.772696][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.772696][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.772696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.772696][ T72] [ 4777.775191][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4777.775191][ T72] netdev_get_by_index+0x5e/0x80 [ 4777.775191][ T72] fib6_nh_init+0x3d8/0x1580 [ 4777.775191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4777.775191][ T72] ip6_route_add+0x1c/0x140 [ 4777.775191][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4777.775191][ T72] addrconf_add_dev+0xe2/0x170 [ 4777.775191][ T72] inet6_addr_add+0x12f/0xa40 [ 4777.775191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.775191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.775191][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.775191][ T72] netlink_unicast+0x449/0x710 [ 4777.775191][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.775191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.775191][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.775191][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.775191][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.775191][ T72] [ 4777.777674][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4777.777674][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4777.777674][ T72] ipv6_find_idev+0x102/0x170 [ 4777.777674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.777674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.777674][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.777674][ T72] netlink_unicast+0x449/0x710 [ 4777.777674][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.777674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.777674][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.777674][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.777674][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.777674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.777674][ T72] [ 4777.779665][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4777.779665][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4777.779665][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4777.779665][ T72] ipv6_find_idev+0x102/0x170 [ 4777.779665][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.779665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.779665][ T72] netlink_rcv_skb+0x130/0x360 [ 4777.779665][ T72] netlink_unicast+0x449/0x710 [ 4777.779665][ T72] netlink_sendmsg+0x723/0xbe0 [ 4777.779665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4777.779665][ T72] ___sys_sendmsg+0xee/0x170 [ 4777.779665][ T72] __sys_sendmsg+0xcd/0x170 [ 4777.779665][ T72] do_syscall_64+0xc6/0x1e0 [ 4777.779665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.779665][ T72] [ 4787.968931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4787.969517][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4787.969517][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4787.969517][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4787.969517][ T72] fib6_nh_init+0xa22/0x1580 [ 4787.969517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.969517][ T72] ip6_route_add+0x1c/0x140 [ 4787.969517][ T72] inet6_rtm_newroute+0x104/0x110 [ 4787.969517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.969517][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.969517][ T72] netlink_unicast+0x449/0x710 [ 4787.969517][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.969517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.969517][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.969517][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.969517][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.969517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.969517][ T72] [ 4787.971732][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4787.971732][ T72] dst_init+0x84/0x4a0 [ 4787.971732][ T72] dst_alloc+0x97/0x150 [ 4787.971732][ T72] ip6_dst_alloc+0x23/0x90 [ 4787.971732][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4787.971732][ T72] ip6_pol_route+0x56f/0x840 [ 4787.971732][ T72] fib6_rule_lookup+0x456/0x630 [ 4787.971732][ T72] ip6_route_input+0x59c/0xa50 [ 4787.971732][ T72] ipv6_rcv+0x397/0x810 [ 4787.971732][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4787.971732][ T72] process_backlog+0x101/0x620 [ 4787.971732][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4787.971732][ T72] net_rx_action+0x495/0xbe0 [ 4787.971732][ T72] __do_softirq+0x1b5/0x7f6 [ 4787.971732][ T72] [ 4787.973547][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4787.973547][ T72] netdev_get_by_index+0x5e/0x80 [ 4787.973547][ T72] fib6_nh_init+0x3d8/0x1580 [ 4787.973547][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.973547][ T72] ip6_route_add+0x1c/0x140 [ 4787.973547][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4787.973547][ T72] inet6_addr_add+0x4f8/0xa40 [ 4787.973547][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.973547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.973547][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.973547][ T72] netlink_unicast+0x449/0x710 [ 4787.973547][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.973547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.973547][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.973547][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.973547][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.973547][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.973547][ T72] [ 4787.975739][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4787.975739][ T72] netdev_get_by_index+0x5e/0x80 [ 4787.975739][ T72] fib6_nh_init+0x3d8/0x1580 [ 4787.975739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.975739][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4787.975739][ T72] ipv6_add_addr+0x411/0x2000 [ 4787.975739][ T72] inet6_addr_add+0x30e/0xa40 [ 4787.975739][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.975739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.975739][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.975739][ T72] netlink_unicast+0x449/0x710 [ 4787.975739][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.975739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.975739][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.975739][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.975739][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.975739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.975739][ T72] [ 4787.977969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4787.977969][ T72] netdev_get_by_index+0x5e/0x80 [ 4787.977969][ T72] fib6_nh_init+0x3d8/0x1580 [ 4787.977969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.977969][ T72] ip6_route_add+0x1c/0x140 [ 4787.977969][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4787.977969][ T72] addrconf_add_dev+0xe2/0x170 [ 4787.977969][ T72] inet6_addr_add+0x12f/0xa40 [ 4787.977969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.977969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.977969][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.977969][ T72] netlink_unicast+0x449/0x710 [ 4787.977969][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.977969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.977969][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.977969][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.977969][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.977969][ T72] [ 4787.980163][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4787.980163][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4787.980163][ T72] ipv6_find_idev+0x102/0x170 [ 4787.980163][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.980163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.980163][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.980163][ T72] netlink_unicast+0x449/0x710 [ 4787.980163][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.980163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.980163][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.980163][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.980163][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.980163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.980163][ T72] [ 4787.981866][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4787.981866][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4787.981866][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4787.981866][ T72] ipv6_find_idev+0x102/0x170 [ 4787.981866][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.981866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.981866][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.981866][ T72] netlink_unicast+0x449/0x710 [ 4787.981866][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.981866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.981866][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.981866][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.981866][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.981866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.981866][ T72] [ 4787.983732][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4787.984053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4787.984053][ T72] dst_init+0x84/0x4a0 [ 4787.984053][ T72] dst_alloc+0x97/0x150 [ 4787.984053][ T72] ip6_dst_alloc+0x23/0x90 [ 4787.984053][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4787.984053][ T72] ip6_pol_route+0x56f/0x840 [ 4787.984053][ T72] fib6_rule_lookup+0x456/0x630 [ 4787.984053][ T72] ip6_route_input+0x59c/0xa50 [ 4787.984053][ T72] ipv6_rcv+0x397/0x810 [ 4787.984053][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4787.984053][ T72] process_backlog+0x101/0x620 [ 4787.984053][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4787.984053][ T72] net_rx_action+0x495/0xbe0 [ 4787.984053][ T72] __do_softirq+0x1b5/0x7f6 [ 4787.984053][ T72] [ 4787.985909][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4787.985909][ T72] netdev_get_by_index+0x5e/0x80 [ 4787.985909][ T72] fib6_nh_init+0x3d8/0x1580 [ 4787.985909][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.985909][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4787.985909][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4787.985909][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4787.985909][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4787.985909][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4787.985909][ T72] addrconf_dad_begin+0x310/0x670 [ 4787.985909][ T72] addrconf_dad_work+0x10b/0xab0 [ 4787.985909][ T72] process_one_work+0x84d/0x18a0 [ 4787.985909][ T72] worker_thread+0x587/0xd30 [ 4787.985909][ T72] kthread+0x28a/0x350 [ 4787.985909][ T72] ret_from_fork+0x31/0x70 [ 4787.985909][ T72] ret_from_fork_asm+0x1a/0x30 [ 4787.985909][ T72] [ 4787.988037][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4787.988037][ T72] netdev_get_by_index+0x5e/0x80 [ 4787.988037][ T72] fib6_nh_init+0x3d8/0x1580 [ 4787.988037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.988037][ T72] ip6_route_add+0x1c/0x140 [ 4787.988037][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4787.988037][ T72] inet6_addr_add+0x4f8/0xa40 [ 4787.988037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.988037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.988037][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.988037][ T72] netlink_unicast+0x449/0x710 [ 4787.988037][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.988037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.988037][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.988037][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.988037][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.988037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.988037][ T72] [ 4787.990226][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4787.990226][ T72] netdev_get_by_index+0x5e/0x80 [ 4787.990226][ T72] fib6_nh_init+0x3d8/0x1580 [ 4787.990226][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.990226][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4787.990226][ T72] ipv6_add_addr+0x411/0x2000 [ 4787.990226][ T72] inet6_addr_add+0x30e/0xa40 [ 4787.990226][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.990226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.990226][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.990226][ T72] netlink_unicast+0x449/0x710 [ 4787.990226][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.990226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.990226][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.990226][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.990226][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.990226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.990226][ T72] [ 4787.992425][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4787.992425][ T72] netdev_get_by_index+0x5e/0x80 [ 4787.992425][ T72] fib6_nh_init+0x3d8/0x1580 [ 4787.992425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.992425][ T72] ip6_route_add+0x1c/0x140 [ 4787.992425][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4787.992425][ T72] addrconf_add_dev+0xe2/0x170 [ 4787.992425][ T72] inet6_addr_add+0x12f/0xa40 [ 4787.992425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.992425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.992425][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.992425][ T72] netlink_unicast+0x449/0x710 [ 4787.992425][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.992425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.992425][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.992425][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.992425][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.992425][ T72] [ 4787.994608][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4787.994608][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4787.994608][ T72] ipv6_find_idev+0x102/0x170 [ 4787.994608][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.994608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.994608][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.994608][ T72] netlink_unicast+0x449/0x710 [ 4787.994608][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.994608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.994608][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.994608][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.994608][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.994608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.994608][ T72] [ 4787.996691][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4787.996691][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4787.996691][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4787.996691][ T72] ipv6_find_idev+0x102/0x170 [ 4787.996691][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.996691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.996691][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.996691][ T72] netlink_unicast+0x449/0x710 [ 4787.996691][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.996691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.996691][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.996691][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.996691][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.996691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.996691][ T72] [ 4787.998651][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4787.998970][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4787.998970][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4787.998970][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4787.998970][ T72] fib6_nh_init+0xa22/0x1580 [ 4787.998970][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4787.998970][ T72] ip6_route_add+0x1c/0x140 [ 4787.998970][ T72] inet6_rtm_newroute+0x104/0x110 [ 4787.998970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.998970][ T72] netlink_rcv_skb+0x130/0x360 [ 4787.998970][ T72] netlink_unicast+0x449/0x710 [ 4787.998970][ T72] netlink_sendmsg+0x723/0xbe0 [ 4787.998970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4787.998970][ T72] ___sys_sendmsg+0xee/0x170 [ 4787.998970][ T72] __sys_sendmsg+0xcd/0x170 [ 4787.998970][ T72] do_syscall_64+0xc6/0x1e0 [ 4787.998970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.998970][ T72] [ 4788.001331][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4788.001331][ T72] dst_init+0x84/0x4a0 [ 4788.001331][ T72] dst_alloc+0x97/0x150 [ 4788.001331][ T72] ip6_dst_alloc+0x23/0x90 [ 4788.001331][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4788.001331][ T72] ip6_pol_route+0x56f/0x840 [ 4788.001331][ T72] fib6_rule_lookup+0x456/0x630 [ 4788.001331][ T72] ip6_route_input+0x59c/0xa50 [ 4788.001331][ T72] ipv6_rcv+0x397/0x810 [ 4788.001331][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4788.001331][ T72] process_backlog+0x101/0x620 [ 4788.001331][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4788.001331][ T72] net_rx_action+0x495/0xbe0 [ 4788.001331][ T72] __do_softirq+0x1b5/0x7f6 [ 4788.001331][ T72] [ 4788.003289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4788.003289][ T72] netdev_get_by_index+0x5e/0x80 [ 4788.003289][ T72] fib6_nh_init+0x3d8/0x1580 [ 4788.003289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4788.003289][ T72] ip6_route_add+0x1c/0x140 [ 4788.003289][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4788.003289][ T72] inet6_addr_add+0x4f8/0xa40 [ 4788.003289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.003289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.003289][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.003289][ T72] netlink_unicast+0x449/0x710 [ 4788.003289][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.003289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.003289][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.003289][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.003289][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.003289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.003289][ T72] [ 4788.005674][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4788.005674][ T72] netdev_get_by_index+0x5e/0x80 [ 4788.005674][ T72] fib6_nh_init+0x3d8/0x1580 [ 4788.005674][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4788.005674][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4788.005674][ T72] ipv6_add_addr+0x411/0x2000 [ 4788.005674][ T72] inet6_addr_add+0x30e/0xa40 [ 4788.005674][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.005674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.005674][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.005674][ T72] netlink_unicast+0x449/0x710 [ 4788.005674][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.005674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.005674][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.005674][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.005674][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.005674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.005674][ T72] [ 4788.008115][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4788.008115][ T72] netdev_get_by_index+0x5e/0x80 [ 4788.008115][ T72] fib6_nh_init+0x3d8/0x1580 [ 4788.008115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4788.008115][ T72] ip6_route_add+0x1c/0x140 [ 4788.008115][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4788.008115][ T72] addrconf_add_dev+0xe2/0x170 [ 4788.008115][ T72] inet6_addr_add+0x12f/0xa40 [ 4788.008115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.008115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.008115][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.008115][ T72] netlink_unicast+0x449/0x710 [ 4788.008115][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.008115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.008115][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.008115][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.008115][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.008115][ T72] [ 4788.010602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4788.010602][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4788.010602][ T72] ipv6_find_idev+0x102/0x170 [ 4788.010602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4788.010602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.010602][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.010602][ T72] netlink_unicast+0x449/0x710 [ 4788.010602][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.010602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.010602][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.010602][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.010602][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.010602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.010602][ T72] [ 4788.012513][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4788.012513][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4788.012513][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4788.012513][ T72] ipv6_find_idev+0x102/0x170 [ 4788.012513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4788.012513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.012513][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.012513][ T72] netlink_unicast+0x449/0x710 [ 4788.012513][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.012513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.012513][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.012513][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.012513][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.012513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.012513][ T72] [ 4788.014582][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4788.015371][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4788.015371][ T72] netdev_get_by_index+0x5e/0x80 [ 4788.015371][ T72] fib6_nh_init+0x3d8/0x1580 [ 4788.015371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4788.015371][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4788.015371][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4788.015371][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4788.015371][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4788.015371][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4788.015371][ T72] addrconf_dad_begin+0x310/0x670 [ 4788.015371][ T72] addrconf_dad_work+0x10b/0xab0 [ 4788.015371][ T72] process_one_work+0x84d/0x18a0 [ 4788.015371][ T72] worker_thread+0x587/0xd30 [ 4788.015371][ T72] kthread+0x28a/0x350 [ 4788.015371][ T72] ret_from_fork+0x31/0x70 [ 4788.015371][ T72] ret_from_fork_asm+0x1a/0x30 [ 4788.015371][ T72] [ 4788.017492][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4788.017492][ T72] netdev_get_by_index+0x5e/0x80 [ 4788.017492][ T72] fib6_nh_init+0x3d8/0x1580 [ 4788.017492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4788.017492][ T72] ip6_route_add+0x1c/0x140 [ 4788.017492][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4788.017492][ T72] inet6_addr_add+0x4f8/0xa40 [ 4788.017492][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.017492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.017492][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.017492][ T72] netlink_unicast+0x449/0x710 [ 4788.017492][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.017492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.017492][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.017492][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.017492][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.017492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.017492][ T72] [ 4788.019745][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4788.019745][ T72] netdev_get_by_index+0x5e/0x80 [ 4788.019745][ T72] fib6_nh_init+0x3d8/0x1580 [ 4788.019745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4788.019745][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4788.019745][ T72] ipv6_add_addr+0x411/0x2000 [ 4788.019745][ T72] inet6_addr_add+0x30e/0xa40 [ 4788.019745][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.019745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.019745][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.019745][ T72] netlink_unicast+0x449/0x710 [ 4788.019745][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.019745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.019745][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.019745][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.019745][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.019745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.019745][ T72] [ 4788.022178][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4788.022178][ T72] netdev_get_by_index+0x5e/0x80 [ 4788.022178][ T72] fib6_nh_init+0x3d8/0x1580 [ 4788.022178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4788.022178][ T72] ip6_route_add+0x1c/0x140 [ 4788.022178][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4788.022178][ T72] addrconf_add_dev+0xe2/0x170 [ 4788.022178][ T72] inet6_addr_add+0x12f/0xa40 [ 4788.022178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4788.022178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.022178][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.022178][ T72] netlink_unicast+0x449/0x710 [ 4788.022178][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.022178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.022178][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.022178][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.022178][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.022178][ T72] [ 4788.024638][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4788.024638][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4788.024638][ T72] ipv6_find_idev+0x102/0x170 [ 4788.024638][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4788.024638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.024638][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.024638][ T72] netlink_unicast+0x449/0x710 [ 4788.024638][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.024638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.024638][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.024638][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.024638][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.024638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.024638][ T72] [ 4788.026536][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4788.026536][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4788.026536][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4788.026536][ T72] ipv6_find_idev+0x102/0x170 [ 4788.026536][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4788.026536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4788.026536][ T72] netlink_rcv_skb+0x130/0x360 [ 4788.026536][ T72] netlink_unicast+0x449/0x710 [ 4788.026536][ T72] netlink_sendmsg+0x723/0xbe0 [ 4788.026536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4788.026536][ T72] ___sys_sendmsg+0xee/0x170 [ 4788.026536][ T72] __sys_sendmsg+0xcd/0x170 [ 4788.026536][ T72] do_syscall_64+0xc6/0x1e0 [ 4788.026536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4788.026536][ T72] [ 4798.176843][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4798.177363][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4798.177363][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4798.177363][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4798.177363][ T72] fib6_nh_init+0xa22/0x1580 [ 4798.177363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.177363][ T72] ip6_route_add+0x1c/0x140 [ 4798.177363][ T72] inet6_rtm_newroute+0x104/0x110 [ 4798.177363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.177363][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.177363][ T72] netlink_unicast+0x449/0x710 [ 4798.177363][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.177363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.177363][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.177363][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.177363][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.177363][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.177363][ T72] [ 4798.180116][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4798.180116][ T72] dst_init+0x84/0x4a0 [ 4798.180116][ T72] dst_alloc+0x97/0x150 [ 4798.180116][ T72] ip6_dst_alloc+0x23/0x90 [ 4798.180116][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4798.180116][ T72] ip6_pol_route+0x56f/0x840 [ 4798.180116][ T72] fib6_rule_lookup+0x456/0x630 [ 4798.180116][ T72] ip6_route_input+0x59c/0xa50 [ 4798.180116][ T72] ipv6_rcv+0x397/0x810 [ 4798.180116][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4798.180116][ T72] process_backlog+0x101/0x620 [ 4798.180116][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4798.180116][ T72] net_rx_action+0x495/0xbe0 [ 4798.180116][ T72] __do_softirq+0x1b5/0x7f6 [ 4798.180116][ T72] [ 4798.182015][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4798.182015][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.182015][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.182015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.182015][ T72] ip6_route_add+0x1c/0x140 [ 4798.182015][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4798.182015][ T72] inet6_addr_add+0x4f8/0xa40 [ 4798.182015][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.182015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.182015][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.182015][ T72] netlink_unicast+0x449/0x710 [ 4798.182015][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.182015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.182015][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.182015][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.182015][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.182015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.182015][ T72] [ 4798.184349][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4798.184349][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.184349][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.184349][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.184349][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4798.184349][ T72] ipv6_add_addr+0x411/0x2000 [ 4798.184349][ T72] inet6_addr_add+0x30e/0xa40 [ 4798.184349][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.184349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.184349][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.184349][ T72] netlink_unicast+0x449/0x710 [ 4798.184349][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.184349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.184349][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.184349][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.184349][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.184349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.184349][ T72] [ 4798.186682][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4798.186682][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.186682][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.186682][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.186682][ T72] ip6_route_add+0x1c/0x140 [ 4798.186682][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4798.186682][ T72] addrconf_add_dev+0xe2/0x170 [ 4798.186682][ T72] inet6_addr_add+0x12f/0xa40 [ 4798.186682][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.186682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.186682][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.186682][ T72] netlink_unicast+0x449/0x710 [ 4798.186682][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.186682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.186682][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.186682][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.186682][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.186682][ T72] [ 4798.188978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4798.188978][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4798.188978][ T72] ipv6_find_idev+0x102/0x170 [ 4798.188978][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.188978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.188978][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.188978][ T72] netlink_unicast+0x449/0x710 [ 4798.188978][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.188978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.188978][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.188978][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.188978][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.188978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.188978][ T72] [ 4798.191139][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4798.191139][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4798.191139][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4798.191139][ T72] ipv6_find_idev+0x102/0x170 [ 4798.191139][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.191139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.191139][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.191139][ T72] netlink_unicast+0x449/0x710 [ 4798.191139][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.191139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.191139][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.191139][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.191139][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.191139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.191139][ T72] [ 4798.193085][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4798.193382][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4798.193382][ T72] dst_init+0x84/0x4a0 [ 4798.193382][ T72] dst_alloc+0x97/0x150 [ 4798.193382][ T72] ip6_dst_alloc+0x23/0x90 [ 4798.193382][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4798.193382][ T72] ip6_pol_route+0x56f/0x840 [ 4798.193382][ T72] fib6_rule_lookup+0x456/0x630 [ 4798.193382][ T72] ip6_route_input+0x59c/0xa50 [ 4798.193382][ T72] ipv6_rcv+0x397/0x810 [ 4798.193382][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4798.193382][ T72] process_backlog+0x101/0x620 [ 4798.193382][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4798.193382][ T72] net_rx_action+0x495/0xbe0 [ 4798.193382][ T72] __do_softirq+0x1b5/0x7f6 [ 4798.193382][ T72] [ 4798.195262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4798.195262][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.195262][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.195262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.195262][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4798.195262][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4798.195262][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4798.195262][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4798.195262][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4798.195262][ T72] addrconf_dad_begin+0x310/0x670 [ 4798.195262][ T72] addrconf_dad_work+0x10b/0xab0 [ 4798.195262][ T72] process_one_work+0x84d/0x18a0 [ 4798.195262][ T72] worker_thread+0x587/0xd30 [ 4798.195262][ T72] kthread+0x28a/0x350 [ 4798.195262][ T72] ret_from_fork+0x31/0x70 [ 4798.195262][ T72] ret_from_fork_asm+0x1a/0x30 [ 4798.195262][ T72] [ 4798.197476][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4798.197476][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.197476][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.197476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.197476][ T72] ip6_route_add+0x1c/0x140 [ 4798.197476][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4798.197476][ T72] inet6_addr_add+0x4f8/0xa40 [ 4798.197476][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.197476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.197476][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.197476][ T72] netlink_unicast+0x449/0x710 [ 4798.197476][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.197476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.197476][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.197476][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.197476][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.197476][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.197476][ T72] [ 4798.199784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4798.199784][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.199784][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.199784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.199784][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4798.199784][ T72] ipv6_add_addr+0x411/0x2000 [ 4798.199784][ T72] inet6_addr_add+0x30e/0xa40 [ 4798.199784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.199784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.199784][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.199784][ T72] netlink_unicast+0x449/0x710 [ 4798.199784][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.199784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.199784][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.199784][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.199784][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.199784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.199784][ T72] [ 4798.202093][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4798.202093][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.202093][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.202093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.202093][ T72] ip6_route_add+0x1c/0x140 [ 4798.202093][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4798.202093][ T72] addrconf_add_dev+0xe2/0x170 [ 4798.202093][ T72] inet6_addr_add+0x12f/0xa40 [ 4798.202093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.202093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.202093][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.202093][ T72] netlink_unicast+0x449/0x710 [ 4798.202093][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.202093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.202093][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.202093][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.202093][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.202093][ T72] [ 4798.204347][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4798.204347][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4798.204347][ T72] ipv6_find_idev+0x102/0x170 [ 4798.204347][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.204347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.204347][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.204347][ T72] netlink_unicast+0x449/0x710 [ 4798.204347][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.204347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.204347][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.204347][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.204347][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.204347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.204347][ T72] [ 4798.206120][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4798.206120][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4798.206120][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4798.206120][ T72] ipv6_find_idev+0x102/0x170 [ 4798.206120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.206120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.206120][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.206120][ T72] netlink_unicast+0x449/0x710 [ 4798.206120][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.206120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.206120][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.206120][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.206120][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.206120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.206120][ T72] [ 4798.208130][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4798.208428][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4798.208428][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4798.208428][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4798.208428][ T72] fib6_nh_init+0xa22/0x1580 [ 4798.208428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.208428][ T72] ip6_route_add+0x1c/0x140 [ 4798.208428][ T72] inet6_rtm_newroute+0x104/0x110 [ 4798.208428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.208428][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.208428][ T72] netlink_unicast+0x449/0x710 [ 4798.208428][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.208428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.208428][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.208428][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.208428][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.208428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.208428][ T72] [ 4798.210774][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4798.210774][ T72] dst_init+0x84/0x4a0 [ 4798.210774][ T72] dst_alloc+0x97/0x150 [ 4798.210774][ T72] ip6_dst_alloc+0x23/0x90 [ 4798.210774][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4798.210774][ T72] ip6_pol_route+0x56f/0x840 [ 4798.210774][ T72] fib6_rule_lookup+0x456/0x630 [ 4798.210774][ T72] ip6_route_input+0x59c/0xa50 [ 4798.210774][ T72] ipv6_rcv+0x397/0x810 [ 4798.210774][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4798.210774][ T72] process_backlog+0x101/0x620 [ 4798.210774][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4798.210774][ T72] net_rx_action+0x495/0xbe0 [ 4798.210774][ T72] __do_softirq+0x1b5/0x7f6 [ 4798.210774][ T72] [ 4798.212731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4798.212731][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.212731][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.212731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.212731][ T72] ip6_route_add+0x1c/0x140 [ 4798.212731][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4798.212731][ T72] inet6_addr_add+0x4f8/0xa40 [ 4798.212731][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.212731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.212731][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.212731][ T72] netlink_unicast+0x449/0x710 [ 4798.212731][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.212731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.212731][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.212731][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.212731][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.212731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.212731][ T72] [ 4798.215167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4798.215167][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.215167][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.215167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.215167][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4798.215167][ T72] ipv6_add_addr+0x411/0x2000 [ 4798.215167][ T72] inet6_addr_add+0x30e/0xa40 [ 4798.215167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.215167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.215167][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.215167][ T72] netlink_unicast+0x449/0x710 [ 4798.215167][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.215167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.215167][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.215167][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.215167][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.215167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.215167][ T72] [ 4798.217596][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4798.217596][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.217596][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.217596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.217596][ T72] ip6_route_add+0x1c/0x140 [ 4798.217596][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4798.217596][ T72] addrconf_add_dev+0xe2/0x170 [ 4798.217596][ T72] inet6_addr_add+0x12f/0xa40 [ 4798.217596][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.217596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.217596][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.217596][ T72] netlink_unicast+0x449/0x710 [ 4798.217596][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.217596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.217596][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.217596][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.217596][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.217596][ T72] [ 4798.219985][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4798.219985][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4798.219985][ T72] ipv6_find_idev+0x102/0x170 [ 4798.219985][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.219985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.219985][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.219985][ T72] netlink_unicast+0x449/0x710 [ 4798.219985][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.219985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.219985][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.219985][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.219985][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.219985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.219985][ T72] [ 4798.221820][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4798.221820][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4798.221820][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4798.221820][ T72] ipv6_find_idev+0x102/0x170 [ 4798.221820][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.221820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.221820][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.221820][ T72] netlink_unicast+0x449/0x710 [ 4798.221820][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.221820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.221820][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.221820][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.221820][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.221820][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.221820][ T72] [ 4798.223873][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4798.224172][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4798.224172][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.224172][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.224172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.224172][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4798.224172][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4798.224172][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4798.224172][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4798.224172][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4798.224172][ T72] addrconf_dad_begin+0x310/0x670 [ 4798.224172][ T72] addrconf_dad_work+0x10b/0xab0 [ 4798.224172][ T72] process_one_work+0x84d/0x18a0 [ 4798.224172][ T72] worker_thread+0x587/0xd30 [ 4798.224172][ T72] kthread+0x28a/0x350 [ 4798.224172][ T72] ret_from_fork+0x31/0x70 [ 4798.224172][ T72] ret_from_fork_asm+0x1a/0x30 [ 4798.224172][ T72] [ 4798.226489][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4798.226489][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.226489][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.226489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.226489][ T72] ip6_route_add+0x1c/0x140 [ 4798.226489][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4798.226489][ T72] inet6_addr_add+0x4f8/0xa40 [ 4798.226489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.226489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.226489][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.226489][ T72] netlink_unicast+0x449/0x710 [ 4798.226489][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.226489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.226489][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.226489][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.226489][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.226489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.226489][ T72] [ 4798.228907][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4798.228907][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.228907][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.228907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.228907][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4798.228907][ T72] ipv6_add_addr+0x411/0x2000 [ 4798.228907][ T72] inet6_addr_add+0x30e/0xa40 [ 4798.228907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.228907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.228907][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.228907][ T72] netlink_unicast+0x449/0x710 [ 4798.228907][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.228907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.228907][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.228907][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.228907][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.228907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.228907][ T72] [ 4798.231319][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4798.231319][ T72] netdev_get_by_index+0x5e/0x80 [ 4798.231319][ T72] fib6_nh_init+0x3d8/0x1580 [ 4798.231319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4798.231319][ T72] ip6_route_add+0x1c/0x140 [ 4798.231319][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4798.231319][ T72] addrconf_add_dev+0xe2/0x170 [ 4798.231319][ T72] inet6_addr_add+0x12f/0xa40 [ 4798.231319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.231319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.231319][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.231319][ T72] netlink_unicast+0x449/0x710 [ 4798.231319][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.231319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.231319][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.231319][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.231319][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.231319][ T72] [ 4798.233699][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4798.233699][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4798.233699][ T72] ipv6_find_idev+0x102/0x170 [ 4798.233699][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.233699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.233699][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.233699][ T72] netlink_unicast+0x449/0x710 [ 4798.233699][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.233699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.233699][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.233699][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.233699][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.233699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.233699][ T72] [ 4798.235522][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4798.235522][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4798.235522][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4798.235522][ T72] ipv6_find_idev+0x102/0x170 [ 4798.235522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.235522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.235522][ T72] netlink_rcv_skb+0x130/0x360 [ 4798.235522][ T72] netlink_unicast+0x449/0x710 [ 4798.235522][ T72] netlink_sendmsg+0x723/0xbe0 [ 4798.235522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4798.235522][ T72] ___sys_sendmsg+0xee/0x170 [ 4798.235522][ T72] __sys_sendmsg+0xcd/0x170 [ 4798.235522][ T72] do_syscall_64+0xc6/0x1e0 [ 4798.235522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.235522][ T72] [ 4808.272927][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4808.273527][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4808.273527][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4808.273527][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4808.273527][ T72] fib6_nh_init+0xa22/0x1580 [ 4808.273527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.273527][ T72] ip6_route_add+0x1c/0x140 [ 4808.273527][ T72] inet6_rtm_newroute+0x104/0x110 [ 4808.273527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.273527][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.273527][ T72] netlink_unicast+0x449/0x710 [ 4808.273527][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.273527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.273527][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.273527][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.273527][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.273527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.273527][ T72] [ 4808.276593][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4808.276593][ T72] dst_init+0x84/0x4a0 [ 4808.276593][ T72] dst_alloc+0x97/0x150 [ 4808.276593][ T72] ip6_dst_alloc+0x23/0x90 [ 4808.276593][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4808.276593][ T72] ip6_pol_route+0x56f/0x840 [ 4808.276593][ T72] fib6_rule_lookup+0x456/0x630 [ 4808.276593][ T72] ip6_route_input+0x59c/0xa50 [ 4808.276593][ T72] ipv6_rcv+0x397/0x810 [ 4808.276593][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4808.276593][ T72] process_backlog+0x101/0x620 [ 4808.276593][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4808.276593][ T72] net_rx_action+0x495/0xbe0 [ 4808.276593][ T72] __do_softirq+0x1b5/0x7f6 [ 4808.276593][ T72] [ 4808.279260][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4808.279260][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.279260][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.279260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.279260][ T72] ip6_route_add+0x1c/0x140 [ 4808.279260][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4808.279260][ T72] inet6_addr_add+0x4f8/0xa40 [ 4808.279260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.279260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.279260][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.279260][ T72] netlink_unicast+0x449/0x710 [ 4808.279260][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.279260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.279260][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.279260][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.279260][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.279260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.279260][ T72] [ 4808.282561][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4808.282561][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.282561][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.282561][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.282561][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4808.282561][ T72] ipv6_add_addr+0x411/0x2000 [ 4808.282561][ T72] inet6_addr_add+0x30e/0xa40 [ 4808.282561][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.282561][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.282561][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.282561][ T72] netlink_unicast+0x449/0x710 [ 4808.282561][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.282561][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.282561][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.282561][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.282561][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.282561][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.282561][ T72] [ 4808.285580][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4808.285580][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.285580][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.285580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.285580][ T72] ip6_route_add+0x1c/0x140 [ 4808.285580][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.285580][ T72] addrconf_add_dev+0xe2/0x170 [ 4808.285580][ T72] inet6_addr_add+0x12f/0xa40 [ 4808.285580][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.285580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.285580][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.285580][ T72] netlink_unicast+0x449/0x710 [ 4808.285580][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.285580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.285580][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.285580][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.285580][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.285580][ T72] [ 4808.288551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4808.288551][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4808.288551][ T72] ipv6_find_idev+0x102/0x170 [ 4808.288551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.288551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.288551][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.288551][ T72] netlink_unicast+0x449/0x710 [ 4808.288551][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.288551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.288551][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.288551][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.288551][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.288551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.288551][ T72] [ 4808.290939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4808.290939][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4808.290939][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4808.290939][ T72] ipv6_find_idev+0x102/0x170 [ 4808.290939][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.290939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.290939][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.290939][ T72] netlink_unicast+0x449/0x710 [ 4808.290939][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.290939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.290939][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.290939][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.290939][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.290939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.290939][ T72] [ 4808.293571][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4808.294016][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4808.294016][ T72] dst_init+0x84/0x4a0 [ 4808.294016][ T72] dst_alloc+0x97/0x150 [ 4808.294016][ T72] ip6_dst_alloc+0x23/0x90 [ 4808.294016][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4808.294016][ T72] ip6_pol_route+0x56f/0x840 [ 4808.294016][ T72] fib6_rule_lookup+0x456/0x630 [ 4808.294016][ T72] ip6_route_input+0x59c/0xa50 [ 4808.294016][ T72] ipv6_rcv+0x397/0x810 [ 4808.294016][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4808.294016][ T72] process_backlog+0x101/0x620 [ 4808.294016][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4808.294016][ T72] net_rx_action+0x495/0xbe0 [ 4808.294016][ T72] __do_softirq+0x1b5/0x7f6 [ 4808.294016][ T72] [ 4808.296649][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4808.296649][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.296649][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.296649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.296649][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4808.296649][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4808.296649][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4808.296649][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4808.296649][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4808.296649][ T72] addrconf_dad_begin+0x310/0x670 [ 4808.296649][ T72] addrconf_dad_work+0x10b/0xab0 [ 4808.296649][ T72] process_one_work+0x84d/0x18a0 [ 4808.296649][ T72] worker_thread+0x587/0xd30 [ 4808.296649][ T72] kthread+0x28a/0x350 [ 4808.296649][ T72] ret_from_fork+0x31/0x70 [ 4808.296649][ T72] ret_from_fork_asm+0x1a/0x30 [ 4808.296649][ T72] [ 4808.299650][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4808.299650][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.299650][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.299650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.299650][ T72] ip6_route_add+0x1c/0x140 [ 4808.299650][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4808.299650][ T72] inet6_addr_add+0x4f8/0xa40 [ 4808.299650][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.299650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.299650][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.299650][ T72] netlink_unicast+0x449/0x710 [ 4808.299650][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.299650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.299650][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.299650][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.299650][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.299650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.299650][ T72] [ 4808.302798][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4808.302798][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.302798][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.302798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.302798][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4808.302798][ T72] ipv6_add_addr+0x411/0x2000 [ 4808.302798][ T72] inet6_addr_add+0x30e/0xa40 [ 4808.302798][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.302798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.302798][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.302798][ T72] netlink_unicast+0x449/0x710 [ 4808.302798][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.302798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.302798][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.302798][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.302798][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.302798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.302798][ T72] [ 4808.305957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4808.305957][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.305957][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.305957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.305957][ T72] ip6_route_add+0x1c/0x140 [ 4808.305957][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.305957][ T72] addrconf_add_dev+0xe2/0x170 [ 4808.305957][ T72] inet6_addr_add+0x12f/0xa40 [ 4808.305957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.305957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.305957][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.305957][ T72] netlink_unicast+0x449/0x710 [ 4808.305957][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.305957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.305957][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.305957][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.305957][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.305957][ T72] [ 4808.309025][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4808.309025][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4808.309025][ T72] ipv6_find_idev+0x102/0x170 [ 4808.309025][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.309025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.309025][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.309025][ T72] netlink_unicast+0x449/0x710 [ 4808.309025][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.309025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.309025][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.309025][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.309025][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.309025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.309025][ T72] [ 4808.311441][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4808.311441][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4808.311441][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4808.311441][ T72] ipv6_find_idev+0x102/0x170 [ 4808.311441][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.311441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.311441][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.311441][ T72] netlink_unicast+0x449/0x710 [ 4808.311441][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.311441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.311441][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.311441][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.311441][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.311441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.311441][ T72] [ 4808.314218][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4808.314719][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4808.314719][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4808.314719][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4808.314719][ T72] fib6_nh_init+0xa22/0x1580 [ 4808.314719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.314719][ T72] ip6_route_add+0x1c/0x140 [ 4808.314719][ T72] inet6_rtm_newroute+0x104/0x110 [ 4808.314719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.314719][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.314719][ T72] netlink_unicast+0x449/0x710 [ 4808.314719][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.314719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.314719][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.314719][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.314719][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.314719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.314719][ T72] [ 4808.317841][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4808.317841][ T72] dst_init+0x84/0x4a0 [ 4808.317841][ T72] dst_alloc+0x97/0x150 [ 4808.317841][ T72] ip6_dst_alloc+0x23/0x90 [ 4808.317841][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4808.317841][ T72] ip6_pol_route+0x56f/0x840 [ 4808.317841][ T72] fib6_rule_lookup+0x456/0x630 [ 4808.317841][ T72] ip6_route_input+0x59c/0xa50 [ 4808.317841][ T72] ipv6_rcv+0x397/0x810 [ 4808.317841][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4808.317841][ T72] process_backlog+0x101/0x620 [ 4808.317841][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4808.317841][ T72] net_rx_action+0x495/0xbe0 [ 4808.317841][ T72] __do_softirq+0x1b5/0x7f6 [ 4808.317841][ T72] [ 4808.320576][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4808.320576][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.320576][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.320576][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.320576][ T72] ip6_route_add+0x1c/0x140 [ 4808.320576][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4808.320576][ T72] inet6_addr_add+0x4f8/0xa40 [ 4808.320576][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.320576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.320576][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.320576][ T72] netlink_unicast+0x449/0x710 [ 4808.320576][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.320576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.320576][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.320576][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.320576][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.320576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.320576][ T72] [ 4808.324256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4808.324256][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.324256][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.324256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.324256][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4808.324256][ T72] ipv6_add_addr+0x411/0x2000 [ 4808.324256][ T72] inet6_addr_add+0x30e/0xa40 [ 4808.324256][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.324256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.324256][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.324256][ T72] netlink_unicast+0x449/0x710 [ 4808.324256][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.324256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.324256][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.324256][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.324256][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.324256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.324256][ T72] [ 4808.327959][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4808.327959][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.327959][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.327959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.327959][ T72] ip6_route_add+0x1c/0x140 [ 4808.327959][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.327959][ T72] addrconf_add_dev+0xe2/0x170 [ 4808.327959][ T72] inet6_addr_add+0x12f/0xa40 [ 4808.327959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.327959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.327959][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.327959][ T72] netlink_unicast+0x449/0x710 [ 4808.327959][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.327959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.327959][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.327959][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.327959][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.327959][ T72] [ 4808.332623][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4808.332623][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4808.332623][ T72] ipv6_find_idev+0x102/0x170 [ 4808.332623][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.332623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.332623][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.332623][ T72] netlink_unicast+0x449/0x710 [ 4808.332623][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.332623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.332623][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.332623][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.332623][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.332623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.332623][ T72] [ 4808.335457][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4808.335457][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4808.335457][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4808.335457][ T72] ipv6_find_idev+0x102/0x170 [ 4808.335457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.335457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.335457][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.335457][ T72] netlink_unicast+0x449/0x710 [ 4808.335457][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.335457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.335457][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.335457][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.335457][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.335457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.335457][ T72] [ 4808.338968][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4808.339415][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4808.339415][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.339415][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.339415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.339415][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4808.339415][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4808.339415][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4808.339415][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4808.339415][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4808.339415][ T72] addrconf_dad_begin+0x310/0x670 [ 4808.339415][ T72] addrconf_dad_work+0x10b/0xab0 [ 4808.339415][ T72] process_one_work+0x84d/0x18a0 [ 4808.339415][ T72] worker_thread+0x587/0xd30 [ 4808.339415][ T72] kthread+0x28a/0x350 [ 4808.339415][ T72] ret_from_fork+0x31/0x70 [ 4808.339415][ T72] ret_from_fork_asm+0x1a/0x30 [ 4808.339415][ T72] [ 4808.342998][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4808.342998][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.342998][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.342998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.342998][ T72] ip6_route_add+0x1c/0x140 [ 4808.342998][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4808.342998][ T72] inet6_addr_add+0x4f8/0xa40 [ 4808.342998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.342998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.342998][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.342998][ T72] netlink_unicast+0x449/0x710 [ 4808.342998][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.342998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.342998][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.342998][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.342998][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.342998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.342998][ T72] [ 4808.346574][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4808.346574][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.346574][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.346574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.346574][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4808.346574][ T72] ipv6_add_addr+0x411/0x2000 [ 4808.346574][ T72] inet6_addr_add+0x30e/0xa40 [ 4808.346574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.346574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.346574][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.346574][ T72] netlink_unicast+0x449/0x710 [ 4808.346574][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.346574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.346574][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.346574][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.346574][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.346574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.346574][ T72] [ 4808.349947][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4808.349947][ T72] netdev_get_by_index+0x5e/0x80 [ 4808.349947][ T72] fib6_nh_init+0x3d8/0x1580 [ 4808.349947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4808.349947][ T72] ip6_route_add+0x1c/0x140 [ 4808.349947][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.349947][ T72] addrconf_add_dev+0xe2/0x170 [ 4808.349947][ T72] inet6_addr_add+0x12f/0xa40 [ 4808.349947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.349947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.349947][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.349947][ T72] netlink_unicast+0x449/0x710 [ 4808.349947][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.349947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.349947][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.349947][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.349947][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.349947][ T72] [ 4808.353269][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4808.353269][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4808.353269][ T72] ipv6_find_idev+0x102/0x170 [ 4808.353269][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.353269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.353269][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.353269][ T72] netlink_unicast+0x449/0x710 [ 4808.353269][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.353269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.353269][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.353269][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.353269][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.353269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.353269][ T72] [ 4808.356140][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4808.356140][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4808.356140][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4808.356140][ T72] ipv6_find_idev+0x102/0x170 [ 4808.356140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.356140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.356140][ T72] netlink_rcv_skb+0x130/0x360 [ 4808.356140][ T72] netlink_unicast+0x449/0x710 [ 4808.356140][ T72] netlink_sendmsg+0x723/0xbe0 [ 4808.356140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4808.356140][ T72] ___sys_sendmsg+0xee/0x170 [ 4808.356140][ T72] __sys_sendmsg+0xcd/0x170 [ 4808.356140][ T72] do_syscall_64+0xc6/0x1e0 [ 4808.356140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.356140][ T72] [ 4818.408903][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4818.409418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4818.409418][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4818.409418][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4818.409418][ T72] fib6_nh_init+0xa22/0x1580 [ 4818.409418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.409418][ T72] ip6_route_add+0x1c/0x140 [ 4818.409418][ T72] inet6_rtm_newroute+0x104/0x110 [ 4818.409418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.409418][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.409418][ T72] netlink_unicast+0x449/0x710 [ 4818.409418][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.409418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.409418][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.409418][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.409418][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.409418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.409418][ T72] [ 4818.411609][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4818.411609][ T72] dst_init+0x84/0x4a0 [ 4818.411609][ T72] dst_alloc+0x97/0x150 [ 4818.411609][ T72] ip6_dst_alloc+0x23/0x90 [ 4818.411609][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4818.411609][ T72] ip6_pol_route+0x56f/0x840 [ 4818.411609][ T72] fib6_rule_lookup+0x456/0x630 [ 4818.411609][ T72] ip6_route_input+0x59c/0xa50 [ 4818.411609][ T72] ipv6_rcv+0x397/0x810 [ 4818.411609][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4818.411609][ T72] process_backlog+0x101/0x620 [ 4818.411609][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4818.411609][ T72] net_rx_action+0x495/0xbe0 [ 4818.411609][ T72] __do_softirq+0x1b5/0x7f6 [ 4818.411609][ T72] [ 4818.413501][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4818.413501][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.413501][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.413501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.413501][ T72] ip6_route_add+0x1c/0x140 [ 4818.413501][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4818.413501][ T72] inet6_addr_add+0x4f8/0xa40 [ 4818.413501][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.413501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.413501][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.413501][ T72] netlink_unicast+0x449/0x710 [ 4818.413501][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.413501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.413501][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.413501][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.413501][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.413501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.413501][ T72] [ 4818.415823][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4818.415823][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.415823][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.415823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.415823][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4818.415823][ T72] ipv6_add_addr+0x411/0x2000 [ 4818.415823][ T72] inet6_addr_add+0x30e/0xa40 [ 4818.415823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.415823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.415823][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.415823][ T72] netlink_unicast+0x449/0x710 [ 4818.415823][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.415823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.415823][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.415823][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.415823][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.415823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.415823][ T72] [ 4818.418138][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4818.418138][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.418138][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.418138][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.418138][ T72] ip6_route_add+0x1c/0x140 [ 4818.418138][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4818.418138][ T72] addrconf_add_dev+0xe2/0x170 [ 4818.418138][ T72] inet6_addr_add+0x12f/0xa40 [ 4818.418138][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.418138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.418138][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.418138][ T72] netlink_unicast+0x449/0x710 [ 4818.418138][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.418138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.418138][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.418138][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.418138][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.418138][ T72] [ 4818.420405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4818.420405][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4818.420405][ T72] ipv6_find_idev+0x102/0x170 [ 4818.420405][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.420405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.420405][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.420405][ T72] netlink_unicast+0x449/0x710 [ 4818.420405][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.420405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.420405][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.420405][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.420405][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.420405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.420405][ T72] [ 4818.422172][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4818.422172][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4818.422172][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4818.422172][ T72] ipv6_find_idev+0x102/0x170 [ 4818.422172][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.422172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.422172][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.422172][ T72] netlink_unicast+0x449/0x710 [ 4818.422172][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.422172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.422172][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.422172][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.422172][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.422172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.422172][ T72] [ 4818.424104][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4818.424402][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4818.424402][ T72] dst_init+0x84/0x4a0 [ 4818.424402][ T72] dst_alloc+0x97/0x150 [ 4818.424402][ T72] ip6_dst_alloc+0x23/0x90 [ 4818.424402][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4818.424402][ T72] ip6_pol_route+0x56f/0x840 [ 4818.424402][ T72] fib6_rule_lookup+0x456/0x630 [ 4818.424402][ T72] ip6_route_input+0x59c/0xa50 [ 4818.424402][ T72] ipv6_rcv+0x397/0x810 [ 4818.424402][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4818.424402][ T72] process_backlog+0x101/0x620 [ 4818.424402][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4818.424402][ T72] net_rx_action+0x495/0xbe0 [ 4818.424402][ T72] __do_softirq+0x1b5/0x7f6 [ 4818.424402][ T72] [ 4818.426311][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4818.426311][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.426311][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.426311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.426311][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4818.426311][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4818.426311][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4818.426311][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4818.426311][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4818.426311][ T72] addrconf_dad_begin+0x310/0x670 [ 4818.426311][ T72] addrconf_dad_work+0x10b/0xab0 [ 4818.426311][ T72] process_one_work+0x84d/0x18a0 [ 4818.426311][ T72] worker_thread+0x587/0xd30 [ 4818.426311][ T72] kthread+0x28a/0x350 [ 4818.426311][ T72] ret_from_fork+0x31/0x70 [ 4818.426311][ T72] ret_from_fork_asm+0x1a/0x30 [ 4818.426311][ T72] [ 4818.428521][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4818.428521][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.428521][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.428521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.428521][ T72] ip6_route_add+0x1c/0x140 [ 4818.428521][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4818.428521][ T72] inet6_addr_add+0x4f8/0xa40 [ 4818.428521][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.428521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.428521][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.428521][ T72] netlink_unicast+0x449/0x710 [ 4818.428521][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.428521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.428521][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.428521][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.428521][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.428521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.428521][ T72] [ 4818.430818][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4818.430818][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.430818][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.430818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.430818][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4818.430818][ T72] ipv6_add_addr+0x411/0x2000 [ 4818.430818][ T72] inet6_addr_add+0x30e/0xa40 [ 4818.430818][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.430818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.430818][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.430818][ T72] netlink_unicast+0x449/0x710 [ 4818.430818][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.430818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.430818][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.430818][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.430818][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.430818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.430818][ T72] [ 4818.433134][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4818.433134][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.433134][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.433134][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.433134][ T72] ip6_route_add+0x1c/0x140 [ 4818.433134][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4818.433134][ T72] addrconf_add_dev+0xe2/0x170 [ 4818.433134][ T72] inet6_addr_add+0x12f/0xa40 [ 4818.433134][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.433134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.433134][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.433134][ T72] netlink_unicast+0x449/0x710 [ 4818.433134][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.433134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.433134][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.433134][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.433134][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.433134][ T72] [ 4818.435411][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4818.435411][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4818.435411][ T72] ipv6_find_idev+0x102/0x170 [ 4818.435411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.435411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.435411][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.435411][ T72] netlink_unicast+0x449/0x710 [ 4818.435411][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.435411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.435411][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.435411][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.435411][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.435411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.435411][ T72] [ 4818.437183][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4818.437183][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4818.437183][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4818.437183][ T72] ipv6_find_idev+0x102/0x170 [ 4818.437183][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.437183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.437183][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.437183][ T72] netlink_unicast+0x449/0x710 [ 4818.437183][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.437183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.437183][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.437183][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.437183][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.437183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.437183][ T72] [ 4818.439225][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4818.439533][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4818.439533][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4818.439533][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4818.439533][ T72] fib6_nh_init+0xa22/0x1580 [ 4818.439533][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.439533][ T72] ip6_route_add+0x1c/0x140 [ 4818.439533][ T72] inet6_rtm_newroute+0x104/0x110 [ 4818.439533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.439533][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.439533][ T72] netlink_unicast+0x449/0x710 [ 4818.439533][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.439533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.439533][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.439533][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.439533][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.439533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.439533][ T72] [ 4818.441999][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4818.441999][ T72] dst_init+0x84/0x4a0 [ 4818.441999][ T72] dst_alloc+0x97/0x150 [ 4818.441999][ T72] ip6_dst_alloc+0x23/0x90 [ 4818.441999][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4818.441999][ T72] ip6_pol_route+0x56f/0x840 [ 4818.441999][ T72] fib6_rule_lookup+0x456/0x630 [ 4818.441999][ T72] ip6_route_input+0x59c/0xa50 [ 4818.441999][ T72] ipv6_rcv+0x397/0x810 [ 4818.441999][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4818.441999][ T72] process_backlog+0x101/0x620 [ 4818.441999][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4818.441999][ T72] net_rx_action+0x495/0xbe0 [ 4818.441999][ T72] __do_softirq+0x1b5/0x7f6 [ 4818.441999][ T72] [ 4818.444063][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4818.444063][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.444063][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.444063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.444063][ T72] ip6_route_add+0x1c/0x140 [ 4818.444063][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4818.444063][ T72] inet6_addr_add+0x4f8/0xa40 [ 4818.444063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.444063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.444063][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.444063][ T72] netlink_unicast+0x449/0x710 [ 4818.444063][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.444063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.444063][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.444063][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.444063][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.444063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.444063][ T72] [ 4818.446568][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4818.446568][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.446568][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.446568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.446568][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4818.446568][ T72] ipv6_add_addr+0x411/0x2000 [ 4818.446568][ T72] inet6_addr_add+0x30e/0xa40 [ 4818.446568][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.446568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.446568][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.446568][ T72] netlink_unicast+0x449/0x710 [ 4818.446568][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.446568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.446568][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.446568][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.446568][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.446568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.446568][ T72] [ 4818.449099][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4818.449099][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.449099][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.449099][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.449099][ T72] ip6_route_add+0x1c/0x140 [ 4818.449099][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4818.449099][ T72] addrconf_add_dev+0xe2/0x170 [ 4818.449099][ T72] inet6_addr_add+0x12f/0xa40 [ 4818.449099][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.449099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.449099][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.449099][ T72] netlink_unicast+0x449/0x710 [ 4818.449099][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.449099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.449099][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.449099][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.449099][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.449099][ T72] [ 4818.451672][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4818.451672][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4818.451672][ T72] ipv6_find_idev+0x102/0x170 [ 4818.451672][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.451672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.451672][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.451672][ T72] netlink_unicast+0x449/0x710 [ 4818.451672][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.451672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.451672][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.451672][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.451672][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.451672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.451672][ T72] [ 4818.453617][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4818.453617][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4818.453617][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4818.453617][ T72] ipv6_find_idev+0x102/0x170 [ 4818.453617][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.453617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.453617][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.453617][ T72] netlink_unicast+0x449/0x710 [ 4818.453617][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.453617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.453617][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.453617][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.453617][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.453617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.453617][ T72] [ 4818.455742][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4818.456112][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4818.456112][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.456112][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.456112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.456112][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4818.456112][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4818.456112][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4818.456112][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4818.456112][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4818.456112][ T72] addrconf_dad_begin+0x310/0x670 [ 4818.456112][ T72] addrconf_dad_work+0x10b/0xab0 [ 4818.456112][ T72] process_one_work+0x84d/0x18a0 [ 4818.456112][ T72] worker_thread+0x587/0xd30 [ 4818.456112][ T72] kthread+0x28a/0x350 [ 4818.456112][ T72] ret_from_fork+0x31/0x70 [ 4818.456112][ T72] ret_from_fork_asm+0x1a/0x30 [ 4818.456112][ T72] [ 4818.458482][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4818.458482][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.458482][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.458482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.458482][ T72] ip6_route_add+0x1c/0x140 [ 4818.458482][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4818.458482][ T72] inet6_addr_add+0x4f8/0xa40 [ 4818.458482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.458482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.458482][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.458482][ T72] netlink_unicast+0x449/0x710 [ 4818.458482][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.458482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.458482][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.458482][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.458482][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.458482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.458482][ T72] [ 4818.461028][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4818.461028][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.461028][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.461028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.461028][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4818.461028][ T72] ipv6_add_addr+0x411/0x2000 [ 4818.461028][ T72] inet6_addr_add+0x30e/0xa40 [ 4818.461028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.461028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.461028][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.461028][ T72] netlink_unicast+0x449/0x710 [ 4818.461028][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.461028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.461028][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.461028][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.461028][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.461028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.461028][ T72] [ 4818.463542][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4818.463542][ T72] netdev_get_by_index+0x5e/0x80 [ 4818.463542][ T72] fib6_nh_init+0x3d8/0x1580 [ 4818.463542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4818.463542][ T72] ip6_route_add+0x1c/0x140 [ 4818.463542][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4818.463542][ T72] addrconf_add_dev+0xe2/0x170 [ 4818.463542][ T72] inet6_addr_add+0x12f/0xa40 [ 4818.463542][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.463542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.463542][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.463542][ T72] netlink_unicast+0x449/0x710 [ 4818.463542][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.463542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.463542][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.463542][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.463542][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.463542][ T72] [ 4818.465951][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4818.465951][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4818.465951][ T72] ipv6_find_idev+0x102/0x170 [ 4818.465951][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.465951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.465951][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.465951][ T72] netlink_unicast+0x449/0x710 [ 4818.465951][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.465951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.465951][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.465951][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.465951][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.465951][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.465951][ T72] [ 4818.467821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4818.467821][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4818.467821][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4818.467821][ T72] ipv6_find_idev+0x102/0x170 [ 4818.467821][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.467821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.467821][ T72] netlink_rcv_skb+0x130/0x360 [ 4818.467821][ T72] netlink_unicast+0x449/0x710 [ 4818.467821][ T72] netlink_sendmsg+0x723/0xbe0 [ 4818.467821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4818.467821][ T72] ___sys_sendmsg+0xee/0x170 [ 4818.467821][ T72] __sys_sendmsg+0xcd/0x170 [ 4818.467821][ T72] do_syscall_64+0xc6/0x1e0 [ 4818.467821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.467821][ T72] [ 4828.632903][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4828.633398][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4828.633398][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4828.633398][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4828.633398][ T72] fib6_nh_init+0xa22/0x1580 [ 4828.633398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.633398][ T72] ip6_route_add+0x1c/0x140 [ 4828.633398][ T72] inet6_rtm_newroute+0x104/0x110 [ 4828.633398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.633398][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.633398][ T72] netlink_unicast+0x449/0x710 [ 4828.633398][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.633398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.633398][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.633398][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.633398][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.633398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.633398][ T72] [ 4828.635715][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4828.635715][ T72] dst_init+0x84/0x4a0 [ 4828.635715][ T72] dst_alloc+0x97/0x150 [ 4828.635715][ T72] ip6_dst_alloc+0x23/0x90 [ 4828.635715][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4828.635715][ T72] ip6_pol_route+0x56f/0x840 [ 4828.635715][ T72] fib6_rule_lookup+0x456/0x630 [ 4828.635715][ T72] ip6_route_input+0x59c/0xa50 [ 4828.635715][ T72] ipv6_rcv+0x397/0x810 [ 4828.635715][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4828.635715][ T72] process_backlog+0x101/0x620 [ 4828.635715][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4828.635715][ T72] net_rx_action+0x495/0xbe0 [ 4828.635715][ T72] __do_softirq+0x1b5/0x7f6 [ 4828.635715][ T72] [ 4828.637369][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4828.637369][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.637369][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.637369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.637369][ T72] ip6_route_add+0x1c/0x140 [ 4828.637369][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4828.637369][ T72] inet6_addr_add+0x4f8/0xa40 [ 4828.637369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.637369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.637369][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.637369][ T72] netlink_unicast+0x449/0x710 [ 4828.637369][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.637369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.637369][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.637369][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.637369][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.637369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.637369][ T72] [ 4828.639373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4828.639373][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.639373][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.639373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.639373][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4828.639373][ T72] ipv6_add_addr+0x411/0x2000 [ 4828.639373][ T72] inet6_addr_add+0x30e/0xa40 [ 4828.639373][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.639373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.639373][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.639373][ T72] netlink_unicast+0x449/0x710 [ 4828.639373][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.639373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.639373][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.639373][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.639373][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.639373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.639373][ T72] [ 4828.641383][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4828.641383][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.641383][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.641383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.641383][ T72] ip6_route_add+0x1c/0x140 [ 4828.641383][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4828.641383][ T72] addrconf_add_dev+0xe2/0x170 [ 4828.641383][ T72] inet6_addr_add+0x12f/0xa40 [ 4828.641383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.641383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.641383][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.641383][ T72] netlink_unicast+0x449/0x710 [ 4828.641383][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.641383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.641383][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.641383][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.641383][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.641383][ T72] [ 4828.643364][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4828.643364][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4828.643364][ T72] ipv6_find_idev+0x102/0x170 [ 4828.643364][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.643364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.643364][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.643364][ T72] netlink_unicast+0x449/0x710 [ 4828.643364][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.643364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.643364][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.643364][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.643364][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.643364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.643364][ T72] [ 4828.644908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4828.644908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4828.644908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4828.644908][ T72] ipv6_find_idev+0x102/0x170 [ 4828.644908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.644908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.644908][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.644908][ T72] netlink_unicast+0x449/0x710 [ 4828.644908][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.644908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.644908][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.644908][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.644908][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.644908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.644908][ T72] [ 4828.646618][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4828.646901][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4828.646901][ T72] dst_init+0x84/0x4a0 [ 4828.646901][ T72] dst_alloc+0x97/0x150 [ 4828.646901][ T72] ip6_dst_alloc+0x23/0x90 [ 4828.646901][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4828.646901][ T72] ip6_pol_route+0x56f/0x840 [ 4828.646901][ T72] fib6_rule_lookup+0x456/0x630 [ 4828.646901][ T72] ip6_route_input+0x59c/0xa50 [ 4828.646901][ T72] ipv6_rcv+0x397/0x810 [ 4828.646901][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4828.646901][ T72] process_backlog+0x101/0x620 [ 4828.646901][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4828.646901][ T72] net_rx_action+0x495/0xbe0 [ 4828.646901][ T72] __do_softirq+0x1b5/0x7f6 [ 4828.646901][ T72] [ 4828.648922][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4828.648922][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.648922][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.648922][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.648922][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4828.648922][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4828.648922][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4828.648922][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4828.648922][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4828.648922][ T72] addrconf_dad_begin+0x310/0x670 [ 4828.648922][ T72] addrconf_dad_work+0x10b/0xab0 [ 4828.648922][ T72] process_one_work+0x84d/0x18a0 [ 4828.648922][ T72] worker_thread+0x587/0xd30 [ 4828.648922][ T72] kthread+0x28a/0x350 [ 4828.648922][ T72] ret_from_fork+0x31/0x70 [ 4828.648922][ T72] ret_from_fork_asm+0x1a/0x30 [ 4828.648922][ T72] [ 4828.650835][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4828.650835][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.650835][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.650835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.650835][ T72] ip6_route_add+0x1c/0x140 [ 4828.650835][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4828.650835][ T72] inet6_addr_add+0x4f8/0xa40 [ 4828.650835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.650835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.650835][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.650835][ T72] netlink_unicast+0x449/0x710 [ 4828.650835][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.650835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.650835][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.650835][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.650835][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.650835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.650835][ T72] [ 4828.652836][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4828.652836][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.652836][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.652836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.652836][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4828.652836][ T72] ipv6_add_addr+0x411/0x2000 [ 4828.652836][ T72] inet6_addr_add+0x30e/0xa40 [ 4828.652836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.652836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.652836][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.652836][ T72] netlink_unicast+0x449/0x710 [ 4828.652836][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.652836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.652836][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.652836][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.652836][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.652836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.652836][ T72] [ 4828.654839][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4828.654839][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.654839][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.654839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.654839][ T72] ip6_route_add+0x1c/0x140 [ 4828.654839][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4828.654839][ T72] addrconf_add_dev+0xe2/0x170 [ 4828.654839][ T72] inet6_addr_add+0x12f/0xa40 [ 4828.654839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.654839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.654839][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.654839][ T72] netlink_unicast+0x449/0x710 [ 4828.654839][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.654839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.654839][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.654839][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.654839][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.654839][ T72] [ 4828.656811][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4828.656811][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4828.656811][ T72] ipv6_find_idev+0x102/0x170 [ 4828.656811][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.656811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.656811][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.656811][ T72] netlink_unicast+0x449/0x710 [ 4828.656811][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.656811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.656811][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.656811][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.656811][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.656811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.656811][ T72] [ 4828.658352][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4828.658352][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4828.658352][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4828.658352][ T72] ipv6_find_idev+0x102/0x170 [ 4828.658352][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.658352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.658352][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.658352][ T72] netlink_unicast+0x449/0x710 [ 4828.658352][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.658352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.658352][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.658352][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.658352][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.658352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.658352][ T72] [ 4828.660194][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4828.660468][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4828.660468][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4828.660468][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4828.660468][ T72] fib6_nh_init+0xa22/0x1580 [ 4828.660468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.660468][ T72] ip6_route_add+0x1c/0x140 [ 4828.660468][ T72] inet6_rtm_newroute+0x104/0x110 [ 4828.660468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.660468][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.660468][ T72] netlink_unicast+0x449/0x710 [ 4828.660468][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.660468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.660468][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.660468][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.660468][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.660468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.660468][ T72] [ 4828.662648][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4828.662648][ T72] dst_init+0x84/0x4a0 [ 4828.662648][ T72] dst_alloc+0x97/0x150 [ 4828.662648][ T72] ip6_dst_alloc+0x23/0x90 [ 4828.662648][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4828.662648][ T72] ip6_pol_route+0x56f/0x840 [ 4828.662648][ T72] fib6_rule_lookup+0x456/0x630 [ 4828.662648][ T72] ip6_route_input+0x59c/0xa50 [ 4828.662648][ T72] ipv6_rcv+0x397/0x810 [ 4828.662648][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4828.662648][ T72] process_backlog+0x101/0x620 [ 4828.662648][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4828.662648][ T72] net_rx_action+0x495/0xbe0 [ 4828.662648][ T72] __do_softirq+0x1b5/0x7f6 [ 4828.662648][ T72] [ 4828.664462][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4828.664462][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.664462][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.664462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.664462][ T72] ip6_route_add+0x1c/0x140 [ 4828.664462][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4828.664462][ T72] inet6_addr_add+0x4f8/0xa40 [ 4828.664462][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.664462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.664462][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.664462][ T72] netlink_unicast+0x449/0x710 [ 4828.664462][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.664462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.664462][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.664462][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.664462][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.664462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.664462][ T72] [ 4828.666719][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4828.666719][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.666719][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.666719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.666719][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4828.666719][ T72] ipv6_add_addr+0x411/0x2000 [ 4828.666719][ T72] inet6_addr_add+0x30e/0xa40 [ 4828.666719][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.666719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.666719][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.666719][ T72] netlink_unicast+0x449/0x710 [ 4828.666719][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.666719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.666719][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.666719][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.666719][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.666719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.666719][ T72] [ 4828.668903][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4828.668903][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.668903][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.668903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.668903][ T72] ip6_route_add+0x1c/0x140 [ 4828.668903][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4828.668903][ T72] addrconf_add_dev+0xe2/0x170 [ 4828.668903][ T72] inet6_addr_add+0x12f/0xa40 [ 4828.668903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.668903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.668903][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.668903][ T72] netlink_unicast+0x449/0x710 [ 4828.668903][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.668903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.668903][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.668903][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.668903][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.668903][ T72] [ 4828.671165][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4828.671165][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4828.671165][ T72] ipv6_find_idev+0x102/0x170 [ 4828.671165][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.671165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.671165][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.671165][ T72] netlink_unicast+0x449/0x710 [ 4828.671165][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.671165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.671165][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.671165][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.671165][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.671165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.671165][ T72] [ 4828.672886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4828.672886][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4828.672886][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4828.672886][ T72] ipv6_find_idev+0x102/0x170 [ 4828.672886][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.672886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.672886][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.672886][ T72] netlink_unicast+0x449/0x710 [ 4828.672886][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.672886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.672886][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.672886][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.672886][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.672886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.672886][ T72] [ 4828.674757][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4828.675559][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4828.675559][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.675559][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.675559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.675559][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4828.675559][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4828.675559][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4828.675559][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4828.675559][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4828.675559][ T72] addrconf_dad_begin+0x310/0x670 [ 4828.675559][ T72] addrconf_dad_work+0x10b/0xab0 [ 4828.675559][ T72] process_one_work+0x84d/0x18a0 [ 4828.675559][ T72] worker_thread+0x587/0xd30 [ 4828.675559][ T72] kthread+0x28a/0x350 [ 4828.675559][ T72] ret_from_fork+0x31/0x70 [ 4828.675559][ T72] ret_from_fork_asm+0x1a/0x30 [ 4828.675559][ T72] [ 4828.677474][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4828.677474][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.677474][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.677474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.677474][ T72] ip6_route_add+0x1c/0x140 [ 4828.677474][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4828.677474][ T72] inet6_addr_add+0x4f8/0xa40 [ 4828.677474][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.677474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.677474][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.677474][ T72] netlink_unicast+0x449/0x710 [ 4828.677474][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.677474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.677474][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.677474][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.677474][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.677474][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.677474][ T72] [ 4828.679482][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4828.679482][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.679482][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.679482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.679482][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4828.679482][ T72] ipv6_add_addr+0x411/0x2000 [ 4828.679482][ T72] inet6_addr_add+0x30e/0xa40 [ 4828.679482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.679482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.679482][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.679482][ T72] netlink_unicast+0x449/0x710 [ 4828.679482][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.679482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.679482][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.679482][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.679482][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.679482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.679482][ T72] [ 4828.681739][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4828.681739][ T72] netdev_get_by_index+0x5e/0x80 [ 4828.681739][ T72] fib6_nh_init+0x3d8/0x1580 [ 4828.681739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4828.681739][ T72] ip6_route_add+0x1c/0x140 [ 4828.681739][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4828.681739][ T72] addrconf_add_dev+0xe2/0x170 [ 4828.681739][ T72] inet6_addr_add+0x12f/0xa40 [ 4828.681739][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.681739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.681739][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.681739][ T72] netlink_unicast+0x449/0x710 [ 4828.681739][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.681739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.681739][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.681739][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.681739][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.681739][ T72] [ 4828.684012][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4828.684012][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4828.684012][ T72] ipv6_find_idev+0x102/0x170 [ 4828.684012][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.684012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.684012][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.684012][ T72] netlink_unicast+0x449/0x710 [ 4828.684012][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.684012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.684012][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.684012][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.684012][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.684012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.684012][ T72] [ 4828.685741][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4828.685741][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4828.685741][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4828.685741][ T72] ipv6_find_idev+0x102/0x170 [ 4828.685741][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.685741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.685741][ T72] netlink_rcv_skb+0x130/0x360 [ 4828.685741][ T72] netlink_unicast+0x449/0x710 [ 4828.685741][ T72] netlink_sendmsg+0x723/0xbe0 [ 4828.685741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4828.685741][ T72] ___sys_sendmsg+0xee/0x170 [ 4828.685741][ T72] __sys_sendmsg+0xcd/0x170 [ 4828.685741][ T72] do_syscall_64+0xc6/0x1e0 [ 4828.685741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.685741][ T72] [ 4838.864903][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4838.865359][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4838.865359][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4838.865359][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4838.865359][ T72] fib6_nh_init+0xa22/0x1580 [ 4838.865359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.865359][ T72] ip6_route_add+0x1c/0x140 [ 4838.865359][ T72] inet6_rtm_newroute+0x104/0x110 [ 4838.865359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.865359][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.865359][ T72] netlink_unicast+0x449/0x710 [ 4838.865359][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.865359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.865359][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.865359][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.865359][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.865359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.865359][ T72] [ 4838.867282][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4838.867282][ T72] dst_init+0x84/0x4a0 [ 4838.867282][ T72] dst_alloc+0x97/0x150 [ 4838.867282][ T72] ip6_dst_alloc+0x23/0x90 [ 4838.867282][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4838.867282][ T72] ip6_pol_route+0x56f/0x840 [ 4838.867282][ T72] fib6_rule_lookup+0x456/0x630 [ 4838.867282][ T72] ip6_route_input+0x59c/0xa50 [ 4838.867282][ T72] ipv6_rcv+0x397/0x810 [ 4838.867282][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4838.867282][ T72] process_backlog+0x101/0x620 [ 4838.867282][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4838.867282][ T72] net_rx_action+0x495/0xbe0 [ 4838.867282][ T72] __do_softirq+0x1b5/0x7f6 [ 4838.867282][ T72] [ 4838.868932][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4838.868932][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.868932][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.868932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.868932][ T72] ip6_route_add+0x1c/0x140 [ 4838.868932][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4838.868932][ T72] inet6_addr_add+0x4f8/0xa40 [ 4838.868932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.868932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.868932][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.868932][ T72] netlink_unicast+0x449/0x710 [ 4838.868932][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.868932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.868932][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.868932][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.868932][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.868932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.868932][ T72] [ 4838.870945][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4838.870945][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.870945][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.870945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.870945][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4838.870945][ T72] ipv6_add_addr+0x411/0x2000 [ 4838.870945][ T72] inet6_addr_add+0x30e/0xa40 [ 4838.870945][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.870945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.870945][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.870945][ T72] netlink_unicast+0x449/0x710 [ 4838.870945][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.870945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.870945][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.870945][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.870945][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.870945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.870945][ T72] [ 4838.872964][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4838.872964][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.872964][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.872964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.872964][ T72] ip6_route_add+0x1c/0x140 [ 4838.872964][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4838.872964][ T72] addrconf_add_dev+0xe2/0x170 [ 4838.872964][ T72] inet6_addr_add+0x12f/0xa40 [ 4838.872964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.872964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.872964][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.872964][ T72] netlink_unicast+0x449/0x710 [ 4838.872964][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.872964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.872964][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.872964][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.872964][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.872964][ T72] [ 4838.874946][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4838.874946][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4838.874946][ T72] ipv6_find_idev+0x102/0x170 [ 4838.874946][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.874946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.874946][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.874946][ T72] netlink_unicast+0x449/0x710 [ 4838.874946][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.874946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.874946][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.874946][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.874946][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.874946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.874946][ T72] [ 4838.876504][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4838.876504][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4838.876504][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4838.876504][ T72] ipv6_find_idev+0x102/0x170 [ 4838.876504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.876504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.876504][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.876504][ T72] netlink_unicast+0x449/0x710 [ 4838.876504][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.876504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.876504][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.876504][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.876504][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.876504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.876504][ T72] [ 4838.878211][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4838.878487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4838.878487][ T72] dst_init+0x84/0x4a0 [ 4838.878487][ T72] dst_alloc+0x97/0x150 [ 4838.878487][ T72] ip6_dst_alloc+0x23/0x90 [ 4838.878487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4838.878487][ T72] ip6_pol_route+0x56f/0x840 [ 4838.878487][ T72] fib6_rule_lookup+0x456/0x630 [ 4838.878487][ T72] ip6_route_input+0x59c/0xa50 [ 4838.878487][ T72] ipv6_rcv+0x397/0x810 [ 4838.878487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4838.878487][ T72] process_backlog+0x101/0x620 [ 4838.878487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4838.878487][ T72] net_rx_action+0x495/0xbe0 [ 4838.878487][ T72] __do_softirq+0x1b5/0x7f6 [ 4838.878487][ T72] [ 4838.880127][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4838.880127][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.880127][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.880127][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.880127][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4838.880127][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4838.880127][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4838.880127][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4838.880127][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4838.880127][ T72] addrconf_dad_begin+0x310/0x670 [ 4838.880127][ T72] addrconf_dad_work+0x10b/0xab0 [ 4838.880127][ T72] process_one_work+0x84d/0x18a0 [ 4838.880127][ T72] worker_thread+0x587/0xd30 [ 4838.880127][ T72] kthread+0x28a/0x350 [ 4838.880127][ T72] ret_from_fork+0x31/0x70 [ 4838.880127][ T72] ret_from_fork_asm+0x1a/0x30 [ 4838.880127][ T72] [ 4838.882046][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4838.882046][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.882046][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.882046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.882046][ T72] ip6_route_add+0x1c/0x140 [ 4838.882046][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4838.882046][ T72] inet6_addr_add+0x4f8/0xa40 [ 4838.882046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.882046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.882046][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.882046][ T72] netlink_unicast+0x449/0x710 [ 4838.882046][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.882046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.882046][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.882046][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.882046][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.882046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.882046][ T72] [ 4838.884049][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4838.884049][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.884049][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.884049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.884049][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4838.884049][ T72] ipv6_add_addr+0x411/0x2000 [ 4838.884049][ T72] inet6_addr_add+0x30e/0xa40 [ 4838.884049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.884049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.884049][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.884049][ T72] netlink_unicast+0x449/0x710 [ 4838.884049][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.884049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.884049][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.884049][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.884049][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.884049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.884049][ T72] [ 4838.886060][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4838.886060][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.886060][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.886060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.886060][ T72] ip6_route_add+0x1c/0x140 [ 4838.886060][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4838.886060][ T72] addrconf_add_dev+0xe2/0x170 [ 4838.886060][ T72] inet6_addr_add+0x12f/0xa40 [ 4838.886060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.886060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.886060][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.886060][ T72] netlink_unicast+0x449/0x710 [ 4838.886060][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.886060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.886060][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.886060][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.886060][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.886060][ T72] [ 4838.888028][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4838.888028][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4838.888028][ T72] ipv6_find_idev+0x102/0x170 [ 4838.888028][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.888028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.888028][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.888028][ T72] netlink_unicast+0x449/0x710 [ 4838.888028][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.888028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.888028][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.888028][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.888028][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.888028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.888028][ T72] [ 4838.889570][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4838.889570][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4838.889570][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4838.889570][ T72] ipv6_find_idev+0x102/0x170 [ 4838.889570][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.889570][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.889570][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.889570][ T72] netlink_unicast+0x449/0x710 [ 4838.889570][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.889570][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.889570][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.889570][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.889570][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.889570][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.889570][ T72] [ 4838.891405][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4838.891677][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4838.891677][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4838.891677][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4838.891677][ T72] fib6_nh_init+0xa22/0x1580 [ 4838.891677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.891677][ T72] ip6_route_add+0x1c/0x140 [ 4838.891677][ T72] inet6_rtm_newroute+0x104/0x110 [ 4838.891677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.891677][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.891677][ T72] netlink_unicast+0x449/0x710 [ 4838.891677][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.891677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.891677][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.891677][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.891677][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.891677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.891677][ T72] [ 4838.893871][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4838.893871][ T72] dst_init+0x84/0x4a0 [ 4838.893871][ T72] dst_alloc+0x97/0x150 [ 4838.893871][ T72] ip6_dst_alloc+0x23/0x90 [ 4838.893871][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4838.893871][ T72] ip6_pol_route+0x56f/0x840 [ 4838.893871][ T72] fib6_rule_lookup+0x456/0x630 [ 4838.893871][ T72] ip6_route_input+0x59c/0xa50 [ 4838.893871][ T72] ipv6_rcv+0x397/0x810 [ 4838.893871][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4838.893871][ T72] process_backlog+0x101/0x620 [ 4838.893871][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4838.893871][ T72] net_rx_action+0x495/0xbe0 [ 4838.893871][ T72] __do_softirq+0x1b5/0x7f6 [ 4838.893871][ T72] [ 4838.895691][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4838.895691][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.895691][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.895691][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.895691][ T72] ip6_route_add+0x1c/0x140 [ 4838.895691][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4838.895691][ T72] inet6_addr_add+0x4f8/0xa40 [ 4838.895691][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.895691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.895691][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.895691][ T72] netlink_unicast+0x449/0x710 [ 4838.895691][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.895691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.895691][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.895691][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.895691][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.895691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.895691][ T72] [ 4838.897944][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4838.897944][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.897944][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.897944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.897944][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4838.897944][ T72] ipv6_add_addr+0x411/0x2000 [ 4838.897944][ T72] inet6_addr_add+0x30e/0xa40 [ 4838.897944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.897944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.897944][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.897944][ T72] netlink_unicast+0x449/0x710 [ 4838.897944][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.897944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.897944][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.897944][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.897944][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.897944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.897944][ T72] [ 4838.900125][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4838.900125][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.900125][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.900125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.900125][ T72] ip6_route_add+0x1c/0x140 [ 4838.900125][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4838.900125][ T72] addrconf_add_dev+0xe2/0x170 [ 4838.900125][ T72] inet6_addr_add+0x12f/0xa40 [ 4838.900125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.900125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.900125][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.900125][ T72] netlink_unicast+0x449/0x710 [ 4838.900125][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.900125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.900125][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.900125][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.900125][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.900125][ T72] [ 4838.902388][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4838.902388][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4838.902388][ T72] ipv6_find_idev+0x102/0x170 [ 4838.902388][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.902388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.902388][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.902388][ T72] netlink_unicast+0x449/0x710 [ 4838.902388][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.902388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.902388][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.902388][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.902388][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.902388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.902388][ T72] [ 4838.904106][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4838.904106][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4838.904106][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4838.904106][ T72] ipv6_find_idev+0x102/0x170 [ 4838.904106][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.904106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.904106][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.904106][ T72] netlink_unicast+0x449/0x710 [ 4838.904106][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.904106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.904106][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.904106][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.904106][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.904106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.904106][ T72] [ 4838.905988][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4838.906331][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4838.906331][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.906331][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.906331][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.906331][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4838.906331][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4838.906331][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4838.906331][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4838.906331][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4838.906331][ T72] addrconf_dad_begin+0x310/0x670 [ 4838.906331][ T72] addrconf_dad_work+0x10b/0xab0 [ 4838.906331][ T72] process_one_work+0x84d/0x18a0 [ 4838.906331][ T72] worker_thread+0x587/0xd30 [ 4838.906331][ T72] kthread+0x28a/0x350 [ 4838.906331][ T72] ret_from_fork+0x31/0x70 [ 4838.906331][ T72] ret_from_fork_asm+0x1a/0x30 [ 4838.906331][ T72] [ 4838.908384][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4838.908384][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.908384][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.908384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.908384][ T72] ip6_route_add+0x1c/0x140 [ 4838.908384][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4838.908384][ T72] inet6_addr_add+0x4f8/0xa40 [ 4838.908384][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.908384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.908384][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.908384][ T72] netlink_unicast+0x449/0x710 [ 4838.908384][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.908384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.908384][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.908384][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.908384][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.908384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.908384][ T72] [ 4838.910621][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4838.910621][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.910621][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.910621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.910621][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4838.910621][ T72] ipv6_add_addr+0x411/0x2000 [ 4838.910621][ T72] inet6_addr_add+0x30e/0xa40 [ 4838.910621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.910621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.910621][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.910621][ T72] netlink_unicast+0x449/0x710 [ 4838.910621][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.910621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.910621][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.910621][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.910621][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.910621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.910621][ T72] [ 4838.912925][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4838.912925][ T72] netdev_get_by_index+0x5e/0x80 [ 4838.912925][ T72] fib6_nh_init+0x3d8/0x1580 [ 4838.912925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4838.912925][ T72] ip6_route_add+0x1c/0x140 [ 4838.912925][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4838.912925][ T72] addrconf_add_dev+0xe2/0x170 [ 4838.912925][ T72] inet6_addr_add+0x12f/0xa40 [ 4838.912925][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.912925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.912925][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.912925][ T72] netlink_unicast+0x449/0x710 [ 4838.912925][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.912925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.912925][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.912925][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.912925][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.912925][ T72] [ 4838.915126][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4838.915126][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4838.915126][ T72] ipv6_find_idev+0x102/0x170 [ 4838.915126][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.915126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.915126][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.915126][ T72] netlink_unicast+0x449/0x710 [ 4838.915126][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.915126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.915126][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.915126][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.915126][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.915126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.915126][ T72] [ 4838.916852][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4838.916852][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4838.916852][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4838.916852][ T72] ipv6_find_idev+0x102/0x170 [ 4838.916852][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.916852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.916852][ T72] netlink_rcv_skb+0x130/0x360 [ 4838.916852][ T72] netlink_unicast+0x449/0x710 [ 4838.916852][ T72] netlink_sendmsg+0x723/0xbe0 [ 4838.916852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4838.916852][ T72] ___sys_sendmsg+0xee/0x170 [ 4838.916852][ T72] __sys_sendmsg+0xcd/0x170 [ 4838.916852][ T72] do_syscall_64+0xc6/0x1e0 [ 4838.916852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.916852][ T72] [ 4848.984915][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4848.985377][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4848.985377][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4848.985377][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4848.985377][ T72] fib6_nh_init+0xa22/0x1580 [ 4848.985377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4848.985377][ T72] ip6_route_add+0x1c/0x140 [ 4848.985377][ T72] inet6_rtm_newroute+0x104/0x110 [ 4848.985377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.985377][ T72] netlink_rcv_skb+0x130/0x360 [ 4848.985377][ T72] netlink_unicast+0x449/0x710 [ 4848.985377][ T72] netlink_sendmsg+0x723/0xbe0 [ 4848.985377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4848.985377][ T72] ___sys_sendmsg+0xee/0x170 [ 4848.985377][ T72] __sys_sendmsg+0xcd/0x170 [ 4848.985377][ T72] do_syscall_64+0xc6/0x1e0 [ 4848.985377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.985377][ T72] [ 4848.987294][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4848.987294][ T72] dst_init+0x84/0x4a0 [ 4848.987294][ T72] dst_alloc+0x97/0x150 [ 4848.987294][ T72] ip6_dst_alloc+0x23/0x90 [ 4848.987294][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4848.987294][ T72] ip6_pol_route+0x56f/0x840 [ 4848.987294][ T72] fib6_rule_lookup+0x456/0x630 [ 4848.987294][ T72] ip6_route_input+0x59c/0xa50 [ 4848.987294][ T72] ipv6_rcv+0x397/0x810 [ 4848.987294][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4848.987294][ T72] process_backlog+0x101/0x620 [ 4848.987294][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4848.987294][ T72] net_rx_action+0x495/0xbe0 [ 4848.987294][ T72] __do_softirq+0x1b5/0x7f6 [ 4848.987294][ T72] [ 4848.988957][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4848.988957][ T72] netdev_get_by_index+0x5e/0x80 [ 4848.988957][ T72] fib6_nh_init+0x3d8/0x1580 [ 4848.988957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4848.988957][ T72] ip6_route_add+0x1c/0x140 [ 4848.988957][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4848.988957][ T72] inet6_addr_add+0x4f8/0xa40 [ 4848.988957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4848.988957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.988957][ T72] netlink_rcv_skb+0x130/0x360 [ 4848.988957][ T72] netlink_unicast+0x449/0x710 [ 4848.988957][ T72] netlink_sendmsg+0x723/0xbe0 [ 4848.988957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4848.988957][ T72] ___sys_sendmsg+0xee/0x170 [ 4848.988957][ T72] __sys_sendmsg+0xcd/0x170 [ 4848.988957][ T72] do_syscall_64+0xc6/0x1e0 [ 4848.988957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.988957][ T72] [ 4848.990991][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4848.990991][ T72] netdev_get_by_index+0x5e/0x80 [ 4848.990991][ T72] fib6_nh_init+0x3d8/0x1580 [ 4848.990991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4848.990991][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4848.990991][ T72] ipv6_add_addr+0x411/0x2000 [ 4848.990991][ T72] inet6_addr_add+0x30e/0xa40 [ 4848.990991][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4848.990991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.990991][ T72] netlink_rcv_skb+0x130/0x360 [ 4848.990991][ T72] netlink_unicast+0x449/0x710 [ 4848.990991][ T72] netlink_sendmsg+0x723/0xbe0 [ 4848.990991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4848.990991][ T72] ___sys_sendmsg+0xee/0x170 [ 4848.990991][ T72] __sys_sendmsg+0xcd/0x170 [ 4848.990991][ T72] do_syscall_64+0xc6/0x1e0 [ 4848.990991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.990991][ T72] [ 4848.993520][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4848.993520][ T72] netdev_get_by_index+0x5e/0x80 [ 4848.993520][ T72] fib6_nh_init+0x3d8/0x1580 [ 4848.993520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4848.993520][ T72] ip6_route_add+0x1c/0x140 [ 4848.993520][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4848.993520][ T72] addrconf_add_dev+0xe2/0x170 [ 4848.993520][ T72] inet6_addr_add+0x12f/0xa40 [ 4848.993520][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4848.993520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.993520][ T72] netlink_rcv_skb+0x130/0x360 [ 4848.993520][ T72] netlink_unicast+0x449/0x710 [ 4848.993520][ T72] netlink_sendmsg+0x723/0xbe0 [ 4848.993520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4848.993520][ T72] ___sys_sendmsg+0xee/0x170 [ 4848.993520][ T72] __sys_sendmsg+0xcd/0x170 [ 4848.993520][ T72] do_syscall_64+0xc6/0x1e0 [ 4848.993520][ T72] [ 4848.995503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4848.995503][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4848.995503][ T72] ipv6_find_idev+0x102/0x170 [ 4848.995503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4848.995503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.995503][ T72] netlink_rcv_skb+0x130/0x360 [ 4848.995503][ T72] netlink_unicast+0x449/0x710 [ 4848.995503][ T72] netlink_sendmsg+0x723/0xbe0 [ 4848.995503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4848.995503][ T72] ___sys_sendmsg+0xee/0x170 [ 4848.995503][ T72] __sys_sendmsg+0xcd/0x170 [ 4848.995503][ T72] do_syscall_64+0xc6/0x1e0 [ 4848.995503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.995503][ T72] [ 4848.997058][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4848.997058][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4848.997058][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4848.997058][ T72] ipv6_find_idev+0x102/0x170 [ 4848.997058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4848.997058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.997058][ T72] netlink_rcv_skb+0x130/0x360 [ 4848.997058][ T72] netlink_unicast+0x449/0x710 [ 4848.997058][ T72] netlink_sendmsg+0x723/0xbe0 [ 4848.997058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4848.997058][ T72] ___sys_sendmsg+0xee/0x170 [ 4848.997058][ T72] __sys_sendmsg+0xcd/0x170 [ 4848.997058][ T72] do_syscall_64+0xc6/0x1e0 [ 4848.997058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.997058][ T72] [ 4848.998769][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4848.999063][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4848.999063][ T72] dst_init+0x84/0x4a0 [ 4848.999063][ T72] dst_alloc+0x97/0x150 [ 4848.999063][ T72] ip6_dst_alloc+0x23/0x90 [ 4848.999063][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4848.999063][ T72] ip6_pol_route+0x56f/0x840 [ 4848.999063][ T72] fib6_rule_lookup+0x456/0x630 [ 4848.999063][ T72] ip6_route_input+0x59c/0xa50 [ 4848.999063][ T72] ipv6_rcv+0x397/0x810 [ 4848.999063][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4848.999063][ T72] process_backlog+0x101/0x620 [ 4848.999063][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4848.999063][ T72] net_rx_action+0x495/0xbe0 [ 4848.999063][ T72] __do_softirq+0x1b5/0x7f6 [ 4848.999063][ T72] [ 4849.000704][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4849.000704][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.000704][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.000704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.000704][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4849.000704][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4849.000704][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4849.000704][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4849.000704][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4849.000704][ T72] addrconf_dad_begin+0x310/0x670 [ 4849.000704][ T72] addrconf_dad_work+0x10b/0xab0 [ 4849.000704][ T72] process_one_work+0x84d/0x18a0 [ 4849.000704][ T72] worker_thread+0x587/0xd30 [ 4849.000704][ T72] kthread+0x28a/0x350 [ 4849.000704][ T72] ret_from_fork+0x31/0x70 [ 4849.000704][ T72] ret_from_fork_asm+0x1a/0x30 [ 4849.000704][ T72] [ 4849.002615][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4849.002615][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.002615][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.002615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.002615][ T72] ip6_route_add+0x1c/0x140 [ 4849.002615][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4849.002615][ T72] inet6_addr_add+0x4f8/0xa40 [ 4849.002615][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.002615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.002615][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.002615][ T72] netlink_unicast+0x449/0x710 [ 4849.002615][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.002615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.002615][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.002615][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.002615][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.002615][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.002615][ T72] [ 4849.004617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4849.004617][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.004617][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.004617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.004617][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4849.004617][ T72] ipv6_add_addr+0x411/0x2000 [ 4849.004617][ T72] inet6_addr_add+0x30e/0xa40 [ 4849.004617][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.004617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.004617][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.004617][ T72] netlink_unicast+0x449/0x710 [ 4849.004617][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.004617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.004617][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.004617][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.004617][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.004617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.004617][ T72] [ 4849.006624][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4849.006624][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.006624][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.006624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.006624][ T72] ip6_route_add+0x1c/0x140 [ 4849.006624][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4849.006624][ T72] addrconf_add_dev+0xe2/0x170 [ 4849.006624][ T72] inet6_addr_add+0x12f/0xa40 [ 4849.006624][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.006624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.006624][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.006624][ T72] netlink_unicast+0x449/0x710 [ 4849.006624][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.006624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.006624][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.006624][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.006624][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.006624][ T72] [ 4849.008605][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4849.008605][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4849.008605][ T72] ipv6_find_idev+0x102/0x170 [ 4849.008605][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.008605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.008605][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.008605][ T72] netlink_unicast+0x449/0x710 [ 4849.008605][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.008605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.008605][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.008605][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.008605][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.008605][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.008605][ T72] [ 4849.010143][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4849.010143][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4849.010143][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4849.010143][ T72] ipv6_find_idev+0x102/0x170 [ 4849.010143][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.010143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.010143][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.010143][ T72] netlink_unicast+0x449/0x710 [ 4849.010143][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.010143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.010143][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.010143][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.010143][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.010143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.010143][ T72] [ 4849.011974][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4849.012246][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4849.012246][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4849.012246][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4849.012246][ T72] fib6_nh_init+0xa22/0x1580 [ 4849.012246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.012246][ T72] ip6_route_add+0x1c/0x140 [ 4849.012246][ T72] inet6_rtm_newroute+0x104/0x110 [ 4849.012246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.012246][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.012246][ T72] netlink_unicast+0x449/0x710 [ 4849.012246][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.012246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.012246][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.012246][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.012246][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.012246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.012246][ T72] [ 4849.014438][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4849.014438][ T72] dst_init+0x84/0x4a0 [ 4849.014438][ T72] dst_alloc+0x97/0x150 [ 4849.014438][ T72] ip6_dst_alloc+0x23/0x90 [ 4849.014438][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4849.014438][ T72] ip6_pol_route+0x56f/0x840 [ 4849.014438][ T72] fib6_rule_lookup+0x456/0x630 [ 4849.014438][ T72] ip6_route_input+0x59c/0xa50 [ 4849.014438][ T72] ipv6_rcv+0x397/0x810 [ 4849.014438][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4849.014438][ T72] process_backlog+0x101/0x620 [ 4849.014438][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4849.014438][ T72] net_rx_action+0x495/0xbe0 [ 4849.014438][ T72] __do_softirq+0x1b5/0x7f6 [ 4849.014438][ T72] [ 4849.016259][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4849.016259][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.016259][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.016259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.016259][ T72] ip6_route_add+0x1c/0x140 [ 4849.016259][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4849.016259][ T72] inet6_addr_add+0x4f8/0xa40 [ 4849.016259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.016259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.016259][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.016259][ T72] netlink_unicast+0x449/0x710 [ 4849.016259][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.016259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.016259][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.016259][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.016259][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.016259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.016259][ T72] [ 4849.018496][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4849.018496][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.018496][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.018496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.018496][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4849.018496][ T72] ipv6_add_addr+0x411/0x2000 [ 4849.018496][ T72] inet6_addr_add+0x30e/0xa40 [ 4849.018496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.018496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.018496][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.018496][ T72] netlink_unicast+0x449/0x710 [ 4849.018496][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.018496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.018496][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.018496][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.018496][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.018496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.018496][ T72] [ 4849.020675][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4849.020675][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.020675][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.020675][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.020675][ T72] ip6_route_add+0x1c/0x140 [ 4849.020675][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4849.020675][ T72] addrconf_add_dev+0xe2/0x170 [ 4849.020675][ T72] inet6_addr_add+0x12f/0xa40 [ 4849.020675][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.020675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.020675][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.020675][ T72] netlink_unicast+0x449/0x710 [ 4849.020675][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.020675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.020675][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.020675][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.020675][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.020675][ T72] [ 4849.022940][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4849.022940][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4849.022940][ T72] ipv6_find_idev+0x102/0x170 [ 4849.022940][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.022940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.022940][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.022940][ T72] netlink_unicast+0x449/0x710 [ 4849.022940][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.022940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.022940][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.022940][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.022940][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.022940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.022940][ T72] [ 4849.024662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4849.024662][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4849.024662][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4849.024662][ T72] ipv6_find_idev+0x102/0x170 [ 4849.024662][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.024662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.024662][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.024662][ T72] netlink_unicast+0x449/0x710 [ 4849.024662][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.024662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.024662][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.024662][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.024662][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.024662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.024662][ T72] [ 4849.026542][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4849.026948][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4849.026948][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.026948][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.026948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.026948][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4849.026948][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4849.026948][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4849.026948][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4849.026948][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4849.026948][ T72] addrconf_dad_begin+0x310/0x670 [ 4849.026948][ T72] addrconf_dad_work+0x10b/0xab0 [ 4849.026948][ T72] process_one_work+0x84d/0x18a0 [ 4849.026948][ T72] worker_thread+0x587/0xd30 [ 4849.026948][ T72] kthread+0x28a/0x350 [ 4849.026948][ T72] ret_from_fork+0x31/0x70 [ 4849.026948][ T72] ret_from_fork_asm+0x1a/0x30 [ 4849.026948][ T72] [ 4849.028984][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4849.028984][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.028984][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.028984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.028984][ T72] ip6_route_add+0x1c/0x140 [ 4849.028984][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4849.028984][ T72] inet6_addr_add+0x4f8/0xa40 [ 4849.028984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.028984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.028984][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.028984][ T72] netlink_unicast+0x449/0x710 [ 4849.028984][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.028984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.028984][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.028984][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.028984][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.028984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.028984][ T72] [ 4849.031217][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4849.031217][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.031217][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.031217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.031217][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4849.031217][ T72] ipv6_add_addr+0x411/0x2000 [ 4849.031217][ T72] inet6_addr_add+0x30e/0xa40 [ 4849.031217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.031217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.031217][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.031217][ T72] netlink_unicast+0x449/0x710 [ 4849.031217][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.031217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.031217][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.031217][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.031217][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.031217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.031217][ T72] [ 4849.033525][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4849.033525][ T72] netdev_get_by_index+0x5e/0x80 [ 4849.033525][ T72] fib6_nh_init+0x3d8/0x1580 [ 4849.033525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4849.033525][ T72] ip6_route_add+0x1c/0x140 [ 4849.033525][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4849.033525][ T72] addrconf_add_dev+0xe2/0x170 [ 4849.033525][ T72] inet6_addr_add+0x12f/0xa40 [ 4849.033525][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.033525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.033525][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.033525][ T72] netlink_unicast+0x449/0x710 [ 4849.033525][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.033525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.033525][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.033525][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.033525][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.033525][ T72] [ 4849.035680][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4849.035680][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4849.035680][ T72] ipv6_find_idev+0x102/0x170 [ 4849.035680][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.035680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.035680][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.035680][ T72] netlink_unicast+0x449/0x710 [ 4849.035680][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.035680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.035680][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.035680][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.035680][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.035680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.035680][ T72] [ 4849.037405][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4849.037405][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4849.037405][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4849.037405][ T72] ipv6_find_idev+0x102/0x170 [ 4849.037405][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.037405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.037405][ T72] netlink_rcv_skb+0x130/0x360 [ 4849.037405][ T72] netlink_unicast+0x449/0x710 [ 4849.037405][ T72] netlink_sendmsg+0x723/0xbe0 [ 4849.037405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4849.037405][ T72] ___sys_sendmsg+0xee/0x170 [ 4849.037405][ T72] __sys_sendmsg+0xcd/0x170 [ 4849.037405][ T72] do_syscall_64+0xc6/0x1e0 [ 4849.037405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.037405][ T72] [ 4859.040989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4859.041906][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4859.041906][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4859.041906][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4859.041906][ T72] fib6_nh_init+0xa22/0x1580 [ 4859.041906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.041906][ T72] ip6_route_add+0x1c/0x140 [ 4859.041906][ T72] inet6_rtm_newroute+0x104/0x110 [ 4859.041906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.041906][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.041906][ T72] netlink_unicast+0x449/0x710 [ 4859.041906][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.041906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.041906][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.041906][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.041906][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.041906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.041906][ T72] [ 4859.044049][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4859.044049][ T72] dst_init+0x84/0x4a0 [ 4859.044049][ T72] dst_alloc+0x97/0x150 [ 4859.044049][ T72] ip6_dst_alloc+0x23/0x90 [ 4859.044049][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4859.044049][ T72] ip6_pol_route+0x56f/0x840 [ 4859.044049][ T72] fib6_rule_lookup+0x456/0x630 [ 4859.044049][ T72] ip6_route_input+0x59c/0xa50 [ 4859.044049][ T72] ipv6_rcv+0x397/0x810 [ 4859.044049][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4859.044049][ T72] process_backlog+0x101/0x620 [ 4859.044049][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4859.044049][ T72] net_rx_action+0x495/0xbe0 [ 4859.044049][ T72] __do_softirq+0x1b5/0x7f6 [ 4859.044049][ T72] [ 4859.045856][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4859.045856][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.045856][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.045856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.045856][ T72] ip6_route_add+0x1c/0x140 [ 4859.045856][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4859.045856][ T72] inet6_addr_add+0x4f8/0xa40 [ 4859.045856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.045856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.045856][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.045856][ T72] netlink_unicast+0x449/0x710 [ 4859.045856][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.045856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.045856][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.045856][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.045856][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.045856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.045856][ T72] [ 4859.048064][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4859.048064][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.048064][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.048064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.048064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4859.048064][ T72] ipv6_add_addr+0x411/0x2000 [ 4859.048064][ T72] inet6_addr_add+0x30e/0xa40 [ 4859.048064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.048064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.048064][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.048064][ T72] netlink_unicast+0x449/0x710 [ 4859.048064][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.048064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.048064][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.048064][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.048064][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.048064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.048064][ T72] [ 4859.050388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4859.050388][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.050388][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.050388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.050388][ T72] ip6_route_add+0x1c/0x140 [ 4859.050388][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.050388][ T72] addrconf_add_dev+0xe2/0x170 [ 4859.050388][ T72] inet6_addr_add+0x12f/0xa40 [ 4859.050388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.050388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.050388][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.050388][ T72] netlink_unicast+0x449/0x710 [ 4859.050388][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.050388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.050388][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.050388][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.050388][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.050388][ T72] [ 4859.052598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4859.052598][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4859.052598][ T72] ipv6_find_idev+0x102/0x170 [ 4859.052598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.052598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.052598][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.052598][ T72] netlink_unicast+0x449/0x710 [ 4859.052598][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.052598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.052598][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.052598][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.052598][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.052598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.052598][ T72] [ 4859.054307][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4859.054307][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4859.054307][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4859.054307][ T72] ipv6_find_idev+0x102/0x170 [ 4859.054307][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.054307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.054307][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.054307][ T72] netlink_unicast+0x449/0x710 [ 4859.054307][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.054307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.054307][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.054307][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.054307][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.054307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.054307][ T72] [ 4859.056192][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4859.056487][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4859.056487][ T72] dst_init+0x84/0x4a0 [ 4859.056487][ T72] dst_alloc+0x97/0x150 [ 4859.056487][ T72] ip6_dst_alloc+0x23/0x90 [ 4859.056487][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4859.056487][ T72] ip6_pol_route+0x56f/0x840 [ 4859.056487][ T72] fib6_rule_lookup+0x456/0x630 [ 4859.056487][ T72] ip6_route_input+0x59c/0xa50 [ 4859.056487][ T72] ipv6_rcv+0x397/0x810 [ 4859.056487][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4859.056487][ T72] process_backlog+0x101/0x620 [ 4859.056487][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4859.056487][ T72] net_rx_action+0x495/0xbe0 [ 4859.056487][ T72] __do_softirq+0x1b5/0x7f6 [ 4859.056487][ T72] [ 4859.058274][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4859.058274][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.058274][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.058274][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.058274][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4859.058274][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4859.058274][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4859.058274][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4859.058274][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4859.058274][ T72] addrconf_dad_begin+0x310/0x670 [ 4859.058274][ T72] addrconf_dad_work+0x10b/0xab0 [ 4859.058274][ T72] process_one_work+0x84d/0x18a0 [ 4859.058274][ T72] worker_thread+0x587/0xd30 [ 4859.058274][ T72] kthread+0x28a/0x350 [ 4859.058274][ T72] ret_from_fork+0x31/0x70 [ 4859.058274][ T72] ret_from_fork_asm+0x1a/0x30 [ 4859.058274][ T72] [ 4859.060416][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4859.060416][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.060416][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.060416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.060416][ T72] ip6_route_add+0x1c/0x140 [ 4859.060416][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4859.060416][ T72] inet6_addr_add+0x4f8/0xa40 [ 4859.060416][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.060416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.060416][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.060416][ T72] netlink_unicast+0x449/0x710 [ 4859.060416][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.060416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.060416][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.060416][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.060416][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.060416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.060416][ T72] [ 4859.062606][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4859.062606][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.062606][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.062606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.062606][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4859.062606][ T72] ipv6_add_addr+0x411/0x2000 [ 4859.062606][ T72] inet6_addr_add+0x30e/0xa40 [ 4859.062606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.062606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.062606][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.062606][ T72] netlink_unicast+0x449/0x710 [ 4859.062606][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.062606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.062606][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.062606][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.062606][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.062606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.062606][ T72] [ 4859.064828][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4859.064828][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.064828][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.064828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.064828][ T72] ip6_route_add+0x1c/0x140 [ 4859.064828][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.064828][ T72] addrconf_add_dev+0xe2/0x170 [ 4859.064828][ T72] inet6_addr_add+0x12f/0xa40 [ 4859.064828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.064828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.064828][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.064828][ T72] netlink_unicast+0x449/0x710 [ 4859.064828][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.064828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.064828][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.064828][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.064828][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.064828][ T72] [ 4859.067003][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4859.067003][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4859.067003][ T72] ipv6_find_idev+0x102/0x170 [ 4859.067003][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.067003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.067003][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.067003][ T72] netlink_unicast+0x449/0x710 [ 4859.067003][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.067003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.067003][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.067003][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.067003][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.067003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.067003][ T72] [ 4859.068623][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4859.068623][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4859.068623][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4859.068623][ T72] ipv6_find_idev+0x102/0x170 [ 4859.068623][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.068623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.068623][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.068623][ T72] netlink_unicast+0x449/0x710 [ 4859.068623][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.068623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.068623][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.068623][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.068623][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.068623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.068623][ T72] [ 4859.070506][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4859.070882][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4859.070882][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4859.070882][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4859.070882][ T72] fib6_nh_init+0xa22/0x1580 [ 4859.070882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.070882][ T72] ip6_route_add+0x1c/0x140 [ 4859.070882][ T72] inet6_rtm_newroute+0x104/0x110 [ 4859.070882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.070882][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.070882][ T72] netlink_unicast+0x449/0x710 [ 4859.070882][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.070882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.070882][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.070882][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.070882][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.070882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.070882][ T72] [ 4859.073196][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4859.073196][ T72] dst_init+0x84/0x4a0 [ 4859.073196][ T72] dst_alloc+0x97/0x150 [ 4859.073196][ T72] ip6_dst_alloc+0x23/0x90 [ 4859.073196][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4859.073196][ T72] ip6_pol_route+0x56f/0x840 [ 4859.073196][ T72] fib6_rule_lookup+0x456/0x630 [ 4859.073196][ T72] ip6_route_input+0x59c/0xa50 [ 4859.073196][ T72] ipv6_rcv+0x397/0x810 [ 4859.073196][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4859.073196][ T72] process_backlog+0x101/0x620 [ 4859.073196][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4859.073196][ T72] net_rx_action+0x495/0xbe0 [ 4859.073196][ T72] __do_softirq+0x1b5/0x7f6 [ 4859.073196][ T72] [ 4859.075189][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4859.075189][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.075189][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.075189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.075189][ T72] ip6_route_add+0x1c/0x140 [ 4859.075189][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4859.075189][ T72] inet6_addr_add+0x4f8/0xa40 [ 4859.075189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.075189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.075189][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.075189][ T72] netlink_unicast+0x449/0x710 [ 4859.075189][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.075189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.075189][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.075189][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.075189][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.075189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.075189][ T72] [ 4859.077636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4859.077636][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.077636][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.077636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.077636][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4859.077636][ T72] ipv6_add_addr+0x411/0x2000 [ 4859.077636][ T72] inet6_addr_add+0x30e/0xa40 [ 4859.077636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.077636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.077636][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.077636][ T72] netlink_unicast+0x449/0x710 [ 4859.077636][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.077636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.077636][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.077636][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.077636][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.077636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.077636][ T72] [ 4859.080053][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4859.080053][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.080053][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.080053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.080053][ T72] ip6_route_add+0x1c/0x140 [ 4859.080053][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.080053][ T72] addrconf_add_dev+0xe2/0x170 [ 4859.080053][ T72] inet6_addr_add+0x12f/0xa40 [ 4859.080053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.080053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.080053][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.080053][ T72] netlink_unicast+0x449/0x710 [ 4859.080053][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.080053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.080053][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.080053][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.080053][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.080053][ T72] [ 4859.082491][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4859.082491][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4859.082491][ T72] ipv6_find_idev+0x102/0x170 [ 4859.082491][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.082491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.082491][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.082491][ T72] netlink_unicast+0x449/0x710 [ 4859.082491][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.082491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.082491][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.082491][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.082491][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.082491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.082491][ T72] [ 4859.084261][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4859.084261][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4859.084261][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4859.084261][ T72] ipv6_find_idev+0x102/0x170 [ 4859.084261][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.084261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.084261][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.084261][ T72] netlink_unicast+0x449/0x710 [ 4859.084261][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.084261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.084261][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.084261][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.084261][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.084261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.084261][ T72] [ 4859.086815][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4859.087113][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4859.087113][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.087113][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.087113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.087113][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4859.087113][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4859.087113][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4859.087113][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4859.087113][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4859.087113][ T72] addrconf_dad_begin+0x310/0x670 [ 4859.087113][ T72] addrconf_dad_work+0x10b/0xab0 [ 4859.087113][ T72] process_one_work+0x84d/0x18a0 [ 4859.087113][ T72] worker_thread+0x587/0xd30 [ 4859.087113][ T72] kthread+0x28a/0x350 [ 4859.087113][ T72] ret_from_fork+0x31/0x70 [ 4859.087113][ T72] ret_from_fork_asm+0x1a/0x30 [ 4859.087113][ T72] [ 4859.089475][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4859.089475][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.089475][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.089475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.089475][ T72] ip6_route_add+0x1c/0x140 [ 4859.089475][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4859.089475][ T72] inet6_addr_add+0x4f8/0xa40 [ 4859.089475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.089475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.089475][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.089475][ T72] netlink_unicast+0x449/0x710 [ 4859.089475][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.089475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.089475][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.089475][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.089475][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.089475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.089475][ T72] [ 4859.091915][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4859.091915][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.091915][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.091915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.091915][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4859.091915][ T72] ipv6_add_addr+0x411/0x2000 [ 4859.091915][ T72] inet6_addr_add+0x30e/0xa40 [ 4859.091915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.091915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.091915][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.091915][ T72] netlink_unicast+0x449/0x710 [ 4859.091915][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.091915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.091915][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.091915][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.091915][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.091915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.091915][ T72] [ 4859.094407][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4859.094407][ T72] netdev_get_by_index+0x5e/0x80 [ 4859.094407][ T72] fib6_nh_init+0x3d8/0x1580 [ 4859.094407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4859.094407][ T72] ip6_route_add+0x1c/0x140 [ 4859.094407][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.094407][ T72] addrconf_add_dev+0xe2/0x170 [ 4859.094407][ T72] inet6_addr_add+0x12f/0xa40 [ 4859.094407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.094407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.094407][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.094407][ T72] netlink_unicast+0x449/0x710 [ 4859.094407][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.094407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.094407][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.094407][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.094407][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.094407][ T72] [ 4859.096753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4859.096753][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4859.096753][ T72] ipv6_find_idev+0x102/0x170 [ 4859.096753][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.096753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.096753][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.096753][ T72] netlink_unicast+0x449/0x710 [ 4859.096753][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.096753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.096753][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.096753][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.096753][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.096753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.096753][ T72] [ 4859.098670][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4859.098670][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4859.098670][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4859.098670][ T72] ipv6_find_idev+0x102/0x170 [ 4859.098670][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.098670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.098670][ T72] netlink_rcv_skb+0x130/0x360 [ 4859.098670][ T72] netlink_unicast+0x449/0x710 [ 4859.098670][ T72] netlink_sendmsg+0x723/0xbe0 [ 4859.098670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4859.098670][ T72] ___sys_sendmsg+0xee/0x170 [ 4859.098670][ T72] __sys_sendmsg+0xcd/0x170 [ 4859.098670][ T72] do_syscall_64+0xc6/0x1e0 [ 4859.098670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.098670][ T72] [ 4869.336977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4869.337472][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4869.337472][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4869.337472][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4869.337472][ T72] fib6_nh_init+0xa22/0x1580 [ 4869.337472][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.337472][ T72] ip6_route_add+0x1c/0x140 [ 4869.337472][ T72] inet6_rtm_newroute+0x104/0x110 [ 4869.337472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.337472][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.337472][ T72] netlink_unicast+0x449/0x710 [ 4869.337472][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.337472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.337472][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.337472][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.337472][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.337472][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.337472][ T72] [ 4869.339582][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4869.339582][ T72] dst_init+0x84/0x4a0 [ 4869.339582][ T72] dst_alloc+0x97/0x150 [ 4869.339582][ T72] ip6_dst_alloc+0x23/0x90 [ 4869.339582][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4869.339582][ T72] ip6_pol_route+0x56f/0x840 [ 4869.339582][ T72] fib6_rule_lookup+0x456/0x630 [ 4869.339582][ T72] ip6_route_input+0x59c/0xa50 [ 4869.339582][ T72] ipv6_rcv+0x397/0x810 [ 4869.339582][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4869.339582][ T72] process_backlog+0x101/0x620 [ 4869.339582][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4869.339582][ T72] net_rx_action+0x495/0xbe0 [ 4869.339582][ T72] __do_softirq+0x1b5/0x7f6 [ 4869.339582][ T72] [ 4869.341427][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4869.341427][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.341427][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.341427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.341427][ T72] ip6_route_add+0x1c/0x140 [ 4869.341427][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4869.341427][ T72] inet6_addr_add+0x4f8/0xa40 [ 4869.341427][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.341427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.341427][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.341427][ T72] netlink_unicast+0x449/0x710 [ 4869.341427][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.341427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.341427][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.341427][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.341427][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.341427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.341427][ T72] [ 4869.343640][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4869.343640][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.343640][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.343640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.343640][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4869.343640][ T72] ipv6_add_addr+0x411/0x2000 [ 4869.343640][ T72] inet6_addr_add+0x30e/0xa40 [ 4869.343640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.343640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.343640][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.343640][ T72] netlink_unicast+0x449/0x710 [ 4869.343640][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.343640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.343640][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.343640][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.343640][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.343640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.343640][ T72] [ 4869.345839][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4869.345839][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.345839][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.345839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.345839][ T72] ip6_route_add+0x1c/0x140 [ 4869.345839][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4869.345839][ T72] addrconf_add_dev+0xe2/0x170 [ 4869.345839][ T72] inet6_addr_add+0x12f/0xa40 [ 4869.345839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.345839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.345839][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.345839][ T72] netlink_unicast+0x449/0x710 [ 4869.345839][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.345839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.345839][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.345839][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.345839][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.345839][ T72] [ 4869.348046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4869.348046][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4869.348046][ T72] ipv6_find_idev+0x102/0x170 [ 4869.348046][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.348046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.348046][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.348046][ T72] netlink_unicast+0x449/0x710 [ 4869.348046][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.348046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.348046][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.348046][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.348046][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.348046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.348046][ T72] [ 4869.350377][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4869.350377][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4869.350377][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4869.350377][ T72] ipv6_find_idev+0x102/0x170 [ 4869.350377][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.350377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.350377][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.350377][ T72] netlink_unicast+0x449/0x710 [ 4869.350377][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.350377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.350377][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.350377][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.350377][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.350377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.350377][ T72] [ 4869.352267][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4869.352561][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4869.352561][ T72] dst_init+0x84/0x4a0 [ 4869.352561][ T72] dst_alloc+0x97/0x150 [ 4869.352561][ T72] ip6_dst_alloc+0x23/0x90 [ 4869.352561][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4869.352561][ T72] ip6_pol_route+0x56f/0x840 [ 4869.352561][ T72] fib6_rule_lookup+0x456/0x630 [ 4869.352561][ T72] ip6_route_input+0x59c/0xa50 [ 4869.352561][ T72] ipv6_rcv+0x397/0x810 [ 4869.352561][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4869.352561][ T72] process_backlog+0x101/0x620 [ 4869.352561][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4869.352561][ T72] net_rx_action+0x495/0xbe0 [ 4869.352561][ T72] __do_softirq+0x1b5/0x7f6 [ 4869.352561][ T72] [ 4869.354391][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4869.354391][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.354391][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.354391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.354391][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4869.354391][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4869.354391][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4869.354391][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4869.354391][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4869.354391][ T72] addrconf_dad_begin+0x310/0x670 [ 4869.354391][ T72] addrconf_dad_work+0x10b/0xab0 [ 4869.354391][ T72] process_one_work+0x84d/0x18a0 [ 4869.354391][ T72] worker_thread+0x587/0xd30 [ 4869.354391][ T72] kthread+0x28a/0x350 [ 4869.354391][ T72] ret_from_fork+0x31/0x70 [ 4869.354391][ T72] ret_from_fork_asm+0x1a/0x30 [ 4869.354391][ T72] [ 4869.356502][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4869.356502][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.356502][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.356502][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.356502][ T72] ip6_route_add+0x1c/0x140 [ 4869.356502][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4869.356502][ T72] inet6_addr_add+0x4f8/0xa40 [ 4869.356502][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.356502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.356502][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.356502][ T72] netlink_unicast+0x449/0x710 [ 4869.356502][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.356502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.356502][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.356502][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.356502][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.356502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.356502][ T72] [ 4869.358696][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4869.358696][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.358696][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.358696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.358696][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4869.358696][ T72] ipv6_add_addr+0x411/0x2000 [ 4869.358696][ T72] inet6_addr_add+0x30e/0xa40 [ 4869.358696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.358696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.358696][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.358696][ T72] netlink_unicast+0x449/0x710 [ 4869.358696][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.358696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.358696][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.358696][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.358696][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.358696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.358696][ T72] [ 4869.360890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4869.360890][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.360890][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.360890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.360890][ T72] ip6_route_add+0x1c/0x140 [ 4869.360890][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4869.360890][ T72] addrconf_add_dev+0xe2/0x170 [ 4869.360890][ T72] inet6_addr_add+0x12f/0xa40 [ 4869.360890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.360890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.360890][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.360890][ T72] netlink_unicast+0x449/0x710 [ 4869.360890][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.360890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.360890][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.360890][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.360890][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.360890][ T72] [ 4869.363063][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4869.363063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4869.363063][ T72] ipv6_find_idev+0x102/0x170 [ 4869.363063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.363063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.363063][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.363063][ T72] netlink_unicast+0x449/0x710 [ 4869.363063][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.363063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.363063][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.363063][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.363063][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.363063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.363063][ T72] [ 4869.364762][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4869.364762][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4869.364762][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4869.364762][ T72] ipv6_find_idev+0x102/0x170 [ 4869.364762][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.364762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.364762][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.364762][ T72] netlink_unicast+0x449/0x710 [ 4869.364762][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.364762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.364762][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.364762][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.364762][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.364762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.364762][ T72] [ 4869.366686][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4869.367058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4869.367058][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4869.367058][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4869.367058][ T72] fib6_nh_init+0xa22/0x1580 [ 4869.367058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.367058][ T72] ip6_route_add+0x1c/0x140 [ 4869.367058][ T72] inet6_rtm_newroute+0x104/0x110 [ 4869.367058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.367058][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.367058][ T72] netlink_unicast+0x449/0x710 [ 4869.367058][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.367058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.367058][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.367058][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.367058][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.367058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.367058][ T72] [ 4869.369459][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4869.369459][ T72] dst_init+0x84/0x4a0 [ 4869.369459][ T72] dst_alloc+0x97/0x150 [ 4869.369459][ T72] ip6_dst_alloc+0x23/0x90 [ 4869.369459][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4869.369459][ T72] ip6_pol_route+0x56f/0x840 [ 4869.369459][ T72] fib6_rule_lookup+0x456/0x630 [ 4869.369459][ T72] ip6_route_input+0x59c/0xa50 [ 4869.369459][ T72] ipv6_rcv+0x397/0x810 [ 4869.369459][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4869.369459][ T72] process_backlog+0x101/0x620 [ 4869.369459][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4869.369459][ T72] net_rx_action+0x495/0xbe0 [ 4869.369459][ T72] __do_softirq+0x1b5/0x7f6 [ 4869.369459][ T72] [ 4869.371446][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4869.371446][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.371446][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.371446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.371446][ T72] ip6_route_add+0x1c/0x140 [ 4869.371446][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4869.371446][ T72] inet6_addr_add+0x4f8/0xa40 [ 4869.371446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.371446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.371446][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.371446][ T72] netlink_unicast+0x449/0x710 [ 4869.371446][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.371446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.371446][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.371446][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.371446][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.371446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.371446][ T72] [ 4869.373921][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4869.373921][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.373921][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.373921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.373921][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4869.373921][ T72] ipv6_add_addr+0x411/0x2000 [ 4869.373921][ T72] inet6_addr_add+0x30e/0xa40 [ 4869.373921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.373921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.373921][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.373921][ T72] netlink_unicast+0x449/0x710 [ 4869.373921][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.373921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.373921][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.373921][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.373921][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.373921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.373921][ T72] [ 4869.376336][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4869.376336][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.376336][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.376336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.376336][ T72] ip6_route_add+0x1c/0x140 [ 4869.376336][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4869.376336][ T72] addrconf_add_dev+0xe2/0x170 [ 4869.376336][ T72] inet6_addr_add+0x12f/0xa40 [ 4869.376336][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.376336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.376336][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.376336][ T72] netlink_unicast+0x449/0x710 [ 4869.376336][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.376336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.376336][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.376336][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.376336][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.376336][ T72] [ 4869.378796][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4869.378796][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4869.378796][ T72] ipv6_find_idev+0x102/0x170 [ 4869.378796][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.378796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.378796][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.378796][ T72] netlink_unicast+0x449/0x710 [ 4869.378796][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.378796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.378796][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.378796][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.378796][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.378796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.378796][ T72] [ 4869.380671][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4869.380671][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4869.380671][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4869.380671][ T72] ipv6_find_idev+0x102/0x170 [ 4869.380671][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.380671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.380671][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.380671][ T72] netlink_unicast+0x449/0x710 [ 4869.380671][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.380671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.380671][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.380671][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.380671][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.380671][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.380671][ T72] [ 4869.382712][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4869.383458][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4869.383458][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.383458][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.383458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.383458][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4869.383458][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4869.383458][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4869.383458][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4869.383458][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4869.383458][ T72] addrconf_dad_begin+0x310/0x670 [ 4869.383458][ T72] addrconf_dad_work+0x10b/0xab0 [ 4869.383458][ T72] process_one_work+0x84d/0x18a0 [ 4869.383458][ T72] worker_thread+0x587/0xd30 [ 4869.383458][ T72] kthread+0x28a/0x350 [ 4869.383458][ T72] ret_from_fork+0x31/0x70 [ 4869.383458][ T72] ret_from_fork_asm+0x1a/0x30 [ 4869.383458][ T72] [ 4869.385567][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4869.385567][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.385567][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.385567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.385567][ T72] ip6_route_add+0x1c/0x140 [ 4869.385567][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4869.385567][ T72] inet6_addr_add+0x4f8/0xa40 [ 4869.385567][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.385567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.385567][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.385567][ T72] netlink_unicast+0x449/0x710 [ 4869.385567][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.385567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.385567][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.385567][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.385567][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.385567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.385567][ T72] [ 4869.387919][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4869.387919][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.387919][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.387919][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.387919][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4869.387919][ T72] ipv6_add_addr+0x411/0x2000 [ 4869.387919][ T72] inet6_addr_add+0x30e/0xa40 [ 4869.387919][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.387919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.387919][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.387919][ T72] netlink_unicast+0x449/0x710 [ 4869.387919][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.387919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.387919][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.387919][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.387919][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.387919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.387919][ T72] [ 4869.390378][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4869.390378][ T72] netdev_get_by_index+0x5e/0x80 [ 4869.390378][ T72] fib6_nh_init+0x3d8/0x1580 [ 4869.390378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4869.390378][ T72] ip6_route_add+0x1c/0x140 [ 4869.390378][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4869.390378][ T72] addrconf_add_dev+0xe2/0x170 [ 4869.390378][ T72] inet6_addr_add+0x12f/0xa40 [ 4869.390378][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.390378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.390378][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.390378][ T72] netlink_unicast+0x449/0x710 [ 4869.390378][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.390378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.390378][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.390378][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.390378][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.390378][ T72] [ 4869.392860][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4869.392860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4869.392860][ T72] ipv6_find_idev+0x102/0x170 [ 4869.392860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.392860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.392860][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.392860][ T72] netlink_unicast+0x449/0x710 [ 4869.392860][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.392860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.392860][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.392860][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.392860][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.392860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.392860][ T72] [ 4869.394746][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4869.394746][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4869.394746][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4869.394746][ T72] ipv6_find_idev+0x102/0x170 [ 4869.394746][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.394746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.394746][ T72] netlink_rcv_skb+0x130/0x360 [ 4869.394746][ T72] netlink_unicast+0x449/0x710 [ 4869.394746][ T72] netlink_sendmsg+0x723/0xbe0 [ 4869.394746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4869.394746][ T72] ___sys_sendmsg+0xee/0x170 [ 4869.394746][ T72] __sys_sendmsg+0xcd/0x170 [ 4869.394746][ T72] do_syscall_64+0xc6/0x1e0 [ 4869.394746][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.394746][ T72] [ 4879.424981][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4879.425505][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4879.425505][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4879.425505][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4879.425505][ T72] fib6_nh_init+0xa22/0x1580 [ 4879.425505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.425505][ T72] ip6_route_add+0x1c/0x140 [ 4879.425505][ T72] inet6_rtm_newroute+0x104/0x110 [ 4879.425505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.425505][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.425505][ T72] netlink_unicast+0x449/0x710 [ 4879.425505][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.425505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.425505][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.425505][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.425505][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.425505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.425505][ T72] [ 4879.427641][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4879.427641][ T72] dst_init+0x84/0x4a0 [ 4879.427641][ T72] dst_alloc+0x97/0x150 [ 4879.427641][ T72] ip6_dst_alloc+0x23/0x90 [ 4879.427641][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4879.427641][ T72] ip6_pol_route+0x56f/0x840 [ 4879.427641][ T72] fib6_rule_lookup+0x456/0x630 [ 4879.427641][ T72] ip6_route_input+0x59c/0xa50 [ 4879.427641][ T72] ipv6_rcv+0x397/0x810 [ 4879.427641][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4879.427641][ T72] process_backlog+0x101/0x620 [ 4879.427641][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4879.427641][ T72] net_rx_action+0x495/0xbe0 [ 4879.427641][ T72] __do_softirq+0x1b5/0x7f6 [ 4879.427641][ T72] [ 4879.429433][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4879.429433][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.429433][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.429433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.429433][ T72] ip6_route_add+0x1c/0x140 [ 4879.429433][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4879.429433][ T72] inet6_addr_add+0x4f8/0xa40 [ 4879.429433][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.429433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.429433][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.429433][ T72] netlink_unicast+0x449/0x710 [ 4879.429433][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.429433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.429433][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.429433][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.429433][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.429433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.429433][ T72] [ 4879.431654][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4879.431654][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.431654][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.431654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.431654][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4879.431654][ T72] ipv6_add_addr+0x411/0x2000 [ 4879.431654][ T72] inet6_addr_add+0x30e/0xa40 [ 4879.431654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.431654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.431654][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.431654][ T72] netlink_unicast+0x449/0x710 [ 4879.431654][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.431654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.431654][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.431654][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.431654][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.431654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.431654][ T72] [ 4879.433879][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4879.433879][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.433879][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.433879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.433879][ T72] ip6_route_add+0x1c/0x140 [ 4879.433879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4879.433879][ T72] addrconf_add_dev+0xe2/0x170 [ 4879.433879][ T72] inet6_addr_add+0x12f/0xa40 [ 4879.433879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.433879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.433879][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.433879][ T72] netlink_unicast+0x449/0x710 [ 4879.433879][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.433879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.433879][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.433879][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.433879][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.433879][ T72] [ 4879.436062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4879.436062][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4879.436062][ T72] ipv6_find_idev+0x102/0x170 [ 4879.436062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4879.436062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.436062][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.436062][ T72] netlink_unicast+0x449/0x710 [ 4879.436062][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.436062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.436062][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.436062][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.436062][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.436062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.436062][ T72] [ 4879.437745][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4879.437745][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4879.437745][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4879.437745][ T72] ipv6_find_idev+0x102/0x170 [ 4879.437745][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4879.437745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.437745][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.437745][ T72] netlink_unicast+0x449/0x710 [ 4879.437745][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.437745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.437745][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.437745][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.437745][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.437745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.437745][ T72] [ 4879.439632][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4879.439962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4879.439962][ T72] dst_init+0x84/0x4a0 [ 4879.439962][ T72] dst_alloc+0x97/0x150 [ 4879.439962][ T72] ip6_dst_alloc+0x23/0x90 [ 4879.439962][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4879.439962][ T72] ip6_pol_route+0x56f/0x840 [ 4879.439962][ T72] fib6_rule_lookup+0x456/0x630 [ 4879.439962][ T72] ip6_route_input+0x59c/0xa50 [ 4879.439962][ T72] ipv6_rcv+0x397/0x810 [ 4879.439962][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4879.439962][ T72] process_backlog+0x101/0x620 [ 4879.439962][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4879.439962][ T72] net_rx_action+0x495/0xbe0 [ 4879.439962][ T72] __do_softirq+0x1b5/0x7f6 [ 4879.439962][ T72] [ 4879.441763][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4879.441763][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.441763][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.441763][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.441763][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4879.441763][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4879.441763][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4879.441763][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4879.441763][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4879.441763][ T72] addrconf_dad_begin+0x310/0x670 [ 4879.441763][ T72] addrconf_dad_work+0x10b/0xab0 [ 4879.441763][ T72] process_one_work+0x84d/0x18a0 [ 4879.441763][ T72] worker_thread+0x587/0xd30 [ 4879.441763][ T72] kthread+0x28a/0x350 [ 4879.441763][ T72] ret_from_fork+0x31/0x70 [ 4879.441763][ T72] ret_from_fork_asm+0x1a/0x30 [ 4879.441763][ T72] [ 4879.443838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4879.443838][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.443838][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.443838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.443838][ T72] ip6_route_add+0x1c/0x140 [ 4879.443838][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4879.443838][ T72] inet6_addr_add+0x4f8/0xa40 [ 4879.443838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.443838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.443838][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.443838][ T72] netlink_unicast+0x449/0x710 [ 4879.443838][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.443838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.443838][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.443838][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.443838][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.443838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.443838][ T72] [ 4879.446064][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4879.446064][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.446064][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.446064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.446064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4879.446064][ T72] ipv6_add_addr+0x411/0x2000 [ 4879.446064][ T72] inet6_addr_add+0x30e/0xa40 [ 4879.446064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.446064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.446064][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.446064][ T72] netlink_unicast+0x449/0x710 [ 4879.446064][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.446064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.446064][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.446064][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.446064][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.446064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.446064][ T72] [ 4879.448312][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4879.448312][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.448312][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.448312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.448312][ T72] ip6_route_add+0x1c/0x140 [ 4879.448312][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4879.448312][ T72] addrconf_add_dev+0xe2/0x170 [ 4879.448312][ T72] inet6_addr_add+0x12f/0xa40 [ 4879.448312][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.448312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.448312][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.448312][ T72] netlink_unicast+0x449/0x710 [ 4879.448312][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.448312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.448312][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.448312][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.448312][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.448312][ T72] [ 4879.450486][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4879.450486][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4879.450486][ T72] ipv6_find_idev+0x102/0x170 [ 4879.450486][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4879.450486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.450486][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.450486][ T72] netlink_unicast+0x449/0x710 [ 4879.450486][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.450486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.450486][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.450486][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.450486][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.450486][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.450486][ T72] [ 4879.452180][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4879.452180][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4879.452180][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4879.452180][ T72] ipv6_find_idev+0x102/0x170 [ 4879.452180][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4879.452180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.452180][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.452180][ T72] netlink_unicast+0x449/0x710 [ 4879.452180][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.452180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.452180][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.452180][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.452180][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.452180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.452180][ T72] [ 4879.454061][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4879.454421][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4879.454421][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4879.454421][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4879.454421][ T72] fib6_nh_init+0xa22/0x1580 [ 4879.454421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.454421][ T72] ip6_route_add+0x1c/0x140 [ 4879.454421][ T72] inet6_rtm_newroute+0x104/0x110 [ 4879.454421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.454421][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.454421][ T72] netlink_unicast+0x449/0x710 [ 4879.454421][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.454421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.454421][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.454421][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.454421][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.454421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.454421][ T72] [ 4879.456770][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4879.456770][ T72] dst_init+0x84/0x4a0 [ 4879.456770][ T72] dst_alloc+0x97/0x150 [ 4879.456770][ T72] ip6_dst_alloc+0x23/0x90 [ 4879.456770][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4879.456770][ T72] ip6_pol_route+0x56f/0x840 [ 4879.456770][ T72] fib6_rule_lookup+0x456/0x630 [ 4879.456770][ T72] ip6_route_input+0x59c/0xa50 [ 4879.456770][ T72] ipv6_rcv+0x397/0x810 [ 4879.456770][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4879.456770][ T72] process_backlog+0x101/0x620 [ 4879.456770][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4879.456770][ T72] net_rx_action+0x495/0xbe0 [ 4879.456770][ T72] __do_softirq+0x1b5/0x7f6 [ 4879.456770][ T72] [ 4879.458727][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4879.458727][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.458727][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.458727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.458727][ T72] ip6_route_add+0x1c/0x140 [ 4879.458727][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4879.458727][ T72] inet6_addr_add+0x4f8/0xa40 [ 4879.458727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.458727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.458727][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.458727][ T72] netlink_unicast+0x449/0x710 [ 4879.458727][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.458727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.458727][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.458727][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.458727][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.458727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.458727][ T72] [ 4879.461191][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4879.461191][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.461191][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.461191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.461191][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4879.461191][ T72] ipv6_add_addr+0x411/0x2000 [ 4879.461191][ T72] inet6_addr_add+0x30e/0xa40 [ 4879.461191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.461191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.461191][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.461191][ T72] netlink_unicast+0x449/0x710 [ 4879.461191][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.461191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.461191][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.461191][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.461191][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.461191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.461191][ T72] [ 4879.463638][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4879.463638][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.463638][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.463638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.463638][ T72] ip6_route_add+0x1c/0x140 [ 4879.463638][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4879.463638][ T72] addrconf_add_dev+0xe2/0x170 [ 4879.463638][ T72] inet6_addr_add+0x12f/0xa40 [ 4879.463638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.463638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.463638][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.463638][ T72] netlink_unicast+0x449/0x710 [ 4879.463638][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.463638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.463638][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.463638][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.463638][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.463638][ T72] [ 4879.466120][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4879.466120][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4879.466120][ T72] ipv6_find_idev+0x102/0x170 [ 4879.466120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4879.466120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.466120][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.466120][ T72] netlink_unicast+0x449/0x710 [ 4879.466120][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.466120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.466120][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.466120][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.466120][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.466120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.466120][ T72] [ 4879.468005][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4879.468005][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4879.468005][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4879.468005][ T72] ipv6_find_idev+0x102/0x170 [ 4879.468005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4879.468005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.468005][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.468005][ T72] netlink_unicast+0x449/0x710 [ 4879.468005][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.468005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.468005][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.468005][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.468005][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.468005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.468005][ T72] [ 4879.470012][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4879.470323][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4879.470323][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.470323][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.470323][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.470323][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4879.470323][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4879.470323][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4879.470323][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4879.470323][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4879.470323][ T72] addrconf_dad_begin+0x310/0x670 [ 4879.470323][ T72] addrconf_dad_work+0x10b/0xab0 [ 4879.470323][ T72] process_one_work+0x84d/0x18a0 [ 4879.470323][ T72] worker_thread+0x587/0xd30 [ 4879.470323][ T72] kthread+0x28a/0x350 [ 4879.470323][ T72] ret_from_fork+0x31/0x70 [ 4879.470323][ T72] ret_from_fork_asm+0x1a/0x30 [ 4879.470323][ T72] [ 4879.472695][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4879.472695][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.472695][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.472695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.472695][ T72] ip6_route_add+0x1c/0x140 [ 4879.472695][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4879.472695][ T72] inet6_addr_add+0x4f8/0xa40 [ 4879.472695][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.472695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.472695][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.472695][ T72] netlink_unicast+0x449/0x710 [ 4879.472695][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.472695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.472695][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.472695][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.472695][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.472695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.472695][ T72] [ 4879.475118][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4879.475118][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.475118][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.475118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.475118][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4879.475118][ T72] ipv6_add_addr+0x411/0x2000 [ 4879.475118][ T72] inet6_addr_add+0x30e/0xa40 [ 4879.475118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.475118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.475118][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.475118][ T72] netlink_unicast+0x449/0x710 [ 4879.475118][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.475118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.475118][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.475118][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.475118][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.475118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.475118][ T72] [ 4879.477649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4879.477649][ T72] netdev_get_by_index+0x5e/0x80 [ 4879.477649][ T72] fib6_nh_init+0x3d8/0x1580 [ 4879.477649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4879.477649][ T72] ip6_route_add+0x1c/0x140 [ 4879.477649][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4879.477649][ T72] addrconf_add_dev+0xe2/0x170 [ 4879.477649][ T72] inet6_addr_add+0x12f/0xa40 [ 4879.477649][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4879.477649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.477649][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.477649][ T72] netlink_unicast+0x449/0x710 [ 4879.477649][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.477649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.477649][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.477649][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.477649][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.477649][ T72] [ 4879.479966][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4879.479966][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4879.479966][ T72] ipv6_find_idev+0x102/0x170 [ 4879.479966][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4879.479966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.479966][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.479966][ T72] netlink_unicast+0x449/0x710 [ 4879.479966][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.479966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.479966][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.479966][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.479966][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.479966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.479966][ T72] [ 4879.481821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4879.481821][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4879.481821][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4879.481821][ T72] ipv6_find_idev+0x102/0x170 [ 4879.481821][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4879.481821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.481821][ T72] netlink_rcv_skb+0x130/0x360 [ 4879.481821][ T72] netlink_unicast+0x449/0x710 [ 4879.481821][ T72] netlink_sendmsg+0x723/0xbe0 [ 4879.481821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4879.481821][ T72] ___sys_sendmsg+0xee/0x170 [ 4879.481821][ T72] __sys_sendmsg+0xcd/0x170 [ 4879.481821][ T72] do_syscall_64+0xc6/0x1e0 [ 4879.481821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.481821][ T72] [ 4889.720954][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4889.721461][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4889.721461][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4889.721461][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4889.721461][ T72] fib6_nh_init+0xa22/0x1580 [ 4889.721461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.721461][ T72] ip6_route_add+0x1c/0x140 [ 4889.721461][ T72] inet6_rtm_newroute+0x104/0x110 [ 4889.721461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.721461][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.721461][ T72] netlink_unicast+0x449/0x710 [ 4889.721461][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.721461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.721461][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.721461][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.721461][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.721461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.721461][ T72] [ 4889.723570][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4889.723570][ T72] dst_init+0x84/0x4a0 [ 4889.723570][ T72] dst_alloc+0x97/0x150 [ 4889.723570][ T72] ip6_dst_alloc+0x23/0x90 [ 4889.723570][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4889.723570][ T72] ip6_pol_route+0x56f/0x840 [ 4889.723570][ T72] fib6_rule_lookup+0x456/0x630 [ 4889.723570][ T72] ip6_route_input+0x59c/0xa50 [ 4889.723570][ T72] ipv6_rcv+0x397/0x810 [ 4889.723570][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4889.723570][ T72] process_backlog+0x101/0x620 [ 4889.723570][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4889.723570][ T72] net_rx_action+0x495/0xbe0 [ 4889.723570][ T72] __do_softirq+0x1b5/0x7f6 [ 4889.723570][ T72] [ 4889.725403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4889.725403][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.725403][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.725403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.725403][ T72] ip6_route_add+0x1c/0x140 [ 4889.725403][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4889.725403][ T72] inet6_addr_add+0x4f8/0xa40 [ 4889.725403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.725403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.725403][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.725403][ T72] netlink_unicast+0x449/0x710 [ 4889.725403][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.725403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.725403][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.725403][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.725403][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.725403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.725403][ T72] [ 4889.727604][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4889.727604][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.727604][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.727604][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.727604][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4889.727604][ T72] ipv6_add_addr+0x411/0x2000 [ 4889.727604][ T72] inet6_addr_add+0x30e/0xa40 [ 4889.727604][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.727604][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.727604][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.727604][ T72] netlink_unicast+0x449/0x710 [ 4889.727604][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.727604][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.727604][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.727604][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.727604][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.727604][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.727604][ T72] [ 4889.729825][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4889.729825][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.729825][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.729825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.729825][ T72] ip6_route_add+0x1c/0x140 [ 4889.729825][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4889.729825][ T72] addrconf_add_dev+0xe2/0x170 [ 4889.729825][ T72] inet6_addr_add+0x12f/0xa40 [ 4889.729825][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.729825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.729825][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.729825][ T72] netlink_unicast+0x449/0x710 [ 4889.729825][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.729825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.729825][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.729825][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.729825][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.729825][ T72] [ 4889.732529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4889.732529][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4889.732529][ T72] ipv6_find_idev+0x102/0x170 [ 4889.732529][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.732529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.732529][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.732529][ T72] netlink_unicast+0x449/0x710 [ 4889.732529][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.732529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.732529][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.732529][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.732529][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.732529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.732529][ T72] [ 4889.734236][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4889.734236][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4889.734236][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4889.734236][ T72] ipv6_find_idev+0x102/0x170 [ 4889.734236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.734236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.734236][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.734236][ T72] netlink_unicast+0x449/0x710 [ 4889.734236][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.734236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.734236][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.734236][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.734236][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.734236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.734236][ T72] [ 4889.736115][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4889.736421][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4889.736421][ T72] dst_init+0x84/0x4a0 [ 4889.736421][ T72] dst_alloc+0x97/0x150 [ 4889.736421][ T72] ip6_dst_alloc+0x23/0x90 [ 4889.736421][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4889.736421][ T72] ip6_pol_route+0x56f/0x840 [ 4889.736421][ T72] fib6_rule_lookup+0x456/0x630 [ 4889.736421][ T72] ip6_route_input+0x59c/0xa50 [ 4889.736421][ T72] ipv6_rcv+0x397/0x810 [ 4889.736421][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4889.736421][ T72] process_backlog+0x101/0x620 [ 4889.736421][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4889.736421][ T72] net_rx_action+0x495/0xbe0 [ 4889.736421][ T72] __do_softirq+0x1b5/0x7f6 [ 4889.736421][ T72] [ 4889.738267][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4889.738267][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.738267][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.738267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.738267][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4889.738267][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4889.738267][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4889.738267][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4889.738267][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4889.738267][ T72] addrconf_dad_begin+0x310/0x670 [ 4889.738267][ T72] addrconf_dad_work+0x10b/0xab0 [ 4889.738267][ T72] process_one_work+0x84d/0x18a0 [ 4889.738267][ T72] worker_thread+0x587/0xd30 [ 4889.738267][ T72] kthread+0x28a/0x350 [ 4889.738267][ T72] ret_from_fork+0x31/0x70 [ 4889.738267][ T72] ret_from_fork_asm+0x1a/0x30 [ 4889.738267][ T72] [ 4889.740401][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4889.740401][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.740401][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.740401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.740401][ T72] ip6_route_add+0x1c/0x140 [ 4889.740401][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4889.740401][ T72] inet6_addr_add+0x4f8/0xa40 [ 4889.740401][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.740401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.740401][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.740401][ T72] netlink_unicast+0x449/0x710 [ 4889.740401][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.740401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.740401][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.740401][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.740401][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.740401][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.740401][ T72] [ 4889.742613][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4889.742613][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.742613][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.742613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.742613][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4889.742613][ T72] ipv6_add_addr+0x411/0x2000 [ 4889.742613][ T72] inet6_addr_add+0x30e/0xa40 [ 4889.742613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.742613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.742613][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.742613][ T72] netlink_unicast+0x449/0x710 [ 4889.742613][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.742613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.742613][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.742613][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.742613][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.742613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.742613][ T72] [ 4889.744823][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4889.744823][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.744823][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.744823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.744823][ T72] ip6_route_add+0x1c/0x140 [ 4889.744823][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4889.744823][ T72] addrconf_add_dev+0xe2/0x170 [ 4889.744823][ T72] inet6_addr_add+0x12f/0xa40 [ 4889.744823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.744823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.744823][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.744823][ T72] netlink_unicast+0x449/0x710 [ 4889.744823][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.744823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.744823][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.744823][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.744823][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.744823][ T72] [ 4889.747008][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4889.747008][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4889.747008][ T72] ipv6_find_idev+0x102/0x170 [ 4889.747008][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.747008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.747008][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.747008][ T72] netlink_unicast+0x449/0x710 [ 4889.747008][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.747008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.747008][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.747008][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.747008][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.747008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.747008][ T72] [ 4889.748709][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4889.748709][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4889.748709][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4889.748709][ T72] ipv6_find_idev+0x102/0x170 [ 4889.748709][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.748709][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.748709][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.748709][ T72] netlink_unicast+0x449/0x710 [ 4889.748709][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.748709][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.748709][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.748709][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.748709][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.748709][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.748709][ T72] [ 4889.750644][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4889.751009][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4889.751009][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4889.751009][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4889.751009][ T72] fib6_nh_init+0xa22/0x1580 [ 4889.751009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.751009][ T72] ip6_route_add+0x1c/0x140 [ 4889.751009][ T72] inet6_rtm_newroute+0x104/0x110 [ 4889.751009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.751009][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.751009][ T72] netlink_unicast+0x449/0x710 [ 4889.751009][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.751009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.751009][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.751009][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.751009][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.751009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.751009][ T72] [ 4889.753335][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4889.753335][ T72] dst_init+0x84/0x4a0 [ 4889.753335][ T72] dst_alloc+0x97/0x150 [ 4889.753335][ T72] ip6_dst_alloc+0x23/0x90 [ 4889.753335][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4889.753335][ T72] ip6_pol_route+0x56f/0x840 [ 4889.753335][ T72] fib6_rule_lookup+0x456/0x630 [ 4889.753335][ T72] ip6_route_input+0x59c/0xa50 [ 4889.753335][ T72] ipv6_rcv+0x397/0x810 [ 4889.753335][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4889.753335][ T72] process_backlog+0x101/0x620 [ 4889.753335][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4889.753335][ T72] net_rx_action+0x495/0xbe0 [ 4889.753335][ T72] __do_softirq+0x1b5/0x7f6 [ 4889.753335][ T72] [ 4889.755329][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4889.755329][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.755329][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.755329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.755329][ T72] ip6_route_add+0x1c/0x140 [ 4889.755329][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4889.755329][ T72] inet6_addr_add+0x4f8/0xa40 [ 4889.755329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.755329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.755329][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.755329][ T72] netlink_unicast+0x449/0x710 [ 4889.755329][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.755329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.755329][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.755329][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.755329][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.755329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.755329][ T72] [ 4889.757786][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4889.757786][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.757786][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.757786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.757786][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4889.757786][ T72] ipv6_add_addr+0x411/0x2000 [ 4889.757786][ T72] inet6_addr_add+0x30e/0xa40 [ 4889.757786][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.757786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.757786][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.757786][ T72] netlink_unicast+0x449/0x710 [ 4889.757786][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.757786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.757786][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.757786][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.757786][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.757786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.757786][ T72] [ 4889.760227][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4889.760227][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.760227][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.760227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.760227][ T72] ip6_route_add+0x1c/0x140 [ 4889.760227][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4889.760227][ T72] addrconf_add_dev+0xe2/0x170 [ 4889.760227][ T72] inet6_addr_add+0x12f/0xa40 [ 4889.760227][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.760227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.760227][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.760227][ T72] netlink_unicast+0x449/0x710 [ 4889.760227][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.760227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.760227][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.760227][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.760227][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.760227][ T72] [ 4889.762680][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4889.762680][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4889.762680][ T72] ipv6_find_idev+0x102/0x170 [ 4889.762680][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.762680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.762680][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.762680][ T72] netlink_unicast+0x449/0x710 [ 4889.762680][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.762680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.762680][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.762680][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.762680][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.762680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.762680][ T72] [ 4889.764548][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4889.764548][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4889.764548][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4889.764548][ T72] ipv6_find_idev+0x102/0x170 [ 4889.764548][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.764548][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.764548][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.764548][ T72] netlink_unicast+0x449/0x710 [ 4889.764548][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.764548][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.764548][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.764548][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.764548][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.764548][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.764548][ T72] [ 4889.766585][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4889.767343][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4889.767343][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.767343][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.767343][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.767343][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4889.767343][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4889.767343][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4889.767343][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4889.767343][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4889.767343][ T72] addrconf_dad_begin+0x310/0x670 [ 4889.767343][ T72] addrconf_dad_work+0x10b/0xab0 [ 4889.767343][ T72] process_one_work+0x84d/0x18a0 [ 4889.767343][ T72] worker_thread+0x587/0xd30 [ 4889.767343][ T72] kthread+0x28a/0x350 [ 4889.767343][ T72] ret_from_fork+0x31/0x70 [ 4889.767343][ T72] ret_from_fork_asm+0x1a/0x30 [ 4889.767343][ T72] [ 4889.769441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4889.769441][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.769441][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.769441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.769441][ T72] ip6_route_add+0x1c/0x140 [ 4889.769441][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4889.769441][ T72] inet6_addr_add+0x4f8/0xa40 [ 4889.769441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.769441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.769441][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.769441][ T72] netlink_unicast+0x449/0x710 [ 4889.769441][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.769441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.769441][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.769441][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.769441][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.769441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.769441][ T72] [ 4889.771763][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4889.771763][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.771763][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.771763][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.771763][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4889.771763][ T72] ipv6_add_addr+0x411/0x2000 [ 4889.771763][ T72] inet6_addr_add+0x30e/0xa40 [ 4889.771763][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.771763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.771763][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.771763][ T72] netlink_unicast+0x449/0x710 [ 4889.771763][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.771763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.771763][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.771763][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.771763][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.771763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.771763][ T72] [ 4889.774197][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4889.774197][ T72] netdev_get_by_index+0x5e/0x80 [ 4889.774197][ T72] fib6_nh_init+0x3d8/0x1580 [ 4889.774197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4889.774197][ T72] ip6_route_add+0x1c/0x140 [ 4889.774197][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4889.774197][ T72] addrconf_add_dev+0xe2/0x170 [ 4889.774197][ T72] inet6_addr_add+0x12f/0xa40 [ 4889.774197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.774197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.774197][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.774197][ T72] netlink_unicast+0x449/0x710 [ 4889.774197][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.774197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.774197][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.774197][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.774197][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.774197][ T72] [ 4889.776722][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4889.776722][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4889.776722][ T72] ipv6_find_idev+0x102/0x170 [ 4889.776722][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.776722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.776722][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.776722][ T72] netlink_unicast+0x449/0x710 [ 4889.776722][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.776722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.776722][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.776722][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.776722][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.776722][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.776722][ T72] [ 4889.778612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4889.778612][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4889.778612][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4889.778612][ T72] ipv6_find_idev+0x102/0x170 [ 4889.778612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.778612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.778612][ T72] netlink_rcv_skb+0x130/0x360 [ 4889.778612][ T72] netlink_unicast+0x449/0x710 [ 4889.778612][ T72] netlink_sendmsg+0x723/0xbe0 [ 4889.778612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4889.778612][ T72] ___sys_sendmsg+0xee/0x170 [ 4889.778612][ T72] __sys_sendmsg+0xcd/0x170 [ 4889.778612][ T72] do_syscall_64+0xc6/0x1e0 [ 4889.778612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.778612][ T72] [ 4900.016915][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4900.017422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4900.017422][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4900.017422][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4900.017422][ T72] fib6_nh_init+0xa22/0x1580 [ 4900.017422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.017422][ T72] ip6_route_add+0x1c/0x140 [ 4900.017422][ T72] inet6_rtm_newroute+0x104/0x110 [ 4900.017422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.017422][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.017422][ T72] netlink_unicast+0x449/0x710 [ 4900.017422][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.017422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.017422][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.017422][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.017422][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.017422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.017422][ T72] [ 4900.019523][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4900.019523][ T72] dst_init+0x84/0x4a0 [ 4900.019523][ T72] dst_alloc+0x97/0x150 [ 4900.019523][ T72] ip6_dst_alloc+0x23/0x90 [ 4900.019523][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4900.019523][ T72] ip6_pol_route+0x56f/0x840 [ 4900.019523][ T72] fib6_rule_lookup+0x456/0x630 [ 4900.019523][ T72] ip6_route_input+0x59c/0xa50 [ 4900.019523][ T72] ipv6_rcv+0x397/0x810 [ 4900.019523][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4900.019523][ T72] process_backlog+0x101/0x620 [ 4900.019523][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4900.019523][ T72] net_rx_action+0x495/0xbe0 [ 4900.019523][ T72] __do_softirq+0x1b5/0x7f6 [ 4900.019523][ T72] [ 4900.021341][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4900.021341][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.021341][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.021341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.021341][ T72] ip6_route_add+0x1c/0x140 [ 4900.021341][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4900.021341][ T72] inet6_addr_add+0x4f8/0xa40 [ 4900.021341][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.021341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.021341][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.021341][ T72] netlink_unicast+0x449/0x710 [ 4900.021341][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.021341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.021341][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.021341][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.021341][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.021341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.021341][ T72] [ 4900.023552][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4900.023552][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.023552][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.023552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.023552][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4900.023552][ T72] ipv6_add_addr+0x411/0x2000 [ 4900.023552][ T72] inet6_addr_add+0x30e/0xa40 [ 4900.023552][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.023552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.023552][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.023552][ T72] netlink_unicast+0x449/0x710 [ 4900.023552][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.023552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.023552][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.023552][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.023552][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.023552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.023552][ T72] [ 4900.025775][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4900.025775][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.025775][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.025775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.025775][ T72] ip6_route_add+0x1c/0x140 [ 4900.025775][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.025775][ T72] addrconf_add_dev+0xe2/0x170 [ 4900.025775][ T72] inet6_addr_add+0x12f/0xa40 [ 4900.025775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.025775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.025775][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.025775][ T72] netlink_unicast+0x449/0x710 [ 4900.025775][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.025775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.025775][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.025775][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.025775][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.025775][ T72] [ 4900.027939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4900.027939][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4900.027939][ T72] ipv6_find_idev+0x102/0x170 [ 4900.027939][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.027939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.027939][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.027939][ T72] netlink_unicast+0x449/0x710 [ 4900.027939][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.027939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.027939][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.027939][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.027939][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.027939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.027939][ T72] [ 4900.029638][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4900.029638][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4900.029638][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4900.029638][ T72] ipv6_find_idev+0x102/0x170 [ 4900.029638][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.029638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.029638][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.029638][ T72] netlink_unicast+0x449/0x710 [ 4900.029638][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.029638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.029638][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.029638][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.029638][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.029638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.029638][ T72] [ 4900.031508][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4900.031936][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4900.031936][ T72] dst_init+0x84/0x4a0 [ 4900.031936][ T72] dst_alloc+0x97/0x150 [ 4900.031936][ T72] ip6_dst_alloc+0x23/0x90 [ 4900.031936][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4900.031936][ T72] ip6_pol_route+0x56f/0x840 [ 4900.031936][ T72] fib6_rule_lookup+0x456/0x630 [ 4900.031936][ T72] ip6_route_input+0x59c/0xa50 [ 4900.031936][ T72] ipv6_rcv+0x397/0x810 [ 4900.031936][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4900.031936][ T72] process_backlog+0x101/0x620 [ 4900.031936][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4900.031936][ T72] net_rx_action+0x495/0xbe0 [ 4900.031936][ T72] __do_softirq+0x1b5/0x7f6 [ 4900.031936][ T72] [ 4900.033758][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4900.033758][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.033758][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.033758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.033758][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4900.033758][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4900.033758][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4900.033758][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4900.033758][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4900.033758][ T72] addrconf_dad_begin+0x310/0x670 [ 4900.033758][ T72] addrconf_dad_work+0x10b/0xab0 [ 4900.033758][ T72] process_one_work+0x84d/0x18a0 [ 4900.033758][ T72] worker_thread+0x587/0xd30 [ 4900.033758][ T72] kthread+0x28a/0x350 [ 4900.033758][ T72] ret_from_fork+0x31/0x70 [ 4900.033758][ T72] ret_from_fork_asm+0x1a/0x30 [ 4900.033758][ T72] [ 4900.035873][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4900.035873][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.035873][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.035873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.035873][ T72] ip6_route_add+0x1c/0x140 [ 4900.035873][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4900.035873][ T72] inet6_addr_add+0x4f8/0xa40 [ 4900.035873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.035873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.035873][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.035873][ T72] netlink_unicast+0x449/0x710 [ 4900.035873][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.035873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.035873][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.035873][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.035873][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.035873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.035873][ T72] [ 4900.038073][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4900.038073][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.038073][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.038073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.038073][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4900.038073][ T72] ipv6_add_addr+0x411/0x2000 [ 4900.038073][ T72] inet6_addr_add+0x30e/0xa40 [ 4900.038073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.038073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.038073][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.038073][ T72] netlink_unicast+0x449/0x710 [ 4900.038073][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.038073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.038073][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.038073][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.038073][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.038073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.038073][ T72] [ 4900.040279][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4900.040279][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.040279][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.040279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.040279][ T72] ip6_route_add+0x1c/0x140 [ 4900.040279][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.040279][ T72] addrconf_add_dev+0xe2/0x170 [ 4900.040279][ T72] inet6_addr_add+0x12f/0xa40 [ 4900.040279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.040279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.040279][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.040279][ T72] netlink_unicast+0x449/0x710 [ 4900.040279][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.040279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.040279][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.040279][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.040279][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.040279][ T72] [ 4900.042437][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4900.042437][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4900.042437][ T72] ipv6_find_idev+0x102/0x170 [ 4900.042437][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.042437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.042437][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.042437][ T72] netlink_unicast+0x449/0x710 [ 4900.042437][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.042437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.042437][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.042437][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.042437][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.042437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.042437][ T72] [ 4900.044129][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4900.044129][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4900.044129][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4900.044129][ T72] ipv6_find_idev+0x102/0x170 [ 4900.044129][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.044129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.044129][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.044129][ T72] netlink_unicast+0x449/0x710 [ 4900.044129][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.044129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.044129][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.044129][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.044129][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.044129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.044129][ T72] [ 4900.046044][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4900.046388][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4900.046388][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4900.046388][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4900.046388][ T72] fib6_nh_init+0xa22/0x1580 [ 4900.046388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.046388][ T72] ip6_route_add+0x1c/0x140 [ 4900.046388][ T72] inet6_rtm_newroute+0x104/0x110 [ 4900.046388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.046388][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.046388][ T72] netlink_unicast+0x449/0x710 [ 4900.046388][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.046388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.046388][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.046388][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.046388][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.046388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.046388][ T72] [ 4900.048714][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4900.048714][ T72] dst_init+0x84/0x4a0 [ 4900.048714][ T72] dst_alloc+0x97/0x150 [ 4900.048714][ T72] ip6_dst_alloc+0x23/0x90 [ 4900.048714][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4900.048714][ T72] ip6_pol_route+0x56f/0x840 [ 4900.048714][ T72] fib6_rule_lookup+0x456/0x630 [ 4900.048714][ T72] ip6_route_input+0x59c/0xa50 [ 4900.048714][ T72] ipv6_rcv+0x397/0x810 [ 4900.048714][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4900.048714][ T72] process_backlog+0x101/0x620 [ 4900.048714][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4900.048714][ T72] net_rx_action+0x495/0xbe0 [ 4900.048714][ T72] __do_softirq+0x1b5/0x7f6 [ 4900.048714][ T72] [ 4900.050690][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4900.050690][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.050690][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.050690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.050690][ T72] ip6_route_add+0x1c/0x140 [ 4900.050690][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4900.050690][ T72] inet6_addr_add+0x4f8/0xa40 [ 4900.050690][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.050690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.050690][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.050690][ T72] netlink_unicast+0x449/0x710 [ 4900.050690][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.050690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.050690][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.050690][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.050690][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.050690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.050690][ T72] [ 4900.053143][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4900.053143][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.053143][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.053143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.053143][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4900.053143][ T72] ipv6_add_addr+0x411/0x2000 [ 4900.053143][ T72] inet6_addr_add+0x30e/0xa40 [ 4900.053143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.053143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.053143][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.053143][ T72] netlink_unicast+0x449/0x710 [ 4900.053143][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.053143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.053143][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.053143][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.053143][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.053143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.053143][ T72] [ 4900.055605][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4900.055605][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.055605][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.055605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.055605][ T72] ip6_route_add+0x1c/0x140 [ 4900.055605][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.055605][ T72] addrconf_add_dev+0xe2/0x170 [ 4900.055605][ T72] inet6_addr_add+0x12f/0xa40 [ 4900.055605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.055605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.055605][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.055605][ T72] netlink_unicast+0x449/0x710 [ 4900.055605][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.055605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.055605][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.055605][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.055605][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.055605][ T72] [ 4900.058071][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4900.058071][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4900.058071][ T72] ipv6_find_idev+0x102/0x170 [ 4900.058071][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.058071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.058071][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.058071][ T72] netlink_unicast+0x449/0x710 [ 4900.058071][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.058071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.058071][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.058071][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.058071][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.058071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.058071][ T72] [ 4900.059939][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4900.059939][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4900.059939][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4900.059939][ T72] ipv6_find_idev+0x102/0x170 [ 4900.059939][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.059939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.059939][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.059939][ T72] netlink_unicast+0x449/0x710 [ 4900.059939][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.059939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.059939][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.059939][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.059939][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.059939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.059939][ T72] [ 4900.061971][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4900.062261][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4900.062261][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.062261][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.062261][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.062261][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4900.062261][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4900.062261][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4900.062261][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4900.062261][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4900.062261][ T72] addrconf_dad_begin+0x310/0x670 [ 4900.062261][ T72] addrconf_dad_work+0x10b/0xab0 [ 4900.062261][ T72] process_one_work+0x84d/0x18a0 [ 4900.062261][ T72] worker_thread+0x587/0xd30 [ 4900.062261][ T72] kthread+0x28a/0x350 [ 4900.062261][ T72] ret_from_fork+0x31/0x70 [ 4900.062261][ T72] ret_from_fork_asm+0x1a/0x30 [ 4900.062261][ T72] [ 4900.064597][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4900.064597][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.064597][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.064597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.064597][ T72] ip6_route_add+0x1c/0x140 [ 4900.064597][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4900.064597][ T72] inet6_addr_add+0x4f8/0xa40 [ 4900.064597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.064597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.064597][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.064597][ T72] netlink_unicast+0x449/0x710 [ 4900.064597][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.064597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.064597][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.064597][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.064597][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.064597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.064597][ T72] [ 4900.067037][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4900.067037][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.067037][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.067037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.067037][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4900.067037][ T72] ipv6_add_addr+0x411/0x2000 [ 4900.067037][ T72] inet6_addr_add+0x30e/0xa40 [ 4900.067037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.067037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.067037][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.067037][ T72] netlink_unicast+0x449/0x710 [ 4900.067037][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.067037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.067037][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.067037][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.067037][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.067037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.067037][ T72] [ 4900.069532][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4900.069532][ T72] netdev_get_by_index+0x5e/0x80 [ 4900.069532][ T72] fib6_nh_init+0x3d8/0x1580 [ 4900.069532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4900.069532][ T72] ip6_route_add+0x1c/0x140 [ 4900.069532][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.069532][ T72] addrconf_add_dev+0xe2/0x170 [ 4900.069532][ T72] inet6_addr_add+0x12f/0xa40 [ 4900.069532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.069532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.069532][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.069532][ T72] netlink_unicast+0x449/0x710 [ 4900.069532][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.069532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.069532][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.069532][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.069532][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.069532][ T72] [ 4900.071860][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4900.071860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4900.071860][ T72] ipv6_find_idev+0x102/0x170 [ 4900.071860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.071860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.071860][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.071860][ T72] netlink_unicast+0x449/0x710 [ 4900.071860][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.071860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.071860][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.071860][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.071860][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.071860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.071860][ T72] [ 4900.073734][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4900.073734][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4900.073734][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4900.073734][ T72] ipv6_find_idev+0x102/0x170 [ 4900.073734][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.073734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.073734][ T72] netlink_rcv_skb+0x130/0x360 [ 4900.073734][ T72] netlink_unicast+0x449/0x710 [ 4900.073734][ T72] netlink_sendmsg+0x723/0xbe0 [ 4900.073734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4900.073734][ T72] ___sys_sendmsg+0xee/0x170 [ 4900.073734][ T72] __sys_sendmsg+0xcd/0x170 [ 4900.073734][ T72] do_syscall_64+0xc6/0x1e0 [ 4900.073734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.073734][ T72] [ 4910.312906][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4910.313398][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4910.313398][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4910.313398][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4910.313398][ T72] fib6_nh_init+0xa22/0x1580 [ 4910.313398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.313398][ T72] ip6_route_add+0x1c/0x140 [ 4910.313398][ T72] inet6_rtm_newroute+0x104/0x110 [ 4910.313398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.313398][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.313398][ T72] netlink_unicast+0x449/0x710 [ 4910.313398][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.313398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.313398][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.313398][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.313398][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.313398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.313398][ T72] [ 4910.315517][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4910.315517][ T72] dst_init+0x84/0x4a0 [ 4910.315517][ T72] dst_alloc+0x97/0x150 [ 4910.315517][ T72] ip6_dst_alloc+0x23/0x90 [ 4910.315517][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4910.315517][ T72] ip6_pol_route+0x56f/0x840 [ 4910.315517][ T72] fib6_rule_lookup+0x456/0x630 [ 4910.315517][ T72] ip6_route_input+0x59c/0xa50 [ 4910.315517][ T72] ipv6_rcv+0x397/0x810 [ 4910.315517][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4910.315517][ T72] process_backlog+0x101/0x620 [ 4910.315517][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4910.315517][ T72] net_rx_action+0x495/0xbe0 [ 4910.315517][ T72] __do_softirq+0x1b5/0x7f6 [ 4910.315517][ T72] [ 4910.317345][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4910.317345][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.317345][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.317345][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.317345][ T72] ip6_route_add+0x1c/0x140 [ 4910.317345][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4910.317345][ T72] inet6_addr_add+0x4f8/0xa40 [ 4910.317345][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.317345][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.317345][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.317345][ T72] netlink_unicast+0x449/0x710 [ 4910.317345][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.317345][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.317345][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.317345][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.317345][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.317345][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.317345][ T72] [ 4910.319564][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4910.319564][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.319564][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.319564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.319564][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4910.319564][ T72] ipv6_add_addr+0x411/0x2000 [ 4910.319564][ T72] inet6_addr_add+0x30e/0xa40 [ 4910.319564][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.319564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.319564][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.319564][ T72] netlink_unicast+0x449/0x710 [ 4910.319564][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.319564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.319564][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.319564][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.319564][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.319564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.319564][ T72] [ 4910.321761][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4910.321761][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.321761][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.321761][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.321761][ T72] ip6_route_add+0x1c/0x140 [ 4910.321761][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4910.321761][ T72] addrconf_add_dev+0xe2/0x170 [ 4910.321761][ T72] inet6_addr_add+0x12f/0xa40 [ 4910.321761][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.321761][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.321761][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.321761][ T72] netlink_unicast+0x449/0x710 [ 4910.321761][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.321761][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.321761][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.321761][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.321761][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.321761][ T72] [ 4910.323931][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4910.323931][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4910.323931][ T72] ipv6_find_idev+0x102/0x170 [ 4910.323931][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.323931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.323931][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.323931][ T72] netlink_unicast+0x449/0x710 [ 4910.323931][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.323931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.323931][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.323931][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.323931][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.323931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.323931][ T72] [ 4910.325634][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4910.325634][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4910.325634][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4910.325634][ T72] ipv6_find_idev+0x102/0x170 [ 4910.325634][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.325634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.325634][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.325634][ T72] netlink_unicast+0x449/0x710 [ 4910.325634][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.325634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.325634][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.325634][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.325634][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.325634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.325634][ T72] [ 4910.327494][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4910.327793][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4910.327793][ T72] dst_init+0x84/0x4a0 [ 4910.327793][ T72] dst_alloc+0x97/0x150 [ 4910.327793][ T72] ip6_dst_alloc+0x23/0x90 [ 4910.327793][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4910.327793][ T72] ip6_pol_route+0x56f/0x840 [ 4910.327793][ T72] fib6_rule_lookup+0x456/0x630 [ 4910.327793][ T72] ip6_route_input+0x59c/0xa50 [ 4910.327793][ T72] ipv6_rcv+0x397/0x810 [ 4910.327793][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4910.327793][ T72] process_backlog+0x101/0x620 [ 4910.327793][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4910.327793][ T72] net_rx_action+0x495/0xbe0 [ 4910.327793][ T72] __do_softirq+0x1b5/0x7f6 [ 4910.327793][ T72] [ 4910.329593][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4910.329593][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.329593][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.329593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.329593][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4910.329593][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4910.329593][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4910.329593][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4910.329593][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4910.329593][ T72] addrconf_dad_begin+0x310/0x670 [ 4910.329593][ T72] addrconf_dad_work+0x10b/0xab0 [ 4910.329593][ T72] process_one_work+0x84d/0x18a0 [ 4910.329593][ T72] worker_thread+0x587/0xd30 [ 4910.329593][ T72] kthread+0x28a/0x350 [ 4910.329593][ T72] ret_from_fork+0x31/0x70 [ 4910.329593][ T72] ret_from_fork_asm+0x1a/0x30 [ 4910.329593][ T72] [ 4910.331693][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4910.331693][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.331693][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.331693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.331693][ T72] ip6_route_add+0x1c/0x140 [ 4910.331693][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4910.331693][ T72] inet6_addr_add+0x4f8/0xa40 [ 4910.331693][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.331693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.331693][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.331693][ T72] netlink_unicast+0x449/0x710 [ 4910.331693][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.331693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.331693][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.331693][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.331693][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.331693][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.331693][ T72] [ 4910.333876][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4910.333876][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.333876][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.333876][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.333876][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4910.333876][ T72] ipv6_add_addr+0x411/0x2000 [ 4910.333876][ T72] inet6_addr_add+0x30e/0xa40 [ 4910.333876][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.333876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.333876][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.333876][ T72] netlink_unicast+0x449/0x710 [ 4910.333876][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.333876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.333876][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.333876][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.333876][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.333876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.333876][ T72] [ 4910.336082][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4910.336082][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.336082][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.336082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.336082][ T72] ip6_route_add+0x1c/0x140 [ 4910.336082][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4910.336082][ T72] addrconf_add_dev+0xe2/0x170 [ 4910.336082][ T72] inet6_addr_add+0x12f/0xa40 [ 4910.336082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.336082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.336082][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.336082][ T72] netlink_unicast+0x449/0x710 [ 4910.336082][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.336082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.336082][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.336082][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.336082][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.336082][ T72] [ 4910.338238][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4910.338238][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4910.338238][ T72] ipv6_find_idev+0x102/0x170 [ 4910.338238][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.338238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.338238][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.338238][ T72] netlink_unicast+0x449/0x710 [ 4910.338238][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.338238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.338238][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.338238][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.338238][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.338238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.338238][ T72] [ 4910.339931][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4910.339931][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4910.339931][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4910.339931][ T72] ipv6_find_idev+0x102/0x170 [ 4910.339931][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.339931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.339931][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.339931][ T72] netlink_unicast+0x449/0x710 [ 4910.339931][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.339931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.339931][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.339931][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.339931][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.339931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.339931][ T72] [ 4910.341861][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4910.342219][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4910.342219][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4910.342219][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4910.342219][ T72] fib6_nh_init+0xa22/0x1580 [ 4910.342219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.342219][ T72] ip6_route_add+0x1c/0x140 [ 4910.342219][ T72] inet6_rtm_newroute+0x104/0x110 [ 4910.342219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.342219][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.342219][ T72] netlink_unicast+0x449/0x710 [ 4910.342219][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.342219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.342219][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.342219][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.342219][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.342219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.342219][ T72] [ 4910.344545][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4910.344545][ T72] dst_init+0x84/0x4a0 [ 4910.344545][ T72] dst_alloc+0x97/0x150 [ 4910.344545][ T72] ip6_dst_alloc+0x23/0x90 [ 4910.344545][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4910.344545][ T72] ip6_pol_route+0x56f/0x840 [ 4910.344545][ T72] fib6_rule_lookup+0x456/0x630 [ 4910.344545][ T72] ip6_route_input+0x59c/0xa50 [ 4910.344545][ T72] ipv6_rcv+0x397/0x810 [ 4910.344545][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4910.344545][ T72] process_backlog+0x101/0x620 [ 4910.344545][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4910.344545][ T72] net_rx_action+0x495/0xbe0 [ 4910.344545][ T72] __do_softirq+0x1b5/0x7f6 [ 4910.344545][ T72] [ 4910.346535][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4910.346535][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.346535][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.346535][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.346535][ T72] ip6_route_add+0x1c/0x140 [ 4910.346535][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4910.346535][ T72] inet6_addr_add+0x4f8/0xa40 [ 4910.346535][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.346535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.346535][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.346535][ T72] netlink_unicast+0x449/0x710 [ 4910.346535][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.346535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.346535][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.346535][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.346535][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.346535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.346535][ T72] [ 4910.348980][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4910.348980][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.348980][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.348980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.348980][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4910.348980][ T72] ipv6_add_addr+0x411/0x2000 [ 4910.348980][ T72] inet6_addr_add+0x30e/0xa40 [ 4910.348980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.348980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.348980][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.348980][ T72] netlink_unicast+0x449/0x710 [ 4910.348980][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.348980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.348980][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.348980][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.348980][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.348980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.348980][ T72] [ 4910.351403][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4910.351403][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.351403][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.351403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.351403][ T72] ip6_route_add+0x1c/0x140 [ 4910.351403][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4910.351403][ T72] addrconf_add_dev+0xe2/0x170 [ 4910.351403][ T72] inet6_addr_add+0x12f/0xa40 [ 4910.351403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.351403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.351403][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.351403][ T72] netlink_unicast+0x449/0x710 [ 4910.351403][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.351403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.351403][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.351403][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.351403][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.351403][ T72] [ 4910.353881][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4910.353881][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4910.353881][ T72] ipv6_find_idev+0x102/0x170 [ 4910.353881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.353881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.353881][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.353881][ T72] netlink_unicast+0x449/0x710 [ 4910.353881][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.353881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.353881][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.353881][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.353881][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.353881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.353881][ T72] [ 4910.355762][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4910.355762][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4910.355762][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4910.355762][ T72] ipv6_find_idev+0x102/0x170 [ 4910.355762][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.355762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.355762][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.355762][ T72] netlink_unicast+0x449/0x710 [ 4910.355762][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.355762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.355762][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.355762][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.355762][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.355762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.355762][ T72] [ 4910.357787][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4910.358111][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4910.358111][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.358111][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.358111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.358111][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4910.358111][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4910.358111][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4910.358111][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4910.358111][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4910.358111][ T72] addrconf_dad_begin+0x310/0x670 [ 4910.358111][ T72] addrconf_dad_work+0x10b/0xab0 [ 4910.358111][ T72] process_one_work+0x84d/0x18a0 [ 4910.358111][ T72] worker_thread+0x587/0xd30 [ 4910.358111][ T72] kthread+0x28a/0x350 [ 4910.358111][ T72] ret_from_fork+0x31/0x70 [ 4910.358111][ T72] ret_from_fork_asm+0x1a/0x30 [ 4910.358111][ T72] [ 4910.360477][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4910.360477][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.360477][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.360477][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.360477][ T72] ip6_route_add+0x1c/0x140 [ 4910.360477][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4910.360477][ T72] inet6_addr_add+0x4f8/0xa40 [ 4910.360477][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.360477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.360477][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.360477][ T72] netlink_unicast+0x449/0x710 [ 4910.360477][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.360477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.360477][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.360477][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.360477][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.360477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.360477][ T72] [ 4910.362920][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4910.362920][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.362920][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.362920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.362920][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4910.362920][ T72] ipv6_add_addr+0x411/0x2000 [ 4910.362920][ T72] inet6_addr_add+0x30e/0xa40 [ 4910.362920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.362920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.362920][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.362920][ T72] netlink_unicast+0x449/0x710 [ 4910.362920][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.362920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.362920][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.362920][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.362920][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.362920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.362920][ T72] [ 4910.365445][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4910.365445][ T72] netdev_get_by_index+0x5e/0x80 [ 4910.365445][ T72] fib6_nh_init+0x3d8/0x1580 [ 4910.365445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4910.365445][ T72] ip6_route_add+0x1c/0x140 [ 4910.365445][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4910.365445][ T72] addrconf_add_dev+0xe2/0x170 [ 4910.365445][ T72] inet6_addr_add+0x12f/0xa40 [ 4910.365445][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.365445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.365445][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.365445][ T72] netlink_unicast+0x449/0x710 [ 4910.365445][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.365445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.365445][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.365445][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.365445][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.365445][ T72] [ 4910.367804][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4910.367804][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4910.367804][ T72] ipv6_find_idev+0x102/0x170 [ 4910.367804][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.367804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.367804][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.367804][ T72] netlink_unicast+0x449/0x710 [ 4910.367804][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.367804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.367804][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.367804][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.367804][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.367804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.367804][ T72] [ 4910.369686][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4910.369686][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4910.369686][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4910.369686][ T72] ipv6_find_idev+0x102/0x170 [ 4910.369686][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.369686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.369686][ T72] netlink_rcv_skb+0x130/0x360 [ 4910.369686][ T72] netlink_unicast+0x449/0x710 [ 4910.369686][ T72] netlink_sendmsg+0x723/0xbe0 [ 4910.369686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4910.369686][ T72] ___sys_sendmsg+0xee/0x170 [ 4910.369686][ T72] __sys_sendmsg+0xcd/0x170 [ 4910.369686][ T72] do_syscall_64+0xc6/0x1e0 [ 4910.369686][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.369686][ T72] [ 4920.608909][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4920.609426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4920.609426][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4920.609426][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4920.609426][ T72] fib6_nh_init+0xa22/0x1580 [ 4920.609426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.609426][ T72] ip6_route_add+0x1c/0x140 [ 4920.609426][ T72] inet6_rtm_newroute+0x104/0x110 [ 4920.609426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.609426][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.609426][ T72] netlink_unicast+0x449/0x710 [ 4920.609426][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.609426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.609426][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.609426][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.609426][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.609426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.609426][ T72] [ 4920.611544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4920.611544][ T72] dst_init+0x84/0x4a0 [ 4920.611544][ T72] dst_alloc+0x97/0x150 [ 4920.611544][ T72] ip6_dst_alloc+0x23/0x90 [ 4920.611544][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4920.611544][ T72] ip6_pol_route+0x56f/0x840 [ 4920.611544][ T72] fib6_rule_lookup+0x456/0x630 [ 4920.611544][ T72] ip6_route_input+0x59c/0xa50 [ 4920.611544][ T72] ipv6_rcv+0x397/0x810 [ 4920.611544][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4920.611544][ T72] process_backlog+0x101/0x620 [ 4920.611544][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4920.611544][ T72] net_rx_action+0x495/0xbe0 [ 4920.611544][ T72] __do_softirq+0x1b5/0x7f6 [ 4920.611544][ T72] [ 4920.613360][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4920.613360][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.613360][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.613360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.613360][ T72] ip6_route_add+0x1c/0x140 [ 4920.613360][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4920.613360][ T72] inet6_addr_add+0x4f8/0xa40 [ 4920.613360][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.613360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.613360][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.613360][ T72] netlink_unicast+0x449/0x710 [ 4920.613360][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.613360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.613360][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.613360][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.613360][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.613360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.613360][ T72] [ 4920.615592][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4920.615592][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.615592][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.615592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.615592][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4920.615592][ T72] ipv6_add_addr+0x411/0x2000 [ 4920.615592][ T72] inet6_addr_add+0x30e/0xa40 [ 4920.615592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.615592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.615592][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.615592][ T72] netlink_unicast+0x449/0x710 [ 4920.615592][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.615592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.615592][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.615592][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.615592][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.615592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.615592][ T72] [ 4920.617800][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4920.617800][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.617800][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.617800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.617800][ T72] ip6_route_add+0x1c/0x140 [ 4920.617800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4920.617800][ T72] addrconf_add_dev+0xe2/0x170 [ 4920.617800][ T72] inet6_addr_add+0x12f/0xa40 [ 4920.617800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.617800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.617800][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.617800][ T72] netlink_unicast+0x449/0x710 [ 4920.617800][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.617800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.617800][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.617800][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.617800][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.617800][ T72] [ 4920.619975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4920.619975][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4920.619975][ T72] ipv6_find_idev+0x102/0x170 [ 4920.619975][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.619975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.619975][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.619975][ T72] netlink_unicast+0x449/0x710 [ 4920.619975][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.619975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.619975][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.619975][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.619975][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.619975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.619975][ T72] [ 4920.621687][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4920.621687][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4920.621687][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4920.621687][ T72] ipv6_find_idev+0x102/0x170 [ 4920.621687][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.621687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.621687][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.621687][ T72] netlink_unicast+0x449/0x710 [ 4920.621687][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.621687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.621687][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.621687][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.621687][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.621687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.621687][ T72] [ 4920.623569][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4920.623887][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4920.623887][ T72] dst_init+0x84/0x4a0 [ 4920.623887][ T72] dst_alloc+0x97/0x150 [ 4920.623887][ T72] ip6_dst_alloc+0x23/0x90 [ 4920.623887][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4920.623887][ T72] ip6_pol_route+0x56f/0x840 [ 4920.623887][ T72] fib6_rule_lookup+0x456/0x630 [ 4920.623887][ T72] ip6_route_input+0x59c/0xa50 [ 4920.623887][ T72] ipv6_rcv+0x397/0x810 [ 4920.623887][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4920.623887][ T72] process_backlog+0x101/0x620 [ 4920.623887][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4920.623887][ T72] net_rx_action+0x495/0xbe0 [ 4920.623887][ T72] __do_softirq+0x1b5/0x7f6 [ 4920.623887][ T72] [ 4920.625717][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4920.625717][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.625717][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.625717][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.625717][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4920.625717][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4920.625717][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4920.625717][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4920.625717][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4920.625717][ T72] addrconf_dad_begin+0x310/0x670 [ 4920.625717][ T72] addrconf_dad_work+0x10b/0xab0 [ 4920.625717][ T72] process_one_work+0x84d/0x18a0 [ 4920.625717][ T72] worker_thread+0x587/0xd30 [ 4920.625717][ T72] kthread+0x28a/0x350 [ 4920.625717][ T72] ret_from_fork+0x31/0x70 [ 4920.625717][ T72] ret_from_fork_asm+0x1a/0x30 [ 4920.625717][ T72] [ 4920.627813][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4920.627813][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.627813][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.627813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.627813][ T72] ip6_route_add+0x1c/0x140 [ 4920.627813][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4920.627813][ T72] inet6_addr_add+0x4f8/0xa40 [ 4920.627813][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.627813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.627813][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.627813][ T72] netlink_unicast+0x449/0x710 [ 4920.627813][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.627813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.627813][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.627813][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.627813][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.627813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.627813][ T72] [ 4920.630034][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4920.630034][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.630034][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.630034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.630034][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4920.630034][ T72] ipv6_add_addr+0x411/0x2000 [ 4920.630034][ T72] inet6_addr_add+0x30e/0xa40 [ 4920.630034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.630034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.630034][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.630034][ T72] netlink_unicast+0x449/0x710 [ 4920.630034][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.630034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.630034][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.630034][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.630034][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.630034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.630034][ T72] [ 4920.632247][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4920.632247][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.632247][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.632247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.632247][ T72] ip6_route_add+0x1c/0x140 [ 4920.632247][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4920.632247][ T72] addrconf_add_dev+0xe2/0x170 [ 4920.632247][ T72] inet6_addr_add+0x12f/0xa40 [ 4920.632247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.632247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.632247][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.632247][ T72] netlink_unicast+0x449/0x710 [ 4920.632247][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.632247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.632247][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.632247][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.632247][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.632247][ T72] [ 4920.634431][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4920.634431][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4920.634431][ T72] ipv6_find_idev+0x102/0x170 [ 4920.634431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.634431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.634431][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.634431][ T72] netlink_unicast+0x449/0x710 [ 4920.634431][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.634431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.634431][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.634431][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.634431][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.634431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.634431][ T72] [ 4920.636124][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4920.636124][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4920.636124][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4920.636124][ T72] ipv6_find_idev+0x102/0x170 [ 4920.636124][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.636124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.636124][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.636124][ T72] netlink_unicast+0x449/0x710 [ 4920.636124][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.636124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.636124][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.636124][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.636124][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.636124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.636124][ T72] [ 4920.638047][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4920.638405][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4920.638405][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4920.638405][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4920.638405][ T72] fib6_nh_init+0xa22/0x1580 [ 4920.638405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.638405][ T72] ip6_route_add+0x1c/0x140 [ 4920.638405][ T72] inet6_rtm_newroute+0x104/0x110 [ 4920.638405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.638405][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.638405][ T72] netlink_unicast+0x449/0x710 [ 4920.638405][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.638405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.638405][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.638405][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.638405][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.638405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.638405][ T72] [ 4920.641245][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4920.641245][ T72] dst_init+0x84/0x4a0 [ 4920.641245][ T72] dst_alloc+0x97/0x150 [ 4920.641245][ T72] ip6_dst_alloc+0x23/0x90 [ 4920.641245][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4920.641245][ T72] ip6_pol_route+0x56f/0x840 [ 4920.641245][ T72] fib6_rule_lookup+0x456/0x630 [ 4920.641245][ T72] ip6_route_input+0x59c/0xa50 [ 4920.641245][ T72] ipv6_rcv+0x397/0x810 [ 4920.641245][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4920.641245][ T72] process_backlog+0x101/0x620 [ 4920.641245][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4920.641245][ T72] net_rx_action+0x495/0xbe0 [ 4920.641245][ T72] __do_softirq+0x1b5/0x7f6 [ 4920.641245][ T72] [ 4920.643226][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4920.643226][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.643226][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.643226][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.643226][ T72] ip6_route_add+0x1c/0x140 [ 4920.643226][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4920.643226][ T72] inet6_addr_add+0x4f8/0xa40 [ 4920.643226][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.643226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.643226][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.643226][ T72] netlink_unicast+0x449/0x710 [ 4920.643226][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.643226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.643226][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.643226][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.643226][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.643226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.643226][ T72] [ 4920.645679][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4920.645679][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.645679][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.645679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.645679][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4920.645679][ T72] ipv6_add_addr+0x411/0x2000 [ 4920.645679][ T72] inet6_addr_add+0x30e/0xa40 [ 4920.645679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.645679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.645679][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.645679][ T72] netlink_unicast+0x449/0x710 [ 4920.645679][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.645679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.645679][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.645679][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.645679][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.645679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.645679][ T72] [ 4920.648140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4920.648140][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.648140][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.648140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.648140][ T72] ip6_route_add+0x1c/0x140 [ 4920.648140][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4920.648140][ T72] addrconf_add_dev+0xe2/0x170 [ 4920.648140][ T72] inet6_addr_add+0x12f/0xa40 [ 4920.648140][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.648140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.648140][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.648140][ T72] netlink_unicast+0x449/0x710 [ 4920.648140][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.648140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.648140][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.648140][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.648140][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.648140][ T72] [ 4920.650625][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4920.650625][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4920.650625][ T72] ipv6_find_idev+0x102/0x170 [ 4920.650625][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.650625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.650625][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.650625][ T72] netlink_unicast+0x449/0x710 [ 4920.650625][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.650625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.650625][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.650625][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.650625][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.650625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.650625][ T72] [ 4920.652510][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4920.652510][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4920.652510][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4920.652510][ T72] ipv6_find_idev+0x102/0x170 [ 4920.652510][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.652510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.652510][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.652510][ T72] netlink_unicast+0x449/0x710 [ 4920.652510][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.652510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.652510][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.652510][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.652510][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.652510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.652510][ T72] [ 4920.654555][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4920.655311][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4920.655311][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.655311][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.655311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.655311][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4920.655311][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4920.655311][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4920.655311][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4920.655311][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4920.655311][ T72] addrconf_dad_begin+0x310/0x670 [ 4920.655311][ T72] addrconf_dad_work+0x10b/0xab0 [ 4920.655311][ T72] process_one_work+0x84d/0x18a0 [ 4920.655311][ T72] worker_thread+0x587/0xd30 [ 4920.655311][ T72] kthread+0x28a/0x350 [ 4920.655311][ T72] ret_from_fork+0x31/0x70 [ 4920.655311][ T72] ret_from_fork_asm+0x1a/0x30 [ 4920.655311][ T72] [ 4920.657420][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4920.657420][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.657420][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.657420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.657420][ T72] ip6_route_add+0x1c/0x140 [ 4920.657420][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4920.657420][ T72] inet6_addr_add+0x4f8/0xa40 [ 4920.657420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.657420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.657420][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.657420][ T72] netlink_unicast+0x449/0x710 [ 4920.657420][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.657420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.657420][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.657420][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.657420][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.657420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.657420][ T72] [ 4920.659752][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4920.659752][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.659752][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.659752][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.659752][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4920.659752][ T72] ipv6_add_addr+0x411/0x2000 [ 4920.659752][ T72] inet6_addr_add+0x30e/0xa40 [ 4920.659752][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.659752][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.659752][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.659752][ T72] netlink_unicast+0x449/0x710 [ 4920.659752][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.659752][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.659752][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.659752][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.659752][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.659752][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.659752][ T72] [ 4920.662209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4920.662209][ T72] netdev_get_by_index+0x5e/0x80 [ 4920.662209][ T72] fib6_nh_init+0x3d8/0x1580 [ 4920.662209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4920.662209][ T72] ip6_route_add+0x1c/0x140 [ 4920.662209][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4920.662209][ T72] addrconf_add_dev+0xe2/0x170 [ 4920.662209][ T72] inet6_addr_add+0x12f/0xa40 [ 4920.662209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.662209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.662209][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.662209][ T72] netlink_unicast+0x449/0x710 [ 4920.662209][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.662209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.662209][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.662209][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.662209][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.662209][ T72] [ 4920.665060][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4920.665060][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4920.665060][ T72] ipv6_find_idev+0x102/0x170 [ 4920.665060][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.665060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.665060][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.665060][ T72] netlink_unicast+0x449/0x710 [ 4920.665060][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.665060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.665060][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.665060][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.665060][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.665060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.665060][ T72] [ 4920.666940][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4920.666940][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4920.666940][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4920.666940][ T72] ipv6_find_idev+0x102/0x170 [ 4920.666940][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.666940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.666940][ T72] netlink_rcv_skb+0x130/0x360 [ 4920.666940][ T72] netlink_unicast+0x449/0x710 [ 4920.666940][ T72] netlink_sendmsg+0x723/0xbe0 [ 4920.666940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4920.666940][ T72] ___sys_sendmsg+0xee/0x170 [ 4920.666940][ T72] __sys_sendmsg+0xcd/0x170 [ 4920.666940][ T72] do_syscall_64+0xc6/0x1e0 [ 4920.666940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.666940][ T72] [ 4930.680858][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4930.681339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4930.681339][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4930.681339][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4930.681339][ T72] fib6_nh_init+0xa22/0x1580 [ 4930.681339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.681339][ T72] ip6_route_add+0x1c/0x140 [ 4930.681339][ T72] inet6_rtm_newroute+0x104/0x110 [ 4930.681339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.681339][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.681339][ T72] netlink_unicast+0x449/0x710 [ 4930.681339][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.681339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.681339][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.681339][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.681339][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.681339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.681339][ T72] [ 4930.683270][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4930.683270][ T72] dst_init+0x84/0x4a0 [ 4930.683270][ T72] dst_alloc+0x97/0x150 [ 4930.683270][ T72] ip6_dst_alloc+0x23/0x90 [ 4930.683270][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4930.683270][ T72] ip6_pol_route+0x56f/0x840 [ 4930.683270][ T72] fib6_rule_lookup+0x456/0x630 [ 4930.683270][ T72] ip6_route_input+0x59c/0xa50 [ 4930.683270][ T72] ipv6_rcv+0x397/0x810 [ 4930.683270][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4930.683270][ T72] process_backlog+0x101/0x620 [ 4930.683270][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4930.683270][ T72] net_rx_action+0x495/0xbe0 [ 4930.683270][ T72] __do_softirq+0x1b5/0x7f6 [ 4930.683270][ T72] [ 4930.684914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4930.684914][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.684914][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.684914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.684914][ T72] ip6_route_add+0x1c/0x140 [ 4930.684914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4930.684914][ T72] inet6_addr_add+0x4f8/0xa40 [ 4930.684914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.684914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.684914][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.684914][ T72] netlink_unicast+0x449/0x710 [ 4930.684914][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.684914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.684914][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.684914][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.684914][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.684914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.684914][ T72] [ 4930.686930][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4930.686930][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.686930][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.686930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.686930][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4930.686930][ T72] ipv6_add_addr+0x411/0x2000 [ 4930.686930][ T72] inet6_addr_add+0x30e/0xa40 [ 4930.686930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.686930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.686930][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.686930][ T72] netlink_unicast+0x449/0x710 [ 4930.686930][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.686930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.686930][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.686930][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.686930][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.686930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.686930][ T72] [ 4930.688942][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4930.688942][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.688942][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.688942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.688942][ T72] ip6_route_add+0x1c/0x140 [ 4930.688942][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4930.688942][ T72] addrconf_add_dev+0xe2/0x170 [ 4930.688942][ T72] inet6_addr_add+0x12f/0xa40 [ 4930.688942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.688942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.688942][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.688942][ T72] netlink_unicast+0x449/0x710 [ 4930.688942][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.688942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.688942][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.688942][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.688942][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.688942][ T72] [ 4930.690916][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4930.690916][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4930.690916][ T72] ipv6_find_idev+0x102/0x170 [ 4930.690916][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.690916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.690916][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.690916][ T72] netlink_unicast+0x449/0x710 [ 4930.690916][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.690916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.690916][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.690916][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.690916][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.690916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.690916][ T72] [ 4930.692459][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4930.692459][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4930.692459][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4930.692459][ T72] ipv6_find_idev+0x102/0x170 [ 4930.692459][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.692459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.692459][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.692459][ T72] netlink_unicast+0x449/0x710 [ 4930.692459][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.692459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.692459][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.692459][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.692459][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.692459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.692459][ T72] [ 4930.694167][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4930.694440][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4930.694440][ T72] dst_init+0x84/0x4a0 [ 4930.694440][ T72] dst_alloc+0x97/0x150 [ 4930.694440][ T72] ip6_dst_alloc+0x23/0x90 [ 4930.694440][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4930.694440][ T72] ip6_pol_route+0x56f/0x840 [ 4930.694440][ T72] fib6_rule_lookup+0x456/0x630 [ 4930.694440][ T72] ip6_route_input+0x59c/0xa50 [ 4930.694440][ T72] ipv6_rcv+0x397/0x810 [ 4930.694440][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4930.694440][ T72] process_backlog+0x101/0x620 [ 4930.694440][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4930.694440][ T72] net_rx_action+0x495/0xbe0 [ 4930.694440][ T72] __do_softirq+0x1b5/0x7f6 [ 4930.694440][ T72] [ 4930.696099][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4930.696099][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.696099][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.696099][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.696099][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4930.696099][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4930.696099][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4930.696099][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4930.696099][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4930.696099][ T72] addrconf_dad_begin+0x310/0x670 [ 4930.696099][ T72] addrconf_dad_work+0x10b/0xab0 [ 4930.696099][ T72] process_one_work+0x84d/0x18a0 [ 4930.696099][ T72] worker_thread+0x587/0xd30 [ 4930.696099][ T72] kthread+0x28a/0x350 [ 4930.696099][ T72] ret_from_fork+0x31/0x70 [ 4930.696099][ T72] ret_from_fork_asm+0x1a/0x30 [ 4930.696099][ T72] [ 4930.698017][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4930.698017][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.698017][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.698017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.698017][ T72] ip6_route_add+0x1c/0x140 [ 4930.698017][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4930.698017][ T72] inet6_addr_add+0x4f8/0xa40 [ 4930.698017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.698017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.698017][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.698017][ T72] netlink_unicast+0x449/0x710 [ 4930.698017][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.698017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.698017][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.698017][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.698017][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.698017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.698017][ T72] [ 4930.700022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4930.700022][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.700022][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.700022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.700022][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4930.700022][ T72] ipv6_add_addr+0x411/0x2000 [ 4930.700022][ T72] inet6_addr_add+0x30e/0xa40 [ 4930.700022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.700022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.700022][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.700022][ T72] netlink_unicast+0x449/0x710 [ 4930.700022][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.700022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.700022][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.700022][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.700022][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.700022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.700022][ T72] [ 4930.702033][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4930.702033][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.702033][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.702033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.702033][ T72] ip6_route_add+0x1c/0x140 [ 4930.702033][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4930.702033][ T72] addrconf_add_dev+0xe2/0x170 [ 4930.702033][ T72] inet6_addr_add+0x12f/0xa40 [ 4930.702033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.702033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.702033][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.702033][ T72] netlink_unicast+0x449/0x710 [ 4930.702033][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.702033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.702033][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.702033][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.702033][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.702033][ T72] [ 4930.704010][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4930.704010][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4930.704010][ T72] ipv6_find_idev+0x102/0x170 [ 4930.704010][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.704010][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.704010][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.704010][ T72] netlink_unicast+0x449/0x710 [ 4930.704010][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.704010][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.704010][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.704010][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.704010][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.704010][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.704010][ T72] [ 4930.705571][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4930.705571][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4930.705571][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4930.705571][ T72] ipv6_find_idev+0x102/0x170 [ 4930.705571][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.705571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.705571][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.705571][ T72] netlink_unicast+0x449/0x710 [ 4930.705571][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.705571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.705571][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.705571][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.705571][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.705571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.705571][ T72] [ 4930.707393][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4930.707665][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4930.707665][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4930.707665][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4930.707665][ T72] fib6_nh_init+0xa22/0x1580 [ 4930.707665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.707665][ T72] ip6_route_add+0x1c/0x140 [ 4930.707665][ T72] inet6_rtm_newroute+0x104/0x110 [ 4930.707665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.707665][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.707665][ T72] netlink_unicast+0x449/0x710 [ 4930.707665][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.707665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.707665][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.707665][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.707665][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.707665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.707665][ T72] [ 4930.709855][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4930.709855][ T72] dst_init+0x84/0x4a0 [ 4930.709855][ T72] dst_alloc+0x97/0x150 [ 4930.709855][ T72] ip6_dst_alloc+0x23/0x90 [ 4930.709855][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4930.709855][ T72] ip6_pol_route+0x56f/0x840 [ 4930.709855][ T72] fib6_rule_lookup+0x456/0x630 [ 4930.709855][ T72] ip6_route_input+0x59c/0xa50 [ 4930.709855][ T72] ipv6_rcv+0x397/0x810 [ 4930.709855][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4930.709855][ T72] process_backlog+0x101/0x620 [ 4930.709855][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4930.709855][ T72] net_rx_action+0x495/0xbe0 [ 4930.709855][ T72] __do_softirq+0x1b5/0x7f6 [ 4930.709855][ T72] [ 4930.711681][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4930.711681][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.711681][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.711681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.711681][ T72] ip6_route_add+0x1c/0x140 [ 4930.711681][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4930.711681][ T72] inet6_addr_add+0x4f8/0xa40 [ 4930.711681][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.711681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.711681][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.711681][ T72] netlink_unicast+0x449/0x710 [ 4930.711681][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.711681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.711681][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.711681][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.711681][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.711681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.711681][ T72] [ 4930.713928][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4930.713928][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.713928][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.713928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.713928][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4930.713928][ T72] ipv6_add_addr+0x411/0x2000 [ 4930.713928][ T72] inet6_addr_add+0x30e/0xa40 [ 4930.713928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.713928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.713928][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.713928][ T72] netlink_unicast+0x449/0x710 [ 4930.713928][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.713928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.713928][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.713928][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.713928][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.713928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.713928][ T72] [ 4930.716120][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4930.716120][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.716120][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.716120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.716120][ T72] ip6_route_add+0x1c/0x140 [ 4930.716120][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4930.716120][ T72] addrconf_add_dev+0xe2/0x170 [ 4930.716120][ T72] inet6_addr_add+0x12f/0xa40 [ 4930.716120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.716120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.716120][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.716120][ T72] netlink_unicast+0x449/0x710 [ 4930.716120][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.716120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.716120][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.716120][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.716120][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.716120][ T72] [ 4930.718396][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4930.718396][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4930.718396][ T72] ipv6_find_idev+0x102/0x170 [ 4930.718396][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.718396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.718396][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.718396][ T72] netlink_unicast+0x449/0x710 [ 4930.718396][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.718396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.718396][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.718396][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.718396][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.718396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.718396][ T72] [ 4930.720117][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4930.720117][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4930.720117][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4930.720117][ T72] ipv6_find_idev+0x102/0x170 [ 4930.720117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.720117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.720117][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.720117][ T72] netlink_unicast+0x449/0x710 [ 4930.720117][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.720117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.720117][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.720117][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.720117][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.720117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.720117][ T72] [ 4930.721992][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4930.722328][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4930.722328][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.722328][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.722328][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.722328][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4930.722328][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4930.722328][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4930.722328][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4930.722328][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4930.722328][ T72] addrconf_dad_begin+0x310/0x670 [ 4930.722328][ T72] addrconf_dad_work+0x10b/0xab0 [ 4930.722328][ T72] process_one_work+0x84d/0x18a0 [ 4930.722328][ T72] worker_thread+0x587/0xd30 [ 4930.722328][ T72] kthread+0x28a/0x350 [ 4930.722328][ T72] ret_from_fork+0x31/0x70 [ 4930.722328][ T72] ret_from_fork_asm+0x1a/0x30 [ 4930.722328][ T72] [ 4930.724365][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4930.724365][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.724365][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.724365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.724365][ T72] ip6_route_add+0x1c/0x140 [ 4930.724365][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4930.724365][ T72] inet6_addr_add+0x4f8/0xa40 [ 4930.724365][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.724365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.724365][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.724365][ T72] netlink_unicast+0x449/0x710 [ 4930.724365][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.724365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.724365][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.724365][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.724365][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.724365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.724365][ T72] [ 4930.726616][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4930.726616][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.726616][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.726616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.726616][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4930.726616][ T72] ipv6_add_addr+0x411/0x2000 [ 4930.726616][ T72] inet6_addr_add+0x30e/0xa40 [ 4930.726616][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.726616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.726616][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.726616][ T72] netlink_unicast+0x449/0x710 [ 4930.726616][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.726616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.726616][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.726616][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.726616][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.726616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.726616][ T72] [ 4930.728928][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4930.728928][ T72] netdev_get_by_index+0x5e/0x80 [ 4930.728928][ T72] fib6_nh_init+0x3d8/0x1580 [ 4930.728928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4930.728928][ T72] ip6_route_add+0x1c/0x140 [ 4930.728928][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4930.728928][ T72] addrconf_add_dev+0xe2/0x170 [ 4930.728928][ T72] inet6_addr_add+0x12f/0xa40 [ 4930.728928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.728928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.728928][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.728928][ T72] netlink_unicast+0x449/0x710 [ 4930.728928][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.728928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.728928][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.728928][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.728928][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.728928][ T72] [ 4930.731134][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4930.731134][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4930.731134][ T72] ipv6_find_idev+0x102/0x170 [ 4930.731134][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.731134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.731134][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.731134][ T72] netlink_unicast+0x449/0x710 [ 4930.731134][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.731134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.731134][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.731134][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.731134][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.731134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.731134][ T72] [ 4930.732856][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4930.732856][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4930.732856][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4930.732856][ T72] ipv6_find_idev+0x102/0x170 [ 4930.732856][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.732856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.732856][ T72] netlink_rcv_skb+0x130/0x360 [ 4930.732856][ T72] netlink_unicast+0x449/0x710 [ 4930.732856][ T72] netlink_sendmsg+0x723/0xbe0 [ 4930.732856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4930.732856][ T72] ___sys_sendmsg+0xee/0x170 [ 4930.732856][ T72] __sys_sendmsg+0xcd/0x170 [ 4930.732856][ T72] do_syscall_64+0xc6/0x1e0 [ 4930.732856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.732856][ T72] [ 4940.976867][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4940.977319][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4940.977319][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4940.977319][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4940.977319][ T72] fib6_nh_init+0xa22/0x1580 [ 4940.977319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4940.977319][ T72] ip6_route_add+0x1c/0x140 [ 4940.977319][ T72] inet6_rtm_newroute+0x104/0x110 [ 4940.977319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.977319][ T72] netlink_rcv_skb+0x130/0x360 [ 4940.977319][ T72] netlink_unicast+0x449/0x710 [ 4940.977319][ T72] netlink_sendmsg+0x723/0xbe0 [ 4940.977319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4940.977319][ T72] ___sys_sendmsg+0xee/0x170 [ 4940.977319][ T72] __sys_sendmsg+0xcd/0x170 [ 4940.977319][ T72] do_syscall_64+0xc6/0x1e0 [ 4940.977319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.977319][ T72] [ 4940.979410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4940.979410][ T72] dst_init+0x84/0x4a0 [ 4940.979410][ T72] dst_alloc+0x97/0x150 [ 4940.979410][ T72] ip6_dst_alloc+0x23/0x90 [ 4940.979410][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4940.979410][ T72] ip6_pol_route+0x56f/0x840 [ 4940.979410][ T72] fib6_rule_lookup+0x456/0x630 [ 4940.979410][ T72] ip6_route_input+0x59c/0xa50 [ 4940.979410][ T72] ipv6_rcv+0x397/0x810 [ 4940.979410][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4940.979410][ T72] process_backlog+0x101/0x620 [ 4940.979410][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4940.979410][ T72] net_rx_action+0x495/0xbe0 [ 4940.979410][ T72] __do_softirq+0x1b5/0x7f6 [ 4940.979410][ T72] [ 4940.981227][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4940.981227][ T72] netdev_get_by_index+0x5e/0x80 [ 4940.981227][ T72] fib6_nh_init+0x3d8/0x1580 [ 4940.981227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4940.981227][ T72] ip6_route_add+0x1c/0x140 [ 4940.981227][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4940.981227][ T72] inet6_addr_add+0x4f8/0xa40 [ 4940.981227][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4940.981227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.981227][ T72] netlink_rcv_skb+0x130/0x360 [ 4940.981227][ T72] netlink_unicast+0x449/0x710 [ 4940.981227][ T72] netlink_sendmsg+0x723/0xbe0 [ 4940.981227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4940.981227][ T72] ___sys_sendmsg+0xee/0x170 [ 4940.981227][ T72] __sys_sendmsg+0xcd/0x170 [ 4940.981227][ T72] do_syscall_64+0xc6/0x1e0 [ 4940.981227][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.981227][ T72] [ 4940.983428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4940.983428][ T72] netdev_get_by_index+0x5e/0x80 [ 4940.983428][ T72] fib6_nh_init+0x3d8/0x1580 [ 4940.983428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4940.983428][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4940.983428][ T72] ipv6_add_addr+0x411/0x2000 [ 4940.983428][ T72] inet6_addr_add+0x30e/0xa40 [ 4940.983428][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4940.983428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.983428][ T72] netlink_rcv_skb+0x130/0x360 [ 4940.983428][ T72] netlink_unicast+0x449/0x710 [ 4940.983428][ T72] netlink_sendmsg+0x723/0xbe0 [ 4940.983428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4940.983428][ T72] ___sys_sendmsg+0xee/0x170 [ 4940.983428][ T72] __sys_sendmsg+0xcd/0x170 [ 4940.983428][ T72] do_syscall_64+0xc6/0x1e0 [ 4940.983428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.983428][ T72] [ 4940.985653][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4940.985653][ T72] netdev_get_by_index+0x5e/0x80 [ 4940.985653][ T72] fib6_nh_init+0x3d8/0x1580 [ 4940.985653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4940.985653][ T72] ip6_route_add+0x1c/0x140 [ 4940.985653][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4940.985653][ T72] addrconf_add_dev+0xe2/0x170 [ 4940.985653][ T72] inet6_addr_add+0x12f/0xa40 [ 4940.985653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4940.985653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.985653][ T72] netlink_rcv_skb+0x130/0x360 [ 4940.985653][ T72] netlink_unicast+0x449/0x710 [ 4940.985653][ T72] netlink_sendmsg+0x723/0xbe0 [ 4940.985653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4940.985653][ T72] ___sys_sendmsg+0xee/0x170 [ 4940.985653][ T72] __sys_sendmsg+0xcd/0x170 [ 4940.985653][ T72] do_syscall_64+0xc6/0x1e0 [ 4940.985653][ T72] [ 4940.987938][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4940.987938][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4940.987938][ T72] ipv6_find_idev+0x102/0x170 [ 4940.987938][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4940.987938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.987938][ T72] netlink_rcv_skb+0x130/0x360 [ 4940.987938][ T72] netlink_unicast+0x449/0x710 [ 4940.987938][ T72] netlink_sendmsg+0x723/0xbe0 [ 4940.987938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4940.987938][ T72] ___sys_sendmsg+0xee/0x170 [ 4940.987938][ T72] __sys_sendmsg+0xcd/0x170 [ 4940.987938][ T72] do_syscall_64+0xc6/0x1e0 [ 4940.987938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.987938][ T72] [ 4940.989627][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4940.989627][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4940.989627][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4940.989627][ T72] ipv6_find_idev+0x102/0x170 [ 4940.989627][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4940.989627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.989627][ T72] netlink_rcv_skb+0x130/0x360 [ 4940.989627][ T72] netlink_unicast+0x449/0x710 [ 4940.989627][ T72] netlink_sendmsg+0x723/0xbe0 [ 4940.989627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4940.989627][ T72] ___sys_sendmsg+0xee/0x170 [ 4940.989627][ T72] __sys_sendmsg+0xcd/0x170 [ 4940.989627][ T72] do_syscall_64+0xc6/0x1e0 [ 4940.989627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.989627][ T72] [ 4940.991487][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4940.991781][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4940.991781][ T72] dst_init+0x84/0x4a0 [ 4940.991781][ T72] dst_alloc+0x97/0x150 [ 4940.991781][ T72] ip6_dst_alloc+0x23/0x90 [ 4940.991781][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4940.991781][ T72] ip6_pol_route+0x56f/0x840 [ 4940.991781][ T72] fib6_rule_lookup+0x456/0x630 [ 4940.991781][ T72] ip6_route_input+0x59c/0xa50 [ 4940.991781][ T72] ipv6_rcv+0x397/0x810 [ 4940.991781][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4940.991781][ T72] process_backlog+0x101/0x620 [ 4940.991781][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4940.991781][ T72] net_rx_action+0x495/0xbe0 [ 4940.991781][ T72] __do_softirq+0x1b5/0x7f6 [ 4940.991781][ T72] [ 4940.993597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4940.993597][ T72] netdev_get_by_index+0x5e/0x80 [ 4940.993597][ T72] fib6_nh_init+0x3d8/0x1580 [ 4940.993597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4940.993597][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4940.993597][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4940.993597][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4940.993597][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4940.993597][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4940.993597][ T72] addrconf_dad_begin+0x310/0x670 [ 4940.993597][ T72] addrconf_dad_work+0x10b/0xab0 [ 4940.993597][ T72] process_one_work+0x84d/0x18a0 [ 4940.993597][ T72] worker_thread+0x587/0xd30 [ 4940.993597][ T72] kthread+0x28a/0x350 [ 4940.993597][ T72] ret_from_fork+0x31/0x70 [ 4940.993597][ T72] ret_from_fork_asm+0x1a/0x30 [ 4940.993597][ T72] [ 4940.995705][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4940.995705][ T72] netdev_get_by_index+0x5e/0x80 [ 4940.995705][ T72] fib6_nh_init+0x3d8/0x1580 [ 4940.995705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4940.995705][ T72] ip6_route_add+0x1c/0x140 [ 4940.995705][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4940.995705][ T72] inet6_addr_add+0x4f8/0xa40 [ 4940.995705][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4940.995705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.995705][ T72] netlink_rcv_skb+0x130/0x360 [ 4940.995705][ T72] netlink_unicast+0x449/0x710 [ 4940.995705][ T72] netlink_sendmsg+0x723/0xbe0 [ 4940.995705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4940.995705][ T72] ___sys_sendmsg+0xee/0x170 [ 4940.995705][ T72] __sys_sendmsg+0xcd/0x170 [ 4940.995705][ T72] do_syscall_64+0xc6/0x1e0 [ 4940.995705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.995705][ T72] [ 4940.997909][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4940.997909][ T72] netdev_get_by_index+0x5e/0x80 [ 4940.997909][ T72] fib6_nh_init+0x3d8/0x1580 [ 4940.997909][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4940.997909][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4940.997909][ T72] ipv6_add_addr+0x411/0x2000 [ 4940.997909][ T72] inet6_addr_add+0x30e/0xa40 [ 4940.997909][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4940.997909][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.997909][ T72] netlink_rcv_skb+0x130/0x360 [ 4940.997909][ T72] netlink_unicast+0x449/0x710 [ 4940.997909][ T72] netlink_sendmsg+0x723/0xbe0 [ 4940.997909][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4940.997909][ T72] ___sys_sendmsg+0xee/0x170 [ 4940.997909][ T72] __sys_sendmsg+0xcd/0x170 [ 4940.997909][ T72] do_syscall_64+0xc6/0x1e0 [ 4940.997909][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.997909][ T72] [ 4941.000111][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4941.000111][ T72] netdev_get_by_index+0x5e/0x80 [ 4941.000111][ T72] fib6_nh_init+0x3d8/0x1580 [ 4941.000111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.000111][ T72] ip6_route_add+0x1c/0x140 [ 4941.000111][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4941.000111][ T72] addrconf_add_dev+0xe2/0x170 [ 4941.000111][ T72] inet6_addr_add+0x12f/0xa40 [ 4941.000111][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.000111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.000111][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.000111][ T72] netlink_unicast+0x449/0x710 [ 4941.000111][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.000111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.000111][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.000111][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.000111][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.000111][ T72] [ 4941.002271][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4941.002271][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4941.002271][ T72] ipv6_find_idev+0x102/0x170 [ 4941.002271][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.002271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.002271][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.002271][ T72] netlink_unicast+0x449/0x710 [ 4941.002271][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.002271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.002271][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.002271][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.002271][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.002271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.002271][ T72] [ 4941.003964][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4941.003964][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4941.003964][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4941.003964][ T72] ipv6_find_idev+0x102/0x170 [ 4941.003964][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.003964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.003964][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.003964][ T72] netlink_unicast+0x449/0x710 [ 4941.003964][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.003964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.003964][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.003964][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.003964][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.003964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.003964][ T72] [ 4941.005920][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4941.006218][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4941.006218][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4941.006218][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4941.006218][ T72] fib6_nh_init+0xa22/0x1580 [ 4941.006218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.006218][ T72] ip6_route_add+0x1c/0x140 [ 4941.006218][ T72] inet6_rtm_newroute+0x104/0x110 [ 4941.006218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.006218][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.006218][ T72] netlink_unicast+0x449/0x710 [ 4941.006218][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.006218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.006218][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.006218][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.006218][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.006218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.006218][ T72] [ 4941.008431][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4941.008431][ T72] dst_init+0x84/0x4a0 [ 4941.008431][ T72] dst_alloc+0x97/0x150 [ 4941.008431][ T72] ip6_dst_alloc+0x23/0x90 [ 4941.008431][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4941.008431][ T72] ip6_pol_route+0x56f/0x840 [ 4941.008431][ T72] fib6_rule_lookup+0x456/0x630 [ 4941.008431][ T72] ip6_route_input+0x59c/0xa50 [ 4941.008431][ T72] ipv6_rcv+0x397/0x810 [ 4941.008431][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4941.008431][ T72] process_backlog+0x101/0x620 [ 4941.008431][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4941.008431][ T72] net_rx_action+0x495/0xbe0 [ 4941.008431][ T72] __do_softirq+0x1b5/0x7f6 [ 4941.008431][ T72] [ 4941.010365][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4941.010365][ T72] netdev_get_by_index+0x5e/0x80 [ 4941.010365][ T72] fib6_nh_init+0x3d8/0x1580 [ 4941.010365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.010365][ T72] ip6_route_add+0x1c/0x140 [ 4941.010365][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4941.010365][ T72] inet6_addr_add+0x4f8/0xa40 [ 4941.010365][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.010365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.010365][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.010365][ T72] netlink_unicast+0x449/0x710 [ 4941.010365][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.010365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.010365][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.010365][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.010365][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.010365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.010365][ T72] [ 4941.012727][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4941.012727][ T72] netdev_get_by_index+0x5e/0x80 [ 4941.012727][ T72] fib6_nh_init+0x3d8/0x1580 [ 4941.012727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.012727][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4941.012727][ T72] ipv6_add_addr+0x411/0x2000 [ 4941.012727][ T72] inet6_addr_add+0x30e/0xa40 [ 4941.012727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.012727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.012727][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.012727][ T72] netlink_unicast+0x449/0x710 [ 4941.012727][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.012727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.012727][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.012727][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.012727][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.012727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.012727][ T72] [ 4941.015093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4941.015093][ T72] netdev_get_by_index+0x5e/0x80 [ 4941.015093][ T72] fib6_nh_init+0x3d8/0x1580 [ 4941.015093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.015093][ T72] ip6_route_add+0x1c/0x140 [ 4941.015093][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4941.015093][ T72] addrconf_add_dev+0xe2/0x170 [ 4941.015093][ T72] inet6_addr_add+0x12f/0xa40 [ 4941.015093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.015093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.015093][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.015093][ T72] netlink_unicast+0x449/0x710 [ 4941.015093][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.015093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.015093][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.015093][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.015093][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.015093][ T72] [ 4941.017423][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4941.017423][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4941.017423][ T72] ipv6_find_idev+0x102/0x170 [ 4941.017423][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.017423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.017423][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.017423][ T72] netlink_unicast+0x449/0x710 [ 4941.017423][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.017423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.017423][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.017423][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.017423][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.017423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.017423][ T72] [ 4941.019176][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4941.019176][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4941.019176][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4941.019176][ T72] ipv6_find_idev+0x102/0x170 [ 4941.019176][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.019176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.019176][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.019176][ T72] netlink_unicast+0x449/0x710 [ 4941.019176][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.019176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.019176][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.019176][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.019176][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.019176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.019176][ T72] [ 4941.021172][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4941.021466][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4941.021466][ T72] netdev_get_by_index+0x5e/0x80 [ 4941.021466][ T72] fib6_nh_init+0x3d8/0x1580 [ 4941.021466][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.021466][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4941.021466][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4941.021466][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4941.021466][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4941.021466][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4941.021466][ T72] addrconf_dad_begin+0x310/0x670 [ 4941.021466][ T72] addrconf_dad_work+0x10b/0xab0 [ 4941.021466][ T72] process_one_work+0x84d/0x18a0 [ 4941.021466][ T72] worker_thread+0x587/0xd30 [ 4941.021466][ T72] kthread+0x28a/0x350 [ 4941.021466][ T72] ret_from_fork+0x31/0x70 [ 4941.021466][ T72] ret_from_fork_asm+0x1a/0x30 [ 4941.021466][ T72] [ 4941.023716][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4941.023716][ T72] netdev_get_by_index+0x5e/0x80 [ 4941.023716][ T72] fib6_nh_init+0x3d8/0x1580 [ 4941.023716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.023716][ T72] ip6_route_add+0x1c/0x140 [ 4941.023716][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4941.023716][ T72] inet6_addr_add+0x4f8/0xa40 [ 4941.023716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.023716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.023716][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.023716][ T72] netlink_unicast+0x449/0x710 [ 4941.023716][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.023716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.023716][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.023716][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.023716][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.023716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.023716][ T72] [ 4941.026077][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4941.026077][ T72] netdev_get_by_index+0x5e/0x80 [ 4941.026077][ T72] fib6_nh_init+0x3d8/0x1580 [ 4941.026077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.026077][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4941.026077][ T72] ipv6_add_addr+0x411/0x2000 [ 4941.026077][ T72] inet6_addr_add+0x30e/0xa40 [ 4941.026077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.026077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.026077][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.026077][ T72] netlink_unicast+0x449/0x710 [ 4941.026077][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.026077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.026077][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.026077][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.026077][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.026077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.026077][ T72] [ 4941.028423][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4941.028423][ T72] netdev_get_by_index+0x5e/0x80 [ 4941.028423][ T72] fib6_nh_init+0x3d8/0x1580 [ 4941.028423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4941.028423][ T72] ip6_route_add+0x1c/0x140 [ 4941.028423][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4941.028423][ T72] addrconf_add_dev+0xe2/0x170 [ 4941.028423][ T72] inet6_addr_add+0x12f/0xa40 [ 4941.028423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.028423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.028423][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.028423][ T72] netlink_unicast+0x449/0x710 [ 4941.028423][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.028423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.028423][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.028423][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.028423][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.028423][ T72] [ 4941.030653][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4941.030653][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4941.030653][ T72] ipv6_find_idev+0x102/0x170 [ 4941.030653][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.030653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.030653][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.030653][ T72] netlink_unicast+0x449/0x710 [ 4941.030653][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.030653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.030653][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.030653][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.030653][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.030653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.030653][ T72] [ 4941.032486][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4941.032486][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4941.032486][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4941.032486][ T72] ipv6_find_idev+0x102/0x170 [ 4941.032486][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.032486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.032486][ T72] netlink_rcv_skb+0x130/0x360 [ 4941.032486][ T72] netlink_unicast+0x449/0x710 [ 4941.032486][ T72] netlink_sendmsg+0x723/0xbe0 [ 4941.032486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4941.032486][ T72] ___sys_sendmsg+0xee/0x170 [ 4941.032486][ T72] __sys_sendmsg+0xcd/0x170 [ 4941.032486][ T72] do_syscall_64+0xc6/0x1e0 [ 4941.032486][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.032486][ T72] [ 4951.104912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4951.105420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4951.105420][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4951.105420][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4951.105420][ T72] fib6_nh_init+0xa22/0x1580 [ 4951.105420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.105420][ T72] ip6_route_add+0x1c/0x140 [ 4951.105420][ T72] inet6_rtm_newroute+0x104/0x110 [ 4951.105420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.105420][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.105420][ T72] netlink_unicast+0x449/0x710 [ 4951.105420][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.105420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.105420][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.105420][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.105420][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.105420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.105420][ T72] [ 4951.107520][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4951.107520][ T72] dst_init+0x84/0x4a0 [ 4951.107520][ T72] dst_alloc+0x97/0x150 [ 4951.107520][ T72] ip6_dst_alloc+0x23/0x90 [ 4951.107520][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4951.107520][ T72] ip6_pol_route+0x56f/0x840 [ 4951.107520][ T72] fib6_rule_lookup+0x456/0x630 [ 4951.107520][ T72] ip6_route_input+0x59c/0xa50 [ 4951.107520][ T72] ipv6_rcv+0x397/0x810 [ 4951.107520][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4951.107520][ T72] process_backlog+0x101/0x620 [ 4951.107520][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4951.107520][ T72] net_rx_action+0x495/0xbe0 [ 4951.107520][ T72] __do_softirq+0x1b5/0x7f6 [ 4951.107520][ T72] [ 4951.109330][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4951.109330][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.109330][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.109330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.109330][ T72] ip6_route_add+0x1c/0x140 [ 4951.109330][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4951.109330][ T72] inet6_addr_add+0x4f8/0xa40 [ 4951.109330][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.109330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.109330][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.109330][ T72] netlink_unicast+0x449/0x710 [ 4951.109330][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.109330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.109330][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.109330][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.109330][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.109330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.109330][ T72] [ 4951.111551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4951.111551][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.111551][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.111551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.111551][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4951.111551][ T72] ipv6_add_addr+0x411/0x2000 [ 4951.111551][ T72] inet6_addr_add+0x30e/0xa40 [ 4951.111551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.111551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.111551][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.111551][ T72] netlink_unicast+0x449/0x710 [ 4951.111551][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.111551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.111551][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.111551][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.111551][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.111551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.111551][ T72] [ 4951.114305][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4951.114305][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.114305][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.114305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.114305][ T72] ip6_route_add+0x1c/0x140 [ 4951.114305][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.114305][ T72] addrconf_add_dev+0xe2/0x170 [ 4951.114305][ T72] inet6_addr_add+0x12f/0xa40 [ 4951.114305][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.114305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.114305][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.114305][ T72] netlink_unicast+0x449/0x710 [ 4951.114305][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.114305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.114305][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.114305][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.114305][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.114305][ T72] [ 4951.116514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4951.116514][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4951.116514][ T72] ipv6_find_idev+0x102/0x170 [ 4951.116514][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.116514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.116514][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.116514][ T72] netlink_unicast+0x449/0x710 [ 4951.116514][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.116514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.116514][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.116514][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.116514][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.116514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.116514][ T72] [ 4951.118251][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4951.118251][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4951.118251][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4951.118251][ T72] ipv6_find_idev+0x102/0x170 [ 4951.118251][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.118251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.118251][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.118251][ T72] netlink_unicast+0x449/0x710 [ 4951.118251][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.118251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.118251][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.118251][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.118251][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.118251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.118251][ T72] [ 4951.120115][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4951.120417][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4951.120417][ T72] dst_init+0x84/0x4a0 [ 4951.120417][ T72] dst_alloc+0x97/0x150 [ 4951.120417][ T72] ip6_dst_alloc+0x23/0x90 [ 4951.120417][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4951.120417][ T72] ip6_pol_route+0x56f/0x840 [ 4951.120417][ T72] fib6_rule_lookup+0x456/0x630 [ 4951.120417][ T72] ip6_route_input+0x59c/0xa50 [ 4951.120417][ T72] ipv6_rcv+0x397/0x810 [ 4951.120417][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4951.120417][ T72] process_backlog+0x101/0x620 [ 4951.120417][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4951.120417][ T72] net_rx_action+0x495/0xbe0 [ 4951.120417][ T72] __do_softirq+0x1b5/0x7f6 [ 4951.120417][ T72] [ 4951.122237][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4951.122237][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.122237][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.122237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.122237][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4951.122237][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4951.122237][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4951.122237][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4951.122237][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4951.122237][ T72] addrconf_dad_begin+0x310/0x670 [ 4951.122237][ T72] addrconf_dad_work+0x10b/0xab0 [ 4951.122237][ T72] process_one_work+0x84d/0x18a0 [ 4951.122237][ T72] worker_thread+0x587/0xd30 [ 4951.122237][ T72] kthread+0x28a/0x350 [ 4951.122237][ T72] ret_from_fork+0x31/0x70 [ 4951.122237][ T72] ret_from_fork_asm+0x1a/0x30 [ 4951.122237][ T72] [ 4951.124348][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4951.124348][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.124348][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.124348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.124348][ T72] ip6_route_add+0x1c/0x140 [ 4951.124348][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4951.124348][ T72] inet6_addr_add+0x4f8/0xa40 [ 4951.124348][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.124348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.124348][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.124348][ T72] netlink_unicast+0x449/0x710 [ 4951.124348][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.124348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.124348][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.124348][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.124348][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.124348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.124348][ T72] [ 4951.126566][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4951.126566][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.126566][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.126566][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.126566][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4951.126566][ T72] ipv6_add_addr+0x411/0x2000 [ 4951.126566][ T72] inet6_addr_add+0x30e/0xa40 [ 4951.126566][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.126566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.126566][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.126566][ T72] netlink_unicast+0x449/0x710 [ 4951.126566][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.126566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.126566][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.126566][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.126566][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.126566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.126566][ T72] [ 4951.128772][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4951.128772][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.128772][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.128772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.128772][ T72] ip6_route_add+0x1c/0x140 [ 4951.128772][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.128772][ T72] addrconf_add_dev+0xe2/0x170 [ 4951.128772][ T72] inet6_addr_add+0x12f/0xa40 [ 4951.128772][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.128772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.128772][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.128772][ T72] netlink_unicast+0x449/0x710 [ 4951.128772][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.128772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.128772][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.128772][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.128772][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.128772][ T72] [ 4951.130937][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4951.130937][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4951.130937][ T72] ipv6_find_idev+0x102/0x170 [ 4951.130937][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.130937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.130937][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.130937][ T72] netlink_unicast+0x449/0x710 [ 4951.130937][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.130937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.130937][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.130937][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.130937][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.130937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.130937][ T72] [ 4951.132632][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4951.132632][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4951.132632][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4951.132632][ T72] ipv6_find_idev+0x102/0x170 [ 4951.132632][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.132632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.132632][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.132632][ T72] netlink_unicast+0x449/0x710 [ 4951.132632][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.132632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.132632][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.132632][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.132632][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.132632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.132632][ T72] [ 4951.134599][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4951.134920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4951.134920][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4951.134920][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4951.134920][ T72] fib6_nh_init+0xa22/0x1580 [ 4951.134920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.134920][ T72] ip6_route_add+0x1c/0x140 [ 4951.134920][ T72] inet6_rtm_newroute+0x104/0x110 [ 4951.134920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.134920][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.134920][ T72] netlink_unicast+0x449/0x710 [ 4951.134920][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.134920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.134920][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.134920][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.134920][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.134920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.134920][ T72] [ 4951.137123][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4951.137123][ T72] dst_init+0x84/0x4a0 [ 4951.137123][ T72] dst_alloc+0x97/0x150 [ 4951.137123][ T72] ip6_dst_alloc+0x23/0x90 [ 4951.137123][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4951.137123][ T72] ip6_pol_route+0x56f/0x840 [ 4951.137123][ T72] fib6_rule_lookup+0x456/0x630 [ 4951.137123][ T72] ip6_route_input+0x59c/0xa50 [ 4951.137123][ T72] ipv6_rcv+0x397/0x810 [ 4951.137123][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4951.137123][ T72] process_backlog+0x101/0x620 [ 4951.137123][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4951.137123][ T72] net_rx_action+0x495/0xbe0 [ 4951.137123][ T72] __do_softirq+0x1b5/0x7f6 [ 4951.137123][ T72] [ 4951.139395][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4951.139395][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.139395][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.139395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.139395][ T72] ip6_route_add+0x1c/0x140 [ 4951.139395][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4951.139395][ T72] inet6_addr_add+0x4f8/0xa40 [ 4951.139395][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.139395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.139395][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.139395][ T72] netlink_unicast+0x449/0x710 [ 4951.139395][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.139395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.139395][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.139395][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.139395][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.139395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.139395][ T72] [ 4951.141801][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4951.141801][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.141801][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.141801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.141801][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4951.141801][ T72] ipv6_add_addr+0x411/0x2000 [ 4951.141801][ T72] inet6_addr_add+0x30e/0xa40 [ 4951.141801][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.141801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.141801][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.141801][ T72] netlink_unicast+0x449/0x710 [ 4951.141801][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.141801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.141801][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.141801][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.141801][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.141801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.141801][ T72] [ 4951.144136][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4951.144136][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.144136][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.144136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.144136][ T72] ip6_route_add+0x1c/0x140 [ 4951.144136][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.144136][ T72] addrconf_add_dev+0xe2/0x170 [ 4951.144136][ T72] inet6_addr_add+0x12f/0xa40 [ 4951.144136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.144136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.144136][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.144136][ T72] netlink_unicast+0x449/0x710 [ 4951.144136][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.144136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.144136][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.144136][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.144136][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.144136][ T72] [ 4951.146441][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4951.146441][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4951.146441][ T72] ipv6_find_idev+0x102/0x170 [ 4951.146441][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.146441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.146441][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.146441][ T72] netlink_unicast+0x449/0x710 [ 4951.146441][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.146441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.146441][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.146441][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.146441][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.146441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.146441][ T72] [ 4951.148270][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4951.148270][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4951.148270][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4951.148270][ T72] ipv6_find_idev+0x102/0x170 [ 4951.148270][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.148270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.148270][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.148270][ T72] netlink_unicast+0x449/0x710 [ 4951.148270][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.148270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.148270][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.148270][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.148270][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.148270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.148270][ T72] [ 4951.150188][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4951.150486][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4951.150486][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.150486][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.150486][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.150486][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4951.150486][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4951.150486][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4951.150486][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4951.150486][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4951.150486][ T72] addrconf_dad_begin+0x310/0x670 [ 4951.150486][ T72] addrconf_dad_work+0x10b/0xab0 [ 4951.150486][ T72] process_one_work+0x84d/0x18a0 [ 4951.150486][ T72] worker_thread+0x587/0xd30 [ 4951.150486][ T72] kthread+0x28a/0x350 [ 4951.150486][ T72] ret_from_fork+0x31/0x70 [ 4951.150486][ T72] ret_from_fork_asm+0x1a/0x30 [ 4951.150486][ T72] [ 4951.152784][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4951.152784][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.152784][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.152784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.152784][ T72] ip6_route_add+0x1c/0x140 [ 4951.152784][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4951.152784][ T72] inet6_addr_add+0x4f8/0xa40 [ 4951.152784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.152784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.152784][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.152784][ T72] netlink_unicast+0x449/0x710 [ 4951.152784][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.152784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.152784][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.152784][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.152784][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.152784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.152784][ T72] [ 4951.155120][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4951.155120][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.155120][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.155120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.155120][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4951.155120][ T72] ipv6_add_addr+0x411/0x2000 [ 4951.155120][ T72] inet6_addr_add+0x30e/0xa40 [ 4951.155120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.155120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.155120][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.155120][ T72] netlink_unicast+0x449/0x710 [ 4951.155120][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.155120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.155120][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.155120][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.155120][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.155120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.155120][ T72] [ 4951.157451][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4951.157451][ T72] netdev_get_by_index+0x5e/0x80 [ 4951.157451][ T72] fib6_nh_init+0x3d8/0x1580 [ 4951.157451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4951.157451][ T72] ip6_route_add+0x1c/0x140 [ 4951.157451][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.157451][ T72] addrconf_add_dev+0xe2/0x170 [ 4951.157451][ T72] inet6_addr_add+0x12f/0xa40 [ 4951.157451][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.157451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.157451][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.157451][ T72] netlink_unicast+0x449/0x710 [ 4951.157451][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.157451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.157451][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.157451][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.157451][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.157451][ T72] [ 4951.159749][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4951.159749][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4951.159749][ T72] ipv6_find_idev+0x102/0x170 [ 4951.159749][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.159749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.159749][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.159749][ T72] netlink_unicast+0x449/0x710 [ 4951.159749][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.159749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.159749][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.159749][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.159749][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.159749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.159749][ T72] [ 4951.161558][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4951.161558][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4951.161558][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4951.161558][ T72] ipv6_find_idev+0x102/0x170 [ 4951.161558][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.161558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.161558][ T72] netlink_rcv_skb+0x130/0x360 [ 4951.161558][ T72] netlink_unicast+0x449/0x710 [ 4951.161558][ T72] netlink_sendmsg+0x723/0xbe0 [ 4951.161558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4951.161558][ T72] ___sys_sendmsg+0xee/0x170 [ 4951.161558][ T72] __sys_sendmsg+0xcd/0x170 [ 4951.161558][ T72] do_syscall_64+0xc6/0x1e0 [ 4951.161558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.161558][ T72] [ 4961.360918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4961.361413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4961.361413][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4961.361413][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4961.361413][ T72] fib6_nh_init+0xa22/0x1580 [ 4961.361413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.361413][ T72] ip6_route_add+0x1c/0x140 [ 4961.361413][ T72] inet6_rtm_newroute+0x104/0x110 [ 4961.361413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.361413][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.361413][ T72] netlink_unicast+0x449/0x710 [ 4961.361413][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.361413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.361413][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.361413][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.361413][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.361413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.361413][ T72] [ 4961.363515][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4961.363515][ T72] dst_init+0x84/0x4a0 [ 4961.363515][ T72] dst_alloc+0x97/0x150 [ 4961.363515][ T72] ip6_dst_alloc+0x23/0x90 [ 4961.363515][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4961.363515][ T72] ip6_pol_route+0x56f/0x840 [ 4961.363515][ T72] fib6_rule_lookup+0x456/0x630 [ 4961.363515][ T72] ip6_route_input+0x59c/0xa50 [ 4961.363515][ T72] ipv6_rcv+0x397/0x810 [ 4961.363515][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4961.363515][ T72] process_backlog+0x101/0x620 [ 4961.363515][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4961.363515][ T72] net_rx_action+0x495/0xbe0 [ 4961.363515][ T72] __do_softirq+0x1b5/0x7f6 [ 4961.363515][ T72] [ 4961.365389][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4961.365389][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.365389][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.365389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.365389][ T72] ip6_route_add+0x1c/0x140 [ 4961.365389][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4961.365389][ T72] inet6_addr_add+0x4f8/0xa40 [ 4961.365389][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.365389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.365389][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.365389][ T72] netlink_unicast+0x449/0x710 [ 4961.365389][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.365389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.365389][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.365389][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.365389][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.365389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.365389][ T72] [ 4961.367575][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4961.367575][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.367575][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.367575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.367575][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4961.367575][ T72] ipv6_add_addr+0x411/0x2000 [ 4961.367575][ T72] inet6_addr_add+0x30e/0xa40 [ 4961.367575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.367575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.367575][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.367575][ T72] netlink_unicast+0x449/0x710 [ 4961.367575][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.367575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.367575][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.367575][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.367575][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.367575][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.367575][ T72] [ 4961.369772][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4961.369772][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.369772][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.369772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.369772][ T72] ip6_route_add+0x1c/0x140 [ 4961.369772][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4961.369772][ T72] addrconf_add_dev+0xe2/0x170 [ 4961.369772][ T72] inet6_addr_add+0x12f/0xa40 [ 4961.369772][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.369772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.369772][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.369772][ T72] netlink_unicast+0x449/0x710 [ 4961.369772][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.369772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.369772][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.369772][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.369772][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.369772][ T72] [ 4961.371926][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4961.371926][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4961.371926][ T72] ipv6_find_idev+0x102/0x170 [ 4961.371926][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.371926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.371926][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.371926][ T72] netlink_unicast+0x449/0x710 [ 4961.371926][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.371926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.371926][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.371926][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.371926][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.371926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.371926][ T72] [ 4961.373621][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4961.373621][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4961.373621][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4961.373621][ T72] ipv6_find_idev+0x102/0x170 [ 4961.373621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.373621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.373621][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.373621][ T72] netlink_unicast+0x449/0x710 [ 4961.373621][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.373621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.373621][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.373621][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.373621][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.373621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.373621][ T72] [ 4961.375476][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4961.375768][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4961.375768][ T72] dst_init+0x84/0x4a0 [ 4961.375768][ T72] dst_alloc+0x97/0x150 [ 4961.375768][ T72] ip6_dst_alloc+0x23/0x90 [ 4961.375768][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4961.375768][ T72] ip6_pol_route+0x56f/0x840 [ 4961.375768][ T72] fib6_rule_lookup+0x456/0x630 [ 4961.375768][ T72] ip6_route_input+0x59c/0xa50 [ 4961.375768][ T72] ipv6_rcv+0x397/0x810 [ 4961.375768][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4961.375768][ T72] process_backlog+0x101/0x620 [ 4961.375768][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4961.375768][ T72] net_rx_action+0x495/0xbe0 [ 4961.375768][ T72] __do_softirq+0x1b5/0x7f6 [ 4961.375768][ T72] [ 4961.377597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4961.377597][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.377597][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.377597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.377597][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4961.377597][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4961.377597][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4961.377597][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4961.377597][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4961.377597][ T72] addrconf_dad_begin+0x310/0x670 [ 4961.377597][ T72] addrconf_dad_work+0x10b/0xab0 [ 4961.377597][ T72] process_one_work+0x84d/0x18a0 [ 4961.377597][ T72] worker_thread+0x587/0xd30 [ 4961.377597][ T72] kthread+0x28a/0x350 [ 4961.377597][ T72] ret_from_fork+0x31/0x70 [ 4961.377597][ T72] ret_from_fork_asm+0x1a/0x30 [ 4961.377597][ T72] [ 4961.379703][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4961.379703][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.379703][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.379703][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.379703][ T72] ip6_route_add+0x1c/0x140 [ 4961.379703][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4961.379703][ T72] inet6_addr_add+0x4f8/0xa40 [ 4961.379703][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.379703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.379703][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.379703][ T72] netlink_unicast+0x449/0x710 [ 4961.379703][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.379703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.379703][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.379703][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.379703][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.379703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.379703][ T72] [ 4961.381905][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4961.381905][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.381905][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.381905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.381905][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4961.381905][ T72] ipv6_add_addr+0x411/0x2000 [ 4961.381905][ T72] inet6_addr_add+0x30e/0xa40 [ 4961.381905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.381905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.381905][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.381905][ T72] netlink_unicast+0x449/0x710 [ 4961.381905][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.381905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.381905][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.381905][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.381905][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.381905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.381905][ T72] [ 4961.384112][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4961.384112][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.384112][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.384112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.384112][ T72] ip6_route_add+0x1c/0x140 [ 4961.384112][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4961.384112][ T72] addrconf_add_dev+0xe2/0x170 [ 4961.384112][ T72] inet6_addr_add+0x12f/0xa40 [ 4961.384112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.384112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.384112][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.384112][ T72] netlink_unicast+0x449/0x710 [ 4961.384112][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.384112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.384112][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.384112][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.384112][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.384112][ T72] [ 4961.386272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4961.386272][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4961.386272][ T72] ipv6_find_idev+0x102/0x170 [ 4961.386272][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.386272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.386272][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.386272][ T72] netlink_unicast+0x449/0x710 [ 4961.386272][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.386272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.386272][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.386272][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.386272][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.386272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.386272][ T72] [ 4961.387962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4961.387962][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4961.387962][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4961.387962][ T72] ipv6_find_idev+0x102/0x170 [ 4961.387962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.387962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.387962][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.387962][ T72] netlink_unicast+0x449/0x710 [ 4961.387962][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.387962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.387962][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.387962][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.387962][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.387962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.387962][ T72] [ 4961.389887][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4961.390240][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4961.390240][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4961.390240][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4961.390240][ T72] fib6_nh_init+0xa22/0x1580 [ 4961.390240][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.390240][ T72] ip6_route_add+0x1c/0x140 [ 4961.390240][ T72] inet6_rtm_newroute+0x104/0x110 [ 4961.390240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.390240][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.390240][ T72] netlink_unicast+0x449/0x710 [ 4961.390240][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.390240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.390240][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.390240][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.390240][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.390240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.390240][ T72] [ 4961.392556][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4961.392556][ T72] dst_init+0x84/0x4a0 [ 4961.392556][ T72] dst_alloc+0x97/0x150 [ 4961.392556][ T72] ip6_dst_alloc+0x23/0x90 [ 4961.392556][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4961.392556][ T72] ip6_pol_route+0x56f/0x840 [ 4961.392556][ T72] fib6_rule_lookup+0x456/0x630 [ 4961.392556][ T72] ip6_route_input+0x59c/0xa50 [ 4961.392556][ T72] ipv6_rcv+0x397/0x810 [ 4961.392556][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4961.392556][ T72] process_backlog+0x101/0x620 [ 4961.392556][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4961.392556][ T72] net_rx_action+0x495/0xbe0 [ 4961.392556][ T72] __do_softirq+0x1b5/0x7f6 [ 4961.392556][ T72] [ 4961.394531][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4961.394531][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.394531][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.394531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.394531][ T72] ip6_route_add+0x1c/0x140 [ 4961.394531][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4961.394531][ T72] inet6_addr_add+0x4f8/0xa40 [ 4961.394531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.394531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.394531][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.394531][ T72] netlink_unicast+0x449/0x710 [ 4961.394531][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.394531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.394531][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.394531][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.394531][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.394531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.394531][ T72] [ 4961.396983][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4961.396983][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.396983][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.396983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.396983][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4961.396983][ T72] ipv6_add_addr+0x411/0x2000 [ 4961.396983][ T72] inet6_addr_add+0x30e/0xa40 [ 4961.396983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.396983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.396983][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.396983][ T72] netlink_unicast+0x449/0x710 [ 4961.396983][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.396983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.396983][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.396983][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.396983][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.396983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.396983][ T72] [ 4961.399384][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4961.399384][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.399384][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.399384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.399384][ T72] ip6_route_add+0x1c/0x140 [ 4961.399384][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4961.399384][ T72] addrconf_add_dev+0xe2/0x170 [ 4961.399384][ T72] inet6_addr_add+0x12f/0xa40 [ 4961.399384][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.399384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.399384][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.399384][ T72] netlink_unicast+0x449/0x710 [ 4961.399384][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.399384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.399384][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.399384][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.399384][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.399384][ T72] [ 4961.401862][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4961.401862][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4961.401862][ T72] ipv6_find_idev+0x102/0x170 [ 4961.401862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.401862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.401862][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.401862][ T72] netlink_unicast+0x449/0x710 [ 4961.401862][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.401862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.401862][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.401862][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.401862][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.401862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.401862][ T72] [ 4961.403745][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4961.403745][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4961.403745][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4961.403745][ T72] ipv6_find_idev+0x102/0x170 [ 4961.403745][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.403745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.403745][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.403745][ T72] netlink_unicast+0x449/0x710 [ 4961.403745][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.403745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.403745][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.403745][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.403745][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.403745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.403745][ T72] [ 4961.405827][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4961.406124][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4961.406124][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.406124][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.406124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.406124][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4961.406124][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4961.406124][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4961.406124][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4961.406124][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4961.406124][ T72] addrconf_dad_begin+0x310/0x670 [ 4961.406124][ T72] addrconf_dad_work+0x10b/0xab0 [ 4961.406124][ T72] process_one_work+0x84d/0x18a0 [ 4961.406124][ T72] worker_thread+0x587/0xd30 [ 4961.406124][ T72] kthread+0x28a/0x350 [ 4961.406124][ T72] ret_from_fork+0x31/0x70 [ 4961.406124][ T72] ret_from_fork_asm+0x1a/0x30 [ 4961.406124][ T72] [ 4961.408475][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4961.408475][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.408475][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.408475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.408475][ T72] ip6_route_add+0x1c/0x140 [ 4961.408475][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4961.408475][ T72] inet6_addr_add+0x4f8/0xa40 [ 4961.408475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.408475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.408475][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.408475][ T72] netlink_unicast+0x449/0x710 [ 4961.408475][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.408475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.408475][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.408475][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.408475][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.408475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.408475][ T72] [ 4961.410934][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4961.410934][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.410934][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.410934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.410934][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4961.410934][ T72] ipv6_add_addr+0x411/0x2000 [ 4961.410934][ T72] inet6_addr_add+0x30e/0xa40 [ 4961.410934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.410934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.410934][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.410934][ T72] netlink_unicast+0x449/0x710 [ 4961.410934][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.410934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.410934][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.410934][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.410934][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.410934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.410934][ T72] [ 4961.413446][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4961.413446][ T72] netdev_get_by_index+0x5e/0x80 [ 4961.413446][ T72] fib6_nh_init+0x3d8/0x1580 [ 4961.413446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4961.413446][ T72] ip6_route_add+0x1c/0x140 [ 4961.413446][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4961.413446][ T72] addrconf_add_dev+0xe2/0x170 [ 4961.413446][ T72] inet6_addr_add+0x12f/0xa40 [ 4961.413446][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.413446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.413446][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.413446][ T72] netlink_unicast+0x449/0x710 [ 4961.413446][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.413446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.413446][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.413446][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.413446][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.413446][ T72] [ 4961.415814][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4961.415814][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4961.415814][ T72] ipv6_find_idev+0x102/0x170 [ 4961.415814][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.415814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.415814][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.415814][ T72] netlink_unicast+0x449/0x710 [ 4961.415814][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.415814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.415814][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.415814][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.415814][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.415814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.415814][ T72] [ 4961.417689][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4961.417689][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4961.417689][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4961.417689][ T72] ipv6_find_idev+0x102/0x170 [ 4961.417689][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.417689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.417689][ T72] netlink_rcv_skb+0x130/0x360 [ 4961.417689][ T72] netlink_unicast+0x449/0x710 [ 4961.417689][ T72] netlink_sendmsg+0x723/0xbe0 [ 4961.417689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4961.417689][ T72] ___sys_sendmsg+0xee/0x170 [ 4961.417689][ T72] __sys_sendmsg+0xcd/0x170 [ 4961.417689][ T72] do_syscall_64+0xc6/0x1e0 [ 4961.417689][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.417689][ T72] [ 4971.672972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4971.673483][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4971.673483][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4971.673483][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4971.673483][ T72] fib6_nh_init+0xa22/0x1580 [ 4971.673483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.673483][ T72] ip6_route_add+0x1c/0x140 [ 4971.673483][ T72] inet6_rtm_newroute+0x104/0x110 [ 4971.673483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.673483][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.673483][ T72] netlink_unicast+0x449/0x710 [ 4971.673483][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.673483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.673483][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.673483][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.673483][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.673483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.673483][ T72] [ 4971.675596][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4971.675596][ T72] dst_init+0x84/0x4a0 [ 4971.675596][ T72] dst_alloc+0x97/0x150 [ 4971.675596][ T72] ip6_dst_alloc+0x23/0x90 [ 4971.675596][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4971.675596][ T72] ip6_pol_route+0x56f/0x840 [ 4971.675596][ T72] fib6_rule_lookup+0x456/0x630 [ 4971.675596][ T72] ip6_route_input+0x59c/0xa50 [ 4971.675596][ T72] ipv6_rcv+0x397/0x810 [ 4971.675596][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4971.675596][ T72] process_backlog+0x101/0x620 [ 4971.675596][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4971.675596][ T72] net_rx_action+0x495/0xbe0 [ 4971.675596][ T72] __do_softirq+0x1b5/0x7f6 [ 4971.675596][ T72] [ 4971.677489][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4971.677489][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.677489][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.677489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.677489][ T72] ip6_route_add+0x1c/0x140 [ 4971.677489][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4971.677489][ T72] inet6_addr_add+0x4f8/0xa40 [ 4971.677489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.677489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.677489][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.677489][ T72] netlink_unicast+0x449/0x710 [ 4971.677489][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.677489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.677489][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.677489][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.677489][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.677489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.677489][ T72] [ 4971.679704][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4971.679704][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.679704][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.679704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.679704][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4971.679704][ T72] ipv6_add_addr+0x411/0x2000 [ 4971.679704][ T72] inet6_addr_add+0x30e/0xa40 [ 4971.679704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.679704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.679704][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.679704][ T72] netlink_unicast+0x449/0x710 [ 4971.679704][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.679704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.679704][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.679704][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.679704][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.679704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.679704][ T72] [ 4971.682020][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4971.682020][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.682020][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.682020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.682020][ T72] ip6_route_add+0x1c/0x140 [ 4971.682020][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4971.682020][ T72] addrconf_add_dev+0xe2/0x170 [ 4971.682020][ T72] inet6_addr_add+0x12f/0xa40 [ 4971.682020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.682020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.682020][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.682020][ T72] netlink_unicast+0x449/0x710 [ 4971.682020][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.682020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.682020][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.682020][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.682020][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.682020][ T72] [ 4971.684197][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4971.684197][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4971.684197][ T72] ipv6_find_idev+0x102/0x170 [ 4971.684197][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.684197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.684197][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.684197][ T72] netlink_unicast+0x449/0x710 [ 4971.684197][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.684197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.684197][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.684197][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.684197][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.684197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.684197][ T72] [ 4971.686449][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4971.686449][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4971.686449][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4971.686449][ T72] ipv6_find_idev+0x102/0x170 [ 4971.686449][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.686449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.686449][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.686449][ T72] netlink_unicast+0x449/0x710 [ 4971.686449][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.686449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.686449][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.686449][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.686449][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.686449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.686449][ T72] [ 4971.688313][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4971.688612][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4971.688612][ T72] dst_init+0x84/0x4a0 [ 4971.688612][ T72] dst_alloc+0x97/0x150 [ 4971.688612][ T72] ip6_dst_alloc+0x23/0x90 [ 4971.688612][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4971.688612][ T72] ip6_pol_route+0x56f/0x840 [ 4971.688612][ T72] fib6_rule_lookup+0x456/0x630 [ 4971.688612][ T72] ip6_route_input+0x59c/0xa50 [ 4971.688612][ T72] ipv6_rcv+0x397/0x810 [ 4971.688612][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4971.688612][ T72] process_backlog+0x101/0x620 [ 4971.688612][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4971.688612][ T72] net_rx_action+0x495/0xbe0 [ 4971.688612][ T72] __do_softirq+0x1b5/0x7f6 [ 4971.688612][ T72] [ 4971.690466][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4971.690466][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.690466][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.690466][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.690466][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4971.690466][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4971.690466][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4971.690466][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4971.690466][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4971.690466][ T72] addrconf_dad_begin+0x310/0x670 [ 4971.690466][ T72] addrconf_dad_work+0x10b/0xab0 [ 4971.690466][ T72] process_one_work+0x84d/0x18a0 [ 4971.690466][ T72] worker_thread+0x587/0xd30 [ 4971.690466][ T72] kthread+0x28a/0x350 [ 4971.690466][ T72] ret_from_fork+0x31/0x70 [ 4971.690466][ T72] ret_from_fork_asm+0x1a/0x30 [ 4971.690466][ T72] [ 4971.692627][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4971.692627][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.692627][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.692627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.692627][ T72] ip6_route_add+0x1c/0x140 [ 4971.692627][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4971.692627][ T72] inet6_addr_add+0x4f8/0xa40 [ 4971.692627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.692627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.692627][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.692627][ T72] netlink_unicast+0x449/0x710 [ 4971.692627][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.692627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.692627][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.692627][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.692627][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.692627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.692627][ T72] [ 4971.694836][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4971.694836][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.694836][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.694836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.694836][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4971.694836][ T72] ipv6_add_addr+0x411/0x2000 [ 4971.694836][ T72] inet6_addr_add+0x30e/0xa40 [ 4971.694836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.694836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.694836][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.694836][ T72] netlink_unicast+0x449/0x710 [ 4971.694836][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.694836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.694836][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.694836][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.694836][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.694836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.694836][ T72] [ 4971.697716][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4971.697716][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.697716][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.697716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.697716][ T72] ip6_route_add+0x1c/0x140 [ 4971.697716][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4971.697716][ T72] addrconf_add_dev+0xe2/0x170 [ 4971.697716][ T72] inet6_addr_add+0x12f/0xa40 [ 4971.697716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.697716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.697716][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.697716][ T72] netlink_unicast+0x449/0x710 [ 4971.697716][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.697716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.697716][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.697716][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.697716][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.697716][ T72] [ 4971.699887][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4971.699887][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4971.699887][ T72] ipv6_find_idev+0x102/0x170 [ 4971.699887][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.699887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.699887][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.699887][ T72] netlink_unicast+0x449/0x710 [ 4971.699887][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.699887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.699887][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.699887][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.699887][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.699887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.699887][ T72] [ 4971.701596][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4971.701596][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4971.701596][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4971.701596][ T72] ipv6_find_idev+0x102/0x170 [ 4971.701596][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.701596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.701596][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.701596][ T72] netlink_unicast+0x449/0x710 [ 4971.701596][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.701596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.701596][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.701596][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.701596][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.701596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.701596][ T72] [ 4971.703531][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4971.703900][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4971.703900][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4971.703900][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4971.703900][ T72] fib6_nh_init+0xa22/0x1580 [ 4971.703900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.703900][ T72] ip6_route_add+0x1c/0x140 [ 4971.703900][ T72] inet6_rtm_newroute+0x104/0x110 [ 4971.703900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.703900][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.703900][ T72] netlink_unicast+0x449/0x710 [ 4971.703900][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.703900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.703900][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.703900][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.703900][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.703900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.703900][ T72] [ 4971.706233][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4971.706233][ T72] dst_init+0x84/0x4a0 [ 4971.706233][ T72] dst_alloc+0x97/0x150 [ 4971.706233][ T72] ip6_dst_alloc+0x23/0x90 [ 4971.706233][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4971.706233][ T72] ip6_pol_route+0x56f/0x840 [ 4971.706233][ T72] fib6_rule_lookup+0x456/0x630 [ 4971.706233][ T72] ip6_route_input+0x59c/0xa50 [ 4971.706233][ T72] ipv6_rcv+0x397/0x810 [ 4971.706233][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4971.706233][ T72] process_backlog+0x101/0x620 [ 4971.706233][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4971.706233][ T72] net_rx_action+0x495/0xbe0 [ 4971.706233][ T72] __do_softirq+0x1b5/0x7f6 [ 4971.706233][ T72] [ 4971.708218][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4971.708218][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.708218][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.708218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.708218][ T72] ip6_route_add+0x1c/0x140 [ 4971.708218][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4971.708218][ T72] inet6_addr_add+0x4f8/0xa40 [ 4971.708218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.708218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.708218][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.708218][ T72] netlink_unicast+0x449/0x710 [ 4971.708218][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.708218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.708218][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.708218][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.708218][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.708218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.708218][ T72] [ 4971.710658][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4971.710658][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.710658][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.710658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.710658][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4971.710658][ T72] ipv6_add_addr+0x411/0x2000 [ 4971.710658][ T72] inet6_addr_add+0x30e/0xa40 [ 4971.710658][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.710658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.710658][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.710658][ T72] netlink_unicast+0x449/0x710 [ 4971.710658][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.710658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.710658][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.710658][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.710658][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.710658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.710658][ T72] [ 4971.713102][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4971.713102][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.713102][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.713102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.713102][ T72] ip6_route_add+0x1c/0x140 [ 4971.713102][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4971.713102][ T72] addrconf_add_dev+0xe2/0x170 [ 4971.713102][ T72] inet6_addr_add+0x12f/0xa40 [ 4971.713102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.713102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.713102][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.713102][ T72] netlink_unicast+0x449/0x710 [ 4971.713102][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.713102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.713102][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.713102][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.713102][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.713102][ T72] [ 4971.715569][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4971.715569][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4971.715569][ T72] ipv6_find_idev+0x102/0x170 [ 4971.715569][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.715569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.715569][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.715569][ T72] netlink_unicast+0x449/0x710 [ 4971.715569][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.715569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.715569][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.715569][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.715569][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.715569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.715569][ T72] [ 4971.717461][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4971.717461][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4971.717461][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4971.717461][ T72] ipv6_find_idev+0x102/0x170 [ 4971.717461][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.717461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.717461][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.717461][ T72] netlink_unicast+0x449/0x710 [ 4971.717461][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.717461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.717461][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.717461][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.717461][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.717461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.717461][ T72] [ 4971.719498][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4971.719802][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4971.719802][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.719802][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.719802][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.719802][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4971.719802][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4971.719802][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4971.719802][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4971.719802][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4971.719802][ T72] addrconf_dad_begin+0x310/0x670 [ 4971.719802][ T72] addrconf_dad_work+0x10b/0xab0 [ 4971.719802][ T72] process_one_work+0x84d/0x18a0 [ 4971.719802][ T72] worker_thread+0x587/0xd30 [ 4971.719802][ T72] kthread+0x28a/0x350 [ 4971.719802][ T72] ret_from_fork+0x31/0x70 [ 4971.719802][ T72] ret_from_fork_asm+0x1a/0x30 [ 4971.719802][ T72] [ 4971.722148][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4971.722148][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.722148][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.722148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.722148][ T72] ip6_route_add+0x1c/0x140 [ 4971.722148][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4971.722148][ T72] inet6_addr_add+0x4f8/0xa40 [ 4971.722148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.722148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.722148][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.722148][ T72] netlink_unicast+0x449/0x710 [ 4971.722148][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.722148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.722148][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.722148][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.722148][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.722148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.722148][ T72] [ 4971.724577][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4971.724577][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.724577][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.724577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.724577][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4971.724577][ T72] ipv6_add_addr+0x411/0x2000 [ 4971.724577][ T72] inet6_addr_add+0x30e/0xa40 [ 4971.724577][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.724577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.724577][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.724577][ T72] netlink_unicast+0x449/0x710 [ 4971.724577][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.724577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.724577][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.724577][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.724577][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.724577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.724577][ T72] [ 4971.727093][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4971.727093][ T72] netdev_get_by_index+0x5e/0x80 [ 4971.727093][ T72] fib6_nh_init+0x3d8/0x1580 [ 4971.727093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4971.727093][ T72] ip6_route_add+0x1c/0x140 [ 4971.727093][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4971.727093][ T72] addrconf_add_dev+0xe2/0x170 [ 4971.727093][ T72] inet6_addr_add+0x12f/0xa40 [ 4971.727093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.727093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.727093][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.727093][ T72] netlink_unicast+0x449/0x710 [ 4971.727093][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.727093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.727093][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.727093][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.727093][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.727093][ T72] [ 4971.729441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4971.729441][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4971.729441][ T72] ipv6_find_idev+0x102/0x170 [ 4971.729441][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.729441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.729441][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.729441][ T72] netlink_unicast+0x449/0x710 [ 4971.729441][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.729441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.729441][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.729441][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.729441][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.729441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.729441][ T72] [ 4971.731324][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4971.731324][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4971.731324][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4971.731324][ T72] ipv6_find_idev+0x102/0x170 [ 4971.731324][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.731324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.731324][ T72] netlink_rcv_skb+0x130/0x360 [ 4971.731324][ T72] netlink_unicast+0x449/0x710 [ 4971.731324][ T72] netlink_sendmsg+0x723/0xbe0 [ 4971.731324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4971.731324][ T72] ___sys_sendmsg+0xee/0x170 [ 4971.731324][ T72] __sys_sendmsg+0xcd/0x170 [ 4971.731324][ T72] do_syscall_64+0xc6/0x1e0 [ 4971.731324][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.731324][ T72] [ 4981.736994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4981.737926][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4981.737926][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4981.737926][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4981.737926][ T72] fib6_nh_init+0xa22/0x1580 [ 4981.737926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.737926][ T72] ip6_route_add+0x1c/0x140 [ 4981.737926][ T72] inet6_rtm_newroute+0x104/0x110 [ 4981.737926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.737926][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.737926][ T72] netlink_unicast+0x449/0x710 [ 4981.737926][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.737926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.737926][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.737926][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.737926][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.737926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.737926][ T72] [ 4981.740052][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4981.740052][ T72] dst_init+0x84/0x4a0 [ 4981.740052][ T72] dst_alloc+0x97/0x150 [ 4981.740052][ T72] ip6_dst_alloc+0x23/0x90 [ 4981.740052][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4981.740052][ T72] ip6_pol_route+0x56f/0x840 [ 4981.740052][ T72] fib6_rule_lookup+0x456/0x630 [ 4981.740052][ T72] ip6_route_input+0x59c/0xa50 [ 4981.740052][ T72] ipv6_rcv+0x397/0x810 [ 4981.740052][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4981.740052][ T72] process_backlog+0x101/0x620 [ 4981.740052][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4981.740052][ T72] net_rx_action+0x495/0xbe0 [ 4981.740052][ T72] __do_softirq+0x1b5/0x7f6 [ 4981.740052][ T72] [ 4981.741936][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4981.741936][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.741936][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.741936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.741936][ T72] ip6_route_add+0x1c/0x140 [ 4981.741936][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4981.741936][ T72] inet6_addr_add+0x4f8/0xa40 [ 4981.741936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.741936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.741936][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.741936][ T72] netlink_unicast+0x449/0x710 [ 4981.741936][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.741936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.741936][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.741936][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.741936][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.741936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.741936][ T72] [ 4981.744117][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4981.744117][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.744117][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.744117][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.744117][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4981.744117][ T72] ipv6_add_addr+0x411/0x2000 [ 4981.744117][ T72] inet6_addr_add+0x30e/0xa40 [ 4981.744117][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.744117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.744117][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.744117][ T72] netlink_unicast+0x449/0x710 [ 4981.744117][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.744117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.744117][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.744117][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.744117][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.744117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.744117][ T72] [ 4981.746366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4981.746366][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.746366][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.746366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.746366][ T72] ip6_route_add+0x1c/0x140 [ 4981.746366][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4981.746366][ T72] addrconf_add_dev+0xe2/0x170 [ 4981.746366][ T72] inet6_addr_add+0x12f/0xa40 [ 4981.746366][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.746366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.746366][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.746366][ T72] netlink_unicast+0x449/0x710 [ 4981.746366][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.746366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.746366][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.746366][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.746366][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.746366][ T72] [ 4981.748567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4981.748567][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4981.748567][ T72] ipv6_find_idev+0x102/0x170 [ 4981.748567][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.748567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.748567][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.748567][ T72] netlink_unicast+0x449/0x710 [ 4981.748567][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.748567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.748567][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.748567][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.748567][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.748567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.748567][ T72] [ 4981.750260][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4981.750260][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4981.750260][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4981.750260][ T72] ipv6_find_idev+0x102/0x170 [ 4981.750260][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.750260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.750260][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.750260][ T72] netlink_unicast+0x449/0x710 [ 4981.750260][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.750260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.750260][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.750260][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.750260][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.750260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.750260][ T72] [ 4981.752107][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4981.752397][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4981.752397][ T72] dst_init+0x84/0x4a0 [ 4981.752397][ T72] dst_alloc+0x97/0x150 [ 4981.752397][ T72] ip6_dst_alloc+0x23/0x90 [ 4981.752397][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4981.752397][ T72] ip6_pol_route+0x56f/0x840 [ 4981.752397][ T72] fib6_rule_lookup+0x456/0x630 [ 4981.752397][ T72] ip6_route_input+0x59c/0xa50 [ 4981.752397][ T72] ipv6_rcv+0x397/0x810 [ 4981.752397][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4981.752397][ T72] process_backlog+0x101/0x620 [ 4981.752397][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4981.752397][ T72] net_rx_action+0x495/0xbe0 [ 4981.752397][ T72] __do_softirq+0x1b5/0x7f6 [ 4981.752397][ T72] [ 4981.754204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4981.754204][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.754204][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.754204][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.754204][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4981.754204][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4981.754204][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4981.754204][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4981.754204][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4981.754204][ T72] addrconf_dad_begin+0x310/0x670 [ 4981.754204][ T72] addrconf_dad_work+0x10b/0xab0 [ 4981.754204][ T72] process_one_work+0x84d/0x18a0 [ 4981.754204][ T72] worker_thread+0x587/0xd30 [ 4981.754204][ T72] kthread+0x28a/0x350 [ 4981.754204][ T72] ret_from_fork+0x31/0x70 [ 4981.754204][ T72] ret_from_fork_asm+0x1a/0x30 [ 4981.754204][ T72] [ 4981.756358][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4981.756358][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.756358][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.756358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.756358][ T72] ip6_route_add+0x1c/0x140 [ 4981.756358][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4981.756358][ T72] inet6_addr_add+0x4f8/0xa40 [ 4981.756358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.756358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.756358][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.756358][ T72] netlink_unicast+0x449/0x710 [ 4981.756358][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.756358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.756358][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.756358][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.756358][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.756358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.756358][ T72] [ 4981.758612][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4981.758612][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.758612][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.758612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.758612][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4981.758612][ T72] ipv6_add_addr+0x411/0x2000 [ 4981.758612][ T72] inet6_addr_add+0x30e/0xa40 [ 4981.758612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.758612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.758612][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.758612][ T72] netlink_unicast+0x449/0x710 [ 4981.758612][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.758612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.758612][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.758612][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.758612][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.758612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.758612][ T72] [ 4981.760847][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4981.760847][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.760847][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.760847][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.760847][ T72] ip6_route_add+0x1c/0x140 [ 4981.760847][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4981.760847][ T72] addrconf_add_dev+0xe2/0x170 [ 4981.760847][ T72] inet6_addr_add+0x12f/0xa40 [ 4981.760847][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.760847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.760847][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.760847][ T72] netlink_unicast+0x449/0x710 [ 4981.760847][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.760847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.760847][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.760847][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.760847][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.760847][ T72] [ 4981.763011][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4981.763011][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4981.763011][ T72] ipv6_find_idev+0x102/0x170 [ 4981.763011][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.763011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.763011][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.763011][ T72] netlink_unicast+0x449/0x710 [ 4981.763011][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.763011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.763011][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.763011][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.763011][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.763011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.763011][ T72] [ 4981.764706][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4981.764706][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4981.764706][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4981.764706][ T72] ipv6_find_idev+0x102/0x170 [ 4981.764706][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.764706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.764706][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.764706][ T72] netlink_unicast+0x449/0x710 [ 4981.764706][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.764706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.764706][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.764706][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.764706][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.764706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.764706][ T72] [ 4981.766669][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4981.766977][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4981.766977][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4981.766977][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4981.766977][ T72] fib6_nh_init+0xa22/0x1580 [ 4981.766977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.766977][ T72] ip6_route_add+0x1c/0x140 [ 4981.766977][ T72] inet6_rtm_newroute+0x104/0x110 [ 4981.766977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.766977][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.766977][ T72] netlink_unicast+0x449/0x710 [ 4981.766977][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.766977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.766977][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.766977][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.766977][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.766977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.766977][ T72] [ 4981.769197][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4981.769197][ T72] dst_init+0x84/0x4a0 [ 4981.769197][ T72] dst_alloc+0x97/0x150 [ 4981.769197][ T72] ip6_dst_alloc+0x23/0x90 [ 4981.769197][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4981.769197][ T72] ip6_pol_route+0x56f/0x840 [ 4981.769197][ T72] fib6_rule_lookup+0x456/0x630 [ 4981.769197][ T72] ip6_route_input+0x59c/0xa50 [ 4981.769197][ T72] ipv6_rcv+0x397/0x810 [ 4981.769197][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4981.769197][ T72] process_backlog+0x101/0x620 [ 4981.769197][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4981.769197][ T72] net_rx_action+0x495/0xbe0 [ 4981.769197][ T72] __do_softirq+0x1b5/0x7f6 [ 4981.769197][ T72] [ 4981.771126][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4981.771126][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.771126][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.771126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.771126][ T72] ip6_route_add+0x1c/0x140 [ 4981.771126][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4981.771126][ T72] inet6_addr_add+0x4f8/0xa40 [ 4981.771126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.771126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.771126][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.771126][ T72] netlink_unicast+0x449/0x710 [ 4981.771126][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.771126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.771126][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.771126][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.771126][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.771126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.771126][ T72] [ 4981.773464][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4981.773464][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.773464][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.773464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.773464][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4981.773464][ T72] ipv6_add_addr+0x411/0x2000 [ 4981.773464][ T72] inet6_addr_add+0x30e/0xa40 [ 4981.773464][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.773464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.773464][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.773464][ T72] netlink_unicast+0x449/0x710 [ 4981.773464][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.773464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.773464][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.773464][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.773464][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.773464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.773464][ T72] [ 4981.775824][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4981.775824][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.775824][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.775824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.775824][ T72] ip6_route_add+0x1c/0x140 [ 4981.775824][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4981.775824][ T72] addrconf_add_dev+0xe2/0x170 [ 4981.775824][ T72] inet6_addr_add+0x12f/0xa40 [ 4981.775824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.775824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.775824][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.775824][ T72] netlink_unicast+0x449/0x710 [ 4981.775824][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.775824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.775824][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.775824][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.775824][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.775824][ T72] [ 4981.778173][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4981.778173][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4981.778173][ T72] ipv6_find_idev+0x102/0x170 [ 4981.778173][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.778173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.778173][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.778173][ T72] netlink_unicast+0x449/0x710 [ 4981.778173][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.778173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.778173][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.778173][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.778173][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.778173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.778173][ T72] [ 4981.779905][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4981.779905][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4981.779905][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4981.779905][ T72] ipv6_find_idev+0x102/0x170 [ 4981.779905][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.779905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.779905][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.779905][ T72] netlink_unicast+0x449/0x710 [ 4981.779905][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.779905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.779905][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.779905][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.779905][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.779905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.779905][ T72] [ 4981.781887][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4981.782183][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4981.782183][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.782183][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.782183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.782183][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4981.782183][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4981.782183][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4981.782183][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4981.782183][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4981.782183][ T72] addrconf_dad_begin+0x310/0x670 [ 4981.782183][ T72] addrconf_dad_work+0x10b/0xab0 [ 4981.782183][ T72] process_one_work+0x84d/0x18a0 [ 4981.782183][ T72] worker_thread+0x587/0xd30 [ 4981.782183][ T72] kthread+0x28a/0x350 [ 4981.782183][ T72] ret_from_fork+0x31/0x70 [ 4981.782183][ T72] ret_from_fork_asm+0x1a/0x30 [ 4981.782183][ T72] [ 4981.784453][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4981.784453][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.784453][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.784453][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.784453][ T72] ip6_route_add+0x1c/0x140 [ 4981.784453][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4981.784453][ T72] inet6_addr_add+0x4f8/0xa40 [ 4981.784453][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.784453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.784453][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.784453][ T72] netlink_unicast+0x449/0x710 [ 4981.784453][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.784453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.784453][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.784453][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.784453][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.784453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.784453][ T72] [ 4981.786809][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4981.786809][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.786809][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.786809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.786809][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4981.786809][ T72] ipv6_add_addr+0x411/0x2000 [ 4981.786809][ T72] inet6_addr_add+0x30e/0xa40 [ 4981.786809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.786809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.786809][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.786809][ T72] netlink_unicast+0x449/0x710 [ 4981.786809][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.786809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.786809][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.786809][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.786809][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.786809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.786809][ T72] [ 4981.789175][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4981.789175][ T72] netdev_get_by_index+0x5e/0x80 [ 4981.789175][ T72] fib6_nh_init+0x3d8/0x1580 [ 4981.789175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4981.789175][ T72] ip6_route_add+0x1c/0x140 [ 4981.789175][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4981.789175][ T72] addrconf_add_dev+0xe2/0x170 [ 4981.789175][ T72] inet6_addr_add+0x12f/0xa40 [ 4981.789175][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.789175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.789175][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.789175][ T72] netlink_unicast+0x449/0x710 [ 4981.789175][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.789175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.789175][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.789175][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.789175][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.789175][ T72] [ 4981.791409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4981.791409][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4981.791409][ T72] ipv6_find_idev+0x102/0x170 [ 4981.791409][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.791409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.791409][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.791409][ T72] netlink_unicast+0x449/0x710 [ 4981.791409][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.791409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.791409][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.791409][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.791409][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.791409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.791409][ T72] [ 4981.793179][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4981.793179][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4981.793179][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4981.793179][ T72] ipv6_find_idev+0x102/0x170 [ 4981.793179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.793179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.793179][ T72] netlink_rcv_skb+0x130/0x360 [ 4981.793179][ T72] netlink_unicast+0x449/0x710 [ 4981.793179][ T72] netlink_sendmsg+0x723/0xbe0 [ 4981.793179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4981.793179][ T72] ___sys_sendmsg+0xee/0x170 [ 4981.793179][ T72] __sys_sendmsg+0xcd/0x170 [ 4981.793179][ T72] do_syscall_64+0xc6/0x1e0 [ 4981.793179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.793179][ T72] [ 4992.032905][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 4992.033378][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4992.033378][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4992.033378][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4992.033378][ T72] fib6_nh_init+0xa22/0x1580 [ 4992.033378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.033378][ T72] ip6_route_add+0x1c/0x140 [ 4992.033378][ T72] inet6_rtm_newroute+0x104/0x110 [ 4992.033378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.033378][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.033378][ T72] netlink_unicast+0x449/0x710 [ 4992.033378][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.033378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.033378][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.033378][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.033378][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.033378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.033378][ T72] [ 4992.035303][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 4992.035303][ T72] dst_init+0x84/0x4a0 [ 4992.035303][ T72] dst_alloc+0x97/0x150 [ 4992.035303][ T72] ip6_dst_alloc+0x23/0x90 [ 4992.035303][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4992.035303][ T72] ip6_pol_route+0x56f/0x840 [ 4992.035303][ T72] fib6_rule_lookup+0x456/0x630 [ 4992.035303][ T72] ip6_route_input+0x59c/0xa50 [ 4992.035303][ T72] ipv6_rcv+0x397/0x810 [ 4992.035303][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4992.035303][ T72] process_backlog+0x101/0x620 [ 4992.035303][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4992.035303][ T72] net_rx_action+0x495/0xbe0 [ 4992.035303][ T72] __do_softirq+0x1b5/0x7f6 [ 4992.035303][ T72] [ 4992.036950][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4992.036950][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.036950][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.036950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.036950][ T72] ip6_route_add+0x1c/0x140 [ 4992.036950][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4992.036950][ T72] inet6_addr_add+0x4f8/0xa40 [ 4992.036950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.036950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.036950][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.036950][ T72] netlink_unicast+0x449/0x710 [ 4992.036950][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.036950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.036950][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.036950][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.036950][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.036950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.036950][ T72] [ 4992.038955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4992.038955][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.038955][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.038955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.038955][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4992.038955][ T72] ipv6_add_addr+0x411/0x2000 [ 4992.038955][ T72] inet6_addr_add+0x30e/0xa40 [ 4992.038955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.038955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.038955][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.038955][ T72] netlink_unicast+0x449/0x710 [ 4992.038955][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.038955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.038955][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.038955][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.038955][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.038955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.038955][ T72] [ 4992.040961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4992.040961][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.040961][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.040961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.040961][ T72] ip6_route_add+0x1c/0x140 [ 4992.040961][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.040961][ T72] addrconf_add_dev+0xe2/0x170 [ 4992.040961][ T72] inet6_addr_add+0x12f/0xa40 [ 4992.040961][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.040961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.040961][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.040961][ T72] netlink_unicast+0x449/0x710 [ 4992.040961][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.040961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.040961][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.040961][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.040961][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.040961][ T72] [ 4992.042936][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4992.042936][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4992.042936][ T72] ipv6_find_idev+0x102/0x170 [ 4992.042936][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.042936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.042936][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.042936][ T72] netlink_unicast+0x449/0x710 [ 4992.042936][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.042936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.042936][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.042936][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.042936][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.042936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.042936][ T72] [ 4992.044490][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 4992.044490][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4992.044490][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4992.044490][ T72] ipv6_find_idev+0x102/0x170 [ 4992.044490][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.044490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.044490][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.044490][ T72] netlink_unicast+0x449/0x710 [ 4992.044490][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.044490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.044490][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.044490][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.044490][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.044490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.044490][ T72] [ 4992.046201][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 4992.046469][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4992.046469][ T72] dst_init+0x84/0x4a0 [ 4992.046469][ T72] dst_alloc+0x97/0x150 [ 4992.046469][ T72] ip6_dst_alloc+0x23/0x90 [ 4992.046469][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4992.046469][ T72] ip6_pol_route+0x56f/0x840 [ 4992.046469][ T72] fib6_rule_lookup+0x456/0x630 [ 4992.046469][ T72] ip6_route_input+0x59c/0xa50 [ 4992.046469][ T72] ipv6_rcv+0x397/0x810 [ 4992.046469][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4992.046469][ T72] process_backlog+0x101/0x620 [ 4992.046469][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4992.046469][ T72] net_rx_action+0x495/0xbe0 [ 4992.046469][ T72] __do_softirq+0x1b5/0x7f6 [ 4992.046469][ T72] [ 4992.048121][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4992.048121][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.048121][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.048121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.048121][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4992.048121][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4992.048121][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4992.048121][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4992.048121][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4992.048121][ T72] addrconf_dad_begin+0x310/0x670 [ 4992.048121][ T72] addrconf_dad_work+0x10b/0xab0 [ 4992.048121][ T72] process_one_work+0x84d/0x18a0 [ 4992.048121][ T72] worker_thread+0x587/0xd30 [ 4992.048121][ T72] kthread+0x28a/0x350 [ 4992.048121][ T72] ret_from_fork+0x31/0x70 [ 4992.048121][ T72] ret_from_fork_asm+0x1a/0x30 [ 4992.048121][ T72] [ 4992.050037][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4992.050037][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.050037][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.050037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.050037][ T72] ip6_route_add+0x1c/0x140 [ 4992.050037][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4992.050037][ T72] inet6_addr_add+0x4f8/0xa40 [ 4992.050037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.050037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.050037][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.050037][ T72] netlink_unicast+0x449/0x710 [ 4992.050037][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.050037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.050037][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.050037][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.050037][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.050037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.050037][ T72] [ 4992.052040][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4992.052040][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.052040][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.052040][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.052040][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4992.052040][ T72] ipv6_add_addr+0x411/0x2000 [ 4992.052040][ T72] inet6_addr_add+0x30e/0xa40 [ 4992.052040][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.052040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.052040][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.052040][ T72] netlink_unicast+0x449/0x710 [ 4992.052040][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.052040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.052040][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.052040][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.052040][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.052040][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.052040][ T72] [ 4992.054072][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4992.054072][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.054072][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.054072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.054072][ T72] ip6_route_add+0x1c/0x140 [ 4992.054072][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.054072][ T72] addrconf_add_dev+0xe2/0x170 [ 4992.054072][ T72] inet6_addr_add+0x12f/0xa40 [ 4992.054072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.054072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.054072][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.054072][ T72] netlink_unicast+0x449/0x710 [ 4992.054072][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.054072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.054072][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.054072][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.054072][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.054072][ T72] [ 4992.056072][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4992.056072][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4992.056072][ T72] ipv6_find_idev+0x102/0x170 [ 4992.056072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.056072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.056072][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.056072][ T72] netlink_unicast+0x449/0x710 [ 4992.056072][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.056072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.056072][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.056072][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.056072][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.056072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.056072][ T72] [ 4992.057629][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 4992.057629][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4992.057629][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4992.057629][ T72] ipv6_find_idev+0x102/0x170 [ 4992.057629][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.057629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.057629][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.057629][ T72] netlink_unicast+0x449/0x710 [ 4992.057629][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.057629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.057629][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.057629][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.057629][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.057629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.057629][ T72] [ 4992.059441][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 4992.059710][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4992.059710][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 4992.059710][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 4992.059710][ T72] fib6_nh_init+0xa22/0x1580 [ 4992.059710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.059710][ T72] ip6_route_add+0x1c/0x140 [ 4992.059710][ T72] inet6_rtm_newroute+0x104/0x110 [ 4992.059710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.059710][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.059710][ T72] netlink_unicast+0x449/0x710 [ 4992.059710][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.059710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.059710][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.059710][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.059710][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.059710][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.059710][ T72] [ 4992.061893][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4992.061893][ T72] dst_init+0x84/0x4a0 [ 4992.061893][ T72] dst_alloc+0x97/0x150 [ 4992.061893][ T72] ip6_dst_alloc+0x23/0x90 [ 4992.061893][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4992.061893][ T72] ip6_pol_route+0x56f/0x840 [ 4992.061893][ T72] fib6_rule_lookup+0x456/0x630 [ 4992.061893][ T72] ip6_route_input+0x59c/0xa50 [ 4992.061893][ T72] ipv6_rcv+0x397/0x810 [ 4992.061893][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 4992.061893][ T72] process_backlog+0x101/0x620 [ 4992.061893][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 4992.061893][ T72] net_rx_action+0x495/0xbe0 [ 4992.061893][ T72] __do_softirq+0x1b5/0x7f6 [ 4992.061893][ T72] [ 4992.063711][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4992.063711][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.063711][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.063711][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.063711][ T72] ip6_route_add+0x1c/0x140 [ 4992.063711][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4992.063711][ T72] inet6_addr_add+0x4f8/0xa40 [ 4992.063711][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.063711][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.063711][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.063711][ T72] netlink_unicast+0x449/0x710 [ 4992.063711][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.063711][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.063711][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.063711][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.063711][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.063711][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.063711][ T72] [ 4992.065955][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4992.065955][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.065955][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.065955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.065955][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4992.065955][ T72] ipv6_add_addr+0x411/0x2000 [ 4992.065955][ T72] inet6_addr_add+0x30e/0xa40 [ 4992.065955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.065955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.065955][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.065955][ T72] netlink_unicast+0x449/0x710 [ 4992.065955][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.065955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.065955][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.065955][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.065955][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.065955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.065955][ T72] [ 4992.068135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4992.068135][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.068135][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.068135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.068135][ T72] ip6_route_add+0x1c/0x140 [ 4992.068135][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.068135][ T72] addrconf_add_dev+0xe2/0x170 [ 4992.068135][ T72] inet6_addr_add+0x12f/0xa40 [ 4992.068135][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.068135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.068135][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.068135][ T72] netlink_unicast+0x449/0x710 [ 4992.068135][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.068135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.068135][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.068135][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.068135][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.068135][ T72] [ 4992.070398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4992.070398][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4992.070398][ T72] ipv6_find_idev+0x102/0x170 [ 4992.070398][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.070398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.070398][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.070398][ T72] netlink_unicast+0x449/0x710 [ 4992.070398][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.070398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.070398][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.070398][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.070398][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.070398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.070398][ T72] [ 4992.072125][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 4992.072125][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4992.072125][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4992.072125][ T72] ipv6_find_idev+0x102/0x170 [ 4992.072125][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.072125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.072125][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.072125][ T72] netlink_unicast+0x449/0x710 [ 4992.072125][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.072125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.072125][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.072125][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.072125][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.072125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.072125][ T72] [ 4992.074003][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 4992.074353][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4992.074353][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.074353][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.074353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.074353][ T72] addrconf_f6i_alloc+0x265/0x560 [ 4992.074353][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4992.074353][ T72] addrconf_join_anycast+0x1c0/0x220 [ 4992.074353][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4992.074353][ T72] addrconf_dad_completed+0x12b/0xe20 [ 4992.074353][ T72] addrconf_dad_begin+0x310/0x670 [ 4992.074353][ T72] addrconf_dad_work+0x10b/0xab0 [ 4992.074353][ T72] process_one_work+0x84d/0x18a0 [ 4992.074353][ T72] worker_thread+0x587/0xd30 [ 4992.074353][ T72] kthread+0x28a/0x350 [ 4992.074353][ T72] ret_from_fork+0x31/0x70 [ 4992.074353][ T72] ret_from_fork_asm+0x1a/0x30 [ 4992.074353][ T72] [ 4992.076387][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4992.076387][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.076387][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.076387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.076387][ T72] ip6_route_add+0x1c/0x140 [ 4992.076387][ T72] addrconf_prefix_route+0x2a6/0x430 [ 4992.076387][ T72] inet6_addr_add+0x4f8/0xa40 [ 4992.076387][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.076387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.076387][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.076387][ T72] netlink_unicast+0x449/0x710 [ 4992.076387][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.076387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.076387][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.076387][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.076387][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.076387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.076387][ T72] [ 4992.078644][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4992.078644][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.078644][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.078644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.078644][ T72] addrconf_f6i_alloc+0x315/0x560 [ 4992.078644][ T72] ipv6_add_addr+0x411/0x2000 [ 4992.078644][ T72] inet6_addr_add+0x30e/0xa40 [ 4992.078644][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.078644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.078644][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.078644][ T72] netlink_unicast+0x449/0x710 [ 4992.078644][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.078644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.078644][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.078644][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.078644][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.078644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.078644][ T72] [ 4992.080948][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4992.080948][ T72] netdev_get_by_index+0x5e/0x80 [ 4992.080948][ T72] fib6_nh_init+0x3d8/0x1580 [ 4992.080948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 4992.080948][ T72] ip6_route_add+0x1c/0x140 [ 4992.080948][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.080948][ T72] addrconf_add_dev+0xe2/0x170 [ 4992.080948][ T72] inet6_addr_add+0x12f/0xa40 [ 4992.080948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.080948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.080948][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.080948][ T72] netlink_unicast+0x449/0x710 [ 4992.080948][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.080948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.080948][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.080948][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.080948][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.080948][ T72] [ 4992.083181][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4992.083181][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 4992.083181][ T72] ipv6_find_idev+0x102/0x170 [ 4992.083181][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.083181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.083181][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.083181][ T72] netlink_unicast+0x449/0x710 [ 4992.083181][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.083181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.083181][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.083181][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.083181][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.083181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.083181][ T72] [ 4992.084907][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 4992.084907][ T72] neigh_parms_alloc+0x1e5/0x510 [ 4992.084907][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 4992.084907][ T72] ipv6_find_idev+0x102/0x170 [ 4992.084907][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.084907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.084907][ T72] netlink_rcv_skb+0x130/0x360 [ 4992.084907][ T72] netlink_unicast+0x449/0x710 [ 4992.084907][ T72] netlink_sendmsg+0x723/0xbe0 [ 4992.084907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 4992.084907][ T72] ___sys_sendmsg+0xee/0x170 [ 4992.084907][ T72] __sys_sendmsg+0xcd/0x170 [ 4992.084907][ T72] do_syscall_64+0xc6/0x1e0 [ 4992.084907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.084907][ T72] [ 5002.329007][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5002.329531][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5002.329531][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5002.329531][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5002.329531][ T72] fib6_nh_init+0xa22/0x1580 [ 5002.329531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.329531][ T72] ip6_route_add+0x1c/0x140 [ 5002.329531][ T72] inet6_rtm_newroute+0x104/0x110 [ 5002.329531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.329531][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.329531][ T72] netlink_unicast+0x449/0x710 [ 5002.329531][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.329531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.329531][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.329531][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.329531][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.329531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.329531][ T72] [ 5002.331466][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5002.331466][ T72] dst_init+0x84/0x4a0 [ 5002.331466][ T72] dst_alloc+0x97/0x150 [ 5002.331466][ T72] ip6_dst_alloc+0x23/0x90 [ 5002.331466][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5002.331466][ T72] ip6_pol_route+0x56f/0x840 [ 5002.331466][ T72] fib6_rule_lookup+0x456/0x630 [ 5002.331466][ T72] ip6_route_input+0x59c/0xa50 [ 5002.331466][ T72] ipv6_rcv+0x397/0x810 [ 5002.331466][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5002.331466][ T72] process_backlog+0x101/0x620 [ 5002.331466][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5002.331466][ T72] net_rx_action+0x495/0xbe0 [ 5002.331466][ T72] __do_softirq+0x1b5/0x7f6 [ 5002.331466][ T72] [ 5002.333133][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5002.333133][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.333133][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.333133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.333133][ T72] ip6_route_add+0x1c/0x140 [ 5002.333133][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5002.333133][ T72] inet6_addr_add+0x4f8/0xa40 [ 5002.333133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.333133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.333133][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.333133][ T72] netlink_unicast+0x449/0x710 [ 5002.333133][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.333133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.333133][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.333133][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.333133][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.333133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.333133][ T72] [ 5002.335159][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5002.335159][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.335159][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.335159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.335159][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5002.335159][ T72] ipv6_add_addr+0x411/0x2000 [ 5002.335159][ T72] inet6_addr_add+0x30e/0xa40 [ 5002.335159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.335159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.335159][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.335159][ T72] netlink_unicast+0x449/0x710 [ 5002.335159][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.335159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.335159][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.335159][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.335159][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.335159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.335159][ T72] [ 5002.337166][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5002.337166][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.337166][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.337166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.337166][ T72] ip6_route_add+0x1c/0x140 [ 5002.337166][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5002.337166][ T72] addrconf_add_dev+0xe2/0x170 [ 5002.337166][ T72] inet6_addr_add+0x12f/0xa40 [ 5002.337166][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.337166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.337166][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.337166][ T72] netlink_unicast+0x449/0x710 [ 5002.337166][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.337166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.337166][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.337166][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.337166][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.337166][ T72] [ 5002.339236][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5002.339236][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5002.339236][ T72] ipv6_find_idev+0x102/0x170 [ 5002.339236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.339236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.339236][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.339236][ T72] netlink_unicast+0x449/0x710 [ 5002.339236][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.339236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.339236][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.339236][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.339236][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.339236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.339236][ T72] [ 5002.340791][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5002.340791][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5002.340791][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5002.340791][ T72] ipv6_find_idev+0x102/0x170 [ 5002.340791][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.340791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.340791][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.340791][ T72] netlink_unicast+0x449/0x710 [ 5002.340791][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.340791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.340791][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.340791][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.340791][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.340791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.340791][ T72] [ 5002.342509][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5002.342779][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5002.342779][ T72] dst_init+0x84/0x4a0 [ 5002.342779][ T72] dst_alloc+0x97/0x150 [ 5002.342779][ T72] ip6_dst_alloc+0x23/0x90 [ 5002.342779][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5002.342779][ T72] ip6_pol_route+0x56f/0x840 [ 5002.342779][ T72] fib6_rule_lookup+0x456/0x630 [ 5002.342779][ T72] ip6_route_input+0x59c/0xa50 [ 5002.342779][ T72] ipv6_rcv+0x397/0x810 [ 5002.342779][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5002.342779][ T72] process_backlog+0x101/0x620 [ 5002.342779][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5002.342779][ T72] net_rx_action+0x495/0xbe0 [ 5002.342779][ T72] __do_softirq+0x1b5/0x7f6 [ 5002.342779][ T72] [ 5002.344431][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5002.344431][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.344431][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.344431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.344431][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5002.344431][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5002.344431][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5002.344431][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5002.344431][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5002.344431][ T72] addrconf_dad_begin+0x310/0x670 [ 5002.344431][ T72] addrconf_dad_work+0x10b/0xab0 [ 5002.344431][ T72] process_one_work+0x84d/0x18a0 [ 5002.344431][ T72] worker_thread+0x587/0xd30 [ 5002.344431][ T72] kthread+0x28a/0x350 [ 5002.344431][ T72] ret_from_fork+0x31/0x70 [ 5002.344431][ T72] ret_from_fork_asm+0x1a/0x30 [ 5002.344431][ T72] [ 5002.346374][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5002.346374][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.346374][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.346374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.346374][ T72] ip6_route_add+0x1c/0x140 [ 5002.346374][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5002.346374][ T72] inet6_addr_add+0x4f8/0xa40 [ 5002.346374][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.346374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.346374][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.346374][ T72] netlink_unicast+0x449/0x710 [ 5002.346374][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.346374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.346374][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.346374][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.346374][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.346374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.346374][ T72] [ 5002.348380][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5002.348380][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.348380][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.348380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.348380][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5002.348380][ T72] ipv6_add_addr+0x411/0x2000 [ 5002.348380][ T72] inet6_addr_add+0x30e/0xa40 [ 5002.348380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.348380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.348380][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.348380][ T72] netlink_unicast+0x449/0x710 [ 5002.348380][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.348380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.348380][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.348380][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.348380][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.348380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.348380][ T72] [ 5002.351316][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5002.351316][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.351316][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.351316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.351316][ T72] ip6_route_add+0x1c/0x140 [ 5002.351316][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5002.351316][ T72] addrconf_add_dev+0xe2/0x170 [ 5002.351316][ T72] inet6_addr_add+0x12f/0xa40 [ 5002.351316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.351316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.351316][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.351316][ T72] netlink_unicast+0x449/0x710 [ 5002.351316][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.351316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.351316][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.351316][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.351316][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.351316][ T72] [ 5002.353285][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5002.353285][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5002.353285][ T72] ipv6_find_idev+0x102/0x170 [ 5002.353285][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.353285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.353285][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.353285][ T72] netlink_unicast+0x449/0x710 [ 5002.353285][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.353285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.353285][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.353285][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.353285][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.353285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.353285][ T72] [ 5002.354831][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5002.354831][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5002.354831][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5002.354831][ T72] ipv6_find_idev+0x102/0x170 [ 5002.354831][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.354831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.354831][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.354831][ T72] netlink_unicast+0x449/0x710 [ 5002.354831][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.354831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.354831][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.354831][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.354831][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.354831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.354831][ T72] [ 5002.356661][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5002.356974][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5002.356974][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5002.356974][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5002.356974][ T72] fib6_nh_init+0xa22/0x1580 [ 5002.356974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.356974][ T72] ip6_route_add+0x1c/0x140 [ 5002.356974][ T72] inet6_rtm_newroute+0x104/0x110 [ 5002.356974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.356974][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.356974][ T72] netlink_unicast+0x449/0x710 [ 5002.356974][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.356974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.356974][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.356974][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.356974][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.356974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.356974][ T72] [ 5002.359168][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5002.359168][ T72] dst_init+0x84/0x4a0 [ 5002.359168][ T72] dst_alloc+0x97/0x150 [ 5002.359168][ T72] ip6_dst_alloc+0x23/0x90 [ 5002.359168][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5002.359168][ T72] ip6_pol_route+0x56f/0x840 [ 5002.359168][ T72] fib6_rule_lookup+0x456/0x630 [ 5002.359168][ T72] ip6_route_input+0x59c/0xa50 [ 5002.359168][ T72] ipv6_rcv+0x397/0x810 [ 5002.359168][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5002.359168][ T72] process_backlog+0x101/0x620 [ 5002.359168][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5002.359168][ T72] net_rx_action+0x495/0xbe0 [ 5002.359168][ T72] __do_softirq+0x1b5/0x7f6 [ 5002.359168][ T72] [ 5002.360990][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5002.360990][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.360990][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.360990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.360990][ T72] ip6_route_add+0x1c/0x140 [ 5002.360990][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5002.360990][ T72] inet6_addr_add+0x4f8/0xa40 [ 5002.360990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.360990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.360990][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.360990][ T72] netlink_unicast+0x449/0x710 [ 5002.360990][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.360990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.360990][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.360990][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.360990][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.360990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.360990][ T72] [ 5002.363237][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5002.363237][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.363237][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.363237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.363237][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5002.363237][ T72] ipv6_add_addr+0x411/0x2000 [ 5002.363237][ T72] inet6_addr_add+0x30e/0xa40 [ 5002.363237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.363237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.363237][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.363237][ T72] netlink_unicast+0x449/0x710 [ 5002.363237][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.363237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.363237][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.363237][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.363237][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.363237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.363237][ T72] [ 5002.365427][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5002.365427][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.365427][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.365427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.365427][ T72] ip6_route_add+0x1c/0x140 [ 5002.365427][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5002.365427][ T72] addrconf_add_dev+0xe2/0x170 [ 5002.365427][ T72] inet6_addr_add+0x12f/0xa40 [ 5002.365427][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.365427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.365427][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.365427][ T72] netlink_unicast+0x449/0x710 [ 5002.365427][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.365427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.365427][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.365427][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.365427][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.365427][ T72] [ 5002.367701][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5002.367701][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5002.367701][ T72] ipv6_find_idev+0x102/0x170 [ 5002.367701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.367701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.367701][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.367701][ T72] netlink_unicast+0x449/0x710 [ 5002.367701][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.367701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.367701][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.367701][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.367701][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.367701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.367701][ T72] [ 5002.369425][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5002.369425][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5002.369425][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5002.369425][ T72] ipv6_find_idev+0x102/0x170 [ 5002.369425][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.369425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.369425][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.369425][ T72] netlink_unicast+0x449/0x710 [ 5002.369425][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.369425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.369425][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.369425][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.369425][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.369425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.369425][ T72] [ 5002.371295][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5002.371631][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5002.371631][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.371631][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.371631][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.371631][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5002.371631][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5002.371631][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5002.371631][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5002.371631][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5002.371631][ T72] addrconf_dad_begin+0x310/0x670 [ 5002.371631][ T72] addrconf_dad_work+0x10b/0xab0 [ 5002.371631][ T72] process_one_work+0x84d/0x18a0 [ 5002.371631][ T72] worker_thread+0x587/0xd30 [ 5002.371631][ T72] kthread+0x28a/0x350 [ 5002.371631][ T72] ret_from_fork+0x31/0x70 [ 5002.371631][ T72] ret_from_fork_asm+0x1a/0x30 [ 5002.371631][ T72] [ 5002.373665][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5002.373665][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.373665][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.373665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.373665][ T72] ip6_route_add+0x1c/0x140 [ 5002.373665][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5002.373665][ T72] inet6_addr_add+0x4f8/0xa40 [ 5002.373665][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.373665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.373665][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.373665][ T72] netlink_unicast+0x449/0x710 [ 5002.373665][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.373665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.373665][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.373665][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.373665][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.373665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.373665][ T72] [ 5002.375917][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5002.375917][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.375917][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.375917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.375917][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5002.375917][ T72] ipv6_add_addr+0x411/0x2000 [ 5002.375917][ T72] inet6_addr_add+0x30e/0xa40 [ 5002.375917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.375917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.375917][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.375917][ T72] netlink_unicast+0x449/0x710 [ 5002.375917][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.375917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.375917][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.375917][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.375917][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.375917][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.375917][ T72] [ 5002.378238][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5002.378238][ T72] netdev_get_by_index+0x5e/0x80 [ 5002.378238][ T72] fib6_nh_init+0x3d8/0x1580 [ 5002.378238][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5002.378238][ T72] ip6_route_add+0x1c/0x140 [ 5002.378238][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5002.378238][ T72] addrconf_add_dev+0xe2/0x170 [ 5002.378238][ T72] inet6_addr_add+0x12f/0xa40 [ 5002.378238][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.378238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.378238][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.378238][ T72] netlink_unicast+0x449/0x710 [ 5002.378238][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.378238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.378238][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.378238][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.378238][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.378238][ T72] [ 5002.380449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5002.380449][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5002.380449][ T72] ipv6_find_idev+0x102/0x170 [ 5002.380449][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.380449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.380449][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.380449][ T72] netlink_unicast+0x449/0x710 [ 5002.380449][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.380449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.380449][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.380449][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.380449][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.380449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.380449][ T72] [ 5002.382278][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5002.382278][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5002.382278][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5002.382278][ T72] ipv6_find_idev+0x102/0x170 [ 5002.382278][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.382278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.382278][ T72] netlink_rcv_skb+0x130/0x360 [ 5002.382278][ T72] netlink_unicast+0x449/0x710 [ 5002.382278][ T72] netlink_sendmsg+0x723/0xbe0 [ 5002.382278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5002.382278][ T72] ___sys_sendmsg+0xee/0x170 [ 5002.382278][ T72] __sys_sendmsg+0xcd/0x170 [ 5002.382278][ T72] do_syscall_64+0xc6/0x1e0 [ 5002.382278][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.382278][ T72] [ 5012.624923][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5012.625417][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5012.625417][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5012.625417][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5012.625417][ T72] fib6_nh_init+0xa22/0x1580 [ 5012.625417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.625417][ T72] ip6_route_add+0x1c/0x140 [ 5012.625417][ T72] inet6_rtm_newroute+0x104/0x110 [ 5012.625417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.625417][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.625417][ T72] netlink_unicast+0x449/0x710 [ 5012.625417][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.625417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.625417][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.625417][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.625417][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.625417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.625417][ T72] [ 5012.627523][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5012.627523][ T72] dst_init+0x84/0x4a0 [ 5012.627523][ T72] dst_alloc+0x97/0x150 [ 5012.627523][ T72] ip6_dst_alloc+0x23/0x90 [ 5012.627523][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5012.627523][ T72] ip6_pol_route+0x56f/0x840 [ 5012.627523][ T72] fib6_rule_lookup+0x456/0x630 [ 5012.627523][ T72] ip6_route_input+0x59c/0xa50 [ 5012.627523][ T72] ipv6_rcv+0x397/0x810 [ 5012.627523][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5012.627523][ T72] process_backlog+0x101/0x620 [ 5012.627523][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5012.627523][ T72] net_rx_action+0x495/0xbe0 [ 5012.627523][ T72] __do_softirq+0x1b5/0x7f6 [ 5012.627523][ T72] [ 5012.629351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5012.629351][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.629351][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.629351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.629351][ T72] ip6_route_add+0x1c/0x140 [ 5012.629351][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5012.629351][ T72] inet6_addr_add+0x4f8/0xa40 [ 5012.629351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.629351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.629351][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.629351][ T72] netlink_unicast+0x449/0x710 [ 5012.629351][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.629351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.629351][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.629351][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.629351][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.629351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.629351][ T72] [ 5012.631552][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5012.631552][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.631552][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.631552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.631552][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5012.631552][ T72] ipv6_add_addr+0x411/0x2000 [ 5012.631552][ T72] inet6_addr_add+0x30e/0xa40 [ 5012.631552][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.631552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.631552][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.631552][ T72] netlink_unicast+0x449/0x710 [ 5012.631552][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.631552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.631552][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.631552][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.631552][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.631552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.631552][ T72] [ 5012.633778][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5012.633778][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.633778][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.633778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.633778][ T72] ip6_route_add+0x1c/0x140 [ 5012.633778][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5012.633778][ T72] addrconf_add_dev+0xe2/0x170 [ 5012.633778][ T72] inet6_addr_add+0x12f/0xa40 [ 5012.633778][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.633778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.633778][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.633778][ T72] netlink_unicast+0x449/0x710 [ 5012.633778][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.633778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.633778][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.633778][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.633778][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.633778][ T72] [ 5012.635954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5012.635954][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5012.635954][ T72] ipv6_find_idev+0x102/0x170 [ 5012.635954][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.635954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.635954][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.635954][ T72] netlink_unicast+0x449/0x710 [ 5012.635954][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.635954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.635954][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.635954][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.635954][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.635954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.635954][ T72] [ 5012.637655][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5012.637655][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5012.637655][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5012.637655][ T72] ipv6_find_idev+0x102/0x170 [ 5012.637655][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.637655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.637655][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.637655][ T72] netlink_unicast+0x449/0x710 [ 5012.637655][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.637655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.637655][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.637655][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.637655][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.637655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.637655][ T72] [ 5012.639525][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5012.639827][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5012.639827][ T72] dst_init+0x84/0x4a0 [ 5012.639827][ T72] dst_alloc+0x97/0x150 [ 5012.639827][ T72] ip6_dst_alloc+0x23/0x90 [ 5012.639827][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5012.639827][ T72] ip6_pol_route+0x56f/0x840 [ 5012.639827][ T72] fib6_rule_lookup+0x456/0x630 [ 5012.639827][ T72] ip6_route_input+0x59c/0xa50 [ 5012.639827][ T72] ipv6_rcv+0x397/0x810 [ 5012.639827][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5012.639827][ T72] process_backlog+0x101/0x620 [ 5012.639827][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5012.639827][ T72] net_rx_action+0x495/0xbe0 [ 5012.639827][ T72] __do_softirq+0x1b5/0x7f6 [ 5012.639827][ T72] [ 5012.641653][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5012.641653][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.641653][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.641653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.641653][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5012.641653][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5012.641653][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5012.641653][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5012.641653][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5012.641653][ T72] addrconf_dad_begin+0x310/0x670 [ 5012.641653][ T72] addrconf_dad_work+0x10b/0xab0 [ 5012.641653][ T72] process_one_work+0x84d/0x18a0 [ 5012.641653][ T72] worker_thread+0x587/0xd30 [ 5012.641653][ T72] kthread+0x28a/0x350 [ 5012.641653][ T72] ret_from_fork+0x31/0x70 [ 5012.641653][ T72] ret_from_fork_asm+0x1a/0x30 [ 5012.641653][ T72] [ 5012.643754][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5012.643754][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.643754][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.643754][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.643754][ T72] ip6_route_add+0x1c/0x140 [ 5012.643754][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5012.643754][ T72] inet6_addr_add+0x4f8/0xa40 [ 5012.643754][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.643754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.643754][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.643754][ T72] netlink_unicast+0x449/0x710 [ 5012.643754][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.643754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.643754][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.643754][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.643754][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.643754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.643754][ T72] [ 5012.645961][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5012.645961][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.645961][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.645961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.645961][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5012.645961][ T72] ipv6_add_addr+0x411/0x2000 [ 5012.645961][ T72] inet6_addr_add+0x30e/0xa40 [ 5012.645961][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.645961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.645961][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.645961][ T72] netlink_unicast+0x449/0x710 [ 5012.645961][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.645961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.645961][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.645961][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.645961][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.645961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.645961][ T72] [ 5012.648175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5012.648175][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.648175][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.648175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.648175][ T72] ip6_route_add+0x1c/0x140 [ 5012.648175][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5012.648175][ T72] addrconf_add_dev+0xe2/0x170 [ 5012.648175][ T72] inet6_addr_add+0x12f/0xa40 [ 5012.648175][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.648175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.648175][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.648175][ T72] netlink_unicast+0x449/0x710 [ 5012.648175][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.648175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.648175][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.648175][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.648175][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.648175][ T72] [ 5012.650336][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5012.650336][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5012.650336][ T72] ipv6_find_idev+0x102/0x170 [ 5012.650336][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.650336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.650336][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.650336][ T72] netlink_unicast+0x449/0x710 [ 5012.650336][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.650336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.650336][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.650336][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.650336][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.650336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.650336][ T72] [ 5012.652036][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5012.652036][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5012.652036][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5012.652036][ T72] ipv6_find_idev+0x102/0x170 [ 5012.652036][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.652036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.652036][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.652036][ T72] netlink_unicast+0x449/0x710 [ 5012.652036][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.652036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.652036][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.652036][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.652036][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.652036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.652036][ T72] [ 5012.653959][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5012.654314][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5012.654314][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5012.654314][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5012.654314][ T72] fib6_nh_init+0xa22/0x1580 [ 5012.654314][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.654314][ T72] ip6_route_add+0x1c/0x140 [ 5012.654314][ T72] inet6_rtm_newroute+0x104/0x110 [ 5012.654314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.654314][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.654314][ T72] netlink_unicast+0x449/0x710 [ 5012.654314][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.654314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.654314][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.654314][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.654314][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.654314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.654314][ T72] [ 5012.656656][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5012.656656][ T72] dst_init+0x84/0x4a0 [ 5012.656656][ T72] dst_alloc+0x97/0x150 [ 5012.656656][ T72] ip6_dst_alloc+0x23/0x90 [ 5012.656656][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5012.656656][ T72] ip6_pol_route+0x56f/0x840 [ 5012.656656][ T72] fib6_rule_lookup+0x456/0x630 [ 5012.656656][ T72] ip6_route_input+0x59c/0xa50 [ 5012.656656][ T72] ipv6_rcv+0x397/0x810 [ 5012.656656][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5012.656656][ T72] process_backlog+0x101/0x620 [ 5012.656656][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5012.656656][ T72] net_rx_action+0x495/0xbe0 [ 5012.656656][ T72] __do_softirq+0x1b5/0x7f6 [ 5012.656656][ T72] [ 5012.658656][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5012.658656][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.658656][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.658656][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.658656][ T72] ip6_route_add+0x1c/0x140 [ 5012.658656][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5012.658656][ T72] inet6_addr_add+0x4f8/0xa40 [ 5012.658656][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.658656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.658656][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.658656][ T72] netlink_unicast+0x449/0x710 [ 5012.658656][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.658656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.658656][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.658656][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.658656][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.658656][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.658656][ T72] [ 5012.661648][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5012.661648][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.661648][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.661648][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.661648][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5012.661648][ T72] ipv6_add_addr+0x411/0x2000 [ 5012.661648][ T72] inet6_addr_add+0x30e/0xa40 [ 5012.661648][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.661648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.661648][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.661648][ T72] netlink_unicast+0x449/0x710 [ 5012.661648][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.661648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.661648][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.661648][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.661648][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.661648][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.661648][ T72] [ 5012.664096][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5012.664096][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.664096][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.664096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.664096][ T72] ip6_route_add+0x1c/0x140 [ 5012.664096][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5012.664096][ T72] addrconf_add_dev+0xe2/0x170 [ 5012.664096][ T72] inet6_addr_add+0x12f/0xa40 [ 5012.664096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.664096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.664096][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.664096][ T72] netlink_unicast+0x449/0x710 [ 5012.664096][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.664096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.664096][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.664096][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.664096][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.664096][ T72] [ 5012.666564][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5012.666564][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5012.666564][ T72] ipv6_find_idev+0x102/0x170 [ 5012.666564][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.666564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.666564][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.666564][ T72] netlink_unicast+0x449/0x710 [ 5012.666564][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.666564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.666564][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.666564][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.666564][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.666564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.666564][ T72] [ 5012.668450][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5012.668450][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5012.668450][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5012.668450][ T72] ipv6_find_idev+0x102/0x170 [ 5012.668450][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.668450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.668450][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.668450][ T72] netlink_unicast+0x449/0x710 [ 5012.668450][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.668450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.668450][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.668450][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.668450][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.668450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.668450][ T72] [ 5012.671163][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5012.671459][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5012.671459][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.671459][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.671459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.671459][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5012.671459][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5012.671459][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5012.671459][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5012.671459][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5012.671459][ T72] addrconf_dad_begin+0x310/0x670 [ 5012.671459][ T72] addrconf_dad_work+0x10b/0xab0 [ 5012.671459][ T72] process_one_work+0x84d/0x18a0 [ 5012.671459][ T72] worker_thread+0x587/0xd30 [ 5012.671459][ T72] kthread+0x28a/0x350 [ 5012.671459][ T72] ret_from_fork+0x31/0x70 [ 5012.671459][ T72] ret_from_fork_asm+0x1a/0x30 [ 5012.671459][ T72] [ 5012.673815][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5012.673815][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.673815][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.673815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.673815][ T72] ip6_route_add+0x1c/0x140 [ 5012.673815][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5012.673815][ T72] inet6_addr_add+0x4f8/0xa40 [ 5012.673815][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.673815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.673815][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.673815][ T72] netlink_unicast+0x449/0x710 [ 5012.673815][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.673815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.673815][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.673815][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.673815][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.673815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.673815][ T72] [ 5012.676279][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5012.676279][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.676279][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.676279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.676279][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5012.676279][ T72] ipv6_add_addr+0x411/0x2000 [ 5012.676279][ T72] inet6_addr_add+0x30e/0xa40 [ 5012.676279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.676279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.676279][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.676279][ T72] netlink_unicast+0x449/0x710 [ 5012.676279][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.676279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.676279][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.676279][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.676279][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.676279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.676279][ T72] [ 5012.678888][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5012.678888][ T72] netdev_get_by_index+0x5e/0x80 [ 5012.678888][ T72] fib6_nh_init+0x3d8/0x1580 [ 5012.678888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5012.678888][ T72] ip6_route_add+0x1c/0x140 [ 5012.678888][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5012.678888][ T72] addrconf_add_dev+0xe2/0x170 [ 5012.678888][ T72] inet6_addr_add+0x12f/0xa40 [ 5012.678888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.678888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.678888][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.678888][ T72] netlink_unicast+0x449/0x710 [ 5012.678888][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.678888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.678888][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.678888][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.678888][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.678888][ T72] [ 5012.681239][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5012.681239][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5012.681239][ T72] ipv6_find_idev+0x102/0x170 [ 5012.681239][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.681239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.681239][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.681239][ T72] netlink_unicast+0x449/0x710 [ 5012.681239][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.681239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.681239][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.681239][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.681239][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.681239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.681239][ T72] [ 5012.683745][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5012.683745][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5012.683745][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5012.683745][ T72] ipv6_find_idev+0x102/0x170 [ 5012.683745][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.683745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.683745][ T72] netlink_rcv_skb+0x130/0x360 [ 5012.683745][ T72] netlink_unicast+0x449/0x710 [ 5012.683745][ T72] netlink_sendmsg+0x723/0xbe0 [ 5012.683745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5012.683745][ T72] ___sys_sendmsg+0xee/0x170 [ 5012.683745][ T72] __sys_sendmsg+0xcd/0x170 [ 5012.683745][ T72] do_syscall_64+0xc6/0x1e0 [ 5012.683745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.683745][ T72] [ 5022.736957][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5022.737597][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5022.737597][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5022.737597][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5022.737597][ T72] fib6_nh_init+0xa22/0x1580 [ 5022.737597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.737597][ T72] ip6_route_add+0x1c/0x140 [ 5022.737597][ T72] inet6_rtm_newroute+0x104/0x110 [ 5022.737597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.737597][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.737597][ T72] netlink_unicast+0x449/0x710 [ 5022.737597][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.737597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.737597][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.737597][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.737597][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.737597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.737597][ T72] [ 5022.739778][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5022.739778][ T72] dst_init+0x84/0x4a0 [ 5022.739778][ T72] dst_alloc+0x97/0x150 [ 5022.739778][ T72] ip6_dst_alloc+0x23/0x90 [ 5022.739778][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5022.739778][ T72] ip6_pol_route+0x56f/0x840 [ 5022.739778][ T72] fib6_rule_lookup+0x456/0x630 [ 5022.739778][ T72] ip6_route_input+0x59c/0xa50 [ 5022.739778][ T72] ipv6_rcv+0x397/0x810 [ 5022.739778][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5022.739778][ T72] process_backlog+0x101/0x620 [ 5022.739778][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5022.739778][ T72] net_rx_action+0x495/0xbe0 [ 5022.739778][ T72] __do_softirq+0x1b5/0x7f6 [ 5022.739778][ T72] [ 5022.741613][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5022.741613][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.741613][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.741613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.741613][ T72] ip6_route_add+0x1c/0x140 [ 5022.741613][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5022.741613][ T72] inet6_addr_add+0x4f8/0xa40 [ 5022.741613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.741613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.741613][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.741613][ T72] netlink_unicast+0x449/0x710 [ 5022.741613][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.741613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.741613][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.741613][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.741613][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.741613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.741613][ T72] [ 5022.743893][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5022.743893][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.743893][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.743893][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.743893][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5022.743893][ T72] ipv6_add_addr+0x411/0x2000 [ 5022.743893][ T72] inet6_addr_add+0x30e/0xa40 [ 5022.743893][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.743893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.743893][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.743893][ T72] netlink_unicast+0x449/0x710 [ 5022.743893][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.743893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.743893][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.743893][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.743893][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.743893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.743893][ T72] [ 5022.746113][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5022.746113][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.746113][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.746113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.746113][ T72] ip6_route_add+0x1c/0x140 [ 5022.746113][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5022.746113][ T72] addrconf_add_dev+0xe2/0x170 [ 5022.746113][ T72] inet6_addr_add+0x12f/0xa40 [ 5022.746113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.746113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.746113][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.746113][ T72] netlink_unicast+0x449/0x710 [ 5022.746113][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.746113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.746113][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.746113][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.746113][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.746113][ T72] [ 5022.748280][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5022.748280][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5022.748280][ T72] ipv6_find_idev+0x102/0x170 [ 5022.748280][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.748280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.748280][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.748280][ T72] netlink_unicast+0x449/0x710 [ 5022.748280][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.748280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.748280][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.748280][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.748280][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.748280][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.748280][ T72] [ 5022.749975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5022.749975][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5022.749975][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5022.749975][ T72] ipv6_find_idev+0x102/0x170 [ 5022.749975][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.749975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.749975][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.749975][ T72] netlink_unicast+0x449/0x710 [ 5022.749975][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.749975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.749975][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.749975][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.749975][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.749975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.749975][ T72] [ 5022.751837][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5022.752138][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5022.752138][ T72] dst_init+0x84/0x4a0 [ 5022.752138][ T72] dst_alloc+0x97/0x150 [ 5022.752138][ T72] ip6_dst_alloc+0x23/0x90 [ 5022.752138][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5022.752138][ T72] ip6_pol_route+0x56f/0x840 [ 5022.752138][ T72] fib6_rule_lookup+0x456/0x630 [ 5022.752138][ T72] ip6_route_input+0x59c/0xa50 [ 5022.752138][ T72] ipv6_rcv+0x397/0x810 [ 5022.752138][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5022.752138][ T72] process_backlog+0x101/0x620 [ 5022.752138][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5022.752138][ T72] net_rx_action+0x495/0xbe0 [ 5022.752138][ T72] __do_softirq+0x1b5/0x7f6 [ 5022.752138][ T72] [ 5022.753973][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5022.753973][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.753973][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.753973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.753973][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5022.753973][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5022.753973][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5022.753973][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5022.753973][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5022.753973][ T72] addrconf_dad_begin+0x310/0x670 [ 5022.753973][ T72] addrconf_dad_work+0x10b/0xab0 [ 5022.753973][ T72] process_one_work+0x84d/0x18a0 [ 5022.753973][ T72] worker_thread+0x587/0xd30 [ 5022.753973][ T72] kthread+0x28a/0x350 [ 5022.753973][ T72] ret_from_fork+0x31/0x70 [ 5022.753973][ T72] ret_from_fork_asm+0x1a/0x30 [ 5022.753973][ T72] [ 5022.756084][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5022.756084][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.756084][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.756084][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.756084][ T72] ip6_route_add+0x1c/0x140 [ 5022.756084][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5022.756084][ T72] inet6_addr_add+0x4f8/0xa40 [ 5022.756084][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.756084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.756084][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.756084][ T72] netlink_unicast+0x449/0x710 [ 5022.756084][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.756084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.756084][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.756084][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.756084][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.756084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.756084][ T72] [ 5022.758272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5022.758272][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.758272][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.758272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.758272][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5022.758272][ T72] ipv6_add_addr+0x411/0x2000 [ 5022.758272][ T72] inet6_addr_add+0x30e/0xa40 [ 5022.758272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.758272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.758272][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.758272][ T72] netlink_unicast+0x449/0x710 [ 5022.758272][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.758272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.758272][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.758272][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.758272][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.758272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.758272][ T72] [ 5022.760470][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5022.760470][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.760470][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.760470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.760470][ T72] ip6_route_add+0x1c/0x140 [ 5022.760470][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5022.760470][ T72] addrconf_add_dev+0xe2/0x170 [ 5022.760470][ T72] inet6_addr_add+0x12f/0xa40 [ 5022.760470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.760470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.760470][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.760470][ T72] netlink_unicast+0x449/0x710 [ 5022.760470][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.760470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.760470][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.760470][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.760470][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.760470][ T72] [ 5022.762630][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5022.762630][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5022.762630][ T72] ipv6_find_idev+0x102/0x170 [ 5022.762630][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.762630][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.762630][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.762630][ T72] netlink_unicast+0x449/0x710 [ 5022.762630][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.762630][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.762630][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.762630][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.762630][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.762630][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.762630][ T72] [ 5022.764881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5022.764881][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5022.764881][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5022.764881][ T72] ipv6_find_idev+0x102/0x170 [ 5022.764881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.764881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.764881][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.764881][ T72] netlink_unicast+0x449/0x710 [ 5022.764881][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.764881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.764881][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.764881][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.764881][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.764881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.764881][ T72] [ 5022.766821][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5022.767173][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5022.767173][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5022.767173][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5022.767173][ T72] fib6_nh_init+0xa22/0x1580 [ 5022.767173][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.767173][ T72] ip6_route_add+0x1c/0x140 [ 5022.767173][ T72] inet6_rtm_newroute+0x104/0x110 [ 5022.767173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.767173][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.767173][ T72] netlink_unicast+0x449/0x710 [ 5022.767173][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.767173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.767173][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.767173][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.767173][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.767173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.767173][ T72] [ 5022.769471][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5022.769471][ T72] dst_init+0x84/0x4a0 [ 5022.769471][ T72] dst_alloc+0x97/0x150 [ 5022.769471][ T72] ip6_dst_alloc+0x23/0x90 [ 5022.769471][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5022.769471][ T72] ip6_pol_route+0x56f/0x840 [ 5022.769471][ T72] fib6_rule_lookup+0x456/0x630 [ 5022.769471][ T72] ip6_route_input+0x59c/0xa50 [ 5022.769471][ T72] ipv6_rcv+0x397/0x810 [ 5022.769471][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5022.769471][ T72] process_backlog+0x101/0x620 [ 5022.769471][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5022.769471][ T72] net_rx_action+0x495/0xbe0 [ 5022.769471][ T72] __do_softirq+0x1b5/0x7f6 [ 5022.769471][ T72] [ 5022.771550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5022.771550][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.771550][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.771550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.771550][ T72] ip6_route_add+0x1c/0x140 [ 5022.771550][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5022.771550][ T72] inet6_addr_add+0x4f8/0xa40 [ 5022.771550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.771550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.771550][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.771550][ T72] netlink_unicast+0x449/0x710 [ 5022.771550][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.771550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.771550][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.771550][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.771550][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.771550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.771550][ T72] [ 5022.774037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5022.774037][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.774037][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.774037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.774037][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5022.774037][ T72] ipv6_add_addr+0x411/0x2000 [ 5022.774037][ T72] inet6_addr_add+0x30e/0xa40 [ 5022.774037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.774037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.774037][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.774037][ T72] netlink_unicast+0x449/0x710 [ 5022.774037][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.774037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.774037][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.774037][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.774037][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.774037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.774037][ T72] [ 5022.776501][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5022.776501][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.776501][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.776501][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.776501][ T72] ip6_route_add+0x1c/0x140 [ 5022.776501][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5022.776501][ T72] addrconf_add_dev+0xe2/0x170 [ 5022.776501][ T72] inet6_addr_add+0x12f/0xa40 [ 5022.776501][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.776501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.776501][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.776501][ T72] netlink_unicast+0x449/0x710 [ 5022.776501][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.776501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.776501][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.776501][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.776501][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.776501][ T72] [ 5022.778990][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5022.778990][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5022.778990][ T72] ipv6_find_idev+0x102/0x170 [ 5022.778990][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.778990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.778990][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.778990][ T72] netlink_unicast+0x449/0x710 [ 5022.778990][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.778990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.778990][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.778990][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.778990][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.778990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.778990][ T72] [ 5022.780884][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5022.780884][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5022.780884][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5022.780884][ T72] ipv6_find_idev+0x102/0x170 [ 5022.780884][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.780884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.780884][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.780884][ T72] netlink_unicast+0x449/0x710 [ 5022.780884][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.780884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.780884][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.780884][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.780884][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.780884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.780884][ T72] [ 5022.782928][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5022.783236][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5022.783236][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.783236][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.783236][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.783236][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5022.783236][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5022.783236][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5022.783236][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5022.783236][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5022.783236][ T72] addrconf_dad_begin+0x310/0x670 [ 5022.783236][ T72] addrconf_dad_work+0x10b/0xab0 [ 5022.783236][ T72] process_one_work+0x84d/0x18a0 [ 5022.783236][ T72] worker_thread+0x587/0xd30 [ 5022.783236][ T72] kthread+0x28a/0x350 [ 5022.783236][ T72] ret_from_fork+0x31/0x70 [ 5022.783236][ T72] ret_from_fork_asm+0x1a/0x30 [ 5022.783236][ T72] [ 5022.785590][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5022.785590][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.785590][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.785590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.785590][ T72] ip6_route_add+0x1c/0x140 [ 5022.785590][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5022.785590][ T72] inet6_addr_add+0x4f8/0xa40 [ 5022.785590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.785590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.785590][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.785590][ T72] netlink_unicast+0x449/0x710 [ 5022.785590][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.785590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.785590][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.785590][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.785590][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.785590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.785590][ T72] [ 5022.788025][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5022.788025][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.788025][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.788025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.788025][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5022.788025][ T72] ipv6_add_addr+0x411/0x2000 [ 5022.788025][ T72] inet6_addr_add+0x30e/0xa40 [ 5022.788025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.788025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.788025][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.788025][ T72] netlink_unicast+0x449/0x710 [ 5022.788025][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.788025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.788025][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.788025][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.788025][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.788025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.788025][ T72] [ 5022.790558][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5022.790558][ T72] netdev_get_by_index+0x5e/0x80 [ 5022.790558][ T72] fib6_nh_init+0x3d8/0x1580 [ 5022.790558][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5022.790558][ T72] ip6_route_add+0x1c/0x140 [ 5022.790558][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5022.790558][ T72] addrconf_add_dev+0xe2/0x170 [ 5022.790558][ T72] inet6_addr_add+0x12f/0xa40 [ 5022.790558][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.790558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.790558][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.790558][ T72] netlink_unicast+0x449/0x710 [ 5022.790558][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.790558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.790558][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.790558][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.790558][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.790558][ T72] [ 5022.792911][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5022.792911][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5022.792911][ T72] ipv6_find_idev+0x102/0x170 [ 5022.792911][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.792911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.792911][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.792911][ T72] netlink_unicast+0x449/0x710 [ 5022.792911][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.792911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.792911][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.792911][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.792911][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.792911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.792911][ T72] [ 5022.795457][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5022.795457][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5022.795457][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5022.795457][ T72] ipv6_find_idev+0x102/0x170 [ 5022.795457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.795457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.795457][ T72] netlink_rcv_skb+0x130/0x360 [ 5022.795457][ T72] netlink_unicast+0x449/0x710 [ 5022.795457][ T72] netlink_sendmsg+0x723/0xbe0 [ 5022.795457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5022.795457][ T72] ___sys_sendmsg+0xee/0x170 [ 5022.795457][ T72] __sys_sendmsg+0xcd/0x170 [ 5022.795457][ T72] do_syscall_64+0xc6/0x1e0 [ 5022.795457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.795457][ T72] [ 5032.888923][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5032.889423][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5032.889423][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5032.889423][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5032.889423][ T72] fib6_nh_init+0xa22/0x1580 [ 5032.889423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.889423][ T72] ip6_route_add+0x1c/0x140 [ 5032.889423][ T72] inet6_rtm_newroute+0x104/0x110 [ 5032.889423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.889423][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.889423][ T72] netlink_unicast+0x449/0x710 [ 5032.889423][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.889423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.889423][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.889423][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.889423][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.889423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.889423][ T72] [ 5032.891323][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5032.891323][ T72] dst_init+0x84/0x4a0 [ 5032.891323][ T72] dst_alloc+0x97/0x150 [ 5032.891323][ T72] ip6_dst_alloc+0x23/0x90 [ 5032.891323][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5032.891323][ T72] ip6_pol_route+0x56f/0x840 [ 5032.891323][ T72] fib6_rule_lookup+0x456/0x630 [ 5032.891323][ T72] ip6_route_input+0x59c/0xa50 [ 5032.891323][ T72] ipv6_rcv+0x397/0x810 [ 5032.891323][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5032.891323][ T72] process_backlog+0x101/0x620 [ 5032.891323][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5032.891323][ T72] net_rx_action+0x495/0xbe0 [ 5032.891323][ T72] __do_softirq+0x1b5/0x7f6 [ 5032.891323][ T72] [ 5032.892959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5032.892959][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.892959][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.892959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.892959][ T72] ip6_route_add+0x1c/0x140 [ 5032.892959][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5032.892959][ T72] inet6_addr_add+0x4f8/0xa40 [ 5032.892959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.892959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.892959][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.892959][ T72] netlink_unicast+0x449/0x710 [ 5032.892959][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.892959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.892959][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.892959][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.892959][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.892959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.892959][ T72] [ 5032.894974][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5032.894974][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.894974][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.894974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.894974][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5032.894974][ T72] ipv6_add_addr+0x411/0x2000 [ 5032.894974][ T72] inet6_addr_add+0x30e/0xa40 [ 5032.894974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.894974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.894974][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.894974][ T72] netlink_unicast+0x449/0x710 [ 5032.894974][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.894974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.894974][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.894974][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.894974][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.894974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.894974][ T72] [ 5032.896958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5032.896958][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.896958][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.896958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.896958][ T72] ip6_route_add+0x1c/0x140 [ 5032.896958][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5032.896958][ T72] addrconf_add_dev+0xe2/0x170 [ 5032.896958][ T72] inet6_addr_add+0x12f/0xa40 [ 5032.896958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.896958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.896958][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.896958][ T72] netlink_unicast+0x449/0x710 [ 5032.896958][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.896958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.896958][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.896958][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.896958][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.896958][ T72] [ 5032.898909][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5032.898909][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5032.898909][ T72] ipv6_find_idev+0x102/0x170 [ 5032.898909][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.898909][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.898909][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.898909][ T72] netlink_unicast+0x449/0x710 [ 5032.898909][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.898909][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.898909][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.898909][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.898909][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.898909][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.898909][ T72] [ 5032.900435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5032.900435][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5032.900435][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5032.900435][ T72] ipv6_find_idev+0x102/0x170 [ 5032.900435][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.900435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.900435][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.900435][ T72] netlink_unicast+0x449/0x710 [ 5032.900435][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.900435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.900435][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.900435][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.900435][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.900435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.900435][ T72] [ 5032.902133][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5032.902397][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5032.902397][ T72] dst_init+0x84/0x4a0 [ 5032.902397][ T72] dst_alloc+0x97/0x150 [ 5032.902397][ T72] ip6_dst_alloc+0x23/0x90 [ 5032.902397][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5032.902397][ T72] ip6_pol_route+0x56f/0x840 [ 5032.902397][ T72] fib6_rule_lookup+0x456/0x630 [ 5032.902397][ T72] ip6_route_input+0x59c/0xa50 [ 5032.902397][ T72] ipv6_rcv+0x397/0x810 [ 5032.902397][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5032.902397][ T72] process_backlog+0x101/0x620 [ 5032.902397][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5032.902397][ T72] net_rx_action+0x495/0xbe0 [ 5032.902397][ T72] __do_softirq+0x1b5/0x7f6 [ 5032.902397][ T72] [ 5032.904026][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5032.904026][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.904026][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.904026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.904026][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5032.904026][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5032.904026][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5032.904026][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5032.904026][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5032.904026][ T72] addrconf_dad_begin+0x310/0x670 [ 5032.904026][ T72] addrconf_dad_work+0x10b/0xab0 [ 5032.904026][ T72] process_one_work+0x84d/0x18a0 [ 5032.904026][ T72] worker_thread+0x587/0xd30 [ 5032.904026][ T72] kthread+0x28a/0x350 [ 5032.904026][ T72] ret_from_fork+0x31/0x70 [ 5032.904026][ T72] ret_from_fork_asm+0x1a/0x30 [ 5032.904026][ T72] [ 5032.905924][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5032.905924][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.905924][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.905924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.905924][ T72] ip6_route_add+0x1c/0x140 [ 5032.905924][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5032.905924][ T72] inet6_addr_add+0x4f8/0xa40 [ 5032.905924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.905924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.905924][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.905924][ T72] netlink_unicast+0x449/0x710 [ 5032.905924][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.905924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.905924][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.905924][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.905924][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.905924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.905924][ T72] [ 5032.907904][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5032.907904][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.907904][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.907904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.907904][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5032.907904][ T72] ipv6_add_addr+0x411/0x2000 [ 5032.907904][ T72] inet6_addr_add+0x30e/0xa40 [ 5032.907904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.907904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.907904][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.907904][ T72] netlink_unicast+0x449/0x710 [ 5032.907904][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.907904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.907904][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.907904][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.907904][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.907904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.907904][ T72] [ 5032.909903][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5032.909903][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.909903][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.909903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.909903][ T72] ip6_route_add+0x1c/0x140 [ 5032.909903][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5032.909903][ T72] addrconf_add_dev+0xe2/0x170 [ 5032.909903][ T72] inet6_addr_add+0x12f/0xa40 [ 5032.909903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.909903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.909903][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.909903][ T72] netlink_unicast+0x449/0x710 [ 5032.909903][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.909903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.909903][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.909903][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.909903][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.909903][ T72] [ 5032.911850][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5032.911850][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5032.911850][ T72] ipv6_find_idev+0x102/0x170 [ 5032.911850][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.911850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.911850][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.911850][ T72] netlink_unicast+0x449/0x710 [ 5032.911850][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.911850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.911850][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.911850][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.911850][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.911850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.911850][ T72] [ 5032.913377][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5032.913377][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5032.913377][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5032.913377][ T72] ipv6_find_idev+0x102/0x170 [ 5032.913377][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.913377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.913377][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.913377][ T72] netlink_unicast+0x449/0x710 [ 5032.913377][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.913377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.913377][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.913377][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.913377][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.913377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.913377][ T72] [ 5032.915156][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5032.915418][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5032.915418][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5032.915418][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5032.915418][ T72] fib6_nh_init+0xa22/0x1580 [ 5032.915418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.915418][ T72] ip6_route_add+0x1c/0x140 [ 5032.915418][ T72] inet6_rtm_newroute+0x104/0x110 [ 5032.915418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.915418][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.915418][ T72] netlink_unicast+0x449/0x710 [ 5032.915418][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.915418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.915418][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.915418][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.915418][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.915418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.915418][ T72] [ 5032.917589][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5032.917589][ T72] dst_init+0x84/0x4a0 [ 5032.917589][ T72] dst_alloc+0x97/0x150 [ 5032.917589][ T72] ip6_dst_alloc+0x23/0x90 [ 5032.917589][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5032.917589][ T72] ip6_pol_route+0x56f/0x840 [ 5032.917589][ T72] fib6_rule_lookup+0x456/0x630 [ 5032.917589][ T72] ip6_route_input+0x59c/0xa50 [ 5032.917589][ T72] ipv6_rcv+0x397/0x810 [ 5032.917589][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5032.917589][ T72] process_backlog+0x101/0x620 [ 5032.917589][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5032.917589][ T72] net_rx_action+0x495/0xbe0 [ 5032.917589][ T72] __do_softirq+0x1b5/0x7f6 [ 5032.917589][ T72] [ 5032.919393][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5032.919393][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.919393][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.919393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.919393][ T72] ip6_route_add+0x1c/0x140 [ 5032.919393][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5032.919393][ T72] inet6_addr_add+0x4f8/0xa40 [ 5032.919393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.919393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.919393][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.919393][ T72] netlink_unicast+0x449/0x710 [ 5032.919393][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.919393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.919393][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.919393][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.919393][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.919393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.919393][ T72] [ 5032.921570][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5032.921570][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.921570][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.921570][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.921570][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5032.921570][ T72] ipv6_add_addr+0x411/0x2000 [ 5032.921570][ T72] inet6_addr_add+0x30e/0xa40 [ 5032.921570][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.921570][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.921570][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.921570][ T72] netlink_unicast+0x449/0x710 [ 5032.921570][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.921570][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.921570][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.921570][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.921570][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.921570][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.921570][ T72] [ 5032.923631][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5032.923631][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.923631][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.923631][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.923631][ T72] ip6_route_add+0x1c/0x140 [ 5032.923631][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5032.923631][ T72] addrconf_add_dev+0xe2/0x170 [ 5032.923631][ T72] inet6_addr_add+0x12f/0xa40 [ 5032.923631][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.923631][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.923631][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.923631][ T72] netlink_unicast+0x449/0x710 [ 5032.923631][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.923631][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.923631][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.923631][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.923631][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.923631][ T72] [ 5032.925768][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5032.925768][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5032.925768][ T72] ipv6_find_idev+0x102/0x170 [ 5032.925768][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.925768][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.925768][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.925768][ T72] netlink_unicast+0x449/0x710 [ 5032.925768][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.925768][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.925768][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.925768][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.925768][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.925768][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.925768][ T72] [ 5032.927375][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5032.927375][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5032.927375][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5032.927375][ T72] ipv6_find_idev+0x102/0x170 [ 5032.927375][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.927375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.927375][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.927375][ T72] netlink_unicast+0x449/0x710 [ 5032.927375][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.927375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.927375][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.927375][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.927375][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.927375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.927375][ T72] [ 5032.929137][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5032.929407][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5032.929407][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.929407][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.929407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.929407][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5032.929407][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5032.929407][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5032.929407][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5032.929407][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5032.929407][ T72] addrconf_dad_begin+0x310/0x670 [ 5032.929407][ T72] addrconf_dad_work+0x10b/0xab0 [ 5032.929407][ T72] process_one_work+0x84d/0x18a0 [ 5032.929407][ T72] worker_thread+0x587/0xd30 [ 5032.929407][ T72] kthread+0x28a/0x350 [ 5032.929407][ T72] ret_from_fork+0x31/0x70 [ 5032.929407][ T72] ret_from_fork_asm+0x1a/0x30 [ 5032.929407][ T72] [ 5032.931385][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5032.931385][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.931385][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.931385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.931385][ T72] ip6_route_add+0x1c/0x140 [ 5032.931385][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5032.931385][ T72] inet6_addr_add+0x4f8/0xa40 [ 5032.931385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.931385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.931385][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.931385][ T72] netlink_unicast+0x449/0x710 [ 5032.931385][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.931385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.931385][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.931385][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.931385][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.931385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.931385][ T72] [ 5032.933978][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5032.933978][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.933978][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.933978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.933978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5032.933978][ T72] ipv6_add_addr+0x411/0x2000 [ 5032.933978][ T72] inet6_addr_add+0x30e/0xa40 [ 5032.933978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.933978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.933978][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.933978][ T72] netlink_unicast+0x449/0x710 [ 5032.933978][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.933978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.933978][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.933978][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.933978][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.933978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.933978][ T72] [ 5032.936137][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5032.936137][ T72] netdev_get_by_index+0x5e/0x80 [ 5032.936137][ T72] fib6_nh_init+0x3d8/0x1580 [ 5032.936137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5032.936137][ T72] ip6_route_add+0x1c/0x140 [ 5032.936137][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5032.936137][ T72] addrconf_add_dev+0xe2/0x170 [ 5032.936137][ T72] inet6_addr_add+0x12f/0xa40 [ 5032.936137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.936137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.936137][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.936137][ T72] netlink_unicast+0x449/0x710 [ 5032.936137][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.936137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.936137][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.936137][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.936137][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.936137][ T72] [ 5032.938172][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5032.938172][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5032.938172][ T72] ipv6_find_idev+0x102/0x170 [ 5032.938172][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.938172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.938172][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.938172][ T72] netlink_unicast+0x449/0x710 [ 5032.938172][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.938172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.938172][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.938172][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.938172][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.938172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.938172][ T72] [ 5032.939779][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5032.939779][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5032.939779][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5032.939779][ T72] ipv6_find_idev+0x102/0x170 [ 5032.939779][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.939779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.939779][ T72] netlink_rcv_skb+0x130/0x360 [ 5032.939779][ T72] netlink_unicast+0x449/0x710 [ 5032.939779][ T72] netlink_sendmsg+0x723/0xbe0 [ 5032.939779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5032.939779][ T72] ___sys_sendmsg+0xee/0x170 [ 5032.939779][ T72] __sys_sendmsg+0xcd/0x170 [ 5032.939779][ T72] do_syscall_64+0xc6/0x1e0 [ 5032.939779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.939779][ T72] [ 5042.968941][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5042.969409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5042.969409][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5042.969409][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5042.969409][ T72] fib6_nh_init+0xa22/0x1580 [ 5042.969409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.969409][ T72] ip6_route_add+0x1c/0x140 [ 5042.969409][ T72] inet6_rtm_newroute+0x104/0x110 [ 5042.969409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.969409][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.969409][ T72] netlink_unicast+0x449/0x710 [ 5042.969409][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.969409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.969409][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.969409][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.969409][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.969409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.969409][ T72] [ 5042.971319][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5042.971319][ T72] dst_init+0x84/0x4a0 [ 5042.971319][ T72] dst_alloc+0x97/0x150 [ 5042.971319][ T72] ip6_dst_alloc+0x23/0x90 [ 5042.971319][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5042.971319][ T72] ip6_pol_route+0x56f/0x840 [ 5042.971319][ T72] fib6_rule_lookup+0x456/0x630 [ 5042.971319][ T72] ip6_route_input+0x59c/0xa50 [ 5042.971319][ T72] ipv6_rcv+0x397/0x810 [ 5042.971319][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5042.971319][ T72] process_backlog+0x101/0x620 [ 5042.971319][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5042.971319][ T72] net_rx_action+0x495/0xbe0 [ 5042.971319][ T72] __do_softirq+0x1b5/0x7f6 [ 5042.971319][ T72] [ 5042.972971][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5042.972971][ T72] netdev_get_by_index+0x5e/0x80 [ 5042.972971][ T72] fib6_nh_init+0x3d8/0x1580 [ 5042.972971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.972971][ T72] ip6_route_add+0x1c/0x140 [ 5042.972971][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5042.972971][ T72] inet6_addr_add+0x4f8/0xa40 [ 5042.972971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.972971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.972971][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.972971][ T72] netlink_unicast+0x449/0x710 [ 5042.972971][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.972971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.972971][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.972971][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.972971][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.972971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.972971][ T72] [ 5042.975001][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5042.975001][ T72] netdev_get_by_index+0x5e/0x80 [ 5042.975001][ T72] fib6_nh_init+0x3d8/0x1580 [ 5042.975001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.975001][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5042.975001][ T72] ipv6_add_addr+0x411/0x2000 [ 5042.975001][ T72] inet6_addr_add+0x30e/0xa40 [ 5042.975001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.975001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.975001][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.975001][ T72] netlink_unicast+0x449/0x710 [ 5042.975001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.975001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.975001][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.975001][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.975001][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.975001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.975001][ T72] [ 5042.977018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5042.977018][ T72] netdev_get_by_index+0x5e/0x80 [ 5042.977018][ T72] fib6_nh_init+0x3d8/0x1580 [ 5042.977018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.977018][ T72] ip6_route_add+0x1c/0x140 [ 5042.977018][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5042.977018][ T72] addrconf_add_dev+0xe2/0x170 [ 5042.977018][ T72] inet6_addr_add+0x12f/0xa40 [ 5042.977018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.977018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.977018][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.977018][ T72] netlink_unicast+0x449/0x710 [ 5042.977018][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.977018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.977018][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.977018][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.977018][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.977018][ T72] [ 5042.978994][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5042.978994][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5042.978994][ T72] ipv6_find_idev+0x102/0x170 [ 5042.978994][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5042.978994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.978994][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.978994][ T72] netlink_unicast+0x449/0x710 [ 5042.978994][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.978994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.978994][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.978994][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.978994][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.978994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.978994][ T72] [ 5042.980543][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5042.980543][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5042.980543][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5042.980543][ T72] ipv6_find_idev+0x102/0x170 [ 5042.980543][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5042.980543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.980543][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.980543][ T72] netlink_unicast+0x449/0x710 [ 5042.980543][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.980543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.980543][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.980543][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.980543][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.980543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.980543][ T72] [ 5042.982262][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5042.982540][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5042.982540][ T72] dst_init+0x84/0x4a0 [ 5042.982540][ T72] dst_alloc+0x97/0x150 [ 5042.982540][ T72] ip6_dst_alloc+0x23/0x90 [ 5042.982540][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5042.982540][ T72] ip6_pol_route+0x56f/0x840 [ 5042.982540][ T72] fib6_rule_lookup+0x456/0x630 [ 5042.982540][ T72] ip6_route_input+0x59c/0xa50 [ 5042.982540][ T72] ipv6_rcv+0x397/0x810 [ 5042.982540][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5042.982540][ T72] process_backlog+0x101/0x620 [ 5042.982540][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5042.982540][ T72] net_rx_action+0x495/0xbe0 [ 5042.982540][ T72] __do_softirq+0x1b5/0x7f6 [ 5042.982540][ T72] [ 5042.984191][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5042.984191][ T72] netdev_get_by_index+0x5e/0x80 [ 5042.984191][ T72] fib6_nh_init+0x3d8/0x1580 [ 5042.984191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.984191][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5042.984191][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5042.984191][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5042.984191][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5042.984191][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5042.984191][ T72] addrconf_dad_begin+0x310/0x670 [ 5042.984191][ T72] addrconf_dad_work+0x10b/0xab0 [ 5042.984191][ T72] process_one_work+0x84d/0x18a0 [ 5042.984191][ T72] worker_thread+0x587/0xd30 [ 5042.984191][ T72] kthread+0x28a/0x350 [ 5042.984191][ T72] ret_from_fork+0x31/0x70 [ 5042.984191][ T72] ret_from_fork_asm+0x1a/0x30 [ 5042.984191][ T72] [ 5042.986112][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5042.986112][ T72] netdev_get_by_index+0x5e/0x80 [ 5042.986112][ T72] fib6_nh_init+0x3d8/0x1580 [ 5042.986112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.986112][ T72] ip6_route_add+0x1c/0x140 [ 5042.986112][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5042.986112][ T72] inet6_addr_add+0x4f8/0xa40 [ 5042.986112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.986112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.986112][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.986112][ T72] netlink_unicast+0x449/0x710 [ 5042.986112][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.986112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.986112][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.986112][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.986112][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.986112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.986112][ T72] [ 5042.988526][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5042.988526][ T72] netdev_get_by_index+0x5e/0x80 [ 5042.988526][ T72] fib6_nh_init+0x3d8/0x1580 [ 5042.988526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.988526][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5042.988526][ T72] ipv6_add_addr+0x411/0x2000 [ 5042.988526][ T72] inet6_addr_add+0x30e/0xa40 [ 5042.988526][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.988526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.988526][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.988526][ T72] netlink_unicast+0x449/0x710 [ 5042.988526][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.988526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.988526][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.988526][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.988526][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.988526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.988526][ T72] [ 5042.990537][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5042.990537][ T72] netdev_get_by_index+0x5e/0x80 [ 5042.990537][ T72] fib6_nh_init+0x3d8/0x1580 [ 5042.990537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.990537][ T72] ip6_route_add+0x1c/0x140 [ 5042.990537][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5042.990537][ T72] addrconf_add_dev+0xe2/0x170 [ 5042.990537][ T72] inet6_addr_add+0x12f/0xa40 [ 5042.990537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.990537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.990537][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.990537][ T72] netlink_unicast+0x449/0x710 [ 5042.990537][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.990537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.990537][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.990537][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.990537][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.990537][ T72] [ 5042.992509][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5042.992509][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5042.992509][ T72] ipv6_find_idev+0x102/0x170 [ 5042.992509][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5042.992509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.992509][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.992509][ T72] netlink_unicast+0x449/0x710 [ 5042.992509][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.992509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.992509][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.992509][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.992509][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.992509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.992509][ T72] [ 5042.994057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5042.994057][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5042.994057][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5042.994057][ T72] ipv6_find_idev+0x102/0x170 [ 5042.994057][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5042.994057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.994057][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.994057][ T72] netlink_unicast+0x449/0x710 [ 5042.994057][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.994057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.994057][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.994057][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.994057][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.994057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.994057][ T72] [ 5042.995886][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5042.996183][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5042.996183][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5042.996183][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5042.996183][ T72] fib6_nh_init+0xa22/0x1580 [ 5042.996183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5042.996183][ T72] ip6_route_add+0x1c/0x140 [ 5042.996183][ T72] inet6_rtm_newroute+0x104/0x110 [ 5042.996183][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.996183][ T72] netlink_rcv_skb+0x130/0x360 [ 5042.996183][ T72] netlink_unicast+0x449/0x710 [ 5042.996183][ T72] netlink_sendmsg+0x723/0xbe0 [ 5042.996183][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5042.996183][ T72] ___sys_sendmsg+0xee/0x170 [ 5042.996183][ T72] __sys_sendmsg+0xcd/0x170 [ 5042.996183][ T72] do_syscall_64+0xc6/0x1e0 [ 5042.996183][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.996183][ T72] [ 5042.998371][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5042.998371][ T72] dst_init+0x84/0x4a0 [ 5042.998371][ T72] dst_alloc+0x97/0x150 [ 5042.998371][ T72] ip6_dst_alloc+0x23/0x90 [ 5042.998371][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5042.998371][ T72] ip6_pol_route+0x56f/0x840 [ 5042.998371][ T72] fib6_rule_lookup+0x456/0x630 [ 5042.998371][ T72] ip6_route_input+0x59c/0xa50 [ 5042.998371][ T72] ipv6_rcv+0x397/0x810 [ 5042.998371][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5042.998371][ T72] process_backlog+0x101/0x620 [ 5042.998371][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5042.998371][ T72] net_rx_action+0x495/0xbe0 [ 5042.998371][ T72] __do_softirq+0x1b5/0x7f6 [ 5042.998371][ T72] [ 5043.000195][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5043.000195][ T72] netdev_get_by_index+0x5e/0x80 [ 5043.000195][ T72] fib6_nh_init+0x3d8/0x1580 [ 5043.000195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5043.000195][ T72] ip6_route_add+0x1c/0x140 [ 5043.000195][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5043.000195][ T72] inet6_addr_add+0x4f8/0xa40 [ 5043.000195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.000195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.000195][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.000195][ T72] netlink_unicast+0x449/0x710 [ 5043.000195][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.000195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.000195][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.000195][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.000195][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.000195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.000195][ T72] [ 5043.002444][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5043.002444][ T72] netdev_get_by_index+0x5e/0x80 [ 5043.002444][ T72] fib6_nh_init+0x3d8/0x1580 [ 5043.002444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5043.002444][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5043.002444][ T72] ipv6_add_addr+0x411/0x2000 [ 5043.002444][ T72] inet6_addr_add+0x30e/0xa40 [ 5043.002444][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.002444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.002444][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.002444][ T72] netlink_unicast+0x449/0x710 [ 5043.002444][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.002444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.002444][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.002444][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.002444][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.002444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.002444][ T72] [ 5043.004636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5043.004636][ T72] netdev_get_by_index+0x5e/0x80 [ 5043.004636][ T72] fib6_nh_init+0x3d8/0x1580 [ 5043.004636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5043.004636][ T72] ip6_route_add+0x1c/0x140 [ 5043.004636][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5043.004636][ T72] addrconf_add_dev+0xe2/0x170 [ 5043.004636][ T72] inet6_addr_add+0x12f/0xa40 [ 5043.004636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.004636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.004636][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.004636][ T72] netlink_unicast+0x449/0x710 [ 5043.004636][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.004636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.004636][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.004636][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.004636][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.004636][ T72] [ 5043.006916][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5043.006916][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5043.006916][ T72] ipv6_find_idev+0x102/0x170 [ 5043.006916][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5043.006916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.006916][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.006916][ T72] netlink_unicast+0x449/0x710 [ 5043.006916][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.006916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.006916][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.006916][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.006916][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.006916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.006916][ T72] [ 5043.008644][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5043.008644][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5043.008644][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5043.008644][ T72] ipv6_find_idev+0x102/0x170 [ 5043.008644][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5043.008644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.008644][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.008644][ T72] netlink_unicast+0x449/0x710 [ 5043.008644][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.008644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.008644][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.008644][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.008644][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.008644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.008644][ T72] [ 5043.010548][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5043.011354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5043.011354][ T72] netdev_get_by_index+0x5e/0x80 [ 5043.011354][ T72] fib6_nh_init+0x3d8/0x1580 [ 5043.011354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5043.011354][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5043.011354][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5043.011354][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5043.011354][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5043.011354][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5043.011354][ T72] addrconf_dad_begin+0x310/0x670 [ 5043.011354][ T72] addrconf_dad_work+0x10b/0xab0 [ 5043.011354][ T72] process_one_work+0x84d/0x18a0 [ 5043.011354][ T72] worker_thread+0x587/0xd30 [ 5043.011354][ T72] kthread+0x28a/0x350 [ 5043.011354][ T72] ret_from_fork+0x31/0x70 [ 5043.011354][ T72] ret_from_fork_asm+0x1a/0x30 [ 5043.011354][ T72] [ 5043.013289][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5043.013289][ T72] netdev_get_by_index+0x5e/0x80 [ 5043.013289][ T72] fib6_nh_init+0x3d8/0x1580 [ 5043.013289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5043.013289][ T72] ip6_route_add+0x1c/0x140 [ 5043.013289][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5043.013289][ T72] inet6_addr_add+0x4f8/0xa40 [ 5043.013289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.013289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.013289][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.013289][ T72] netlink_unicast+0x449/0x710 [ 5043.013289][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.013289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.013289][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.013289][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.013289][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.013289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.013289][ T72] [ 5043.015308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5043.015308][ T72] netdev_get_by_index+0x5e/0x80 [ 5043.015308][ T72] fib6_nh_init+0x3d8/0x1580 [ 5043.015308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5043.015308][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5043.015308][ T72] ipv6_add_addr+0x411/0x2000 [ 5043.015308][ T72] inet6_addr_add+0x30e/0xa40 [ 5043.015308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.015308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.015308][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.015308][ T72] netlink_unicast+0x449/0x710 [ 5043.015308][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.015308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.015308][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.015308][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.015308][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.015308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.015308][ T72] [ 5043.017480][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5043.017480][ T72] netdev_get_by_index+0x5e/0x80 [ 5043.017480][ T72] fib6_nh_init+0x3d8/0x1580 [ 5043.017480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5043.017480][ T72] ip6_route_add+0x1c/0x140 [ 5043.017480][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5043.017480][ T72] addrconf_add_dev+0xe2/0x170 [ 5043.017480][ T72] inet6_addr_add+0x12f/0xa40 [ 5043.017480][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.017480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.017480][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.017480][ T72] netlink_unicast+0x449/0x710 [ 5043.017480][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.017480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.017480][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.017480][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.017480][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.017480][ T72] [ 5043.019686][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5043.019686][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5043.019686][ T72] ipv6_find_idev+0x102/0x170 [ 5043.019686][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5043.019686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.019686][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.019686][ T72] netlink_unicast+0x449/0x710 [ 5043.019686][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.019686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.019686][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.019686][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.019686][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.019686][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.019686][ T72] [ 5043.021315][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5043.021315][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5043.021315][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5043.021315][ T72] ipv6_find_idev+0x102/0x170 [ 5043.021315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5043.021315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.021315][ T72] netlink_rcv_skb+0x130/0x360 [ 5043.021315][ T72] netlink_unicast+0x449/0x710 [ 5043.021315][ T72] netlink_sendmsg+0x723/0xbe0 [ 5043.021315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5043.021315][ T72] ___sys_sendmsg+0xee/0x170 [ 5043.021315][ T72] __sys_sendmsg+0xcd/0x170 [ 5043.021315][ T72] do_syscall_64+0xc6/0x1e0 [ 5043.021315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.021315][ T72] [ 5053.337076][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5053.337652][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5053.337652][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5053.337652][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5053.337652][ T72] fib6_nh_init+0xa22/0x1580 [ 5053.337652][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.337652][ T72] ip6_route_add+0x1c/0x140 [ 5053.337652][ T72] inet6_rtm_newroute+0x104/0x110 [ 5053.337652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.337652][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.337652][ T72] netlink_unicast+0x449/0x710 [ 5053.337652][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.337652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.337652][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.337652][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.337652][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.337652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.337652][ T72] [ 5053.339634][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5053.339634][ T72] dst_init+0x84/0x4a0 [ 5053.339634][ T72] dst_alloc+0x97/0x150 [ 5053.339634][ T72] ip6_dst_alloc+0x23/0x90 [ 5053.339634][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5053.339634][ T72] ip6_pol_route+0x56f/0x840 [ 5053.339634][ T72] fib6_rule_lookup+0x456/0x630 [ 5053.339634][ T72] ip6_route_input+0x59c/0xa50 [ 5053.339634][ T72] ipv6_rcv+0x397/0x810 [ 5053.339634][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5053.339634][ T72] process_backlog+0x101/0x620 [ 5053.339634][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5053.339634][ T72] net_rx_action+0x495/0xbe0 [ 5053.339634][ T72] __do_softirq+0x1b5/0x7f6 [ 5053.339634][ T72] [ 5053.341312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5053.341312][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.341312][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.341312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.341312][ T72] ip6_route_add+0x1c/0x140 [ 5053.341312][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5053.341312][ T72] inet6_addr_add+0x4f8/0xa40 [ 5053.341312][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.341312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.341312][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.341312][ T72] netlink_unicast+0x449/0x710 [ 5053.341312][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.341312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.341312][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.341312][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.341312][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.341312][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.341312][ T72] [ 5053.343380][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5053.343380][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.343380][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.343380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.343380][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5053.343380][ T72] ipv6_add_addr+0x411/0x2000 [ 5053.343380][ T72] inet6_addr_add+0x30e/0xa40 [ 5053.343380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.343380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.343380][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.343380][ T72] netlink_unicast+0x449/0x710 [ 5053.343380][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.343380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.343380][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.343380][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.343380][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.343380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.343380][ T72] [ 5053.345428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5053.345428][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.345428][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.345428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.345428][ T72] ip6_route_add+0x1c/0x140 [ 5053.345428][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5053.345428][ T72] addrconf_add_dev+0xe2/0x170 [ 5053.345428][ T72] inet6_addr_add+0x12f/0xa40 [ 5053.345428][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.345428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.345428][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.345428][ T72] netlink_unicast+0x449/0x710 [ 5053.345428][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.345428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.345428][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.345428][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.345428][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.345428][ T72] [ 5053.347460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5053.347460][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5053.347460][ T72] ipv6_find_idev+0x102/0x170 [ 5053.347460][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.347460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.347460][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.347460][ T72] netlink_unicast+0x449/0x710 [ 5053.347460][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.347460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.347460][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.347460][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.347460][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.347460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.347460][ T72] [ 5053.349014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5053.349014][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5053.349014][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5053.349014][ T72] ipv6_find_idev+0x102/0x170 [ 5053.349014][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.349014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.349014][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.349014][ T72] netlink_unicast+0x449/0x710 [ 5053.349014][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.349014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.349014][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.349014][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.349014][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.349014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.349014][ T72] [ 5053.350748][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5053.351053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5053.351053][ T72] dst_init+0x84/0x4a0 [ 5053.351053][ T72] dst_alloc+0x97/0x150 [ 5053.351053][ T72] ip6_dst_alloc+0x23/0x90 [ 5053.351053][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5053.351053][ T72] ip6_pol_route+0x56f/0x840 [ 5053.351053][ T72] fib6_rule_lookup+0x456/0x630 [ 5053.351053][ T72] ip6_route_input+0x59c/0xa50 [ 5053.351053][ T72] ipv6_rcv+0x397/0x810 [ 5053.351053][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5053.351053][ T72] process_backlog+0x101/0x620 [ 5053.351053][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5053.351053][ T72] net_rx_action+0x495/0xbe0 [ 5053.351053][ T72] __do_softirq+0x1b5/0x7f6 [ 5053.351053][ T72] [ 5053.352715][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5053.352715][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.352715][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.352715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.352715][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5053.352715][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5053.352715][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5053.352715][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5053.352715][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5053.352715][ T72] addrconf_dad_begin+0x310/0x670 [ 5053.352715][ T72] addrconf_dad_work+0x10b/0xab0 [ 5053.352715][ T72] process_one_work+0x84d/0x18a0 [ 5053.352715][ T72] worker_thread+0x587/0xd30 [ 5053.352715][ T72] kthread+0x28a/0x350 [ 5053.352715][ T72] ret_from_fork+0x31/0x70 [ 5053.352715][ T72] ret_from_fork_asm+0x1a/0x30 [ 5053.352715][ T72] [ 5053.354755][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5053.354755][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.354755][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.354755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.354755][ T72] ip6_route_add+0x1c/0x140 [ 5053.354755][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5053.354755][ T72] inet6_addr_add+0x4f8/0xa40 [ 5053.354755][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.354755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.354755][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.354755][ T72] netlink_unicast+0x449/0x710 [ 5053.354755][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.354755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.354755][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.354755][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.354755][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.354755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.354755][ T72] [ 5053.356759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5053.356759][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.356759][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.356759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.356759][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5053.356759][ T72] ipv6_add_addr+0x411/0x2000 [ 5053.356759][ T72] inet6_addr_add+0x30e/0xa40 [ 5053.356759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.356759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.356759][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.356759][ T72] netlink_unicast+0x449/0x710 [ 5053.356759][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.356759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.356759][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.356759][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.356759][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.356759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.356759][ T72] [ 5053.359131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5053.359131][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.359131][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.359131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.359131][ T72] ip6_route_add+0x1c/0x140 [ 5053.359131][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5053.359131][ T72] addrconf_add_dev+0xe2/0x170 [ 5053.359131][ T72] inet6_addr_add+0x12f/0xa40 [ 5053.359131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.359131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.359131][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.359131][ T72] netlink_unicast+0x449/0x710 [ 5053.359131][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.359131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.359131][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.359131][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.359131][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.359131][ T72] [ 5053.361107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5053.361107][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5053.361107][ T72] ipv6_find_idev+0x102/0x170 [ 5053.361107][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.361107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.361107][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.361107][ T72] netlink_unicast+0x449/0x710 [ 5053.361107][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.361107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.361107][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.361107][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.361107][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.361107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.361107][ T72] [ 5053.362643][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5053.362643][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5053.362643][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5053.362643][ T72] ipv6_find_idev+0x102/0x170 [ 5053.362643][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.362643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.362643][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.362643][ T72] netlink_unicast+0x449/0x710 [ 5053.362643][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.362643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.362643][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.362643][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.362643][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.362643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.362643][ T72] [ 5053.364457][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5053.364734][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5053.364734][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5053.364734][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5053.364734][ T72] fib6_nh_init+0xa22/0x1580 [ 5053.364734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.364734][ T72] ip6_route_add+0x1c/0x140 [ 5053.364734][ T72] inet6_rtm_newroute+0x104/0x110 [ 5053.364734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.364734][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.364734][ T72] netlink_unicast+0x449/0x710 [ 5053.364734][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.364734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.364734][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.364734][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.364734][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.364734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.364734][ T72] [ 5053.366920][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5053.366920][ T72] dst_init+0x84/0x4a0 [ 5053.366920][ T72] dst_alloc+0x97/0x150 [ 5053.366920][ T72] ip6_dst_alloc+0x23/0x90 [ 5053.366920][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5053.366920][ T72] ip6_pol_route+0x56f/0x840 [ 5053.366920][ T72] fib6_rule_lookup+0x456/0x630 [ 5053.366920][ T72] ip6_route_input+0x59c/0xa50 [ 5053.366920][ T72] ipv6_rcv+0x397/0x810 [ 5053.366920][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5053.366920][ T72] process_backlog+0x101/0x620 [ 5053.366920][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5053.366920][ T72] net_rx_action+0x495/0xbe0 [ 5053.366920][ T72] __do_softirq+0x1b5/0x7f6 [ 5053.366920][ T72] [ 5053.368736][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5053.368736][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.368736][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.368736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.368736][ T72] ip6_route_add+0x1c/0x140 [ 5053.368736][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5053.368736][ T72] inet6_addr_add+0x4f8/0xa40 [ 5053.368736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.368736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.368736][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.368736][ T72] netlink_unicast+0x449/0x710 [ 5053.368736][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.368736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.368736][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.368736][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.368736][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.368736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.368736][ T72] [ 5053.370978][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5053.370978][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.370978][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.370978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.370978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5053.370978][ T72] ipv6_add_addr+0x411/0x2000 [ 5053.370978][ T72] inet6_addr_add+0x30e/0xa40 [ 5053.370978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.370978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.370978][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.370978][ T72] netlink_unicast+0x449/0x710 [ 5053.370978][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.370978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.370978][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.370978][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.370978][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.370978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.370978][ T72] [ 5053.373160][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5053.373160][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.373160][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.373160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.373160][ T72] ip6_route_add+0x1c/0x140 [ 5053.373160][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5053.373160][ T72] addrconf_add_dev+0xe2/0x170 [ 5053.373160][ T72] inet6_addr_add+0x12f/0xa40 [ 5053.373160][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.373160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.373160][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.373160][ T72] netlink_unicast+0x449/0x710 [ 5053.373160][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.373160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.373160][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.373160][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.373160][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.373160][ T72] [ 5053.375433][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5053.375433][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5053.375433][ T72] ipv6_find_idev+0x102/0x170 [ 5053.375433][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.375433][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.375433][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.375433][ T72] netlink_unicast+0x449/0x710 [ 5053.375433][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.375433][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.375433][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.375433][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.375433][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.375433][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.375433][ T72] [ 5053.377154][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5053.377154][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5053.377154][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5053.377154][ T72] ipv6_find_idev+0x102/0x170 [ 5053.377154][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.377154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.377154][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.377154][ T72] netlink_unicast+0x449/0x710 [ 5053.377154][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.377154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.377154][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.377154][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.377154][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.377154][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.377154][ T72] [ 5053.379036][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5053.379390][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5053.379390][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.379390][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.379390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.379390][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5053.379390][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5053.379390][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5053.379390][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5053.379390][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5053.379390][ T72] addrconf_dad_begin+0x310/0x670 [ 5053.379390][ T72] addrconf_dad_work+0x10b/0xab0 [ 5053.379390][ T72] process_one_work+0x84d/0x18a0 [ 5053.379390][ T72] worker_thread+0x587/0xd30 [ 5053.379390][ T72] kthread+0x28a/0x350 [ 5053.379390][ T72] ret_from_fork+0x31/0x70 [ 5053.379390][ T72] ret_from_fork_asm+0x1a/0x30 [ 5053.379390][ T72] [ 5053.381431][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5053.381431][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.381431][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.381431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.381431][ T72] ip6_route_add+0x1c/0x140 [ 5053.381431][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5053.381431][ T72] inet6_addr_add+0x4f8/0xa40 [ 5053.381431][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.381431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.381431][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.381431][ T72] netlink_unicast+0x449/0x710 [ 5053.381431][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.381431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.381431][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.381431][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.381431][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.381431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.381431][ T72] [ 5053.383682][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5053.383682][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.383682][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.383682][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.383682][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5053.383682][ T72] ipv6_add_addr+0x411/0x2000 [ 5053.383682][ T72] inet6_addr_add+0x30e/0xa40 [ 5053.383682][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.383682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.383682][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.383682][ T72] netlink_unicast+0x449/0x710 [ 5053.383682][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.383682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.383682][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.383682][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.383682][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.383682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.383682][ T72] [ 5053.385993][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5053.385993][ T72] netdev_get_by_index+0x5e/0x80 [ 5053.385993][ T72] fib6_nh_init+0x3d8/0x1580 [ 5053.385993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5053.385993][ T72] ip6_route_add+0x1c/0x140 [ 5053.385993][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5053.385993][ T72] addrconf_add_dev+0xe2/0x170 [ 5053.385993][ T72] inet6_addr_add+0x12f/0xa40 [ 5053.385993][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.385993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.385993][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.385993][ T72] netlink_unicast+0x449/0x710 [ 5053.385993][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.385993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.385993][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.385993][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.385993][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.385993][ T72] [ 5053.388209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5053.388209][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5053.388209][ T72] ipv6_find_idev+0x102/0x170 [ 5053.388209][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.388209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.388209][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.388209][ T72] netlink_unicast+0x449/0x710 [ 5053.388209][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.388209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.388209][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.388209][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.388209][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.388209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.388209][ T72] [ 5053.389931][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5053.389931][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5053.389931][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5053.389931][ T72] ipv6_find_idev+0x102/0x170 [ 5053.389931][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.389931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.389931][ T72] netlink_rcv_skb+0x130/0x360 [ 5053.389931][ T72] netlink_unicast+0x449/0x710 [ 5053.389931][ T72] netlink_sendmsg+0x723/0xbe0 [ 5053.389931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5053.389931][ T72] ___sys_sendmsg+0xee/0x170 [ 5053.389931][ T72] __sys_sendmsg+0xcd/0x170 [ 5053.389931][ T72] do_syscall_64+0xc6/0x1e0 [ 5053.389931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.389931][ T72] [ 5063.633022][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5063.633688][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5063.633688][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5063.633688][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5063.633688][ T72] fib6_nh_init+0xa22/0x1580 [ 5063.633688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.633688][ T72] ip6_route_add+0x1c/0x140 [ 5063.633688][ T72] inet6_rtm_newroute+0x104/0x110 [ 5063.633688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.633688][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.633688][ T72] netlink_unicast+0x449/0x710 [ 5063.633688][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.633688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.633688][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.633688][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.633688][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.633688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.633688][ T72] [ 5063.635655][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5063.635655][ T72] dst_init+0x84/0x4a0 [ 5063.635655][ T72] dst_alloc+0x97/0x150 [ 5063.635655][ T72] ip6_dst_alloc+0x23/0x90 [ 5063.635655][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5063.635655][ T72] ip6_pol_route+0x56f/0x840 [ 5063.635655][ T72] fib6_rule_lookup+0x456/0x630 [ 5063.635655][ T72] ip6_route_input+0x59c/0xa50 [ 5063.635655][ T72] ipv6_rcv+0x397/0x810 [ 5063.635655][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5063.635655][ T72] process_backlog+0x101/0x620 [ 5063.635655][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5063.635655][ T72] net_rx_action+0x495/0xbe0 [ 5063.635655][ T72] __do_softirq+0x1b5/0x7f6 [ 5063.635655][ T72] [ 5063.637899][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5063.637899][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.637899][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.637899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.637899][ T72] ip6_route_add+0x1c/0x140 [ 5063.637899][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5063.637899][ T72] inet6_addr_add+0x4f8/0xa40 [ 5063.637899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.637899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.637899][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.637899][ T72] netlink_unicast+0x449/0x710 [ 5063.637899][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.637899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.637899][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.637899][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.637899][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.637899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.637899][ T72] [ 5063.639939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5063.639939][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.639939][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.639939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.639939][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5063.639939][ T72] ipv6_add_addr+0x411/0x2000 [ 5063.639939][ T72] inet6_addr_add+0x30e/0xa40 [ 5063.639939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.639939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.639939][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.639939][ T72] netlink_unicast+0x449/0x710 [ 5063.639939][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.639939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.639939][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.639939][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.639939][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.639939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.639939][ T72] [ 5063.641944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5063.641944][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.641944][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.641944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.641944][ T72] ip6_route_add+0x1c/0x140 [ 5063.641944][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5063.641944][ T72] addrconf_add_dev+0xe2/0x170 [ 5063.641944][ T72] inet6_addr_add+0x12f/0xa40 [ 5063.641944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.641944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.641944][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.641944][ T72] netlink_unicast+0x449/0x710 [ 5063.641944][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.641944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.641944][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.641944][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.641944][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.641944][ T72] [ 5063.643929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5063.643929][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5063.643929][ T72] ipv6_find_idev+0x102/0x170 [ 5063.643929][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.643929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.643929][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.643929][ T72] netlink_unicast+0x449/0x710 [ 5063.643929][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.643929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.643929][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.643929][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.643929][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.643929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.643929][ T72] [ 5063.645486][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5063.645486][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5063.645486][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5063.645486][ T72] ipv6_find_idev+0x102/0x170 [ 5063.645486][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.645486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.645486][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.645486][ T72] netlink_unicast+0x449/0x710 [ 5063.645486][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.645486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.645486][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.645486][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.645486][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.645486][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.645486][ T72] [ 5063.647208][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5063.647478][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5063.647478][ T72] dst_init+0x84/0x4a0 [ 5063.647478][ T72] dst_alloc+0x97/0x150 [ 5063.647478][ T72] ip6_dst_alloc+0x23/0x90 [ 5063.647478][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5063.647478][ T72] ip6_pol_route+0x56f/0x840 [ 5063.647478][ T72] fib6_rule_lookup+0x456/0x630 [ 5063.647478][ T72] ip6_route_input+0x59c/0xa50 [ 5063.647478][ T72] ipv6_rcv+0x397/0x810 [ 5063.647478][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5063.647478][ T72] process_backlog+0x101/0x620 [ 5063.647478][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5063.647478][ T72] net_rx_action+0x495/0xbe0 [ 5063.647478][ T72] __do_softirq+0x1b5/0x7f6 [ 5063.647478][ T72] [ 5063.649131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5063.649131][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.649131][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.649131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.649131][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5063.649131][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5063.649131][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5063.649131][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5063.649131][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5063.649131][ T72] addrconf_dad_begin+0x310/0x670 [ 5063.649131][ T72] addrconf_dad_work+0x10b/0xab0 [ 5063.649131][ T72] process_one_work+0x84d/0x18a0 [ 5063.649131][ T72] worker_thread+0x587/0xd30 [ 5063.649131][ T72] kthread+0x28a/0x350 [ 5063.649131][ T72] ret_from_fork+0x31/0x70 [ 5063.649131][ T72] ret_from_fork_asm+0x1a/0x30 [ 5063.649131][ T72] [ 5063.651058][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5063.651058][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.651058][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.651058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.651058][ T72] ip6_route_add+0x1c/0x140 [ 5063.651058][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5063.651058][ T72] inet6_addr_add+0x4f8/0xa40 [ 5063.651058][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.651058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.651058][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.651058][ T72] netlink_unicast+0x449/0x710 [ 5063.651058][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.651058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.651058][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.651058][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.651058][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.651058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.651058][ T72] [ 5063.653073][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5063.653073][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.653073][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.653073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.653073][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5063.653073][ T72] ipv6_add_addr+0x411/0x2000 [ 5063.653073][ T72] inet6_addr_add+0x30e/0xa40 [ 5063.653073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.653073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.653073][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.653073][ T72] netlink_unicast+0x449/0x710 [ 5063.653073][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.653073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.653073][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.653073][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.653073][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.653073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.653073][ T72] [ 5063.655099][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5063.655099][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.655099][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.655099][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.655099][ T72] ip6_route_add+0x1c/0x140 [ 5063.655099][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5063.655099][ T72] addrconf_add_dev+0xe2/0x170 [ 5063.655099][ T72] inet6_addr_add+0x12f/0xa40 [ 5063.655099][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.655099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.655099][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.655099][ T72] netlink_unicast+0x449/0x710 [ 5063.655099][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.655099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.655099][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.655099][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.655099][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.655099][ T72] [ 5063.657068][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5063.657068][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5063.657068][ T72] ipv6_find_idev+0x102/0x170 [ 5063.657068][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.657068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.657068][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.657068][ T72] netlink_unicast+0x449/0x710 [ 5063.657068][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.657068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.657068][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.657068][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.657068][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.657068][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.657068][ T72] [ 5063.658612][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5063.658612][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5063.658612][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5063.658612][ T72] ipv6_find_idev+0x102/0x170 [ 5063.658612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.658612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.658612][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.658612][ T72] netlink_unicast+0x449/0x710 [ 5063.658612][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.658612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.658612][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.658612][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.658612][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.658612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.658612][ T72] [ 5063.660429][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5063.660698][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5063.660698][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5063.660698][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5063.660698][ T72] fib6_nh_init+0xa22/0x1580 [ 5063.660698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.660698][ T72] ip6_route_add+0x1c/0x140 [ 5063.660698][ T72] inet6_rtm_newroute+0x104/0x110 [ 5063.660698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.660698][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.660698][ T72] netlink_unicast+0x449/0x710 [ 5063.660698][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.660698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.660698][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.660698][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.660698][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.660698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.660698][ T72] [ 5063.662887][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5063.662887][ T72] dst_init+0x84/0x4a0 [ 5063.662887][ T72] dst_alloc+0x97/0x150 [ 5063.662887][ T72] ip6_dst_alloc+0x23/0x90 [ 5063.662887][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5063.662887][ T72] ip6_pol_route+0x56f/0x840 [ 5063.662887][ T72] fib6_rule_lookup+0x456/0x630 [ 5063.662887][ T72] ip6_route_input+0x59c/0xa50 [ 5063.662887][ T72] ipv6_rcv+0x397/0x810 [ 5063.662887][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5063.662887][ T72] process_backlog+0x101/0x620 [ 5063.662887][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5063.662887][ T72] net_rx_action+0x495/0xbe0 [ 5063.662887][ T72] __do_softirq+0x1b5/0x7f6 [ 5063.662887][ T72] [ 5063.664728][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5063.664728][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.664728][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.664728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.664728][ T72] ip6_route_add+0x1c/0x140 [ 5063.664728][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5063.664728][ T72] inet6_addr_add+0x4f8/0xa40 [ 5063.664728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.664728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.664728][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.664728][ T72] netlink_unicast+0x449/0x710 [ 5063.664728][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.664728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.664728][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.664728][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.664728][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.664728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.664728][ T72] [ 5063.666979][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5063.666979][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.666979][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.666979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.666979][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5063.666979][ T72] ipv6_add_addr+0x411/0x2000 [ 5063.666979][ T72] inet6_addr_add+0x30e/0xa40 [ 5063.666979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.666979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.666979][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.666979][ T72] netlink_unicast+0x449/0x710 [ 5063.666979][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.666979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.666979][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.666979][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.666979][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.666979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.666979][ T72] [ 5063.669171][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5063.669171][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.669171][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.669171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.669171][ T72] ip6_route_add+0x1c/0x140 [ 5063.669171][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5063.669171][ T72] addrconf_add_dev+0xe2/0x170 [ 5063.669171][ T72] inet6_addr_add+0x12f/0xa40 [ 5063.669171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.669171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.669171][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.669171][ T72] netlink_unicast+0x449/0x710 [ 5063.669171][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.669171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.669171][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.669171][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.669171][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.669171][ T72] [ 5063.671453][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5063.671453][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5063.671453][ T72] ipv6_find_idev+0x102/0x170 [ 5063.671453][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.671453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.671453][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.671453][ T72] netlink_unicast+0x449/0x710 [ 5063.671453][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.671453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.671453][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.671453][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.671453][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.671453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.671453][ T72] [ 5063.673178][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5063.673178][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5063.673178][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5063.673178][ T72] ipv6_find_idev+0x102/0x170 [ 5063.673178][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.673178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.673178][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.673178][ T72] netlink_unicast+0x449/0x710 [ 5063.673178][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.673178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.673178][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.673178][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.673178][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.673178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.673178][ T72] [ 5063.675063][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5063.675338][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5063.675338][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.675338][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.675338][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.675338][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5063.675338][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5063.675338][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5063.675338][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5063.675338][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5063.675338][ T72] addrconf_dad_begin+0x310/0x670 [ 5063.675338][ T72] addrconf_dad_work+0x10b/0xab0 [ 5063.675338][ T72] process_one_work+0x84d/0x18a0 [ 5063.675338][ T72] worker_thread+0x587/0xd30 [ 5063.675338][ T72] kthread+0x28a/0x350 [ 5063.675338][ T72] ret_from_fork+0x31/0x70 [ 5063.675338][ T72] ret_from_fork_asm+0x1a/0x30 [ 5063.675338][ T72] [ 5063.677421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5063.677421][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.677421][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.677421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.677421][ T72] ip6_route_add+0x1c/0x140 [ 5063.677421][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5063.677421][ T72] inet6_addr_add+0x4f8/0xa40 [ 5063.677421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.677421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.677421][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.677421][ T72] netlink_unicast+0x449/0x710 [ 5063.677421][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.677421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.677421][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.677421][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.677421][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.677421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.677421][ T72] [ 5063.679589][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5063.679589][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.679589][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.679589][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.679589][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5063.679589][ T72] ipv6_add_addr+0x411/0x2000 [ 5063.679589][ T72] inet6_addr_add+0x30e/0xa40 [ 5063.679589][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.679589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.679589][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.679589][ T72] netlink_unicast+0x449/0x710 [ 5063.679589][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.679589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.679589][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.679589][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.679589][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.679589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.679589][ T72] [ 5063.681821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5063.681821][ T72] netdev_get_by_index+0x5e/0x80 [ 5063.681821][ T72] fib6_nh_init+0x3d8/0x1580 [ 5063.681821][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5063.681821][ T72] ip6_route_add+0x1c/0x140 [ 5063.681821][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5063.681821][ T72] addrconf_add_dev+0xe2/0x170 [ 5063.681821][ T72] inet6_addr_add+0x12f/0xa40 [ 5063.681821][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.681821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.681821][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.681821][ T72] netlink_unicast+0x449/0x710 [ 5063.681821][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.681821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.681821][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.681821][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.681821][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.681821][ T72] [ 5063.683953][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5063.683953][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5063.683953][ T72] ipv6_find_idev+0x102/0x170 [ 5063.683953][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.683953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.683953][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.683953][ T72] netlink_unicast+0x449/0x710 [ 5063.683953][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.683953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.683953][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.683953][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.683953][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.683953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.683953][ T72] [ 5063.685588][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5063.685588][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5063.685588][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5063.685588][ T72] ipv6_find_idev+0x102/0x170 [ 5063.685588][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.685588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.685588][ T72] netlink_rcv_skb+0x130/0x360 [ 5063.685588][ T72] netlink_unicast+0x449/0x710 [ 5063.685588][ T72] netlink_sendmsg+0x723/0xbe0 [ 5063.685588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5063.685588][ T72] ___sys_sendmsg+0xee/0x170 [ 5063.685588][ T72] __sys_sendmsg+0xcd/0x170 [ 5063.685588][ T72] do_syscall_64+0xc6/0x1e0 [ 5063.685588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.685588][ T72] [ 5073.696971][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5073.697371][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5073.697371][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5073.697371][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5073.697371][ T72] fib6_nh_init+0xa22/0x1580 [ 5073.697371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.697371][ T72] ip6_route_add+0x1c/0x140 [ 5073.697371][ T72] inet6_rtm_newroute+0x104/0x110 [ 5073.697371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.697371][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.697371][ T72] netlink_unicast+0x449/0x710 [ 5073.697371][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.697371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.697371][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.697371][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.697371][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.697371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.697371][ T72] [ 5073.699276][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5073.699276][ T72] dst_init+0x84/0x4a0 [ 5073.699276][ T72] dst_alloc+0x97/0x150 [ 5073.699276][ T72] ip6_dst_alloc+0x23/0x90 [ 5073.699276][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5073.699276][ T72] ip6_pol_route+0x56f/0x840 [ 5073.699276][ T72] fib6_rule_lookup+0x456/0x630 [ 5073.699276][ T72] ip6_route_input+0x59c/0xa50 [ 5073.699276][ T72] ipv6_rcv+0x397/0x810 [ 5073.699276][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5073.699276][ T72] process_backlog+0x101/0x620 [ 5073.699276][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5073.699276][ T72] net_rx_action+0x495/0xbe0 [ 5073.699276][ T72] __do_softirq+0x1b5/0x7f6 [ 5073.699276][ T72] [ 5073.700920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5073.700920][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.700920][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.700920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.700920][ T72] ip6_route_add+0x1c/0x140 [ 5073.700920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5073.700920][ T72] inet6_addr_add+0x4f8/0xa40 [ 5073.700920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.700920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.700920][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.700920][ T72] netlink_unicast+0x449/0x710 [ 5073.700920][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.700920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.700920][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.700920][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.700920][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.700920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.700920][ T72] [ 5073.702929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5073.702929][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.702929][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.702929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.702929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5073.702929][ T72] ipv6_add_addr+0x411/0x2000 [ 5073.702929][ T72] inet6_addr_add+0x30e/0xa40 [ 5073.702929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.702929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.702929][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.702929][ T72] netlink_unicast+0x449/0x710 [ 5073.702929][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.702929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.702929][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.702929][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.702929][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.702929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.702929][ T72] [ 5073.705080][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5073.705080][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.705080][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.705080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.705080][ T72] ip6_route_add+0x1c/0x140 [ 5073.705080][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5073.705080][ T72] addrconf_add_dev+0xe2/0x170 [ 5073.705080][ T72] inet6_addr_add+0x12f/0xa40 [ 5073.705080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.705080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.705080][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.705080][ T72] netlink_unicast+0x449/0x710 [ 5073.705080][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.705080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.705080][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.705080][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.705080][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.705080][ T72] [ 5073.707061][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5073.707061][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5073.707061][ T72] ipv6_find_idev+0x102/0x170 [ 5073.707061][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.707061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.707061][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.707061][ T72] netlink_unicast+0x449/0x710 [ 5073.707061][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.707061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.707061][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.707061][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.707061][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.707061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.707061][ T72] [ 5073.708606][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5073.708606][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5073.708606][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5073.708606][ T72] ipv6_find_idev+0x102/0x170 [ 5073.708606][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.708606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.708606][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.708606][ T72] netlink_unicast+0x449/0x710 [ 5073.708606][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.708606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.708606][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.708606][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.708606][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.708606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.708606][ T72] [ 5073.710352][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5073.710629][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5073.710629][ T72] dst_init+0x84/0x4a0 [ 5073.710629][ T72] dst_alloc+0x97/0x150 [ 5073.710629][ T72] ip6_dst_alloc+0x23/0x90 [ 5073.710629][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5073.710629][ T72] ip6_pol_route+0x56f/0x840 [ 5073.710629][ T72] fib6_rule_lookup+0x456/0x630 [ 5073.710629][ T72] ip6_route_input+0x59c/0xa50 [ 5073.710629][ T72] ipv6_rcv+0x397/0x810 [ 5073.710629][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5073.710629][ T72] process_backlog+0x101/0x620 [ 5073.710629][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5073.710629][ T72] net_rx_action+0x495/0xbe0 [ 5073.710629][ T72] __do_softirq+0x1b5/0x7f6 [ 5073.710629][ T72] [ 5073.712274][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5073.712274][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.712274][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.712274][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.712274][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5073.712274][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5073.712274][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5073.712274][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5073.712274][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5073.712274][ T72] addrconf_dad_begin+0x310/0x670 [ 5073.712274][ T72] addrconf_dad_work+0x10b/0xab0 [ 5073.712274][ T72] process_one_work+0x84d/0x18a0 [ 5073.712274][ T72] worker_thread+0x587/0xd30 [ 5073.712274][ T72] kthread+0x28a/0x350 [ 5073.712274][ T72] ret_from_fork+0x31/0x70 [ 5073.712274][ T72] ret_from_fork_asm+0x1a/0x30 [ 5073.712274][ T72] [ 5073.714191][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5073.714191][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.714191][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.714191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.714191][ T72] ip6_route_add+0x1c/0x140 [ 5073.714191][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5073.714191][ T72] inet6_addr_add+0x4f8/0xa40 [ 5073.714191][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.714191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.714191][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.714191][ T72] netlink_unicast+0x449/0x710 [ 5073.714191][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.714191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.714191][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.714191][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.714191][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.714191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.714191][ T72] [ 5073.716198][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5073.716198][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.716198][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.716198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.716198][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5073.716198][ T72] ipv6_add_addr+0x411/0x2000 [ 5073.716198][ T72] inet6_addr_add+0x30e/0xa40 [ 5073.716198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.716198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.716198][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.716198][ T72] netlink_unicast+0x449/0x710 [ 5073.716198][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.716198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.716198][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.716198][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.716198][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.716198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.716198][ T72] [ 5073.718198][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5073.718198][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.718198][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.718198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.718198][ T72] ip6_route_add+0x1c/0x140 [ 5073.718198][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5073.718198][ T72] addrconf_add_dev+0xe2/0x170 [ 5073.718198][ T72] inet6_addr_add+0x12f/0xa40 [ 5073.718198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.718198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.718198][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.718198][ T72] netlink_unicast+0x449/0x710 [ 5073.718198][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.718198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.718198][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.718198][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.718198][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.718198][ T72] [ 5073.720162][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5073.720162][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5073.720162][ T72] ipv6_find_idev+0x102/0x170 [ 5073.720162][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.720162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.720162][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.720162][ T72] netlink_unicast+0x449/0x710 [ 5073.720162][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.720162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.720162][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.720162][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.720162][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.720162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.720162][ T72] [ 5073.721703][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5073.721703][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5073.721703][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5073.721703][ T72] ipv6_find_idev+0x102/0x170 [ 5073.721703][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.721703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.721703][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.721703][ T72] netlink_unicast+0x449/0x710 [ 5073.721703][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.721703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.721703][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.721703][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.721703][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.721703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.721703][ T72] [ 5073.723515][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5073.723799][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5073.723799][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5073.723799][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5073.723799][ T72] fib6_nh_init+0xa22/0x1580 [ 5073.723799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.723799][ T72] ip6_route_add+0x1c/0x140 [ 5073.723799][ T72] inet6_rtm_newroute+0x104/0x110 [ 5073.723799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.723799][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.723799][ T72] netlink_unicast+0x449/0x710 [ 5073.723799][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.723799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.723799][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.723799][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.723799][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.723799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.723799][ T72] [ 5073.725936][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5073.725936][ T72] dst_init+0x84/0x4a0 [ 5073.725936][ T72] dst_alloc+0x97/0x150 [ 5073.725936][ T72] ip6_dst_alloc+0x23/0x90 [ 5073.725936][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5073.725936][ T72] ip6_pol_route+0x56f/0x840 [ 5073.725936][ T72] fib6_rule_lookup+0x456/0x630 [ 5073.725936][ T72] ip6_route_input+0x59c/0xa50 [ 5073.725936][ T72] ipv6_rcv+0x397/0x810 [ 5073.725936][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5073.725936][ T72] process_backlog+0x101/0x620 [ 5073.725936][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5073.725936][ T72] net_rx_action+0x495/0xbe0 [ 5073.725936][ T72] __do_softirq+0x1b5/0x7f6 [ 5073.725936][ T72] [ 5073.727760][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5073.727760][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.727760][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.727760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.727760][ T72] ip6_route_add+0x1c/0x140 [ 5073.727760][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5073.727760][ T72] inet6_addr_add+0x4f8/0xa40 [ 5073.727760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.727760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.727760][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.727760][ T72] netlink_unicast+0x449/0x710 [ 5073.727760][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.727760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.727760][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.727760][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.727760][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.727760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.727760][ T72] [ 5073.730071][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5073.730071][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.730071][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.730071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.730071][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5073.730071][ T72] ipv6_add_addr+0x411/0x2000 [ 5073.730071][ T72] inet6_addr_add+0x30e/0xa40 [ 5073.730071][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.730071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.730071][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.730071][ T72] netlink_unicast+0x449/0x710 [ 5073.730071][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.730071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.730071][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.730071][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.730071][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.730071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.730071][ T72] [ 5073.732262][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5073.732262][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.732262][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.732262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.732262][ T72] ip6_route_add+0x1c/0x140 [ 5073.732262][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5073.732262][ T72] addrconf_add_dev+0xe2/0x170 [ 5073.732262][ T72] inet6_addr_add+0x12f/0xa40 [ 5073.732262][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.732262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.732262][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.732262][ T72] netlink_unicast+0x449/0x710 [ 5073.732262][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.732262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.732262][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.732262][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.732262][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.732262][ T72] [ 5073.734493][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5073.734493][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5073.734493][ T72] ipv6_find_idev+0x102/0x170 [ 5073.734493][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.734493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.734493][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.734493][ T72] netlink_unicast+0x449/0x710 [ 5073.734493][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.734493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.734493][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.734493][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.734493][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.734493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.734493][ T72] [ 5073.736219][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5073.736219][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5073.736219][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5073.736219][ T72] ipv6_find_idev+0x102/0x170 [ 5073.736219][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.736219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.736219][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.736219][ T72] netlink_unicast+0x449/0x710 [ 5073.736219][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.736219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.736219][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.736219][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.736219][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.736219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.736219][ T72] [ 5073.738101][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5073.738462][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5073.738462][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.738462][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.738462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.738462][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5073.738462][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5073.738462][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5073.738462][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5073.738462][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5073.738462][ T72] addrconf_dad_begin+0x310/0x670 [ 5073.738462][ T72] addrconf_dad_work+0x10b/0xab0 [ 5073.738462][ T72] process_one_work+0x84d/0x18a0 [ 5073.738462][ T72] worker_thread+0x587/0xd30 [ 5073.738462][ T72] kthread+0x28a/0x350 [ 5073.738462][ T72] ret_from_fork+0x31/0x70 [ 5073.738462][ T72] ret_from_fork_asm+0x1a/0x30 [ 5073.738462][ T72] [ 5073.740503][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5073.740503][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.740503][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.740503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.740503][ T72] ip6_route_add+0x1c/0x140 [ 5073.740503][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5073.740503][ T72] inet6_addr_add+0x4f8/0xa40 [ 5073.740503][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.740503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.740503][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.740503][ T72] netlink_unicast+0x449/0x710 [ 5073.740503][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.740503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.740503][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.740503][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.740503][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.740503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.740503][ T72] [ 5073.742737][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5073.742737][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.742737][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.742737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.742737][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5073.742737][ T72] ipv6_add_addr+0x411/0x2000 [ 5073.742737][ T72] inet6_addr_add+0x30e/0xa40 [ 5073.742737][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.742737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.742737][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.742737][ T72] netlink_unicast+0x449/0x710 [ 5073.742737][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.742737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.742737][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.742737][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.742737][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.742737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.742737][ T72] [ 5073.744990][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5073.744990][ T72] netdev_get_by_index+0x5e/0x80 [ 5073.744990][ T72] fib6_nh_init+0x3d8/0x1580 [ 5073.744990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5073.744990][ T72] ip6_route_add+0x1c/0x140 [ 5073.744990][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5073.744990][ T72] addrconf_add_dev+0xe2/0x170 [ 5073.744990][ T72] inet6_addr_add+0x12f/0xa40 [ 5073.744990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.744990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.744990][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.744990][ T72] netlink_unicast+0x449/0x710 [ 5073.744990][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.744990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.744990][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.744990][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.744990][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.744990][ T72] [ 5073.747216][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5073.747216][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5073.747216][ T72] ipv6_find_idev+0x102/0x170 [ 5073.747216][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.747216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.747216][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.747216][ T72] netlink_unicast+0x449/0x710 [ 5073.747216][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.747216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.747216][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.747216][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.747216][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.747216][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.747216][ T72] [ 5073.749001][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5073.749001][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5073.749001][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5073.749001][ T72] ipv6_find_idev+0x102/0x170 [ 5073.749001][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.749001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.749001][ T72] netlink_rcv_skb+0x130/0x360 [ 5073.749001][ T72] netlink_unicast+0x449/0x710 [ 5073.749001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5073.749001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5073.749001][ T72] ___sys_sendmsg+0xee/0x170 [ 5073.749001][ T72] __sys_sendmsg+0xcd/0x170 [ 5073.749001][ T72] do_syscall_64+0xc6/0x1e0 [ 5073.749001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.749001][ T72] [ 5084.000912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5084.001370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5084.001370][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5084.001370][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5084.001370][ T72] fib6_nh_init+0xa22/0x1580 [ 5084.001370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.001370][ T72] ip6_route_add+0x1c/0x140 [ 5084.001370][ T72] inet6_rtm_newroute+0x104/0x110 [ 5084.001370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.001370][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.001370][ T72] netlink_unicast+0x449/0x710 [ 5084.001370][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.001370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.001370][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.001370][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.001370][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.001370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.001370][ T72] [ 5084.003284][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5084.003284][ T72] dst_init+0x84/0x4a0 [ 5084.003284][ T72] dst_alloc+0x97/0x150 [ 5084.003284][ T72] ip6_dst_alloc+0x23/0x90 [ 5084.003284][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5084.003284][ T72] ip6_pol_route+0x56f/0x840 [ 5084.003284][ T72] fib6_rule_lookup+0x456/0x630 [ 5084.003284][ T72] ip6_route_input+0x59c/0xa50 [ 5084.003284][ T72] ipv6_rcv+0x397/0x810 [ 5084.003284][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5084.003284][ T72] process_backlog+0x101/0x620 [ 5084.003284][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5084.003284][ T72] net_rx_action+0x495/0xbe0 [ 5084.003284][ T72] __do_softirq+0x1b5/0x7f6 [ 5084.003284][ T72] [ 5084.004950][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5084.004950][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.004950][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.004950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.004950][ T72] ip6_route_add+0x1c/0x140 [ 5084.004950][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5084.004950][ T72] inet6_addr_add+0x4f8/0xa40 [ 5084.004950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.004950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.004950][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.004950][ T72] netlink_unicast+0x449/0x710 [ 5084.004950][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.004950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.004950][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.004950][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.004950][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.004950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.004950][ T72] [ 5084.006958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5084.006958][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.006958][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.006958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.006958][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5084.006958][ T72] ipv6_add_addr+0x411/0x2000 [ 5084.006958][ T72] inet6_addr_add+0x30e/0xa40 [ 5084.006958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.006958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.006958][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.006958][ T72] netlink_unicast+0x449/0x710 [ 5084.006958][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.006958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.006958][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.006958][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.006958][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.006958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.006958][ T72] [ 5084.008976][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5084.008976][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.008976][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.008976][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.008976][ T72] ip6_route_add+0x1c/0x140 [ 5084.008976][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5084.008976][ T72] addrconf_add_dev+0xe2/0x170 [ 5084.008976][ T72] inet6_addr_add+0x12f/0xa40 [ 5084.008976][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.008976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.008976][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.008976][ T72] netlink_unicast+0x449/0x710 [ 5084.008976][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.008976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.008976][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.008976][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.008976][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.008976][ T72] [ 5084.010948][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5084.010948][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5084.010948][ T72] ipv6_find_idev+0x102/0x170 [ 5084.010948][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.010948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.010948][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.010948][ T72] netlink_unicast+0x449/0x710 [ 5084.010948][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.010948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.010948][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.010948][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.010948][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.010948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.010948][ T72] [ 5084.012495][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5084.012495][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5084.012495][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5084.012495][ T72] ipv6_find_idev+0x102/0x170 [ 5084.012495][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.012495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.012495][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.012495][ T72] netlink_unicast+0x449/0x710 [ 5084.012495][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.012495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.012495][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.012495][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.012495][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.012495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.012495][ T72] [ 5084.014202][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5084.014475][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5084.014475][ T72] dst_init+0x84/0x4a0 [ 5084.014475][ T72] dst_alloc+0x97/0x150 [ 5084.014475][ T72] ip6_dst_alloc+0x23/0x90 [ 5084.014475][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5084.014475][ T72] ip6_pol_route+0x56f/0x840 [ 5084.014475][ T72] fib6_rule_lookup+0x456/0x630 [ 5084.014475][ T72] ip6_route_input+0x59c/0xa50 [ 5084.014475][ T72] ipv6_rcv+0x397/0x810 [ 5084.014475][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5084.014475][ T72] process_backlog+0x101/0x620 [ 5084.014475][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5084.014475][ T72] net_rx_action+0x495/0xbe0 [ 5084.014475][ T72] __do_softirq+0x1b5/0x7f6 [ 5084.014475][ T72] [ 5084.016123][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5084.016123][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.016123][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.016123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.016123][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5084.016123][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5084.016123][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5084.016123][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5084.016123][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5084.016123][ T72] addrconf_dad_begin+0x310/0x670 [ 5084.016123][ T72] addrconf_dad_work+0x10b/0xab0 [ 5084.016123][ T72] process_one_work+0x84d/0x18a0 [ 5084.016123][ T72] worker_thread+0x587/0xd30 [ 5084.016123][ T72] kthread+0x28a/0x350 [ 5084.016123][ T72] ret_from_fork+0x31/0x70 [ 5084.016123][ T72] ret_from_fork_asm+0x1a/0x30 [ 5084.016123][ T72] [ 5084.018039][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5084.018039][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.018039][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.018039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.018039][ T72] ip6_route_add+0x1c/0x140 [ 5084.018039][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5084.018039][ T72] inet6_addr_add+0x4f8/0xa40 [ 5084.018039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.018039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.018039][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.018039][ T72] netlink_unicast+0x449/0x710 [ 5084.018039][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.018039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.018039][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.018039][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.018039][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.018039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.018039][ T72] [ 5084.020050][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5084.020050][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.020050][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.020050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.020050][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5084.020050][ T72] ipv6_add_addr+0x411/0x2000 [ 5084.020050][ T72] inet6_addr_add+0x30e/0xa40 [ 5084.020050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.020050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.020050][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.020050][ T72] netlink_unicast+0x449/0x710 [ 5084.020050][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.020050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.020050][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.020050][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.020050][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.020050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.020050][ T72] [ 5084.022051][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5084.022051][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.022051][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.022051][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.022051][ T72] ip6_route_add+0x1c/0x140 [ 5084.022051][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5084.022051][ T72] addrconf_add_dev+0xe2/0x170 [ 5084.022051][ T72] inet6_addr_add+0x12f/0xa40 [ 5084.022051][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.022051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.022051][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.022051][ T72] netlink_unicast+0x449/0x710 [ 5084.022051][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.022051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.022051][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.022051][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.022051][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.022051][ T72] [ 5084.024013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5084.024013][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5084.024013][ T72] ipv6_find_idev+0x102/0x170 [ 5084.024013][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.024013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.024013][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.024013][ T72] netlink_unicast+0x449/0x710 [ 5084.024013][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.024013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.024013][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.024013][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.024013][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.024013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.024013][ T72] [ 5084.025561][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5084.025561][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5084.025561][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5084.025561][ T72] ipv6_find_idev+0x102/0x170 [ 5084.025561][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.025561][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.025561][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.025561][ T72] netlink_unicast+0x449/0x710 [ 5084.025561][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.025561][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.025561][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.025561][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.025561][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.025561][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.025561][ T72] [ 5084.027378][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5084.027651][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5084.027651][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5084.027651][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5084.027651][ T72] fib6_nh_init+0xa22/0x1580 [ 5084.027651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.027651][ T72] ip6_route_add+0x1c/0x140 [ 5084.027651][ T72] inet6_rtm_newroute+0x104/0x110 [ 5084.027651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.027651][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.027651][ T72] netlink_unicast+0x449/0x710 [ 5084.027651][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.027651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.027651][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.027651][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.027651][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.027651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.027651][ T72] [ 5084.029841][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5084.029841][ T72] dst_init+0x84/0x4a0 [ 5084.029841][ T72] dst_alloc+0x97/0x150 [ 5084.029841][ T72] ip6_dst_alloc+0x23/0x90 [ 5084.029841][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5084.029841][ T72] ip6_pol_route+0x56f/0x840 [ 5084.029841][ T72] fib6_rule_lookup+0x456/0x630 [ 5084.029841][ T72] ip6_route_input+0x59c/0xa50 [ 5084.029841][ T72] ipv6_rcv+0x397/0x810 [ 5084.029841][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5084.029841][ T72] process_backlog+0x101/0x620 [ 5084.029841][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5084.029841][ T72] net_rx_action+0x495/0xbe0 [ 5084.029841][ T72] __do_softirq+0x1b5/0x7f6 [ 5084.029841][ T72] [ 5084.031661][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5084.031661][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.031661][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.031661][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.031661][ T72] ip6_route_add+0x1c/0x140 [ 5084.031661][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5084.031661][ T72] inet6_addr_add+0x4f8/0xa40 [ 5084.031661][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.031661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.031661][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.031661][ T72] netlink_unicast+0x449/0x710 [ 5084.031661][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.031661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.031661][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.031661][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.031661][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.031661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.031661][ T72] [ 5084.033912][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5084.033912][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.033912][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.033912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.033912][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5084.033912][ T72] ipv6_add_addr+0x411/0x2000 [ 5084.033912][ T72] inet6_addr_add+0x30e/0xa40 [ 5084.033912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.033912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.033912][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.033912][ T72] netlink_unicast+0x449/0x710 [ 5084.033912][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.033912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.033912][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.033912][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.033912][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.033912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.033912][ T72] [ 5084.036103][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5084.036103][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.036103][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.036103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.036103][ T72] ip6_route_add+0x1c/0x140 [ 5084.036103][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5084.036103][ T72] addrconf_add_dev+0xe2/0x170 [ 5084.036103][ T72] inet6_addr_add+0x12f/0xa40 [ 5084.036103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.036103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.036103][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.036103][ T72] netlink_unicast+0x449/0x710 [ 5084.036103][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.036103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.036103][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.036103][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.036103][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.036103][ T72] [ 5084.038372][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5084.038372][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5084.038372][ T72] ipv6_find_idev+0x102/0x170 [ 5084.038372][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.038372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.038372][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.038372][ T72] netlink_unicast+0x449/0x710 [ 5084.038372][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.038372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.038372][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.038372][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.038372][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.038372][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.038372][ T72] [ 5084.040101][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5084.040101][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5084.040101][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5084.040101][ T72] ipv6_find_idev+0x102/0x170 [ 5084.040101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.040101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.040101][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.040101][ T72] netlink_unicast+0x449/0x710 [ 5084.040101][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.040101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.040101][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.040101][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.040101][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.040101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.040101][ T72] [ 5084.041983][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5084.042321][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5084.042321][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.042321][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.042321][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.042321][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5084.042321][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5084.042321][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5084.042321][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5084.042321][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5084.042321][ T72] addrconf_dad_begin+0x310/0x670 [ 5084.042321][ T72] addrconf_dad_work+0x10b/0xab0 [ 5084.042321][ T72] process_one_work+0x84d/0x18a0 [ 5084.042321][ T72] worker_thread+0x587/0xd30 [ 5084.042321][ T72] kthread+0x28a/0x350 [ 5084.042321][ T72] ret_from_fork+0x31/0x70 [ 5084.042321][ T72] ret_from_fork_asm+0x1a/0x30 [ 5084.042321][ T72] [ 5084.044421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5084.044421][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.044421][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.044421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.044421][ T72] ip6_route_add+0x1c/0x140 [ 5084.044421][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5084.044421][ T72] inet6_addr_add+0x4f8/0xa40 [ 5084.044421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.044421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.044421][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.044421][ T72] netlink_unicast+0x449/0x710 [ 5084.044421][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.044421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.044421][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.044421][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.044421][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.044421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.044421][ T72] [ 5084.046676][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5084.046676][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.046676][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.046676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.046676][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5084.046676][ T72] ipv6_add_addr+0x411/0x2000 [ 5084.046676][ T72] inet6_addr_add+0x30e/0xa40 [ 5084.046676][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.046676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.046676][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.046676][ T72] netlink_unicast+0x449/0x710 [ 5084.046676][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.046676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.046676][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.046676][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.046676][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.046676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.046676][ T72] [ 5084.048982][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5084.048982][ T72] netdev_get_by_index+0x5e/0x80 [ 5084.048982][ T72] fib6_nh_init+0x3d8/0x1580 [ 5084.048982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5084.048982][ T72] ip6_route_add+0x1c/0x140 [ 5084.048982][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5084.048982][ T72] addrconf_add_dev+0xe2/0x170 [ 5084.048982][ T72] inet6_addr_add+0x12f/0xa40 [ 5084.048982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.048982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.048982][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.048982][ T72] netlink_unicast+0x449/0x710 [ 5084.048982][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.048982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.048982][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.048982][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.048982][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.048982][ T72] [ 5084.051193][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5084.051193][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5084.051193][ T72] ipv6_find_idev+0x102/0x170 [ 5084.051193][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.051193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.051193][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.051193][ T72] netlink_unicast+0x449/0x710 [ 5084.051193][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.051193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.051193][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.051193][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.051193][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.051193][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.051193][ T72] [ 5084.052926][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5084.052926][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5084.052926][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5084.052926][ T72] ipv6_find_idev+0x102/0x170 [ 5084.052926][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.052926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.052926][ T72] netlink_rcv_skb+0x130/0x360 [ 5084.052926][ T72] netlink_unicast+0x449/0x710 [ 5084.052926][ T72] netlink_sendmsg+0x723/0xbe0 [ 5084.052926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5084.052926][ T72] ___sys_sendmsg+0xee/0x170 [ 5084.052926][ T72] __sys_sendmsg+0xcd/0x170 [ 5084.052926][ T72] do_syscall_64+0xc6/0x1e0 [ 5084.052926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.052926][ T72] [ 5094.296989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5094.297601][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5094.297601][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5094.297601][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5094.297601][ T72] fib6_nh_init+0xa22/0x1580 [ 5094.297601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.297601][ T72] ip6_route_add+0x1c/0x140 [ 5094.297601][ T72] inet6_rtm_newroute+0x104/0x110 [ 5094.297601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.297601][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.297601][ T72] netlink_unicast+0x449/0x710 [ 5094.297601][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.297601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.297601][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.297601][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.297601][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.297601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.297601][ T72] [ 5094.299529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5094.299529][ T72] dst_init+0x84/0x4a0 [ 5094.299529][ T72] dst_alloc+0x97/0x150 [ 5094.299529][ T72] ip6_dst_alloc+0x23/0x90 [ 5094.299529][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5094.299529][ T72] ip6_pol_route+0x56f/0x840 [ 5094.299529][ T72] fib6_rule_lookup+0x456/0x630 [ 5094.299529][ T72] ip6_route_input+0x59c/0xa50 [ 5094.299529][ T72] ipv6_rcv+0x397/0x810 [ 5094.299529][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5094.299529][ T72] process_backlog+0x101/0x620 [ 5094.299529][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5094.299529][ T72] net_rx_action+0x495/0xbe0 [ 5094.299529][ T72] __do_softirq+0x1b5/0x7f6 [ 5094.299529][ T72] [ 5094.301178][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5094.301178][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.301178][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.301178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.301178][ T72] ip6_route_add+0x1c/0x140 [ 5094.301178][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5094.301178][ T72] inet6_addr_add+0x4f8/0xa40 [ 5094.301178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.301178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.301178][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.301178][ T72] netlink_unicast+0x449/0x710 [ 5094.301178][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.301178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.301178][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.301178][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.301178][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.301178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.301178][ T72] [ 5094.303208][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5094.303208][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.303208][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.303208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.303208][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5094.303208][ T72] ipv6_add_addr+0x411/0x2000 [ 5094.303208][ T72] inet6_addr_add+0x30e/0xa40 [ 5094.303208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.303208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.303208][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.303208][ T72] netlink_unicast+0x449/0x710 [ 5094.303208][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.303208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.303208][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.303208][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.303208][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.303208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.303208][ T72] [ 5094.305222][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5094.305222][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.305222][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.305222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.305222][ T72] ip6_route_add+0x1c/0x140 [ 5094.305222][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5094.305222][ T72] addrconf_add_dev+0xe2/0x170 [ 5094.305222][ T72] inet6_addr_add+0x12f/0xa40 [ 5094.305222][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.305222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.305222][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.305222][ T72] netlink_unicast+0x449/0x710 [ 5094.305222][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.305222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.305222][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.305222][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.305222][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.305222][ T72] [ 5094.307199][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5094.307199][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5094.307199][ T72] ipv6_find_idev+0x102/0x170 [ 5094.307199][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.307199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.307199][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.307199][ T72] netlink_unicast+0x449/0x710 [ 5094.307199][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.307199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.307199][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.307199][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.307199][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.307199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.307199][ T72] [ 5094.308744][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5094.308744][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5094.308744][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5094.308744][ T72] ipv6_find_idev+0x102/0x170 [ 5094.308744][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.308744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.308744][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.308744][ T72] netlink_unicast+0x449/0x710 [ 5094.308744][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.308744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.308744][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.308744][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.308744][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.308744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.308744][ T72] [ 5094.310452][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5094.310725][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5094.310725][ T72] dst_init+0x84/0x4a0 [ 5094.310725][ T72] dst_alloc+0x97/0x150 [ 5094.310725][ T72] ip6_dst_alloc+0x23/0x90 [ 5094.310725][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5094.310725][ T72] ip6_pol_route+0x56f/0x840 [ 5094.310725][ T72] fib6_rule_lookup+0x456/0x630 [ 5094.310725][ T72] ip6_route_input+0x59c/0xa50 [ 5094.310725][ T72] ipv6_rcv+0x397/0x810 [ 5094.310725][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5094.310725][ T72] process_backlog+0x101/0x620 [ 5094.310725][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5094.310725][ T72] net_rx_action+0x495/0xbe0 [ 5094.310725][ T72] __do_softirq+0x1b5/0x7f6 [ 5094.310725][ T72] [ 5094.312388][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5094.312388][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.312388][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.312388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.312388][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5094.312388][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5094.312388][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5094.312388][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5094.312388][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5094.312388][ T72] addrconf_dad_begin+0x310/0x670 [ 5094.312388][ T72] addrconf_dad_work+0x10b/0xab0 [ 5094.312388][ T72] process_one_work+0x84d/0x18a0 [ 5094.312388][ T72] worker_thread+0x587/0xd30 [ 5094.312388][ T72] kthread+0x28a/0x350 [ 5094.312388][ T72] ret_from_fork+0x31/0x70 [ 5094.312388][ T72] ret_from_fork_asm+0x1a/0x30 [ 5094.312388][ T72] [ 5094.314306][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5094.314306][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.314306][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.314306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.314306][ T72] ip6_route_add+0x1c/0x140 [ 5094.314306][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5094.314306][ T72] inet6_addr_add+0x4f8/0xa40 [ 5094.314306][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.314306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.314306][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.314306][ T72] netlink_unicast+0x449/0x710 [ 5094.314306][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.314306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.314306][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.314306][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.314306][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.314306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.314306][ T72] [ 5094.316319][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5094.316319][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.316319][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.316319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.316319][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5094.316319][ T72] ipv6_add_addr+0x411/0x2000 [ 5094.316319][ T72] inet6_addr_add+0x30e/0xa40 [ 5094.316319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.316319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.316319][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.316319][ T72] netlink_unicast+0x449/0x710 [ 5094.316319][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.316319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.316319][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.316319][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.316319][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.316319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.316319][ T72] [ 5094.318319][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5094.318319][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.318319][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.318319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.318319][ T72] ip6_route_add+0x1c/0x140 [ 5094.318319][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5094.318319][ T72] addrconf_add_dev+0xe2/0x170 [ 5094.318319][ T72] inet6_addr_add+0x12f/0xa40 [ 5094.318319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.318319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.318319][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.318319][ T72] netlink_unicast+0x449/0x710 [ 5094.318319][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.318319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.318319][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.318319][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.318319][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.318319][ T72] [ 5094.320279][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5094.320279][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5094.320279][ T72] ipv6_find_idev+0x102/0x170 [ 5094.320279][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.320279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.320279][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.320279][ T72] netlink_unicast+0x449/0x710 [ 5094.320279][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.320279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.320279][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.320279][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.320279][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.320279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.320279][ T72] [ 5094.321816][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5094.321816][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5094.321816][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5094.321816][ T72] ipv6_find_idev+0x102/0x170 [ 5094.321816][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.321816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.321816][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.321816][ T72] netlink_unicast+0x449/0x710 [ 5094.321816][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.321816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.321816][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.321816][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.321816][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.321816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.321816][ T72] [ 5094.323627][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5094.323910][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5094.323910][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5094.323910][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5094.323910][ T72] fib6_nh_init+0xa22/0x1580 [ 5094.323910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.323910][ T72] ip6_route_add+0x1c/0x140 [ 5094.323910][ T72] inet6_rtm_newroute+0x104/0x110 [ 5094.323910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.323910][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.323910][ T72] netlink_unicast+0x449/0x710 [ 5094.323910][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.323910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.323910][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.323910][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.323910][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.323910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.323910][ T72] [ 5094.326119][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5094.326119][ T72] dst_init+0x84/0x4a0 [ 5094.326119][ T72] dst_alloc+0x97/0x150 [ 5094.326119][ T72] ip6_dst_alloc+0x23/0x90 [ 5094.326119][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5094.326119][ T72] ip6_pol_route+0x56f/0x840 [ 5094.326119][ T72] fib6_rule_lookup+0x456/0x630 [ 5094.326119][ T72] ip6_route_input+0x59c/0xa50 [ 5094.326119][ T72] ipv6_rcv+0x397/0x810 [ 5094.326119][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5094.326119][ T72] process_backlog+0x101/0x620 [ 5094.326119][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5094.326119][ T72] net_rx_action+0x495/0xbe0 [ 5094.326119][ T72] __do_softirq+0x1b5/0x7f6 [ 5094.326119][ T72] [ 5094.327938][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5094.327938][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.327938][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.327938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.327938][ T72] ip6_route_add+0x1c/0x140 [ 5094.327938][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5094.327938][ T72] inet6_addr_add+0x4f8/0xa40 [ 5094.327938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.327938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.327938][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.327938][ T72] netlink_unicast+0x449/0x710 [ 5094.327938][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.327938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.327938][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.327938][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.327938][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.327938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.327938][ T72] [ 5094.330176][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5094.330176][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.330176][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.330176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.330176][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5094.330176][ T72] ipv6_add_addr+0x411/0x2000 [ 5094.330176][ T72] inet6_addr_add+0x30e/0xa40 [ 5094.330176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.330176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.330176][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.330176][ T72] netlink_unicast+0x449/0x710 [ 5094.330176][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.330176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.330176][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.330176][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.330176][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.330176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.330176][ T72] [ 5094.332355][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5094.332355][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.332355][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.332355][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.332355][ T72] ip6_route_add+0x1c/0x140 [ 5094.332355][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5094.332355][ T72] addrconf_add_dev+0xe2/0x170 [ 5094.332355][ T72] inet6_addr_add+0x12f/0xa40 [ 5094.332355][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.332355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.332355][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.332355][ T72] netlink_unicast+0x449/0x710 [ 5094.332355][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.332355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.332355][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.332355][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.332355][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.332355][ T72] [ 5094.334629][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5094.334629][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5094.334629][ T72] ipv6_find_idev+0x102/0x170 [ 5094.334629][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.334629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.334629][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.334629][ T72] netlink_unicast+0x449/0x710 [ 5094.334629][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.334629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.334629][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.334629][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.334629][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.334629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.334629][ T72] [ 5094.336354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5094.336354][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5094.336354][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5094.336354][ T72] ipv6_find_idev+0x102/0x170 [ 5094.336354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.336354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.336354][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.336354][ T72] netlink_unicast+0x449/0x710 [ 5094.336354][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.336354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.336354][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.336354][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.336354][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.336354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.336354][ T72] [ 5094.338232][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5094.338593][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5094.338593][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.338593][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.338593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.338593][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5094.338593][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5094.338593][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5094.338593][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5094.338593][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5094.338593][ T72] addrconf_dad_begin+0x310/0x670 [ 5094.338593][ T72] addrconf_dad_work+0x10b/0xab0 [ 5094.338593][ T72] process_one_work+0x84d/0x18a0 [ 5094.338593][ T72] worker_thread+0x587/0xd30 [ 5094.338593][ T72] kthread+0x28a/0x350 [ 5094.338593][ T72] ret_from_fork+0x31/0x70 [ 5094.338593][ T72] ret_from_fork_asm+0x1a/0x30 [ 5094.338593][ T72] [ 5094.340566][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5094.340566][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.340566][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.340566][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.340566][ T72] ip6_route_add+0x1c/0x140 [ 5094.340566][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5094.340566][ T72] inet6_addr_add+0x4f8/0xa40 [ 5094.340566][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.340566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.340566][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.340566][ T72] netlink_unicast+0x449/0x710 [ 5094.340566][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.340566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.340566][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.340566][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.340566][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.340566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.340566][ T72] [ 5094.342801][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5094.342801][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.342801][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.342801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.342801][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5094.342801][ T72] ipv6_add_addr+0x411/0x2000 [ 5094.342801][ T72] inet6_addr_add+0x30e/0xa40 [ 5094.342801][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.342801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.342801][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.342801][ T72] netlink_unicast+0x449/0x710 [ 5094.342801][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.342801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.342801][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.342801][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.342801][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.342801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.342801][ T72] [ 5094.345105][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5094.345105][ T72] netdev_get_by_index+0x5e/0x80 [ 5094.345105][ T72] fib6_nh_init+0x3d8/0x1580 [ 5094.345105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5094.345105][ T72] ip6_route_add+0x1c/0x140 [ 5094.345105][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5094.345105][ T72] addrconf_add_dev+0xe2/0x170 [ 5094.345105][ T72] inet6_addr_add+0x12f/0xa40 [ 5094.345105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.345105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.345105][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.345105][ T72] netlink_unicast+0x449/0x710 [ 5094.345105][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.345105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.345105][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.345105][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.345105][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.345105][ T72] [ 5094.347316][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5094.347316][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5094.347316][ T72] ipv6_find_idev+0x102/0x170 [ 5094.347316][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.347316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.347316][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.347316][ T72] netlink_unicast+0x449/0x710 [ 5094.347316][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.347316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.347316][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.347316][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.347316][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.347316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.347316][ T72] [ 5094.349045][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5094.349045][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5094.349045][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5094.349045][ T72] ipv6_find_idev+0x102/0x170 [ 5094.349045][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.349045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.349045][ T72] netlink_rcv_skb+0x130/0x360 [ 5094.349045][ T72] netlink_unicast+0x449/0x710 [ 5094.349045][ T72] netlink_sendmsg+0x723/0xbe0 [ 5094.349045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5094.349045][ T72] ___sys_sendmsg+0xee/0x170 [ 5094.349045][ T72] __sys_sendmsg+0xcd/0x170 [ 5094.349045][ T72] do_syscall_64+0xc6/0x1e0 [ 5094.349045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.349045][ T72] [ 5104.592914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5104.593483][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5104.593483][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5104.593483][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5104.593483][ T72] fib6_nh_init+0xa22/0x1580 [ 5104.593483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.593483][ T72] ip6_route_add+0x1c/0x140 [ 5104.593483][ T72] inet6_rtm_newroute+0x104/0x110 [ 5104.593483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.593483][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.593483][ T72] netlink_unicast+0x449/0x710 [ 5104.593483][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.593483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.593483][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.593483][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.593483][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.593483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.593483][ T72] [ 5104.595639][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5104.595639][ T72] dst_init+0x84/0x4a0 [ 5104.595639][ T72] dst_alloc+0x97/0x150 [ 5104.595639][ T72] ip6_dst_alloc+0x23/0x90 [ 5104.595639][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5104.595639][ T72] ip6_pol_route+0x56f/0x840 [ 5104.595639][ T72] fib6_rule_lookup+0x456/0x630 [ 5104.595639][ T72] ip6_route_input+0x59c/0xa50 [ 5104.595639][ T72] ipv6_rcv+0x397/0x810 [ 5104.595639][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5104.595639][ T72] process_backlog+0x101/0x620 [ 5104.595639][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5104.595639][ T72] net_rx_action+0x495/0xbe0 [ 5104.595639][ T72] __do_softirq+0x1b5/0x7f6 [ 5104.595639][ T72] [ 5104.597553][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5104.597553][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.597553][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.597553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.597553][ T72] ip6_route_add+0x1c/0x140 [ 5104.597553][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5104.597553][ T72] inet6_addr_add+0x4f8/0xa40 [ 5104.597553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.597553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.597553][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.597553][ T72] netlink_unicast+0x449/0x710 [ 5104.597553][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.597553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.597553][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.597553][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.597553][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.597553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.597553][ T72] [ 5104.599766][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5104.599766][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.599766][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.599766][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.599766][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5104.599766][ T72] ipv6_add_addr+0x411/0x2000 [ 5104.599766][ T72] inet6_addr_add+0x30e/0xa40 [ 5104.599766][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.599766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.599766][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.599766][ T72] netlink_unicast+0x449/0x710 [ 5104.599766][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.599766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.599766][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.599766][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.599766][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.599766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.599766][ T72] [ 5104.601932][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5104.601932][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.601932][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.601932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.601932][ T72] ip6_route_add+0x1c/0x140 [ 5104.601932][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5104.601932][ T72] addrconf_add_dev+0xe2/0x170 [ 5104.601932][ T72] inet6_addr_add+0x12f/0xa40 [ 5104.601932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.601932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.601932][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.601932][ T72] netlink_unicast+0x449/0x710 [ 5104.601932][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.601932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.601932][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.601932][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.601932][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.601932][ T72] [ 5104.604162][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5104.604162][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5104.604162][ T72] ipv6_find_idev+0x102/0x170 [ 5104.604162][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.604162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.604162][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.604162][ T72] netlink_unicast+0x449/0x710 [ 5104.604162][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.604162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.604162][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.604162][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.604162][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.604162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.604162][ T72] [ 5104.605824][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5104.605824][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5104.605824][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5104.605824][ T72] ipv6_find_idev+0x102/0x170 [ 5104.605824][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.605824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.605824][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.605824][ T72] netlink_unicast+0x449/0x710 [ 5104.605824][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.605824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.605824][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.605824][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.605824][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.605824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.605824][ T72] [ 5104.607763][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5104.608069][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5104.608069][ T72] dst_init+0x84/0x4a0 [ 5104.608069][ T72] dst_alloc+0x97/0x150 [ 5104.608069][ T72] ip6_dst_alloc+0x23/0x90 [ 5104.608069][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5104.608069][ T72] ip6_pol_route+0x56f/0x840 [ 5104.608069][ T72] fib6_rule_lookup+0x456/0x630 [ 5104.608069][ T72] ip6_route_input+0x59c/0xa50 [ 5104.608069][ T72] ipv6_rcv+0x397/0x810 [ 5104.608069][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5104.608069][ T72] process_backlog+0x101/0x620 [ 5104.608069][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5104.608069][ T72] net_rx_action+0x495/0xbe0 [ 5104.608069][ T72] __do_softirq+0x1b5/0x7f6 [ 5104.608069][ T72] [ 5104.609899][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5104.609899][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.609899][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.609899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.609899][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5104.609899][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5104.609899][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5104.609899][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5104.609899][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5104.609899][ T72] addrconf_dad_begin+0x310/0x670 [ 5104.609899][ T72] addrconf_dad_work+0x10b/0xab0 [ 5104.609899][ T72] process_one_work+0x84d/0x18a0 [ 5104.609899][ T72] worker_thread+0x587/0xd30 [ 5104.609899][ T72] kthread+0x28a/0x350 [ 5104.609899][ T72] ret_from_fork+0x31/0x70 [ 5104.609899][ T72] ret_from_fork_asm+0x1a/0x30 [ 5104.609899][ T72] [ 5104.611962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5104.611962][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.611962][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.611962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.611962][ T72] ip6_route_add+0x1c/0x140 [ 5104.611962][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5104.611962][ T72] inet6_addr_add+0x4f8/0xa40 [ 5104.611962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.611962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.611962][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.611962][ T72] netlink_unicast+0x449/0x710 [ 5104.611962][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.611962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.611962][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.611962][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.611962][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.611962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.611962][ T72] [ 5104.614148][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5104.614148][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.614148][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.614148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.614148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5104.614148][ T72] ipv6_add_addr+0x411/0x2000 [ 5104.614148][ T72] inet6_addr_add+0x30e/0xa40 [ 5104.614148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.614148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.614148][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.614148][ T72] netlink_unicast+0x449/0x710 [ 5104.614148][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.614148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.614148][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.614148][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.614148][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.614148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.614148][ T72] [ 5104.616369][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5104.616369][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.616369][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.616369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.616369][ T72] ip6_route_add+0x1c/0x140 [ 5104.616369][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5104.616369][ T72] addrconf_add_dev+0xe2/0x170 [ 5104.616369][ T72] inet6_addr_add+0x12f/0xa40 [ 5104.616369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.616369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.616369][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.616369][ T72] netlink_unicast+0x449/0x710 [ 5104.616369][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.616369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.616369][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.616369][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.616369][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.616369][ T72] [ 5104.618572][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5104.618572][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5104.618572][ T72] ipv6_find_idev+0x102/0x170 [ 5104.618572][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.618572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.618572][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.618572][ T72] netlink_unicast+0x449/0x710 [ 5104.618572][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.618572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.618572][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.618572][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.618572][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.618572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.618572][ T72] [ 5104.620236][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5104.620236][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5104.620236][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5104.620236][ T72] ipv6_find_idev+0x102/0x170 [ 5104.620236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.620236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.620236][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.620236][ T72] netlink_unicast+0x449/0x710 [ 5104.620236][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.620236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.620236][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.620236][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.620236][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.620236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.620236][ T72] [ 5104.622250][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5104.622593][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5104.622593][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5104.622593][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5104.622593][ T72] fib6_nh_init+0xa22/0x1580 [ 5104.622593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.622593][ T72] ip6_route_add+0x1c/0x140 [ 5104.622593][ T72] inet6_rtm_newroute+0x104/0x110 [ 5104.622593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.622593][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.622593][ T72] netlink_unicast+0x449/0x710 [ 5104.622593][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.622593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.622593][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.622593][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.622593][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.622593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.622593][ T72] [ 5104.624930][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5104.624930][ T72] dst_init+0x84/0x4a0 [ 5104.624930][ T72] dst_alloc+0x97/0x150 [ 5104.624930][ T72] ip6_dst_alloc+0x23/0x90 [ 5104.624930][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5104.624930][ T72] ip6_pol_route+0x56f/0x840 [ 5104.624930][ T72] fib6_rule_lookup+0x456/0x630 [ 5104.624930][ T72] ip6_route_input+0x59c/0xa50 [ 5104.624930][ T72] ipv6_rcv+0x397/0x810 [ 5104.624930][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5104.624930][ T72] process_backlog+0x101/0x620 [ 5104.624930][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5104.624930][ T72] net_rx_action+0x495/0xbe0 [ 5104.624930][ T72] __do_softirq+0x1b5/0x7f6 [ 5104.624930][ T72] [ 5104.626898][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5104.626898][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.626898][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.626898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.626898][ T72] ip6_route_add+0x1c/0x140 [ 5104.626898][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5104.626898][ T72] inet6_addr_add+0x4f8/0xa40 [ 5104.626898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.626898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.626898][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.626898][ T72] netlink_unicast+0x449/0x710 [ 5104.626898][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.626898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.626898][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.626898][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.626898][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.626898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.626898][ T72] [ 5104.629377][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5104.629377][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.629377][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.629377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.629377][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5104.629377][ T72] ipv6_add_addr+0x411/0x2000 [ 5104.629377][ T72] inet6_addr_add+0x30e/0xa40 [ 5104.629377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.629377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.629377][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.629377][ T72] netlink_unicast+0x449/0x710 [ 5104.629377][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.629377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.629377][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.629377][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.629377][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.629377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.629377][ T72] [ 5104.631720][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5104.631720][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.631720][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.631720][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.631720][ T72] ip6_route_add+0x1c/0x140 [ 5104.631720][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5104.631720][ T72] addrconf_add_dev+0xe2/0x170 [ 5104.631720][ T72] inet6_addr_add+0x12f/0xa40 [ 5104.631720][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.631720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.631720][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.631720][ T72] netlink_unicast+0x449/0x710 [ 5104.631720][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.631720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.631720][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.631720][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.631720][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.631720][ T72] [ 5104.634137][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5104.634137][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5104.634137][ T72] ipv6_find_idev+0x102/0x170 [ 5104.634137][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.634137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.634137][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.634137][ T72] netlink_unicast+0x449/0x710 [ 5104.634137][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.634137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.634137][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.634137][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.634137][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.634137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.634137][ T72] [ 5104.636004][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5104.636004][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5104.636004][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5104.636004][ T72] ipv6_find_idev+0x102/0x170 [ 5104.636004][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.636004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.636004][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.636004][ T72] netlink_unicast+0x449/0x710 [ 5104.636004][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.636004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.636004][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.636004][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.636004][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.636004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.636004][ T72] [ 5104.638562][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5104.639316][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5104.639316][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.639316][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.639316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.639316][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5104.639316][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5104.639316][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5104.639316][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5104.639316][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5104.639316][ T72] addrconf_dad_begin+0x310/0x670 [ 5104.639316][ T72] addrconf_dad_work+0x10b/0xab0 [ 5104.639316][ T72] process_one_work+0x84d/0x18a0 [ 5104.639316][ T72] worker_thread+0x587/0xd30 [ 5104.639316][ T72] kthread+0x28a/0x350 [ 5104.639316][ T72] ret_from_fork+0x31/0x70 [ 5104.639316][ T72] ret_from_fork_asm+0x1a/0x30 [ 5104.639316][ T72] [ 5104.641442][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5104.641442][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.641442][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.641442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.641442][ T72] ip6_route_add+0x1c/0x140 [ 5104.641442][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5104.641442][ T72] inet6_addr_add+0x4f8/0xa40 [ 5104.641442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.641442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.641442][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.641442][ T72] netlink_unicast+0x449/0x710 [ 5104.641442][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.641442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.641442][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.641442][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.641442][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.641442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.641442][ T72] [ 5104.643811][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5104.643811][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.643811][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.643811][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.643811][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5104.643811][ T72] ipv6_add_addr+0x411/0x2000 [ 5104.643811][ T72] inet6_addr_add+0x30e/0xa40 [ 5104.643811][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.643811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.643811][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.643811][ T72] netlink_unicast+0x449/0x710 [ 5104.643811][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.643811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.643811][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.643811][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.643811][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.643811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.643811][ T72] [ 5104.646270][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5104.646270][ T72] netdev_get_by_index+0x5e/0x80 [ 5104.646270][ T72] fib6_nh_init+0x3d8/0x1580 [ 5104.646270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5104.646270][ T72] ip6_route_add+0x1c/0x140 [ 5104.646270][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5104.646270][ T72] addrconf_add_dev+0xe2/0x170 [ 5104.646270][ T72] inet6_addr_add+0x12f/0xa40 [ 5104.646270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.646270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.646270][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.646270][ T72] netlink_unicast+0x449/0x710 [ 5104.646270][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.646270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.646270][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.646270][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.646270][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.646270][ T72] [ 5104.648768][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5104.648768][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5104.648768][ T72] ipv6_find_idev+0x102/0x170 [ 5104.648768][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.648768][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.648768][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.648768][ T72] netlink_unicast+0x449/0x710 [ 5104.648768][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.648768][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.648768][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.648768][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.648768][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.648768][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.648768][ T72] [ 5104.650648][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5104.650648][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5104.650648][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5104.650648][ T72] ipv6_find_idev+0x102/0x170 [ 5104.650648][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.650648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.650648][ T72] netlink_rcv_skb+0x130/0x360 [ 5104.650648][ T72] netlink_unicast+0x449/0x710 [ 5104.650648][ T72] netlink_sendmsg+0x723/0xbe0 [ 5104.650648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5104.650648][ T72] ___sys_sendmsg+0xee/0x170 [ 5104.650648][ T72] __sys_sendmsg+0xcd/0x170 [ 5104.650648][ T72] do_syscall_64+0xc6/0x1e0 [ 5104.650648][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.650648][ T72] [ 5114.888917][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5114.889404][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5114.889404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5114.889404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5114.889404][ T72] fib6_nh_init+0xa22/0x1580 [ 5114.889404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.889404][ T72] ip6_route_add+0x1c/0x140 [ 5114.889404][ T72] inet6_rtm_newroute+0x104/0x110 [ 5114.889404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.889404][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.889404][ T72] netlink_unicast+0x449/0x710 [ 5114.889404][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.889404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.889404][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.889404][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.889404][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.889404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.889404][ T72] [ 5114.891528][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5114.891528][ T72] dst_init+0x84/0x4a0 [ 5114.891528][ T72] dst_alloc+0x97/0x150 [ 5114.891528][ T72] ip6_dst_alloc+0x23/0x90 [ 5114.891528][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5114.891528][ T72] ip6_pol_route+0x56f/0x840 [ 5114.891528][ T72] fib6_rule_lookup+0x456/0x630 [ 5114.891528][ T72] ip6_route_input+0x59c/0xa50 [ 5114.891528][ T72] ipv6_rcv+0x397/0x810 [ 5114.891528][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5114.891528][ T72] process_backlog+0x101/0x620 [ 5114.891528][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5114.891528][ T72] net_rx_action+0x495/0xbe0 [ 5114.891528][ T72] __do_softirq+0x1b5/0x7f6 [ 5114.891528][ T72] [ 5114.893334][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5114.893334][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.893334][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.893334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.893334][ T72] ip6_route_add+0x1c/0x140 [ 5114.893334][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5114.893334][ T72] inet6_addr_add+0x4f8/0xa40 [ 5114.893334][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.893334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.893334][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.893334][ T72] netlink_unicast+0x449/0x710 [ 5114.893334][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.893334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.893334][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.893334][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.893334][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.893334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.893334][ T72] [ 5114.895553][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5114.895553][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.895553][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.895553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.895553][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5114.895553][ T72] ipv6_add_addr+0x411/0x2000 [ 5114.895553][ T72] inet6_addr_add+0x30e/0xa40 [ 5114.895553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.895553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.895553][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.895553][ T72] netlink_unicast+0x449/0x710 [ 5114.895553][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.895553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.895553][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.895553][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.895553][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.895553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.895553][ T72] [ 5114.897732][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5114.897732][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.897732][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.897732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.897732][ T72] ip6_route_add+0x1c/0x140 [ 5114.897732][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5114.897732][ T72] addrconf_add_dev+0xe2/0x170 [ 5114.897732][ T72] inet6_addr_add+0x12f/0xa40 [ 5114.897732][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.897732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.897732][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.897732][ T72] netlink_unicast+0x449/0x710 [ 5114.897732][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.897732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.897732][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.897732][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.897732][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.897732][ T72] [ 5114.899927][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5114.899927][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5114.899927][ T72] ipv6_find_idev+0x102/0x170 [ 5114.899927][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5114.899927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.899927][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.899927][ T72] netlink_unicast+0x449/0x710 [ 5114.899927][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.899927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.899927][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.899927][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.899927][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.899927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.899927][ T72] [ 5114.901625][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5114.901625][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5114.901625][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5114.901625][ T72] ipv6_find_idev+0x102/0x170 [ 5114.901625][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5114.901625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.901625][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.901625][ T72] netlink_unicast+0x449/0x710 [ 5114.901625][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.901625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.901625][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.901625][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.901625][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.901625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.901625][ T72] [ 5114.903511][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5114.903808][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5114.903808][ T72] dst_init+0x84/0x4a0 [ 5114.903808][ T72] dst_alloc+0x97/0x150 [ 5114.903808][ T72] ip6_dst_alloc+0x23/0x90 [ 5114.903808][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5114.903808][ T72] ip6_pol_route+0x56f/0x840 [ 5114.903808][ T72] fib6_rule_lookup+0x456/0x630 [ 5114.903808][ T72] ip6_route_input+0x59c/0xa50 [ 5114.903808][ T72] ipv6_rcv+0x397/0x810 [ 5114.903808][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5114.903808][ T72] process_backlog+0x101/0x620 [ 5114.903808][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5114.903808][ T72] net_rx_action+0x495/0xbe0 [ 5114.903808][ T72] __do_softirq+0x1b5/0x7f6 [ 5114.903808][ T72] [ 5114.905634][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5114.905634][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.905634][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.905634][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.905634][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5114.905634][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5114.905634][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5114.905634][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5114.905634][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5114.905634][ T72] addrconf_dad_begin+0x310/0x670 [ 5114.905634][ T72] addrconf_dad_work+0x10b/0xab0 [ 5114.905634][ T72] process_one_work+0x84d/0x18a0 [ 5114.905634][ T72] worker_thread+0x587/0xd30 [ 5114.905634][ T72] kthread+0x28a/0x350 [ 5114.905634][ T72] ret_from_fork+0x31/0x70 [ 5114.905634][ T72] ret_from_fork_asm+0x1a/0x30 [ 5114.905634][ T72] [ 5114.907765][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5114.907765][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.907765][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.907765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.907765][ T72] ip6_route_add+0x1c/0x140 [ 5114.907765][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5114.907765][ T72] inet6_addr_add+0x4f8/0xa40 [ 5114.907765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.907765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.907765][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.907765][ T72] netlink_unicast+0x449/0x710 [ 5114.907765][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.907765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.907765][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.907765][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.907765][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.907765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.907765][ T72] [ 5114.909972][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5114.909972][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.909972][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.909972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.909972][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5114.909972][ T72] ipv6_add_addr+0x411/0x2000 [ 5114.909972][ T72] inet6_addr_add+0x30e/0xa40 [ 5114.909972][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.909972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.909972][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.909972][ T72] netlink_unicast+0x449/0x710 [ 5114.909972][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.909972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.909972][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.909972][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.909972][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.909972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.909972][ T72] [ 5114.912189][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5114.912189][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.912189][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.912189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.912189][ T72] ip6_route_add+0x1c/0x140 [ 5114.912189][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5114.912189][ T72] addrconf_add_dev+0xe2/0x170 [ 5114.912189][ T72] inet6_addr_add+0x12f/0xa40 [ 5114.912189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.912189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.912189][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.912189][ T72] netlink_unicast+0x449/0x710 [ 5114.912189][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.912189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.912189][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.912189][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.912189][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.912189][ T72] [ 5114.914368][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5114.914368][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5114.914368][ T72] ipv6_find_idev+0x102/0x170 [ 5114.914368][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5114.914368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.914368][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.914368][ T72] netlink_unicast+0x449/0x710 [ 5114.914368][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.914368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.914368][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.914368][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.914368][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.914368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.914368][ T72] [ 5114.916053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5114.916053][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5114.916053][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5114.916053][ T72] ipv6_find_idev+0x102/0x170 [ 5114.916053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5114.916053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.916053][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.916053][ T72] netlink_unicast+0x449/0x710 [ 5114.916053][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.916053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.916053][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.916053][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.916053][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.916053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.916053][ T72] [ 5114.917964][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5114.918315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5114.918315][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5114.918315][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5114.918315][ T72] fib6_nh_init+0xa22/0x1580 [ 5114.918315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.918315][ T72] ip6_route_add+0x1c/0x140 [ 5114.918315][ T72] inet6_rtm_newroute+0x104/0x110 [ 5114.918315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.918315][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.918315][ T72] netlink_unicast+0x449/0x710 [ 5114.918315][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.918315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.918315][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.918315][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.918315][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.918315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.918315][ T72] [ 5114.920619][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5114.920619][ T72] dst_init+0x84/0x4a0 [ 5114.920619][ T72] dst_alloc+0x97/0x150 [ 5114.920619][ T72] ip6_dst_alloc+0x23/0x90 [ 5114.920619][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5114.920619][ T72] ip6_pol_route+0x56f/0x840 [ 5114.920619][ T72] fib6_rule_lookup+0x456/0x630 [ 5114.920619][ T72] ip6_route_input+0x59c/0xa50 [ 5114.920619][ T72] ipv6_rcv+0x397/0x810 [ 5114.920619][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5114.920619][ T72] process_backlog+0x101/0x620 [ 5114.920619][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5114.920619][ T72] net_rx_action+0x495/0xbe0 [ 5114.920619][ T72] __do_softirq+0x1b5/0x7f6 [ 5114.920619][ T72] [ 5114.922624][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5114.922624][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.922624][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.922624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.922624][ T72] ip6_route_add+0x1c/0x140 [ 5114.922624][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5114.922624][ T72] inet6_addr_add+0x4f8/0xa40 [ 5114.922624][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.922624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.922624][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.922624][ T72] netlink_unicast+0x449/0x710 [ 5114.922624][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.922624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.922624][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.922624][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.922624][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.922624][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.922624][ T72] [ 5114.925091][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5114.925091][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.925091][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.925091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.925091][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5114.925091][ T72] ipv6_add_addr+0x411/0x2000 [ 5114.925091][ T72] inet6_addr_add+0x30e/0xa40 [ 5114.925091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.925091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.925091][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.925091][ T72] netlink_unicast+0x449/0x710 [ 5114.925091][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.925091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.925091][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.925091][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.925091][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.925091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.925091][ T72] [ 5114.928083][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5114.928083][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.928083][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.928083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.928083][ T72] ip6_route_add+0x1c/0x140 [ 5114.928083][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5114.928083][ T72] addrconf_add_dev+0xe2/0x170 [ 5114.928083][ T72] inet6_addr_add+0x12f/0xa40 [ 5114.928083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.928083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.928083][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.928083][ T72] netlink_unicast+0x449/0x710 [ 5114.928083][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.928083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.928083][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.928083][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.928083][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.928083][ T72] [ 5114.930559][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5114.930559][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5114.930559][ T72] ipv6_find_idev+0x102/0x170 [ 5114.930559][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5114.930559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.930559][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.930559][ T72] netlink_unicast+0x449/0x710 [ 5114.930559][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.930559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.930559][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.930559][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.930559][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.930559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.930559][ T72] [ 5114.932834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5114.932834][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5114.932834][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5114.932834][ T72] ipv6_find_idev+0x102/0x170 [ 5114.932834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5114.932834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.932834][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.932834][ T72] netlink_unicast+0x449/0x710 [ 5114.932834][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.932834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.932834][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.932834][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.932834][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.932834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.932834][ T72] [ 5114.934874][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5114.935170][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5114.935170][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.935170][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.935170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.935170][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5114.935170][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5114.935170][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5114.935170][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5114.935170][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5114.935170][ T72] addrconf_dad_begin+0x310/0x670 [ 5114.935170][ T72] addrconf_dad_work+0x10b/0xab0 [ 5114.935170][ T72] process_one_work+0x84d/0x18a0 [ 5114.935170][ T72] worker_thread+0x587/0xd30 [ 5114.935170][ T72] kthread+0x28a/0x350 [ 5114.935170][ T72] ret_from_fork+0x31/0x70 [ 5114.935170][ T72] ret_from_fork_asm+0x1a/0x30 [ 5114.935170][ T72] [ 5114.937508][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5114.937508][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.937508][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.937508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.937508][ T72] ip6_route_add+0x1c/0x140 [ 5114.937508][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5114.937508][ T72] inet6_addr_add+0x4f8/0xa40 [ 5114.937508][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.937508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.937508][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.937508][ T72] netlink_unicast+0x449/0x710 [ 5114.937508][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.937508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.937508][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.937508][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.937508][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.937508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.937508][ T72] [ 5114.939955][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5114.939955][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.939955][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.939955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.939955][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5114.939955][ T72] ipv6_add_addr+0x411/0x2000 [ 5114.939955][ T72] inet6_addr_add+0x30e/0xa40 [ 5114.939955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.939955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.939955][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.939955][ T72] netlink_unicast+0x449/0x710 [ 5114.939955][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.939955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.939955][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.939955][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.939955][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.939955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.939955][ T72] [ 5114.942470][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5114.942470][ T72] netdev_get_by_index+0x5e/0x80 [ 5114.942470][ T72] fib6_nh_init+0x3d8/0x1580 [ 5114.942470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5114.942470][ T72] ip6_route_add+0x1c/0x140 [ 5114.942470][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5114.942470][ T72] addrconf_add_dev+0xe2/0x170 [ 5114.942470][ T72] inet6_addr_add+0x12f/0xa40 [ 5114.942470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5114.942470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.942470][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.942470][ T72] netlink_unicast+0x449/0x710 [ 5114.942470][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.942470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.942470][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.942470][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.942470][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.942470][ T72] [ 5114.944824][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5114.944824][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5114.944824][ T72] ipv6_find_idev+0x102/0x170 [ 5114.944824][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5114.944824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.944824][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.944824][ T72] netlink_unicast+0x449/0x710 [ 5114.944824][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.944824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.944824][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.944824][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.944824][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.944824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.944824][ T72] [ 5114.946704][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5114.946704][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5114.946704][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5114.946704][ T72] ipv6_find_idev+0x102/0x170 [ 5114.946704][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5114.946704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5114.946704][ T72] netlink_rcv_skb+0x130/0x360 [ 5114.946704][ T72] netlink_unicast+0x449/0x710 [ 5114.946704][ T72] netlink_sendmsg+0x723/0xbe0 [ 5114.946704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5114.946704][ T72] ___sys_sendmsg+0xee/0x170 [ 5114.946704][ T72] __sys_sendmsg+0xcd/0x170 [ 5114.946704][ T72] do_syscall_64+0xc6/0x1e0 [ 5114.946704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5114.946704][ T72] [ 5125.184905][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5125.185325][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5125.185325][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5125.185325][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5125.185325][ T72] fib6_nh_init+0xa22/0x1580 [ 5125.185325][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.185325][ T72] ip6_route_add+0x1c/0x140 [ 5125.185325][ T72] inet6_rtm_newroute+0x104/0x110 [ 5125.185325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.185325][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.185325][ T72] netlink_unicast+0x449/0x710 [ 5125.185325][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.185325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.185325][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.185325][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.185325][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.185325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.185325][ T72] [ 5125.187420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5125.187420][ T72] dst_init+0x84/0x4a0 [ 5125.187420][ T72] dst_alloc+0x97/0x150 [ 5125.187420][ T72] ip6_dst_alloc+0x23/0x90 [ 5125.187420][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5125.187420][ T72] ip6_pol_route+0x56f/0x840 [ 5125.187420][ T72] fib6_rule_lookup+0x456/0x630 [ 5125.187420][ T72] ip6_route_input+0x59c/0xa50 [ 5125.187420][ T72] ipv6_rcv+0x397/0x810 [ 5125.187420][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5125.187420][ T72] process_backlog+0x101/0x620 [ 5125.187420][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5125.187420][ T72] net_rx_action+0x495/0xbe0 [ 5125.187420][ T72] __do_softirq+0x1b5/0x7f6 [ 5125.187420][ T72] [ 5125.189236][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5125.189236][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.189236][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.189236][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.189236][ T72] ip6_route_add+0x1c/0x140 [ 5125.189236][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5125.189236][ T72] inet6_addr_add+0x4f8/0xa40 [ 5125.189236][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.189236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.189236][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.189236][ T72] netlink_unicast+0x449/0x710 [ 5125.189236][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.189236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.189236][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.189236][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.189236][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.189236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.189236][ T72] [ 5125.191473][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5125.191473][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.191473][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.191473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.191473][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5125.191473][ T72] ipv6_add_addr+0x411/0x2000 [ 5125.191473][ T72] inet6_addr_add+0x30e/0xa40 [ 5125.191473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.191473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.191473][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.191473][ T72] netlink_unicast+0x449/0x710 [ 5125.191473][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.191473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.191473][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.191473][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.191473][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.191473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.191473][ T72] [ 5125.193732][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5125.193732][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.193732][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.193732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.193732][ T72] ip6_route_add+0x1c/0x140 [ 5125.193732][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5125.193732][ T72] addrconf_add_dev+0xe2/0x170 [ 5125.193732][ T72] inet6_addr_add+0x12f/0xa40 [ 5125.193732][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.193732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.193732][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.193732][ T72] netlink_unicast+0x449/0x710 [ 5125.193732][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.193732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.193732][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.193732][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.193732][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.193732][ T72] [ 5125.195920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5125.195920][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5125.195920][ T72] ipv6_find_idev+0x102/0x170 [ 5125.195920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.195920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.195920][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.195920][ T72] netlink_unicast+0x449/0x710 [ 5125.195920][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.195920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.195920][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.195920][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.195920][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.195920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.195920][ T72] [ 5125.197599][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5125.197599][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5125.197599][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5125.197599][ T72] ipv6_find_idev+0x102/0x170 [ 5125.197599][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.197599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.197599][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.197599][ T72] netlink_unicast+0x449/0x710 [ 5125.197599][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.197599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.197599][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.197599][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.197599][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.197599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.197599][ T72] [ 5125.199470][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5125.199764][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5125.199764][ T72] dst_init+0x84/0x4a0 [ 5125.199764][ T72] dst_alloc+0x97/0x150 [ 5125.199764][ T72] ip6_dst_alloc+0x23/0x90 [ 5125.199764][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5125.199764][ T72] ip6_pol_route+0x56f/0x840 [ 5125.199764][ T72] fib6_rule_lookup+0x456/0x630 [ 5125.199764][ T72] ip6_route_input+0x59c/0xa50 [ 5125.199764][ T72] ipv6_rcv+0x397/0x810 [ 5125.199764][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5125.199764][ T72] process_backlog+0x101/0x620 [ 5125.199764][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5125.199764][ T72] net_rx_action+0x495/0xbe0 [ 5125.199764][ T72] __do_softirq+0x1b5/0x7f6 [ 5125.199764][ T72] [ 5125.201596][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5125.201596][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.201596][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.201596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.201596][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5125.201596][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5125.201596][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5125.201596][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5125.201596][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5125.201596][ T72] addrconf_dad_begin+0x310/0x670 [ 5125.201596][ T72] addrconf_dad_work+0x10b/0xab0 [ 5125.201596][ T72] process_one_work+0x84d/0x18a0 [ 5125.201596][ T72] worker_thread+0x587/0xd30 [ 5125.201596][ T72] kthread+0x28a/0x350 [ 5125.201596][ T72] ret_from_fork+0x31/0x70 [ 5125.201596][ T72] ret_from_fork_asm+0x1a/0x30 [ 5125.201596][ T72] [ 5125.203754][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5125.203754][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.203754][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.203754][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.203754][ T72] ip6_route_add+0x1c/0x140 [ 5125.203754][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5125.203754][ T72] inet6_addr_add+0x4f8/0xa40 [ 5125.203754][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.203754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.203754][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.203754][ T72] netlink_unicast+0x449/0x710 [ 5125.203754][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.203754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.203754][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.203754][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.203754][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.203754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.203754][ T72] [ 5125.205984][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5125.205984][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.205984][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.205984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.205984][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5125.205984][ T72] ipv6_add_addr+0x411/0x2000 [ 5125.205984][ T72] inet6_addr_add+0x30e/0xa40 [ 5125.205984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.205984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.205984][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.205984][ T72] netlink_unicast+0x449/0x710 [ 5125.205984][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.205984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.205984][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.205984][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.205984][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.205984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.205984][ T72] [ 5125.208180][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5125.208180][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.208180][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.208180][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.208180][ T72] ip6_route_add+0x1c/0x140 [ 5125.208180][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5125.208180][ T72] addrconf_add_dev+0xe2/0x170 [ 5125.208180][ T72] inet6_addr_add+0x12f/0xa40 [ 5125.208180][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.208180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.208180][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.208180][ T72] netlink_unicast+0x449/0x710 [ 5125.208180][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.208180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.208180][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.208180][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.208180][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.208180][ T72] [ 5125.210346][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5125.210346][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5125.210346][ T72] ipv6_find_idev+0x102/0x170 [ 5125.210346][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.210346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.210346][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.210346][ T72] netlink_unicast+0x449/0x710 [ 5125.210346][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.210346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.210346][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.210346][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.210346][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.210346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.210346][ T72] [ 5125.212048][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5125.212048][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5125.212048][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5125.212048][ T72] ipv6_find_idev+0x102/0x170 [ 5125.212048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.212048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.212048][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.212048][ T72] netlink_unicast+0x449/0x710 [ 5125.212048][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.212048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.212048][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.212048][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.212048][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.212048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.212048][ T72] [ 5125.213974][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5125.214336][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5125.214336][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5125.214336][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5125.214336][ T72] fib6_nh_init+0xa22/0x1580 [ 5125.214336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.214336][ T72] ip6_route_add+0x1c/0x140 [ 5125.214336][ T72] inet6_rtm_newroute+0x104/0x110 [ 5125.214336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.214336][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.214336][ T72] netlink_unicast+0x449/0x710 [ 5125.214336][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.214336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.214336][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.214336][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.214336][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.214336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.214336][ T72] [ 5125.216667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5125.216667][ T72] dst_init+0x84/0x4a0 [ 5125.216667][ T72] dst_alloc+0x97/0x150 [ 5125.216667][ T72] ip6_dst_alloc+0x23/0x90 [ 5125.216667][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5125.216667][ T72] ip6_pol_route+0x56f/0x840 [ 5125.216667][ T72] fib6_rule_lookup+0x456/0x630 [ 5125.216667][ T72] ip6_route_input+0x59c/0xa50 [ 5125.216667][ T72] ipv6_rcv+0x397/0x810 [ 5125.216667][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5125.216667][ T72] process_backlog+0x101/0x620 [ 5125.216667][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5125.216667][ T72] net_rx_action+0x495/0xbe0 [ 5125.216667][ T72] __do_softirq+0x1b5/0x7f6 [ 5125.216667][ T72] [ 5125.218653][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5125.218653][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.218653][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.218653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.218653][ T72] ip6_route_add+0x1c/0x140 [ 5125.218653][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5125.218653][ T72] inet6_addr_add+0x4f8/0xa40 [ 5125.218653][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.218653][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.218653][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.218653][ T72] netlink_unicast+0x449/0x710 [ 5125.218653][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.218653][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.218653][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.218653][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.218653][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.218653][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.218653][ T72] [ 5125.221083][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5125.221083][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.221083][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.221083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.221083][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5125.221083][ T72] ipv6_add_addr+0x411/0x2000 [ 5125.221083][ T72] inet6_addr_add+0x30e/0xa40 [ 5125.221083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.221083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.221083][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.221083][ T72] netlink_unicast+0x449/0x710 [ 5125.221083][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.221083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.221083][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.221083][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.221083][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.221083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.221083][ T72] [ 5125.223544][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5125.223544][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.223544][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.223544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.223544][ T72] ip6_route_add+0x1c/0x140 [ 5125.223544][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5125.223544][ T72] addrconf_add_dev+0xe2/0x170 [ 5125.223544][ T72] inet6_addr_add+0x12f/0xa40 [ 5125.223544][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.223544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.223544][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.223544][ T72] netlink_unicast+0x449/0x710 [ 5125.223544][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.223544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.223544][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.223544][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.223544][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.223544][ T72] [ 5125.226134][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5125.226134][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5125.226134][ T72] ipv6_find_idev+0x102/0x170 [ 5125.226134][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.226134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.226134][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.226134][ T72] netlink_unicast+0x449/0x710 [ 5125.226134][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.226134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.226134][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.226134][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.226134][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.226134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.226134][ T72] [ 5125.228011][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5125.228011][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5125.228011][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5125.228011][ T72] ipv6_find_idev+0x102/0x170 [ 5125.228011][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.228011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.228011][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.228011][ T72] netlink_unicast+0x449/0x710 [ 5125.228011][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.228011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.228011][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.228011][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.228011][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.228011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.228011][ T72] [ 5125.230048][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5125.230349][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5125.230349][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.230349][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.230349][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.230349][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5125.230349][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5125.230349][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5125.230349][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5125.230349][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5125.230349][ T72] addrconf_dad_begin+0x310/0x670 [ 5125.230349][ T72] addrconf_dad_work+0x10b/0xab0 [ 5125.230349][ T72] process_one_work+0x84d/0x18a0 [ 5125.230349][ T72] worker_thread+0x587/0xd30 [ 5125.230349][ T72] kthread+0x28a/0x350 [ 5125.230349][ T72] ret_from_fork+0x31/0x70 [ 5125.230349][ T72] ret_from_fork_asm+0x1a/0x30 [ 5125.230349][ T72] [ 5125.232699][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5125.232699][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.232699][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.232699][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.232699][ T72] ip6_route_add+0x1c/0x140 [ 5125.232699][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5125.232699][ T72] inet6_addr_add+0x4f8/0xa40 [ 5125.232699][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.232699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.232699][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.232699][ T72] netlink_unicast+0x449/0x710 [ 5125.232699][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.232699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.232699][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.232699][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.232699][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.232699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.232699][ T72] [ 5125.235145][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5125.235145][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.235145][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.235145][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.235145][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5125.235145][ T72] ipv6_add_addr+0x411/0x2000 [ 5125.235145][ T72] inet6_addr_add+0x30e/0xa40 [ 5125.235145][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.235145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.235145][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.235145][ T72] netlink_unicast+0x449/0x710 [ 5125.235145][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.235145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.235145][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.235145][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.235145][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.235145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.235145][ T72] [ 5125.237703][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5125.237703][ T72] netdev_get_by_index+0x5e/0x80 [ 5125.237703][ T72] fib6_nh_init+0x3d8/0x1580 [ 5125.237703][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5125.237703][ T72] ip6_route_add+0x1c/0x140 [ 5125.237703][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5125.237703][ T72] addrconf_add_dev+0xe2/0x170 [ 5125.237703][ T72] inet6_addr_add+0x12f/0xa40 [ 5125.237703][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.237703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.237703][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.237703][ T72] netlink_unicast+0x449/0x710 [ 5125.237703][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.237703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.237703][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.237703][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.237703][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.237703][ T72] [ 5125.240053][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5125.240053][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5125.240053][ T72] ipv6_find_idev+0x102/0x170 [ 5125.240053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.240053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.240053][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.240053][ T72] netlink_unicast+0x449/0x710 [ 5125.240053][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.240053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.240053][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.240053][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.240053][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.240053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.240053][ T72] [ 5125.241934][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5125.241934][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5125.241934][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5125.241934][ T72] ipv6_find_idev+0x102/0x170 [ 5125.241934][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.241934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.241934][ T72] netlink_rcv_skb+0x130/0x360 [ 5125.241934][ T72] netlink_unicast+0x449/0x710 [ 5125.241934][ T72] netlink_sendmsg+0x723/0xbe0 [ 5125.241934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5125.241934][ T72] ___sys_sendmsg+0xee/0x170 [ 5125.241934][ T72] __sys_sendmsg+0xcd/0x170 [ 5125.241934][ T72] do_syscall_64+0xc6/0x1e0 [ 5125.241934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.241934][ T72] [ 5135.304909][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5135.305359][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5135.305359][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5135.305359][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5135.305359][ T72] fib6_nh_init+0xa22/0x1580 [ 5135.305359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.305359][ T72] ip6_route_add+0x1c/0x140 [ 5135.305359][ T72] inet6_rtm_newroute+0x104/0x110 [ 5135.305359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.305359][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.305359][ T72] netlink_unicast+0x449/0x710 [ 5135.305359][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.305359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.305359][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.305359][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.305359][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.305359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.305359][ T72] [ 5135.307272][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5135.307272][ T72] dst_init+0x84/0x4a0 [ 5135.307272][ T72] dst_alloc+0x97/0x150 [ 5135.307272][ T72] ip6_dst_alloc+0x23/0x90 [ 5135.307272][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5135.307272][ T72] ip6_pol_route+0x56f/0x840 [ 5135.307272][ T72] fib6_rule_lookup+0x456/0x630 [ 5135.307272][ T72] ip6_route_input+0x59c/0xa50 [ 5135.307272][ T72] ipv6_rcv+0x397/0x810 [ 5135.307272][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5135.307272][ T72] process_backlog+0x101/0x620 [ 5135.307272][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5135.307272][ T72] net_rx_action+0x495/0xbe0 [ 5135.307272][ T72] __do_softirq+0x1b5/0x7f6 [ 5135.307272][ T72] [ 5135.308885][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5135.308885][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.308885][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.308885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.308885][ T72] ip6_route_add+0x1c/0x140 [ 5135.308885][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5135.308885][ T72] inet6_addr_add+0x4f8/0xa40 [ 5135.308885][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.308885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.308885][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.308885][ T72] netlink_unicast+0x449/0x710 [ 5135.308885][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.308885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.308885][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.308885][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.308885][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.308885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.308885][ T72] [ 5135.310903][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5135.310903][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.310903][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.310903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.310903][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5135.310903][ T72] ipv6_add_addr+0x411/0x2000 [ 5135.310903][ T72] inet6_addr_add+0x30e/0xa40 [ 5135.310903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.310903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.310903][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.310903][ T72] netlink_unicast+0x449/0x710 [ 5135.310903][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.310903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.310903][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.310903][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.310903][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.310903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.310903][ T72] [ 5135.312923][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5135.312923][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.312923][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.312923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.312923][ T72] ip6_route_add+0x1c/0x140 [ 5135.312923][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5135.312923][ T72] addrconf_add_dev+0xe2/0x170 [ 5135.312923][ T72] inet6_addr_add+0x12f/0xa40 [ 5135.312923][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.312923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.312923][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.312923][ T72] netlink_unicast+0x449/0x710 [ 5135.312923][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.312923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.312923][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.312923][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.312923][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.312923][ T72] [ 5135.314916][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5135.314916][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5135.314916][ T72] ipv6_find_idev+0x102/0x170 [ 5135.314916][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.314916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.314916][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.314916][ T72] netlink_unicast+0x449/0x710 [ 5135.314916][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.314916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.314916][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.314916][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.314916][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.314916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.314916][ T72] [ 5135.316462][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5135.316462][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5135.316462][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5135.316462][ T72] ipv6_find_idev+0x102/0x170 [ 5135.316462][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.316462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.316462][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.316462][ T72] netlink_unicast+0x449/0x710 [ 5135.316462][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.316462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.316462][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.316462][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.316462][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.316462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.316462][ T72] [ 5135.318147][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5135.318421][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5135.318421][ T72] dst_init+0x84/0x4a0 [ 5135.318421][ T72] dst_alloc+0x97/0x150 [ 5135.318421][ T72] ip6_dst_alloc+0x23/0x90 [ 5135.318421][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5135.318421][ T72] ip6_pol_route+0x56f/0x840 [ 5135.318421][ T72] fib6_rule_lookup+0x456/0x630 [ 5135.318421][ T72] ip6_route_input+0x59c/0xa50 [ 5135.318421][ T72] ipv6_rcv+0x397/0x810 [ 5135.318421][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5135.318421][ T72] process_backlog+0x101/0x620 [ 5135.318421][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5135.318421][ T72] net_rx_action+0x495/0xbe0 [ 5135.318421][ T72] __do_softirq+0x1b5/0x7f6 [ 5135.318421][ T72] [ 5135.320069][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5135.320069][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.320069][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.320069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.320069][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5135.320069][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5135.320069][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5135.320069][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5135.320069][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5135.320069][ T72] addrconf_dad_begin+0x310/0x670 [ 5135.320069][ T72] addrconf_dad_work+0x10b/0xab0 [ 5135.320069][ T72] process_one_work+0x84d/0x18a0 [ 5135.320069][ T72] worker_thread+0x587/0xd30 [ 5135.320069][ T72] kthread+0x28a/0x350 [ 5135.320069][ T72] ret_from_fork+0x31/0x70 [ 5135.320069][ T72] ret_from_fork_asm+0x1a/0x30 [ 5135.320069][ T72] [ 5135.321981][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5135.321981][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.321981][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.321981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.321981][ T72] ip6_route_add+0x1c/0x140 [ 5135.321981][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5135.321981][ T72] inet6_addr_add+0x4f8/0xa40 [ 5135.321981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.321981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.321981][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.321981][ T72] netlink_unicast+0x449/0x710 [ 5135.321981][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.321981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.321981][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.321981][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.321981][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.321981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.321981][ T72] [ 5135.323950][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5135.323950][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.323950][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.323950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.323950][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5135.323950][ T72] ipv6_add_addr+0x411/0x2000 [ 5135.323950][ T72] inet6_addr_add+0x30e/0xa40 [ 5135.323950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.323950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.323950][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.323950][ T72] netlink_unicast+0x449/0x710 [ 5135.323950][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.323950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.323950][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.323950][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.323950][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.323950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.323950][ T72] [ 5135.325962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5135.325962][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.325962][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.325962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.325962][ T72] ip6_route_add+0x1c/0x140 [ 5135.325962][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5135.325962][ T72] addrconf_add_dev+0xe2/0x170 [ 5135.325962][ T72] inet6_addr_add+0x12f/0xa40 [ 5135.325962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.325962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.325962][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.325962][ T72] netlink_unicast+0x449/0x710 [ 5135.325962][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.325962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.325962][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.325962][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.325962][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.325962][ T72] [ 5135.327927][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5135.327927][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5135.327927][ T72] ipv6_find_idev+0x102/0x170 [ 5135.327927][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.327927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.327927][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.327927][ T72] netlink_unicast+0x449/0x710 [ 5135.327927][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.327927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.327927][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.327927][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.327927][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.327927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.327927][ T72] [ 5135.329506][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5135.329506][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5135.329506][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5135.329506][ T72] ipv6_find_idev+0x102/0x170 [ 5135.329506][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.329506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.329506][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.329506][ T72] netlink_unicast+0x449/0x710 [ 5135.329506][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.329506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.329506][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.329506][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.329506][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.329506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.329506][ T72] [ 5135.331278][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5135.331622][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5135.331622][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5135.331622][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5135.331622][ T72] fib6_nh_init+0xa22/0x1580 [ 5135.331622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.331622][ T72] ip6_route_add+0x1c/0x140 [ 5135.331622][ T72] inet6_rtm_newroute+0x104/0x110 [ 5135.331622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.331622][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.331622][ T72] netlink_unicast+0x449/0x710 [ 5135.331622][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.331622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.331622][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.331622][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.331622][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.331622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.331622][ T72] [ 5135.333732][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5135.333732][ T72] dst_init+0x84/0x4a0 [ 5135.333732][ T72] dst_alloc+0x97/0x150 [ 5135.333732][ T72] ip6_dst_alloc+0x23/0x90 [ 5135.333732][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5135.333732][ T72] ip6_pol_route+0x56f/0x840 [ 5135.333732][ T72] fib6_rule_lookup+0x456/0x630 [ 5135.333732][ T72] ip6_route_input+0x59c/0xa50 [ 5135.333732][ T72] ipv6_rcv+0x397/0x810 [ 5135.333732][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5135.333732][ T72] process_backlog+0x101/0x620 [ 5135.333732][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5135.333732][ T72] net_rx_action+0x495/0xbe0 [ 5135.333732][ T72] __do_softirq+0x1b5/0x7f6 [ 5135.333732][ T72] [ 5135.335581][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5135.335581][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.335581][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.335581][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.335581][ T72] ip6_route_add+0x1c/0x140 [ 5135.335581][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5135.335581][ T72] inet6_addr_add+0x4f8/0xa40 [ 5135.335581][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.335581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.335581][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.335581][ T72] netlink_unicast+0x449/0x710 [ 5135.335581][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.335581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.335581][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.335581][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.335581][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.335581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.335581][ T72] [ 5135.337776][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5135.337776][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.337776][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.337776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.337776][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5135.337776][ T72] ipv6_add_addr+0x411/0x2000 [ 5135.337776][ T72] inet6_addr_add+0x30e/0xa40 [ 5135.337776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.337776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.337776][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.337776][ T72] netlink_unicast+0x449/0x710 [ 5135.337776][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.337776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.337776][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.337776][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.337776][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.337776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.337776][ T72] [ 5135.340024][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5135.340024][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.340024][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.340024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.340024][ T72] ip6_route_add+0x1c/0x140 [ 5135.340024][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5135.340024][ T72] addrconf_add_dev+0xe2/0x170 [ 5135.340024][ T72] inet6_addr_add+0x12f/0xa40 [ 5135.340024][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.340024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.340024][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.340024][ T72] netlink_unicast+0x449/0x710 [ 5135.340024][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.340024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.340024][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.340024][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.340024][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.340024][ T72] [ 5135.342259][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5135.342259][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5135.342259][ T72] ipv6_find_idev+0x102/0x170 [ 5135.342259][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.342259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.342259][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.342259][ T72] netlink_unicast+0x449/0x710 [ 5135.342259][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.342259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.342259][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.342259][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.342259][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.342259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.342259][ T72] [ 5135.343988][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5135.343988][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5135.343988][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5135.343988][ T72] ipv6_find_idev+0x102/0x170 [ 5135.343988][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.343988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.343988][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.343988][ T72] netlink_unicast+0x449/0x710 [ 5135.343988][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.343988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.343988][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.343988][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.343988][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.343988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.343988][ T72] [ 5135.345887][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5135.346180][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5135.346180][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.346180][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.346180][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.346180][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5135.346180][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5135.346180][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5135.346180][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5135.346180][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5135.346180][ T72] addrconf_dad_begin+0x310/0x670 [ 5135.346180][ T72] addrconf_dad_work+0x10b/0xab0 [ 5135.346180][ T72] process_one_work+0x84d/0x18a0 [ 5135.346180][ T72] worker_thread+0x587/0xd30 [ 5135.346180][ T72] kthread+0x28a/0x350 [ 5135.346180][ T72] ret_from_fork+0x31/0x70 [ 5135.346180][ T72] ret_from_fork_asm+0x1a/0x30 [ 5135.346180][ T72] [ 5135.348357][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5135.348357][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.348357][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.348357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.348357][ T72] ip6_route_add+0x1c/0x140 [ 5135.348357][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5135.348357][ T72] inet6_addr_add+0x4f8/0xa40 [ 5135.348357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.348357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.348357][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.348357][ T72] netlink_unicast+0x449/0x710 [ 5135.348357][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.348357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.348357][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.348357][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.348357][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.348357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.348357][ T72] [ 5135.350621][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5135.350621][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.350621][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.350621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.350621][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5135.350621][ T72] ipv6_add_addr+0x411/0x2000 [ 5135.350621][ T72] inet6_addr_add+0x30e/0xa40 [ 5135.350621][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.350621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.350621][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.350621][ T72] netlink_unicast+0x449/0x710 [ 5135.350621][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.350621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.350621][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.350621][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.350621][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.350621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.350621][ T72] [ 5135.353486][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5135.353486][ T72] netdev_get_by_index+0x5e/0x80 [ 5135.353486][ T72] fib6_nh_init+0x3d8/0x1580 [ 5135.353486][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5135.353486][ T72] ip6_route_add+0x1c/0x140 [ 5135.353486][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5135.353486][ T72] addrconf_add_dev+0xe2/0x170 [ 5135.353486][ T72] inet6_addr_add+0x12f/0xa40 [ 5135.353486][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.353486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.353486][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.353486][ T72] netlink_unicast+0x449/0x710 [ 5135.353486][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.353486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.353486][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.353486][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.353486][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.353486][ T72] [ 5135.355642][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5135.355642][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5135.355642][ T72] ipv6_find_idev+0x102/0x170 [ 5135.355642][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.355642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.355642][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.355642][ T72] netlink_unicast+0x449/0x710 [ 5135.355642][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.355642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.355642][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.355642][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.355642][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.355642][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.355642][ T72] [ 5135.357381][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5135.357381][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5135.357381][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5135.357381][ T72] ipv6_find_idev+0x102/0x170 [ 5135.357381][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.357381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.357381][ T72] netlink_rcv_skb+0x130/0x360 [ 5135.357381][ T72] netlink_unicast+0x449/0x710 [ 5135.357381][ T72] netlink_sendmsg+0x723/0xbe0 [ 5135.357381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5135.357381][ T72] ___sys_sendmsg+0xee/0x170 [ 5135.357381][ T72] __sys_sendmsg+0xcd/0x170 [ 5135.357381][ T72] do_syscall_64+0xc6/0x1e0 [ 5135.357381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.357381][ T72] [ 5145.360915][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5145.361344][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5145.361344][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5145.361344][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5145.361344][ T72] fib6_nh_init+0xa22/0x1580 [ 5145.361344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.361344][ T72] ip6_route_add+0x1c/0x140 [ 5145.361344][ T72] inet6_rtm_newroute+0x104/0x110 [ 5145.361344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.361344][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.361344][ T72] netlink_unicast+0x449/0x710 [ 5145.361344][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.361344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.361344][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.361344][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.361344][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.361344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.361344][ T72] [ 5145.363418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5145.363418][ T72] dst_init+0x84/0x4a0 [ 5145.363418][ T72] dst_alloc+0x97/0x150 [ 5145.363418][ T72] ip6_dst_alloc+0x23/0x90 [ 5145.363418][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5145.363418][ T72] ip6_pol_route+0x56f/0x840 [ 5145.363418][ T72] fib6_rule_lookup+0x456/0x630 [ 5145.363418][ T72] ip6_route_input+0x59c/0xa50 [ 5145.363418][ T72] ipv6_rcv+0x397/0x810 [ 5145.363418][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5145.363418][ T72] process_backlog+0x101/0x620 [ 5145.363418][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5145.363418][ T72] net_rx_action+0x495/0xbe0 [ 5145.363418][ T72] __do_softirq+0x1b5/0x7f6 [ 5145.363418][ T72] [ 5145.365218][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5145.365218][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.365218][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.365218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.365218][ T72] ip6_route_add+0x1c/0x140 [ 5145.365218][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5145.365218][ T72] inet6_addr_add+0x4f8/0xa40 [ 5145.365218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.365218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.365218][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.365218][ T72] netlink_unicast+0x449/0x710 [ 5145.365218][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.365218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.365218][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.365218][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.365218][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.365218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.365218][ T72] [ 5145.367373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5145.367373][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.367373][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.367373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.367373][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5145.367373][ T72] ipv6_add_addr+0x411/0x2000 [ 5145.367373][ T72] inet6_addr_add+0x30e/0xa40 [ 5145.367373][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.367373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.367373][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.367373][ T72] netlink_unicast+0x449/0x710 [ 5145.367373][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.367373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.367373][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.367373][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.367373][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.367373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.367373][ T72] [ 5145.369491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5145.369491][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.369491][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.369491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.369491][ T72] ip6_route_add+0x1c/0x140 [ 5145.369491][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5145.369491][ T72] addrconf_add_dev+0xe2/0x170 [ 5145.369491][ T72] inet6_addr_add+0x12f/0xa40 [ 5145.369491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.369491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.369491][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.369491][ T72] netlink_unicast+0x449/0x710 [ 5145.369491][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.369491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.369491][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.369491][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.369491][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.369491][ T72] [ 5145.371567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5145.371567][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5145.371567][ T72] ipv6_find_idev+0x102/0x170 [ 5145.371567][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.371567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.371567][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.371567][ T72] netlink_unicast+0x449/0x710 [ 5145.371567][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.371567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.371567][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.371567][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.371567][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.371567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.371567][ T72] [ 5145.373199][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5145.373199][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5145.373199][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5145.373199][ T72] ipv6_find_idev+0x102/0x170 [ 5145.373199][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.373199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.373199][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.373199][ T72] netlink_unicast+0x449/0x710 [ 5145.373199][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.373199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.373199][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.373199][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.373199][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.373199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.373199][ T72] [ 5145.374997][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5145.375280][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5145.375280][ T72] dst_init+0x84/0x4a0 [ 5145.375280][ T72] dst_alloc+0x97/0x150 [ 5145.375280][ T72] ip6_dst_alloc+0x23/0x90 [ 5145.375280][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5145.375280][ T72] ip6_pol_route+0x56f/0x840 [ 5145.375280][ T72] fib6_rule_lookup+0x456/0x630 [ 5145.375280][ T72] ip6_route_input+0x59c/0xa50 [ 5145.375280][ T72] ipv6_rcv+0x397/0x810 [ 5145.375280][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5145.375280][ T72] process_backlog+0x101/0x620 [ 5145.375280][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5145.375280][ T72] net_rx_action+0x495/0xbe0 [ 5145.375280][ T72] __do_softirq+0x1b5/0x7f6 [ 5145.375280][ T72] [ 5145.377014][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5145.377014][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.377014][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.377014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.377014][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5145.377014][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5145.377014][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5145.377014][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5145.377014][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5145.377014][ T72] addrconf_dad_begin+0x310/0x670 [ 5145.377014][ T72] addrconf_dad_work+0x10b/0xab0 [ 5145.377014][ T72] process_one_work+0x84d/0x18a0 [ 5145.377014][ T72] worker_thread+0x587/0xd30 [ 5145.377014][ T72] kthread+0x28a/0x350 [ 5145.377014][ T72] ret_from_fork+0x31/0x70 [ 5145.377014][ T72] ret_from_fork_asm+0x1a/0x30 [ 5145.377014][ T72] [ 5145.379033][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5145.379033][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.379033][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.379033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.379033][ T72] ip6_route_add+0x1c/0x140 [ 5145.379033][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5145.379033][ T72] inet6_addr_add+0x4f8/0xa40 [ 5145.379033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.379033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.379033][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.379033][ T72] netlink_unicast+0x449/0x710 [ 5145.379033][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.379033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.379033][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.379033][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.379033][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.379033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.379033][ T72] [ 5145.381139][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5145.381139][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.381139][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.381139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.381139][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5145.381139][ T72] ipv6_add_addr+0x411/0x2000 [ 5145.381139][ T72] inet6_addr_add+0x30e/0xa40 [ 5145.381139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.381139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.381139][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.381139][ T72] netlink_unicast+0x449/0x710 [ 5145.381139][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.381139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.381139][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.381139][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.381139][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.381139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.381139][ T72] [ 5145.383258][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5145.383258][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.383258][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.383258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.383258][ T72] ip6_route_add+0x1c/0x140 [ 5145.383258][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5145.383258][ T72] addrconf_add_dev+0xe2/0x170 [ 5145.383258][ T72] inet6_addr_add+0x12f/0xa40 [ 5145.383258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.383258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.383258][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.383258][ T72] netlink_unicast+0x449/0x710 [ 5145.383258][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.383258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.383258][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.383258][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.383258][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.383258][ T72] [ 5145.385350][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5145.385350][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5145.385350][ T72] ipv6_find_idev+0x102/0x170 [ 5145.385350][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.385350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.385350][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.385350][ T72] netlink_unicast+0x449/0x710 [ 5145.385350][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.385350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.385350][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.385350][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.385350][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.385350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.385350][ T72] [ 5145.386973][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5145.386973][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5145.386973][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5145.386973][ T72] ipv6_find_idev+0x102/0x170 [ 5145.386973][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.386973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.386973][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.386973][ T72] netlink_unicast+0x449/0x710 [ 5145.386973][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.386973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.386973][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.386973][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.386973][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.386973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.386973][ T72] [ 5145.388817][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5145.389169][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5145.389169][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5145.389169][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5145.389169][ T72] fib6_nh_init+0xa22/0x1580 [ 5145.389169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.389169][ T72] ip6_route_add+0x1c/0x140 [ 5145.389169][ T72] inet6_rtm_newroute+0x104/0x110 [ 5145.389169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.389169][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.389169][ T72] netlink_unicast+0x449/0x710 [ 5145.389169][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.389169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.389169][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.389169][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.389169][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.389169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.389169][ T72] [ 5145.391398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5145.391398][ T72] dst_init+0x84/0x4a0 [ 5145.391398][ T72] dst_alloc+0x97/0x150 [ 5145.391398][ T72] ip6_dst_alloc+0x23/0x90 [ 5145.391398][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5145.391398][ T72] ip6_pol_route+0x56f/0x840 [ 5145.391398][ T72] fib6_rule_lookup+0x456/0x630 [ 5145.391398][ T72] ip6_route_input+0x59c/0xa50 [ 5145.391398][ T72] ipv6_rcv+0x397/0x810 [ 5145.391398][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5145.391398][ T72] process_backlog+0x101/0x620 [ 5145.391398][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5145.391398][ T72] net_rx_action+0x495/0xbe0 [ 5145.391398][ T72] __do_softirq+0x1b5/0x7f6 [ 5145.391398][ T72] [ 5145.393228][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5145.393228][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.393228][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.393228][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.393228][ T72] ip6_route_add+0x1c/0x140 [ 5145.393228][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5145.393228][ T72] inet6_addr_add+0x4f8/0xa40 [ 5145.393228][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.393228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.393228][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.393228][ T72] netlink_unicast+0x449/0x710 [ 5145.393228][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.393228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.393228][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.393228][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.393228][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.393228][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.393228][ T72] [ 5145.395489][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5145.395489][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.395489][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.395489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.395489][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5145.395489][ T72] ipv6_add_addr+0x411/0x2000 [ 5145.395489][ T72] inet6_addr_add+0x30e/0xa40 [ 5145.395489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.395489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.395489][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.395489][ T72] netlink_unicast+0x449/0x710 [ 5145.395489][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.395489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.395489][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.395489][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.395489][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.395489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.395489][ T72] [ 5145.397736][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5145.397736][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.397736][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.397736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.397736][ T72] ip6_route_add+0x1c/0x140 [ 5145.397736][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5145.397736][ T72] addrconf_add_dev+0xe2/0x170 [ 5145.397736][ T72] inet6_addr_add+0x12f/0xa40 [ 5145.397736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.397736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.397736][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.397736][ T72] netlink_unicast+0x449/0x710 [ 5145.397736][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.397736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.397736][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.397736][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.397736][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.397736][ T72] [ 5145.400014][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5145.400014][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5145.400014][ T72] ipv6_find_idev+0x102/0x170 [ 5145.400014][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.400014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.400014][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.400014][ T72] netlink_unicast+0x449/0x710 [ 5145.400014][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.400014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.400014][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.400014][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.400014][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.400014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.400014][ T72] [ 5145.401740][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5145.401740][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5145.401740][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5145.401740][ T72] ipv6_find_idev+0x102/0x170 [ 5145.401740][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.401740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.401740][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.401740][ T72] netlink_unicast+0x449/0x710 [ 5145.401740][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.401740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.401740][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.401740][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.401740][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.401740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.401740][ T72] [ 5145.403615][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5145.404340][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5145.404340][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.404340][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.404340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.404340][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5145.404340][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5145.404340][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5145.404340][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5145.404340][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5145.404340][ T72] addrconf_dad_begin+0x310/0x670 [ 5145.404340][ T72] addrconf_dad_work+0x10b/0xab0 [ 5145.404340][ T72] process_one_work+0x84d/0x18a0 [ 5145.404340][ T72] worker_thread+0x587/0xd30 [ 5145.404340][ T72] kthread+0x28a/0x350 [ 5145.404340][ T72] ret_from_fork+0x31/0x70 [ 5145.404340][ T72] ret_from_fork_asm+0x1a/0x30 [ 5145.404340][ T72] [ 5145.406253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5145.406253][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.406253][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.406253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.406253][ T72] ip6_route_add+0x1c/0x140 [ 5145.406253][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5145.406253][ T72] inet6_addr_add+0x4f8/0xa40 [ 5145.406253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.406253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.406253][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.406253][ T72] netlink_unicast+0x449/0x710 [ 5145.406253][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.406253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.406253][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.406253][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.406253][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.406253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.406253][ T72] [ 5145.408406][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5145.408406][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.408406][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.408406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.408406][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5145.408406][ T72] ipv6_add_addr+0x411/0x2000 [ 5145.408406][ T72] inet6_addr_add+0x30e/0xa40 [ 5145.408406][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.408406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.408406][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.408406][ T72] netlink_unicast+0x449/0x710 [ 5145.408406][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.408406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.408406][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.408406][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.408406][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.408406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.408406][ T72] [ 5145.410644][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5145.410644][ T72] netdev_get_by_index+0x5e/0x80 [ 5145.410644][ T72] fib6_nh_init+0x3d8/0x1580 [ 5145.410644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5145.410644][ T72] ip6_route_add+0x1c/0x140 [ 5145.410644][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5145.410644][ T72] addrconf_add_dev+0xe2/0x170 [ 5145.410644][ T72] inet6_addr_add+0x12f/0xa40 [ 5145.410644][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.410644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.410644][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.410644][ T72] netlink_unicast+0x449/0x710 [ 5145.410644][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.410644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.410644][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.410644][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.410644][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.410644][ T72] [ 5145.412920][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5145.412920][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5145.412920][ T72] ipv6_find_idev+0x102/0x170 [ 5145.412920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.412920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.412920][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.412920][ T72] netlink_unicast+0x449/0x710 [ 5145.412920][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.412920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.412920][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.412920][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.412920][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.412920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.412920][ T72] [ 5145.414649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5145.414649][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5145.414649][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5145.414649][ T72] ipv6_find_idev+0x102/0x170 [ 5145.414649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.414649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.414649][ T72] netlink_rcv_skb+0x130/0x360 [ 5145.414649][ T72] netlink_unicast+0x449/0x710 [ 5145.414649][ T72] netlink_sendmsg+0x723/0xbe0 [ 5145.414649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5145.414649][ T72] ___sys_sendmsg+0xee/0x170 [ 5145.414649][ T72] __sys_sendmsg+0xcd/0x170 [ 5145.414649][ T72] do_syscall_64+0xc6/0x1e0 [ 5145.414649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.414649][ T72] [ 5155.656969][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5155.657403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5155.657403][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5155.657403][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5155.657403][ T72] fib6_nh_init+0xa22/0x1580 [ 5155.657403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.657403][ T72] ip6_route_add+0x1c/0x140 [ 5155.657403][ T72] inet6_rtm_newroute+0x104/0x110 [ 5155.657403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.657403][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.657403][ T72] netlink_unicast+0x449/0x710 [ 5155.657403][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.657403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.657403][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.657403][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.657403][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.657403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.657403][ T72] [ 5155.659350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5155.659350][ T72] dst_init+0x84/0x4a0 [ 5155.659350][ T72] dst_alloc+0x97/0x150 [ 5155.659350][ T72] ip6_dst_alloc+0x23/0x90 [ 5155.659350][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5155.659350][ T72] ip6_pol_route+0x56f/0x840 [ 5155.659350][ T72] fib6_rule_lookup+0x456/0x630 [ 5155.659350][ T72] ip6_route_input+0x59c/0xa50 [ 5155.659350][ T72] ipv6_rcv+0x397/0x810 [ 5155.659350][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5155.659350][ T72] process_backlog+0x101/0x620 [ 5155.659350][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5155.659350][ T72] net_rx_action+0x495/0xbe0 [ 5155.659350][ T72] __do_softirq+0x1b5/0x7f6 [ 5155.659350][ T72] [ 5155.661026][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5155.661026][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.661026][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.661026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.661026][ T72] ip6_route_add+0x1c/0x140 [ 5155.661026][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5155.661026][ T72] inet6_addr_add+0x4f8/0xa40 [ 5155.661026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.661026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.661026][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.661026][ T72] netlink_unicast+0x449/0x710 [ 5155.661026][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.661026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.661026][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.661026][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.661026][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.661026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.661026][ T72] [ 5155.663038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5155.663038][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.663038][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.663038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.663038][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5155.663038][ T72] ipv6_add_addr+0x411/0x2000 [ 5155.663038][ T72] inet6_addr_add+0x30e/0xa40 [ 5155.663038][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.663038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.663038][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.663038][ T72] netlink_unicast+0x449/0x710 [ 5155.663038][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.663038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.663038][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.663038][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.663038][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.663038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.663038][ T72] [ 5155.665070][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5155.665070][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.665070][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.665070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.665070][ T72] ip6_route_add+0x1c/0x140 [ 5155.665070][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5155.665070][ T72] addrconf_add_dev+0xe2/0x170 [ 5155.665070][ T72] inet6_addr_add+0x12f/0xa40 [ 5155.665070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.665070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.665070][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.665070][ T72] netlink_unicast+0x449/0x710 [ 5155.665070][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.665070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.665070][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.665070][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.665070][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.665070][ T72] [ 5155.667085][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5155.667085][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5155.667085][ T72] ipv6_find_idev+0x102/0x170 [ 5155.667085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.667085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.667085][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.667085][ T72] netlink_unicast+0x449/0x710 [ 5155.667085][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.667085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.667085][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.667085][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.667085][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.667085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.667085][ T72] [ 5155.668684][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5155.668684][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5155.668684][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5155.668684][ T72] ipv6_find_idev+0x102/0x170 [ 5155.668684][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.668684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.668684][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.668684][ T72] netlink_unicast+0x449/0x710 [ 5155.668684][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.668684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.668684][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.668684][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.668684][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.668684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.668684][ T72] [ 5155.670956][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5155.671241][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5155.671241][ T72] dst_init+0x84/0x4a0 [ 5155.671241][ T72] dst_alloc+0x97/0x150 [ 5155.671241][ T72] ip6_dst_alloc+0x23/0x90 [ 5155.671241][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5155.671241][ T72] ip6_pol_route+0x56f/0x840 [ 5155.671241][ T72] fib6_rule_lookup+0x456/0x630 [ 5155.671241][ T72] ip6_route_input+0x59c/0xa50 [ 5155.671241][ T72] ipv6_rcv+0x397/0x810 [ 5155.671241][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5155.671241][ T72] process_backlog+0x101/0x620 [ 5155.671241][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5155.671241][ T72] net_rx_action+0x495/0xbe0 [ 5155.671241][ T72] __do_softirq+0x1b5/0x7f6 [ 5155.671241][ T72] [ 5155.672930][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5155.672930][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.672930][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.672930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.672930][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5155.672930][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5155.672930][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5155.672930][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5155.672930][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5155.672930][ T72] addrconf_dad_begin+0x310/0x670 [ 5155.672930][ T72] addrconf_dad_work+0x10b/0xab0 [ 5155.672930][ T72] process_one_work+0x84d/0x18a0 [ 5155.672930][ T72] worker_thread+0x587/0xd30 [ 5155.672930][ T72] kthread+0x28a/0x350 [ 5155.672930][ T72] ret_from_fork+0x31/0x70 [ 5155.672930][ T72] ret_from_fork_asm+0x1a/0x30 [ 5155.672930][ T72] [ 5155.674890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5155.674890][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.674890][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.674890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.674890][ T72] ip6_route_add+0x1c/0x140 [ 5155.674890][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5155.674890][ T72] inet6_addr_add+0x4f8/0xa40 [ 5155.674890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.674890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.674890][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.674890][ T72] netlink_unicast+0x449/0x710 [ 5155.674890][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.674890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.674890][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.674890][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.674890][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.674890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.674890][ T72] [ 5155.676968][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5155.676968][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.676968][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.676968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.676968][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5155.676968][ T72] ipv6_add_addr+0x411/0x2000 [ 5155.676968][ T72] inet6_addr_add+0x30e/0xa40 [ 5155.676968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.676968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.676968][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.676968][ T72] netlink_unicast+0x449/0x710 [ 5155.676968][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.676968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.676968][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.676968][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.676968][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.676968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.676968][ T72] [ 5155.679022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5155.679022][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.679022][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.679022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.679022][ T72] ip6_route_add+0x1c/0x140 [ 5155.679022][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5155.679022][ T72] addrconf_add_dev+0xe2/0x170 [ 5155.679022][ T72] inet6_addr_add+0x12f/0xa40 [ 5155.679022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.679022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.679022][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.679022][ T72] netlink_unicast+0x449/0x710 [ 5155.679022][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.679022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.679022][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.679022][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.679022][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.679022][ T72] [ 5155.680999][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5155.680999][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5155.680999][ T72] ipv6_find_idev+0x102/0x170 [ 5155.680999][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.680999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.680999][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.680999][ T72] netlink_unicast+0x449/0x710 [ 5155.680999][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.680999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.680999][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.680999][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.680999][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.680999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.680999][ T72] [ 5155.682549][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5155.682549][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5155.682549][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5155.682549][ T72] ipv6_find_idev+0x102/0x170 [ 5155.682549][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.682549][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.682549][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.682549][ T72] netlink_unicast+0x449/0x710 [ 5155.682549][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.682549][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.682549][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.682549][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.682549][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.682549][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.682549][ T72] [ 5155.684317][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5155.684657][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5155.684657][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5155.684657][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5155.684657][ T72] fib6_nh_init+0xa22/0x1580 [ 5155.684657][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.684657][ T72] ip6_route_add+0x1c/0x140 [ 5155.684657][ T72] inet6_rtm_newroute+0x104/0x110 [ 5155.684657][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.684657][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.684657][ T72] netlink_unicast+0x449/0x710 [ 5155.684657][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.684657][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.684657][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.684657][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.684657][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.684657][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.684657][ T72] [ 5155.686832][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5155.686832][ T72] dst_init+0x84/0x4a0 [ 5155.686832][ T72] dst_alloc+0x97/0x150 [ 5155.686832][ T72] ip6_dst_alloc+0x23/0x90 [ 5155.686832][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5155.686832][ T72] ip6_pol_route+0x56f/0x840 [ 5155.686832][ T72] fib6_rule_lookup+0x456/0x630 [ 5155.686832][ T72] ip6_route_input+0x59c/0xa50 [ 5155.686832][ T72] ipv6_rcv+0x397/0x810 [ 5155.686832][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5155.686832][ T72] process_backlog+0x101/0x620 [ 5155.686832][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5155.686832][ T72] net_rx_action+0x495/0xbe0 [ 5155.686832][ T72] __do_softirq+0x1b5/0x7f6 [ 5155.686832][ T72] [ 5155.688690][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5155.688690][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.688690][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.688690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.688690][ T72] ip6_route_add+0x1c/0x140 [ 5155.688690][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5155.688690][ T72] inet6_addr_add+0x4f8/0xa40 [ 5155.688690][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.688690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.688690][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.688690][ T72] netlink_unicast+0x449/0x710 [ 5155.688690][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.688690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.688690][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.688690][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.688690][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.688690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.688690][ T72] [ 5155.690980][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5155.690980][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.690980][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.690980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.690980][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5155.690980][ T72] ipv6_add_addr+0x411/0x2000 [ 5155.690980][ T72] inet6_addr_add+0x30e/0xa40 [ 5155.690980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.690980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.690980][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.690980][ T72] netlink_unicast+0x449/0x710 [ 5155.690980][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.690980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.690980][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.690980][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.690980][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.690980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.690980][ T72] [ 5155.693292][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5155.693292][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.693292][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.693292][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.693292][ T72] ip6_route_add+0x1c/0x140 [ 5155.693292][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5155.693292][ T72] addrconf_add_dev+0xe2/0x170 [ 5155.693292][ T72] inet6_addr_add+0x12f/0xa40 [ 5155.693292][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.693292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.693292][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.693292][ T72] netlink_unicast+0x449/0x710 [ 5155.693292][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.693292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.693292][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.693292][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.693292][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.693292][ T72] [ 5155.695593][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5155.695593][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5155.695593][ T72] ipv6_find_idev+0x102/0x170 [ 5155.695593][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.695593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.695593][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.695593][ T72] netlink_unicast+0x449/0x710 [ 5155.695593][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.695593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.695593][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.695593][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.695593][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.695593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.695593][ T72] [ 5155.697374][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5155.697374][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5155.697374][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5155.697374][ T72] ipv6_find_idev+0x102/0x170 [ 5155.697374][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.697374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.697374][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.697374][ T72] netlink_unicast+0x449/0x710 [ 5155.697374][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.697374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.697374][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.697374][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.697374][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.697374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.697374][ T72] [ 5155.699255][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5155.699529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5155.699529][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.699529][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.699529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.699529][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5155.699529][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5155.699529][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5155.699529][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5155.699529][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5155.699529][ T72] addrconf_dad_begin+0x310/0x670 [ 5155.699529][ T72] addrconf_dad_work+0x10b/0xab0 [ 5155.699529][ T72] process_one_work+0x84d/0x18a0 [ 5155.699529][ T72] worker_thread+0x587/0xd30 [ 5155.699529][ T72] kthread+0x28a/0x350 [ 5155.699529][ T72] ret_from_fork+0x31/0x70 [ 5155.699529][ T72] ret_from_fork_asm+0x1a/0x30 [ 5155.699529][ T72] [ 5155.701683][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5155.701683][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.701683][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.701683][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.701683][ T72] ip6_route_add+0x1c/0x140 [ 5155.701683][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5155.701683][ T72] inet6_addr_add+0x4f8/0xa40 [ 5155.701683][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.701683][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.701683][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.701683][ T72] netlink_unicast+0x449/0x710 [ 5155.701683][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.701683][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.701683][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.701683][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.701683][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.701683][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.701683][ T72] [ 5155.703936][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5155.703936][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.703936][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.703936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.703936][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5155.703936][ T72] ipv6_add_addr+0x411/0x2000 [ 5155.703936][ T72] inet6_addr_add+0x30e/0xa40 [ 5155.703936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.703936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.703936][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.703936][ T72] netlink_unicast+0x449/0x710 [ 5155.703936][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.703936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.703936][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.703936][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.703936][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.703936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.703936][ T72] [ 5155.706249][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5155.706249][ T72] netdev_get_by_index+0x5e/0x80 [ 5155.706249][ T72] fib6_nh_init+0x3d8/0x1580 [ 5155.706249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5155.706249][ T72] ip6_route_add+0x1c/0x140 [ 5155.706249][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5155.706249][ T72] addrconf_add_dev+0xe2/0x170 [ 5155.706249][ T72] inet6_addr_add+0x12f/0xa40 [ 5155.706249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.706249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.706249][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.706249][ T72] netlink_unicast+0x449/0x710 [ 5155.706249][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.706249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.706249][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.706249][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.706249][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.706249][ T72] [ 5155.708447][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5155.708447][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5155.708447][ T72] ipv6_find_idev+0x102/0x170 [ 5155.708447][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.708447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.708447][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.708447][ T72] netlink_unicast+0x449/0x710 [ 5155.708447][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.708447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.708447][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.708447][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.708447][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.708447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.708447][ T72] [ 5155.710188][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5155.710188][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5155.710188][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5155.710188][ T72] ipv6_find_idev+0x102/0x170 [ 5155.710188][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.710188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.710188][ T72] netlink_rcv_skb+0x130/0x360 [ 5155.710188][ T72] netlink_unicast+0x449/0x710 [ 5155.710188][ T72] netlink_sendmsg+0x723/0xbe0 [ 5155.710188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5155.710188][ T72] ___sys_sendmsg+0xee/0x170 [ 5155.710188][ T72] __sys_sendmsg+0xcd/0x170 [ 5155.710188][ T72] do_syscall_64+0xc6/0x1e0 [ 5155.710188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.710188][ T72] [ 5165.728947][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5165.729475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5165.729475][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5165.729475][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5165.729475][ T72] fib6_nh_init+0xa22/0x1580 [ 5165.729475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.729475][ T72] ip6_route_add+0x1c/0x140 [ 5165.729475][ T72] inet6_rtm_newroute+0x104/0x110 [ 5165.729475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.729475][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.729475][ T72] netlink_unicast+0x449/0x710 [ 5165.729475][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.729475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.729475][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.729475][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.729475][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.729475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.729475][ T72] [ 5165.731632][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5165.731632][ T72] dst_init+0x84/0x4a0 [ 5165.731632][ T72] dst_alloc+0x97/0x150 [ 5165.731632][ T72] ip6_dst_alloc+0x23/0x90 [ 5165.731632][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5165.731632][ T72] ip6_pol_route+0x56f/0x840 [ 5165.731632][ T72] fib6_rule_lookup+0x456/0x630 [ 5165.731632][ T72] ip6_route_input+0x59c/0xa50 [ 5165.731632][ T72] ipv6_rcv+0x397/0x810 [ 5165.731632][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5165.731632][ T72] process_backlog+0x101/0x620 [ 5165.731632][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5165.731632][ T72] net_rx_action+0x495/0xbe0 [ 5165.731632][ T72] __do_softirq+0x1b5/0x7f6 [ 5165.731632][ T72] [ 5165.733488][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5165.733488][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.733488][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.733488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.733488][ T72] ip6_route_add+0x1c/0x140 [ 5165.733488][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5165.733488][ T72] inet6_addr_add+0x4f8/0xa40 [ 5165.733488][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.733488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.733488][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.733488][ T72] netlink_unicast+0x449/0x710 [ 5165.733488][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.733488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.733488][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.733488][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.733488][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.733488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.733488][ T72] [ 5165.735765][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5165.735765][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.735765][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.735765][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.735765][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5165.735765][ T72] ipv6_add_addr+0x411/0x2000 [ 5165.735765][ T72] inet6_addr_add+0x30e/0xa40 [ 5165.735765][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.735765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.735765][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.735765][ T72] netlink_unicast+0x449/0x710 [ 5165.735765][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.735765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.735765][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.735765][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.735765][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.735765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.735765][ T72] [ 5165.738020][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5165.738020][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.738020][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.738020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.738020][ T72] ip6_route_add+0x1c/0x140 [ 5165.738020][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5165.738020][ T72] addrconf_add_dev+0xe2/0x170 [ 5165.738020][ T72] inet6_addr_add+0x12f/0xa40 [ 5165.738020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.738020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.738020][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.738020][ T72] netlink_unicast+0x449/0x710 [ 5165.738020][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.738020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.738020][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.738020][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.738020][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.738020][ T72] [ 5165.740246][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5165.740246][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5165.740246][ T72] ipv6_find_idev+0x102/0x170 [ 5165.740246][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.740246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.740246][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.740246][ T72] netlink_unicast+0x449/0x710 [ 5165.740246][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.740246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.740246][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.740246][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.740246][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.740246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.740246][ T72] [ 5165.742004][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5165.742004][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5165.742004][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5165.742004][ T72] ipv6_find_idev+0x102/0x170 [ 5165.742004][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.742004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.742004][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.742004][ T72] netlink_unicast+0x449/0x710 [ 5165.742004][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.742004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.742004][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.742004][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.742004][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.742004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.742004][ T72] [ 5165.743924][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5165.744238][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5165.744238][ T72] dst_init+0x84/0x4a0 [ 5165.744238][ T72] dst_alloc+0x97/0x150 [ 5165.744238][ T72] ip6_dst_alloc+0x23/0x90 [ 5165.744238][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5165.744238][ T72] ip6_pol_route+0x56f/0x840 [ 5165.744238][ T72] fib6_rule_lookup+0x456/0x630 [ 5165.744238][ T72] ip6_route_input+0x59c/0xa50 [ 5165.744238][ T72] ipv6_rcv+0x397/0x810 [ 5165.744238][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5165.744238][ T72] process_backlog+0x101/0x620 [ 5165.744238][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5165.744238][ T72] net_rx_action+0x495/0xbe0 [ 5165.744238][ T72] __do_softirq+0x1b5/0x7f6 [ 5165.744238][ T72] [ 5165.746109][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5165.746109][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.746109][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.746109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.746109][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5165.746109][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5165.746109][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5165.746109][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5165.746109][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5165.746109][ T72] addrconf_dad_begin+0x310/0x670 [ 5165.746109][ T72] addrconf_dad_work+0x10b/0xab0 [ 5165.746109][ T72] process_one_work+0x84d/0x18a0 [ 5165.746109][ T72] worker_thread+0x587/0xd30 [ 5165.746109][ T72] kthread+0x28a/0x350 [ 5165.746109][ T72] ret_from_fork+0x31/0x70 [ 5165.746109][ T72] ret_from_fork_asm+0x1a/0x30 [ 5165.746109][ T72] [ 5165.748260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5165.748260][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.748260][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.748260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.748260][ T72] ip6_route_add+0x1c/0x140 [ 5165.748260][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5165.748260][ T72] inet6_addr_add+0x4f8/0xa40 [ 5165.748260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.748260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.748260][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.748260][ T72] netlink_unicast+0x449/0x710 [ 5165.748260][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.748260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.748260][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.748260][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.748260][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.748260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.748260][ T72] [ 5165.750539][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5165.750539][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.750539][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.750539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.750539][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5165.750539][ T72] ipv6_add_addr+0x411/0x2000 [ 5165.750539][ T72] inet6_addr_add+0x30e/0xa40 [ 5165.750539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.750539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.750539][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.750539][ T72] netlink_unicast+0x449/0x710 [ 5165.750539][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.750539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.750539][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.750539][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.750539][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.750539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.750539][ T72] [ 5165.752784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5165.752784][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.752784][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.752784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.752784][ T72] ip6_route_add+0x1c/0x140 [ 5165.752784][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5165.752784][ T72] addrconf_add_dev+0xe2/0x170 [ 5165.752784][ T72] inet6_addr_add+0x12f/0xa40 [ 5165.752784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.752784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.752784][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.752784][ T72] netlink_unicast+0x449/0x710 [ 5165.752784][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.752784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.752784][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.752784][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.752784][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.752784][ T72] [ 5165.755027][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5165.755027][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5165.755027][ T72] ipv6_find_idev+0x102/0x170 [ 5165.755027][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.755027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.755027][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.755027][ T72] netlink_unicast+0x449/0x710 [ 5165.755027][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.755027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.755027][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.755027][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.755027][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.755027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.755027][ T72] [ 5165.756759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5165.756759][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5165.756759][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5165.756759][ T72] ipv6_find_idev+0x102/0x170 [ 5165.756759][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.756759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.756759][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.756759][ T72] netlink_unicast+0x449/0x710 [ 5165.756759][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.756759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.756759][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.756759][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.756759][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.756759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.756759][ T72] [ 5165.758810][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5165.759110][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5165.759110][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5165.759110][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5165.759110][ T72] fib6_nh_init+0xa22/0x1580 [ 5165.759110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.759110][ T72] ip6_route_add+0x1c/0x140 [ 5165.759110][ T72] inet6_rtm_newroute+0x104/0x110 [ 5165.759110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.759110][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.759110][ T72] netlink_unicast+0x449/0x710 [ 5165.759110][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.759110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.759110][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.759110][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.759110][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.759110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.759110][ T72] [ 5165.761521][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5165.761521][ T72] dst_init+0x84/0x4a0 [ 5165.761521][ T72] dst_alloc+0x97/0x150 [ 5165.761521][ T72] ip6_dst_alloc+0x23/0x90 [ 5165.761521][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5165.761521][ T72] ip6_pol_route+0x56f/0x840 [ 5165.761521][ T72] fib6_rule_lookup+0x456/0x630 [ 5165.761521][ T72] ip6_route_input+0x59c/0xa50 [ 5165.761521][ T72] ipv6_rcv+0x397/0x810 [ 5165.761521][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5165.761521][ T72] process_backlog+0x101/0x620 [ 5165.761521][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5165.761521][ T72] net_rx_action+0x495/0xbe0 [ 5165.761521][ T72] __do_softirq+0x1b5/0x7f6 [ 5165.761521][ T72] [ 5165.763536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5165.763536][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.763536][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.763536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.763536][ T72] ip6_route_add+0x1c/0x140 [ 5165.763536][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5165.763536][ T72] inet6_addr_add+0x4f8/0xa40 [ 5165.763536][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.763536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.763536][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.763536][ T72] netlink_unicast+0x449/0x710 [ 5165.763536][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.763536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.763536][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.763536][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.763536][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.763536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.763536][ T72] [ 5165.766029][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5165.766029][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.766029][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.766029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.766029][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5165.766029][ T72] ipv6_add_addr+0x411/0x2000 [ 5165.766029][ T72] inet6_addr_add+0x30e/0xa40 [ 5165.766029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.766029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.766029][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.766029][ T72] netlink_unicast+0x449/0x710 [ 5165.766029][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.766029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.766029][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.766029][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.766029][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.766029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.766029][ T72] [ 5165.768467][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5165.768467][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.768467][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.768467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.768467][ T72] ip6_route_add+0x1c/0x140 [ 5165.768467][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5165.768467][ T72] addrconf_add_dev+0xe2/0x170 [ 5165.768467][ T72] inet6_addr_add+0x12f/0xa40 [ 5165.768467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.768467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.768467][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.768467][ T72] netlink_unicast+0x449/0x710 [ 5165.768467][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.768467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.768467][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.768467][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.768467][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.768467][ T72] [ 5165.771538][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5165.771538][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5165.771538][ T72] ipv6_find_idev+0x102/0x170 [ 5165.771538][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.771538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.771538][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.771538][ T72] netlink_unicast+0x449/0x710 [ 5165.771538][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.771538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.771538][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.771538][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.771538][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.771538][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.771538][ T72] [ 5165.773444][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5165.773444][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5165.773444][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5165.773444][ T72] ipv6_find_idev+0x102/0x170 [ 5165.773444][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.773444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.773444][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.773444][ T72] netlink_unicast+0x449/0x710 [ 5165.773444][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.773444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.773444][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.773444][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.773444][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.773444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.773444][ T72] [ 5165.775533][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5165.776335][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5165.776335][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.776335][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.776335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.776335][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5165.776335][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5165.776335][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5165.776335][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5165.776335][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5165.776335][ T72] addrconf_dad_begin+0x310/0x670 [ 5165.776335][ T72] addrconf_dad_work+0x10b/0xab0 [ 5165.776335][ T72] process_one_work+0x84d/0x18a0 [ 5165.776335][ T72] worker_thread+0x587/0xd30 [ 5165.776335][ T72] kthread+0x28a/0x350 [ 5165.776335][ T72] ret_from_fork+0x31/0x70 [ 5165.776335][ T72] ret_from_fork_asm+0x1a/0x30 [ 5165.776335][ T72] [ 5165.778497][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5165.778497][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.778497][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.778497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.778497][ T72] ip6_route_add+0x1c/0x140 [ 5165.778497][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5165.778497][ T72] inet6_addr_add+0x4f8/0xa40 [ 5165.778497][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.778497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.778497][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.778497][ T72] netlink_unicast+0x449/0x710 [ 5165.778497][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.778497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.778497][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.778497][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.778497][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.778497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.778497][ T72] [ 5165.780828][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5165.780828][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.780828][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.780828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.780828][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5165.780828][ T72] ipv6_add_addr+0x411/0x2000 [ 5165.780828][ T72] inet6_addr_add+0x30e/0xa40 [ 5165.780828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.780828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.780828][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.780828][ T72] netlink_unicast+0x449/0x710 [ 5165.780828][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.780828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.780828][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.780828][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.780828][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.780828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.780828][ T72] [ 5165.783298][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5165.783298][ T72] netdev_get_by_index+0x5e/0x80 [ 5165.783298][ T72] fib6_nh_init+0x3d8/0x1580 [ 5165.783298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5165.783298][ T72] ip6_route_add+0x1c/0x140 [ 5165.783298][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5165.783298][ T72] addrconf_add_dev+0xe2/0x170 [ 5165.783298][ T72] inet6_addr_add+0x12f/0xa40 [ 5165.783298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.783298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.783298][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.783298][ T72] netlink_unicast+0x449/0x710 [ 5165.783298][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.783298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.783298][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.783298][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.783298][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.783298][ T72] [ 5165.785821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5165.785821][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5165.785821][ T72] ipv6_find_idev+0x102/0x170 [ 5165.785821][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.785821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.785821][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.785821][ T72] netlink_unicast+0x449/0x710 [ 5165.785821][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.785821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.785821][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.785821][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.785821][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.785821][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.785821][ T72] [ 5165.787712][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5165.787712][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5165.787712][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5165.787712][ T72] ipv6_find_idev+0x102/0x170 [ 5165.787712][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.787712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.787712][ T72] netlink_rcv_skb+0x130/0x360 [ 5165.787712][ T72] netlink_unicast+0x449/0x710 [ 5165.787712][ T72] netlink_sendmsg+0x723/0xbe0 [ 5165.787712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5165.787712][ T72] ___sys_sendmsg+0xee/0x170 [ 5165.787712][ T72] __sys_sendmsg+0xcd/0x170 [ 5165.787712][ T72] do_syscall_64+0xc6/0x1e0 [ 5165.787712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.787712][ T72] [ 5176.033025][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5176.033562][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5176.033562][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5176.033562][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5176.033562][ T72] fib6_nh_init+0xa22/0x1580 [ 5176.033562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.033562][ T72] ip6_route_add+0x1c/0x140 [ 5176.033562][ T72] inet6_rtm_newroute+0x104/0x110 [ 5176.033562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.033562][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.033562][ T72] netlink_unicast+0x449/0x710 [ 5176.033562][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.033562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.033562][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.033562][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.033562][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.033562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.033562][ T72] [ 5176.035776][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5176.035776][ T72] dst_init+0x84/0x4a0 [ 5176.035776][ T72] dst_alloc+0x97/0x150 [ 5176.035776][ T72] ip6_dst_alloc+0x23/0x90 [ 5176.035776][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5176.035776][ T72] ip6_pol_route+0x56f/0x840 [ 5176.035776][ T72] fib6_rule_lookup+0x456/0x630 [ 5176.035776][ T72] ip6_route_input+0x59c/0xa50 [ 5176.035776][ T72] ipv6_rcv+0x397/0x810 [ 5176.035776][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5176.035776][ T72] process_backlog+0x101/0x620 [ 5176.035776][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5176.035776][ T72] net_rx_action+0x495/0xbe0 [ 5176.035776][ T72] __do_softirq+0x1b5/0x7f6 [ 5176.035776][ T72] [ 5176.037647][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5176.037647][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.037647][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.037647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.037647][ T72] ip6_route_add+0x1c/0x140 [ 5176.037647][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5176.037647][ T72] inet6_addr_add+0x4f8/0xa40 [ 5176.037647][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.037647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.037647][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.037647][ T72] netlink_unicast+0x449/0x710 [ 5176.037647][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.037647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.037647][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.037647][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.037647][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.037647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.037647][ T72] [ 5176.039904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5176.039904][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.039904][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.039904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.039904][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5176.039904][ T72] ipv6_add_addr+0x411/0x2000 [ 5176.039904][ T72] inet6_addr_add+0x30e/0xa40 [ 5176.039904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.039904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.039904][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.039904][ T72] netlink_unicast+0x449/0x710 [ 5176.039904][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.039904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.039904][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.039904][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.039904][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.039904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.039904][ T72] [ 5176.042142][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5176.042142][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.042142][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.042142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.042142][ T72] ip6_route_add+0x1c/0x140 [ 5176.042142][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5176.042142][ T72] addrconf_add_dev+0xe2/0x170 [ 5176.042142][ T72] inet6_addr_add+0x12f/0xa40 [ 5176.042142][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.042142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.042142][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.042142][ T72] netlink_unicast+0x449/0x710 [ 5176.042142][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.042142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.042142][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.042142][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.042142][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.042142][ T72] [ 5176.044347][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5176.044347][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5176.044347][ T72] ipv6_find_idev+0x102/0x170 [ 5176.044347][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.044347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.044347][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.044347][ T72] netlink_unicast+0x449/0x710 [ 5176.044347][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.044347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.044347][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.044347][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.044347][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.044347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.044347][ T72] [ 5176.046080][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5176.046080][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5176.046080][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5176.046080][ T72] ipv6_find_idev+0x102/0x170 [ 5176.046080][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.046080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.046080][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.046080][ T72] netlink_unicast+0x449/0x710 [ 5176.046080][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.046080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.046080][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.046080][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.046080][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.046080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.046080][ T72] [ 5176.047950][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5176.048241][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5176.048241][ T72] dst_init+0x84/0x4a0 [ 5176.048241][ T72] dst_alloc+0x97/0x150 [ 5176.048241][ T72] ip6_dst_alloc+0x23/0x90 [ 5176.048241][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5176.048241][ T72] ip6_pol_route+0x56f/0x840 [ 5176.048241][ T72] fib6_rule_lookup+0x456/0x630 [ 5176.048241][ T72] ip6_route_input+0x59c/0xa50 [ 5176.048241][ T72] ipv6_rcv+0x397/0x810 [ 5176.048241][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5176.048241][ T72] process_backlog+0x101/0x620 [ 5176.048241][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5176.048241][ T72] net_rx_action+0x495/0xbe0 [ 5176.048241][ T72] __do_softirq+0x1b5/0x7f6 [ 5176.048241][ T72] [ 5176.050087][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5176.050087][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.050087][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.050087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.050087][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5176.050087][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5176.050087][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5176.050087][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5176.050087][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5176.050087][ T72] addrconf_dad_begin+0x310/0x670 [ 5176.050087][ T72] addrconf_dad_work+0x10b/0xab0 [ 5176.050087][ T72] process_one_work+0x84d/0x18a0 [ 5176.050087][ T72] worker_thread+0x587/0xd30 [ 5176.050087][ T72] kthread+0x28a/0x350 [ 5176.050087][ T72] ret_from_fork+0x31/0x70 [ 5176.050087][ T72] ret_from_fork_asm+0x1a/0x30 [ 5176.050087][ T72] [ 5176.052284][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5176.052284][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.052284][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.052284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.052284][ T72] ip6_route_add+0x1c/0x140 [ 5176.052284][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5176.052284][ T72] inet6_addr_add+0x4f8/0xa40 [ 5176.052284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.052284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.052284][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.052284][ T72] netlink_unicast+0x449/0x710 [ 5176.052284][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.052284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.052284][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.052284][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.052284][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.052284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.052284][ T72] [ 5176.054569][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5176.054569][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.054569][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.054569][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.054569][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5176.054569][ T72] ipv6_add_addr+0x411/0x2000 [ 5176.054569][ T72] inet6_addr_add+0x30e/0xa40 [ 5176.054569][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.054569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.054569][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.054569][ T72] netlink_unicast+0x449/0x710 [ 5176.054569][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.054569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.054569][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.054569][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.054569][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.054569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.054569][ T72] [ 5176.056841][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5176.056841][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.056841][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.056841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.056841][ T72] ip6_route_add+0x1c/0x140 [ 5176.056841][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5176.056841][ T72] addrconf_add_dev+0xe2/0x170 [ 5176.056841][ T72] inet6_addr_add+0x12f/0xa40 [ 5176.056841][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.056841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.056841][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.056841][ T72] netlink_unicast+0x449/0x710 [ 5176.056841][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.056841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.056841][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.056841][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.056841][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.056841][ T72] [ 5176.059063][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5176.059063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5176.059063][ T72] ipv6_find_idev+0x102/0x170 [ 5176.059063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.059063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.059063][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.059063][ T72] netlink_unicast+0x449/0x710 [ 5176.059063][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.059063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.059063][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.059063][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.059063][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.059063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.059063][ T72] [ 5176.060845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5176.060845][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5176.060845][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5176.060845][ T72] ipv6_find_idev+0x102/0x170 [ 5176.060845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.060845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.060845][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.060845][ T72] netlink_unicast+0x449/0x710 [ 5176.060845][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.060845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.060845][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.060845][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.060845][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.060845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.060845][ T72] [ 5176.062830][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5176.063159][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5176.063159][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5176.063159][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5176.063159][ T72] fib6_nh_init+0xa22/0x1580 [ 5176.063159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.063159][ T72] ip6_route_add+0x1c/0x140 [ 5176.063159][ T72] inet6_rtm_newroute+0x104/0x110 [ 5176.063159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.063159][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.063159][ T72] netlink_unicast+0x449/0x710 [ 5176.063159][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.063159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.063159][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.063159][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.063159][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.063159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.063159][ T72] [ 5176.065557][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5176.065557][ T72] dst_init+0x84/0x4a0 [ 5176.065557][ T72] dst_alloc+0x97/0x150 [ 5176.065557][ T72] ip6_dst_alloc+0x23/0x90 [ 5176.065557][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5176.065557][ T72] ip6_pol_route+0x56f/0x840 [ 5176.065557][ T72] fib6_rule_lookup+0x456/0x630 [ 5176.065557][ T72] ip6_route_input+0x59c/0xa50 [ 5176.065557][ T72] ipv6_rcv+0x397/0x810 [ 5176.065557][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5176.065557][ T72] process_backlog+0x101/0x620 [ 5176.065557][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5176.065557][ T72] net_rx_action+0x495/0xbe0 [ 5176.065557][ T72] __do_softirq+0x1b5/0x7f6 [ 5176.065557][ T72] [ 5176.067572][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5176.067572][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.067572][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.067572][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.067572][ T72] ip6_route_add+0x1c/0x140 [ 5176.067572][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5176.067572][ T72] inet6_addr_add+0x4f8/0xa40 [ 5176.067572][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.067572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.067572][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.067572][ T72] netlink_unicast+0x449/0x710 [ 5176.067572][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.067572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.067572][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.067572][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.067572][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.067572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.067572][ T72] [ 5176.070052][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5176.070052][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.070052][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.070052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.070052][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5176.070052][ T72] ipv6_add_addr+0x411/0x2000 [ 5176.070052][ T72] inet6_addr_add+0x30e/0xa40 [ 5176.070052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.070052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.070052][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.070052][ T72] netlink_unicast+0x449/0x710 [ 5176.070052][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.070052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.070052][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.070052][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.070052][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.070052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.070052][ T72] [ 5176.072476][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5176.072476][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.072476][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.072476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.072476][ T72] ip6_route_add+0x1c/0x140 [ 5176.072476][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5176.072476][ T72] addrconf_add_dev+0xe2/0x170 [ 5176.072476][ T72] inet6_addr_add+0x12f/0xa40 [ 5176.072476][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.072476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.072476][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.072476][ T72] netlink_unicast+0x449/0x710 [ 5176.072476][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.072476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.072476][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.072476][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.072476][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.072476][ T72] [ 5176.074986][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5176.074986][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5176.074986][ T72] ipv6_find_idev+0x102/0x170 [ 5176.074986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.074986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.074986][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.074986][ T72] netlink_unicast+0x449/0x710 [ 5176.074986][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.074986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.074986][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.074986][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.074986][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.074986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.074986][ T72] [ 5176.076933][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5176.076933][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5176.076933][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5176.076933][ T72] ipv6_find_idev+0x102/0x170 [ 5176.076933][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.076933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.076933][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.076933][ T72] netlink_unicast+0x449/0x710 [ 5176.076933][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.076933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.076933][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.076933][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.076933][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.076933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.076933][ T72] [ 5176.078980][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5176.079334][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5176.079334][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.079334][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.079334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.079334][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5176.079334][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5176.079334][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5176.079334][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5176.079334][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5176.079334][ T72] addrconf_dad_begin+0x310/0x670 [ 5176.079334][ T72] addrconf_dad_work+0x10b/0xab0 [ 5176.079334][ T72] process_one_work+0x84d/0x18a0 [ 5176.079334][ T72] worker_thread+0x587/0xd30 [ 5176.079334][ T72] kthread+0x28a/0x350 [ 5176.079334][ T72] ret_from_fork+0x31/0x70 [ 5176.079334][ T72] ret_from_fork_asm+0x1a/0x30 [ 5176.079334][ T72] [ 5176.081622][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5176.081622][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.081622][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.081622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.081622][ T72] ip6_route_add+0x1c/0x140 [ 5176.081622][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5176.081622][ T72] inet6_addr_add+0x4f8/0xa40 [ 5176.081622][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.081622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.081622][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.081622][ T72] netlink_unicast+0x449/0x710 [ 5176.081622][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.081622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.081622][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.081622][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.081622][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.081622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.081622][ T72] [ 5176.084119][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5176.084119][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.084119][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.084119][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.084119][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5176.084119][ T72] ipv6_add_addr+0x411/0x2000 [ 5176.084119][ T72] inet6_addr_add+0x30e/0xa40 [ 5176.084119][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.084119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.084119][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.084119][ T72] netlink_unicast+0x449/0x710 [ 5176.084119][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.084119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.084119][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.084119][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.084119][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.084119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.084119][ T72] [ 5176.086670][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5176.086670][ T72] netdev_get_by_index+0x5e/0x80 [ 5176.086670][ T72] fib6_nh_init+0x3d8/0x1580 [ 5176.086670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5176.086670][ T72] ip6_route_add+0x1c/0x140 [ 5176.086670][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5176.086670][ T72] addrconf_add_dev+0xe2/0x170 [ 5176.086670][ T72] inet6_addr_add+0x12f/0xa40 [ 5176.086670][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.086670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.086670][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.086670][ T72] netlink_unicast+0x449/0x710 [ 5176.086670][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.086670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.086670][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.086670][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.086670][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.086670][ T72] [ 5176.089144][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5176.089144][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5176.089144][ T72] ipv6_find_idev+0x102/0x170 [ 5176.089144][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.089144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.089144][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.089144][ T72] netlink_unicast+0x449/0x710 [ 5176.089144][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.089144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.089144][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.089144][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.089144][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.089144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.089144][ T72] [ 5176.091031][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5176.091031][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5176.091031][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5176.091031][ T72] ipv6_find_idev+0x102/0x170 [ 5176.091031][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.091031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.091031][ T72] netlink_rcv_skb+0x130/0x360 [ 5176.091031][ T72] netlink_unicast+0x449/0x710 [ 5176.091031][ T72] netlink_sendmsg+0x723/0xbe0 [ 5176.091031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5176.091031][ T72] ___sys_sendmsg+0xee/0x170 [ 5176.091031][ T72] __sys_sendmsg+0xcd/0x170 [ 5176.091031][ T72] do_syscall_64+0xc6/0x1e0 [ 5176.091031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.091031][ T72] [ 5186.192906][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5186.193396][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5186.193396][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5186.193396][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5186.193396][ T72] fib6_nh_init+0xa22/0x1580 [ 5186.193396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.193396][ T72] ip6_route_add+0x1c/0x140 [ 5186.193396][ T72] inet6_rtm_newroute+0x104/0x110 [ 5186.193396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.193396][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.193396][ T72] netlink_unicast+0x449/0x710 [ 5186.193396][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.193396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.193396][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.193396][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.193396][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.193396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.193396][ T72] [ 5186.195328][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5186.195328][ T72] dst_init+0x84/0x4a0 [ 5186.195328][ T72] dst_alloc+0x97/0x150 [ 5186.195328][ T72] ip6_dst_alloc+0x23/0x90 [ 5186.195328][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5186.195328][ T72] ip6_pol_route+0x56f/0x840 [ 5186.195328][ T72] fib6_rule_lookup+0x456/0x630 [ 5186.195328][ T72] ip6_route_input+0x59c/0xa50 [ 5186.195328][ T72] ipv6_rcv+0x397/0x810 [ 5186.195328][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5186.195328][ T72] process_backlog+0x101/0x620 [ 5186.195328][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5186.195328][ T72] net_rx_action+0x495/0xbe0 [ 5186.195328][ T72] __do_softirq+0x1b5/0x7f6 [ 5186.195328][ T72] [ 5186.197057][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5186.197057][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.197057][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.197057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.197057][ T72] ip6_route_add+0x1c/0x140 [ 5186.197057][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5186.197057][ T72] inet6_addr_add+0x4f8/0xa40 [ 5186.197057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.197057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.197057][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.197057][ T72] netlink_unicast+0x449/0x710 [ 5186.197057][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.197057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.197057][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.197057][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.197057][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.197057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.197057][ T72] [ 5186.199089][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5186.199089][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.199089][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.199089][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.199089][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5186.199089][ T72] ipv6_add_addr+0x411/0x2000 [ 5186.199089][ T72] inet6_addr_add+0x30e/0xa40 [ 5186.199089][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.199089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.199089][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.199089][ T72] netlink_unicast+0x449/0x710 [ 5186.199089][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.199089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.199089][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.199089][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.199089][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.199089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.199089][ T72] [ 5186.201073][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5186.201073][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.201073][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.201073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.201073][ T72] ip6_route_add+0x1c/0x140 [ 5186.201073][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5186.201073][ T72] addrconf_add_dev+0xe2/0x170 [ 5186.201073][ T72] inet6_addr_add+0x12f/0xa40 [ 5186.201073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.201073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.201073][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.201073][ T72] netlink_unicast+0x449/0x710 [ 5186.201073][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.201073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.201073][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.201073][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.201073][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.201073][ T72] [ 5186.202998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5186.202998][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5186.202998][ T72] ipv6_find_idev+0x102/0x170 [ 5186.202998][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.202998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.202998][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.202998][ T72] netlink_unicast+0x449/0x710 [ 5186.202998][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.202998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.202998][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.202998][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.202998][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.202998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.202998][ T72] [ 5186.204546][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5186.204546][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5186.204546][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5186.204546][ T72] ipv6_find_idev+0x102/0x170 [ 5186.204546][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.204546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.204546][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.204546][ T72] netlink_unicast+0x449/0x710 [ 5186.204546][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.204546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.204546][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.204546][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.204546][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.204546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.204546][ T72] [ 5186.206251][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5186.206530][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5186.206530][ T72] dst_init+0x84/0x4a0 [ 5186.206530][ T72] dst_alloc+0x97/0x150 [ 5186.206530][ T72] ip6_dst_alloc+0x23/0x90 [ 5186.206530][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5186.206530][ T72] ip6_pol_route+0x56f/0x840 [ 5186.206530][ T72] fib6_rule_lookup+0x456/0x630 [ 5186.206530][ T72] ip6_route_input+0x59c/0xa50 [ 5186.206530][ T72] ipv6_rcv+0x397/0x810 [ 5186.206530][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5186.206530][ T72] process_backlog+0x101/0x620 [ 5186.206530][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5186.206530][ T72] net_rx_action+0x495/0xbe0 [ 5186.206530][ T72] __do_softirq+0x1b5/0x7f6 [ 5186.206530][ T72] [ 5186.208162][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5186.208162][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.208162][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.208162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.208162][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5186.208162][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5186.208162][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5186.208162][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5186.208162][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5186.208162][ T72] addrconf_dad_begin+0x310/0x670 [ 5186.208162][ T72] addrconf_dad_work+0x10b/0xab0 [ 5186.208162][ T72] process_one_work+0x84d/0x18a0 [ 5186.208162][ T72] worker_thread+0x587/0xd30 [ 5186.208162][ T72] kthread+0x28a/0x350 [ 5186.208162][ T72] ret_from_fork+0x31/0x70 [ 5186.208162][ T72] ret_from_fork_asm+0x1a/0x30 [ 5186.208162][ T72] [ 5186.210039][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5186.210039][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.210039][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.210039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.210039][ T72] ip6_route_add+0x1c/0x140 [ 5186.210039][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5186.210039][ T72] inet6_addr_add+0x4f8/0xa40 [ 5186.210039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.210039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.210039][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.210039][ T72] netlink_unicast+0x449/0x710 [ 5186.210039][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.210039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.210039][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.210039][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.210039][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.210039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.210039][ T72] [ 5186.212034][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5186.212034][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.212034][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.212034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.212034][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5186.212034][ T72] ipv6_add_addr+0x411/0x2000 [ 5186.212034][ T72] inet6_addr_add+0x30e/0xa40 [ 5186.212034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.212034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.212034][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.212034][ T72] netlink_unicast+0x449/0x710 [ 5186.212034][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.212034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.212034][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.212034][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.212034][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.212034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.212034][ T72] [ 5186.214041][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5186.214041][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.214041][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.214041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.214041][ T72] ip6_route_add+0x1c/0x140 [ 5186.214041][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5186.214041][ T72] addrconf_add_dev+0xe2/0x170 [ 5186.214041][ T72] inet6_addr_add+0x12f/0xa40 [ 5186.214041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.214041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.214041][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.214041][ T72] netlink_unicast+0x449/0x710 [ 5186.214041][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.214041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.214041][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.214041][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.214041][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.214041][ T72] [ 5186.215994][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5186.215994][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5186.215994][ T72] ipv6_find_idev+0x102/0x170 [ 5186.215994][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.215994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.215994][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.215994][ T72] netlink_unicast+0x449/0x710 [ 5186.215994][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.215994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.215994][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.215994][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.215994][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.215994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.215994][ T72] [ 5186.218095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5186.218095][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5186.218095][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5186.218095][ T72] ipv6_find_idev+0x102/0x170 [ 5186.218095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.218095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.218095][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.218095][ T72] netlink_unicast+0x449/0x710 [ 5186.218095][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.218095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.218095][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.218095][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.218095][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.218095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.218095][ T72] [ 5186.219829][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5186.220155][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5186.220155][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5186.220155][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5186.220155][ T72] fib6_nh_init+0xa22/0x1580 [ 5186.220155][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.220155][ T72] ip6_route_add+0x1c/0x140 [ 5186.220155][ T72] inet6_rtm_newroute+0x104/0x110 [ 5186.220155][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.220155][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.220155][ T72] netlink_unicast+0x449/0x710 [ 5186.220155][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.220155][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.220155][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.220155][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.220155][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.220155][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.220155][ T72] [ 5186.222291][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5186.222291][ T72] dst_init+0x84/0x4a0 [ 5186.222291][ T72] dst_alloc+0x97/0x150 [ 5186.222291][ T72] ip6_dst_alloc+0x23/0x90 [ 5186.222291][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5186.222291][ T72] ip6_pol_route+0x56f/0x840 [ 5186.222291][ T72] fib6_rule_lookup+0x456/0x630 [ 5186.222291][ T72] ip6_route_input+0x59c/0xa50 [ 5186.222291][ T72] ipv6_rcv+0x397/0x810 [ 5186.222291][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5186.222291][ T72] process_backlog+0x101/0x620 [ 5186.222291][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5186.222291][ T72] net_rx_action+0x495/0xbe0 [ 5186.222291][ T72] __do_softirq+0x1b5/0x7f6 [ 5186.222291][ T72] [ 5186.224122][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5186.224122][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.224122][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.224122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.224122][ T72] ip6_route_add+0x1c/0x140 [ 5186.224122][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5186.224122][ T72] inet6_addr_add+0x4f8/0xa40 [ 5186.224122][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.224122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.224122][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.224122][ T72] netlink_unicast+0x449/0x710 [ 5186.224122][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.224122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.224122][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.224122][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.224122][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.224122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.224122][ T72] [ 5186.226346][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5186.226346][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.226346][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.226346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.226346][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5186.226346][ T72] ipv6_add_addr+0x411/0x2000 [ 5186.226346][ T72] inet6_addr_add+0x30e/0xa40 [ 5186.226346][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.226346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.226346][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.226346][ T72] netlink_unicast+0x449/0x710 [ 5186.226346][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.226346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.226346][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.226346][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.226346][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.226346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.226346][ T72] [ 5186.228610][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5186.228610][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.228610][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.228610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.228610][ T72] ip6_route_add+0x1c/0x140 [ 5186.228610][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5186.228610][ T72] addrconf_add_dev+0xe2/0x170 [ 5186.228610][ T72] inet6_addr_add+0x12f/0xa40 [ 5186.228610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.228610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.228610][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.228610][ T72] netlink_unicast+0x449/0x710 [ 5186.228610][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.228610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.228610][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.228610][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.228610][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.228610][ T72] [ 5186.230863][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5186.230863][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5186.230863][ T72] ipv6_find_idev+0x102/0x170 [ 5186.230863][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.230863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.230863][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.230863][ T72] netlink_unicast+0x449/0x710 [ 5186.230863][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.230863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.230863][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.230863][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.230863][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.230863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.230863][ T72] [ 5186.232606][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5186.232606][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5186.232606][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5186.232606][ T72] ipv6_find_idev+0x102/0x170 [ 5186.232606][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.232606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.232606][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.232606][ T72] netlink_unicast+0x449/0x710 [ 5186.232606][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.232606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.232606][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.232606][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.232606][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.232606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.232606][ T72] [ 5186.234481][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5186.234759][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5186.234759][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.234759][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.234759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.234759][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5186.234759][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5186.234759][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5186.234759][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5186.234759][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5186.234759][ T72] addrconf_dad_begin+0x310/0x670 [ 5186.234759][ T72] addrconf_dad_work+0x10b/0xab0 [ 5186.234759][ T72] process_one_work+0x84d/0x18a0 [ 5186.234759][ T72] worker_thread+0x587/0xd30 [ 5186.234759][ T72] kthread+0x28a/0x350 [ 5186.234759][ T72] ret_from_fork+0x31/0x70 [ 5186.234759][ T72] ret_from_fork_asm+0x1a/0x30 [ 5186.234759][ T72] [ 5186.268018][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5186.268018][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.268018][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.268018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.268018][ T72] ip6_route_add+0x1c/0x140 [ 5186.268018][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5186.268018][ T72] inet6_addr_add+0x4f8/0xa40 [ 5186.268018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.268018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.268018][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.268018][ T72] netlink_unicast+0x449/0x710 [ 5186.268018][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.268018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.268018][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.268018][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.268018][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.268018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.268018][ T72] [ 5186.270287][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5186.270287][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.270287][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.270287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.270287][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5186.270287][ T72] ipv6_add_addr+0x411/0x2000 [ 5186.270287][ T72] inet6_addr_add+0x30e/0xa40 [ 5186.270287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.270287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.270287][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.270287][ T72] netlink_unicast+0x449/0x710 [ 5186.270287][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.270287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.270287][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.270287][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.270287][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.270287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.270287][ T72] [ 5186.272616][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5186.272616][ T72] netdev_get_by_index+0x5e/0x80 [ 5186.272616][ T72] fib6_nh_init+0x3d8/0x1580 [ 5186.272616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5186.272616][ T72] ip6_route_add+0x1c/0x140 [ 5186.272616][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5186.272616][ T72] addrconf_add_dev+0xe2/0x170 [ 5186.272616][ T72] inet6_addr_add+0x12f/0xa40 [ 5186.272616][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.272616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.272616][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.272616][ T72] netlink_unicast+0x449/0x710 [ 5186.272616][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.272616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.272616][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.272616][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.272616][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.272616][ T72] [ 5186.274763][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5186.274763][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5186.274763][ T72] ipv6_find_idev+0x102/0x170 [ 5186.274763][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.274763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.274763][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.274763][ T72] netlink_unicast+0x449/0x710 [ 5186.274763][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.274763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.274763][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.274763][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.274763][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.274763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.274763][ T72] [ 5186.276482][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5186.276482][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5186.276482][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5186.276482][ T72] ipv6_find_idev+0x102/0x170 [ 5186.276482][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.276482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.276482][ T72] netlink_rcv_skb+0x130/0x360 [ 5186.276482][ T72] netlink_unicast+0x449/0x710 [ 5186.276482][ T72] netlink_sendmsg+0x723/0xbe0 [ 5186.276482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5186.276482][ T72] ___sys_sendmsg+0xee/0x170 [ 5186.276482][ T72] __sys_sendmsg+0xcd/0x170 [ 5186.276482][ T72] do_syscall_64+0xc6/0x1e0 [ 5186.276482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.276482][ T72] [ 5196.520911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5196.521356][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5196.521356][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5196.521356][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5196.521356][ T72] fib6_nh_init+0xa22/0x1580 [ 5196.521356][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.521356][ T72] ip6_route_add+0x1c/0x140 [ 5196.521356][ T72] inet6_rtm_newroute+0x104/0x110 [ 5196.521356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.521356][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.521356][ T72] netlink_unicast+0x449/0x710 [ 5196.521356][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.521356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.521356][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.521356][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.521356][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.521356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.521356][ T72] [ 5196.523312][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5196.523312][ T72] dst_init+0x84/0x4a0 [ 5196.523312][ T72] dst_alloc+0x97/0x150 [ 5196.523312][ T72] ip6_dst_alloc+0x23/0x90 [ 5196.523312][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5196.523312][ T72] ip6_pol_route+0x56f/0x840 [ 5196.523312][ T72] fib6_rule_lookup+0x456/0x630 [ 5196.523312][ T72] ip6_route_input+0x59c/0xa50 [ 5196.523312][ T72] ipv6_rcv+0x397/0x810 [ 5196.523312][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5196.523312][ T72] process_backlog+0x101/0x620 [ 5196.523312][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5196.523312][ T72] net_rx_action+0x495/0xbe0 [ 5196.523312][ T72] __do_softirq+0x1b5/0x7f6 [ 5196.523312][ T72] [ 5196.525001][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5196.525001][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.525001][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.525001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.525001][ T72] ip6_route_add+0x1c/0x140 [ 5196.525001][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5196.525001][ T72] inet6_addr_add+0x4f8/0xa40 [ 5196.525001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.525001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.525001][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.525001][ T72] netlink_unicast+0x449/0x710 [ 5196.525001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.525001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.525001][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.525001][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.525001][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.525001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.525001][ T72] [ 5196.527016][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5196.527016][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.527016][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.527016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.527016][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5196.527016][ T72] ipv6_add_addr+0x411/0x2000 [ 5196.527016][ T72] inet6_addr_add+0x30e/0xa40 [ 5196.527016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.527016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.527016][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.527016][ T72] netlink_unicast+0x449/0x710 [ 5196.527016][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.527016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.527016][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.527016][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.527016][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.527016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.527016][ T72] [ 5196.529048][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5196.529048][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.529048][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.529048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.529048][ T72] ip6_route_add+0x1c/0x140 [ 5196.529048][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5196.529048][ T72] addrconf_add_dev+0xe2/0x170 [ 5196.529048][ T72] inet6_addr_add+0x12f/0xa40 [ 5196.529048][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.529048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.529048][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.529048][ T72] netlink_unicast+0x449/0x710 [ 5196.529048][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.529048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.529048][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.529048][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.529048][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.529048][ T72] [ 5196.531070][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5196.531070][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5196.531070][ T72] ipv6_find_idev+0x102/0x170 [ 5196.531070][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.531070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.531070][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.531070][ T72] netlink_unicast+0x449/0x710 [ 5196.531070][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.531070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.531070][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.531070][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.531070][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.531070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.531070][ T72] [ 5196.532619][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5196.532619][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5196.532619][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5196.532619][ T72] ipv6_find_idev+0x102/0x170 [ 5196.532619][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.532619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.532619][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.532619][ T72] netlink_unicast+0x449/0x710 [ 5196.532619][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.532619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.532619][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.532619][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.532619][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.532619][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.532619][ T72] [ 5196.534328][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5196.534604][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5196.534604][ T72] dst_init+0x84/0x4a0 [ 5196.534604][ T72] dst_alloc+0x97/0x150 [ 5196.534604][ T72] ip6_dst_alloc+0x23/0x90 [ 5196.534604][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5196.534604][ T72] ip6_pol_route+0x56f/0x840 [ 5196.534604][ T72] fib6_rule_lookup+0x456/0x630 [ 5196.534604][ T72] ip6_route_input+0x59c/0xa50 [ 5196.534604][ T72] ipv6_rcv+0x397/0x810 [ 5196.534604][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5196.534604][ T72] process_backlog+0x101/0x620 [ 5196.534604][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5196.534604][ T72] net_rx_action+0x495/0xbe0 [ 5196.534604][ T72] __do_softirq+0x1b5/0x7f6 [ 5196.534604][ T72] [ 5196.536247][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5196.536247][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.536247][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.536247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.536247][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5196.536247][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5196.536247][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5196.536247][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5196.536247][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5196.536247][ T72] addrconf_dad_begin+0x310/0x670 [ 5196.536247][ T72] addrconf_dad_work+0x10b/0xab0 [ 5196.536247][ T72] process_one_work+0x84d/0x18a0 [ 5196.536247][ T72] worker_thread+0x587/0xd30 [ 5196.536247][ T72] kthread+0x28a/0x350 [ 5196.536247][ T72] ret_from_fork+0x31/0x70 [ 5196.536247][ T72] ret_from_fork_asm+0x1a/0x30 [ 5196.536247][ T72] [ 5196.538222][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5196.538222][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.538222][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.538222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.538222][ T72] ip6_route_add+0x1c/0x140 [ 5196.538222][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5196.538222][ T72] inet6_addr_add+0x4f8/0xa40 [ 5196.538222][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.538222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.538222][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.538222][ T72] netlink_unicast+0x449/0x710 [ 5196.538222][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.538222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.538222][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.538222][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.538222][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.538222][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.538222][ T72] [ 5196.540262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5196.540262][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.540262][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.540262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.540262][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5196.540262][ T72] ipv6_add_addr+0x411/0x2000 [ 5196.540262][ T72] inet6_addr_add+0x30e/0xa40 [ 5196.540262][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.540262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.540262][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.540262][ T72] netlink_unicast+0x449/0x710 [ 5196.540262][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.540262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.540262][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.540262][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.540262][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.540262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.540262][ T72] [ 5196.542302][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5196.542302][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.542302][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.542302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.542302][ T72] ip6_route_add+0x1c/0x140 [ 5196.542302][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5196.542302][ T72] addrconf_add_dev+0xe2/0x170 [ 5196.542302][ T72] inet6_addr_add+0x12f/0xa40 [ 5196.542302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.542302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.542302][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.542302][ T72] netlink_unicast+0x449/0x710 [ 5196.542302][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.542302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.542302][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.542302][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.542302][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.542302][ T72] [ 5196.544307][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5196.544307][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5196.544307][ T72] ipv6_find_idev+0x102/0x170 [ 5196.544307][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.544307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.544307][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.544307][ T72] netlink_unicast+0x449/0x710 [ 5196.544307][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.544307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.544307][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.544307][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.544307][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.544307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.544307][ T72] [ 5196.545882][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5196.545882][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5196.545882][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5196.545882][ T72] ipv6_find_idev+0x102/0x170 [ 5196.545882][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.545882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.545882][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.545882][ T72] netlink_unicast+0x449/0x710 [ 5196.545882][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.545882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.545882][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.545882][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.545882][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.545882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.545882][ T72] [ 5196.547679][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5196.548014][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5196.548014][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5196.548014][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5196.548014][ T72] fib6_nh_init+0xa22/0x1580 [ 5196.548014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.548014][ T72] ip6_route_add+0x1c/0x140 [ 5196.548014][ T72] inet6_rtm_newroute+0x104/0x110 [ 5196.548014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.548014][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.548014][ T72] netlink_unicast+0x449/0x710 [ 5196.548014][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.548014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.548014][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.548014][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.548014][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.548014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.548014][ T72] [ 5196.550172][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5196.550172][ T72] dst_init+0x84/0x4a0 [ 5196.550172][ T72] dst_alloc+0x97/0x150 [ 5196.550172][ T72] ip6_dst_alloc+0x23/0x90 [ 5196.550172][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5196.550172][ T72] ip6_pol_route+0x56f/0x840 [ 5196.550172][ T72] fib6_rule_lookup+0x456/0x630 [ 5196.550172][ T72] ip6_route_input+0x59c/0xa50 [ 5196.550172][ T72] ipv6_rcv+0x397/0x810 [ 5196.550172][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5196.550172][ T72] process_backlog+0x101/0x620 [ 5196.550172][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5196.550172][ T72] net_rx_action+0x495/0xbe0 [ 5196.550172][ T72] __do_softirq+0x1b5/0x7f6 [ 5196.550172][ T72] [ 5196.552001][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5196.552001][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.552001][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.552001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.552001][ T72] ip6_route_add+0x1c/0x140 [ 5196.552001][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5196.552001][ T72] inet6_addr_add+0x4f8/0xa40 [ 5196.552001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.552001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.552001][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.552001][ T72] netlink_unicast+0x449/0x710 [ 5196.552001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.552001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.552001][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.552001][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.552001][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.552001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.552001][ T72] [ 5196.554249][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5196.554249][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.554249][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.554249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.554249][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5196.554249][ T72] ipv6_add_addr+0x411/0x2000 [ 5196.554249][ T72] inet6_addr_add+0x30e/0xa40 [ 5196.554249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.554249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.554249][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.554249][ T72] netlink_unicast+0x449/0x710 [ 5196.554249][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.554249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.554249][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.554249][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.554249][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.554249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.554249][ T72] [ 5196.556500][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5196.556500][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.556500][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.556500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.556500][ T72] ip6_route_add+0x1c/0x140 [ 5196.556500][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5196.556500][ T72] addrconf_add_dev+0xe2/0x170 [ 5196.556500][ T72] inet6_addr_add+0x12f/0xa40 [ 5196.556500][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.556500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.556500][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.556500][ T72] netlink_unicast+0x449/0x710 [ 5196.556500][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.556500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.556500][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.556500][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.556500][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.556500][ T72] [ 5196.558786][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5196.558786][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5196.558786][ T72] ipv6_find_idev+0x102/0x170 [ 5196.558786][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.558786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.558786][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.558786][ T72] netlink_unicast+0x449/0x710 [ 5196.558786][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.558786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.558786][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.558786][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.558786][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.558786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.558786][ T72] [ 5196.560551][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5196.560551][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5196.560551][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5196.560551][ T72] ipv6_find_idev+0x102/0x170 [ 5196.560551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.560551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.560551][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.560551][ T72] netlink_unicast+0x449/0x710 [ 5196.560551][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.560551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.560551][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.560551][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.560551][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.560551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.560551][ T72] [ 5196.562455][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5196.562727][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5196.562727][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.562727][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.562727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.562727][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5196.562727][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5196.562727][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5196.562727][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5196.562727][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5196.562727][ T72] addrconf_dad_begin+0x310/0x670 [ 5196.562727][ T72] addrconf_dad_work+0x10b/0xab0 [ 5196.562727][ T72] process_one_work+0x84d/0x18a0 [ 5196.562727][ T72] worker_thread+0x587/0xd30 [ 5196.562727][ T72] kthread+0x28a/0x350 [ 5196.562727][ T72] ret_from_fork+0x31/0x70 [ 5196.562727][ T72] ret_from_fork_asm+0x1a/0x30 [ 5196.562727][ T72] [ 5196.564926][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5196.564926][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.564926][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.564926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.564926][ T72] ip6_route_add+0x1c/0x140 [ 5196.564926][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5196.564926][ T72] inet6_addr_add+0x4f8/0xa40 [ 5196.564926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.564926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.564926][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.564926][ T72] netlink_unicast+0x449/0x710 [ 5196.564926][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.564926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.564926][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.564926][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.564926][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.564926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.564926][ T72] [ 5196.567254][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5196.567254][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.567254][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.567254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.567254][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5196.567254][ T72] ipv6_add_addr+0x411/0x2000 [ 5196.567254][ T72] inet6_addr_add+0x30e/0xa40 [ 5196.567254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.567254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.567254][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.567254][ T72] netlink_unicast+0x449/0x710 [ 5196.567254][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.567254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.567254][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.567254][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.567254][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.567254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.567254][ T72] [ 5196.569605][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5196.569605][ T72] netdev_get_by_index+0x5e/0x80 [ 5196.569605][ T72] fib6_nh_init+0x3d8/0x1580 [ 5196.569605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5196.569605][ T72] ip6_route_add+0x1c/0x140 [ 5196.569605][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5196.569605][ T72] addrconf_add_dev+0xe2/0x170 [ 5196.569605][ T72] inet6_addr_add+0x12f/0xa40 [ 5196.569605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.569605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.569605][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.569605][ T72] netlink_unicast+0x449/0x710 [ 5196.569605][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.569605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.569605][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.569605][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.569605][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.569605][ T72] [ 5196.571771][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5196.571771][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5196.571771][ T72] ipv6_find_idev+0x102/0x170 [ 5196.571771][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.571771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.571771][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.571771][ T72] netlink_unicast+0x449/0x710 [ 5196.571771][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.571771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.571771][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.571771][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.571771][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.571771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.571771][ T72] [ 5196.573496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5196.573496][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5196.573496][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5196.573496][ T72] ipv6_find_idev+0x102/0x170 [ 5196.573496][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.573496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.573496][ T72] netlink_rcv_skb+0x130/0x360 [ 5196.573496][ T72] netlink_unicast+0x449/0x710 [ 5196.573496][ T72] netlink_sendmsg+0x723/0xbe0 [ 5196.573496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5196.573496][ T72] ___sys_sendmsg+0xee/0x170 [ 5196.573496][ T72] __sys_sendmsg+0xcd/0x170 [ 5196.573496][ T72] do_syscall_64+0xc6/0x1e0 [ 5196.573496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.573496][ T72] [ 5206.817001][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5206.817707][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5206.817707][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5206.817707][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5206.817707][ T72] fib6_nh_init+0xa22/0x1580 [ 5206.817707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.817707][ T72] ip6_route_add+0x1c/0x140 [ 5206.817707][ T72] inet6_rtm_newroute+0x104/0x110 [ 5206.817707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.817707][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.817707][ T72] netlink_unicast+0x449/0x710 [ 5206.817707][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.817707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.817707][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.817707][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.817707][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.817707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.817707][ T72] [ 5206.819847][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5206.819847][ T72] dst_init+0x84/0x4a0 [ 5206.819847][ T72] dst_alloc+0x97/0x150 [ 5206.819847][ T72] ip6_dst_alloc+0x23/0x90 [ 5206.819847][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5206.819847][ T72] ip6_pol_route+0x56f/0x840 [ 5206.819847][ T72] fib6_rule_lookup+0x456/0x630 [ 5206.819847][ T72] ip6_route_input+0x59c/0xa50 [ 5206.819847][ T72] ipv6_rcv+0x397/0x810 [ 5206.819847][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5206.819847][ T72] process_backlog+0x101/0x620 [ 5206.819847][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5206.819847][ T72] net_rx_action+0x495/0xbe0 [ 5206.819847][ T72] __do_softirq+0x1b5/0x7f6 [ 5206.819847][ T72] [ 5206.821675][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5206.821675][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.821675][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.821675][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.821675][ T72] ip6_route_add+0x1c/0x140 [ 5206.821675][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5206.821675][ T72] inet6_addr_add+0x4f8/0xa40 [ 5206.821675][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.821675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.821675][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.821675][ T72] netlink_unicast+0x449/0x710 [ 5206.821675][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.821675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.821675][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.821675][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.821675][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.821675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.821675][ T72] [ 5206.823989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5206.823989][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.823989][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.823989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.823989][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5206.823989][ T72] ipv6_add_addr+0x411/0x2000 [ 5206.823989][ T72] inet6_addr_add+0x30e/0xa40 [ 5206.823989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.823989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.823989][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.823989][ T72] netlink_unicast+0x449/0x710 [ 5206.823989][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.823989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.823989][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.823989][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.823989][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.823989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.823989][ T72] [ 5206.826244][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5206.826244][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.826244][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.826244][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.826244][ T72] ip6_route_add+0x1c/0x140 [ 5206.826244][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5206.826244][ T72] addrconf_add_dev+0xe2/0x170 [ 5206.826244][ T72] inet6_addr_add+0x12f/0xa40 [ 5206.826244][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.826244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.826244][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.826244][ T72] netlink_unicast+0x449/0x710 [ 5206.826244][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.826244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.826244][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.826244][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.826244][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.826244][ T72] [ 5206.828410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5206.828410][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5206.828410][ T72] ipv6_find_idev+0x102/0x170 [ 5206.828410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.828410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.828410][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.828410][ T72] netlink_unicast+0x449/0x710 [ 5206.828410][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.828410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.828410][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.828410][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.828410][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.828410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.828410][ T72] [ 5206.830166][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5206.830166][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5206.830166][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5206.830166][ T72] ipv6_find_idev+0x102/0x170 [ 5206.830166][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.830166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.830166][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.830166][ T72] netlink_unicast+0x449/0x710 [ 5206.830166][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.830166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.830166][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.830166][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.830166][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.830166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.830166][ T72] [ 5206.832061][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5206.832375][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5206.832375][ T72] dst_init+0x84/0x4a0 [ 5206.832375][ T72] dst_alloc+0x97/0x150 [ 5206.832375][ T72] ip6_dst_alloc+0x23/0x90 [ 5206.832375][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5206.832375][ T72] ip6_pol_route+0x56f/0x840 [ 5206.832375][ T72] fib6_rule_lookup+0x456/0x630 [ 5206.832375][ T72] ip6_route_input+0x59c/0xa50 [ 5206.832375][ T72] ipv6_rcv+0x397/0x810 [ 5206.832375][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5206.832375][ T72] process_backlog+0x101/0x620 [ 5206.832375][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5206.832375][ T72] net_rx_action+0x495/0xbe0 [ 5206.832375][ T72] __do_softirq+0x1b5/0x7f6 [ 5206.832375][ T72] [ 5206.834287][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5206.834287][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.834287][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.834287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.834287][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5206.834287][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5206.834287][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5206.834287][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5206.834287][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5206.834287][ T72] addrconf_dad_begin+0x310/0x670 [ 5206.834287][ T72] addrconf_dad_work+0x10b/0xab0 [ 5206.834287][ T72] process_one_work+0x84d/0x18a0 [ 5206.834287][ T72] worker_thread+0x587/0xd30 [ 5206.834287][ T72] kthread+0x28a/0x350 [ 5206.834287][ T72] ret_from_fork+0x31/0x70 [ 5206.834287][ T72] ret_from_fork_asm+0x1a/0x30 [ 5206.834287][ T72] [ 5206.836417][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5206.836417][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.836417][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.836417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.836417][ T72] ip6_route_add+0x1c/0x140 [ 5206.836417][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5206.836417][ T72] inet6_addr_add+0x4f8/0xa40 [ 5206.836417][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.836417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.836417][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.836417][ T72] netlink_unicast+0x449/0x710 [ 5206.836417][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.836417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.836417][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.836417][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.836417][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.836417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.836417][ T72] [ 5206.838694][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5206.838694][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.838694][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.838694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.838694][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5206.838694][ T72] ipv6_add_addr+0x411/0x2000 [ 5206.838694][ T72] inet6_addr_add+0x30e/0xa40 [ 5206.838694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.838694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.838694][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.838694][ T72] netlink_unicast+0x449/0x710 [ 5206.838694][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.838694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.838694][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.838694][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.838694][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.838694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.838694][ T72] [ 5206.840929][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5206.840929][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.840929][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.840929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.840929][ T72] ip6_route_add+0x1c/0x140 [ 5206.840929][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5206.840929][ T72] addrconf_add_dev+0xe2/0x170 [ 5206.840929][ T72] inet6_addr_add+0x12f/0xa40 [ 5206.840929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.840929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.840929][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.840929][ T72] netlink_unicast+0x449/0x710 [ 5206.840929][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.840929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.840929][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.840929][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.840929][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.840929][ T72] [ 5206.843121][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5206.843121][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5206.843121][ T72] ipv6_find_idev+0x102/0x170 [ 5206.843121][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.843121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.843121][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.843121][ T72] netlink_unicast+0x449/0x710 [ 5206.843121][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.843121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.843121][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.843121][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.843121][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.843121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.843121][ T72] [ 5206.844881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5206.844881][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5206.844881][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5206.844881][ T72] ipv6_find_idev+0x102/0x170 [ 5206.844881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.844881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.844881][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.844881][ T72] netlink_unicast+0x449/0x710 [ 5206.844881][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.844881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.844881][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.844881][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.844881][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.844881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.844881][ T72] [ 5206.846908][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5206.847216][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5206.847216][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5206.847216][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5206.847216][ T72] fib6_nh_init+0xa22/0x1580 [ 5206.847216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.847216][ T72] ip6_route_add+0x1c/0x140 [ 5206.847216][ T72] inet6_rtm_newroute+0x104/0x110 [ 5206.847216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.847216][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.847216][ T72] netlink_unicast+0x449/0x710 [ 5206.847216][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.847216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.847216][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.847216][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.847216][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.847216][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.847216][ T72] [ 5206.849691][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5206.849691][ T72] dst_init+0x84/0x4a0 [ 5206.849691][ T72] dst_alloc+0x97/0x150 [ 5206.849691][ T72] ip6_dst_alloc+0x23/0x90 [ 5206.849691][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5206.849691][ T72] ip6_pol_route+0x56f/0x840 [ 5206.849691][ T72] fib6_rule_lookup+0x456/0x630 [ 5206.849691][ T72] ip6_route_input+0x59c/0xa50 [ 5206.849691][ T72] ipv6_rcv+0x397/0x810 [ 5206.849691][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5206.849691][ T72] process_backlog+0x101/0x620 [ 5206.849691][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5206.849691][ T72] net_rx_action+0x495/0xbe0 [ 5206.849691][ T72] __do_softirq+0x1b5/0x7f6 [ 5206.849691][ T72] [ 5206.851711][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5206.851711][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.851711][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.851711][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.851711][ T72] ip6_route_add+0x1c/0x140 [ 5206.851711][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5206.851711][ T72] inet6_addr_add+0x4f8/0xa40 [ 5206.851711][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.851711][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.851711][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.851711][ T72] netlink_unicast+0x449/0x710 [ 5206.851711][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.851711][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.851711][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.851711][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.851711][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.851711][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.851711][ T72] [ 5206.854199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5206.854199][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.854199][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.854199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.854199][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5206.854199][ T72] ipv6_add_addr+0x411/0x2000 [ 5206.854199][ T72] inet6_addr_add+0x30e/0xa40 [ 5206.854199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.854199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.854199][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.854199][ T72] netlink_unicast+0x449/0x710 [ 5206.854199][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.854199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.854199][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.854199][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.854199][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.854199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.854199][ T72] [ 5206.856651][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5206.856651][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.856651][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.856651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.856651][ T72] ip6_route_add+0x1c/0x140 [ 5206.856651][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5206.856651][ T72] addrconf_add_dev+0xe2/0x170 [ 5206.856651][ T72] inet6_addr_add+0x12f/0xa40 [ 5206.856651][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.856651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.856651][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.856651][ T72] netlink_unicast+0x449/0x710 [ 5206.856651][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.856651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.856651][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.856651][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.856651][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.856651][ T72] [ 5206.859161][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5206.859161][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5206.859161][ T72] ipv6_find_idev+0x102/0x170 [ 5206.859161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.859161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.859161][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.859161][ T72] netlink_unicast+0x449/0x710 [ 5206.859161][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.859161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.859161][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.859161][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.859161][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.859161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.859161][ T72] [ 5206.861079][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5206.861079][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5206.861079][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5206.861079][ T72] ipv6_find_idev+0x102/0x170 [ 5206.861079][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.861079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.861079][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.861079][ T72] netlink_unicast+0x449/0x710 [ 5206.861079][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.861079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.861079][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.861079][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.861079][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.861079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.861079][ T72] [ 5206.863158][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5206.863544][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5206.863544][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.863544][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.863544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.863544][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5206.863544][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5206.863544][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5206.863544][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5206.863544][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5206.863544][ T72] addrconf_dad_begin+0x310/0x670 [ 5206.863544][ T72] addrconf_dad_work+0x10b/0xab0 [ 5206.863544][ T72] process_one_work+0x84d/0x18a0 [ 5206.863544][ T72] worker_thread+0x587/0xd30 [ 5206.863544][ T72] kthread+0x28a/0x350 [ 5206.863544][ T72] ret_from_fork+0x31/0x70 [ 5206.863544][ T72] ret_from_fork_asm+0x1a/0x30 [ 5206.863544][ T72] [ 5206.865848][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5206.865848][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.865848][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.865848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.865848][ T72] ip6_route_add+0x1c/0x140 [ 5206.865848][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5206.865848][ T72] inet6_addr_add+0x4f8/0xa40 [ 5206.865848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.865848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.865848][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.865848][ T72] netlink_unicast+0x449/0x710 [ 5206.865848][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.865848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.865848][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.865848][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.865848][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.865848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.865848][ T72] [ 5206.868351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5206.868351][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.868351][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.868351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.868351][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5206.868351][ T72] ipv6_add_addr+0x411/0x2000 [ 5206.868351][ T72] inet6_addr_add+0x30e/0xa40 [ 5206.868351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.868351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.868351][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.868351][ T72] netlink_unicast+0x449/0x710 [ 5206.868351][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.868351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.868351][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.868351][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.868351][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.868351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.868351][ T72] [ 5206.870857][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5206.870857][ T72] netdev_get_by_index+0x5e/0x80 [ 5206.870857][ T72] fib6_nh_init+0x3d8/0x1580 [ 5206.870857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5206.870857][ T72] ip6_route_add+0x1c/0x140 [ 5206.870857][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5206.870857][ T72] addrconf_add_dev+0xe2/0x170 [ 5206.870857][ T72] inet6_addr_add+0x12f/0xa40 [ 5206.870857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.870857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.870857][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.870857][ T72] netlink_unicast+0x449/0x710 [ 5206.870857][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.870857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.870857][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.870857][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.870857][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.870857][ T72] [ 5206.873354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5206.873354][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5206.873354][ T72] ipv6_find_idev+0x102/0x170 [ 5206.873354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.873354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.873354][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.873354][ T72] netlink_unicast+0x449/0x710 [ 5206.873354][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.873354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.873354][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.873354][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.873354][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.873354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.873354][ T72] [ 5206.875330][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5206.875330][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5206.875330][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5206.875330][ T72] ipv6_find_idev+0x102/0x170 [ 5206.875330][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.875330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.875330][ T72] netlink_rcv_skb+0x130/0x360 [ 5206.875330][ T72] netlink_unicast+0x449/0x710 [ 5206.875330][ T72] netlink_sendmsg+0x723/0xbe0 [ 5206.875330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5206.875330][ T72] ___sys_sendmsg+0xee/0x170 [ 5206.875330][ T72] __sys_sendmsg+0xcd/0x170 [ 5206.875330][ T72] do_syscall_64+0xc6/0x1e0 [ 5206.875330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.875330][ T72] [ 5217.120991][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5217.121691][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5217.121691][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5217.121691][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5217.121691][ T72] fib6_nh_init+0xa22/0x1580 [ 5217.121691][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.121691][ T72] ip6_route_add+0x1c/0x140 [ 5217.121691][ T72] inet6_rtm_newroute+0x104/0x110 [ 5217.121691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.121691][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.121691][ T72] netlink_unicast+0x449/0x710 [ 5217.121691][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.121691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.121691][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.121691][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.121691][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.121691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.121691][ T72] [ 5217.123886][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5217.123886][ T72] dst_init+0x84/0x4a0 [ 5217.123886][ T72] dst_alloc+0x97/0x150 [ 5217.123886][ T72] ip6_dst_alloc+0x23/0x90 [ 5217.123886][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5217.123886][ T72] ip6_pol_route+0x56f/0x840 [ 5217.123886][ T72] fib6_rule_lookup+0x456/0x630 [ 5217.123886][ T72] ip6_route_input+0x59c/0xa50 [ 5217.123886][ T72] ipv6_rcv+0x397/0x810 [ 5217.123886][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5217.123886][ T72] process_backlog+0x101/0x620 [ 5217.123886][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5217.123886][ T72] net_rx_action+0x495/0xbe0 [ 5217.123886][ T72] __do_softirq+0x1b5/0x7f6 [ 5217.123886][ T72] [ 5217.125796][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5217.125796][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.125796][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.125796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.125796][ T72] ip6_route_add+0x1c/0x140 [ 5217.125796][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5217.125796][ T72] inet6_addr_add+0x4f8/0xa40 [ 5217.125796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.125796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.125796][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.125796][ T72] netlink_unicast+0x449/0x710 [ 5217.125796][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.125796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.125796][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.125796][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.125796][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.125796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.125796][ T72] [ 5217.128041][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5217.128041][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.128041][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.128041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.128041][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5217.128041][ T72] ipv6_add_addr+0x411/0x2000 [ 5217.128041][ T72] inet6_addr_add+0x30e/0xa40 [ 5217.128041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.128041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.128041][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.128041][ T72] netlink_unicast+0x449/0x710 [ 5217.128041][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.128041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.128041][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.128041][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.128041][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.128041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.128041][ T72] [ 5217.130298][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5217.130298][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.130298][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.130298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.130298][ T72] ip6_route_add+0x1c/0x140 [ 5217.130298][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5217.130298][ T72] addrconf_add_dev+0xe2/0x170 [ 5217.130298][ T72] inet6_addr_add+0x12f/0xa40 [ 5217.130298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.130298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.130298][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.130298][ T72] netlink_unicast+0x449/0x710 [ 5217.130298][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.130298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.130298][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.130298][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.130298][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.130298][ T72] [ 5217.132531][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5217.132531][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5217.132531][ T72] ipv6_find_idev+0x102/0x170 [ 5217.132531][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.132531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.132531][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.132531][ T72] netlink_unicast+0x449/0x710 [ 5217.132531][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.132531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.132531][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.132531][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.132531][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.132531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.132531][ T72] [ 5217.134304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5217.134304][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5217.134304][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5217.134304][ T72] ipv6_find_idev+0x102/0x170 [ 5217.134304][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.134304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.134304][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.134304][ T72] netlink_unicast+0x449/0x710 [ 5217.134304][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.134304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.134304][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.134304][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.134304][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.134304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.134304][ T72] [ 5217.136278][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5217.136587][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5217.136587][ T72] dst_init+0x84/0x4a0 [ 5217.136587][ T72] dst_alloc+0x97/0x150 [ 5217.136587][ T72] ip6_dst_alloc+0x23/0x90 [ 5217.136587][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5217.136587][ T72] ip6_pol_route+0x56f/0x840 [ 5217.136587][ T72] fib6_rule_lookup+0x456/0x630 [ 5217.136587][ T72] ip6_route_input+0x59c/0xa50 [ 5217.136587][ T72] ipv6_rcv+0x397/0x810 [ 5217.136587][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5217.136587][ T72] process_backlog+0x101/0x620 [ 5217.136587][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5217.136587][ T72] net_rx_action+0x495/0xbe0 [ 5217.136587][ T72] __do_softirq+0x1b5/0x7f6 [ 5217.136587][ T72] [ 5217.138472][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5217.138472][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.138472][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.138472][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.138472][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5217.138472][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5217.138472][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5217.138472][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5217.138472][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5217.138472][ T72] addrconf_dad_begin+0x310/0x670 [ 5217.138472][ T72] addrconf_dad_work+0x10b/0xab0 [ 5217.138472][ T72] process_one_work+0x84d/0x18a0 [ 5217.138472][ T72] worker_thread+0x587/0xd30 [ 5217.138472][ T72] kthread+0x28a/0x350 [ 5217.138472][ T72] ret_from_fork+0x31/0x70 [ 5217.138472][ T72] ret_from_fork_asm+0x1a/0x30 [ 5217.138472][ T72] [ 5217.140681][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5217.140681][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.140681][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.140681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.140681][ T72] ip6_route_add+0x1c/0x140 [ 5217.140681][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5217.140681][ T72] inet6_addr_add+0x4f8/0xa40 [ 5217.140681][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.140681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.140681][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.140681][ T72] netlink_unicast+0x449/0x710 [ 5217.140681][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.140681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.140681][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.140681][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.140681][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.140681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.140681][ T72] [ 5217.143003][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5217.143003][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.143003][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.143003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.143003][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5217.143003][ T72] ipv6_add_addr+0x411/0x2000 [ 5217.143003][ T72] inet6_addr_add+0x30e/0xa40 [ 5217.143003][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.143003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.143003][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.143003][ T72] netlink_unicast+0x449/0x710 [ 5217.143003][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.143003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.143003][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.143003][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.143003][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.143003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.143003][ T72] [ 5217.145335][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5217.145335][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.145335][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.145335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.145335][ T72] ip6_route_add+0x1c/0x140 [ 5217.145335][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5217.145335][ T72] addrconf_add_dev+0xe2/0x170 [ 5217.145335][ T72] inet6_addr_add+0x12f/0xa40 [ 5217.145335][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.145335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.145335][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.145335][ T72] netlink_unicast+0x449/0x710 [ 5217.145335][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.145335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.145335][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.145335][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.145335][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.145335][ T72] [ 5217.147589][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5217.147589][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5217.147589][ T72] ipv6_find_idev+0x102/0x170 [ 5217.147589][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.147589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.147589][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.147589][ T72] netlink_unicast+0x449/0x710 [ 5217.147589][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.147589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.147589][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.147589][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.147589][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.147589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.147589][ T72] [ 5217.149361][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5217.149361][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5217.149361][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5217.149361][ T72] ipv6_find_idev+0x102/0x170 [ 5217.149361][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.149361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.149361][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.149361][ T72] netlink_unicast+0x449/0x710 [ 5217.149361][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.149361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.149361][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.149361][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.149361][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.149361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.149361][ T72] [ 5217.151394][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5217.151696][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5217.151696][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5217.151696][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5217.151696][ T72] fib6_nh_init+0xa22/0x1580 [ 5217.151696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.151696][ T72] ip6_route_add+0x1c/0x140 [ 5217.151696][ T72] inet6_rtm_newroute+0x104/0x110 [ 5217.151696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.151696][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.151696][ T72] netlink_unicast+0x449/0x710 [ 5217.151696][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.151696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.151696][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.151696][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.151696][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.151696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.151696][ T72] [ 5217.154698][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5217.154698][ T72] dst_init+0x84/0x4a0 [ 5217.154698][ T72] dst_alloc+0x97/0x150 [ 5217.154698][ T72] ip6_dst_alloc+0x23/0x90 [ 5217.154698][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5217.154698][ T72] ip6_pol_route+0x56f/0x840 [ 5217.154698][ T72] fib6_rule_lookup+0x456/0x630 [ 5217.154698][ T72] ip6_route_input+0x59c/0xa50 [ 5217.154698][ T72] ipv6_rcv+0x397/0x810 [ 5217.154698][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5217.154698][ T72] process_backlog+0x101/0x620 [ 5217.154698][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5217.154698][ T72] net_rx_action+0x495/0xbe0 [ 5217.154698][ T72] __do_softirq+0x1b5/0x7f6 [ 5217.154698][ T72] [ 5217.156746][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5217.156746][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.156746][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.156746][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.156746][ T72] ip6_route_add+0x1c/0x140 [ 5217.156746][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5217.156746][ T72] inet6_addr_add+0x4f8/0xa40 [ 5217.156746][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.156746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.156746][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.156746][ T72] netlink_unicast+0x449/0x710 [ 5217.156746][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.156746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.156746][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.156746][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.156746][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.156746][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.156746][ T72] [ 5217.159246][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5217.159246][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.159246][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.159246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.159246][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5217.159246][ T72] ipv6_add_addr+0x411/0x2000 [ 5217.159246][ T72] inet6_addr_add+0x30e/0xa40 [ 5217.159246][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.159246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.159246][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.159246][ T72] netlink_unicast+0x449/0x710 [ 5217.159246][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.159246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.159246][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.159246][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.159246][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.159246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.159246][ T72] [ 5217.161731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5217.161731][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.161731][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.161731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.161731][ T72] ip6_route_add+0x1c/0x140 [ 5217.161731][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5217.161731][ T72] addrconf_add_dev+0xe2/0x170 [ 5217.161731][ T72] inet6_addr_add+0x12f/0xa40 [ 5217.161731][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.161731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.161731][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.161731][ T72] netlink_unicast+0x449/0x710 [ 5217.161731][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.161731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.161731][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.161731][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.161731][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.161731][ T72] [ 5217.164321][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5217.164321][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5217.164321][ T72] ipv6_find_idev+0x102/0x170 [ 5217.164321][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.164321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.164321][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.164321][ T72] netlink_unicast+0x449/0x710 [ 5217.164321][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.164321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.164321][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.164321][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.164321][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.164321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.164321][ T72] [ 5217.166272][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5217.166272][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5217.166272][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5217.166272][ T72] ipv6_find_idev+0x102/0x170 [ 5217.166272][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.166272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.166272][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.166272][ T72] netlink_unicast+0x449/0x710 [ 5217.166272][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.166272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.166272][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.166272][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.166272][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.166272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.166272][ T72] [ 5217.168359][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5217.168741][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5217.168741][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.168741][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.168741][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.168741][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5217.168741][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5217.168741][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5217.168741][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5217.168741][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5217.168741][ T72] addrconf_dad_begin+0x310/0x670 [ 5217.168741][ T72] addrconf_dad_work+0x10b/0xab0 [ 5217.168741][ T72] process_one_work+0x84d/0x18a0 [ 5217.168741][ T72] worker_thread+0x587/0xd30 [ 5217.168741][ T72] kthread+0x28a/0x350 [ 5217.168741][ T72] ret_from_fork+0x31/0x70 [ 5217.168741][ T72] ret_from_fork_asm+0x1a/0x30 [ 5217.168741][ T72] [ 5217.171070][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5217.171070][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.171070][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.171070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.171070][ T72] ip6_route_add+0x1c/0x140 [ 5217.171070][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5217.171070][ T72] inet6_addr_add+0x4f8/0xa40 [ 5217.171070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.171070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.171070][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.171070][ T72] netlink_unicast+0x449/0x710 [ 5217.171070][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.171070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.171070][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.171070][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.171070][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.171070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.171070][ T72] [ 5217.174016][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5217.174016][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.174016][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.174016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.174016][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5217.174016][ T72] ipv6_add_addr+0x411/0x2000 [ 5217.174016][ T72] inet6_addr_add+0x30e/0xa40 [ 5217.174016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.174016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.174016][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.174016][ T72] netlink_unicast+0x449/0x710 [ 5217.174016][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.174016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.174016][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.174016][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.174016][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.174016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.174016][ T72] [ 5217.176655][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5217.176655][ T72] netdev_get_by_index+0x5e/0x80 [ 5217.176655][ T72] fib6_nh_init+0x3d8/0x1580 [ 5217.176655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5217.176655][ T72] ip6_route_add+0x1c/0x140 [ 5217.176655][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5217.176655][ T72] addrconf_add_dev+0xe2/0x170 [ 5217.176655][ T72] inet6_addr_add+0x12f/0xa40 [ 5217.176655][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.176655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.176655][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.176655][ T72] netlink_unicast+0x449/0x710 [ 5217.176655][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.176655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.176655][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.176655][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.176655][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.176655][ T72] [ 5217.179128][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5217.179128][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5217.179128][ T72] ipv6_find_idev+0x102/0x170 [ 5217.179128][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.179128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.179128][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.179128][ T72] netlink_unicast+0x449/0x710 [ 5217.179128][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.179128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.179128][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.179128][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.179128][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.179128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.179128][ T72] [ 5217.181090][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5217.181090][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5217.181090][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5217.181090][ T72] ipv6_find_idev+0x102/0x170 [ 5217.181090][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.181090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.181090][ T72] netlink_rcv_skb+0x130/0x360 [ 5217.181090][ T72] netlink_unicast+0x449/0x710 [ 5217.181090][ T72] netlink_sendmsg+0x723/0xbe0 [ 5217.181090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5217.181090][ T72] ___sys_sendmsg+0xee/0x170 [ 5217.181090][ T72] __sys_sendmsg+0xcd/0x170 [ 5217.181090][ T72] do_syscall_64+0xc6/0x1e0 [ 5217.181090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.181090][ T72] [ 5227.424905][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5227.425429][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5227.425429][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5227.425429][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5227.425429][ T72] fib6_nh_init+0xa22/0x1580 [ 5227.425429][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.425429][ T72] ip6_route_add+0x1c/0x140 [ 5227.425429][ T72] inet6_rtm_newroute+0x104/0x110 [ 5227.425429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.425429][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.425429][ T72] netlink_unicast+0x449/0x710 [ 5227.425429][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.425429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.425429][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.425429][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.425429][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.425429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.425429][ T72] [ 5227.427394][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5227.427394][ T72] dst_init+0x84/0x4a0 [ 5227.427394][ T72] dst_alloc+0x97/0x150 [ 5227.427394][ T72] ip6_dst_alloc+0x23/0x90 [ 5227.427394][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5227.427394][ T72] ip6_pol_route+0x56f/0x840 [ 5227.427394][ T72] fib6_rule_lookup+0x456/0x630 [ 5227.427394][ T72] ip6_route_input+0x59c/0xa50 [ 5227.427394][ T72] ipv6_rcv+0x397/0x810 [ 5227.427394][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5227.427394][ T72] process_backlog+0x101/0x620 [ 5227.427394][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5227.427394][ T72] net_rx_action+0x495/0xbe0 [ 5227.427394][ T72] __do_softirq+0x1b5/0x7f6 [ 5227.427394][ T72] [ 5227.429063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5227.429063][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.429063][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.429063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.429063][ T72] ip6_route_add+0x1c/0x140 [ 5227.429063][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5227.429063][ T72] inet6_addr_add+0x4f8/0xa40 [ 5227.429063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.429063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.429063][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.429063][ T72] netlink_unicast+0x449/0x710 [ 5227.429063][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.429063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.429063][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.429063][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.429063][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.429063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.429063][ T72] [ 5227.431044][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5227.431044][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.431044][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.431044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.431044][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5227.431044][ T72] ipv6_add_addr+0x411/0x2000 [ 5227.431044][ T72] inet6_addr_add+0x30e/0xa40 [ 5227.431044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.431044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.431044][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.431044][ T72] netlink_unicast+0x449/0x710 [ 5227.431044][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.431044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.431044][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.431044][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.431044][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.431044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.431044][ T72] [ 5227.433017][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5227.433017][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.433017][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.433017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.433017][ T72] ip6_route_add+0x1c/0x140 [ 5227.433017][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5227.433017][ T72] addrconf_add_dev+0xe2/0x170 [ 5227.433017][ T72] inet6_addr_add+0x12f/0xa40 [ 5227.433017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.433017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.433017][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.433017][ T72] netlink_unicast+0x449/0x710 [ 5227.433017][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.433017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.433017][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.433017][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.433017][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.433017][ T72] [ 5227.434972][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5227.434972][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5227.434972][ T72] ipv6_find_idev+0x102/0x170 [ 5227.434972][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.434972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.434972][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.434972][ T72] netlink_unicast+0x449/0x710 [ 5227.434972][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.434972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.434972][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.434972][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.434972][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.434972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.434972][ T72] [ 5227.436528][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5227.436528][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5227.436528][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5227.436528][ T72] ipv6_find_idev+0x102/0x170 [ 5227.436528][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.436528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.436528][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.436528][ T72] netlink_unicast+0x449/0x710 [ 5227.436528][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.436528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.436528][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.436528][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.436528][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.436528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.436528][ T72] [ 5227.438245][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5227.438505][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5227.438505][ T72] dst_init+0x84/0x4a0 [ 5227.438505][ T72] dst_alloc+0x97/0x150 [ 5227.438505][ T72] ip6_dst_alloc+0x23/0x90 [ 5227.438505][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5227.438505][ T72] ip6_pol_route+0x56f/0x840 [ 5227.438505][ T72] fib6_rule_lookup+0x456/0x630 [ 5227.438505][ T72] ip6_route_input+0x59c/0xa50 [ 5227.438505][ T72] ipv6_rcv+0x397/0x810 [ 5227.438505][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5227.438505][ T72] process_backlog+0x101/0x620 [ 5227.438505][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5227.438505][ T72] net_rx_action+0x495/0xbe0 [ 5227.438505][ T72] __do_softirq+0x1b5/0x7f6 [ 5227.438505][ T72] [ 5227.440127][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5227.440127][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.440127][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.440127][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.440127][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5227.440127][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5227.440127][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5227.440127][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5227.440127][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5227.440127][ T72] addrconf_dad_begin+0x310/0x670 [ 5227.440127][ T72] addrconf_dad_work+0x10b/0xab0 [ 5227.440127][ T72] process_one_work+0x84d/0x18a0 [ 5227.440127][ T72] worker_thread+0x587/0xd30 [ 5227.440127][ T72] kthread+0x28a/0x350 [ 5227.440127][ T72] ret_from_fork+0x31/0x70 [ 5227.440127][ T72] ret_from_fork_asm+0x1a/0x30 [ 5227.440127][ T72] [ 5227.442044][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5227.442044][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.442044][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.442044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.442044][ T72] ip6_route_add+0x1c/0x140 [ 5227.442044][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5227.442044][ T72] inet6_addr_add+0x4f8/0xa40 [ 5227.442044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.442044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.442044][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.442044][ T72] netlink_unicast+0x449/0x710 [ 5227.442044][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.442044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.442044][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.442044][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.442044][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.442044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.442044][ T72] [ 5227.444078][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5227.444078][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.444078][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.444078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.444078][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5227.444078][ T72] ipv6_add_addr+0x411/0x2000 [ 5227.444078][ T72] inet6_addr_add+0x30e/0xa40 [ 5227.444078][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.444078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.444078][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.444078][ T72] netlink_unicast+0x449/0x710 [ 5227.444078][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.444078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.444078][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.444078][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.444078][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.444078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.444078][ T72] [ 5227.446094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5227.446094][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.446094][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.446094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.446094][ T72] ip6_route_add+0x1c/0x140 [ 5227.446094][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5227.446094][ T72] addrconf_add_dev+0xe2/0x170 [ 5227.446094][ T72] inet6_addr_add+0x12f/0xa40 [ 5227.446094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.446094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.446094][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.446094][ T72] netlink_unicast+0x449/0x710 [ 5227.446094][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.446094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.446094][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.446094][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.446094][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.446094][ T72] [ 5227.448071][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5227.448071][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5227.448071][ T72] ipv6_find_idev+0x102/0x170 [ 5227.448071][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.448071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.448071][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.448071][ T72] netlink_unicast+0x449/0x710 [ 5227.448071][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.448071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.448071][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.448071][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.448071][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.448071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.448071][ T72] [ 5227.449639][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5227.449639][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5227.449639][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5227.449639][ T72] ipv6_find_idev+0x102/0x170 [ 5227.449639][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.449639][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.449639][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.449639][ T72] netlink_unicast+0x449/0x710 [ 5227.449639][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.449639][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.449639][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.449639][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.449639][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.449639][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.449639][ T72] [ 5227.451449][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5227.451712][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5227.451712][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5227.451712][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5227.451712][ T72] fib6_nh_init+0xa22/0x1580 [ 5227.451712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.451712][ T72] ip6_route_add+0x1c/0x140 [ 5227.451712][ T72] inet6_rtm_newroute+0x104/0x110 [ 5227.451712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.451712][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.451712][ T72] netlink_unicast+0x449/0x710 [ 5227.451712][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.451712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.451712][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.451712][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.451712][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.451712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.451712][ T72] [ 5227.453948][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5227.453948][ T72] dst_init+0x84/0x4a0 [ 5227.453948][ T72] dst_alloc+0x97/0x150 [ 5227.453948][ T72] ip6_dst_alloc+0x23/0x90 [ 5227.453948][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5227.453948][ T72] ip6_pol_route+0x56f/0x840 [ 5227.453948][ T72] fib6_rule_lookup+0x456/0x630 [ 5227.453948][ T72] ip6_route_input+0x59c/0xa50 [ 5227.453948][ T72] ipv6_rcv+0x397/0x810 [ 5227.453948][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5227.453948][ T72] process_backlog+0x101/0x620 [ 5227.453948][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5227.453948][ T72] net_rx_action+0x495/0xbe0 [ 5227.453948][ T72] __do_softirq+0x1b5/0x7f6 [ 5227.453948][ T72] [ 5227.455764][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5227.455764][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.455764][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.455764][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.455764][ T72] ip6_route_add+0x1c/0x140 [ 5227.455764][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5227.455764][ T72] inet6_addr_add+0x4f8/0xa40 [ 5227.455764][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.455764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.455764][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.455764][ T72] netlink_unicast+0x449/0x710 [ 5227.455764][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.455764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.455764][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.455764][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.455764][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.455764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.455764][ T72] [ 5227.457900][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5227.457900][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.457900][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.457900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.457900][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5227.457900][ T72] ipv6_add_addr+0x411/0x2000 [ 5227.457900][ T72] inet6_addr_add+0x30e/0xa40 [ 5227.457900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.457900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.457900][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.457900][ T72] netlink_unicast+0x449/0x710 [ 5227.457900][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.457900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.457900][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.457900][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.457900][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.457900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.457900][ T72] [ 5227.460060][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5227.460060][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.460060][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.460060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.460060][ T72] ip6_route_add+0x1c/0x140 [ 5227.460060][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5227.460060][ T72] addrconf_add_dev+0xe2/0x170 [ 5227.460060][ T72] inet6_addr_add+0x12f/0xa40 [ 5227.460060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.460060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.460060][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.460060][ T72] netlink_unicast+0x449/0x710 [ 5227.460060][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.460060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.460060][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.460060][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.460060][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.460060][ T72] [ 5227.462332][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5227.462332][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5227.462332][ T72] ipv6_find_idev+0x102/0x170 [ 5227.462332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.462332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.462332][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.462332][ T72] netlink_unicast+0x449/0x710 [ 5227.462332][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.462332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.462332][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.462332][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.462332][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.462332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.462332][ T72] [ 5227.464074][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5227.464074][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5227.464074][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5227.464074][ T72] ipv6_find_idev+0x102/0x170 [ 5227.464074][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.464074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.464074][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.464074][ T72] netlink_unicast+0x449/0x710 [ 5227.464074][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.464074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.464074][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.464074][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.464074][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.464074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.464074][ T72] [ 5227.465959][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5227.466283][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5227.466283][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.466283][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.466283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.466283][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5227.466283][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5227.466283][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5227.466283][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5227.466283][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5227.466283][ T72] addrconf_dad_begin+0x310/0x670 [ 5227.466283][ T72] addrconf_dad_work+0x10b/0xab0 [ 5227.466283][ T72] process_one_work+0x84d/0x18a0 [ 5227.466283][ T72] worker_thread+0x587/0xd30 [ 5227.466283][ T72] kthread+0x28a/0x350 [ 5227.466283][ T72] ret_from_fork+0x31/0x70 [ 5227.466283][ T72] ret_from_fork_asm+0x1a/0x30 [ 5227.466283][ T72] [ 5227.468397][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5227.468397][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.468397][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.468397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.468397][ T72] ip6_route_add+0x1c/0x140 [ 5227.468397][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5227.468397][ T72] inet6_addr_add+0x4f8/0xa40 [ 5227.468397][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.468397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.468397][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.468397][ T72] netlink_unicast+0x449/0x710 [ 5227.468397][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.468397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.468397][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.468397][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.468397][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.468397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.468397][ T72] [ 5227.471184][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5227.471184][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.471184][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.471184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.471184][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5227.471184][ T72] ipv6_add_addr+0x411/0x2000 [ 5227.471184][ T72] inet6_addr_add+0x30e/0xa40 [ 5227.471184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.471184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.471184][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.471184][ T72] netlink_unicast+0x449/0x710 [ 5227.471184][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.471184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.471184][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.471184][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.471184][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.471184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.471184][ T72] [ 5227.473494][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5227.473494][ T72] netdev_get_by_index+0x5e/0x80 [ 5227.473494][ T72] fib6_nh_init+0x3d8/0x1580 [ 5227.473494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5227.473494][ T72] ip6_route_add+0x1c/0x140 [ 5227.473494][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5227.473494][ T72] addrconf_add_dev+0xe2/0x170 [ 5227.473494][ T72] inet6_addr_add+0x12f/0xa40 [ 5227.473494][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.473494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.473494][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.473494][ T72] netlink_unicast+0x449/0x710 [ 5227.473494][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.473494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.473494][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.473494][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.473494][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.473494][ T72] [ 5227.475652][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5227.475652][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5227.475652][ T72] ipv6_find_idev+0x102/0x170 [ 5227.475652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.475652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.475652][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.475652][ T72] netlink_unicast+0x449/0x710 [ 5227.475652][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.475652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.475652][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.475652][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.475652][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.475652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.475652][ T72] [ 5227.477388][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5227.477388][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5227.477388][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5227.477388][ T72] ipv6_find_idev+0x102/0x170 [ 5227.477388][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.477388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.477388][ T72] netlink_rcv_skb+0x130/0x360 [ 5227.477388][ T72] netlink_unicast+0x449/0x710 [ 5227.477388][ T72] netlink_sendmsg+0x723/0xbe0 [ 5227.477388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5227.477388][ T72] ___sys_sendmsg+0xee/0x170 [ 5227.477388][ T72] __sys_sendmsg+0xcd/0x170 [ 5227.477388][ T72] do_syscall_64+0xc6/0x1e0 [ 5227.477388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.477388][ T72] [ 5237.608911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5237.609330][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5237.609330][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5237.609330][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5237.609330][ T72] fib6_nh_init+0xa22/0x1580 [ 5237.609330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.609330][ T72] ip6_route_add+0x1c/0x140 [ 5237.609330][ T72] inet6_rtm_newroute+0x104/0x110 [ 5237.609330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.609330][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.609330][ T72] netlink_unicast+0x449/0x710 [ 5237.609330][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.609330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.609330][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.609330][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.609330][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.609330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.609330][ T72] [ 5237.611255][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5237.611255][ T72] dst_init+0x84/0x4a0 [ 5237.611255][ T72] dst_alloc+0x97/0x150 [ 5237.611255][ T72] ip6_dst_alloc+0x23/0x90 [ 5237.611255][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5237.611255][ T72] ip6_pol_route+0x56f/0x840 [ 5237.611255][ T72] fib6_rule_lookup+0x456/0x630 [ 5237.611255][ T72] ip6_route_input+0x59c/0xa50 [ 5237.611255][ T72] ipv6_rcv+0x397/0x810 [ 5237.611255][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5237.611255][ T72] process_backlog+0x101/0x620 [ 5237.611255][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5237.611255][ T72] net_rx_action+0x495/0xbe0 [ 5237.611255][ T72] __do_softirq+0x1b5/0x7f6 [ 5237.611255][ T72] [ 5237.612896][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5237.612896][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.612896][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.612896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.612896][ T72] ip6_route_add+0x1c/0x140 [ 5237.612896][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5237.612896][ T72] inet6_addr_add+0x4f8/0xa40 [ 5237.612896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.612896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.612896][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.612896][ T72] netlink_unicast+0x449/0x710 [ 5237.612896][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.612896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.612896][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.612896][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.612896][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.612896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.612896][ T72] [ 5237.614936][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5237.614936][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.614936][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.614936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.614936][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5237.614936][ T72] ipv6_add_addr+0x411/0x2000 [ 5237.614936][ T72] inet6_addr_add+0x30e/0xa40 [ 5237.614936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.614936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.614936][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.614936][ T72] netlink_unicast+0x449/0x710 [ 5237.614936][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.614936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.614936][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.614936][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.614936][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.614936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.614936][ T72] [ 5237.616998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5237.616998][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.616998][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.616998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.616998][ T72] ip6_route_add+0x1c/0x140 [ 5237.616998][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5237.616998][ T72] addrconf_add_dev+0xe2/0x170 [ 5237.616998][ T72] inet6_addr_add+0x12f/0xa40 [ 5237.616998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.616998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.616998][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.616998][ T72] netlink_unicast+0x449/0x710 [ 5237.616998][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.616998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.616998][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.616998][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.616998][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.616998][ T72] [ 5237.618996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5237.618996][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5237.618996][ T72] ipv6_find_idev+0x102/0x170 [ 5237.618996][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.618996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.618996][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.618996][ T72] netlink_unicast+0x449/0x710 [ 5237.618996][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.618996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.618996][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.618996][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.618996][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.618996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.618996][ T72] [ 5237.620571][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5237.620571][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5237.620571][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5237.620571][ T72] ipv6_find_idev+0x102/0x170 [ 5237.620571][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.620571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.620571][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.620571][ T72] netlink_unicast+0x449/0x710 [ 5237.620571][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.620571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.620571][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.620571][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.620571][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.620571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.620571][ T72] [ 5237.622315][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5237.622586][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5237.622586][ T72] dst_init+0x84/0x4a0 [ 5237.622586][ T72] dst_alloc+0x97/0x150 [ 5237.622586][ T72] ip6_dst_alloc+0x23/0x90 [ 5237.622586][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5237.622586][ T72] ip6_pol_route+0x56f/0x840 [ 5237.622586][ T72] fib6_rule_lookup+0x456/0x630 [ 5237.622586][ T72] ip6_route_input+0x59c/0xa50 [ 5237.622586][ T72] ipv6_rcv+0x397/0x810 [ 5237.622586][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5237.622586][ T72] process_backlog+0x101/0x620 [ 5237.622586][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5237.622586][ T72] net_rx_action+0x495/0xbe0 [ 5237.622586][ T72] __do_softirq+0x1b5/0x7f6 [ 5237.622586][ T72] [ 5237.624246][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5237.624246][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.624246][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.624246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.624246][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5237.624246][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5237.624246][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5237.624246][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5237.624246][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5237.624246][ T72] addrconf_dad_begin+0x310/0x670 [ 5237.624246][ T72] addrconf_dad_work+0x10b/0xab0 [ 5237.624246][ T72] process_one_work+0x84d/0x18a0 [ 5237.624246][ T72] worker_thread+0x587/0xd30 [ 5237.624246][ T72] kthread+0x28a/0x350 [ 5237.624246][ T72] ret_from_fork+0x31/0x70 [ 5237.624246][ T72] ret_from_fork_asm+0x1a/0x30 [ 5237.624246][ T72] [ 5237.626171][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5237.626171][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.626171][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.626171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.626171][ T72] ip6_route_add+0x1c/0x140 [ 5237.626171][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5237.626171][ T72] inet6_addr_add+0x4f8/0xa40 [ 5237.626171][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.626171][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.626171][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.626171][ T72] netlink_unicast+0x449/0x710 [ 5237.626171][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.626171][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.626171][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.626171][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.626171][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.626171][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.626171][ T72] [ 5237.628182][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5237.628182][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.628182][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.628182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.628182][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5237.628182][ T72] ipv6_add_addr+0x411/0x2000 [ 5237.628182][ T72] inet6_addr_add+0x30e/0xa40 [ 5237.628182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.628182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.628182][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.628182][ T72] netlink_unicast+0x449/0x710 [ 5237.628182][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.628182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.628182][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.628182][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.628182][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.628182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.628182][ T72] [ 5237.630232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5237.630232][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.630232][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.630232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.630232][ T72] ip6_route_add+0x1c/0x140 [ 5237.630232][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5237.630232][ T72] addrconf_add_dev+0xe2/0x170 [ 5237.630232][ T72] inet6_addr_add+0x12f/0xa40 [ 5237.630232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.630232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.630232][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.630232][ T72] netlink_unicast+0x449/0x710 [ 5237.630232][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.630232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.630232][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.630232][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.630232][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.630232][ T72] [ 5237.632237][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5237.632237][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5237.632237][ T72] ipv6_find_idev+0x102/0x170 [ 5237.632237][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.632237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.632237][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.632237][ T72] netlink_unicast+0x449/0x710 [ 5237.632237][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.632237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.632237][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.632237][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.632237][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.632237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.632237][ T72] [ 5237.633838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5237.633838][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5237.633838][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5237.633838][ T72] ipv6_find_idev+0x102/0x170 [ 5237.633838][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.633838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.633838][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.633838][ T72] netlink_unicast+0x449/0x710 [ 5237.633838][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.633838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.633838][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.633838][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.633838][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.633838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.633838][ T72] [ 5237.635671][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5237.635955][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5237.635955][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5237.635955][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5237.635955][ T72] fib6_nh_init+0xa22/0x1580 [ 5237.635955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.635955][ T72] ip6_route_add+0x1c/0x140 [ 5237.635955][ T72] inet6_rtm_newroute+0x104/0x110 [ 5237.635955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.635955][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.635955][ T72] netlink_unicast+0x449/0x710 [ 5237.635955][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.635955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.635955][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.635955][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.635955][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.635955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.635955][ T72] [ 5237.638180][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5237.638180][ T72] dst_init+0x84/0x4a0 [ 5237.638180][ T72] dst_alloc+0x97/0x150 [ 5237.638180][ T72] ip6_dst_alloc+0x23/0x90 [ 5237.638180][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5237.638180][ T72] ip6_pol_route+0x56f/0x840 [ 5237.638180][ T72] fib6_rule_lookup+0x456/0x630 [ 5237.638180][ T72] ip6_route_input+0x59c/0xa50 [ 5237.638180][ T72] ipv6_rcv+0x397/0x810 [ 5237.638180][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5237.638180][ T72] process_backlog+0x101/0x620 [ 5237.638180][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5237.638180][ T72] net_rx_action+0x495/0xbe0 [ 5237.638180][ T72] __do_softirq+0x1b5/0x7f6 [ 5237.638180][ T72] [ 5237.640035][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5237.640035][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.640035][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.640035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.640035][ T72] ip6_route_add+0x1c/0x140 [ 5237.640035][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5237.640035][ T72] inet6_addr_add+0x4f8/0xa40 [ 5237.640035][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.640035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.640035][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.640035][ T72] netlink_unicast+0x449/0x710 [ 5237.640035][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.640035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.640035][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.640035][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.640035][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.640035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.640035][ T72] [ 5237.670515][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5237.670515][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.670515][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.670515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.670515][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5237.670515][ T72] ipv6_add_addr+0x411/0x2000 [ 5237.670515][ T72] inet6_addr_add+0x30e/0xa40 [ 5237.670515][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.670515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.670515][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.670515][ T72] netlink_unicast+0x449/0x710 [ 5237.670515][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.670515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.670515][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.670515][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.670515][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.670515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.670515][ T72] [ 5237.672795][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5237.672795][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.672795][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.672795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.672795][ T72] ip6_route_add+0x1c/0x140 [ 5237.672795][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5237.672795][ T72] addrconf_add_dev+0xe2/0x170 [ 5237.672795][ T72] inet6_addr_add+0x12f/0xa40 [ 5237.672795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.672795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.672795][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.672795][ T72] netlink_unicast+0x449/0x710 [ 5237.672795][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.672795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.672795][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.672795][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.672795][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.672795][ T72] [ 5237.675115][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5237.675115][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5237.675115][ T72] ipv6_find_idev+0x102/0x170 [ 5237.675115][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.675115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.675115][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.675115][ T72] netlink_unicast+0x449/0x710 [ 5237.675115][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.675115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.675115][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.675115][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.675115][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.675115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.675115][ T72] [ 5237.676870][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5237.676870][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5237.676870][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5237.676870][ T72] ipv6_find_idev+0x102/0x170 [ 5237.676870][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.676870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.676870][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.676870][ T72] netlink_unicast+0x449/0x710 [ 5237.676870][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.676870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.676870][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.676870][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.676870][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.676870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.676870][ T72] [ 5237.678800][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5237.679150][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5237.679150][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.679150][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.679150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.679150][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5237.679150][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5237.679150][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5237.679150][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5237.679150][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5237.679150][ T72] addrconf_dad_begin+0x310/0x670 [ 5237.679150][ T72] addrconf_dad_work+0x10b/0xab0 [ 5237.679150][ T72] process_one_work+0x84d/0x18a0 [ 5237.679150][ T72] worker_thread+0x587/0xd30 [ 5237.679150][ T72] kthread+0x28a/0x350 [ 5237.679150][ T72] ret_from_fork+0x31/0x70 [ 5237.679150][ T72] ret_from_fork_asm+0x1a/0x30 [ 5237.679150][ T72] [ 5237.681290][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5237.681290][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.681290][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.681290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.681290][ T72] ip6_route_add+0x1c/0x140 [ 5237.681290][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5237.681290][ T72] inet6_addr_add+0x4f8/0xa40 [ 5237.681290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.681290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.681290][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.681290][ T72] netlink_unicast+0x449/0x710 [ 5237.681290][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.681290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.681290][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.681290][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.681290][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.681290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.681290][ T72] [ 5237.683537][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5237.683537][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.683537][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.683537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.683537][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5237.683537][ T72] ipv6_add_addr+0x411/0x2000 [ 5237.683537][ T72] inet6_addr_add+0x30e/0xa40 [ 5237.683537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.683537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.683537][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.683537][ T72] netlink_unicast+0x449/0x710 [ 5237.683537][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.683537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.683537][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.683537][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.683537][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.683537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.683537][ T72] [ 5237.685851][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5237.685851][ T72] netdev_get_by_index+0x5e/0x80 [ 5237.685851][ T72] fib6_nh_init+0x3d8/0x1580 [ 5237.685851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5237.685851][ T72] ip6_route_add+0x1c/0x140 [ 5237.685851][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5237.685851][ T72] addrconf_add_dev+0xe2/0x170 [ 5237.685851][ T72] inet6_addr_add+0x12f/0xa40 [ 5237.685851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.685851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.685851][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.685851][ T72] netlink_unicast+0x449/0x710 [ 5237.685851][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.685851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.685851][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.685851][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.685851][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.685851][ T72] [ 5237.688072][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5237.688072][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5237.688072][ T72] ipv6_find_idev+0x102/0x170 [ 5237.688072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.688072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.688072][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.688072][ T72] netlink_unicast+0x449/0x710 [ 5237.688072][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.688072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.688072][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.688072][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.688072][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.688072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.688072][ T72] [ 5237.689834][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5237.689834][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5237.689834][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5237.689834][ T72] ipv6_find_idev+0x102/0x170 [ 5237.689834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.689834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.689834][ T72] netlink_rcv_skb+0x130/0x360 [ 5237.689834][ T72] netlink_unicast+0x449/0x710 [ 5237.689834][ T72] netlink_sendmsg+0x723/0xbe0 [ 5237.689834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5237.689834][ T72] ___sys_sendmsg+0xee/0x170 [ 5237.689834][ T72] __sys_sendmsg+0xcd/0x170 [ 5237.689834][ T72] do_syscall_64+0xc6/0x1e0 [ 5237.689834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.689834][ T72] [ 5247.944910][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5247.945424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5247.945424][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5247.945424][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5247.945424][ T72] fib6_nh_init+0xa22/0x1580 [ 5247.945424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.945424][ T72] ip6_route_add+0x1c/0x140 [ 5247.945424][ T72] inet6_rtm_newroute+0x104/0x110 [ 5247.945424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.945424][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.945424][ T72] netlink_unicast+0x449/0x710 [ 5247.945424][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.945424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.945424][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.945424][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.945424][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.945424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.945424][ T72] [ 5247.947304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5247.947304][ T72] dst_init+0x84/0x4a0 [ 5247.947304][ T72] dst_alloc+0x97/0x150 [ 5247.947304][ T72] ip6_dst_alloc+0x23/0x90 [ 5247.947304][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5247.947304][ T72] ip6_pol_route+0x56f/0x840 [ 5247.947304][ T72] fib6_rule_lookup+0x456/0x630 [ 5247.947304][ T72] ip6_route_input+0x59c/0xa50 [ 5247.947304][ T72] ipv6_rcv+0x397/0x810 [ 5247.947304][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5247.947304][ T72] process_backlog+0x101/0x620 [ 5247.947304][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5247.947304][ T72] net_rx_action+0x495/0xbe0 [ 5247.947304][ T72] __do_softirq+0x1b5/0x7f6 [ 5247.947304][ T72] [ 5247.948934][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5247.948934][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.948934][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.948934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.948934][ T72] ip6_route_add+0x1c/0x140 [ 5247.948934][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5247.948934][ T72] inet6_addr_add+0x4f8/0xa40 [ 5247.948934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.948934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.948934][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.948934][ T72] netlink_unicast+0x449/0x710 [ 5247.948934][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.948934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.948934][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.948934][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.948934][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.948934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.948934][ T72] [ 5247.950934][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5247.950934][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.950934][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.950934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.950934][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5247.950934][ T72] ipv6_add_addr+0x411/0x2000 [ 5247.950934][ T72] inet6_addr_add+0x30e/0xa40 [ 5247.950934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.950934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.950934][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.950934][ T72] netlink_unicast+0x449/0x710 [ 5247.950934][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.950934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.950934][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.950934][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.950934][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.950934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.950934][ T72] [ 5247.952937][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5247.952937][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.952937][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.952937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.952937][ T72] ip6_route_add+0x1c/0x140 [ 5247.952937][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5247.952937][ T72] addrconf_add_dev+0xe2/0x170 [ 5247.952937][ T72] inet6_addr_add+0x12f/0xa40 [ 5247.952937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.952937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.952937][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.952937][ T72] netlink_unicast+0x449/0x710 [ 5247.952937][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.952937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.952937][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.952937][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.952937][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.952937][ T72] [ 5247.954944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5247.954944][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5247.954944][ T72] ipv6_find_idev+0x102/0x170 [ 5247.954944][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.954944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.954944][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.954944][ T72] netlink_unicast+0x449/0x710 [ 5247.954944][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.954944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.954944][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.954944][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.954944][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.954944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.954944][ T72] [ 5247.956503][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5247.956503][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5247.956503][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5247.956503][ T72] ipv6_find_idev+0x102/0x170 [ 5247.956503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.956503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.956503][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.956503][ T72] netlink_unicast+0x449/0x710 [ 5247.956503][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.956503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.956503][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.956503][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.956503][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.956503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.956503][ T72] [ 5247.958224][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5247.958489][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5247.958489][ T72] dst_init+0x84/0x4a0 [ 5247.958489][ T72] dst_alloc+0x97/0x150 [ 5247.958489][ T72] ip6_dst_alloc+0x23/0x90 [ 5247.958489][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5247.958489][ T72] ip6_pol_route+0x56f/0x840 [ 5247.958489][ T72] fib6_rule_lookup+0x456/0x630 [ 5247.958489][ T72] ip6_route_input+0x59c/0xa50 [ 5247.958489][ T72] ipv6_rcv+0x397/0x810 [ 5247.958489][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5247.958489][ T72] process_backlog+0x101/0x620 [ 5247.958489][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5247.958489][ T72] net_rx_action+0x495/0xbe0 [ 5247.958489][ T72] __do_softirq+0x1b5/0x7f6 [ 5247.958489][ T72] [ 5247.960175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5247.960175][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.960175][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.960175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.960175][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5247.960175][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5247.960175][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5247.960175][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5247.960175][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5247.960175][ T72] addrconf_dad_begin+0x310/0x670 [ 5247.960175][ T72] addrconf_dad_work+0x10b/0xab0 [ 5247.960175][ T72] process_one_work+0x84d/0x18a0 [ 5247.960175][ T72] worker_thread+0x587/0xd30 [ 5247.960175][ T72] kthread+0x28a/0x350 [ 5247.960175][ T72] ret_from_fork+0x31/0x70 [ 5247.960175][ T72] ret_from_fork_asm+0x1a/0x30 [ 5247.960175][ T72] [ 5247.962047][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5247.962047][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.962047][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.962047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.962047][ T72] ip6_route_add+0x1c/0x140 [ 5247.962047][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5247.962047][ T72] inet6_addr_add+0x4f8/0xa40 [ 5247.962047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.962047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.962047][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.962047][ T72] netlink_unicast+0x449/0x710 [ 5247.962047][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.962047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.962047][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.962047][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.962047][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.962047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.962047][ T72] [ 5247.964032][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5247.964032][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.964032][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.964032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.964032][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5247.964032][ T72] ipv6_add_addr+0x411/0x2000 [ 5247.964032][ T72] inet6_addr_add+0x30e/0xa40 [ 5247.964032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.964032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.964032][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.964032][ T72] netlink_unicast+0x449/0x710 [ 5247.964032][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.964032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.964032][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.964032][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.964032][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.964032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.964032][ T72] [ 5247.966560][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5247.966560][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.966560][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.966560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.966560][ T72] ip6_route_add+0x1c/0x140 [ 5247.966560][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5247.966560][ T72] addrconf_add_dev+0xe2/0x170 [ 5247.966560][ T72] inet6_addr_add+0x12f/0xa40 [ 5247.966560][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.966560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.966560][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.966560][ T72] netlink_unicast+0x449/0x710 [ 5247.966560][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.966560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.966560][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.966560][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.966560][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.966560][ T72] [ 5247.968535][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5247.968535][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5247.968535][ T72] ipv6_find_idev+0x102/0x170 [ 5247.968535][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.968535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.968535][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.968535][ T72] netlink_unicast+0x449/0x710 [ 5247.968535][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.968535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.968535][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.968535][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.968535][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.968535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.968535][ T72] [ 5247.970093][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5247.970093][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5247.970093][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5247.970093][ T72] ipv6_find_idev+0x102/0x170 [ 5247.970093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.970093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.970093][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.970093][ T72] netlink_unicast+0x449/0x710 [ 5247.970093][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.970093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.970093][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.970093][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.970093][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.970093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.970093][ T72] [ 5247.971874][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5247.972139][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5247.972139][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5247.972139][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5247.972139][ T72] fib6_nh_init+0xa22/0x1580 [ 5247.972139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.972139][ T72] ip6_route_add+0x1c/0x140 [ 5247.972139][ T72] inet6_rtm_newroute+0x104/0x110 [ 5247.972139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.972139][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.972139][ T72] netlink_unicast+0x449/0x710 [ 5247.972139][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.972139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.972139][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.972139][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.972139][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.972139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.972139][ T72] [ 5247.974339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5247.974339][ T72] dst_init+0x84/0x4a0 [ 5247.974339][ T72] dst_alloc+0x97/0x150 [ 5247.974339][ T72] ip6_dst_alloc+0x23/0x90 [ 5247.974339][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5247.974339][ T72] ip6_pol_route+0x56f/0x840 [ 5247.974339][ T72] fib6_rule_lookup+0x456/0x630 [ 5247.974339][ T72] ip6_route_input+0x59c/0xa50 [ 5247.974339][ T72] ipv6_rcv+0x397/0x810 [ 5247.974339][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5247.974339][ T72] process_backlog+0x101/0x620 [ 5247.974339][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5247.974339][ T72] net_rx_action+0x495/0xbe0 [ 5247.974339][ T72] __do_softirq+0x1b5/0x7f6 [ 5247.974339][ T72] [ 5247.976175][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5247.976175][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.976175][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.976175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.976175][ T72] ip6_route_add+0x1c/0x140 [ 5247.976175][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5247.976175][ T72] inet6_addr_add+0x4f8/0xa40 [ 5247.976175][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.976175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.976175][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.976175][ T72] netlink_unicast+0x449/0x710 [ 5247.976175][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.976175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.976175][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.976175][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.976175][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.976175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.976175][ T72] [ 5247.978354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5247.978354][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.978354][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.978354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.978354][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5247.978354][ T72] ipv6_add_addr+0x411/0x2000 [ 5247.978354][ T72] inet6_addr_add+0x30e/0xa40 [ 5247.978354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.978354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.978354][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.978354][ T72] netlink_unicast+0x449/0x710 [ 5247.978354][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.978354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.978354][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.978354][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.978354][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.978354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.978354][ T72] [ 5247.980524][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5247.980524][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.980524][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.980524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.980524][ T72] ip6_route_add+0x1c/0x140 [ 5247.980524][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5247.980524][ T72] addrconf_add_dev+0xe2/0x170 [ 5247.980524][ T72] inet6_addr_add+0x12f/0xa40 [ 5247.980524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.980524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.980524][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.980524][ T72] netlink_unicast+0x449/0x710 [ 5247.980524][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.980524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.980524][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.980524][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.980524][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.980524][ T72] [ 5247.982740][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5247.982740][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5247.982740][ T72] ipv6_find_idev+0x102/0x170 [ 5247.982740][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.982740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.982740][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.982740][ T72] netlink_unicast+0x449/0x710 [ 5247.982740][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.982740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.982740][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.982740][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.982740][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.982740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.982740][ T72] [ 5247.984478][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5247.984478][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5247.984478][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5247.984478][ T72] ipv6_find_idev+0x102/0x170 [ 5247.984478][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.984478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.984478][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.984478][ T72] netlink_unicast+0x449/0x710 [ 5247.984478][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.984478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.984478][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.984478][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.984478][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.984478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.984478][ T72] [ 5247.986360][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5247.986700][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5247.986700][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.986700][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.986700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.986700][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5247.986700][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5247.986700][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5247.986700][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5247.986700][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5247.986700][ T72] addrconf_dad_begin+0x310/0x670 [ 5247.986700][ T72] addrconf_dad_work+0x10b/0xab0 [ 5247.986700][ T72] process_one_work+0x84d/0x18a0 [ 5247.986700][ T72] worker_thread+0x587/0xd30 [ 5247.986700][ T72] kthread+0x28a/0x350 [ 5247.986700][ T72] ret_from_fork+0x31/0x70 [ 5247.986700][ T72] ret_from_fork_asm+0x1a/0x30 [ 5247.986700][ T72] [ 5247.988775][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5247.988775][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.988775][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.988775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.988775][ T72] ip6_route_add+0x1c/0x140 [ 5247.988775][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5247.988775][ T72] inet6_addr_add+0x4f8/0xa40 [ 5247.988775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.988775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.988775][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.988775][ T72] netlink_unicast+0x449/0x710 [ 5247.988775][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.988775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.988775][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.988775][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.988775][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.988775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.988775][ T72] [ 5247.991020][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5247.991020][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.991020][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.991020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.991020][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5247.991020][ T72] ipv6_add_addr+0x411/0x2000 [ 5247.991020][ T72] inet6_addr_add+0x30e/0xa40 [ 5247.991020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.991020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.991020][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.991020][ T72] netlink_unicast+0x449/0x710 [ 5247.991020][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.991020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.991020][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.991020][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.991020][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.991020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.991020][ T72] [ 5247.993293][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5247.993293][ T72] netdev_get_by_index+0x5e/0x80 [ 5247.993293][ T72] fib6_nh_init+0x3d8/0x1580 [ 5247.993293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5247.993293][ T72] ip6_route_add+0x1c/0x140 [ 5247.993293][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5247.993293][ T72] addrconf_add_dev+0xe2/0x170 [ 5247.993293][ T72] inet6_addr_add+0x12f/0xa40 [ 5247.993293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.993293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.993293][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.993293][ T72] netlink_unicast+0x449/0x710 [ 5247.993293][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.993293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.993293][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.993293][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.993293][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.993293][ T72] [ 5247.995543][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5247.995543][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5247.995543][ T72] ipv6_find_idev+0x102/0x170 [ 5247.995543][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.995543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.995543][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.995543][ T72] netlink_unicast+0x449/0x710 [ 5247.995543][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.995543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.995543][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.995543][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.995543][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.995543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.995543][ T72] [ 5247.997221][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5247.997221][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5247.997221][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5247.997221][ T72] ipv6_find_idev+0x102/0x170 [ 5247.997221][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.997221][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.997221][ T72] netlink_rcv_skb+0x130/0x360 [ 5247.997221][ T72] netlink_unicast+0x449/0x710 [ 5247.997221][ T72] netlink_sendmsg+0x723/0xbe0 [ 5247.997221][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5247.997221][ T72] ___sys_sendmsg+0xee/0x170 [ 5247.997221][ T72] __sys_sendmsg+0xcd/0x170 [ 5247.997221][ T72] do_syscall_64+0xc6/0x1e0 [ 5247.997221][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.997221][ T72] [ 5258.176945][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5258.177451][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5258.177451][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5258.177451][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5258.177451][ T72] fib6_nh_init+0xa22/0x1580 [ 5258.177451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.177451][ T72] ip6_route_add+0x1c/0x140 [ 5258.177451][ T72] inet6_rtm_newroute+0x104/0x110 [ 5258.177451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.177451][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.177451][ T72] netlink_unicast+0x449/0x710 [ 5258.177451][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.177451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.177451][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.177451][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.177451][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.177451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.177451][ T72] [ 5258.179370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5258.179370][ T72] dst_init+0x84/0x4a0 [ 5258.179370][ T72] dst_alloc+0x97/0x150 [ 5258.179370][ T72] ip6_dst_alloc+0x23/0x90 [ 5258.179370][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5258.179370][ T72] ip6_pol_route+0x56f/0x840 [ 5258.179370][ T72] fib6_rule_lookup+0x456/0x630 [ 5258.179370][ T72] ip6_route_input+0x59c/0xa50 [ 5258.179370][ T72] ipv6_rcv+0x397/0x810 [ 5258.179370][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5258.179370][ T72] process_backlog+0x101/0x620 [ 5258.179370][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5258.179370][ T72] net_rx_action+0x495/0xbe0 [ 5258.179370][ T72] __do_softirq+0x1b5/0x7f6 [ 5258.179370][ T72] [ 5258.181018][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5258.181018][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.181018][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.181018][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.181018][ T72] ip6_route_add+0x1c/0x140 [ 5258.181018][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5258.181018][ T72] inet6_addr_add+0x4f8/0xa40 [ 5258.181018][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.181018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.181018][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.181018][ T72] netlink_unicast+0x449/0x710 [ 5258.181018][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.181018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.181018][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.181018][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.181018][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.181018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.181018][ T72] [ 5258.183041][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5258.183041][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.183041][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.183041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.183041][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5258.183041][ T72] ipv6_add_addr+0x411/0x2000 [ 5258.183041][ T72] inet6_addr_add+0x30e/0xa40 [ 5258.183041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.183041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.183041][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.183041][ T72] netlink_unicast+0x449/0x710 [ 5258.183041][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.183041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.183041][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.183041][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.183041][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.183041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.183041][ T72] [ 5258.185059][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5258.185059][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.185059][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.185059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.185059][ T72] ip6_route_add+0x1c/0x140 [ 5258.185059][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5258.185059][ T72] addrconf_add_dev+0xe2/0x170 [ 5258.185059][ T72] inet6_addr_add+0x12f/0xa40 [ 5258.185059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.185059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.185059][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.185059][ T72] netlink_unicast+0x449/0x710 [ 5258.185059][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.185059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.185059][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.185059][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.185059][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.185059][ T72] [ 5258.187037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5258.187037][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5258.187037][ T72] ipv6_find_idev+0x102/0x170 [ 5258.187037][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.187037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.187037][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.187037][ T72] netlink_unicast+0x449/0x710 [ 5258.187037][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.187037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.187037][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.187037][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.187037][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.187037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.187037][ T72] [ 5258.188580][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5258.188580][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5258.188580][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5258.188580][ T72] ipv6_find_idev+0x102/0x170 [ 5258.188580][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.188580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.188580][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.188580][ T72] netlink_unicast+0x449/0x710 [ 5258.188580][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.188580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.188580][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.188580][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.188580][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.188580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.188580][ T72] [ 5258.190284][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5258.190556][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5258.190556][ T72] dst_init+0x84/0x4a0 [ 5258.190556][ T72] dst_alloc+0x97/0x150 [ 5258.190556][ T72] ip6_dst_alloc+0x23/0x90 [ 5258.190556][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5258.190556][ T72] ip6_pol_route+0x56f/0x840 [ 5258.190556][ T72] fib6_rule_lookup+0x456/0x630 [ 5258.190556][ T72] ip6_route_input+0x59c/0xa50 [ 5258.190556][ T72] ipv6_rcv+0x397/0x810 [ 5258.190556][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5258.190556][ T72] process_backlog+0x101/0x620 [ 5258.190556][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5258.190556][ T72] net_rx_action+0x495/0xbe0 [ 5258.190556][ T72] __do_softirq+0x1b5/0x7f6 [ 5258.190556][ T72] [ 5258.192217][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5258.192217][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.192217][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.192217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.192217][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5258.192217][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5258.192217][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5258.192217][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5258.192217][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5258.192217][ T72] addrconf_dad_begin+0x310/0x670 [ 5258.192217][ T72] addrconf_dad_work+0x10b/0xab0 [ 5258.192217][ T72] process_one_work+0x84d/0x18a0 [ 5258.192217][ T72] worker_thread+0x587/0xd30 [ 5258.192217][ T72] kthread+0x28a/0x350 [ 5258.192217][ T72] ret_from_fork+0x31/0x70 [ 5258.192217][ T72] ret_from_fork_asm+0x1a/0x30 [ 5258.192217][ T72] [ 5258.194143][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5258.194143][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.194143][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.194143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.194143][ T72] ip6_route_add+0x1c/0x140 [ 5258.194143][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5258.194143][ T72] inet6_addr_add+0x4f8/0xa40 [ 5258.194143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.194143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.194143][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.194143][ T72] netlink_unicast+0x449/0x710 [ 5258.194143][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.194143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.194143][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.194143][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.194143][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.194143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.194143][ T72] [ 5258.196148][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5258.196148][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.196148][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.196148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.196148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5258.196148][ T72] ipv6_add_addr+0x411/0x2000 [ 5258.196148][ T72] inet6_addr_add+0x30e/0xa40 [ 5258.196148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.196148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.196148][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.196148][ T72] netlink_unicast+0x449/0x710 [ 5258.196148][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.196148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.196148][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.196148][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.196148][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.196148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.196148][ T72] [ 5258.198156][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5258.198156][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.198156][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.198156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.198156][ T72] ip6_route_add+0x1c/0x140 [ 5258.198156][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5258.198156][ T72] addrconf_add_dev+0xe2/0x170 [ 5258.198156][ T72] inet6_addr_add+0x12f/0xa40 [ 5258.198156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.198156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.198156][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.198156][ T72] netlink_unicast+0x449/0x710 [ 5258.198156][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.198156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.198156][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.198156][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.198156][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.198156][ T72] [ 5258.200127][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5258.200127][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5258.200127][ T72] ipv6_find_idev+0x102/0x170 [ 5258.200127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.200127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.200127][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.200127][ T72] netlink_unicast+0x449/0x710 [ 5258.200127][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.200127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.200127][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.200127][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.200127][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.200127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.200127][ T72] [ 5258.201672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5258.201672][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5258.201672][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5258.201672][ T72] ipv6_find_idev+0x102/0x170 [ 5258.201672][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.201672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.201672][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.201672][ T72] netlink_unicast+0x449/0x710 [ 5258.201672][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.201672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.201672][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.201672][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.201672][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.201672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.201672][ T72] [ 5258.203416][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5258.203749][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5258.203749][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5258.203749][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5258.203749][ T72] fib6_nh_init+0xa22/0x1580 [ 5258.203749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.203749][ T72] ip6_route_add+0x1c/0x140 [ 5258.203749][ T72] inet6_rtm_newroute+0x104/0x110 [ 5258.203749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.203749][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.203749][ T72] netlink_unicast+0x449/0x710 [ 5258.203749][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.203749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.203749][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.203749][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.203749][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.203749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.203749][ T72] [ 5258.205874][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5258.205874][ T72] dst_init+0x84/0x4a0 [ 5258.205874][ T72] dst_alloc+0x97/0x150 [ 5258.205874][ T72] ip6_dst_alloc+0x23/0x90 [ 5258.205874][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5258.205874][ T72] ip6_pol_route+0x56f/0x840 [ 5258.205874][ T72] fib6_rule_lookup+0x456/0x630 [ 5258.205874][ T72] ip6_route_input+0x59c/0xa50 [ 5258.205874][ T72] ipv6_rcv+0x397/0x810 [ 5258.205874][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5258.205874][ T72] process_backlog+0x101/0x620 [ 5258.205874][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5258.205874][ T72] net_rx_action+0x495/0xbe0 [ 5258.205874][ T72] __do_softirq+0x1b5/0x7f6 [ 5258.205874][ T72] [ 5258.208226][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5258.208226][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.208226][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.208226][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.208226][ T72] ip6_route_add+0x1c/0x140 [ 5258.208226][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5258.208226][ T72] inet6_addr_add+0x4f8/0xa40 [ 5258.208226][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.208226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.208226][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.208226][ T72] netlink_unicast+0x449/0x710 [ 5258.208226][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.208226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.208226][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.208226][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.208226][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.208226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.208226][ T72] [ 5258.210475][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5258.210475][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.210475][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.210475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.210475][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5258.210475][ T72] ipv6_add_addr+0x411/0x2000 [ 5258.210475][ T72] inet6_addr_add+0x30e/0xa40 [ 5258.210475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.210475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.210475][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.210475][ T72] netlink_unicast+0x449/0x710 [ 5258.210475][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.210475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.210475][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.210475][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.210475][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.210475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.210475][ T72] [ 5258.212677][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5258.212677][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.212677][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.212677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.212677][ T72] ip6_route_add+0x1c/0x140 [ 5258.212677][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5258.212677][ T72] addrconf_add_dev+0xe2/0x170 [ 5258.212677][ T72] inet6_addr_add+0x12f/0xa40 [ 5258.212677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.212677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.212677][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.212677][ T72] netlink_unicast+0x449/0x710 [ 5258.212677][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.212677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.212677][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.212677][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.212677][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.212677][ T72] [ 5258.214957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5258.214957][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5258.214957][ T72] ipv6_find_idev+0x102/0x170 [ 5258.214957][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.214957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.214957][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.214957][ T72] netlink_unicast+0x449/0x710 [ 5258.214957][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.214957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.214957][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.214957][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.214957][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.214957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.214957][ T72] [ 5258.248680][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5258.248680][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5258.248680][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5258.248680][ T72] ipv6_find_idev+0x102/0x170 [ 5258.248680][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.248680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.248680][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.248680][ T72] netlink_unicast+0x449/0x710 [ 5258.248680][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.248680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.248680][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.248680][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.248680][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.248680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.248680][ T72] [ 5258.250576][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5258.251311][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5258.251311][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.251311][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.251311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.251311][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5258.251311][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5258.251311][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5258.251311][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5258.251311][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5258.251311][ T72] addrconf_dad_begin+0x310/0x670 [ 5258.251311][ T72] addrconf_dad_work+0x10b/0xab0 [ 5258.251311][ T72] process_one_work+0x84d/0x18a0 [ 5258.251311][ T72] worker_thread+0x587/0xd30 [ 5258.251311][ T72] kthread+0x28a/0x350 [ 5258.251311][ T72] ret_from_fork+0x31/0x70 [ 5258.251311][ T72] ret_from_fork_asm+0x1a/0x30 [ 5258.251311][ T72] [ 5258.253250][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5258.253250][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.253250][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.253250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.253250][ T72] ip6_route_add+0x1c/0x140 [ 5258.253250][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5258.253250][ T72] inet6_addr_add+0x4f8/0xa40 [ 5258.253250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.253250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.253250][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.253250][ T72] netlink_unicast+0x449/0x710 [ 5258.253250][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.253250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.253250][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.253250][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.253250][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.253250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.253250][ T72] [ 5258.255386][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5258.255386][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.255386][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.255386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.255386][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5258.255386][ T72] ipv6_add_addr+0x411/0x2000 [ 5258.255386][ T72] inet6_addr_add+0x30e/0xa40 [ 5258.255386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.255386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.255386][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.255386][ T72] netlink_unicast+0x449/0x710 [ 5258.255386][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.255386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.255386][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.255386][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.255386][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.255386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.255386][ T72] [ 5258.257591][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5258.257591][ T72] netdev_get_by_index+0x5e/0x80 [ 5258.257591][ T72] fib6_nh_init+0x3d8/0x1580 [ 5258.257591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5258.257591][ T72] ip6_route_add+0x1c/0x140 [ 5258.257591][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5258.257591][ T72] addrconf_add_dev+0xe2/0x170 [ 5258.257591][ T72] inet6_addr_add+0x12f/0xa40 [ 5258.257591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.257591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.257591][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.257591][ T72] netlink_unicast+0x449/0x710 [ 5258.257591][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.257591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.257591][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.257591][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.257591][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.257591][ T72] [ 5258.259860][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5258.259860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5258.259860][ T72] ipv6_find_idev+0x102/0x170 [ 5258.259860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.259860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.259860][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.259860][ T72] netlink_unicast+0x449/0x710 [ 5258.259860][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.259860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.259860][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.259860][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.259860][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.259860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.259860][ T72] [ 5258.261583][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5258.261583][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5258.261583][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5258.261583][ T72] ipv6_find_idev+0x102/0x170 [ 5258.261583][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.261583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.261583][ T72] netlink_rcv_skb+0x130/0x360 [ 5258.261583][ T72] netlink_unicast+0x449/0x710 [ 5258.261583][ T72] netlink_sendmsg+0x723/0xbe0 [ 5258.261583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5258.261583][ T72] ___sys_sendmsg+0xee/0x170 [ 5258.261583][ T72] __sys_sendmsg+0xcd/0x170 [ 5258.261583][ T72] do_syscall_64+0xc6/0x1e0 [ 5258.261583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.261583][ T72] [ 5268.496905][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5268.497407][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5268.497407][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5268.497407][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5268.497407][ T72] fib6_nh_init+0xa22/0x1580 [ 5268.497407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.497407][ T72] ip6_route_add+0x1c/0x140 [ 5268.497407][ T72] inet6_rtm_newroute+0x104/0x110 [ 5268.497407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.497407][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.497407][ T72] netlink_unicast+0x449/0x710 [ 5268.497407][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.497407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.497407][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.497407][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.497407][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.497407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.497407][ T72] [ 5268.499399][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5268.499399][ T72] dst_init+0x84/0x4a0 [ 5268.499399][ T72] dst_alloc+0x97/0x150 [ 5268.499399][ T72] ip6_dst_alloc+0x23/0x90 [ 5268.499399][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5268.499399][ T72] ip6_pol_route+0x56f/0x840 [ 5268.499399][ T72] fib6_rule_lookup+0x456/0x630 [ 5268.499399][ T72] ip6_route_input+0x59c/0xa50 [ 5268.499399][ T72] ipv6_rcv+0x397/0x810 [ 5268.499399][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5268.499399][ T72] process_backlog+0x101/0x620 [ 5268.499399][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5268.499399][ T72] net_rx_action+0x495/0xbe0 [ 5268.499399][ T72] __do_softirq+0x1b5/0x7f6 [ 5268.499399][ T72] [ 5268.501092][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5268.501092][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.501092][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.501092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.501092][ T72] ip6_route_add+0x1c/0x140 [ 5268.501092][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5268.501092][ T72] inet6_addr_add+0x4f8/0xa40 [ 5268.501092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.501092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.501092][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.501092][ T72] netlink_unicast+0x449/0x710 [ 5268.501092][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.501092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.501092][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.501092][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.501092][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.501092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.501092][ T72] [ 5268.503122][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5268.503122][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.503122][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.503122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.503122][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5268.503122][ T72] ipv6_add_addr+0x411/0x2000 [ 5268.503122][ T72] inet6_addr_add+0x30e/0xa40 [ 5268.503122][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.503122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.503122][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.503122][ T72] netlink_unicast+0x449/0x710 [ 5268.503122][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.503122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.503122][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.503122][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.503122][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.503122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.503122][ T72] [ 5268.505149][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5268.505149][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.505149][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.505149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.505149][ T72] ip6_route_add+0x1c/0x140 [ 5268.505149][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5268.505149][ T72] addrconf_add_dev+0xe2/0x170 [ 5268.505149][ T72] inet6_addr_add+0x12f/0xa40 [ 5268.505149][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.505149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.505149][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.505149][ T72] netlink_unicast+0x449/0x710 [ 5268.505149][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.505149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.505149][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.505149][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.505149][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.505149][ T72] [ 5268.507133][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5268.507133][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5268.507133][ T72] ipv6_find_idev+0x102/0x170 [ 5268.507133][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.507133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.507133][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.507133][ T72] netlink_unicast+0x449/0x710 [ 5268.507133][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.507133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.507133][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.507133][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.507133][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.507133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.507133][ T72] [ 5268.508691][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5268.508691][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5268.508691][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5268.508691][ T72] ipv6_find_idev+0x102/0x170 [ 5268.508691][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.508691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.508691][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.508691][ T72] netlink_unicast+0x449/0x710 [ 5268.508691][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.508691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.508691][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.508691][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.508691][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.508691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.508691][ T72] [ 5268.510391][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5268.510671][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5268.510671][ T72] dst_init+0x84/0x4a0 [ 5268.510671][ T72] dst_alloc+0x97/0x150 [ 5268.510671][ T72] ip6_dst_alloc+0x23/0x90 [ 5268.510671][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5268.510671][ T72] ip6_pol_route+0x56f/0x840 [ 5268.510671][ T72] fib6_rule_lookup+0x456/0x630 [ 5268.510671][ T72] ip6_route_input+0x59c/0xa50 [ 5268.510671][ T72] ipv6_rcv+0x397/0x810 [ 5268.510671][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5268.510671][ T72] process_backlog+0x101/0x620 [ 5268.510671][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5268.510671][ T72] net_rx_action+0x495/0xbe0 [ 5268.510671][ T72] __do_softirq+0x1b5/0x7f6 [ 5268.510671][ T72] [ 5268.512317][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5268.512317][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.512317][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.512317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.512317][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5268.512317][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5268.512317][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5268.512317][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5268.512317][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5268.512317][ T72] addrconf_dad_begin+0x310/0x670 [ 5268.512317][ T72] addrconf_dad_work+0x10b/0xab0 [ 5268.512317][ T72] process_one_work+0x84d/0x18a0 [ 5268.512317][ T72] worker_thread+0x587/0xd30 [ 5268.512317][ T72] kthread+0x28a/0x350 [ 5268.512317][ T72] ret_from_fork+0x31/0x70 [ 5268.512317][ T72] ret_from_fork_asm+0x1a/0x30 [ 5268.512317][ T72] [ 5268.514235][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5268.514235][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.514235][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.514235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.514235][ T72] ip6_route_add+0x1c/0x140 [ 5268.514235][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5268.514235][ T72] inet6_addr_add+0x4f8/0xa40 [ 5268.514235][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.514235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.514235][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.514235][ T72] netlink_unicast+0x449/0x710 [ 5268.514235][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.514235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.514235][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.514235][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.514235][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.514235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.514235][ T72] [ 5268.516238][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5268.516238][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.516238][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.516238][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.516238][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5268.516238][ T72] ipv6_add_addr+0x411/0x2000 [ 5268.516238][ T72] inet6_addr_add+0x30e/0xa40 [ 5268.516238][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.516238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.516238][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.516238][ T72] netlink_unicast+0x449/0x710 [ 5268.516238][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.516238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.516238][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.516238][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.516238][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.516238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.516238][ T72] [ 5268.518243][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5268.518243][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.518243][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.518243][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.518243][ T72] ip6_route_add+0x1c/0x140 [ 5268.518243][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5268.518243][ T72] addrconf_add_dev+0xe2/0x170 [ 5268.518243][ T72] inet6_addr_add+0x12f/0xa40 [ 5268.518243][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.518243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.518243][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.518243][ T72] netlink_unicast+0x449/0x710 [ 5268.518243][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.518243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.518243][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.518243][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.518243][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.518243][ T72] [ 5268.520175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5268.520175][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5268.520175][ T72] ipv6_find_idev+0x102/0x170 [ 5268.520175][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.520175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.520175][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.520175][ T72] netlink_unicast+0x449/0x710 [ 5268.520175][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.520175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.520175][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.520175][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.520175][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.520175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.520175][ T72] [ 5268.521731][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5268.521731][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5268.521731][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5268.521731][ T72] ipv6_find_idev+0x102/0x170 [ 5268.521731][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.521731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.521731][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.521731][ T72] netlink_unicast+0x449/0x710 [ 5268.521731][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.521731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.521731][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.521731][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.521731][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.521731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.521731][ T72] [ 5268.523465][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5268.523817][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5268.523817][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5268.523817][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5268.523817][ T72] fib6_nh_init+0xa22/0x1580 [ 5268.523817][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.523817][ T72] ip6_route_add+0x1c/0x140 [ 5268.523817][ T72] inet6_rtm_newroute+0x104/0x110 [ 5268.523817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.523817][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.523817][ T72] netlink_unicast+0x449/0x710 [ 5268.523817][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.523817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.523817][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.523817][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.523817][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.523817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.523817][ T72] [ 5268.525945][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5268.525945][ T72] dst_init+0x84/0x4a0 [ 5268.525945][ T72] dst_alloc+0x97/0x150 [ 5268.525945][ T72] ip6_dst_alloc+0x23/0x90 [ 5268.525945][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5268.525945][ T72] ip6_pol_route+0x56f/0x840 [ 5268.525945][ T72] fib6_rule_lookup+0x456/0x630 [ 5268.525945][ T72] ip6_route_input+0x59c/0xa50 [ 5268.525945][ T72] ipv6_rcv+0x397/0x810 [ 5268.525945][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5268.525945][ T72] process_backlog+0x101/0x620 [ 5268.525945][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5268.525945][ T72] net_rx_action+0x495/0xbe0 [ 5268.525945][ T72] __do_softirq+0x1b5/0x7f6 [ 5268.525945][ T72] [ 5268.527768][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5268.527768][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.527768][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.527768][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.527768][ T72] ip6_route_add+0x1c/0x140 [ 5268.527768][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5268.527768][ T72] inet6_addr_add+0x4f8/0xa40 [ 5268.527768][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.527768][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.527768][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.527768][ T72] netlink_unicast+0x449/0x710 [ 5268.527768][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.527768][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.527768][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.527768][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.527768][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.527768][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.527768][ T72] [ 5268.530024][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5268.530024][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.530024][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.530024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.530024][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5268.530024][ T72] ipv6_add_addr+0x411/0x2000 [ 5268.530024][ T72] inet6_addr_add+0x30e/0xa40 [ 5268.530024][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.530024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.530024][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.530024][ T72] netlink_unicast+0x449/0x710 [ 5268.530024][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.530024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.530024][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.530024][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.530024][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.530024][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.530024][ T72] [ 5268.532219][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5268.532219][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.532219][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.532219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.532219][ T72] ip6_route_add+0x1c/0x140 [ 5268.532219][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5268.532219][ T72] addrconf_add_dev+0xe2/0x170 [ 5268.532219][ T72] inet6_addr_add+0x12f/0xa40 [ 5268.532219][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.532219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.532219][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.532219][ T72] netlink_unicast+0x449/0x710 [ 5268.532219][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.532219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.532219][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.532219][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.532219][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.532219][ T72] [ 5268.534477][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5268.534477][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5268.534477][ T72] ipv6_find_idev+0x102/0x170 [ 5268.534477][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.534477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.534477][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.534477][ T72] netlink_unicast+0x449/0x710 [ 5268.534477][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.534477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.534477][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.534477][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.534477][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.534477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.534477][ T72] [ 5268.536199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5268.536199][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5268.536199][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5268.536199][ T72] ipv6_find_idev+0x102/0x170 [ 5268.536199][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.536199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.536199][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.536199][ T72] netlink_unicast+0x449/0x710 [ 5268.536199][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.536199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.536199][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.536199][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.536199][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.536199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.536199][ T72] [ 5268.538099][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5268.538368][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5268.538368][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.538368][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.538368][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.538368][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5268.538368][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5268.538368][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5268.538368][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5268.538368][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5268.538368][ T72] addrconf_dad_begin+0x310/0x670 [ 5268.538368][ T72] addrconf_dad_work+0x10b/0xab0 [ 5268.538368][ T72] process_one_work+0x84d/0x18a0 [ 5268.538368][ T72] worker_thread+0x587/0xd30 [ 5268.538368][ T72] kthread+0x28a/0x350 [ 5268.538368][ T72] ret_from_fork+0x31/0x70 [ 5268.538368][ T72] ret_from_fork_asm+0x1a/0x30 [ 5268.538368][ T72] [ 5268.540464][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5268.540464][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.540464][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.540464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.540464][ T72] ip6_route_add+0x1c/0x140 [ 5268.540464][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5268.540464][ T72] inet6_addr_add+0x4f8/0xa40 [ 5268.540464][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.540464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.540464][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.540464][ T72] netlink_unicast+0x449/0x710 [ 5268.540464][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.540464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.540464][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.540464][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.540464][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.540464][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.540464][ T72] [ 5268.542722][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5268.542722][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.542722][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.542722][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.542722][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5268.542722][ T72] ipv6_add_addr+0x411/0x2000 [ 5268.542722][ T72] inet6_addr_add+0x30e/0xa40 [ 5268.542722][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.542722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.542722][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.542722][ T72] netlink_unicast+0x449/0x710 [ 5268.542722][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.542722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.542722][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.542722][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.542722][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.542722][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.542722][ T72] [ 5268.545033][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5268.545033][ T72] netdev_get_by_index+0x5e/0x80 [ 5268.545033][ T72] fib6_nh_init+0x3d8/0x1580 [ 5268.545033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5268.545033][ T72] ip6_route_add+0x1c/0x140 [ 5268.545033][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5268.545033][ T72] addrconf_add_dev+0xe2/0x170 [ 5268.545033][ T72] inet6_addr_add+0x12f/0xa40 [ 5268.545033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.545033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.545033][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.545033][ T72] netlink_unicast+0x449/0x710 [ 5268.545033][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.545033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.545033][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.545033][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.545033][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.545033][ T72] [ 5268.547194][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5268.547194][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5268.547194][ T72] ipv6_find_idev+0x102/0x170 [ 5268.547194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.547194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.547194][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.547194][ T72] netlink_unicast+0x449/0x710 [ 5268.547194][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.547194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.547194][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.547194][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.547194][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.547194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.547194][ T72] [ 5268.548922][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5268.548922][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5268.548922][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5268.548922][ T72] ipv6_find_idev+0x102/0x170 [ 5268.548922][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.548922][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.548922][ T72] netlink_rcv_skb+0x130/0x360 [ 5268.548922][ T72] netlink_unicast+0x449/0x710 [ 5268.548922][ T72] netlink_sendmsg+0x723/0xbe0 [ 5268.548922][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5268.548922][ T72] ___sys_sendmsg+0xee/0x170 [ 5268.548922][ T72] __sys_sendmsg+0xcd/0x170 [ 5268.548922][ T72] do_syscall_64+0xc6/0x1e0 [ 5268.548922][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.548922][ T72] [ 5278.792938][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5278.793606][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5278.793606][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5278.793606][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5278.793606][ T72] fib6_nh_init+0xa22/0x1580 [ 5278.793606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.793606][ T72] ip6_route_add+0x1c/0x140 [ 5278.793606][ T72] inet6_rtm_newroute+0x104/0x110 [ 5278.793606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.793606][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.793606][ T72] netlink_unicast+0x449/0x710 [ 5278.793606][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.793606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.793606][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.793606][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.793606][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.793606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.793606][ T72] [ 5278.795778][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5278.795778][ T72] dst_init+0x84/0x4a0 [ 5278.795778][ T72] dst_alloc+0x97/0x150 [ 5278.795778][ T72] ip6_dst_alloc+0x23/0x90 [ 5278.795778][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5278.795778][ T72] ip6_pol_route+0x56f/0x840 [ 5278.795778][ T72] fib6_rule_lookup+0x456/0x630 [ 5278.795778][ T72] ip6_route_input+0x59c/0xa50 [ 5278.795778][ T72] ipv6_rcv+0x397/0x810 [ 5278.795778][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5278.795778][ T72] process_backlog+0x101/0x620 [ 5278.795778][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5278.795778][ T72] net_rx_action+0x495/0xbe0 [ 5278.795778][ T72] __do_softirq+0x1b5/0x7f6 [ 5278.795778][ T72] [ 5278.797637][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5278.797637][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.797637][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.797637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.797637][ T72] ip6_route_add+0x1c/0x140 [ 5278.797637][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5278.797637][ T72] inet6_addr_add+0x4f8/0xa40 [ 5278.797637][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.797637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.797637][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.797637][ T72] netlink_unicast+0x449/0x710 [ 5278.797637][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.797637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.797637][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.797637][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.797637][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.797637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.797637][ T72] [ 5278.799962][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5278.799962][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.799962][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.799962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.799962][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5278.799962][ T72] ipv6_add_addr+0x411/0x2000 [ 5278.799962][ T72] inet6_addr_add+0x30e/0xa40 [ 5278.799962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.799962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.799962][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.799962][ T72] netlink_unicast+0x449/0x710 [ 5278.799962][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.799962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.799962][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.799962][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.799962][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.799962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.799962][ T72] [ 5278.802262][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5278.802262][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.802262][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.802262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.802262][ T72] ip6_route_add+0x1c/0x140 [ 5278.802262][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5278.802262][ T72] addrconf_add_dev+0xe2/0x170 [ 5278.802262][ T72] inet6_addr_add+0x12f/0xa40 [ 5278.802262][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.802262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.802262][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.802262][ T72] netlink_unicast+0x449/0x710 [ 5278.802262][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.802262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.802262][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.802262][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.802262][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.802262][ T72] [ 5278.804507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5278.804507][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5278.804507][ T72] ipv6_find_idev+0x102/0x170 [ 5278.804507][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.804507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.804507][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.804507][ T72] netlink_unicast+0x449/0x710 [ 5278.804507][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.804507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.804507][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.804507][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.804507][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.804507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.804507][ T72] [ 5278.806241][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5278.806241][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5278.806241][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5278.806241][ T72] ipv6_find_idev+0x102/0x170 [ 5278.806241][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.806241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.806241][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.806241][ T72] netlink_unicast+0x449/0x710 [ 5278.806241][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.806241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.806241][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.806241][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.806241][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.806241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.806241][ T72] [ 5278.808160][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5278.808460][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5278.808460][ T72] dst_init+0x84/0x4a0 [ 5278.808460][ T72] dst_alloc+0x97/0x150 [ 5278.808460][ T72] ip6_dst_alloc+0x23/0x90 [ 5278.808460][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5278.808460][ T72] ip6_pol_route+0x56f/0x840 [ 5278.808460][ T72] fib6_rule_lookup+0x456/0x630 [ 5278.808460][ T72] ip6_route_input+0x59c/0xa50 [ 5278.808460][ T72] ipv6_rcv+0x397/0x810 [ 5278.808460][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5278.808460][ T72] process_backlog+0x101/0x620 [ 5278.808460][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5278.808460][ T72] net_rx_action+0x495/0xbe0 [ 5278.808460][ T72] __do_softirq+0x1b5/0x7f6 [ 5278.808460][ T72] [ 5278.810348][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5278.810348][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.810348][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.810348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.810348][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5278.810348][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5278.810348][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5278.810348][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5278.810348][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5278.810348][ T72] addrconf_dad_begin+0x310/0x670 [ 5278.810348][ T72] addrconf_dad_work+0x10b/0xab0 [ 5278.810348][ T72] process_one_work+0x84d/0x18a0 [ 5278.810348][ T72] worker_thread+0x587/0xd30 [ 5278.810348][ T72] kthread+0x28a/0x350 [ 5278.810348][ T72] ret_from_fork+0x31/0x70 [ 5278.810348][ T72] ret_from_fork_asm+0x1a/0x30 [ 5278.810348][ T72] [ 5278.812553][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5278.812553][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.812553][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.812553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.812553][ T72] ip6_route_add+0x1c/0x140 [ 5278.812553][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5278.812553][ T72] inet6_addr_add+0x4f8/0xa40 [ 5278.812553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.812553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.812553][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.812553][ T72] netlink_unicast+0x449/0x710 [ 5278.812553][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.812553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.812553][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.812553][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.812553][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.812553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.812553][ T72] [ 5278.814905][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5278.814905][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.814905][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.814905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.814905][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5278.814905][ T72] ipv6_add_addr+0x411/0x2000 [ 5278.814905][ T72] inet6_addr_add+0x30e/0xa40 [ 5278.814905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.814905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.814905][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.814905][ T72] netlink_unicast+0x449/0x710 [ 5278.814905][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.814905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.814905][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.814905][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.814905][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.814905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.814905][ T72] [ 5278.817190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5278.817190][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.817190][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.817190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.817190][ T72] ip6_route_add+0x1c/0x140 [ 5278.817190][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5278.817190][ T72] addrconf_add_dev+0xe2/0x170 [ 5278.817190][ T72] inet6_addr_add+0x12f/0xa40 [ 5278.817190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.817190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.817190][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.817190][ T72] netlink_unicast+0x449/0x710 [ 5278.817190][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.817190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.817190][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.817190][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.817190][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.817190][ T72] [ 5278.819422][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5278.819422][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5278.819422][ T72] ipv6_find_idev+0x102/0x170 [ 5278.819422][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.819422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.819422][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.819422][ T72] netlink_unicast+0x449/0x710 [ 5278.819422][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.819422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.819422][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.819422][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.819422][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.819422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.819422][ T72] [ 5278.821130][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5278.821130][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5278.821130][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5278.821130][ T72] ipv6_find_idev+0x102/0x170 [ 5278.821130][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.821130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.821130][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.821130][ T72] netlink_unicast+0x449/0x710 [ 5278.821130][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.821130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.821130][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.821130][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.821130][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.821130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.821130][ T72] [ 5278.823113][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5278.823416][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5278.823416][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5278.823416][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5278.823416][ T72] fib6_nh_init+0xa22/0x1580 [ 5278.823416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.823416][ T72] ip6_route_add+0x1c/0x140 [ 5278.823416][ T72] inet6_rtm_newroute+0x104/0x110 [ 5278.823416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.823416][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.823416][ T72] netlink_unicast+0x449/0x710 [ 5278.823416][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.823416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.823416][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.823416][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.823416][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.823416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.823416][ T72] [ 5278.825853][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5278.825853][ T72] dst_init+0x84/0x4a0 [ 5278.825853][ T72] dst_alloc+0x97/0x150 [ 5278.825853][ T72] ip6_dst_alloc+0x23/0x90 [ 5278.825853][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5278.825853][ T72] ip6_pol_route+0x56f/0x840 [ 5278.825853][ T72] fib6_rule_lookup+0x456/0x630 [ 5278.825853][ T72] ip6_route_input+0x59c/0xa50 [ 5278.825853][ T72] ipv6_rcv+0x397/0x810 [ 5278.825853][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5278.825853][ T72] process_backlog+0x101/0x620 [ 5278.825853][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5278.825853][ T72] net_rx_action+0x495/0xbe0 [ 5278.825853][ T72] __do_softirq+0x1b5/0x7f6 [ 5278.825853][ T72] [ 5278.827853][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5278.827853][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.827853][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.827853][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.827853][ T72] ip6_route_add+0x1c/0x140 [ 5278.827853][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5278.827853][ T72] inet6_addr_add+0x4f8/0xa40 [ 5278.827853][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.827853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.827853][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.827853][ T72] netlink_unicast+0x449/0x710 [ 5278.827853][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.827853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.827853][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.827853][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.827853][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.827853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.827853][ T72] [ 5278.830396][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5278.830396][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.830396][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.830396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.830396][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5278.830396][ T72] ipv6_add_addr+0x411/0x2000 [ 5278.830396][ T72] inet6_addr_add+0x30e/0xa40 [ 5278.830396][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.830396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.830396][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.830396][ T72] netlink_unicast+0x449/0x710 [ 5278.830396][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.830396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.830396][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.830396][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.830396][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.830396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.830396][ T72] [ 5278.832848][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5278.832848][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.832848][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.832848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.832848][ T72] ip6_route_add+0x1c/0x140 [ 5278.832848][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5278.832848][ T72] addrconf_add_dev+0xe2/0x170 [ 5278.832848][ T72] inet6_addr_add+0x12f/0xa40 [ 5278.832848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.832848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.832848][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.832848][ T72] netlink_unicast+0x449/0x710 [ 5278.832848][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.832848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.832848][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.832848][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.832848][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.832848][ T72] [ 5278.835381][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5278.835381][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5278.835381][ T72] ipv6_find_idev+0x102/0x170 [ 5278.835381][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.835381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.835381][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.835381][ T72] netlink_unicast+0x449/0x710 [ 5278.835381][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.835381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.835381][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.835381][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.835381][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.835381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.835381][ T72] [ 5278.837289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5278.837289][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5278.837289][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5278.837289][ T72] ipv6_find_idev+0x102/0x170 [ 5278.837289][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.837289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.837289][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.837289][ T72] netlink_unicast+0x449/0x710 [ 5278.837289][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.837289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.837289][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.837289][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.837289][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.837289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.837289][ T72] [ 5278.839368][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5278.839760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5278.839760][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.839760][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.839760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.839760][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5278.839760][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5278.839760][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5278.839760][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5278.839760][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5278.839760][ T72] addrconf_dad_begin+0x310/0x670 [ 5278.839760][ T72] addrconf_dad_work+0x10b/0xab0 [ 5278.839760][ T72] process_one_work+0x84d/0x18a0 [ 5278.839760][ T72] worker_thread+0x587/0xd30 [ 5278.839760][ T72] kthread+0x28a/0x350 [ 5278.839760][ T72] ret_from_fork+0x31/0x70 [ 5278.839760][ T72] ret_from_fork_asm+0x1a/0x30 [ 5278.839760][ T72] [ 5278.842053][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5278.842053][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.842053][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.842053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.842053][ T72] ip6_route_add+0x1c/0x140 [ 5278.842053][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5278.842053][ T72] inet6_addr_add+0x4f8/0xa40 [ 5278.842053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.842053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.842053][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.842053][ T72] netlink_unicast+0x449/0x710 [ 5278.842053][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.842053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.842053][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.842053][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.842053][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.842053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.842053][ T72] [ 5278.844590][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5278.844590][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.844590][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.844590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.844590][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5278.844590][ T72] ipv6_add_addr+0x411/0x2000 [ 5278.844590][ T72] inet6_addr_add+0x30e/0xa40 [ 5278.844590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.844590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.844590][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.844590][ T72] netlink_unicast+0x449/0x710 [ 5278.844590][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.844590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.844590][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.844590][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.844590][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.844590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.844590][ T72] [ 5278.847116][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5278.847116][ T72] netdev_get_by_index+0x5e/0x80 [ 5278.847116][ T72] fib6_nh_init+0x3d8/0x1580 [ 5278.847116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5278.847116][ T72] ip6_route_add+0x1c/0x140 [ 5278.847116][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5278.847116][ T72] addrconf_add_dev+0xe2/0x170 [ 5278.847116][ T72] inet6_addr_add+0x12f/0xa40 [ 5278.847116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.847116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.847116][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.847116][ T72] netlink_unicast+0x449/0x710 [ 5278.847116][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.847116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.847116][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.847116][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.847116][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.847116][ T72] [ 5278.849580][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5278.849580][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5278.849580][ T72] ipv6_find_idev+0x102/0x170 [ 5278.849580][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.849580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.849580][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.849580][ T72] netlink_unicast+0x449/0x710 [ 5278.849580][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.849580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.849580][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.849580][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.849580][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.849580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.849580][ T72] [ 5278.851509][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5278.851509][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5278.851509][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5278.851509][ T72] ipv6_find_idev+0x102/0x170 [ 5278.851509][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.851509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.851509][ T72] netlink_rcv_skb+0x130/0x360 [ 5278.851509][ T72] netlink_unicast+0x449/0x710 [ 5278.851509][ T72] netlink_sendmsg+0x723/0xbe0 [ 5278.851509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5278.851509][ T72] ___sys_sendmsg+0xee/0x170 [ 5278.851509][ T72] __sys_sendmsg+0xcd/0x170 [ 5278.851509][ T72] do_syscall_64+0xc6/0x1e0 [ 5278.851509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.851509][ T72] [ 5289.088957][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5289.089549][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5289.089549][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5289.089549][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5289.089549][ T72] fib6_nh_init+0xa22/0x1580 [ 5289.089549][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.089549][ T72] ip6_route_add+0x1c/0x140 [ 5289.089549][ T72] inet6_rtm_newroute+0x104/0x110 [ 5289.089549][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.089549][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.089549][ T72] netlink_unicast+0x449/0x710 [ 5289.089549][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.089549][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.089549][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.089549][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.089549][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.089549][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.089549][ T72] [ 5289.091719][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5289.091719][ T72] dst_init+0x84/0x4a0 [ 5289.091719][ T72] dst_alloc+0x97/0x150 [ 5289.091719][ T72] ip6_dst_alloc+0x23/0x90 [ 5289.091719][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5289.091719][ T72] ip6_pol_route+0x56f/0x840 [ 5289.091719][ T72] fib6_rule_lookup+0x456/0x630 [ 5289.091719][ T72] ip6_route_input+0x59c/0xa50 [ 5289.091719][ T72] ipv6_rcv+0x397/0x810 [ 5289.091719][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5289.091719][ T72] process_backlog+0x101/0x620 [ 5289.091719][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5289.091719][ T72] net_rx_action+0x495/0xbe0 [ 5289.091719][ T72] __do_softirq+0x1b5/0x7f6 [ 5289.091719][ T72] [ 5289.093592][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5289.093592][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.093592][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.093592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.093592][ T72] ip6_route_add+0x1c/0x140 [ 5289.093592][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5289.093592][ T72] inet6_addr_add+0x4f8/0xa40 [ 5289.093592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.093592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.093592][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.093592][ T72] netlink_unicast+0x449/0x710 [ 5289.093592][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.093592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.093592][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.093592][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.093592][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.093592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.093592][ T72] [ 5289.095825][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5289.095825][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.095825][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.095825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.095825][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5289.095825][ T72] ipv6_add_addr+0x411/0x2000 [ 5289.095825][ T72] inet6_addr_add+0x30e/0xa40 [ 5289.095825][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.095825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.095825][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.095825][ T72] netlink_unicast+0x449/0x710 [ 5289.095825][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.095825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.095825][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.095825][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.095825][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.095825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.095825][ T72] [ 5289.098041][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5289.098041][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.098041][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.098041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.098041][ T72] ip6_route_add+0x1c/0x140 [ 5289.098041][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5289.098041][ T72] addrconf_add_dev+0xe2/0x170 [ 5289.098041][ T72] inet6_addr_add+0x12f/0xa40 [ 5289.098041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.098041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.098041][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.098041][ T72] netlink_unicast+0x449/0x710 [ 5289.098041][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.098041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.098041][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.098041][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.098041][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.098041][ T72] [ 5289.100226][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5289.100226][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5289.100226][ T72] ipv6_find_idev+0x102/0x170 [ 5289.100226][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.100226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.100226][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.100226][ T72] netlink_unicast+0x449/0x710 [ 5289.100226][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.100226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.100226][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.100226][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.100226][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.100226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.100226][ T72] [ 5289.101966][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5289.101966][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5289.101966][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5289.101966][ T72] ipv6_find_idev+0x102/0x170 [ 5289.101966][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.101966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.101966][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.101966][ T72] netlink_unicast+0x449/0x710 [ 5289.101966][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.101966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.101966][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.101966][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.101966][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.101966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.101966][ T72] [ 5289.103891][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5289.104188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5289.104188][ T72] dst_init+0x84/0x4a0 [ 5289.104188][ T72] dst_alloc+0x97/0x150 [ 5289.104188][ T72] ip6_dst_alloc+0x23/0x90 [ 5289.104188][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5289.104188][ T72] ip6_pol_route+0x56f/0x840 [ 5289.104188][ T72] fib6_rule_lookup+0x456/0x630 [ 5289.104188][ T72] ip6_route_input+0x59c/0xa50 [ 5289.104188][ T72] ipv6_rcv+0x397/0x810 [ 5289.104188][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5289.104188][ T72] process_backlog+0x101/0x620 [ 5289.104188][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5289.104188][ T72] net_rx_action+0x495/0xbe0 [ 5289.104188][ T72] __do_softirq+0x1b5/0x7f6 [ 5289.104188][ T72] [ 5289.106035][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5289.106035][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.106035][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.106035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.106035][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5289.106035][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5289.106035][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5289.106035][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5289.106035][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5289.106035][ T72] addrconf_dad_begin+0x310/0x670 [ 5289.106035][ T72] addrconf_dad_work+0x10b/0xab0 [ 5289.106035][ T72] process_one_work+0x84d/0x18a0 [ 5289.106035][ T72] worker_thread+0x587/0xd30 [ 5289.106035][ T72] kthread+0x28a/0x350 [ 5289.106035][ T72] ret_from_fork+0x31/0x70 [ 5289.106035][ T72] ret_from_fork_asm+0x1a/0x30 [ 5289.106035][ T72] [ 5289.108258][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5289.108258][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.108258][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.108258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.108258][ T72] ip6_route_add+0x1c/0x140 [ 5289.108258][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5289.108258][ T72] inet6_addr_add+0x4f8/0xa40 [ 5289.108258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.108258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.108258][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.108258][ T72] netlink_unicast+0x449/0x710 [ 5289.108258][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.108258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.108258][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.108258][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.108258][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.108258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.108258][ T72] [ 5289.110533][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5289.110533][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.110533][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.110533][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.110533][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5289.110533][ T72] ipv6_add_addr+0x411/0x2000 [ 5289.110533][ T72] inet6_addr_add+0x30e/0xa40 [ 5289.110533][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.110533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.110533][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.110533][ T72] netlink_unicast+0x449/0x710 [ 5289.110533][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.110533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.110533][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.110533][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.110533][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.110533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.110533][ T72] [ 5289.112746][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5289.112746][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.112746][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.112746][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.112746][ T72] ip6_route_add+0x1c/0x140 [ 5289.112746][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5289.112746][ T72] addrconf_add_dev+0xe2/0x170 [ 5289.112746][ T72] inet6_addr_add+0x12f/0xa40 [ 5289.112746][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.112746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.112746][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.112746][ T72] netlink_unicast+0x449/0x710 [ 5289.112746][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.112746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.112746][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.112746][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.112746][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.112746][ T72] [ 5289.114997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5289.114997][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5289.114997][ T72] ipv6_find_idev+0x102/0x170 [ 5289.114997][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.114997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.114997][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.114997][ T72] netlink_unicast+0x449/0x710 [ 5289.114997][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.114997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.114997][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.114997][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.114997][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.114997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.114997][ T72] [ 5289.116687][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5289.116687][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5289.116687][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5289.116687][ T72] ipv6_find_idev+0x102/0x170 [ 5289.116687][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.116687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.116687][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.116687][ T72] netlink_unicast+0x449/0x710 [ 5289.116687][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.116687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.116687][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.116687][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.116687][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.116687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.116687][ T72] [ 5289.118726][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5289.119039][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5289.119039][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5289.119039][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5289.119039][ T72] fib6_nh_init+0xa22/0x1580 [ 5289.119039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.119039][ T72] ip6_route_add+0x1c/0x140 [ 5289.119039][ T72] inet6_rtm_newroute+0x104/0x110 [ 5289.119039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.119039][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.119039][ T72] netlink_unicast+0x449/0x710 [ 5289.119039][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.119039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.119039][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.119039][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.119039][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.119039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.119039][ T72] [ 5289.121448][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5289.121448][ T72] dst_init+0x84/0x4a0 [ 5289.121448][ T72] dst_alloc+0x97/0x150 [ 5289.121448][ T72] ip6_dst_alloc+0x23/0x90 [ 5289.121448][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5289.121448][ T72] ip6_pol_route+0x56f/0x840 [ 5289.121448][ T72] fib6_rule_lookup+0x456/0x630 [ 5289.121448][ T72] ip6_route_input+0x59c/0xa50 [ 5289.121448][ T72] ipv6_rcv+0x397/0x810 [ 5289.121448][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5289.121448][ T72] process_backlog+0x101/0x620 [ 5289.121448][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5289.121448][ T72] net_rx_action+0x495/0xbe0 [ 5289.121448][ T72] __do_softirq+0x1b5/0x7f6 [ 5289.121448][ T72] [ 5289.123443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5289.123443][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.123443][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.123443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.123443][ T72] ip6_route_add+0x1c/0x140 [ 5289.123443][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5289.123443][ T72] inet6_addr_add+0x4f8/0xa40 [ 5289.123443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.123443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.123443][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.123443][ T72] netlink_unicast+0x449/0x710 [ 5289.123443][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.123443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.123443][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.123443][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.123443][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.123443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.123443][ T72] [ 5289.125949][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5289.125949][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.125949][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.125949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.125949][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5289.125949][ T72] ipv6_add_addr+0x411/0x2000 [ 5289.125949][ T72] inet6_addr_add+0x30e/0xa40 [ 5289.125949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.125949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.125949][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.125949][ T72] netlink_unicast+0x449/0x710 [ 5289.125949][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.125949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.125949][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.125949][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.125949][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.125949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.125949][ T72] [ 5289.128334][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5289.128334][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.128334][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.128334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.128334][ T72] ip6_route_add+0x1c/0x140 [ 5289.128334][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5289.128334][ T72] addrconf_add_dev+0xe2/0x170 [ 5289.128334][ T72] inet6_addr_add+0x12f/0xa40 [ 5289.128334][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.128334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.128334][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.128334][ T72] netlink_unicast+0x449/0x710 [ 5289.128334][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.128334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.128334][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.128334][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.128334][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.128334][ T72] [ 5289.130834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5289.130834][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5289.130834][ T72] ipv6_find_idev+0x102/0x170 [ 5289.130834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.130834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.130834][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.130834][ T72] netlink_unicast+0x449/0x710 [ 5289.130834][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.130834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.130834][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.130834][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.130834][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.130834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.130834][ T72] [ 5289.132794][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5289.132794][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5289.132794][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5289.132794][ T72] ipv6_find_idev+0x102/0x170 [ 5289.132794][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.132794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.132794][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.132794][ T72] netlink_unicast+0x449/0x710 [ 5289.132794][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.132794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.132794][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.132794][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.132794][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.132794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.132794][ T72] [ 5289.135401][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5289.135770][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5289.135770][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.135770][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.135770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.135770][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5289.135770][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5289.135770][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5289.135770][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5289.135770][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5289.135770][ T72] addrconf_dad_begin+0x310/0x670 [ 5289.135770][ T72] addrconf_dad_work+0x10b/0xab0 [ 5289.135770][ T72] process_one_work+0x84d/0x18a0 [ 5289.135770][ T72] worker_thread+0x587/0xd30 [ 5289.135770][ T72] kthread+0x28a/0x350 [ 5289.135770][ T72] ret_from_fork+0x31/0x70 [ 5289.135770][ T72] ret_from_fork_asm+0x1a/0x30 [ 5289.135770][ T72] [ 5289.138072][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5289.138072][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.138072][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.138072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.138072][ T72] ip6_route_add+0x1c/0x140 [ 5289.138072][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5289.138072][ T72] inet6_addr_add+0x4f8/0xa40 [ 5289.138072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.138072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.138072][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.138072][ T72] netlink_unicast+0x449/0x710 [ 5289.138072][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.138072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.138072][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.138072][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.138072][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.138072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.138072][ T72] [ 5289.140577][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5289.140577][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.140577][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.140577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.140577][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5289.140577][ T72] ipv6_add_addr+0x411/0x2000 [ 5289.140577][ T72] inet6_addr_add+0x30e/0xa40 [ 5289.140577][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.140577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.140577][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.140577][ T72] netlink_unicast+0x449/0x710 [ 5289.140577][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.140577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.140577][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.140577][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.140577][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.140577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.140577][ T72] [ 5289.143120][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5289.143120][ T72] netdev_get_by_index+0x5e/0x80 [ 5289.143120][ T72] fib6_nh_init+0x3d8/0x1580 [ 5289.143120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5289.143120][ T72] ip6_route_add+0x1c/0x140 [ 5289.143120][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5289.143120][ T72] addrconf_add_dev+0xe2/0x170 [ 5289.143120][ T72] inet6_addr_add+0x12f/0xa40 [ 5289.143120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.143120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.143120][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.143120][ T72] netlink_unicast+0x449/0x710 [ 5289.143120][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.143120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.143120][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.143120][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.143120][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.143120][ T72] [ 5289.145604][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5289.145604][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5289.145604][ T72] ipv6_find_idev+0x102/0x170 [ 5289.145604][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.145604][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.145604][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.145604][ T72] netlink_unicast+0x449/0x710 [ 5289.145604][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.145604][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.145604][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.145604][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.145604][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.145604][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.145604][ T72] [ 5289.147499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5289.147499][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5289.147499][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5289.147499][ T72] ipv6_find_idev+0x102/0x170 [ 5289.147499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.147499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.147499][ T72] netlink_rcv_skb+0x130/0x360 [ 5289.147499][ T72] netlink_unicast+0x449/0x710 [ 5289.147499][ T72] netlink_sendmsg+0x723/0xbe0 [ 5289.147499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5289.147499][ T72] ___sys_sendmsg+0xee/0x170 [ 5289.147499][ T72] __sys_sendmsg+0xcd/0x170 [ 5289.147499][ T72] do_syscall_64+0xc6/0x1e0 [ 5289.147499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.147499][ T72] [ 5299.400932][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5299.401460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5299.401460][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5299.401460][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5299.401460][ T72] fib6_nh_init+0xa22/0x1580 [ 5299.401460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.401460][ T72] ip6_route_add+0x1c/0x140 [ 5299.401460][ T72] inet6_rtm_newroute+0x104/0x110 [ 5299.401460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.401460][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.401460][ T72] netlink_unicast+0x449/0x710 [ 5299.401460][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.401460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.401460][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.401460][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.401460][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.401460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.401460][ T72] [ 5299.403426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5299.403426][ T72] dst_init+0x84/0x4a0 [ 5299.403426][ T72] dst_alloc+0x97/0x150 [ 5299.403426][ T72] ip6_dst_alloc+0x23/0x90 [ 5299.403426][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5299.403426][ T72] ip6_pol_route+0x56f/0x840 [ 5299.403426][ T72] fib6_rule_lookup+0x456/0x630 [ 5299.403426][ T72] ip6_route_input+0x59c/0xa50 [ 5299.403426][ T72] ipv6_rcv+0x397/0x810 [ 5299.403426][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5299.403426][ T72] process_backlog+0x101/0x620 [ 5299.403426][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5299.403426][ T72] net_rx_action+0x495/0xbe0 [ 5299.403426][ T72] __do_softirq+0x1b5/0x7f6 [ 5299.403426][ T72] [ 5299.405086][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5299.405086][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.405086][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.405086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.405086][ T72] ip6_route_add+0x1c/0x140 [ 5299.405086][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5299.405086][ T72] inet6_addr_add+0x4f8/0xa40 [ 5299.405086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.405086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.405086][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.405086][ T72] netlink_unicast+0x449/0x710 [ 5299.405086][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.405086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.405086][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.405086][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.405086][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.405086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.405086][ T72] [ 5299.407107][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5299.407107][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.407107][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.407107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.407107][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5299.407107][ T72] ipv6_add_addr+0x411/0x2000 [ 5299.407107][ T72] inet6_addr_add+0x30e/0xa40 [ 5299.407107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.407107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.407107][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.407107][ T72] netlink_unicast+0x449/0x710 [ 5299.407107][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.407107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.407107][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.407107][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.407107][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.407107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.407107][ T72] [ 5299.409121][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5299.409121][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.409121][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.409121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.409121][ T72] ip6_route_add+0x1c/0x140 [ 5299.409121][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5299.409121][ T72] addrconf_add_dev+0xe2/0x170 [ 5299.409121][ T72] inet6_addr_add+0x12f/0xa40 [ 5299.409121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.409121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.409121][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.409121][ T72] netlink_unicast+0x449/0x710 [ 5299.409121][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.409121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.409121][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.409121][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.409121][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.409121][ T72] [ 5299.411109][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5299.411109][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5299.411109][ T72] ipv6_find_idev+0x102/0x170 [ 5299.411109][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.411109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.411109][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.411109][ T72] netlink_unicast+0x449/0x710 [ 5299.411109][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.411109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.411109][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.411109][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.411109][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.411109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.411109][ T72] [ 5299.412660][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5299.412660][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5299.412660][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5299.412660][ T72] ipv6_find_idev+0x102/0x170 [ 5299.412660][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.412660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.412660][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.412660][ T72] netlink_unicast+0x449/0x710 [ 5299.412660][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.412660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.412660][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.412660][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.412660][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.412660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.412660][ T72] [ 5299.414378][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5299.414654][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5299.414654][ T72] dst_init+0x84/0x4a0 [ 5299.414654][ T72] dst_alloc+0x97/0x150 [ 5299.414654][ T72] ip6_dst_alloc+0x23/0x90 [ 5299.414654][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5299.414654][ T72] ip6_pol_route+0x56f/0x840 [ 5299.414654][ T72] fib6_rule_lookup+0x456/0x630 [ 5299.414654][ T72] ip6_route_input+0x59c/0xa50 [ 5299.414654][ T72] ipv6_rcv+0x397/0x810 [ 5299.414654][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5299.414654][ T72] process_backlog+0x101/0x620 [ 5299.414654][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5299.414654][ T72] net_rx_action+0x495/0xbe0 [ 5299.414654][ T72] __do_softirq+0x1b5/0x7f6 [ 5299.414654][ T72] [ 5299.416312][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5299.416312][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.416312][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.416312][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.416312][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5299.416312][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5299.416312][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5299.416312][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5299.416312][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5299.416312][ T72] addrconf_dad_begin+0x310/0x670 [ 5299.416312][ T72] addrconf_dad_work+0x10b/0xab0 [ 5299.416312][ T72] process_one_work+0x84d/0x18a0 [ 5299.416312][ T72] worker_thread+0x587/0xd30 [ 5299.416312][ T72] kthread+0x28a/0x350 [ 5299.416312][ T72] ret_from_fork+0x31/0x70 [ 5299.416312][ T72] ret_from_fork_asm+0x1a/0x30 [ 5299.416312][ T72] [ 5299.418236][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5299.418236][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.418236][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.418236][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.418236][ T72] ip6_route_add+0x1c/0x140 [ 5299.418236][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5299.418236][ T72] inet6_addr_add+0x4f8/0xa40 [ 5299.418236][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.418236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.418236][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.418236][ T72] netlink_unicast+0x449/0x710 [ 5299.418236][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.418236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.418236][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.418236][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.418236][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.418236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.418236][ T72] [ 5299.420277][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5299.420277][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.420277][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.420277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.420277][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5299.420277][ T72] ipv6_add_addr+0x411/0x2000 [ 5299.420277][ T72] inet6_addr_add+0x30e/0xa40 [ 5299.420277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.420277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.420277][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.420277][ T72] netlink_unicast+0x449/0x710 [ 5299.420277][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.420277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.420277][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.420277][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.420277][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.420277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.420277][ T72] [ 5299.422299][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5299.422299][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.422299][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.422299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.422299][ T72] ip6_route_add+0x1c/0x140 [ 5299.422299][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5299.422299][ T72] addrconf_add_dev+0xe2/0x170 [ 5299.422299][ T72] inet6_addr_add+0x12f/0xa40 [ 5299.422299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.422299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.422299][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.422299][ T72] netlink_unicast+0x449/0x710 [ 5299.422299][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.422299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.422299][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.422299][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.422299][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.422299][ T72] [ 5299.424281][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5299.424281][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5299.424281][ T72] ipv6_find_idev+0x102/0x170 [ 5299.424281][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.424281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.424281][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.424281][ T72] netlink_unicast+0x449/0x710 [ 5299.424281][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.424281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.424281][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.424281][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.424281][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.424281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.424281][ T72] [ 5299.425843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5299.425843][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5299.425843][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5299.425843][ T72] ipv6_find_idev+0x102/0x170 [ 5299.425843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.425843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.425843][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.425843][ T72] netlink_unicast+0x449/0x710 [ 5299.425843][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.425843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.425843][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.425843][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.425843][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.425843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.425843][ T72] [ 5299.428182][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5299.428456][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5299.428456][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5299.428456][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5299.428456][ T72] fib6_nh_init+0xa22/0x1580 [ 5299.428456][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.428456][ T72] ip6_route_add+0x1c/0x140 [ 5299.428456][ T72] inet6_rtm_newroute+0x104/0x110 [ 5299.428456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.428456][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.428456][ T72] netlink_unicast+0x449/0x710 [ 5299.428456][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.428456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.428456][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.428456][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.428456][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.428456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.428456][ T72] [ 5299.430557][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5299.430557][ T72] dst_init+0x84/0x4a0 [ 5299.430557][ T72] dst_alloc+0x97/0x150 [ 5299.430557][ T72] ip6_dst_alloc+0x23/0x90 [ 5299.430557][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5299.430557][ T72] ip6_pol_route+0x56f/0x840 [ 5299.430557][ T72] fib6_rule_lookup+0x456/0x630 [ 5299.430557][ T72] ip6_route_input+0x59c/0xa50 [ 5299.430557][ T72] ipv6_rcv+0x397/0x810 [ 5299.430557][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5299.430557][ T72] process_backlog+0x101/0x620 [ 5299.430557][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5299.430557][ T72] net_rx_action+0x495/0xbe0 [ 5299.430557][ T72] __do_softirq+0x1b5/0x7f6 [ 5299.430557][ T72] [ 5299.432275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5299.432275][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.432275][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.432275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.432275][ T72] ip6_route_add+0x1c/0x140 [ 5299.432275][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5299.432275][ T72] inet6_addr_add+0x4f8/0xa40 [ 5299.432275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.432275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.432275][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.432275][ T72] netlink_unicast+0x449/0x710 [ 5299.432275][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.432275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.432275][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.432275][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.432275][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.432275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.432275][ T72] [ 5299.434436][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5299.434436][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.434436][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.434436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.434436][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5299.434436][ T72] ipv6_add_addr+0x411/0x2000 [ 5299.434436][ T72] inet6_addr_add+0x30e/0xa40 [ 5299.434436][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.434436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.434436][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.434436][ T72] netlink_unicast+0x449/0x710 [ 5299.434436][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.434436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.434436][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.434436][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.434436][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.434436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.434436][ T72] [ 5299.436594][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5299.436594][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.436594][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.436594][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.436594][ T72] ip6_route_add+0x1c/0x140 [ 5299.436594][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5299.436594][ T72] addrconf_add_dev+0xe2/0x170 [ 5299.436594][ T72] inet6_addr_add+0x12f/0xa40 [ 5299.436594][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.436594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.436594][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.436594][ T72] netlink_unicast+0x449/0x710 [ 5299.436594][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.436594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.436594][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.436594][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.436594][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.436594][ T72] [ 5299.438718][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5299.438718][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5299.438718][ T72] ipv6_find_idev+0x102/0x170 [ 5299.438718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.438718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.438718][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.438718][ T72] netlink_unicast+0x449/0x710 [ 5299.438718][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.438718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.438718][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.438718][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.438718][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.438718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.438718][ T72] [ 5299.440372][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5299.440372][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5299.440372][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5299.440372][ T72] ipv6_find_idev+0x102/0x170 [ 5299.440372][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.440372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.440372][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.440372][ T72] netlink_unicast+0x449/0x710 [ 5299.440372][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.440372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.440372][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.440372][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.440372][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.440372][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.440372][ T72] [ 5299.442209][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5299.442484][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5299.442484][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.442484][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.442484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.442484][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5299.442484][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5299.442484][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5299.442484][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5299.442484][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5299.442484][ T72] addrconf_dad_begin+0x310/0x670 [ 5299.442484][ T72] addrconf_dad_work+0x10b/0xab0 [ 5299.442484][ T72] process_one_work+0x84d/0x18a0 [ 5299.442484][ T72] worker_thread+0x587/0xd30 [ 5299.442484][ T72] kthread+0x28a/0x350 [ 5299.442484][ T72] ret_from_fork+0x31/0x70 [ 5299.442484][ T72] ret_from_fork_asm+0x1a/0x30 [ 5299.442484][ T72] [ 5299.444554][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5299.444554][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.444554][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.444554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.444554][ T72] ip6_route_add+0x1c/0x140 [ 5299.444554][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5299.444554][ T72] inet6_addr_add+0x4f8/0xa40 [ 5299.444554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.444554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.444554][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.444554][ T72] netlink_unicast+0x449/0x710 [ 5299.444554][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.444554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.444554][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.444554][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.444554][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.444554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.444554][ T72] [ 5299.447380][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5299.447380][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.447380][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.447380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.447380][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5299.447380][ T72] ipv6_add_addr+0x411/0x2000 [ 5299.447380][ T72] inet6_addr_add+0x30e/0xa40 [ 5299.447380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.447380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.447380][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.447380][ T72] netlink_unicast+0x449/0x710 [ 5299.447380][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.447380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.447380][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.447380][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.447380][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.447380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.447380][ T72] [ 5299.449542][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5299.449542][ T72] netdev_get_by_index+0x5e/0x80 [ 5299.449542][ T72] fib6_nh_init+0x3d8/0x1580 [ 5299.449542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5299.449542][ T72] ip6_route_add+0x1c/0x140 [ 5299.449542][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5299.449542][ T72] addrconf_add_dev+0xe2/0x170 [ 5299.449542][ T72] inet6_addr_add+0x12f/0xa40 [ 5299.449542][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.449542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.449542][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.449542][ T72] netlink_unicast+0x449/0x710 [ 5299.449542][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.449542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.449542][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.449542][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.449542][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.449542][ T72] [ 5299.451657][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5299.451657][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5299.451657][ T72] ipv6_find_idev+0x102/0x170 [ 5299.451657][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.451657][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.451657][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.451657][ T72] netlink_unicast+0x449/0x710 [ 5299.451657][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.451657][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.451657][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.451657][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.451657][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.451657][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.451657][ T72] [ 5299.453281][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5299.453281][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5299.453281][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5299.453281][ T72] ipv6_find_idev+0x102/0x170 [ 5299.453281][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.453281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.453281][ T72] netlink_rcv_skb+0x130/0x360 [ 5299.453281][ T72] netlink_unicast+0x449/0x710 [ 5299.453281][ T72] netlink_sendmsg+0x723/0xbe0 [ 5299.453281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5299.453281][ T72] ___sys_sendmsg+0xee/0x170 [ 5299.453281][ T72] __sys_sendmsg+0xcd/0x170 [ 5299.453281][ T72] do_syscall_64+0xc6/0x1e0 [ 5299.453281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.453281][ T72] [ 5309.704999][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5309.705590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5309.705590][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5309.705590][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5309.705590][ T72] fib6_nh_init+0xa22/0x1580 [ 5309.705590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.705590][ T72] ip6_route_add+0x1c/0x140 [ 5309.705590][ T72] inet6_rtm_newroute+0x104/0x110 [ 5309.705590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.705590][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.705590][ T72] netlink_unicast+0x449/0x710 [ 5309.705590][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.705590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.705590][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.705590][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.705590][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.705590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.705590][ T72] [ 5309.707808][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5309.707808][ T72] dst_init+0x84/0x4a0 [ 5309.707808][ T72] dst_alloc+0x97/0x150 [ 5309.707808][ T72] ip6_dst_alloc+0x23/0x90 [ 5309.707808][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5309.707808][ T72] ip6_pol_route+0x56f/0x840 [ 5309.707808][ T72] fib6_rule_lookup+0x456/0x630 [ 5309.707808][ T72] ip6_route_input+0x59c/0xa50 [ 5309.707808][ T72] ipv6_rcv+0x397/0x810 [ 5309.707808][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5309.707808][ T72] process_backlog+0x101/0x620 [ 5309.707808][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5309.707808][ T72] net_rx_action+0x495/0xbe0 [ 5309.707808][ T72] __do_softirq+0x1b5/0x7f6 [ 5309.707808][ T72] [ 5309.709650][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5309.709650][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.709650][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.709650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.709650][ T72] ip6_route_add+0x1c/0x140 [ 5309.709650][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5309.709650][ T72] inet6_addr_add+0x4f8/0xa40 [ 5309.709650][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.709650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.709650][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.709650][ T72] netlink_unicast+0x449/0x710 [ 5309.709650][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.709650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.709650][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.709650][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.709650][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.709650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.709650][ T72] [ 5309.711916][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5309.711916][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.711916][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.711916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.711916][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5309.711916][ T72] ipv6_add_addr+0x411/0x2000 [ 5309.711916][ T72] inet6_addr_add+0x30e/0xa40 [ 5309.711916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.711916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.711916][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.711916][ T72] netlink_unicast+0x449/0x710 [ 5309.711916][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.711916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.711916][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.711916][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.711916][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.711916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.711916][ T72] [ 5309.714182][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5309.714182][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.714182][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.714182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.714182][ T72] ip6_route_add+0x1c/0x140 [ 5309.714182][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5309.714182][ T72] addrconf_add_dev+0xe2/0x170 [ 5309.714182][ T72] inet6_addr_add+0x12f/0xa40 [ 5309.714182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.714182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.714182][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.714182][ T72] netlink_unicast+0x449/0x710 [ 5309.714182][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.714182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.714182][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.714182][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.714182][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.714182][ T72] [ 5309.716422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5309.716422][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5309.716422][ T72] ipv6_find_idev+0x102/0x170 [ 5309.716422][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.716422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.716422][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.716422][ T72] netlink_unicast+0x449/0x710 [ 5309.716422][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.716422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.716422][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.716422][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.716422][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.716422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.716422][ T72] [ 5309.718162][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5309.718162][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5309.718162][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5309.718162][ T72] ipv6_find_idev+0x102/0x170 [ 5309.718162][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.718162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.718162][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.718162][ T72] netlink_unicast+0x449/0x710 [ 5309.718162][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.718162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.718162][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.718162][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.718162][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.718162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.718162][ T72] [ 5309.720054][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5309.720349][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5309.720349][ T72] dst_init+0x84/0x4a0 [ 5309.720349][ T72] dst_alloc+0x97/0x150 [ 5309.720349][ T72] ip6_dst_alloc+0x23/0x90 [ 5309.720349][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5309.720349][ T72] ip6_pol_route+0x56f/0x840 [ 5309.720349][ T72] fib6_rule_lookup+0x456/0x630 [ 5309.720349][ T72] ip6_route_input+0x59c/0xa50 [ 5309.720349][ T72] ipv6_rcv+0x397/0x810 [ 5309.720349][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5309.720349][ T72] process_backlog+0x101/0x620 [ 5309.720349][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5309.720349][ T72] net_rx_action+0x495/0xbe0 [ 5309.720349][ T72] __do_softirq+0x1b5/0x7f6 [ 5309.720349][ T72] [ 5309.722166][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5309.722166][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.722166][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.722166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.722166][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5309.722166][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5309.722166][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5309.722166][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5309.722166][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5309.722166][ T72] addrconf_dad_begin+0x310/0x670 [ 5309.722166][ T72] addrconf_dad_work+0x10b/0xab0 [ 5309.722166][ T72] process_one_work+0x84d/0x18a0 [ 5309.722166][ T72] worker_thread+0x587/0xd30 [ 5309.722166][ T72] kthread+0x28a/0x350 [ 5309.722166][ T72] ret_from_fork+0x31/0x70 [ 5309.722166][ T72] ret_from_fork_asm+0x1a/0x30 [ 5309.722166][ T72] [ 5309.724329][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5309.724329][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.724329][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.724329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.724329][ T72] ip6_route_add+0x1c/0x140 [ 5309.724329][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5309.724329][ T72] inet6_addr_add+0x4f8/0xa40 [ 5309.724329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.724329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.724329][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.724329][ T72] netlink_unicast+0x449/0x710 [ 5309.724329][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.724329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.724329][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.724329][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.724329][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.724329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.724329][ T72] [ 5309.726563][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5309.726563][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.726563][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.726563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.726563][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5309.726563][ T72] ipv6_add_addr+0x411/0x2000 [ 5309.726563][ T72] inet6_addr_add+0x30e/0xa40 [ 5309.726563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.726563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.726563][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.726563][ T72] netlink_unicast+0x449/0x710 [ 5309.726563][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.726563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.726563][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.726563][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.726563][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.726563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.726563][ T72] [ 5309.728796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5309.728796][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.728796][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.728796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.728796][ T72] ip6_route_add+0x1c/0x140 [ 5309.728796][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5309.728796][ T72] addrconf_add_dev+0xe2/0x170 [ 5309.728796][ T72] inet6_addr_add+0x12f/0xa40 [ 5309.728796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.728796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.728796][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.728796][ T72] netlink_unicast+0x449/0x710 [ 5309.728796][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.728796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.728796][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.728796][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.728796][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.728796][ T72] [ 5309.730989][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5309.730989][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5309.730989][ T72] ipv6_find_idev+0x102/0x170 [ 5309.730989][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.730989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.730989][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.730989][ T72] netlink_unicast+0x449/0x710 [ 5309.730989][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.730989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.730989][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.730989][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.730989][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.730989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.730989][ T72] [ 5309.732702][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5309.732702][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5309.732702][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5309.732702][ T72] ipv6_find_idev+0x102/0x170 [ 5309.732702][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.732702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.732702][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.732702][ T72] netlink_unicast+0x449/0x710 [ 5309.732702][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.732702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.732702][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.732702][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.732702][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.732702][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.732702][ T72] [ 5309.734753][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5309.735055][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5309.735055][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5309.735055][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5309.735055][ T72] fib6_nh_init+0xa22/0x1580 [ 5309.735055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.735055][ T72] ip6_route_add+0x1c/0x140 [ 5309.735055][ T72] inet6_rtm_newroute+0x104/0x110 [ 5309.735055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.735055][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.735055][ T72] netlink_unicast+0x449/0x710 [ 5309.735055][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.735055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.735055][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.735055][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.735055][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.735055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.735055][ T72] [ 5309.737350][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5309.737350][ T72] dst_init+0x84/0x4a0 [ 5309.737350][ T72] dst_alloc+0x97/0x150 [ 5309.737350][ T72] ip6_dst_alloc+0x23/0x90 [ 5309.737350][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5309.737350][ T72] ip6_pol_route+0x56f/0x840 [ 5309.737350][ T72] fib6_rule_lookup+0x456/0x630 [ 5309.737350][ T72] ip6_route_input+0x59c/0xa50 [ 5309.737350][ T72] ipv6_rcv+0x397/0x810 [ 5309.737350][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5309.737350][ T72] process_backlog+0x101/0x620 [ 5309.737350][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5309.737350][ T72] net_rx_action+0x495/0xbe0 [ 5309.737350][ T72] __do_softirq+0x1b5/0x7f6 [ 5309.737350][ T72] [ 5309.739336][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5309.739336][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.739336][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.739336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.739336][ T72] ip6_route_add+0x1c/0x140 [ 5309.739336][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5309.739336][ T72] inet6_addr_add+0x4f8/0xa40 [ 5309.739336][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.739336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.739336][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.739336][ T72] netlink_unicast+0x449/0x710 [ 5309.739336][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.739336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.739336][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.739336][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.739336][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.739336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.739336][ T72] [ 5309.741863][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5309.741863][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.741863][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.741863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.741863][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5309.741863][ T72] ipv6_add_addr+0x411/0x2000 [ 5309.741863][ T72] inet6_addr_add+0x30e/0xa40 [ 5309.741863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.741863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.741863][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.741863][ T72] netlink_unicast+0x449/0x710 [ 5309.741863][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.741863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.741863][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.741863][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.741863][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.741863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.741863][ T72] [ 5309.744295][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5309.744295][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.744295][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.744295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.744295][ T72] ip6_route_add+0x1c/0x140 [ 5309.744295][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5309.744295][ T72] addrconf_add_dev+0xe2/0x170 [ 5309.744295][ T72] inet6_addr_add+0x12f/0xa40 [ 5309.744295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.744295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.744295][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.744295][ T72] netlink_unicast+0x449/0x710 [ 5309.744295][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.744295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.744295][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.744295][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.744295][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.744295][ T72] [ 5309.746773][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5309.746773][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5309.746773][ T72] ipv6_find_idev+0x102/0x170 [ 5309.746773][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.746773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.746773][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.746773][ T72] netlink_unicast+0x449/0x710 [ 5309.746773][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.746773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.746773][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.746773][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.746773][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.746773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.746773][ T72] [ 5309.748693][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5309.748693][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5309.748693][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5309.748693][ T72] ipv6_find_idev+0x102/0x170 [ 5309.748693][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.748693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.748693][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.748693][ T72] netlink_unicast+0x449/0x710 [ 5309.748693][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.748693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.748693][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.748693][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.748693][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.748693][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.748693][ T72] [ 5309.750770][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5309.751592][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5309.751592][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.751592][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.751592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.751592][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5309.751592][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5309.751592][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5309.751592][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5309.751592][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5309.751592][ T72] addrconf_dad_begin+0x310/0x670 [ 5309.751592][ T72] addrconf_dad_work+0x10b/0xab0 [ 5309.751592][ T72] process_one_work+0x84d/0x18a0 [ 5309.751592][ T72] worker_thread+0x587/0xd30 [ 5309.751592][ T72] kthread+0x28a/0x350 [ 5309.751592][ T72] ret_from_fork+0x31/0x70 [ 5309.751592][ T72] ret_from_fork_asm+0x1a/0x30 [ 5309.751592][ T72] [ 5309.753749][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5309.753749][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.753749][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.753749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.753749][ T72] ip6_route_add+0x1c/0x140 [ 5309.753749][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5309.753749][ T72] inet6_addr_add+0x4f8/0xa40 [ 5309.753749][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.753749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.753749][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.753749][ T72] netlink_unicast+0x449/0x710 [ 5309.753749][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.753749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.753749][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.753749][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.753749][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.753749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.753749][ T72] [ 5309.755990][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5309.755990][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.755990][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.755990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.755990][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5309.755990][ T72] ipv6_add_addr+0x411/0x2000 [ 5309.755990][ T72] inet6_addr_add+0x30e/0xa40 [ 5309.755990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.755990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.755990][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.755990][ T72] netlink_unicast+0x449/0x710 [ 5309.755990][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.755990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.755990][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.755990][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.755990][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.755990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.755990][ T72] [ 5309.758474][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5309.758474][ T72] netdev_get_by_index+0x5e/0x80 [ 5309.758474][ T72] fib6_nh_init+0x3d8/0x1580 [ 5309.758474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5309.758474][ T72] ip6_route_add+0x1c/0x140 [ 5309.758474][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5309.758474][ T72] addrconf_add_dev+0xe2/0x170 [ 5309.758474][ T72] inet6_addr_add+0x12f/0xa40 [ 5309.758474][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.758474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.758474][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.758474][ T72] netlink_unicast+0x449/0x710 [ 5309.758474][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.758474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.758474][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.758474][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.758474][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.758474][ T72] [ 5309.760944][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5309.760944][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5309.760944][ T72] ipv6_find_idev+0x102/0x170 [ 5309.760944][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.760944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.760944][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.760944][ T72] netlink_unicast+0x449/0x710 [ 5309.760944][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.760944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.760944][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.760944][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.760944][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.760944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.760944][ T72] [ 5309.762808][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5309.762808][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5309.762808][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5309.762808][ T72] ipv6_find_idev+0x102/0x170 [ 5309.762808][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.762808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.762808][ T72] netlink_rcv_skb+0x130/0x360 [ 5309.762808][ T72] netlink_unicast+0x449/0x710 [ 5309.762808][ T72] netlink_sendmsg+0x723/0xbe0 [ 5309.762808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5309.762808][ T72] ___sys_sendmsg+0xee/0x170 [ 5309.762808][ T72] __sys_sendmsg+0xcd/0x170 [ 5309.762808][ T72] do_syscall_64+0xc6/0x1e0 [ 5309.762808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.762808][ T72] [ 5320.000927][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5320.001573][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5320.001573][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5320.001573][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5320.001573][ T72] fib6_nh_init+0xa22/0x1580 [ 5320.001573][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.001573][ T72] ip6_route_add+0x1c/0x140 [ 5320.001573][ T72] inet6_rtm_newroute+0x104/0x110 [ 5320.001573][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.001573][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.001573][ T72] netlink_unicast+0x449/0x710 [ 5320.001573][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.001573][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.001573][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.001573][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.001573][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.001573][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.001573][ T72] [ 5320.003701][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5320.003701][ T72] dst_init+0x84/0x4a0 [ 5320.003701][ T72] dst_alloc+0x97/0x150 [ 5320.003701][ T72] ip6_dst_alloc+0x23/0x90 [ 5320.003701][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5320.003701][ T72] ip6_pol_route+0x56f/0x840 [ 5320.003701][ T72] fib6_rule_lookup+0x456/0x630 [ 5320.003701][ T72] ip6_route_input+0x59c/0xa50 [ 5320.003701][ T72] ipv6_rcv+0x397/0x810 [ 5320.003701][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5320.003701][ T72] process_backlog+0x101/0x620 [ 5320.003701][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5320.003701][ T72] net_rx_action+0x495/0xbe0 [ 5320.003701][ T72] __do_softirq+0x1b5/0x7f6 [ 5320.003701][ T72] [ 5320.005556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5320.005556][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.005556][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.005556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.005556][ T72] ip6_route_add+0x1c/0x140 [ 5320.005556][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5320.005556][ T72] inet6_addr_add+0x4f8/0xa40 [ 5320.005556][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.005556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.005556][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.005556][ T72] netlink_unicast+0x449/0x710 [ 5320.005556][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.005556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.005556][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.005556][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.005556][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.005556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.005556][ T72] [ 5320.007836][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5320.007836][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.007836][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.007836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.007836][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5320.007836][ T72] ipv6_add_addr+0x411/0x2000 [ 5320.007836][ T72] inet6_addr_add+0x30e/0xa40 [ 5320.007836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.007836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.007836][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.007836][ T72] netlink_unicast+0x449/0x710 [ 5320.007836][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.007836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.007836][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.007836][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.007836][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.007836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.007836][ T72] [ 5320.010070][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5320.010070][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.010070][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.010070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.010070][ T72] ip6_route_add+0x1c/0x140 [ 5320.010070][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5320.010070][ T72] addrconf_add_dev+0xe2/0x170 [ 5320.010070][ T72] inet6_addr_add+0x12f/0xa40 [ 5320.010070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.010070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.010070][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.010070][ T72] netlink_unicast+0x449/0x710 [ 5320.010070][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.010070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.010070][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.010070][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.010070][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.010070][ T72] [ 5320.012331][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5320.012331][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5320.012331][ T72] ipv6_find_idev+0x102/0x170 [ 5320.012331][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5320.012331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.012331][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.012331][ T72] netlink_unicast+0x449/0x710 [ 5320.012331][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.012331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.012331][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.012331][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.012331][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.012331][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.012331][ T72] [ 5320.014083][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5320.014083][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5320.014083][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5320.014083][ T72] ipv6_find_idev+0x102/0x170 [ 5320.014083][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5320.014083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.014083][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.014083][ T72] netlink_unicast+0x449/0x710 [ 5320.014083][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.014083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.014083][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.014083][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.014083][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.014083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.014083][ T72] [ 5320.015992][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5320.016288][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5320.016288][ T72] dst_init+0x84/0x4a0 [ 5320.016288][ T72] dst_alloc+0x97/0x150 [ 5320.016288][ T72] ip6_dst_alloc+0x23/0x90 [ 5320.016288][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5320.016288][ T72] ip6_pol_route+0x56f/0x840 [ 5320.016288][ T72] fib6_rule_lookup+0x456/0x630 [ 5320.016288][ T72] ip6_route_input+0x59c/0xa50 [ 5320.016288][ T72] ipv6_rcv+0x397/0x810 [ 5320.016288][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5320.016288][ T72] process_backlog+0x101/0x620 [ 5320.016288][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5320.016288][ T72] net_rx_action+0x495/0xbe0 [ 5320.016288][ T72] __do_softirq+0x1b5/0x7f6 [ 5320.016288][ T72] [ 5320.018142][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5320.018142][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.018142][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.018142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.018142][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5320.018142][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5320.018142][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5320.018142][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5320.018142][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5320.018142][ T72] addrconf_dad_begin+0x310/0x670 [ 5320.018142][ T72] addrconf_dad_work+0x10b/0xab0 [ 5320.018142][ T72] process_one_work+0x84d/0x18a0 [ 5320.018142][ T72] worker_thread+0x587/0xd30 [ 5320.018142][ T72] kthread+0x28a/0x350 [ 5320.018142][ T72] ret_from_fork+0x31/0x70 [ 5320.018142][ T72] ret_from_fork_asm+0x1a/0x30 [ 5320.018142][ T72] [ 5320.020332][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5320.020332][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.020332][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.020332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.020332][ T72] ip6_route_add+0x1c/0x140 [ 5320.020332][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5320.020332][ T72] inet6_addr_add+0x4f8/0xa40 [ 5320.020332][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.020332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.020332][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.020332][ T72] netlink_unicast+0x449/0x710 [ 5320.020332][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.020332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.020332][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.020332][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.020332][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.020332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.020332][ T72] [ 5320.022592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5320.022592][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.022592][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.022592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.022592][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5320.022592][ T72] ipv6_add_addr+0x411/0x2000 [ 5320.022592][ T72] inet6_addr_add+0x30e/0xa40 [ 5320.022592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.022592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.022592][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.022592][ T72] netlink_unicast+0x449/0x710 [ 5320.022592][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.022592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.022592][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.022592][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.022592][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.022592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.022592][ T72] [ 5320.024856][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5320.024856][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.024856][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.024856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.024856][ T72] ip6_route_add+0x1c/0x140 [ 5320.024856][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5320.024856][ T72] addrconf_add_dev+0xe2/0x170 [ 5320.024856][ T72] inet6_addr_add+0x12f/0xa40 [ 5320.024856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.024856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.024856][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.024856][ T72] netlink_unicast+0x449/0x710 [ 5320.024856][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.024856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.024856][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.024856][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.024856][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.024856][ T72] [ 5320.027081][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5320.027081][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5320.027081][ T72] ipv6_find_idev+0x102/0x170 [ 5320.027081][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5320.027081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.027081][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.027081][ T72] netlink_unicast+0x449/0x710 [ 5320.027081][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.027081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.027081][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.027081][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.027081][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.027081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.027081][ T72] [ 5320.028827][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5320.028827][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5320.028827][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5320.028827][ T72] ipv6_find_idev+0x102/0x170 [ 5320.028827][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5320.028827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.028827][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.028827][ T72] netlink_unicast+0x449/0x710 [ 5320.028827][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.028827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.028827][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.028827][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.028827][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.028827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.028827][ T72] [ 5320.030870][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5320.031165][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5320.031165][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5320.031165][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5320.031165][ T72] fib6_nh_init+0xa22/0x1580 [ 5320.031165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.031165][ T72] ip6_route_add+0x1c/0x140 [ 5320.031165][ T72] inet6_rtm_newroute+0x104/0x110 [ 5320.031165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.031165][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.031165][ T72] netlink_unicast+0x449/0x710 [ 5320.031165][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.031165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.031165][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.031165][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.031165][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.031165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.031165][ T72] [ 5320.033636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5320.033636][ T72] dst_init+0x84/0x4a0 [ 5320.033636][ T72] dst_alloc+0x97/0x150 [ 5320.033636][ T72] ip6_dst_alloc+0x23/0x90 [ 5320.033636][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5320.033636][ T72] ip6_pol_route+0x56f/0x840 [ 5320.033636][ T72] fib6_rule_lookup+0x456/0x630 [ 5320.033636][ T72] ip6_route_input+0x59c/0xa50 [ 5320.033636][ T72] ipv6_rcv+0x397/0x810 [ 5320.033636][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5320.033636][ T72] process_backlog+0x101/0x620 [ 5320.033636][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5320.033636][ T72] net_rx_action+0x495/0xbe0 [ 5320.033636][ T72] __do_softirq+0x1b5/0x7f6 [ 5320.033636][ T72] [ 5320.035667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5320.035667][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.035667][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.035667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.035667][ T72] ip6_route_add+0x1c/0x140 [ 5320.035667][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5320.035667][ T72] inet6_addr_add+0x4f8/0xa40 [ 5320.035667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.035667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.035667][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.035667][ T72] netlink_unicast+0x449/0x710 [ 5320.035667][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.035667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.035667][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.035667][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.035667][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.035667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.035667][ T72] [ 5320.038187][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5320.038187][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.038187][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.038187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.038187][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5320.038187][ T72] ipv6_add_addr+0x411/0x2000 [ 5320.038187][ T72] inet6_addr_add+0x30e/0xa40 [ 5320.038187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.038187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.038187][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.038187][ T72] netlink_unicast+0x449/0x710 [ 5320.038187][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.038187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.038187][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.038187][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.038187][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.038187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.038187][ T72] [ 5320.040655][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5320.040655][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.040655][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.040655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.040655][ T72] ip6_route_add+0x1c/0x140 [ 5320.040655][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5320.040655][ T72] addrconf_add_dev+0xe2/0x170 [ 5320.040655][ T72] inet6_addr_add+0x12f/0xa40 [ 5320.040655][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.040655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.040655][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.040655][ T72] netlink_unicast+0x449/0x710 [ 5320.040655][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.040655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.040655][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.040655][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.040655][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.040655][ T72] [ 5320.043212][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5320.043212][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5320.043212][ T72] ipv6_find_idev+0x102/0x170 [ 5320.043212][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5320.043212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.043212][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.043212][ T72] netlink_unicast+0x449/0x710 [ 5320.043212][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.043212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.043212][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.043212][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.043212][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.043212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.043212][ T72] [ 5320.045146][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5320.045146][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5320.045146][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5320.045146][ T72] ipv6_find_idev+0x102/0x170 [ 5320.045146][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5320.045146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.045146][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.045146][ T72] netlink_unicast+0x449/0x710 [ 5320.045146][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.045146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.045146][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.045146][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.045146][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.045146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.045146][ T72] [ 5320.047237][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5320.047611][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5320.047611][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.047611][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.047611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.047611][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5320.047611][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5320.047611][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5320.047611][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5320.047611][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5320.047611][ T72] addrconf_dad_begin+0x310/0x670 [ 5320.047611][ T72] addrconf_dad_work+0x10b/0xab0 [ 5320.047611][ T72] process_one_work+0x84d/0x18a0 [ 5320.047611][ T72] worker_thread+0x587/0xd30 [ 5320.047611][ T72] kthread+0x28a/0x350 [ 5320.047611][ T72] ret_from_fork+0x31/0x70 [ 5320.047611][ T72] ret_from_fork_asm+0x1a/0x30 [ 5320.047611][ T72] [ 5320.049861][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5320.049861][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.049861][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.049861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.049861][ T72] ip6_route_add+0x1c/0x140 [ 5320.049861][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5320.049861][ T72] inet6_addr_add+0x4f8/0xa40 [ 5320.049861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.049861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.049861][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.049861][ T72] netlink_unicast+0x449/0x710 [ 5320.049861][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.049861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.049861][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.049861][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.049861][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.049861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.049861][ T72] [ 5320.052356][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5320.052356][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.052356][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.052356][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.052356][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5320.052356][ T72] ipv6_add_addr+0x411/0x2000 [ 5320.052356][ T72] inet6_addr_add+0x30e/0xa40 [ 5320.052356][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.052356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.052356][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.052356][ T72] netlink_unicast+0x449/0x710 [ 5320.052356][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.052356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.052356][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.052356][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.052356][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.052356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.052356][ T72] [ 5320.054944][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5320.054944][ T72] netdev_get_by_index+0x5e/0x80 [ 5320.054944][ T72] fib6_nh_init+0x3d8/0x1580 [ 5320.054944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5320.054944][ T72] ip6_route_add+0x1c/0x140 [ 5320.054944][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5320.054944][ T72] addrconf_add_dev+0xe2/0x170 [ 5320.054944][ T72] inet6_addr_add+0x12f/0xa40 [ 5320.054944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5320.054944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.054944][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.054944][ T72] netlink_unicast+0x449/0x710 [ 5320.054944][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.054944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.054944][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.054944][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.054944][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.054944][ T72] [ 5320.057418][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5320.057418][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5320.057418][ T72] ipv6_find_idev+0x102/0x170 [ 5320.057418][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5320.057418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.057418][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.057418][ T72] netlink_unicast+0x449/0x710 [ 5320.057418][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.057418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.057418][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.057418][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.057418][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.057418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.057418][ T72] [ 5320.059355][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5320.059355][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5320.059355][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5320.059355][ T72] ipv6_find_idev+0x102/0x170 [ 5320.059355][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5320.059355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5320.059355][ T72] netlink_rcv_skb+0x130/0x360 [ 5320.059355][ T72] netlink_unicast+0x449/0x710 [ 5320.059355][ T72] netlink_sendmsg+0x723/0xbe0 [ 5320.059355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5320.059355][ T72] ___sys_sendmsg+0xee/0x170 [ 5320.059355][ T72] __sys_sendmsg+0xcd/0x170 [ 5320.059355][ T72] do_syscall_64+0xc6/0x1e0 [ 5320.059355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5320.059355][ T72] [ 5330.304866][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5330.305400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5330.305400][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5330.305400][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5330.305400][ T72] fib6_nh_init+0xa22/0x1580 [ 5330.305400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.305400][ T72] ip6_route_add+0x1c/0x140 [ 5330.305400][ T72] inet6_rtm_newroute+0x104/0x110 [ 5330.305400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.305400][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.305400][ T72] netlink_unicast+0x449/0x710 [ 5330.305400][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.305400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.305400][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.305400][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.305400][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.305400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.305400][ T72] [ 5330.307562][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5330.307562][ T72] dst_init+0x84/0x4a0 [ 5330.307562][ T72] dst_alloc+0x97/0x150 [ 5330.307562][ T72] ip6_dst_alloc+0x23/0x90 [ 5330.307562][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5330.307562][ T72] ip6_pol_route+0x56f/0x840 [ 5330.307562][ T72] fib6_rule_lookup+0x456/0x630 [ 5330.307562][ T72] ip6_route_input+0x59c/0xa50 [ 5330.307562][ T72] ipv6_rcv+0x397/0x810 [ 5330.307562][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5330.307562][ T72] process_backlog+0x101/0x620 [ 5330.307562][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5330.307562][ T72] net_rx_action+0x495/0xbe0 [ 5330.307562][ T72] __do_softirq+0x1b5/0x7f6 [ 5330.307562][ T72] [ 5330.309983][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5330.309983][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.309983][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.309983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.309983][ T72] ip6_route_add+0x1c/0x140 [ 5330.309983][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5330.309983][ T72] inet6_addr_add+0x4f8/0xa40 [ 5330.309983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.309983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.309983][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.309983][ T72] netlink_unicast+0x449/0x710 [ 5330.309983][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.309983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.309983][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.309983][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.309983][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.309983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.309983][ T72] [ 5330.312387][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5330.312387][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.312387][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.312387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.312387][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5330.312387][ T72] ipv6_add_addr+0x411/0x2000 [ 5330.312387][ T72] inet6_addr_add+0x30e/0xa40 [ 5330.312387][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.312387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.312387][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.312387][ T72] netlink_unicast+0x449/0x710 [ 5330.312387][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.312387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.312387][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.312387][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.312387][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.312387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.312387][ T72] [ 5330.314679][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5330.314679][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.314679][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.314679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.314679][ T72] ip6_route_add+0x1c/0x140 [ 5330.314679][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5330.314679][ T72] addrconf_add_dev+0xe2/0x170 [ 5330.314679][ T72] inet6_addr_add+0x12f/0xa40 [ 5330.314679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.314679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.314679][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.314679][ T72] netlink_unicast+0x449/0x710 [ 5330.314679][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.314679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.314679][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.314679][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.314679][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.314679][ T72] [ 5330.316893][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5330.316893][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5330.316893][ T72] ipv6_find_idev+0x102/0x170 [ 5330.316893][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5330.316893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.316893][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.316893][ T72] netlink_unicast+0x449/0x710 [ 5330.316893][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.316893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.316893][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.316893][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.316893][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.316893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.316893][ T72] [ 5330.318627][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5330.318627][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5330.318627][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5330.318627][ T72] ipv6_find_idev+0x102/0x170 [ 5330.318627][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5330.318627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.318627][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.318627][ T72] netlink_unicast+0x449/0x710 [ 5330.318627][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.318627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.318627][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.318627][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.318627][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.318627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.318627][ T72] [ 5330.320543][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5330.320862][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5330.320862][ T72] dst_init+0x84/0x4a0 [ 5330.320862][ T72] dst_alloc+0x97/0x150 [ 5330.320862][ T72] ip6_dst_alloc+0x23/0x90 [ 5330.320862][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5330.320862][ T72] ip6_pol_route+0x56f/0x840 [ 5330.320862][ T72] fib6_rule_lookup+0x456/0x630 [ 5330.320862][ T72] ip6_route_input+0x59c/0xa50 [ 5330.320862][ T72] ipv6_rcv+0x397/0x810 [ 5330.320862][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5330.320862][ T72] process_backlog+0x101/0x620 [ 5330.320862][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5330.320862][ T72] net_rx_action+0x495/0xbe0 [ 5330.320862][ T72] __do_softirq+0x1b5/0x7f6 [ 5330.320862][ T72] [ 5330.322716][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5330.322716][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.322716][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.322716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.322716][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5330.322716][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5330.322716][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5330.322716][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5330.322716][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5330.322716][ T72] addrconf_dad_begin+0x310/0x670 [ 5330.322716][ T72] addrconf_dad_work+0x10b/0xab0 [ 5330.322716][ T72] process_one_work+0x84d/0x18a0 [ 5330.322716][ T72] worker_thread+0x587/0xd30 [ 5330.322716][ T72] kthread+0x28a/0x350 [ 5330.322716][ T72] ret_from_fork+0x31/0x70 [ 5330.322716][ T72] ret_from_fork_asm+0x1a/0x30 [ 5330.322716][ T72] [ 5330.324879][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5330.324879][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.324879][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.324879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.324879][ T72] ip6_route_add+0x1c/0x140 [ 5330.324879][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5330.324879][ T72] inet6_addr_add+0x4f8/0xa40 [ 5330.324879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.324879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.324879][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.324879][ T72] netlink_unicast+0x449/0x710 [ 5330.324879][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.324879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.324879][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.324879][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.324879][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.324879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.324879][ T72] [ 5330.327131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5330.327131][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.327131][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.327131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.327131][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5330.327131][ T72] ipv6_add_addr+0x411/0x2000 [ 5330.327131][ T72] inet6_addr_add+0x30e/0xa40 [ 5330.327131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.327131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.327131][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.327131][ T72] netlink_unicast+0x449/0x710 [ 5330.327131][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.327131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.327131][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.327131][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.327131][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.327131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.327131][ T72] [ 5330.329374][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5330.329374][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.329374][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.329374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.329374][ T72] ip6_route_add+0x1c/0x140 [ 5330.329374][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5330.329374][ T72] addrconf_add_dev+0xe2/0x170 [ 5330.329374][ T72] inet6_addr_add+0x12f/0xa40 [ 5330.329374][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.329374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.329374][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.329374][ T72] netlink_unicast+0x449/0x710 [ 5330.329374][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.329374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.329374][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.329374][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.329374][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.329374][ T72] [ 5330.331603][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5330.331603][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5330.331603][ T72] ipv6_find_idev+0x102/0x170 [ 5330.331603][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5330.331603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.331603][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.331603][ T72] netlink_unicast+0x449/0x710 [ 5330.331603][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.331603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.331603][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.331603][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.331603][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.331603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.331603][ T72] [ 5330.333337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5330.333337][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5330.333337][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5330.333337][ T72] ipv6_find_idev+0x102/0x170 [ 5330.333337][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5330.333337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.333337][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.333337][ T72] netlink_unicast+0x449/0x710 [ 5330.333337][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.333337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.333337][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.333337][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.333337][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.333337][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.333337][ T72] [ 5330.335369][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5330.335684][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5330.335684][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5330.335684][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5330.335684][ T72] fib6_nh_init+0xa22/0x1580 [ 5330.335684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.335684][ T72] ip6_route_add+0x1c/0x140 [ 5330.335684][ T72] inet6_rtm_newroute+0x104/0x110 [ 5330.335684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.335684][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.335684][ T72] netlink_unicast+0x449/0x710 [ 5330.335684][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.335684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.335684][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.335684][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.335684][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.335684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.335684][ T72] [ 5330.338120][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5330.338120][ T72] dst_init+0x84/0x4a0 [ 5330.338120][ T72] dst_alloc+0x97/0x150 [ 5330.338120][ T72] ip6_dst_alloc+0x23/0x90 [ 5330.338120][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5330.338120][ T72] ip6_pol_route+0x56f/0x840 [ 5330.338120][ T72] fib6_rule_lookup+0x456/0x630 [ 5330.338120][ T72] ip6_route_input+0x59c/0xa50 [ 5330.338120][ T72] ipv6_rcv+0x397/0x810 [ 5330.338120][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5330.338120][ T72] process_backlog+0x101/0x620 [ 5330.338120][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5330.338120][ T72] net_rx_action+0x495/0xbe0 [ 5330.338120][ T72] __do_softirq+0x1b5/0x7f6 [ 5330.338120][ T72] [ 5330.340163][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5330.340163][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.340163][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.340163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.340163][ T72] ip6_route_add+0x1c/0x140 [ 5330.340163][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5330.340163][ T72] inet6_addr_add+0x4f8/0xa40 [ 5330.340163][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.340163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.340163][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.340163][ T72] netlink_unicast+0x449/0x710 [ 5330.340163][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.340163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.340163][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.340163][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.340163][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.340163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.340163][ T72] [ 5330.342650][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5330.342650][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.342650][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.342650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.342650][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5330.342650][ T72] ipv6_add_addr+0x411/0x2000 [ 5330.342650][ T72] inet6_addr_add+0x30e/0xa40 [ 5330.342650][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.342650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.342650][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.342650][ T72] netlink_unicast+0x449/0x710 [ 5330.342650][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.342650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.342650][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.342650][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.342650][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.342650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.342650][ T72] [ 5330.345095][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5330.345095][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.345095][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.345095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.345095][ T72] ip6_route_add+0x1c/0x140 [ 5330.345095][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5330.345095][ T72] addrconf_add_dev+0xe2/0x170 [ 5330.345095][ T72] inet6_addr_add+0x12f/0xa40 [ 5330.345095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.345095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.345095][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.345095][ T72] netlink_unicast+0x449/0x710 [ 5330.345095][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.345095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.345095][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.345095][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.345095][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.345095][ T72] [ 5330.347646][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5330.347646][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5330.347646][ T72] ipv6_find_idev+0x102/0x170 [ 5330.347646][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5330.347646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.347646][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.347646][ T72] netlink_unicast+0x449/0x710 [ 5330.347646][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.347646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.347646][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.347646][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.347646][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.347646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.347646][ T72] [ 5330.349555][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5330.349555][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5330.349555][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5330.349555][ T72] ipv6_find_idev+0x102/0x170 [ 5330.349555][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5330.349555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.349555][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.349555][ T72] netlink_unicast+0x449/0x710 [ 5330.349555][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.349555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.349555][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.349555][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.349555][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.349555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.349555][ T72] [ 5330.351640][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5330.352469][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5330.352469][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.352469][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.352469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.352469][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5330.352469][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5330.352469][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5330.352469][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5330.352469][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5330.352469][ T72] addrconf_dad_begin+0x310/0x670 [ 5330.352469][ T72] addrconf_dad_work+0x10b/0xab0 [ 5330.352469][ T72] process_one_work+0x84d/0x18a0 [ 5330.352469][ T72] worker_thread+0x587/0xd30 [ 5330.352469][ T72] kthread+0x28a/0x350 [ 5330.352469][ T72] ret_from_fork+0x31/0x70 [ 5330.352469][ T72] ret_from_fork_asm+0x1a/0x30 [ 5330.352469][ T72] [ 5330.354649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5330.354649][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.354649][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.354649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.354649][ T72] ip6_route_add+0x1c/0x140 [ 5330.354649][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5330.354649][ T72] inet6_addr_add+0x4f8/0xa40 [ 5330.354649][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.354649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.354649][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.354649][ T72] netlink_unicast+0x449/0x710 [ 5330.354649][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.354649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.354649][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.354649][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.354649][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.354649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.354649][ T72] [ 5330.356914][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5330.356914][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.356914][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.356914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.356914][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5330.356914][ T72] ipv6_add_addr+0x411/0x2000 [ 5330.356914][ T72] inet6_addr_add+0x30e/0xa40 [ 5330.356914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.356914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.356914][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.356914][ T72] netlink_unicast+0x449/0x710 [ 5330.356914][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.356914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.356914][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.356914][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.356914][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.356914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.356914][ T72] [ 5330.359337][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5330.359337][ T72] netdev_get_by_index+0x5e/0x80 [ 5330.359337][ T72] fib6_nh_init+0x3d8/0x1580 [ 5330.359337][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5330.359337][ T72] ip6_route_add+0x1c/0x140 [ 5330.359337][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5330.359337][ T72] addrconf_add_dev+0xe2/0x170 [ 5330.359337][ T72] inet6_addr_add+0x12f/0xa40 [ 5330.359337][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5330.359337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.359337][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.359337][ T72] netlink_unicast+0x449/0x710 [ 5330.359337][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.359337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.359337][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.359337][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.359337][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.359337][ T72] [ 5330.361896][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5330.361896][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5330.361896][ T72] ipv6_find_idev+0x102/0x170 [ 5330.361896][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5330.361896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.361896][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.361896][ T72] netlink_unicast+0x449/0x710 [ 5330.361896][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.361896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.361896][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.361896][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.361896][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.361896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.361896][ T72] [ 5330.363822][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5330.363822][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5330.363822][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5330.363822][ T72] ipv6_find_idev+0x102/0x170 [ 5330.363822][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5330.363822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5330.363822][ T72] netlink_rcv_skb+0x130/0x360 [ 5330.363822][ T72] netlink_unicast+0x449/0x710 [ 5330.363822][ T72] netlink_sendmsg+0x723/0xbe0 [ 5330.363822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5330.363822][ T72] ___sys_sendmsg+0xee/0x170 [ 5330.363822][ T72] __sys_sendmsg+0xcd/0x170 [ 5330.363822][ T72] do_syscall_64+0xc6/0x1e0 [ 5330.363822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5330.363822][ T72] [ 5340.608948][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5340.609391][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5340.609391][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5340.609391][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5340.609391][ T72] fib6_nh_init+0xa22/0x1580 [ 5340.609391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.609391][ T72] ip6_route_add+0x1c/0x140 [ 5340.609391][ T72] inet6_rtm_newroute+0x104/0x110 [ 5340.609391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.609391][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.609391][ T72] netlink_unicast+0x449/0x710 [ 5340.609391][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.609391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.609391][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.609391][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.609391][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.609391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.609391][ T72] [ 5340.611329][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5340.611329][ T72] dst_init+0x84/0x4a0 [ 5340.611329][ T72] dst_alloc+0x97/0x150 [ 5340.611329][ T72] ip6_dst_alloc+0x23/0x90 [ 5340.611329][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5340.611329][ T72] ip6_pol_route+0x56f/0x840 [ 5340.611329][ T72] fib6_rule_lookup+0x456/0x630 [ 5340.611329][ T72] ip6_route_input+0x59c/0xa50 [ 5340.611329][ T72] ipv6_rcv+0x397/0x810 [ 5340.611329][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5340.611329][ T72] process_backlog+0x101/0x620 [ 5340.611329][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5340.611329][ T72] net_rx_action+0x495/0xbe0 [ 5340.611329][ T72] __do_softirq+0x1b5/0x7f6 [ 5340.611329][ T72] [ 5340.612988][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5340.612988][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.612988][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.612988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.612988][ T72] ip6_route_add+0x1c/0x140 [ 5340.612988][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5340.612988][ T72] inet6_addr_add+0x4f8/0xa40 [ 5340.612988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.612988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.612988][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.612988][ T72] netlink_unicast+0x449/0x710 [ 5340.612988][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.612988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.612988][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.612988][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.612988][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.612988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.612988][ T72] [ 5340.615030][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5340.615030][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.615030][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.615030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.615030][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5340.615030][ T72] ipv6_add_addr+0x411/0x2000 [ 5340.615030][ T72] inet6_addr_add+0x30e/0xa40 [ 5340.615030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.615030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.615030][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.615030][ T72] netlink_unicast+0x449/0x710 [ 5340.615030][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.615030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.615030][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.615030][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.615030][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.615030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.615030][ T72] [ 5340.617049][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5340.617049][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.617049][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.617049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.617049][ T72] ip6_route_add+0x1c/0x140 [ 5340.617049][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5340.617049][ T72] addrconf_add_dev+0xe2/0x170 [ 5340.617049][ T72] inet6_addr_add+0x12f/0xa40 [ 5340.617049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.617049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.617049][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.617049][ T72] netlink_unicast+0x449/0x710 [ 5340.617049][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.617049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.617049][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.617049][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.617049][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.617049][ T72] [ 5340.619045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5340.619045][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5340.619045][ T72] ipv6_find_idev+0x102/0x170 [ 5340.619045][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.619045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.619045][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.619045][ T72] netlink_unicast+0x449/0x710 [ 5340.619045][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.619045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.619045][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.619045][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.619045][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.619045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.619045][ T72] [ 5340.620590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5340.620590][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5340.620590][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5340.620590][ T72] ipv6_find_idev+0x102/0x170 [ 5340.620590][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.620590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.620590][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.620590][ T72] netlink_unicast+0x449/0x710 [ 5340.620590][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.620590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.620590][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.620590][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.620590][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.620590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.620590][ T72] [ 5340.622304][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5340.622581][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5340.622581][ T72] dst_init+0x84/0x4a0 [ 5340.622581][ T72] dst_alloc+0x97/0x150 [ 5340.622581][ T72] ip6_dst_alloc+0x23/0x90 [ 5340.622581][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5340.622581][ T72] ip6_pol_route+0x56f/0x840 [ 5340.622581][ T72] fib6_rule_lookup+0x456/0x630 [ 5340.622581][ T72] ip6_route_input+0x59c/0xa50 [ 5340.622581][ T72] ipv6_rcv+0x397/0x810 [ 5340.622581][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5340.622581][ T72] process_backlog+0x101/0x620 [ 5340.622581][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5340.622581][ T72] net_rx_action+0x495/0xbe0 [ 5340.622581][ T72] __do_softirq+0x1b5/0x7f6 [ 5340.622581][ T72] [ 5340.624251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5340.624251][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.624251][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.624251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.624251][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5340.624251][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5340.624251][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5340.624251][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5340.624251][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5340.624251][ T72] addrconf_dad_begin+0x310/0x670 [ 5340.624251][ T72] addrconf_dad_work+0x10b/0xab0 [ 5340.624251][ T72] process_one_work+0x84d/0x18a0 [ 5340.624251][ T72] worker_thread+0x587/0xd30 [ 5340.624251][ T72] kthread+0x28a/0x350 [ 5340.624251][ T72] ret_from_fork+0x31/0x70 [ 5340.624251][ T72] ret_from_fork_asm+0x1a/0x30 [ 5340.624251][ T72] [ 5340.626178][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5340.626178][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.626178][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.626178][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.626178][ T72] ip6_route_add+0x1c/0x140 [ 5340.626178][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5340.626178][ T72] inet6_addr_add+0x4f8/0xa40 [ 5340.626178][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.626178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.626178][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.626178][ T72] netlink_unicast+0x449/0x710 [ 5340.626178][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.626178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.626178][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.626178][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.626178][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.626178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.626178][ T72] [ 5340.628188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5340.628188][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.628188][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.628188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.628188][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5340.628188][ T72] ipv6_add_addr+0x411/0x2000 [ 5340.628188][ T72] inet6_addr_add+0x30e/0xa40 [ 5340.628188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.628188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.628188][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.628188][ T72] netlink_unicast+0x449/0x710 [ 5340.628188][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.628188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.628188][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.628188][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.628188][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.628188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.628188][ T72] [ 5340.630270][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5340.630270][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.630270][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.630270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.630270][ T72] ip6_route_add+0x1c/0x140 [ 5340.630270][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5340.630270][ T72] addrconf_add_dev+0xe2/0x170 [ 5340.630270][ T72] inet6_addr_add+0x12f/0xa40 [ 5340.630270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.630270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.630270][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.630270][ T72] netlink_unicast+0x449/0x710 [ 5340.630270][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.630270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.630270][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.630270][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.630270][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.630270][ T72] [ 5340.632260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5340.632260][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5340.632260][ T72] ipv6_find_idev+0x102/0x170 [ 5340.632260][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.632260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.632260][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.632260][ T72] netlink_unicast+0x449/0x710 [ 5340.632260][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.632260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.632260][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.632260][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.632260][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.632260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.632260][ T72] [ 5340.633812][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5340.633812][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5340.633812][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5340.633812][ T72] ipv6_find_idev+0x102/0x170 [ 5340.633812][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.633812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.633812][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.633812][ T72] netlink_unicast+0x449/0x710 [ 5340.633812][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.633812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.633812][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.633812][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.633812][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.633812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.633812][ T72] [ 5340.635572][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5340.635911][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5340.635911][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5340.635911][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5340.635911][ T72] fib6_nh_init+0xa22/0x1580 [ 5340.635911][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.635911][ T72] ip6_route_add+0x1c/0x140 [ 5340.635911][ T72] inet6_rtm_newroute+0x104/0x110 [ 5340.635911][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.635911][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.635911][ T72] netlink_unicast+0x449/0x710 [ 5340.635911][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.635911][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.635911][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.635911][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.635911][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.635911][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.635911][ T72] [ 5340.638038][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5340.638038][ T72] dst_init+0x84/0x4a0 [ 5340.638038][ T72] dst_alloc+0x97/0x150 [ 5340.638038][ T72] ip6_dst_alloc+0x23/0x90 [ 5340.638038][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5340.638038][ T72] ip6_pol_route+0x56f/0x840 [ 5340.638038][ T72] fib6_rule_lookup+0x456/0x630 [ 5340.638038][ T72] ip6_route_input+0x59c/0xa50 [ 5340.638038][ T72] ipv6_rcv+0x397/0x810 [ 5340.638038][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5340.638038][ T72] process_backlog+0x101/0x620 [ 5340.638038][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5340.638038][ T72] net_rx_action+0x495/0xbe0 [ 5340.638038][ T72] __do_softirq+0x1b5/0x7f6 [ 5340.638038][ T72] [ 5340.639870][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5340.639870][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.639870][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.639870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.639870][ T72] ip6_route_add+0x1c/0x140 [ 5340.639870][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5340.639870][ T72] inet6_addr_add+0x4f8/0xa40 [ 5340.639870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.639870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.639870][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.639870][ T72] netlink_unicast+0x449/0x710 [ 5340.639870][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.639870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.639870][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.639870][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.639870][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.639870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.639870][ T72] [ 5340.642113][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5340.642113][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.642113][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.642113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.642113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5340.642113][ T72] ipv6_add_addr+0x411/0x2000 [ 5340.642113][ T72] inet6_addr_add+0x30e/0xa40 [ 5340.642113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.642113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.642113][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.642113][ T72] netlink_unicast+0x449/0x710 [ 5340.642113][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.642113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.642113][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.642113][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.642113][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.642113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.642113][ T72] [ 5340.644394][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5340.644394][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.644394][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.644394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.644394][ T72] ip6_route_add+0x1c/0x140 [ 5340.644394][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5340.644394][ T72] addrconf_add_dev+0xe2/0x170 [ 5340.644394][ T72] inet6_addr_add+0x12f/0xa40 [ 5340.644394][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.644394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.644394][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.644394][ T72] netlink_unicast+0x449/0x710 [ 5340.644394][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.644394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.644394][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.644394][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.644394][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.644394][ T72] [ 5340.646667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5340.646667][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5340.646667][ T72] ipv6_find_idev+0x102/0x170 [ 5340.646667][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.646667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.646667][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.646667][ T72] netlink_unicast+0x449/0x710 [ 5340.646667][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.646667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.646667][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.646667][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.646667][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.646667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.646667][ T72] [ 5340.648389][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5340.648389][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5340.648389][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5340.648389][ T72] ipv6_find_idev+0x102/0x170 [ 5340.648389][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.648389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.648389][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.648389][ T72] netlink_unicast+0x449/0x710 [ 5340.648389][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.648389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.648389][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.648389][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.648389][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.648389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.648389][ T72] [ 5340.650740][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5340.651089][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5340.651089][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.651089][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.651089][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.651089][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5340.651089][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5340.651089][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5340.651089][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5340.651089][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5340.651089][ T72] addrconf_dad_begin+0x310/0x670 [ 5340.651089][ T72] addrconf_dad_work+0x10b/0xab0 [ 5340.651089][ T72] process_one_work+0x84d/0x18a0 [ 5340.651089][ T72] worker_thread+0x587/0xd30 [ 5340.651089][ T72] kthread+0x28a/0x350 [ 5340.651089][ T72] ret_from_fork+0x31/0x70 [ 5340.651089][ T72] ret_from_fork_asm+0x1a/0x30 [ 5340.651089][ T72] [ 5340.653190][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5340.653190][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.653190][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.653190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.653190][ T72] ip6_route_add+0x1c/0x140 [ 5340.653190][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5340.653190][ T72] inet6_addr_add+0x4f8/0xa40 [ 5340.653190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.653190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.653190][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.653190][ T72] netlink_unicast+0x449/0x710 [ 5340.653190][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.653190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.653190][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.653190][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.653190][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.653190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.653190][ T72] [ 5340.655394][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5340.655394][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.655394][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.655394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.655394][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5340.655394][ T72] ipv6_add_addr+0x411/0x2000 [ 5340.655394][ T72] inet6_addr_add+0x30e/0xa40 [ 5340.655394][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.655394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.655394][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.655394][ T72] netlink_unicast+0x449/0x710 [ 5340.655394][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.655394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.655394][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.655394][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.655394][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.655394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.655394][ T72] [ 5340.657698][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5340.657698][ T72] netdev_get_by_index+0x5e/0x80 [ 5340.657698][ T72] fib6_nh_init+0x3d8/0x1580 [ 5340.657698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5340.657698][ T72] ip6_route_add+0x1c/0x140 [ 5340.657698][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5340.657698][ T72] addrconf_add_dev+0xe2/0x170 [ 5340.657698][ T72] inet6_addr_add+0x12f/0xa40 [ 5340.657698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.657698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.657698][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.657698][ T72] netlink_unicast+0x449/0x710 [ 5340.657698][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.657698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.657698][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.657698][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.657698][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.657698][ T72] [ 5340.659915][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5340.659915][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5340.659915][ T72] ipv6_find_idev+0x102/0x170 [ 5340.659915][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.659915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.659915][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.659915][ T72] netlink_unicast+0x449/0x710 [ 5340.659915][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.659915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.659915][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.659915][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.659915][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.659915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.659915][ T72] [ 5340.661589][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5340.661589][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5340.661589][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5340.661589][ T72] ipv6_find_idev+0x102/0x170 [ 5340.661589][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.661589][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.661589][ T72] netlink_rcv_skb+0x130/0x360 [ 5340.661589][ T72] netlink_unicast+0x449/0x710 [ 5340.661589][ T72] netlink_sendmsg+0x723/0xbe0 [ 5340.661589][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5340.661589][ T72] ___sys_sendmsg+0xee/0x170 [ 5340.661589][ T72] __sys_sendmsg+0xcd/0x170 [ 5340.661589][ T72] do_syscall_64+0xc6/0x1e0 [ 5340.661589][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.661589][ T72] [ 5350.752961][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5350.753489][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5350.753489][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5350.753489][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5350.753489][ T72] fib6_nh_init+0xa22/0x1580 [ 5350.753489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.753489][ T72] ip6_route_add+0x1c/0x140 [ 5350.753489][ T72] inet6_rtm_newroute+0x104/0x110 [ 5350.753489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.753489][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.753489][ T72] netlink_unicast+0x449/0x710 [ 5350.753489][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.753489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.753489][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.753489][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.753489][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.753489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.753489][ T72] [ 5350.755407][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5350.755407][ T72] dst_init+0x84/0x4a0 [ 5350.755407][ T72] dst_alloc+0x97/0x150 [ 5350.755407][ T72] ip6_dst_alloc+0x23/0x90 [ 5350.755407][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5350.755407][ T72] ip6_pol_route+0x56f/0x840 [ 5350.755407][ T72] fib6_rule_lookup+0x456/0x630 [ 5350.755407][ T72] ip6_route_input+0x59c/0xa50 [ 5350.755407][ T72] ipv6_rcv+0x397/0x810 [ 5350.755407][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5350.755407][ T72] process_backlog+0x101/0x620 [ 5350.755407][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5350.755407][ T72] net_rx_action+0x495/0xbe0 [ 5350.755407][ T72] __do_softirq+0x1b5/0x7f6 [ 5350.755407][ T72] [ 5350.757059][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5350.757059][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.757059][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.757059][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.757059][ T72] ip6_route_add+0x1c/0x140 [ 5350.757059][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5350.757059][ T72] inet6_addr_add+0x4f8/0xa40 [ 5350.757059][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.757059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.757059][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.757059][ T72] netlink_unicast+0x449/0x710 [ 5350.757059][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.757059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.757059][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.757059][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.757059][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.757059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.757059][ T72] [ 5350.759095][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5350.759095][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.759095][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.759095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.759095][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5350.759095][ T72] ipv6_add_addr+0x411/0x2000 [ 5350.759095][ T72] inet6_addr_add+0x30e/0xa40 [ 5350.759095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.759095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.759095][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.759095][ T72] netlink_unicast+0x449/0x710 [ 5350.759095][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.759095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.759095][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.759095][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.759095][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.759095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.759095][ T72] [ 5350.761102][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5350.761102][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.761102][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.761102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.761102][ T72] ip6_route_add+0x1c/0x140 [ 5350.761102][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5350.761102][ T72] addrconf_add_dev+0xe2/0x170 [ 5350.761102][ T72] inet6_addr_add+0x12f/0xa40 [ 5350.761102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.761102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.761102][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.761102][ T72] netlink_unicast+0x449/0x710 [ 5350.761102][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.761102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.761102][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.761102][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.761102][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.761102][ T72] [ 5350.763074][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5350.763074][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5350.763074][ T72] ipv6_find_idev+0x102/0x170 [ 5350.763074][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.763074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.763074][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.763074][ T72] netlink_unicast+0x449/0x710 [ 5350.763074][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.763074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.763074][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.763074][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.763074][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.763074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.763074][ T72] [ 5350.764633][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5350.764633][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5350.764633][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5350.764633][ T72] ipv6_find_idev+0x102/0x170 [ 5350.764633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.764633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.764633][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.764633][ T72] netlink_unicast+0x449/0x710 [ 5350.764633][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.764633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.764633][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.764633][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.764633][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.764633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.764633][ T72] [ 5350.766331][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5350.766602][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5350.766602][ T72] dst_init+0x84/0x4a0 [ 5350.766602][ T72] dst_alloc+0x97/0x150 [ 5350.766602][ T72] ip6_dst_alloc+0x23/0x90 [ 5350.766602][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5350.766602][ T72] ip6_pol_route+0x56f/0x840 [ 5350.766602][ T72] fib6_rule_lookup+0x456/0x630 [ 5350.766602][ T72] ip6_route_input+0x59c/0xa50 [ 5350.766602][ T72] ipv6_rcv+0x397/0x810 [ 5350.766602][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5350.766602][ T72] process_backlog+0x101/0x620 [ 5350.766602][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5350.766602][ T72] net_rx_action+0x495/0xbe0 [ 5350.766602][ T72] __do_softirq+0x1b5/0x7f6 [ 5350.766602][ T72] [ 5350.768250][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5350.768250][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.768250][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.768250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.768250][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5350.768250][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5350.768250][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5350.768250][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5350.768250][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5350.768250][ T72] addrconf_dad_begin+0x310/0x670 [ 5350.768250][ T72] addrconf_dad_work+0x10b/0xab0 [ 5350.768250][ T72] process_one_work+0x84d/0x18a0 [ 5350.768250][ T72] worker_thread+0x587/0xd30 [ 5350.768250][ T72] kthread+0x28a/0x350 [ 5350.768250][ T72] ret_from_fork+0x31/0x70 [ 5350.768250][ T72] ret_from_fork_asm+0x1a/0x30 [ 5350.768250][ T72] [ 5350.770170][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5350.770170][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.770170][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.770170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.770170][ T72] ip6_route_add+0x1c/0x140 [ 5350.770170][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5350.770170][ T72] inet6_addr_add+0x4f8/0xa40 [ 5350.770170][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.770170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.770170][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.770170][ T72] netlink_unicast+0x449/0x710 [ 5350.770170][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.770170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.770170][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.770170][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.770170][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.770170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.770170][ T72] [ 5350.772172][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5350.772172][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.772172][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.772172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.772172][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5350.772172][ T72] ipv6_add_addr+0x411/0x2000 [ 5350.772172][ T72] inet6_addr_add+0x30e/0xa40 [ 5350.772172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.772172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.772172][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.772172][ T72] netlink_unicast+0x449/0x710 [ 5350.772172][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.772172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.772172][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.772172][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.772172][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.772172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.772172][ T72] [ 5350.774181][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5350.774181][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.774181][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.774181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.774181][ T72] ip6_route_add+0x1c/0x140 [ 5350.774181][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5350.774181][ T72] addrconf_add_dev+0xe2/0x170 [ 5350.774181][ T72] inet6_addr_add+0x12f/0xa40 [ 5350.774181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.774181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.774181][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.774181][ T72] netlink_unicast+0x449/0x710 [ 5350.774181][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.774181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.774181][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.774181][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.774181][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.774181][ T72] [ 5350.776148][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5350.776148][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5350.776148][ T72] ipv6_find_idev+0x102/0x170 [ 5350.776148][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.776148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.776148][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.776148][ T72] netlink_unicast+0x449/0x710 [ 5350.776148][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.776148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.776148][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.776148][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.776148][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.776148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.776148][ T72] [ 5350.777688][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5350.777688][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5350.777688][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5350.777688][ T72] ipv6_find_idev+0x102/0x170 [ 5350.777688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.777688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.777688][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.777688][ T72] netlink_unicast+0x449/0x710 [ 5350.777688][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.777688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.777688][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.777688][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.777688][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.777688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.777688][ T72] [ 5350.779430][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5350.779758][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5350.779758][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5350.779758][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5350.779758][ T72] fib6_nh_init+0xa22/0x1580 [ 5350.779758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.779758][ T72] ip6_route_add+0x1c/0x140 [ 5350.779758][ T72] inet6_rtm_newroute+0x104/0x110 [ 5350.779758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.779758][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.779758][ T72] netlink_unicast+0x449/0x710 [ 5350.779758][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.779758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.779758][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.779758][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.779758][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.779758][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.779758][ T72] [ 5350.781779][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5350.781779][ T72] dst_init+0x84/0x4a0 [ 5350.781779][ T72] dst_alloc+0x97/0x150 [ 5350.781779][ T72] ip6_dst_alloc+0x23/0x90 [ 5350.781779][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5350.781779][ T72] ip6_pol_route+0x56f/0x840 [ 5350.781779][ T72] fib6_rule_lookup+0x456/0x630 [ 5350.781779][ T72] ip6_route_input+0x59c/0xa50 [ 5350.781779][ T72] ipv6_rcv+0x397/0x810 [ 5350.781779][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5350.781779][ T72] process_backlog+0x101/0x620 [ 5350.781779][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5350.781779][ T72] net_rx_action+0x495/0xbe0 [ 5350.781779][ T72] __do_softirq+0x1b5/0x7f6 [ 5350.781779][ T72] [ 5350.783616][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5350.783616][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.783616][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.783616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.783616][ T72] ip6_route_add+0x1c/0x140 [ 5350.783616][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5350.783616][ T72] inet6_addr_add+0x4f8/0xa40 [ 5350.783616][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.783616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.783616][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.783616][ T72] netlink_unicast+0x449/0x710 [ 5350.783616][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.783616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.783616][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.783616][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.783616][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.783616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.783616][ T72] [ 5350.785930][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5350.785930][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.785930][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.785930][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.785930][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5350.785930][ T72] ipv6_add_addr+0x411/0x2000 [ 5350.785930][ T72] inet6_addr_add+0x30e/0xa40 [ 5350.785930][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.785930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.785930][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.785930][ T72] netlink_unicast+0x449/0x710 [ 5350.785930][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.785930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.785930][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.785930][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.785930][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.785930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.785930][ T72] [ 5350.788182][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5350.788182][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.788182][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.788182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.788182][ T72] ip6_route_add+0x1c/0x140 [ 5350.788182][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5350.788182][ T72] addrconf_add_dev+0xe2/0x170 [ 5350.788182][ T72] inet6_addr_add+0x12f/0xa40 [ 5350.788182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.788182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.788182][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.788182][ T72] netlink_unicast+0x449/0x710 [ 5350.788182][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.788182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.788182][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.788182][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.788182][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.788182][ T72] [ 5350.790397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5350.790397][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5350.790397][ T72] ipv6_find_idev+0x102/0x170 [ 5350.790397][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.790397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.790397][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.790397][ T72] netlink_unicast+0x449/0x710 [ 5350.790397][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.790397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.790397][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.790397][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.790397][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.790397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.790397][ T72] [ 5350.792120][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5350.792120][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5350.792120][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5350.792120][ T72] ipv6_find_idev+0x102/0x170 [ 5350.792120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.792120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.792120][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.792120][ T72] netlink_unicast+0x449/0x710 [ 5350.792120][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.792120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.792120][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.792120][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.792120][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.792120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.792120][ T72] [ 5350.794001][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5350.794271][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5350.794271][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.794271][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.794271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.794271][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5350.794271][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5350.794271][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5350.794271][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5350.794271][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5350.794271][ T72] addrconf_dad_begin+0x310/0x670 [ 5350.794271][ T72] addrconf_dad_work+0x10b/0xab0 [ 5350.794271][ T72] process_one_work+0x84d/0x18a0 [ 5350.794271][ T72] worker_thread+0x587/0xd30 [ 5350.794271][ T72] kthread+0x28a/0x350 [ 5350.794271][ T72] ret_from_fork+0x31/0x70 [ 5350.794271][ T72] ret_from_fork_asm+0x1a/0x30 [ 5350.794271][ T72] [ 5350.796479][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5350.796479][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.796479][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.796479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.796479][ T72] ip6_route_add+0x1c/0x140 [ 5350.796479][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5350.796479][ T72] inet6_addr_add+0x4f8/0xa40 [ 5350.796479][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.796479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.796479][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.796479][ T72] netlink_unicast+0x449/0x710 [ 5350.796479][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.796479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.796479][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.796479][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.796479][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.796479][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.796479][ T72] [ 5350.798727][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5350.798727][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.798727][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.798727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.798727][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5350.798727][ T72] ipv6_add_addr+0x411/0x2000 [ 5350.798727][ T72] inet6_addr_add+0x30e/0xa40 [ 5350.798727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.798727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.798727][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.798727][ T72] netlink_unicast+0x449/0x710 [ 5350.798727][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.798727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.798727][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.798727][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.798727][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.798727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.798727][ T72] [ 5350.800981][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5350.800981][ T72] netdev_get_by_index+0x5e/0x80 [ 5350.800981][ T72] fib6_nh_init+0x3d8/0x1580 [ 5350.800981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5350.800981][ T72] ip6_route_add+0x1c/0x140 [ 5350.800981][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5350.800981][ T72] addrconf_add_dev+0xe2/0x170 [ 5350.800981][ T72] inet6_addr_add+0x12f/0xa40 [ 5350.800981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.800981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.800981][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.800981][ T72] netlink_unicast+0x449/0x710 [ 5350.800981][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.800981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.800981][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.800981][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.800981][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.800981][ T72] [ 5350.803064][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5350.803064][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5350.803064][ T72] ipv6_find_idev+0x102/0x170 [ 5350.803064][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.803064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.803064][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.803064][ T72] netlink_unicast+0x449/0x710 [ 5350.803064][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.803064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.803064][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.803064][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.803064][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.803064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.803064][ T72] [ 5350.804849][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5350.804849][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5350.804849][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5350.804849][ T72] ipv6_find_idev+0x102/0x170 [ 5350.804849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.804849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.804849][ T72] netlink_rcv_skb+0x130/0x360 [ 5350.804849][ T72] netlink_unicast+0x449/0x710 [ 5350.804849][ T72] netlink_sendmsg+0x723/0xbe0 [ 5350.804849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5350.804849][ T72] ___sys_sendmsg+0xee/0x170 [ 5350.804849][ T72] __sys_sendmsg+0xcd/0x170 [ 5350.804849][ T72] do_syscall_64+0xc6/0x1e0 [ 5350.804849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.804849][ T72] [ 5361.056870][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5361.057390][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5361.057390][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5361.057390][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5361.057390][ T72] fib6_nh_init+0xa22/0x1580 [ 5361.057390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.057390][ T72] ip6_route_add+0x1c/0x140 [ 5361.057390][ T72] inet6_rtm_newroute+0x104/0x110 [ 5361.057390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.057390][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.057390][ T72] netlink_unicast+0x449/0x710 [ 5361.057390][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.057390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.057390][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.057390][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.057390][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.057390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.057390][ T72] [ 5361.059544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5361.059544][ T72] dst_init+0x84/0x4a0 [ 5361.059544][ T72] dst_alloc+0x97/0x150 [ 5361.059544][ T72] ip6_dst_alloc+0x23/0x90 [ 5361.059544][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5361.059544][ T72] ip6_pol_route+0x56f/0x840 [ 5361.059544][ T72] fib6_rule_lookup+0x456/0x630 [ 5361.059544][ T72] ip6_route_input+0x59c/0xa50 [ 5361.059544][ T72] ipv6_rcv+0x397/0x810 [ 5361.059544][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5361.059544][ T72] process_backlog+0x101/0x620 [ 5361.059544][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5361.059544][ T72] net_rx_action+0x495/0xbe0 [ 5361.059544][ T72] __do_softirq+0x1b5/0x7f6 [ 5361.059544][ T72] [ 5361.061402][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5361.061402][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.061402][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.061402][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.061402][ T72] ip6_route_add+0x1c/0x140 [ 5361.061402][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5361.061402][ T72] inet6_addr_add+0x4f8/0xa40 [ 5361.061402][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.061402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.061402][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.061402][ T72] netlink_unicast+0x449/0x710 [ 5361.061402][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.061402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.061402][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.061402][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.061402][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.061402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.061402][ T72] [ 5361.063687][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5361.063687][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.063687][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.063687][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.063687][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5361.063687][ T72] ipv6_add_addr+0x411/0x2000 [ 5361.063687][ T72] inet6_addr_add+0x30e/0xa40 [ 5361.063687][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.063687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.063687][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.063687][ T72] netlink_unicast+0x449/0x710 [ 5361.063687][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.063687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.063687][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.063687][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.063687][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.063687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.063687][ T72] [ 5361.065946][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5361.065946][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.065946][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.065946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.065946][ T72] ip6_route_add+0x1c/0x140 [ 5361.065946][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5361.065946][ T72] addrconf_add_dev+0xe2/0x170 [ 5361.065946][ T72] inet6_addr_add+0x12f/0xa40 [ 5361.065946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.065946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.065946][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.065946][ T72] netlink_unicast+0x449/0x710 [ 5361.065946][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.065946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.065946][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.065946][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.065946][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.065946][ T72] [ 5361.068155][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5361.068155][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5361.068155][ T72] ipv6_find_idev+0x102/0x170 [ 5361.068155][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5361.068155][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.068155][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.068155][ T72] netlink_unicast+0x449/0x710 [ 5361.068155][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.068155][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.068155][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.068155][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.068155][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.068155][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.068155][ T72] [ 5361.069891][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5361.069891][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5361.069891][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5361.069891][ T72] ipv6_find_idev+0x102/0x170 [ 5361.069891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5361.069891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.069891][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.069891][ T72] netlink_unicast+0x449/0x710 [ 5361.069891][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.069891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.069891][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.069891][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.069891][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.069891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.069891][ T72] [ 5361.071818][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5361.072117][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5361.072117][ T72] dst_init+0x84/0x4a0 [ 5361.072117][ T72] dst_alloc+0x97/0x150 [ 5361.072117][ T72] ip6_dst_alloc+0x23/0x90 [ 5361.072117][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5361.072117][ T72] ip6_pol_route+0x56f/0x840 [ 5361.072117][ T72] fib6_rule_lookup+0x456/0x630 [ 5361.072117][ T72] ip6_route_input+0x59c/0xa50 [ 5361.072117][ T72] ipv6_rcv+0x397/0x810 [ 5361.072117][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5361.072117][ T72] process_backlog+0x101/0x620 [ 5361.072117][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5361.072117][ T72] net_rx_action+0x495/0xbe0 [ 5361.072117][ T72] __do_softirq+0x1b5/0x7f6 [ 5361.072117][ T72] [ 5361.073969][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5361.073969][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.073969][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.073969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.073969][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5361.073969][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5361.073969][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5361.073969][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5361.073969][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5361.073969][ T72] addrconf_dad_begin+0x310/0x670 [ 5361.073969][ T72] addrconf_dad_work+0x10b/0xab0 [ 5361.073969][ T72] process_one_work+0x84d/0x18a0 [ 5361.073969][ T72] worker_thread+0x587/0xd30 [ 5361.073969][ T72] kthread+0x28a/0x350 [ 5361.073969][ T72] ret_from_fork+0x31/0x70 [ 5361.073969][ T72] ret_from_fork_asm+0x1a/0x30 [ 5361.073969][ T72] [ 5361.076113][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5361.076113][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.076113][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.076113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.076113][ T72] ip6_route_add+0x1c/0x140 [ 5361.076113][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5361.076113][ T72] inet6_addr_add+0x4f8/0xa40 [ 5361.076113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.076113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.076113][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.076113][ T72] netlink_unicast+0x449/0x710 [ 5361.076113][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.076113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.076113][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.076113][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.076113][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.076113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.076113][ T72] [ 5361.078369][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5361.078369][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.078369][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.078369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.078369][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5361.078369][ T72] ipv6_add_addr+0x411/0x2000 [ 5361.078369][ T72] inet6_addr_add+0x30e/0xa40 [ 5361.078369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.078369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.078369][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.078369][ T72] netlink_unicast+0x449/0x710 [ 5361.078369][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.078369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.078369][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.078369][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.078369][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.078369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.078369][ T72] [ 5361.080624][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5361.080624][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.080624][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.080624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.080624][ T72] ip6_route_add+0x1c/0x140 [ 5361.080624][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5361.080624][ T72] addrconf_add_dev+0xe2/0x170 [ 5361.080624][ T72] inet6_addr_add+0x12f/0xa40 [ 5361.080624][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.080624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.080624][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.080624][ T72] netlink_unicast+0x449/0x710 [ 5361.080624][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.080624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.080624][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.080624][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.080624][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.080624][ T72] [ 5361.082845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5361.082845][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5361.082845][ T72] ipv6_find_idev+0x102/0x170 [ 5361.082845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5361.082845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.082845][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.082845][ T72] netlink_unicast+0x449/0x710 [ 5361.082845][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.082845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.082845][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.082845][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.082845][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.082845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.082845][ T72] [ 5361.084581][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5361.084581][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5361.084581][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5361.084581][ T72] ipv6_find_idev+0x102/0x170 [ 5361.084581][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5361.084581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.084581][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.084581][ T72] netlink_unicast+0x449/0x710 [ 5361.084581][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.084581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.084581][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.084581][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.084581][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.084581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.084581][ T72] [ 5361.086639][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5361.086963][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5361.086963][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5361.086963][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5361.086963][ T72] fib6_nh_init+0xa22/0x1580 [ 5361.086963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.086963][ T72] ip6_route_add+0x1c/0x140 [ 5361.086963][ T72] inet6_rtm_newroute+0x104/0x110 [ 5361.086963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.086963][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.086963][ T72] netlink_unicast+0x449/0x710 [ 5361.086963][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.086963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.086963][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.086963][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.086963][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.086963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.086963][ T72] [ 5361.089411][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5361.089411][ T72] dst_init+0x84/0x4a0 [ 5361.089411][ T72] dst_alloc+0x97/0x150 [ 5361.089411][ T72] ip6_dst_alloc+0x23/0x90 [ 5361.089411][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5361.089411][ T72] ip6_pol_route+0x56f/0x840 [ 5361.089411][ T72] fib6_rule_lookup+0x456/0x630 [ 5361.089411][ T72] ip6_route_input+0x59c/0xa50 [ 5361.089411][ T72] ipv6_rcv+0x397/0x810 [ 5361.089411][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5361.089411][ T72] process_backlog+0x101/0x620 [ 5361.089411][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5361.089411][ T72] net_rx_action+0x495/0xbe0 [ 5361.089411][ T72] __do_softirq+0x1b5/0x7f6 [ 5361.089411][ T72] [ 5361.091426][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5361.091426][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.091426][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.091426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.091426][ T72] ip6_route_add+0x1c/0x140 [ 5361.091426][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5361.091426][ T72] inet6_addr_add+0x4f8/0xa40 [ 5361.091426][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.091426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.091426][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.091426][ T72] netlink_unicast+0x449/0x710 [ 5361.091426][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.091426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.091426][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.091426][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.091426][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.091426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.091426][ T72] [ 5361.093922][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5361.093922][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.093922][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.093922][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.093922][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5361.093922][ T72] ipv6_add_addr+0x411/0x2000 [ 5361.093922][ T72] inet6_addr_add+0x30e/0xa40 [ 5361.093922][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.093922][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.093922][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.093922][ T72] netlink_unicast+0x449/0x710 [ 5361.093922][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.093922][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.093922][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.093922][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.093922][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.093922][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.093922][ T72] [ 5361.096356][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5361.096356][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.096356][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.096356][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.096356][ T72] ip6_route_add+0x1c/0x140 [ 5361.096356][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5361.096356][ T72] addrconf_add_dev+0xe2/0x170 [ 5361.096356][ T72] inet6_addr_add+0x12f/0xa40 [ 5361.096356][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.096356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.096356][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.096356][ T72] netlink_unicast+0x449/0x710 [ 5361.096356][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.096356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.096356][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.096356][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.096356][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.096356][ T72] [ 5361.098872][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5361.098872][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5361.098872][ T72] ipv6_find_idev+0x102/0x170 [ 5361.098872][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5361.098872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.098872][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.098872][ T72] netlink_unicast+0x449/0x710 [ 5361.098872][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.098872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.098872][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.098872][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.098872][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.098872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.098872][ T72] [ 5361.100778][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5361.100778][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5361.100778][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5361.100778][ T72] ipv6_find_idev+0x102/0x170 [ 5361.100778][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5361.100778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.100778][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.100778][ T72] netlink_unicast+0x449/0x710 [ 5361.100778][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.100778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.100778][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.100778][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.100778][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.100778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.100778][ T72] [ 5361.102860][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5361.103237][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5361.103237][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.103237][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.103237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.103237][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5361.103237][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5361.103237][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5361.103237][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5361.103237][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5361.103237][ T72] addrconf_dad_begin+0x310/0x670 [ 5361.103237][ T72] addrconf_dad_work+0x10b/0xab0 [ 5361.103237][ T72] process_one_work+0x84d/0x18a0 [ 5361.103237][ T72] worker_thread+0x587/0xd30 [ 5361.103237][ T72] kthread+0x28a/0x350 [ 5361.103237][ T72] ret_from_fork+0x31/0x70 [ 5361.103237][ T72] ret_from_fork_asm+0x1a/0x30 [ 5361.103237][ T72] [ 5361.105615][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5361.105615][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.105615][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.105615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.105615][ T72] ip6_route_add+0x1c/0x140 [ 5361.105615][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5361.105615][ T72] inet6_addr_add+0x4f8/0xa40 [ 5361.105615][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.105615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.105615][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.105615][ T72] netlink_unicast+0x449/0x710 [ 5361.105615][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.105615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.105615][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.105615][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.105615][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.105615][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.105615][ T72] [ 5361.108113][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5361.108113][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.108113][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.108113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.108113][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5361.108113][ T72] ipv6_add_addr+0x411/0x2000 [ 5361.108113][ T72] inet6_addr_add+0x30e/0xa40 [ 5361.108113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.108113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.108113][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.108113][ T72] netlink_unicast+0x449/0x710 [ 5361.108113][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.108113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.108113][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.108113][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.108113][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.108113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.108113][ T72] [ 5361.110662][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5361.110662][ T72] netdev_get_by_index+0x5e/0x80 [ 5361.110662][ T72] fib6_nh_init+0x3d8/0x1580 [ 5361.110662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5361.110662][ T72] ip6_route_add+0x1c/0x140 [ 5361.110662][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5361.110662][ T72] addrconf_add_dev+0xe2/0x170 [ 5361.110662][ T72] inet6_addr_add+0x12f/0xa40 [ 5361.110662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5361.110662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.110662][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.110662][ T72] netlink_unicast+0x449/0x710 [ 5361.110662][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.110662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.110662][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.110662][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.110662][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.110662][ T72] [ 5361.113112][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5361.113112][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5361.113112][ T72] ipv6_find_idev+0x102/0x170 [ 5361.113112][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5361.113112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.113112][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.113112][ T72] netlink_unicast+0x449/0x710 [ 5361.113112][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.113112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.113112][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.113112][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.113112][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.113112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.113112][ T72] [ 5361.115017][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5361.115017][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5361.115017][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5361.115017][ T72] ipv6_find_idev+0x102/0x170 [ 5361.115017][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5361.115017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5361.115017][ T72] netlink_rcv_skb+0x130/0x360 [ 5361.115017][ T72] netlink_unicast+0x449/0x710 [ 5361.115017][ T72] netlink_sendmsg+0x723/0xbe0 [ 5361.115017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5361.115017][ T72] ___sys_sendmsg+0xee/0x170 [ 5361.115017][ T72] __sys_sendmsg+0xcd/0x170 [ 5361.115017][ T72] do_syscall_64+0xc6/0x1e0 [ 5361.115017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5361.115017][ T72] [ 5371.368926][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5371.369417][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5371.369417][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5371.369417][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5371.369417][ T72] fib6_nh_init+0xa22/0x1580 [ 5371.369417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.369417][ T72] ip6_route_add+0x1c/0x140 [ 5371.369417][ T72] inet6_rtm_newroute+0x104/0x110 [ 5371.369417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.369417][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.369417][ T72] netlink_unicast+0x449/0x710 [ 5371.369417][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.369417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.369417][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.369417][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.369417][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.369417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.369417][ T72] [ 5371.371341][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5371.371341][ T72] dst_init+0x84/0x4a0 [ 5371.371341][ T72] dst_alloc+0x97/0x150 [ 5371.371341][ T72] ip6_dst_alloc+0x23/0x90 [ 5371.371341][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5371.371341][ T72] ip6_pol_route+0x56f/0x840 [ 5371.371341][ T72] fib6_rule_lookup+0x456/0x630 [ 5371.371341][ T72] ip6_route_input+0x59c/0xa50 [ 5371.371341][ T72] ipv6_rcv+0x397/0x810 [ 5371.371341][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5371.371341][ T72] process_backlog+0x101/0x620 [ 5371.371341][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5371.371341][ T72] net_rx_action+0x495/0xbe0 [ 5371.371341][ T72] __do_softirq+0x1b5/0x7f6 [ 5371.371341][ T72] [ 5371.373006][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5371.373006][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.373006][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.373006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.373006][ T72] ip6_route_add+0x1c/0x140 [ 5371.373006][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5371.373006][ T72] inet6_addr_add+0x4f8/0xa40 [ 5371.373006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.373006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.373006][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.373006][ T72] netlink_unicast+0x449/0x710 [ 5371.373006][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.373006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.373006][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.373006][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.373006][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.373006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.373006][ T72] [ 5371.375032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5371.375032][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.375032][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.375032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.375032][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5371.375032][ T72] ipv6_add_addr+0x411/0x2000 [ 5371.375032][ T72] inet6_addr_add+0x30e/0xa40 [ 5371.375032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.375032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.375032][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.375032][ T72] netlink_unicast+0x449/0x710 [ 5371.375032][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.375032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.375032][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.375032][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.375032][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.375032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.375032][ T72] [ 5371.377039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5371.377039][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.377039][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.377039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.377039][ T72] ip6_route_add+0x1c/0x140 [ 5371.377039][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5371.377039][ T72] addrconf_add_dev+0xe2/0x170 [ 5371.377039][ T72] inet6_addr_add+0x12f/0xa40 [ 5371.377039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.377039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.377039][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.377039][ T72] netlink_unicast+0x449/0x710 [ 5371.377039][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.377039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.377039][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.377039][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.377039][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.377039][ T72] [ 5371.379009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5371.379009][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5371.379009][ T72] ipv6_find_idev+0x102/0x170 [ 5371.379009][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5371.379009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.379009][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.379009][ T72] netlink_unicast+0x449/0x710 [ 5371.379009][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.379009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.379009][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.379009][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.379009][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.379009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.379009][ T72] [ 5371.380556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5371.380556][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5371.380556][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5371.380556][ T72] ipv6_find_idev+0x102/0x170 [ 5371.380556][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5371.380556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.380556][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.380556][ T72] netlink_unicast+0x449/0x710 [ 5371.380556][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.380556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.380556][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.380556][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.380556][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.380556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.380556][ T72] [ 5371.382252][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5371.382523][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5371.382523][ T72] dst_init+0x84/0x4a0 [ 5371.382523][ T72] dst_alloc+0x97/0x150 [ 5371.382523][ T72] ip6_dst_alloc+0x23/0x90 [ 5371.382523][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5371.382523][ T72] ip6_pol_route+0x56f/0x840 [ 5371.382523][ T72] fib6_rule_lookup+0x456/0x630 [ 5371.382523][ T72] ip6_route_input+0x59c/0xa50 [ 5371.382523][ T72] ipv6_rcv+0x397/0x810 [ 5371.382523][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5371.382523][ T72] process_backlog+0x101/0x620 [ 5371.382523][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5371.382523][ T72] net_rx_action+0x495/0xbe0 [ 5371.382523][ T72] __do_softirq+0x1b5/0x7f6 [ 5371.382523][ T72] [ 5371.384179][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5371.384179][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.384179][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.384179][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.384179][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5371.384179][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5371.384179][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5371.384179][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5371.384179][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5371.384179][ T72] addrconf_dad_begin+0x310/0x670 [ 5371.384179][ T72] addrconf_dad_work+0x10b/0xab0 [ 5371.384179][ T72] process_one_work+0x84d/0x18a0 [ 5371.384179][ T72] worker_thread+0x587/0xd30 [ 5371.384179][ T72] kthread+0x28a/0x350 [ 5371.384179][ T72] ret_from_fork+0x31/0x70 [ 5371.384179][ T72] ret_from_fork_asm+0x1a/0x30 [ 5371.384179][ T72] [ 5371.386092][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5371.386092][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.386092][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.386092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.386092][ T72] ip6_route_add+0x1c/0x140 [ 5371.386092][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5371.386092][ T72] inet6_addr_add+0x4f8/0xa40 [ 5371.386092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.386092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.386092][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.386092][ T72] netlink_unicast+0x449/0x710 [ 5371.386092][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.386092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.386092][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.386092][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.386092][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.386092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.386092][ T72] [ 5371.388094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5371.388094][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.388094][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.388094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.388094][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5371.388094][ T72] ipv6_add_addr+0x411/0x2000 [ 5371.388094][ T72] inet6_addr_add+0x30e/0xa40 [ 5371.388094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.388094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.388094][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.388094][ T72] netlink_unicast+0x449/0x710 [ 5371.388094][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.388094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.388094][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.388094][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.388094][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.388094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.388094][ T72] [ 5371.390099][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5371.390099][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.390099][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.390099][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.390099][ T72] ip6_route_add+0x1c/0x140 [ 5371.390099][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5371.390099][ T72] addrconf_add_dev+0xe2/0x170 [ 5371.390099][ T72] inet6_addr_add+0x12f/0xa40 [ 5371.390099][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.390099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.390099][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.390099][ T72] netlink_unicast+0x449/0x710 [ 5371.390099][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.390099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.390099][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.390099][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.390099][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.390099][ T72] [ 5371.392099][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5371.392099][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5371.392099][ T72] ipv6_find_idev+0x102/0x170 [ 5371.392099][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5371.392099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.392099][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.392099][ T72] netlink_unicast+0x449/0x710 [ 5371.392099][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.392099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.392099][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.392099][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.392099][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.392099][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.392099][ T72] [ 5371.393699][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5371.393699][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5371.393699][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5371.393699][ T72] ipv6_find_idev+0x102/0x170 [ 5371.393699][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5371.393699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.393699][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.393699][ T72] netlink_unicast+0x449/0x710 [ 5371.393699][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.393699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.393699][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.393699][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.393699][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.393699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.393699][ T72] [ 5371.395460][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5371.395794][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5371.395794][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5371.395794][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5371.395794][ T72] fib6_nh_init+0xa22/0x1580 [ 5371.395794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.395794][ T72] ip6_route_add+0x1c/0x140 [ 5371.395794][ T72] inet6_rtm_newroute+0x104/0x110 [ 5371.395794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.395794][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.395794][ T72] netlink_unicast+0x449/0x710 [ 5371.395794][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.395794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.395794][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.395794][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.395794][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.395794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.395794][ T72] [ 5371.397948][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5371.397948][ T72] dst_init+0x84/0x4a0 [ 5371.397948][ T72] dst_alloc+0x97/0x150 [ 5371.397948][ T72] ip6_dst_alloc+0x23/0x90 [ 5371.397948][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5371.397948][ T72] ip6_pol_route+0x56f/0x840 [ 5371.397948][ T72] fib6_rule_lookup+0x456/0x630 [ 5371.397948][ T72] ip6_route_input+0x59c/0xa50 [ 5371.397948][ T72] ipv6_rcv+0x397/0x810 [ 5371.397948][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5371.397948][ T72] process_backlog+0x101/0x620 [ 5371.397948][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5371.397948][ T72] net_rx_action+0x495/0xbe0 [ 5371.397948][ T72] __do_softirq+0x1b5/0x7f6 [ 5371.397948][ T72] [ 5371.399781][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5371.399781][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.399781][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.399781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.399781][ T72] ip6_route_add+0x1c/0x140 [ 5371.399781][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5371.399781][ T72] inet6_addr_add+0x4f8/0xa40 [ 5371.399781][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.399781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.399781][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.399781][ T72] netlink_unicast+0x449/0x710 [ 5371.399781][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.399781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.399781][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.399781][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.399781][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.399781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.399781][ T72] [ 5371.402036][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5371.402036][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.402036][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.402036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.402036][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5371.402036][ T72] ipv6_add_addr+0x411/0x2000 [ 5371.402036][ T72] inet6_addr_add+0x30e/0xa40 [ 5371.402036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.402036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.402036][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.402036][ T72] netlink_unicast+0x449/0x710 [ 5371.402036][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.402036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.402036][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.402036][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.402036][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.402036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.402036][ T72] [ 5371.404258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5371.404258][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.404258][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.404258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.404258][ T72] ip6_route_add+0x1c/0x140 [ 5371.404258][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5371.404258][ T72] addrconf_add_dev+0xe2/0x170 [ 5371.404258][ T72] inet6_addr_add+0x12f/0xa40 [ 5371.404258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.404258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.404258][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.404258][ T72] netlink_unicast+0x449/0x710 [ 5371.404258][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.404258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.404258][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.404258][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.404258][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.404258][ T72] [ 5371.406538][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5371.406538][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5371.406538][ T72] ipv6_find_idev+0x102/0x170 [ 5371.406538][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5371.406538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.406538][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.406538][ T72] netlink_unicast+0x449/0x710 [ 5371.406538][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.406538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.406538][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.406538][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.406538][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.406538][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.406538][ T72] [ 5371.408274][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5371.408274][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5371.408274][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5371.408274][ T72] ipv6_find_idev+0x102/0x170 [ 5371.408274][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5371.408274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.408274][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.408274][ T72] netlink_unicast+0x449/0x710 [ 5371.408274][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.408274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.408274][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.408274][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.408274][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.408274][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.408274][ T72] [ 5371.410156][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5371.410433][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5371.410433][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.410433][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.410433][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.410433][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5371.410433][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5371.410433][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5371.410433][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5371.410433][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5371.410433][ T72] addrconf_dad_begin+0x310/0x670 [ 5371.410433][ T72] addrconf_dad_work+0x10b/0xab0 [ 5371.410433][ T72] process_one_work+0x84d/0x18a0 [ 5371.410433][ T72] worker_thread+0x587/0xd30 [ 5371.410433][ T72] kthread+0x28a/0x350 [ 5371.410433][ T72] ret_from_fork+0x31/0x70 [ 5371.410433][ T72] ret_from_fork_asm+0x1a/0x30 [ 5371.410433][ T72] [ 5371.412600][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5371.412600][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.412600][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.412600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.412600][ T72] ip6_route_add+0x1c/0x140 [ 5371.412600][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5371.412600][ T72] inet6_addr_add+0x4f8/0xa40 [ 5371.412600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.412600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.412600][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.412600][ T72] netlink_unicast+0x449/0x710 [ 5371.412600][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.412600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.412600][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.412600][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.412600][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.412600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.412600][ T72] [ 5371.414871][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5371.414871][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.414871][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.414871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.414871][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5371.414871][ T72] ipv6_add_addr+0x411/0x2000 [ 5371.414871][ T72] inet6_addr_add+0x30e/0xa40 [ 5371.414871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.414871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.414871][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.414871][ T72] netlink_unicast+0x449/0x710 [ 5371.414871][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.414871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.414871][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.414871][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.414871][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.414871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.414871][ T72] [ 5371.417188][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5371.417188][ T72] netdev_get_by_index+0x5e/0x80 [ 5371.417188][ T72] fib6_nh_init+0x3d8/0x1580 [ 5371.417188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5371.417188][ T72] ip6_route_add+0x1c/0x140 [ 5371.417188][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5371.417188][ T72] addrconf_add_dev+0xe2/0x170 [ 5371.417188][ T72] inet6_addr_add+0x12f/0xa40 [ 5371.417188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5371.417188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.417188][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.417188][ T72] netlink_unicast+0x449/0x710 [ 5371.417188][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.417188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.417188][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.417188][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.417188][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.417188][ T72] [ 5371.419880][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5371.419880][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5371.419880][ T72] ipv6_find_idev+0x102/0x170 [ 5371.419880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5371.419880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.419880][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.419880][ T72] netlink_unicast+0x449/0x710 [ 5371.419880][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.419880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.419880][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.419880][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.419880][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.419880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.419880][ T72] [ 5371.421614][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5371.421614][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5371.421614][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5371.421614][ T72] ipv6_find_idev+0x102/0x170 [ 5371.421614][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5371.421614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5371.421614][ T72] netlink_rcv_skb+0x130/0x360 [ 5371.421614][ T72] netlink_unicast+0x449/0x710 [ 5371.421614][ T72] netlink_sendmsg+0x723/0xbe0 [ 5371.421614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5371.421614][ T72] ___sys_sendmsg+0xee/0x170 [ 5371.421614][ T72] __sys_sendmsg+0xcd/0x170 [ 5371.421614][ T72] do_syscall_64+0xc6/0x1e0 [ 5371.421614][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5371.421614][ T72] [ 5381.432936][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5381.433446][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5381.433446][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5381.433446][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5381.433446][ T72] fib6_nh_init+0xa22/0x1580 [ 5381.433446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.433446][ T72] ip6_route_add+0x1c/0x140 [ 5381.433446][ T72] inet6_rtm_newroute+0x104/0x110 [ 5381.433446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.433446][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.433446][ T72] netlink_unicast+0x449/0x710 [ 5381.433446][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.433446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.433446][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.433446][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.433446][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.433446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.433446][ T72] [ 5381.436054][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5381.436054][ T72] dst_init+0x84/0x4a0 [ 5381.436054][ T72] dst_alloc+0x97/0x150 [ 5381.436054][ T72] ip6_dst_alloc+0x23/0x90 [ 5381.436054][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5381.436054][ T72] ip6_pol_route+0x56f/0x840 [ 5381.436054][ T72] fib6_rule_lookup+0x456/0x630 [ 5381.436054][ T72] ip6_route_input+0x59c/0xa50 [ 5381.436054][ T72] ipv6_rcv+0x397/0x810 [ 5381.436054][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5381.436054][ T72] process_backlog+0x101/0x620 [ 5381.436054][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5381.436054][ T72] net_rx_action+0x495/0xbe0 [ 5381.436054][ T72] __do_softirq+0x1b5/0x7f6 [ 5381.436054][ T72] [ 5381.437710][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5381.437710][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.437710][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.437710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.437710][ T72] ip6_route_add+0x1c/0x140 [ 5381.437710][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5381.437710][ T72] inet6_addr_add+0x4f8/0xa40 [ 5381.437710][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.437710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.437710][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.437710][ T72] netlink_unicast+0x449/0x710 [ 5381.437710][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.437710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.437710][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.437710][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.437710][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.437710][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.437710][ T72] [ 5381.439685][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5381.439685][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.439685][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.439685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.439685][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5381.439685][ T72] ipv6_add_addr+0x411/0x2000 [ 5381.439685][ T72] inet6_addr_add+0x30e/0xa40 [ 5381.439685][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.439685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.439685][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.439685][ T72] netlink_unicast+0x449/0x710 [ 5381.439685][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.439685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.439685][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.439685][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.439685][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.439685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.439685][ T72] [ 5381.441668][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5381.441668][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.441668][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.441668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.441668][ T72] ip6_route_add+0x1c/0x140 [ 5381.441668][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5381.441668][ T72] addrconf_add_dev+0xe2/0x170 [ 5381.441668][ T72] inet6_addr_add+0x12f/0xa40 [ 5381.441668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.441668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.441668][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.441668][ T72] netlink_unicast+0x449/0x710 [ 5381.441668][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.441668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.441668][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.441668][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.441668][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.441668][ T72] [ 5381.443600][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5381.443600][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5381.443600][ T72] ipv6_find_idev+0x102/0x170 [ 5381.443600][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5381.443600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.443600][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.443600][ T72] netlink_unicast+0x449/0x710 [ 5381.443600][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.443600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.443600][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.443600][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.443600][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.443600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.443600][ T72] [ 5381.445110][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5381.445110][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5381.445110][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5381.445110][ T72] ipv6_find_idev+0x102/0x170 [ 5381.445110][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5381.445110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.445110][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.445110][ T72] netlink_unicast+0x449/0x710 [ 5381.445110][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.445110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.445110][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.445110][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.445110][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.445110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.445110][ T72] [ 5381.446822][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5381.447100][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5381.447100][ T72] dst_init+0x84/0x4a0 [ 5381.447100][ T72] dst_alloc+0x97/0x150 [ 5381.447100][ T72] ip6_dst_alloc+0x23/0x90 [ 5381.447100][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5381.447100][ T72] ip6_pol_route+0x56f/0x840 [ 5381.447100][ T72] fib6_rule_lookup+0x456/0x630 [ 5381.447100][ T72] ip6_route_input+0x59c/0xa50 [ 5381.447100][ T72] ipv6_rcv+0x397/0x810 [ 5381.447100][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5381.447100][ T72] process_backlog+0x101/0x620 [ 5381.447100][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5381.447100][ T72] net_rx_action+0x495/0xbe0 [ 5381.447100][ T72] __do_softirq+0x1b5/0x7f6 [ 5381.447100][ T72] [ 5381.448788][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5381.448788][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.448788][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.448788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.448788][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5381.448788][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5381.448788][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5381.448788][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5381.448788][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5381.448788][ T72] addrconf_dad_begin+0x310/0x670 [ 5381.448788][ T72] addrconf_dad_work+0x10b/0xab0 [ 5381.448788][ T72] process_one_work+0x84d/0x18a0 [ 5381.448788][ T72] worker_thread+0x587/0xd30 [ 5381.448788][ T72] kthread+0x28a/0x350 [ 5381.448788][ T72] ret_from_fork+0x31/0x70 [ 5381.448788][ T72] ret_from_fork_asm+0x1a/0x30 [ 5381.448788][ T72] [ 5381.450725][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5381.450725][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.450725][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.450725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.450725][ T72] ip6_route_add+0x1c/0x140 [ 5381.450725][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5381.450725][ T72] inet6_addr_add+0x4f8/0xa40 [ 5381.450725][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.450725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.450725][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.450725][ T72] netlink_unicast+0x449/0x710 [ 5381.450725][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.450725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.450725][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.450725][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.450725][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.450725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.450725][ T72] [ 5381.452691][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5381.452691][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.452691][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.452691][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.452691][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5381.452691][ T72] ipv6_add_addr+0x411/0x2000 [ 5381.452691][ T72] inet6_addr_add+0x30e/0xa40 [ 5381.452691][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.452691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.452691][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.452691][ T72] netlink_unicast+0x449/0x710 [ 5381.452691][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.452691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.452691][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.452691][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.452691][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.452691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.452691][ T72] [ 5381.454720][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5381.454720][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.454720][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.454720][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.454720][ T72] ip6_route_add+0x1c/0x140 [ 5381.454720][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5381.454720][ T72] addrconf_add_dev+0xe2/0x170 [ 5381.454720][ T72] inet6_addr_add+0x12f/0xa40 [ 5381.454720][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.454720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.454720][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.454720][ T72] netlink_unicast+0x449/0x710 [ 5381.454720][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.454720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.454720][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.454720][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.454720][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.454720][ T72] [ 5381.456697][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5381.456697][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5381.456697][ T72] ipv6_find_idev+0x102/0x170 [ 5381.456697][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5381.456697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.456697][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.456697][ T72] netlink_unicast+0x449/0x710 [ 5381.456697][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.456697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.456697][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.456697][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.456697][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.456697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.456697][ T72] [ 5381.458202][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5381.458202][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5381.458202][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5381.458202][ T72] ipv6_find_idev+0x102/0x170 [ 5381.458202][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5381.458202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.458202][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.458202][ T72] netlink_unicast+0x449/0x710 [ 5381.458202][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.458202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.458202][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.458202][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.458202][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.458202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.458202][ T72] [ 5381.459955][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5381.460304][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5381.460304][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5381.460304][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5381.460304][ T72] fib6_nh_init+0xa22/0x1580 [ 5381.460304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.460304][ T72] ip6_route_add+0x1c/0x140 [ 5381.460304][ T72] inet6_rtm_newroute+0x104/0x110 [ 5381.460304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.460304][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.460304][ T72] netlink_unicast+0x449/0x710 [ 5381.460304][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.460304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.460304][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.460304][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.460304][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.460304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.460304][ T72] [ 5381.462433][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5381.462433][ T72] dst_init+0x84/0x4a0 [ 5381.462433][ T72] dst_alloc+0x97/0x150 [ 5381.462433][ T72] ip6_dst_alloc+0x23/0x90 [ 5381.462433][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5381.462433][ T72] ip6_pol_route+0x56f/0x840 [ 5381.462433][ T72] fib6_rule_lookup+0x456/0x630 [ 5381.462433][ T72] ip6_route_input+0x59c/0xa50 [ 5381.462433][ T72] ipv6_rcv+0x397/0x810 [ 5381.462433][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5381.462433][ T72] process_backlog+0x101/0x620 [ 5381.462433][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5381.462433][ T72] net_rx_action+0x495/0xbe0 [ 5381.462433][ T72] __do_softirq+0x1b5/0x7f6 [ 5381.462433][ T72] [ 5381.464270][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5381.464270][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.464270][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.464270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.464270][ T72] ip6_route_add+0x1c/0x140 [ 5381.464270][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5381.464270][ T72] inet6_addr_add+0x4f8/0xa40 [ 5381.464270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.464270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.464270][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.464270][ T72] netlink_unicast+0x449/0x710 [ 5381.464270][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.464270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.464270][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.464270][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.464270][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.464270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.464270][ T72] [ 5381.466545][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5381.466545][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.466545][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.466545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.466545][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5381.466545][ T72] ipv6_add_addr+0x411/0x2000 [ 5381.466545][ T72] inet6_addr_add+0x30e/0xa40 [ 5381.466545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.466545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.466545][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.466545][ T72] netlink_unicast+0x449/0x710 [ 5381.466545][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.466545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.466545][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.466545][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.466545][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.466545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.466545][ T72] [ 5381.468800][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5381.468800][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.468800][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.468800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.468800][ T72] ip6_route_add+0x1c/0x140 [ 5381.468800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5381.468800][ T72] addrconf_add_dev+0xe2/0x170 [ 5381.468800][ T72] inet6_addr_add+0x12f/0xa40 [ 5381.468800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.468800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.468800][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.468800][ T72] netlink_unicast+0x449/0x710 [ 5381.468800][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.468800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.468800][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.468800][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.468800][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.468800][ T72] [ 5381.471056][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5381.471056][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5381.471056][ T72] ipv6_find_idev+0x102/0x170 [ 5381.471056][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5381.471056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.471056][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.471056][ T72] netlink_unicast+0x449/0x710 [ 5381.471056][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.471056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.471056][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.471056][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.471056][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.471056][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.471056][ T72] [ 5381.472792][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5381.472792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5381.472792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5381.472792][ T72] ipv6_find_idev+0x102/0x170 [ 5381.472792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5381.472792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.472792][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.472792][ T72] netlink_unicast+0x449/0x710 [ 5381.472792][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.472792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.472792][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.472792][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.472792][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.472792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.472792][ T72] [ 5381.474670][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5381.475403][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5381.475403][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.475403][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.475403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.475403][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5381.475403][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5381.475403][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5381.475403][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5381.475403][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5381.475403][ T72] addrconf_dad_begin+0x310/0x670 [ 5381.475403][ T72] addrconf_dad_work+0x10b/0xab0 [ 5381.475403][ T72] process_one_work+0x84d/0x18a0 [ 5381.475403][ T72] worker_thread+0x587/0xd30 [ 5381.475403][ T72] kthread+0x28a/0x350 [ 5381.475403][ T72] ret_from_fork+0x31/0x70 [ 5381.475403][ T72] ret_from_fork_asm+0x1a/0x30 [ 5381.475403][ T72] [ 5381.477330][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5381.477330][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.477330][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.477330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.477330][ T72] ip6_route_add+0x1c/0x140 [ 5381.477330][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5381.477330][ T72] inet6_addr_add+0x4f8/0xa40 [ 5381.477330][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.477330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.477330][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.477330][ T72] netlink_unicast+0x449/0x710 [ 5381.477330][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.477330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.477330][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.477330][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.477330][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.477330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.477330][ T72] [ 5381.479485][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5381.479485][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.479485][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.479485][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.479485][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5381.479485][ T72] ipv6_add_addr+0x411/0x2000 [ 5381.479485][ T72] inet6_addr_add+0x30e/0xa40 [ 5381.479485][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.479485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.479485][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.479485][ T72] netlink_unicast+0x449/0x710 [ 5381.479485][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.479485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.479485][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.479485][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.479485][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.479485][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.479485][ T72] [ 5381.481767][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5381.481767][ T72] netdev_get_by_index+0x5e/0x80 [ 5381.481767][ T72] fib6_nh_init+0x3d8/0x1580 [ 5381.481767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5381.481767][ T72] ip6_route_add+0x1c/0x140 [ 5381.481767][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5381.481767][ T72] addrconf_add_dev+0xe2/0x170 [ 5381.481767][ T72] inet6_addr_add+0x12f/0xa40 [ 5381.481767][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5381.481767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.481767][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.481767][ T72] netlink_unicast+0x449/0x710 [ 5381.481767][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.481767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.481767][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.481767][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.481767][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.481767][ T72] [ 5381.484058][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5381.484058][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5381.484058][ T72] ipv6_find_idev+0x102/0x170 [ 5381.484058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5381.484058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.484058][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.484058][ T72] netlink_unicast+0x449/0x710 [ 5381.484058][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.484058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.484058][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.484058][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.484058][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.484058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.484058][ T72] [ 5381.485760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5381.485760][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5381.485760][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5381.485760][ T72] ipv6_find_idev+0x102/0x170 [ 5381.485760][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5381.485760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5381.485760][ T72] netlink_rcv_skb+0x130/0x360 [ 5381.485760][ T72] netlink_unicast+0x449/0x710 [ 5381.485760][ T72] netlink_sendmsg+0x723/0xbe0 [ 5381.485760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5381.485760][ T72] ___sys_sendmsg+0xee/0x170 [ 5381.485760][ T72] __sys_sendmsg+0xcd/0x170 [ 5381.485760][ T72] do_syscall_64+0xc6/0x1e0 [ 5381.485760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5381.485760][ T72] [ 5391.840948][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5391.841450][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5391.841450][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5391.841450][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5391.841450][ T72] fib6_nh_init+0xa22/0x1580 [ 5391.841450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.841450][ T72] ip6_route_add+0x1c/0x140 [ 5391.841450][ T72] inet6_rtm_newroute+0x104/0x110 [ 5391.841450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.841450][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.841450][ T72] netlink_unicast+0x449/0x710 [ 5391.841450][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.841450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.841450][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.841450][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.841450][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.841450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.841450][ T72] [ 5391.843376][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5391.843376][ T72] dst_init+0x84/0x4a0 [ 5391.843376][ T72] dst_alloc+0x97/0x150 [ 5391.843376][ T72] ip6_dst_alloc+0x23/0x90 [ 5391.843376][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5391.843376][ T72] ip6_pol_route+0x56f/0x840 [ 5391.843376][ T72] fib6_rule_lookup+0x456/0x630 [ 5391.843376][ T72] ip6_route_input+0x59c/0xa50 [ 5391.843376][ T72] ipv6_rcv+0x397/0x810 [ 5391.843376][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5391.843376][ T72] process_backlog+0x101/0x620 [ 5391.843376][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5391.843376][ T72] net_rx_action+0x495/0xbe0 [ 5391.843376][ T72] __do_softirq+0x1b5/0x7f6 [ 5391.843376][ T72] [ 5391.845009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5391.845009][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.845009][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.845009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.845009][ T72] ip6_route_add+0x1c/0x140 [ 5391.845009][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5391.845009][ T72] inet6_addr_add+0x4f8/0xa40 [ 5391.845009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.845009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.845009][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.845009][ T72] netlink_unicast+0x449/0x710 [ 5391.845009][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.845009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.845009][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.845009][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.845009][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.845009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.845009][ T72] [ 5391.847583][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5391.847583][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.847583][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.847583][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.847583][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5391.847583][ T72] ipv6_add_addr+0x411/0x2000 [ 5391.847583][ T72] inet6_addr_add+0x30e/0xa40 [ 5391.847583][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.847583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.847583][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.847583][ T72] netlink_unicast+0x449/0x710 [ 5391.847583][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.847583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.847583][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.847583][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.847583][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.847583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.847583][ T72] [ 5391.849540][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5391.849540][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.849540][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.849540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.849540][ T72] ip6_route_add+0x1c/0x140 [ 5391.849540][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5391.849540][ T72] addrconf_add_dev+0xe2/0x170 [ 5391.849540][ T72] inet6_addr_add+0x12f/0xa40 [ 5391.849540][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.849540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.849540][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.849540][ T72] netlink_unicast+0x449/0x710 [ 5391.849540][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.849540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.849540][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.849540][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.849540][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.849540][ T72] [ 5391.851501][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5391.851501][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5391.851501][ T72] ipv6_find_idev+0x102/0x170 [ 5391.851501][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.851501][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.851501][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.851501][ T72] netlink_unicast+0x449/0x710 [ 5391.851501][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.851501][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.851501][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.851501][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.851501][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.851501][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.851501][ T72] [ 5391.853046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5391.853046][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5391.853046][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5391.853046][ T72] ipv6_find_idev+0x102/0x170 [ 5391.853046][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.853046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.853046][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.853046][ T72] netlink_unicast+0x449/0x710 [ 5391.853046][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.853046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.853046][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.853046][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.853046][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.853046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.853046][ T72] [ 5391.854751][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5391.855057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5391.855057][ T72] dst_init+0x84/0x4a0 [ 5391.855057][ T72] dst_alloc+0x97/0x150 [ 5391.855057][ T72] ip6_dst_alloc+0x23/0x90 [ 5391.855057][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5391.855057][ T72] ip6_pol_route+0x56f/0x840 [ 5391.855057][ T72] fib6_rule_lookup+0x456/0x630 [ 5391.855057][ T72] ip6_route_input+0x59c/0xa50 [ 5391.855057][ T72] ipv6_rcv+0x397/0x810 [ 5391.855057][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5391.855057][ T72] process_backlog+0x101/0x620 [ 5391.855057][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5391.855057][ T72] net_rx_action+0x495/0xbe0 [ 5391.855057][ T72] __do_softirq+0x1b5/0x7f6 [ 5391.855057][ T72] [ 5391.856712][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5391.856712][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.856712][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.856712][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.856712][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5391.856712][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5391.856712][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5391.856712][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5391.856712][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5391.856712][ T72] addrconf_dad_begin+0x310/0x670 [ 5391.856712][ T72] addrconf_dad_work+0x10b/0xab0 [ 5391.856712][ T72] process_one_work+0x84d/0x18a0 [ 5391.856712][ T72] worker_thread+0x587/0xd30 [ 5391.856712][ T72] kthread+0x28a/0x350 [ 5391.856712][ T72] ret_from_fork+0x31/0x70 [ 5391.856712][ T72] ret_from_fork_asm+0x1a/0x30 [ 5391.856712][ T72] [ 5391.858635][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5391.858635][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.858635][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.858635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.858635][ T72] ip6_route_add+0x1c/0x140 [ 5391.858635][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5391.858635][ T72] inet6_addr_add+0x4f8/0xa40 [ 5391.858635][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.858635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.858635][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.858635][ T72] netlink_unicast+0x449/0x710 [ 5391.858635][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.858635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.858635][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.858635][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.858635][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.858635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.858635][ T72] [ 5391.860642][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5391.860642][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.860642][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.860642][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.860642][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5391.860642][ T72] ipv6_add_addr+0x411/0x2000 [ 5391.860642][ T72] inet6_addr_add+0x30e/0xa40 [ 5391.860642][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.860642][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.860642][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.860642][ T72] netlink_unicast+0x449/0x710 [ 5391.860642][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.860642][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.860642][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.860642][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.860642][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.860642][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.860642][ T72] [ 5391.862664][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5391.862664][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.862664][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.862664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.862664][ T72] ip6_route_add+0x1c/0x140 [ 5391.862664][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5391.862664][ T72] addrconf_add_dev+0xe2/0x170 [ 5391.862664][ T72] inet6_addr_add+0x12f/0xa40 [ 5391.862664][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.862664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.862664][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.862664][ T72] netlink_unicast+0x449/0x710 [ 5391.862664][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.862664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.862664][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.862664][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.862664][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.862664][ T72] [ 5391.865292][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5391.865292][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5391.865292][ T72] ipv6_find_idev+0x102/0x170 [ 5391.865292][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.865292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.865292][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.865292][ T72] netlink_unicast+0x449/0x710 [ 5391.865292][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.865292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.865292][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.865292][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.865292][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.865292][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.865292][ T72] [ 5391.866803][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5391.866803][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5391.866803][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5391.866803][ T72] ipv6_find_idev+0x102/0x170 [ 5391.866803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.866803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.866803][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.866803][ T72] netlink_unicast+0x449/0x710 [ 5391.866803][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.866803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.866803][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.866803][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.866803][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.866803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.866803][ T72] [ 5391.868507][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5391.868862][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5391.868862][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5391.868862][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5391.868862][ T72] fib6_nh_init+0xa22/0x1580 [ 5391.868862][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.868862][ T72] ip6_route_add+0x1c/0x140 [ 5391.868862][ T72] inet6_rtm_newroute+0x104/0x110 [ 5391.868862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.868862][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.868862][ T72] netlink_unicast+0x449/0x710 [ 5391.868862][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.868862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.868862][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.868862][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.868862][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.868862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.868862][ T72] [ 5391.871013][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5391.871013][ T72] dst_init+0x84/0x4a0 [ 5391.871013][ T72] dst_alloc+0x97/0x150 [ 5391.871013][ T72] ip6_dst_alloc+0x23/0x90 [ 5391.871013][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5391.871013][ T72] ip6_pol_route+0x56f/0x840 [ 5391.871013][ T72] fib6_rule_lookup+0x456/0x630 [ 5391.871013][ T72] ip6_route_input+0x59c/0xa50 [ 5391.871013][ T72] ipv6_rcv+0x397/0x810 [ 5391.871013][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5391.871013][ T72] process_backlog+0x101/0x620 [ 5391.871013][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5391.871013][ T72] net_rx_action+0x495/0xbe0 [ 5391.871013][ T72] __do_softirq+0x1b5/0x7f6 [ 5391.871013][ T72] [ 5391.872840][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5391.872840][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.872840][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.872840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.872840][ T72] ip6_route_add+0x1c/0x140 [ 5391.872840][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5391.872840][ T72] inet6_addr_add+0x4f8/0xa40 [ 5391.872840][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.872840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.872840][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.872840][ T72] netlink_unicast+0x449/0x710 [ 5391.872840][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.872840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.872840][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.872840][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.872840][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.872840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.872840][ T72] [ 5391.875716][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5391.875716][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.875716][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.875716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.875716][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5391.875716][ T72] ipv6_add_addr+0x411/0x2000 [ 5391.875716][ T72] inet6_addr_add+0x30e/0xa40 [ 5391.875716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.875716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.875716][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.875716][ T72] netlink_unicast+0x449/0x710 [ 5391.875716][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.875716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.875716][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.875716][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.875716][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.875716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.875716][ T72] [ 5391.877969][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5391.877969][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.877969][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.877969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.877969][ T72] ip6_route_add+0x1c/0x140 [ 5391.877969][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5391.877969][ T72] addrconf_add_dev+0xe2/0x170 [ 5391.877969][ T72] inet6_addr_add+0x12f/0xa40 [ 5391.877969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.877969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.877969][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.877969][ T72] netlink_unicast+0x449/0x710 [ 5391.877969][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.877969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.877969][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.877969][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.877969][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.877969][ T72] [ 5391.880222][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5391.880222][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5391.880222][ T72] ipv6_find_idev+0x102/0x170 [ 5391.880222][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.880222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.880222][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.880222][ T72] netlink_unicast+0x449/0x710 [ 5391.880222][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.880222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.880222][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.880222][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.880222][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.880222][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.880222][ T72] [ 5391.881935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5391.881935][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5391.881935][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5391.881935][ T72] ipv6_find_idev+0x102/0x170 [ 5391.881935][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.881935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.881935][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.881935][ T72] netlink_unicast+0x449/0x710 [ 5391.881935][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.881935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.881935][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.881935][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.881935][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.881935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.881935][ T72] [ 5391.883824][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5391.884096][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5391.884096][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.884096][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.884096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.884096][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5391.884096][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5391.884096][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5391.884096][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5391.884096][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5391.884096][ T72] addrconf_dad_begin+0x310/0x670 [ 5391.884096][ T72] addrconf_dad_work+0x10b/0xab0 [ 5391.884096][ T72] process_one_work+0x84d/0x18a0 [ 5391.884096][ T72] worker_thread+0x587/0xd30 [ 5391.884096][ T72] kthread+0x28a/0x350 [ 5391.884096][ T72] ret_from_fork+0x31/0x70 [ 5391.884096][ T72] ret_from_fork_asm+0x1a/0x30 [ 5391.884096][ T72] [ 5391.886269][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5391.886269][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.886269][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.886269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.886269][ T72] ip6_route_add+0x1c/0x140 [ 5391.886269][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5391.886269][ T72] inet6_addr_add+0x4f8/0xa40 [ 5391.886269][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.886269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.886269][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.886269][ T72] netlink_unicast+0x449/0x710 [ 5391.886269][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.886269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.886269][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.886269][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.886269][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.886269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.886269][ T72] [ 5391.888529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5391.888529][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.888529][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.888529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.888529][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5391.888529][ T72] ipv6_add_addr+0x411/0x2000 [ 5391.888529][ T72] inet6_addr_add+0x30e/0xa40 [ 5391.888529][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.888529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.888529][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.888529][ T72] netlink_unicast+0x449/0x710 [ 5391.888529][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.888529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.888529][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.888529][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.888529][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.888529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.888529][ T72] [ 5391.890768][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5391.890768][ T72] netdev_get_by_index+0x5e/0x80 [ 5391.890768][ T72] fib6_nh_init+0x3d8/0x1580 [ 5391.890768][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5391.890768][ T72] ip6_route_add+0x1c/0x140 [ 5391.890768][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5391.890768][ T72] addrconf_add_dev+0xe2/0x170 [ 5391.890768][ T72] inet6_addr_add+0x12f/0xa40 [ 5391.890768][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.890768][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.890768][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.890768][ T72] netlink_unicast+0x449/0x710 [ 5391.890768][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.890768][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.890768][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.890768][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.890768][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.890768][ T72] [ 5391.892935][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5391.892935][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5391.892935][ T72] ipv6_find_idev+0x102/0x170 [ 5391.892935][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.892935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.892935][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.892935][ T72] netlink_unicast+0x449/0x710 [ 5391.892935][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.892935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.892935][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.892935][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.892935][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.892935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.892935][ T72] [ 5391.894661][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5391.894661][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5391.894661][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5391.894661][ T72] ipv6_find_idev+0x102/0x170 [ 5391.894661][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.894661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.894661][ T72] netlink_rcv_skb+0x130/0x360 [ 5391.894661][ T72] netlink_unicast+0x449/0x710 [ 5391.894661][ T72] netlink_sendmsg+0x723/0xbe0 [ 5391.894661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5391.894661][ T72] ___sys_sendmsg+0xee/0x170 [ 5391.894661][ T72] __sys_sendmsg+0xcd/0x170 [ 5391.894661][ T72] do_syscall_64+0xc6/0x1e0 [ 5391.894661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.894661][ T72] [ 5402.128915][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5402.129389][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5402.129389][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5402.129389][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5402.129389][ T72] fib6_nh_init+0xa22/0x1580 [ 5402.129389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.129389][ T72] ip6_route_add+0x1c/0x140 [ 5402.129389][ T72] inet6_rtm_newroute+0x104/0x110 [ 5402.129389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.129389][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.129389][ T72] netlink_unicast+0x449/0x710 [ 5402.129389][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.129389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.129389][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.129389][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.129389][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.129389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.129389][ T72] [ 5402.131250][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5402.131250][ T72] dst_init+0x84/0x4a0 [ 5402.131250][ T72] dst_alloc+0x97/0x150 [ 5402.131250][ T72] ip6_dst_alloc+0x23/0x90 [ 5402.131250][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5402.131250][ T72] ip6_pol_route+0x56f/0x840 [ 5402.131250][ T72] fib6_rule_lookup+0x456/0x630 [ 5402.131250][ T72] ip6_route_input+0x59c/0xa50 [ 5402.131250][ T72] ipv6_rcv+0x397/0x810 [ 5402.131250][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5402.131250][ T72] process_backlog+0x101/0x620 [ 5402.131250][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5402.131250][ T72] net_rx_action+0x495/0xbe0 [ 5402.131250][ T72] __do_softirq+0x1b5/0x7f6 [ 5402.131250][ T72] [ 5402.132912][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5402.132912][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.132912][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.132912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.132912][ T72] ip6_route_add+0x1c/0x140 [ 5402.132912][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5402.132912][ T72] inet6_addr_add+0x4f8/0xa40 [ 5402.132912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.132912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.132912][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.132912][ T72] netlink_unicast+0x449/0x710 [ 5402.132912][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.132912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.132912][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.132912][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.132912][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.132912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.132912][ T72] [ 5402.134929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5402.134929][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.134929][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.134929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.134929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5402.134929][ T72] ipv6_add_addr+0x411/0x2000 [ 5402.134929][ T72] inet6_addr_add+0x30e/0xa40 [ 5402.134929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.134929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.134929][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.134929][ T72] netlink_unicast+0x449/0x710 [ 5402.134929][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.134929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.134929][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.134929][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.134929][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.134929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.134929][ T72] [ 5402.136949][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5402.136949][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.136949][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.136949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.136949][ T72] ip6_route_add+0x1c/0x140 [ 5402.136949][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5402.136949][ T72] addrconf_add_dev+0xe2/0x170 [ 5402.136949][ T72] inet6_addr_add+0x12f/0xa40 [ 5402.136949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.136949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.136949][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.136949][ T72] netlink_unicast+0x449/0x710 [ 5402.136949][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.136949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.136949][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.136949][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.136949][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.136949][ T72] [ 5402.138868][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5402.138868][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5402.138868][ T72] ipv6_find_idev+0x102/0x170 [ 5402.138868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5402.138868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.138868][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.138868][ T72] netlink_unicast+0x449/0x710 [ 5402.138868][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.138868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.138868][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.138868][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.138868][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.138868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.138868][ T72] [ 5402.140370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5402.140370][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5402.140370][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5402.140370][ T72] ipv6_find_idev+0x102/0x170 [ 5402.140370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5402.140370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.140370][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.140370][ T72] netlink_unicast+0x449/0x710 [ 5402.140370][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.140370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.140370][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.140370][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.140370][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.140370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.140370][ T72] [ 5402.142051][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5402.142321][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5402.142321][ T72] dst_init+0x84/0x4a0 [ 5402.142321][ T72] dst_alloc+0x97/0x150 [ 5402.142321][ T72] ip6_dst_alloc+0x23/0x90 [ 5402.142321][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5402.142321][ T72] ip6_pol_route+0x56f/0x840 [ 5402.142321][ T72] fib6_rule_lookup+0x456/0x630 [ 5402.142321][ T72] ip6_route_input+0x59c/0xa50 [ 5402.142321][ T72] ipv6_rcv+0x397/0x810 [ 5402.142321][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5402.142321][ T72] process_backlog+0x101/0x620 [ 5402.142321][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5402.142321][ T72] net_rx_action+0x495/0xbe0 [ 5402.142321][ T72] __do_softirq+0x1b5/0x7f6 [ 5402.142321][ T72] [ 5402.143970][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5402.143970][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.143970][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.143970][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.143970][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5402.143970][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5402.143970][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5402.143970][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5402.143970][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5402.143970][ T72] addrconf_dad_begin+0x310/0x670 [ 5402.143970][ T72] addrconf_dad_work+0x10b/0xab0 [ 5402.143970][ T72] process_one_work+0x84d/0x18a0 [ 5402.143970][ T72] worker_thread+0x587/0xd30 [ 5402.143970][ T72] kthread+0x28a/0x350 [ 5402.143970][ T72] ret_from_fork+0x31/0x70 [ 5402.143970][ T72] ret_from_fork_asm+0x1a/0x30 [ 5402.143970][ T72] [ 5402.145863][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5402.145863][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.145863][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.145863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.145863][ T72] ip6_route_add+0x1c/0x140 [ 5402.145863][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5402.145863][ T72] inet6_addr_add+0x4f8/0xa40 [ 5402.145863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.145863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.145863][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.145863][ T72] netlink_unicast+0x449/0x710 [ 5402.145863][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.145863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.145863][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.145863][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.145863][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.145863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.145863][ T72] [ 5402.147899][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5402.147899][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.147899][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.147899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.147899][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5402.147899][ T72] ipv6_add_addr+0x411/0x2000 [ 5402.147899][ T72] inet6_addr_add+0x30e/0xa40 [ 5402.147899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.147899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.147899][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.147899][ T72] netlink_unicast+0x449/0x710 [ 5402.147899][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.147899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.147899][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.147899][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.147899][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.147899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.147899][ T72] [ 5402.149934][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5402.149934][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.149934][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.149934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.149934][ T72] ip6_route_add+0x1c/0x140 [ 5402.149934][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5402.149934][ T72] addrconf_add_dev+0xe2/0x170 [ 5402.149934][ T72] inet6_addr_add+0x12f/0xa40 [ 5402.149934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.149934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.149934][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.149934][ T72] netlink_unicast+0x449/0x710 [ 5402.149934][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.149934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.149934][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.149934][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.149934][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.149934][ T72] [ 5402.151913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5402.151913][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5402.151913][ T72] ipv6_find_idev+0x102/0x170 [ 5402.151913][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5402.151913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.151913][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.151913][ T72] netlink_unicast+0x449/0x710 [ 5402.151913][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.151913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.151913][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.151913][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.151913][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.151913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.151913][ T72] [ 5402.153477][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5402.153477][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5402.153477][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5402.153477][ T72] ipv6_find_idev+0x102/0x170 [ 5402.153477][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5402.153477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.153477][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.153477][ T72] netlink_unicast+0x449/0x710 [ 5402.153477][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.153477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.153477][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.153477][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.153477][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.153477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.153477][ T72] [ 5402.155209][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5402.155553][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5402.155553][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5402.155553][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5402.155553][ T72] fib6_nh_init+0xa22/0x1580 [ 5402.155553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.155553][ T72] ip6_route_add+0x1c/0x140 [ 5402.155553][ T72] inet6_rtm_newroute+0x104/0x110 [ 5402.155553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.155553][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.155553][ T72] netlink_unicast+0x449/0x710 [ 5402.155553][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.155553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.155553][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.155553][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.155553][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.155553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.155553][ T72] [ 5402.157656][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5402.157656][ T72] dst_init+0x84/0x4a0 [ 5402.157656][ T72] dst_alloc+0x97/0x150 [ 5402.157656][ T72] ip6_dst_alloc+0x23/0x90 [ 5402.157656][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5402.157656][ T72] ip6_pol_route+0x56f/0x840 [ 5402.157656][ T72] fib6_rule_lookup+0x456/0x630 [ 5402.157656][ T72] ip6_route_input+0x59c/0xa50 [ 5402.157656][ T72] ipv6_rcv+0x397/0x810 [ 5402.157656][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5402.157656][ T72] process_backlog+0x101/0x620 [ 5402.157656][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5402.157656][ T72] net_rx_action+0x495/0xbe0 [ 5402.157656][ T72] __do_softirq+0x1b5/0x7f6 [ 5402.157656][ T72] [ 5402.159427][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5402.159427][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.159427][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.159427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.159427][ T72] ip6_route_add+0x1c/0x140 [ 5402.159427][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5402.159427][ T72] inet6_addr_add+0x4f8/0xa40 [ 5402.159427][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.159427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.159427][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.159427][ T72] netlink_unicast+0x449/0x710 [ 5402.159427][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.159427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.159427][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.159427][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.159427][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.159427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.159427][ T72] [ 5402.161606][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5402.161606][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.161606][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.161606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.161606][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5402.161606][ T72] ipv6_add_addr+0x411/0x2000 [ 5402.161606][ T72] inet6_addr_add+0x30e/0xa40 [ 5402.161606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.161606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.161606][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.161606][ T72] netlink_unicast+0x449/0x710 [ 5402.161606][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.161606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.161606][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.161606][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.161606][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.161606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.161606][ T72] [ 5402.163845][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5402.163845][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.163845][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.163845][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.163845][ T72] ip6_route_add+0x1c/0x140 [ 5402.163845][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5402.163845][ T72] addrconf_add_dev+0xe2/0x170 [ 5402.163845][ T72] inet6_addr_add+0x12f/0xa40 [ 5402.163845][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.163845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.163845][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.163845][ T72] netlink_unicast+0x449/0x710 [ 5402.163845][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.163845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.163845][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.163845][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.163845][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.163845][ T72] [ 5402.166152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5402.166152][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5402.166152][ T72] ipv6_find_idev+0x102/0x170 [ 5402.166152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5402.166152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.166152][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.166152][ T72] netlink_unicast+0x449/0x710 [ 5402.166152][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.166152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.166152][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.166152][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.166152][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.166152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.166152][ T72] [ 5402.167870][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5402.167870][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5402.167870][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5402.167870][ T72] ipv6_find_idev+0x102/0x170 [ 5402.167870][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5402.167870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.167870][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.167870][ T72] netlink_unicast+0x449/0x710 [ 5402.167870][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.167870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.167870][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.167870][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.167870][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.167870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.167870][ T72] [ 5402.169733][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5402.170074][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5402.170074][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.170074][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.170074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.170074][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5402.170074][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5402.170074][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5402.170074][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5402.170074][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5402.170074][ T72] addrconf_dad_begin+0x310/0x670 [ 5402.170074][ T72] addrconf_dad_work+0x10b/0xab0 [ 5402.170074][ T72] process_one_work+0x84d/0x18a0 [ 5402.170074][ T72] worker_thread+0x587/0xd30 [ 5402.170074][ T72] kthread+0x28a/0x350 [ 5402.170074][ T72] ret_from_fork+0x31/0x70 [ 5402.170074][ T72] ret_from_fork_asm+0x1a/0x30 [ 5402.170074][ T72] [ 5402.172168][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5402.172168][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.172168][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.172168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.172168][ T72] ip6_route_add+0x1c/0x140 [ 5402.172168][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5402.172168][ T72] inet6_addr_add+0x4f8/0xa40 [ 5402.172168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.172168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.172168][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.172168][ T72] netlink_unicast+0x449/0x710 [ 5402.172168][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.172168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.172168][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.172168][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.172168][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.172168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.172168][ T72] [ 5402.174460][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5402.174460][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.174460][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.174460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.174460][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5402.174460][ T72] ipv6_add_addr+0x411/0x2000 [ 5402.174460][ T72] inet6_addr_add+0x30e/0xa40 [ 5402.174460][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.174460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.174460][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.174460][ T72] netlink_unicast+0x449/0x710 [ 5402.174460][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.174460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.174460][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.174460][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.174460][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.174460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.174460][ T72] [ 5402.176793][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5402.176793][ T72] netdev_get_by_index+0x5e/0x80 [ 5402.176793][ T72] fib6_nh_init+0x3d8/0x1580 [ 5402.176793][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5402.176793][ T72] ip6_route_add+0x1c/0x140 [ 5402.176793][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5402.176793][ T72] addrconf_add_dev+0xe2/0x170 [ 5402.176793][ T72] inet6_addr_add+0x12f/0xa40 [ 5402.176793][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5402.176793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.176793][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.176793][ T72] netlink_unicast+0x449/0x710 [ 5402.176793][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.176793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.176793][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.176793][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.176793][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.176793][ T72] [ 5402.179022][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5402.179022][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5402.179022][ T72] ipv6_find_idev+0x102/0x170 [ 5402.179022][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5402.179022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.179022][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.179022][ T72] netlink_unicast+0x449/0x710 [ 5402.179022][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.179022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.179022][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.179022][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.179022][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.179022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.179022][ T72] [ 5402.180755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5402.180755][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5402.180755][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5402.180755][ T72] ipv6_find_idev+0x102/0x170 [ 5402.180755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5402.180755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5402.180755][ T72] netlink_rcv_skb+0x130/0x360 [ 5402.180755][ T72] netlink_unicast+0x449/0x710 [ 5402.180755][ T72] netlink_sendmsg+0x723/0xbe0 [ 5402.180755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5402.180755][ T72] ___sys_sendmsg+0xee/0x170 [ 5402.180755][ T72] __sys_sendmsg+0xcd/0x170 [ 5402.180755][ T72] do_syscall_64+0xc6/0x1e0 [ 5402.180755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5402.180755][ T72] [ 5412.424860][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5412.425370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5412.425370][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5412.425370][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5412.425370][ T72] fib6_nh_init+0xa22/0x1580 [ 5412.425370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.425370][ T72] ip6_route_add+0x1c/0x140 [ 5412.425370][ T72] inet6_rtm_newroute+0x104/0x110 [ 5412.425370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.425370][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.425370][ T72] netlink_unicast+0x449/0x710 [ 5412.425370][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.425370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.425370][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.425370][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.425370][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.425370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.425370][ T72] [ 5412.427275][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5412.427275][ T72] dst_init+0x84/0x4a0 [ 5412.427275][ T72] dst_alloc+0x97/0x150 [ 5412.427275][ T72] ip6_dst_alloc+0x23/0x90 [ 5412.427275][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5412.427275][ T72] ip6_pol_route+0x56f/0x840 [ 5412.427275][ T72] fib6_rule_lookup+0x456/0x630 [ 5412.427275][ T72] ip6_route_input+0x59c/0xa50 [ 5412.427275][ T72] ipv6_rcv+0x397/0x810 [ 5412.427275][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5412.427275][ T72] process_backlog+0x101/0x620 [ 5412.427275][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5412.427275][ T72] net_rx_action+0x495/0xbe0 [ 5412.427275][ T72] __do_softirq+0x1b5/0x7f6 [ 5412.427275][ T72] [ 5412.428924][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5412.428924][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.428924][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.428924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.428924][ T72] ip6_route_add+0x1c/0x140 [ 5412.428924][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5412.428924][ T72] inet6_addr_add+0x4f8/0xa40 [ 5412.428924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.428924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.428924][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.428924][ T72] netlink_unicast+0x449/0x710 [ 5412.428924][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.428924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.428924][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.428924][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.428924][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.428924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.428924][ T72] [ 5412.430951][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5412.430951][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.430951][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.430951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.430951][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5412.430951][ T72] ipv6_add_addr+0x411/0x2000 [ 5412.430951][ T72] inet6_addr_add+0x30e/0xa40 [ 5412.430951][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.430951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.430951][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.430951][ T72] netlink_unicast+0x449/0x710 [ 5412.430951][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.430951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.430951][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.430951][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.430951][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.430951][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.430951][ T72] [ 5412.432975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5412.432975][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.432975][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.432975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.432975][ T72] ip6_route_add+0x1c/0x140 [ 5412.432975][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5412.432975][ T72] addrconf_add_dev+0xe2/0x170 [ 5412.432975][ T72] inet6_addr_add+0x12f/0xa40 [ 5412.432975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.432975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.432975][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.432975][ T72] netlink_unicast+0x449/0x710 [ 5412.432975][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.432975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.432975][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.432975][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.432975][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.432975][ T72] [ 5412.434954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5412.434954][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5412.434954][ T72] ipv6_find_idev+0x102/0x170 [ 5412.434954][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5412.434954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.434954][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.434954][ T72] netlink_unicast+0x449/0x710 [ 5412.434954][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.434954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.434954][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.434954][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.434954][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.434954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.434954][ T72] [ 5412.436524][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5412.436524][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5412.436524][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5412.436524][ T72] ipv6_find_idev+0x102/0x170 [ 5412.436524][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5412.436524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.436524][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.436524][ T72] netlink_unicast+0x449/0x710 [ 5412.436524][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.436524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.436524][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.436524][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.436524][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.436524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.436524][ T72] [ 5412.438228][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5412.438510][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5412.438510][ T72] dst_init+0x84/0x4a0 [ 5412.438510][ T72] dst_alloc+0x97/0x150 [ 5412.438510][ T72] ip6_dst_alloc+0x23/0x90 [ 5412.438510][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5412.438510][ T72] ip6_pol_route+0x56f/0x840 [ 5412.438510][ T72] fib6_rule_lookup+0x456/0x630 [ 5412.438510][ T72] ip6_route_input+0x59c/0xa50 [ 5412.438510][ T72] ipv6_rcv+0x397/0x810 [ 5412.438510][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5412.438510][ T72] process_backlog+0x101/0x620 [ 5412.438510][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5412.438510][ T72] net_rx_action+0x495/0xbe0 [ 5412.438510][ T72] __do_softirq+0x1b5/0x7f6 [ 5412.438510][ T72] [ 5412.440167][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5412.440167][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.440167][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.440167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.440167][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5412.440167][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5412.440167][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5412.440167][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5412.440167][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5412.440167][ T72] addrconf_dad_begin+0x310/0x670 [ 5412.440167][ T72] addrconf_dad_work+0x10b/0xab0 [ 5412.440167][ T72] process_one_work+0x84d/0x18a0 [ 5412.440167][ T72] worker_thread+0x587/0xd30 [ 5412.440167][ T72] kthread+0x28a/0x350 [ 5412.440167][ T72] ret_from_fork+0x31/0x70 [ 5412.440167][ T72] ret_from_fork_asm+0x1a/0x30 [ 5412.440167][ T72] [ 5412.442086][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5412.442086][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.442086][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.442086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.442086][ T72] ip6_route_add+0x1c/0x140 [ 5412.442086][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5412.442086][ T72] inet6_addr_add+0x4f8/0xa40 [ 5412.442086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.442086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.442086][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.442086][ T72] netlink_unicast+0x449/0x710 [ 5412.442086][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.442086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.442086][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.442086][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.442086][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.442086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.442086][ T72] [ 5412.444105][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5412.444105][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.444105][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.444105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.444105][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5412.444105][ T72] ipv6_add_addr+0x411/0x2000 [ 5412.444105][ T72] inet6_addr_add+0x30e/0xa40 [ 5412.444105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.444105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.444105][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.444105][ T72] netlink_unicast+0x449/0x710 [ 5412.444105][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.444105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.444105][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.444105][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.444105][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.444105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.444105][ T72] [ 5412.446107][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5412.446107][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.446107][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.446107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.446107][ T72] ip6_route_add+0x1c/0x140 [ 5412.446107][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5412.446107][ T72] addrconf_add_dev+0xe2/0x170 [ 5412.446107][ T72] inet6_addr_add+0x12f/0xa40 [ 5412.446107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.446107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.446107][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.446107][ T72] netlink_unicast+0x449/0x710 [ 5412.446107][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.446107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.446107][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.446107][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.446107][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.446107][ T72] [ 5412.448080][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5412.448080][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5412.448080][ T72] ipv6_find_idev+0x102/0x170 [ 5412.448080][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5412.448080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.448080][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.448080][ T72] netlink_unicast+0x449/0x710 [ 5412.448080][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.448080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.448080][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.448080][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.448080][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.448080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.448080][ T72] [ 5412.449618][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5412.449618][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5412.449618][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5412.449618][ T72] ipv6_find_idev+0x102/0x170 [ 5412.449618][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5412.449618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.449618][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.449618][ T72] netlink_unicast+0x449/0x710 [ 5412.449618][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.449618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.449618][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.449618][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.449618][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.449618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.449618][ T72] [ 5412.451371][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5412.451700][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5412.451700][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5412.451700][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5412.451700][ T72] fib6_nh_init+0xa22/0x1580 [ 5412.451700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.451700][ T72] ip6_route_add+0x1c/0x140 [ 5412.451700][ T72] inet6_rtm_newroute+0x104/0x110 [ 5412.451700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.451700][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.451700][ T72] netlink_unicast+0x449/0x710 [ 5412.451700][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.451700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.451700][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.451700][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.451700][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.451700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.451700][ T72] [ 5412.453716][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5412.453716][ T72] dst_init+0x84/0x4a0 [ 5412.453716][ T72] dst_alloc+0x97/0x150 [ 5412.453716][ T72] ip6_dst_alloc+0x23/0x90 [ 5412.453716][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5412.453716][ T72] ip6_pol_route+0x56f/0x840 [ 5412.453716][ T72] fib6_rule_lookup+0x456/0x630 [ 5412.453716][ T72] ip6_route_input+0x59c/0xa50 [ 5412.453716][ T72] ipv6_rcv+0x397/0x810 [ 5412.453716][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5412.453716][ T72] process_backlog+0x101/0x620 [ 5412.453716][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5412.453716][ T72] net_rx_action+0x495/0xbe0 [ 5412.453716][ T72] __do_softirq+0x1b5/0x7f6 [ 5412.453716][ T72] [ 5412.455536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5412.455536][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.455536][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.455536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.455536][ T72] ip6_route_add+0x1c/0x140 [ 5412.455536][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5412.455536][ T72] inet6_addr_add+0x4f8/0xa40 [ 5412.455536][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.455536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.455536][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.455536][ T72] netlink_unicast+0x449/0x710 [ 5412.455536][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.455536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.455536][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.455536][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.455536][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.455536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.455536][ T72] [ 5412.457853][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5412.457853][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.457853][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.457853][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.457853][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5412.457853][ T72] ipv6_add_addr+0x411/0x2000 [ 5412.457853][ T72] inet6_addr_add+0x30e/0xa40 [ 5412.457853][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.457853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.457853][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.457853][ T72] netlink_unicast+0x449/0x710 [ 5412.457853][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.457853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.457853][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.457853][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.457853][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.457853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.457853][ T72] [ 5412.460633][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5412.460633][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.460633][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.460633][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.460633][ T72] ip6_route_add+0x1c/0x140 [ 5412.460633][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5412.460633][ T72] addrconf_add_dev+0xe2/0x170 [ 5412.460633][ T72] inet6_addr_add+0x12f/0xa40 [ 5412.460633][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.460633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.460633][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.460633][ T72] netlink_unicast+0x449/0x710 [ 5412.460633][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.460633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.460633][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.460633][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.460633][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.460633][ T72] [ 5412.462844][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5412.462844][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5412.462844][ T72] ipv6_find_idev+0x102/0x170 [ 5412.462844][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5412.462844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.462844][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.462844][ T72] netlink_unicast+0x449/0x710 [ 5412.462844][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.462844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.462844][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.462844][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.462844][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.462844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.462844][ T72] [ 5412.464584][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5412.464584][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5412.464584][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5412.464584][ T72] ipv6_find_idev+0x102/0x170 [ 5412.464584][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5412.464584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.464584][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.464584][ T72] netlink_unicast+0x449/0x710 [ 5412.464584][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.464584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.464584][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.464584][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.464584][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.464584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.464584][ T72] [ 5412.466458][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5412.466731][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5412.466731][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.466731][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.466731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.466731][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5412.466731][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5412.466731][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5412.466731][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5412.466731][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5412.466731][ T72] addrconf_dad_begin+0x310/0x670 [ 5412.466731][ T72] addrconf_dad_work+0x10b/0xab0 [ 5412.466731][ T72] process_one_work+0x84d/0x18a0 [ 5412.466731][ T72] worker_thread+0x587/0xd30 [ 5412.466731][ T72] kthread+0x28a/0x350 [ 5412.466731][ T72] ret_from_fork+0x31/0x70 [ 5412.466731][ T72] ret_from_fork_asm+0x1a/0x30 [ 5412.466731][ T72] [ 5412.468941][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5412.468941][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.468941][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.468941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.468941][ T72] ip6_route_add+0x1c/0x140 [ 5412.468941][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5412.468941][ T72] inet6_addr_add+0x4f8/0xa40 [ 5412.468941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.468941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.468941][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.468941][ T72] netlink_unicast+0x449/0x710 [ 5412.468941][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.468941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.468941][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.468941][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.468941][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.468941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.468941][ T72] [ 5412.471880][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5412.471880][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.471880][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.471880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.471880][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5412.471880][ T72] ipv6_add_addr+0x411/0x2000 [ 5412.471880][ T72] inet6_addr_add+0x30e/0xa40 [ 5412.471880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.471880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.471880][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.471880][ T72] netlink_unicast+0x449/0x710 [ 5412.471880][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.471880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.471880][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.471880][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.471880][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.471880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.471880][ T72] [ 5412.474132][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5412.474132][ T72] netdev_get_by_index+0x5e/0x80 [ 5412.474132][ T72] fib6_nh_init+0x3d8/0x1580 [ 5412.474132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5412.474132][ T72] ip6_route_add+0x1c/0x140 [ 5412.474132][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5412.474132][ T72] addrconf_add_dev+0xe2/0x170 [ 5412.474132][ T72] inet6_addr_add+0x12f/0xa40 [ 5412.474132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5412.474132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.474132][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.474132][ T72] netlink_unicast+0x449/0x710 [ 5412.474132][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.474132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.474132][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.474132][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.474132][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.474132][ T72] [ 5412.476282][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5412.476282][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5412.476282][ T72] ipv6_find_idev+0x102/0x170 [ 5412.476282][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5412.476282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.476282][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.476282][ T72] netlink_unicast+0x449/0x710 [ 5412.476282][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.476282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.476282][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.476282][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.476282][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.476282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.476282][ T72] [ 5412.478065][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5412.478065][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5412.478065][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5412.478065][ T72] ipv6_find_idev+0x102/0x170 [ 5412.478065][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5412.478065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5412.478065][ T72] netlink_rcv_skb+0x130/0x360 [ 5412.478065][ T72] netlink_unicast+0x449/0x710 [ 5412.478065][ T72] netlink_sendmsg+0x723/0xbe0 [ 5412.478065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5412.478065][ T72] ___sys_sendmsg+0xee/0x170 [ 5412.478065][ T72] __sys_sendmsg+0xcd/0x170 [ 5412.478065][ T72] do_syscall_64+0xc6/0x1e0 [ 5412.478065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5412.478065][ T72] [ 5422.721001][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5422.721881][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5422.721881][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5422.721881][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5422.721881][ T72] fib6_nh_init+0xa22/0x1580 [ 5422.721881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.721881][ T72] ip6_route_add+0x1c/0x140 [ 5422.721881][ T72] inet6_rtm_newroute+0x104/0x110 [ 5422.721881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.721881][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.721881][ T72] netlink_unicast+0x449/0x710 [ 5422.721881][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.721881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.721881][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.721881][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.721881][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.721881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.721881][ T72] [ 5422.724094][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5422.724094][ T72] dst_init+0x84/0x4a0 [ 5422.724094][ T72] dst_alloc+0x97/0x150 [ 5422.724094][ T72] ip6_dst_alloc+0x23/0x90 [ 5422.724094][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5422.724094][ T72] ip6_pol_route+0x56f/0x840 [ 5422.724094][ T72] fib6_rule_lookup+0x456/0x630 [ 5422.724094][ T72] ip6_route_input+0x59c/0xa50 [ 5422.724094][ T72] ipv6_rcv+0x397/0x810 [ 5422.724094][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5422.724094][ T72] process_backlog+0x101/0x620 [ 5422.724094][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5422.724094][ T72] net_rx_action+0x495/0xbe0 [ 5422.724094][ T72] __do_softirq+0x1b5/0x7f6 [ 5422.724094][ T72] [ 5422.726001][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5422.726001][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.726001][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.726001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.726001][ T72] ip6_route_add+0x1c/0x140 [ 5422.726001][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5422.726001][ T72] inet6_addr_add+0x4f8/0xa40 [ 5422.726001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.726001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.726001][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.726001][ T72] netlink_unicast+0x449/0x710 [ 5422.726001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.726001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.726001][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.726001][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.726001][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.726001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.726001][ T72] [ 5422.728281][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5422.728281][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.728281][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.728281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.728281][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5422.728281][ T72] ipv6_add_addr+0x411/0x2000 [ 5422.728281][ T72] inet6_addr_add+0x30e/0xa40 [ 5422.728281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.728281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.728281][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.728281][ T72] netlink_unicast+0x449/0x710 [ 5422.728281][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.728281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.728281][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.728281][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.728281][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.728281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.728281][ T72] [ 5422.730532][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5422.730532][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.730532][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.730532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.730532][ T72] ip6_route_add+0x1c/0x140 [ 5422.730532][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5422.730532][ T72] addrconf_add_dev+0xe2/0x170 [ 5422.730532][ T72] inet6_addr_add+0x12f/0xa40 [ 5422.730532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.730532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.730532][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.730532][ T72] netlink_unicast+0x449/0x710 [ 5422.730532][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.730532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.730532][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.730532][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.730532][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.730532][ T72] [ 5422.732765][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5422.732765][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5422.732765][ T72] ipv6_find_idev+0x102/0x170 [ 5422.732765][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5422.732765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.732765][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.732765][ T72] netlink_unicast+0x449/0x710 [ 5422.732765][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.732765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.732765][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.732765][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.732765][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.732765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.732765][ T72] [ 5422.734502][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5422.734502][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5422.734502][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5422.734502][ T72] ipv6_find_idev+0x102/0x170 [ 5422.734502][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5422.734502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.734502][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.734502][ T72] netlink_unicast+0x449/0x710 [ 5422.734502][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.734502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.734502][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.734502][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.734502][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.734502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.734502][ T72] [ 5422.736429][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5422.736733][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5422.736733][ T72] dst_init+0x84/0x4a0 [ 5422.736733][ T72] dst_alloc+0x97/0x150 [ 5422.736733][ T72] ip6_dst_alloc+0x23/0x90 [ 5422.736733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5422.736733][ T72] ip6_pol_route+0x56f/0x840 [ 5422.736733][ T72] fib6_rule_lookup+0x456/0x630 [ 5422.736733][ T72] ip6_route_input+0x59c/0xa50 [ 5422.736733][ T72] ipv6_rcv+0x397/0x810 [ 5422.736733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5422.736733][ T72] process_backlog+0x101/0x620 [ 5422.736733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5422.736733][ T72] net_rx_action+0x495/0xbe0 [ 5422.736733][ T72] __do_softirq+0x1b5/0x7f6 [ 5422.736733][ T72] [ 5422.738608][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5422.738608][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.738608][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.738608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.738608][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5422.738608][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5422.738608][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5422.738608][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5422.738608][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5422.738608][ T72] addrconf_dad_begin+0x310/0x670 [ 5422.738608][ T72] addrconf_dad_work+0x10b/0xab0 [ 5422.738608][ T72] process_one_work+0x84d/0x18a0 [ 5422.738608][ T72] worker_thread+0x587/0xd30 [ 5422.738608][ T72] kthread+0x28a/0x350 [ 5422.738608][ T72] ret_from_fork+0x31/0x70 [ 5422.738608][ T72] ret_from_fork_asm+0x1a/0x30 [ 5422.738608][ T72] [ 5422.740759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5422.740759][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.740759][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.740759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.740759][ T72] ip6_route_add+0x1c/0x140 [ 5422.740759][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5422.740759][ T72] inet6_addr_add+0x4f8/0xa40 [ 5422.740759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.740759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.740759][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.740759][ T72] netlink_unicast+0x449/0x710 [ 5422.740759][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.740759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.740759][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.740759][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.740759][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.740759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.740759][ T72] [ 5422.743024][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5422.743024][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.743024][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.743024][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.743024][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5422.743024][ T72] ipv6_add_addr+0x411/0x2000 [ 5422.743024][ T72] inet6_addr_add+0x30e/0xa40 [ 5422.743024][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.743024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.743024][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.743024][ T72] netlink_unicast+0x449/0x710 [ 5422.743024][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.743024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.743024][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.743024][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.743024][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.743024][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.743024][ T72] [ 5422.745238][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5422.745238][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.745238][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.745238][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.745238][ T72] ip6_route_add+0x1c/0x140 [ 5422.745238][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5422.745238][ T72] addrconf_add_dev+0xe2/0x170 [ 5422.745238][ T72] inet6_addr_add+0x12f/0xa40 [ 5422.745238][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.745238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.745238][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.745238][ T72] netlink_unicast+0x449/0x710 [ 5422.745238][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.745238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.745238][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.745238][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.745238][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.745238][ T72] [ 5422.747448][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5422.747448][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5422.747448][ T72] ipv6_find_idev+0x102/0x170 [ 5422.747448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5422.747448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.747448][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.747448][ T72] netlink_unicast+0x449/0x710 [ 5422.747448][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.747448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.747448][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.747448][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.747448][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.747448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.747448][ T72] [ 5422.749152][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5422.749152][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5422.749152][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5422.749152][ T72] ipv6_find_idev+0x102/0x170 [ 5422.749152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5422.749152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.749152][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.749152][ T72] netlink_unicast+0x449/0x710 [ 5422.749152][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.749152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.749152][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.749152][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.749152][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.749152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.749152][ T72] [ 5422.751166][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5422.751469][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5422.751469][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5422.751469][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5422.751469][ T72] fib6_nh_init+0xa22/0x1580 [ 5422.751469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.751469][ T72] ip6_route_add+0x1c/0x140 [ 5422.751469][ T72] inet6_rtm_newroute+0x104/0x110 [ 5422.751469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.751469][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.751469][ T72] netlink_unicast+0x449/0x710 [ 5422.751469][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.751469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.751469][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.751469][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.751469][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.751469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.751469][ T72] [ 5422.753893][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5422.753893][ T72] dst_init+0x84/0x4a0 [ 5422.753893][ T72] dst_alloc+0x97/0x150 [ 5422.753893][ T72] ip6_dst_alloc+0x23/0x90 [ 5422.753893][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5422.753893][ T72] ip6_pol_route+0x56f/0x840 [ 5422.753893][ T72] fib6_rule_lookup+0x456/0x630 [ 5422.753893][ T72] ip6_route_input+0x59c/0xa50 [ 5422.753893][ T72] ipv6_rcv+0x397/0x810 [ 5422.753893][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5422.753893][ T72] process_backlog+0x101/0x620 [ 5422.753893][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5422.753893][ T72] net_rx_action+0x495/0xbe0 [ 5422.753893][ T72] __do_softirq+0x1b5/0x7f6 [ 5422.753893][ T72] [ 5422.755938][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5422.755938][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.755938][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.755938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.755938][ T72] ip6_route_add+0x1c/0x140 [ 5422.755938][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5422.755938][ T72] inet6_addr_add+0x4f8/0xa40 [ 5422.755938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.755938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.755938][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.755938][ T72] netlink_unicast+0x449/0x710 [ 5422.755938][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.755938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.755938][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.755938][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.755938][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.755938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.755938][ T72] [ 5422.758410][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5422.758410][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.758410][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.758410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.758410][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5422.758410][ T72] ipv6_add_addr+0x411/0x2000 [ 5422.758410][ T72] inet6_addr_add+0x30e/0xa40 [ 5422.758410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.758410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.758410][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.758410][ T72] netlink_unicast+0x449/0x710 [ 5422.758410][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.758410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.758410][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.758410][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.758410][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.758410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.758410][ T72] [ 5422.760841][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5422.760841][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.760841][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.760841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.760841][ T72] ip6_route_add+0x1c/0x140 [ 5422.760841][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5422.760841][ T72] addrconf_add_dev+0xe2/0x170 [ 5422.760841][ T72] inet6_addr_add+0x12f/0xa40 [ 5422.760841][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.760841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.760841][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.760841][ T72] netlink_unicast+0x449/0x710 [ 5422.760841][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.760841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.760841][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.760841][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.760841][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.760841][ T72] [ 5422.763377][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5422.763377][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5422.763377][ T72] ipv6_find_idev+0x102/0x170 [ 5422.763377][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5422.763377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.763377][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.763377][ T72] netlink_unicast+0x449/0x710 [ 5422.763377][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.763377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.763377][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.763377][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.763377][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.763377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.763377][ T72] [ 5422.765266][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5422.765266][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5422.765266][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5422.765266][ T72] ipv6_find_idev+0x102/0x170 [ 5422.765266][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5422.765266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.765266][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.765266][ T72] netlink_unicast+0x449/0x710 [ 5422.765266][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.765266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.765266][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.765266][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.765266][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.765266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.765266][ T72] [ 5422.767349][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5422.767747][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5422.767747][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.767747][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.767747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.767747][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5422.767747][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5422.767747][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5422.767747][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5422.767747][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5422.767747][ T72] addrconf_dad_begin+0x310/0x670 [ 5422.767747][ T72] addrconf_dad_work+0x10b/0xab0 [ 5422.767747][ T72] process_one_work+0x84d/0x18a0 [ 5422.767747][ T72] worker_thread+0x587/0xd30 [ 5422.767747][ T72] kthread+0x28a/0x350 [ 5422.767747][ T72] ret_from_fork+0x31/0x70 [ 5422.767747][ T72] ret_from_fork_asm+0x1a/0x30 [ 5422.767747][ T72] [ 5422.770017][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5422.770017][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.770017][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.770017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.770017][ T72] ip6_route_add+0x1c/0x140 [ 5422.770017][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5422.770017][ T72] inet6_addr_add+0x4f8/0xa40 [ 5422.770017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.770017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.770017][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.770017][ T72] netlink_unicast+0x449/0x710 [ 5422.770017][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.770017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.770017][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.770017][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.770017][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.770017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.770017][ T72] [ 5422.772478][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5422.772478][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.772478][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.772478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.772478][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5422.772478][ T72] ipv6_add_addr+0x411/0x2000 [ 5422.772478][ T72] inet6_addr_add+0x30e/0xa40 [ 5422.772478][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.772478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.772478][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.772478][ T72] netlink_unicast+0x449/0x710 [ 5422.772478][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.772478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.772478][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.772478][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.772478][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.772478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.772478][ T72] [ 5422.775065][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5422.775065][ T72] netdev_get_by_index+0x5e/0x80 [ 5422.775065][ T72] fib6_nh_init+0x3d8/0x1580 [ 5422.775065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5422.775065][ T72] ip6_route_add+0x1c/0x140 [ 5422.775065][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5422.775065][ T72] addrconf_add_dev+0xe2/0x170 [ 5422.775065][ T72] inet6_addr_add+0x12f/0xa40 [ 5422.775065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5422.775065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.775065][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.775065][ T72] netlink_unicast+0x449/0x710 [ 5422.775065][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.775065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.775065][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.775065][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.775065][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.775065][ T72] [ 5422.777487][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5422.777487][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5422.777487][ T72] ipv6_find_idev+0x102/0x170 [ 5422.777487][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5422.777487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.777487][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.777487][ T72] netlink_unicast+0x449/0x710 [ 5422.777487][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.777487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.777487][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.777487][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.777487][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.777487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.777487][ T72] [ 5422.779420][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5422.779420][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5422.779420][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5422.779420][ T72] ipv6_find_idev+0x102/0x170 [ 5422.779420][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5422.779420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5422.779420][ T72] netlink_rcv_skb+0x130/0x360 [ 5422.779420][ T72] netlink_unicast+0x449/0x710 [ 5422.779420][ T72] netlink_sendmsg+0x723/0xbe0 [ 5422.779420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5422.779420][ T72] ___sys_sendmsg+0xee/0x170 [ 5422.779420][ T72] __sys_sendmsg+0xcd/0x170 [ 5422.779420][ T72] do_syscall_64+0xc6/0x1e0 [ 5422.779420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5422.779420][ T72] [ 5433.025042][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5433.025774][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5433.025774][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5433.025774][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5433.025774][ T72] fib6_nh_init+0xa22/0x1580 [ 5433.025774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.025774][ T72] ip6_route_add+0x1c/0x140 [ 5433.025774][ T72] inet6_rtm_newroute+0x104/0x110 [ 5433.025774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.025774][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.025774][ T72] netlink_unicast+0x449/0x710 [ 5433.025774][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.025774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.025774][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.025774][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.025774][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.025774][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.025774][ T72] [ 5433.027925][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5433.027925][ T72] dst_init+0x84/0x4a0 [ 5433.027925][ T72] dst_alloc+0x97/0x150 [ 5433.027925][ T72] ip6_dst_alloc+0x23/0x90 [ 5433.027925][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5433.027925][ T72] ip6_pol_route+0x56f/0x840 [ 5433.027925][ T72] fib6_rule_lookup+0x456/0x630 [ 5433.027925][ T72] ip6_route_input+0x59c/0xa50 [ 5433.027925][ T72] ipv6_rcv+0x397/0x810 [ 5433.027925][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5433.027925][ T72] process_backlog+0x101/0x620 [ 5433.027925][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5433.027925][ T72] net_rx_action+0x495/0xbe0 [ 5433.027925][ T72] __do_softirq+0x1b5/0x7f6 [ 5433.027925][ T72] [ 5433.029791][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5433.029791][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.029791][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.029791][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.029791][ T72] ip6_route_add+0x1c/0x140 [ 5433.029791][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5433.029791][ T72] inet6_addr_add+0x4f8/0xa40 [ 5433.029791][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.029791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.029791][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.029791][ T72] netlink_unicast+0x449/0x710 [ 5433.029791][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.029791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.029791][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.029791][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.029791][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.029791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.029791][ T72] [ 5433.032047][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5433.032047][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.032047][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.032047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.032047][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5433.032047][ T72] ipv6_add_addr+0x411/0x2000 [ 5433.032047][ T72] inet6_addr_add+0x30e/0xa40 [ 5433.032047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.032047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.032047][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.032047][ T72] netlink_unicast+0x449/0x710 [ 5433.032047][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.032047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.032047][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.032047][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.032047][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.032047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.032047][ T72] [ 5433.034348][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5433.034348][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.034348][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.034348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.034348][ T72] ip6_route_add+0x1c/0x140 [ 5433.034348][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.034348][ T72] addrconf_add_dev+0xe2/0x170 [ 5433.034348][ T72] inet6_addr_add+0x12f/0xa40 [ 5433.034348][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.034348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.034348][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.034348][ T72] netlink_unicast+0x449/0x710 [ 5433.034348][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.034348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.034348][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.034348][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.034348][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.034348][ T72] [ 5433.036536][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5433.036536][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5433.036536][ T72] ipv6_find_idev+0x102/0x170 [ 5433.036536][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.036536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.036536][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.036536][ T72] netlink_unicast+0x449/0x710 [ 5433.036536][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.036536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.036536][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.036536][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.036536][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.036536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.036536][ T72] [ 5433.038262][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5433.038262][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5433.038262][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5433.038262][ T72] ipv6_find_idev+0x102/0x170 [ 5433.038262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.038262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.038262][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.038262][ T72] netlink_unicast+0x449/0x710 [ 5433.038262][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.038262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.038262][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.038262][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.038262][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.038262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.038262][ T72] [ 5433.040156][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5433.040447][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5433.040447][ T72] dst_init+0x84/0x4a0 [ 5433.040447][ T72] dst_alloc+0x97/0x150 [ 5433.040447][ T72] ip6_dst_alloc+0x23/0x90 [ 5433.040447][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5433.040447][ T72] ip6_pol_route+0x56f/0x840 [ 5433.040447][ T72] fib6_rule_lookup+0x456/0x630 [ 5433.040447][ T72] ip6_route_input+0x59c/0xa50 [ 5433.040447][ T72] ipv6_rcv+0x397/0x810 [ 5433.040447][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5433.040447][ T72] process_backlog+0x101/0x620 [ 5433.040447][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5433.040447][ T72] net_rx_action+0x495/0xbe0 [ 5433.040447][ T72] __do_softirq+0x1b5/0x7f6 [ 5433.040447][ T72] [ 5433.042272][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5433.042272][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.042272][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.042272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.042272][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5433.042272][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5433.042272][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5433.042272][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5433.042272][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5433.042272][ T72] addrconf_dad_begin+0x310/0x670 [ 5433.042272][ T72] addrconf_dad_work+0x10b/0xab0 [ 5433.042272][ T72] process_one_work+0x84d/0x18a0 [ 5433.042272][ T72] worker_thread+0x587/0xd30 [ 5433.042272][ T72] kthread+0x28a/0x350 [ 5433.042272][ T72] ret_from_fork+0x31/0x70 [ 5433.042272][ T72] ret_from_fork_asm+0x1a/0x30 [ 5433.042272][ T72] [ 5433.044442][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5433.044442][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.044442][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.044442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.044442][ T72] ip6_route_add+0x1c/0x140 [ 5433.044442][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5433.044442][ T72] inet6_addr_add+0x4f8/0xa40 [ 5433.044442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.044442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.044442][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.044442][ T72] netlink_unicast+0x449/0x710 [ 5433.044442][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.044442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.044442][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.044442][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.044442][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.044442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.044442][ T72] [ 5433.046695][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5433.046695][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.046695][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.046695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.046695][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5433.046695][ T72] ipv6_add_addr+0x411/0x2000 [ 5433.046695][ T72] inet6_addr_add+0x30e/0xa40 [ 5433.046695][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.046695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.046695][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.046695][ T72] netlink_unicast+0x449/0x710 [ 5433.046695][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.046695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.046695][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.046695][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.046695][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.046695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.046695][ T72] [ 5433.048926][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5433.048926][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.048926][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.048926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.048926][ T72] ip6_route_add+0x1c/0x140 [ 5433.048926][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.048926][ T72] addrconf_add_dev+0xe2/0x170 [ 5433.048926][ T72] inet6_addr_add+0x12f/0xa40 [ 5433.048926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.048926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.048926][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.048926][ T72] netlink_unicast+0x449/0x710 [ 5433.048926][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.048926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.048926][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.048926][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.048926][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.048926][ T72] [ 5433.051090][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5433.051090][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5433.051090][ T72] ipv6_find_idev+0x102/0x170 [ 5433.051090][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.051090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.051090][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.051090][ T72] netlink_unicast+0x449/0x710 [ 5433.051090][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.051090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.051090][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.051090][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.051090][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.051090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.051090][ T72] [ 5433.052800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5433.052800][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5433.052800][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5433.052800][ T72] ipv6_find_idev+0x102/0x170 [ 5433.052800][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.052800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.052800][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.052800][ T72] netlink_unicast+0x449/0x710 [ 5433.052800][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.052800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.052800][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.052800][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.052800][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.052800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.052800][ T72] [ 5433.054828][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5433.055142][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5433.055142][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5433.055142][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5433.055142][ T72] fib6_nh_init+0xa22/0x1580 [ 5433.055142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.055142][ T72] ip6_route_add+0x1c/0x140 [ 5433.055142][ T72] inet6_rtm_newroute+0x104/0x110 [ 5433.055142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.055142][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.055142][ T72] netlink_unicast+0x449/0x710 [ 5433.055142][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.055142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.055142][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.055142][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.055142][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.055142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.055142][ T72] [ 5433.058052][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5433.058052][ T72] dst_init+0x84/0x4a0 [ 5433.058052][ T72] dst_alloc+0x97/0x150 [ 5433.058052][ T72] ip6_dst_alloc+0x23/0x90 [ 5433.058052][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5433.058052][ T72] ip6_pol_route+0x56f/0x840 [ 5433.058052][ T72] fib6_rule_lookup+0x456/0x630 [ 5433.058052][ T72] ip6_route_input+0x59c/0xa50 [ 5433.058052][ T72] ipv6_rcv+0x397/0x810 [ 5433.058052][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5433.058052][ T72] process_backlog+0x101/0x620 [ 5433.058052][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5433.058052][ T72] net_rx_action+0x495/0xbe0 [ 5433.058052][ T72] __do_softirq+0x1b5/0x7f6 [ 5433.058052][ T72] [ 5433.060066][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5433.060066][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.060066][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.060066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.060066][ T72] ip6_route_add+0x1c/0x140 [ 5433.060066][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5433.060066][ T72] inet6_addr_add+0x4f8/0xa40 [ 5433.060066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.060066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.060066][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.060066][ T72] netlink_unicast+0x449/0x710 [ 5433.060066][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.060066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.060066][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.060066][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.060066][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.060066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.060066][ T72] [ 5433.062517][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5433.062517][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.062517][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.062517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.062517][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5433.062517][ T72] ipv6_add_addr+0x411/0x2000 [ 5433.062517][ T72] inet6_addr_add+0x30e/0xa40 [ 5433.062517][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.062517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.062517][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.062517][ T72] netlink_unicast+0x449/0x710 [ 5433.062517][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.062517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.062517][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.062517][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.062517][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.062517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.062517][ T72] [ 5433.064983][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5433.064983][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.064983][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.064983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.064983][ T72] ip6_route_add+0x1c/0x140 [ 5433.064983][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.064983][ T72] addrconf_add_dev+0xe2/0x170 [ 5433.064983][ T72] inet6_addr_add+0x12f/0xa40 [ 5433.064983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.064983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.064983][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.064983][ T72] netlink_unicast+0x449/0x710 [ 5433.064983][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.064983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.064983][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.064983][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.064983][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.064983][ T72] [ 5433.067520][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5433.067520][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5433.067520][ T72] ipv6_find_idev+0x102/0x170 [ 5433.067520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.067520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.067520][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.067520][ T72] netlink_unicast+0x449/0x710 [ 5433.067520][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.067520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.067520][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.067520][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.067520][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.067520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.067520][ T72] [ 5433.069458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5433.069458][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5433.069458][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5433.069458][ T72] ipv6_find_idev+0x102/0x170 [ 5433.069458][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.069458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.069458][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.069458][ T72] netlink_unicast+0x449/0x710 [ 5433.069458][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.069458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.069458][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.069458][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.069458][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.069458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.069458][ T72] [ 5433.071565][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5433.072427][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5433.072427][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.072427][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.072427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.072427][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5433.072427][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5433.072427][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5433.072427][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5433.072427][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5433.072427][ T72] addrconf_dad_begin+0x310/0x670 [ 5433.072427][ T72] addrconf_dad_work+0x10b/0xab0 [ 5433.072427][ T72] process_one_work+0x84d/0x18a0 [ 5433.072427][ T72] worker_thread+0x587/0xd30 [ 5433.072427][ T72] kthread+0x28a/0x350 [ 5433.072427][ T72] ret_from_fork+0x31/0x70 [ 5433.072427][ T72] ret_from_fork_asm+0x1a/0x30 [ 5433.072427][ T72] [ 5433.074607][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5433.074607][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.074607][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.074607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.074607][ T72] ip6_route_add+0x1c/0x140 [ 5433.074607][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5433.074607][ T72] inet6_addr_add+0x4f8/0xa40 [ 5433.074607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.074607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.074607][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.074607][ T72] netlink_unicast+0x449/0x710 [ 5433.074607][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.074607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.074607][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.074607][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.074607][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.074607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.074607][ T72] [ 5433.076860][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5433.076860][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.076860][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.076860][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.076860][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5433.076860][ T72] ipv6_add_addr+0x411/0x2000 [ 5433.076860][ T72] inet6_addr_add+0x30e/0xa40 [ 5433.076860][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.076860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.076860][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.076860][ T72] netlink_unicast+0x449/0x710 [ 5433.076860][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.076860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.076860][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.076860][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.076860][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.076860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.076860][ T72] [ 5433.079364][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5433.079364][ T72] netdev_get_by_index+0x5e/0x80 [ 5433.079364][ T72] fib6_nh_init+0x3d8/0x1580 [ 5433.079364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5433.079364][ T72] ip6_route_add+0x1c/0x140 [ 5433.079364][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.079364][ T72] addrconf_add_dev+0xe2/0x170 [ 5433.079364][ T72] inet6_addr_add+0x12f/0xa40 [ 5433.079364][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.079364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.079364][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.079364][ T72] netlink_unicast+0x449/0x710 [ 5433.079364][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.079364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.079364][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.079364][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.079364][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.079364][ T72] [ 5433.082272][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5433.082272][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5433.082272][ T72] ipv6_find_idev+0x102/0x170 [ 5433.082272][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.082272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.082272][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.082272][ T72] netlink_unicast+0x449/0x710 [ 5433.082272][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.082272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.082272][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.082272][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.082272][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.082272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.082272][ T72] [ 5433.084206][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5433.084206][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5433.084206][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5433.084206][ T72] ipv6_find_idev+0x102/0x170 [ 5433.084206][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.084206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.084206][ T72] netlink_rcv_skb+0x130/0x360 [ 5433.084206][ T72] netlink_unicast+0x449/0x710 [ 5433.084206][ T72] netlink_sendmsg+0x723/0xbe0 [ 5433.084206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5433.084206][ T72] ___sys_sendmsg+0xee/0x170 [ 5433.084206][ T72] __sys_sendmsg+0xcd/0x170 [ 5433.084206][ T72] do_syscall_64+0xc6/0x1e0 [ 5433.084206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.084206][ T72] [ 5443.328984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5443.329485][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5443.329485][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5443.329485][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5443.329485][ T72] fib6_nh_init+0xa22/0x1580 [ 5443.329485][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.329485][ T72] ip6_route_add+0x1c/0x140 [ 5443.329485][ T72] inet6_rtm_newroute+0x104/0x110 [ 5443.329485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.329485][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.329485][ T72] netlink_unicast+0x449/0x710 [ 5443.329485][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.329485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.329485][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.329485][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.329485][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.329485][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.329485][ T72] [ 5443.331416][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5443.331416][ T72] dst_init+0x84/0x4a0 [ 5443.331416][ T72] dst_alloc+0x97/0x150 [ 5443.331416][ T72] ip6_dst_alloc+0x23/0x90 [ 5443.331416][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5443.331416][ T72] ip6_pol_route+0x56f/0x840 [ 5443.331416][ T72] fib6_rule_lookup+0x456/0x630 [ 5443.331416][ T72] ip6_route_input+0x59c/0xa50 [ 5443.331416][ T72] ipv6_rcv+0x397/0x810 [ 5443.331416][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5443.331416][ T72] process_backlog+0x101/0x620 [ 5443.331416][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5443.331416][ T72] net_rx_action+0x495/0xbe0 [ 5443.331416][ T72] __do_softirq+0x1b5/0x7f6 [ 5443.331416][ T72] [ 5443.333042][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5443.333042][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.333042][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.333042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.333042][ T72] ip6_route_add+0x1c/0x140 [ 5443.333042][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5443.333042][ T72] inet6_addr_add+0x4f8/0xa40 [ 5443.333042][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.333042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.333042][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.333042][ T72] netlink_unicast+0x449/0x710 [ 5443.333042][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.333042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.333042][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.333042][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.333042][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.333042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.333042][ T72] [ 5443.335064][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5443.335064][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.335064][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.335064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.335064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5443.335064][ T72] ipv6_add_addr+0x411/0x2000 [ 5443.335064][ T72] inet6_addr_add+0x30e/0xa40 [ 5443.335064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.335064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.335064][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.335064][ T72] netlink_unicast+0x449/0x710 [ 5443.335064][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.335064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.335064][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.335064][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.335064][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.335064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.335064][ T72] [ 5443.337045][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5443.337045][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.337045][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.337045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.337045][ T72] ip6_route_add+0x1c/0x140 [ 5443.337045][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5443.337045][ T72] addrconf_add_dev+0xe2/0x170 [ 5443.337045][ T72] inet6_addr_add+0x12f/0xa40 [ 5443.337045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.337045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.337045][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.337045][ T72] netlink_unicast+0x449/0x710 [ 5443.337045][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.337045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.337045][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.337045][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.337045][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.337045][ T72] [ 5443.338968][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5443.338968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5443.338968][ T72] ipv6_find_idev+0x102/0x170 [ 5443.338968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.338968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.338968][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.338968][ T72] netlink_unicast+0x449/0x710 [ 5443.338968][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.338968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.338968][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.338968][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.338968][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.338968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.338968][ T72] [ 5443.340475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5443.340475][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5443.340475][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5443.340475][ T72] ipv6_find_idev+0x102/0x170 [ 5443.340475][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.340475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.340475][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.340475][ T72] netlink_unicast+0x449/0x710 [ 5443.340475][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.340475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.340475][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.340475][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.340475][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.340475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.340475][ T72] [ 5443.342135][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5443.342403][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5443.342403][ T72] dst_init+0x84/0x4a0 [ 5443.342403][ T72] dst_alloc+0x97/0x150 [ 5443.342403][ T72] ip6_dst_alloc+0x23/0x90 [ 5443.342403][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5443.342403][ T72] ip6_pol_route+0x56f/0x840 [ 5443.342403][ T72] fib6_rule_lookup+0x456/0x630 [ 5443.342403][ T72] ip6_route_input+0x59c/0xa50 [ 5443.342403][ T72] ipv6_rcv+0x397/0x810 [ 5443.342403][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5443.342403][ T72] process_backlog+0x101/0x620 [ 5443.342403][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5443.342403][ T72] net_rx_action+0x495/0xbe0 [ 5443.342403][ T72] __do_softirq+0x1b5/0x7f6 [ 5443.342403][ T72] [ 5443.344076][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5443.344076][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.344076][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.344076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.344076][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5443.344076][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5443.344076][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5443.344076][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5443.344076][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5443.344076][ T72] addrconf_dad_begin+0x310/0x670 [ 5443.344076][ T72] addrconf_dad_work+0x10b/0xab0 [ 5443.344076][ T72] process_one_work+0x84d/0x18a0 [ 5443.344076][ T72] worker_thread+0x587/0xd30 [ 5443.344076][ T72] kthread+0x28a/0x350 [ 5443.344076][ T72] ret_from_fork+0x31/0x70 [ 5443.344076][ T72] ret_from_fork_asm+0x1a/0x30 [ 5443.344076][ T72] [ 5443.345954][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5443.345954][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.345954][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.345954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.345954][ T72] ip6_route_add+0x1c/0x140 [ 5443.345954][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5443.345954][ T72] inet6_addr_add+0x4f8/0xa40 [ 5443.345954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.345954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.345954][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.345954][ T72] netlink_unicast+0x449/0x710 [ 5443.345954][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.345954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.345954][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.345954][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.345954][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.345954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.345954][ T72] [ 5443.347916][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5443.347916][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.347916][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.347916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.347916][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5443.347916][ T72] ipv6_add_addr+0x411/0x2000 [ 5443.347916][ T72] inet6_addr_add+0x30e/0xa40 [ 5443.347916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.347916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.347916][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.347916][ T72] netlink_unicast+0x449/0x710 [ 5443.347916][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.347916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.347916][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.347916][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.347916][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.347916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.347916][ T72] [ 5443.349870][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5443.349870][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.349870][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.349870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.349870][ T72] ip6_route_add+0x1c/0x140 [ 5443.349870][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5443.349870][ T72] addrconf_add_dev+0xe2/0x170 [ 5443.349870][ T72] inet6_addr_add+0x12f/0xa40 [ 5443.349870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.349870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.349870][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.349870][ T72] netlink_unicast+0x449/0x710 [ 5443.349870][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.349870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.349870][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.349870][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.349870][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.349870][ T72] [ 5443.351804][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5443.351804][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5443.351804][ T72] ipv6_find_idev+0x102/0x170 [ 5443.351804][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.351804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.351804][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.351804][ T72] netlink_unicast+0x449/0x710 [ 5443.351804][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.351804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.351804][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.351804][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.351804][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.351804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.351804][ T72] [ 5443.353889][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5443.353889][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5443.353889][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5443.353889][ T72] ipv6_find_idev+0x102/0x170 [ 5443.353889][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.353889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.353889][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.353889][ T72] netlink_unicast+0x449/0x710 [ 5443.353889][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.353889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.353889][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.353889][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.353889][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.353889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.353889][ T72] [ 5443.355618][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5443.355974][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5443.355974][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5443.355974][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5443.355974][ T72] fib6_nh_init+0xa22/0x1580 [ 5443.355974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.355974][ T72] ip6_route_add+0x1c/0x140 [ 5443.355974][ T72] inet6_rtm_newroute+0x104/0x110 [ 5443.355974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.355974][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.355974][ T72] netlink_unicast+0x449/0x710 [ 5443.355974][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.355974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.355974][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.355974][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.355974][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.355974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.355974][ T72] [ 5443.358124][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5443.358124][ T72] dst_init+0x84/0x4a0 [ 5443.358124][ T72] dst_alloc+0x97/0x150 [ 5443.358124][ T72] ip6_dst_alloc+0x23/0x90 [ 5443.358124][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5443.358124][ T72] ip6_pol_route+0x56f/0x840 [ 5443.358124][ T72] fib6_rule_lookup+0x456/0x630 [ 5443.358124][ T72] ip6_route_input+0x59c/0xa50 [ 5443.358124][ T72] ipv6_rcv+0x397/0x810 [ 5443.358124][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5443.358124][ T72] process_backlog+0x101/0x620 [ 5443.358124][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5443.358124][ T72] net_rx_action+0x495/0xbe0 [ 5443.358124][ T72] __do_softirq+0x1b5/0x7f6 [ 5443.358124][ T72] [ 5443.359950][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5443.359950][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.359950][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.359950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.359950][ T72] ip6_route_add+0x1c/0x140 [ 5443.359950][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5443.359950][ T72] inet6_addr_add+0x4f8/0xa40 [ 5443.359950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.359950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.359950][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.359950][ T72] netlink_unicast+0x449/0x710 [ 5443.359950][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.359950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.359950][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.359950][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.359950][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.359950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.359950][ T72] [ 5443.362215][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5443.362215][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.362215][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.362215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.362215][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5443.362215][ T72] ipv6_add_addr+0x411/0x2000 [ 5443.362215][ T72] inet6_addr_add+0x30e/0xa40 [ 5443.362215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.362215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.362215][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.362215][ T72] netlink_unicast+0x449/0x710 [ 5443.362215][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.362215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.362215][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.362215][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.362215][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.362215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.362215][ T72] [ 5443.364472][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5443.364472][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.364472][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.364472][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.364472][ T72] ip6_route_add+0x1c/0x140 [ 5443.364472][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5443.364472][ T72] addrconf_add_dev+0xe2/0x170 [ 5443.364472][ T72] inet6_addr_add+0x12f/0xa40 [ 5443.364472][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.364472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.364472][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.364472][ T72] netlink_unicast+0x449/0x710 [ 5443.364472][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.364472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.364472][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.364472][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.364472][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.364472][ T72] [ 5443.366785][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5443.366785][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5443.366785][ T72] ipv6_find_idev+0x102/0x170 [ 5443.366785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.366785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.366785][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.366785][ T72] netlink_unicast+0x449/0x710 [ 5443.366785][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.366785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.366785][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.366785][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.366785][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.366785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.366785][ T72] [ 5443.368509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5443.368509][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5443.368509][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5443.368509][ T72] ipv6_find_idev+0x102/0x170 [ 5443.368509][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.368509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.368509][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.368509][ T72] netlink_unicast+0x449/0x710 [ 5443.368509][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.368509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.368509][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.368509][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.368509][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.368509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.368509][ T72] [ 5443.370400][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5443.370677][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5443.370677][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.370677][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.370677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.370677][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5443.370677][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5443.370677][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5443.370677][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5443.370677][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5443.370677][ T72] addrconf_dad_begin+0x310/0x670 [ 5443.370677][ T72] addrconf_dad_work+0x10b/0xab0 [ 5443.370677][ T72] process_one_work+0x84d/0x18a0 [ 5443.370677][ T72] worker_thread+0x587/0xd30 [ 5443.370677][ T72] kthread+0x28a/0x350 [ 5443.370677][ T72] ret_from_fork+0x31/0x70 [ 5443.370677][ T72] ret_from_fork_asm+0x1a/0x30 [ 5443.370677][ T72] [ 5443.372849][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5443.372849][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.372849][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.372849][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.372849][ T72] ip6_route_add+0x1c/0x140 [ 5443.372849][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5443.372849][ T72] inet6_addr_add+0x4f8/0xa40 [ 5443.372849][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.372849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.372849][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.372849][ T72] netlink_unicast+0x449/0x710 [ 5443.372849][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.372849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.372849][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.372849][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.372849][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.372849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.372849][ T72] [ 5443.375114][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5443.375114][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.375114][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.375114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.375114][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5443.375114][ T72] ipv6_add_addr+0x411/0x2000 [ 5443.375114][ T72] inet6_addr_add+0x30e/0xa40 [ 5443.375114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.375114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.375114][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.375114][ T72] netlink_unicast+0x449/0x710 [ 5443.375114][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.375114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.375114][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.375114][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.375114][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.375114][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.375114][ T72] [ 5443.377366][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5443.377366][ T72] netdev_get_by_index+0x5e/0x80 [ 5443.377366][ T72] fib6_nh_init+0x3d8/0x1580 [ 5443.377366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5443.377366][ T72] ip6_route_add+0x1c/0x140 [ 5443.377366][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5443.377366][ T72] addrconf_add_dev+0xe2/0x170 [ 5443.377366][ T72] inet6_addr_add+0x12f/0xa40 [ 5443.377366][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.377366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.377366][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.377366][ T72] netlink_unicast+0x449/0x710 [ 5443.377366][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.377366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.377366][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.377366][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.377366][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.377366][ T72] [ 5443.380130][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5443.380130][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5443.380130][ T72] ipv6_find_idev+0x102/0x170 [ 5443.380130][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.380130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.380130][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.380130][ T72] netlink_unicast+0x449/0x710 [ 5443.380130][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.380130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.380130][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.380130][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.380130][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.380130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.380130][ T72] [ 5443.381841][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5443.381841][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5443.381841][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5443.381841][ T72] ipv6_find_idev+0x102/0x170 [ 5443.381841][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.381841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.381841][ T72] netlink_rcv_skb+0x130/0x360 [ 5443.381841][ T72] netlink_unicast+0x449/0x710 [ 5443.381841][ T72] netlink_sendmsg+0x723/0xbe0 [ 5443.381841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5443.381841][ T72] ___sys_sendmsg+0xee/0x170 [ 5443.381841][ T72] __sys_sendmsg+0xcd/0x170 [ 5443.381841][ T72] do_syscall_64+0xc6/0x1e0 [ 5443.381841][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.381841][ T72] [ 5453.624989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5453.625507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5453.625507][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5453.625507][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5453.625507][ T72] fib6_nh_init+0xa22/0x1580 [ 5453.625507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.625507][ T72] ip6_route_add+0x1c/0x140 [ 5453.625507][ T72] inet6_rtm_newroute+0x104/0x110 [ 5453.625507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.625507][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.625507][ T72] netlink_unicast+0x449/0x710 [ 5453.625507][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.625507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.625507][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.625507][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.625507][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.625507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.625507][ T72] [ 5453.627434][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5453.627434][ T72] dst_init+0x84/0x4a0 [ 5453.627434][ T72] dst_alloc+0x97/0x150 [ 5453.627434][ T72] ip6_dst_alloc+0x23/0x90 [ 5453.627434][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5453.627434][ T72] ip6_pol_route+0x56f/0x840 [ 5453.627434][ T72] fib6_rule_lookup+0x456/0x630 [ 5453.627434][ T72] ip6_route_input+0x59c/0xa50 [ 5453.627434][ T72] ipv6_rcv+0x397/0x810 [ 5453.627434][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5453.627434][ T72] process_backlog+0x101/0x620 [ 5453.627434][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5453.627434][ T72] net_rx_action+0x495/0xbe0 [ 5453.627434][ T72] __do_softirq+0x1b5/0x7f6 [ 5453.627434][ T72] [ 5453.629100][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5453.629100][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.629100][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.629100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.629100][ T72] ip6_route_add+0x1c/0x140 [ 5453.629100][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5453.629100][ T72] inet6_addr_add+0x4f8/0xa40 [ 5453.629100][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.629100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.629100][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.629100][ T72] netlink_unicast+0x449/0x710 [ 5453.629100][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.629100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.629100][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.629100][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.629100][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.629100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.629100][ T72] [ 5453.631134][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5453.631134][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.631134][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.631134][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.631134][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5453.631134][ T72] ipv6_add_addr+0x411/0x2000 [ 5453.631134][ T72] inet6_addr_add+0x30e/0xa40 [ 5453.631134][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.631134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.631134][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.631134][ T72] netlink_unicast+0x449/0x710 [ 5453.631134][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.631134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.631134][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.631134][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.631134][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.631134][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.631134][ T72] [ 5453.633167][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5453.633167][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.633167][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.633167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.633167][ T72] ip6_route_add+0x1c/0x140 [ 5453.633167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5453.633167][ T72] addrconf_add_dev+0xe2/0x170 [ 5453.633167][ T72] inet6_addr_add+0x12f/0xa40 [ 5453.633167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.633167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.633167][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.633167][ T72] netlink_unicast+0x449/0x710 [ 5453.633167][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.633167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.633167][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.633167][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.633167][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.633167][ T72] [ 5453.635143][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5453.635143][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5453.635143][ T72] ipv6_find_idev+0x102/0x170 [ 5453.635143][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5453.635143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.635143][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.635143][ T72] netlink_unicast+0x449/0x710 [ 5453.635143][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.635143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.635143][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.635143][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.635143][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.635143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.635143][ T72] [ 5453.636706][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5453.636706][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5453.636706][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5453.636706][ T72] ipv6_find_idev+0x102/0x170 [ 5453.636706][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5453.636706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.636706][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.636706][ T72] netlink_unicast+0x449/0x710 [ 5453.636706][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.636706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.636706][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.636706][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.636706][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.636706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.636706][ T72] [ 5453.638425][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5453.638701][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5453.638701][ T72] dst_init+0x84/0x4a0 [ 5453.638701][ T72] dst_alloc+0x97/0x150 [ 5453.638701][ T72] ip6_dst_alloc+0x23/0x90 [ 5453.638701][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5453.638701][ T72] ip6_pol_route+0x56f/0x840 [ 5453.638701][ T72] fib6_rule_lookup+0x456/0x630 [ 5453.638701][ T72] ip6_route_input+0x59c/0xa50 [ 5453.638701][ T72] ipv6_rcv+0x397/0x810 [ 5453.638701][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5453.638701][ T72] process_backlog+0x101/0x620 [ 5453.638701][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5453.638701][ T72] net_rx_action+0x495/0xbe0 [ 5453.638701][ T72] __do_softirq+0x1b5/0x7f6 [ 5453.638701][ T72] [ 5453.640354][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5453.640354][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.640354][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.640354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.640354][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5453.640354][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5453.640354][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5453.640354][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5453.640354][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5453.640354][ T72] addrconf_dad_begin+0x310/0x670 [ 5453.640354][ T72] addrconf_dad_work+0x10b/0xab0 [ 5453.640354][ T72] process_one_work+0x84d/0x18a0 [ 5453.640354][ T72] worker_thread+0x587/0xd30 [ 5453.640354][ T72] kthread+0x28a/0x350 [ 5453.640354][ T72] ret_from_fork+0x31/0x70 [ 5453.640354][ T72] ret_from_fork_asm+0x1a/0x30 [ 5453.640354][ T72] [ 5453.642271][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5453.642271][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.642271][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.642271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.642271][ T72] ip6_route_add+0x1c/0x140 [ 5453.642271][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5453.642271][ T72] inet6_addr_add+0x4f8/0xa40 [ 5453.642271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.642271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.642271][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.642271][ T72] netlink_unicast+0x449/0x710 [ 5453.642271][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.642271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.642271][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.642271][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.642271][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.642271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.642271][ T72] [ 5453.644298][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5453.644298][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.644298][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.644298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.644298][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5453.644298][ T72] ipv6_add_addr+0x411/0x2000 [ 5453.644298][ T72] inet6_addr_add+0x30e/0xa40 [ 5453.644298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.644298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.644298][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.644298][ T72] netlink_unicast+0x449/0x710 [ 5453.644298][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.644298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.644298][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.644298][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.644298][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.644298][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.644298][ T72] [ 5453.646320][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5453.646320][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.646320][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.646320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.646320][ T72] ip6_route_add+0x1c/0x140 [ 5453.646320][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5453.646320][ T72] addrconf_add_dev+0xe2/0x170 [ 5453.646320][ T72] inet6_addr_add+0x12f/0xa40 [ 5453.646320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.646320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.646320][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.646320][ T72] netlink_unicast+0x449/0x710 [ 5453.646320][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.646320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.646320][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.646320][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.646320][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.646320][ T72] [ 5453.648297][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5453.648297][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5453.648297][ T72] ipv6_find_idev+0x102/0x170 [ 5453.648297][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5453.648297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.648297][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.648297][ T72] netlink_unicast+0x449/0x710 [ 5453.648297][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.648297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.648297][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.648297][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.648297][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.648297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.648297][ T72] [ 5453.649841][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5453.649841][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5453.649841][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5453.649841][ T72] ipv6_find_idev+0x102/0x170 [ 5453.649841][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5453.649841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.649841][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.649841][ T72] netlink_unicast+0x449/0x710 [ 5453.649841][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.649841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.649841][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.649841][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.649841][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.649841][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.649841][ T72] [ 5453.651602][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5453.651946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5453.651946][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5453.651946][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5453.651946][ T72] fib6_nh_init+0xa22/0x1580 [ 5453.651946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.651946][ T72] ip6_route_add+0x1c/0x140 [ 5453.651946][ T72] inet6_rtm_newroute+0x104/0x110 [ 5453.651946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.651946][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.651946][ T72] netlink_unicast+0x449/0x710 [ 5453.651946][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.651946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.651946][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.651946][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.651946][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.651946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.651946][ T72] [ 5453.654092][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5453.654092][ T72] dst_init+0x84/0x4a0 [ 5453.654092][ T72] dst_alloc+0x97/0x150 [ 5453.654092][ T72] ip6_dst_alloc+0x23/0x90 [ 5453.654092][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5453.654092][ T72] ip6_pol_route+0x56f/0x840 [ 5453.654092][ T72] fib6_rule_lookup+0x456/0x630 [ 5453.654092][ T72] ip6_route_input+0x59c/0xa50 [ 5453.654092][ T72] ipv6_rcv+0x397/0x810 [ 5453.654092][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5453.654092][ T72] process_backlog+0x101/0x620 [ 5453.654092][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5453.654092][ T72] net_rx_action+0x495/0xbe0 [ 5453.654092][ T72] __do_softirq+0x1b5/0x7f6 [ 5453.654092][ T72] [ 5453.655915][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5453.655915][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.655915][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.655915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.655915][ T72] ip6_route_add+0x1c/0x140 [ 5453.655915][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5453.655915][ T72] inet6_addr_add+0x4f8/0xa40 [ 5453.655915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.655915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.655915][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.655915][ T72] netlink_unicast+0x449/0x710 [ 5453.655915][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.655915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.655915][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.655915][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.655915][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.655915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.655915][ T72] [ 5453.658166][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5453.658166][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.658166][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.658166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.658166][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5453.658166][ T72] ipv6_add_addr+0x411/0x2000 [ 5453.658166][ T72] inet6_addr_add+0x30e/0xa40 [ 5453.658166][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.658166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.658166][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.658166][ T72] netlink_unicast+0x449/0x710 [ 5453.658166][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.658166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.658166][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.658166][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.658166][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.658166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.658166][ T72] [ 5453.660411][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5453.660411][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.660411][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.660411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.660411][ T72] ip6_route_add+0x1c/0x140 [ 5453.660411][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5453.660411][ T72] addrconf_add_dev+0xe2/0x170 [ 5453.660411][ T72] inet6_addr_add+0x12f/0xa40 [ 5453.660411][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.660411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.660411][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.660411][ T72] netlink_unicast+0x449/0x710 [ 5453.660411][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.660411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.660411][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.660411][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.660411][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.660411][ T72] [ 5453.662692][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5453.662692][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5453.662692][ T72] ipv6_find_idev+0x102/0x170 [ 5453.662692][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5453.662692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.662692][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.662692][ T72] netlink_unicast+0x449/0x710 [ 5453.662692][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.662692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.662692][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.662692][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.662692][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.662692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.662692][ T72] [ 5453.664438][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5453.664438][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5453.664438][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5453.664438][ T72] ipv6_find_idev+0x102/0x170 [ 5453.664438][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5453.664438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.664438][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.664438][ T72] netlink_unicast+0x449/0x710 [ 5453.664438][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.664438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.664438][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.664438][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.664438][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.664438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.664438][ T72] [ 5453.666310][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5453.666583][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5453.666583][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.666583][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.666583][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.666583][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5453.666583][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5453.666583][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5453.666583][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5453.666583][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5453.666583][ T72] addrconf_dad_begin+0x310/0x670 [ 5453.666583][ T72] addrconf_dad_work+0x10b/0xab0 [ 5453.666583][ T72] process_one_work+0x84d/0x18a0 [ 5453.666583][ T72] worker_thread+0x587/0xd30 [ 5453.666583][ T72] kthread+0x28a/0x350 [ 5453.666583][ T72] ret_from_fork+0x31/0x70 [ 5453.666583][ T72] ret_from_fork_asm+0x1a/0x30 [ 5453.666583][ T72] [ 5453.668772][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5453.668772][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.668772][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.668772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.668772][ T72] ip6_route_add+0x1c/0x140 [ 5453.668772][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5453.668772][ T72] inet6_addr_add+0x4f8/0xa40 [ 5453.668772][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.668772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.668772][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.668772][ T72] netlink_unicast+0x449/0x710 [ 5453.668772][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.668772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.668772][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.668772][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.668772][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.668772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.668772][ T72] [ 5453.671053][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5453.671053][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.671053][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.671053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.671053][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5453.671053][ T72] ipv6_add_addr+0x411/0x2000 [ 5453.671053][ T72] inet6_addr_add+0x30e/0xa40 [ 5453.671053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.671053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.671053][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.671053][ T72] netlink_unicast+0x449/0x710 [ 5453.671053][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.671053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.671053][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.671053][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.671053][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.671053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.671053][ T72] [ 5453.673383][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5453.673383][ T72] netdev_get_by_index+0x5e/0x80 [ 5453.673383][ T72] fib6_nh_init+0x3d8/0x1580 [ 5453.673383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5453.673383][ T72] ip6_route_add+0x1c/0x140 [ 5453.673383][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5453.673383][ T72] addrconf_add_dev+0xe2/0x170 [ 5453.673383][ T72] inet6_addr_add+0x12f/0xa40 [ 5453.673383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5453.673383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.673383][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.673383][ T72] netlink_unicast+0x449/0x710 [ 5453.673383][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.673383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.673383][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.673383][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.673383][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.673383][ T72] [ 5453.675543][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5453.675543][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5453.675543][ T72] ipv6_find_idev+0x102/0x170 [ 5453.675543][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5453.675543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.675543][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.675543][ T72] netlink_unicast+0x449/0x710 [ 5453.675543][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.675543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.675543][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.675543][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.675543][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.675543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.675543][ T72] [ 5453.677290][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5453.677290][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5453.677290][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5453.677290][ T72] ipv6_find_idev+0x102/0x170 [ 5453.677290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5453.677290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5453.677290][ T72] netlink_rcv_skb+0x130/0x360 [ 5453.677290][ T72] netlink_unicast+0x449/0x710 [ 5453.677290][ T72] netlink_sendmsg+0x723/0xbe0 [ 5453.677290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5453.677290][ T72] ___sys_sendmsg+0xee/0x170 [ 5453.677290][ T72] __sys_sendmsg+0xcd/0x170 [ 5453.677290][ T72] do_syscall_64+0xc6/0x1e0 [ 5453.677290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5453.677290][ T72] [ 5463.704998][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5463.705993][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5463.705993][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5463.705993][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5463.705993][ T72] fib6_nh_init+0xa22/0x1580 [ 5463.705993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.705993][ T72] ip6_route_add+0x1c/0x140 [ 5463.705993][ T72] inet6_rtm_newroute+0x104/0x110 [ 5463.705993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.705993][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.705993][ T72] netlink_unicast+0x449/0x710 [ 5463.705993][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.705993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.705993][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.705993][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.705993][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.705993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.705993][ T72] [ 5463.708168][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5463.708168][ T72] dst_init+0x84/0x4a0 [ 5463.708168][ T72] dst_alloc+0x97/0x150 [ 5463.708168][ T72] ip6_dst_alloc+0x23/0x90 [ 5463.708168][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5463.708168][ T72] ip6_pol_route+0x56f/0x840 [ 5463.708168][ T72] fib6_rule_lookup+0x456/0x630 [ 5463.708168][ T72] ip6_route_input+0x59c/0xa50 [ 5463.708168][ T72] ipv6_rcv+0x397/0x810 [ 5463.708168][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5463.708168][ T72] process_backlog+0x101/0x620 [ 5463.708168][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5463.708168][ T72] net_rx_action+0x495/0xbe0 [ 5463.708168][ T72] __do_softirq+0x1b5/0x7f6 [ 5463.708168][ T72] [ 5463.710055][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5463.710055][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.710055][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.710055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.710055][ T72] ip6_route_add+0x1c/0x140 [ 5463.710055][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5463.710055][ T72] inet6_addr_add+0x4f8/0xa40 [ 5463.710055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.710055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.710055][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.710055][ T72] netlink_unicast+0x449/0x710 [ 5463.710055][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.710055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.710055][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.710055][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.710055][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.710055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.710055][ T72] [ 5463.712316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5463.712316][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.712316][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.712316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.712316][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5463.712316][ T72] ipv6_add_addr+0x411/0x2000 [ 5463.712316][ T72] inet6_addr_add+0x30e/0xa40 [ 5463.712316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.712316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.712316][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.712316][ T72] netlink_unicast+0x449/0x710 [ 5463.712316][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.712316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.712316][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.712316][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.712316][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.712316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.712316][ T72] [ 5463.714585][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5463.714585][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.714585][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.714585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.714585][ T72] ip6_route_add+0x1c/0x140 [ 5463.714585][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5463.714585][ T72] addrconf_add_dev+0xe2/0x170 [ 5463.714585][ T72] inet6_addr_add+0x12f/0xa40 [ 5463.714585][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.714585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.714585][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.714585][ T72] netlink_unicast+0x449/0x710 [ 5463.714585][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.714585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.714585][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.714585][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.714585][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.714585][ T72] [ 5463.716806][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5463.716806][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5463.716806][ T72] ipv6_find_idev+0x102/0x170 [ 5463.716806][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5463.716806][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.716806][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.716806][ T72] netlink_unicast+0x449/0x710 [ 5463.716806][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.716806][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.716806][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.716806][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.716806][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.716806][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.716806][ T72] [ 5463.718572][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5463.718572][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5463.718572][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5463.718572][ T72] ipv6_find_idev+0x102/0x170 [ 5463.718572][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5463.718572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.718572][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.718572][ T72] netlink_unicast+0x449/0x710 [ 5463.718572][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.718572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.718572][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.718572][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.718572][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.718572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.718572][ T72] [ 5463.720501][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5463.720802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5463.720802][ T72] dst_init+0x84/0x4a0 [ 5463.720802][ T72] dst_alloc+0x97/0x150 [ 5463.720802][ T72] ip6_dst_alloc+0x23/0x90 [ 5463.720802][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5463.720802][ T72] ip6_pol_route+0x56f/0x840 [ 5463.720802][ T72] fib6_rule_lookup+0x456/0x630 [ 5463.720802][ T72] ip6_route_input+0x59c/0xa50 [ 5463.720802][ T72] ipv6_rcv+0x397/0x810 [ 5463.720802][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5463.720802][ T72] process_backlog+0x101/0x620 [ 5463.720802][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5463.720802][ T72] net_rx_action+0x495/0xbe0 [ 5463.720802][ T72] __do_softirq+0x1b5/0x7f6 [ 5463.720802][ T72] [ 5463.722673][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5463.722673][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.722673][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.722673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.722673][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5463.722673][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5463.722673][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5463.722673][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5463.722673][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5463.722673][ T72] addrconf_dad_begin+0x310/0x670 [ 5463.722673][ T72] addrconf_dad_work+0x10b/0xab0 [ 5463.722673][ T72] process_one_work+0x84d/0x18a0 [ 5463.722673][ T72] worker_thread+0x587/0xd30 [ 5463.722673][ T72] kthread+0x28a/0x350 [ 5463.722673][ T72] ret_from_fork+0x31/0x70 [ 5463.722673][ T72] ret_from_fork_asm+0x1a/0x30 [ 5463.722673][ T72] [ 5463.724808][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5463.724808][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.724808][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.724808][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.724808][ T72] ip6_route_add+0x1c/0x140 [ 5463.724808][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5463.724808][ T72] inet6_addr_add+0x4f8/0xa40 [ 5463.724808][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.724808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.724808][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.724808][ T72] netlink_unicast+0x449/0x710 [ 5463.724808][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.724808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.724808][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.724808][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.724808][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.724808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.724808][ T72] [ 5463.727067][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5463.727067][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.727067][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.727067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.727067][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5463.727067][ T72] ipv6_add_addr+0x411/0x2000 [ 5463.727067][ T72] inet6_addr_add+0x30e/0xa40 [ 5463.727067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.727067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.727067][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.727067][ T72] netlink_unicast+0x449/0x710 [ 5463.727067][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.727067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.727067][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.727067][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.727067][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.727067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.727067][ T72] [ 5463.729292][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5463.729292][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.729292][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.729292][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.729292][ T72] ip6_route_add+0x1c/0x140 [ 5463.729292][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5463.729292][ T72] addrconf_add_dev+0xe2/0x170 [ 5463.729292][ T72] inet6_addr_add+0x12f/0xa40 [ 5463.729292][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.729292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.729292][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.729292][ T72] netlink_unicast+0x449/0x710 [ 5463.729292][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.729292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.729292][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.729292][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.729292][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.729292][ T72] [ 5463.731457][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5463.731457][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5463.731457][ T72] ipv6_find_idev+0x102/0x170 [ 5463.731457][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5463.731457][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.731457][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.731457][ T72] netlink_unicast+0x449/0x710 [ 5463.731457][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.731457][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.731457][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.731457][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.731457][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.731457][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.731457][ T72] [ 5463.733196][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5463.733196][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5463.733196][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5463.733196][ T72] ipv6_find_idev+0x102/0x170 [ 5463.733196][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5463.733196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.733196][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.733196][ T72] netlink_unicast+0x449/0x710 [ 5463.733196][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.733196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.733196][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.733196][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.733196][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.733196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.733196][ T72] [ 5463.735215][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5463.735517][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5463.735517][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5463.735517][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5463.735517][ T72] fib6_nh_init+0xa22/0x1580 [ 5463.735517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.735517][ T72] ip6_route_add+0x1c/0x140 [ 5463.735517][ T72] inet6_rtm_newroute+0x104/0x110 [ 5463.735517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.735517][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.735517][ T72] netlink_unicast+0x449/0x710 [ 5463.735517][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.735517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.735517][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.735517][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.735517][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.735517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.735517][ T72] [ 5463.737916][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5463.737916][ T72] dst_init+0x84/0x4a0 [ 5463.737916][ T72] dst_alloc+0x97/0x150 [ 5463.737916][ T72] ip6_dst_alloc+0x23/0x90 [ 5463.737916][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5463.737916][ T72] ip6_pol_route+0x56f/0x840 [ 5463.737916][ T72] fib6_rule_lookup+0x456/0x630 [ 5463.737916][ T72] ip6_route_input+0x59c/0xa50 [ 5463.737916][ T72] ipv6_rcv+0x397/0x810 [ 5463.737916][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5463.737916][ T72] process_backlog+0x101/0x620 [ 5463.737916][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5463.737916][ T72] net_rx_action+0x495/0xbe0 [ 5463.737916][ T72] __do_softirq+0x1b5/0x7f6 [ 5463.737916][ T72] [ 5463.739932][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5463.739932][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.739932][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.739932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.739932][ T72] ip6_route_add+0x1c/0x140 [ 5463.739932][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5463.739932][ T72] inet6_addr_add+0x4f8/0xa40 [ 5463.739932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.739932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.739932][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.739932][ T72] netlink_unicast+0x449/0x710 [ 5463.739932][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.739932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.739932][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.739932][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.739932][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.739932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.739932][ T72] [ 5463.742454][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5463.742454][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.742454][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.742454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.742454][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5463.742454][ T72] ipv6_add_addr+0x411/0x2000 [ 5463.742454][ T72] inet6_addr_add+0x30e/0xa40 [ 5463.742454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.742454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.742454][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.742454][ T72] netlink_unicast+0x449/0x710 [ 5463.742454][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.742454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.742454][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.742454][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.742454][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.742454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.742454][ T72] [ 5463.744887][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5463.744887][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.744887][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.744887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.744887][ T72] ip6_route_add+0x1c/0x140 [ 5463.744887][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5463.744887][ T72] addrconf_add_dev+0xe2/0x170 [ 5463.744887][ T72] inet6_addr_add+0x12f/0xa40 [ 5463.744887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.744887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.744887][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.744887][ T72] netlink_unicast+0x449/0x710 [ 5463.744887][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.744887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.744887][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.744887][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.744887][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.744887][ T72] [ 5463.747381][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5463.747381][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5463.747381][ T72] ipv6_find_idev+0x102/0x170 [ 5463.747381][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5463.747381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.747381][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.747381][ T72] netlink_unicast+0x449/0x710 [ 5463.747381][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.747381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.747381][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.747381][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.747381][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.747381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.747381][ T72] [ 5463.749329][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5463.749329][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5463.749329][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5463.749329][ T72] ipv6_find_idev+0x102/0x170 [ 5463.749329][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5463.749329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.749329][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.749329][ T72] netlink_unicast+0x449/0x710 [ 5463.749329][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.749329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.749329][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.749329][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.749329][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.749329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.749329][ T72] [ 5463.751446][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5463.751739][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5463.751739][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.751739][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.751739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.751739][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5463.751739][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5463.751739][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5463.751739][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5463.751739][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5463.751739][ T72] addrconf_dad_begin+0x310/0x670 [ 5463.751739][ T72] addrconf_dad_work+0x10b/0xab0 [ 5463.751739][ T72] process_one_work+0x84d/0x18a0 [ 5463.751739][ T72] worker_thread+0x587/0xd30 [ 5463.751739][ T72] kthread+0x28a/0x350 [ 5463.751739][ T72] ret_from_fork+0x31/0x70 [ 5463.751739][ T72] ret_from_fork_asm+0x1a/0x30 [ 5463.751739][ T72] [ 5463.754143][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5463.754143][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.754143][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.754143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.754143][ T72] ip6_route_add+0x1c/0x140 [ 5463.754143][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5463.754143][ T72] inet6_addr_add+0x4f8/0xa40 [ 5463.754143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.754143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.754143][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.754143][ T72] netlink_unicast+0x449/0x710 [ 5463.754143][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.754143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.754143][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.754143][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.754143][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.754143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.754143][ T72] [ 5463.756608][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5463.756608][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.756608][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.756608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.756608][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5463.756608][ T72] ipv6_add_addr+0x411/0x2000 [ 5463.756608][ T72] inet6_addr_add+0x30e/0xa40 [ 5463.756608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.756608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.756608][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.756608][ T72] netlink_unicast+0x449/0x710 [ 5463.756608][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.756608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.756608][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.756608][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.756608][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.756608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.756608][ T72] [ 5463.759128][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5463.759128][ T72] netdev_get_by_index+0x5e/0x80 [ 5463.759128][ T72] fib6_nh_init+0x3d8/0x1580 [ 5463.759128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5463.759128][ T72] ip6_route_add+0x1c/0x140 [ 5463.759128][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5463.759128][ T72] addrconf_add_dev+0xe2/0x170 [ 5463.759128][ T72] inet6_addr_add+0x12f/0xa40 [ 5463.759128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5463.759128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.759128][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.759128][ T72] netlink_unicast+0x449/0x710 [ 5463.759128][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.759128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.759128][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.759128][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.759128][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.759128][ T72] [ 5463.761465][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5463.761465][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5463.761465][ T72] ipv6_find_idev+0x102/0x170 [ 5463.761465][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5463.761465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.761465][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.761465][ T72] netlink_unicast+0x449/0x710 [ 5463.761465][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.761465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.761465][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.761465][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.761465][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.761465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.761465][ T72] [ 5463.763391][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5463.763391][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5463.763391][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5463.763391][ T72] ipv6_find_idev+0x102/0x170 [ 5463.763391][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5463.763391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5463.763391][ T72] netlink_rcv_skb+0x130/0x360 [ 5463.763391][ T72] netlink_unicast+0x449/0x710 [ 5463.763391][ T72] netlink_sendmsg+0x723/0xbe0 [ 5463.763391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5463.763391][ T72] ___sys_sendmsg+0xee/0x170 [ 5463.763391][ T72] __sys_sendmsg+0xcd/0x170 [ 5463.763391][ T72] do_syscall_64+0xc6/0x1e0 [ 5463.763391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5463.763391][ T72] [ 5474.000918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5474.001409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5474.001409][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5474.001409][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5474.001409][ T72] fib6_nh_init+0xa22/0x1580 [ 5474.001409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.001409][ T72] ip6_route_add+0x1c/0x140 [ 5474.001409][ T72] inet6_rtm_newroute+0x104/0x110 [ 5474.001409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.001409][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.001409][ T72] netlink_unicast+0x449/0x710 [ 5474.001409][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.001409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.001409][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.001409][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.001409][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.001409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.001409][ T72] [ 5474.003559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5474.003559][ T72] dst_init+0x84/0x4a0 [ 5474.003559][ T72] dst_alloc+0x97/0x150 [ 5474.003559][ T72] ip6_dst_alloc+0x23/0x90 [ 5474.003559][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5474.003559][ T72] ip6_pol_route+0x56f/0x840 [ 5474.003559][ T72] fib6_rule_lookup+0x456/0x630 [ 5474.003559][ T72] ip6_route_input+0x59c/0xa50 [ 5474.003559][ T72] ipv6_rcv+0x397/0x810 [ 5474.003559][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5474.003559][ T72] process_backlog+0x101/0x620 [ 5474.003559][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5474.003559][ T72] net_rx_action+0x495/0xbe0 [ 5474.003559][ T72] __do_softirq+0x1b5/0x7f6 [ 5474.003559][ T72] [ 5474.005410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5474.005410][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.005410][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.005410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.005410][ T72] ip6_route_add+0x1c/0x140 [ 5474.005410][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5474.005410][ T72] inet6_addr_add+0x4f8/0xa40 [ 5474.005410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.005410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.005410][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.005410][ T72] netlink_unicast+0x449/0x710 [ 5474.005410][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.005410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.005410][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.005410][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.005410][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.005410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.005410][ T72] [ 5474.007679][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5474.007679][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.007679][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.007679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.007679][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5474.007679][ T72] ipv6_add_addr+0x411/0x2000 [ 5474.007679][ T72] inet6_addr_add+0x30e/0xa40 [ 5474.007679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.007679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.007679][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.007679][ T72] netlink_unicast+0x449/0x710 [ 5474.007679][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.007679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.007679][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.007679][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.007679][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.007679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.007679][ T72] [ 5474.009925][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5474.009925][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.009925][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.009925][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.009925][ T72] ip6_route_add+0x1c/0x140 [ 5474.009925][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.009925][ T72] addrconf_add_dev+0xe2/0x170 [ 5474.009925][ T72] inet6_addr_add+0x12f/0xa40 [ 5474.009925][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.009925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.009925][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.009925][ T72] netlink_unicast+0x449/0x710 [ 5474.009925][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.009925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.009925][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.009925][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.009925][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.009925][ T72] [ 5474.012141][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5474.012141][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5474.012141][ T72] ipv6_find_idev+0x102/0x170 [ 5474.012141][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.012141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.012141][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.012141][ T72] netlink_unicast+0x449/0x710 [ 5474.012141][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.012141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.012141][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.012141][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.012141][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.012141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.012141][ T72] [ 5474.013910][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5474.013910][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5474.013910][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5474.013910][ T72] ipv6_find_idev+0x102/0x170 [ 5474.013910][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.013910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.013910][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.013910][ T72] netlink_unicast+0x449/0x710 [ 5474.013910][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.013910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.013910][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.013910][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.013910][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.013910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.013910][ T72] [ 5474.015819][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5474.016133][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5474.016133][ T72] dst_init+0x84/0x4a0 [ 5474.016133][ T72] dst_alloc+0x97/0x150 [ 5474.016133][ T72] ip6_dst_alloc+0x23/0x90 [ 5474.016133][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5474.016133][ T72] ip6_pol_route+0x56f/0x840 [ 5474.016133][ T72] fib6_rule_lookup+0x456/0x630 [ 5474.016133][ T72] ip6_route_input+0x59c/0xa50 [ 5474.016133][ T72] ipv6_rcv+0x397/0x810 [ 5474.016133][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5474.016133][ T72] process_backlog+0x101/0x620 [ 5474.016133][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5474.016133][ T72] net_rx_action+0x495/0xbe0 [ 5474.016133][ T72] __do_softirq+0x1b5/0x7f6 [ 5474.016133][ T72] [ 5474.017984][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5474.017984][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.017984][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.017984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.017984][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5474.017984][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5474.017984][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5474.017984][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5474.017984][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5474.017984][ T72] addrconf_dad_begin+0x310/0x670 [ 5474.017984][ T72] addrconf_dad_work+0x10b/0xab0 [ 5474.017984][ T72] process_one_work+0x84d/0x18a0 [ 5474.017984][ T72] worker_thread+0x587/0xd30 [ 5474.017984][ T72] kthread+0x28a/0x350 [ 5474.017984][ T72] ret_from_fork+0x31/0x70 [ 5474.017984][ T72] ret_from_fork_asm+0x1a/0x30 [ 5474.017984][ T72] [ 5474.020083][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5474.020083][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.020083][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.020083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.020083][ T72] ip6_route_add+0x1c/0x140 [ 5474.020083][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5474.020083][ T72] inet6_addr_add+0x4f8/0xa40 [ 5474.020083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.020083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.020083][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.020083][ T72] netlink_unicast+0x449/0x710 [ 5474.020083][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.020083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.020083][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.020083][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.020083][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.020083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.020083][ T72] [ 5474.022319][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5474.022319][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.022319][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.022319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.022319][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5474.022319][ T72] ipv6_add_addr+0x411/0x2000 [ 5474.022319][ T72] inet6_addr_add+0x30e/0xa40 [ 5474.022319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.022319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.022319][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.022319][ T72] netlink_unicast+0x449/0x710 [ 5474.022319][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.022319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.022319][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.022319][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.022319][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.022319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.022319][ T72] [ 5474.024607][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5474.024607][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.024607][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.024607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.024607][ T72] ip6_route_add+0x1c/0x140 [ 5474.024607][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.024607][ T72] addrconf_add_dev+0xe2/0x170 [ 5474.024607][ T72] inet6_addr_add+0x12f/0xa40 [ 5474.024607][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.024607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.024607][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.024607][ T72] netlink_unicast+0x449/0x710 [ 5474.024607][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.024607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.024607][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.024607][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.024607][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.024607][ T72] [ 5474.026797][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5474.026797][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5474.026797][ T72] ipv6_find_idev+0x102/0x170 [ 5474.026797][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.026797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.026797][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.026797][ T72] netlink_unicast+0x449/0x710 [ 5474.026797][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.026797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.026797][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.026797][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.026797][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.026797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.026797][ T72] [ 5474.028486][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5474.028486][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5474.028486][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5474.028486][ T72] ipv6_find_idev+0x102/0x170 [ 5474.028486][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.028486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.028486][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.028486][ T72] netlink_unicast+0x449/0x710 [ 5474.028486][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.028486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.028486][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.028486][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.028486][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.028486][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.028486][ T72] [ 5474.030468][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5474.030761][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5474.030761][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5474.030761][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5474.030761][ T72] fib6_nh_init+0xa22/0x1580 [ 5474.030761][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.030761][ T72] ip6_route_add+0x1c/0x140 [ 5474.030761][ T72] inet6_rtm_newroute+0x104/0x110 [ 5474.030761][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.030761][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.030761][ T72] netlink_unicast+0x449/0x710 [ 5474.030761][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.030761][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.030761][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.030761][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.030761][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.030761][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.030761][ T72] [ 5474.033186][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5474.033186][ T72] dst_init+0x84/0x4a0 [ 5474.033186][ T72] dst_alloc+0x97/0x150 [ 5474.033186][ T72] ip6_dst_alloc+0x23/0x90 [ 5474.033186][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5474.033186][ T72] ip6_pol_route+0x56f/0x840 [ 5474.033186][ T72] fib6_rule_lookup+0x456/0x630 [ 5474.033186][ T72] ip6_route_input+0x59c/0xa50 [ 5474.033186][ T72] ipv6_rcv+0x397/0x810 [ 5474.033186][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5474.033186][ T72] process_backlog+0x101/0x620 [ 5474.033186][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5474.033186][ T72] net_rx_action+0x495/0xbe0 [ 5474.033186][ T72] __do_softirq+0x1b5/0x7f6 [ 5474.033186][ T72] [ 5474.035111][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5474.035111][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.035111][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.035111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.035111][ T72] ip6_route_add+0x1c/0x140 [ 5474.035111][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5474.035111][ T72] inet6_addr_add+0x4f8/0xa40 [ 5474.035111][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.035111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.035111][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.035111][ T72] netlink_unicast+0x449/0x710 [ 5474.035111][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.035111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.035111][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.035111][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.035111][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.035111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.035111][ T72] [ 5474.037477][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5474.037477][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.037477][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.037477][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.037477][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5474.037477][ T72] ipv6_add_addr+0x411/0x2000 [ 5474.037477][ T72] inet6_addr_add+0x30e/0xa40 [ 5474.037477][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.037477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.037477][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.037477][ T72] netlink_unicast+0x449/0x710 [ 5474.037477][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.037477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.037477][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.037477][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.037477][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.037477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.037477][ T72] [ 5474.039871][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5474.039871][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.039871][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.039871][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.039871][ T72] ip6_route_add+0x1c/0x140 [ 5474.039871][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.039871][ T72] addrconf_add_dev+0xe2/0x170 [ 5474.039871][ T72] inet6_addr_add+0x12f/0xa40 [ 5474.039871][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.039871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.039871][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.039871][ T72] netlink_unicast+0x449/0x710 [ 5474.039871][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.039871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.039871][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.039871][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.039871][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.039871][ T72] [ 5474.042264][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5474.042264][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5474.042264][ T72] ipv6_find_idev+0x102/0x170 [ 5474.042264][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.042264][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.042264][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.042264][ T72] netlink_unicast+0x449/0x710 [ 5474.042264][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.042264][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.042264][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.042264][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.042264][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.042264][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.042264][ T72] [ 5474.044131][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5474.044131][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5474.044131][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5474.044131][ T72] ipv6_find_idev+0x102/0x170 [ 5474.044131][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.044131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.044131][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.044131][ T72] netlink_unicast+0x449/0x710 [ 5474.044131][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.044131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.044131][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.044131][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.044131][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.044131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.044131][ T72] [ 5474.046189][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5474.046492][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5474.046492][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.046492][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.046492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.046492][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5474.046492][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5474.046492][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5474.046492][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5474.046492][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5474.046492][ T72] addrconf_dad_begin+0x310/0x670 [ 5474.046492][ T72] addrconf_dad_work+0x10b/0xab0 [ 5474.046492][ T72] process_one_work+0x84d/0x18a0 [ 5474.046492][ T72] worker_thread+0x587/0xd30 [ 5474.046492][ T72] kthread+0x28a/0x350 [ 5474.046492][ T72] ret_from_fork+0x31/0x70 [ 5474.046492][ T72] ret_from_fork_asm+0x1a/0x30 [ 5474.046492][ T72] [ 5474.048846][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5474.048846][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.048846][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.048846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.048846][ T72] ip6_route_add+0x1c/0x140 [ 5474.048846][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5474.048846][ T72] inet6_addr_add+0x4f8/0xa40 [ 5474.048846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.048846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.048846][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.048846][ T72] netlink_unicast+0x449/0x710 [ 5474.048846][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.048846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.048846][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.048846][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.048846][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.048846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.048846][ T72] [ 5474.051257][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5474.051257][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.051257][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.051257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.051257][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5474.051257][ T72] ipv6_add_addr+0x411/0x2000 [ 5474.051257][ T72] inet6_addr_add+0x30e/0xa40 [ 5474.051257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.051257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.051257][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.051257][ T72] netlink_unicast+0x449/0x710 [ 5474.051257][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.051257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.051257][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.051257][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.051257][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.051257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.051257][ T72] [ 5474.053753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5474.053753][ T72] netdev_get_by_index+0x5e/0x80 [ 5474.053753][ T72] fib6_nh_init+0x3d8/0x1580 [ 5474.053753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5474.053753][ T72] ip6_route_add+0x1c/0x140 [ 5474.053753][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.053753][ T72] addrconf_add_dev+0xe2/0x170 [ 5474.053753][ T72] inet6_addr_add+0x12f/0xa40 [ 5474.053753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.053753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.053753][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.053753][ T72] netlink_unicast+0x449/0x710 [ 5474.053753][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.053753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.053753][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.053753][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.053753][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.053753][ T72] [ 5474.056121][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5474.056121][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5474.056121][ T72] ipv6_find_idev+0x102/0x170 [ 5474.056121][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.056121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.056121][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.056121][ T72] netlink_unicast+0x449/0x710 [ 5474.056121][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.056121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.056121][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.056121][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.056121][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.056121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.056121][ T72] [ 5474.057933][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5474.057933][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5474.057933][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5474.057933][ T72] ipv6_find_idev+0x102/0x170 [ 5474.057933][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.057933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.057933][ T72] netlink_rcv_skb+0x130/0x360 [ 5474.057933][ T72] netlink_unicast+0x449/0x710 [ 5474.057933][ T72] netlink_sendmsg+0x723/0xbe0 [ 5474.057933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5474.057933][ T72] ___sys_sendmsg+0xee/0x170 [ 5474.057933][ T72] __sys_sendmsg+0xcd/0x170 [ 5474.057933][ T72] do_syscall_64+0xc6/0x1e0 [ 5474.057933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.057933][ T72] [ 5484.296995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5484.297680][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5484.297680][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5484.297680][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5484.297680][ T72] fib6_nh_init+0xa22/0x1580 [ 5484.297680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.297680][ T72] ip6_route_add+0x1c/0x140 [ 5484.297680][ T72] inet6_rtm_newroute+0x104/0x110 [ 5484.297680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.297680][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.297680][ T72] netlink_unicast+0x449/0x710 [ 5484.297680][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.297680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.297680][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.297680][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.297680][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.297680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.297680][ T72] [ 5484.299851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5484.299851][ T72] dst_init+0x84/0x4a0 [ 5484.299851][ T72] dst_alloc+0x97/0x150 [ 5484.299851][ T72] ip6_dst_alloc+0x23/0x90 [ 5484.299851][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5484.299851][ T72] ip6_pol_route+0x56f/0x840 [ 5484.299851][ T72] fib6_rule_lookup+0x456/0x630 [ 5484.299851][ T72] ip6_route_input+0x59c/0xa50 [ 5484.299851][ T72] ipv6_rcv+0x397/0x810 [ 5484.299851][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5484.299851][ T72] process_backlog+0x101/0x620 [ 5484.299851][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5484.299851][ T72] net_rx_action+0x495/0xbe0 [ 5484.299851][ T72] __do_softirq+0x1b5/0x7f6 [ 5484.299851][ T72] [ 5484.301724][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5484.301724][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.301724][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.301724][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.301724][ T72] ip6_route_add+0x1c/0x140 [ 5484.301724][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5484.301724][ T72] inet6_addr_add+0x4f8/0xa40 [ 5484.301724][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.301724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.301724][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.301724][ T72] netlink_unicast+0x449/0x710 [ 5484.301724][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.301724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.301724][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.301724][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.301724][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.301724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.301724][ T72] [ 5484.304096][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5484.304096][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.304096][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.304096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.304096][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5484.304096][ T72] ipv6_add_addr+0x411/0x2000 [ 5484.304096][ T72] inet6_addr_add+0x30e/0xa40 [ 5484.304096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.304096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.304096][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.304096][ T72] netlink_unicast+0x449/0x710 [ 5484.304096][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.304096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.304096][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.304096][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.304096][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.304096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.304096][ T72] [ 5484.306410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5484.306410][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.306410][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.306410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.306410][ T72] ip6_route_add+0x1c/0x140 [ 5484.306410][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5484.306410][ T72] addrconf_add_dev+0xe2/0x170 [ 5484.306410][ T72] inet6_addr_add+0x12f/0xa40 [ 5484.306410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.306410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.306410][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.306410][ T72] netlink_unicast+0x449/0x710 [ 5484.306410][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.306410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.306410][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.306410][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.306410][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.306410][ T72] [ 5484.308629][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5484.308629][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5484.308629][ T72] ipv6_find_idev+0x102/0x170 [ 5484.308629][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.308629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.308629][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.308629][ T72] netlink_unicast+0x449/0x710 [ 5484.308629][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.308629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.308629][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.308629][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.308629][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.308629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.308629][ T72] [ 5484.310344][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5484.310344][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5484.310344][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5484.310344][ T72] ipv6_find_idev+0x102/0x170 [ 5484.310344][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.310344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.310344][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.310344][ T72] netlink_unicast+0x449/0x710 [ 5484.310344][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.310344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.310344][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.310344][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.310344][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.310344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.310344][ T72] [ 5484.312216][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5484.312532][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5484.312532][ T72] dst_init+0x84/0x4a0 [ 5484.312532][ T72] dst_alloc+0x97/0x150 [ 5484.312532][ T72] ip6_dst_alloc+0x23/0x90 [ 5484.312532][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5484.312532][ T72] ip6_pol_route+0x56f/0x840 [ 5484.312532][ T72] fib6_rule_lookup+0x456/0x630 [ 5484.312532][ T72] ip6_route_input+0x59c/0xa50 [ 5484.312532][ T72] ipv6_rcv+0x397/0x810 [ 5484.312532][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5484.312532][ T72] process_backlog+0x101/0x620 [ 5484.312532][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5484.312532][ T72] net_rx_action+0x495/0xbe0 [ 5484.312532][ T72] __do_softirq+0x1b5/0x7f6 [ 5484.312532][ T72] [ 5484.314422][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5484.314422][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.314422][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.314422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.314422][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5484.314422][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5484.314422][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5484.314422][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5484.314422][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5484.314422][ T72] addrconf_dad_begin+0x310/0x670 [ 5484.314422][ T72] addrconf_dad_work+0x10b/0xab0 [ 5484.314422][ T72] process_one_work+0x84d/0x18a0 [ 5484.314422][ T72] worker_thread+0x587/0xd30 [ 5484.314422][ T72] kthread+0x28a/0x350 [ 5484.314422][ T72] ret_from_fork+0x31/0x70 [ 5484.314422][ T72] ret_from_fork_asm+0x1a/0x30 [ 5484.314422][ T72] [ 5484.317109][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5484.317109][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.317109][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.317109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.317109][ T72] ip6_route_add+0x1c/0x140 [ 5484.317109][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5484.317109][ T72] inet6_addr_add+0x4f8/0xa40 [ 5484.317109][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.317109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.317109][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.317109][ T72] netlink_unicast+0x449/0x710 [ 5484.317109][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.317109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.317109][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.317109][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.317109][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.317109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.317109][ T72] [ 5484.319339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5484.319339][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.319339][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.319339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.319339][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5484.319339][ T72] ipv6_add_addr+0x411/0x2000 [ 5484.319339][ T72] inet6_addr_add+0x30e/0xa40 [ 5484.319339][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.319339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.319339][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.319339][ T72] netlink_unicast+0x449/0x710 [ 5484.319339][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.319339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.319339][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.319339][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.319339][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.319339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.319339][ T72] [ 5484.321638][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5484.321638][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.321638][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.321638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.321638][ T72] ip6_route_add+0x1c/0x140 [ 5484.321638][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5484.321638][ T72] addrconf_add_dev+0xe2/0x170 [ 5484.321638][ T72] inet6_addr_add+0x12f/0xa40 [ 5484.321638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.321638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.321638][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.321638][ T72] netlink_unicast+0x449/0x710 [ 5484.321638][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.321638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.321638][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.321638][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.321638][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.321638][ T72] [ 5484.323875][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5484.323875][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5484.323875][ T72] ipv6_find_idev+0x102/0x170 [ 5484.323875][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.323875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.323875][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.323875][ T72] netlink_unicast+0x449/0x710 [ 5484.323875][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.323875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.323875][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.323875][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.323875][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.323875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.323875][ T72] [ 5484.325604][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5484.325604][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5484.325604][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5484.325604][ T72] ipv6_find_idev+0x102/0x170 [ 5484.325604][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.325604][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.325604][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.325604][ T72] netlink_unicast+0x449/0x710 [ 5484.325604][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.325604][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.325604][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.325604][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.325604][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.325604][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.325604][ T72] [ 5484.327598][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5484.327917][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5484.327917][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5484.327917][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5484.327917][ T72] fib6_nh_init+0xa22/0x1580 [ 5484.327917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.327917][ T72] ip6_route_add+0x1c/0x140 [ 5484.327917][ T72] inet6_rtm_newroute+0x104/0x110 [ 5484.327917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.327917][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.327917][ T72] netlink_unicast+0x449/0x710 [ 5484.327917][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.327917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.327917][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.327917][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.327917][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.327917][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.327917][ T72] [ 5484.330268][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5484.330268][ T72] dst_init+0x84/0x4a0 [ 5484.330268][ T72] dst_alloc+0x97/0x150 [ 5484.330268][ T72] ip6_dst_alloc+0x23/0x90 [ 5484.330268][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5484.330268][ T72] ip6_pol_route+0x56f/0x840 [ 5484.330268][ T72] fib6_rule_lookup+0x456/0x630 [ 5484.330268][ T72] ip6_route_input+0x59c/0xa50 [ 5484.330268][ T72] ipv6_rcv+0x397/0x810 [ 5484.330268][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5484.330268][ T72] process_backlog+0x101/0x620 [ 5484.330268][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5484.330268][ T72] net_rx_action+0x495/0xbe0 [ 5484.330268][ T72] __do_softirq+0x1b5/0x7f6 [ 5484.330268][ T72] [ 5484.332246][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5484.332246][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.332246][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.332246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.332246][ T72] ip6_route_add+0x1c/0x140 [ 5484.332246][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5484.332246][ T72] inet6_addr_add+0x4f8/0xa40 [ 5484.332246][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.332246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.332246][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.332246][ T72] netlink_unicast+0x449/0x710 [ 5484.332246][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.332246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.332246][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.332246][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.332246][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.332246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.332246][ T72] [ 5484.334846][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5484.334846][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.334846][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.334846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.334846][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5484.334846][ T72] ipv6_add_addr+0x411/0x2000 [ 5484.334846][ T72] inet6_addr_add+0x30e/0xa40 [ 5484.334846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.334846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.334846][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.334846][ T72] netlink_unicast+0x449/0x710 [ 5484.334846][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.334846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.334846][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.334846][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.334846][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.334846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.334846][ T72] [ 5484.337265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5484.337265][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.337265][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.337265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.337265][ T72] ip6_route_add+0x1c/0x140 [ 5484.337265][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5484.337265][ T72] addrconf_add_dev+0xe2/0x170 [ 5484.337265][ T72] inet6_addr_add+0x12f/0xa40 [ 5484.337265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.337265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.337265][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.337265][ T72] netlink_unicast+0x449/0x710 [ 5484.337265][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.337265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.337265][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.337265][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.337265][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.337265][ T72] [ 5484.339725][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5484.339725][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5484.339725][ T72] ipv6_find_idev+0x102/0x170 [ 5484.339725][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.339725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.339725][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.339725][ T72] netlink_unicast+0x449/0x710 [ 5484.339725][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.339725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.339725][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.339725][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.339725][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.339725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.339725][ T72] [ 5484.341593][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5484.341593][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5484.341593][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5484.341593][ T72] ipv6_find_idev+0x102/0x170 [ 5484.341593][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.341593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.341593][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.341593][ T72] netlink_unicast+0x449/0x710 [ 5484.341593][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.341593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.341593][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.341593][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.341593][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.341593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.341593][ T72] [ 5484.343712][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5484.344546][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5484.344546][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.344546][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.344546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.344546][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5484.344546][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5484.344546][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5484.344546][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5484.344546][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5484.344546][ T72] addrconf_dad_begin+0x310/0x670 [ 5484.344546][ T72] addrconf_dad_work+0x10b/0xab0 [ 5484.344546][ T72] process_one_work+0x84d/0x18a0 [ 5484.344546][ T72] worker_thread+0x587/0xd30 [ 5484.344546][ T72] kthread+0x28a/0x350 [ 5484.344546][ T72] ret_from_fork+0x31/0x70 [ 5484.344546][ T72] ret_from_fork_asm+0x1a/0x30 [ 5484.344546][ T72] [ 5484.346666][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5484.346666][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.346666][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.346666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.346666][ T72] ip6_route_add+0x1c/0x140 [ 5484.346666][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5484.346666][ T72] inet6_addr_add+0x4f8/0xa40 [ 5484.346666][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.346666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.346666][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.346666][ T72] netlink_unicast+0x449/0x710 [ 5484.346666][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.346666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.346666][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.346666][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.346666][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.346666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.346666][ T72] [ 5484.349256][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5484.349256][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.349256][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.349256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.349256][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5484.349256][ T72] ipv6_add_addr+0x411/0x2000 [ 5484.349256][ T72] inet6_addr_add+0x30e/0xa40 [ 5484.349256][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.349256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.349256][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.349256][ T72] netlink_unicast+0x449/0x710 [ 5484.349256][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.349256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.349256][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.349256][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.349256][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.349256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.349256][ T72] [ 5484.351709][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5484.351709][ T72] netdev_get_by_index+0x5e/0x80 [ 5484.351709][ T72] fib6_nh_init+0x3d8/0x1580 [ 5484.351709][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5484.351709][ T72] ip6_route_add+0x1c/0x140 [ 5484.351709][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5484.351709][ T72] addrconf_add_dev+0xe2/0x170 [ 5484.351709][ T72] inet6_addr_add+0x12f/0xa40 [ 5484.351709][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.351709][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.351709][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.351709][ T72] netlink_unicast+0x449/0x710 [ 5484.351709][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.351709][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.351709][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.351709][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.351709][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.351709][ T72] [ 5484.354177][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5484.354177][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5484.354177][ T72] ipv6_find_idev+0x102/0x170 [ 5484.354177][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.354177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.354177][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.354177][ T72] netlink_unicast+0x449/0x710 [ 5484.354177][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.354177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.354177][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.354177][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.354177][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.354177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.354177][ T72] [ 5484.356089][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5484.356089][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5484.356089][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5484.356089][ T72] ipv6_find_idev+0x102/0x170 [ 5484.356089][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.356089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.356089][ T72] netlink_rcv_skb+0x130/0x360 [ 5484.356089][ T72] netlink_unicast+0x449/0x710 [ 5484.356089][ T72] netlink_sendmsg+0x723/0xbe0 [ 5484.356089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5484.356089][ T72] ___sys_sendmsg+0xee/0x170 [ 5484.356089][ T72] __sys_sendmsg+0xcd/0x170 [ 5484.356089][ T72] do_syscall_64+0xc6/0x1e0 [ 5484.356089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.356089][ T72] [ 5494.600921][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5494.601422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5494.601422][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5494.601422][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5494.601422][ T72] fib6_nh_init+0xa22/0x1580 [ 5494.601422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.601422][ T72] ip6_route_add+0x1c/0x140 [ 5494.601422][ T72] inet6_rtm_newroute+0x104/0x110 [ 5494.601422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.601422][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.601422][ T72] netlink_unicast+0x449/0x710 [ 5494.601422][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.601422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.601422][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.601422][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.601422][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.601422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.601422][ T72] [ 5494.603760][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5494.603760][ T72] dst_init+0x84/0x4a0 [ 5494.603760][ T72] dst_alloc+0x97/0x150 [ 5494.603760][ T72] ip6_dst_alloc+0x23/0x90 [ 5494.603760][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5494.603760][ T72] ip6_pol_route+0x56f/0x840 [ 5494.603760][ T72] fib6_rule_lookup+0x456/0x630 [ 5494.603760][ T72] ip6_route_input+0x59c/0xa50 [ 5494.603760][ T72] ipv6_rcv+0x397/0x810 [ 5494.603760][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5494.603760][ T72] process_backlog+0x101/0x620 [ 5494.603760][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5494.603760][ T72] net_rx_action+0x495/0xbe0 [ 5494.603760][ T72] __do_softirq+0x1b5/0x7f6 [ 5494.603760][ T72] [ 5494.605758][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5494.605758][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.605758][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.605758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.605758][ T72] ip6_route_add+0x1c/0x140 [ 5494.605758][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5494.605758][ T72] inet6_addr_add+0x4f8/0xa40 [ 5494.605758][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.605758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.605758][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.605758][ T72] netlink_unicast+0x449/0x710 [ 5494.605758][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.605758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.605758][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.605758][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.605758][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.605758][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.605758][ T72] [ 5494.608199][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5494.608199][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.608199][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.608199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.608199][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5494.608199][ T72] ipv6_add_addr+0x411/0x2000 [ 5494.608199][ T72] inet6_addr_add+0x30e/0xa40 [ 5494.608199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.608199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.608199][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.608199][ T72] netlink_unicast+0x449/0x710 [ 5494.608199][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.608199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.608199][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.608199][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.608199][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.608199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.608199][ T72] [ 5494.610636][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5494.610636][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.610636][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.610636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.610636][ T72] ip6_route_add+0x1c/0x140 [ 5494.610636][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5494.610636][ T72] addrconf_add_dev+0xe2/0x170 [ 5494.610636][ T72] inet6_addr_add+0x12f/0xa40 [ 5494.610636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.610636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.610636][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.610636][ T72] netlink_unicast+0x449/0x710 [ 5494.610636][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.610636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.610636][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.610636][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.610636][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.610636][ T72] [ 5494.613040][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5494.613040][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5494.613040][ T72] ipv6_find_idev+0x102/0x170 [ 5494.613040][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5494.613040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.613040][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.613040][ T72] netlink_unicast+0x449/0x710 [ 5494.613040][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.613040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.613040][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.613040][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.613040][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.613040][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.613040][ T72] [ 5494.614908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5494.614908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5494.614908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5494.614908][ T72] ipv6_find_idev+0x102/0x170 [ 5494.614908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5494.614908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.614908][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.614908][ T72] netlink_unicast+0x449/0x710 [ 5494.614908][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.614908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.614908][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.614908][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.614908][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.614908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.614908][ T72] [ 5494.616956][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5494.617291][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5494.617291][ T72] dst_init+0x84/0x4a0 [ 5494.617291][ T72] dst_alloc+0x97/0x150 [ 5494.617291][ T72] ip6_dst_alloc+0x23/0x90 [ 5494.617291][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5494.617291][ T72] ip6_pol_route+0x56f/0x840 [ 5494.617291][ T72] fib6_rule_lookup+0x456/0x630 [ 5494.617291][ T72] ip6_route_input+0x59c/0xa50 [ 5494.617291][ T72] ipv6_rcv+0x397/0x810 [ 5494.617291][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5494.617291][ T72] process_backlog+0x101/0x620 [ 5494.617291][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5494.617291][ T72] net_rx_action+0x495/0xbe0 [ 5494.617291][ T72] __do_softirq+0x1b5/0x7f6 [ 5494.617291][ T72] [ 5494.619283][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5494.619283][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.619283][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.619283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.619283][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5494.619283][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5494.619283][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5494.619283][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5494.619283][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5494.619283][ T72] addrconf_dad_begin+0x310/0x670 [ 5494.619283][ T72] addrconf_dad_work+0x10b/0xab0 [ 5494.619283][ T72] process_one_work+0x84d/0x18a0 [ 5494.619283][ T72] worker_thread+0x587/0xd30 [ 5494.619283][ T72] kthread+0x28a/0x350 [ 5494.619283][ T72] ret_from_fork+0x31/0x70 [ 5494.619283][ T72] ret_from_fork_asm+0x1a/0x30 [ 5494.619283][ T72] [ 5494.621612][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5494.621612][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.621612][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.621612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.621612][ T72] ip6_route_add+0x1c/0x140 [ 5494.621612][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5494.621612][ T72] inet6_addr_add+0x4f8/0xa40 [ 5494.621612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.621612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.621612][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.621612][ T72] netlink_unicast+0x449/0x710 [ 5494.621612][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.621612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.621612][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.621612][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.621612][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.621612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.621612][ T72] [ 5494.624041][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5494.624041][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.624041][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.624041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.624041][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5494.624041][ T72] ipv6_add_addr+0x411/0x2000 [ 5494.624041][ T72] inet6_addr_add+0x30e/0xa40 [ 5494.624041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.624041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.624041][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.624041][ T72] netlink_unicast+0x449/0x710 [ 5494.624041][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.624041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.624041][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.624041][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.624041][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.624041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.624041][ T72] [ 5494.626464][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5494.626464][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.626464][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.626464][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.626464][ T72] ip6_route_add+0x1c/0x140 [ 5494.626464][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5494.626464][ T72] addrconf_add_dev+0xe2/0x170 [ 5494.626464][ T72] inet6_addr_add+0x12f/0xa40 [ 5494.626464][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.626464][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.626464][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.626464][ T72] netlink_unicast+0x449/0x710 [ 5494.626464][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.626464][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.626464][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.626464][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.626464][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.626464][ T72] [ 5494.628839][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5494.628839][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5494.628839][ T72] ipv6_find_idev+0x102/0x170 [ 5494.628839][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5494.628839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.628839][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.628839][ T72] netlink_unicast+0x449/0x710 [ 5494.628839][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.628839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.628839][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.628839][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.628839][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.628839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.628839][ T72] [ 5494.630703][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5494.630703][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5494.630703][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5494.630703][ T72] ipv6_find_idev+0x102/0x170 [ 5494.630703][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5494.630703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.630703][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.630703][ T72] netlink_unicast+0x449/0x710 [ 5494.630703][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.630703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.630703][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.630703][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.630703][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.630703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.630703][ T72] [ 5494.632821][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5494.633211][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5494.633211][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5494.633211][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5494.633211][ T72] fib6_nh_init+0xa22/0x1580 [ 5494.633211][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.633211][ T72] ip6_route_add+0x1c/0x140 [ 5494.633211][ T72] inet6_rtm_newroute+0x104/0x110 [ 5494.633211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.633211][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.633211][ T72] netlink_unicast+0x449/0x710 [ 5494.633211][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.633211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.633211][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.633211][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.633211][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.633211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.633211][ T72] [ 5494.635740][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5494.635740][ T72] dst_init+0x84/0x4a0 [ 5494.635740][ T72] dst_alloc+0x97/0x150 [ 5494.635740][ T72] ip6_dst_alloc+0x23/0x90 [ 5494.635740][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5494.635740][ T72] ip6_pol_route+0x56f/0x840 [ 5494.635740][ T72] fib6_rule_lookup+0x456/0x630 [ 5494.635740][ T72] ip6_route_input+0x59c/0xa50 [ 5494.635740][ T72] ipv6_rcv+0x397/0x810 [ 5494.635740][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5494.635740][ T72] process_backlog+0x101/0x620 [ 5494.635740][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5494.635740][ T72] net_rx_action+0x495/0xbe0 [ 5494.635740][ T72] __do_softirq+0x1b5/0x7f6 [ 5494.635740][ T72] [ 5494.637903][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5494.637903][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.637903][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.637903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.637903][ T72] ip6_route_add+0x1c/0x140 [ 5494.637903][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5494.637903][ T72] inet6_addr_add+0x4f8/0xa40 [ 5494.637903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.637903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.637903][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.637903][ T72] netlink_unicast+0x449/0x710 [ 5494.637903][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.637903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.637903][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.637903][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.637903][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.637903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.637903][ T72] [ 5494.640568][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5494.640568][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.640568][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.640568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.640568][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5494.640568][ T72] ipv6_add_addr+0x411/0x2000 [ 5494.640568][ T72] inet6_addr_add+0x30e/0xa40 [ 5494.640568][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.640568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.640568][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.640568][ T72] netlink_unicast+0x449/0x710 [ 5494.640568][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.640568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.640568][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.640568][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.640568][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.640568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.640568][ T72] [ 5494.643249][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5494.643249][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.643249][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.643249][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.643249][ T72] ip6_route_add+0x1c/0x140 [ 5494.643249][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5494.643249][ T72] addrconf_add_dev+0xe2/0x170 [ 5494.643249][ T72] inet6_addr_add+0x12f/0xa40 [ 5494.643249][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.643249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.643249][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.643249][ T72] netlink_unicast+0x449/0x710 [ 5494.643249][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.643249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.643249][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.643249][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.643249][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.643249][ T72] [ 5494.646475][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5494.646475][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5494.646475][ T72] ipv6_find_idev+0x102/0x170 [ 5494.646475][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5494.646475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.646475][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.646475][ T72] netlink_unicast+0x449/0x710 [ 5494.646475][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.646475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.646475][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.646475][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.646475][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.646475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.646475][ T72] [ 5494.648524][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5494.648524][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5494.648524][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5494.648524][ T72] ipv6_find_idev+0x102/0x170 [ 5494.648524][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5494.648524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.648524][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.648524][ T72] netlink_unicast+0x449/0x710 [ 5494.648524][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.648524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.648524][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.648524][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.648524][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.648524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.648524][ T72] [ 5494.650747][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5494.651528][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5494.651528][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.651528][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.651528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.651528][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5494.651528][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5494.651528][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5494.651528][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5494.651528][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5494.651528][ T72] addrconf_dad_begin+0x310/0x670 [ 5494.651528][ T72] addrconf_dad_work+0x10b/0xab0 [ 5494.651528][ T72] process_one_work+0x84d/0x18a0 [ 5494.651528][ T72] worker_thread+0x587/0xd30 [ 5494.651528][ T72] kthread+0x28a/0x350 [ 5494.651528][ T72] ret_from_fork+0x31/0x70 [ 5494.651528][ T72] ret_from_fork_asm+0x1a/0x30 [ 5494.651528][ T72] [ 5494.654595][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5494.654595][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.654595][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.654595][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.654595][ T72] ip6_route_add+0x1c/0x140 [ 5494.654595][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5494.654595][ T72] inet6_addr_add+0x4f8/0xa40 [ 5494.654595][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.654595][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.654595][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.654595][ T72] netlink_unicast+0x449/0x710 [ 5494.654595][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.654595][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.654595][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.654595][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.654595][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.654595][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.654595][ T72] [ 5494.657138][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5494.657138][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.657138][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.657138][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.657138][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5494.657138][ T72] ipv6_add_addr+0x411/0x2000 [ 5494.657138][ T72] inet6_addr_add+0x30e/0xa40 [ 5494.657138][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.657138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.657138][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.657138][ T72] netlink_unicast+0x449/0x710 [ 5494.657138][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.657138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.657138][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.657138][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.657138][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.657138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.657138][ T72] [ 5494.659807][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5494.659807][ T72] netdev_get_by_index+0x5e/0x80 [ 5494.659807][ T72] fib6_nh_init+0x3d8/0x1580 [ 5494.659807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5494.659807][ T72] ip6_route_add+0x1c/0x140 [ 5494.659807][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5494.659807][ T72] addrconf_add_dev+0xe2/0x170 [ 5494.659807][ T72] inet6_addr_add+0x12f/0xa40 [ 5494.659807][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5494.659807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.659807][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.659807][ T72] netlink_unicast+0x449/0x710 [ 5494.659807][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.659807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.659807][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.659807][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.659807][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.659807][ T72] [ 5494.662487][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5494.662487][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5494.662487][ T72] ipv6_find_idev+0x102/0x170 [ 5494.662487][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5494.662487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.662487][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.662487][ T72] netlink_unicast+0x449/0x710 [ 5494.662487][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.662487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.662487][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.662487][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.662487][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.662487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.662487][ T72] [ 5494.664543][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5494.664543][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5494.664543][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5494.664543][ T72] ipv6_find_idev+0x102/0x170 [ 5494.664543][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5494.664543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5494.664543][ T72] netlink_rcv_skb+0x130/0x360 [ 5494.664543][ T72] netlink_unicast+0x449/0x710 [ 5494.664543][ T72] netlink_sendmsg+0x723/0xbe0 [ 5494.664543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5494.664543][ T72] ___sys_sendmsg+0xee/0x170 [ 5494.664543][ T72] __sys_sendmsg+0xcd/0x170 [ 5494.664543][ T72] do_syscall_64+0xc6/0x1e0 [ 5494.664543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5494.664543][ T72] [ 5504.904906][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5504.905416][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5504.905416][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5504.905416][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5504.905416][ T72] fib6_nh_init+0xa22/0x1580 [ 5504.905416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.905416][ T72] ip6_route_add+0x1c/0x140 [ 5504.905416][ T72] inet6_rtm_newroute+0x104/0x110 [ 5504.905416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.905416][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.905416][ T72] netlink_unicast+0x449/0x710 [ 5504.905416][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.905416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.905416][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.905416][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.905416][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.905416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.905416][ T72] [ 5504.907730][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5504.907730][ T72] dst_init+0x84/0x4a0 [ 5504.907730][ T72] dst_alloc+0x97/0x150 [ 5504.907730][ T72] ip6_dst_alloc+0x23/0x90 [ 5504.907730][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5504.907730][ T72] ip6_pol_route+0x56f/0x840 [ 5504.907730][ T72] fib6_rule_lookup+0x456/0x630 [ 5504.907730][ T72] ip6_route_input+0x59c/0xa50 [ 5504.907730][ T72] ipv6_rcv+0x397/0x810 [ 5504.907730][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5504.907730][ T72] process_backlog+0x101/0x620 [ 5504.907730][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5504.907730][ T72] net_rx_action+0x495/0xbe0 [ 5504.907730][ T72] __do_softirq+0x1b5/0x7f6 [ 5504.907730][ T72] [ 5504.909709][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5504.909709][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.909709][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.909709][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.909709][ T72] ip6_route_add+0x1c/0x140 [ 5504.909709][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5504.909709][ T72] inet6_addr_add+0x4f8/0xa40 [ 5504.909709][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.909709][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.909709][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.909709][ T72] netlink_unicast+0x449/0x710 [ 5504.909709][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.909709][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.909709][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.909709][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.909709][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.909709][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.909709][ T72] [ 5504.912128][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5504.912128][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.912128][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.912128][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.912128][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5504.912128][ T72] ipv6_add_addr+0x411/0x2000 [ 5504.912128][ T72] inet6_addr_add+0x30e/0xa40 [ 5504.912128][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.912128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.912128][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.912128][ T72] netlink_unicast+0x449/0x710 [ 5504.912128][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.912128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.912128][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.912128][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.912128][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.912128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.912128][ T72] [ 5504.914584][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5504.914584][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.914584][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.914584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.914584][ T72] ip6_route_add+0x1c/0x140 [ 5504.914584][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5504.914584][ T72] addrconf_add_dev+0xe2/0x170 [ 5504.914584][ T72] inet6_addr_add+0x12f/0xa40 [ 5504.914584][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.914584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.914584][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.914584][ T72] netlink_unicast+0x449/0x710 [ 5504.914584][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.914584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.914584][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.914584][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.914584][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.914584][ T72] [ 5504.916969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5504.916969][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5504.916969][ T72] ipv6_find_idev+0x102/0x170 [ 5504.916969][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5504.916969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.916969][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.916969][ T72] netlink_unicast+0x449/0x710 [ 5504.916969][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.916969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.916969][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.916969][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.916969][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.916969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.916969][ T72] [ 5504.918834][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5504.918834][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5504.918834][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5504.918834][ T72] ipv6_find_idev+0x102/0x170 [ 5504.918834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5504.918834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.918834][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.918834][ T72] netlink_unicast+0x449/0x710 [ 5504.918834][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.918834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.918834][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.918834][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.918834][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.918834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.918834][ T72] [ 5504.920894][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5504.921220][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5504.921220][ T72] dst_init+0x84/0x4a0 [ 5504.921220][ T72] dst_alloc+0x97/0x150 [ 5504.921220][ T72] ip6_dst_alloc+0x23/0x90 [ 5504.921220][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5504.921220][ T72] ip6_pol_route+0x56f/0x840 [ 5504.921220][ T72] fib6_rule_lookup+0x456/0x630 [ 5504.921220][ T72] ip6_route_input+0x59c/0xa50 [ 5504.921220][ T72] ipv6_rcv+0x397/0x810 [ 5504.921220][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5504.921220][ T72] process_backlog+0x101/0x620 [ 5504.921220][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5504.921220][ T72] net_rx_action+0x495/0xbe0 [ 5504.921220][ T72] __do_softirq+0x1b5/0x7f6 [ 5504.921220][ T72] [ 5504.923244][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5504.923244][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.923244][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.923244][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.923244][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5504.923244][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5504.923244][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5504.923244][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5504.923244][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5504.923244][ T72] addrconf_dad_begin+0x310/0x670 [ 5504.923244][ T72] addrconf_dad_work+0x10b/0xab0 [ 5504.923244][ T72] process_one_work+0x84d/0x18a0 [ 5504.923244][ T72] worker_thread+0x587/0xd30 [ 5504.923244][ T72] kthread+0x28a/0x350 [ 5504.923244][ T72] ret_from_fork+0x31/0x70 [ 5504.923244][ T72] ret_from_fork_asm+0x1a/0x30 [ 5504.923244][ T72] [ 5504.925565][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5504.925565][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.925565][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.925565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.925565][ T72] ip6_route_add+0x1c/0x140 [ 5504.925565][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5504.925565][ T72] inet6_addr_add+0x4f8/0xa40 [ 5504.925565][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.925565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.925565][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.925565][ T72] netlink_unicast+0x449/0x710 [ 5504.925565][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.925565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.925565][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.925565][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.925565][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.925565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.925565][ T72] [ 5504.927986][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5504.927986][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.927986][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.927986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.927986][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5504.927986][ T72] ipv6_add_addr+0x411/0x2000 [ 5504.927986][ T72] inet6_addr_add+0x30e/0xa40 [ 5504.927986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.927986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.927986][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.927986][ T72] netlink_unicast+0x449/0x710 [ 5504.927986][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.927986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.927986][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.927986][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.927986][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.927986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.927986][ T72] [ 5504.930417][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5504.930417][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.930417][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.930417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.930417][ T72] ip6_route_add+0x1c/0x140 [ 5504.930417][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5504.930417][ T72] addrconf_add_dev+0xe2/0x170 [ 5504.930417][ T72] inet6_addr_add+0x12f/0xa40 [ 5504.930417][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.930417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.930417][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.930417][ T72] netlink_unicast+0x449/0x710 [ 5504.930417][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.930417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.930417][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.930417][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.930417][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.930417][ T72] [ 5504.932822][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5504.932822][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5504.932822][ T72] ipv6_find_idev+0x102/0x170 [ 5504.932822][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5504.932822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.932822][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.932822][ T72] netlink_unicast+0x449/0x710 [ 5504.932822][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.932822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.932822][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.932822][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.932822][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.932822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.932822][ T72] [ 5504.934698][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5504.934698][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5504.934698][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5504.934698][ T72] ipv6_find_idev+0x102/0x170 [ 5504.934698][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5504.934698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.934698][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.934698][ T72] netlink_unicast+0x449/0x710 [ 5504.934698][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.934698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.934698][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.934698][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.934698][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.934698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.934698][ T72] [ 5504.936819][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5504.937201][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5504.937201][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5504.937201][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5504.937201][ T72] fib6_nh_init+0xa22/0x1580 [ 5504.937201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.937201][ T72] ip6_route_add+0x1c/0x140 [ 5504.937201][ T72] inet6_rtm_newroute+0x104/0x110 [ 5504.937201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.937201][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.937201][ T72] netlink_unicast+0x449/0x710 [ 5504.937201][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.937201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.937201][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.937201][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.937201][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.937201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.937201][ T72] [ 5504.939729][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5504.939729][ T72] dst_init+0x84/0x4a0 [ 5504.939729][ T72] dst_alloc+0x97/0x150 [ 5504.939729][ T72] ip6_dst_alloc+0x23/0x90 [ 5504.939729][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5504.939729][ T72] ip6_pol_route+0x56f/0x840 [ 5504.939729][ T72] fib6_rule_lookup+0x456/0x630 [ 5504.939729][ T72] ip6_route_input+0x59c/0xa50 [ 5504.939729][ T72] ipv6_rcv+0x397/0x810 [ 5504.939729][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5504.939729][ T72] process_backlog+0x101/0x620 [ 5504.939729][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5504.939729][ T72] net_rx_action+0x495/0xbe0 [ 5504.939729][ T72] __do_softirq+0x1b5/0x7f6 [ 5504.939729][ T72] [ 5504.941897][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5504.941897][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.941897][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.941897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.941897][ T72] ip6_route_add+0x1c/0x140 [ 5504.941897][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5504.941897][ T72] inet6_addr_add+0x4f8/0xa40 [ 5504.941897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.941897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.941897][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.941897][ T72] netlink_unicast+0x449/0x710 [ 5504.941897][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.941897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.941897][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.941897][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.941897][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.941897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.941897][ T72] [ 5504.944585][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5504.944585][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.944585][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.944585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.944585][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5504.944585][ T72] ipv6_add_addr+0x411/0x2000 [ 5504.944585][ T72] inet6_addr_add+0x30e/0xa40 [ 5504.944585][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.944585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.944585][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.944585][ T72] netlink_unicast+0x449/0x710 [ 5504.944585][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.944585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.944585][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.944585][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.944585][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.944585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.944585][ T72] [ 5504.947258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5504.947258][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.947258][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.947258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.947258][ T72] ip6_route_add+0x1c/0x140 [ 5504.947258][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5504.947258][ T72] addrconf_add_dev+0xe2/0x170 [ 5504.947258][ T72] inet6_addr_add+0x12f/0xa40 [ 5504.947258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.947258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.947258][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.947258][ T72] netlink_unicast+0x449/0x710 [ 5504.947258][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.947258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.947258][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.947258][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.947258][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.947258][ T72] [ 5504.949949][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5504.949949][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5504.949949][ T72] ipv6_find_idev+0x102/0x170 [ 5504.949949][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5504.949949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.949949][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.949949][ T72] netlink_unicast+0x449/0x710 [ 5504.949949][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.949949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.949949][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.949949][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.949949][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.949949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.949949][ T72] [ 5504.952009][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5504.952009][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5504.952009][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5504.952009][ T72] ipv6_find_idev+0x102/0x170 [ 5504.952009][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5504.952009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.952009][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.952009][ T72] netlink_unicast+0x449/0x710 [ 5504.952009][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.952009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.952009][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.952009][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.952009][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.952009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.952009][ T72] [ 5504.954240][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5504.954577][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5504.954577][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.954577][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.954577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.954577][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5504.954577][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5504.954577][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5504.954577][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5504.954577][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5504.954577][ T72] addrconf_dad_begin+0x310/0x670 [ 5504.954577][ T72] addrconf_dad_work+0x10b/0xab0 [ 5504.954577][ T72] process_one_work+0x84d/0x18a0 [ 5504.954577][ T72] worker_thread+0x587/0xd30 [ 5504.954577][ T72] kthread+0x28a/0x350 [ 5504.954577][ T72] ret_from_fork+0x31/0x70 [ 5504.954577][ T72] ret_from_fork_asm+0x1a/0x30 [ 5504.954577][ T72] [ 5504.957143][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5504.957143][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.957143][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.957143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.957143][ T72] ip6_route_add+0x1c/0x140 [ 5504.957143][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5504.957143][ T72] inet6_addr_add+0x4f8/0xa40 [ 5504.957143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.957143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.957143][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.957143][ T72] netlink_unicast+0x449/0x710 [ 5504.957143][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.957143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.957143][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.957143][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.957143][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.957143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.957143][ T72] [ 5504.959807][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5504.959807][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.959807][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.959807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.959807][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5504.959807][ T72] ipv6_add_addr+0x411/0x2000 [ 5504.959807][ T72] inet6_addr_add+0x30e/0xa40 [ 5504.959807][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.959807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.959807][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.959807][ T72] netlink_unicast+0x449/0x710 [ 5504.959807][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.959807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.959807][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.959807][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.959807][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.959807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.959807][ T72] [ 5504.962539][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5504.962539][ T72] netdev_get_by_index+0x5e/0x80 [ 5504.962539][ T72] fib6_nh_init+0x3d8/0x1580 [ 5504.962539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5504.962539][ T72] ip6_route_add+0x1c/0x140 [ 5504.962539][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5504.962539][ T72] addrconf_add_dev+0xe2/0x170 [ 5504.962539][ T72] inet6_addr_add+0x12f/0xa40 [ 5504.962539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5504.962539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.962539][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.962539][ T72] netlink_unicast+0x449/0x710 [ 5504.962539][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.962539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.962539][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.962539][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.962539][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.962539][ T72] [ 5504.965118][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5504.965118][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5504.965118][ T72] ipv6_find_idev+0x102/0x170 [ 5504.965118][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5504.965118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.965118][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.965118][ T72] netlink_unicast+0x449/0x710 [ 5504.965118][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.965118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.965118][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.965118][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.965118][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.965118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.965118][ T72] [ 5504.967106][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5504.967106][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5504.967106][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5504.967106][ T72] ipv6_find_idev+0x102/0x170 [ 5504.967106][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5504.967106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5504.967106][ T72] netlink_rcv_skb+0x130/0x360 [ 5504.967106][ T72] netlink_unicast+0x449/0x710 [ 5504.967106][ T72] netlink_sendmsg+0x723/0xbe0 [ 5504.967106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5504.967106][ T72] ___sys_sendmsg+0xee/0x170 [ 5504.967106][ T72] __sys_sendmsg+0xcd/0x170 [ 5504.967106][ T72] do_syscall_64+0xc6/0x1e0 [ 5504.967106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5504.967106][ T72] [ 5515.216910][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5515.217434][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5515.217434][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5515.217434][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5515.217434][ T72] fib6_nh_init+0xa22/0x1580 [ 5515.217434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.217434][ T72] ip6_route_add+0x1c/0x140 [ 5515.217434][ T72] inet6_rtm_newroute+0x104/0x110 [ 5515.217434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.217434][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.217434][ T72] netlink_unicast+0x449/0x710 [ 5515.217434][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.217434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.217434][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.217434][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.217434][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.217434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.217434][ T72] [ 5515.219672][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5515.219672][ T72] dst_init+0x84/0x4a0 [ 5515.219672][ T72] dst_alloc+0x97/0x150 [ 5515.219672][ T72] ip6_dst_alloc+0x23/0x90 [ 5515.219672][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5515.219672][ T72] ip6_pol_route+0x56f/0x840 [ 5515.219672][ T72] fib6_rule_lookup+0x456/0x630 [ 5515.219672][ T72] ip6_route_input+0x59c/0xa50 [ 5515.219672][ T72] ipv6_rcv+0x397/0x810 [ 5515.219672][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5515.219672][ T72] process_backlog+0x101/0x620 [ 5515.219672][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5515.219672][ T72] net_rx_action+0x495/0xbe0 [ 5515.219672][ T72] __do_softirq+0x1b5/0x7f6 [ 5515.219672][ T72] [ 5515.221613][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5515.221613][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.221613][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.221613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.221613][ T72] ip6_route_add+0x1c/0x140 [ 5515.221613][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5515.221613][ T72] inet6_addr_add+0x4f8/0xa40 [ 5515.221613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.221613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.221613][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.221613][ T72] netlink_unicast+0x449/0x710 [ 5515.221613][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.221613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.221613][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.221613][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.221613][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.221613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.221613][ T72] [ 5515.223985][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5515.223985][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.223985][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.223985][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.223985][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5515.223985][ T72] ipv6_add_addr+0x411/0x2000 [ 5515.223985][ T72] inet6_addr_add+0x30e/0xa40 [ 5515.223985][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.223985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.223985][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.223985][ T72] netlink_unicast+0x449/0x710 [ 5515.223985][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.223985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.223985][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.223985][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.223985][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.223985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.223985][ T72] [ 5515.226339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5515.226339][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.226339][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.226339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.226339][ T72] ip6_route_add+0x1c/0x140 [ 5515.226339][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.226339][ T72] addrconf_add_dev+0xe2/0x170 [ 5515.226339][ T72] inet6_addr_add+0x12f/0xa40 [ 5515.226339][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.226339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.226339][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.226339][ T72] netlink_unicast+0x449/0x710 [ 5515.226339][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.226339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.226339][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.226339][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.226339][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.226339][ T72] [ 5515.228726][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5515.228726][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5515.228726][ T72] ipv6_find_idev+0x102/0x170 [ 5515.228726][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.228726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.228726][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.228726][ T72] netlink_unicast+0x449/0x710 [ 5515.228726][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.228726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.228726][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.228726][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.228726][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.228726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.228726][ T72] [ 5515.230619][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5515.230619][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5515.230619][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5515.230619][ T72] ipv6_find_idev+0x102/0x170 [ 5515.230619][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.230619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.230619][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.230619][ T72] netlink_unicast+0x449/0x710 [ 5515.230619][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.230619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.230619][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.230619][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.230619][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.230619][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.230619][ T72] [ 5515.232644][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5515.232981][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5515.232981][ T72] dst_init+0x84/0x4a0 [ 5515.232981][ T72] dst_alloc+0x97/0x150 [ 5515.232981][ T72] ip6_dst_alloc+0x23/0x90 [ 5515.232981][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5515.232981][ T72] ip6_pol_route+0x56f/0x840 [ 5515.232981][ T72] fib6_rule_lookup+0x456/0x630 [ 5515.232981][ T72] ip6_route_input+0x59c/0xa50 [ 5515.232981][ T72] ipv6_rcv+0x397/0x810 [ 5515.232981][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5515.232981][ T72] process_backlog+0x101/0x620 [ 5515.232981][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5515.232981][ T72] net_rx_action+0x495/0xbe0 [ 5515.232981][ T72] __do_softirq+0x1b5/0x7f6 [ 5515.232981][ T72] [ 5515.234951][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5515.234951][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.234951][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.234951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.234951][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5515.234951][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5515.234951][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5515.234951][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5515.234951][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5515.234951][ T72] addrconf_dad_begin+0x310/0x670 [ 5515.234951][ T72] addrconf_dad_work+0x10b/0xab0 [ 5515.234951][ T72] process_one_work+0x84d/0x18a0 [ 5515.234951][ T72] worker_thread+0x587/0xd30 [ 5515.234951][ T72] kthread+0x28a/0x350 [ 5515.234951][ T72] ret_from_fork+0x31/0x70 [ 5515.234951][ T72] ret_from_fork_asm+0x1a/0x30 [ 5515.234951][ T72] [ 5515.237199][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5515.237199][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.237199][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.237199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.237199][ T72] ip6_route_add+0x1c/0x140 [ 5515.237199][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5515.237199][ T72] inet6_addr_add+0x4f8/0xa40 [ 5515.237199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.237199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.237199][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.237199][ T72] netlink_unicast+0x449/0x710 [ 5515.237199][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.237199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.237199][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.237199][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.237199][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.237199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.237199][ T72] [ 5515.239555][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5515.239555][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.239555][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.239555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.239555][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5515.239555][ T72] ipv6_add_addr+0x411/0x2000 [ 5515.239555][ T72] inet6_addr_add+0x30e/0xa40 [ 5515.239555][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.239555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.239555][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.239555][ T72] netlink_unicast+0x449/0x710 [ 5515.239555][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.239555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.239555][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.239555][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.239555][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.239555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.239555][ T72] [ 5515.241984][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5515.241984][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.241984][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.241984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.241984][ T72] ip6_route_add+0x1c/0x140 [ 5515.241984][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.241984][ T72] addrconf_add_dev+0xe2/0x170 [ 5515.241984][ T72] inet6_addr_add+0x12f/0xa40 [ 5515.241984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.241984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.241984][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.241984][ T72] netlink_unicast+0x449/0x710 [ 5515.241984][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.241984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.241984][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.241984][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.241984][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.241984][ T72] [ 5515.244367][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5515.244367][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5515.244367][ T72] ipv6_find_idev+0x102/0x170 [ 5515.244367][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.244367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.244367][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.244367][ T72] netlink_unicast+0x449/0x710 [ 5515.244367][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.244367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.244367][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.244367][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.244367][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.244367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.244367][ T72] [ 5515.246262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5515.246262][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5515.246262][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5515.246262][ T72] ipv6_find_idev+0x102/0x170 [ 5515.246262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.246262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.246262][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.246262][ T72] netlink_unicast+0x449/0x710 [ 5515.246262][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.246262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.246262][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.246262][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.246262][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.246262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.246262][ T72] [ 5515.248329][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5515.248733][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5515.248733][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5515.248733][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5515.248733][ T72] fib6_nh_init+0xa22/0x1580 [ 5515.248733][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.248733][ T72] ip6_route_add+0x1c/0x140 [ 5515.248733][ T72] inet6_rtm_newroute+0x104/0x110 [ 5515.248733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.248733][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.248733][ T72] netlink_unicast+0x449/0x710 [ 5515.248733][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.248733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.248733][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.248733][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.248733][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.248733][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.248733][ T72] [ 5515.251282][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5515.251282][ T72] dst_init+0x84/0x4a0 [ 5515.251282][ T72] dst_alloc+0x97/0x150 [ 5515.251282][ T72] ip6_dst_alloc+0x23/0x90 [ 5515.251282][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5515.251282][ T72] ip6_pol_route+0x56f/0x840 [ 5515.251282][ T72] fib6_rule_lookup+0x456/0x630 [ 5515.251282][ T72] ip6_route_input+0x59c/0xa50 [ 5515.251282][ T72] ipv6_rcv+0x397/0x810 [ 5515.251282][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5515.251282][ T72] process_backlog+0x101/0x620 [ 5515.251282][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5515.251282][ T72] net_rx_action+0x495/0xbe0 [ 5515.251282][ T72] __do_softirq+0x1b5/0x7f6 [ 5515.251282][ T72] [ 5515.253458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5515.253458][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.253458][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.253458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.253458][ T72] ip6_route_add+0x1c/0x140 [ 5515.253458][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5515.253458][ T72] inet6_addr_add+0x4f8/0xa40 [ 5515.253458][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.253458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.253458][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.253458][ T72] netlink_unicast+0x449/0x710 [ 5515.253458][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.253458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.253458][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.253458][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.253458][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.253458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.253458][ T72] [ 5515.256133][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5515.256133][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.256133][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.256133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.256133][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5515.256133][ T72] ipv6_add_addr+0x411/0x2000 [ 5515.256133][ T72] inet6_addr_add+0x30e/0xa40 [ 5515.256133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.256133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.256133][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.256133][ T72] netlink_unicast+0x449/0x710 [ 5515.256133][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.256133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.256133][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.256133][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.256133][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.256133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.256133][ T72] [ 5515.258825][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5515.258825][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.258825][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.258825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.258825][ T72] ip6_route_add+0x1c/0x140 [ 5515.258825][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.258825][ T72] addrconf_add_dev+0xe2/0x170 [ 5515.258825][ T72] inet6_addr_add+0x12f/0xa40 [ 5515.258825][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.258825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.258825][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.258825][ T72] netlink_unicast+0x449/0x710 [ 5515.258825][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.258825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.258825][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.258825][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.258825][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.258825][ T72] [ 5515.261522][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5515.261522][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5515.261522][ T72] ipv6_find_idev+0x102/0x170 [ 5515.261522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.261522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.261522][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.261522][ T72] netlink_unicast+0x449/0x710 [ 5515.261522][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.261522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.261522][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.261522][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.261522][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.261522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.261522][ T72] [ 5515.263611][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5515.263611][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5515.263611][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5515.263611][ T72] ipv6_find_idev+0x102/0x170 [ 5515.263611][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.263611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.263611][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.263611][ T72] netlink_unicast+0x449/0x710 [ 5515.263611][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.263611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.263611][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.263611][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.263611][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.263611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.263611][ T72] [ 5515.265771][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5515.266191][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5515.266191][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.266191][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.266191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.266191][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5515.266191][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5515.266191][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5515.266191][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5515.266191][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5515.266191][ T72] addrconf_dad_begin+0x310/0x670 [ 5515.266191][ T72] addrconf_dad_work+0x10b/0xab0 [ 5515.266191][ T72] process_one_work+0x84d/0x18a0 [ 5515.266191][ T72] worker_thread+0x587/0xd30 [ 5515.266191][ T72] kthread+0x28a/0x350 [ 5515.266191][ T72] ret_from_fork+0x31/0x70 [ 5515.266191][ T72] ret_from_fork_asm+0x1a/0x30 [ 5515.266191][ T72] [ 5515.268694][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5515.268694][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.268694][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.268694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.268694][ T72] ip6_route_add+0x1c/0x140 [ 5515.268694][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5515.268694][ T72] inet6_addr_add+0x4f8/0xa40 [ 5515.268694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.268694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.268694][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.268694][ T72] netlink_unicast+0x449/0x710 [ 5515.268694][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.268694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.268694][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.268694][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.268694][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.268694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.268694][ T72] [ 5515.271289][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5515.271289][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.271289][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.271289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.271289][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5515.271289][ T72] ipv6_add_addr+0x411/0x2000 [ 5515.271289][ T72] inet6_addr_add+0x30e/0xa40 [ 5515.271289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.271289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.271289][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.271289][ T72] netlink_unicast+0x449/0x710 [ 5515.271289][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.271289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.271289][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.271289][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.271289][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.271289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.271289][ T72] [ 5515.274539][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5515.274539][ T72] netdev_get_by_index+0x5e/0x80 [ 5515.274539][ T72] fib6_nh_init+0x3d8/0x1580 [ 5515.274539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5515.274539][ T72] ip6_route_add+0x1c/0x140 [ 5515.274539][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.274539][ T72] addrconf_add_dev+0xe2/0x170 [ 5515.274539][ T72] inet6_addr_add+0x12f/0xa40 [ 5515.274539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.274539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.274539][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.274539][ T72] netlink_unicast+0x449/0x710 [ 5515.274539][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.274539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.274539][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.274539][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.274539][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.274539][ T72] [ 5515.277137][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5515.277137][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5515.277137][ T72] ipv6_find_idev+0x102/0x170 [ 5515.277137][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.277137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.277137][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.277137][ T72] netlink_unicast+0x449/0x710 [ 5515.277137][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.277137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.277137][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.277137][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.277137][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.277137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.277137][ T72] [ 5515.279151][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5515.279151][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5515.279151][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5515.279151][ T72] ipv6_find_idev+0x102/0x170 [ 5515.279151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.279151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.279151][ T72] netlink_rcv_skb+0x130/0x360 [ 5515.279151][ T72] netlink_unicast+0x449/0x710 [ 5515.279151][ T72] netlink_sendmsg+0x723/0xbe0 [ 5515.279151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5515.279151][ T72] ___sys_sendmsg+0xee/0x170 [ 5515.279151][ T72] __sys_sendmsg+0xcd/0x170 [ 5515.279151][ T72] do_syscall_64+0xc6/0x1e0 [ 5515.279151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.279151][ T72] [ 5525.520901][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5525.521381][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5525.521381][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5525.521381][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5525.521381][ T72] fib6_nh_init+0xa22/0x1580 [ 5525.521381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.521381][ T72] ip6_route_add+0x1c/0x140 [ 5525.521381][ T72] inet6_rtm_newroute+0x104/0x110 [ 5525.521381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.521381][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.521381][ T72] netlink_unicast+0x449/0x710 [ 5525.521381][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.521381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.521381][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.521381][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.521381][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.521381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.521381][ T72] [ 5525.523715][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5525.523715][ T72] dst_init+0x84/0x4a0 [ 5525.523715][ T72] dst_alloc+0x97/0x150 [ 5525.523715][ T72] ip6_dst_alloc+0x23/0x90 [ 5525.523715][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5525.523715][ T72] ip6_pol_route+0x56f/0x840 [ 5525.523715][ T72] fib6_rule_lookup+0x456/0x630 [ 5525.523715][ T72] ip6_route_input+0x59c/0xa50 [ 5525.523715][ T72] ipv6_rcv+0x397/0x810 [ 5525.523715][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5525.523715][ T72] process_backlog+0x101/0x620 [ 5525.523715][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5525.523715][ T72] net_rx_action+0x495/0xbe0 [ 5525.523715][ T72] __do_softirq+0x1b5/0x7f6 [ 5525.523715][ T72] [ 5525.525659][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5525.525659][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.525659][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.525659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.525659][ T72] ip6_route_add+0x1c/0x140 [ 5525.525659][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5525.525659][ T72] inet6_addr_add+0x4f8/0xa40 [ 5525.525659][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.525659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.525659][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.525659][ T72] netlink_unicast+0x449/0x710 [ 5525.525659][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.525659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.525659][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.525659][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.525659][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.525659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.525659][ T72] [ 5525.528091][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5525.528091][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.528091][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.528091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.528091][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5525.528091][ T72] ipv6_add_addr+0x411/0x2000 [ 5525.528091][ T72] inet6_addr_add+0x30e/0xa40 [ 5525.528091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.528091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.528091][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.528091][ T72] netlink_unicast+0x449/0x710 [ 5525.528091][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.528091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.528091][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.528091][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.528091][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.528091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.528091][ T72] [ 5525.530474][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5525.530474][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.530474][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.530474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.530474][ T72] ip6_route_add+0x1c/0x140 [ 5525.530474][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.530474][ T72] addrconf_add_dev+0xe2/0x170 [ 5525.530474][ T72] inet6_addr_add+0x12f/0xa40 [ 5525.530474][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.530474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.530474][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.530474][ T72] netlink_unicast+0x449/0x710 [ 5525.530474][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.530474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.530474][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.530474][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.530474][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.530474][ T72] [ 5525.532813][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5525.532813][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5525.532813][ T72] ipv6_find_idev+0x102/0x170 [ 5525.532813][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.532813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.532813][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.532813][ T72] netlink_unicast+0x449/0x710 [ 5525.532813][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.532813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.532813][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.532813][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.532813][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.532813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.532813][ T72] [ 5525.534625][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5525.534625][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5525.534625][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5525.534625][ T72] ipv6_find_idev+0x102/0x170 [ 5525.534625][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.534625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.534625][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.534625][ T72] netlink_unicast+0x449/0x710 [ 5525.534625][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.534625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.534625][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.534625][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.534625][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.534625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.534625][ T72] [ 5525.536647][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5525.536988][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5525.536988][ T72] dst_init+0x84/0x4a0 [ 5525.536988][ T72] dst_alloc+0x97/0x150 [ 5525.536988][ T72] ip6_dst_alloc+0x23/0x90 [ 5525.536988][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5525.536988][ T72] ip6_pol_route+0x56f/0x840 [ 5525.536988][ T72] fib6_rule_lookup+0x456/0x630 [ 5525.536988][ T72] ip6_route_input+0x59c/0xa50 [ 5525.536988][ T72] ipv6_rcv+0x397/0x810 [ 5525.536988][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5525.536988][ T72] process_backlog+0x101/0x620 [ 5525.536988][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5525.536988][ T72] net_rx_action+0x495/0xbe0 [ 5525.536988][ T72] __do_softirq+0x1b5/0x7f6 [ 5525.536988][ T72] [ 5525.538978][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5525.538978][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.538978][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.538978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.538978][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5525.538978][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5525.538978][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5525.538978][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5525.538978][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5525.538978][ T72] addrconf_dad_begin+0x310/0x670 [ 5525.538978][ T72] addrconf_dad_work+0x10b/0xab0 [ 5525.538978][ T72] process_one_work+0x84d/0x18a0 [ 5525.538978][ T72] worker_thread+0x587/0xd30 [ 5525.538978][ T72] kthread+0x28a/0x350 [ 5525.538978][ T72] ret_from_fork+0x31/0x70 [ 5525.538978][ T72] ret_from_fork_asm+0x1a/0x30 [ 5525.538978][ T72] [ 5525.541248][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5525.541248][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.541248][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.541248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.541248][ T72] ip6_route_add+0x1c/0x140 [ 5525.541248][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5525.541248][ T72] inet6_addr_add+0x4f8/0xa40 [ 5525.541248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.541248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.541248][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.541248][ T72] netlink_unicast+0x449/0x710 [ 5525.541248][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.541248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.541248][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.541248][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.541248][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.541248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.541248][ T72] [ 5525.543682][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5525.543682][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.543682][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.543682][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.543682][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5525.543682][ T72] ipv6_add_addr+0x411/0x2000 [ 5525.543682][ T72] inet6_addr_add+0x30e/0xa40 [ 5525.543682][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.543682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.543682][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.543682][ T72] netlink_unicast+0x449/0x710 [ 5525.543682][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.543682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.543682][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.543682][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.543682][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.543682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.543682][ T72] [ 5525.546109][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5525.546109][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.546109][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.546109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.546109][ T72] ip6_route_add+0x1c/0x140 [ 5525.546109][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.546109][ T72] addrconf_add_dev+0xe2/0x170 [ 5525.546109][ T72] inet6_addr_add+0x12f/0xa40 [ 5525.546109][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.546109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.546109][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.546109][ T72] netlink_unicast+0x449/0x710 [ 5525.546109][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.546109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.546109][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.546109][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.546109][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.546109][ T72] [ 5525.548421][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5525.548421][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5525.548421][ T72] ipv6_find_idev+0x102/0x170 [ 5525.548421][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.548421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.548421][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.548421][ T72] netlink_unicast+0x449/0x710 [ 5525.548421][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.548421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.548421][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.548421][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.548421][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.548421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.548421][ T72] [ 5525.550304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5525.550304][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5525.550304][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5525.550304][ T72] ipv6_find_idev+0x102/0x170 [ 5525.550304][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.550304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.550304][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.550304][ T72] netlink_unicast+0x449/0x710 [ 5525.550304][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.550304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.550304][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.550304][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.550304][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.550304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.550304][ T72] [ 5525.552427][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5525.552815][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5525.552815][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5525.552815][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5525.552815][ T72] fib6_nh_init+0xa22/0x1580 [ 5525.552815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.552815][ T72] ip6_route_add+0x1c/0x140 [ 5525.552815][ T72] inet6_rtm_newroute+0x104/0x110 [ 5525.552815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.552815][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.552815][ T72] netlink_unicast+0x449/0x710 [ 5525.552815][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.552815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.552815][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.552815][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.552815][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.552815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.552815][ T72] [ 5525.555270][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5525.555270][ T72] dst_init+0x84/0x4a0 [ 5525.555270][ T72] dst_alloc+0x97/0x150 [ 5525.555270][ T72] ip6_dst_alloc+0x23/0x90 [ 5525.555270][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5525.555270][ T72] ip6_pol_route+0x56f/0x840 [ 5525.555270][ T72] fib6_rule_lookup+0x456/0x630 [ 5525.555270][ T72] ip6_route_input+0x59c/0xa50 [ 5525.555270][ T72] ipv6_rcv+0x397/0x810 [ 5525.555270][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5525.555270][ T72] process_backlog+0x101/0x620 [ 5525.555270][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5525.555270][ T72] net_rx_action+0x495/0xbe0 [ 5525.555270][ T72] __do_softirq+0x1b5/0x7f6 [ 5525.555270][ T72] [ 5525.557412][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5525.557412][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.557412][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.557412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.557412][ T72] ip6_route_add+0x1c/0x140 [ 5525.557412][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5525.557412][ T72] inet6_addr_add+0x4f8/0xa40 [ 5525.557412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.557412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.557412][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.557412][ T72] netlink_unicast+0x449/0x710 [ 5525.557412][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.557412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.557412][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.557412][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.557412][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.557412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.557412][ T72] [ 5525.560118][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5525.560118][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.560118][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.560118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.560118][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5525.560118][ T72] ipv6_add_addr+0x411/0x2000 [ 5525.560118][ T72] inet6_addr_add+0x30e/0xa40 [ 5525.560118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.560118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.560118][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.560118][ T72] netlink_unicast+0x449/0x710 [ 5525.560118][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.560118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.560118][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.560118][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.560118][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.560118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.560118][ T72] [ 5525.562771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5525.562771][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.562771][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.562771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.562771][ T72] ip6_route_add+0x1c/0x140 [ 5525.562771][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.562771][ T72] addrconf_add_dev+0xe2/0x170 [ 5525.562771][ T72] inet6_addr_add+0x12f/0xa40 [ 5525.562771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.562771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.562771][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.562771][ T72] netlink_unicast+0x449/0x710 [ 5525.562771][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.562771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.562771][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.562771][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.562771][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.562771][ T72] [ 5525.565400][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5525.565400][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5525.565400][ T72] ipv6_find_idev+0x102/0x170 [ 5525.565400][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.565400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.565400][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.565400][ T72] netlink_unicast+0x449/0x710 [ 5525.565400][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.565400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.565400][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.565400][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.565400][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.565400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.565400][ T72] [ 5525.567463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5525.567463][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5525.567463][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5525.567463][ T72] ipv6_find_idev+0x102/0x170 [ 5525.567463][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.567463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.567463][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.567463][ T72] netlink_unicast+0x449/0x710 [ 5525.567463][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.567463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.567463][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.567463][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.567463][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.567463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.567463][ T72] [ 5525.569680][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5525.570461][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5525.570461][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.570461][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.570461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.570461][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5525.570461][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5525.570461][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5525.570461][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5525.570461][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5525.570461][ T72] addrconf_dad_begin+0x310/0x670 [ 5525.570461][ T72] addrconf_dad_work+0x10b/0xab0 [ 5525.570461][ T72] process_one_work+0x84d/0x18a0 [ 5525.570461][ T72] worker_thread+0x587/0xd30 [ 5525.570461][ T72] kthread+0x28a/0x350 [ 5525.570461][ T72] ret_from_fork+0x31/0x70 [ 5525.570461][ T72] ret_from_fork_asm+0x1a/0x30 [ 5525.570461][ T72] [ 5525.572809][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5525.572809][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.572809][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.572809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.572809][ T72] ip6_route_add+0x1c/0x140 [ 5525.572809][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5525.572809][ T72] inet6_addr_add+0x4f8/0xa40 [ 5525.572809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.572809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.572809][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.572809][ T72] netlink_unicast+0x449/0x710 [ 5525.572809][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.572809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.572809][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.572809][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.572809][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.572809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.572809][ T72] [ 5525.575414][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5525.575414][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.575414][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.575414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.575414][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5525.575414][ T72] ipv6_add_addr+0x411/0x2000 [ 5525.575414][ T72] inet6_addr_add+0x30e/0xa40 [ 5525.575414][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.575414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.575414][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.575414][ T72] netlink_unicast+0x449/0x710 [ 5525.575414][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.575414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.575414][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.575414][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.575414][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.575414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.575414][ T72] [ 5525.578096][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5525.578096][ T72] netdev_get_by_index+0x5e/0x80 [ 5525.578096][ T72] fib6_nh_init+0x3d8/0x1580 [ 5525.578096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5525.578096][ T72] ip6_route_add+0x1c/0x140 [ 5525.578096][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.578096][ T72] addrconf_add_dev+0xe2/0x170 [ 5525.578096][ T72] inet6_addr_add+0x12f/0xa40 [ 5525.578096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.578096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.578096][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.578096][ T72] netlink_unicast+0x449/0x710 [ 5525.578096][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.578096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.578096][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.578096][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.578096][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.578096][ T72] [ 5525.580649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5525.580649][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5525.580649][ T72] ipv6_find_idev+0x102/0x170 [ 5525.580649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.580649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.580649][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.580649][ T72] netlink_unicast+0x449/0x710 [ 5525.580649][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.580649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.580649][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.580649][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.580649][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.580649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.580649][ T72] [ 5525.582713][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5525.582713][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5525.582713][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5525.582713][ T72] ipv6_find_idev+0x102/0x170 [ 5525.582713][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.582713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.582713][ T72] netlink_rcv_skb+0x130/0x360 [ 5525.582713][ T72] netlink_unicast+0x449/0x710 [ 5525.582713][ T72] netlink_sendmsg+0x723/0xbe0 [ 5525.582713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5525.582713][ T72] ___sys_sendmsg+0xee/0x170 [ 5525.582713][ T72] __sys_sendmsg+0xcd/0x170 [ 5525.582713][ T72] do_syscall_64+0xc6/0x1e0 [ 5525.582713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.582713][ T72] [ 5535.824904][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5535.825412][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5535.825412][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5535.825412][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5535.825412][ T72] fib6_nh_init+0xa22/0x1580 [ 5535.825412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.825412][ T72] ip6_route_add+0x1c/0x140 [ 5535.825412][ T72] inet6_rtm_newroute+0x104/0x110 [ 5535.825412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.825412][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.825412][ T72] netlink_unicast+0x449/0x710 [ 5535.825412][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.825412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.825412][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.825412][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.825412][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.825412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.825412][ T72] [ 5535.827469][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5535.827469][ T72] dst_init+0x84/0x4a0 [ 5535.827469][ T72] dst_alloc+0x97/0x150 [ 5535.827469][ T72] ip6_dst_alloc+0x23/0x90 [ 5535.827469][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5535.827469][ T72] ip6_pol_route+0x56f/0x840 [ 5535.827469][ T72] fib6_rule_lookup+0x456/0x630 [ 5535.827469][ T72] ip6_route_input+0x59c/0xa50 [ 5535.827469][ T72] ipv6_rcv+0x397/0x810 [ 5535.827469][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5535.827469][ T72] process_backlog+0x101/0x620 [ 5535.827469][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5535.827469][ T72] net_rx_action+0x495/0xbe0 [ 5535.827469][ T72] __do_softirq+0x1b5/0x7f6 [ 5535.827469][ T72] [ 5535.829251][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5535.829251][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.829251][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.829251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.829251][ T72] ip6_route_add+0x1c/0x140 [ 5535.829251][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5535.829251][ T72] inet6_addr_add+0x4f8/0xa40 [ 5535.829251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.829251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.829251][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.829251][ T72] netlink_unicast+0x449/0x710 [ 5535.829251][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.829251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.829251][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.829251][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.829251][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.829251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.829251][ T72] [ 5535.831403][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5535.831403][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.831403][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.831403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.831403][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5535.831403][ T72] ipv6_add_addr+0x411/0x2000 [ 5535.831403][ T72] inet6_addr_add+0x30e/0xa40 [ 5535.831403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.831403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.831403][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.831403][ T72] netlink_unicast+0x449/0x710 [ 5535.831403][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.831403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.831403][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.831403][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.831403][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.831403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.831403][ T72] [ 5535.833547][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5535.833547][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.833547][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.833547][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.833547][ T72] ip6_route_add+0x1c/0x140 [ 5535.833547][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5535.833547][ T72] addrconf_add_dev+0xe2/0x170 [ 5535.833547][ T72] inet6_addr_add+0x12f/0xa40 [ 5535.833547][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.833547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.833547][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.833547][ T72] netlink_unicast+0x449/0x710 [ 5535.833547][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.833547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.833547][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.833547][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.833547][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.833547][ T72] [ 5535.835657][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5535.835657][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5535.835657][ T72] ipv6_find_idev+0x102/0x170 [ 5535.835657][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.835657][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.835657][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.835657][ T72] netlink_unicast+0x449/0x710 [ 5535.835657][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.835657][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.835657][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.835657][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.835657][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.835657][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.835657][ T72] [ 5535.837305][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5535.837305][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5535.837305][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5535.837305][ T72] ipv6_find_idev+0x102/0x170 [ 5535.837305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.837305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.837305][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.837305][ T72] netlink_unicast+0x449/0x710 [ 5535.837305][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.837305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.837305][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.837305][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.837305][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.837305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.837305][ T72] [ 5535.839159][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5535.839451][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5535.839451][ T72] dst_init+0x84/0x4a0 [ 5535.839451][ T72] dst_alloc+0x97/0x150 [ 5535.839451][ T72] ip6_dst_alloc+0x23/0x90 [ 5535.839451][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5535.839451][ T72] ip6_pol_route+0x56f/0x840 [ 5535.839451][ T72] fib6_rule_lookup+0x456/0x630 [ 5535.839451][ T72] ip6_route_input+0x59c/0xa50 [ 5535.839451][ T72] ipv6_rcv+0x397/0x810 [ 5535.839451][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5535.839451][ T72] process_backlog+0x101/0x620 [ 5535.839451][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5535.839451][ T72] net_rx_action+0x495/0xbe0 [ 5535.839451][ T72] __do_softirq+0x1b5/0x7f6 [ 5535.839451][ T72] [ 5535.841269][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5535.841269][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.841269][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.841269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.841269][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5535.841269][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5535.841269][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5535.841269][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5535.841269][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5535.841269][ T72] addrconf_dad_begin+0x310/0x670 [ 5535.841269][ T72] addrconf_dad_work+0x10b/0xab0 [ 5535.841269][ T72] process_one_work+0x84d/0x18a0 [ 5535.841269][ T72] worker_thread+0x587/0xd30 [ 5535.841269][ T72] kthread+0x28a/0x350 [ 5535.841269][ T72] ret_from_fork+0x31/0x70 [ 5535.841269][ T72] ret_from_fork_asm+0x1a/0x30 [ 5535.841269][ T72] [ 5535.843380][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5535.843380][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.843380][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.843380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.843380][ T72] ip6_route_add+0x1c/0x140 [ 5535.843380][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5535.843380][ T72] inet6_addr_add+0x4f8/0xa40 [ 5535.843380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.843380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.843380][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.843380][ T72] netlink_unicast+0x449/0x710 [ 5535.843380][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.843380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.843380][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.843380][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.843380][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.843380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.843380][ T72] [ 5535.845522][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5535.845522][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.845522][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.845522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.845522][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5535.845522][ T72] ipv6_add_addr+0x411/0x2000 [ 5535.845522][ T72] inet6_addr_add+0x30e/0xa40 [ 5535.845522][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.845522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.845522][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.845522][ T72] netlink_unicast+0x449/0x710 [ 5535.845522][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.845522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.845522][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.845522][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.845522][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.845522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.845522][ T72] [ 5535.847728][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5535.847728][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.847728][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.847728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.847728][ T72] ip6_route_add+0x1c/0x140 [ 5535.847728][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5535.847728][ T72] addrconf_add_dev+0xe2/0x170 [ 5535.847728][ T72] inet6_addr_add+0x12f/0xa40 [ 5535.847728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.847728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.847728][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.847728][ T72] netlink_unicast+0x449/0x710 [ 5535.847728][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.847728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.847728][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.847728][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.847728][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.847728][ T72] [ 5535.849870][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5535.849870][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5535.849870][ T72] ipv6_find_idev+0x102/0x170 [ 5535.849870][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.849870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.849870][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.849870][ T72] netlink_unicast+0x449/0x710 [ 5535.849870][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.849870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.849870][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.849870][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.849870][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.849870][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.849870][ T72] [ 5535.851544][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5535.851544][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5535.851544][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5535.851544][ T72] ipv6_find_idev+0x102/0x170 [ 5535.851544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.851544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.851544][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.851544][ T72] netlink_unicast+0x449/0x710 [ 5535.851544][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.851544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.851544][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.851544][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.851544][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.851544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.851544][ T72] [ 5535.853411][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5535.853781][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5535.853781][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5535.853781][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5535.853781][ T72] fib6_nh_init+0xa22/0x1580 [ 5535.853781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.853781][ T72] ip6_route_add+0x1c/0x140 [ 5535.853781][ T72] inet6_rtm_newroute+0x104/0x110 [ 5535.853781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.853781][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.853781][ T72] netlink_unicast+0x449/0x710 [ 5535.853781][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.853781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.853781][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.853781][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.853781][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.853781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.853781][ T72] [ 5535.856067][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5535.856067][ T72] dst_init+0x84/0x4a0 [ 5535.856067][ T72] dst_alloc+0x97/0x150 [ 5535.856067][ T72] ip6_dst_alloc+0x23/0x90 [ 5535.856067][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5535.856067][ T72] ip6_pol_route+0x56f/0x840 [ 5535.856067][ T72] fib6_rule_lookup+0x456/0x630 [ 5535.856067][ T72] ip6_route_input+0x59c/0xa50 [ 5535.856067][ T72] ipv6_rcv+0x397/0x810 [ 5535.856067][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5535.856067][ T72] process_backlog+0x101/0x620 [ 5535.856067][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5535.856067][ T72] net_rx_action+0x495/0xbe0 [ 5535.856067][ T72] __do_softirq+0x1b5/0x7f6 [ 5535.856067][ T72] [ 5535.857992][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5535.857992][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.857992][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.857992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.857992][ T72] ip6_route_add+0x1c/0x140 [ 5535.857992][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5535.857992][ T72] inet6_addr_add+0x4f8/0xa40 [ 5535.857992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.857992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.857992][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.857992][ T72] netlink_unicast+0x449/0x710 [ 5535.857992][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.857992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.857992][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.857992][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.857992][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.857992][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.857992][ T72] [ 5535.860423][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5535.860423][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.860423][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.860423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.860423][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5535.860423][ T72] ipv6_add_addr+0x411/0x2000 [ 5535.860423][ T72] inet6_addr_add+0x30e/0xa40 [ 5535.860423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.860423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.860423][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.860423][ T72] netlink_unicast+0x449/0x710 [ 5535.860423][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.860423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.860423][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.860423][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.860423][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.860423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.860423][ T72] [ 5535.862841][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5535.862841][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.862841][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.862841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.862841][ T72] ip6_route_add+0x1c/0x140 [ 5535.862841][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5535.862841][ T72] addrconf_add_dev+0xe2/0x170 [ 5535.862841][ T72] inet6_addr_add+0x12f/0xa40 [ 5535.862841][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.862841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.862841][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.862841][ T72] netlink_unicast+0x449/0x710 [ 5535.862841][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.862841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.862841][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.862841][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.862841][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.862841][ T72] [ 5535.865259][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5535.865259][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5535.865259][ T72] ipv6_find_idev+0x102/0x170 [ 5535.865259][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.865259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.865259][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.865259][ T72] netlink_unicast+0x449/0x710 [ 5535.865259][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.865259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.865259][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.865259][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.865259][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.865259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.865259][ T72] [ 5535.867077][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5535.867077][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5535.867077][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5535.867077][ T72] ipv6_find_idev+0x102/0x170 [ 5535.867077][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.867077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.867077][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.867077][ T72] netlink_unicast+0x449/0x710 [ 5535.867077][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.867077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.867077][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.867077][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.867077][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.867077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.867077][ T72] [ 5535.869082][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5535.869374][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5535.869374][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.869374][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.869374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.869374][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5535.869374][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5535.869374][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5535.869374][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5535.869374][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5535.869374][ T72] addrconf_dad_begin+0x310/0x670 [ 5535.869374][ T72] addrconf_dad_work+0x10b/0xab0 [ 5535.869374][ T72] process_one_work+0x84d/0x18a0 [ 5535.869374][ T72] worker_thread+0x587/0xd30 [ 5535.869374][ T72] kthread+0x28a/0x350 [ 5535.869374][ T72] ret_from_fork+0x31/0x70 [ 5535.869374][ T72] ret_from_fork_asm+0x1a/0x30 [ 5535.869374][ T72] [ 5535.871704][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5535.871704][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.871704][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.871704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.871704][ T72] ip6_route_add+0x1c/0x140 [ 5535.871704][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5535.871704][ T72] inet6_addr_add+0x4f8/0xa40 [ 5535.871704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.871704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.871704][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.871704][ T72] netlink_unicast+0x449/0x710 [ 5535.871704][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.871704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.871704][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.871704][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.871704][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.871704][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.871704][ T72] [ 5535.874163][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5535.874163][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.874163][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.874163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.874163][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5535.874163][ T72] ipv6_add_addr+0x411/0x2000 [ 5535.874163][ T72] inet6_addr_add+0x30e/0xa40 [ 5535.874163][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.874163][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.874163][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.874163][ T72] netlink_unicast+0x449/0x710 [ 5535.874163][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.874163][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.874163][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.874163][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.874163][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.874163][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.874163][ T72] [ 5535.876638][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5535.876638][ T72] netdev_get_by_index+0x5e/0x80 [ 5535.876638][ T72] fib6_nh_init+0x3d8/0x1580 [ 5535.876638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5535.876638][ T72] ip6_route_add+0x1c/0x140 [ 5535.876638][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5535.876638][ T72] addrconf_add_dev+0xe2/0x170 [ 5535.876638][ T72] inet6_addr_add+0x12f/0xa40 [ 5535.876638][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.876638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.876638][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.876638][ T72] netlink_unicast+0x449/0x710 [ 5535.876638][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.876638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.876638][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.876638][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.876638][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.876638][ T72] [ 5535.878970][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5535.878970][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5535.878970][ T72] ipv6_find_idev+0x102/0x170 [ 5535.878970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.878970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.878970][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.878970][ T72] netlink_unicast+0x449/0x710 [ 5535.878970][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.878970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.878970][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.878970][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.878970][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.878970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.878970][ T72] [ 5535.880842][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5535.880842][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5535.880842][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5535.880842][ T72] ipv6_find_idev+0x102/0x170 [ 5535.880842][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5535.880842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.880842][ T72] netlink_rcv_skb+0x130/0x360 [ 5535.880842][ T72] netlink_unicast+0x449/0x710 [ 5535.880842][ T72] netlink_sendmsg+0x723/0xbe0 [ 5535.880842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5535.880842][ T72] ___sys_sendmsg+0xee/0x170 [ 5535.880842][ T72] __sys_sendmsg+0xcd/0x170 [ 5535.880842][ T72] do_syscall_64+0xc6/0x1e0 [ 5535.880842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.880842][ T72] [ 5546.105089][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5546.105601][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5546.105601][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5546.105601][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5546.105601][ T72] fib6_nh_init+0xa22/0x1580 [ 5546.105601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.105601][ T72] ip6_route_add+0x1c/0x140 [ 5546.105601][ T72] inet6_rtm_newroute+0x104/0x110 [ 5546.105601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.105601][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.105601][ T72] netlink_unicast+0x449/0x710 [ 5546.105601][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.105601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.105601][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.105601][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.105601][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.105601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.105601][ T72] [ 5546.107486][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5546.107486][ T72] dst_init+0x84/0x4a0 [ 5546.107486][ T72] dst_alloc+0x97/0x150 [ 5546.107486][ T72] ip6_dst_alloc+0x23/0x90 [ 5546.107486][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5546.107486][ T72] ip6_pol_route+0x56f/0x840 [ 5546.107486][ T72] fib6_rule_lookup+0x456/0x630 [ 5546.107486][ T72] ip6_route_input+0x59c/0xa50 [ 5546.107486][ T72] ipv6_rcv+0x397/0x810 [ 5546.107486][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5546.107486][ T72] process_backlog+0x101/0x620 [ 5546.107486][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5546.107486][ T72] net_rx_action+0x495/0xbe0 [ 5546.107486][ T72] __do_softirq+0x1b5/0x7f6 [ 5546.107486][ T72] [ 5546.109133][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5546.109133][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.109133][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.109133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.109133][ T72] ip6_route_add+0x1c/0x140 [ 5546.109133][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5546.109133][ T72] inet6_addr_add+0x4f8/0xa40 [ 5546.109133][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.109133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.109133][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.109133][ T72] netlink_unicast+0x449/0x710 [ 5546.109133][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.109133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.109133][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.109133][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.109133][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.109133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.109133][ T72] [ 5546.111124][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5546.111124][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.111124][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.111124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.111124][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5546.111124][ T72] ipv6_add_addr+0x411/0x2000 [ 5546.111124][ T72] inet6_addr_add+0x30e/0xa40 [ 5546.111124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.111124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.111124][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.111124][ T72] netlink_unicast+0x449/0x710 [ 5546.111124][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.111124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.111124][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.111124][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.111124][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.111124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.111124][ T72] [ 5546.113124][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5546.113124][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.113124][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.113124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.113124][ T72] ip6_route_add+0x1c/0x140 [ 5546.113124][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.113124][ T72] addrconf_add_dev+0xe2/0x170 [ 5546.113124][ T72] inet6_addr_add+0x12f/0xa40 [ 5546.113124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.113124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.113124][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.113124][ T72] netlink_unicast+0x449/0x710 [ 5546.113124][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.113124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.113124][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.113124][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.113124][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.113124][ T72] [ 5546.115080][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5546.115080][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5546.115080][ T72] ipv6_find_idev+0x102/0x170 [ 5546.115080][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.115080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.115080][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.115080][ T72] netlink_unicast+0x449/0x710 [ 5546.115080][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.115080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.115080][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.115080][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.115080][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.115080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.115080][ T72] [ 5546.117160][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5546.117160][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5546.117160][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5546.117160][ T72] ipv6_find_idev+0x102/0x170 [ 5546.117160][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.117160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.117160][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.117160][ T72] netlink_unicast+0x449/0x710 [ 5546.117160][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.117160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.117160][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.117160][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.117160][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.117160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.117160][ T72] [ 5546.118852][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5546.119121][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5546.119121][ T72] dst_init+0x84/0x4a0 [ 5546.119121][ T72] dst_alloc+0x97/0x150 [ 5546.119121][ T72] ip6_dst_alloc+0x23/0x90 [ 5546.119121][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5546.119121][ T72] ip6_pol_route+0x56f/0x840 [ 5546.119121][ T72] fib6_rule_lookup+0x456/0x630 [ 5546.119121][ T72] ip6_route_input+0x59c/0xa50 [ 5546.119121][ T72] ipv6_rcv+0x397/0x810 [ 5546.119121][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5546.119121][ T72] process_backlog+0x101/0x620 [ 5546.119121][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5546.119121][ T72] net_rx_action+0x495/0xbe0 [ 5546.119121][ T72] __do_softirq+0x1b5/0x7f6 [ 5546.119121][ T72] [ 5546.120758][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5546.120758][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.120758][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.120758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.120758][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5546.120758][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5546.120758][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5546.120758][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5546.120758][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5546.120758][ T72] addrconf_dad_begin+0x310/0x670 [ 5546.120758][ T72] addrconf_dad_work+0x10b/0xab0 [ 5546.120758][ T72] process_one_work+0x84d/0x18a0 [ 5546.120758][ T72] worker_thread+0x587/0xd30 [ 5546.120758][ T72] kthread+0x28a/0x350 [ 5546.120758][ T72] ret_from_fork+0x31/0x70 [ 5546.120758][ T72] ret_from_fork_asm+0x1a/0x30 [ 5546.120758][ T72] [ 5546.122657][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5546.122657][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.122657][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.122657][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.122657][ T72] ip6_route_add+0x1c/0x140 [ 5546.122657][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5546.122657][ T72] inet6_addr_add+0x4f8/0xa40 [ 5546.122657][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.122657][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.122657][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.122657][ T72] netlink_unicast+0x449/0x710 [ 5546.122657][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.122657][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.122657][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.122657][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.122657][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.122657][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.122657][ T72] [ 5546.124627][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5546.124627][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.124627][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.124627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.124627][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5546.124627][ T72] ipv6_add_addr+0x411/0x2000 [ 5546.124627][ T72] inet6_addr_add+0x30e/0xa40 [ 5546.124627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.124627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.124627][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.124627][ T72] netlink_unicast+0x449/0x710 [ 5546.124627][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.124627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.124627][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.124627][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.124627][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.124627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.124627][ T72] [ 5546.126599][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5546.126599][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.126599][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.126599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.126599][ T72] ip6_route_add+0x1c/0x140 [ 5546.126599][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.126599][ T72] addrconf_add_dev+0xe2/0x170 [ 5546.126599][ T72] inet6_addr_add+0x12f/0xa40 [ 5546.126599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.126599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.126599][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.126599][ T72] netlink_unicast+0x449/0x710 [ 5546.126599][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.126599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.126599][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.126599][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.126599][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.126599][ T72] [ 5546.128537][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5546.128537][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5546.128537][ T72] ipv6_find_idev+0x102/0x170 [ 5546.128537][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.128537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.128537][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.128537][ T72] netlink_unicast+0x449/0x710 [ 5546.128537][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.128537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.128537][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.128537][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.128537][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.128537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.128537][ T72] [ 5546.130052][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5546.130052][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5546.130052][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5546.130052][ T72] ipv6_find_idev+0x102/0x170 [ 5546.130052][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.130052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.130052][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.130052][ T72] netlink_unicast+0x449/0x710 [ 5546.130052][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.130052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.130052][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.130052][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.130052][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.130052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.130052][ T72] [ 5546.131786][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5546.132122][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5546.132122][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5546.132122][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5546.132122][ T72] fib6_nh_init+0xa22/0x1580 [ 5546.132122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.132122][ T72] ip6_route_add+0x1c/0x140 [ 5546.132122][ T72] inet6_rtm_newroute+0x104/0x110 [ 5546.132122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.132122][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.132122][ T72] netlink_unicast+0x449/0x710 [ 5546.132122][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.132122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.132122][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.132122][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.132122][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.132122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.132122][ T72] [ 5546.134911][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5546.134911][ T72] dst_init+0x84/0x4a0 [ 5546.134911][ T72] dst_alloc+0x97/0x150 [ 5546.134911][ T72] ip6_dst_alloc+0x23/0x90 [ 5546.134911][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5546.134911][ T72] ip6_pol_route+0x56f/0x840 [ 5546.134911][ T72] fib6_rule_lookup+0x456/0x630 [ 5546.134911][ T72] ip6_route_input+0x59c/0xa50 [ 5546.134911][ T72] ipv6_rcv+0x397/0x810 [ 5546.134911][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5546.134911][ T72] process_backlog+0x101/0x620 [ 5546.134911][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5546.134911][ T72] net_rx_action+0x495/0xbe0 [ 5546.134911][ T72] __do_softirq+0x1b5/0x7f6 [ 5546.134911][ T72] [ 5546.136710][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5546.136710][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.136710][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.136710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.136710][ T72] ip6_route_add+0x1c/0x140 [ 5546.136710][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5546.136710][ T72] inet6_addr_add+0x4f8/0xa40 [ 5546.136710][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.136710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.136710][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.136710][ T72] netlink_unicast+0x449/0x710 [ 5546.136710][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.136710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.136710][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.136710][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.136710][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.136710][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.136710][ T72] [ 5546.138931][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5546.138931][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.138931][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.138931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.138931][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5546.138931][ T72] ipv6_add_addr+0x411/0x2000 [ 5546.138931][ T72] inet6_addr_add+0x30e/0xa40 [ 5546.138931][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.138931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.138931][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.138931][ T72] netlink_unicast+0x449/0x710 [ 5546.138931][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.138931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.138931][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.138931][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.138931][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.138931][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.138931][ T72] [ 5546.141157][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5546.141157][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.141157][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.141157][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.141157][ T72] ip6_route_add+0x1c/0x140 [ 5546.141157][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.141157][ T72] addrconf_add_dev+0xe2/0x170 [ 5546.141157][ T72] inet6_addr_add+0x12f/0xa40 [ 5546.141157][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.141157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.141157][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.141157][ T72] netlink_unicast+0x449/0x710 [ 5546.141157][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.141157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.141157][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.141157][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.141157][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.141157][ T72] [ 5546.143412][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5546.143412][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5546.143412][ T72] ipv6_find_idev+0x102/0x170 [ 5546.143412][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.143412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.143412][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.143412][ T72] netlink_unicast+0x449/0x710 [ 5546.143412][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.143412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.143412][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.143412][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.143412][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.143412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.143412][ T72] [ 5546.145117][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5546.145117][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5546.145117][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5546.145117][ T72] ipv6_find_idev+0x102/0x170 [ 5546.145117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.145117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.145117][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.145117][ T72] netlink_unicast+0x449/0x710 [ 5546.145117][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.145117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.145117][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.145117][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.145117][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.145117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.145117][ T72] [ 5546.146963][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5546.147234][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5546.147234][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.147234][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.147234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.147234][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5546.147234][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5546.147234][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5546.147234][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5546.147234][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5546.147234][ T72] addrconf_dad_begin+0x310/0x670 [ 5546.147234][ T72] addrconf_dad_work+0x10b/0xab0 [ 5546.147234][ T72] process_one_work+0x84d/0x18a0 [ 5546.147234][ T72] worker_thread+0x587/0xd30 [ 5546.147234][ T72] kthread+0x28a/0x350 [ 5546.147234][ T72] ret_from_fork+0x31/0x70 [ 5546.147234][ T72] ret_from_fork_asm+0x1a/0x30 [ 5546.147234][ T72] [ 5546.149377][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5546.149377][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.149377][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.149377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.149377][ T72] ip6_route_add+0x1c/0x140 [ 5546.149377][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5546.149377][ T72] inet6_addr_add+0x4f8/0xa40 [ 5546.149377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.149377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.149377][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.149377][ T72] netlink_unicast+0x449/0x710 [ 5546.149377][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.149377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.149377][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.149377][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.149377][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.149377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.149377][ T72] [ 5546.151617][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5546.151617][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.151617][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.151617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.151617][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5546.151617][ T72] ipv6_add_addr+0x411/0x2000 [ 5546.151617][ T72] inet6_addr_add+0x30e/0xa40 [ 5546.151617][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.151617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.151617][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.151617][ T72] netlink_unicast+0x449/0x710 [ 5546.151617][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.151617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.151617][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.151617][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.151617][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.151617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.151617][ T72] [ 5546.153915][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5546.153915][ T72] netdev_get_by_index+0x5e/0x80 [ 5546.153915][ T72] fib6_nh_init+0x3d8/0x1580 [ 5546.153915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5546.153915][ T72] ip6_route_add+0x1c/0x140 [ 5546.153915][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.153915][ T72] addrconf_add_dev+0xe2/0x170 [ 5546.153915][ T72] inet6_addr_add+0x12f/0xa40 [ 5546.153915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.153915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.153915][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.153915][ T72] netlink_unicast+0x449/0x710 [ 5546.153915][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.153915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.153915][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.153915][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.153915][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.153915][ T72] [ 5546.156042][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5546.156042][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5546.156042][ T72] ipv6_find_idev+0x102/0x170 [ 5546.156042][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.156042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.156042][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.156042][ T72] netlink_unicast+0x449/0x710 [ 5546.156042][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.156042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.156042][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.156042][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.156042][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.156042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.156042][ T72] [ 5546.157752][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5546.157752][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5546.157752][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5546.157752][ T72] ipv6_find_idev+0x102/0x170 [ 5546.157752][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.157752][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.157752][ T72] netlink_rcv_skb+0x130/0x360 [ 5546.157752][ T72] netlink_unicast+0x449/0x710 [ 5546.157752][ T72] netlink_sendmsg+0x723/0xbe0 [ 5546.157752][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5546.157752][ T72] ___sys_sendmsg+0xee/0x170 [ 5546.157752][ T72] __sys_sendmsg+0xcd/0x170 [ 5546.157752][ T72] do_syscall_64+0xc6/0x1e0 [ 5546.157752][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.157752][ T72] [ 5556.400912][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5556.401424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5556.401424][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5556.401424][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5556.401424][ T72] fib6_nh_init+0xa22/0x1580 [ 5556.401424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.401424][ T72] ip6_route_add+0x1c/0x140 [ 5556.401424][ T72] inet6_rtm_newroute+0x104/0x110 [ 5556.401424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.401424][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.401424][ T72] netlink_unicast+0x449/0x710 [ 5556.401424][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.401424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.401424][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.401424][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.401424][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.401424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.401424][ T72] [ 5556.403278][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5556.403278][ T72] dst_init+0x84/0x4a0 [ 5556.403278][ T72] dst_alloc+0x97/0x150 [ 5556.403278][ T72] ip6_dst_alloc+0x23/0x90 [ 5556.403278][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5556.403278][ T72] ip6_pol_route+0x56f/0x840 [ 5556.403278][ T72] fib6_rule_lookup+0x456/0x630 [ 5556.403278][ T72] ip6_route_input+0x59c/0xa50 [ 5556.403278][ T72] ipv6_rcv+0x397/0x810 [ 5556.403278][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5556.403278][ T72] process_backlog+0x101/0x620 [ 5556.403278][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5556.403278][ T72] net_rx_action+0x495/0xbe0 [ 5556.403278][ T72] __do_softirq+0x1b5/0x7f6 [ 5556.403278][ T72] [ 5556.404887][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5556.404887][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.404887][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.404887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.404887][ T72] ip6_route_add+0x1c/0x140 [ 5556.404887][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5556.404887][ T72] inet6_addr_add+0x4f8/0xa40 [ 5556.404887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.404887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.404887][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.404887][ T72] netlink_unicast+0x449/0x710 [ 5556.404887][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.404887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.404887][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.404887][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.404887][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.404887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.404887][ T72] [ 5556.406856][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5556.406856][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.406856][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.406856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.406856][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5556.406856][ T72] ipv6_add_addr+0x411/0x2000 [ 5556.406856][ T72] inet6_addr_add+0x30e/0xa40 [ 5556.406856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.406856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.406856][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.406856][ T72] netlink_unicast+0x449/0x710 [ 5556.406856][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.406856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.406856][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.406856][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.406856][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.406856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.406856][ T72] [ 5556.408784][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5556.408784][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.408784][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.408784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.408784][ T72] ip6_route_add+0x1c/0x140 [ 5556.408784][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.408784][ T72] addrconf_add_dev+0xe2/0x170 [ 5556.408784][ T72] inet6_addr_add+0x12f/0xa40 [ 5556.408784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.408784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.408784][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.408784][ T72] netlink_unicast+0x449/0x710 [ 5556.408784][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.408784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.408784][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.408784][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.408784][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.408784][ T72] [ 5556.410724][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5556.410724][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5556.410724][ T72] ipv6_find_idev+0x102/0x170 [ 5556.410724][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.410724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.410724][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.410724][ T72] netlink_unicast+0x449/0x710 [ 5556.410724][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.410724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.410724][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.410724][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.410724][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.410724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.410724][ T72] [ 5556.412225][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5556.412225][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5556.412225][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5556.412225][ T72] ipv6_find_idev+0x102/0x170 [ 5556.412225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.412225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.412225][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.412225][ T72] netlink_unicast+0x449/0x710 [ 5556.412225][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.412225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.412225][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.412225][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.412225][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.412225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.412225][ T72] [ 5556.413862][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5556.414169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5556.414169][ T72] dst_init+0x84/0x4a0 [ 5556.414169][ T72] dst_alloc+0x97/0x150 [ 5556.414169][ T72] ip6_dst_alloc+0x23/0x90 [ 5556.414169][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5556.414169][ T72] ip6_pol_route+0x56f/0x840 [ 5556.414169][ T72] fib6_rule_lookup+0x456/0x630 [ 5556.414169][ T72] ip6_route_input+0x59c/0xa50 [ 5556.414169][ T72] ipv6_rcv+0x397/0x810 [ 5556.414169][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5556.414169][ T72] process_backlog+0x101/0x620 [ 5556.414169][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5556.414169][ T72] net_rx_action+0x495/0xbe0 [ 5556.414169][ T72] __do_softirq+0x1b5/0x7f6 [ 5556.414169][ T72] [ 5556.415786][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5556.415786][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.415786][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.415786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.415786][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5556.415786][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5556.415786][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5556.415786][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5556.415786][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5556.415786][ T72] addrconf_dad_begin+0x310/0x670 [ 5556.415786][ T72] addrconf_dad_work+0x10b/0xab0 [ 5556.415786][ T72] process_one_work+0x84d/0x18a0 [ 5556.415786][ T72] worker_thread+0x587/0xd30 [ 5556.415786][ T72] kthread+0x28a/0x350 [ 5556.415786][ T72] ret_from_fork+0x31/0x70 [ 5556.415786][ T72] ret_from_fork_asm+0x1a/0x30 [ 5556.415786][ T72] [ 5556.417682][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5556.417682][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.417682][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.417682][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.417682][ T72] ip6_route_add+0x1c/0x140 [ 5556.417682][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5556.417682][ T72] inet6_addr_add+0x4f8/0xa40 [ 5556.417682][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.417682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.417682][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.417682][ T72] netlink_unicast+0x449/0x710 [ 5556.417682][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.417682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.417682][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.417682][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.417682][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.417682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.417682][ T72] [ 5556.419641][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5556.419641][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.419641][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.419641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.419641][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5556.419641][ T72] ipv6_add_addr+0x411/0x2000 [ 5556.419641][ T72] inet6_addr_add+0x30e/0xa40 [ 5556.419641][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.419641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.419641][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.419641][ T72] netlink_unicast+0x449/0x710 [ 5556.419641][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.419641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.419641][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.419641][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.419641][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.419641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.419641][ T72] [ 5556.421562][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5556.421562][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.421562][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.421562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.421562][ T72] ip6_route_add+0x1c/0x140 [ 5556.421562][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.421562][ T72] addrconf_add_dev+0xe2/0x170 [ 5556.421562][ T72] inet6_addr_add+0x12f/0xa40 [ 5556.421562][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.421562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.421562][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.421562][ T72] netlink_unicast+0x449/0x710 [ 5556.421562][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.421562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.421562][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.421562][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.421562][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.421562][ T72] [ 5556.423532][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5556.423532][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5556.423532][ T72] ipv6_find_idev+0x102/0x170 [ 5556.423532][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.423532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.423532][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.423532][ T72] netlink_unicast+0x449/0x710 [ 5556.423532][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.423532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.423532][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.423532][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.423532][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.423532][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.423532][ T72] [ 5556.425077][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5556.425077][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5556.425077][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5556.425077][ T72] ipv6_find_idev+0x102/0x170 [ 5556.425077][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.425077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.425077][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.425077][ T72] netlink_unicast+0x449/0x710 [ 5556.425077][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.425077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.425077][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.425077][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.425077][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.425077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.425077][ T72] [ 5556.426830][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5556.427156][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5556.427156][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5556.427156][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5556.427156][ T72] fib6_nh_init+0xa22/0x1580 [ 5556.427156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.427156][ T72] ip6_route_add+0x1c/0x140 [ 5556.427156][ T72] inet6_rtm_newroute+0x104/0x110 [ 5556.427156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.427156][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.427156][ T72] netlink_unicast+0x449/0x710 [ 5556.427156][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.427156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.427156][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.427156][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.427156][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.427156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.427156][ T72] [ 5556.429265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5556.429265][ T72] dst_init+0x84/0x4a0 [ 5556.429265][ T72] dst_alloc+0x97/0x150 [ 5556.429265][ T72] ip6_dst_alloc+0x23/0x90 [ 5556.429265][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5556.429265][ T72] ip6_pol_route+0x56f/0x840 [ 5556.429265][ T72] fib6_rule_lookup+0x456/0x630 [ 5556.429265][ T72] ip6_route_input+0x59c/0xa50 [ 5556.429265][ T72] ipv6_rcv+0x397/0x810 [ 5556.429265][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5556.429265][ T72] process_backlog+0x101/0x620 [ 5556.429265][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5556.429265][ T72] net_rx_action+0x495/0xbe0 [ 5556.429265][ T72] __do_softirq+0x1b5/0x7f6 [ 5556.429265][ T72] [ 5556.431063][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5556.431063][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.431063][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.431063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.431063][ T72] ip6_route_add+0x1c/0x140 [ 5556.431063][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5556.431063][ T72] inet6_addr_add+0x4f8/0xa40 [ 5556.431063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.431063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.431063][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.431063][ T72] netlink_unicast+0x449/0x710 [ 5556.431063][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.431063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.431063][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.431063][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.431063][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.431063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.431063][ T72] [ 5556.433285][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5556.433285][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.433285][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.433285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.433285][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5556.433285][ T72] ipv6_add_addr+0x411/0x2000 [ 5556.433285][ T72] inet6_addr_add+0x30e/0xa40 [ 5556.433285][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.433285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.433285][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.433285][ T72] netlink_unicast+0x449/0x710 [ 5556.433285][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.433285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.433285][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.433285][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.433285][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.433285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.433285][ T72] [ 5556.435505][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5556.435505][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.435505][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.435505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.435505][ T72] ip6_route_add+0x1c/0x140 [ 5556.435505][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.435505][ T72] addrconf_add_dev+0xe2/0x170 [ 5556.435505][ T72] inet6_addr_add+0x12f/0xa40 [ 5556.435505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.435505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.435505][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.435505][ T72] netlink_unicast+0x449/0x710 [ 5556.435505][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.435505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.435505][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.435505][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.435505][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.435505][ T72] [ 5556.437749][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5556.437749][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5556.437749][ T72] ipv6_find_idev+0x102/0x170 [ 5556.437749][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.437749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.437749][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.437749][ T72] netlink_unicast+0x449/0x710 [ 5556.437749][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.437749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.437749][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.437749][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.437749][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.437749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.437749][ T72] [ 5556.439456][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5556.439456][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5556.439456][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5556.439456][ T72] ipv6_find_idev+0x102/0x170 [ 5556.439456][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.439456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.439456][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.439456][ T72] netlink_unicast+0x449/0x710 [ 5556.439456][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.439456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.439456][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.439456][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.439456][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.439456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.439456][ T72] [ 5556.441316][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5556.441584][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5556.441584][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.441584][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.441584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.441584][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5556.441584][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5556.441584][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5556.441584][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5556.441584][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5556.441584][ T72] addrconf_dad_begin+0x310/0x670 [ 5556.441584][ T72] addrconf_dad_work+0x10b/0xab0 [ 5556.441584][ T72] process_one_work+0x84d/0x18a0 [ 5556.441584][ T72] worker_thread+0x587/0xd30 [ 5556.441584][ T72] kthread+0x28a/0x350 [ 5556.441584][ T72] ret_from_fork+0x31/0x70 [ 5556.441584][ T72] ret_from_fork_asm+0x1a/0x30 [ 5556.441584][ T72] [ 5556.443734][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5556.443734][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.443734][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.443734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.443734][ T72] ip6_route_add+0x1c/0x140 [ 5556.443734][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5556.443734][ T72] inet6_addr_add+0x4f8/0xa40 [ 5556.443734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.443734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.443734][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.443734][ T72] netlink_unicast+0x449/0x710 [ 5556.443734][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.443734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.443734][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.443734][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.443734][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.443734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.443734][ T72] [ 5556.445965][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5556.445965][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.445965][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.445965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.445965][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5556.445965][ T72] ipv6_add_addr+0x411/0x2000 [ 5556.445965][ T72] inet6_addr_add+0x30e/0xa40 [ 5556.445965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.445965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.445965][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.445965][ T72] netlink_unicast+0x449/0x710 [ 5556.445965][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.445965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.445965][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.445965][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.445965][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.445965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.445965][ T72] [ 5556.448252][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5556.448252][ T72] netdev_get_by_index+0x5e/0x80 [ 5556.448252][ T72] fib6_nh_init+0x3d8/0x1580 [ 5556.448252][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5556.448252][ T72] ip6_route_add+0x1c/0x140 [ 5556.448252][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.448252][ T72] addrconf_add_dev+0xe2/0x170 [ 5556.448252][ T72] inet6_addr_add+0x12f/0xa40 [ 5556.448252][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.448252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.448252][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.448252][ T72] netlink_unicast+0x449/0x710 [ 5556.448252][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.448252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.448252][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.448252][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.448252][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.448252][ T72] [ 5556.450382][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5556.450382][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5556.450382][ T72] ipv6_find_idev+0x102/0x170 [ 5556.450382][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.450382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.450382][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.450382][ T72] netlink_unicast+0x449/0x710 [ 5556.450382][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.450382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.450382][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.450382][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.450382][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.450382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.450382][ T72] [ 5556.452103][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5556.452103][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5556.452103][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5556.452103][ T72] ipv6_find_idev+0x102/0x170 [ 5556.452103][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.452103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.452103][ T72] netlink_rcv_skb+0x130/0x360 [ 5556.452103][ T72] netlink_unicast+0x449/0x710 [ 5556.452103][ T72] netlink_sendmsg+0x723/0xbe0 [ 5556.452103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5556.452103][ T72] ___sys_sendmsg+0xee/0x170 [ 5556.452103][ T72] __sys_sendmsg+0xcd/0x170 [ 5556.452103][ T72] do_syscall_64+0xc6/0x1e0 [ 5556.452103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.452103][ T72] [ 5566.696920][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5566.697409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5566.697409][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5566.697409][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5566.697409][ T72] fib6_nh_init+0xa22/0x1580 [ 5566.697409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.697409][ T72] ip6_route_add+0x1c/0x140 [ 5566.697409][ T72] inet6_rtm_newroute+0x104/0x110 [ 5566.697409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.697409][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.697409][ T72] netlink_unicast+0x449/0x710 [ 5566.697409][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.697409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.697409][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.697409][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.697409][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.697409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.697409][ T72] [ 5566.699321][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5566.699321][ T72] dst_init+0x84/0x4a0 [ 5566.699321][ T72] dst_alloc+0x97/0x150 [ 5566.699321][ T72] ip6_dst_alloc+0x23/0x90 [ 5566.699321][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5566.699321][ T72] ip6_pol_route+0x56f/0x840 [ 5566.699321][ T72] fib6_rule_lookup+0x456/0x630 [ 5566.699321][ T72] ip6_route_input+0x59c/0xa50 [ 5566.699321][ T72] ipv6_rcv+0x397/0x810 [ 5566.699321][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5566.699321][ T72] process_backlog+0x101/0x620 [ 5566.699321][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5566.699321][ T72] net_rx_action+0x495/0xbe0 [ 5566.699321][ T72] __do_softirq+0x1b5/0x7f6 [ 5566.699321][ T72] [ 5566.700973][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5566.700973][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.700973][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.700973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.700973][ T72] ip6_route_add+0x1c/0x140 [ 5566.700973][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5566.700973][ T72] inet6_addr_add+0x4f8/0xa40 [ 5566.700973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.700973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.700973][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.700973][ T72] netlink_unicast+0x449/0x710 [ 5566.700973][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.700973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.700973][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.700973][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.700973][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.700973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.700973][ T72] [ 5566.702967][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5566.702967][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.702967][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.702967][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.702967][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5566.702967][ T72] ipv6_add_addr+0x411/0x2000 [ 5566.702967][ T72] inet6_addr_add+0x30e/0xa40 [ 5566.702967][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.702967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.702967][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.702967][ T72] netlink_unicast+0x449/0x710 [ 5566.702967][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.702967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.702967][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.702967][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.702967][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.702967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.702967][ T72] [ 5566.704940][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5566.704940][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.704940][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.704940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.704940][ T72] ip6_route_add+0x1c/0x140 [ 5566.704940][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.704940][ T72] addrconf_add_dev+0xe2/0x170 [ 5566.704940][ T72] inet6_addr_add+0x12f/0xa40 [ 5566.704940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.704940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.704940][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.704940][ T72] netlink_unicast+0x449/0x710 [ 5566.704940][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.704940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.704940][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.704940][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.704940][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.704940][ T72] [ 5566.706833][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5566.706833][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5566.706833][ T72] ipv6_find_idev+0x102/0x170 [ 5566.706833][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.706833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.706833][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.706833][ T72] netlink_unicast+0x449/0x710 [ 5566.706833][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.706833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.706833][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.706833][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.706833][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.706833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.706833][ T72] [ 5566.708321][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5566.708321][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5566.708321][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5566.708321][ T72] ipv6_find_idev+0x102/0x170 [ 5566.708321][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.708321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.708321][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.708321][ T72] netlink_unicast+0x449/0x710 [ 5566.708321][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.708321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.708321][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.708321][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.708321][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.708321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.708321][ T72] [ 5566.709948][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5566.710235][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5566.710235][ T72] dst_init+0x84/0x4a0 [ 5566.710235][ T72] dst_alloc+0x97/0x150 [ 5566.710235][ T72] ip6_dst_alloc+0x23/0x90 [ 5566.710235][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5566.710235][ T72] ip6_pol_route+0x56f/0x840 [ 5566.710235][ T72] fib6_rule_lookup+0x456/0x630 [ 5566.710235][ T72] ip6_route_input+0x59c/0xa50 [ 5566.710235][ T72] ipv6_rcv+0x397/0x810 [ 5566.710235][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5566.710235][ T72] process_backlog+0x101/0x620 [ 5566.710235][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5566.710235][ T72] net_rx_action+0x495/0xbe0 [ 5566.710235][ T72] __do_softirq+0x1b5/0x7f6 [ 5566.710235][ T72] [ 5566.711864][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5566.711864][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.711864][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.711864][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.711864][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5566.711864][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5566.711864][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5566.711864][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5566.711864][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5566.711864][ T72] addrconf_dad_begin+0x310/0x670 [ 5566.711864][ T72] addrconf_dad_work+0x10b/0xab0 [ 5566.711864][ T72] process_one_work+0x84d/0x18a0 [ 5566.711864][ T72] worker_thread+0x587/0xd30 [ 5566.711864][ T72] kthread+0x28a/0x350 [ 5566.711864][ T72] ret_from_fork+0x31/0x70 [ 5566.711864][ T72] ret_from_fork_asm+0x1a/0x30 [ 5566.711864][ T72] [ 5566.713759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5566.713759][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.713759][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.713759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.713759][ T72] ip6_route_add+0x1c/0x140 [ 5566.713759][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5566.713759][ T72] inet6_addr_add+0x4f8/0xa40 [ 5566.713759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.713759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.713759][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.713759][ T72] netlink_unicast+0x449/0x710 [ 5566.713759][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.713759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.713759][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.713759][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.713759][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.713759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.713759][ T72] [ 5566.715736][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5566.715736][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.715736][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.715736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.715736][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5566.715736][ T72] ipv6_add_addr+0x411/0x2000 [ 5566.715736][ T72] inet6_addr_add+0x30e/0xa40 [ 5566.715736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.715736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.715736][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.715736][ T72] netlink_unicast+0x449/0x710 [ 5566.715736][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.715736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.715736][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.715736][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.715736][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.715736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.715736][ T72] [ 5566.717716][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5566.717716][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.717716][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.717716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.717716][ T72] ip6_route_add+0x1c/0x140 [ 5566.717716][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.717716][ T72] addrconf_add_dev+0xe2/0x170 [ 5566.717716][ T72] inet6_addr_add+0x12f/0xa40 [ 5566.717716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.717716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.717716][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.717716][ T72] netlink_unicast+0x449/0x710 [ 5566.717716][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.717716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.717716][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.717716][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.717716][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.717716][ T72] [ 5566.719670][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5566.719670][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5566.719670][ T72] ipv6_find_idev+0x102/0x170 [ 5566.719670][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.719670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.719670][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.719670][ T72] netlink_unicast+0x449/0x710 [ 5566.719670][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.719670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.719670][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.719670][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.719670][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.719670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.719670][ T72] [ 5566.721193][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5566.721193][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5566.721193][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5566.721193][ T72] ipv6_find_idev+0x102/0x170 [ 5566.721193][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.721193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.721193][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.721193][ T72] netlink_unicast+0x449/0x710 [ 5566.721193][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.721193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.721193][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.721193][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.721193][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.721193][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.721193][ T72] [ 5566.722937][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5566.723258][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5566.723258][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5566.723258][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5566.723258][ T72] fib6_nh_init+0xa22/0x1580 [ 5566.723258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.723258][ T72] ip6_route_add+0x1c/0x140 [ 5566.723258][ T72] inet6_rtm_newroute+0x104/0x110 [ 5566.723258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.723258][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.723258][ T72] netlink_unicast+0x449/0x710 [ 5566.723258][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.723258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.723258][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.723258][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.723258][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.723258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.723258][ T72] [ 5566.725355][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5566.725355][ T72] dst_init+0x84/0x4a0 [ 5566.725355][ T72] dst_alloc+0x97/0x150 [ 5566.725355][ T72] ip6_dst_alloc+0x23/0x90 [ 5566.725355][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5566.725355][ T72] ip6_pol_route+0x56f/0x840 [ 5566.725355][ T72] fib6_rule_lookup+0x456/0x630 [ 5566.725355][ T72] ip6_route_input+0x59c/0xa50 [ 5566.725355][ T72] ipv6_rcv+0x397/0x810 [ 5566.725355][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5566.725355][ T72] process_backlog+0x101/0x620 [ 5566.725355][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5566.725355][ T72] net_rx_action+0x495/0xbe0 [ 5566.725355][ T72] __do_softirq+0x1b5/0x7f6 [ 5566.725355][ T72] [ 5566.727154][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5566.727154][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.727154][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.727154][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.727154][ T72] ip6_route_add+0x1c/0x140 [ 5566.727154][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5566.727154][ T72] inet6_addr_add+0x4f8/0xa40 [ 5566.727154][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.727154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.727154][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.727154][ T72] netlink_unicast+0x449/0x710 [ 5566.727154][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.727154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.727154][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.727154][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.727154][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.727154][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.727154][ T72] [ 5566.729369][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5566.729369][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.729369][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.729369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.729369][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5566.729369][ T72] ipv6_add_addr+0x411/0x2000 [ 5566.729369][ T72] inet6_addr_add+0x30e/0xa40 [ 5566.729369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.729369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.729369][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.729369][ T72] netlink_unicast+0x449/0x710 [ 5566.729369][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.729369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.729369][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.729369][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.729369][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.729369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.729369][ T72] [ 5566.731585][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5566.731585][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.731585][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.731585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.731585][ T72] ip6_route_add+0x1c/0x140 [ 5566.731585][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.731585][ T72] addrconf_add_dev+0xe2/0x170 [ 5566.731585][ T72] inet6_addr_add+0x12f/0xa40 [ 5566.731585][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.731585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.731585][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.731585][ T72] netlink_unicast+0x449/0x710 [ 5566.731585][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.731585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.731585][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.731585][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.731585][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.731585][ T72] [ 5566.733834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5566.733834][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5566.733834][ T72] ipv6_find_idev+0x102/0x170 [ 5566.733834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.733834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.733834][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.733834][ T72] netlink_unicast+0x449/0x710 [ 5566.733834][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.733834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.733834][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.733834][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.733834][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.733834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.733834][ T72] [ 5566.735534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5566.735534][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5566.735534][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5566.735534][ T72] ipv6_find_idev+0x102/0x170 [ 5566.735534][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.735534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.735534][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.735534][ T72] netlink_unicast+0x449/0x710 [ 5566.735534][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.735534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.735534][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.735534][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.735534][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.735534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.735534][ T72] [ 5566.737914][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5566.738197][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5566.738197][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.738197][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.738197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.738197][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5566.738197][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5566.738197][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5566.738197][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5566.738197][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5566.738197][ T72] addrconf_dad_begin+0x310/0x670 [ 5566.738197][ T72] addrconf_dad_work+0x10b/0xab0 [ 5566.738197][ T72] process_one_work+0x84d/0x18a0 [ 5566.738197][ T72] worker_thread+0x587/0xd30 [ 5566.738197][ T72] kthread+0x28a/0x350 [ 5566.738197][ T72] ret_from_fork+0x31/0x70 [ 5566.738197][ T72] ret_from_fork_asm+0x1a/0x30 [ 5566.738197][ T72] [ 5566.740323][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5566.740323][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.740323][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.740323][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.740323][ T72] ip6_route_add+0x1c/0x140 [ 5566.740323][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5566.740323][ T72] inet6_addr_add+0x4f8/0xa40 [ 5566.740323][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.740323][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.740323][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.740323][ T72] netlink_unicast+0x449/0x710 [ 5566.740323][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.740323][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.740323][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.740323][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.740323][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.740323][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.740323][ T72] [ 5566.742552][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5566.742552][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.742552][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.742552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.742552][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5566.742552][ T72] ipv6_add_addr+0x411/0x2000 [ 5566.742552][ T72] inet6_addr_add+0x30e/0xa40 [ 5566.742552][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.742552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.742552][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.742552][ T72] netlink_unicast+0x449/0x710 [ 5566.742552][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.742552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.742552][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.742552][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.742552][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.742552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.742552][ T72] [ 5566.744825][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5566.744825][ T72] netdev_get_by_index+0x5e/0x80 [ 5566.744825][ T72] fib6_nh_init+0x3d8/0x1580 [ 5566.744825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5566.744825][ T72] ip6_route_add+0x1c/0x140 [ 5566.744825][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.744825][ T72] addrconf_add_dev+0xe2/0x170 [ 5566.744825][ T72] inet6_addr_add+0x12f/0xa40 [ 5566.744825][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.744825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.744825][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.744825][ T72] netlink_unicast+0x449/0x710 [ 5566.744825][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.744825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.744825][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.744825][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.744825][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.744825][ T72] [ 5566.747565][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5566.747565][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5566.747565][ T72] ipv6_find_idev+0x102/0x170 [ 5566.747565][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.747565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.747565][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.747565][ T72] netlink_unicast+0x449/0x710 [ 5566.747565][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.747565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.747565][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.747565][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.747565][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.747565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.747565][ T72] [ 5566.749265][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5566.749265][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5566.749265][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5566.749265][ T72] ipv6_find_idev+0x102/0x170 [ 5566.749265][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.749265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.749265][ T72] netlink_rcv_skb+0x130/0x360 [ 5566.749265][ T72] netlink_unicast+0x449/0x710 [ 5566.749265][ T72] netlink_sendmsg+0x723/0xbe0 [ 5566.749265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5566.749265][ T72] ___sys_sendmsg+0xee/0x170 [ 5566.749265][ T72] __sys_sendmsg+0xcd/0x170 [ 5566.749265][ T72] do_syscall_64+0xc6/0x1e0 [ 5566.749265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.749265][ T72] [ 5576.992839][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5576.993333][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5576.993333][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5576.993333][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5576.993333][ T72] fib6_nh_init+0xa22/0x1580 [ 5576.993333][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5576.993333][ T72] ip6_route_add+0x1c/0x140 [ 5576.993333][ T72] inet6_rtm_newroute+0x104/0x110 [ 5576.993333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.993333][ T72] netlink_rcv_skb+0x130/0x360 [ 5576.993333][ T72] netlink_unicast+0x449/0x710 [ 5576.993333][ T72] netlink_sendmsg+0x723/0xbe0 [ 5576.993333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5576.993333][ T72] ___sys_sendmsg+0xee/0x170 [ 5576.993333][ T72] __sys_sendmsg+0xcd/0x170 [ 5576.993333][ T72] do_syscall_64+0xc6/0x1e0 [ 5576.993333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.993333][ T72] [ 5576.995238][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5576.995238][ T72] dst_init+0x84/0x4a0 [ 5576.995238][ T72] dst_alloc+0x97/0x150 [ 5576.995238][ T72] ip6_dst_alloc+0x23/0x90 [ 5576.995238][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5576.995238][ T72] ip6_pol_route+0x56f/0x840 [ 5576.995238][ T72] fib6_rule_lookup+0x456/0x630 [ 5576.995238][ T72] ip6_route_input+0x59c/0xa50 [ 5576.995238][ T72] ipv6_rcv+0x397/0x810 [ 5576.995238][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5576.995238][ T72] process_backlog+0x101/0x620 [ 5576.995238][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5576.995238][ T72] net_rx_action+0x495/0xbe0 [ 5576.995238][ T72] __do_softirq+0x1b5/0x7f6 [ 5576.995238][ T72] [ 5576.996849][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5576.996849][ T72] netdev_get_by_index+0x5e/0x80 [ 5576.996849][ T72] fib6_nh_init+0x3d8/0x1580 [ 5576.996849][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5576.996849][ T72] ip6_route_add+0x1c/0x140 [ 5576.996849][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5576.996849][ T72] inet6_addr_add+0x4f8/0xa40 [ 5576.996849][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.996849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.996849][ T72] netlink_rcv_skb+0x130/0x360 [ 5576.996849][ T72] netlink_unicast+0x449/0x710 [ 5576.996849][ T72] netlink_sendmsg+0x723/0xbe0 [ 5576.996849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5576.996849][ T72] ___sys_sendmsg+0xee/0x170 [ 5576.996849][ T72] __sys_sendmsg+0xcd/0x170 [ 5576.996849][ T72] do_syscall_64+0xc6/0x1e0 [ 5576.996849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.996849][ T72] [ 5576.998853][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5576.998853][ T72] netdev_get_by_index+0x5e/0x80 [ 5576.998853][ T72] fib6_nh_init+0x3d8/0x1580 [ 5576.998853][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5576.998853][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5576.998853][ T72] ipv6_add_addr+0x411/0x2000 [ 5576.998853][ T72] inet6_addr_add+0x30e/0xa40 [ 5576.998853][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.998853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.998853][ T72] netlink_rcv_skb+0x130/0x360 [ 5576.998853][ T72] netlink_unicast+0x449/0x710 [ 5576.998853][ T72] netlink_sendmsg+0x723/0xbe0 [ 5576.998853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5576.998853][ T72] ___sys_sendmsg+0xee/0x170 [ 5576.998853][ T72] __sys_sendmsg+0xcd/0x170 [ 5576.998853][ T72] do_syscall_64+0xc6/0x1e0 [ 5576.998853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.998853][ T72] [ 5577.000829][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5577.000829][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.000829][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.000829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.000829][ T72] ip6_route_add+0x1c/0x140 [ 5577.000829][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5577.000829][ T72] addrconf_add_dev+0xe2/0x170 [ 5577.000829][ T72] inet6_addr_add+0x12f/0xa40 [ 5577.000829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.000829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.000829][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.000829][ T72] netlink_unicast+0x449/0x710 [ 5577.000829][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.000829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.000829][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.000829][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.000829][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.000829][ T72] [ 5577.002785][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5577.002785][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5577.002785][ T72] ipv6_find_idev+0x102/0x170 [ 5577.002785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5577.002785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.002785][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.002785][ T72] netlink_unicast+0x449/0x710 [ 5577.002785][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.002785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.002785][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.002785][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.002785][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.002785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.002785][ T72] [ 5577.004296][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5577.004296][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5577.004296][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5577.004296][ T72] ipv6_find_idev+0x102/0x170 [ 5577.004296][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5577.004296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.004296][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.004296][ T72] netlink_unicast+0x449/0x710 [ 5577.004296][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.004296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.004296][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.004296][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.004296][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.004296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.004296][ T72] [ 5577.005983][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5577.006268][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5577.006268][ T72] dst_init+0x84/0x4a0 [ 5577.006268][ T72] dst_alloc+0x97/0x150 [ 5577.006268][ T72] ip6_dst_alloc+0x23/0x90 [ 5577.006268][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5577.006268][ T72] ip6_pol_route+0x56f/0x840 [ 5577.006268][ T72] fib6_rule_lookup+0x456/0x630 [ 5577.006268][ T72] ip6_route_input+0x59c/0xa50 [ 5577.006268][ T72] ipv6_rcv+0x397/0x810 [ 5577.006268][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5577.006268][ T72] process_backlog+0x101/0x620 [ 5577.006268][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5577.006268][ T72] net_rx_action+0x495/0xbe0 [ 5577.006268][ T72] __do_softirq+0x1b5/0x7f6 [ 5577.006268][ T72] [ 5577.007895][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5577.007895][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.007895][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.007895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.007895][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5577.007895][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5577.007895][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5577.007895][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5577.007895][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5577.007895][ T72] addrconf_dad_begin+0x310/0x670 [ 5577.007895][ T72] addrconf_dad_work+0x10b/0xab0 [ 5577.007895][ T72] process_one_work+0x84d/0x18a0 [ 5577.007895][ T72] worker_thread+0x587/0xd30 [ 5577.007895][ T72] kthread+0x28a/0x350 [ 5577.007895][ T72] ret_from_fork+0x31/0x70 [ 5577.007895][ T72] ret_from_fork_asm+0x1a/0x30 [ 5577.007895][ T72] [ 5577.009753][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5577.009753][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.009753][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.009753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.009753][ T72] ip6_route_add+0x1c/0x140 [ 5577.009753][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5577.009753][ T72] inet6_addr_add+0x4f8/0xa40 [ 5577.009753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.009753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.009753][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.009753][ T72] netlink_unicast+0x449/0x710 [ 5577.009753][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.009753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.009753][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.009753][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.009753][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.009753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.009753][ T72] [ 5577.011723][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5577.011723][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.011723][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.011723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.011723][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5577.011723][ T72] ipv6_add_addr+0x411/0x2000 [ 5577.011723][ T72] inet6_addr_add+0x30e/0xa40 [ 5577.011723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.011723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.011723][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.011723][ T72] netlink_unicast+0x449/0x710 [ 5577.011723][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.011723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.011723][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.011723][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.011723][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.011723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.011723][ T72] [ 5577.013696][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5577.013696][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.013696][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.013696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.013696][ T72] ip6_route_add+0x1c/0x140 [ 5577.013696][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5577.013696][ T72] addrconf_add_dev+0xe2/0x170 [ 5577.013696][ T72] inet6_addr_add+0x12f/0xa40 [ 5577.013696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.013696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.013696][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.013696][ T72] netlink_unicast+0x449/0x710 [ 5577.013696][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.013696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.013696][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.013696][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.013696][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.013696][ T72] [ 5577.015587][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5577.015587][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5577.015587][ T72] ipv6_find_idev+0x102/0x170 [ 5577.015587][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5577.015587][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.015587][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.015587][ T72] netlink_unicast+0x449/0x710 [ 5577.015587][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.015587][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.015587][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.015587][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.015587][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.015587][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.015587][ T72] [ 5577.017124][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5577.017124][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5577.017124][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5577.017124][ T72] ipv6_find_idev+0x102/0x170 [ 5577.017124][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5577.017124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.017124][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.017124][ T72] netlink_unicast+0x449/0x710 [ 5577.017124][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.017124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.017124][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.017124][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.017124][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.017124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.017124][ T72] [ 5577.018832][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5577.019159][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5577.019159][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5577.019159][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5577.019159][ T72] fib6_nh_init+0xa22/0x1580 [ 5577.019159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.019159][ T72] ip6_route_add+0x1c/0x140 [ 5577.019159][ T72] inet6_rtm_newroute+0x104/0x110 [ 5577.019159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.019159][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.019159][ T72] netlink_unicast+0x449/0x710 [ 5577.019159][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.019159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.019159][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.019159][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.019159][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.019159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.019159][ T72] [ 5577.021262][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5577.021262][ T72] dst_init+0x84/0x4a0 [ 5577.021262][ T72] dst_alloc+0x97/0x150 [ 5577.021262][ T72] ip6_dst_alloc+0x23/0x90 [ 5577.021262][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5577.021262][ T72] ip6_pol_route+0x56f/0x840 [ 5577.021262][ T72] fib6_rule_lookup+0x456/0x630 [ 5577.021262][ T72] ip6_route_input+0x59c/0xa50 [ 5577.021262][ T72] ipv6_rcv+0x397/0x810 [ 5577.021262][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5577.021262][ T72] process_backlog+0x101/0x620 [ 5577.021262][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5577.021262][ T72] net_rx_action+0x495/0xbe0 [ 5577.021262][ T72] __do_softirq+0x1b5/0x7f6 [ 5577.021262][ T72] [ 5577.023092][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5577.023092][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.023092][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.023092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.023092][ T72] ip6_route_add+0x1c/0x140 [ 5577.023092][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5577.023092][ T72] inet6_addr_add+0x4f8/0xa40 [ 5577.023092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.023092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.023092][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.023092][ T72] netlink_unicast+0x449/0x710 [ 5577.023092][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.023092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.023092][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.023092][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.023092][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.023092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.023092][ T72] [ 5577.025308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5577.025308][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.025308][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.025308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.025308][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5577.025308][ T72] ipv6_add_addr+0x411/0x2000 [ 5577.025308][ T72] inet6_addr_add+0x30e/0xa40 [ 5577.025308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.025308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.025308][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.025308][ T72] netlink_unicast+0x449/0x710 [ 5577.025308][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.025308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.025308][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.025308][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.025308][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.025308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.025308][ T72] [ 5577.027531][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5577.027531][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.027531][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.027531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.027531][ T72] ip6_route_add+0x1c/0x140 [ 5577.027531][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5577.027531][ T72] addrconf_add_dev+0xe2/0x170 [ 5577.027531][ T72] inet6_addr_add+0x12f/0xa40 [ 5577.027531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.027531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.027531][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.027531][ T72] netlink_unicast+0x449/0x710 [ 5577.027531][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.027531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.027531][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.027531][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.027531][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.027531][ T72] [ 5577.029783][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5577.029783][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5577.029783][ T72] ipv6_find_idev+0x102/0x170 [ 5577.029783][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5577.029783][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.029783][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.029783][ T72] netlink_unicast+0x449/0x710 [ 5577.029783][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.029783][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.029783][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.029783][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.029783][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.029783][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.029783][ T72] [ 5577.031492][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5577.031492][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5577.031492][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5577.031492][ T72] ipv6_find_idev+0x102/0x170 [ 5577.031492][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5577.031492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.031492][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.031492][ T72] netlink_unicast+0x449/0x710 [ 5577.031492][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.031492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.031492][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.031492][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.031492][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.031492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.031492][ T72] [ 5577.033340][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5577.033606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5577.033606][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.033606][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.033606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.033606][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5577.033606][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5577.033606][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5577.033606][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5577.033606][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5577.033606][ T72] addrconf_dad_begin+0x310/0x670 [ 5577.033606][ T72] addrconf_dad_work+0x10b/0xab0 [ 5577.033606][ T72] process_one_work+0x84d/0x18a0 [ 5577.033606][ T72] worker_thread+0x587/0xd30 [ 5577.033606][ T72] kthread+0x28a/0x350 [ 5577.033606][ T72] ret_from_fork+0x31/0x70 [ 5577.033606][ T72] ret_from_fork_asm+0x1a/0x30 [ 5577.033606][ T72] [ 5577.035745][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5577.035745][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.035745][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.035745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.035745][ T72] ip6_route_add+0x1c/0x140 [ 5577.035745][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5577.035745][ T72] inet6_addr_add+0x4f8/0xa40 [ 5577.035745][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.035745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.035745][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.035745][ T72] netlink_unicast+0x449/0x710 [ 5577.035745][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.035745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.035745][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.035745][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.035745][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.035745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.035745][ T72] [ 5577.037971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5577.037971][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.037971][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.037971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.037971][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5577.037971][ T72] ipv6_add_addr+0x411/0x2000 [ 5577.037971][ T72] inet6_addr_add+0x30e/0xa40 [ 5577.037971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.037971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.037971][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.037971][ T72] netlink_unicast+0x449/0x710 [ 5577.037971][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.037971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.037971][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.037971][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.037971][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.037971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.037971][ T72] [ 5577.040250][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5577.040250][ T72] netdev_get_by_index+0x5e/0x80 [ 5577.040250][ T72] fib6_nh_init+0x3d8/0x1580 [ 5577.040250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5577.040250][ T72] ip6_route_add+0x1c/0x140 [ 5577.040250][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5577.040250][ T72] addrconf_add_dev+0xe2/0x170 [ 5577.040250][ T72] inet6_addr_add+0x12f/0xa40 [ 5577.040250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5577.040250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.040250][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.040250][ T72] netlink_unicast+0x449/0x710 [ 5577.040250][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.040250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.040250][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.040250][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.040250][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.040250][ T72] [ 5577.042389][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5577.042389][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5577.042389][ T72] ipv6_find_idev+0x102/0x170 [ 5577.042389][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5577.042389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.042389][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.042389][ T72] netlink_unicast+0x449/0x710 [ 5577.042389][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.042389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.042389][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.042389][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.042389][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.042389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.042389][ T72] [ 5577.044089][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5577.044089][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5577.044089][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5577.044089][ T72] ipv6_find_idev+0x102/0x170 [ 5577.044089][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5577.044089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5577.044089][ T72] netlink_rcv_skb+0x130/0x360 [ 5577.044089][ T72] netlink_unicast+0x449/0x710 [ 5577.044089][ T72] netlink_sendmsg+0x723/0xbe0 [ 5577.044089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5577.044089][ T72] ___sys_sendmsg+0xee/0x170 [ 5577.044089][ T72] __sys_sendmsg+0xcd/0x170 [ 5577.044089][ T72] do_syscall_64+0xc6/0x1e0 [ 5577.044089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5577.044089][ T72] [ 5587.288930][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5587.289435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5587.289435][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5587.289435][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5587.289435][ T72] fib6_nh_init+0xa22/0x1580 [ 5587.289435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.289435][ T72] ip6_route_add+0x1c/0x140 [ 5587.289435][ T72] inet6_rtm_newroute+0x104/0x110 [ 5587.289435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.289435][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.289435][ T72] netlink_unicast+0x449/0x710 [ 5587.289435][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.289435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.289435][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.289435][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.289435][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.289435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.289435][ T72] [ 5587.291334][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5587.291334][ T72] dst_init+0x84/0x4a0 [ 5587.291334][ T72] dst_alloc+0x97/0x150 [ 5587.291334][ T72] ip6_dst_alloc+0x23/0x90 [ 5587.291334][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5587.291334][ T72] ip6_pol_route+0x56f/0x840 [ 5587.291334][ T72] fib6_rule_lookup+0x456/0x630 [ 5587.291334][ T72] ip6_route_input+0x59c/0xa50 [ 5587.291334][ T72] ipv6_rcv+0x397/0x810 [ 5587.291334][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5587.291334][ T72] process_backlog+0x101/0x620 [ 5587.291334][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5587.291334][ T72] net_rx_action+0x495/0xbe0 [ 5587.291334][ T72] __do_softirq+0x1b5/0x7f6 [ 5587.291334][ T72] [ 5587.292988][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5587.292988][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.292988][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.292988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.292988][ T72] ip6_route_add+0x1c/0x140 [ 5587.292988][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5587.292988][ T72] inet6_addr_add+0x4f8/0xa40 [ 5587.292988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.292988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.292988][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.292988][ T72] netlink_unicast+0x449/0x710 [ 5587.292988][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.292988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.292988][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.292988][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.292988][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.292988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.292988][ T72] [ 5587.295065][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5587.295065][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.295065][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.295065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.295065][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5587.295065][ T72] ipv6_add_addr+0x411/0x2000 [ 5587.295065][ T72] inet6_addr_add+0x30e/0xa40 [ 5587.295065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.295065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.295065][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.295065][ T72] netlink_unicast+0x449/0x710 [ 5587.295065][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.295065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.295065][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.295065][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.295065][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.295065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.295065][ T72] [ 5587.297262][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5587.297262][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.297262][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.297262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.297262][ T72] ip6_route_add+0x1c/0x140 [ 5587.297262][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5587.297262][ T72] addrconf_add_dev+0xe2/0x170 [ 5587.297262][ T72] inet6_addr_add+0x12f/0xa40 [ 5587.297262][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.297262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.297262][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.297262][ T72] netlink_unicast+0x449/0x710 [ 5587.297262][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.297262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.297262][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.297262][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.297262][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.297262][ T72] [ 5587.299423][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5587.299423][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5587.299423][ T72] ipv6_find_idev+0x102/0x170 [ 5587.299423][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.299423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.299423][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.299423][ T72] netlink_unicast+0x449/0x710 [ 5587.299423][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.299423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.299423][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.299423][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.299423][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.299423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.299423][ T72] [ 5587.301119][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5587.301119][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5587.301119][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5587.301119][ T72] ipv6_find_idev+0x102/0x170 [ 5587.301119][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.301119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.301119][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.301119][ T72] netlink_unicast+0x449/0x710 [ 5587.301119][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.301119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.301119][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.301119][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.301119][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.301119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.301119][ T72] [ 5587.302987][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5587.303284][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5587.303284][ T72] dst_init+0x84/0x4a0 [ 5587.303284][ T72] dst_alloc+0x97/0x150 [ 5587.303284][ T72] ip6_dst_alloc+0x23/0x90 [ 5587.303284][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5587.303284][ T72] ip6_pol_route+0x56f/0x840 [ 5587.303284][ T72] fib6_rule_lookup+0x456/0x630 [ 5587.303284][ T72] ip6_route_input+0x59c/0xa50 [ 5587.303284][ T72] ipv6_rcv+0x397/0x810 [ 5587.303284][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5587.303284][ T72] process_backlog+0x101/0x620 [ 5587.303284][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5587.303284][ T72] net_rx_action+0x495/0xbe0 [ 5587.303284][ T72] __do_softirq+0x1b5/0x7f6 [ 5587.303284][ T72] [ 5587.305104][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5587.305104][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.305104][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.305104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.305104][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5587.305104][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5587.305104][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5587.305104][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5587.305104][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5587.305104][ T72] addrconf_dad_begin+0x310/0x670 [ 5587.305104][ T72] addrconf_dad_work+0x10b/0xab0 [ 5587.305104][ T72] process_one_work+0x84d/0x18a0 [ 5587.305104][ T72] worker_thread+0x587/0xd30 [ 5587.305104][ T72] kthread+0x28a/0x350 [ 5587.305104][ T72] ret_from_fork+0x31/0x70 [ 5587.305104][ T72] ret_from_fork_asm+0x1a/0x30 [ 5587.305104][ T72] [ 5587.308426][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5587.308426][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.308426][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.308426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.308426][ T72] ip6_route_add+0x1c/0x140 [ 5587.308426][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5587.308426][ T72] inet6_addr_add+0x4f8/0xa40 [ 5587.308426][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.308426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.308426][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.308426][ T72] netlink_unicast+0x449/0x710 [ 5587.308426][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.308426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.308426][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.308426][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.308426][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.308426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.308426][ T72] [ 5587.310624][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5587.310624][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.310624][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.310624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.310624][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5587.310624][ T72] ipv6_add_addr+0x411/0x2000 [ 5587.310624][ T72] inet6_addr_add+0x30e/0xa40 [ 5587.310624][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.310624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.310624][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.310624][ T72] netlink_unicast+0x449/0x710 [ 5587.310624][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.310624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.310624][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.310624][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.310624][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.310624][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.310624][ T72] [ 5587.312830][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5587.312830][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.312830][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.312830][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.312830][ T72] ip6_route_add+0x1c/0x140 [ 5587.312830][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5587.312830][ T72] addrconf_add_dev+0xe2/0x170 [ 5587.312830][ T72] inet6_addr_add+0x12f/0xa40 [ 5587.312830][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.312830][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.312830][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.312830][ T72] netlink_unicast+0x449/0x710 [ 5587.312830][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.312830][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.312830][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.312830][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.312830][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.312830][ T72] [ 5587.314999][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5587.314999][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5587.314999][ T72] ipv6_find_idev+0x102/0x170 [ 5587.314999][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.314999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.314999][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.314999][ T72] netlink_unicast+0x449/0x710 [ 5587.314999][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.314999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.314999][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.314999][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.314999][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.314999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.314999][ T72] [ 5587.316694][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5587.316694][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5587.316694][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5587.316694][ T72] ipv6_find_idev+0x102/0x170 [ 5587.316694][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.316694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.316694][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.316694][ T72] netlink_unicast+0x449/0x710 [ 5587.316694][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.316694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.316694][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.316694][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.316694][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.316694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.316694][ T72] [ 5587.318612][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5587.318987][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5587.318987][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5587.318987][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5587.318987][ T72] fib6_nh_init+0xa22/0x1580 [ 5587.318987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.318987][ T72] ip6_route_add+0x1c/0x140 [ 5587.318987][ T72] inet6_rtm_newroute+0x104/0x110 [ 5587.318987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.318987][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.318987][ T72] netlink_unicast+0x449/0x710 [ 5587.318987][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.318987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.318987][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.318987][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.318987][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.318987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.318987][ T72] [ 5587.321294][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5587.321294][ T72] dst_init+0x84/0x4a0 [ 5587.321294][ T72] dst_alloc+0x97/0x150 [ 5587.321294][ T72] ip6_dst_alloc+0x23/0x90 [ 5587.321294][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5587.321294][ T72] ip6_pol_route+0x56f/0x840 [ 5587.321294][ T72] fib6_rule_lookup+0x456/0x630 [ 5587.321294][ T72] ip6_route_input+0x59c/0xa50 [ 5587.321294][ T72] ipv6_rcv+0x397/0x810 [ 5587.321294][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5587.321294][ T72] process_backlog+0x101/0x620 [ 5587.321294][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5587.321294][ T72] net_rx_action+0x495/0xbe0 [ 5587.321294][ T72] __do_softirq+0x1b5/0x7f6 [ 5587.321294][ T72] [ 5587.323281][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5587.323281][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.323281][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.323281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.323281][ T72] ip6_route_add+0x1c/0x140 [ 5587.323281][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5587.323281][ T72] inet6_addr_add+0x4f8/0xa40 [ 5587.323281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.323281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.323281][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.323281][ T72] netlink_unicast+0x449/0x710 [ 5587.323281][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.323281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.323281][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.323281][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.323281][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.323281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.323281][ T72] [ 5587.325623][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5587.325623][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.325623][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.325623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.325623][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5587.325623][ T72] ipv6_add_addr+0x411/0x2000 [ 5587.325623][ T72] inet6_addr_add+0x30e/0xa40 [ 5587.325623][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.325623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.325623][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.325623][ T72] netlink_unicast+0x449/0x710 [ 5587.325623][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.325623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.325623][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.325623][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.325623][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.325623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.325623][ T72] [ 5587.327844][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5587.327844][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.327844][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.327844][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.327844][ T72] ip6_route_add+0x1c/0x140 [ 5587.327844][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5587.327844][ T72] addrconf_add_dev+0xe2/0x170 [ 5587.327844][ T72] inet6_addr_add+0x12f/0xa40 [ 5587.327844][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.327844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.327844][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.327844][ T72] netlink_unicast+0x449/0x710 [ 5587.327844][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.327844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.327844][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.327844][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.327844][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.327844][ T72] [ 5587.330084][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5587.330084][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5587.330084][ T72] ipv6_find_idev+0x102/0x170 [ 5587.330084][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.330084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.330084][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.330084][ T72] netlink_unicast+0x449/0x710 [ 5587.330084][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.330084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.330084][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.330084][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.330084][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.330084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.330084][ T72] [ 5587.331791][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5587.331791][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5587.331791][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5587.331791][ T72] ipv6_find_idev+0x102/0x170 [ 5587.331791][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.331791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.331791][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.331791][ T72] netlink_unicast+0x449/0x710 [ 5587.331791][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.331791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.331791][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.331791][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.331791][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.331791][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.331791][ T72] [ 5587.333827][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5587.334136][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5587.334136][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.334136][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.334136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.334136][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5587.334136][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5587.334136][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5587.334136][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5587.334136][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5587.334136][ T72] addrconf_dad_begin+0x310/0x670 [ 5587.334136][ T72] addrconf_dad_work+0x10b/0xab0 [ 5587.334136][ T72] process_one_work+0x84d/0x18a0 [ 5587.334136][ T72] worker_thread+0x587/0xd30 [ 5587.334136][ T72] kthread+0x28a/0x350 [ 5587.334136][ T72] ret_from_fork+0x31/0x70 [ 5587.334136][ T72] ret_from_fork_asm+0x1a/0x30 [ 5587.334136][ T72] [ 5587.336496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5587.336496][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.336496][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.336496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.336496][ T72] ip6_route_add+0x1c/0x140 [ 5587.336496][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5587.336496][ T72] inet6_addr_add+0x4f8/0xa40 [ 5587.336496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.336496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.336496][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.336496][ T72] netlink_unicast+0x449/0x710 [ 5587.336496][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.336496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.336496][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.336496][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.336496][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.336496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.336496][ T72] [ 5587.338934][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5587.338934][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.338934][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.338934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.338934][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5587.338934][ T72] ipv6_add_addr+0x411/0x2000 [ 5587.338934][ T72] inet6_addr_add+0x30e/0xa40 [ 5587.338934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.338934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.338934][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.338934][ T72] netlink_unicast+0x449/0x710 [ 5587.338934][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.338934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.338934][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.338934][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.338934][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.338934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.338934][ T72] [ 5587.341440][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5587.341440][ T72] netdev_get_by_index+0x5e/0x80 [ 5587.341440][ T72] fib6_nh_init+0x3d8/0x1580 [ 5587.341440][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5587.341440][ T72] ip6_route_add+0x1c/0x140 [ 5587.341440][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5587.341440][ T72] addrconf_add_dev+0xe2/0x170 [ 5587.341440][ T72] inet6_addr_add+0x12f/0xa40 [ 5587.341440][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.341440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.341440][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.341440][ T72] netlink_unicast+0x449/0x710 [ 5587.341440][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.341440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.341440][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.341440][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.341440][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.341440][ T72] [ 5587.343788][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5587.343788][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5587.343788][ T72] ipv6_find_idev+0x102/0x170 [ 5587.343788][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.343788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.343788][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.343788][ T72] netlink_unicast+0x449/0x710 [ 5587.343788][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.343788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.343788][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.343788][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.343788][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.343788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.343788][ T72] [ 5587.345668][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5587.345668][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5587.345668][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5587.345668][ T72] ipv6_find_idev+0x102/0x170 [ 5587.345668][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.345668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.345668][ T72] netlink_rcv_skb+0x130/0x360 [ 5587.345668][ T72] netlink_unicast+0x449/0x710 [ 5587.345668][ T72] netlink_sendmsg+0x723/0xbe0 [ 5587.345668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5587.345668][ T72] ___sys_sendmsg+0xee/0x170 [ 5587.345668][ T72] __sys_sendmsg+0xcd/0x170 [ 5587.345668][ T72] do_syscall_64+0xc6/0x1e0 [ 5587.345668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.345668][ T72] [ 5597.584952][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5597.585488][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5597.585488][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5597.585488][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5597.585488][ T72] fib6_nh_init+0xa22/0x1580 [ 5597.585488][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.585488][ T72] ip6_route_add+0x1c/0x140 [ 5597.585488][ T72] inet6_rtm_newroute+0x104/0x110 [ 5597.585488][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.585488][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.585488][ T72] netlink_unicast+0x449/0x710 [ 5597.585488][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.585488][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.585488][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.585488][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.585488][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.585488][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.585488][ T72] [ 5597.587550][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5597.587550][ T72] dst_init+0x84/0x4a0 [ 5597.587550][ T72] dst_alloc+0x97/0x150 [ 5597.587550][ T72] ip6_dst_alloc+0x23/0x90 [ 5597.587550][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5597.587550][ T72] ip6_pol_route+0x56f/0x840 [ 5597.587550][ T72] fib6_rule_lookup+0x456/0x630 [ 5597.587550][ T72] ip6_route_input+0x59c/0xa50 [ 5597.587550][ T72] ipv6_rcv+0x397/0x810 [ 5597.587550][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5597.587550][ T72] process_backlog+0x101/0x620 [ 5597.587550][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5597.587550][ T72] net_rx_action+0x495/0xbe0 [ 5597.587550][ T72] __do_softirq+0x1b5/0x7f6 [ 5597.587550][ T72] [ 5597.589350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5597.589350][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.589350][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.589350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.589350][ T72] ip6_route_add+0x1c/0x140 [ 5597.589350][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5597.589350][ T72] inet6_addr_add+0x4f8/0xa40 [ 5597.589350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.589350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.589350][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.589350][ T72] netlink_unicast+0x449/0x710 [ 5597.589350][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.589350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.589350][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.589350][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.589350][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.589350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.589350][ T72] [ 5597.591510][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5597.591510][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.591510][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.591510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.591510][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5597.591510][ T72] ipv6_add_addr+0x411/0x2000 [ 5597.591510][ T72] inet6_addr_add+0x30e/0xa40 [ 5597.591510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.591510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.591510][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.591510][ T72] netlink_unicast+0x449/0x710 [ 5597.591510][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.591510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.591510][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.591510][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.591510][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.591510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.591510][ T72] [ 5597.593723][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5597.593723][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.593723][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.593723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.593723][ T72] ip6_route_add+0x1c/0x140 [ 5597.593723][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.593723][ T72] addrconf_add_dev+0xe2/0x170 [ 5597.593723][ T72] inet6_addr_add+0x12f/0xa40 [ 5597.593723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.593723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.593723][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.593723][ T72] netlink_unicast+0x449/0x710 [ 5597.593723][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.593723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.593723][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.593723][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.593723][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.593723][ T72] [ 5597.595894][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5597.595894][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5597.595894][ T72] ipv6_find_idev+0x102/0x170 [ 5597.595894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.595894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.595894][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.595894][ T72] netlink_unicast+0x449/0x710 [ 5597.595894][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.595894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.595894][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.595894][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.595894][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.595894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.595894][ T72] [ 5597.597565][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5597.597565][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5597.597565][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5597.597565][ T72] ipv6_find_idev+0x102/0x170 [ 5597.597565][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.597565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.597565][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.597565][ T72] netlink_unicast+0x449/0x710 [ 5597.597565][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.597565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.597565][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.597565][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.597565][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.597565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.597565][ T72] [ 5597.599443][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5597.599766][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5597.599766][ T72] dst_init+0x84/0x4a0 [ 5597.599766][ T72] dst_alloc+0x97/0x150 [ 5597.599766][ T72] ip6_dst_alloc+0x23/0x90 [ 5597.599766][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5597.599766][ T72] ip6_pol_route+0x56f/0x840 [ 5597.599766][ T72] fib6_rule_lookup+0x456/0x630 [ 5597.599766][ T72] ip6_route_input+0x59c/0xa50 [ 5597.599766][ T72] ipv6_rcv+0x397/0x810 [ 5597.599766][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5597.599766][ T72] process_backlog+0x101/0x620 [ 5597.599766][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5597.599766][ T72] net_rx_action+0x495/0xbe0 [ 5597.599766][ T72] __do_softirq+0x1b5/0x7f6 [ 5597.599766][ T72] [ 5597.601607][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5597.601607][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.601607][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.601607][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.601607][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5597.601607][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5597.601607][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5597.601607][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5597.601607][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5597.601607][ T72] addrconf_dad_begin+0x310/0x670 [ 5597.601607][ T72] addrconf_dad_work+0x10b/0xab0 [ 5597.601607][ T72] process_one_work+0x84d/0x18a0 [ 5597.601607][ T72] worker_thread+0x587/0xd30 [ 5597.601607][ T72] kthread+0x28a/0x350 [ 5597.601607][ T72] ret_from_fork+0x31/0x70 [ 5597.601607][ T72] ret_from_fork_asm+0x1a/0x30 [ 5597.601607][ T72] [ 5597.603719][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5597.603719][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.603719][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.603719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.603719][ T72] ip6_route_add+0x1c/0x140 [ 5597.603719][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5597.603719][ T72] inet6_addr_add+0x4f8/0xa40 [ 5597.603719][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.603719][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.603719][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.603719][ T72] netlink_unicast+0x449/0x710 [ 5597.603719][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.603719][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.603719][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.603719][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.603719][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.603719][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.603719][ T72] [ 5597.605927][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5597.605927][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.605927][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.605927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.605927][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5597.605927][ T72] ipv6_add_addr+0x411/0x2000 [ 5597.605927][ T72] inet6_addr_add+0x30e/0xa40 [ 5597.605927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.605927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.605927][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.605927][ T72] netlink_unicast+0x449/0x710 [ 5597.605927][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.605927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.605927][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.605927][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.605927][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.605927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.605927][ T72] [ 5597.608141][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5597.608141][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.608141][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.608141][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.608141][ T72] ip6_route_add+0x1c/0x140 [ 5597.608141][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.608141][ T72] addrconf_add_dev+0xe2/0x170 [ 5597.608141][ T72] inet6_addr_add+0x12f/0xa40 [ 5597.608141][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.608141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.608141][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.608141][ T72] netlink_unicast+0x449/0x710 [ 5597.608141][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.608141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.608141][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.608141][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.608141][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.608141][ T72] [ 5597.610318][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5597.610318][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5597.610318][ T72] ipv6_find_idev+0x102/0x170 [ 5597.610318][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.610318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.610318][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.610318][ T72] netlink_unicast+0x449/0x710 [ 5597.610318][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.610318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.610318][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.610318][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.610318][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.610318][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.610318][ T72] [ 5597.611984][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5597.611984][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5597.611984][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5597.611984][ T72] ipv6_find_idev+0x102/0x170 [ 5597.611984][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.611984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.611984][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.611984][ T72] netlink_unicast+0x449/0x710 [ 5597.611984][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.611984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.611984][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.611984][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.611984][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.611984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.611984][ T72] [ 5597.613923][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5597.614273][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5597.614273][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5597.614273][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5597.614273][ T72] fib6_nh_init+0xa22/0x1580 [ 5597.614273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.614273][ T72] ip6_route_add+0x1c/0x140 [ 5597.614273][ T72] inet6_rtm_newroute+0x104/0x110 [ 5597.614273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.614273][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.614273][ T72] netlink_unicast+0x449/0x710 [ 5597.614273][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.614273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.614273][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.614273][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.614273][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.614273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.614273][ T72] [ 5597.616580][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5597.616580][ T72] dst_init+0x84/0x4a0 [ 5597.616580][ T72] dst_alloc+0x97/0x150 [ 5597.616580][ T72] ip6_dst_alloc+0x23/0x90 [ 5597.616580][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5597.616580][ T72] ip6_pol_route+0x56f/0x840 [ 5597.616580][ T72] fib6_rule_lookup+0x456/0x630 [ 5597.616580][ T72] ip6_route_input+0x59c/0xa50 [ 5597.616580][ T72] ipv6_rcv+0x397/0x810 [ 5597.616580][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5597.616580][ T72] process_backlog+0x101/0x620 [ 5597.616580][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5597.616580][ T72] net_rx_action+0x495/0xbe0 [ 5597.616580][ T72] __do_softirq+0x1b5/0x7f6 [ 5597.616580][ T72] [ 5597.618380][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5597.618380][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.618380][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.618380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.618380][ T72] ip6_route_add+0x1c/0x140 [ 5597.618380][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5597.618380][ T72] inet6_addr_add+0x4f8/0xa40 [ 5597.618380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.618380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.618380][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.618380][ T72] netlink_unicast+0x449/0x710 [ 5597.618380][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.618380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.618380][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.618380][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.618380][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.618380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.618380][ T72] [ 5597.620596][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5597.620596][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.620596][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.620596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.620596][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5597.620596][ T72] ipv6_add_addr+0x411/0x2000 [ 5597.620596][ T72] inet6_addr_add+0x30e/0xa40 [ 5597.620596][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.620596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.620596][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.620596][ T72] netlink_unicast+0x449/0x710 [ 5597.620596][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.620596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.620596][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.620596][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.620596][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.620596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.620596][ T72] [ 5597.622822][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5597.622822][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.622822][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.622822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.622822][ T72] ip6_route_add+0x1c/0x140 [ 5597.622822][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.622822][ T72] addrconf_add_dev+0xe2/0x170 [ 5597.622822][ T72] inet6_addr_add+0x12f/0xa40 [ 5597.622822][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.622822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.622822][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.622822][ T72] netlink_unicast+0x449/0x710 [ 5597.622822][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.622822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.622822][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.622822][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.622822][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.622822][ T72] [ 5597.625061][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5597.625061][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5597.625061][ T72] ipv6_find_idev+0x102/0x170 [ 5597.625061][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.625061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.625061][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.625061][ T72] netlink_unicast+0x449/0x710 [ 5597.625061][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.625061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.625061][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.625061][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.625061][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.625061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.625061][ T72] [ 5597.626763][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5597.626763][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5597.626763][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5597.626763][ T72] ipv6_find_idev+0x102/0x170 [ 5597.626763][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.626763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.626763][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.626763][ T72] netlink_unicast+0x449/0x710 [ 5597.626763][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.626763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.626763][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.626763][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.626763][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.626763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.626763][ T72] [ 5597.628612][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5597.629333][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5597.629333][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.629333][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.629333][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.629333][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5597.629333][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5597.629333][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5597.629333][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5597.629333][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5597.629333][ T72] addrconf_dad_begin+0x310/0x670 [ 5597.629333][ T72] addrconf_dad_work+0x10b/0xab0 [ 5597.629333][ T72] process_one_work+0x84d/0x18a0 [ 5597.629333][ T72] worker_thread+0x587/0xd30 [ 5597.629333][ T72] kthread+0x28a/0x350 [ 5597.629333][ T72] ret_from_fork+0x31/0x70 [ 5597.629333][ T72] ret_from_fork_asm+0x1a/0x30 [ 5597.629333][ T72] [ 5597.631211][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5597.631211][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.631211][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.631211][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.631211][ T72] ip6_route_add+0x1c/0x140 [ 5597.631211][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5597.631211][ T72] inet6_addr_add+0x4f8/0xa40 [ 5597.631211][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.631211][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.631211][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.631211][ T72] netlink_unicast+0x449/0x710 [ 5597.631211][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.631211][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.631211][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.631211][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.631211][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.631211][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.631211][ T72] [ 5597.633308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5597.633308][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.633308][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.633308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.633308][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5597.633308][ T72] ipv6_add_addr+0x411/0x2000 [ 5597.633308][ T72] inet6_addr_add+0x30e/0xa40 [ 5597.633308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.633308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.633308][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.633308][ T72] netlink_unicast+0x449/0x710 [ 5597.633308][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.633308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.633308][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.633308][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.633308][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.633308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.633308][ T72] [ 5597.635519][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5597.635519][ T72] netdev_get_by_index+0x5e/0x80 [ 5597.635519][ T72] fib6_nh_init+0x3d8/0x1580 [ 5597.635519][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5597.635519][ T72] ip6_route_add+0x1c/0x140 [ 5597.635519][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.635519][ T72] addrconf_add_dev+0xe2/0x170 [ 5597.635519][ T72] inet6_addr_add+0x12f/0xa40 [ 5597.635519][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.635519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.635519][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.635519][ T72] netlink_unicast+0x449/0x710 [ 5597.635519][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.635519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.635519][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.635519][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.635519][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.635519][ T72] [ 5597.637760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5597.637760][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5597.637760][ T72] ipv6_find_idev+0x102/0x170 [ 5597.637760][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.637760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.637760][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.637760][ T72] netlink_unicast+0x449/0x710 [ 5597.637760][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.637760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.637760][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.637760][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.637760][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.637760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.637760][ T72] [ 5597.639460][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5597.639460][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5597.639460][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5597.639460][ T72] ipv6_find_idev+0x102/0x170 [ 5597.639460][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.639460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.639460][ T72] netlink_rcv_skb+0x130/0x360 [ 5597.639460][ T72] netlink_unicast+0x449/0x710 [ 5597.639460][ T72] netlink_sendmsg+0x723/0xbe0 [ 5597.639460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5597.639460][ T72] ___sys_sendmsg+0xee/0x170 [ 5597.639460][ T72] __sys_sendmsg+0xcd/0x170 [ 5597.639460][ T72] do_syscall_64+0xc6/0x1e0 [ 5597.639460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.639460][ T72] [ 5607.848937][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5607.849447][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5607.849447][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5607.849447][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5607.849447][ T72] fib6_nh_init+0xa22/0x1580 [ 5607.849447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.849447][ T72] ip6_route_add+0x1c/0x140 [ 5607.849447][ T72] inet6_rtm_newroute+0x104/0x110 [ 5607.849447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.849447][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.849447][ T72] netlink_unicast+0x449/0x710 [ 5607.849447][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.849447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.849447][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.849447][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.849447][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.849447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.849447][ T72] [ 5607.851339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5607.851339][ T72] dst_init+0x84/0x4a0 [ 5607.851339][ T72] dst_alloc+0x97/0x150 [ 5607.851339][ T72] ip6_dst_alloc+0x23/0x90 [ 5607.851339][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5607.851339][ T72] ip6_pol_route+0x56f/0x840 [ 5607.851339][ T72] fib6_rule_lookup+0x456/0x630 [ 5607.851339][ T72] ip6_route_input+0x59c/0xa50 [ 5607.851339][ T72] ipv6_rcv+0x397/0x810 [ 5607.851339][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5607.851339][ T72] process_backlog+0x101/0x620 [ 5607.851339][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5607.851339][ T72] net_rx_action+0x495/0xbe0 [ 5607.851339][ T72] __do_softirq+0x1b5/0x7f6 [ 5607.851339][ T72] [ 5607.852985][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5607.852985][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.852985][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.852985][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.852985][ T72] ip6_route_add+0x1c/0x140 [ 5607.852985][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5607.852985][ T72] inet6_addr_add+0x4f8/0xa40 [ 5607.852985][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.852985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.852985][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.852985][ T72] netlink_unicast+0x449/0x710 [ 5607.852985][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.852985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.852985][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.852985][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.852985][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.852985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.852985][ T72] [ 5607.854984][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5607.854984][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.854984][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.854984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.854984][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5607.854984][ T72] ipv6_add_addr+0x411/0x2000 [ 5607.854984][ T72] inet6_addr_add+0x30e/0xa40 [ 5607.854984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.854984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.854984][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.854984][ T72] netlink_unicast+0x449/0x710 [ 5607.854984][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.854984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.854984][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.854984][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.854984][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.854984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.854984][ T72] [ 5607.856959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5607.856959][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.856959][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.856959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.856959][ T72] ip6_route_add+0x1c/0x140 [ 5607.856959][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.856959][ T72] addrconf_add_dev+0xe2/0x170 [ 5607.856959][ T72] inet6_addr_add+0x12f/0xa40 [ 5607.856959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.856959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.856959][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.856959][ T72] netlink_unicast+0x449/0x710 [ 5607.856959][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.856959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.856959][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.856959][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.856959][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.856959][ T72] [ 5607.858905][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5607.858905][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5607.858905][ T72] ipv6_find_idev+0x102/0x170 [ 5607.858905][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.858905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.858905][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.858905][ T72] netlink_unicast+0x449/0x710 [ 5607.858905][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.858905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.858905][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.858905][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.858905][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.858905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.858905][ T72] [ 5607.860439][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5607.860439][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5607.860439][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5607.860439][ T72] ipv6_find_idev+0x102/0x170 [ 5607.860439][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.860439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.860439][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.860439][ T72] netlink_unicast+0x449/0x710 [ 5607.860439][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.860439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.860439][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.860439][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.860439][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.860439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.860439][ T72] [ 5607.862132][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5607.862405][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5607.862405][ T72] dst_init+0x84/0x4a0 [ 5607.862405][ T72] dst_alloc+0x97/0x150 [ 5607.862405][ T72] ip6_dst_alloc+0x23/0x90 [ 5607.862405][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5607.862405][ T72] ip6_pol_route+0x56f/0x840 [ 5607.862405][ T72] fib6_rule_lookup+0x456/0x630 [ 5607.862405][ T72] ip6_route_input+0x59c/0xa50 [ 5607.862405][ T72] ipv6_rcv+0x397/0x810 [ 5607.862405][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5607.862405][ T72] process_backlog+0x101/0x620 [ 5607.862405][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5607.862405][ T72] net_rx_action+0x495/0xbe0 [ 5607.862405][ T72] __do_softirq+0x1b5/0x7f6 [ 5607.862405][ T72] [ 5607.864041][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5607.864041][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.864041][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.864041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.864041][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5607.864041][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5607.864041][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5607.864041][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5607.864041][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5607.864041][ T72] addrconf_dad_begin+0x310/0x670 [ 5607.864041][ T72] addrconf_dad_work+0x10b/0xab0 [ 5607.864041][ T72] process_one_work+0x84d/0x18a0 [ 5607.864041][ T72] worker_thread+0x587/0xd30 [ 5607.864041][ T72] kthread+0x28a/0x350 [ 5607.864041][ T72] ret_from_fork+0x31/0x70 [ 5607.864041][ T72] ret_from_fork_asm+0x1a/0x30 [ 5607.864041][ T72] [ 5607.865935][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5607.865935][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.865935][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.865935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.865935][ T72] ip6_route_add+0x1c/0x140 [ 5607.865935][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5607.865935][ T72] inet6_addr_add+0x4f8/0xa40 [ 5607.865935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.865935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.865935][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.865935][ T72] netlink_unicast+0x449/0x710 [ 5607.865935][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.865935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.865935][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.865935][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.865935][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.865935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.865935][ T72] [ 5607.867913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5607.867913][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.867913][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.867913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.867913][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5607.867913][ T72] ipv6_add_addr+0x411/0x2000 [ 5607.867913][ T72] inet6_addr_add+0x30e/0xa40 [ 5607.867913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.867913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.867913][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.867913][ T72] netlink_unicast+0x449/0x710 [ 5607.867913][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.867913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.867913][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.867913][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.867913][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.867913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.867913][ T72] [ 5607.869892][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5607.869892][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.869892][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.869892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.869892][ T72] ip6_route_add+0x1c/0x140 [ 5607.869892][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.869892][ T72] addrconf_add_dev+0xe2/0x170 [ 5607.869892][ T72] inet6_addr_add+0x12f/0xa40 [ 5607.869892][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.869892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.869892][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.869892][ T72] netlink_unicast+0x449/0x710 [ 5607.869892][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.869892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.869892][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.869892][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.869892][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.869892][ T72] [ 5607.871839][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5607.871839][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5607.871839][ T72] ipv6_find_idev+0x102/0x170 [ 5607.871839][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.871839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.871839][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.871839][ T72] netlink_unicast+0x449/0x710 [ 5607.871839][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.871839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.871839][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.871839][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.871839][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.871839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.871839][ T72] [ 5607.873403][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5607.873403][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5607.873403][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5607.873403][ T72] ipv6_find_idev+0x102/0x170 [ 5607.873403][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.873403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.873403][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.873403][ T72] netlink_unicast+0x449/0x710 [ 5607.873403][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.873403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.873403][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.873403][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.873403][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.873403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.873403][ T72] [ 5607.875139][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5607.875466][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5607.875466][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5607.875466][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5607.875466][ T72] fib6_nh_init+0xa22/0x1580 [ 5607.875466][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.875466][ T72] ip6_route_add+0x1c/0x140 [ 5607.875466][ T72] inet6_rtm_newroute+0x104/0x110 [ 5607.875466][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.875466][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.875466][ T72] netlink_unicast+0x449/0x710 [ 5607.875466][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.875466][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.875466][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.875466][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.875466][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.875466][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.875466][ T72] [ 5607.877587][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5607.877587][ T72] dst_init+0x84/0x4a0 [ 5607.877587][ T72] dst_alloc+0x97/0x150 [ 5607.877587][ T72] ip6_dst_alloc+0x23/0x90 [ 5607.877587][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5607.877587][ T72] ip6_pol_route+0x56f/0x840 [ 5607.877587][ T72] fib6_rule_lookup+0x456/0x630 [ 5607.877587][ T72] ip6_route_input+0x59c/0xa50 [ 5607.877587][ T72] ipv6_rcv+0x397/0x810 [ 5607.877587][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5607.877587][ T72] process_backlog+0x101/0x620 [ 5607.877587][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5607.877587][ T72] net_rx_action+0x495/0xbe0 [ 5607.877587][ T72] __do_softirq+0x1b5/0x7f6 [ 5607.877587][ T72] [ 5607.879385][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5607.879385][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.879385][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.879385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.879385][ T72] ip6_route_add+0x1c/0x140 [ 5607.879385][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5607.879385][ T72] inet6_addr_add+0x4f8/0xa40 [ 5607.879385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.879385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.879385][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.879385][ T72] netlink_unicast+0x449/0x710 [ 5607.879385][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.879385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.879385][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.879385][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.879385][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.879385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.879385][ T72] [ 5607.882161][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5607.882161][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.882161][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.882161][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.882161][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5607.882161][ T72] ipv6_add_addr+0x411/0x2000 [ 5607.882161][ T72] inet6_addr_add+0x30e/0xa40 [ 5607.882161][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.882161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.882161][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.882161][ T72] netlink_unicast+0x449/0x710 [ 5607.882161][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.882161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.882161][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.882161][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.882161][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.882161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.882161][ T72] [ 5607.884389][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5607.884389][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.884389][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.884389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.884389][ T72] ip6_route_add+0x1c/0x140 [ 5607.884389][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.884389][ T72] addrconf_add_dev+0xe2/0x170 [ 5607.884389][ T72] inet6_addr_add+0x12f/0xa40 [ 5607.884389][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.884389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.884389][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.884389][ T72] netlink_unicast+0x449/0x710 [ 5607.884389][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.884389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.884389][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.884389][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.884389][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.884389][ T72] [ 5607.887256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5607.887256][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5607.887256][ T72] ipv6_find_idev+0x102/0x170 [ 5607.887256][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.887256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.887256][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.887256][ T72] netlink_unicast+0x449/0x710 [ 5607.887256][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.887256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.887256][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.887256][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.887256][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.887256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.887256][ T72] [ 5607.888959][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5607.888959][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5607.888959][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5607.888959][ T72] ipv6_find_idev+0x102/0x170 [ 5607.888959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.888959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.888959][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.888959][ T72] netlink_unicast+0x449/0x710 [ 5607.888959][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.888959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.888959][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.888959][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.888959][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.888959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.888959][ T72] [ 5607.890817][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5607.891093][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5607.891093][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.891093][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.891093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.891093][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5607.891093][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5607.891093][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5607.891093][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5607.891093][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5607.891093][ T72] addrconf_dad_begin+0x310/0x670 [ 5607.891093][ T72] addrconf_dad_work+0x10b/0xab0 [ 5607.891093][ T72] process_one_work+0x84d/0x18a0 [ 5607.891093][ T72] worker_thread+0x587/0xd30 [ 5607.891093][ T72] kthread+0x28a/0x350 [ 5607.891093][ T72] ret_from_fork+0x31/0x70 [ 5607.891093][ T72] ret_from_fork_asm+0x1a/0x30 [ 5607.891093][ T72] [ 5607.893230][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5607.893230][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.893230][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.893230][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.893230][ T72] ip6_route_add+0x1c/0x140 [ 5607.893230][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5607.893230][ T72] inet6_addr_add+0x4f8/0xa40 [ 5607.893230][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.893230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.893230][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.893230][ T72] netlink_unicast+0x449/0x710 [ 5607.893230][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.893230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.893230][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.893230][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.893230][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.893230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.893230][ T72] [ 5607.895454][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5607.895454][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.895454][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.895454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.895454][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5607.895454][ T72] ipv6_add_addr+0x411/0x2000 [ 5607.895454][ T72] inet6_addr_add+0x30e/0xa40 [ 5607.895454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.895454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.895454][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.895454][ T72] netlink_unicast+0x449/0x710 [ 5607.895454][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.895454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.895454][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.895454][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.895454][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.895454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.895454][ T72] [ 5607.897728][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5607.897728][ T72] netdev_get_by_index+0x5e/0x80 [ 5607.897728][ T72] fib6_nh_init+0x3d8/0x1580 [ 5607.897728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5607.897728][ T72] ip6_route_add+0x1c/0x140 [ 5607.897728][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.897728][ T72] addrconf_add_dev+0xe2/0x170 [ 5607.897728][ T72] inet6_addr_add+0x12f/0xa40 [ 5607.897728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.897728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.897728][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.897728][ T72] netlink_unicast+0x449/0x710 [ 5607.897728][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.897728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.897728][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.897728][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.897728][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.897728][ T72] [ 5607.899842][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5607.899842][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5607.899842][ T72] ipv6_find_idev+0x102/0x170 [ 5607.899842][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.899842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.899842][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.899842][ T72] netlink_unicast+0x449/0x710 [ 5607.899842][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.899842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.899842][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.899842][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.899842][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.899842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.899842][ T72] [ 5607.901543][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5607.901543][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5607.901543][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5607.901543][ T72] ipv6_find_idev+0x102/0x170 [ 5607.901543][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.901543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.901543][ T72] netlink_rcv_skb+0x130/0x360 [ 5607.901543][ T72] netlink_unicast+0x449/0x710 [ 5607.901543][ T72] netlink_sendmsg+0x723/0xbe0 [ 5607.901543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5607.901543][ T72] ___sys_sendmsg+0xee/0x170 [ 5607.901543][ T72] __sys_sendmsg+0xcd/0x170 [ 5607.901543][ T72] do_syscall_64+0xc6/0x1e0 [ 5607.901543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.901543][ T72] [ 5618.128900][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5618.129404][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5618.129404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5618.129404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5618.129404][ T72] fib6_nh_init+0xa22/0x1580 [ 5618.129404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.129404][ T72] ip6_route_add+0x1c/0x140 [ 5618.129404][ T72] inet6_rtm_newroute+0x104/0x110 [ 5618.129404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.129404][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.129404][ T72] netlink_unicast+0x449/0x710 [ 5618.129404][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.129404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.129404][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.129404][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.129404][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.129404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.129404][ T72] [ 5618.131287][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5618.131287][ T72] dst_init+0x84/0x4a0 [ 5618.131287][ T72] dst_alloc+0x97/0x150 [ 5618.131287][ T72] ip6_dst_alloc+0x23/0x90 [ 5618.131287][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5618.131287][ T72] ip6_pol_route+0x56f/0x840 [ 5618.131287][ T72] fib6_rule_lookup+0x456/0x630 [ 5618.131287][ T72] ip6_route_input+0x59c/0xa50 [ 5618.131287][ T72] ipv6_rcv+0x397/0x810 [ 5618.131287][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5618.131287][ T72] process_backlog+0x101/0x620 [ 5618.131287][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5618.131287][ T72] net_rx_action+0x495/0xbe0 [ 5618.131287][ T72] __do_softirq+0x1b5/0x7f6 [ 5618.131287][ T72] [ 5618.132953][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5618.132953][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.132953][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.132953][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.132953][ T72] ip6_route_add+0x1c/0x140 [ 5618.132953][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5618.132953][ T72] inet6_addr_add+0x4f8/0xa40 [ 5618.132953][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.132953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.132953][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.132953][ T72] netlink_unicast+0x449/0x710 [ 5618.132953][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.132953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.132953][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.132953][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.132953][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.132953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.132953][ T72] [ 5618.134921][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5618.134921][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.134921][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.134921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.134921][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5618.134921][ T72] ipv6_add_addr+0x411/0x2000 [ 5618.134921][ T72] inet6_addr_add+0x30e/0xa40 [ 5618.134921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.134921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.134921][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.134921][ T72] netlink_unicast+0x449/0x710 [ 5618.134921][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.134921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.134921][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.134921][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.134921][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.134921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.134921][ T72] [ 5618.136903][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5618.136903][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.136903][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.136903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.136903][ T72] ip6_route_add+0x1c/0x140 [ 5618.136903][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5618.136903][ T72] addrconf_add_dev+0xe2/0x170 [ 5618.136903][ T72] inet6_addr_add+0x12f/0xa40 [ 5618.136903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.136903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.136903][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.136903][ T72] netlink_unicast+0x449/0x710 [ 5618.136903][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.136903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.136903][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.136903][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.136903][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.136903][ T72] [ 5618.138856][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5618.138856][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5618.138856][ T72] ipv6_find_idev+0x102/0x170 [ 5618.138856][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5618.138856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.138856][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.138856][ T72] netlink_unicast+0x449/0x710 [ 5618.138856][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.138856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.138856][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.138856][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.138856][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.138856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.138856][ T72] [ 5618.140389][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5618.140389][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5618.140389][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5618.140389][ T72] ipv6_find_idev+0x102/0x170 [ 5618.140389][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5618.140389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.140389][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.140389][ T72] netlink_unicast+0x449/0x710 [ 5618.140389][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.140389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.140389][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.140389][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.140389][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.140389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.140389][ T72] [ 5618.142078][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5618.142358][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5618.142358][ T72] dst_init+0x84/0x4a0 [ 5618.142358][ T72] dst_alloc+0x97/0x150 [ 5618.142358][ T72] ip6_dst_alloc+0x23/0x90 [ 5618.142358][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5618.142358][ T72] ip6_pol_route+0x56f/0x840 [ 5618.142358][ T72] fib6_rule_lookup+0x456/0x630 [ 5618.142358][ T72] ip6_route_input+0x59c/0xa50 [ 5618.142358][ T72] ipv6_rcv+0x397/0x810 [ 5618.142358][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5618.142358][ T72] process_backlog+0x101/0x620 [ 5618.142358][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5618.142358][ T72] net_rx_action+0x495/0xbe0 [ 5618.142358][ T72] __do_softirq+0x1b5/0x7f6 [ 5618.142358][ T72] [ 5618.143989][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5618.143989][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.143989][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.143989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.143989][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5618.143989][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5618.143989][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5618.143989][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5618.143989][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5618.143989][ T72] addrconf_dad_begin+0x310/0x670 [ 5618.143989][ T72] addrconf_dad_work+0x10b/0xab0 [ 5618.143989][ T72] process_one_work+0x84d/0x18a0 [ 5618.143989][ T72] worker_thread+0x587/0xd30 [ 5618.143989][ T72] kthread+0x28a/0x350 [ 5618.143989][ T72] ret_from_fork+0x31/0x70 [ 5618.143989][ T72] ret_from_fork_asm+0x1a/0x30 [ 5618.143989][ T72] [ 5618.145885][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5618.145885][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.145885][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.145885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.145885][ T72] ip6_route_add+0x1c/0x140 [ 5618.145885][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5618.145885][ T72] inet6_addr_add+0x4f8/0xa40 [ 5618.145885][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.145885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.145885][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.145885][ T72] netlink_unicast+0x449/0x710 [ 5618.145885][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.145885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.145885][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.145885][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.145885][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.145885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.145885][ T72] [ 5618.147880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5618.147880][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.147880][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.147880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.147880][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5618.147880][ T72] ipv6_add_addr+0x411/0x2000 [ 5618.147880][ T72] inet6_addr_add+0x30e/0xa40 [ 5618.147880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.147880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.147880][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.147880][ T72] netlink_unicast+0x449/0x710 [ 5618.147880][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.147880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.147880][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.147880][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.147880][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.147880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.147880][ T72] [ 5618.149862][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5618.149862][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.149862][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.149862][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.149862][ T72] ip6_route_add+0x1c/0x140 [ 5618.149862][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5618.149862][ T72] addrconf_add_dev+0xe2/0x170 [ 5618.149862][ T72] inet6_addr_add+0x12f/0xa40 [ 5618.149862][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.149862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.149862][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.149862][ T72] netlink_unicast+0x449/0x710 [ 5618.149862][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.149862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.149862][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.149862][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.149862][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.149862][ T72] [ 5618.151815][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5618.151815][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5618.151815][ T72] ipv6_find_idev+0x102/0x170 [ 5618.151815][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5618.151815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.151815][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.151815][ T72] netlink_unicast+0x449/0x710 [ 5618.151815][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.151815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.151815][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.151815][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.151815][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.151815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.151815][ T72] [ 5618.153351][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5618.153351][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5618.153351][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5618.153351][ T72] ipv6_find_idev+0x102/0x170 [ 5618.153351][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5618.153351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.153351][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.153351][ T72] netlink_unicast+0x449/0x710 [ 5618.153351][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.153351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.153351][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.153351][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.153351][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.153351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.153351][ T72] [ 5618.155089][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5618.155411][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5618.155411][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5618.155411][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5618.155411][ T72] fib6_nh_init+0xa22/0x1580 [ 5618.155411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.155411][ T72] ip6_route_add+0x1c/0x140 [ 5618.155411][ T72] inet6_rtm_newroute+0x104/0x110 [ 5618.155411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.155411][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.155411][ T72] netlink_unicast+0x449/0x710 [ 5618.155411][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.155411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.155411][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.155411][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.155411][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.155411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.155411][ T72] [ 5618.157523][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5618.157523][ T72] dst_init+0x84/0x4a0 [ 5618.157523][ T72] dst_alloc+0x97/0x150 [ 5618.157523][ T72] ip6_dst_alloc+0x23/0x90 [ 5618.157523][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5618.157523][ T72] ip6_pol_route+0x56f/0x840 [ 5618.157523][ T72] fib6_rule_lookup+0x456/0x630 [ 5618.157523][ T72] ip6_route_input+0x59c/0xa50 [ 5618.157523][ T72] ipv6_rcv+0x397/0x810 [ 5618.157523][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5618.157523][ T72] process_backlog+0x101/0x620 [ 5618.157523][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5618.157523][ T72] net_rx_action+0x495/0xbe0 [ 5618.157523][ T72] __do_softirq+0x1b5/0x7f6 [ 5618.157523][ T72] [ 5618.159320][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5618.159320][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.159320][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.159320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.159320][ T72] ip6_route_add+0x1c/0x140 [ 5618.159320][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5618.159320][ T72] inet6_addr_add+0x4f8/0xa40 [ 5618.159320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.159320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.159320][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.159320][ T72] netlink_unicast+0x449/0x710 [ 5618.159320][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.159320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.159320][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.159320][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.159320][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.159320][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.159320][ T72] [ 5618.161538][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5618.161538][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.161538][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.161538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.161538][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5618.161538][ T72] ipv6_add_addr+0x411/0x2000 [ 5618.161538][ T72] inet6_addr_add+0x30e/0xa40 [ 5618.161538][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.161538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.161538][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.161538][ T72] netlink_unicast+0x449/0x710 [ 5618.161538][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.161538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.161538][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.161538][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.161538][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.161538][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.161538][ T72] [ 5618.164247][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5618.164247][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.164247][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.164247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.164247][ T72] ip6_route_add+0x1c/0x140 [ 5618.164247][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5618.164247][ T72] addrconf_add_dev+0xe2/0x170 [ 5618.164247][ T72] inet6_addr_add+0x12f/0xa40 [ 5618.164247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.164247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.164247][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.164247][ T72] netlink_unicast+0x449/0x710 [ 5618.164247][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.164247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.164247][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.164247][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.164247][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.164247][ T72] [ 5618.166495][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5618.166495][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5618.166495][ T72] ipv6_find_idev+0x102/0x170 [ 5618.166495][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5618.166495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.166495][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.166495][ T72] netlink_unicast+0x449/0x710 [ 5618.166495][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.166495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.166495][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.166495][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.166495][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.166495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.166495][ T72] [ 5618.168206][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5618.168206][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5618.168206][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5618.168206][ T72] ipv6_find_idev+0x102/0x170 [ 5618.168206][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5618.168206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.168206][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.168206][ T72] netlink_unicast+0x449/0x710 [ 5618.168206][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.168206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.168206][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.168206][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.168206][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.168206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.168206][ T72] [ 5618.170087][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5618.170361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5618.170361][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.170361][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.170361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.170361][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5618.170361][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5618.170361][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5618.170361][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5618.170361][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5618.170361][ T72] addrconf_dad_begin+0x310/0x670 [ 5618.170361][ T72] addrconf_dad_work+0x10b/0xab0 [ 5618.170361][ T72] process_one_work+0x84d/0x18a0 [ 5618.170361][ T72] worker_thread+0x587/0xd30 [ 5618.170361][ T72] kthread+0x28a/0x350 [ 5618.170361][ T72] ret_from_fork+0x31/0x70 [ 5618.170361][ T72] ret_from_fork_asm+0x1a/0x30 [ 5618.170361][ T72] [ 5618.173182][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5618.173182][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.173182][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.173182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.173182][ T72] ip6_route_add+0x1c/0x140 [ 5618.173182][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5618.173182][ T72] inet6_addr_add+0x4f8/0xa40 [ 5618.173182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.173182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.173182][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.173182][ T72] netlink_unicast+0x449/0x710 [ 5618.173182][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.173182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.173182][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.173182][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.173182][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.173182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.173182][ T72] [ 5618.175412][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5618.175412][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.175412][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.175412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.175412][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5618.175412][ T72] ipv6_add_addr+0x411/0x2000 [ 5618.175412][ T72] inet6_addr_add+0x30e/0xa40 [ 5618.175412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.175412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.175412][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.175412][ T72] netlink_unicast+0x449/0x710 [ 5618.175412][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.175412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.175412][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.175412][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.175412][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.175412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.175412][ T72] [ 5618.177698][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5618.177698][ T72] netdev_get_by_index+0x5e/0x80 [ 5618.177698][ T72] fib6_nh_init+0x3d8/0x1580 [ 5618.177698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5618.177698][ T72] ip6_route_add+0x1c/0x140 [ 5618.177698][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5618.177698][ T72] addrconf_add_dev+0xe2/0x170 [ 5618.177698][ T72] inet6_addr_add+0x12f/0xa40 [ 5618.177698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5618.177698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.177698][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.177698][ T72] netlink_unicast+0x449/0x710 [ 5618.177698][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.177698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.177698][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.177698][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.177698][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.177698][ T72] [ 5618.179828][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5618.179828][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5618.179828][ T72] ipv6_find_idev+0x102/0x170 [ 5618.179828][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5618.179828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.179828][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.179828][ T72] netlink_unicast+0x449/0x710 [ 5618.179828][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.179828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.179828][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.179828][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.179828][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.179828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.179828][ T72] [ 5618.181537][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5618.181537][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5618.181537][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5618.181537][ T72] ipv6_find_idev+0x102/0x170 [ 5618.181537][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5618.181537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5618.181537][ T72] netlink_rcv_skb+0x130/0x360 [ 5618.181537][ T72] netlink_unicast+0x449/0x710 [ 5618.181537][ T72] netlink_sendmsg+0x723/0xbe0 [ 5618.181537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5618.181537][ T72] ___sys_sendmsg+0xee/0x170 [ 5618.181537][ T72] __sys_sendmsg+0xcd/0x170 [ 5618.181537][ T72] do_syscall_64+0xc6/0x1e0 [ 5618.181537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5618.181537][ T72] [ 5628.264999][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5628.265511][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5628.265511][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5628.265511][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5628.265511][ T72] fib6_nh_init+0xa22/0x1580 [ 5628.265511][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.265511][ T72] ip6_route_add+0x1c/0x140 [ 5628.265511][ T72] inet6_rtm_newroute+0x104/0x110 [ 5628.265511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.265511][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.265511][ T72] netlink_unicast+0x449/0x710 [ 5628.265511][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.265511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.265511][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.265511][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.265511][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.265511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.265511][ T72] [ 5628.267434][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5628.267434][ T72] dst_init+0x84/0x4a0 [ 5628.267434][ T72] dst_alloc+0x97/0x150 [ 5628.267434][ T72] ip6_dst_alloc+0x23/0x90 [ 5628.267434][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5628.267434][ T72] ip6_pol_route+0x56f/0x840 [ 5628.267434][ T72] fib6_rule_lookup+0x456/0x630 [ 5628.267434][ T72] ip6_route_input+0x59c/0xa50 [ 5628.267434][ T72] ipv6_rcv+0x397/0x810 [ 5628.267434][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5628.267434][ T72] process_backlog+0x101/0x620 [ 5628.267434][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5628.267434][ T72] net_rx_action+0x495/0xbe0 [ 5628.267434][ T72] __do_softirq+0x1b5/0x7f6 [ 5628.267434][ T72] [ 5628.269082][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5628.269082][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.269082][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.269082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.269082][ T72] ip6_route_add+0x1c/0x140 [ 5628.269082][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5628.269082][ T72] inet6_addr_add+0x4f8/0xa40 [ 5628.269082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.269082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.269082][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.269082][ T72] netlink_unicast+0x449/0x710 [ 5628.269082][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.269082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.269082][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.269082][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.269082][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.269082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.269082][ T72] [ 5628.271090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5628.271090][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.271090][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.271090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.271090][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5628.271090][ T72] ipv6_add_addr+0x411/0x2000 [ 5628.271090][ T72] inet6_addr_add+0x30e/0xa40 [ 5628.271090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.271090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.271090][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.271090][ T72] netlink_unicast+0x449/0x710 [ 5628.271090][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.271090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.271090][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.271090][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.271090][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.271090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.271090][ T72] [ 5628.273114][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5628.273114][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.273114][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.273114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.273114][ T72] ip6_route_add+0x1c/0x140 [ 5628.273114][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5628.273114][ T72] addrconf_add_dev+0xe2/0x170 [ 5628.273114][ T72] inet6_addr_add+0x12f/0xa40 [ 5628.273114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.273114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.273114][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.273114][ T72] netlink_unicast+0x449/0x710 [ 5628.273114][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.273114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.273114][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.273114][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.273114][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.273114][ T72] [ 5628.275094][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5628.275094][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5628.275094][ T72] ipv6_find_idev+0x102/0x170 [ 5628.275094][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.275094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.275094][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.275094][ T72] netlink_unicast+0x449/0x710 [ 5628.275094][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.275094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.275094][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.275094][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.275094][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.275094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.275094][ T72] [ 5628.276640][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5628.276640][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5628.276640][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5628.276640][ T72] ipv6_find_idev+0x102/0x170 [ 5628.276640][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.276640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.276640][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.276640][ T72] netlink_unicast+0x449/0x710 [ 5628.276640][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.276640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.276640][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.276640][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.276640][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.276640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.276640][ T72] [ 5628.278371][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5628.278645][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5628.278645][ T72] dst_init+0x84/0x4a0 [ 5628.278645][ T72] dst_alloc+0x97/0x150 [ 5628.278645][ T72] ip6_dst_alloc+0x23/0x90 [ 5628.278645][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5628.278645][ T72] ip6_pol_route+0x56f/0x840 [ 5628.278645][ T72] fib6_rule_lookup+0x456/0x630 [ 5628.278645][ T72] ip6_route_input+0x59c/0xa50 [ 5628.278645][ T72] ipv6_rcv+0x397/0x810 [ 5628.278645][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5628.278645][ T72] process_backlog+0x101/0x620 [ 5628.278645][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5628.278645][ T72] net_rx_action+0x495/0xbe0 [ 5628.278645][ T72] __do_softirq+0x1b5/0x7f6 [ 5628.278645][ T72] [ 5628.280291][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5628.280291][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.280291][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.280291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.280291][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5628.280291][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5628.280291][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5628.280291][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5628.280291][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5628.280291][ T72] addrconf_dad_begin+0x310/0x670 [ 5628.280291][ T72] addrconf_dad_work+0x10b/0xab0 [ 5628.280291][ T72] process_one_work+0x84d/0x18a0 [ 5628.280291][ T72] worker_thread+0x587/0xd30 [ 5628.280291][ T72] kthread+0x28a/0x350 [ 5628.280291][ T72] ret_from_fork+0x31/0x70 [ 5628.280291][ T72] ret_from_fork_asm+0x1a/0x30 [ 5628.280291][ T72] [ 5628.282224][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5628.282224][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.282224][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.282224][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.282224][ T72] ip6_route_add+0x1c/0x140 [ 5628.282224][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5628.282224][ T72] inet6_addr_add+0x4f8/0xa40 [ 5628.282224][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.282224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.282224][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.282224][ T72] netlink_unicast+0x449/0x710 [ 5628.282224][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.282224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.282224][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.282224][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.282224][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.282224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.282224][ T72] [ 5628.284232][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5628.284232][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.284232][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.284232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.284232][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5628.284232][ T72] ipv6_add_addr+0x411/0x2000 [ 5628.284232][ T72] inet6_addr_add+0x30e/0xa40 [ 5628.284232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.284232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.284232][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.284232][ T72] netlink_unicast+0x449/0x710 [ 5628.284232][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.284232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.284232][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.284232][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.284232][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.284232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.284232][ T72] [ 5628.286245][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5628.286245][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.286245][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.286245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.286245][ T72] ip6_route_add+0x1c/0x140 [ 5628.286245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5628.286245][ T72] addrconf_add_dev+0xe2/0x170 [ 5628.286245][ T72] inet6_addr_add+0x12f/0xa40 [ 5628.286245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.286245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.286245][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.286245][ T72] netlink_unicast+0x449/0x710 [ 5628.286245][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.286245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.286245][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.286245][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.286245][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.286245][ T72] [ 5628.288530][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5628.288530][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5628.288530][ T72] ipv6_find_idev+0x102/0x170 [ 5628.288530][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.288530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.288530][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.288530][ T72] netlink_unicast+0x449/0x710 [ 5628.288530][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.288530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.288530][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.288530][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.288530][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.288530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.288530][ T72] [ 5628.290397][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5628.290397][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5628.290397][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5628.290397][ T72] ipv6_find_idev+0x102/0x170 [ 5628.290397][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.290397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.290397][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.290397][ T72] netlink_unicast+0x449/0x710 [ 5628.290397][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.290397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.290397][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.290397][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.290397][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.290397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.290397][ T72] [ 5628.292563][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5628.292905][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5628.292905][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5628.292905][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5628.292905][ T72] fib6_nh_init+0xa22/0x1580 [ 5628.292905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.292905][ T72] ip6_route_add+0x1c/0x140 [ 5628.292905][ T72] inet6_rtm_newroute+0x104/0x110 [ 5628.292905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.292905][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.292905][ T72] netlink_unicast+0x449/0x710 [ 5628.292905][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.292905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.292905][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.292905][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.292905][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.292905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.292905][ T72] [ 5628.295501][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5628.295501][ T72] dst_init+0x84/0x4a0 [ 5628.295501][ T72] dst_alloc+0x97/0x150 [ 5628.295501][ T72] ip6_dst_alloc+0x23/0x90 [ 5628.295501][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5628.295501][ T72] ip6_pol_route+0x56f/0x840 [ 5628.295501][ T72] fib6_rule_lookup+0x456/0x630 [ 5628.295501][ T72] ip6_route_input+0x59c/0xa50 [ 5628.295501][ T72] ipv6_rcv+0x397/0x810 [ 5628.295501][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5628.295501][ T72] process_backlog+0x101/0x620 [ 5628.295501][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5628.295501][ T72] net_rx_action+0x495/0xbe0 [ 5628.295501][ T72] __do_softirq+0x1b5/0x7f6 [ 5628.295501][ T72] [ 5628.297667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5628.297667][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.297667][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.297667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.297667][ T72] ip6_route_add+0x1c/0x140 [ 5628.297667][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5628.297667][ T72] inet6_addr_add+0x4f8/0xa40 [ 5628.297667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.297667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.297667][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.297667][ T72] netlink_unicast+0x449/0x710 [ 5628.297667][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.297667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.297667][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.297667][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.297667][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.297667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.297667][ T72] [ 5628.300329][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5628.300329][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.300329][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.300329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.300329][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5628.300329][ T72] ipv6_add_addr+0x411/0x2000 [ 5628.300329][ T72] inet6_addr_add+0x30e/0xa40 [ 5628.300329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.300329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.300329][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.300329][ T72] netlink_unicast+0x449/0x710 [ 5628.300329][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.300329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.300329][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.300329][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.300329][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.300329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.300329][ T72] [ 5628.302945][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5628.302945][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.302945][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.302945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.302945][ T72] ip6_route_add+0x1c/0x140 [ 5628.302945][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5628.302945][ T72] addrconf_add_dev+0xe2/0x170 [ 5628.302945][ T72] inet6_addr_add+0x12f/0xa40 [ 5628.302945][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.302945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.302945][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.302945][ T72] netlink_unicast+0x449/0x710 [ 5628.302945][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.302945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.302945][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.302945][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.302945][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.302945][ T72] [ 5628.305632][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5628.305632][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5628.305632][ T72] ipv6_find_idev+0x102/0x170 [ 5628.305632][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.305632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.305632][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.305632][ T72] netlink_unicast+0x449/0x710 [ 5628.305632][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.305632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.305632][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.305632][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.305632][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.305632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.305632][ T72] [ 5628.307683][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5628.307683][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5628.307683][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5628.307683][ T72] ipv6_find_idev+0x102/0x170 [ 5628.307683][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.307683][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.307683][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.307683][ T72] netlink_unicast+0x449/0x710 [ 5628.307683][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.307683][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.307683][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.307683][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.307683][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.307683][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.307683][ T72] [ 5628.309915][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5628.310313][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5628.310313][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.310313][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.310313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.310313][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5628.310313][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5628.310313][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5628.310313][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5628.310313][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5628.310313][ T72] addrconf_dad_begin+0x310/0x670 [ 5628.310313][ T72] addrconf_dad_work+0x10b/0xab0 [ 5628.310313][ T72] process_one_work+0x84d/0x18a0 [ 5628.310313][ T72] worker_thread+0x587/0xd30 [ 5628.310313][ T72] kthread+0x28a/0x350 [ 5628.310313][ T72] ret_from_fork+0x31/0x70 [ 5628.310313][ T72] ret_from_fork_asm+0x1a/0x30 [ 5628.310313][ T72] [ 5628.312772][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5628.312772][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.312772][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.312772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.312772][ T72] ip6_route_add+0x1c/0x140 [ 5628.312772][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5628.312772][ T72] inet6_addr_add+0x4f8/0xa40 [ 5628.312772][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.312772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.312772][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.312772][ T72] netlink_unicast+0x449/0x710 [ 5628.312772][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.312772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.312772][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.312772][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.312772][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.312772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.312772][ T72] [ 5628.315445][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5628.315445][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.315445][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.315445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.315445][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5628.315445][ T72] ipv6_add_addr+0x411/0x2000 [ 5628.315445][ T72] inet6_addr_add+0x30e/0xa40 [ 5628.315445][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.315445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.315445][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.315445][ T72] netlink_unicast+0x449/0x710 [ 5628.315445][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.315445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.315445][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.315445][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.315445][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.315445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.315445][ T72] [ 5628.318172][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5628.318172][ T72] netdev_get_by_index+0x5e/0x80 [ 5628.318172][ T72] fib6_nh_init+0x3d8/0x1580 [ 5628.318172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5628.318172][ T72] ip6_route_add+0x1c/0x140 [ 5628.318172][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5628.318172][ T72] addrconf_add_dev+0xe2/0x170 [ 5628.318172][ T72] inet6_addr_add+0x12f/0xa40 [ 5628.318172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.318172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.318172][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.318172][ T72] netlink_unicast+0x449/0x710 [ 5628.318172][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.318172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.318172][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.318172][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.318172][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.318172][ T72] [ 5628.320795][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5628.320795][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5628.320795][ T72] ipv6_find_idev+0x102/0x170 [ 5628.320795][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.320795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.320795][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.320795][ T72] netlink_unicast+0x449/0x710 [ 5628.320795][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.320795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.320795][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.320795][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.320795][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.320795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.320795][ T72] [ 5628.322855][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5628.322855][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5628.322855][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5628.322855][ T72] ipv6_find_idev+0x102/0x170 [ 5628.322855][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.322855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.322855][ T72] netlink_rcv_skb+0x130/0x360 [ 5628.322855][ T72] netlink_unicast+0x449/0x710 [ 5628.322855][ T72] netlink_sendmsg+0x723/0xbe0 [ 5628.322855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5628.322855][ T72] ___sys_sendmsg+0xee/0x170 [ 5628.322855][ T72] __sys_sendmsg+0xcd/0x170 [ 5628.322855][ T72] do_syscall_64+0xc6/0x1e0 [ 5628.322855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.322855][ T72] [ 5638.576982][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5638.577504][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5638.577504][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5638.577504][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5638.577504][ T72] fib6_nh_init+0xa22/0x1580 [ 5638.577504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.577504][ T72] ip6_route_add+0x1c/0x140 [ 5638.577504][ T72] inet6_rtm_newroute+0x104/0x110 [ 5638.577504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.577504][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.577504][ T72] netlink_unicast+0x449/0x710 [ 5638.577504][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.577504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.577504][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.577504][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.577504][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.577504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.577504][ T72] [ 5638.579833][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5638.579833][ T72] dst_init+0x84/0x4a0 [ 5638.579833][ T72] dst_alloc+0x97/0x150 [ 5638.579833][ T72] ip6_dst_alloc+0x23/0x90 [ 5638.579833][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5638.579833][ T72] ip6_pol_route+0x56f/0x840 [ 5638.579833][ T72] fib6_rule_lookup+0x456/0x630 [ 5638.579833][ T72] ip6_route_input+0x59c/0xa50 [ 5638.579833][ T72] ipv6_rcv+0x397/0x810 [ 5638.579833][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5638.579833][ T72] process_backlog+0x101/0x620 [ 5638.579833][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5638.579833][ T72] net_rx_action+0x495/0xbe0 [ 5638.579833][ T72] __do_softirq+0x1b5/0x7f6 [ 5638.579833][ T72] [ 5638.581776][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5638.581776][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.581776][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.581776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.581776][ T72] ip6_route_add+0x1c/0x140 [ 5638.581776][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5638.581776][ T72] inet6_addr_add+0x4f8/0xa40 [ 5638.581776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.581776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.581776][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.581776][ T72] netlink_unicast+0x449/0x710 [ 5638.581776][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.581776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.581776][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.581776][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.581776][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.581776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.581776][ T72] [ 5638.584223][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5638.584223][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.584223][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.584223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.584223][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5638.584223][ T72] ipv6_add_addr+0x411/0x2000 [ 5638.584223][ T72] inet6_addr_add+0x30e/0xa40 [ 5638.584223][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.584223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.584223][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.584223][ T72] netlink_unicast+0x449/0x710 [ 5638.584223][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.584223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.584223][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.584223][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.584223][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.584223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.584223][ T72] [ 5638.586640][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5638.586640][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.586640][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.586640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.586640][ T72] ip6_route_add+0x1c/0x140 [ 5638.586640][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5638.586640][ T72] addrconf_add_dev+0xe2/0x170 [ 5638.586640][ T72] inet6_addr_add+0x12f/0xa40 [ 5638.586640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.586640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.586640][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.586640][ T72] netlink_unicast+0x449/0x710 [ 5638.586640][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.586640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.586640][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.586640][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.586640][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.586640][ T72] [ 5638.589030][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5638.589030][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5638.589030][ T72] ipv6_find_idev+0x102/0x170 [ 5638.589030][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.589030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.589030][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.589030][ T72] netlink_unicast+0x449/0x710 [ 5638.589030][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.589030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.589030][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.589030][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.589030][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.589030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.589030][ T72] [ 5638.590893][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5638.590893][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5638.590893][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5638.590893][ T72] ipv6_find_idev+0x102/0x170 [ 5638.590893][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.590893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.590893][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.590893][ T72] netlink_unicast+0x449/0x710 [ 5638.590893][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.590893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.590893][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.590893][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.590893][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.590893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.590893][ T72] [ 5638.592967][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5638.593298][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5638.593298][ T72] dst_init+0x84/0x4a0 [ 5638.593298][ T72] dst_alloc+0x97/0x150 [ 5638.593298][ T72] ip6_dst_alloc+0x23/0x90 [ 5638.593298][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5638.593298][ T72] ip6_pol_route+0x56f/0x840 [ 5638.593298][ T72] fib6_rule_lookup+0x456/0x630 [ 5638.593298][ T72] ip6_route_input+0x59c/0xa50 [ 5638.593298][ T72] ipv6_rcv+0x397/0x810 [ 5638.593298][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5638.593298][ T72] process_backlog+0x101/0x620 [ 5638.593298][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5638.593298][ T72] net_rx_action+0x495/0xbe0 [ 5638.593298][ T72] __do_softirq+0x1b5/0x7f6 [ 5638.593298][ T72] [ 5638.595288][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5638.595288][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.595288][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.595288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.595288][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5638.595288][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5638.595288][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5638.595288][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5638.595288][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5638.595288][ T72] addrconf_dad_begin+0x310/0x670 [ 5638.595288][ T72] addrconf_dad_work+0x10b/0xab0 [ 5638.595288][ T72] process_one_work+0x84d/0x18a0 [ 5638.595288][ T72] worker_thread+0x587/0xd30 [ 5638.595288][ T72] kthread+0x28a/0x350 [ 5638.595288][ T72] ret_from_fork+0x31/0x70 [ 5638.595288][ T72] ret_from_fork_asm+0x1a/0x30 [ 5638.595288][ T72] [ 5638.597611][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5638.597611][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.597611][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.597611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.597611][ T72] ip6_route_add+0x1c/0x140 [ 5638.597611][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5638.597611][ T72] inet6_addr_add+0x4f8/0xa40 [ 5638.597611][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.597611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.597611][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.597611][ T72] netlink_unicast+0x449/0x710 [ 5638.597611][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.597611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.597611][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.597611][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.597611][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.597611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.597611][ T72] [ 5638.600040][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5638.600040][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.600040][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.600040][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.600040][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5638.600040][ T72] ipv6_add_addr+0x411/0x2000 [ 5638.600040][ T72] inet6_addr_add+0x30e/0xa40 [ 5638.600040][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.600040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.600040][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.600040][ T72] netlink_unicast+0x449/0x710 [ 5638.600040][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.600040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.600040][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.600040][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.600040][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.600040][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.600040][ T72] [ 5638.602448][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5638.602448][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.602448][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.602448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.602448][ T72] ip6_route_add+0x1c/0x140 [ 5638.602448][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5638.602448][ T72] addrconf_add_dev+0xe2/0x170 [ 5638.602448][ T72] inet6_addr_add+0x12f/0xa40 [ 5638.602448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.602448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.602448][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.602448][ T72] netlink_unicast+0x449/0x710 [ 5638.602448][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.602448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.602448][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.602448][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.602448][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.602448][ T72] [ 5638.604833][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5638.604833][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5638.604833][ T72] ipv6_find_idev+0x102/0x170 [ 5638.604833][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.604833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.604833][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.604833][ T72] netlink_unicast+0x449/0x710 [ 5638.604833][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.604833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.604833][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.604833][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.604833][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.604833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.604833][ T72] [ 5638.606701][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5638.606701][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5638.606701][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5638.606701][ T72] ipv6_find_idev+0x102/0x170 [ 5638.606701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.606701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.606701][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.606701][ T72] netlink_unicast+0x449/0x710 [ 5638.606701][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.606701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.606701][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.606701][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.606701][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.606701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.606701][ T72] [ 5638.608866][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5638.609199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5638.609199][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5638.609199][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5638.609199][ T72] fib6_nh_init+0xa22/0x1580 [ 5638.609199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.609199][ T72] ip6_route_add+0x1c/0x140 [ 5638.609199][ T72] inet6_rtm_newroute+0x104/0x110 [ 5638.609199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.609199][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.609199][ T72] netlink_unicast+0x449/0x710 [ 5638.609199][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.609199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.609199][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.609199][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.609199][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.609199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.609199][ T72] [ 5638.611800][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5638.611800][ T72] dst_init+0x84/0x4a0 [ 5638.611800][ T72] dst_alloc+0x97/0x150 [ 5638.611800][ T72] ip6_dst_alloc+0x23/0x90 [ 5638.611800][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5638.611800][ T72] ip6_pol_route+0x56f/0x840 [ 5638.611800][ T72] fib6_rule_lookup+0x456/0x630 [ 5638.611800][ T72] ip6_route_input+0x59c/0xa50 [ 5638.611800][ T72] ipv6_rcv+0x397/0x810 [ 5638.611800][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5638.611800][ T72] process_backlog+0x101/0x620 [ 5638.611800][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5638.611800][ T72] net_rx_action+0x495/0xbe0 [ 5638.611800][ T72] __do_softirq+0x1b5/0x7f6 [ 5638.611800][ T72] [ 5638.613982][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5638.613982][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.613982][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.613982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.613982][ T72] ip6_route_add+0x1c/0x140 [ 5638.613982][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5638.613982][ T72] inet6_addr_add+0x4f8/0xa40 [ 5638.613982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.613982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.613982][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.613982][ T72] netlink_unicast+0x449/0x710 [ 5638.613982][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.613982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.613982][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.613982][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.613982][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.613982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.613982][ T72] [ 5638.616645][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5638.616645][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.616645][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.616645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.616645][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5638.616645][ T72] ipv6_add_addr+0x411/0x2000 [ 5638.616645][ T72] inet6_addr_add+0x30e/0xa40 [ 5638.616645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.616645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.616645][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.616645][ T72] netlink_unicast+0x449/0x710 [ 5638.616645][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.616645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.616645][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.616645][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.616645][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.616645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.616645][ T72] [ 5638.619261][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5638.619261][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.619261][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.619261][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.619261][ T72] ip6_route_add+0x1c/0x140 [ 5638.619261][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5638.619261][ T72] addrconf_add_dev+0xe2/0x170 [ 5638.619261][ T72] inet6_addr_add+0x12f/0xa40 [ 5638.619261][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.619261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.619261][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.619261][ T72] netlink_unicast+0x449/0x710 [ 5638.619261][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.619261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.619261][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.619261][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.619261][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.619261][ T72] [ 5638.621954][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5638.621954][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5638.621954][ T72] ipv6_find_idev+0x102/0x170 [ 5638.621954][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.621954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.621954][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.621954][ T72] netlink_unicast+0x449/0x710 [ 5638.621954][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.621954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.621954][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.621954][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.621954][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.621954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.621954][ T72] [ 5638.624005][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5638.624005][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5638.624005][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5638.624005][ T72] ipv6_find_idev+0x102/0x170 [ 5638.624005][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.624005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.624005][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.624005][ T72] netlink_unicast+0x449/0x710 [ 5638.624005][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.624005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.624005][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.624005][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.624005][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.624005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.624005][ T72] [ 5638.626246][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5638.626642][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5638.626642][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.626642][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.626642][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.626642][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5638.626642][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5638.626642][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5638.626642][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5638.626642][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5638.626642][ T72] addrconf_dad_begin+0x310/0x670 [ 5638.626642][ T72] addrconf_dad_work+0x10b/0xab0 [ 5638.626642][ T72] process_one_work+0x84d/0x18a0 [ 5638.626642][ T72] worker_thread+0x587/0xd30 [ 5638.626642][ T72] kthread+0x28a/0x350 [ 5638.626642][ T72] ret_from_fork+0x31/0x70 [ 5638.626642][ T72] ret_from_fork_asm+0x1a/0x30 [ 5638.626642][ T72] [ 5638.629084][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5638.629084][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.629084][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.629084][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.629084][ T72] ip6_route_add+0x1c/0x140 [ 5638.629084][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5638.629084][ T72] inet6_addr_add+0x4f8/0xa40 [ 5638.629084][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.629084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.629084][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.629084][ T72] netlink_unicast+0x449/0x710 [ 5638.629084][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.629084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.629084][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.629084][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.629084][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.629084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.629084][ T72] [ 5638.631763][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5638.631763][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.631763][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.631763][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.631763][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5638.631763][ T72] ipv6_add_addr+0x411/0x2000 [ 5638.631763][ T72] inet6_addr_add+0x30e/0xa40 [ 5638.631763][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.631763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.631763][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.631763][ T72] netlink_unicast+0x449/0x710 [ 5638.631763][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.631763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.631763][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.631763][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.631763][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.631763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.631763][ T72] [ 5638.634503][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5638.634503][ T72] netdev_get_by_index+0x5e/0x80 [ 5638.634503][ T72] fib6_nh_init+0x3d8/0x1580 [ 5638.634503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5638.634503][ T72] ip6_route_add+0x1c/0x140 [ 5638.634503][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5638.634503][ T72] addrconf_add_dev+0xe2/0x170 [ 5638.634503][ T72] inet6_addr_add+0x12f/0xa40 [ 5638.634503][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.634503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.634503][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.634503][ T72] netlink_unicast+0x449/0x710 [ 5638.634503][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.634503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.634503][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.634503][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.634503][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.634503][ T72] [ 5638.637668][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5638.637668][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5638.637668][ T72] ipv6_find_idev+0x102/0x170 [ 5638.637668][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.637668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.637668][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.637668][ T72] netlink_unicast+0x449/0x710 [ 5638.637668][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.637668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.637668][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.637668][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.637668][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.637668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.637668][ T72] [ 5638.639708][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5638.639708][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5638.639708][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5638.639708][ T72] ipv6_find_idev+0x102/0x170 [ 5638.639708][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.639708][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.639708][ T72] netlink_rcv_skb+0x130/0x360 [ 5638.639708][ T72] netlink_unicast+0x449/0x710 [ 5638.639708][ T72] netlink_sendmsg+0x723/0xbe0 [ 5638.639708][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5638.639708][ T72] ___sys_sendmsg+0xee/0x170 [ 5638.639708][ T72] __sys_sendmsg+0xcd/0x170 [ 5638.639708][ T72] do_syscall_64+0xc6/0x1e0 [ 5638.639708][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.639708][ T72] [ 5648.729013][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5648.729695][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5648.729695][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5648.729695][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5648.729695][ T72] fib6_nh_init+0xa22/0x1580 [ 5648.729695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.729695][ T72] ip6_route_add+0x1c/0x140 [ 5648.729695][ T72] inet6_rtm_newroute+0x104/0x110 [ 5648.729695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.729695][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.729695][ T72] netlink_unicast+0x449/0x710 [ 5648.729695][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.729695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.729695][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.729695][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.729695][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.729695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.729695][ T72] [ 5648.732031][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5648.732031][ T72] dst_init+0x84/0x4a0 [ 5648.732031][ T72] dst_alloc+0x97/0x150 [ 5648.732031][ T72] ip6_dst_alloc+0x23/0x90 [ 5648.732031][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5648.732031][ T72] ip6_pol_route+0x56f/0x840 [ 5648.732031][ T72] fib6_rule_lookup+0x456/0x630 [ 5648.732031][ T72] ip6_route_input+0x59c/0xa50 [ 5648.732031][ T72] ipv6_rcv+0x397/0x810 [ 5648.732031][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5648.732031][ T72] process_backlog+0x101/0x620 [ 5648.732031][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5648.732031][ T72] net_rx_action+0x495/0xbe0 [ 5648.732031][ T72] __do_softirq+0x1b5/0x7f6 [ 5648.732031][ T72] [ 5648.734043][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5648.734043][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.734043][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.734043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.734043][ T72] ip6_route_add+0x1c/0x140 [ 5648.734043][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5648.734043][ T72] inet6_addr_add+0x4f8/0xa40 [ 5648.734043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.734043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.734043][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.734043][ T72] netlink_unicast+0x449/0x710 [ 5648.734043][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.734043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.734043][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.734043][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.734043][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.734043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.734043][ T72] [ 5648.736460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5648.736460][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.736460][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.736460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.736460][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5648.736460][ T72] ipv6_add_addr+0x411/0x2000 [ 5648.736460][ T72] inet6_addr_add+0x30e/0xa40 [ 5648.736460][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.736460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.736460][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.736460][ T72] netlink_unicast+0x449/0x710 [ 5648.736460][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.736460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.736460][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.736460][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.736460][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.736460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.736460][ T72] [ 5648.738859][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5648.738859][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.738859][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.738859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.738859][ T72] ip6_route_add+0x1c/0x140 [ 5648.738859][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.738859][ T72] addrconf_add_dev+0xe2/0x170 [ 5648.738859][ T72] inet6_addr_add+0x12f/0xa40 [ 5648.738859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.738859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.738859][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.738859][ T72] netlink_unicast+0x449/0x710 [ 5648.738859][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.738859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.738859][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.738859][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.738859][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.738859][ T72] [ 5648.741272][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5648.741272][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5648.741272][ T72] ipv6_find_idev+0x102/0x170 [ 5648.741272][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.741272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.741272][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.741272][ T72] netlink_unicast+0x449/0x710 [ 5648.741272][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.741272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.741272][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.741272][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.741272][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.741272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.741272][ T72] [ 5648.743157][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5648.743157][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5648.743157][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5648.743157][ T72] ipv6_find_idev+0x102/0x170 [ 5648.743157][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.743157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.743157][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.743157][ T72] netlink_unicast+0x449/0x710 [ 5648.743157][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.743157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.743157][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.743157][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.743157][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.743157][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.743157][ T72] [ 5648.745228][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5648.745551][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5648.745551][ T72] dst_init+0x84/0x4a0 [ 5648.745551][ T72] dst_alloc+0x97/0x150 [ 5648.745551][ T72] ip6_dst_alloc+0x23/0x90 [ 5648.745551][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5648.745551][ T72] ip6_pol_route+0x56f/0x840 [ 5648.745551][ T72] fib6_rule_lookup+0x456/0x630 [ 5648.745551][ T72] ip6_route_input+0x59c/0xa50 [ 5648.745551][ T72] ipv6_rcv+0x397/0x810 [ 5648.745551][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5648.745551][ T72] process_backlog+0x101/0x620 [ 5648.745551][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5648.745551][ T72] net_rx_action+0x495/0xbe0 [ 5648.745551][ T72] __do_softirq+0x1b5/0x7f6 [ 5648.745551][ T72] [ 5648.747537][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5648.747537][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.747537][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.747537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.747537][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5648.747537][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5648.747537][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5648.747537][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5648.747537][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5648.747537][ T72] addrconf_dad_begin+0x310/0x670 [ 5648.747537][ T72] addrconf_dad_work+0x10b/0xab0 [ 5648.747537][ T72] process_one_work+0x84d/0x18a0 [ 5648.747537][ T72] worker_thread+0x587/0xd30 [ 5648.747537][ T72] kthread+0x28a/0x350 [ 5648.747537][ T72] ret_from_fork+0x31/0x70 [ 5648.747537][ T72] ret_from_fork_asm+0x1a/0x30 [ 5648.747537][ T72] [ 5648.749842][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5648.749842][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.749842][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.749842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.749842][ T72] ip6_route_add+0x1c/0x140 [ 5648.749842][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5648.749842][ T72] inet6_addr_add+0x4f8/0xa40 [ 5648.749842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.749842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.749842][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.749842][ T72] netlink_unicast+0x449/0x710 [ 5648.749842][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.749842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.749842][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.749842][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.749842][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.749842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.749842][ T72] [ 5648.752278][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5648.752278][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.752278][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.752278][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.752278][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5648.752278][ T72] ipv6_add_addr+0x411/0x2000 [ 5648.752278][ T72] inet6_addr_add+0x30e/0xa40 [ 5648.752278][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.752278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.752278][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.752278][ T72] netlink_unicast+0x449/0x710 [ 5648.752278][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.752278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.752278][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.752278][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.752278][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.752278][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.752278][ T72] [ 5648.754691][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5648.754691][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.754691][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.754691][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.754691][ T72] ip6_route_add+0x1c/0x140 [ 5648.754691][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.754691][ T72] addrconf_add_dev+0xe2/0x170 [ 5648.754691][ T72] inet6_addr_add+0x12f/0xa40 [ 5648.754691][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.754691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.754691][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.754691][ T72] netlink_unicast+0x449/0x710 [ 5648.754691][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.754691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.754691][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.754691][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.754691][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.754691][ T72] [ 5648.757063][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5648.757063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5648.757063][ T72] ipv6_find_idev+0x102/0x170 [ 5648.757063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.757063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.757063][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.757063][ T72] netlink_unicast+0x449/0x710 [ 5648.757063][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.757063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.757063][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.757063][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.757063][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.757063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.757063][ T72] [ 5648.758925][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5648.758925][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5648.758925][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5648.758925][ T72] ipv6_find_idev+0x102/0x170 [ 5648.758925][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.758925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.758925][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.758925][ T72] netlink_unicast+0x449/0x710 [ 5648.758925][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.758925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.758925][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.758925][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.758925][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.758925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.758925][ T72] [ 5648.761090][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5648.761416][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5648.761416][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5648.761416][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5648.761416][ T72] fib6_nh_init+0xa22/0x1580 [ 5648.761416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.761416][ T72] ip6_route_add+0x1c/0x140 [ 5648.761416][ T72] inet6_rtm_newroute+0x104/0x110 [ 5648.761416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.761416][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.761416][ T72] netlink_unicast+0x449/0x710 [ 5648.761416][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.761416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.761416][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.761416][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.761416][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.761416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.761416][ T72] [ 5648.764008][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5648.764008][ T72] dst_init+0x84/0x4a0 [ 5648.764008][ T72] dst_alloc+0x97/0x150 [ 5648.764008][ T72] ip6_dst_alloc+0x23/0x90 [ 5648.764008][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5648.764008][ T72] ip6_pol_route+0x56f/0x840 [ 5648.764008][ T72] fib6_rule_lookup+0x456/0x630 [ 5648.764008][ T72] ip6_route_input+0x59c/0xa50 [ 5648.764008][ T72] ipv6_rcv+0x397/0x810 [ 5648.764008][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5648.764008][ T72] process_backlog+0x101/0x620 [ 5648.764008][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5648.764008][ T72] net_rx_action+0x495/0xbe0 [ 5648.764008][ T72] __do_softirq+0x1b5/0x7f6 [ 5648.764008][ T72] [ 5648.766168][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5648.766168][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.766168][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.766168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.766168][ T72] ip6_route_add+0x1c/0x140 [ 5648.766168][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5648.766168][ T72] inet6_addr_add+0x4f8/0xa40 [ 5648.766168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.766168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.766168][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.766168][ T72] netlink_unicast+0x449/0x710 [ 5648.766168][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.766168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.766168][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.766168][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.766168][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.766168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.766168][ T72] [ 5648.768844][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5648.768844][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.768844][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.768844][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.768844][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5648.768844][ T72] ipv6_add_addr+0x411/0x2000 [ 5648.768844][ T72] inet6_addr_add+0x30e/0xa40 [ 5648.768844][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.768844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.768844][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.768844][ T72] netlink_unicast+0x449/0x710 [ 5648.768844][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.768844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.768844][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.768844][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.768844][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.768844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.768844][ T72] [ 5648.771442][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5648.771442][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.771442][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.771442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.771442][ T72] ip6_route_add+0x1c/0x140 [ 5648.771442][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.771442][ T72] addrconf_add_dev+0xe2/0x170 [ 5648.771442][ T72] inet6_addr_add+0x12f/0xa40 [ 5648.771442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.771442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.771442][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.771442][ T72] netlink_unicast+0x449/0x710 [ 5648.771442][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.771442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.771442][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.771442][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.771442][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.771442][ T72] [ 5648.774154][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5648.774154][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5648.774154][ T72] ipv6_find_idev+0x102/0x170 [ 5648.774154][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.774154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.774154][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.774154][ T72] netlink_unicast+0x449/0x710 [ 5648.774154][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.774154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.774154][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.774154][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.774154][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.774154][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.774154][ T72] [ 5648.776199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5648.776199][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5648.776199][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5648.776199][ T72] ipv6_find_idev+0x102/0x170 [ 5648.776199][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.776199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.776199][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.776199][ T72] netlink_unicast+0x449/0x710 [ 5648.776199][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.776199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.776199][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.776199][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.776199][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.776199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.776199][ T72] [ 5648.778454][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5648.779299][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5648.779299][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.779299][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.779299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.779299][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5648.779299][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5648.779299][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5648.779299][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5648.779299][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5648.779299][ T72] addrconf_dad_begin+0x310/0x670 [ 5648.779299][ T72] addrconf_dad_work+0x10b/0xab0 [ 5648.779299][ T72] process_one_work+0x84d/0x18a0 [ 5648.779299][ T72] worker_thread+0x587/0xd30 [ 5648.779299][ T72] kthread+0x28a/0x350 [ 5648.779299][ T72] ret_from_fork+0x31/0x70 [ 5648.779299][ T72] ret_from_fork_asm+0x1a/0x30 [ 5648.779299][ T72] [ 5648.781636][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5648.781636][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.781636][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.781636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.781636][ T72] ip6_route_add+0x1c/0x140 [ 5648.781636][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5648.781636][ T72] inet6_addr_add+0x4f8/0xa40 [ 5648.781636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.781636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.781636][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.781636][ T72] netlink_unicast+0x449/0x710 [ 5648.781636][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.781636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.781636][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.781636][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.781636][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.781636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.781636][ T72] [ 5648.784066][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5648.784066][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.784066][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.784066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.784066][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5648.784066][ T72] ipv6_add_addr+0x411/0x2000 [ 5648.784066][ T72] inet6_addr_add+0x30e/0xa40 [ 5648.784066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.784066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.784066][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.784066][ T72] netlink_unicast+0x449/0x710 [ 5648.784066][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.784066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.784066][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.784066][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.784066][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.784066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.784066][ T72] [ 5648.786702][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5648.786702][ T72] netdev_get_by_index+0x5e/0x80 [ 5648.786702][ T72] fib6_nh_init+0x3d8/0x1580 [ 5648.786702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5648.786702][ T72] ip6_route_add+0x1c/0x140 [ 5648.786702][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.786702][ T72] addrconf_add_dev+0xe2/0x170 [ 5648.786702][ T72] inet6_addr_add+0x12f/0xa40 [ 5648.786702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.786702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.786702][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.786702][ T72] netlink_unicast+0x449/0x710 [ 5648.786702][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.786702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.786702][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.786702][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.786702][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.786702][ T72] [ 5648.789387][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5648.789387][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5648.789387][ T72] ipv6_find_idev+0x102/0x170 [ 5648.789387][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.789387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.789387][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.789387][ T72] netlink_unicast+0x449/0x710 [ 5648.789387][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.789387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.789387][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.789387][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.789387][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.789387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.789387][ T72] [ 5648.791441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5648.791441][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5648.791441][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5648.791441][ T72] ipv6_find_idev+0x102/0x170 [ 5648.791441][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.791441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.791441][ T72] netlink_rcv_skb+0x130/0x360 [ 5648.791441][ T72] netlink_unicast+0x449/0x710 [ 5648.791441][ T72] netlink_sendmsg+0x723/0xbe0 [ 5648.791441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5648.791441][ T72] ___sys_sendmsg+0xee/0x170 [ 5648.791441][ T72] __sys_sendmsg+0xcd/0x170 [ 5648.791441][ T72] do_syscall_64+0xc6/0x1e0 [ 5648.791441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.791441][ T72] [ 5659.016980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5659.017581][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5659.017581][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5659.017581][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5659.017581][ T72] fib6_nh_init+0xa22/0x1580 [ 5659.017581][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.017581][ T72] ip6_route_add+0x1c/0x140 [ 5659.017581][ T72] inet6_rtm_newroute+0x104/0x110 [ 5659.017581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.017581][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.017581][ T72] netlink_unicast+0x449/0x710 [ 5659.017581][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.017581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.017581][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.017581][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.017581][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.017581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.017581][ T72] [ 5659.019738][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5659.019738][ T72] dst_init+0x84/0x4a0 [ 5659.019738][ T72] dst_alloc+0x97/0x150 [ 5659.019738][ T72] ip6_dst_alloc+0x23/0x90 [ 5659.019738][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5659.019738][ T72] ip6_pol_route+0x56f/0x840 [ 5659.019738][ T72] fib6_rule_lookup+0x456/0x630 [ 5659.019738][ T72] ip6_route_input+0x59c/0xa50 [ 5659.019738][ T72] ipv6_rcv+0x397/0x810 [ 5659.019738][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5659.019738][ T72] process_backlog+0x101/0x620 [ 5659.019738][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5659.019738][ T72] net_rx_action+0x495/0xbe0 [ 5659.019738][ T72] __do_softirq+0x1b5/0x7f6 [ 5659.019738][ T72] [ 5659.021683][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5659.021683][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.021683][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.021683][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.021683][ T72] ip6_route_add+0x1c/0x140 [ 5659.021683][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5659.021683][ T72] inet6_addr_add+0x4f8/0xa40 [ 5659.021683][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.021683][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.021683][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.021683][ T72] netlink_unicast+0x449/0x710 [ 5659.021683][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.021683][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.021683][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.021683][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.021683][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.021683][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.021683][ T72] [ 5659.024120][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5659.024120][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.024120][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.024120][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.024120][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5659.024120][ T72] ipv6_add_addr+0x411/0x2000 [ 5659.024120][ T72] inet6_addr_add+0x30e/0xa40 [ 5659.024120][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.024120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.024120][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.024120][ T72] netlink_unicast+0x449/0x710 [ 5659.024120][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.024120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.024120][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.024120][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.024120][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.024120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.024120][ T72] [ 5659.026475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5659.026475][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.026475][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.026475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.026475][ T72] ip6_route_add+0x1c/0x140 [ 5659.026475][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5659.026475][ T72] addrconf_add_dev+0xe2/0x170 [ 5659.026475][ T72] inet6_addr_add+0x12f/0xa40 [ 5659.026475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.026475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.026475][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.026475][ T72] netlink_unicast+0x449/0x710 [ 5659.026475][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.026475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.026475][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.026475][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.026475][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.026475][ T72] [ 5659.028744][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5659.028744][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5659.028744][ T72] ipv6_find_idev+0x102/0x170 [ 5659.028744][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5659.028744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.028744][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.028744][ T72] netlink_unicast+0x449/0x710 [ 5659.028744][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.028744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.028744][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.028744][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.028744][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.028744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.028744][ T72] [ 5659.030603][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5659.030603][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5659.030603][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5659.030603][ T72] ipv6_find_idev+0x102/0x170 [ 5659.030603][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5659.030603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.030603][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.030603][ T72] netlink_unicast+0x449/0x710 [ 5659.030603][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.030603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.030603][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.030603][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.030603][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.030603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.030603][ T72] [ 5659.032694][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5659.033045][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5659.033045][ T72] dst_init+0x84/0x4a0 [ 5659.033045][ T72] dst_alloc+0x97/0x150 [ 5659.033045][ T72] ip6_dst_alloc+0x23/0x90 [ 5659.033045][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5659.033045][ T72] ip6_pol_route+0x56f/0x840 [ 5659.033045][ T72] fib6_rule_lookup+0x456/0x630 [ 5659.033045][ T72] ip6_route_input+0x59c/0xa50 [ 5659.033045][ T72] ipv6_rcv+0x397/0x810 [ 5659.033045][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5659.033045][ T72] process_backlog+0x101/0x620 [ 5659.033045][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5659.033045][ T72] net_rx_action+0x495/0xbe0 [ 5659.033045][ T72] __do_softirq+0x1b5/0x7f6 [ 5659.033045][ T72] [ 5659.035013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5659.035013][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.035013][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.035013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.035013][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5659.035013][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5659.035013][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5659.035013][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5659.035013][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5659.035013][ T72] addrconf_dad_begin+0x310/0x670 [ 5659.035013][ T72] addrconf_dad_work+0x10b/0xab0 [ 5659.035013][ T72] process_one_work+0x84d/0x18a0 [ 5659.035013][ T72] worker_thread+0x587/0xd30 [ 5659.035013][ T72] kthread+0x28a/0x350 [ 5659.035013][ T72] ret_from_fork+0x31/0x70 [ 5659.035013][ T72] ret_from_fork_asm+0x1a/0x30 [ 5659.035013][ T72] [ 5659.037243][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5659.037243][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.037243][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.037243][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.037243][ T72] ip6_route_add+0x1c/0x140 [ 5659.037243][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5659.037243][ T72] inet6_addr_add+0x4f8/0xa40 [ 5659.037243][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.037243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.037243][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.037243][ T72] netlink_unicast+0x449/0x710 [ 5659.037243][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.037243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.037243][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.037243][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.037243][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.037243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.037243][ T72] [ 5659.039502][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5659.039502][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.039502][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.039502][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.039502][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5659.039502][ T72] ipv6_add_addr+0x411/0x2000 [ 5659.039502][ T72] inet6_addr_add+0x30e/0xa40 [ 5659.039502][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.039502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.039502][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.039502][ T72] netlink_unicast+0x449/0x710 [ 5659.039502][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.039502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.039502][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.039502][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.039502][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.039502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.039502][ T72] [ 5659.041883][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5659.041883][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.041883][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.041883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.041883][ T72] ip6_route_add+0x1c/0x140 [ 5659.041883][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5659.041883][ T72] addrconf_add_dev+0xe2/0x170 [ 5659.041883][ T72] inet6_addr_add+0x12f/0xa40 [ 5659.041883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.041883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.041883][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.041883][ T72] netlink_unicast+0x449/0x710 [ 5659.041883][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.041883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.041883][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.041883][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.041883][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.041883][ T72] [ 5659.044204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5659.044204][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5659.044204][ T72] ipv6_find_idev+0x102/0x170 [ 5659.044204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5659.044204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.044204][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.044204][ T72] netlink_unicast+0x449/0x710 [ 5659.044204][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.044204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.044204][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.044204][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.044204][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.044204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.044204][ T72] [ 5659.046031][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5659.046031][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5659.046031][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5659.046031][ T72] ipv6_find_idev+0x102/0x170 [ 5659.046031][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5659.046031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.046031][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.046031][ T72] netlink_unicast+0x449/0x710 [ 5659.046031][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.046031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.046031][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.046031][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.046031][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.046031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.046031][ T72] [ 5659.048213][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5659.048553][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5659.048553][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5659.048553][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5659.048553][ T72] fib6_nh_init+0xa22/0x1580 [ 5659.048553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.048553][ T72] ip6_route_add+0x1c/0x140 [ 5659.048553][ T72] inet6_rtm_newroute+0x104/0x110 [ 5659.048553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.048553][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.048553][ T72] netlink_unicast+0x449/0x710 [ 5659.048553][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.048553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.048553][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.048553][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.048553][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.048553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.048553][ T72] [ 5659.051030][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5659.051030][ T72] dst_init+0x84/0x4a0 [ 5659.051030][ T72] dst_alloc+0x97/0x150 [ 5659.051030][ T72] ip6_dst_alloc+0x23/0x90 [ 5659.051030][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5659.051030][ T72] ip6_pol_route+0x56f/0x840 [ 5659.051030][ T72] fib6_rule_lookup+0x456/0x630 [ 5659.051030][ T72] ip6_route_input+0x59c/0xa50 [ 5659.051030][ T72] ipv6_rcv+0x397/0x810 [ 5659.051030][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5659.051030][ T72] process_backlog+0x101/0x620 [ 5659.051030][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5659.051030][ T72] net_rx_action+0x495/0xbe0 [ 5659.051030][ T72] __do_softirq+0x1b5/0x7f6 [ 5659.051030][ T72] [ 5659.053158][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5659.053158][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.053158][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.053158][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.053158][ T72] ip6_route_add+0x1c/0x140 [ 5659.053158][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5659.053158][ T72] inet6_addr_add+0x4f8/0xa40 [ 5659.053158][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.053158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.053158][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.053158][ T72] netlink_unicast+0x449/0x710 [ 5659.053158][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.053158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.053158][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.053158][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.053158][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.053158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.053158][ T72] [ 5659.055851][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5659.055851][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.055851][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.055851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.055851][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5659.055851][ T72] ipv6_add_addr+0x411/0x2000 [ 5659.055851][ T72] inet6_addr_add+0x30e/0xa40 [ 5659.055851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.055851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.055851][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.055851][ T72] netlink_unicast+0x449/0x710 [ 5659.055851][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.055851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.055851][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.055851][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.055851][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.055851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.055851][ T72] [ 5659.058298][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5659.058298][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.058298][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.058298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.058298][ T72] ip6_route_add+0x1c/0x140 [ 5659.058298][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5659.058298][ T72] addrconf_add_dev+0xe2/0x170 [ 5659.058298][ T72] inet6_addr_add+0x12f/0xa40 [ 5659.058298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.058298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.058298][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.058298][ T72] netlink_unicast+0x449/0x710 [ 5659.058298][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.058298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.058298][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.058298][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.058298][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.058298][ T72] [ 5659.061002][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5659.061002][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5659.061002][ T72] ipv6_find_idev+0x102/0x170 [ 5659.061002][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5659.061002][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.061002][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.061002][ T72] netlink_unicast+0x449/0x710 [ 5659.061002][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.061002][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.061002][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.061002][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.061002][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.061002][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.061002][ T72] [ 5659.063138][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5659.063138][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5659.063138][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5659.063138][ T72] ipv6_find_idev+0x102/0x170 [ 5659.063138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5659.063138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.063138][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.063138][ T72] netlink_unicast+0x449/0x710 [ 5659.063138][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.063138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.063138][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.063138][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.063138][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.063138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.063138][ T72] [ 5659.065746][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5659.066527][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5659.066527][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.066527][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.066527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.066527][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5659.066527][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5659.066527][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5659.066527][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5659.066527][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5659.066527][ T72] addrconf_dad_begin+0x310/0x670 [ 5659.066527][ T72] addrconf_dad_work+0x10b/0xab0 [ 5659.066527][ T72] process_one_work+0x84d/0x18a0 [ 5659.066527][ T72] worker_thread+0x587/0xd30 [ 5659.066527][ T72] kthread+0x28a/0x350 [ 5659.066527][ T72] ret_from_fork+0x31/0x70 [ 5659.066527][ T72] ret_from_fork_asm+0x1a/0x30 [ 5659.066527][ T72] [ 5659.068755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5659.068755][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.068755][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.068755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.068755][ T72] ip6_route_add+0x1c/0x140 [ 5659.068755][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5659.068755][ T72] inet6_addr_add+0x4f8/0xa40 [ 5659.068755][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.068755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.068755][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.068755][ T72] netlink_unicast+0x449/0x710 [ 5659.068755][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.068755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.068755][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.068755][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.068755][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.068755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.068755][ T72] [ 5659.071019][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5659.071019][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.071019][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.071019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.071019][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5659.071019][ T72] ipv6_add_addr+0x411/0x2000 [ 5659.071019][ T72] inet6_addr_add+0x30e/0xa40 [ 5659.071019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.071019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.071019][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.071019][ T72] netlink_unicast+0x449/0x710 [ 5659.071019][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.071019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.071019][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.071019][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.071019][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.071019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.071019][ T72] [ 5659.073514][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5659.073514][ T72] netdev_get_by_index+0x5e/0x80 [ 5659.073514][ T72] fib6_nh_init+0x3d8/0x1580 [ 5659.073514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5659.073514][ T72] ip6_route_add+0x1c/0x140 [ 5659.073514][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5659.073514][ T72] addrconf_add_dev+0xe2/0x170 [ 5659.073514][ T72] inet6_addr_add+0x12f/0xa40 [ 5659.073514][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5659.073514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.073514][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.073514][ T72] netlink_unicast+0x449/0x710 [ 5659.073514][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.073514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.073514][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.073514][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.073514][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.073514][ T72] [ 5659.076090][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5659.076090][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5659.076090][ T72] ipv6_find_idev+0x102/0x170 [ 5659.076090][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5659.076090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.076090][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.076090][ T72] netlink_unicast+0x449/0x710 [ 5659.076090][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.076090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.076090][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.076090][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.076090][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.076090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.076090][ T72] [ 5659.078081][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5659.078081][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5659.078081][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5659.078081][ T72] ipv6_find_idev+0x102/0x170 [ 5659.078081][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5659.078081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5659.078081][ T72] netlink_rcv_skb+0x130/0x360 [ 5659.078081][ T72] netlink_unicast+0x449/0x710 [ 5659.078081][ T72] netlink_sendmsg+0x723/0xbe0 [ 5659.078081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5659.078081][ T72] ___sys_sendmsg+0xee/0x170 [ 5659.078081][ T72] __sys_sendmsg+0xcd/0x170 [ 5659.078081][ T72] do_syscall_64+0xc6/0x1e0 [ 5659.078081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5659.078081][ T72] [ 5669.320957][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5669.321487][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5669.321487][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5669.321487][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5669.321487][ T72] fib6_nh_init+0xa22/0x1580 [ 5669.321487][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.321487][ T72] ip6_route_add+0x1c/0x140 [ 5669.321487][ T72] inet6_rtm_newroute+0x104/0x110 [ 5669.321487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.321487][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.321487][ T72] netlink_unicast+0x449/0x710 [ 5669.321487][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.321487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.321487][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.321487][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.321487][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.321487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.321487][ T72] [ 5669.323849][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5669.323849][ T72] dst_init+0x84/0x4a0 [ 5669.323849][ T72] dst_alloc+0x97/0x150 [ 5669.323849][ T72] ip6_dst_alloc+0x23/0x90 [ 5669.323849][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5669.323849][ T72] ip6_pol_route+0x56f/0x840 [ 5669.323849][ T72] fib6_rule_lookup+0x456/0x630 [ 5669.323849][ T72] ip6_route_input+0x59c/0xa50 [ 5669.323849][ T72] ipv6_rcv+0x397/0x810 [ 5669.323849][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5669.323849][ T72] process_backlog+0x101/0x620 [ 5669.323849][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5669.323849][ T72] net_rx_action+0x495/0xbe0 [ 5669.323849][ T72] __do_softirq+0x1b5/0x7f6 [ 5669.323849][ T72] [ 5669.325833][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5669.325833][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.325833][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.325833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.325833][ T72] ip6_route_add+0x1c/0x140 [ 5669.325833][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5669.325833][ T72] inet6_addr_add+0x4f8/0xa40 [ 5669.325833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.325833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.325833][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.325833][ T72] netlink_unicast+0x449/0x710 [ 5669.325833][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.325833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.325833][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.325833][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.325833][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.325833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.325833][ T72] [ 5669.328283][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5669.328283][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.328283][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.328283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.328283][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5669.328283][ T72] ipv6_add_addr+0x411/0x2000 [ 5669.328283][ T72] inet6_addr_add+0x30e/0xa40 [ 5669.328283][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.328283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.328283][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.328283][ T72] netlink_unicast+0x449/0x710 [ 5669.328283][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.328283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.328283][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.328283][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.328283][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.328283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.328283][ T72] [ 5669.330732][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5669.330732][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.330732][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.330732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.330732][ T72] ip6_route_add+0x1c/0x140 [ 5669.330732][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5669.330732][ T72] addrconf_add_dev+0xe2/0x170 [ 5669.330732][ T72] inet6_addr_add+0x12f/0xa40 [ 5669.330732][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.330732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.330732][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.330732][ T72] netlink_unicast+0x449/0x710 [ 5669.330732][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.330732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.330732][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.330732][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.330732][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.330732][ T72] [ 5669.333140][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5669.333140][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5669.333140][ T72] ipv6_find_idev+0x102/0x170 [ 5669.333140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.333140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.333140][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.333140][ T72] netlink_unicast+0x449/0x710 [ 5669.333140][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.333140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.333140][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.333140][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.333140][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.333140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.333140][ T72] [ 5669.335024][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5669.335024][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5669.335024][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5669.335024][ T72] ipv6_find_idev+0x102/0x170 [ 5669.335024][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.335024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.335024][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.335024][ T72] netlink_unicast+0x449/0x710 [ 5669.335024][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.335024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.335024][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.335024][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.335024][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.335024][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.335024][ T72] [ 5669.337109][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5669.337443][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5669.337443][ T72] dst_init+0x84/0x4a0 [ 5669.337443][ T72] dst_alloc+0x97/0x150 [ 5669.337443][ T72] ip6_dst_alloc+0x23/0x90 [ 5669.337443][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5669.337443][ T72] ip6_pol_route+0x56f/0x840 [ 5669.337443][ T72] fib6_rule_lookup+0x456/0x630 [ 5669.337443][ T72] ip6_route_input+0x59c/0xa50 [ 5669.337443][ T72] ipv6_rcv+0x397/0x810 [ 5669.337443][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5669.337443][ T72] process_backlog+0x101/0x620 [ 5669.337443][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5669.337443][ T72] net_rx_action+0x495/0xbe0 [ 5669.337443][ T72] __do_softirq+0x1b5/0x7f6 [ 5669.337443][ T72] [ 5669.339444][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5669.339444][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.339444][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.339444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.339444][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5669.339444][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5669.339444][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5669.339444][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5669.339444][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5669.339444][ T72] addrconf_dad_begin+0x310/0x670 [ 5669.339444][ T72] addrconf_dad_work+0x10b/0xab0 [ 5669.339444][ T72] process_one_work+0x84d/0x18a0 [ 5669.339444][ T72] worker_thread+0x587/0xd30 [ 5669.339444][ T72] kthread+0x28a/0x350 [ 5669.339444][ T72] ret_from_fork+0x31/0x70 [ 5669.339444][ T72] ret_from_fork_asm+0x1a/0x30 [ 5669.339444][ T72] [ 5669.341780][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5669.341780][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.341780][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.341780][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.341780][ T72] ip6_route_add+0x1c/0x140 [ 5669.341780][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5669.341780][ T72] inet6_addr_add+0x4f8/0xa40 [ 5669.341780][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.341780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.341780][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.341780][ T72] netlink_unicast+0x449/0x710 [ 5669.341780][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.341780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.341780][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.341780][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.341780][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.341780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.341780][ T72] [ 5669.344190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5669.344190][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.344190][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.344190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.344190][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5669.344190][ T72] ipv6_add_addr+0x411/0x2000 [ 5669.344190][ T72] inet6_addr_add+0x30e/0xa40 [ 5669.344190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.344190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.344190][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.344190][ T72] netlink_unicast+0x449/0x710 [ 5669.344190][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.344190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.344190][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.344190][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.344190][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.344190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.344190][ T72] [ 5669.346606][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5669.346606][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.346606][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.346606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.346606][ T72] ip6_route_add+0x1c/0x140 [ 5669.346606][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5669.346606][ T72] addrconf_add_dev+0xe2/0x170 [ 5669.346606][ T72] inet6_addr_add+0x12f/0xa40 [ 5669.346606][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.346606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.346606][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.346606][ T72] netlink_unicast+0x449/0x710 [ 5669.346606][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.346606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.346606][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.346606][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.346606][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.346606][ T72] [ 5669.348976][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5669.348976][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5669.348976][ T72] ipv6_find_idev+0x102/0x170 [ 5669.348976][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.348976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.348976][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.348976][ T72] netlink_unicast+0x449/0x710 [ 5669.348976][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.348976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.348976][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.348976][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.348976][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.348976][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.348976][ T72] [ 5669.350839][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5669.350839][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5669.350839][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5669.350839][ T72] ipv6_find_idev+0x102/0x170 [ 5669.350839][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.350839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.350839][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.350839][ T72] netlink_unicast+0x449/0x710 [ 5669.350839][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.350839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.350839][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.350839][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.350839][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.350839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.350839][ T72] [ 5669.353026][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5669.353352][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5669.353352][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5669.353352][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5669.353352][ T72] fib6_nh_init+0xa22/0x1580 [ 5669.353352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.353352][ T72] ip6_route_add+0x1c/0x140 [ 5669.353352][ T72] inet6_rtm_newroute+0x104/0x110 [ 5669.353352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.353352][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.353352][ T72] netlink_unicast+0x449/0x710 [ 5669.353352][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.353352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.353352][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.353352][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.353352][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.353352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.353352][ T72] [ 5669.355958][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5669.355958][ T72] dst_init+0x84/0x4a0 [ 5669.355958][ T72] dst_alloc+0x97/0x150 [ 5669.355958][ T72] ip6_dst_alloc+0x23/0x90 [ 5669.355958][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5669.355958][ T72] ip6_pol_route+0x56f/0x840 [ 5669.355958][ T72] fib6_rule_lookup+0x456/0x630 [ 5669.355958][ T72] ip6_route_input+0x59c/0xa50 [ 5669.355958][ T72] ipv6_rcv+0x397/0x810 [ 5669.355958][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5669.355958][ T72] process_backlog+0x101/0x620 [ 5669.355958][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5669.355958][ T72] net_rx_action+0x495/0xbe0 [ 5669.355958][ T72] __do_softirq+0x1b5/0x7f6 [ 5669.355958][ T72] [ 5669.358130][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5669.358130][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.358130][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.358130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.358130][ T72] ip6_route_add+0x1c/0x140 [ 5669.358130][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5669.358130][ T72] inet6_addr_add+0x4f8/0xa40 [ 5669.358130][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.358130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.358130][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.358130][ T72] netlink_unicast+0x449/0x710 [ 5669.358130][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.358130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.358130][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.358130][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.358130][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.358130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.358130][ T72] [ 5669.360801][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5669.360801][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.360801][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.360801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.360801][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5669.360801][ T72] ipv6_add_addr+0x411/0x2000 [ 5669.360801][ T72] inet6_addr_add+0x30e/0xa40 [ 5669.360801][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.360801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.360801][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.360801][ T72] netlink_unicast+0x449/0x710 [ 5669.360801][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.360801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.360801][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.360801][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.360801][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.360801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.360801][ T72] [ 5669.363420][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5669.363420][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.363420][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.363420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.363420][ T72] ip6_route_add+0x1c/0x140 [ 5669.363420][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5669.363420][ T72] addrconf_add_dev+0xe2/0x170 [ 5669.363420][ T72] inet6_addr_add+0x12f/0xa40 [ 5669.363420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.363420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.363420][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.363420][ T72] netlink_unicast+0x449/0x710 [ 5669.363420][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.363420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.363420][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.363420][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.363420][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.363420][ T72] [ 5669.366118][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5669.366118][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5669.366118][ T72] ipv6_find_idev+0x102/0x170 [ 5669.366118][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.366118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.366118][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.366118][ T72] netlink_unicast+0x449/0x710 [ 5669.366118][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.366118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.366118][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.366118][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.366118][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.366118][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.366118][ T72] [ 5669.368176][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5669.368176][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5669.368176][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5669.368176][ T72] ipv6_find_idev+0x102/0x170 [ 5669.368176][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.368176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.368176][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.368176][ T72] netlink_unicast+0x449/0x710 [ 5669.368176][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.368176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.368176][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.368176][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.368176][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.368176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.368176][ T72] [ 5669.370421][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5669.370831][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5669.370831][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.370831][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.370831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.370831][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5669.370831][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5669.370831][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5669.370831][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5669.370831][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5669.370831][ T72] addrconf_dad_begin+0x310/0x670 [ 5669.370831][ T72] addrconf_dad_work+0x10b/0xab0 [ 5669.370831][ T72] process_one_work+0x84d/0x18a0 [ 5669.370831][ T72] worker_thread+0x587/0xd30 [ 5669.370831][ T72] kthread+0x28a/0x350 [ 5669.370831][ T72] ret_from_fork+0x31/0x70 [ 5669.370831][ T72] ret_from_fork_asm+0x1a/0x30 [ 5669.370831][ T72] [ 5669.373286][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5669.373286][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.373286][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.373286][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.373286][ T72] ip6_route_add+0x1c/0x140 [ 5669.373286][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5669.373286][ T72] inet6_addr_add+0x4f8/0xa40 [ 5669.373286][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.373286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.373286][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.373286][ T72] netlink_unicast+0x449/0x710 [ 5669.373286][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.373286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.373286][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.373286][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.373286][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.373286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.373286][ T72] [ 5669.375968][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5669.375968][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.375968][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.375968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.375968][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5669.375968][ T72] ipv6_add_addr+0x411/0x2000 [ 5669.375968][ T72] inet6_addr_add+0x30e/0xa40 [ 5669.375968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.375968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.375968][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.375968][ T72] netlink_unicast+0x449/0x710 [ 5669.375968][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.375968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.375968][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.375968][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.375968][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.375968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.375968][ T72] [ 5669.378702][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5669.378702][ T72] netdev_get_by_index+0x5e/0x80 [ 5669.378702][ T72] fib6_nh_init+0x3d8/0x1580 [ 5669.378702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5669.378702][ T72] ip6_route_add+0x1c/0x140 [ 5669.378702][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5669.378702][ T72] addrconf_add_dev+0xe2/0x170 [ 5669.378702][ T72] inet6_addr_add+0x12f/0xa40 [ 5669.378702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.378702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.378702][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.378702][ T72] netlink_unicast+0x449/0x710 [ 5669.378702][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.378702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.378702][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.378702][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.378702][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.378702][ T72] [ 5669.381337][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5669.381337][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5669.381337][ T72] ipv6_find_idev+0x102/0x170 [ 5669.381337][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.381337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.381337][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.381337][ T72] netlink_unicast+0x449/0x710 [ 5669.381337][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.381337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.381337][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.381337][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.381337][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.381337][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.381337][ T72] [ 5669.383407][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5669.383407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5669.383407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5669.383407][ T72] ipv6_find_idev+0x102/0x170 [ 5669.383407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.383407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.383407][ T72] netlink_rcv_skb+0x130/0x360 [ 5669.383407][ T72] netlink_unicast+0x449/0x710 [ 5669.383407][ T72] netlink_sendmsg+0x723/0xbe0 [ 5669.383407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5669.383407][ T72] ___sys_sendmsg+0xee/0x170 [ 5669.383407][ T72] __sys_sendmsg+0xcd/0x170 [ 5669.383407][ T72] do_syscall_64+0xc6/0x1e0 [ 5669.383407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.383407][ T72] [ 5679.424970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5679.425510][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5679.425510][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5679.425510][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5679.425510][ T72] fib6_nh_init+0xa22/0x1580 [ 5679.425510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.425510][ T72] ip6_route_add+0x1c/0x140 [ 5679.425510][ T72] inet6_rtm_newroute+0x104/0x110 [ 5679.425510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.425510][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.425510][ T72] netlink_unicast+0x449/0x710 [ 5679.425510][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.425510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.425510][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.425510][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.425510][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.425510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.425510][ T72] [ 5679.427838][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5679.427838][ T72] dst_init+0x84/0x4a0 [ 5679.427838][ T72] dst_alloc+0x97/0x150 [ 5679.427838][ T72] ip6_dst_alloc+0x23/0x90 [ 5679.427838][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5679.427838][ T72] ip6_pol_route+0x56f/0x840 [ 5679.427838][ T72] fib6_rule_lookup+0x456/0x630 [ 5679.427838][ T72] ip6_route_input+0x59c/0xa50 [ 5679.427838][ T72] ipv6_rcv+0x397/0x810 [ 5679.427838][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5679.427838][ T72] process_backlog+0x101/0x620 [ 5679.427838][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5679.427838][ T72] net_rx_action+0x495/0xbe0 [ 5679.427838][ T72] __do_softirq+0x1b5/0x7f6 [ 5679.427838][ T72] [ 5679.429852][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5679.429852][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.429852][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.429852][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.429852][ T72] ip6_route_add+0x1c/0x140 [ 5679.429852][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5679.429852][ T72] inet6_addr_add+0x4f8/0xa40 [ 5679.429852][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.429852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.429852][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.429852][ T72] netlink_unicast+0x449/0x710 [ 5679.429852][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.429852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.429852][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.429852][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.429852][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.429852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.429852][ T72] [ 5679.432320][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5679.432320][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.432320][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.432320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.432320][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5679.432320][ T72] ipv6_add_addr+0x411/0x2000 [ 5679.432320][ T72] inet6_addr_add+0x30e/0xa40 [ 5679.432320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.432320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.432320][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.432320][ T72] netlink_unicast+0x449/0x710 [ 5679.432320][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.432320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.432320][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.432320][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.432320][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.432320][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.432320][ T72] [ 5679.434769][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5679.434769][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.434769][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.434769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.434769][ T72] ip6_route_add+0x1c/0x140 [ 5679.434769][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5679.434769][ T72] addrconf_add_dev+0xe2/0x170 [ 5679.434769][ T72] inet6_addr_add+0x12f/0xa40 [ 5679.434769][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.434769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.434769][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.434769][ T72] netlink_unicast+0x449/0x710 [ 5679.434769][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.434769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.434769][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.434769][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.434769][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.434769][ T72] [ 5679.437187][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5679.437187][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5679.437187][ T72] ipv6_find_idev+0x102/0x170 [ 5679.437187][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.437187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.437187][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.437187][ T72] netlink_unicast+0x449/0x710 [ 5679.437187][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.437187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.437187][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.437187][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.437187][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.437187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.437187][ T72] [ 5679.439083][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5679.439083][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5679.439083][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5679.439083][ T72] ipv6_find_idev+0x102/0x170 [ 5679.439083][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.439083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.439083][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.439083][ T72] netlink_unicast+0x449/0x710 [ 5679.439083][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.439083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.439083][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.439083][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.439083][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.439083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.439083][ T72] [ 5679.441179][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5679.441514][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5679.441514][ T72] dst_init+0x84/0x4a0 [ 5679.441514][ T72] dst_alloc+0x97/0x150 [ 5679.441514][ T72] ip6_dst_alloc+0x23/0x90 [ 5679.441514][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5679.441514][ T72] ip6_pol_route+0x56f/0x840 [ 5679.441514][ T72] fib6_rule_lookup+0x456/0x630 [ 5679.441514][ T72] ip6_route_input+0x59c/0xa50 [ 5679.441514][ T72] ipv6_rcv+0x397/0x810 [ 5679.441514][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5679.441514][ T72] process_backlog+0x101/0x620 [ 5679.441514][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5679.441514][ T72] net_rx_action+0x495/0xbe0 [ 5679.441514][ T72] __do_softirq+0x1b5/0x7f6 [ 5679.441514][ T72] [ 5679.443527][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5679.443527][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.443527][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.443527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.443527][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5679.443527][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5679.443527][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5679.443527][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5679.443527][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5679.443527][ T72] addrconf_dad_begin+0x310/0x670 [ 5679.443527][ T72] addrconf_dad_work+0x10b/0xab0 [ 5679.443527][ T72] process_one_work+0x84d/0x18a0 [ 5679.443527][ T72] worker_thread+0x587/0xd30 [ 5679.443527][ T72] kthread+0x28a/0x350 [ 5679.443527][ T72] ret_from_fork+0x31/0x70 [ 5679.443527][ T72] ret_from_fork_asm+0x1a/0x30 [ 5679.443527][ T72] [ 5679.445520][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5679.445520][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.445520][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.445520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.445520][ T72] ip6_route_add+0x1c/0x140 [ 5679.445520][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5679.445520][ T72] inet6_addr_add+0x4f8/0xa40 [ 5679.445520][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.445520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.445520][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.445520][ T72] netlink_unicast+0x449/0x710 [ 5679.445520][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.445520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.445520][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.445520][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.445520][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.445520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.445520][ T72] [ 5679.447531][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5679.447531][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.447531][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.447531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.447531][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5679.447531][ T72] ipv6_add_addr+0x411/0x2000 [ 5679.447531][ T72] inet6_addr_add+0x30e/0xa40 [ 5679.447531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.447531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.447531][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.447531][ T72] netlink_unicast+0x449/0x710 [ 5679.447531][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.447531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.447531][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.447531][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.447531][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.447531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.447531][ T72] [ 5679.450076][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5679.450076][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.450076][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.450076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.450076][ T72] ip6_route_add+0x1c/0x140 [ 5679.450076][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5679.450076][ T72] addrconf_add_dev+0xe2/0x170 [ 5679.450076][ T72] inet6_addr_add+0x12f/0xa40 [ 5679.450076][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.450076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.450076][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.450076][ T72] netlink_unicast+0x449/0x710 [ 5679.450076][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.450076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.450076][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.450076][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.450076][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.450076][ T72] [ 5679.452728][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5679.452728][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5679.452728][ T72] ipv6_find_idev+0x102/0x170 [ 5679.452728][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.452728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.452728][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.452728][ T72] netlink_unicast+0x449/0x710 [ 5679.452728][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.452728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.452728][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.452728][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.452728][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.452728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.452728][ T72] [ 5679.454284][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5679.454284][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5679.454284][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5679.454284][ T72] ipv6_find_idev+0x102/0x170 [ 5679.454284][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.454284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.454284][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.454284][ T72] netlink_unicast+0x449/0x710 [ 5679.454284][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.454284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.454284][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.454284][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.454284][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.454284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.454284][ T72] [ 5679.456130][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5679.456404][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5679.456404][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5679.456404][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5679.456404][ T72] fib6_nh_init+0xa22/0x1580 [ 5679.456404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.456404][ T72] ip6_route_add+0x1c/0x140 [ 5679.456404][ T72] inet6_rtm_newroute+0x104/0x110 [ 5679.456404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.456404][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.456404][ T72] netlink_unicast+0x449/0x710 [ 5679.456404][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.456404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.456404][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.456404][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.456404][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.456404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.456404][ T72] [ 5679.458607][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5679.458607][ T72] dst_init+0x84/0x4a0 [ 5679.458607][ T72] dst_alloc+0x97/0x150 [ 5679.458607][ T72] ip6_dst_alloc+0x23/0x90 [ 5679.458607][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5679.458607][ T72] ip6_pol_route+0x56f/0x840 [ 5679.458607][ T72] fib6_rule_lookup+0x456/0x630 [ 5679.458607][ T72] ip6_route_input+0x59c/0xa50 [ 5679.458607][ T72] ipv6_rcv+0x397/0x810 [ 5679.458607][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5679.458607][ T72] process_backlog+0x101/0x620 [ 5679.458607][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5679.458607][ T72] net_rx_action+0x495/0xbe0 [ 5679.458607][ T72] __do_softirq+0x1b5/0x7f6 [ 5679.458607][ T72] [ 5679.460435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5679.460435][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.460435][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.460435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.460435][ T72] ip6_route_add+0x1c/0x140 [ 5679.460435][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5679.460435][ T72] inet6_addr_add+0x4f8/0xa40 [ 5679.460435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.460435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.460435][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.460435][ T72] netlink_unicast+0x449/0x710 [ 5679.460435][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.460435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.460435][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.460435][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.460435][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.460435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.460435][ T72] [ 5679.462721][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5679.462721][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.462721][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.462721][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.462721][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5679.462721][ T72] ipv6_add_addr+0x411/0x2000 [ 5679.462721][ T72] inet6_addr_add+0x30e/0xa40 [ 5679.462721][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.462721][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.462721][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.462721][ T72] netlink_unicast+0x449/0x710 [ 5679.462721][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.462721][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.462721][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.462721][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.462721][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.462721][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.462721][ T72] [ 5679.464915][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5679.464915][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.464915][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.464915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.464915][ T72] ip6_route_add+0x1c/0x140 [ 5679.464915][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5679.464915][ T72] addrconf_add_dev+0xe2/0x170 [ 5679.464915][ T72] inet6_addr_add+0x12f/0xa40 [ 5679.464915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.464915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.464915][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.464915][ T72] netlink_unicast+0x449/0x710 [ 5679.464915][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.464915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.464915][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.464915][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.464915][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.464915][ T72] [ 5679.467203][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5679.467203][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5679.467203][ T72] ipv6_find_idev+0x102/0x170 [ 5679.467203][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.467203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.467203][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.467203][ T72] netlink_unicast+0x449/0x710 [ 5679.467203][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.467203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.467203][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.467203][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.467203][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.467203][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.467203][ T72] [ 5679.468936][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5679.468936][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5679.468936][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5679.468936][ T72] ipv6_find_idev+0x102/0x170 [ 5679.468936][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.468936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.468936][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.468936][ T72] netlink_unicast+0x449/0x710 [ 5679.468936][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.468936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.468936][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.468936][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.468936][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.468936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.468936][ T72] [ 5679.470821][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5679.471163][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5679.471163][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.471163][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.471163][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.471163][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5679.471163][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5679.471163][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5679.471163][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5679.471163][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5679.471163][ T72] addrconf_dad_begin+0x310/0x670 [ 5679.471163][ T72] addrconf_dad_work+0x10b/0xab0 [ 5679.471163][ T72] process_one_work+0x84d/0x18a0 [ 5679.471163][ T72] worker_thread+0x587/0xd30 [ 5679.471163][ T72] kthread+0x28a/0x350 [ 5679.471163][ T72] ret_from_fork+0x31/0x70 [ 5679.471163][ T72] ret_from_fork_asm+0x1a/0x30 [ 5679.471163][ T72] [ 5679.473230][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5679.473230][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.473230][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.473230][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.473230][ T72] ip6_route_add+0x1c/0x140 [ 5679.473230][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5679.473230][ T72] inet6_addr_add+0x4f8/0xa40 [ 5679.473230][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.473230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.473230][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.473230][ T72] netlink_unicast+0x449/0x710 [ 5679.473230][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.473230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.473230][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.473230][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.473230][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.473230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.473230][ T72] [ 5679.475482][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5679.475482][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.475482][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.475482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.475482][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5679.475482][ T72] ipv6_add_addr+0x411/0x2000 [ 5679.475482][ T72] inet6_addr_add+0x30e/0xa40 [ 5679.475482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.475482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.475482][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.475482][ T72] netlink_unicast+0x449/0x710 [ 5679.475482][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.475482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.475482][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.475482][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.475482][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.475482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.475482][ T72] [ 5679.477804][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5679.477804][ T72] netdev_get_by_index+0x5e/0x80 [ 5679.477804][ T72] fib6_nh_init+0x3d8/0x1580 [ 5679.477804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5679.477804][ T72] ip6_route_add+0x1c/0x140 [ 5679.477804][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5679.477804][ T72] addrconf_add_dev+0xe2/0x170 [ 5679.477804][ T72] inet6_addr_add+0x12f/0xa40 [ 5679.477804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.477804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.477804][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.477804][ T72] netlink_unicast+0x449/0x710 [ 5679.477804][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.477804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.477804][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.477804][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.477804][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.477804][ T72] [ 5679.480039][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5679.480039][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5679.480039][ T72] ipv6_find_idev+0x102/0x170 [ 5679.480039][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.480039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.480039][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.480039][ T72] netlink_unicast+0x449/0x710 [ 5679.480039][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.480039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.480039][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.480039][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.480039][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.480039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.480039][ T72] [ 5679.481776][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5679.481776][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5679.481776][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5679.481776][ T72] ipv6_find_idev+0x102/0x170 [ 5679.481776][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.481776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.481776][ T72] netlink_rcv_skb+0x130/0x360 [ 5679.481776][ T72] netlink_unicast+0x449/0x710 [ 5679.481776][ T72] netlink_sendmsg+0x723/0xbe0 [ 5679.481776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5679.481776][ T72] ___sys_sendmsg+0xee/0x170 [ 5679.481776][ T72] __sys_sendmsg+0xcd/0x170 [ 5679.481776][ T72] do_syscall_64+0xc6/0x1e0 [ 5679.481776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.481776][ T72] [ 5689.720979][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5689.721552][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5689.721552][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5689.721552][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5689.721552][ T72] fib6_nh_init+0xa22/0x1580 [ 5689.721552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.721552][ T72] ip6_route_add+0x1c/0x140 [ 5689.721552][ T72] inet6_rtm_newroute+0x104/0x110 [ 5689.721552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.721552][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.721552][ T72] netlink_unicast+0x449/0x710 [ 5689.721552][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.721552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.721552][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.721552][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.721552][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.721552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.721552][ T72] [ 5689.723510][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5689.723510][ T72] dst_init+0x84/0x4a0 [ 5689.723510][ T72] dst_alloc+0x97/0x150 [ 5689.723510][ T72] ip6_dst_alloc+0x23/0x90 [ 5689.723510][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5689.723510][ T72] ip6_pol_route+0x56f/0x840 [ 5689.723510][ T72] fib6_rule_lookup+0x456/0x630 [ 5689.723510][ T72] ip6_route_input+0x59c/0xa50 [ 5689.723510][ T72] ipv6_rcv+0x397/0x810 [ 5689.723510][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5689.723510][ T72] process_backlog+0x101/0x620 [ 5689.723510][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5689.723510][ T72] net_rx_action+0x495/0xbe0 [ 5689.723510][ T72] __do_softirq+0x1b5/0x7f6 [ 5689.723510][ T72] [ 5689.725158][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5689.725158][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.725158][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.725158][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.725158][ T72] ip6_route_add+0x1c/0x140 [ 5689.725158][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5689.725158][ T72] inet6_addr_add+0x4f8/0xa40 [ 5689.725158][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.725158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.725158][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.725158][ T72] netlink_unicast+0x449/0x710 [ 5689.725158][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.725158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.725158][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.725158][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.725158][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.725158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.725158][ T72] [ 5689.727158][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5689.727158][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.727158][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.727158][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.727158][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5689.727158][ T72] ipv6_add_addr+0x411/0x2000 [ 5689.727158][ T72] inet6_addr_add+0x30e/0xa40 [ 5689.727158][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.727158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.727158][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.727158][ T72] netlink_unicast+0x449/0x710 [ 5689.727158][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.727158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.727158][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.727158][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.727158][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.727158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.727158][ T72] [ 5689.729156][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5689.729156][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.729156][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.729156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.729156][ T72] ip6_route_add+0x1c/0x140 [ 5689.729156][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5689.729156][ T72] addrconf_add_dev+0xe2/0x170 [ 5689.729156][ T72] inet6_addr_add+0x12f/0xa40 [ 5689.729156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.729156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.729156][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.729156][ T72] netlink_unicast+0x449/0x710 [ 5689.729156][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.729156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.729156][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.729156][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.729156][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.729156][ T72] [ 5689.731126][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5689.731126][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5689.731126][ T72] ipv6_find_idev+0x102/0x170 [ 5689.731126][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.731126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.731126][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.731126][ T72] netlink_unicast+0x449/0x710 [ 5689.731126][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.731126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.731126][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.731126][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.731126][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.731126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.731126][ T72] [ 5689.732698][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5689.732698][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5689.732698][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5689.732698][ T72] ipv6_find_idev+0x102/0x170 [ 5689.732698][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.732698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.732698][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.732698][ T72] netlink_unicast+0x449/0x710 [ 5689.732698][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.732698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.732698][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.732698][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.732698][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.732698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.732698][ T72] [ 5689.734452][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5689.734724][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5689.734724][ T72] dst_init+0x84/0x4a0 [ 5689.734724][ T72] dst_alloc+0x97/0x150 [ 5689.734724][ T72] ip6_dst_alloc+0x23/0x90 [ 5689.734724][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5689.734724][ T72] ip6_pol_route+0x56f/0x840 [ 5689.734724][ T72] fib6_rule_lookup+0x456/0x630 [ 5689.734724][ T72] ip6_route_input+0x59c/0xa50 [ 5689.734724][ T72] ipv6_rcv+0x397/0x810 [ 5689.734724][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5689.734724][ T72] process_backlog+0x101/0x620 [ 5689.734724][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5689.734724][ T72] net_rx_action+0x495/0xbe0 [ 5689.734724][ T72] __do_softirq+0x1b5/0x7f6 [ 5689.734724][ T72] [ 5689.736371][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5689.736371][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.736371][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.736371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.736371][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5689.736371][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5689.736371][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5689.736371][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5689.736371][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5689.736371][ T72] addrconf_dad_begin+0x310/0x670 [ 5689.736371][ T72] addrconf_dad_work+0x10b/0xab0 [ 5689.736371][ T72] process_one_work+0x84d/0x18a0 [ 5689.736371][ T72] worker_thread+0x587/0xd30 [ 5689.736371][ T72] kthread+0x28a/0x350 [ 5689.736371][ T72] ret_from_fork+0x31/0x70 [ 5689.736371][ T72] ret_from_fork_asm+0x1a/0x30 [ 5689.736371][ T72] [ 5689.738293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5689.738293][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.738293][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.738293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.738293][ T72] ip6_route_add+0x1c/0x140 [ 5689.738293][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5689.738293][ T72] inet6_addr_add+0x4f8/0xa40 [ 5689.738293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.738293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.738293][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.738293][ T72] netlink_unicast+0x449/0x710 [ 5689.738293][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.738293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.738293][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.738293][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.738293][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.738293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.738293][ T72] [ 5689.740304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5689.740304][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.740304][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.740304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.740304][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5689.740304][ T72] ipv6_add_addr+0x411/0x2000 [ 5689.740304][ T72] inet6_addr_add+0x30e/0xa40 [ 5689.740304][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.740304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.740304][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.740304][ T72] netlink_unicast+0x449/0x710 [ 5689.740304][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.740304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.740304][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.740304][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.740304][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.740304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.740304][ T72] [ 5689.742344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5689.742344][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.742344][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.742344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.742344][ T72] ip6_route_add+0x1c/0x140 [ 5689.742344][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5689.742344][ T72] addrconf_add_dev+0xe2/0x170 [ 5689.742344][ T72] inet6_addr_add+0x12f/0xa40 [ 5689.742344][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.742344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.742344][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.742344][ T72] netlink_unicast+0x449/0x710 [ 5689.742344][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.742344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.742344][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.742344][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.742344][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.742344][ T72] [ 5689.744316][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5689.744316][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5689.744316][ T72] ipv6_find_idev+0x102/0x170 [ 5689.744316][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.744316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.744316][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.744316][ T72] netlink_unicast+0x449/0x710 [ 5689.744316][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.744316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.744316][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.744316][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.744316][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.744316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.744316][ T72] [ 5689.745865][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5689.745865][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5689.745865][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5689.745865][ T72] ipv6_find_idev+0x102/0x170 [ 5689.745865][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.745865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.745865][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.745865][ T72] netlink_unicast+0x449/0x710 [ 5689.745865][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.745865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.745865][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.745865][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.745865][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.745865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.745865][ T72] [ 5689.747685][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5689.747977][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5689.747977][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5689.747977][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5689.747977][ T72] fib6_nh_init+0xa22/0x1580 [ 5689.747977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.747977][ T72] ip6_route_add+0x1c/0x140 [ 5689.747977][ T72] inet6_rtm_newroute+0x104/0x110 [ 5689.747977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.747977][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.747977][ T72] netlink_unicast+0x449/0x710 [ 5689.747977][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.747977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.747977][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.747977][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.747977][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.747977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.747977][ T72] [ 5689.750175][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5689.750175][ T72] dst_init+0x84/0x4a0 [ 5689.750175][ T72] dst_alloc+0x97/0x150 [ 5689.750175][ T72] ip6_dst_alloc+0x23/0x90 [ 5689.750175][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5689.750175][ T72] ip6_pol_route+0x56f/0x840 [ 5689.750175][ T72] fib6_rule_lookup+0x456/0x630 [ 5689.750175][ T72] ip6_route_input+0x59c/0xa50 [ 5689.750175][ T72] ipv6_rcv+0x397/0x810 [ 5689.750175][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5689.750175][ T72] process_backlog+0x101/0x620 [ 5689.750175][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5689.750175][ T72] net_rx_action+0x495/0xbe0 [ 5689.750175][ T72] __do_softirq+0x1b5/0x7f6 [ 5689.750175][ T72] [ 5689.752008][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5689.752008][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.752008][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.752008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.752008][ T72] ip6_route_add+0x1c/0x140 [ 5689.752008][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5689.752008][ T72] inet6_addr_add+0x4f8/0xa40 [ 5689.752008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.752008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.752008][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.752008][ T72] netlink_unicast+0x449/0x710 [ 5689.752008][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.752008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.752008][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.752008][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.752008][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.752008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.752008][ T72] [ 5689.754265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5689.754265][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.754265][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.754265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.754265][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5689.754265][ T72] ipv6_add_addr+0x411/0x2000 [ 5689.754265][ T72] inet6_addr_add+0x30e/0xa40 [ 5689.754265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.754265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.754265][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.754265][ T72] netlink_unicast+0x449/0x710 [ 5689.754265][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.754265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.754265][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.754265][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.754265][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.754265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.754265][ T72] [ 5689.756460][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5689.756460][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.756460][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.756460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.756460][ T72] ip6_route_add+0x1c/0x140 [ 5689.756460][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5689.756460][ T72] addrconf_add_dev+0xe2/0x170 [ 5689.756460][ T72] inet6_addr_add+0x12f/0xa40 [ 5689.756460][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.756460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.756460][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.756460][ T72] netlink_unicast+0x449/0x710 [ 5689.756460][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.756460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.756460][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.756460][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.756460][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.756460][ T72] [ 5689.758737][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5689.758737][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5689.758737][ T72] ipv6_find_idev+0x102/0x170 [ 5689.758737][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.758737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.758737][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.758737][ T72] netlink_unicast+0x449/0x710 [ 5689.758737][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.758737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.758737][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.758737][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.758737][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.758737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.758737][ T72] [ 5689.760469][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5689.760469][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5689.760469][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5689.760469][ T72] ipv6_find_idev+0x102/0x170 [ 5689.760469][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.760469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.760469][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.760469][ T72] netlink_unicast+0x449/0x710 [ 5689.760469][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.760469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.760469][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.760469][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.760469][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.760469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.760469][ T72] [ 5689.762348][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5689.762693][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5689.762693][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.762693][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.762693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.762693][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5689.762693][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5689.762693][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5689.762693][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5689.762693][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5689.762693][ T72] addrconf_dad_begin+0x310/0x670 [ 5689.762693][ T72] addrconf_dad_work+0x10b/0xab0 [ 5689.762693][ T72] process_one_work+0x84d/0x18a0 [ 5689.762693][ T72] worker_thread+0x587/0xd30 [ 5689.762693][ T72] kthread+0x28a/0x350 [ 5689.762693][ T72] ret_from_fork+0x31/0x70 [ 5689.762693][ T72] ret_from_fork_asm+0x1a/0x30 [ 5689.762693][ T72] [ 5689.764726][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5689.764726][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.764726][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.764726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.764726][ T72] ip6_route_add+0x1c/0x140 [ 5689.764726][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5689.764726][ T72] inet6_addr_add+0x4f8/0xa40 [ 5689.764726][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.764726][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.764726][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.764726][ T72] netlink_unicast+0x449/0x710 [ 5689.764726][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.764726][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.764726][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.764726][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.764726][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.764726][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.764726][ T72] [ 5689.766969][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5689.766969][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.766969][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.766969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.766969][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5689.766969][ T72] ipv6_add_addr+0x411/0x2000 [ 5689.766969][ T72] inet6_addr_add+0x30e/0xa40 [ 5689.766969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.766969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.766969][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.766969][ T72] netlink_unicast+0x449/0x710 [ 5689.766969][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.766969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.766969][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.766969][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.766969][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.766969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.766969][ T72] [ 5689.769290][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5689.769290][ T72] netdev_get_by_index+0x5e/0x80 [ 5689.769290][ T72] fib6_nh_init+0x3d8/0x1580 [ 5689.769290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5689.769290][ T72] ip6_route_add+0x1c/0x140 [ 5689.769290][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5689.769290][ T72] addrconf_add_dev+0xe2/0x170 [ 5689.769290][ T72] inet6_addr_add+0x12f/0xa40 [ 5689.769290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.769290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.769290][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.769290][ T72] netlink_unicast+0x449/0x710 [ 5689.769290][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.769290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.769290][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.769290][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.769290][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.769290][ T72] [ 5689.771504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5689.771504][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5689.771504][ T72] ipv6_find_idev+0x102/0x170 [ 5689.771504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.771504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.771504][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.771504][ T72] netlink_unicast+0x449/0x710 [ 5689.771504][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.771504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.771504][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.771504][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.771504][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.771504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.771504][ T72] [ 5689.773239][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5689.773239][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5689.773239][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5689.773239][ T72] ipv6_find_idev+0x102/0x170 [ 5689.773239][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.773239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.773239][ T72] netlink_rcv_skb+0x130/0x360 [ 5689.773239][ T72] netlink_unicast+0x449/0x710 [ 5689.773239][ T72] netlink_sendmsg+0x723/0xbe0 [ 5689.773239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5689.773239][ T72] ___sys_sendmsg+0xee/0x170 [ 5689.773239][ T72] __sys_sendmsg+0xcd/0x170 [ 5689.773239][ T72] do_syscall_64+0xc6/0x1e0 [ 5689.773239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.773239][ T72] [ 5700.016935][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5700.017436][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5700.017436][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5700.017436][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5700.017436][ T72] fib6_nh_init+0xa22/0x1580 [ 5700.017436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.017436][ T72] ip6_route_add+0x1c/0x140 [ 5700.017436][ T72] inet6_rtm_newroute+0x104/0x110 [ 5700.017436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.017436][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.017436][ T72] netlink_unicast+0x449/0x710 [ 5700.017436][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.017436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.017436][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.017436][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.017436][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.017436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.017436][ T72] [ 5700.019356][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5700.019356][ T72] dst_init+0x84/0x4a0 [ 5700.019356][ T72] dst_alloc+0x97/0x150 [ 5700.019356][ T72] ip6_dst_alloc+0x23/0x90 [ 5700.019356][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5700.019356][ T72] ip6_pol_route+0x56f/0x840 [ 5700.019356][ T72] fib6_rule_lookup+0x456/0x630 [ 5700.019356][ T72] ip6_route_input+0x59c/0xa50 [ 5700.019356][ T72] ipv6_rcv+0x397/0x810 [ 5700.019356][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5700.019356][ T72] process_backlog+0x101/0x620 [ 5700.019356][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5700.019356][ T72] net_rx_action+0x495/0xbe0 [ 5700.019356][ T72] __do_softirq+0x1b5/0x7f6 [ 5700.019356][ T72] [ 5700.021014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5700.021014][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.021014][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.021014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.021014][ T72] ip6_route_add+0x1c/0x140 [ 5700.021014][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5700.021014][ T72] inet6_addr_add+0x4f8/0xa40 [ 5700.021014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.021014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.021014][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.021014][ T72] netlink_unicast+0x449/0x710 [ 5700.021014][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.021014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.021014][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.021014][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.021014][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.021014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.021014][ T72] [ 5700.023043][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5700.023043][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.023043][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.023043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.023043][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5700.023043][ T72] ipv6_add_addr+0x411/0x2000 [ 5700.023043][ T72] inet6_addr_add+0x30e/0xa40 [ 5700.023043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.023043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.023043][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.023043][ T72] netlink_unicast+0x449/0x710 [ 5700.023043][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.023043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.023043][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.023043][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.023043][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.023043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.023043][ T72] [ 5700.025029][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5700.025029][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.025029][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.025029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.025029][ T72] ip6_route_add+0x1c/0x140 [ 5700.025029][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5700.025029][ T72] addrconf_add_dev+0xe2/0x170 [ 5700.025029][ T72] inet6_addr_add+0x12f/0xa40 [ 5700.025029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.025029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.025029][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.025029][ T72] netlink_unicast+0x449/0x710 [ 5700.025029][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.025029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.025029][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.025029][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.025029][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.025029][ T72] [ 5700.026954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5700.026954][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5700.026954][ T72] ipv6_find_idev+0x102/0x170 [ 5700.026954][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.026954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.026954][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.026954][ T72] netlink_unicast+0x449/0x710 [ 5700.026954][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.026954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.026954][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.026954][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.026954][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.026954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.026954][ T72] [ 5700.028512][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5700.028512][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5700.028512][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5700.028512][ T72] ipv6_find_idev+0x102/0x170 [ 5700.028512][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.028512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.028512][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.028512][ T72] netlink_unicast+0x449/0x710 [ 5700.028512][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.028512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.028512][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.028512][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.028512][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.028512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.028512][ T72] [ 5700.030228][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5700.030507][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5700.030507][ T72] dst_init+0x84/0x4a0 [ 5700.030507][ T72] dst_alloc+0x97/0x150 [ 5700.030507][ T72] ip6_dst_alloc+0x23/0x90 [ 5700.030507][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5700.030507][ T72] ip6_pol_route+0x56f/0x840 [ 5700.030507][ T72] fib6_rule_lookup+0x456/0x630 [ 5700.030507][ T72] ip6_route_input+0x59c/0xa50 [ 5700.030507][ T72] ipv6_rcv+0x397/0x810 [ 5700.030507][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5700.030507][ T72] process_backlog+0x101/0x620 [ 5700.030507][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5700.030507][ T72] net_rx_action+0x495/0xbe0 [ 5700.030507][ T72] __do_softirq+0x1b5/0x7f6 [ 5700.030507][ T72] [ 5700.032169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5700.032169][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.032169][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.032169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.032169][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5700.032169][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5700.032169][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5700.032169][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5700.032169][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5700.032169][ T72] addrconf_dad_begin+0x310/0x670 [ 5700.032169][ T72] addrconf_dad_work+0x10b/0xab0 [ 5700.032169][ T72] process_one_work+0x84d/0x18a0 [ 5700.032169][ T72] worker_thread+0x587/0xd30 [ 5700.032169][ T72] kthread+0x28a/0x350 [ 5700.032169][ T72] ret_from_fork+0x31/0x70 [ 5700.032169][ T72] ret_from_fork_asm+0x1a/0x30 [ 5700.032169][ T72] [ 5700.034090][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5700.034090][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.034090][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.034090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.034090][ T72] ip6_route_add+0x1c/0x140 [ 5700.034090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5700.034090][ T72] inet6_addr_add+0x4f8/0xa40 [ 5700.034090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.034090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.034090][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.034090][ T72] netlink_unicast+0x449/0x710 [ 5700.034090][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.034090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.034090][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.034090][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.034090][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.034090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.034090][ T72] [ 5700.036108][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5700.036108][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.036108][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.036108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.036108][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5700.036108][ T72] ipv6_add_addr+0x411/0x2000 [ 5700.036108][ T72] inet6_addr_add+0x30e/0xa40 [ 5700.036108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.036108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.036108][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.036108][ T72] netlink_unicast+0x449/0x710 [ 5700.036108][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.036108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.036108][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.036108][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.036108][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.036108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.036108][ T72] [ 5700.038108][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5700.038108][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.038108][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.038108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.038108][ T72] ip6_route_add+0x1c/0x140 [ 5700.038108][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5700.038108][ T72] addrconf_add_dev+0xe2/0x170 [ 5700.038108][ T72] inet6_addr_add+0x12f/0xa40 [ 5700.038108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.038108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.038108][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.038108][ T72] netlink_unicast+0x449/0x710 [ 5700.038108][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.038108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.038108][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.038108][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.038108][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.038108][ T72] [ 5700.040074][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5700.040074][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5700.040074][ T72] ipv6_find_idev+0x102/0x170 [ 5700.040074][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.040074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.040074][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.040074][ T72] netlink_unicast+0x449/0x710 [ 5700.040074][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.040074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.040074][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.040074][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.040074][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.040074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.040074][ T72] [ 5700.041616][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5700.041616][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5700.041616][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5700.041616][ T72] ipv6_find_idev+0x102/0x170 [ 5700.041616][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.041616][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.041616][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.041616][ T72] netlink_unicast+0x449/0x710 [ 5700.041616][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.041616][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.041616][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.041616][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.041616][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.041616][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.041616][ T72] [ 5700.043430][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5700.043698][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5700.043698][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5700.043698][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5700.043698][ T72] fib6_nh_init+0xa22/0x1580 [ 5700.043698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.043698][ T72] ip6_route_add+0x1c/0x140 [ 5700.043698][ T72] inet6_rtm_newroute+0x104/0x110 [ 5700.043698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.043698][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.043698][ T72] netlink_unicast+0x449/0x710 [ 5700.043698][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.043698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.043698][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.043698][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.043698][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.043698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.043698][ T72] [ 5700.045864][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5700.045864][ T72] dst_init+0x84/0x4a0 [ 5700.045864][ T72] dst_alloc+0x97/0x150 [ 5700.045864][ T72] ip6_dst_alloc+0x23/0x90 [ 5700.045864][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5700.045864][ T72] ip6_pol_route+0x56f/0x840 [ 5700.045864][ T72] fib6_rule_lookup+0x456/0x630 [ 5700.045864][ T72] ip6_route_input+0x59c/0xa50 [ 5700.045864][ T72] ipv6_rcv+0x397/0x810 [ 5700.045864][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5700.045864][ T72] process_backlog+0x101/0x620 [ 5700.045864][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5700.045864][ T72] net_rx_action+0x495/0xbe0 [ 5700.045864][ T72] __do_softirq+0x1b5/0x7f6 [ 5700.045864][ T72] [ 5700.047700][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5700.047700][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.047700][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.047700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.047700][ T72] ip6_route_add+0x1c/0x140 [ 5700.047700][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5700.047700][ T72] inet6_addr_add+0x4f8/0xa40 [ 5700.047700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.047700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.047700][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.047700][ T72] netlink_unicast+0x449/0x710 [ 5700.047700][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.047700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.047700][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.047700][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.047700][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.047700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.047700][ T72] [ 5700.049946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5700.049946][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.049946][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.049946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.049946][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5700.049946][ T72] ipv6_add_addr+0x411/0x2000 [ 5700.049946][ T72] inet6_addr_add+0x30e/0xa40 [ 5700.049946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.049946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.049946][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.049946][ T72] netlink_unicast+0x449/0x710 [ 5700.049946][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.049946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.049946][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.049946][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.049946][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.049946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.049946][ T72] [ 5700.052139][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5700.052139][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.052139][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.052139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.052139][ T72] ip6_route_add+0x1c/0x140 [ 5700.052139][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5700.052139][ T72] addrconf_add_dev+0xe2/0x170 [ 5700.052139][ T72] inet6_addr_add+0x12f/0xa40 [ 5700.052139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.052139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.052139][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.052139][ T72] netlink_unicast+0x449/0x710 [ 5700.052139][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.052139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.052139][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.052139][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.052139][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.052139][ T72] [ 5700.054412][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5700.054412][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5700.054412][ T72] ipv6_find_idev+0x102/0x170 [ 5700.054412][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.054412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.054412][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.054412][ T72] netlink_unicast+0x449/0x710 [ 5700.054412][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.054412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.054412][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.054412][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.054412][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.054412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.054412][ T72] [ 5700.056140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5700.056140][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5700.056140][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5700.056140][ T72] ipv6_find_idev+0x102/0x170 [ 5700.056140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.056140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.056140][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.056140][ T72] netlink_unicast+0x449/0x710 [ 5700.056140][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.056140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.056140][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.056140][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.056140][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.056140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.056140][ T72] [ 5700.058027][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5700.058367][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5700.058367][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.058367][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.058367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.058367][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5700.058367][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5700.058367][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5700.058367][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5700.058367][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5700.058367][ T72] addrconf_dad_begin+0x310/0x670 [ 5700.058367][ T72] addrconf_dad_work+0x10b/0xab0 [ 5700.058367][ T72] process_one_work+0x84d/0x18a0 [ 5700.058367][ T72] worker_thread+0x587/0xd30 [ 5700.058367][ T72] kthread+0x28a/0x350 [ 5700.058367][ T72] ret_from_fork+0x31/0x70 [ 5700.058367][ T72] ret_from_fork_asm+0x1a/0x30 [ 5700.058367][ T72] [ 5700.060409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5700.060409][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.060409][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.060409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.060409][ T72] ip6_route_add+0x1c/0x140 [ 5700.060409][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5700.060409][ T72] inet6_addr_add+0x4f8/0xa40 [ 5700.060409][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.060409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.060409][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.060409][ T72] netlink_unicast+0x449/0x710 [ 5700.060409][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.060409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.060409][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.060409][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.060409][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.060409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.060409][ T72] [ 5700.062684][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5700.062684][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.062684][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.062684][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.062684][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5700.062684][ T72] ipv6_add_addr+0x411/0x2000 [ 5700.062684][ T72] inet6_addr_add+0x30e/0xa40 [ 5700.062684][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.062684][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.062684][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.062684][ T72] netlink_unicast+0x449/0x710 [ 5700.062684][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.062684][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.062684][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.062684][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.062684][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.062684][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.062684][ T72] [ 5700.065022][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5700.065022][ T72] netdev_get_by_index+0x5e/0x80 [ 5700.065022][ T72] fib6_nh_init+0x3d8/0x1580 [ 5700.065022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5700.065022][ T72] ip6_route_add+0x1c/0x140 [ 5700.065022][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5700.065022][ T72] addrconf_add_dev+0xe2/0x170 [ 5700.065022][ T72] inet6_addr_add+0x12f/0xa40 [ 5700.065022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.065022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.065022][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.065022][ T72] netlink_unicast+0x449/0x710 [ 5700.065022][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.065022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.065022][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.065022][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.065022][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.065022][ T72] [ 5700.067244][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5700.067244][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5700.067244][ T72] ipv6_find_idev+0x102/0x170 [ 5700.067244][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.067244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.067244][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.067244][ T72] netlink_unicast+0x449/0x710 [ 5700.067244][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.067244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.067244][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.067244][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.067244][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.067244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.067244][ T72] [ 5700.068975][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5700.068975][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5700.068975][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5700.068975][ T72] ipv6_find_idev+0x102/0x170 [ 5700.068975][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.068975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.068975][ T72] netlink_rcv_skb+0x130/0x360 [ 5700.068975][ T72] netlink_unicast+0x449/0x710 [ 5700.068975][ T72] netlink_sendmsg+0x723/0xbe0 [ 5700.068975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5700.068975][ T72] ___sys_sendmsg+0xee/0x170 [ 5700.068975][ T72] __sys_sendmsg+0xcd/0x170 [ 5700.068975][ T72] do_syscall_64+0xc6/0x1e0 [ 5700.068975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.068975][ T72] [ 5710.313005][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5710.313527][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5710.313527][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5710.313527][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5710.313527][ T72] fib6_nh_init+0xa22/0x1580 [ 5710.313527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.313527][ T72] ip6_route_add+0x1c/0x140 [ 5710.313527][ T72] inet6_rtm_newroute+0x104/0x110 [ 5710.313527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.313527][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.313527][ T72] netlink_unicast+0x449/0x710 [ 5710.313527][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.313527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.313527][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.313527][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.313527][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.313527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.313527][ T72] [ 5710.315445][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5710.315445][ T72] dst_init+0x84/0x4a0 [ 5710.315445][ T72] dst_alloc+0x97/0x150 [ 5710.315445][ T72] ip6_dst_alloc+0x23/0x90 [ 5710.315445][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5710.315445][ T72] ip6_pol_route+0x56f/0x840 [ 5710.315445][ T72] fib6_rule_lookup+0x456/0x630 [ 5710.315445][ T72] ip6_route_input+0x59c/0xa50 [ 5710.315445][ T72] ipv6_rcv+0x397/0x810 [ 5710.315445][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5710.315445][ T72] process_backlog+0x101/0x620 [ 5710.315445][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5710.315445][ T72] net_rx_action+0x495/0xbe0 [ 5710.315445][ T72] __do_softirq+0x1b5/0x7f6 [ 5710.315445][ T72] [ 5710.317095][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5710.317095][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.317095][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.317095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.317095][ T72] ip6_route_add+0x1c/0x140 [ 5710.317095][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5710.317095][ T72] inet6_addr_add+0x4f8/0xa40 [ 5710.317095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.317095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.317095][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.317095][ T72] netlink_unicast+0x449/0x710 [ 5710.317095][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.317095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.317095][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.317095][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.317095][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.317095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.317095][ T72] [ 5710.319109][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5710.319109][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.319109][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.319109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.319109][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5710.319109][ T72] ipv6_add_addr+0x411/0x2000 [ 5710.319109][ T72] inet6_addr_add+0x30e/0xa40 [ 5710.319109][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.319109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.319109][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.319109][ T72] netlink_unicast+0x449/0x710 [ 5710.319109][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.319109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.319109][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.319109][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.319109][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.319109][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.319109][ T72] [ 5710.321118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5710.321118][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.321118][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.321118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.321118][ T72] ip6_route_add+0x1c/0x140 [ 5710.321118][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5710.321118][ T72] addrconf_add_dev+0xe2/0x170 [ 5710.321118][ T72] inet6_addr_add+0x12f/0xa40 [ 5710.321118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.321118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.321118][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.321118][ T72] netlink_unicast+0x449/0x710 [ 5710.321118][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.321118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.321118][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.321118][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.321118][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.321118][ T72] [ 5710.323104][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5710.323104][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5710.323104][ T72] ipv6_find_idev+0x102/0x170 [ 5710.323104][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.323104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.323104][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.323104][ T72] netlink_unicast+0x449/0x710 [ 5710.323104][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.323104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.323104][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.323104][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.323104][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.323104][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.323104][ T72] [ 5710.324656][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5710.324656][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5710.324656][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5710.324656][ T72] ipv6_find_idev+0x102/0x170 [ 5710.324656][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.324656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.324656][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.324656][ T72] netlink_unicast+0x449/0x710 [ 5710.324656][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.324656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.324656][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.324656][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.324656][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.324656][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.324656][ T72] [ 5710.326375][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5710.326649][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5710.326649][ T72] dst_init+0x84/0x4a0 [ 5710.326649][ T72] dst_alloc+0x97/0x150 [ 5710.326649][ T72] ip6_dst_alloc+0x23/0x90 [ 5710.326649][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5710.326649][ T72] ip6_pol_route+0x56f/0x840 [ 5710.326649][ T72] fib6_rule_lookup+0x456/0x630 [ 5710.326649][ T72] ip6_route_input+0x59c/0xa50 [ 5710.326649][ T72] ipv6_rcv+0x397/0x810 [ 5710.326649][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5710.326649][ T72] process_backlog+0x101/0x620 [ 5710.326649][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5710.326649][ T72] net_rx_action+0x495/0xbe0 [ 5710.326649][ T72] __do_softirq+0x1b5/0x7f6 [ 5710.326649][ T72] [ 5710.328320][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5710.328320][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.328320][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.328320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.328320][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5710.328320][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5710.328320][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5710.328320][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5710.328320][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5710.328320][ T72] addrconf_dad_begin+0x310/0x670 [ 5710.328320][ T72] addrconf_dad_work+0x10b/0xab0 [ 5710.328320][ T72] process_one_work+0x84d/0x18a0 [ 5710.328320][ T72] worker_thread+0x587/0xd30 [ 5710.328320][ T72] kthread+0x28a/0x350 [ 5710.328320][ T72] ret_from_fork+0x31/0x70 [ 5710.328320][ T72] ret_from_fork_asm+0x1a/0x30 [ 5710.328320][ T72] [ 5710.330240][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5710.330240][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.330240][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.330240][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.330240][ T72] ip6_route_add+0x1c/0x140 [ 5710.330240][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5710.330240][ T72] inet6_addr_add+0x4f8/0xa40 [ 5710.330240][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.330240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.330240][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.330240][ T72] netlink_unicast+0x449/0x710 [ 5710.330240][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.330240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.330240][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.330240][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.330240][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.330240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.330240][ T72] [ 5710.332258][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5710.332258][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.332258][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.332258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.332258][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5710.332258][ T72] ipv6_add_addr+0x411/0x2000 [ 5710.332258][ T72] inet6_addr_add+0x30e/0xa40 [ 5710.332258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.332258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.332258][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.332258][ T72] netlink_unicast+0x449/0x710 [ 5710.332258][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.332258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.332258][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.332258][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.332258][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.332258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.332258][ T72] [ 5710.334271][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5710.334271][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.334271][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.334271][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.334271][ T72] ip6_route_add+0x1c/0x140 [ 5710.334271][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5710.334271][ T72] addrconf_add_dev+0xe2/0x170 [ 5710.334271][ T72] inet6_addr_add+0x12f/0xa40 [ 5710.334271][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.334271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.334271][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.334271][ T72] netlink_unicast+0x449/0x710 [ 5710.334271][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.334271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.334271][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.334271][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.334271][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.334271][ T72] [ 5710.336251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5710.336251][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5710.336251][ T72] ipv6_find_idev+0x102/0x170 [ 5710.336251][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.336251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.336251][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.336251][ T72] netlink_unicast+0x449/0x710 [ 5710.336251][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.336251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.336251][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.336251][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.336251][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.336251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.336251][ T72] [ 5710.337804][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5710.337804][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5710.337804][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5710.337804][ T72] ipv6_find_idev+0x102/0x170 [ 5710.337804][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.337804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.337804][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.337804][ T72] netlink_unicast+0x449/0x710 [ 5710.337804][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.337804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.337804][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.337804][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.337804][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.337804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.337804][ T72] [ 5710.339636][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5710.339938][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5710.339938][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5710.339938][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5710.339938][ T72] fib6_nh_init+0xa22/0x1580 [ 5710.339938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.339938][ T72] ip6_route_add+0x1c/0x140 [ 5710.339938][ T72] inet6_rtm_newroute+0x104/0x110 [ 5710.339938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.339938][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.339938][ T72] netlink_unicast+0x449/0x710 [ 5710.339938][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.339938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.339938][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.339938][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.339938][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.339938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.339938][ T72] [ 5710.342137][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5710.342137][ T72] dst_init+0x84/0x4a0 [ 5710.342137][ T72] dst_alloc+0x97/0x150 [ 5710.342137][ T72] ip6_dst_alloc+0x23/0x90 [ 5710.342137][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5710.342137][ T72] ip6_pol_route+0x56f/0x840 [ 5710.342137][ T72] fib6_rule_lookup+0x456/0x630 [ 5710.342137][ T72] ip6_route_input+0x59c/0xa50 [ 5710.342137][ T72] ipv6_rcv+0x397/0x810 [ 5710.342137][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5710.342137][ T72] process_backlog+0x101/0x620 [ 5710.342137][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5710.342137][ T72] net_rx_action+0x495/0xbe0 [ 5710.342137][ T72] __do_softirq+0x1b5/0x7f6 [ 5710.342137][ T72] [ 5710.343984][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5710.343984][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.343984][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.343984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.343984][ T72] ip6_route_add+0x1c/0x140 [ 5710.343984][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5710.343984][ T72] inet6_addr_add+0x4f8/0xa40 [ 5710.343984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.343984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.343984][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.343984][ T72] netlink_unicast+0x449/0x710 [ 5710.343984][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.343984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.343984][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.343984][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.343984][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.343984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.343984][ T72] [ 5710.346229][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5710.346229][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.346229][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.346229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.346229][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5710.346229][ T72] ipv6_add_addr+0x411/0x2000 [ 5710.346229][ T72] inet6_addr_add+0x30e/0xa40 [ 5710.346229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.346229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.346229][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.346229][ T72] netlink_unicast+0x449/0x710 [ 5710.346229][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.346229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.346229][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.346229][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.346229][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.346229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.346229][ T72] [ 5710.348414][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5710.348414][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.348414][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.348414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.348414][ T72] ip6_route_add+0x1c/0x140 [ 5710.348414][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5710.348414][ T72] addrconf_add_dev+0xe2/0x170 [ 5710.348414][ T72] inet6_addr_add+0x12f/0xa40 [ 5710.348414][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.348414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.348414][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.348414][ T72] netlink_unicast+0x449/0x710 [ 5710.348414][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.348414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.348414][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.348414][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.348414][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.348414][ T72] [ 5710.350692][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5710.350692][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5710.350692][ T72] ipv6_find_idev+0x102/0x170 [ 5710.350692][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.350692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.350692][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.350692][ T72] netlink_unicast+0x449/0x710 [ 5710.350692][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.350692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.350692][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.350692][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.350692][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.350692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.350692][ T72] [ 5710.352424][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5710.352424][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5710.352424][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5710.352424][ T72] ipv6_find_idev+0x102/0x170 [ 5710.352424][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.352424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.352424][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.352424][ T72] netlink_unicast+0x449/0x710 [ 5710.352424][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.352424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.352424][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.352424][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.352424][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.352424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.352424][ T72] [ 5710.354317][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5710.354665][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5710.354665][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.354665][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.354665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.354665][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5710.354665][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5710.354665][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5710.354665][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5710.354665][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5710.354665][ T72] addrconf_dad_begin+0x310/0x670 [ 5710.354665][ T72] addrconf_dad_work+0x10b/0xab0 [ 5710.354665][ T72] process_one_work+0x84d/0x18a0 [ 5710.354665][ T72] worker_thread+0x587/0xd30 [ 5710.354665][ T72] kthread+0x28a/0x350 [ 5710.354665][ T72] ret_from_fork+0x31/0x70 [ 5710.354665][ T72] ret_from_fork_asm+0x1a/0x30 [ 5710.354665][ T72] [ 5710.356713][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5710.356713][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.356713][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.356713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.356713][ T72] ip6_route_add+0x1c/0x140 [ 5710.356713][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5710.356713][ T72] inet6_addr_add+0x4f8/0xa40 [ 5710.356713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.356713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.356713][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.356713][ T72] netlink_unicast+0x449/0x710 [ 5710.356713][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.356713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.356713][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.356713][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.356713][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.356713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.356713][ T72] [ 5710.358960][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5710.358960][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.358960][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.358960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.358960][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5710.358960][ T72] ipv6_add_addr+0x411/0x2000 [ 5710.358960][ T72] inet6_addr_add+0x30e/0xa40 [ 5710.358960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.358960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.358960][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.358960][ T72] netlink_unicast+0x449/0x710 [ 5710.358960][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.358960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.358960][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.358960][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.358960][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.358960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.358960][ T72] [ 5710.361282][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5710.361282][ T72] netdev_get_by_index+0x5e/0x80 [ 5710.361282][ T72] fib6_nh_init+0x3d8/0x1580 [ 5710.361282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5710.361282][ T72] ip6_route_add+0x1c/0x140 [ 5710.361282][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5710.361282][ T72] addrconf_add_dev+0xe2/0x170 [ 5710.361282][ T72] inet6_addr_add+0x12f/0xa40 [ 5710.361282][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.361282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.361282][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.361282][ T72] netlink_unicast+0x449/0x710 [ 5710.361282][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.361282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.361282][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.361282][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.361282][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.361282][ T72] [ 5710.363508][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5710.363508][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5710.363508][ T72] ipv6_find_idev+0x102/0x170 [ 5710.363508][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.363508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.363508][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.363508][ T72] netlink_unicast+0x449/0x710 [ 5710.363508][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.363508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.363508][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.363508][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.363508][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.363508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.363508][ T72] [ 5710.365240][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5710.365240][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5710.365240][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5710.365240][ T72] ipv6_find_idev+0x102/0x170 [ 5710.365240][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.365240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.365240][ T72] netlink_rcv_skb+0x130/0x360 [ 5710.365240][ T72] netlink_unicast+0x449/0x710 [ 5710.365240][ T72] netlink_sendmsg+0x723/0xbe0 [ 5710.365240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5710.365240][ T72] ___sys_sendmsg+0xee/0x170 [ 5710.365240][ T72] __sys_sendmsg+0xcd/0x170 [ 5710.365240][ T72] do_syscall_64+0xc6/0x1e0 [ 5710.365240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.365240][ T72] [ 5720.608918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5720.609481][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5720.609481][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5720.609481][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5720.609481][ T72] fib6_nh_init+0xa22/0x1580 [ 5720.609481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.609481][ T72] ip6_route_add+0x1c/0x140 [ 5720.609481][ T72] inet6_rtm_newroute+0x104/0x110 [ 5720.609481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.609481][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.609481][ T72] netlink_unicast+0x449/0x710 [ 5720.609481][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.609481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.609481][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.609481][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.609481][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.609481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.609481][ T72] [ 5720.611400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5720.611400][ T72] dst_init+0x84/0x4a0 [ 5720.611400][ T72] dst_alloc+0x97/0x150 [ 5720.611400][ T72] ip6_dst_alloc+0x23/0x90 [ 5720.611400][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5720.611400][ T72] ip6_pol_route+0x56f/0x840 [ 5720.611400][ T72] fib6_rule_lookup+0x456/0x630 [ 5720.611400][ T72] ip6_route_input+0x59c/0xa50 [ 5720.611400][ T72] ipv6_rcv+0x397/0x810 [ 5720.611400][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5720.611400][ T72] process_backlog+0x101/0x620 [ 5720.611400][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5720.611400][ T72] net_rx_action+0x495/0xbe0 [ 5720.611400][ T72] __do_softirq+0x1b5/0x7f6 [ 5720.611400][ T72] [ 5720.613069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5720.613069][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.613069][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.613069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.613069][ T72] ip6_route_add+0x1c/0x140 [ 5720.613069][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5720.613069][ T72] inet6_addr_add+0x4f8/0xa40 [ 5720.613069][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.613069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.613069][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.613069][ T72] netlink_unicast+0x449/0x710 [ 5720.613069][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.613069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.613069][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.613069][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.613069][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.613069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.613069][ T72] [ 5720.615080][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5720.615080][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.615080][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.615080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.615080][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5720.615080][ T72] ipv6_add_addr+0x411/0x2000 [ 5720.615080][ T72] inet6_addr_add+0x30e/0xa40 [ 5720.615080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.615080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.615080][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.615080][ T72] netlink_unicast+0x449/0x710 [ 5720.615080][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.615080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.615080][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.615080][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.615080][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.615080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.615080][ T72] [ 5720.617115][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5720.617115][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.617115][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.617115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.617115][ T72] ip6_route_add+0x1c/0x140 [ 5720.617115][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5720.617115][ T72] addrconf_add_dev+0xe2/0x170 [ 5720.617115][ T72] inet6_addr_add+0x12f/0xa40 [ 5720.617115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.617115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.617115][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.617115][ T72] netlink_unicast+0x449/0x710 [ 5720.617115][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.617115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.617115][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.617115][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.617115][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.617115][ T72] [ 5720.619090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5720.619090][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5720.619090][ T72] ipv6_find_idev+0x102/0x170 [ 5720.619090][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.619090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.619090][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.619090][ T72] netlink_unicast+0x449/0x710 [ 5720.619090][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.619090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.619090][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.619090][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.619090][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.619090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.619090][ T72] [ 5720.620640][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5720.620640][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5720.620640][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5720.620640][ T72] ipv6_find_idev+0x102/0x170 [ 5720.620640][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.620640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.620640][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.620640][ T72] netlink_unicast+0x449/0x710 [ 5720.620640][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.620640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.620640][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.620640][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.620640][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.620640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.620640][ T72] [ 5720.622382][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5720.622658][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5720.622658][ T72] dst_init+0x84/0x4a0 [ 5720.622658][ T72] dst_alloc+0x97/0x150 [ 5720.622658][ T72] ip6_dst_alloc+0x23/0x90 [ 5720.622658][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5720.622658][ T72] ip6_pol_route+0x56f/0x840 [ 5720.622658][ T72] fib6_rule_lookup+0x456/0x630 [ 5720.622658][ T72] ip6_route_input+0x59c/0xa50 [ 5720.622658][ T72] ipv6_rcv+0x397/0x810 [ 5720.622658][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5720.622658][ T72] process_backlog+0x101/0x620 [ 5720.622658][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5720.622658][ T72] net_rx_action+0x495/0xbe0 [ 5720.622658][ T72] __do_softirq+0x1b5/0x7f6 [ 5720.622658][ T72] [ 5720.624311][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5720.624311][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.624311][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.624311][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.624311][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5720.624311][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5720.624311][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5720.624311][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5720.624311][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5720.624311][ T72] addrconf_dad_begin+0x310/0x670 [ 5720.624311][ T72] addrconf_dad_work+0x10b/0xab0 [ 5720.624311][ T72] process_one_work+0x84d/0x18a0 [ 5720.624311][ T72] worker_thread+0x587/0xd30 [ 5720.624311][ T72] kthread+0x28a/0x350 [ 5720.624311][ T72] ret_from_fork+0x31/0x70 [ 5720.624311][ T72] ret_from_fork_asm+0x1a/0x30 [ 5720.624311][ T72] [ 5720.626236][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5720.626236][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.626236][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.626236][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.626236][ T72] ip6_route_add+0x1c/0x140 [ 5720.626236][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5720.626236][ T72] inet6_addr_add+0x4f8/0xa40 [ 5720.626236][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.626236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.626236][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.626236][ T72] netlink_unicast+0x449/0x710 [ 5720.626236][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.626236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.626236][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.626236][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.626236][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.626236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.626236][ T72] [ 5720.628255][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5720.628255][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.628255][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.628255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.628255][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5720.628255][ T72] ipv6_add_addr+0x411/0x2000 [ 5720.628255][ T72] inet6_addr_add+0x30e/0xa40 [ 5720.628255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.628255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.628255][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.628255][ T72] netlink_unicast+0x449/0x710 [ 5720.628255][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.628255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.628255][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.628255][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.628255][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.628255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.628255][ T72] [ 5720.630532][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5720.630532][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.630532][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.630532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.630532][ T72] ip6_route_add+0x1c/0x140 [ 5720.630532][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5720.630532][ T72] addrconf_add_dev+0xe2/0x170 [ 5720.630532][ T72] inet6_addr_add+0x12f/0xa40 [ 5720.630532][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.630532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.630532][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.630532][ T72] netlink_unicast+0x449/0x710 [ 5720.630532][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.630532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.630532][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.630532][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.630532][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.630532][ T72] [ 5720.632932][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5720.632932][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5720.632932][ T72] ipv6_find_idev+0x102/0x170 [ 5720.632932][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.632932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.632932][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.632932][ T72] netlink_unicast+0x449/0x710 [ 5720.632932][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.632932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.632932][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.632932][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.632932][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.632932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.632932][ T72] [ 5720.634797][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5720.634797][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5720.634797][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5720.634797][ T72] ipv6_find_idev+0x102/0x170 [ 5720.634797][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.634797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.634797][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.634797][ T72] netlink_unicast+0x449/0x710 [ 5720.634797][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.634797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.634797][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.634797][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.634797][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.634797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.634797][ T72] [ 5720.636968][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5720.637301][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5720.637301][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5720.637301][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5720.637301][ T72] fib6_nh_init+0xa22/0x1580 [ 5720.637301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.637301][ T72] ip6_route_add+0x1c/0x140 [ 5720.637301][ T72] inet6_rtm_newroute+0x104/0x110 [ 5720.637301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.637301][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.637301][ T72] netlink_unicast+0x449/0x710 [ 5720.637301][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.637301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.637301][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.637301][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.637301][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.637301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.637301][ T72] [ 5720.639733][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5720.639733][ T72] dst_init+0x84/0x4a0 [ 5720.639733][ T72] dst_alloc+0x97/0x150 [ 5720.639733][ T72] ip6_dst_alloc+0x23/0x90 [ 5720.639733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5720.639733][ T72] ip6_pol_route+0x56f/0x840 [ 5720.639733][ T72] fib6_rule_lookup+0x456/0x630 [ 5720.639733][ T72] ip6_route_input+0x59c/0xa50 [ 5720.639733][ T72] ipv6_rcv+0x397/0x810 [ 5720.639733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5720.639733][ T72] process_backlog+0x101/0x620 [ 5720.639733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5720.639733][ T72] net_rx_action+0x495/0xbe0 [ 5720.639733][ T72] __do_softirq+0x1b5/0x7f6 [ 5720.639733][ T72] [ 5720.641567][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5720.641567][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.641567][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.641567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.641567][ T72] ip6_route_add+0x1c/0x140 [ 5720.641567][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5720.641567][ T72] inet6_addr_add+0x4f8/0xa40 [ 5720.641567][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.641567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.641567][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.641567][ T72] netlink_unicast+0x449/0x710 [ 5720.641567][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.641567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.641567][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.641567][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.641567][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.641567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.641567][ T72] [ 5720.643819][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5720.643819][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.643819][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.643819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.643819][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5720.643819][ T72] ipv6_add_addr+0x411/0x2000 [ 5720.643819][ T72] inet6_addr_add+0x30e/0xa40 [ 5720.643819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.643819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.643819][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.643819][ T72] netlink_unicast+0x449/0x710 [ 5720.643819][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.643819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.643819][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.643819][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.643819][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.643819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.643819][ T72] [ 5720.646006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5720.646006][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.646006][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.646006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.646006][ T72] ip6_route_add+0x1c/0x140 [ 5720.646006][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5720.646006][ T72] addrconf_add_dev+0xe2/0x170 [ 5720.646006][ T72] inet6_addr_add+0x12f/0xa40 [ 5720.646006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.646006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.646006][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.646006][ T72] netlink_unicast+0x449/0x710 [ 5720.646006][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.646006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.646006][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.646006][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.646006][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.646006][ T72] [ 5720.648290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5720.648290][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5720.648290][ T72] ipv6_find_idev+0x102/0x170 [ 5720.648290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.648290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.648290][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.648290][ T72] netlink_unicast+0x449/0x710 [ 5720.648290][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.648290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.648290][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.648290][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.648290][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.648290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.648290][ T72] [ 5720.650028][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5720.650028][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5720.650028][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5720.650028][ T72] ipv6_find_idev+0x102/0x170 [ 5720.650028][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.650028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.650028][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.650028][ T72] netlink_unicast+0x449/0x710 [ 5720.650028][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.650028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.650028][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.650028][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.650028][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.650028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.650028][ T72] [ 5720.651931][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5720.652273][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5720.652273][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.652273][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.652273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.652273][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5720.652273][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5720.652273][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5720.652273][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5720.652273][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5720.652273][ T72] addrconf_dad_begin+0x310/0x670 [ 5720.652273][ T72] addrconf_dad_work+0x10b/0xab0 [ 5720.652273][ T72] process_one_work+0x84d/0x18a0 [ 5720.652273][ T72] worker_thread+0x587/0xd30 [ 5720.652273][ T72] kthread+0x28a/0x350 [ 5720.652273][ T72] ret_from_fork+0x31/0x70 [ 5720.652273][ T72] ret_from_fork_asm+0x1a/0x30 [ 5720.652273][ T72] [ 5720.654388][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5720.654388][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.654388][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.654388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.654388][ T72] ip6_route_add+0x1c/0x140 [ 5720.654388][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5720.654388][ T72] inet6_addr_add+0x4f8/0xa40 [ 5720.654388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.654388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.654388][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.654388][ T72] netlink_unicast+0x449/0x710 [ 5720.654388][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.654388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.654388][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.654388][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.654388][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.654388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.654388][ T72] [ 5720.656637][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5720.656637][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.656637][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.656637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.656637][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5720.656637][ T72] ipv6_add_addr+0x411/0x2000 [ 5720.656637][ T72] inet6_addr_add+0x30e/0xa40 [ 5720.656637][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.656637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.656637][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.656637][ T72] netlink_unicast+0x449/0x710 [ 5720.656637][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.656637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.656637][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.656637][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.656637][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.656637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.656637][ T72] [ 5720.658942][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5720.658942][ T72] netdev_get_by_index+0x5e/0x80 [ 5720.658942][ T72] fib6_nh_init+0x3d8/0x1580 [ 5720.658942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5720.658942][ T72] ip6_route_add+0x1c/0x140 [ 5720.658942][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5720.658942][ T72] addrconf_add_dev+0xe2/0x170 [ 5720.658942][ T72] inet6_addr_add+0x12f/0xa40 [ 5720.658942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.658942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.658942][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.658942][ T72] netlink_unicast+0x449/0x710 [ 5720.658942][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.658942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.658942][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.658942][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.658942][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.658942][ T72] [ 5720.661159][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5720.661159][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5720.661159][ T72] ipv6_find_idev+0x102/0x170 [ 5720.661159][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.661159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.661159][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.661159][ T72] netlink_unicast+0x449/0x710 [ 5720.661159][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.661159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.661159][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.661159][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.661159][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.661159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.661159][ T72] [ 5720.662890][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5720.662890][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5720.662890][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5720.662890][ T72] ipv6_find_idev+0x102/0x170 [ 5720.662890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.662890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.662890][ T72] netlink_rcv_skb+0x130/0x360 [ 5720.662890][ T72] netlink_unicast+0x449/0x710 [ 5720.662890][ T72] netlink_sendmsg+0x723/0xbe0 [ 5720.662890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5720.662890][ T72] ___sys_sendmsg+0xee/0x170 [ 5720.662890][ T72] __sys_sendmsg+0xcd/0x170 [ 5720.662890][ T72] do_syscall_64+0xc6/0x1e0 [ 5720.662890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.662890][ T72] [ 5730.904956][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5730.905437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5730.905437][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5730.905437][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5730.905437][ T72] fib6_nh_init+0xa22/0x1580 [ 5730.905437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.905437][ T72] ip6_route_add+0x1c/0x140 [ 5730.905437][ T72] inet6_rtm_newroute+0x104/0x110 [ 5730.905437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.905437][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.905437][ T72] netlink_unicast+0x449/0x710 [ 5730.905437][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.905437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.905437][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.905437][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.905437][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.905437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.905437][ T72] [ 5730.907336][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5730.907336][ T72] dst_init+0x84/0x4a0 [ 5730.907336][ T72] dst_alloc+0x97/0x150 [ 5730.907336][ T72] ip6_dst_alloc+0x23/0x90 [ 5730.907336][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5730.907336][ T72] ip6_pol_route+0x56f/0x840 [ 5730.907336][ T72] fib6_rule_lookup+0x456/0x630 [ 5730.907336][ T72] ip6_route_input+0x59c/0xa50 [ 5730.907336][ T72] ipv6_rcv+0x397/0x810 [ 5730.907336][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5730.907336][ T72] process_backlog+0x101/0x620 [ 5730.907336][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5730.907336][ T72] net_rx_action+0x495/0xbe0 [ 5730.907336][ T72] __do_softirq+0x1b5/0x7f6 [ 5730.907336][ T72] [ 5730.908969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5730.908969][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.908969][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.908969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.908969][ T72] ip6_route_add+0x1c/0x140 [ 5730.908969][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5730.908969][ T72] inet6_addr_add+0x4f8/0xa40 [ 5730.908969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.908969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.908969][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.908969][ T72] netlink_unicast+0x449/0x710 [ 5730.908969][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.908969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.908969][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.908969][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.908969][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.908969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.908969][ T72] [ 5730.910953][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5730.910953][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.910953][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.910953][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.910953][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5730.910953][ T72] ipv6_add_addr+0x411/0x2000 [ 5730.910953][ T72] inet6_addr_add+0x30e/0xa40 [ 5730.910953][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.910953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.910953][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.910953][ T72] netlink_unicast+0x449/0x710 [ 5730.910953][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.910953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.910953][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.910953][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.910953][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.910953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.910953][ T72] [ 5730.912951][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5730.912951][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.912951][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.912951][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.912951][ T72] ip6_route_add+0x1c/0x140 [ 5730.912951][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5730.912951][ T72] addrconf_add_dev+0xe2/0x170 [ 5730.912951][ T72] inet6_addr_add+0x12f/0xa40 [ 5730.912951][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.912951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.912951][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.912951][ T72] netlink_unicast+0x449/0x710 [ 5730.912951][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.912951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.912951][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.912951][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.912951][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.912951][ T72] [ 5730.914901][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5730.914901][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5730.914901][ T72] ipv6_find_idev+0x102/0x170 [ 5730.914901][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.914901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.914901][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.914901][ T72] netlink_unicast+0x449/0x710 [ 5730.914901][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.914901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.914901][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.914901][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.914901][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.914901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.914901][ T72] [ 5730.916423][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5730.916423][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5730.916423][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5730.916423][ T72] ipv6_find_idev+0x102/0x170 [ 5730.916423][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.916423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.916423][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.916423][ T72] netlink_unicast+0x449/0x710 [ 5730.916423][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.916423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.916423][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.916423][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.916423][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.916423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.916423][ T72] [ 5730.918096][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5730.918363][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5730.918363][ T72] dst_init+0x84/0x4a0 [ 5730.918363][ T72] dst_alloc+0x97/0x150 [ 5730.918363][ T72] ip6_dst_alloc+0x23/0x90 [ 5730.918363][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5730.918363][ T72] ip6_pol_route+0x56f/0x840 [ 5730.918363][ T72] fib6_rule_lookup+0x456/0x630 [ 5730.918363][ T72] ip6_route_input+0x59c/0xa50 [ 5730.918363][ T72] ipv6_rcv+0x397/0x810 [ 5730.918363][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5730.918363][ T72] process_backlog+0x101/0x620 [ 5730.918363][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5730.918363][ T72] net_rx_action+0x495/0xbe0 [ 5730.918363][ T72] __do_softirq+0x1b5/0x7f6 [ 5730.918363][ T72] [ 5730.919999][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5730.919999][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.919999][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.919999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.919999][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5730.919999][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5730.919999][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5730.919999][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5730.919999][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5730.919999][ T72] addrconf_dad_begin+0x310/0x670 [ 5730.919999][ T72] addrconf_dad_work+0x10b/0xab0 [ 5730.919999][ T72] process_one_work+0x84d/0x18a0 [ 5730.919999][ T72] worker_thread+0x587/0xd30 [ 5730.919999][ T72] kthread+0x28a/0x350 [ 5730.919999][ T72] ret_from_fork+0x31/0x70 [ 5730.919999][ T72] ret_from_fork_asm+0x1a/0x30 [ 5730.919999][ T72] [ 5730.921910][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5730.921910][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.921910][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.921910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.921910][ T72] ip6_route_add+0x1c/0x140 [ 5730.921910][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5730.921910][ T72] inet6_addr_add+0x4f8/0xa40 [ 5730.921910][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.921910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.921910][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.921910][ T72] netlink_unicast+0x449/0x710 [ 5730.921910][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.921910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.921910][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.921910][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.921910][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.921910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.921910][ T72] [ 5730.923891][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5730.923891][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.923891][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.923891][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.923891][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5730.923891][ T72] ipv6_add_addr+0x411/0x2000 [ 5730.923891][ T72] inet6_addr_add+0x30e/0xa40 [ 5730.923891][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.923891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.923891][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.923891][ T72] netlink_unicast+0x449/0x710 [ 5730.923891][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.923891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.923891][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.923891][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.923891][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.923891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.923891][ T72] [ 5730.925870][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5730.925870][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.925870][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.925870][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.925870][ T72] ip6_route_add+0x1c/0x140 [ 5730.925870][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5730.925870][ T72] addrconf_add_dev+0xe2/0x170 [ 5730.925870][ T72] inet6_addr_add+0x12f/0xa40 [ 5730.925870][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.925870][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.925870][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.925870][ T72] netlink_unicast+0x449/0x710 [ 5730.925870][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.925870][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.925870][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.925870][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.925870][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.925870][ T72] [ 5730.927814][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5730.927814][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5730.927814][ T72] ipv6_find_idev+0x102/0x170 [ 5730.927814][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.927814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.927814][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.927814][ T72] netlink_unicast+0x449/0x710 [ 5730.927814][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.927814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.927814][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.927814][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.927814][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.927814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.927814][ T72] [ 5730.929342][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5730.929342][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5730.929342][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5730.929342][ T72] ipv6_find_idev+0x102/0x170 [ 5730.929342][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.929342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.929342][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.929342][ T72] netlink_unicast+0x449/0x710 [ 5730.929342][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.929342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.929342][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.929342][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.929342][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.929342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.929342][ T72] [ 5730.931672][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5730.931946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5730.931946][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5730.931946][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5730.931946][ T72] fib6_nh_init+0xa22/0x1580 [ 5730.931946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.931946][ T72] ip6_route_add+0x1c/0x140 [ 5730.931946][ T72] inet6_rtm_newroute+0x104/0x110 [ 5730.931946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.931946][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.931946][ T72] netlink_unicast+0x449/0x710 [ 5730.931946][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.931946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.931946][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.931946][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.931946][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.931946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.931946][ T72] [ 5730.934109][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5730.934109][ T72] dst_init+0x84/0x4a0 [ 5730.934109][ T72] dst_alloc+0x97/0x150 [ 5730.934109][ T72] ip6_dst_alloc+0x23/0x90 [ 5730.934109][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5730.934109][ T72] ip6_pol_route+0x56f/0x840 [ 5730.934109][ T72] fib6_rule_lookup+0x456/0x630 [ 5730.934109][ T72] ip6_route_input+0x59c/0xa50 [ 5730.934109][ T72] ipv6_rcv+0x397/0x810 [ 5730.934109][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5730.934109][ T72] process_backlog+0x101/0x620 [ 5730.934109][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5730.934109][ T72] net_rx_action+0x495/0xbe0 [ 5730.934109][ T72] __do_softirq+0x1b5/0x7f6 [ 5730.934109][ T72] [ 5730.935918][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5730.935918][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.935918][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.935918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.935918][ T72] ip6_route_add+0x1c/0x140 [ 5730.935918][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5730.935918][ T72] inet6_addr_add+0x4f8/0xa40 [ 5730.935918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.935918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.935918][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.935918][ T72] netlink_unicast+0x449/0x710 [ 5730.935918][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.935918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.935918][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.935918][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.935918][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.935918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.935918][ T72] [ 5730.938074][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5730.938074][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.938074][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.938074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.938074][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5730.938074][ T72] ipv6_add_addr+0x411/0x2000 [ 5730.938074][ T72] inet6_addr_add+0x30e/0xa40 [ 5730.938074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.938074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.938074][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.938074][ T72] netlink_unicast+0x449/0x710 [ 5730.938074][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.938074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.938074][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.938074][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.938074][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.938074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.938074][ T72] [ 5730.940253][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5730.940253][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.940253][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.940253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.940253][ T72] ip6_route_add+0x1c/0x140 [ 5730.940253][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5730.940253][ T72] addrconf_add_dev+0xe2/0x170 [ 5730.940253][ T72] inet6_addr_add+0x12f/0xa40 [ 5730.940253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.940253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.940253][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.940253][ T72] netlink_unicast+0x449/0x710 [ 5730.940253][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.940253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.940253][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.940253][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.940253][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.940253][ T72] [ 5730.942496][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5730.942496][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5730.942496][ T72] ipv6_find_idev+0x102/0x170 [ 5730.942496][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.942496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.942496][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.942496][ T72] netlink_unicast+0x449/0x710 [ 5730.942496][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.942496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.942496][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.942496][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.942496][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.942496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.942496][ T72] [ 5730.944198][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5730.944198][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5730.944198][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5730.944198][ T72] ipv6_find_idev+0x102/0x170 [ 5730.944198][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.944198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.944198][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.944198][ T72] netlink_unicast+0x449/0x710 [ 5730.944198][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.944198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.944198][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.944198][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.944198][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.944198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.944198][ T72] [ 5730.946048][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5730.946387][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5730.946387][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.946387][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.946387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.946387][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5730.946387][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5730.946387][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5730.946387][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5730.946387][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5730.946387][ T72] addrconf_dad_begin+0x310/0x670 [ 5730.946387][ T72] addrconf_dad_work+0x10b/0xab0 [ 5730.946387][ T72] process_one_work+0x84d/0x18a0 [ 5730.946387][ T72] worker_thread+0x587/0xd30 [ 5730.946387][ T72] kthread+0x28a/0x350 [ 5730.946387][ T72] ret_from_fork+0x31/0x70 [ 5730.946387][ T72] ret_from_fork_asm+0x1a/0x30 [ 5730.946387][ T72] [ 5730.949033][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5730.949033][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.949033][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.949033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.949033][ T72] ip6_route_add+0x1c/0x140 [ 5730.949033][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5730.949033][ T72] inet6_addr_add+0x4f8/0xa40 [ 5730.949033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.949033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.949033][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.949033][ T72] netlink_unicast+0x449/0x710 [ 5730.949033][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.949033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.949033][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.949033][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.949033][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.949033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.949033][ T72] [ 5730.951248][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5730.951248][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.951248][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.951248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.951248][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5730.951248][ T72] ipv6_add_addr+0x411/0x2000 [ 5730.951248][ T72] inet6_addr_add+0x30e/0xa40 [ 5730.951248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.951248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.951248][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.951248][ T72] netlink_unicast+0x449/0x710 [ 5730.951248][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.951248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.951248][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.951248][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.951248][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.951248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.951248][ T72] [ 5730.953531][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5730.953531][ T72] netdev_get_by_index+0x5e/0x80 [ 5730.953531][ T72] fib6_nh_init+0x3d8/0x1580 [ 5730.953531][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5730.953531][ T72] ip6_route_add+0x1c/0x140 [ 5730.953531][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5730.953531][ T72] addrconf_add_dev+0xe2/0x170 [ 5730.953531][ T72] inet6_addr_add+0x12f/0xa40 [ 5730.953531][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.953531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.953531][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.953531][ T72] netlink_unicast+0x449/0x710 [ 5730.953531][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.953531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.953531][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.953531][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.953531][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.953531][ T72] [ 5730.955705][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5730.955705][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5730.955705][ T72] ipv6_find_idev+0x102/0x170 [ 5730.955705][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.955705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.955705][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.955705][ T72] netlink_unicast+0x449/0x710 [ 5730.955705][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.955705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.955705][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.955705][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.955705][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.955705][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.955705][ T72] [ 5730.957410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5730.957410][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5730.957410][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5730.957410][ T72] ipv6_find_idev+0x102/0x170 [ 5730.957410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.957410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.957410][ T72] netlink_rcv_skb+0x130/0x360 [ 5730.957410][ T72] netlink_unicast+0x449/0x710 [ 5730.957410][ T72] netlink_sendmsg+0x723/0xbe0 [ 5730.957410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5730.957410][ T72] ___sys_sendmsg+0xee/0x170 [ 5730.957410][ T72] __sys_sendmsg+0xcd/0x170 [ 5730.957410][ T72] do_syscall_64+0xc6/0x1e0 [ 5730.957410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.957410][ T72] [ 5741.200967][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5741.201506][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5741.201506][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5741.201506][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5741.201506][ T72] fib6_nh_init+0xa22/0x1580 [ 5741.201506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.201506][ T72] ip6_route_add+0x1c/0x140 [ 5741.201506][ T72] inet6_rtm_newroute+0x104/0x110 [ 5741.201506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.201506][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.201506][ T72] netlink_unicast+0x449/0x710 [ 5741.201506][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.201506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.201506][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.201506][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.201506][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.201506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.201506][ T72] [ 5741.203413][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5741.203413][ T72] dst_init+0x84/0x4a0 [ 5741.203413][ T72] dst_alloc+0x97/0x150 [ 5741.203413][ T72] ip6_dst_alloc+0x23/0x90 [ 5741.203413][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5741.203413][ T72] ip6_pol_route+0x56f/0x840 [ 5741.203413][ T72] fib6_rule_lookup+0x456/0x630 [ 5741.203413][ T72] ip6_route_input+0x59c/0xa50 [ 5741.203413][ T72] ipv6_rcv+0x397/0x810 [ 5741.203413][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5741.203413][ T72] process_backlog+0x101/0x620 [ 5741.203413][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5741.203413][ T72] net_rx_action+0x495/0xbe0 [ 5741.203413][ T72] __do_softirq+0x1b5/0x7f6 [ 5741.203413][ T72] [ 5741.205034][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5741.205034][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.205034][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.205034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.205034][ T72] ip6_route_add+0x1c/0x140 [ 5741.205034][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5741.205034][ T72] inet6_addr_add+0x4f8/0xa40 [ 5741.205034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.205034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.205034][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.205034][ T72] netlink_unicast+0x449/0x710 [ 5741.205034][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.205034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.205034][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.205034][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.205034][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.205034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.205034][ T72] [ 5741.206992][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5741.206992][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.206992][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.206992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.206992][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5741.206992][ T72] ipv6_add_addr+0x411/0x2000 [ 5741.206992][ T72] inet6_addr_add+0x30e/0xa40 [ 5741.206992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.206992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.206992][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.206992][ T72] netlink_unicast+0x449/0x710 [ 5741.206992][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.206992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.206992][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.206992][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.206992][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.206992][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.206992][ T72] [ 5741.209014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5741.209014][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.209014][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.209014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.209014][ T72] ip6_route_add+0x1c/0x140 [ 5741.209014][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5741.209014][ T72] addrconf_add_dev+0xe2/0x170 [ 5741.209014][ T72] inet6_addr_add+0x12f/0xa40 [ 5741.209014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.209014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.209014][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.209014][ T72] netlink_unicast+0x449/0x710 [ 5741.209014][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.209014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.209014][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.209014][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.209014][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.209014][ T72] [ 5741.210996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5741.210996][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5741.210996][ T72] ipv6_find_idev+0x102/0x170 [ 5741.210996][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.210996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.210996][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.210996][ T72] netlink_unicast+0x449/0x710 [ 5741.210996][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.210996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.210996][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.210996][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.210996][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.210996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.210996][ T72] [ 5741.212551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5741.212551][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5741.212551][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5741.212551][ T72] ipv6_find_idev+0x102/0x170 [ 5741.212551][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.212551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.212551][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.212551][ T72] netlink_unicast+0x449/0x710 [ 5741.212551][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.212551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.212551][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.212551][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.212551][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.212551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.212551][ T72] [ 5741.214266][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5741.214538][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5741.214538][ T72] dst_init+0x84/0x4a0 [ 5741.214538][ T72] dst_alloc+0x97/0x150 [ 5741.214538][ T72] ip6_dst_alloc+0x23/0x90 [ 5741.214538][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5741.214538][ T72] ip6_pol_route+0x56f/0x840 [ 5741.214538][ T72] fib6_rule_lookup+0x456/0x630 [ 5741.214538][ T72] ip6_route_input+0x59c/0xa50 [ 5741.214538][ T72] ipv6_rcv+0x397/0x810 [ 5741.214538][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5741.214538][ T72] process_backlog+0x101/0x620 [ 5741.214538][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5741.214538][ T72] net_rx_action+0x495/0xbe0 [ 5741.214538][ T72] __do_softirq+0x1b5/0x7f6 [ 5741.214538][ T72] [ 5741.216183][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5741.216183][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.216183][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.216183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.216183][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5741.216183][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5741.216183][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5741.216183][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5741.216183][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5741.216183][ T72] addrconf_dad_begin+0x310/0x670 [ 5741.216183][ T72] addrconf_dad_work+0x10b/0xab0 [ 5741.216183][ T72] process_one_work+0x84d/0x18a0 [ 5741.216183][ T72] worker_thread+0x587/0xd30 [ 5741.216183][ T72] kthread+0x28a/0x350 [ 5741.216183][ T72] ret_from_fork+0x31/0x70 [ 5741.216183][ T72] ret_from_fork_asm+0x1a/0x30 [ 5741.216183][ T72] [ 5741.218097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5741.218097][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.218097][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.218097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.218097][ T72] ip6_route_add+0x1c/0x140 [ 5741.218097][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5741.218097][ T72] inet6_addr_add+0x4f8/0xa40 [ 5741.218097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.218097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.218097][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.218097][ T72] netlink_unicast+0x449/0x710 [ 5741.218097][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.218097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.218097][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.218097][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.218097][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.218097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.218097][ T72] [ 5741.220102][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5741.220102][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.220102][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.220102][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.220102][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5741.220102][ T72] ipv6_add_addr+0x411/0x2000 [ 5741.220102][ T72] inet6_addr_add+0x30e/0xa40 [ 5741.220102][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.220102][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.220102][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.220102][ T72] netlink_unicast+0x449/0x710 [ 5741.220102][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.220102][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.220102][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.220102][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.220102][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.220102][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.220102][ T72] [ 5741.222113][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5741.222113][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.222113][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.222113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.222113][ T72] ip6_route_add+0x1c/0x140 [ 5741.222113][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5741.222113][ T72] addrconf_add_dev+0xe2/0x170 [ 5741.222113][ T72] inet6_addr_add+0x12f/0xa40 [ 5741.222113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.222113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.222113][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.222113][ T72] netlink_unicast+0x449/0x710 [ 5741.222113][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.222113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.222113][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.222113][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.222113][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.222113][ T72] [ 5741.224051][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5741.224051][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5741.224051][ T72] ipv6_find_idev+0x102/0x170 [ 5741.224051][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.224051][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.224051][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.224051][ T72] netlink_unicast+0x449/0x710 [ 5741.224051][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.224051][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.224051][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.224051][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.224051][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.224051][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.224051][ T72] [ 5741.225557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5741.225557][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5741.225557][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5741.225557][ T72] ipv6_find_idev+0x102/0x170 [ 5741.225557][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.225557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.225557][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.225557][ T72] netlink_unicast+0x449/0x710 [ 5741.225557][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.225557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.225557][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.225557][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.225557][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.225557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.225557][ T72] [ 5741.227353][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5741.227634][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5741.227634][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5741.227634][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5741.227634][ T72] fib6_nh_init+0xa22/0x1580 [ 5741.227634][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.227634][ T72] ip6_route_add+0x1c/0x140 [ 5741.227634][ T72] inet6_rtm_newroute+0x104/0x110 [ 5741.227634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.227634][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.227634][ T72] netlink_unicast+0x449/0x710 [ 5741.227634][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.227634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.227634][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.227634][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.227634][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.227634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.227634][ T72] [ 5741.229830][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5741.229830][ T72] dst_init+0x84/0x4a0 [ 5741.229830][ T72] dst_alloc+0x97/0x150 [ 5741.229830][ T72] ip6_dst_alloc+0x23/0x90 [ 5741.229830][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5741.229830][ T72] ip6_pol_route+0x56f/0x840 [ 5741.229830][ T72] fib6_rule_lookup+0x456/0x630 [ 5741.229830][ T72] ip6_route_input+0x59c/0xa50 [ 5741.229830][ T72] ipv6_rcv+0x397/0x810 [ 5741.229830][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5741.229830][ T72] process_backlog+0x101/0x620 [ 5741.229830][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5741.229830][ T72] net_rx_action+0x495/0xbe0 [ 5741.229830][ T72] __do_softirq+0x1b5/0x7f6 [ 5741.229830][ T72] [ 5741.231660][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5741.231660][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.231660][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.231660][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.231660][ T72] ip6_route_add+0x1c/0x140 [ 5741.231660][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5741.231660][ T72] inet6_addr_add+0x4f8/0xa40 [ 5741.231660][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.231660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.231660][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.231660][ T72] netlink_unicast+0x449/0x710 [ 5741.231660][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.231660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.231660][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.231660][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.231660][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.231660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.231660][ T72] [ 5741.233902][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5741.233902][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.233902][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.233902][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.233902][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5741.233902][ T72] ipv6_add_addr+0x411/0x2000 [ 5741.233902][ T72] inet6_addr_add+0x30e/0xa40 [ 5741.233902][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.233902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.233902][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.233902][ T72] netlink_unicast+0x449/0x710 [ 5741.233902][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.233902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.233902][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.233902][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.233902][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.233902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.233902][ T72] [ 5741.236101][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5741.236101][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.236101][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.236101][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.236101][ T72] ip6_route_add+0x1c/0x140 [ 5741.236101][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5741.236101][ T72] addrconf_add_dev+0xe2/0x170 [ 5741.236101][ T72] inet6_addr_add+0x12f/0xa40 [ 5741.236101][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.236101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.236101][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.236101][ T72] netlink_unicast+0x449/0x710 [ 5741.236101][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.236101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.236101][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.236101][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.236101][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.236101][ T72] [ 5741.238384][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5741.238384][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5741.238384][ T72] ipv6_find_idev+0x102/0x170 [ 5741.238384][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.238384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.238384][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.238384][ T72] netlink_unicast+0x449/0x710 [ 5741.238384][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.238384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.238384][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.238384][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.238384][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.238384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.238384][ T72] [ 5741.240111][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5741.240111][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5741.240111][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5741.240111][ T72] ipv6_find_idev+0x102/0x170 [ 5741.240111][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.240111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.240111][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.240111][ T72] netlink_unicast+0x449/0x710 [ 5741.240111][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.240111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.240111][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.240111][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.240111][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.240111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.240111][ T72] [ 5741.241999][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5741.242344][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5741.242344][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.242344][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.242344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.242344][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5741.242344][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5741.242344][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5741.242344][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5741.242344][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5741.242344][ T72] addrconf_dad_begin+0x310/0x670 [ 5741.242344][ T72] addrconf_dad_work+0x10b/0xab0 [ 5741.242344][ T72] process_one_work+0x84d/0x18a0 [ 5741.242344][ T72] worker_thread+0x587/0xd30 [ 5741.242344][ T72] kthread+0x28a/0x350 [ 5741.242344][ T72] ret_from_fork+0x31/0x70 [ 5741.242344][ T72] ret_from_fork_asm+0x1a/0x30 [ 5741.242344][ T72] [ 5741.244376][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5741.244376][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.244376][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.244376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.244376][ T72] ip6_route_add+0x1c/0x140 [ 5741.244376][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5741.244376][ T72] inet6_addr_add+0x4f8/0xa40 [ 5741.244376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.244376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.244376][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.244376][ T72] netlink_unicast+0x449/0x710 [ 5741.244376][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.244376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.244376][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.244376][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.244376][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.244376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.244376][ T72] [ 5741.246623][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5741.246623][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.246623][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.246623][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.246623][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5741.246623][ T72] ipv6_add_addr+0x411/0x2000 [ 5741.246623][ T72] inet6_addr_add+0x30e/0xa40 [ 5741.246623][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.246623][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.246623][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.246623][ T72] netlink_unicast+0x449/0x710 [ 5741.246623][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.246623][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.246623][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.246623][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.246623][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.246623][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.246623][ T72] [ 5741.248935][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5741.248935][ T72] netdev_get_by_index+0x5e/0x80 [ 5741.248935][ T72] fib6_nh_init+0x3d8/0x1580 [ 5741.248935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5741.248935][ T72] ip6_route_add+0x1c/0x140 [ 5741.248935][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5741.248935][ T72] addrconf_add_dev+0xe2/0x170 [ 5741.248935][ T72] inet6_addr_add+0x12f/0xa40 [ 5741.248935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.248935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.248935][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.248935][ T72] netlink_unicast+0x449/0x710 [ 5741.248935][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.248935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.248935][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.248935][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.248935][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.248935][ T72] [ 5741.251148][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5741.251148][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5741.251148][ T72] ipv6_find_idev+0x102/0x170 [ 5741.251148][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.251148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.251148][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.251148][ T72] netlink_unicast+0x449/0x710 [ 5741.251148][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.251148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.251148][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.251148][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.251148][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.251148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.251148][ T72] [ 5741.252879][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5741.252879][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5741.252879][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5741.252879][ T72] ipv6_find_idev+0x102/0x170 [ 5741.252879][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.252879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.252879][ T72] netlink_rcv_skb+0x130/0x360 [ 5741.252879][ T72] netlink_unicast+0x449/0x710 [ 5741.252879][ T72] netlink_sendmsg+0x723/0xbe0 [ 5741.252879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5741.252879][ T72] ___sys_sendmsg+0xee/0x170 [ 5741.252879][ T72] __sys_sendmsg+0xcd/0x170 [ 5741.252879][ T72] do_syscall_64+0xc6/0x1e0 [ 5741.252879][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.252879][ T72] [ 5751.496943][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5751.497460][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5751.497460][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5751.497460][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5751.497460][ T72] fib6_nh_init+0xa22/0x1580 [ 5751.497460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.497460][ T72] ip6_route_add+0x1c/0x140 [ 5751.497460][ T72] inet6_rtm_newroute+0x104/0x110 [ 5751.497460][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.497460][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.497460][ T72] netlink_unicast+0x449/0x710 [ 5751.497460][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.497460][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.497460][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.497460][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.497460][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.497460][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.497460][ T72] [ 5751.499393][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5751.499393][ T72] dst_init+0x84/0x4a0 [ 5751.499393][ T72] dst_alloc+0x97/0x150 [ 5751.499393][ T72] ip6_dst_alloc+0x23/0x90 [ 5751.499393][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5751.499393][ T72] ip6_pol_route+0x56f/0x840 [ 5751.499393][ T72] fib6_rule_lookup+0x456/0x630 [ 5751.499393][ T72] ip6_route_input+0x59c/0xa50 [ 5751.499393][ T72] ipv6_rcv+0x397/0x810 [ 5751.499393][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5751.499393][ T72] process_backlog+0x101/0x620 [ 5751.499393][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5751.499393][ T72] net_rx_action+0x495/0xbe0 [ 5751.499393][ T72] __do_softirq+0x1b5/0x7f6 [ 5751.499393][ T72] [ 5751.501043][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5751.501043][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.501043][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.501043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.501043][ T72] ip6_route_add+0x1c/0x140 [ 5751.501043][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5751.501043][ T72] inet6_addr_add+0x4f8/0xa40 [ 5751.501043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.501043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.501043][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.501043][ T72] netlink_unicast+0x449/0x710 [ 5751.501043][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.501043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.501043][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.501043][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.501043][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.501043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.501043][ T72] [ 5751.503506][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5751.503506][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.503506][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.503506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.503506][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5751.503506][ T72] ipv6_add_addr+0x411/0x2000 [ 5751.503506][ T72] inet6_addr_add+0x30e/0xa40 [ 5751.503506][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.503506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.503506][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.503506][ T72] netlink_unicast+0x449/0x710 [ 5751.503506][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.503506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.503506][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.503506][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.503506][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.503506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.503506][ T72] [ 5751.505958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5751.505958][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.505958][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.505958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.505958][ T72] ip6_route_add+0x1c/0x140 [ 5751.505958][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5751.505958][ T72] addrconf_add_dev+0xe2/0x170 [ 5751.505958][ T72] inet6_addr_add+0x12f/0xa40 [ 5751.505958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.505958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.505958][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.505958][ T72] netlink_unicast+0x449/0x710 [ 5751.505958][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.505958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.505958][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.505958][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.505958][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.505958][ T72] [ 5751.508359][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5751.508359][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5751.508359][ T72] ipv6_find_idev+0x102/0x170 [ 5751.508359][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.508359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.508359][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.508359][ T72] netlink_unicast+0x449/0x710 [ 5751.508359][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.508359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.508359][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.508359][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.508359][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.508359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.508359][ T72] [ 5751.510224][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5751.510224][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5751.510224][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5751.510224][ T72] ipv6_find_idev+0x102/0x170 [ 5751.510224][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.510224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.510224][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.510224][ T72] netlink_unicast+0x449/0x710 [ 5751.510224][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.510224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.510224][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.510224][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.510224][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.510224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.510224][ T72] [ 5751.512303][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5751.512633][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5751.512633][ T72] dst_init+0x84/0x4a0 [ 5751.512633][ T72] dst_alloc+0x97/0x150 [ 5751.512633][ T72] ip6_dst_alloc+0x23/0x90 [ 5751.512633][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5751.512633][ T72] ip6_pol_route+0x56f/0x840 [ 5751.512633][ T72] fib6_rule_lookup+0x456/0x630 [ 5751.512633][ T72] ip6_route_input+0x59c/0xa50 [ 5751.512633][ T72] ipv6_rcv+0x397/0x810 [ 5751.512633][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5751.512633][ T72] process_backlog+0x101/0x620 [ 5751.512633][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5751.512633][ T72] net_rx_action+0x495/0xbe0 [ 5751.512633][ T72] __do_softirq+0x1b5/0x7f6 [ 5751.512633][ T72] [ 5751.514625][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5751.514625][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.514625][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.514625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.514625][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5751.514625][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5751.514625][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5751.514625][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5751.514625][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5751.514625][ T72] addrconf_dad_begin+0x310/0x670 [ 5751.514625][ T72] addrconf_dad_work+0x10b/0xab0 [ 5751.514625][ T72] process_one_work+0x84d/0x18a0 [ 5751.514625][ T72] worker_thread+0x587/0xd30 [ 5751.514625][ T72] kthread+0x28a/0x350 [ 5751.514625][ T72] ret_from_fork+0x31/0x70 [ 5751.514625][ T72] ret_from_fork_asm+0x1a/0x30 [ 5751.514625][ T72] [ 5751.516938][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5751.516938][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.516938][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.516938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.516938][ T72] ip6_route_add+0x1c/0x140 [ 5751.516938][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5751.516938][ T72] inet6_addr_add+0x4f8/0xa40 [ 5751.516938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.516938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.516938][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.516938][ T72] netlink_unicast+0x449/0x710 [ 5751.516938][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.516938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.516938][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.516938][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.516938][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.516938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.516938][ T72] [ 5751.519361][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5751.519361][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.519361][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.519361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.519361][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5751.519361][ T72] ipv6_add_addr+0x411/0x2000 [ 5751.519361][ T72] inet6_addr_add+0x30e/0xa40 [ 5751.519361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.519361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.519361][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.519361][ T72] netlink_unicast+0x449/0x710 [ 5751.519361][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.519361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.519361][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.519361][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.519361][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.519361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.519361][ T72] [ 5751.521795][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5751.521795][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.521795][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.521795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.521795][ T72] ip6_route_add+0x1c/0x140 [ 5751.521795][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5751.521795][ T72] addrconf_add_dev+0xe2/0x170 [ 5751.521795][ T72] inet6_addr_add+0x12f/0xa40 [ 5751.521795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.521795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.521795][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.521795][ T72] netlink_unicast+0x449/0x710 [ 5751.521795][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.521795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.521795][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.521795][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.521795][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.521795][ T72] [ 5751.524202][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5751.524202][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5751.524202][ T72] ipv6_find_idev+0x102/0x170 [ 5751.524202][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.524202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.524202][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.524202][ T72] netlink_unicast+0x449/0x710 [ 5751.524202][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.524202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.524202][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.524202][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.524202][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.524202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.524202][ T72] [ 5751.526083][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5751.526083][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5751.526083][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5751.526083][ T72] ipv6_find_idev+0x102/0x170 [ 5751.526083][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.526083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.526083][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.526083][ T72] netlink_unicast+0x449/0x710 [ 5751.526083][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.526083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.526083][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.526083][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.526083][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.526083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.526083][ T72] [ 5751.528263][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5751.528591][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5751.528591][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5751.528591][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5751.528591][ T72] fib6_nh_init+0xa22/0x1580 [ 5751.528591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.528591][ T72] ip6_route_add+0x1c/0x140 [ 5751.528591][ T72] inet6_rtm_newroute+0x104/0x110 [ 5751.528591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.528591][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.528591][ T72] netlink_unicast+0x449/0x710 [ 5751.528591][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.528591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.528591][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.528591][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.528591][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.528591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.528591][ T72] [ 5751.531172][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5751.531172][ T72] dst_init+0x84/0x4a0 [ 5751.531172][ T72] dst_alloc+0x97/0x150 [ 5751.531172][ T72] ip6_dst_alloc+0x23/0x90 [ 5751.531172][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5751.531172][ T72] ip6_pol_route+0x56f/0x840 [ 5751.531172][ T72] fib6_rule_lookup+0x456/0x630 [ 5751.531172][ T72] ip6_route_input+0x59c/0xa50 [ 5751.531172][ T72] ipv6_rcv+0x397/0x810 [ 5751.531172][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5751.531172][ T72] process_backlog+0x101/0x620 [ 5751.531172][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5751.531172][ T72] net_rx_action+0x495/0xbe0 [ 5751.531172][ T72] __do_softirq+0x1b5/0x7f6 [ 5751.531172][ T72] [ 5751.533364][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5751.533364][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.533364][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.533364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.533364][ T72] ip6_route_add+0x1c/0x140 [ 5751.533364][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5751.533364][ T72] inet6_addr_add+0x4f8/0xa40 [ 5751.533364][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.533364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.533364][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.533364][ T72] netlink_unicast+0x449/0x710 [ 5751.533364][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.533364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.533364][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.533364][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.533364][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.533364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.533364][ T72] [ 5751.536054][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5751.536054][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.536054][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.536054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.536054][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5751.536054][ T72] ipv6_add_addr+0x411/0x2000 [ 5751.536054][ T72] inet6_addr_add+0x30e/0xa40 [ 5751.536054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.536054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.536054][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.536054][ T72] netlink_unicast+0x449/0x710 [ 5751.536054][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.536054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.536054][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.536054][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.536054][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.536054][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.536054][ T72] [ 5751.538652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5751.538652][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.538652][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.538652][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.538652][ T72] ip6_route_add+0x1c/0x140 [ 5751.538652][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5751.538652][ T72] addrconf_add_dev+0xe2/0x170 [ 5751.538652][ T72] inet6_addr_add+0x12f/0xa40 [ 5751.538652][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.538652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.538652][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.538652][ T72] netlink_unicast+0x449/0x710 [ 5751.538652][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.538652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.538652][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.538652][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.538652][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.538652][ T72] [ 5751.541354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5751.541354][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5751.541354][ T72] ipv6_find_idev+0x102/0x170 [ 5751.541354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.541354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.541354][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.541354][ T72] netlink_unicast+0x449/0x710 [ 5751.541354][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.541354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.541354][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.541354][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.541354][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.541354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.541354][ T72] [ 5751.543418][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5751.543418][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5751.543418][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5751.543418][ T72] ipv6_find_idev+0x102/0x170 [ 5751.543418][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.543418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.543418][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.543418][ T72] netlink_unicast+0x449/0x710 [ 5751.543418][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.543418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.543418][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.543418][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.543418][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.543418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.543418][ T72] [ 5751.545656][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5751.546516][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5751.546516][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.546516][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.546516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.546516][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5751.546516][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5751.546516][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5751.546516][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5751.546516][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5751.546516][ T72] addrconf_dad_begin+0x310/0x670 [ 5751.546516][ T72] addrconf_dad_work+0x10b/0xab0 [ 5751.546516][ T72] process_one_work+0x84d/0x18a0 [ 5751.546516][ T72] worker_thread+0x587/0xd30 [ 5751.546516][ T72] kthread+0x28a/0x350 [ 5751.546516][ T72] ret_from_fork+0x31/0x70 [ 5751.546516][ T72] ret_from_fork_asm+0x1a/0x30 [ 5751.546516][ T72] [ 5751.548855][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5751.548855][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.548855][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.548855][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.548855][ T72] ip6_route_add+0x1c/0x140 [ 5751.548855][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5751.548855][ T72] inet6_addr_add+0x4f8/0xa40 [ 5751.548855][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.548855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.548855][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.548855][ T72] netlink_unicast+0x449/0x710 [ 5751.548855][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.548855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.548855][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.548855][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.548855][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.548855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.548855][ T72] [ 5751.551284][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5751.551284][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.551284][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.551284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.551284][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5751.551284][ T72] ipv6_add_addr+0x411/0x2000 [ 5751.551284][ T72] inet6_addr_add+0x30e/0xa40 [ 5751.551284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.551284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.551284][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.551284][ T72] netlink_unicast+0x449/0x710 [ 5751.551284][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.551284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.551284][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.551284][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.551284][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.551284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.551284][ T72] [ 5751.553957][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5751.553957][ T72] netdev_get_by_index+0x5e/0x80 [ 5751.553957][ T72] fib6_nh_init+0x3d8/0x1580 [ 5751.553957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5751.553957][ T72] ip6_route_add+0x1c/0x140 [ 5751.553957][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5751.553957][ T72] addrconf_add_dev+0xe2/0x170 [ 5751.553957][ T72] inet6_addr_add+0x12f/0xa40 [ 5751.553957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.553957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.553957][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.553957][ T72] netlink_unicast+0x449/0x710 [ 5751.553957][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.553957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.553957][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.553957][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.553957][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.553957][ T72] [ 5751.556650][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5751.556650][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5751.556650][ T72] ipv6_find_idev+0x102/0x170 [ 5751.556650][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.556650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.556650][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.556650][ T72] netlink_unicast+0x449/0x710 [ 5751.556650][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.556650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.556650][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.556650][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.556650][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.556650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.556650][ T72] [ 5751.558696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5751.558696][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5751.558696][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5751.558696][ T72] ipv6_find_idev+0x102/0x170 [ 5751.558696][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.558696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.558696][ T72] netlink_rcv_skb+0x130/0x360 [ 5751.558696][ T72] netlink_unicast+0x449/0x710 [ 5751.558696][ T72] netlink_sendmsg+0x723/0xbe0 [ 5751.558696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5751.558696][ T72] ___sys_sendmsg+0xee/0x170 [ 5751.558696][ T72] __sys_sendmsg+0xcd/0x170 [ 5751.558696][ T72] do_syscall_64+0xc6/0x1e0 [ 5751.558696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.558696][ T72] [ 5761.800904][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5761.801350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5761.801350][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5761.801350][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5761.801350][ T72] fib6_nh_init+0xa22/0x1580 [ 5761.801350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.801350][ T72] ip6_route_add+0x1c/0x140 [ 5761.801350][ T72] inet6_rtm_newroute+0x104/0x110 [ 5761.801350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.801350][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.801350][ T72] netlink_unicast+0x449/0x710 [ 5761.801350][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.801350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.801350][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.801350][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.801350][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.801350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.801350][ T72] [ 5761.803435][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5761.803435][ T72] dst_init+0x84/0x4a0 [ 5761.803435][ T72] dst_alloc+0x97/0x150 [ 5761.803435][ T72] ip6_dst_alloc+0x23/0x90 [ 5761.803435][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5761.803435][ T72] ip6_pol_route+0x56f/0x840 [ 5761.803435][ T72] fib6_rule_lookup+0x456/0x630 [ 5761.803435][ T72] ip6_route_input+0x59c/0xa50 [ 5761.803435][ T72] ipv6_rcv+0x397/0x810 [ 5761.803435][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5761.803435][ T72] process_backlog+0x101/0x620 [ 5761.803435][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5761.803435][ T72] net_rx_action+0x495/0xbe0 [ 5761.803435][ T72] __do_softirq+0x1b5/0x7f6 [ 5761.803435][ T72] [ 5761.805241][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5761.805241][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.805241][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.805241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.805241][ T72] ip6_route_add+0x1c/0x140 [ 5761.805241][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5761.805241][ T72] inet6_addr_add+0x4f8/0xa40 [ 5761.805241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.805241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.805241][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.805241][ T72] netlink_unicast+0x449/0x710 [ 5761.805241][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.805241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.805241][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.805241][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.805241][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.805241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.805241][ T72] [ 5761.807439][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5761.807439][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.807439][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.807439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.807439][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5761.807439][ T72] ipv6_add_addr+0x411/0x2000 [ 5761.807439][ T72] inet6_addr_add+0x30e/0xa40 [ 5761.807439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.807439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.807439][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.807439][ T72] netlink_unicast+0x449/0x710 [ 5761.807439][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.807439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.807439][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.807439][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.807439][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.807439][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.807439][ T72] [ 5761.809637][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5761.809637][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.809637][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.809637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.809637][ T72] ip6_route_add+0x1c/0x140 [ 5761.809637][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5761.809637][ T72] addrconf_add_dev+0xe2/0x170 [ 5761.809637][ T72] inet6_addr_add+0x12f/0xa40 [ 5761.809637][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.809637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.809637][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.809637][ T72] netlink_unicast+0x449/0x710 [ 5761.809637][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.809637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.809637][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.809637][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.809637][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.809637][ T72] [ 5761.811817][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5761.811817][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5761.811817][ T72] ipv6_find_idev+0x102/0x170 [ 5761.811817][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.811817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.811817][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.811817][ T72] netlink_unicast+0x449/0x710 [ 5761.811817][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.811817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.811817][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.811817][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.811817][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.811817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.811817][ T72] [ 5761.813528][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5761.813528][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5761.813528][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5761.813528][ T72] ipv6_find_idev+0x102/0x170 [ 5761.813528][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.813528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.813528][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.813528][ T72] netlink_unicast+0x449/0x710 [ 5761.813528][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.813528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.813528][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.813528][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.813528][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.813528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.813528][ T72] [ 5761.815383][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5761.815678][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5761.815678][ T72] dst_init+0x84/0x4a0 [ 5761.815678][ T72] dst_alloc+0x97/0x150 [ 5761.815678][ T72] ip6_dst_alloc+0x23/0x90 [ 5761.815678][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5761.815678][ T72] ip6_pol_route+0x56f/0x840 [ 5761.815678][ T72] fib6_rule_lookup+0x456/0x630 [ 5761.815678][ T72] ip6_route_input+0x59c/0xa50 [ 5761.815678][ T72] ipv6_rcv+0x397/0x810 [ 5761.815678][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5761.815678][ T72] process_backlog+0x101/0x620 [ 5761.815678][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5761.815678][ T72] net_rx_action+0x495/0xbe0 [ 5761.815678][ T72] __do_softirq+0x1b5/0x7f6 [ 5761.815678][ T72] [ 5761.817497][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5761.817497][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.817497][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.817497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.817497][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5761.817497][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5761.817497][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5761.817497][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5761.817497][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5761.817497][ T72] addrconf_dad_begin+0x310/0x670 [ 5761.817497][ T72] addrconf_dad_work+0x10b/0xab0 [ 5761.817497][ T72] process_one_work+0x84d/0x18a0 [ 5761.817497][ T72] worker_thread+0x587/0xd30 [ 5761.817497][ T72] kthread+0x28a/0x350 [ 5761.817497][ T72] ret_from_fork+0x31/0x70 [ 5761.817497][ T72] ret_from_fork_asm+0x1a/0x30 [ 5761.817497][ T72] [ 5761.819597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5761.819597][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.819597][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.819597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.819597][ T72] ip6_route_add+0x1c/0x140 [ 5761.819597][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5761.819597][ T72] inet6_addr_add+0x4f8/0xa40 [ 5761.819597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.819597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.819597][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.819597][ T72] netlink_unicast+0x449/0x710 [ 5761.819597][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.819597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.819597][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.819597][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.819597][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.819597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.819597][ T72] [ 5761.821797][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5761.821797][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.821797][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.821797][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.821797][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5761.821797][ T72] ipv6_add_addr+0x411/0x2000 [ 5761.821797][ T72] inet6_addr_add+0x30e/0xa40 [ 5761.821797][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.821797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.821797][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.821797][ T72] netlink_unicast+0x449/0x710 [ 5761.821797][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.821797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.821797][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.821797][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.821797][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.821797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.821797][ T72] [ 5761.824001][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5761.824001][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.824001][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.824001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.824001][ T72] ip6_route_add+0x1c/0x140 [ 5761.824001][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5761.824001][ T72] addrconf_add_dev+0xe2/0x170 [ 5761.824001][ T72] inet6_addr_add+0x12f/0xa40 [ 5761.824001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.824001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.824001][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.824001][ T72] netlink_unicast+0x449/0x710 [ 5761.824001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.824001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.824001][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.824001][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.824001][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.824001][ T72] [ 5761.826157][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5761.826157][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5761.826157][ T72] ipv6_find_idev+0x102/0x170 [ 5761.826157][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.826157][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.826157][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.826157][ T72] netlink_unicast+0x449/0x710 [ 5761.826157][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.826157][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.826157][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.826157][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.826157][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.826157][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.826157][ T72] [ 5761.827851][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5761.827851][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5761.827851][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5761.827851][ T72] ipv6_find_idev+0x102/0x170 [ 5761.827851][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.827851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.827851][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.827851][ T72] netlink_unicast+0x449/0x710 [ 5761.827851][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.827851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.827851][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.827851][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.827851][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.827851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.827851][ T72] [ 5761.829763][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5761.830135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5761.830135][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5761.830135][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5761.830135][ T72] fib6_nh_init+0xa22/0x1580 [ 5761.830135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.830135][ T72] ip6_route_add+0x1c/0x140 [ 5761.830135][ T72] inet6_rtm_newroute+0x104/0x110 [ 5761.830135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.830135][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.830135][ T72] netlink_unicast+0x449/0x710 [ 5761.830135][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.830135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.830135][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.830135][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.830135][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.830135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.830135][ T72] [ 5761.832398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5761.832398][ T72] dst_init+0x84/0x4a0 [ 5761.832398][ T72] dst_alloc+0x97/0x150 [ 5761.832398][ T72] ip6_dst_alloc+0x23/0x90 [ 5761.832398][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5761.832398][ T72] ip6_pol_route+0x56f/0x840 [ 5761.832398][ T72] fib6_rule_lookup+0x456/0x630 [ 5761.832398][ T72] ip6_route_input+0x59c/0xa50 [ 5761.832398][ T72] ipv6_rcv+0x397/0x810 [ 5761.832398][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5761.832398][ T72] process_backlog+0x101/0x620 [ 5761.832398][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5761.832398][ T72] net_rx_action+0x495/0xbe0 [ 5761.832398][ T72] __do_softirq+0x1b5/0x7f6 [ 5761.832398][ T72] [ 5761.834394][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5761.834394][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.834394][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.834394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.834394][ T72] ip6_route_add+0x1c/0x140 [ 5761.834394][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5761.834394][ T72] inet6_addr_add+0x4f8/0xa40 [ 5761.834394][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.834394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.834394][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.834394][ T72] netlink_unicast+0x449/0x710 [ 5761.834394][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.834394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.834394][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.834394][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.834394][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.834394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.834394][ T72] [ 5761.836838][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5761.836838][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.836838][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.836838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.836838][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5761.836838][ T72] ipv6_add_addr+0x411/0x2000 [ 5761.836838][ T72] inet6_addr_add+0x30e/0xa40 [ 5761.836838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.836838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.836838][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.836838][ T72] netlink_unicast+0x449/0x710 [ 5761.836838][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.836838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.836838][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.836838][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.836838][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.836838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.836838][ T72] [ 5761.839297][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5761.839297][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.839297][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.839297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.839297][ T72] ip6_route_add+0x1c/0x140 [ 5761.839297][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5761.839297][ T72] addrconf_add_dev+0xe2/0x170 [ 5761.839297][ T72] inet6_addr_add+0x12f/0xa40 [ 5761.839297][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.839297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.839297][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.839297][ T72] netlink_unicast+0x449/0x710 [ 5761.839297][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.839297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.839297][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.839297][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.839297][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.839297][ T72] [ 5761.841717][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5761.841717][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5761.841717][ T72] ipv6_find_idev+0x102/0x170 [ 5761.841717][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.841717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.841717][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.841717][ T72] netlink_unicast+0x449/0x710 [ 5761.841717][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.841717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.841717][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.841717][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.841717][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.841717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.841717][ T72] [ 5761.843598][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5761.843598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5761.843598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5761.843598][ T72] ipv6_find_idev+0x102/0x170 [ 5761.843598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.843598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.843598][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.843598][ T72] netlink_unicast+0x449/0x710 [ 5761.843598][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.843598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.843598][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.843598][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.843598][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.843598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.843598][ T72] [ 5761.846172][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5761.846469][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5761.846469][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.846469][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.846469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.846469][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5761.846469][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5761.846469][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5761.846469][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5761.846469][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5761.846469][ T72] addrconf_dad_begin+0x310/0x670 [ 5761.846469][ T72] addrconf_dad_work+0x10b/0xab0 [ 5761.846469][ T72] process_one_work+0x84d/0x18a0 [ 5761.846469][ T72] worker_thread+0x587/0xd30 [ 5761.846469][ T72] kthread+0x28a/0x350 [ 5761.846469][ T72] ret_from_fork+0x31/0x70 [ 5761.846469][ T72] ret_from_fork_asm+0x1a/0x30 [ 5761.846469][ T72] [ 5761.848812][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5761.848812][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.848812][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.848812][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.848812][ T72] ip6_route_add+0x1c/0x140 [ 5761.848812][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5761.848812][ T72] inet6_addr_add+0x4f8/0xa40 [ 5761.848812][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.848812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.848812][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.848812][ T72] netlink_unicast+0x449/0x710 [ 5761.848812][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.848812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.848812][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.848812][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.848812][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.848812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.848812][ T72] [ 5761.851259][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5761.851259][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.851259][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.851259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.851259][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5761.851259][ T72] ipv6_add_addr+0x411/0x2000 [ 5761.851259][ T72] inet6_addr_add+0x30e/0xa40 [ 5761.851259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.851259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.851259][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.851259][ T72] netlink_unicast+0x449/0x710 [ 5761.851259][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.851259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.851259][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.851259][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.851259][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.851259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.851259][ T72] [ 5761.853779][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5761.853779][ T72] netdev_get_by_index+0x5e/0x80 [ 5761.853779][ T72] fib6_nh_init+0x3d8/0x1580 [ 5761.853779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5761.853779][ T72] ip6_route_add+0x1c/0x140 [ 5761.853779][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5761.853779][ T72] addrconf_add_dev+0xe2/0x170 [ 5761.853779][ T72] inet6_addr_add+0x12f/0xa40 [ 5761.853779][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.853779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.853779][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.853779][ T72] netlink_unicast+0x449/0x710 [ 5761.853779][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.853779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.853779][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.853779][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.853779][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.853779][ T72] [ 5761.856131][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5761.856131][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5761.856131][ T72] ipv6_find_idev+0x102/0x170 [ 5761.856131][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.856131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.856131][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.856131][ T72] netlink_unicast+0x449/0x710 [ 5761.856131][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.856131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.856131][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.856131][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.856131][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.856131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.856131][ T72] [ 5761.858018][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5761.858018][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5761.858018][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5761.858018][ T72] ipv6_find_idev+0x102/0x170 [ 5761.858018][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.858018][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.858018][ T72] netlink_rcv_skb+0x130/0x360 [ 5761.858018][ T72] netlink_unicast+0x449/0x710 [ 5761.858018][ T72] netlink_sendmsg+0x723/0xbe0 [ 5761.858018][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5761.858018][ T72] ___sys_sendmsg+0xee/0x170 [ 5761.858018][ T72] __sys_sendmsg+0xcd/0x170 [ 5761.858018][ T72] do_syscall_64+0xc6/0x1e0 [ 5761.858018][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.858018][ T72] [ 5772.096946][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5772.097461][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5772.097461][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5772.097461][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5772.097461][ T72] fib6_nh_init+0xa22/0x1580 [ 5772.097461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.097461][ T72] ip6_route_add+0x1c/0x140 [ 5772.097461][ T72] inet6_rtm_newroute+0x104/0x110 [ 5772.097461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.097461][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.097461][ T72] netlink_unicast+0x449/0x710 [ 5772.097461][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.097461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.097461][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.097461][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.097461][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.097461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.097461][ T72] [ 5772.099548][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5772.099548][ T72] dst_init+0x84/0x4a0 [ 5772.099548][ T72] dst_alloc+0x97/0x150 [ 5772.099548][ T72] ip6_dst_alloc+0x23/0x90 [ 5772.099548][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5772.099548][ T72] ip6_pol_route+0x56f/0x840 [ 5772.099548][ T72] fib6_rule_lookup+0x456/0x630 [ 5772.099548][ T72] ip6_route_input+0x59c/0xa50 [ 5772.099548][ T72] ipv6_rcv+0x397/0x810 [ 5772.099548][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5772.099548][ T72] process_backlog+0x101/0x620 [ 5772.099548][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5772.099548][ T72] net_rx_action+0x495/0xbe0 [ 5772.099548][ T72] __do_softirq+0x1b5/0x7f6 [ 5772.099548][ T72] [ 5772.101367][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5772.101367][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.101367][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.101367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.101367][ T72] ip6_route_add+0x1c/0x140 [ 5772.101367][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5772.101367][ T72] inet6_addr_add+0x4f8/0xa40 [ 5772.101367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.101367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.101367][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.101367][ T72] netlink_unicast+0x449/0x710 [ 5772.101367][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.101367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.101367][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.101367][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.101367][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.101367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.101367][ T72] [ 5772.103563][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5772.103563][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.103563][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.103563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.103563][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5772.103563][ T72] ipv6_add_addr+0x411/0x2000 [ 5772.103563][ T72] inet6_addr_add+0x30e/0xa40 [ 5772.103563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.103563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.103563][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.103563][ T72] netlink_unicast+0x449/0x710 [ 5772.103563][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.103563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.103563][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.103563][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.103563][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.103563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.103563][ T72] [ 5772.105756][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5772.105756][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.105756][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.105756][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.105756][ T72] ip6_route_add+0x1c/0x140 [ 5772.105756][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5772.105756][ T72] addrconf_add_dev+0xe2/0x170 [ 5772.105756][ T72] inet6_addr_add+0x12f/0xa40 [ 5772.105756][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.105756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.105756][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.105756][ T72] netlink_unicast+0x449/0x710 [ 5772.105756][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.105756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.105756][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.105756][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.105756][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.105756][ T72] [ 5772.107934][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5772.107934][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5772.107934][ T72] ipv6_find_idev+0x102/0x170 [ 5772.107934][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.107934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.107934][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.107934][ T72] netlink_unicast+0x449/0x710 [ 5772.107934][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.107934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.107934][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.107934][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.107934][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.107934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.107934][ T72] [ 5772.109620][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5772.109620][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5772.109620][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5772.109620][ T72] ipv6_find_idev+0x102/0x170 [ 5772.109620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.109620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.109620][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.109620][ T72] netlink_unicast+0x449/0x710 [ 5772.109620][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.109620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.109620][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.109620][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.109620][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.109620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.109620][ T72] [ 5772.139474][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5772.139783][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5772.139783][ T72] dst_init+0x84/0x4a0 [ 5772.139783][ T72] dst_alloc+0x97/0x150 [ 5772.139783][ T72] ip6_dst_alloc+0x23/0x90 [ 5772.139783][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5772.139783][ T72] ip6_pol_route+0x56f/0x840 [ 5772.139783][ T72] fib6_rule_lookup+0x456/0x630 [ 5772.139783][ T72] ip6_route_input+0x59c/0xa50 [ 5772.139783][ T72] ipv6_rcv+0x397/0x810 [ 5772.139783][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5772.139783][ T72] process_backlog+0x101/0x620 [ 5772.139783][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5772.139783][ T72] net_rx_action+0x495/0xbe0 [ 5772.139783][ T72] __do_softirq+0x1b5/0x7f6 [ 5772.139783][ T72] [ 5772.141604][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5772.141604][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.141604][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.141604][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.141604][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5772.141604][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5772.141604][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5772.141604][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5772.141604][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5772.141604][ T72] addrconf_dad_begin+0x310/0x670 [ 5772.141604][ T72] addrconf_dad_work+0x10b/0xab0 [ 5772.141604][ T72] process_one_work+0x84d/0x18a0 [ 5772.141604][ T72] worker_thread+0x587/0xd30 [ 5772.141604][ T72] kthread+0x28a/0x350 [ 5772.141604][ T72] ret_from_fork+0x31/0x70 [ 5772.141604][ T72] ret_from_fork_asm+0x1a/0x30 [ 5772.141604][ T72] [ 5772.143717][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5772.143717][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.143717][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.143717][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.143717][ T72] ip6_route_add+0x1c/0x140 [ 5772.143717][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5772.143717][ T72] inet6_addr_add+0x4f8/0xa40 [ 5772.143717][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.143717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.143717][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.143717][ T72] netlink_unicast+0x449/0x710 [ 5772.143717][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.143717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.143717][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.143717][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.143717][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.143717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.143717][ T72] [ 5772.145917][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5772.145917][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.145917][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.145917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.145917][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5772.145917][ T72] ipv6_add_addr+0x411/0x2000 [ 5772.145917][ T72] inet6_addr_add+0x30e/0xa40 [ 5772.145917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.145917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.145917][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.145917][ T72] netlink_unicast+0x449/0x710 [ 5772.145917][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.145917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.145917][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.145917][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.145917][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.145917][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.145917][ T72] [ 5772.148114][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5772.148114][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.148114][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.148114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.148114][ T72] ip6_route_add+0x1c/0x140 [ 5772.148114][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5772.148114][ T72] addrconf_add_dev+0xe2/0x170 [ 5772.148114][ T72] inet6_addr_add+0x12f/0xa40 [ 5772.148114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.148114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.148114][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.148114][ T72] netlink_unicast+0x449/0x710 [ 5772.148114][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.148114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.148114][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.148114][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.148114][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.148114][ T72] [ 5772.150283][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5772.150283][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5772.150283][ T72] ipv6_find_idev+0x102/0x170 [ 5772.150283][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.150283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.150283][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.150283][ T72] netlink_unicast+0x449/0x710 [ 5772.150283][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.150283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.150283][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.150283][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.150283][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.150283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.150283][ T72] [ 5772.151978][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5772.151978][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5772.151978][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5772.151978][ T72] ipv6_find_idev+0x102/0x170 [ 5772.151978][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.151978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.151978][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.151978][ T72] netlink_unicast+0x449/0x710 [ 5772.151978][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.151978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.151978][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.151978][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.151978][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.151978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.151978][ T72] [ 5772.153895][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5772.154242][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5772.154242][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5772.154242][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5772.154242][ T72] fib6_nh_init+0xa22/0x1580 [ 5772.154242][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.154242][ T72] ip6_route_add+0x1c/0x140 [ 5772.154242][ T72] inet6_rtm_newroute+0x104/0x110 [ 5772.154242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.154242][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.154242][ T72] netlink_unicast+0x449/0x710 [ 5772.154242][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.154242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.154242][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.154242][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.154242][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.154242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.154242][ T72] [ 5772.156554][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5772.156554][ T72] dst_init+0x84/0x4a0 [ 5772.156554][ T72] dst_alloc+0x97/0x150 [ 5772.156554][ T72] ip6_dst_alloc+0x23/0x90 [ 5772.156554][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5772.156554][ T72] ip6_pol_route+0x56f/0x840 [ 5772.156554][ T72] fib6_rule_lookup+0x456/0x630 [ 5772.156554][ T72] ip6_route_input+0x59c/0xa50 [ 5772.156554][ T72] ipv6_rcv+0x397/0x810 [ 5772.156554][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5772.156554][ T72] process_backlog+0x101/0x620 [ 5772.156554][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5772.156554][ T72] net_rx_action+0x495/0xbe0 [ 5772.156554][ T72] __do_softirq+0x1b5/0x7f6 [ 5772.156554][ T72] [ 5772.158534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5772.158534][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.158534][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.158534][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.158534][ T72] ip6_route_add+0x1c/0x140 [ 5772.158534][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5772.158534][ T72] inet6_addr_add+0x4f8/0xa40 [ 5772.158534][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.158534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.158534][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.158534][ T72] netlink_unicast+0x449/0x710 [ 5772.158534][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.158534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.158534][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.158534][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.158534][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.158534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.158534][ T72] [ 5772.160973][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5772.160973][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.160973][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.160973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.160973][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5772.160973][ T72] ipv6_add_addr+0x411/0x2000 [ 5772.160973][ T72] inet6_addr_add+0x30e/0xa40 [ 5772.160973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.160973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.160973][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.160973][ T72] netlink_unicast+0x449/0x710 [ 5772.160973][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.160973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.160973][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.160973][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.160973][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.160973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.160973][ T72] [ 5772.163426][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5772.163426][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.163426][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.163426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.163426][ T72] ip6_route_add+0x1c/0x140 [ 5772.163426][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5772.163426][ T72] addrconf_add_dev+0xe2/0x170 [ 5772.163426][ T72] inet6_addr_add+0x12f/0xa40 [ 5772.163426][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.163426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.163426][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.163426][ T72] netlink_unicast+0x449/0x710 [ 5772.163426][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.163426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.163426][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.163426][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.163426][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.163426][ T72] [ 5772.165901][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5772.165901][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5772.165901][ T72] ipv6_find_idev+0x102/0x170 [ 5772.165901][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.165901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.165901][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.165901][ T72] netlink_unicast+0x449/0x710 [ 5772.165901][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.165901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.165901][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.165901][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.165901][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.165901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.165901][ T72] [ 5772.167777][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5772.167777][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5772.167777][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5772.167777][ T72] ipv6_find_idev+0x102/0x170 [ 5772.167777][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.167777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.167777][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.167777][ T72] netlink_unicast+0x449/0x710 [ 5772.167777][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.167777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.167777][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.167777][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.167777][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.167777][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.167777][ T72] [ 5772.169841][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5772.170140][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5772.170140][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.170140][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.170140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.170140][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5772.170140][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5772.170140][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5772.170140][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5772.170140][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5772.170140][ T72] addrconf_dad_begin+0x310/0x670 [ 5772.170140][ T72] addrconf_dad_work+0x10b/0xab0 [ 5772.170140][ T72] process_one_work+0x84d/0x18a0 [ 5772.170140][ T72] worker_thread+0x587/0xd30 [ 5772.170140][ T72] kthread+0x28a/0x350 [ 5772.170140][ T72] ret_from_fork+0x31/0x70 [ 5772.170140][ T72] ret_from_fork_asm+0x1a/0x30 [ 5772.170140][ T72] [ 5772.172504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5772.172504][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.172504][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.172504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.172504][ T72] ip6_route_add+0x1c/0x140 [ 5772.172504][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5772.172504][ T72] inet6_addr_add+0x4f8/0xa40 [ 5772.172504][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.172504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.172504][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.172504][ T72] netlink_unicast+0x449/0x710 [ 5772.172504][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.172504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.172504][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.172504][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.172504][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.172504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.172504][ T72] [ 5772.174943][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5772.174943][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.174943][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.174943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.174943][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5772.174943][ T72] ipv6_add_addr+0x411/0x2000 [ 5772.174943][ T72] inet6_addr_add+0x30e/0xa40 [ 5772.174943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.174943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.174943][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.174943][ T72] netlink_unicast+0x449/0x710 [ 5772.174943][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.174943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.174943][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.174943][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.174943][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.174943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.174943][ T72] [ 5772.177447][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5772.177447][ T72] netdev_get_by_index+0x5e/0x80 [ 5772.177447][ T72] fib6_nh_init+0x3d8/0x1580 [ 5772.177447][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5772.177447][ T72] ip6_route_add+0x1c/0x140 [ 5772.177447][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5772.177447][ T72] addrconf_add_dev+0xe2/0x170 [ 5772.177447][ T72] inet6_addr_add+0x12f/0xa40 [ 5772.177447][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.177447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.177447][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.177447][ T72] netlink_unicast+0x449/0x710 [ 5772.177447][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.177447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.177447][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.177447][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.177447][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.177447][ T72] [ 5772.179799][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5772.179799][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5772.179799][ T72] ipv6_find_idev+0x102/0x170 [ 5772.179799][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.179799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.179799][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.179799][ T72] netlink_unicast+0x449/0x710 [ 5772.179799][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.179799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.179799][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.179799][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.179799][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.179799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.179799][ T72] [ 5772.181690][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5772.181690][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5772.181690][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5772.181690][ T72] ipv6_find_idev+0x102/0x170 [ 5772.181690][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.181690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.181690][ T72] netlink_rcv_skb+0x130/0x360 [ 5772.181690][ T72] netlink_unicast+0x449/0x710 [ 5772.181690][ T72] netlink_sendmsg+0x723/0xbe0 [ 5772.181690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5772.181690][ T72] ___sys_sendmsg+0xee/0x170 [ 5772.181690][ T72] __sys_sendmsg+0xcd/0x170 [ 5772.181690][ T72] do_syscall_64+0xc6/0x1e0 [ 5772.181690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.181690][ T72] [ 5782.336918][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5782.337376][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5782.337376][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5782.337376][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5782.337376][ T72] fib6_nh_init+0xa22/0x1580 [ 5782.337376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.337376][ T72] ip6_route_add+0x1c/0x140 [ 5782.337376][ T72] inet6_rtm_newroute+0x104/0x110 [ 5782.337376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.337376][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.337376][ T72] netlink_unicast+0x449/0x710 [ 5782.337376][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.337376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.337376][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.337376][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.337376][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.337376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.337376][ T72] [ 5782.339471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5782.339471][ T72] dst_init+0x84/0x4a0 [ 5782.339471][ T72] dst_alloc+0x97/0x150 [ 5782.339471][ T72] ip6_dst_alloc+0x23/0x90 [ 5782.339471][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5782.339471][ T72] ip6_pol_route+0x56f/0x840 [ 5782.339471][ T72] fib6_rule_lookup+0x456/0x630 [ 5782.339471][ T72] ip6_route_input+0x59c/0xa50 [ 5782.339471][ T72] ipv6_rcv+0x397/0x810 [ 5782.339471][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5782.339471][ T72] process_backlog+0x101/0x620 [ 5782.339471][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5782.339471][ T72] net_rx_action+0x495/0xbe0 [ 5782.339471][ T72] __do_softirq+0x1b5/0x7f6 [ 5782.339471][ T72] [ 5782.341290][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5782.341290][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.341290][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.341290][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.341290][ T72] ip6_route_add+0x1c/0x140 [ 5782.341290][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5782.341290][ T72] inet6_addr_add+0x4f8/0xa40 [ 5782.341290][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.341290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.341290][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.341290][ T72] netlink_unicast+0x449/0x710 [ 5782.341290][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.341290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.341290][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.341290][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.341290][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.341290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.341290][ T72] [ 5782.343502][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5782.343502][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.343502][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.343502][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.343502][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5782.343502][ T72] ipv6_add_addr+0x411/0x2000 [ 5782.343502][ T72] inet6_addr_add+0x30e/0xa40 [ 5782.343502][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.343502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.343502][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.343502][ T72] netlink_unicast+0x449/0x710 [ 5782.343502][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.343502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.343502][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.343502][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.343502][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.343502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.343502][ T72] [ 5782.345705][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5782.345705][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.345705][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.345705][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.345705][ T72] ip6_route_add+0x1c/0x140 [ 5782.345705][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5782.345705][ T72] addrconf_add_dev+0xe2/0x170 [ 5782.345705][ T72] inet6_addr_add+0x12f/0xa40 [ 5782.345705][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.345705][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.345705][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.345705][ T72] netlink_unicast+0x449/0x710 [ 5782.345705][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.345705][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.345705][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.345705][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.345705][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.345705][ T72] [ 5782.347884][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5782.347884][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5782.347884][ T72] ipv6_find_idev+0x102/0x170 [ 5782.347884][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.347884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.347884][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.347884][ T72] netlink_unicast+0x449/0x710 [ 5782.347884][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.347884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.347884][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.347884][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.347884][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.347884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.347884][ T72] [ 5782.349590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5782.349590][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5782.349590][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5782.349590][ T72] ipv6_find_idev+0x102/0x170 [ 5782.349590][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.349590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.349590][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.349590][ T72] netlink_unicast+0x449/0x710 [ 5782.349590][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.349590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.349590][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.349590][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.349590][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.349590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.349590][ T72] [ 5782.351465][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5782.351764][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5782.351764][ T72] dst_init+0x84/0x4a0 [ 5782.351764][ T72] dst_alloc+0x97/0x150 [ 5782.351764][ T72] ip6_dst_alloc+0x23/0x90 [ 5782.351764][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5782.351764][ T72] ip6_pol_route+0x56f/0x840 [ 5782.351764][ T72] fib6_rule_lookup+0x456/0x630 [ 5782.351764][ T72] ip6_route_input+0x59c/0xa50 [ 5782.351764][ T72] ipv6_rcv+0x397/0x810 [ 5782.351764][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5782.351764][ T72] process_backlog+0x101/0x620 [ 5782.351764][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5782.351764][ T72] net_rx_action+0x495/0xbe0 [ 5782.351764][ T72] __do_softirq+0x1b5/0x7f6 [ 5782.351764][ T72] [ 5782.353584][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5782.353584][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.353584][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.353584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.353584][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5782.353584][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5782.353584][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5782.353584][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5782.353584][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5782.353584][ T72] addrconf_dad_begin+0x310/0x670 [ 5782.353584][ T72] addrconf_dad_work+0x10b/0xab0 [ 5782.353584][ T72] process_one_work+0x84d/0x18a0 [ 5782.353584][ T72] worker_thread+0x587/0xd30 [ 5782.353584][ T72] kthread+0x28a/0x350 [ 5782.353584][ T72] ret_from_fork+0x31/0x70 [ 5782.353584][ T72] ret_from_fork_asm+0x1a/0x30 [ 5782.353584][ T72] [ 5782.355690][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5782.355690][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.355690][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.355690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.355690][ T72] ip6_route_add+0x1c/0x140 [ 5782.355690][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5782.355690][ T72] inet6_addr_add+0x4f8/0xa40 [ 5782.355690][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.355690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.355690][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.355690][ T72] netlink_unicast+0x449/0x710 [ 5782.355690][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.355690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.355690][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.355690][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.355690][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.355690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.355690][ T72] [ 5782.357890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5782.357890][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.357890][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.357890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.357890][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5782.357890][ T72] ipv6_add_addr+0x411/0x2000 [ 5782.357890][ T72] inet6_addr_add+0x30e/0xa40 [ 5782.357890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.357890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.357890][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.357890][ T72] netlink_unicast+0x449/0x710 [ 5782.357890][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.357890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.357890][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.357890][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.357890][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.357890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.357890][ T72] [ 5782.360092][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5782.360092][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.360092][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.360092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.360092][ T72] ip6_route_add+0x1c/0x140 [ 5782.360092][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5782.360092][ T72] addrconf_add_dev+0xe2/0x170 [ 5782.360092][ T72] inet6_addr_add+0x12f/0xa40 [ 5782.360092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.360092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.360092][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.360092][ T72] netlink_unicast+0x449/0x710 [ 5782.360092][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.360092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.360092][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.360092][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.360092][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.360092][ T72] [ 5782.362257][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5782.362257][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5782.362257][ T72] ipv6_find_idev+0x102/0x170 [ 5782.362257][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.362257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.362257][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.362257][ T72] netlink_unicast+0x449/0x710 [ 5782.362257][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.362257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.362257][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.362257][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.362257][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.362257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.362257][ T72] [ 5782.363950][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5782.363950][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5782.363950][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5782.363950][ T72] ipv6_find_idev+0x102/0x170 [ 5782.363950][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.363950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.363950][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.363950][ T72] netlink_unicast+0x449/0x710 [ 5782.363950][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.363950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.363950][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.363950][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.363950][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.363950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.363950][ T72] [ 5782.365863][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5782.366213][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5782.366213][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5782.366213][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5782.366213][ T72] fib6_nh_init+0xa22/0x1580 [ 5782.366213][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.366213][ T72] ip6_route_add+0x1c/0x140 [ 5782.366213][ T72] inet6_rtm_newroute+0x104/0x110 [ 5782.366213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.366213][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.366213][ T72] netlink_unicast+0x449/0x710 [ 5782.366213][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.366213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.366213][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.366213][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.366213][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.366213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.366213][ T72] [ 5782.368533][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5782.368533][ T72] dst_init+0x84/0x4a0 [ 5782.368533][ T72] dst_alloc+0x97/0x150 [ 5782.368533][ T72] ip6_dst_alloc+0x23/0x90 [ 5782.368533][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5782.368533][ T72] ip6_pol_route+0x56f/0x840 [ 5782.368533][ T72] fib6_rule_lookup+0x456/0x630 [ 5782.368533][ T72] ip6_route_input+0x59c/0xa50 [ 5782.368533][ T72] ipv6_rcv+0x397/0x810 [ 5782.368533][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5782.368533][ T72] process_backlog+0x101/0x620 [ 5782.368533][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5782.368533][ T72] net_rx_action+0x495/0xbe0 [ 5782.368533][ T72] __do_softirq+0x1b5/0x7f6 [ 5782.368533][ T72] [ 5782.370546][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5782.370546][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.370546][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.370546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.370546][ T72] ip6_route_add+0x1c/0x140 [ 5782.370546][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5782.370546][ T72] inet6_addr_add+0x4f8/0xa40 [ 5782.370546][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.370546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.370546][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.370546][ T72] netlink_unicast+0x449/0x710 [ 5782.370546][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.370546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.370546][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.370546][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.370546][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.370546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.370546][ T72] [ 5782.372984][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5782.372984][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.372984][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.372984][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.372984][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5782.372984][ T72] ipv6_add_addr+0x411/0x2000 [ 5782.372984][ T72] inet6_addr_add+0x30e/0xa40 [ 5782.372984][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.372984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.372984][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.372984][ T72] netlink_unicast+0x449/0x710 [ 5782.372984][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.372984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.372984][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.372984][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.372984][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.372984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.372984][ T72] [ 5782.375220][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5782.375220][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.375220][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.375220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.375220][ T72] ip6_route_add+0x1c/0x140 [ 5782.375220][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5782.375220][ T72] addrconf_add_dev+0xe2/0x170 [ 5782.375220][ T72] inet6_addr_add+0x12f/0xa40 [ 5782.375220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.375220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.375220][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.375220][ T72] netlink_unicast+0x449/0x710 [ 5782.375220][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.375220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.375220][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.375220][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.375220][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.375220][ T72] [ 5782.377471][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5782.377471][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5782.377471][ T72] ipv6_find_idev+0x102/0x170 [ 5782.377471][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.377471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.377471][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.377471][ T72] netlink_unicast+0x449/0x710 [ 5782.377471][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.377471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.377471][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.377471][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.377471][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.377471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.377471][ T72] [ 5782.379179][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5782.379179][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5782.379179][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5782.379179][ T72] ipv6_find_idev+0x102/0x170 [ 5782.379179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.379179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.379179][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.379179][ T72] netlink_unicast+0x449/0x710 [ 5782.379179][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.379179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.379179][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.379179][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.379179][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.379179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.379179][ T72] [ 5782.381042][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5782.381320][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5782.381320][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.381320][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.381320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.381320][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5782.381320][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5782.381320][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5782.381320][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5782.381320][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5782.381320][ T72] addrconf_dad_begin+0x310/0x670 [ 5782.381320][ T72] addrconf_dad_work+0x10b/0xab0 [ 5782.381320][ T72] process_one_work+0x84d/0x18a0 [ 5782.381320][ T72] worker_thread+0x587/0xd30 [ 5782.381320][ T72] kthread+0x28a/0x350 [ 5782.381320][ T72] ret_from_fork+0x31/0x70 [ 5782.381320][ T72] ret_from_fork_asm+0x1a/0x30 [ 5782.381320][ T72] [ 5782.383467][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5782.383467][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.383467][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.383467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.383467][ T72] ip6_route_add+0x1c/0x140 [ 5782.383467][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5782.383467][ T72] inet6_addr_add+0x4f8/0xa40 [ 5782.383467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.383467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.383467][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.383467][ T72] netlink_unicast+0x449/0x710 [ 5782.383467][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.383467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.383467][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.383467][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.383467][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.383467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.383467][ T72] [ 5782.385695][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5782.385695][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.385695][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.385695][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.385695][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5782.385695][ T72] ipv6_add_addr+0x411/0x2000 [ 5782.385695][ T72] inet6_addr_add+0x30e/0xa40 [ 5782.385695][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.385695][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.385695][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.385695][ T72] netlink_unicast+0x449/0x710 [ 5782.385695][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.385695][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.385695][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.385695][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.385695][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.385695][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.385695][ T72] [ 5782.387983][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5782.387983][ T72] netdev_get_by_index+0x5e/0x80 [ 5782.387983][ T72] fib6_nh_init+0x3d8/0x1580 [ 5782.387983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5782.387983][ T72] ip6_route_add+0x1c/0x140 [ 5782.387983][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5782.387983][ T72] addrconf_add_dev+0xe2/0x170 [ 5782.387983][ T72] inet6_addr_add+0x12f/0xa40 [ 5782.387983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.387983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.387983][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.387983][ T72] netlink_unicast+0x449/0x710 [ 5782.387983][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.387983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.387983][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.387983][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.387983][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.387983][ T72] [ 5782.390112][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5782.390112][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5782.390112][ T72] ipv6_find_idev+0x102/0x170 [ 5782.390112][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.390112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.390112][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.390112][ T72] netlink_unicast+0x449/0x710 [ 5782.390112][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.390112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.390112][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.390112][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.390112][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.390112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.390112][ T72] [ 5782.391824][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5782.391824][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5782.391824][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5782.391824][ T72] ipv6_find_idev+0x102/0x170 [ 5782.391824][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.391824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.391824][ T72] netlink_rcv_skb+0x130/0x360 [ 5782.391824][ T72] netlink_unicast+0x449/0x710 [ 5782.391824][ T72] netlink_sendmsg+0x723/0xbe0 [ 5782.391824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5782.391824][ T72] ___sys_sendmsg+0xee/0x170 [ 5782.391824][ T72] __sys_sendmsg+0xcd/0x170 [ 5782.391824][ T72] do_syscall_64+0xc6/0x1e0 [ 5782.391824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.391824][ T72] [ 5792.625072][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5792.625559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5792.625559][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5792.625559][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5792.625559][ T72] fib6_nh_init+0xa22/0x1580 [ 5792.625559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.625559][ T72] ip6_route_add+0x1c/0x140 [ 5792.625559][ T72] inet6_rtm_newroute+0x104/0x110 [ 5792.625559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.625559][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.625559][ T72] netlink_unicast+0x449/0x710 [ 5792.625559][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.625559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.625559][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.625559][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.625559][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.625559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.625559][ T72] [ 5792.627961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5792.627961][ T72] dst_init+0x84/0x4a0 [ 5792.627961][ T72] dst_alloc+0x97/0x150 [ 5792.627961][ T72] ip6_dst_alloc+0x23/0x90 [ 5792.627961][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5792.627961][ T72] ip6_pol_route+0x56f/0x840 [ 5792.627961][ T72] fib6_rule_lookup+0x456/0x630 [ 5792.627961][ T72] ip6_route_input+0x59c/0xa50 [ 5792.627961][ T72] ipv6_rcv+0x397/0x810 [ 5792.627961][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5792.627961][ T72] process_backlog+0x101/0x620 [ 5792.627961][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5792.627961][ T72] net_rx_action+0x495/0xbe0 [ 5792.627961][ T72] __do_softirq+0x1b5/0x7f6 [ 5792.627961][ T72] [ 5792.629556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5792.629556][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.629556][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.629556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.629556][ T72] ip6_route_add+0x1c/0x140 [ 5792.629556][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5792.629556][ T72] inet6_addr_add+0x4f8/0xa40 [ 5792.629556][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.629556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.629556][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.629556][ T72] netlink_unicast+0x449/0x710 [ 5792.629556][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.629556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.629556][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.629556][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.629556][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.629556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.629556][ T72] [ 5792.631526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5792.631526][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.631526][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.631526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.631526][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5792.631526][ T72] ipv6_add_addr+0x411/0x2000 [ 5792.631526][ T72] inet6_addr_add+0x30e/0xa40 [ 5792.631526][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.631526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.631526][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.631526][ T72] netlink_unicast+0x449/0x710 [ 5792.631526][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.631526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.631526][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.631526][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.631526][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.631526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.631526][ T72] [ 5792.661668][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5792.661668][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.661668][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.661668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.661668][ T72] ip6_route_add+0x1c/0x140 [ 5792.661668][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5792.661668][ T72] addrconf_add_dev+0xe2/0x170 [ 5792.661668][ T72] inet6_addr_add+0x12f/0xa40 [ 5792.661668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.661668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.661668][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.661668][ T72] netlink_unicast+0x449/0x710 [ 5792.661668][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.661668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.661668][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.661668][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.661668][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.661668][ T72] [ 5792.663629][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5792.663629][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5792.663629][ T72] ipv6_find_idev+0x102/0x170 [ 5792.663629][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.663629][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.663629][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.663629][ T72] netlink_unicast+0x449/0x710 [ 5792.663629][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.663629][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.663629][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.663629][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.663629][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.663629][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.663629][ T72] [ 5792.665161][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5792.665161][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5792.665161][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5792.665161][ T72] ipv6_find_idev+0x102/0x170 [ 5792.665161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.665161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.665161][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.665161][ T72] netlink_unicast+0x449/0x710 [ 5792.665161][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.665161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.665161][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.665161][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.665161][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.665161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.665161][ T72] [ 5792.666834][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5792.667124][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5792.667124][ T72] dst_init+0x84/0x4a0 [ 5792.667124][ T72] dst_alloc+0x97/0x150 [ 5792.667124][ T72] ip6_dst_alloc+0x23/0x90 [ 5792.667124][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5792.667124][ T72] ip6_pol_route+0x56f/0x840 [ 5792.667124][ T72] fib6_rule_lookup+0x456/0x630 [ 5792.667124][ T72] ip6_route_input+0x59c/0xa50 [ 5792.667124][ T72] ipv6_rcv+0x397/0x810 [ 5792.667124][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5792.667124][ T72] process_backlog+0x101/0x620 [ 5792.667124][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5792.667124][ T72] net_rx_action+0x495/0xbe0 [ 5792.667124][ T72] __do_softirq+0x1b5/0x7f6 [ 5792.667124][ T72] [ 5792.668759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5792.668759][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.668759][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.668759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.668759][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5792.668759][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5792.668759][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5792.668759][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5792.668759][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5792.668759][ T72] addrconf_dad_begin+0x310/0x670 [ 5792.668759][ T72] addrconf_dad_work+0x10b/0xab0 [ 5792.668759][ T72] process_one_work+0x84d/0x18a0 [ 5792.668759][ T72] worker_thread+0x587/0xd30 [ 5792.668759][ T72] kthread+0x28a/0x350 [ 5792.668759][ T72] ret_from_fork+0x31/0x70 [ 5792.668759][ T72] ret_from_fork_asm+0x1a/0x30 [ 5792.668759][ T72] [ 5792.670677][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5792.670677][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.670677][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.670677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.670677][ T72] ip6_route_add+0x1c/0x140 [ 5792.670677][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5792.670677][ T72] inet6_addr_add+0x4f8/0xa40 [ 5792.670677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.670677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.670677][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.670677][ T72] netlink_unicast+0x449/0x710 [ 5792.670677][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.670677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.670677][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.670677][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.670677][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.670677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.670677][ T72] [ 5792.672690][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5792.672690][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.672690][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.672690][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.672690][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5792.672690][ T72] ipv6_add_addr+0x411/0x2000 [ 5792.672690][ T72] inet6_addr_add+0x30e/0xa40 [ 5792.672690][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.672690][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.672690][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.672690][ T72] netlink_unicast+0x449/0x710 [ 5792.672690][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.672690][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.672690][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.672690][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.672690][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.672690][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.672690][ T72] [ 5792.674680][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5792.674680][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.674680][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.674680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.674680][ T72] ip6_route_add+0x1c/0x140 [ 5792.674680][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5792.674680][ T72] addrconf_add_dev+0xe2/0x170 [ 5792.674680][ T72] inet6_addr_add+0x12f/0xa40 [ 5792.674680][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.674680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.674680][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.674680][ T72] netlink_unicast+0x449/0x710 [ 5792.674680][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.674680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.674680][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.674680][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.674680][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.674680][ T72] [ 5792.676636][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5792.676636][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5792.676636][ T72] ipv6_find_idev+0x102/0x170 [ 5792.676636][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.676636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.676636][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.676636][ T72] netlink_unicast+0x449/0x710 [ 5792.676636][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.676636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.676636][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.676636][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.676636][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.676636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.676636][ T72] [ 5792.678162][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5792.678162][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5792.678162][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5792.678162][ T72] ipv6_find_idev+0x102/0x170 [ 5792.678162][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.678162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.678162][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.678162][ T72] netlink_unicast+0x449/0x710 [ 5792.678162][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.678162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.678162][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.678162][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.678162][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.678162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.678162][ T72] [ 5792.679925][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5792.680265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5792.680265][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5792.680265][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5792.680265][ T72] fib6_nh_init+0xa22/0x1580 [ 5792.680265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.680265][ T72] ip6_route_add+0x1c/0x140 [ 5792.680265][ T72] inet6_rtm_newroute+0x104/0x110 [ 5792.680265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.680265][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.680265][ T72] netlink_unicast+0x449/0x710 [ 5792.680265][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.680265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.680265][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.680265][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.680265][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.680265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.680265][ T72] [ 5792.682373][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5792.682373][ T72] dst_init+0x84/0x4a0 [ 5792.682373][ T72] dst_alloc+0x97/0x150 [ 5792.682373][ T72] ip6_dst_alloc+0x23/0x90 [ 5792.682373][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5792.682373][ T72] ip6_pol_route+0x56f/0x840 [ 5792.682373][ T72] fib6_rule_lookup+0x456/0x630 [ 5792.682373][ T72] ip6_route_input+0x59c/0xa50 [ 5792.682373][ T72] ipv6_rcv+0x397/0x810 [ 5792.682373][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5792.682373][ T72] process_backlog+0x101/0x620 [ 5792.682373][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5792.682373][ T72] net_rx_action+0x495/0xbe0 [ 5792.682373][ T72] __do_softirq+0x1b5/0x7f6 [ 5792.682373][ T72] [ 5792.684161][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5792.684161][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.684161][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.684161][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.684161][ T72] ip6_route_add+0x1c/0x140 [ 5792.684161][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5792.684161][ T72] inet6_addr_add+0x4f8/0xa40 [ 5792.684161][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.684161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.684161][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.684161][ T72] netlink_unicast+0x449/0x710 [ 5792.684161][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.684161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.684161][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.684161][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.684161][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.684161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.684161][ T72] [ 5792.686395][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5792.686395][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.686395][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.686395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.686395][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5792.686395][ T72] ipv6_add_addr+0x411/0x2000 [ 5792.686395][ T72] inet6_addr_add+0x30e/0xa40 [ 5792.686395][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.686395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.686395][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.686395][ T72] netlink_unicast+0x449/0x710 [ 5792.686395][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.686395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.686395][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.686395][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.686395][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.686395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.686395][ T72] [ 5792.688591][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5792.688591][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.688591][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.688591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.688591][ T72] ip6_route_add+0x1c/0x140 [ 5792.688591][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5792.688591][ T72] addrconf_add_dev+0xe2/0x170 [ 5792.688591][ T72] inet6_addr_add+0x12f/0xa40 [ 5792.688591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.688591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.688591][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.688591][ T72] netlink_unicast+0x449/0x710 [ 5792.688591][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.688591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.688591][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.688591][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.688591][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.688591][ T72] [ 5792.718654][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5792.718654][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5792.718654][ T72] ipv6_find_idev+0x102/0x170 [ 5792.718654][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.718654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.718654][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.718654][ T72] netlink_unicast+0x449/0x710 [ 5792.718654][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.718654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.718654][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.718654][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.718654][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.718654][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.718654][ T72] [ 5792.720369][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5792.720369][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5792.720369][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5792.720369][ T72] ipv6_find_idev+0x102/0x170 [ 5792.720369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.720369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.720369][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.720369][ T72] netlink_unicast+0x449/0x710 [ 5792.720369][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.720369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.720369][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.720369][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.720369][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.720369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.720369][ T72] [ 5792.722256][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5792.722536][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5792.722536][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.722536][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.722536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.722536][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5792.722536][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5792.722536][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5792.722536][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5792.722536][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5792.722536][ T72] addrconf_dad_begin+0x310/0x670 [ 5792.722536][ T72] addrconf_dad_work+0x10b/0xab0 [ 5792.722536][ T72] process_one_work+0x84d/0x18a0 [ 5792.722536][ T72] worker_thread+0x587/0xd30 [ 5792.722536][ T72] kthread+0x28a/0x350 [ 5792.722536][ T72] ret_from_fork+0x31/0x70 [ 5792.722536][ T72] ret_from_fork_asm+0x1a/0x30 [ 5792.722536][ T72] [ 5792.724678][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5792.724678][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.724678][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.724678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.724678][ T72] ip6_route_add+0x1c/0x140 [ 5792.724678][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5792.724678][ T72] inet6_addr_add+0x4f8/0xa40 [ 5792.724678][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.724678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.724678][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.724678][ T72] netlink_unicast+0x449/0x710 [ 5792.724678][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.724678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.724678][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.724678][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.724678][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.724678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.724678][ T72] [ 5792.726904][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5792.726904][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.726904][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.726904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.726904][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5792.726904][ T72] ipv6_add_addr+0x411/0x2000 [ 5792.726904][ T72] inet6_addr_add+0x30e/0xa40 [ 5792.726904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.726904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.726904][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.726904][ T72] netlink_unicast+0x449/0x710 [ 5792.726904][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.726904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.726904][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.726904][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.726904][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.726904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.726904][ T72] [ 5792.729160][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5792.729160][ T72] netdev_get_by_index+0x5e/0x80 [ 5792.729160][ T72] fib6_nh_init+0x3d8/0x1580 [ 5792.729160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5792.729160][ T72] ip6_route_add+0x1c/0x140 [ 5792.729160][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5792.729160][ T72] addrconf_add_dev+0xe2/0x170 [ 5792.729160][ T72] inet6_addr_add+0x12f/0xa40 [ 5792.729160][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.729160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.729160][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.729160][ T72] netlink_unicast+0x449/0x710 [ 5792.729160][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.729160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.729160][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.729160][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.729160][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.729160][ T72] [ 5792.731277][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5792.731277][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5792.731277][ T72] ipv6_find_idev+0x102/0x170 [ 5792.731277][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.731277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.731277][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.731277][ T72] netlink_unicast+0x449/0x710 [ 5792.731277][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.731277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.731277][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.731277][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.731277][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.731277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.731277][ T72] [ 5792.732995][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5792.732995][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5792.732995][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5792.732995][ T72] ipv6_find_idev+0x102/0x170 [ 5792.732995][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.732995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.732995][ T72] netlink_rcv_skb+0x130/0x360 [ 5792.732995][ T72] netlink_unicast+0x449/0x710 [ 5792.732995][ T72] netlink_sendmsg+0x723/0xbe0 [ 5792.732995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5792.732995][ T72] ___sys_sendmsg+0xee/0x170 [ 5792.732995][ T72] __sys_sendmsg+0xcd/0x170 [ 5792.732995][ T72] do_syscall_64+0xc6/0x1e0 [ 5792.732995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.732995][ T72] [ 5802.960981][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5802.961442][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5802.961442][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5802.961442][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5802.961442][ T72] fib6_nh_init+0xa22/0x1580 [ 5802.961442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.961442][ T72] ip6_route_add+0x1c/0x140 [ 5802.961442][ T72] inet6_rtm_newroute+0x104/0x110 [ 5802.961442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.961442][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.961442][ T72] netlink_unicast+0x449/0x710 [ 5802.961442][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.961442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.961442][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.961442][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.961442][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.961442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.961442][ T72] [ 5802.963290][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5802.963290][ T72] dst_init+0x84/0x4a0 [ 5802.963290][ T72] dst_alloc+0x97/0x150 [ 5802.963290][ T72] ip6_dst_alloc+0x23/0x90 [ 5802.963290][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5802.963290][ T72] ip6_pol_route+0x56f/0x840 [ 5802.963290][ T72] fib6_rule_lookup+0x456/0x630 [ 5802.963290][ T72] ip6_route_input+0x59c/0xa50 [ 5802.963290][ T72] ipv6_rcv+0x397/0x810 [ 5802.963290][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5802.963290][ T72] process_backlog+0x101/0x620 [ 5802.963290][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5802.963290][ T72] net_rx_action+0x495/0xbe0 [ 5802.963290][ T72] __do_softirq+0x1b5/0x7f6 [ 5802.963290][ T72] [ 5802.964875][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5802.964875][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.964875][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.964875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.964875][ T72] ip6_route_add+0x1c/0x140 [ 5802.964875][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5802.964875][ T72] inet6_addr_add+0x4f8/0xa40 [ 5802.964875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.964875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.964875][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.964875][ T72] netlink_unicast+0x449/0x710 [ 5802.964875][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.964875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.964875][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.964875][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.964875][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.964875][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.964875][ T72] [ 5802.966887][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5802.966887][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.966887][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.966887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.966887][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5802.966887][ T72] ipv6_add_addr+0x411/0x2000 [ 5802.966887][ T72] inet6_addr_add+0x30e/0xa40 [ 5802.966887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.966887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.966887][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.966887][ T72] netlink_unicast+0x449/0x710 [ 5802.966887][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.966887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.966887][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.966887][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.966887][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.966887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.966887][ T72] [ 5802.968917][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5802.968917][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.968917][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.968917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.968917][ T72] ip6_route_add+0x1c/0x140 [ 5802.968917][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5802.968917][ T72] addrconf_add_dev+0xe2/0x170 [ 5802.968917][ T72] inet6_addr_add+0x12f/0xa40 [ 5802.968917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.968917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.968917][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.968917][ T72] netlink_unicast+0x449/0x710 [ 5802.968917][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.968917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.968917][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.968917][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.968917][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.968917][ T72] [ 5802.970850][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5802.970850][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5802.970850][ T72] ipv6_find_idev+0x102/0x170 [ 5802.970850][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.970850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.970850][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.970850][ T72] netlink_unicast+0x449/0x710 [ 5802.970850][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.970850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.970850][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.970850][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.970850][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.970850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.970850][ T72] [ 5802.972401][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5802.972401][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5802.972401][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5802.972401][ T72] ipv6_find_idev+0x102/0x170 [ 5802.972401][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.972401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.972401][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.972401][ T72] netlink_unicast+0x449/0x710 [ 5802.972401][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.972401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.972401][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.972401][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.972401][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.972401][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.972401][ T72] [ 5802.974105][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5802.974371][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5802.974371][ T72] dst_init+0x84/0x4a0 [ 5802.974371][ T72] dst_alloc+0x97/0x150 [ 5802.974371][ T72] ip6_dst_alloc+0x23/0x90 [ 5802.974371][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5802.974371][ T72] ip6_pol_route+0x56f/0x840 [ 5802.974371][ T72] fib6_rule_lookup+0x456/0x630 [ 5802.974371][ T72] ip6_route_input+0x59c/0xa50 [ 5802.974371][ T72] ipv6_rcv+0x397/0x810 [ 5802.974371][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5802.974371][ T72] process_backlog+0x101/0x620 [ 5802.974371][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5802.974371][ T72] net_rx_action+0x495/0xbe0 [ 5802.974371][ T72] __do_softirq+0x1b5/0x7f6 [ 5802.974371][ T72] [ 5802.975970][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5802.975970][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.975970][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.975970][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.975970][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5802.975970][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5802.975970][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5802.975970][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5802.975970][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5802.975970][ T72] addrconf_dad_begin+0x310/0x670 [ 5802.975970][ T72] addrconf_dad_work+0x10b/0xab0 [ 5802.975970][ T72] process_one_work+0x84d/0x18a0 [ 5802.975970][ T72] worker_thread+0x587/0xd30 [ 5802.975970][ T72] kthread+0x28a/0x350 [ 5802.975970][ T72] ret_from_fork+0x31/0x70 [ 5802.975970][ T72] ret_from_fork_asm+0x1a/0x30 [ 5802.975970][ T72] [ 5802.977877][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5802.977877][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.977877][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.977877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.977877][ T72] ip6_route_add+0x1c/0x140 [ 5802.977877][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5802.977877][ T72] inet6_addr_add+0x4f8/0xa40 [ 5802.977877][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.977877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.977877][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.977877][ T72] netlink_unicast+0x449/0x710 [ 5802.977877][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.977877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.977877][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.977877][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.977877][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.977877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.977877][ T72] [ 5802.979872][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5802.979872][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.979872][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.979872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.979872][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5802.979872][ T72] ipv6_add_addr+0x411/0x2000 [ 5802.979872][ T72] inet6_addr_add+0x30e/0xa40 [ 5802.979872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.979872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.979872][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.979872][ T72] netlink_unicast+0x449/0x710 [ 5802.979872][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.979872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.979872][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.979872][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.979872][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.979872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.979872][ T72] [ 5802.981876][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5802.981876][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.981876][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.981876][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.981876][ T72] ip6_route_add+0x1c/0x140 [ 5802.981876][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5802.981876][ T72] addrconf_add_dev+0xe2/0x170 [ 5802.981876][ T72] inet6_addr_add+0x12f/0xa40 [ 5802.981876][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.981876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.981876][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.981876][ T72] netlink_unicast+0x449/0x710 [ 5802.981876][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.981876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.981876][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.981876][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.981876][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.981876][ T72] [ 5802.983785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5802.983785][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5802.983785][ T72] ipv6_find_idev+0x102/0x170 [ 5802.983785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.983785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.983785][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.983785][ T72] netlink_unicast+0x449/0x710 [ 5802.983785][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.983785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.983785][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.983785][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.983785][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.983785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.983785][ T72] [ 5802.985269][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5802.985269][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5802.985269][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5802.985269][ T72] ipv6_find_idev+0x102/0x170 [ 5802.985269][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.985269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.985269][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.985269][ T72] netlink_unicast+0x449/0x710 [ 5802.985269][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.985269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.985269][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.985269][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.985269][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.985269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.985269][ T72] [ 5802.986993][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5802.987275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5802.987275][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5802.987275][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5802.987275][ T72] fib6_nh_init+0xa22/0x1580 [ 5802.987275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.987275][ T72] ip6_route_add+0x1c/0x140 [ 5802.987275][ T72] inet6_rtm_newroute+0x104/0x110 [ 5802.987275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.987275][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.987275][ T72] netlink_unicast+0x449/0x710 [ 5802.987275][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.987275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.987275][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.987275][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.987275][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.987275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.987275][ T72] [ 5802.989407][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5802.989407][ T72] dst_init+0x84/0x4a0 [ 5802.989407][ T72] dst_alloc+0x97/0x150 [ 5802.989407][ T72] ip6_dst_alloc+0x23/0x90 [ 5802.989407][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5802.989407][ T72] ip6_pol_route+0x56f/0x840 [ 5802.989407][ T72] fib6_rule_lookup+0x456/0x630 [ 5802.989407][ T72] ip6_route_input+0x59c/0xa50 [ 5802.989407][ T72] ipv6_rcv+0x397/0x810 [ 5802.989407][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5802.989407][ T72] process_backlog+0x101/0x620 [ 5802.989407][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5802.989407][ T72] net_rx_action+0x495/0xbe0 [ 5802.989407][ T72] __do_softirq+0x1b5/0x7f6 [ 5802.989407][ T72] [ 5802.991212][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5802.991212][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.991212][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.991212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.991212][ T72] ip6_route_add+0x1c/0x140 [ 5802.991212][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5802.991212][ T72] inet6_addr_add+0x4f8/0xa40 [ 5802.991212][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.991212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.991212][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.991212][ T72] netlink_unicast+0x449/0x710 [ 5802.991212][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.991212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.991212][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.991212][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.991212][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.991212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.991212][ T72] [ 5802.993358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5802.993358][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.993358][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.993358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.993358][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5802.993358][ T72] ipv6_add_addr+0x411/0x2000 [ 5802.993358][ T72] inet6_addr_add+0x30e/0xa40 [ 5802.993358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.993358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.993358][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.993358][ T72] netlink_unicast+0x449/0x710 [ 5802.993358][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.993358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.993358][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.993358][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.993358][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.993358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.993358][ T72] [ 5802.995975][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5802.995975][ T72] netdev_get_by_index+0x5e/0x80 [ 5802.995975][ T72] fib6_nh_init+0x3d8/0x1580 [ 5802.995975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5802.995975][ T72] ip6_route_add+0x1c/0x140 [ 5802.995975][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5802.995975][ T72] addrconf_add_dev+0xe2/0x170 [ 5802.995975][ T72] inet6_addr_add+0x12f/0xa40 [ 5802.995975][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.995975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.995975][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.995975][ T72] netlink_unicast+0x449/0x710 [ 5802.995975][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.995975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.995975][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.995975][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.995975][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.995975][ T72] [ 5802.998195][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5802.998195][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5802.998195][ T72] ipv6_find_idev+0x102/0x170 [ 5802.998195][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.998195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.998195][ T72] netlink_rcv_skb+0x130/0x360 [ 5802.998195][ T72] netlink_unicast+0x449/0x710 [ 5802.998195][ T72] netlink_sendmsg+0x723/0xbe0 [ 5802.998195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5802.998195][ T72] ___sys_sendmsg+0xee/0x170 [ 5802.998195][ T72] __sys_sendmsg+0xcd/0x170 [ 5802.998195][ T72] do_syscall_64+0xc6/0x1e0 [ 5802.998195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.998195][ T72] [ 5803.029621][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5803.029621][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5803.029621][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5803.029621][ T72] ipv6_find_idev+0x102/0x170 [ 5803.029621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5803.029621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.029621][ T72] netlink_rcv_skb+0x130/0x360 [ 5803.029621][ T72] netlink_unicast+0x449/0x710 [ 5803.029621][ T72] netlink_sendmsg+0x723/0xbe0 [ 5803.029621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5803.029621][ T72] ___sys_sendmsg+0xee/0x170 [ 5803.029621][ T72] __sys_sendmsg+0xcd/0x170 [ 5803.029621][ T72] do_syscall_64+0xc6/0x1e0 [ 5803.029621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.029621][ T72] [ 5803.031507][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5803.031879][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5803.031879][ T72] netdev_get_by_index+0x5e/0x80 [ 5803.031879][ T72] fib6_nh_init+0x3d8/0x1580 [ 5803.031879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5803.031879][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5803.031879][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5803.031879][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5803.031879][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5803.031879][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5803.031879][ T72] addrconf_dad_begin+0x310/0x670 [ 5803.031879][ T72] addrconf_dad_work+0x10b/0xab0 [ 5803.031879][ T72] process_one_work+0x84d/0x18a0 [ 5803.031879][ T72] worker_thread+0x587/0xd30 [ 5803.031879][ T72] kthread+0x28a/0x350 [ 5803.031879][ T72] ret_from_fork+0x31/0x70 [ 5803.031879][ T72] ret_from_fork_asm+0x1a/0x30 [ 5803.031879][ T72] [ 5803.033959][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5803.033959][ T72] netdev_get_by_index+0x5e/0x80 [ 5803.033959][ T72] fib6_nh_init+0x3d8/0x1580 [ 5803.033959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5803.033959][ T72] ip6_route_add+0x1c/0x140 [ 5803.033959][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5803.033959][ T72] inet6_addr_add+0x4f8/0xa40 [ 5803.033959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.033959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.033959][ T72] netlink_rcv_skb+0x130/0x360 [ 5803.033959][ T72] netlink_unicast+0x449/0x710 [ 5803.033959][ T72] netlink_sendmsg+0x723/0xbe0 [ 5803.033959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5803.033959][ T72] ___sys_sendmsg+0xee/0x170 [ 5803.033959][ T72] __sys_sendmsg+0xcd/0x170 [ 5803.033959][ T72] do_syscall_64+0xc6/0x1e0 [ 5803.033959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.033959][ T72] [ 5803.036201][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5803.036201][ T72] netdev_get_by_index+0x5e/0x80 [ 5803.036201][ T72] fib6_nh_init+0x3d8/0x1580 [ 5803.036201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5803.036201][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5803.036201][ T72] ipv6_add_addr+0x411/0x2000 [ 5803.036201][ T72] inet6_addr_add+0x30e/0xa40 [ 5803.036201][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.036201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.036201][ T72] netlink_rcv_skb+0x130/0x360 [ 5803.036201][ T72] netlink_unicast+0x449/0x710 [ 5803.036201][ T72] netlink_sendmsg+0x723/0xbe0 [ 5803.036201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5803.036201][ T72] ___sys_sendmsg+0xee/0x170 [ 5803.036201][ T72] __sys_sendmsg+0xcd/0x170 [ 5803.036201][ T72] do_syscall_64+0xc6/0x1e0 [ 5803.036201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.036201][ T72] [ 5803.038495][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5803.038495][ T72] netdev_get_by_index+0x5e/0x80 [ 5803.038495][ T72] fib6_nh_init+0x3d8/0x1580 [ 5803.038495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5803.038495][ T72] ip6_route_add+0x1c/0x140 [ 5803.038495][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5803.038495][ T72] addrconf_add_dev+0xe2/0x170 [ 5803.038495][ T72] inet6_addr_add+0x12f/0xa40 [ 5803.038495][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.038495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.038495][ T72] netlink_rcv_skb+0x130/0x360 [ 5803.038495][ T72] netlink_unicast+0x449/0x710 [ 5803.038495][ T72] netlink_sendmsg+0x723/0xbe0 [ 5803.038495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5803.038495][ T72] ___sys_sendmsg+0xee/0x170 [ 5803.038495][ T72] __sys_sendmsg+0xcd/0x170 [ 5803.038495][ T72] do_syscall_64+0xc6/0x1e0 [ 5803.038495][ T72] [ 5803.040673][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5803.040673][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5803.040673][ T72] ipv6_find_idev+0x102/0x170 [ 5803.040673][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5803.040673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.040673][ T72] netlink_rcv_skb+0x130/0x360 [ 5803.040673][ T72] netlink_unicast+0x449/0x710 [ 5803.040673][ T72] netlink_sendmsg+0x723/0xbe0 [ 5803.040673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5803.040673][ T72] ___sys_sendmsg+0xee/0x170 [ 5803.040673][ T72] __sys_sendmsg+0xcd/0x170 [ 5803.040673][ T72] do_syscall_64+0xc6/0x1e0 [ 5803.040673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.040673][ T72] [ 5803.042382][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5803.042382][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5803.042382][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5803.042382][ T72] ipv6_find_idev+0x102/0x170 [ 5803.042382][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5803.042382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.042382][ T72] netlink_rcv_skb+0x130/0x360 [ 5803.042382][ T72] netlink_unicast+0x449/0x710 [ 5803.042382][ T72] netlink_sendmsg+0x723/0xbe0 [ 5803.042382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5803.042382][ T72] ___sys_sendmsg+0xee/0x170 [ 5803.042382][ T72] __sys_sendmsg+0xcd/0x170 [ 5803.042382][ T72] do_syscall_64+0xc6/0x1e0 [ 5803.042382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.042382][ T72] [ 5813.177063][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5813.177571][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5813.177571][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5813.177571][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5813.177571][ T72] fib6_nh_init+0xa22/0x1580 [ 5813.177571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.177571][ T72] ip6_route_add+0x1c/0x140 [ 5813.177571][ T72] inet6_rtm_newroute+0x104/0x110 [ 5813.177571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.177571][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.177571][ T72] netlink_unicast+0x449/0x710 [ 5813.177571][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.177571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.177571][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.177571][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.177571][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.177571][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.177571][ T72] [ 5813.179336][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5813.179336][ T72] dst_init+0x84/0x4a0 [ 5813.179336][ T72] dst_alloc+0x97/0x150 [ 5813.179336][ T72] ip6_dst_alloc+0x23/0x90 [ 5813.179336][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5813.179336][ T72] ip6_pol_route+0x56f/0x840 [ 5813.179336][ T72] fib6_rule_lookup+0x456/0x630 [ 5813.179336][ T72] ip6_route_input+0x59c/0xa50 [ 5813.179336][ T72] ipv6_rcv+0x397/0x810 [ 5813.179336][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5813.179336][ T72] process_backlog+0x101/0x620 [ 5813.179336][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5813.179336][ T72] net_rx_action+0x495/0xbe0 [ 5813.179336][ T72] __do_softirq+0x1b5/0x7f6 [ 5813.179336][ T72] [ 5813.180961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5813.180961][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.180961][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.180961][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.180961][ T72] ip6_route_add+0x1c/0x140 [ 5813.180961][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5813.180961][ T72] inet6_addr_add+0x4f8/0xa40 [ 5813.180961][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.180961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.180961][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.180961][ T72] netlink_unicast+0x449/0x710 [ 5813.180961][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.180961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.180961][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.180961][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.180961][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.180961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.180961][ T72] [ 5813.183025][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5813.183025][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.183025][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.183025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.183025][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5813.183025][ T72] ipv6_add_addr+0x411/0x2000 [ 5813.183025][ T72] inet6_addr_add+0x30e/0xa40 [ 5813.183025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.183025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.183025][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.183025][ T72] netlink_unicast+0x449/0x710 [ 5813.183025][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.183025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.183025][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.183025][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.183025][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.183025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.183025][ T72] [ 5813.185046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5813.185046][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.185046][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.185046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.185046][ T72] ip6_route_add+0x1c/0x140 [ 5813.185046][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5813.185046][ T72] addrconf_add_dev+0xe2/0x170 [ 5813.185046][ T72] inet6_addr_add+0x12f/0xa40 [ 5813.185046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.185046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.185046][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.185046][ T72] netlink_unicast+0x449/0x710 [ 5813.185046][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.185046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.185046][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.185046][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.185046][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.185046][ T72] [ 5813.186998][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5813.186998][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5813.186998][ T72] ipv6_find_idev+0x102/0x170 [ 5813.186998][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.186998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.186998][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.186998][ T72] netlink_unicast+0x449/0x710 [ 5813.186998][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.186998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.186998][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.186998][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.186998][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.186998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.186998][ T72] [ 5813.188513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5813.188513][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5813.188513][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5813.188513][ T72] ipv6_find_idev+0x102/0x170 [ 5813.188513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.188513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.188513][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.188513][ T72] netlink_unicast+0x449/0x710 [ 5813.188513][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.188513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.188513][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.188513][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.188513][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.188513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.188513][ T72] [ 5813.190222][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5813.190529][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5813.190529][ T72] dst_init+0x84/0x4a0 [ 5813.190529][ T72] dst_alloc+0x97/0x150 [ 5813.190529][ T72] ip6_dst_alloc+0x23/0x90 [ 5813.190529][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5813.190529][ T72] ip6_pol_route+0x56f/0x840 [ 5813.190529][ T72] fib6_rule_lookup+0x456/0x630 [ 5813.190529][ T72] ip6_route_input+0x59c/0xa50 [ 5813.190529][ T72] ipv6_rcv+0x397/0x810 [ 5813.190529][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5813.190529][ T72] process_backlog+0x101/0x620 [ 5813.190529][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5813.190529][ T72] net_rx_action+0x495/0xbe0 [ 5813.190529][ T72] __do_softirq+0x1b5/0x7f6 [ 5813.190529][ T72] [ 5813.192216][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5813.192216][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.192216][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.192216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.192216][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5813.192216][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5813.192216][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5813.192216][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5813.192216][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5813.192216][ T72] addrconf_dad_begin+0x310/0x670 [ 5813.192216][ T72] addrconf_dad_work+0x10b/0xab0 [ 5813.192216][ T72] process_one_work+0x84d/0x18a0 [ 5813.192216][ T72] worker_thread+0x587/0xd30 [ 5813.192216][ T72] kthread+0x28a/0x350 [ 5813.192216][ T72] ret_from_fork+0x31/0x70 [ 5813.192216][ T72] ret_from_fork_asm+0x1a/0x30 [ 5813.192216][ T72] [ 5813.194132][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5813.194132][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.194132][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.194132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.194132][ T72] ip6_route_add+0x1c/0x140 [ 5813.194132][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5813.194132][ T72] inet6_addr_add+0x4f8/0xa40 [ 5813.194132][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.194132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.194132][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.194132][ T72] netlink_unicast+0x449/0x710 [ 5813.194132][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.194132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.194132][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.194132][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.194132][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.194132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.194132][ T72] [ 5813.196097][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5813.196097][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.196097][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.196097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.196097][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5813.196097][ T72] ipv6_add_addr+0x411/0x2000 [ 5813.196097][ T72] inet6_addr_add+0x30e/0xa40 [ 5813.196097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.196097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.196097][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.196097][ T72] netlink_unicast+0x449/0x710 [ 5813.196097][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.196097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.196097][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.196097][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.196097][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.196097][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.196097][ T72] [ 5813.198105][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5813.198105][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.198105][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.198105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.198105][ T72] ip6_route_add+0x1c/0x140 [ 5813.198105][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5813.198105][ T72] addrconf_add_dev+0xe2/0x170 [ 5813.198105][ T72] inet6_addr_add+0x12f/0xa40 [ 5813.198105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.198105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.198105][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.198105][ T72] netlink_unicast+0x449/0x710 [ 5813.198105][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.198105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.198105][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.198105][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.198105][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.198105][ T72] [ 5813.200122][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5813.200122][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5813.200122][ T72] ipv6_find_idev+0x102/0x170 [ 5813.200122][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.200122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.200122][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.200122][ T72] netlink_unicast+0x449/0x710 [ 5813.200122][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.200122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.200122][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.200122][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.200122][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.200122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.200122][ T72] [ 5813.201682][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5813.201682][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5813.201682][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5813.201682][ T72] ipv6_find_idev+0x102/0x170 [ 5813.201682][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.201682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.201682][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.201682][ T72] netlink_unicast+0x449/0x710 [ 5813.201682][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.201682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.201682][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.201682][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.201682][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.201682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.201682][ T72] [ 5813.204047][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5813.204332][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5813.204332][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5813.204332][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5813.204332][ T72] fib6_nh_init+0xa22/0x1580 [ 5813.204332][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.204332][ T72] ip6_route_add+0x1c/0x140 [ 5813.204332][ T72] inet6_rtm_newroute+0x104/0x110 [ 5813.204332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.204332][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.204332][ T72] netlink_unicast+0x449/0x710 [ 5813.204332][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.204332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.204332][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.204332][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.204332][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.204332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.204332][ T72] [ 5813.234421][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5813.234421][ T72] dst_init+0x84/0x4a0 [ 5813.234421][ T72] dst_alloc+0x97/0x150 [ 5813.234421][ T72] ip6_dst_alloc+0x23/0x90 [ 5813.234421][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5813.234421][ T72] ip6_pol_route+0x56f/0x840 [ 5813.234421][ T72] fib6_rule_lookup+0x456/0x630 [ 5813.234421][ T72] ip6_route_input+0x59c/0xa50 [ 5813.234421][ T72] ipv6_rcv+0x397/0x810 [ 5813.234421][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5813.234421][ T72] process_backlog+0x101/0x620 [ 5813.234421][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5813.234421][ T72] net_rx_action+0x495/0xbe0 [ 5813.234421][ T72] __do_softirq+0x1b5/0x7f6 [ 5813.234421][ T72] [ 5813.236280][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5813.236280][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.236280][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.236280][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.236280][ T72] ip6_route_add+0x1c/0x140 [ 5813.236280][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5813.236280][ T72] inet6_addr_add+0x4f8/0xa40 [ 5813.236280][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.236280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.236280][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.236280][ T72] netlink_unicast+0x449/0x710 [ 5813.236280][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.236280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.236280][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.236280][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.236280][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.236280][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.236280][ T72] [ 5813.238383][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5813.238383][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.238383][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.238383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.238383][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5813.238383][ T72] ipv6_add_addr+0x411/0x2000 [ 5813.238383][ T72] inet6_addr_add+0x30e/0xa40 [ 5813.238383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.238383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.238383][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.238383][ T72] netlink_unicast+0x449/0x710 [ 5813.238383][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.238383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.238383][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.238383][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.238383][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.238383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.238383][ T72] [ 5813.240481][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5813.240481][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.240481][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.240481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.240481][ T72] ip6_route_add+0x1c/0x140 [ 5813.240481][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5813.240481][ T72] addrconf_add_dev+0xe2/0x170 [ 5813.240481][ T72] inet6_addr_add+0x12f/0xa40 [ 5813.240481][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.240481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.240481][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.240481][ T72] netlink_unicast+0x449/0x710 [ 5813.240481][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.240481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.240481][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.240481][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.240481][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.240481][ T72] [ 5813.242745][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5813.242745][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5813.242745][ T72] ipv6_find_idev+0x102/0x170 [ 5813.242745][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.242745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.242745][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.242745][ T72] netlink_unicast+0x449/0x710 [ 5813.242745][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.242745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.242745][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.242745][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.242745][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.242745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.242745][ T72] [ 5813.244339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5813.244339][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5813.244339][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5813.244339][ T72] ipv6_find_idev+0x102/0x170 [ 5813.244339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.244339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.244339][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.244339][ T72] netlink_unicast+0x449/0x710 [ 5813.244339][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.244339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.244339][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.244339][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.244339][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.244339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.244339][ T72] [ 5813.246232][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5813.246572][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5813.246572][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.246572][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.246572][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.246572][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5813.246572][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5813.246572][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5813.246572][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5813.246572][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5813.246572][ T72] addrconf_dad_begin+0x310/0x670 [ 5813.246572][ T72] addrconf_dad_work+0x10b/0xab0 [ 5813.246572][ T72] process_one_work+0x84d/0x18a0 [ 5813.246572][ T72] worker_thread+0x587/0xd30 [ 5813.246572][ T72] kthread+0x28a/0x350 [ 5813.246572][ T72] ret_from_fork+0x31/0x70 [ 5813.246572][ T72] ret_from_fork_asm+0x1a/0x30 [ 5813.246572][ T72] [ 5813.248533][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5813.248533][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.248533][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.248533][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.248533][ T72] ip6_route_add+0x1c/0x140 [ 5813.248533][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5813.248533][ T72] inet6_addr_add+0x4f8/0xa40 [ 5813.248533][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.248533][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.248533][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.248533][ T72] netlink_unicast+0x449/0x710 [ 5813.248533][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.248533][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.248533][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.248533][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.248533][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.248533][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.248533][ T72] [ 5813.250781][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5813.250781][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.250781][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.250781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.250781][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5813.250781][ T72] ipv6_add_addr+0x411/0x2000 [ 5813.250781][ T72] inet6_addr_add+0x30e/0xa40 [ 5813.250781][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.250781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.250781][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.250781][ T72] netlink_unicast+0x449/0x710 [ 5813.250781][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.250781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.250781][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.250781][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.250781][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.250781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.250781][ T72] [ 5813.253115][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5813.253115][ T72] netdev_get_by_index+0x5e/0x80 [ 5813.253115][ T72] fib6_nh_init+0x3d8/0x1580 [ 5813.253115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5813.253115][ T72] ip6_route_add+0x1c/0x140 [ 5813.253115][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5813.253115][ T72] addrconf_add_dev+0xe2/0x170 [ 5813.253115][ T72] inet6_addr_add+0x12f/0xa40 [ 5813.253115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.253115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.253115][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.253115][ T72] netlink_unicast+0x449/0x710 [ 5813.253115][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.253115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.253115][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.253115][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.253115][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.253115][ T72] [ 5813.255316][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5813.255316][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5813.255316][ T72] ipv6_find_idev+0x102/0x170 [ 5813.255316][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.255316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.255316][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.255316][ T72] netlink_unicast+0x449/0x710 [ 5813.255316][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.255316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.255316][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.255316][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.255316][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.255316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.255316][ T72] [ 5813.257062][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5813.257062][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5813.257062][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5813.257062][ T72] ipv6_find_idev+0x102/0x170 [ 5813.257062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.257062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.257062][ T72] netlink_rcv_skb+0x130/0x360 [ 5813.257062][ T72] netlink_unicast+0x449/0x710 [ 5813.257062][ T72] netlink_sendmsg+0x723/0xbe0 [ 5813.257062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5813.257062][ T72] ___sys_sendmsg+0xee/0x170 [ 5813.257062][ T72] __sys_sendmsg+0xcd/0x170 [ 5813.257062][ T72] do_syscall_64+0xc6/0x1e0 [ 5813.257062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.257062][ T72] [ 5823.312987][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5823.313551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5823.313551][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5823.313551][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5823.313551][ T72] fib6_nh_init+0xa22/0x1580 [ 5823.313551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.313551][ T72] ip6_route_add+0x1c/0x140 [ 5823.313551][ T72] inet6_rtm_newroute+0x104/0x110 [ 5823.313551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.313551][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.313551][ T72] netlink_unicast+0x449/0x710 [ 5823.313551][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.313551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.313551][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.313551][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.313551][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.313551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.313551][ T72] [ 5823.315491][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5823.315491][ T72] dst_init+0x84/0x4a0 [ 5823.315491][ T72] dst_alloc+0x97/0x150 [ 5823.315491][ T72] ip6_dst_alloc+0x23/0x90 [ 5823.315491][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5823.315491][ T72] ip6_pol_route+0x56f/0x840 [ 5823.315491][ T72] fib6_rule_lookup+0x456/0x630 [ 5823.315491][ T72] ip6_route_input+0x59c/0xa50 [ 5823.315491][ T72] ipv6_rcv+0x397/0x810 [ 5823.315491][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5823.315491][ T72] process_backlog+0x101/0x620 [ 5823.315491][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5823.315491][ T72] net_rx_action+0x495/0xbe0 [ 5823.315491][ T72] __do_softirq+0x1b5/0x7f6 [ 5823.315491][ T72] [ 5823.317150][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5823.317150][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.317150][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.317150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.317150][ T72] ip6_route_add+0x1c/0x140 [ 5823.317150][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5823.317150][ T72] inet6_addr_add+0x4f8/0xa40 [ 5823.317150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.317150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.317150][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.317150][ T72] netlink_unicast+0x449/0x710 [ 5823.317150][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.317150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.317150][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.317150][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.317150][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.317150][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.317150][ T72] [ 5823.319164][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5823.319164][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.319164][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.319164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.319164][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5823.319164][ T72] ipv6_add_addr+0x411/0x2000 [ 5823.319164][ T72] inet6_addr_add+0x30e/0xa40 [ 5823.319164][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.319164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.319164][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.319164][ T72] netlink_unicast+0x449/0x710 [ 5823.319164][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.319164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.319164][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.319164][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.319164][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.319164][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.319164][ T72] [ 5823.321193][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5823.321193][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.321193][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.321193][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.321193][ T72] ip6_route_add+0x1c/0x140 [ 5823.321193][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5823.321193][ T72] addrconf_add_dev+0xe2/0x170 [ 5823.321193][ T72] inet6_addr_add+0x12f/0xa40 [ 5823.321193][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.321193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.321193][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.321193][ T72] netlink_unicast+0x449/0x710 [ 5823.321193][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.321193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.321193][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.321193][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.321193][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.321193][ T72] [ 5823.323176][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5823.323176][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5823.323176][ T72] ipv6_find_idev+0x102/0x170 [ 5823.323176][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.323176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.323176][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.323176][ T72] netlink_unicast+0x449/0x710 [ 5823.323176][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.323176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.323176][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.323176][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.323176][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.323176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.323176][ T72] [ 5823.324723][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5823.324723][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5823.324723][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5823.324723][ T72] ipv6_find_idev+0x102/0x170 [ 5823.324723][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.324723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.324723][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.324723][ T72] netlink_unicast+0x449/0x710 [ 5823.324723][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.324723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.324723][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.324723][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.324723][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.324723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.324723][ T72] [ 5823.326444][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5823.326720][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5823.326720][ T72] dst_init+0x84/0x4a0 [ 5823.326720][ T72] dst_alloc+0x97/0x150 [ 5823.326720][ T72] ip6_dst_alloc+0x23/0x90 [ 5823.326720][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5823.326720][ T72] ip6_pol_route+0x56f/0x840 [ 5823.326720][ T72] fib6_rule_lookup+0x456/0x630 [ 5823.326720][ T72] ip6_route_input+0x59c/0xa50 [ 5823.326720][ T72] ipv6_rcv+0x397/0x810 [ 5823.326720][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5823.326720][ T72] process_backlog+0x101/0x620 [ 5823.326720][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5823.326720][ T72] net_rx_action+0x495/0xbe0 [ 5823.326720][ T72] __do_softirq+0x1b5/0x7f6 [ 5823.326720][ T72] [ 5823.328378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5823.328378][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.328378][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.328378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.328378][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5823.328378][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5823.328378][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5823.328378][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5823.328378][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5823.328378][ T72] addrconf_dad_begin+0x310/0x670 [ 5823.328378][ T72] addrconf_dad_work+0x10b/0xab0 [ 5823.328378][ T72] process_one_work+0x84d/0x18a0 [ 5823.328378][ T72] worker_thread+0x587/0xd30 [ 5823.328378][ T72] kthread+0x28a/0x350 [ 5823.328378][ T72] ret_from_fork+0x31/0x70 [ 5823.328378][ T72] ret_from_fork_asm+0x1a/0x30 [ 5823.328378][ T72] [ 5823.330295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5823.330295][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.330295][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.330295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.330295][ T72] ip6_route_add+0x1c/0x140 [ 5823.330295][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5823.330295][ T72] inet6_addr_add+0x4f8/0xa40 [ 5823.330295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.330295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.330295][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.330295][ T72] netlink_unicast+0x449/0x710 [ 5823.330295][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.330295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.330295][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.330295][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.330295][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.330295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.330295][ T72] [ 5823.332308][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5823.332308][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.332308][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.332308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.332308][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5823.332308][ T72] ipv6_add_addr+0x411/0x2000 [ 5823.332308][ T72] inet6_addr_add+0x30e/0xa40 [ 5823.332308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.332308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.332308][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.332308][ T72] netlink_unicast+0x449/0x710 [ 5823.332308][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.332308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.332308][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.332308][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.332308][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.332308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.332308][ T72] [ 5823.334318][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5823.334318][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.334318][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.334318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.334318][ T72] ip6_route_add+0x1c/0x140 [ 5823.334318][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5823.334318][ T72] addrconf_add_dev+0xe2/0x170 [ 5823.334318][ T72] inet6_addr_add+0x12f/0xa40 [ 5823.334318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.334318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.334318][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.334318][ T72] netlink_unicast+0x449/0x710 [ 5823.334318][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.334318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.334318][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.334318][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.334318][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.334318][ T72] [ 5823.336288][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5823.336288][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5823.336288][ T72] ipv6_find_idev+0x102/0x170 [ 5823.336288][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.336288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.336288][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.336288][ T72] netlink_unicast+0x449/0x710 [ 5823.336288][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.336288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.336288][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.336288][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.336288][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.336288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.336288][ T72] [ 5823.337850][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5823.337850][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5823.337850][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5823.337850][ T72] ipv6_find_idev+0x102/0x170 [ 5823.337850][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.337850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.337850][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.337850][ T72] netlink_unicast+0x449/0x710 [ 5823.337850][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.337850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.337850][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.337850][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.337850][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.337850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.337850][ T72] [ 5823.339665][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5823.339943][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5823.339943][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5823.339943][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5823.339943][ T72] fib6_nh_init+0xa22/0x1580 [ 5823.339943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.339943][ T72] ip6_route_add+0x1c/0x140 [ 5823.339943][ T72] inet6_rtm_newroute+0x104/0x110 [ 5823.339943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.339943][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.339943][ T72] netlink_unicast+0x449/0x710 [ 5823.339943][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.339943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.339943][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.339943][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.339943][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.339943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.339943][ T72] [ 5823.342138][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5823.342138][ T72] dst_init+0x84/0x4a0 [ 5823.342138][ T72] dst_alloc+0x97/0x150 [ 5823.342138][ T72] ip6_dst_alloc+0x23/0x90 [ 5823.342138][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5823.342138][ T72] ip6_pol_route+0x56f/0x840 [ 5823.342138][ T72] fib6_rule_lookup+0x456/0x630 [ 5823.342138][ T72] ip6_route_input+0x59c/0xa50 [ 5823.342138][ T72] ipv6_rcv+0x397/0x810 [ 5823.342138][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5823.342138][ T72] process_backlog+0x101/0x620 [ 5823.342138][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5823.342138][ T72] net_rx_action+0x495/0xbe0 [ 5823.342138][ T72] __do_softirq+0x1b5/0x7f6 [ 5823.342138][ T72] [ 5823.343963][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5823.343963][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.343963][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.343963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.343963][ T72] ip6_route_add+0x1c/0x140 [ 5823.343963][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5823.343963][ T72] inet6_addr_add+0x4f8/0xa40 [ 5823.343963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.343963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.343963][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.343963][ T72] netlink_unicast+0x449/0x710 [ 5823.343963][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.343963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.343963][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.343963][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.343963][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.343963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.343963][ T72] [ 5823.346218][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5823.346218][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.346218][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.346218][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.346218][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5823.346218][ T72] ipv6_add_addr+0x411/0x2000 [ 5823.346218][ T72] inet6_addr_add+0x30e/0xa40 [ 5823.346218][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.346218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.346218][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.346218][ T72] netlink_unicast+0x449/0x710 [ 5823.346218][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.346218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.346218][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.346218][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.346218][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.346218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.346218][ T72] [ 5823.348413][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5823.348413][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.348413][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.348413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.348413][ T72] ip6_route_add+0x1c/0x140 [ 5823.348413][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5823.348413][ T72] addrconf_add_dev+0xe2/0x170 [ 5823.348413][ T72] inet6_addr_add+0x12f/0xa40 [ 5823.348413][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.348413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.348413][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.348413][ T72] netlink_unicast+0x449/0x710 [ 5823.348413][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.348413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.348413][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.348413][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.348413][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.348413][ T72] [ 5823.350688][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5823.350688][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5823.350688][ T72] ipv6_find_idev+0x102/0x170 [ 5823.350688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.350688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.350688][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.350688][ T72] netlink_unicast+0x449/0x710 [ 5823.350688][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.350688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.350688][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.350688][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.350688][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.350688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.350688][ T72] [ 5823.352420][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5823.352420][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5823.352420][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5823.352420][ T72] ipv6_find_idev+0x102/0x170 [ 5823.352420][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.352420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.352420][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.352420][ T72] netlink_unicast+0x449/0x710 [ 5823.352420][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.352420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.352420][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.352420][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.352420][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.352420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.352420][ T72] [ 5823.354299][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5823.354650][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5823.354650][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.354650][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.354650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.354650][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5823.354650][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5823.354650][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5823.354650][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5823.354650][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5823.354650][ T72] addrconf_dad_begin+0x310/0x670 [ 5823.354650][ T72] addrconf_dad_work+0x10b/0xab0 [ 5823.354650][ T72] process_one_work+0x84d/0x18a0 [ 5823.354650][ T72] worker_thread+0x587/0xd30 [ 5823.354650][ T72] kthread+0x28a/0x350 [ 5823.354650][ T72] ret_from_fork+0x31/0x70 [ 5823.354650][ T72] ret_from_fork_asm+0x1a/0x30 [ 5823.354650][ T72] [ 5823.356687][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5823.356687][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.356687][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.356687][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.356687][ T72] ip6_route_add+0x1c/0x140 [ 5823.356687][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5823.356687][ T72] inet6_addr_add+0x4f8/0xa40 [ 5823.356687][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.356687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.356687][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.356687][ T72] netlink_unicast+0x449/0x710 [ 5823.356687][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.356687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.356687][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.356687][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.356687][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.356687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.356687][ T72] [ 5823.358937][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5823.358937][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.358937][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.358937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.358937][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5823.358937][ T72] ipv6_add_addr+0x411/0x2000 [ 5823.358937][ T72] inet6_addr_add+0x30e/0xa40 [ 5823.358937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.358937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.358937][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.358937][ T72] netlink_unicast+0x449/0x710 [ 5823.358937][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.358937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.358937][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.358937][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.358937][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.358937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.358937][ T72] [ 5823.361260][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5823.361260][ T72] netdev_get_by_index+0x5e/0x80 [ 5823.361260][ T72] fib6_nh_init+0x3d8/0x1580 [ 5823.361260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5823.361260][ T72] ip6_route_add+0x1c/0x140 [ 5823.361260][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5823.361260][ T72] addrconf_add_dev+0xe2/0x170 [ 5823.361260][ T72] inet6_addr_add+0x12f/0xa40 [ 5823.361260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.361260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.361260][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.361260][ T72] netlink_unicast+0x449/0x710 [ 5823.361260][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.361260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.361260][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.361260][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.361260][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.361260][ T72] [ 5823.363478][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5823.363478][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5823.363478][ T72] ipv6_find_idev+0x102/0x170 [ 5823.363478][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.363478][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.363478][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.363478][ T72] netlink_unicast+0x449/0x710 [ 5823.363478][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.363478][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.363478][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.363478][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.363478][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.363478][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.363478][ T72] [ 5823.365234][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5823.365234][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5823.365234][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5823.365234][ T72] ipv6_find_idev+0x102/0x170 [ 5823.365234][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.365234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.365234][ T72] netlink_rcv_skb+0x130/0x360 [ 5823.365234][ T72] netlink_unicast+0x449/0x710 [ 5823.365234][ T72] netlink_sendmsg+0x723/0xbe0 [ 5823.365234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5823.365234][ T72] ___sys_sendmsg+0xee/0x170 [ 5823.365234][ T72] __sys_sendmsg+0xcd/0x170 [ 5823.365234][ T72] do_syscall_64+0xc6/0x1e0 [ 5823.365234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.365234][ T72] [ 5833.504984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5833.505567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5833.505567][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5833.505567][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5833.505567][ T72] fib6_nh_init+0xa22/0x1580 [ 5833.505567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.505567][ T72] ip6_route_add+0x1c/0x140 [ 5833.505567][ T72] inet6_rtm_newroute+0x104/0x110 [ 5833.505567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.505567][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.505567][ T72] netlink_unicast+0x449/0x710 [ 5833.505567][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.505567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.505567][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.505567][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.505567][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.505567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.505567][ T72] [ 5833.507408][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5833.507408][ T72] dst_init+0x84/0x4a0 [ 5833.507408][ T72] dst_alloc+0x97/0x150 [ 5833.507408][ T72] ip6_dst_alloc+0x23/0x90 [ 5833.507408][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5833.507408][ T72] ip6_pol_route+0x56f/0x840 [ 5833.507408][ T72] fib6_rule_lookup+0x456/0x630 [ 5833.507408][ T72] ip6_route_input+0x59c/0xa50 [ 5833.507408][ T72] ipv6_rcv+0x397/0x810 [ 5833.507408][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5833.507408][ T72] process_backlog+0x101/0x620 [ 5833.507408][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5833.507408][ T72] net_rx_action+0x495/0xbe0 [ 5833.507408][ T72] __do_softirq+0x1b5/0x7f6 [ 5833.507408][ T72] [ 5833.508999][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5833.508999][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.508999][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.508999][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.508999][ T72] ip6_route_add+0x1c/0x140 [ 5833.508999][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5833.508999][ T72] inet6_addr_add+0x4f8/0xa40 [ 5833.508999][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.508999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.508999][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.508999][ T72] netlink_unicast+0x449/0x710 [ 5833.508999][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.508999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.508999][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.508999][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.508999][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.508999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.508999][ T72] [ 5833.510936][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5833.510936][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.510936][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.510936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.510936][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5833.510936][ T72] ipv6_add_addr+0x411/0x2000 [ 5833.510936][ T72] inet6_addr_add+0x30e/0xa40 [ 5833.510936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.510936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.510936][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.510936][ T72] netlink_unicast+0x449/0x710 [ 5833.510936][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.510936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.510936][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.510936][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.510936][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.510936][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.510936][ T72] [ 5833.512931][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5833.512931][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.512931][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.512931][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.512931][ T72] ip6_route_add+0x1c/0x140 [ 5833.512931][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5833.512931][ T72] addrconf_add_dev+0xe2/0x170 [ 5833.512931][ T72] inet6_addr_add+0x12f/0xa40 [ 5833.512931][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.512931][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.512931][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.512931][ T72] netlink_unicast+0x449/0x710 [ 5833.512931][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.512931][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.512931][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.512931][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.512931][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.512931][ T72] [ 5833.514954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5833.514954][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5833.514954][ T72] ipv6_find_idev+0x102/0x170 [ 5833.514954][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.514954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.514954][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.514954][ T72] netlink_unicast+0x449/0x710 [ 5833.514954][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.514954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.514954][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.514954][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.514954][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.514954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.514954][ T72] [ 5833.516505][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5833.516505][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5833.516505][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5833.516505][ T72] ipv6_find_idev+0x102/0x170 [ 5833.516505][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.516505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.516505][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.516505][ T72] netlink_unicast+0x449/0x710 [ 5833.516505][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.516505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.516505][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.516505][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.516505][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.516505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.516505][ T72] [ 5833.518227][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5833.518504][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5833.518504][ T72] dst_init+0x84/0x4a0 [ 5833.518504][ T72] dst_alloc+0x97/0x150 [ 5833.518504][ T72] ip6_dst_alloc+0x23/0x90 [ 5833.518504][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5833.518504][ T72] ip6_pol_route+0x56f/0x840 [ 5833.518504][ T72] fib6_rule_lookup+0x456/0x630 [ 5833.518504][ T72] ip6_route_input+0x59c/0xa50 [ 5833.518504][ T72] ipv6_rcv+0x397/0x810 [ 5833.518504][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5833.518504][ T72] process_backlog+0x101/0x620 [ 5833.518504][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5833.518504][ T72] net_rx_action+0x495/0xbe0 [ 5833.518504][ T72] __do_softirq+0x1b5/0x7f6 [ 5833.518504][ T72] [ 5833.520166][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5833.520166][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.520166][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.520166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.520166][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5833.520166][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5833.520166][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5833.520166][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5833.520166][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5833.520166][ T72] addrconf_dad_begin+0x310/0x670 [ 5833.520166][ T72] addrconf_dad_work+0x10b/0xab0 [ 5833.520166][ T72] process_one_work+0x84d/0x18a0 [ 5833.520166][ T72] worker_thread+0x587/0xd30 [ 5833.520166][ T72] kthread+0x28a/0x350 [ 5833.520166][ T72] ret_from_fork+0x31/0x70 [ 5833.520166][ T72] ret_from_fork_asm+0x1a/0x30 [ 5833.520166][ T72] [ 5833.522110][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5833.522110][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.522110][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.522110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.522110][ T72] ip6_route_add+0x1c/0x140 [ 5833.522110][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5833.522110][ T72] inet6_addr_add+0x4f8/0xa40 [ 5833.522110][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.522110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.522110][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.522110][ T72] netlink_unicast+0x449/0x710 [ 5833.522110][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.522110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.522110][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.522110][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.522110][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.522110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.522110][ T72] [ 5833.524116][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5833.524116][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.524116][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.524116][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.524116][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5833.524116][ T72] ipv6_add_addr+0x411/0x2000 [ 5833.524116][ T72] inet6_addr_add+0x30e/0xa40 [ 5833.524116][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.524116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.524116][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.524116][ T72] netlink_unicast+0x449/0x710 [ 5833.524116][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.524116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.524116][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.524116][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.524116][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.524116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.524116][ T72] [ 5833.526123][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5833.526123][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.526123][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.526123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.526123][ T72] ip6_route_add+0x1c/0x140 [ 5833.526123][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5833.526123][ T72] addrconf_add_dev+0xe2/0x170 [ 5833.526123][ T72] inet6_addr_add+0x12f/0xa40 [ 5833.526123][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.526123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.526123][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.526123][ T72] netlink_unicast+0x449/0x710 [ 5833.526123][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.526123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.526123][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.526123][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.526123][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.526123][ T72] [ 5833.528099][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5833.528099][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5833.528099][ T72] ipv6_find_idev+0x102/0x170 [ 5833.528099][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.528099][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.528099][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.528099][ T72] netlink_unicast+0x449/0x710 [ 5833.528099][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.528099][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.528099][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.528099][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.528099][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.528099][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.528099][ T72] [ 5833.529626][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5833.529626][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5833.529626][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5833.529626][ T72] ipv6_find_idev+0x102/0x170 [ 5833.529626][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.529626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.529626][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.529626][ T72] netlink_unicast+0x449/0x710 [ 5833.529626][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.529626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.529626][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.529626][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.529626][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.529626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.529626][ T72] [ 5833.531579][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5833.531913][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5833.531913][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5833.531913][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5833.531913][ T72] fib6_nh_init+0xa22/0x1580 [ 5833.531913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.531913][ T72] ip6_route_add+0x1c/0x140 [ 5833.531913][ T72] inet6_rtm_newroute+0x104/0x110 [ 5833.531913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.531913][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.531913][ T72] netlink_unicast+0x449/0x710 [ 5833.531913][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.531913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.531913][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.531913][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.531913][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.531913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.531913][ T72] [ 5833.534501][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5833.534501][ T72] dst_init+0x84/0x4a0 [ 5833.534501][ T72] dst_alloc+0x97/0x150 [ 5833.534501][ T72] ip6_dst_alloc+0x23/0x90 [ 5833.534501][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5833.534501][ T72] ip6_pol_route+0x56f/0x840 [ 5833.534501][ T72] fib6_rule_lookup+0x456/0x630 [ 5833.534501][ T72] ip6_route_input+0x59c/0xa50 [ 5833.534501][ T72] ipv6_rcv+0x397/0x810 [ 5833.534501][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5833.534501][ T72] process_backlog+0x101/0x620 [ 5833.534501][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5833.534501][ T72] net_rx_action+0x495/0xbe0 [ 5833.534501][ T72] __do_softirq+0x1b5/0x7f6 [ 5833.534501][ T72] [ 5833.536670][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5833.536670][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.536670][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.536670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.536670][ T72] ip6_route_add+0x1c/0x140 [ 5833.536670][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5833.536670][ T72] inet6_addr_add+0x4f8/0xa40 [ 5833.536670][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.536670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.536670][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.536670][ T72] netlink_unicast+0x449/0x710 [ 5833.536670][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.536670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.536670][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.536670][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.536670][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.536670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.536670][ T72] [ 5833.539268][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5833.539268][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.539268][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.539268][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.539268][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5833.539268][ T72] ipv6_add_addr+0x411/0x2000 [ 5833.539268][ T72] inet6_addr_add+0x30e/0xa40 [ 5833.539268][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.539268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.539268][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.539268][ T72] netlink_unicast+0x449/0x710 [ 5833.539268][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.539268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.539268][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.539268][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.539268][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.539268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.539268][ T72] [ 5833.541915][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5833.541915][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.541915][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.541915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.541915][ T72] ip6_route_add+0x1c/0x140 [ 5833.541915][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5833.541915][ T72] addrconf_add_dev+0xe2/0x170 [ 5833.541915][ T72] inet6_addr_add+0x12f/0xa40 [ 5833.541915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.541915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.541915][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.541915][ T72] netlink_unicast+0x449/0x710 [ 5833.541915][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.541915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.541915][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.541915][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.541915][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.541915][ T72] [ 5833.544622][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5833.544622][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5833.544622][ T72] ipv6_find_idev+0x102/0x170 [ 5833.544622][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.544622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.544622][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.544622][ T72] netlink_unicast+0x449/0x710 [ 5833.544622][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.544622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.544622][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.544622][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.544622][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.544622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.544622][ T72] [ 5833.546649][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5833.546649][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5833.546649][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5833.546649][ T72] ipv6_find_idev+0x102/0x170 [ 5833.546649][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.546649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.546649][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.546649][ T72] netlink_unicast+0x449/0x710 [ 5833.546649][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.546649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.546649][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.546649][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.546649][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.546649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.546649][ T72] [ 5833.548818][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5833.549222][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5833.549222][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.549222][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.549222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.549222][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5833.549222][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5833.549222][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5833.549222][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5833.549222][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5833.549222][ T72] addrconf_dad_begin+0x310/0x670 [ 5833.549222][ T72] addrconf_dad_work+0x10b/0xab0 [ 5833.549222][ T72] process_one_work+0x84d/0x18a0 [ 5833.549222][ T72] worker_thread+0x587/0xd30 [ 5833.549222][ T72] kthread+0x28a/0x350 [ 5833.549222][ T72] ret_from_fork+0x31/0x70 [ 5833.549222][ T72] ret_from_fork_asm+0x1a/0x30 [ 5833.549222][ T72] [ 5833.551755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5833.551755][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.551755][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.551755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.551755][ T72] ip6_route_add+0x1c/0x140 [ 5833.551755][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5833.551755][ T72] inet6_addr_add+0x4f8/0xa40 [ 5833.551755][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.551755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.551755][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.551755][ T72] netlink_unicast+0x449/0x710 [ 5833.551755][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.551755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.551755][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.551755][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.551755][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.551755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.551755][ T72] [ 5833.554413][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5833.554413][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.554413][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.554413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.554413][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5833.554413][ T72] ipv6_add_addr+0x411/0x2000 [ 5833.554413][ T72] inet6_addr_add+0x30e/0xa40 [ 5833.554413][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.554413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.554413][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.554413][ T72] netlink_unicast+0x449/0x710 [ 5833.554413][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.554413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.554413][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.554413][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.554413][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.554413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.554413][ T72] [ 5833.557143][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5833.557143][ T72] netdev_get_by_index+0x5e/0x80 [ 5833.557143][ T72] fib6_nh_init+0x3d8/0x1580 [ 5833.557143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5833.557143][ T72] ip6_route_add+0x1c/0x140 [ 5833.557143][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5833.557143][ T72] addrconf_add_dev+0xe2/0x170 [ 5833.557143][ T72] inet6_addr_add+0x12f/0xa40 [ 5833.557143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.557143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.557143][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.557143][ T72] netlink_unicast+0x449/0x710 [ 5833.557143][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.557143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.557143][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.557143][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.557143][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.557143][ T72] [ 5833.559761][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5833.559761][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5833.559761][ T72] ipv6_find_idev+0x102/0x170 [ 5833.559761][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.559761][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.559761][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.559761][ T72] netlink_unicast+0x449/0x710 [ 5833.559761][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.559761][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.559761][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.559761][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.559761][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.559761][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.559761][ T72] [ 5833.561836][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5833.561836][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5833.561836][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5833.561836][ T72] ipv6_find_idev+0x102/0x170 [ 5833.561836][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.561836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.561836][ T72] netlink_rcv_skb+0x130/0x360 [ 5833.561836][ T72] netlink_unicast+0x449/0x710 [ 5833.561836][ T72] netlink_sendmsg+0x723/0xbe0 [ 5833.561836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5833.561836][ T72] ___sys_sendmsg+0xee/0x170 [ 5833.561836][ T72] __sys_sendmsg+0xcd/0x170 [ 5833.561836][ T72] do_syscall_64+0xc6/0x1e0 [ 5833.561836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.561836][ T72] [ 5843.816983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5843.817514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5843.817514][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5843.817514][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5843.817514][ T72] fib6_nh_init+0xa22/0x1580 [ 5843.817514][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.817514][ T72] ip6_route_add+0x1c/0x140 [ 5843.817514][ T72] inet6_rtm_newroute+0x104/0x110 [ 5843.817514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.817514][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.817514][ T72] netlink_unicast+0x449/0x710 [ 5843.817514][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.817514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.817514][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.817514][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.817514][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.817514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.817514][ T72] [ 5843.819868][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5843.819868][ T72] dst_init+0x84/0x4a0 [ 5843.819868][ T72] dst_alloc+0x97/0x150 [ 5843.819868][ T72] ip6_dst_alloc+0x23/0x90 [ 5843.819868][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5843.819868][ T72] ip6_pol_route+0x56f/0x840 [ 5843.819868][ T72] fib6_rule_lookup+0x456/0x630 [ 5843.819868][ T72] ip6_route_input+0x59c/0xa50 [ 5843.819868][ T72] ipv6_rcv+0x397/0x810 [ 5843.819868][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5843.819868][ T72] process_backlog+0x101/0x620 [ 5843.819868][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5843.819868][ T72] net_rx_action+0x495/0xbe0 [ 5843.819868][ T72] __do_softirq+0x1b5/0x7f6 [ 5843.819868][ T72] [ 5843.821892][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5843.821892][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.821892][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.821892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.821892][ T72] ip6_route_add+0x1c/0x140 [ 5843.821892][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5843.821892][ T72] inet6_addr_add+0x4f8/0xa40 [ 5843.821892][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.821892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.821892][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.821892][ T72] netlink_unicast+0x449/0x710 [ 5843.821892][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.821892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.821892][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.821892][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.821892][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.821892][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.821892][ T72] [ 5843.824346][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5843.824346][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.824346][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.824346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.824346][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5843.824346][ T72] ipv6_add_addr+0x411/0x2000 [ 5843.824346][ T72] inet6_addr_add+0x30e/0xa40 [ 5843.824346][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.824346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.824346][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.824346][ T72] netlink_unicast+0x449/0x710 [ 5843.824346][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.824346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.824346][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.824346][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.824346][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.824346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.824346][ T72] [ 5843.826800][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5843.826800][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.826800][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.826800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.826800][ T72] ip6_route_add+0x1c/0x140 [ 5843.826800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5843.826800][ T72] addrconf_add_dev+0xe2/0x170 [ 5843.826800][ T72] inet6_addr_add+0x12f/0xa40 [ 5843.826800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.826800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.826800][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.826800][ T72] netlink_unicast+0x449/0x710 [ 5843.826800][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.826800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.826800][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.826800][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.826800][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.826800][ T72] [ 5843.829212][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5843.829212][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5843.829212][ T72] ipv6_find_idev+0x102/0x170 [ 5843.829212][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.829212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.829212][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.829212][ T72] netlink_unicast+0x449/0x710 [ 5843.829212][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.829212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.829212][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.829212][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.829212][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.829212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.829212][ T72] [ 5843.831119][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5843.831119][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5843.831119][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5843.831119][ T72] ipv6_find_idev+0x102/0x170 [ 5843.831119][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.831119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.831119][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.831119][ T72] netlink_unicast+0x449/0x710 [ 5843.831119][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.831119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.831119][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.831119][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.831119][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.831119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.831119][ T72] [ 5843.833228][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5843.833565][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5843.833565][ T72] dst_init+0x84/0x4a0 [ 5843.833565][ T72] dst_alloc+0x97/0x150 [ 5843.833565][ T72] ip6_dst_alloc+0x23/0x90 [ 5843.833565][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5843.833565][ T72] ip6_pol_route+0x56f/0x840 [ 5843.833565][ T72] fib6_rule_lookup+0x456/0x630 [ 5843.833565][ T72] ip6_route_input+0x59c/0xa50 [ 5843.833565][ T72] ipv6_rcv+0x397/0x810 [ 5843.833565][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5843.833565][ T72] process_backlog+0x101/0x620 [ 5843.833565][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5843.833565][ T72] net_rx_action+0x495/0xbe0 [ 5843.833565][ T72] __do_softirq+0x1b5/0x7f6 [ 5843.833565][ T72] [ 5843.835577][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5843.835577][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.835577][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.835577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.835577][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5843.835577][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5843.835577][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5843.835577][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5843.835577][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5843.835577][ T72] addrconf_dad_begin+0x310/0x670 [ 5843.835577][ T72] addrconf_dad_work+0x10b/0xab0 [ 5843.835577][ T72] process_one_work+0x84d/0x18a0 [ 5843.835577][ T72] worker_thread+0x587/0xd30 [ 5843.835577][ T72] kthread+0x28a/0x350 [ 5843.835577][ T72] ret_from_fork+0x31/0x70 [ 5843.835577][ T72] ret_from_fork_asm+0x1a/0x30 [ 5843.835577][ T72] [ 5843.837927][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5843.837927][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.837927][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.837927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.837927][ T72] ip6_route_add+0x1c/0x140 [ 5843.837927][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5843.837927][ T72] inet6_addr_add+0x4f8/0xa40 [ 5843.837927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.837927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.837927][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.837927][ T72] netlink_unicast+0x449/0x710 [ 5843.837927][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.837927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.837927][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.837927][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.837927][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.837927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.837927][ T72] [ 5843.840378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5843.840378][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.840378][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.840378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.840378][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5843.840378][ T72] ipv6_add_addr+0x411/0x2000 [ 5843.840378][ T72] inet6_addr_add+0x30e/0xa40 [ 5843.840378][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.840378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.840378][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.840378][ T72] netlink_unicast+0x449/0x710 [ 5843.840378][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.840378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.840378][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.840378][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.840378][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.840378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.840378][ T72] [ 5843.842861][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5843.842861][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.842861][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.842861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.842861][ T72] ip6_route_add+0x1c/0x140 [ 5843.842861][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5843.842861][ T72] addrconf_add_dev+0xe2/0x170 [ 5843.842861][ T72] inet6_addr_add+0x12f/0xa40 [ 5843.842861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.842861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.842861][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.842861][ T72] netlink_unicast+0x449/0x710 [ 5843.842861][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.842861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.842861][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.842861][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.842861][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.842861][ T72] [ 5843.845269][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5843.845269][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5843.845269][ T72] ipv6_find_idev+0x102/0x170 [ 5843.845269][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.845269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.845269][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.845269][ T72] netlink_unicast+0x449/0x710 [ 5843.845269][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.845269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.845269][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.845269][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.845269][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.845269][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.845269][ T72] [ 5843.847149][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5843.847149][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5843.847149][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5843.847149][ T72] ipv6_find_idev+0x102/0x170 [ 5843.847149][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.847149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.847149][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.847149][ T72] netlink_unicast+0x449/0x710 [ 5843.847149][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.847149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.847149][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.847149][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.847149][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.847149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.847149][ T72] [ 5843.849338][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5843.849681][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5843.849681][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5843.849681][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5843.849681][ T72] fib6_nh_init+0xa22/0x1580 [ 5843.849681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.849681][ T72] ip6_route_add+0x1c/0x140 [ 5843.849681][ T72] inet6_rtm_newroute+0x104/0x110 [ 5843.849681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.849681][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.849681][ T72] netlink_unicast+0x449/0x710 [ 5843.849681][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.849681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.849681][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.849681][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.849681][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.849681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.849681][ T72] [ 5843.852293][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5843.852293][ T72] dst_init+0x84/0x4a0 [ 5843.852293][ T72] dst_alloc+0x97/0x150 [ 5843.852293][ T72] ip6_dst_alloc+0x23/0x90 [ 5843.852293][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5843.852293][ T72] ip6_pol_route+0x56f/0x840 [ 5843.852293][ T72] fib6_rule_lookup+0x456/0x630 [ 5843.852293][ T72] ip6_route_input+0x59c/0xa50 [ 5843.852293][ T72] ipv6_rcv+0x397/0x810 [ 5843.852293][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5843.852293][ T72] process_backlog+0x101/0x620 [ 5843.852293][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5843.852293][ T72] net_rx_action+0x495/0xbe0 [ 5843.852293][ T72] __do_softirq+0x1b5/0x7f6 [ 5843.852293][ T72] [ 5843.854453][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5843.854453][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.854453][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.854453][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.854453][ T72] ip6_route_add+0x1c/0x140 [ 5843.854453][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5843.854453][ T72] inet6_addr_add+0x4f8/0xa40 [ 5843.854453][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.854453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.854453][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.854453][ T72] netlink_unicast+0x449/0x710 [ 5843.854453][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.854453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.854453][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.854453][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.854453][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.854453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.854453][ T72] [ 5843.857125][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5843.857125][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.857125][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.857125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.857125][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5843.857125][ T72] ipv6_add_addr+0x411/0x2000 [ 5843.857125][ T72] inet6_addr_add+0x30e/0xa40 [ 5843.857125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.857125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.857125][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.857125][ T72] netlink_unicast+0x449/0x710 [ 5843.857125][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.857125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.857125][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.857125][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.857125][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.857125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.857125][ T72] [ 5843.859835][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5843.859835][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.859835][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.859835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.859835][ T72] ip6_route_add+0x1c/0x140 [ 5843.859835][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5843.859835][ T72] addrconf_add_dev+0xe2/0x170 [ 5843.859835][ T72] inet6_addr_add+0x12f/0xa40 [ 5843.859835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.859835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.859835][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.859835][ T72] netlink_unicast+0x449/0x710 [ 5843.859835][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.859835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.859835][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.859835][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.859835][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.859835][ T72] [ 5843.862128][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5843.862128][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5843.862128][ T72] ipv6_find_idev+0x102/0x170 [ 5843.862128][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.862128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.862128][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.862128][ T72] netlink_unicast+0x449/0x710 [ 5843.862128][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.862128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.862128][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.862128][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.862128][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.862128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.862128][ T72] [ 5843.863861][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5843.863861][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5843.863861][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5843.863861][ T72] ipv6_find_idev+0x102/0x170 [ 5843.863861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.863861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.863861][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.863861][ T72] netlink_unicast+0x449/0x710 [ 5843.863861][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.863861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.863861][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.863861][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.863861][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.863861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.863861][ T72] [ 5843.865755][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5843.866542][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5843.866542][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.866542][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.866542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.866542][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5843.866542][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5843.866542][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5843.866542][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5843.866542][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5843.866542][ T72] addrconf_dad_begin+0x310/0x670 [ 5843.866542][ T72] addrconf_dad_work+0x10b/0xab0 [ 5843.866542][ T72] process_one_work+0x84d/0x18a0 [ 5843.866542][ T72] worker_thread+0x587/0xd30 [ 5843.866542][ T72] kthread+0x28a/0x350 [ 5843.866542][ T72] ret_from_fork+0x31/0x70 [ 5843.866542][ T72] ret_from_fork_asm+0x1a/0x30 [ 5843.866542][ T72] [ 5843.868473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5843.868473][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.868473][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.868473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.868473][ T72] ip6_route_add+0x1c/0x140 [ 5843.868473][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5843.868473][ T72] inet6_addr_add+0x4f8/0xa40 [ 5843.868473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.868473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.868473][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.868473][ T72] netlink_unicast+0x449/0x710 [ 5843.868473][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.868473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.868473][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.868473][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.868473][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.868473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.868473][ T72] [ 5843.870475][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5843.870475][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.870475][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.870475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.870475][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5843.870475][ T72] ipv6_add_addr+0x411/0x2000 [ 5843.870475][ T72] inet6_addr_add+0x30e/0xa40 [ 5843.870475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.870475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.870475][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.870475][ T72] netlink_unicast+0x449/0x710 [ 5843.870475][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.870475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.870475][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.870475][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.870475][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.870475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.870475][ T72] [ 5843.872760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5843.872760][ T72] netdev_get_by_index+0x5e/0x80 [ 5843.872760][ T72] fib6_nh_init+0x3d8/0x1580 [ 5843.872760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5843.872760][ T72] ip6_route_add+0x1c/0x140 [ 5843.872760][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5843.872760][ T72] addrconf_add_dev+0xe2/0x170 [ 5843.872760][ T72] inet6_addr_add+0x12f/0xa40 [ 5843.872760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.872760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.872760][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.872760][ T72] netlink_unicast+0x449/0x710 [ 5843.872760][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.872760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.872760][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.872760][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.872760][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.872760][ T72] [ 5843.875037][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5843.875037][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5843.875037][ T72] ipv6_find_idev+0x102/0x170 [ 5843.875037][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.875037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.875037][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.875037][ T72] netlink_unicast+0x449/0x710 [ 5843.875037][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.875037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.875037][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.875037][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.875037][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.875037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.875037][ T72] [ 5843.876768][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5843.876768][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5843.876768][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5843.876768][ T72] ipv6_find_idev+0x102/0x170 [ 5843.876768][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.876768][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.876768][ T72] netlink_rcv_skb+0x130/0x360 [ 5843.876768][ T72] netlink_unicast+0x449/0x710 [ 5843.876768][ T72] netlink_sendmsg+0x723/0xbe0 [ 5843.876768][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5843.876768][ T72] ___sys_sendmsg+0xee/0x170 [ 5843.876768][ T72] __sys_sendmsg+0xcd/0x170 [ 5843.876768][ T72] do_syscall_64+0xc6/0x1e0 [ 5843.876768][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.876768][ T72] [ 5854.128970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5854.129650][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5854.129650][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5854.129650][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5854.129650][ T72] fib6_nh_init+0xa22/0x1580 [ 5854.129650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.129650][ T72] ip6_route_add+0x1c/0x140 [ 5854.129650][ T72] inet6_rtm_newroute+0x104/0x110 [ 5854.129650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.129650][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.129650][ T72] netlink_unicast+0x449/0x710 [ 5854.129650][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.129650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.129650][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.129650][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.129650][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.129650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.129650][ T72] [ 5854.131547][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5854.131547][ T72] dst_init+0x84/0x4a0 [ 5854.131547][ T72] dst_alloc+0x97/0x150 [ 5854.131547][ T72] ip6_dst_alloc+0x23/0x90 [ 5854.131547][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5854.131547][ T72] ip6_pol_route+0x56f/0x840 [ 5854.131547][ T72] fib6_rule_lookup+0x456/0x630 [ 5854.131547][ T72] ip6_route_input+0x59c/0xa50 [ 5854.131547][ T72] ipv6_rcv+0x397/0x810 [ 5854.131547][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5854.131547][ T72] process_backlog+0x101/0x620 [ 5854.131547][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5854.131547][ T72] net_rx_action+0x495/0xbe0 [ 5854.131547][ T72] __do_softirq+0x1b5/0x7f6 [ 5854.131547][ T72] [ 5854.133153][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5854.133153][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.133153][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.133153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.133153][ T72] ip6_route_add+0x1c/0x140 [ 5854.133153][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5854.133153][ T72] inet6_addr_add+0x4f8/0xa40 [ 5854.133153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.133153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.133153][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.133153][ T72] netlink_unicast+0x449/0x710 [ 5854.133153][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.133153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.133153][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.133153][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.133153][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.133153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.133153][ T72] [ 5854.135101][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5854.135101][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.135101][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.135101][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.135101][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5854.135101][ T72] ipv6_add_addr+0x411/0x2000 [ 5854.135101][ T72] inet6_addr_add+0x30e/0xa40 [ 5854.135101][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.135101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.135101][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.135101][ T72] netlink_unicast+0x449/0x710 [ 5854.135101][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.135101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.135101][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.135101][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.135101][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.135101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.135101][ T72] [ 5854.137075][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5854.137075][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.137075][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.137075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.137075][ T72] ip6_route_add+0x1c/0x140 [ 5854.137075][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5854.137075][ T72] addrconf_add_dev+0xe2/0x170 [ 5854.137075][ T72] inet6_addr_add+0x12f/0xa40 [ 5854.137075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.137075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.137075][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.137075][ T72] netlink_unicast+0x449/0x710 [ 5854.137075][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.137075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.137075][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.137075][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.137075][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.137075][ T72] [ 5854.138970][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5854.138970][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5854.138970][ T72] ipv6_find_idev+0x102/0x170 [ 5854.138970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.138970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.138970][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.138970][ T72] netlink_unicast+0x449/0x710 [ 5854.138970][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.138970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.138970][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.138970][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.138970][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.138970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.138970][ T72] [ 5854.140461][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5854.140461][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5854.140461][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5854.140461][ T72] ipv6_find_idev+0x102/0x170 [ 5854.140461][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.140461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.140461][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.140461][ T72] netlink_unicast+0x449/0x710 [ 5854.140461][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.140461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.140461][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.140461][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.140461][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.140461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.140461][ T72] [ 5854.142166][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5854.142433][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5854.142433][ T72] dst_init+0x84/0x4a0 [ 5854.142433][ T72] dst_alloc+0x97/0x150 [ 5854.142433][ T72] ip6_dst_alloc+0x23/0x90 [ 5854.142433][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5854.142433][ T72] ip6_pol_route+0x56f/0x840 [ 5854.142433][ T72] fib6_rule_lookup+0x456/0x630 [ 5854.142433][ T72] ip6_route_input+0x59c/0xa50 [ 5854.142433][ T72] ipv6_rcv+0x397/0x810 [ 5854.142433][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5854.142433][ T72] process_backlog+0x101/0x620 [ 5854.142433][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5854.142433][ T72] net_rx_action+0x495/0xbe0 [ 5854.142433][ T72] __do_softirq+0x1b5/0x7f6 [ 5854.142433][ T72] [ 5854.144052][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5854.144052][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.144052][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.144052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.144052][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5854.144052][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5854.144052][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5854.144052][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5854.144052][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5854.144052][ T72] addrconf_dad_begin+0x310/0x670 [ 5854.144052][ T72] addrconf_dad_work+0x10b/0xab0 [ 5854.144052][ T72] process_one_work+0x84d/0x18a0 [ 5854.144052][ T72] worker_thread+0x587/0xd30 [ 5854.144052][ T72] kthread+0x28a/0x350 [ 5854.144052][ T72] ret_from_fork+0x31/0x70 [ 5854.144052][ T72] ret_from_fork_asm+0x1a/0x30 [ 5854.144052][ T72] [ 5854.145900][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5854.145900][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.145900][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.145900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.145900][ T72] ip6_route_add+0x1c/0x140 [ 5854.145900][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5854.145900][ T72] inet6_addr_add+0x4f8/0xa40 [ 5854.145900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.145900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.145900][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.145900][ T72] netlink_unicast+0x449/0x710 [ 5854.145900][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.145900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.145900][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.145900][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.145900][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.145900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.145900][ T72] [ 5854.147868][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5854.147868][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.147868][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.147868][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.147868][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5854.147868][ T72] ipv6_add_addr+0x411/0x2000 [ 5854.147868][ T72] inet6_addr_add+0x30e/0xa40 [ 5854.147868][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.147868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.147868][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.147868][ T72] netlink_unicast+0x449/0x710 [ 5854.147868][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.147868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.147868][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.147868][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.147868][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.147868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.147868][ T72] [ 5854.149819][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5854.149819][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.149819][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.149819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.149819][ T72] ip6_route_add+0x1c/0x140 [ 5854.149819][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5854.149819][ T72] addrconf_add_dev+0xe2/0x170 [ 5854.149819][ T72] inet6_addr_add+0x12f/0xa40 [ 5854.149819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.149819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.149819][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.149819][ T72] netlink_unicast+0x449/0x710 [ 5854.149819][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.149819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.149819][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.149819][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.149819][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.149819][ T72] [ 5854.151989][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5854.151989][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5854.151989][ T72] ipv6_find_idev+0x102/0x170 [ 5854.151989][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.151989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.151989][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.151989][ T72] netlink_unicast+0x449/0x710 [ 5854.151989][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.151989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.151989][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.151989][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.151989][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.151989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.151989][ T72] [ 5854.153662][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5854.153662][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5854.153662][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5854.153662][ T72] ipv6_find_idev+0x102/0x170 [ 5854.153662][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.153662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.153662][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.153662][ T72] netlink_unicast+0x449/0x710 [ 5854.153662][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.153662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.153662][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.153662][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.153662][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.153662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.153662][ T72] [ 5854.155581][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5854.155965][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5854.155965][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5854.155965][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5854.155965][ T72] fib6_nh_init+0xa22/0x1580 [ 5854.155965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.155965][ T72] ip6_route_add+0x1c/0x140 [ 5854.155965][ T72] inet6_rtm_newroute+0x104/0x110 [ 5854.155965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.155965][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.155965][ T72] netlink_unicast+0x449/0x710 [ 5854.155965][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.155965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.155965][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.155965][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.155965][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.155965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.155965][ T72] [ 5854.158219][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5854.158219][ T72] dst_init+0x84/0x4a0 [ 5854.158219][ T72] dst_alloc+0x97/0x150 [ 5854.158219][ T72] ip6_dst_alloc+0x23/0x90 [ 5854.158219][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5854.158219][ T72] ip6_pol_route+0x56f/0x840 [ 5854.158219][ T72] fib6_rule_lookup+0x456/0x630 [ 5854.158219][ T72] ip6_route_input+0x59c/0xa50 [ 5854.158219][ T72] ipv6_rcv+0x397/0x810 [ 5854.158219][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5854.158219][ T72] process_backlog+0x101/0x620 [ 5854.158219][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5854.158219][ T72] net_rx_action+0x495/0xbe0 [ 5854.158219][ T72] __do_softirq+0x1b5/0x7f6 [ 5854.158219][ T72] [ 5854.160201][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5854.160201][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.160201][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.160201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.160201][ T72] ip6_route_add+0x1c/0x140 [ 5854.160201][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5854.160201][ T72] inet6_addr_add+0x4f8/0xa40 [ 5854.160201][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.160201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.160201][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.160201][ T72] netlink_unicast+0x449/0x710 [ 5854.160201][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.160201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.160201][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.160201][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.160201][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.160201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.160201][ T72] [ 5854.162658][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5854.162658][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.162658][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.162658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.162658][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5854.162658][ T72] ipv6_add_addr+0x411/0x2000 [ 5854.162658][ T72] inet6_addr_add+0x30e/0xa40 [ 5854.162658][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.162658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.162658][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.162658][ T72] netlink_unicast+0x449/0x710 [ 5854.162658][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.162658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.162658][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.162658][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.162658][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.162658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.162658][ T72] [ 5854.165125][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5854.165125][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.165125][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.165125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.165125][ T72] ip6_route_add+0x1c/0x140 [ 5854.165125][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5854.165125][ T72] addrconf_add_dev+0xe2/0x170 [ 5854.165125][ T72] inet6_addr_add+0x12f/0xa40 [ 5854.165125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.165125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.165125][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.165125][ T72] netlink_unicast+0x449/0x710 [ 5854.165125][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.165125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.165125][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.165125][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.165125][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.165125][ T72] [ 5854.167599][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5854.167599][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5854.167599][ T72] ipv6_find_idev+0x102/0x170 [ 5854.167599][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.167599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.167599][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.167599][ T72] netlink_unicast+0x449/0x710 [ 5854.167599][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.167599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.167599][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.167599][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.167599][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.167599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.167599][ T72] [ 5854.169503][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5854.169503][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5854.169503][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5854.169503][ T72] ipv6_find_idev+0x102/0x170 [ 5854.169503][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.169503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.169503][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.169503][ T72] netlink_unicast+0x449/0x710 [ 5854.169503][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.169503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.169503][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.169503][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.169503][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.169503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.169503][ T72] [ 5854.171580][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5854.171957][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5854.171957][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.171957][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.171957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.171957][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5854.171957][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5854.171957][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5854.171957][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5854.171957][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5854.171957][ T72] addrconf_dad_begin+0x310/0x670 [ 5854.171957][ T72] addrconf_dad_work+0x10b/0xab0 [ 5854.171957][ T72] process_one_work+0x84d/0x18a0 [ 5854.171957][ T72] worker_thread+0x587/0xd30 [ 5854.171957][ T72] kthread+0x28a/0x350 [ 5854.171957][ T72] ret_from_fork+0x31/0x70 [ 5854.171957][ T72] ret_from_fork_asm+0x1a/0x30 [ 5854.171957][ T72] [ 5854.174267][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5854.174267][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.174267][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.174267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.174267][ T72] ip6_route_add+0x1c/0x140 [ 5854.174267][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5854.174267][ T72] inet6_addr_add+0x4f8/0xa40 [ 5854.174267][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.174267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.174267][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.174267][ T72] netlink_unicast+0x449/0x710 [ 5854.174267][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.174267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.174267][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.174267][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.174267][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.174267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.174267][ T72] [ 5854.176716][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5854.176716][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.176716][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.176716][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.176716][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5854.176716][ T72] ipv6_add_addr+0x411/0x2000 [ 5854.176716][ T72] inet6_addr_add+0x30e/0xa40 [ 5854.176716][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.176716][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.176716][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.176716][ T72] netlink_unicast+0x449/0x710 [ 5854.176716][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.176716][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.176716][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.176716][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.176716][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.176716][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.176716][ T72] [ 5854.179253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5854.179253][ T72] netdev_get_by_index+0x5e/0x80 [ 5854.179253][ T72] fib6_nh_init+0x3d8/0x1580 [ 5854.179253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5854.179253][ T72] ip6_route_add+0x1c/0x140 [ 5854.179253][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5854.179253][ T72] addrconf_add_dev+0xe2/0x170 [ 5854.179253][ T72] inet6_addr_add+0x12f/0xa40 [ 5854.179253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.179253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.179253][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.179253][ T72] netlink_unicast+0x449/0x710 [ 5854.179253][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.179253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.179253][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.179253][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.179253][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.179253][ T72] [ 5854.181666][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5854.181666][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5854.181666][ T72] ipv6_find_idev+0x102/0x170 [ 5854.181666][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.181666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.181666][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.181666][ T72] netlink_unicast+0x449/0x710 [ 5854.181666][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.181666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.181666][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.181666][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.181666][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.181666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.181666][ T72] [ 5854.183510][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5854.183510][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5854.183510][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5854.183510][ T72] ipv6_find_idev+0x102/0x170 [ 5854.183510][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.183510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.183510][ T72] netlink_rcv_skb+0x130/0x360 [ 5854.183510][ T72] netlink_unicast+0x449/0x710 [ 5854.183510][ T72] netlink_sendmsg+0x723/0xbe0 [ 5854.183510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5854.183510][ T72] ___sys_sendmsg+0xee/0x170 [ 5854.183510][ T72] __sys_sendmsg+0xcd/0x170 [ 5854.183510][ T72] do_syscall_64+0xc6/0x1e0 [ 5854.183510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.183510][ T72] [ 5864.440989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5864.441636][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5864.441636][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5864.441636][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5864.441636][ T72] fib6_nh_init+0xa22/0x1580 [ 5864.441636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.441636][ T72] ip6_route_add+0x1c/0x140 [ 5864.441636][ T72] inet6_rtm_newroute+0x104/0x110 [ 5864.441636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.441636][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.441636][ T72] netlink_unicast+0x449/0x710 [ 5864.441636][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.441636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.441636][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.441636][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.441636][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.441636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.441636][ T72] [ 5864.443535][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5864.443535][ T72] dst_init+0x84/0x4a0 [ 5864.443535][ T72] dst_alloc+0x97/0x150 [ 5864.443535][ T72] ip6_dst_alloc+0x23/0x90 [ 5864.443535][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5864.443535][ T72] ip6_pol_route+0x56f/0x840 [ 5864.443535][ T72] fib6_rule_lookup+0x456/0x630 [ 5864.443535][ T72] ip6_route_input+0x59c/0xa50 [ 5864.443535][ T72] ipv6_rcv+0x397/0x810 [ 5864.443535][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5864.443535][ T72] process_backlog+0x101/0x620 [ 5864.443535][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5864.443535][ T72] net_rx_action+0x495/0xbe0 [ 5864.443535][ T72] __do_softirq+0x1b5/0x7f6 [ 5864.443535][ T72] [ 5864.445144][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5864.445144][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.445144][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.445144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.445144][ T72] ip6_route_add+0x1c/0x140 [ 5864.445144][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5864.445144][ T72] inet6_addr_add+0x4f8/0xa40 [ 5864.445144][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.445144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.445144][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.445144][ T72] netlink_unicast+0x449/0x710 [ 5864.445144][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.445144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.445144][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.445144][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.445144][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.445144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.445144][ T72] [ 5864.447129][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5864.447129][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.447129][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.447129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.447129][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5864.447129][ T72] ipv6_add_addr+0x411/0x2000 [ 5864.447129][ T72] inet6_addr_add+0x30e/0xa40 [ 5864.447129][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.447129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.447129][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.447129][ T72] netlink_unicast+0x449/0x710 [ 5864.447129][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.447129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.447129][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.447129][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.447129][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.447129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.447129][ T72] [ 5864.449095][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5864.449095][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.449095][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.449095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.449095][ T72] ip6_route_add+0x1c/0x140 [ 5864.449095][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5864.449095][ T72] addrconf_add_dev+0xe2/0x170 [ 5864.449095][ T72] inet6_addr_add+0x12f/0xa40 [ 5864.449095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.449095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.449095][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.449095][ T72] netlink_unicast+0x449/0x710 [ 5864.449095][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.449095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.449095][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.449095][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.449095][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.449095][ T72] [ 5864.451009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5864.451009][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5864.451009][ T72] ipv6_find_idev+0x102/0x170 [ 5864.451009][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.451009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.451009][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.451009][ T72] netlink_unicast+0x449/0x710 [ 5864.451009][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.451009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.451009][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.451009][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.451009][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.451009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.451009][ T72] [ 5864.452520][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5864.452520][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5864.452520][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5864.452520][ T72] ipv6_find_idev+0x102/0x170 [ 5864.452520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.452520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.452520][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.452520][ T72] netlink_unicast+0x449/0x710 [ 5864.452520][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.452520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.452520][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.452520][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.452520][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.452520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.452520][ T72] [ 5864.454171][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5864.454450][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5864.454450][ T72] dst_init+0x84/0x4a0 [ 5864.454450][ T72] dst_alloc+0x97/0x150 [ 5864.454450][ T72] ip6_dst_alloc+0x23/0x90 [ 5864.454450][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5864.454450][ T72] ip6_pol_route+0x56f/0x840 [ 5864.454450][ T72] fib6_rule_lookup+0x456/0x630 [ 5864.454450][ T72] ip6_route_input+0x59c/0xa50 [ 5864.454450][ T72] ipv6_rcv+0x397/0x810 [ 5864.454450][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5864.454450][ T72] process_backlog+0x101/0x620 [ 5864.454450][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5864.454450][ T72] net_rx_action+0x495/0xbe0 [ 5864.454450][ T72] __do_softirq+0x1b5/0x7f6 [ 5864.454450][ T72] [ 5864.456114][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5864.456114][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.456114][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.456114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.456114][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5864.456114][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5864.456114][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5864.456114][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5864.456114][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5864.456114][ T72] addrconf_dad_begin+0x310/0x670 [ 5864.456114][ T72] addrconf_dad_work+0x10b/0xab0 [ 5864.456114][ T72] process_one_work+0x84d/0x18a0 [ 5864.456114][ T72] worker_thread+0x587/0xd30 [ 5864.456114][ T72] kthread+0x28a/0x350 [ 5864.456114][ T72] ret_from_fork+0x31/0x70 [ 5864.456114][ T72] ret_from_fork_asm+0x1a/0x30 [ 5864.456114][ T72] [ 5864.458067][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5864.458067][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.458067][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.458067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.458067][ T72] ip6_route_add+0x1c/0x140 [ 5864.458067][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5864.458067][ T72] inet6_addr_add+0x4f8/0xa40 [ 5864.458067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.458067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.458067][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.458067][ T72] netlink_unicast+0x449/0x710 [ 5864.458067][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.458067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.458067][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.458067][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.458067][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.458067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.458067][ T72] [ 5864.460552][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5864.460552][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.460552][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.460552][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.460552][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5864.460552][ T72] ipv6_add_addr+0x411/0x2000 [ 5864.460552][ T72] inet6_addr_add+0x30e/0xa40 [ 5864.460552][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.460552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.460552][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.460552][ T72] netlink_unicast+0x449/0x710 [ 5864.460552][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.460552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.460552][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.460552][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.460552][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.460552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.460552][ T72] [ 5864.462554][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5864.462554][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.462554][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.462554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.462554][ T72] ip6_route_add+0x1c/0x140 [ 5864.462554][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5864.462554][ T72] addrconf_add_dev+0xe2/0x170 [ 5864.462554][ T72] inet6_addr_add+0x12f/0xa40 [ 5864.462554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.462554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.462554][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.462554][ T72] netlink_unicast+0x449/0x710 [ 5864.462554][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.462554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.462554][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.462554][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.462554][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.462554][ T72] [ 5864.464456][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5864.464456][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5864.464456][ T72] ipv6_find_idev+0x102/0x170 [ 5864.464456][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.464456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.464456][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.464456][ T72] netlink_unicast+0x449/0x710 [ 5864.464456][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.464456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.464456][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.464456][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.464456][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.464456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.464456][ T72] [ 5864.466001][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5864.466001][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5864.466001][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5864.466001][ T72] ipv6_find_idev+0x102/0x170 [ 5864.466001][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.466001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.466001][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.466001][ T72] netlink_unicast+0x449/0x710 [ 5864.466001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.466001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.466001][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.466001][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.466001][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.466001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.466001][ T72] [ 5864.496519][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5864.496904][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5864.496904][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5864.496904][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5864.496904][ T72] fib6_nh_init+0xa22/0x1580 [ 5864.496904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.496904][ T72] ip6_route_add+0x1c/0x140 [ 5864.496904][ T72] inet6_rtm_newroute+0x104/0x110 [ 5864.496904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.496904][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.496904][ T72] netlink_unicast+0x449/0x710 [ 5864.496904][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.496904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.496904][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.496904][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.496904][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.496904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.496904][ T72] [ 5864.524995][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5864.524995][ T72] dst_init+0x84/0x4a0 [ 5864.524995][ T72] dst_alloc+0x97/0x150 [ 5864.524995][ T72] ip6_dst_alloc+0x23/0x90 [ 5864.524995][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5864.524995][ T72] ip6_pol_route+0x56f/0x840 [ 5864.524995][ T72] fib6_rule_lookup+0x456/0x630 [ 5864.524995][ T72] ip6_route_input+0x59c/0xa50 [ 5864.524995][ T72] ipv6_rcv+0x397/0x810 [ 5864.524995][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5864.524995][ T72] process_backlog+0x101/0x620 [ 5864.524995][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5864.524995][ T72] net_rx_action+0x495/0xbe0 [ 5864.524995][ T72] __do_softirq+0x1b5/0x7f6 [ 5864.524995][ T72] [ 5864.526809][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5864.526809][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.526809][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.526809][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.526809][ T72] ip6_route_add+0x1c/0x140 [ 5864.526809][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5864.526809][ T72] inet6_addr_add+0x4f8/0xa40 [ 5864.526809][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.526809][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.526809][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.526809][ T72] netlink_unicast+0x449/0x710 [ 5864.526809][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.526809][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.526809][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.526809][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.526809][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.526809][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.526809][ T72] [ 5864.529033][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5864.529033][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.529033][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.529033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.529033][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5864.529033][ T72] ipv6_add_addr+0x411/0x2000 [ 5864.529033][ T72] inet6_addr_add+0x30e/0xa40 [ 5864.529033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.529033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.529033][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.529033][ T72] netlink_unicast+0x449/0x710 [ 5864.529033][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.529033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.529033][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.529033][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.529033][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.529033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.529033][ T72] [ 5864.531215][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5864.531215][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.531215][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.531215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.531215][ T72] ip6_route_add+0x1c/0x140 [ 5864.531215][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5864.531215][ T72] addrconf_add_dev+0xe2/0x170 [ 5864.531215][ T72] inet6_addr_add+0x12f/0xa40 [ 5864.531215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.531215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.531215][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.531215][ T72] netlink_unicast+0x449/0x710 [ 5864.531215][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.531215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.531215][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.531215][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.531215][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.531215][ T72] [ 5864.533471][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5864.533471][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5864.533471][ T72] ipv6_find_idev+0x102/0x170 [ 5864.533471][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.533471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.533471][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.533471][ T72] netlink_unicast+0x449/0x710 [ 5864.533471][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.533471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.533471][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.533471][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.533471][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.533471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.533471][ T72] [ 5864.535188][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5864.535188][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5864.535188][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5864.535188][ T72] ipv6_find_idev+0x102/0x170 [ 5864.535188][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.535188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.535188][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.535188][ T72] netlink_unicast+0x449/0x710 [ 5864.535188][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.535188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.535188][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.535188][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.535188][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.535188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.535188][ T72] [ 5864.537013][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5864.537322][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5864.537322][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.537322][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.537322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.537322][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5864.537322][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5864.537322][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5864.537322][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5864.537322][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5864.537322][ T72] addrconf_dad_begin+0x310/0x670 [ 5864.537322][ T72] addrconf_dad_work+0x10b/0xab0 [ 5864.537322][ T72] process_one_work+0x84d/0x18a0 [ 5864.537322][ T72] worker_thread+0x587/0xd30 [ 5864.537322][ T72] kthread+0x28a/0x350 [ 5864.537322][ T72] ret_from_fork+0x31/0x70 [ 5864.537322][ T72] ret_from_fork_asm+0x1a/0x30 [ 5864.537322][ T72] [ 5864.539443][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5864.539443][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.539443][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.539443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.539443][ T72] ip6_route_add+0x1c/0x140 [ 5864.539443][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5864.539443][ T72] inet6_addr_add+0x4f8/0xa40 [ 5864.539443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.539443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.539443][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.539443][ T72] netlink_unicast+0x449/0x710 [ 5864.539443][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.539443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.539443][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.539443][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.539443][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.539443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.539443][ T72] [ 5864.541668][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5864.541668][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.541668][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.541668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.541668][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5864.541668][ T72] ipv6_add_addr+0x411/0x2000 [ 5864.541668][ T72] inet6_addr_add+0x30e/0xa40 [ 5864.541668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.541668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.541668][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.541668][ T72] netlink_unicast+0x449/0x710 [ 5864.541668][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.541668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.541668][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.541668][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.541668][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.541668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.541668][ T72] [ 5864.543965][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5864.543965][ T72] netdev_get_by_index+0x5e/0x80 [ 5864.543965][ T72] fib6_nh_init+0x3d8/0x1580 [ 5864.543965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5864.543965][ T72] ip6_route_add+0x1c/0x140 [ 5864.543965][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5864.543965][ T72] addrconf_add_dev+0xe2/0x170 [ 5864.543965][ T72] inet6_addr_add+0x12f/0xa40 [ 5864.543965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.543965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.543965][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.543965][ T72] netlink_unicast+0x449/0x710 [ 5864.543965][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.543965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.543965][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.543965][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.543965][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.543965][ T72] [ 5864.546126][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5864.546126][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5864.546126][ T72] ipv6_find_idev+0x102/0x170 [ 5864.546126][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.546126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.546126][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.546126][ T72] netlink_unicast+0x449/0x710 [ 5864.546126][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.546126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.546126][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.546126][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.546126][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.546126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.546126][ T72] [ 5864.547787][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5864.547787][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5864.547787][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5864.547787][ T72] ipv6_find_idev+0x102/0x170 [ 5864.547787][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.547787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.547787][ T72] netlink_rcv_skb+0x130/0x360 [ 5864.547787][ T72] netlink_unicast+0x449/0x710 [ 5864.547787][ T72] netlink_sendmsg+0x723/0xbe0 [ 5864.547787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5864.547787][ T72] ___sys_sendmsg+0xee/0x170 [ 5864.547787][ T72] __sys_sendmsg+0xcd/0x170 [ 5864.547787][ T72] do_syscall_64+0xc6/0x1e0 [ 5864.547787][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.547787][ T72] [ 5874.576976][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5874.577492][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5874.577492][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5874.577492][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5874.577492][ T72] fib6_nh_init+0xa22/0x1580 [ 5874.577492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.577492][ T72] ip6_route_add+0x1c/0x140 [ 5874.577492][ T72] inet6_rtm_newroute+0x104/0x110 [ 5874.577492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.577492][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.577492][ T72] netlink_unicast+0x449/0x710 [ 5874.577492][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.577492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.577492][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.577492][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.577492][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.577492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.577492][ T72] [ 5874.579340][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5874.579340][ T72] dst_init+0x84/0x4a0 [ 5874.579340][ T72] dst_alloc+0x97/0x150 [ 5874.579340][ T72] ip6_dst_alloc+0x23/0x90 [ 5874.579340][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5874.579340][ T72] ip6_pol_route+0x56f/0x840 [ 5874.579340][ T72] fib6_rule_lookup+0x456/0x630 [ 5874.579340][ T72] ip6_route_input+0x59c/0xa50 [ 5874.579340][ T72] ipv6_rcv+0x397/0x810 [ 5874.579340][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5874.579340][ T72] process_backlog+0x101/0x620 [ 5874.579340][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5874.579340][ T72] net_rx_action+0x495/0xbe0 [ 5874.579340][ T72] __do_softirq+0x1b5/0x7f6 [ 5874.579340][ T72] [ 5874.580944][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5874.580944][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.580944][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.580944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.580944][ T72] ip6_route_add+0x1c/0x140 [ 5874.580944][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5874.580944][ T72] inet6_addr_add+0x4f8/0xa40 [ 5874.580944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.580944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.580944][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.580944][ T72] netlink_unicast+0x449/0x710 [ 5874.580944][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.580944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.580944][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.580944][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.580944][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.580944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.580944][ T72] [ 5874.582885][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5874.582885][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.582885][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.582885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.582885][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5874.582885][ T72] ipv6_add_addr+0x411/0x2000 [ 5874.582885][ T72] inet6_addr_add+0x30e/0xa40 [ 5874.582885][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.582885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.582885][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.582885][ T72] netlink_unicast+0x449/0x710 [ 5874.582885][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.582885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.582885][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.582885][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.582885][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.582885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.582885][ T72] [ 5874.584819][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5874.584819][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.584819][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.584819][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.584819][ T72] ip6_route_add+0x1c/0x140 [ 5874.584819][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5874.584819][ T72] addrconf_add_dev+0xe2/0x170 [ 5874.584819][ T72] inet6_addr_add+0x12f/0xa40 [ 5874.584819][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.584819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.584819][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.584819][ T72] netlink_unicast+0x449/0x710 [ 5874.584819][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.584819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.584819][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.584819][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.584819][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.584819][ T72] [ 5874.586724][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5874.586724][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5874.586724][ T72] ipv6_find_idev+0x102/0x170 [ 5874.586724][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.586724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.586724][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.586724][ T72] netlink_unicast+0x449/0x710 [ 5874.586724][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.586724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.586724][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.586724][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.586724][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.586724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.586724][ T72] [ 5874.588252][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5874.588252][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5874.588252][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5874.588252][ T72] ipv6_find_idev+0x102/0x170 [ 5874.588252][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.588252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.588252][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.588252][ T72] netlink_unicast+0x449/0x710 [ 5874.588252][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.588252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.588252][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.588252][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.588252][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.588252][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.588252][ T72] [ 5874.589937][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5874.590211][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5874.590211][ T72] dst_init+0x84/0x4a0 [ 5874.590211][ T72] dst_alloc+0x97/0x150 [ 5874.590211][ T72] ip6_dst_alloc+0x23/0x90 [ 5874.590211][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5874.590211][ T72] ip6_pol_route+0x56f/0x840 [ 5874.590211][ T72] fib6_rule_lookup+0x456/0x630 [ 5874.590211][ T72] ip6_route_input+0x59c/0xa50 [ 5874.590211][ T72] ipv6_rcv+0x397/0x810 [ 5874.590211][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5874.590211][ T72] process_backlog+0x101/0x620 [ 5874.590211][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5874.590211][ T72] net_rx_action+0x495/0xbe0 [ 5874.590211][ T72] __do_softirq+0x1b5/0x7f6 [ 5874.590211][ T72] [ 5874.591855][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5874.591855][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.591855][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.591855][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.591855][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5874.591855][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5874.591855][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5874.591855][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5874.591855][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5874.591855][ T72] addrconf_dad_begin+0x310/0x670 [ 5874.591855][ T72] addrconf_dad_work+0x10b/0xab0 [ 5874.591855][ T72] process_one_work+0x84d/0x18a0 [ 5874.591855][ T72] worker_thread+0x587/0xd30 [ 5874.591855][ T72] kthread+0x28a/0x350 [ 5874.591855][ T72] ret_from_fork+0x31/0x70 [ 5874.591855][ T72] ret_from_fork_asm+0x1a/0x30 [ 5874.591855][ T72] [ 5874.593760][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5874.593760][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.593760][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.593760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.593760][ T72] ip6_route_add+0x1c/0x140 [ 5874.593760][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5874.593760][ T72] inet6_addr_add+0x4f8/0xa40 [ 5874.593760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.593760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.593760][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.593760][ T72] netlink_unicast+0x449/0x710 [ 5874.593760][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.593760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.593760][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.593760][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.593760][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.593760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.593760][ T72] [ 5874.595756][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5874.595756][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.595756][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.595756][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.595756][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5874.595756][ T72] ipv6_add_addr+0x411/0x2000 [ 5874.595756][ T72] inet6_addr_add+0x30e/0xa40 [ 5874.595756][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.595756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.595756][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.595756][ T72] netlink_unicast+0x449/0x710 [ 5874.595756][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.595756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.595756][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.595756][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.595756][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.595756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.595756][ T72] [ 5874.597784][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5874.597784][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.597784][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.597784][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.597784][ T72] ip6_route_add+0x1c/0x140 [ 5874.597784][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5874.597784][ T72] addrconf_add_dev+0xe2/0x170 [ 5874.597784][ T72] inet6_addr_add+0x12f/0xa40 [ 5874.597784][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.597784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.597784][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.597784][ T72] netlink_unicast+0x449/0x710 [ 5874.597784][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.597784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.597784][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.597784][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.597784][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.597784][ T72] [ 5874.599736][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5874.599736][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5874.599736][ T72] ipv6_find_idev+0x102/0x170 [ 5874.599736][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.599736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.599736][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.599736][ T72] netlink_unicast+0x449/0x710 [ 5874.599736][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.599736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.599736][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.599736][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.599736][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.599736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.599736][ T72] [ 5874.601302][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5874.601302][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5874.601302][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5874.601302][ T72] ipv6_find_idev+0x102/0x170 [ 5874.601302][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.601302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.601302][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.601302][ T72] netlink_unicast+0x449/0x710 [ 5874.601302][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.601302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.601302][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.601302][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.601302][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.601302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.601302][ T72] [ 5874.603038][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5874.603385][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5874.603385][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5874.603385][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5874.603385][ T72] fib6_nh_init+0xa22/0x1580 [ 5874.603385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.603385][ T72] ip6_route_add+0x1c/0x140 [ 5874.603385][ T72] inet6_rtm_newroute+0x104/0x110 [ 5874.603385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.603385][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.603385][ T72] netlink_unicast+0x449/0x710 [ 5874.603385][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.603385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.603385][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.603385][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.603385][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.603385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.603385][ T72] [ 5874.605937][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5874.605937][ T72] dst_init+0x84/0x4a0 [ 5874.605937][ T72] dst_alloc+0x97/0x150 [ 5874.605937][ T72] ip6_dst_alloc+0x23/0x90 [ 5874.605937][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5874.605937][ T72] ip6_pol_route+0x56f/0x840 [ 5874.605937][ T72] fib6_rule_lookup+0x456/0x630 [ 5874.605937][ T72] ip6_route_input+0x59c/0xa50 [ 5874.605937][ T72] ipv6_rcv+0x397/0x810 [ 5874.605937][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5874.605937][ T72] process_backlog+0x101/0x620 [ 5874.605937][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5874.605937][ T72] net_rx_action+0x495/0xbe0 [ 5874.605937][ T72] __do_softirq+0x1b5/0x7f6 [ 5874.605937][ T72] [ 5874.608117][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5874.608117][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.608117][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.608117][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.608117][ T72] ip6_route_add+0x1c/0x140 [ 5874.608117][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5874.608117][ T72] inet6_addr_add+0x4f8/0xa40 [ 5874.608117][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.608117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.608117][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.608117][ T72] netlink_unicast+0x449/0x710 [ 5874.608117][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.608117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.608117][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.608117][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.608117][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.608117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.608117][ T72] [ 5874.610752][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5874.610752][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.610752][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.610752][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.610752][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5874.610752][ T72] ipv6_add_addr+0x411/0x2000 [ 5874.610752][ T72] inet6_addr_add+0x30e/0xa40 [ 5874.610752][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.610752][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.610752][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.610752][ T72] netlink_unicast+0x449/0x710 [ 5874.610752][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.610752][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.610752][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.610752][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.610752][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.610752][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.610752][ T72] [ 5874.613369][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5874.613369][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.613369][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.613369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.613369][ T72] ip6_route_add+0x1c/0x140 [ 5874.613369][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5874.613369][ T72] addrconf_add_dev+0xe2/0x170 [ 5874.613369][ T72] inet6_addr_add+0x12f/0xa40 [ 5874.613369][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.613369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.613369][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.613369][ T72] netlink_unicast+0x449/0x710 [ 5874.613369][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.613369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.613369][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.613369][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.613369][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.613369][ T72] [ 5874.616039][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5874.616039][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5874.616039][ T72] ipv6_find_idev+0x102/0x170 [ 5874.616039][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.616039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.616039][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.616039][ T72] netlink_unicast+0x449/0x710 [ 5874.616039][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.616039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.616039][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.616039][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.616039][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.616039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.616039][ T72] [ 5874.618071][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5874.618071][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5874.618071][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5874.618071][ T72] ipv6_find_idev+0x102/0x170 [ 5874.618071][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.618071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.618071][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.618071][ T72] netlink_unicast+0x449/0x710 [ 5874.618071][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.618071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.618071][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.618071][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.618071][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.618071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.618071][ T72] [ 5874.620313][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5874.620655][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5874.620655][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.620655][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.620655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.620655][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5874.620655][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5874.620655][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5874.620655][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5874.620655][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5874.620655][ T72] addrconf_dad_begin+0x310/0x670 [ 5874.620655][ T72] addrconf_dad_work+0x10b/0xab0 [ 5874.620655][ T72] process_one_work+0x84d/0x18a0 [ 5874.620655][ T72] worker_thread+0x587/0xd30 [ 5874.620655][ T72] kthread+0x28a/0x350 [ 5874.620655][ T72] ret_from_fork+0x31/0x70 [ 5874.620655][ T72] ret_from_fork_asm+0x1a/0x30 [ 5874.620655][ T72] [ 5874.623253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5874.623253][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.623253][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.623253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.623253][ T72] ip6_route_add+0x1c/0x140 [ 5874.623253][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5874.623253][ T72] inet6_addr_add+0x4f8/0xa40 [ 5874.623253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.623253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.623253][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.623253][ T72] netlink_unicast+0x449/0x710 [ 5874.623253][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.623253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.623253][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.623253][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.623253][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.623253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.623253][ T72] [ 5874.625901][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5874.625901][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.625901][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.625901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.625901][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5874.625901][ T72] ipv6_add_addr+0x411/0x2000 [ 5874.625901][ T72] inet6_addr_add+0x30e/0xa40 [ 5874.625901][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.625901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.625901][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.625901][ T72] netlink_unicast+0x449/0x710 [ 5874.625901][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.625901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.625901][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.625901][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.625901][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.625901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.625901][ T72] [ 5874.628569][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5874.628569][ T72] netdev_get_by_index+0x5e/0x80 [ 5874.628569][ T72] fib6_nh_init+0x3d8/0x1580 [ 5874.628569][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5874.628569][ T72] ip6_route_add+0x1c/0x140 [ 5874.628569][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5874.628569][ T72] addrconf_add_dev+0xe2/0x170 [ 5874.628569][ T72] inet6_addr_add+0x12f/0xa40 [ 5874.628569][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.628569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.628569][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.628569][ T72] netlink_unicast+0x449/0x710 [ 5874.628569][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.628569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.628569][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.628569][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.628569][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.628569][ T72] [ 5874.631159][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5874.631159][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5874.631159][ T72] ipv6_find_idev+0x102/0x170 [ 5874.631159][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.631159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.631159][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.631159][ T72] netlink_unicast+0x449/0x710 [ 5874.631159][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.631159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.631159][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.631159][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.631159][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.631159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.631159][ T72] [ 5874.633100][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5874.633100][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5874.633100][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5874.633100][ T72] ipv6_find_idev+0x102/0x170 [ 5874.633100][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.633100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.633100][ T72] netlink_rcv_skb+0x130/0x360 [ 5874.633100][ T72] netlink_unicast+0x449/0x710 [ 5874.633100][ T72] netlink_sendmsg+0x723/0xbe0 [ 5874.633100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5874.633100][ T72] ___sys_sendmsg+0xee/0x170 [ 5874.633100][ T72] __sys_sendmsg+0xcd/0x170 [ 5874.633100][ T72] do_syscall_64+0xc6/0x1e0 [ 5874.633100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.633100][ T72] [ 5884.872910][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5884.873401][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5884.873401][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5884.873401][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5884.873401][ T72] fib6_nh_init+0xa22/0x1580 [ 5884.873401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.873401][ T72] ip6_route_add+0x1c/0x140 [ 5884.873401][ T72] inet6_rtm_newroute+0x104/0x110 [ 5884.873401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.873401][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.873401][ T72] netlink_unicast+0x449/0x710 [ 5884.873401][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.873401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.873401][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.873401][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.873401][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.873401][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.873401][ T72] [ 5884.875720][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5884.875720][ T72] dst_init+0x84/0x4a0 [ 5884.875720][ T72] dst_alloc+0x97/0x150 [ 5884.875720][ T72] ip6_dst_alloc+0x23/0x90 [ 5884.875720][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5884.875720][ T72] ip6_pol_route+0x56f/0x840 [ 5884.875720][ T72] fib6_rule_lookup+0x456/0x630 [ 5884.875720][ T72] ip6_route_input+0x59c/0xa50 [ 5884.875720][ T72] ipv6_rcv+0x397/0x810 [ 5884.875720][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5884.875720][ T72] process_backlog+0x101/0x620 [ 5884.875720][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5884.875720][ T72] net_rx_action+0x495/0xbe0 [ 5884.875720][ T72] __do_softirq+0x1b5/0x7f6 [ 5884.875720][ T72] [ 5884.877710][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5884.877710][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.877710][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.877710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.877710][ T72] ip6_route_add+0x1c/0x140 [ 5884.877710][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5884.877710][ T72] inet6_addr_add+0x4f8/0xa40 [ 5884.877710][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.877710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.877710][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.877710][ T72] netlink_unicast+0x449/0x710 [ 5884.877710][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.877710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.877710][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.877710][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.877710][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.877710][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.877710][ T72] [ 5884.880124][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5884.880124][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.880124][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.880124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.880124][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5884.880124][ T72] ipv6_add_addr+0x411/0x2000 [ 5884.880124][ T72] inet6_addr_add+0x30e/0xa40 [ 5884.880124][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.880124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.880124][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.880124][ T72] netlink_unicast+0x449/0x710 [ 5884.880124][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.880124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.880124][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.880124][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.880124][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.880124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.880124][ T72] [ 5884.882559][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5884.882559][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.882559][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.882559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.882559][ T72] ip6_route_add+0x1c/0x140 [ 5884.882559][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5884.882559][ T72] addrconf_add_dev+0xe2/0x170 [ 5884.882559][ T72] inet6_addr_add+0x12f/0xa40 [ 5884.882559][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.882559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.882559][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.882559][ T72] netlink_unicast+0x449/0x710 [ 5884.882559][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.882559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.882559][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.882559][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.882559][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.882559][ T72] [ 5884.884895][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5884.884895][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5884.884895][ T72] ipv6_find_idev+0x102/0x170 [ 5884.884895][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5884.884895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.884895][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.884895][ T72] netlink_unicast+0x449/0x710 [ 5884.884895][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.884895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.884895][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.884895][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.884895][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.884895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.884895][ T72] [ 5884.886431][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5884.886431][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5884.886431][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5884.886431][ T72] ipv6_find_idev+0x102/0x170 [ 5884.886431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5884.886431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.886431][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.886431][ T72] netlink_unicast+0x449/0x710 [ 5884.886431][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.886431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.886431][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.886431][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.886431][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.886431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.886431][ T72] [ 5884.888344][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5884.888665][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5884.888665][ T72] dst_init+0x84/0x4a0 [ 5884.888665][ T72] dst_alloc+0x97/0x150 [ 5884.888665][ T72] ip6_dst_alloc+0x23/0x90 [ 5884.888665][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5884.888665][ T72] ip6_pol_route+0x56f/0x840 [ 5884.888665][ T72] fib6_rule_lookup+0x456/0x630 [ 5884.888665][ T72] ip6_route_input+0x59c/0xa50 [ 5884.888665][ T72] ipv6_rcv+0x397/0x810 [ 5884.888665][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5884.888665][ T72] process_backlog+0x101/0x620 [ 5884.888665][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5884.888665][ T72] net_rx_action+0x495/0xbe0 [ 5884.888665][ T72] __do_softirq+0x1b5/0x7f6 [ 5884.888665][ T72] [ 5884.890655][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5884.890655][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.890655][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.890655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.890655][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5884.890655][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5884.890655][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5884.890655][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5884.890655][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5884.890655][ T72] addrconf_dad_begin+0x310/0x670 [ 5884.890655][ T72] addrconf_dad_work+0x10b/0xab0 [ 5884.890655][ T72] process_one_work+0x84d/0x18a0 [ 5884.890655][ T72] worker_thread+0x587/0xd30 [ 5884.890655][ T72] kthread+0x28a/0x350 [ 5884.890655][ T72] ret_from_fork+0x31/0x70 [ 5884.890655][ T72] ret_from_fork_asm+0x1a/0x30 [ 5884.890655][ T72] [ 5884.893001][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5884.893001][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.893001][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.893001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.893001][ T72] ip6_route_add+0x1c/0x140 [ 5884.893001][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5884.893001][ T72] inet6_addr_add+0x4f8/0xa40 [ 5884.893001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.893001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.893001][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.893001][ T72] netlink_unicast+0x449/0x710 [ 5884.893001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.893001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.893001][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.893001][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.893001][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.893001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.893001][ T72] [ 5884.895413][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5884.895413][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.895413][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.895413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.895413][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5884.895413][ T72] ipv6_add_addr+0x411/0x2000 [ 5884.895413][ T72] inet6_addr_add+0x30e/0xa40 [ 5884.895413][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.895413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.895413][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.895413][ T72] netlink_unicast+0x449/0x710 [ 5884.895413][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.895413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.895413][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.895413][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.895413][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.895413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.895413][ T72] [ 5884.897836][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5884.897836][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.897836][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.897836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.897836][ T72] ip6_route_add+0x1c/0x140 [ 5884.897836][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5884.897836][ T72] addrconf_add_dev+0xe2/0x170 [ 5884.897836][ T72] inet6_addr_add+0x12f/0xa40 [ 5884.897836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.897836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.897836][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.897836][ T72] netlink_unicast+0x449/0x710 [ 5884.897836][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.897836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.897836][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.897836][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.897836][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.897836][ T72] [ 5884.900207][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5884.900207][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5884.900207][ T72] ipv6_find_idev+0x102/0x170 [ 5884.900207][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5884.900207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.900207][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.900207][ T72] netlink_unicast+0x449/0x710 [ 5884.900207][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.900207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.900207][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.900207][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.900207][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.900207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.900207][ T72] [ 5884.902075][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5884.902075][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5884.902075][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5884.902075][ T72] ipv6_find_idev+0x102/0x170 [ 5884.902075][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5884.902075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.902075][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.902075][ T72] netlink_unicast+0x449/0x710 [ 5884.902075][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.902075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.902075][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.902075][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.902075][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.902075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.902075][ T72] [ 5884.904181][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5884.904578][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5884.904578][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5884.904578][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5884.904578][ T72] fib6_nh_init+0xa22/0x1580 [ 5884.904578][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.904578][ T72] ip6_route_add+0x1c/0x140 [ 5884.904578][ T72] inet6_rtm_newroute+0x104/0x110 [ 5884.904578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.904578][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.904578][ T72] netlink_unicast+0x449/0x710 [ 5884.904578][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.904578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.904578][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.904578][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.904578][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.904578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.904578][ T72] [ 5884.907095][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5884.907095][ T72] dst_init+0x84/0x4a0 [ 5884.907095][ T72] dst_alloc+0x97/0x150 [ 5884.907095][ T72] ip6_dst_alloc+0x23/0x90 [ 5884.907095][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5884.907095][ T72] ip6_pol_route+0x56f/0x840 [ 5884.907095][ T72] fib6_rule_lookup+0x456/0x630 [ 5884.907095][ T72] ip6_route_input+0x59c/0xa50 [ 5884.907095][ T72] ipv6_rcv+0x397/0x810 [ 5884.907095][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5884.907095][ T72] process_backlog+0x101/0x620 [ 5884.907095][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5884.907095][ T72] net_rx_action+0x495/0xbe0 [ 5884.907095][ T72] __do_softirq+0x1b5/0x7f6 [ 5884.907095][ T72] [ 5884.909282][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5884.909282][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.909282][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.909282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.909282][ T72] ip6_route_add+0x1c/0x140 [ 5884.909282][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5884.909282][ T72] inet6_addr_add+0x4f8/0xa40 [ 5884.909282][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.909282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.909282][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.909282][ T72] netlink_unicast+0x449/0x710 [ 5884.909282][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.909282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.909282][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.909282][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.909282][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.909282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.909282][ T72] [ 5884.911952][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5884.911952][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.911952][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.911952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.911952][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5884.911952][ T72] ipv6_add_addr+0x411/0x2000 [ 5884.911952][ T72] inet6_addr_add+0x30e/0xa40 [ 5884.911952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.911952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.911952][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.911952][ T72] netlink_unicast+0x449/0x710 [ 5884.911952][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.911952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.911952][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.911952][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.911952][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.911952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.911952][ T72] [ 5884.914612][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5884.914612][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.914612][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.914612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.914612][ T72] ip6_route_add+0x1c/0x140 [ 5884.914612][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5884.914612][ T72] addrconf_add_dev+0xe2/0x170 [ 5884.914612][ T72] inet6_addr_add+0x12f/0xa40 [ 5884.914612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.914612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.914612][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.914612][ T72] netlink_unicast+0x449/0x710 [ 5884.914612][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.914612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.914612][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.914612][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.914612][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.914612][ T72] [ 5884.917290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5884.917290][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5884.917290][ T72] ipv6_find_idev+0x102/0x170 [ 5884.917290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5884.917290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.917290][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.917290][ T72] netlink_unicast+0x449/0x710 [ 5884.917290][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.917290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.917290][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.917290][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.917290][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.917290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.917290][ T72] [ 5884.919340][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5884.919340][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5884.919340][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5884.919340][ T72] ipv6_find_idev+0x102/0x170 [ 5884.919340][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5884.919340][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.919340][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.919340][ T72] netlink_unicast+0x449/0x710 [ 5884.919340][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.919340][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.919340][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.919340][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.919340][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.919340][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.919340][ T72] [ 5884.921566][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5884.922425][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5884.922425][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.922425][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.922425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.922425][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5884.922425][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5884.922425][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5884.922425][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5884.922425][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5884.922425][ T72] addrconf_dad_begin+0x310/0x670 [ 5884.922425][ T72] addrconf_dad_work+0x10b/0xab0 [ 5884.922425][ T72] process_one_work+0x84d/0x18a0 [ 5884.922425][ T72] worker_thread+0x587/0xd30 [ 5884.922425][ T72] kthread+0x28a/0x350 [ 5884.922425][ T72] ret_from_fork+0x31/0x70 [ 5884.922425][ T72] ret_from_fork_asm+0x1a/0x30 [ 5884.922425][ T72] [ 5884.924750][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5884.924750][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.924750][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.924750][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.924750][ T72] ip6_route_add+0x1c/0x140 [ 5884.924750][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5884.924750][ T72] inet6_addr_add+0x4f8/0xa40 [ 5884.924750][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.924750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.924750][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.924750][ T72] netlink_unicast+0x449/0x710 [ 5884.924750][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.924750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.924750][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.924750][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.924750][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.924750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.924750][ T72] [ 5884.927231][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5884.927231][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.927231][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.927231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.927231][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5884.927231][ T72] ipv6_add_addr+0x411/0x2000 [ 5884.927231][ T72] inet6_addr_add+0x30e/0xa40 [ 5884.927231][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.927231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.927231][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.927231][ T72] netlink_unicast+0x449/0x710 [ 5884.927231][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.927231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.927231][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.927231][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.927231][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.927231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.927231][ T72] [ 5884.929909][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5884.929909][ T72] netdev_get_by_index+0x5e/0x80 [ 5884.929909][ T72] fib6_nh_init+0x3d8/0x1580 [ 5884.929909][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5884.929909][ T72] ip6_route_add+0x1c/0x140 [ 5884.929909][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5884.929909][ T72] addrconf_add_dev+0xe2/0x170 [ 5884.929909][ T72] inet6_addr_add+0x12f/0xa40 [ 5884.929909][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5884.929909][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.929909][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.929909][ T72] netlink_unicast+0x449/0x710 [ 5884.929909][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.929909][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.929909][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.929909][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.929909][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.929909][ T72] [ 5884.932607][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5884.932607][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5884.932607][ T72] ipv6_find_idev+0x102/0x170 [ 5884.932607][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5884.932607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.932607][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.932607][ T72] netlink_unicast+0x449/0x710 [ 5884.932607][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.932607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.932607][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.932607][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.932607][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.932607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.932607][ T72] [ 5884.934675][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5884.934675][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5884.934675][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5884.934675][ T72] ipv6_find_idev+0x102/0x170 [ 5884.934675][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5884.934675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5884.934675][ T72] netlink_rcv_skb+0x130/0x360 [ 5884.934675][ T72] netlink_unicast+0x449/0x710 [ 5884.934675][ T72] netlink_sendmsg+0x723/0xbe0 [ 5884.934675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5884.934675][ T72] ___sys_sendmsg+0xee/0x170 [ 5884.934675][ T72] __sys_sendmsg+0xcd/0x170 [ 5884.934675][ T72] do_syscall_64+0xc6/0x1e0 [ 5884.934675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5884.934675][ T72] [ 5895.176977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5895.177556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5895.177556][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5895.177556][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5895.177556][ T72] fib6_nh_init+0xa22/0x1580 [ 5895.177556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.177556][ T72] ip6_route_add+0x1c/0x140 [ 5895.177556][ T72] inet6_rtm_newroute+0x104/0x110 [ 5895.177556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.177556][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.177556][ T72] netlink_unicast+0x449/0x710 [ 5895.177556][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.177556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.177556][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.177556][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.177556][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.177556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.177556][ T72] [ 5895.179727][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5895.179727][ T72] dst_init+0x84/0x4a0 [ 5895.179727][ T72] dst_alloc+0x97/0x150 [ 5895.179727][ T72] ip6_dst_alloc+0x23/0x90 [ 5895.179727][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5895.179727][ T72] ip6_pol_route+0x56f/0x840 [ 5895.179727][ T72] fib6_rule_lookup+0x456/0x630 [ 5895.179727][ T72] ip6_route_input+0x59c/0xa50 [ 5895.179727][ T72] ipv6_rcv+0x397/0x810 [ 5895.179727][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5895.179727][ T72] process_backlog+0x101/0x620 [ 5895.179727][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5895.179727][ T72] net_rx_action+0x495/0xbe0 [ 5895.179727][ T72] __do_softirq+0x1b5/0x7f6 [ 5895.179727][ T72] [ 5895.181714][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5895.181714][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.181714][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.181714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.181714][ T72] ip6_route_add+0x1c/0x140 [ 5895.181714][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5895.181714][ T72] inet6_addr_add+0x4f8/0xa40 [ 5895.181714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.181714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.181714][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.181714][ T72] netlink_unicast+0x449/0x710 [ 5895.181714][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.181714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.181714][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.181714][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.181714][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.181714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.181714][ T72] [ 5895.184156][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5895.184156][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.184156][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.184156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.184156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5895.184156][ T72] ipv6_add_addr+0x411/0x2000 [ 5895.184156][ T72] inet6_addr_add+0x30e/0xa40 [ 5895.184156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.184156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.184156][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.184156][ T72] netlink_unicast+0x449/0x710 [ 5895.184156][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.184156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.184156][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.184156][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.184156][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.184156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.184156][ T72] [ 5895.186543][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5895.186543][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.186543][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.186543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.186543][ T72] ip6_route_add+0x1c/0x140 [ 5895.186543][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.186543][ T72] addrconf_add_dev+0xe2/0x170 [ 5895.186543][ T72] inet6_addr_add+0x12f/0xa40 [ 5895.186543][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.186543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.186543][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.186543][ T72] netlink_unicast+0x449/0x710 [ 5895.186543][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.186543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.186543][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.186543][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.186543][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.186543][ T72] [ 5895.188882][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5895.188882][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5895.188882][ T72] ipv6_find_idev+0x102/0x170 [ 5895.188882][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.188882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.188882][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.188882][ T72] netlink_unicast+0x449/0x710 [ 5895.188882][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.188882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.188882][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.188882][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.188882][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.188882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.188882][ T72] [ 5895.190759][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5895.190759][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5895.190759][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5895.190759][ T72] ipv6_find_idev+0x102/0x170 [ 5895.190759][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.190759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.190759][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.190759][ T72] netlink_unicast+0x449/0x710 [ 5895.190759][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.190759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.190759][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.190759][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.190759][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.190759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.190759][ T72] [ 5895.193325][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5895.193663][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5895.193663][ T72] dst_init+0x84/0x4a0 [ 5895.193663][ T72] dst_alloc+0x97/0x150 [ 5895.193663][ T72] ip6_dst_alloc+0x23/0x90 [ 5895.193663][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5895.193663][ T72] ip6_pol_route+0x56f/0x840 [ 5895.193663][ T72] fib6_rule_lookup+0x456/0x630 [ 5895.193663][ T72] ip6_route_input+0x59c/0xa50 [ 5895.193663][ T72] ipv6_rcv+0x397/0x810 [ 5895.193663][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5895.193663][ T72] process_backlog+0x101/0x620 [ 5895.193663][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5895.193663][ T72] net_rx_action+0x495/0xbe0 [ 5895.193663][ T72] __do_softirq+0x1b5/0x7f6 [ 5895.193663][ T72] [ 5895.195636][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5895.195636][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.195636][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.195636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.195636][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5895.195636][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5895.195636][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5895.195636][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5895.195636][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5895.195636][ T72] addrconf_dad_begin+0x310/0x670 [ 5895.195636][ T72] addrconf_dad_work+0x10b/0xab0 [ 5895.195636][ T72] process_one_work+0x84d/0x18a0 [ 5895.195636][ T72] worker_thread+0x587/0xd30 [ 5895.195636][ T72] kthread+0x28a/0x350 [ 5895.195636][ T72] ret_from_fork+0x31/0x70 [ 5895.195636][ T72] ret_from_fork_asm+0x1a/0x30 [ 5895.195636][ T72] [ 5895.197887][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5895.197887][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.197887][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.197887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.197887][ T72] ip6_route_add+0x1c/0x140 [ 5895.197887][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5895.197887][ T72] inet6_addr_add+0x4f8/0xa40 [ 5895.197887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.197887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.197887][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.197887][ T72] netlink_unicast+0x449/0x710 [ 5895.197887][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.197887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.197887][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.197887][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.197887][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.197887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.197887][ T72] [ 5895.227542][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5895.227542][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.227542][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.227542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.227542][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5895.227542][ T72] ipv6_add_addr+0x411/0x2000 [ 5895.227542][ T72] inet6_addr_add+0x30e/0xa40 [ 5895.227542][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.227542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.227542][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.227542][ T72] netlink_unicast+0x449/0x710 [ 5895.227542][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.227542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.227542][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.227542][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.227542][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.227542][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.227542][ T72] [ 5895.229848][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5895.229848][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.229848][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.229848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.229848][ T72] ip6_route_add+0x1c/0x140 [ 5895.229848][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.229848][ T72] addrconf_add_dev+0xe2/0x170 [ 5895.229848][ T72] inet6_addr_add+0x12f/0xa40 [ 5895.229848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.229848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.229848][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.229848][ T72] netlink_unicast+0x449/0x710 [ 5895.229848][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.229848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.229848][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.229848][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.229848][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.229848][ T72] [ 5895.232224][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5895.232224][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5895.232224][ T72] ipv6_find_idev+0x102/0x170 [ 5895.232224][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.232224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.232224][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.232224][ T72] netlink_unicast+0x449/0x710 [ 5895.232224][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.232224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.232224][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.232224][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.232224][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.232224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.232224][ T72] [ 5895.233947][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5895.233947][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5895.233947][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5895.233947][ T72] ipv6_find_idev+0x102/0x170 [ 5895.233947][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.233947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.233947][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.233947][ T72] netlink_unicast+0x449/0x710 [ 5895.233947][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.233947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.233947][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.233947][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.233947][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.233947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.233947][ T72] [ 5895.235906][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5895.236309][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5895.236309][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5895.236309][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5895.236309][ T72] fib6_nh_init+0xa22/0x1580 [ 5895.236309][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.236309][ T72] ip6_route_add+0x1c/0x140 [ 5895.236309][ T72] inet6_rtm_newroute+0x104/0x110 [ 5895.236309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.236309][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.236309][ T72] netlink_unicast+0x449/0x710 [ 5895.236309][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.236309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.236309][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.236309][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.236309][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.236309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.236309][ T72] [ 5895.238818][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5895.238818][ T72] dst_init+0x84/0x4a0 [ 5895.238818][ T72] dst_alloc+0x97/0x150 [ 5895.238818][ T72] ip6_dst_alloc+0x23/0x90 [ 5895.238818][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5895.238818][ T72] ip6_pol_route+0x56f/0x840 [ 5895.238818][ T72] fib6_rule_lookup+0x456/0x630 [ 5895.238818][ T72] ip6_route_input+0x59c/0xa50 [ 5895.238818][ T72] ipv6_rcv+0x397/0x810 [ 5895.238818][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5895.238818][ T72] process_backlog+0x101/0x620 [ 5895.238818][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5895.238818][ T72] net_rx_action+0x495/0xbe0 [ 5895.238818][ T72] __do_softirq+0x1b5/0x7f6 [ 5895.238818][ T72] [ 5895.241020][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5895.241020][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.241020][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.241020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.241020][ T72] ip6_route_add+0x1c/0x140 [ 5895.241020][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5895.241020][ T72] inet6_addr_add+0x4f8/0xa40 [ 5895.241020][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.241020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.241020][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.241020][ T72] netlink_unicast+0x449/0x710 [ 5895.241020][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.241020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.241020][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.241020][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.241020][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.241020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.241020][ T72] [ 5895.243696][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5895.243696][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.243696][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.243696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.243696][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5895.243696][ T72] ipv6_add_addr+0x411/0x2000 [ 5895.243696][ T72] inet6_addr_add+0x30e/0xa40 [ 5895.243696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.243696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.243696][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.243696][ T72] netlink_unicast+0x449/0x710 [ 5895.243696][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.243696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.243696][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.243696][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.243696][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.243696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.243696][ T72] [ 5895.246354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5895.246354][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.246354][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.246354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.246354][ T72] ip6_route_add+0x1c/0x140 [ 5895.246354][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.246354][ T72] addrconf_add_dev+0xe2/0x170 [ 5895.246354][ T72] inet6_addr_add+0x12f/0xa40 [ 5895.246354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.246354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.246354][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.246354][ T72] netlink_unicast+0x449/0x710 [ 5895.246354][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.246354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.246354][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.246354][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.246354][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.246354][ T72] [ 5895.249049][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5895.249049][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5895.249049][ T72] ipv6_find_idev+0x102/0x170 [ 5895.249049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.249049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.249049][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.249049][ T72] netlink_unicast+0x449/0x710 [ 5895.249049][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.249049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.249049][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.249049][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.249049][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.249049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.249049][ T72] [ 5895.251086][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5895.251086][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5895.251086][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5895.251086][ T72] ipv6_find_idev+0x102/0x170 [ 5895.251086][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.251086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.251086][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.251086][ T72] netlink_unicast+0x449/0x710 [ 5895.251086][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.251086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.251086][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.251086][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.251086][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.251086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.251086][ T72] [ 5895.253309][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5895.253636][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5895.253636][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.253636][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.253636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.253636][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5895.253636][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5895.253636][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5895.253636][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5895.253636][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5895.253636][ T72] addrconf_dad_begin+0x310/0x670 [ 5895.253636][ T72] addrconf_dad_work+0x10b/0xab0 [ 5895.253636][ T72] process_one_work+0x84d/0x18a0 [ 5895.253636][ T72] worker_thread+0x587/0xd30 [ 5895.253636][ T72] kthread+0x28a/0x350 [ 5895.253636][ T72] ret_from_fork+0x31/0x70 [ 5895.253636][ T72] ret_from_fork_asm+0x1a/0x30 [ 5895.253636][ T72] [ 5895.256196][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5895.256196][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.256196][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.256196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.256196][ T72] ip6_route_add+0x1c/0x140 [ 5895.256196][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5895.256196][ T72] inet6_addr_add+0x4f8/0xa40 [ 5895.256196][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.256196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.256196][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.256196][ T72] netlink_unicast+0x449/0x710 [ 5895.256196][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.256196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.256196][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.256196][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.256196][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.256196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.256196][ T72] [ 5895.258861][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5895.258861][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.258861][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.258861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.258861][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5895.258861][ T72] ipv6_add_addr+0x411/0x2000 [ 5895.258861][ T72] inet6_addr_add+0x30e/0xa40 [ 5895.258861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.258861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.258861][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.258861][ T72] netlink_unicast+0x449/0x710 [ 5895.258861][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.258861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.258861][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.258861][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.258861][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.258861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.258861][ T72] [ 5895.261580][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5895.261580][ T72] netdev_get_by_index+0x5e/0x80 [ 5895.261580][ T72] fib6_nh_init+0x3d8/0x1580 [ 5895.261580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5895.261580][ T72] ip6_route_add+0x1c/0x140 [ 5895.261580][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.261580][ T72] addrconf_add_dev+0xe2/0x170 [ 5895.261580][ T72] inet6_addr_add+0x12f/0xa40 [ 5895.261580][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.261580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.261580][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.261580][ T72] netlink_unicast+0x449/0x710 [ 5895.261580][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.261580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.261580][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.261580][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.261580][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.261580][ T72] [ 5895.264197][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5895.264197][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5895.264197][ T72] ipv6_find_idev+0x102/0x170 [ 5895.264197][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.264197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.264197][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.264197][ T72] netlink_unicast+0x449/0x710 [ 5895.264197][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.264197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.264197][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.264197][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.264197][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.264197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.264197][ T72] [ 5895.266168][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5895.266168][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5895.266168][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5895.266168][ T72] ipv6_find_idev+0x102/0x170 [ 5895.266168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.266168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.266168][ T72] netlink_rcv_skb+0x130/0x360 [ 5895.266168][ T72] netlink_unicast+0x449/0x710 [ 5895.266168][ T72] netlink_sendmsg+0x723/0xbe0 [ 5895.266168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5895.266168][ T72] ___sys_sendmsg+0xee/0x170 [ 5895.266168][ T72] __sys_sendmsg+0xcd/0x170 [ 5895.266168][ T72] do_syscall_64+0xc6/0x1e0 [ 5895.266168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.266168][ T72] [ 5905.400992][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5905.401664][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5905.401664][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5905.401664][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5905.401664][ T72] fib6_nh_init+0xa22/0x1580 [ 5905.401664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.401664][ T72] ip6_route_add+0x1c/0x140 [ 5905.401664][ T72] inet6_rtm_newroute+0x104/0x110 [ 5905.401664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.401664][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.401664][ T72] netlink_unicast+0x449/0x710 [ 5905.401664][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.401664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.401664][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.401664][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.401664][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.401664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.401664][ T72] [ 5905.403440][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5905.403440][ T72] dst_init+0x84/0x4a0 [ 5905.403440][ T72] dst_alloc+0x97/0x150 [ 5905.403440][ T72] ip6_dst_alloc+0x23/0x90 [ 5905.403440][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5905.403440][ T72] ip6_pol_route+0x56f/0x840 [ 5905.403440][ T72] fib6_rule_lookup+0x456/0x630 [ 5905.403440][ T72] ip6_route_input+0x59c/0xa50 [ 5905.403440][ T72] ipv6_rcv+0x397/0x810 [ 5905.403440][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5905.403440][ T72] process_backlog+0x101/0x620 [ 5905.403440][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5905.403440][ T72] net_rx_action+0x495/0xbe0 [ 5905.403440][ T72] __do_softirq+0x1b5/0x7f6 [ 5905.403440][ T72] [ 5905.405029][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5905.405029][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.405029][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.405029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.405029][ T72] ip6_route_add+0x1c/0x140 [ 5905.405029][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5905.405029][ T72] inet6_addr_add+0x4f8/0xa40 [ 5905.405029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.405029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.405029][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.405029][ T72] netlink_unicast+0x449/0x710 [ 5905.405029][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.405029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.405029][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.405029][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.405029][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.405029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.405029][ T72] [ 5905.407004][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5905.407004][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.407004][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.407004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.407004][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5905.407004][ T72] ipv6_add_addr+0x411/0x2000 [ 5905.407004][ T72] inet6_addr_add+0x30e/0xa40 [ 5905.407004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.407004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.407004][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.407004][ T72] netlink_unicast+0x449/0x710 [ 5905.407004][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.407004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.407004][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.407004][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.407004][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.407004][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.407004][ T72] [ 5905.408970][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5905.408970][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.408970][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.408970][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.408970][ T72] ip6_route_add+0x1c/0x140 [ 5905.408970][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5905.408970][ T72] addrconf_add_dev+0xe2/0x170 [ 5905.408970][ T72] inet6_addr_add+0x12f/0xa40 [ 5905.408970][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.408970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.408970][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.408970][ T72] netlink_unicast+0x449/0x710 [ 5905.408970][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.408970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.408970][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.408970][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.408970][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.408970][ T72] [ 5905.410920][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5905.410920][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5905.410920][ T72] ipv6_find_idev+0x102/0x170 [ 5905.410920][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.410920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.410920][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.410920][ T72] netlink_unicast+0x449/0x710 [ 5905.410920][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.410920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.410920][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.410920][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.410920][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.410920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.410920][ T72] [ 5905.412432][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5905.412432][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5905.412432][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5905.412432][ T72] ipv6_find_idev+0x102/0x170 [ 5905.412432][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.412432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.412432][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.412432][ T72] netlink_unicast+0x449/0x710 [ 5905.412432][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.412432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.412432][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.412432][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.412432][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.412432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.412432][ T72] [ 5905.414109][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5905.414404][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5905.414404][ T72] dst_init+0x84/0x4a0 [ 5905.414404][ T72] dst_alloc+0x97/0x150 [ 5905.414404][ T72] ip6_dst_alloc+0x23/0x90 [ 5905.414404][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5905.414404][ T72] ip6_pol_route+0x56f/0x840 [ 5905.414404][ T72] fib6_rule_lookup+0x456/0x630 [ 5905.414404][ T72] ip6_route_input+0x59c/0xa50 [ 5905.414404][ T72] ipv6_rcv+0x397/0x810 [ 5905.414404][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5905.414404][ T72] process_backlog+0x101/0x620 [ 5905.414404][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5905.414404][ T72] net_rx_action+0x495/0xbe0 [ 5905.414404][ T72] __do_softirq+0x1b5/0x7f6 [ 5905.414404][ T72] [ 5905.416077][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5905.416077][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.416077][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.416077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.416077][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5905.416077][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5905.416077][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5905.416077][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5905.416077][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5905.416077][ T72] addrconf_dad_begin+0x310/0x670 [ 5905.416077][ T72] addrconf_dad_work+0x10b/0xab0 [ 5905.416077][ T72] process_one_work+0x84d/0x18a0 [ 5905.416077][ T72] worker_thread+0x587/0xd30 [ 5905.416077][ T72] kthread+0x28a/0x350 [ 5905.416077][ T72] ret_from_fork+0x31/0x70 [ 5905.416077][ T72] ret_from_fork_asm+0x1a/0x30 [ 5905.416077][ T72] [ 5905.418001][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5905.418001][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.418001][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.418001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.418001][ T72] ip6_route_add+0x1c/0x140 [ 5905.418001][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5905.418001][ T72] inet6_addr_add+0x4f8/0xa40 [ 5905.418001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.418001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.418001][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.418001][ T72] netlink_unicast+0x449/0x710 [ 5905.418001][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.418001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.418001][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.418001][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.418001][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.418001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.418001][ T72] [ 5905.420043][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5905.420043][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.420043][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.420043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.420043][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5905.420043][ T72] ipv6_add_addr+0x411/0x2000 [ 5905.420043][ T72] inet6_addr_add+0x30e/0xa40 [ 5905.420043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.420043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.420043][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.420043][ T72] netlink_unicast+0x449/0x710 [ 5905.420043][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.420043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.420043][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.420043][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.420043][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.420043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.420043][ T72] [ 5905.422054][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5905.422054][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.422054][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.422054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.422054][ T72] ip6_route_add+0x1c/0x140 [ 5905.422054][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5905.422054][ T72] addrconf_add_dev+0xe2/0x170 [ 5905.422054][ T72] inet6_addr_add+0x12f/0xa40 [ 5905.422054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.422054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.422054][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.422054][ T72] netlink_unicast+0x449/0x710 [ 5905.422054][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.422054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.422054][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.422054][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.422054][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.422054][ T72] [ 5905.424023][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5905.424023][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5905.424023][ T72] ipv6_find_idev+0x102/0x170 [ 5905.424023][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.424023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.424023][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.424023][ T72] netlink_unicast+0x449/0x710 [ 5905.424023][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.424023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.424023][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.424023][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.424023][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.424023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.424023][ T72] [ 5905.425641][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5905.425641][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5905.425641][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5905.425641][ T72] ipv6_find_idev+0x102/0x170 [ 5905.425641][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.425641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.425641][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.425641][ T72] netlink_unicast+0x449/0x710 [ 5905.425641][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.425641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.425641][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.425641][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.425641][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.425641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.425641][ T72] [ 5905.427584][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5905.427892][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5905.427892][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5905.427892][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5905.427892][ T72] fib6_nh_init+0xa22/0x1580 [ 5905.427892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.427892][ T72] ip6_route_add+0x1c/0x140 [ 5905.427892][ T72] inet6_rtm_newroute+0x104/0x110 [ 5905.427892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.427892][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.427892][ T72] netlink_unicast+0x449/0x710 [ 5905.427892][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.427892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.427892][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.427892][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.427892][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.427892][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.427892][ T72] [ 5905.430591][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5905.430591][ T72] dst_init+0x84/0x4a0 [ 5905.430591][ T72] dst_alloc+0x97/0x150 [ 5905.430591][ T72] ip6_dst_alloc+0x23/0x90 [ 5905.430591][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5905.430591][ T72] ip6_pol_route+0x56f/0x840 [ 5905.430591][ T72] fib6_rule_lookup+0x456/0x630 [ 5905.430591][ T72] ip6_route_input+0x59c/0xa50 [ 5905.430591][ T72] ipv6_rcv+0x397/0x810 [ 5905.430591][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5905.430591][ T72] process_backlog+0x101/0x620 [ 5905.430591][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5905.430591][ T72] net_rx_action+0x495/0xbe0 [ 5905.430591][ T72] __do_softirq+0x1b5/0x7f6 [ 5905.430591][ T72] [ 5905.432486][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5905.432486][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.432486][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.432486][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.432486][ T72] ip6_route_add+0x1c/0x140 [ 5905.432486][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5905.432486][ T72] inet6_addr_add+0x4f8/0xa40 [ 5905.432486][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.432486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.432486][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.432486][ T72] netlink_unicast+0x449/0x710 [ 5905.432486][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.432486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.432486][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.432486][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.432486][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.432486][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.432486][ T72] [ 5905.434744][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5905.434744][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.434744][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.434744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.434744][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5905.434744][ T72] ipv6_add_addr+0x411/0x2000 [ 5905.434744][ T72] inet6_addr_add+0x30e/0xa40 [ 5905.434744][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.434744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.434744][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.434744][ T72] netlink_unicast+0x449/0x710 [ 5905.434744][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.434744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.434744][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.434744][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.434744][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.434744][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.434744][ T72] [ 5905.437082][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5905.437082][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.437082][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.437082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.437082][ T72] ip6_route_add+0x1c/0x140 [ 5905.437082][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5905.437082][ T72] addrconf_add_dev+0xe2/0x170 [ 5905.437082][ T72] inet6_addr_add+0x12f/0xa40 [ 5905.437082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.437082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.437082][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.437082][ T72] netlink_unicast+0x449/0x710 [ 5905.437082][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.437082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.437082][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.437082][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.437082][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.437082][ T72] [ 5905.439305][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5905.439305][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5905.439305][ T72] ipv6_find_idev+0x102/0x170 [ 5905.439305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.439305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.439305][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.439305][ T72] netlink_unicast+0x449/0x710 [ 5905.439305][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.439305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.439305][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.439305][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.439305][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.439305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.439305][ T72] [ 5905.441087][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5905.441087][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5905.441087][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5905.441087][ T72] ipv6_find_idev+0x102/0x170 [ 5905.441087][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.441087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.441087][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.441087][ T72] netlink_unicast+0x449/0x710 [ 5905.441087][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.441087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.441087][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.441087][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.441087][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.441087][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.441087][ T72] [ 5905.443028][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5905.443401][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5905.443401][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.443401][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.443401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.443401][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5905.443401][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5905.443401][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5905.443401][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5905.443401][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5905.443401][ T72] addrconf_dad_begin+0x310/0x670 [ 5905.443401][ T72] addrconf_dad_work+0x10b/0xab0 [ 5905.443401][ T72] process_one_work+0x84d/0x18a0 [ 5905.443401][ T72] worker_thread+0x587/0xd30 [ 5905.443401][ T72] kthread+0x28a/0x350 [ 5905.443401][ T72] ret_from_fork+0x31/0x70 [ 5905.443401][ T72] ret_from_fork_asm+0x1a/0x30 [ 5905.443401][ T72] [ 5905.474126][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5905.474126][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.474126][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.474126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.474126][ T72] ip6_route_add+0x1c/0x140 [ 5905.474126][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5905.474126][ T72] inet6_addr_add+0x4f8/0xa40 [ 5905.474126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.474126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.474126][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.474126][ T72] netlink_unicast+0x449/0x710 [ 5905.474126][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.474126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.474126][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.474126][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.474126][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.474126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.474126][ T72] [ 5905.476512][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5905.476512][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.476512][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.476512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.476512][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5905.476512][ T72] ipv6_add_addr+0x411/0x2000 [ 5905.476512][ T72] inet6_addr_add+0x30e/0xa40 [ 5905.476512][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.476512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.476512][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.476512][ T72] netlink_unicast+0x449/0x710 [ 5905.476512][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.476512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.476512][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.476512][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.476512][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.476512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.476512][ T72] [ 5905.478789][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5905.478789][ T72] netdev_get_by_index+0x5e/0x80 [ 5905.478789][ T72] fib6_nh_init+0x3d8/0x1580 [ 5905.478789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5905.478789][ T72] ip6_route_add+0x1c/0x140 [ 5905.478789][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5905.478789][ T72] addrconf_add_dev+0xe2/0x170 [ 5905.478789][ T72] inet6_addr_add+0x12f/0xa40 [ 5905.478789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.478789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.478789][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.478789][ T72] netlink_unicast+0x449/0x710 [ 5905.478789][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.478789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.478789][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.478789][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.478789][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.478789][ T72] [ 5905.481152][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5905.481152][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5905.481152][ T72] ipv6_find_idev+0x102/0x170 [ 5905.481152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.481152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.481152][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.481152][ T72] netlink_unicast+0x449/0x710 [ 5905.481152][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.481152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.481152][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.481152][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.481152][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.481152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.481152][ T72] [ 5905.482908][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5905.482908][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5905.482908][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5905.482908][ T72] ipv6_find_idev+0x102/0x170 [ 5905.482908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.482908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.482908][ T72] netlink_rcv_skb+0x130/0x360 [ 5905.482908][ T72] netlink_unicast+0x449/0x710 [ 5905.482908][ T72] netlink_sendmsg+0x723/0xbe0 [ 5905.482908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5905.482908][ T72] ___sys_sendmsg+0xee/0x170 [ 5905.482908][ T72] __sys_sendmsg+0xcd/0x170 [ 5905.482908][ T72] do_syscall_64+0xc6/0x1e0 [ 5905.482908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.482908][ T72] [ 5915.720980][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5915.721431][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5915.721431][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5915.721431][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5915.721431][ T72] fib6_nh_init+0xa22/0x1580 [ 5915.721431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.721431][ T72] ip6_route_add+0x1c/0x140 [ 5915.721431][ T72] inet6_rtm_newroute+0x104/0x110 [ 5915.721431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.721431][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.721431][ T72] netlink_unicast+0x449/0x710 [ 5915.721431][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.721431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.721431][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.721431][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.721431][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.721431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.721431][ T72] [ 5915.723255][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5915.723255][ T72] dst_init+0x84/0x4a0 [ 5915.723255][ T72] dst_alloc+0x97/0x150 [ 5915.723255][ T72] ip6_dst_alloc+0x23/0x90 [ 5915.723255][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5915.723255][ T72] ip6_pol_route+0x56f/0x840 [ 5915.723255][ T72] fib6_rule_lookup+0x456/0x630 [ 5915.723255][ T72] ip6_route_input+0x59c/0xa50 [ 5915.723255][ T72] ipv6_rcv+0x397/0x810 [ 5915.723255][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5915.723255][ T72] process_backlog+0x101/0x620 [ 5915.723255][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5915.723255][ T72] net_rx_action+0x495/0xbe0 [ 5915.723255][ T72] __do_softirq+0x1b5/0x7f6 [ 5915.723255][ T72] [ 5915.724802][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5915.724802][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.724802][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.724802][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.724802][ T72] ip6_route_add+0x1c/0x140 [ 5915.724802][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5915.724802][ T72] inet6_addr_add+0x4f8/0xa40 [ 5915.724802][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.724802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.724802][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.724802][ T72] netlink_unicast+0x449/0x710 [ 5915.724802][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.724802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.724802][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.724802][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.724802][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.724802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.724802][ T72] [ 5915.726723][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5915.726723][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.726723][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.726723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.726723][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5915.726723][ T72] ipv6_add_addr+0x411/0x2000 [ 5915.726723][ T72] inet6_addr_add+0x30e/0xa40 [ 5915.726723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.726723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.726723][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.726723][ T72] netlink_unicast+0x449/0x710 [ 5915.726723][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.726723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.726723][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.726723][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.726723][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.726723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.726723][ T72] [ 5915.728651][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5915.728651][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.728651][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.728651][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.728651][ T72] ip6_route_add+0x1c/0x140 [ 5915.728651][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5915.728651][ T72] addrconf_add_dev+0xe2/0x170 [ 5915.728651][ T72] inet6_addr_add+0x12f/0xa40 [ 5915.728651][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.728651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.728651][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.728651][ T72] netlink_unicast+0x449/0x710 [ 5915.728651][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.728651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.728651][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.728651][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.728651][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.728651][ T72] [ 5915.730513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5915.730513][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5915.730513][ T72] ipv6_find_idev+0x102/0x170 [ 5915.730513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.730513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.730513][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.730513][ T72] netlink_unicast+0x449/0x710 [ 5915.730513][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.730513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.730513][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.730513][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.730513][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.730513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.730513][ T72] [ 5915.732092][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5915.732092][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5915.732092][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5915.732092][ T72] ipv6_find_idev+0x102/0x170 [ 5915.732092][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.732092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.732092][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.732092][ T72] netlink_unicast+0x449/0x710 [ 5915.732092][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.732092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.732092][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.732092][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.732092][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.732092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.732092][ T72] [ 5915.733735][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5915.734021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5915.734021][ T72] dst_init+0x84/0x4a0 [ 5915.734021][ T72] dst_alloc+0x97/0x150 [ 5915.734021][ T72] ip6_dst_alloc+0x23/0x90 [ 5915.734021][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5915.734021][ T72] ip6_pol_route+0x56f/0x840 [ 5915.734021][ T72] fib6_rule_lookup+0x456/0x630 [ 5915.734021][ T72] ip6_route_input+0x59c/0xa50 [ 5915.734021][ T72] ipv6_rcv+0x397/0x810 [ 5915.734021][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5915.734021][ T72] process_backlog+0x101/0x620 [ 5915.734021][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5915.734021][ T72] net_rx_action+0x495/0xbe0 [ 5915.734021][ T72] __do_softirq+0x1b5/0x7f6 [ 5915.734021][ T72] [ 5915.735615][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5915.735615][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.735615][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.735615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.735615][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5915.735615][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5915.735615][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5915.735615][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5915.735615][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5915.735615][ T72] addrconf_dad_begin+0x310/0x670 [ 5915.735615][ T72] addrconf_dad_work+0x10b/0xab0 [ 5915.735615][ T72] process_one_work+0x84d/0x18a0 [ 5915.735615][ T72] worker_thread+0x587/0xd30 [ 5915.735615][ T72] kthread+0x28a/0x350 [ 5915.735615][ T72] ret_from_fork+0x31/0x70 [ 5915.735615][ T72] ret_from_fork_asm+0x1a/0x30 [ 5915.735615][ T72] [ 5915.737398][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5915.737398][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.737398][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.737398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.737398][ T72] ip6_route_add+0x1c/0x140 [ 5915.737398][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5915.737398][ T72] inet6_addr_add+0x4f8/0xa40 [ 5915.737398][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.737398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.737398][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.737398][ T72] netlink_unicast+0x449/0x710 [ 5915.737398][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.737398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.737398][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.737398][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.737398][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.737398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.737398][ T72] [ 5915.739364][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5915.739364][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.739364][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.739364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.739364][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5915.739364][ T72] ipv6_add_addr+0x411/0x2000 [ 5915.739364][ T72] inet6_addr_add+0x30e/0xa40 [ 5915.739364][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.739364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.739364][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.739364][ T72] netlink_unicast+0x449/0x710 [ 5915.739364][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.739364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.739364][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.739364][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.739364][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.739364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.739364][ T72] [ 5915.741352][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5915.741352][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.741352][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.741352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.741352][ T72] ip6_route_add+0x1c/0x140 [ 5915.741352][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5915.741352][ T72] addrconf_add_dev+0xe2/0x170 [ 5915.741352][ T72] inet6_addr_add+0x12f/0xa40 [ 5915.741352][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.741352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.741352][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.741352][ T72] netlink_unicast+0x449/0x710 [ 5915.741352][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.741352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.741352][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.741352][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.741352][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.741352][ T72] [ 5915.743311][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5915.743311][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5915.743311][ T72] ipv6_find_idev+0x102/0x170 [ 5915.743311][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.743311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.743311][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.743311][ T72] netlink_unicast+0x449/0x710 [ 5915.743311][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.743311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.743311][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.743311][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.743311][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.743311][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.743311][ T72] [ 5915.744857][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5915.744857][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5915.744857][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5915.744857][ T72] ipv6_find_idev+0x102/0x170 [ 5915.744857][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.744857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.744857][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.744857][ T72] netlink_unicast+0x449/0x710 [ 5915.744857][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.744857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.744857][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.744857][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.744857][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.744857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.744857][ T72] [ 5915.746689][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5915.746973][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5915.746973][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5915.746973][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5915.746973][ T72] fib6_nh_init+0xa22/0x1580 [ 5915.746973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.746973][ T72] ip6_route_add+0x1c/0x140 [ 5915.746973][ T72] inet6_rtm_newroute+0x104/0x110 [ 5915.746973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.746973][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.746973][ T72] netlink_unicast+0x449/0x710 [ 5915.746973][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.746973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.746973][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.746973][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.746973][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.746973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.746973][ T72] [ 5915.749151][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5915.749151][ T72] dst_init+0x84/0x4a0 [ 5915.749151][ T72] dst_alloc+0x97/0x150 [ 5915.749151][ T72] ip6_dst_alloc+0x23/0x90 [ 5915.749151][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5915.749151][ T72] ip6_pol_route+0x56f/0x840 [ 5915.749151][ T72] fib6_rule_lookup+0x456/0x630 [ 5915.749151][ T72] ip6_route_input+0x59c/0xa50 [ 5915.749151][ T72] ipv6_rcv+0x397/0x810 [ 5915.749151][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5915.749151][ T72] process_backlog+0x101/0x620 [ 5915.749151][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5915.749151][ T72] net_rx_action+0x495/0xbe0 [ 5915.749151][ T72] __do_softirq+0x1b5/0x7f6 [ 5915.749151][ T72] [ 5915.750987][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5915.750987][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.750987][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.750987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.750987][ T72] ip6_route_add+0x1c/0x140 [ 5915.750987][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5915.750987][ T72] inet6_addr_add+0x4f8/0xa40 [ 5915.750987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.750987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.750987][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.750987][ T72] netlink_unicast+0x449/0x710 [ 5915.750987][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.750987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.750987][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.750987][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.750987][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.750987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.750987][ T72] [ 5915.753196][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5915.753196][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.753196][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.753196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.753196][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5915.753196][ T72] ipv6_add_addr+0x411/0x2000 [ 5915.753196][ T72] inet6_addr_add+0x30e/0xa40 [ 5915.753196][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.753196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.753196][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.753196][ T72] netlink_unicast+0x449/0x710 [ 5915.753196][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.753196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.753196][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.753196][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.753196][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.753196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.753196][ T72] [ 5915.755425][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5915.755425][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.755425][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.755425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.755425][ T72] ip6_route_add+0x1c/0x140 [ 5915.755425][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5915.755425][ T72] addrconf_add_dev+0xe2/0x170 [ 5915.755425][ T72] inet6_addr_add+0x12f/0xa40 [ 5915.755425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.755425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.755425][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.755425][ T72] netlink_unicast+0x449/0x710 [ 5915.755425][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.755425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.755425][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.755425][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.755425][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.755425][ T72] [ 5915.757712][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5915.757712][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5915.757712][ T72] ipv6_find_idev+0x102/0x170 [ 5915.757712][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.757712][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.757712][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.757712][ T72] netlink_unicast+0x449/0x710 [ 5915.757712][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.757712][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.757712][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.757712][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.757712][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.757712][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.757712][ T72] [ 5915.759445][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5915.759445][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5915.759445][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5915.759445][ T72] ipv6_find_idev+0x102/0x170 [ 5915.759445][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.759445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.759445][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.759445][ T72] netlink_unicast+0x449/0x710 [ 5915.759445][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.759445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.759445][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.759445][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.759445][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.759445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.759445][ T72] [ 5915.761336][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5915.761681][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5915.761681][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.761681][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.761681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.761681][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5915.761681][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5915.761681][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5915.761681][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5915.761681][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5915.761681][ T72] addrconf_dad_begin+0x310/0x670 [ 5915.761681][ T72] addrconf_dad_work+0x10b/0xab0 [ 5915.761681][ T72] process_one_work+0x84d/0x18a0 [ 5915.761681][ T72] worker_thread+0x587/0xd30 [ 5915.761681][ T72] kthread+0x28a/0x350 [ 5915.761681][ T72] ret_from_fork+0x31/0x70 [ 5915.761681][ T72] ret_from_fork_asm+0x1a/0x30 [ 5915.761681][ T72] [ 5915.763752][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5915.763752][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.763752][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.763752][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.763752][ T72] ip6_route_add+0x1c/0x140 [ 5915.763752][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5915.763752][ T72] inet6_addr_add+0x4f8/0xa40 [ 5915.763752][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.763752][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.763752][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.763752][ T72] netlink_unicast+0x449/0x710 [ 5915.763752][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.763752][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.763752][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.763752][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.763752][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.763752][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.763752][ T72] [ 5915.765978][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5915.765978][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.765978][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.765978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.765978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5915.765978][ T72] ipv6_add_addr+0x411/0x2000 [ 5915.765978][ T72] inet6_addr_add+0x30e/0xa40 [ 5915.765978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.765978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.765978][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.765978][ T72] netlink_unicast+0x449/0x710 [ 5915.765978][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.765978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.765978][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.765978][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.765978][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.765978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.765978][ T72] [ 5915.768285][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5915.768285][ T72] netdev_get_by_index+0x5e/0x80 [ 5915.768285][ T72] fib6_nh_init+0x3d8/0x1580 [ 5915.768285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5915.768285][ T72] ip6_route_add+0x1c/0x140 [ 5915.768285][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5915.768285][ T72] addrconf_add_dev+0xe2/0x170 [ 5915.768285][ T72] inet6_addr_add+0x12f/0xa40 [ 5915.768285][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.768285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.768285][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.768285][ T72] netlink_unicast+0x449/0x710 [ 5915.768285][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.768285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.768285][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.768285][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.768285][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.768285][ T72] [ 5915.770499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5915.770499][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5915.770499][ T72] ipv6_find_idev+0x102/0x170 [ 5915.770499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.770499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.770499][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.770499][ T72] netlink_unicast+0x449/0x710 [ 5915.770499][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.770499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.770499][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.770499][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.770499][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.770499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.770499][ T72] [ 5915.772246][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5915.772246][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5915.772246][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5915.772246][ T72] ipv6_find_idev+0x102/0x170 [ 5915.772246][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.772246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.772246][ T72] netlink_rcv_skb+0x130/0x360 [ 5915.772246][ T72] netlink_unicast+0x449/0x710 [ 5915.772246][ T72] netlink_sendmsg+0x723/0xbe0 [ 5915.772246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5915.772246][ T72] ___sys_sendmsg+0xee/0x170 [ 5915.772246][ T72] __sys_sendmsg+0xcd/0x170 [ 5915.772246][ T72] do_syscall_64+0xc6/0x1e0 [ 5915.772246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.772246][ T72] [ 5925.888904][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5925.889418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5925.889418][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5925.889418][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5925.889418][ T72] fib6_nh_init+0xa22/0x1580 [ 5925.889418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.889418][ T72] ip6_route_add+0x1c/0x140 [ 5925.889418][ T72] inet6_rtm_newroute+0x104/0x110 [ 5925.889418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.889418][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.889418][ T72] netlink_unicast+0x449/0x710 [ 5925.889418][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.889418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.889418][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.889418][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.889418][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.889418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.889418][ T72] [ 5925.891348][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5925.891348][ T72] dst_init+0x84/0x4a0 [ 5925.891348][ T72] dst_alloc+0x97/0x150 [ 5925.891348][ T72] ip6_dst_alloc+0x23/0x90 [ 5925.891348][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5925.891348][ T72] ip6_pol_route+0x56f/0x840 [ 5925.891348][ T72] fib6_rule_lookup+0x456/0x630 [ 5925.891348][ T72] ip6_route_input+0x59c/0xa50 [ 5925.891348][ T72] ipv6_rcv+0x397/0x810 [ 5925.891348][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5925.891348][ T72] process_backlog+0x101/0x620 [ 5925.891348][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5925.891348][ T72] net_rx_action+0x495/0xbe0 [ 5925.891348][ T72] __do_softirq+0x1b5/0x7f6 [ 5925.891348][ T72] [ 5925.893386][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5925.893386][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.893386][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.893386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.893386][ T72] ip6_route_add+0x1c/0x140 [ 5925.893386][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5925.893386][ T72] inet6_addr_add+0x4f8/0xa40 [ 5925.893386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.893386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.893386][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.893386][ T72] netlink_unicast+0x449/0x710 [ 5925.893386][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.893386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.893386][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.893386][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.893386][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.893386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.893386][ T72] [ 5925.895823][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5925.895823][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.895823][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.895823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.895823][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5925.895823][ T72] ipv6_add_addr+0x411/0x2000 [ 5925.895823][ T72] inet6_addr_add+0x30e/0xa40 [ 5925.895823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.895823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.895823][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.895823][ T72] netlink_unicast+0x449/0x710 [ 5925.895823][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.895823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.895823][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.895823][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.895823][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.895823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.895823][ T72] [ 5925.898266][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5925.898266][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.898266][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.898266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.898266][ T72] ip6_route_add+0x1c/0x140 [ 5925.898266][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5925.898266][ T72] addrconf_add_dev+0xe2/0x170 [ 5925.898266][ T72] inet6_addr_add+0x12f/0xa40 [ 5925.898266][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.898266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.898266][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.898266][ T72] netlink_unicast+0x449/0x710 [ 5925.898266][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.898266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.898266][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.898266][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.898266][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.898266][ T72] [ 5925.900673][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5925.900673][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5925.900673][ T72] ipv6_find_idev+0x102/0x170 [ 5925.900673][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5925.900673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.900673][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.900673][ T72] netlink_unicast+0x449/0x710 [ 5925.900673][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.900673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.900673][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.900673][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.900673][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.900673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.900673][ T72] [ 5925.902558][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5925.902558][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5925.902558][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5925.902558][ T72] ipv6_find_idev+0x102/0x170 [ 5925.902558][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5925.902558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.902558][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.902558][ T72] netlink_unicast+0x449/0x710 [ 5925.902558][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.902558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.902558][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.902558][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.902558][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.902558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.902558][ T72] [ 5925.904638][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5925.904977][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5925.904977][ T72] dst_init+0x84/0x4a0 [ 5925.904977][ T72] dst_alloc+0x97/0x150 [ 5925.904977][ T72] ip6_dst_alloc+0x23/0x90 [ 5925.904977][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5925.904977][ T72] ip6_pol_route+0x56f/0x840 [ 5925.904977][ T72] fib6_rule_lookup+0x456/0x630 [ 5925.904977][ T72] ip6_route_input+0x59c/0xa50 [ 5925.904977][ T72] ipv6_rcv+0x397/0x810 [ 5925.904977][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5925.904977][ T72] process_backlog+0x101/0x620 [ 5925.904977][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5925.904977][ T72] net_rx_action+0x495/0xbe0 [ 5925.904977][ T72] __do_softirq+0x1b5/0x7f6 [ 5925.904977][ T72] [ 5925.906974][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5925.906974][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.906974][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.906974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.906974][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5925.906974][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5925.906974][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5925.906974][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5925.906974][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5925.906974][ T72] addrconf_dad_begin+0x310/0x670 [ 5925.906974][ T72] addrconf_dad_work+0x10b/0xab0 [ 5925.906974][ T72] process_one_work+0x84d/0x18a0 [ 5925.906974][ T72] worker_thread+0x587/0xd30 [ 5925.906974][ T72] kthread+0x28a/0x350 [ 5925.906974][ T72] ret_from_fork+0x31/0x70 [ 5925.906974][ T72] ret_from_fork_asm+0x1a/0x30 [ 5925.906974][ T72] [ 5925.909293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5925.909293][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.909293][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.909293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.909293][ T72] ip6_route_add+0x1c/0x140 [ 5925.909293][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5925.909293][ T72] inet6_addr_add+0x4f8/0xa40 [ 5925.909293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.909293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.909293][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.909293][ T72] netlink_unicast+0x449/0x710 [ 5925.909293][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.909293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.909293][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.909293][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.909293][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.909293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.909293][ T72] [ 5925.911727][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5925.911727][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.911727][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.911727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.911727][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5925.911727][ T72] ipv6_add_addr+0x411/0x2000 [ 5925.911727][ T72] inet6_addr_add+0x30e/0xa40 [ 5925.911727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.911727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.911727][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.911727][ T72] netlink_unicast+0x449/0x710 [ 5925.911727][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.911727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.911727][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.911727][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.911727][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.911727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.911727][ T72] [ 5925.914137][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5925.914137][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.914137][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.914137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.914137][ T72] ip6_route_add+0x1c/0x140 [ 5925.914137][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5925.914137][ T72] addrconf_add_dev+0xe2/0x170 [ 5925.914137][ T72] inet6_addr_add+0x12f/0xa40 [ 5925.914137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.914137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.914137][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.914137][ T72] netlink_unicast+0x449/0x710 [ 5925.914137][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.914137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.914137][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.914137][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.914137][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.914137][ T72] [ 5925.916527][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5925.916527][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5925.916527][ T72] ipv6_find_idev+0x102/0x170 [ 5925.916527][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5925.916527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.916527][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.916527][ T72] netlink_unicast+0x449/0x710 [ 5925.916527][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.916527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.916527][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.916527][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.916527][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.916527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.916527][ T72] [ 5925.918404][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5925.918404][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5925.918404][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5925.918404][ T72] ipv6_find_idev+0x102/0x170 [ 5925.918404][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5925.918404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.918404][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.918404][ T72] netlink_unicast+0x449/0x710 [ 5925.918404][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.918404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.918404][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.918404][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.918404][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.918404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.918404][ T72] [ 5925.920567][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5925.920935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5925.920935][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5925.920935][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5925.920935][ T72] fib6_nh_init+0xa22/0x1580 [ 5925.920935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.920935][ T72] ip6_route_add+0x1c/0x140 [ 5925.920935][ T72] inet6_rtm_newroute+0x104/0x110 [ 5925.920935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.920935][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.920935][ T72] netlink_unicast+0x449/0x710 [ 5925.920935][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.920935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.920935][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.920935][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.920935][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.920935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.920935][ T72] [ 5925.923556][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5925.923556][ T72] dst_init+0x84/0x4a0 [ 5925.923556][ T72] dst_alloc+0x97/0x150 [ 5925.923556][ T72] ip6_dst_alloc+0x23/0x90 [ 5925.923556][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5925.923556][ T72] ip6_pol_route+0x56f/0x840 [ 5925.923556][ T72] fib6_rule_lookup+0x456/0x630 [ 5925.923556][ T72] ip6_route_input+0x59c/0xa50 [ 5925.923556][ T72] ipv6_rcv+0x397/0x810 [ 5925.923556][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5925.923556][ T72] process_backlog+0x101/0x620 [ 5925.923556][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5925.923556][ T72] net_rx_action+0x495/0xbe0 [ 5925.923556][ T72] __do_softirq+0x1b5/0x7f6 [ 5925.923556][ T72] [ 5925.925728][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5925.925728][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.925728][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.925728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.925728][ T72] ip6_route_add+0x1c/0x140 [ 5925.925728][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5925.925728][ T72] inet6_addr_add+0x4f8/0xa40 [ 5925.925728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.925728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.925728][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.925728][ T72] netlink_unicast+0x449/0x710 [ 5925.925728][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.925728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.925728][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.925728][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.925728][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.925728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.925728][ T72] [ 5925.928355][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5925.928355][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.928355][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.928355][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.928355][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5925.928355][ T72] ipv6_add_addr+0x411/0x2000 [ 5925.928355][ T72] inet6_addr_add+0x30e/0xa40 [ 5925.928355][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.928355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.928355][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.928355][ T72] netlink_unicast+0x449/0x710 [ 5925.928355][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.928355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.928355][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.928355][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.928355][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.928355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.928355][ T72] [ 5925.931063][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5925.931063][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.931063][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.931063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.931063][ T72] ip6_route_add+0x1c/0x140 [ 5925.931063][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5925.931063][ T72] addrconf_add_dev+0xe2/0x170 [ 5925.931063][ T72] inet6_addr_add+0x12f/0xa40 [ 5925.931063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.931063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.931063][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.931063][ T72] netlink_unicast+0x449/0x710 [ 5925.931063][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.931063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.931063][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.931063][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.931063][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.931063][ T72] [ 5925.933765][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5925.933765][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5925.933765][ T72] ipv6_find_idev+0x102/0x170 [ 5925.933765][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5925.933765][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.933765][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.933765][ T72] netlink_unicast+0x449/0x710 [ 5925.933765][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.933765][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.933765][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.933765][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.933765][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.933765][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.933765][ T72] [ 5925.935842][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5925.935842][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5925.935842][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5925.935842][ T72] ipv6_find_idev+0x102/0x170 [ 5925.935842][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5925.935842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.935842][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.935842][ T72] netlink_unicast+0x449/0x710 [ 5925.935842][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.935842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.935842][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.935842][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.935842][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.935842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.935842][ T72] [ 5925.938087][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5925.938473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5925.938473][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.938473][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.938473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.938473][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5925.938473][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5925.938473][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5925.938473][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5925.938473][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5925.938473][ T72] addrconf_dad_begin+0x310/0x670 [ 5925.938473][ T72] addrconf_dad_work+0x10b/0xab0 [ 5925.938473][ T72] process_one_work+0x84d/0x18a0 [ 5925.938473][ T72] worker_thread+0x587/0xd30 [ 5925.938473][ T72] kthread+0x28a/0x350 [ 5925.938473][ T72] ret_from_fork+0x31/0x70 [ 5925.938473][ T72] ret_from_fork_asm+0x1a/0x30 [ 5925.938473][ T72] [ 5925.940982][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5925.940982][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.940982][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.940982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.940982][ T72] ip6_route_add+0x1c/0x140 [ 5925.940982][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5925.940982][ T72] inet6_addr_add+0x4f8/0xa40 [ 5925.940982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.940982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.940982][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.940982][ T72] netlink_unicast+0x449/0x710 [ 5925.940982][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.940982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.940982][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.940982][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.940982][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.940982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.940982][ T72] [ 5925.943636][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5925.943636][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.943636][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.943636][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.943636][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5925.943636][ T72] ipv6_add_addr+0x411/0x2000 [ 5925.943636][ T72] inet6_addr_add+0x30e/0xa40 [ 5925.943636][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.943636][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.943636][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.943636][ T72] netlink_unicast+0x449/0x710 [ 5925.943636][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.943636][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.943636][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.943636][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.943636][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.943636][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.943636][ T72] [ 5925.946351][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5925.946351][ T72] netdev_get_by_index+0x5e/0x80 [ 5925.946351][ T72] fib6_nh_init+0x3d8/0x1580 [ 5925.946351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5925.946351][ T72] ip6_route_add+0x1c/0x140 [ 5925.946351][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5925.946351][ T72] addrconf_add_dev+0xe2/0x170 [ 5925.946351][ T72] inet6_addr_add+0x12f/0xa40 [ 5925.946351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5925.946351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.946351][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.946351][ T72] netlink_unicast+0x449/0x710 [ 5925.946351][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.946351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.946351][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.946351][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.946351][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.946351][ T72] [ 5925.948999][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5925.948999][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5925.948999][ T72] ipv6_find_idev+0x102/0x170 [ 5925.948999][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5925.948999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.948999][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.948999][ T72] netlink_unicast+0x449/0x710 [ 5925.948999][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.948999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.948999][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.948999][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.948999][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.948999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.948999][ T72] [ 5925.951079][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5925.951079][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5925.951079][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5925.951079][ T72] ipv6_find_idev+0x102/0x170 [ 5925.951079][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5925.951079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5925.951079][ T72] netlink_rcv_skb+0x130/0x360 [ 5925.951079][ T72] netlink_unicast+0x449/0x710 [ 5925.951079][ T72] netlink_sendmsg+0x723/0xbe0 [ 5925.951079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5925.951079][ T72] ___sys_sendmsg+0xee/0x170 [ 5925.951079][ T72] __sys_sendmsg+0xcd/0x170 [ 5925.951079][ T72] do_syscall_64+0xc6/0x1e0 [ 5925.951079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5925.951079][ T72] [ 5936.192946][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5936.193480][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5936.193480][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5936.193480][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5936.193480][ T72] fib6_nh_init+0xa22/0x1580 [ 5936.193480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.193480][ T72] ip6_route_add+0x1c/0x140 [ 5936.193480][ T72] inet6_rtm_newroute+0x104/0x110 [ 5936.193480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.193480][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.193480][ T72] netlink_unicast+0x449/0x710 [ 5936.193480][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.193480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.193480][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.193480][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.193480][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.193480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.193480][ T72] [ 5936.195801][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5936.195801][ T72] dst_init+0x84/0x4a0 [ 5936.195801][ T72] dst_alloc+0x97/0x150 [ 5936.195801][ T72] ip6_dst_alloc+0x23/0x90 [ 5936.195801][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5936.195801][ T72] ip6_pol_route+0x56f/0x840 [ 5936.195801][ T72] fib6_rule_lookup+0x456/0x630 [ 5936.195801][ T72] ip6_route_input+0x59c/0xa50 [ 5936.195801][ T72] ipv6_rcv+0x397/0x810 [ 5936.195801][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5936.195801][ T72] process_backlog+0x101/0x620 [ 5936.195801][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5936.195801][ T72] net_rx_action+0x495/0xbe0 [ 5936.195801][ T72] __do_softirq+0x1b5/0x7f6 [ 5936.195801][ T72] [ 5936.197801][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5936.197801][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.197801][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.197801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.197801][ T72] ip6_route_add+0x1c/0x140 [ 5936.197801][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5936.197801][ T72] inet6_addr_add+0x4f8/0xa40 [ 5936.197801][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.197801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.197801][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.197801][ T72] netlink_unicast+0x449/0x710 [ 5936.197801][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.197801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.197801][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.197801][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.197801][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.197801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.197801][ T72] [ 5936.200229][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5936.200229][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.200229][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.200229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.200229][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5936.200229][ T72] ipv6_add_addr+0x411/0x2000 [ 5936.200229][ T72] inet6_addr_add+0x30e/0xa40 [ 5936.200229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.200229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.200229][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.200229][ T72] netlink_unicast+0x449/0x710 [ 5936.200229][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.200229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.200229][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.200229][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.200229][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.200229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.200229][ T72] [ 5936.202654][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5936.202654][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.202654][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.202654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.202654][ T72] ip6_route_add+0x1c/0x140 [ 5936.202654][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.202654][ T72] addrconf_add_dev+0xe2/0x170 [ 5936.202654][ T72] inet6_addr_add+0x12f/0xa40 [ 5936.202654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.202654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.202654][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.202654][ T72] netlink_unicast+0x449/0x710 [ 5936.202654][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.202654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.202654][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.202654][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.202654][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.202654][ T72] [ 5936.205084][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5936.205084][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5936.205084][ T72] ipv6_find_idev+0x102/0x170 [ 5936.205084][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.205084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.205084][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.205084][ T72] netlink_unicast+0x449/0x710 [ 5936.205084][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.205084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.205084][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.205084][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.205084][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.205084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.205084][ T72] [ 5936.206950][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5936.206950][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5936.206950][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5936.206950][ T72] ipv6_find_idev+0x102/0x170 [ 5936.206950][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.206950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.206950][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.206950][ T72] netlink_unicast+0x449/0x710 [ 5936.206950][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.206950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.206950][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.206950][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.206950][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.206950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.206950][ T72] [ 5936.209017][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5936.209363][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5936.209363][ T72] dst_init+0x84/0x4a0 [ 5936.209363][ T72] dst_alloc+0x97/0x150 [ 5936.209363][ T72] ip6_dst_alloc+0x23/0x90 [ 5936.209363][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5936.209363][ T72] ip6_pol_route+0x56f/0x840 [ 5936.209363][ T72] fib6_rule_lookup+0x456/0x630 [ 5936.209363][ T72] ip6_route_input+0x59c/0xa50 [ 5936.209363][ T72] ipv6_rcv+0x397/0x810 [ 5936.209363][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5936.209363][ T72] process_backlog+0x101/0x620 [ 5936.209363][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5936.209363][ T72] net_rx_action+0x495/0xbe0 [ 5936.209363][ T72] __do_softirq+0x1b5/0x7f6 [ 5936.209363][ T72] [ 5936.211370][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5936.211370][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.211370][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.211370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.211370][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5936.211370][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5936.211370][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5936.211370][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5936.211370][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5936.211370][ T72] addrconf_dad_begin+0x310/0x670 [ 5936.211370][ T72] addrconf_dad_work+0x10b/0xab0 [ 5936.211370][ T72] process_one_work+0x84d/0x18a0 [ 5936.211370][ T72] worker_thread+0x587/0xd30 [ 5936.211370][ T72] kthread+0x28a/0x350 [ 5936.211370][ T72] ret_from_fork+0x31/0x70 [ 5936.211370][ T72] ret_from_fork_asm+0x1a/0x30 [ 5936.211370][ T72] [ 5936.213676][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5936.213676][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.213676][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.213676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.213676][ T72] ip6_route_add+0x1c/0x140 [ 5936.213676][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5936.213676][ T72] inet6_addr_add+0x4f8/0xa40 [ 5936.213676][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.213676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.213676][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.213676][ T72] netlink_unicast+0x449/0x710 [ 5936.213676][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.213676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.213676][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.213676][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.213676][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.213676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.213676][ T72] [ 5936.216090][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5936.216090][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.216090][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.216090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.216090][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5936.216090][ T72] ipv6_add_addr+0x411/0x2000 [ 5936.216090][ T72] inet6_addr_add+0x30e/0xa40 [ 5936.216090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.216090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.216090][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.216090][ T72] netlink_unicast+0x449/0x710 [ 5936.216090][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.216090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.216090][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.216090][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.216090][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.216090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.216090][ T72] [ 5936.218498][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5936.218498][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.218498][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.218498][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.218498][ T72] ip6_route_add+0x1c/0x140 [ 5936.218498][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.218498][ T72] addrconf_add_dev+0xe2/0x170 [ 5936.218498][ T72] inet6_addr_add+0x12f/0xa40 [ 5936.218498][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.218498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.218498][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.218498][ T72] netlink_unicast+0x449/0x710 [ 5936.218498][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.218498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.218498][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.218498][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.218498][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.218498][ T72] [ 5936.220908][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5936.220908][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5936.220908][ T72] ipv6_find_idev+0x102/0x170 [ 5936.220908][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.220908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.220908][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.220908][ T72] netlink_unicast+0x449/0x710 [ 5936.220908][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.220908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.220908][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.220908][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.220908][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.220908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.220908][ T72] [ 5936.222805][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5936.222805][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5936.222805][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5936.222805][ T72] ipv6_find_idev+0x102/0x170 [ 5936.222805][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.222805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.222805][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.222805][ T72] netlink_unicast+0x449/0x710 [ 5936.222805][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.222805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.222805][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.222805][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.222805][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.222805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.222805][ T72] [ 5936.224980][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5936.225322][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5936.225322][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5936.225322][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5936.225322][ T72] fib6_nh_init+0xa22/0x1580 [ 5936.225322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.225322][ T72] ip6_route_add+0x1c/0x140 [ 5936.225322][ T72] inet6_rtm_newroute+0x104/0x110 [ 5936.225322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.225322][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.225322][ T72] netlink_unicast+0x449/0x710 [ 5936.225322][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.225322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.225322][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.225322][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.225322][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.225322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.225322][ T72] [ 5936.227905][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5936.227905][ T72] dst_init+0x84/0x4a0 [ 5936.227905][ T72] dst_alloc+0x97/0x150 [ 5936.227905][ T72] ip6_dst_alloc+0x23/0x90 [ 5936.227905][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5936.227905][ T72] ip6_pol_route+0x56f/0x840 [ 5936.227905][ T72] fib6_rule_lookup+0x456/0x630 [ 5936.227905][ T72] ip6_route_input+0x59c/0xa50 [ 5936.227905][ T72] ipv6_rcv+0x397/0x810 [ 5936.227905][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5936.227905][ T72] process_backlog+0x101/0x620 [ 5936.227905][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5936.227905][ T72] net_rx_action+0x495/0xbe0 [ 5936.227905][ T72] __do_softirq+0x1b5/0x7f6 [ 5936.227905][ T72] [ 5936.230065][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5936.230065][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.230065][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.230065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.230065][ T72] ip6_route_add+0x1c/0x140 [ 5936.230065][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5936.230065][ T72] inet6_addr_add+0x4f8/0xa40 [ 5936.230065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.230065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.230065][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.230065][ T72] netlink_unicast+0x449/0x710 [ 5936.230065][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.230065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.230065][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.230065][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.230065][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.230065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.230065][ T72] [ 5936.232715][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5936.232715][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.232715][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.232715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.232715][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5936.232715][ T72] ipv6_add_addr+0x411/0x2000 [ 5936.232715][ T72] inet6_addr_add+0x30e/0xa40 [ 5936.232715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.232715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.232715][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.232715][ T72] netlink_unicast+0x449/0x710 [ 5936.232715][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.232715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.232715][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.232715][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.232715][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.232715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.232715][ T72] [ 5936.235385][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5936.235385][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.235385][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.235385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.235385][ T72] ip6_route_add+0x1c/0x140 [ 5936.235385][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.235385][ T72] addrconf_add_dev+0xe2/0x170 [ 5936.235385][ T72] inet6_addr_add+0x12f/0xa40 [ 5936.235385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.235385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.235385][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.235385][ T72] netlink_unicast+0x449/0x710 [ 5936.235385][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.235385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.235385][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.235385][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.235385][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.235385][ T72] [ 5936.238100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5936.238100][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5936.238100][ T72] ipv6_find_idev+0x102/0x170 [ 5936.238100][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.238100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.238100][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.238100][ T72] netlink_unicast+0x449/0x710 [ 5936.238100][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.238100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.238100][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.238100][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.238100][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.238100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.238100][ T72] [ 5936.240144][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5936.240144][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5936.240144][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5936.240144][ T72] ipv6_find_idev+0x102/0x170 [ 5936.240144][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.240144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.240144][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.240144][ T72] netlink_unicast+0x449/0x710 [ 5936.240144][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.240144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.240144][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.240144][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.240144][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.240144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.240144][ T72] [ 5936.242397][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5936.242792][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5936.242792][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.242792][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.242792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.242792][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5936.242792][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5936.242792][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5936.242792][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5936.242792][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5936.242792][ T72] addrconf_dad_begin+0x310/0x670 [ 5936.242792][ T72] addrconf_dad_work+0x10b/0xab0 [ 5936.242792][ T72] process_one_work+0x84d/0x18a0 [ 5936.242792][ T72] worker_thread+0x587/0xd30 [ 5936.242792][ T72] kthread+0x28a/0x350 [ 5936.242792][ T72] ret_from_fork+0x31/0x70 [ 5936.242792][ T72] ret_from_fork_asm+0x1a/0x30 [ 5936.242792][ T72] [ 5936.245260][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5936.245260][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.245260][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.245260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.245260][ T72] ip6_route_add+0x1c/0x140 [ 5936.245260][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5936.245260][ T72] inet6_addr_add+0x4f8/0xa40 [ 5936.245260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.245260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.245260][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.245260][ T72] netlink_unicast+0x449/0x710 [ 5936.245260][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.245260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.245260][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.245260][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.245260][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.245260][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.245260][ T72] [ 5936.247921][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5936.247921][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.247921][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.247921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.247921][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5936.247921][ T72] ipv6_add_addr+0x411/0x2000 [ 5936.247921][ T72] inet6_addr_add+0x30e/0xa40 [ 5936.247921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.247921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.247921][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.247921][ T72] netlink_unicast+0x449/0x710 [ 5936.247921][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.247921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.247921][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.247921][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.247921][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.247921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.247921][ T72] [ 5936.251203][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5936.251203][ T72] netdev_get_by_index+0x5e/0x80 [ 5936.251203][ T72] fib6_nh_init+0x3d8/0x1580 [ 5936.251203][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5936.251203][ T72] ip6_route_add+0x1c/0x140 [ 5936.251203][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.251203][ T72] addrconf_add_dev+0xe2/0x170 [ 5936.251203][ T72] inet6_addr_add+0x12f/0xa40 [ 5936.251203][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.251203][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.251203][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.251203][ T72] netlink_unicast+0x449/0x710 [ 5936.251203][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.251203][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.251203][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.251203][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.251203][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.251203][ T72] [ 5936.253834][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5936.253834][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5936.253834][ T72] ipv6_find_idev+0x102/0x170 [ 5936.253834][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.253834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.253834][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.253834][ T72] netlink_unicast+0x449/0x710 [ 5936.253834][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.253834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.253834][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.253834][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.253834][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.253834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.253834][ T72] [ 5936.255878][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5936.255878][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5936.255878][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5936.255878][ T72] ipv6_find_idev+0x102/0x170 [ 5936.255878][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.255878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.255878][ T72] netlink_rcv_skb+0x130/0x360 [ 5936.255878][ T72] netlink_unicast+0x449/0x710 [ 5936.255878][ T72] netlink_sendmsg+0x723/0xbe0 [ 5936.255878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5936.255878][ T72] ___sys_sendmsg+0xee/0x170 [ 5936.255878][ T72] __sys_sendmsg+0xcd/0x170 [ 5936.255878][ T72] do_syscall_64+0xc6/0x1e0 [ 5936.255878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.255878][ T72] [ 5946.496983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5946.497567][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5946.497567][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5946.497567][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5946.497567][ T72] fib6_nh_init+0xa22/0x1580 [ 5946.497567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.497567][ T72] ip6_route_add+0x1c/0x140 [ 5946.497567][ T72] inet6_rtm_newroute+0x104/0x110 [ 5946.497567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.497567][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.497567][ T72] netlink_unicast+0x449/0x710 [ 5946.497567][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.497567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.497567][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.497567][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.497567][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.497567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.497567][ T72] [ 5946.499516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5946.499516][ T72] dst_init+0x84/0x4a0 [ 5946.499516][ T72] dst_alloc+0x97/0x150 [ 5946.499516][ T72] ip6_dst_alloc+0x23/0x90 [ 5946.499516][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5946.499516][ T72] ip6_pol_route+0x56f/0x840 [ 5946.499516][ T72] fib6_rule_lookup+0x456/0x630 [ 5946.499516][ T72] ip6_route_input+0x59c/0xa50 [ 5946.499516][ T72] ipv6_rcv+0x397/0x810 [ 5946.499516][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5946.499516][ T72] process_backlog+0x101/0x620 [ 5946.499516][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5946.499516][ T72] net_rx_action+0x495/0xbe0 [ 5946.499516][ T72] __do_softirq+0x1b5/0x7f6 [ 5946.499516][ T72] [ 5946.501308][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5946.501308][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.501308][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.501308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.501308][ T72] ip6_route_add+0x1c/0x140 [ 5946.501308][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5946.501308][ T72] inet6_addr_add+0x4f8/0xa40 [ 5946.501308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.501308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.501308][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.501308][ T72] netlink_unicast+0x449/0x710 [ 5946.501308][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.501308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.501308][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.501308][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.501308][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.501308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.501308][ T72] [ 5946.503355][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5946.503355][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.503355][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.503355][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.503355][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5946.503355][ T72] ipv6_add_addr+0x411/0x2000 [ 5946.503355][ T72] inet6_addr_add+0x30e/0xa40 [ 5946.503355][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.503355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.503355][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.503355][ T72] netlink_unicast+0x449/0x710 [ 5946.503355][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.503355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.503355][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.503355][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.503355][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.503355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.503355][ T72] [ 5946.505475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5946.505475][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.505475][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.505475][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.505475][ T72] ip6_route_add+0x1c/0x140 [ 5946.505475][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5946.505475][ T72] addrconf_add_dev+0xe2/0x170 [ 5946.505475][ T72] inet6_addr_add+0x12f/0xa40 [ 5946.505475][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.505475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.505475][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.505475][ T72] netlink_unicast+0x449/0x710 [ 5946.505475][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.505475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.505475][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.505475][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.505475][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.505475][ T72] [ 5946.507594][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5946.507594][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5946.507594][ T72] ipv6_find_idev+0x102/0x170 [ 5946.507594][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.507594][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.507594][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.507594][ T72] netlink_unicast+0x449/0x710 [ 5946.507594][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.507594][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.507594][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.507594][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.507594][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.507594][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.507594][ T72] [ 5946.509258][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5946.509258][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5946.509258][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5946.509258][ T72] ipv6_find_idev+0x102/0x170 [ 5946.509258][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.509258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.509258][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.509258][ T72] netlink_unicast+0x449/0x710 [ 5946.509258][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.509258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.509258][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.509258][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.509258][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.509258][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.509258][ T72] [ 5946.511134][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5946.511423][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5946.511423][ T72] dst_init+0x84/0x4a0 [ 5946.511423][ T72] dst_alloc+0x97/0x150 [ 5946.511423][ T72] ip6_dst_alloc+0x23/0x90 [ 5946.511423][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5946.511423][ T72] ip6_pol_route+0x56f/0x840 [ 5946.511423][ T72] fib6_rule_lookup+0x456/0x630 [ 5946.511423][ T72] ip6_route_input+0x59c/0xa50 [ 5946.511423][ T72] ipv6_rcv+0x397/0x810 [ 5946.511423][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5946.511423][ T72] process_backlog+0x101/0x620 [ 5946.511423][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5946.511423][ T72] net_rx_action+0x495/0xbe0 [ 5946.511423][ T72] __do_softirq+0x1b5/0x7f6 [ 5946.511423][ T72] [ 5946.513260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5946.513260][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.513260][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.513260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.513260][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5946.513260][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5946.513260][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5946.513260][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5946.513260][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5946.513260][ T72] addrconf_dad_begin+0x310/0x670 [ 5946.513260][ T72] addrconf_dad_work+0x10b/0xab0 [ 5946.513260][ T72] process_one_work+0x84d/0x18a0 [ 5946.513260][ T72] worker_thread+0x587/0xd30 [ 5946.513260][ T72] kthread+0x28a/0x350 [ 5946.513260][ T72] ret_from_fork+0x31/0x70 [ 5946.513260][ T72] ret_from_fork_asm+0x1a/0x30 [ 5946.513260][ T72] [ 5946.515319][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5946.515319][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.515319][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.515319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.515319][ T72] ip6_route_add+0x1c/0x140 [ 5946.515319][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5946.515319][ T72] inet6_addr_add+0x4f8/0xa40 [ 5946.515319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.515319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.515319][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.515319][ T72] netlink_unicast+0x449/0x710 [ 5946.515319][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.515319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.515319][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.515319][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.515319][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.515319][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.515319][ T72] [ 5946.517425][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5946.517425][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.517425][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.517425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.517425][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5946.517425][ T72] ipv6_add_addr+0x411/0x2000 [ 5946.517425][ T72] inet6_addr_add+0x30e/0xa40 [ 5946.517425][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.517425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.517425][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.517425][ T72] netlink_unicast+0x449/0x710 [ 5946.517425][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.517425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.517425][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.517425][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.517425][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.517425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.517425][ T72] [ 5946.519545][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5946.519545][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.519545][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.519545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.519545][ T72] ip6_route_add+0x1c/0x140 [ 5946.519545][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5946.519545][ T72] addrconf_add_dev+0xe2/0x170 [ 5946.519545][ T72] inet6_addr_add+0x12f/0xa40 [ 5946.519545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.519545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.519545][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.519545][ T72] netlink_unicast+0x449/0x710 [ 5946.519545][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.519545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.519545][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.519545][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.519545][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.519545][ T72] [ 5946.521557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5946.521557][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5946.521557][ T72] ipv6_find_idev+0x102/0x170 [ 5946.521557][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.521557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.521557][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.521557][ T72] netlink_unicast+0x449/0x710 [ 5946.521557][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.521557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.521557][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.521557][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.521557][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.521557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.521557][ T72] [ 5946.523727][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5946.523727][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5946.523727][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5946.523727][ T72] ipv6_find_idev+0x102/0x170 [ 5946.523727][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.523727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.523727][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.523727][ T72] netlink_unicast+0x449/0x710 [ 5946.523727][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.523727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.523727][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.523727][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.523727][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.523727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.523727][ T72] [ 5946.525636][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5946.526020][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5946.526020][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5946.526020][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5946.526020][ T72] fib6_nh_init+0xa22/0x1580 [ 5946.526020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.526020][ T72] ip6_route_add+0x1c/0x140 [ 5946.526020][ T72] inet6_rtm_newroute+0x104/0x110 [ 5946.526020][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.526020][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.526020][ T72] netlink_unicast+0x449/0x710 [ 5946.526020][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.526020][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.526020][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.526020][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.526020][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.526020][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.526020][ T72] [ 5946.528315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5946.528315][ T72] dst_init+0x84/0x4a0 [ 5946.528315][ T72] dst_alloc+0x97/0x150 [ 5946.528315][ T72] ip6_dst_alloc+0x23/0x90 [ 5946.528315][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5946.528315][ T72] ip6_pol_route+0x56f/0x840 [ 5946.528315][ T72] fib6_rule_lookup+0x456/0x630 [ 5946.528315][ T72] ip6_route_input+0x59c/0xa50 [ 5946.528315][ T72] ipv6_rcv+0x397/0x810 [ 5946.528315][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5946.528315][ T72] process_backlog+0x101/0x620 [ 5946.528315][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5946.528315][ T72] net_rx_action+0x495/0xbe0 [ 5946.528315][ T72] __do_softirq+0x1b5/0x7f6 [ 5946.528315][ T72] [ 5946.530266][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5946.530266][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.530266][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.530266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.530266][ T72] ip6_route_add+0x1c/0x140 [ 5946.530266][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5946.530266][ T72] inet6_addr_add+0x4f8/0xa40 [ 5946.530266][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.530266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.530266][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.530266][ T72] netlink_unicast+0x449/0x710 [ 5946.530266][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.530266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.530266][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.530266][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.530266][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.530266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.530266][ T72] [ 5946.532643][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5946.532643][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.532643][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.532643][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.532643][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5946.532643][ T72] ipv6_add_addr+0x411/0x2000 [ 5946.532643][ T72] inet6_addr_add+0x30e/0xa40 [ 5946.532643][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.532643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.532643][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.532643][ T72] netlink_unicast+0x449/0x710 [ 5946.532643][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.532643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.532643][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.532643][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.532643][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.532643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.532643][ T72] [ 5946.535023][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5946.535023][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.535023][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.535023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.535023][ T72] ip6_route_add+0x1c/0x140 [ 5946.535023][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5946.535023][ T72] addrconf_add_dev+0xe2/0x170 [ 5946.535023][ T72] inet6_addr_add+0x12f/0xa40 [ 5946.535023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.535023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.535023][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.535023][ T72] netlink_unicast+0x449/0x710 [ 5946.535023][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.535023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.535023][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.535023][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.535023][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.535023][ T72] [ 5946.537390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5946.537390][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5946.537390][ T72] ipv6_find_idev+0x102/0x170 [ 5946.537390][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.537390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.537390][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.537390][ T72] netlink_unicast+0x449/0x710 [ 5946.537390][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.537390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.537390][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.537390][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.537390][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.537390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.537390][ T72] [ 5946.539133][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5946.539133][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5946.539133][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5946.539133][ T72] ipv6_find_idev+0x102/0x170 [ 5946.539133][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.539133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.539133][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.539133][ T72] netlink_unicast+0x449/0x710 [ 5946.539133][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.539133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.539133][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.539133][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.539133][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.539133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.539133][ T72] [ 5946.541120][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5946.541414][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5946.541414][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.541414][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.541414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.541414][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5946.541414][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5946.541414][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5946.541414][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5946.541414][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5946.541414][ T72] addrconf_dad_begin+0x310/0x670 [ 5946.541414][ T72] addrconf_dad_work+0x10b/0xab0 [ 5946.541414][ T72] process_one_work+0x84d/0x18a0 [ 5946.541414][ T72] worker_thread+0x587/0xd30 [ 5946.541414][ T72] kthread+0x28a/0x350 [ 5946.541414][ T72] ret_from_fork+0x31/0x70 [ 5946.541414][ T72] ret_from_fork_asm+0x1a/0x30 [ 5946.541414][ T72] [ 5946.573520][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5946.573520][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.573520][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.573520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.573520][ T72] ip6_route_add+0x1c/0x140 [ 5946.573520][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5946.573520][ T72] inet6_addr_add+0x4f8/0xa40 [ 5946.573520][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.573520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.573520][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.573520][ T72] netlink_unicast+0x449/0x710 [ 5946.573520][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.573520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.573520][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.573520][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.573520][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.573520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.573520][ T72] [ 5946.575854][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5946.575854][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.575854][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.575854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.575854][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5946.575854][ T72] ipv6_add_addr+0x411/0x2000 [ 5946.575854][ T72] inet6_addr_add+0x30e/0xa40 [ 5946.575854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.575854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.575854][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.575854][ T72] netlink_unicast+0x449/0x710 [ 5946.575854][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.575854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.575854][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.575854][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.575854][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.575854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.575854][ T72] [ 5946.578169][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5946.578169][ T72] netdev_get_by_index+0x5e/0x80 [ 5946.578169][ T72] fib6_nh_init+0x3d8/0x1580 [ 5946.578169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5946.578169][ T72] ip6_route_add+0x1c/0x140 [ 5946.578169][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5946.578169][ T72] addrconf_add_dev+0xe2/0x170 [ 5946.578169][ T72] inet6_addr_add+0x12f/0xa40 [ 5946.578169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.578169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.578169][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.578169][ T72] netlink_unicast+0x449/0x710 [ 5946.578169][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.578169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.578169][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.578169][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.578169][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.578169][ T72] [ 5946.580469][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5946.580469][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5946.580469][ T72] ipv6_find_idev+0x102/0x170 [ 5946.580469][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.580469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.580469][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.580469][ T72] netlink_unicast+0x449/0x710 [ 5946.580469][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.580469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.580469][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.580469][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.580469][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.580469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.580469][ T72] [ 5946.582254][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5946.582254][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5946.582254][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5946.582254][ T72] ipv6_find_idev+0x102/0x170 [ 5946.582254][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.582254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.582254][ T72] netlink_rcv_skb+0x130/0x360 [ 5946.582254][ T72] netlink_unicast+0x449/0x710 [ 5946.582254][ T72] netlink_sendmsg+0x723/0xbe0 [ 5946.582254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5946.582254][ T72] ___sys_sendmsg+0xee/0x170 [ 5946.582254][ T72] __sys_sendmsg+0xcd/0x170 [ 5946.582254][ T72] do_syscall_64+0xc6/0x1e0 [ 5946.582254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.582254][ T72] [ 5956.824977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5956.825615][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5956.825615][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5956.825615][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5956.825615][ T72] fib6_nh_init+0xa22/0x1580 [ 5956.825615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.825615][ T72] ip6_route_add+0x1c/0x140 [ 5956.825615][ T72] inet6_rtm_newroute+0x104/0x110 [ 5956.825615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.825615][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.825615][ T72] netlink_unicast+0x449/0x710 [ 5956.825615][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.825615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.825615][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.825615][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.825615][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.825615][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.825615][ T72] [ 5956.827597][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5956.827597][ T72] dst_init+0x84/0x4a0 [ 5956.827597][ T72] dst_alloc+0x97/0x150 [ 5956.827597][ T72] ip6_dst_alloc+0x23/0x90 [ 5956.827597][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5956.827597][ T72] ip6_pol_route+0x56f/0x840 [ 5956.827597][ T72] fib6_rule_lookup+0x456/0x630 [ 5956.827597][ T72] ip6_route_input+0x59c/0xa50 [ 5956.827597][ T72] ipv6_rcv+0x397/0x810 [ 5956.827597][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5956.827597][ T72] process_backlog+0x101/0x620 [ 5956.827597][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5956.827597][ T72] net_rx_action+0x495/0xbe0 [ 5956.827597][ T72] __do_softirq+0x1b5/0x7f6 [ 5956.827597][ T72] [ 5956.858006][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5956.858006][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.858006][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.858006][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.858006][ T72] ip6_route_add+0x1c/0x140 [ 5956.858006][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5956.858006][ T72] inet6_addr_add+0x4f8/0xa40 [ 5956.858006][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.858006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.858006][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.858006][ T72] netlink_unicast+0x449/0x710 [ 5956.858006][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.858006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.858006][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.858006][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.858006][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.858006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.858006][ T72] [ 5956.860064][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5956.860064][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.860064][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.860064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.860064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5956.860064][ T72] ipv6_add_addr+0x411/0x2000 [ 5956.860064][ T72] inet6_addr_add+0x30e/0xa40 [ 5956.860064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.860064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.860064][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.860064][ T72] netlink_unicast+0x449/0x710 [ 5956.860064][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.860064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.860064][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.860064][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.860064][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.860064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.860064][ T72] [ 5956.862209][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5956.862209][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.862209][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.862209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.862209][ T72] ip6_route_add+0x1c/0x140 [ 5956.862209][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5956.862209][ T72] addrconf_add_dev+0xe2/0x170 [ 5956.862209][ T72] inet6_addr_add+0x12f/0xa40 [ 5956.862209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.862209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.862209][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.862209][ T72] netlink_unicast+0x449/0x710 [ 5956.862209][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.862209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.862209][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.862209][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.862209][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.862209][ T72] [ 5956.864370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5956.864370][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5956.864370][ T72] ipv6_find_idev+0x102/0x170 [ 5956.864370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5956.864370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.864370][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.864370][ T72] netlink_unicast+0x449/0x710 [ 5956.864370][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.864370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.864370][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.864370][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.864370][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.864370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.864370][ T72] [ 5956.865948][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5956.865948][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5956.865948][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5956.865948][ T72] ipv6_find_idev+0x102/0x170 [ 5956.865948][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5956.865948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.865948][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.865948][ T72] netlink_unicast+0x449/0x710 [ 5956.865948][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.865948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.865948][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.865948][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.865948][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.865948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.865948][ T72] [ 5956.867684][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5956.868015][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5956.868015][ T72] dst_init+0x84/0x4a0 [ 5956.868015][ T72] dst_alloc+0x97/0x150 [ 5956.868015][ T72] ip6_dst_alloc+0x23/0x90 [ 5956.868015][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5956.868015][ T72] ip6_pol_route+0x56f/0x840 [ 5956.868015][ T72] fib6_rule_lookup+0x456/0x630 [ 5956.868015][ T72] ip6_route_input+0x59c/0xa50 [ 5956.868015][ T72] ipv6_rcv+0x397/0x810 [ 5956.868015][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5956.868015][ T72] process_backlog+0x101/0x620 [ 5956.868015][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5956.868015][ T72] net_rx_action+0x495/0xbe0 [ 5956.868015][ T72] __do_softirq+0x1b5/0x7f6 [ 5956.868015][ T72] [ 5956.869833][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5956.869833][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.869833][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.869833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.869833][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5956.869833][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5956.869833][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5956.869833][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5956.869833][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5956.869833][ T72] addrconf_dad_begin+0x310/0x670 [ 5956.869833][ T72] addrconf_dad_work+0x10b/0xab0 [ 5956.869833][ T72] process_one_work+0x84d/0x18a0 [ 5956.869833][ T72] worker_thread+0x587/0xd30 [ 5956.869833][ T72] kthread+0x28a/0x350 [ 5956.869833][ T72] ret_from_fork+0x31/0x70 [ 5956.869833][ T72] ret_from_fork_asm+0x1a/0x30 [ 5956.869833][ T72] [ 5956.871974][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5956.871974][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.871974][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.871974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.871974][ T72] ip6_route_add+0x1c/0x140 [ 5956.871974][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5956.871974][ T72] inet6_addr_add+0x4f8/0xa40 [ 5956.871974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.871974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.871974][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.871974][ T72] netlink_unicast+0x449/0x710 [ 5956.871974][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.871974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.871974][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.871974][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.871974][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.871974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.871974][ T72] [ 5956.874185][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5956.874185][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.874185][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.874185][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.874185][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5956.874185][ T72] ipv6_add_addr+0x411/0x2000 [ 5956.874185][ T72] inet6_addr_add+0x30e/0xa40 [ 5956.874185][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.874185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.874185][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.874185][ T72] netlink_unicast+0x449/0x710 [ 5956.874185][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.874185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.874185][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.874185][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.874185][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.874185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.874185][ T72] [ 5956.876408][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5956.876408][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.876408][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.876408][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.876408][ T72] ip6_route_add+0x1c/0x140 [ 5956.876408][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5956.876408][ T72] addrconf_add_dev+0xe2/0x170 [ 5956.876408][ T72] inet6_addr_add+0x12f/0xa40 [ 5956.876408][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.876408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.876408][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.876408][ T72] netlink_unicast+0x449/0x710 [ 5956.876408][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.876408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.876408][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.876408][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.876408][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.876408][ T72] [ 5956.878568][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5956.878568][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5956.878568][ T72] ipv6_find_idev+0x102/0x170 [ 5956.878568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5956.878568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.878568][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.878568][ T72] netlink_unicast+0x449/0x710 [ 5956.878568][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.878568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.878568][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.878568][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.878568][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.878568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.878568][ T72] [ 5956.880244][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5956.880244][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5956.880244][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5956.880244][ T72] ipv6_find_idev+0x102/0x170 [ 5956.880244][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5956.880244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.880244][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.880244][ T72] netlink_unicast+0x449/0x710 [ 5956.880244][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.880244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.880244][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.880244][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.880244][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.880244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.880244][ T72] [ 5956.882172][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5956.882517][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5956.882517][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5956.882517][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5956.882517][ T72] fib6_nh_init+0xa22/0x1580 [ 5956.882517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.882517][ T72] ip6_route_add+0x1c/0x140 [ 5956.882517][ T72] inet6_rtm_newroute+0x104/0x110 [ 5956.882517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.882517][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.882517][ T72] netlink_unicast+0x449/0x710 [ 5956.882517][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.882517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.882517][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.882517][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.882517][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.882517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.882517][ T72] [ 5956.884704][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5956.884704][ T72] dst_init+0x84/0x4a0 [ 5956.884704][ T72] dst_alloc+0x97/0x150 [ 5956.884704][ T72] ip6_dst_alloc+0x23/0x90 [ 5956.884704][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5956.884704][ T72] ip6_pol_route+0x56f/0x840 [ 5956.884704][ T72] fib6_rule_lookup+0x456/0x630 [ 5956.884704][ T72] ip6_route_input+0x59c/0xa50 [ 5956.884704][ T72] ipv6_rcv+0x397/0x810 [ 5956.884704][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5956.884704][ T72] process_backlog+0x101/0x620 [ 5956.884704][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5956.884704][ T72] net_rx_action+0x495/0xbe0 [ 5956.884704][ T72] __do_softirq+0x1b5/0x7f6 [ 5956.884704][ T72] [ 5956.886694][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5956.886694][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.886694][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.886694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.886694][ T72] ip6_route_add+0x1c/0x140 [ 5956.886694][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5956.886694][ T72] inet6_addr_add+0x4f8/0xa40 [ 5956.886694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.886694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.886694][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.886694][ T72] netlink_unicast+0x449/0x710 [ 5956.886694][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.886694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.886694][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.886694][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.886694][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.886694][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.886694][ T72] [ 5956.889162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5956.889162][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.889162][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.889162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.889162][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5956.889162][ T72] ipv6_add_addr+0x411/0x2000 [ 5956.889162][ T72] inet6_addr_add+0x30e/0xa40 [ 5956.889162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.889162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.889162][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.889162][ T72] netlink_unicast+0x449/0x710 [ 5956.889162][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.889162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.889162][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.889162][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.889162][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.889162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.889162][ T72] [ 5956.891615][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5956.891615][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.891615][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.891615][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.891615][ T72] ip6_route_add+0x1c/0x140 [ 5956.891615][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5956.891615][ T72] addrconf_add_dev+0xe2/0x170 [ 5956.891615][ T72] inet6_addr_add+0x12f/0xa40 [ 5956.891615][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.891615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.891615][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.891615][ T72] netlink_unicast+0x449/0x710 [ 5956.891615][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.891615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.891615][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.891615][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.891615][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.891615][ T72] [ 5956.894030][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5956.894030][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5956.894030][ T72] ipv6_find_idev+0x102/0x170 [ 5956.894030][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5956.894030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.894030][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.894030][ T72] netlink_unicast+0x449/0x710 [ 5956.894030][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.894030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.894030][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.894030][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.894030][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.894030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.894030][ T72] [ 5956.895894][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5956.895894][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5956.895894][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5956.895894][ T72] ipv6_find_idev+0x102/0x170 [ 5956.895894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5956.895894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.895894][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.895894][ T72] netlink_unicast+0x449/0x710 [ 5956.895894][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.895894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.895894][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.895894][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.895894][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.895894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.895894][ T72] [ 5956.898338][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5956.898624][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5956.898624][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.898624][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.898624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.898624][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5956.898624][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5956.898624][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5956.898624][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5956.898624][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5956.898624][ T72] addrconf_dad_begin+0x310/0x670 [ 5956.898624][ T72] addrconf_dad_work+0x10b/0xab0 [ 5956.898624][ T72] process_one_work+0x84d/0x18a0 [ 5956.898624][ T72] worker_thread+0x587/0xd30 [ 5956.898624][ T72] kthread+0x28a/0x350 [ 5956.898624][ T72] ret_from_fork+0x31/0x70 [ 5956.898624][ T72] ret_from_fork_asm+0x1a/0x30 [ 5956.898624][ T72] [ 5956.900770][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5956.900770][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.900770][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.900770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.900770][ T72] ip6_route_add+0x1c/0x140 [ 5956.900770][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5956.900770][ T72] inet6_addr_add+0x4f8/0xa40 [ 5956.900770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.900770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.900770][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.900770][ T72] netlink_unicast+0x449/0x710 [ 5956.900770][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.900770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.900770][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.900770][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.900770][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.900770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.900770][ T72] [ 5956.903181][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5956.903181][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.903181][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.903181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.903181][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5956.903181][ T72] ipv6_add_addr+0x411/0x2000 [ 5956.903181][ T72] inet6_addr_add+0x30e/0xa40 [ 5956.903181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.903181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.903181][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.903181][ T72] netlink_unicast+0x449/0x710 [ 5956.903181][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.903181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.903181][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.903181][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.903181][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.903181][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.903181][ T72] [ 5956.905622][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5956.905622][ T72] netdev_get_by_index+0x5e/0x80 [ 5956.905622][ T72] fib6_nh_init+0x3d8/0x1580 [ 5956.905622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5956.905622][ T72] ip6_route_add+0x1c/0x140 [ 5956.905622][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5956.905622][ T72] addrconf_add_dev+0xe2/0x170 [ 5956.905622][ T72] inet6_addr_add+0x12f/0xa40 [ 5956.905622][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5956.905622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.905622][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.905622][ T72] netlink_unicast+0x449/0x710 [ 5956.905622][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.905622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.905622][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.905622][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.905622][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.905622][ T72] [ 5956.907979][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5956.907979][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5956.907979][ T72] ipv6_find_idev+0x102/0x170 [ 5956.907979][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5956.907979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.907979][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.907979][ T72] netlink_unicast+0x449/0x710 [ 5956.907979][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.907979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.907979][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.907979][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.907979][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.907979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.907979][ T72] [ 5956.909808][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5956.909808][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5956.909808][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5956.909808][ T72] ipv6_find_idev+0x102/0x170 [ 5956.909808][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5956.909808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5956.909808][ T72] netlink_rcv_skb+0x130/0x360 [ 5956.909808][ T72] netlink_unicast+0x449/0x710 [ 5956.909808][ T72] netlink_sendmsg+0x723/0xbe0 [ 5956.909808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5956.909808][ T72] ___sys_sendmsg+0xee/0x170 [ 5956.909808][ T72] __sys_sendmsg+0xcd/0x170 [ 5956.909808][ T72] do_syscall_64+0xc6/0x1e0 [ 5956.909808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5956.909808][ T72] [ 5967.152978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5967.153725][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5967.153725][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5967.153725][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5967.153725][ T72] fib6_nh_init+0xa22/0x1580 [ 5967.153725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.153725][ T72] ip6_route_add+0x1c/0x140 [ 5967.153725][ T72] inet6_rtm_newroute+0x104/0x110 [ 5967.153725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.153725][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.153725][ T72] netlink_unicast+0x449/0x710 [ 5967.153725][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.153725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.153725][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.153725][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.153725][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.153725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.153725][ T72] [ 5967.155719][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5967.155719][ T72] dst_init+0x84/0x4a0 [ 5967.155719][ T72] dst_alloc+0x97/0x150 [ 5967.155719][ T72] ip6_dst_alloc+0x23/0x90 [ 5967.155719][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5967.155719][ T72] ip6_pol_route+0x56f/0x840 [ 5967.155719][ T72] fib6_rule_lookup+0x456/0x630 [ 5967.155719][ T72] ip6_route_input+0x59c/0xa50 [ 5967.155719][ T72] ipv6_rcv+0x397/0x810 [ 5967.155719][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5967.155719][ T72] process_backlog+0x101/0x620 [ 5967.155719][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5967.155719][ T72] net_rx_action+0x495/0xbe0 [ 5967.155719][ T72] __do_softirq+0x1b5/0x7f6 [ 5967.155719][ T72] [ 5967.157454][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5967.157454][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.157454][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.157454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.157454][ T72] ip6_route_add+0x1c/0x140 [ 5967.157454][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5967.157454][ T72] inet6_addr_add+0x4f8/0xa40 [ 5967.157454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.157454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.157454][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.157454][ T72] netlink_unicast+0x449/0x710 [ 5967.157454][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.157454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.157454][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.157454][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.157454][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.157454][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.157454][ T72] [ 5967.159536][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5967.159536][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.159536][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.159536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.159536][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5967.159536][ T72] ipv6_add_addr+0x411/0x2000 [ 5967.159536][ T72] inet6_addr_add+0x30e/0xa40 [ 5967.159536][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.159536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.159536][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.159536][ T72] netlink_unicast+0x449/0x710 [ 5967.159536][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.159536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.159536][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.159536][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.159536][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.159536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.159536][ T72] [ 5967.161743][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5967.161743][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.161743][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.161743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.161743][ T72] ip6_route_add+0x1c/0x140 [ 5967.161743][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.161743][ T72] addrconf_add_dev+0xe2/0x170 [ 5967.161743][ T72] inet6_addr_add+0x12f/0xa40 [ 5967.161743][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.161743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.161743][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.161743][ T72] netlink_unicast+0x449/0x710 [ 5967.161743][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.161743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.161743][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.161743][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.161743][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.161743][ T72] [ 5967.163871][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5967.163871][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5967.163871][ T72] ipv6_find_idev+0x102/0x170 [ 5967.163871][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.163871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.163871][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.163871][ T72] netlink_unicast+0x449/0x710 [ 5967.163871][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.163871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.163871][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.163871][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.163871][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.163871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.163871][ T72] [ 5967.165578][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5967.165578][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5967.165578][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5967.165578][ T72] ipv6_find_idev+0x102/0x170 [ 5967.165578][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.165578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.165578][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.165578][ T72] netlink_unicast+0x449/0x710 [ 5967.165578][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.165578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.165578][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.165578][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.165578][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.165578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.165578][ T72] [ 5967.167484][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5967.167822][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5967.167822][ T72] dst_init+0x84/0x4a0 [ 5967.167822][ T72] dst_alloc+0x97/0x150 [ 5967.167822][ T72] ip6_dst_alloc+0x23/0x90 [ 5967.167822][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5967.167822][ T72] ip6_pol_route+0x56f/0x840 [ 5967.167822][ T72] fib6_rule_lookup+0x456/0x630 [ 5967.167822][ T72] ip6_route_input+0x59c/0xa50 [ 5967.167822][ T72] ipv6_rcv+0x397/0x810 [ 5967.167822][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5967.167822][ T72] process_backlog+0x101/0x620 [ 5967.167822][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5967.167822][ T72] net_rx_action+0x495/0xbe0 [ 5967.167822][ T72] __do_softirq+0x1b5/0x7f6 [ 5967.167822][ T72] [ 5967.169637][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5967.169637][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.169637][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.169637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.169637][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5967.169637][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5967.169637][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5967.169637][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5967.169637][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5967.169637][ T72] addrconf_dad_begin+0x310/0x670 [ 5967.169637][ T72] addrconf_dad_work+0x10b/0xab0 [ 5967.169637][ T72] process_one_work+0x84d/0x18a0 [ 5967.169637][ T72] worker_thread+0x587/0xd30 [ 5967.169637][ T72] kthread+0x28a/0x350 [ 5967.169637][ T72] ret_from_fork+0x31/0x70 [ 5967.169637][ T72] ret_from_fork_asm+0x1a/0x30 [ 5967.169637][ T72] [ 5967.171707][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5967.171707][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.171707][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.171707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.171707][ T72] ip6_route_add+0x1c/0x140 [ 5967.171707][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5967.171707][ T72] inet6_addr_add+0x4f8/0xa40 [ 5967.171707][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.171707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.171707][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.171707][ T72] netlink_unicast+0x449/0x710 [ 5967.171707][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.171707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.171707][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.171707][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.171707][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.171707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.171707][ T72] [ 5967.173900][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5967.173900][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.173900][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.173900][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.173900][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5967.173900][ T72] ipv6_add_addr+0x411/0x2000 [ 5967.173900][ T72] inet6_addr_add+0x30e/0xa40 [ 5967.173900][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.173900][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.173900][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.173900][ T72] netlink_unicast+0x449/0x710 [ 5967.173900][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.173900][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.173900][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.173900][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.173900][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.173900][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.173900][ T72] [ 5967.176096][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5967.176096][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.176096][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.176096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.176096][ T72] ip6_route_add+0x1c/0x140 [ 5967.176096][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.176096][ T72] addrconf_add_dev+0xe2/0x170 [ 5967.176096][ T72] inet6_addr_add+0x12f/0xa40 [ 5967.176096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.176096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.176096][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.176096][ T72] netlink_unicast+0x449/0x710 [ 5967.176096][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.176096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.176096][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.176096][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.176096][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.176096][ T72] [ 5967.178205][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5967.178205][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5967.178205][ T72] ipv6_find_idev+0x102/0x170 [ 5967.178205][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.178205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.178205][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.178205][ T72] netlink_unicast+0x449/0x710 [ 5967.178205][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.178205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.178205][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.178205][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.178205][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.178205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.178205][ T72] [ 5967.179857][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5967.179857][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5967.179857][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5967.179857][ T72] ipv6_find_idev+0x102/0x170 [ 5967.179857][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.179857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.179857][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.179857][ T72] netlink_unicast+0x449/0x710 [ 5967.179857][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.179857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.179857][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.179857][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.179857][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.179857][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.179857][ T72] [ 5967.181784][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5967.182148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5967.182148][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5967.182148][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5967.182148][ T72] fib6_nh_init+0xa22/0x1580 [ 5967.182148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.182148][ T72] ip6_route_add+0x1c/0x140 [ 5967.182148][ T72] inet6_rtm_newroute+0x104/0x110 [ 5967.182148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.182148][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.182148][ T72] netlink_unicast+0x449/0x710 [ 5967.182148][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.182148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.182148][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.182148][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.182148][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.182148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.182148][ T72] [ 5967.184472][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5967.184472][ T72] dst_init+0x84/0x4a0 [ 5967.184472][ T72] dst_alloc+0x97/0x150 [ 5967.184472][ T72] ip6_dst_alloc+0x23/0x90 [ 5967.184472][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5967.184472][ T72] ip6_pol_route+0x56f/0x840 [ 5967.184472][ T72] fib6_rule_lookup+0x456/0x630 [ 5967.184472][ T72] ip6_route_input+0x59c/0xa50 [ 5967.184472][ T72] ipv6_rcv+0x397/0x810 [ 5967.184472][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5967.184472][ T72] process_backlog+0x101/0x620 [ 5967.184472][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5967.184472][ T72] net_rx_action+0x495/0xbe0 [ 5967.184472][ T72] __do_softirq+0x1b5/0x7f6 [ 5967.184472][ T72] [ 5967.186455][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5967.186455][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.186455][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.186455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.186455][ T72] ip6_route_add+0x1c/0x140 [ 5967.186455][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5967.186455][ T72] inet6_addr_add+0x4f8/0xa40 [ 5967.186455][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.186455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.186455][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.186455][ T72] netlink_unicast+0x449/0x710 [ 5967.186455][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.186455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.186455][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.186455][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.186455][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.186455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.186455][ T72] [ 5967.188933][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5967.188933][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.188933][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.188933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.188933][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5967.188933][ T72] ipv6_add_addr+0x411/0x2000 [ 5967.188933][ T72] inet6_addr_add+0x30e/0xa40 [ 5967.188933][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.188933][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.188933][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.188933][ T72] netlink_unicast+0x449/0x710 [ 5967.188933][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.188933][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.188933][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.188933][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.188933][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.188933][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.188933][ T72] [ 5967.191386][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5967.191386][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.191386][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.191386][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.191386][ T72] ip6_route_add+0x1c/0x140 [ 5967.191386][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.191386][ T72] addrconf_add_dev+0xe2/0x170 [ 5967.191386][ T72] inet6_addr_add+0x12f/0xa40 [ 5967.191386][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.191386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.191386][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.191386][ T72] netlink_unicast+0x449/0x710 [ 5967.191386][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.191386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.191386][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.191386][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.191386][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.191386][ T72] [ 5967.194342][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5967.194342][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5967.194342][ T72] ipv6_find_idev+0x102/0x170 [ 5967.194342][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.194342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.194342][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.194342][ T72] netlink_unicast+0x449/0x710 [ 5967.194342][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.194342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.194342][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.194342][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.194342][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.194342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.194342][ T72] [ 5967.196190][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5967.196190][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5967.196190][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5967.196190][ T72] ipv6_find_idev+0x102/0x170 [ 5967.196190][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.196190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.196190][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.196190][ T72] netlink_unicast+0x449/0x710 [ 5967.196190][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.196190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.196190][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.196190][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.196190][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.196190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.196190][ T72] [ 5967.198254][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5967.198565][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5967.198565][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.198565][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.198565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.198565][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5967.198565][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5967.198565][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5967.198565][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5967.198565][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5967.198565][ T72] addrconf_dad_begin+0x310/0x670 [ 5967.198565][ T72] addrconf_dad_work+0x10b/0xab0 [ 5967.198565][ T72] process_one_work+0x84d/0x18a0 [ 5967.198565][ T72] worker_thread+0x587/0xd30 [ 5967.198565][ T72] kthread+0x28a/0x350 [ 5967.198565][ T72] ret_from_fork+0x31/0x70 [ 5967.198565][ T72] ret_from_fork_asm+0x1a/0x30 [ 5967.198565][ T72] [ 5967.200920][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5967.200920][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.200920][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.200920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.200920][ T72] ip6_route_add+0x1c/0x140 [ 5967.200920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5967.200920][ T72] inet6_addr_add+0x4f8/0xa40 [ 5967.200920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.200920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.200920][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.200920][ T72] netlink_unicast+0x449/0x710 [ 5967.200920][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.200920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.200920][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.200920][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.200920][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.200920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.200920][ T72] [ 5967.203390][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5967.203390][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.203390][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.203390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.203390][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5967.203390][ T72] ipv6_add_addr+0x411/0x2000 [ 5967.203390][ T72] inet6_addr_add+0x30e/0xa40 [ 5967.203390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.203390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.203390][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.203390][ T72] netlink_unicast+0x449/0x710 [ 5967.203390][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.203390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.203390][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.203390][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.203390][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.203390][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.203390][ T72] [ 5967.205889][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5967.205889][ T72] netdev_get_by_index+0x5e/0x80 [ 5967.205889][ T72] fib6_nh_init+0x3d8/0x1580 [ 5967.205889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5967.205889][ T72] ip6_route_add+0x1c/0x140 [ 5967.205889][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.205889][ T72] addrconf_add_dev+0xe2/0x170 [ 5967.205889][ T72] inet6_addr_add+0x12f/0xa40 [ 5967.205889][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.205889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.205889][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.205889][ T72] netlink_unicast+0x449/0x710 [ 5967.205889][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.205889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.205889][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.205889][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.205889][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.205889][ T72] [ 5967.208333][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5967.208333][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5967.208333][ T72] ipv6_find_idev+0x102/0x170 [ 5967.208333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.208333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.208333][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.208333][ T72] netlink_unicast+0x449/0x710 [ 5967.208333][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.208333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.208333][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.208333][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.208333][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.208333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.208333][ T72] [ 5967.210136][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5967.210136][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5967.210136][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5967.210136][ T72] ipv6_find_idev+0x102/0x170 [ 5967.210136][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.210136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.210136][ T72] netlink_rcv_skb+0x130/0x360 [ 5967.210136][ T72] netlink_unicast+0x449/0x710 [ 5967.210136][ T72] netlink_sendmsg+0x723/0xbe0 [ 5967.210136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5967.210136][ T72] ___sys_sendmsg+0xee/0x170 [ 5967.210136][ T72] __sys_sendmsg+0xcd/0x170 [ 5967.210136][ T72] do_syscall_64+0xc6/0x1e0 [ 5967.210136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.210136][ T72] [ 5977.448989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5977.449545][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5977.449545][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5977.449545][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5977.449545][ T72] fib6_nh_init+0xa22/0x1580 [ 5977.449545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.449545][ T72] ip6_route_add+0x1c/0x140 [ 5977.449545][ T72] inet6_rtm_newroute+0x104/0x110 [ 5977.449545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.449545][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.449545][ T72] netlink_unicast+0x449/0x710 [ 5977.449545][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.449545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.449545][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.449545][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.449545][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.449545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.449545][ T72] [ 5977.451649][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5977.451649][ T72] dst_init+0x84/0x4a0 [ 5977.451649][ T72] dst_alloc+0x97/0x150 [ 5977.451649][ T72] ip6_dst_alloc+0x23/0x90 [ 5977.451649][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5977.451649][ T72] ip6_pol_route+0x56f/0x840 [ 5977.451649][ T72] fib6_rule_lookup+0x456/0x630 [ 5977.451649][ T72] ip6_route_input+0x59c/0xa50 [ 5977.451649][ T72] ipv6_rcv+0x397/0x810 [ 5977.451649][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5977.451649][ T72] process_backlog+0x101/0x620 [ 5977.451649][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5977.451649][ T72] net_rx_action+0x495/0xbe0 [ 5977.451649][ T72] __do_softirq+0x1b5/0x7f6 [ 5977.451649][ T72] [ 5977.453467][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5977.453467][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.453467][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.453467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.453467][ T72] ip6_route_add+0x1c/0x140 [ 5977.453467][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5977.453467][ T72] inet6_addr_add+0x4f8/0xa40 [ 5977.453467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.453467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.453467][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.453467][ T72] netlink_unicast+0x449/0x710 [ 5977.453467][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.453467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.453467][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.453467][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.453467][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.453467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.453467][ T72] [ 5977.455673][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5977.455673][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.455673][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.455673][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.455673][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5977.455673][ T72] ipv6_add_addr+0x411/0x2000 [ 5977.455673][ T72] inet6_addr_add+0x30e/0xa40 [ 5977.455673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.455673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.455673][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.455673][ T72] netlink_unicast+0x449/0x710 [ 5977.455673][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.455673][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.455673][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.455673][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.455673][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.455673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.455673][ T72] [ 5977.457879][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5977.457879][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.457879][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.457879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.457879][ T72] ip6_route_add+0x1c/0x140 [ 5977.457879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.457879][ T72] addrconf_add_dev+0xe2/0x170 [ 5977.457879][ T72] inet6_addr_add+0x12f/0xa40 [ 5977.457879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.457879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.457879][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.457879][ T72] netlink_unicast+0x449/0x710 [ 5977.457879][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.457879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.457879][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.457879][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.457879][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.457879][ T72] [ 5977.460062][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5977.460062][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5977.460062][ T72] ipv6_find_idev+0x102/0x170 [ 5977.460062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.460062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.460062][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.460062][ T72] netlink_unicast+0x449/0x710 [ 5977.460062][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.460062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.460062][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.460062][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.460062][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.460062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.460062][ T72] [ 5977.461767][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5977.461767][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5977.461767][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5977.461767][ T72] ipv6_find_idev+0x102/0x170 [ 5977.461767][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.461767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.461767][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.461767][ T72] netlink_unicast+0x449/0x710 [ 5977.461767][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.461767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.461767][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.461767][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.461767][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.461767][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.461767][ T72] [ 5977.463628][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5977.463936][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5977.463936][ T72] dst_init+0x84/0x4a0 [ 5977.463936][ T72] dst_alloc+0x97/0x150 [ 5977.463936][ T72] ip6_dst_alloc+0x23/0x90 [ 5977.463936][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5977.463936][ T72] ip6_pol_route+0x56f/0x840 [ 5977.463936][ T72] fib6_rule_lookup+0x456/0x630 [ 5977.463936][ T72] ip6_route_input+0x59c/0xa50 [ 5977.463936][ T72] ipv6_rcv+0x397/0x810 [ 5977.463936][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5977.463936][ T72] process_backlog+0x101/0x620 [ 5977.463936][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5977.463936][ T72] net_rx_action+0x495/0xbe0 [ 5977.463936][ T72] __do_softirq+0x1b5/0x7f6 [ 5977.463936][ T72] [ 5977.465742][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5977.465742][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.465742][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.465742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.465742][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5977.465742][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5977.465742][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5977.465742][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5977.465742][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5977.465742][ T72] addrconf_dad_begin+0x310/0x670 [ 5977.465742][ T72] addrconf_dad_work+0x10b/0xab0 [ 5977.465742][ T72] process_one_work+0x84d/0x18a0 [ 5977.465742][ T72] worker_thread+0x587/0xd30 [ 5977.465742][ T72] kthread+0x28a/0x350 [ 5977.465742][ T72] ret_from_fork+0x31/0x70 [ 5977.465742][ T72] ret_from_fork_asm+0x1a/0x30 [ 5977.465742][ T72] [ 5977.467842][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5977.467842][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.467842][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.467842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.467842][ T72] ip6_route_add+0x1c/0x140 [ 5977.467842][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5977.467842][ T72] inet6_addr_add+0x4f8/0xa40 [ 5977.467842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.467842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.467842][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.467842][ T72] netlink_unicast+0x449/0x710 [ 5977.467842][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.467842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.467842][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.467842][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.467842][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.467842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.467842][ T72] [ 5977.470043][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5977.470043][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.470043][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.470043][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.470043][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5977.470043][ T72] ipv6_add_addr+0x411/0x2000 [ 5977.470043][ T72] inet6_addr_add+0x30e/0xa40 [ 5977.470043][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.470043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.470043][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.470043][ T72] netlink_unicast+0x449/0x710 [ 5977.470043][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.470043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.470043][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.470043][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.470043][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.470043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.470043][ T72] [ 5977.472260][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5977.472260][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.472260][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.472260][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.472260][ T72] ip6_route_add+0x1c/0x140 [ 5977.472260][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.472260][ T72] addrconf_add_dev+0xe2/0x170 [ 5977.472260][ T72] inet6_addr_add+0x12f/0xa40 [ 5977.472260][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.472260][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.472260][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.472260][ T72] netlink_unicast+0x449/0x710 [ 5977.472260][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.472260][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.472260][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.472260][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.472260][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.472260][ T72] [ 5977.474427][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5977.474427][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5977.474427][ T72] ipv6_find_idev+0x102/0x170 [ 5977.474427][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.474427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.474427][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.474427][ T72] netlink_unicast+0x449/0x710 [ 5977.474427][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.474427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.474427][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.474427][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.474427][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.474427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.474427][ T72] [ 5977.476123][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5977.476123][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5977.476123][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5977.476123][ T72] ipv6_find_idev+0x102/0x170 [ 5977.476123][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.476123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.476123][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.476123][ T72] netlink_unicast+0x449/0x710 [ 5977.476123][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.476123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.476123][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.476123][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.476123][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.476123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.476123][ T72] [ 5977.478038][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5977.478387][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5977.478387][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5977.478387][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5977.478387][ T72] fib6_nh_init+0xa22/0x1580 [ 5977.478387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.478387][ T72] ip6_route_add+0x1c/0x140 [ 5977.478387][ T72] inet6_rtm_newroute+0x104/0x110 [ 5977.478387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.478387][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.478387][ T72] netlink_unicast+0x449/0x710 [ 5977.478387][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.478387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.478387][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.478387][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.478387][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.478387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.478387][ T72] [ 5977.480705][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5977.480705][ T72] dst_init+0x84/0x4a0 [ 5977.480705][ T72] dst_alloc+0x97/0x150 [ 5977.480705][ T72] ip6_dst_alloc+0x23/0x90 [ 5977.480705][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5977.480705][ T72] ip6_pol_route+0x56f/0x840 [ 5977.480705][ T72] fib6_rule_lookup+0x456/0x630 [ 5977.480705][ T72] ip6_route_input+0x59c/0xa50 [ 5977.480705][ T72] ipv6_rcv+0x397/0x810 [ 5977.480705][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5977.480705][ T72] process_backlog+0x101/0x620 [ 5977.480705][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5977.480705][ T72] net_rx_action+0x495/0xbe0 [ 5977.480705][ T72] __do_softirq+0x1b5/0x7f6 [ 5977.480705][ T72] [ 5977.482698][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5977.482698][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.482698][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.482698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.482698][ T72] ip6_route_add+0x1c/0x140 [ 5977.482698][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5977.482698][ T72] inet6_addr_add+0x4f8/0xa40 [ 5977.482698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.482698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.482698][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.482698][ T72] netlink_unicast+0x449/0x710 [ 5977.482698][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.482698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.482698][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.482698][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.482698][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.482698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.482698][ T72] [ 5977.485667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5977.485667][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.485667][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.485667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.485667][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5977.485667][ T72] ipv6_add_addr+0x411/0x2000 [ 5977.485667][ T72] inet6_addr_add+0x30e/0xa40 [ 5977.485667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.485667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.485667][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.485667][ T72] netlink_unicast+0x449/0x710 [ 5977.485667][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.485667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.485667][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.485667][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.485667][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.485667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.485667][ T72] [ 5977.518663][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5977.518663][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.518663][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.518663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.518663][ T72] ip6_route_add+0x1c/0x140 [ 5977.518663][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.518663][ T72] addrconf_add_dev+0xe2/0x170 [ 5977.518663][ T72] inet6_addr_add+0x12f/0xa40 [ 5977.518663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.518663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.518663][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.518663][ T72] netlink_unicast+0x449/0x710 [ 5977.518663][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.518663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.518663][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.518663][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.518663][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.518663][ T72] [ 5977.521139][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5977.521139][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5977.521139][ T72] ipv6_find_idev+0x102/0x170 [ 5977.521139][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.521139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.521139][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.521139][ T72] netlink_unicast+0x449/0x710 [ 5977.521139][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.521139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.521139][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.521139][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.521139][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.521139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.521139][ T72] [ 5977.522989][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5977.522989][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5977.522989][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5977.522989][ T72] ipv6_find_idev+0x102/0x170 [ 5977.522989][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.522989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.522989][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.522989][ T72] netlink_unicast+0x449/0x710 [ 5977.522989][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.522989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.522989][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.522989][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.522989][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.522989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.522989][ T72] [ 5977.525042][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5977.525341][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5977.525341][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.525341][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.525341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.525341][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5977.525341][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5977.525341][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5977.525341][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5977.525341][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5977.525341][ T72] addrconf_dad_begin+0x310/0x670 [ 5977.525341][ T72] addrconf_dad_work+0x10b/0xab0 [ 5977.525341][ T72] process_one_work+0x84d/0x18a0 [ 5977.525341][ T72] worker_thread+0x587/0xd30 [ 5977.525341][ T72] kthread+0x28a/0x350 [ 5977.525341][ T72] ret_from_fork+0x31/0x70 [ 5977.525341][ T72] ret_from_fork_asm+0x1a/0x30 [ 5977.525341][ T72] [ 5977.527652][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5977.527652][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.527652][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.527652][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.527652][ T72] ip6_route_add+0x1c/0x140 [ 5977.527652][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5977.527652][ T72] inet6_addr_add+0x4f8/0xa40 [ 5977.527652][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.527652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.527652][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.527652][ T72] netlink_unicast+0x449/0x710 [ 5977.527652][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.527652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.527652][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.527652][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.527652][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.527652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.527652][ T72] [ 5977.530104][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5977.530104][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.530104][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.530104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.530104][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5977.530104][ T72] ipv6_add_addr+0x411/0x2000 [ 5977.530104][ T72] inet6_addr_add+0x30e/0xa40 [ 5977.530104][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.530104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.530104][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.530104][ T72] netlink_unicast+0x449/0x710 [ 5977.530104][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.530104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.530104][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.530104][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.530104][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.530104][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.530104][ T72] [ 5977.532617][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5977.532617][ T72] netdev_get_by_index+0x5e/0x80 [ 5977.532617][ T72] fib6_nh_init+0x3d8/0x1580 [ 5977.532617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5977.532617][ T72] ip6_route_add+0x1c/0x140 [ 5977.532617][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.532617][ T72] addrconf_add_dev+0xe2/0x170 [ 5977.532617][ T72] inet6_addr_add+0x12f/0xa40 [ 5977.532617][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.532617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.532617][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.532617][ T72] netlink_unicast+0x449/0x710 [ 5977.532617][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.532617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.532617][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.532617][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.532617][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.532617][ T72] [ 5977.534960][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5977.534960][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5977.534960][ T72] ipv6_find_idev+0x102/0x170 [ 5977.534960][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.534960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.534960][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.534960][ T72] netlink_unicast+0x449/0x710 [ 5977.534960][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.534960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.534960][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.534960][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.534960][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.534960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.534960][ T72] [ 5977.536828][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5977.536828][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5977.536828][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5977.536828][ T72] ipv6_find_idev+0x102/0x170 [ 5977.536828][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.536828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.536828][ T72] netlink_rcv_skb+0x130/0x360 [ 5977.536828][ T72] netlink_unicast+0x449/0x710 [ 5977.536828][ T72] netlink_sendmsg+0x723/0xbe0 [ 5977.536828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5977.536828][ T72] ___sys_sendmsg+0xee/0x170 [ 5977.536828][ T72] __sys_sendmsg+0xcd/0x170 [ 5977.536828][ T72] do_syscall_64+0xc6/0x1e0 [ 5977.536828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.536828][ T72] [ 5987.776846][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5987.777369][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5987.777369][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5987.777369][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5987.777369][ T72] fib6_nh_init+0xa22/0x1580 [ 5987.777369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.777369][ T72] ip6_route_add+0x1c/0x140 [ 5987.777369][ T72] inet6_rtm_newroute+0x104/0x110 [ 5987.777369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.777369][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.777369][ T72] netlink_unicast+0x449/0x710 [ 5987.777369][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.777369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.777369][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.777369][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.777369][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.777369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.777369][ T72] [ 5987.779456][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5987.779456][ T72] dst_init+0x84/0x4a0 [ 5987.779456][ T72] dst_alloc+0x97/0x150 [ 5987.779456][ T72] ip6_dst_alloc+0x23/0x90 [ 5987.779456][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5987.779456][ T72] ip6_pol_route+0x56f/0x840 [ 5987.779456][ T72] fib6_rule_lookup+0x456/0x630 [ 5987.779456][ T72] ip6_route_input+0x59c/0xa50 [ 5987.779456][ T72] ipv6_rcv+0x397/0x810 [ 5987.779456][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5987.779456][ T72] process_backlog+0x101/0x620 [ 5987.779456][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5987.779456][ T72] net_rx_action+0x495/0xbe0 [ 5987.779456][ T72] __do_softirq+0x1b5/0x7f6 [ 5987.779456][ T72] [ 5987.781287][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5987.781287][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.781287][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.781287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.781287][ T72] ip6_route_add+0x1c/0x140 [ 5987.781287][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5987.781287][ T72] inet6_addr_add+0x4f8/0xa40 [ 5987.781287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.781287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.781287][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.781287][ T72] netlink_unicast+0x449/0x710 [ 5987.781287][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.781287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.781287][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.781287][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.781287][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.781287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.781287][ T72] [ 5987.783295][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5987.783295][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.783295][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.783295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.783295][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5987.783295][ T72] ipv6_add_addr+0x411/0x2000 [ 5987.783295][ T72] inet6_addr_add+0x30e/0xa40 [ 5987.783295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.783295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.783295][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.783295][ T72] netlink_unicast+0x449/0x710 [ 5987.783295][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.783295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.783295][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.783295][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.783295][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.783295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.783295][ T72] [ 5987.785304][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5987.785304][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.785304][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.785304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.785304][ T72] ip6_route_add+0x1c/0x140 [ 5987.785304][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5987.785304][ T72] addrconf_add_dev+0xe2/0x170 [ 5987.785304][ T72] inet6_addr_add+0x12f/0xa40 [ 5987.785304][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.785304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.785304][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.785304][ T72] netlink_unicast+0x449/0x710 [ 5987.785304][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.785304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.785304][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.785304][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.785304][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.785304][ T72] [ 5987.787266][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5987.787266][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5987.787266][ T72] ipv6_find_idev+0x102/0x170 [ 5987.787266][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.787266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.787266][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.787266][ T72] netlink_unicast+0x449/0x710 [ 5987.787266][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.787266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.787266][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.787266][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.787266][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.787266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.787266][ T72] [ 5987.788803][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5987.788803][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5987.788803][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5987.788803][ T72] ipv6_find_idev+0x102/0x170 [ 5987.788803][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.788803][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.788803][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.788803][ T72] netlink_unicast+0x449/0x710 [ 5987.788803][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.788803][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.788803][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.788803][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.788803][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.788803][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.788803][ T72] [ 5987.790510][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5987.790801][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5987.790801][ T72] dst_init+0x84/0x4a0 [ 5987.790801][ T72] dst_alloc+0x97/0x150 [ 5987.790801][ T72] ip6_dst_alloc+0x23/0x90 [ 5987.790801][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5987.790801][ T72] ip6_pol_route+0x56f/0x840 [ 5987.790801][ T72] fib6_rule_lookup+0x456/0x630 [ 5987.790801][ T72] ip6_route_input+0x59c/0xa50 [ 5987.790801][ T72] ipv6_rcv+0x397/0x810 [ 5987.790801][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5987.790801][ T72] process_backlog+0x101/0x620 [ 5987.790801][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5987.790801][ T72] net_rx_action+0x495/0xbe0 [ 5987.790801][ T72] __do_softirq+0x1b5/0x7f6 [ 5987.790801][ T72] [ 5987.792436][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5987.792436][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.792436][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.792436][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.792436][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5987.792436][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5987.792436][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5987.792436][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5987.792436][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5987.792436][ T72] addrconf_dad_begin+0x310/0x670 [ 5987.792436][ T72] addrconf_dad_work+0x10b/0xab0 [ 5987.792436][ T72] process_one_work+0x84d/0x18a0 [ 5987.792436][ T72] worker_thread+0x587/0xd30 [ 5987.792436][ T72] kthread+0x28a/0x350 [ 5987.792436][ T72] ret_from_fork+0x31/0x70 [ 5987.792436][ T72] ret_from_fork_asm+0x1a/0x30 [ 5987.792436][ T72] [ 5987.794351][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5987.794351][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.794351][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.794351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.794351][ T72] ip6_route_add+0x1c/0x140 [ 5987.794351][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5987.794351][ T72] inet6_addr_add+0x4f8/0xa40 [ 5987.794351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.794351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.794351][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.794351][ T72] netlink_unicast+0x449/0x710 [ 5987.794351][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.794351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.794351][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.794351][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.794351][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.794351][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.794351][ T72] [ 5987.796343][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5987.796343][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.796343][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.796343][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.796343][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5987.796343][ T72] ipv6_add_addr+0x411/0x2000 [ 5987.796343][ T72] inet6_addr_add+0x30e/0xa40 [ 5987.796343][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.796343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.796343][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.796343][ T72] netlink_unicast+0x449/0x710 [ 5987.796343][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.796343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.796343][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.796343][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.796343][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.796343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.796343][ T72] [ 5987.798337][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5987.798337][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.798337][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.798337][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.798337][ T72] ip6_route_add+0x1c/0x140 [ 5987.798337][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5987.798337][ T72] addrconf_add_dev+0xe2/0x170 [ 5987.798337][ T72] inet6_addr_add+0x12f/0xa40 [ 5987.798337][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.798337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.798337][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.798337][ T72] netlink_unicast+0x449/0x710 [ 5987.798337][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.798337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.798337][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.798337][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.798337][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.798337][ T72] [ 5987.800290][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5987.800290][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5987.800290][ T72] ipv6_find_idev+0x102/0x170 [ 5987.800290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.800290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.800290][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.800290][ T72] netlink_unicast+0x449/0x710 [ 5987.800290][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.800290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.800290][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.800290][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.800290][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.800290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.800290][ T72] [ 5987.801825][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5987.801825][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5987.801825][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5987.801825][ T72] ipv6_find_idev+0x102/0x170 [ 5987.801825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.801825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.801825][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.801825][ T72] netlink_unicast+0x449/0x710 [ 5987.801825][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.801825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.801825][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.801825][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.801825][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.801825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.801825][ T72] [ 5987.803564][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5987.803897][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5987.803897][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5987.803897][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5987.803897][ T72] fib6_nh_init+0xa22/0x1580 [ 5987.803897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.803897][ T72] ip6_route_add+0x1c/0x140 [ 5987.803897][ T72] inet6_rtm_newroute+0x104/0x110 [ 5987.803897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.803897][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.803897][ T72] netlink_unicast+0x449/0x710 [ 5987.803897][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.803897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.803897][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.803897][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.803897][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.803897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.803897][ T72] [ 5987.806015][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5987.806015][ T72] dst_init+0x84/0x4a0 [ 5987.806015][ T72] dst_alloc+0x97/0x150 [ 5987.806015][ T72] ip6_dst_alloc+0x23/0x90 [ 5987.806015][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5987.806015][ T72] ip6_pol_route+0x56f/0x840 [ 5987.806015][ T72] fib6_rule_lookup+0x456/0x630 [ 5987.806015][ T72] ip6_route_input+0x59c/0xa50 [ 5987.806015][ T72] ipv6_rcv+0x397/0x810 [ 5987.806015][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5987.806015][ T72] process_backlog+0x101/0x620 [ 5987.806015][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5987.806015][ T72] net_rx_action+0x495/0xbe0 [ 5987.806015][ T72] __do_softirq+0x1b5/0x7f6 [ 5987.806015][ T72] [ 5987.807832][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5987.807832][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.807832][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.807832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.807832][ T72] ip6_route_add+0x1c/0x140 [ 5987.807832][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5987.807832][ T72] inet6_addr_add+0x4f8/0xa40 [ 5987.807832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.807832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.807832][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.807832][ T72] netlink_unicast+0x449/0x710 [ 5987.807832][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.807832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.807832][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.807832][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.807832][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.807832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.807832][ T72] [ 5987.810082][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5987.810082][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.810082][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.810082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.810082][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5987.810082][ T72] ipv6_add_addr+0x411/0x2000 [ 5987.810082][ T72] inet6_addr_add+0x30e/0xa40 [ 5987.810082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.810082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.810082][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.810082][ T72] netlink_unicast+0x449/0x710 [ 5987.810082][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.810082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.810082][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.810082][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.810082][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.810082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.810082][ T72] [ 5987.812344][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5987.812344][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.812344][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.812344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.812344][ T72] ip6_route_add+0x1c/0x140 [ 5987.812344][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5987.812344][ T72] addrconf_add_dev+0xe2/0x170 [ 5987.812344][ T72] inet6_addr_add+0x12f/0xa40 [ 5987.812344][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.812344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.812344][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.812344][ T72] netlink_unicast+0x449/0x710 [ 5987.812344][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.812344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.812344][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.812344][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.812344][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.812344][ T72] [ 5987.814612][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5987.814612][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5987.814612][ T72] ipv6_find_idev+0x102/0x170 [ 5987.814612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.814612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.814612][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.814612][ T72] netlink_unicast+0x449/0x710 [ 5987.814612][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.814612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.814612][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.814612][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.814612][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.814612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.814612][ T72] [ 5987.816325][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5987.816325][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5987.816325][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5987.816325][ T72] ipv6_find_idev+0x102/0x170 [ 5987.816325][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.816325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.816325][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.816325][ T72] netlink_unicast+0x449/0x710 [ 5987.816325][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.816325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.816325][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.816325][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.816325][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.816325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.816325][ T72] [ 5987.818175][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5987.818451][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5987.818451][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.818451][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.818451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.818451][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5987.818451][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5987.818451][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5987.818451][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5987.818451][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5987.818451][ T72] addrconf_dad_begin+0x310/0x670 [ 5987.818451][ T72] addrconf_dad_work+0x10b/0xab0 [ 5987.818451][ T72] process_one_work+0x84d/0x18a0 [ 5987.818451][ T72] worker_thread+0x587/0xd30 [ 5987.818451][ T72] kthread+0x28a/0x350 [ 5987.818451][ T72] ret_from_fork+0x31/0x70 [ 5987.818451][ T72] ret_from_fork_asm+0x1a/0x30 [ 5987.818451][ T72] [ 5987.820605][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5987.820605][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.820605][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.820605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.820605][ T72] ip6_route_add+0x1c/0x140 [ 5987.820605][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5987.820605][ T72] inet6_addr_add+0x4f8/0xa40 [ 5987.820605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.820605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.820605][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.820605][ T72] netlink_unicast+0x449/0x710 [ 5987.820605][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.820605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.820605][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.820605][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.820605][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.820605][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.820605][ T72] [ 5987.822898][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5987.822898][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.822898][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.822898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.822898][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5987.822898][ T72] ipv6_add_addr+0x411/0x2000 [ 5987.822898][ T72] inet6_addr_add+0x30e/0xa40 [ 5987.822898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.822898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.822898][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.822898][ T72] netlink_unicast+0x449/0x710 [ 5987.822898][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.822898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.822898][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.822898][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.822898][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.822898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.822898][ T72] [ 5987.825428][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5987.825428][ T72] netdev_get_by_index+0x5e/0x80 [ 5987.825428][ T72] fib6_nh_init+0x3d8/0x1580 [ 5987.825428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5987.825428][ T72] ip6_route_add+0x1c/0x140 [ 5987.825428][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5987.825428][ T72] addrconf_add_dev+0xe2/0x170 [ 5987.825428][ T72] inet6_addr_add+0x12f/0xa40 [ 5987.825428][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.825428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.825428][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.825428][ T72] netlink_unicast+0x449/0x710 [ 5987.825428][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.825428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.825428][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.825428][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.825428][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.825428][ T72] [ 5987.827792][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5987.827792][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5987.827792][ T72] ipv6_find_idev+0x102/0x170 [ 5987.827792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.827792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.827792][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.827792][ T72] netlink_unicast+0x449/0x710 [ 5987.827792][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.827792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.827792][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.827792][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.827792][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.827792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.827792][ T72] [ 5987.829691][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5987.829691][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5987.829691][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5987.829691][ T72] ipv6_find_idev+0x102/0x170 [ 5987.829691][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.829691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.829691][ T72] netlink_rcv_skb+0x130/0x360 [ 5987.829691][ T72] netlink_unicast+0x449/0x710 [ 5987.829691][ T72] netlink_sendmsg+0x723/0xbe0 [ 5987.829691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5987.829691][ T72] ___sys_sendmsg+0xee/0x170 [ 5987.829691][ T72] __sys_sendmsg+0xcd/0x170 [ 5987.829691][ T72] do_syscall_64+0xc6/0x1e0 [ 5987.829691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.829691][ T72] [ 5998.072977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 5998.073509][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5998.073509][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5998.073509][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5998.073509][ T72] fib6_nh_init+0xa22/0x1580 [ 5998.073509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.073509][ T72] ip6_route_add+0x1c/0x140 [ 5998.073509][ T72] inet6_rtm_newroute+0x104/0x110 [ 5998.073509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.073509][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.073509][ T72] netlink_unicast+0x449/0x710 [ 5998.073509][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.073509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.073509][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.073509][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.073509][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.073509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.073509][ T72] [ 5998.075796][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 5998.075796][ T72] dst_init+0x84/0x4a0 [ 5998.075796][ T72] dst_alloc+0x97/0x150 [ 5998.075796][ T72] ip6_dst_alloc+0x23/0x90 [ 5998.075796][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5998.075796][ T72] ip6_pol_route+0x56f/0x840 [ 5998.075796][ T72] fib6_rule_lookup+0x456/0x630 [ 5998.075796][ T72] ip6_route_input+0x59c/0xa50 [ 5998.075796][ T72] ipv6_rcv+0x397/0x810 [ 5998.075796][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5998.075796][ T72] process_backlog+0x101/0x620 [ 5998.075796][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5998.075796][ T72] net_rx_action+0x495/0xbe0 [ 5998.075796][ T72] __do_softirq+0x1b5/0x7f6 [ 5998.075796][ T72] [ 5998.077779][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5998.077779][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.077779][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.077779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.077779][ T72] ip6_route_add+0x1c/0x140 [ 5998.077779][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5998.077779][ T72] inet6_addr_add+0x4f8/0xa40 [ 5998.077779][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.077779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.077779][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.077779][ T72] netlink_unicast+0x449/0x710 [ 5998.077779][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.077779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.077779][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.077779][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.077779][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.077779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.077779][ T72] [ 5998.080241][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5998.080241][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.080241][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.080241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.080241][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5998.080241][ T72] ipv6_add_addr+0x411/0x2000 [ 5998.080241][ T72] inet6_addr_add+0x30e/0xa40 [ 5998.080241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.080241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.080241][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.080241][ T72] netlink_unicast+0x449/0x710 [ 5998.080241][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.080241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.080241][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.080241][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.080241][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.080241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.080241][ T72] [ 5998.082700][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5998.082700][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.082700][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.082700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.082700][ T72] ip6_route_add+0x1c/0x140 [ 5998.082700][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.082700][ T72] addrconf_add_dev+0xe2/0x170 [ 5998.082700][ T72] inet6_addr_add+0x12f/0xa40 [ 5998.082700][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.082700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.082700][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.082700][ T72] netlink_unicast+0x449/0x710 [ 5998.082700][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.082700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.082700][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.082700][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.082700][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.082700][ T72] [ 5998.085113][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5998.085113][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5998.085113][ T72] ipv6_find_idev+0x102/0x170 [ 5998.085113][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.085113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.085113][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.085113][ T72] netlink_unicast+0x449/0x710 [ 5998.085113][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.085113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.085113][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.085113][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.085113][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.085113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.085113][ T72] [ 5998.086989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 5998.086989][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5998.086989][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5998.086989][ T72] ipv6_find_idev+0x102/0x170 [ 5998.086989][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.086989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.086989][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.086989][ T72] netlink_unicast+0x449/0x710 [ 5998.086989][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.086989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.086989][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.086989][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.086989][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.086989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.086989][ T72] [ 5998.089077][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 5998.089404][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5998.089404][ T72] dst_init+0x84/0x4a0 [ 5998.089404][ T72] dst_alloc+0x97/0x150 [ 5998.089404][ T72] ip6_dst_alloc+0x23/0x90 [ 5998.089404][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5998.089404][ T72] ip6_pol_route+0x56f/0x840 [ 5998.089404][ T72] fib6_rule_lookup+0x456/0x630 [ 5998.089404][ T72] ip6_route_input+0x59c/0xa50 [ 5998.089404][ T72] ipv6_rcv+0x397/0x810 [ 5998.089404][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5998.089404][ T72] process_backlog+0x101/0x620 [ 5998.089404][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5998.089404][ T72] net_rx_action+0x495/0xbe0 [ 5998.089404][ T72] __do_softirq+0x1b5/0x7f6 [ 5998.089404][ T72] [ 5998.091408][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5998.091408][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.091408][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.091408][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.091408][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5998.091408][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5998.091408][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5998.091408][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5998.091408][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5998.091408][ T72] addrconf_dad_begin+0x310/0x670 [ 5998.091408][ T72] addrconf_dad_work+0x10b/0xab0 [ 5998.091408][ T72] process_one_work+0x84d/0x18a0 [ 5998.091408][ T72] worker_thread+0x587/0xd30 [ 5998.091408][ T72] kthread+0x28a/0x350 [ 5998.091408][ T72] ret_from_fork+0x31/0x70 [ 5998.091408][ T72] ret_from_fork_asm+0x1a/0x30 [ 5998.091408][ T72] [ 5998.093733][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5998.093733][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.093733][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.093733][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.093733][ T72] ip6_route_add+0x1c/0x140 [ 5998.093733][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5998.093733][ T72] inet6_addr_add+0x4f8/0xa40 [ 5998.093733][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.093733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.093733][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.093733][ T72] netlink_unicast+0x449/0x710 [ 5998.093733][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.093733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.093733][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.093733][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.093733][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.093733][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.093733][ T72] [ 5998.096143][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5998.096143][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.096143][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.096143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.096143][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5998.096143][ T72] ipv6_add_addr+0x411/0x2000 [ 5998.096143][ T72] inet6_addr_add+0x30e/0xa40 [ 5998.096143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.096143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.096143][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.096143][ T72] netlink_unicast+0x449/0x710 [ 5998.096143][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.096143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.096143][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.096143][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.096143][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.096143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.096143][ T72] [ 5998.098562][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5998.098562][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.098562][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.098562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.098562][ T72] ip6_route_add+0x1c/0x140 [ 5998.098562][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.098562][ T72] addrconf_add_dev+0xe2/0x170 [ 5998.098562][ T72] inet6_addr_add+0x12f/0xa40 [ 5998.098562][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.098562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.098562][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.098562][ T72] netlink_unicast+0x449/0x710 [ 5998.098562][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.098562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.098562][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.098562][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.098562][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.098562][ T72] [ 5998.100950][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5998.100950][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5998.100950][ T72] ipv6_find_idev+0x102/0x170 [ 5998.100950][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.100950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.100950][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.100950][ T72] netlink_unicast+0x449/0x710 [ 5998.100950][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.100950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.100950][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.100950][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.100950][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.100950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.100950][ T72] [ 5998.102812][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 5998.102812][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5998.102812][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5998.102812][ T72] ipv6_find_idev+0x102/0x170 [ 5998.102812][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.102812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.102812][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.102812][ T72] netlink_unicast+0x449/0x710 [ 5998.102812][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.102812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.102812][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.102812][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.102812][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.102812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.102812][ T72] [ 5998.104985][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 5998.105323][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5998.105323][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 5998.105323][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 5998.105323][ T72] fib6_nh_init+0xa22/0x1580 [ 5998.105323][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.105323][ T72] ip6_route_add+0x1c/0x140 [ 5998.105323][ T72] inet6_rtm_newroute+0x104/0x110 [ 5998.105323][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.105323][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.105323][ T72] netlink_unicast+0x449/0x710 [ 5998.105323][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.105323][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.105323][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.105323][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.105323][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.105323][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.105323][ T72] [ 5998.107902][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5998.107902][ T72] dst_init+0x84/0x4a0 [ 5998.107902][ T72] dst_alloc+0x97/0x150 [ 5998.107902][ T72] ip6_dst_alloc+0x23/0x90 [ 5998.107902][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5998.107902][ T72] ip6_pol_route+0x56f/0x840 [ 5998.107902][ T72] fib6_rule_lookup+0x456/0x630 [ 5998.107902][ T72] ip6_route_input+0x59c/0xa50 [ 5998.107902][ T72] ipv6_rcv+0x397/0x810 [ 5998.107902][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 5998.107902][ T72] process_backlog+0x101/0x620 [ 5998.107902][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 5998.107902][ T72] net_rx_action+0x495/0xbe0 [ 5998.107902][ T72] __do_softirq+0x1b5/0x7f6 [ 5998.107902][ T72] [ 5998.110060][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5998.110060][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.110060][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.110060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.110060][ T72] ip6_route_add+0x1c/0x140 [ 5998.110060][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5998.110060][ T72] inet6_addr_add+0x4f8/0xa40 [ 5998.110060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.110060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.110060][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.110060][ T72] netlink_unicast+0x449/0x710 [ 5998.110060][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.110060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.110060][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.110060][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.110060][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.110060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.110060][ T72] [ 5998.112707][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5998.112707][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.112707][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.112707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.112707][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5998.112707][ T72] ipv6_add_addr+0x411/0x2000 [ 5998.112707][ T72] inet6_addr_add+0x30e/0xa40 [ 5998.112707][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.112707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.112707][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.112707][ T72] netlink_unicast+0x449/0x710 [ 5998.112707][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.112707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.112707][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.112707][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.112707][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.112707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.112707][ T72] [ 5998.115374][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5998.115374][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.115374][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.115374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.115374][ T72] ip6_route_add+0x1c/0x140 [ 5998.115374][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.115374][ T72] addrconf_add_dev+0xe2/0x170 [ 5998.115374][ T72] inet6_addr_add+0x12f/0xa40 [ 5998.115374][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.115374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.115374][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.115374][ T72] netlink_unicast+0x449/0x710 [ 5998.115374][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.115374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.115374][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.115374][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.115374][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.115374][ T72] [ 5998.118071][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5998.118071][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5998.118071][ T72] ipv6_find_idev+0x102/0x170 [ 5998.118071][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.118071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.118071][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.118071][ T72] netlink_unicast+0x449/0x710 [ 5998.118071][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.118071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.118071][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.118071][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.118071][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.118071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.118071][ T72] [ 5998.120117][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 5998.120117][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5998.120117][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5998.120117][ T72] ipv6_find_idev+0x102/0x170 [ 5998.120117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.120117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.120117][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.120117][ T72] netlink_unicast+0x449/0x710 [ 5998.120117][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.120117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.120117][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.120117][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.120117][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.120117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.120117][ T72] [ 5998.122359][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 5998.122747][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5998.122747][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.122747][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.122747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.122747][ T72] addrconf_f6i_alloc+0x265/0x560 [ 5998.122747][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5998.122747][ T72] addrconf_join_anycast+0x1c0/0x220 [ 5998.122747][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5998.122747][ T72] addrconf_dad_completed+0x12b/0xe20 [ 5998.122747][ T72] addrconf_dad_begin+0x310/0x670 [ 5998.122747][ T72] addrconf_dad_work+0x10b/0xab0 [ 5998.122747][ T72] process_one_work+0x84d/0x18a0 [ 5998.122747][ T72] worker_thread+0x587/0xd30 [ 5998.122747][ T72] kthread+0x28a/0x350 [ 5998.122747][ T72] ret_from_fork+0x31/0x70 [ 5998.122747][ T72] ret_from_fork_asm+0x1a/0x30 [ 5998.122747][ T72] [ 5998.125250][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5998.125250][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.125250][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.125250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.125250][ T72] ip6_route_add+0x1c/0x140 [ 5998.125250][ T72] addrconf_prefix_route+0x2a6/0x430 [ 5998.125250][ T72] inet6_addr_add+0x4f8/0xa40 [ 5998.125250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.125250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.125250][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.125250][ T72] netlink_unicast+0x449/0x710 [ 5998.125250][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.125250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.125250][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.125250][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.125250][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.125250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.125250][ T72] [ 5998.127910][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5998.127910][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.127910][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.127910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.127910][ T72] addrconf_f6i_alloc+0x315/0x560 [ 5998.127910][ T72] ipv6_add_addr+0x411/0x2000 [ 5998.127910][ T72] inet6_addr_add+0x30e/0xa40 [ 5998.127910][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.127910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.127910][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.127910][ T72] netlink_unicast+0x449/0x710 [ 5998.127910][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.127910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.127910][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.127910][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.127910][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.127910][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.127910][ T72] [ 5998.130649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5998.130649][ T72] netdev_get_by_index+0x5e/0x80 [ 5998.130649][ T72] fib6_nh_init+0x3d8/0x1580 [ 5998.130649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 5998.130649][ T72] ip6_route_add+0x1c/0x140 [ 5998.130649][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.130649][ T72] addrconf_add_dev+0xe2/0x170 [ 5998.130649][ T72] inet6_addr_add+0x12f/0xa40 [ 5998.130649][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.130649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.130649][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.130649][ T72] netlink_unicast+0x449/0x710 [ 5998.130649][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.130649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.130649][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.130649][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.130649][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.130649][ T72] [ 5998.133279][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5998.133279][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 5998.133279][ T72] ipv6_find_idev+0x102/0x170 [ 5998.133279][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.133279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.133279][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.133279][ T72] netlink_unicast+0x449/0x710 [ 5998.133279][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.133279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.133279][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.133279][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.133279][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.133279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.133279][ T72] [ 5998.135324][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 5998.135324][ T72] neigh_parms_alloc+0x1e5/0x510 [ 5998.135324][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 5998.135324][ T72] ipv6_find_idev+0x102/0x170 [ 5998.135324][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.135324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.135324][ T72] netlink_rcv_skb+0x130/0x360 [ 5998.135324][ T72] netlink_unicast+0x449/0x710 [ 5998.135324][ T72] netlink_sendmsg+0x723/0xbe0 [ 5998.135324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 5998.135324][ T72] ___sys_sendmsg+0xee/0x170 [ 5998.135324][ T72] __sys_sendmsg+0xcd/0x170 [ 5998.135324][ T72] do_syscall_64+0xc6/0x1e0 [ 5998.135324][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.135324][ T72] [ 6008.376933][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6008.377373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6008.377373][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6008.377373][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6008.377373][ T72] fib6_nh_init+0xa22/0x1580 [ 6008.377373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.377373][ T72] ip6_route_add+0x1c/0x140 [ 6008.377373][ T72] inet6_rtm_newroute+0x104/0x110 [ 6008.377373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.377373][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.377373][ T72] netlink_unicast+0x449/0x710 [ 6008.377373][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.377373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.377373][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.377373][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.377373][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.377373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.377373][ T72] [ 6008.379469][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6008.379469][ T72] dst_init+0x84/0x4a0 [ 6008.379469][ T72] dst_alloc+0x97/0x150 [ 6008.379469][ T72] ip6_dst_alloc+0x23/0x90 [ 6008.379469][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6008.379469][ T72] ip6_pol_route+0x56f/0x840 [ 6008.379469][ T72] fib6_rule_lookup+0x456/0x630 [ 6008.379469][ T72] ip6_route_input+0x59c/0xa50 [ 6008.379469][ T72] ipv6_rcv+0x397/0x810 [ 6008.379469][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6008.379469][ T72] process_backlog+0x101/0x620 [ 6008.379469][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6008.379469][ T72] net_rx_action+0x495/0xbe0 [ 6008.379469][ T72] __do_softirq+0x1b5/0x7f6 [ 6008.379469][ T72] [ 6008.381299][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6008.381299][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.381299][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.381299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.381299][ T72] ip6_route_add+0x1c/0x140 [ 6008.381299][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6008.381299][ T72] inet6_addr_add+0x4f8/0xa40 [ 6008.381299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.381299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.381299][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.381299][ T72] netlink_unicast+0x449/0x710 [ 6008.381299][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.381299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.381299][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.381299][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.381299][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.381299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.381299][ T72] [ 6008.383505][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6008.383505][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.383505][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.383505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.383505][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6008.383505][ T72] ipv6_add_addr+0x411/0x2000 [ 6008.383505][ T72] inet6_addr_add+0x30e/0xa40 [ 6008.383505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.383505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.383505][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.383505][ T72] netlink_unicast+0x449/0x710 [ 6008.383505][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.383505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.383505][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.383505][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.383505][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.383505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.383505][ T72] [ 6008.385720][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6008.385720][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.385720][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.385720][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.385720][ T72] ip6_route_add+0x1c/0x140 [ 6008.385720][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.385720][ T72] addrconf_add_dev+0xe2/0x170 [ 6008.385720][ T72] inet6_addr_add+0x12f/0xa40 [ 6008.385720][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.385720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.385720][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.385720][ T72] netlink_unicast+0x449/0x710 [ 6008.385720][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.385720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.385720][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.385720][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.385720][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.385720][ T72] [ 6008.387951][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6008.387951][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6008.387951][ T72] ipv6_find_idev+0x102/0x170 [ 6008.387951][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.387951][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.387951][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.387951][ T72] netlink_unicast+0x449/0x710 [ 6008.387951][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.387951][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.387951][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.387951][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.387951][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.387951][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.387951][ T72] [ 6008.389643][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6008.389643][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6008.389643][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6008.389643][ T72] ipv6_find_idev+0x102/0x170 [ 6008.389643][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.389643][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.389643][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.389643][ T72] netlink_unicast+0x449/0x710 [ 6008.389643][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.389643][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.389643][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.389643][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.389643][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.389643][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.389643][ T72] [ 6008.391525][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6008.391841][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6008.391841][ T72] dst_init+0x84/0x4a0 [ 6008.391841][ T72] dst_alloc+0x97/0x150 [ 6008.391841][ T72] ip6_dst_alloc+0x23/0x90 [ 6008.391841][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6008.391841][ T72] ip6_pol_route+0x56f/0x840 [ 6008.391841][ T72] fib6_rule_lookup+0x456/0x630 [ 6008.391841][ T72] ip6_route_input+0x59c/0xa50 [ 6008.391841][ T72] ipv6_rcv+0x397/0x810 [ 6008.391841][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6008.391841][ T72] process_backlog+0x101/0x620 [ 6008.391841][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6008.391841][ T72] net_rx_action+0x495/0xbe0 [ 6008.391841][ T72] __do_softirq+0x1b5/0x7f6 [ 6008.391841][ T72] [ 6008.393650][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6008.393650][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.393650][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.393650][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.393650][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6008.393650][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6008.393650][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6008.393650][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6008.393650][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6008.393650][ T72] addrconf_dad_begin+0x310/0x670 [ 6008.393650][ T72] addrconf_dad_work+0x10b/0xab0 [ 6008.393650][ T72] process_one_work+0x84d/0x18a0 [ 6008.393650][ T72] worker_thread+0x587/0xd30 [ 6008.393650][ T72] kthread+0x28a/0x350 [ 6008.393650][ T72] ret_from_fork+0x31/0x70 [ 6008.393650][ T72] ret_from_fork_asm+0x1a/0x30 [ 6008.393650][ T72] [ 6008.395750][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6008.395750][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.395750][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.395750][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.395750][ T72] ip6_route_add+0x1c/0x140 [ 6008.395750][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6008.395750][ T72] inet6_addr_add+0x4f8/0xa40 [ 6008.395750][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.395750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.395750][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.395750][ T72] netlink_unicast+0x449/0x710 [ 6008.395750][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.395750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.395750][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.395750][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.395750][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.395750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.395750][ T72] [ 6008.397957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6008.397957][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.397957][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.397957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.397957][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6008.397957][ T72] ipv6_add_addr+0x411/0x2000 [ 6008.397957][ T72] inet6_addr_add+0x30e/0xa40 [ 6008.397957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.397957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.397957][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.397957][ T72] netlink_unicast+0x449/0x710 [ 6008.397957][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.397957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.397957][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.397957][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.397957][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.397957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.397957][ T72] [ 6008.400155][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6008.400155][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.400155][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.400155][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.400155][ T72] ip6_route_add+0x1c/0x140 [ 6008.400155][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.400155][ T72] addrconf_add_dev+0xe2/0x170 [ 6008.400155][ T72] inet6_addr_add+0x12f/0xa40 [ 6008.400155][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.400155][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.400155][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.400155][ T72] netlink_unicast+0x449/0x710 [ 6008.400155][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.400155][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.400155][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.400155][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.400155][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.400155][ T72] [ 6008.402328][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6008.402328][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6008.402328][ T72] ipv6_find_idev+0x102/0x170 [ 6008.402328][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.402328][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.402328][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.402328][ T72] netlink_unicast+0x449/0x710 [ 6008.402328][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.402328][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.402328][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.402328][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.402328][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.402328][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.402328][ T72] [ 6008.404024][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6008.404024][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6008.404024][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6008.404024][ T72] ipv6_find_idev+0x102/0x170 [ 6008.404024][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.404024][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.404024][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.404024][ T72] netlink_unicast+0x449/0x710 [ 6008.404024][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.404024][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.404024][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.404024][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.404024][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.404024][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.404024][ T72] [ 6008.405942][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6008.406302][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6008.406302][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6008.406302][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6008.406302][ T72] fib6_nh_init+0xa22/0x1580 [ 6008.406302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.406302][ T72] ip6_route_add+0x1c/0x140 [ 6008.406302][ T72] inet6_rtm_newroute+0x104/0x110 [ 6008.406302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.406302][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.406302][ T72] netlink_unicast+0x449/0x710 [ 6008.406302][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.406302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.406302][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.406302][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.406302][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.406302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.406302][ T72] [ 6008.408539][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6008.408539][ T72] dst_init+0x84/0x4a0 [ 6008.408539][ T72] dst_alloc+0x97/0x150 [ 6008.408539][ T72] ip6_dst_alloc+0x23/0x90 [ 6008.408539][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6008.408539][ T72] ip6_pol_route+0x56f/0x840 [ 6008.408539][ T72] fib6_rule_lookup+0x456/0x630 [ 6008.408539][ T72] ip6_route_input+0x59c/0xa50 [ 6008.408539][ T72] ipv6_rcv+0x397/0x810 [ 6008.408539][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6008.408539][ T72] process_backlog+0x101/0x620 [ 6008.408539][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6008.408539][ T72] net_rx_action+0x495/0xbe0 [ 6008.408539][ T72] __do_softirq+0x1b5/0x7f6 [ 6008.408539][ T72] [ 6008.410524][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6008.410524][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.410524][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.410524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.410524][ T72] ip6_route_add+0x1c/0x140 [ 6008.410524][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6008.410524][ T72] inet6_addr_add+0x4f8/0xa40 [ 6008.410524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.410524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.410524][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.410524][ T72] netlink_unicast+0x449/0x710 [ 6008.410524][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.410524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.410524][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.410524][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.410524][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.410524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.410524][ T72] [ 6008.412969][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6008.412969][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.412969][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.412969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.412969][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6008.412969][ T72] ipv6_add_addr+0x411/0x2000 [ 6008.412969][ T72] inet6_addr_add+0x30e/0xa40 [ 6008.412969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.412969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.412969][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.412969][ T72] netlink_unicast+0x449/0x710 [ 6008.412969][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.412969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.412969][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.412969][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.412969][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.412969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.412969][ T72] [ 6008.415421][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6008.415421][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.415421][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.415421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.415421][ T72] ip6_route_add+0x1c/0x140 [ 6008.415421][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.415421][ T72] addrconf_add_dev+0xe2/0x170 [ 6008.415421][ T72] inet6_addr_add+0x12f/0xa40 [ 6008.415421][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.415421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.415421][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.415421][ T72] netlink_unicast+0x449/0x710 [ 6008.415421][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.415421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.415421][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.415421][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.415421][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.415421][ T72] [ 6008.417891][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6008.417891][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6008.417891][ T72] ipv6_find_idev+0x102/0x170 [ 6008.417891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.417891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.417891][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.417891][ T72] netlink_unicast+0x449/0x710 [ 6008.417891][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.417891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.417891][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.417891][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.417891][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.417891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.417891][ T72] [ 6008.419763][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6008.419763][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6008.419763][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6008.419763][ T72] ipv6_find_idev+0x102/0x170 [ 6008.419763][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.419763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.419763][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.419763][ T72] netlink_unicast+0x449/0x710 [ 6008.419763][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.419763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.419763][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.419763][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.419763][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.419763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.419763][ T72] [ 6008.421817][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6008.422113][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6008.422113][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.422113][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.422113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.422113][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6008.422113][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6008.422113][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6008.422113][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6008.422113][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6008.422113][ T72] addrconf_dad_begin+0x310/0x670 [ 6008.422113][ T72] addrconf_dad_work+0x10b/0xab0 [ 6008.422113][ T72] process_one_work+0x84d/0x18a0 [ 6008.422113][ T72] worker_thread+0x587/0xd30 [ 6008.422113][ T72] kthread+0x28a/0x350 [ 6008.422113][ T72] ret_from_fork+0x31/0x70 [ 6008.422113][ T72] ret_from_fork_asm+0x1a/0x30 [ 6008.422113][ T72] [ 6008.424991][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6008.424991][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.424991][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.424991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.424991][ T72] ip6_route_add+0x1c/0x140 [ 6008.424991][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6008.424991][ T72] inet6_addr_add+0x4f8/0xa40 [ 6008.424991][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.424991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.424991][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.424991][ T72] netlink_unicast+0x449/0x710 [ 6008.424991][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.424991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.424991][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.424991][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.424991][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.424991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.424991][ T72] [ 6008.427448][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6008.427448][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.427448][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.427448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.427448][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6008.427448][ T72] ipv6_add_addr+0x411/0x2000 [ 6008.427448][ T72] inet6_addr_add+0x30e/0xa40 [ 6008.427448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.427448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.427448][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.427448][ T72] netlink_unicast+0x449/0x710 [ 6008.427448][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.427448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.427448][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.427448][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.427448][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.427448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.427448][ T72] [ 6008.429957][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6008.429957][ T72] netdev_get_by_index+0x5e/0x80 [ 6008.429957][ T72] fib6_nh_init+0x3d8/0x1580 [ 6008.429957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6008.429957][ T72] ip6_route_add+0x1c/0x140 [ 6008.429957][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.429957][ T72] addrconf_add_dev+0xe2/0x170 [ 6008.429957][ T72] inet6_addr_add+0x12f/0xa40 [ 6008.429957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.429957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.429957][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.429957][ T72] netlink_unicast+0x449/0x710 [ 6008.429957][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.429957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.429957][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.429957][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.429957][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.429957][ T72] [ 6008.432402][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6008.432402][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6008.432402][ T72] ipv6_find_idev+0x102/0x170 [ 6008.432402][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.432402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.432402][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.432402][ T72] netlink_unicast+0x449/0x710 [ 6008.432402][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.432402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.432402][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.432402][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.432402][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.432402][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.432402][ T72] [ 6008.434219][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6008.434219][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6008.434219][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6008.434219][ T72] ipv6_find_idev+0x102/0x170 [ 6008.434219][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.434219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.434219][ T72] netlink_rcv_skb+0x130/0x360 [ 6008.434219][ T72] netlink_unicast+0x449/0x710 [ 6008.434219][ T72] netlink_sendmsg+0x723/0xbe0 [ 6008.434219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6008.434219][ T72] ___sys_sendmsg+0xee/0x170 [ 6008.434219][ T72] __sys_sendmsg+0xcd/0x170 [ 6008.434219][ T72] do_syscall_64+0xc6/0x1e0 [ 6008.434219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.434219][ T72] [ 6018.496995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6018.497672][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6018.497672][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6018.497672][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6018.497672][ T72] fib6_nh_init+0xa22/0x1580 [ 6018.497672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.497672][ T72] ip6_route_add+0x1c/0x140 [ 6018.497672][ T72] inet6_rtm_newroute+0x104/0x110 [ 6018.497672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.497672][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.497672][ T72] netlink_unicast+0x449/0x710 [ 6018.497672][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.497672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.497672][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.497672][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.497672][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.497672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.497672][ T72] [ 6018.499775][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6018.499775][ T72] dst_init+0x84/0x4a0 [ 6018.499775][ T72] dst_alloc+0x97/0x150 [ 6018.499775][ T72] ip6_dst_alloc+0x23/0x90 [ 6018.499775][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6018.499775][ T72] ip6_pol_route+0x56f/0x840 [ 6018.499775][ T72] fib6_rule_lookup+0x456/0x630 [ 6018.499775][ T72] ip6_route_input+0x59c/0xa50 [ 6018.499775][ T72] ipv6_rcv+0x397/0x810 [ 6018.499775][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6018.499775][ T72] process_backlog+0x101/0x620 [ 6018.499775][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6018.499775][ T72] net_rx_action+0x495/0xbe0 [ 6018.499775][ T72] __do_softirq+0x1b5/0x7f6 [ 6018.499775][ T72] [ 6018.501610][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6018.501610][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.501610][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.501610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.501610][ T72] ip6_route_add+0x1c/0x140 [ 6018.501610][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6018.501610][ T72] inet6_addr_add+0x4f8/0xa40 [ 6018.501610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.501610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.501610][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.501610][ T72] netlink_unicast+0x449/0x710 [ 6018.501610][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.501610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.501610][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.501610][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.501610][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.501610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.501610][ T72] [ 6018.503826][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6018.503826][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.503826][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.503826][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.503826][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6018.503826][ T72] ipv6_add_addr+0x411/0x2000 [ 6018.503826][ T72] inet6_addr_add+0x30e/0xa40 [ 6018.503826][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.503826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.503826][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.503826][ T72] netlink_unicast+0x449/0x710 [ 6018.503826][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.503826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.503826][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.503826][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.503826][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.503826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.503826][ T72] [ 6018.506056][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6018.506056][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.506056][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.506056][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.506056][ T72] ip6_route_add+0x1c/0x140 [ 6018.506056][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6018.506056][ T72] addrconf_add_dev+0xe2/0x170 [ 6018.506056][ T72] inet6_addr_add+0x12f/0xa40 [ 6018.506056][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.506056][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.506056][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.506056][ T72] netlink_unicast+0x449/0x710 [ 6018.506056][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.506056][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.506056][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.506056][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.506056][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.506056][ T72] [ 6018.508225][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6018.508225][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6018.508225][ T72] ipv6_find_idev+0x102/0x170 [ 6018.508225][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.508225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.508225][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.508225][ T72] netlink_unicast+0x449/0x710 [ 6018.508225][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.508225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.508225][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.508225][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.508225][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.508225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.508225][ T72] [ 6018.509925][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6018.509925][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6018.509925][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6018.509925][ T72] ipv6_find_idev+0x102/0x170 [ 6018.509925][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.509925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.509925][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.509925][ T72] netlink_unicast+0x449/0x710 [ 6018.509925][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.509925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.509925][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.509925][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.509925][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.509925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.509925][ T72] [ 6018.511824][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6018.512117][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6018.512117][ T72] dst_init+0x84/0x4a0 [ 6018.512117][ T72] dst_alloc+0x97/0x150 [ 6018.512117][ T72] ip6_dst_alloc+0x23/0x90 [ 6018.512117][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6018.512117][ T72] ip6_pol_route+0x56f/0x840 [ 6018.512117][ T72] fib6_rule_lookup+0x456/0x630 [ 6018.512117][ T72] ip6_route_input+0x59c/0xa50 [ 6018.512117][ T72] ipv6_rcv+0x397/0x810 [ 6018.512117][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6018.512117][ T72] process_backlog+0x101/0x620 [ 6018.512117][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6018.512117][ T72] net_rx_action+0x495/0xbe0 [ 6018.512117][ T72] __do_softirq+0x1b5/0x7f6 [ 6018.512117][ T72] [ 6018.513929][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6018.513929][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.513929][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.513929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.513929][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6018.513929][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6018.513929][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6018.513929][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6018.513929][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6018.513929][ T72] addrconf_dad_begin+0x310/0x670 [ 6018.513929][ T72] addrconf_dad_work+0x10b/0xab0 [ 6018.513929][ T72] process_one_work+0x84d/0x18a0 [ 6018.513929][ T72] worker_thread+0x587/0xd30 [ 6018.513929][ T72] kthread+0x28a/0x350 [ 6018.513929][ T72] ret_from_fork+0x31/0x70 [ 6018.513929][ T72] ret_from_fork_asm+0x1a/0x30 [ 6018.513929][ T72] [ 6018.516057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6018.516057][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.516057][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.516057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.516057][ T72] ip6_route_add+0x1c/0x140 [ 6018.516057][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6018.516057][ T72] inet6_addr_add+0x4f8/0xa40 [ 6018.516057][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.516057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.516057][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.516057][ T72] netlink_unicast+0x449/0x710 [ 6018.516057][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.516057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.516057][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.516057][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.516057][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.516057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.516057][ T72] [ 6018.518285][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6018.518285][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.518285][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.518285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.518285][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6018.518285][ T72] ipv6_add_addr+0x411/0x2000 [ 6018.518285][ T72] inet6_addr_add+0x30e/0xa40 [ 6018.518285][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.518285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.518285][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.518285][ T72] netlink_unicast+0x449/0x710 [ 6018.518285][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.518285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.518285][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.518285][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.518285][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.518285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.518285][ T72] [ 6018.520496][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6018.520496][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.520496][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.520496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.520496][ T72] ip6_route_add+0x1c/0x140 [ 6018.520496][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6018.520496][ T72] addrconf_add_dev+0xe2/0x170 [ 6018.520496][ T72] inet6_addr_add+0x12f/0xa40 [ 6018.520496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.520496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.520496][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.520496][ T72] netlink_unicast+0x449/0x710 [ 6018.520496][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.520496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.520496][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.520496][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.520496][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.520496][ T72] [ 6018.522652][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6018.522652][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6018.522652][ T72] ipv6_find_idev+0x102/0x170 [ 6018.522652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.522652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.522652][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.522652][ T72] netlink_unicast+0x449/0x710 [ 6018.522652][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.522652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.522652][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.522652][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.522652][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.522652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.522652][ T72] [ 6018.524348][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6018.524348][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6018.524348][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6018.524348][ T72] ipv6_find_idev+0x102/0x170 [ 6018.524348][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.524348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.524348][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.524348][ T72] netlink_unicast+0x449/0x710 [ 6018.524348][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.524348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.524348][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.524348][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.524348][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.524348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.524348][ T72] [ 6018.526262][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6018.526618][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6018.526618][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6018.526618][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6018.526618][ T72] fib6_nh_init+0xa22/0x1580 [ 6018.526618][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.526618][ T72] ip6_route_add+0x1c/0x140 [ 6018.526618][ T72] inet6_rtm_newroute+0x104/0x110 [ 6018.526618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.526618][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.526618][ T72] netlink_unicast+0x449/0x710 [ 6018.526618][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.526618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.526618][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.526618][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.526618][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.526618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.526618][ T72] [ 6018.528865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6018.528865][ T72] dst_init+0x84/0x4a0 [ 6018.528865][ T72] dst_alloc+0x97/0x150 [ 6018.528865][ T72] ip6_dst_alloc+0x23/0x90 [ 6018.528865][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6018.528865][ T72] ip6_pol_route+0x56f/0x840 [ 6018.528865][ T72] fib6_rule_lookup+0x456/0x630 [ 6018.528865][ T72] ip6_route_input+0x59c/0xa50 [ 6018.528865][ T72] ipv6_rcv+0x397/0x810 [ 6018.528865][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6018.528865][ T72] process_backlog+0x101/0x620 [ 6018.528865][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6018.528865][ T72] net_rx_action+0x495/0xbe0 [ 6018.528865][ T72] __do_softirq+0x1b5/0x7f6 [ 6018.528865][ T72] [ 6018.530865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6018.530865][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.530865][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.530865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.530865][ T72] ip6_route_add+0x1c/0x140 [ 6018.530865][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6018.530865][ T72] inet6_addr_add+0x4f8/0xa40 [ 6018.530865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.530865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.530865][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.530865][ T72] netlink_unicast+0x449/0x710 [ 6018.530865][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.530865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.530865][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.530865][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.530865][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.530865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.530865][ T72] [ 6018.533314][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6018.533314][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.533314][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.533314][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.533314][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6018.533314][ T72] ipv6_add_addr+0x411/0x2000 [ 6018.533314][ T72] inet6_addr_add+0x30e/0xa40 [ 6018.533314][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.533314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.533314][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.533314][ T72] netlink_unicast+0x449/0x710 [ 6018.533314][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.533314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.533314][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.533314][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.533314][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.533314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.533314][ T72] [ 6018.535770][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6018.535770][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.535770][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.535770][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.535770][ T72] ip6_route_add+0x1c/0x140 [ 6018.535770][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6018.535770][ T72] addrconf_add_dev+0xe2/0x170 [ 6018.535770][ T72] inet6_addr_add+0x12f/0xa40 [ 6018.535770][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.535770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.535770][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.535770][ T72] netlink_unicast+0x449/0x710 [ 6018.535770][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.535770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.535770][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.535770][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.535770][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.535770][ T72] [ 6018.538170][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6018.538170][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6018.538170][ T72] ipv6_find_idev+0x102/0x170 [ 6018.538170][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.538170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.538170][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.538170][ T72] netlink_unicast+0x449/0x710 [ 6018.538170][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.538170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.538170][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.538170][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.538170][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.538170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.538170][ T72] [ 6018.540048][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6018.540048][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6018.540048][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6018.540048][ T72] ipv6_find_idev+0x102/0x170 [ 6018.540048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.540048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.540048][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.540048][ T72] netlink_unicast+0x449/0x710 [ 6018.540048][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.540048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.540048][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.540048][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.540048][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.540048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.540048][ T72] [ 6018.542094][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6018.542396][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6018.542396][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.542396][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.542396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.542396][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6018.542396][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6018.542396][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6018.542396][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6018.542396][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6018.542396][ T72] addrconf_dad_begin+0x310/0x670 [ 6018.542396][ T72] addrconf_dad_work+0x10b/0xab0 [ 6018.542396][ T72] process_one_work+0x84d/0x18a0 [ 6018.542396][ T72] worker_thread+0x587/0xd30 [ 6018.542396][ T72] kthread+0x28a/0x350 [ 6018.542396][ T72] ret_from_fork+0x31/0x70 [ 6018.542396][ T72] ret_from_fork_asm+0x1a/0x30 [ 6018.542396][ T72] [ 6018.544741][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6018.544741][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.544741][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.544741][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.544741][ T72] ip6_route_add+0x1c/0x140 [ 6018.544741][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6018.544741][ T72] inet6_addr_add+0x4f8/0xa40 [ 6018.544741][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.544741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.544741][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.544741][ T72] netlink_unicast+0x449/0x710 [ 6018.544741][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.544741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.544741][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.544741][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.544741][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.544741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.544741][ T72] [ 6018.547186][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6018.547186][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.547186][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.547186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.547186][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6018.547186][ T72] ipv6_add_addr+0x411/0x2000 [ 6018.547186][ T72] inet6_addr_add+0x30e/0xa40 [ 6018.547186][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.547186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.547186][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.547186][ T72] netlink_unicast+0x449/0x710 [ 6018.547186][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.547186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.547186][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.547186][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.547186][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.547186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.547186][ T72] [ 6018.549689][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6018.549689][ T72] netdev_get_by_index+0x5e/0x80 [ 6018.549689][ T72] fib6_nh_init+0x3d8/0x1580 [ 6018.549689][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6018.549689][ T72] ip6_route_add+0x1c/0x140 [ 6018.549689][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6018.549689][ T72] addrconf_add_dev+0xe2/0x170 [ 6018.549689][ T72] inet6_addr_add+0x12f/0xa40 [ 6018.549689][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.549689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.549689][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.549689][ T72] netlink_unicast+0x449/0x710 [ 6018.549689][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.549689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.549689][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.549689][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.549689][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.549689][ T72] [ 6018.552096][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6018.552096][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6018.552096][ T72] ipv6_find_idev+0x102/0x170 [ 6018.552096][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.552096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.552096][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.552096][ T72] netlink_unicast+0x449/0x710 [ 6018.552096][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.552096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.552096][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.552096][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.552096][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.552096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.552096][ T72] [ 6018.553929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6018.553929][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6018.553929][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6018.553929][ T72] ipv6_find_idev+0x102/0x170 [ 6018.553929][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.553929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.553929][ T72] netlink_rcv_skb+0x130/0x360 [ 6018.553929][ T72] netlink_unicast+0x449/0x710 [ 6018.553929][ T72] netlink_sendmsg+0x723/0xbe0 [ 6018.553929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6018.553929][ T72] ___sys_sendmsg+0xee/0x170 [ 6018.553929][ T72] __sys_sendmsg+0xcd/0x170 [ 6018.553929][ T72] do_syscall_64+0xc6/0x1e0 [ 6018.553929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.553929][ T72] [ 6028.792983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6028.793532][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6028.793532][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6028.793532][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6028.793532][ T72] fib6_nh_init+0xa22/0x1580 [ 6028.793532][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.793532][ T72] ip6_route_add+0x1c/0x140 [ 6028.793532][ T72] inet6_rtm_newroute+0x104/0x110 [ 6028.793532][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.793532][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.793532][ T72] netlink_unicast+0x449/0x710 [ 6028.793532][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.793532][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.793532][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.793532][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.793532][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.793532][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.793532][ T72] [ 6028.795616][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6028.795616][ T72] dst_init+0x84/0x4a0 [ 6028.795616][ T72] dst_alloc+0x97/0x150 [ 6028.795616][ T72] ip6_dst_alloc+0x23/0x90 [ 6028.795616][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6028.795616][ T72] ip6_pol_route+0x56f/0x840 [ 6028.795616][ T72] fib6_rule_lookup+0x456/0x630 [ 6028.795616][ T72] ip6_route_input+0x59c/0xa50 [ 6028.795616][ T72] ipv6_rcv+0x397/0x810 [ 6028.795616][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6028.795616][ T72] process_backlog+0x101/0x620 [ 6028.795616][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6028.795616][ T72] net_rx_action+0x495/0xbe0 [ 6028.795616][ T72] __do_softirq+0x1b5/0x7f6 [ 6028.795616][ T72] [ 6028.797412][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6028.797412][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.797412][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.797412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.797412][ T72] ip6_route_add+0x1c/0x140 [ 6028.797412][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6028.797412][ T72] inet6_addr_add+0x4f8/0xa40 [ 6028.797412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.797412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.797412][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.797412][ T72] netlink_unicast+0x449/0x710 [ 6028.797412][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.797412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.797412][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.797412][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.797412][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.797412][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.797412][ T72] [ 6028.799613][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6028.799613][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.799613][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.799613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.799613][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6028.799613][ T72] ipv6_add_addr+0x411/0x2000 [ 6028.799613][ T72] inet6_addr_add+0x30e/0xa40 [ 6028.799613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.799613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.799613][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.799613][ T72] netlink_unicast+0x449/0x710 [ 6028.799613][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.799613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.799613][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.799613][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.799613][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.799613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.799613][ T72] [ 6028.801856][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6028.801856][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.801856][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.801856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.801856][ T72] ip6_route_add+0x1c/0x140 [ 6028.801856][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6028.801856][ T72] addrconf_add_dev+0xe2/0x170 [ 6028.801856][ T72] inet6_addr_add+0x12f/0xa40 [ 6028.801856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.801856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.801856][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.801856][ T72] netlink_unicast+0x449/0x710 [ 6028.801856][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.801856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.801856][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.801856][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.801856][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.801856][ T72] [ 6028.804050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6028.804050][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6028.804050][ T72] ipv6_find_idev+0x102/0x170 [ 6028.804050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.804050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.804050][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.804050][ T72] netlink_unicast+0x449/0x710 [ 6028.804050][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.804050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.804050][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.804050][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.804050][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.804050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.804050][ T72] [ 6028.805730][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6028.805730][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6028.805730][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6028.805730][ T72] ipv6_find_idev+0x102/0x170 [ 6028.805730][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.805730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.805730][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.805730][ T72] netlink_unicast+0x449/0x710 [ 6028.805730][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.805730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.805730][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.805730][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.805730][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.805730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.805730][ T72] [ 6028.807605][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6028.807926][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6028.807926][ T72] dst_init+0x84/0x4a0 [ 6028.807926][ T72] dst_alloc+0x97/0x150 [ 6028.807926][ T72] ip6_dst_alloc+0x23/0x90 [ 6028.807926][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6028.807926][ T72] ip6_pol_route+0x56f/0x840 [ 6028.807926][ T72] fib6_rule_lookup+0x456/0x630 [ 6028.807926][ T72] ip6_route_input+0x59c/0xa50 [ 6028.807926][ T72] ipv6_rcv+0x397/0x810 [ 6028.807926][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6028.807926][ T72] process_backlog+0x101/0x620 [ 6028.807926][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6028.807926][ T72] net_rx_action+0x495/0xbe0 [ 6028.807926][ T72] __do_softirq+0x1b5/0x7f6 [ 6028.807926][ T72] [ 6028.809726][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6028.809726][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.809726][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.809726][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.809726][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6028.809726][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6028.809726][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6028.809726][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6028.809726][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6028.809726][ T72] addrconf_dad_begin+0x310/0x670 [ 6028.809726][ T72] addrconf_dad_work+0x10b/0xab0 [ 6028.809726][ T72] process_one_work+0x84d/0x18a0 [ 6028.809726][ T72] worker_thread+0x587/0xd30 [ 6028.809726][ T72] kthread+0x28a/0x350 [ 6028.809726][ T72] ret_from_fork+0x31/0x70 [ 6028.809726][ T72] ret_from_fork_asm+0x1a/0x30 [ 6028.809726][ T72] [ 6028.811828][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6028.811828][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.811828][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.811828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.811828][ T72] ip6_route_add+0x1c/0x140 [ 6028.811828][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6028.811828][ T72] inet6_addr_add+0x4f8/0xa40 [ 6028.811828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.811828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.811828][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.811828][ T72] netlink_unicast+0x449/0x710 [ 6028.811828][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.811828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.811828][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.811828][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.811828][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.811828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.811828][ T72] [ 6028.814034][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6028.814034][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.814034][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.814034][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.814034][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6028.814034][ T72] ipv6_add_addr+0x411/0x2000 [ 6028.814034][ T72] inet6_addr_add+0x30e/0xa40 [ 6028.814034][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.814034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.814034][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.814034][ T72] netlink_unicast+0x449/0x710 [ 6028.814034][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.814034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.814034][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.814034][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.814034][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.814034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.814034][ T72] [ 6028.816222][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6028.816222][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.816222][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.816222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.816222][ T72] ip6_route_add+0x1c/0x140 [ 6028.816222][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6028.816222][ T72] addrconf_add_dev+0xe2/0x170 [ 6028.816222][ T72] inet6_addr_add+0x12f/0xa40 [ 6028.816222][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.816222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.816222][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.816222][ T72] netlink_unicast+0x449/0x710 [ 6028.816222][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.816222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.816222][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.816222][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.816222][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.816222][ T72] [ 6028.818353][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6028.818353][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6028.818353][ T72] ipv6_find_idev+0x102/0x170 [ 6028.818353][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.818353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.818353][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.818353][ T72] netlink_unicast+0x449/0x710 [ 6028.818353][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.818353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.818353][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.818353][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.818353][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.818353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.818353][ T72] [ 6028.820039][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6028.820039][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6028.820039][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6028.820039][ T72] ipv6_find_idev+0x102/0x170 [ 6028.820039][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.820039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.820039][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.820039][ T72] netlink_unicast+0x449/0x710 [ 6028.820039][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.820039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.820039][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.820039][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.820039][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.820039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.820039][ T72] [ 6028.822010][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6028.822297][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6028.822297][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6028.822297][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6028.822297][ T72] fib6_nh_init+0xa22/0x1580 [ 6028.822297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.822297][ T72] ip6_route_add+0x1c/0x140 [ 6028.822297][ T72] inet6_rtm_newroute+0x104/0x110 [ 6028.822297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.822297][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.822297][ T72] netlink_unicast+0x449/0x710 [ 6028.822297][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.822297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.822297][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.822297][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.822297][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.822297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.822297][ T72] [ 6028.824662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6028.824662][ T72] dst_init+0x84/0x4a0 [ 6028.824662][ T72] dst_alloc+0x97/0x150 [ 6028.824662][ T72] ip6_dst_alloc+0x23/0x90 [ 6028.824662][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6028.824662][ T72] ip6_pol_route+0x56f/0x840 [ 6028.824662][ T72] fib6_rule_lookup+0x456/0x630 [ 6028.824662][ T72] ip6_route_input+0x59c/0xa50 [ 6028.824662][ T72] ipv6_rcv+0x397/0x810 [ 6028.824662][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6028.824662][ T72] process_backlog+0x101/0x620 [ 6028.824662][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6028.824662][ T72] net_rx_action+0x495/0xbe0 [ 6028.824662][ T72] __do_softirq+0x1b5/0x7f6 [ 6028.824662][ T72] [ 6028.826604][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6028.826604][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.826604][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.826604][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.826604][ T72] ip6_route_add+0x1c/0x140 [ 6028.826604][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6028.826604][ T72] inet6_addr_add+0x4f8/0xa40 [ 6028.826604][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.826604][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.826604][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.826604][ T72] netlink_unicast+0x449/0x710 [ 6028.826604][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.826604][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.826604][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.826604][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.826604][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.826604][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.826604][ T72] [ 6028.828972][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6028.828972][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.828972][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.828972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.828972][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6028.828972][ T72] ipv6_add_addr+0x411/0x2000 [ 6028.828972][ T72] inet6_addr_add+0x30e/0xa40 [ 6028.828972][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.828972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.828972][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.828972][ T72] netlink_unicast+0x449/0x710 [ 6028.828972][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.828972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.828972][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.828972][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.828972][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.828972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.828972][ T72] [ 6028.831949][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6028.831949][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.831949][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.831949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.831949][ T72] ip6_route_add+0x1c/0x140 [ 6028.831949][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6028.831949][ T72] addrconf_add_dev+0xe2/0x170 [ 6028.831949][ T72] inet6_addr_add+0x12f/0xa40 [ 6028.831949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.831949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.831949][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.831949][ T72] netlink_unicast+0x449/0x710 [ 6028.831949][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.831949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.831949][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.831949][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.831949][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.831949][ T72] [ 6028.863300][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6028.863300][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6028.863300][ T72] ipv6_find_idev+0x102/0x170 [ 6028.863300][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.863300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.863300][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.863300][ T72] netlink_unicast+0x449/0x710 [ 6028.863300][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.863300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.863300][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.863300][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.863300][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.863300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.863300][ T72] [ 6028.865179][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6028.865179][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6028.865179][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6028.865179][ T72] ipv6_find_idev+0x102/0x170 [ 6028.865179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.865179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.865179][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.865179][ T72] netlink_unicast+0x449/0x710 [ 6028.865179][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.865179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.865179][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.865179][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.865179][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.865179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.865179][ T72] [ 6028.867281][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6028.867588][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6028.867588][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.867588][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.867588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.867588][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6028.867588][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6028.867588][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6028.867588][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6028.867588][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6028.867588][ T72] addrconf_dad_begin+0x310/0x670 [ 6028.867588][ T72] addrconf_dad_work+0x10b/0xab0 [ 6028.867588][ T72] process_one_work+0x84d/0x18a0 [ 6028.867588][ T72] worker_thread+0x587/0xd30 [ 6028.867588][ T72] kthread+0x28a/0x350 [ 6028.867588][ T72] ret_from_fork+0x31/0x70 [ 6028.867588][ T72] ret_from_fork_asm+0x1a/0x30 [ 6028.867588][ T72] [ 6028.869929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6028.869929][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.869929][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.869929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.869929][ T72] ip6_route_add+0x1c/0x140 [ 6028.869929][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6028.869929][ T72] inet6_addr_add+0x4f8/0xa40 [ 6028.869929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.869929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.869929][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.869929][ T72] netlink_unicast+0x449/0x710 [ 6028.869929][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.869929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.869929][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.869929][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.869929][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.869929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.869929][ T72] [ 6028.872364][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6028.872364][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.872364][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.872364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.872364][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6028.872364][ T72] ipv6_add_addr+0x411/0x2000 [ 6028.872364][ T72] inet6_addr_add+0x30e/0xa40 [ 6028.872364][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.872364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.872364][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.872364][ T72] netlink_unicast+0x449/0x710 [ 6028.872364][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.872364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.872364][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.872364][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.872364][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.872364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.872364][ T72] [ 6028.874795][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6028.874795][ T72] netdev_get_by_index+0x5e/0x80 [ 6028.874795][ T72] fib6_nh_init+0x3d8/0x1580 [ 6028.874795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6028.874795][ T72] ip6_route_add+0x1c/0x140 [ 6028.874795][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6028.874795][ T72] addrconf_add_dev+0xe2/0x170 [ 6028.874795][ T72] inet6_addr_add+0x12f/0xa40 [ 6028.874795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.874795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.874795][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.874795][ T72] netlink_unicast+0x449/0x710 [ 6028.874795][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.874795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.874795][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.874795][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.874795][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.874795][ T72] [ 6028.877189][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6028.877189][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6028.877189][ T72] ipv6_find_idev+0x102/0x170 [ 6028.877189][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.877189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.877189][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.877189][ T72] netlink_unicast+0x449/0x710 [ 6028.877189][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.877189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.877189][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.877189][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.877189][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.877189][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.877189][ T72] [ 6028.879058][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6028.879058][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6028.879058][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6028.879058][ T72] ipv6_find_idev+0x102/0x170 [ 6028.879058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.879058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.879058][ T72] netlink_rcv_skb+0x130/0x360 [ 6028.879058][ T72] netlink_unicast+0x449/0x710 [ 6028.879058][ T72] netlink_sendmsg+0x723/0xbe0 [ 6028.879058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6028.879058][ T72] ___sys_sendmsg+0xee/0x170 [ 6028.879058][ T72] __sys_sendmsg+0xcd/0x170 [ 6028.879058][ T72] do_syscall_64+0xc6/0x1e0 [ 6028.879058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.879058][ T72] [ 6039.120908][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6039.121365][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6039.121365][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6039.121365][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6039.121365][ T72] fib6_nh_init+0xa22/0x1580 [ 6039.121365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.121365][ T72] ip6_route_add+0x1c/0x140 [ 6039.121365][ T72] inet6_rtm_newroute+0x104/0x110 [ 6039.121365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.121365][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.121365][ T72] netlink_unicast+0x449/0x710 [ 6039.121365][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.121365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.121365][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.121365][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.121365][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.121365][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.121365][ T72] [ 6039.123467][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6039.123467][ T72] dst_init+0x84/0x4a0 [ 6039.123467][ T72] dst_alloc+0x97/0x150 [ 6039.123467][ T72] ip6_dst_alloc+0x23/0x90 [ 6039.123467][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6039.123467][ T72] ip6_pol_route+0x56f/0x840 [ 6039.123467][ T72] fib6_rule_lookup+0x456/0x630 [ 6039.123467][ T72] ip6_route_input+0x59c/0xa50 [ 6039.123467][ T72] ipv6_rcv+0x397/0x810 [ 6039.123467][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6039.123467][ T72] process_backlog+0x101/0x620 [ 6039.123467][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6039.123467][ T72] net_rx_action+0x495/0xbe0 [ 6039.123467][ T72] __do_softirq+0x1b5/0x7f6 [ 6039.123467][ T72] [ 6039.125270][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6039.125270][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.125270][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.125270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.125270][ T72] ip6_route_add+0x1c/0x140 [ 6039.125270][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6039.125270][ T72] inet6_addr_add+0x4f8/0xa40 [ 6039.125270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.125270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.125270][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.125270][ T72] netlink_unicast+0x449/0x710 [ 6039.125270][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.125270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.125270][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.125270][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.125270][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.125270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.125270][ T72] [ 6039.127489][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6039.127489][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.127489][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.127489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.127489][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6039.127489][ T72] ipv6_add_addr+0x411/0x2000 [ 6039.127489][ T72] inet6_addr_add+0x30e/0xa40 [ 6039.127489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.127489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.127489][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.127489][ T72] netlink_unicast+0x449/0x710 [ 6039.127489][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.127489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.127489][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.127489][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.127489][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.127489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.127489][ T72] [ 6039.129694][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6039.129694][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.129694][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.129694][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.129694][ T72] ip6_route_add+0x1c/0x140 [ 6039.129694][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.129694][ T72] addrconf_add_dev+0xe2/0x170 [ 6039.129694][ T72] inet6_addr_add+0x12f/0xa40 [ 6039.129694][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.129694][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.129694][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.129694][ T72] netlink_unicast+0x449/0x710 [ 6039.129694][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.129694][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.129694][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.129694][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.129694][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.129694][ T72] [ 6039.131883][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6039.131883][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6039.131883][ T72] ipv6_find_idev+0x102/0x170 [ 6039.131883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.131883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.131883][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.131883][ T72] netlink_unicast+0x449/0x710 [ 6039.131883][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.131883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.131883][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.131883][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.131883][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.131883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.131883][ T72] [ 6039.133598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6039.133598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6039.133598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6039.133598][ T72] ipv6_find_idev+0x102/0x170 [ 6039.133598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.133598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.133598][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.133598][ T72] netlink_unicast+0x449/0x710 [ 6039.133598][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.133598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.133598][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.133598][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.133598][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.133598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.133598][ T72] [ 6039.135460][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6039.135763][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6039.135763][ T72] dst_init+0x84/0x4a0 [ 6039.135763][ T72] dst_alloc+0x97/0x150 [ 6039.135763][ T72] ip6_dst_alloc+0x23/0x90 [ 6039.135763][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6039.135763][ T72] ip6_pol_route+0x56f/0x840 [ 6039.135763][ T72] fib6_rule_lookup+0x456/0x630 [ 6039.135763][ T72] ip6_route_input+0x59c/0xa50 [ 6039.135763][ T72] ipv6_rcv+0x397/0x810 [ 6039.135763][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6039.135763][ T72] process_backlog+0x101/0x620 [ 6039.135763][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6039.135763][ T72] net_rx_action+0x495/0xbe0 [ 6039.135763][ T72] __do_softirq+0x1b5/0x7f6 [ 6039.135763][ T72] [ 6039.137641][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6039.137641][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.137641][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.137641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.137641][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6039.137641][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6039.137641][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6039.137641][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6039.137641][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6039.137641][ T72] addrconf_dad_begin+0x310/0x670 [ 6039.137641][ T72] addrconf_dad_work+0x10b/0xab0 [ 6039.137641][ T72] process_one_work+0x84d/0x18a0 [ 6039.137641][ T72] worker_thread+0x587/0xd30 [ 6039.137641][ T72] kthread+0x28a/0x350 [ 6039.137641][ T72] ret_from_fork+0x31/0x70 [ 6039.137641][ T72] ret_from_fork_asm+0x1a/0x30 [ 6039.137641][ T72] [ 6039.139763][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6039.139763][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.139763][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.139763][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.139763][ T72] ip6_route_add+0x1c/0x140 [ 6039.139763][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6039.139763][ T72] inet6_addr_add+0x4f8/0xa40 [ 6039.139763][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.139763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.139763][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.139763][ T72] netlink_unicast+0x449/0x710 [ 6039.139763][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.139763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.139763][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.139763][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.139763][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.139763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.139763][ T72] [ 6039.141978][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6039.141978][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.141978][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.141978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.141978][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6039.141978][ T72] ipv6_add_addr+0x411/0x2000 [ 6039.141978][ T72] inet6_addr_add+0x30e/0xa40 [ 6039.141978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.141978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.141978][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.141978][ T72] netlink_unicast+0x449/0x710 [ 6039.141978][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.141978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.141978][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.141978][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.141978][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.141978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.141978][ T72] [ 6039.144189][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6039.144189][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.144189][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.144189][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.144189][ T72] ip6_route_add+0x1c/0x140 [ 6039.144189][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.144189][ T72] addrconf_add_dev+0xe2/0x170 [ 6039.144189][ T72] inet6_addr_add+0x12f/0xa40 [ 6039.144189][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.144189][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.144189][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.144189][ T72] netlink_unicast+0x449/0x710 [ 6039.144189][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.144189][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.144189][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.144189][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.144189][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.144189][ T72] [ 6039.146360][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6039.146360][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6039.146360][ T72] ipv6_find_idev+0x102/0x170 [ 6039.146360][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.146360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.146360][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.146360][ T72] netlink_unicast+0x449/0x710 [ 6039.146360][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.146360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.146360][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.146360][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.146360][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.146360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.146360][ T72] [ 6039.148057][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6039.148057][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6039.148057][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6039.148057][ T72] ipv6_find_idev+0x102/0x170 [ 6039.148057][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.148057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.148057][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.148057][ T72] netlink_unicast+0x449/0x710 [ 6039.148057][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.148057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.148057][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.148057][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.148057][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.148057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.148057][ T72] [ 6039.149989][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6039.150348][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6039.150348][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6039.150348][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6039.150348][ T72] fib6_nh_init+0xa22/0x1580 [ 6039.150348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.150348][ T72] ip6_route_add+0x1c/0x140 [ 6039.150348][ T72] inet6_rtm_newroute+0x104/0x110 [ 6039.150348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.150348][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.150348][ T72] netlink_unicast+0x449/0x710 [ 6039.150348][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.150348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.150348][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.150348][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.150348][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.150348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.150348][ T72] [ 6039.152609][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6039.152609][ T72] dst_init+0x84/0x4a0 [ 6039.152609][ T72] dst_alloc+0x97/0x150 [ 6039.152609][ T72] ip6_dst_alloc+0x23/0x90 [ 6039.152609][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6039.152609][ T72] ip6_pol_route+0x56f/0x840 [ 6039.152609][ T72] fib6_rule_lookup+0x456/0x630 [ 6039.152609][ T72] ip6_route_input+0x59c/0xa50 [ 6039.152609][ T72] ipv6_rcv+0x397/0x810 [ 6039.152609][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6039.152609][ T72] process_backlog+0x101/0x620 [ 6039.152609][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6039.152609][ T72] net_rx_action+0x495/0xbe0 [ 6039.152609][ T72] __do_softirq+0x1b5/0x7f6 [ 6039.152609][ T72] [ 6039.154599][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6039.154599][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.154599][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.154599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.154599][ T72] ip6_route_add+0x1c/0x140 [ 6039.154599][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6039.154599][ T72] inet6_addr_add+0x4f8/0xa40 [ 6039.154599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.154599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.154599][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.154599][ T72] netlink_unicast+0x449/0x710 [ 6039.154599][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.154599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.154599][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.154599][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.154599][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.154599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.154599][ T72] [ 6039.157106][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6039.157106][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.157106][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.157106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.157106][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6039.157106][ T72] ipv6_add_addr+0x411/0x2000 [ 6039.157106][ T72] inet6_addr_add+0x30e/0xa40 [ 6039.157106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.157106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.157106][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.157106][ T72] netlink_unicast+0x449/0x710 [ 6039.157106][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.157106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.157106][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.157106][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.157106][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.157106][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.157106][ T72] [ 6039.159499][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6039.159499][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.159499][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.159499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.159499][ T72] ip6_route_add+0x1c/0x140 [ 6039.159499][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.159499][ T72] addrconf_add_dev+0xe2/0x170 [ 6039.159499][ T72] inet6_addr_add+0x12f/0xa40 [ 6039.159499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.159499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.159499][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.159499][ T72] netlink_unicast+0x449/0x710 [ 6039.159499][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.159499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.159499][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.159499][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.159499][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.159499][ T72] [ 6039.161913][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6039.161913][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6039.161913][ T72] ipv6_find_idev+0x102/0x170 [ 6039.161913][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.161913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.161913][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.161913][ T72] netlink_unicast+0x449/0x710 [ 6039.161913][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.161913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.161913][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.161913][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.161913][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.161913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.161913][ T72] [ 6039.163794][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6039.163794][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6039.163794][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6039.163794][ T72] ipv6_find_idev+0x102/0x170 [ 6039.163794][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.163794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.163794][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.163794][ T72] netlink_unicast+0x449/0x710 [ 6039.163794][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.163794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.163794][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.163794][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.163794][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.163794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.163794][ T72] [ 6039.165835][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6039.166135][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6039.166135][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.166135][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.166135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.166135][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6039.166135][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6039.166135][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6039.166135][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6039.166135][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6039.166135][ T72] addrconf_dad_begin+0x310/0x670 [ 6039.166135][ T72] addrconf_dad_work+0x10b/0xab0 [ 6039.166135][ T72] process_one_work+0x84d/0x18a0 [ 6039.166135][ T72] worker_thread+0x587/0xd30 [ 6039.166135][ T72] kthread+0x28a/0x350 [ 6039.166135][ T72] ret_from_fork+0x31/0x70 [ 6039.166135][ T72] ret_from_fork_asm+0x1a/0x30 [ 6039.166135][ T72] [ 6039.168568][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6039.168568][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.168568][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.168568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.168568][ T72] ip6_route_add+0x1c/0x140 [ 6039.168568][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6039.168568][ T72] inet6_addr_add+0x4f8/0xa40 [ 6039.168568][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.168568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.168568][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.168568][ T72] netlink_unicast+0x449/0x710 [ 6039.168568][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.168568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.168568][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.168568][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.168568][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.168568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.168568][ T72] [ 6039.171033][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6039.171033][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.171033][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.171033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.171033][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6039.171033][ T72] ipv6_add_addr+0x411/0x2000 [ 6039.171033][ T72] inet6_addr_add+0x30e/0xa40 [ 6039.171033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.171033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.171033][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.171033][ T72] netlink_unicast+0x449/0x710 [ 6039.171033][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.171033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.171033][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.171033][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.171033][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.171033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.171033][ T72] [ 6039.174016][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6039.174016][ T72] netdev_get_by_index+0x5e/0x80 [ 6039.174016][ T72] fib6_nh_init+0x3d8/0x1580 [ 6039.174016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6039.174016][ T72] ip6_route_add+0x1c/0x140 [ 6039.174016][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.174016][ T72] addrconf_add_dev+0xe2/0x170 [ 6039.174016][ T72] inet6_addr_add+0x12f/0xa40 [ 6039.174016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.174016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.174016][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.174016][ T72] netlink_unicast+0x449/0x710 [ 6039.174016][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.174016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.174016][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.174016][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.174016][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.174016][ T72] [ 6039.176361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6039.176361][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6039.176361][ T72] ipv6_find_idev+0x102/0x170 [ 6039.176361][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.176361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.176361][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.176361][ T72] netlink_unicast+0x449/0x710 [ 6039.176361][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.176361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.176361][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.176361][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.176361][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.176361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.176361][ T72] [ 6039.178305][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6039.178305][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6039.178305][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6039.178305][ T72] ipv6_find_idev+0x102/0x170 [ 6039.178305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.178305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.178305][ T72] netlink_rcv_skb+0x130/0x360 [ 6039.178305][ T72] netlink_unicast+0x449/0x710 [ 6039.178305][ T72] netlink_sendmsg+0x723/0xbe0 [ 6039.178305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6039.178305][ T72] ___sys_sendmsg+0xee/0x170 [ 6039.178305][ T72] __sys_sendmsg+0xcd/0x170 [ 6039.178305][ T72] do_syscall_64+0xc6/0x1e0 [ 6039.178305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.178305][ T72] [ 6049.360975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6049.361497][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6049.361497][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6049.361497][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6049.361497][ T72] fib6_nh_init+0xa22/0x1580 [ 6049.361497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.361497][ T72] ip6_route_add+0x1c/0x140 [ 6049.361497][ T72] inet6_rtm_newroute+0x104/0x110 [ 6049.361497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.361497][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.361497][ T72] netlink_unicast+0x449/0x710 [ 6049.361497][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.361497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.361497][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.361497][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.361497][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.361497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.361497][ T72] [ 6049.363712][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6049.363712][ T72] dst_init+0x84/0x4a0 [ 6049.363712][ T72] dst_alloc+0x97/0x150 [ 6049.363712][ T72] ip6_dst_alloc+0x23/0x90 [ 6049.363712][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6049.363712][ T72] ip6_pol_route+0x56f/0x840 [ 6049.363712][ T72] fib6_rule_lookup+0x456/0x630 [ 6049.363712][ T72] ip6_route_input+0x59c/0xa50 [ 6049.363712][ T72] ipv6_rcv+0x397/0x810 [ 6049.363712][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6049.363712][ T72] process_backlog+0x101/0x620 [ 6049.363712][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6049.363712][ T72] net_rx_action+0x495/0xbe0 [ 6049.363712][ T72] __do_softirq+0x1b5/0x7f6 [ 6049.363712][ T72] [ 6049.365724][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6049.365724][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.365724][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.365724][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.365724][ T72] ip6_route_add+0x1c/0x140 [ 6049.365724][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6049.365724][ T72] inet6_addr_add+0x4f8/0xa40 [ 6049.365724][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.365724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.365724][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.365724][ T72] netlink_unicast+0x449/0x710 [ 6049.365724][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.365724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.365724][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.365724][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.365724][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.365724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.365724][ T72] [ 6049.368209][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6049.368209][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.368209][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.368209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.368209][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6049.368209][ T72] ipv6_add_addr+0x411/0x2000 [ 6049.368209][ T72] inet6_addr_add+0x30e/0xa40 [ 6049.368209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.368209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.368209][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.368209][ T72] netlink_unicast+0x449/0x710 [ 6049.368209][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.368209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.368209][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.368209][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.368209][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.368209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.368209][ T72] [ 6049.370668][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6049.370668][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.370668][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.370668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.370668][ T72] ip6_route_add+0x1c/0x140 [ 6049.370668][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.370668][ T72] addrconf_add_dev+0xe2/0x170 [ 6049.370668][ T72] inet6_addr_add+0x12f/0xa40 [ 6049.370668][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.370668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.370668][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.370668][ T72] netlink_unicast+0x449/0x710 [ 6049.370668][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.370668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.370668][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.370668][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.370668][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.370668][ T72] [ 6049.372646][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6049.372646][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6049.372646][ T72] ipv6_find_idev+0x102/0x170 [ 6049.372646][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.372646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.372646][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.372646][ T72] netlink_unicast+0x449/0x710 [ 6049.372646][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.372646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.372646][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.372646][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.372646][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.372646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.372646][ T72] [ 6049.374208][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6049.374208][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6049.374208][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6049.374208][ T72] ipv6_find_idev+0x102/0x170 [ 6049.374208][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.374208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.374208][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.374208][ T72] netlink_unicast+0x449/0x710 [ 6049.374208][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.374208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.374208][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.374208][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.374208][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.374208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.374208][ T72] [ 6049.375927][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6049.376204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6049.376204][ T72] dst_init+0x84/0x4a0 [ 6049.376204][ T72] dst_alloc+0x97/0x150 [ 6049.376204][ T72] ip6_dst_alloc+0x23/0x90 [ 6049.376204][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6049.376204][ T72] ip6_pol_route+0x56f/0x840 [ 6049.376204][ T72] fib6_rule_lookup+0x456/0x630 [ 6049.376204][ T72] ip6_route_input+0x59c/0xa50 [ 6049.376204][ T72] ipv6_rcv+0x397/0x810 [ 6049.376204][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6049.376204][ T72] process_backlog+0x101/0x620 [ 6049.376204][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6049.376204][ T72] net_rx_action+0x495/0xbe0 [ 6049.376204][ T72] __do_softirq+0x1b5/0x7f6 [ 6049.376204][ T72] [ 6049.377851][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6049.377851][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.377851][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.377851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.377851][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6049.377851][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6049.377851][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6049.377851][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6049.377851][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6049.377851][ T72] addrconf_dad_begin+0x310/0x670 [ 6049.377851][ T72] addrconf_dad_work+0x10b/0xab0 [ 6049.377851][ T72] process_one_work+0x84d/0x18a0 [ 6049.377851][ T72] worker_thread+0x587/0xd30 [ 6049.377851][ T72] kthread+0x28a/0x350 [ 6049.377851][ T72] ret_from_fork+0x31/0x70 [ 6049.377851][ T72] ret_from_fork_asm+0x1a/0x30 [ 6049.377851][ T72] [ 6049.379769][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6049.379769][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.379769][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.379769][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.379769][ T72] ip6_route_add+0x1c/0x140 [ 6049.379769][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6049.379769][ T72] inet6_addr_add+0x4f8/0xa40 [ 6049.379769][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.379769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.379769][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.379769][ T72] netlink_unicast+0x449/0x710 [ 6049.379769][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.379769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.379769][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.379769][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.379769][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.379769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.379769][ T72] [ 6049.381779][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6049.381779][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.381779][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.381779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.381779][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6049.381779][ T72] ipv6_add_addr+0x411/0x2000 [ 6049.381779][ T72] inet6_addr_add+0x30e/0xa40 [ 6049.381779][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.381779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.381779][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.381779][ T72] netlink_unicast+0x449/0x710 [ 6049.381779][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.381779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.381779][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.381779][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.381779][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.381779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.381779][ T72] [ 6049.383788][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6049.383788][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.383788][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.383788][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.383788][ T72] ip6_route_add+0x1c/0x140 [ 6049.383788][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.383788][ T72] addrconf_add_dev+0xe2/0x170 [ 6049.383788][ T72] inet6_addr_add+0x12f/0xa40 [ 6049.383788][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.383788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.383788][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.383788][ T72] netlink_unicast+0x449/0x710 [ 6049.383788][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.383788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.383788][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.383788][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.383788][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.383788][ T72] [ 6049.385757][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6049.385757][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6049.385757][ T72] ipv6_find_idev+0x102/0x170 [ 6049.385757][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.385757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.385757][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.385757][ T72] netlink_unicast+0x449/0x710 [ 6049.385757][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.385757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.385757][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.385757][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.385757][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.385757][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.385757][ T72] [ 6049.387307][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6049.387307][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6049.387307][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6049.387307][ T72] ipv6_find_idev+0x102/0x170 [ 6049.387307][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.387307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.387307][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.387307][ T72] netlink_unicast+0x449/0x710 [ 6049.387307][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.387307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.387307][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.387307][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.387307][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.387307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.387307][ T72] [ 6049.389117][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6049.389396][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6049.389396][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6049.389396][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6049.389396][ T72] fib6_nh_init+0xa22/0x1580 [ 6049.389396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.389396][ T72] ip6_route_add+0x1c/0x140 [ 6049.389396][ T72] inet6_rtm_newroute+0x104/0x110 [ 6049.389396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.389396][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.389396][ T72] netlink_unicast+0x449/0x710 [ 6049.389396][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.389396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.389396][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.389396][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.389396][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.389396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.389396][ T72] [ 6049.391616][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6049.391616][ T72] dst_init+0x84/0x4a0 [ 6049.391616][ T72] dst_alloc+0x97/0x150 [ 6049.391616][ T72] ip6_dst_alloc+0x23/0x90 [ 6049.391616][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6049.391616][ T72] ip6_pol_route+0x56f/0x840 [ 6049.391616][ T72] fib6_rule_lookup+0x456/0x630 [ 6049.391616][ T72] ip6_route_input+0x59c/0xa50 [ 6049.391616][ T72] ipv6_rcv+0x397/0x810 [ 6049.391616][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6049.391616][ T72] process_backlog+0x101/0x620 [ 6049.391616][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6049.391616][ T72] net_rx_action+0x495/0xbe0 [ 6049.391616][ T72] __do_softirq+0x1b5/0x7f6 [ 6049.391616][ T72] [ 6049.393438][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6049.393438][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.393438][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.393438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.393438][ T72] ip6_route_add+0x1c/0x140 [ 6049.393438][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6049.393438][ T72] inet6_addr_add+0x4f8/0xa40 [ 6049.393438][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.393438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.393438][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.393438][ T72] netlink_unicast+0x449/0x710 [ 6049.393438][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.393438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.393438][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.393438][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.393438][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.393438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.393438][ T72] [ 6049.395634][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6049.395634][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.395634][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.395634][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.395634][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6049.395634][ T72] ipv6_add_addr+0x411/0x2000 [ 6049.395634][ T72] inet6_addr_add+0x30e/0xa40 [ 6049.395634][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.395634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.395634][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.395634][ T72] netlink_unicast+0x449/0x710 [ 6049.395634][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.395634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.395634][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.395634][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.395634][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.395634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.395634][ T72] [ 6049.397883][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6049.397883][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.397883][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.397883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.397883][ T72] ip6_route_add+0x1c/0x140 [ 6049.397883][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.397883][ T72] addrconf_add_dev+0xe2/0x170 [ 6049.397883][ T72] inet6_addr_add+0x12f/0xa40 [ 6049.397883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.397883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.397883][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.397883][ T72] netlink_unicast+0x449/0x710 [ 6049.397883][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.397883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.397883][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.397883][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.397883][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.397883][ T72] [ 6049.400166][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6049.400166][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6049.400166][ T72] ipv6_find_idev+0x102/0x170 [ 6049.400166][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.400166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.400166][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.400166][ T72] netlink_unicast+0x449/0x710 [ 6049.400166][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.400166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.400166][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.400166][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.400166][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.400166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.400166][ T72] [ 6049.401893][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6049.401893][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6049.401893][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6049.401893][ T72] ipv6_find_idev+0x102/0x170 [ 6049.401893][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.401893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.401893][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.401893][ T72] netlink_unicast+0x449/0x710 [ 6049.401893][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.401893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.401893][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.401893][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.401893][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.401893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.401893][ T72] [ 6049.403779][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6049.404575][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6049.404575][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.404575][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.404575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.404575][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6049.404575][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6049.404575][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6049.404575][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6049.404575][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6049.404575][ T72] addrconf_dad_begin+0x310/0x670 [ 6049.404575][ T72] addrconf_dad_work+0x10b/0xab0 [ 6049.404575][ T72] process_one_work+0x84d/0x18a0 [ 6049.404575][ T72] worker_thread+0x587/0xd30 [ 6049.404575][ T72] kthread+0x28a/0x350 [ 6049.404575][ T72] ret_from_fork+0x31/0x70 [ 6049.404575][ T72] ret_from_fork_asm+0x1a/0x30 [ 6049.404575][ T72] [ 6049.406496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6049.406496][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.406496][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.406496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.406496][ T72] ip6_route_add+0x1c/0x140 [ 6049.406496][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6049.406496][ T72] inet6_addr_add+0x4f8/0xa40 [ 6049.406496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.406496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.406496][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.406496][ T72] netlink_unicast+0x449/0x710 [ 6049.406496][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.406496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.406496][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.406496][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.406496][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.406496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.406496][ T72] [ 6049.408564][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6049.408564][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.408564][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.408564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.408564][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6049.408564][ T72] ipv6_add_addr+0x411/0x2000 [ 6049.408564][ T72] inet6_addr_add+0x30e/0xa40 [ 6049.408564][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.408564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.408564][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.408564][ T72] netlink_unicast+0x449/0x710 [ 6049.408564][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.408564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.408564][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.408564][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.408564][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.408564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.408564][ T72] [ 6049.410836][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6049.410836][ T72] netdev_get_by_index+0x5e/0x80 [ 6049.410836][ T72] fib6_nh_init+0x3d8/0x1580 [ 6049.410836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6049.410836][ T72] ip6_route_add+0x1c/0x140 [ 6049.410836][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.410836][ T72] addrconf_add_dev+0xe2/0x170 [ 6049.410836][ T72] inet6_addr_add+0x12f/0xa40 [ 6049.410836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.410836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.410836][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.410836][ T72] netlink_unicast+0x449/0x710 [ 6049.410836][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.410836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.410836][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.410836][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.410836][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.410836][ T72] [ 6049.413116][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6049.413116][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6049.413116][ T72] ipv6_find_idev+0x102/0x170 [ 6049.413116][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.413116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.413116][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.413116][ T72] netlink_unicast+0x449/0x710 [ 6049.413116][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.413116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.413116][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.413116][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.413116][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.413116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.413116][ T72] [ 6049.414851][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6049.414851][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6049.414851][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6049.414851][ T72] ipv6_find_idev+0x102/0x170 [ 6049.414851][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.414851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.414851][ T72] netlink_rcv_skb+0x130/0x360 [ 6049.414851][ T72] netlink_unicast+0x449/0x710 [ 6049.414851][ T72] netlink_sendmsg+0x723/0xbe0 [ 6049.414851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6049.414851][ T72] ___sys_sendmsg+0xee/0x170 [ 6049.414851][ T72] __sys_sendmsg+0xcd/0x170 [ 6049.414851][ T72] do_syscall_64+0xc6/0x1e0 [ 6049.414851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.414851][ T72] [ 6059.608943][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6059.609400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6059.609400][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6059.609400][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6059.609400][ T72] fib6_nh_init+0xa22/0x1580 [ 6059.609400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.609400][ T72] ip6_route_add+0x1c/0x140 [ 6059.609400][ T72] inet6_rtm_newroute+0x104/0x110 [ 6059.609400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.609400][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.609400][ T72] netlink_unicast+0x449/0x710 [ 6059.609400][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.609400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.609400][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.609400][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.609400][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.609400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.609400][ T72] [ 6059.611339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6059.611339][ T72] dst_init+0x84/0x4a0 [ 6059.611339][ T72] dst_alloc+0x97/0x150 [ 6059.611339][ T72] ip6_dst_alloc+0x23/0x90 [ 6059.611339][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6059.611339][ T72] ip6_pol_route+0x56f/0x840 [ 6059.611339][ T72] fib6_rule_lookup+0x456/0x630 [ 6059.611339][ T72] ip6_route_input+0x59c/0xa50 [ 6059.611339][ T72] ipv6_rcv+0x397/0x810 [ 6059.611339][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6059.611339][ T72] process_backlog+0x101/0x620 [ 6059.611339][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6059.611339][ T72] net_rx_action+0x495/0xbe0 [ 6059.611339][ T72] __do_softirq+0x1b5/0x7f6 [ 6059.611339][ T72] [ 6059.613000][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6059.613000][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.613000][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.613000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.613000][ T72] ip6_route_add+0x1c/0x140 [ 6059.613000][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6059.613000][ T72] inet6_addr_add+0x4f8/0xa40 [ 6059.613000][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.613000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.613000][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.613000][ T72] netlink_unicast+0x449/0x710 [ 6059.613000][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.613000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.613000][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.613000][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.613000][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.613000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.613000][ T72] [ 6059.615025][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6059.615025][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.615025][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.615025][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.615025][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6059.615025][ T72] ipv6_add_addr+0x411/0x2000 [ 6059.615025][ T72] inet6_addr_add+0x30e/0xa40 [ 6059.615025][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.615025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.615025][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.615025][ T72] netlink_unicast+0x449/0x710 [ 6059.615025][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.615025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.615025][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.615025][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.615025][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.615025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.615025][ T72] [ 6059.617040][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6059.617040][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.617040][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.617040][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.617040][ T72] ip6_route_add+0x1c/0x140 [ 6059.617040][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6059.617040][ T72] addrconf_add_dev+0xe2/0x170 [ 6059.617040][ T72] inet6_addr_add+0x12f/0xa40 [ 6059.617040][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.617040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.617040][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.617040][ T72] netlink_unicast+0x449/0x710 [ 6059.617040][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.617040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.617040][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.617040][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.617040][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.617040][ T72] [ 6059.619557][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6059.619557][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6059.619557][ T72] ipv6_find_idev+0x102/0x170 [ 6059.619557][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.619557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.619557][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.619557][ T72] netlink_unicast+0x449/0x710 [ 6059.619557][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.619557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.619557][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.619557][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.619557][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.619557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.619557][ T72] [ 6059.621117][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6059.621117][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6059.621117][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6059.621117][ T72] ipv6_find_idev+0x102/0x170 [ 6059.621117][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.621117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.621117][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.621117][ T72] netlink_unicast+0x449/0x710 [ 6059.621117][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.621117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.621117][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.621117][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.621117][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.621117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.621117][ T72] [ 6059.622845][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6059.623136][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6059.623136][ T72] dst_init+0x84/0x4a0 [ 6059.623136][ T72] dst_alloc+0x97/0x150 [ 6059.623136][ T72] ip6_dst_alloc+0x23/0x90 [ 6059.623136][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6059.623136][ T72] ip6_pol_route+0x56f/0x840 [ 6059.623136][ T72] fib6_rule_lookup+0x456/0x630 [ 6059.623136][ T72] ip6_route_input+0x59c/0xa50 [ 6059.623136][ T72] ipv6_rcv+0x397/0x810 [ 6059.623136][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6059.623136][ T72] process_backlog+0x101/0x620 [ 6059.623136][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6059.623136][ T72] net_rx_action+0x495/0xbe0 [ 6059.623136][ T72] __do_softirq+0x1b5/0x7f6 [ 6059.623136][ T72] [ 6059.624787][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6059.624787][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.624787][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.624787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.624787][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6059.624787][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6059.624787][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6059.624787][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6059.624787][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6059.624787][ T72] addrconf_dad_begin+0x310/0x670 [ 6059.624787][ T72] addrconf_dad_work+0x10b/0xab0 [ 6059.624787][ T72] process_one_work+0x84d/0x18a0 [ 6059.624787][ T72] worker_thread+0x587/0xd30 [ 6059.624787][ T72] kthread+0x28a/0x350 [ 6059.624787][ T72] ret_from_fork+0x31/0x70 [ 6059.624787][ T72] ret_from_fork_asm+0x1a/0x30 [ 6059.624787][ T72] [ 6059.626714][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6059.626714][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.626714][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.626714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.626714][ T72] ip6_route_add+0x1c/0x140 [ 6059.626714][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6059.626714][ T72] inet6_addr_add+0x4f8/0xa40 [ 6059.626714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.626714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.626714][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.626714][ T72] netlink_unicast+0x449/0x710 [ 6059.626714][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.626714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.626714][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.626714][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.626714][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.626714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.626714][ T72] [ 6059.628733][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6059.628733][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.628733][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.628733][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.628733][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6059.628733][ T72] ipv6_add_addr+0x411/0x2000 [ 6059.628733][ T72] inet6_addr_add+0x30e/0xa40 [ 6059.628733][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.628733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.628733][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.628733][ T72] netlink_unicast+0x449/0x710 [ 6059.628733][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.628733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.628733][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.628733][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.628733][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.628733][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.628733][ T72] [ 6059.630762][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6059.630762][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.630762][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.630762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.630762][ T72] ip6_route_add+0x1c/0x140 [ 6059.630762][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6059.630762][ T72] addrconf_add_dev+0xe2/0x170 [ 6059.630762][ T72] inet6_addr_add+0x12f/0xa40 [ 6059.630762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.630762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.630762][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.630762][ T72] netlink_unicast+0x449/0x710 [ 6059.630762][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.630762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.630762][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.630762][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.630762][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.630762][ T72] [ 6059.632741][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6059.632741][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6059.632741][ T72] ipv6_find_idev+0x102/0x170 [ 6059.632741][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.632741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.632741][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.632741][ T72] netlink_unicast+0x449/0x710 [ 6059.632741][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.632741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.632741][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.632741][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.632741][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.632741][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.632741][ T72] [ 6059.634287][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6059.634287][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6059.634287][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6059.634287][ T72] ipv6_find_idev+0x102/0x170 [ 6059.634287][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.634287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.634287][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.634287][ T72] netlink_unicast+0x449/0x710 [ 6059.634287][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.634287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.634287][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.634287][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.634287][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.634287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.634287][ T72] [ 6059.663361][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6059.663661][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6059.663661][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6059.663661][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6059.663661][ T72] fib6_nh_init+0xa22/0x1580 [ 6059.663661][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.663661][ T72] ip6_route_add+0x1c/0x140 [ 6059.663661][ T72] inet6_rtm_newroute+0x104/0x110 [ 6059.663661][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.663661][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.663661][ T72] netlink_unicast+0x449/0x710 [ 6059.663661][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.663661][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.663661][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.663661][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.663661][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.663661][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.663661][ T72] [ 6059.665857][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6059.665857][ T72] dst_init+0x84/0x4a0 [ 6059.665857][ T72] dst_alloc+0x97/0x150 [ 6059.665857][ T72] ip6_dst_alloc+0x23/0x90 [ 6059.665857][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6059.665857][ T72] ip6_pol_route+0x56f/0x840 [ 6059.665857][ T72] fib6_rule_lookup+0x456/0x630 [ 6059.665857][ T72] ip6_route_input+0x59c/0xa50 [ 6059.665857][ T72] ipv6_rcv+0x397/0x810 [ 6059.665857][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6059.665857][ T72] process_backlog+0x101/0x620 [ 6059.665857][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6059.665857][ T72] net_rx_action+0x495/0xbe0 [ 6059.665857][ T72] __do_softirq+0x1b5/0x7f6 [ 6059.665857][ T72] [ 6059.694073][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6059.694073][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.694073][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.694073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.694073][ T72] ip6_route_add+0x1c/0x140 [ 6059.694073][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6059.694073][ T72] inet6_addr_add+0x4f8/0xa40 [ 6059.694073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.694073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.694073][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.694073][ T72] netlink_unicast+0x449/0x710 [ 6059.694073][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.694073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.694073][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.694073][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.694073][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.694073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.694073][ T72] [ 6059.696273][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6059.696273][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.696273][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.696273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.696273][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6059.696273][ T72] ipv6_add_addr+0x411/0x2000 [ 6059.696273][ T72] inet6_addr_add+0x30e/0xa40 [ 6059.696273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.696273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.696273][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.696273][ T72] netlink_unicast+0x449/0x710 [ 6059.696273][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.696273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.696273][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.696273][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.696273][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.696273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.696273][ T72] [ 6059.698774][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6059.698774][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.698774][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.698774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.698774][ T72] ip6_route_add+0x1c/0x140 [ 6059.698774][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6059.698774][ T72] addrconf_add_dev+0xe2/0x170 [ 6059.698774][ T72] inet6_addr_add+0x12f/0xa40 [ 6059.698774][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.698774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.698774][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.698774][ T72] netlink_unicast+0x449/0x710 [ 6059.698774][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.698774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.698774][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.698774][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.698774][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.698774][ T72] [ 6059.701493][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6059.701493][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6059.701493][ T72] ipv6_find_idev+0x102/0x170 [ 6059.701493][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.701493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.701493][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.701493][ T72] netlink_unicast+0x449/0x710 [ 6059.701493][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.701493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.701493][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.701493][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.701493][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.701493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.701493][ T72] [ 6059.703556][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6059.703556][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6059.703556][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6059.703556][ T72] ipv6_find_idev+0x102/0x170 [ 6059.703556][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.703556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.703556][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.703556][ T72] netlink_unicast+0x449/0x710 [ 6059.703556][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.703556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.703556][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.703556][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.703556][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.703556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.703556][ T72] [ 6059.705825][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6059.706228][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6059.706228][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.706228][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.706228][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.706228][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6059.706228][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6059.706228][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6059.706228][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6059.706228][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6059.706228][ T72] addrconf_dad_begin+0x310/0x670 [ 6059.706228][ T72] addrconf_dad_work+0x10b/0xab0 [ 6059.706228][ T72] process_one_work+0x84d/0x18a0 [ 6059.706228][ T72] worker_thread+0x587/0xd30 [ 6059.706228][ T72] kthread+0x28a/0x350 [ 6059.706228][ T72] ret_from_fork+0x31/0x70 [ 6059.706228][ T72] ret_from_fork_asm+0x1a/0x30 [ 6059.706228][ T72] [ 6059.708751][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6059.708751][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.708751][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.708751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.708751][ T72] ip6_route_add+0x1c/0x140 [ 6059.708751][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6059.708751][ T72] inet6_addr_add+0x4f8/0xa40 [ 6059.708751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.708751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.708751][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.708751][ T72] netlink_unicast+0x449/0x710 [ 6059.708751][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.708751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.708751][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.708751][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.708751][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.708751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.708751][ T72] [ 6059.711441][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6059.711441][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.711441][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.711441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.711441][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6059.711441][ T72] ipv6_add_addr+0x411/0x2000 [ 6059.711441][ T72] inet6_addr_add+0x30e/0xa40 [ 6059.711441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.711441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.711441][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.711441][ T72] netlink_unicast+0x449/0x710 [ 6059.711441][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.711441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.711441][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.711441][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.711441][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.711441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.711441][ T72] [ 6059.714187][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6059.714187][ T72] netdev_get_by_index+0x5e/0x80 [ 6059.714187][ T72] fib6_nh_init+0x3d8/0x1580 [ 6059.714187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6059.714187][ T72] ip6_route_add+0x1c/0x140 [ 6059.714187][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6059.714187][ T72] addrconf_add_dev+0xe2/0x170 [ 6059.714187][ T72] inet6_addr_add+0x12f/0xa40 [ 6059.714187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.714187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.714187][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.714187][ T72] netlink_unicast+0x449/0x710 [ 6059.714187][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.714187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.714187][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.714187][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.714187][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.714187][ T72] [ 6059.716835][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6059.716835][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6059.716835][ T72] ipv6_find_idev+0x102/0x170 [ 6059.716835][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.716835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.716835][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.716835][ T72] netlink_unicast+0x449/0x710 [ 6059.716835][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.716835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.716835][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.716835][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.716835][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.716835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.716835][ T72] [ 6059.718903][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6059.718903][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6059.718903][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6059.718903][ T72] ipv6_find_idev+0x102/0x170 [ 6059.718903][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.718903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.718903][ T72] netlink_rcv_skb+0x130/0x360 [ 6059.718903][ T72] netlink_unicast+0x449/0x710 [ 6059.718903][ T72] netlink_sendmsg+0x723/0xbe0 [ 6059.718903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6059.718903][ T72] ___sys_sendmsg+0xee/0x170 [ 6059.718903][ T72] __sys_sendmsg+0xcd/0x170 [ 6059.718903][ T72] do_syscall_64+0xc6/0x1e0 [ 6059.718903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.718903][ T72] [ 6069.792959][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6069.793499][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6069.793499][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6069.793499][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6069.793499][ T72] fib6_nh_init+0xa22/0x1580 [ 6069.793499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.793499][ T72] ip6_route_add+0x1c/0x140 [ 6069.793499][ T72] inet6_rtm_newroute+0x104/0x110 [ 6069.793499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.793499][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.793499][ T72] netlink_unicast+0x449/0x710 [ 6069.793499][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.793499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.793499][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.793499][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.793499][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.793499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.793499][ T72] [ 6069.795774][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6069.795774][ T72] dst_init+0x84/0x4a0 [ 6069.795774][ T72] dst_alloc+0x97/0x150 [ 6069.795774][ T72] ip6_dst_alloc+0x23/0x90 [ 6069.795774][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6069.795774][ T72] ip6_pol_route+0x56f/0x840 [ 6069.795774][ T72] fib6_rule_lookup+0x456/0x630 [ 6069.795774][ T72] ip6_route_input+0x59c/0xa50 [ 6069.795774][ T72] ipv6_rcv+0x397/0x810 [ 6069.795774][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6069.795774][ T72] process_backlog+0x101/0x620 [ 6069.795774][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6069.795774][ T72] net_rx_action+0x495/0xbe0 [ 6069.795774][ T72] __do_softirq+0x1b5/0x7f6 [ 6069.795774][ T72] [ 6069.797714][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6069.797714][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.797714][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.797714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.797714][ T72] ip6_route_add+0x1c/0x140 [ 6069.797714][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6069.797714][ T72] inet6_addr_add+0x4f8/0xa40 [ 6069.797714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.797714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.797714][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.797714][ T72] netlink_unicast+0x449/0x710 [ 6069.797714][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.797714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.797714][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.797714][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.797714][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.797714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.797714][ T72] [ 6069.800131][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6069.800131][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.800131][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.800131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.800131][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6069.800131][ T72] ipv6_add_addr+0x411/0x2000 [ 6069.800131][ T72] inet6_addr_add+0x30e/0xa40 [ 6069.800131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.800131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.800131][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.800131][ T72] netlink_unicast+0x449/0x710 [ 6069.800131][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.800131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.800131][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.800131][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.800131][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.800131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.800131][ T72] [ 6069.802558][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6069.802558][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.802558][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.802558][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.802558][ T72] ip6_route_add+0x1c/0x140 [ 6069.802558][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6069.802558][ T72] addrconf_add_dev+0xe2/0x170 [ 6069.802558][ T72] inet6_addr_add+0x12f/0xa40 [ 6069.802558][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.802558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.802558][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.802558][ T72] netlink_unicast+0x449/0x710 [ 6069.802558][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.802558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.802558][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.802558][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.802558][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.802558][ T72] [ 6069.804956][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6069.804956][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6069.804956][ T72] ipv6_find_idev+0x102/0x170 [ 6069.804956][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.804956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.804956][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.804956][ T72] netlink_unicast+0x449/0x710 [ 6069.804956][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.804956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.804956][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.804956][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.804956][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.804956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.804956][ T72] [ 6069.806807][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6069.806807][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6069.806807][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6069.806807][ T72] ipv6_find_idev+0x102/0x170 [ 6069.806807][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.806807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.806807][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.806807][ T72] netlink_unicast+0x449/0x710 [ 6069.806807][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.806807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.806807][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.806807][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.806807][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.806807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.806807][ T72] [ 6069.808890][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6069.809220][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6069.809220][ T72] dst_init+0x84/0x4a0 [ 6069.809220][ T72] dst_alloc+0x97/0x150 [ 6069.809220][ T72] ip6_dst_alloc+0x23/0x90 [ 6069.809220][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6069.809220][ T72] ip6_pol_route+0x56f/0x840 [ 6069.809220][ T72] fib6_rule_lookup+0x456/0x630 [ 6069.809220][ T72] ip6_route_input+0x59c/0xa50 [ 6069.809220][ T72] ipv6_rcv+0x397/0x810 [ 6069.809220][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6069.809220][ T72] process_backlog+0x101/0x620 [ 6069.809220][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6069.809220][ T72] net_rx_action+0x495/0xbe0 [ 6069.809220][ T72] __do_softirq+0x1b5/0x7f6 [ 6069.809220][ T72] [ 6069.811239][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6069.811239][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.811239][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.811239][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.811239][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6069.811239][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6069.811239][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6069.811239][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6069.811239][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6069.811239][ T72] addrconf_dad_begin+0x310/0x670 [ 6069.811239][ T72] addrconf_dad_work+0x10b/0xab0 [ 6069.811239][ T72] process_one_work+0x84d/0x18a0 [ 6069.811239][ T72] worker_thread+0x587/0xd30 [ 6069.811239][ T72] kthread+0x28a/0x350 [ 6069.811239][ T72] ret_from_fork+0x31/0x70 [ 6069.811239][ T72] ret_from_fork_asm+0x1a/0x30 [ 6069.811239][ T72] [ 6069.813584][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6069.813584][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.813584][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.813584][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.813584][ T72] ip6_route_add+0x1c/0x140 [ 6069.813584][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6069.813584][ T72] inet6_addr_add+0x4f8/0xa40 [ 6069.813584][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.813584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.813584][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.813584][ T72] netlink_unicast+0x449/0x710 [ 6069.813584][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.813584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.813584][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.813584][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.813584][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.813584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.813584][ T72] [ 6069.816016][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6069.816016][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.816016][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.816016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.816016][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6069.816016][ T72] ipv6_add_addr+0x411/0x2000 [ 6069.816016][ T72] inet6_addr_add+0x30e/0xa40 [ 6069.816016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.816016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.816016][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.816016][ T72] netlink_unicast+0x449/0x710 [ 6069.816016][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.816016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.816016][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.816016][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.816016][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.816016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.816016][ T72] [ 6069.818479][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6069.818479][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.818479][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.818479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.818479][ T72] ip6_route_add+0x1c/0x140 [ 6069.818479][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6069.818479][ T72] addrconf_add_dev+0xe2/0x170 [ 6069.818479][ T72] inet6_addr_add+0x12f/0xa40 [ 6069.818479][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.818479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.818479][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.818479][ T72] netlink_unicast+0x449/0x710 [ 6069.818479][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.818479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.818479][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.818479][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.818479][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.818479][ T72] [ 6069.820880][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6069.820880][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6069.820880][ T72] ipv6_find_idev+0x102/0x170 [ 6069.820880][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.820880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.820880][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.820880][ T72] netlink_unicast+0x449/0x710 [ 6069.820880][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.820880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.820880][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.820880][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.820880][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.820880][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.820880][ T72] [ 6069.822743][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6069.822743][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6069.822743][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6069.822743][ T72] ipv6_find_idev+0x102/0x170 [ 6069.822743][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.822743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.822743][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.822743][ T72] netlink_unicast+0x449/0x710 [ 6069.822743][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.822743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.822743][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.822743][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.822743][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.822743][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.822743][ T72] [ 6069.824916][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6069.825237][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6069.825237][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6069.825237][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6069.825237][ T72] fib6_nh_init+0xa22/0x1580 [ 6069.825237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.825237][ T72] ip6_route_add+0x1c/0x140 [ 6069.825237][ T72] inet6_rtm_newroute+0x104/0x110 [ 6069.825237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.825237][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.825237][ T72] netlink_unicast+0x449/0x710 [ 6069.825237][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.825237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.825237][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.825237][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.825237][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.825237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.825237][ T72] [ 6069.827810][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6069.827810][ T72] dst_init+0x84/0x4a0 [ 6069.827810][ T72] dst_alloc+0x97/0x150 [ 6069.827810][ T72] ip6_dst_alloc+0x23/0x90 [ 6069.827810][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6069.827810][ T72] ip6_pol_route+0x56f/0x840 [ 6069.827810][ T72] fib6_rule_lookup+0x456/0x630 [ 6069.827810][ T72] ip6_route_input+0x59c/0xa50 [ 6069.827810][ T72] ipv6_rcv+0x397/0x810 [ 6069.827810][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6069.827810][ T72] process_backlog+0x101/0x620 [ 6069.827810][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6069.827810][ T72] net_rx_action+0x495/0xbe0 [ 6069.827810][ T72] __do_softirq+0x1b5/0x7f6 [ 6069.827810][ T72] [ 6069.829979][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6069.829979][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.829979][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.829979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.829979][ T72] ip6_route_add+0x1c/0x140 [ 6069.829979][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6069.829979][ T72] inet6_addr_add+0x4f8/0xa40 [ 6069.829979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.829979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.829979][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.829979][ T72] netlink_unicast+0x449/0x710 [ 6069.829979][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.829979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.829979][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.829979][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.829979][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.829979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.829979][ T72] [ 6069.832602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6069.832602][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.832602][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.832602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.832602][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6069.832602][ T72] ipv6_add_addr+0x411/0x2000 [ 6069.832602][ T72] inet6_addr_add+0x30e/0xa40 [ 6069.832602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.832602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.832602][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.832602][ T72] netlink_unicast+0x449/0x710 [ 6069.832602][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.832602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.832602][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.832602][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.832602][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.832602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.832602][ T72] [ 6069.835302][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6069.835302][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.835302][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.835302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.835302][ T72] ip6_route_add+0x1c/0x140 [ 6069.835302][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6069.835302][ T72] addrconf_add_dev+0xe2/0x170 [ 6069.835302][ T72] inet6_addr_add+0x12f/0xa40 [ 6069.835302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.835302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.835302][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.835302][ T72] netlink_unicast+0x449/0x710 [ 6069.835302][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.835302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.835302][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.835302][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.835302][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.835302][ T72] [ 6069.838002][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6069.838002][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6069.838002][ T72] ipv6_find_idev+0x102/0x170 [ 6069.838002][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.838002][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.838002][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.838002][ T72] netlink_unicast+0x449/0x710 [ 6069.838002][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.838002][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.838002][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.838002][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.838002][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.838002][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.838002][ T72] [ 6069.840060][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6069.840060][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6069.840060][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6069.840060][ T72] ipv6_find_idev+0x102/0x170 [ 6069.840060][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.840060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.840060][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.840060][ T72] netlink_unicast+0x449/0x710 [ 6069.840060][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.840060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.840060][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.840060][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.840060][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.840060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.840060][ T72] [ 6069.842301][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6069.842698][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6069.842698][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.842698][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.842698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.842698][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6069.842698][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6069.842698][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6069.842698][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6069.842698][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6069.842698][ T72] addrconf_dad_begin+0x310/0x670 [ 6069.842698][ T72] addrconf_dad_work+0x10b/0xab0 [ 6069.842698][ T72] process_one_work+0x84d/0x18a0 [ 6069.842698][ T72] worker_thread+0x587/0xd30 [ 6069.842698][ T72] kthread+0x28a/0x350 [ 6069.842698][ T72] ret_from_fork+0x31/0x70 [ 6069.842698][ T72] ret_from_fork_asm+0x1a/0x30 [ 6069.842698][ T72] [ 6069.845185][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6069.845185][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.845185][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.845185][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.845185][ T72] ip6_route_add+0x1c/0x140 [ 6069.845185][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6069.845185][ T72] inet6_addr_add+0x4f8/0xa40 [ 6069.845185][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.845185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.845185][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.845185][ T72] netlink_unicast+0x449/0x710 [ 6069.845185][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.845185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.845185][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.845185][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.845185][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.845185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.845185][ T72] [ 6069.847839][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6069.847839][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.847839][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.847839][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.847839][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6069.847839][ T72] ipv6_add_addr+0x411/0x2000 [ 6069.847839][ T72] inet6_addr_add+0x30e/0xa40 [ 6069.847839][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.847839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.847839][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.847839][ T72] netlink_unicast+0x449/0x710 [ 6069.847839][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.847839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.847839][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.847839][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.847839][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.847839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.847839][ T72] [ 6069.850571][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6069.850571][ T72] netdev_get_by_index+0x5e/0x80 [ 6069.850571][ T72] fib6_nh_init+0x3d8/0x1580 [ 6069.850571][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6069.850571][ T72] ip6_route_add+0x1c/0x140 [ 6069.850571][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6069.850571][ T72] addrconf_add_dev+0xe2/0x170 [ 6069.850571][ T72] inet6_addr_add+0x12f/0xa40 [ 6069.850571][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.850571][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.850571][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.850571][ T72] netlink_unicast+0x449/0x710 [ 6069.850571][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.850571][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.850571][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.850571][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.850571][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.850571][ T72] [ 6069.853209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6069.853209][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6069.853209][ T72] ipv6_find_idev+0x102/0x170 [ 6069.853209][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.853209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.853209][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.853209][ T72] netlink_unicast+0x449/0x710 [ 6069.853209][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.853209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.853209][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.853209][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.853209][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.853209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.853209][ T72] [ 6069.855244][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6069.855244][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6069.855244][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6069.855244][ T72] ipv6_find_idev+0x102/0x170 [ 6069.855244][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.855244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.855244][ T72] netlink_rcv_skb+0x130/0x360 [ 6069.855244][ T72] netlink_unicast+0x449/0x710 [ 6069.855244][ T72] netlink_sendmsg+0x723/0xbe0 [ 6069.855244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6069.855244][ T72] ___sys_sendmsg+0xee/0x170 [ 6069.855244][ T72] __sys_sendmsg+0xcd/0x170 [ 6069.855244][ T72] do_syscall_64+0xc6/0x1e0 [ 6069.855244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.855244][ T72] [ 6080.056907][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6080.057415][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6080.057415][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6080.057415][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6080.057415][ T72] fib6_nh_init+0xa22/0x1580 [ 6080.057415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.057415][ T72] ip6_route_add+0x1c/0x140 [ 6080.057415][ T72] inet6_rtm_newroute+0x104/0x110 [ 6080.057415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.057415][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.057415][ T72] netlink_unicast+0x449/0x710 [ 6080.057415][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.057415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.057415][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.057415][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.057415][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.057415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.057415][ T72] [ 6080.059539][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6080.059539][ T72] dst_init+0x84/0x4a0 [ 6080.059539][ T72] dst_alloc+0x97/0x150 [ 6080.059539][ T72] ip6_dst_alloc+0x23/0x90 [ 6080.059539][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6080.059539][ T72] ip6_pol_route+0x56f/0x840 [ 6080.059539][ T72] fib6_rule_lookup+0x456/0x630 [ 6080.059539][ T72] ip6_route_input+0x59c/0xa50 [ 6080.059539][ T72] ipv6_rcv+0x397/0x810 [ 6080.059539][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6080.059539][ T72] process_backlog+0x101/0x620 [ 6080.059539][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6080.059539][ T72] net_rx_action+0x495/0xbe0 [ 6080.059539][ T72] __do_softirq+0x1b5/0x7f6 [ 6080.059539][ T72] [ 6080.061405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6080.061405][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.061405][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.061405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.061405][ T72] ip6_route_add+0x1c/0x140 [ 6080.061405][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6080.061405][ T72] inet6_addr_add+0x4f8/0xa40 [ 6080.061405][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.061405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.061405][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.061405][ T72] netlink_unicast+0x449/0x710 [ 6080.061405][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.061405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.061405][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.061405][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.061405][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.061405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.061405][ T72] [ 6080.063660][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6080.063660][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.063660][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.063660][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.063660][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6080.063660][ T72] ipv6_add_addr+0x411/0x2000 [ 6080.063660][ T72] inet6_addr_add+0x30e/0xa40 [ 6080.063660][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.063660][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.063660][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.063660][ T72] netlink_unicast+0x449/0x710 [ 6080.063660][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.063660][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.063660][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.063660][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.063660][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.063660][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.063660][ T72] [ 6080.065899][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6080.065899][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.065899][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.065899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.065899][ T72] ip6_route_add+0x1c/0x140 [ 6080.065899][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.065899][ T72] addrconf_add_dev+0xe2/0x170 [ 6080.065899][ T72] inet6_addr_add+0x12f/0xa40 [ 6080.065899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.065899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.065899][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.065899][ T72] netlink_unicast+0x449/0x710 [ 6080.065899][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.065899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.065899][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.065899][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.065899][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.065899][ T72] [ 6080.068084][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6080.068084][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6080.068084][ T72] ipv6_find_idev+0x102/0x170 [ 6080.068084][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.068084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.068084][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.068084][ T72] netlink_unicast+0x449/0x710 [ 6080.068084][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.068084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.068084][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.068084][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.068084][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.068084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.068084][ T72] [ 6080.069772][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6080.069772][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6080.069772][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6080.069772][ T72] ipv6_find_idev+0x102/0x170 [ 6080.069772][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.069772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.069772][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.069772][ T72] netlink_unicast+0x449/0x710 [ 6080.069772][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.069772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.069772][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.069772][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.069772][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.069772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.069772][ T72] [ 6080.071664][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6080.071968][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6080.071968][ T72] dst_init+0x84/0x4a0 [ 6080.071968][ T72] dst_alloc+0x97/0x150 [ 6080.071968][ T72] ip6_dst_alloc+0x23/0x90 [ 6080.071968][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6080.071968][ T72] ip6_pol_route+0x56f/0x840 [ 6080.071968][ T72] fib6_rule_lookup+0x456/0x630 [ 6080.071968][ T72] ip6_route_input+0x59c/0xa50 [ 6080.071968][ T72] ipv6_rcv+0x397/0x810 [ 6080.071968][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6080.071968][ T72] process_backlog+0x101/0x620 [ 6080.071968][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6080.071968][ T72] net_rx_action+0x495/0xbe0 [ 6080.071968][ T72] __do_softirq+0x1b5/0x7f6 [ 6080.071968][ T72] [ 6080.073796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6080.073796][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.073796][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.073796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.073796][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6080.073796][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6080.073796][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6080.073796][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6080.073796][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6080.073796][ T72] addrconf_dad_begin+0x310/0x670 [ 6080.073796][ T72] addrconf_dad_work+0x10b/0xab0 [ 6080.073796][ T72] process_one_work+0x84d/0x18a0 [ 6080.073796][ T72] worker_thread+0x587/0xd30 [ 6080.073796][ T72] kthread+0x28a/0x350 [ 6080.073796][ T72] ret_from_fork+0x31/0x70 [ 6080.073796][ T72] ret_from_fork_asm+0x1a/0x30 [ 6080.073796][ T72] [ 6080.075924][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6080.075924][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.075924][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.075924][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.075924][ T72] ip6_route_add+0x1c/0x140 [ 6080.075924][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6080.075924][ T72] inet6_addr_add+0x4f8/0xa40 [ 6080.075924][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.075924][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.075924][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.075924][ T72] netlink_unicast+0x449/0x710 [ 6080.075924][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.075924][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.075924][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.075924][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.075924][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.075924][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.075924][ T72] [ 6080.078130][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6080.078130][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.078130][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.078130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.078130][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6080.078130][ T72] ipv6_add_addr+0x411/0x2000 [ 6080.078130][ T72] inet6_addr_add+0x30e/0xa40 [ 6080.078130][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.078130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.078130][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.078130][ T72] netlink_unicast+0x449/0x710 [ 6080.078130][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.078130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.078130][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.078130][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.078130][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.078130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.078130][ T72] [ 6080.080358][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6080.080358][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.080358][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.080358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.080358][ T72] ip6_route_add+0x1c/0x140 [ 6080.080358][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.080358][ T72] addrconf_add_dev+0xe2/0x170 [ 6080.080358][ T72] inet6_addr_add+0x12f/0xa40 [ 6080.080358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.080358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.080358][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.080358][ T72] netlink_unicast+0x449/0x710 [ 6080.080358][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.080358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.080358][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.080358][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.080358][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.080358][ T72] [ 6080.082526][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6080.082526][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6080.082526][ T72] ipv6_find_idev+0x102/0x170 [ 6080.082526][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.082526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.082526][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.082526][ T72] netlink_unicast+0x449/0x710 [ 6080.082526][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.082526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.082526][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.082526][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.082526][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.082526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.082526][ T72] [ 6080.084228][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6080.084228][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6080.084228][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6080.084228][ T72] ipv6_find_idev+0x102/0x170 [ 6080.084228][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.084228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.084228][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.084228][ T72] netlink_unicast+0x449/0x710 [ 6080.084228][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.084228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.084228][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.084228][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.084228][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.084228][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.084228][ T72] [ 6080.086150][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6080.086508][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6080.086508][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6080.086508][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6080.086508][ T72] fib6_nh_init+0xa22/0x1580 [ 6080.086508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.086508][ T72] ip6_route_add+0x1c/0x140 [ 6080.086508][ T72] inet6_rtm_newroute+0x104/0x110 [ 6080.086508][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.086508][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.086508][ T72] netlink_unicast+0x449/0x710 [ 6080.086508][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.086508][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.086508][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.086508][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.086508][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.086508][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.086508][ T72] [ 6080.088858][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6080.088858][ T72] dst_init+0x84/0x4a0 [ 6080.088858][ T72] dst_alloc+0x97/0x150 [ 6080.088858][ T72] ip6_dst_alloc+0x23/0x90 [ 6080.088858][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6080.088858][ T72] ip6_pol_route+0x56f/0x840 [ 6080.088858][ T72] fib6_rule_lookup+0x456/0x630 [ 6080.088858][ T72] ip6_route_input+0x59c/0xa50 [ 6080.088858][ T72] ipv6_rcv+0x397/0x810 [ 6080.088858][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6080.088858][ T72] process_backlog+0x101/0x620 [ 6080.088858][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6080.088858][ T72] net_rx_action+0x495/0xbe0 [ 6080.088858][ T72] __do_softirq+0x1b5/0x7f6 [ 6080.088858][ T72] [ 6080.090843][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6080.090843][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.090843][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.090843][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.090843][ T72] ip6_route_add+0x1c/0x140 [ 6080.090843][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6080.090843][ T72] inet6_addr_add+0x4f8/0xa40 [ 6080.090843][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.090843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.090843][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.090843][ T72] netlink_unicast+0x449/0x710 [ 6080.090843][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.090843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.090843][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.090843][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.090843][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.090843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.090843][ T72] [ 6080.093302][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6080.093302][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.093302][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.093302][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.093302][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6080.093302][ T72] ipv6_add_addr+0x411/0x2000 [ 6080.093302][ T72] inet6_addr_add+0x30e/0xa40 [ 6080.093302][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.093302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.093302][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.093302][ T72] netlink_unicast+0x449/0x710 [ 6080.093302][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.093302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.093302][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.093302][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.093302][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.093302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.093302][ T72] [ 6080.095751][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6080.095751][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.095751][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.095751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.095751][ T72] ip6_route_add+0x1c/0x140 [ 6080.095751][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.095751][ T72] addrconf_add_dev+0xe2/0x170 [ 6080.095751][ T72] inet6_addr_add+0x12f/0xa40 [ 6080.095751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.095751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.095751][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.095751][ T72] netlink_unicast+0x449/0x710 [ 6080.095751][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.095751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.095751][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.095751][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.095751][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.095751][ T72] [ 6080.098212][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6080.098212][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6080.098212][ T72] ipv6_find_idev+0x102/0x170 [ 6080.098212][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.098212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.098212][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.098212][ T72] netlink_unicast+0x449/0x710 [ 6080.098212][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.098212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.098212][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.098212][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.098212][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.098212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.098212][ T72] [ 6080.100108][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6080.100108][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6080.100108][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6080.100108][ T72] ipv6_find_idev+0x102/0x170 [ 6080.100108][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.100108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.100108][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.100108][ T72] netlink_unicast+0x449/0x710 [ 6080.100108][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.100108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.100108][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.100108][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.100108][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.100108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.100108][ T72] [ 6080.102142][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6080.102440][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6080.102440][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.102440][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.102440][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.102440][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6080.102440][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6080.102440][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6080.102440][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6080.102440][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6080.102440][ T72] addrconf_dad_begin+0x310/0x670 [ 6080.102440][ T72] addrconf_dad_work+0x10b/0xab0 [ 6080.102440][ T72] process_one_work+0x84d/0x18a0 [ 6080.102440][ T72] worker_thread+0x587/0xd30 [ 6080.102440][ T72] kthread+0x28a/0x350 [ 6080.102440][ T72] ret_from_fork+0x31/0x70 [ 6080.102440][ T72] ret_from_fork_asm+0x1a/0x30 [ 6080.102440][ T72] [ 6080.104799][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6080.104799][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.104799][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.104799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.104799][ T72] ip6_route_add+0x1c/0x140 [ 6080.104799][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6080.104799][ T72] inet6_addr_add+0x4f8/0xa40 [ 6080.104799][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.104799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.104799][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.104799][ T72] netlink_unicast+0x449/0x710 [ 6080.104799][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.104799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.104799][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.104799][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.104799][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.104799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.104799][ T72] [ 6080.107229][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6080.107229][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.107229][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.107229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.107229][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6080.107229][ T72] ipv6_add_addr+0x411/0x2000 [ 6080.107229][ T72] inet6_addr_add+0x30e/0xa40 [ 6080.107229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.107229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.107229][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.107229][ T72] netlink_unicast+0x449/0x710 [ 6080.107229][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.107229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.107229][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.107229][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.107229][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.107229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.107229][ T72] [ 6080.109750][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6080.109750][ T72] netdev_get_by_index+0x5e/0x80 [ 6080.109750][ T72] fib6_nh_init+0x3d8/0x1580 [ 6080.109750][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6080.109750][ T72] ip6_route_add+0x1c/0x140 [ 6080.109750][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.109750][ T72] addrconf_add_dev+0xe2/0x170 [ 6080.109750][ T72] inet6_addr_add+0x12f/0xa40 [ 6080.109750][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.109750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.109750][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.109750][ T72] netlink_unicast+0x449/0x710 [ 6080.109750][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.109750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.109750][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.109750][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.109750][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.109750][ T72] [ 6080.112708][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6080.112708][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6080.112708][ T72] ipv6_find_idev+0x102/0x170 [ 6080.112708][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.112708][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.112708][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.112708][ T72] netlink_unicast+0x449/0x710 [ 6080.112708][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.112708][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.112708][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.112708][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.112708][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.112708][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.112708][ T72] [ 6080.114518][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6080.114518][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6080.114518][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6080.114518][ T72] ipv6_find_idev+0x102/0x170 [ 6080.114518][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.114518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.114518][ T72] netlink_rcv_skb+0x130/0x360 [ 6080.114518][ T72] netlink_unicast+0x449/0x710 [ 6080.114518][ T72] netlink_sendmsg+0x723/0xbe0 [ 6080.114518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6080.114518][ T72] ___sys_sendmsg+0xee/0x170 [ 6080.114518][ T72] __sys_sendmsg+0xcd/0x170 [ 6080.114518][ T72] do_syscall_64+0xc6/0x1e0 [ 6080.114518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.114518][ T72] [ 6090.288950][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6090.289461][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6090.289461][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6090.289461][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6090.289461][ T72] fib6_nh_init+0xa22/0x1580 [ 6090.289461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.289461][ T72] ip6_route_add+0x1c/0x140 [ 6090.289461][ T72] inet6_rtm_newroute+0x104/0x110 [ 6090.289461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.289461][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.289461][ T72] netlink_unicast+0x449/0x710 [ 6090.289461][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.289461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.289461][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.289461][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.289461][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.289461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.289461][ T72] [ 6090.291589][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6090.291589][ T72] dst_init+0x84/0x4a0 [ 6090.291589][ T72] dst_alloc+0x97/0x150 [ 6090.291589][ T72] ip6_dst_alloc+0x23/0x90 [ 6090.291589][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6090.291589][ T72] ip6_pol_route+0x56f/0x840 [ 6090.291589][ T72] fib6_rule_lookup+0x456/0x630 [ 6090.291589][ T72] ip6_route_input+0x59c/0xa50 [ 6090.291589][ T72] ipv6_rcv+0x397/0x810 [ 6090.291589][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6090.291589][ T72] process_backlog+0x101/0x620 [ 6090.291589][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6090.291589][ T72] net_rx_action+0x495/0xbe0 [ 6090.291589][ T72] __do_softirq+0x1b5/0x7f6 [ 6090.291589][ T72] [ 6090.293371][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6090.293371][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.293371][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.293371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.293371][ T72] ip6_route_add+0x1c/0x140 [ 6090.293371][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6090.293371][ T72] inet6_addr_add+0x4f8/0xa40 [ 6090.293371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.293371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.293371][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.293371][ T72] netlink_unicast+0x449/0x710 [ 6090.293371][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.293371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.293371][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.293371][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.293371][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.293371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.293371][ T72] [ 6090.295601][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6090.295601][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.295601][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.295601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.295601][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6090.295601][ T72] ipv6_add_addr+0x411/0x2000 [ 6090.295601][ T72] inet6_addr_add+0x30e/0xa40 [ 6090.295601][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.295601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.295601][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.295601][ T72] netlink_unicast+0x449/0x710 [ 6090.295601][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.295601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.295601][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.295601][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.295601][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.295601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.295601][ T72] [ 6090.297795][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6090.297795][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.297795][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.297795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.297795][ T72] ip6_route_add+0x1c/0x140 [ 6090.297795][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.297795][ T72] addrconf_add_dev+0xe2/0x170 [ 6090.297795][ T72] inet6_addr_add+0x12f/0xa40 [ 6090.297795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.297795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.297795][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.297795][ T72] netlink_unicast+0x449/0x710 [ 6090.297795][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.297795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.297795][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.297795][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.297795][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.297795][ T72] [ 6090.299969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6090.299969][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6090.299969][ T72] ipv6_find_idev+0x102/0x170 [ 6090.299969][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.299969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.299969][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.299969][ T72] netlink_unicast+0x449/0x710 [ 6090.299969][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.299969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.299969][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.299969][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.299969][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.299969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.299969][ T72] [ 6090.301656][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6090.301656][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6090.301656][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6090.301656][ T72] ipv6_find_idev+0x102/0x170 [ 6090.301656][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.301656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.301656][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.301656][ T72] netlink_unicast+0x449/0x710 [ 6090.301656][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.301656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.301656][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.301656][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.301656][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.301656][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.301656][ T72] [ 6090.303507][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6090.303811][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6090.303811][ T72] dst_init+0x84/0x4a0 [ 6090.303811][ T72] dst_alloc+0x97/0x150 [ 6090.303811][ T72] ip6_dst_alloc+0x23/0x90 [ 6090.303811][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6090.303811][ T72] ip6_pol_route+0x56f/0x840 [ 6090.303811][ T72] fib6_rule_lookup+0x456/0x630 [ 6090.303811][ T72] ip6_route_input+0x59c/0xa50 [ 6090.303811][ T72] ipv6_rcv+0x397/0x810 [ 6090.303811][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6090.303811][ T72] process_backlog+0x101/0x620 [ 6090.303811][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6090.303811][ T72] net_rx_action+0x495/0xbe0 [ 6090.303811][ T72] __do_softirq+0x1b5/0x7f6 [ 6090.303811][ T72] [ 6090.305605][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6090.305605][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.305605][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.305605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.305605][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6090.305605][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6090.305605][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6090.305605][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6090.305605][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6090.305605][ T72] addrconf_dad_begin+0x310/0x670 [ 6090.305605][ T72] addrconf_dad_work+0x10b/0xab0 [ 6090.305605][ T72] process_one_work+0x84d/0x18a0 [ 6090.305605][ T72] worker_thread+0x587/0xd30 [ 6090.305605][ T72] kthread+0x28a/0x350 [ 6090.305605][ T72] ret_from_fork+0x31/0x70 [ 6090.305605][ T72] ret_from_fork_asm+0x1a/0x30 [ 6090.305605][ T72] [ 6090.307727][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6090.307727][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.307727][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.307727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.307727][ T72] ip6_route_add+0x1c/0x140 [ 6090.307727][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6090.307727][ T72] inet6_addr_add+0x4f8/0xa40 [ 6090.307727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.307727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.307727][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.307727][ T72] netlink_unicast+0x449/0x710 [ 6090.307727][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.307727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.307727][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.307727][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.307727][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.307727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.307727][ T72] [ 6090.309939][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6090.309939][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.309939][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.309939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.309939][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6090.309939][ T72] ipv6_add_addr+0x411/0x2000 [ 6090.309939][ T72] inet6_addr_add+0x30e/0xa40 [ 6090.309939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.309939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.309939][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.309939][ T72] netlink_unicast+0x449/0x710 [ 6090.309939][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.309939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.309939][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.309939][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.309939][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.309939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.309939][ T72] [ 6090.312139][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6090.312139][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.312139][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.312139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.312139][ T72] ip6_route_add+0x1c/0x140 [ 6090.312139][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.312139][ T72] addrconf_add_dev+0xe2/0x170 [ 6090.312139][ T72] inet6_addr_add+0x12f/0xa40 [ 6090.312139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.312139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.312139][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.312139][ T72] netlink_unicast+0x449/0x710 [ 6090.312139][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.312139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.312139][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.312139][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.312139][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.312139][ T72] [ 6090.314295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6090.314295][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6090.314295][ T72] ipv6_find_idev+0x102/0x170 [ 6090.314295][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.314295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.314295][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.314295][ T72] netlink_unicast+0x449/0x710 [ 6090.314295][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.314295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.314295][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.314295][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.314295][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.314295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.314295][ T72] [ 6090.315985][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6090.315985][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6090.315985][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6090.315985][ T72] ipv6_find_idev+0x102/0x170 [ 6090.315985][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.315985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.315985][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.315985][ T72] netlink_unicast+0x449/0x710 [ 6090.315985][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.315985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.315985][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.315985][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.315985][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.315985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.315985][ T72] [ 6090.317913][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6090.318272][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6090.318272][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6090.318272][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6090.318272][ T72] fib6_nh_init+0xa22/0x1580 [ 6090.318272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.318272][ T72] ip6_route_add+0x1c/0x140 [ 6090.318272][ T72] inet6_rtm_newroute+0x104/0x110 [ 6090.318272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.318272][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.318272][ T72] netlink_unicast+0x449/0x710 [ 6090.318272][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.318272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.318272][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.318272][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.318272][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.318272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.318272][ T72] [ 6090.320531][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6090.320531][ T72] dst_init+0x84/0x4a0 [ 6090.320531][ T72] dst_alloc+0x97/0x150 [ 6090.320531][ T72] ip6_dst_alloc+0x23/0x90 [ 6090.320531][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6090.320531][ T72] ip6_pol_route+0x56f/0x840 [ 6090.320531][ T72] fib6_rule_lookup+0x456/0x630 [ 6090.320531][ T72] ip6_route_input+0x59c/0xa50 [ 6090.320531][ T72] ipv6_rcv+0x397/0x810 [ 6090.320531][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6090.320531][ T72] process_backlog+0x101/0x620 [ 6090.320531][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6090.320531][ T72] net_rx_action+0x495/0xbe0 [ 6090.320531][ T72] __do_softirq+0x1b5/0x7f6 [ 6090.320531][ T72] [ 6090.322512][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6090.322512][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.322512][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.322512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.322512][ T72] ip6_route_add+0x1c/0x140 [ 6090.322512][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6090.322512][ T72] inet6_addr_add+0x4f8/0xa40 [ 6090.322512][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.322512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.322512][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.322512][ T72] netlink_unicast+0x449/0x710 [ 6090.322512][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.322512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.322512][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.322512][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.322512][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.322512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.322512][ T72] [ 6090.324955][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6090.324955][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.324955][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.324955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.324955][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6090.324955][ T72] ipv6_add_addr+0x411/0x2000 [ 6090.324955][ T72] inet6_addr_add+0x30e/0xa40 [ 6090.324955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.324955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.324955][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.324955][ T72] netlink_unicast+0x449/0x710 [ 6090.324955][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.324955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.324955][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.324955][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.324955][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.324955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.324955][ T72] [ 6090.327397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6090.327397][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.327397][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.327397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.327397][ T72] ip6_route_add+0x1c/0x140 [ 6090.327397][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.327397][ T72] addrconf_add_dev+0xe2/0x170 [ 6090.327397][ T72] inet6_addr_add+0x12f/0xa40 [ 6090.327397][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.327397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.327397][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.327397][ T72] netlink_unicast+0x449/0x710 [ 6090.327397][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.327397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.327397][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.327397][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.327397][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.327397][ T72] [ 6090.329805][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6090.329805][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6090.329805][ T72] ipv6_find_idev+0x102/0x170 [ 6090.329805][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.329805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.329805][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.329805][ T72] netlink_unicast+0x449/0x710 [ 6090.329805][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.329805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.329805][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.329805][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.329805][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.329805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.329805][ T72] [ 6090.331691][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6090.331691][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6090.331691][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6090.331691][ T72] ipv6_find_idev+0x102/0x170 [ 6090.331691][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.331691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.331691][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.331691][ T72] netlink_unicast+0x449/0x710 [ 6090.331691][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.331691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.331691][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.331691][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.331691][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.331691][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.331691][ T72] [ 6090.333721][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6090.334146][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6090.334146][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.334146][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.334146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.334146][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6090.334146][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6090.334146][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6090.334146][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6090.334146][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6090.334146][ T72] addrconf_dad_begin+0x310/0x670 [ 6090.334146][ T72] addrconf_dad_work+0x10b/0xab0 [ 6090.334146][ T72] process_one_work+0x84d/0x18a0 [ 6090.334146][ T72] worker_thread+0x587/0xd30 [ 6090.334146][ T72] kthread+0x28a/0x350 [ 6090.334146][ T72] ret_from_fork+0x31/0x70 [ 6090.334146][ T72] ret_from_fork_asm+0x1a/0x30 [ 6090.334146][ T72] [ 6090.336430][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6090.336430][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.336430][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.336430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.336430][ T72] ip6_route_add+0x1c/0x140 [ 6090.336430][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6090.336430][ T72] inet6_addr_add+0x4f8/0xa40 [ 6090.336430][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.336430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.336430][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.336430][ T72] netlink_unicast+0x449/0x710 [ 6090.336430][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.336430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.336430][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.336430][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.336430][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.336430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.336430][ T72] [ 6090.338811][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6090.338811][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.338811][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.338811][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.338811][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6090.338811][ T72] ipv6_add_addr+0x411/0x2000 [ 6090.338811][ T72] inet6_addr_add+0x30e/0xa40 [ 6090.338811][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.338811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.338811][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.338811][ T72] netlink_unicast+0x449/0x710 [ 6090.338811][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.338811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.338811][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.338811][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.338811][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.338811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.338811][ T72] [ 6090.341326][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6090.341326][ T72] netdev_get_by_index+0x5e/0x80 [ 6090.341326][ T72] fib6_nh_init+0x3d8/0x1580 [ 6090.341326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6090.341326][ T72] ip6_route_add+0x1c/0x140 [ 6090.341326][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.341326][ T72] addrconf_add_dev+0xe2/0x170 [ 6090.341326][ T72] inet6_addr_add+0x12f/0xa40 [ 6090.341326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.341326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.341326][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.341326][ T72] netlink_unicast+0x449/0x710 [ 6090.341326][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.341326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.341326][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.341326][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.341326][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.341326][ T72] [ 6090.343730][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6090.343730][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6090.343730][ T72] ipv6_find_idev+0x102/0x170 [ 6090.343730][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.343730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.343730][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.343730][ T72] netlink_unicast+0x449/0x710 [ 6090.343730][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.343730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.343730][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.343730][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.343730][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.343730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.343730][ T72] [ 6090.345609][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6090.345609][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6090.345609][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6090.345609][ T72] ipv6_find_idev+0x102/0x170 [ 6090.345609][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.345609][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.345609][ T72] netlink_rcv_skb+0x130/0x360 [ 6090.345609][ T72] netlink_unicast+0x449/0x710 [ 6090.345609][ T72] netlink_sendmsg+0x723/0xbe0 [ 6090.345609][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6090.345609][ T72] ___sys_sendmsg+0xee/0x170 [ 6090.345609][ T72] __sys_sendmsg+0xcd/0x170 [ 6090.345609][ T72] do_syscall_64+0xc6/0x1e0 [ 6090.345609][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.345609][ T72] [ 6100.424970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6100.425677][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6100.425677][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6100.425677][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6100.425677][ T72] fib6_nh_init+0xa22/0x1580 [ 6100.425677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.425677][ T72] ip6_route_add+0x1c/0x140 [ 6100.425677][ T72] inet6_rtm_newroute+0x104/0x110 [ 6100.425677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.425677][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.425677][ T72] netlink_unicast+0x449/0x710 [ 6100.425677][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.425677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.425677][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.425677][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.425677][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.425677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.425677][ T72] [ 6100.427752][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6100.427752][ T72] dst_init+0x84/0x4a0 [ 6100.427752][ T72] dst_alloc+0x97/0x150 [ 6100.427752][ T72] ip6_dst_alloc+0x23/0x90 [ 6100.427752][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6100.427752][ T72] ip6_pol_route+0x56f/0x840 [ 6100.427752][ T72] fib6_rule_lookup+0x456/0x630 [ 6100.427752][ T72] ip6_route_input+0x59c/0xa50 [ 6100.427752][ T72] ipv6_rcv+0x397/0x810 [ 6100.427752][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6100.427752][ T72] process_backlog+0x101/0x620 [ 6100.427752][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6100.427752][ T72] net_rx_action+0x495/0xbe0 [ 6100.427752][ T72] __do_softirq+0x1b5/0x7f6 [ 6100.427752][ T72] [ 6100.429526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6100.429526][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.429526][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.429526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.429526][ T72] ip6_route_add+0x1c/0x140 [ 6100.429526][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6100.429526][ T72] inet6_addr_add+0x4f8/0xa40 [ 6100.429526][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.429526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.429526][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.429526][ T72] netlink_unicast+0x449/0x710 [ 6100.429526][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.429526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.429526][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.429526][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.429526][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.429526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.429526][ T72] [ 6100.431919][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6100.431919][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.431919][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.431919][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.431919][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6100.431919][ T72] ipv6_add_addr+0x411/0x2000 [ 6100.431919][ T72] inet6_addr_add+0x30e/0xa40 [ 6100.431919][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.431919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.431919][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.431919][ T72] netlink_unicast+0x449/0x710 [ 6100.431919][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.431919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.431919][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.431919][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.431919][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.431919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.431919][ T72] [ 6100.434296][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6100.434296][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.434296][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.434296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.434296][ T72] ip6_route_add+0x1c/0x140 [ 6100.434296][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6100.434296][ T72] addrconf_add_dev+0xe2/0x170 [ 6100.434296][ T72] inet6_addr_add+0x12f/0xa40 [ 6100.434296][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.434296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.434296][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.434296][ T72] netlink_unicast+0x449/0x710 [ 6100.434296][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.434296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.434296][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.434296][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.434296][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.434296][ T72] [ 6100.436722][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6100.436722][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6100.436722][ T72] ipv6_find_idev+0x102/0x170 [ 6100.436722][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.436722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.436722][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.436722][ T72] netlink_unicast+0x449/0x710 [ 6100.436722][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.436722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.436722][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.436722][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.436722][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.436722][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.436722][ T72] [ 6100.438622][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6100.438622][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6100.438622][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6100.438622][ T72] ipv6_find_idev+0x102/0x170 [ 6100.438622][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.438622][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.438622][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.438622][ T72] netlink_unicast+0x449/0x710 [ 6100.438622][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.438622][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.438622][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.438622][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.438622][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.438622][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.438622][ T72] [ 6100.440534][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6100.440830][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6100.440830][ T72] dst_init+0x84/0x4a0 [ 6100.440830][ T72] dst_alloc+0x97/0x150 [ 6100.440830][ T72] ip6_dst_alloc+0x23/0x90 [ 6100.440830][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6100.440830][ T72] ip6_pol_route+0x56f/0x840 [ 6100.440830][ T72] fib6_rule_lookup+0x456/0x630 [ 6100.440830][ T72] ip6_route_input+0x59c/0xa50 [ 6100.440830][ T72] ipv6_rcv+0x397/0x810 [ 6100.440830][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6100.440830][ T72] process_backlog+0x101/0x620 [ 6100.440830][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6100.440830][ T72] net_rx_action+0x495/0xbe0 [ 6100.440830][ T72] __do_softirq+0x1b5/0x7f6 [ 6100.440830][ T72] [ 6100.442649][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6100.442649][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.442649][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.442649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.442649][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6100.442649][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6100.442649][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6100.442649][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6100.442649][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6100.442649][ T72] addrconf_dad_begin+0x310/0x670 [ 6100.442649][ T72] addrconf_dad_work+0x10b/0xab0 [ 6100.442649][ T72] process_one_work+0x84d/0x18a0 [ 6100.442649][ T72] worker_thread+0x587/0xd30 [ 6100.442649][ T72] kthread+0x28a/0x350 [ 6100.442649][ T72] ret_from_fork+0x31/0x70 [ 6100.442649][ T72] ret_from_fork_asm+0x1a/0x30 [ 6100.442649][ T72] [ 6100.444753][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6100.444753][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.444753][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.444753][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.444753][ T72] ip6_route_add+0x1c/0x140 [ 6100.444753][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6100.444753][ T72] inet6_addr_add+0x4f8/0xa40 [ 6100.444753][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.444753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.444753][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.444753][ T72] netlink_unicast+0x449/0x710 [ 6100.444753][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.444753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.444753][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.444753][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.444753][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.444753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.444753][ T72] [ 6100.446913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6100.446913][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.446913][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.446913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.446913][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6100.446913][ T72] ipv6_add_addr+0x411/0x2000 [ 6100.446913][ T72] inet6_addr_add+0x30e/0xa40 [ 6100.446913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.446913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.446913][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.446913][ T72] netlink_unicast+0x449/0x710 [ 6100.446913][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.446913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.446913][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.446913][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.446913][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.446913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.446913][ T72] [ 6100.449113][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6100.449113][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.449113][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.449113][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.449113][ T72] ip6_route_add+0x1c/0x140 [ 6100.449113][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6100.449113][ T72] addrconf_add_dev+0xe2/0x170 [ 6100.449113][ T72] inet6_addr_add+0x12f/0xa40 [ 6100.449113][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.449113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.449113][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.449113][ T72] netlink_unicast+0x449/0x710 [ 6100.449113][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.449113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.449113][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.449113][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.449113][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.449113][ T72] [ 6100.451310][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6100.451310][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6100.451310][ T72] ipv6_find_idev+0x102/0x170 [ 6100.451310][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.451310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.451310][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.451310][ T72] netlink_unicast+0x449/0x710 [ 6100.451310][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.451310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.451310][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.451310][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.451310][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.451310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.451310][ T72] [ 6100.452961][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6100.452961][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6100.452961][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6100.452961][ T72] ipv6_find_idev+0x102/0x170 [ 6100.452961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.452961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.452961][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.452961][ T72] netlink_unicast+0x449/0x710 [ 6100.452961][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.452961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.452961][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.452961][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.452961][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.452961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.452961][ T72] [ 6100.454838][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6100.455227][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6100.455227][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6100.455227][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6100.455227][ T72] fib6_nh_init+0xa22/0x1580 [ 6100.455227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.455227][ T72] ip6_route_add+0x1c/0x140 [ 6100.455227][ T72] inet6_rtm_newroute+0x104/0x110 [ 6100.455227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.455227][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.455227][ T72] netlink_unicast+0x449/0x710 [ 6100.455227][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.455227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.455227][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.455227][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.455227][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.455227][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.455227][ T72] [ 6100.457476][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6100.457476][ T72] dst_init+0x84/0x4a0 [ 6100.457476][ T72] dst_alloc+0x97/0x150 [ 6100.457476][ T72] ip6_dst_alloc+0x23/0x90 [ 6100.457476][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6100.457476][ T72] ip6_pol_route+0x56f/0x840 [ 6100.457476][ T72] fib6_rule_lookup+0x456/0x630 [ 6100.457476][ T72] ip6_route_input+0x59c/0xa50 [ 6100.457476][ T72] ipv6_rcv+0x397/0x810 [ 6100.457476][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6100.457476][ T72] process_backlog+0x101/0x620 [ 6100.457476][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6100.457476][ T72] net_rx_action+0x495/0xbe0 [ 6100.457476][ T72] __do_softirq+0x1b5/0x7f6 [ 6100.457476][ T72] [ 6100.459458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6100.459458][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.459458][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.459458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.459458][ T72] ip6_route_add+0x1c/0x140 [ 6100.459458][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6100.459458][ T72] inet6_addr_add+0x4f8/0xa40 [ 6100.459458][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.459458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.459458][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.459458][ T72] netlink_unicast+0x449/0x710 [ 6100.459458][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.459458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.459458][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.459458][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.459458][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.459458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.459458][ T72] [ 6100.462482][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6100.462482][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.462482][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.462482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.462482][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6100.462482][ T72] ipv6_add_addr+0x411/0x2000 [ 6100.462482][ T72] inet6_addr_add+0x30e/0xa40 [ 6100.462482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.462482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.462482][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.462482][ T72] netlink_unicast+0x449/0x710 [ 6100.462482][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.462482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.462482][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.462482][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.462482][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.462482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.462482][ T72] [ 6100.464926][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6100.464926][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.464926][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.464926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.464926][ T72] ip6_route_add+0x1c/0x140 [ 6100.464926][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6100.464926][ T72] addrconf_add_dev+0xe2/0x170 [ 6100.464926][ T72] inet6_addr_add+0x12f/0xa40 [ 6100.464926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.464926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.464926][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.464926][ T72] netlink_unicast+0x449/0x710 [ 6100.464926][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.464926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.464926][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.464926][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.464926][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.464926][ T72] [ 6100.467334][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6100.467334][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6100.467334][ T72] ipv6_find_idev+0x102/0x170 [ 6100.467334][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.467334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.467334][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.467334][ T72] netlink_unicast+0x449/0x710 [ 6100.467334][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.467334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.467334][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.467334][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.467334][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.467334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.467334][ T72] [ 6100.469220][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6100.469220][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6100.469220][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6100.469220][ T72] ipv6_find_idev+0x102/0x170 [ 6100.469220][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.469220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.469220][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.469220][ T72] netlink_unicast+0x449/0x710 [ 6100.469220][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.469220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.469220][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.469220][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.469220][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.469220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.469220][ T72] [ 6100.471265][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6100.471565][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6100.471565][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.471565][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.471565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.471565][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6100.471565][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6100.471565][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6100.471565][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6100.471565][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6100.471565][ T72] addrconf_dad_begin+0x310/0x670 [ 6100.471565][ T72] addrconf_dad_work+0x10b/0xab0 [ 6100.471565][ T72] process_one_work+0x84d/0x18a0 [ 6100.471565][ T72] worker_thread+0x587/0xd30 [ 6100.471565][ T72] kthread+0x28a/0x350 [ 6100.471565][ T72] ret_from_fork+0x31/0x70 [ 6100.471565][ T72] ret_from_fork_asm+0x1a/0x30 [ 6100.471565][ T72] [ 6100.473977][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6100.473977][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.473977][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.473977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.473977][ T72] ip6_route_add+0x1c/0x140 [ 6100.473977][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6100.473977][ T72] inet6_addr_add+0x4f8/0xa40 [ 6100.473977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.473977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.473977][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.473977][ T72] netlink_unicast+0x449/0x710 [ 6100.473977][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.473977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.473977][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.473977][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.473977][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.473977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.473977][ T72] [ 6100.476388][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6100.476388][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.476388][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.476388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.476388][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6100.476388][ T72] ipv6_add_addr+0x411/0x2000 [ 6100.476388][ T72] inet6_addr_add+0x30e/0xa40 [ 6100.476388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.476388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.476388][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.476388][ T72] netlink_unicast+0x449/0x710 [ 6100.476388][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.476388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.476388][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.476388][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.476388][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.476388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.476388][ T72] [ 6100.478863][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6100.478863][ T72] netdev_get_by_index+0x5e/0x80 [ 6100.478863][ T72] fib6_nh_init+0x3d8/0x1580 [ 6100.478863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6100.478863][ T72] ip6_route_add+0x1c/0x140 [ 6100.478863][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6100.478863][ T72] addrconf_add_dev+0xe2/0x170 [ 6100.478863][ T72] inet6_addr_add+0x12f/0xa40 [ 6100.478863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.478863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.478863][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.478863][ T72] netlink_unicast+0x449/0x710 [ 6100.478863][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.478863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.478863][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.478863][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.478863][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.478863][ T72] [ 6100.511981][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6100.511981][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6100.511981][ T72] ipv6_find_idev+0x102/0x170 [ 6100.511981][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.511981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.511981][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.511981][ T72] netlink_unicast+0x449/0x710 [ 6100.511981][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.511981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.511981][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.511981][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.511981][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.511981][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.511981][ T72] [ 6100.513847][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6100.513847][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6100.513847][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6100.513847][ T72] ipv6_find_idev+0x102/0x170 [ 6100.513847][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.513847][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.513847][ T72] netlink_rcv_skb+0x130/0x360 [ 6100.513847][ T72] netlink_unicast+0x449/0x710 [ 6100.513847][ T72] netlink_sendmsg+0x723/0xbe0 [ 6100.513847][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6100.513847][ T72] ___sys_sendmsg+0xee/0x170 [ 6100.513847][ T72] __sys_sendmsg+0xcd/0x170 [ 6100.513847][ T72] do_syscall_64+0xc6/0x1e0 [ 6100.513847][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.513847][ T72] [ 6110.608962][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6110.609482][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6110.609482][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6110.609482][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6110.609482][ T72] fib6_nh_init+0xa22/0x1580 [ 6110.609482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.609482][ T72] ip6_route_add+0x1c/0x140 [ 6110.609482][ T72] inet6_rtm_newroute+0x104/0x110 [ 6110.609482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.609482][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.609482][ T72] netlink_unicast+0x449/0x710 [ 6110.609482][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.609482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.609482][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.609482][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.609482][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.609482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.609482][ T72] [ 6110.611611][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6110.611611][ T72] dst_init+0x84/0x4a0 [ 6110.611611][ T72] dst_alloc+0x97/0x150 [ 6110.611611][ T72] ip6_dst_alloc+0x23/0x90 [ 6110.611611][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6110.611611][ T72] ip6_pol_route+0x56f/0x840 [ 6110.611611][ T72] fib6_rule_lookup+0x456/0x630 [ 6110.611611][ T72] ip6_route_input+0x59c/0xa50 [ 6110.611611][ T72] ipv6_rcv+0x397/0x810 [ 6110.611611][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6110.611611][ T72] process_backlog+0x101/0x620 [ 6110.611611][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6110.611611][ T72] net_rx_action+0x495/0xbe0 [ 6110.611611][ T72] __do_softirq+0x1b5/0x7f6 [ 6110.611611][ T72] [ 6110.613420][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6110.613420][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.613420][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.613420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.613420][ T72] ip6_route_add+0x1c/0x140 [ 6110.613420][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6110.613420][ T72] inet6_addr_add+0x4f8/0xa40 [ 6110.613420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.613420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.613420][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.613420][ T72] netlink_unicast+0x449/0x710 [ 6110.613420][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.613420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.613420][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.613420][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.613420][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.613420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.613420][ T72] [ 6110.615618][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6110.615618][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.615618][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.615618][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.615618][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6110.615618][ T72] ipv6_add_addr+0x411/0x2000 [ 6110.615618][ T72] inet6_addr_add+0x30e/0xa40 [ 6110.615618][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.615618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.615618][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.615618][ T72] netlink_unicast+0x449/0x710 [ 6110.615618][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.615618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.615618][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.615618][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.615618][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.615618][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.615618][ T72] [ 6110.617828][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6110.617828][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.617828][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.617828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.617828][ T72] ip6_route_add+0x1c/0x140 [ 6110.617828][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6110.617828][ T72] addrconf_add_dev+0xe2/0x170 [ 6110.617828][ T72] inet6_addr_add+0x12f/0xa40 [ 6110.617828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.617828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.617828][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.617828][ T72] netlink_unicast+0x449/0x710 [ 6110.617828][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.617828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.617828][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.617828][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.617828][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.617828][ T72] [ 6110.619977][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6110.619977][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6110.619977][ T72] ipv6_find_idev+0x102/0x170 [ 6110.619977][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.619977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.619977][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.619977][ T72] netlink_unicast+0x449/0x710 [ 6110.619977][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.619977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.619977][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.619977][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.619977][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.619977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.619977][ T72] [ 6110.621678][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6110.621678][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6110.621678][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6110.621678][ T72] ipv6_find_idev+0x102/0x170 [ 6110.621678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.621678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.621678][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.621678][ T72] netlink_unicast+0x449/0x710 [ 6110.621678][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.621678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.621678][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.621678][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.621678][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.621678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.621678][ T72] [ 6110.623553][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6110.623856][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6110.623856][ T72] dst_init+0x84/0x4a0 [ 6110.623856][ T72] dst_alloc+0x97/0x150 [ 6110.623856][ T72] ip6_dst_alloc+0x23/0x90 [ 6110.623856][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6110.623856][ T72] ip6_pol_route+0x56f/0x840 [ 6110.623856][ T72] fib6_rule_lookup+0x456/0x630 [ 6110.623856][ T72] ip6_route_input+0x59c/0xa50 [ 6110.623856][ T72] ipv6_rcv+0x397/0x810 [ 6110.623856][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6110.623856][ T72] process_backlog+0x101/0x620 [ 6110.623856][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6110.623856][ T72] net_rx_action+0x495/0xbe0 [ 6110.623856][ T72] __do_softirq+0x1b5/0x7f6 [ 6110.623856][ T72] [ 6110.625666][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6110.625666][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.625666][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.625666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.625666][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6110.625666][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6110.625666][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6110.625666][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6110.625666][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6110.625666][ T72] addrconf_dad_begin+0x310/0x670 [ 6110.625666][ T72] addrconf_dad_work+0x10b/0xab0 [ 6110.625666][ T72] process_one_work+0x84d/0x18a0 [ 6110.625666][ T72] worker_thread+0x587/0xd30 [ 6110.625666][ T72] kthread+0x28a/0x350 [ 6110.625666][ T72] ret_from_fork+0x31/0x70 [ 6110.625666][ T72] ret_from_fork_asm+0x1a/0x30 [ 6110.625666][ T72] [ 6110.627785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6110.627785][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.627785][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.627785][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.627785][ T72] ip6_route_add+0x1c/0x140 [ 6110.627785][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6110.627785][ T72] inet6_addr_add+0x4f8/0xa40 [ 6110.627785][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.627785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.627785][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.627785][ T72] netlink_unicast+0x449/0x710 [ 6110.627785][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.627785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.627785][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.627785][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.627785][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.627785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.627785][ T72] [ 6110.629998][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6110.629998][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.629998][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.629998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.629998][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6110.629998][ T72] ipv6_add_addr+0x411/0x2000 [ 6110.629998][ T72] inet6_addr_add+0x30e/0xa40 [ 6110.629998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.629998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.629998][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.629998][ T72] netlink_unicast+0x449/0x710 [ 6110.629998][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.629998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.629998][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.629998][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.629998][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.629998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.629998][ T72] [ 6110.632208][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6110.632208][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.632208][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.632208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.632208][ T72] ip6_route_add+0x1c/0x140 [ 6110.632208][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6110.632208][ T72] addrconf_add_dev+0xe2/0x170 [ 6110.632208][ T72] inet6_addr_add+0x12f/0xa40 [ 6110.632208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.632208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.632208][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.632208][ T72] netlink_unicast+0x449/0x710 [ 6110.632208][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.632208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.632208][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.632208][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.632208][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.632208][ T72] [ 6110.634373][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6110.634373][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6110.634373][ T72] ipv6_find_idev+0x102/0x170 [ 6110.634373][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.634373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.634373][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.634373][ T72] netlink_unicast+0x449/0x710 [ 6110.634373][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.634373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.634373][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.634373][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.634373][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.634373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.634373][ T72] [ 6110.636078][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6110.636078][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6110.636078][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6110.636078][ T72] ipv6_find_idev+0x102/0x170 [ 6110.636078][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.636078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.636078][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.636078][ T72] netlink_unicast+0x449/0x710 [ 6110.636078][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.636078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.636078][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.636078][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.636078][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.636078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.636078][ T72] [ 6110.638004][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6110.638361][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6110.638361][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6110.638361][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6110.638361][ T72] fib6_nh_init+0xa22/0x1580 [ 6110.638361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.638361][ T72] ip6_route_add+0x1c/0x140 [ 6110.638361][ T72] inet6_rtm_newroute+0x104/0x110 [ 6110.638361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.638361][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.638361][ T72] netlink_unicast+0x449/0x710 [ 6110.638361][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.638361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.638361][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.638361][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.638361][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.638361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.638361][ T72] [ 6110.640701][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6110.640701][ T72] dst_init+0x84/0x4a0 [ 6110.640701][ T72] dst_alloc+0x97/0x150 [ 6110.640701][ T72] ip6_dst_alloc+0x23/0x90 [ 6110.640701][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6110.640701][ T72] ip6_pol_route+0x56f/0x840 [ 6110.640701][ T72] fib6_rule_lookup+0x456/0x630 [ 6110.640701][ T72] ip6_route_input+0x59c/0xa50 [ 6110.640701][ T72] ipv6_rcv+0x397/0x810 [ 6110.640701][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6110.640701][ T72] process_backlog+0x101/0x620 [ 6110.640701][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6110.640701][ T72] net_rx_action+0x495/0xbe0 [ 6110.640701][ T72] __do_softirq+0x1b5/0x7f6 [ 6110.640701][ T72] [ 6110.642693][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6110.642693][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.642693][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.642693][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.642693][ T72] ip6_route_add+0x1c/0x140 [ 6110.642693][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6110.642693][ T72] inet6_addr_add+0x4f8/0xa40 [ 6110.642693][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.642693][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.642693][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.642693][ T72] netlink_unicast+0x449/0x710 [ 6110.642693][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.642693][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.642693][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.642693][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.642693][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.642693][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.642693][ T72] [ 6110.645156][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6110.645156][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.645156][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.645156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.645156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6110.645156][ T72] ipv6_add_addr+0x411/0x2000 [ 6110.645156][ T72] inet6_addr_add+0x30e/0xa40 [ 6110.645156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.645156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.645156][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.645156][ T72] netlink_unicast+0x449/0x710 [ 6110.645156][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.645156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.645156][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.645156][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.645156][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.645156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.645156][ T72] [ 6110.647605][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6110.647605][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.647605][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.647605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.647605][ T72] ip6_route_add+0x1c/0x140 [ 6110.647605][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6110.647605][ T72] addrconf_add_dev+0xe2/0x170 [ 6110.647605][ T72] inet6_addr_add+0x12f/0xa40 [ 6110.647605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.647605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.647605][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.647605][ T72] netlink_unicast+0x449/0x710 [ 6110.647605][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.647605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.647605][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.647605][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.647605][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.647605][ T72] [ 6110.650086][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6110.650086][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6110.650086][ T72] ipv6_find_idev+0x102/0x170 [ 6110.650086][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.650086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.650086][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.650086][ T72] netlink_unicast+0x449/0x710 [ 6110.650086][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.650086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.650086][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.650086][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.650086][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.650086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.650086][ T72] [ 6110.651961][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6110.651961][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6110.651961][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6110.651961][ T72] ipv6_find_idev+0x102/0x170 [ 6110.651961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.651961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.651961][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.651961][ T72] netlink_unicast+0x449/0x710 [ 6110.651961][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.651961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.651961][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.651961][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.651961][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.651961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.651961][ T72] [ 6110.654002][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6110.654301][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6110.654301][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.654301][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.654301][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.654301][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6110.654301][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6110.654301][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6110.654301][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6110.654301][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6110.654301][ T72] addrconf_dad_begin+0x310/0x670 [ 6110.654301][ T72] addrconf_dad_work+0x10b/0xab0 [ 6110.654301][ T72] process_one_work+0x84d/0x18a0 [ 6110.654301][ T72] worker_thread+0x587/0xd30 [ 6110.654301][ T72] kthread+0x28a/0x350 [ 6110.654301][ T72] ret_from_fork+0x31/0x70 [ 6110.654301][ T72] ret_from_fork_asm+0x1a/0x30 [ 6110.654301][ T72] [ 6110.656680][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6110.656680][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.656680][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.656680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.656680][ T72] ip6_route_add+0x1c/0x140 [ 6110.656680][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6110.656680][ T72] inet6_addr_add+0x4f8/0xa40 [ 6110.656680][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.656680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.656680][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.656680][ T72] netlink_unicast+0x449/0x710 [ 6110.656680][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.656680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.656680][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.656680][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.656680][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.656680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.656680][ T72] [ 6110.659136][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6110.659136][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.659136][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.659136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.659136][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6110.659136][ T72] ipv6_add_addr+0x411/0x2000 [ 6110.659136][ T72] inet6_addr_add+0x30e/0xa40 [ 6110.659136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.659136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.659136][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.659136][ T72] netlink_unicast+0x449/0x710 [ 6110.659136][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.659136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.659136][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.659136][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.659136][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.659136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.659136][ T72] [ 6110.661671][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6110.661671][ T72] netdev_get_by_index+0x5e/0x80 [ 6110.661671][ T72] fib6_nh_init+0x3d8/0x1580 [ 6110.661671][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6110.661671][ T72] ip6_route_add+0x1c/0x140 [ 6110.661671][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6110.661671][ T72] addrconf_add_dev+0xe2/0x170 [ 6110.661671][ T72] inet6_addr_add+0x12f/0xa40 [ 6110.661671][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.661671][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.661671][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.661671][ T72] netlink_unicast+0x449/0x710 [ 6110.661671][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.661671][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.661671][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.661671][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.661671][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.661671][ T72] [ 6110.664084][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6110.664084][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6110.664084][ T72] ipv6_find_idev+0x102/0x170 [ 6110.664084][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.664084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.664084][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.664084][ T72] netlink_unicast+0x449/0x710 [ 6110.664084][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.664084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.664084][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.664084][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.664084][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.664084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.664084][ T72] [ 6110.665913][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6110.665913][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6110.665913][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6110.665913][ T72] ipv6_find_idev+0x102/0x170 [ 6110.665913][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.665913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.665913][ T72] netlink_rcv_skb+0x130/0x360 [ 6110.665913][ T72] netlink_unicast+0x449/0x710 [ 6110.665913][ T72] netlink_sendmsg+0x723/0xbe0 [ 6110.665913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6110.665913][ T72] ___sys_sendmsg+0xee/0x170 [ 6110.665913][ T72] __sys_sendmsg+0xcd/0x170 [ 6110.665913][ T72] do_syscall_64+0xc6/0x1e0 [ 6110.665913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.665913][ T72] [ 6120.904957][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6120.905474][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6120.905474][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6120.905474][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6120.905474][ T72] fib6_nh_init+0xa22/0x1580 [ 6120.905474][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.905474][ T72] ip6_route_add+0x1c/0x140 [ 6120.905474][ T72] inet6_rtm_newroute+0x104/0x110 [ 6120.905474][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.905474][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.905474][ T72] netlink_unicast+0x449/0x710 [ 6120.905474][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.905474][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.905474][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.905474][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.905474][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.905474][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.905474][ T72] [ 6120.907566][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6120.907566][ T72] dst_init+0x84/0x4a0 [ 6120.907566][ T72] dst_alloc+0x97/0x150 [ 6120.907566][ T72] ip6_dst_alloc+0x23/0x90 [ 6120.907566][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6120.907566][ T72] ip6_pol_route+0x56f/0x840 [ 6120.907566][ T72] fib6_rule_lookup+0x456/0x630 [ 6120.907566][ T72] ip6_route_input+0x59c/0xa50 [ 6120.907566][ T72] ipv6_rcv+0x397/0x810 [ 6120.907566][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6120.907566][ T72] process_backlog+0x101/0x620 [ 6120.907566][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6120.907566][ T72] net_rx_action+0x495/0xbe0 [ 6120.907566][ T72] __do_softirq+0x1b5/0x7f6 [ 6120.907566][ T72] [ 6120.909393][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6120.909393][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.909393][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.909393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.909393][ T72] ip6_route_add+0x1c/0x140 [ 6120.909393][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6120.909393][ T72] inet6_addr_add+0x4f8/0xa40 [ 6120.909393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.909393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.909393][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.909393][ T72] netlink_unicast+0x449/0x710 [ 6120.909393][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.909393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.909393][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.909393][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.909393][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.909393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.909393][ T72] [ 6120.911603][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6120.911603][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.911603][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.911603][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.911603][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6120.911603][ T72] ipv6_add_addr+0x411/0x2000 [ 6120.911603][ T72] inet6_addr_add+0x30e/0xa40 [ 6120.911603][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.911603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.911603][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.911603][ T72] netlink_unicast+0x449/0x710 [ 6120.911603][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.911603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.911603][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.911603][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.911603][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.911603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.911603][ T72] [ 6120.913800][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6120.913800][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.913800][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.913800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.913800][ T72] ip6_route_add+0x1c/0x140 [ 6120.913800][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6120.913800][ T72] addrconf_add_dev+0xe2/0x170 [ 6120.913800][ T72] inet6_addr_add+0x12f/0xa40 [ 6120.913800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.913800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.913800][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.913800][ T72] netlink_unicast+0x449/0x710 [ 6120.913800][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.913800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.913800][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.913800][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.913800][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.913800][ T72] [ 6120.915979][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6120.915979][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6120.915979][ T72] ipv6_find_idev+0x102/0x170 [ 6120.915979][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.915979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.915979][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.915979][ T72] netlink_unicast+0x449/0x710 [ 6120.915979][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.915979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.915979][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.915979][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.915979][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.915979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.915979][ T72] [ 6120.917682][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6120.917682][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6120.917682][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6120.917682][ T72] ipv6_find_idev+0x102/0x170 [ 6120.917682][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.917682][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.917682][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.917682][ T72] netlink_unicast+0x449/0x710 [ 6120.917682][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.917682][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.917682][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.917682][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.917682][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.917682][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.917682][ T72] [ 6120.919550][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6120.919874][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6120.919874][ T72] dst_init+0x84/0x4a0 [ 6120.919874][ T72] dst_alloc+0x97/0x150 [ 6120.919874][ T72] ip6_dst_alloc+0x23/0x90 [ 6120.919874][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6120.919874][ T72] ip6_pol_route+0x56f/0x840 [ 6120.919874][ T72] fib6_rule_lookup+0x456/0x630 [ 6120.919874][ T72] ip6_route_input+0x59c/0xa50 [ 6120.919874][ T72] ipv6_rcv+0x397/0x810 [ 6120.919874][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6120.919874][ T72] process_backlog+0x101/0x620 [ 6120.919874][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6120.919874][ T72] net_rx_action+0x495/0xbe0 [ 6120.919874][ T72] __do_softirq+0x1b5/0x7f6 [ 6120.919874][ T72] [ 6120.921683][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6120.921683][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.921683][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.921683][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.921683][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6120.921683][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6120.921683][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6120.921683][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6120.921683][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6120.921683][ T72] addrconf_dad_begin+0x310/0x670 [ 6120.921683][ T72] addrconf_dad_work+0x10b/0xab0 [ 6120.921683][ T72] process_one_work+0x84d/0x18a0 [ 6120.921683][ T72] worker_thread+0x587/0xd30 [ 6120.921683][ T72] kthread+0x28a/0x350 [ 6120.921683][ T72] ret_from_fork+0x31/0x70 [ 6120.921683][ T72] ret_from_fork_asm+0x1a/0x30 [ 6120.921683][ T72] [ 6120.923792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6120.923792][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.923792][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.923792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.923792][ T72] ip6_route_add+0x1c/0x140 [ 6120.923792][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6120.923792][ T72] inet6_addr_add+0x4f8/0xa40 [ 6120.923792][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.923792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.923792][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.923792][ T72] netlink_unicast+0x449/0x710 [ 6120.923792][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.923792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.923792][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.923792][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.923792][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.923792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.923792][ T72] [ 6120.925996][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6120.925996][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.925996][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.925996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.925996][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6120.925996][ T72] ipv6_add_addr+0x411/0x2000 [ 6120.925996][ T72] inet6_addr_add+0x30e/0xa40 [ 6120.925996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.925996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.925996][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.925996][ T72] netlink_unicast+0x449/0x710 [ 6120.925996][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.925996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.925996][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.925996][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.925996][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.925996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.925996][ T72] [ 6120.928201][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6120.928201][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.928201][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.928201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.928201][ T72] ip6_route_add+0x1c/0x140 [ 6120.928201][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6120.928201][ T72] addrconf_add_dev+0xe2/0x170 [ 6120.928201][ T72] inet6_addr_add+0x12f/0xa40 [ 6120.928201][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.928201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.928201][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.928201][ T72] netlink_unicast+0x449/0x710 [ 6120.928201][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.928201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.928201][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.928201][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.928201][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.928201][ T72] [ 6120.930374][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6120.930374][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6120.930374][ T72] ipv6_find_idev+0x102/0x170 [ 6120.930374][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.930374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.930374][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.930374][ T72] netlink_unicast+0x449/0x710 [ 6120.930374][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.930374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.930374][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.930374][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.930374][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.930374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.930374][ T72] [ 6120.932069][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6120.932069][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6120.932069][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6120.932069][ T72] ipv6_find_idev+0x102/0x170 [ 6120.932069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.932069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.932069][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.932069][ T72] netlink_unicast+0x449/0x710 [ 6120.932069][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.932069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.932069][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.932069][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.932069][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.932069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.932069][ T72] [ 6120.933996][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6120.934291][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6120.934291][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6120.934291][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6120.934291][ T72] fib6_nh_init+0xa22/0x1580 [ 6120.934291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.934291][ T72] ip6_route_add+0x1c/0x140 [ 6120.934291][ T72] inet6_rtm_newroute+0x104/0x110 [ 6120.934291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.934291][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.934291][ T72] netlink_unicast+0x449/0x710 [ 6120.934291][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.934291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.934291][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.934291][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.934291][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.934291][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.934291][ T72] [ 6120.936566][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6120.936566][ T72] dst_init+0x84/0x4a0 [ 6120.936566][ T72] dst_alloc+0x97/0x150 [ 6120.936566][ T72] ip6_dst_alloc+0x23/0x90 [ 6120.936566][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6120.936566][ T72] ip6_pol_route+0x56f/0x840 [ 6120.936566][ T72] fib6_rule_lookup+0x456/0x630 [ 6120.936566][ T72] ip6_route_input+0x59c/0xa50 [ 6120.936566][ T72] ipv6_rcv+0x397/0x810 [ 6120.936566][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6120.936566][ T72] process_backlog+0x101/0x620 [ 6120.936566][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6120.936566][ T72] net_rx_action+0x495/0xbe0 [ 6120.936566][ T72] __do_softirq+0x1b5/0x7f6 [ 6120.936566][ T72] [ 6120.938430][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6120.938430][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.938430][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.938430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.938430][ T72] ip6_route_add+0x1c/0x140 [ 6120.938430][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6120.938430][ T72] inet6_addr_add+0x4f8/0xa40 [ 6120.938430][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.938430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.938430][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.938430][ T72] netlink_unicast+0x449/0x710 [ 6120.938430][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.938430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.938430][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.938430][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.938430][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.938430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.938430][ T72] [ 6120.940771][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6120.940771][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.940771][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.940771][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.940771][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6120.940771][ T72] ipv6_add_addr+0x411/0x2000 [ 6120.940771][ T72] inet6_addr_add+0x30e/0xa40 [ 6120.940771][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.940771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.940771][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.940771][ T72] netlink_unicast+0x449/0x710 [ 6120.940771][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.940771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.940771][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.940771][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.940771][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.940771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.940771][ T72] [ 6120.943143][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6120.943143][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.943143][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.943143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.943143][ T72] ip6_route_add+0x1c/0x140 [ 6120.943143][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6120.943143][ T72] addrconf_add_dev+0xe2/0x170 [ 6120.943143][ T72] inet6_addr_add+0x12f/0xa40 [ 6120.943143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.943143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.943143][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.943143][ T72] netlink_unicast+0x449/0x710 [ 6120.943143][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.943143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.943143][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.943143][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.943143][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.943143][ T72] [ 6120.945496][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6120.945496][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6120.945496][ T72] ipv6_find_idev+0x102/0x170 [ 6120.945496][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.945496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.945496][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.945496][ T72] netlink_unicast+0x449/0x710 [ 6120.945496][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.945496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.945496][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.945496][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.945496][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.945496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.945496][ T72] [ 6120.947256][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6120.947256][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6120.947256][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6120.947256][ T72] ipv6_find_idev+0x102/0x170 [ 6120.947256][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.947256][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.947256][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.947256][ T72] netlink_unicast+0x449/0x710 [ 6120.947256][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.947256][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.947256][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.947256][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.947256][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.947256][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.947256][ T72] [ 6120.949250][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6120.949546][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6120.949546][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.949546][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.949546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.949546][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6120.949546][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6120.949546][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6120.949546][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6120.949546][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6120.949546][ T72] addrconf_dad_begin+0x310/0x670 [ 6120.949546][ T72] addrconf_dad_work+0x10b/0xab0 [ 6120.949546][ T72] process_one_work+0x84d/0x18a0 [ 6120.949546][ T72] worker_thread+0x587/0xd30 [ 6120.949546][ T72] kthread+0x28a/0x350 [ 6120.949546][ T72] ret_from_fork+0x31/0x70 [ 6120.949546][ T72] ret_from_fork_asm+0x1a/0x30 [ 6120.949546][ T72] [ 6120.951831][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6120.951831][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.951831][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.951831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.951831][ T72] ip6_route_add+0x1c/0x140 [ 6120.951831][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6120.951831][ T72] inet6_addr_add+0x4f8/0xa40 [ 6120.951831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.951831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.951831][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.951831][ T72] netlink_unicast+0x449/0x710 [ 6120.951831][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.951831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.951831][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.951831][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.951831][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.951831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.951831][ T72] [ 6120.953943][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6120.953943][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.953943][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.953943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.953943][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6120.953943][ T72] ipv6_add_addr+0x411/0x2000 [ 6120.953943][ T72] inet6_addr_add+0x30e/0xa40 [ 6120.953943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.953943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.953943][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.953943][ T72] netlink_unicast+0x449/0x710 [ 6120.953943][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.953943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.953943][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.953943][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.953943][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.953943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.953943][ T72] [ 6120.956125][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6120.956125][ T72] netdev_get_by_index+0x5e/0x80 [ 6120.956125][ T72] fib6_nh_init+0x3d8/0x1580 [ 6120.956125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6120.956125][ T72] ip6_route_add+0x1c/0x140 [ 6120.956125][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6120.956125][ T72] addrconf_add_dev+0xe2/0x170 [ 6120.956125][ T72] inet6_addr_add+0x12f/0xa40 [ 6120.956125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.956125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.956125][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.956125][ T72] netlink_unicast+0x449/0x710 [ 6120.956125][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.956125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.956125][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.956125][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.956125][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.956125][ T72] [ 6120.958194][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6120.958194][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6120.958194][ T72] ipv6_find_idev+0x102/0x170 [ 6120.958194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.958194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.958194][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.958194][ T72] netlink_unicast+0x449/0x710 [ 6120.958194][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.958194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.958194][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.958194][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.958194][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.958194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.958194][ T72] [ 6120.959792][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6120.959792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6120.959792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6120.959792][ T72] ipv6_find_idev+0x102/0x170 [ 6120.959792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.959792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.959792][ T72] netlink_rcv_skb+0x130/0x360 [ 6120.959792][ T72] netlink_unicast+0x449/0x710 [ 6120.959792][ T72] netlink_sendmsg+0x723/0xbe0 [ 6120.959792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6120.959792][ T72] ___sys_sendmsg+0xee/0x170 [ 6120.959792][ T72] __sys_sendmsg+0xcd/0x170 [ 6120.959792][ T72] do_syscall_64+0xc6/0x1e0 [ 6120.959792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.959792][ T72] [ 6131.192957][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6131.193469][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6131.193469][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6131.193469][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6131.193469][ T72] fib6_nh_init+0xa22/0x1580 [ 6131.193469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.193469][ T72] ip6_route_add+0x1c/0x140 [ 6131.193469][ T72] inet6_rtm_newroute+0x104/0x110 [ 6131.193469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.193469][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.193469][ T72] netlink_unicast+0x449/0x710 [ 6131.193469][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.193469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.193469][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.193469][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.193469][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.193469][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.193469][ T72] [ 6131.195788][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6131.195788][ T72] dst_init+0x84/0x4a0 [ 6131.195788][ T72] dst_alloc+0x97/0x150 [ 6131.195788][ T72] ip6_dst_alloc+0x23/0x90 [ 6131.195788][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6131.195788][ T72] ip6_pol_route+0x56f/0x840 [ 6131.195788][ T72] fib6_rule_lookup+0x456/0x630 [ 6131.195788][ T72] ip6_route_input+0x59c/0xa50 [ 6131.195788][ T72] ipv6_rcv+0x397/0x810 [ 6131.195788][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6131.195788][ T72] process_backlog+0x101/0x620 [ 6131.195788][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6131.195788][ T72] net_rx_action+0x495/0xbe0 [ 6131.195788][ T72] __do_softirq+0x1b5/0x7f6 [ 6131.195788][ T72] [ 6131.197746][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6131.197746][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.197746][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.197746][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.197746][ T72] ip6_route_add+0x1c/0x140 [ 6131.197746][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6131.197746][ T72] inet6_addr_add+0x4f8/0xa40 [ 6131.197746][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.197746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.197746][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.197746][ T72] netlink_unicast+0x449/0x710 [ 6131.197746][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.197746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.197746][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.197746][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.197746][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.197746][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.197746][ T72] [ 6131.200086][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6131.200086][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.200086][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.200086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.200086][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6131.200086][ T72] ipv6_add_addr+0x411/0x2000 [ 6131.200086][ T72] inet6_addr_add+0x30e/0xa40 [ 6131.200086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.200086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.200086][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.200086][ T72] netlink_unicast+0x449/0x710 [ 6131.200086][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.200086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.200086][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.200086][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.200086][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.200086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.200086][ T72] [ 6131.202524][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6131.202524][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.202524][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.202524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.202524][ T72] ip6_route_add+0x1c/0x140 [ 6131.202524][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6131.202524][ T72] addrconf_add_dev+0xe2/0x170 [ 6131.202524][ T72] inet6_addr_add+0x12f/0xa40 [ 6131.202524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.202524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.202524][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.202524][ T72] netlink_unicast+0x449/0x710 [ 6131.202524][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.202524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.202524][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.202524][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.202524][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.202524][ T72] [ 6131.204932][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6131.204932][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6131.204932][ T72] ipv6_find_idev+0x102/0x170 [ 6131.204932][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.204932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.204932][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.204932][ T72] netlink_unicast+0x449/0x710 [ 6131.204932][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.204932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.204932][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.204932][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.204932][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.204932][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.204932][ T72] [ 6131.206811][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6131.206811][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6131.206811][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6131.206811][ T72] ipv6_find_idev+0x102/0x170 [ 6131.206811][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.206811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.206811][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.206811][ T72] netlink_unicast+0x449/0x710 [ 6131.206811][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.206811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.206811][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.206811][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.206811][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.206811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.206811][ T72] [ 6131.208881][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6131.209215][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6131.209215][ T72] dst_init+0x84/0x4a0 [ 6131.209215][ T72] dst_alloc+0x97/0x150 [ 6131.209215][ T72] ip6_dst_alloc+0x23/0x90 [ 6131.209215][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6131.209215][ T72] ip6_pol_route+0x56f/0x840 [ 6131.209215][ T72] fib6_rule_lookup+0x456/0x630 [ 6131.209215][ T72] ip6_route_input+0x59c/0xa50 [ 6131.209215][ T72] ipv6_rcv+0x397/0x810 [ 6131.209215][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6131.209215][ T72] process_backlog+0x101/0x620 [ 6131.209215][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6131.209215][ T72] net_rx_action+0x495/0xbe0 [ 6131.209215][ T72] __do_softirq+0x1b5/0x7f6 [ 6131.209215][ T72] [ 6131.211229][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6131.211229][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.211229][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.211229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.211229][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6131.211229][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6131.211229][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6131.211229][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6131.211229][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6131.211229][ T72] addrconf_dad_begin+0x310/0x670 [ 6131.211229][ T72] addrconf_dad_work+0x10b/0xab0 [ 6131.211229][ T72] process_one_work+0x84d/0x18a0 [ 6131.211229][ T72] worker_thread+0x587/0xd30 [ 6131.211229][ T72] kthread+0x28a/0x350 [ 6131.211229][ T72] ret_from_fork+0x31/0x70 [ 6131.211229][ T72] ret_from_fork_asm+0x1a/0x30 [ 6131.211229][ T72] [ 6131.213568][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6131.213568][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.213568][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.213568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.213568][ T72] ip6_route_add+0x1c/0x140 [ 6131.213568][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6131.213568][ T72] inet6_addr_add+0x4f8/0xa40 [ 6131.213568][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.213568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.213568][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.213568][ T72] netlink_unicast+0x449/0x710 [ 6131.213568][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.213568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.213568][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.213568][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.213568][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.213568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.213568][ T72] [ 6131.216019][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6131.216019][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.216019][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.216019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.216019][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6131.216019][ T72] ipv6_add_addr+0x411/0x2000 [ 6131.216019][ T72] inet6_addr_add+0x30e/0xa40 [ 6131.216019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.216019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.216019][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.216019][ T72] netlink_unicast+0x449/0x710 [ 6131.216019][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.216019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.216019][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.216019][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.216019][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.216019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.216019][ T72] [ 6131.218454][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6131.218454][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.218454][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.218454][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.218454][ T72] ip6_route_add+0x1c/0x140 [ 6131.218454][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6131.218454][ T72] addrconf_add_dev+0xe2/0x170 [ 6131.218454][ T72] inet6_addr_add+0x12f/0xa40 [ 6131.218454][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.218454][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.218454][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.218454][ T72] netlink_unicast+0x449/0x710 [ 6131.218454][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.218454][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.218454][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.218454][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.218454][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.218454][ T72] [ 6131.220860][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6131.220860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6131.220860][ T72] ipv6_find_idev+0x102/0x170 [ 6131.220860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.220860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.220860][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.220860][ T72] netlink_unicast+0x449/0x710 [ 6131.220860][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.220860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.220860][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.220860][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.220860][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.220860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.220860][ T72] [ 6131.222735][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6131.222735][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6131.222735][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6131.222735][ T72] ipv6_find_idev+0x102/0x170 [ 6131.222735][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.222735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.222735][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.222735][ T72] netlink_unicast+0x449/0x710 [ 6131.222735][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.222735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.222735][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.222735][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.222735][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.222735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.222735][ T72] [ 6131.224848][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6131.225234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6131.225234][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6131.225234][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6131.225234][ T72] fib6_nh_init+0xa22/0x1580 [ 6131.225234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.225234][ T72] ip6_route_add+0x1c/0x140 [ 6131.225234][ T72] inet6_rtm_newroute+0x104/0x110 [ 6131.225234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.225234][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.225234][ T72] netlink_unicast+0x449/0x710 [ 6131.225234][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.225234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.225234][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.225234][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.225234][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.225234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.225234][ T72] [ 6131.227652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6131.227652][ T72] dst_init+0x84/0x4a0 [ 6131.227652][ T72] dst_alloc+0x97/0x150 [ 6131.227652][ T72] ip6_dst_alloc+0x23/0x90 [ 6131.227652][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6131.227652][ T72] ip6_pol_route+0x56f/0x840 [ 6131.227652][ T72] fib6_rule_lookup+0x456/0x630 [ 6131.227652][ T72] ip6_route_input+0x59c/0xa50 [ 6131.227652][ T72] ipv6_rcv+0x397/0x810 [ 6131.227652][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6131.227652][ T72] process_backlog+0x101/0x620 [ 6131.227652][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6131.227652][ T72] net_rx_action+0x495/0xbe0 [ 6131.227652][ T72] __do_softirq+0x1b5/0x7f6 [ 6131.227652][ T72] [ 6131.229834][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6131.229834][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.229834][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.229834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.229834][ T72] ip6_route_add+0x1c/0x140 [ 6131.229834][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6131.229834][ T72] inet6_addr_add+0x4f8/0xa40 [ 6131.229834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.229834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.229834][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.229834][ T72] netlink_unicast+0x449/0x710 [ 6131.229834][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.229834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.229834][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.229834][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.229834][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.229834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.229834][ T72] [ 6131.232577][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6131.232577][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.232577][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.232577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.232577][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6131.232577][ T72] ipv6_add_addr+0x411/0x2000 [ 6131.232577][ T72] inet6_addr_add+0x30e/0xa40 [ 6131.232577][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.232577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.232577][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.232577][ T72] netlink_unicast+0x449/0x710 [ 6131.232577][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.232577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.232577][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.232577][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.232577][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.232577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.232577][ T72] [ 6131.235250][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6131.235250][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.235250][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.235250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.235250][ T72] ip6_route_add+0x1c/0x140 [ 6131.235250][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6131.235250][ T72] addrconf_add_dev+0xe2/0x170 [ 6131.235250][ T72] inet6_addr_add+0x12f/0xa40 [ 6131.235250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.235250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.235250][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.235250][ T72] netlink_unicast+0x449/0x710 [ 6131.235250][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.235250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.235250][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.235250][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.235250][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.235250][ T72] [ 6131.238429][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6131.238429][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6131.238429][ T72] ipv6_find_idev+0x102/0x170 [ 6131.238429][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.238429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.238429][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.238429][ T72] netlink_unicast+0x449/0x710 [ 6131.238429][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.238429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.238429][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.238429][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.238429][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.238429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.238429][ T72] [ 6131.240498][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6131.240498][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6131.240498][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6131.240498][ T72] ipv6_find_idev+0x102/0x170 [ 6131.240498][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.240498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.240498][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.240498][ T72] netlink_unicast+0x449/0x710 [ 6131.240498][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.240498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.240498][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.240498][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.240498][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.240498][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.240498][ T72] [ 6131.242733][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6131.243199][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6131.243199][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.243199][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.243199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.243199][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6131.243199][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6131.243199][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6131.243199][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6131.243199][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6131.243199][ T72] addrconf_dad_begin+0x310/0x670 [ 6131.243199][ T72] addrconf_dad_work+0x10b/0xab0 [ 6131.243199][ T72] process_one_work+0x84d/0x18a0 [ 6131.243199][ T72] worker_thread+0x587/0xd30 [ 6131.243199][ T72] kthread+0x28a/0x350 [ 6131.243199][ T72] ret_from_fork+0x31/0x70 [ 6131.243199][ T72] ret_from_fork_asm+0x1a/0x30 [ 6131.243199][ T72] [ 6131.272824][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6131.272824][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.272824][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.272824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.272824][ T72] ip6_route_add+0x1c/0x140 [ 6131.272824][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6131.272824][ T72] inet6_addr_add+0x4f8/0xa40 [ 6131.272824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.272824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.272824][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.272824][ T72] netlink_unicast+0x449/0x710 [ 6131.272824][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.272824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.272824][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.272824][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.272824][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.272824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.272824][ T72] [ 6131.275471][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6131.275471][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.275471][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.275471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.275471][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6131.275471][ T72] ipv6_add_addr+0x411/0x2000 [ 6131.275471][ T72] inet6_addr_add+0x30e/0xa40 [ 6131.275471][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.275471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.275471][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.275471][ T72] netlink_unicast+0x449/0x710 [ 6131.275471][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.275471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.275471][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.275471][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.275471][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.275471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.275471][ T72] [ 6131.278103][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6131.278103][ T72] netdev_get_by_index+0x5e/0x80 [ 6131.278103][ T72] fib6_nh_init+0x3d8/0x1580 [ 6131.278103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6131.278103][ T72] ip6_route_add+0x1c/0x140 [ 6131.278103][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6131.278103][ T72] addrconf_add_dev+0xe2/0x170 [ 6131.278103][ T72] inet6_addr_add+0x12f/0xa40 [ 6131.278103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.278103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.278103][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.278103][ T72] netlink_unicast+0x449/0x710 [ 6131.278103][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.278103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.278103][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.278103][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.278103][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.278103][ T72] [ 6131.280756][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6131.280756][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6131.280756][ T72] ipv6_find_idev+0x102/0x170 [ 6131.280756][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.280756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.280756][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.280756][ T72] netlink_unicast+0x449/0x710 [ 6131.280756][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.280756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.280756][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.280756][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.280756][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.280756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.280756][ T72] [ 6131.282758][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6131.282758][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6131.282758][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6131.282758][ T72] ipv6_find_idev+0x102/0x170 [ 6131.282758][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.282758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.282758][ T72] netlink_rcv_skb+0x130/0x360 [ 6131.282758][ T72] netlink_unicast+0x449/0x710 [ 6131.282758][ T72] netlink_sendmsg+0x723/0xbe0 [ 6131.282758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6131.282758][ T72] ___sys_sendmsg+0xee/0x170 [ 6131.282758][ T72] __sys_sendmsg+0xcd/0x170 [ 6131.282758][ T72] do_syscall_64+0xc6/0x1e0 [ 6131.282758][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.282758][ T72] [ 6141.424917][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6141.425366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6141.425366][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6141.425366][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6141.425366][ T72] fib6_nh_init+0xa22/0x1580 [ 6141.425366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.425366][ T72] ip6_route_add+0x1c/0x140 [ 6141.425366][ T72] inet6_rtm_newroute+0x104/0x110 [ 6141.425366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.425366][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.425366][ T72] netlink_unicast+0x449/0x710 [ 6141.425366][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.425366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.425366][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.425366][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.425366][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.425366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.425366][ T72] [ 6141.427277][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6141.427277][ T72] dst_init+0x84/0x4a0 [ 6141.427277][ T72] dst_alloc+0x97/0x150 [ 6141.427277][ T72] ip6_dst_alloc+0x23/0x90 [ 6141.427277][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6141.427277][ T72] ip6_pol_route+0x56f/0x840 [ 6141.427277][ T72] fib6_rule_lookup+0x456/0x630 [ 6141.427277][ T72] ip6_route_input+0x59c/0xa50 [ 6141.427277][ T72] ipv6_rcv+0x397/0x810 [ 6141.427277][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6141.427277][ T72] process_backlog+0x101/0x620 [ 6141.427277][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6141.427277][ T72] net_rx_action+0x495/0xbe0 [ 6141.427277][ T72] __do_softirq+0x1b5/0x7f6 [ 6141.427277][ T72] [ 6141.428904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6141.428904][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.428904][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.428904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.428904][ T72] ip6_route_add+0x1c/0x140 [ 6141.428904][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6141.428904][ T72] inet6_addr_add+0x4f8/0xa40 [ 6141.428904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.428904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.428904][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.428904][ T72] netlink_unicast+0x449/0x710 [ 6141.428904][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.428904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.428904][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.428904][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.428904][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.428904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.428904][ T72] [ 6141.430898][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6141.430898][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.430898][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.430898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.430898][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6141.430898][ T72] ipv6_add_addr+0x411/0x2000 [ 6141.430898][ T72] inet6_addr_add+0x30e/0xa40 [ 6141.430898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.430898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.430898][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.430898][ T72] netlink_unicast+0x449/0x710 [ 6141.430898][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.430898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.430898][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.430898][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.430898][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.430898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.430898][ T72] [ 6141.432879][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6141.432879][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.432879][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.432879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.432879][ T72] ip6_route_add+0x1c/0x140 [ 6141.432879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6141.432879][ T72] addrconf_add_dev+0xe2/0x170 [ 6141.432879][ T72] inet6_addr_add+0x12f/0xa40 [ 6141.432879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.432879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.432879][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.432879][ T72] netlink_unicast+0x449/0x710 [ 6141.432879][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.432879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.432879][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.432879][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.432879][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.432879][ T72] [ 6141.434829][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6141.434829][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6141.434829][ T72] ipv6_find_idev+0x102/0x170 [ 6141.434829][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.434829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.434829][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.434829][ T72] netlink_unicast+0x449/0x710 [ 6141.434829][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.434829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.434829][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.434829][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.434829][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.434829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.434829][ T72] [ 6141.436356][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6141.436356][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6141.436356][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6141.436356][ T72] ipv6_find_idev+0x102/0x170 [ 6141.436356][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.436356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.436356][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.436356][ T72] netlink_unicast+0x449/0x710 [ 6141.436356][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.436356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.436356][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.436356][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.436356][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.436356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.436356][ T72] [ 6141.438036][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6141.438302][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6141.438302][ T72] dst_init+0x84/0x4a0 [ 6141.438302][ T72] dst_alloc+0x97/0x150 [ 6141.438302][ T72] ip6_dst_alloc+0x23/0x90 [ 6141.438302][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6141.438302][ T72] ip6_pol_route+0x56f/0x840 [ 6141.438302][ T72] fib6_rule_lookup+0x456/0x630 [ 6141.438302][ T72] ip6_route_input+0x59c/0xa50 [ 6141.438302][ T72] ipv6_rcv+0x397/0x810 [ 6141.438302][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6141.438302][ T72] process_backlog+0x101/0x620 [ 6141.438302][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6141.438302][ T72] net_rx_action+0x495/0xbe0 [ 6141.438302][ T72] __do_softirq+0x1b5/0x7f6 [ 6141.438302][ T72] [ 6141.439940][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6141.439940][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.439940][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.439940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.439940][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6141.439940][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6141.439940][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6141.439940][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6141.439940][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6141.439940][ T72] addrconf_dad_begin+0x310/0x670 [ 6141.439940][ T72] addrconf_dad_work+0x10b/0xab0 [ 6141.439940][ T72] process_one_work+0x84d/0x18a0 [ 6141.439940][ T72] worker_thread+0x587/0xd30 [ 6141.439940][ T72] kthread+0x28a/0x350 [ 6141.439940][ T72] ret_from_fork+0x31/0x70 [ 6141.439940][ T72] ret_from_fork_asm+0x1a/0x30 [ 6141.439940][ T72] [ 6141.441829][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6141.441829][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.441829][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.441829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.441829][ T72] ip6_route_add+0x1c/0x140 [ 6141.441829][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6141.441829][ T72] inet6_addr_add+0x4f8/0xa40 [ 6141.441829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.441829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.441829][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.441829][ T72] netlink_unicast+0x449/0x710 [ 6141.441829][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.441829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.441829][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.441829][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.441829][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.441829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.441829][ T72] [ 6141.443802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6141.443802][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.443802][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.443802][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.443802][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6141.443802][ T72] ipv6_add_addr+0x411/0x2000 [ 6141.443802][ T72] inet6_addr_add+0x30e/0xa40 [ 6141.443802][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.443802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.443802][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.443802][ T72] netlink_unicast+0x449/0x710 [ 6141.443802][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.443802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.443802][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.443802][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.443802][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.443802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.443802][ T72] [ 6141.445777][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6141.445777][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.445777][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.445777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.445777][ T72] ip6_route_add+0x1c/0x140 [ 6141.445777][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6141.445777][ T72] addrconf_add_dev+0xe2/0x170 [ 6141.445777][ T72] inet6_addr_add+0x12f/0xa40 [ 6141.445777][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.445777][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.445777][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.445777][ T72] netlink_unicast+0x449/0x710 [ 6141.445777][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.445777][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.445777][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.445777][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.445777][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.445777][ T72] [ 6141.447713][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6141.447713][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6141.447713][ T72] ipv6_find_idev+0x102/0x170 [ 6141.447713][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.447713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.447713][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.447713][ T72] netlink_unicast+0x449/0x710 [ 6141.447713][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.447713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.447713][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.447713][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.447713][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.447713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.447713][ T72] [ 6141.449234][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6141.449234][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6141.449234][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6141.449234][ T72] ipv6_find_idev+0x102/0x170 [ 6141.449234][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.449234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.449234][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.449234][ T72] netlink_unicast+0x449/0x710 [ 6141.449234][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.449234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.449234][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.449234][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.449234][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.449234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.449234][ T72] [ 6141.450965][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6141.451305][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6141.451305][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6141.451305][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6141.451305][ T72] fib6_nh_init+0xa22/0x1580 [ 6141.451305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.451305][ T72] ip6_route_add+0x1c/0x140 [ 6141.451305][ T72] inet6_rtm_newroute+0x104/0x110 [ 6141.451305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.451305][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.451305][ T72] netlink_unicast+0x449/0x710 [ 6141.451305][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.451305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.451305][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.451305][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.451305][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.451305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.451305][ T72] [ 6141.453399][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6141.453399][ T72] dst_init+0x84/0x4a0 [ 6141.453399][ T72] dst_alloc+0x97/0x150 [ 6141.453399][ T72] ip6_dst_alloc+0x23/0x90 [ 6141.453399][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6141.453399][ T72] ip6_pol_route+0x56f/0x840 [ 6141.453399][ T72] fib6_rule_lookup+0x456/0x630 [ 6141.453399][ T72] ip6_route_input+0x59c/0xa50 [ 6141.453399][ T72] ipv6_rcv+0x397/0x810 [ 6141.453399][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6141.453399][ T72] process_backlog+0x101/0x620 [ 6141.453399][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6141.453399][ T72] net_rx_action+0x495/0xbe0 [ 6141.453399][ T72] __do_softirq+0x1b5/0x7f6 [ 6141.453399][ T72] [ 6141.455197][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6141.455197][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.455197][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.455197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.455197][ T72] ip6_route_add+0x1c/0x140 [ 6141.455197][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6141.455197][ T72] inet6_addr_add+0x4f8/0xa40 [ 6141.455197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.455197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.455197][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.455197][ T72] netlink_unicast+0x449/0x710 [ 6141.455197][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.455197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.455197][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.455197][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.455197][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.455197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.455197][ T72] [ 6141.457419][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6141.457419][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.457419][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.457419][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.457419][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6141.457419][ T72] ipv6_add_addr+0x411/0x2000 [ 6141.457419][ T72] inet6_addr_add+0x30e/0xa40 [ 6141.457419][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.457419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.457419][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.457419][ T72] netlink_unicast+0x449/0x710 [ 6141.457419][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.457419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.457419][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.457419][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.457419][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.457419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.457419][ T72] [ 6141.459640][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6141.459640][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.459640][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.459640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.459640][ T72] ip6_route_add+0x1c/0x140 [ 6141.459640][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6141.459640][ T72] addrconf_add_dev+0xe2/0x170 [ 6141.459640][ T72] inet6_addr_add+0x12f/0xa40 [ 6141.459640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.459640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.459640][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.459640][ T72] netlink_unicast+0x449/0x710 [ 6141.459640][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.459640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.459640][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.459640][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.459640][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.459640][ T72] [ 6141.461884][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6141.461884][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6141.461884][ T72] ipv6_find_idev+0x102/0x170 [ 6141.461884][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.461884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.461884][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.461884][ T72] netlink_unicast+0x449/0x710 [ 6141.461884][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.461884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.461884][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.461884][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.461884][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.461884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.461884][ T72] [ 6141.463593][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6141.463593][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6141.463593][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6141.463593][ T72] ipv6_find_idev+0x102/0x170 [ 6141.463593][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.463593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.463593][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.463593][ T72] netlink_unicast+0x449/0x710 [ 6141.463593][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.463593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.463593][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.463593][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.463593][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.463593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.463593][ T72] [ 6141.465443][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6141.465714][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6141.465714][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.465714][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.465714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.465714][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6141.465714][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6141.465714][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6141.465714][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6141.465714][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6141.465714][ T72] addrconf_dad_begin+0x310/0x670 [ 6141.465714][ T72] addrconf_dad_work+0x10b/0xab0 [ 6141.465714][ T72] process_one_work+0x84d/0x18a0 [ 6141.465714][ T72] worker_thread+0x587/0xd30 [ 6141.465714][ T72] kthread+0x28a/0x350 [ 6141.465714][ T72] ret_from_fork+0x31/0x70 [ 6141.465714][ T72] ret_from_fork_asm+0x1a/0x30 [ 6141.465714][ T72] [ 6141.467850][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6141.467850][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.467850][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.467850][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.467850][ T72] ip6_route_add+0x1c/0x140 [ 6141.467850][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6141.467850][ T72] inet6_addr_add+0x4f8/0xa40 [ 6141.467850][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.467850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.467850][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.467850][ T72] netlink_unicast+0x449/0x710 [ 6141.467850][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.467850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.467850][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.467850][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.467850][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.467850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.467850][ T72] [ 6141.470085][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6141.470085][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.470085][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.470085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.470085][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6141.470085][ T72] ipv6_add_addr+0x411/0x2000 [ 6141.470085][ T72] inet6_addr_add+0x30e/0xa40 [ 6141.470085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.470085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.470085][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.470085][ T72] netlink_unicast+0x449/0x710 [ 6141.470085][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.470085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.470085][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.470085][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.470085][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.470085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.470085][ T72] [ 6141.472940][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6141.472940][ T72] netdev_get_by_index+0x5e/0x80 [ 6141.472940][ T72] fib6_nh_init+0x3d8/0x1580 [ 6141.472940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6141.472940][ T72] ip6_route_add+0x1c/0x140 [ 6141.472940][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6141.472940][ T72] addrconf_add_dev+0xe2/0x170 [ 6141.472940][ T72] inet6_addr_add+0x12f/0xa40 [ 6141.472940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.472940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.472940][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.472940][ T72] netlink_unicast+0x449/0x710 [ 6141.472940][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.472940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.472940][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.472940][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.472940][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.472940][ T72] [ 6141.475067][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6141.475067][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6141.475067][ T72] ipv6_find_idev+0x102/0x170 [ 6141.475067][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.475067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.475067][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.475067][ T72] netlink_unicast+0x449/0x710 [ 6141.475067][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.475067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.475067][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.475067][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.475067][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.475067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.475067][ T72] [ 6141.476790][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6141.476790][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6141.476790][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6141.476790][ T72] ipv6_find_idev+0x102/0x170 [ 6141.476790][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.476790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.476790][ T72] netlink_rcv_skb+0x130/0x360 [ 6141.476790][ T72] netlink_unicast+0x449/0x710 [ 6141.476790][ T72] netlink_sendmsg+0x723/0xbe0 [ 6141.476790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6141.476790][ T72] ___sys_sendmsg+0xee/0x170 [ 6141.476790][ T72] __sys_sendmsg+0xcd/0x170 [ 6141.476790][ T72] do_syscall_64+0xc6/0x1e0 [ 6141.476790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.476790][ T72] [ 6151.744853][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6151.745361][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6151.745361][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6151.745361][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6151.745361][ T72] fib6_nh_init+0xa22/0x1580 [ 6151.745361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.745361][ T72] ip6_route_add+0x1c/0x140 [ 6151.745361][ T72] inet6_rtm_newroute+0x104/0x110 [ 6151.745361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.745361][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.745361][ T72] netlink_unicast+0x449/0x710 [ 6151.745361][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.745361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.745361][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.745361][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.745361][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.745361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.745361][ T72] [ 6151.747262][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6151.747262][ T72] dst_init+0x84/0x4a0 [ 6151.747262][ T72] dst_alloc+0x97/0x150 [ 6151.747262][ T72] ip6_dst_alloc+0x23/0x90 [ 6151.747262][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6151.747262][ T72] ip6_pol_route+0x56f/0x840 [ 6151.747262][ T72] fib6_rule_lookup+0x456/0x630 [ 6151.747262][ T72] ip6_route_input+0x59c/0xa50 [ 6151.747262][ T72] ipv6_rcv+0x397/0x810 [ 6151.747262][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6151.747262][ T72] process_backlog+0x101/0x620 [ 6151.747262][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6151.747262][ T72] net_rx_action+0x495/0xbe0 [ 6151.747262][ T72] __do_softirq+0x1b5/0x7f6 [ 6151.747262][ T72] [ 6151.748881][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6151.748881][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.748881][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.748881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.748881][ T72] ip6_route_add+0x1c/0x140 [ 6151.748881][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6151.748881][ T72] inet6_addr_add+0x4f8/0xa40 [ 6151.748881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.748881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.748881][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.748881][ T72] netlink_unicast+0x449/0x710 [ 6151.748881][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.748881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.748881][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.748881][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.748881][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.748881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.748881][ T72] [ 6151.750873][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6151.750873][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.750873][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.750873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.750873][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6151.750873][ T72] ipv6_add_addr+0x411/0x2000 [ 6151.750873][ T72] inet6_addr_add+0x30e/0xa40 [ 6151.750873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.750873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.750873][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.750873][ T72] netlink_unicast+0x449/0x710 [ 6151.750873][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.750873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.750873][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.750873][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.750873][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.750873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.750873][ T72] [ 6151.752829][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6151.752829][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.752829][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.752829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.752829][ T72] ip6_route_add+0x1c/0x140 [ 6151.752829][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6151.752829][ T72] addrconf_add_dev+0xe2/0x170 [ 6151.752829][ T72] inet6_addr_add+0x12f/0xa40 [ 6151.752829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.752829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.752829][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.752829][ T72] netlink_unicast+0x449/0x710 [ 6151.752829][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.752829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.752829][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.752829][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.752829][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.752829][ T72] [ 6151.754782][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6151.754782][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6151.754782][ T72] ipv6_find_idev+0x102/0x170 [ 6151.754782][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.754782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.754782][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.754782][ T72] netlink_unicast+0x449/0x710 [ 6151.754782][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.754782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.754782][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.754782][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.754782][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.754782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.754782][ T72] [ 6151.756271][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6151.756271][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6151.756271][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6151.756271][ T72] ipv6_find_idev+0x102/0x170 [ 6151.756271][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.756271][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.756271][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.756271][ T72] netlink_unicast+0x449/0x710 [ 6151.756271][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.756271][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.756271][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.756271][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.756271][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.756271][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.756271][ T72] [ 6151.757950][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6151.758223][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6151.758223][ T72] dst_init+0x84/0x4a0 [ 6151.758223][ T72] dst_alloc+0x97/0x150 [ 6151.758223][ T72] ip6_dst_alloc+0x23/0x90 [ 6151.758223][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6151.758223][ T72] ip6_pol_route+0x56f/0x840 [ 6151.758223][ T72] fib6_rule_lookup+0x456/0x630 [ 6151.758223][ T72] ip6_route_input+0x59c/0xa50 [ 6151.758223][ T72] ipv6_rcv+0x397/0x810 [ 6151.758223][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6151.758223][ T72] process_backlog+0x101/0x620 [ 6151.758223][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6151.758223][ T72] net_rx_action+0x495/0xbe0 [ 6151.758223][ T72] __do_softirq+0x1b5/0x7f6 [ 6151.758223][ T72] [ 6151.759977][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6151.759977][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.759977][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.759977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.759977][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6151.759977][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6151.759977][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6151.759977][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6151.759977][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6151.759977][ T72] addrconf_dad_begin+0x310/0x670 [ 6151.759977][ T72] addrconf_dad_work+0x10b/0xab0 [ 6151.759977][ T72] process_one_work+0x84d/0x18a0 [ 6151.759977][ T72] worker_thread+0x587/0xd30 [ 6151.759977][ T72] kthread+0x28a/0x350 [ 6151.759977][ T72] ret_from_fork+0x31/0x70 [ 6151.759977][ T72] ret_from_fork_asm+0x1a/0x30 [ 6151.759977][ T72] [ 6151.761855][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6151.761855][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.761855][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.761855][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.761855][ T72] ip6_route_add+0x1c/0x140 [ 6151.761855][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6151.761855][ T72] inet6_addr_add+0x4f8/0xa40 [ 6151.761855][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.761855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.761855][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.761855][ T72] netlink_unicast+0x449/0x710 [ 6151.761855][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.761855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.761855][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.761855][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.761855][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.761855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.761855][ T72] [ 6151.763775][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6151.763775][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.763775][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.763775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.763775][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6151.763775][ T72] ipv6_add_addr+0x411/0x2000 [ 6151.763775][ T72] inet6_addr_add+0x30e/0xa40 [ 6151.763775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.763775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.763775][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.763775][ T72] netlink_unicast+0x449/0x710 [ 6151.763775][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.763775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.763775][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.763775][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.763775][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.763775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.763775][ T72] [ 6151.765730][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6151.765730][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.765730][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.765730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.765730][ T72] ip6_route_add+0x1c/0x140 [ 6151.765730][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6151.765730][ T72] addrconf_add_dev+0xe2/0x170 [ 6151.765730][ T72] inet6_addr_add+0x12f/0xa40 [ 6151.765730][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.765730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.765730][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.765730][ T72] netlink_unicast+0x449/0x710 [ 6151.765730][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.765730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.765730][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.765730][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.765730][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.765730][ T72] [ 6151.767696][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6151.767696][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6151.767696][ T72] ipv6_find_idev+0x102/0x170 [ 6151.767696][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.767696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.767696][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.767696][ T72] netlink_unicast+0x449/0x710 [ 6151.767696][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.767696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.767696][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.767696][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.767696][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.767696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.767696][ T72] [ 6151.769231][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6151.769231][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6151.769231][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6151.769231][ T72] ipv6_find_idev+0x102/0x170 [ 6151.769231][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.769231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.769231][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.769231][ T72] netlink_unicast+0x449/0x710 [ 6151.769231][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.769231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.769231][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.769231][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.769231][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.769231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.769231][ T72] [ 6151.770959][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6151.771296][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6151.771296][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6151.771296][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6151.771296][ T72] fib6_nh_init+0xa22/0x1580 [ 6151.771296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.771296][ T72] ip6_route_add+0x1c/0x140 [ 6151.771296][ T72] inet6_rtm_newroute+0x104/0x110 [ 6151.771296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.771296][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.771296][ T72] netlink_unicast+0x449/0x710 [ 6151.771296][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.771296][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.771296][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.771296][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.771296][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.771296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.771296][ T72] [ 6151.773401][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6151.773401][ T72] dst_init+0x84/0x4a0 [ 6151.773401][ T72] dst_alloc+0x97/0x150 [ 6151.773401][ T72] ip6_dst_alloc+0x23/0x90 [ 6151.773401][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6151.773401][ T72] ip6_pol_route+0x56f/0x840 [ 6151.773401][ T72] fib6_rule_lookup+0x456/0x630 [ 6151.773401][ T72] ip6_route_input+0x59c/0xa50 [ 6151.773401][ T72] ipv6_rcv+0x397/0x810 [ 6151.773401][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6151.773401][ T72] process_backlog+0x101/0x620 [ 6151.773401][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6151.773401][ T72] net_rx_action+0x495/0xbe0 [ 6151.773401][ T72] __do_softirq+0x1b5/0x7f6 [ 6151.773401][ T72] [ 6151.775209][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6151.775209][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.775209][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.775209][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.775209][ T72] ip6_route_add+0x1c/0x140 [ 6151.775209][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6151.775209][ T72] inet6_addr_add+0x4f8/0xa40 [ 6151.775209][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.775209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.775209][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.775209][ T72] netlink_unicast+0x449/0x710 [ 6151.775209][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.775209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.775209][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.775209][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.775209][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.775209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.775209][ T72] [ 6151.777442][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6151.777442][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.777442][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.777442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.777442][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6151.777442][ T72] ipv6_add_addr+0x411/0x2000 [ 6151.777442][ T72] inet6_addr_add+0x30e/0xa40 [ 6151.777442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.777442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.777442][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.777442][ T72] netlink_unicast+0x449/0x710 [ 6151.777442][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.777442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.777442][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.777442][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.777442][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.777442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.777442][ T72] [ 6151.779612][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6151.779612][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.779612][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.779612][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.779612][ T72] ip6_route_add+0x1c/0x140 [ 6151.779612][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6151.779612][ T72] addrconf_add_dev+0xe2/0x170 [ 6151.779612][ T72] inet6_addr_add+0x12f/0xa40 [ 6151.779612][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.779612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.779612][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.779612][ T72] netlink_unicast+0x449/0x710 [ 6151.779612][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.779612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.779612][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.779612][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.779612][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.779612][ T72] [ 6151.781901][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6151.781901][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6151.781901][ T72] ipv6_find_idev+0x102/0x170 [ 6151.781901][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.781901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.781901][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.781901][ T72] netlink_unicast+0x449/0x710 [ 6151.781901][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.781901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.781901][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.781901][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.781901][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.781901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.781901][ T72] [ 6151.783606][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6151.783606][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6151.783606][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6151.783606][ T72] ipv6_find_idev+0x102/0x170 [ 6151.783606][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.783606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.783606][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.783606][ T72] netlink_unicast+0x449/0x710 [ 6151.783606][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.783606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.783606][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.783606][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.783606][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.783606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.783606][ T72] [ 6151.785460][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6151.785735][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6151.785735][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.785735][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.785735][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.785735][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6151.785735][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6151.785735][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6151.785735][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6151.785735][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6151.785735][ T72] addrconf_dad_begin+0x310/0x670 [ 6151.785735][ T72] addrconf_dad_work+0x10b/0xab0 [ 6151.785735][ T72] process_one_work+0x84d/0x18a0 [ 6151.785735][ T72] worker_thread+0x587/0xd30 [ 6151.785735][ T72] kthread+0x28a/0x350 [ 6151.785735][ T72] ret_from_fork+0x31/0x70 [ 6151.785735][ T72] ret_from_fork_asm+0x1a/0x30 [ 6151.785735][ T72] [ 6151.787886][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6151.787886][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.787886][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.787886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.787886][ T72] ip6_route_add+0x1c/0x140 [ 6151.787886][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6151.787886][ T72] inet6_addr_add+0x4f8/0xa40 [ 6151.787886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.787886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.787886][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.787886][ T72] netlink_unicast+0x449/0x710 [ 6151.787886][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.787886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.787886][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.787886][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.787886][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.787886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.787886][ T72] [ 6151.790117][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6151.790117][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.790117][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.790117][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.790117][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6151.790117][ T72] ipv6_add_addr+0x411/0x2000 [ 6151.790117][ T72] inet6_addr_add+0x30e/0xa40 [ 6151.790117][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.790117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.790117][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.790117][ T72] netlink_unicast+0x449/0x710 [ 6151.790117][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.790117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.790117][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.790117][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.790117][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.790117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.790117][ T72] [ 6151.792395][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6151.792395][ T72] netdev_get_by_index+0x5e/0x80 [ 6151.792395][ T72] fib6_nh_init+0x3d8/0x1580 [ 6151.792395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6151.792395][ T72] ip6_route_add+0x1c/0x140 [ 6151.792395][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6151.792395][ T72] addrconf_add_dev+0xe2/0x170 [ 6151.792395][ T72] inet6_addr_add+0x12f/0xa40 [ 6151.792395][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.792395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.792395][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.792395][ T72] netlink_unicast+0x449/0x710 [ 6151.792395][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.792395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.792395][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.792395][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.792395][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.792395][ T72] [ 6151.794520][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6151.794520][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6151.794520][ T72] ipv6_find_idev+0x102/0x170 [ 6151.794520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.794520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.794520][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.794520][ T72] netlink_unicast+0x449/0x710 [ 6151.794520][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.794520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.794520][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.794520][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.794520][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.794520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.794520][ T72] [ 6151.796226][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6151.796226][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6151.796226][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6151.796226][ T72] ipv6_find_idev+0x102/0x170 [ 6151.796226][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.796226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.796226][ T72] netlink_rcv_skb+0x130/0x360 [ 6151.796226][ T72] netlink_unicast+0x449/0x710 [ 6151.796226][ T72] netlink_sendmsg+0x723/0xbe0 [ 6151.796226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6151.796226][ T72] ___sys_sendmsg+0xee/0x170 [ 6151.796226][ T72] __sys_sendmsg+0xcd/0x170 [ 6151.796226][ T72] do_syscall_64+0xc6/0x1e0 [ 6151.796226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.796226][ T72] [ 6161.848926][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6161.849373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6161.849373][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6161.849373][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6161.849373][ T72] fib6_nh_init+0xa22/0x1580 [ 6161.849373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.849373][ T72] ip6_route_add+0x1c/0x140 [ 6161.849373][ T72] inet6_rtm_newroute+0x104/0x110 [ 6161.849373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.849373][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.849373][ T72] netlink_unicast+0x449/0x710 [ 6161.849373][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.849373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.849373][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.849373][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.849373][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.849373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.849373][ T72] [ 6161.851479][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6161.851479][ T72] dst_init+0x84/0x4a0 [ 6161.851479][ T72] dst_alloc+0x97/0x150 [ 6161.851479][ T72] ip6_dst_alloc+0x23/0x90 [ 6161.851479][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6161.851479][ T72] ip6_pol_route+0x56f/0x840 [ 6161.851479][ T72] fib6_rule_lookup+0x456/0x630 [ 6161.851479][ T72] ip6_route_input+0x59c/0xa50 [ 6161.851479][ T72] ipv6_rcv+0x397/0x810 [ 6161.851479][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6161.851479][ T72] process_backlog+0x101/0x620 [ 6161.851479][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6161.851479][ T72] net_rx_action+0x495/0xbe0 [ 6161.851479][ T72] __do_softirq+0x1b5/0x7f6 [ 6161.851479][ T72] [ 6161.853284][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6161.853284][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.853284][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.853284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.853284][ T72] ip6_route_add+0x1c/0x140 [ 6161.853284][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6161.853284][ T72] inet6_addr_add+0x4f8/0xa40 [ 6161.853284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.853284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.853284][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.853284][ T72] netlink_unicast+0x449/0x710 [ 6161.853284][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.853284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.853284][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.853284][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.853284][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.853284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.853284][ T72] [ 6161.855494][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6161.855494][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.855494][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.855494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.855494][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6161.855494][ T72] ipv6_add_addr+0x411/0x2000 [ 6161.855494][ T72] inet6_addr_add+0x30e/0xa40 [ 6161.855494][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.855494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.855494][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.855494][ T72] netlink_unicast+0x449/0x710 [ 6161.855494][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.855494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.855494][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.855494][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.855494][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.855494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.855494][ T72] [ 6161.857688][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6161.857688][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.857688][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.857688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.857688][ T72] ip6_route_add+0x1c/0x140 [ 6161.857688][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6161.857688][ T72] addrconf_add_dev+0xe2/0x170 [ 6161.857688][ T72] inet6_addr_add+0x12f/0xa40 [ 6161.857688][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.857688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.857688][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.857688][ T72] netlink_unicast+0x449/0x710 [ 6161.857688][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.857688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.857688][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.857688][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.857688][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.857688][ T72] [ 6161.859855][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6161.859855][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6161.859855][ T72] ipv6_find_idev+0x102/0x170 [ 6161.859855][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.859855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.859855][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.859855][ T72] netlink_unicast+0x449/0x710 [ 6161.859855][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.859855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.859855][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.859855][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.859855][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.859855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.859855][ T72] [ 6161.861545][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6161.861545][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6161.861545][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6161.861545][ T72] ipv6_find_idev+0x102/0x170 [ 6161.861545][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.861545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.861545][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.861545][ T72] netlink_unicast+0x449/0x710 [ 6161.861545][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.861545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.861545][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.861545][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.861545][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.861545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.861545][ T72] [ 6161.863405][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6161.863697][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6161.863697][ T72] dst_init+0x84/0x4a0 [ 6161.863697][ T72] dst_alloc+0x97/0x150 [ 6161.863697][ T72] ip6_dst_alloc+0x23/0x90 [ 6161.863697][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6161.863697][ T72] ip6_pol_route+0x56f/0x840 [ 6161.863697][ T72] fib6_rule_lookup+0x456/0x630 [ 6161.863697][ T72] ip6_route_input+0x59c/0xa50 [ 6161.863697][ T72] ipv6_rcv+0x397/0x810 [ 6161.863697][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6161.863697][ T72] process_backlog+0x101/0x620 [ 6161.863697][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6161.863697][ T72] net_rx_action+0x495/0xbe0 [ 6161.863697][ T72] __do_softirq+0x1b5/0x7f6 [ 6161.863697][ T72] [ 6161.865499][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6161.865499][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.865499][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.865499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.865499][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6161.865499][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6161.865499][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6161.865499][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6161.865499][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6161.865499][ T72] addrconf_dad_begin+0x310/0x670 [ 6161.865499][ T72] addrconf_dad_work+0x10b/0xab0 [ 6161.865499][ T72] process_one_work+0x84d/0x18a0 [ 6161.865499][ T72] worker_thread+0x587/0xd30 [ 6161.865499][ T72] kthread+0x28a/0x350 [ 6161.865499][ T72] ret_from_fork+0x31/0x70 [ 6161.865499][ T72] ret_from_fork_asm+0x1a/0x30 [ 6161.865499][ T72] [ 6161.867600][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6161.867600][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.867600][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.867600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.867600][ T72] ip6_route_add+0x1c/0x140 [ 6161.867600][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6161.867600][ T72] inet6_addr_add+0x4f8/0xa40 [ 6161.867600][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.867600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.867600][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.867600][ T72] netlink_unicast+0x449/0x710 [ 6161.867600][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.867600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.867600][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.867600][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.867600][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.867600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.867600][ T72] [ 6161.869804][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6161.869804][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.869804][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.869804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.869804][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6161.869804][ T72] ipv6_add_addr+0x411/0x2000 [ 6161.869804][ T72] inet6_addr_add+0x30e/0xa40 [ 6161.869804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.869804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.869804][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.869804][ T72] netlink_unicast+0x449/0x710 [ 6161.869804][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.869804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.869804][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.869804][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.869804][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.869804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.869804][ T72] [ 6161.872005][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6161.872005][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.872005][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.872005][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.872005][ T72] ip6_route_add+0x1c/0x140 [ 6161.872005][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6161.872005][ T72] addrconf_add_dev+0xe2/0x170 [ 6161.872005][ T72] inet6_addr_add+0x12f/0xa40 [ 6161.872005][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.872005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.872005][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.872005][ T72] netlink_unicast+0x449/0x710 [ 6161.872005][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.872005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.872005][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.872005][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.872005][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.872005][ T72] [ 6161.874197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6161.874197][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6161.874197][ T72] ipv6_find_idev+0x102/0x170 [ 6161.874197][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.874197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.874197][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.874197][ T72] netlink_unicast+0x449/0x710 [ 6161.874197][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.874197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.874197][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.874197][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.874197][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.874197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.874197][ T72] [ 6161.875893][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6161.875893][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6161.875893][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6161.875893][ T72] ipv6_find_idev+0x102/0x170 [ 6161.875893][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.875893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.875893][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.875893][ T72] netlink_unicast+0x449/0x710 [ 6161.875893][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.875893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.875893][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.875893][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.875893][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.875893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.875893][ T72] [ 6161.877824][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6161.878170][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6161.878170][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6161.878170][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6161.878170][ T72] fib6_nh_init+0xa22/0x1580 [ 6161.878170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.878170][ T72] ip6_route_add+0x1c/0x140 [ 6161.878170][ T72] inet6_rtm_newroute+0x104/0x110 [ 6161.878170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.878170][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.878170][ T72] netlink_unicast+0x449/0x710 [ 6161.878170][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.878170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.878170][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.878170][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.878170][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.878170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.878170][ T72] [ 6161.880491][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6161.880491][ T72] dst_init+0x84/0x4a0 [ 6161.880491][ T72] dst_alloc+0x97/0x150 [ 6161.880491][ T72] ip6_dst_alloc+0x23/0x90 [ 6161.880491][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6161.880491][ T72] ip6_pol_route+0x56f/0x840 [ 6161.880491][ T72] fib6_rule_lookup+0x456/0x630 [ 6161.880491][ T72] ip6_route_input+0x59c/0xa50 [ 6161.880491][ T72] ipv6_rcv+0x397/0x810 [ 6161.880491][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6161.880491][ T72] process_backlog+0x101/0x620 [ 6161.880491][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6161.880491][ T72] net_rx_action+0x495/0xbe0 [ 6161.880491][ T72] __do_softirq+0x1b5/0x7f6 [ 6161.880491][ T72] [ 6161.882465][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6161.882465][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.882465][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.882465][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.882465][ T72] ip6_route_add+0x1c/0x140 [ 6161.882465][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6161.882465][ T72] inet6_addr_add+0x4f8/0xa40 [ 6161.882465][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.882465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.882465][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.882465][ T72] netlink_unicast+0x449/0x710 [ 6161.882465][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.882465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.882465][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.882465][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.882465][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.882465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.882465][ T72] [ 6161.884903][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6161.884903][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.884903][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.884903][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.884903][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6161.884903][ T72] ipv6_add_addr+0x411/0x2000 [ 6161.884903][ T72] inet6_addr_add+0x30e/0xa40 [ 6161.884903][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.884903][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.884903][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.884903][ T72] netlink_unicast+0x449/0x710 [ 6161.884903][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.884903][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.884903][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.884903][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.884903][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.884903][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.884903][ T72] [ 6161.887352][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6161.887352][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.887352][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.887352][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.887352][ T72] ip6_route_add+0x1c/0x140 [ 6161.887352][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6161.887352][ T72] addrconf_add_dev+0xe2/0x170 [ 6161.887352][ T72] inet6_addr_add+0x12f/0xa40 [ 6161.887352][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.887352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.887352][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.887352][ T72] netlink_unicast+0x449/0x710 [ 6161.887352][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.887352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.887352][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.887352][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.887352][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.887352][ T72] [ 6161.889858][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6161.889858][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6161.889858][ T72] ipv6_find_idev+0x102/0x170 [ 6161.889858][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.889858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.889858][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.889858][ T72] netlink_unicast+0x449/0x710 [ 6161.889858][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.889858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.889858][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.889858][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.889858][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.889858][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.889858][ T72] [ 6161.891734][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6161.891734][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6161.891734][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6161.891734][ T72] ipv6_find_idev+0x102/0x170 [ 6161.891734][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.891734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.891734][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.891734][ T72] netlink_unicast+0x449/0x710 [ 6161.891734][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.891734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.891734][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.891734][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.891734][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.891734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.891734][ T72] [ 6161.893763][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6161.894507][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6161.894507][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.894507][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.894507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.894507][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6161.894507][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6161.894507][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6161.894507][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6161.894507][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6161.894507][ T72] addrconf_dad_begin+0x310/0x670 [ 6161.894507][ T72] addrconf_dad_work+0x10b/0xab0 [ 6161.894507][ T72] process_one_work+0x84d/0x18a0 [ 6161.894507][ T72] worker_thread+0x587/0xd30 [ 6161.894507][ T72] kthread+0x28a/0x350 [ 6161.894507][ T72] ret_from_fork+0x31/0x70 [ 6161.894507][ T72] ret_from_fork_asm+0x1a/0x30 [ 6161.894507][ T72] [ 6161.896599][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6161.896599][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.896599][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.896599][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.896599][ T72] ip6_route_add+0x1c/0x140 [ 6161.896599][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6161.896599][ T72] inet6_addr_add+0x4f8/0xa40 [ 6161.896599][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.896599][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.896599][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.896599][ T72] netlink_unicast+0x449/0x710 [ 6161.896599][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.896599][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.896599][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.896599][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.896599][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.896599][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.896599][ T72] [ 6161.898907][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6161.898907][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.898907][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.898907][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.898907][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6161.898907][ T72] ipv6_add_addr+0x411/0x2000 [ 6161.898907][ T72] inet6_addr_add+0x30e/0xa40 [ 6161.898907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.898907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.898907][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.898907][ T72] netlink_unicast+0x449/0x710 [ 6161.898907][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.898907][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.898907][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.898907][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.898907][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.898907][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.898907][ T72] [ 6161.901360][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6161.901360][ T72] netdev_get_by_index+0x5e/0x80 [ 6161.901360][ T72] fib6_nh_init+0x3d8/0x1580 [ 6161.901360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6161.901360][ T72] ip6_route_add+0x1c/0x140 [ 6161.901360][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6161.901360][ T72] addrconf_add_dev+0xe2/0x170 [ 6161.901360][ T72] inet6_addr_add+0x12f/0xa40 [ 6161.901360][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.901360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.901360][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.901360][ T72] netlink_unicast+0x449/0x710 [ 6161.901360][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.901360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.901360][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.901360][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.901360][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.901360][ T72] [ 6161.903816][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6161.903816][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6161.903816][ T72] ipv6_find_idev+0x102/0x170 [ 6161.903816][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.903816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.903816][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.903816][ T72] netlink_unicast+0x449/0x710 [ 6161.903816][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.903816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.903816][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.903816][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.903816][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.903816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.903816][ T72] [ 6161.905688][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6161.905688][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6161.905688][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6161.905688][ T72] ipv6_find_idev+0x102/0x170 [ 6161.905688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.905688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.905688][ T72] netlink_rcv_skb+0x130/0x360 [ 6161.905688][ T72] netlink_unicast+0x449/0x710 [ 6161.905688][ T72] netlink_sendmsg+0x723/0xbe0 [ 6161.905688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6161.905688][ T72] ___sys_sendmsg+0xee/0x170 [ 6161.905688][ T72] __sys_sendmsg+0xcd/0x170 [ 6161.905688][ T72] do_syscall_64+0xc6/0x1e0 [ 6161.905688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.905688][ T72] [ 6172.152911][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6172.153424][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6172.153424][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6172.153424][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6172.153424][ T72] fib6_nh_init+0xa22/0x1580 [ 6172.153424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.153424][ T72] ip6_route_add+0x1c/0x140 [ 6172.153424][ T72] inet6_rtm_newroute+0x104/0x110 [ 6172.153424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.153424][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.153424][ T72] netlink_unicast+0x449/0x710 [ 6172.153424][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.153424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.153424][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.153424][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.153424][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.153424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.153424][ T72] [ 6172.155512][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6172.155512][ T72] dst_init+0x84/0x4a0 [ 6172.155512][ T72] dst_alloc+0x97/0x150 [ 6172.155512][ T72] ip6_dst_alloc+0x23/0x90 [ 6172.155512][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6172.155512][ T72] ip6_pol_route+0x56f/0x840 [ 6172.155512][ T72] fib6_rule_lookup+0x456/0x630 [ 6172.155512][ T72] ip6_route_input+0x59c/0xa50 [ 6172.155512][ T72] ipv6_rcv+0x397/0x810 [ 6172.155512][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6172.155512][ T72] process_backlog+0x101/0x620 [ 6172.155512][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6172.155512][ T72] net_rx_action+0x495/0xbe0 [ 6172.155512][ T72] __do_softirq+0x1b5/0x7f6 [ 6172.155512][ T72] [ 6172.157316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6172.157316][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.157316][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.157316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.157316][ T72] ip6_route_add+0x1c/0x140 [ 6172.157316][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6172.157316][ T72] inet6_addr_add+0x4f8/0xa40 [ 6172.157316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.157316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.157316][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.157316][ T72] netlink_unicast+0x449/0x710 [ 6172.157316][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.157316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.157316][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.157316][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.157316][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.157316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.157316][ T72] [ 6172.159536][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6172.159536][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.159536][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.159536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.159536][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6172.159536][ T72] ipv6_add_addr+0x411/0x2000 [ 6172.159536][ T72] inet6_addr_add+0x30e/0xa40 [ 6172.159536][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.159536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.159536][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.159536][ T72] netlink_unicast+0x449/0x710 [ 6172.159536][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.159536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.159536][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.159536][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.159536][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.159536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.159536][ T72] [ 6172.161774][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6172.161774][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.161774][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.161774][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.161774][ T72] ip6_route_add+0x1c/0x140 [ 6172.161774][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6172.161774][ T72] addrconf_add_dev+0xe2/0x170 [ 6172.161774][ T72] inet6_addr_add+0x12f/0xa40 [ 6172.161774][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.161774][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.161774][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.161774][ T72] netlink_unicast+0x449/0x710 [ 6172.161774][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.161774][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.161774][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.161774][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.161774][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.161774][ T72] [ 6172.163947][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6172.163947][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6172.163947][ T72] ipv6_find_idev+0x102/0x170 [ 6172.163947][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.163947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.163947][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.163947][ T72] netlink_unicast+0x449/0x710 [ 6172.163947][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.163947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.163947][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.163947][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.163947][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.163947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.163947][ T72] [ 6172.165652][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6172.165652][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6172.165652][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6172.165652][ T72] ipv6_find_idev+0x102/0x170 [ 6172.165652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.165652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.165652][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.165652][ T72] netlink_unicast+0x449/0x710 [ 6172.165652][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.165652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.165652][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.165652][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.165652][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.165652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.165652][ T72] [ 6172.167535][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6172.167831][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6172.167831][ T72] dst_init+0x84/0x4a0 [ 6172.167831][ T72] dst_alloc+0x97/0x150 [ 6172.167831][ T72] ip6_dst_alloc+0x23/0x90 [ 6172.167831][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6172.167831][ T72] ip6_pol_route+0x56f/0x840 [ 6172.167831][ T72] fib6_rule_lookup+0x456/0x630 [ 6172.167831][ T72] ip6_route_input+0x59c/0xa50 [ 6172.167831][ T72] ipv6_rcv+0x397/0x810 [ 6172.167831][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6172.167831][ T72] process_backlog+0x101/0x620 [ 6172.167831][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6172.167831][ T72] net_rx_action+0x495/0xbe0 [ 6172.167831][ T72] __do_softirq+0x1b5/0x7f6 [ 6172.167831][ T72] [ 6172.169653][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6172.169653][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.169653][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.169653][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.169653][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6172.169653][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6172.169653][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6172.169653][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6172.169653][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6172.169653][ T72] addrconf_dad_begin+0x310/0x670 [ 6172.169653][ T72] addrconf_dad_work+0x10b/0xab0 [ 6172.169653][ T72] process_one_work+0x84d/0x18a0 [ 6172.169653][ T72] worker_thread+0x587/0xd30 [ 6172.169653][ T72] kthread+0x28a/0x350 [ 6172.169653][ T72] ret_from_fork+0x31/0x70 [ 6172.169653][ T72] ret_from_fork_asm+0x1a/0x30 [ 6172.169653][ T72] [ 6172.171759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6172.171759][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.171759][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.171759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.171759][ T72] ip6_route_add+0x1c/0x140 [ 6172.171759][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6172.171759][ T72] inet6_addr_add+0x4f8/0xa40 [ 6172.171759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.171759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.171759][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.171759][ T72] netlink_unicast+0x449/0x710 [ 6172.171759][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.171759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.171759][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.171759][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.171759][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.171759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.171759][ T72] [ 6172.173968][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6172.173968][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.173968][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.173968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.173968][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6172.173968][ T72] ipv6_add_addr+0x411/0x2000 [ 6172.173968][ T72] inet6_addr_add+0x30e/0xa40 [ 6172.173968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.173968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.173968][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.173968][ T72] netlink_unicast+0x449/0x710 [ 6172.173968][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.173968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.173968][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.173968][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.173968][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.173968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.173968][ T72] [ 6172.176174][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6172.176174][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.176174][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.176174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.176174][ T72] ip6_route_add+0x1c/0x140 [ 6172.176174][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6172.176174][ T72] addrconf_add_dev+0xe2/0x170 [ 6172.176174][ T72] inet6_addr_add+0x12f/0xa40 [ 6172.176174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.176174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.176174][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.176174][ T72] netlink_unicast+0x449/0x710 [ 6172.176174][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.176174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.176174][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.176174][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.176174][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.176174][ T72] [ 6172.178339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6172.178339][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6172.178339][ T72] ipv6_find_idev+0x102/0x170 [ 6172.178339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.178339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.178339][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.178339][ T72] netlink_unicast+0x449/0x710 [ 6172.178339][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.178339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.178339][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.178339][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.178339][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.178339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.178339][ T72] [ 6172.180048][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6172.180048][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6172.180048][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6172.180048][ T72] ipv6_find_idev+0x102/0x170 [ 6172.180048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.180048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.180048][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.180048][ T72] netlink_unicast+0x449/0x710 [ 6172.180048][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.180048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.180048][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.180048][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.180048][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.180048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.180048][ T72] [ 6172.182013][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6172.182308][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6172.182308][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6172.182308][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6172.182308][ T72] fib6_nh_init+0xa22/0x1580 [ 6172.182308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.182308][ T72] ip6_route_add+0x1c/0x140 [ 6172.182308][ T72] inet6_rtm_newroute+0x104/0x110 [ 6172.182308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.182308][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.182308][ T72] netlink_unicast+0x449/0x710 [ 6172.182308][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.182308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.182308][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.182308][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.182308][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.182308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.182308][ T72] [ 6172.184681][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6172.184681][ T72] dst_init+0x84/0x4a0 [ 6172.184681][ T72] dst_alloc+0x97/0x150 [ 6172.184681][ T72] ip6_dst_alloc+0x23/0x90 [ 6172.184681][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6172.184681][ T72] ip6_pol_route+0x56f/0x840 [ 6172.184681][ T72] fib6_rule_lookup+0x456/0x630 [ 6172.184681][ T72] ip6_route_input+0x59c/0xa50 [ 6172.184681][ T72] ipv6_rcv+0x397/0x810 [ 6172.184681][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6172.184681][ T72] process_backlog+0x101/0x620 [ 6172.184681][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6172.184681][ T72] net_rx_action+0x495/0xbe0 [ 6172.184681][ T72] __do_softirq+0x1b5/0x7f6 [ 6172.184681][ T72] [ 6172.186667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6172.186667][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.186667][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.186667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.186667][ T72] ip6_route_add+0x1c/0x140 [ 6172.186667][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6172.186667][ T72] inet6_addr_add+0x4f8/0xa40 [ 6172.186667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.186667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.186667][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.186667][ T72] netlink_unicast+0x449/0x710 [ 6172.186667][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.186667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.186667][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.186667][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.186667][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.186667][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.186667][ T72] [ 6172.189064][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6172.189064][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.189064][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.189064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.189064][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6172.189064][ T72] ipv6_add_addr+0x411/0x2000 [ 6172.189064][ T72] inet6_addr_add+0x30e/0xa40 [ 6172.189064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.189064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.189064][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.189064][ T72] netlink_unicast+0x449/0x710 [ 6172.189064][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.189064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.189064][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.189064][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.189064][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.189064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.189064][ T72] [ 6172.191530][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6172.191530][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.191530][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.191530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.191530][ T72] ip6_route_add+0x1c/0x140 [ 6172.191530][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6172.191530][ T72] addrconf_add_dev+0xe2/0x170 [ 6172.191530][ T72] inet6_addr_add+0x12f/0xa40 [ 6172.191530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.191530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.191530][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.191530][ T72] netlink_unicast+0x449/0x710 [ 6172.191530][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.191530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.191530][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.191530][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.191530][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.191530][ T72] [ 6172.194008][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6172.194008][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6172.194008][ T72] ipv6_find_idev+0x102/0x170 [ 6172.194008][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.194008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.194008][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.194008][ T72] netlink_unicast+0x449/0x710 [ 6172.194008][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.194008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.194008][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.194008][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.194008][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.194008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.194008][ T72] [ 6172.195886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6172.195886][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6172.195886][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6172.195886][ T72] ipv6_find_idev+0x102/0x170 [ 6172.195886][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.195886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.195886][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.195886][ T72] netlink_unicast+0x449/0x710 [ 6172.195886][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.195886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.195886][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.195886][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.195886][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.195886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.195886][ T72] [ 6172.197926][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6172.198287][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6172.198287][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.198287][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.198287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.198287][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6172.198287][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6172.198287][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6172.198287][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6172.198287][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6172.198287][ T72] addrconf_dad_begin+0x310/0x670 [ 6172.198287][ T72] addrconf_dad_work+0x10b/0xab0 [ 6172.198287][ T72] process_one_work+0x84d/0x18a0 [ 6172.198287][ T72] worker_thread+0x587/0xd30 [ 6172.198287][ T72] kthread+0x28a/0x350 [ 6172.198287][ T72] ret_from_fork+0x31/0x70 [ 6172.198287][ T72] ret_from_fork_asm+0x1a/0x30 [ 6172.198287][ T72] [ 6172.200577][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6172.200577][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.200577][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.200577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.200577][ T72] ip6_route_add+0x1c/0x140 [ 6172.200577][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6172.200577][ T72] inet6_addr_add+0x4f8/0xa40 [ 6172.200577][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.200577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.200577][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.200577][ T72] netlink_unicast+0x449/0x710 [ 6172.200577][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.200577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.200577][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.200577][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.200577][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.200577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.200577][ T72] [ 6172.203022][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6172.203022][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.203022][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.203022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.203022][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6172.203022][ T72] ipv6_add_addr+0x411/0x2000 [ 6172.203022][ T72] inet6_addr_add+0x30e/0xa40 [ 6172.203022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.203022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.203022][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.203022][ T72] netlink_unicast+0x449/0x710 [ 6172.203022][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.203022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.203022][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.203022][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.203022][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.203022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.203022][ T72] [ 6172.205523][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6172.205523][ T72] netdev_get_by_index+0x5e/0x80 [ 6172.205523][ T72] fib6_nh_init+0x3d8/0x1580 [ 6172.205523][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6172.205523][ T72] ip6_route_add+0x1c/0x140 [ 6172.205523][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6172.205523][ T72] addrconf_add_dev+0xe2/0x170 [ 6172.205523][ T72] inet6_addr_add+0x12f/0xa40 [ 6172.205523][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.205523][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.205523][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.205523][ T72] netlink_unicast+0x449/0x710 [ 6172.205523][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.205523][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.205523][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.205523][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.205523][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.205523][ T72] [ 6172.208450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6172.208450][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6172.208450][ T72] ipv6_find_idev+0x102/0x170 [ 6172.208450][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.208450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.208450][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.208450][ T72] netlink_unicast+0x449/0x710 [ 6172.208450][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.208450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.208450][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.208450][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.208450][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.208450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.208450][ T72] [ 6172.210328][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6172.210328][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6172.210328][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6172.210328][ T72] ipv6_find_idev+0x102/0x170 [ 6172.210328][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.210328][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.210328][ T72] netlink_rcv_skb+0x130/0x360 [ 6172.210328][ T72] netlink_unicast+0x449/0x710 [ 6172.210328][ T72] netlink_sendmsg+0x723/0xbe0 [ 6172.210328][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6172.210328][ T72] ___sys_sendmsg+0xee/0x170 [ 6172.210328][ T72] __sys_sendmsg+0xcd/0x170 [ 6172.210328][ T72] do_syscall_64+0xc6/0x1e0 [ 6172.210328][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.210328][ T72] [ 6182.448880][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6182.449373][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6182.449373][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6182.449373][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6182.449373][ T72] fib6_nh_init+0xa22/0x1580 [ 6182.449373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.449373][ T72] ip6_route_add+0x1c/0x140 [ 6182.449373][ T72] inet6_rtm_newroute+0x104/0x110 [ 6182.449373][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.449373][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.449373][ T72] netlink_unicast+0x449/0x710 [ 6182.449373][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.449373][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.449373][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.449373][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.449373][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.449373][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.449373][ T72] [ 6182.451276][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6182.451276][ T72] dst_init+0x84/0x4a0 [ 6182.451276][ T72] dst_alloc+0x97/0x150 [ 6182.451276][ T72] ip6_dst_alloc+0x23/0x90 [ 6182.451276][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6182.451276][ T72] ip6_pol_route+0x56f/0x840 [ 6182.451276][ T72] fib6_rule_lookup+0x456/0x630 [ 6182.451276][ T72] ip6_route_input+0x59c/0xa50 [ 6182.451276][ T72] ipv6_rcv+0x397/0x810 [ 6182.451276][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6182.451276][ T72] process_backlog+0x101/0x620 [ 6182.451276][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6182.451276][ T72] net_rx_action+0x495/0xbe0 [ 6182.451276][ T72] __do_softirq+0x1b5/0x7f6 [ 6182.451276][ T72] [ 6182.452914][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6182.452914][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.452914][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.452914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.452914][ T72] ip6_route_add+0x1c/0x140 [ 6182.452914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6182.452914][ T72] inet6_addr_add+0x4f8/0xa40 [ 6182.452914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.452914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.452914][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.452914][ T72] netlink_unicast+0x449/0x710 [ 6182.452914][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.452914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.452914][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.452914][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.452914][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.452914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.452914][ T72] [ 6182.454902][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6182.454902][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.454902][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.454902][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.454902][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6182.454902][ T72] ipv6_add_addr+0x411/0x2000 [ 6182.454902][ T72] inet6_addr_add+0x30e/0xa40 [ 6182.454902][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.454902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.454902][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.454902][ T72] netlink_unicast+0x449/0x710 [ 6182.454902][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.454902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.454902][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.454902][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.454902][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.454902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.454902][ T72] [ 6182.456884][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6182.456884][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.456884][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.456884][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.456884][ T72] ip6_route_add+0x1c/0x140 [ 6182.456884][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6182.456884][ T72] addrconf_add_dev+0xe2/0x170 [ 6182.456884][ T72] inet6_addr_add+0x12f/0xa40 [ 6182.456884][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.456884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.456884][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.456884][ T72] netlink_unicast+0x449/0x710 [ 6182.456884][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.456884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.456884][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.456884][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.456884][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.456884][ T72] [ 6182.458842][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6182.458842][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6182.458842][ T72] ipv6_find_idev+0x102/0x170 [ 6182.458842][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.458842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.458842][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.458842][ T72] netlink_unicast+0x449/0x710 [ 6182.458842][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.458842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.458842][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.458842][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.458842][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.458842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.458842][ T72] [ 6182.460388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6182.460388][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6182.460388][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6182.460388][ T72] ipv6_find_idev+0x102/0x170 [ 6182.460388][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.460388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.460388][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.460388][ T72] netlink_unicast+0x449/0x710 [ 6182.460388][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.460388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.460388][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.460388][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.460388][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.460388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.460388][ T72] [ 6182.462075][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6182.462339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6182.462339][ T72] dst_init+0x84/0x4a0 [ 6182.462339][ T72] dst_alloc+0x97/0x150 [ 6182.462339][ T72] ip6_dst_alloc+0x23/0x90 [ 6182.462339][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6182.462339][ T72] ip6_pol_route+0x56f/0x840 [ 6182.462339][ T72] fib6_rule_lookup+0x456/0x630 [ 6182.462339][ T72] ip6_route_input+0x59c/0xa50 [ 6182.462339][ T72] ipv6_rcv+0x397/0x810 [ 6182.462339][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6182.462339][ T72] process_backlog+0x101/0x620 [ 6182.462339][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6182.462339][ T72] net_rx_action+0x495/0xbe0 [ 6182.462339][ T72] __do_softirq+0x1b5/0x7f6 [ 6182.462339][ T72] [ 6182.463966][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6182.463966][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.463966][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.463966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.463966][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6182.463966][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6182.463966][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6182.463966][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6182.463966][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6182.463966][ T72] addrconf_dad_begin+0x310/0x670 [ 6182.463966][ T72] addrconf_dad_work+0x10b/0xab0 [ 6182.463966][ T72] process_one_work+0x84d/0x18a0 [ 6182.463966][ T72] worker_thread+0x587/0xd30 [ 6182.463966][ T72] kthread+0x28a/0x350 [ 6182.463966][ T72] ret_from_fork+0x31/0x70 [ 6182.463966][ T72] ret_from_fork_asm+0x1a/0x30 [ 6182.463966][ T72] [ 6182.465863][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6182.465863][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.465863][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.465863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.465863][ T72] ip6_route_add+0x1c/0x140 [ 6182.465863][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6182.465863][ T72] inet6_addr_add+0x4f8/0xa40 [ 6182.465863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.465863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.465863][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.465863][ T72] netlink_unicast+0x449/0x710 [ 6182.465863][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.465863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.465863][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.465863][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.465863][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.465863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.465863][ T72] [ 6182.467840][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6182.467840][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.467840][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.467840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.467840][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6182.467840][ T72] ipv6_add_addr+0x411/0x2000 [ 6182.467840][ T72] inet6_addr_add+0x30e/0xa40 [ 6182.467840][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.467840][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.467840][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.467840][ T72] netlink_unicast+0x449/0x710 [ 6182.467840][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.467840][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.467840][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.467840][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.467840][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.467840][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.467840][ T72] [ 6182.469833][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6182.469833][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.469833][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.469833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.469833][ T72] ip6_route_add+0x1c/0x140 [ 6182.469833][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6182.469833][ T72] addrconf_add_dev+0xe2/0x170 [ 6182.469833][ T72] inet6_addr_add+0x12f/0xa40 [ 6182.469833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.469833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.469833][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.469833][ T72] netlink_unicast+0x449/0x710 [ 6182.469833][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.469833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.469833][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.469833][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.469833][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.469833][ T72] [ 6182.471778][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6182.471778][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6182.471778][ T72] ipv6_find_idev+0x102/0x170 [ 6182.471778][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.471778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.471778][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.471778][ T72] netlink_unicast+0x449/0x710 [ 6182.471778][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.471778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.471778][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.471778][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.471778][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.471778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.471778][ T72] [ 6182.473301][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6182.473301][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6182.473301][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6182.473301][ T72] ipv6_find_idev+0x102/0x170 [ 6182.473301][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.473301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.473301][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.473301][ T72] netlink_unicast+0x449/0x710 [ 6182.473301][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.473301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.473301][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.473301][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.473301][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.473301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.473301][ T72] [ 6182.475043][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6182.475306][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6182.475306][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6182.475306][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6182.475306][ T72] fib6_nh_init+0xa22/0x1580 [ 6182.475306][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.475306][ T72] ip6_route_add+0x1c/0x140 [ 6182.475306][ T72] inet6_rtm_newroute+0x104/0x110 [ 6182.475306][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.475306][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.475306][ T72] netlink_unicast+0x449/0x710 [ 6182.475306][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.475306][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.475306][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.475306][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.475306][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.475306][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.475306][ T72] [ 6182.477373][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6182.477373][ T72] dst_init+0x84/0x4a0 [ 6182.477373][ T72] dst_alloc+0x97/0x150 [ 6182.477373][ T72] ip6_dst_alloc+0x23/0x90 [ 6182.477373][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6182.477373][ T72] ip6_pol_route+0x56f/0x840 [ 6182.477373][ T72] fib6_rule_lookup+0x456/0x630 [ 6182.477373][ T72] ip6_route_input+0x59c/0xa50 [ 6182.477373][ T72] ipv6_rcv+0x397/0x810 [ 6182.477373][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6182.477373][ T72] process_backlog+0x101/0x620 [ 6182.477373][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6182.477373][ T72] net_rx_action+0x495/0xbe0 [ 6182.477373][ T72] __do_softirq+0x1b5/0x7f6 [ 6182.477373][ T72] [ 6182.479049][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6182.479049][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.479049][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.479049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.479049][ T72] ip6_route_add+0x1c/0x140 [ 6182.479049][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6182.479049][ T72] inet6_addr_add+0x4f8/0xa40 [ 6182.479049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.479049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.479049][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.479049][ T72] netlink_unicast+0x449/0x710 [ 6182.479049][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.479049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.479049][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.479049][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.479049][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.479049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.479049][ T72] [ 6182.481177][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6182.481177][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.481177][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.481177][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.481177][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6182.481177][ T72] ipv6_add_addr+0x411/0x2000 [ 6182.481177][ T72] inet6_addr_add+0x30e/0xa40 [ 6182.481177][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.481177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.481177][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.481177][ T72] netlink_unicast+0x449/0x710 [ 6182.481177][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.481177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.481177][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.481177][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.481177][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.481177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.481177][ T72] [ 6182.483286][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6182.483286][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.483286][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.483286][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.483286][ T72] ip6_route_add+0x1c/0x140 [ 6182.483286][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6182.483286][ T72] addrconf_add_dev+0xe2/0x170 [ 6182.483286][ T72] inet6_addr_add+0x12f/0xa40 [ 6182.483286][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.483286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.483286][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.483286][ T72] netlink_unicast+0x449/0x710 [ 6182.483286][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.483286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.483286][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.483286][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.483286][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.483286][ T72] [ 6182.485358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6182.485358][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6182.485358][ T72] ipv6_find_idev+0x102/0x170 [ 6182.485358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.485358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.485358][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.485358][ T72] netlink_unicast+0x449/0x710 [ 6182.485358][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.485358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.485358][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.485358][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.485358][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.485358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.485358][ T72] [ 6182.486946][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6182.486946][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6182.486946][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6182.486946][ T72] ipv6_find_idev+0x102/0x170 [ 6182.486946][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.486946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.486946][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.486946][ T72] netlink_unicast+0x449/0x710 [ 6182.486946][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.486946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.486946][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.486946][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.486946][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.486946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.486946][ T72] [ 6182.488741][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6182.489467][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6182.489467][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.489467][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.489467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.489467][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6182.489467][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6182.489467][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6182.489467][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6182.489467][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6182.489467][ T72] addrconf_dad_begin+0x310/0x670 [ 6182.489467][ T72] addrconf_dad_work+0x10b/0xab0 [ 6182.489467][ T72] process_one_work+0x84d/0x18a0 [ 6182.489467][ T72] worker_thread+0x587/0xd30 [ 6182.489467][ T72] kthread+0x28a/0x350 [ 6182.489467][ T72] ret_from_fork+0x31/0x70 [ 6182.489467][ T72] ret_from_fork_asm+0x1a/0x30 [ 6182.489467][ T72] [ 6182.491357][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6182.491357][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.491357][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.491357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.491357][ T72] ip6_route_add+0x1c/0x140 [ 6182.491357][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6182.491357][ T72] inet6_addr_add+0x4f8/0xa40 [ 6182.491357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.491357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.491357][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.491357][ T72] netlink_unicast+0x449/0x710 [ 6182.491357][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.491357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.491357][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.491357][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.491357][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.491357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.491357][ T72] [ 6182.493404][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6182.493404][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.493404][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.493404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.493404][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6182.493404][ T72] ipv6_add_addr+0x411/0x2000 [ 6182.493404][ T72] inet6_addr_add+0x30e/0xa40 [ 6182.493404][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.493404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.493404][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.493404][ T72] netlink_unicast+0x449/0x710 [ 6182.493404][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.493404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.493404][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.493404][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.493404][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.493404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.493404][ T72] [ 6182.495504][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6182.495504][ T72] netdev_get_by_index+0x5e/0x80 [ 6182.495504][ T72] fib6_nh_init+0x3d8/0x1580 [ 6182.495504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6182.495504][ T72] ip6_route_add+0x1c/0x140 [ 6182.495504][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6182.495504][ T72] addrconf_add_dev+0xe2/0x170 [ 6182.495504][ T72] inet6_addr_add+0x12f/0xa40 [ 6182.495504][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6182.495504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.495504][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.495504][ T72] netlink_unicast+0x449/0x710 [ 6182.495504][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.495504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.495504][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.495504][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.495504][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.495504][ T72] [ 6182.497572][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6182.497572][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6182.497572][ T72] ipv6_find_idev+0x102/0x170 [ 6182.497572][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.497572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.497572][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.497572][ T72] netlink_unicast+0x449/0x710 [ 6182.497572][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.497572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.497572][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.497572][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.497572][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.497572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.497572][ T72] [ 6182.499168][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6182.499168][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6182.499168][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6182.499168][ T72] ipv6_find_idev+0x102/0x170 [ 6182.499168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6182.499168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6182.499168][ T72] netlink_rcv_skb+0x130/0x360 [ 6182.499168][ T72] netlink_unicast+0x449/0x710 [ 6182.499168][ T72] netlink_sendmsg+0x723/0xbe0 [ 6182.499168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6182.499168][ T72] ___sys_sendmsg+0xee/0x170 [ 6182.499168][ T72] __sys_sendmsg+0xcd/0x170 [ 6182.499168][ T72] do_syscall_64+0xc6/0x1e0 [ 6182.499168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6182.499168][ T72] [ 6192.736909][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6192.737425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6192.737425][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6192.737425][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6192.737425][ T72] fib6_nh_init+0xa22/0x1580 [ 6192.737425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.737425][ T72] ip6_route_add+0x1c/0x140 [ 6192.737425][ T72] inet6_rtm_newroute+0x104/0x110 [ 6192.737425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.737425][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.737425][ T72] netlink_unicast+0x449/0x710 [ 6192.737425][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.737425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.737425][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.737425][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.737425][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.737425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.737425][ T72] [ 6192.739319][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6192.739319][ T72] dst_init+0x84/0x4a0 [ 6192.739319][ T72] dst_alloc+0x97/0x150 [ 6192.739319][ T72] ip6_dst_alloc+0x23/0x90 [ 6192.739319][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6192.739319][ T72] ip6_pol_route+0x56f/0x840 [ 6192.739319][ T72] fib6_rule_lookup+0x456/0x630 [ 6192.739319][ T72] ip6_route_input+0x59c/0xa50 [ 6192.739319][ T72] ipv6_rcv+0x397/0x810 [ 6192.739319][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6192.739319][ T72] process_backlog+0x101/0x620 [ 6192.739319][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6192.739319][ T72] net_rx_action+0x495/0xbe0 [ 6192.739319][ T72] __do_softirq+0x1b5/0x7f6 [ 6192.739319][ T72] [ 6192.740990][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6192.740990][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.740990][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.740990][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.740990][ T72] ip6_route_add+0x1c/0x140 [ 6192.740990][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6192.740990][ T72] inet6_addr_add+0x4f8/0xa40 [ 6192.740990][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.740990][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.740990][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.740990][ T72] netlink_unicast+0x449/0x710 [ 6192.740990][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.740990][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.740990][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.740990][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.740990][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.740990][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.740990][ T72] [ 6192.742979][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6192.742979][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.742979][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.742979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.742979][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6192.742979][ T72] ipv6_add_addr+0x411/0x2000 [ 6192.742979][ T72] inet6_addr_add+0x30e/0xa40 [ 6192.742979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.742979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.742979][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.742979][ T72] netlink_unicast+0x449/0x710 [ 6192.742979][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.742979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.742979][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.742979][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.742979][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.742979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.742979][ T72] [ 6192.744936][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6192.744936][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.744936][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.744936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.744936][ T72] ip6_route_add+0x1c/0x140 [ 6192.744936][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6192.744936][ T72] addrconf_add_dev+0xe2/0x170 [ 6192.744936][ T72] inet6_addr_add+0x12f/0xa40 [ 6192.744936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.744936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.744936][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.744936][ T72] netlink_unicast+0x449/0x710 [ 6192.744936][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.744936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.744936][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.744936][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.744936][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.744936][ T72] [ 6192.746868][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6192.746868][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6192.746868][ T72] ipv6_find_idev+0x102/0x170 [ 6192.746868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.746868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.746868][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.746868][ T72] netlink_unicast+0x449/0x710 [ 6192.746868][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.746868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.746868][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.746868][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.746868][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.746868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.746868][ T72] [ 6192.748429][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6192.748429][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6192.748429][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6192.748429][ T72] ipv6_find_idev+0x102/0x170 [ 6192.748429][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.748429][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.748429][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.748429][ T72] netlink_unicast+0x449/0x710 [ 6192.748429][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.748429][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.748429][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.748429][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.748429][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.748429][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.748429][ T72] [ 6192.750130][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6192.750425][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6192.750425][ T72] dst_init+0x84/0x4a0 [ 6192.750425][ T72] dst_alloc+0x97/0x150 [ 6192.750425][ T72] ip6_dst_alloc+0x23/0x90 [ 6192.750425][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6192.750425][ T72] ip6_pol_route+0x56f/0x840 [ 6192.750425][ T72] fib6_rule_lookup+0x456/0x630 [ 6192.750425][ T72] ip6_route_input+0x59c/0xa50 [ 6192.750425][ T72] ipv6_rcv+0x397/0x810 [ 6192.750425][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6192.750425][ T72] process_backlog+0x101/0x620 [ 6192.750425][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6192.750425][ T72] net_rx_action+0x495/0xbe0 [ 6192.750425][ T72] __do_softirq+0x1b5/0x7f6 [ 6192.750425][ T72] [ 6192.752124][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6192.752124][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.752124][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.752124][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.752124][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6192.752124][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6192.752124][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6192.752124][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6192.752124][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6192.752124][ T72] addrconf_dad_begin+0x310/0x670 [ 6192.752124][ T72] addrconf_dad_work+0x10b/0xab0 [ 6192.752124][ T72] process_one_work+0x84d/0x18a0 [ 6192.752124][ T72] worker_thread+0x587/0xd30 [ 6192.752124][ T72] kthread+0x28a/0x350 [ 6192.752124][ T72] ret_from_fork+0x31/0x70 [ 6192.752124][ T72] ret_from_fork_asm+0x1a/0x30 [ 6192.752124][ T72] [ 6192.753993][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6192.753993][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.753993][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.753993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.753993][ T72] ip6_route_add+0x1c/0x140 [ 6192.753993][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6192.753993][ T72] inet6_addr_add+0x4f8/0xa40 [ 6192.753993][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.753993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.753993][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.753993][ T72] netlink_unicast+0x449/0x710 [ 6192.753993][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.753993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.753993][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.753993][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.753993][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.753993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.753993][ T72] [ 6192.755949][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6192.755949][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.755949][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.755949][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.755949][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6192.755949][ T72] ipv6_add_addr+0x411/0x2000 [ 6192.755949][ T72] inet6_addr_add+0x30e/0xa40 [ 6192.755949][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.755949][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.755949][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.755949][ T72] netlink_unicast+0x449/0x710 [ 6192.755949][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.755949][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.755949][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.755949][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.755949][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.755949][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.755949][ T72] [ 6192.757948][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6192.757948][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.757948][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.757948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.757948][ T72] ip6_route_add+0x1c/0x140 [ 6192.757948][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6192.757948][ T72] addrconf_add_dev+0xe2/0x170 [ 6192.757948][ T72] inet6_addr_add+0x12f/0xa40 [ 6192.757948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.757948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.757948][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.757948][ T72] netlink_unicast+0x449/0x710 [ 6192.757948][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.757948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.757948][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.757948][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.757948][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.757948][ T72] [ 6192.759944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6192.759944][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6192.759944][ T72] ipv6_find_idev+0x102/0x170 [ 6192.759944][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.759944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.759944][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.759944][ T72] netlink_unicast+0x449/0x710 [ 6192.759944][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.759944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.759944][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.759944][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.759944][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.759944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.759944][ T72] [ 6192.761529][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6192.761529][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6192.761529][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6192.761529][ T72] ipv6_find_idev+0x102/0x170 [ 6192.761529][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.761529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.761529][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.761529][ T72] netlink_unicast+0x449/0x710 [ 6192.761529][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.761529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.761529][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.761529][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.761529][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.761529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.761529][ T72] [ 6192.763340][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6192.763611][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6192.763611][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6192.763611][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6192.763611][ T72] fib6_nh_init+0xa22/0x1580 [ 6192.763611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.763611][ T72] ip6_route_add+0x1c/0x140 [ 6192.763611][ T72] inet6_rtm_newroute+0x104/0x110 [ 6192.763611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.763611][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.763611][ T72] netlink_unicast+0x449/0x710 [ 6192.763611][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.763611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.763611][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.763611][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.763611][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.763611][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.763611][ T72] [ 6192.765733][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6192.765733][ T72] dst_init+0x84/0x4a0 [ 6192.765733][ T72] dst_alloc+0x97/0x150 [ 6192.765733][ T72] ip6_dst_alloc+0x23/0x90 [ 6192.765733][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6192.765733][ T72] ip6_pol_route+0x56f/0x840 [ 6192.765733][ T72] fib6_rule_lookup+0x456/0x630 [ 6192.765733][ T72] ip6_route_input+0x59c/0xa50 [ 6192.765733][ T72] ipv6_rcv+0x397/0x810 [ 6192.765733][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6192.765733][ T72] process_backlog+0x101/0x620 [ 6192.765733][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6192.765733][ T72] net_rx_action+0x495/0xbe0 [ 6192.765733][ T72] __do_softirq+0x1b5/0x7f6 [ 6192.765733][ T72] [ 6192.767560][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6192.767560][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.767560][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.767560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.767560][ T72] ip6_route_add+0x1c/0x140 [ 6192.767560][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6192.767560][ T72] inet6_addr_add+0x4f8/0xa40 [ 6192.767560][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.767560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.767560][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.767560][ T72] netlink_unicast+0x449/0x710 [ 6192.767560][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.767560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.767560][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.767560][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.767560][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.767560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.767560][ T72] [ 6192.769728][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6192.769728][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.769728][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.769728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.769728][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6192.769728][ T72] ipv6_add_addr+0x411/0x2000 [ 6192.769728][ T72] inet6_addr_add+0x30e/0xa40 [ 6192.769728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.769728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.769728][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.769728][ T72] netlink_unicast+0x449/0x710 [ 6192.769728][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.769728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.769728][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.769728][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.769728][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.769728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.769728][ T72] [ 6192.772055][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6192.772055][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.772055][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.772055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.772055][ T72] ip6_route_add+0x1c/0x140 [ 6192.772055][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6192.772055][ T72] addrconf_add_dev+0xe2/0x170 [ 6192.772055][ T72] inet6_addr_add+0x12f/0xa40 [ 6192.772055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.772055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.772055][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.772055][ T72] netlink_unicast+0x449/0x710 [ 6192.772055][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.772055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.772055][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.772055][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.772055][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.772055][ T72] [ 6192.774265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6192.774265][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6192.774265][ T72] ipv6_find_idev+0x102/0x170 [ 6192.774265][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.774265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.774265][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.774265][ T72] netlink_unicast+0x449/0x710 [ 6192.774265][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.774265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.774265][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.774265][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.774265][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.774265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.774265][ T72] [ 6192.776033][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6192.776033][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6192.776033][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6192.776033][ T72] ipv6_find_idev+0x102/0x170 [ 6192.776033][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.776033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.776033][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.776033][ T72] netlink_unicast+0x449/0x710 [ 6192.776033][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.776033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.776033][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.776033][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.776033][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.776033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.776033][ T72] [ 6192.777901][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6192.778247][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6192.778247][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.778247][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.778247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.778247][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6192.778247][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6192.778247][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6192.778247][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6192.778247][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6192.778247][ T72] addrconf_dad_begin+0x310/0x670 [ 6192.778247][ T72] addrconf_dad_work+0x10b/0xab0 [ 6192.778247][ T72] process_one_work+0x84d/0x18a0 [ 6192.778247][ T72] worker_thread+0x587/0xd30 [ 6192.778247][ T72] kthread+0x28a/0x350 [ 6192.778247][ T72] ret_from_fork+0x31/0x70 [ 6192.778247][ T72] ret_from_fork_asm+0x1a/0x30 [ 6192.778247][ T72] [ 6192.780410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6192.780410][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.780410][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.780410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.780410][ T72] ip6_route_add+0x1c/0x140 [ 6192.780410][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6192.780410][ T72] inet6_addr_add+0x4f8/0xa40 [ 6192.780410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.780410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.780410][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.780410][ T72] netlink_unicast+0x449/0x710 [ 6192.780410][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.780410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.780410][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.780410][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.780410][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.780410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.780410][ T72] [ 6192.782670][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6192.782670][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.782670][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.782670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.782670][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6192.782670][ T72] ipv6_add_addr+0x411/0x2000 [ 6192.782670][ T72] inet6_addr_add+0x30e/0xa40 [ 6192.782670][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.782670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.782670][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.782670][ T72] netlink_unicast+0x449/0x710 [ 6192.782670][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.782670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.782670][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.782670][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.782670][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.782670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.782670][ T72] [ 6192.784929][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6192.784929][ T72] netdev_get_by_index+0x5e/0x80 [ 6192.784929][ T72] fib6_nh_init+0x3d8/0x1580 [ 6192.784929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6192.784929][ T72] ip6_route_add+0x1c/0x140 [ 6192.784929][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6192.784929][ T72] addrconf_add_dev+0xe2/0x170 [ 6192.784929][ T72] inet6_addr_add+0x12f/0xa40 [ 6192.784929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6192.784929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.784929][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.784929][ T72] netlink_unicast+0x449/0x710 [ 6192.784929][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.784929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.784929][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.784929][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.784929][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.784929][ T72] [ 6192.787135][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6192.787135][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6192.787135][ T72] ipv6_find_idev+0x102/0x170 [ 6192.787135][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.787135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.787135][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.787135][ T72] netlink_unicast+0x449/0x710 [ 6192.787135][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.787135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.787135][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.787135][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.787135][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.787135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.787135][ T72] [ 6192.788868][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6192.788868][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6192.788868][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6192.788868][ T72] ipv6_find_idev+0x102/0x170 [ 6192.788868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6192.788868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6192.788868][ T72] netlink_rcv_skb+0x130/0x360 [ 6192.788868][ T72] netlink_unicast+0x449/0x710 [ 6192.788868][ T72] netlink_sendmsg+0x723/0xbe0 [ 6192.788868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6192.788868][ T72] ___sys_sendmsg+0xee/0x170 [ 6192.788868][ T72] __sys_sendmsg+0xcd/0x170 [ 6192.788868][ T72] do_syscall_64+0xc6/0x1e0 [ 6192.788868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6192.788868][ T72] [ 6203.032995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6203.033725][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6203.033725][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6203.033725][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6203.033725][ T72] fib6_nh_init+0xa22/0x1580 [ 6203.033725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.033725][ T72] ip6_route_add+0x1c/0x140 [ 6203.033725][ T72] inet6_rtm_newroute+0x104/0x110 [ 6203.033725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.033725][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.033725][ T72] netlink_unicast+0x449/0x710 [ 6203.033725][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.033725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.033725][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.033725][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.033725][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.033725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.033725][ T72] [ 6203.035640][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6203.035640][ T72] dst_init+0x84/0x4a0 [ 6203.035640][ T72] dst_alloc+0x97/0x150 [ 6203.035640][ T72] ip6_dst_alloc+0x23/0x90 [ 6203.035640][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6203.035640][ T72] ip6_pol_route+0x56f/0x840 [ 6203.035640][ T72] fib6_rule_lookup+0x456/0x630 [ 6203.035640][ T72] ip6_route_input+0x59c/0xa50 [ 6203.035640][ T72] ipv6_rcv+0x397/0x810 [ 6203.035640][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6203.035640][ T72] process_backlog+0x101/0x620 [ 6203.035640][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6203.035640][ T72] net_rx_action+0x495/0xbe0 [ 6203.035640][ T72] __do_softirq+0x1b5/0x7f6 [ 6203.035640][ T72] [ 6203.037295][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6203.037295][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.037295][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.037295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.037295][ T72] ip6_route_add+0x1c/0x140 [ 6203.037295][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6203.037295][ T72] inet6_addr_add+0x4f8/0xa40 [ 6203.037295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.037295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.037295][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.037295][ T72] netlink_unicast+0x449/0x710 [ 6203.037295][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.037295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.037295][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.037295][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.037295][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.037295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.037295][ T72] [ 6203.039307][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6203.039307][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.039307][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.039307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.039307][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6203.039307][ T72] ipv6_add_addr+0x411/0x2000 [ 6203.039307][ T72] inet6_addr_add+0x30e/0xa40 [ 6203.039307][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.039307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.039307][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.039307][ T72] netlink_unicast+0x449/0x710 [ 6203.039307][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.039307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.039307][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.039307][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.039307][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.039307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.039307][ T72] [ 6203.041327][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6203.041327][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.041327][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.041327][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.041327][ T72] ip6_route_add+0x1c/0x140 [ 6203.041327][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6203.041327][ T72] addrconf_add_dev+0xe2/0x170 [ 6203.041327][ T72] inet6_addr_add+0x12f/0xa40 [ 6203.041327][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.041327][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.041327][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.041327][ T72] netlink_unicast+0x449/0x710 [ 6203.041327][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.041327][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.041327][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.041327][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.041327][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.041327][ T72] [ 6203.043299][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6203.043299][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6203.043299][ T72] ipv6_find_idev+0x102/0x170 [ 6203.043299][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.043299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.043299][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.043299][ T72] netlink_unicast+0x449/0x710 [ 6203.043299][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.043299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.043299][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.043299][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.043299][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.043299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.043299][ T72] [ 6203.044952][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6203.044952][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6203.044952][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6203.044952][ T72] ipv6_find_idev+0x102/0x170 [ 6203.044952][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.044952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.044952][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.044952][ T72] netlink_unicast+0x449/0x710 [ 6203.044952][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.044952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.044952][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.044952][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.044952][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.044952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.044952][ T72] [ 6203.046669][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6203.046962][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6203.046962][ T72] dst_init+0x84/0x4a0 [ 6203.046962][ T72] dst_alloc+0x97/0x150 [ 6203.046962][ T72] ip6_dst_alloc+0x23/0x90 [ 6203.046962][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6203.046962][ T72] ip6_pol_route+0x56f/0x840 [ 6203.046962][ T72] fib6_rule_lookup+0x456/0x630 [ 6203.046962][ T72] ip6_route_input+0x59c/0xa50 [ 6203.046962][ T72] ipv6_rcv+0x397/0x810 [ 6203.046962][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6203.046962][ T72] process_backlog+0x101/0x620 [ 6203.046962][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6203.046962][ T72] net_rx_action+0x495/0xbe0 [ 6203.046962][ T72] __do_softirq+0x1b5/0x7f6 [ 6203.046962][ T72] [ 6203.048614][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6203.048614][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.048614][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.048614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.048614][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6203.048614][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6203.048614][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6203.048614][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6203.048614][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6203.048614][ T72] addrconf_dad_begin+0x310/0x670 [ 6203.048614][ T72] addrconf_dad_work+0x10b/0xab0 [ 6203.048614][ T72] process_one_work+0x84d/0x18a0 [ 6203.048614][ T72] worker_thread+0x587/0xd30 [ 6203.048614][ T72] kthread+0x28a/0x350 [ 6203.048614][ T72] ret_from_fork+0x31/0x70 [ 6203.048614][ T72] ret_from_fork_asm+0x1a/0x30 [ 6203.048614][ T72] [ 6203.050539][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6203.050539][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.050539][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.050539][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.050539][ T72] ip6_route_add+0x1c/0x140 [ 6203.050539][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6203.050539][ T72] inet6_addr_add+0x4f8/0xa40 [ 6203.050539][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.050539][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.050539][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.050539][ T72] netlink_unicast+0x449/0x710 [ 6203.050539][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.050539][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.050539][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.050539][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.050539][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.050539][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.050539][ T72] [ 6203.052562][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6203.052562][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.052562][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.052562][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.052562][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6203.052562][ T72] ipv6_add_addr+0x411/0x2000 [ 6203.052562][ T72] inet6_addr_add+0x30e/0xa40 [ 6203.052562][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.052562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.052562][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.052562][ T72] netlink_unicast+0x449/0x710 [ 6203.052562][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.052562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.052562][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.052562][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.052562][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.052562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.052562][ T72] [ 6203.054563][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6203.054563][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.054563][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.054563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.054563][ T72] ip6_route_add+0x1c/0x140 [ 6203.054563][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6203.054563][ T72] addrconf_add_dev+0xe2/0x170 [ 6203.054563][ T72] inet6_addr_add+0x12f/0xa40 [ 6203.054563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.054563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.054563][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.054563][ T72] netlink_unicast+0x449/0x710 [ 6203.054563][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.054563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.054563][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.054563][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.054563][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.054563][ T72] [ 6203.056536][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6203.056536][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6203.056536][ T72] ipv6_find_idev+0x102/0x170 [ 6203.056536][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.056536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.056536][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.056536][ T72] netlink_unicast+0x449/0x710 [ 6203.056536][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.056536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.056536][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.056536][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.056536][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.056536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.056536][ T72] [ 6203.058079][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6203.058079][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6203.058079][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6203.058079][ T72] ipv6_find_idev+0x102/0x170 [ 6203.058079][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.058079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.058079][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.058079][ T72] netlink_unicast+0x449/0x710 [ 6203.058079][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.058079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.058079][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.058079][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.058079][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.058079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.058079][ T72] [ 6203.059895][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6203.060175][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6203.060175][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6203.060175][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6203.060175][ T72] fib6_nh_init+0xa22/0x1580 [ 6203.060175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.060175][ T72] ip6_route_add+0x1c/0x140 [ 6203.060175][ T72] inet6_rtm_newroute+0x104/0x110 [ 6203.060175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.060175][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.060175][ T72] netlink_unicast+0x449/0x710 [ 6203.060175][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.060175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.060175][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.060175][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.060175][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.060175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.060175][ T72] [ 6203.062363][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6203.062363][ T72] dst_init+0x84/0x4a0 [ 6203.062363][ T72] dst_alloc+0x97/0x150 [ 6203.062363][ T72] ip6_dst_alloc+0x23/0x90 [ 6203.062363][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6203.062363][ T72] ip6_pol_route+0x56f/0x840 [ 6203.062363][ T72] fib6_rule_lookup+0x456/0x630 [ 6203.062363][ T72] ip6_route_input+0x59c/0xa50 [ 6203.062363][ T72] ipv6_rcv+0x397/0x810 [ 6203.062363][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6203.062363][ T72] process_backlog+0x101/0x620 [ 6203.062363][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6203.062363][ T72] net_rx_action+0x495/0xbe0 [ 6203.062363][ T72] __do_softirq+0x1b5/0x7f6 [ 6203.062363][ T72] [ 6203.064184][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6203.064184][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.064184][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.064184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.064184][ T72] ip6_route_add+0x1c/0x140 [ 6203.064184][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6203.064184][ T72] inet6_addr_add+0x4f8/0xa40 [ 6203.064184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.064184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.064184][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.064184][ T72] netlink_unicast+0x449/0x710 [ 6203.064184][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.064184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.064184][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.064184][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.064184][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.064184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.064184][ T72] [ 6203.066334][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6203.066334][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.066334][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.066334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.066334][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6203.066334][ T72] ipv6_add_addr+0x411/0x2000 [ 6203.066334][ T72] inet6_addr_add+0x30e/0xa40 [ 6203.066334][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.066334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.066334][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.066334][ T72] netlink_unicast+0x449/0x710 [ 6203.066334][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.066334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.066334][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.066334][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.066334][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.066334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.066334][ T72] [ 6203.068603][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6203.068603][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.068603][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.068603][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.068603][ T72] ip6_route_add+0x1c/0x140 [ 6203.068603][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6203.068603][ T72] addrconf_add_dev+0xe2/0x170 [ 6203.068603][ T72] inet6_addr_add+0x12f/0xa40 [ 6203.068603][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.068603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.068603][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.068603][ T72] netlink_unicast+0x449/0x710 [ 6203.068603][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.068603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.068603][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.068603][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.068603][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.068603][ T72] [ 6203.070841][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6203.070841][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6203.070841][ T72] ipv6_find_idev+0x102/0x170 [ 6203.070841][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.070841][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.070841][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.070841][ T72] netlink_unicast+0x449/0x710 [ 6203.070841][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.070841][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.070841][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.070841][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.070841][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.070841][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.070841][ T72] [ 6203.072627][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6203.072627][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6203.072627][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6203.072627][ T72] ipv6_find_idev+0x102/0x170 [ 6203.072627][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.072627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.072627][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.072627][ T72] netlink_unicast+0x449/0x710 [ 6203.072627][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.072627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.072627][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.072627][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.072627][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.072627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.072627][ T72] [ 6203.074494][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6203.074835][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6203.074835][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.074835][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.074835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.074835][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6203.074835][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6203.074835][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6203.074835][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6203.074835][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6203.074835][ T72] addrconf_dad_begin+0x310/0x670 [ 6203.074835][ T72] addrconf_dad_work+0x10b/0xab0 [ 6203.074835][ T72] process_one_work+0x84d/0x18a0 [ 6203.074835][ T72] worker_thread+0x587/0xd30 [ 6203.074835][ T72] kthread+0x28a/0x350 [ 6203.074835][ T72] ret_from_fork+0x31/0x70 [ 6203.074835][ T72] ret_from_fork_asm+0x1a/0x30 [ 6203.074835][ T72] [ 6203.077467][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6203.077467][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.077467][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.077467][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.077467][ T72] ip6_route_add+0x1c/0x140 [ 6203.077467][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6203.077467][ T72] inet6_addr_add+0x4f8/0xa40 [ 6203.077467][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.077467][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.077467][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.077467][ T72] netlink_unicast+0x449/0x710 [ 6203.077467][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.077467][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.077467][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.077467][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.077467][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.077467][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.077467][ T72] [ 6203.079714][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6203.079714][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.079714][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.079714][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.079714][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6203.079714][ T72] ipv6_add_addr+0x411/0x2000 [ 6203.079714][ T72] inet6_addr_add+0x30e/0xa40 [ 6203.079714][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.079714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.079714][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.079714][ T72] netlink_unicast+0x449/0x710 [ 6203.079714][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.079714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.079714][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.079714][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.079714][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.079714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.079714][ T72] [ 6203.082019][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6203.082019][ T72] netdev_get_by_index+0x5e/0x80 [ 6203.082019][ T72] fib6_nh_init+0x3d8/0x1580 [ 6203.082019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6203.082019][ T72] ip6_route_add+0x1c/0x140 [ 6203.082019][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6203.082019][ T72] addrconf_add_dev+0xe2/0x170 [ 6203.082019][ T72] inet6_addr_add+0x12f/0xa40 [ 6203.082019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.082019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.082019][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.082019][ T72] netlink_unicast+0x449/0x710 [ 6203.082019][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.082019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.082019][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.082019][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.082019][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.082019][ T72] [ 6203.084226][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6203.084226][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6203.084226][ T72] ipv6_find_idev+0x102/0x170 [ 6203.084226][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.084226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.084226][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.084226][ T72] netlink_unicast+0x449/0x710 [ 6203.084226][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.084226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.084226][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.084226][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.084226][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.084226][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.084226][ T72] [ 6203.085964][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6203.085964][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6203.085964][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6203.085964][ T72] ipv6_find_idev+0x102/0x170 [ 6203.085964][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.085964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.085964][ T72] netlink_rcv_skb+0x130/0x360 [ 6203.085964][ T72] netlink_unicast+0x449/0x710 [ 6203.085964][ T72] netlink_sendmsg+0x723/0xbe0 [ 6203.085964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6203.085964][ T72] ___sys_sendmsg+0xee/0x170 [ 6203.085964][ T72] __sys_sendmsg+0xcd/0x170 [ 6203.085964][ T72] do_syscall_64+0xc6/0x1e0 [ 6203.085964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.085964][ T72] [ 6213.328975][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6213.329494][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6213.329494][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6213.329494][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6213.329494][ T72] fib6_nh_init+0xa22/0x1580 [ 6213.329494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.329494][ T72] ip6_route_add+0x1c/0x140 [ 6213.329494][ T72] inet6_rtm_newroute+0x104/0x110 [ 6213.329494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.329494][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.329494][ T72] netlink_unicast+0x449/0x710 [ 6213.329494][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.329494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.329494][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.329494][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.329494][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.329494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.329494][ T72] [ 6213.331418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6213.331418][ T72] dst_init+0x84/0x4a0 [ 6213.331418][ T72] dst_alloc+0x97/0x150 [ 6213.331418][ T72] ip6_dst_alloc+0x23/0x90 [ 6213.331418][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6213.331418][ T72] ip6_pol_route+0x56f/0x840 [ 6213.331418][ T72] fib6_rule_lookup+0x456/0x630 [ 6213.331418][ T72] ip6_route_input+0x59c/0xa50 [ 6213.331418][ T72] ipv6_rcv+0x397/0x810 [ 6213.331418][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6213.331418][ T72] process_backlog+0x101/0x620 [ 6213.331418][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6213.331418][ T72] net_rx_action+0x495/0xbe0 [ 6213.331418][ T72] __do_softirq+0x1b5/0x7f6 [ 6213.331418][ T72] [ 6213.333067][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6213.333067][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.333067][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.333067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.333067][ T72] ip6_route_add+0x1c/0x140 [ 6213.333067][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6213.333067][ T72] inet6_addr_add+0x4f8/0xa40 [ 6213.333067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.333067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.333067][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.333067][ T72] netlink_unicast+0x449/0x710 [ 6213.333067][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.333067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.333067][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.333067][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.333067][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.333067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.333067][ T72] [ 6213.335083][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6213.335083][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.335083][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.335083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.335083][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6213.335083][ T72] ipv6_add_addr+0x411/0x2000 [ 6213.335083][ T72] inet6_addr_add+0x30e/0xa40 [ 6213.335083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.335083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.335083][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.335083][ T72] netlink_unicast+0x449/0x710 [ 6213.335083][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.335083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.335083][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.335083][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.335083][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.335083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.335083][ T72] [ 6213.337097][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6213.337097][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.337097][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.337097][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.337097][ T72] ip6_route_add+0x1c/0x140 [ 6213.337097][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6213.337097][ T72] addrconf_add_dev+0xe2/0x170 [ 6213.337097][ T72] inet6_addr_add+0x12f/0xa40 [ 6213.337097][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.337097][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.337097][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.337097][ T72] netlink_unicast+0x449/0x710 [ 6213.337097][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.337097][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.337097][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.337097][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.337097][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.337097][ T72] [ 6213.339075][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6213.339075][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6213.339075][ T72] ipv6_find_idev+0x102/0x170 [ 6213.339075][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.339075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.339075][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.339075][ T72] netlink_unicast+0x449/0x710 [ 6213.339075][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.339075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.339075][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.339075][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.339075][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.339075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.339075][ T72] [ 6213.340628][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6213.340628][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6213.340628][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6213.340628][ T72] ipv6_find_idev+0x102/0x170 [ 6213.340628][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.340628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.340628][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.340628][ T72] netlink_unicast+0x449/0x710 [ 6213.340628][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.340628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.340628][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.340628][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.340628][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.340628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.340628][ T72] [ 6213.342343][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6213.342638][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6213.342638][ T72] dst_init+0x84/0x4a0 [ 6213.342638][ T72] dst_alloc+0x97/0x150 [ 6213.342638][ T72] ip6_dst_alloc+0x23/0x90 [ 6213.342638][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6213.342638][ T72] ip6_pol_route+0x56f/0x840 [ 6213.342638][ T72] fib6_rule_lookup+0x456/0x630 [ 6213.342638][ T72] ip6_route_input+0x59c/0xa50 [ 6213.342638][ T72] ipv6_rcv+0x397/0x810 [ 6213.342638][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6213.342638][ T72] process_backlog+0x101/0x620 [ 6213.342638][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6213.342638][ T72] net_rx_action+0x495/0xbe0 [ 6213.342638][ T72] __do_softirq+0x1b5/0x7f6 [ 6213.342638][ T72] [ 6213.344304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6213.344304][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.344304][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.344304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.344304][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6213.344304][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6213.344304][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6213.344304][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6213.344304][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6213.344304][ T72] addrconf_dad_begin+0x310/0x670 [ 6213.344304][ T72] addrconf_dad_work+0x10b/0xab0 [ 6213.344304][ T72] process_one_work+0x84d/0x18a0 [ 6213.344304][ T72] worker_thread+0x587/0xd30 [ 6213.344304][ T72] kthread+0x28a/0x350 [ 6213.344304][ T72] ret_from_fork+0x31/0x70 [ 6213.344304][ T72] ret_from_fork_asm+0x1a/0x30 [ 6213.344304][ T72] [ 6213.346220][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6213.346220][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.346220][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.346220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.346220][ T72] ip6_route_add+0x1c/0x140 [ 6213.346220][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6213.346220][ T72] inet6_addr_add+0x4f8/0xa40 [ 6213.346220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.346220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.346220][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.346220][ T72] netlink_unicast+0x449/0x710 [ 6213.346220][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.346220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.346220][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.346220][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.346220][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.346220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.346220][ T72] [ 6213.348255][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6213.348255][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.348255][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.348255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.348255][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6213.348255][ T72] ipv6_add_addr+0x411/0x2000 [ 6213.348255][ T72] inet6_addr_add+0x30e/0xa40 [ 6213.348255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.348255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.348255][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.348255][ T72] netlink_unicast+0x449/0x710 [ 6213.348255][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.348255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.348255][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.348255][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.348255][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.348255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.348255][ T72] [ 6213.350284][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6213.350284][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.350284][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.350284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.350284][ T72] ip6_route_add+0x1c/0x140 [ 6213.350284][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6213.350284][ T72] addrconf_add_dev+0xe2/0x170 [ 6213.350284][ T72] inet6_addr_add+0x12f/0xa40 [ 6213.350284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.350284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.350284][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.350284][ T72] netlink_unicast+0x449/0x710 [ 6213.350284][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.350284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.350284][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.350284][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.350284][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.350284][ T72] [ 6213.352252][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6213.352252][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6213.352252][ T72] ipv6_find_idev+0x102/0x170 [ 6213.352252][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.352252][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.352252][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.352252][ T72] netlink_unicast+0x449/0x710 [ 6213.352252][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.352252][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.352252][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.352252][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.352252][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.352252][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.352252][ T72] [ 6213.353800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6213.353800][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6213.353800][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6213.353800][ T72] ipv6_find_idev+0x102/0x170 [ 6213.353800][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.353800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.353800][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.353800][ T72] netlink_unicast+0x449/0x710 [ 6213.353800][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.353800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.353800][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.353800][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.353800][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.353800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.353800][ T72] [ 6213.355617][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6213.355896][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6213.355896][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6213.355896][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6213.355896][ T72] fib6_nh_init+0xa22/0x1580 [ 6213.355896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.355896][ T72] ip6_route_add+0x1c/0x140 [ 6213.355896][ T72] inet6_rtm_newroute+0x104/0x110 [ 6213.355896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.355896][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.355896][ T72] netlink_unicast+0x449/0x710 [ 6213.355896][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.355896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.355896][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.355896][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.355896][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.355896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.355896][ T72] [ 6213.358087][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6213.358087][ T72] dst_init+0x84/0x4a0 [ 6213.358087][ T72] dst_alloc+0x97/0x150 [ 6213.358087][ T72] ip6_dst_alloc+0x23/0x90 [ 6213.358087][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6213.358087][ T72] ip6_pol_route+0x56f/0x840 [ 6213.358087][ T72] fib6_rule_lookup+0x456/0x630 [ 6213.358087][ T72] ip6_route_input+0x59c/0xa50 [ 6213.358087][ T72] ipv6_rcv+0x397/0x810 [ 6213.358087][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6213.358087][ T72] process_backlog+0x101/0x620 [ 6213.358087][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6213.358087][ T72] net_rx_action+0x495/0xbe0 [ 6213.358087][ T72] __do_softirq+0x1b5/0x7f6 [ 6213.358087][ T72] [ 6213.359914][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6213.359914][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.359914][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.359914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.359914][ T72] ip6_route_add+0x1c/0x140 [ 6213.359914][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6213.359914][ T72] inet6_addr_add+0x4f8/0xa40 [ 6213.359914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.359914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.359914][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.359914][ T72] netlink_unicast+0x449/0x710 [ 6213.359914][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.359914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.359914][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.359914][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.359914][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.359914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.359914][ T72] [ 6213.362098][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6213.362098][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.362098][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.362098][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.362098][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6213.362098][ T72] ipv6_add_addr+0x411/0x2000 [ 6213.362098][ T72] inet6_addr_add+0x30e/0xa40 [ 6213.362098][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.362098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.362098][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.362098][ T72] netlink_unicast+0x449/0x710 [ 6213.362098][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.362098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.362098][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.362098][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.362098][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.362098][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.362098][ T72] [ 6213.364347][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6213.364347][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.364347][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.364347][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.364347][ T72] ip6_route_add+0x1c/0x140 [ 6213.364347][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6213.364347][ T72] addrconf_add_dev+0xe2/0x170 [ 6213.364347][ T72] inet6_addr_add+0x12f/0xa40 [ 6213.364347][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.364347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.364347][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.364347][ T72] netlink_unicast+0x449/0x710 [ 6213.364347][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.364347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.364347][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.364347][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.364347][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.364347][ T72] [ 6213.366625][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6213.366625][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6213.366625][ T72] ipv6_find_idev+0x102/0x170 [ 6213.366625][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.366625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.366625][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.366625][ T72] netlink_unicast+0x449/0x710 [ 6213.366625][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.366625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.366625][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.366625][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.366625][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.366625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.366625][ T72] [ 6213.368346][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6213.368346][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6213.368346][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6213.368346][ T72] ipv6_find_idev+0x102/0x170 [ 6213.368346][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.368346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.368346][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.368346][ T72] netlink_unicast+0x449/0x710 [ 6213.368346][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.368346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.368346][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.368346][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.368346][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.368346][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.368346][ T72] [ 6213.370252][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6213.370593][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6213.370593][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.370593][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.370593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.370593][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6213.370593][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6213.370593][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6213.370593][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6213.370593][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6213.370593][ T72] addrconf_dad_begin+0x310/0x670 [ 6213.370593][ T72] addrconf_dad_work+0x10b/0xab0 [ 6213.370593][ T72] process_one_work+0x84d/0x18a0 [ 6213.370593][ T72] worker_thread+0x587/0xd30 [ 6213.370593][ T72] kthread+0x28a/0x350 [ 6213.370593][ T72] ret_from_fork+0x31/0x70 [ 6213.370593][ T72] ret_from_fork_asm+0x1a/0x30 [ 6213.370593][ T72] [ 6213.372620][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6213.372620][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.372620][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.372620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.372620][ T72] ip6_route_add+0x1c/0x140 [ 6213.372620][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6213.372620][ T72] inet6_addr_add+0x4f8/0xa40 [ 6213.372620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.372620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.372620][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.372620][ T72] netlink_unicast+0x449/0x710 [ 6213.372620][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.372620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.372620][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.372620][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.372620][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.372620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.372620][ T72] [ 6213.374863][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6213.374863][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.374863][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.374863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.374863][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6213.374863][ T72] ipv6_add_addr+0x411/0x2000 [ 6213.374863][ T72] inet6_addr_add+0x30e/0xa40 [ 6213.374863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.374863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.374863][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.374863][ T72] netlink_unicast+0x449/0x710 [ 6213.374863][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.374863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.374863][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.374863][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.374863][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.374863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.374863][ T72] [ 6213.377176][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6213.377176][ T72] netdev_get_by_index+0x5e/0x80 [ 6213.377176][ T72] fib6_nh_init+0x3d8/0x1580 [ 6213.377176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6213.377176][ T72] ip6_route_add+0x1c/0x140 [ 6213.377176][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6213.377176][ T72] addrconf_add_dev+0xe2/0x170 [ 6213.377176][ T72] inet6_addr_add+0x12f/0xa40 [ 6213.377176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.377176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.377176][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.377176][ T72] netlink_unicast+0x449/0x710 [ 6213.377176][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.377176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.377176][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.377176][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.377176][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.377176][ T72] [ 6213.379408][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6213.379408][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6213.379408][ T72] ipv6_find_idev+0x102/0x170 [ 6213.379408][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.379408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.379408][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.379408][ T72] netlink_unicast+0x449/0x710 [ 6213.379408][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.379408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.379408][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.379408][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.379408][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.379408][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.379408][ T72] [ 6213.381138][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6213.381138][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6213.381138][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6213.381138][ T72] ipv6_find_idev+0x102/0x170 [ 6213.381138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.381138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.381138][ T72] netlink_rcv_skb+0x130/0x360 [ 6213.381138][ T72] netlink_unicast+0x449/0x710 [ 6213.381138][ T72] netlink_sendmsg+0x723/0xbe0 [ 6213.381138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6213.381138][ T72] ___sys_sendmsg+0xee/0x170 [ 6213.381138][ T72] __sys_sendmsg+0xcd/0x170 [ 6213.381138][ T72] do_syscall_64+0xc6/0x1e0 [ 6213.381138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.381138][ T72] [ 6223.496928][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6223.497434][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6223.497434][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6223.497434][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6223.497434][ T72] fib6_nh_init+0xa22/0x1580 [ 6223.497434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.497434][ T72] ip6_route_add+0x1c/0x140 [ 6223.497434][ T72] inet6_rtm_newroute+0x104/0x110 [ 6223.497434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.497434][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.497434][ T72] netlink_unicast+0x449/0x710 [ 6223.497434][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.497434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.497434][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.497434][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.497434][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.497434][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.497434][ T72] [ 6223.499398][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6223.499398][ T72] dst_init+0x84/0x4a0 [ 6223.499398][ T72] dst_alloc+0x97/0x150 [ 6223.499398][ T72] ip6_dst_alloc+0x23/0x90 [ 6223.499398][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6223.499398][ T72] ip6_pol_route+0x56f/0x840 [ 6223.499398][ T72] fib6_rule_lookup+0x456/0x630 [ 6223.499398][ T72] ip6_route_input+0x59c/0xa50 [ 6223.499398][ T72] ipv6_rcv+0x397/0x810 [ 6223.499398][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6223.499398][ T72] process_backlog+0x101/0x620 [ 6223.499398][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6223.499398][ T72] net_rx_action+0x495/0xbe0 [ 6223.499398][ T72] __do_softirq+0x1b5/0x7f6 [ 6223.499398][ T72] [ 6223.501080][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6223.501080][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.501080][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.501080][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.501080][ T72] ip6_route_add+0x1c/0x140 [ 6223.501080][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6223.501080][ T72] inet6_addr_add+0x4f8/0xa40 [ 6223.501080][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.501080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.501080][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.501080][ T72] netlink_unicast+0x449/0x710 [ 6223.501080][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.501080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.501080][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.501080][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.501080][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.501080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.501080][ T72] [ 6223.503086][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6223.503086][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.503086][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.503086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.503086][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6223.503086][ T72] ipv6_add_addr+0x411/0x2000 [ 6223.503086][ T72] inet6_addr_add+0x30e/0xa40 [ 6223.503086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.503086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.503086][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.503086][ T72] netlink_unicast+0x449/0x710 [ 6223.503086][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.503086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.503086][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.503086][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.503086][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.503086][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.503086][ T72] [ 6223.505090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6223.505090][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.505090][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.505090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.505090][ T72] ip6_route_add+0x1c/0x140 [ 6223.505090][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6223.505090][ T72] addrconf_add_dev+0xe2/0x170 [ 6223.505090][ T72] inet6_addr_add+0x12f/0xa40 [ 6223.505090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.505090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.505090][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.505090][ T72] netlink_unicast+0x449/0x710 [ 6223.505090][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.505090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.505090][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.505090][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.505090][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.505090][ T72] [ 6223.507063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6223.507063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6223.507063][ T72] ipv6_find_idev+0x102/0x170 [ 6223.507063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.507063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.507063][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.507063][ T72] netlink_unicast+0x449/0x710 [ 6223.507063][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.507063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.507063][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.507063][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.507063][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.507063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.507063][ T72] [ 6223.508606][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6223.508606][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6223.508606][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6223.508606][ T72] ipv6_find_idev+0x102/0x170 [ 6223.508606][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.508606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.508606][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.508606][ T72] netlink_unicast+0x449/0x710 [ 6223.508606][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.508606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.508606][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.508606][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.508606][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.508606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.508606][ T72] [ 6223.510347][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6223.510625][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6223.510625][ T72] dst_init+0x84/0x4a0 [ 6223.510625][ T72] dst_alloc+0x97/0x150 [ 6223.510625][ T72] ip6_dst_alloc+0x23/0x90 [ 6223.510625][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6223.510625][ T72] ip6_pol_route+0x56f/0x840 [ 6223.510625][ T72] fib6_rule_lookup+0x456/0x630 [ 6223.510625][ T72] ip6_route_input+0x59c/0xa50 [ 6223.510625][ T72] ipv6_rcv+0x397/0x810 [ 6223.510625][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6223.510625][ T72] process_backlog+0x101/0x620 [ 6223.510625][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6223.510625][ T72] net_rx_action+0x495/0xbe0 [ 6223.510625][ T72] __do_softirq+0x1b5/0x7f6 [ 6223.510625][ T72] [ 6223.512273][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6223.512273][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.512273][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.512273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.512273][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6223.512273][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6223.512273][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6223.512273][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6223.512273][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6223.512273][ T72] addrconf_dad_begin+0x310/0x670 [ 6223.512273][ T72] addrconf_dad_work+0x10b/0xab0 [ 6223.512273][ T72] process_one_work+0x84d/0x18a0 [ 6223.512273][ T72] worker_thread+0x587/0xd30 [ 6223.512273][ T72] kthread+0x28a/0x350 [ 6223.512273][ T72] ret_from_fork+0x31/0x70 [ 6223.512273][ T72] ret_from_fork_asm+0x1a/0x30 [ 6223.512273][ T72] [ 6223.514188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6223.514188][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.514188][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.514188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.514188][ T72] ip6_route_add+0x1c/0x140 [ 6223.514188][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6223.514188][ T72] inet6_addr_add+0x4f8/0xa40 [ 6223.514188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.514188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.514188][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.514188][ T72] netlink_unicast+0x449/0x710 [ 6223.514188][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.514188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.514188][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.514188][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.514188][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.514188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.514188][ T72] [ 6223.516197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6223.516197][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.516197][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.516197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.516197][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6223.516197][ T72] ipv6_add_addr+0x411/0x2000 [ 6223.516197][ T72] inet6_addr_add+0x30e/0xa40 [ 6223.516197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.516197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.516197][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.516197][ T72] netlink_unicast+0x449/0x710 [ 6223.516197][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.516197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.516197][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.516197][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.516197][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.516197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.516197][ T72] [ 6223.518195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6223.518195][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.518195][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.518195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.518195][ T72] ip6_route_add+0x1c/0x140 [ 6223.518195][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6223.518195][ T72] addrconf_add_dev+0xe2/0x170 [ 6223.518195][ T72] inet6_addr_add+0x12f/0xa40 [ 6223.518195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.518195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.518195][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.518195][ T72] netlink_unicast+0x449/0x710 [ 6223.518195][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.518195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.518195][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.518195][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.518195][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.518195][ T72] [ 6223.520185][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6223.520185][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6223.520185][ T72] ipv6_find_idev+0x102/0x170 [ 6223.520185][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.520185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.520185][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.520185][ T72] netlink_unicast+0x449/0x710 [ 6223.520185][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.520185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.520185][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.520185][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.520185][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.520185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.520185][ T72] [ 6223.521729][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6223.521729][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6223.521729][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6223.521729][ T72] ipv6_find_idev+0x102/0x170 [ 6223.521729][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.521729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.521729][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.521729][ T72] netlink_unicast+0x449/0x710 [ 6223.521729][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.521729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.521729][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.521729][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.521729][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.521729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.521729][ T72] [ 6223.523540][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6223.523816][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6223.523816][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6223.523816][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6223.523816][ T72] fib6_nh_init+0xa22/0x1580 [ 6223.523816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.523816][ T72] ip6_route_add+0x1c/0x140 [ 6223.523816][ T72] inet6_rtm_newroute+0x104/0x110 [ 6223.523816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.523816][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.523816][ T72] netlink_unicast+0x449/0x710 [ 6223.523816][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.523816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.523816][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.523816][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.523816][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.523816][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.523816][ T72] [ 6223.526006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6223.526006][ T72] dst_init+0x84/0x4a0 [ 6223.526006][ T72] dst_alloc+0x97/0x150 [ 6223.526006][ T72] ip6_dst_alloc+0x23/0x90 [ 6223.526006][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6223.526006][ T72] ip6_pol_route+0x56f/0x840 [ 6223.526006][ T72] fib6_rule_lookup+0x456/0x630 [ 6223.526006][ T72] ip6_route_input+0x59c/0xa50 [ 6223.526006][ T72] ipv6_rcv+0x397/0x810 [ 6223.526006][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6223.526006][ T72] process_backlog+0x101/0x620 [ 6223.526006][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6223.526006][ T72] net_rx_action+0x495/0xbe0 [ 6223.526006][ T72] __do_softirq+0x1b5/0x7f6 [ 6223.526006][ T72] [ 6223.527824][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6223.527824][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.527824][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.527824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.527824][ T72] ip6_route_add+0x1c/0x140 [ 6223.527824][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6223.527824][ T72] inet6_addr_add+0x4f8/0xa40 [ 6223.527824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.527824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.527824][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.527824][ T72] netlink_unicast+0x449/0x710 [ 6223.527824][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.527824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.527824][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.527824][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.527824][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.527824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.527824][ T72] [ 6223.530014][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6223.530014][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.530014][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.530014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.530014][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6223.530014][ T72] ipv6_add_addr+0x411/0x2000 [ 6223.530014][ T72] inet6_addr_add+0x30e/0xa40 [ 6223.530014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.530014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.530014][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.530014][ T72] netlink_unicast+0x449/0x710 [ 6223.530014][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.530014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.530014][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.530014][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.530014][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.530014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.530014][ T72] [ 6223.532259][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6223.532259][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.532259][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.532259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.532259][ T72] ip6_route_add+0x1c/0x140 [ 6223.532259][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6223.532259][ T72] addrconf_add_dev+0xe2/0x170 [ 6223.532259][ T72] inet6_addr_add+0x12f/0xa40 [ 6223.532259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.532259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.532259][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.532259][ T72] netlink_unicast+0x449/0x710 [ 6223.532259][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.532259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.532259][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.532259][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.532259][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.532259][ T72] [ 6223.534550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6223.534550][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6223.534550][ T72] ipv6_find_idev+0x102/0x170 [ 6223.534550][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.534550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.534550][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.534550][ T72] netlink_unicast+0x449/0x710 [ 6223.534550][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.534550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.534550][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.534550][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.534550][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.534550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.534550][ T72] [ 6223.536273][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6223.536273][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6223.536273][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6223.536273][ T72] ipv6_find_idev+0x102/0x170 [ 6223.536273][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.536273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.536273][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.536273][ T72] netlink_unicast+0x449/0x710 [ 6223.536273][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.536273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.536273][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.536273][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.536273][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.536273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.536273][ T72] [ 6223.538144][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6223.538479][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6223.538479][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.538479][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.538479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.538479][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6223.538479][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6223.538479][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6223.538479][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6223.538479][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6223.538479][ T72] addrconf_dad_begin+0x310/0x670 [ 6223.538479][ T72] addrconf_dad_work+0x10b/0xab0 [ 6223.538479][ T72] process_one_work+0x84d/0x18a0 [ 6223.538479][ T72] worker_thread+0x587/0xd30 [ 6223.538479][ T72] kthread+0x28a/0x350 [ 6223.538479][ T72] ret_from_fork+0x31/0x70 [ 6223.538479][ T72] ret_from_fork_asm+0x1a/0x30 [ 6223.538479][ T72] [ 6223.540586][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6223.540586][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.540586][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.540586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.540586][ T72] ip6_route_add+0x1c/0x140 [ 6223.540586][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6223.540586][ T72] inet6_addr_add+0x4f8/0xa40 [ 6223.540586][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.540586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.540586][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.540586][ T72] netlink_unicast+0x449/0x710 [ 6223.540586][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.540586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.540586][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.540586][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.540586][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.540586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.540586][ T72] [ 6223.542832][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6223.542832][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.542832][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.542832][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.542832][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6223.542832][ T72] ipv6_add_addr+0x411/0x2000 [ 6223.542832][ T72] inet6_addr_add+0x30e/0xa40 [ 6223.542832][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.542832][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.542832][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.542832][ T72] netlink_unicast+0x449/0x710 [ 6223.542832][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.542832][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.542832][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.542832][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.542832][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.542832][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.542832][ T72] [ 6223.545134][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6223.545134][ T72] netdev_get_by_index+0x5e/0x80 [ 6223.545134][ T72] fib6_nh_init+0x3d8/0x1580 [ 6223.545134][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6223.545134][ T72] ip6_route_add+0x1c/0x140 [ 6223.545134][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6223.545134][ T72] addrconf_add_dev+0xe2/0x170 [ 6223.545134][ T72] inet6_addr_add+0x12f/0xa40 [ 6223.545134][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.545134][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.545134][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.545134][ T72] netlink_unicast+0x449/0x710 [ 6223.545134][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.545134][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.545134][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.545134][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.545134][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.545134][ T72] [ 6223.547344][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6223.547344][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6223.547344][ T72] ipv6_find_idev+0x102/0x170 [ 6223.547344][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.547344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.547344][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.547344][ T72] netlink_unicast+0x449/0x710 [ 6223.547344][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.547344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.547344][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.547344][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.547344][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.547344][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.547344][ T72] [ 6223.549064][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6223.549064][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6223.549064][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6223.549064][ T72] ipv6_find_idev+0x102/0x170 [ 6223.549064][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.549064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.549064][ T72] netlink_rcv_skb+0x130/0x360 [ 6223.549064][ T72] netlink_unicast+0x449/0x710 [ 6223.549064][ T72] netlink_sendmsg+0x723/0xbe0 [ 6223.549064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6223.549064][ T72] ___sys_sendmsg+0xee/0x170 [ 6223.549064][ T72] __sys_sendmsg+0xcd/0x170 [ 6223.549064][ T72] do_syscall_64+0xc6/0x1e0 [ 6223.549064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.549064][ T72] [ 6233.800946][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6233.801405][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6233.801405][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6233.801405][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6233.801405][ T72] fib6_nh_init+0xa22/0x1580 [ 6233.801405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.801405][ T72] ip6_route_add+0x1c/0x140 [ 6233.801405][ T72] inet6_rtm_newroute+0x104/0x110 [ 6233.801405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.801405][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.801405][ T72] netlink_unicast+0x449/0x710 [ 6233.801405][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.801405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.801405][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.801405][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.801405][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.801405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.801405][ T72] [ 6233.803325][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6233.803325][ T72] dst_init+0x84/0x4a0 [ 6233.803325][ T72] dst_alloc+0x97/0x150 [ 6233.803325][ T72] ip6_dst_alloc+0x23/0x90 [ 6233.803325][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6233.803325][ T72] ip6_pol_route+0x56f/0x840 [ 6233.803325][ T72] fib6_rule_lookup+0x456/0x630 [ 6233.803325][ T72] ip6_route_input+0x59c/0xa50 [ 6233.803325][ T72] ipv6_rcv+0x397/0x810 [ 6233.803325][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6233.803325][ T72] process_backlog+0x101/0x620 [ 6233.803325][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6233.803325][ T72] net_rx_action+0x495/0xbe0 [ 6233.803325][ T72] __do_softirq+0x1b5/0x7f6 [ 6233.803325][ T72] [ 6233.804977][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6233.804977][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.804977][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.804977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.804977][ T72] ip6_route_add+0x1c/0x140 [ 6233.804977][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6233.804977][ T72] inet6_addr_add+0x4f8/0xa40 [ 6233.804977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.804977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.804977][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.804977][ T72] netlink_unicast+0x449/0x710 [ 6233.804977][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.804977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.804977][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.804977][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.804977][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.804977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.804977][ T72] [ 6233.806986][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6233.806986][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.806986][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.806986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.806986][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6233.806986][ T72] ipv6_add_addr+0x411/0x2000 [ 6233.806986][ T72] inet6_addr_add+0x30e/0xa40 [ 6233.806986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.806986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.806986][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.806986][ T72] netlink_unicast+0x449/0x710 [ 6233.806986][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.806986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.806986][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.806986][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.806986][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.806986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.806986][ T72] [ 6233.808943][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6233.808943][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.808943][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.808943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.808943][ T72] ip6_route_add+0x1c/0x140 [ 6233.808943][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6233.808943][ T72] addrconf_add_dev+0xe2/0x170 [ 6233.808943][ T72] inet6_addr_add+0x12f/0xa40 [ 6233.808943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.808943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.808943][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.808943][ T72] netlink_unicast+0x449/0x710 [ 6233.808943][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.808943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.808943][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.808943][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.808943][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.808943][ T72] [ 6233.810968][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6233.810968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6233.810968][ T72] ipv6_find_idev+0x102/0x170 [ 6233.810968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.810968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.810968][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.810968][ T72] netlink_unicast+0x449/0x710 [ 6233.810968][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.810968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.810968][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.810968][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.810968][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.810968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.810968][ T72] [ 6233.812519][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6233.812519][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6233.812519][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6233.812519][ T72] ipv6_find_idev+0x102/0x170 [ 6233.812519][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.812519][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.812519][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.812519][ T72] netlink_unicast+0x449/0x710 [ 6233.812519][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.812519][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.812519][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.812519][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.812519][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.812519][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.812519][ T72] [ 6233.814189][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6233.814482][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6233.814482][ T72] dst_init+0x84/0x4a0 [ 6233.814482][ T72] dst_alloc+0x97/0x150 [ 6233.814482][ T72] ip6_dst_alloc+0x23/0x90 [ 6233.814482][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6233.814482][ T72] ip6_pol_route+0x56f/0x840 [ 6233.814482][ T72] fib6_rule_lookup+0x456/0x630 [ 6233.814482][ T72] ip6_route_input+0x59c/0xa50 [ 6233.814482][ T72] ipv6_rcv+0x397/0x810 [ 6233.814482][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6233.814482][ T72] process_backlog+0x101/0x620 [ 6233.814482][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6233.814482][ T72] net_rx_action+0x495/0xbe0 [ 6233.814482][ T72] __do_softirq+0x1b5/0x7f6 [ 6233.814482][ T72] [ 6233.816131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6233.816131][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.816131][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.816131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.816131][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6233.816131][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6233.816131][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6233.816131][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6233.816131][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6233.816131][ T72] addrconf_dad_begin+0x310/0x670 [ 6233.816131][ T72] addrconf_dad_work+0x10b/0xab0 [ 6233.816131][ T72] process_one_work+0x84d/0x18a0 [ 6233.816131][ T72] worker_thread+0x587/0xd30 [ 6233.816131][ T72] kthread+0x28a/0x350 [ 6233.816131][ T72] ret_from_fork+0x31/0x70 [ 6233.816131][ T72] ret_from_fork_asm+0x1a/0x30 [ 6233.816131][ T72] [ 6233.818045][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6233.818045][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.818045][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.818045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.818045][ T72] ip6_route_add+0x1c/0x140 [ 6233.818045][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6233.818045][ T72] inet6_addr_add+0x4f8/0xa40 [ 6233.818045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.818045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.818045][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.818045][ T72] netlink_unicast+0x449/0x710 [ 6233.818045][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.818045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.818045][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.818045][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.818045][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.818045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.818045][ T72] [ 6233.820060][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6233.820060][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.820060][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.820060][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.820060][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6233.820060][ T72] ipv6_add_addr+0x411/0x2000 [ 6233.820060][ T72] inet6_addr_add+0x30e/0xa40 [ 6233.820060][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.820060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.820060][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.820060][ T72] netlink_unicast+0x449/0x710 [ 6233.820060][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.820060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.820060][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.820060][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.820060][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.820060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.820060][ T72] [ 6233.822065][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6233.822065][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.822065][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.822065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.822065][ T72] ip6_route_add+0x1c/0x140 [ 6233.822065][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6233.822065][ T72] addrconf_add_dev+0xe2/0x170 [ 6233.822065][ T72] inet6_addr_add+0x12f/0xa40 [ 6233.822065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.822065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.822065][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.822065][ T72] netlink_unicast+0x449/0x710 [ 6233.822065][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.822065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.822065][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.822065][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.822065][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.822065][ T72] [ 6233.824028][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6233.824028][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6233.824028][ T72] ipv6_find_idev+0x102/0x170 [ 6233.824028][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.824028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.824028][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.824028][ T72] netlink_unicast+0x449/0x710 [ 6233.824028][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.824028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.824028][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.824028][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.824028][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.824028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.824028][ T72] [ 6233.825578][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6233.825578][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6233.825578][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6233.825578][ T72] ipv6_find_idev+0x102/0x170 [ 6233.825578][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.825578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.825578][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.825578][ T72] netlink_unicast+0x449/0x710 [ 6233.825578][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.825578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.825578][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.825578][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.825578][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.825578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.825578][ T72] [ 6233.827391][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6233.827662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6233.827662][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6233.827662][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6233.827662][ T72] fib6_nh_init+0xa22/0x1580 [ 6233.827662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.827662][ T72] ip6_route_add+0x1c/0x140 [ 6233.827662][ T72] inet6_rtm_newroute+0x104/0x110 [ 6233.827662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.827662][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.827662][ T72] netlink_unicast+0x449/0x710 [ 6233.827662][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.827662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.827662][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.827662][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.827662][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.827662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.827662][ T72] [ 6233.829852][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6233.829852][ T72] dst_init+0x84/0x4a0 [ 6233.829852][ T72] dst_alloc+0x97/0x150 [ 6233.829852][ T72] ip6_dst_alloc+0x23/0x90 [ 6233.829852][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6233.829852][ T72] ip6_pol_route+0x56f/0x840 [ 6233.829852][ T72] fib6_rule_lookup+0x456/0x630 [ 6233.829852][ T72] ip6_route_input+0x59c/0xa50 [ 6233.829852][ T72] ipv6_rcv+0x397/0x810 [ 6233.829852][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6233.829852][ T72] process_backlog+0x101/0x620 [ 6233.829852][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6233.829852][ T72] net_rx_action+0x495/0xbe0 [ 6233.829852][ T72] __do_softirq+0x1b5/0x7f6 [ 6233.829852][ T72] [ 6233.831706][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6233.831706][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.831706][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.831706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.831706][ T72] ip6_route_add+0x1c/0x140 [ 6233.831706][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6233.831706][ T72] inet6_addr_add+0x4f8/0xa40 [ 6233.831706][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.831706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.831706][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.831706][ T72] netlink_unicast+0x449/0x710 [ 6233.831706][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.831706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.831706][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.831706][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.831706][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.831706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.831706][ T72] [ 6233.833894][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6233.833894][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.833894][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.833894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.833894][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6233.833894][ T72] ipv6_add_addr+0x411/0x2000 [ 6233.833894][ T72] inet6_addr_add+0x30e/0xa40 [ 6233.833894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.833894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.833894][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.833894][ T72] netlink_unicast+0x449/0x710 [ 6233.833894][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.833894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.833894][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.833894][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.833894][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.833894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.833894][ T72] [ 6233.836167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6233.836167][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.836167][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.836167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.836167][ T72] ip6_route_add+0x1c/0x140 [ 6233.836167][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6233.836167][ T72] addrconf_add_dev+0xe2/0x170 [ 6233.836167][ T72] inet6_addr_add+0x12f/0xa40 [ 6233.836167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.836167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.836167][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.836167][ T72] netlink_unicast+0x449/0x710 [ 6233.836167][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.836167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.836167][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.836167][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.836167][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.836167][ T72] [ 6233.838446][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6233.838446][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6233.838446][ T72] ipv6_find_idev+0x102/0x170 [ 6233.838446][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.838446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.838446][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.838446][ T72] netlink_unicast+0x449/0x710 [ 6233.838446][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.838446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.838446][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.838446][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.838446][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.838446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.838446][ T72] [ 6233.840179][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6233.840179][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6233.840179][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6233.840179][ T72] ipv6_find_idev+0x102/0x170 [ 6233.840179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.840179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.840179][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.840179][ T72] netlink_unicast+0x449/0x710 [ 6233.840179][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.840179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.840179][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.840179][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.840179][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.840179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.840179][ T72] [ 6233.842062][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6233.842400][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6233.842400][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.842400][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.842400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.842400][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6233.842400][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6233.842400][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6233.842400][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6233.842400][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6233.842400][ T72] addrconf_dad_begin+0x310/0x670 [ 6233.842400][ T72] addrconf_dad_work+0x10b/0xab0 [ 6233.842400][ T72] process_one_work+0x84d/0x18a0 [ 6233.842400][ T72] worker_thread+0x587/0xd30 [ 6233.842400][ T72] kthread+0x28a/0x350 [ 6233.842400][ T72] ret_from_fork+0x31/0x70 [ 6233.842400][ T72] ret_from_fork_asm+0x1a/0x30 [ 6233.842400][ T72] [ 6233.844430][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6233.844430][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.844430][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.844430][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.844430][ T72] ip6_route_add+0x1c/0x140 [ 6233.844430][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6233.844430][ T72] inet6_addr_add+0x4f8/0xa40 [ 6233.844430][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.844430][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.844430][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.844430][ T72] netlink_unicast+0x449/0x710 [ 6233.844430][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.844430][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.844430][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.844430][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.844430][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.844430][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.844430][ T72] [ 6233.846677][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6233.846677][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.846677][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.846677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.846677][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6233.846677][ T72] ipv6_add_addr+0x411/0x2000 [ 6233.846677][ T72] inet6_addr_add+0x30e/0xa40 [ 6233.846677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.846677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.846677][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.846677][ T72] netlink_unicast+0x449/0x710 [ 6233.846677][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.846677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.846677][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.846677][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.846677][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.846677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.846677][ T72] [ 6233.848981][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6233.848981][ T72] netdev_get_by_index+0x5e/0x80 [ 6233.848981][ T72] fib6_nh_init+0x3d8/0x1580 [ 6233.848981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6233.848981][ T72] ip6_route_add+0x1c/0x140 [ 6233.848981][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6233.848981][ T72] addrconf_add_dev+0xe2/0x170 [ 6233.848981][ T72] inet6_addr_add+0x12f/0xa40 [ 6233.848981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6233.848981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.848981][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.848981][ T72] netlink_unicast+0x449/0x710 [ 6233.848981][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.848981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.848981][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.848981][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.848981][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.848981][ T72] [ 6233.851201][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6233.851201][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6233.851201][ T72] ipv6_find_idev+0x102/0x170 [ 6233.851201][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.851201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.851201][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.851201][ T72] netlink_unicast+0x449/0x710 [ 6233.851201][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.851201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.851201][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.851201][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.851201][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.851201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.851201][ T72] [ 6233.852930][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6233.852930][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6233.852930][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6233.852930][ T72] ipv6_find_idev+0x102/0x170 [ 6233.852930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6233.852930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6233.852930][ T72] netlink_rcv_skb+0x130/0x360 [ 6233.852930][ T72] netlink_unicast+0x449/0x710 [ 6233.852930][ T72] netlink_sendmsg+0x723/0xbe0 [ 6233.852930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6233.852930][ T72] ___sys_sendmsg+0xee/0x170 [ 6233.852930][ T72] __sys_sendmsg+0xcd/0x170 [ 6233.852930][ T72] do_syscall_64+0xc6/0x1e0 [ 6233.852930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6233.852930][ T72] [ 6243.920984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6243.921794][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6243.921794][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6243.921794][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6243.921794][ T72] fib6_nh_init+0xa22/0x1580 [ 6243.921794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.921794][ T72] ip6_route_add+0x1c/0x140 [ 6243.921794][ T72] inet6_rtm_newroute+0x104/0x110 [ 6243.921794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.921794][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.921794][ T72] netlink_unicast+0x449/0x710 [ 6243.921794][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.921794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.921794][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.921794][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.921794][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.921794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.921794][ T72] [ 6243.923714][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6243.923714][ T72] dst_init+0x84/0x4a0 [ 6243.923714][ T72] dst_alloc+0x97/0x150 [ 6243.923714][ T72] ip6_dst_alloc+0x23/0x90 [ 6243.923714][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6243.923714][ T72] ip6_pol_route+0x56f/0x840 [ 6243.923714][ T72] fib6_rule_lookup+0x456/0x630 [ 6243.923714][ T72] ip6_route_input+0x59c/0xa50 [ 6243.923714][ T72] ipv6_rcv+0x397/0x810 [ 6243.923714][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6243.923714][ T72] process_backlog+0x101/0x620 [ 6243.923714][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6243.923714][ T72] net_rx_action+0x495/0xbe0 [ 6243.923714][ T72] __do_softirq+0x1b5/0x7f6 [ 6243.923714][ T72] [ 6243.925367][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6243.925367][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.925367][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.925367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.925367][ T72] ip6_route_add+0x1c/0x140 [ 6243.925367][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6243.925367][ T72] inet6_addr_add+0x4f8/0xa40 [ 6243.925367][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.925367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.925367][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.925367][ T72] netlink_unicast+0x449/0x710 [ 6243.925367][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.925367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.925367][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.925367][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.925367][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.925367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.925367][ T72] [ 6243.927383][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6243.927383][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.927383][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.927383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.927383][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6243.927383][ T72] ipv6_add_addr+0x411/0x2000 [ 6243.927383][ T72] inet6_addr_add+0x30e/0xa40 [ 6243.927383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.927383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.927383][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.927383][ T72] netlink_unicast+0x449/0x710 [ 6243.927383][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.927383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.927383][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.927383][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.927383][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.927383][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.927383][ T72] [ 6243.929441][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6243.929441][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.929441][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.929441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.929441][ T72] ip6_route_add+0x1c/0x140 [ 6243.929441][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6243.929441][ T72] addrconf_add_dev+0xe2/0x170 [ 6243.929441][ T72] inet6_addr_add+0x12f/0xa40 [ 6243.929441][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.929441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.929441][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.929441][ T72] netlink_unicast+0x449/0x710 [ 6243.929441][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.929441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.929441][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.929441][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.929441][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.929441][ T72] [ 6243.931422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6243.931422][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6243.931422][ T72] ipv6_find_idev+0x102/0x170 [ 6243.931422][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.931422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.931422][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.931422][ T72] netlink_unicast+0x449/0x710 [ 6243.931422][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.931422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.931422][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.931422][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.931422][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.931422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.931422][ T72] [ 6243.932967][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6243.932967][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6243.932967][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6243.932967][ T72] ipv6_find_idev+0x102/0x170 [ 6243.932967][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.932967][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.932967][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.932967][ T72] netlink_unicast+0x449/0x710 [ 6243.932967][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.932967][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.932967][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.932967][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.932967][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.932967][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.932967][ T72] [ 6243.934730][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6243.935024][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6243.935024][ T72] dst_init+0x84/0x4a0 [ 6243.935024][ T72] dst_alloc+0x97/0x150 [ 6243.935024][ T72] ip6_dst_alloc+0x23/0x90 [ 6243.935024][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6243.935024][ T72] ip6_pol_route+0x56f/0x840 [ 6243.935024][ T72] fib6_rule_lookup+0x456/0x630 [ 6243.935024][ T72] ip6_route_input+0x59c/0xa50 [ 6243.935024][ T72] ipv6_rcv+0x397/0x810 [ 6243.935024][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6243.935024][ T72] process_backlog+0x101/0x620 [ 6243.935024][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6243.935024][ T72] net_rx_action+0x495/0xbe0 [ 6243.935024][ T72] __do_softirq+0x1b5/0x7f6 [ 6243.935024][ T72] [ 6243.936672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6243.936672][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.936672][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.936672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.936672][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6243.936672][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6243.936672][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6243.936672][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6243.936672][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6243.936672][ T72] addrconf_dad_begin+0x310/0x670 [ 6243.936672][ T72] addrconf_dad_work+0x10b/0xab0 [ 6243.936672][ T72] process_one_work+0x84d/0x18a0 [ 6243.936672][ T72] worker_thread+0x587/0xd30 [ 6243.936672][ T72] kthread+0x28a/0x350 [ 6243.936672][ T72] ret_from_fork+0x31/0x70 [ 6243.936672][ T72] ret_from_fork_asm+0x1a/0x30 [ 6243.936672][ T72] [ 6243.939123][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6243.939123][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.939123][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.939123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.939123][ T72] ip6_route_add+0x1c/0x140 [ 6243.939123][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6243.939123][ T72] inet6_addr_add+0x4f8/0xa40 [ 6243.939123][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.939123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.939123][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.939123][ T72] netlink_unicast+0x449/0x710 [ 6243.939123][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.939123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.939123][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.939123][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.939123][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.939123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.939123][ T72] [ 6243.941130][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6243.941130][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.941130][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.941130][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.941130][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6243.941130][ T72] ipv6_add_addr+0x411/0x2000 [ 6243.941130][ T72] inet6_addr_add+0x30e/0xa40 [ 6243.941130][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.941130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.941130][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.941130][ T72] netlink_unicast+0x449/0x710 [ 6243.941130][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.941130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.941130][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.941130][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.941130][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.941130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.941130][ T72] [ 6243.943131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6243.943131][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.943131][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.943131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.943131][ T72] ip6_route_add+0x1c/0x140 [ 6243.943131][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6243.943131][ T72] addrconf_add_dev+0xe2/0x170 [ 6243.943131][ T72] inet6_addr_add+0x12f/0xa40 [ 6243.943131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.943131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.943131][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.943131][ T72] netlink_unicast+0x449/0x710 [ 6243.943131][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.943131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.943131][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.943131][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.943131][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.943131][ T72] [ 6243.945093][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6243.945093][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6243.945093][ T72] ipv6_find_idev+0x102/0x170 [ 6243.945093][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.945093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.945093][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.945093][ T72] netlink_unicast+0x449/0x710 [ 6243.945093][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.945093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.945093][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.945093][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.945093][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.945093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.945093][ T72] [ 6243.946685][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6243.946685][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6243.946685][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6243.946685][ T72] ipv6_find_idev+0x102/0x170 [ 6243.946685][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.946685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.946685][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.946685][ T72] netlink_unicast+0x449/0x710 [ 6243.946685][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.946685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.946685][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.946685][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.946685][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.946685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.946685][ T72] [ 6243.948525][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6243.948798][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6243.948798][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6243.948798][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6243.948798][ T72] fib6_nh_init+0xa22/0x1580 [ 6243.948798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.948798][ T72] ip6_route_add+0x1c/0x140 [ 6243.948798][ T72] inet6_rtm_newroute+0x104/0x110 [ 6243.948798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.948798][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.948798][ T72] netlink_unicast+0x449/0x710 [ 6243.948798][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.948798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.948798][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.948798][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.948798][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.948798][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.948798][ T72] [ 6243.951007][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6243.951007][ T72] dst_init+0x84/0x4a0 [ 6243.951007][ T72] dst_alloc+0x97/0x150 [ 6243.951007][ T72] ip6_dst_alloc+0x23/0x90 [ 6243.951007][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6243.951007][ T72] ip6_pol_route+0x56f/0x840 [ 6243.951007][ T72] fib6_rule_lookup+0x456/0x630 [ 6243.951007][ T72] ip6_route_input+0x59c/0xa50 [ 6243.951007][ T72] ipv6_rcv+0x397/0x810 [ 6243.951007][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6243.951007][ T72] process_backlog+0x101/0x620 [ 6243.951007][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6243.951007][ T72] net_rx_action+0x495/0xbe0 [ 6243.951007][ T72] __do_softirq+0x1b5/0x7f6 [ 6243.951007][ T72] [ 6243.952837][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6243.952837][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.952837][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.952837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.952837][ T72] ip6_route_add+0x1c/0x140 [ 6243.952837][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6243.952837][ T72] inet6_addr_add+0x4f8/0xa40 [ 6243.952837][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.952837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.952837][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.952837][ T72] netlink_unicast+0x449/0x710 [ 6243.952837][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.952837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.952837][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.952837][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.952837][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.952837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.952837][ T72] [ 6243.982016][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6243.982016][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.982016][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.982016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.982016][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6243.982016][ T72] ipv6_add_addr+0x411/0x2000 [ 6243.982016][ T72] inet6_addr_add+0x30e/0xa40 [ 6243.982016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.982016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.982016][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.982016][ T72] netlink_unicast+0x449/0x710 [ 6243.982016][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.982016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.982016][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.982016][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.982016][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.982016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.982016][ T72] [ 6243.984248][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6243.984248][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.984248][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.984248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.984248][ T72] ip6_route_add+0x1c/0x140 [ 6243.984248][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6243.984248][ T72] addrconf_add_dev+0xe2/0x170 [ 6243.984248][ T72] inet6_addr_add+0x12f/0xa40 [ 6243.984248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.984248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.984248][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.984248][ T72] netlink_unicast+0x449/0x710 [ 6243.984248][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.984248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.984248][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.984248][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.984248][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.984248][ T72] [ 6243.986512][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6243.986512][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6243.986512][ T72] ipv6_find_idev+0x102/0x170 [ 6243.986512][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.986512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.986512][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.986512][ T72] netlink_unicast+0x449/0x710 [ 6243.986512][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.986512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.986512][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.986512][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.986512][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.986512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.986512][ T72] [ 6243.988239][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6243.988239][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6243.988239][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6243.988239][ T72] ipv6_find_idev+0x102/0x170 [ 6243.988239][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.988239][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.988239][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.988239][ T72] netlink_unicast+0x449/0x710 [ 6243.988239][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.988239][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.988239][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.988239][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.988239][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.988239][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.988239][ T72] [ 6243.990149][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6243.990513][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6243.990513][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.990513][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.990513][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.990513][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6243.990513][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6243.990513][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6243.990513][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6243.990513][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6243.990513][ T72] addrconf_dad_begin+0x310/0x670 [ 6243.990513][ T72] addrconf_dad_work+0x10b/0xab0 [ 6243.990513][ T72] process_one_work+0x84d/0x18a0 [ 6243.990513][ T72] worker_thread+0x587/0xd30 [ 6243.990513][ T72] kthread+0x28a/0x350 [ 6243.990513][ T72] ret_from_fork+0x31/0x70 [ 6243.990513][ T72] ret_from_fork_asm+0x1a/0x30 [ 6243.990513][ T72] [ 6243.992530][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6243.992530][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.992530][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.992530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.992530][ T72] ip6_route_add+0x1c/0x140 [ 6243.992530][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6243.992530][ T72] inet6_addr_add+0x4f8/0xa40 [ 6243.992530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.992530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.992530][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.992530][ T72] netlink_unicast+0x449/0x710 [ 6243.992530][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.992530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.992530][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.992530][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.992530][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.992530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.992530][ T72] [ 6243.994795][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6243.994795][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.994795][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.994795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.994795][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6243.994795][ T72] ipv6_add_addr+0x411/0x2000 [ 6243.994795][ T72] inet6_addr_add+0x30e/0xa40 [ 6243.994795][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.994795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.994795][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.994795][ T72] netlink_unicast+0x449/0x710 [ 6243.994795][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.994795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.994795][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.994795][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.994795][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.994795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.994795][ T72] [ 6243.997104][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6243.997104][ T72] netdev_get_by_index+0x5e/0x80 [ 6243.997104][ T72] fib6_nh_init+0x3d8/0x1580 [ 6243.997104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6243.997104][ T72] ip6_route_add+0x1c/0x140 [ 6243.997104][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6243.997104][ T72] addrconf_add_dev+0xe2/0x170 [ 6243.997104][ T72] inet6_addr_add+0x12f/0xa40 [ 6243.997104][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.997104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.997104][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.997104][ T72] netlink_unicast+0x449/0x710 [ 6243.997104][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.997104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.997104][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.997104][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.997104][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.997104][ T72] [ 6243.999332][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6243.999332][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6243.999332][ T72] ipv6_find_idev+0x102/0x170 [ 6243.999332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.999332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.999332][ T72] netlink_rcv_skb+0x130/0x360 [ 6243.999332][ T72] netlink_unicast+0x449/0x710 [ 6243.999332][ T72] netlink_sendmsg+0x723/0xbe0 [ 6243.999332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6243.999332][ T72] ___sys_sendmsg+0xee/0x170 [ 6243.999332][ T72] __sys_sendmsg+0xcd/0x170 [ 6243.999332][ T72] do_syscall_64+0xc6/0x1e0 [ 6243.999332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.999332][ T72] [ 6244.001067][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6244.001067][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6244.001067][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6244.001067][ T72] ipv6_find_idev+0x102/0x170 [ 6244.001067][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.001067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.001067][ T72] netlink_rcv_skb+0x130/0x360 [ 6244.001067][ T72] netlink_unicast+0x449/0x710 [ 6244.001067][ T72] netlink_sendmsg+0x723/0xbe0 [ 6244.001067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6244.001067][ T72] ___sys_sendmsg+0xee/0x170 [ 6244.001067][ T72] __sys_sendmsg+0xcd/0x170 [ 6244.001067][ T72] do_syscall_64+0xc6/0x1e0 [ 6244.001067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.001067][ T72] [ 6254.240995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6254.241537][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6254.241537][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6254.241537][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6254.241537][ T72] fib6_nh_init+0xa22/0x1580 [ 6254.241537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.241537][ T72] ip6_route_add+0x1c/0x140 [ 6254.241537][ T72] inet6_rtm_newroute+0x104/0x110 [ 6254.241537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.241537][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.241537][ T72] netlink_unicast+0x449/0x710 [ 6254.241537][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.241537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.241537][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.241537][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.241537][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.241537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.241537][ T72] [ 6254.243853][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6254.243853][ T72] dst_init+0x84/0x4a0 [ 6254.243853][ T72] dst_alloc+0x97/0x150 [ 6254.243853][ T72] ip6_dst_alloc+0x23/0x90 [ 6254.243853][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6254.243853][ T72] ip6_pol_route+0x56f/0x840 [ 6254.243853][ T72] fib6_rule_lookup+0x456/0x630 [ 6254.243853][ T72] ip6_route_input+0x59c/0xa50 [ 6254.243853][ T72] ipv6_rcv+0x397/0x810 [ 6254.243853][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6254.243853][ T72] process_backlog+0x101/0x620 [ 6254.243853][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6254.243853][ T72] net_rx_action+0x495/0xbe0 [ 6254.243853][ T72] __do_softirq+0x1b5/0x7f6 [ 6254.243853][ T72] [ 6254.245854][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6254.245854][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.245854][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.245854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.245854][ T72] ip6_route_add+0x1c/0x140 [ 6254.245854][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6254.245854][ T72] inet6_addr_add+0x4f8/0xa40 [ 6254.245854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.245854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.245854][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.245854][ T72] netlink_unicast+0x449/0x710 [ 6254.245854][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.245854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.245854][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.245854][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.245854][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.245854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.245854][ T72] [ 6254.248295][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6254.248295][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.248295][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.248295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.248295][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6254.248295][ T72] ipv6_add_addr+0x411/0x2000 [ 6254.248295][ T72] inet6_addr_add+0x30e/0xa40 [ 6254.248295][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.248295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.248295][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.248295][ T72] netlink_unicast+0x449/0x710 [ 6254.248295][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.248295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.248295][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.248295][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.248295][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.248295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.248295][ T72] [ 6254.250730][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6254.250730][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.250730][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.250730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.250730][ T72] ip6_route_add+0x1c/0x140 [ 6254.250730][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6254.250730][ T72] addrconf_add_dev+0xe2/0x170 [ 6254.250730][ T72] inet6_addr_add+0x12f/0xa40 [ 6254.250730][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.250730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.250730][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.250730][ T72] netlink_unicast+0x449/0x710 [ 6254.250730][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.250730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.250730][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.250730][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.250730][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.250730][ T72] [ 6254.253128][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6254.253128][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6254.253128][ T72] ipv6_find_idev+0x102/0x170 [ 6254.253128][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.253128][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.253128][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.253128][ T72] netlink_unicast+0x449/0x710 [ 6254.253128][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.253128][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.253128][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.253128][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.253128][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.253128][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.253128][ T72] [ 6254.255001][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6254.255001][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6254.255001][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6254.255001][ T72] ipv6_find_idev+0x102/0x170 [ 6254.255001][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.255001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.255001][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.255001][ T72] netlink_unicast+0x449/0x710 [ 6254.255001][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.255001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.255001][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.255001][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.255001][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.255001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.255001][ T72] [ 6254.257083][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6254.257408][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6254.257408][ T72] dst_init+0x84/0x4a0 [ 6254.257408][ T72] dst_alloc+0x97/0x150 [ 6254.257408][ T72] ip6_dst_alloc+0x23/0x90 [ 6254.257408][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6254.257408][ T72] ip6_pol_route+0x56f/0x840 [ 6254.257408][ T72] fib6_rule_lookup+0x456/0x630 [ 6254.257408][ T72] ip6_route_input+0x59c/0xa50 [ 6254.257408][ T72] ipv6_rcv+0x397/0x810 [ 6254.257408][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6254.257408][ T72] process_backlog+0x101/0x620 [ 6254.257408][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6254.257408][ T72] net_rx_action+0x495/0xbe0 [ 6254.257408][ T72] __do_softirq+0x1b5/0x7f6 [ 6254.257408][ T72] [ 6254.259435][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6254.259435][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.259435][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.259435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.259435][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6254.259435][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6254.259435][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6254.259435][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6254.259435][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6254.259435][ T72] addrconf_dad_begin+0x310/0x670 [ 6254.259435][ T72] addrconf_dad_work+0x10b/0xab0 [ 6254.259435][ T72] process_one_work+0x84d/0x18a0 [ 6254.259435][ T72] worker_thread+0x587/0xd30 [ 6254.259435][ T72] kthread+0x28a/0x350 [ 6254.259435][ T72] ret_from_fork+0x31/0x70 [ 6254.259435][ T72] ret_from_fork_asm+0x1a/0x30 [ 6254.259435][ T72] [ 6254.261759][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6254.261759][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.261759][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.261759][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.261759][ T72] ip6_route_add+0x1c/0x140 [ 6254.261759][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6254.261759][ T72] inet6_addr_add+0x4f8/0xa40 [ 6254.261759][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.261759][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.261759][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.261759][ T72] netlink_unicast+0x449/0x710 [ 6254.261759][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.261759][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.261759][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.261759][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.261759][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.261759][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.261759][ T72] [ 6254.278750][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6254.278750][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.278750][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.278750][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.278750][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6254.278750][ T72] ipv6_add_addr+0x411/0x2000 [ 6254.278750][ T72] inet6_addr_add+0x30e/0xa40 [ 6254.278750][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.278750][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.278750][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.278750][ T72] netlink_unicast+0x449/0x710 [ 6254.278750][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.278750][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.278750][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.278750][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.278750][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.278750][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.278750][ T72] [ 6254.281199][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6254.281199][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.281199][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.281199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.281199][ T72] ip6_route_add+0x1c/0x140 [ 6254.281199][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6254.281199][ T72] addrconf_add_dev+0xe2/0x170 [ 6254.281199][ T72] inet6_addr_add+0x12f/0xa40 [ 6254.281199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.281199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.281199][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.281199][ T72] netlink_unicast+0x449/0x710 [ 6254.281199][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.281199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.281199][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.281199][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.281199][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.281199][ T72] [ 6254.283592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6254.283592][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6254.283592][ T72] ipv6_find_idev+0x102/0x170 [ 6254.283592][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.283592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.283592][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.283592][ T72] netlink_unicast+0x449/0x710 [ 6254.283592][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.283592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.283592][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.283592][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.283592][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.283592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.283592][ T72] [ 6254.285472][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6254.285472][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6254.285472][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6254.285472][ T72] ipv6_find_idev+0x102/0x170 [ 6254.285472][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.285472][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.285472][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.285472][ T72] netlink_unicast+0x449/0x710 [ 6254.285472][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.285472][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.285472][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.285472][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.285472][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.285472][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.285472][ T72] [ 6254.287678][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6254.288035][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6254.288035][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6254.288035][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6254.288035][ T72] fib6_nh_init+0xa22/0x1580 [ 6254.288035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.288035][ T72] ip6_route_add+0x1c/0x140 [ 6254.288035][ T72] inet6_rtm_newroute+0x104/0x110 [ 6254.288035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.288035][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.288035][ T72] netlink_unicast+0x449/0x710 [ 6254.288035][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.288035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.288035][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.288035][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.288035][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.288035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.288035][ T72] [ 6254.290660][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6254.290660][ T72] dst_init+0x84/0x4a0 [ 6254.290660][ T72] dst_alloc+0x97/0x150 [ 6254.290660][ T72] ip6_dst_alloc+0x23/0x90 [ 6254.290660][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6254.290660][ T72] ip6_pol_route+0x56f/0x840 [ 6254.290660][ T72] fib6_rule_lookup+0x456/0x630 [ 6254.290660][ T72] ip6_route_input+0x59c/0xa50 [ 6254.290660][ T72] ipv6_rcv+0x397/0x810 [ 6254.290660][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6254.290660][ T72] process_backlog+0x101/0x620 [ 6254.290660][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6254.290660][ T72] net_rx_action+0x495/0xbe0 [ 6254.290660][ T72] __do_softirq+0x1b5/0x7f6 [ 6254.290660][ T72] [ 6254.292846][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6254.292846][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.292846][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.292846][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.292846][ T72] ip6_route_add+0x1c/0x140 [ 6254.292846][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6254.292846][ T72] inet6_addr_add+0x4f8/0xa40 [ 6254.292846][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.292846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.292846][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.292846][ T72] netlink_unicast+0x449/0x710 [ 6254.292846][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.292846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.292846][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.292846][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.292846][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.292846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.292846][ T72] [ 6254.295463][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6254.295463][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.295463][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.295463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.295463][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6254.295463][ T72] ipv6_add_addr+0x411/0x2000 [ 6254.295463][ T72] inet6_addr_add+0x30e/0xa40 [ 6254.295463][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.295463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.295463][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.295463][ T72] netlink_unicast+0x449/0x710 [ 6254.295463][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.295463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.295463][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.295463][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.295463][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.295463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.295463][ T72] [ 6254.298139][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6254.298139][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.298139][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.298139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.298139][ T72] ip6_route_add+0x1c/0x140 [ 6254.298139][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6254.298139][ T72] addrconf_add_dev+0xe2/0x170 [ 6254.298139][ T72] inet6_addr_add+0x12f/0xa40 [ 6254.298139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.298139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.298139][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.298139][ T72] netlink_unicast+0x449/0x710 [ 6254.298139][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.298139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.298139][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.298139][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.298139][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.298139][ T72] [ 6254.300846][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6254.300846][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6254.300846][ T72] ipv6_find_idev+0x102/0x170 [ 6254.300846][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.300846][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.300846][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.300846][ T72] netlink_unicast+0x449/0x710 [ 6254.300846][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.300846][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.300846][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.300846][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.300846][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.300846][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.300846][ T72] [ 6254.302902][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6254.302902][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6254.302902][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6254.302902][ T72] ipv6_find_idev+0x102/0x170 [ 6254.302902][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.302902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.302902][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.302902][ T72] netlink_unicast+0x449/0x710 [ 6254.302902][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.302902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.302902][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.302902][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.302902][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.302902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.302902][ T72] [ 6254.305148][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6254.305550][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6254.305550][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.305550][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.305550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.305550][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6254.305550][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6254.305550][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6254.305550][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6254.305550][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6254.305550][ T72] addrconf_dad_begin+0x310/0x670 [ 6254.305550][ T72] addrconf_dad_work+0x10b/0xab0 [ 6254.305550][ T72] process_one_work+0x84d/0x18a0 [ 6254.305550][ T72] worker_thread+0x587/0xd30 [ 6254.305550][ T72] kthread+0x28a/0x350 [ 6254.305550][ T72] ret_from_fork+0x31/0x70 [ 6254.305550][ T72] ret_from_fork_asm+0x1a/0x30 [ 6254.305550][ T72] [ 6254.307996][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6254.307996][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.307996][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.307996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.307996][ T72] ip6_route_add+0x1c/0x140 [ 6254.307996][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6254.307996][ T72] inet6_addr_add+0x4f8/0xa40 [ 6254.307996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.307996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.307996][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.307996][ T72] netlink_unicast+0x449/0x710 [ 6254.307996][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.307996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.307996][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.307996][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.307996][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.307996][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.307996][ T72] [ 6254.310701][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6254.310701][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.310701][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.310701][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.310701][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6254.310701][ T72] ipv6_add_addr+0x411/0x2000 [ 6254.310701][ T72] inet6_addr_add+0x30e/0xa40 [ 6254.310701][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.310701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.310701][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.310701][ T72] netlink_unicast+0x449/0x710 [ 6254.310701][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.310701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.310701][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.310701][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.310701][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.310701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.310701][ T72] [ 6254.313444][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6254.313444][ T72] netdev_get_by_index+0x5e/0x80 [ 6254.313444][ T72] fib6_nh_init+0x3d8/0x1580 [ 6254.313444][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6254.313444][ T72] ip6_route_add+0x1c/0x140 [ 6254.313444][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6254.313444][ T72] addrconf_add_dev+0xe2/0x170 [ 6254.313444][ T72] inet6_addr_add+0x12f/0xa40 [ 6254.313444][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.313444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.313444][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.313444][ T72] netlink_unicast+0x449/0x710 [ 6254.313444][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.313444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.313444][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.313444][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.313444][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.313444][ T72] [ 6254.316072][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6254.316072][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6254.316072][ T72] ipv6_find_idev+0x102/0x170 [ 6254.316072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.316072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.316072][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.316072][ T72] netlink_unicast+0x449/0x710 [ 6254.316072][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.316072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.316072][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.316072][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.316072][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.316072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.316072][ T72] [ 6254.318130][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6254.318130][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6254.318130][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6254.318130][ T72] ipv6_find_idev+0x102/0x170 [ 6254.318130][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.318130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.318130][ T72] netlink_rcv_skb+0x130/0x360 [ 6254.318130][ T72] netlink_unicast+0x449/0x710 [ 6254.318130][ T72] netlink_sendmsg+0x723/0xbe0 [ 6254.318130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6254.318130][ T72] ___sys_sendmsg+0xee/0x170 [ 6254.318130][ T72] __sys_sendmsg+0xcd/0x170 [ 6254.318130][ T72] do_syscall_64+0xc6/0x1e0 [ 6254.318130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.318130][ T72] [ 6264.560922][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6264.561425][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6264.561425][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6264.561425][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6264.561425][ T72] fib6_nh_init+0xa22/0x1580 [ 6264.561425][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.561425][ T72] ip6_route_add+0x1c/0x140 [ 6264.561425][ T72] inet6_rtm_newroute+0x104/0x110 [ 6264.561425][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.561425][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.561425][ T72] netlink_unicast+0x449/0x710 [ 6264.561425][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.561425][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.561425][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.561425][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.561425][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.561425][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.561425][ T72] [ 6264.563357][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6264.563357][ T72] dst_init+0x84/0x4a0 [ 6264.563357][ T72] dst_alloc+0x97/0x150 [ 6264.563357][ T72] ip6_dst_alloc+0x23/0x90 [ 6264.563357][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6264.563357][ T72] ip6_pol_route+0x56f/0x840 [ 6264.563357][ T72] fib6_rule_lookup+0x456/0x630 [ 6264.563357][ T72] ip6_route_input+0x59c/0xa50 [ 6264.563357][ T72] ipv6_rcv+0x397/0x810 [ 6264.563357][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6264.563357][ T72] process_backlog+0x101/0x620 [ 6264.563357][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6264.563357][ T72] net_rx_action+0x495/0xbe0 [ 6264.563357][ T72] __do_softirq+0x1b5/0x7f6 [ 6264.563357][ T72] [ 6264.565014][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6264.565014][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.565014][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.565014][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.565014][ T72] ip6_route_add+0x1c/0x140 [ 6264.565014][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6264.565014][ T72] inet6_addr_add+0x4f8/0xa40 [ 6264.565014][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.565014][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.565014][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.565014][ T72] netlink_unicast+0x449/0x710 [ 6264.565014][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.565014][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.565014][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.565014][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.565014][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.565014][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.565014][ T72] [ 6264.567036][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6264.567036][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.567036][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.567036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.567036][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6264.567036][ T72] ipv6_add_addr+0x411/0x2000 [ 6264.567036][ T72] inet6_addr_add+0x30e/0xa40 [ 6264.567036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.567036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.567036][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.567036][ T72] netlink_unicast+0x449/0x710 [ 6264.567036][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.567036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.567036][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.567036][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.567036][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.567036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.567036][ T72] [ 6264.569050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6264.569050][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.569050][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.569050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.569050][ T72] ip6_route_add+0x1c/0x140 [ 6264.569050][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6264.569050][ T72] addrconf_add_dev+0xe2/0x170 [ 6264.569050][ T72] inet6_addr_add+0x12f/0xa40 [ 6264.569050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.569050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.569050][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.569050][ T72] netlink_unicast+0x449/0x710 [ 6264.569050][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.569050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.569050][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.569050][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.569050][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.569050][ T72] [ 6264.571063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6264.571063][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6264.571063][ T72] ipv6_find_idev+0x102/0x170 [ 6264.571063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.571063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.571063][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.571063][ T72] netlink_unicast+0x449/0x710 [ 6264.571063][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.571063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.571063][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.571063][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.571063][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.571063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.571063][ T72] [ 6264.572608][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6264.572608][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6264.572608][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6264.572608][ T72] ipv6_find_idev+0x102/0x170 [ 6264.572608][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.572608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.572608][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.572608][ T72] netlink_unicast+0x449/0x710 [ 6264.572608][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.572608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.572608][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.572608][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.572608][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.572608][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.572608][ T72] [ 6264.574320][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6264.574594][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6264.574594][ T72] dst_init+0x84/0x4a0 [ 6264.574594][ T72] dst_alloc+0x97/0x150 [ 6264.574594][ T72] ip6_dst_alloc+0x23/0x90 [ 6264.574594][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6264.574594][ T72] ip6_pol_route+0x56f/0x840 [ 6264.574594][ T72] fib6_rule_lookup+0x456/0x630 [ 6264.574594][ T72] ip6_route_input+0x59c/0xa50 [ 6264.574594][ T72] ipv6_rcv+0x397/0x810 [ 6264.574594][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6264.574594][ T72] process_backlog+0x101/0x620 [ 6264.574594][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6264.574594][ T72] net_rx_action+0x495/0xbe0 [ 6264.574594][ T72] __do_softirq+0x1b5/0x7f6 [ 6264.574594][ T72] [ 6264.576248][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6264.576248][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.576248][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.576248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.576248][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6264.576248][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6264.576248][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6264.576248][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6264.576248][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6264.576248][ T72] addrconf_dad_begin+0x310/0x670 [ 6264.576248][ T72] addrconf_dad_work+0x10b/0xab0 [ 6264.576248][ T72] process_one_work+0x84d/0x18a0 [ 6264.576248][ T72] worker_thread+0x587/0xd30 [ 6264.576248][ T72] kthread+0x28a/0x350 [ 6264.576248][ T72] ret_from_fork+0x31/0x70 [ 6264.576248][ T72] ret_from_fork_asm+0x1a/0x30 [ 6264.576248][ T72] [ 6264.578167][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6264.578167][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.578167][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.578167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.578167][ T72] ip6_route_add+0x1c/0x140 [ 6264.578167][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6264.578167][ T72] inet6_addr_add+0x4f8/0xa40 [ 6264.578167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.578167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.578167][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.578167][ T72] netlink_unicast+0x449/0x710 [ 6264.578167][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.578167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.578167][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.578167][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.578167][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.578167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.578167][ T72] [ 6264.580187][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6264.580187][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.580187][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.580187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.580187][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6264.580187][ T72] ipv6_add_addr+0x411/0x2000 [ 6264.580187][ T72] inet6_addr_add+0x30e/0xa40 [ 6264.580187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.580187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.580187][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.580187][ T72] netlink_unicast+0x449/0x710 [ 6264.580187][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.580187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.580187][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.580187][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.580187][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.580187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.580187][ T72] [ 6264.582199][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6264.582199][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.582199][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.582199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.582199][ T72] ip6_route_add+0x1c/0x140 [ 6264.582199][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6264.582199][ T72] addrconf_add_dev+0xe2/0x170 [ 6264.582199][ T72] inet6_addr_add+0x12f/0xa40 [ 6264.582199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.582199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.582199][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.582199][ T72] netlink_unicast+0x449/0x710 [ 6264.582199][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.582199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.582199][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.582199][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.582199][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.582199][ T72] [ 6264.584169][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6264.584169][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6264.584169][ T72] ipv6_find_idev+0x102/0x170 [ 6264.584169][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.584169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.584169][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.584169][ T72] netlink_unicast+0x449/0x710 [ 6264.584169][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.584169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.584169][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.584169][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.584169][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.584169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.584169][ T72] [ 6264.585717][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6264.585717][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6264.585717][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6264.585717][ T72] ipv6_find_idev+0x102/0x170 [ 6264.585717][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.585717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.585717][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.585717][ T72] netlink_unicast+0x449/0x710 [ 6264.585717][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.585717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.585717][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.585717][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.585717][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.585717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.585717][ T72] [ 6264.587541][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6264.587815][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6264.587815][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6264.587815][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6264.587815][ T72] fib6_nh_init+0xa22/0x1580 [ 6264.587815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.587815][ T72] ip6_route_add+0x1c/0x140 [ 6264.587815][ T72] inet6_rtm_newroute+0x104/0x110 [ 6264.587815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.587815][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.587815][ T72] netlink_unicast+0x449/0x710 [ 6264.587815][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.587815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.587815][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.587815][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.587815][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.587815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.587815][ T72] [ 6264.590008][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6264.590008][ T72] dst_init+0x84/0x4a0 [ 6264.590008][ T72] dst_alloc+0x97/0x150 [ 6264.590008][ T72] ip6_dst_alloc+0x23/0x90 [ 6264.590008][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6264.590008][ T72] ip6_pol_route+0x56f/0x840 [ 6264.590008][ T72] fib6_rule_lookup+0x456/0x630 [ 6264.590008][ T72] ip6_route_input+0x59c/0xa50 [ 6264.590008][ T72] ipv6_rcv+0x397/0x810 [ 6264.590008][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6264.590008][ T72] process_backlog+0x101/0x620 [ 6264.590008][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6264.590008][ T72] net_rx_action+0x495/0xbe0 [ 6264.590008][ T72] __do_softirq+0x1b5/0x7f6 [ 6264.590008][ T72] [ 6264.591830][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6264.591830][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.591830][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.591830][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.591830][ T72] ip6_route_add+0x1c/0x140 [ 6264.591830][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6264.591830][ T72] inet6_addr_add+0x4f8/0xa40 [ 6264.591830][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.591830][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.591830][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.591830][ T72] netlink_unicast+0x449/0x710 [ 6264.591830][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.591830][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.591830][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.591830][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.591830][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.591830][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.591830][ T72] [ 6264.594013][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6264.594013][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.594013][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.594013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.594013][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6264.594013][ T72] ipv6_add_addr+0x411/0x2000 [ 6264.594013][ T72] inet6_addr_add+0x30e/0xa40 [ 6264.594013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.594013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.594013][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.594013][ T72] netlink_unicast+0x449/0x710 [ 6264.594013][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.594013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.594013][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.594013][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.594013][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.594013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.594013][ T72] [ 6264.596259][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6264.596259][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.596259][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.596259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.596259][ T72] ip6_route_add+0x1c/0x140 [ 6264.596259][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6264.596259][ T72] addrconf_add_dev+0xe2/0x170 [ 6264.596259][ T72] inet6_addr_add+0x12f/0xa40 [ 6264.596259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.596259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.596259][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.596259][ T72] netlink_unicast+0x449/0x710 [ 6264.596259][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.596259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.596259][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.596259][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.596259][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.596259][ T72] [ 6264.598531][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6264.598531][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6264.598531][ T72] ipv6_find_idev+0x102/0x170 [ 6264.598531][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.598531][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.598531][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.598531][ T72] netlink_unicast+0x449/0x710 [ 6264.598531][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.598531][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.598531][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.598531][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.598531][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.598531][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.598531][ T72] [ 6264.600267][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6264.600267][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6264.600267][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6264.600267][ T72] ipv6_find_idev+0x102/0x170 [ 6264.600267][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.600267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.600267][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.600267][ T72] netlink_unicast+0x449/0x710 [ 6264.600267][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.600267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.600267][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.600267][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.600267][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.600267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.600267][ T72] [ 6264.602143][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6264.602485][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6264.602485][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.602485][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.602485][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.602485][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6264.602485][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6264.602485][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6264.602485][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6264.602485][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6264.602485][ T72] addrconf_dad_begin+0x310/0x670 [ 6264.602485][ T72] addrconf_dad_work+0x10b/0xab0 [ 6264.602485][ T72] process_one_work+0x84d/0x18a0 [ 6264.602485][ T72] worker_thread+0x587/0xd30 [ 6264.602485][ T72] kthread+0x28a/0x350 [ 6264.602485][ T72] ret_from_fork+0x31/0x70 [ 6264.602485][ T72] ret_from_fork_asm+0x1a/0x30 [ 6264.602485][ T72] [ 6264.604515][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6264.604515][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.604515][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.604515][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.604515][ T72] ip6_route_add+0x1c/0x140 [ 6264.604515][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6264.604515][ T72] inet6_addr_add+0x4f8/0xa40 [ 6264.604515][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.604515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.604515][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.604515][ T72] netlink_unicast+0x449/0x710 [ 6264.604515][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.604515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.604515][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.604515][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.604515][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.604515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.604515][ T72] [ 6264.606762][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6264.606762][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.606762][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.606762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.606762][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6264.606762][ T72] ipv6_add_addr+0x411/0x2000 [ 6264.606762][ T72] inet6_addr_add+0x30e/0xa40 [ 6264.606762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.606762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.606762][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.606762][ T72] netlink_unicast+0x449/0x710 [ 6264.606762][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.606762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.606762][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.606762][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.606762][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.606762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.606762][ T72] [ 6264.609069][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6264.609069][ T72] netdev_get_by_index+0x5e/0x80 [ 6264.609069][ T72] fib6_nh_init+0x3d8/0x1580 [ 6264.609069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6264.609069][ T72] ip6_route_add+0x1c/0x140 [ 6264.609069][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6264.609069][ T72] addrconf_add_dev+0xe2/0x170 [ 6264.609069][ T72] inet6_addr_add+0x12f/0xa40 [ 6264.609069][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.609069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.609069][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.609069][ T72] netlink_unicast+0x449/0x710 [ 6264.609069][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.609069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.609069][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.609069][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.609069][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.609069][ T72] [ 6264.611283][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6264.611283][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6264.611283][ T72] ipv6_find_idev+0x102/0x170 [ 6264.611283][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.611283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.611283][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.611283][ T72] netlink_unicast+0x449/0x710 [ 6264.611283][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.611283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.611283][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.611283][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.611283][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.611283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.611283][ T72] [ 6264.613006][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6264.613006][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6264.613006][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6264.613006][ T72] ipv6_find_idev+0x102/0x170 [ 6264.613006][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.613006][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.613006][ T72] netlink_rcv_skb+0x130/0x360 [ 6264.613006][ T72] netlink_unicast+0x449/0x710 [ 6264.613006][ T72] netlink_sendmsg+0x723/0xbe0 [ 6264.613006][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6264.613006][ T72] ___sys_sendmsg+0xee/0x170 [ 6264.613006][ T72] __sys_sendmsg+0xcd/0x170 [ 6264.613006][ T72] do_syscall_64+0xc6/0x1e0 [ 6264.613006][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.613006][ T72] [ 6274.800915][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6274.801401][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6274.801401][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6274.801401][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6274.801401][ T72] fib6_nh_init+0xa22/0x1580 [ 6274.801401][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.801401][ T72] ip6_route_add+0x1c/0x140 [ 6274.801401][ T72] inet6_rtm_newroute+0x104/0x110 [ 6274.801401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.801401][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.801401][ T72] netlink_unicast+0x449/0x710 [ 6274.801401][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.801401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.801401][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.801401][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.801401][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.801401][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.801401][ T72] [ 6274.803303][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6274.803303][ T72] dst_init+0x84/0x4a0 [ 6274.803303][ T72] dst_alloc+0x97/0x150 [ 6274.803303][ T72] ip6_dst_alloc+0x23/0x90 [ 6274.803303][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6274.803303][ T72] ip6_pol_route+0x56f/0x840 [ 6274.803303][ T72] fib6_rule_lookup+0x456/0x630 [ 6274.803303][ T72] ip6_route_input+0x59c/0xa50 [ 6274.803303][ T72] ipv6_rcv+0x397/0x810 [ 6274.803303][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6274.803303][ T72] process_backlog+0x101/0x620 [ 6274.803303][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6274.803303][ T72] net_rx_action+0x495/0xbe0 [ 6274.803303][ T72] __do_softirq+0x1b5/0x7f6 [ 6274.803303][ T72] [ 6274.804939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6274.804939][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.804939][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.804939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.804939][ T72] ip6_route_add+0x1c/0x140 [ 6274.804939][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6274.804939][ T72] inet6_addr_add+0x4f8/0xa40 [ 6274.804939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.804939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.804939][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.804939][ T72] netlink_unicast+0x449/0x710 [ 6274.804939][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.804939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.804939][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.804939][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.804939][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.804939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.804939][ T72] [ 6274.806942][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6274.806942][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.806942][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.806942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.806942][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6274.806942][ T72] ipv6_add_addr+0x411/0x2000 [ 6274.806942][ T72] inet6_addr_add+0x30e/0xa40 [ 6274.806942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.806942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.806942][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.806942][ T72] netlink_unicast+0x449/0x710 [ 6274.806942][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.806942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.806942][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.806942][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.806942][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.806942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.806942][ T72] [ 6274.808936][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6274.808936][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.808936][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.808936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.808936][ T72] ip6_route_add+0x1c/0x140 [ 6274.808936][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6274.808936][ T72] addrconf_add_dev+0xe2/0x170 [ 6274.808936][ T72] inet6_addr_add+0x12f/0xa40 [ 6274.808936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.808936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.808936][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.808936][ T72] netlink_unicast+0x449/0x710 [ 6274.808936][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.808936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.808936][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.808936][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.808936][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.808936][ T72] [ 6274.810894][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6274.810894][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6274.810894][ T72] ipv6_find_idev+0x102/0x170 [ 6274.810894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.810894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.810894][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.810894][ T72] netlink_unicast+0x449/0x710 [ 6274.810894][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.810894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.810894][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.810894][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.810894][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.810894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.810894][ T72] [ 6274.812437][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6274.812437][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6274.812437][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6274.812437][ T72] ipv6_find_idev+0x102/0x170 [ 6274.812437][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.812437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.812437][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.812437][ T72] netlink_unicast+0x449/0x710 [ 6274.812437][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.812437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.812437][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.812437][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.812437][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.812437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.812437][ T72] [ 6274.814136][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6274.814422][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6274.814422][ T72] dst_init+0x84/0x4a0 [ 6274.814422][ T72] dst_alloc+0x97/0x150 [ 6274.814422][ T72] ip6_dst_alloc+0x23/0x90 [ 6274.814422][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6274.814422][ T72] ip6_pol_route+0x56f/0x840 [ 6274.814422][ T72] fib6_rule_lookup+0x456/0x630 [ 6274.814422][ T72] ip6_route_input+0x59c/0xa50 [ 6274.814422][ T72] ipv6_rcv+0x397/0x810 [ 6274.814422][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6274.814422][ T72] process_backlog+0x101/0x620 [ 6274.814422][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6274.814422][ T72] net_rx_action+0x495/0xbe0 [ 6274.814422][ T72] __do_softirq+0x1b5/0x7f6 [ 6274.814422][ T72] [ 6274.816075][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6274.816075][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.816075][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.816075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.816075][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6274.816075][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6274.816075][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6274.816075][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6274.816075][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6274.816075][ T72] addrconf_dad_begin+0x310/0x670 [ 6274.816075][ T72] addrconf_dad_work+0x10b/0xab0 [ 6274.816075][ T72] process_one_work+0x84d/0x18a0 [ 6274.816075][ T72] worker_thread+0x587/0xd30 [ 6274.816075][ T72] kthread+0x28a/0x350 [ 6274.816075][ T72] ret_from_fork+0x31/0x70 [ 6274.816075][ T72] ret_from_fork_asm+0x1a/0x30 [ 6274.816075][ T72] [ 6274.817988][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6274.817988][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.817988][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.817988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.817988][ T72] ip6_route_add+0x1c/0x140 [ 6274.817988][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6274.817988][ T72] inet6_addr_add+0x4f8/0xa40 [ 6274.817988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.817988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.817988][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.817988][ T72] netlink_unicast+0x449/0x710 [ 6274.817988][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.817988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.817988][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.817988][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.817988][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.817988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.817988][ T72] [ 6274.819992][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6274.819992][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.819992][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.819992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.819992][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6274.819992][ T72] ipv6_add_addr+0x411/0x2000 [ 6274.819992][ T72] inet6_addr_add+0x30e/0xa40 [ 6274.819992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.819992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.819992][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.819992][ T72] netlink_unicast+0x449/0x710 [ 6274.819992][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.819992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.819992][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.819992][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.819992][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.819992][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.819992][ T72] [ 6274.821998][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6274.821998][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.821998][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.821998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.821998][ T72] ip6_route_add+0x1c/0x140 [ 6274.821998][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6274.821998][ T72] addrconf_add_dev+0xe2/0x170 [ 6274.821998][ T72] inet6_addr_add+0x12f/0xa40 [ 6274.821998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.821998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.821998][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.821998][ T72] netlink_unicast+0x449/0x710 [ 6274.821998][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.821998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.821998][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.821998][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.821998][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.821998][ T72] [ 6274.823964][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6274.823964][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6274.823964][ T72] ipv6_find_idev+0x102/0x170 [ 6274.823964][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.823964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.823964][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.823964][ T72] netlink_unicast+0x449/0x710 [ 6274.823964][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.823964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.823964][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.823964][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.823964][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.823964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.823964][ T72] [ 6274.825494][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6274.825494][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6274.825494][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6274.825494][ T72] ipv6_find_idev+0x102/0x170 [ 6274.825494][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.825494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.825494][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.825494][ T72] netlink_unicast+0x449/0x710 [ 6274.825494][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.825494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.825494][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.825494][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.825494][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.825494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.825494][ T72] [ 6274.827227][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6274.827556][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6274.827556][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6274.827556][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6274.827556][ T72] fib6_nh_init+0xa22/0x1580 [ 6274.827556][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.827556][ T72] ip6_route_add+0x1c/0x140 [ 6274.827556][ T72] inet6_rtm_newroute+0x104/0x110 [ 6274.827556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.827556][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.827556][ T72] netlink_unicast+0x449/0x710 [ 6274.827556][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.827556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.827556][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.827556][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.827556][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.827556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.827556][ T72] [ 6274.829626][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6274.829626][ T72] dst_init+0x84/0x4a0 [ 6274.829626][ T72] dst_alloc+0x97/0x150 [ 6274.829626][ T72] ip6_dst_alloc+0x23/0x90 [ 6274.829626][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6274.829626][ T72] ip6_pol_route+0x56f/0x840 [ 6274.829626][ T72] fib6_rule_lookup+0x456/0x630 [ 6274.829626][ T72] ip6_route_input+0x59c/0xa50 [ 6274.829626][ T72] ipv6_rcv+0x397/0x810 [ 6274.829626][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6274.829626][ T72] process_backlog+0x101/0x620 [ 6274.829626][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6274.829626][ T72] net_rx_action+0x495/0xbe0 [ 6274.829626][ T72] __do_softirq+0x1b5/0x7f6 [ 6274.829626][ T72] [ 6274.831443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6274.831443][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.831443][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.831443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.831443][ T72] ip6_route_add+0x1c/0x140 [ 6274.831443][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6274.831443][ T72] inet6_addr_add+0x4f8/0xa40 [ 6274.831443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.831443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.831443][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.831443][ T72] netlink_unicast+0x449/0x710 [ 6274.831443][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.831443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.831443][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.831443][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.831443][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.831443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.831443][ T72] [ 6274.833672][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6274.833672][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.833672][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.833672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.833672][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6274.833672][ T72] ipv6_add_addr+0x411/0x2000 [ 6274.833672][ T72] inet6_addr_add+0x30e/0xa40 [ 6274.833672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.833672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.833672][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.833672][ T72] netlink_unicast+0x449/0x710 [ 6274.833672][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.833672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.833672][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.833672][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.833672][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.833672][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.833672][ T72] [ 6274.835917][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6274.835917][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.835917][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.835917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.835917][ T72] ip6_route_add+0x1c/0x140 [ 6274.835917][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6274.835917][ T72] addrconf_add_dev+0xe2/0x170 [ 6274.835917][ T72] inet6_addr_add+0x12f/0xa40 [ 6274.835917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.835917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.835917][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.835917][ T72] netlink_unicast+0x449/0x710 [ 6274.835917][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.835917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.835917][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.835917][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.835917][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.835917][ T72] [ 6274.838184][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6274.838184][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6274.838184][ T72] ipv6_find_idev+0x102/0x170 [ 6274.838184][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.838184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.838184][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.838184][ T72] netlink_unicast+0x449/0x710 [ 6274.838184][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.838184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.838184][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.838184][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.838184][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.838184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.838184][ T72] [ 6274.839926][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6274.839926][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6274.839926][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6274.839926][ T72] ipv6_find_idev+0x102/0x170 [ 6274.839926][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.839926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.839926][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.839926][ T72] netlink_unicast+0x449/0x710 [ 6274.839926][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.839926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.839926][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.839926][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.839926][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.839926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.839926][ T72] [ 6274.841743][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6274.842093][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6274.842093][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.842093][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.842093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.842093][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6274.842093][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6274.842093][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6274.842093][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6274.842093][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6274.842093][ T72] addrconf_dad_begin+0x310/0x670 [ 6274.842093][ T72] addrconf_dad_work+0x10b/0xab0 [ 6274.842093][ T72] process_one_work+0x84d/0x18a0 [ 6274.842093][ T72] worker_thread+0x587/0xd30 [ 6274.842093][ T72] kthread+0x28a/0x350 [ 6274.842093][ T72] ret_from_fork+0x31/0x70 [ 6274.842093][ T72] ret_from_fork_asm+0x1a/0x30 [ 6274.842093][ T72] [ 6274.844180][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6274.844180][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.844180][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.844180][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.844180][ T72] ip6_route_add+0x1c/0x140 [ 6274.844180][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6274.844180][ T72] inet6_addr_add+0x4f8/0xa40 [ 6274.844180][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.844180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.844180][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.844180][ T72] netlink_unicast+0x449/0x710 [ 6274.844180][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.844180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.844180][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.844180][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.844180][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.844180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.844180][ T72] [ 6274.846407][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6274.846407][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.846407][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.846407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.846407][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6274.846407][ T72] ipv6_add_addr+0x411/0x2000 [ 6274.846407][ T72] inet6_addr_add+0x30e/0xa40 [ 6274.846407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.846407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.846407][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.846407][ T72] netlink_unicast+0x449/0x710 [ 6274.846407][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.846407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.846407][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.846407][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.846407][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.846407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.846407][ T72] [ 6274.849236][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6274.849236][ T72] netdev_get_by_index+0x5e/0x80 [ 6274.849236][ T72] fib6_nh_init+0x3d8/0x1580 [ 6274.849236][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6274.849236][ T72] ip6_route_add+0x1c/0x140 [ 6274.849236][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6274.849236][ T72] addrconf_add_dev+0xe2/0x170 [ 6274.849236][ T72] inet6_addr_add+0x12f/0xa40 [ 6274.849236][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6274.849236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.849236][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.849236][ T72] netlink_unicast+0x449/0x710 [ 6274.849236][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.849236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.849236][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.849236][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.849236][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.849236][ T72] [ 6274.851435][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6274.851435][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6274.851435][ T72] ipv6_find_idev+0x102/0x170 [ 6274.851435][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.851435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.851435][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.851435][ T72] netlink_unicast+0x449/0x710 [ 6274.851435][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.851435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.851435][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.851435][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.851435][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.851435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.851435][ T72] [ 6274.853094][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6274.853094][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6274.853094][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6274.853094][ T72] ipv6_find_idev+0x102/0x170 [ 6274.853094][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6274.853094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6274.853094][ T72] netlink_rcv_skb+0x130/0x360 [ 6274.853094][ T72] netlink_unicast+0x449/0x710 [ 6274.853094][ T72] netlink_sendmsg+0x723/0xbe0 [ 6274.853094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6274.853094][ T72] ___sys_sendmsg+0xee/0x170 [ 6274.853094][ T72] __sys_sendmsg+0xcd/0x170 [ 6274.853094][ T72] do_syscall_64+0xc6/0x1e0 [ 6274.853094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6274.853094][ T72] [ 6285.096931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6285.097366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6285.097366][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6285.097366][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6285.097366][ T72] fib6_nh_init+0xa22/0x1580 [ 6285.097366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.097366][ T72] ip6_route_add+0x1c/0x140 [ 6285.097366][ T72] inet6_rtm_newroute+0x104/0x110 [ 6285.097366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.097366][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.097366][ T72] netlink_unicast+0x449/0x710 [ 6285.097366][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.097366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.097366][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.097366][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.097366][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.097366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.097366][ T72] [ 6285.127740][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6285.127740][ T72] dst_init+0x84/0x4a0 [ 6285.127740][ T72] dst_alloc+0x97/0x150 [ 6285.127740][ T72] ip6_dst_alloc+0x23/0x90 [ 6285.127740][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6285.127740][ T72] ip6_pol_route+0x56f/0x840 [ 6285.127740][ T72] fib6_rule_lookup+0x456/0x630 [ 6285.127740][ T72] ip6_route_input+0x59c/0xa50 [ 6285.127740][ T72] ipv6_rcv+0x397/0x810 [ 6285.127740][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6285.127740][ T72] process_backlog+0x101/0x620 [ 6285.127740][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6285.127740][ T72] net_rx_action+0x495/0xbe0 [ 6285.127740][ T72] __do_softirq+0x1b5/0x7f6 [ 6285.127740][ T72] [ 6285.129397][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6285.129397][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.129397][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.129397][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.129397][ T72] ip6_route_add+0x1c/0x140 [ 6285.129397][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6285.129397][ T72] inet6_addr_add+0x4f8/0xa40 [ 6285.129397][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.129397][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.129397][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.129397][ T72] netlink_unicast+0x449/0x710 [ 6285.129397][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.129397][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.129397][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.129397][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.129397][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.129397][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.129397][ T72] [ 6285.131392][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6285.131392][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.131392][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.131392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.131392][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6285.131392][ T72] ipv6_add_addr+0x411/0x2000 [ 6285.131392][ T72] inet6_addr_add+0x30e/0xa40 [ 6285.131392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.131392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.131392][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.131392][ T72] netlink_unicast+0x449/0x710 [ 6285.131392][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.131392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.131392][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.131392][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.131392][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.131392][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.131392][ T72] [ 6285.133376][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6285.133376][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.133376][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.133376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.133376][ T72] ip6_route_add+0x1c/0x140 [ 6285.133376][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6285.133376][ T72] addrconf_add_dev+0xe2/0x170 [ 6285.133376][ T72] inet6_addr_add+0x12f/0xa40 [ 6285.133376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.133376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.133376][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.133376][ T72] netlink_unicast+0x449/0x710 [ 6285.133376][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.133376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.133376][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.133376][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.133376][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.133376][ T72] [ 6285.135324][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6285.135324][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6285.135324][ T72] ipv6_find_idev+0x102/0x170 [ 6285.135324][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.135324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.135324][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.135324][ T72] netlink_unicast+0x449/0x710 [ 6285.135324][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.135324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.135324][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.135324][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.135324][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.135324][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.135324][ T72] [ 6285.136850][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6285.136850][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6285.136850][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6285.136850][ T72] ipv6_find_idev+0x102/0x170 [ 6285.136850][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.136850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.136850][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.136850][ T72] netlink_unicast+0x449/0x710 [ 6285.136850][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.136850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.136850][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.136850][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.136850][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.136850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.136850][ T72] [ 6285.138563][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6285.138844][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6285.138844][ T72] dst_init+0x84/0x4a0 [ 6285.138844][ T72] dst_alloc+0x97/0x150 [ 6285.138844][ T72] ip6_dst_alloc+0x23/0x90 [ 6285.138844][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6285.138844][ T72] ip6_pol_route+0x56f/0x840 [ 6285.138844][ T72] fib6_rule_lookup+0x456/0x630 [ 6285.138844][ T72] ip6_route_input+0x59c/0xa50 [ 6285.138844][ T72] ipv6_rcv+0x397/0x810 [ 6285.138844][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6285.138844][ T72] process_backlog+0x101/0x620 [ 6285.138844][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6285.138844][ T72] net_rx_action+0x495/0xbe0 [ 6285.138844][ T72] __do_softirq+0x1b5/0x7f6 [ 6285.138844][ T72] [ 6285.140483][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6285.140483][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.140483][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.140483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.140483][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6285.140483][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6285.140483][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6285.140483][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6285.140483][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6285.140483][ T72] addrconf_dad_begin+0x310/0x670 [ 6285.140483][ T72] addrconf_dad_work+0x10b/0xab0 [ 6285.140483][ T72] process_one_work+0x84d/0x18a0 [ 6285.140483][ T72] worker_thread+0x587/0xd30 [ 6285.140483][ T72] kthread+0x28a/0x350 [ 6285.140483][ T72] ret_from_fork+0x31/0x70 [ 6285.140483][ T72] ret_from_fork_asm+0x1a/0x30 [ 6285.140483][ T72] [ 6285.142377][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6285.142377][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.142377][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.142377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.142377][ T72] ip6_route_add+0x1c/0x140 [ 6285.142377][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6285.142377][ T72] inet6_addr_add+0x4f8/0xa40 [ 6285.142377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.142377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.142377][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.142377][ T72] netlink_unicast+0x449/0x710 [ 6285.142377][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.142377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.142377][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.142377][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.142377][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.142377][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.142377][ T72] [ 6285.144370][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6285.144370][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.144370][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.144370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.144370][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6285.144370][ T72] ipv6_add_addr+0x411/0x2000 [ 6285.144370][ T72] inet6_addr_add+0x30e/0xa40 [ 6285.144370][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.144370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.144370][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.144370][ T72] netlink_unicast+0x449/0x710 [ 6285.144370][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.144370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.144370][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.144370][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.144370][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.144370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.144370][ T72] [ 6285.146351][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6285.146351][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.146351][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.146351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.146351][ T72] ip6_route_add+0x1c/0x140 [ 6285.146351][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6285.146351][ T72] addrconf_add_dev+0xe2/0x170 [ 6285.146351][ T72] inet6_addr_add+0x12f/0xa40 [ 6285.146351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.146351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.146351][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.146351][ T72] netlink_unicast+0x449/0x710 [ 6285.146351][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.146351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.146351][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.146351][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.146351][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.146351][ T72] [ 6285.148295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6285.148295][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6285.148295][ T72] ipv6_find_idev+0x102/0x170 [ 6285.148295][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.148295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.148295][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.148295][ T72] netlink_unicast+0x449/0x710 [ 6285.148295][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.148295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.148295][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.148295][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.148295][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.148295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.148295][ T72] [ 6285.149829][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6285.149829][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6285.149829][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6285.149829][ T72] ipv6_find_idev+0x102/0x170 [ 6285.149829][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.149829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.149829][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.149829][ T72] netlink_unicast+0x449/0x710 [ 6285.149829][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.149829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.149829][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.149829][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.149829][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.149829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.149829][ T72] [ 6285.151615][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6285.151894][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6285.151894][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6285.151894][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6285.151894][ T72] fib6_nh_init+0xa22/0x1580 [ 6285.151894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.151894][ T72] ip6_route_add+0x1c/0x140 [ 6285.151894][ T72] inet6_rtm_newroute+0x104/0x110 [ 6285.151894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.151894][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.151894][ T72] netlink_unicast+0x449/0x710 [ 6285.151894][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.151894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.151894][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.151894][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.151894][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.151894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.151894][ T72] [ 6285.154015][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6285.154015][ T72] dst_init+0x84/0x4a0 [ 6285.154015][ T72] dst_alloc+0x97/0x150 [ 6285.154015][ T72] ip6_dst_alloc+0x23/0x90 [ 6285.154015][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6285.154015][ T72] ip6_pol_route+0x56f/0x840 [ 6285.154015][ T72] fib6_rule_lookup+0x456/0x630 [ 6285.154015][ T72] ip6_route_input+0x59c/0xa50 [ 6285.154015][ T72] ipv6_rcv+0x397/0x810 [ 6285.154015][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6285.154015][ T72] process_backlog+0x101/0x620 [ 6285.154015][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6285.154015][ T72] net_rx_action+0x495/0xbe0 [ 6285.154015][ T72] __do_softirq+0x1b5/0x7f6 [ 6285.154015][ T72] [ 6285.155817][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6285.155817][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.155817][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.155817][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.155817][ T72] ip6_route_add+0x1c/0x140 [ 6285.155817][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6285.155817][ T72] inet6_addr_add+0x4f8/0xa40 [ 6285.155817][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.155817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.155817][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.155817][ T72] netlink_unicast+0x449/0x710 [ 6285.155817][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.155817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.155817][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.155817][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.155817][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.155817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.155817][ T72] [ 6285.157923][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6285.157923][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.157923][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.157923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.157923][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6285.157923][ T72] ipv6_add_addr+0x411/0x2000 [ 6285.157923][ T72] inet6_addr_add+0x30e/0xa40 [ 6285.157923][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.157923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.157923][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.157923][ T72] netlink_unicast+0x449/0x710 [ 6285.157923][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.157923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.157923][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.157923][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.157923][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.157923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.157923][ T72] [ 6285.160162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6285.160162][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.160162][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.160162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.160162][ T72] ip6_route_add+0x1c/0x140 [ 6285.160162][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6285.160162][ T72] addrconf_add_dev+0xe2/0x170 [ 6285.160162][ T72] inet6_addr_add+0x12f/0xa40 [ 6285.160162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.160162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.160162][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.160162][ T72] netlink_unicast+0x449/0x710 [ 6285.160162][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.160162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.160162][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.160162][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.160162][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.160162][ T72] [ 6285.162414][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6285.162414][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6285.162414][ T72] ipv6_find_idev+0x102/0x170 [ 6285.162414][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.162414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.162414][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.162414][ T72] netlink_unicast+0x449/0x710 [ 6285.162414][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.162414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.162414][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.162414][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.162414][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.162414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.162414][ T72] [ 6285.164131][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6285.164131][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6285.164131][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6285.164131][ T72] ipv6_find_idev+0x102/0x170 [ 6285.164131][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.164131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.164131][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.164131][ T72] netlink_unicast+0x449/0x710 [ 6285.164131][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.164131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.164131][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.164131][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.164131][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.164131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.164131][ T72] [ 6285.165917][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6285.166246][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6285.166246][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.166246][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.166246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.166246][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6285.166246][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6285.166246][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6285.166246][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6285.166246][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6285.166246][ T72] addrconf_dad_begin+0x310/0x670 [ 6285.166246][ T72] addrconf_dad_work+0x10b/0xab0 [ 6285.166246][ T72] process_one_work+0x84d/0x18a0 [ 6285.166246][ T72] worker_thread+0x587/0xd30 [ 6285.166246][ T72] kthread+0x28a/0x350 [ 6285.166246][ T72] ret_from_fork+0x31/0x70 [ 6285.166246][ T72] ret_from_fork_asm+0x1a/0x30 [ 6285.166246][ T72] [ 6285.168336][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6285.168336][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.168336][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.168336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.168336][ T72] ip6_route_add+0x1c/0x140 [ 6285.168336][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6285.168336][ T72] inet6_addr_add+0x4f8/0xa40 [ 6285.168336][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.168336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.168336][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.168336][ T72] netlink_unicast+0x449/0x710 [ 6285.168336][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.168336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.168336][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.168336][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.168336][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.168336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.168336][ T72] [ 6285.170565][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6285.170565][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.170565][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.170565][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.170565][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6285.170565][ T72] ipv6_add_addr+0x411/0x2000 [ 6285.170565][ T72] inet6_addr_add+0x30e/0xa40 [ 6285.170565][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.170565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.170565][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.170565][ T72] netlink_unicast+0x449/0x710 [ 6285.170565][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.170565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.170565][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.170565][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.170565][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.170565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.170565][ T72] [ 6285.172857][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6285.172857][ T72] netdev_get_by_index+0x5e/0x80 [ 6285.172857][ T72] fib6_nh_init+0x3d8/0x1580 [ 6285.172857][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6285.172857][ T72] ip6_route_add+0x1c/0x140 [ 6285.172857][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6285.172857][ T72] addrconf_add_dev+0xe2/0x170 [ 6285.172857][ T72] inet6_addr_add+0x12f/0xa40 [ 6285.172857][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.172857][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.172857][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.172857][ T72] netlink_unicast+0x449/0x710 [ 6285.172857][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.172857][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.172857][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.172857][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.172857][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.172857][ T72] [ 6285.175049][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6285.175049][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6285.175049][ T72] ipv6_find_idev+0x102/0x170 [ 6285.175049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.175049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.175049][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.175049][ T72] netlink_unicast+0x449/0x710 [ 6285.175049][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.175049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.175049][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.175049][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.175049][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.175049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.175049][ T72] [ 6285.176761][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6285.176761][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6285.176761][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6285.176761][ T72] ipv6_find_idev+0x102/0x170 [ 6285.176761][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.176761][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.176761][ T72] netlink_rcv_skb+0x130/0x360 [ 6285.176761][ T72] netlink_unicast+0x449/0x710 [ 6285.176761][ T72] netlink_sendmsg+0x723/0xbe0 [ 6285.176761][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6285.176761][ T72] ___sys_sendmsg+0xee/0x170 [ 6285.176761][ T72] __sys_sendmsg+0xcd/0x170 [ 6285.176761][ T72] do_syscall_64+0xc6/0x1e0 [ 6285.176761][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.176761][ T72] [ 6295.352968][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6295.353496][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6295.353496][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6295.353496][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6295.353496][ T72] fib6_nh_init+0xa22/0x1580 [ 6295.353496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.353496][ T72] ip6_route_add+0x1c/0x140 [ 6295.353496][ T72] inet6_rtm_newroute+0x104/0x110 [ 6295.353496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.353496][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.353496][ T72] netlink_unicast+0x449/0x710 [ 6295.353496][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.353496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.353496][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.353496][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.353496][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.353496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.353496][ T72] [ 6295.355393][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6295.355393][ T72] dst_init+0x84/0x4a0 [ 6295.355393][ T72] dst_alloc+0x97/0x150 [ 6295.355393][ T72] ip6_dst_alloc+0x23/0x90 [ 6295.355393][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6295.355393][ T72] ip6_pol_route+0x56f/0x840 [ 6295.355393][ T72] fib6_rule_lookup+0x456/0x630 [ 6295.355393][ T72] ip6_route_input+0x59c/0xa50 [ 6295.355393][ T72] ipv6_rcv+0x397/0x810 [ 6295.355393][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6295.355393][ T72] process_backlog+0x101/0x620 [ 6295.355393][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6295.355393][ T72] net_rx_action+0x495/0xbe0 [ 6295.355393][ T72] __do_softirq+0x1b5/0x7f6 [ 6295.355393][ T72] [ 6295.357028][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6295.357028][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.357028][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.357028][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.357028][ T72] ip6_route_add+0x1c/0x140 [ 6295.357028][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6295.357028][ T72] inet6_addr_add+0x4f8/0xa40 [ 6295.357028][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.357028][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.357028][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.357028][ T72] netlink_unicast+0x449/0x710 [ 6295.357028][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.357028][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.357028][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.357028][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.357028][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.357028][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.357028][ T72] [ 6295.359039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6295.359039][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.359039][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.359039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.359039][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6295.359039][ T72] ipv6_add_addr+0x411/0x2000 [ 6295.359039][ T72] inet6_addr_add+0x30e/0xa40 [ 6295.359039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.359039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.359039][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.359039][ T72] netlink_unicast+0x449/0x710 [ 6295.359039][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.359039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.359039][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.359039][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.359039][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.359039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.359039][ T72] [ 6295.361027][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6295.361027][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.361027][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.361027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.361027][ T72] ip6_route_add+0x1c/0x140 [ 6295.361027][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6295.361027][ T72] addrconf_add_dev+0xe2/0x170 [ 6295.361027][ T72] inet6_addr_add+0x12f/0xa40 [ 6295.361027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.361027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.361027][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.361027][ T72] netlink_unicast+0x449/0x710 [ 6295.361027][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.361027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.361027][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.361027][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.361027][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.361027][ T72] [ 6295.362984][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6295.362984][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6295.362984][ T72] ipv6_find_idev+0x102/0x170 [ 6295.362984][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.362984][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.362984][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.362984][ T72] netlink_unicast+0x449/0x710 [ 6295.362984][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.362984][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.362984][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.362984][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.362984][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.362984][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.362984][ T72] [ 6295.364513][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6295.364513][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6295.364513][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6295.364513][ T72] ipv6_find_idev+0x102/0x170 [ 6295.364513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.364513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.364513][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.364513][ T72] netlink_unicast+0x449/0x710 [ 6295.364513][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.364513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.364513][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.364513][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.364513][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.364513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.364513][ T72] [ 6295.366191][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6295.366480][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6295.366480][ T72] dst_init+0x84/0x4a0 [ 6295.366480][ T72] dst_alloc+0x97/0x150 [ 6295.366480][ T72] ip6_dst_alloc+0x23/0x90 [ 6295.366480][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6295.366480][ T72] ip6_pol_route+0x56f/0x840 [ 6295.366480][ T72] fib6_rule_lookup+0x456/0x630 [ 6295.366480][ T72] ip6_route_input+0x59c/0xa50 [ 6295.366480][ T72] ipv6_rcv+0x397/0x810 [ 6295.366480][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6295.366480][ T72] process_backlog+0x101/0x620 [ 6295.366480][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6295.366480][ T72] net_rx_action+0x495/0xbe0 [ 6295.366480][ T72] __do_softirq+0x1b5/0x7f6 [ 6295.366480][ T72] [ 6295.368111][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6295.368111][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.368111][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.368111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.368111][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6295.368111][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6295.368111][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6295.368111][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6295.368111][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6295.368111][ T72] addrconf_dad_begin+0x310/0x670 [ 6295.368111][ T72] addrconf_dad_work+0x10b/0xab0 [ 6295.368111][ T72] process_one_work+0x84d/0x18a0 [ 6295.368111][ T72] worker_thread+0x587/0xd30 [ 6295.368111][ T72] kthread+0x28a/0x350 [ 6295.368111][ T72] ret_from_fork+0x31/0x70 [ 6295.368111][ T72] ret_from_fork_asm+0x1a/0x30 [ 6295.368111][ T72] [ 6295.370557][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6295.370557][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.370557][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.370557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.370557][ T72] ip6_route_add+0x1c/0x140 [ 6295.370557][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6295.370557][ T72] inet6_addr_add+0x4f8/0xa40 [ 6295.370557][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.370557][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.370557][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.370557][ T72] netlink_unicast+0x449/0x710 [ 6295.370557][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.370557][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.370557][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.370557][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.370557][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.370557][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.370557][ T72] [ 6295.372535][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6295.372535][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.372535][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.372535][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.372535][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6295.372535][ T72] ipv6_add_addr+0x411/0x2000 [ 6295.372535][ T72] inet6_addr_add+0x30e/0xa40 [ 6295.372535][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.372535][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.372535][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.372535][ T72] netlink_unicast+0x449/0x710 [ 6295.372535][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.372535][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.372535][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.372535][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.372535][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.372535][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.372535][ T72] [ 6295.374516][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6295.374516][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.374516][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.374516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.374516][ T72] ip6_route_add+0x1c/0x140 [ 6295.374516][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6295.374516][ T72] addrconf_add_dev+0xe2/0x170 [ 6295.374516][ T72] inet6_addr_add+0x12f/0xa40 [ 6295.374516][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.374516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.374516][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.374516][ T72] netlink_unicast+0x449/0x710 [ 6295.374516][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.374516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.374516][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.374516][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.374516][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.374516][ T72] [ 6295.405489][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6295.405489][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6295.405489][ T72] ipv6_find_idev+0x102/0x170 [ 6295.405489][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.405489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.405489][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.405489][ T72] netlink_unicast+0x449/0x710 [ 6295.405489][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.405489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.405489][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.405489][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.405489][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.405489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.405489][ T72] [ 6295.407022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6295.407022][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6295.407022][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6295.407022][ T72] ipv6_find_idev+0x102/0x170 [ 6295.407022][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.407022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.407022][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.407022][ T72] netlink_unicast+0x449/0x710 [ 6295.407022][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.407022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.407022][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.407022][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.407022][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.407022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.407022][ T72] [ 6295.408810][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6295.409092][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6295.409092][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6295.409092][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6295.409092][ T72] fib6_nh_init+0xa22/0x1580 [ 6295.409092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.409092][ T72] ip6_route_add+0x1c/0x140 [ 6295.409092][ T72] inet6_rtm_newroute+0x104/0x110 [ 6295.409092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.409092][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.409092][ T72] netlink_unicast+0x449/0x710 [ 6295.409092][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.409092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.409092][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.409092][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.409092][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.409092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.409092][ T72] [ 6295.411275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6295.411275][ T72] dst_init+0x84/0x4a0 [ 6295.411275][ T72] dst_alloc+0x97/0x150 [ 6295.411275][ T72] ip6_dst_alloc+0x23/0x90 [ 6295.411275][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6295.411275][ T72] ip6_pol_route+0x56f/0x840 [ 6295.411275][ T72] fib6_rule_lookup+0x456/0x630 [ 6295.411275][ T72] ip6_route_input+0x59c/0xa50 [ 6295.411275][ T72] ipv6_rcv+0x397/0x810 [ 6295.411275][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6295.411275][ T72] process_backlog+0x101/0x620 [ 6295.411275][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6295.411275][ T72] net_rx_action+0x495/0xbe0 [ 6295.411275][ T72] __do_softirq+0x1b5/0x7f6 [ 6295.411275][ T72] [ 6295.413074][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6295.413074][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.413074][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.413074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.413074][ T72] ip6_route_add+0x1c/0x140 [ 6295.413074][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6295.413074][ T72] inet6_addr_add+0x4f8/0xa40 [ 6295.413074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.413074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.413074][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.413074][ T72] netlink_unicast+0x449/0x710 [ 6295.413074][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.413074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.413074][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.413074][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.413074][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.413074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.413074][ T72] [ 6295.415235][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6295.415235][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.415235][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.415235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.415235][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6295.415235][ T72] ipv6_add_addr+0x411/0x2000 [ 6295.415235][ T72] inet6_addr_add+0x30e/0xa40 [ 6295.415235][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.415235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.415235][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.415235][ T72] netlink_unicast+0x449/0x710 [ 6295.415235][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.415235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.415235][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.415235][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.415235][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.415235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.415235][ T72] [ 6295.417451][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6295.417451][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.417451][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.417451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.417451][ T72] ip6_route_add+0x1c/0x140 [ 6295.417451][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6295.417451][ T72] addrconf_add_dev+0xe2/0x170 [ 6295.417451][ T72] inet6_addr_add+0x12f/0xa40 [ 6295.417451][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.417451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.417451][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.417451][ T72] netlink_unicast+0x449/0x710 [ 6295.417451][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.417451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.417451][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.417451][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.417451][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.417451][ T72] [ 6295.419708][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6295.419708][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6295.419708][ T72] ipv6_find_idev+0x102/0x170 [ 6295.419708][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.419708][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.419708][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.419708][ T72] netlink_unicast+0x449/0x710 [ 6295.419708][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.419708][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.419708][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.419708][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.419708][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.419708][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.419708][ T72] [ 6295.421420][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6295.421420][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6295.421420][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6295.421420][ T72] ipv6_find_idev+0x102/0x170 [ 6295.421420][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.421420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.421420][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.421420][ T72] netlink_unicast+0x449/0x710 [ 6295.421420][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.421420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.421420][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.421420][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.421420][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.421420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.421420][ T72] [ 6295.423276][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6295.423606][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6295.423606][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.423606][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.423606][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.423606][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6295.423606][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6295.423606][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6295.423606][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6295.423606][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6295.423606][ T72] addrconf_dad_begin+0x310/0x670 [ 6295.423606][ T72] addrconf_dad_work+0x10b/0xab0 [ 6295.423606][ T72] process_one_work+0x84d/0x18a0 [ 6295.423606][ T72] worker_thread+0x587/0xd30 [ 6295.423606][ T72] kthread+0x28a/0x350 [ 6295.423606][ T72] ret_from_fork+0x31/0x70 [ 6295.423606][ T72] ret_from_fork_asm+0x1a/0x30 [ 6295.423606][ T72] [ 6295.425686][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6295.425686][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.425686][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.425686][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.425686][ T72] ip6_route_add+0x1c/0x140 [ 6295.425686][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6295.425686][ T72] inet6_addr_add+0x4f8/0xa40 [ 6295.425686][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.425686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.425686][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.425686][ T72] netlink_unicast+0x449/0x710 [ 6295.425686][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.425686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.425686][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.425686][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.425686][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.425686][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.425686][ T72] [ 6295.427908][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6295.427908][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.427908][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.427908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.427908][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6295.427908][ T72] ipv6_add_addr+0x411/0x2000 [ 6295.427908][ T72] inet6_addr_add+0x30e/0xa40 [ 6295.427908][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.427908][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.427908][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.427908][ T72] netlink_unicast+0x449/0x710 [ 6295.427908][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.427908][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.427908][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.427908][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.427908][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.427908][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.427908][ T72] [ 6295.430210][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6295.430210][ T72] netdev_get_by_index+0x5e/0x80 [ 6295.430210][ T72] fib6_nh_init+0x3d8/0x1580 [ 6295.430210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6295.430210][ T72] ip6_route_add+0x1c/0x140 [ 6295.430210][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6295.430210][ T72] addrconf_add_dev+0xe2/0x170 [ 6295.430210][ T72] inet6_addr_add+0x12f/0xa40 [ 6295.430210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.430210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.430210][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.430210][ T72] netlink_unicast+0x449/0x710 [ 6295.430210][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.430210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.430210][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.430210][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.430210][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.430210][ T72] [ 6295.432414][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6295.432414][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6295.432414][ T72] ipv6_find_idev+0x102/0x170 [ 6295.432414][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.432414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.432414][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.432414][ T72] netlink_unicast+0x449/0x710 [ 6295.432414][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.432414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.432414][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.432414][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.432414][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.432414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.432414][ T72] [ 6295.434124][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6295.434124][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6295.434124][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6295.434124][ T72] ipv6_find_idev+0x102/0x170 [ 6295.434124][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.434124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.434124][ T72] netlink_rcv_skb+0x130/0x360 [ 6295.434124][ T72] netlink_unicast+0x449/0x710 [ 6295.434124][ T72] netlink_sendmsg+0x723/0xbe0 [ 6295.434124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6295.434124][ T72] ___sys_sendmsg+0xee/0x170 [ 6295.434124][ T72] __sys_sendmsg+0xcd/0x170 [ 6295.434124][ T72] do_syscall_64+0xc6/0x1e0 [ 6295.434124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.434124][ T72] [ 6305.688961][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6305.689388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6305.689388][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6305.689388][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6305.689388][ T72] fib6_nh_init+0xa22/0x1580 [ 6305.689388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.689388][ T72] ip6_route_add+0x1c/0x140 [ 6305.689388][ T72] inet6_rtm_newroute+0x104/0x110 [ 6305.689388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.689388][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.689388][ T72] netlink_unicast+0x449/0x710 [ 6305.689388][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.689388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.689388][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.689388][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.689388][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.689388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.689388][ T72] [ 6305.691282][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6305.691282][ T72] dst_init+0x84/0x4a0 [ 6305.691282][ T72] dst_alloc+0x97/0x150 [ 6305.691282][ T72] ip6_dst_alloc+0x23/0x90 [ 6305.691282][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6305.691282][ T72] ip6_pol_route+0x56f/0x840 [ 6305.691282][ T72] fib6_rule_lookup+0x456/0x630 [ 6305.691282][ T72] ip6_route_input+0x59c/0xa50 [ 6305.691282][ T72] ipv6_rcv+0x397/0x810 [ 6305.691282][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6305.691282][ T72] process_backlog+0x101/0x620 [ 6305.691282][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6305.691282][ T72] net_rx_action+0x495/0xbe0 [ 6305.691282][ T72] __do_softirq+0x1b5/0x7f6 [ 6305.691282][ T72] [ 6305.692913][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6305.692913][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.692913][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.692913][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.692913][ T72] ip6_route_add+0x1c/0x140 [ 6305.692913][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6305.692913][ T72] inet6_addr_add+0x4f8/0xa40 [ 6305.692913][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.692913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.692913][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.692913][ T72] netlink_unicast+0x449/0x710 [ 6305.692913][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.692913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.692913][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.692913][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.692913][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.692913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.692913][ T72] [ 6305.694896][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6305.694896][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.694896][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.694896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.694896][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6305.694896][ T72] ipv6_add_addr+0x411/0x2000 [ 6305.694896][ T72] inet6_addr_add+0x30e/0xa40 [ 6305.694896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.694896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.694896][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.694896][ T72] netlink_unicast+0x449/0x710 [ 6305.694896][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.694896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.694896][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.694896][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.694896][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.694896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.694896][ T72] [ 6305.696880][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6305.696880][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.696880][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.696880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.696880][ T72] ip6_route_add+0x1c/0x140 [ 6305.696880][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6305.696880][ T72] addrconf_add_dev+0xe2/0x170 [ 6305.696880][ T72] inet6_addr_add+0x12f/0xa40 [ 6305.696880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.696880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.696880][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.696880][ T72] netlink_unicast+0x449/0x710 [ 6305.696880][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.696880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.696880][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.696880][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.696880][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.696880][ T72] [ 6305.698843][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6305.698843][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6305.698843][ T72] ipv6_find_idev+0x102/0x170 [ 6305.698843][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.698843][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.698843][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.698843][ T72] netlink_unicast+0x449/0x710 [ 6305.698843][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.698843][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.698843][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.698843][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.698843][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.698843][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.698843][ T72] [ 6305.700385][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6305.700385][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6305.700385][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6305.700385][ T72] ipv6_find_idev+0x102/0x170 [ 6305.700385][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.700385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.700385][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.700385][ T72] netlink_unicast+0x449/0x710 [ 6305.700385][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.700385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.700385][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.700385][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.700385][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.700385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.700385][ T72] [ 6305.702074][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6305.702340][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6305.702340][ T72] dst_init+0x84/0x4a0 [ 6305.702340][ T72] dst_alloc+0x97/0x150 [ 6305.702340][ T72] ip6_dst_alloc+0x23/0x90 [ 6305.702340][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6305.702340][ T72] ip6_pol_route+0x56f/0x840 [ 6305.702340][ T72] fib6_rule_lookup+0x456/0x630 [ 6305.702340][ T72] ip6_route_input+0x59c/0xa50 [ 6305.702340][ T72] ipv6_rcv+0x397/0x810 [ 6305.702340][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6305.702340][ T72] process_backlog+0x101/0x620 [ 6305.702340][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6305.702340][ T72] net_rx_action+0x495/0xbe0 [ 6305.702340][ T72] __do_softirq+0x1b5/0x7f6 [ 6305.702340][ T72] [ 6305.703979][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6305.703979][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.703979][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.703979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.703979][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6305.703979][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6305.703979][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6305.703979][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6305.703979][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6305.703979][ T72] addrconf_dad_begin+0x310/0x670 [ 6305.703979][ T72] addrconf_dad_work+0x10b/0xab0 [ 6305.703979][ T72] process_one_work+0x84d/0x18a0 [ 6305.703979][ T72] worker_thread+0x587/0xd30 [ 6305.703979][ T72] kthread+0x28a/0x350 [ 6305.703979][ T72] ret_from_fork+0x31/0x70 [ 6305.703979][ T72] ret_from_fork_asm+0x1a/0x30 [ 6305.703979][ T72] [ 6305.705873][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6305.705873][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.705873][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.705873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.705873][ T72] ip6_route_add+0x1c/0x140 [ 6305.705873][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6305.705873][ T72] inet6_addr_add+0x4f8/0xa40 [ 6305.705873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.705873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.705873][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.705873][ T72] netlink_unicast+0x449/0x710 [ 6305.705873][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.705873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.705873][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.705873][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.705873][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.705873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.705873][ T72] [ 6305.707859][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6305.707859][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.707859][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.707859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.707859][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6305.707859][ T72] ipv6_add_addr+0x411/0x2000 [ 6305.707859][ T72] inet6_addr_add+0x30e/0xa40 [ 6305.707859][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.707859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.707859][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.707859][ T72] netlink_unicast+0x449/0x710 [ 6305.707859][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.707859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.707859][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.707859][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.707859][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.707859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.707859][ T72] [ 6305.737664][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6305.737664][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.737664][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.737664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.737664][ T72] ip6_route_add+0x1c/0x140 [ 6305.737664][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6305.737664][ T72] addrconf_add_dev+0xe2/0x170 [ 6305.737664][ T72] inet6_addr_add+0x12f/0xa40 [ 6305.737664][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.737664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.737664][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.737664][ T72] netlink_unicast+0x449/0x710 [ 6305.737664][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.737664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.737664][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.737664][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.737664][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.737664][ T72] [ 6305.739620][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6305.739620][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6305.739620][ T72] ipv6_find_idev+0x102/0x170 [ 6305.739620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.739620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.739620][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.739620][ T72] netlink_unicast+0x449/0x710 [ 6305.739620][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.739620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.739620][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.739620][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.739620][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.739620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.739620][ T72] [ 6305.741152][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6305.741152][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6305.741152][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6305.741152][ T72] ipv6_find_idev+0x102/0x170 [ 6305.741152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.741152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.741152][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.741152][ T72] netlink_unicast+0x449/0x710 [ 6305.741152][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.741152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.741152][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.741152][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.741152][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.741152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.741152][ T72] [ 6305.742963][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6305.743235][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6305.743235][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6305.743235][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6305.743235][ T72] fib6_nh_init+0xa22/0x1580 [ 6305.743235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.743235][ T72] ip6_route_add+0x1c/0x140 [ 6305.743235][ T72] inet6_rtm_newroute+0x104/0x110 [ 6305.743235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.743235][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.743235][ T72] netlink_unicast+0x449/0x710 [ 6305.743235][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.743235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.743235][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.743235][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.743235][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.743235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.743235][ T72] [ 6305.745402][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6305.745402][ T72] dst_init+0x84/0x4a0 [ 6305.745402][ T72] dst_alloc+0x97/0x150 [ 6305.745402][ T72] ip6_dst_alloc+0x23/0x90 [ 6305.745402][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6305.745402][ T72] ip6_pol_route+0x56f/0x840 [ 6305.745402][ T72] fib6_rule_lookup+0x456/0x630 [ 6305.745402][ T72] ip6_route_input+0x59c/0xa50 [ 6305.745402][ T72] ipv6_rcv+0x397/0x810 [ 6305.745402][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6305.745402][ T72] process_backlog+0x101/0x620 [ 6305.745402][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6305.745402][ T72] net_rx_action+0x495/0xbe0 [ 6305.745402][ T72] __do_softirq+0x1b5/0x7f6 [ 6305.745402][ T72] [ 6305.747206][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6305.747206][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.747206][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.747206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.747206][ T72] ip6_route_add+0x1c/0x140 [ 6305.747206][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6305.747206][ T72] inet6_addr_add+0x4f8/0xa40 [ 6305.747206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.747206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.747206][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.747206][ T72] netlink_unicast+0x449/0x710 [ 6305.747206][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.747206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.747206][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.747206][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.747206][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.747206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.747206][ T72] [ 6305.749387][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6305.749387][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.749387][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.749387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.749387][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6305.749387][ T72] ipv6_add_addr+0x411/0x2000 [ 6305.749387][ T72] inet6_addr_add+0x30e/0xa40 [ 6305.749387][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.749387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.749387][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.749387][ T72] netlink_unicast+0x449/0x710 [ 6305.749387][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.749387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.749387][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.749387][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.749387][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.749387][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.749387][ T72] [ 6305.751611][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6305.751611][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.751611][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.751611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.751611][ T72] ip6_route_add+0x1c/0x140 [ 6305.751611][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6305.751611][ T72] addrconf_add_dev+0xe2/0x170 [ 6305.751611][ T72] inet6_addr_add+0x12f/0xa40 [ 6305.751611][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.751611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.751611][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.751611][ T72] netlink_unicast+0x449/0x710 [ 6305.751611][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.751611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.751611][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.751611][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.751611][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.751611][ T72] [ 6305.753860][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6305.753860][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6305.753860][ T72] ipv6_find_idev+0x102/0x170 [ 6305.753860][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.753860][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.753860][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.753860][ T72] netlink_unicast+0x449/0x710 [ 6305.753860][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.753860][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.753860][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.753860][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.753860][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.753860][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.753860][ T72] [ 6305.755570][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6305.755570][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6305.755570][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6305.755570][ T72] ipv6_find_idev+0x102/0x170 [ 6305.755570][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.755570][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.755570][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.755570][ T72] netlink_unicast+0x449/0x710 [ 6305.755570][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.755570][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.755570][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.755570][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.755570][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.755570][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.755570][ T72] [ 6305.757364][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6305.757696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6305.757696][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.757696][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.757696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.757696][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6305.757696][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6305.757696][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6305.757696][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6305.757696][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6305.757696][ T72] addrconf_dad_begin+0x310/0x670 [ 6305.757696][ T72] addrconf_dad_work+0x10b/0xab0 [ 6305.757696][ T72] process_one_work+0x84d/0x18a0 [ 6305.757696][ T72] worker_thread+0x587/0xd30 [ 6305.757696][ T72] kthread+0x28a/0x350 [ 6305.757696][ T72] ret_from_fork+0x31/0x70 [ 6305.757696][ T72] ret_from_fork_asm+0x1a/0x30 [ 6305.757696][ T72] [ 6305.759794][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6305.759794][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.759794][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.759794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.759794][ T72] ip6_route_add+0x1c/0x140 [ 6305.759794][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6305.759794][ T72] inet6_addr_add+0x4f8/0xa40 [ 6305.759794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.759794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.759794][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.759794][ T72] netlink_unicast+0x449/0x710 [ 6305.759794][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.759794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.759794][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.759794][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.759794][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.759794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.759794][ T72] [ 6305.762027][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6305.762027][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.762027][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.762027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.762027][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6305.762027][ T72] ipv6_add_addr+0x411/0x2000 [ 6305.762027][ T72] inet6_addr_add+0x30e/0xa40 [ 6305.762027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.762027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.762027][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.762027][ T72] netlink_unicast+0x449/0x710 [ 6305.762027][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.762027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.762027][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.762027][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.762027][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.762027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.762027][ T72] [ 6305.764318][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6305.764318][ T72] netdev_get_by_index+0x5e/0x80 [ 6305.764318][ T72] fib6_nh_init+0x3d8/0x1580 [ 6305.764318][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6305.764318][ T72] ip6_route_add+0x1c/0x140 [ 6305.764318][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6305.764318][ T72] addrconf_add_dev+0xe2/0x170 [ 6305.764318][ T72] inet6_addr_add+0x12f/0xa40 [ 6305.764318][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.764318][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.764318][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.764318][ T72] netlink_unicast+0x449/0x710 [ 6305.764318][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.764318][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.764318][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.764318][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.764318][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.764318][ T72] [ 6305.766511][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6305.766511][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6305.766511][ T72] ipv6_find_idev+0x102/0x170 [ 6305.766511][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.766511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.766511][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.766511][ T72] netlink_unicast+0x449/0x710 [ 6305.766511][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.766511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.766511][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.766511][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.766511][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.766511][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.766511][ T72] [ 6305.768223][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6305.768223][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6305.768223][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6305.768223][ T72] ipv6_find_idev+0x102/0x170 [ 6305.768223][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.768223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.768223][ T72] netlink_rcv_skb+0x130/0x360 [ 6305.768223][ T72] netlink_unicast+0x449/0x710 [ 6305.768223][ T72] netlink_sendmsg+0x723/0xbe0 [ 6305.768223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6305.768223][ T72] ___sys_sendmsg+0xee/0x170 [ 6305.768223][ T72] __sys_sendmsg+0xcd/0x170 [ 6305.768223][ T72] do_syscall_64+0xc6/0x1e0 [ 6305.768223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.768223][ T72] [ 6316.024934][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6316.025421][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6316.025421][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6316.025421][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6316.025421][ T72] fib6_nh_init+0xa22/0x1580 [ 6316.025421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.025421][ T72] ip6_route_add+0x1c/0x140 [ 6316.025421][ T72] inet6_rtm_newroute+0x104/0x110 [ 6316.025421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.025421][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.025421][ T72] netlink_unicast+0x449/0x710 [ 6316.025421][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.025421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.025421][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.025421][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.025421][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.025421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.025421][ T72] [ 6316.027306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6316.027306][ T72] dst_init+0x84/0x4a0 [ 6316.027306][ T72] dst_alloc+0x97/0x150 [ 6316.027306][ T72] ip6_dst_alloc+0x23/0x90 [ 6316.027306][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6316.027306][ T72] ip6_pol_route+0x56f/0x840 [ 6316.027306][ T72] fib6_rule_lookup+0x456/0x630 [ 6316.027306][ T72] ip6_route_input+0x59c/0xa50 [ 6316.027306][ T72] ipv6_rcv+0x397/0x810 [ 6316.027306][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6316.027306][ T72] process_backlog+0x101/0x620 [ 6316.027306][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6316.027306][ T72] net_rx_action+0x495/0xbe0 [ 6316.027306][ T72] __do_softirq+0x1b5/0x7f6 [ 6316.027306][ T72] [ 6316.028955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6316.028955][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.028955][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.028955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.028955][ T72] ip6_route_add+0x1c/0x140 [ 6316.028955][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6316.028955][ T72] inet6_addr_add+0x4f8/0xa40 [ 6316.028955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.028955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.028955][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.028955][ T72] netlink_unicast+0x449/0x710 [ 6316.028955][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.028955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.028955][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.028955][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.028955][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.028955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.028955][ T72] [ 6316.031047][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6316.031047][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.031047][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.031047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.031047][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6316.031047][ T72] ipv6_add_addr+0x411/0x2000 [ 6316.031047][ T72] inet6_addr_add+0x30e/0xa40 [ 6316.031047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.031047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.031047][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.031047][ T72] netlink_unicast+0x449/0x710 [ 6316.031047][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.031047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.031047][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.031047][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.031047][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.031047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.031047][ T72] [ 6316.033021][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6316.033021][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.033021][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.033021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.033021][ T72] ip6_route_add+0x1c/0x140 [ 6316.033021][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6316.033021][ T72] addrconf_add_dev+0xe2/0x170 [ 6316.033021][ T72] inet6_addr_add+0x12f/0xa40 [ 6316.033021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.033021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.033021][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.033021][ T72] netlink_unicast+0x449/0x710 [ 6316.033021][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.033021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.033021][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.033021][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.033021][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.033021][ T72] [ 6316.034969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6316.034969][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6316.034969][ T72] ipv6_find_idev+0x102/0x170 [ 6316.034969][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.034969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.034969][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.034969][ T72] netlink_unicast+0x449/0x710 [ 6316.034969][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.034969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.034969][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.034969][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.034969][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.034969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.034969][ T72] [ 6316.036499][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6316.036499][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6316.036499][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6316.036499][ T72] ipv6_find_idev+0x102/0x170 [ 6316.036499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.036499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.036499][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.036499][ T72] netlink_unicast+0x449/0x710 [ 6316.036499][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.036499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.036499][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.036499][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.036499][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.036499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.036499][ T72] [ 6316.038174][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6316.038447][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6316.038447][ T72] dst_init+0x84/0x4a0 [ 6316.038447][ T72] dst_alloc+0x97/0x150 [ 6316.038447][ T72] ip6_dst_alloc+0x23/0x90 [ 6316.038447][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6316.038447][ T72] ip6_pol_route+0x56f/0x840 [ 6316.038447][ T72] fib6_rule_lookup+0x456/0x630 [ 6316.038447][ T72] ip6_route_input+0x59c/0xa50 [ 6316.038447][ T72] ipv6_rcv+0x397/0x810 [ 6316.038447][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6316.038447][ T72] process_backlog+0x101/0x620 [ 6316.038447][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6316.038447][ T72] net_rx_action+0x495/0xbe0 [ 6316.038447][ T72] __do_softirq+0x1b5/0x7f6 [ 6316.038447][ T72] [ 6316.040091][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6316.040091][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.040091][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.040091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.040091][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6316.040091][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6316.040091][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6316.040091][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6316.040091][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6316.040091][ T72] addrconf_dad_begin+0x310/0x670 [ 6316.040091][ T72] addrconf_dad_work+0x10b/0xab0 [ 6316.040091][ T72] process_one_work+0x84d/0x18a0 [ 6316.040091][ T72] worker_thread+0x587/0xd30 [ 6316.040091][ T72] kthread+0x28a/0x350 [ 6316.040091][ T72] ret_from_fork+0x31/0x70 [ 6316.040091][ T72] ret_from_fork_asm+0x1a/0x30 [ 6316.040091][ T72] [ 6316.041988][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6316.041988][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.041988][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.041988][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.041988][ T72] ip6_route_add+0x1c/0x140 [ 6316.041988][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6316.041988][ T72] inet6_addr_add+0x4f8/0xa40 [ 6316.041988][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.041988][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.041988][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.041988][ T72] netlink_unicast+0x449/0x710 [ 6316.041988][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.041988][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.041988][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.041988][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.041988][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.041988][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.041988][ T72] [ 6316.043982][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6316.043982][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.043982][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.043982][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.043982][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6316.043982][ T72] ipv6_add_addr+0x411/0x2000 [ 6316.043982][ T72] inet6_addr_add+0x30e/0xa40 [ 6316.043982][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.043982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.043982][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.043982][ T72] netlink_unicast+0x449/0x710 [ 6316.043982][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.043982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.043982][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.043982][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.043982][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.043982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.043982][ T72] [ 6316.046494][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6316.046494][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.046494][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.046494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.046494][ T72] ip6_route_add+0x1c/0x140 [ 6316.046494][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6316.046494][ T72] addrconf_add_dev+0xe2/0x170 [ 6316.046494][ T72] inet6_addr_add+0x12f/0xa40 [ 6316.046494][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.046494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.046494][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.046494][ T72] netlink_unicast+0x449/0x710 [ 6316.046494][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.046494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.046494][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.046494][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.046494][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.046494][ T72] [ 6316.048444][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6316.048444][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6316.048444][ T72] ipv6_find_idev+0x102/0x170 [ 6316.048444][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.048444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.048444][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.048444][ T72] netlink_unicast+0x449/0x710 [ 6316.048444][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.048444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.048444][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.048444][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.048444][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.048444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.048444][ T72] [ 6316.049986][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6316.049986][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6316.049986][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6316.049986][ T72] ipv6_find_idev+0x102/0x170 [ 6316.049986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.049986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.049986][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.049986][ T72] netlink_unicast+0x449/0x710 [ 6316.049986][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.049986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.049986][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.049986][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.049986][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.049986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.049986][ T72] [ 6316.051705][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6316.052038][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6316.052038][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6316.052038][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6316.052038][ T72] fib6_nh_init+0xa22/0x1580 [ 6316.052038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.052038][ T72] ip6_route_add+0x1c/0x140 [ 6316.052038][ T72] inet6_rtm_newroute+0x104/0x110 [ 6316.052038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.052038][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.052038][ T72] netlink_unicast+0x449/0x710 [ 6316.052038][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.052038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.052038][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.052038][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.052038][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.052038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.052038][ T72] [ 6316.054144][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6316.054144][ T72] dst_init+0x84/0x4a0 [ 6316.054144][ T72] dst_alloc+0x97/0x150 [ 6316.054144][ T72] ip6_dst_alloc+0x23/0x90 [ 6316.054144][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6316.054144][ T72] ip6_pol_route+0x56f/0x840 [ 6316.054144][ T72] fib6_rule_lookup+0x456/0x630 [ 6316.054144][ T72] ip6_route_input+0x59c/0xa50 [ 6316.054144][ T72] ipv6_rcv+0x397/0x810 [ 6316.054144][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6316.054144][ T72] process_backlog+0x101/0x620 [ 6316.054144][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6316.054144][ T72] net_rx_action+0x495/0xbe0 [ 6316.054144][ T72] __do_softirq+0x1b5/0x7f6 [ 6316.054144][ T72] [ 6316.055945][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6316.055945][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.055945][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.055945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.055945][ T72] ip6_route_add+0x1c/0x140 [ 6316.055945][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6316.055945][ T72] inet6_addr_add+0x4f8/0xa40 [ 6316.055945][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.055945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.055945][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.055945][ T72] netlink_unicast+0x449/0x710 [ 6316.055945][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.055945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.055945][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.055945][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.055945][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.055945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.055945][ T72] [ 6316.058162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6316.058162][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.058162][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.058162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.058162][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6316.058162][ T72] ipv6_add_addr+0x411/0x2000 [ 6316.058162][ T72] inet6_addr_add+0x30e/0xa40 [ 6316.058162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.058162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.058162][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.058162][ T72] netlink_unicast+0x449/0x710 [ 6316.058162][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.058162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.058162][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.058162][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.058162][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.058162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.058162][ T72] [ 6316.060331][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6316.060331][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.060331][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.060331][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.060331][ T72] ip6_route_add+0x1c/0x140 [ 6316.060331][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6316.060331][ T72] addrconf_add_dev+0xe2/0x170 [ 6316.060331][ T72] inet6_addr_add+0x12f/0xa40 [ 6316.060331][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.060331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.060331][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.060331][ T72] netlink_unicast+0x449/0x710 [ 6316.060331][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.060331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.060331][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.060331][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.060331][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.060331][ T72] [ 6316.062522][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6316.062522][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6316.062522][ T72] ipv6_find_idev+0x102/0x170 [ 6316.062522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.062522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.062522][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.062522][ T72] netlink_unicast+0x449/0x710 [ 6316.062522][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.062522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.062522][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.062522][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.062522][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.062522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.062522][ T72] [ 6316.064232][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6316.064232][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6316.064232][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6316.064232][ T72] ipv6_find_idev+0x102/0x170 [ 6316.064232][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.064232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.064232][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.064232][ T72] netlink_unicast+0x449/0x710 [ 6316.064232][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.064232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.064232][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.064232][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.064232][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.064232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.064232][ T72] [ 6316.066070][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6316.066340][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6316.066340][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.066340][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.066340][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.066340][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6316.066340][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6316.066340][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6316.066340][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6316.066340][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6316.066340][ T72] addrconf_dad_begin+0x310/0x670 [ 6316.066340][ T72] addrconf_dad_work+0x10b/0xab0 [ 6316.066340][ T72] process_one_work+0x84d/0x18a0 [ 6316.066340][ T72] worker_thread+0x587/0xd30 [ 6316.066340][ T72] kthread+0x28a/0x350 [ 6316.066340][ T72] ret_from_fork+0x31/0x70 [ 6316.066340][ T72] ret_from_fork_asm+0x1a/0x30 [ 6316.066340][ T72] [ 6316.068409][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6316.068409][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.068409][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.068409][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.068409][ T72] ip6_route_add+0x1c/0x140 [ 6316.068409][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6316.068409][ T72] inet6_addr_add+0x4f8/0xa40 [ 6316.068409][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.068409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.068409][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.068409][ T72] netlink_unicast+0x449/0x710 [ 6316.068409][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.068409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.068409][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.068409][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.068409][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.068409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.068409][ T72] [ 6316.098066][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6316.098066][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.098066][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.098066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.098066][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6316.098066][ T72] ipv6_add_addr+0x411/0x2000 [ 6316.098066][ T72] inet6_addr_add+0x30e/0xa40 [ 6316.098066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.098066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.098066][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.098066][ T72] netlink_unicast+0x449/0x710 [ 6316.098066][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.098066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.098066][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.098066][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.098066][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.098066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.098066][ T72] [ 6316.100361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6316.100361][ T72] netdev_get_by_index+0x5e/0x80 [ 6316.100361][ T72] fib6_nh_init+0x3d8/0x1580 [ 6316.100361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6316.100361][ T72] ip6_route_add+0x1c/0x140 [ 6316.100361][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6316.100361][ T72] addrconf_add_dev+0xe2/0x170 [ 6316.100361][ T72] inet6_addr_add+0x12f/0xa40 [ 6316.100361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.100361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.100361][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.100361][ T72] netlink_unicast+0x449/0x710 [ 6316.100361][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.100361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.100361][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.100361][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.100361][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.100361][ T72] [ 6316.102431][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6316.102431][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6316.102431][ T72] ipv6_find_idev+0x102/0x170 [ 6316.102431][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.102431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.102431][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.102431][ T72] netlink_unicast+0x449/0x710 [ 6316.102431][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.102431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.102431][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.102431][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.102431][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.102431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.102431][ T72] [ 6316.104138][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6316.104138][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6316.104138][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6316.104138][ T72] ipv6_find_idev+0x102/0x170 [ 6316.104138][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.104138][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.104138][ T72] netlink_rcv_skb+0x130/0x360 [ 6316.104138][ T72] netlink_unicast+0x449/0x710 [ 6316.104138][ T72] netlink_sendmsg+0x723/0xbe0 [ 6316.104138][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6316.104138][ T72] ___sys_sendmsg+0xee/0x170 [ 6316.104138][ T72] __sys_sendmsg+0xcd/0x170 [ 6316.104138][ T72] do_syscall_64+0xc6/0x1e0 [ 6316.104138][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.104138][ T72] [ 6326.168962][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6326.169484][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6326.169484][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6326.169484][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6326.169484][ T72] fib6_nh_init+0xa22/0x1580 [ 6326.169484][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.169484][ T72] ip6_route_add+0x1c/0x140 [ 6326.169484][ T72] inet6_rtm_newroute+0x104/0x110 [ 6326.169484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.169484][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.169484][ T72] netlink_unicast+0x449/0x710 [ 6326.169484][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.169484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.169484][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.169484][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.169484][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.169484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.169484][ T72] [ 6326.171432][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6326.171432][ T72] dst_init+0x84/0x4a0 [ 6326.171432][ T72] dst_alloc+0x97/0x150 [ 6326.171432][ T72] ip6_dst_alloc+0x23/0x90 [ 6326.171432][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6326.171432][ T72] ip6_pol_route+0x56f/0x840 [ 6326.171432][ T72] fib6_rule_lookup+0x456/0x630 [ 6326.171432][ T72] ip6_route_input+0x59c/0xa50 [ 6326.171432][ T72] ipv6_rcv+0x397/0x810 [ 6326.171432][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6326.171432][ T72] process_backlog+0x101/0x620 [ 6326.171432][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6326.171432][ T72] net_rx_action+0x495/0xbe0 [ 6326.171432][ T72] __do_softirq+0x1b5/0x7f6 [ 6326.171432][ T72] [ 6326.173089][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6326.173089][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.173089][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.173089][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.173089][ T72] ip6_route_add+0x1c/0x140 [ 6326.173089][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6326.173089][ T72] inet6_addr_add+0x4f8/0xa40 [ 6326.173089][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.173089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.173089][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.173089][ T72] netlink_unicast+0x449/0x710 [ 6326.173089][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.173089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.173089][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.173089][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.173089][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.173089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.173089][ T72] [ 6326.175108][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6326.175108][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.175108][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.175108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.175108][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6326.175108][ T72] ipv6_add_addr+0x411/0x2000 [ 6326.175108][ T72] inet6_addr_add+0x30e/0xa40 [ 6326.175108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.175108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.175108][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.175108][ T72] netlink_unicast+0x449/0x710 [ 6326.175108][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.175108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.175108][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.175108][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.175108][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.175108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.175108][ T72] [ 6326.177118][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6326.177118][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.177118][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.177118][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.177118][ T72] ip6_route_add+0x1c/0x140 [ 6326.177118][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6326.177118][ T72] addrconf_add_dev+0xe2/0x170 [ 6326.177118][ T72] inet6_addr_add+0x12f/0xa40 [ 6326.177118][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.177118][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.177118][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.177118][ T72] netlink_unicast+0x449/0x710 [ 6326.177118][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.177118][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.177118][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.177118][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.177118][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.177118][ T72] [ 6326.179112][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6326.179112][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6326.179112][ T72] ipv6_find_idev+0x102/0x170 [ 6326.179112][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.179112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.179112][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.179112][ T72] netlink_unicast+0x449/0x710 [ 6326.179112][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.179112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.179112][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.179112][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.179112][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.179112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.179112][ T72] [ 6326.180658][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6326.180658][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6326.180658][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6326.180658][ T72] ipv6_find_idev+0x102/0x170 [ 6326.180658][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.180658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.180658][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.180658][ T72] netlink_unicast+0x449/0x710 [ 6326.180658][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.180658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.180658][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.180658][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.180658][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.180658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.180658][ T72] [ 6326.182390][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6326.182672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6326.182672][ T72] dst_init+0x84/0x4a0 [ 6326.182672][ T72] dst_alloc+0x97/0x150 [ 6326.182672][ T72] ip6_dst_alloc+0x23/0x90 [ 6326.182672][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6326.182672][ T72] ip6_pol_route+0x56f/0x840 [ 6326.182672][ T72] fib6_rule_lookup+0x456/0x630 [ 6326.182672][ T72] ip6_route_input+0x59c/0xa50 [ 6326.182672][ T72] ipv6_rcv+0x397/0x810 [ 6326.182672][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6326.182672][ T72] process_backlog+0x101/0x620 [ 6326.182672][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6326.182672][ T72] net_rx_action+0x495/0xbe0 [ 6326.182672][ T72] __do_softirq+0x1b5/0x7f6 [ 6326.182672][ T72] [ 6326.184344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6326.184344][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.184344][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.184344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.184344][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6326.184344][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6326.184344][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6326.184344][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6326.184344][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6326.184344][ T72] addrconf_dad_begin+0x310/0x670 [ 6326.184344][ T72] addrconf_dad_work+0x10b/0xab0 [ 6326.184344][ T72] process_one_work+0x84d/0x18a0 [ 6326.184344][ T72] worker_thread+0x587/0xd30 [ 6326.184344][ T72] kthread+0x28a/0x350 [ 6326.184344][ T72] ret_from_fork+0x31/0x70 [ 6326.184344][ T72] ret_from_fork_asm+0x1a/0x30 [ 6326.184344][ T72] [ 6326.186288][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6326.186288][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.186288][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.186288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.186288][ T72] ip6_route_add+0x1c/0x140 [ 6326.186288][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6326.186288][ T72] inet6_addr_add+0x4f8/0xa40 [ 6326.186288][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.186288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.186288][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.186288][ T72] netlink_unicast+0x449/0x710 [ 6326.186288][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.186288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.186288][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.186288][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.186288][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.186288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.186288][ T72] [ 6326.188335][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6326.188335][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.188335][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.188335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.188335][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6326.188335][ T72] ipv6_add_addr+0x411/0x2000 [ 6326.188335][ T72] inet6_addr_add+0x30e/0xa40 [ 6326.188335][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.188335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.188335][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.188335][ T72] netlink_unicast+0x449/0x710 [ 6326.188335][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.188335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.188335][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.188335][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.188335][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.188335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.188335][ T72] [ 6326.190344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6326.190344][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.190344][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.190344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.190344][ T72] ip6_route_add+0x1c/0x140 [ 6326.190344][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6326.190344][ T72] addrconf_add_dev+0xe2/0x170 [ 6326.190344][ T72] inet6_addr_add+0x12f/0xa40 [ 6326.190344][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.190344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.190344][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.190344][ T72] netlink_unicast+0x449/0x710 [ 6326.190344][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.190344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.190344][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.190344][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.190344][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.190344][ T72] [ 6326.192320][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6326.192320][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6326.192320][ T72] ipv6_find_idev+0x102/0x170 [ 6326.192320][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.192320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.192320][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.192320][ T72] netlink_unicast+0x449/0x710 [ 6326.192320][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.192320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.192320][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.192320][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.192320][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.192320][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.192320][ T72] [ 6326.193864][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6326.193864][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6326.193864][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6326.193864][ T72] ipv6_find_idev+0x102/0x170 [ 6326.193864][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.193864][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.193864][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.193864][ T72] netlink_unicast+0x449/0x710 [ 6326.193864][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.193864][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.193864][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.193864][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.193864][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.193864][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.193864][ T72] [ 6326.195666][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6326.195953][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6326.195953][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6326.195953][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6326.195953][ T72] fib6_nh_init+0xa22/0x1580 [ 6326.195953][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.195953][ T72] ip6_route_add+0x1c/0x140 [ 6326.195953][ T72] inet6_rtm_newroute+0x104/0x110 [ 6326.195953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.195953][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.195953][ T72] netlink_unicast+0x449/0x710 [ 6326.195953][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.195953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.195953][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.195953][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.195953][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.195953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.195953][ T72] [ 6326.198141][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6326.198141][ T72] dst_init+0x84/0x4a0 [ 6326.198141][ T72] dst_alloc+0x97/0x150 [ 6326.198141][ T72] ip6_dst_alloc+0x23/0x90 [ 6326.198141][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6326.198141][ T72] ip6_pol_route+0x56f/0x840 [ 6326.198141][ T72] fib6_rule_lookup+0x456/0x630 [ 6326.198141][ T72] ip6_route_input+0x59c/0xa50 [ 6326.198141][ T72] ipv6_rcv+0x397/0x810 [ 6326.198141][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6326.198141][ T72] process_backlog+0x101/0x620 [ 6326.198141][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6326.198141][ T72] net_rx_action+0x495/0xbe0 [ 6326.198141][ T72] __do_softirq+0x1b5/0x7f6 [ 6326.198141][ T72] [ 6326.199972][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6326.199972][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.199972][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.199972][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.199972][ T72] ip6_route_add+0x1c/0x140 [ 6326.199972][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6326.199972][ T72] inet6_addr_add+0x4f8/0xa40 [ 6326.199972][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.199972][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.199972][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.199972][ T72] netlink_unicast+0x449/0x710 [ 6326.199972][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.199972][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.199972][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.199972][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.199972][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.199972][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.199972][ T72] [ 6326.202159][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6326.202159][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.202159][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.202159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.202159][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6326.202159][ T72] ipv6_add_addr+0x411/0x2000 [ 6326.202159][ T72] inet6_addr_add+0x30e/0xa40 [ 6326.202159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.202159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.202159][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.202159][ T72] netlink_unicast+0x449/0x710 [ 6326.202159][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.202159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.202159][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.202159][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.202159][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.202159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.202159][ T72] [ 6326.204402][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6326.204402][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.204402][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.204402][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.204402][ T72] ip6_route_add+0x1c/0x140 [ 6326.204402][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6326.204402][ T72] addrconf_add_dev+0xe2/0x170 [ 6326.204402][ T72] inet6_addr_add+0x12f/0xa40 [ 6326.204402][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.204402][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.204402][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.204402][ T72] netlink_unicast+0x449/0x710 [ 6326.204402][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.204402][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.204402][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.204402][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.204402][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.204402][ T72] [ 6326.206680][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6326.206680][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6326.206680][ T72] ipv6_find_idev+0x102/0x170 [ 6326.206680][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.206680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.206680][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.206680][ T72] netlink_unicast+0x449/0x710 [ 6326.206680][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.206680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.206680][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.206680][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.206680][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.206680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.206680][ T72] [ 6326.208410][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6326.208410][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6326.208410][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6326.208410][ T72] ipv6_find_idev+0x102/0x170 [ 6326.208410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.208410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.208410][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.208410][ T72] netlink_unicast+0x449/0x710 [ 6326.208410][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.208410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.208410][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.208410][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.208410][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.208410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.208410][ T72] [ 6326.210294][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6326.210635][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6326.210635][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.210635][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.210635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.210635][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6326.210635][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6326.210635][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6326.210635][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6326.210635][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6326.210635][ T72] addrconf_dad_begin+0x310/0x670 [ 6326.210635][ T72] addrconf_dad_work+0x10b/0xab0 [ 6326.210635][ T72] process_one_work+0x84d/0x18a0 [ 6326.210635][ T72] worker_thread+0x587/0xd30 [ 6326.210635][ T72] kthread+0x28a/0x350 [ 6326.210635][ T72] ret_from_fork+0x31/0x70 [ 6326.210635][ T72] ret_from_fork_asm+0x1a/0x30 [ 6326.210635][ T72] [ 6326.212675][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6326.212675][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.212675][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.212675][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.212675][ T72] ip6_route_add+0x1c/0x140 [ 6326.212675][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6326.212675][ T72] inet6_addr_add+0x4f8/0xa40 [ 6326.212675][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.212675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.212675][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.212675][ T72] netlink_unicast+0x449/0x710 [ 6326.212675][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.212675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.212675][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.212675][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.212675][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.212675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.212675][ T72] [ 6326.214937][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6326.214937][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.214937][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.214937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.214937][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6326.214937][ T72] ipv6_add_addr+0x411/0x2000 [ 6326.214937][ T72] inet6_addr_add+0x30e/0xa40 [ 6326.214937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.214937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.214937][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.214937][ T72] netlink_unicast+0x449/0x710 [ 6326.214937][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.214937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.214937][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.214937][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.214937][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.214937][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.214937][ T72] [ 6326.217253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6326.217253][ T72] netdev_get_by_index+0x5e/0x80 [ 6326.217253][ T72] fib6_nh_init+0x3d8/0x1580 [ 6326.217253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6326.217253][ T72] ip6_route_add+0x1c/0x140 [ 6326.217253][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6326.217253][ T72] addrconf_add_dev+0xe2/0x170 [ 6326.217253][ T72] inet6_addr_add+0x12f/0xa40 [ 6326.217253][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.217253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.217253][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.217253][ T72] netlink_unicast+0x449/0x710 [ 6326.217253][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.217253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.217253][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.217253][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.217253][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.217253][ T72] [ 6326.219514][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6326.219514][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6326.219514][ T72] ipv6_find_idev+0x102/0x170 [ 6326.219514][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.219514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.219514][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.219514][ T72] netlink_unicast+0x449/0x710 [ 6326.219514][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.219514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.219514][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.219514][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.219514][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.219514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.219514][ T72] [ 6326.221247][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6326.221247][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6326.221247][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6326.221247][ T72] ipv6_find_idev+0x102/0x170 [ 6326.221247][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.221247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.221247][ T72] netlink_rcv_skb+0x130/0x360 [ 6326.221247][ T72] netlink_unicast+0x449/0x710 [ 6326.221247][ T72] netlink_sendmsg+0x723/0xbe0 [ 6326.221247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6326.221247][ T72] ___sys_sendmsg+0xee/0x170 [ 6326.221247][ T72] __sys_sendmsg+0xcd/0x170 [ 6326.221247][ T72] do_syscall_64+0xc6/0x1e0 [ 6326.221247][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.221247][ T72] [ 6336.472931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6336.473417][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6336.473417][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6336.473417][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6336.473417][ T72] fib6_nh_init+0xa22/0x1580 [ 6336.473417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.473417][ T72] ip6_route_add+0x1c/0x140 [ 6336.473417][ T72] inet6_rtm_newroute+0x104/0x110 [ 6336.473417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.473417][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.473417][ T72] netlink_unicast+0x449/0x710 [ 6336.473417][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.473417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.473417][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.473417][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.473417][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.473417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.473417][ T72] [ 6336.475306][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6336.475306][ T72] dst_init+0x84/0x4a0 [ 6336.475306][ T72] dst_alloc+0x97/0x150 [ 6336.475306][ T72] ip6_dst_alloc+0x23/0x90 [ 6336.475306][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6336.475306][ T72] ip6_pol_route+0x56f/0x840 [ 6336.475306][ T72] fib6_rule_lookup+0x456/0x630 [ 6336.475306][ T72] ip6_route_input+0x59c/0xa50 [ 6336.475306][ T72] ipv6_rcv+0x397/0x810 [ 6336.475306][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6336.475306][ T72] process_backlog+0x101/0x620 [ 6336.475306][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6336.475306][ T72] net_rx_action+0x495/0xbe0 [ 6336.475306][ T72] __do_softirq+0x1b5/0x7f6 [ 6336.475306][ T72] [ 6336.476956][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6336.476956][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.476956][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.476956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.476956][ T72] ip6_route_add+0x1c/0x140 [ 6336.476956][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6336.476956][ T72] inet6_addr_add+0x4f8/0xa40 [ 6336.476956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.476956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.476956][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.476956][ T72] netlink_unicast+0x449/0x710 [ 6336.476956][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.476956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.476956][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.476956][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.476956][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.476956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.476956][ T72] [ 6336.478954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6336.478954][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.478954][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.478954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.478954][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6336.478954][ T72] ipv6_add_addr+0x411/0x2000 [ 6336.478954][ T72] inet6_addr_add+0x30e/0xa40 [ 6336.478954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.478954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.478954][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.478954][ T72] netlink_unicast+0x449/0x710 [ 6336.478954][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.478954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.478954][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.478954][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.478954][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.478954][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.478954][ T72] [ 6336.480937][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6336.480937][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.480937][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.480937][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.480937][ T72] ip6_route_add+0x1c/0x140 [ 6336.480937][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6336.480937][ T72] addrconf_add_dev+0xe2/0x170 [ 6336.480937][ T72] inet6_addr_add+0x12f/0xa40 [ 6336.480937][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.480937][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.480937][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.480937][ T72] netlink_unicast+0x449/0x710 [ 6336.480937][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.480937][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.480937][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.480937][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.480937][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.480937][ T72] [ 6336.482882][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6336.482882][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6336.482882][ T72] ipv6_find_idev+0x102/0x170 [ 6336.482882][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.482882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.482882][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.482882][ T72] netlink_unicast+0x449/0x710 [ 6336.482882][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.482882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.482882][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.482882][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.482882][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.482882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.482882][ T72] [ 6336.484415][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6336.484415][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6336.484415][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6336.484415][ T72] ipv6_find_idev+0x102/0x170 [ 6336.484415][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.484415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.484415][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.484415][ T72] netlink_unicast+0x449/0x710 [ 6336.484415][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.484415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.484415][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.484415][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.484415][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.484415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.484415][ T72] [ 6336.486107][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6336.486372][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6336.486372][ T72] dst_init+0x84/0x4a0 [ 6336.486372][ T72] dst_alloc+0x97/0x150 [ 6336.486372][ T72] ip6_dst_alloc+0x23/0x90 [ 6336.486372][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6336.486372][ T72] ip6_pol_route+0x56f/0x840 [ 6336.486372][ T72] fib6_rule_lookup+0x456/0x630 [ 6336.486372][ T72] ip6_route_input+0x59c/0xa50 [ 6336.486372][ T72] ipv6_rcv+0x397/0x810 [ 6336.486372][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6336.486372][ T72] process_backlog+0x101/0x620 [ 6336.486372][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6336.486372][ T72] net_rx_action+0x495/0xbe0 [ 6336.486372][ T72] __do_softirq+0x1b5/0x7f6 [ 6336.486372][ T72] [ 6336.488023][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6336.488023][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.488023][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.488023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.488023][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6336.488023][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6336.488023][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6336.488023][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6336.488023][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6336.488023][ T72] addrconf_dad_begin+0x310/0x670 [ 6336.488023][ T72] addrconf_dad_work+0x10b/0xab0 [ 6336.488023][ T72] process_one_work+0x84d/0x18a0 [ 6336.488023][ T72] worker_thread+0x587/0xd30 [ 6336.488023][ T72] kthread+0x28a/0x350 [ 6336.488023][ T72] ret_from_fork+0x31/0x70 [ 6336.488023][ T72] ret_from_fork_asm+0x1a/0x30 [ 6336.488023][ T72] [ 6336.489938][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6336.489938][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.489938][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.489938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.489938][ T72] ip6_route_add+0x1c/0x140 [ 6336.489938][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6336.489938][ T72] inet6_addr_add+0x4f8/0xa40 [ 6336.489938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.489938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.489938][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.489938][ T72] netlink_unicast+0x449/0x710 [ 6336.489938][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.489938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.489938][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.489938][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.489938][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.489938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.489938][ T72] [ 6336.491926][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6336.491926][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.491926][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.491926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.491926][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6336.491926][ T72] ipv6_add_addr+0x411/0x2000 [ 6336.491926][ T72] inet6_addr_add+0x30e/0xa40 [ 6336.491926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.491926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.491926][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.491926][ T72] netlink_unicast+0x449/0x710 [ 6336.491926][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.491926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.491926][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.491926][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.491926][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.491926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.491926][ T72] [ 6336.493914][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6336.493914][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.493914][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.493914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.493914][ T72] ip6_route_add+0x1c/0x140 [ 6336.493914][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6336.493914][ T72] addrconf_add_dev+0xe2/0x170 [ 6336.493914][ T72] inet6_addr_add+0x12f/0xa40 [ 6336.493914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.493914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.493914][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.493914][ T72] netlink_unicast+0x449/0x710 [ 6336.493914][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.493914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.493914][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.493914][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.493914][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.493914][ T72] [ 6336.495861][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6336.495861][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6336.495861][ T72] ipv6_find_idev+0x102/0x170 [ 6336.495861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.495861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.495861][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.495861][ T72] netlink_unicast+0x449/0x710 [ 6336.495861][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.495861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.495861][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.495861][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.495861][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.495861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.495861][ T72] [ 6336.497392][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6336.497392][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6336.497392][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6336.497392][ T72] ipv6_find_idev+0x102/0x170 [ 6336.497392][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.497392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.497392][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.497392][ T72] netlink_unicast+0x449/0x710 [ 6336.497392][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.497392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.497392][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.497392][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.497392][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.497392][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.497392][ T72] [ 6336.499130][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6336.499458][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6336.499458][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6336.499458][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6336.499458][ T72] fib6_nh_init+0xa22/0x1580 [ 6336.499458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.499458][ T72] ip6_route_add+0x1c/0x140 [ 6336.499458][ T72] inet6_rtm_newroute+0x104/0x110 [ 6336.499458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.499458][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.499458][ T72] netlink_unicast+0x449/0x710 [ 6336.499458][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.499458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.499458][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.499458][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.499458][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.499458][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.499458][ T72] [ 6336.501505][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6336.501505][ T72] dst_init+0x84/0x4a0 [ 6336.501505][ T72] dst_alloc+0x97/0x150 [ 6336.501505][ T72] ip6_dst_alloc+0x23/0x90 [ 6336.501505][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6336.501505][ T72] ip6_pol_route+0x56f/0x840 [ 6336.501505][ T72] fib6_rule_lookup+0x456/0x630 [ 6336.501505][ T72] ip6_route_input+0x59c/0xa50 [ 6336.501505][ T72] ipv6_rcv+0x397/0x810 [ 6336.501505][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6336.501505][ T72] process_backlog+0x101/0x620 [ 6336.501505][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6336.501505][ T72] net_rx_action+0x495/0xbe0 [ 6336.501505][ T72] __do_softirq+0x1b5/0x7f6 [ 6336.501505][ T72] [ 6336.503310][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6336.503310][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.503310][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.503310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.503310][ T72] ip6_route_add+0x1c/0x140 [ 6336.503310][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6336.503310][ T72] inet6_addr_add+0x4f8/0xa40 [ 6336.503310][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.503310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.503310][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.503310][ T72] netlink_unicast+0x449/0x710 [ 6336.503310][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.503310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.503310][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.503310][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.503310][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.503310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.503310][ T72] [ 6336.505543][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6336.505543][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.505543][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.505543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.505543][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6336.505543][ T72] ipv6_add_addr+0x411/0x2000 [ 6336.505543][ T72] inet6_addr_add+0x30e/0xa40 [ 6336.505543][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.505543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.505543][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.505543][ T72] netlink_unicast+0x449/0x710 [ 6336.505543][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.505543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.505543][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.505543][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.505543][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.505543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.505543][ T72] [ 6336.507782][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6336.507782][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.507782][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.507782][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.507782][ T72] ip6_route_add+0x1c/0x140 [ 6336.507782][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6336.507782][ T72] addrconf_add_dev+0xe2/0x170 [ 6336.507782][ T72] inet6_addr_add+0x12f/0xa40 [ 6336.507782][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.507782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.507782][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.507782][ T72] netlink_unicast+0x449/0x710 [ 6336.507782][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.507782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.507782][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.507782][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.507782][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.507782][ T72] [ 6336.510061][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6336.510061][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6336.510061][ T72] ipv6_find_idev+0x102/0x170 [ 6336.510061][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.510061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.510061][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.510061][ T72] netlink_unicast+0x449/0x710 [ 6336.510061][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.510061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.510061][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.510061][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.510061][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.510061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.510061][ T72] [ 6336.511784][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6336.511784][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6336.511784][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6336.511784][ T72] ipv6_find_idev+0x102/0x170 [ 6336.511784][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.511784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.511784][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.511784][ T72] netlink_unicast+0x449/0x710 [ 6336.511784][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.511784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.511784][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.511784][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.511784][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.511784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.511784][ T72] [ 6336.513642][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6336.513991][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6336.513991][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.513991][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.513991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.513991][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6336.513991][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6336.513991][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6336.513991][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6336.513991][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6336.513991][ T72] addrconf_dad_begin+0x310/0x670 [ 6336.513991][ T72] addrconf_dad_work+0x10b/0xab0 [ 6336.513991][ T72] process_one_work+0x84d/0x18a0 [ 6336.513991][ T72] worker_thread+0x587/0xd30 [ 6336.513991][ T72] kthread+0x28a/0x350 [ 6336.513991][ T72] ret_from_fork+0x31/0x70 [ 6336.513991][ T72] ret_from_fork_asm+0x1a/0x30 [ 6336.513991][ T72] [ 6336.516079][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6336.516079][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.516079][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.516079][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.516079][ T72] ip6_route_add+0x1c/0x140 [ 6336.516079][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6336.516079][ T72] inet6_addr_add+0x4f8/0xa40 [ 6336.516079][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.516079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.516079][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.516079][ T72] netlink_unicast+0x449/0x710 [ 6336.516079][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.516079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.516079][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.516079][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.516079][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.516079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.516079][ T72] [ 6336.518320][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6336.518320][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.518320][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.518320][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.518320][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6336.518320][ T72] ipv6_add_addr+0x411/0x2000 [ 6336.518320][ T72] inet6_addr_add+0x30e/0xa40 [ 6336.518320][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.518320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.518320][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.518320][ T72] netlink_unicast+0x449/0x710 [ 6336.518320][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.518320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.518320][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.518320][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.518320][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.518320][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.518320][ T72] [ 6336.520625][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6336.520625][ T72] netdev_get_by_index+0x5e/0x80 [ 6336.520625][ T72] fib6_nh_init+0x3d8/0x1580 [ 6336.520625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6336.520625][ T72] ip6_route_add+0x1c/0x140 [ 6336.520625][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6336.520625][ T72] addrconf_add_dev+0xe2/0x170 [ 6336.520625][ T72] inet6_addr_add+0x12f/0xa40 [ 6336.520625][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.520625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.520625][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.520625][ T72] netlink_unicast+0x449/0x710 [ 6336.520625][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.520625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.520625][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.520625][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.520625][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.520625][ T72] [ 6336.523349][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6336.523349][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6336.523349][ T72] ipv6_find_idev+0x102/0x170 [ 6336.523349][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.523349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.523349][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.523349][ T72] netlink_unicast+0x449/0x710 [ 6336.523349][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.523349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.523349][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.523349][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.523349][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.523349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.523349][ T72] [ 6336.525001][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6336.525001][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6336.525001][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6336.525001][ T72] ipv6_find_idev+0x102/0x170 [ 6336.525001][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.525001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.525001][ T72] netlink_rcv_skb+0x130/0x360 [ 6336.525001][ T72] netlink_unicast+0x449/0x710 [ 6336.525001][ T72] netlink_sendmsg+0x723/0xbe0 [ 6336.525001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6336.525001][ T72] ___sys_sendmsg+0xee/0x170 [ 6336.525001][ T72] __sys_sendmsg+0xcd/0x170 [ 6336.525001][ T72] do_syscall_64+0xc6/0x1e0 [ 6336.525001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.525001][ T72] [ 6346.768902][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6346.769395][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6346.769395][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6346.769395][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6346.769395][ T72] fib6_nh_init+0xa22/0x1580 [ 6346.769395][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.769395][ T72] ip6_route_add+0x1c/0x140 [ 6346.769395][ T72] inet6_rtm_newroute+0x104/0x110 [ 6346.769395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.769395][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.769395][ T72] netlink_unicast+0x449/0x710 [ 6346.769395][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.769395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.769395][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.769395][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.769395][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.769395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.769395][ T72] [ 6346.771302][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6346.771302][ T72] dst_init+0x84/0x4a0 [ 6346.771302][ T72] dst_alloc+0x97/0x150 [ 6346.771302][ T72] ip6_dst_alloc+0x23/0x90 [ 6346.771302][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6346.771302][ T72] ip6_pol_route+0x56f/0x840 [ 6346.771302][ T72] fib6_rule_lookup+0x456/0x630 [ 6346.771302][ T72] ip6_route_input+0x59c/0xa50 [ 6346.771302][ T72] ipv6_rcv+0x397/0x810 [ 6346.771302][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6346.771302][ T72] process_backlog+0x101/0x620 [ 6346.771302][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6346.771302][ T72] net_rx_action+0x495/0xbe0 [ 6346.771302][ T72] __do_softirq+0x1b5/0x7f6 [ 6346.771302][ T72] [ 6346.772935][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6346.772935][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.772935][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.772935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.772935][ T72] ip6_route_add+0x1c/0x140 [ 6346.772935][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6346.772935][ T72] inet6_addr_add+0x4f8/0xa40 [ 6346.772935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.772935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.772935][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.772935][ T72] netlink_unicast+0x449/0x710 [ 6346.772935][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.772935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.772935][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.772935][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.772935][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.772935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.772935][ T72] [ 6346.774916][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6346.774916][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.774916][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.774916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.774916][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6346.774916][ T72] ipv6_add_addr+0x411/0x2000 [ 6346.774916][ T72] inet6_addr_add+0x30e/0xa40 [ 6346.774916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.774916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.774916][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.774916][ T72] netlink_unicast+0x449/0x710 [ 6346.774916][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.774916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.774916][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.774916][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.774916][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.774916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.774916][ T72] [ 6346.776890][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6346.776890][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.776890][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.776890][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.776890][ T72] ip6_route_add+0x1c/0x140 [ 6346.776890][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6346.776890][ T72] addrconf_add_dev+0xe2/0x170 [ 6346.776890][ T72] inet6_addr_add+0x12f/0xa40 [ 6346.776890][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.776890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.776890][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.776890][ T72] netlink_unicast+0x449/0x710 [ 6346.776890][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.776890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.776890][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.776890][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.776890][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.776890][ T72] [ 6346.778853][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6346.778853][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6346.778853][ T72] ipv6_find_idev+0x102/0x170 [ 6346.778853][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.778853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.778853][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.778853][ T72] netlink_unicast+0x449/0x710 [ 6346.778853][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.778853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.778853][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.778853][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.778853][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.778853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.778853][ T72] [ 6346.780381][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6346.780381][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6346.780381][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6346.780381][ T72] ipv6_find_idev+0x102/0x170 [ 6346.780381][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.780381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.780381][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.780381][ T72] netlink_unicast+0x449/0x710 [ 6346.780381][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.780381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.780381][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.780381][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.780381][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.780381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.780381][ T72] [ 6346.782057][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6346.782330][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6346.782330][ T72] dst_init+0x84/0x4a0 [ 6346.782330][ T72] dst_alloc+0x97/0x150 [ 6346.782330][ T72] ip6_dst_alloc+0x23/0x90 [ 6346.782330][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6346.782330][ T72] ip6_pol_route+0x56f/0x840 [ 6346.782330][ T72] fib6_rule_lookup+0x456/0x630 [ 6346.782330][ T72] ip6_route_input+0x59c/0xa50 [ 6346.782330][ T72] ipv6_rcv+0x397/0x810 [ 6346.782330][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6346.782330][ T72] process_backlog+0x101/0x620 [ 6346.782330][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6346.782330][ T72] net_rx_action+0x495/0xbe0 [ 6346.782330][ T72] __do_softirq+0x1b5/0x7f6 [ 6346.782330][ T72] [ 6346.783960][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6346.783960][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.783960][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.783960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.783960][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6346.783960][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6346.783960][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6346.783960][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6346.783960][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6346.783960][ T72] addrconf_dad_begin+0x310/0x670 [ 6346.783960][ T72] addrconf_dad_work+0x10b/0xab0 [ 6346.783960][ T72] process_one_work+0x84d/0x18a0 [ 6346.783960][ T72] worker_thread+0x587/0xd30 [ 6346.783960][ T72] kthread+0x28a/0x350 [ 6346.783960][ T72] ret_from_fork+0x31/0x70 [ 6346.783960][ T72] ret_from_fork_asm+0x1a/0x30 [ 6346.783960][ T72] [ 6346.785864][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6346.785864][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.785864][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.785864][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.785864][ T72] ip6_route_add+0x1c/0x140 [ 6346.785864][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6346.785864][ T72] inet6_addr_add+0x4f8/0xa40 [ 6346.785864][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.785864][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.785864][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.785864][ T72] netlink_unicast+0x449/0x710 [ 6346.785864][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.785864][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.785864][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.785864][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.785864][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.785864][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.785864][ T72] [ 6346.787838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6346.787838][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.787838][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.787838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.787838][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6346.787838][ T72] ipv6_add_addr+0x411/0x2000 [ 6346.787838][ T72] inet6_addr_add+0x30e/0xa40 [ 6346.787838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.787838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.787838][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.787838][ T72] netlink_unicast+0x449/0x710 [ 6346.787838][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.787838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.787838][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.787838][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.787838][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.787838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.787838][ T72] [ 6346.789815][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6346.789815][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.789815][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.789815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.789815][ T72] ip6_route_add+0x1c/0x140 [ 6346.789815][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6346.789815][ T72] addrconf_add_dev+0xe2/0x170 [ 6346.789815][ T72] inet6_addr_add+0x12f/0xa40 [ 6346.789815][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.789815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.789815][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.789815][ T72] netlink_unicast+0x449/0x710 [ 6346.789815][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.789815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.789815][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.789815][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.789815][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.789815][ T72] [ 6346.791771][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6346.791771][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6346.791771][ T72] ipv6_find_idev+0x102/0x170 [ 6346.791771][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.791771][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.791771][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.791771][ T72] netlink_unicast+0x449/0x710 [ 6346.791771][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.791771][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.791771][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.791771][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.791771][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.791771][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.791771][ T72] [ 6346.793295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6346.793295][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6346.793295][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6346.793295][ T72] ipv6_find_idev+0x102/0x170 [ 6346.793295][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.793295][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.793295][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.793295][ T72] netlink_unicast+0x449/0x710 [ 6346.793295][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.793295][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.793295][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.793295][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.793295][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.793295][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.793295][ T72] [ 6346.795030][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6346.795358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6346.795358][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6346.795358][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6346.795358][ T72] fib6_nh_init+0xa22/0x1580 [ 6346.795358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.795358][ T72] ip6_route_add+0x1c/0x140 [ 6346.795358][ T72] inet6_rtm_newroute+0x104/0x110 [ 6346.795358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.795358][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.795358][ T72] netlink_unicast+0x449/0x710 [ 6346.795358][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.795358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.795358][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.795358][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.795358][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.795358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.795358][ T72] [ 6346.797465][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6346.797465][ T72] dst_init+0x84/0x4a0 [ 6346.797465][ T72] dst_alloc+0x97/0x150 [ 6346.797465][ T72] ip6_dst_alloc+0x23/0x90 [ 6346.797465][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6346.797465][ T72] ip6_pol_route+0x56f/0x840 [ 6346.797465][ T72] fib6_rule_lookup+0x456/0x630 [ 6346.797465][ T72] ip6_route_input+0x59c/0xa50 [ 6346.797465][ T72] ipv6_rcv+0x397/0x810 [ 6346.797465][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6346.797465][ T72] process_backlog+0x101/0x620 [ 6346.797465][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6346.797465][ T72] net_rx_action+0x495/0xbe0 [ 6346.797465][ T72] __do_softirq+0x1b5/0x7f6 [ 6346.797465][ T72] [ 6346.799284][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6346.799284][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.799284][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.799284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.799284][ T72] ip6_route_add+0x1c/0x140 [ 6346.799284][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6346.799284][ T72] inet6_addr_add+0x4f8/0xa40 [ 6346.799284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.799284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.799284][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.799284][ T72] netlink_unicast+0x449/0x710 [ 6346.799284][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.799284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.799284][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.799284][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.799284][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.799284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.799284][ T72] [ 6346.801500][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6346.801500][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.801500][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.801500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.801500][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6346.801500][ T72] ipv6_add_addr+0x411/0x2000 [ 6346.801500][ T72] inet6_addr_add+0x30e/0xa40 [ 6346.801500][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.801500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.801500][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.801500][ T72] netlink_unicast+0x449/0x710 [ 6346.801500][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.801500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.801500][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.801500][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.801500][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.801500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.801500][ T72] [ 6346.803664][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6346.803664][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.803664][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.803664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.803664][ T72] ip6_route_add+0x1c/0x140 [ 6346.803664][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6346.803664][ T72] addrconf_add_dev+0xe2/0x170 [ 6346.803664][ T72] inet6_addr_add+0x12f/0xa40 [ 6346.803664][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.803664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.803664][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.803664][ T72] netlink_unicast+0x449/0x710 [ 6346.803664][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.803664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.803664][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.803664][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.803664][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.803664][ T72] [ 6346.806443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6346.806443][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6346.806443][ T72] ipv6_find_idev+0x102/0x170 [ 6346.806443][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.806443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.806443][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.806443][ T72] netlink_unicast+0x449/0x710 [ 6346.806443][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.806443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.806443][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.806443][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.806443][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.806443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.806443][ T72] [ 6346.808148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6346.808148][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6346.808148][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6346.808148][ T72] ipv6_find_idev+0x102/0x170 [ 6346.808148][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.808148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.808148][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.808148][ T72] netlink_unicast+0x449/0x710 [ 6346.808148][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.808148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.808148][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.808148][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.808148][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.808148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.808148][ T72] [ 6346.810008][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6346.810278][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6346.810278][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.810278][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.810278][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.810278][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6346.810278][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6346.810278][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6346.810278][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6346.810278][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6346.810278][ T72] addrconf_dad_begin+0x310/0x670 [ 6346.810278][ T72] addrconf_dad_work+0x10b/0xab0 [ 6346.810278][ T72] process_one_work+0x84d/0x18a0 [ 6346.810278][ T72] worker_thread+0x587/0xd30 [ 6346.810278][ T72] kthread+0x28a/0x350 [ 6346.810278][ T72] ret_from_fork+0x31/0x70 [ 6346.810278][ T72] ret_from_fork_asm+0x1a/0x30 [ 6346.810278][ T72] [ 6346.840969][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6346.840969][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.840969][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.840969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.840969][ T72] ip6_route_add+0x1c/0x140 [ 6346.840969][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6346.840969][ T72] inet6_addr_add+0x4f8/0xa40 [ 6346.840969][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.840969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.840969][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.840969][ T72] netlink_unicast+0x449/0x710 [ 6346.840969][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.840969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.840969][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.840969][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.840969][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.840969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.840969][ T72] [ 6346.843199][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6346.843199][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.843199][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.843199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.843199][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6346.843199][ T72] ipv6_add_addr+0x411/0x2000 [ 6346.843199][ T72] inet6_addr_add+0x30e/0xa40 [ 6346.843199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.843199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.843199][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.843199][ T72] netlink_unicast+0x449/0x710 [ 6346.843199][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.843199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.843199][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.843199][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.843199][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.843199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.843199][ T72] [ 6346.845485][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6346.845485][ T72] netdev_get_by_index+0x5e/0x80 [ 6346.845485][ T72] fib6_nh_init+0x3d8/0x1580 [ 6346.845485][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6346.845485][ T72] ip6_route_add+0x1c/0x140 [ 6346.845485][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6346.845485][ T72] addrconf_add_dev+0xe2/0x170 [ 6346.845485][ T72] inet6_addr_add+0x12f/0xa40 [ 6346.845485][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.845485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.845485][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.845485][ T72] netlink_unicast+0x449/0x710 [ 6346.845485][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.845485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.845485][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.845485][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.845485][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.845485][ T72] [ 6346.847612][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6346.847612][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6346.847612][ T72] ipv6_find_idev+0x102/0x170 [ 6346.847612][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.847612][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.847612][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.847612][ T72] netlink_unicast+0x449/0x710 [ 6346.847612][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.847612][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.847612][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.847612][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.847612][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.847612][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.847612][ T72] [ 6346.849326][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6346.849326][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6346.849326][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6346.849326][ T72] ipv6_find_idev+0x102/0x170 [ 6346.849326][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.849326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.849326][ T72] netlink_rcv_skb+0x130/0x360 [ 6346.849326][ T72] netlink_unicast+0x449/0x710 [ 6346.849326][ T72] netlink_sendmsg+0x723/0xbe0 [ 6346.849326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6346.849326][ T72] ___sys_sendmsg+0xee/0x170 [ 6346.849326][ T72] __sys_sendmsg+0xcd/0x170 [ 6346.849326][ T72] do_syscall_64+0xc6/0x1e0 [ 6346.849326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.849326][ T72] [ 6357.088932][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6357.089446][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6357.089446][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6357.089446][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6357.089446][ T72] fib6_nh_init+0xa22/0x1580 [ 6357.089446][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.089446][ T72] ip6_route_add+0x1c/0x140 [ 6357.089446][ T72] inet6_rtm_newroute+0x104/0x110 [ 6357.089446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.089446][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.089446][ T72] netlink_unicast+0x449/0x710 [ 6357.089446][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.089446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.089446][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.089446][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.089446][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.089446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.089446][ T72] [ 6357.091339][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6357.091339][ T72] dst_init+0x84/0x4a0 [ 6357.091339][ T72] dst_alloc+0x97/0x150 [ 6357.091339][ T72] ip6_dst_alloc+0x23/0x90 [ 6357.091339][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6357.091339][ T72] ip6_pol_route+0x56f/0x840 [ 6357.091339][ T72] fib6_rule_lookup+0x456/0x630 [ 6357.091339][ T72] ip6_route_input+0x59c/0xa50 [ 6357.091339][ T72] ipv6_rcv+0x397/0x810 [ 6357.091339][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6357.091339][ T72] process_backlog+0x101/0x620 [ 6357.091339][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6357.091339][ T72] net_rx_action+0x495/0xbe0 [ 6357.091339][ T72] __do_softirq+0x1b5/0x7f6 [ 6357.091339][ T72] [ 6357.092952][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6357.092952][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.092952][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.092952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.092952][ T72] ip6_route_add+0x1c/0x140 [ 6357.092952][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6357.092952][ T72] inet6_addr_add+0x4f8/0xa40 [ 6357.092952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.092952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.092952][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.092952][ T72] netlink_unicast+0x449/0x710 [ 6357.092952][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.092952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.092952][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.092952][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.092952][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.092952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.092952][ T72] [ 6357.094935][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6357.094935][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.094935][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.094935][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.094935][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6357.094935][ T72] ipv6_add_addr+0x411/0x2000 [ 6357.094935][ T72] inet6_addr_add+0x30e/0xa40 [ 6357.094935][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.094935][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.094935][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.094935][ T72] netlink_unicast+0x449/0x710 [ 6357.094935][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.094935][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.094935][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.094935][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.094935][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.094935][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.094935][ T72] [ 6357.096943][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6357.096943][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.096943][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.096943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.096943][ T72] ip6_route_add+0x1c/0x140 [ 6357.096943][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6357.096943][ T72] addrconf_add_dev+0xe2/0x170 [ 6357.096943][ T72] inet6_addr_add+0x12f/0xa40 [ 6357.096943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.096943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.096943][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.096943][ T72] netlink_unicast+0x449/0x710 [ 6357.096943][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.096943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.096943][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.096943][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.096943][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.096943][ T72] [ 6357.098928][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6357.098928][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6357.098928][ T72] ipv6_find_idev+0x102/0x170 [ 6357.098928][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.098928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.098928][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.098928][ T72] netlink_unicast+0x449/0x710 [ 6357.098928][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.098928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.098928][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.098928][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.098928][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.098928][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.098928][ T72] [ 6357.100480][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6357.100480][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6357.100480][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6357.100480][ T72] ipv6_find_idev+0x102/0x170 [ 6357.100480][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.100480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.100480][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.100480][ T72] netlink_unicast+0x449/0x710 [ 6357.100480][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.100480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.100480][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.100480][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.100480][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.100480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.100480][ T72] [ 6357.102197][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6357.102479][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6357.102479][ T72] dst_init+0x84/0x4a0 [ 6357.102479][ T72] dst_alloc+0x97/0x150 [ 6357.102479][ T72] ip6_dst_alloc+0x23/0x90 [ 6357.102479][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6357.102479][ T72] ip6_pol_route+0x56f/0x840 [ 6357.102479][ T72] fib6_rule_lookup+0x456/0x630 [ 6357.102479][ T72] ip6_route_input+0x59c/0xa50 [ 6357.102479][ T72] ipv6_rcv+0x397/0x810 [ 6357.102479][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6357.102479][ T72] process_backlog+0x101/0x620 [ 6357.102479][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6357.102479][ T72] net_rx_action+0x495/0xbe0 [ 6357.102479][ T72] __do_softirq+0x1b5/0x7f6 [ 6357.102479][ T72] [ 6357.104137][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6357.104137][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.104137][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.104137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.104137][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6357.104137][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6357.104137][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6357.104137][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6357.104137][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6357.104137][ T72] addrconf_dad_begin+0x310/0x670 [ 6357.104137][ T72] addrconf_dad_work+0x10b/0xab0 [ 6357.104137][ T72] process_one_work+0x84d/0x18a0 [ 6357.104137][ T72] worker_thread+0x587/0xd30 [ 6357.104137][ T72] kthread+0x28a/0x350 [ 6357.104137][ T72] ret_from_fork+0x31/0x70 [ 6357.104137][ T72] ret_from_fork_asm+0x1a/0x30 [ 6357.104137][ T72] [ 6357.106052][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6357.106052][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.106052][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.106052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.106052][ T72] ip6_route_add+0x1c/0x140 [ 6357.106052][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6357.106052][ T72] inet6_addr_add+0x4f8/0xa40 [ 6357.106052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.106052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.106052][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.106052][ T72] netlink_unicast+0x449/0x710 [ 6357.106052][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.106052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.106052][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.106052][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.106052][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.106052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.106052][ T72] [ 6357.108593][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6357.108593][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.108593][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.108593][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.108593][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6357.108593][ T72] ipv6_add_addr+0x411/0x2000 [ 6357.108593][ T72] inet6_addr_add+0x30e/0xa40 [ 6357.108593][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.108593][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.108593][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.108593][ T72] netlink_unicast+0x449/0x710 [ 6357.108593][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.108593][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.108593][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.108593][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.108593][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.108593][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.108593][ T72] [ 6357.139346][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6357.139346][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.139346][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.139346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.139346][ T72] ip6_route_add+0x1c/0x140 [ 6357.139346][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6357.139346][ T72] addrconf_add_dev+0xe2/0x170 [ 6357.139346][ T72] inet6_addr_add+0x12f/0xa40 [ 6357.139346][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.139346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.139346][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.139346][ T72] netlink_unicast+0x449/0x710 [ 6357.139346][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.139346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.139346][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.139346][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.139346][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.139346][ T72] [ 6357.141338][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6357.141338][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6357.141338][ T72] ipv6_find_idev+0x102/0x170 [ 6357.141338][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.141338][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.141338][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.141338][ T72] netlink_unicast+0x449/0x710 [ 6357.141338][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.141338][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.141338][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.141338][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.141338][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.141338][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.141338][ T72] [ 6357.142885][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6357.142885][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6357.142885][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6357.142885][ T72] ipv6_find_idev+0x102/0x170 [ 6357.142885][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.142885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.142885][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.142885][ T72] netlink_unicast+0x449/0x710 [ 6357.142885][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.142885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.142885][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.142885][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.142885][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.142885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.142885][ T72] [ 6357.144732][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6357.145030][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6357.145030][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6357.145030][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6357.145030][ T72] fib6_nh_init+0xa22/0x1580 [ 6357.145030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.145030][ T72] ip6_route_add+0x1c/0x140 [ 6357.145030][ T72] inet6_rtm_newroute+0x104/0x110 [ 6357.145030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.145030][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.145030][ T72] netlink_unicast+0x449/0x710 [ 6357.145030][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.145030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.145030][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.145030][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.145030][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.145030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.145030][ T72] [ 6357.147220][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6357.147220][ T72] dst_init+0x84/0x4a0 [ 6357.147220][ T72] dst_alloc+0x97/0x150 [ 6357.147220][ T72] ip6_dst_alloc+0x23/0x90 [ 6357.147220][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6357.147220][ T72] ip6_pol_route+0x56f/0x840 [ 6357.147220][ T72] fib6_rule_lookup+0x456/0x630 [ 6357.147220][ T72] ip6_route_input+0x59c/0xa50 [ 6357.147220][ T72] ipv6_rcv+0x397/0x810 [ 6357.147220][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6357.147220][ T72] process_backlog+0x101/0x620 [ 6357.147220][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6357.147220][ T72] net_rx_action+0x495/0xbe0 [ 6357.147220][ T72] __do_softirq+0x1b5/0x7f6 [ 6357.147220][ T72] [ 6357.149045][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6357.149045][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.149045][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.149045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.149045][ T72] ip6_route_add+0x1c/0x140 [ 6357.149045][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6357.149045][ T72] inet6_addr_add+0x4f8/0xa40 [ 6357.149045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.149045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.149045][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.149045][ T72] netlink_unicast+0x449/0x710 [ 6357.149045][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.149045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.149045][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.149045][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.149045][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.149045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.149045][ T72] [ 6357.151230][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6357.151230][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.151230][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.151230][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.151230][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6357.151230][ T72] ipv6_add_addr+0x411/0x2000 [ 6357.151230][ T72] inet6_addr_add+0x30e/0xa40 [ 6357.151230][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.151230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.151230][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.151230][ T72] netlink_unicast+0x449/0x710 [ 6357.151230][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.151230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.151230][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.151230][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.151230][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.151230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.151230][ T72] [ 6357.153495][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6357.153495][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.153495][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.153495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.153495][ T72] ip6_route_add+0x1c/0x140 [ 6357.153495][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6357.153495][ T72] addrconf_add_dev+0xe2/0x170 [ 6357.153495][ T72] inet6_addr_add+0x12f/0xa40 [ 6357.153495][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.153495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.153495][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.153495][ T72] netlink_unicast+0x449/0x710 [ 6357.153495][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.153495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.153495][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.153495][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.153495][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.153495][ T72] [ 6357.155758][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6357.155758][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6357.155758][ T72] ipv6_find_idev+0x102/0x170 [ 6357.155758][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.155758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.155758][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.155758][ T72] netlink_unicast+0x449/0x710 [ 6357.155758][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.155758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.155758][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.155758][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.155758][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.155758][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.155758][ T72] [ 6357.157436][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6357.157436][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6357.157436][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6357.157436][ T72] ipv6_find_idev+0x102/0x170 [ 6357.157436][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.157436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.157436][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.157436][ T72] netlink_unicast+0x449/0x710 [ 6357.157436][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.157436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.157436][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.157436][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.157436][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.157436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.157436][ T72] [ 6357.159323][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6357.159665][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6357.159665][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.159665][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.159665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.159665][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6357.159665][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6357.159665][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6357.159665][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6357.159665][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6357.159665][ T72] addrconf_dad_begin+0x310/0x670 [ 6357.159665][ T72] addrconf_dad_work+0x10b/0xab0 [ 6357.159665][ T72] process_one_work+0x84d/0x18a0 [ 6357.159665][ T72] worker_thread+0x587/0xd30 [ 6357.159665][ T72] kthread+0x28a/0x350 [ 6357.159665][ T72] ret_from_fork+0x31/0x70 [ 6357.159665][ T72] ret_from_fork_asm+0x1a/0x30 [ 6357.159665][ T72] [ 6357.161699][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6357.161699][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.161699][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.161699][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.161699][ T72] ip6_route_add+0x1c/0x140 [ 6357.161699][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6357.161699][ T72] inet6_addr_add+0x4f8/0xa40 [ 6357.161699][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.161699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.161699][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.161699][ T72] netlink_unicast+0x449/0x710 [ 6357.161699][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.161699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.161699][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.161699][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.161699][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.161699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.161699][ T72] [ 6357.163941][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6357.163941][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.163941][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.163941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.163941][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6357.163941][ T72] ipv6_add_addr+0x411/0x2000 [ 6357.163941][ T72] inet6_addr_add+0x30e/0xa40 [ 6357.163941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.163941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.163941][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.163941][ T72] netlink_unicast+0x449/0x710 [ 6357.163941][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.163941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.163941][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.163941][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.163941][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.163941][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.163941][ T72] [ 6357.166265][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6357.166265][ T72] netdev_get_by_index+0x5e/0x80 [ 6357.166265][ T72] fib6_nh_init+0x3d8/0x1580 [ 6357.166265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6357.166265][ T72] ip6_route_add+0x1c/0x140 [ 6357.166265][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6357.166265][ T72] addrconf_add_dev+0xe2/0x170 [ 6357.166265][ T72] inet6_addr_add+0x12f/0xa40 [ 6357.166265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.166265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.166265][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.166265][ T72] netlink_unicast+0x449/0x710 [ 6357.166265][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.166265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.166265][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.166265][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.166265][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.166265][ T72] [ 6357.168487][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6357.168487][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6357.168487][ T72] ipv6_find_idev+0x102/0x170 [ 6357.168487][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.168487][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.168487][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.168487][ T72] netlink_unicast+0x449/0x710 [ 6357.168487][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.168487][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.168487][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.168487][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.168487][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.168487][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.168487][ T72] [ 6357.170219][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6357.170219][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6357.170219][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6357.170219][ T72] ipv6_find_idev+0x102/0x170 [ 6357.170219][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.170219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.170219][ T72] netlink_rcv_skb+0x130/0x360 [ 6357.170219][ T72] netlink_unicast+0x449/0x710 [ 6357.170219][ T72] netlink_sendmsg+0x723/0xbe0 [ 6357.170219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6357.170219][ T72] ___sys_sendmsg+0xee/0x170 [ 6357.170219][ T72] __sys_sendmsg+0xcd/0x170 [ 6357.170219][ T72] do_syscall_64+0xc6/0x1e0 [ 6357.170219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.170219][ T72] [ 6367.241092][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6367.241833][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6367.241833][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6367.241833][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6367.241833][ T72] fib6_nh_init+0xa22/0x1580 [ 6367.241833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.241833][ T72] ip6_route_add+0x1c/0x140 [ 6367.241833][ T72] inet6_rtm_newroute+0x104/0x110 [ 6367.241833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.241833][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.241833][ T72] netlink_unicast+0x449/0x710 [ 6367.241833][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.241833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.241833][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.241833][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.241833][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.241833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.241833][ T72] [ 6367.243756][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6367.243756][ T72] dst_init+0x84/0x4a0 [ 6367.243756][ T72] dst_alloc+0x97/0x150 [ 6367.243756][ T72] ip6_dst_alloc+0x23/0x90 [ 6367.243756][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6367.243756][ T72] ip6_pol_route+0x56f/0x840 [ 6367.243756][ T72] fib6_rule_lookup+0x456/0x630 [ 6367.243756][ T72] ip6_route_input+0x59c/0xa50 [ 6367.243756][ T72] ipv6_rcv+0x397/0x810 [ 6367.243756][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6367.243756][ T72] process_backlog+0x101/0x620 [ 6367.243756][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6367.243756][ T72] net_rx_action+0x495/0xbe0 [ 6367.243756][ T72] __do_softirq+0x1b5/0x7f6 [ 6367.243756][ T72] [ 6367.245400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6367.245400][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.245400][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.245400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.245400][ T72] ip6_route_add+0x1c/0x140 [ 6367.245400][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6367.245400][ T72] inet6_addr_add+0x4f8/0xa40 [ 6367.245400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.245400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.245400][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.245400][ T72] netlink_unicast+0x449/0x710 [ 6367.245400][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.245400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.245400][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.245400][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.245400][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.245400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.245400][ T72] [ 6367.247418][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6367.247418][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.247418][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.247418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.247418][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6367.247418][ T72] ipv6_add_addr+0x411/0x2000 [ 6367.247418][ T72] inet6_addr_add+0x30e/0xa40 [ 6367.247418][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.247418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.247418][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.247418][ T72] netlink_unicast+0x449/0x710 [ 6367.247418][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.247418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.247418][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.247418][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.247418][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.247418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.247418][ T72] [ 6367.249442][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6367.249442][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.249442][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.249442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.249442][ T72] ip6_route_add+0x1c/0x140 [ 6367.249442][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6367.249442][ T72] addrconf_add_dev+0xe2/0x170 [ 6367.249442][ T72] inet6_addr_add+0x12f/0xa40 [ 6367.249442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.249442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.249442][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.249442][ T72] netlink_unicast+0x449/0x710 [ 6367.249442][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.249442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.249442][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.249442][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.249442][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.249442][ T72] [ 6367.251443][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6367.251443][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6367.251443][ T72] ipv6_find_idev+0x102/0x170 [ 6367.251443][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.251443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.251443][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.251443][ T72] netlink_unicast+0x449/0x710 [ 6367.251443][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.251443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.251443][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.251443][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.251443][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.251443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.251443][ T72] [ 6367.280249][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6367.280249][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6367.280249][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6367.280249][ T72] ipv6_find_idev+0x102/0x170 [ 6367.280249][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.280249][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.280249][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.280249][ T72] netlink_unicast+0x449/0x710 [ 6367.280249][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.280249][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.280249][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.280249][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.280249][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.280249][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.280249][ T72] [ 6367.281986][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6367.282263][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6367.282263][ T72] dst_init+0x84/0x4a0 [ 6367.282263][ T72] dst_alloc+0x97/0x150 [ 6367.282263][ T72] ip6_dst_alloc+0x23/0x90 [ 6367.282263][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6367.282263][ T72] ip6_pol_route+0x56f/0x840 [ 6367.282263][ T72] fib6_rule_lookup+0x456/0x630 [ 6367.282263][ T72] ip6_route_input+0x59c/0xa50 [ 6367.282263][ T72] ipv6_rcv+0x397/0x810 [ 6367.282263][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6367.282263][ T72] process_backlog+0x101/0x620 [ 6367.282263][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6367.282263][ T72] net_rx_action+0x495/0xbe0 [ 6367.282263][ T72] __do_softirq+0x1b5/0x7f6 [ 6367.282263][ T72] [ 6367.283922][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6367.283922][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.283922][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.283922][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.283922][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6367.283922][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6367.283922][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6367.283922][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6367.283922][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6367.283922][ T72] addrconf_dad_begin+0x310/0x670 [ 6367.283922][ T72] addrconf_dad_work+0x10b/0xab0 [ 6367.283922][ T72] process_one_work+0x84d/0x18a0 [ 6367.283922][ T72] worker_thread+0x587/0xd30 [ 6367.283922][ T72] kthread+0x28a/0x350 [ 6367.283922][ T72] ret_from_fork+0x31/0x70 [ 6367.283922][ T72] ret_from_fork_asm+0x1a/0x30 [ 6367.283922][ T72] [ 6367.285856][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6367.285856][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.285856][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.285856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.285856][ T72] ip6_route_add+0x1c/0x140 [ 6367.285856][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6367.285856][ T72] inet6_addr_add+0x4f8/0xa40 [ 6367.285856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.285856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.285856][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.285856][ T72] netlink_unicast+0x449/0x710 [ 6367.285856][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.285856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.285856][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.285856][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.285856][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.285856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.285856][ T72] [ 6367.287866][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6367.287866][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.287866][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.287866][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.287866][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6367.287866][ T72] ipv6_add_addr+0x411/0x2000 [ 6367.287866][ T72] inet6_addr_add+0x30e/0xa40 [ 6367.287866][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.287866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.287866][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.287866][ T72] netlink_unicast+0x449/0x710 [ 6367.287866][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.287866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.287866][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.287866][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.287866][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.287866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.287866][ T72] [ 6367.289881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6367.289881][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.289881][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.289881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.289881][ T72] ip6_route_add+0x1c/0x140 [ 6367.289881][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6367.289881][ T72] addrconf_add_dev+0xe2/0x170 [ 6367.289881][ T72] inet6_addr_add+0x12f/0xa40 [ 6367.289881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.289881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.289881][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.289881][ T72] netlink_unicast+0x449/0x710 [ 6367.289881][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.289881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.289881][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.289881][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.289881][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.289881][ T72] [ 6367.291858][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6367.291858][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6367.291858][ T72] ipv6_find_idev+0x102/0x170 [ 6367.291858][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.291858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.291858][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.291858][ T72] netlink_unicast+0x449/0x710 [ 6367.291858][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.291858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.291858][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.291858][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.291858][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.291858][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.291858][ T72] [ 6367.293407][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6367.293407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6367.293407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6367.293407][ T72] ipv6_find_idev+0x102/0x170 [ 6367.293407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.293407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.293407][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.293407][ T72] netlink_unicast+0x449/0x710 [ 6367.293407][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.293407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.293407][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.293407][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.293407][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.293407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.293407][ T72] [ 6367.295227][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6367.295504][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6367.295504][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6367.295504][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6367.295504][ T72] fib6_nh_init+0xa22/0x1580 [ 6367.295504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.295504][ T72] ip6_route_add+0x1c/0x140 [ 6367.295504][ T72] inet6_rtm_newroute+0x104/0x110 [ 6367.295504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.295504][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.295504][ T72] netlink_unicast+0x449/0x710 [ 6367.295504][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.295504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.295504][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.295504][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.295504][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.295504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.295504][ T72] [ 6367.297704][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6367.297704][ T72] dst_init+0x84/0x4a0 [ 6367.297704][ T72] dst_alloc+0x97/0x150 [ 6367.297704][ T72] ip6_dst_alloc+0x23/0x90 [ 6367.297704][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6367.297704][ T72] ip6_pol_route+0x56f/0x840 [ 6367.297704][ T72] fib6_rule_lookup+0x456/0x630 [ 6367.297704][ T72] ip6_route_input+0x59c/0xa50 [ 6367.297704][ T72] ipv6_rcv+0x397/0x810 [ 6367.297704][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6367.297704][ T72] process_backlog+0x101/0x620 [ 6367.297704][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6367.297704][ T72] net_rx_action+0x495/0xbe0 [ 6367.297704][ T72] __do_softirq+0x1b5/0x7f6 [ 6367.297704][ T72] [ 6367.299536][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6367.299536][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.299536][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.299536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.299536][ T72] ip6_route_add+0x1c/0x140 [ 6367.299536][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6367.299536][ T72] inet6_addr_add+0x4f8/0xa40 [ 6367.299536][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.299536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.299536][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.299536][ T72] netlink_unicast+0x449/0x710 [ 6367.299536][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.299536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.299536][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.299536][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.299536][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.299536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.299536][ T72] [ 6367.301713][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6367.301713][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.301713][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.301713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.301713][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6367.301713][ T72] ipv6_add_addr+0x411/0x2000 [ 6367.301713][ T72] inet6_addr_add+0x30e/0xa40 [ 6367.301713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.301713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.301713][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.301713][ T72] netlink_unicast+0x449/0x710 [ 6367.301713][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.301713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.301713][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.301713][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.301713][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.301713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.301713][ T72] [ 6367.303994][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6367.303994][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.303994][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.303994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.303994][ T72] ip6_route_add+0x1c/0x140 [ 6367.303994][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6367.303994][ T72] addrconf_add_dev+0xe2/0x170 [ 6367.303994][ T72] inet6_addr_add+0x12f/0xa40 [ 6367.303994][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.303994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.303994][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.303994][ T72] netlink_unicast+0x449/0x710 [ 6367.303994][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.303994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.303994][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.303994][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.303994][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.303994][ T72] [ 6367.306270][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6367.306270][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6367.306270][ T72] ipv6_find_idev+0x102/0x170 [ 6367.306270][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.306270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.306270][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.306270][ T72] netlink_unicast+0x449/0x710 [ 6367.306270][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.306270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.306270][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.306270][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.306270][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.306270][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.306270][ T72] [ 6367.307997][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6367.307997][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6367.307997][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6367.307997][ T72] ipv6_find_idev+0x102/0x170 [ 6367.307997][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.307997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.307997][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.307997][ T72] netlink_unicast+0x449/0x710 [ 6367.307997][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.307997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.307997][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.307997][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.307997][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.307997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.307997][ T72] [ 6367.309884][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6367.310227][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6367.310227][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.310227][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.310227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.310227][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6367.310227][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6367.310227][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6367.310227][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6367.310227][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6367.310227][ T72] addrconf_dad_begin+0x310/0x670 [ 6367.310227][ T72] addrconf_dad_work+0x10b/0xab0 [ 6367.310227][ T72] process_one_work+0x84d/0x18a0 [ 6367.310227][ T72] worker_thread+0x587/0xd30 [ 6367.310227][ T72] kthread+0x28a/0x350 [ 6367.310227][ T72] ret_from_fork+0x31/0x70 [ 6367.310227][ T72] ret_from_fork_asm+0x1a/0x30 [ 6367.310227][ T72] [ 6367.312337][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6367.312337][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.312337][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.312337][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.312337][ T72] ip6_route_add+0x1c/0x140 [ 6367.312337][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6367.312337][ T72] inet6_addr_add+0x4f8/0xa40 [ 6367.312337][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.312337][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.312337][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.312337][ T72] netlink_unicast+0x449/0x710 [ 6367.312337][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.312337][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.312337][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.312337][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.312337][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.312337][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.312337][ T72] [ 6367.314590][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6367.314590][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.314590][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.314590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.314590][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6367.314590][ T72] ipv6_add_addr+0x411/0x2000 [ 6367.314590][ T72] inet6_addr_add+0x30e/0xa40 [ 6367.314590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.314590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.314590][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.314590][ T72] netlink_unicast+0x449/0x710 [ 6367.314590][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.314590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.314590][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.314590][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.314590][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.314590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.314590][ T72] [ 6367.316898][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6367.316898][ T72] netdev_get_by_index+0x5e/0x80 [ 6367.316898][ T72] fib6_nh_init+0x3d8/0x1580 [ 6367.316898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6367.316898][ T72] ip6_route_add+0x1c/0x140 [ 6367.316898][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6367.316898][ T72] addrconf_add_dev+0xe2/0x170 [ 6367.316898][ T72] inet6_addr_add+0x12f/0xa40 [ 6367.316898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.316898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.316898][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.316898][ T72] netlink_unicast+0x449/0x710 [ 6367.316898][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.316898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.316898][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.316898][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.316898][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.316898][ T72] [ 6367.319141][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6367.319141][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6367.319141][ T72] ipv6_find_idev+0x102/0x170 [ 6367.319141][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.319141][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.319141][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.319141][ T72] netlink_unicast+0x449/0x710 [ 6367.319141][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.319141][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.319141][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.319141][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.319141][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.319141][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.319141][ T72] [ 6367.320881][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6367.320881][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6367.320881][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6367.320881][ T72] ipv6_find_idev+0x102/0x170 [ 6367.320881][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.320881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.320881][ T72] netlink_rcv_skb+0x130/0x360 [ 6367.320881][ T72] netlink_unicast+0x449/0x710 [ 6367.320881][ T72] netlink_sendmsg+0x723/0xbe0 [ 6367.320881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6367.320881][ T72] ___sys_sendmsg+0xee/0x170 [ 6367.320881][ T72] __sys_sendmsg+0xcd/0x170 [ 6367.320881][ T72] do_syscall_64+0xc6/0x1e0 [ 6367.320881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.320881][ T72] [ 6377.448925][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6377.449438][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6377.449438][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6377.449438][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6377.449438][ T72] fib6_nh_init+0xa22/0x1580 [ 6377.449438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.449438][ T72] ip6_route_add+0x1c/0x140 [ 6377.449438][ T72] inet6_rtm_newroute+0x104/0x110 [ 6377.449438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.449438][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.449438][ T72] netlink_unicast+0x449/0x710 [ 6377.449438][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.449438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.449438][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.449438][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.449438][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.449438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.449438][ T72] [ 6377.451358][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6377.451358][ T72] dst_init+0x84/0x4a0 [ 6377.451358][ T72] dst_alloc+0x97/0x150 [ 6377.451358][ T72] ip6_dst_alloc+0x23/0x90 [ 6377.451358][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6377.451358][ T72] ip6_pol_route+0x56f/0x840 [ 6377.451358][ T72] fib6_rule_lookup+0x456/0x630 [ 6377.451358][ T72] ip6_route_input+0x59c/0xa50 [ 6377.451358][ T72] ipv6_rcv+0x397/0x810 [ 6377.451358][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6377.451358][ T72] process_backlog+0x101/0x620 [ 6377.451358][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6377.451358][ T72] net_rx_action+0x495/0xbe0 [ 6377.451358][ T72] __do_softirq+0x1b5/0x7f6 [ 6377.451358][ T72] [ 6377.453012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6377.453012][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.453012][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.453012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.453012][ T72] ip6_route_add+0x1c/0x140 [ 6377.453012][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6377.453012][ T72] inet6_addr_add+0x4f8/0xa40 [ 6377.453012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.453012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.453012][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.453012][ T72] netlink_unicast+0x449/0x710 [ 6377.453012][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.453012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.453012][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.453012][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.453012][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.453012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.453012][ T72] [ 6377.455027][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6377.455027][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.455027][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.455027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.455027][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6377.455027][ T72] ipv6_add_addr+0x411/0x2000 [ 6377.455027][ T72] inet6_addr_add+0x30e/0xa40 [ 6377.455027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.455027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.455027][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.455027][ T72] netlink_unicast+0x449/0x710 [ 6377.455027][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.455027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.455027][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.455027][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.455027][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.455027][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.455027][ T72] [ 6377.457036][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6377.457036][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.457036][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.457036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.457036][ T72] ip6_route_add+0x1c/0x140 [ 6377.457036][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6377.457036][ T72] addrconf_add_dev+0xe2/0x170 [ 6377.457036][ T72] inet6_addr_add+0x12f/0xa40 [ 6377.457036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.457036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.457036][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.457036][ T72] netlink_unicast+0x449/0x710 [ 6377.457036][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.457036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.457036][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.457036][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.457036][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.457036][ T72] [ 6377.459050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6377.459050][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6377.459050][ T72] ipv6_find_idev+0x102/0x170 [ 6377.459050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.459050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.459050][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.459050][ T72] netlink_unicast+0x449/0x710 [ 6377.459050][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.459050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.459050][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.459050][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.459050][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.459050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.459050][ T72] [ 6377.460600][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6377.460600][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6377.460600][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6377.460600][ T72] ipv6_find_idev+0x102/0x170 [ 6377.460600][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.460600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.460600][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.460600][ T72] netlink_unicast+0x449/0x710 [ 6377.460600][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.460600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.460600][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.460600][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.460600][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.460600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.460600][ T72] [ 6377.462323][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6377.462597][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6377.462597][ T72] dst_init+0x84/0x4a0 [ 6377.462597][ T72] dst_alloc+0x97/0x150 [ 6377.462597][ T72] ip6_dst_alloc+0x23/0x90 [ 6377.462597][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6377.462597][ T72] ip6_pol_route+0x56f/0x840 [ 6377.462597][ T72] fib6_rule_lookup+0x456/0x630 [ 6377.462597][ T72] ip6_route_input+0x59c/0xa50 [ 6377.462597][ T72] ipv6_rcv+0x397/0x810 [ 6377.462597][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6377.462597][ T72] process_backlog+0x101/0x620 [ 6377.462597][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6377.462597][ T72] net_rx_action+0x495/0xbe0 [ 6377.462597][ T72] __do_softirq+0x1b5/0x7f6 [ 6377.462597][ T72] [ 6377.464266][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6377.464266][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.464266][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.464266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.464266][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6377.464266][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6377.464266][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6377.464266][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6377.464266][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6377.464266][ T72] addrconf_dad_begin+0x310/0x670 [ 6377.464266][ T72] addrconf_dad_work+0x10b/0xab0 [ 6377.464266][ T72] process_one_work+0x84d/0x18a0 [ 6377.464266][ T72] worker_thread+0x587/0xd30 [ 6377.464266][ T72] kthread+0x28a/0x350 [ 6377.464266][ T72] ret_from_fork+0x31/0x70 [ 6377.464266][ T72] ret_from_fork_asm+0x1a/0x30 [ 6377.464266][ T72] [ 6377.466187][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6377.466187][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.466187][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.466187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.466187][ T72] ip6_route_add+0x1c/0x140 [ 6377.466187][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6377.466187][ T72] inet6_addr_add+0x4f8/0xa40 [ 6377.466187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.466187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.466187][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.466187][ T72] netlink_unicast+0x449/0x710 [ 6377.466187][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.466187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.466187][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.466187][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.466187][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.466187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.466187][ T72] [ 6377.468194][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6377.468194][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.468194][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.468194][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.468194][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6377.468194][ T72] ipv6_add_addr+0x411/0x2000 [ 6377.468194][ T72] inet6_addr_add+0x30e/0xa40 [ 6377.468194][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.468194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.468194][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.468194][ T72] netlink_unicast+0x449/0x710 [ 6377.468194][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.468194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.468194][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.468194][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.468194][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.468194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.468194][ T72] [ 6377.470206][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6377.470206][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.470206][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.470206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.470206][ T72] ip6_route_add+0x1c/0x140 [ 6377.470206][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6377.470206][ T72] addrconf_add_dev+0xe2/0x170 [ 6377.470206][ T72] inet6_addr_add+0x12f/0xa40 [ 6377.470206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.470206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.470206][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.470206][ T72] netlink_unicast+0x449/0x710 [ 6377.470206][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.470206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.470206][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.470206][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.470206][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.470206][ T72] [ 6377.472177][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6377.472177][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6377.472177][ T72] ipv6_find_idev+0x102/0x170 [ 6377.472177][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.472177][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.472177][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.472177][ T72] netlink_unicast+0x449/0x710 [ 6377.472177][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.472177][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.472177][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.472177][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.472177][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.472177][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.472177][ T72] [ 6377.473724][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6377.473724][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6377.473724][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6377.473724][ T72] ipv6_find_idev+0x102/0x170 [ 6377.473724][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.473724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.473724][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.473724][ T72] netlink_unicast+0x449/0x710 [ 6377.473724][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.473724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.473724][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.473724][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.473724][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.473724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.473724][ T72] [ 6377.475535][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6377.475807][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6377.475807][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6377.475807][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6377.475807][ T72] fib6_nh_init+0xa22/0x1580 [ 6377.475807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.475807][ T72] ip6_route_add+0x1c/0x140 [ 6377.475807][ T72] inet6_rtm_newroute+0x104/0x110 [ 6377.475807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.475807][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.475807][ T72] netlink_unicast+0x449/0x710 [ 6377.475807][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.475807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.475807][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.475807][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.475807][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.475807][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.475807][ T72] [ 6377.477997][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6377.477997][ T72] dst_init+0x84/0x4a0 [ 6377.477997][ T72] dst_alloc+0x97/0x150 [ 6377.477997][ T72] ip6_dst_alloc+0x23/0x90 [ 6377.477997][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6377.477997][ T72] ip6_pol_route+0x56f/0x840 [ 6377.477997][ T72] fib6_rule_lookup+0x456/0x630 [ 6377.477997][ T72] ip6_route_input+0x59c/0xa50 [ 6377.477997][ T72] ipv6_rcv+0x397/0x810 [ 6377.477997][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6377.477997][ T72] process_backlog+0x101/0x620 [ 6377.477997][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6377.477997][ T72] net_rx_action+0x495/0xbe0 [ 6377.477997][ T72] __do_softirq+0x1b5/0x7f6 [ 6377.477997][ T72] [ 6377.479823][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6377.479823][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.479823][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.479823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.479823][ T72] ip6_route_add+0x1c/0x140 [ 6377.479823][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6377.479823][ T72] inet6_addr_add+0x4f8/0xa40 [ 6377.479823][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.479823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.479823][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.479823][ T72] netlink_unicast+0x449/0x710 [ 6377.479823][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.479823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.479823][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.479823][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.479823][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.479823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.479823][ T72] [ 6377.481952][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6377.481952][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.481952][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.481952][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.481952][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6377.481952][ T72] ipv6_add_addr+0x411/0x2000 [ 6377.481952][ T72] inet6_addr_add+0x30e/0xa40 [ 6377.481952][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.481952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.481952][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.481952][ T72] netlink_unicast+0x449/0x710 [ 6377.481952][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.481952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.481952][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.481952][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.481952][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.481952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.481952][ T72] [ 6377.484197][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6377.484197][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.484197][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.484197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.484197][ T72] ip6_route_add+0x1c/0x140 [ 6377.484197][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6377.484197][ T72] addrconf_add_dev+0xe2/0x170 [ 6377.484197][ T72] inet6_addr_add+0x12f/0xa40 [ 6377.484197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.484197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.484197][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.484197][ T72] netlink_unicast+0x449/0x710 [ 6377.484197][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.484197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.484197][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.484197][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.484197][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.484197][ T72] [ 6377.486470][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6377.486470][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6377.486470][ T72] ipv6_find_idev+0x102/0x170 [ 6377.486470][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.486470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.486470][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.486470][ T72] netlink_unicast+0x449/0x710 [ 6377.486470][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.486470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.486470][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.486470][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.486470][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.486470][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.486470][ T72] [ 6377.488198][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6377.488198][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6377.488198][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6377.488198][ T72] ipv6_find_idev+0x102/0x170 [ 6377.488198][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.488198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.488198][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.488198][ T72] netlink_unicast+0x449/0x710 [ 6377.488198][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.488198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.488198][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.488198][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.488198][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.488198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.488198][ T72] [ 6377.490109][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6377.490450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6377.490450][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.490450][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.490450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.490450][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6377.490450][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6377.490450][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6377.490450][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6377.490450][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6377.490450][ T72] addrconf_dad_begin+0x310/0x670 [ 6377.490450][ T72] addrconf_dad_work+0x10b/0xab0 [ 6377.490450][ T72] process_one_work+0x84d/0x18a0 [ 6377.490450][ T72] worker_thread+0x587/0xd30 [ 6377.490450][ T72] kthread+0x28a/0x350 [ 6377.490450][ T72] ret_from_fork+0x31/0x70 [ 6377.490450][ T72] ret_from_fork_asm+0x1a/0x30 [ 6377.490450][ T72] [ 6377.492480][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6377.492480][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.492480][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.492480][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.492480][ T72] ip6_route_add+0x1c/0x140 [ 6377.492480][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6377.492480][ T72] inet6_addr_add+0x4f8/0xa40 [ 6377.492480][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.492480][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.492480][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.492480][ T72] netlink_unicast+0x449/0x710 [ 6377.492480][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.492480][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.492480][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.492480][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.492480][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.492480][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.492480][ T72] [ 6377.494724][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6377.494724][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.494724][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.494724][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.494724][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6377.494724][ T72] ipv6_add_addr+0x411/0x2000 [ 6377.494724][ T72] inet6_addr_add+0x30e/0xa40 [ 6377.494724][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.494724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.494724][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.494724][ T72] netlink_unicast+0x449/0x710 [ 6377.494724][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.494724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.494724][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.494724][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.494724][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.494724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.494724][ T72] [ 6377.497030][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6377.497030][ T72] netdev_get_by_index+0x5e/0x80 [ 6377.497030][ T72] fib6_nh_init+0x3d8/0x1580 [ 6377.497030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6377.497030][ T72] ip6_route_add+0x1c/0x140 [ 6377.497030][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6377.497030][ T72] addrconf_add_dev+0xe2/0x170 [ 6377.497030][ T72] inet6_addr_add+0x12f/0xa40 [ 6377.497030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.497030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.497030][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.497030][ T72] netlink_unicast+0x449/0x710 [ 6377.497030][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.497030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.497030][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.497030][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.497030][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.497030][ T72] [ 6377.499242][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6377.499242][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6377.499242][ T72] ipv6_find_idev+0x102/0x170 [ 6377.499242][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.499242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.499242][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.499242][ T72] netlink_unicast+0x449/0x710 [ 6377.499242][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.499242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.499242][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.499242][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.499242][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.499242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.499242][ T72] [ 6377.500963][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6377.500963][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6377.500963][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6377.500963][ T72] ipv6_find_idev+0x102/0x170 [ 6377.500963][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.500963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.500963][ T72] netlink_rcv_skb+0x130/0x360 [ 6377.500963][ T72] netlink_unicast+0x449/0x710 [ 6377.500963][ T72] netlink_sendmsg+0x723/0xbe0 [ 6377.500963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6377.500963][ T72] ___sys_sendmsg+0xee/0x170 [ 6377.500963][ T72] __sys_sendmsg+0xcd/0x170 [ 6377.500963][ T72] do_syscall_64+0xc6/0x1e0 [ 6377.500963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.500963][ T72] [ 6387.752920][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6387.753438][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6387.753438][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6387.753438][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6387.753438][ T72] fib6_nh_init+0xa22/0x1580 [ 6387.753438][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.753438][ T72] ip6_route_add+0x1c/0x140 [ 6387.753438][ T72] inet6_rtm_newroute+0x104/0x110 [ 6387.753438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.753438][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.753438][ T72] netlink_unicast+0x449/0x710 [ 6387.753438][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.753438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.753438][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.753438][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.753438][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.753438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.753438][ T72] [ 6387.755350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6387.755350][ T72] dst_init+0x84/0x4a0 [ 6387.755350][ T72] dst_alloc+0x97/0x150 [ 6387.755350][ T72] ip6_dst_alloc+0x23/0x90 [ 6387.755350][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6387.755350][ T72] ip6_pol_route+0x56f/0x840 [ 6387.755350][ T72] fib6_rule_lookup+0x456/0x630 [ 6387.755350][ T72] ip6_route_input+0x59c/0xa50 [ 6387.755350][ T72] ipv6_rcv+0x397/0x810 [ 6387.755350][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6387.755350][ T72] process_backlog+0x101/0x620 [ 6387.755350][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6387.755350][ T72] net_rx_action+0x495/0xbe0 [ 6387.755350][ T72] __do_softirq+0x1b5/0x7f6 [ 6387.755350][ T72] [ 6387.757012][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6387.757012][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.757012][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.757012][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.757012][ T72] ip6_route_add+0x1c/0x140 [ 6387.757012][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6387.757012][ T72] inet6_addr_add+0x4f8/0xa40 [ 6387.757012][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.757012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.757012][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.757012][ T72] netlink_unicast+0x449/0x710 [ 6387.757012][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.757012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.757012][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.757012][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.757012][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.757012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.757012][ T72] [ 6387.759030][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6387.759030][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.759030][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.759030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.759030][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6387.759030][ T72] ipv6_add_addr+0x411/0x2000 [ 6387.759030][ T72] inet6_addr_add+0x30e/0xa40 [ 6387.759030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.759030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.759030][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.759030][ T72] netlink_unicast+0x449/0x710 [ 6387.759030][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.759030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.759030][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.759030][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.759030][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.759030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.759030][ T72] [ 6387.761037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6387.761037][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.761037][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.761037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.761037][ T72] ip6_route_add+0x1c/0x140 [ 6387.761037][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6387.761037][ T72] addrconf_add_dev+0xe2/0x170 [ 6387.761037][ T72] inet6_addr_add+0x12f/0xa40 [ 6387.761037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.761037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.761037][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.761037][ T72] netlink_unicast+0x449/0x710 [ 6387.761037][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.761037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.761037][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.761037][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.761037][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.761037][ T72] [ 6387.763013][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6387.763013][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6387.763013][ T72] ipv6_find_idev+0x102/0x170 [ 6387.763013][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.763013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.763013][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.763013][ T72] netlink_unicast+0x449/0x710 [ 6387.763013][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.763013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.763013][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.763013][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.763013][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.763013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.763013][ T72] [ 6387.764556][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6387.764556][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6387.764556][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6387.764556][ T72] ipv6_find_idev+0x102/0x170 [ 6387.764556][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.764556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.764556][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.764556][ T72] netlink_unicast+0x449/0x710 [ 6387.764556][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.764556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.764556][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.764556][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.764556][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.764556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.764556][ T72] [ 6387.766280][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6387.766560][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6387.766560][ T72] dst_init+0x84/0x4a0 [ 6387.766560][ T72] dst_alloc+0x97/0x150 [ 6387.766560][ T72] ip6_dst_alloc+0x23/0x90 [ 6387.766560][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6387.766560][ T72] ip6_pol_route+0x56f/0x840 [ 6387.766560][ T72] fib6_rule_lookup+0x456/0x630 [ 6387.766560][ T72] ip6_route_input+0x59c/0xa50 [ 6387.766560][ T72] ipv6_rcv+0x397/0x810 [ 6387.766560][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6387.766560][ T72] process_backlog+0x101/0x620 [ 6387.766560][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6387.766560][ T72] net_rx_action+0x495/0xbe0 [ 6387.766560][ T72] __do_softirq+0x1b5/0x7f6 [ 6387.766560][ T72] [ 6387.768210][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6387.768210][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.768210][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.768210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.768210][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6387.768210][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6387.768210][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6387.768210][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6387.768210][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6387.768210][ T72] addrconf_dad_begin+0x310/0x670 [ 6387.768210][ T72] addrconf_dad_work+0x10b/0xab0 [ 6387.768210][ T72] process_one_work+0x84d/0x18a0 [ 6387.768210][ T72] worker_thread+0x587/0xd30 [ 6387.768210][ T72] kthread+0x28a/0x350 [ 6387.768210][ T72] ret_from_fork+0x31/0x70 [ 6387.768210][ T72] ret_from_fork_asm+0x1a/0x30 [ 6387.768210][ T72] [ 6387.770131][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6387.770131][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.770131][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.770131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.770131][ T72] ip6_route_add+0x1c/0x140 [ 6387.770131][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6387.770131][ T72] inet6_addr_add+0x4f8/0xa40 [ 6387.770131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.770131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.770131][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.770131][ T72] netlink_unicast+0x449/0x710 [ 6387.770131][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.770131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.770131][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.770131][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.770131][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.770131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.770131][ T72] [ 6387.772136][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6387.772136][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.772136][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.772136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.772136][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6387.772136][ T72] ipv6_add_addr+0x411/0x2000 [ 6387.772136][ T72] inet6_addr_add+0x30e/0xa40 [ 6387.772136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.772136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.772136][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.772136][ T72] netlink_unicast+0x449/0x710 [ 6387.772136][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.772136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.772136][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.772136][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.772136][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.772136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.772136][ T72] [ 6387.774136][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6387.774136][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.774136][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.774136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.774136][ T72] ip6_route_add+0x1c/0x140 [ 6387.774136][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6387.774136][ T72] addrconf_add_dev+0xe2/0x170 [ 6387.774136][ T72] inet6_addr_add+0x12f/0xa40 [ 6387.774136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.774136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.774136][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.774136][ T72] netlink_unicast+0x449/0x710 [ 6387.774136][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.774136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.774136][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.774136][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.774136][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.774136][ T72] [ 6387.776101][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6387.776101][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6387.776101][ T72] ipv6_find_idev+0x102/0x170 [ 6387.776101][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.776101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.776101][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.776101][ T72] netlink_unicast+0x449/0x710 [ 6387.776101][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.776101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.776101][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.776101][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.776101][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.776101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.776101][ T72] [ 6387.777646][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6387.777646][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6387.777646][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6387.777646][ T72] ipv6_find_idev+0x102/0x170 [ 6387.777646][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.777646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.777646][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.777646][ T72] netlink_unicast+0x449/0x710 [ 6387.777646][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.777646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.777646][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.777646][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.777646][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.777646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.777646][ T72] [ 6387.779508][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6387.779786][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6387.779786][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6387.779786][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6387.779786][ T72] fib6_nh_init+0xa22/0x1580 [ 6387.779786][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.779786][ T72] ip6_route_add+0x1c/0x140 [ 6387.779786][ T72] inet6_rtm_newroute+0x104/0x110 [ 6387.779786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.779786][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.779786][ T72] netlink_unicast+0x449/0x710 [ 6387.779786][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.779786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.779786][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.779786][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.779786][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.779786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.779786][ T72] [ 6387.781976][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6387.781976][ T72] dst_init+0x84/0x4a0 [ 6387.781976][ T72] dst_alloc+0x97/0x150 [ 6387.781976][ T72] ip6_dst_alloc+0x23/0x90 [ 6387.781976][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6387.781976][ T72] ip6_pol_route+0x56f/0x840 [ 6387.781976][ T72] fib6_rule_lookup+0x456/0x630 [ 6387.781976][ T72] ip6_route_input+0x59c/0xa50 [ 6387.781976][ T72] ipv6_rcv+0x397/0x810 [ 6387.781976][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6387.781976][ T72] process_backlog+0x101/0x620 [ 6387.781976][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6387.781976][ T72] net_rx_action+0x495/0xbe0 [ 6387.781976][ T72] __do_softirq+0x1b5/0x7f6 [ 6387.781976][ T72] [ 6387.783800][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6387.783800][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.783800][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.783800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.783800][ T72] ip6_route_add+0x1c/0x140 [ 6387.783800][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6387.783800][ T72] inet6_addr_add+0x4f8/0xa40 [ 6387.783800][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.783800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.783800][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.783800][ T72] netlink_unicast+0x449/0x710 [ 6387.783800][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.783800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.783800][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.783800][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.783800][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.783800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.783800][ T72] [ 6387.785986][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6387.785986][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.785986][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.785986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.785986][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6387.785986][ T72] ipv6_add_addr+0x411/0x2000 [ 6387.785986][ T72] inet6_addr_add+0x30e/0xa40 [ 6387.785986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.785986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.785986][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.785986][ T72] netlink_unicast+0x449/0x710 [ 6387.785986][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.785986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.785986][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.785986][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.785986][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.785986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.785986][ T72] [ 6387.788226][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6387.788226][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.788226][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.788226][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.788226][ T72] ip6_route_add+0x1c/0x140 [ 6387.788226][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6387.788226][ T72] addrconf_add_dev+0xe2/0x170 [ 6387.788226][ T72] inet6_addr_add+0x12f/0xa40 [ 6387.788226][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.788226][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.788226][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.788226][ T72] netlink_unicast+0x449/0x710 [ 6387.788226][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.788226][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.788226][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.788226][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.788226][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.788226][ T72] [ 6387.790518][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6387.790518][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6387.790518][ T72] ipv6_find_idev+0x102/0x170 [ 6387.790518][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.790518][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.790518][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.790518][ T72] netlink_unicast+0x449/0x710 [ 6387.790518][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.790518][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.790518][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.790518][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.790518][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.790518][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.790518][ T72] [ 6387.792244][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6387.792244][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6387.792244][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6387.792244][ T72] ipv6_find_idev+0x102/0x170 [ 6387.792244][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.792244][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.792244][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.792244][ T72] netlink_unicast+0x449/0x710 [ 6387.792244][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.792244][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.792244][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.792244][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.792244][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.792244][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.792244][ T72] [ 6387.794120][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6387.794459][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6387.794459][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.794459][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.794459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.794459][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6387.794459][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6387.794459][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6387.794459][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6387.794459][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6387.794459][ T72] addrconf_dad_begin+0x310/0x670 [ 6387.794459][ T72] addrconf_dad_work+0x10b/0xab0 [ 6387.794459][ T72] process_one_work+0x84d/0x18a0 [ 6387.794459][ T72] worker_thread+0x587/0xd30 [ 6387.794459][ T72] kthread+0x28a/0x350 [ 6387.794459][ T72] ret_from_fork+0x31/0x70 [ 6387.794459][ T72] ret_from_fork_asm+0x1a/0x30 [ 6387.794459][ T72] [ 6387.796496][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6387.796496][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.796496][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.796496][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.796496][ T72] ip6_route_add+0x1c/0x140 [ 6387.796496][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6387.796496][ T72] inet6_addr_add+0x4f8/0xa40 [ 6387.796496][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.796496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.796496][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.796496][ T72] netlink_unicast+0x449/0x710 [ 6387.796496][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.796496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.796496][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.796496][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.796496][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.796496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.796496][ T72] [ 6387.799275][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6387.799275][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.799275][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.799275][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.799275][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6387.799275][ T72] ipv6_add_addr+0x411/0x2000 [ 6387.799275][ T72] inet6_addr_add+0x30e/0xa40 [ 6387.799275][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.799275][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.799275][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.799275][ T72] netlink_unicast+0x449/0x710 [ 6387.799275][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.799275][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.799275][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.799275][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.799275][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.799275][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.799275][ T72] [ 6387.801575][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6387.801575][ T72] netdev_get_by_index+0x5e/0x80 [ 6387.801575][ T72] fib6_nh_init+0x3d8/0x1580 [ 6387.801575][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6387.801575][ T72] ip6_route_add+0x1c/0x140 [ 6387.801575][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6387.801575][ T72] addrconf_add_dev+0xe2/0x170 [ 6387.801575][ T72] inet6_addr_add+0x12f/0xa40 [ 6387.801575][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.801575][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.801575][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.801575][ T72] netlink_unicast+0x449/0x710 [ 6387.801575][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.801575][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.801575][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.801575][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.801575][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.801575][ T72] [ 6387.803784][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6387.803784][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6387.803784][ T72] ipv6_find_idev+0x102/0x170 [ 6387.803784][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.803784][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.803784][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.803784][ T72] netlink_unicast+0x449/0x710 [ 6387.803784][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.803784][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.803784][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.803784][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.803784][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.803784][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.803784][ T72] [ 6387.805506][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6387.805506][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6387.805506][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6387.805506][ T72] ipv6_find_idev+0x102/0x170 [ 6387.805506][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.805506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.805506][ T72] netlink_rcv_skb+0x130/0x360 [ 6387.805506][ T72] netlink_unicast+0x449/0x710 [ 6387.805506][ T72] netlink_sendmsg+0x723/0xbe0 [ 6387.805506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6387.805506][ T72] ___sys_sendmsg+0xee/0x170 [ 6387.805506][ T72] __sys_sendmsg+0xcd/0x170 [ 6387.805506][ T72] do_syscall_64+0xc6/0x1e0 [ 6387.805506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.805506][ T72] [ 6398.056948][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6398.057468][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6398.057468][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6398.057468][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6398.057468][ T72] fib6_nh_init+0xa22/0x1580 [ 6398.057468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.057468][ T72] ip6_route_add+0x1c/0x140 [ 6398.057468][ T72] inet6_rtm_newroute+0x104/0x110 [ 6398.057468][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.057468][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.057468][ T72] netlink_unicast+0x449/0x710 [ 6398.057468][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.057468][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.057468][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.057468][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.057468][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.057468][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.057468][ T72] [ 6398.059409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6398.059409][ T72] dst_init+0x84/0x4a0 [ 6398.059409][ T72] dst_alloc+0x97/0x150 [ 6398.059409][ T72] ip6_dst_alloc+0x23/0x90 [ 6398.059409][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6398.059409][ T72] ip6_pol_route+0x56f/0x840 [ 6398.059409][ T72] fib6_rule_lookup+0x456/0x630 [ 6398.059409][ T72] ip6_route_input+0x59c/0xa50 [ 6398.059409][ T72] ipv6_rcv+0x397/0x810 [ 6398.059409][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6398.059409][ T72] process_backlog+0x101/0x620 [ 6398.059409][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6398.059409][ T72] net_rx_action+0x495/0xbe0 [ 6398.059409][ T72] __do_softirq+0x1b5/0x7f6 [ 6398.059409][ T72] [ 6398.061069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6398.061069][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.061069][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.061069][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.061069][ T72] ip6_route_add+0x1c/0x140 [ 6398.061069][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6398.061069][ T72] inet6_addr_add+0x4f8/0xa40 [ 6398.061069][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.061069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.061069][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.061069][ T72] netlink_unicast+0x449/0x710 [ 6398.061069][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.061069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.061069][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.061069][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.061069][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.061069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.061069][ T72] [ 6398.063081][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6398.063081][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.063081][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.063081][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.063081][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6398.063081][ T72] ipv6_add_addr+0x411/0x2000 [ 6398.063081][ T72] inet6_addr_add+0x30e/0xa40 [ 6398.063081][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.063081][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.063081][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.063081][ T72] netlink_unicast+0x449/0x710 [ 6398.063081][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.063081][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.063081][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.063081][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.063081][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.063081][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.063081][ T72] [ 6398.065089][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6398.065089][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.065089][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.065089][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.065089][ T72] ip6_route_add+0x1c/0x140 [ 6398.065089][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6398.065089][ T72] addrconf_add_dev+0xe2/0x170 [ 6398.065089][ T72] inet6_addr_add+0x12f/0xa40 [ 6398.065089][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.065089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.065089][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.065089][ T72] netlink_unicast+0x449/0x710 [ 6398.065089][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.065089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.065089][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.065089][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.065089][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.065089][ T72] [ 6398.067079][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6398.067079][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6398.067079][ T72] ipv6_find_idev+0x102/0x170 [ 6398.067079][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.067079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.067079][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.067079][ T72] netlink_unicast+0x449/0x710 [ 6398.067079][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.067079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.067079][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.067079][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.067079][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.067079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.067079][ T72] [ 6398.068632][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6398.068632][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6398.068632][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6398.068632][ T72] ipv6_find_idev+0x102/0x170 [ 6398.068632][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.068632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.068632][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.068632][ T72] netlink_unicast+0x449/0x710 [ 6398.068632][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.068632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.068632][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.068632][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.068632][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.068632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.068632][ T72] [ 6398.070361][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6398.070638][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6398.070638][ T72] dst_init+0x84/0x4a0 [ 6398.070638][ T72] dst_alloc+0x97/0x150 [ 6398.070638][ T72] ip6_dst_alloc+0x23/0x90 [ 6398.070638][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6398.070638][ T72] ip6_pol_route+0x56f/0x840 [ 6398.070638][ T72] fib6_rule_lookup+0x456/0x630 [ 6398.070638][ T72] ip6_route_input+0x59c/0xa50 [ 6398.070638][ T72] ipv6_rcv+0x397/0x810 [ 6398.070638][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6398.070638][ T72] process_backlog+0x101/0x620 [ 6398.070638][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6398.070638][ T72] net_rx_action+0x495/0xbe0 [ 6398.070638][ T72] __do_softirq+0x1b5/0x7f6 [ 6398.070638][ T72] [ 6398.072295][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6398.072295][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.072295][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.072295][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.072295][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6398.072295][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6398.072295][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6398.072295][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6398.072295][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6398.072295][ T72] addrconf_dad_begin+0x310/0x670 [ 6398.072295][ T72] addrconf_dad_work+0x10b/0xab0 [ 6398.072295][ T72] process_one_work+0x84d/0x18a0 [ 6398.072295][ T72] worker_thread+0x587/0xd30 [ 6398.072295][ T72] kthread+0x28a/0x350 [ 6398.072295][ T72] ret_from_fork+0x31/0x70 [ 6398.072295][ T72] ret_from_fork_asm+0x1a/0x30 [ 6398.072295][ T72] [ 6398.074217][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6398.074217][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.074217][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.074217][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.074217][ T72] ip6_route_add+0x1c/0x140 [ 6398.074217][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6398.074217][ T72] inet6_addr_add+0x4f8/0xa40 [ 6398.074217][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.074217][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.074217][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.074217][ T72] netlink_unicast+0x449/0x710 [ 6398.074217][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.074217][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.074217][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.074217][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.074217][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.074217][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.074217][ T72] [ 6398.076216][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6398.076216][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.076216][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.076216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.076216][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6398.076216][ T72] ipv6_add_addr+0x411/0x2000 [ 6398.076216][ T72] inet6_addr_add+0x30e/0xa40 [ 6398.076216][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.076216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.076216][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.076216][ T72] netlink_unicast+0x449/0x710 [ 6398.076216][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.076216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.076216][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.076216][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.076216][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.076216][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.076216][ T72] [ 6398.078220][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6398.078220][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.078220][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.078220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.078220][ T72] ip6_route_add+0x1c/0x140 [ 6398.078220][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6398.078220][ T72] addrconf_add_dev+0xe2/0x170 [ 6398.078220][ T72] inet6_addr_add+0x12f/0xa40 [ 6398.078220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.078220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.078220][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.078220][ T72] netlink_unicast+0x449/0x710 [ 6398.078220][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.078220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.078220][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.078220][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.078220][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.078220][ T72] [ 6398.080192][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6398.080192][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6398.080192][ T72] ipv6_find_idev+0x102/0x170 [ 6398.080192][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.080192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.080192][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.080192][ T72] netlink_unicast+0x449/0x710 [ 6398.080192][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.080192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.080192][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.080192][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.080192][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.080192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.080192][ T72] [ 6398.081740][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6398.081740][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6398.081740][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6398.081740][ T72] ipv6_find_idev+0x102/0x170 [ 6398.081740][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.081740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.081740][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.081740][ T72] netlink_unicast+0x449/0x710 [ 6398.081740][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.081740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.081740][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.081740][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.081740][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.081740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.081740][ T72] [ 6398.083552][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6398.083827][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6398.083827][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6398.083827][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6398.083827][ T72] fib6_nh_init+0xa22/0x1580 [ 6398.083827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.083827][ T72] ip6_route_add+0x1c/0x140 [ 6398.083827][ T72] inet6_rtm_newroute+0x104/0x110 [ 6398.083827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.083827][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.083827][ T72] netlink_unicast+0x449/0x710 [ 6398.083827][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.083827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.083827][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.083827][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.083827][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.083827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.083827][ T72] [ 6398.086016][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6398.086016][ T72] dst_init+0x84/0x4a0 [ 6398.086016][ T72] dst_alloc+0x97/0x150 [ 6398.086016][ T72] ip6_dst_alloc+0x23/0x90 [ 6398.086016][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6398.086016][ T72] ip6_pol_route+0x56f/0x840 [ 6398.086016][ T72] fib6_rule_lookup+0x456/0x630 [ 6398.086016][ T72] ip6_route_input+0x59c/0xa50 [ 6398.086016][ T72] ipv6_rcv+0x397/0x810 [ 6398.086016][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6398.086016][ T72] process_backlog+0x101/0x620 [ 6398.086016][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6398.086016][ T72] net_rx_action+0x495/0xbe0 [ 6398.086016][ T72] __do_softirq+0x1b5/0x7f6 [ 6398.086016][ T72] [ 6398.087842][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6398.087842][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.087842][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.087842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.087842][ T72] ip6_route_add+0x1c/0x140 [ 6398.087842][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6398.087842][ T72] inet6_addr_add+0x4f8/0xa40 [ 6398.087842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.087842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.087842][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.087842][ T72] netlink_unicast+0x449/0x710 [ 6398.087842][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.087842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.087842][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.087842][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.087842][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.087842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.087842][ T72] [ 6398.090037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6398.090037][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.090037][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.090037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.090037][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6398.090037][ T72] ipv6_add_addr+0x411/0x2000 [ 6398.090037][ T72] inet6_addr_add+0x30e/0xa40 [ 6398.090037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.090037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.090037][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.090037][ T72] netlink_unicast+0x449/0x710 [ 6398.090037][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.090037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.090037][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.090037][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.090037][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.090037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.090037][ T72] [ 6398.092304][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6398.092304][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.092304][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.092304][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.092304][ T72] ip6_route_add+0x1c/0x140 [ 6398.092304][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6398.092304][ T72] addrconf_add_dev+0xe2/0x170 [ 6398.092304][ T72] inet6_addr_add+0x12f/0xa40 [ 6398.092304][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.092304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.092304][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.092304][ T72] netlink_unicast+0x449/0x710 [ 6398.092304][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.092304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.092304][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.092304][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.092304][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.092304][ T72] [ 6398.094564][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6398.094564][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6398.094564][ T72] ipv6_find_idev+0x102/0x170 [ 6398.094564][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.094564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.094564][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.094564][ T72] netlink_unicast+0x449/0x710 [ 6398.094564][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.094564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.094564][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.094564][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.094564][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.094564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.094564][ T72] [ 6398.096285][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6398.096285][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6398.096285][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6398.096285][ T72] ipv6_find_idev+0x102/0x170 [ 6398.096285][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.096285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.096285][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.096285][ T72] netlink_unicast+0x449/0x710 [ 6398.096285][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.096285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.096285][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.096285][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.096285][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.096285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.096285][ T72] [ 6398.098157][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6398.098508][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6398.098508][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.098508][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.098508][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.098508][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6398.098508][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6398.098508][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6398.098508][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6398.098508][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6398.098508][ T72] addrconf_dad_begin+0x310/0x670 [ 6398.098508][ T72] addrconf_dad_work+0x10b/0xab0 [ 6398.098508][ T72] process_one_work+0x84d/0x18a0 [ 6398.098508][ T72] worker_thread+0x587/0xd30 [ 6398.098508][ T72] kthread+0x28a/0x350 [ 6398.098508][ T72] ret_from_fork+0x31/0x70 [ 6398.098508][ T72] ret_from_fork_asm+0x1a/0x30 [ 6398.098508][ T72] [ 6398.100551][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6398.100551][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.100551][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.100551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.100551][ T72] ip6_route_add+0x1c/0x140 [ 6398.100551][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6398.100551][ T72] inet6_addr_add+0x4f8/0xa40 [ 6398.100551][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.100551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.100551][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.100551][ T72] netlink_unicast+0x449/0x710 [ 6398.100551][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.100551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.100551][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.100551][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.100551][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.100551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.100551][ T72] [ 6398.102813][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6398.102813][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.102813][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.102813][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.102813][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6398.102813][ T72] ipv6_add_addr+0x411/0x2000 [ 6398.102813][ T72] inet6_addr_add+0x30e/0xa40 [ 6398.102813][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.102813][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.102813][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.102813][ T72] netlink_unicast+0x449/0x710 [ 6398.102813][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.102813][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.102813][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.102813][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.102813][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.102813][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.102813][ T72] [ 6398.105121][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6398.105121][ T72] netdev_get_by_index+0x5e/0x80 [ 6398.105121][ T72] fib6_nh_init+0x3d8/0x1580 [ 6398.105121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6398.105121][ T72] ip6_route_add+0x1c/0x140 [ 6398.105121][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6398.105121][ T72] addrconf_add_dev+0xe2/0x170 [ 6398.105121][ T72] inet6_addr_add+0x12f/0xa40 [ 6398.105121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.105121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.105121][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.105121][ T72] netlink_unicast+0x449/0x710 [ 6398.105121][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.105121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.105121][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.105121][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.105121][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.105121][ T72] [ 6398.107333][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6398.107333][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6398.107333][ T72] ipv6_find_idev+0x102/0x170 [ 6398.107333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.107333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.107333][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.107333][ T72] netlink_unicast+0x449/0x710 [ 6398.107333][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.107333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.107333][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.107333][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.107333][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.107333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.107333][ T72] [ 6398.109063][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6398.109063][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6398.109063][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6398.109063][ T72] ipv6_find_idev+0x102/0x170 [ 6398.109063][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.109063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.109063][ T72] netlink_rcv_skb+0x130/0x360 [ 6398.109063][ T72] netlink_unicast+0x449/0x710 [ 6398.109063][ T72] netlink_sendmsg+0x723/0xbe0 [ 6398.109063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6398.109063][ T72] ___sys_sendmsg+0xee/0x170 [ 6398.109063][ T72] __sys_sendmsg+0xcd/0x170 [ 6398.109063][ T72] do_syscall_64+0xc6/0x1e0 [ 6398.109063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.109063][ T72] [ 6408.121034][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6408.121551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6408.121551][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6408.121551][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6408.121551][ T72] fib6_nh_init+0xa22/0x1580 [ 6408.121551][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.121551][ T72] ip6_route_add+0x1c/0x140 [ 6408.121551][ T72] inet6_rtm_newroute+0x104/0x110 [ 6408.121551][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.121551][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.121551][ T72] netlink_unicast+0x449/0x710 [ 6408.121551][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.121551][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.121551][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.121551][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.121551][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.121551][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.121551][ T72] [ 6408.123449][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6408.123449][ T72] dst_init+0x84/0x4a0 [ 6408.123449][ T72] dst_alloc+0x97/0x150 [ 6408.123449][ T72] ip6_dst_alloc+0x23/0x90 [ 6408.123449][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6408.123449][ T72] ip6_pol_route+0x56f/0x840 [ 6408.123449][ T72] fib6_rule_lookup+0x456/0x630 [ 6408.123449][ T72] ip6_route_input+0x59c/0xa50 [ 6408.123449][ T72] ipv6_rcv+0x397/0x810 [ 6408.123449][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6408.123449][ T72] process_backlog+0x101/0x620 [ 6408.123449][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6408.123449][ T72] net_rx_action+0x495/0xbe0 [ 6408.123449][ T72] __do_softirq+0x1b5/0x7f6 [ 6408.123449][ T72] [ 6408.125090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6408.125090][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.125090][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.125090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.125090][ T72] ip6_route_add+0x1c/0x140 [ 6408.125090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6408.125090][ T72] inet6_addr_add+0x4f8/0xa40 [ 6408.125090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.125090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.125090][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.125090][ T72] netlink_unicast+0x449/0x710 [ 6408.125090][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.125090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.125090][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.125090][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.125090][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.125090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.125090][ T72] [ 6408.127089][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6408.127089][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.127089][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.127089][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.127089][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6408.127089][ T72] ipv6_add_addr+0x411/0x2000 [ 6408.127089][ T72] inet6_addr_add+0x30e/0xa40 [ 6408.127089][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.127089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.127089][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.127089][ T72] netlink_unicast+0x449/0x710 [ 6408.127089][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.127089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.127089][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.127089][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.127089][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.127089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.127089][ T72] [ 6408.129103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6408.129103][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.129103][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.129103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.129103][ T72] ip6_route_add+0x1c/0x140 [ 6408.129103][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6408.129103][ T72] addrconf_add_dev+0xe2/0x170 [ 6408.129103][ T72] inet6_addr_add+0x12f/0xa40 [ 6408.129103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.129103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.129103][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.129103][ T72] netlink_unicast+0x449/0x710 [ 6408.129103][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.129103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.129103][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.129103][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.129103][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.129103][ T72] [ 6408.131068][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6408.131068][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6408.131068][ T72] ipv6_find_idev+0x102/0x170 [ 6408.131068][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.131068][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.131068][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.131068][ T72] netlink_unicast+0x449/0x710 [ 6408.131068][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.131068][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.131068][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.131068][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.131068][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.131068][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.131068][ T72] [ 6408.132598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6408.132598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6408.132598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6408.132598][ T72] ipv6_find_idev+0x102/0x170 [ 6408.132598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.132598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.132598][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.132598][ T72] netlink_unicast+0x449/0x710 [ 6408.132598][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.132598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.132598][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.132598][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.132598][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.132598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.132598][ T72] [ 6408.134287][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6408.134556][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6408.134556][ T72] dst_init+0x84/0x4a0 [ 6408.134556][ T72] dst_alloc+0x97/0x150 [ 6408.134556][ T72] ip6_dst_alloc+0x23/0x90 [ 6408.134556][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6408.134556][ T72] ip6_pol_route+0x56f/0x840 [ 6408.134556][ T72] fib6_rule_lookup+0x456/0x630 [ 6408.134556][ T72] ip6_route_input+0x59c/0xa50 [ 6408.134556][ T72] ipv6_rcv+0x397/0x810 [ 6408.134556][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6408.134556][ T72] process_backlog+0x101/0x620 [ 6408.134556][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6408.134556][ T72] net_rx_action+0x495/0xbe0 [ 6408.134556][ T72] __do_softirq+0x1b5/0x7f6 [ 6408.134556][ T72] [ 6408.136187][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6408.136187][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.136187][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.136187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.136187][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6408.136187][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6408.136187][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6408.136187][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6408.136187][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6408.136187][ T72] addrconf_dad_begin+0x310/0x670 [ 6408.136187][ T72] addrconf_dad_work+0x10b/0xab0 [ 6408.136187][ T72] process_one_work+0x84d/0x18a0 [ 6408.136187][ T72] worker_thread+0x587/0xd30 [ 6408.136187][ T72] kthread+0x28a/0x350 [ 6408.136187][ T72] ret_from_fork+0x31/0x70 [ 6408.136187][ T72] ret_from_fork_asm+0x1a/0x30 [ 6408.136187][ T72] [ 6408.138085][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6408.138085][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.138085][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.138085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.138085][ T72] ip6_route_add+0x1c/0x140 [ 6408.138085][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6408.138085][ T72] inet6_addr_add+0x4f8/0xa40 [ 6408.138085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.138085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.138085][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.138085][ T72] netlink_unicast+0x449/0x710 [ 6408.138085][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.138085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.138085][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.138085][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.138085][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.138085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.138085][ T72] [ 6408.140087][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6408.140087][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.140087][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.140087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.140087][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6408.140087][ T72] ipv6_add_addr+0x411/0x2000 [ 6408.140087][ T72] inet6_addr_add+0x30e/0xa40 [ 6408.140087][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.140087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.140087][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.140087][ T72] netlink_unicast+0x449/0x710 [ 6408.140087][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.140087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.140087][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.140087][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.140087][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.140087][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.140087][ T72] [ 6408.142067][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6408.142067][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.142067][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.142067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.142067][ T72] ip6_route_add+0x1c/0x140 [ 6408.142067][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6408.142067][ T72] addrconf_add_dev+0xe2/0x170 [ 6408.142067][ T72] inet6_addr_add+0x12f/0xa40 [ 6408.142067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.142067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.142067][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.142067][ T72] netlink_unicast+0x449/0x710 [ 6408.142067][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.142067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.142067][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.142067][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.142067][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.142067][ T72] [ 6408.144021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6408.144021][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6408.144021][ T72] ipv6_find_idev+0x102/0x170 [ 6408.144021][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.144021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.144021][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.144021][ T72] netlink_unicast+0x449/0x710 [ 6408.144021][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.144021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.144021][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.144021][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.144021][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.144021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.144021][ T72] [ 6408.145549][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6408.145549][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6408.145549][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6408.145549][ T72] ipv6_find_idev+0x102/0x170 [ 6408.145549][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.145549][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.145549][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.145549][ T72] netlink_unicast+0x449/0x710 [ 6408.145549][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.145549][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.145549][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.145549][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.145549][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.145549][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.145549][ T72] [ 6408.147291][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6408.147631][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6408.147631][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6408.147631][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6408.147631][ T72] fib6_nh_init+0xa22/0x1580 [ 6408.147631][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.147631][ T72] ip6_route_add+0x1c/0x140 [ 6408.147631][ T72] inet6_rtm_newroute+0x104/0x110 [ 6408.147631][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.147631][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.147631][ T72] netlink_unicast+0x449/0x710 [ 6408.147631][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.147631][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.147631][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.147631][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.147631][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.147631][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.147631][ T72] [ 6408.149678][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6408.149678][ T72] dst_init+0x84/0x4a0 [ 6408.149678][ T72] dst_alloc+0x97/0x150 [ 6408.149678][ T72] ip6_dst_alloc+0x23/0x90 [ 6408.149678][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6408.149678][ T72] ip6_pol_route+0x56f/0x840 [ 6408.149678][ T72] fib6_rule_lookup+0x456/0x630 [ 6408.149678][ T72] ip6_route_input+0x59c/0xa50 [ 6408.149678][ T72] ipv6_rcv+0x397/0x810 [ 6408.149678][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6408.149678][ T72] process_backlog+0x101/0x620 [ 6408.149678][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6408.149678][ T72] net_rx_action+0x495/0xbe0 [ 6408.149678][ T72] __do_softirq+0x1b5/0x7f6 [ 6408.149678][ T72] [ 6408.151481][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6408.151481][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.151481][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.151481][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.151481][ T72] ip6_route_add+0x1c/0x140 [ 6408.151481][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6408.151481][ T72] inet6_addr_add+0x4f8/0xa40 [ 6408.151481][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.151481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.151481][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.151481][ T72] netlink_unicast+0x449/0x710 [ 6408.151481][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.151481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.151481][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.151481][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.151481][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.151481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.151481][ T72] [ 6408.153702][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6408.153702][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.153702][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.153702][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.153702][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6408.153702][ T72] ipv6_add_addr+0x411/0x2000 [ 6408.153702][ T72] inet6_addr_add+0x30e/0xa40 [ 6408.153702][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.153702][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.153702][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.153702][ T72] netlink_unicast+0x449/0x710 [ 6408.153702][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.153702][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.153702][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.153702][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.153702][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.153702][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.153702][ T72] [ 6408.155941][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6408.155941][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.155941][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.155941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.155941][ T72] ip6_route_add+0x1c/0x140 [ 6408.155941][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6408.155941][ T72] addrconf_add_dev+0xe2/0x170 [ 6408.155941][ T72] inet6_addr_add+0x12f/0xa40 [ 6408.155941][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.155941][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.155941][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.155941][ T72] netlink_unicast+0x449/0x710 [ 6408.155941][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.155941][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.155941][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.155941][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.155941][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.155941][ T72] [ 6408.158196][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6408.158196][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6408.158196][ T72] ipv6_find_idev+0x102/0x170 [ 6408.158196][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.158196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.158196][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.158196][ T72] netlink_unicast+0x449/0x710 [ 6408.158196][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.158196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.158196][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.158196][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.158196][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.158196][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.158196][ T72] [ 6408.159915][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6408.159915][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6408.159915][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6408.159915][ T72] ipv6_find_idev+0x102/0x170 [ 6408.159915][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.159915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.159915][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.159915][ T72] netlink_unicast+0x449/0x710 [ 6408.159915][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.159915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.159915][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.159915][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.159915][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.159915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.159915][ T72] [ 6408.161783][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6408.162557][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6408.162557][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.162557][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.162557][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.162557][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6408.162557][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6408.162557][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6408.162557][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6408.162557][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6408.162557][ T72] addrconf_dad_begin+0x310/0x670 [ 6408.162557][ T72] addrconf_dad_work+0x10b/0xab0 [ 6408.162557][ T72] process_one_work+0x84d/0x18a0 [ 6408.162557][ T72] worker_thread+0x587/0xd30 [ 6408.162557][ T72] kthread+0x28a/0x350 [ 6408.162557][ T72] ret_from_fork+0x31/0x70 [ 6408.162557][ T72] ret_from_fork_asm+0x1a/0x30 [ 6408.162557][ T72] [ 6408.164450][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6408.164450][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.164450][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.164450][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.164450][ T72] ip6_route_add+0x1c/0x140 [ 6408.164450][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6408.164450][ T72] inet6_addr_add+0x4f8/0xa40 [ 6408.164450][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.164450][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.164450][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.164450][ T72] netlink_unicast+0x449/0x710 [ 6408.164450][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.164450][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.164450][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.164450][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.164450][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.164450][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.164450][ T72] [ 6408.166495][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6408.166495][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.166495][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.166495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.166495][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6408.166495][ T72] ipv6_add_addr+0x411/0x2000 [ 6408.166495][ T72] inet6_addr_add+0x30e/0xa40 [ 6408.166495][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.166495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.166495][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.166495][ T72] netlink_unicast+0x449/0x710 [ 6408.166495][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.166495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.166495][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.166495][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.166495][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.166495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.166495][ T72] [ 6408.168737][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6408.168737][ T72] netdev_get_by_index+0x5e/0x80 [ 6408.168737][ T72] fib6_nh_init+0x3d8/0x1580 [ 6408.168737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6408.168737][ T72] ip6_route_add+0x1c/0x140 [ 6408.168737][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6408.168737][ T72] addrconf_add_dev+0xe2/0x170 [ 6408.168737][ T72] inet6_addr_add+0x12f/0xa40 [ 6408.168737][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.168737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.168737][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.168737][ T72] netlink_unicast+0x449/0x710 [ 6408.168737][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.168737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.168737][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.168737][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.168737][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.168737][ T72] [ 6408.171017][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6408.171017][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6408.171017][ T72] ipv6_find_idev+0x102/0x170 [ 6408.171017][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.171017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.171017][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.171017][ T72] netlink_unicast+0x449/0x710 [ 6408.171017][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.171017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.171017][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.171017][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.171017][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.171017][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.171017][ T72] [ 6408.172738][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6408.172738][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6408.172738][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6408.172738][ T72] ipv6_find_idev+0x102/0x170 [ 6408.172738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.172738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.172738][ T72] netlink_rcv_skb+0x130/0x360 [ 6408.172738][ T72] netlink_unicast+0x449/0x710 [ 6408.172738][ T72] netlink_sendmsg+0x723/0xbe0 [ 6408.172738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6408.172738][ T72] ___sys_sendmsg+0xee/0x170 [ 6408.172738][ T72] __sys_sendmsg+0xcd/0x170 [ 6408.172738][ T72] do_syscall_64+0xc6/0x1e0 [ 6408.172738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.172738][ T72] [ 6418.416983][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6418.417564][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6418.417564][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6418.417564][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6418.417564][ T72] fib6_nh_init+0xa22/0x1580 [ 6418.417564][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.417564][ T72] ip6_route_add+0x1c/0x140 [ 6418.417564][ T72] inet6_rtm_newroute+0x104/0x110 [ 6418.417564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.417564][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.417564][ T72] netlink_unicast+0x449/0x710 [ 6418.417564][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.417564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.417564][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.417564][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.417564][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.417564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.417564][ T72] [ 6418.419687][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6418.419687][ T72] dst_init+0x84/0x4a0 [ 6418.419687][ T72] dst_alloc+0x97/0x150 [ 6418.419687][ T72] ip6_dst_alloc+0x23/0x90 [ 6418.419687][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6418.419687][ T72] ip6_pol_route+0x56f/0x840 [ 6418.419687][ T72] fib6_rule_lookup+0x456/0x630 [ 6418.419687][ T72] ip6_route_input+0x59c/0xa50 [ 6418.419687][ T72] ipv6_rcv+0x397/0x810 [ 6418.419687][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6418.419687][ T72] process_backlog+0x101/0x620 [ 6418.419687][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6418.419687][ T72] net_rx_action+0x495/0xbe0 [ 6418.419687][ T72] __do_softirq+0x1b5/0x7f6 [ 6418.419687][ T72] [ 6418.421516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6418.421516][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.421516][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.421516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.421516][ T72] ip6_route_add+0x1c/0x140 [ 6418.421516][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6418.421516][ T72] inet6_addr_add+0x4f8/0xa40 [ 6418.421516][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.421516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.421516][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.421516][ T72] netlink_unicast+0x449/0x710 [ 6418.421516][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.421516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.421516][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.421516][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.421516][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.421516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.421516][ T72] [ 6418.423745][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6418.423745][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.423745][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.423745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.423745][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6418.423745][ T72] ipv6_add_addr+0x411/0x2000 [ 6418.423745][ T72] inet6_addr_add+0x30e/0xa40 [ 6418.423745][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.423745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.423745][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.423745][ T72] netlink_unicast+0x449/0x710 [ 6418.423745][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.423745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.423745][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.423745][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.423745][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.423745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.423745][ T72] [ 6418.425979][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6418.425979][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.425979][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.425979][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.425979][ T72] ip6_route_add+0x1c/0x140 [ 6418.425979][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6418.425979][ T72] addrconf_add_dev+0xe2/0x170 [ 6418.425979][ T72] inet6_addr_add+0x12f/0xa40 [ 6418.425979][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.425979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.425979][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.425979][ T72] netlink_unicast+0x449/0x710 [ 6418.425979][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.425979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.425979][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.425979][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.425979][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.425979][ T72] [ 6418.428158][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6418.428158][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6418.428158][ T72] ipv6_find_idev+0x102/0x170 [ 6418.428158][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.428158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.428158][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.428158][ T72] netlink_unicast+0x449/0x710 [ 6418.428158][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.428158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.428158][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.428158][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.428158][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.428158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.428158][ T72] [ 6418.429862][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6418.429862][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6418.429862][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6418.429862][ T72] ipv6_find_idev+0x102/0x170 [ 6418.429862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.429862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.429862][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.429862][ T72] netlink_unicast+0x449/0x710 [ 6418.429862][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.429862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.429862][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.429862][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.429862][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.429862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.429862][ T72] [ 6418.431729][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6418.432037][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6418.432037][ T72] dst_init+0x84/0x4a0 [ 6418.432037][ T72] dst_alloc+0x97/0x150 [ 6418.432037][ T72] ip6_dst_alloc+0x23/0x90 [ 6418.432037][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6418.432037][ T72] ip6_pol_route+0x56f/0x840 [ 6418.432037][ T72] fib6_rule_lookup+0x456/0x630 [ 6418.432037][ T72] ip6_route_input+0x59c/0xa50 [ 6418.432037][ T72] ipv6_rcv+0x397/0x810 [ 6418.432037][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6418.432037][ T72] process_backlog+0x101/0x620 [ 6418.432037][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6418.432037][ T72] net_rx_action+0x495/0xbe0 [ 6418.432037][ T72] __do_softirq+0x1b5/0x7f6 [ 6418.432037][ T72] [ 6418.433841][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6418.433841][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.433841][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.433841][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.433841][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6418.433841][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6418.433841][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6418.433841][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6418.433841][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6418.433841][ T72] addrconf_dad_begin+0x310/0x670 [ 6418.433841][ T72] addrconf_dad_work+0x10b/0xab0 [ 6418.433841][ T72] process_one_work+0x84d/0x18a0 [ 6418.433841][ T72] worker_thread+0x587/0xd30 [ 6418.433841][ T72] kthread+0x28a/0x350 [ 6418.433841][ T72] ret_from_fork+0x31/0x70 [ 6418.433841][ T72] ret_from_fork_asm+0x1a/0x30 [ 6418.433841][ T72] [ 6418.435944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6418.435944][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.435944][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.435944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.435944][ T72] ip6_route_add+0x1c/0x140 [ 6418.435944][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6418.435944][ T72] inet6_addr_add+0x4f8/0xa40 [ 6418.435944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.435944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.435944][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.435944][ T72] netlink_unicast+0x449/0x710 [ 6418.435944][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.435944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.435944][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.435944][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.435944][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.435944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.435944][ T72] [ 6418.438159][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6418.438159][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.438159][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.438159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.438159][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6418.438159][ T72] ipv6_add_addr+0x411/0x2000 [ 6418.438159][ T72] inet6_addr_add+0x30e/0xa40 [ 6418.438159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.438159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.438159][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.438159][ T72] netlink_unicast+0x449/0x710 [ 6418.438159][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.438159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.438159][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.438159][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.438159][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.438159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.438159][ T72] [ 6418.440376][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6418.440376][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.440376][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.440376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.440376][ T72] ip6_route_add+0x1c/0x140 [ 6418.440376][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6418.440376][ T72] addrconf_add_dev+0xe2/0x170 [ 6418.440376][ T72] inet6_addr_add+0x12f/0xa40 [ 6418.440376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.440376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.440376][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.440376][ T72] netlink_unicast+0x449/0x710 [ 6418.440376][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.440376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.440376][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.440376][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.440376][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.440376][ T72] [ 6418.442540][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6418.442540][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6418.442540][ T72] ipv6_find_idev+0x102/0x170 [ 6418.442540][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.442540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.442540][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.442540][ T72] netlink_unicast+0x449/0x710 [ 6418.442540][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.442540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.442540][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.442540][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.442540][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.442540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.442540][ T72] [ 6418.444231][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6418.444231][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6418.444231][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6418.444231][ T72] ipv6_find_idev+0x102/0x170 [ 6418.444231][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.444231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.444231][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.444231][ T72] netlink_unicast+0x449/0x710 [ 6418.444231][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.444231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.444231][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.444231][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.444231][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.444231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.444231][ T72] [ 6418.446202][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6418.446489][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6418.446489][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6418.446489][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6418.446489][ T72] fib6_nh_init+0xa22/0x1580 [ 6418.446489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.446489][ T72] ip6_route_add+0x1c/0x140 [ 6418.446489][ T72] inet6_rtm_newroute+0x104/0x110 [ 6418.446489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.446489][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.446489][ T72] netlink_unicast+0x449/0x710 [ 6418.446489][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.446489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.446489][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.446489][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.446489][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.446489][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.446489][ T72] [ 6418.448867][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6418.448867][ T72] dst_init+0x84/0x4a0 [ 6418.448867][ T72] dst_alloc+0x97/0x150 [ 6418.448867][ T72] ip6_dst_alloc+0x23/0x90 [ 6418.448867][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6418.448867][ T72] ip6_pol_route+0x56f/0x840 [ 6418.448867][ T72] fib6_rule_lookup+0x456/0x630 [ 6418.448867][ T72] ip6_route_input+0x59c/0xa50 [ 6418.448867][ T72] ipv6_rcv+0x397/0x810 [ 6418.448867][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6418.448867][ T72] process_backlog+0x101/0x620 [ 6418.448867][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6418.448867][ T72] net_rx_action+0x495/0xbe0 [ 6418.448867][ T72] __do_softirq+0x1b5/0x7f6 [ 6418.448867][ T72] [ 6418.450844][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6418.450844][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.450844][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.450844][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.450844][ T72] ip6_route_add+0x1c/0x140 [ 6418.450844][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6418.450844][ T72] inet6_addr_add+0x4f8/0xa40 [ 6418.450844][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.450844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.450844][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.450844][ T72] netlink_unicast+0x449/0x710 [ 6418.450844][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.450844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.450844][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.450844][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.450844][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.450844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.450844][ T72] [ 6418.453231][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6418.453231][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.453231][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.453231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.453231][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6418.453231][ T72] ipv6_add_addr+0x411/0x2000 [ 6418.453231][ T72] inet6_addr_add+0x30e/0xa40 [ 6418.453231][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.453231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.453231][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.453231][ T72] netlink_unicast+0x449/0x710 [ 6418.453231][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.453231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.453231][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.453231][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.453231][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.453231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.453231][ T72] [ 6418.455667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6418.455667][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.455667][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.455667][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.455667][ T72] ip6_route_add+0x1c/0x140 [ 6418.455667][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6418.455667][ T72] addrconf_add_dev+0xe2/0x170 [ 6418.455667][ T72] inet6_addr_add+0x12f/0xa40 [ 6418.455667][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.455667][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.455667][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.455667][ T72] netlink_unicast+0x449/0x710 [ 6418.455667][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.455667][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.455667][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.455667][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.455667][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.455667][ T72] [ 6418.458080][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6418.458080][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6418.458080][ T72] ipv6_find_idev+0x102/0x170 [ 6418.458080][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.458080][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.458080][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.458080][ T72] netlink_unicast+0x449/0x710 [ 6418.458080][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.458080][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.458080][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.458080][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.458080][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.458080][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.458080][ T72] [ 6418.459957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6418.459957][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6418.459957][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6418.459957][ T72] ipv6_find_idev+0x102/0x170 [ 6418.459957][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.459957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.459957][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.459957][ T72] netlink_unicast+0x449/0x710 [ 6418.459957][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.459957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.459957][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.459957][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.459957][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.459957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.459957][ T72] [ 6418.461996][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6418.462359][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6418.462359][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.462359][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.462359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.462359][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6418.462359][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6418.462359][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6418.462359][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6418.462359][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6418.462359][ T72] addrconf_dad_begin+0x310/0x670 [ 6418.462359][ T72] addrconf_dad_work+0x10b/0xab0 [ 6418.462359][ T72] process_one_work+0x84d/0x18a0 [ 6418.462359][ T72] worker_thread+0x587/0xd30 [ 6418.462359][ T72] kthread+0x28a/0x350 [ 6418.462359][ T72] ret_from_fork+0x31/0x70 [ 6418.462359][ T72] ret_from_fork_asm+0x1a/0x30 [ 6418.462359][ T72] [ 6418.464591][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6418.464591][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.464591][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.464591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.464591][ T72] ip6_route_add+0x1c/0x140 [ 6418.464591][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6418.464591][ T72] inet6_addr_add+0x4f8/0xa40 [ 6418.464591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.464591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.464591][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.464591][ T72] netlink_unicast+0x449/0x710 [ 6418.464591][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.464591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.464591][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.464591][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.464591][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.464591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.464591][ T72] [ 6418.467035][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6418.467035][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.467035][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.467035][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.467035][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6418.467035][ T72] ipv6_add_addr+0x411/0x2000 [ 6418.467035][ T72] inet6_addr_add+0x30e/0xa40 [ 6418.467035][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.467035][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.467035][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.467035][ T72] netlink_unicast+0x449/0x710 [ 6418.467035][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.467035][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.467035][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.467035][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.467035][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.467035][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.467035][ T72] [ 6418.470082][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6418.470082][ T72] netdev_get_by_index+0x5e/0x80 [ 6418.470082][ T72] fib6_nh_init+0x3d8/0x1580 [ 6418.470082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6418.470082][ T72] ip6_route_add+0x1c/0x140 [ 6418.470082][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6418.470082][ T72] addrconf_add_dev+0xe2/0x170 [ 6418.470082][ T72] inet6_addr_add+0x12f/0xa40 [ 6418.470082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.470082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.470082][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.470082][ T72] netlink_unicast+0x449/0x710 [ 6418.470082][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.470082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.470082][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.470082][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.470082][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.470082][ T72] [ 6418.472493][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6418.472493][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6418.472493][ T72] ipv6_find_idev+0x102/0x170 [ 6418.472493][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.472493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.472493][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.472493][ T72] netlink_unicast+0x449/0x710 [ 6418.472493][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.472493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.472493][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.472493][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.472493][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.472493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.472493][ T72] [ 6418.474369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6418.474369][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6418.474369][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6418.474369][ T72] ipv6_find_idev+0x102/0x170 [ 6418.474369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.474369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.474369][ T72] netlink_rcv_skb+0x130/0x360 [ 6418.474369][ T72] netlink_unicast+0x449/0x710 [ 6418.474369][ T72] netlink_sendmsg+0x723/0xbe0 [ 6418.474369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6418.474369][ T72] ___sys_sendmsg+0xee/0x170 [ 6418.474369][ T72] __sys_sendmsg+0xcd/0x170 [ 6418.474369][ T72] do_syscall_64+0xc6/0x1e0 [ 6418.474369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.474369][ T72] [ 6428.712956][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6428.713465][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6428.713465][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6428.713465][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6428.713465][ T72] fib6_nh_init+0xa22/0x1580 [ 6428.713465][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.713465][ T72] ip6_route_add+0x1c/0x140 [ 6428.713465][ T72] inet6_rtm_newroute+0x104/0x110 [ 6428.713465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.713465][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.713465][ T72] netlink_unicast+0x449/0x710 [ 6428.713465][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.713465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.713465][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.713465][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.713465][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.713465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.713465][ T72] [ 6428.715539][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6428.715539][ T72] dst_init+0x84/0x4a0 [ 6428.715539][ T72] dst_alloc+0x97/0x150 [ 6428.715539][ T72] ip6_dst_alloc+0x23/0x90 [ 6428.715539][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6428.715539][ T72] ip6_pol_route+0x56f/0x840 [ 6428.715539][ T72] fib6_rule_lookup+0x456/0x630 [ 6428.715539][ T72] ip6_route_input+0x59c/0xa50 [ 6428.715539][ T72] ipv6_rcv+0x397/0x810 [ 6428.715539][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6428.715539][ T72] process_backlog+0x101/0x620 [ 6428.715539][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6428.715539][ T72] net_rx_action+0x495/0xbe0 [ 6428.715539][ T72] __do_softirq+0x1b5/0x7f6 [ 6428.715539][ T72] [ 6428.717354][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6428.717354][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.717354][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.717354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.717354][ T72] ip6_route_add+0x1c/0x140 [ 6428.717354][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6428.717354][ T72] inet6_addr_add+0x4f8/0xa40 [ 6428.717354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.717354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.717354][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.717354][ T72] netlink_unicast+0x449/0x710 [ 6428.717354][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.717354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.717354][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.717354][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.717354][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.717354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.717354][ T72] [ 6428.719582][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6428.719582][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.719582][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.719582][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.719582][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6428.719582][ T72] ipv6_add_addr+0x411/0x2000 [ 6428.719582][ T72] inet6_addr_add+0x30e/0xa40 [ 6428.719582][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.719582][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.719582][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.719582][ T72] netlink_unicast+0x449/0x710 [ 6428.719582][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.719582][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.719582][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.719582][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.719582][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.719582][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.719582][ T72] [ 6428.750431][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6428.750431][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.750431][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.750431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.750431][ T72] ip6_route_add+0x1c/0x140 [ 6428.750431][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6428.750431][ T72] addrconf_add_dev+0xe2/0x170 [ 6428.750431][ T72] inet6_addr_add+0x12f/0xa40 [ 6428.750431][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.750431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.750431][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.750431][ T72] netlink_unicast+0x449/0x710 [ 6428.750431][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.750431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.750431][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.750431][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.750431][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.750431][ T72] [ 6428.753136][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6428.753136][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6428.753136][ T72] ipv6_find_idev+0x102/0x170 [ 6428.753136][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.753136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.753136][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.753136][ T72] netlink_unicast+0x449/0x710 [ 6428.753136][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.753136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.753136][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.753136][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.753136][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.753136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.753136][ T72] [ 6428.754829][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6428.754829][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6428.754829][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6428.754829][ T72] ipv6_find_idev+0x102/0x170 [ 6428.754829][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.754829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.754829][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.754829][ T72] netlink_unicast+0x449/0x710 [ 6428.754829][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.754829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.754829][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.754829][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.754829][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.754829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.754829][ T72] [ 6428.756719][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6428.757035][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6428.757035][ T72] dst_init+0x84/0x4a0 [ 6428.757035][ T72] dst_alloc+0x97/0x150 [ 6428.757035][ T72] ip6_dst_alloc+0x23/0x90 [ 6428.757035][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6428.757035][ T72] ip6_pol_route+0x56f/0x840 [ 6428.757035][ T72] fib6_rule_lookup+0x456/0x630 [ 6428.757035][ T72] ip6_route_input+0x59c/0xa50 [ 6428.757035][ T72] ipv6_rcv+0x397/0x810 [ 6428.757035][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6428.757035][ T72] process_backlog+0x101/0x620 [ 6428.757035][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6428.757035][ T72] net_rx_action+0x495/0xbe0 [ 6428.757035][ T72] __do_softirq+0x1b5/0x7f6 [ 6428.757035][ T72] [ 6428.758881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6428.758881][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.758881][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.758881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.758881][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6428.758881][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6428.758881][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6428.758881][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6428.758881][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6428.758881][ T72] addrconf_dad_begin+0x310/0x670 [ 6428.758881][ T72] addrconf_dad_work+0x10b/0xab0 [ 6428.758881][ T72] process_one_work+0x84d/0x18a0 [ 6428.758881][ T72] worker_thread+0x587/0xd30 [ 6428.758881][ T72] kthread+0x28a/0x350 [ 6428.758881][ T72] ret_from_fork+0x31/0x70 [ 6428.758881][ T72] ret_from_fork_asm+0x1a/0x30 [ 6428.758881][ T72] [ 6428.760986][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6428.760986][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.760986][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.760986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.760986][ T72] ip6_route_add+0x1c/0x140 [ 6428.760986][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6428.760986][ T72] inet6_addr_add+0x4f8/0xa40 [ 6428.760986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.760986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.760986][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.760986][ T72] netlink_unicast+0x449/0x710 [ 6428.760986][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.760986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.760986][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.760986][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.760986][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.760986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.760986][ T72] [ 6428.763188][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6428.763188][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.763188][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.763188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.763188][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6428.763188][ T72] ipv6_add_addr+0x411/0x2000 [ 6428.763188][ T72] inet6_addr_add+0x30e/0xa40 [ 6428.763188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.763188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.763188][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.763188][ T72] netlink_unicast+0x449/0x710 [ 6428.763188][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.763188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.763188][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.763188][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.763188][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.763188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.763188][ T72] [ 6428.765414][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6428.765414][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.765414][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.765414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.765414][ T72] ip6_route_add+0x1c/0x140 [ 6428.765414][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6428.765414][ T72] addrconf_add_dev+0xe2/0x170 [ 6428.765414][ T72] inet6_addr_add+0x12f/0xa40 [ 6428.765414][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.765414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.765414][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.765414][ T72] netlink_unicast+0x449/0x710 [ 6428.765414][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.765414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.765414][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.765414][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.765414][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.765414][ T72] [ 6428.794845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6428.794845][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6428.794845][ T72] ipv6_find_idev+0x102/0x170 [ 6428.794845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.794845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.794845][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.794845][ T72] netlink_unicast+0x449/0x710 [ 6428.794845][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.794845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.794845][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.794845][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.794845][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.794845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.794845][ T72] [ 6428.796552][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6428.796552][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6428.796552][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6428.796552][ T72] ipv6_find_idev+0x102/0x170 [ 6428.796552][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.796552][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.796552][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.796552][ T72] netlink_unicast+0x449/0x710 [ 6428.796552][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.796552][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.796552][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.796552][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.796552][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.796552][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.796552][ T72] [ 6428.798506][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6428.798876][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6428.798876][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6428.798876][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6428.798876][ T72] fib6_nh_init+0xa22/0x1580 [ 6428.798876][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.798876][ T72] ip6_route_add+0x1c/0x140 [ 6428.798876][ T72] inet6_rtm_newroute+0x104/0x110 [ 6428.798876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.798876][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.798876][ T72] netlink_unicast+0x449/0x710 [ 6428.798876][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.798876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.798876][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.798876][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.798876][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.798876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.798876][ T72] [ 6428.801208][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6428.801208][ T72] dst_init+0x84/0x4a0 [ 6428.801208][ T72] dst_alloc+0x97/0x150 [ 6428.801208][ T72] ip6_dst_alloc+0x23/0x90 [ 6428.801208][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6428.801208][ T72] ip6_pol_route+0x56f/0x840 [ 6428.801208][ T72] fib6_rule_lookup+0x456/0x630 [ 6428.801208][ T72] ip6_route_input+0x59c/0xa50 [ 6428.801208][ T72] ipv6_rcv+0x397/0x810 [ 6428.801208][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6428.801208][ T72] process_backlog+0x101/0x620 [ 6428.801208][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6428.801208][ T72] net_rx_action+0x495/0xbe0 [ 6428.801208][ T72] __do_softirq+0x1b5/0x7f6 [ 6428.801208][ T72] [ 6428.803199][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6428.803199][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.803199][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.803199][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.803199][ T72] ip6_route_add+0x1c/0x140 [ 6428.803199][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6428.803199][ T72] inet6_addr_add+0x4f8/0xa40 [ 6428.803199][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.803199][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.803199][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.803199][ T72] netlink_unicast+0x449/0x710 [ 6428.803199][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.803199][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.803199][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.803199][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.803199][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.803199][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.803199][ T72] [ 6428.832202][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6428.832202][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.832202][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.832202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.832202][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6428.832202][ T72] ipv6_add_addr+0x411/0x2000 [ 6428.832202][ T72] inet6_addr_add+0x30e/0xa40 [ 6428.832202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.832202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.832202][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.832202][ T72] netlink_unicast+0x449/0x710 [ 6428.832202][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.832202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.832202][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.832202][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.832202][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.832202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.832202][ T72] [ 6428.834586][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6428.834586][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.834586][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.834586][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.834586][ T72] ip6_route_add+0x1c/0x140 [ 6428.834586][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6428.834586][ T72] addrconf_add_dev+0xe2/0x170 [ 6428.834586][ T72] inet6_addr_add+0x12f/0xa40 [ 6428.834586][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.834586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.834586][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.834586][ T72] netlink_unicast+0x449/0x710 [ 6428.834586][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.834586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.834586][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.834586][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.834586][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.834586][ T72] [ 6428.836994][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6428.836994][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6428.836994][ T72] ipv6_find_idev+0x102/0x170 [ 6428.836994][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.836994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.836994][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.836994][ T72] netlink_unicast+0x449/0x710 [ 6428.836994][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.836994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.836994][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.836994][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.836994][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.836994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.836994][ T72] [ 6428.838892][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6428.838892][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6428.838892][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6428.838892][ T72] ipv6_find_idev+0x102/0x170 [ 6428.838892][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.838892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.838892][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.838892][ T72] netlink_unicast+0x449/0x710 [ 6428.838892][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.838892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.838892][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.838892][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.838892][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.838892][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.838892][ T72] [ 6428.840931][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6428.841292][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6428.841292][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.841292][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.841292][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.841292][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6428.841292][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6428.841292][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6428.841292][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6428.841292][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6428.841292][ T72] addrconf_dad_begin+0x310/0x670 [ 6428.841292][ T72] addrconf_dad_work+0x10b/0xab0 [ 6428.841292][ T72] process_one_work+0x84d/0x18a0 [ 6428.841292][ T72] worker_thread+0x587/0xd30 [ 6428.841292][ T72] kthread+0x28a/0x350 [ 6428.841292][ T72] ret_from_fork+0x31/0x70 [ 6428.841292][ T72] ret_from_fork_asm+0x1a/0x30 [ 6428.841292][ T72] [ 6428.843568][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6428.843568][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.843568][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.843568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.843568][ T72] ip6_route_add+0x1c/0x140 [ 6428.843568][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6428.843568][ T72] inet6_addr_add+0x4f8/0xa40 [ 6428.843568][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.843568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.843568][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.843568][ T72] netlink_unicast+0x449/0x710 [ 6428.843568][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.843568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.843568][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.843568][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.843568][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.843568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.843568][ T72] [ 6428.846008][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6428.846008][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.846008][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.846008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.846008][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6428.846008][ T72] ipv6_add_addr+0x411/0x2000 [ 6428.846008][ T72] inet6_addr_add+0x30e/0xa40 [ 6428.846008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.846008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.846008][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.846008][ T72] netlink_unicast+0x449/0x710 [ 6428.846008][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.846008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.846008][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.846008][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.846008][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.846008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.846008][ T72] [ 6428.848522][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6428.848522][ T72] netdev_get_by_index+0x5e/0x80 [ 6428.848522][ T72] fib6_nh_init+0x3d8/0x1580 [ 6428.848522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6428.848522][ T72] ip6_route_add+0x1c/0x140 [ 6428.848522][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6428.848522][ T72] addrconf_add_dev+0xe2/0x170 [ 6428.848522][ T72] inet6_addr_add+0x12f/0xa40 [ 6428.848522][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.848522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.848522][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.848522][ T72] netlink_unicast+0x449/0x710 [ 6428.848522][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.848522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.848522][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.848522][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.848522][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.848522][ T72] [ 6428.850923][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6428.850923][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6428.850923][ T72] ipv6_find_idev+0x102/0x170 [ 6428.850923][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.850923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.850923][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.850923][ T72] netlink_unicast+0x449/0x710 [ 6428.850923][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.850923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.850923][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.850923][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.850923][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.850923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.850923][ T72] [ 6428.852800][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6428.852800][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6428.852800][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6428.852800][ T72] ipv6_find_idev+0x102/0x170 [ 6428.852800][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.852800][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.852800][ T72] netlink_rcv_skb+0x130/0x360 [ 6428.852800][ T72] netlink_unicast+0x449/0x710 [ 6428.852800][ T72] netlink_sendmsg+0x723/0xbe0 [ 6428.852800][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6428.852800][ T72] ___sys_sendmsg+0xee/0x170 [ 6428.852800][ T72] __sys_sendmsg+0xcd/0x170 [ 6428.852800][ T72] do_syscall_64+0xc6/0x1e0 [ 6428.852800][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.852800][ T72] [ 6439.120934][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6439.121381][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6439.121381][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6439.121381][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6439.121381][ T72] fib6_nh_init+0xa22/0x1580 [ 6439.121381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.121381][ T72] ip6_route_add+0x1c/0x140 [ 6439.121381][ T72] inet6_rtm_newroute+0x104/0x110 [ 6439.121381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.121381][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.121381][ T72] netlink_unicast+0x449/0x710 [ 6439.121381][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.121381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.121381][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.121381][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.121381][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.121381][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.121381][ T72] [ 6439.123480][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6439.123480][ T72] dst_init+0x84/0x4a0 [ 6439.123480][ T72] dst_alloc+0x97/0x150 [ 6439.123480][ T72] ip6_dst_alloc+0x23/0x90 [ 6439.123480][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6439.123480][ T72] ip6_pol_route+0x56f/0x840 [ 6439.123480][ T72] fib6_rule_lookup+0x456/0x630 [ 6439.123480][ T72] ip6_route_input+0x59c/0xa50 [ 6439.123480][ T72] ipv6_rcv+0x397/0x810 [ 6439.123480][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6439.123480][ T72] process_backlog+0x101/0x620 [ 6439.123480][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6439.123480][ T72] net_rx_action+0x495/0xbe0 [ 6439.123480][ T72] __do_softirq+0x1b5/0x7f6 [ 6439.123480][ T72] [ 6439.125350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6439.125350][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.125350][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.125350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.125350][ T72] ip6_route_add+0x1c/0x140 [ 6439.125350][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6439.125350][ T72] inet6_addr_add+0x4f8/0xa40 [ 6439.125350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.125350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.125350][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.125350][ T72] netlink_unicast+0x449/0x710 [ 6439.125350][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.125350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.125350][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.125350][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.125350][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.125350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.125350][ T72] [ 6439.153824][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6439.153824][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.153824][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.153824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.153824][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6439.153824][ T72] ipv6_add_addr+0x411/0x2000 [ 6439.153824][ T72] inet6_addr_add+0x30e/0xa40 [ 6439.153824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.153824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.153824][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.153824][ T72] netlink_unicast+0x449/0x710 [ 6439.153824][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.153824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.153824][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.153824][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.153824][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.153824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.153824][ T72] [ 6439.156027][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6439.156027][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.156027][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.156027][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.156027][ T72] ip6_route_add+0x1c/0x140 [ 6439.156027][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6439.156027][ T72] addrconf_add_dev+0xe2/0x170 [ 6439.156027][ T72] inet6_addr_add+0x12f/0xa40 [ 6439.156027][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.156027][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.156027][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.156027][ T72] netlink_unicast+0x449/0x710 [ 6439.156027][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.156027][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.156027][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.156027][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.156027][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.156027][ T72] [ 6439.158188][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6439.158188][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6439.158188][ T72] ipv6_find_idev+0x102/0x170 [ 6439.158188][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.158188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.158188][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.158188][ T72] netlink_unicast+0x449/0x710 [ 6439.158188][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.158188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.158188][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.158188][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.158188][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.158188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.158188][ T72] [ 6439.159890][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6439.159890][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6439.159890][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6439.159890][ T72] ipv6_find_idev+0x102/0x170 [ 6439.159890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.159890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.159890][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.159890][ T72] netlink_unicast+0x449/0x710 [ 6439.159890][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.159890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.159890][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.159890][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.159890][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.159890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.159890][ T72] [ 6439.161768][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6439.162080][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6439.162080][ T72] dst_init+0x84/0x4a0 [ 6439.162080][ T72] dst_alloc+0x97/0x150 [ 6439.162080][ T72] ip6_dst_alloc+0x23/0x90 [ 6439.162080][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6439.162080][ T72] ip6_pol_route+0x56f/0x840 [ 6439.162080][ T72] fib6_rule_lookup+0x456/0x630 [ 6439.162080][ T72] ip6_route_input+0x59c/0xa50 [ 6439.162080][ T72] ipv6_rcv+0x397/0x810 [ 6439.162080][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6439.162080][ T72] process_backlog+0x101/0x620 [ 6439.162080][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6439.162080][ T72] net_rx_action+0x495/0xbe0 [ 6439.162080][ T72] __do_softirq+0x1b5/0x7f6 [ 6439.162080][ T72] [ 6439.163896][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6439.163896][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.163896][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.163896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.163896][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6439.163896][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6439.163896][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6439.163896][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6439.163896][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6439.163896][ T72] addrconf_dad_begin+0x310/0x670 [ 6439.163896][ T72] addrconf_dad_work+0x10b/0xab0 [ 6439.163896][ T72] process_one_work+0x84d/0x18a0 [ 6439.163896][ T72] worker_thread+0x587/0xd30 [ 6439.163896][ T72] kthread+0x28a/0x350 [ 6439.163896][ T72] ret_from_fork+0x31/0x70 [ 6439.163896][ T72] ret_from_fork_asm+0x1a/0x30 [ 6439.163896][ T72] [ 6439.166011][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6439.166011][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.166011][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.166011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.166011][ T72] ip6_route_add+0x1c/0x140 [ 6439.166011][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6439.166011][ T72] inet6_addr_add+0x4f8/0xa40 [ 6439.166011][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.166011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.166011][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.166011][ T72] netlink_unicast+0x449/0x710 [ 6439.166011][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.166011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.166011][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.166011][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.166011][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.166011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.166011][ T72] [ 6439.168215][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6439.168215][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.168215][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.168215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.168215][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6439.168215][ T72] ipv6_add_addr+0x411/0x2000 [ 6439.168215][ T72] inet6_addr_add+0x30e/0xa40 [ 6439.168215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.168215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.168215][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.168215][ T72] netlink_unicast+0x449/0x710 [ 6439.168215][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.168215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.168215][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.168215][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.168215][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.168215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.168215][ T72] [ 6439.170448][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6439.170448][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.170448][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.170448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.170448][ T72] ip6_route_add+0x1c/0x140 [ 6439.170448][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6439.170448][ T72] addrconf_add_dev+0xe2/0x170 [ 6439.170448][ T72] inet6_addr_add+0x12f/0xa40 [ 6439.170448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.170448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.170448][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.170448][ T72] netlink_unicast+0x449/0x710 [ 6439.170448][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.170448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.170448][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.170448][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.170448][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.170448][ T72] [ 6439.172607][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6439.172607][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6439.172607][ T72] ipv6_find_idev+0x102/0x170 [ 6439.172607][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.172607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.172607][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.172607][ T72] netlink_unicast+0x449/0x710 [ 6439.172607][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.172607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.172607][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.172607][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.172607][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.172607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.172607][ T72] [ 6439.174305][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6439.174305][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6439.174305][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6439.174305][ T72] ipv6_find_idev+0x102/0x170 [ 6439.174305][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.174305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.174305][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.174305][ T72] netlink_unicast+0x449/0x710 [ 6439.174305][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.174305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.174305][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.174305][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.174305][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.174305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.174305][ T72] [ 6439.176225][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6439.176585][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6439.176585][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6439.176585][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6439.176585][ T72] fib6_nh_init+0xa22/0x1580 [ 6439.176585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.176585][ T72] ip6_route_add+0x1c/0x140 [ 6439.176585][ T72] inet6_rtm_newroute+0x104/0x110 [ 6439.176585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.176585][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.176585][ T72] netlink_unicast+0x449/0x710 [ 6439.176585][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.176585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.176585][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.176585][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.176585][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.176585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.176585][ T72] [ 6439.178840][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6439.178840][ T72] dst_init+0x84/0x4a0 [ 6439.178840][ T72] dst_alloc+0x97/0x150 [ 6439.178840][ T72] ip6_dst_alloc+0x23/0x90 [ 6439.178840][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6439.178840][ T72] ip6_pol_route+0x56f/0x840 [ 6439.178840][ T72] fib6_rule_lookup+0x456/0x630 [ 6439.178840][ T72] ip6_route_input+0x59c/0xa50 [ 6439.178840][ T72] ipv6_rcv+0x397/0x810 [ 6439.178840][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6439.178840][ T72] process_backlog+0x101/0x620 [ 6439.178840][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6439.178840][ T72] net_rx_action+0x495/0xbe0 [ 6439.178840][ T72] __do_softirq+0x1b5/0x7f6 [ 6439.178840][ T72] [ 6439.180835][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6439.180835][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.180835][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.180835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.180835][ T72] ip6_route_add+0x1c/0x140 [ 6439.180835][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6439.180835][ T72] inet6_addr_add+0x4f8/0xa40 [ 6439.180835][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.180835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.180835][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.180835][ T72] netlink_unicast+0x449/0x710 [ 6439.180835][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.180835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.180835][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.180835][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.180835][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.180835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.180835][ T72] [ 6439.183278][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6439.183278][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.183278][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.183278][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.183278][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6439.183278][ T72] ipv6_add_addr+0x411/0x2000 [ 6439.183278][ T72] inet6_addr_add+0x30e/0xa40 [ 6439.183278][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.183278][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.183278][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.183278][ T72] netlink_unicast+0x449/0x710 [ 6439.183278][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.183278][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.183278][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.183278][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.183278][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.183278][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.183278][ T72] [ 6439.185730][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6439.185730][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.185730][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.185730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.185730][ T72] ip6_route_add+0x1c/0x140 [ 6439.185730][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6439.185730][ T72] addrconf_add_dev+0xe2/0x170 [ 6439.185730][ T72] inet6_addr_add+0x12f/0xa40 [ 6439.185730][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.185730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.185730][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.185730][ T72] netlink_unicast+0x449/0x710 [ 6439.185730][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.185730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.185730][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.185730][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.185730][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.185730][ T72] [ 6439.188198][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6439.188198][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6439.188198][ T72] ipv6_find_idev+0x102/0x170 [ 6439.188198][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.188198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.188198][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.188198][ T72] netlink_unicast+0x449/0x710 [ 6439.188198][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.188198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.188198][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.188198][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.188198][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.188198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.188198][ T72] [ 6439.190085][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6439.190085][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6439.190085][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6439.190085][ T72] ipv6_find_idev+0x102/0x170 [ 6439.190085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.190085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.190085][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.190085][ T72] netlink_unicast+0x449/0x710 [ 6439.190085][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.190085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.190085][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.190085][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.190085][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.190085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.190085][ T72] [ 6439.192125][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6439.192495][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6439.192495][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.192495][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.192495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.192495][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6439.192495][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6439.192495][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6439.192495][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6439.192495][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6439.192495][ T72] addrconf_dad_begin+0x310/0x670 [ 6439.192495][ T72] addrconf_dad_work+0x10b/0xab0 [ 6439.192495][ T72] process_one_work+0x84d/0x18a0 [ 6439.192495][ T72] worker_thread+0x587/0xd30 [ 6439.192495][ T72] kthread+0x28a/0x350 [ 6439.192495][ T72] ret_from_fork+0x31/0x70 [ 6439.192495][ T72] ret_from_fork_asm+0x1a/0x30 [ 6439.192495][ T72] [ 6439.194779][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6439.194779][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.194779][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.194779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.194779][ T72] ip6_route_add+0x1c/0x140 [ 6439.194779][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6439.194779][ T72] inet6_addr_add+0x4f8/0xa40 [ 6439.194779][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.194779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.194779][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.194779][ T72] netlink_unicast+0x449/0x710 [ 6439.194779][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.194779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.194779][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.194779][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.194779][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.194779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.194779][ T72] [ 6439.197219][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6439.197219][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.197219][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.197219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.197219][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6439.197219][ T72] ipv6_add_addr+0x411/0x2000 [ 6439.197219][ T72] inet6_addr_add+0x30e/0xa40 [ 6439.197219][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.197219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.197219][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.197219][ T72] netlink_unicast+0x449/0x710 [ 6439.197219][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.197219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.197219][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.197219][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.197219][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.197219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.197219][ T72] [ 6439.199737][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6439.199737][ T72] netdev_get_by_index+0x5e/0x80 [ 6439.199737][ T72] fib6_nh_init+0x3d8/0x1580 [ 6439.199737][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6439.199737][ T72] ip6_route_add+0x1c/0x140 [ 6439.199737][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6439.199737][ T72] addrconf_add_dev+0xe2/0x170 [ 6439.199737][ T72] inet6_addr_add+0x12f/0xa40 [ 6439.199737][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6439.199737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.199737][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.199737][ T72] netlink_unicast+0x449/0x710 [ 6439.199737][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.199737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.199737][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.199737][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.199737][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.199737][ T72] [ 6439.202145][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6439.202145][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6439.202145][ T72] ipv6_find_idev+0x102/0x170 [ 6439.202145][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.202145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.202145][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.202145][ T72] netlink_unicast+0x449/0x710 [ 6439.202145][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.202145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.202145][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.202145][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.202145][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.202145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.202145][ T72] [ 6439.204022][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6439.204022][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6439.204022][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6439.204022][ T72] ipv6_find_idev+0x102/0x170 [ 6439.204022][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.204022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.204022][ T72] netlink_rcv_skb+0x130/0x360 [ 6439.204022][ T72] netlink_unicast+0x449/0x710 [ 6439.204022][ T72] netlink_sendmsg+0x723/0xbe0 [ 6439.204022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6439.204022][ T72] ___sys_sendmsg+0xee/0x170 [ 6439.204022][ T72] __sys_sendmsg+0xcd/0x170 [ 6439.204022][ T72] do_syscall_64+0xc6/0x1e0 [ 6439.204022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.204022][ T72] [ 6449.296950][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6449.297459][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6449.297459][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6449.297459][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6449.297459][ T72] fib6_nh_init+0xa22/0x1580 [ 6449.297459][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.297459][ T72] ip6_route_add+0x1c/0x140 [ 6449.297459][ T72] inet6_rtm_newroute+0x104/0x110 [ 6449.297459][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.297459][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.297459][ T72] netlink_unicast+0x449/0x710 [ 6449.297459][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.297459][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.297459][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.297459][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.297459][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.297459][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.297459][ T72] [ 6449.299393][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6449.299393][ T72] dst_init+0x84/0x4a0 [ 6449.299393][ T72] dst_alloc+0x97/0x150 [ 6449.299393][ T72] ip6_dst_alloc+0x23/0x90 [ 6449.299393][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6449.299393][ T72] ip6_pol_route+0x56f/0x840 [ 6449.299393][ T72] fib6_rule_lookup+0x456/0x630 [ 6449.299393][ T72] ip6_route_input+0x59c/0xa50 [ 6449.299393][ T72] ipv6_rcv+0x397/0x810 [ 6449.299393][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6449.299393][ T72] process_backlog+0x101/0x620 [ 6449.299393][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6449.299393][ T72] net_rx_action+0x495/0xbe0 [ 6449.299393][ T72] __do_softirq+0x1b5/0x7f6 [ 6449.299393][ T72] [ 6449.301058][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6449.301058][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.301058][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.301058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.301058][ T72] ip6_route_add+0x1c/0x140 [ 6449.301058][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6449.301058][ T72] inet6_addr_add+0x4f8/0xa40 [ 6449.301058][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.301058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.301058][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.301058][ T72] netlink_unicast+0x449/0x710 [ 6449.301058][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.301058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.301058][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.301058][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.301058][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.301058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.301058][ T72] [ 6449.303078][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6449.303078][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.303078][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.303078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.303078][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6449.303078][ T72] ipv6_add_addr+0x411/0x2000 [ 6449.303078][ T72] inet6_addr_add+0x30e/0xa40 [ 6449.303078][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.303078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.303078][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.303078][ T72] netlink_unicast+0x449/0x710 [ 6449.303078][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.303078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.303078][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.303078][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.303078][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.303078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.303078][ T72] [ 6449.305121][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6449.305121][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.305121][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.305121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.305121][ T72] ip6_route_add+0x1c/0x140 [ 6449.305121][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6449.305121][ T72] addrconf_add_dev+0xe2/0x170 [ 6449.305121][ T72] inet6_addr_add+0x12f/0xa40 [ 6449.305121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.305121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.305121][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.305121][ T72] netlink_unicast+0x449/0x710 [ 6449.305121][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.305121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.305121][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.305121][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.305121][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.305121][ T72] [ 6449.307105][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6449.307105][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6449.307105][ T72] ipv6_find_idev+0x102/0x170 [ 6449.307105][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.307105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.307105][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.307105][ T72] netlink_unicast+0x449/0x710 [ 6449.307105][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.307105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.307105][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.307105][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.307105][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.307105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.307105][ T72] [ 6449.308668][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6449.308668][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6449.308668][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6449.308668][ T72] ipv6_find_idev+0x102/0x170 [ 6449.308668][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.308668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.308668][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.308668][ T72] netlink_unicast+0x449/0x710 [ 6449.308668][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.308668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.308668][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.308668][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.308668][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.308668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.308668][ T72] [ 6449.310394][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6449.310672][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6449.310672][ T72] dst_init+0x84/0x4a0 [ 6449.310672][ T72] dst_alloc+0x97/0x150 [ 6449.310672][ T72] ip6_dst_alloc+0x23/0x90 [ 6449.310672][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6449.310672][ T72] ip6_pol_route+0x56f/0x840 [ 6449.310672][ T72] fib6_rule_lookup+0x456/0x630 [ 6449.310672][ T72] ip6_route_input+0x59c/0xa50 [ 6449.310672][ T72] ipv6_rcv+0x397/0x810 [ 6449.310672][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6449.310672][ T72] process_backlog+0x101/0x620 [ 6449.310672][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6449.310672][ T72] net_rx_action+0x495/0xbe0 [ 6449.310672][ T72] __do_softirq+0x1b5/0x7f6 [ 6449.310672][ T72] [ 6449.312329][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6449.312329][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.312329][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.312329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.312329][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6449.312329][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6449.312329][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6449.312329][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6449.312329][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6449.312329][ T72] addrconf_dad_begin+0x310/0x670 [ 6449.312329][ T72] addrconf_dad_work+0x10b/0xab0 [ 6449.312329][ T72] process_one_work+0x84d/0x18a0 [ 6449.312329][ T72] worker_thread+0x587/0xd30 [ 6449.312329][ T72] kthread+0x28a/0x350 [ 6449.312329][ T72] ret_from_fork+0x31/0x70 [ 6449.312329][ T72] ret_from_fork_asm+0x1a/0x30 [ 6449.312329][ T72] [ 6449.314251][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6449.314251][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.314251][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.314251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.314251][ T72] ip6_route_add+0x1c/0x140 [ 6449.314251][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6449.314251][ T72] inet6_addr_add+0x4f8/0xa40 [ 6449.314251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.314251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.314251][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.314251][ T72] netlink_unicast+0x449/0x710 [ 6449.314251][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.314251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.314251][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.314251][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.314251][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.314251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.314251][ T72] [ 6449.316263][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6449.316263][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.316263][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.316263][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.316263][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6449.316263][ T72] ipv6_add_addr+0x411/0x2000 [ 6449.316263][ T72] inet6_addr_add+0x30e/0xa40 [ 6449.316263][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.316263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.316263][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.316263][ T72] netlink_unicast+0x449/0x710 [ 6449.316263][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.316263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.316263][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.316263][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.316263][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.316263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.316263][ T72] [ 6449.318280][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6449.318280][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.318280][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.318280][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.318280][ T72] ip6_route_add+0x1c/0x140 [ 6449.318280][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6449.318280][ T72] addrconf_add_dev+0xe2/0x170 [ 6449.318280][ T72] inet6_addr_add+0x12f/0xa40 [ 6449.318280][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.318280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.318280][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.318280][ T72] netlink_unicast+0x449/0x710 [ 6449.318280][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.318280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.318280][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.318280][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.318280][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.318280][ T72] [ 6449.320262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6449.320262][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6449.320262][ T72] ipv6_find_idev+0x102/0x170 [ 6449.320262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.320262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.320262][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.320262][ T72] netlink_unicast+0x449/0x710 [ 6449.320262][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.320262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.320262][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.320262][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.320262][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.320262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.320262][ T72] [ 6449.321812][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6449.321812][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6449.321812][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6449.321812][ T72] ipv6_find_idev+0x102/0x170 [ 6449.321812][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.321812][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.321812][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.321812][ T72] netlink_unicast+0x449/0x710 [ 6449.321812][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.321812][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.321812][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.321812][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.321812][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.321812][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.321812][ T72] [ 6449.323640][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6449.323921][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6449.323921][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6449.323921][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6449.323921][ T72] fib6_nh_init+0xa22/0x1580 [ 6449.323921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.323921][ T72] ip6_route_add+0x1c/0x140 [ 6449.323921][ T72] inet6_rtm_newroute+0x104/0x110 [ 6449.323921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.323921][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.323921][ T72] netlink_unicast+0x449/0x710 [ 6449.323921][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.323921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.323921][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.323921][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.323921][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.323921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.323921][ T72] [ 6449.326060][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6449.326060][ T72] dst_init+0x84/0x4a0 [ 6449.326060][ T72] dst_alloc+0x97/0x150 [ 6449.326060][ T72] ip6_dst_alloc+0x23/0x90 [ 6449.326060][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6449.326060][ T72] ip6_pol_route+0x56f/0x840 [ 6449.326060][ T72] fib6_rule_lookup+0x456/0x630 [ 6449.326060][ T72] ip6_route_input+0x59c/0xa50 [ 6449.326060][ T72] ipv6_rcv+0x397/0x810 [ 6449.326060][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6449.326060][ T72] process_backlog+0x101/0x620 [ 6449.326060][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6449.326060][ T72] net_rx_action+0x495/0xbe0 [ 6449.326060][ T72] __do_softirq+0x1b5/0x7f6 [ 6449.326060][ T72] [ 6449.327950][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6449.327950][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.327950][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.327950][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.327950][ T72] ip6_route_add+0x1c/0x140 [ 6449.327950][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6449.327950][ T72] inet6_addr_add+0x4f8/0xa40 [ 6449.327950][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.327950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.327950][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.327950][ T72] netlink_unicast+0x449/0x710 [ 6449.327950][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.327950][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.327950][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.327950][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.327950][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.327950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.327950][ T72] [ 6449.330167][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6449.330167][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.330167][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.330167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.330167][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6449.330167][ T72] ipv6_add_addr+0x411/0x2000 [ 6449.330167][ T72] inet6_addr_add+0x30e/0xa40 [ 6449.330167][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.330167][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.330167][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.330167][ T72] netlink_unicast+0x449/0x710 [ 6449.330167][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.330167][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.330167][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.330167][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.330167][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.330167][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.330167][ T72] [ 6449.332417][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6449.332417][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.332417][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.332417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.332417][ T72] ip6_route_add+0x1c/0x140 [ 6449.332417][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6449.332417][ T72] addrconf_add_dev+0xe2/0x170 [ 6449.332417][ T72] inet6_addr_add+0x12f/0xa40 [ 6449.332417][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.332417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.332417][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.332417][ T72] netlink_unicast+0x449/0x710 [ 6449.332417][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.332417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.332417][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.332417][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.332417][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.332417][ T72] [ 6449.334699][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6449.334699][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6449.334699][ T72] ipv6_find_idev+0x102/0x170 [ 6449.334699][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.334699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.334699][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.334699][ T72] netlink_unicast+0x449/0x710 [ 6449.334699][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.334699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.334699][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.334699][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.334699][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.334699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.334699][ T72] [ 6449.336438][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6449.336438][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6449.336438][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6449.336438][ T72] ipv6_find_idev+0x102/0x170 [ 6449.336438][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.336438][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.336438][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.336438][ T72] netlink_unicast+0x449/0x710 [ 6449.336438][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.336438][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.336438][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.336438][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.336438][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.336438][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.336438][ T72] [ 6449.338325][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6449.338664][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6449.338664][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.338664][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.338664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.338664][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6449.338664][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6449.338664][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6449.338664][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6449.338664][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6449.338664][ T72] addrconf_dad_begin+0x310/0x670 [ 6449.338664][ T72] addrconf_dad_work+0x10b/0xab0 [ 6449.338664][ T72] process_one_work+0x84d/0x18a0 [ 6449.338664][ T72] worker_thread+0x587/0xd30 [ 6449.338664][ T72] kthread+0x28a/0x350 [ 6449.338664][ T72] ret_from_fork+0x31/0x70 [ 6449.338664][ T72] ret_from_fork_asm+0x1a/0x30 [ 6449.338664][ T72] [ 6449.340772][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6449.340772][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.340772][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.340772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.340772][ T72] ip6_route_add+0x1c/0x140 [ 6449.340772][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6449.340772][ T72] inet6_addr_add+0x4f8/0xa40 [ 6449.340772][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.340772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.340772][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.340772][ T72] netlink_unicast+0x449/0x710 [ 6449.340772][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.340772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.340772][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.340772][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.340772][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.340772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.340772][ T72] [ 6449.343029][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6449.343029][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.343029][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.343029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.343029][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6449.343029][ T72] ipv6_add_addr+0x411/0x2000 [ 6449.343029][ T72] inet6_addr_add+0x30e/0xa40 [ 6449.343029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.343029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.343029][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.343029][ T72] netlink_unicast+0x449/0x710 [ 6449.343029][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.343029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.343029][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.343029][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.343029][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.343029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.343029][ T72] [ 6449.345346][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6449.345346][ T72] netdev_get_by_index+0x5e/0x80 [ 6449.345346][ T72] fib6_nh_init+0x3d8/0x1580 [ 6449.345346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6449.345346][ T72] ip6_route_add+0x1c/0x140 [ 6449.345346][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6449.345346][ T72] addrconf_add_dev+0xe2/0x170 [ 6449.345346][ T72] inet6_addr_add+0x12f/0xa40 [ 6449.345346][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.345346][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.345346][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.345346][ T72] netlink_unicast+0x449/0x710 [ 6449.345346][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.345346][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.345346][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.345346][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.345346][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.345346][ T72] [ 6449.347559][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6449.347559][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6449.347559][ T72] ipv6_find_idev+0x102/0x170 [ 6449.347559][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.347559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.347559][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.347559][ T72] netlink_unicast+0x449/0x710 [ 6449.347559][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.347559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.347559][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.347559][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.347559][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.347559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.347559][ T72] [ 6449.349301][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6449.349301][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6449.349301][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6449.349301][ T72] ipv6_find_idev+0x102/0x170 [ 6449.349301][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.349301][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.349301][ T72] netlink_rcv_skb+0x130/0x360 [ 6449.349301][ T72] netlink_unicast+0x449/0x710 [ 6449.349301][ T72] netlink_sendmsg+0x723/0xbe0 [ 6449.349301][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6449.349301][ T72] ___sys_sendmsg+0xee/0x170 [ 6449.349301][ T72] __sys_sendmsg+0xcd/0x170 [ 6449.349301][ T72] do_syscall_64+0xc6/0x1e0 [ 6449.349301][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.349301][ T72] [ 6459.448924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6459.449388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6459.449388][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6459.449388][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6459.449388][ T72] fib6_nh_init+0xa22/0x1580 [ 6459.449388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.449388][ T72] ip6_route_add+0x1c/0x140 [ 6459.449388][ T72] inet6_rtm_newroute+0x104/0x110 [ 6459.449388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.449388][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.449388][ T72] netlink_unicast+0x449/0x710 [ 6459.449388][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.449388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.449388][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.449388][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.449388][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.449388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.449388][ T72] [ 6459.451307][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6459.451307][ T72] dst_init+0x84/0x4a0 [ 6459.451307][ T72] dst_alloc+0x97/0x150 [ 6459.451307][ T72] ip6_dst_alloc+0x23/0x90 [ 6459.451307][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6459.451307][ T72] ip6_pol_route+0x56f/0x840 [ 6459.451307][ T72] fib6_rule_lookup+0x456/0x630 [ 6459.451307][ T72] ip6_route_input+0x59c/0xa50 [ 6459.451307][ T72] ipv6_rcv+0x397/0x810 [ 6459.451307][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6459.451307][ T72] process_backlog+0x101/0x620 [ 6459.451307][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6459.451307][ T72] net_rx_action+0x495/0xbe0 [ 6459.451307][ T72] __do_softirq+0x1b5/0x7f6 [ 6459.451307][ T72] [ 6459.452978][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6459.452978][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.452978][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.452978][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.452978][ T72] ip6_route_add+0x1c/0x140 [ 6459.452978][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6459.452978][ T72] inet6_addr_add+0x4f8/0xa40 [ 6459.452978][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.452978][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.452978][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.452978][ T72] netlink_unicast+0x449/0x710 [ 6459.452978][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.452978][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.452978][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.452978][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.452978][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.452978][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.452978][ T72] [ 6459.454987][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6459.454987][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.454987][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.454987][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.454987][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6459.454987][ T72] ipv6_add_addr+0x411/0x2000 [ 6459.454987][ T72] inet6_addr_add+0x30e/0xa40 [ 6459.454987][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.454987][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.454987][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.454987][ T72] netlink_unicast+0x449/0x710 [ 6459.454987][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.454987][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.454987][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.454987][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.454987][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.454987][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.454987][ T72] [ 6459.456980][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6459.456980][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.456980][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.456980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.456980][ T72] ip6_route_add+0x1c/0x140 [ 6459.456980][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6459.456980][ T72] addrconf_add_dev+0xe2/0x170 [ 6459.456980][ T72] inet6_addr_add+0x12f/0xa40 [ 6459.456980][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.456980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.456980][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.456980][ T72] netlink_unicast+0x449/0x710 [ 6459.456980][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.456980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.456980][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.456980][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.456980][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.456980][ T72] [ 6459.458961][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6459.458961][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6459.458961][ T72] ipv6_find_idev+0x102/0x170 [ 6459.458961][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.458961][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.458961][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.458961][ T72] netlink_unicast+0x449/0x710 [ 6459.458961][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.458961][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.458961][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.458961][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.458961][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.458961][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.458961][ T72] [ 6459.460515][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6459.460515][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6459.460515][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6459.460515][ T72] ipv6_find_idev+0x102/0x170 [ 6459.460515][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.460515][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.460515][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.460515][ T72] netlink_unicast+0x449/0x710 [ 6459.460515][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.460515][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.460515][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.460515][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.460515][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.460515][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.460515][ T72] [ 6459.462238][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6459.462518][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6459.462518][ T72] dst_init+0x84/0x4a0 [ 6459.462518][ T72] dst_alloc+0x97/0x150 [ 6459.462518][ T72] ip6_dst_alloc+0x23/0x90 [ 6459.462518][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6459.462518][ T72] ip6_pol_route+0x56f/0x840 [ 6459.462518][ T72] fib6_rule_lookup+0x456/0x630 [ 6459.462518][ T72] ip6_route_input+0x59c/0xa50 [ 6459.462518][ T72] ipv6_rcv+0x397/0x810 [ 6459.462518][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6459.462518][ T72] process_backlog+0x101/0x620 [ 6459.462518][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6459.462518][ T72] net_rx_action+0x495/0xbe0 [ 6459.462518][ T72] __do_softirq+0x1b5/0x7f6 [ 6459.462518][ T72] [ 6459.464166][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6459.464166][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.464166][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.464166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.464166][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6459.464166][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6459.464166][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6459.464166][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6459.464166][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6459.464166][ T72] addrconf_dad_begin+0x310/0x670 [ 6459.464166][ T72] addrconf_dad_work+0x10b/0xab0 [ 6459.464166][ T72] process_one_work+0x84d/0x18a0 [ 6459.464166][ T72] worker_thread+0x587/0xd30 [ 6459.464166][ T72] kthread+0x28a/0x350 [ 6459.464166][ T72] ret_from_fork+0x31/0x70 [ 6459.464166][ T72] ret_from_fork_asm+0x1a/0x30 [ 6459.464166][ T72] [ 6459.466094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6459.466094][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.466094][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.466094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.466094][ T72] ip6_route_add+0x1c/0x140 [ 6459.466094][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6459.466094][ T72] inet6_addr_add+0x4f8/0xa40 [ 6459.466094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.466094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.466094][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.466094][ T72] netlink_unicast+0x449/0x710 [ 6459.466094][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.466094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.466094][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.466094][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.466094][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.466094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.466094][ T72] [ 6459.468110][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6459.468110][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.468110][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.468110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.468110][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6459.468110][ T72] ipv6_add_addr+0x411/0x2000 [ 6459.468110][ T72] inet6_addr_add+0x30e/0xa40 [ 6459.468110][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.468110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.468110][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.468110][ T72] netlink_unicast+0x449/0x710 [ 6459.468110][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.468110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.468110][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.468110][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.468110][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.468110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.468110][ T72] [ 6459.470126][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6459.470126][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.470126][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.470126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.470126][ T72] ip6_route_add+0x1c/0x140 [ 6459.470126][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6459.470126][ T72] addrconf_add_dev+0xe2/0x170 [ 6459.470126][ T72] inet6_addr_add+0x12f/0xa40 [ 6459.470126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.470126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.470126][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.470126][ T72] netlink_unicast+0x449/0x710 [ 6459.470126][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.470126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.470126][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.470126][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.470126][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.470126][ T72] [ 6459.472092][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6459.472092][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6459.472092][ T72] ipv6_find_idev+0x102/0x170 [ 6459.472092][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.472092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.472092][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.472092][ T72] netlink_unicast+0x449/0x710 [ 6459.472092][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.472092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.472092][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.472092][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.472092][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.472092][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.472092][ T72] [ 6459.473638][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6459.473638][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6459.473638][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6459.473638][ T72] ipv6_find_idev+0x102/0x170 [ 6459.473638][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.473638][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.473638][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.473638][ T72] netlink_unicast+0x449/0x710 [ 6459.473638][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.473638][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.473638][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.473638][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.473638][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.473638][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.473638][ T72] [ 6459.475460][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6459.475739][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6459.475739][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6459.475739][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6459.475739][ T72] fib6_nh_init+0xa22/0x1580 [ 6459.475739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.475739][ T72] ip6_route_add+0x1c/0x140 [ 6459.475739][ T72] inet6_rtm_newroute+0x104/0x110 [ 6459.475739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.475739][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.475739][ T72] netlink_unicast+0x449/0x710 [ 6459.475739][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.475739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.475739][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.475739][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.475739][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.475739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.475739][ T72] [ 6459.477874][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6459.477874][ T72] dst_init+0x84/0x4a0 [ 6459.477874][ T72] dst_alloc+0x97/0x150 [ 6459.477874][ T72] ip6_dst_alloc+0x23/0x90 [ 6459.477874][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6459.477874][ T72] ip6_pol_route+0x56f/0x840 [ 6459.477874][ T72] fib6_rule_lookup+0x456/0x630 [ 6459.477874][ T72] ip6_route_input+0x59c/0xa50 [ 6459.477874][ T72] ipv6_rcv+0x397/0x810 [ 6459.477874][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6459.477874][ T72] process_backlog+0x101/0x620 [ 6459.477874][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6459.477874][ T72] net_rx_action+0x495/0xbe0 [ 6459.477874][ T72] __do_softirq+0x1b5/0x7f6 [ 6459.477874][ T72] [ 6459.479760][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6459.479760][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.479760][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.479760][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.479760][ T72] ip6_route_add+0x1c/0x140 [ 6459.479760][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6459.479760][ T72] inet6_addr_add+0x4f8/0xa40 [ 6459.479760][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.479760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.479760][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.479760][ T72] netlink_unicast+0x449/0x710 [ 6459.479760][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.479760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.479760][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.479760][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.479760][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.479760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.479760][ T72] [ 6459.481938][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6459.481938][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.481938][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.481938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.481938][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6459.481938][ T72] ipv6_add_addr+0x411/0x2000 [ 6459.481938][ T72] inet6_addr_add+0x30e/0xa40 [ 6459.481938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.481938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.481938][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.481938][ T72] netlink_unicast+0x449/0x710 [ 6459.481938][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.481938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.481938][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.481938][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.481938][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.481938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.481938][ T72] [ 6459.484173][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6459.484173][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.484173][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.484173][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.484173][ T72] ip6_route_add+0x1c/0x140 [ 6459.484173][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6459.484173][ T72] addrconf_add_dev+0xe2/0x170 [ 6459.484173][ T72] inet6_addr_add+0x12f/0xa40 [ 6459.484173][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.484173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.484173][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.484173][ T72] netlink_unicast+0x449/0x710 [ 6459.484173][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.484173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.484173][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.484173][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.484173][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.484173][ T72] [ 6459.486447][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6459.486447][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6459.486447][ T72] ipv6_find_idev+0x102/0x170 [ 6459.486447][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.486447][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.486447][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.486447][ T72] netlink_unicast+0x449/0x710 [ 6459.486447][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.486447][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.486447][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.486447][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.486447][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.486447][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.486447][ T72] [ 6459.488170][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6459.488170][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6459.488170][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6459.488170][ T72] ipv6_find_idev+0x102/0x170 [ 6459.488170][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.488170][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.488170][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.488170][ T72] netlink_unicast+0x449/0x710 [ 6459.488170][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.488170][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.488170][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.488170][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.488170][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.488170][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.488170][ T72] [ 6459.490047][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6459.490389][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6459.490389][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.490389][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.490389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.490389][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6459.490389][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6459.490389][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6459.490389][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6459.490389][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6459.490389][ T72] addrconf_dad_begin+0x310/0x670 [ 6459.490389][ T72] addrconf_dad_work+0x10b/0xab0 [ 6459.490389][ T72] process_one_work+0x84d/0x18a0 [ 6459.490389][ T72] worker_thread+0x587/0xd30 [ 6459.490389][ T72] kthread+0x28a/0x350 [ 6459.490389][ T72] ret_from_fork+0x31/0x70 [ 6459.490389][ T72] ret_from_fork_asm+0x1a/0x30 [ 6459.490389][ T72] [ 6459.492486][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6459.492486][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.492486][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.492486][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.492486][ T72] ip6_route_add+0x1c/0x140 [ 6459.492486][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6459.492486][ T72] inet6_addr_add+0x4f8/0xa40 [ 6459.492486][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.492486][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.492486][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.492486][ T72] netlink_unicast+0x449/0x710 [ 6459.492486][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.492486][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.492486][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.492486][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.492486][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.492486][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.492486][ T72] [ 6459.494730][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6459.494730][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.494730][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.494730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.494730][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6459.494730][ T72] ipv6_add_addr+0x411/0x2000 [ 6459.494730][ T72] inet6_addr_add+0x30e/0xa40 [ 6459.494730][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.494730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.494730][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.494730][ T72] netlink_unicast+0x449/0x710 [ 6459.494730][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.494730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.494730][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.494730][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.494730][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.494730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.494730][ T72] [ 6459.497030][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6459.497030][ T72] netdev_get_by_index+0x5e/0x80 [ 6459.497030][ T72] fib6_nh_init+0x3d8/0x1580 [ 6459.497030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6459.497030][ T72] ip6_route_add+0x1c/0x140 [ 6459.497030][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6459.497030][ T72] addrconf_add_dev+0xe2/0x170 [ 6459.497030][ T72] inet6_addr_add+0x12f/0xa40 [ 6459.497030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.497030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.497030][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.497030][ T72] netlink_unicast+0x449/0x710 [ 6459.497030][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.497030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.497030][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.497030][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.497030][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.497030][ T72] [ 6459.499262][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6459.499262][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6459.499262][ T72] ipv6_find_idev+0x102/0x170 [ 6459.499262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.499262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.499262][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.499262][ T72] netlink_unicast+0x449/0x710 [ 6459.499262][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.499262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.499262][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.499262][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.499262][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.499262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.499262][ T72] [ 6459.500998][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6459.500998][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6459.500998][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6459.500998][ T72] ipv6_find_idev+0x102/0x170 [ 6459.500998][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.500998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.500998][ T72] netlink_rcv_skb+0x130/0x360 [ 6459.500998][ T72] netlink_unicast+0x449/0x710 [ 6459.500998][ T72] netlink_sendmsg+0x723/0xbe0 [ 6459.500998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6459.500998][ T72] ___sys_sendmsg+0xee/0x170 [ 6459.500998][ T72] __sys_sendmsg+0xcd/0x170 [ 6459.500998][ T72] do_syscall_64+0xc6/0x1e0 [ 6459.500998][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.500998][ T72] [ 6469.609055][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6469.609823][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6469.609823][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6469.609823][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6469.609823][ T72] fib6_nh_init+0xa22/0x1580 [ 6469.609823][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.609823][ T72] ip6_route_add+0x1c/0x140 [ 6469.609823][ T72] inet6_rtm_newroute+0x104/0x110 [ 6469.609823][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.609823][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.609823][ T72] netlink_unicast+0x449/0x710 [ 6469.609823][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.609823][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.609823][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.609823][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.609823][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.609823][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.609823][ T72] [ 6469.611751][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6469.611751][ T72] dst_init+0x84/0x4a0 [ 6469.611751][ T72] dst_alloc+0x97/0x150 [ 6469.611751][ T72] ip6_dst_alloc+0x23/0x90 [ 6469.611751][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6469.611751][ T72] ip6_pol_route+0x56f/0x840 [ 6469.611751][ T72] fib6_rule_lookup+0x456/0x630 [ 6469.611751][ T72] ip6_route_input+0x59c/0xa50 [ 6469.611751][ T72] ipv6_rcv+0x397/0x810 [ 6469.611751][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6469.611751][ T72] process_backlog+0x101/0x620 [ 6469.611751][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6469.611751][ T72] net_rx_action+0x495/0xbe0 [ 6469.611751][ T72] __do_softirq+0x1b5/0x7f6 [ 6469.611751][ T72] [ 6469.613473][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6469.613473][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.613473][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.613473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.613473][ T72] ip6_route_add+0x1c/0x140 [ 6469.613473][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6469.613473][ T72] inet6_addr_add+0x4f8/0xa40 [ 6469.613473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.613473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.613473][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.613473][ T72] netlink_unicast+0x449/0x710 [ 6469.613473][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.613473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.613473][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.613473][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.613473][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.613473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.613473][ T72] [ 6469.615494][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6469.615494][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.615494][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.615494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.615494][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6469.615494][ T72] ipv6_add_addr+0x411/0x2000 [ 6469.615494][ T72] inet6_addr_add+0x30e/0xa40 [ 6469.615494][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.615494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.615494][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.615494][ T72] netlink_unicast+0x449/0x710 [ 6469.615494][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.615494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.615494][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.615494][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.615494][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.615494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.615494][ T72] [ 6469.618050][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6469.618050][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.618050][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.618050][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.618050][ T72] ip6_route_add+0x1c/0x140 [ 6469.618050][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6469.618050][ T72] addrconf_add_dev+0xe2/0x170 [ 6469.618050][ T72] inet6_addr_add+0x12f/0xa40 [ 6469.618050][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.618050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.618050][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.618050][ T72] netlink_unicast+0x449/0x710 [ 6469.618050][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.618050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.618050][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.618050][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.618050][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.618050][ T72] [ 6469.620059][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6469.620059][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6469.620059][ T72] ipv6_find_idev+0x102/0x170 [ 6469.620059][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.620059][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.620059][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.620059][ T72] netlink_unicast+0x449/0x710 [ 6469.620059][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.620059][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.620059][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.620059][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.620059][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.620059][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.620059][ T72] [ 6469.621602][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6469.621602][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6469.621602][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6469.621602][ T72] ipv6_find_idev+0x102/0x170 [ 6469.621602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.621602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.621602][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.621602][ T72] netlink_unicast+0x449/0x710 [ 6469.621602][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.621602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.621602][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.621602][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.621602][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.621602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.621602][ T72] [ 6469.623334][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6469.623612][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6469.623612][ T72] dst_init+0x84/0x4a0 [ 6469.623612][ T72] dst_alloc+0x97/0x150 [ 6469.623612][ T72] ip6_dst_alloc+0x23/0x90 [ 6469.623612][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6469.623612][ T72] ip6_pol_route+0x56f/0x840 [ 6469.623612][ T72] fib6_rule_lookup+0x456/0x630 [ 6469.623612][ T72] ip6_route_input+0x59c/0xa50 [ 6469.623612][ T72] ipv6_rcv+0x397/0x810 [ 6469.623612][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6469.623612][ T72] process_backlog+0x101/0x620 [ 6469.623612][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6469.623612][ T72] net_rx_action+0x495/0xbe0 [ 6469.623612][ T72] __do_softirq+0x1b5/0x7f6 [ 6469.623612][ T72] [ 6469.625262][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6469.625262][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.625262][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.625262][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.625262][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6469.625262][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6469.625262][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6469.625262][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6469.625262][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6469.625262][ T72] addrconf_dad_begin+0x310/0x670 [ 6469.625262][ T72] addrconf_dad_work+0x10b/0xab0 [ 6469.625262][ T72] process_one_work+0x84d/0x18a0 [ 6469.625262][ T72] worker_thread+0x587/0xd30 [ 6469.625262][ T72] kthread+0x28a/0x350 [ 6469.625262][ T72] ret_from_fork+0x31/0x70 [ 6469.625262][ T72] ret_from_fork_asm+0x1a/0x30 [ 6469.625262][ T72] [ 6469.627179][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6469.627179][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.627179][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.627179][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.627179][ T72] ip6_route_add+0x1c/0x140 [ 6469.627179][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6469.627179][ T72] inet6_addr_add+0x4f8/0xa40 [ 6469.627179][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.627179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.627179][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.627179][ T72] netlink_unicast+0x449/0x710 [ 6469.627179][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.627179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.627179][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.627179][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.627179][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.627179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.627179][ T72] [ 6469.629186][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6469.629186][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.629186][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.629186][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.629186][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6469.629186][ T72] ipv6_add_addr+0x411/0x2000 [ 6469.629186][ T72] inet6_addr_add+0x30e/0xa40 [ 6469.629186][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.629186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.629186][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.629186][ T72] netlink_unicast+0x449/0x710 [ 6469.629186][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.629186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.629186][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.629186][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.629186][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.629186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.629186][ T72] [ 6469.631190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6469.631190][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.631190][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.631190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.631190][ T72] ip6_route_add+0x1c/0x140 [ 6469.631190][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6469.631190][ T72] addrconf_add_dev+0xe2/0x170 [ 6469.631190][ T72] inet6_addr_add+0x12f/0xa40 [ 6469.631190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.631190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.631190][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.631190][ T72] netlink_unicast+0x449/0x710 [ 6469.631190][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.631190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.631190][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.631190][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.631190][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.631190][ T72] [ 6469.633161][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6469.633161][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6469.633161][ T72] ipv6_find_idev+0x102/0x170 [ 6469.633161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.633161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.633161][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.633161][ T72] netlink_unicast+0x449/0x710 [ 6469.633161][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.633161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.633161][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.633161][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.633161][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.633161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.633161][ T72] [ 6469.634700][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6469.634700][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6469.634700][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6469.634700][ T72] ipv6_find_idev+0x102/0x170 [ 6469.634700][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.634700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.634700][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.634700][ T72] netlink_unicast+0x449/0x710 [ 6469.634700][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.634700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.634700][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.634700][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.634700][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.634700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.634700][ T72] [ 6469.636543][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6469.636814][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6469.636814][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6469.636814][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6469.636814][ T72] fib6_nh_init+0xa22/0x1580 [ 6469.636814][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.636814][ T72] ip6_route_add+0x1c/0x140 [ 6469.636814][ T72] inet6_rtm_newroute+0x104/0x110 [ 6469.636814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.636814][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.636814][ T72] netlink_unicast+0x449/0x710 [ 6469.636814][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.636814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.636814][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.636814][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.636814][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.636814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.636814][ T72] [ 6469.638949][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6469.638949][ T72] dst_init+0x84/0x4a0 [ 6469.638949][ T72] dst_alloc+0x97/0x150 [ 6469.638949][ T72] ip6_dst_alloc+0x23/0x90 [ 6469.638949][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6469.638949][ T72] ip6_pol_route+0x56f/0x840 [ 6469.638949][ T72] fib6_rule_lookup+0x456/0x630 [ 6469.638949][ T72] ip6_route_input+0x59c/0xa50 [ 6469.638949][ T72] ipv6_rcv+0x397/0x810 [ 6469.638949][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6469.638949][ T72] process_backlog+0x101/0x620 [ 6469.638949][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6469.638949][ T72] net_rx_action+0x495/0xbe0 [ 6469.638949][ T72] __do_softirq+0x1b5/0x7f6 [ 6469.638949][ T72] [ 6469.640836][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6469.640836][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.640836][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.640836][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.640836][ T72] ip6_route_add+0x1c/0x140 [ 6469.640836][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6469.640836][ T72] inet6_addr_add+0x4f8/0xa40 [ 6469.640836][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.640836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.640836][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.640836][ T72] netlink_unicast+0x449/0x710 [ 6469.640836][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.640836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.640836][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.640836][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.640836][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.640836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.640836][ T72] [ 6469.643026][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6469.643026][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.643026][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.643026][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.643026][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6469.643026][ T72] ipv6_add_addr+0x411/0x2000 [ 6469.643026][ T72] inet6_addr_add+0x30e/0xa40 [ 6469.643026][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.643026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.643026][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.643026][ T72] netlink_unicast+0x449/0x710 [ 6469.643026][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.643026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.643026][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.643026][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.643026][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.643026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.643026][ T72] [ 6469.645289][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6469.645289][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.645289][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.645289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.645289][ T72] ip6_route_add+0x1c/0x140 [ 6469.645289][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6469.645289][ T72] addrconf_add_dev+0xe2/0x170 [ 6469.645289][ T72] inet6_addr_add+0x12f/0xa40 [ 6469.645289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.645289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.645289][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.645289][ T72] netlink_unicast+0x449/0x710 [ 6469.645289][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.645289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.645289][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.645289][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.645289][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.645289][ T72] [ 6469.647562][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6469.647562][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6469.647562][ T72] ipv6_find_idev+0x102/0x170 [ 6469.647562][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.647562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.647562][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.647562][ T72] netlink_unicast+0x449/0x710 [ 6469.647562][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.647562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.647562][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.647562][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.647562][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.647562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.647562][ T72] [ 6469.677043][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6469.677043][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6469.677043][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6469.677043][ T72] ipv6_find_idev+0x102/0x170 [ 6469.677043][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.677043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.677043][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.677043][ T72] netlink_unicast+0x449/0x710 [ 6469.677043][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.677043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.677043][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.677043][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.677043][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.677043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.677043][ T72] [ 6469.678978][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6469.679321][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6469.679321][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.679321][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.679321][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.679321][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6469.679321][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6469.679321][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6469.679321][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6469.679321][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6469.679321][ T72] addrconf_dad_begin+0x310/0x670 [ 6469.679321][ T72] addrconf_dad_work+0x10b/0xab0 [ 6469.679321][ T72] process_one_work+0x84d/0x18a0 [ 6469.679321][ T72] worker_thread+0x587/0xd30 [ 6469.679321][ T72] kthread+0x28a/0x350 [ 6469.679321][ T72] ret_from_fork+0x31/0x70 [ 6469.679321][ T72] ret_from_fork_asm+0x1a/0x30 [ 6469.679321][ T72] [ 6469.681417][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6469.681417][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.681417][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.681417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.681417][ T72] ip6_route_add+0x1c/0x140 [ 6469.681417][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6469.681417][ T72] inet6_addr_add+0x4f8/0xa40 [ 6469.681417][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.681417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.681417][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.681417][ T72] netlink_unicast+0x449/0x710 [ 6469.681417][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.681417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.681417][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.681417][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.681417][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.681417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.681417][ T72] [ 6469.683692][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6469.683692][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.683692][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.683692][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.683692][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6469.683692][ T72] ipv6_add_addr+0x411/0x2000 [ 6469.683692][ T72] inet6_addr_add+0x30e/0xa40 [ 6469.683692][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.683692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.683692][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.683692][ T72] netlink_unicast+0x449/0x710 [ 6469.683692][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.683692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.683692][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.683692][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.683692][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.683692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.683692][ T72] [ 6469.685998][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6469.685998][ T72] netdev_get_by_index+0x5e/0x80 [ 6469.685998][ T72] fib6_nh_init+0x3d8/0x1580 [ 6469.685998][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6469.685998][ T72] ip6_route_add+0x1c/0x140 [ 6469.685998][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6469.685998][ T72] addrconf_add_dev+0xe2/0x170 [ 6469.685998][ T72] inet6_addr_add+0x12f/0xa40 [ 6469.685998][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.685998][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.685998][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.685998][ T72] netlink_unicast+0x449/0x710 [ 6469.685998][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.685998][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.685998][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.685998][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.685998][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.685998][ T72] [ 6469.688223][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6469.688223][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6469.688223][ T72] ipv6_find_idev+0x102/0x170 [ 6469.688223][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.688223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.688223][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.688223][ T72] netlink_unicast+0x449/0x710 [ 6469.688223][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.688223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.688223][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.688223][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.688223][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.688223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.688223][ T72] [ 6469.689946][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6469.689946][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6469.689946][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6469.689946][ T72] ipv6_find_idev+0x102/0x170 [ 6469.689946][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.689946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.689946][ T72] netlink_rcv_skb+0x130/0x360 [ 6469.689946][ T72] netlink_unicast+0x449/0x710 [ 6469.689946][ T72] netlink_sendmsg+0x723/0xbe0 [ 6469.689946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6469.689946][ T72] ___sys_sendmsg+0xee/0x170 [ 6469.689946][ T72] __sys_sendmsg+0xcd/0x170 [ 6469.689946][ T72] do_syscall_64+0xc6/0x1e0 [ 6469.689946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.689946][ T72] [ 6479.928950][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6479.929722][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6479.929722][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6479.929722][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6479.929722][ T72] fib6_nh_init+0xa22/0x1580 [ 6479.929722][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.929722][ T72] ip6_route_add+0x1c/0x140 [ 6479.929722][ T72] inet6_rtm_newroute+0x104/0x110 [ 6479.929722][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.929722][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.929722][ T72] netlink_unicast+0x449/0x710 [ 6479.929722][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.929722][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.929722][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.929722][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.929722][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.929722][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.929722][ T72] [ 6479.931643][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6479.931643][ T72] dst_init+0x84/0x4a0 [ 6479.931643][ T72] dst_alloc+0x97/0x150 [ 6479.931643][ T72] ip6_dst_alloc+0x23/0x90 [ 6479.931643][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6479.931643][ T72] ip6_pol_route+0x56f/0x840 [ 6479.931643][ T72] fib6_rule_lookup+0x456/0x630 [ 6479.931643][ T72] ip6_route_input+0x59c/0xa50 [ 6479.931643][ T72] ipv6_rcv+0x397/0x810 [ 6479.931643][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6479.931643][ T72] process_backlog+0x101/0x620 [ 6479.931643][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6479.931643][ T72] net_rx_action+0x495/0xbe0 [ 6479.931643][ T72] __do_softirq+0x1b5/0x7f6 [ 6479.931643][ T72] [ 6479.933254][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6479.933254][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.933254][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.933254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.933254][ T72] ip6_route_add+0x1c/0x140 [ 6479.933254][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6479.933254][ T72] inet6_addr_add+0x4f8/0xa40 [ 6479.933254][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.933254][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.933254][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.933254][ T72] netlink_unicast+0x449/0x710 [ 6479.933254][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.933254][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.933254][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.933254][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.933254][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.933254][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.933254][ T72] [ 6479.935288][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6479.935288][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.935288][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.935288][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.935288][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6479.935288][ T72] ipv6_add_addr+0x411/0x2000 [ 6479.935288][ T72] inet6_addr_add+0x30e/0xa40 [ 6479.935288][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.935288][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.935288][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.935288][ T72] netlink_unicast+0x449/0x710 [ 6479.935288][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.935288][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.935288][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.935288][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.935288][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.935288][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.935288][ T72] [ 6479.937326][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6479.937326][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.937326][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.937326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.937326][ T72] ip6_route_add+0x1c/0x140 [ 6479.937326][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6479.937326][ T72] addrconf_add_dev+0xe2/0x170 [ 6479.937326][ T72] inet6_addr_add+0x12f/0xa40 [ 6479.937326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.937326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.937326][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.937326][ T72] netlink_unicast+0x449/0x710 [ 6479.937326][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.937326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.937326][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.937326][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.937326][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.937326][ T72] [ 6479.939307][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6479.939307][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6479.939307][ T72] ipv6_find_idev+0x102/0x170 [ 6479.939307][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.939307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.939307][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.939307][ T72] netlink_unicast+0x449/0x710 [ 6479.939307][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.939307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.939307][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.939307][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.939307][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.939307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.939307][ T72] [ 6479.940869][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6479.940869][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6479.940869][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6479.940869][ T72] ipv6_find_idev+0x102/0x170 [ 6479.940869][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.940869][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.940869][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.940869][ T72] netlink_unicast+0x449/0x710 [ 6479.940869][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.940869][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.940869][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.940869][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.940869][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.940869][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.940869][ T72] [ 6479.942590][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6479.942893][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6479.942893][ T72] dst_init+0x84/0x4a0 [ 6479.942893][ T72] dst_alloc+0x97/0x150 [ 6479.942893][ T72] ip6_dst_alloc+0x23/0x90 [ 6479.942893][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6479.942893][ T72] ip6_pol_route+0x56f/0x840 [ 6479.942893][ T72] fib6_rule_lookup+0x456/0x630 [ 6479.942893][ T72] ip6_route_input+0x59c/0xa50 [ 6479.942893][ T72] ipv6_rcv+0x397/0x810 [ 6479.942893][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6479.942893][ T72] process_backlog+0x101/0x620 [ 6479.942893][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6479.942893][ T72] net_rx_action+0x495/0xbe0 [ 6479.942893][ T72] __do_softirq+0x1b5/0x7f6 [ 6479.942893][ T72] [ 6479.944553][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6479.944553][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.944553][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.944553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.944553][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6479.944553][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6479.944553][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6479.944553][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6479.944553][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6479.944553][ T72] addrconf_dad_begin+0x310/0x670 [ 6479.944553][ T72] addrconf_dad_work+0x10b/0xab0 [ 6479.944553][ T72] process_one_work+0x84d/0x18a0 [ 6479.944553][ T72] worker_thread+0x587/0xd30 [ 6479.944553][ T72] kthread+0x28a/0x350 [ 6479.944553][ T72] ret_from_fork+0x31/0x70 [ 6479.944553][ T72] ret_from_fork_asm+0x1a/0x30 [ 6479.944553][ T72] [ 6479.946455][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6479.946455][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.946455][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.946455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.946455][ T72] ip6_route_add+0x1c/0x140 [ 6479.946455][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6479.946455][ T72] inet6_addr_add+0x4f8/0xa40 [ 6479.946455][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.946455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.946455][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.946455][ T72] netlink_unicast+0x449/0x710 [ 6479.946455][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.946455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.946455][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.946455][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.946455][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.946455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.946455][ T72] [ 6479.948420][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6479.948420][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.948420][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.948420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.948420][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6479.948420][ T72] ipv6_add_addr+0x411/0x2000 [ 6479.948420][ T72] inet6_addr_add+0x30e/0xa40 [ 6479.948420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.948420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.948420][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.948420][ T72] netlink_unicast+0x449/0x710 [ 6479.948420][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.948420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.948420][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.948420][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.948420][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.948420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.948420][ T72] [ 6479.950381][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6479.950381][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.950381][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.950381][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.950381][ T72] ip6_route_add+0x1c/0x140 [ 6479.950381][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6479.950381][ T72] addrconf_add_dev+0xe2/0x170 [ 6479.950381][ T72] inet6_addr_add+0x12f/0xa40 [ 6479.950381][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.950381][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.950381][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.950381][ T72] netlink_unicast+0x449/0x710 [ 6479.950381][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.950381][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.950381][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.950381][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.950381][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.950381][ T72] [ 6479.952313][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6479.952313][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6479.952313][ T72] ipv6_find_idev+0x102/0x170 [ 6479.952313][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.952313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.952313][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.952313][ T72] netlink_unicast+0x449/0x710 [ 6479.952313][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.952313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.952313][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.952313][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.952313][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.952313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.952313][ T72] [ 6479.953848][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6479.953848][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6479.953848][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6479.953848][ T72] ipv6_find_idev+0x102/0x170 [ 6479.953848][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.953848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.953848][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.953848][ T72] netlink_unicast+0x449/0x710 [ 6479.953848][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.953848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.953848][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.953848][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.953848][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.953848][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.953848][ T72] [ 6479.955648][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6479.955944][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6479.955944][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6479.955944][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6479.955944][ T72] fib6_nh_init+0xa22/0x1580 [ 6479.955944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.955944][ T72] ip6_route_add+0x1c/0x140 [ 6479.955944][ T72] inet6_rtm_newroute+0x104/0x110 [ 6479.955944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.955944][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.955944][ T72] netlink_unicast+0x449/0x710 [ 6479.955944][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.955944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.955944][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.955944][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.955944][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.955944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.955944][ T72] [ 6479.958099][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6479.958099][ T72] dst_init+0x84/0x4a0 [ 6479.958099][ T72] dst_alloc+0x97/0x150 [ 6479.958099][ T72] ip6_dst_alloc+0x23/0x90 [ 6479.958099][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6479.958099][ T72] ip6_pol_route+0x56f/0x840 [ 6479.958099][ T72] fib6_rule_lookup+0x456/0x630 [ 6479.958099][ T72] ip6_route_input+0x59c/0xa50 [ 6479.958099][ T72] ipv6_rcv+0x397/0x810 [ 6479.958099][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6479.958099][ T72] process_backlog+0x101/0x620 [ 6479.958099][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6479.958099][ T72] net_rx_action+0x495/0xbe0 [ 6479.958099][ T72] __do_softirq+0x1b5/0x7f6 [ 6479.958099][ T72] [ 6479.960007][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6479.960007][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.960007][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.960007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.960007][ T72] ip6_route_add+0x1c/0x140 [ 6479.960007][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6479.960007][ T72] inet6_addr_add+0x4f8/0xa40 [ 6479.960007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.960007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.960007][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.960007][ T72] netlink_unicast+0x449/0x710 [ 6479.960007][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.960007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.960007][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.960007][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.960007][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.960007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.960007][ T72] [ 6479.962179][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6479.962179][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.962179][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.962179][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.962179][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6479.962179][ T72] ipv6_add_addr+0x411/0x2000 [ 6479.962179][ T72] inet6_addr_add+0x30e/0xa40 [ 6479.962179][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.962179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.962179][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.962179][ T72] netlink_unicast+0x449/0x710 [ 6479.962179][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.962179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.962179][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.962179][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.962179][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.962179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.962179][ T72] [ 6479.964412][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6479.964412][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.964412][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.964412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.964412][ T72] ip6_route_add+0x1c/0x140 [ 6479.964412][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6479.964412][ T72] addrconf_add_dev+0xe2/0x170 [ 6479.964412][ T72] inet6_addr_add+0x12f/0xa40 [ 6479.964412][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.964412][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.964412][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.964412][ T72] netlink_unicast+0x449/0x710 [ 6479.964412][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.964412][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.964412][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.964412][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.964412][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.964412][ T72] [ 6479.966677][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6479.966677][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6479.966677][ T72] ipv6_find_idev+0x102/0x170 [ 6479.966677][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.966677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.966677][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.966677][ T72] netlink_unicast+0x449/0x710 [ 6479.966677][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.966677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.966677][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.966677][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.966677][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.966677][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.966677][ T72] [ 6479.968426][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6479.968426][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6479.968426][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6479.968426][ T72] ipv6_find_idev+0x102/0x170 [ 6479.968426][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.968426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.968426][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.968426][ T72] netlink_unicast+0x449/0x710 [ 6479.968426][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.968426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.968426][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.968426][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.968426][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.968426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.968426][ T72] [ 6479.970327][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6479.970678][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6479.970678][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.970678][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.970678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.970678][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6479.970678][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6479.970678][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6479.970678][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6479.970678][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6479.970678][ T72] addrconf_dad_begin+0x310/0x670 [ 6479.970678][ T72] addrconf_dad_work+0x10b/0xab0 [ 6479.970678][ T72] process_one_work+0x84d/0x18a0 [ 6479.970678][ T72] worker_thread+0x587/0xd30 [ 6479.970678][ T72] kthread+0x28a/0x350 [ 6479.970678][ T72] ret_from_fork+0x31/0x70 [ 6479.970678][ T72] ret_from_fork_asm+0x1a/0x30 [ 6479.970678][ T72] [ 6479.972697][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6479.972697][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.972697][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.972697][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.972697][ T72] ip6_route_add+0x1c/0x140 [ 6479.972697][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6479.972697][ T72] inet6_addr_add+0x4f8/0xa40 [ 6479.972697][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.972697][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.972697][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.972697][ T72] netlink_unicast+0x449/0x710 [ 6479.972697][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.972697][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.972697][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.972697][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.972697][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.972697][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.972697][ T72] [ 6479.974948][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6479.974948][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.974948][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.974948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.974948][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6479.974948][ T72] ipv6_add_addr+0x411/0x2000 [ 6479.974948][ T72] inet6_addr_add+0x30e/0xa40 [ 6479.974948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.974948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.974948][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.974948][ T72] netlink_unicast+0x449/0x710 [ 6479.974948][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.974948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.974948][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.974948][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.974948][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.974948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.974948][ T72] [ 6479.977258][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6479.977258][ T72] netdev_get_by_index+0x5e/0x80 [ 6479.977258][ T72] fib6_nh_init+0x3d8/0x1580 [ 6479.977258][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6479.977258][ T72] ip6_route_add+0x1c/0x140 [ 6479.977258][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6479.977258][ T72] addrconf_add_dev+0xe2/0x170 [ 6479.977258][ T72] inet6_addr_add+0x12f/0xa40 [ 6479.977258][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6479.977258][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.977258][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.977258][ T72] netlink_unicast+0x449/0x710 [ 6479.977258][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.977258][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.977258][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.977258][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.977258][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.977258][ T72] [ 6479.979499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6479.979499][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6479.979499][ T72] ipv6_find_idev+0x102/0x170 [ 6479.979499][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.979499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.979499][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.979499][ T72] netlink_unicast+0x449/0x710 [ 6479.979499][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.979499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.979499][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.979499][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.979499][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.979499][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.979499][ T72] [ 6479.981253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6479.981253][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6479.981253][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6479.981253][ T72] ipv6_find_idev+0x102/0x170 [ 6479.981253][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6479.981253][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6479.981253][ T72] netlink_rcv_skb+0x130/0x360 [ 6479.981253][ T72] netlink_unicast+0x449/0x710 [ 6479.981253][ T72] netlink_sendmsg+0x723/0xbe0 [ 6479.981253][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6479.981253][ T72] ___sys_sendmsg+0xee/0x170 [ 6479.981253][ T72] __sys_sendmsg+0xcd/0x170 [ 6479.981253][ T72] do_syscall_64+0xc6/0x1e0 [ 6479.981253][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6479.981253][ T72] [ 6490.224988][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6490.225652][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6490.225652][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6490.225652][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6490.225652][ T72] fib6_nh_init+0xa22/0x1580 [ 6490.225652][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.225652][ T72] ip6_route_add+0x1c/0x140 [ 6490.225652][ T72] inet6_rtm_newroute+0x104/0x110 [ 6490.225652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.225652][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.225652][ T72] netlink_unicast+0x449/0x710 [ 6490.225652][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.225652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.225652][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.225652][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.225652][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.225652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.225652][ T72] [ 6490.227539][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6490.227539][ T72] dst_init+0x84/0x4a0 [ 6490.227539][ T72] dst_alloc+0x97/0x150 [ 6490.227539][ T72] ip6_dst_alloc+0x23/0x90 [ 6490.227539][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6490.227539][ T72] ip6_pol_route+0x56f/0x840 [ 6490.227539][ T72] fib6_rule_lookup+0x456/0x630 [ 6490.227539][ T72] ip6_route_input+0x59c/0xa50 [ 6490.227539][ T72] ipv6_rcv+0x397/0x810 [ 6490.227539][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6490.227539][ T72] process_backlog+0x101/0x620 [ 6490.227539][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6490.227539][ T72] net_rx_action+0x495/0xbe0 [ 6490.227539][ T72] __do_softirq+0x1b5/0x7f6 [ 6490.227539][ T72] [ 6490.229194][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6490.229194][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.229194][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.229194][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.229194][ T72] ip6_route_add+0x1c/0x140 [ 6490.229194][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6490.229194][ T72] inet6_addr_add+0x4f8/0xa40 [ 6490.229194][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.229194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.229194][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.229194][ T72] netlink_unicast+0x449/0x710 [ 6490.229194][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.229194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.229194][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.229194][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.229194][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.229194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.229194][ T72] [ 6490.231179][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6490.231179][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.231179][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.231179][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.231179][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6490.231179][ T72] ipv6_add_addr+0x411/0x2000 [ 6490.231179][ T72] inet6_addr_add+0x30e/0xa40 [ 6490.231179][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.231179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.231179][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.231179][ T72] netlink_unicast+0x449/0x710 [ 6490.231179][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.231179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.231179][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.231179][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.231179][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.231179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.231179][ T72] [ 6490.233164][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6490.233164][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.233164][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.233164][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.233164][ T72] ip6_route_add+0x1c/0x140 [ 6490.233164][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6490.233164][ T72] addrconf_add_dev+0xe2/0x170 [ 6490.233164][ T72] inet6_addr_add+0x12f/0xa40 [ 6490.233164][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.233164][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.233164][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.233164][ T72] netlink_unicast+0x449/0x710 [ 6490.233164][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.233164][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.233164][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.233164][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.233164][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.233164][ T72] [ 6490.235113][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6490.235113][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6490.235113][ T72] ipv6_find_idev+0x102/0x170 [ 6490.235113][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.235113][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.235113][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.235113][ T72] netlink_unicast+0x449/0x710 [ 6490.235113][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.235113][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.235113][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.235113][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.235113][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.235113][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.235113][ T72] [ 6490.236637][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6490.236637][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6490.236637][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6490.236637][ T72] ipv6_find_idev+0x102/0x170 [ 6490.236637][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.236637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.236637][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.236637][ T72] netlink_unicast+0x449/0x710 [ 6490.236637][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.236637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.236637][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.236637][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.236637][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.236637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.236637][ T72] [ 6490.238320][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6490.238592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6490.238592][ T72] dst_init+0x84/0x4a0 [ 6490.238592][ T72] dst_alloc+0x97/0x150 [ 6490.238592][ T72] ip6_dst_alloc+0x23/0x90 [ 6490.238592][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6490.238592][ T72] ip6_pol_route+0x56f/0x840 [ 6490.238592][ T72] fib6_rule_lookup+0x456/0x630 [ 6490.238592][ T72] ip6_route_input+0x59c/0xa50 [ 6490.238592][ T72] ipv6_rcv+0x397/0x810 [ 6490.238592][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6490.238592][ T72] process_backlog+0x101/0x620 [ 6490.238592][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6490.238592][ T72] net_rx_action+0x495/0xbe0 [ 6490.238592][ T72] __do_softirq+0x1b5/0x7f6 [ 6490.238592][ T72] [ 6490.240254][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6490.240254][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.240254][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.240254][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.240254][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6490.240254][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6490.240254][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6490.240254][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6490.240254][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6490.240254][ T72] addrconf_dad_begin+0x310/0x670 [ 6490.240254][ T72] addrconf_dad_work+0x10b/0xab0 [ 6490.240254][ T72] process_one_work+0x84d/0x18a0 [ 6490.240254][ T72] worker_thread+0x587/0xd30 [ 6490.240254][ T72] kthread+0x28a/0x350 [ 6490.240254][ T72] ret_from_fork+0x31/0x70 [ 6490.240254][ T72] ret_from_fork_asm+0x1a/0x30 [ 6490.240254][ T72] [ 6490.242149][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6490.242149][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.242149][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.242149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.242149][ T72] ip6_route_add+0x1c/0x140 [ 6490.242149][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6490.242149][ T72] inet6_addr_add+0x4f8/0xa40 [ 6490.242149][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.242149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.242149][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.242149][ T72] netlink_unicast+0x449/0x710 [ 6490.242149][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.242149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.242149][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.242149][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.242149][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.242149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.242149][ T72] [ 6490.244125][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6490.244125][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.244125][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.244125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.244125][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6490.244125][ T72] ipv6_add_addr+0x411/0x2000 [ 6490.244125][ T72] inet6_addr_add+0x30e/0xa40 [ 6490.244125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.244125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.244125][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.244125][ T72] netlink_unicast+0x449/0x710 [ 6490.244125][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.244125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.244125][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.244125][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.244125][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.244125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.244125][ T72] [ 6490.246112][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6490.246112][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.246112][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.246112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.246112][ T72] ip6_route_add+0x1c/0x140 [ 6490.246112][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6490.246112][ T72] addrconf_add_dev+0xe2/0x170 [ 6490.246112][ T72] inet6_addr_add+0x12f/0xa40 [ 6490.246112][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.246112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.246112][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.246112][ T72] netlink_unicast+0x449/0x710 [ 6490.246112][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.246112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.246112][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.246112][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.246112][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.246112][ T72] [ 6490.248064][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6490.248064][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6490.248064][ T72] ipv6_find_idev+0x102/0x170 [ 6490.248064][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.248064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.248064][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.248064][ T72] netlink_unicast+0x449/0x710 [ 6490.248064][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.248064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.248064][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.248064][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.248064][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.248064][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.248064][ T72] [ 6490.249592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6490.249592][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6490.249592][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6490.249592][ T72] ipv6_find_idev+0x102/0x170 [ 6490.249592][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.249592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.249592][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.249592][ T72] netlink_unicast+0x449/0x710 [ 6490.249592][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.249592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.249592][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.249592][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.249592][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.249592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.249592][ T72] [ 6490.251404][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6490.251681][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6490.251681][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6490.251681][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6490.251681][ T72] fib6_nh_init+0xa22/0x1580 [ 6490.251681][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.251681][ T72] ip6_route_add+0x1c/0x140 [ 6490.251681][ T72] inet6_rtm_newroute+0x104/0x110 [ 6490.251681][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.251681][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.251681][ T72] netlink_unicast+0x449/0x710 [ 6490.251681][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.251681][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.251681][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.251681][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.251681][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.251681][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.251681][ T72] [ 6490.253860][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6490.253860][ T72] dst_init+0x84/0x4a0 [ 6490.253860][ T72] dst_alloc+0x97/0x150 [ 6490.253860][ T72] ip6_dst_alloc+0x23/0x90 [ 6490.253860][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6490.253860][ T72] ip6_pol_route+0x56f/0x840 [ 6490.253860][ T72] fib6_rule_lookup+0x456/0x630 [ 6490.253860][ T72] ip6_route_input+0x59c/0xa50 [ 6490.253860][ T72] ipv6_rcv+0x397/0x810 [ 6490.253860][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6490.253860][ T72] process_backlog+0x101/0x620 [ 6490.253860][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6490.253860][ T72] net_rx_action+0x495/0xbe0 [ 6490.253860][ T72] __do_softirq+0x1b5/0x7f6 [ 6490.253860][ T72] [ 6490.255773][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6490.255773][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.255773][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.255773][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.255773][ T72] ip6_route_add+0x1c/0x140 [ 6490.255773][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6490.255773][ T72] inet6_addr_add+0x4f8/0xa40 [ 6490.255773][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.255773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.255773][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.255773][ T72] netlink_unicast+0x449/0x710 [ 6490.255773][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.255773][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.255773][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.255773][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.255773][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.255773][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.255773][ T72] [ 6490.257944][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6490.257944][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.257944][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.257944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.257944][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6490.257944][ T72] ipv6_add_addr+0x411/0x2000 [ 6490.257944][ T72] inet6_addr_add+0x30e/0xa40 [ 6490.257944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.257944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.257944][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.257944][ T72] netlink_unicast+0x449/0x710 [ 6490.257944][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.257944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.257944][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.257944][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.257944][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.257944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.257944][ T72] [ 6490.260174][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6490.260174][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.260174][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.260174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.260174][ T72] ip6_route_add+0x1c/0x140 [ 6490.260174][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6490.260174][ T72] addrconf_add_dev+0xe2/0x170 [ 6490.260174][ T72] inet6_addr_add+0x12f/0xa40 [ 6490.260174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.260174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.260174][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.260174][ T72] netlink_unicast+0x449/0x710 [ 6490.260174][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.260174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.260174][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.260174][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.260174][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.260174][ T72] [ 6490.262424][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6490.262424][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6490.262424][ T72] ipv6_find_idev+0x102/0x170 [ 6490.262424][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.262424][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.262424][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.262424][ T72] netlink_unicast+0x449/0x710 [ 6490.262424][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.262424][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.262424][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.262424][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.262424][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.262424][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.262424][ T72] [ 6490.264132][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6490.264132][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6490.264132][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6490.264132][ T72] ipv6_find_idev+0x102/0x170 [ 6490.264132][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.264132][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.264132][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.264132][ T72] netlink_unicast+0x449/0x710 [ 6490.264132][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.264132][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.264132][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.264132][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.264132][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.264132][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.264132][ T72] [ 6490.266005][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6490.266346][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6490.266346][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.266346][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.266346][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.266346][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6490.266346][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6490.266346][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6490.266346][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6490.266346][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6490.266346][ T72] addrconf_dad_begin+0x310/0x670 [ 6490.266346][ T72] addrconf_dad_work+0x10b/0xab0 [ 6490.266346][ T72] process_one_work+0x84d/0x18a0 [ 6490.266346][ T72] worker_thread+0x587/0xd30 [ 6490.266346][ T72] kthread+0x28a/0x350 [ 6490.266346][ T72] ret_from_fork+0x31/0x70 [ 6490.266346][ T72] ret_from_fork_asm+0x1a/0x30 [ 6490.266346][ T72] [ 6490.268364][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6490.268364][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.268364][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.268364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.268364][ T72] ip6_route_add+0x1c/0x140 [ 6490.268364][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6490.268364][ T72] inet6_addr_add+0x4f8/0xa40 [ 6490.268364][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.268364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.268364][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.268364][ T72] netlink_unicast+0x449/0x710 [ 6490.268364][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.268364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.268364][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.268364][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.268364][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.268364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.268364][ T72] [ 6490.270590][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6490.270590][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.270590][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.270590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.270590][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6490.270590][ T72] ipv6_add_addr+0x411/0x2000 [ 6490.270590][ T72] inet6_addr_add+0x30e/0xa40 [ 6490.270590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.270590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.270590][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.270590][ T72] netlink_unicast+0x449/0x710 [ 6490.270590][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.270590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.270590][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.270590][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.270590][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.270590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.270590][ T72] [ 6490.272887][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6490.272887][ T72] netdev_get_by_index+0x5e/0x80 [ 6490.272887][ T72] fib6_nh_init+0x3d8/0x1580 [ 6490.272887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6490.272887][ T72] ip6_route_add+0x1c/0x140 [ 6490.272887][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6490.272887][ T72] addrconf_add_dev+0xe2/0x170 [ 6490.272887][ T72] inet6_addr_add+0x12f/0xa40 [ 6490.272887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.272887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.272887][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.272887][ T72] netlink_unicast+0x449/0x710 [ 6490.272887][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.272887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.272887][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.272887][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.272887][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.272887][ T72] [ 6490.275075][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6490.275075][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6490.275075][ T72] ipv6_find_idev+0x102/0x170 [ 6490.275075][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.275075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.275075][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.275075][ T72] netlink_unicast+0x449/0x710 [ 6490.275075][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.275075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.275075][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.275075][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.275075][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.275075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.275075][ T72] [ 6490.276783][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6490.276783][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6490.276783][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6490.276783][ T72] ipv6_find_idev+0x102/0x170 [ 6490.276783][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.276783][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.276783][ T72] netlink_rcv_skb+0x130/0x360 [ 6490.276783][ T72] netlink_unicast+0x449/0x710 [ 6490.276783][ T72] netlink_sendmsg+0x723/0xbe0 [ 6490.276783][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6490.276783][ T72] ___sys_sendmsg+0xee/0x170 [ 6490.276783][ T72] __sys_sendmsg+0xcd/0x170 [ 6490.276783][ T72] do_syscall_64+0xc6/0x1e0 [ 6490.276783][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.276783][ T72] [ 6500.432970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6500.433577][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6500.433577][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6500.433577][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6500.433577][ T72] fib6_nh_init+0xa22/0x1580 [ 6500.433577][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.433577][ T72] ip6_route_add+0x1c/0x140 [ 6500.433577][ T72] inet6_rtm_newroute+0x104/0x110 [ 6500.433577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.433577][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.433577][ T72] netlink_unicast+0x449/0x710 [ 6500.433577][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.433577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.433577][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.433577][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.433577][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.433577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.433577][ T72] [ 6500.435471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6500.435471][ T72] dst_init+0x84/0x4a0 [ 6500.435471][ T72] dst_alloc+0x97/0x150 [ 6500.435471][ T72] ip6_dst_alloc+0x23/0x90 [ 6500.435471][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6500.435471][ T72] ip6_pol_route+0x56f/0x840 [ 6500.435471][ T72] fib6_rule_lookup+0x456/0x630 [ 6500.435471][ T72] ip6_route_input+0x59c/0xa50 [ 6500.435471][ T72] ipv6_rcv+0x397/0x810 [ 6500.435471][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6500.435471][ T72] process_backlog+0x101/0x620 [ 6500.435471][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6500.435471][ T72] net_rx_action+0x495/0xbe0 [ 6500.435471][ T72] __do_softirq+0x1b5/0x7f6 [ 6500.435471][ T72] [ 6500.437007][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6500.437007][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.437007][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.437007][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.437007][ T72] ip6_route_add+0x1c/0x140 [ 6500.437007][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6500.437007][ T72] inet6_addr_add+0x4f8/0xa40 [ 6500.437007][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.437007][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.437007][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.437007][ T72] netlink_unicast+0x449/0x710 [ 6500.437007][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.437007][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.437007][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.437007][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.437007][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.437007][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.437007][ T72] [ 6500.438939][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6500.438939][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.438939][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.438939][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.438939][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6500.438939][ T72] ipv6_add_addr+0x411/0x2000 [ 6500.438939][ T72] inet6_addr_add+0x30e/0xa40 [ 6500.438939][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.438939][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.438939][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.438939][ T72] netlink_unicast+0x449/0x710 [ 6500.438939][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.438939][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.438939][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.438939][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.438939][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.438939][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.438939][ T72] [ 6500.440807][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6500.440807][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.440807][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.440807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.440807][ T72] ip6_route_add+0x1c/0x140 [ 6500.440807][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6500.440807][ T72] addrconf_add_dev+0xe2/0x170 [ 6500.440807][ T72] inet6_addr_add+0x12f/0xa40 [ 6500.440807][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.440807][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.440807][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.440807][ T72] netlink_unicast+0x449/0x710 [ 6500.440807][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.440807][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.440807][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.440807][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.440807][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.440807][ T72] [ 6500.442735][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6500.442735][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6500.442735][ T72] ipv6_find_idev+0x102/0x170 [ 6500.442735][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.442735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.442735][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.442735][ T72] netlink_unicast+0x449/0x710 [ 6500.442735][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.442735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.442735][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.442735][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.442735][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.442735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.442735][ T72] [ 6500.444309][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6500.444309][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6500.444309][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6500.444309][ T72] ipv6_find_idev+0x102/0x170 [ 6500.444309][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.444309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.444309][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.444309][ T72] netlink_unicast+0x449/0x710 [ 6500.444309][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.444309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.444309][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.444309][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.444309][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.444309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.444309][ T72] [ 6500.446057][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6500.446340][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6500.446340][ T72] dst_init+0x84/0x4a0 [ 6500.446340][ T72] dst_alloc+0x97/0x150 [ 6500.446340][ T72] ip6_dst_alloc+0x23/0x90 [ 6500.446340][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6500.446340][ T72] ip6_pol_route+0x56f/0x840 [ 6500.446340][ T72] fib6_rule_lookup+0x456/0x630 [ 6500.446340][ T72] ip6_route_input+0x59c/0xa50 [ 6500.446340][ T72] ipv6_rcv+0x397/0x810 [ 6500.446340][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6500.446340][ T72] process_backlog+0x101/0x620 [ 6500.446340][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6500.446340][ T72] net_rx_action+0x495/0xbe0 [ 6500.446340][ T72] __do_softirq+0x1b5/0x7f6 [ 6500.446340][ T72] [ 6500.448003][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6500.448003][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.448003][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.448003][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.448003][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6500.448003][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6500.448003][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6500.448003][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6500.448003][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6500.448003][ T72] addrconf_dad_begin+0x310/0x670 [ 6500.448003][ T72] addrconf_dad_work+0x10b/0xab0 [ 6500.448003][ T72] process_one_work+0x84d/0x18a0 [ 6500.448003][ T72] worker_thread+0x587/0xd30 [ 6500.448003][ T72] kthread+0x28a/0x350 [ 6500.448003][ T72] ret_from_fork+0x31/0x70 [ 6500.448003][ T72] ret_from_fork_asm+0x1a/0x30 [ 6500.448003][ T72] [ 6500.449966][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6500.449966][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.449966][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.449966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.449966][ T72] ip6_route_add+0x1c/0x140 [ 6500.449966][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6500.449966][ T72] inet6_addr_add+0x4f8/0xa40 [ 6500.449966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.449966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.449966][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.449966][ T72] netlink_unicast+0x449/0x710 [ 6500.449966][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.449966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.449966][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.449966][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.449966][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.449966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.449966][ T72] [ 6500.451927][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6500.451927][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.451927][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.451927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.451927][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6500.451927][ T72] ipv6_add_addr+0x411/0x2000 [ 6500.451927][ T72] inet6_addr_add+0x30e/0xa40 [ 6500.451927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.451927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.451927][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.451927][ T72] netlink_unicast+0x449/0x710 [ 6500.451927][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.451927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.451927][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.451927][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.451927][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.451927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.451927][ T72] [ 6500.453896][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6500.453896][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.453896][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.453896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.453896][ T72] ip6_route_add+0x1c/0x140 [ 6500.453896][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6500.453896][ T72] addrconf_add_dev+0xe2/0x170 [ 6500.453896][ T72] inet6_addr_add+0x12f/0xa40 [ 6500.453896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.453896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.453896][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.453896][ T72] netlink_unicast+0x449/0x710 [ 6500.453896][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.453896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.453896][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.453896][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.453896][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.453896][ T72] [ 6500.455862][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6500.455862][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6500.455862][ T72] ipv6_find_idev+0x102/0x170 [ 6500.455862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.455862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.455862][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.455862][ T72] netlink_unicast+0x449/0x710 [ 6500.455862][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.455862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.455862][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.455862][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.455862][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.455862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.455862][ T72] [ 6500.457371][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6500.457371][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6500.457371][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6500.457371][ T72] ipv6_find_idev+0x102/0x170 [ 6500.457371][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.457371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.457371][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.457371][ T72] netlink_unicast+0x449/0x710 [ 6500.457371][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.457371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.457371][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.457371][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.457371][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.457371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.457371][ T72] [ 6500.459310][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6500.459583][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6500.459583][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6500.459583][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6500.459583][ T72] fib6_nh_init+0xa22/0x1580 [ 6500.459583][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.459583][ T72] ip6_route_add+0x1c/0x140 [ 6500.459583][ T72] inet6_rtm_newroute+0x104/0x110 [ 6500.459583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.459583][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.459583][ T72] netlink_unicast+0x449/0x710 [ 6500.459583][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.459583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.459583][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.459583][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.459583][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.459583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.459583][ T72] [ 6500.461711][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6500.461711][ T72] dst_init+0x84/0x4a0 [ 6500.461711][ T72] dst_alloc+0x97/0x150 [ 6500.461711][ T72] ip6_dst_alloc+0x23/0x90 [ 6500.461711][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6500.461711][ T72] ip6_pol_route+0x56f/0x840 [ 6500.461711][ T72] fib6_rule_lookup+0x456/0x630 [ 6500.461711][ T72] ip6_route_input+0x59c/0xa50 [ 6500.461711][ T72] ipv6_rcv+0x397/0x810 [ 6500.461711][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6500.461711][ T72] process_backlog+0x101/0x620 [ 6500.461711][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6500.461711][ T72] net_rx_action+0x495/0xbe0 [ 6500.461711][ T72] __do_softirq+0x1b5/0x7f6 [ 6500.461711][ T72] [ 6500.463609][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6500.463609][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.463609][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.463609][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.463609][ T72] ip6_route_add+0x1c/0x140 [ 6500.463609][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6500.463609][ T72] inet6_addr_add+0x4f8/0xa40 [ 6500.463609][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.463609][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.463609][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.463609][ T72] netlink_unicast+0x449/0x710 [ 6500.463609][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.463609][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.463609][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.463609][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.463609][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.463609][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.463609][ T72] [ 6500.465792][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6500.465792][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.465792][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.465792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.465792][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6500.465792][ T72] ipv6_add_addr+0x411/0x2000 [ 6500.465792][ T72] inet6_addr_add+0x30e/0xa40 [ 6500.465792][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.465792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.465792][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.465792][ T72] netlink_unicast+0x449/0x710 [ 6500.465792][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.465792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.465792][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.465792][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.465792][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.465792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.465792][ T72] [ 6500.468076][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6500.468076][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.468076][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.468076][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.468076][ T72] ip6_route_add+0x1c/0x140 [ 6500.468076][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6500.468076][ T72] addrconf_add_dev+0xe2/0x170 [ 6500.468076][ T72] inet6_addr_add+0x12f/0xa40 [ 6500.468076][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.468076][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.468076][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.468076][ T72] netlink_unicast+0x449/0x710 [ 6500.468076][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.468076][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.468076][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.468076][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.468076][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.468076][ T72] [ 6500.470358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6500.470358][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6500.470358][ T72] ipv6_find_idev+0x102/0x170 [ 6500.470358][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.470358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.470358][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.470358][ T72] netlink_unicast+0x449/0x710 [ 6500.470358][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.470358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.470358][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.470358][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.470358][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.470358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.470358][ T72] [ 6500.472079][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6500.472079][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6500.472079][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6500.472079][ T72] ipv6_find_idev+0x102/0x170 [ 6500.472079][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.472079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.472079][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.472079][ T72] netlink_unicast+0x449/0x710 [ 6500.472079][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.472079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.472079][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.472079][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.472079][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.472079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.472079][ T72] [ 6500.473954][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6500.474299][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6500.474299][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.474299][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.474299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.474299][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6500.474299][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6500.474299][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6500.474299][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6500.474299][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6500.474299][ T72] addrconf_dad_begin+0x310/0x670 [ 6500.474299][ T72] addrconf_dad_work+0x10b/0xab0 [ 6500.474299][ T72] process_one_work+0x84d/0x18a0 [ 6500.474299][ T72] worker_thread+0x587/0xd30 [ 6500.474299][ T72] kthread+0x28a/0x350 [ 6500.474299][ T72] ret_from_fork+0x31/0x70 [ 6500.474299][ T72] ret_from_fork_asm+0x1a/0x30 [ 6500.474299][ T72] [ 6500.476399][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6500.476399][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.476399][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.476399][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.476399][ T72] ip6_route_add+0x1c/0x140 [ 6500.476399][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6500.476399][ T72] inet6_addr_add+0x4f8/0xa40 [ 6500.476399][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.476399][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.476399][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.476399][ T72] netlink_unicast+0x449/0x710 [ 6500.476399][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.476399][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.476399][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.476399][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.476399][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.476399][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.476399][ T72] [ 6500.478632][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6500.478632][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.478632][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.478632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.478632][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6500.478632][ T72] ipv6_add_addr+0x411/0x2000 [ 6500.478632][ T72] inet6_addr_add+0x30e/0xa40 [ 6500.478632][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.478632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.478632][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.478632][ T72] netlink_unicast+0x449/0x710 [ 6500.478632][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.478632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.478632][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.478632][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.478632][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.478632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.478632][ T72] [ 6500.480932][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6500.480932][ T72] netdev_get_by_index+0x5e/0x80 [ 6500.480932][ T72] fib6_nh_init+0x3d8/0x1580 [ 6500.480932][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6500.480932][ T72] ip6_route_add+0x1c/0x140 [ 6500.480932][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6500.480932][ T72] addrconf_add_dev+0xe2/0x170 [ 6500.480932][ T72] inet6_addr_add+0x12f/0xa40 [ 6500.480932][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.480932][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.480932][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.480932][ T72] netlink_unicast+0x449/0x710 [ 6500.480932][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.480932][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.480932][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.480932][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.480932][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.480932][ T72] [ 6500.483085][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6500.483085][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6500.483085][ T72] ipv6_find_idev+0x102/0x170 [ 6500.483085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.483085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.483085][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.483085][ T72] netlink_unicast+0x449/0x710 [ 6500.483085][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.483085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.483085][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.483085][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.483085][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.483085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.483085][ T72] [ 6500.484786][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6500.484786][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6500.484786][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6500.484786][ T72] ipv6_find_idev+0x102/0x170 [ 6500.484786][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.484786][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.484786][ T72] netlink_rcv_skb+0x130/0x360 [ 6500.484786][ T72] netlink_unicast+0x449/0x710 [ 6500.484786][ T72] netlink_sendmsg+0x723/0xbe0 [ 6500.484786][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6500.484786][ T72] ___sys_sendmsg+0xee/0x170 [ 6500.484786][ T72] __sys_sendmsg+0xcd/0x170 [ 6500.484786][ T72] do_syscall_64+0xc6/0x1e0 [ 6500.484786][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.484786][ T72] [ 6510.497000][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6510.497867][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6510.497867][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6510.497867][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6510.497867][ T72] fib6_nh_init+0xa22/0x1580 [ 6510.497867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.497867][ T72] ip6_route_add+0x1c/0x140 [ 6510.497867][ T72] inet6_rtm_newroute+0x104/0x110 [ 6510.497867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.497867][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.497867][ T72] netlink_unicast+0x449/0x710 [ 6510.497867][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.497867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.497867][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.497867][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.497867][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.497867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.497867][ T72] [ 6510.499812][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6510.499812][ T72] dst_init+0x84/0x4a0 [ 6510.499812][ T72] dst_alloc+0x97/0x150 [ 6510.499812][ T72] ip6_dst_alloc+0x23/0x90 [ 6510.499812][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6510.499812][ T72] ip6_pol_route+0x56f/0x840 [ 6510.499812][ T72] fib6_rule_lookup+0x456/0x630 [ 6510.499812][ T72] ip6_route_input+0x59c/0xa50 [ 6510.499812][ T72] ipv6_rcv+0x397/0x810 [ 6510.499812][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6510.499812][ T72] process_backlog+0x101/0x620 [ 6510.499812][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6510.499812][ T72] net_rx_action+0x495/0xbe0 [ 6510.499812][ T72] __do_softirq+0x1b5/0x7f6 [ 6510.499812][ T72] [ 6510.501516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6510.501516][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.501516][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.501516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.501516][ T72] ip6_route_add+0x1c/0x140 [ 6510.501516][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6510.501516][ T72] inet6_addr_add+0x4f8/0xa40 [ 6510.501516][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.501516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.501516][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.501516][ T72] netlink_unicast+0x449/0x710 [ 6510.501516][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.501516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.501516][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.501516][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.501516][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.501516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.501516][ T72] [ 6510.503524][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6510.503524][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.503524][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.503524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.503524][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6510.503524][ T72] ipv6_add_addr+0x411/0x2000 [ 6510.503524][ T72] inet6_addr_add+0x30e/0xa40 [ 6510.503524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.503524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.503524][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.503524][ T72] netlink_unicast+0x449/0x710 [ 6510.503524][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.503524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.503524][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.503524][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.503524][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.503524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.503524][ T72] [ 6510.505530][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6510.505530][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.505530][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.505530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.505530][ T72] ip6_route_add+0x1c/0x140 [ 6510.505530][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6510.505530][ T72] addrconf_add_dev+0xe2/0x170 [ 6510.505530][ T72] inet6_addr_add+0x12f/0xa40 [ 6510.505530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.505530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.505530][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.505530][ T72] netlink_unicast+0x449/0x710 [ 6510.505530][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.505530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.505530][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.505530][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.505530][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.505530][ T72] [ 6510.507500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6510.507500][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6510.507500][ T72] ipv6_find_idev+0x102/0x170 [ 6510.507500][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6510.507500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.507500][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.507500][ T72] netlink_unicast+0x449/0x710 [ 6510.507500][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.507500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.507500][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.507500][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.507500][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.507500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.507500][ T72] [ 6510.509075][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6510.509075][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6510.509075][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6510.509075][ T72] ipv6_find_idev+0x102/0x170 [ 6510.509075][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6510.509075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.509075][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.509075][ T72] netlink_unicast+0x449/0x710 [ 6510.509075][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.509075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.509075][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.509075][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.509075][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.509075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.509075][ T72] [ 6510.510806][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6510.511091][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6510.511091][ T72] dst_init+0x84/0x4a0 [ 6510.511091][ T72] dst_alloc+0x97/0x150 [ 6510.511091][ T72] ip6_dst_alloc+0x23/0x90 [ 6510.511091][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6510.511091][ T72] ip6_pol_route+0x56f/0x840 [ 6510.511091][ T72] fib6_rule_lookup+0x456/0x630 [ 6510.511091][ T72] ip6_route_input+0x59c/0xa50 [ 6510.511091][ T72] ipv6_rcv+0x397/0x810 [ 6510.511091][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6510.511091][ T72] process_backlog+0x101/0x620 [ 6510.511091][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6510.511091][ T72] net_rx_action+0x495/0xbe0 [ 6510.511091][ T72] __do_softirq+0x1b5/0x7f6 [ 6510.511091][ T72] [ 6510.512743][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6510.512743][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.512743][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.512743][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.512743][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6510.512743][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6510.512743][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6510.512743][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6510.512743][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6510.512743][ T72] addrconf_dad_begin+0x310/0x670 [ 6510.512743][ T72] addrconf_dad_work+0x10b/0xab0 [ 6510.512743][ T72] process_one_work+0x84d/0x18a0 [ 6510.512743][ T72] worker_thread+0x587/0xd30 [ 6510.512743][ T72] kthread+0x28a/0x350 [ 6510.512743][ T72] ret_from_fork+0x31/0x70 [ 6510.512743][ T72] ret_from_fork_asm+0x1a/0x30 [ 6510.512743][ T72] [ 6510.514655][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6510.514655][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.514655][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.514655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.514655][ T72] ip6_route_add+0x1c/0x140 [ 6510.514655][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6510.514655][ T72] inet6_addr_add+0x4f8/0xa40 [ 6510.514655][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.514655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.514655][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.514655][ T72] netlink_unicast+0x449/0x710 [ 6510.514655][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.514655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.514655][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.514655][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.514655][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.514655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.514655][ T72] [ 6510.516679][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6510.516679][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.516679][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.516679][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.516679][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6510.516679][ T72] ipv6_add_addr+0x411/0x2000 [ 6510.516679][ T72] inet6_addr_add+0x30e/0xa40 [ 6510.516679][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.516679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.516679][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.516679][ T72] netlink_unicast+0x449/0x710 [ 6510.516679][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.516679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.516679][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.516679][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.516679][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.516679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.516679][ T72] [ 6510.518686][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6510.518686][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.518686][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.518686][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.518686][ T72] ip6_route_add+0x1c/0x140 [ 6510.518686][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6510.518686][ T72] addrconf_add_dev+0xe2/0x170 [ 6510.518686][ T72] inet6_addr_add+0x12f/0xa40 [ 6510.518686][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.518686][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.518686][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.518686][ T72] netlink_unicast+0x449/0x710 [ 6510.518686][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.518686][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.518686][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.518686][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.518686][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.518686][ T72] [ 6510.520664][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6510.520664][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6510.520664][ T72] ipv6_find_idev+0x102/0x170 [ 6510.520664][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6510.520664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.520664][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.520664][ T72] netlink_unicast+0x449/0x710 [ 6510.520664][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.520664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.520664][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.520664][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.520664][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.520664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.520664][ T72] [ 6510.522220][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6510.522220][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6510.522220][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6510.522220][ T72] ipv6_find_idev+0x102/0x170 [ 6510.522220][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6510.522220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.522220][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.522220][ T72] netlink_unicast+0x449/0x710 [ 6510.522220][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.522220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.522220][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.522220][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.522220][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.522220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.522220][ T72] [ 6510.524048][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6510.524336][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6510.524336][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6510.524336][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6510.524336][ T72] fib6_nh_init+0xa22/0x1580 [ 6510.524336][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.524336][ T72] ip6_route_add+0x1c/0x140 [ 6510.524336][ T72] inet6_rtm_newroute+0x104/0x110 [ 6510.524336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.524336][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.524336][ T72] netlink_unicast+0x449/0x710 [ 6510.524336][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.524336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.524336][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.524336][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.524336][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.524336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.524336][ T72] [ 6510.526468][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6510.526468][ T72] dst_init+0x84/0x4a0 [ 6510.526468][ T72] dst_alloc+0x97/0x150 [ 6510.526468][ T72] ip6_dst_alloc+0x23/0x90 [ 6510.526468][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6510.526468][ T72] ip6_pol_route+0x56f/0x840 [ 6510.526468][ T72] fib6_rule_lookup+0x456/0x630 [ 6510.526468][ T72] ip6_route_input+0x59c/0xa50 [ 6510.526468][ T72] ipv6_rcv+0x397/0x810 [ 6510.526468][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6510.526468][ T72] process_backlog+0x101/0x620 [ 6510.526468][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6510.526468][ T72] net_rx_action+0x495/0xbe0 [ 6510.526468][ T72] __do_softirq+0x1b5/0x7f6 [ 6510.526468][ T72] [ 6510.528368][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6510.528368][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.528368][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.528368][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.528368][ T72] ip6_route_add+0x1c/0x140 [ 6510.528368][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6510.528368][ T72] inet6_addr_add+0x4f8/0xa40 [ 6510.528368][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.528368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.528368][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.528368][ T72] netlink_unicast+0x449/0x710 [ 6510.528368][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.528368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.528368][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.528368][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.528368][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.528368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.528368][ T72] [ 6510.530553][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6510.530553][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.530553][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.530553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.530553][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6510.530553][ T72] ipv6_add_addr+0x411/0x2000 [ 6510.530553][ T72] inet6_addr_add+0x30e/0xa40 [ 6510.530553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.530553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.530553][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.530553][ T72] netlink_unicast+0x449/0x710 [ 6510.530553][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.530553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.530553][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.530553][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.530553][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.530553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.530553][ T72] [ 6510.532775][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6510.532775][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.532775][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.532775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.532775][ T72] ip6_route_add+0x1c/0x140 [ 6510.532775][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6510.532775][ T72] addrconf_add_dev+0xe2/0x170 [ 6510.532775][ T72] inet6_addr_add+0x12f/0xa40 [ 6510.532775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.532775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.532775][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.532775][ T72] netlink_unicast+0x449/0x710 [ 6510.532775][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.532775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.532775][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.532775][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.532775][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.532775][ T72] [ 6510.535073][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6510.535073][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6510.535073][ T72] ipv6_find_idev+0x102/0x170 [ 6510.535073][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6510.535073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.535073][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.535073][ T72] netlink_unicast+0x449/0x710 [ 6510.535073][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.535073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.535073][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.535073][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.535073][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.535073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.535073][ T72] [ 6510.536824][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6510.536824][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6510.536824][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6510.536824][ T72] ipv6_find_idev+0x102/0x170 [ 6510.536824][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6510.536824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.536824][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.536824][ T72] netlink_unicast+0x449/0x710 [ 6510.536824][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.536824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.536824][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.536824][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.536824][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.536824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.536824][ T72] [ 6510.538713][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6510.539491][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6510.539491][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.539491][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.539491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.539491][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6510.539491][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6510.539491][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6510.539491][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6510.539491][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6510.539491][ T72] addrconf_dad_begin+0x310/0x670 [ 6510.539491][ T72] addrconf_dad_work+0x10b/0xab0 [ 6510.539491][ T72] process_one_work+0x84d/0x18a0 [ 6510.539491][ T72] worker_thread+0x587/0xd30 [ 6510.539491][ T72] kthread+0x28a/0x350 [ 6510.539491][ T72] ret_from_fork+0x31/0x70 [ 6510.539491][ T72] ret_from_fork_asm+0x1a/0x30 [ 6510.539491][ T72] [ 6510.541427][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6510.541427][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.541427][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.541427][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.541427][ T72] ip6_route_add+0x1c/0x140 [ 6510.541427][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6510.541427][ T72] inet6_addr_add+0x4f8/0xa40 [ 6510.541427][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.541427][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.541427][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.541427][ T72] netlink_unicast+0x449/0x710 [ 6510.541427][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.541427][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.541427][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.541427][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.541427][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.541427][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.541427][ T72] [ 6510.544015][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6510.544015][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.544015][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.544015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.544015][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6510.544015][ T72] ipv6_add_addr+0x411/0x2000 [ 6510.544015][ T72] inet6_addr_add+0x30e/0xa40 [ 6510.544015][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.544015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.544015][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.544015][ T72] netlink_unicast+0x449/0x710 [ 6510.544015][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.544015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.544015][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.544015][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.544015][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.544015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.544015][ T72] [ 6510.546265][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6510.546265][ T72] netdev_get_by_index+0x5e/0x80 [ 6510.546265][ T72] fib6_nh_init+0x3d8/0x1580 [ 6510.546265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6510.546265][ T72] ip6_route_add+0x1c/0x140 [ 6510.546265][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6510.546265][ T72] addrconf_add_dev+0xe2/0x170 [ 6510.546265][ T72] inet6_addr_add+0x12f/0xa40 [ 6510.546265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6510.546265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.546265][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.546265][ T72] netlink_unicast+0x449/0x710 [ 6510.546265][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.546265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.546265][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.546265][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.546265][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.546265][ T72] [ 6510.548558][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6510.548558][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6510.548558][ T72] ipv6_find_idev+0x102/0x170 [ 6510.548558][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6510.548558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.548558][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.548558][ T72] netlink_unicast+0x449/0x710 [ 6510.548558][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.548558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.548558][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.548558][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.548558][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.548558][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.548558][ T72] [ 6510.550281][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6510.550281][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6510.550281][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6510.550281][ T72] ipv6_find_idev+0x102/0x170 [ 6510.550281][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6510.550281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6510.550281][ T72] netlink_rcv_skb+0x130/0x360 [ 6510.550281][ T72] netlink_unicast+0x449/0x710 [ 6510.550281][ T72] netlink_sendmsg+0x723/0xbe0 [ 6510.550281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6510.550281][ T72] ___sys_sendmsg+0xee/0x170 [ 6510.550281][ T72] __sys_sendmsg+0xcd/0x170 [ 6510.550281][ T72] do_syscall_64+0xc6/0x1e0 [ 6510.550281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6510.550281][ T72] [ 6520.608984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6520.609676][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6520.609676][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6520.609676][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6520.609676][ T72] fib6_nh_init+0xa22/0x1580 [ 6520.609676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.609676][ T72] ip6_route_add+0x1c/0x140 [ 6520.609676][ T72] inet6_rtm_newroute+0x104/0x110 [ 6520.609676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.609676][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.609676][ T72] netlink_unicast+0x449/0x710 [ 6520.609676][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.609676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.609676][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.609676][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.609676][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.609676][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.609676][ T72] [ 6520.611831][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6520.611831][ T72] dst_init+0x84/0x4a0 [ 6520.611831][ T72] dst_alloc+0x97/0x150 [ 6520.611831][ T72] ip6_dst_alloc+0x23/0x90 [ 6520.611831][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6520.611831][ T72] ip6_pol_route+0x56f/0x840 [ 6520.611831][ T72] fib6_rule_lookup+0x456/0x630 [ 6520.611831][ T72] ip6_route_input+0x59c/0xa50 [ 6520.611831][ T72] ipv6_rcv+0x397/0x810 [ 6520.611831][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6520.611831][ T72] process_backlog+0x101/0x620 [ 6520.611831][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6520.611831][ T72] net_rx_action+0x495/0xbe0 [ 6520.611831][ T72] __do_softirq+0x1b5/0x7f6 [ 6520.611831][ T72] [ 6520.613680][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6520.613680][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.613680][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.613680][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.613680][ T72] ip6_route_add+0x1c/0x140 [ 6520.613680][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6520.613680][ T72] inet6_addr_add+0x4f8/0xa40 [ 6520.613680][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.613680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.613680][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.613680][ T72] netlink_unicast+0x449/0x710 [ 6520.613680][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.613680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.613680][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.613680][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.613680][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.613680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.613680][ T72] [ 6520.616036][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6520.616036][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.616036][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.616036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.616036][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6520.616036][ T72] ipv6_add_addr+0x411/0x2000 [ 6520.616036][ T72] inet6_addr_add+0x30e/0xa40 [ 6520.616036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.616036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.616036][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.616036][ T72] netlink_unicast+0x449/0x710 [ 6520.616036][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.616036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.616036][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.616036][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.616036][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.616036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.616036][ T72] [ 6520.617912][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6520.617912][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.617912][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.617912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.617912][ T72] ip6_route_add+0x1c/0x140 [ 6520.617912][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6520.617912][ T72] addrconf_add_dev+0xe2/0x170 [ 6520.617912][ T72] inet6_addr_add+0x12f/0xa40 [ 6520.617912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.617912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.617912][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.617912][ T72] netlink_unicast+0x449/0x710 [ 6520.617912][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.617912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.617912][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.617912][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.617912][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.617912][ T72] [ 6520.619901][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6520.619901][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6520.619901][ T72] ipv6_find_idev+0x102/0x170 [ 6520.619901][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.619901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.619901][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.619901][ T72] netlink_unicast+0x449/0x710 [ 6520.619901][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.619901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.619901][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.619901][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.619901][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.619901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.619901][ T72] [ 6520.621370][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6520.621370][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6520.621370][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6520.621370][ T72] ipv6_find_idev+0x102/0x170 [ 6520.621370][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.621370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.621370][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.621370][ T72] netlink_unicast+0x449/0x710 [ 6520.621370][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.621370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.621370][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.621370][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.621370][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.621370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.621370][ T72] [ 6520.622980][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6520.623261][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6520.623261][ T72] dst_init+0x84/0x4a0 [ 6520.623261][ T72] dst_alloc+0x97/0x150 [ 6520.623261][ T72] ip6_dst_alloc+0x23/0x90 [ 6520.623261][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6520.623261][ T72] ip6_pol_route+0x56f/0x840 [ 6520.623261][ T72] fib6_rule_lookup+0x456/0x630 [ 6520.623261][ T72] ip6_route_input+0x59c/0xa50 [ 6520.623261][ T72] ipv6_rcv+0x397/0x810 [ 6520.623261][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6520.623261][ T72] process_backlog+0x101/0x620 [ 6520.623261][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6520.623261][ T72] net_rx_action+0x495/0xbe0 [ 6520.623261][ T72] __do_softirq+0x1b5/0x7f6 [ 6520.623261][ T72] [ 6520.624859][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6520.624859][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.624859][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.624859][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.624859][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6520.624859][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6520.624859][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6520.624859][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6520.624859][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6520.624859][ T72] addrconf_dad_begin+0x310/0x670 [ 6520.624859][ T72] addrconf_dad_work+0x10b/0xab0 [ 6520.624859][ T72] process_one_work+0x84d/0x18a0 [ 6520.624859][ T72] worker_thread+0x587/0xd30 [ 6520.624859][ T72] kthread+0x28a/0x350 [ 6520.624859][ T72] ret_from_fork+0x31/0x70 [ 6520.624859][ T72] ret_from_fork_asm+0x1a/0x30 [ 6520.624859][ T72] [ 6520.626666][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6520.626666][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.626666][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.626666][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.626666][ T72] ip6_route_add+0x1c/0x140 [ 6520.626666][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6520.626666][ T72] inet6_addr_add+0x4f8/0xa40 [ 6520.626666][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.626666][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.626666][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.626666][ T72] netlink_unicast+0x449/0x710 [ 6520.626666][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.626666][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.626666][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.626666][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.626666][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.626666][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.626666][ T72] [ 6520.628601][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6520.628601][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.628601][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.628601][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.628601][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6520.628601][ T72] ipv6_add_addr+0x411/0x2000 [ 6520.628601][ T72] inet6_addr_add+0x30e/0xa40 [ 6520.628601][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.628601][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.628601][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.628601][ T72] netlink_unicast+0x449/0x710 [ 6520.628601][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.628601][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.628601][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.628601][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.628601][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.628601][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.628601][ T72] [ 6520.630476][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6520.630476][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.630476][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.630476][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.630476][ T72] ip6_route_add+0x1c/0x140 [ 6520.630476][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6520.630476][ T72] addrconf_add_dev+0xe2/0x170 [ 6520.630476][ T72] inet6_addr_add+0x12f/0xa40 [ 6520.630476][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.630476][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.630476][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.630476][ T72] netlink_unicast+0x449/0x710 [ 6520.630476][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.630476][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.630476][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.630476][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.630476][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.630476][ T72] [ 6520.632304][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6520.632304][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6520.632304][ T72] ipv6_find_idev+0x102/0x170 [ 6520.632304][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.632304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.632304][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.632304][ T72] netlink_unicast+0x449/0x710 [ 6520.632304][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.632304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.632304][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.632304][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.632304][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.632304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.632304][ T72] [ 6520.633782][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6520.633782][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6520.633782][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6520.633782][ T72] ipv6_find_idev+0x102/0x170 [ 6520.633782][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.633782][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.633782][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.633782][ T72] netlink_unicast+0x449/0x710 [ 6520.633782][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.633782][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.633782][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.633782][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.633782][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.633782][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.633782][ T72] [ 6520.635565][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6520.635866][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6520.635866][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6520.635866][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6520.635866][ T72] fib6_nh_init+0xa22/0x1580 [ 6520.635866][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.635866][ T72] ip6_route_add+0x1c/0x140 [ 6520.635866][ T72] inet6_rtm_newroute+0x104/0x110 [ 6520.635866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.635866][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.635866][ T72] netlink_unicast+0x449/0x710 [ 6520.635866][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.635866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.635866][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.635866][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.635866][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.635866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.635866][ T72] [ 6520.638010][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6520.638010][ T72] dst_init+0x84/0x4a0 [ 6520.638010][ T72] dst_alloc+0x97/0x150 [ 6520.638010][ T72] ip6_dst_alloc+0x23/0x90 [ 6520.638010][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6520.638010][ T72] ip6_pol_route+0x56f/0x840 [ 6520.638010][ T72] fib6_rule_lookup+0x456/0x630 [ 6520.638010][ T72] ip6_route_input+0x59c/0xa50 [ 6520.638010][ T72] ipv6_rcv+0x397/0x810 [ 6520.638010][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6520.638010][ T72] process_backlog+0x101/0x620 [ 6520.638010][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6520.638010][ T72] net_rx_action+0x495/0xbe0 [ 6520.638010][ T72] __do_softirq+0x1b5/0x7f6 [ 6520.638010][ T72] [ 6520.639912][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6520.639912][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.639912][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.639912][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.639912][ T72] ip6_route_add+0x1c/0x140 [ 6520.639912][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6520.639912][ T72] inet6_addr_add+0x4f8/0xa40 [ 6520.639912][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.639912][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.639912][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.639912][ T72] netlink_unicast+0x449/0x710 [ 6520.639912][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.639912][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.639912][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.639912][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.639912][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.639912][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.639912][ T72] [ 6520.642146][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6520.642146][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.642146][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.642146][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.642146][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6520.642146][ T72] ipv6_add_addr+0x411/0x2000 [ 6520.642146][ T72] inet6_addr_add+0x30e/0xa40 [ 6520.642146][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.642146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.642146][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.642146][ T72] netlink_unicast+0x449/0x710 [ 6520.642146][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.642146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.642146][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.642146][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.642146][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.642146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.642146][ T72] [ 6520.644372][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6520.644372][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.644372][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.644372][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.644372][ T72] ip6_route_add+0x1c/0x140 [ 6520.644372][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6520.644372][ T72] addrconf_add_dev+0xe2/0x170 [ 6520.644372][ T72] inet6_addr_add+0x12f/0xa40 [ 6520.644372][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.644372][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.644372][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.644372][ T72] netlink_unicast+0x449/0x710 [ 6520.644372][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.644372][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.644372][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.644372][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.644372][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.644372][ T72] [ 6520.646662][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6520.646662][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6520.646662][ T72] ipv6_find_idev+0x102/0x170 [ 6520.646662][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.646662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.646662][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.646662][ T72] netlink_unicast+0x449/0x710 [ 6520.646662][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.646662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.646662][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.646662][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.646662][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.646662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.646662][ T72] [ 6520.648398][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6520.648398][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6520.648398][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6520.648398][ T72] ipv6_find_idev+0x102/0x170 [ 6520.648398][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.648398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.648398][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.648398][ T72] netlink_unicast+0x449/0x710 [ 6520.648398][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.648398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.648398][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.648398][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.648398][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.648398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.648398][ T72] [ 6520.650262][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6520.650622][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6520.650622][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.650622][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.650622][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.650622][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6520.650622][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6520.650622][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6520.650622][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6520.650622][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6520.650622][ T72] addrconf_dad_begin+0x310/0x670 [ 6520.650622][ T72] addrconf_dad_work+0x10b/0xab0 [ 6520.650622][ T72] process_one_work+0x84d/0x18a0 [ 6520.650622][ T72] worker_thread+0x587/0xd30 [ 6520.650622][ T72] kthread+0x28a/0x350 [ 6520.650622][ T72] ret_from_fork+0x31/0x70 [ 6520.650622][ T72] ret_from_fork_asm+0x1a/0x30 [ 6520.650622][ T72] [ 6520.652723][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6520.652723][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.652723][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.652723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.652723][ T72] ip6_route_add+0x1c/0x140 [ 6520.652723][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6520.652723][ T72] inet6_addr_add+0x4f8/0xa40 [ 6520.652723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.652723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.652723][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.652723][ T72] netlink_unicast+0x449/0x710 [ 6520.652723][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.652723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.652723][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.652723][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.652723][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.652723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.652723][ T72] [ 6520.654957][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6520.654957][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.654957][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.654957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.654957][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6520.654957][ T72] ipv6_add_addr+0x411/0x2000 [ 6520.654957][ T72] inet6_addr_add+0x30e/0xa40 [ 6520.654957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.654957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.654957][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.654957][ T72] netlink_unicast+0x449/0x710 [ 6520.654957][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.654957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.654957][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.654957][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.654957][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.654957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.654957][ T72] [ 6520.657247][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6520.657247][ T72] netdev_get_by_index+0x5e/0x80 [ 6520.657247][ T72] fib6_nh_init+0x3d8/0x1580 [ 6520.657247][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6520.657247][ T72] ip6_route_add+0x1c/0x140 [ 6520.657247][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6520.657247][ T72] addrconf_add_dev+0xe2/0x170 [ 6520.657247][ T72] inet6_addr_add+0x12f/0xa40 [ 6520.657247][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6520.657247][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.657247][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.657247][ T72] netlink_unicast+0x449/0x710 [ 6520.657247][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.657247][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.657247][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.657247][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.657247][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.657247][ T72] [ 6520.659470][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6520.659470][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6520.659470][ T72] ipv6_find_idev+0x102/0x170 [ 6520.659470][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.659470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.659470][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.659470][ T72] netlink_unicast+0x449/0x710 [ 6520.659470][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.659470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.659470][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.659470][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.659470][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.659470][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.659470][ T72] [ 6520.661197][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6520.661197][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6520.661197][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6520.661197][ T72] ipv6_find_idev+0x102/0x170 [ 6520.661197][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6520.661197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6520.661197][ T72] netlink_rcv_skb+0x130/0x360 [ 6520.661197][ T72] netlink_unicast+0x449/0x710 [ 6520.661197][ T72] netlink_sendmsg+0x723/0xbe0 [ 6520.661197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6520.661197][ T72] ___sys_sendmsg+0xee/0x170 [ 6520.661197][ T72] __sys_sendmsg+0xcd/0x170 [ 6520.661197][ T72] do_syscall_64+0xc6/0x1e0 [ 6520.661197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6520.661197][ T72] [ 6530.880904][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6530.881355][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6530.881355][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6530.881355][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6530.881355][ T72] fib6_nh_init+0xa22/0x1580 [ 6530.881355][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.881355][ T72] ip6_route_add+0x1c/0x140 [ 6530.881355][ T72] inet6_rtm_newroute+0x104/0x110 [ 6530.881355][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.881355][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.881355][ T72] netlink_unicast+0x449/0x710 [ 6530.881355][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.881355][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.881355][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.881355][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.881355][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.881355][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.881355][ T72] [ 6530.883278][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6530.883278][ T72] dst_init+0x84/0x4a0 [ 6530.883278][ T72] dst_alloc+0x97/0x150 [ 6530.883278][ T72] ip6_dst_alloc+0x23/0x90 [ 6530.883278][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6530.883278][ T72] ip6_pol_route+0x56f/0x840 [ 6530.883278][ T72] fib6_rule_lookup+0x456/0x630 [ 6530.883278][ T72] ip6_route_input+0x59c/0xa50 [ 6530.883278][ T72] ipv6_rcv+0x397/0x810 [ 6530.883278][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6530.883278][ T72] process_backlog+0x101/0x620 [ 6530.883278][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6530.883278][ T72] net_rx_action+0x495/0xbe0 [ 6530.883278][ T72] __do_softirq+0x1b5/0x7f6 [ 6530.883278][ T72] [ 6530.884943][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6530.884943][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.884943][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.884943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.884943][ T72] ip6_route_add+0x1c/0x140 [ 6530.884943][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6530.884943][ T72] inet6_addr_add+0x4f8/0xa40 [ 6530.884943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.884943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.884943][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.884943][ T72] netlink_unicast+0x449/0x710 [ 6530.884943][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.884943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.884943][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.884943][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.884943][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.884943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.884943][ T72] [ 6530.886957][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6530.886957][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.886957][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.886957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.886957][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6530.886957][ T72] ipv6_add_addr+0x411/0x2000 [ 6530.886957][ T72] inet6_addr_add+0x30e/0xa40 [ 6530.886957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.886957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.886957][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.886957][ T72] netlink_unicast+0x449/0x710 [ 6530.886957][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.886957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.886957][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.886957][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.886957][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.886957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.886957][ T72] [ 6530.889105][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6530.889105][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.889105][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.889105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.889105][ T72] ip6_route_add+0x1c/0x140 [ 6530.889105][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6530.889105][ T72] addrconf_add_dev+0xe2/0x170 [ 6530.889105][ T72] inet6_addr_add+0x12f/0xa40 [ 6530.889105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.889105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.889105][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.889105][ T72] netlink_unicast+0x449/0x710 [ 6530.889105][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.889105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.889105][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.889105][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.889105][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.889105][ T72] [ 6530.891096][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6530.891096][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6530.891096][ T72] ipv6_find_idev+0x102/0x170 [ 6530.891096][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.891096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.891096][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.891096][ T72] netlink_unicast+0x449/0x710 [ 6530.891096][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.891096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.891096][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.891096][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.891096][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.891096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.891096][ T72] [ 6530.892650][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6530.892650][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6530.892650][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6530.892650][ T72] ipv6_find_idev+0x102/0x170 [ 6530.892650][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.892650][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.892650][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.892650][ T72] netlink_unicast+0x449/0x710 [ 6530.892650][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.892650][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.892650][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.892650][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.892650][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.892650][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.892650][ T72] [ 6530.894389][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6530.894670][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6530.894670][ T72] dst_init+0x84/0x4a0 [ 6530.894670][ T72] dst_alloc+0x97/0x150 [ 6530.894670][ T72] ip6_dst_alloc+0x23/0x90 [ 6530.894670][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6530.894670][ T72] ip6_pol_route+0x56f/0x840 [ 6530.894670][ T72] fib6_rule_lookup+0x456/0x630 [ 6530.894670][ T72] ip6_route_input+0x59c/0xa50 [ 6530.894670][ T72] ipv6_rcv+0x397/0x810 [ 6530.894670][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6530.894670][ T72] process_backlog+0x101/0x620 [ 6530.894670][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6530.894670][ T72] net_rx_action+0x495/0xbe0 [ 6530.894670][ T72] __do_softirq+0x1b5/0x7f6 [ 6530.894670][ T72] [ 6530.896319][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6530.896319][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.896319][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.896319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.896319][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6530.896319][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6530.896319][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6530.896319][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6530.896319][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6530.896319][ T72] addrconf_dad_begin+0x310/0x670 [ 6530.896319][ T72] addrconf_dad_work+0x10b/0xab0 [ 6530.896319][ T72] process_one_work+0x84d/0x18a0 [ 6530.896319][ T72] worker_thread+0x587/0xd30 [ 6530.896319][ T72] kthread+0x28a/0x350 [ 6530.896319][ T72] ret_from_fork+0x31/0x70 [ 6530.896319][ T72] ret_from_fork_asm+0x1a/0x30 [ 6530.896319][ T72] [ 6530.898250][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6530.898250][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.898250][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.898250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.898250][ T72] ip6_route_add+0x1c/0x140 [ 6530.898250][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6530.898250][ T72] inet6_addr_add+0x4f8/0xa40 [ 6530.898250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.898250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.898250][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.898250][ T72] netlink_unicast+0x449/0x710 [ 6530.898250][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.898250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.898250][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.898250][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.898250][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.898250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.898250][ T72] [ 6530.900255][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6530.900255][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.900255][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.900255][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.900255][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6530.900255][ T72] ipv6_add_addr+0x411/0x2000 [ 6530.900255][ T72] inet6_addr_add+0x30e/0xa40 [ 6530.900255][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.900255][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.900255][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.900255][ T72] netlink_unicast+0x449/0x710 [ 6530.900255][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.900255][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.900255][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.900255][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.900255][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.900255][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.900255][ T72] [ 6530.902270][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6530.902270][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.902270][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.902270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.902270][ T72] ip6_route_add+0x1c/0x140 [ 6530.902270][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6530.902270][ T72] addrconf_add_dev+0xe2/0x170 [ 6530.902270][ T72] inet6_addr_add+0x12f/0xa40 [ 6530.902270][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.902270][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.902270][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.902270][ T72] netlink_unicast+0x449/0x710 [ 6530.902270][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.902270][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.902270][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.902270][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.902270][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.902270][ T72] [ 6530.904236][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6530.904236][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6530.904236][ T72] ipv6_find_idev+0x102/0x170 [ 6530.904236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.904236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.904236][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.904236][ T72] netlink_unicast+0x449/0x710 [ 6530.904236][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.904236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.904236][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.904236][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.904236][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.904236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.904236][ T72] [ 6530.905785][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6530.905785][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6530.905785][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6530.905785][ T72] ipv6_find_idev+0x102/0x170 [ 6530.905785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.905785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.905785][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.905785][ T72] netlink_unicast+0x449/0x710 [ 6530.905785][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.905785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.905785][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.905785][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.905785][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.905785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.905785][ T72] [ 6530.907619][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6530.907901][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6530.907901][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6530.907901][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6530.907901][ T72] fib6_nh_init+0xa22/0x1580 [ 6530.907901][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.907901][ T72] ip6_route_add+0x1c/0x140 [ 6530.907901][ T72] inet6_rtm_newroute+0x104/0x110 [ 6530.907901][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.907901][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.907901][ T72] netlink_unicast+0x449/0x710 [ 6530.907901][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.907901][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.907901][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.907901][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.907901][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.907901][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.907901][ T72] [ 6530.910033][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6530.910033][ T72] dst_init+0x84/0x4a0 [ 6530.910033][ T72] dst_alloc+0x97/0x150 [ 6530.910033][ T72] ip6_dst_alloc+0x23/0x90 [ 6530.910033][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6530.910033][ T72] ip6_pol_route+0x56f/0x840 [ 6530.910033][ T72] fib6_rule_lookup+0x456/0x630 [ 6530.910033][ T72] ip6_route_input+0x59c/0xa50 [ 6530.910033][ T72] ipv6_rcv+0x397/0x810 [ 6530.910033][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6530.910033][ T72] process_backlog+0x101/0x620 [ 6530.910033][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6530.910033][ T72] net_rx_action+0x495/0xbe0 [ 6530.910033][ T72] __do_softirq+0x1b5/0x7f6 [ 6530.910033][ T72] [ 6530.911943][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6530.911943][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.911943][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.911943][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.911943][ T72] ip6_route_add+0x1c/0x140 [ 6530.911943][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6530.911943][ T72] inet6_addr_add+0x4f8/0xa40 [ 6530.911943][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.911943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.911943][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.911943][ T72] netlink_unicast+0x449/0x710 [ 6530.911943][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.911943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.911943][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.911943][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.911943][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.911943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.911943][ T72] [ 6530.914117][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6530.914117][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.914117][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.914117][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.914117][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6530.914117][ T72] ipv6_add_addr+0x411/0x2000 [ 6530.914117][ T72] inet6_addr_add+0x30e/0xa40 [ 6530.914117][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.914117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.914117][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.914117][ T72] netlink_unicast+0x449/0x710 [ 6530.914117][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.914117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.914117][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.914117][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.914117][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.914117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.914117][ T72] [ 6530.916388][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6530.916388][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.916388][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.916388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.916388][ T72] ip6_route_add+0x1c/0x140 [ 6530.916388][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6530.916388][ T72] addrconf_add_dev+0xe2/0x170 [ 6530.916388][ T72] inet6_addr_add+0x12f/0xa40 [ 6530.916388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.916388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.916388][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.916388][ T72] netlink_unicast+0x449/0x710 [ 6530.916388][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.916388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.916388][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.916388][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.916388][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.916388][ T72] [ 6530.918652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6530.918652][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6530.918652][ T72] ipv6_find_idev+0x102/0x170 [ 6530.918652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.918652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.918652][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.918652][ T72] netlink_unicast+0x449/0x710 [ 6530.918652][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.918652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.918652][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.918652][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.918652][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.918652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.918652][ T72] [ 6530.920405][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6530.920405][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6530.920405][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6530.920405][ T72] ipv6_find_idev+0x102/0x170 [ 6530.920405][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.920405][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.920405][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.920405][ T72] netlink_unicast+0x449/0x710 [ 6530.920405][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.920405][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.920405][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.920405][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.920405][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.920405][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.920405][ T72] [ 6530.922290][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6530.922628][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6530.922628][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.922628][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.922628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.922628][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6530.922628][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6530.922628][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6530.922628][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6530.922628][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6530.922628][ T72] addrconf_dad_begin+0x310/0x670 [ 6530.922628][ T72] addrconf_dad_work+0x10b/0xab0 [ 6530.922628][ T72] process_one_work+0x84d/0x18a0 [ 6530.922628][ T72] worker_thread+0x587/0xd30 [ 6530.922628][ T72] kthread+0x28a/0x350 [ 6530.922628][ T72] ret_from_fork+0x31/0x70 [ 6530.922628][ T72] ret_from_fork_asm+0x1a/0x30 [ 6530.922628][ T72] [ 6530.924745][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6530.924745][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.924745][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.924745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.924745][ T72] ip6_route_add+0x1c/0x140 [ 6530.924745][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6530.924745][ T72] inet6_addr_add+0x4f8/0xa40 [ 6530.924745][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.924745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.924745][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.924745][ T72] netlink_unicast+0x449/0x710 [ 6530.924745][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.924745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.924745][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.924745][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.924745][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.924745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.924745][ T72] [ 6530.927015][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6530.927015][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.927015][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.927015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.927015][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6530.927015][ T72] ipv6_add_addr+0x411/0x2000 [ 6530.927015][ T72] inet6_addr_add+0x30e/0xa40 [ 6530.927015][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.927015][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.927015][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.927015][ T72] netlink_unicast+0x449/0x710 [ 6530.927015][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.927015][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.927015][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.927015][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.927015][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.927015][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.927015][ T72] [ 6530.929321][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6530.929321][ T72] netdev_get_by_index+0x5e/0x80 [ 6530.929321][ T72] fib6_nh_init+0x3d8/0x1580 [ 6530.929321][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6530.929321][ T72] ip6_route_add+0x1c/0x140 [ 6530.929321][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6530.929321][ T72] addrconf_add_dev+0xe2/0x170 [ 6530.929321][ T72] inet6_addr_add+0x12f/0xa40 [ 6530.929321][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6530.929321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.929321][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.929321][ T72] netlink_unicast+0x449/0x710 [ 6530.929321][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.929321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.929321][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.929321][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.929321][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.929321][ T72] [ 6530.931536][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6530.931536][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6530.931536][ T72] ipv6_find_idev+0x102/0x170 [ 6530.931536][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.931536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.931536][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.931536][ T72] netlink_unicast+0x449/0x710 [ 6530.931536][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.931536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.931536][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.931536][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.931536][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.931536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.931536][ T72] [ 6530.933261][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6530.933261][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6530.933261][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6530.933261][ T72] ipv6_find_idev+0x102/0x170 [ 6530.933261][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6530.933261][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6530.933261][ T72] netlink_rcv_skb+0x130/0x360 [ 6530.933261][ T72] netlink_unicast+0x449/0x710 [ 6530.933261][ T72] netlink_sendmsg+0x723/0xbe0 [ 6530.933261][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6530.933261][ T72] ___sys_sendmsg+0xee/0x170 [ 6530.933261][ T72] __sys_sendmsg+0xcd/0x170 [ 6530.933261][ T72] do_syscall_64+0xc6/0x1e0 [ 6530.933261][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6530.933261][ T72] [ 6541.176998][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6541.177655][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6541.177655][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6541.177655][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6541.177655][ T72] fib6_nh_init+0xa22/0x1580 [ 6541.177655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.177655][ T72] ip6_route_add+0x1c/0x140 [ 6541.177655][ T72] inet6_rtm_newroute+0x104/0x110 [ 6541.177655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.177655][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.177655][ T72] netlink_unicast+0x449/0x710 [ 6541.177655][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.177655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.177655][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.177655][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.177655][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.177655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.177655][ T72] [ 6541.179579][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6541.179579][ T72] dst_init+0x84/0x4a0 [ 6541.179579][ T72] dst_alloc+0x97/0x150 [ 6541.179579][ T72] ip6_dst_alloc+0x23/0x90 [ 6541.179579][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6541.179579][ T72] ip6_pol_route+0x56f/0x840 [ 6541.179579][ T72] fib6_rule_lookup+0x456/0x630 [ 6541.179579][ T72] ip6_route_input+0x59c/0xa50 [ 6541.179579][ T72] ipv6_rcv+0x397/0x810 [ 6541.179579][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6541.179579][ T72] process_backlog+0x101/0x620 [ 6541.179579][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6541.179579][ T72] net_rx_action+0x495/0xbe0 [ 6541.179579][ T72] __do_softirq+0x1b5/0x7f6 [ 6541.179579][ T72] [ 6541.181176][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6541.181176][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.181176][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.181176][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.181176][ T72] ip6_route_add+0x1c/0x140 [ 6541.181176][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6541.181176][ T72] inet6_addr_add+0x4f8/0xa40 [ 6541.181176][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.181176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.181176][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.181176][ T72] netlink_unicast+0x449/0x710 [ 6541.181176][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.181176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.181176][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.181176][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.181176][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.181176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.181176][ T72] [ 6541.183206][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6541.183206][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.183206][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.183206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.183206][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6541.183206][ T72] ipv6_add_addr+0x411/0x2000 [ 6541.183206][ T72] inet6_addr_add+0x30e/0xa40 [ 6541.183206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.183206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.183206][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.183206][ T72] netlink_unicast+0x449/0x710 [ 6541.183206][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.183206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.183206][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.183206][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.183206][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.183206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.183206][ T72] [ 6541.185233][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6541.185233][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.185233][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.185233][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.185233][ T72] ip6_route_add+0x1c/0x140 [ 6541.185233][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6541.185233][ T72] addrconf_add_dev+0xe2/0x170 [ 6541.185233][ T72] inet6_addr_add+0x12f/0xa40 [ 6541.185233][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.185233][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.185233][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.185233][ T72] netlink_unicast+0x449/0x710 [ 6541.185233][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.185233][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.185233][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.185233][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.185233][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.185233][ T72] [ 6541.187188][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6541.187188][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6541.187188][ T72] ipv6_find_idev+0x102/0x170 [ 6541.187188][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.187188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.187188][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.187188][ T72] netlink_unicast+0x449/0x710 [ 6541.187188][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.187188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.187188][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.187188][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.187188][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.187188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.187188][ T72] [ 6541.188738][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6541.188738][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6541.188738][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6541.188738][ T72] ipv6_find_idev+0x102/0x170 [ 6541.188738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.188738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.188738][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.188738][ T72] netlink_unicast+0x449/0x710 [ 6541.188738][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.188738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.188738][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.188738][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.188738][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.188738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.188738][ T72] [ 6541.190457][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6541.190730][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6541.190730][ T72] dst_init+0x84/0x4a0 [ 6541.190730][ T72] dst_alloc+0x97/0x150 [ 6541.190730][ T72] ip6_dst_alloc+0x23/0x90 [ 6541.190730][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6541.190730][ T72] ip6_pol_route+0x56f/0x840 [ 6541.190730][ T72] fib6_rule_lookup+0x456/0x630 [ 6541.190730][ T72] ip6_route_input+0x59c/0xa50 [ 6541.190730][ T72] ipv6_rcv+0x397/0x810 [ 6541.190730][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6541.190730][ T72] process_backlog+0x101/0x620 [ 6541.190730][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6541.190730][ T72] net_rx_action+0x495/0xbe0 [ 6541.190730][ T72] __do_softirq+0x1b5/0x7f6 [ 6541.190730][ T72] [ 6541.192412][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6541.192412][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.192412][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.192412][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.192412][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6541.192412][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6541.192412][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6541.192412][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6541.192412][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6541.192412][ T72] addrconf_dad_begin+0x310/0x670 [ 6541.192412][ T72] addrconf_dad_work+0x10b/0xab0 [ 6541.192412][ T72] process_one_work+0x84d/0x18a0 [ 6541.192412][ T72] worker_thread+0x587/0xd30 [ 6541.192412][ T72] kthread+0x28a/0x350 [ 6541.192412][ T72] ret_from_fork+0x31/0x70 [ 6541.192412][ T72] ret_from_fork_asm+0x1a/0x30 [ 6541.192412][ T72] [ 6541.194283][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6541.194283][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.194283][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.194283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.194283][ T72] ip6_route_add+0x1c/0x140 [ 6541.194283][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6541.194283][ T72] inet6_addr_add+0x4f8/0xa40 [ 6541.194283][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.194283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.194283][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.194283][ T72] netlink_unicast+0x449/0x710 [ 6541.194283][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.194283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.194283][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.194283][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.194283][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.194283][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.194283][ T72] [ 6541.196250][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6541.196250][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.196250][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.196250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.196250][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6541.196250][ T72] ipv6_add_addr+0x411/0x2000 [ 6541.196250][ T72] inet6_addr_add+0x30e/0xa40 [ 6541.196250][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.196250][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.196250][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.196250][ T72] netlink_unicast+0x449/0x710 [ 6541.196250][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.196250][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.196250][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.196250][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.196250][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.196250][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.196250][ T72] [ 6541.198223][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6541.198223][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.198223][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.198223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.198223][ T72] ip6_route_add+0x1c/0x140 [ 6541.198223][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6541.198223][ T72] addrconf_add_dev+0xe2/0x170 [ 6541.198223][ T72] inet6_addr_add+0x12f/0xa40 [ 6541.198223][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.198223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.198223][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.198223][ T72] netlink_unicast+0x449/0x710 [ 6541.198223][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.198223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.198223][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.198223][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.198223][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.198223][ T72] [ 6541.200198][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6541.200198][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6541.200198][ T72] ipv6_find_idev+0x102/0x170 [ 6541.200198][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.200198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.200198][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.200198][ T72] netlink_unicast+0x449/0x710 [ 6541.200198][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.200198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.200198][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.200198][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.200198][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.200198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.200198][ T72] [ 6541.201737][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6541.201737][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6541.201737][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6541.201737][ T72] ipv6_find_idev+0x102/0x170 [ 6541.201737][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.201737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.201737][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.201737][ T72] netlink_unicast+0x449/0x710 [ 6541.201737][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.201737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.201737][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.201737][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.201737][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.201737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.201737][ T72] [ 6541.203533][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6541.203797][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6541.203797][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6541.203797][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6541.203797][ T72] fib6_nh_init+0xa22/0x1580 [ 6541.203797][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.203797][ T72] ip6_route_add+0x1c/0x140 [ 6541.203797][ T72] inet6_rtm_newroute+0x104/0x110 [ 6541.203797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.203797][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.203797][ T72] netlink_unicast+0x449/0x710 [ 6541.203797][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.203797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.203797][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.203797][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.203797][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.203797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.203797][ T72] [ 6541.205945][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6541.205945][ T72] dst_init+0x84/0x4a0 [ 6541.205945][ T72] dst_alloc+0x97/0x150 [ 6541.205945][ T72] ip6_dst_alloc+0x23/0x90 [ 6541.205945][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6541.205945][ T72] ip6_pol_route+0x56f/0x840 [ 6541.205945][ T72] fib6_rule_lookup+0x456/0x630 [ 6541.205945][ T72] ip6_route_input+0x59c/0xa50 [ 6541.205945][ T72] ipv6_rcv+0x397/0x810 [ 6541.205945][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6541.205945][ T72] process_backlog+0x101/0x620 [ 6541.205945][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6541.205945][ T72] net_rx_action+0x495/0xbe0 [ 6541.205945][ T72] __do_softirq+0x1b5/0x7f6 [ 6541.205945][ T72] [ 6541.207962][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6541.207962][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.207962][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.207962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.207962][ T72] ip6_route_add+0x1c/0x140 [ 6541.207962][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6541.207962][ T72] inet6_addr_add+0x4f8/0xa40 [ 6541.207962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.207962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.207962][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.207962][ T72] netlink_unicast+0x449/0x710 [ 6541.207962][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.207962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.207962][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.207962][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.207962][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.207962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.207962][ T72] [ 6541.210148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6541.210148][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.210148][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.210148][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.210148][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6541.210148][ T72] ipv6_add_addr+0x411/0x2000 [ 6541.210148][ T72] inet6_addr_add+0x30e/0xa40 [ 6541.210148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.210148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.210148][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.210148][ T72] netlink_unicast+0x449/0x710 [ 6541.210148][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.210148][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.210148][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.210148][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.210148][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.210148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.210148][ T72] [ 6541.212406][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6541.212406][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.212406][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.212406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.212406][ T72] ip6_route_add+0x1c/0x140 [ 6541.212406][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6541.212406][ T72] addrconf_add_dev+0xe2/0x170 [ 6541.212406][ T72] inet6_addr_add+0x12f/0xa40 [ 6541.212406][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.212406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.212406][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.212406][ T72] netlink_unicast+0x449/0x710 [ 6541.212406][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.212406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.212406][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.212406][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.212406][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.212406][ T72] [ 6541.214674][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6541.214674][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6541.214674][ T72] ipv6_find_idev+0x102/0x170 [ 6541.214674][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.214674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.214674][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.214674][ T72] netlink_unicast+0x449/0x710 [ 6541.214674][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.214674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.214674][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.214674][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.214674][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.214674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.214674][ T72] [ 6541.216395][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6541.216395][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6541.216395][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6541.216395][ T72] ipv6_find_idev+0x102/0x170 [ 6541.216395][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.216395][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.216395][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.216395][ T72] netlink_unicast+0x449/0x710 [ 6541.216395][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.216395][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.216395][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.216395][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.216395][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.216395][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.216395][ T72] [ 6541.218273][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6541.218616][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6541.218616][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.218616][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.218616][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.218616][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6541.218616][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6541.218616][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6541.218616][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6541.218616][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6541.218616][ T72] addrconf_dad_begin+0x310/0x670 [ 6541.218616][ T72] addrconf_dad_work+0x10b/0xab0 [ 6541.218616][ T72] process_one_work+0x84d/0x18a0 [ 6541.218616][ T72] worker_thread+0x587/0xd30 [ 6541.218616][ T72] kthread+0x28a/0x350 [ 6541.218616][ T72] ret_from_fork+0x31/0x70 [ 6541.218616][ T72] ret_from_fork_asm+0x1a/0x30 [ 6541.218616][ T72] [ 6541.220711][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6541.220711][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.220711][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.220711][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.220711][ T72] ip6_route_add+0x1c/0x140 [ 6541.220711][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6541.220711][ T72] inet6_addr_add+0x4f8/0xa40 [ 6541.220711][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.220711][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.220711][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.220711][ T72] netlink_unicast+0x449/0x710 [ 6541.220711][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.220711][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.220711][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.220711][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.220711][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.220711][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.220711][ T72] [ 6541.222963][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6541.222963][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.222963][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.222963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.222963][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6541.222963][ T72] ipv6_add_addr+0x411/0x2000 [ 6541.222963][ T72] inet6_addr_add+0x30e/0xa40 [ 6541.222963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.222963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.222963][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.222963][ T72] netlink_unicast+0x449/0x710 [ 6541.222963][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.222963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.222963][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.222963][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.222963][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.222963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.222963][ T72] [ 6541.225257][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6541.225257][ T72] netdev_get_by_index+0x5e/0x80 [ 6541.225257][ T72] fib6_nh_init+0x3d8/0x1580 [ 6541.225257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6541.225257][ T72] ip6_route_add+0x1c/0x140 [ 6541.225257][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6541.225257][ T72] addrconf_add_dev+0xe2/0x170 [ 6541.225257][ T72] inet6_addr_add+0x12f/0xa40 [ 6541.225257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.225257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.225257][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.225257][ T72] netlink_unicast+0x449/0x710 [ 6541.225257][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.225257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.225257][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.225257][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.225257][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.225257][ T72] [ 6541.227481][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6541.227481][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6541.227481][ T72] ipv6_find_idev+0x102/0x170 [ 6541.227481][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.227481][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.227481][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.227481][ T72] netlink_unicast+0x449/0x710 [ 6541.227481][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.227481][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.227481][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.227481][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.227481][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.227481][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.227481][ T72] [ 6541.229204][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6541.229204][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6541.229204][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6541.229204][ T72] ipv6_find_idev+0x102/0x170 [ 6541.229204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.229204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.229204][ T72] netlink_rcv_skb+0x130/0x360 [ 6541.229204][ T72] netlink_unicast+0x449/0x710 [ 6541.229204][ T72] netlink_sendmsg+0x723/0xbe0 [ 6541.229204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6541.229204][ T72] ___sys_sendmsg+0xee/0x170 [ 6541.229204][ T72] __sys_sendmsg+0xcd/0x170 [ 6541.229204][ T72] do_syscall_64+0xc6/0x1e0 [ 6541.229204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.229204][ T72] [ 6551.472932][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6551.473374][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6551.473374][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6551.473374][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6551.473374][ T72] fib6_nh_init+0xa22/0x1580 [ 6551.473374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.473374][ T72] ip6_route_add+0x1c/0x140 [ 6551.473374][ T72] inet6_rtm_newroute+0x104/0x110 [ 6551.473374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.473374][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.473374][ T72] netlink_unicast+0x449/0x710 [ 6551.473374][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.473374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.473374][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.473374][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.473374][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.473374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.473374][ T72] [ 6551.475298][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6551.475298][ T72] dst_init+0x84/0x4a0 [ 6551.475298][ T72] dst_alloc+0x97/0x150 [ 6551.475298][ T72] ip6_dst_alloc+0x23/0x90 [ 6551.475298][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6551.475298][ T72] ip6_pol_route+0x56f/0x840 [ 6551.475298][ T72] fib6_rule_lookup+0x456/0x630 [ 6551.475298][ T72] ip6_route_input+0x59c/0xa50 [ 6551.475298][ T72] ipv6_rcv+0x397/0x810 [ 6551.475298][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6551.475298][ T72] process_backlog+0x101/0x620 [ 6551.475298][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6551.475298][ T72] net_rx_action+0x495/0xbe0 [ 6551.475298][ T72] __do_softirq+0x1b5/0x7f6 [ 6551.475298][ T72] [ 6551.477070][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6551.477070][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.477070][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.477070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.477070][ T72] ip6_route_add+0x1c/0x140 [ 6551.477070][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6551.477070][ T72] inet6_addr_add+0x4f8/0xa40 [ 6551.477070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.477070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.477070][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.477070][ T72] netlink_unicast+0x449/0x710 [ 6551.477070][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.477070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.477070][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.477070][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.477070][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.477070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.477070][ T72] [ 6551.479096][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6551.479096][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.479096][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.479096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.479096][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6551.479096][ T72] ipv6_add_addr+0x411/0x2000 [ 6551.479096][ T72] inet6_addr_add+0x30e/0xa40 [ 6551.479096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.479096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.479096][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.479096][ T72] netlink_unicast+0x449/0x710 [ 6551.479096][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.479096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.479096][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.479096][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.479096][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.479096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.479096][ T72] [ 6551.481115][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6551.481115][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.481115][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.481115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.481115][ T72] ip6_route_add+0x1c/0x140 [ 6551.481115][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6551.481115][ T72] addrconf_add_dev+0xe2/0x170 [ 6551.481115][ T72] inet6_addr_add+0x12f/0xa40 [ 6551.481115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.481115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.481115][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.481115][ T72] netlink_unicast+0x449/0x710 [ 6551.481115][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.481115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.481115][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.481115][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.481115][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.481115][ T72] [ 6551.483083][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6551.483083][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6551.483083][ T72] ipv6_find_idev+0x102/0x170 [ 6551.483083][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6551.483083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.483083][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.483083][ T72] netlink_unicast+0x449/0x710 [ 6551.483083][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.483083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.483083][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.483083][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.483083][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.483083][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.483083][ T72] [ 6551.485161][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6551.485161][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6551.485161][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6551.485161][ T72] ipv6_find_idev+0x102/0x170 [ 6551.485161][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6551.485161][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.485161][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.485161][ T72] netlink_unicast+0x449/0x710 [ 6551.485161][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.485161][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.485161][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.485161][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.485161][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.485161][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.485161][ T72] [ 6551.486871][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6551.487148][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6551.487148][ T72] dst_init+0x84/0x4a0 [ 6551.487148][ T72] dst_alloc+0x97/0x150 [ 6551.487148][ T72] ip6_dst_alloc+0x23/0x90 [ 6551.487148][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6551.487148][ T72] ip6_pol_route+0x56f/0x840 [ 6551.487148][ T72] fib6_rule_lookup+0x456/0x630 [ 6551.487148][ T72] ip6_route_input+0x59c/0xa50 [ 6551.487148][ T72] ipv6_rcv+0x397/0x810 [ 6551.487148][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6551.487148][ T72] process_backlog+0x101/0x620 [ 6551.487148][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6551.487148][ T72] net_rx_action+0x495/0xbe0 [ 6551.487148][ T72] __do_softirq+0x1b5/0x7f6 [ 6551.487148][ T72] [ 6551.488801][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6551.488801][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.488801][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.488801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.488801][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6551.488801][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6551.488801][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6551.488801][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6551.488801][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6551.488801][ T72] addrconf_dad_begin+0x310/0x670 [ 6551.488801][ T72] addrconf_dad_work+0x10b/0xab0 [ 6551.488801][ T72] process_one_work+0x84d/0x18a0 [ 6551.488801][ T72] worker_thread+0x587/0xd30 [ 6551.488801][ T72] kthread+0x28a/0x350 [ 6551.488801][ T72] ret_from_fork+0x31/0x70 [ 6551.488801][ T72] ret_from_fork_asm+0x1a/0x30 [ 6551.488801][ T72] [ 6551.490724][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6551.490724][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.490724][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.490724][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.490724][ T72] ip6_route_add+0x1c/0x140 [ 6551.490724][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6551.490724][ T72] inet6_addr_add+0x4f8/0xa40 [ 6551.490724][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.490724][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.490724][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.490724][ T72] netlink_unicast+0x449/0x710 [ 6551.490724][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.490724][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.490724][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.490724][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.490724][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.490724][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.490724][ T72] [ 6551.492738][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6551.492738][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.492738][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.492738][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.492738][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6551.492738][ T72] ipv6_add_addr+0x411/0x2000 [ 6551.492738][ T72] inet6_addr_add+0x30e/0xa40 [ 6551.492738][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.492738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.492738][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.492738][ T72] netlink_unicast+0x449/0x710 [ 6551.492738][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.492738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.492738][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.492738][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.492738][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.492738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.492738][ T72] [ 6551.494744][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6551.494744][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.494744][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.494744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.494744][ T72] ip6_route_add+0x1c/0x140 [ 6551.494744][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6551.494744][ T72] addrconf_add_dev+0xe2/0x170 [ 6551.494744][ T72] inet6_addr_add+0x12f/0xa40 [ 6551.494744][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.494744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.494744][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.494744][ T72] netlink_unicast+0x449/0x710 [ 6551.494744][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.494744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.494744][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.494744][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.494744][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.494744][ T72] [ 6551.496711][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6551.496711][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6551.496711][ T72] ipv6_find_idev+0x102/0x170 [ 6551.496711][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6551.496711][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.496711][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.496711][ T72] netlink_unicast+0x449/0x710 [ 6551.496711][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.496711][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.496711][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.496711][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.496711][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.496711][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.496711][ T72] [ 6551.498279][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6551.498279][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6551.498279][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6551.498279][ T72] ipv6_find_idev+0x102/0x170 [ 6551.498279][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6551.498279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.498279][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.498279][ T72] netlink_unicast+0x449/0x710 [ 6551.498279][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.498279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.498279][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.498279][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.498279][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.498279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.498279][ T72] [ 6551.500106][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6551.500382][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6551.500382][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6551.500382][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6551.500382][ T72] fib6_nh_init+0xa22/0x1580 [ 6551.500382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.500382][ T72] ip6_route_add+0x1c/0x140 [ 6551.500382][ T72] inet6_rtm_newroute+0x104/0x110 [ 6551.500382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.500382][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.500382][ T72] netlink_unicast+0x449/0x710 [ 6551.500382][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.500382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.500382][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.500382][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.500382][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.500382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.500382][ T72] [ 6551.502514][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6551.502514][ T72] dst_init+0x84/0x4a0 [ 6551.502514][ T72] dst_alloc+0x97/0x150 [ 6551.502514][ T72] ip6_dst_alloc+0x23/0x90 [ 6551.502514][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6551.502514][ T72] ip6_pol_route+0x56f/0x840 [ 6551.502514][ T72] fib6_rule_lookup+0x456/0x630 [ 6551.502514][ T72] ip6_route_input+0x59c/0xa50 [ 6551.502514][ T72] ipv6_rcv+0x397/0x810 [ 6551.502514][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6551.502514][ T72] process_backlog+0x101/0x620 [ 6551.502514][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6551.502514][ T72] net_rx_action+0x495/0xbe0 [ 6551.502514][ T72] __do_softirq+0x1b5/0x7f6 [ 6551.502514][ T72] [ 6551.504394][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6551.504394][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.504394][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.504394][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.504394][ T72] ip6_route_add+0x1c/0x140 [ 6551.504394][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6551.504394][ T72] inet6_addr_add+0x4f8/0xa40 [ 6551.504394][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.504394][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.504394][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.504394][ T72] netlink_unicast+0x449/0x710 [ 6551.504394][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.504394][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.504394][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.504394][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.504394][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.504394][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.504394][ T72] [ 6551.528751][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6551.528751][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.528751][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.528751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.528751][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6551.528751][ T72] ipv6_add_addr+0x411/0x2000 [ 6551.528751][ T72] inet6_addr_add+0x30e/0xa40 [ 6551.528751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.528751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.528751][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.528751][ T72] netlink_unicast+0x449/0x710 [ 6551.528751][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.528751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.528751][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.528751][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.528751][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.528751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.528751][ T72] [ 6551.531004][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6551.531004][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.531004][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.531004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.531004][ T72] ip6_route_add+0x1c/0x140 [ 6551.531004][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6551.531004][ T72] addrconf_add_dev+0xe2/0x170 [ 6551.531004][ T72] inet6_addr_add+0x12f/0xa40 [ 6551.531004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.531004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.531004][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.531004][ T72] netlink_unicast+0x449/0x710 [ 6551.531004][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.531004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.531004][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.531004][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.531004][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.531004][ T72] [ 6551.533274][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6551.533274][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6551.533274][ T72] ipv6_find_idev+0x102/0x170 [ 6551.533274][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6551.533274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.533274][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.533274][ T72] netlink_unicast+0x449/0x710 [ 6551.533274][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.533274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.533274][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.533274][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.533274][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.533274][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.533274][ T72] [ 6551.534999][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6551.534999][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6551.534999][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6551.534999][ T72] ipv6_find_idev+0x102/0x170 [ 6551.534999][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6551.534999][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.534999][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.534999][ T72] netlink_unicast+0x449/0x710 [ 6551.534999][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.534999][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.534999][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.534999][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.534999][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.534999][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.534999][ T72] [ 6551.536895][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6551.537250][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6551.537250][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.537250][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.537250][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.537250][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6551.537250][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6551.537250][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6551.537250][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6551.537250][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6551.537250][ T72] addrconf_dad_begin+0x310/0x670 [ 6551.537250][ T72] addrconf_dad_work+0x10b/0xab0 [ 6551.537250][ T72] process_one_work+0x84d/0x18a0 [ 6551.537250][ T72] worker_thread+0x587/0xd30 [ 6551.537250][ T72] kthread+0x28a/0x350 [ 6551.537250][ T72] ret_from_fork+0x31/0x70 [ 6551.537250][ T72] ret_from_fork_asm+0x1a/0x30 [ 6551.537250][ T72] [ 6551.539354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6551.539354][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.539354][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.539354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.539354][ T72] ip6_route_add+0x1c/0x140 [ 6551.539354][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6551.539354][ T72] inet6_addr_add+0x4f8/0xa40 [ 6551.539354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.539354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.539354][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.539354][ T72] netlink_unicast+0x449/0x710 [ 6551.539354][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.539354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.539354][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.539354][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.539354][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.539354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.539354][ T72] [ 6551.541596][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6551.541596][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.541596][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.541596][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.541596][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6551.541596][ T72] ipv6_add_addr+0x411/0x2000 [ 6551.541596][ T72] inet6_addr_add+0x30e/0xa40 [ 6551.541596][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.541596][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.541596][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.541596][ T72] netlink_unicast+0x449/0x710 [ 6551.541596][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.541596][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.541596][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.541596][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.541596][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.541596][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.541596][ T72] [ 6551.543899][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6551.543899][ T72] netdev_get_by_index+0x5e/0x80 [ 6551.543899][ T72] fib6_nh_init+0x3d8/0x1580 [ 6551.543899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6551.543899][ T72] ip6_route_add+0x1c/0x140 [ 6551.543899][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6551.543899][ T72] addrconf_add_dev+0xe2/0x170 [ 6551.543899][ T72] inet6_addr_add+0x12f/0xa40 [ 6551.543899][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6551.543899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.543899][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.543899][ T72] netlink_unicast+0x449/0x710 [ 6551.543899][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.543899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.543899][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.543899][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.543899][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.543899][ T72] [ 6551.546105][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6551.546105][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6551.546105][ T72] ipv6_find_idev+0x102/0x170 [ 6551.546105][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6551.546105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.546105][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.546105][ T72] netlink_unicast+0x449/0x710 [ 6551.546105][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.546105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.546105][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.546105][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.546105][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.546105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.546105][ T72] [ 6551.547828][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6551.547828][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6551.547828][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6551.547828][ T72] ipv6_find_idev+0x102/0x170 [ 6551.547828][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6551.547828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6551.547828][ T72] netlink_rcv_skb+0x130/0x360 [ 6551.547828][ T72] netlink_unicast+0x449/0x710 [ 6551.547828][ T72] netlink_sendmsg+0x723/0xbe0 [ 6551.547828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6551.547828][ T72] ___sys_sendmsg+0xee/0x170 [ 6551.547828][ T72] __sys_sendmsg+0xcd/0x170 [ 6551.547828][ T72] do_syscall_64+0xc6/0x1e0 [ 6551.547828][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6551.547828][ T72] [ 6561.552885][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6561.553392][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6561.553392][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6561.553392][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6561.553392][ T72] fib6_nh_init+0xa22/0x1580 [ 6561.553392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.553392][ T72] ip6_route_add+0x1c/0x140 [ 6561.553392][ T72] inet6_rtm_newroute+0x104/0x110 [ 6561.553392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.553392][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.553392][ T72] netlink_unicast+0x449/0x710 [ 6561.553392][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.553392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.553392][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.553392][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.553392][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.553392][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.553392][ T72] [ 6561.555310][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6561.555310][ T72] dst_init+0x84/0x4a0 [ 6561.555310][ T72] dst_alloc+0x97/0x150 [ 6561.555310][ T72] ip6_dst_alloc+0x23/0x90 [ 6561.555310][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6561.555310][ T72] ip6_pol_route+0x56f/0x840 [ 6561.555310][ T72] fib6_rule_lookup+0x456/0x630 [ 6561.555310][ T72] ip6_route_input+0x59c/0xa50 [ 6561.555310][ T72] ipv6_rcv+0x397/0x810 [ 6561.555310][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6561.555310][ T72] process_backlog+0x101/0x620 [ 6561.555310][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6561.555310][ T72] net_rx_action+0x495/0xbe0 [ 6561.555310][ T72] __do_softirq+0x1b5/0x7f6 [ 6561.555310][ T72] [ 6561.556959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6561.556959][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.556959][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.556959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.556959][ T72] ip6_route_add+0x1c/0x140 [ 6561.556959][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6561.556959][ T72] inet6_addr_add+0x4f8/0xa40 [ 6561.556959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.556959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.556959][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.556959][ T72] netlink_unicast+0x449/0x710 [ 6561.556959][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.556959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.556959][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.556959][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.556959][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.556959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.556959][ T72] [ 6561.558995][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6561.558995][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.558995][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.558995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.558995][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6561.558995][ T72] ipv6_add_addr+0x411/0x2000 [ 6561.558995][ T72] inet6_addr_add+0x30e/0xa40 [ 6561.558995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.558995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.558995][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.558995][ T72] netlink_unicast+0x449/0x710 [ 6561.558995][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.558995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.558995][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.558995][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.558995][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.558995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.558995][ T72] [ 6561.560992][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6561.560992][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.560992][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.560992][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.560992][ T72] ip6_route_add+0x1c/0x140 [ 6561.560992][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6561.560992][ T72] addrconf_add_dev+0xe2/0x170 [ 6561.560992][ T72] inet6_addr_add+0x12f/0xa40 [ 6561.560992][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.560992][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.560992][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.560992][ T72] netlink_unicast+0x449/0x710 [ 6561.560992][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.560992][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.560992][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.560992][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.560992][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.560992][ T72] [ 6561.562959][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6561.562959][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6561.562959][ T72] ipv6_find_idev+0x102/0x170 [ 6561.562959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6561.562959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.562959][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.562959][ T72] netlink_unicast+0x449/0x710 [ 6561.562959][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.562959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.562959][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.562959][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.562959][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.562959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.562959][ T72] [ 6561.564475][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6561.564475][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6561.564475][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6561.564475][ T72] ipv6_find_idev+0x102/0x170 [ 6561.564475][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6561.564475][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.564475][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.564475][ T72] netlink_unicast+0x449/0x710 [ 6561.564475][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.564475][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.564475][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.564475][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.564475][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.564475][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.564475][ T72] [ 6561.566173][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6561.566453][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6561.566453][ T72] dst_init+0x84/0x4a0 [ 6561.566453][ T72] dst_alloc+0x97/0x150 [ 6561.566453][ T72] ip6_dst_alloc+0x23/0x90 [ 6561.566453][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6561.566453][ T72] ip6_pol_route+0x56f/0x840 [ 6561.566453][ T72] fib6_rule_lookup+0x456/0x630 [ 6561.566453][ T72] ip6_route_input+0x59c/0xa50 [ 6561.566453][ T72] ipv6_rcv+0x397/0x810 [ 6561.566453][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6561.566453][ T72] process_backlog+0x101/0x620 [ 6561.566453][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6561.566453][ T72] net_rx_action+0x495/0xbe0 [ 6561.566453][ T72] __do_softirq+0x1b5/0x7f6 [ 6561.566453][ T72] [ 6561.568110][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6561.568110][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.568110][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.568110][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.568110][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6561.568110][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6561.568110][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6561.568110][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6561.568110][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6561.568110][ T72] addrconf_dad_begin+0x310/0x670 [ 6561.568110][ T72] addrconf_dad_work+0x10b/0xab0 [ 6561.568110][ T72] process_one_work+0x84d/0x18a0 [ 6561.568110][ T72] worker_thread+0x587/0xd30 [ 6561.568110][ T72] kthread+0x28a/0x350 [ 6561.568110][ T72] ret_from_fork+0x31/0x70 [ 6561.568110][ T72] ret_from_fork_asm+0x1a/0x30 [ 6561.568110][ T72] [ 6561.570032][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6561.570032][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.570032][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.570032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.570032][ T72] ip6_route_add+0x1c/0x140 [ 6561.570032][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6561.570032][ T72] inet6_addr_add+0x4f8/0xa40 [ 6561.570032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.570032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.570032][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.570032][ T72] netlink_unicast+0x449/0x710 [ 6561.570032][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.570032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.570032][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.570032][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.570032][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.570032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.570032][ T72] [ 6561.572036][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6561.572036][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.572036][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.572036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.572036][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6561.572036][ T72] ipv6_add_addr+0x411/0x2000 [ 6561.572036][ T72] inet6_addr_add+0x30e/0xa40 [ 6561.572036][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.572036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.572036][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.572036][ T72] netlink_unicast+0x449/0x710 [ 6561.572036][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.572036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.572036][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.572036][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.572036][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.572036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.572036][ T72] [ 6561.574046][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6561.574046][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.574046][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.574046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.574046][ T72] ip6_route_add+0x1c/0x140 [ 6561.574046][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6561.574046][ T72] addrconf_add_dev+0xe2/0x170 [ 6561.574046][ T72] inet6_addr_add+0x12f/0xa40 [ 6561.574046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.574046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.574046][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.574046][ T72] netlink_unicast+0x449/0x710 [ 6561.574046][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.574046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.574046][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.574046][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.574046][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.574046][ T72] [ 6561.576021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6561.576021][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6561.576021][ T72] ipv6_find_idev+0x102/0x170 [ 6561.576021][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6561.576021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.576021][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.576021][ T72] netlink_unicast+0x449/0x710 [ 6561.576021][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.576021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.576021][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.576021][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.576021][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.576021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.576021][ T72] [ 6561.577565][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6561.577565][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6561.577565][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6561.577565][ T72] ipv6_find_idev+0x102/0x170 [ 6561.577565][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6561.577565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.577565][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.577565][ T72] netlink_unicast+0x449/0x710 [ 6561.577565][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.577565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.577565][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.577565][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.577565][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.577565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.577565][ T72] [ 6561.579401][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6561.579678][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6561.579678][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6561.579678][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6561.579678][ T72] fib6_nh_init+0xa22/0x1580 [ 6561.579678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.579678][ T72] ip6_route_add+0x1c/0x140 [ 6561.579678][ T72] inet6_rtm_newroute+0x104/0x110 [ 6561.579678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.579678][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.579678][ T72] netlink_unicast+0x449/0x710 [ 6561.579678][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.579678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.579678][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.579678][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.579678][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.579678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.579678][ T72] [ 6561.581807][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6561.581807][ T72] dst_init+0x84/0x4a0 [ 6561.581807][ T72] dst_alloc+0x97/0x150 [ 6561.581807][ T72] ip6_dst_alloc+0x23/0x90 [ 6561.581807][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6561.581807][ T72] ip6_pol_route+0x56f/0x840 [ 6561.581807][ T72] fib6_rule_lookup+0x456/0x630 [ 6561.581807][ T72] ip6_route_input+0x59c/0xa50 [ 6561.581807][ T72] ipv6_rcv+0x397/0x810 [ 6561.581807][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6561.581807][ T72] process_backlog+0x101/0x620 [ 6561.581807][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6561.581807][ T72] net_rx_action+0x495/0xbe0 [ 6561.581807][ T72] __do_softirq+0x1b5/0x7f6 [ 6561.581807][ T72] [ 6561.583706][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6561.583706][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.583706][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.583706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.583706][ T72] ip6_route_add+0x1c/0x140 [ 6561.583706][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6561.583706][ T72] inet6_addr_add+0x4f8/0xa40 [ 6561.583706][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.583706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.583706][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.583706][ T72] netlink_unicast+0x449/0x710 [ 6561.583706][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.583706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.583706][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.583706][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.583706][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.583706][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.583706][ T72] [ 6561.585889][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6561.585889][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.585889][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.585889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.585889][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6561.585889][ T72] ipv6_add_addr+0x411/0x2000 [ 6561.585889][ T72] inet6_addr_add+0x30e/0xa40 [ 6561.585889][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.585889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.585889][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.585889][ T72] netlink_unicast+0x449/0x710 [ 6561.585889][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.585889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.585889][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.585889][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.585889][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.585889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.585889][ T72] [ 6561.588156][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6561.588156][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.588156][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.588156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.588156][ T72] ip6_route_add+0x1c/0x140 [ 6561.588156][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6561.588156][ T72] addrconf_add_dev+0xe2/0x170 [ 6561.588156][ T72] inet6_addr_add+0x12f/0xa40 [ 6561.588156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.588156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.588156][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.588156][ T72] netlink_unicast+0x449/0x710 [ 6561.588156][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.588156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.588156][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.588156][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.588156][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.588156][ T72] [ 6561.590444][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6561.590444][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6561.590444][ T72] ipv6_find_idev+0x102/0x170 [ 6561.590444][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6561.590444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.590444][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.590444][ T72] netlink_unicast+0x449/0x710 [ 6561.590444][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.590444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.590444][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.590444][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.590444][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.590444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.590444][ T72] [ 6561.592168][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6561.592168][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6561.592168][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6561.592168][ T72] ipv6_find_idev+0x102/0x170 [ 6561.592168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6561.592168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.592168][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.592168][ T72] netlink_unicast+0x449/0x710 [ 6561.592168][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.592168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.592168][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.592168][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.592168][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.592168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.592168][ T72] [ 6561.594046][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6561.594390][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6561.594390][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.594390][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.594390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.594390][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6561.594390][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6561.594390][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6561.594390][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6561.594390][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6561.594390][ T72] addrconf_dad_begin+0x310/0x670 [ 6561.594390][ T72] addrconf_dad_work+0x10b/0xab0 [ 6561.594390][ T72] process_one_work+0x84d/0x18a0 [ 6561.594390][ T72] worker_thread+0x587/0xd30 [ 6561.594390][ T72] kthread+0x28a/0x350 [ 6561.594390][ T72] ret_from_fork+0x31/0x70 [ 6561.594390][ T72] ret_from_fork_asm+0x1a/0x30 [ 6561.594390][ T72] [ 6561.596491][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6561.596491][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.596491][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.596491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.596491][ T72] ip6_route_add+0x1c/0x140 [ 6561.596491][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6561.596491][ T72] inet6_addr_add+0x4f8/0xa40 [ 6561.596491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.596491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.596491][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.596491][ T72] netlink_unicast+0x449/0x710 [ 6561.596491][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.596491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.596491][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.596491][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.596491][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.596491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.596491][ T72] [ 6561.598747][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6561.598747][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.598747][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.598747][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.598747][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6561.598747][ T72] ipv6_add_addr+0x411/0x2000 [ 6561.598747][ T72] inet6_addr_add+0x30e/0xa40 [ 6561.598747][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.598747][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.598747][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.598747][ T72] netlink_unicast+0x449/0x710 [ 6561.598747][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.598747][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.598747][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.598747][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.598747][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.598747][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.598747][ T72] [ 6561.601049][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6561.601049][ T72] netdev_get_by_index+0x5e/0x80 [ 6561.601049][ T72] fib6_nh_init+0x3d8/0x1580 [ 6561.601049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6561.601049][ T72] ip6_route_add+0x1c/0x140 [ 6561.601049][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6561.601049][ T72] addrconf_add_dev+0xe2/0x170 [ 6561.601049][ T72] inet6_addr_add+0x12f/0xa40 [ 6561.601049][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6561.601049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.601049][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.601049][ T72] netlink_unicast+0x449/0x710 [ 6561.601049][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.601049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.601049][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.601049][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.601049][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.601049][ T72] [ 6561.603259][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6561.603259][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6561.603259][ T72] ipv6_find_idev+0x102/0x170 [ 6561.603259][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6561.603259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.603259][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.603259][ T72] netlink_unicast+0x449/0x710 [ 6561.603259][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.603259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.603259][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.603259][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.603259][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.603259][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.603259][ T72] [ 6561.604986][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6561.604986][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6561.604986][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6561.604986][ T72] ipv6_find_idev+0x102/0x170 [ 6561.604986][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6561.604986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6561.604986][ T72] netlink_rcv_skb+0x130/0x360 [ 6561.604986][ T72] netlink_unicast+0x449/0x710 [ 6561.604986][ T72] netlink_sendmsg+0x723/0xbe0 [ 6561.604986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6561.604986][ T72] ___sys_sendmsg+0xee/0x170 [ 6561.604986][ T72] __sys_sendmsg+0xcd/0x170 [ 6561.604986][ T72] do_syscall_64+0xc6/0x1e0 [ 6561.604986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6561.604986][ T72] [ 6571.824931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6571.825448][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6571.825448][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6571.825448][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6571.825448][ T72] fib6_nh_init+0xa22/0x1580 [ 6571.825448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.825448][ T72] ip6_route_add+0x1c/0x140 [ 6571.825448][ T72] inet6_rtm_newroute+0x104/0x110 [ 6571.825448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.825448][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.825448][ T72] netlink_unicast+0x449/0x710 [ 6571.825448][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.825448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.825448][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.825448][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.825448][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.825448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.825448][ T72] [ 6571.827382][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6571.827382][ T72] dst_init+0x84/0x4a0 [ 6571.827382][ T72] dst_alloc+0x97/0x150 [ 6571.827382][ T72] ip6_dst_alloc+0x23/0x90 [ 6571.827382][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6571.827382][ T72] ip6_pol_route+0x56f/0x840 [ 6571.827382][ T72] fib6_rule_lookup+0x456/0x630 [ 6571.827382][ T72] ip6_route_input+0x59c/0xa50 [ 6571.827382][ T72] ipv6_rcv+0x397/0x810 [ 6571.827382][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6571.827382][ T72] process_backlog+0x101/0x620 [ 6571.827382][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6571.827382][ T72] net_rx_action+0x495/0xbe0 [ 6571.827382][ T72] __do_softirq+0x1b5/0x7f6 [ 6571.827382][ T72] [ 6571.829041][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6571.829041][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.829041][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.829041][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.829041][ T72] ip6_route_add+0x1c/0x140 [ 6571.829041][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6571.829041][ T72] inet6_addr_add+0x4f8/0xa40 [ 6571.829041][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.829041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.829041][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.829041][ T72] netlink_unicast+0x449/0x710 [ 6571.829041][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.829041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.829041][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.829041][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.829041][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.829041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.829041][ T72] [ 6571.831061][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6571.831061][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.831061][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.831061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.831061][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6571.831061][ T72] ipv6_add_addr+0x411/0x2000 [ 6571.831061][ T72] inet6_addr_add+0x30e/0xa40 [ 6571.831061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.831061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.831061][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.831061][ T72] netlink_unicast+0x449/0x710 [ 6571.831061][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.831061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.831061][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.831061][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.831061][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.831061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.831061][ T72] [ 6571.833072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6571.833072][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.833072][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.833072][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.833072][ T72] ip6_route_add+0x1c/0x140 [ 6571.833072][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6571.833072][ T72] addrconf_add_dev+0xe2/0x170 [ 6571.833072][ T72] inet6_addr_add+0x12f/0xa40 [ 6571.833072][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.833072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.833072][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.833072][ T72] netlink_unicast+0x449/0x710 [ 6571.833072][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.833072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.833072][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.833072][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.833072][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.833072][ T72] [ 6571.835049][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6571.835049][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6571.835049][ T72] ipv6_find_idev+0x102/0x170 [ 6571.835049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.835049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.835049][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.835049][ T72] netlink_unicast+0x449/0x710 [ 6571.835049][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.835049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.835049][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.835049][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.835049][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.835049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.835049][ T72] [ 6571.836602][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6571.836602][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6571.836602][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6571.836602][ T72] ipv6_find_idev+0x102/0x170 [ 6571.836602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.836602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.836602][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.836602][ T72] netlink_unicast+0x449/0x710 [ 6571.836602][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.836602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.836602][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.836602][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.836602][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.836602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.836602][ T72] [ 6571.838336][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6571.838609][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6571.838609][ T72] dst_init+0x84/0x4a0 [ 6571.838609][ T72] dst_alloc+0x97/0x150 [ 6571.838609][ T72] ip6_dst_alloc+0x23/0x90 [ 6571.838609][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6571.838609][ T72] ip6_pol_route+0x56f/0x840 [ 6571.838609][ T72] fib6_rule_lookup+0x456/0x630 [ 6571.838609][ T72] ip6_route_input+0x59c/0xa50 [ 6571.838609][ T72] ipv6_rcv+0x397/0x810 [ 6571.838609][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6571.838609][ T72] process_backlog+0x101/0x620 [ 6571.838609][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6571.838609][ T72] net_rx_action+0x495/0xbe0 [ 6571.838609][ T72] __do_softirq+0x1b5/0x7f6 [ 6571.838609][ T72] [ 6571.840256][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6571.840256][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.840256][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.840256][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.840256][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6571.840256][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6571.840256][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6571.840256][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6571.840256][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6571.840256][ T72] addrconf_dad_begin+0x310/0x670 [ 6571.840256][ T72] addrconf_dad_work+0x10b/0xab0 [ 6571.840256][ T72] process_one_work+0x84d/0x18a0 [ 6571.840256][ T72] worker_thread+0x587/0xd30 [ 6571.840256][ T72] kthread+0x28a/0x350 [ 6571.840256][ T72] ret_from_fork+0x31/0x70 [ 6571.840256][ T72] ret_from_fork_asm+0x1a/0x30 [ 6571.840256][ T72] [ 6571.842174][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6571.842174][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.842174][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.842174][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.842174][ T72] ip6_route_add+0x1c/0x140 [ 6571.842174][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6571.842174][ T72] inet6_addr_add+0x4f8/0xa40 [ 6571.842174][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.842174][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.842174][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.842174][ T72] netlink_unicast+0x449/0x710 [ 6571.842174][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.842174][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.842174][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.842174][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.842174][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.842174][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.842174][ T72] [ 6571.844192][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6571.844192][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.844192][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.844192][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.844192][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6571.844192][ T72] ipv6_add_addr+0x411/0x2000 [ 6571.844192][ T72] inet6_addr_add+0x30e/0xa40 [ 6571.844192][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.844192][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.844192][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.844192][ T72] netlink_unicast+0x449/0x710 [ 6571.844192][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.844192][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.844192][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.844192][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.844192][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.844192][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.844192][ T72] [ 6571.846196][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6571.846196][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.846196][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.846196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.846196][ T72] ip6_route_add+0x1c/0x140 [ 6571.846196][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6571.846196][ T72] addrconf_add_dev+0xe2/0x170 [ 6571.846196][ T72] inet6_addr_add+0x12f/0xa40 [ 6571.846196][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.846196][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.846196][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.846196][ T72] netlink_unicast+0x449/0x710 [ 6571.846196][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.846196][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.846196][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.846196][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.846196][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.846196][ T72] [ 6571.848175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6571.848175][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6571.848175][ T72] ipv6_find_idev+0x102/0x170 [ 6571.848175][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.848175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.848175][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.848175][ T72] netlink_unicast+0x449/0x710 [ 6571.848175][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.848175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.848175][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.848175][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.848175][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.848175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.848175][ T72] [ 6571.849718][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6571.849718][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6571.849718][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6571.849718][ T72] ipv6_find_idev+0x102/0x170 [ 6571.849718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.849718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.849718][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.849718][ T72] netlink_unicast+0x449/0x710 [ 6571.849718][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.849718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.849718][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.849718][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.849718][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.849718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.849718][ T72] [ 6571.851571][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6571.851858][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6571.851858][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6571.851858][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6571.851858][ T72] fib6_nh_init+0xa22/0x1580 [ 6571.851858][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.851858][ T72] ip6_route_add+0x1c/0x140 [ 6571.851858][ T72] inet6_rtm_newroute+0x104/0x110 [ 6571.851858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.851858][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.851858][ T72] netlink_unicast+0x449/0x710 [ 6571.851858][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.851858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.851858][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.851858][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.851858][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.851858][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.851858][ T72] [ 6571.854006][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6571.854006][ T72] dst_init+0x84/0x4a0 [ 6571.854006][ T72] dst_alloc+0x97/0x150 [ 6571.854006][ T72] ip6_dst_alloc+0x23/0x90 [ 6571.854006][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6571.854006][ T72] ip6_pol_route+0x56f/0x840 [ 6571.854006][ T72] fib6_rule_lookup+0x456/0x630 [ 6571.854006][ T72] ip6_route_input+0x59c/0xa50 [ 6571.854006][ T72] ipv6_rcv+0x397/0x810 [ 6571.854006][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6571.854006][ T72] process_backlog+0x101/0x620 [ 6571.854006][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6571.854006][ T72] net_rx_action+0x495/0xbe0 [ 6571.854006][ T72] __do_softirq+0x1b5/0x7f6 [ 6571.854006][ T72] [ 6571.855891][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6571.855891][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.855891][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.855891][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.855891][ T72] ip6_route_add+0x1c/0x140 [ 6571.855891][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6571.855891][ T72] inet6_addr_add+0x4f8/0xa40 [ 6571.855891][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.855891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.855891][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.855891][ T72] netlink_unicast+0x449/0x710 [ 6571.855891][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.855891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.855891][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.855891][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.855891][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.855891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.855891][ T72] [ 6571.858087][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6571.858087][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.858087][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.858087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.858087][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6571.858087][ T72] ipv6_add_addr+0x411/0x2000 [ 6571.858087][ T72] inet6_addr_add+0x30e/0xa40 [ 6571.858087][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.858087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.858087][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.858087][ T72] netlink_unicast+0x449/0x710 [ 6571.858087][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.858087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.858087][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.858087][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.858087][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.858087][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.858087][ T72] [ 6571.860339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6571.860339][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.860339][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.860339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.860339][ T72] ip6_route_add+0x1c/0x140 [ 6571.860339][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6571.860339][ T72] addrconf_add_dev+0xe2/0x170 [ 6571.860339][ T72] inet6_addr_add+0x12f/0xa40 [ 6571.860339][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.860339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.860339][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.860339][ T72] netlink_unicast+0x449/0x710 [ 6571.860339][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.860339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.860339][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.860339][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.860339][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.860339][ T72] [ 6571.862615][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6571.862615][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6571.862615][ T72] ipv6_find_idev+0x102/0x170 [ 6571.862615][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.862615][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.862615][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.862615][ T72] netlink_unicast+0x449/0x710 [ 6571.862615][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.862615][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.862615][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.862615][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.862615][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.862615][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.862615][ T72] [ 6571.864336][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6571.864336][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6571.864336][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6571.864336][ T72] ipv6_find_idev+0x102/0x170 [ 6571.864336][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.864336][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.864336][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.864336][ T72] netlink_unicast+0x449/0x710 [ 6571.864336][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.864336][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.864336][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.864336][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.864336][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.864336][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.864336][ T72] [ 6571.866210][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6571.866543][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6571.866543][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.866543][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.866543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.866543][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6571.866543][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6571.866543][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6571.866543][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6571.866543][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6571.866543][ T72] addrconf_dad_begin+0x310/0x670 [ 6571.866543][ T72] addrconf_dad_work+0x10b/0xab0 [ 6571.866543][ T72] process_one_work+0x84d/0x18a0 [ 6571.866543][ T72] worker_thread+0x587/0xd30 [ 6571.866543][ T72] kthread+0x28a/0x350 [ 6571.866543][ T72] ret_from_fork+0x31/0x70 [ 6571.866543][ T72] ret_from_fork_asm+0x1a/0x30 [ 6571.866543][ T72] [ 6571.868648][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6571.868648][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.868648][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.868648][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.868648][ T72] ip6_route_add+0x1c/0x140 [ 6571.868648][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6571.868648][ T72] inet6_addr_add+0x4f8/0xa40 [ 6571.868648][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.868648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.868648][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.868648][ T72] netlink_unicast+0x449/0x710 [ 6571.868648][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.868648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.868648][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.868648][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.868648][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.868648][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.868648][ T72] [ 6571.870893][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6571.870893][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.870893][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.870893][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.870893][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6571.870893][ T72] ipv6_add_addr+0x411/0x2000 [ 6571.870893][ T72] inet6_addr_add+0x30e/0xa40 [ 6571.870893][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.870893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.870893][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.870893][ T72] netlink_unicast+0x449/0x710 [ 6571.870893][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.870893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.870893][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.870893][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.870893][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.870893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.870893][ T72] [ 6571.873208][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6571.873208][ T72] netdev_get_by_index+0x5e/0x80 [ 6571.873208][ T72] fib6_nh_init+0x3d8/0x1580 [ 6571.873208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6571.873208][ T72] ip6_route_add+0x1c/0x140 [ 6571.873208][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6571.873208][ T72] addrconf_add_dev+0xe2/0x170 [ 6571.873208][ T72] inet6_addr_add+0x12f/0xa40 [ 6571.873208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6571.873208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.873208][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.873208][ T72] netlink_unicast+0x449/0x710 [ 6571.873208][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.873208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.873208][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.873208][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.873208][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.873208][ T72] [ 6571.875410][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6571.875410][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6571.875410][ T72] ipv6_find_idev+0x102/0x170 [ 6571.875410][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.875410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.875410][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.875410][ T72] netlink_unicast+0x449/0x710 [ 6571.875410][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.875410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.875410][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.875410][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.875410][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.875410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.875410][ T72] [ 6571.877131][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6571.877131][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6571.877131][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6571.877131][ T72] ipv6_find_idev+0x102/0x170 [ 6571.877131][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6571.877131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6571.877131][ T72] netlink_rcv_skb+0x130/0x360 [ 6571.877131][ T72] netlink_unicast+0x449/0x710 [ 6571.877131][ T72] netlink_sendmsg+0x723/0xbe0 [ 6571.877131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6571.877131][ T72] ___sys_sendmsg+0xee/0x170 [ 6571.877131][ T72] __sys_sendmsg+0xcd/0x170 [ 6571.877131][ T72] do_syscall_64+0xc6/0x1e0 [ 6571.877131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6571.877131][ T72] [ 6582.121004][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6582.121526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6582.121526][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6582.121526][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6582.121526][ T72] fib6_nh_init+0xa22/0x1580 [ 6582.121526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.121526][ T72] ip6_route_add+0x1c/0x140 [ 6582.121526][ T72] inet6_rtm_newroute+0x104/0x110 [ 6582.121526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.121526][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.121526][ T72] netlink_unicast+0x449/0x710 [ 6582.121526][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.121526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.121526][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.121526][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.121526][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.121526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.121526][ T72] [ 6582.123440][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6582.123440][ T72] dst_init+0x84/0x4a0 [ 6582.123440][ T72] dst_alloc+0x97/0x150 [ 6582.123440][ T72] ip6_dst_alloc+0x23/0x90 [ 6582.123440][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6582.123440][ T72] ip6_pol_route+0x56f/0x840 [ 6582.123440][ T72] fib6_rule_lookup+0x456/0x630 [ 6582.123440][ T72] ip6_route_input+0x59c/0xa50 [ 6582.123440][ T72] ipv6_rcv+0x397/0x810 [ 6582.123440][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6582.123440][ T72] process_backlog+0x101/0x620 [ 6582.123440][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6582.123440][ T72] net_rx_action+0x495/0xbe0 [ 6582.123440][ T72] __do_softirq+0x1b5/0x7f6 [ 6582.123440][ T72] [ 6582.125063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6582.125063][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.125063][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.125063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.125063][ T72] ip6_route_add+0x1c/0x140 [ 6582.125063][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6582.125063][ T72] inet6_addr_add+0x4f8/0xa40 [ 6582.125063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.125063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.125063][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.125063][ T72] netlink_unicast+0x449/0x710 [ 6582.125063][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.125063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.125063][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.125063][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.125063][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.125063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.125063][ T72] [ 6582.127071][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6582.127071][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.127071][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.127071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.127071][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6582.127071][ T72] ipv6_add_addr+0x411/0x2000 [ 6582.127071][ T72] inet6_addr_add+0x30e/0xa40 [ 6582.127071][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.127071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.127071][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.127071][ T72] netlink_unicast+0x449/0x710 [ 6582.127071][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.127071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.127071][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.127071][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.127071][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.127071][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.127071][ T72] [ 6582.129104][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6582.129104][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.129104][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.129104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.129104][ T72] ip6_route_add+0x1c/0x140 [ 6582.129104][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6582.129104][ T72] addrconf_add_dev+0xe2/0x170 [ 6582.129104][ T72] inet6_addr_add+0x12f/0xa40 [ 6582.129104][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.129104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.129104][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.129104][ T72] netlink_unicast+0x449/0x710 [ 6582.129104][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.129104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.129104][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.129104][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.129104][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.129104][ T72] [ 6582.131069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6582.131069][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6582.131069][ T72] ipv6_find_idev+0x102/0x170 [ 6582.131069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.131069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.131069][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.131069][ T72] netlink_unicast+0x449/0x710 [ 6582.131069][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.131069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.131069][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.131069][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.131069][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.131069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.131069][ T72] [ 6582.132620][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6582.132620][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6582.132620][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6582.132620][ T72] ipv6_find_idev+0x102/0x170 [ 6582.132620][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.132620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.132620][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.132620][ T72] netlink_unicast+0x449/0x710 [ 6582.132620][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.132620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.132620][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.132620][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.132620][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.132620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.132620][ T72] [ 6582.134341][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6582.134625][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6582.134625][ T72] dst_init+0x84/0x4a0 [ 6582.134625][ T72] dst_alloc+0x97/0x150 [ 6582.134625][ T72] ip6_dst_alloc+0x23/0x90 [ 6582.134625][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6582.134625][ T72] ip6_pol_route+0x56f/0x840 [ 6582.134625][ T72] fib6_rule_lookup+0x456/0x630 [ 6582.134625][ T72] ip6_route_input+0x59c/0xa50 [ 6582.134625][ T72] ipv6_rcv+0x397/0x810 [ 6582.134625][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6582.134625][ T72] process_backlog+0x101/0x620 [ 6582.134625][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6582.134625][ T72] net_rx_action+0x495/0xbe0 [ 6582.134625][ T72] __do_softirq+0x1b5/0x7f6 [ 6582.134625][ T72] [ 6582.136276][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6582.136276][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.136276][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.136276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.136276][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6582.136276][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6582.136276][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6582.136276][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6582.136276][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6582.136276][ T72] addrconf_dad_begin+0x310/0x670 [ 6582.136276][ T72] addrconf_dad_work+0x10b/0xab0 [ 6582.136276][ T72] process_one_work+0x84d/0x18a0 [ 6582.136276][ T72] worker_thread+0x587/0xd30 [ 6582.136276][ T72] kthread+0x28a/0x350 [ 6582.136276][ T72] ret_from_fork+0x31/0x70 [ 6582.136276][ T72] ret_from_fork_asm+0x1a/0x30 [ 6582.136276][ T72] [ 6582.138197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6582.138197][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.138197][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.138197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.138197][ T72] ip6_route_add+0x1c/0x140 [ 6582.138197][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6582.138197][ T72] inet6_addr_add+0x4f8/0xa40 [ 6582.138197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.138197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.138197][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.138197][ T72] netlink_unicast+0x449/0x710 [ 6582.138197][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.138197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.138197][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.138197][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.138197][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.138197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.138197][ T72] [ 6582.140204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6582.140204][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.140204][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.140204][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.140204][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6582.140204][ T72] ipv6_add_addr+0x411/0x2000 [ 6582.140204][ T72] inet6_addr_add+0x30e/0xa40 [ 6582.140204][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.140204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.140204][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.140204][ T72] netlink_unicast+0x449/0x710 [ 6582.140204][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.140204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.140204][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.140204][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.140204][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.140204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.140204][ T72] [ 6582.142202][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6582.142202][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.142202][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.142202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.142202][ T72] ip6_route_add+0x1c/0x140 [ 6582.142202][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6582.142202][ T72] addrconf_add_dev+0xe2/0x170 [ 6582.142202][ T72] inet6_addr_add+0x12f/0xa40 [ 6582.142202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.142202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.142202][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.142202][ T72] netlink_unicast+0x449/0x710 [ 6582.142202][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.142202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.142202][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.142202][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.142202][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.142202][ T72] [ 6582.144175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6582.144175][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6582.144175][ T72] ipv6_find_idev+0x102/0x170 [ 6582.144175][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.144175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.144175][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.144175][ T72] netlink_unicast+0x449/0x710 [ 6582.144175][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.144175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.144175][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.144175][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.144175][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.144175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.144175][ T72] [ 6582.145735][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6582.145735][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6582.145735][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6582.145735][ T72] ipv6_find_idev+0x102/0x170 [ 6582.145735][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.145735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.145735][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.145735][ T72] netlink_unicast+0x449/0x710 [ 6582.145735][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.145735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.145735][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.145735][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.145735][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.145735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.145735][ T72] [ 6582.147561][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6582.147845][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6582.147845][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6582.147845][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6582.147845][ T72] fib6_nh_init+0xa22/0x1580 [ 6582.147845][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.147845][ T72] ip6_route_add+0x1c/0x140 [ 6582.147845][ T72] inet6_rtm_newroute+0x104/0x110 [ 6582.147845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.147845][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.147845][ T72] netlink_unicast+0x449/0x710 [ 6582.147845][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.147845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.147845][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.147845][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.147845][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.147845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.147845][ T72] [ 6582.149982][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6582.149982][ T72] dst_init+0x84/0x4a0 [ 6582.149982][ T72] dst_alloc+0x97/0x150 [ 6582.149982][ T72] ip6_dst_alloc+0x23/0x90 [ 6582.149982][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6582.149982][ T72] ip6_pol_route+0x56f/0x840 [ 6582.149982][ T72] fib6_rule_lookup+0x456/0x630 [ 6582.149982][ T72] ip6_route_input+0x59c/0xa50 [ 6582.149982][ T72] ipv6_rcv+0x397/0x810 [ 6582.149982][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6582.149982][ T72] process_backlog+0x101/0x620 [ 6582.149982][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6582.149982][ T72] net_rx_action+0x495/0xbe0 [ 6582.149982][ T72] __do_softirq+0x1b5/0x7f6 [ 6582.149982][ T72] [ 6582.151865][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6582.151865][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.151865][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.151865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.151865][ T72] ip6_route_add+0x1c/0x140 [ 6582.151865][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6582.151865][ T72] inet6_addr_add+0x4f8/0xa40 [ 6582.151865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.151865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.151865][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.151865][ T72] netlink_unicast+0x449/0x710 [ 6582.151865][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.151865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.151865][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.151865][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.151865][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.151865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.151865][ T72] [ 6582.154030][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6582.154030][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.154030][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.154030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.154030][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6582.154030][ T72] ipv6_add_addr+0x411/0x2000 [ 6582.154030][ T72] inet6_addr_add+0x30e/0xa40 [ 6582.154030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.154030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.154030][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.154030][ T72] netlink_unicast+0x449/0x710 [ 6582.154030][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.154030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.154030][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.154030][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.154030][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.154030][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.154030][ T72] [ 6582.156150][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6582.156150][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.156150][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.156150][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.156150][ T72] ip6_route_add+0x1c/0x140 [ 6582.156150][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6582.156150][ T72] addrconf_add_dev+0xe2/0x170 [ 6582.156150][ T72] inet6_addr_add+0x12f/0xa40 [ 6582.156150][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.156150][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.156150][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.156150][ T72] netlink_unicast+0x449/0x710 [ 6582.156150][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.156150][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.156150][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.156150][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.156150][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.156150][ T72] [ 6582.158272][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6582.158272][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6582.158272][ T72] ipv6_find_idev+0x102/0x170 [ 6582.158272][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.158272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.158272][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.158272][ T72] netlink_unicast+0x449/0x710 [ 6582.158272][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.158272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.158272][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.158272][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.158272][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.158272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.158272][ T72] [ 6582.159874][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6582.159874][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6582.159874][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6582.159874][ T72] ipv6_find_idev+0x102/0x170 [ 6582.159874][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.159874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.159874][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.159874][ T72] netlink_unicast+0x449/0x710 [ 6582.159874][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.159874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.159874][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.159874][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.159874][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.159874][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.159874][ T72] [ 6582.161704][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6582.162048][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6582.162048][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.162048][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.162048][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.162048][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6582.162048][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6582.162048][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6582.162048][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6582.162048][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6582.162048][ T72] addrconf_dad_begin+0x310/0x670 [ 6582.162048][ T72] addrconf_dad_work+0x10b/0xab0 [ 6582.162048][ T72] process_one_work+0x84d/0x18a0 [ 6582.162048][ T72] worker_thread+0x587/0xd30 [ 6582.162048][ T72] kthread+0x28a/0x350 [ 6582.162048][ T72] ret_from_fork+0x31/0x70 [ 6582.162048][ T72] ret_from_fork_asm+0x1a/0x30 [ 6582.162048][ T72] [ 6582.164094][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6582.164094][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.164094][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.164094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.164094][ T72] ip6_route_add+0x1c/0x140 [ 6582.164094][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6582.164094][ T72] inet6_addr_add+0x4f8/0xa40 [ 6582.164094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.164094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.164094][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.164094][ T72] netlink_unicast+0x449/0x710 [ 6582.164094][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.164094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.164094][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.164094][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.164094][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.164094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.164094][ T72] [ 6582.166220][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6582.166220][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.166220][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.166220][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.166220][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6582.166220][ T72] ipv6_add_addr+0x411/0x2000 [ 6582.166220][ T72] inet6_addr_add+0x30e/0xa40 [ 6582.166220][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.166220][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.166220][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.166220][ T72] netlink_unicast+0x449/0x710 [ 6582.166220][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.166220][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.166220][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.166220][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.166220][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.166220][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.166220][ T72] [ 6582.168388][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6582.168388][ T72] netdev_get_by_index+0x5e/0x80 [ 6582.168388][ T72] fib6_nh_init+0x3d8/0x1580 [ 6582.168388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6582.168388][ T72] ip6_route_add+0x1c/0x140 [ 6582.168388][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6582.168388][ T72] addrconf_add_dev+0xe2/0x170 [ 6582.168388][ T72] inet6_addr_add+0x12f/0xa40 [ 6582.168388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.168388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.168388][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.168388][ T72] netlink_unicast+0x449/0x710 [ 6582.168388][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.168388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.168388][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.168388][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.168388][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.168388][ T72] [ 6582.170513][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6582.170513][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6582.170513][ T72] ipv6_find_idev+0x102/0x170 [ 6582.170513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.170513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.170513][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.170513][ T72] netlink_unicast+0x449/0x710 [ 6582.170513][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.170513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.170513][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.170513][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.170513][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.170513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.170513][ T72] [ 6582.172194][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6582.172194][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6582.172194][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6582.172194][ T72] ipv6_find_idev+0x102/0x170 [ 6582.172194][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.172194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.172194][ T72] netlink_rcv_skb+0x130/0x360 [ 6582.172194][ T72] netlink_unicast+0x449/0x710 [ 6582.172194][ T72] netlink_sendmsg+0x723/0xbe0 [ 6582.172194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6582.172194][ T72] ___sys_sendmsg+0xee/0x170 [ 6582.172194][ T72] __sys_sendmsg+0xcd/0x170 [ 6582.172194][ T72] do_syscall_64+0xc6/0x1e0 [ 6582.172194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.172194][ T72] [ 6592.296885][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6592.297362][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6592.297362][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6592.297362][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6592.297362][ T72] fib6_nh_init+0xa22/0x1580 [ 6592.297362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.297362][ T72] ip6_route_add+0x1c/0x140 [ 6592.297362][ T72] inet6_rtm_newroute+0x104/0x110 [ 6592.297362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.297362][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.297362][ T72] netlink_unicast+0x449/0x710 [ 6592.297362][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.297362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.297362][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.297362][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.297362][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.297362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.297362][ T72] [ 6592.299488][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6592.299488][ T72] dst_init+0x84/0x4a0 [ 6592.299488][ T72] dst_alloc+0x97/0x150 [ 6592.299488][ T72] ip6_dst_alloc+0x23/0x90 [ 6592.299488][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6592.299488][ T72] ip6_pol_route+0x56f/0x840 [ 6592.299488][ T72] fib6_rule_lookup+0x456/0x630 [ 6592.299488][ T72] ip6_route_input+0x59c/0xa50 [ 6592.299488][ T72] ipv6_rcv+0x397/0x810 [ 6592.299488][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6592.299488][ T72] process_backlog+0x101/0x620 [ 6592.299488][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6592.299488][ T72] net_rx_action+0x495/0xbe0 [ 6592.299488][ T72] __do_softirq+0x1b5/0x7f6 [ 6592.299488][ T72] [ 6592.301316][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6592.301316][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.301316][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.301316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.301316][ T72] ip6_route_add+0x1c/0x140 [ 6592.301316][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6592.301316][ T72] inet6_addr_add+0x4f8/0xa40 [ 6592.301316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.301316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.301316][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.301316][ T72] netlink_unicast+0x449/0x710 [ 6592.301316][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.301316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.301316][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.301316][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.301316][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.301316][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.301316][ T72] [ 6592.303524][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6592.303524][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.303524][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.303524][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.303524][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6592.303524][ T72] ipv6_add_addr+0x411/0x2000 [ 6592.303524][ T72] inet6_addr_add+0x30e/0xa40 [ 6592.303524][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.303524][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.303524][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.303524][ T72] netlink_unicast+0x449/0x710 [ 6592.303524][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.303524][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.303524][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.303524][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.303524][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.303524][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.303524][ T72] [ 6592.305728][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6592.305728][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.305728][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.305728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.305728][ T72] ip6_route_add+0x1c/0x140 [ 6592.305728][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6592.305728][ T72] addrconf_add_dev+0xe2/0x170 [ 6592.305728][ T72] inet6_addr_add+0x12f/0xa40 [ 6592.305728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.305728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.305728][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.305728][ T72] netlink_unicast+0x449/0x710 [ 6592.305728][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.305728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.305728][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.305728][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.305728][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.305728][ T72] [ 6592.307905][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6592.307905][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6592.307905][ T72] ipv6_find_idev+0x102/0x170 [ 6592.307905][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.307905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.307905][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.307905][ T72] netlink_unicast+0x449/0x710 [ 6592.307905][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.307905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.307905][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.307905][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.307905][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.307905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.307905][ T72] [ 6592.309602][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6592.309602][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6592.309602][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6592.309602][ T72] ipv6_find_idev+0x102/0x170 [ 6592.309602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.309602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.309602][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.309602][ T72] netlink_unicast+0x449/0x710 [ 6592.309602][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.309602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.309602][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.309602][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.309602][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.309602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.309602][ T72] [ 6592.311495][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6592.311776][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6592.311776][ T72] dst_init+0x84/0x4a0 [ 6592.311776][ T72] dst_alloc+0x97/0x150 [ 6592.311776][ T72] ip6_dst_alloc+0x23/0x90 [ 6592.311776][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6592.311776][ T72] ip6_pol_route+0x56f/0x840 [ 6592.311776][ T72] fib6_rule_lookup+0x456/0x630 [ 6592.311776][ T72] ip6_route_input+0x59c/0xa50 [ 6592.311776][ T72] ipv6_rcv+0x397/0x810 [ 6592.311776][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6592.311776][ T72] process_backlog+0x101/0x620 [ 6592.311776][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6592.311776][ T72] net_rx_action+0x495/0xbe0 [ 6592.311776][ T72] __do_softirq+0x1b5/0x7f6 [ 6592.311776][ T72] [ 6592.313406][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6592.313406][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.313406][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.313406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.313406][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6592.313406][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6592.313406][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6592.313406][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6592.313406][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6592.313406][ T72] addrconf_dad_begin+0x310/0x670 [ 6592.313406][ T72] addrconf_dad_work+0x10b/0xab0 [ 6592.313406][ T72] process_one_work+0x84d/0x18a0 [ 6592.313406][ T72] worker_thread+0x587/0xd30 [ 6592.313406][ T72] kthread+0x28a/0x350 [ 6592.313406][ T72] ret_from_fork+0x31/0x70 [ 6592.313406][ T72] ret_from_fork_asm+0x1a/0x30 [ 6592.313406][ T72] [ 6592.315298][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6592.315298][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.315298][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.315298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.315298][ T72] ip6_route_add+0x1c/0x140 [ 6592.315298][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6592.315298][ T72] inet6_addr_add+0x4f8/0xa40 [ 6592.315298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.315298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.315298][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.315298][ T72] netlink_unicast+0x449/0x710 [ 6592.315298][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.315298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.315298][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.315298][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.315298][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.315298][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.315298][ T72] [ 6592.317280][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6592.317280][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.317280][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.317280][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.317280][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6592.317280][ T72] ipv6_add_addr+0x411/0x2000 [ 6592.317280][ T72] inet6_addr_add+0x30e/0xa40 [ 6592.317280][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.317280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.317280][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.317280][ T72] netlink_unicast+0x449/0x710 [ 6592.317280][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.317280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.317280][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.317280][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.317280][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.317280][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.317280][ T72] [ 6592.319269][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6592.319269][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.319269][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.319269][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.319269][ T72] ip6_route_add+0x1c/0x140 [ 6592.319269][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6592.319269][ T72] addrconf_add_dev+0xe2/0x170 [ 6592.319269][ T72] inet6_addr_add+0x12f/0xa40 [ 6592.319269][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.319269][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.319269][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.319269][ T72] netlink_unicast+0x449/0x710 [ 6592.319269][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.319269][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.319269][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.319269][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.319269][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.319269][ T72] [ 6592.321218][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6592.321218][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6592.321218][ T72] ipv6_find_idev+0x102/0x170 [ 6592.321218][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.321218][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.321218][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.321218][ T72] netlink_unicast+0x449/0x710 [ 6592.321218][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.321218][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.321218][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.321218][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.321218][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.321218][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.321218][ T72] [ 6592.322748][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6592.322748][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6592.322748][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6592.322748][ T72] ipv6_find_idev+0x102/0x170 [ 6592.322748][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.322748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.322748][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.322748][ T72] netlink_unicast+0x449/0x710 [ 6592.322748][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.322748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.322748][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.322748][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.322748][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.322748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.322748][ T72] [ 6592.324549][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6592.324817][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6592.324817][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6592.324817][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6592.324817][ T72] fib6_nh_init+0xa22/0x1580 [ 6592.324817][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.324817][ T72] ip6_route_add+0x1c/0x140 [ 6592.324817][ T72] inet6_rtm_newroute+0x104/0x110 [ 6592.324817][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.324817][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.324817][ T72] netlink_unicast+0x449/0x710 [ 6592.324817][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.324817][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.324817][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.324817][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.324817][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.324817][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.324817][ T72] [ 6592.326943][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6592.326943][ T72] dst_init+0x84/0x4a0 [ 6592.326943][ T72] dst_alloc+0x97/0x150 [ 6592.326943][ T72] ip6_dst_alloc+0x23/0x90 [ 6592.326943][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6592.326943][ T72] ip6_pol_route+0x56f/0x840 [ 6592.326943][ T72] fib6_rule_lookup+0x456/0x630 [ 6592.326943][ T72] ip6_route_input+0x59c/0xa50 [ 6592.326943][ T72] ipv6_rcv+0x397/0x810 [ 6592.326943][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6592.326943][ T72] process_backlog+0x101/0x620 [ 6592.326943][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6592.326943][ T72] net_rx_action+0x495/0xbe0 [ 6592.326943][ T72] __do_softirq+0x1b5/0x7f6 [ 6592.326943][ T72] [ 6592.357287][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6592.357287][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.357287][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.357287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.357287][ T72] ip6_route_add+0x1c/0x140 [ 6592.357287][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6592.357287][ T72] inet6_addr_add+0x4f8/0xa40 [ 6592.357287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.357287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.357287][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.357287][ T72] netlink_unicast+0x449/0x710 [ 6592.357287][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.357287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.357287][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.357287][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.357287][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.357287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.357287][ T72] [ 6592.359526][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6592.359526][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.359526][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.359526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.359526][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6592.359526][ T72] ipv6_add_addr+0x411/0x2000 [ 6592.359526][ T72] inet6_addr_add+0x30e/0xa40 [ 6592.359526][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.359526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.359526][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.359526][ T72] netlink_unicast+0x449/0x710 [ 6592.359526][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.359526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.359526][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.359526][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.359526][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.359526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.359526][ T72] [ 6592.361739][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6592.361739][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.361739][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.361739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.361739][ T72] ip6_route_add+0x1c/0x140 [ 6592.361739][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6592.361739][ T72] addrconf_add_dev+0xe2/0x170 [ 6592.361739][ T72] inet6_addr_add+0x12f/0xa40 [ 6592.361739][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.361739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.361739][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.361739][ T72] netlink_unicast+0x449/0x710 [ 6592.361739][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.361739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.361739][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.361739][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.361739][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.361739][ T72] [ 6592.363921][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6592.363921][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6592.363921][ T72] ipv6_find_idev+0x102/0x170 [ 6592.363921][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.363921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.363921][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.363921][ T72] netlink_unicast+0x449/0x710 [ 6592.363921][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.363921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.363921][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.363921][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.363921][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.363921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.363921][ T72] [ 6592.365634][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6592.365634][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6592.365634][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6592.365634][ T72] ipv6_find_idev+0x102/0x170 [ 6592.365634][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.365634][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.365634][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.365634][ T72] netlink_unicast+0x449/0x710 [ 6592.365634][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.365634][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.365634][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.365634][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.365634][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.365634][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.365634][ T72] [ 6592.367499][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6592.367849][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6592.367849][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.367849][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.367849][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.367849][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6592.367849][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6592.367849][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6592.367849][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6592.367849][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6592.367849][ T72] addrconf_dad_begin+0x310/0x670 [ 6592.367849][ T72] addrconf_dad_work+0x10b/0xab0 [ 6592.367849][ T72] process_one_work+0x84d/0x18a0 [ 6592.367849][ T72] worker_thread+0x587/0xd30 [ 6592.367849][ T72] kthread+0x28a/0x350 [ 6592.367849][ T72] ret_from_fork+0x31/0x70 [ 6592.367849][ T72] ret_from_fork_asm+0x1a/0x30 [ 6592.367849][ T72] [ 6592.369974][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6592.369974][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.369974][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.369974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.369974][ T72] ip6_route_add+0x1c/0x140 [ 6592.369974][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6592.369974][ T72] inet6_addr_add+0x4f8/0xa40 [ 6592.369974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.369974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.369974][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.369974][ T72] netlink_unicast+0x449/0x710 [ 6592.369974][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.369974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.369974][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.369974][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.369974][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.369974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.369974][ T72] [ 6592.372195][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6592.372195][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.372195][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.372195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.372195][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6592.372195][ T72] ipv6_add_addr+0x411/0x2000 [ 6592.372195][ T72] inet6_addr_add+0x30e/0xa40 [ 6592.372195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.372195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.372195][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.372195][ T72] netlink_unicast+0x449/0x710 [ 6592.372195][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.372195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.372195][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.372195][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.372195][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.372195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.372195][ T72] [ 6592.374408][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6592.374408][ T72] netdev_get_by_index+0x5e/0x80 [ 6592.374408][ T72] fib6_nh_init+0x3d8/0x1580 [ 6592.374408][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6592.374408][ T72] ip6_route_add+0x1c/0x140 [ 6592.374408][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6592.374408][ T72] addrconf_add_dev+0xe2/0x170 [ 6592.374408][ T72] inet6_addr_add+0x12f/0xa40 [ 6592.374408][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.374408][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.374408][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.374408][ T72] netlink_unicast+0x449/0x710 [ 6592.374408][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.374408][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.374408][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.374408][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.374408][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.374408][ T72] [ 6592.376610][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6592.376610][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6592.376610][ T72] ipv6_find_idev+0x102/0x170 [ 6592.376610][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.376610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.376610][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.376610][ T72] netlink_unicast+0x449/0x710 [ 6592.376610][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.376610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.376610][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.376610][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.376610][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.376610][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.376610][ T72] [ 6592.378404][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6592.378404][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6592.378404][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6592.378404][ T72] ipv6_find_idev+0x102/0x170 [ 6592.378404][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.378404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.378404][ T72] netlink_rcv_skb+0x130/0x360 [ 6592.378404][ T72] netlink_unicast+0x449/0x710 [ 6592.378404][ T72] netlink_sendmsg+0x723/0xbe0 [ 6592.378404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6592.378404][ T72] ___sys_sendmsg+0xee/0x170 [ 6592.378404][ T72] __sys_sendmsg+0xcd/0x170 [ 6592.378404][ T72] do_syscall_64+0xc6/0x1e0 [ 6592.378404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.378404][ T72] [ 6602.408853][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6602.409276][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6602.409276][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6602.409276][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6602.409276][ T72] fib6_nh_init+0xa22/0x1580 [ 6602.409276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.409276][ T72] ip6_route_add+0x1c/0x140 [ 6602.409276][ T72] inet6_rtm_newroute+0x104/0x110 [ 6602.409276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.409276][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.409276][ T72] netlink_unicast+0x449/0x710 [ 6602.409276][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.409276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.409276][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.409276][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.409276][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.409276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.409276][ T72] [ 6602.411171][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6602.411171][ T72] dst_init+0x84/0x4a0 [ 6602.411171][ T72] dst_alloc+0x97/0x150 [ 6602.411171][ T72] ip6_dst_alloc+0x23/0x90 [ 6602.411171][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6602.411171][ T72] ip6_pol_route+0x56f/0x840 [ 6602.411171][ T72] fib6_rule_lookup+0x456/0x630 [ 6602.411171][ T72] ip6_route_input+0x59c/0xa50 [ 6602.411171][ T72] ipv6_rcv+0x397/0x810 [ 6602.411171][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6602.411171][ T72] process_backlog+0x101/0x620 [ 6602.411171][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6602.411171][ T72] net_rx_action+0x495/0xbe0 [ 6602.411171][ T72] __do_softirq+0x1b5/0x7f6 [ 6602.411171][ T72] [ 6602.413329][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6602.413329][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.413329][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.413329][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.413329][ T72] ip6_route_add+0x1c/0x140 [ 6602.413329][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6602.413329][ T72] inet6_addr_add+0x4f8/0xa40 [ 6602.413329][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.413329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.413329][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.413329][ T72] netlink_unicast+0x449/0x710 [ 6602.413329][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.413329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.413329][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.413329][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.413329][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.413329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.413329][ T72] [ 6602.415307][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6602.415307][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.415307][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.415307][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.415307][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6602.415307][ T72] ipv6_add_addr+0x411/0x2000 [ 6602.415307][ T72] inet6_addr_add+0x30e/0xa40 [ 6602.415307][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.415307][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.415307][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.415307][ T72] netlink_unicast+0x449/0x710 [ 6602.415307][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.415307][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.415307][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.415307][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.415307][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.415307][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.415307][ T72] [ 6602.417283][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6602.417283][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.417283][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.417283][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.417283][ T72] ip6_route_add+0x1c/0x140 [ 6602.417283][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6602.417283][ T72] addrconf_add_dev+0xe2/0x170 [ 6602.417283][ T72] inet6_addr_add+0x12f/0xa40 [ 6602.417283][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.417283][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.417283][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.417283][ T72] netlink_unicast+0x449/0x710 [ 6602.417283][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.417283][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.417283][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.417283][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.417283][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.417283][ T72] [ 6602.448321][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6602.448321][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6602.448321][ T72] ipv6_find_idev+0x102/0x170 [ 6602.448321][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6602.448321][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.448321][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.448321][ T72] netlink_unicast+0x449/0x710 [ 6602.448321][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.448321][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.448321][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.448321][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.448321][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.448321][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.448321][ T72] [ 6602.449859][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6602.449859][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6602.449859][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6602.449859][ T72] ipv6_find_idev+0x102/0x170 [ 6602.449859][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6602.449859][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.449859][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.449859][ T72] netlink_unicast+0x449/0x710 [ 6602.449859][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.449859][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.449859][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.449859][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.449859][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.449859][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.449859][ T72] [ 6602.451562][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6602.451848][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6602.451848][ T72] dst_init+0x84/0x4a0 [ 6602.451848][ T72] dst_alloc+0x97/0x150 [ 6602.451848][ T72] ip6_dst_alloc+0x23/0x90 [ 6602.451848][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6602.451848][ T72] ip6_pol_route+0x56f/0x840 [ 6602.451848][ T72] fib6_rule_lookup+0x456/0x630 [ 6602.451848][ T72] ip6_route_input+0x59c/0xa50 [ 6602.451848][ T72] ipv6_rcv+0x397/0x810 [ 6602.451848][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6602.451848][ T72] process_backlog+0x101/0x620 [ 6602.451848][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6602.451848][ T72] net_rx_action+0x495/0xbe0 [ 6602.451848][ T72] __do_softirq+0x1b5/0x7f6 [ 6602.451848][ T72] [ 6602.453482][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6602.453482][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.453482][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.453482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.453482][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6602.453482][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6602.453482][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6602.453482][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6602.453482][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6602.453482][ T72] addrconf_dad_begin+0x310/0x670 [ 6602.453482][ T72] addrconf_dad_work+0x10b/0xab0 [ 6602.453482][ T72] process_one_work+0x84d/0x18a0 [ 6602.453482][ T72] worker_thread+0x587/0xd30 [ 6602.453482][ T72] kthread+0x28a/0x350 [ 6602.453482][ T72] ret_from_fork+0x31/0x70 [ 6602.453482][ T72] ret_from_fork_asm+0x1a/0x30 [ 6602.453482][ T72] [ 6602.455391][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6602.455391][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.455391][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.455391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.455391][ T72] ip6_route_add+0x1c/0x140 [ 6602.455391][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6602.455391][ T72] inet6_addr_add+0x4f8/0xa40 [ 6602.455391][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.455391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.455391][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.455391][ T72] netlink_unicast+0x449/0x710 [ 6602.455391][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.455391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.455391][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.455391][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.455391][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.455391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.455391][ T72] [ 6602.457382][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6602.457382][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.457382][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.457382][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.457382][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6602.457382][ T72] ipv6_add_addr+0x411/0x2000 [ 6602.457382][ T72] inet6_addr_add+0x30e/0xa40 [ 6602.457382][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.457382][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.457382][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.457382][ T72] netlink_unicast+0x449/0x710 [ 6602.457382][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.457382][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.457382][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.457382][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.457382][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.457382][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.457382][ T72] [ 6602.459387][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6602.459387][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.459387][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.459387][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.459387][ T72] ip6_route_add+0x1c/0x140 [ 6602.459387][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6602.459387][ T72] addrconf_add_dev+0xe2/0x170 [ 6602.459387][ T72] inet6_addr_add+0x12f/0xa40 [ 6602.459387][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.459387][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.459387][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.459387][ T72] netlink_unicast+0x449/0x710 [ 6602.459387][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.459387][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.459387][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.459387][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.459387][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.459387][ T72] [ 6602.461339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6602.461339][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6602.461339][ T72] ipv6_find_idev+0x102/0x170 [ 6602.461339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6602.461339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.461339][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.461339][ T72] netlink_unicast+0x449/0x710 [ 6602.461339][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.461339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.461339][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.461339][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.461339][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.461339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.461339][ T72] [ 6602.462866][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6602.462866][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6602.462866][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6602.462866][ T72] ipv6_find_idev+0x102/0x170 [ 6602.462866][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6602.462866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.462866][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.462866][ T72] netlink_unicast+0x449/0x710 [ 6602.462866][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.462866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.462866][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.462866][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.462866][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.462866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.462866][ T72] [ 6602.464658][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6602.464940][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6602.464940][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6602.464940][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6602.464940][ T72] fib6_nh_init+0xa22/0x1580 [ 6602.464940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.464940][ T72] ip6_route_add+0x1c/0x140 [ 6602.464940][ T72] inet6_rtm_newroute+0x104/0x110 [ 6602.464940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.464940][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.464940][ T72] netlink_unicast+0x449/0x710 [ 6602.464940][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.464940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.464940][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.464940][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.464940][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.464940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.464940][ T72] [ 6602.467110][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6602.467110][ T72] dst_init+0x84/0x4a0 [ 6602.467110][ T72] dst_alloc+0x97/0x150 [ 6602.467110][ T72] ip6_dst_alloc+0x23/0x90 [ 6602.467110][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6602.467110][ T72] ip6_pol_route+0x56f/0x840 [ 6602.467110][ T72] fib6_rule_lookup+0x456/0x630 [ 6602.467110][ T72] ip6_route_input+0x59c/0xa50 [ 6602.467110][ T72] ipv6_rcv+0x397/0x810 [ 6602.467110][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6602.467110][ T72] process_backlog+0x101/0x620 [ 6602.467110][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6602.467110][ T72] net_rx_action+0x495/0xbe0 [ 6602.467110][ T72] __do_softirq+0x1b5/0x7f6 [ 6602.467110][ T72] [ 6602.468960][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6602.468960][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.468960][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.468960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.468960][ T72] ip6_route_add+0x1c/0x140 [ 6602.468960][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6602.468960][ T72] inet6_addr_add+0x4f8/0xa40 [ 6602.468960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.468960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.468960][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.468960][ T72] netlink_unicast+0x449/0x710 [ 6602.468960][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.468960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.468960][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.468960][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.468960][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.468960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.468960][ T72] [ 6602.471123][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6602.471123][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.471123][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.471123][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.471123][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6602.471123][ T72] ipv6_add_addr+0x411/0x2000 [ 6602.471123][ T72] inet6_addr_add+0x30e/0xa40 [ 6602.471123][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.471123][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.471123][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.471123][ T72] netlink_unicast+0x449/0x710 [ 6602.471123][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.471123][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.471123][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.471123][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.471123][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.471123][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.471123][ T72] [ 6602.473358][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6602.473358][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.473358][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.473358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.473358][ T72] ip6_route_add+0x1c/0x140 [ 6602.473358][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6602.473358][ T72] addrconf_add_dev+0xe2/0x170 [ 6602.473358][ T72] inet6_addr_add+0x12f/0xa40 [ 6602.473358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.473358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.473358][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.473358][ T72] netlink_unicast+0x449/0x710 [ 6602.473358][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.473358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.473358][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.473358][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.473358][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.473358][ T72] [ 6602.475617][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6602.475617][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6602.475617][ T72] ipv6_find_idev+0x102/0x170 [ 6602.475617][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6602.475617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.475617][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.475617][ T72] netlink_unicast+0x449/0x710 [ 6602.475617][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.475617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.475617][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.475617][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.475617][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.475617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.475617][ T72] [ 6602.477328][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6602.477328][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6602.477328][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6602.477328][ T72] ipv6_find_idev+0x102/0x170 [ 6602.477328][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6602.477328][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.477328][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.477328][ T72] netlink_unicast+0x449/0x710 [ 6602.477328][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.477328][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.477328][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.477328][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.477328][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.477328][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.477328][ T72] [ 6602.479218][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6602.479560][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6602.479560][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.479560][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.479560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.479560][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6602.479560][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6602.479560][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6602.479560][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6602.479560][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6602.479560][ T72] addrconf_dad_begin+0x310/0x670 [ 6602.479560][ T72] addrconf_dad_work+0x10b/0xab0 [ 6602.479560][ T72] process_one_work+0x84d/0x18a0 [ 6602.479560][ T72] worker_thread+0x587/0xd30 [ 6602.479560][ T72] kthread+0x28a/0x350 [ 6602.479560][ T72] ret_from_fork+0x31/0x70 [ 6602.479560][ T72] ret_from_fork_asm+0x1a/0x30 [ 6602.479560][ T72] [ 6602.510793][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6602.510793][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.510793][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.510793][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.510793][ T72] ip6_route_add+0x1c/0x140 [ 6602.510793][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6602.510793][ T72] inet6_addr_add+0x4f8/0xa40 [ 6602.510793][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.510793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.510793][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.510793][ T72] netlink_unicast+0x449/0x710 [ 6602.510793][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.510793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.510793][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.510793][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.510793][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.510793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.510793][ T72] [ 6602.513029][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6602.513029][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.513029][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.513029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.513029][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6602.513029][ T72] ipv6_add_addr+0x411/0x2000 [ 6602.513029][ T72] inet6_addr_add+0x30e/0xa40 [ 6602.513029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.513029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.513029][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.513029][ T72] netlink_unicast+0x449/0x710 [ 6602.513029][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.513029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.513029][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.513029][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.513029][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.513029][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.513029][ T72] [ 6602.515341][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6602.515341][ T72] netdev_get_by_index+0x5e/0x80 [ 6602.515341][ T72] fib6_nh_init+0x3d8/0x1580 [ 6602.515341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6602.515341][ T72] ip6_route_add+0x1c/0x140 [ 6602.515341][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6602.515341][ T72] addrconf_add_dev+0xe2/0x170 [ 6602.515341][ T72] inet6_addr_add+0x12f/0xa40 [ 6602.515341][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6602.515341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.515341][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.515341][ T72] netlink_unicast+0x449/0x710 [ 6602.515341][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.515341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.515341][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.515341][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.515341][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.515341][ T72] [ 6602.517547][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6602.517547][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6602.517547][ T72] ipv6_find_idev+0x102/0x170 [ 6602.517547][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6602.517547][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.517547][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.517547][ T72] netlink_unicast+0x449/0x710 [ 6602.517547][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.517547][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.517547][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.517547][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.517547][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.517547][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.517547][ T72] [ 6602.519265][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6602.519265][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6602.519265][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6602.519265][ T72] ipv6_find_idev+0x102/0x170 [ 6602.519265][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6602.519265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6602.519265][ T72] netlink_rcv_skb+0x130/0x360 [ 6602.519265][ T72] netlink_unicast+0x449/0x710 [ 6602.519265][ T72] netlink_sendmsg+0x723/0xbe0 [ 6602.519265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6602.519265][ T72] ___sys_sendmsg+0xee/0x170 [ 6602.519265][ T72] __sys_sendmsg+0xcd/0x170 [ 6602.519265][ T72] do_syscall_64+0xc6/0x1e0 [ 6602.519265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6602.519265][ T72] [ 6612.704905][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6612.705414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6612.705414][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6612.705414][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6612.705414][ T72] fib6_nh_init+0xa22/0x1580 [ 6612.705414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.705414][ T72] ip6_route_add+0x1c/0x140 [ 6612.705414][ T72] inet6_rtm_newroute+0x104/0x110 [ 6612.705414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.705414][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.705414][ T72] netlink_unicast+0x449/0x710 [ 6612.705414][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.705414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.705414][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.705414][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.705414][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.705414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.705414][ T72] [ 6612.707755][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6612.707755][ T72] dst_init+0x84/0x4a0 [ 6612.707755][ T72] dst_alloc+0x97/0x150 [ 6612.707755][ T72] ip6_dst_alloc+0x23/0x90 [ 6612.707755][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6612.707755][ T72] ip6_pol_route+0x56f/0x840 [ 6612.707755][ T72] fib6_rule_lookup+0x456/0x630 [ 6612.707755][ T72] ip6_route_input+0x59c/0xa50 [ 6612.707755][ T72] ipv6_rcv+0x397/0x810 [ 6612.707755][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6612.707755][ T72] process_backlog+0x101/0x620 [ 6612.707755][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6612.707755][ T72] net_rx_action+0x495/0xbe0 [ 6612.707755][ T72] __do_softirq+0x1b5/0x7f6 [ 6612.707755][ T72] [ 6612.709776][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6612.709776][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.709776][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.709776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.709776][ T72] ip6_route_add+0x1c/0x140 [ 6612.709776][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6612.709776][ T72] inet6_addr_add+0x4f8/0xa40 [ 6612.709776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.709776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.709776][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.709776][ T72] netlink_unicast+0x449/0x710 [ 6612.709776][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.709776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.709776][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.709776][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.709776][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.709776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.709776][ T72] [ 6612.712232][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6612.712232][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.712232][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.712232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.712232][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6612.712232][ T72] ipv6_add_addr+0x411/0x2000 [ 6612.712232][ T72] inet6_addr_add+0x30e/0xa40 [ 6612.712232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.712232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.712232][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.712232][ T72] netlink_unicast+0x449/0x710 [ 6612.712232][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.712232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.712232][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.712232][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.712232][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.712232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.712232][ T72] [ 6612.714674][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6612.714674][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.714674][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.714674][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.714674][ T72] ip6_route_add+0x1c/0x140 [ 6612.714674][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6612.714674][ T72] addrconf_add_dev+0xe2/0x170 [ 6612.714674][ T72] inet6_addr_add+0x12f/0xa40 [ 6612.714674][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.714674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.714674][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.714674][ T72] netlink_unicast+0x449/0x710 [ 6612.714674][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.714674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.714674][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.714674][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.714674][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.714674][ T72] [ 6612.717075][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6612.717075][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6612.717075][ T72] ipv6_find_idev+0x102/0x170 [ 6612.717075][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.717075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.717075][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.717075][ T72] netlink_unicast+0x449/0x710 [ 6612.717075][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.717075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.717075][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.717075][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.717075][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.717075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.717075][ T72] [ 6612.718974][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6612.718974][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6612.718974][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6612.718974][ T72] ipv6_find_idev+0x102/0x170 [ 6612.718974][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.718974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.718974][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.718974][ T72] netlink_unicast+0x449/0x710 [ 6612.718974][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.718974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.718974][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.718974][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.718974][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.718974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.718974][ T72] [ 6612.721041][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6612.721375][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6612.721375][ T72] dst_init+0x84/0x4a0 [ 6612.721375][ T72] dst_alloc+0x97/0x150 [ 6612.721375][ T72] ip6_dst_alloc+0x23/0x90 [ 6612.721375][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6612.721375][ T72] ip6_pol_route+0x56f/0x840 [ 6612.721375][ T72] fib6_rule_lookup+0x456/0x630 [ 6612.721375][ T72] ip6_route_input+0x59c/0xa50 [ 6612.721375][ T72] ipv6_rcv+0x397/0x810 [ 6612.721375][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6612.721375][ T72] process_backlog+0x101/0x620 [ 6612.721375][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6612.721375][ T72] net_rx_action+0x495/0xbe0 [ 6612.721375][ T72] __do_softirq+0x1b5/0x7f6 [ 6612.721375][ T72] [ 6612.723385][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6612.723385][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.723385][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.723385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.723385][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6612.723385][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6612.723385][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6612.723385][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6612.723385][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6612.723385][ T72] addrconf_dad_begin+0x310/0x670 [ 6612.723385][ T72] addrconf_dad_work+0x10b/0xab0 [ 6612.723385][ T72] process_one_work+0x84d/0x18a0 [ 6612.723385][ T72] worker_thread+0x587/0xd30 [ 6612.723385][ T72] kthread+0x28a/0x350 [ 6612.723385][ T72] ret_from_fork+0x31/0x70 [ 6612.723385][ T72] ret_from_fork_asm+0x1a/0x30 [ 6612.723385][ T72] [ 6612.725725][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6612.725725][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.725725][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.725725][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.725725][ T72] ip6_route_add+0x1c/0x140 [ 6612.725725][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6612.725725][ T72] inet6_addr_add+0x4f8/0xa40 [ 6612.725725][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.725725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.725725][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.725725][ T72] netlink_unicast+0x449/0x710 [ 6612.725725][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.725725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.725725][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.725725][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.725725][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.725725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.725725][ T72] [ 6612.728173][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6612.728173][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.728173][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.728173][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.728173][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6612.728173][ T72] ipv6_add_addr+0x411/0x2000 [ 6612.728173][ T72] inet6_addr_add+0x30e/0xa40 [ 6612.728173][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.728173][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.728173][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.728173][ T72] netlink_unicast+0x449/0x710 [ 6612.728173][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.728173][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.728173][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.728173][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.728173][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.728173][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.728173][ T72] [ 6612.730611][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6612.730611][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.730611][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.730611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.730611][ T72] ip6_route_add+0x1c/0x140 [ 6612.730611][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6612.730611][ T72] addrconf_add_dev+0xe2/0x170 [ 6612.730611][ T72] inet6_addr_add+0x12f/0xa40 [ 6612.730611][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.730611][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.730611][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.730611][ T72] netlink_unicast+0x449/0x710 [ 6612.730611][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.730611][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.730611][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.730611][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.730611][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.730611][ T72] [ 6612.733013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6612.733013][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6612.733013][ T72] ipv6_find_idev+0x102/0x170 [ 6612.733013][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.733013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.733013][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.733013][ T72] netlink_unicast+0x449/0x710 [ 6612.733013][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.733013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.733013][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.733013][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.733013][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.733013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.733013][ T72] [ 6612.734891][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6612.734891][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6612.734891][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6612.734891][ T72] ipv6_find_idev+0x102/0x170 [ 6612.734891][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.734891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.734891][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.734891][ T72] netlink_unicast+0x449/0x710 [ 6612.734891][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.734891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.734891][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.734891][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.734891][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.734891][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.734891][ T72] [ 6612.737001][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6612.737417][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6612.737417][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6612.737417][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6612.737417][ T72] fib6_nh_init+0xa22/0x1580 [ 6612.737417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.737417][ T72] ip6_route_add+0x1c/0x140 [ 6612.737417][ T72] inet6_rtm_newroute+0x104/0x110 [ 6612.737417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.737417][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.737417][ T72] netlink_unicast+0x449/0x710 [ 6612.737417][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.737417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.737417][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.737417][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.737417][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.737417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.737417][ T72] [ 6612.739894][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6612.739894][ T72] dst_init+0x84/0x4a0 [ 6612.739894][ T72] dst_alloc+0x97/0x150 [ 6612.739894][ T72] ip6_dst_alloc+0x23/0x90 [ 6612.739894][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6612.739894][ T72] ip6_pol_route+0x56f/0x840 [ 6612.739894][ T72] fib6_rule_lookup+0x456/0x630 [ 6612.739894][ T72] ip6_route_input+0x59c/0xa50 [ 6612.739894][ T72] ipv6_rcv+0x397/0x810 [ 6612.739894][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6612.739894][ T72] process_backlog+0x101/0x620 [ 6612.739894][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6612.739894][ T72] net_rx_action+0x495/0xbe0 [ 6612.739894][ T72] __do_softirq+0x1b5/0x7f6 [ 6612.739894][ T72] [ 6612.742070][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6612.742070][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.742070][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.742070][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.742070][ T72] ip6_route_add+0x1c/0x140 [ 6612.742070][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6612.742070][ T72] inet6_addr_add+0x4f8/0xa40 [ 6612.742070][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.742070][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.742070][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.742070][ T72] netlink_unicast+0x449/0x710 [ 6612.742070][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.742070][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.742070][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.742070][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.742070][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.742070][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.742070][ T72] [ 6612.744754][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6612.744754][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.744754][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.744754][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.744754][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6612.744754][ T72] ipv6_add_addr+0x411/0x2000 [ 6612.744754][ T72] inet6_addr_add+0x30e/0xa40 [ 6612.744754][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.744754][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.744754][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.744754][ T72] netlink_unicast+0x449/0x710 [ 6612.744754][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.744754][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.744754][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.744754][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.744754][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.744754][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.744754][ T72] [ 6612.747434][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6612.747434][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.747434][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.747434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.747434][ T72] ip6_route_add+0x1c/0x140 [ 6612.747434][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6612.747434][ T72] addrconf_add_dev+0xe2/0x170 [ 6612.747434][ T72] inet6_addr_add+0x12f/0xa40 [ 6612.747434][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.747434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.747434][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.747434][ T72] netlink_unicast+0x449/0x710 [ 6612.747434][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.747434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.747434][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.747434][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.747434][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.747434][ T72] [ 6612.750149][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6612.750149][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6612.750149][ T72] ipv6_find_idev+0x102/0x170 [ 6612.750149][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.750149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.750149][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.750149][ T72] netlink_unicast+0x449/0x710 [ 6612.750149][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.750149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.750149][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.750149][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.750149][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.750149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.750149][ T72] [ 6612.752210][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6612.752210][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6612.752210][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6612.752210][ T72] ipv6_find_idev+0x102/0x170 [ 6612.752210][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.752210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.752210][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.752210][ T72] netlink_unicast+0x449/0x710 [ 6612.752210][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.752210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.752210][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.752210][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.752210][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.752210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.752210][ T72] [ 6612.754453][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6612.754837][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6612.754837][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.754837][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.754837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.754837][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6612.754837][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6612.754837][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6612.754837][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6612.754837][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6612.754837][ T72] addrconf_dad_begin+0x310/0x670 [ 6612.754837][ T72] addrconf_dad_work+0x10b/0xab0 [ 6612.754837][ T72] process_one_work+0x84d/0x18a0 [ 6612.754837][ T72] worker_thread+0x587/0xd30 [ 6612.754837][ T72] kthread+0x28a/0x350 [ 6612.754837][ T72] ret_from_fork+0x31/0x70 [ 6612.754837][ T72] ret_from_fork_asm+0x1a/0x30 [ 6612.754837][ T72] [ 6612.757354][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6612.757354][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.757354][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.757354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.757354][ T72] ip6_route_add+0x1c/0x140 [ 6612.757354][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6612.757354][ T72] inet6_addr_add+0x4f8/0xa40 [ 6612.757354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.757354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.757354][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.757354][ T72] netlink_unicast+0x449/0x710 [ 6612.757354][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.757354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.757354][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.757354][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.757354][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.757354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.757354][ T72] [ 6612.760580][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6612.760580][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.760580][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.760580][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.760580][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6612.760580][ T72] ipv6_add_addr+0x411/0x2000 [ 6612.760580][ T72] inet6_addr_add+0x30e/0xa40 [ 6612.760580][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.760580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.760580][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.760580][ T72] netlink_unicast+0x449/0x710 [ 6612.760580][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.760580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.760580][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.760580][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.760580][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.760580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.760580][ T72] [ 6612.763324][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6612.763324][ T72] netdev_get_by_index+0x5e/0x80 [ 6612.763324][ T72] fib6_nh_init+0x3d8/0x1580 [ 6612.763324][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6612.763324][ T72] ip6_route_add+0x1c/0x140 [ 6612.763324][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6612.763324][ T72] addrconf_add_dev+0xe2/0x170 [ 6612.763324][ T72] inet6_addr_add+0x12f/0xa40 [ 6612.763324][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6612.763324][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.763324][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.763324][ T72] netlink_unicast+0x449/0x710 [ 6612.763324][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.763324][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.763324][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.763324][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.763324][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.763324][ T72] [ 6612.765968][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6612.765968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6612.765968][ T72] ipv6_find_idev+0x102/0x170 [ 6612.765968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.765968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.765968][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.765968][ T72] netlink_unicast+0x449/0x710 [ 6612.765968][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.765968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.765968][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.765968][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.765968][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.765968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.765968][ T72] [ 6612.768036][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6612.768036][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6612.768036][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6612.768036][ T72] ipv6_find_idev+0x102/0x170 [ 6612.768036][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6612.768036][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6612.768036][ T72] netlink_rcv_skb+0x130/0x360 [ 6612.768036][ T72] netlink_unicast+0x449/0x710 [ 6612.768036][ T72] netlink_sendmsg+0x723/0xbe0 [ 6612.768036][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6612.768036][ T72] ___sys_sendmsg+0xee/0x170 [ 6612.768036][ T72] __sys_sendmsg+0xcd/0x170 [ 6612.768036][ T72] do_syscall_64+0xc6/0x1e0 [ 6612.768036][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6612.768036][ T72] [ 6622.936931][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6622.937376][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6622.937376][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6622.937376][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6622.937376][ T72] fib6_nh_init+0xa22/0x1580 [ 6622.937376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.937376][ T72] ip6_route_add+0x1c/0x140 [ 6622.937376][ T72] inet6_rtm_newroute+0x104/0x110 [ 6622.937376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.937376][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.937376][ T72] netlink_unicast+0x449/0x710 [ 6622.937376][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.937376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.937376][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.937376][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.937376][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.937376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.937376][ T72] [ 6622.939335][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6622.939335][ T72] dst_init+0x84/0x4a0 [ 6622.939335][ T72] dst_alloc+0x97/0x150 [ 6622.939335][ T72] ip6_dst_alloc+0x23/0x90 [ 6622.939335][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6622.939335][ T72] ip6_pol_route+0x56f/0x840 [ 6622.939335][ T72] fib6_rule_lookup+0x456/0x630 [ 6622.939335][ T72] ip6_route_input+0x59c/0xa50 [ 6622.939335][ T72] ipv6_rcv+0x397/0x810 [ 6622.939335][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6622.939335][ T72] process_backlog+0x101/0x620 [ 6622.939335][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6622.939335][ T72] net_rx_action+0x495/0xbe0 [ 6622.939335][ T72] __do_softirq+0x1b5/0x7f6 [ 6622.939335][ T72] [ 6622.940994][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6622.940994][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.940994][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.940994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.940994][ T72] ip6_route_add+0x1c/0x140 [ 6622.940994][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6622.940994][ T72] inet6_addr_add+0x4f8/0xa40 [ 6622.940994][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.940994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.940994][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.940994][ T72] netlink_unicast+0x449/0x710 [ 6622.940994][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.940994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.940994][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.940994][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.940994][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.940994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.940994][ T72] [ 6622.943009][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6622.943009][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.943009][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.943009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.943009][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6622.943009][ T72] ipv6_add_addr+0x411/0x2000 [ 6622.943009][ T72] inet6_addr_add+0x30e/0xa40 [ 6622.943009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.943009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.943009][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.943009][ T72] netlink_unicast+0x449/0x710 [ 6622.943009][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.943009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.943009][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.943009][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.943009][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.943009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.943009][ T72] [ 6622.945017][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6622.945017][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.945017][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.945017][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.945017][ T72] ip6_route_add+0x1c/0x140 [ 6622.945017][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6622.945017][ T72] addrconf_add_dev+0xe2/0x170 [ 6622.945017][ T72] inet6_addr_add+0x12f/0xa40 [ 6622.945017][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.945017][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.945017][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.945017][ T72] netlink_unicast+0x449/0x710 [ 6622.945017][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.945017][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.945017][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.945017][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.945017][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.945017][ T72] [ 6622.946975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6622.946975][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6622.946975][ T72] ipv6_find_idev+0x102/0x170 [ 6622.946975][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.946975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.946975][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.946975][ T72] netlink_unicast+0x449/0x710 [ 6622.946975][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.946975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.946975][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.946975][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.946975][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.946975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.946975][ T72] [ 6622.948534][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6622.948534][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6622.948534][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6622.948534][ T72] ipv6_find_idev+0x102/0x170 [ 6622.948534][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.948534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.948534][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.948534][ T72] netlink_unicast+0x449/0x710 [ 6622.948534][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.948534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.948534][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.948534][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.948534][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.948534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.948534][ T72] [ 6622.950257][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6622.950609][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6622.950609][ T72] dst_init+0x84/0x4a0 [ 6622.950609][ T72] dst_alloc+0x97/0x150 [ 6622.950609][ T72] ip6_dst_alloc+0x23/0x90 [ 6622.950609][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6622.950609][ T72] ip6_pol_route+0x56f/0x840 [ 6622.950609][ T72] fib6_rule_lookup+0x456/0x630 [ 6622.950609][ T72] ip6_route_input+0x59c/0xa50 [ 6622.950609][ T72] ipv6_rcv+0x397/0x810 [ 6622.950609][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6622.950609][ T72] process_backlog+0x101/0x620 [ 6622.950609][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6622.950609][ T72] net_rx_action+0x495/0xbe0 [ 6622.950609][ T72] __do_softirq+0x1b5/0x7f6 [ 6622.950609][ T72] [ 6622.952611][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6622.952611][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.952611][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.952611][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.952611][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6622.952611][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6622.952611][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6622.952611][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6622.952611][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6622.952611][ T72] addrconf_dad_begin+0x310/0x670 [ 6622.952611][ T72] addrconf_dad_work+0x10b/0xab0 [ 6622.952611][ T72] process_one_work+0x84d/0x18a0 [ 6622.952611][ T72] worker_thread+0x587/0xd30 [ 6622.952611][ T72] kthread+0x28a/0x350 [ 6622.952611][ T72] ret_from_fork+0x31/0x70 [ 6622.952611][ T72] ret_from_fork_asm+0x1a/0x30 [ 6622.952611][ T72] [ 6622.954946][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6622.954946][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.954946][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.954946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.954946][ T72] ip6_route_add+0x1c/0x140 [ 6622.954946][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6622.954946][ T72] inet6_addr_add+0x4f8/0xa40 [ 6622.954946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.954946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.954946][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.954946][ T72] netlink_unicast+0x449/0x710 [ 6622.954946][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.954946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.954946][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.954946][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.954946][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.954946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.954946][ T72] [ 6622.957363][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6622.957363][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.957363][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.957363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.957363][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6622.957363][ T72] ipv6_add_addr+0x411/0x2000 [ 6622.957363][ T72] inet6_addr_add+0x30e/0xa40 [ 6622.957363][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.957363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.957363][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.957363][ T72] netlink_unicast+0x449/0x710 [ 6622.957363][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.957363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.957363][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.957363][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.957363][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.957363][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.957363][ T72] [ 6622.959820][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6622.959820][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.959820][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.959820][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.959820][ T72] ip6_route_add+0x1c/0x140 [ 6622.959820][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6622.959820][ T72] addrconf_add_dev+0xe2/0x170 [ 6622.959820][ T72] inet6_addr_add+0x12f/0xa40 [ 6622.959820][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.959820][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.959820][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.959820][ T72] netlink_unicast+0x449/0x710 [ 6622.959820][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.959820][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.959820][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.959820][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.959820][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.959820][ T72] [ 6622.962198][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6622.962198][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6622.962198][ T72] ipv6_find_idev+0x102/0x170 [ 6622.962198][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.962198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.962198][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.962198][ T72] netlink_unicast+0x449/0x710 [ 6622.962198][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.962198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.962198][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.962198][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.962198][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.962198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.962198][ T72] [ 6622.964061][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6622.964061][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6622.964061][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6622.964061][ T72] ipv6_find_idev+0x102/0x170 [ 6622.964061][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.964061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.964061][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.964061][ T72] netlink_unicast+0x449/0x710 [ 6622.964061][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.964061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.964061][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.964061][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.964061][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.964061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.964061][ T72] [ 6622.966231][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6622.966560][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6622.966560][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6622.966560][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6622.966560][ T72] fib6_nh_init+0xa22/0x1580 [ 6622.966560][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.966560][ T72] ip6_route_add+0x1c/0x140 [ 6622.966560][ T72] inet6_rtm_newroute+0x104/0x110 [ 6622.966560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.966560][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.966560][ T72] netlink_unicast+0x449/0x710 [ 6622.966560][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.966560][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.966560][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.966560][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.966560][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.966560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.966560][ T72] [ 6622.969084][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6622.969084][ T72] dst_init+0x84/0x4a0 [ 6622.969084][ T72] dst_alloc+0x97/0x150 [ 6622.969084][ T72] ip6_dst_alloc+0x23/0x90 [ 6622.969084][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6622.969084][ T72] ip6_pol_route+0x56f/0x840 [ 6622.969084][ T72] fib6_rule_lookup+0x456/0x630 [ 6622.969084][ T72] ip6_route_input+0x59c/0xa50 [ 6622.969084][ T72] ipv6_rcv+0x397/0x810 [ 6622.969084][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6622.969084][ T72] process_backlog+0x101/0x620 [ 6622.969084][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6622.969084][ T72] net_rx_action+0x495/0xbe0 [ 6622.969084][ T72] __do_softirq+0x1b5/0x7f6 [ 6622.969084][ T72] [ 6622.971309][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6622.971309][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.971309][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.971309][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.971309][ T72] ip6_route_add+0x1c/0x140 [ 6622.971309][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6622.971309][ T72] inet6_addr_add+0x4f8/0xa40 [ 6622.971309][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.971309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.971309][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.971309][ T72] netlink_unicast+0x449/0x710 [ 6622.971309][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.971309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.971309][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.971309][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.971309][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.971309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.971309][ T72] [ 6622.973916][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6622.973916][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.973916][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.973916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.973916][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6622.973916][ T72] ipv6_add_addr+0x411/0x2000 [ 6622.973916][ T72] inet6_addr_add+0x30e/0xa40 [ 6622.973916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.973916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.973916][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.973916][ T72] netlink_unicast+0x449/0x710 [ 6622.973916][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.973916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.973916][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.973916][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.973916][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.973916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.973916][ T72] [ 6622.976608][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6622.976608][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.976608][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.976608][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.976608][ T72] ip6_route_add+0x1c/0x140 [ 6622.976608][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6622.976608][ T72] addrconf_add_dev+0xe2/0x170 [ 6622.976608][ T72] inet6_addr_add+0x12f/0xa40 [ 6622.976608][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.976608][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.976608][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.976608][ T72] netlink_unicast+0x449/0x710 [ 6622.976608][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.976608][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.976608][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.976608][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.976608][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.976608][ T72] [ 6622.979314][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6622.979314][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6622.979314][ T72] ipv6_find_idev+0x102/0x170 [ 6622.979314][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.979314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.979314][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.979314][ T72] netlink_unicast+0x449/0x710 [ 6622.979314][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.979314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.979314][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.979314][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.979314][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.979314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.979314][ T72] [ 6622.981357][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6622.981357][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6622.981357][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6622.981357][ T72] ipv6_find_idev+0x102/0x170 [ 6622.981357][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.981357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.981357][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.981357][ T72] netlink_unicast+0x449/0x710 [ 6622.981357][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.981357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.981357][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.981357][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.981357][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.981357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.981357][ T72] [ 6622.983580][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6622.984435][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6622.984435][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.984435][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.984435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.984435][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6622.984435][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6622.984435][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6622.984435][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6622.984435][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6622.984435][ T72] addrconf_dad_begin+0x310/0x670 [ 6622.984435][ T72] addrconf_dad_work+0x10b/0xab0 [ 6622.984435][ T72] process_one_work+0x84d/0x18a0 [ 6622.984435][ T72] worker_thread+0x587/0xd30 [ 6622.984435][ T72] kthread+0x28a/0x350 [ 6622.984435][ T72] ret_from_fork+0x31/0x70 [ 6622.984435][ T72] ret_from_fork_asm+0x1a/0x30 [ 6622.984435][ T72] [ 6622.986767][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6622.986767][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.986767][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.986767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.986767][ T72] ip6_route_add+0x1c/0x140 [ 6622.986767][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6622.986767][ T72] inet6_addr_add+0x4f8/0xa40 [ 6622.986767][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.986767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.986767][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.986767][ T72] netlink_unicast+0x449/0x710 [ 6622.986767][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.986767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.986767][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.986767][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.986767][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.986767][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.986767][ T72] [ 6622.989279][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6622.989279][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.989279][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.989279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.989279][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6622.989279][ T72] ipv6_add_addr+0x411/0x2000 [ 6622.989279][ T72] inet6_addr_add+0x30e/0xa40 [ 6622.989279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.989279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.989279][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.989279][ T72] netlink_unicast+0x449/0x710 [ 6622.989279][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.989279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.989279][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.989279][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.989279][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.989279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.989279][ T72] [ 6622.992517][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6622.992517][ T72] netdev_get_by_index+0x5e/0x80 [ 6622.992517][ T72] fib6_nh_init+0x3d8/0x1580 [ 6622.992517][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6622.992517][ T72] ip6_route_add+0x1c/0x140 [ 6622.992517][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6622.992517][ T72] addrconf_add_dev+0xe2/0x170 [ 6622.992517][ T72] inet6_addr_add+0x12f/0xa40 [ 6622.992517][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6622.992517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.992517][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.992517][ T72] netlink_unicast+0x449/0x710 [ 6622.992517][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.992517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.992517][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.992517][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.992517][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.992517][ T72] [ 6622.995209][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6622.995209][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6622.995209][ T72] ipv6_find_idev+0x102/0x170 [ 6622.995209][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.995209][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.995209][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.995209][ T72] netlink_unicast+0x449/0x710 [ 6622.995209][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.995209][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.995209][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.995209][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.995209][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.995209][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.995209][ T72] [ 6622.997262][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6622.997262][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6622.997262][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6622.997262][ T72] ipv6_find_idev+0x102/0x170 [ 6622.997262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6622.997262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6622.997262][ T72] netlink_rcv_skb+0x130/0x360 [ 6622.997262][ T72] netlink_unicast+0x449/0x710 [ 6622.997262][ T72] netlink_sendmsg+0x723/0xbe0 [ 6622.997262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6622.997262][ T72] ___sys_sendmsg+0xee/0x170 [ 6622.997262][ T72] __sys_sendmsg+0xcd/0x170 [ 6622.997262][ T72] do_syscall_64+0xc6/0x1e0 [ 6622.997262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6622.997262][ T72] [ 6633.248924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6633.249455][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6633.249455][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6633.249455][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6633.249455][ T72] fib6_nh_init+0xa22/0x1580 [ 6633.249455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.249455][ T72] ip6_route_add+0x1c/0x140 [ 6633.249455][ T72] inet6_rtm_newroute+0x104/0x110 [ 6633.249455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.249455][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.249455][ T72] netlink_unicast+0x449/0x710 [ 6633.249455][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.249455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.249455][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.249455][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.249455][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.249455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.249455][ T72] [ 6633.251681][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6633.251681][ T72] dst_init+0x84/0x4a0 [ 6633.251681][ T72] dst_alloc+0x97/0x150 [ 6633.251681][ T72] ip6_dst_alloc+0x23/0x90 [ 6633.251681][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6633.251681][ T72] ip6_pol_route+0x56f/0x840 [ 6633.251681][ T72] fib6_rule_lookup+0x456/0x630 [ 6633.251681][ T72] ip6_route_input+0x59c/0xa50 [ 6633.251681][ T72] ipv6_rcv+0x397/0x810 [ 6633.251681][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6633.251681][ T72] process_backlog+0x101/0x620 [ 6633.251681][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6633.251681][ T72] net_rx_action+0x495/0xbe0 [ 6633.251681][ T72] __do_softirq+0x1b5/0x7f6 [ 6633.251681][ T72] [ 6633.253585][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6633.253585][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.253585][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.253585][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.253585][ T72] ip6_route_add+0x1c/0x140 [ 6633.253585][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6633.253585][ T72] inet6_addr_add+0x4f8/0xa40 [ 6633.253585][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.253585][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.253585][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.253585][ T72] netlink_unicast+0x449/0x710 [ 6633.253585][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.253585][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.253585][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.253585][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.253585][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.253585][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.253585][ T72] [ 6633.255926][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6633.255926][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.255926][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.255926][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.255926][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6633.255926][ T72] ipv6_add_addr+0x411/0x2000 [ 6633.255926][ T72] inet6_addr_add+0x30e/0xa40 [ 6633.255926][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.255926][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.255926][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.255926][ T72] netlink_unicast+0x449/0x710 [ 6633.255926][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.255926][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.255926][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.255926][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.255926][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.255926][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.255926][ T72] [ 6633.258227][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6633.258227][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.258227][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.258227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.258227][ T72] ip6_route_add+0x1c/0x140 [ 6633.258227][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6633.258227][ T72] addrconf_add_dev+0xe2/0x170 [ 6633.258227][ T72] inet6_addr_add+0x12f/0xa40 [ 6633.258227][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.258227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.258227][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.258227][ T72] netlink_unicast+0x449/0x710 [ 6633.258227][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.258227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.258227][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.258227][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.258227][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.258227][ T72] [ 6633.260514][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6633.260514][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6633.260514][ T72] ipv6_find_idev+0x102/0x170 [ 6633.260514][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6633.260514][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.260514][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.260514][ T72] netlink_unicast+0x449/0x710 [ 6633.260514][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.260514][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.260514][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.260514][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.260514][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.260514][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.260514][ T72] [ 6633.262300][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6633.262300][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6633.262300][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6633.262300][ T72] ipv6_find_idev+0x102/0x170 [ 6633.262300][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6633.262300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.262300][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.262300][ T72] netlink_unicast+0x449/0x710 [ 6633.262300][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.262300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.262300][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.262300][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.262300][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.262300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.262300][ T72] [ 6633.264177][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6633.264472][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6633.264472][ T72] dst_init+0x84/0x4a0 [ 6633.264472][ T72] dst_alloc+0x97/0x150 [ 6633.264472][ T72] ip6_dst_alloc+0x23/0x90 [ 6633.264472][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6633.264472][ T72] ip6_pol_route+0x56f/0x840 [ 6633.264472][ T72] fib6_rule_lookup+0x456/0x630 [ 6633.264472][ T72] ip6_route_input+0x59c/0xa50 [ 6633.264472][ T72] ipv6_rcv+0x397/0x810 [ 6633.264472][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6633.264472][ T72] process_backlog+0x101/0x620 [ 6633.264472][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6633.264472][ T72] net_rx_action+0x495/0xbe0 [ 6633.264472][ T72] __do_softirq+0x1b5/0x7f6 [ 6633.264472][ T72] [ 6633.266287][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6633.266287][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.266287][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.266287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.266287][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6633.266287][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6633.266287][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6633.266287][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6633.266287][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6633.266287][ T72] addrconf_dad_begin+0x310/0x670 [ 6633.266287][ T72] addrconf_dad_work+0x10b/0xab0 [ 6633.266287][ T72] process_one_work+0x84d/0x18a0 [ 6633.266287][ T72] worker_thread+0x587/0xd30 [ 6633.266287][ T72] kthread+0x28a/0x350 [ 6633.266287][ T72] ret_from_fork+0x31/0x70 [ 6633.266287][ T72] ret_from_fork_asm+0x1a/0x30 [ 6633.266287][ T72] [ 6633.268505][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6633.268505][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.268505][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.268505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.268505][ T72] ip6_route_add+0x1c/0x140 [ 6633.268505][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6633.268505][ T72] inet6_addr_add+0x4f8/0xa40 [ 6633.268505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.268505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.268505][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.268505][ T72] netlink_unicast+0x449/0x710 [ 6633.268505][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.268505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.268505][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.268505][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.268505][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.268505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.268505][ T72] [ 6633.270825][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6633.270825][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.270825][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.270825][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.270825][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6633.270825][ T72] ipv6_add_addr+0x411/0x2000 [ 6633.270825][ T72] inet6_addr_add+0x30e/0xa40 [ 6633.270825][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.270825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.270825][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.270825][ T72] netlink_unicast+0x449/0x710 [ 6633.270825][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.270825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.270825][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.270825][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.270825][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.270825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.270825][ T72] [ 6633.273151][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6633.273151][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.273151][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.273151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.273151][ T72] ip6_route_add+0x1c/0x140 [ 6633.273151][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6633.273151][ T72] addrconf_add_dev+0xe2/0x170 [ 6633.273151][ T72] inet6_addr_add+0x12f/0xa40 [ 6633.273151][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.273151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.273151][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.273151][ T72] netlink_unicast+0x449/0x710 [ 6633.273151][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.273151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.273151][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.273151][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.273151][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.273151][ T72] [ 6633.275448][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6633.275448][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6633.275448][ T72] ipv6_find_idev+0x102/0x170 [ 6633.275448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6633.275448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.275448][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.275448][ T72] netlink_unicast+0x449/0x710 [ 6633.275448][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.275448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.275448][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.275448][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.275448][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.275448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.275448][ T72] [ 6633.277228][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6633.277228][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6633.277228][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6633.277228][ T72] ipv6_find_idev+0x102/0x170 [ 6633.277228][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6633.277228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.277228][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.277228][ T72] netlink_unicast+0x449/0x710 [ 6633.277228][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.277228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.277228][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.277228][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.277228][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.277228][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.277228][ T72] [ 6633.279263][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6633.279641][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6633.279641][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6633.279641][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6633.279641][ T72] fib6_nh_init+0xa22/0x1580 [ 6633.279641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.279641][ T72] ip6_route_add+0x1c/0x140 [ 6633.279641][ T72] inet6_rtm_newroute+0x104/0x110 [ 6633.279641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.279641][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.279641][ T72] netlink_unicast+0x449/0x710 [ 6633.279641][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.279641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.279641][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.279641][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.279641][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.279641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.279641][ T72] [ 6633.281957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6633.281957][ T72] dst_init+0x84/0x4a0 [ 6633.281957][ T72] dst_alloc+0x97/0x150 [ 6633.281957][ T72] ip6_dst_alloc+0x23/0x90 [ 6633.281957][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6633.281957][ T72] ip6_pol_route+0x56f/0x840 [ 6633.281957][ T72] fib6_rule_lookup+0x456/0x630 [ 6633.281957][ T72] ip6_route_input+0x59c/0xa50 [ 6633.281957][ T72] ipv6_rcv+0x397/0x810 [ 6633.281957][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6633.281957][ T72] process_backlog+0x101/0x620 [ 6633.281957][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6633.281957][ T72] net_rx_action+0x495/0xbe0 [ 6633.281957][ T72] __do_softirq+0x1b5/0x7f6 [ 6633.281957][ T72] [ 6633.283940][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6633.283940][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.283940][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.283940][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.283940][ T72] ip6_route_add+0x1c/0x140 [ 6633.283940][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6633.283940][ T72] inet6_addr_add+0x4f8/0xa40 [ 6633.283940][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.283940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.283940][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.283940][ T72] netlink_unicast+0x449/0x710 [ 6633.283940][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.283940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.283940][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.283940][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.283940][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.283940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.283940][ T72] [ 6633.286516][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6633.286516][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.286516][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.286516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.286516][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6633.286516][ T72] ipv6_add_addr+0x411/0x2000 [ 6633.286516][ T72] inet6_addr_add+0x30e/0xa40 [ 6633.286516][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.286516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.286516][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.286516][ T72] netlink_unicast+0x449/0x710 [ 6633.286516][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.286516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.286516][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.286516][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.286516][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.286516][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.286516][ T72] [ 6633.289108][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6633.289108][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.289108][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.289108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.289108][ T72] ip6_route_add+0x1c/0x140 [ 6633.289108][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6633.289108][ T72] addrconf_add_dev+0xe2/0x170 [ 6633.289108][ T72] inet6_addr_add+0x12f/0xa40 [ 6633.289108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.289108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.289108][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.289108][ T72] netlink_unicast+0x449/0x710 [ 6633.289108][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.289108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.289108][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.289108][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.289108][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.289108][ T72] [ 6633.291675][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6633.291675][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6633.291675][ T72] ipv6_find_idev+0x102/0x170 [ 6633.291675][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6633.291675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.291675][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.291675][ T72] netlink_unicast+0x449/0x710 [ 6633.291675][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.291675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.291675][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.291675][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.291675][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.291675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.291675][ T72] [ 6633.293597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6633.293597][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6633.293597][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6633.293597][ T72] ipv6_find_idev+0x102/0x170 [ 6633.293597][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6633.293597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.293597][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.293597][ T72] netlink_unicast+0x449/0x710 [ 6633.293597][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.293597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.293597][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.293597][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.293597][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.293597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.293597][ T72] [ 6633.295761][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6633.296664][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6633.296664][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.296664][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.296664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.296664][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6633.296664][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6633.296664][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6633.296664][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6633.296664][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6633.296664][ T72] addrconf_dad_begin+0x310/0x670 [ 6633.296664][ T72] addrconf_dad_work+0x10b/0xab0 [ 6633.296664][ T72] process_one_work+0x84d/0x18a0 [ 6633.296664][ T72] worker_thread+0x587/0xd30 [ 6633.296664][ T72] kthread+0x28a/0x350 [ 6633.296664][ T72] ret_from_fork+0x31/0x70 [ 6633.296664][ T72] ret_from_fork_asm+0x1a/0x30 [ 6633.296664][ T72] [ 6633.298885][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6633.298885][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.298885][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.298885][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.298885][ T72] ip6_route_add+0x1c/0x140 [ 6633.298885][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6633.298885][ T72] inet6_addr_add+0x4f8/0xa40 [ 6633.298885][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.298885][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.298885][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.298885][ T72] netlink_unicast+0x449/0x710 [ 6633.298885][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.298885][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.298885][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.298885][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.298885][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.298885][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.298885][ T72] [ 6633.301267][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6633.301267][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.301267][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.301267][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.301267][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6633.301267][ T72] ipv6_add_addr+0x411/0x2000 [ 6633.301267][ T72] inet6_addr_add+0x30e/0xa40 [ 6633.301267][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.301267][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.301267][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.301267][ T72] netlink_unicast+0x449/0x710 [ 6633.301267][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.301267][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.301267][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.301267][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.301267][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.301267][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.301267][ T72] [ 6633.303732][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6633.303732][ T72] netdev_get_by_index+0x5e/0x80 [ 6633.303732][ T72] fib6_nh_init+0x3d8/0x1580 [ 6633.303732][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6633.303732][ T72] ip6_route_add+0x1c/0x140 [ 6633.303732][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6633.303732][ T72] addrconf_add_dev+0xe2/0x170 [ 6633.303732][ T72] inet6_addr_add+0x12f/0xa40 [ 6633.303732][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.303732][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.303732][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.303732][ T72] netlink_unicast+0x449/0x710 [ 6633.303732][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.303732][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.303732][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.303732][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.303732][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.303732][ T72] [ 6633.306195][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6633.306195][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6633.306195][ T72] ipv6_find_idev+0x102/0x170 [ 6633.306195][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6633.306195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.306195][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.306195][ T72] netlink_unicast+0x449/0x710 [ 6633.306195][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.306195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.306195][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.306195][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.306195][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.306195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.306195][ T72] [ 6633.308168][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6633.308168][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6633.308168][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6633.308168][ T72] ipv6_find_idev+0x102/0x170 [ 6633.308168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6633.308168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.308168][ T72] netlink_rcv_skb+0x130/0x360 [ 6633.308168][ T72] netlink_unicast+0x449/0x710 [ 6633.308168][ T72] netlink_sendmsg+0x723/0xbe0 [ 6633.308168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6633.308168][ T72] ___sys_sendmsg+0xee/0x170 [ 6633.308168][ T72] __sys_sendmsg+0xcd/0x170 [ 6633.308168][ T72] do_syscall_64+0xc6/0x1e0 [ 6633.308168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.308168][ T72] [ 6643.408923][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6643.409415][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6643.409415][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6643.409415][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6643.409415][ T72] fib6_nh_init+0xa22/0x1580 [ 6643.409415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.409415][ T72] ip6_route_add+0x1c/0x140 [ 6643.409415][ T72] inet6_rtm_newroute+0x104/0x110 [ 6643.409415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.409415][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.409415][ T72] netlink_unicast+0x449/0x710 [ 6643.409415][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.409415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.409415][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.409415][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.409415][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.409415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.409415][ T72] [ 6643.411313][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6643.411313][ T72] dst_init+0x84/0x4a0 [ 6643.411313][ T72] dst_alloc+0x97/0x150 [ 6643.411313][ T72] ip6_dst_alloc+0x23/0x90 [ 6643.411313][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6643.411313][ T72] ip6_pol_route+0x56f/0x840 [ 6643.411313][ T72] fib6_rule_lookup+0x456/0x630 [ 6643.411313][ T72] ip6_route_input+0x59c/0xa50 [ 6643.411313][ T72] ipv6_rcv+0x397/0x810 [ 6643.411313][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6643.411313][ T72] process_backlog+0x101/0x620 [ 6643.411313][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6643.411313][ T72] net_rx_action+0x495/0xbe0 [ 6643.411313][ T72] __do_softirq+0x1b5/0x7f6 [ 6643.411313][ T72] [ 6643.412942][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6643.412942][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.412942][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.412942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.412942][ T72] ip6_route_add+0x1c/0x140 [ 6643.412942][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6643.412942][ T72] inet6_addr_add+0x4f8/0xa40 [ 6643.412942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.412942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.412942][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.412942][ T72] netlink_unicast+0x449/0x710 [ 6643.412942][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.412942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.412942][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.412942][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.412942][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.412942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.412942][ T72] [ 6643.414946][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6643.414946][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.414946][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.414946][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.414946][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6643.414946][ T72] ipv6_add_addr+0x411/0x2000 [ 6643.414946][ T72] inet6_addr_add+0x30e/0xa40 [ 6643.414946][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.414946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.414946][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.414946][ T72] netlink_unicast+0x449/0x710 [ 6643.414946][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.414946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.414946][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.414946][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.414946][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.414946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.414946][ T72] [ 6643.416948][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6643.416948][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.416948][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.416948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.416948][ T72] ip6_route_add+0x1c/0x140 [ 6643.416948][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6643.416948][ T72] addrconf_add_dev+0xe2/0x170 [ 6643.416948][ T72] inet6_addr_add+0x12f/0xa40 [ 6643.416948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.416948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.416948][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.416948][ T72] netlink_unicast+0x449/0x710 [ 6643.416948][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.416948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.416948][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.416948][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.416948][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.416948][ T72] [ 6643.418904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6643.418904][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6643.418904][ T72] ipv6_find_idev+0x102/0x170 [ 6643.418904][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6643.418904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.418904][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.418904][ T72] netlink_unicast+0x449/0x710 [ 6643.418904][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.418904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.418904][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.418904][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.418904][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.418904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.418904][ T72] [ 6643.420428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6643.420428][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6643.420428][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6643.420428][ T72] ipv6_find_idev+0x102/0x170 [ 6643.420428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6643.420428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.420428][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.420428][ T72] netlink_unicast+0x449/0x710 [ 6643.420428][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.420428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.420428][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.420428][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.420428][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.420428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.420428][ T72] [ 6643.422119][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6643.422390][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6643.422390][ T72] dst_init+0x84/0x4a0 [ 6643.422390][ T72] dst_alloc+0x97/0x150 [ 6643.422390][ T72] ip6_dst_alloc+0x23/0x90 [ 6643.422390][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6643.422390][ T72] ip6_pol_route+0x56f/0x840 [ 6643.422390][ T72] fib6_rule_lookup+0x456/0x630 [ 6643.422390][ T72] ip6_route_input+0x59c/0xa50 [ 6643.422390][ T72] ipv6_rcv+0x397/0x810 [ 6643.422390][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6643.422390][ T72] process_backlog+0x101/0x620 [ 6643.422390][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6643.422390][ T72] net_rx_action+0x495/0xbe0 [ 6643.422390][ T72] __do_softirq+0x1b5/0x7f6 [ 6643.422390][ T72] [ 6643.424036][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6643.424036][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.424036][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.424036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.424036][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6643.424036][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6643.424036][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6643.424036][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6643.424036][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6643.424036][ T72] addrconf_dad_begin+0x310/0x670 [ 6643.424036][ T72] addrconf_dad_work+0x10b/0xab0 [ 6643.424036][ T72] process_one_work+0x84d/0x18a0 [ 6643.424036][ T72] worker_thread+0x587/0xd30 [ 6643.424036][ T72] kthread+0x28a/0x350 [ 6643.424036][ T72] ret_from_fork+0x31/0x70 [ 6643.424036][ T72] ret_from_fork_asm+0x1a/0x30 [ 6643.424036][ T72] [ 6643.425944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6643.425944][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.425944][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.425944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.425944][ T72] ip6_route_add+0x1c/0x140 [ 6643.425944][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6643.425944][ T72] inet6_addr_add+0x4f8/0xa40 [ 6643.425944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.425944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.425944][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.425944][ T72] netlink_unicast+0x449/0x710 [ 6643.425944][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.425944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.425944][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.425944][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.425944][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.425944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.425944][ T72] [ 6643.427974][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6643.427974][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.427974][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.427974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.427974][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6643.427974][ T72] ipv6_add_addr+0x411/0x2000 [ 6643.427974][ T72] inet6_addr_add+0x30e/0xa40 [ 6643.427974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.427974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.427974][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.427974][ T72] netlink_unicast+0x449/0x710 [ 6643.427974][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.427974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.427974][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.427974][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.427974][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.427974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.427974][ T72] [ 6643.429966][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6643.429966][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.429966][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.429966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.429966][ T72] ip6_route_add+0x1c/0x140 [ 6643.429966][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6643.429966][ T72] addrconf_add_dev+0xe2/0x170 [ 6643.429966][ T72] inet6_addr_add+0x12f/0xa40 [ 6643.429966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.429966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.429966][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.429966][ T72] netlink_unicast+0x449/0x710 [ 6643.429966][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.429966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.429966][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.429966][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.429966][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.429966][ T72] [ 6643.431918][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6643.431918][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6643.431918][ T72] ipv6_find_idev+0x102/0x170 [ 6643.431918][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6643.431918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.431918][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.431918][ T72] netlink_unicast+0x449/0x710 [ 6643.431918][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.431918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.431918][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.431918][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.431918][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.431918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.431918][ T72] [ 6643.433448][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6643.433448][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6643.433448][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6643.433448][ T72] ipv6_find_idev+0x102/0x170 [ 6643.433448][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6643.433448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.433448][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.433448][ T72] netlink_unicast+0x449/0x710 [ 6643.433448][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.433448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.433448][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.433448][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.433448][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.433448][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.433448][ T72] [ 6643.435179][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6643.435441][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6643.435441][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6643.435441][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6643.435441][ T72] fib6_nh_init+0xa22/0x1580 [ 6643.435441][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.435441][ T72] ip6_route_add+0x1c/0x140 [ 6643.435441][ T72] inet6_rtm_newroute+0x104/0x110 [ 6643.435441][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.435441][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.435441][ T72] netlink_unicast+0x449/0x710 [ 6643.435441][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.435441][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.435441][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.435441][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.435441][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.435441][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.435441][ T72] [ 6643.437515][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6643.437515][ T72] dst_init+0x84/0x4a0 [ 6643.437515][ T72] dst_alloc+0x97/0x150 [ 6643.437515][ T72] ip6_dst_alloc+0x23/0x90 [ 6643.437515][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6643.437515][ T72] ip6_pol_route+0x56f/0x840 [ 6643.437515][ T72] fib6_rule_lookup+0x456/0x630 [ 6643.437515][ T72] ip6_route_input+0x59c/0xa50 [ 6643.437515][ T72] ipv6_rcv+0x397/0x810 [ 6643.437515][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6643.437515][ T72] process_backlog+0x101/0x620 [ 6643.437515][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6643.437515][ T72] net_rx_action+0x495/0xbe0 [ 6643.437515][ T72] __do_softirq+0x1b5/0x7f6 [ 6643.437515][ T72] [ 6643.439206][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6643.439206][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.439206][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.439206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.439206][ T72] ip6_route_add+0x1c/0x140 [ 6643.439206][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6643.439206][ T72] inet6_addr_add+0x4f8/0xa40 [ 6643.439206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.439206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.439206][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.439206][ T72] netlink_unicast+0x449/0x710 [ 6643.439206][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.439206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.439206][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.439206][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.439206][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.439206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.439206][ T72] [ 6643.441342][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6643.441342][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.441342][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.441342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.441342][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6643.441342][ T72] ipv6_add_addr+0x411/0x2000 [ 6643.441342][ T72] inet6_addr_add+0x30e/0xa40 [ 6643.441342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.441342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.441342][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.441342][ T72] netlink_unicast+0x449/0x710 [ 6643.441342][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.441342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.441342][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.441342][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.441342][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.441342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.441342][ T72] [ 6643.443390][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6643.443390][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.443390][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.443390][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.443390][ T72] ip6_route_add+0x1c/0x140 [ 6643.443390][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6643.443390][ T72] addrconf_add_dev+0xe2/0x170 [ 6643.443390][ T72] inet6_addr_add+0x12f/0xa40 [ 6643.443390][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.443390][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.443390][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.443390][ T72] netlink_unicast+0x449/0x710 [ 6643.443390][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.443390][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.443390][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.443390][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.443390][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.443390][ T72] [ 6643.445543][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6643.445543][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6643.445543][ T72] ipv6_find_idev+0x102/0x170 [ 6643.445543][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6643.445543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.445543][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.445543][ T72] netlink_unicast+0x449/0x710 [ 6643.445543][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.445543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.445543][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.445543][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.445543][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.445543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.445543][ T72] [ 6643.447137][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6643.447137][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6643.447137][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6643.447137][ T72] ipv6_find_idev+0x102/0x170 [ 6643.447137][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6643.447137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.447137][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.447137][ T72] netlink_unicast+0x449/0x710 [ 6643.447137][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.447137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.447137][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.447137][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.447137][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.447137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.447137][ T72] [ 6643.448945][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6643.449215][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6643.449215][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.449215][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.449215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.449215][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6643.449215][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6643.449215][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6643.449215][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6643.449215][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6643.449215][ T72] addrconf_dad_begin+0x310/0x670 [ 6643.449215][ T72] addrconf_dad_work+0x10b/0xab0 [ 6643.449215][ T72] process_one_work+0x84d/0x18a0 [ 6643.449215][ T72] worker_thread+0x587/0xd30 [ 6643.449215][ T72] kthread+0x28a/0x350 [ 6643.449215][ T72] ret_from_fork+0x31/0x70 [ 6643.449215][ T72] ret_from_fork_asm+0x1a/0x30 [ 6643.449215][ T72] [ 6643.451776][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6643.451776][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.451776][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.451776][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.451776][ T72] ip6_route_add+0x1c/0x140 [ 6643.451776][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6643.451776][ T72] inet6_addr_add+0x4f8/0xa40 [ 6643.451776][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.451776][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.451776][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.451776][ T72] netlink_unicast+0x449/0x710 [ 6643.451776][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.451776][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.451776][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.451776][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.451776][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.451776][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.451776][ T72] [ 6643.453889][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6643.453889][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.453889][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.453889][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.453889][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6643.453889][ T72] ipv6_add_addr+0x411/0x2000 [ 6643.453889][ T72] inet6_addr_add+0x30e/0xa40 [ 6643.453889][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.453889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.453889][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.453889][ T72] netlink_unicast+0x449/0x710 [ 6643.453889][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.453889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.453889][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.453889][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.453889][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.453889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.453889][ T72] [ 6643.456083][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6643.456083][ T72] netdev_get_by_index+0x5e/0x80 [ 6643.456083][ T72] fib6_nh_init+0x3d8/0x1580 [ 6643.456083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6643.456083][ T72] ip6_route_add+0x1c/0x140 [ 6643.456083][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6643.456083][ T72] addrconf_add_dev+0xe2/0x170 [ 6643.456083][ T72] inet6_addr_add+0x12f/0xa40 [ 6643.456083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6643.456083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.456083][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.456083][ T72] netlink_unicast+0x449/0x710 [ 6643.456083][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.456083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.456083][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.456083][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.456083][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.456083][ T72] [ 6643.458191][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6643.458191][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6643.458191][ T72] ipv6_find_idev+0x102/0x170 [ 6643.458191][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6643.458191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.458191][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.458191][ T72] netlink_unicast+0x449/0x710 [ 6643.458191][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.458191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.458191][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.458191][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.458191][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.458191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.458191][ T72] [ 6643.459788][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6643.459788][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6643.459788][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6643.459788][ T72] ipv6_find_idev+0x102/0x170 [ 6643.459788][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6643.459788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6643.459788][ T72] netlink_rcv_skb+0x130/0x360 [ 6643.459788][ T72] netlink_unicast+0x449/0x710 [ 6643.459788][ T72] netlink_sendmsg+0x723/0xbe0 [ 6643.459788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6643.459788][ T72] ___sys_sendmsg+0xee/0x170 [ 6643.459788][ T72] __sys_sendmsg+0xcd/0x170 [ 6643.459788][ T72] do_syscall_64+0xc6/0x1e0 [ 6643.459788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6643.459788][ T72] [ 6653.696945][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6653.697388][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6653.697388][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6653.697388][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6653.697388][ T72] fib6_nh_init+0xa22/0x1580 [ 6653.697388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.697388][ T72] ip6_route_add+0x1c/0x140 [ 6653.697388][ T72] inet6_rtm_newroute+0x104/0x110 [ 6653.697388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.697388][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.697388][ T72] netlink_unicast+0x449/0x710 [ 6653.697388][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.697388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.697388][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.697388][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.697388][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.697388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.697388][ T72] [ 6653.699280][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6653.699280][ T72] dst_init+0x84/0x4a0 [ 6653.699280][ T72] dst_alloc+0x97/0x150 [ 6653.699280][ T72] ip6_dst_alloc+0x23/0x90 [ 6653.699280][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6653.699280][ T72] ip6_pol_route+0x56f/0x840 [ 6653.699280][ T72] fib6_rule_lookup+0x456/0x630 [ 6653.699280][ T72] ip6_route_input+0x59c/0xa50 [ 6653.699280][ T72] ipv6_rcv+0x397/0x810 [ 6653.699280][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6653.699280][ T72] process_backlog+0x101/0x620 [ 6653.699280][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6653.699280][ T72] net_rx_action+0x495/0xbe0 [ 6653.699280][ T72] __do_softirq+0x1b5/0x7f6 [ 6653.699280][ T72] [ 6653.700909][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6653.700909][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.700909][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.700909][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.700909][ T72] ip6_route_add+0x1c/0x140 [ 6653.700909][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6653.700909][ T72] inet6_addr_add+0x4f8/0xa40 [ 6653.700909][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.700909][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.700909][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.700909][ T72] netlink_unicast+0x449/0x710 [ 6653.700909][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.700909][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.700909][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.700909][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.700909][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.700909][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.700909][ T72] [ 6653.702905][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6653.702905][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.702905][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.702905][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.702905][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6653.702905][ T72] ipv6_add_addr+0x411/0x2000 [ 6653.702905][ T72] inet6_addr_add+0x30e/0xa40 [ 6653.702905][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.702905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.702905][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.702905][ T72] netlink_unicast+0x449/0x710 [ 6653.702905][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.702905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.702905][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.702905][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.702905][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.702905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.702905][ T72] [ 6653.704894][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6653.704894][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.704894][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.704894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.704894][ T72] ip6_route_add+0x1c/0x140 [ 6653.704894][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6653.704894][ T72] addrconf_add_dev+0xe2/0x170 [ 6653.704894][ T72] inet6_addr_add+0x12f/0xa40 [ 6653.704894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.704894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.704894][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.704894][ T72] netlink_unicast+0x449/0x710 [ 6653.704894][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.704894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.704894][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.704894][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.704894][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.704894][ T72] [ 6653.706838][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6653.706838][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6653.706838][ T72] ipv6_find_idev+0x102/0x170 [ 6653.706838][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.706838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.706838][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.706838][ T72] netlink_unicast+0x449/0x710 [ 6653.706838][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.706838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.706838][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.706838][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.706838][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.706838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.706838][ T72] [ 6653.708369][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6653.708369][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6653.708369][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6653.708369][ T72] ipv6_find_idev+0x102/0x170 [ 6653.708369][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.708369][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.708369][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.708369][ T72] netlink_unicast+0x449/0x710 [ 6653.708369][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.708369][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.708369][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.708369][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.708369][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.708369][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.708369][ T72] [ 6653.710061][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6653.710336][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6653.710336][ T72] dst_init+0x84/0x4a0 [ 6653.710336][ T72] dst_alloc+0x97/0x150 [ 6653.710336][ T72] ip6_dst_alloc+0x23/0x90 [ 6653.710336][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6653.710336][ T72] ip6_pol_route+0x56f/0x840 [ 6653.710336][ T72] fib6_rule_lookup+0x456/0x630 [ 6653.710336][ T72] ip6_route_input+0x59c/0xa50 [ 6653.710336][ T72] ipv6_rcv+0x397/0x810 [ 6653.710336][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6653.710336][ T72] process_backlog+0x101/0x620 [ 6653.710336][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6653.710336][ T72] net_rx_action+0x495/0xbe0 [ 6653.710336][ T72] __do_softirq+0x1b5/0x7f6 [ 6653.710336][ T72] [ 6653.711968][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6653.711968][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.711968][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.711968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.711968][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6653.711968][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6653.711968][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6653.711968][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6653.711968][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6653.711968][ T72] addrconf_dad_begin+0x310/0x670 [ 6653.711968][ T72] addrconf_dad_work+0x10b/0xab0 [ 6653.711968][ T72] process_one_work+0x84d/0x18a0 [ 6653.711968][ T72] worker_thread+0x587/0xd30 [ 6653.711968][ T72] kthread+0x28a/0x350 [ 6653.711968][ T72] ret_from_fork+0x31/0x70 [ 6653.711968][ T72] ret_from_fork_asm+0x1a/0x30 [ 6653.711968][ T72] [ 6653.713865][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6653.713865][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.713865][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.713865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.713865][ T72] ip6_route_add+0x1c/0x140 [ 6653.713865][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6653.713865][ T72] inet6_addr_add+0x4f8/0xa40 [ 6653.713865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.713865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.713865][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.713865][ T72] netlink_unicast+0x449/0x710 [ 6653.713865][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.713865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.713865][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.713865][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.713865][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.713865][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.713865][ T72] [ 6653.715842][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6653.715842][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.715842][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.715842][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.715842][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6653.715842][ T72] ipv6_add_addr+0x411/0x2000 [ 6653.715842][ T72] inet6_addr_add+0x30e/0xa40 [ 6653.715842][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.715842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.715842][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.715842][ T72] netlink_unicast+0x449/0x710 [ 6653.715842][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.715842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.715842][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.715842][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.715842][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.715842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.715842][ T72] [ 6653.717829][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6653.717829][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.717829][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.717829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.717829][ T72] ip6_route_add+0x1c/0x140 [ 6653.717829][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6653.717829][ T72] addrconf_add_dev+0xe2/0x170 [ 6653.717829][ T72] inet6_addr_add+0x12f/0xa40 [ 6653.717829][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.717829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.717829][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.717829][ T72] netlink_unicast+0x449/0x710 [ 6653.717829][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.717829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.717829][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.717829][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.717829][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.717829][ T72] [ 6653.719772][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6653.719772][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6653.719772][ T72] ipv6_find_idev+0x102/0x170 [ 6653.719772][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.719772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.719772][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.719772][ T72] netlink_unicast+0x449/0x710 [ 6653.719772][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.719772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.719772][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.719772][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.719772][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.719772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.719772][ T72] [ 6653.721293][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6653.721293][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6653.721293][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6653.721293][ T72] ipv6_find_idev+0x102/0x170 [ 6653.721293][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.721293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.721293][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.721293][ T72] netlink_unicast+0x449/0x710 [ 6653.721293][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.721293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.721293][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.721293][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.721293][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.721293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.721293][ T72] [ 6653.723059][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6653.723327][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6653.723327][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6653.723327][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6653.723327][ T72] fib6_nh_init+0xa22/0x1580 [ 6653.723327][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.723327][ T72] ip6_route_add+0x1c/0x140 [ 6653.723327][ T72] inet6_rtm_newroute+0x104/0x110 [ 6653.723327][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.723327][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.723327][ T72] netlink_unicast+0x449/0x710 [ 6653.723327][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.723327][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.723327][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.723327][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.723327][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.723327][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.723327][ T72] [ 6653.725426][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6653.725426][ T72] dst_init+0x84/0x4a0 [ 6653.725426][ T72] dst_alloc+0x97/0x150 [ 6653.725426][ T72] ip6_dst_alloc+0x23/0x90 [ 6653.725426][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6653.725426][ T72] ip6_pol_route+0x56f/0x840 [ 6653.725426][ T72] fib6_rule_lookup+0x456/0x630 [ 6653.725426][ T72] ip6_route_input+0x59c/0xa50 [ 6653.725426][ T72] ipv6_rcv+0x397/0x810 [ 6653.725426][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6653.725426][ T72] process_backlog+0x101/0x620 [ 6653.725426][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6653.725426][ T72] net_rx_action+0x495/0xbe0 [ 6653.725426][ T72] __do_softirq+0x1b5/0x7f6 [ 6653.725426][ T72] [ 6653.727241][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6653.727241][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.727241][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.727241][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.727241][ T72] ip6_route_add+0x1c/0x140 [ 6653.727241][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6653.727241][ T72] inet6_addr_add+0x4f8/0xa40 [ 6653.727241][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.727241][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.727241][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.727241][ T72] netlink_unicast+0x449/0x710 [ 6653.727241][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.727241][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.727241][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.727241][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.727241][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.727241][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.727241][ T72] [ 6653.729490][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6653.729490][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.729490][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.729490][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.729490][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6653.729490][ T72] ipv6_add_addr+0x411/0x2000 [ 6653.729490][ T72] inet6_addr_add+0x30e/0xa40 [ 6653.729490][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.729490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.729490][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.729490][ T72] netlink_unicast+0x449/0x710 [ 6653.729490][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.729490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.729490][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.729490][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.729490][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.729490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.729490][ T72] [ 6653.731710][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6653.731710][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.731710][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.731710][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.731710][ T72] ip6_route_add+0x1c/0x140 [ 6653.731710][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6653.731710][ T72] addrconf_add_dev+0xe2/0x170 [ 6653.731710][ T72] inet6_addr_add+0x12f/0xa40 [ 6653.731710][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.731710][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.731710][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.731710][ T72] netlink_unicast+0x449/0x710 [ 6653.731710][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.731710][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.731710][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.731710][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.731710][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.731710][ T72] [ 6653.733895][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6653.733895][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6653.733895][ T72] ipv6_find_idev+0x102/0x170 [ 6653.733895][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.733895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.733895][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.733895][ T72] netlink_unicast+0x449/0x710 [ 6653.733895][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.733895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.733895][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.733895][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.733895][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.733895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.733895][ T72] [ 6653.735597][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6653.735597][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6653.735597][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6653.735597][ T72] ipv6_find_idev+0x102/0x170 [ 6653.735597][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.735597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.735597][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.735597][ T72] netlink_unicast+0x449/0x710 [ 6653.735597][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.735597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.735597][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.735597][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.735597][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.735597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.735597][ T72] [ 6653.737451][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6653.737844][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6653.737844][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.737844][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.737844][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.737844][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6653.737844][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6653.737844][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6653.737844][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6653.737844][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6653.737844][ T72] addrconf_dad_begin+0x310/0x670 [ 6653.737844][ T72] addrconf_dad_work+0x10b/0xab0 [ 6653.737844][ T72] process_one_work+0x84d/0x18a0 [ 6653.737844][ T72] worker_thread+0x587/0xd30 [ 6653.737844][ T72] kthread+0x28a/0x350 [ 6653.737844][ T72] ret_from_fork+0x31/0x70 [ 6653.737844][ T72] ret_from_fork_asm+0x1a/0x30 [ 6653.737844][ T72] [ 6653.739916][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6653.739916][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.739916][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.739916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.739916][ T72] ip6_route_add+0x1c/0x140 [ 6653.739916][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6653.739916][ T72] inet6_addr_add+0x4f8/0xa40 [ 6653.739916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.739916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.739916][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.739916][ T72] netlink_unicast+0x449/0x710 [ 6653.739916][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.739916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.739916][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.739916][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.739916][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.739916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.739916][ T72] [ 6653.742137][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6653.742137][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.742137][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.742137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.742137][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6653.742137][ T72] ipv6_add_addr+0x411/0x2000 [ 6653.742137][ T72] inet6_addr_add+0x30e/0xa40 [ 6653.742137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.742137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.742137][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.742137][ T72] netlink_unicast+0x449/0x710 [ 6653.742137][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.742137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.742137][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.742137][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.742137][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.742137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.742137][ T72] [ 6653.744361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6653.744361][ T72] netdev_get_by_index+0x5e/0x80 [ 6653.744361][ T72] fib6_nh_init+0x3d8/0x1580 [ 6653.744361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6653.744361][ T72] ip6_route_add+0x1c/0x140 [ 6653.744361][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6653.744361][ T72] addrconf_add_dev+0xe2/0x170 [ 6653.744361][ T72] inet6_addr_add+0x12f/0xa40 [ 6653.744361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6653.744361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.744361][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.744361][ T72] netlink_unicast+0x449/0x710 [ 6653.744361][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.744361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.744361][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.744361][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.744361][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.744361][ T72] [ 6653.746548][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6653.746548][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6653.746548][ T72] ipv6_find_idev+0x102/0x170 [ 6653.746548][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.746548][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.746548][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.746548][ T72] netlink_unicast+0x449/0x710 [ 6653.746548][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.746548][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.746548][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.746548][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.746548][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.746548][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.746548][ T72] [ 6653.748327][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6653.748327][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6653.748327][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6653.748327][ T72] ipv6_find_idev+0x102/0x170 [ 6653.748327][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6653.748327][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6653.748327][ T72] netlink_rcv_skb+0x130/0x360 [ 6653.748327][ T72] netlink_unicast+0x449/0x710 [ 6653.748327][ T72] netlink_sendmsg+0x723/0xbe0 [ 6653.748327][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6653.748327][ T72] ___sys_sendmsg+0xee/0x170 [ 6653.748327][ T72] __sys_sendmsg+0xcd/0x170 [ 6653.748327][ T72] do_syscall_64+0xc6/0x1e0 [ 6653.748327][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6653.748327][ T72] [ 6663.864973][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6663.865975][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6663.865975][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6663.865975][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6663.865975][ T72] fib6_nh_init+0xa22/0x1580 [ 6663.865975][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.865975][ T72] ip6_route_add+0x1c/0x140 [ 6663.865975][ T72] inet6_rtm_newroute+0x104/0x110 [ 6663.865975][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.865975][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.865975][ T72] netlink_unicast+0x449/0x710 [ 6663.865975][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.865975][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.865975][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.865975][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.865975][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.865975][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.865975][ T72] [ 6663.867870][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6663.867870][ T72] dst_init+0x84/0x4a0 [ 6663.867870][ T72] dst_alloc+0x97/0x150 [ 6663.867870][ T72] ip6_dst_alloc+0x23/0x90 [ 6663.867870][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6663.867870][ T72] ip6_pol_route+0x56f/0x840 [ 6663.867870][ T72] fib6_rule_lookup+0x456/0x630 [ 6663.867870][ T72] ip6_route_input+0x59c/0xa50 [ 6663.867870][ T72] ipv6_rcv+0x397/0x810 [ 6663.867870][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6663.867870][ T72] process_backlog+0x101/0x620 [ 6663.867870][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6663.867870][ T72] net_rx_action+0x495/0xbe0 [ 6663.867870][ T72] __do_softirq+0x1b5/0x7f6 [ 6663.867870][ T72] [ 6663.869442][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6663.869442][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.869442][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.869442][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.869442][ T72] ip6_route_add+0x1c/0x140 [ 6663.869442][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6663.869442][ T72] inet6_addr_add+0x4f8/0xa40 [ 6663.869442][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.869442][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.869442][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.869442][ T72] netlink_unicast+0x449/0x710 [ 6663.869442][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.869442][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.869442][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.869442][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.869442][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.869442][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.869442][ T72] [ 6663.871364][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6663.871364][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.871364][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.871364][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.871364][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6663.871364][ T72] ipv6_add_addr+0x411/0x2000 [ 6663.871364][ T72] inet6_addr_add+0x30e/0xa40 [ 6663.871364][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.871364][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.871364][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.871364][ T72] netlink_unicast+0x449/0x710 [ 6663.871364][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.871364][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.871364][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.871364][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.871364][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.871364][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.871364][ T72] [ 6663.873266][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6663.873266][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.873266][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.873266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.873266][ T72] ip6_route_add+0x1c/0x140 [ 6663.873266][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6663.873266][ T72] addrconf_add_dev+0xe2/0x170 [ 6663.873266][ T72] inet6_addr_add+0x12f/0xa40 [ 6663.873266][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.873266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.873266][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.873266][ T72] netlink_unicast+0x449/0x710 [ 6663.873266][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.873266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.873266][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.873266][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.873266][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.873266][ T72] [ 6663.875152][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6663.875152][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6663.875152][ T72] ipv6_find_idev+0x102/0x170 [ 6663.875152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.875152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.875152][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.875152][ T72] netlink_unicast+0x449/0x710 [ 6663.875152][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.875152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.875152][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.875152][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.875152][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.875152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.875152][ T72] [ 6663.876637][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6663.876637][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6663.876637][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6663.876637][ T72] ipv6_find_idev+0x102/0x170 [ 6663.876637][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.876637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.876637][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.876637][ T72] netlink_unicast+0x449/0x710 [ 6663.876637][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.876637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.876637][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.876637][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.876637][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.876637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.876637][ T72] [ 6663.878335][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6663.878617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6663.878617][ T72] dst_init+0x84/0x4a0 [ 6663.878617][ T72] dst_alloc+0x97/0x150 [ 6663.878617][ T72] ip6_dst_alloc+0x23/0x90 [ 6663.878617][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6663.878617][ T72] ip6_pol_route+0x56f/0x840 [ 6663.878617][ T72] fib6_rule_lookup+0x456/0x630 [ 6663.878617][ T72] ip6_route_input+0x59c/0xa50 [ 6663.878617][ T72] ipv6_rcv+0x397/0x810 [ 6663.878617][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6663.878617][ T72] process_backlog+0x101/0x620 [ 6663.878617][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6663.878617][ T72] net_rx_action+0x495/0xbe0 [ 6663.878617][ T72] __do_softirq+0x1b5/0x7f6 [ 6663.878617][ T72] [ 6663.880225][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6663.880225][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.880225][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.880225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.880225][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6663.880225][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6663.880225][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6663.880225][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6663.880225][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6663.880225][ T72] addrconf_dad_begin+0x310/0x670 [ 6663.880225][ T72] addrconf_dad_work+0x10b/0xab0 [ 6663.880225][ T72] process_one_work+0x84d/0x18a0 [ 6663.880225][ T72] worker_thread+0x587/0xd30 [ 6663.880225][ T72] kthread+0x28a/0x350 [ 6663.880225][ T72] ret_from_fork+0x31/0x70 [ 6663.880225][ T72] ret_from_fork_asm+0x1a/0x30 [ 6663.880225][ T72] [ 6663.882105][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6663.882105][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.882105][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.882105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.882105][ T72] ip6_route_add+0x1c/0x140 [ 6663.882105][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6663.882105][ T72] inet6_addr_add+0x4f8/0xa40 [ 6663.882105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.882105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.882105][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.882105][ T72] netlink_unicast+0x449/0x710 [ 6663.882105][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.882105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.882105][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.882105][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.882105][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.882105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.882105][ T72] [ 6663.884172][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6663.884172][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.884172][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.884172][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.884172][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6663.884172][ T72] ipv6_add_addr+0x411/0x2000 [ 6663.884172][ T72] inet6_addr_add+0x30e/0xa40 [ 6663.884172][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.884172][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.884172][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.884172][ T72] netlink_unicast+0x449/0x710 [ 6663.884172][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.884172][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.884172][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.884172][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.884172][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.884172][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.884172][ T72] [ 6663.886210][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6663.886210][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.886210][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.886210][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.886210][ T72] ip6_route_add+0x1c/0x140 [ 6663.886210][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6663.886210][ T72] addrconf_add_dev+0xe2/0x170 [ 6663.886210][ T72] inet6_addr_add+0x12f/0xa40 [ 6663.886210][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.886210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.886210][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.886210][ T72] netlink_unicast+0x449/0x710 [ 6663.886210][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.886210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.886210][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.886210][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.886210][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.886210][ T72] [ 6663.888185][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6663.888185][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6663.888185][ T72] ipv6_find_idev+0x102/0x170 [ 6663.888185][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.888185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.888185][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.888185][ T72] netlink_unicast+0x449/0x710 [ 6663.888185][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.888185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.888185][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.888185][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.888185][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.888185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.888185][ T72] [ 6663.889718][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6663.889718][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6663.889718][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6663.889718][ T72] ipv6_find_idev+0x102/0x170 [ 6663.889718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.889718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.889718][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.889718][ T72] netlink_unicast+0x449/0x710 [ 6663.889718][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.889718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.889718][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.889718][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.889718][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.889718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.889718][ T72] [ 6663.891519][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6663.891815][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6663.891815][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6663.891815][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6663.891815][ T72] fib6_nh_init+0xa22/0x1580 [ 6663.891815][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.891815][ T72] ip6_route_add+0x1c/0x140 [ 6663.891815][ T72] inet6_rtm_newroute+0x104/0x110 [ 6663.891815][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.891815][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.891815][ T72] netlink_unicast+0x449/0x710 [ 6663.891815][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.891815][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.891815][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.891815][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.891815][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.891815][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.891815][ T72] [ 6663.893950][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6663.893950][ T72] dst_init+0x84/0x4a0 [ 6663.893950][ T72] dst_alloc+0x97/0x150 [ 6663.893950][ T72] ip6_dst_alloc+0x23/0x90 [ 6663.893950][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6663.893950][ T72] ip6_pol_route+0x56f/0x840 [ 6663.893950][ T72] fib6_rule_lookup+0x456/0x630 [ 6663.893950][ T72] ip6_route_input+0x59c/0xa50 [ 6663.893950][ T72] ipv6_rcv+0x397/0x810 [ 6663.893950][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6663.893950][ T72] process_backlog+0x101/0x620 [ 6663.893950][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6663.893950][ T72] net_rx_action+0x495/0xbe0 [ 6663.893950][ T72] __do_softirq+0x1b5/0x7f6 [ 6663.893950][ T72] [ 6663.895844][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6663.895844][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.895844][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.895844][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.895844][ T72] ip6_route_add+0x1c/0x140 [ 6663.895844][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6663.895844][ T72] inet6_addr_add+0x4f8/0xa40 [ 6663.895844][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.895844][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.895844][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.895844][ T72] netlink_unicast+0x449/0x710 [ 6663.895844][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.895844][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.895844][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.895844][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.895844][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.895844][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.895844][ T72] [ 6663.898047][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6663.898047][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.898047][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.898047][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.898047][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6663.898047][ T72] ipv6_add_addr+0x411/0x2000 [ 6663.898047][ T72] inet6_addr_add+0x30e/0xa40 [ 6663.898047][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.898047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.898047][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.898047][ T72] netlink_unicast+0x449/0x710 [ 6663.898047][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.898047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.898047][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.898047][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.898047][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.898047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.898047][ T72] [ 6663.900326][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6663.900326][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.900326][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.900326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.900326][ T72] ip6_route_add+0x1c/0x140 [ 6663.900326][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6663.900326][ T72] addrconf_add_dev+0xe2/0x170 [ 6663.900326][ T72] inet6_addr_add+0x12f/0xa40 [ 6663.900326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.900326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.900326][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.900326][ T72] netlink_unicast+0x449/0x710 [ 6663.900326][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.900326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.900326][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.900326][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.900326][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.900326][ T72] [ 6663.902602][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6663.902602][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6663.902602][ T72] ipv6_find_idev+0x102/0x170 [ 6663.902602][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.902602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.902602][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.902602][ T72] netlink_unicast+0x449/0x710 [ 6663.902602][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.902602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.902602][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.902602][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.902602][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.902602][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.902602][ T72] [ 6663.904303][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6663.904303][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6663.904303][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6663.904303][ T72] ipv6_find_idev+0x102/0x170 [ 6663.904303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.904303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.904303][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.904303][ T72] netlink_unicast+0x449/0x710 [ 6663.904303][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.904303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.904303][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.904303][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.904303][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.904303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.904303][ T72] [ 6663.906181][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6663.906521][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6663.906521][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.906521][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.906521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.906521][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6663.906521][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6663.906521][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6663.906521][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6663.906521][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6663.906521][ T72] addrconf_dad_begin+0x310/0x670 [ 6663.906521][ T72] addrconf_dad_work+0x10b/0xab0 [ 6663.906521][ T72] process_one_work+0x84d/0x18a0 [ 6663.906521][ T72] worker_thread+0x587/0xd30 [ 6663.906521][ T72] kthread+0x28a/0x350 [ 6663.906521][ T72] ret_from_fork+0x31/0x70 [ 6663.906521][ T72] ret_from_fork_asm+0x1a/0x30 [ 6663.906521][ T72] [ 6663.908645][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6663.908645][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.908645][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.908645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.908645][ T72] ip6_route_add+0x1c/0x140 [ 6663.908645][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6663.908645][ T72] inet6_addr_add+0x4f8/0xa40 [ 6663.908645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.908645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.908645][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.908645][ T72] netlink_unicast+0x449/0x710 [ 6663.908645][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.908645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.908645][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.908645][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.908645][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.908645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.908645][ T72] [ 6663.910898][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6663.910898][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.910898][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.910898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.910898][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6663.910898][ T72] ipv6_add_addr+0x411/0x2000 [ 6663.910898][ T72] inet6_addr_add+0x30e/0xa40 [ 6663.910898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.910898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.910898][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.910898][ T72] netlink_unicast+0x449/0x710 [ 6663.910898][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.910898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.910898][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.910898][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.910898][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.910898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.910898][ T72] [ 6663.913190][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6663.913190][ T72] netdev_get_by_index+0x5e/0x80 [ 6663.913190][ T72] fib6_nh_init+0x3d8/0x1580 [ 6663.913190][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6663.913190][ T72] ip6_route_add+0x1c/0x140 [ 6663.913190][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6663.913190][ T72] addrconf_add_dev+0xe2/0x170 [ 6663.913190][ T72] inet6_addr_add+0x12f/0xa40 [ 6663.913190][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6663.913190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.913190][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.913190][ T72] netlink_unicast+0x449/0x710 [ 6663.913190][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.913190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.913190][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.913190][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.913190][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.913190][ T72] [ 6663.915421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6663.915421][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6663.915421][ T72] ipv6_find_idev+0x102/0x170 [ 6663.915421][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.915421][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.915421][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.915421][ T72] netlink_unicast+0x449/0x710 [ 6663.915421][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.915421][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.915421][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.915421][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.915421][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.915421][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.915421][ T72] [ 6663.917120][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6663.917120][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6663.917120][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6663.917120][ T72] ipv6_find_idev+0x102/0x170 [ 6663.917120][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6663.917120][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6663.917120][ T72] netlink_rcv_skb+0x130/0x360 [ 6663.917120][ T72] netlink_unicast+0x449/0x710 [ 6663.917120][ T72] netlink_sendmsg+0x723/0xbe0 [ 6663.917120][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6663.917120][ T72] ___sys_sendmsg+0xee/0x170 [ 6663.917120][ T72] __sys_sendmsg+0xcd/0x170 [ 6663.917120][ T72] do_syscall_64+0xc6/0x1e0 [ 6663.917120][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6663.917120][ T72] [ 6674.160989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6674.161641][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6674.161641][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6674.161641][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6674.161641][ T72] fib6_nh_init+0xa22/0x1580 [ 6674.161641][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.161641][ T72] ip6_route_add+0x1c/0x140 [ 6674.161641][ T72] inet6_rtm_newroute+0x104/0x110 [ 6674.161641][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.161641][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.161641][ T72] netlink_unicast+0x449/0x710 [ 6674.161641][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.161641][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.161641][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.161641][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.161641][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.161641][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.161641][ T72] [ 6674.163482][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6674.163482][ T72] dst_init+0x84/0x4a0 [ 6674.163482][ T72] dst_alloc+0x97/0x150 [ 6674.163482][ T72] ip6_dst_alloc+0x23/0x90 [ 6674.163482][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6674.163482][ T72] ip6_pol_route+0x56f/0x840 [ 6674.163482][ T72] fib6_rule_lookup+0x456/0x630 [ 6674.163482][ T72] ip6_route_input+0x59c/0xa50 [ 6674.163482][ T72] ipv6_rcv+0x397/0x810 [ 6674.163482][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6674.163482][ T72] process_backlog+0x101/0x620 [ 6674.163482][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6674.163482][ T72] net_rx_action+0x495/0xbe0 [ 6674.163482][ T72] __do_softirq+0x1b5/0x7f6 [ 6674.163482][ T72] [ 6674.165074][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6674.165074][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.165074][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.165074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.165074][ T72] ip6_route_add+0x1c/0x140 [ 6674.165074][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6674.165074][ T72] inet6_addr_add+0x4f8/0xa40 [ 6674.165074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.165074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.165074][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.165074][ T72] netlink_unicast+0x449/0x710 [ 6674.165074][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.165074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.165074][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.165074][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.165074][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.165074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.165074][ T72] [ 6674.167067][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6674.167067][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.167067][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.167067][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.167067][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6674.167067][ T72] ipv6_add_addr+0x411/0x2000 [ 6674.167067][ T72] inet6_addr_add+0x30e/0xa40 [ 6674.167067][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.167067][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.167067][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.167067][ T72] netlink_unicast+0x449/0x710 [ 6674.167067][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.167067][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.167067][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.167067][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.167067][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.167067][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.167067][ T72] [ 6674.169093][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6674.169093][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.169093][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.169093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.169093][ T72] ip6_route_add+0x1c/0x140 [ 6674.169093][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6674.169093][ T72] addrconf_add_dev+0xe2/0x170 [ 6674.169093][ T72] inet6_addr_add+0x12f/0xa40 [ 6674.169093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.169093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.169093][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.169093][ T72] netlink_unicast+0x449/0x710 [ 6674.169093][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.169093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.169093][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.169093][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.169093][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.169093][ T72] [ 6674.171139][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6674.171139][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6674.171139][ T72] ipv6_find_idev+0x102/0x170 [ 6674.171139][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.171139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.171139][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.171139][ T72] netlink_unicast+0x449/0x710 [ 6674.171139][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.171139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.171139][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.171139][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.171139][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.171139][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.171139][ T72] [ 6674.172675][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6674.172675][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6674.172675][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6674.172675][ T72] ipv6_find_idev+0x102/0x170 [ 6674.172675][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.172675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.172675][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.172675][ T72] netlink_unicast+0x449/0x710 [ 6674.172675][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.172675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.172675][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.172675][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.172675][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.172675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.172675][ T72] [ 6674.174425][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6674.174699][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6674.174699][ T72] dst_init+0x84/0x4a0 [ 6674.174699][ T72] dst_alloc+0x97/0x150 [ 6674.174699][ T72] ip6_dst_alloc+0x23/0x90 [ 6674.174699][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6674.174699][ T72] ip6_pol_route+0x56f/0x840 [ 6674.174699][ T72] fib6_rule_lookup+0x456/0x630 [ 6674.174699][ T72] ip6_route_input+0x59c/0xa50 [ 6674.174699][ T72] ipv6_rcv+0x397/0x810 [ 6674.174699][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6674.174699][ T72] process_backlog+0x101/0x620 [ 6674.174699][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6674.174699][ T72] net_rx_action+0x495/0xbe0 [ 6674.174699][ T72] __do_softirq+0x1b5/0x7f6 [ 6674.174699][ T72] [ 6674.176348][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6674.176348][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.176348][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.176348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.176348][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6674.176348][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6674.176348][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6674.176348][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6674.176348][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6674.176348][ T72] addrconf_dad_begin+0x310/0x670 [ 6674.176348][ T72] addrconf_dad_work+0x10b/0xab0 [ 6674.176348][ T72] process_one_work+0x84d/0x18a0 [ 6674.176348][ T72] worker_thread+0x587/0xd30 [ 6674.176348][ T72] kthread+0x28a/0x350 [ 6674.176348][ T72] ret_from_fork+0x31/0x70 [ 6674.176348][ T72] ret_from_fork_asm+0x1a/0x30 [ 6674.176348][ T72] [ 6674.178277][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6674.178277][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.178277][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.178277][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.178277][ T72] ip6_route_add+0x1c/0x140 [ 6674.178277][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6674.178277][ T72] inet6_addr_add+0x4f8/0xa40 [ 6674.178277][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.178277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.178277][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.178277][ T72] netlink_unicast+0x449/0x710 [ 6674.178277][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.178277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.178277][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.178277][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.178277][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.178277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.178277][ T72] [ 6674.180287][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6674.180287][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.180287][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.180287][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.180287][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6674.180287][ T72] ipv6_add_addr+0x411/0x2000 [ 6674.180287][ T72] inet6_addr_add+0x30e/0xa40 [ 6674.180287][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.180287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.180287][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.180287][ T72] netlink_unicast+0x449/0x710 [ 6674.180287][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.180287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.180287][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.180287][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.180287][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.180287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.180287][ T72] [ 6674.182339][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6674.182339][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.182339][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.182339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.182339][ T72] ip6_route_add+0x1c/0x140 [ 6674.182339][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6674.182339][ T72] addrconf_add_dev+0xe2/0x170 [ 6674.182339][ T72] inet6_addr_add+0x12f/0xa40 [ 6674.182339][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.182339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.182339][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.182339][ T72] netlink_unicast+0x449/0x710 [ 6674.182339][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.182339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.182339][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.182339][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.182339][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.182339][ T72] [ 6674.184331][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6674.184331][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6674.184331][ T72] ipv6_find_idev+0x102/0x170 [ 6674.184331][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.184331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.184331][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.184331][ T72] netlink_unicast+0x449/0x710 [ 6674.184331][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.184331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.184331][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.184331][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.184331][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.184331][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.184331][ T72] [ 6674.185871][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6674.185871][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6674.185871][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6674.185871][ T72] ipv6_find_idev+0x102/0x170 [ 6674.185871][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.185871][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.185871][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.185871][ T72] netlink_unicast+0x449/0x710 [ 6674.185871][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.185871][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.185871][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.185871][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.185871][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.185871][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.185871][ T72] [ 6674.187715][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6674.188001][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6674.188001][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6674.188001][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6674.188001][ T72] fib6_nh_init+0xa22/0x1580 [ 6674.188001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.188001][ T72] ip6_route_add+0x1c/0x140 [ 6674.188001][ T72] inet6_rtm_newroute+0x104/0x110 [ 6674.188001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.188001][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.188001][ T72] netlink_unicast+0x449/0x710 [ 6674.188001][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.188001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.188001][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.188001][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.188001][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.188001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.188001][ T72] [ 6674.190130][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6674.190130][ T72] dst_init+0x84/0x4a0 [ 6674.190130][ T72] dst_alloc+0x97/0x150 [ 6674.190130][ T72] ip6_dst_alloc+0x23/0x90 [ 6674.190130][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6674.190130][ T72] ip6_pol_route+0x56f/0x840 [ 6674.190130][ T72] fib6_rule_lookup+0x456/0x630 [ 6674.190130][ T72] ip6_route_input+0x59c/0xa50 [ 6674.190130][ T72] ipv6_rcv+0x397/0x810 [ 6674.190130][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6674.190130][ T72] process_backlog+0x101/0x620 [ 6674.190130][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6674.190130][ T72] net_rx_action+0x495/0xbe0 [ 6674.190130][ T72] __do_softirq+0x1b5/0x7f6 [ 6674.190130][ T72] [ 6674.191991][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6674.191991][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.191991][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.191991][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.191991][ T72] ip6_route_add+0x1c/0x140 [ 6674.191991][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6674.191991][ T72] inet6_addr_add+0x4f8/0xa40 [ 6674.191991][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.191991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.191991][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.191991][ T72] netlink_unicast+0x449/0x710 [ 6674.191991][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.191991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.191991][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.191991][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.191991][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.191991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.191991][ T72] [ 6674.194185][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6674.194185][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.194185][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.194185][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.194185][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6674.194185][ T72] ipv6_add_addr+0x411/0x2000 [ 6674.194185][ T72] inet6_addr_add+0x30e/0xa40 [ 6674.194185][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.194185][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.194185][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.194185][ T72] netlink_unicast+0x449/0x710 [ 6674.194185][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.194185][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.194185][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.194185][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.194185][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.194185][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.194185][ T72] [ 6674.196428][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6674.196428][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.196428][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.196428][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.196428][ T72] ip6_route_add+0x1c/0x140 [ 6674.196428][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6674.196428][ T72] addrconf_add_dev+0xe2/0x170 [ 6674.196428][ T72] inet6_addr_add+0x12f/0xa40 [ 6674.196428][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.196428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.196428][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.196428][ T72] netlink_unicast+0x449/0x710 [ 6674.196428][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.196428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.196428][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.196428][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.196428][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.196428][ T72] [ 6674.198701][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6674.198701][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6674.198701][ T72] ipv6_find_idev+0x102/0x170 [ 6674.198701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.198701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.198701][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.198701][ T72] netlink_unicast+0x449/0x710 [ 6674.198701][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.198701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.198701][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.198701][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.198701][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.198701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.198701][ T72] [ 6674.200388][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6674.200388][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6674.200388][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6674.200388][ T72] ipv6_find_idev+0x102/0x170 [ 6674.200388][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.200388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.200388][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.200388][ T72] netlink_unicast+0x449/0x710 [ 6674.200388][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.200388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.200388][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.200388][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.200388][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.200388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.200388][ T72] [ 6674.202214][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6674.202567][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6674.202567][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.202567][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.202567][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.202567][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6674.202567][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6674.202567][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6674.202567][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6674.202567][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6674.202567][ T72] addrconf_dad_begin+0x310/0x670 [ 6674.202567][ T72] addrconf_dad_work+0x10b/0xab0 [ 6674.202567][ T72] process_one_work+0x84d/0x18a0 [ 6674.202567][ T72] worker_thread+0x587/0xd30 [ 6674.202567][ T72] kthread+0x28a/0x350 [ 6674.202567][ T72] ret_from_fork+0x31/0x70 [ 6674.202567][ T72] ret_from_fork_asm+0x1a/0x30 [ 6674.202567][ T72] [ 6674.204655][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6674.204655][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.204655][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.204655][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.204655][ T72] ip6_route_add+0x1c/0x140 [ 6674.204655][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6674.204655][ T72] inet6_addr_add+0x4f8/0xa40 [ 6674.204655][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.204655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.204655][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.204655][ T72] netlink_unicast+0x449/0x710 [ 6674.204655][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.204655][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.204655][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.204655][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.204655][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.204655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.204655][ T72] [ 6674.206838][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6674.206838][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.206838][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.206838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.206838][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6674.206838][ T72] ipv6_add_addr+0x411/0x2000 [ 6674.206838][ T72] inet6_addr_add+0x30e/0xa40 [ 6674.206838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.206838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.206838][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.206838][ T72] netlink_unicast+0x449/0x710 [ 6674.206838][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.206838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.206838][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.206838][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.206838][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.206838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.206838][ T72] [ 6674.209086][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6674.209086][ T72] netdev_get_by_index+0x5e/0x80 [ 6674.209086][ T72] fib6_nh_init+0x3d8/0x1580 [ 6674.209086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6674.209086][ T72] ip6_route_add+0x1c/0x140 [ 6674.209086][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6674.209086][ T72] addrconf_add_dev+0xe2/0x170 [ 6674.209086][ T72] inet6_addr_add+0x12f/0xa40 [ 6674.209086][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.209086][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.209086][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.209086][ T72] netlink_unicast+0x449/0x710 [ 6674.209086][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.209086][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.209086][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.209086][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.209086][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.209086][ T72] [ 6674.211238][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6674.211238][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6674.211238][ T72] ipv6_find_idev+0x102/0x170 [ 6674.211238][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.211238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.211238][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.211238][ T72] netlink_unicast+0x449/0x710 [ 6674.211238][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.211238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.211238][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.211238][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.211238][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.211238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.211238][ T72] [ 6674.212915][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6674.212915][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6674.212915][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6674.212915][ T72] ipv6_find_idev+0x102/0x170 [ 6674.212915][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.212915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.212915][ T72] netlink_rcv_skb+0x130/0x360 [ 6674.212915][ T72] netlink_unicast+0x449/0x710 [ 6674.212915][ T72] netlink_sendmsg+0x723/0xbe0 [ 6674.212915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6674.212915][ T72] ___sys_sendmsg+0xee/0x170 [ 6674.212915][ T72] __sys_sendmsg+0xcd/0x170 [ 6674.212915][ T72] do_syscall_64+0xc6/0x1e0 [ 6674.212915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.212915][ T72] [ 6684.456986][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6684.457635][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6684.457635][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6684.457635][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6684.457635][ T72] fib6_nh_init+0xa22/0x1580 [ 6684.457635][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.457635][ T72] ip6_route_add+0x1c/0x140 [ 6684.457635][ T72] inet6_rtm_newroute+0x104/0x110 [ 6684.457635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.457635][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.457635][ T72] netlink_unicast+0x449/0x710 [ 6684.457635][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.457635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.457635][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.457635][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.457635][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.457635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.457635][ T72] [ 6684.459415][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6684.459415][ T72] dst_init+0x84/0x4a0 [ 6684.459415][ T72] dst_alloc+0x97/0x150 [ 6684.459415][ T72] ip6_dst_alloc+0x23/0x90 [ 6684.459415][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6684.459415][ T72] ip6_pol_route+0x56f/0x840 [ 6684.459415][ T72] fib6_rule_lookup+0x456/0x630 [ 6684.459415][ T72] ip6_route_input+0x59c/0xa50 [ 6684.459415][ T72] ipv6_rcv+0x397/0x810 [ 6684.459415][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6684.459415][ T72] process_backlog+0x101/0x620 [ 6684.459415][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6684.459415][ T72] net_rx_action+0x495/0xbe0 [ 6684.459415][ T72] __do_softirq+0x1b5/0x7f6 [ 6684.459415][ T72] [ 6684.460989][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6684.460989][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.460989][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.460989][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.460989][ T72] ip6_route_add+0x1c/0x140 [ 6684.460989][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6684.460989][ T72] inet6_addr_add+0x4f8/0xa40 [ 6684.460989][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.460989][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.460989][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.460989][ T72] netlink_unicast+0x449/0x710 [ 6684.460989][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.460989][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.460989][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.460989][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.460989][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.460989][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.460989][ T72] [ 6684.462986][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6684.462986][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.462986][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.462986][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.462986][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6684.462986][ T72] ipv6_add_addr+0x411/0x2000 [ 6684.462986][ T72] inet6_addr_add+0x30e/0xa40 [ 6684.462986][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.462986][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.462986][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.462986][ T72] netlink_unicast+0x449/0x710 [ 6684.462986][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.462986][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.462986][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.462986][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.462986][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.462986][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.462986][ T72] [ 6684.464976][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6684.464976][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.464976][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.464976][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.464976][ T72] ip6_route_add+0x1c/0x140 [ 6684.464976][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6684.464976][ T72] addrconf_add_dev+0xe2/0x170 [ 6684.464976][ T72] inet6_addr_add+0x12f/0xa40 [ 6684.464976][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.464976][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.464976][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.464976][ T72] netlink_unicast+0x449/0x710 [ 6684.464976][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.464976][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.464976][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.464976][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.464976][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.464976][ T72] [ 6684.466858][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6684.466858][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6684.466858][ T72] ipv6_find_idev+0x102/0x170 [ 6684.466858][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.466858][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.466858][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.466858][ T72] netlink_unicast+0x449/0x710 [ 6684.466858][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.466858][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.466858][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.466858][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.466858][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.466858][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.466858][ T72] [ 6684.468411][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6684.468411][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6684.468411][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6684.468411][ T72] ipv6_find_idev+0x102/0x170 [ 6684.468411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.468411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.468411][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.468411][ T72] netlink_unicast+0x449/0x710 [ 6684.468411][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.468411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.468411][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.468411][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.468411][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.468411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.468411][ T72] [ 6684.499784][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6684.500110][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6684.500110][ T72] dst_init+0x84/0x4a0 [ 6684.500110][ T72] dst_alloc+0x97/0x150 [ 6684.500110][ T72] ip6_dst_alloc+0x23/0x90 [ 6684.500110][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6684.500110][ T72] ip6_pol_route+0x56f/0x840 [ 6684.500110][ T72] fib6_rule_lookup+0x456/0x630 [ 6684.500110][ T72] ip6_route_input+0x59c/0xa50 [ 6684.500110][ T72] ipv6_rcv+0x397/0x810 [ 6684.500110][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6684.500110][ T72] process_backlog+0x101/0x620 [ 6684.500110][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6684.500110][ T72] net_rx_action+0x495/0xbe0 [ 6684.500110][ T72] __do_softirq+0x1b5/0x7f6 [ 6684.500110][ T72] [ 6684.501756][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6684.501756][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.501756][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.501756][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.501756][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6684.501756][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6684.501756][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6684.501756][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6684.501756][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6684.501756][ T72] addrconf_dad_begin+0x310/0x670 [ 6684.501756][ T72] addrconf_dad_work+0x10b/0xab0 [ 6684.501756][ T72] process_one_work+0x84d/0x18a0 [ 6684.501756][ T72] worker_thread+0x587/0xd30 [ 6684.501756][ T72] kthread+0x28a/0x350 [ 6684.501756][ T72] ret_from_fork+0x31/0x70 [ 6684.501756][ T72] ret_from_fork_asm+0x1a/0x30 [ 6684.501756][ T72] [ 6684.503640][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6684.503640][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.503640][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.503640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.503640][ T72] ip6_route_add+0x1c/0x140 [ 6684.503640][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6684.503640][ T72] inet6_addr_add+0x4f8/0xa40 [ 6684.503640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.503640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.503640][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.503640][ T72] netlink_unicast+0x449/0x710 [ 6684.503640][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.503640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.503640][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.503640][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.503640][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.503640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.503640][ T72] [ 6684.505617][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6684.505617][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.505617][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.505617][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.505617][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6684.505617][ T72] ipv6_add_addr+0x411/0x2000 [ 6684.505617][ T72] inet6_addr_add+0x30e/0xa40 [ 6684.505617][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.505617][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.505617][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.505617][ T72] netlink_unicast+0x449/0x710 [ 6684.505617][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.505617][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.505617][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.505617][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.505617][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.505617][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.505617][ T72] [ 6684.507559][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6684.507559][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.507559][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.507559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.507559][ T72] ip6_route_add+0x1c/0x140 [ 6684.507559][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6684.507559][ T72] addrconf_add_dev+0xe2/0x170 [ 6684.507559][ T72] inet6_addr_add+0x12f/0xa40 [ 6684.507559][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.507559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.507559][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.507559][ T72] netlink_unicast+0x449/0x710 [ 6684.507559][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.507559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.507559][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.507559][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.507559][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.507559][ T72] [ 6684.509435][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6684.509435][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6684.509435][ T72] ipv6_find_idev+0x102/0x170 [ 6684.509435][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.509435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.509435][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.509435][ T72] netlink_unicast+0x449/0x710 [ 6684.509435][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.509435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.509435][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.509435][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.509435][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.509435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.509435][ T72] [ 6684.510872][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6684.510872][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6684.510872][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6684.510872][ T72] ipv6_find_idev+0x102/0x170 [ 6684.510872][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.510872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.510872][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.510872][ T72] netlink_unicast+0x449/0x710 [ 6684.510872][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.510872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.510872][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.510872][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.510872][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.510872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.510872][ T72] [ 6684.512605][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6684.512886][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6684.512886][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6684.512886][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6684.512886][ T72] fib6_nh_init+0xa22/0x1580 [ 6684.512886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.512886][ T72] ip6_route_add+0x1c/0x140 [ 6684.512886][ T72] inet6_rtm_newroute+0x104/0x110 [ 6684.512886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.512886][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.512886][ T72] netlink_unicast+0x449/0x710 [ 6684.512886][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.512886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.512886][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.512886][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.512886][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.512886][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.512886][ T72] [ 6684.514927][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6684.514927][ T72] dst_init+0x84/0x4a0 [ 6684.514927][ T72] dst_alloc+0x97/0x150 [ 6684.514927][ T72] ip6_dst_alloc+0x23/0x90 [ 6684.514927][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6684.514927][ T72] ip6_pol_route+0x56f/0x840 [ 6684.514927][ T72] fib6_rule_lookup+0x456/0x630 [ 6684.514927][ T72] ip6_route_input+0x59c/0xa50 [ 6684.514927][ T72] ipv6_rcv+0x397/0x810 [ 6684.514927][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6684.514927][ T72] process_backlog+0x101/0x620 [ 6684.514927][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6684.514927][ T72] net_rx_action+0x495/0xbe0 [ 6684.514927][ T72] __do_softirq+0x1b5/0x7f6 [ 6684.514927][ T72] [ 6684.516796][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6684.516796][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.516796][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.516796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.516796][ T72] ip6_route_add+0x1c/0x140 [ 6684.516796][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6684.516796][ T72] inet6_addr_add+0x4f8/0xa40 [ 6684.516796][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.516796][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.516796][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.516796][ T72] netlink_unicast+0x449/0x710 [ 6684.516796][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.516796][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.516796][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.516796][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.516796][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.516796][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.516796][ T72] [ 6684.518965][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6684.518965][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.518965][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.518965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.518965][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6684.518965][ T72] ipv6_add_addr+0x411/0x2000 [ 6684.518965][ T72] inet6_addr_add+0x30e/0xa40 [ 6684.518965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.518965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.518965][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.518965][ T72] netlink_unicast+0x449/0x710 [ 6684.518965][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.518965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.518965][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.518965][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.518965][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.518965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.518965][ T72] [ 6684.521142][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6684.521142][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.521142][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.521142][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.521142][ T72] ip6_route_add+0x1c/0x140 [ 6684.521142][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6684.521142][ T72] addrconf_add_dev+0xe2/0x170 [ 6684.521142][ T72] inet6_addr_add+0x12f/0xa40 [ 6684.521142][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.521142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.521142][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.521142][ T72] netlink_unicast+0x449/0x710 [ 6684.521142][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.521142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.521142][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.521142][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.521142][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.521142][ T72] [ 6684.523354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6684.523354][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6684.523354][ T72] ipv6_find_idev+0x102/0x170 [ 6684.523354][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.523354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.523354][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.523354][ T72] netlink_unicast+0x449/0x710 [ 6684.523354][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.523354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.523354][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.523354][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.523354][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.523354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.523354][ T72] [ 6684.525091][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6684.525091][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6684.525091][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6684.525091][ T72] ipv6_find_idev+0x102/0x170 [ 6684.525091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.525091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.525091][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.525091][ T72] netlink_unicast+0x449/0x710 [ 6684.525091][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.525091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.525091][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.525091][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.525091][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.525091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.525091][ T72] [ 6684.526915][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6684.527270][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6684.527270][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.527270][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.527270][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.527270][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6684.527270][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6684.527270][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6684.527270][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6684.527270][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6684.527270][ T72] addrconf_dad_begin+0x310/0x670 [ 6684.527270][ T72] addrconf_dad_work+0x10b/0xab0 [ 6684.527270][ T72] process_one_work+0x84d/0x18a0 [ 6684.527270][ T72] worker_thread+0x587/0xd30 [ 6684.527270][ T72] kthread+0x28a/0x350 [ 6684.527270][ T72] ret_from_fork+0x31/0x70 [ 6684.527270][ T72] ret_from_fork_asm+0x1a/0x30 [ 6684.527270][ T72] [ 6684.529370][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6684.529370][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.529370][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.529370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.529370][ T72] ip6_route_add+0x1c/0x140 [ 6684.529370][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6684.529370][ T72] inet6_addr_add+0x4f8/0xa40 [ 6684.529370][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.529370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.529370][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.529370][ T72] netlink_unicast+0x449/0x710 [ 6684.529370][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.529370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.529370][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.529370][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.529370][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.529370][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.529370][ T72] [ 6684.531729][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6684.531729][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.531729][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.531729][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.531729][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6684.531729][ T72] ipv6_add_addr+0x411/0x2000 [ 6684.531729][ T72] inet6_addr_add+0x30e/0xa40 [ 6684.531729][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.531729][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.531729][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.531729][ T72] netlink_unicast+0x449/0x710 [ 6684.531729][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.531729][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.531729][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.531729][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.531729][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.531729][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.531729][ T72] [ 6684.534037][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6684.534037][ T72] netdev_get_by_index+0x5e/0x80 [ 6684.534037][ T72] fib6_nh_init+0x3d8/0x1580 [ 6684.534037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6684.534037][ T72] ip6_route_add+0x1c/0x140 [ 6684.534037][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6684.534037][ T72] addrconf_add_dev+0xe2/0x170 [ 6684.534037][ T72] inet6_addr_add+0x12f/0xa40 [ 6684.534037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.534037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.534037][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.534037][ T72] netlink_unicast+0x449/0x710 [ 6684.534037][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.534037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.534037][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.534037][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.534037][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.534037][ T72] [ 6684.536294][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6684.536294][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6684.536294][ T72] ipv6_find_idev+0x102/0x170 [ 6684.536294][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.536294][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.536294][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.536294][ T72] netlink_unicast+0x449/0x710 [ 6684.536294][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.536294][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.536294][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.536294][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.536294][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.536294][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.536294][ T72] [ 6684.538040][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6684.538040][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6684.538040][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6684.538040][ T72] ipv6_find_idev+0x102/0x170 [ 6684.538040][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.538040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.538040][ T72] netlink_rcv_skb+0x130/0x360 [ 6684.538040][ T72] netlink_unicast+0x449/0x710 [ 6684.538040][ T72] netlink_sendmsg+0x723/0xbe0 [ 6684.538040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6684.538040][ T72] ___sys_sendmsg+0xee/0x170 [ 6684.538040][ T72] __sys_sendmsg+0xcd/0x170 [ 6684.538040][ T72] do_syscall_64+0xc6/0x1e0 [ 6684.538040][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.538040][ T72] [ 6694.776990][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6694.777829][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6694.777829][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6694.777829][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6694.777829][ T72] fib6_nh_init+0xa22/0x1580 [ 6694.777829][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.777829][ T72] ip6_route_add+0x1c/0x140 [ 6694.777829][ T72] inet6_rtm_newroute+0x104/0x110 [ 6694.777829][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.777829][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.777829][ T72] netlink_unicast+0x449/0x710 [ 6694.777829][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.777829][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.777829][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.777829][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.777829][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.777829][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.777829][ T72] [ 6694.779677][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6694.779677][ T72] dst_init+0x84/0x4a0 [ 6694.779677][ T72] dst_alloc+0x97/0x150 [ 6694.779677][ T72] ip6_dst_alloc+0x23/0x90 [ 6694.779677][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6694.779677][ T72] ip6_pol_route+0x56f/0x840 [ 6694.779677][ T72] fib6_rule_lookup+0x456/0x630 [ 6694.779677][ T72] ip6_route_input+0x59c/0xa50 [ 6694.779677][ T72] ipv6_rcv+0x397/0x810 [ 6694.779677][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6694.779677][ T72] process_backlog+0x101/0x620 [ 6694.779677][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6694.779677][ T72] net_rx_action+0x495/0xbe0 [ 6694.779677][ T72] __do_softirq+0x1b5/0x7f6 [ 6694.779677][ T72] [ 6694.781215][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6694.781215][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.781215][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.781215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.781215][ T72] ip6_route_add+0x1c/0x140 [ 6694.781215][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6694.781215][ T72] inet6_addr_add+0x4f8/0xa40 [ 6694.781215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.781215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.781215][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.781215][ T72] netlink_unicast+0x449/0x710 [ 6694.781215][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.781215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.781215][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.781215][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.781215][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.781215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.781215][ T72] [ 6694.783117][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6694.783117][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.783117][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.783117][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.783117][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6694.783117][ T72] ipv6_add_addr+0x411/0x2000 [ 6694.783117][ T72] inet6_addr_add+0x30e/0xa40 [ 6694.783117][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.783117][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.783117][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.783117][ T72] netlink_unicast+0x449/0x710 [ 6694.783117][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.783117][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.783117][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.783117][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.783117][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.783117][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.783117][ T72] [ 6694.784996][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6694.784996][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.784996][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.784996][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.784996][ T72] ip6_route_add+0x1c/0x140 [ 6694.784996][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6694.784996][ T72] addrconf_add_dev+0xe2/0x170 [ 6694.784996][ T72] inet6_addr_add+0x12f/0xa40 [ 6694.784996][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.784996][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.784996][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.784996][ T72] netlink_unicast+0x449/0x710 [ 6694.784996][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.784996][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.784996][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.784996][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.784996][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.784996][ T72] [ 6694.786825][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6694.786825][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6694.786825][ T72] ipv6_find_idev+0x102/0x170 [ 6694.786825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.786825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.786825][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.786825][ T72] netlink_unicast+0x449/0x710 [ 6694.786825][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.786825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.786825][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.786825][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.786825][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.786825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.786825][ T72] [ 6694.788367][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6694.788367][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6694.788367][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6694.788367][ T72] ipv6_find_idev+0x102/0x170 [ 6694.788367][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.788367][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.788367][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.788367][ T72] netlink_unicast+0x449/0x710 [ 6694.788367][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.788367][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.788367][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.788367][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.788367][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.788367][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.788367][ T72] [ 6694.790068][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6694.790365][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6694.790365][ T72] dst_init+0x84/0x4a0 [ 6694.790365][ T72] dst_alloc+0x97/0x150 [ 6694.790365][ T72] ip6_dst_alloc+0x23/0x90 [ 6694.790365][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6694.790365][ T72] ip6_pol_route+0x56f/0x840 [ 6694.790365][ T72] fib6_rule_lookup+0x456/0x630 [ 6694.790365][ T72] ip6_route_input+0x59c/0xa50 [ 6694.790365][ T72] ipv6_rcv+0x397/0x810 [ 6694.790365][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6694.790365][ T72] process_backlog+0x101/0x620 [ 6694.790365][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6694.790365][ T72] net_rx_action+0x495/0xbe0 [ 6694.790365][ T72] __do_softirq+0x1b5/0x7f6 [ 6694.790365][ T72] [ 6694.792002][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6694.792002][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.792002][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.792002][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.792002][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6694.792002][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6694.792002][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6694.792002][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6694.792002][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6694.792002][ T72] addrconf_dad_begin+0x310/0x670 [ 6694.792002][ T72] addrconf_dad_work+0x10b/0xab0 [ 6694.792002][ T72] process_one_work+0x84d/0x18a0 [ 6694.792002][ T72] worker_thread+0x587/0xd30 [ 6694.792002][ T72] kthread+0x28a/0x350 [ 6694.792002][ T72] ret_from_fork+0x31/0x70 [ 6694.792002][ T72] ret_from_fork_asm+0x1a/0x30 [ 6694.792002][ T72] [ 6694.793916][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6694.793916][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.793916][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.793916][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.793916][ T72] ip6_route_add+0x1c/0x140 [ 6694.793916][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6694.793916][ T72] inet6_addr_add+0x4f8/0xa40 [ 6694.793916][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.793916][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.793916][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.793916][ T72] netlink_unicast+0x449/0x710 [ 6694.793916][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.793916][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.793916][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.793916][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.793916][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.793916][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.793916][ T72] [ 6694.795872][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6694.795872][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.795872][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.795872][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.795872][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6694.795872][ T72] ipv6_add_addr+0x411/0x2000 [ 6694.795872][ T72] inet6_addr_add+0x30e/0xa40 [ 6694.795872][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.795872][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.795872][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.795872][ T72] netlink_unicast+0x449/0x710 [ 6694.795872][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.795872][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.795872][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.795872][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.795872][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.795872][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.795872][ T72] [ 6694.797886][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6694.797886][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.797886][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.797886][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.797886][ T72] ip6_route_add+0x1c/0x140 [ 6694.797886][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6694.797886][ T72] addrconf_add_dev+0xe2/0x170 [ 6694.797886][ T72] inet6_addr_add+0x12f/0xa40 [ 6694.797886][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.797886][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.797886][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.797886][ T72] netlink_unicast+0x449/0x710 [ 6694.797886][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.797886][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.797886][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.797886][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.797886][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.797886][ T72] [ 6694.799890][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6694.799890][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6694.799890][ T72] ipv6_find_idev+0x102/0x170 [ 6694.799890][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.799890][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.799890][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.799890][ T72] netlink_unicast+0x449/0x710 [ 6694.799890][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.799890][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.799890][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.799890][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.799890][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.799890][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.799890][ T72] [ 6694.801406][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6694.801406][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6694.801406][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6694.801406][ T72] ipv6_find_idev+0x102/0x170 [ 6694.801406][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.801406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.801406][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.801406][ T72] netlink_unicast+0x449/0x710 [ 6694.801406][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.801406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.801406][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.801406][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.801406][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.801406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.801406][ T72] [ 6694.803220][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6694.803503][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6694.803503][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6694.803503][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6694.803503][ T72] fib6_nh_init+0xa22/0x1580 [ 6694.803503][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.803503][ T72] ip6_route_add+0x1c/0x140 [ 6694.803503][ T72] inet6_rtm_newroute+0x104/0x110 [ 6694.803503][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.803503][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.803503][ T72] netlink_unicast+0x449/0x710 [ 6694.803503][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.803503][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.803503][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.803503][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.803503][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.803503][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.803503][ T72] [ 6694.805657][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6694.805657][ T72] dst_init+0x84/0x4a0 [ 6694.805657][ T72] dst_alloc+0x97/0x150 [ 6694.805657][ T72] ip6_dst_alloc+0x23/0x90 [ 6694.805657][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6694.805657][ T72] ip6_pol_route+0x56f/0x840 [ 6694.805657][ T72] fib6_rule_lookup+0x456/0x630 [ 6694.805657][ T72] ip6_route_input+0x59c/0xa50 [ 6694.805657][ T72] ipv6_rcv+0x397/0x810 [ 6694.805657][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6694.805657][ T72] process_backlog+0x101/0x620 [ 6694.805657][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6694.805657][ T72] net_rx_action+0x495/0xbe0 [ 6694.805657][ T72] __do_softirq+0x1b5/0x7f6 [ 6694.805657][ T72] [ 6694.807550][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6694.807550][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.807550][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.807550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.807550][ T72] ip6_route_add+0x1c/0x140 [ 6694.807550][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6694.807550][ T72] inet6_addr_add+0x4f8/0xa40 [ 6694.807550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.807550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.807550][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.807550][ T72] netlink_unicast+0x449/0x710 [ 6694.807550][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.807550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.807550][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.807550][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.807550][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.807550][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.807550][ T72] [ 6694.809728][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6694.809728][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.809728][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.809728][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.809728][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6694.809728][ T72] ipv6_add_addr+0x411/0x2000 [ 6694.809728][ T72] inet6_addr_add+0x30e/0xa40 [ 6694.809728][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.809728][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.809728][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.809728][ T72] netlink_unicast+0x449/0x710 [ 6694.809728][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.809728][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.809728][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.809728][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.809728][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.809728][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.809728][ T72] [ 6694.811977][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6694.811977][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.811977][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.811977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.811977][ T72] ip6_route_add+0x1c/0x140 [ 6694.811977][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6694.811977][ T72] addrconf_add_dev+0xe2/0x170 [ 6694.811977][ T72] inet6_addr_add+0x12f/0xa40 [ 6694.811977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.811977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.811977][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.811977][ T72] netlink_unicast+0x449/0x710 [ 6694.811977][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.811977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.811977][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.811977][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.811977][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.811977][ T72] [ 6694.814223][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6694.814223][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6694.814223][ T72] ipv6_find_idev+0x102/0x170 [ 6694.814223][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.814223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.814223][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.814223][ T72] netlink_unicast+0x449/0x710 [ 6694.814223][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.814223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.814223][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.814223][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.814223][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.814223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.814223][ T72] [ 6694.815959][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6694.815959][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6694.815959][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6694.815959][ T72] ipv6_find_idev+0x102/0x170 [ 6694.815959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.815959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.815959][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.815959][ T72] netlink_unicast+0x449/0x710 [ 6694.815959][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.815959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.815959][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.815959][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.815959][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.815959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.815959][ T72] [ 6694.817827][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6694.818167][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6694.818167][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.818167][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.818167][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.818167][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6694.818167][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6694.818167][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6694.818167][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6694.818167][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6694.818167][ T72] addrconf_dad_begin+0x310/0x670 [ 6694.818167][ T72] addrconf_dad_work+0x10b/0xab0 [ 6694.818167][ T72] process_one_work+0x84d/0x18a0 [ 6694.818167][ T72] worker_thread+0x587/0xd30 [ 6694.818167][ T72] kthread+0x28a/0x350 [ 6694.818167][ T72] ret_from_fork+0x31/0x70 [ 6694.818167][ T72] ret_from_fork_asm+0x1a/0x30 [ 6694.818167][ T72] [ 6694.820281][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6694.820281][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.820281][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.820281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.820281][ T72] ip6_route_add+0x1c/0x140 [ 6694.820281][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6694.820281][ T72] inet6_addr_add+0x4f8/0xa40 [ 6694.820281][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.820281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.820281][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.820281][ T72] netlink_unicast+0x449/0x710 [ 6694.820281][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.820281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.820281][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.820281][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.820281][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.820281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.820281][ T72] [ 6694.822526][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6694.822526][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.822526][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.822526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.822526][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6694.822526][ T72] ipv6_add_addr+0x411/0x2000 [ 6694.822526][ T72] inet6_addr_add+0x30e/0xa40 [ 6694.822526][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.822526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.822526][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.822526][ T72] netlink_unicast+0x449/0x710 [ 6694.822526][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.822526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.822526][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.822526][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.822526][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.822526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.822526][ T72] [ 6694.824865][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6694.824865][ T72] netdev_get_by_index+0x5e/0x80 [ 6694.824865][ T72] fib6_nh_init+0x3d8/0x1580 [ 6694.824865][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6694.824865][ T72] ip6_route_add+0x1c/0x140 [ 6694.824865][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6694.824865][ T72] addrconf_add_dev+0xe2/0x170 [ 6694.824865][ T72] inet6_addr_add+0x12f/0xa40 [ 6694.824865][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6694.824865][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.824865][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.824865][ T72] netlink_unicast+0x449/0x710 [ 6694.824865][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.824865][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.824865][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.824865][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.824865][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.824865][ T72] [ 6694.827050][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6694.827050][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6694.827050][ T72] ipv6_find_idev+0x102/0x170 [ 6694.827050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.827050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.827050][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.827050][ T72] netlink_unicast+0x449/0x710 [ 6694.827050][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.827050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.827050][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.827050][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.827050][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.827050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.827050][ T72] [ 6694.828780][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6694.828780][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6694.828780][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6694.828780][ T72] ipv6_find_idev+0x102/0x170 [ 6694.828780][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6694.828780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6694.828780][ T72] netlink_rcv_skb+0x130/0x360 [ 6694.828780][ T72] netlink_unicast+0x449/0x710 [ 6694.828780][ T72] netlink_sendmsg+0x723/0xbe0 [ 6694.828780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6694.828780][ T72] ___sys_sendmsg+0xee/0x170 [ 6694.828780][ T72] __sys_sendmsg+0xcd/0x170 [ 6694.828780][ T72] do_syscall_64+0xc6/0x1e0 [ 6694.828780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6694.828780][ T72] [ 6705.000987][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6705.001730][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6705.001730][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6705.001730][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6705.001730][ T72] fib6_nh_init+0xa22/0x1580 [ 6705.001730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.001730][ T72] ip6_route_add+0x1c/0x140 [ 6705.001730][ T72] inet6_rtm_newroute+0x104/0x110 [ 6705.001730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.001730][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.001730][ T72] netlink_unicast+0x449/0x710 [ 6705.001730][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.001730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.001730][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.001730][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.001730][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.001730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.001730][ T72] [ 6705.003551][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6705.003551][ T72] dst_init+0x84/0x4a0 [ 6705.003551][ T72] dst_alloc+0x97/0x150 [ 6705.003551][ T72] ip6_dst_alloc+0x23/0x90 [ 6705.003551][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6705.003551][ T72] ip6_pol_route+0x56f/0x840 [ 6705.003551][ T72] fib6_rule_lookup+0x456/0x630 [ 6705.003551][ T72] ip6_route_input+0x59c/0xa50 [ 6705.003551][ T72] ipv6_rcv+0x397/0x810 [ 6705.003551][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6705.003551][ T72] process_backlog+0x101/0x620 [ 6705.003551][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6705.003551][ T72] net_rx_action+0x495/0xbe0 [ 6705.003551][ T72] __do_softirq+0x1b5/0x7f6 [ 6705.003551][ T72] [ 6705.005082][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6705.005082][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.005082][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.005082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.005082][ T72] ip6_route_add+0x1c/0x140 [ 6705.005082][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6705.005082][ T72] inet6_addr_add+0x4f8/0xa40 [ 6705.005082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.005082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.005082][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.005082][ T72] netlink_unicast+0x449/0x710 [ 6705.005082][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.005082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.005082][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.005082][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.005082][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.005082][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.005082][ T72] [ 6705.007001][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6705.007001][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.007001][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.007001][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.007001][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6705.007001][ T72] ipv6_add_addr+0x411/0x2000 [ 6705.007001][ T72] inet6_addr_add+0x30e/0xa40 [ 6705.007001][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.007001][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.007001][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.007001][ T72] netlink_unicast+0x449/0x710 [ 6705.007001][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.007001][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.007001][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.007001][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.007001][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.007001][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.007001][ T72] [ 6705.008958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6705.008958][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.008958][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.008958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.008958][ T72] ip6_route_add+0x1c/0x140 [ 6705.008958][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6705.008958][ T72] addrconf_add_dev+0xe2/0x170 [ 6705.008958][ T72] inet6_addr_add+0x12f/0xa40 [ 6705.008958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.008958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.008958][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.008958][ T72] netlink_unicast+0x449/0x710 [ 6705.008958][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.008958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.008958][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.008958][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.008958][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.008958][ T72] [ 6705.010802][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6705.010802][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6705.010802][ T72] ipv6_find_idev+0x102/0x170 [ 6705.010802][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.010802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.010802][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.010802][ T72] netlink_unicast+0x449/0x710 [ 6705.010802][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.010802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.010802][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.010802][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.010802][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.010802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.010802][ T72] [ 6705.012300][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6705.012300][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6705.012300][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6705.012300][ T72] ipv6_find_idev+0x102/0x170 [ 6705.012300][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.012300][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.012300][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.012300][ T72] netlink_unicast+0x449/0x710 [ 6705.012300][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.012300][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.012300][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.012300][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.012300][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.012300][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.012300][ T72] [ 6705.014025][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6705.014324][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6705.014324][ T72] dst_init+0x84/0x4a0 [ 6705.014324][ T72] dst_alloc+0x97/0x150 [ 6705.014324][ T72] ip6_dst_alloc+0x23/0x90 [ 6705.014324][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6705.014324][ T72] ip6_pol_route+0x56f/0x840 [ 6705.014324][ T72] fib6_rule_lookup+0x456/0x630 [ 6705.014324][ T72] ip6_route_input+0x59c/0xa50 [ 6705.014324][ T72] ipv6_rcv+0x397/0x810 [ 6705.014324][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6705.014324][ T72] process_backlog+0x101/0x620 [ 6705.014324][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6705.014324][ T72] net_rx_action+0x495/0xbe0 [ 6705.014324][ T72] __do_softirq+0x1b5/0x7f6 [ 6705.014324][ T72] [ 6705.015908][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6705.015908][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.015908][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.015908][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.015908][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6705.015908][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6705.015908][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6705.015908][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6705.015908][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6705.015908][ T72] addrconf_dad_begin+0x310/0x670 [ 6705.015908][ T72] addrconf_dad_work+0x10b/0xab0 [ 6705.015908][ T72] process_one_work+0x84d/0x18a0 [ 6705.015908][ T72] worker_thread+0x587/0xd30 [ 6705.015908][ T72] kthread+0x28a/0x350 [ 6705.015908][ T72] ret_from_fork+0x31/0x70 [ 6705.015908][ T72] ret_from_fork_asm+0x1a/0x30 [ 6705.015908][ T72] [ 6705.017804][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6705.017804][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.017804][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.017804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.017804][ T72] ip6_route_add+0x1c/0x140 [ 6705.017804][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6705.017804][ T72] inet6_addr_add+0x4f8/0xa40 [ 6705.017804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.017804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.017804][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.017804][ T72] netlink_unicast+0x449/0x710 [ 6705.017804][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.017804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.017804][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.017804][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.017804][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.017804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.017804][ T72] [ 6705.019837][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6705.019837][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.019837][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.019837][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.019837][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6705.019837][ T72] ipv6_add_addr+0x411/0x2000 [ 6705.019837][ T72] inet6_addr_add+0x30e/0xa40 [ 6705.019837][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.019837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.019837][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.019837][ T72] netlink_unicast+0x449/0x710 [ 6705.019837][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.019837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.019837][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.019837][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.019837][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.019837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.019837][ T72] [ 6705.021877][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6705.021877][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.021877][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.021877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.021877][ T72] ip6_route_add+0x1c/0x140 [ 6705.021877][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6705.021877][ T72] addrconf_add_dev+0xe2/0x170 [ 6705.021877][ T72] inet6_addr_add+0x12f/0xa40 [ 6705.021877][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.021877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.021877][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.021877][ T72] netlink_unicast+0x449/0x710 [ 6705.021877][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.021877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.021877][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.021877][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.021877][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.021877][ T72] [ 6705.023835][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6705.023835][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6705.023835][ T72] ipv6_find_idev+0x102/0x170 [ 6705.023835][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.023835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.023835][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.023835][ T72] netlink_unicast+0x449/0x710 [ 6705.023835][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.023835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.023835][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.023835][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.023835][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.023835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.023835][ T72] [ 6705.025333][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6705.025333][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6705.025333][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6705.025333][ T72] ipv6_find_idev+0x102/0x170 [ 6705.025333][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.025333][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.025333][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.025333][ T72] netlink_unicast+0x449/0x710 [ 6705.025333][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.025333][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.025333][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.025333][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.025333][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.025333][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.025333][ T72] [ 6705.027186][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6705.027461][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6705.027461][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6705.027461][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6705.027461][ T72] fib6_nh_init+0xa22/0x1580 [ 6705.027461][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.027461][ T72] ip6_route_add+0x1c/0x140 [ 6705.027461][ T72] inet6_rtm_newroute+0x104/0x110 [ 6705.027461][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.027461][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.027461][ T72] netlink_unicast+0x449/0x710 [ 6705.027461][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.027461][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.027461][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.027461][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.027461][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.027461][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.027461][ T72] [ 6705.029606][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6705.029606][ T72] dst_init+0x84/0x4a0 [ 6705.029606][ T72] dst_alloc+0x97/0x150 [ 6705.029606][ T72] ip6_dst_alloc+0x23/0x90 [ 6705.029606][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6705.029606][ T72] ip6_pol_route+0x56f/0x840 [ 6705.029606][ T72] fib6_rule_lookup+0x456/0x630 [ 6705.029606][ T72] ip6_route_input+0x59c/0xa50 [ 6705.029606][ T72] ipv6_rcv+0x397/0x810 [ 6705.029606][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6705.029606][ T72] process_backlog+0x101/0x620 [ 6705.029606][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6705.029606][ T72] net_rx_action+0x495/0xbe0 [ 6705.029606][ T72] __do_softirq+0x1b5/0x7f6 [ 6705.029606][ T72] [ 6705.031455][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6705.031455][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.031455][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.031455][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.031455][ T72] ip6_route_add+0x1c/0x140 [ 6705.031455][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6705.031455][ T72] inet6_addr_add+0x4f8/0xa40 [ 6705.031455][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.031455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.031455][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.031455][ T72] netlink_unicast+0x449/0x710 [ 6705.031455][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.031455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.031455][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.031455][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.031455][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.031455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.031455][ T72] [ 6705.033646][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6705.033646][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.033646][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.033646][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.033646][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6705.033646][ T72] ipv6_add_addr+0x411/0x2000 [ 6705.033646][ T72] inet6_addr_add+0x30e/0xa40 [ 6705.033646][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.033646][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.033646][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.033646][ T72] netlink_unicast+0x449/0x710 [ 6705.033646][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.033646][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.033646][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.033646][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.033646][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.033646][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.033646][ T72] [ 6705.035851][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6705.035851][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.035851][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.035851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.035851][ T72] ip6_route_add+0x1c/0x140 [ 6705.035851][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6705.035851][ T72] addrconf_add_dev+0xe2/0x170 [ 6705.035851][ T72] inet6_addr_add+0x12f/0xa40 [ 6705.035851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.035851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.035851][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.035851][ T72] netlink_unicast+0x449/0x710 [ 6705.035851][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.035851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.035851][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.035851][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.035851][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.035851][ T72] [ 6705.038155][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6705.038155][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6705.038155][ T72] ipv6_find_idev+0x102/0x170 [ 6705.038155][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.038155][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.038155][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.038155][ T72] netlink_unicast+0x449/0x710 [ 6705.038155][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.038155][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.038155][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.038155][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.038155][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.038155][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.038155][ T72] [ 6705.039889][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6705.039889][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6705.039889][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6705.039889][ T72] ipv6_find_idev+0x102/0x170 [ 6705.039889][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.039889][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.039889][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.039889][ T72] netlink_unicast+0x449/0x710 [ 6705.039889][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.039889][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.039889][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.039889][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.039889][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.039889][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.039889][ T72] [ 6705.041739][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6705.042529][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6705.042529][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.042529][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.042529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.042529][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6705.042529][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6705.042529][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6705.042529][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6705.042529][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6705.042529][ T72] addrconf_dad_begin+0x310/0x670 [ 6705.042529][ T72] addrconf_dad_work+0x10b/0xab0 [ 6705.042529][ T72] process_one_work+0x84d/0x18a0 [ 6705.042529][ T72] worker_thread+0x587/0xd30 [ 6705.042529][ T72] kthread+0x28a/0x350 [ 6705.042529][ T72] ret_from_fork+0x31/0x70 [ 6705.042529][ T72] ret_from_fork_asm+0x1a/0x30 [ 6705.042529][ T72] [ 6705.044413][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6705.044413][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.044413][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.044413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.044413][ T72] ip6_route_add+0x1c/0x140 [ 6705.044413][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6705.044413][ T72] inet6_addr_add+0x4f8/0xa40 [ 6705.044413][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.044413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.044413][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.044413][ T72] netlink_unicast+0x449/0x710 [ 6705.044413][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.044413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.044413][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.044413][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.044413][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.044413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.044413][ T72] [ 6705.046473][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6705.046473][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.046473][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.046473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.046473][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6705.046473][ T72] ipv6_add_addr+0x411/0x2000 [ 6705.046473][ T72] inet6_addr_add+0x30e/0xa40 [ 6705.046473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.046473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.046473][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.046473][ T72] netlink_unicast+0x449/0x710 [ 6705.046473][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.046473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.046473][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.046473][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.046473][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.046473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.046473][ T72] [ 6705.048735][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6705.048735][ T72] netdev_get_by_index+0x5e/0x80 [ 6705.048735][ T72] fib6_nh_init+0x3d8/0x1580 [ 6705.048735][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6705.048735][ T72] ip6_route_add+0x1c/0x140 [ 6705.048735][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6705.048735][ T72] addrconf_add_dev+0xe2/0x170 [ 6705.048735][ T72] inet6_addr_add+0x12f/0xa40 [ 6705.048735][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.048735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.048735][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.048735][ T72] netlink_unicast+0x449/0x710 [ 6705.048735][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.048735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.048735][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.048735][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.048735][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.048735][ T72] [ 6705.051043][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6705.051043][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6705.051043][ T72] ipv6_find_idev+0x102/0x170 [ 6705.051043][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.051043][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.051043][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.051043][ T72] netlink_unicast+0x449/0x710 [ 6705.051043][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.051043][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.051043][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.051043][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.051043][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.051043][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.051043][ T72] [ 6705.052755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6705.052755][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6705.052755][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6705.052755][ T72] ipv6_find_idev+0x102/0x170 [ 6705.052755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.052755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.052755][ T72] netlink_rcv_skb+0x130/0x360 [ 6705.052755][ T72] netlink_unicast+0x449/0x710 [ 6705.052755][ T72] netlink_sendmsg+0x723/0xbe0 [ 6705.052755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6705.052755][ T72] ___sys_sendmsg+0xee/0x170 [ 6705.052755][ T72] __sys_sendmsg+0xcd/0x170 [ 6705.052755][ T72] do_syscall_64+0xc6/0x1e0 [ 6705.052755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.052755][ T72] [ 6715.296972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6715.297543][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6715.297543][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6715.297543][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6715.297543][ T72] fib6_nh_init+0xa22/0x1580 [ 6715.297543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.297543][ T72] ip6_route_add+0x1c/0x140 [ 6715.297543][ T72] inet6_rtm_newroute+0x104/0x110 [ 6715.297543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.297543][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.297543][ T72] netlink_unicast+0x449/0x710 [ 6715.297543][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.297543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.297543][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.297543][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.297543][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.297543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.297543][ T72] [ 6715.299368][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6715.299368][ T72] dst_init+0x84/0x4a0 [ 6715.299368][ T72] dst_alloc+0x97/0x150 [ 6715.299368][ T72] ip6_dst_alloc+0x23/0x90 [ 6715.299368][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6715.299368][ T72] ip6_pol_route+0x56f/0x840 [ 6715.299368][ T72] fib6_rule_lookup+0x456/0x630 [ 6715.299368][ T72] ip6_route_input+0x59c/0xa50 [ 6715.299368][ T72] ipv6_rcv+0x397/0x810 [ 6715.299368][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6715.299368][ T72] process_backlog+0x101/0x620 [ 6715.299368][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6715.299368][ T72] net_rx_action+0x495/0xbe0 [ 6715.299368][ T72] __do_softirq+0x1b5/0x7f6 [ 6715.299368][ T72] [ 6715.300904][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6715.300904][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.300904][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.300904][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.300904][ T72] ip6_route_add+0x1c/0x140 [ 6715.300904][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6715.300904][ T72] inet6_addr_add+0x4f8/0xa40 [ 6715.300904][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.300904][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.300904][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.300904][ T72] netlink_unicast+0x449/0x710 [ 6715.300904][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.300904][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.300904][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.300904][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.300904][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.300904][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.300904][ T72] [ 6715.302783][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6715.302783][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.302783][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.302783][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.302783][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6715.302783][ T72] ipv6_add_addr+0x411/0x2000 [ 6715.302783][ T72] inet6_addr_add+0x30e/0xa40 [ 6715.302783][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.302783][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.302783][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.302783][ T72] netlink_unicast+0x449/0x710 [ 6715.302783][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.302783][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.302783][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.302783][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.302783][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.302783][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.302783][ T72] [ 6715.304789][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6715.304789][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.304789][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.304789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.304789][ T72] ip6_route_add+0x1c/0x140 [ 6715.304789][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6715.304789][ T72] addrconf_add_dev+0xe2/0x170 [ 6715.304789][ T72] inet6_addr_add+0x12f/0xa40 [ 6715.304789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.304789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.304789][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.304789][ T72] netlink_unicast+0x449/0x710 [ 6715.304789][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.304789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.304789][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.304789][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.304789][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.304789][ T72] [ 6715.306721][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6715.306721][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6715.306721][ T72] ipv6_find_idev+0x102/0x170 [ 6715.306721][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.306721][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.306721][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.306721][ T72] netlink_unicast+0x449/0x710 [ 6715.306721][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.306721][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.306721][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.306721][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.306721][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.306721][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.306721][ T72] [ 6715.308273][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6715.308273][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6715.308273][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6715.308273][ T72] ipv6_find_idev+0x102/0x170 [ 6715.308273][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.308273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.308273][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.308273][ T72] netlink_unicast+0x449/0x710 [ 6715.308273][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.308273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.308273][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.308273][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.308273][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.308273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.308273][ T72] [ 6715.309901][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6715.310185][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6715.310185][ T72] dst_init+0x84/0x4a0 [ 6715.310185][ T72] dst_alloc+0x97/0x150 [ 6715.310185][ T72] ip6_dst_alloc+0x23/0x90 [ 6715.310185][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6715.310185][ T72] ip6_pol_route+0x56f/0x840 [ 6715.310185][ T72] fib6_rule_lookup+0x456/0x630 [ 6715.310185][ T72] ip6_route_input+0x59c/0xa50 [ 6715.310185][ T72] ipv6_rcv+0x397/0x810 [ 6715.310185][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6715.310185][ T72] process_backlog+0x101/0x620 [ 6715.310185][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6715.310185][ T72] net_rx_action+0x495/0xbe0 [ 6715.310185][ T72] __do_softirq+0x1b5/0x7f6 [ 6715.310185][ T72] [ 6715.311773][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6715.311773][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.311773][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.311773][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.311773][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6715.311773][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6715.311773][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6715.311773][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6715.311773][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6715.311773][ T72] addrconf_dad_begin+0x310/0x670 [ 6715.311773][ T72] addrconf_dad_work+0x10b/0xab0 [ 6715.311773][ T72] process_one_work+0x84d/0x18a0 [ 6715.311773][ T72] worker_thread+0x587/0xd30 [ 6715.311773][ T72] kthread+0x28a/0x350 [ 6715.311773][ T72] ret_from_fork+0x31/0x70 [ 6715.311773][ T72] ret_from_fork_asm+0x1a/0x30 [ 6715.311773][ T72] [ 6715.313603][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6715.313603][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.313603][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.313603][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.313603][ T72] ip6_route_add+0x1c/0x140 [ 6715.313603][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6715.313603][ T72] inet6_addr_add+0x4f8/0xa40 [ 6715.313603][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.313603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.313603][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.313603][ T72] netlink_unicast+0x449/0x710 [ 6715.313603][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.313603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.313603][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.313603][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.313603][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.313603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.313603][ T72] [ 6715.315561][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6715.315561][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.315561][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.315561][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.315561][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6715.315561][ T72] ipv6_add_addr+0x411/0x2000 [ 6715.315561][ T72] inet6_addr_add+0x30e/0xa40 [ 6715.315561][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.315561][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.315561][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.315561][ T72] netlink_unicast+0x449/0x710 [ 6715.315561][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.315561][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.315561][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.315561][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.315561][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.315561][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.315561][ T72] [ 6715.317542][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6715.317542][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.317542][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.317542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.317542][ T72] ip6_route_add+0x1c/0x140 [ 6715.317542][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6715.317542][ T72] addrconf_add_dev+0xe2/0x170 [ 6715.317542][ T72] inet6_addr_add+0x12f/0xa40 [ 6715.317542][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.317542][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.317542][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.317542][ T72] netlink_unicast+0x449/0x710 [ 6715.317542][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.317542][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.317542][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.317542][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.317542][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.317542][ T72] [ 6715.319496][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6715.319496][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6715.319496][ T72] ipv6_find_idev+0x102/0x170 [ 6715.319496][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.319496][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.319496][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.319496][ T72] netlink_unicast+0x449/0x710 [ 6715.319496][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.319496][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.319496][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.319496][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.319496][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.319496][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.319496][ T72] [ 6715.321003][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6715.321003][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6715.321003][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6715.321003][ T72] ipv6_find_idev+0x102/0x170 [ 6715.321003][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.321003][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.321003][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.321003][ T72] netlink_unicast+0x449/0x710 [ 6715.321003][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.321003][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.321003][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.321003][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.321003][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.321003][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.321003][ T72] [ 6715.322816][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6715.323100][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6715.323100][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6715.323100][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6715.323100][ T72] fib6_nh_init+0xa22/0x1580 [ 6715.323100][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.323100][ T72] ip6_route_add+0x1c/0x140 [ 6715.323100][ T72] inet6_rtm_newroute+0x104/0x110 [ 6715.323100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.323100][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.323100][ T72] netlink_unicast+0x449/0x710 [ 6715.323100][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.323100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.323100][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.323100][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.323100][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.323100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.323100][ T72] [ 6715.325192][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6715.325192][ T72] dst_init+0x84/0x4a0 [ 6715.325192][ T72] dst_alloc+0x97/0x150 [ 6715.325192][ T72] ip6_dst_alloc+0x23/0x90 [ 6715.325192][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6715.325192][ T72] ip6_pol_route+0x56f/0x840 [ 6715.325192][ T72] fib6_rule_lookup+0x456/0x630 [ 6715.325192][ T72] ip6_route_input+0x59c/0xa50 [ 6715.325192][ T72] ipv6_rcv+0x397/0x810 [ 6715.325192][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6715.325192][ T72] process_backlog+0x101/0x620 [ 6715.325192][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6715.325192][ T72] net_rx_action+0x495/0xbe0 [ 6715.325192][ T72] __do_softirq+0x1b5/0x7f6 [ 6715.325192][ T72] [ 6715.327046][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6715.327046][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.327046][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.327046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.327046][ T72] ip6_route_add+0x1c/0x140 [ 6715.327046][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6715.327046][ T72] inet6_addr_add+0x4f8/0xa40 [ 6715.327046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.327046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.327046][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.327046][ T72] netlink_unicast+0x449/0x710 [ 6715.327046][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.327046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.327046][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.327046][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.327046][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.327046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.327046][ T72] [ 6715.329266][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6715.329266][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.329266][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.329266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.329266][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6715.329266][ T72] ipv6_add_addr+0x411/0x2000 [ 6715.329266][ T72] inet6_addr_add+0x30e/0xa40 [ 6715.329266][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.329266][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.329266][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.329266][ T72] netlink_unicast+0x449/0x710 [ 6715.329266][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.329266][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.329266][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.329266][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.329266][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.329266][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.329266][ T72] [ 6715.331479][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6715.331479][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.331479][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.331479][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.331479][ T72] ip6_route_add+0x1c/0x140 [ 6715.331479][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6715.331479][ T72] addrconf_add_dev+0xe2/0x170 [ 6715.331479][ T72] inet6_addr_add+0x12f/0xa40 [ 6715.331479][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.331479][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.331479][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.331479][ T72] netlink_unicast+0x449/0x710 [ 6715.331479][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.331479][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.331479][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.331479][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.331479][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.331479][ T72] [ 6715.333780][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6715.333780][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6715.333780][ T72] ipv6_find_idev+0x102/0x170 [ 6715.333780][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.333780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.333780][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.333780][ T72] netlink_unicast+0x449/0x710 [ 6715.333780][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.333780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.333780][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.333780][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.333780][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.333780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.333780][ T72] [ 6715.335512][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6715.335512][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6715.335512][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6715.335512][ T72] ipv6_find_idev+0x102/0x170 [ 6715.335512][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.335512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.335512][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.335512][ T72] netlink_unicast+0x449/0x710 [ 6715.335512][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.335512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.335512][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.335512][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.335512][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.335512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.335512][ T72] [ 6715.337426][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6715.337766][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6715.337766][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.337766][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.337766][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.337766][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6715.337766][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6715.337766][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6715.337766][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6715.337766][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6715.337766][ T72] addrconf_dad_begin+0x310/0x670 [ 6715.337766][ T72] addrconf_dad_work+0x10b/0xab0 [ 6715.337766][ T72] process_one_work+0x84d/0x18a0 [ 6715.337766][ T72] worker_thread+0x587/0xd30 [ 6715.337766][ T72] kthread+0x28a/0x350 [ 6715.337766][ T72] ret_from_fork+0x31/0x70 [ 6715.337766][ T72] ret_from_fork_asm+0x1a/0x30 [ 6715.337766][ T72] [ 6715.339824][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6715.339824][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.339824][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.339824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.339824][ T72] ip6_route_add+0x1c/0x140 [ 6715.339824][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6715.339824][ T72] inet6_addr_add+0x4f8/0xa40 [ 6715.339824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.339824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.339824][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.339824][ T72] netlink_unicast+0x449/0x710 [ 6715.339824][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.339824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.339824][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.339824][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.339824][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.339824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.339824][ T72] [ 6715.342023][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6715.342023][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.342023][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.342023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.342023][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6715.342023][ T72] ipv6_add_addr+0x411/0x2000 [ 6715.342023][ T72] inet6_addr_add+0x30e/0xa40 [ 6715.342023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.342023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.342023][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.342023][ T72] netlink_unicast+0x449/0x710 [ 6715.342023][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.342023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.342023][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.342023][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.342023][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.342023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.342023][ T72] [ 6715.344353][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6715.344353][ T72] netdev_get_by_index+0x5e/0x80 [ 6715.344353][ T72] fib6_nh_init+0x3d8/0x1580 [ 6715.344353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6715.344353][ T72] ip6_route_add+0x1c/0x140 [ 6715.344353][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6715.344353][ T72] addrconf_add_dev+0xe2/0x170 [ 6715.344353][ T72] inet6_addr_add+0x12f/0xa40 [ 6715.344353][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.344353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.344353][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.344353][ T72] netlink_unicast+0x449/0x710 [ 6715.344353][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.344353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.344353][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.344353][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.344353][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.344353][ T72] [ 6715.346562][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6715.346562][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6715.346562][ T72] ipv6_find_idev+0x102/0x170 [ 6715.346562][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.346562][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.346562][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.346562][ T72] netlink_unicast+0x449/0x710 [ 6715.346562][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.346562][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.346562][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.346562][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.346562][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.346562][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.346562][ T72] [ 6715.348303][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6715.348303][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6715.348303][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6715.348303][ T72] ipv6_find_idev+0x102/0x170 [ 6715.348303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.348303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.348303][ T72] netlink_rcv_skb+0x130/0x360 [ 6715.348303][ T72] netlink_unicast+0x449/0x710 [ 6715.348303][ T72] netlink_sendmsg+0x723/0xbe0 [ 6715.348303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6715.348303][ T72] ___sys_sendmsg+0xee/0x170 [ 6715.348303][ T72] __sys_sendmsg+0xcd/0x170 [ 6715.348303][ T72] do_syscall_64+0xc6/0x1e0 [ 6715.348303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.348303][ T72] [ 6725.592987][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6725.593755][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6725.593755][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6725.593755][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6725.593755][ T72] fib6_nh_init+0xa22/0x1580 [ 6725.593755][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.593755][ T72] ip6_route_add+0x1c/0x140 [ 6725.593755][ T72] inet6_rtm_newroute+0x104/0x110 [ 6725.593755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.593755][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.593755][ T72] netlink_unicast+0x449/0x710 [ 6725.593755][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.593755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.593755][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.593755][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.593755][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.593755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.593755][ T72] [ 6725.595598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6725.595598][ T72] dst_init+0x84/0x4a0 [ 6725.595598][ T72] dst_alloc+0x97/0x150 [ 6725.595598][ T72] ip6_dst_alloc+0x23/0x90 [ 6725.595598][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6725.595598][ T72] ip6_pol_route+0x56f/0x840 [ 6725.595598][ T72] fib6_rule_lookup+0x456/0x630 [ 6725.595598][ T72] ip6_route_input+0x59c/0xa50 [ 6725.595598][ T72] ipv6_rcv+0x397/0x810 [ 6725.595598][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6725.595598][ T72] process_backlog+0x101/0x620 [ 6725.595598][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6725.595598][ T72] net_rx_action+0x495/0xbe0 [ 6725.595598][ T72] __do_softirq+0x1b5/0x7f6 [ 6725.595598][ T72] [ 6725.597215][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6725.597215][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.597215][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.597215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.597215][ T72] ip6_route_add+0x1c/0x140 [ 6725.597215][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6725.597215][ T72] inet6_addr_add+0x4f8/0xa40 [ 6725.597215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.597215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.597215][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.597215][ T72] netlink_unicast+0x449/0x710 [ 6725.597215][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.597215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.597215][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.597215][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.597215][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.597215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.597215][ T72] [ 6725.599149][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6725.599149][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.599149][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.599149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.599149][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6725.599149][ T72] ipv6_add_addr+0x411/0x2000 [ 6725.599149][ T72] inet6_addr_add+0x30e/0xa40 [ 6725.599149][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.599149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.599149][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.599149][ T72] netlink_unicast+0x449/0x710 [ 6725.599149][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.599149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.599149][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.599149][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.599149][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.599149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.599149][ T72] [ 6725.601119][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6725.601119][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.601119][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.601119][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.601119][ T72] ip6_route_add+0x1c/0x140 [ 6725.601119][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6725.601119][ T72] addrconf_add_dev+0xe2/0x170 [ 6725.601119][ T72] inet6_addr_add+0x12f/0xa40 [ 6725.601119][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.601119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.601119][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.601119][ T72] netlink_unicast+0x449/0x710 [ 6725.601119][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.601119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.601119][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.601119][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.601119][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.601119][ T72] [ 6725.603069][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6725.603069][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6725.603069][ T72] ipv6_find_idev+0x102/0x170 [ 6725.603069][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.603069][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.603069][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.603069][ T72] netlink_unicast+0x449/0x710 [ 6725.603069][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.603069][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.603069][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.603069][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.603069][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.603069][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.603069][ T72] [ 6725.604598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6725.604598][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6725.604598][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6725.604598][ T72] ipv6_find_idev+0x102/0x170 [ 6725.604598][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.604598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.604598][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.604598][ T72] netlink_unicast+0x449/0x710 [ 6725.604598][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.604598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.604598][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.604598][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.604598][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.604598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.604598][ T72] [ 6725.606269][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6725.606533][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6725.606533][ T72] dst_init+0x84/0x4a0 [ 6725.606533][ T72] dst_alloc+0x97/0x150 [ 6725.606533][ T72] ip6_dst_alloc+0x23/0x90 [ 6725.606533][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6725.606533][ T72] ip6_pol_route+0x56f/0x840 [ 6725.606533][ T72] fib6_rule_lookup+0x456/0x630 [ 6725.606533][ T72] ip6_route_input+0x59c/0xa50 [ 6725.606533][ T72] ipv6_rcv+0x397/0x810 [ 6725.606533][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6725.606533][ T72] process_backlog+0x101/0x620 [ 6725.606533][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6725.606533][ T72] net_rx_action+0x495/0xbe0 [ 6725.606533][ T72] __do_softirq+0x1b5/0x7f6 [ 6725.606533][ T72] [ 6725.608196][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6725.608196][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.608196][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.608196][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.608196][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6725.608196][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6725.608196][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6725.608196][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6725.608196][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6725.608196][ T72] addrconf_dad_begin+0x310/0x670 [ 6725.608196][ T72] addrconf_dad_work+0x10b/0xab0 [ 6725.608196][ T72] process_one_work+0x84d/0x18a0 [ 6725.608196][ T72] worker_thread+0x587/0xd30 [ 6725.608196][ T72] kthread+0x28a/0x350 [ 6725.608196][ T72] ret_from_fork+0x31/0x70 [ 6725.608196][ T72] ret_from_fork_asm+0x1a/0x30 [ 6725.608196][ T72] [ 6725.610104][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6725.610104][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.610104][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.610104][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.610104][ T72] ip6_route_add+0x1c/0x140 [ 6725.610104][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6725.610104][ T72] inet6_addr_add+0x4f8/0xa40 [ 6725.610104][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.610104][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.610104][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.610104][ T72] netlink_unicast+0x449/0x710 [ 6725.610104][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.610104][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.610104][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.610104][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.610104][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.610104][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.610104][ T72] [ 6725.612088][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6725.612088][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.612088][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.612088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.612088][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6725.612088][ T72] ipv6_add_addr+0x411/0x2000 [ 6725.612088][ T72] inet6_addr_add+0x30e/0xa40 [ 6725.612088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.612088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.612088][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.612088][ T72] netlink_unicast+0x449/0x710 [ 6725.612088][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.612088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.612088][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.612088][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.612088][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.612088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.612088][ T72] [ 6725.614029][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6725.614029][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.614029][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.614029][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.614029][ T72] ip6_route_add+0x1c/0x140 [ 6725.614029][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6725.614029][ T72] addrconf_add_dev+0xe2/0x170 [ 6725.614029][ T72] inet6_addr_add+0x12f/0xa40 [ 6725.614029][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.614029][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.614029][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.614029][ T72] netlink_unicast+0x449/0x710 [ 6725.614029][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.614029][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.614029][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.614029][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.614029][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.614029][ T72] [ 6725.615959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6725.615959][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6725.615959][ T72] ipv6_find_idev+0x102/0x170 [ 6725.615959][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.615959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.615959][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.615959][ T72] netlink_unicast+0x449/0x710 [ 6725.615959][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.615959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.615959][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.615959][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.615959][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.615959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.615959][ T72] [ 6725.617510][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6725.617510][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6725.617510][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6725.617510][ T72] ipv6_find_idev+0x102/0x170 [ 6725.617510][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.617510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.617510][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.617510][ T72] netlink_unicast+0x449/0x710 [ 6725.617510][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.617510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.617510][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.617510][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.617510][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.617510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.617510][ T72] [ 6725.619261][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6725.619592][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6725.619592][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6725.619592][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6725.619592][ T72] fib6_nh_init+0xa22/0x1580 [ 6725.619592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.619592][ T72] ip6_route_add+0x1c/0x140 [ 6725.619592][ T72] inet6_rtm_newroute+0x104/0x110 [ 6725.619592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.619592][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.619592][ T72] netlink_unicast+0x449/0x710 [ 6725.619592][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.619592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.619592][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.619592][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.619592][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.619592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.619592][ T72] [ 6725.621667][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6725.621667][ T72] dst_init+0x84/0x4a0 [ 6725.621667][ T72] dst_alloc+0x97/0x150 [ 6725.621667][ T72] ip6_dst_alloc+0x23/0x90 [ 6725.621667][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6725.621667][ T72] ip6_pol_route+0x56f/0x840 [ 6725.621667][ T72] fib6_rule_lookup+0x456/0x630 [ 6725.621667][ T72] ip6_route_input+0x59c/0xa50 [ 6725.621667][ T72] ipv6_rcv+0x397/0x810 [ 6725.621667][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6725.621667][ T72] process_backlog+0x101/0x620 [ 6725.621667][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6725.621667][ T72] net_rx_action+0x495/0xbe0 [ 6725.621667][ T72] __do_softirq+0x1b5/0x7f6 [ 6725.621667][ T72] [ 6725.623426][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6725.623426][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.623426][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.623426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.623426][ T72] ip6_route_add+0x1c/0x140 [ 6725.623426][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6725.623426][ T72] inet6_addr_add+0x4f8/0xa40 [ 6725.623426][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.623426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.623426][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.623426][ T72] netlink_unicast+0x449/0x710 [ 6725.623426][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.623426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.623426][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.623426][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.623426][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.623426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.623426][ T72] [ 6725.626107][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6725.626107][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.626107][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.626107][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.626107][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6725.626107][ T72] ipv6_add_addr+0x411/0x2000 [ 6725.626107][ T72] inet6_addr_add+0x30e/0xa40 [ 6725.626107][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.626107][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.626107][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.626107][ T72] netlink_unicast+0x449/0x710 [ 6725.626107][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.626107][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.626107][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.626107][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.626107][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.626107][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.626107][ T72] [ 6725.628274][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6725.628274][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.628274][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.628274][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.628274][ T72] ip6_route_add+0x1c/0x140 [ 6725.628274][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6725.628274][ T72] addrconf_add_dev+0xe2/0x170 [ 6725.628274][ T72] inet6_addr_add+0x12f/0xa40 [ 6725.628274][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.628274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.628274][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.628274][ T72] netlink_unicast+0x449/0x710 [ 6725.628274][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.628274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.628274][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.628274][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.628274][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.628274][ T72] [ 6725.630490][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6725.630490][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6725.630490][ T72] ipv6_find_idev+0x102/0x170 [ 6725.630490][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.630490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.630490][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.630490][ T72] netlink_unicast+0x449/0x710 [ 6725.630490][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.630490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.630490][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.630490][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.630490][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.630490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.630490][ T72] [ 6725.632202][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6725.632202][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6725.632202][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6725.632202][ T72] ipv6_find_idev+0x102/0x170 [ 6725.632202][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.632202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.632202][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.632202][ T72] netlink_unicast+0x449/0x710 [ 6725.632202][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.632202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.632202][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.632202][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.632202][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.632202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.632202][ T72] [ 6725.665075][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6725.665369][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6725.665369][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.665369][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.665369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.665369][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6725.665369][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6725.665369][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6725.665369][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6725.665369][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6725.665369][ T72] addrconf_dad_begin+0x310/0x670 [ 6725.665369][ T72] addrconf_dad_work+0x10b/0xab0 [ 6725.665369][ T72] process_one_work+0x84d/0x18a0 [ 6725.665369][ T72] worker_thread+0x587/0xd30 [ 6725.665369][ T72] kthread+0x28a/0x350 [ 6725.665369][ T72] ret_from_fork+0x31/0x70 [ 6725.665369][ T72] ret_from_fork_asm+0x1a/0x30 [ 6725.665369][ T72] [ 6725.667528][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6725.667528][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.667528][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.667528][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.667528][ T72] ip6_route_add+0x1c/0x140 [ 6725.667528][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6725.667528][ T72] inet6_addr_add+0x4f8/0xa40 [ 6725.667528][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.667528][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.667528][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.667528][ T72] netlink_unicast+0x449/0x710 [ 6725.667528][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.667528][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.667528][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.667528][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.667528][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.667528][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.667528][ T72] [ 6725.669781][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6725.669781][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.669781][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.669781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.669781][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6725.669781][ T72] ipv6_add_addr+0x411/0x2000 [ 6725.669781][ T72] inet6_addr_add+0x30e/0xa40 [ 6725.669781][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.669781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.669781][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.669781][ T72] netlink_unicast+0x449/0x710 [ 6725.669781][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.669781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.669781][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.669781][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.669781][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.669781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.669781][ T72] [ 6725.672083][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6725.672083][ T72] netdev_get_by_index+0x5e/0x80 [ 6725.672083][ T72] fib6_nh_init+0x3d8/0x1580 [ 6725.672083][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6725.672083][ T72] ip6_route_add+0x1c/0x140 [ 6725.672083][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6725.672083][ T72] addrconf_add_dev+0xe2/0x170 [ 6725.672083][ T72] inet6_addr_add+0x12f/0xa40 [ 6725.672083][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.672083][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.672083][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.672083][ T72] netlink_unicast+0x449/0x710 [ 6725.672083][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.672083][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.672083][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.672083][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.672083][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.672083][ T72] [ 6725.674210][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6725.674210][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6725.674210][ T72] ipv6_find_idev+0x102/0x170 [ 6725.674210][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.674210][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.674210][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.674210][ T72] netlink_unicast+0x449/0x710 [ 6725.674210][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.674210][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.674210][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.674210][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.674210][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.674210][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.674210][ T72] [ 6725.675927][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6725.675927][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6725.675927][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6725.675927][ T72] ipv6_find_idev+0x102/0x170 [ 6725.675927][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.675927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.675927][ T72] netlink_rcv_skb+0x130/0x360 [ 6725.675927][ T72] netlink_unicast+0x449/0x710 [ 6725.675927][ T72] netlink_sendmsg+0x723/0xbe0 [ 6725.675927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6725.675927][ T72] ___sys_sendmsg+0xee/0x170 [ 6725.675927][ T72] __sys_sendmsg+0xcd/0x170 [ 6725.675927][ T72] do_syscall_64+0xc6/0x1e0 [ 6725.675927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.675927][ T72] [ 6735.760988][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6735.761624][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6735.761624][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6735.761624][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6735.761624][ T72] fib6_nh_init+0xa22/0x1580 [ 6735.761624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.761624][ T72] ip6_route_add+0x1c/0x140 [ 6735.761624][ T72] inet6_rtm_newroute+0x104/0x110 [ 6735.761624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.761624][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.761624][ T72] netlink_unicast+0x449/0x710 [ 6735.761624][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.761624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.761624][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.761624][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.761624][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.761624][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.761624][ T72] [ 6735.763466][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6735.763466][ T72] dst_init+0x84/0x4a0 [ 6735.763466][ T72] dst_alloc+0x97/0x150 [ 6735.763466][ T72] ip6_dst_alloc+0x23/0x90 [ 6735.763466][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6735.763466][ T72] ip6_pol_route+0x56f/0x840 [ 6735.763466][ T72] fib6_rule_lookup+0x456/0x630 [ 6735.763466][ T72] ip6_route_input+0x59c/0xa50 [ 6735.763466][ T72] ipv6_rcv+0x397/0x810 [ 6735.763466][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6735.763466][ T72] process_backlog+0x101/0x620 [ 6735.763466][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6735.763466][ T72] net_rx_action+0x495/0xbe0 [ 6735.763466][ T72] __do_softirq+0x1b5/0x7f6 [ 6735.763466][ T72] [ 6735.765075][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6735.765075][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.765075][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.765075][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.765075][ T72] ip6_route_add+0x1c/0x140 [ 6735.765075][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6735.765075][ T72] inet6_addr_add+0x4f8/0xa40 [ 6735.765075][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.765075][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.765075][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.765075][ T72] netlink_unicast+0x449/0x710 [ 6735.765075][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.765075][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.765075][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.765075][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.765075][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.765075][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.765075][ T72] [ 6735.767077][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6735.767077][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.767077][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.767077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.767077][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6735.767077][ T72] ipv6_add_addr+0x411/0x2000 [ 6735.767077][ T72] inet6_addr_add+0x30e/0xa40 [ 6735.767077][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.767077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.767077][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.767077][ T72] netlink_unicast+0x449/0x710 [ 6735.767077][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.767077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.767077][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.767077][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.767077][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.767077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.767077][ T72] [ 6735.769064][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6735.769064][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.769064][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.769064][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.769064][ T72] ip6_route_add+0x1c/0x140 [ 6735.769064][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6735.769064][ T72] addrconf_add_dev+0xe2/0x170 [ 6735.769064][ T72] inet6_addr_add+0x12f/0xa40 [ 6735.769064][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.769064][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.769064][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.769064][ T72] netlink_unicast+0x449/0x710 [ 6735.769064][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.769064][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.769064][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.769064][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.769064][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.769064][ T72] [ 6735.770965][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6735.770965][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6735.770965][ T72] ipv6_find_idev+0x102/0x170 [ 6735.770965][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.770965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.770965][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.770965][ T72] netlink_unicast+0x449/0x710 [ 6735.770965][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.770965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.770965][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.770965][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.770965][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.770965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.770965][ T72] [ 6735.772520][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6735.772520][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6735.772520][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6735.772520][ T72] ipv6_find_idev+0x102/0x170 [ 6735.772520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.772520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.772520][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.772520][ T72] netlink_unicast+0x449/0x710 [ 6735.772520][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.772520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.772520][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.772520][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.772520][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.772520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.772520][ T72] [ 6735.774162][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6735.774427][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6735.774427][ T72] dst_init+0x84/0x4a0 [ 6735.774427][ T72] dst_alloc+0x97/0x150 [ 6735.774427][ T72] ip6_dst_alloc+0x23/0x90 [ 6735.774427][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6735.774427][ T72] ip6_pol_route+0x56f/0x840 [ 6735.774427][ T72] fib6_rule_lookup+0x456/0x630 [ 6735.774427][ T72] ip6_route_input+0x59c/0xa50 [ 6735.774427][ T72] ipv6_rcv+0x397/0x810 [ 6735.774427][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6735.774427][ T72] process_backlog+0x101/0x620 [ 6735.774427][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6735.774427][ T72] net_rx_action+0x495/0xbe0 [ 6735.774427][ T72] __do_softirq+0x1b5/0x7f6 [ 6735.774427][ T72] [ 6735.776019][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6735.776019][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.776019][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.776019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.776019][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6735.776019][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6735.776019][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6735.776019][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6735.776019][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6735.776019][ T72] addrconf_dad_begin+0x310/0x670 [ 6735.776019][ T72] addrconf_dad_work+0x10b/0xab0 [ 6735.776019][ T72] process_one_work+0x84d/0x18a0 [ 6735.776019][ T72] worker_thread+0x587/0xd30 [ 6735.776019][ T72] kthread+0x28a/0x350 [ 6735.776019][ T72] ret_from_fork+0x31/0x70 [ 6735.776019][ T72] ret_from_fork_asm+0x1a/0x30 [ 6735.776019][ T72] [ 6735.777927][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6735.777927][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.777927][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.777927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.777927][ T72] ip6_route_add+0x1c/0x140 [ 6735.777927][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6735.777927][ T72] inet6_addr_add+0x4f8/0xa40 [ 6735.777927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.777927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.777927][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.777927][ T72] netlink_unicast+0x449/0x710 [ 6735.777927][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.777927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.777927][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.777927][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.777927][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.777927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.777927][ T72] [ 6735.779851][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6735.779851][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.779851][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.779851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.779851][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6735.779851][ T72] ipv6_add_addr+0x411/0x2000 [ 6735.779851][ T72] inet6_addr_add+0x30e/0xa40 [ 6735.779851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.779851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.779851][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.779851][ T72] netlink_unicast+0x449/0x710 [ 6735.779851][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.779851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.779851][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.779851][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.779851][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.779851][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.779851][ T72] [ 6735.781772][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6735.781772][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.781772][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.781772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.781772][ T72] ip6_route_add+0x1c/0x140 [ 6735.781772][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6735.781772][ T72] addrconf_add_dev+0xe2/0x170 [ 6735.781772][ T72] inet6_addr_add+0x12f/0xa40 [ 6735.781772][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.781772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.781772][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.781772][ T72] netlink_unicast+0x449/0x710 [ 6735.781772][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.781772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.781772][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.781772][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.781772][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.781772][ T72] [ 6735.783662][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6735.783662][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6735.783662][ T72] ipv6_find_idev+0x102/0x170 [ 6735.783662][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.783662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.783662][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.783662][ T72] netlink_unicast+0x449/0x710 [ 6735.783662][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.783662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.783662][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.783662][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.783662][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.783662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.783662][ T72] [ 6735.785195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6735.785195][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6735.785195][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6735.785195][ T72] ipv6_find_idev+0x102/0x170 [ 6735.785195][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.785195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.785195][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.785195][ T72] netlink_unicast+0x449/0x710 [ 6735.785195][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.785195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.785195][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.785195][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.785195][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.785195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.785195][ T72] [ 6735.786911][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6735.787257][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6735.787257][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6735.787257][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6735.787257][ T72] fib6_nh_init+0xa22/0x1580 [ 6735.787257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.787257][ T72] ip6_route_add+0x1c/0x140 [ 6735.787257][ T72] inet6_rtm_newroute+0x104/0x110 [ 6735.787257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.787257][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.787257][ T72] netlink_unicast+0x449/0x710 [ 6735.787257][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.787257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.787257][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.787257][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.787257][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.787257][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.787257][ T72] [ 6735.789340][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6735.789340][ T72] dst_init+0x84/0x4a0 [ 6735.789340][ T72] dst_alloc+0x97/0x150 [ 6735.789340][ T72] ip6_dst_alloc+0x23/0x90 [ 6735.789340][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6735.789340][ T72] ip6_pol_route+0x56f/0x840 [ 6735.789340][ T72] fib6_rule_lookup+0x456/0x630 [ 6735.789340][ T72] ip6_route_input+0x59c/0xa50 [ 6735.789340][ T72] ipv6_rcv+0x397/0x810 [ 6735.789340][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6735.789340][ T72] process_backlog+0x101/0x620 [ 6735.789340][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6735.789340][ T72] net_rx_action+0x495/0xbe0 [ 6735.789340][ T72] __do_softirq+0x1b5/0x7f6 [ 6735.789340][ T72] [ 6735.791131][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6735.791131][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.791131][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.791131][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.791131][ T72] ip6_route_add+0x1c/0x140 [ 6735.791131][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6735.791131][ T72] inet6_addr_add+0x4f8/0xa40 [ 6735.791131][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.791131][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.791131][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.791131][ T72] netlink_unicast+0x449/0x710 [ 6735.791131][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.791131][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.791131][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.791131][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.791131][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.791131][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.791131][ T72] [ 6735.793322][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6735.793322][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.793322][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.793322][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.793322][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6735.793322][ T72] ipv6_add_addr+0x411/0x2000 [ 6735.793322][ T72] inet6_addr_add+0x30e/0xa40 [ 6735.793322][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.793322][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.793322][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.793322][ T72] netlink_unicast+0x449/0x710 [ 6735.793322][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.793322][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.793322][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.793322][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.793322][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.793322][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.793322][ T72] [ 6735.795538][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6735.795538][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.795538][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.795538][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.795538][ T72] ip6_route_add+0x1c/0x140 [ 6735.795538][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6735.795538][ T72] addrconf_add_dev+0xe2/0x170 [ 6735.795538][ T72] inet6_addr_add+0x12f/0xa40 [ 6735.795538][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.795538][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.795538][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.795538][ T72] netlink_unicast+0x449/0x710 [ 6735.795538][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.795538][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.795538][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.795538][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.795538][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.795538][ T72] [ 6735.797801][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6735.797801][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6735.797801][ T72] ipv6_find_idev+0x102/0x170 [ 6735.797801][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.797801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.797801][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.797801][ T72] netlink_unicast+0x449/0x710 [ 6735.797801][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.797801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.797801][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.797801][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.797801][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.797801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.797801][ T72] [ 6735.799506][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6735.799506][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6735.799506][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6735.799506][ T72] ipv6_find_idev+0x102/0x170 [ 6735.799506][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.799506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.799506][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.799506][ T72] netlink_unicast+0x449/0x710 [ 6735.799506][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.799506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.799506][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.799506][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.799506][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.799506][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.799506][ T72] [ 6735.801363][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6735.801638][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6735.801638][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.801638][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.801638][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.801638][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6735.801638][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6735.801638][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6735.801638][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6735.801638][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6735.801638][ T72] addrconf_dad_begin+0x310/0x670 [ 6735.801638][ T72] addrconf_dad_work+0x10b/0xab0 [ 6735.801638][ T72] process_one_work+0x84d/0x18a0 [ 6735.801638][ T72] worker_thread+0x587/0xd30 [ 6735.801638][ T72] kthread+0x28a/0x350 [ 6735.801638][ T72] ret_from_fork+0x31/0x70 [ 6735.801638][ T72] ret_from_fork_asm+0x1a/0x30 [ 6735.801638][ T72] [ 6735.803780][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6735.803780][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.803780][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.803780][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.803780][ T72] ip6_route_add+0x1c/0x140 [ 6735.803780][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6735.803780][ T72] inet6_addr_add+0x4f8/0xa40 [ 6735.803780][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.803780][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.803780][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.803780][ T72] netlink_unicast+0x449/0x710 [ 6735.803780][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.803780][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.803780][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.803780][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.803780][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.803780][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.803780][ T72] [ 6735.805956][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6735.805956][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.805956][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.805956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.805956][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6735.805956][ T72] ipv6_add_addr+0x411/0x2000 [ 6735.805956][ T72] inet6_addr_add+0x30e/0xa40 [ 6735.805956][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.805956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.805956][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.805956][ T72] netlink_unicast+0x449/0x710 [ 6735.805956][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.805956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.805956][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.805956][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.805956][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.805956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.805956][ T72] [ 6735.808259][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6735.808259][ T72] netdev_get_by_index+0x5e/0x80 [ 6735.808259][ T72] fib6_nh_init+0x3d8/0x1580 [ 6735.808259][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6735.808259][ T72] ip6_route_add+0x1c/0x140 [ 6735.808259][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6735.808259][ T72] addrconf_add_dev+0xe2/0x170 [ 6735.808259][ T72] inet6_addr_add+0x12f/0xa40 [ 6735.808259][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6735.808259][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.808259][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.808259][ T72] netlink_unicast+0x449/0x710 [ 6735.808259][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.808259][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.808259][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.808259][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.808259][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.808259][ T72] [ 6735.810363][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6735.810363][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6735.810363][ T72] ipv6_find_idev+0x102/0x170 [ 6735.810363][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.810363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.810363][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.810363][ T72] netlink_unicast+0x449/0x710 [ 6735.810363][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.810363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.810363][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.810363][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.810363][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.810363][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.810363][ T72] [ 6735.812049][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6735.812049][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6735.812049][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6735.812049][ T72] ipv6_find_idev+0x102/0x170 [ 6735.812049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6735.812049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6735.812049][ T72] netlink_rcv_skb+0x130/0x360 [ 6735.812049][ T72] netlink_unicast+0x449/0x710 [ 6735.812049][ T72] netlink_sendmsg+0x723/0xbe0 [ 6735.812049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6735.812049][ T72] ___sys_sendmsg+0xee/0x170 [ 6735.812049][ T72] __sys_sendmsg+0xcd/0x170 [ 6735.812049][ T72] do_syscall_64+0xc6/0x1e0 [ 6735.812049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6735.812049][ T72] [ 6745.816995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6745.817703][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6745.817703][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6745.817703][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6745.817703][ T72] fib6_nh_init+0xa22/0x1580 [ 6745.817703][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.817703][ T72] ip6_route_add+0x1c/0x140 [ 6745.817703][ T72] inet6_rtm_newroute+0x104/0x110 [ 6745.817703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.817703][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.817703][ T72] netlink_unicast+0x449/0x710 [ 6745.817703][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.817703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.817703][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.817703][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.817703][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.817703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.817703][ T72] [ 6745.819590][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6745.819590][ T72] dst_init+0x84/0x4a0 [ 6745.819590][ T72] dst_alloc+0x97/0x150 [ 6745.819590][ T72] ip6_dst_alloc+0x23/0x90 [ 6745.819590][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6745.819590][ T72] ip6_pol_route+0x56f/0x840 [ 6745.819590][ T72] fib6_rule_lookup+0x456/0x630 [ 6745.819590][ T72] ip6_route_input+0x59c/0xa50 [ 6745.819590][ T72] ipv6_rcv+0x397/0x810 [ 6745.819590][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6745.819590][ T72] process_backlog+0x101/0x620 [ 6745.819590][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6745.819590][ T72] net_rx_action+0x495/0xbe0 [ 6745.819590][ T72] __do_softirq+0x1b5/0x7f6 [ 6745.819590][ T72] [ 6745.821188][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6745.821188][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.821188][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.821188][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.821188][ T72] ip6_route_add+0x1c/0x140 [ 6745.821188][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6745.821188][ T72] inet6_addr_add+0x4f8/0xa40 [ 6745.821188][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.821188][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.821188][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.821188][ T72] netlink_unicast+0x449/0x710 [ 6745.821188][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.821188][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.821188][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.821188][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.821188][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.821188][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.821188][ T72] [ 6745.823126][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6745.823126][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.823126][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.823126][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.823126][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6745.823126][ T72] ipv6_add_addr+0x411/0x2000 [ 6745.823126][ T72] inet6_addr_add+0x30e/0xa40 [ 6745.823126][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.823126][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.823126][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.823126][ T72] netlink_unicast+0x449/0x710 [ 6745.823126][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.823126][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.823126][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.823126][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.823126][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.823126][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.823126][ T72] [ 6745.825063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6745.825063][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.825063][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.825063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.825063][ T72] ip6_route_add+0x1c/0x140 [ 6745.825063][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6745.825063][ T72] addrconf_add_dev+0xe2/0x170 [ 6745.825063][ T72] inet6_addr_add+0x12f/0xa40 [ 6745.825063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.825063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.825063][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.825063][ T72] netlink_unicast+0x449/0x710 [ 6745.825063][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.825063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.825063][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.825063][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.825063][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.825063][ T72] [ 6745.826980][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6745.826980][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6745.826980][ T72] ipv6_find_idev+0x102/0x170 [ 6745.826980][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.826980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.826980][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.826980][ T72] netlink_unicast+0x449/0x710 [ 6745.826980][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.826980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.826980][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.826980][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.826980][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.826980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.826980][ T72] [ 6745.828483][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6745.828483][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6745.828483][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6745.828483][ T72] ipv6_find_idev+0x102/0x170 [ 6745.828483][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.828483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.828483][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.828483][ T72] netlink_unicast+0x449/0x710 [ 6745.828483][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.828483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.828483][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.828483][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.828483][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.828483][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.828483][ T72] [ 6745.830120][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6745.830392][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6745.830392][ T72] dst_init+0x84/0x4a0 [ 6745.830392][ T72] dst_alloc+0x97/0x150 [ 6745.830392][ T72] ip6_dst_alloc+0x23/0x90 [ 6745.830392][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6745.830392][ T72] ip6_pol_route+0x56f/0x840 [ 6745.830392][ T72] fib6_rule_lookup+0x456/0x630 [ 6745.830392][ T72] ip6_route_input+0x59c/0xa50 [ 6745.830392][ T72] ipv6_rcv+0x397/0x810 [ 6745.830392][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6745.830392][ T72] process_backlog+0x101/0x620 [ 6745.830392][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6745.830392][ T72] net_rx_action+0x495/0xbe0 [ 6745.830392][ T72] __do_softirq+0x1b5/0x7f6 [ 6745.830392][ T72] [ 6745.831983][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6745.831983][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.831983][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.831983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.831983][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6745.831983][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6745.831983][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6745.831983][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6745.831983][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6745.831983][ T72] addrconf_dad_begin+0x310/0x670 [ 6745.831983][ T72] addrconf_dad_work+0x10b/0xab0 [ 6745.831983][ T72] process_one_work+0x84d/0x18a0 [ 6745.831983][ T72] worker_thread+0x587/0xd30 [ 6745.831983][ T72] kthread+0x28a/0x350 [ 6745.831983][ T72] ret_from_fork+0x31/0x70 [ 6745.831983][ T72] ret_from_fork_asm+0x1a/0x30 [ 6745.831983][ T72] [ 6745.833888][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6745.833888][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.833888][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.833888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.833888][ T72] ip6_route_add+0x1c/0x140 [ 6745.833888][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6745.833888][ T72] inet6_addr_add+0x4f8/0xa40 [ 6745.833888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.833888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.833888][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.833888][ T72] netlink_unicast+0x449/0x710 [ 6745.833888][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.833888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.833888][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.833888][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.833888][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.833888][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.833888][ T72] [ 6745.835824][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6745.835824][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.835824][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.835824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.835824][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6745.835824][ T72] ipv6_add_addr+0x411/0x2000 [ 6745.835824][ T72] inet6_addr_add+0x30e/0xa40 [ 6745.835824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.835824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.835824][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.835824][ T72] netlink_unicast+0x449/0x710 [ 6745.835824][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.835824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.835824][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.835824][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.835824][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.835824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.835824][ T72] [ 6745.837767][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6745.837767][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.837767][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.837767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.837767][ T72] ip6_route_add+0x1c/0x140 [ 6745.837767][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6745.837767][ T72] addrconf_add_dev+0xe2/0x170 [ 6745.837767][ T72] inet6_addr_add+0x12f/0xa40 [ 6745.837767][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.837767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.837767][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.837767][ T72] netlink_unicast+0x449/0x710 [ 6745.837767][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.837767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.837767][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.837767][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.837767][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.837767][ T72] [ 6745.839680][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6745.839680][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6745.839680][ T72] ipv6_find_idev+0x102/0x170 [ 6745.839680][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.839680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.839680][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.839680][ T72] netlink_unicast+0x449/0x710 [ 6745.839680][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.839680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.839680][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.839680][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.839680][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.839680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.839680][ T72] [ 6745.841224][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6745.841224][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6745.841224][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6745.841224][ T72] ipv6_find_idev+0x102/0x170 [ 6745.841224][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.841224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.841224][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.841224][ T72] netlink_unicast+0x449/0x710 [ 6745.841224][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.841224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.841224][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.841224][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.841224][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.841224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.841224][ T72] [ 6745.842914][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6745.843234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6745.843234][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6745.843234][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6745.843234][ T72] fib6_nh_init+0xa22/0x1580 [ 6745.843234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.843234][ T72] ip6_route_add+0x1c/0x140 [ 6745.843234][ T72] inet6_rtm_newroute+0x104/0x110 [ 6745.843234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.843234][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.843234][ T72] netlink_unicast+0x449/0x710 [ 6745.843234][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.843234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.843234][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.843234][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.843234][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.843234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.843234][ T72] [ 6745.845343][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6745.845343][ T72] dst_init+0x84/0x4a0 [ 6745.845343][ T72] dst_alloc+0x97/0x150 [ 6745.845343][ T72] ip6_dst_alloc+0x23/0x90 [ 6745.845343][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6745.845343][ T72] ip6_pol_route+0x56f/0x840 [ 6745.845343][ T72] fib6_rule_lookup+0x456/0x630 [ 6745.845343][ T72] ip6_route_input+0x59c/0xa50 [ 6745.845343][ T72] ipv6_rcv+0x397/0x810 [ 6745.845343][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6745.845343][ T72] process_backlog+0x101/0x620 [ 6745.845343][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6745.845343][ T72] net_rx_action+0x495/0xbe0 [ 6745.845343][ T72] __do_softirq+0x1b5/0x7f6 [ 6745.845343][ T72] [ 6745.847140][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6745.847140][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.847140][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.847140][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.847140][ T72] ip6_route_add+0x1c/0x140 [ 6745.847140][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6745.847140][ T72] inet6_addr_add+0x4f8/0xa40 [ 6745.847140][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.847140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.847140][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.847140][ T72] netlink_unicast+0x449/0x710 [ 6745.847140][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.847140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.847140][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.847140][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.847140][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.847140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.847140][ T72] [ 6745.849356][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6745.849356][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.849356][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.849356][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.849356][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6745.849356][ T72] ipv6_add_addr+0x411/0x2000 [ 6745.849356][ T72] inet6_addr_add+0x30e/0xa40 [ 6745.849356][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.849356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.849356][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.849356][ T72] netlink_unicast+0x449/0x710 [ 6745.849356][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.849356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.849356][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.849356][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.849356][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.849356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.849356][ T72] [ 6745.851619][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6745.851619][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.851619][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.851619][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.851619][ T72] ip6_route_add+0x1c/0x140 [ 6745.851619][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6745.851619][ T72] addrconf_add_dev+0xe2/0x170 [ 6745.851619][ T72] inet6_addr_add+0x12f/0xa40 [ 6745.851619][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.851619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.851619][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.851619][ T72] netlink_unicast+0x449/0x710 [ 6745.851619][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.851619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.851619][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.851619][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.851619][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.851619][ T72] [ 6745.853893][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6745.853893][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6745.853893][ T72] ipv6_find_idev+0x102/0x170 [ 6745.853893][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.853893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.853893][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.853893][ T72] netlink_unicast+0x449/0x710 [ 6745.853893][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.853893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.853893][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.853893][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.853893][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.853893][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.853893][ T72] [ 6745.855572][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6745.855572][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6745.855572][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6745.855572][ T72] ipv6_find_idev+0x102/0x170 [ 6745.855572][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.855572][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.855572][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.855572][ T72] netlink_unicast+0x449/0x710 [ 6745.855572][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.855572][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.855572][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.855572][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.855572][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.855572][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.855572][ T72] [ 6745.857417][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6745.857696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6745.857696][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.857696][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.857696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.857696][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6745.857696][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6745.857696][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6745.857696][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6745.857696][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6745.857696][ T72] addrconf_dad_begin+0x310/0x670 [ 6745.857696][ T72] addrconf_dad_work+0x10b/0xab0 [ 6745.857696][ T72] process_one_work+0x84d/0x18a0 [ 6745.857696][ T72] worker_thread+0x587/0xd30 [ 6745.857696][ T72] kthread+0x28a/0x350 [ 6745.857696][ T72] ret_from_fork+0x31/0x70 [ 6745.857696][ T72] ret_from_fork_asm+0x1a/0x30 [ 6745.857696][ T72] [ 6745.859864][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6745.859864][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.859864][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.859864][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.859864][ T72] ip6_route_add+0x1c/0x140 [ 6745.859864][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6745.859864][ T72] inet6_addr_add+0x4f8/0xa40 [ 6745.859864][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.859864][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.859864][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.859864][ T72] netlink_unicast+0x449/0x710 [ 6745.859864][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.859864][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.859864][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.859864][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.859864][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.859864][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.859864][ T72] [ 6745.862089][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6745.862089][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.862089][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.862089][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.862089][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6745.862089][ T72] ipv6_add_addr+0x411/0x2000 [ 6745.862089][ T72] inet6_addr_add+0x30e/0xa40 [ 6745.862089][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.862089][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.862089][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.862089][ T72] netlink_unicast+0x449/0x710 [ 6745.862089][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.862089][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.862089][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.862089][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.862089][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.862089][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.862089][ T72] [ 6745.864914][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6745.864914][ T72] netdev_get_by_index+0x5e/0x80 [ 6745.864914][ T72] fib6_nh_init+0x3d8/0x1580 [ 6745.864914][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6745.864914][ T72] ip6_route_add+0x1c/0x140 [ 6745.864914][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6745.864914][ T72] addrconf_add_dev+0xe2/0x170 [ 6745.864914][ T72] inet6_addr_add+0x12f/0xa40 [ 6745.864914][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6745.864914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.864914][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.864914][ T72] netlink_unicast+0x449/0x710 [ 6745.864914][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.864914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.864914][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.864914][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.864914][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.864914][ T72] [ 6745.867052][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6745.867052][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6745.867052][ T72] ipv6_find_idev+0x102/0x170 [ 6745.867052][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.867052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.867052][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.867052][ T72] netlink_unicast+0x449/0x710 [ 6745.867052][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.867052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.867052][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.867052][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.867052][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.867052][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.867052][ T72] [ 6745.868755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6745.868755][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6745.868755][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6745.868755][ T72] ipv6_find_idev+0x102/0x170 [ 6745.868755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6745.868755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6745.868755][ T72] netlink_rcv_skb+0x130/0x360 [ 6745.868755][ T72] netlink_unicast+0x449/0x710 [ 6745.868755][ T72] netlink_sendmsg+0x723/0xbe0 [ 6745.868755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6745.868755][ T72] ___sys_sendmsg+0xee/0x170 [ 6745.868755][ T72] __sys_sendmsg+0xcd/0x170 [ 6745.868755][ T72] do_syscall_64+0xc6/0x1e0 [ 6745.868755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6745.868755][ T72] [ 6756.112995][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6756.113621][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6756.113621][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6756.113621][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6756.113621][ T72] fib6_nh_init+0xa22/0x1580 [ 6756.113621][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.113621][ T72] ip6_route_add+0x1c/0x140 [ 6756.113621][ T72] inet6_rtm_newroute+0x104/0x110 [ 6756.113621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.113621][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.113621][ T72] netlink_unicast+0x449/0x710 [ 6756.113621][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.113621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.113621][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.113621][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.113621][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.113621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.113621][ T72] [ 6756.115467][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6756.115467][ T72] dst_init+0x84/0x4a0 [ 6756.115467][ T72] dst_alloc+0x97/0x150 [ 6756.115467][ T72] ip6_dst_alloc+0x23/0x90 [ 6756.115467][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6756.115467][ T72] ip6_pol_route+0x56f/0x840 [ 6756.115467][ T72] fib6_rule_lookup+0x456/0x630 [ 6756.115467][ T72] ip6_route_input+0x59c/0xa50 [ 6756.115467][ T72] ipv6_rcv+0x397/0x810 [ 6756.115467][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6756.115467][ T72] process_backlog+0x101/0x620 [ 6756.115467][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6756.115467][ T72] net_rx_action+0x495/0xbe0 [ 6756.115467][ T72] __do_softirq+0x1b5/0x7f6 [ 6756.115467][ T72] [ 6756.117078][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6756.117078][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.117078][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.117078][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.117078][ T72] ip6_route_add+0x1c/0x140 [ 6756.117078][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6756.117078][ T72] inet6_addr_add+0x4f8/0xa40 [ 6756.117078][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.117078][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.117078][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.117078][ T72] netlink_unicast+0x449/0x710 [ 6756.117078][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.117078][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.117078][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.117078][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.117078][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.117078][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.117078][ T72] [ 6756.119053][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6756.119053][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.119053][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.119053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.119053][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6756.119053][ T72] ipv6_add_addr+0x411/0x2000 [ 6756.119053][ T72] inet6_addr_add+0x30e/0xa40 [ 6756.119053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.119053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.119053][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.119053][ T72] netlink_unicast+0x449/0x710 [ 6756.119053][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.119053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.119053][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.119053][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.119053][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.119053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.119053][ T72] [ 6756.121030][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6756.121030][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.121030][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.121030][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.121030][ T72] ip6_route_add+0x1c/0x140 [ 6756.121030][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6756.121030][ T72] addrconf_add_dev+0xe2/0x170 [ 6756.121030][ T72] inet6_addr_add+0x12f/0xa40 [ 6756.121030][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.121030][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.121030][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.121030][ T72] netlink_unicast+0x449/0x710 [ 6756.121030][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.121030][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.121030][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.121030][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.121030][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.121030][ T72] [ 6756.122977][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6756.122977][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6756.122977][ T72] ipv6_find_idev+0x102/0x170 [ 6756.122977][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.122977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.122977][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.122977][ T72] netlink_unicast+0x449/0x710 [ 6756.122977][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.122977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.122977][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.122977][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.122977][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.122977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.122977][ T72] [ 6756.124490][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6756.124490][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6756.124490][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6756.124490][ T72] ipv6_find_idev+0x102/0x170 [ 6756.124490][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.124490][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.124490][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.124490][ T72] netlink_unicast+0x449/0x710 [ 6756.124490][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.124490][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.124490][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.124490][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.124490][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.124490][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.124490][ T72] [ 6756.126156][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6756.126423][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6756.126423][ T72] dst_init+0x84/0x4a0 [ 6756.126423][ T72] dst_alloc+0x97/0x150 [ 6756.126423][ T72] ip6_dst_alloc+0x23/0x90 [ 6756.126423][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6756.126423][ T72] ip6_pol_route+0x56f/0x840 [ 6756.126423][ T72] fib6_rule_lookup+0x456/0x630 [ 6756.126423][ T72] ip6_route_input+0x59c/0xa50 [ 6756.126423][ T72] ipv6_rcv+0x397/0x810 [ 6756.126423][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6756.126423][ T72] process_backlog+0x101/0x620 [ 6756.126423][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6756.126423][ T72] net_rx_action+0x495/0xbe0 [ 6756.126423][ T72] __do_softirq+0x1b5/0x7f6 [ 6756.126423][ T72] [ 6756.128022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6756.128022][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.128022][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.128022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.128022][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6756.128022][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6756.128022][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6756.128022][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6756.128022][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6756.128022][ T72] addrconf_dad_begin+0x310/0x670 [ 6756.128022][ T72] addrconf_dad_work+0x10b/0xab0 [ 6756.128022][ T72] process_one_work+0x84d/0x18a0 [ 6756.128022][ T72] worker_thread+0x587/0xd30 [ 6756.128022][ T72] kthread+0x28a/0x350 [ 6756.128022][ T72] ret_from_fork+0x31/0x70 [ 6756.128022][ T72] ret_from_fork_asm+0x1a/0x30 [ 6756.128022][ T72] [ 6756.129876][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6756.129876][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.129876][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.129876][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.129876][ T72] ip6_route_add+0x1c/0x140 [ 6756.129876][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6756.129876][ T72] inet6_addr_add+0x4f8/0xa40 [ 6756.129876][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.129876][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.129876][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.129876][ T72] netlink_unicast+0x449/0x710 [ 6756.129876][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.129876][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.129876][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.129876][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.129876][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.129876][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.129876][ T72] [ 6756.131824][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6756.131824][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.131824][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.131824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.131824][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6756.131824][ T72] ipv6_add_addr+0x411/0x2000 [ 6756.131824][ T72] inet6_addr_add+0x30e/0xa40 [ 6756.131824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.131824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.131824][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.131824][ T72] netlink_unicast+0x449/0x710 [ 6756.131824][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.131824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.131824][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.131824][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.131824][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.131824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.131824][ T72] [ 6756.133816][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6756.133816][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.133816][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.133816][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.133816][ T72] ip6_route_add+0x1c/0x140 [ 6756.133816][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6756.133816][ T72] addrconf_add_dev+0xe2/0x170 [ 6756.133816][ T72] inet6_addr_add+0x12f/0xa40 [ 6756.133816][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.133816][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.133816][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.133816][ T72] netlink_unicast+0x449/0x710 [ 6756.133816][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.133816][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.133816][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.133816][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.133816][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.133816][ T72] [ 6756.135748][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6756.135748][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6756.135748][ T72] ipv6_find_idev+0x102/0x170 [ 6756.135748][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.135748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.135748][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.135748][ T72] netlink_unicast+0x449/0x710 [ 6756.135748][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.135748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.135748][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.135748][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.135748][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.135748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.135748][ T72] [ 6756.137303][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6756.137303][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6756.137303][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6756.137303][ T72] ipv6_find_idev+0x102/0x170 [ 6756.137303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.137303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.137303][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.137303][ T72] netlink_unicast+0x449/0x710 [ 6756.137303][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.137303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.137303][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.137303][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.137303][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.137303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.137303][ T72] [ 6756.139049][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6756.139375][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6756.139375][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6756.139375][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6756.139375][ T72] fib6_nh_init+0xa22/0x1580 [ 6756.139375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.139375][ T72] ip6_route_add+0x1c/0x140 [ 6756.139375][ T72] inet6_rtm_newroute+0x104/0x110 [ 6756.139375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.139375][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.139375][ T72] netlink_unicast+0x449/0x710 [ 6756.139375][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.139375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.139375][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.139375][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.139375][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.139375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.139375][ T72] [ 6756.141444][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6756.141444][ T72] dst_init+0x84/0x4a0 [ 6756.141444][ T72] dst_alloc+0x97/0x150 [ 6756.141444][ T72] ip6_dst_alloc+0x23/0x90 [ 6756.141444][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6756.141444][ T72] ip6_pol_route+0x56f/0x840 [ 6756.141444][ T72] fib6_rule_lookup+0x456/0x630 [ 6756.141444][ T72] ip6_route_input+0x59c/0xa50 [ 6756.141444][ T72] ipv6_rcv+0x397/0x810 [ 6756.141444][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6756.141444][ T72] process_backlog+0x101/0x620 [ 6756.141444][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6756.141444][ T72] net_rx_action+0x495/0xbe0 [ 6756.141444][ T72] __do_softirq+0x1b5/0x7f6 [ 6756.141444][ T72] [ 6756.143285][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6756.143285][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.143285][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.143285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.143285][ T72] ip6_route_add+0x1c/0x140 [ 6756.143285][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6756.143285][ T72] inet6_addr_add+0x4f8/0xa40 [ 6756.143285][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.143285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.143285][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.143285][ T72] netlink_unicast+0x449/0x710 [ 6756.143285][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.143285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.143285][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.143285][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.143285][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.143285][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.143285][ T72] [ 6756.145497][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6756.145497][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.145497][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.145497][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.145497][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6756.145497][ T72] ipv6_add_addr+0x411/0x2000 [ 6756.145497][ T72] inet6_addr_add+0x30e/0xa40 [ 6756.145497][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.145497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.145497][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.145497][ T72] netlink_unicast+0x449/0x710 [ 6756.145497][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.145497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.145497][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.145497][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.145497][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.145497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.145497][ T72] [ 6756.147685][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6756.147685][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.147685][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.147685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.147685][ T72] ip6_route_add+0x1c/0x140 [ 6756.147685][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6756.147685][ T72] addrconf_add_dev+0xe2/0x170 [ 6756.147685][ T72] inet6_addr_add+0x12f/0xa40 [ 6756.147685][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.147685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.147685][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.147685][ T72] netlink_unicast+0x449/0x710 [ 6756.147685][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.147685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.147685][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.147685][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.147685][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.147685][ T72] [ 6756.149930][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6756.149930][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6756.149930][ T72] ipv6_find_idev+0x102/0x170 [ 6756.149930][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.149930][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.149930][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.149930][ T72] netlink_unicast+0x449/0x710 [ 6756.149930][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.149930][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.149930][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.149930][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.149930][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.149930][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.149930][ T72] [ 6756.151651][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6756.151651][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6756.151651][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6756.151651][ T72] ipv6_find_idev+0x102/0x170 [ 6756.151651][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.151651][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.151651][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.151651][ T72] netlink_unicast+0x449/0x710 [ 6756.151651][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.151651][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.151651][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.151651][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.151651][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.151651][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.151651][ T72] [ 6756.153504][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6756.153777][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6756.153777][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.153777][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.153777][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.153777][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6756.153777][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6756.153777][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6756.153777][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6756.153777][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6756.153777][ T72] addrconf_dad_begin+0x310/0x670 [ 6756.153777][ T72] addrconf_dad_work+0x10b/0xab0 [ 6756.153777][ T72] process_one_work+0x84d/0x18a0 [ 6756.153777][ T72] worker_thread+0x587/0xd30 [ 6756.153777][ T72] kthread+0x28a/0x350 [ 6756.153777][ T72] ret_from_fork+0x31/0x70 [ 6756.153777][ T72] ret_from_fork_asm+0x1a/0x30 [ 6756.153777][ T72] [ 6756.155923][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6756.155923][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.155923][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.155923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.155923][ T72] ip6_route_add+0x1c/0x140 [ 6756.155923][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6756.155923][ T72] inet6_addr_add+0x4f8/0xa40 [ 6756.155923][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.155923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.155923][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.155923][ T72] netlink_unicast+0x449/0x710 [ 6756.155923][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.155923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.155923][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.155923][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.155923][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.155923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.155923][ T72] [ 6756.158143][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6756.158143][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.158143][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.158143][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.158143][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6756.158143][ T72] ipv6_add_addr+0x411/0x2000 [ 6756.158143][ T72] inet6_addr_add+0x30e/0xa40 [ 6756.158143][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.158143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.158143][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.158143][ T72] netlink_unicast+0x449/0x710 [ 6756.158143][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.158143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.158143][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.158143][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.158143][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.158143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.158143][ T72] [ 6756.160384][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6756.160384][ T72] netdev_get_by_index+0x5e/0x80 [ 6756.160384][ T72] fib6_nh_init+0x3d8/0x1580 [ 6756.160384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6756.160384][ T72] ip6_route_add+0x1c/0x140 [ 6756.160384][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6756.160384][ T72] addrconf_add_dev+0xe2/0x170 [ 6756.160384][ T72] inet6_addr_add+0x12f/0xa40 [ 6756.160384][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.160384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.160384][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.160384][ T72] netlink_unicast+0x449/0x710 [ 6756.160384][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.160384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.160384][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.160384][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.160384][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.160384][ T72] [ 6756.162446][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6756.162446][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6756.162446][ T72] ipv6_find_idev+0x102/0x170 [ 6756.162446][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.162446][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.162446][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.162446][ T72] netlink_unicast+0x449/0x710 [ 6756.162446][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.162446][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.162446][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.162446][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.162446][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.162446][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.162446][ T72] [ 6756.164169][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6756.164169][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6756.164169][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6756.164169][ T72] ipv6_find_idev+0x102/0x170 [ 6756.164169][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.164169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.164169][ T72] netlink_rcv_skb+0x130/0x360 [ 6756.164169][ T72] netlink_unicast+0x449/0x710 [ 6756.164169][ T72] netlink_sendmsg+0x723/0xbe0 [ 6756.164169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6756.164169][ T72] ___sys_sendmsg+0xee/0x170 [ 6756.164169][ T72] __sys_sendmsg+0xcd/0x170 [ 6756.164169][ T72] do_syscall_64+0xc6/0x1e0 [ 6756.164169][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.164169][ T72] [ 6766.408997][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6766.409529][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6766.409529][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6766.409529][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6766.409529][ T72] fib6_nh_init+0xa22/0x1580 [ 6766.409529][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.409529][ T72] ip6_route_add+0x1c/0x140 [ 6766.409529][ T72] inet6_rtm_newroute+0x104/0x110 [ 6766.409529][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.409529][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.409529][ T72] netlink_unicast+0x449/0x710 [ 6766.409529][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.409529][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.409529][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.409529][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.409529][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.409529][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.409529][ T72] [ 6766.411374][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6766.411374][ T72] dst_init+0x84/0x4a0 [ 6766.411374][ T72] dst_alloc+0x97/0x150 [ 6766.411374][ T72] ip6_dst_alloc+0x23/0x90 [ 6766.411374][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6766.411374][ T72] ip6_pol_route+0x56f/0x840 [ 6766.411374][ T72] fib6_rule_lookup+0x456/0x630 [ 6766.411374][ T72] ip6_route_input+0x59c/0xa50 [ 6766.411374][ T72] ipv6_rcv+0x397/0x810 [ 6766.411374][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6766.411374][ T72] process_backlog+0x101/0x620 [ 6766.411374][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6766.411374][ T72] net_rx_action+0x495/0xbe0 [ 6766.411374][ T72] __do_softirq+0x1b5/0x7f6 [ 6766.411374][ T72] [ 6766.412985][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6766.412985][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.412985][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.412985][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.412985][ T72] ip6_route_add+0x1c/0x140 [ 6766.412985][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6766.412985][ T72] inet6_addr_add+0x4f8/0xa40 [ 6766.412985][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.412985][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.412985][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.412985][ T72] netlink_unicast+0x449/0x710 [ 6766.412985][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.412985][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.412985][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.412985][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.412985][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.412985][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.412985][ T72] [ 6766.414929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6766.414929][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.414929][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.414929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.414929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6766.414929][ T72] ipv6_add_addr+0x411/0x2000 [ 6766.414929][ T72] inet6_addr_add+0x30e/0xa40 [ 6766.414929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.414929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.414929][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.414929][ T72] netlink_unicast+0x449/0x710 [ 6766.414929][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.414929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.414929][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.414929][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.414929][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.414929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.414929][ T72] [ 6766.416867][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6766.416867][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.416867][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.416867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.416867][ T72] ip6_route_add+0x1c/0x140 [ 6766.416867][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6766.416867][ T72] addrconf_add_dev+0xe2/0x170 [ 6766.416867][ T72] inet6_addr_add+0x12f/0xa40 [ 6766.416867][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.416867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.416867][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.416867][ T72] netlink_unicast+0x449/0x710 [ 6766.416867][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.416867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.416867][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.416867][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.416867][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.416867][ T72] [ 6766.418770][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6766.418770][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6766.418770][ T72] ipv6_find_idev+0x102/0x170 [ 6766.418770][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6766.418770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.418770][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.418770][ T72] netlink_unicast+0x449/0x710 [ 6766.418770][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.418770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.418770][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.418770][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.418770][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.418770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.418770][ T72] [ 6766.420263][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6766.420263][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6766.420263][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6766.420263][ T72] ipv6_find_idev+0x102/0x170 [ 6766.420263][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6766.420263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.420263][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.420263][ T72] netlink_unicast+0x449/0x710 [ 6766.420263][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.420263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.420263][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.420263][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.420263][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.420263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.420263][ T72] [ 6766.421947][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6766.422225][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6766.422225][ T72] dst_init+0x84/0x4a0 [ 6766.422225][ T72] dst_alloc+0x97/0x150 [ 6766.422225][ T72] ip6_dst_alloc+0x23/0x90 [ 6766.422225][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6766.422225][ T72] ip6_pol_route+0x56f/0x840 [ 6766.422225][ T72] fib6_rule_lookup+0x456/0x630 [ 6766.422225][ T72] ip6_route_input+0x59c/0xa50 [ 6766.422225][ T72] ipv6_rcv+0x397/0x810 [ 6766.422225][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6766.422225][ T72] process_backlog+0x101/0x620 [ 6766.422225][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6766.422225][ T72] net_rx_action+0x495/0xbe0 [ 6766.422225][ T72] __do_softirq+0x1b5/0x7f6 [ 6766.422225][ T72] [ 6766.423826][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6766.423826][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.423826][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.423826][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.423826][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6766.423826][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6766.423826][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6766.423826][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6766.423826][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6766.423826][ T72] addrconf_dad_begin+0x310/0x670 [ 6766.423826][ T72] addrconf_dad_work+0x10b/0xab0 [ 6766.423826][ T72] process_one_work+0x84d/0x18a0 [ 6766.423826][ T72] worker_thread+0x587/0xd30 [ 6766.423826][ T72] kthread+0x28a/0x350 [ 6766.423826][ T72] ret_from_fork+0x31/0x70 [ 6766.423826][ T72] ret_from_fork_asm+0x1a/0x30 [ 6766.423826][ T72] [ 6766.425715][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6766.425715][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.425715][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.425715][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.425715][ T72] ip6_route_add+0x1c/0x140 [ 6766.425715][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6766.425715][ T72] inet6_addr_add+0x4f8/0xa40 [ 6766.425715][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.425715][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.425715][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.425715][ T72] netlink_unicast+0x449/0x710 [ 6766.425715][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.425715][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.425715][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.425715][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.425715][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.425715][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.425715][ T72] [ 6766.427734][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6766.427734][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.427734][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.427734][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.427734][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6766.427734][ T72] ipv6_add_addr+0x411/0x2000 [ 6766.427734][ T72] inet6_addr_add+0x30e/0xa40 [ 6766.427734][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.427734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.427734][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.427734][ T72] netlink_unicast+0x449/0x710 [ 6766.427734][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.427734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.427734][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.427734][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.427734][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.427734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.427734][ T72] [ 6766.429687][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6766.429687][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.429687][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.429687][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.429687][ T72] ip6_route_add+0x1c/0x140 [ 6766.429687][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6766.429687][ T72] addrconf_add_dev+0xe2/0x170 [ 6766.429687][ T72] inet6_addr_add+0x12f/0xa40 [ 6766.429687][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.429687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.429687][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.429687][ T72] netlink_unicast+0x449/0x710 [ 6766.429687][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.429687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.429687][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.429687][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.429687][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.429687][ T72] [ 6766.431586][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6766.431586][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6766.431586][ T72] ipv6_find_idev+0x102/0x170 [ 6766.431586][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6766.431586][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.431586][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.431586][ T72] netlink_unicast+0x449/0x710 [ 6766.431586][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.431586][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.431586][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.431586][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.431586][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.431586][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.431586][ T72] [ 6766.433105][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6766.433105][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6766.433105][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6766.433105][ T72] ipv6_find_idev+0x102/0x170 [ 6766.433105][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6766.433105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.433105][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.433105][ T72] netlink_unicast+0x449/0x710 [ 6766.433105][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.433105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.433105][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.433105][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.433105][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.433105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.433105][ T72] [ 6766.434825][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6766.435165][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6766.435165][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6766.435165][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6766.435165][ T72] fib6_nh_init+0xa22/0x1580 [ 6766.435165][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.435165][ T72] ip6_route_add+0x1c/0x140 [ 6766.435165][ T72] inet6_rtm_newroute+0x104/0x110 [ 6766.435165][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.435165][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.435165][ T72] netlink_unicast+0x449/0x710 [ 6766.435165][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.435165][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.435165][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.435165][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.435165][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.435165][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.435165][ T72] [ 6766.437291][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6766.437291][ T72] dst_init+0x84/0x4a0 [ 6766.437291][ T72] dst_alloc+0x97/0x150 [ 6766.437291][ T72] ip6_dst_alloc+0x23/0x90 [ 6766.437291][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6766.437291][ T72] ip6_pol_route+0x56f/0x840 [ 6766.437291][ T72] fib6_rule_lookup+0x456/0x630 [ 6766.437291][ T72] ip6_route_input+0x59c/0xa50 [ 6766.437291][ T72] ipv6_rcv+0x397/0x810 [ 6766.437291][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6766.437291][ T72] process_backlog+0x101/0x620 [ 6766.437291][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6766.437291][ T72] net_rx_action+0x495/0xbe0 [ 6766.437291][ T72] __do_softirq+0x1b5/0x7f6 [ 6766.437291][ T72] [ 6766.439115][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6766.439115][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.439115][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.439115][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.439115][ T72] ip6_route_add+0x1c/0x140 [ 6766.439115][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6766.439115][ T72] inet6_addr_add+0x4f8/0xa40 [ 6766.439115][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.439115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.439115][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.439115][ T72] netlink_unicast+0x449/0x710 [ 6766.439115][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.439115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.439115][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.439115][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.439115][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.439115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.439115][ T72] [ 6766.441315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6766.441315][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.441315][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.441315][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.441315][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6766.441315][ T72] ipv6_add_addr+0x411/0x2000 [ 6766.441315][ T72] inet6_addr_add+0x30e/0xa40 [ 6766.441315][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.441315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.441315][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.441315][ T72] netlink_unicast+0x449/0x710 [ 6766.441315][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.441315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.441315][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.441315][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.441315][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.441315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.441315][ T72] [ 6766.443543][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6766.443543][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.443543][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.443543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.443543][ T72] ip6_route_add+0x1c/0x140 [ 6766.443543][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6766.443543][ T72] addrconf_add_dev+0xe2/0x170 [ 6766.443543][ T72] inet6_addr_add+0x12f/0xa40 [ 6766.443543][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.443543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.443543][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.443543][ T72] netlink_unicast+0x449/0x710 [ 6766.443543][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.443543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.443543][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.443543][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.443543][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.443543][ T72] [ 6766.445764][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6766.445764][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6766.445764][ T72] ipv6_find_idev+0x102/0x170 [ 6766.445764][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6766.445764][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.445764][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.445764][ T72] netlink_unicast+0x449/0x710 [ 6766.445764][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.445764][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.445764][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.445764][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.445764][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.445764][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.445764][ T72] [ 6766.447502][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6766.447502][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6766.447502][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6766.447502][ T72] ipv6_find_idev+0x102/0x170 [ 6766.447502][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6766.447502][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.447502][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.447502][ T72] netlink_unicast+0x449/0x710 [ 6766.447502][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.447502][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.447502][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.447502][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.447502][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.447502][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.447502][ T72] [ 6766.449375][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6766.449649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6766.449649][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.449649][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.449649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.449649][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6766.449649][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6766.449649][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6766.449649][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6766.449649][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6766.449649][ T72] addrconf_dad_begin+0x310/0x670 [ 6766.449649][ T72] addrconf_dad_work+0x10b/0xab0 [ 6766.449649][ T72] process_one_work+0x84d/0x18a0 [ 6766.449649][ T72] worker_thread+0x587/0xd30 [ 6766.449649][ T72] kthread+0x28a/0x350 [ 6766.449649][ T72] ret_from_fork+0x31/0x70 [ 6766.449649][ T72] ret_from_fork_asm+0x1a/0x30 [ 6766.449649][ T72] [ 6766.451789][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6766.451789][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.451789][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.451789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.451789][ T72] ip6_route_add+0x1c/0x140 [ 6766.451789][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6766.451789][ T72] inet6_addr_add+0x4f8/0xa40 [ 6766.451789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.451789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.451789][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.451789][ T72] netlink_unicast+0x449/0x710 [ 6766.451789][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.451789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.451789][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.451789][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.451789][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.451789][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.451789][ T72] [ 6766.453995][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6766.453995][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.453995][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.453995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.453995][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6766.453995][ T72] ipv6_add_addr+0x411/0x2000 [ 6766.453995][ T72] inet6_addr_add+0x30e/0xa40 [ 6766.453995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.453995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.453995][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.453995][ T72] netlink_unicast+0x449/0x710 [ 6766.453995][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.453995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.453995][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.453995][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.453995][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.453995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.453995][ T72] [ 6766.456274][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6766.456274][ T72] netdev_get_by_index+0x5e/0x80 [ 6766.456274][ T72] fib6_nh_init+0x3d8/0x1580 [ 6766.456274][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6766.456274][ T72] ip6_route_add+0x1c/0x140 [ 6766.456274][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6766.456274][ T72] addrconf_add_dev+0xe2/0x170 [ 6766.456274][ T72] inet6_addr_add+0x12f/0xa40 [ 6766.456274][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6766.456274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.456274][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.456274][ T72] netlink_unicast+0x449/0x710 [ 6766.456274][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.456274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.456274][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.456274][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.456274][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.456274][ T72] [ 6766.458417][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6766.458417][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6766.458417][ T72] ipv6_find_idev+0x102/0x170 [ 6766.458417][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6766.458417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.458417][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.458417][ T72] netlink_unicast+0x449/0x710 [ 6766.458417][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.458417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.458417][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.458417][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.458417][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.458417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.458417][ T72] [ 6766.460125][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6766.460125][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6766.460125][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6766.460125][ T72] ipv6_find_idev+0x102/0x170 [ 6766.460125][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6766.460125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6766.460125][ T72] netlink_rcv_skb+0x130/0x360 [ 6766.460125][ T72] netlink_unicast+0x449/0x710 [ 6766.460125][ T72] netlink_sendmsg+0x723/0xbe0 [ 6766.460125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6766.460125][ T72] ___sys_sendmsg+0xee/0x170 [ 6766.460125][ T72] __sys_sendmsg+0xcd/0x170 [ 6766.460125][ T72] do_syscall_64+0xc6/0x1e0 [ 6766.460125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6766.460125][ T72] [ 6776.704981][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6776.705921][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6776.705921][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6776.705921][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6776.705921][ T72] fib6_nh_init+0xa22/0x1580 [ 6776.705921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.705921][ T72] ip6_route_add+0x1c/0x140 [ 6776.705921][ T72] inet6_rtm_newroute+0x104/0x110 [ 6776.705921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.705921][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.705921][ T72] netlink_unicast+0x449/0x710 [ 6776.705921][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.705921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.705921][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.705921][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.705921][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.705921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.705921][ T72] [ 6776.707789][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6776.707789][ T72] dst_init+0x84/0x4a0 [ 6776.707789][ T72] dst_alloc+0x97/0x150 [ 6776.707789][ T72] ip6_dst_alloc+0x23/0x90 [ 6776.707789][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6776.707789][ T72] ip6_pol_route+0x56f/0x840 [ 6776.707789][ T72] fib6_rule_lookup+0x456/0x630 [ 6776.707789][ T72] ip6_route_input+0x59c/0xa50 [ 6776.707789][ T72] ipv6_rcv+0x397/0x810 [ 6776.707789][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6776.707789][ T72] process_backlog+0x101/0x620 [ 6776.707789][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6776.707789][ T72] net_rx_action+0x495/0xbe0 [ 6776.707789][ T72] __do_softirq+0x1b5/0x7f6 [ 6776.707789][ T72] [ 6776.709422][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6776.709422][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.709422][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.709422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.709422][ T72] ip6_route_add+0x1c/0x140 [ 6776.709422][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6776.709422][ T72] inet6_addr_add+0x4f8/0xa40 [ 6776.709422][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.709422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.709422][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.709422][ T72] netlink_unicast+0x449/0x710 [ 6776.709422][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.709422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.709422][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.709422][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.709422][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.709422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.709422][ T72] [ 6776.711366][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6776.711366][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.711366][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.711366][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.711366][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6776.711366][ T72] ipv6_add_addr+0x411/0x2000 [ 6776.711366][ T72] inet6_addr_add+0x30e/0xa40 [ 6776.711366][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.711366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.711366][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.711366][ T72] netlink_unicast+0x449/0x710 [ 6776.711366][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.711366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.711366][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.711366][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.711366][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.711366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.711366][ T72] [ 6776.713831][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6776.713831][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.713831][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.713831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.713831][ T72] ip6_route_add+0x1c/0x140 [ 6776.713831][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6776.713831][ T72] addrconf_add_dev+0xe2/0x170 [ 6776.713831][ T72] inet6_addr_add+0x12f/0xa40 [ 6776.713831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.713831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.713831][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.713831][ T72] netlink_unicast+0x449/0x710 [ 6776.713831][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.713831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.713831][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.713831][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.713831][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.713831][ T72] [ 6776.715738][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6776.715738][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6776.715738][ T72] ipv6_find_idev+0x102/0x170 [ 6776.715738][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.715738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.715738][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.715738][ T72] netlink_unicast+0x449/0x710 [ 6776.715738][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.715738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.715738][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.715738][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.715738][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.715738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.715738][ T72] [ 6776.717236][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6776.717236][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6776.717236][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6776.717236][ T72] ipv6_find_idev+0x102/0x170 [ 6776.717236][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.717236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.717236][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.717236][ T72] netlink_unicast+0x449/0x710 [ 6776.717236][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.717236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.717236][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.717236][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.717236][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.717236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.717236][ T72] [ 6776.718908][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6776.719191][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6776.719191][ T72] dst_init+0x84/0x4a0 [ 6776.719191][ T72] dst_alloc+0x97/0x150 [ 6776.719191][ T72] ip6_dst_alloc+0x23/0x90 [ 6776.719191][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6776.719191][ T72] ip6_pol_route+0x56f/0x840 [ 6776.719191][ T72] fib6_rule_lookup+0x456/0x630 [ 6776.719191][ T72] ip6_route_input+0x59c/0xa50 [ 6776.719191][ T72] ipv6_rcv+0x397/0x810 [ 6776.719191][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6776.719191][ T72] process_backlog+0x101/0x620 [ 6776.719191][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6776.719191][ T72] net_rx_action+0x495/0xbe0 [ 6776.719191][ T72] __do_softirq+0x1b5/0x7f6 [ 6776.719191][ T72] [ 6776.720800][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6776.720800][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.720800][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.720800][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.720800][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6776.720800][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6776.720800][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6776.720800][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6776.720800][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6776.720800][ T72] addrconf_dad_begin+0x310/0x670 [ 6776.720800][ T72] addrconf_dad_work+0x10b/0xab0 [ 6776.720800][ T72] process_one_work+0x84d/0x18a0 [ 6776.720800][ T72] worker_thread+0x587/0xd30 [ 6776.720800][ T72] kthread+0x28a/0x350 [ 6776.720800][ T72] ret_from_fork+0x31/0x70 [ 6776.720800][ T72] ret_from_fork_asm+0x1a/0x30 [ 6776.720800][ T72] [ 6776.722647][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6776.722647][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.722647][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.722647][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.722647][ T72] ip6_route_add+0x1c/0x140 [ 6776.722647][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6776.722647][ T72] inet6_addr_add+0x4f8/0xa40 [ 6776.722647][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.722647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.722647][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.722647][ T72] netlink_unicast+0x449/0x710 [ 6776.722647][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.722647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.722647][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.722647][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.722647][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.722647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.722647][ T72] [ 6776.724588][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6776.724588][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.724588][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.724588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.724588][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6776.724588][ T72] ipv6_add_addr+0x411/0x2000 [ 6776.724588][ T72] inet6_addr_add+0x30e/0xa40 [ 6776.724588][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.724588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.724588][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.724588][ T72] netlink_unicast+0x449/0x710 [ 6776.724588][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.724588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.724588][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.724588][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.724588][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.724588][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.724588][ T72] [ 6776.726563][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6776.726563][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.726563][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.726563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.726563][ T72] ip6_route_add+0x1c/0x140 [ 6776.726563][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6776.726563][ T72] addrconf_add_dev+0xe2/0x170 [ 6776.726563][ T72] inet6_addr_add+0x12f/0xa40 [ 6776.726563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.726563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.726563][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.726563][ T72] netlink_unicast+0x449/0x710 [ 6776.726563][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.726563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.726563][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.726563][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.726563][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.726563][ T72] [ 6776.728521][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6776.728521][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6776.728521][ T72] ipv6_find_idev+0x102/0x170 [ 6776.728521][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.728521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.728521][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.728521][ T72] netlink_unicast+0x449/0x710 [ 6776.728521][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.728521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.728521][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.728521][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.728521][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.728521][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.728521][ T72] [ 6776.730038][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6776.730038][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6776.730038][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6776.730038][ T72] ipv6_find_idev+0x102/0x170 [ 6776.730038][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.730038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.730038][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.730038][ T72] netlink_unicast+0x449/0x710 [ 6776.730038][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.730038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.730038][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.730038][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.730038][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.730038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.730038][ T72] [ 6776.762398][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6776.762699][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6776.762699][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6776.762699][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6776.762699][ T72] fib6_nh_init+0xa22/0x1580 [ 6776.762699][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.762699][ T72] ip6_route_add+0x1c/0x140 [ 6776.762699][ T72] inet6_rtm_newroute+0x104/0x110 [ 6776.762699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.762699][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.762699][ T72] netlink_unicast+0x449/0x710 [ 6776.762699][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.762699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.762699][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.762699][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.762699][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.762699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.762699][ T72] [ 6776.764686][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6776.764686][ T72] dst_init+0x84/0x4a0 [ 6776.764686][ T72] dst_alloc+0x97/0x150 [ 6776.764686][ T72] ip6_dst_alloc+0x23/0x90 [ 6776.764686][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6776.764686][ T72] ip6_pol_route+0x56f/0x840 [ 6776.764686][ T72] fib6_rule_lookup+0x456/0x630 [ 6776.764686][ T72] ip6_route_input+0x59c/0xa50 [ 6776.764686][ T72] ipv6_rcv+0x397/0x810 [ 6776.764686][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6776.764686][ T72] process_backlog+0x101/0x620 [ 6776.764686][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6776.764686][ T72] net_rx_action+0x495/0xbe0 [ 6776.764686][ T72] __do_softirq+0x1b5/0x7f6 [ 6776.764686][ T72] [ 6776.766422][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6776.766422][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.766422][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.766422][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.766422][ T72] ip6_route_add+0x1c/0x140 [ 6776.766422][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6776.766422][ T72] inet6_addr_add+0x4f8/0xa40 [ 6776.766422][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.766422][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.766422][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.766422][ T72] netlink_unicast+0x449/0x710 [ 6776.766422][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.766422][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.766422][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.766422][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.766422][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.766422][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.766422][ T72] [ 6776.768546][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6776.768546][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.768546][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.768546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.768546][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6776.768546][ T72] ipv6_add_addr+0x411/0x2000 [ 6776.768546][ T72] inet6_addr_add+0x30e/0xa40 [ 6776.768546][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.768546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.768546][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.768546][ T72] netlink_unicast+0x449/0x710 [ 6776.768546][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.768546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.768546][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.768546][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.768546][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.768546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.768546][ T72] [ 6776.770645][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6776.770645][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.770645][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.770645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.770645][ T72] ip6_route_add+0x1c/0x140 [ 6776.770645][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6776.770645][ T72] addrconf_add_dev+0xe2/0x170 [ 6776.770645][ T72] inet6_addr_add+0x12f/0xa40 [ 6776.770645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.770645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.770645][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.770645][ T72] netlink_unicast+0x449/0x710 [ 6776.770645][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.770645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.770645][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.770645][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.770645][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.770645][ T72] [ 6776.772717][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6776.772717][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6776.772717][ T72] ipv6_find_idev+0x102/0x170 [ 6776.772717][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.772717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.772717][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.772717][ T72] netlink_unicast+0x449/0x710 [ 6776.772717][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.772717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.772717][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.772717][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.772717][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.772717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.772717][ T72] [ 6776.774304][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6776.774304][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6776.774304][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6776.774304][ T72] ipv6_find_idev+0x102/0x170 [ 6776.774304][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.774304][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.774304][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.774304][ T72] netlink_unicast+0x449/0x710 [ 6776.774304][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.774304][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.774304][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.774304][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.774304][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.774304][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.774304][ T72] [ 6776.776139][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6776.776411][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6776.776411][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.776411][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.776411][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.776411][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6776.776411][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6776.776411][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6776.776411][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6776.776411][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6776.776411][ T72] addrconf_dad_begin+0x310/0x670 [ 6776.776411][ T72] addrconf_dad_work+0x10b/0xab0 [ 6776.776411][ T72] process_one_work+0x84d/0x18a0 [ 6776.776411][ T72] worker_thread+0x587/0xd30 [ 6776.776411][ T72] kthread+0x28a/0x350 [ 6776.776411][ T72] ret_from_fork+0x31/0x70 [ 6776.776411][ T72] ret_from_fork_asm+0x1a/0x30 [ 6776.776411][ T72] [ 6776.778437][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6776.778437][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.778437][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.778437][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.778437][ T72] ip6_route_add+0x1c/0x140 [ 6776.778437][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6776.778437][ T72] inet6_addr_add+0x4f8/0xa40 [ 6776.778437][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.778437][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.778437][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.778437][ T72] netlink_unicast+0x449/0x710 [ 6776.778437][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.778437][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.778437][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.778437][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.778437][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.778437][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.778437][ T72] [ 6776.780482][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6776.780482][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.780482][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.780482][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.780482][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6776.780482][ T72] ipv6_add_addr+0x411/0x2000 [ 6776.780482][ T72] inet6_addr_add+0x30e/0xa40 [ 6776.780482][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.780482][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.780482][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.780482][ T72] netlink_unicast+0x449/0x710 [ 6776.780482][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.780482][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.780482][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.780482][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.780482][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.780482][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.780482][ T72] [ 6776.782540][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6776.782540][ T72] netdev_get_by_index+0x5e/0x80 [ 6776.782540][ T72] fib6_nh_init+0x3d8/0x1580 [ 6776.782540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6776.782540][ T72] ip6_route_add+0x1c/0x140 [ 6776.782540][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6776.782540][ T72] addrconf_add_dev+0xe2/0x170 [ 6776.782540][ T72] inet6_addr_add+0x12f/0xa40 [ 6776.782540][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6776.782540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.782540][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.782540][ T72] netlink_unicast+0x449/0x710 [ 6776.782540][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.782540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.782540][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.782540][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.782540][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.782540][ T72] [ 6776.784621][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6776.784621][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6776.784621][ T72] ipv6_find_idev+0x102/0x170 [ 6776.784621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.784621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.784621][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.784621][ T72] netlink_unicast+0x449/0x710 [ 6776.784621][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.784621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.784621][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.784621][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.784621][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.784621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.784621][ T72] [ 6776.813699][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6776.813699][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6776.813699][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6776.813699][ T72] ipv6_find_idev+0x102/0x170 [ 6776.813699][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6776.813699][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6776.813699][ T72] netlink_rcv_skb+0x130/0x360 [ 6776.813699][ T72] netlink_unicast+0x449/0x710 [ 6776.813699][ T72] netlink_sendmsg+0x723/0xbe0 [ 6776.813699][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6776.813699][ T72] ___sys_sendmsg+0xee/0x170 [ 6776.813699][ T72] __sys_sendmsg+0xcd/0x170 [ 6776.813699][ T72] do_syscall_64+0xc6/0x1e0 [ 6776.813699][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6776.813699][ T72] [ 6787.056986][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6787.057598][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6787.057598][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6787.057598][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6787.057598][ T72] fib6_nh_init+0xa22/0x1580 [ 6787.057598][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.057598][ T72] ip6_route_add+0x1c/0x140 [ 6787.057598][ T72] inet6_rtm_newroute+0x104/0x110 [ 6787.057598][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.057598][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.057598][ T72] netlink_unicast+0x449/0x710 [ 6787.057598][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.057598][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.057598][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.057598][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.057598][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.057598][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.057598][ T72] [ 6787.059442][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6787.059442][ T72] dst_init+0x84/0x4a0 [ 6787.059442][ T72] dst_alloc+0x97/0x150 [ 6787.059442][ T72] ip6_dst_alloc+0x23/0x90 [ 6787.059442][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6787.059442][ T72] ip6_pol_route+0x56f/0x840 [ 6787.059442][ T72] fib6_rule_lookup+0x456/0x630 [ 6787.059442][ T72] ip6_route_input+0x59c/0xa50 [ 6787.059442][ T72] ipv6_rcv+0x397/0x810 [ 6787.059442][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6787.059442][ T72] process_backlog+0x101/0x620 [ 6787.059442][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6787.059442][ T72] net_rx_action+0x495/0xbe0 [ 6787.059442][ T72] __do_softirq+0x1b5/0x7f6 [ 6787.059442][ T72] [ 6787.061084][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6787.061084][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.061084][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.061084][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.061084][ T72] ip6_route_add+0x1c/0x140 [ 6787.061084][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6787.061084][ T72] inet6_addr_add+0x4f8/0xa40 [ 6787.061084][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.061084][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.061084][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.061084][ T72] netlink_unicast+0x449/0x710 [ 6787.061084][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.061084][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.061084][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.061084][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.061084][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.061084][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.061084][ T72] [ 6787.063088][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6787.063088][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.063088][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.063088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.063088][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6787.063088][ T72] ipv6_add_addr+0x411/0x2000 [ 6787.063088][ T72] inet6_addr_add+0x30e/0xa40 [ 6787.063088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.063088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.063088][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.063088][ T72] netlink_unicast+0x449/0x710 [ 6787.063088][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.063088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.063088][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.063088][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.063088][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.063088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.063088][ T72] [ 6787.065046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6787.065046][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.065046][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.065046][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.065046][ T72] ip6_route_add+0x1c/0x140 [ 6787.065046][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6787.065046][ T72] addrconf_add_dev+0xe2/0x170 [ 6787.065046][ T72] inet6_addr_add+0x12f/0xa40 [ 6787.065046][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.065046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.065046][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.065046][ T72] netlink_unicast+0x449/0x710 [ 6787.065046][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.065046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.065046][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.065046][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.065046][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.065046][ T72] [ 6787.067038][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6787.067038][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6787.067038][ T72] ipv6_find_idev+0x102/0x170 [ 6787.067038][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.067038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.067038][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.067038][ T72] netlink_unicast+0x449/0x710 [ 6787.067038][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.067038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.067038][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.067038][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.067038][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.067038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.067038][ T72] [ 6787.068581][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6787.068581][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6787.068581][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6787.068581][ T72] ipv6_find_idev+0x102/0x170 [ 6787.068581][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.068581][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.068581][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.068581][ T72] netlink_unicast+0x449/0x710 [ 6787.068581][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.068581][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.068581][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.068581][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.068581][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.068581][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.068581][ T72] [ 6787.070220][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6787.070490][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6787.070490][ T72] dst_init+0x84/0x4a0 [ 6787.070490][ T72] dst_alloc+0x97/0x150 [ 6787.070490][ T72] ip6_dst_alloc+0x23/0x90 [ 6787.070490][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6787.070490][ T72] ip6_pol_route+0x56f/0x840 [ 6787.070490][ T72] fib6_rule_lookup+0x456/0x630 [ 6787.070490][ T72] ip6_route_input+0x59c/0xa50 [ 6787.070490][ T72] ipv6_rcv+0x397/0x810 [ 6787.070490][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6787.070490][ T72] process_backlog+0x101/0x620 [ 6787.070490][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6787.070490][ T72] net_rx_action+0x495/0xbe0 [ 6787.070490][ T72] __do_softirq+0x1b5/0x7f6 [ 6787.070490][ T72] [ 6787.072086][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6787.072086][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.072086][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.072086][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.072086][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6787.072086][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6787.072086][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6787.072086][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6787.072086][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6787.072086][ T72] addrconf_dad_begin+0x310/0x670 [ 6787.072086][ T72] addrconf_dad_work+0x10b/0xab0 [ 6787.072086][ T72] process_one_work+0x84d/0x18a0 [ 6787.072086][ T72] worker_thread+0x587/0xd30 [ 6787.072086][ T72] kthread+0x28a/0x350 [ 6787.072086][ T72] ret_from_fork+0x31/0x70 [ 6787.072086][ T72] ret_from_fork_asm+0x1a/0x30 [ 6787.072086][ T72] [ 6787.073993][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6787.073993][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.073993][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.073993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.073993][ T72] ip6_route_add+0x1c/0x140 [ 6787.073993][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6787.073993][ T72] inet6_addr_add+0x4f8/0xa40 [ 6787.073993][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.073993][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.073993][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.073993][ T72] netlink_unicast+0x449/0x710 [ 6787.073993][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.073993][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.073993][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.073993][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.073993][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.073993][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.073993][ T72] [ 6787.075929][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6787.075929][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.075929][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.075929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.075929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6787.075929][ T72] ipv6_add_addr+0x411/0x2000 [ 6787.075929][ T72] inet6_addr_add+0x30e/0xa40 [ 6787.075929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.075929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.075929][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.075929][ T72] netlink_unicast+0x449/0x710 [ 6787.075929][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.075929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.075929][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.075929][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.075929][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.075929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.075929][ T72] [ 6787.077934][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6787.077934][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.077934][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.077934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.077934][ T72] ip6_route_add+0x1c/0x140 [ 6787.077934][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6787.077934][ T72] addrconf_add_dev+0xe2/0x170 [ 6787.077934][ T72] inet6_addr_add+0x12f/0xa40 [ 6787.077934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.077934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.077934][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.077934][ T72] netlink_unicast+0x449/0x710 [ 6787.077934][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.077934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.077934][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.077934][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.077934][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.077934][ T72] [ 6787.079896][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6787.079896][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6787.079896][ T72] ipv6_find_idev+0x102/0x170 [ 6787.079896][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.079896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.079896][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.079896][ T72] netlink_unicast+0x449/0x710 [ 6787.079896][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.079896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.079896][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.079896][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.079896][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.079896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.079896][ T72] [ 6787.081418][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6787.081418][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6787.081418][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6787.081418][ T72] ipv6_find_idev+0x102/0x170 [ 6787.081418][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.081418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.081418][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.081418][ T72] netlink_unicast+0x449/0x710 [ 6787.081418][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.081418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.081418][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.081418][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.081418][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.081418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.081418][ T72] [ 6787.110934][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6787.111272][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6787.111272][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6787.111272][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6787.111272][ T72] fib6_nh_init+0xa22/0x1580 [ 6787.111272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.111272][ T72] ip6_route_add+0x1c/0x140 [ 6787.111272][ T72] inet6_rtm_newroute+0x104/0x110 [ 6787.111272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.111272][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.111272][ T72] netlink_unicast+0x449/0x710 [ 6787.111272][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.111272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.111272][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.111272][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.111272][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.111272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.111272][ T72] [ 6787.113314][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6787.113314][ T72] dst_init+0x84/0x4a0 [ 6787.113314][ T72] dst_alloc+0x97/0x150 [ 6787.113314][ T72] ip6_dst_alloc+0x23/0x90 [ 6787.113314][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6787.113314][ T72] ip6_pol_route+0x56f/0x840 [ 6787.113314][ T72] fib6_rule_lookup+0x456/0x630 [ 6787.113314][ T72] ip6_route_input+0x59c/0xa50 [ 6787.113314][ T72] ipv6_rcv+0x397/0x810 [ 6787.113314][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6787.113314][ T72] process_backlog+0x101/0x620 [ 6787.113314][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6787.113314][ T72] net_rx_action+0x495/0xbe0 [ 6787.113314][ T72] __do_softirq+0x1b5/0x7f6 [ 6787.113314][ T72] [ 6787.115066][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6787.115066][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.115066][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.115066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.115066][ T72] ip6_route_add+0x1c/0x140 [ 6787.115066][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6787.115066][ T72] inet6_addr_add+0x4f8/0xa40 [ 6787.115066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.115066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.115066][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.115066][ T72] netlink_unicast+0x449/0x710 [ 6787.115066][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.115066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.115066][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.115066][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.115066][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.115066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.115066][ T72] [ 6787.117326][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6787.117326][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.117326][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.117326][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.117326][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6787.117326][ T72] ipv6_add_addr+0x411/0x2000 [ 6787.117326][ T72] inet6_addr_add+0x30e/0xa40 [ 6787.117326][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.117326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.117326][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.117326][ T72] netlink_unicast+0x449/0x710 [ 6787.117326][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.117326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.117326][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.117326][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.117326][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.117326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.117326][ T72] [ 6787.119512][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6787.119512][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.119512][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.119512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.119512][ T72] ip6_route_add+0x1c/0x140 [ 6787.119512][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6787.119512][ T72] addrconf_add_dev+0xe2/0x170 [ 6787.119512][ T72] inet6_addr_add+0x12f/0xa40 [ 6787.119512][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.119512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.119512][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.119512][ T72] netlink_unicast+0x449/0x710 [ 6787.119512][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.119512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.119512][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.119512][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.119512][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.119512][ T72] [ 6787.121640][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6787.121640][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6787.121640][ T72] ipv6_find_idev+0x102/0x170 [ 6787.121640][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.121640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.121640][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.121640][ T72] netlink_unicast+0x449/0x710 [ 6787.121640][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.121640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.121640][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.121640][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.121640][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.121640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.121640][ T72] [ 6787.123299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6787.123299][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6787.123299][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6787.123299][ T72] ipv6_find_idev+0x102/0x170 [ 6787.123299][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.123299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.123299][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.123299][ T72] netlink_unicast+0x449/0x710 [ 6787.123299][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.123299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.123299][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.123299][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.123299][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.123299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.123299][ T72] [ 6787.125095][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6787.125363][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6787.125363][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.125363][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.125363][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.125363][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6787.125363][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6787.125363][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6787.125363][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6787.125363][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6787.125363][ T72] addrconf_dad_begin+0x310/0x670 [ 6787.125363][ T72] addrconf_dad_work+0x10b/0xab0 [ 6787.125363][ T72] process_one_work+0x84d/0x18a0 [ 6787.125363][ T72] worker_thread+0x587/0xd30 [ 6787.125363][ T72] kthread+0x28a/0x350 [ 6787.125363][ T72] ret_from_fork+0x31/0x70 [ 6787.125363][ T72] ret_from_fork_asm+0x1a/0x30 [ 6787.125363][ T72] [ 6787.127563][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6787.127563][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.127563][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.127563][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.127563][ T72] ip6_route_add+0x1c/0x140 [ 6787.127563][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6787.127563][ T72] inet6_addr_add+0x4f8/0xa40 [ 6787.127563][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.127563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.127563][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.127563][ T72] netlink_unicast+0x449/0x710 [ 6787.127563][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.127563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.127563][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.127563][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.127563][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.127563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.127563][ T72] [ 6787.129767][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6787.129767][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.129767][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.129767][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.129767][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6787.129767][ T72] ipv6_add_addr+0x411/0x2000 [ 6787.129767][ T72] inet6_addr_add+0x30e/0xa40 [ 6787.129767][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.129767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.129767][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.129767][ T72] netlink_unicast+0x449/0x710 [ 6787.129767][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.129767][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.129767][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.129767][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.129767][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.129767][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.129767][ T72] [ 6787.131962][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6787.131962][ T72] netdev_get_by_index+0x5e/0x80 [ 6787.131962][ T72] fib6_nh_init+0x3d8/0x1580 [ 6787.131962][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6787.131962][ T72] ip6_route_add+0x1c/0x140 [ 6787.131962][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6787.131962][ T72] addrconf_add_dev+0xe2/0x170 [ 6787.131962][ T72] inet6_addr_add+0x12f/0xa40 [ 6787.131962][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.131962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.131962][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.131962][ T72] netlink_unicast+0x449/0x710 [ 6787.131962][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.131962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.131962][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.131962][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.131962][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.131962][ T72] [ 6787.134073][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6787.134073][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6787.134073][ T72] ipv6_find_idev+0x102/0x170 [ 6787.134073][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.134073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.134073][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.134073][ T72] netlink_unicast+0x449/0x710 [ 6787.134073][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.134073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.134073][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.134073][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.134073][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.134073][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.134073][ T72] [ 6787.135849][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6787.135849][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6787.135849][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6787.135849][ T72] ipv6_find_idev+0x102/0x170 [ 6787.135849][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.135849][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.135849][ T72] netlink_rcv_skb+0x130/0x360 [ 6787.135849][ T72] netlink_unicast+0x449/0x710 [ 6787.135849][ T72] netlink_sendmsg+0x723/0xbe0 [ 6787.135849][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6787.135849][ T72] ___sys_sendmsg+0xee/0x170 [ 6787.135849][ T72] __sys_sendmsg+0xcd/0x170 [ 6787.135849][ T72] do_syscall_64+0xc6/0x1e0 [ 6787.135849][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.135849][ T72] [ 6797.376991][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6797.377613][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6797.377613][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6797.377613][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6797.377613][ T72] fib6_nh_init+0xa22/0x1580 [ 6797.377613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.377613][ T72] ip6_route_add+0x1c/0x140 [ 6797.377613][ T72] inet6_rtm_newroute+0x104/0x110 [ 6797.377613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.377613][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.377613][ T72] netlink_unicast+0x449/0x710 [ 6797.377613][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.377613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.377613][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.377613][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.377613][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.377613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.377613][ T72] [ 6797.379474][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6797.379474][ T72] dst_init+0x84/0x4a0 [ 6797.379474][ T72] dst_alloc+0x97/0x150 [ 6797.379474][ T72] ip6_dst_alloc+0x23/0x90 [ 6797.379474][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6797.379474][ T72] ip6_pol_route+0x56f/0x840 [ 6797.379474][ T72] fib6_rule_lookup+0x456/0x630 [ 6797.379474][ T72] ip6_route_input+0x59c/0xa50 [ 6797.379474][ T72] ipv6_rcv+0x397/0x810 [ 6797.379474][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6797.379474][ T72] process_backlog+0x101/0x620 [ 6797.379474][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6797.379474][ T72] net_rx_action+0x495/0xbe0 [ 6797.379474][ T72] __do_softirq+0x1b5/0x7f6 [ 6797.379474][ T72] [ 6797.381090][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6797.381090][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.381090][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.381090][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.381090][ T72] ip6_route_add+0x1c/0x140 [ 6797.381090][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6797.381090][ T72] inet6_addr_add+0x4f8/0xa40 [ 6797.381090][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.381090][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.381090][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.381090][ T72] netlink_unicast+0x449/0x710 [ 6797.381090][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.381090][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.381090][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.381090][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.381090][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.381090][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.381090][ T72] [ 6797.383039][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6797.383039][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.383039][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.383039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.383039][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6797.383039][ T72] ipv6_add_addr+0x411/0x2000 [ 6797.383039][ T72] inet6_addr_add+0x30e/0xa40 [ 6797.383039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.383039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.383039][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.383039][ T72] netlink_unicast+0x449/0x710 [ 6797.383039][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.383039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.383039][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.383039][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.383039][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.383039][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.383039][ T72] [ 6797.385008][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6797.385008][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.385008][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.385008][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.385008][ T72] ip6_route_add+0x1c/0x140 [ 6797.385008][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6797.385008][ T72] addrconf_add_dev+0xe2/0x170 [ 6797.385008][ T72] inet6_addr_add+0x12f/0xa40 [ 6797.385008][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.385008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.385008][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.385008][ T72] netlink_unicast+0x449/0x710 [ 6797.385008][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.385008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.385008][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.385008][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.385008][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.385008][ T72] [ 6797.386958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6797.386958][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6797.386958][ T72] ipv6_find_idev+0x102/0x170 [ 6797.386958][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.386958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.386958][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.386958][ T72] netlink_unicast+0x449/0x710 [ 6797.386958][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.386958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.386958][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.386958][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.386958][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.386958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.386958][ T72] [ 6797.388497][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6797.388497][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6797.388497][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6797.388497][ T72] ipv6_find_idev+0x102/0x170 [ 6797.388497][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.388497][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.388497][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.388497][ T72] netlink_unicast+0x449/0x710 [ 6797.388497][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.388497][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.388497][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.388497][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.388497][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.388497][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.388497][ T72] [ 6797.390159][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6797.390447][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6797.390447][ T72] dst_init+0x84/0x4a0 [ 6797.390447][ T72] dst_alloc+0x97/0x150 [ 6797.390447][ T72] ip6_dst_alloc+0x23/0x90 [ 6797.390447][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6797.390447][ T72] ip6_pol_route+0x56f/0x840 [ 6797.390447][ T72] fib6_rule_lookup+0x456/0x630 [ 6797.390447][ T72] ip6_route_input+0x59c/0xa50 [ 6797.390447][ T72] ipv6_rcv+0x397/0x810 [ 6797.390447][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6797.390447][ T72] process_backlog+0x101/0x620 [ 6797.390447][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6797.390447][ T72] net_rx_action+0x495/0xbe0 [ 6797.390447][ T72] __do_softirq+0x1b5/0x7f6 [ 6797.390447][ T72] [ 6797.392087][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6797.392087][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.392087][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.392087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.392087][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6797.392087][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6797.392087][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6797.392087][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6797.392087][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6797.392087][ T72] addrconf_dad_begin+0x310/0x670 [ 6797.392087][ T72] addrconf_dad_work+0x10b/0xab0 [ 6797.392087][ T72] process_one_work+0x84d/0x18a0 [ 6797.392087][ T72] worker_thread+0x587/0xd30 [ 6797.392087][ T72] kthread+0x28a/0x350 [ 6797.392087][ T72] ret_from_fork+0x31/0x70 [ 6797.392087][ T72] ret_from_fork_asm+0x1a/0x30 [ 6797.392087][ T72] [ 6797.393944][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6797.393944][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.393944][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.393944][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.393944][ T72] ip6_route_add+0x1c/0x140 [ 6797.393944][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6797.393944][ T72] inet6_addr_add+0x4f8/0xa40 [ 6797.393944][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.393944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.393944][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.393944][ T72] netlink_unicast+0x449/0x710 [ 6797.393944][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.393944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.393944][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.393944][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.393944][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.393944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.393944][ T72] [ 6797.395929][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6797.395929][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.395929][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.395929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.395929][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6797.395929][ T72] ipv6_add_addr+0x411/0x2000 [ 6797.395929][ T72] inet6_addr_add+0x30e/0xa40 [ 6797.395929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.395929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.395929][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.395929][ T72] netlink_unicast+0x449/0x710 [ 6797.395929][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.395929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.395929][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.395929][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.395929][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.395929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.395929][ T72] [ 6797.397918][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6797.397918][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.397918][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.397918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.397918][ T72] ip6_route_add+0x1c/0x140 [ 6797.397918][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6797.397918][ T72] addrconf_add_dev+0xe2/0x170 [ 6797.397918][ T72] inet6_addr_add+0x12f/0xa40 [ 6797.397918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.397918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.397918][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.397918][ T72] netlink_unicast+0x449/0x710 [ 6797.397918][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.397918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.397918][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.397918][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.397918][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.397918][ T72] [ 6797.399866][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6797.399866][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6797.399866][ T72] ipv6_find_idev+0x102/0x170 [ 6797.399866][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.399866][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.399866][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.399866][ T72] netlink_unicast+0x449/0x710 [ 6797.399866][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.399866][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.399866][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.399866][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.399866][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.399866][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.399866][ T72] [ 6797.401403][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6797.401403][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6797.401403][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6797.401403][ T72] ipv6_find_idev+0x102/0x170 [ 6797.401403][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.401403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.401403][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.401403][ T72] netlink_unicast+0x449/0x710 [ 6797.401403][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.401403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.401403][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.401403][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.401403][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.401403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.401403][ T72] [ 6797.403113][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6797.403462][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6797.403462][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6797.403462][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6797.403462][ T72] fib6_nh_init+0xa22/0x1580 [ 6797.403462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.403462][ T72] ip6_route_add+0x1c/0x140 [ 6797.403462][ T72] inet6_rtm_newroute+0x104/0x110 [ 6797.403462][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.403462][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.403462][ T72] netlink_unicast+0x449/0x710 [ 6797.403462][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.403462][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.403462][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.403462][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.403462][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.403462][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.403462][ T72] [ 6797.405570][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6797.405570][ T72] dst_init+0x84/0x4a0 [ 6797.405570][ T72] dst_alloc+0x97/0x150 [ 6797.405570][ T72] ip6_dst_alloc+0x23/0x90 [ 6797.405570][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6797.405570][ T72] ip6_pol_route+0x56f/0x840 [ 6797.405570][ T72] fib6_rule_lookup+0x456/0x630 [ 6797.405570][ T72] ip6_route_input+0x59c/0xa50 [ 6797.405570][ T72] ipv6_rcv+0x397/0x810 [ 6797.405570][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6797.405570][ T72] process_backlog+0x101/0x620 [ 6797.405570][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6797.405570][ T72] net_rx_action+0x495/0xbe0 [ 6797.405570][ T72] __do_softirq+0x1b5/0x7f6 [ 6797.405570][ T72] [ 6797.407384][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6797.407384][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.407384][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.407384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.407384][ T72] ip6_route_add+0x1c/0x140 [ 6797.407384][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6797.407384][ T72] inet6_addr_add+0x4f8/0xa40 [ 6797.407384][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.407384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.407384][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.407384][ T72] netlink_unicast+0x449/0x710 [ 6797.407384][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.407384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.407384][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.407384][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.407384][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.407384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.407384][ T72] [ 6797.409576][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6797.409576][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.409576][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.409576][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.409576][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6797.409576][ T72] ipv6_add_addr+0x411/0x2000 [ 6797.409576][ T72] inet6_addr_add+0x30e/0xa40 [ 6797.409576][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.409576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.409576][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.409576][ T72] netlink_unicast+0x449/0x710 [ 6797.409576][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.409576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.409576][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.409576][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.409576][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.409576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.409576][ T72] [ 6797.411794][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6797.411794][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.411794][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.411794][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.411794][ T72] ip6_route_add+0x1c/0x140 [ 6797.411794][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6797.411794][ T72] addrconf_add_dev+0xe2/0x170 [ 6797.411794][ T72] inet6_addr_add+0x12f/0xa40 [ 6797.411794][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.411794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.411794][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.411794][ T72] netlink_unicast+0x449/0x710 [ 6797.411794][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.411794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.411794][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.411794][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.411794][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.411794][ T72] [ 6797.414058][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6797.414058][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6797.414058][ T72] ipv6_find_idev+0x102/0x170 [ 6797.414058][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.414058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.414058][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.414058][ T72] netlink_unicast+0x449/0x710 [ 6797.414058][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.414058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.414058][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.414058][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.414058][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.414058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.414058][ T72] [ 6797.415753][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6797.415753][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6797.415753][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6797.415753][ T72] ipv6_find_idev+0x102/0x170 [ 6797.415753][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.415753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.415753][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.415753][ T72] netlink_unicast+0x449/0x710 [ 6797.415753][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.415753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.415753][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.415753][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.415753][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.415753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.415753][ T72] [ 6797.417619][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6797.418334][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6797.418334][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.418334][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.418334][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.418334][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6797.418334][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6797.418334][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6797.418334][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6797.418334][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6797.418334][ T72] addrconf_dad_begin+0x310/0x670 [ 6797.418334][ T72] addrconf_dad_work+0x10b/0xab0 [ 6797.418334][ T72] process_one_work+0x84d/0x18a0 [ 6797.418334][ T72] worker_thread+0x587/0xd30 [ 6797.418334][ T72] kthread+0x28a/0x350 [ 6797.418334][ T72] ret_from_fork+0x31/0x70 [ 6797.418334][ T72] ret_from_fork_asm+0x1a/0x30 [ 6797.418334][ T72] [ 6797.420204][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6797.420204][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.420204][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.420204][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.420204][ T72] ip6_route_add+0x1c/0x140 [ 6797.420204][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6797.420204][ T72] inet6_addr_add+0x4f8/0xa40 [ 6797.420204][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.420204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.420204][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.420204][ T72] netlink_unicast+0x449/0x710 [ 6797.420204][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.420204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.420204][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.420204][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.420204][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.420204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.420204][ T72] [ 6797.422276][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6797.422276][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.422276][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.422276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.422276][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6797.422276][ T72] ipv6_add_addr+0x411/0x2000 [ 6797.422276][ T72] inet6_addr_add+0x30e/0xa40 [ 6797.422276][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.422276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.422276][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.422276][ T72] netlink_unicast+0x449/0x710 [ 6797.422276][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.422276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.422276][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.422276][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.422276][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.422276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.422276][ T72] [ 6797.424530][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6797.424530][ T72] netdev_get_by_index+0x5e/0x80 [ 6797.424530][ T72] fib6_nh_init+0x3d8/0x1580 [ 6797.424530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6797.424530][ T72] ip6_route_add+0x1c/0x140 [ 6797.424530][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6797.424530][ T72] addrconf_add_dev+0xe2/0x170 [ 6797.424530][ T72] inet6_addr_add+0x12f/0xa40 [ 6797.424530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.424530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.424530][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.424530][ T72] netlink_unicast+0x449/0x710 [ 6797.424530][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.424530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.424530][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.424530][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.424530][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.424530][ T72] [ 6797.426640][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6797.426640][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6797.426640][ T72] ipv6_find_idev+0x102/0x170 [ 6797.426640][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.426640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.426640][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.426640][ T72] netlink_unicast+0x449/0x710 [ 6797.426640][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.426640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.426640][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.426640][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.426640][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.426640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.426640][ T72] [ 6797.428237][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6797.428237][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6797.428237][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6797.428237][ T72] ipv6_find_idev+0x102/0x170 [ 6797.428237][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.428237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.428237][ T72] netlink_rcv_skb+0x130/0x360 [ 6797.428237][ T72] netlink_unicast+0x449/0x710 [ 6797.428237][ T72] netlink_sendmsg+0x723/0xbe0 [ 6797.428237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6797.428237][ T72] ___sys_sendmsg+0xee/0x170 [ 6797.428237][ T72] __sys_sendmsg+0xcd/0x170 [ 6797.428237][ T72] do_syscall_64+0xc6/0x1e0 [ 6797.428237][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.428237][ T72] [ 6807.672996][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6807.673605][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6807.673605][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6807.673605][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6807.673605][ T72] fib6_nh_init+0xa22/0x1580 [ 6807.673605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.673605][ T72] ip6_route_add+0x1c/0x140 [ 6807.673605][ T72] inet6_rtm_newroute+0x104/0x110 [ 6807.673605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.673605][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.673605][ T72] netlink_unicast+0x449/0x710 [ 6807.673605][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.673605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.673605][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.673605][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.673605][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.673605][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.673605][ T72] [ 6807.675796][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6807.675796][ T72] dst_init+0x84/0x4a0 [ 6807.675796][ T72] dst_alloc+0x97/0x150 [ 6807.675796][ T72] ip6_dst_alloc+0x23/0x90 [ 6807.675796][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6807.675796][ T72] ip6_pol_route+0x56f/0x840 [ 6807.675796][ T72] fib6_rule_lookup+0x456/0x630 [ 6807.675796][ T72] ip6_route_input+0x59c/0xa50 [ 6807.675796][ T72] ipv6_rcv+0x397/0x810 [ 6807.675796][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6807.675796][ T72] process_backlog+0x101/0x620 [ 6807.675796][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6807.675796][ T72] net_rx_action+0x495/0xbe0 [ 6807.675796][ T72] __do_softirq+0x1b5/0x7f6 [ 6807.675796][ T72] [ 6807.677758][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6807.677758][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.677758][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.677758][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.677758][ T72] ip6_route_add+0x1c/0x140 [ 6807.677758][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6807.677758][ T72] inet6_addr_add+0x4f8/0xa40 [ 6807.677758][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.677758][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.677758][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.677758][ T72] netlink_unicast+0x449/0x710 [ 6807.677758][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.677758][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.677758][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.677758][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.677758][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.677758][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.677758][ T72] [ 6807.680125][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6807.680125][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.680125][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.680125][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.680125][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6807.680125][ T72] ipv6_add_addr+0x411/0x2000 [ 6807.680125][ T72] inet6_addr_add+0x30e/0xa40 [ 6807.680125][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.680125][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.680125][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.680125][ T72] netlink_unicast+0x449/0x710 [ 6807.680125][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.680125][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.680125][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.680125][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.680125][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.680125][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.680125][ T72] [ 6807.682516][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6807.682516][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.682516][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.682516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.682516][ T72] ip6_route_add+0x1c/0x140 [ 6807.682516][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6807.682516][ T72] addrconf_add_dev+0xe2/0x170 [ 6807.682516][ T72] inet6_addr_add+0x12f/0xa40 [ 6807.682516][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.682516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.682516][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.682516][ T72] netlink_unicast+0x449/0x710 [ 6807.682516][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.682516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.682516][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.682516][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.682516][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.682516][ T72] [ 6807.684854][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6807.684854][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6807.684854][ T72] ipv6_find_idev+0x102/0x170 [ 6807.684854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6807.684854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.684854][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.684854][ T72] netlink_unicast+0x449/0x710 [ 6807.684854][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.684854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.684854][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.684854][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.684854][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.684854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.684854][ T72] [ 6807.686785][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6807.686785][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6807.686785][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6807.686785][ T72] ipv6_find_idev+0x102/0x170 [ 6807.686785][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6807.686785][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.686785][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.686785][ T72] netlink_unicast+0x449/0x710 [ 6807.686785][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.686785][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.686785][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.686785][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.686785][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.686785][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.686785][ T72] [ 6807.688831][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6807.689175][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6807.689175][ T72] dst_init+0x84/0x4a0 [ 6807.689175][ T72] dst_alloc+0x97/0x150 [ 6807.689175][ T72] ip6_dst_alloc+0x23/0x90 [ 6807.689175][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6807.689175][ T72] ip6_pol_route+0x56f/0x840 [ 6807.689175][ T72] fib6_rule_lookup+0x456/0x630 [ 6807.689175][ T72] ip6_route_input+0x59c/0xa50 [ 6807.689175][ T72] ipv6_rcv+0x397/0x810 [ 6807.689175][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6807.689175][ T72] process_backlog+0x101/0x620 [ 6807.689175][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6807.689175][ T72] net_rx_action+0x495/0xbe0 [ 6807.689175][ T72] __do_softirq+0x1b5/0x7f6 [ 6807.689175][ T72] [ 6807.691183][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6807.691183][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.691183][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.691183][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.691183][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6807.691183][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6807.691183][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6807.691183][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6807.691183][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6807.691183][ T72] addrconf_dad_begin+0x310/0x670 [ 6807.691183][ T72] addrconf_dad_work+0x10b/0xab0 [ 6807.691183][ T72] process_one_work+0x84d/0x18a0 [ 6807.691183][ T72] worker_thread+0x587/0xd30 [ 6807.691183][ T72] kthread+0x28a/0x350 [ 6807.691183][ T72] ret_from_fork+0x31/0x70 [ 6807.691183][ T72] ret_from_fork_asm+0x1a/0x30 [ 6807.691183][ T72] [ 6807.693566][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6807.693566][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.693566][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.693566][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.693566][ T72] ip6_route_add+0x1c/0x140 [ 6807.693566][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6807.693566][ T72] inet6_addr_add+0x4f8/0xa40 [ 6807.693566][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.693566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.693566][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.693566][ T72] netlink_unicast+0x449/0x710 [ 6807.693566][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.693566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.693566][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.693566][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.693566][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.693566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.693566][ T72] [ 6807.696013][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6807.696013][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.696013][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.696013][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.696013][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6807.696013][ T72] ipv6_add_addr+0x411/0x2000 [ 6807.696013][ T72] inet6_addr_add+0x30e/0xa40 [ 6807.696013][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.696013][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.696013][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.696013][ T72] netlink_unicast+0x449/0x710 [ 6807.696013][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.696013][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.696013][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.696013][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.696013][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.696013][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.696013][ T72] [ 6807.699021][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6807.699021][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.699021][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.699021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.699021][ T72] ip6_route_add+0x1c/0x140 [ 6807.699021][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6807.699021][ T72] addrconf_add_dev+0xe2/0x170 [ 6807.699021][ T72] inet6_addr_add+0x12f/0xa40 [ 6807.699021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.699021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.699021][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.699021][ T72] netlink_unicast+0x449/0x710 [ 6807.699021][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.699021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.699021][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.699021][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.699021][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.699021][ T72] [ 6807.730159][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6807.730159][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6807.730159][ T72] ipv6_find_idev+0x102/0x170 [ 6807.730159][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6807.730159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.730159][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.730159][ T72] netlink_unicast+0x449/0x710 [ 6807.730159][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.730159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.730159][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.730159][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.730159][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.730159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.730159][ T72] [ 6807.732050][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6807.732050][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6807.732050][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6807.732050][ T72] ipv6_find_idev+0x102/0x170 [ 6807.732050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6807.732050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.732050][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.732050][ T72] netlink_unicast+0x449/0x710 [ 6807.732050][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.732050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.732050][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.732050][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.732050][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.732050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.732050][ T72] [ 6807.734189][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6807.734576][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6807.734576][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6807.734576][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6807.734576][ T72] fib6_nh_init+0xa22/0x1580 [ 6807.734576][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.734576][ T72] ip6_route_add+0x1c/0x140 [ 6807.734576][ T72] inet6_rtm_newroute+0x104/0x110 [ 6807.734576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.734576][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.734576][ T72] netlink_unicast+0x449/0x710 [ 6807.734576][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.734576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.734576][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.734576][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.734576][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.734576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.734576][ T72] [ 6807.737036][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6807.737036][ T72] dst_init+0x84/0x4a0 [ 6807.737036][ T72] dst_alloc+0x97/0x150 [ 6807.737036][ T72] ip6_dst_alloc+0x23/0x90 [ 6807.737036][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6807.737036][ T72] ip6_pol_route+0x56f/0x840 [ 6807.737036][ T72] fib6_rule_lookup+0x456/0x630 [ 6807.737036][ T72] ip6_route_input+0x59c/0xa50 [ 6807.737036][ T72] ipv6_rcv+0x397/0x810 [ 6807.737036][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6807.737036][ T72] process_backlog+0x101/0x620 [ 6807.737036][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6807.737036][ T72] net_rx_action+0x495/0xbe0 [ 6807.737036][ T72] __do_softirq+0x1b5/0x7f6 [ 6807.737036][ T72] [ 6807.739198][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6807.739198][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.739198][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.739198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.739198][ T72] ip6_route_add+0x1c/0x140 [ 6807.739198][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6807.739198][ T72] inet6_addr_add+0x4f8/0xa40 [ 6807.739198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.739198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.739198][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.739198][ T72] netlink_unicast+0x449/0x710 [ 6807.739198][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.739198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.739198][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.739198][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.739198][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.739198][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.739198][ T72] [ 6807.741863][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6807.741863][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.741863][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.741863][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.741863][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6807.741863][ T72] ipv6_add_addr+0x411/0x2000 [ 6807.741863][ T72] inet6_addr_add+0x30e/0xa40 [ 6807.741863][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.741863][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.741863][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.741863][ T72] netlink_unicast+0x449/0x710 [ 6807.741863][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.741863][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.741863][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.741863][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.741863][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.741863][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.741863][ T72] [ 6807.744618][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6807.744618][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.744618][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.744618][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.744618][ T72] ip6_route_add+0x1c/0x140 [ 6807.744618][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6807.744618][ T72] addrconf_add_dev+0xe2/0x170 [ 6807.744618][ T72] inet6_addr_add+0x12f/0xa40 [ 6807.744618][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.744618][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.744618][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.744618][ T72] netlink_unicast+0x449/0x710 [ 6807.744618][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.744618][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.744618][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.744618][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.744618][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.744618][ T72] [ 6807.747274][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6807.747274][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6807.747274][ T72] ipv6_find_idev+0x102/0x170 [ 6807.747274][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6807.747274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.747274][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.747274][ T72] netlink_unicast+0x449/0x710 [ 6807.747274][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.747274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.747274][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.747274][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.747274][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.747274][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.747274][ T72] [ 6807.749342][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6807.749342][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6807.749342][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6807.749342][ T72] ipv6_find_idev+0x102/0x170 [ 6807.749342][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6807.749342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.749342][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.749342][ T72] netlink_unicast+0x449/0x710 [ 6807.749342][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.749342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.749342][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.749342][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.749342][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.749342][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.749342][ T72] [ 6807.751567][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6807.751971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6807.751971][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.751971][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.751971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.751971][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6807.751971][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6807.751971][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6807.751971][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6807.751971][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6807.751971][ T72] addrconf_dad_begin+0x310/0x670 [ 6807.751971][ T72] addrconf_dad_work+0x10b/0xab0 [ 6807.751971][ T72] process_one_work+0x84d/0x18a0 [ 6807.751971][ T72] worker_thread+0x587/0xd30 [ 6807.751971][ T72] kthread+0x28a/0x350 [ 6807.751971][ T72] ret_from_fork+0x31/0x70 [ 6807.751971][ T72] ret_from_fork_asm+0x1a/0x30 [ 6807.751971][ T72] [ 6807.754536][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6807.754536][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.754536][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.754536][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.754536][ T72] ip6_route_add+0x1c/0x140 [ 6807.754536][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6807.754536][ T72] inet6_addr_add+0x4f8/0xa40 [ 6807.754536][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.754536][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.754536][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.754536][ T72] netlink_unicast+0x449/0x710 [ 6807.754536][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.754536][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.754536][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.754536][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.754536][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.754536][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.754536][ T72] [ 6807.757219][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6807.757219][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.757219][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.757219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.757219][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6807.757219][ T72] ipv6_add_addr+0x411/0x2000 [ 6807.757219][ T72] inet6_addr_add+0x30e/0xa40 [ 6807.757219][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.757219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.757219][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.757219][ T72] netlink_unicast+0x449/0x710 [ 6807.757219][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.757219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.757219][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.757219][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.757219][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.757219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.757219][ T72] [ 6807.790109][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6807.790109][ T72] netdev_get_by_index+0x5e/0x80 [ 6807.790109][ T72] fib6_nh_init+0x3d8/0x1580 [ 6807.790109][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6807.790109][ T72] ip6_route_add+0x1c/0x140 [ 6807.790109][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6807.790109][ T72] addrconf_add_dev+0xe2/0x170 [ 6807.790109][ T72] inet6_addr_add+0x12f/0xa40 [ 6807.790109][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6807.790109][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.790109][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.790109][ T72] netlink_unicast+0x449/0x710 [ 6807.790109][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.790109][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.790109][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.790109][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.790109][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.790109][ T72] [ 6807.792753][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6807.792753][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6807.792753][ T72] ipv6_find_idev+0x102/0x170 [ 6807.792753][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6807.792753][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.792753][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.792753][ T72] netlink_unicast+0x449/0x710 [ 6807.792753][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.792753][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.792753][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.792753][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.792753][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.792753][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.792753][ T72] [ 6807.794793][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6807.794793][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6807.794793][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6807.794793][ T72] ipv6_find_idev+0x102/0x170 [ 6807.794793][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6807.794793][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6807.794793][ T72] netlink_rcv_skb+0x130/0x360 [ 6807.794793][ T72] netlink_unicast+0x449/0x710 [ 6807.794793][ T72] netlink_sendmsg+0x723/0xbe0 [ 6807.794793][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6807.794793][ T72] ___sys_sendmsg+0xee/0x170 [ 6807.794793][ T72] __sys_sendmsg+0xcd/0x170 [ 6807.794793][ T72] do_syscall_64+0xc6/0x1e0 [ 6807.794793][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6807.794793][ T72] [ 6817.912972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6817.913781][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6817.913781][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6817.913781][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6817.913781][ T72] fib6_nh_init+0xa22/0x1580 [ 6817.913781][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.913781][ T72] ip6_route_add+0x1c/0x140 [ 6817.913781][ T72] inet6_rtm_newroute+0x104/0x110 [ 6817.913781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.913781][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.913781][ T72] netlink_unicast+0x449/0x710 [ 6817.913781][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.913781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.913781][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.913781][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.913781][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.913781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.913781][ T72] [ 6817.915603][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6817.915603][ T72] dst_init+0x84/0x4a0 [ 6817.915603][ T72] dst_alloc+0x97/0x150 [ 6817.915603][ T72] ip6_dst_alloc+0x23/0x90 [ 6817.915603][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6817.915603][ T72] ip6_pol_route+0x56f/0x840 [ 6817.915603][ T72] fib6_rule_lookup+0x456/0x630 [ 6817.915603][ T72] ip6_route_input+0x59c/0xa50 [ 6817.915603][ T72] ipv6_rcv+0x397/0x810 [ 6817.915603][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6817.915603][ T72] process_backlog+0x101/0x620 [ 6817.915603][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6817.915603][ T72] net_rx_action+0x495/0xbe0 [ 6817.915603][ T72] __do_softirq+0x1b5/0x7f6 [ 6817.915603][ T72] [ 6817.917160][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6817.917160][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.917160][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.917160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.917160][ T72] ip6_route_add+0x1c/0x140 [ 6817.917160][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6817.917160][ T72] inet6_addr_add+0x4f8/0xa40 [ 6817.917160][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.917160][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.917160][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.917160][ T72] netlink_unicast+0x449/0x710 [ 6817.917160][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.917160][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.917160][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.917160][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.917160][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.917160][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.917160][ T72] [ 6817.919023][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6817.919023][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.919023][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.919023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.919023][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6817.919023][ T72] ipv6_add_addr+0x411/0x2000 [ 6817.919023][ T72] inet6_addr_add+0x30e/0xa40 [ 6817.919023][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.919023][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.919023][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.919023][ T72] netlink_unicast+0x449/0x710 [ 6817.919023][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.919023][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.919023][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.919023][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.919023][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.919023][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.919023][ T72] [ 6817.920893][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6817.920893][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.920893][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.920893][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.920893][ T72] ip6_route_add+0x1c/0x140 [ 6817.920893][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6817.920893][ T72] addrconf_add_dev+0xe2/0x170 [ 6817.920893][ T72] inet6_addr_add+0x12f/0xa40 [ 6817.920893][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.920893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.920893][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.920893][ T72] netlink_unicast+0x449/0x710 [ 6817.920893][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.920893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.920893][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.920893][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.920893][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.920893][ T72] [ 6817.922740][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6817.922740][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6817.922740][ T72] ipv6_find_idev+0x102/0x170 [ 6817.922740][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.922740][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.922740][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.922740][ T72] netlink_unicast+0x449/0x710 [ 6817.922740][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.922740][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.922740][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.922740][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.922740][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.922740][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.922740][ T72] [ 6817.924320][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6817.924320][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6817.924320][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6817.924320][ T72] ipv6_find_idev+0x102/0x170 [ 6817.924320][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.924320][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.924320][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.924320][ T72] netlink_unicast+0x449/0x710 [ 6817.924320][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.924320][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.924320][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.924320][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.924320][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.924320][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.924320][ T72] [ 6817.925926][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6817.926202][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6817.926202][ T72] dst_init+0x84/0x4a0 [ 6817.926202][ T72] dst_alloc+0x97/0x150 [ 6817.926202][ T72] ip6_dst_alloc+0x23/0x90 [ 6817.926202][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6817.926202][ T72] ip6_pol_route+0x56f/0x840 [ 6817.926202][ T72] fib6_rule_lookup+0x456/0x630 [ 6817.926202][ T72] ip6_route_input+0x59c/0xa50 [ 6817.926202][ T72] ipv6_rcv+0x397/0x810 [ 6817.926202][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6817.926202][ T72] process_backlog+0x101/0x620 [ 6817.926202][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6817.926202][ T72] net_rx_action+0x495/0xbe0 [ 6817.926202][ T72] __do_softirq+0x1b5/0x7f6 [ 6817.926202][ T72] [ 6817.927877][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6817.927877][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.927877][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.927877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.927877][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6817.927877][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6817.927877][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6817.927877][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6817.927877][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6817.927877][ T72] addrconf_dad_begin+0x310/0x670 [ 6817.927877][ T72] addrconf_dad_work+0x10b/0xab0 [ 6817.927877][ T72] process_one_work+0x84d/0x18a0 [ 6817.927877][ T72] worker_thread+0x587/0xd30 [ 6817.927877][ T72] kthread+0x28a/0x350 [ 6817.927877][ T72] ret_from_fork+0x31/0x70 [ 6817.927877][ T72] ret_from_fork_asm+0x1a/0x30 [ 6817.927877][ T72] [ 6817.929792][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6817.929792][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.929792][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.929792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.929792][ T72] ip6_route_add+0x1c/0x140 [ 6817.929792][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6817.929792][ T72] inet6_addr_add+0x4f8/0xa40 [ 6817.929792][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.929792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.929792][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.929792][ T72] netlink_unicast+0x449/0x710 [ 6817.929792][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.929792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.929792][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.929792][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.929792][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.929792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.929792][ T72] [ 6817.931838][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6817.931838][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.931838][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.931838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.931838][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6817.931838][ T72] ipv6_add_addr+0x411/0x2000 [ 6817.931838][ T72] inet6_addr_add+0x30e/0xa40 [ 6817.931838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.931838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.931838][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.931838][ T72] netlink_unicast+0x449/0x710 [ 6817.931838][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.931838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.931838][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.931838][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.931838][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.931838][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.931838][ T72] [ 6817.933799][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6817.933799][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.933799][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.933799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.933799][ T72] ip6_route_add+0x1c/0x140 [ 6817.933799][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6817.933799][ T72] addrconf_add_dev+0xe2/0x170 [ 6817.933799][ T72] inet6_addr_add+0x12f/0xa40 [ 6817.933799][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.933799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.933799][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.933799][ T72] netlink_unicast+0x449/0x710 [ 6817.933799][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.933799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.933799][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.933799][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.933799][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.933799][ T72] [ 6817.935752][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6817.935752][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6817.935752][ T72] ipv6_find_idev+0x102/0x170 [ 6817.935752][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.935752][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.935752][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.935752][ T72] netlink_unicast+0x449/0x710 [ 6817.935752][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.935752][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.935752][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.935752][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.935752][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.935752][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.935752][ T72] [ 6817.937265][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6817.937265][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6817.937265][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6817.937265][ T72] ipv6_find_idev+0x102/0x170 [ 6817.937265][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.937265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.937265][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.937265][ T72] netlink_unicast+0x449/0x710 [ 6817.937265][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.937265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.937265][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.937265][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.937265][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.937265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.937265][ T72] [ 6817.939042][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6817.939313][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6817.939313][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6817.939313][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6817.939313][ T72] fib6_nh_init+0xa22/0x1580 [ 6817.939313][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.939313][ T72] ip6_route_add+0x1c/0x140 [ 6817.939313][ T72] inet6_rtm_newroute+0x104/0x110 [ 6817.939313][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.939313][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.939313][ T72] netlink_unicast+0x449/0x710 [ 6817.939313][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.939313][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.939313][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.939313][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.939313][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.939313][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.939313][ T72] [ 6817.941397][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6817.941397][ T72] dst_init+0x84/0x4a0 [ 6817.941397][ T72] dst_alloc+0x97/0x150 [ 6817.941397][ T72] ip6_dst_alloc+0x23/0x90 [ 6817.941397][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6817.941397][ T72] ip6_pol_route+0x56f/0x840 [ 6817.941397][ T72] fib6_rule_lookup+0x456/0x630 [ 6817.941397][ T72] ip6_route_input+0x59c/0xa50 [ 6817.941397][ T72] ipv6_rcv+0x397/0x810 [ 6817.941397][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6817.941397][ T72] process_backlog+0x101/0x620 [ 6817.941397][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6817.941397][ T72] net_rx_action+0x495/0xbe0 [ 6817.941397][ T72] __do_softirq+0x1b5/0x7f6 [ 6817.941397][ T72] [ 6817.943231][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6817.943231][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.943231][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.943231][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.943231][ T72] ip6_route_add+0x1c/0x140 [ 6817.943231][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6817.943231][ T72] inet6_addr_add+0x4f8/0xa40 [ 6817.943231][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.943231][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.943231][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.943231][ T72] netlink_unicast+0x449/0x710 [ 6817.943231][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.943231][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.943231][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.943231][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.943231][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.943231][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.943231][ T72] [ 6817.945417][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6817.945417][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.945417][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.945417][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.945417][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6817.945417][ T72] ipv6_add_addr+0x411/0x2000 [ 6817.945417][ T72] inet6_addr_add+0x30e/0xa40 [ 6817.945417][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.945417][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.945417][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.945417][ T72] netlink_unicast+0x449/0x710 [ 6817.945417][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.945417][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.945417][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.945417][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.945417][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.945417][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.945417][ T72] [ 6817.947614][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6817.947614][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.947614][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.947614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.947614][ T72] ip6_route_add+0x1c/0x140 [ 6817.947614][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6817.947614][ T72] addrconf_add_dev+0xe2/0x170 [ 6817.947614][ T72] inet6_addr_add+0x12f/0xa40 [ 6817.947614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.947614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.947614][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.947614][ T72] netlink_unicast+0x449/0x710 [ 6817.947614][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.947614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.947614][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.947614][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.947614][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.947614][ T72] [ 6817.949769][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6817.949769][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6817.949769][ T72] ipv6_find_idev+0x102/0x170 [ 6817.949769][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.949769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.949769][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.949769][ T72] netlink_unicast+0x449/0x710 [ 6817.949769][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.949769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.949769][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.949769][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.949769][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.949769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.949769][ T72] [ 6817.951566][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6817.951566][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6817.951566][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6817.951566][ T72] ipv6_find_idev+0x102/0x170 [ 6817.951566][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.951566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.951566][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.951566][ T72] netlink_unicast+0x449/0x710 [ 6817.951566][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.951566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.951566][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.951566][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.951566][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.951566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.951566][ T72] [ 6817.953454][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6817.953807][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6817.953807][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.953807][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.953807][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.953807][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6817.953807][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6817.953807][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6817.953807][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6817.953807][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6817.953807][ T72] addrconf_dad_begin+0x310/0x670 [ 6817.953807][ T72] addrconf_dad_work+0x10b/0xab0 [ 6817.953807][ T72] process_one_work+0x84d/0x18a0 [ 6817.953807][ T72] worker_thread+0x587/0xd30 [ 6817.953807][ T72] kthread+0x28a/0x350 [ 6817.953807][ T72] ret_from_fork+0x31/0x70 [ 6817.953807][ T72] ret_from_fork_asm+0x1a/0x30 [ 6817.953807][ T72] [ 6817.955902][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6817.955902][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.955902][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.955902][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.955902][ T72] ip6_route_add+0x1c/0x140 [ 6817.955902][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6817.955902][ T72] inet6_addr_add+0x4f8/0xa40 [ 6817.955902][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.955902][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.955902][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.955902][ T72] netlink_unicast+0x449/0x710 [ 6817.955902][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.955902][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.955902][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.955902][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.955902][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.955902][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.955902][ T72] [ 6817.958153][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6817.958153][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.958153][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.958153][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.958153][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6817.958153][ T72] ipv6_add_addr+0x411/0x2000 [ 6817.958153][ T72] inet6_addr_add+0x30e/0xa40 [ 6817.958153][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.958153][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.958153][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.958153][ T72] netlink_unicast+0x449/0x710 [ 6817.958153][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.958153][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.958153][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.958153][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.958153][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.958153][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.958153][ T72] [ 6817.960445][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6817.960445][ T72] netdev_get_by_index+0x5e/0x80 [ 6817.960445][ T72] fib6_nh_init+0x3d8/0x1580 [ 6817.960445][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6817.960445][ T72] ip6_route_add+0x1c/0x140 [ 6817.960445][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6817.960445][ T72] addrconf_add_dev+0xe2/0x170 [ 6817.960445][ T72] inet6_addr_add+0x12f/0xa40 [ 6817.960445][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6817.960445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.960445][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.960445][ T72] netlink_unicast+0x449/0x710 [ 6817.960445][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.960445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.960445][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.960445][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.960445][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.960445][ T72] [ 6817.962647][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6817.962647][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6817.962647][ T72] ipv6_find_idev+0x102/0x170 [ 6817.962647][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.962647][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.962647][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.962647][ T72] netlink_unicast+0x449/0x710 [ 6817.962647][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.962647][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.962647][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.962647][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.962647][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.962647][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.962647][ T72] [ 6817.964368][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6817.964368][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6817.964368][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6817.964368][ T72] ipv6_find_idev+0x102/0x170 [ 6817.964368][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6817.964368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6817.964368][ T72] netlink_rcv_skb+0x130/0x360 [ 6817.964368][ T72] netlink_unicast+0x449/0x710 [ 6817.964368][ T72] netlink_sendmsg+0x723/0xbe0 [ 6817.964368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6817.964368][ T72] ___sys_sendmsg+0xee/0x170 [ 6817.964368][ T72] __sys_sendmsg+0xcd/0x170 [ 6817.964368][ T72] do_syscall_64+0xc6/0x1e0 [ 6817.964368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6817.964368][ T72] [ 6828.120989][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6828.121877][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6828.121877][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6828.121877][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6828.121877][ T72] fib6_nh_init+0xa22/0x1580 [ 6828.121877][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.121877][ T72] ip6_route_add+0x1c/0x140 [ 6828.121877][ T72] inet6_rtm_newroute+0x104/0x110 [ 6828.121877][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.121877][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.121877][ T72] netlink_unicast+0x449/0x710 [ 6828.121877][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.121877][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.121877][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.121877][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.121877][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.121877][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.121877][ T72] [ 6828.123775][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6828.123775][ T72] dst_init+0x84/0x4a0 [ 6828.123775][ T72] dst_alloc+0x97/0x150 [ 6828.123775][ T72] ip6_dst_alloc+0x23/0x90 [ 6828.123775][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6828.123775][ T72] ip6_pol_route+0x56f/0x840 [ 6828.123775][ T72] fib6_rule_lookup+0x456/0x630 [ 6828.123775][ T72] ip6_route_input+0x59c/0xa50 [ 6828.123775][ T72] ipv6_rcv+0x397/0x810 [ 6828.123775][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6828.123775][ T72] process_backlog+0x101/0x620 [ 6828.123775][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6828.123775][ T72] net_rx_action+0x495/0xbe0 [ 6828.123775][ T72] __do_softirq+0x1b5/0x7f6 [ 6828.123775][ T72] [ 6828.125360][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6828.125360][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.125360][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.125360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.125360][ T72] ip6_route_add+0x1c/0x140 [ 6828.125360][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6828.125360][ T72] inet6_addr_add+0x4f8/0xa40 [ 6828.125360][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.125360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.125360][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.125360][ T72] netlink_unicast+0x449/0x710 [ 6828.125360][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.125360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.125360][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.125360][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.125360][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.125360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.125360][ T72] [ 6828.127379][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6828.127379][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.127379][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.127379][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.127379][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6828.127379][ T72] ipv6_add_addr+0x411/0x2000 [ 6828.127379][ T72] inet6_addr_add+0x30e/0xa40 [ 6828.127379][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.127379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.127379][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.127379][ T72] netlink_unicast+0x449/0x710 [ 6828.127379][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.127379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.127379][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.127379][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.127379][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.127379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.127379][ T72] [ 6828.129342][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6828.129342][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.129342][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.129342][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.129342][ T72] ip6_route_add+0x1c/0x140 [ 6828.129342][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6828.129342][ T72] addrconf_add_dev+0xe2/0x170 [ 6828.129342][ T72] inet6_addr_add+0x12f/0xa40 [ 6828.129342][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.129342][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.129342][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.129342][ T72] netlink_unicast+0x449/0x710 [ 6828.129342][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.129342][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.129342][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.129342][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.129342][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.129342][ T72] [ 6828.131276][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6828.131276][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6828.131276][ T72] ipv6_find_idev+0x102/0x170 [ 6828.131276][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.131276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.131276][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.131276][ T72] netlink_unicast+0x449/0x710 [ 6828.131276][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.131276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.131276][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.131276][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.131276][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.131276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.131276][ T72] [ 6828.132842][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6828.132842][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6828.132842][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6828.132842][ T72] ipv6_find_idev+0x102/0x170 [ 6828.132842][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.132842][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.132842][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.132842][ T72] netlink_unicast+0x449/0x710 [ 6828.132842][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.132842][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.132842][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.132842][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.132842][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.132842][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.132842][ T72] [ 6828.134518][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6828.134818][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6828.134818][ T72] dst_init+0x84/0x4a0 [ 6828.134818][ T72] dst_alloc+0x97/0x150 [ 6828.134818][ T72] ip6_dst_alloc+0x23/0x90 [ 6828.134818][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6828.134818][ T72] ip6_pol_route+0x56f/0x840 [ 6828.134818][ T72] fib6_rule_lookup+0x456/0x630 [ 6828.134818][ T72] ip6_route_input+0x59c/0xa50 [ 6828.134818][ T72] ipv6_rcv+0x397/0x810 [ 6828.134818][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6828.134818][ T72] process_backlog+0x101/0x620 [ 6828.134818][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6828.134818][ T72] net_rx_action+0x495/0xbe0 [ 6828.134818][ T72] __do_softirq+0x1b5/0x7f6 [ 6828.134818][ T72] [ 6828.136462][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6828.136462][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.136462][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.136462][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.136462][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6828.136462][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6828.136462][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6828.136462][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6828.136462][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6828.136462][ T72] addrconf_dad_begin+0x310/0x670 [ 6828.136462][ T72] addrconf_dad_work+0x10b/0xab0 [ 6828.136462][ T72] process_one_work+0x84d/0x18a0 [ 6828.136462][ T72] worker_thread+0x587/0xd30 [ 6828.136462][ T72] kthread+0x28a/0x350 [ 6828.136462][ T72] ret_from_fork+0x31/0x70 [ 6828.136462][ T72] ret_from_fork_asm+0x1a/0x30 [ 6828.136462][ T72] [ 6828.138413][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6828.138413][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.138413][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.138413][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.138413][ T72] ip6_route_add+0x1c/0x140 [ 6828.138413][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6828.138413][ T72] inet6_addr_add+0x4f8/0xa40 [ 6828.138413][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.138413][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.138413][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.138413][ T72] netlink_unicast+0x449/0x710 [ 6828.138413][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.138413][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.138413][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.138413][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.138413][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.138413][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.138413][ T72] [ 6828.140375][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6828.140375][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.140375][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.140375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.140375][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6828.140375][ T72] ipv6_add_addr+0x411/0x2000 [ 6828.140375][ T72] inet6_addr_add+0x30e/0xa40 [ 6828.140375][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.140375][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.140375][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.140375][ T72] netlink_unicast+0x449/0x710 [ 6828.140375][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.140375][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.140375][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.140375][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.140375][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.140375][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.140375][ T72] [ 6828.142344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6828.142344][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.142344][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.142344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.142344][ T72] ip6_route_add+0x1c/0x140 [ 6828.142344][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6828.142344][ T72] addrconf_add_dev+0xe2/0x170 [ 6828.142344][ T72] inet6_addr_add+0x12f/0xa40 [ 6828.142344][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.142344][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.142344][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.142344][ T72] netlink_unicast+0x449/0x710 [ 6828.142344][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.142344][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.142344][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.142344][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.142344][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.142344][ T72] [ 6828.144330][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6828.144330][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6828.144330][ T72] ipv6_find_idev+0x102/0x170 [ 6828.144330][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.144330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.144330][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.144330][ T72] netlink_unicast+0x449/0x710 [ 6828.144330][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.144330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.144330][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.144330][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.144330][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.144330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.144330][ T72] [ 6828.145884][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6828.145884][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6828.145884][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6828.145884][ T72] ipv6_find_idev+0x102/0x170 [ 6828.145884][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.145884][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.145884][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.145884][ T72] netlink_unicast+0x449/0x710 [ 6828.145884][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.145884][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.145884][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.145884][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.145884][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.145884][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.145884][ T72] [ 6828.147695][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6828.147994][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6828.147994][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6828.147994][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6828.147994][ T72] fib6_nh_init+0xa22/0x1580 [ 6828.147994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.147994][ T72] ip6_route_add+0x1c/0x140 [ 6828.147994][ T72] inet6_rtm_newroute+0x104/0x110 [ 6828.147994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.147994][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.147994][ T72] netlink_unicast+0x449/0x710 [ 6828.147994][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.147994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.147994][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.147994][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.147994][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.147994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.147994][ T72] [ 6828.150121][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6828.150121][ T72] dst_init+0x84/0x4a0 [ 6828.150121][ T72] dst_alloc+0x97/0x150 [ 6828.150121][ T72] ip6_dst_alloc+0x23/0x90 [ 6828.150121][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6828.150121][ T72] ip6_pol_route+0x56f/0x840 [ 6828.150121][ T72] fib6_rule_lookup+0x456/0x630 [ 6828.150121][ T72] ip6_route_input+0x59c/0xa50 [ 6828.150121][ T72] ipv6_rcv+0x397/0x810 [ 6828.150121][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6828.150121][ T72] process_backlog+0x101/0x620 [ 6828.150121][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6828.150121][ T72] net_rx_action+0x495/0xbe0 [ 6828.150121][ T72] __do_softirq+0x1b5/0x7f6 [ 6828.150121][ T72] [ 6828.151973][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6828.151973][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.151973][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.151973][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.151973][ T72] ip6_route_add+0x1c/0x140 [ 6828.151973][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6828.151973][ T72] inet6_addr_add+0x4f8/0xa40 [ 6828.151973][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.151973][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.151973][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.151973][ T72] netlink_unicast+0x449/0x710 [ 6828.151973][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.151973][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.151973][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.151973][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.151973][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.151973][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.151973][ T72] [ 6828.154136][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6828.154136][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.154136][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.154136][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.154136][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6828.154136][ T72] ipv6_add_addr+0x411/0x2000 [ 6828.154136][ T72] inet6_addr_add+0x30e/0xa40 [ 6828.154136][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.154136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.154136][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.154136][ T72] netlink_unicast+0x449/0x710 [ 6828.154136][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.154136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.154136][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.154136][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.154136][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.154136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.154136][ T72] [ 6828.156354][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6828.156354][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.156354][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.156354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.156354][ T72] ip6_route_add+0x1c/0x140 [ 6828.156354][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6828.156354][ T72] addrconf_add_dev+0xe2/0x170 [ 6828.156354][ T72] inet6_addr_add+0x12f/0xa40 [ 6828.156354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.156354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.156354][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.156354][ T72] netlink_unicast+0x449/0x710 [ 6828.156354][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.156354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.156354][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.156354][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.156354][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.156354][ T72] [ 6828.158633][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6828.158633][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6828.158633][ T72] ipv6_find_idev+0x102/0x170 [ 6828.158633][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.158633][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.158633][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.158633][ T72] netlink_unicast+0x449/0x710 [ 6828.158633][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.158633][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.158633][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.158633][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.158633][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.158633][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.158633][ T72] [ 6828.160315][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6828.160315][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6828.160315][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6828.160315][ T72] ipv6_find_idev+0x102/0x170 [ 6828.160315][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.160315][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.160315][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.160315][ T72] netlink_unicast+0x449/0x710 [ 6828.160315][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.160315][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.160315][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.160315][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.160315][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.160315][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.160315][ T72] [ 6828.162144][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6828.162468][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6828.162468][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.162468][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.162468][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.162468][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6828.162468][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6828.162468][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6828.162468][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6828.162468][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6828.162468][ T72] addrconf_dad_begin+0x310/0x670 [ 6828.162468][ T72] addrconf_dad_work+0x10b/0xab0 [ 6828.162468][ T72] process_one_work+0x84d/0x18a0 [ 6828.162468][ T72] worker_thread+0x587/0xd30 [ 6828.162468][ T72] kthread+0x28a/0x350 [ 6828.162468][ T72] ret_from_fork+0x31/0x70 [ 6828.162468][ T72] ret_from_fork_asm+0x1a/0x30 [ 6828.162468][ T72] [ 6828.164597][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6828.164597][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.164597][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.164597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.164597][ T72] ip6_route_add+0x1c/0x140 [ 6828.164597][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6828.164597][ T72] inet6_addr_add+0x4f8/0xa40 [ 6828.164597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.164597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.164597][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.164597][ T72] netlink_unicast+0x449/0x710 [ 6828.164597][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.164597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.164597][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.164597][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.164597][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.164597][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.164597][ T72] [ 6828.166827][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6828.166827][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.166827][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.166827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.166827][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6828.166827][ T72] ipv6_add_addr+0x411/0x2000 [ 6828.166827][ T72] inet6_addr_add+0x30e/0xa40 [ 6828.166827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.166827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.166827][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.166827][ T72] netlink_unicast+0x449/0x710 [ 6828.166827][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.166827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.166827][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.166827][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.166827][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.166827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.166827][ T72] [ 6828.169106][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6828.169106][ T72] netdev_get_by_index+0x5e/0x80 [ 6828.169106][ T72] fib6_nh_init+0x3d8/0x1580 [ 6828.169106][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6828.169106][ T72] ip6_route_add+0x1c/0x140 [ 6828.169106][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6828.169106][ T72] addrconf_add_dev+0xe2/0x170 [ 6828.169106][ T72] inet6_addr_add+0x12f/0xa40 [ 6828.169106][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.169106][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.169106][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.169106][ T72] netlink_unicast+0x449/0x710 [ 6828.169106][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.169106][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.169106][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.169106][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.169106][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.169106][ T72] [ 6828.171368][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6828.171368][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6828.171368][ T72] ipv6_find_idev+0x102/0x170 [ 6828.171368][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.171368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.171368][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.171368][ T72] netlink_unicast+0x449/0x710 [ 6828.171368][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.171368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.171368][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.171368][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.171368][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.171368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.171368][ T72] [ 6828.173130][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6828.173130][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6828.173130][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6828.173130][ T72] ipv6_find_idev+0x102/0x170 [ 6828.173130][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.173130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.173130][ T72] netlink_rcv_skb+0x130/0x360 [ 6828.173130][ T72] netlink_unicast+0x449/0x710 [ 6828.173130][ T72] netlink_sendmsg+0x723/0xbe0 [ 6828.173130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6828.173130][ T72] ___sys_sendmsg+0xee/0x170 [ 6828.173130][ T72] __sys_sendmsg+0xcd/0x170 [ 6828.173130][ T72] do_syscall_64+0xc6/0x1e0 [ 6828.173130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.173130][ T72] [ 6838.424985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6838.425804][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6838.425804][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6838.425804][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6838.425804][ T72] fib6_nh_init+0xa22/0x1580 [ 6838.425804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.425804][ T72] ip6_route_add+0x1c/0x140 [ 6838.425804][ T72] inet6_rtm_newroute+0x104/0x110 [ 6838.425804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.425804][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.425804][ T72] netlink_unicast+0x449/0x710 [ 6838.425804][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.425804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.425804][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.425804][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.425804][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.425804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.425804][ T72] [ 6838.427648][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6838.427648][ T72] dst_init+0x84/0x4a0 [ 6838.427648][ T72] dst_alloc+0x97/0x150 [ 6838.427648][ T72] ip6_dst_alloc+0x23/0x90 [ 6838.427648][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6838.427648][ T72] ip6_pol_route+0x56f/0x840 [ 6838.427648][ T72] fib6_rule_lookup+0x456/0x630 [ 6838.427648][ T72] ip6_route_input+0x59c/0xa50 [ 6838.427648][ T72] ipv6_rcv+0x397/0x810 [ 6838.427648][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6838.427648][ T72] process_backlog+0x101/0x620 [ 6838.427648][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6838.427648][ T72] net_rx_action+0x495/0xbe0 [ 6838.427648][ T72] __do_softirq+0x1b5/0x7f6 [ 6838.427648][ T72] [ 6838.429182][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6838.429182][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.429182][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.429182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.429182][ T72] ip6_route_add+0x1c/0x140 [ 6838.429182][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6838.429182][ T72] inet6_addr_add+0x4f8/0xa40 [ 6838.429182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.429182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.429182][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.429182][ T72] netlink_unicast+0x449/0x710 [ 6838.429182][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.429182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.429182][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.429182][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.429182][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.429182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.429182][ T72] [ 6838.431137][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6838.431137][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.431137][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.431137][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.431137][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6838.431137][ T72] ipv6_add_addr+0x411/0x2000 [ 6838.431137][ T72] inet6_addr_add+0x30e/0xa40 [ 6838.431137][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.431137][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.431137][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.431137][ T72] netlink_unicast+0x449/0x710 [ 6838.431137][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.431137][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.431137][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.431137][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.431137][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.431137][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.431137][ T72] [ 6838.433004][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6838.433004][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.433004][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.433004][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.433004][ T72] ip6_route_add+0x1c/0x140 [ 6838.433004][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6838.433004][ T72] addrconf_add_dev+0xe2/0x170 [ 6838.433004][ T72] inet6_addr_add+0x12f/0xa40 [ 6838.433004][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.433004][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.433004][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.433004][ T72] netlink_unicast+0x449/0x710 [ 6838.433004][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.433004][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.433004][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.433004][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.433004][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.433004][ T72] [ 6838.434837][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6838.434837][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6838.434837][ T72] ipv6_find_idev+0x102/0x170 [ 6838.434837][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6838.434837][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.434837][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.434837][ T72] netlink_unicast+0x449/0x710 [ 6838.434837][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.434837][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.434837][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.434837][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.434837][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.434837][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.434837][ T72] [ 6838.436273][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6838.436273][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6838.436273][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6838.436273][ T72] ipv6_find_idev+0x102/0x170 [ 6838.436273][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6838.436273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.436273][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.436273][ T72] netlink_unicast+0x449/0x710 [ 6838.436273][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.436273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.436273][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.436273][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.436273][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.436273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.436273][ T72] [ 6838.437984][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6838.438273][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6838.438273][ T72] dst_init+0x84/0x4a0 [ 6838.438273][ T72] dst_alloc+0x97/0x150 [ 6838.438273][ T72] ip6_dst_alloc+0x23/0x90 [ 6838.438273][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6838.438273][ T72] ip6_pol_route+0x56f/0x840 [ 6838.438273][ T72] fib6_rule_lookup+0x456/0x630 [ 6838.438273][ T72] ip6_route_input+0x59c/0xa50 [ 6838.438273][ T72] ipv6_rcv+0x397/0x810 [ 6838.438273][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6838.438273][ T72] process_backlog+0x101/0x620 [ 6838.438273][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6838.438273][ T72] net_rx_action+0x495/0xbe0 [ 6838.438273][ T72] __do_softirq+0x1b5/0x7f6 [ 6838.438273][ T72] [ 6838.440049][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6838.440049][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.440049][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.440049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.440049][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6838.440049][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6838.440049][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6838.440049][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6838.440049][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6838.440049][ T72] addrconf_dad_begin+0x310/0x670 [ 6838.440049][ T72] addrconf_dad_work+0x10b/0xab0 [ 6838.440049][ T72] process_one_work+0x84d/0x18a0 [ 6838.440049][ T72] worker_thread+0x587/0xd30 [ 6838.440049][ T72] kthread+0x28a/0x350 [ 6838.440049][ T72] ret_from_fork+0x31/0x70 [ 6838.440049][ T72] ret_from_fork_asm+0x1a/0x30 [ 6838.440049][ T72] [ 6838.441921][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6838.441921][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.441921][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.441921][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.441921][ T72] ip6_route_add+0x1c/0x140 [ 6838.441921][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6838.441921][ T72] inet6_addr_add+0x4f8/0xa40 [ 6838.441921][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.441921][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.441921][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.441921][ T72] netlink_unicast+0x449/0x710 [ 6838.441921][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.441921][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.441921][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.441921][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.441921][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.441921][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.441921][ T72] [ 6838.444463][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6838.444463][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.444463][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.444463][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.444463][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6838.444463][ T72] ipv6_add_addr+0x411/0x2000 [ 6838.444463][ T72] inet6_addr_add+0x30e/0xa40 [ 6838.444463][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.444463][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.444463][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.444463][ T72] netlink_unicast+0x449/0x710 [ 6838.444463][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.444463][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.444463][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.444463][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.444463][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.444463][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.444463][ T72] [ 6838.446449][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6838.446449][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.446449][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.446449][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.446449][ T72] ip6_route_add+0x1c/0x140 [ 6838.446449][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6838.446449][ T72] addrconf_add_dev+0xe2/0x170 [ 6838.446449][ T72] inet6_addr_add+0x12f/0xa40 [ 6838.446449][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.446449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.446449][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.446449][ T72] netlink_unicast+0x449/0x710 [ 6838.446449][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.446449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.446449][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.446449][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.446449][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.446449][ T72] [ 6838.448465][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6838.448465][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6838.448465][ T72] ipv6_find_idev+0x102/0x170 [ 6838.448465][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6838.448465][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.448465][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.448465][ T72] netlink_unicast+0x449/0x710 [ 6838.448465][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.448465][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.448465][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.448465][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.448465][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.448465][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.448465][ T72] [ 6838.450008][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6838.450008][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6838.450008][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6838.450008][ T72] ipv6_find_idev+0x102/0x170 [ 6838.450008][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6838.450008][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.450008][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.450008][ T72] netlink_unicast+0x449/0x710 [ 6838.450008][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.450008][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.450008][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.450008][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.450008][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.450008][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.450008][ T72] [ 6838.451861][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6838.452135][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6838.452135][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6838.452135][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6838.452135][ T72] fib6_nh_init+0xa22/0x1580 [ 6838.452135][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.452135][ T72] ip6_route_add+0x1c/0x140 [ 6838.452135][ T72] inet6_rtm_newroute+0x104/0x110 [ 6838.452135][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.452135][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.452135][ T72] netlink_unicast+0x449/0x710 [ 6838.452135][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.452135][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.452135][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.452135][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.452135][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.452135][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.452135][ T72] [ 6838.454275][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6838.454275][ T72] dst_init+0x84/0x4a0 [ 6838.454275][ T72] dst_alloc+0x97/0x150 [ 6838.454275][ T72] ip6_dst_alloc+0x23/0x90 [ 6838.454275][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6838.454275][ T72] ip6_pol_route+0x56f/0x840 [ 6838.454275][ T72] fib6_rule_lookup+0x456/0x630 [ 6838.454275][ T72] ip6_route_input+0x59c/0xa50 [ 6838.454275][ T72] ipv6_rcv+0x397/0x810 [ 6838.454275][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6838.454275][ T72] process_backlog+0x101/0x620 [ 6838.454275][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6838.454275][ T72] net_rx_action+0x495/0xbe0 [ 6838.454275][ T72] __do_softirq+0x1b5/0x7f6 [ 6838.454275][ T72] [ 6838.456162][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6838.456162][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.456162][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.456162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.456162][ T72] ip6_route_add+0x1c/0x140 [ 6838.456162][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6838.456162][ T72] inet6_addr_add+0x4f8/0xa40 [ 6838.456162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.456162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.456162][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.456162][ T72] netlink_unicast+0x449/0x710 [ 6838.456162][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.456162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.456162][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.456162][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.456162][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.456162][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.456162][ T72] [ 6838.458348][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6838.458348][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.458348][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.458348][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.458348][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6838.458348][ T72] ipv6_add_addr+0x411/0x2000 [ 6838.458348][ T72] inet6_addr_add+0x30e/0xa40 [ 6838.458348][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.458348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.458348][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.458348][ T72] netlink_unicast+0x449/0x710 [ 6838.458348][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.458348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.458348][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.458348][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.458348][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.458348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.458348][ T72] [ 6838.460590][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6838.460590][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.460590][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.460590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.460590][ T72] ip6_route_add+0x1c/0x140 [ 6838.460590][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6838.460590][ T72] addrconf_add_dev+0xe2/0x170 [ 6838.460590][ T72] inet6_addr_add+0x12f/0xa40 [ 6838.460590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.460590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.460590][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.460590][ T72] netlink_unicast+0x449/0x710 [ 6838.460590][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.460590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.460590][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.460590][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.460590][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.460590][ T72] [ 6838.462854][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6838.462854][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6838.462854][ T72] ipv6_find_idev+0x102/0x170 [ 6838.462854][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6838.462854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.462854][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.462854][ T72] netlink_unicast+0x449/0x710 [ 6838.462854][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.462854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.462854][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.462854][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.462854][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.462854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.462854][ T72] [ 6838.464569][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6838.464569][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6838.464569][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6838.464569][ T72] ipv6_find_idev+0x102/0x170 [ 6838.464569][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6838.464569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.464569][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.464569][ T72] netlink_unicast+0x449/0x710 [ 6838.464569][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.464569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.464569][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.464569][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.464569][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.464569][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.464569][ T72] [ 6838.466435][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6838.466796][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6838.466796][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.466796][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.466796][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.466796][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6838.466796][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6838.466796][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6838.466796][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6838.466796][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6838.466796][ T72] addrconf_dad_begin+0x310/0x670 [ 6838.466796][ T72] addrconf_dad_work+0x10b/0xab0 [ 6838.466796][ T72] process_one_work+0x84d/0x18a0 [ 6838.466796][ T72] worker_thread+0x587/0xd30 [ 6838.466796][ T72] kthread+0x28a/0x350 [ 6838.466796][ T72] ret_from_fork+0x31/0x70 [ 6838.466796][ T72] ret_from_fork_asm+0x1a/0x30 [ 6838.466796][ T72] [ 6838.468833][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6838.468833][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.468833][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.468833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.468833][ T72] ip6_route_add+0x1c/0x140 [ 6838.468833][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6838.468833][ T72] inet6_addr_add+0x4f8/0xa40 [ 6838.468833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.468833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.468833][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.468833][ T72] netlink_unicast+0x449/0x710 [ 6838.468833][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.468833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.468833][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.468833][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.468833][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.468833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.468833][ T72] [ 6838.471727][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6838.471727][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.471727][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.471727][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.471727][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6838.471727][ T72] ipv6_add_addr+0x411/0x2000 [ 6838.471727][ T72] inet6_addr_add+0x30e/0xa40 [ 6838.471727][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.471727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.471727][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.471727][ T72] netlink_unicast+0x449/0x710 [ 6838.471727][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.471727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.471727][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.471727][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.471727][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.471727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.471727][ T72] [ 6838.474062][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6838.474062][ T72] netdev_get_by_index+0x5e/0x80 [ 6838.474062][ T72] fib6_nh_init+0x3d8/0x1580 [ 6838.474062][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6838.474062][ T72] ip6_route_add+0x1c/0x140 [ 6838.474062][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6838.474062][ T72] addrconf_add_dev+0xe2/0x170 [ 6838.474062][ T72] inet6_addr_add+0x12f/0xa40 [ 6838.474062][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6838.474062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.474062][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.474062][ T72] netlink_unicast+0x449/0x710 [ 6838.474062][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.474062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.474062][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.474062][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.474062][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.474062][ T72] [ 6838.476287][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6838.476287][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6838.476287][ T72] ipv6_find_idev+0x102/0x170 [ 6838.476287][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6838.476287][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.476287][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.476287][ T72] netlink_unicast+0x449/0x710 [ 6838.476287][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.476287][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.476287][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.476287][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.476287][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.476287][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.476287][ T72] [ 6838.478041][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6838.478041][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6838.478041][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6838.478041][ T72] ipv6_find_idev+0x102/0x170 [ 6838.478041][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6838.478041][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6838.478041][ T72] netlink_rcv_skb+0x130/0x360 [ 6838.478041][ T72] netlink_unicast+0x449/0x710 [ 6838.478041][ T72] netlink_sendmsg+0x723/0xbe0 [ 6838.478041][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6838.478041][ T72] ___sys_sendmsg+0xee/0x170 [ 6838.478041][ T72] __sys_sendmsg+0xcd/0x170 [ 6838.478041][ T72] do_syscall_64+0xc6/0x1e0 [ 6838.478041][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6838.478041][ T72] [ 6848.480979][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6848.481685][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6848.481685][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6848.481685][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6848.481685][ T72] fib6_nh_init+0xa22/0x1580 [ 6848.481685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.481685][ T72] ip6_route_add+0x1c/0x140 [ 6848.481685][ T72] inet6_rtm_newroute+0x104/0x110 [ 6848.481685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.481685][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.481685][ T72] netlink_unicast+0x449/0x710 [ 6848.481685][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.481685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.481685][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.481685][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.481685][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.481685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.481685][ T72] [ 6848.483531][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6848.483531][ T72] dst_init+0x84/0x4a0 [ 6848.483531][ T72] dst_alloc+0x97/0x150 [ 6848.483531][ T72] ip6_dst_alloc+0x23/0x90 [ 6848.483531][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6848.483531][ T72] ip6_pol_route+0x56f/0x840 [ 6848.483531][ T72] fib6_rule_lookup+0x456/0x630 [ 6848.483531][ T72] ip6_route_input+0x59c/0xa50 [ 6848.483531][ T72] ipv6_rcv+0x397/0x810 [ 6848.483531][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6848.483531][ T72] process_backlog+0x101/0x620 [ 6848.483531][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6848.483531][ T72] net_rx_action+0x495/0xbe0 [ 6848.483531][ T72] __do_softirq+0x1b5/0x7f6 [ 6848.483531][ T72] [ 6848.485098][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6848.485098][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.485098][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.485098][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.485098][ T72] ip6_route_add+0x1c/0x140 [ 6848.485098][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6848.485098][ T72] inet6_addr_add+0x4f8/0xa40 [ 6848.485098][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.485098][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.485098][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.485098][ T72] netlink_unicast+0x449/0x710 [ 6848.485098][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.485098][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.485098][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.485098][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.485098][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.485098][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.485098][ T72] [ 6848.486995][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6848.486995][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.486995][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.486995][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.486995][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6848.486995][ T72] ipv6_add_addr+0x411/0x2000 [ 6848.486995][ T72] inet6_addr_add+0x30e/0xa40 [ 6848.486995][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.486995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.486995][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.486995][ T72] netlink_unicast+0x449/0x710 [ 6848.486995][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.486995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.486995][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.486995][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.486995][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.486995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.486995][ T72] [ 6848.488878][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6848.488878][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.488878][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.488878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.488878][ T72] ip6_route_add+0x1c/0x140 [ 6848.488878][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6848.488878][ T72] addrconf_add_dev+0xe2/0x170 [ 6848.488878][ T72] inet6_addr_add+0x12f/0xa40 [ 6848.488878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.488878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.488878][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.488878][ T72] netlink_unicast+0x449/0x710 [ 6848.488878][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.488878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.488878][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.488878][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.488878][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.488878][ T72] [ 6848.490839][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6848.490839][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6848.490839][ T72] ipv6_find_idev+0x102/0x170 [ 6848.490839][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6848.490839][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.490839][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.490839][ T72] netlink_unicast+0x449/0x710 [ 6848.490839][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.490839][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.490839][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.490839][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.490839][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.490839][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.490839][ T72] [ 6848.492363][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6848.492363][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6848.492363][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6848.492363][ T72] ipv6_find_idev+0x102/0x170 [ 6848.492363][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6848.492363][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.492363][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.492363][ T72] netlink_unicast+0x449/0x710 [ 6848.492363][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.492363][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.492363][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.492363][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.492363][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.492363][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.492363][ T72] [ 6848.494075][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6848.494368][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6848.494368][ T72] dst_init+0x84/0x4a0 [ 6848.494368][ T72] dst_alloc+0x97/0x150 [ 6848.494368][ T72] ip6_dst_alloc+0x23/0x90 [ 6848.494368][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6848.494368][ T72] ip6_pol_route+0x56f/0x840 [ 6848.494368][ T72] fib6_rule_lookup+0x456/0x630 [ 6848.494368][ T72] ip6_route_input+0x59c/0xa50 [ 6848.494368][ T72] ipv6_rcv+0x397/0x810 [ 6848.494368][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6848.494368][ T72] process_backlog+0x101/0x620 [ 6848.494368][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6848.494368][ T72] net_rx_action+0x495/0xbe0 [ 6848.494368][ T72] __do_softirq+0x1b5/0x7f6 [ 6848.494368][ T72] [ 6848.496020][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6848.496020][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.496020][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.496020][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.496020][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6848.496020][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6848.496020][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6848.496020][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6848.496020][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6848.496020][ T72] addrconf_dad_begin+0x310/0x670 [ 6848.496020][ T72] addrconf_dad_work+0x10b/0xab0 [ 6848.496020][ T72] process_one_work+0x84d/0x18a0 [ 6848.496020][ T72] worker_thread+0x587/0xd30 [ 6848.496020][ T72] kthread+0x28a/0x350 [ 6848.496020][ T72] ret_from_fork+0x31/0x70 [ 6848.496020][ T72] ret_from_fork_asm+0x1a/0x30 [ 6848.496020][ T72] [ 6848.497960][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6848.497960][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.497960][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.497960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.497960][ T72] ip6_route_add+0x1c/0x140 [ 6848.497960][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6848.497960][ T72] inet6_addr_add+0x4f8/0xa40 [ 6848.497960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.497960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.497960][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.497960][ T72] netlink_unicast+0x449/0x710 [ 6848.497960][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.497960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.497960][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.497960][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.497960][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.497960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.497960][ T72] [ 6848.499923][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6848.499923][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.499923][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.499923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.499923][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6848.499923][ T72] ipv6_add_addr+0x411/0x2000 [ 6848.499923][ T72] inet6_addr_add+0x30e/0xa40 [ 6848.499923][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.499923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.499923][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.499923][ T72] netlink_unicast+0x449/0x710 [ 6848.499923][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.499923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.499923][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.499923][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.499923][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.499923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.499923][ T72] [ 6848.501892][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6848.501892][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.501892][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.501892][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.501892][ T72] ip6_route_add+0x1c/0x140 [ 6848.501892][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6848.501892][ T72] addrconf_add_dev+0xe2/0x170 [ 6848.501892][ T72] inet6_addr_add+0x12f/0xa40 [ 6848.501892][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.501892][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.501892][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.501892][ T72] netlink_unicast+0x449/0x710 [ 6848.501892][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.501892][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.501892][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.501892][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.501892][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.501892][ T72] [ 6848.503811][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6848.503811][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6848.503811][ T72] ipv6_find_idev+0x102/0x170 [ 6848.503811][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6848.503811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.503811][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.503811][ T72] netlink_unicast+0x449/0x710 [ 6848.503811][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.503811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.503811][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.503811][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.503811][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.503811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.503811][ T72] [ 6848.505314][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6848.505314][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6848.505314][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6848.505314][ T72] ipv6_find_idev+0x102/0x170 [ 6848.505314][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6848.505314][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.505314][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.505314][ T72] netlink_unicast+0x449/0x710 [ 6848.505314][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.505314][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.505314][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.505314][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.505314][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.505314][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.505314][ T72] [ 6848.507096][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6848.507359][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6848.507359][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6848.507359][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6848.507359][ T72] fib6_nh_init+0xa22/0x1580 [ 6848.507359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.507359][ T72] ip6_route_add+0x1c/0x140 [ 6848.507359][ T72] inet6_rtm_newroute+0x104/0x110 [ 6848.507359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.507359][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.507359][ T72] netlink_unicast+0x449/0x710 [ 6848.507359][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.507359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.507359][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.507359][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.507359][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.507359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.507359][ T72] [ 6848.509435][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6848.509435][ T72] dst_init+0x84/0x4a0 [ 6848.509435][ T72] dst_alloc+0x97/0x150 [ 6848.509435][ T72] ip6_dst_alloc+0x23/0x90 [ 6848.509435][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6848.509435][ T72] ip6_pol_route+0x56f/0x840 [ 6848.509435][ T72] fib6_rule_lookup+0x456/0x630 [ 6848.509435][ T72] ip6_route_input+0x59c/0xa50 [ 6848.509435][ T72] ipv6_rcv+0x397/0x810 [ 6848.509435][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6848.509435][ T72] process_backlog+0x101/0x620 [ 6848.509435][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6848.509435][ T72] net_rx_action+0x495/0xbe0 [ 6848.509435][ T72] __do_softirq+0x1b5/0x7f6 [ 6848.509435][ T72] [ 6848.511294][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6848.511294][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.511294][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.511294][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.511294][ T72] ip6_route_add+0x1c/0x140 [ 6848.511294][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6848.511294][ T72] inet6_addr_add+0x4f8/0xa40 [ 6848.511294][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.511294][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.511294][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.511294][ T72] netlink_unicast+0x449/0x710 [ 6848.511294][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.511294][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.511294][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.511294][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.511294][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.511294][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.511294][ T72] [ 6848.513473][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6848.513473][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.513473][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.513473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.513473][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6848.513473][ T72] ipv6_add_addr+0x411/0x2000 [ 6848.513473][ T72] inet6_addr_add+0x30e/0xa40 [ 6848.513473][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.513473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.513473][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.513473][ T72] netlink_unicast+0x449/0x710 [ 6848.513473][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.513473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.513473][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.513473][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.513473][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.513473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.513473][ T72] [ 6848.515706][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6848.515706][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.515706][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.515706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.515706][ T72] ip6_route_add+0x1c/0x140 [ 6848.515706][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6848.515706][ T72] addrconf_add_dev+0xe2/0x170 [ 6848.515706][ T72] inet6_addr_add+0x12f/0xa40 [ 6848.515706][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.515706][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.515706][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.515706][ T72] netlink_unicast+0x449/0x710 [ 6848.515706][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.515706][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.515706][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.515706][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.515706][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.515706][ T72] [ 6848.517994][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6848.517994][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6848.517994][ T72] ipv6_find_idev+0x102/0x170 [ 6848.517994][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6848.517994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.517994][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.517994][ T72] netlink_unicast+0x449/0x710 [ 6848.517994][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.517994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.517994][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.517994][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.517994][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.517994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.517994][ T72] [ 6848.519714][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6848.519714][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6848.519714][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6848.519714][ T72] ipv6_find_idev+0x102/0x170 [ 6848.519714][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6848.519714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.519714][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.519714][ T72] netlink_unicast+0x449/0x710 [ 6848.519714][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.519714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.519714][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.519714][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.519714][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.519714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.519714][ T72] [ 6848.521570][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6848.522358][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6848.522358][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.522358][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.522358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.522358][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6848.522358][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6848.522358][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6848.522358][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6848.522358][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6848.522358][ T72] addrconf_dad_begin+0x310/0x670 [ 6848.522358][ T72] addrconf_dad_work+0x10b/0xab0 [ 6848.522358][ T72] process_one_work+0x84d/0x18a0 [ 6848.522358][ T72] worker_thread+0x587/0xd30 [ 6848.522358][ T72] kthread+0x28a/0x350 [ 6848.522358][ T72] ret_from_fork+0x31/0x70 [ 6848.522358][ T72] ret_from_fork_asm+0x1a/0x30 [ 6848.522358][ T72] [ 6848.524293][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6848.524293][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.524293][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.524293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.524293][ T72] ip6_route_add+0x1c/0x140 [ 6848.524293][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6848.524293][ T72] inet6_addr_add+0x4f8/0xa40 [ 6848.524293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.524293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.524293][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.524293][ T72] netlink_unicast+0x449/0x710 [ 6848.524293][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.524293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.524293][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.524293][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.524293][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.524293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.524293][ T72] [ 6848.526406][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6848.526406][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.526406][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.526406][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.526406][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6848.526406][ T72] ipv6_add_addr+0x411/0x2000 [ 6848.526406][ T72] inet6_addr_add+0x30e/0xa40 [ 6848.526406][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.526406][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.526406][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.526406][ T72] netlink_unicast+0x449/0x710 [ 6848.526406][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.526406][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.526406][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.526406][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.526406][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.526406][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.526406][ T72] [ 6848.528677][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6848.528677][ T72] netdev_get_by_index+0x5e/0x80 [ 6848.528677][ T72] fib6_nh_init+0x3d8/0x1580 [ 6848.528677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6848.528677][ T72] ip6_route_add+0x1c/0x140 [ 6848.528677][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6848.528677][ T72] addrconf_add_dev+0xe2/0x170 [ 6848.528677][ T72] inet6_addr_add+0x12f/0xa40 [ 6848.528677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6848.528677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.528677][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.528677][ T72] netlink_unicast+0x449/0x710 [ 6848.528677][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.528677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.528677][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.528677][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.528677][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.528677][ T72] [ 6848.530905][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6848.530905][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6848.530905][ T72] ipv6_find_idev+0x102/0x170 [ 6848.530905][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6848.530905][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.530905][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.530905][ T72] netlink_unicast+0x449/0x710 [ 6848.530905][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.530905][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.530905][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.530905][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.530905][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.530905][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.530905][ T72] [ 6848.532583][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6848.532583][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6848.532583][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6848.532583][ T72] ipv6_find_idev+0x102/0x170 [ 6848.532583][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6848.532583][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6848.532583][ T72] netlink_rcv_skb+0x130/0x360 [ 6848.532583][ T72] netlink_unicast+0x449/0x710 [ 6848.532583][ T72] netlink_sendmsg+0x723/0xbe0 [ 6848.532583][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6848.532583][ T72] ___sys_sendmsg+0xee/0x170 [ 6848.532583][ T72] __sys_sendmsg+0xcd/0x170 [ 6848.532583][ T72] do_syscall_64+0xc6/0x1e0 [ 6848.532583][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6848.532583][ T72] [ 6858.841102][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6858.841802][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6858.841802][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6858.841802][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6858.841802][ T72] fib6_nh_init+0xa22/0x1580 [ 6858.841802][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.841802][ T72] ip6_route_add+0x1c/0x140 [ 6858.841802][ T72] inet6_rtm_newroute+0x104/0x110 [ 6858.841802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.841802][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.841802][ T72] netlink_unicast+0x449/0x710 [ 6858.841802][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.841802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.841802][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.841802][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.841802][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.841802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.841802][ T72] [ 6858.843637][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6858.843637][ T72] dst_init+0x84/0x4a0 [ 6858.843637][ T72] dst_alloc+0x97/0x150 [ 6858.843637][ T72] ip6_dst_alloc+0x23/0x90 [ 6858.843637][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6858.843637][ T72] ip6_pol_route+0x56f/0x840 [ 6858.843637][ T72] fib6_rule_lookup+0x456/0x630 [ 6858.843637][ T72] ip6_route_input+0x59c/0xa50 [ 6858.843637][ T72] ipv6_rcv+0x397/0x810 [ 6858.843637][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6858.843637][ T72] process_backlog+0x101/0x620 [ 6858.843637][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6858.843637][ T72] net_rx_action+0x495/0xbe0 [ 6858.843637][ T72] __do_softirq+0x1b5/0x7f6 [ 6858.843637][ T72] [ 6858.845166][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6858.845166][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.845166][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.845166][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.845166][ T72] ip6_route_add+0x1c/0x140 [ 6858.845166][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6858.845166][ T72] inet6_addr_add+0x4f8/0xa40 [ 6858.845166][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.845166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.845166][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.845166][ T72] netlink_unicast+0x449/0x710 [ 6858.845166][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.845166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.845166][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.845166][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.845166][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.845166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.845166][ T72] [ 6858.847055][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6858.847055][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.847055][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.847055][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.847055][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6858.847055][ T72] ipv6_add_addr+0x411/0x2000 [ 6858.847055][ T72] inet6_addr_add+0x30e/0xa40 [ 6858.847055][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.847055][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.847055][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.847055][ T72] netlink_unicast+0x449/0x710 [ 6858.847055][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.847055][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.847055][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.847055][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.847055][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.847055][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.847055][ T72] [ 6858.849073][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6858.849073][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.849073][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.849073][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.849073][ T72] ip6_route_add+0x1c/0x140 [ 6858.849073][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6858.849073][ T72] addrconf_add_dev+0xe2/0x170 [ 6858.849073][ T72] inet6_addr_add+0x12f/0xa40 [ 6858.849073][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.849073][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.849073][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.849073][ T72] netlink_unicast+0x449/0x710 [ 6858.849073][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.849073][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.849073][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.849073][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.849073][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.849073][ T72] [ 6858.850925][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6858.850925][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6858.850925][ T72] ipv6_find_idev+0x102/0x170 [ 6858.850925][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.850925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.850925][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.850925][ T72] netlink_unicast+0x449/0x710 [ 6858.850925][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.850925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.850925][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.850925][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.850925][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.850925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.850925][ T72] [ 6858.852359][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6858.852359][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6858.852359][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6858.852359][ T72] ipv6_find_idev+0x102/0x170 [ 6858.852359][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.852359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.852359][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.852359][ T72] netlink_unicast+0x449/0x710 [ 6858.852359][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.852359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.852359][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.852359][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.852359][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.852359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.852359][ T72] [ 6858.854010][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6858.854297][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6858.854297][ T72] dst_init+0x84/0x4a0 [ 6858.854297][ T72] dst_alloc+0x97/0x150 [ 6858.854297][ T72] ip6_dst_alloc+0x23/0x90 [ 6858.854297][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6858.854297][ T72] ip6_pol_route+0x56f/0x840 [ 6858.854297][ T72] fib6_rule_lookup+0x456/0x630 [ 6858.854297][ T72] ip6_route_input+0x59c/0xa50 [ 6858.854297][ T72] ipv6_rcv+0x397/0x810 [ 6858.854297][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6858.854297][ T72] process_backlog+0x101/0x620 [ 6858.854297][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6858.854297][ T72] net_rx_action+0x495/0xbe0 [ 6858.854297][ T72] __do_softirq+0x1b5/0x7f6 [ 6858.854297][ T72] [ 6858.855941][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6858.855941][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.855941][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.855941][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.855941][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6858.855941][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6858.855941][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6858.855941][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6858.855941][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6858.855941][ T72] addrconf_dad_begin+0x310/0x670 [ 6858.855941][ T72] addrconf_dad_work+0x10b/0xab0 [ 6858.855941][ T72] process_one_work+0x84d/0x18a0 [ 6858.855941][ T72] worker_thread+0x587/0xd30 [ 6858.855941][ T72] kthread+0x28a/0x350 [ 6858.855941][ T72] ret_from_fork+0x31/0x70 [ 6858.855941][ T72] ret_from_fork_asm+0x1a/0x30 [ 6858.855941][ T72] [ 6858.857845][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6858.857845][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.857845][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.857845][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.857845][ T72] ip6_route_add+0x1c/0x140 [ 6858.857845][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6858.857845][ T72] inet6_addr_add+0x4f8/0xa40 [ 6858.857845][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.857845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.857845][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.857845][ T72] netlink_unicast+0x449/0x710 [ 6858.857845][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.857845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.857845][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.857845][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.857845][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.857845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.857845][ T72] [ 6858.859790][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6858.859790][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.859790][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.859790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.859790][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6858.859790][ T72] ipv6_add_addr+0x411/0x2000 [ 6858.859790][ T72] inet6_addr_add+0x30e/0xa40 [ 6858.859790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.859790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.859790][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.859790][ T72] netlink_unicast+0x449/0x710 [ 6858.859790][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.859790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.859790][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.859790][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.859790][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.859790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.859790][ T72] [ 6858.861676][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6858.861676][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.861676][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.861676][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.861676][ T72] ip6_route_add+0x1c/0x140 [ 6858.861676][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6858.861676][ T72] addrconf_add_dev+0xe2/0x170 [ 6858.861676][ T72] inet6_addr_add+0x12f/0xa40 [ 6858.861676][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.861676][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.861676][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.861676][ T72] netlink_unicast+0x449/0x710 [ 6858.861676][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.861676][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.861676][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.861676][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.861676][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.861676][ T72] [ 6858.863576][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6858.863576][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6858.863576][ T72] ipv6_find_idev+0x102/0x170 [ 6858.863576][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.863576][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.863576][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.863576][ T72] netlink_unicast+0x449/0x710 [ 6858.863576][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.863576][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.863576][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.863576][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.863576][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.863576][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.863576][ T72] [ 6858.865095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6858.865095][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6858.865095][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6858.865095][ T72] ipv6_find_idev+0x102/0x170 [ 6858.865095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.865095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.865095][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.865095][ T72] netlink_unicast+0x449/0x710 [ 6858.865095][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.865095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.865095][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.865095][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.865095][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.865095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.865095][ T72] [ 6858.866804][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6858.867088][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6858.867088][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6858.867088][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6858.867088][ T72] fib6_nh_init+0xa22/0x1580 [ 6858.867088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.867088][ T72] ip6_route_add+0x1c/0x140 [ 6858.867088][ T72] inet6_rtm_newroute+0x104/0x110 [ 6858.867088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.867088][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.867088][ T72] netlink_unicast+0x449/0x710 [ 6858.867088][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.867088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.867088][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.867088][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.867088][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.867088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.867088][ T72] [ 6858.869181][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6858.869181][ T72] dst_init+0x84/0x4a0 [ 6858.869181][ T72] dst_alloc+0x97/0x150 [ 6858.869181][ T72] ip6_dst_alloc+0x23/0x90 [ 6858.869181][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6858.869181][ T72] ip6_pol_route+0x56f/0x840 [ 6858.869181][ T72] fib6_rule_lookup+0x456/0x630 [ 6858.869181][ T72] ip6_route_input+0x59c/0xa50 [ 6858.869181][ T72] ipv6_rcv+0x397/0x810 [ 6858.869181][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6858.869181][ T72] process_backlog+0x101/0x620 [ 6858.869181][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6858.869181][ T72] net_rx_action+0x495/0xbe0 [ 6858.869181][ T72] __do_softirq+0x1b5/0x7f6 [ 6858.869181][ T72] [ 6858.871032][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6858.871032][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.871032][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.871032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.871032][ T72] ip6_route_add+0x1c/0x140 [ 6858.871032][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6858.871032][ T72] inet6_addr_add+0x4f8/0xa40 [ 6858.871032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.871032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.871032][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.871032][ T72] netlink_unicast+0x449/0x710 [ 6858.871032][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.871032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.871032][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.871032][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.871032][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.871032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.871032][ T72] [ 6858.873214][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6858.873214][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.873214][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.873214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.873214][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6858.873214][ T72] ipv6_add_addr+0x411/0x2000 [ 6858.873214][ T72] inet6_addr_add+0x30e/0xa40 [ 6858.873214][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.873214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.873214][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.873214][ T72] netlink_unicast+0x449/0x710 [ 6858.873214][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.873214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.873214][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.873214][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.873214][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.873214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.873214][ T72] [ 6858.875432][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6858.875432][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.875432][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.875432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.875432][ T72] ip6_route_add+0x1c/0x140 [ 6858.875432][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6858.875432][ T72] addrconf_add_dev+0xe2/0x170 [ 6858.875432][ T72] inet6_addr_add+0x12f/0xa40 [ 6858.875432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.875432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.875432][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.875432][ T72] netlink_unicast+0x449/0x710 [ 6858.875432][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.875432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.875432][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.875432][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.875432][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.875432][ T72] [ 6858.877652][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6858.877652][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6858.877652][ T72] ipv6_find_idev+0x102/0x170 [ 6858.877652][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.877652][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.877652][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.877652][ T72] netlink_unicast+0x449/0x710 [ 6858.877652][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.877652][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.877652][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.877652][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.877652][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.877652][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.877652][ T72] [ 6858.879330][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6858.879330][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6858.879330][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6858.879330][ T72] ipv6_find_idev+0x102/0x170 [ 6858.879330][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.879330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.879330][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.879330][ T72] netlink_unicast+0x449/0x710 [ 6858.879330][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.879330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.879330][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.879330][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.879330][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.879330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.879330][ T72] [ 6858.881191][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6858.881530][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6858.881530][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.881530][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.881530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.881530][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6858.881530][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6858.881530][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6858.881530][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6858.881530][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6858.881530][ T72] addrconf_dad_begin+0x310/0x670 [ 6858.881530][ T72] addrconf_dad_work+0x10b/0xab0 [ 6858.881530][ T72] process_one_work+0x84d/0x18a0 [ 6858.881530][ T72] worker_thread+0x587/0xd30 [ 6858.881530][ T72] kthread+0x28a/0x350 [ 6858.881530][ T72] ret_from_fork+0x31/0x70 [ 6858.881530][ T72] ret_from_fork_asm+0x1a/0x30 [ 6858.881530][ T72] [ 6858.883620][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6858.883620][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.883620][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.883620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.883620][ T72] ip6_route_add+0x1c/0x140 [ 6858.883620][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6858.883620][ T72] inet6_addr_add+0x4f8/0xa40 [ 6858.883620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.883620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.883620][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.883620][ T72] netlink_unicast+0x449/0x710 [ 6858.883620][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.883620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.883620][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.883620][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.883620][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.883620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.883620][ T72] [ 6858.885881][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6858.885881][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.885881][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.885881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.885881][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6858.885881][ T72] ipv6_add_addr+0x411/0x2000 [ 6858.885881][ T72] inet6_addr_add+0x30e/0xa40 [ 6858.885881][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.885881][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.885881][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.885881][ T72] netlink_unicast+0x449/0x710 [ 6858.885881][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.885881][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.885881][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.885881][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.885881][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.885881][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.885881][ T72] [ 6858.888195][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6858.888195][ T72] netdev_get_by_index+0x5e/0x80 [ 6858.888195][ T72] fib6_nh_init+0x3d8/0x1580 [ 6858.888195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6858.888195][ T72] ip6_route_add+0x1c/0x140 [ 6858.888195][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6858.888195][ T72] addrconf_add_dev+0xe2/0x170 [ 6858.888195][ T72] inet6_addr_add+0x12f/0xa40 [ 6858.888195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6858.888195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.888195][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.888195][ T72] netlink_unicast+0x449/0x710 [ 6858.888195][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.888195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.888195][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.888195][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.888195][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.888195][ T72] [ 6858.890404][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6858.890404][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6858.890404][ T72] ipv6_find_idev+0x102/0x170 [ 6858.890404][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.890404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.890404][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.890404][ T72] netlink_unicast+0x449/0x710 [ 6858.890404][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.890404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.890404][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.890404][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.890404][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.890404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.890404][ T72] [ 6858.892146][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6858.892146][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6858.892146][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6858.892146][ T72] ipv6_find_idev+0x102/0x170 [ 6858.892146][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6858.892146][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6858.892146][ T72] netlink_rcv_skb+0x130/0x360 [ 6858.892146][ T72] netlink_unicast+0x449/0x710 [ 6858.892146][ T72] netlink_sendmsg+0x723/0xbe0 [ 6858.892146][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6858.892146][ T72] ___sys_sendmsg+0xee/0x170 [ 6858.892146][ T72] __sys_sendmsg+0xcd/0x170 [ 6858.892146][ T72] do_syscall_64+0xc6/0x1e0 [ 6858.892146][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6858.892146][ T72] [ 6869.137007][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6869.137644][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6869.137644][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6869.137644][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6869.137644][ T72] fib6_nh_init+0xa22/0x1580 [ 6869.137644][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.137644][ T72] ip6_route_add+0x1c/0x140 [ 6869.137644][ T72] inet6_rtm_newroute+0x104/0x110 [ 6869.137644][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.137644][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.137644][ T72] netlink_unicast+0x449/0x710 [ 6869.137644][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.137644][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.137644][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.137644][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.137644][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.137644][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.137644][ T72] [ 6869.139471][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6869.139471][ T72] dst_init+0x84/0x4a0 [ 6869.139471][ T72] dst_alloc+0x97/0x150 [ 6869.139471][ T72] ip6_dst_alloc+0x23/0x90 [ 6869.139471][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6869.139471][ T72] ip6_pol_route+0x56f/0x840 [ 6869.139471][ T72] fib6_rule_lookup+0x456/0x630 [ 6869.139471][ T72] ip6_route_input+0x59c/0xa50 [ 6869.139471][ T72] ipv6_rcv+0x397/0x810 [ 6869.139471][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6869.139471][ T72] process_backlog+0x101/0x620 [ 6869.139471][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6869.139471][ T72] net_rx_action+0x495/0xbe0 [ 6869.139471][ T72] __do_softirq+0x1b5/0x7f6 [ 6869.139471][ T72] [ 6869.141011][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6869.141011][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.141011][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.141011][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.141011][ T72] ip6_route_add+0x1c/0x140 [ 6869.141011][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6869.141011][ T72] inet6_addr_add+0x4f8/0xa40 [ 6869.141011][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.141011][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.141011][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.141011][ T72] netlink_unicast+0x449/0x710 [ 6869.141011][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.141011][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.141011][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.141011][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.141011][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.141011][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.141011][ T72] [ 6869.142942][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6869.142942][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.142942][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.142942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.142942][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6869.142942][ T72] ipv6_add_addr+0x411/0x2000 [ 6869.142942][ T72] inet6_addr_add+0x30e/0xa40 [ 6869.142942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.142942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.142942][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.142942][ T72] netlink_unicast+0x449/0x710 [ 6869.142942][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.142942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.142942][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.142942][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.142942][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.142942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.142942][ T72] [ 6869.144838][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6869.144838][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.144838][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.144838][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.144838][ T72] ip6_route_add+0x1c/0x140 [ 6869.144838][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6869.144838][ T72] addrconf_add_dev+0xe2/0x170 [ 6869.144838][ T72] inet6_addr_add+0x12f/0xa40 [ 6869.144838][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.144838][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.144838][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.144838][ T72] netlink_unicast+0x449/0x710 [ 6869.144838][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.144838][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.144838][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.144838][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.144838][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.144838][ T72] [ 6869.146794][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6869.146794][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6869.146794][ T72] ipv6_find_idev+0x102/0x170 [ 6869.146794][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.146794][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.146794][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.146794][ T72] netlink_unicast+0x449/0x710 [ 6869.146794][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.146794][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.146794][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.146794][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.146794][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.146794][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.146794][ T72] [ 6869.148230][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6869.148230][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6869.148230][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6869.148230][ T72] ipv6_find_idev+0x102/0x170 [ 6869.148230][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.148230][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.148230][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.148230][ T72] netlink_unicast+0x449/0x710 [ 6869.148230][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.148230][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.148230][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.148230][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.148230][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.148230][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.148230][ T72] [ 6869.149842][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6869.150122][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6869.150122][ T72] dst_init+0x84/0x4a0 [ 6869.150122][ T72] dst_alloc+0x97/0x150 [ 6869.150122][ T72] ip6_dst_alloc+0x23/0x90 [ 6869.150122][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6869.150122][ T72] ip6_pol_route+0x56f/0x840 [ 6869.150122][ T72] fib6_rule_lookup+0x456/0x630 [ 6869.150122][ T72] ip6_route_input+0x59c/0xa50 [ 6869.150122][ T72] ipv6_rcv+0x397/0x810 [ 6869.150122][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6869.150122][ T72] process_backlog+0x101/0x620 [ 6869.150122][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6869.150122][ T72] net_rx_action+0x495/0xbe0 [ 6869.150122][ T72] __do_softirq+0x1b5/0x7f6 [ 6869.150122][ T72] [ 6869.151881][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6869.151881][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.151881][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.151881][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.151881][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6869.151881][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6869.151881][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6869.151881][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6869.151881][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6869.151881][ T72] addrconf_dad_begin+0x310/0x670 [ 6869.151881][ T72] addrconf_dad_work+0x10b/0xab0 [ 6869.151881][ T72] process_one_work+0x84d/0x18a0 [ 6869.151881][ T72] worker_thread+0x587/0xd30 [ 6869.151881][ T72] kthread+0x28a/0x350 [ 6869.151881][ T72] ret_from_fork+0x31/0x70 [ 6869.151881][ T72] ret_from_fork_asm+0x1a/0x30 [ 6869.151881][ T72] [ 6869.153808][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6869.153808][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.153808][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.153808][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.153808][ T72] ip6_route_add+0x1c/0x140 [ 6869.153808][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6869.153808][ T72] inet6_addr_add+0x4f8/0xa40 [ 6869.153808][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.153808][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.153808][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.153808][ T72] netlink_unicast+0x449/0x710 [ 6869.153808][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.153808][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.153808][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.153808][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.153808][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.153808][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.153808][ T72] [ 6869.155804][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6869.155804][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.155804][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.155804][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.155804][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6869.155804][ T72] ipv6_add_addr+0x411/0x2000 [ 6869.155804][ T72] inet6_addr_add+0x30e/0xa40 [ 6869.155804][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.155804][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.155804][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.155804][ T72] netlink_unicast+0x449/0x710 [ 6869.155804][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.155804][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.155804][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.155804][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.155804][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.155804][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.155804][ T72] [ 6869.157822][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6869.157822][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.157822][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.157822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.157822][ T72] ip6_route_add+0x1c/0x140 [ 6869.157822][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6869.157822][ T72] addrconf_add_dev+0xe2/0x170 [ 6869.157822][ T72] inet6_addr_add+0x12f/0xa40 [ 6869.157822][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.157822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.157822][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.157822][ T72] netlink_unicast+0x449/0x710 [ 6869.157822][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.157822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.157822][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.157822][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.157822][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.157822][ T72] [ 6869.159742][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6869.159742][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6869.159742][ T72] ipv6_find_idev+0x102/0x170 [ 6869.159742][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.159742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.159742][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.159742][ T72] netlink_unicast+0x449/0x710 [ 6869.159742][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.159742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.159742][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.159742][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.159742][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.159742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.159742][ T72] [ 6869.161243][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6869.161243][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6869.161243][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6869.161243][ T72] ipv6_find_idev+0x102/0x170 [ 6869.161243][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.161243][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.161243][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.161243][ T72] netlink_unicast+0x449/0x710 [ 6869.161243][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.161243][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.161243][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.161243][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.161243][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.161243][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.161243][ T72] [ 6869.163082][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6869.163384][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6869.163384][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6869.163384][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6869.163384][ T72] fib6_nh_init+0xa22/0x1580 [ 6869.163384][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.163384][ T72] ip6_route_add+0x1c/0x140 [ 6869.163384][ T72] inet6_rtm_newroute+0x104/0x110 [ 6869.163384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.163384][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.163384][ T72] netlink_unicast+0x449/0x710 [ 6869.163384][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.163384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.163384][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.163384][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.163384][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.163384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.163384][ T72] [ 6869.165517][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6869.165517][ T72] dst_init+0x84/0x4a0 [ 6869.165517][ T72] dst_alloc+0x97/0x150 [ 6869.165517][ T72] ip6_dst_alloc+0x23/0x90 [ 6869.165517][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6869.165517][ T72] ip6_pol_route+0x56f/0x840 [ 6869.165517][ T72] fib6_rule_lookup+0x456/0x630 [ 6869.165517][ T72] ip6_route_input+0x59c/0xa50 [ 6869.165517][ T72] ipv6_rcv+0x397/0x810 [ 6869.165517][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6869.165517][ T72] process_backlog+0x101/0x620 [ 6869.165517][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6869.165517][ T72] net_rx_action+0x495/0xbe0 [ 6869.165517][ T72] __do_softirq+0x1b5/0x7f6 [ 6869.165517][ T72] [ 6869.167416][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6869.167416][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.167416][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.167416][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.167416][ T72] ip6_route_add+0x1c/0x140 [ 6869.167416][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6869.167416][ T72] inet6_addr_add+0x4f8/0xa40 [ 6869.167416][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.167416][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.167416][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.167416][ T72] netlink_unicast+0x449/0x710 [ 6869.167416][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.167416][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.167416][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.167416][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.167416][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.167416][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.167416][ T72] [ 6869.169628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6869.169628][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.169628][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.169628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.169628][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6869.169628][ T72] ipv6_add_addr+0x411/0x2000 [ 6869.169628][ T72] inet6_addr_add+0x30e/0xa40 [ 6869.169628][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.169628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.169628][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.169628][ T72] netlink_unicast+0x449/0x710 [ 6869.169628][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.169628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.169628][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.169628][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.169628][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.169628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.169628][ T72] [ 6869.171880][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6869.171880][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.171880][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.171880][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.171880][ T72] ip6_route_add+0x1c/0x140 [ 6869.171880][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6869.171880][ T72] addrconf_add_dev+0xe2/0x170 [ 6869.171880][ T72] inet6_addr_add+0x12f/0xa40 [ 6869.171880][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.171880][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.171880][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.171880][ T72] netlink_unicast+0x449/0x710 [ 6869.171880][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.171880][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.171880][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.171880][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.171880][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.171880][ T72] [ 6869.174152][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6869.174152][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6869.174152][ T72] ipv6_find_idev+0x102/0x170 [ 6869.174152][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.174152][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.174152][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.174152][ T72] netlink_unicast+0x449/0x710 [ 6869.174152][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.174152][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.174152][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.174152][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.174152][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.174152][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.174152][ T72] [ 6869.175897][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6869.175897][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6869.175897][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6869.175897][ T72] ipv6_find_idev+0x102/0x170 [ 6869.175897][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.175897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.175897][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.175897][ T72] netlink_unicast+0x449/0x710 [ 6869.175897][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.175897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.175897][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.175897][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.175897][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.175897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.175897][ T72] [ 6869.177817][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6869.178149][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6869.178149][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.178149][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.178149][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.178149][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6869.178149][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6869.178149][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6869.178149][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6869.178149][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6869.178149][ T72] addrconf_dad_begin+0x310/0x670 [ 6869.178149][ T72] addrconf_dad_work+0x10b/0xab0 [ 6869.178149][ T72] process_one_work+0x84d/0x18a0 [ 6869.178149][ T72] worker_thread+0x587/0xd30 [ 6869.178149][ T72] kthread+0x28a/0x350 [ 6869.178149][ T72] ret_from_fork+0x31/0x70 [ 6869.178149][ T72] ret_from_fork_asm+0x1a/0x30 [ 6869.178149][ T72] [ 6869.180229][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6869.180229][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.180229][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.180229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.180229][ T72] ip6_route_add+0x1c/0x140 [ 6869.180229][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6869.180229][ T72] inet6_addr_add+0x4f8/0xa40 [ 6869.180229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.180229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.180229][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.180229][ T72] netlink_unicast+0x449/0x710 [ 6869.180229][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.180229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.180229][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.180229][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.180229][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.180229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.180229][ T72] [ 6869.182526][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6869.182526][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.182526][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.182526][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.182526][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6869.182526][ T72] ipv6_add_addr+0x411/0x2000 [ 6869.182526][ T72] inet6_addr_add+0x30e/0xa40 [ 6869.182526][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.182526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.182526][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.182526][ T72] netlink_unicast+0x449/0x710 [ 6869.182526][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.182526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.182526][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.182526][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.182526][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.182526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.182526][ T72] [ 6869.184851][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6869.184851][ T72] netdev_get_by_index+0x5e/0x80 [ 6869.184851][ T72] fib6_nh_init+0x3d8/0x1580 [ 6869.184851][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6869.184851][ T72] ip6_route_add+0x1c/0x140 [ 6869.184851][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6869.184851][ T72] addrconf_add_dev+0xe2/0x170 [ 6869.184851][ T72] inet6_addr_add+0x12f/0xa40 [ 6869.184851][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.184851][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.184851][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.184851][ T72] netlink_unicast+0x449/0x710 [ 6869.184851][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.184851][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.184851][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.184851][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.184851][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.184851][ T72] [ 6869.187091][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6869.187091][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6869.187091][ T72] ipv6_find_idev+0x102/0x170 [ 6869.187091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.187091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.187091][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.187091][ T72] netlink_unicast+0x449/0x710 [ 6869.187091][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.187091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.187091][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.187091][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.187091][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.187091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.187091][ T72] [ 6869.188805][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6869.188805][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6869.188805][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6869.188805][ T72] ipv6_find_idev+0x102/0x170 [ 6869.188805][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.188805][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.188805][ T72] netlink_rcv_skb+0x130/0x360 [ 6869.188805][ T72] netlink_unicast+0x449/0x710 [ 6869.188805][ T72] netlink_sendmsg+0x723/0xbe0 [ 6869.188805][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6869.188805][ T72] ___sys_sendmsg+0xee/0x170 [ 6869.188805][ T72] __sys_sendmsg+0xcd/0x170 [ 6869.188805][ T72] do_syscall_64+0xc6/0x1e0 [ 6869.188805][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.188805][ T72] [ 6879.432984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6879.433766][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6879.433766][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6879.433766][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6879.433766][ T72] fib6_nh_init+0xa22/0x1580 [ 6879.433766][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.433766][ T72] ip6_route_add+0x1c/0x140 [ 6879.433766][ T72] inet6_rtm_newroute+0x104/0x110 [ 6879.433766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.433766][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.433766][ T72] netlink_unicast+0x449/0x710 [ 6879.433766][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.433766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.433766][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.433766][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.433766][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.433766][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.433766][ T72] [ 6879.435587][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6879.435587][ T72] dst_init+0x84/0x4a0 [ 6879.435587][ T72] dst_alloc+0x97/0x150 [ 6879.435587][ T72] ip6_dst_alloc+0x23/0x90 [ 6879.435587][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6879.435587][ T72] ip6_pol_route+0x56f/0x840 [ 6879.435587][ T72] fib6_rule_lookup+0x456/0x630 [ 6879.435587][ T72] ip6_route_input+0x59c/0xa50 [ 6879.435587][ T72] ipv6_rcv+0x397/0x810 [ 6879.435587][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6879.435587][ T72] process_backlog+0x101/0x620 [ 6879.435587][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6879.435587][ T72] net_rx_action+0x495/0xbe0 [ 6879.435587][ T72] __do_softirq+0x1b5/0x7f6 [ 6879.435587][ T72] [ 6879.437213][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6879.437213][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.437213][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.437213][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.437213][ T72] ip6_route_add+0x1c/0x140 [ 6879.437213][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6879.437213][ T72] inet6_addr_add+0x4f8/0xa40 [ 6879.437213][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.437213][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.437213][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.437213][ T72] netlink_unicast+0x449/0x710 [ 6879.437213][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.437213][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.437213][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.437213][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.437213][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.437213][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.437213][ T72] [ 6879.439111][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6879.439111][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.439111][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.439111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.439111][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6879.439111][ T72] ipv6_add_addr+0x411/0x2000 [ 6879.439111][ T72] inet6_addr_add+0x30e/0xa40 [ 6879.439111][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.439111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.439111][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.439111][ T72] netlink_unicast+0x449/0x710 [ 6879.439111][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.439111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.439111][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.439111][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.439111][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.439111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.439111][ T72] [ 6879.441037][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6879.441037][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.441037][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.441037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.441037][ T72] ip6_route_add+0x1c/0x140 [ 6879.441037][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6879.441037][ T72] addrconf_add_dev+0xe2/0x170 [ 6879.441037][ T72] inet6_addr_add+0x12f/0xa40 [ 6879.441037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.441037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.441037][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.441037][ T72] netlink_unicast+0x449/0x710 [ 6879.441037][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.441037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.441037][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.441037][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.441037][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.441037][ T72] [ 6879.442952][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6879.442952][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6879.442952][ T72] ipv6_find_idev+0x102/0x170 [ 6879.442952][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6879.442952][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.442952][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.442952][ T72] netlink_unicast+0x449/0x710 [ 6879.442952][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.442952][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.442952][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.442952][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.442952][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.442952][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.442952][ T72] [ 6879.444444][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6879.444444][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6879.444444][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6879.444444][ T72] ipv6_find_idev+0x102/0x170 [ 6879.444444][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6879.444444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.444444][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.444444][ T72] netlink_unicast+0x449/0x710 [ 6879.444444][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.444444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.444444][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.444444][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.444444][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.444444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.444444][ T72] [ 6879.446137][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6879.446432][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6879.446432][ T72] dst_init+0x84/0x4a0 [ 6879.446432][ T72] dst_alloc+0x97/0x150 [ 6879.446432][ T72] ip6_dst_alloc+0x23/0x90 [ 6879.446432][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6879.446432][ T72] ip6_pol_route+0x56f/0x840 [ 6879.446432][ T72] fib6_rule_lookup+0x456/0x630 [ 6879.446432][ T72] ip6_route_input+0x59c/0xa50 [ 6879.446432][ T72] ipv6_rcv+0x397/0x810 [ 6879.446432][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6879.446432][ T72] process_backlog+0x101/0x620 [ 6879.446432][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6879.446432][ T72] net_rx_action+0x495/0xbe0 [ 6879.446432][ T72] __do_softirq+0x1b5/0x7f6 [ 6879.446432][ T72] [ 6879.448079][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6879.448079][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.448079][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.448079][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.448079][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6879.448079][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6879.448079][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6879.448079][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6879.448079][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6879.448079][ T72] addrconf_dad_begin+0x310/0x670 [ 6879.448079][ T72] addrconf_dad_work+0x10b/0xab0 [ 6879.448079][ T72] process_one_work+0x84d/0x18a0 [ 6879.448079][ T72] worker_thread+0x587/0xd30 [ 6879.448079][ T72] kthread+0x28a/0x350 [ 6879.448079][ T72] ret_from_fork+0x31/0x70 [ 6879.448079][ T72] ret_from_fork_asm+0x1a/0x30 [ 6879.448079][ T72] [ 6879.450019][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6879.450019][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.450019][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.450019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.450019][ T72] ip6_route_add+0x1c/0x140 [ 6879.450019][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6879.450019][ T72] inet6_addr_add+0x4f8/0xa40 [ 6879.450019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.450019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.450019][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.450019][ T72] netlink_unicast+0x449/0x710 [ 6879.450019][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.450019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.450019][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.450019][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.450019][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.450019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.450019][ T72] [ 6879.451974][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6879.451974][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.451974][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.451974][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.451974][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6879.451974][ T72] ipv6_add_addr+0x411/0x2000 [ 6879.451974][ T72] inet6_addr_add+0x30e/0xa40 [ 6879.451974][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.451974][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.451974][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.451974][ T72] netlink_unicast+0x449/0x710 [ 6879.451974][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.451974][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.451974][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.451974][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.451974][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.451974][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.451974][ T72] [ 6879.453957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6879.453957][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.453957][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.453957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.453957][ T72] ip6_route_add+0x1c/0x140 [ 6879.453957][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6879.453957][ T72] addrconf_add_dev+0xe2/0x170 [ 6879.453957][ T72] inet6_addr_add+0x12f/0xa40 [ 6879.453957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.453957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.453957][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.453957][ T72] netlink_unicast+0x449/0x710 [ 6879.453957][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.453957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.453957][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.453957][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.453957][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.453957][ T72] [ 6879.455913][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6879.455913][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6879.455913][ T72] ipv6_find_idev+0x102/0x170 [ 6879.455913][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6879.455913][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.455913][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.455913][ T72] netlink_unicast+0x449/0x710 [ 6879.455913][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.455913][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.455913][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.455913][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.455913][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.455913][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.455913][ T72] [ 6879.457428][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6879.457428][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6879.457428][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6879.457428][ T72] ipv6_find_idev+0x102/0x170 [ 6879.457428][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6879.457428][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.457428][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.457428][ T72] netlink_unicast+0x449/0x710 [ 6879.457428][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.457428][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.457428][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.457428][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.457428][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.457428][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.457428][ T72] [ 6879.459205][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6879.459494][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6879.459494][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6879.459494][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6879.459494][ T72] fib6_nh_init+0xa22/0x1580 [ 6879.459494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.459494][ T72] ip6_route_add+0x1c/0x140 [ 6879.459494][ T72] inet6_rtm_newroute+0x104/0x110 [ 6879.459494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.459494][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.459494][ T72] netlink_unicast+0x449/0x710 [ 6879.459494][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.459494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.459494][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.459494][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.459494][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.459494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.459494][ T72] [ 6879.461619][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6879.461619][ T72] dst_init+0x84/0x4a0 [ 6879.461619][ T72] dst_alloc+0x97/0x150 [ 6879.461619][ T72] ip6_dst_alloc+0x23/0x90 [ 6879.461619][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6879.461619][ T72] ip6_pol_route+0x56f/0x840 [ 6879.461619][ T72] fib6_rule_lookup+0x456/0x630 [ 6879.461619][ T72] ip6_route_input+0x59c/0xa50 [ 6879.461619][ T72] ipv6_rcv+0x397/0x810 [ 6879.461619][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6879.461619][ T72] process_backlog+0x101/0x620 [ 6879.461619][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6879.461619][ T72] net_rx_action+0x495/0xbe0 [ 6879.461619][ T72] __do_softirq+0x1b5/0x7f6 [ 6879.461619][ T72] [ 6879.463525][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6879.463525][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.463525][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.463525][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.463525][ T72] ip6_route_add+0x1c/0x140 [ 6879.463525][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6879.463525][ T72] inet6_addr_add+0x4f8/0xa40 [ 6879.463525][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.463525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.463525][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.463525][ T72] netlink_unicast+0x449/0x710 [ 6879.463525][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.463525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.463525][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.463525][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.463525][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.463525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.463525][ T72] [ 6879.465731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6879.465731][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.465731][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.465731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.465731][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6879.465731][ T72] ipv6_add_addr+0x411/0x2000 [ 6879.465731][ T72] inet6_addr_add+0x30e/0xa40 [ 6879.465731][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.465731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.465731][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.465731][ T72] netlink_unicast+0x449/0x710 [ 6879.465731][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.465731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.465731][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.465731][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.465731][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.465731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.465731][ T72] [ 6879.467997][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6879.467997][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.467997][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.467997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.467997][ T72] ip6_route_add+0x1c/0x140 [ 6879.467997][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6879.467997][ T72] addrconf_add_dev+0xe2/0x170 [ 6879.467997][ T72] inet6_addr_add+0x12f/0xa40 [ 6879.467997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.467997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.467997][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.467997][ T72] netlink_unicast+0x449/0x710 [ 6879.467997][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.467997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.467997][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.467997][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.467997][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.467997][ T72] [ 6879.470303][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6879.470303][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6879.470303][ T72] ipv6_find_idev+0x102/0x170 [ 6879.470303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6879.470303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.470303][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.470303][ T72] netlink_unicast+0x449/0x710 [ 6879.470303][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.470303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.470303][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.470303][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.470303][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.470303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.470303][ T72] [ 6879.472053][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6879.472053][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6879.472053][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6879.472053][ T72] ipv6_find_idev+0x102/0x170 [ 6879.472053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6879.472053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.472053][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.472053][ T72] netlink_unicast+0x449/0x710 [ 6879.472053][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.472053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.472053][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.472053][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.472053][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.472053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.472053][ T72] [ 6879.473942][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6879.474293][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6879.474293][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.474293][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.474293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.474293][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6879.474293][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6879.474293][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6879.474293][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6879.474293][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6879.474293][ T72] addrconf_dad_begin+0x310/0x670 [ 6879.474293][ T72] addrconf_dad_work+0x10b/0xab0 [ 6879.474293][ T72] process_one_work+0x84d/0x18a0 [ 6879.474293][ T72] worker_thread+0x587/0xd30 [ 6879.474293][ T72] kthread+0x28a/0x350 [ 6879.474293][ T72] ret_from_fork+0x31/0x70 [ 6879.474293][ T72] ret_from_fork_asm+0x1a/0x30 [ 6879.474293][ T72] [ 6879.476403][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6879.476403][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.476403][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.476403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.476403][ T72] ip6_route_add+0x1c/0x140 [ 6879.476403][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6879.476403][ T72] inet6_addr_add+0x4f8/0xa40 [ 6879.476403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.476403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.476403][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.476403][ T72] netlink_unicast+0x449/0x710 [ 6879.476403][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.476403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.476403][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.476403][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.476403][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.476403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.476403][ T72] [ 6879.478649][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6879.478649][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.478649][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.478649][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.478649][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6879.478649][ T72] ipv6_add_addr+0x411/0x2000 [ 6879.478649][ T72] inet6_addr_add+0x30e/0xa40 [ 6879.478649][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.478649][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.478649][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.478649][ T72] netlink_unicast+0x449/0x710 [ 6879.478649][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.478649][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.478649][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.478649][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.478649][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.478649][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.478649][ T72] [ 6879.481469][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6879.481469][ T72] netdev_get_by_index+0x5e/0x80 [ 6879.481469][ T72] fib6_nh_init+0x3d8/0x1580 [ 6879.481469][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6879.481469][ T72] ip6_route_add+0x1c/0x140 [ 6879.481469][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6879.481469][ T72] addrconf_add_dev+0xe2/0x170 [ 6879.481469][ T72] inet6_addr_add+0x12f/0xa40 [ 6879.481469][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6879.481469][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.481469][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.481469][ T72] netlink_unicast+0x449/0x710 [ 6879.481469][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.481469][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.481469][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.481469][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.481469][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.481469][ T72] [ 6879.483680][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6879.483680][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6879.483680][ T72] ipv6_find_idev+0x102/0x170 [ 6879.483680][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6879.483680][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.483680][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.483680][ T72] netlink_unicast+0x449/0x710 [ 6879.483680][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.483680][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.483680][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.483680][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.483680][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.483680][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.483680][ T72] [ 6879.485385][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6879.485385][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6879.485385][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6879.485385][ T72] ipv6_find_idev+0x102/0x170 [ 6879.485385][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6879.485385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6879.485385][ T72] netlink_rcv_skb+0x130/0x360 [ 6879.485385][ T72] netlink_unicast+0x449/0x710 [ 6879.485385][ T72] netlink_sendmsg+0x723/0xbe0 [ 6879.485385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6879.485385][ T72] ___sys_sendmsg+0xee/0x170 [ 6879.485385][ T72] __sys_sendmsg+0xcd/0x170 [ 6879.485385][ T72] do_syscall_64+0xc6/0x1e0 [ 6879.485385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6879.485385][ T72] [ 6889.664972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6889.665814][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6889.665814][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6889.665814][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6889.665814][ T72] fib6_nh_init+0xa22/0x1580 [ 6889.665814][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.665814][ T72] ip6_route_add+0x1c/0x140 [ 6889.665814][ T72] inet6_rtm_newroute+0x104/0x110 [ 6889.665814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.665814][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.665814][ T72] netlink_unicast+0x449/0x710 [ 6889.665814][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.665814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.665814][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.665814][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.665814][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.665814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.665814][ T72] [ 6889.667916][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6889.667916][ T72] dst_init+0x84/0x4a0 [ 6889.667916][ T72] dst_alloc+0x97/0x150 [ 6889.667916][ T72] ip6_dst_alloc+0x23/0x90 [ 6889.667916][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6889.667916][ T72] ip6_pol_route+0x56f/0x840 [ 6889.667916][ T72] fib6_rule_lookup+0x456/0x630 [ 6889.667916][ T72] ip6_route_input+0x59c/0xa50 [ 6889.667916][ T72] ipv6_rcv+0x397/0x810 [ 6889.667916][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6889.667916][ T72] process_backlog+0x101/0x620 [ 6889.667916][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6889.667916][ T72] net_rx_action+0x495/0xbe0 [ 6889.667916][ T72] __do_softirq+0x1b5/0x7f6 [ 6889.667916][ T72] [ 6889.669742][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6889.669742][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.669742][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.669742][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.669742][ T72] ip6_route_add+0x1c/0x140 [ 6889.669742][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6889.669742][ T72] inet6_addr_add+0x4f8/0xa40 [ 6889.669742][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.669742][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.669742][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.669742][ T72] netlink_unicast+0x449/0x710 [ 6889.669742][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.669742][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.669742][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.669742][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.669742][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.669742][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.669742][ T72] [ 6889.671983][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6889.671983][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.671983][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.671983][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.671983][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6889.671983][ T72] ipv6_add_addr+0x411/0x2000 [ 6889.671983][ T72] inet6_addr_add+0x30e/0xa40 [ 6889.671983][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.671983][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.671983][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.671983][ T72] netlink_unicast+0x449/0x710 [ 6889.671983][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.671983][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.671983][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.671983][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.671983][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.671983][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.671983][ T72] [ 6889.674181][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6889.674181][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.674181][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.674181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.674181][ T72] ip6_route_add+0x1c/0x140 [ 6889.674181][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6889.674181][ T72] addrconf_add_dev+0xe2/0x170 [ 6889.674181][ T72] inet6_addr_add+0x12f/0xa40 [ 6889.674181][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.674181][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.674181][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.674181][ T72] netlink_unicast+0x449/0x710 [ 6889.674181][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.674181][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.674181][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.674181][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.674181][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.674181][ T72] [ 6889.676401][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6889.676401][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6889.676401][ T72] ipv6_find_idev+0x102/0x170 [ 6889.676401][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6889.676401][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.676401][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.676401][ T72] netlink_unicast+0x449/0x710 [ 6889.676401][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.676401][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.676401][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.676401][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.676401][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.676401][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.676401][ T72] [ 6889.678095][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6889.678095][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6889.678095][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6889.678095][ T72] ipv6_find_idev+0x102/0x170 [ 6889.678095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6889.678095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.678095][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.678095][ T72] netlink_unicast+0x449/0x710 [ 6889.678095][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.678095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.678095][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.678095][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.678095][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.678095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.678095][ T72] [ 6889.679856][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6889.680124][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6889.680124][ T72] dst_init+0x84/0x4a0 [ 6889.680124][ T72] dst_alloc+0x97/0x150 [ 6889.680124][ T72] ip6_dst_alloc+0x23/0x90 [ 6889.680124][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6889.680124][ T72] ip6_pol_route+0x56f/0x840 [ 6889.680124][ T72] fib6_rule_lookup+0x456/0x630 [ 6889.680124][ T72] ip6_route_input+0x59c/0xa50 [ 6889.680124][ T72] ipv6_rcv+0x397/0x810 [ 6889.680124][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6889.680124][ T72] process_backlog+0x101/0x620 [ 6889.680124][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6889.680124][ T72] net_rx_action+0x495/0xbe0 [ 6889.680124][ T72] __do_softirq+0x1b5/0x7f6 [ 6889.680124][ T72] [ 6889.681778][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6889.681778][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.681778][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.681778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.681778][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6889.681778][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6889.681778][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6889.681778][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6889.681778][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6889.681778][ T72] addrconf_dad_begin+0x310/0x670 [ 6889.681778][ T72] addrconf_dad_work+0x10b/0xab0 [ 6889.681778][ T72] process_one_work+0x84d/0x18a0 [ 6889.681778][ T72] worker_thread+0x587/0xd30 [ 6889.681778][ T72] kthread+0x28a/0x350 [ 6889.681778][ T72] ret_from_fork+0x31/0x70 [ 6889.681778][ T72] ret_from_fork_asm+0x1a/0x30 [ 6889.681778][ T72] [ 6889.683698][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6889.683698][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.683698][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.683698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.683698][ T72] ip6_route_add+0x1c/0x140 [ 6889.683698][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6889.683698][ T72] inet6_addr_add+0x4f8/0xa40 [ 6889.683698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.683698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.683698][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.683698][ T72] netlink_unicast+0x449/0x710 [ 6889.683698][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.683698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.683698][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.683698][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.683698][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.683698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.683698][ T72] [ 6889.685678][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6889.685678][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.685678][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.685678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.685678][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6889.685678][ T72] ipv6_add_addr+0x411/0x2000 [ 6889.685678][ T72] inet6_addr_add+0x30e/0xa40 [ 6889.685678][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.685678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.685678][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.685678][ T72] netlink_unicast+0x449/0x710 [ 6889.685678][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.685678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.685678][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.685678][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.685678][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.685678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.685678][ T72] [ 6889.687688][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6889.687688][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.687688][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.687688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.687688][ T72] ip6_route_add+0x1c/0x140 [ 6889.687688][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6889.687688][ T72] addrconf_add_dev+0xe2/0x170 [ 6889.687688][ T72] inet6_addr_add+0x12f/0xa40 [ 6889.687688][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.687688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.687688][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.687688][ T72] netlink_unicast+0x449/0x710 [ 6889.687688][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.687688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.687688][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.687688][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.687688][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.687688][ T72] [ 6889.689607][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6889.689607][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6889.689607][ T72] ipv6_find_idev+0x102/0x170 [ 6889.689607][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6889.689607][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.689607][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.689607][ T72] netlink_unicast+0x449/0x710 [ 6889.689607][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.689607][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.689607][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.689607][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.689607][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.689607][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.689607][ T72] [ 6889.691116][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6889.691116][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6889.691116][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6889.691116][ T72] ipv6_find_idev+0x102/0x170 [ 6889.691116][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6889.691116][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.691116][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.691116][ T72] netlink_unicast+0x449/0x710 [ 6889.691116][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.691116][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.691116][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.691116][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.691116][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.691116][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.691116][ T72] [ 6889.692928][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6889.693191][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6889.693191][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6889.693191][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6889.693191][ T72] fib6_nh_init+0xa22/0x1580 [ 6889.693191][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.693191][ T72] ip6_route_add+0x1c/0x140 [ 6889.693191][ T72] inet6_rtm_newroute+0x104/0x110 [ 6889.693191][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.693191][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.693191][ T72] netlink_unicast+0x449/0x710 [ 6889.693191][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.693191][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.693191][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.693191][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.693191][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.693191][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.693191][ T72] [ 6889.695359][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6889.695359][ T72] dst_init+0x84/0x4a0 [ 6889.695359][ T72] dst_alloc+0x97/0x150 [ 6889.695359][ T72] ip6_dst_alloc+0x23/0x90 [ 6889.695359][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6889.695359][ T72] ip6_pol_route+0x56f/0x840 [ 6889.695359][ T72] fib6_rule_lookup+0x456/0x630 [ 6889.695359][ T72] ip6_route_input+0x59c/0xa50 [ 6889.695359][ T72] ipv6_rcv+0x397/0x810 [ 6889.695359][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6889.695359][ T72] process_backlog+0x101/0x620 [ 6889.695359][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6889.695359][ T72] net_rx_action+0x495/0xbe0 [ 6889.695359][ T72] __do_softirq+0x1b5/0x7f6 [ 6889.695359][ T72] [ 6889.697168][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6889.697168][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.697168][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.697168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.697168][ T72] ip6_route_add+0x1c/0x140 [ 6889.697168][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6889.697168][ T72] inet6_addr_add+0x4f8/0xa40 [ 6889.697168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.697168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.697168][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.697168][ T72] netlink_unicast+0x449/0x710 [ 6889.697168][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.697168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.697168][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.697168][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.697168][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.697168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.697168][ T72] [ 6889.699353][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6889.699353][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.699353][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.699353][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.699353][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6889.699353][ T72] ipv6_add_addr+0x411/0x2000 [ 6889.699353][ T72] inet6_addr_add+0x30e/0xa40 [ 6889.699353][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.699353][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.699353][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.699353][ T72] netlink_unicast+0x449/0x710 [ 6889.699353][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.699353][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.699353][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.699353][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.699353][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.699353][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.699353][ T72] [ 6889.701569][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6889.701569][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.701569][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.701569][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.701569][ T72] ip6_route_add+0x1c/0x140 [ 6889.701569][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6889.701569][ T72] addrconf_add_dev+0xe2/0x170 [ 6889.701569][ T72] inet6_addr_add+0x12f/0xa40 [ 6889.701569][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.701569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.701569][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.701569][ T72] netlink_unicast+0x449/0x710 [ 6889.701569][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.701569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.701569][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.701569][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.701569][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.701569][ T72] [ 6889.703819][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6889.703819][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6889.703819][ T72] ipv6_find_idev+0x102/0x170 [ 6889.703819][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6889.703819][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.703819][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.703819][ T72] netlink_unicast+0x449/0x710 [ 6889.703819][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.703819][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.703819][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.703819][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.703819][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.703819][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.703819][ T72] [ 6889.705513][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6889.705513][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6889.705513][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6889.705513][ T72] ipv6_find_idev+0x102/0x170 [ 6889.705513][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6889.705513][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.705513][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.705513][ T72] netlink_unicast+0x449/0x710 [ 6889.705513][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.705513][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.705513][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.705513][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.705513][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.705513][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.705513][ T72] [ 6889.707376][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6889.707721][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6889.707721][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.707721][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.707721][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.707721][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6889.707721][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6889.707721][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6889.707721][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6889.707721][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6889.707721][ T72] addrconf_dad_begin+0x310/0x670 [ 6889.707721][ T72] addrconf_dad_work+0x10b/0xab0 [ 6889.707721][ T72] process_one_work+0x84d/0x18a0 [ 6889.707721][ T72] worker_thread+0x587/0xd30 [ 6889.707721][ T72] kthread+0x28a/0x350 [ 6889.707721][ T72] ret_from_fork+0x31/0x70 [ 6889.707721][ T72] ret_from_fork_asm+0x1a/0x30 [ 6889.707721][ T72] [ 6889.709752][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6889.709752][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.709752][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.709752][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.709752][ T72] ip6_route_add+0x1c/0x140 [ 6889.709752][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6889.709752][ T72] inet6_addr_add+0x4f8/0xa40 [ 6889.709752][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.709752][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.709752][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.709752][ T72] netlink_unicast+0x449/0x710 [ 6889.709752][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.709752][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.709752][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.709752][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.709752][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.709752][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.709752][ T72] [ 6889.711971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6889.711971][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.711971][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.711971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.711971][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6889.711971][ T72] ipv6_add_addr+0x411/0x2000 [ 6889.711971][ T72] inet6_addr_add+0x30e/0xa40 [ 6889.711971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.711971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.711971][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.711971][ T72] netlink_unicast+0x449/0x710 [ 6889.711971][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.711971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.711971][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.711971][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.711971][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.711971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.711971][ T72] [ 6889.714216][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6889.714216][ T72] netdev_get_by_index+0x5e/0x80 [ 6889.714216][ T72] fib6_nh_init+0x3d8/0x1580 [ 6889.714216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6889.714216][ T72] ip6_route_add+0x1c/0x140 [ 6889.714216][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6889.714216][ T72] addrconf_add_dev+0xe2/0x170 [ 6889.714216][ T72] inet6_addr_add+0x12f/0xa40 [ 6889.714216][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6889.714216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.714216][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.714216][ T72] netlink_unicast+0x449/0x710 [ 6889.714216][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.714216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.714216][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.714216][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.714216][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.714216][ T72] [ 6889.716449][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6889.716449][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6889.716449][ T72] ipv6_find_idev+0x102/0x170 [ 6889.716449][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6889.716449][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.716449][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.716449][ T72] netlink_unicast+0x449/0x710 [ 6889.716449][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.716449][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.716449][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.716449][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.716449][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.716449][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.716449][ T72] [ 6889.718168][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6889.718168][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6889.718168][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6889.718168][ T72] ipv6_find_idev+0x102/0x170 [ 6889.718168][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6889.718168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6889.718168][ T72] netlink_rcv_skb+0x130/0x360 [ 6889.718168][ T72] netlink_unicast+0x449/0x710 [ 6889.718168][ T72] netlink_sendmsg+0x723/0xbe0 [ 6889.718168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6889.718168][ T72] ___sys_sendmsg+0xee/0x170 [ 6889.718168][ T72] __sys_sendmsg+0xcd/0x170 [ 6889.718168][ T72] do_syscall_64+0xc6/0x1e0 [ 6889.718168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6889.718168][ T72] [ 6899.865008][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6899.866500][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6899.866500][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6899.866500][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6899.866500][ T72] fib6_nh_init+0xa22/0x1580 [ 6899.866500][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.866500][ T72] ip6_route_add+0x1c/0x140 [ 6899.866500][ T72] inet6_rtm_newroute+0x104/0x110 [ 6899.866500][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.866500][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.866500][ T72] netlink_unicast+0x449/0x710 [ 6899.866500][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.866500][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.866500][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.866500][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.866500][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.866500][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.866500][ T72] [ 6899.868377][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6899.868377][ T72] dst_init+0x84/0x4a0 [ 6899.868377][ T72] dst_alloc+0x97/0x150 [ 6899.868377][ T72] ip6_dst_alloc+0x23/0x90 [ 6899.868377][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6899.868377][ T72] ip6_pol_route+0x56f/0x840 [ 6899.868377][ T72] fib6_rule_lookup+0x456/0x630 [ 6899.868377][ T72] ip6_route_input+0x59c/0xa50 [ 6899.868377][ T72] ipv6_rcv+0x397/0x810 [ 6899.868377][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6899.868377][ T72] process_backlog+0x101/0x620 [ 6899.868377][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6899.868377][ T72] net_rx_action+0x495/0xbe0 [ 6899.868377][ T72] __do_softirq+0x1b5/0x7f6 [ 6899.868377][ T72] [ 6899.869960][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6899.869960][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.869960][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.869960][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.869960][ T72] ip6_route_add+0x1c/0x140 [ 6899.869960][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6899.869960][ T72] inet6_addr_add+0x4f8/0xa40 [ 6899.869960][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.869960][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.869960][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.869960][ T72] netlink_unicast+0x449/0x710 [ 6899.869960][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.869960][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.869960][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.869960][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.869960][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.869960][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.869960][ T72] [ 6899.871894][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6899.871894][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.871894][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.871894][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.871894][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6899.871894][ T72] ipv6_add_addr+0x411/0x2000 [ 6899.871894][ T72] inet6_addr_add+0x30e/0xa40 [ 6899.871894][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.871894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.871894][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.871894][ T72] netlink_unicast+0x449/0x710 [ 6899.871894][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.871894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.871894][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.871894][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.871894][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.871894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.871894][ T72] [ 6899.873874][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6899.873874][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.873874][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.873874][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.873874][ T72] ip6_route_add+0x1c/0x140 [ 6899.873874][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6899.873874][ T72] addrconf_add_dev+0xe2/0x170 [ 6899.873874][ T72] inet6_addr_add+0x12f/0xa40 [ 6899.873874][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.873874][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.873874][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.873874][ T72] netlink_unicast+0x449/0x710 [ 6899.873874][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.873874][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.873874][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.873874][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.873874][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.873874][ T72] [ 6899.875778][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6899.875778][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6899.875778][ T72] ipv6_find_idev+0x102/0x170 [ 6899.875778][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6899.875778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.875778][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.875778][ T72] netlink_unicast+0x449/0x710 [ 6899.875778][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.875778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.875778][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.875778][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.875778][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.875778][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.875778][ T72] [ 6899.877268][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6899.877268][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6899.877268][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6899.877268][ T72] ipv6_find_idev+0x102/0x170 [ 6899.877268][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6899.877268][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.877268][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.877268][ T72] netlink_unicast+0x449/0x710 [ 6899.877268][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.877268][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.877268][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.877268][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.877268][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.877268][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.877268][ T72] [ 6899.878931][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6899.879203][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6899.879203][ T72] dst_init+0x84/0x4a0 [ 6899.879203][ T72] dst_alloc+0x97/0x150 [ 6899.879203][ T72] ip6_dst_alloc+0x23/0x90 [ 6899.879203][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6899.879203][ T72] ip6_pol_route+0x56f/0x840 [ 6899.879203][ T72] fib6_rule_lookup+0x456/0x630 [ 6899.879203][ T72] ip6_route_input+0x59c/0xa50 [ 6899.879203][ T72] ipv6_rcv+0x397/0x810 [ 6899.879203][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6899.879203][ T72] process_backlog+0x101/0x620 [ 6899.879203][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6899.879203][ T72] net_rx_action+0x495/0xbe0 [ 6899.879203][ T72] __do_softirq+0x1b5/0x7f6 [ 6899.879203][ T72] [ 6899.880843][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6899.880843][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.880843][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.880843][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.880843][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6899.880843][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6899.880843][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6899.880843][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6899.880843][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6899.880843][ T72] addrconf_dad_begin+0x310/0x670 [ 6899.880843][ T72] addrconf_dad_work+0x10b/0xab0 [ 6899.880843][ T72] process_one_work+0x84d/0x18a0 [ 6899.880843][ T72] worker_thread+0x587/0xd30 [ 6899.880843][ T72] kthread+0x28a/0x350 [ 6899.880843][ T72] ret_from_fork+0x31/0x70 [ 6899.880843][ T72] ret_from_fork_asm+0x1a/0x30 [ 6899.880843][ T72] [ 6899.882698][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6899.882698][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.882698][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.882698][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.882698][ T72] ip6_route_add+0x1c/0x140 [ 6899.882698][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6899.882698][ T72] inet6_addr_add+0x4f8/0xa40 [ 6899.882698][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.882698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.882698][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.882698][ T72] netlink_unicast+0x449/0x710 [ 6899.882698][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.882698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.882698][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.882698][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.882698][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.882698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.882698][ T72] [ 6899.884645][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6899.884645][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.884645][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.884645][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.884645][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6899.884645][ T72] ipv6_add_addr+0x411/0x2000 [ 6899.884645][ T72] inet6_addr_add+0x30e/0xa40 [ 6899.884645][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.884645][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.884645][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.884645][ T72] netlink_unicast+0x449/0x710 [ 6899.884645][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.884645][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.884645][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.884645][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.884645][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.884645][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.884645][ T72] [ 6899.886656][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6899.886656][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.886656][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.886656][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.886656][ T72] ip6_route_add+0x1c/0x140 [ 6899.886656][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6899.886656][ T72] addrconf_add_dev+0xe2/0x170 [ 6899.886656][ T72] inet6_addr_add+0x12f/0xa40 [ 6899.886656][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.886656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.886656][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.886656][ T72] netlink_unicast+0x449/0x710 [ 6899.886656][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.886656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.886656][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.886656][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.886656][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.886656][ T72] [ 6899.888577][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6899.888577][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6899.888577][ T72] ipv6_find_idev+0x102/0x170 [ 6899.888577][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6899.888577][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.888577][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.888577][ T72] netlink_unicast+0x449/0x710 [ 6899.888577][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.888577][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.888577][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.888577][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.888577][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.888577][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.888577][ T72] [ 6899.890720][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6899.890720][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6899.890720][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6899.890720][ T72] ipv6_find_idev+0x102/0x170 [ 6899.890720][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6899.890720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.890720][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.890720][ T72] netlink_unicast+0x449/0x710 [ 6899.890720][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.890720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.890720][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.890720][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.890720][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.890720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.890720][ T72] [ 6899.892533][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6899.892810][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6899.892810][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6899.892810][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6899.892810][ T72] fib6_nh_init+0xa22/0x1580 [ 6899.892810][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.892810][ T72] ip6_route_add+0x1c/0x140 [ 6899.892810][ T72] inet6_rtm_newroute+0x104/0x110 [ 6899.892810][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.892810][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.892810][ T72] netlink_unicast+0x449/0x710 [ 6899.892810][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.892810][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.892810][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.892810][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.892810][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.892810][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.892810][ T72] [ 6899.895103][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6899.895103][ T72] dst_init+0x84/0x4a0 [ 6899.895103][ T72] dst_alloc+0x97/0x150 [ 6899.895103][ T72] ip6_dst_alloc+0x23/0x90 [ 6899.895103][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6899.895103][ T72] ip6_pol_route+0x56f/0x840 [ 6899.895103][ T72] fib6_rule_lookup+0x456/0x630 [ 6899.895103][ T72] ip6_route_input+0x59c/0xa50 [ 6899.895103][ T72] ipv6_rcv+0x397/0x810 [ 6899.895103][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6899.895103][ T72] process_backlog+0x101/0x620 [ 6899.895103][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6899.895103][ T72] net_rx_action+0x495/0xbe0 [ 6899.895103][ T72] __do_softirq+0x1b5/0x7f6 [ 6899.895103][ T72] [ 6899.896922][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6899.896922][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.896922][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.896922][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.896922][ T72] ip6_route_add+0x1c/0x140 [ 6899.896922][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6899.896922][ T72] inet6_addr_add+0x4f8/0xa40 [ 6899.896922][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.896922][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.896922][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.896922][ T72] netlink_unicast+0x449/0x710 [ 6899.896922][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.896922][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.896922][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.896922][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.896922][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.896922][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.896922][ T72] [ 6899.899088][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6899.899088][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.899088][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.899088][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.899088][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6899.899088][ T72] ipv6_add_addr+0x411/0x2000 [ 6899.899088][ T72] inet6_addr_add+0x30e/0xa40 [ 6899.899088][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.899088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.899088][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.899088][ T72] netlink_unicast+0x449/0x710 [ 6899.899088][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.899088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.899088][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.899088][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.899088][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.899088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.899088][ T72] [ 6899.901316][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6899.901316][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.901316][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.901316][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.901316][ T72] ip6_route_add+0x1c/0x140 [ 6899.901316][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6899.901316][ T72] addrconf_add_dev+0xe2/0x170 [ 6899.901316][ T72] inet6_addr_add+0x12f/0xa40 [ 6899.901316][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.901316][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.901316][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.901316][ T72] netlink_unicast+0x449/0x710 [ 6899.901316][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.901316][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.901316][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.901316][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.901316][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.901316][ T72] [ 6899.903573][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6899.903573][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6899.903573][ T72] ipv6_find_idev+0x102/0x170 [ 6899.903573][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6899.903573][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.903573][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.903573][ T72] netlink_unicast+0x449/0x710 [ 6899.903573][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.903573][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.903573][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.903573][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.903573][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.903573][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.903573][ T72] [ 6899.905290][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6899.905290][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6899.905290][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6899.905290][ T72] ipv6_find_idev+0x102/0x170 [ 6899.905290][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6899.905290][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.905290][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.905290][ T72] netlink_unicast+0x449/0x710 [ 6899.905290][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.905290][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.905290][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.905290][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.905290][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.905290][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.905290][ T72] [ 6899.907185][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6899.907458][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6899.907458][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.907458][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.907458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.907458][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6899.907458][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6899.907458][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6899.907458][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6899.907458][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6899.907458][ T72] addrconf_dad_begin+0x310/0x670 [ 6899.907458][ T72] addrconf_dad_work+0x10b/0xab0 [ 6899.907458][ T72] process_one_work+0x84d/0x18a0 [ 6899.907458][ T72] worker_thread+0x587/0xd30 [ 6899.907458][ T72] kthread+0x28a/0x350 [ 6899.907458][ T72] ret_from_fork+0x31/0x70 [ 6899.907458][ T72] ret_from_fork_asm+0x1a/0x30 [ 6899.907458][ T72] [ 6899.909590][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6899.909590][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.909590][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.909590][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.909590][ T72] ip6_route_add+0x1c/0x140 [ 6899.909590][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6899.909590][ T72] inet6_addr_add+0x4f8/0xa40 [ 6899.909590][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.909590][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.909590][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.909590][ T72] netlink_unicast+0x449/0x710 [ 6899.909590][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.909590][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.909590][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.909590][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.909590][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.909590][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.909590][ T72] [ 6899.911918][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6899.911918][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.911918][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.911918][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.911918][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6899.911918][ T72] ipv6_add_addr+0x411/0x2000 [ 6899.911918][ T72] inet6_addr_add+0x30e/0xa40 [ 6899.911918][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.911918][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.911918][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.911918][ T72] netlink_unicast+0x449/0x710 [ 6899.911918][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.911918][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.911918][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.911918][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.911918][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.911918][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.911918][ T72] [ 6899.914198][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6899.914198][ T72] netdev_get_by_index+0x5e/0x80 [ 6899.914198][ T72] fib6_nh_init+0x3d8/0x1580 [ 6899.914198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6899.914198][ T72] ip6_route_add+0x1c/0x140 [ 6899.914198][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6899.914198][ T72] addrconf_add_dev+0xe2/0x170 [ 6899.914198][ T72] inet6_addr_add+0x12f/0xa40 [ 6899.914198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6899.914198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.914198][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.914198][ T72] netlink_unicast+0x449/0x710 [ 6899.914198][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.914198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.914198][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.914198][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.914198][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.914198][ T72] [ 6899.916335][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6899.916335][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6899.916335][ T72] ipv6_find_idev+0x102/0x170 [ 6899.916335][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6899.916335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.916335][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.916335][ T72] netlink_unicast+0x449/0x710 [ 6899.916335][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.916335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.916335][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.916335][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.916335][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.916335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.916335][ T72] [ 6899.918034][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6899.918034][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6899.918034][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6899.918034][ T72] ipv6_find_idev+0x102/0x170 [ 6899.918034][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6899.918034][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6899.918034][ T72] netlink_rcv_skb+0x130/0x360 [ 6899.918034][ T72] netlink_unicast+0x449/0x710 [ 6899.918034][ T72] netlink_sendmsg+0x723/0xbe0 [ 6899.918034][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6899.918034][ T72] ___sys_sendmsg+0xee/0x170 [ 6899.918034][ T72] __sys_sendmsg+0xcd/0x170 [ 6899.918034][ T72] do_syscall_64+0xc6/0x1e0 [ 6899.918034][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6899.918034][ T72] [ 6910.168994][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6910.169619][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6910.169619][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6910.169619][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6910.169619][ T72] fib6_nh_init+0xa22/0x1580 [ 6910.169619][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.169619][ T72] ip6_route_add+0x1c/0x140 [ 6910.169619][ T72] inet6_rtm_newroute+0x104/0x110 [ 6910.169619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.169619][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.169619][ T72] netlink_unicast+0x449/0x710 [ 6910.169619][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.169619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.169619][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.169619][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.169619][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.169619][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.169619][ T72] [ 6910.171508][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6910.171508][ T72] dst_init+0x84/0x4a0 [ 6910.171508][ T72] dst_alloc+0x97/0x150 [ 6910.171508][ T72] ip6_dst_alloc+0x23/0x90 [ 6910.171508][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6910.171508][ T72] ip6_pol_route+0x56f/0x840 [ 6910.171508][ T72] fib6_rule_lookup+0x456/0x630 [ 6910.171508][ T72] ip6_route_input+0x59c/0xa50 [ 6910.171508][ T72] ipv6_rcv+0x397/0x810 [ 6910.171508][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6910.171508][ T72] process_backlog+0x101/0x620 [ 6910.171508][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6910.171508][ T72] net_rx_action+0x495/0xbe0 [ 6910.171508][ T72] __do_softirq+0x1b5/0x7f6 [ 6910.171508][ T72] [ 6910.173103][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6910.173103][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.173103][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.173103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.173103][ T72] ip6_route_add+0x1c/0x140 [ 6910.173103][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6910.173103][ T72] inet6_addr_add+0x4f8/0xa40 [ 6910.173103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.173103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.173103][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.173103][ T72] netlink_unicast+0x449/0x710 [ 6910.173103][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.173103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.173103][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.173103][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.173103][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.173103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.173103][ T72] [ 6910.175127][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6910.175127][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.175127][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.175127][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.175127][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6910.175127][ T72] ipv6_add_addr+0x411/0x2000 [ 6910.175127][ T72] inet6_addr_add+0x30e/0xa40 [ 6910.175127][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.175127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.175127][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.175127][ T72] netlink_unicast+0x449/0x710 [ 6910.175127][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.175127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.175127][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.175127][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.175127][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.175127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.175127][ T72] [ 6910.177145][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6910.177145][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.177145][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.177145][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.177145][ T72] ip6_route_add+0x1c/0x140 [ 6910.177145][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6910.177145][ T72] addrconf_add_dev+0xe2/0x170 [ 6910.177145][ T72] inet6_addr_add+0x12f/0xa40 [ 6910.177145][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.177145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.177145][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.177145][ T72] netlink_unicast+0x449/0x710 [ 6910.177145][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.177145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.177145][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.177145][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.177145][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.177145][ T72] [ 6910.179077][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6910.179077][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6910.179077][ T72] ipv6_find_idev+0x102/0x170 [ 6910.179077][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.179077][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.179077][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.179077][ T72] netlink_unicast+0x449/0x710 [ 6910.179077][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.179077][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.179077][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.179077][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.179077][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.179077][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.179077][ T72] [ 6910.180565][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6910.180565][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6910.180565][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6910.180565][ T72] ipv6_find_idev+0x102/0x170 [ 6910.180565][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.180565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.180565][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.180565][ T72] netlink_unicast+0x449/0x710 [ 6910.180565][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.180565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.180565][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.180565][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.180565][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.180565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.180565][ T72] [ 6910.182234][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6910.182523][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6910.182523][ T72] dst_init+0x84/0x4a0 [ 6910.182523][ T72] dst_alloc+0x97/0x150 [ 6910.182523][ T72] ip6_dst_alloc+0x23/0x90 [ 6910.182523][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6910.182523][ T72] ip6_pol_route+0x56f/0x840 [ 6910.182523][ T72] fib6_rule_lookup+0x456/0x630 [ 6910.182523][ T72] ip6_route_input+0x59c/0xa50 [ 6910.182523][ T72] ipv6_rcv+0x397/0x810 [ 6910.182523][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6910.182523][ T72] process_backlog+0x101/0x620 [ 6910.182523][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6910.182523][ T72] net_rx_action+0x495/0xbe0 [ 6910.182523][ T72] __do_softirq+0x1b5/0x7f6 [ 6910.182523][ T72] [ 6910.184132][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6910.184132][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.184132][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.184132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.184132][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6910.184132][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6910.184132][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6910.184132][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6910.184132][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6910.184132][ T72] addrconf_dad_begin+0x310/0x670 [ 6910.184132][ T72] addrconf_dad_work+0x10b/0xab0 [ 6910.184132][ T72] process_one_work+0x84d/0x18a0 [ 6910.184132][ T72] worker_thread+0x587/0xd30 [ 6910.184132][ T72] kthread+0x28a/0x350 [ 6910.184132][ T72] ret_from_fork+0x31/0x70 [ 6910.184132][ T72] ret_from_fork_asm+0x1a/0x30 [ 6910.184132][ T72] [ 6910.185971][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6910.185971][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.185971][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.185971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.185971][ T72] ip6_route_add+0x1c/0x140 [ 6910.185971][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6910.185971][ T72] inet6_addr_add+0x4f8/0xa40 [ 6910.185971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.185971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.185971][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.185971][ T72] netlink_unicast+0x449/0x710 [ 6910.185971][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.185971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.185971][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.185971][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.185971][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.185971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.185971][ T72] [ 6910.187964][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6910.187964][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.187964][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.187964][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.187964][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6910.187964][ T72] ipv6_add_addr+0x411/0x2000 [ 6910.187964][ T72] inet6_addr_add+0x30e/0xa40 [ 6910.187964][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.187964][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.187964][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.187964][ T72] netlink_unicast+0x449/0x710 [ 6910.187964][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.187964][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.187964][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.187964][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.187964][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.187964][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.187964][ T72] [ 6910.189898][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6910.189898][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.189898][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.189898][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.189898][ T72] ip6_route_add+0x1c/0x140 [ 6910.189898][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6910.189898][ T72] addrconf_add_dev+0xe2/0x170 [ 6910.189898][ T72] inet6_addr_add+0x12f/0xa40 [ 6910.189898][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.189898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.189898][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.189898][ T72] netlink_unicast+0x449/0x710 [ 6910.189898][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.189898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.189898][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.189898][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.189898][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.189898][ T72] [ 6910.191855][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6910.191855][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6910.191855][ T72] ipv6_find_idev+0x102/0x170 [ 6910.191855][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.191855][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.191855][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.191855][ T72] netlink_unicast+0x449/0x710 [ 6910.191855][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.191855][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.191855][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.191855][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.191855][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.191855][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.191855][ T72] [ 6910.193380][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6910.193380][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6910.193380][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6910.193380][ T72] ipv6_find_idev+0x102/0x170 [ 6910.193380][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.193380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.193380][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.193380][ T72] netlink_unicast+0x449/0x710 [ 6910.193380][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.193380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.193380][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.193380][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.193380][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.193380][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.193380][ T72] [ 6910.195172][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6910.195443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6910.195443][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6910.195443][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6910.195443][ T72] fib6_nh_init+0xa22/0x1580 [ 6910.195443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.195443][ T72] ip6_route_add+0x1c/0x140 [ 6910.195443][ T72] inet6_rtm_newroute+0x104/0x110 [ 6910.195443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.195443][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.195443][ T72] netlink_unicast+0x449/0x710 [ 6910.195443][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.195443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.195443][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.195443][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.195443][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.195443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.195443][ T72] [ 6910.197617][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6910.197617][ T72] dst_init+0x84/0x4a0 [ 6910.197617][ T72] dst_alloc+0x97/0x150 [ 6910.197617][ T72] ip6_dst_alloc+0x23/0x90 [ 6910.197617][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6910.197617][ T72] ip6_pol_route+0x56f/0x840 [ 6910.197617][ T72] fib6_rule_lookup+0x456/0x630 [ 6910.197617][ T72] ip6_route_input+0x59c/0xa50 [ 6910.197617][ T72] ipv6_rcv+0x397/0x810 [ 6910.197617][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6910.197617][ T72] process_backlog+0x101/0x620 [ 6910.197617][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6910.197617][ T72] net_rx_action+0x495/0xbe0 [ 6910.197617][ T72] __do_softirq+0x1b5/0x7f6 [ 6910.197617][ T72] [ 6910.199389][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6910.199389][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.199389][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.199389][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.199389][ T72] ip6_route_add+0x1c/0x140 [ 6910.199389][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6910.199389][ T72] inet6_addr_add+0x4f8/0xa40 [ 6910.199389][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.199389][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.199389][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.199389][ T72] netlink_unicast+0x449/0x710 [ 6910.199389][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.199389][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.199389][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.199389][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.199389][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.199389][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.199389][ T72] [ 6910.201530][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6910.201530][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.201530][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.201530][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.201530][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6910.201530][ T72] ipv6_add_addr+0x411/0x2000 [ 6910.201530][ T72] inet6_addr_add+0x30e/0xa40 [ 6910.201530][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.201530][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.201530][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.201530][ T72] netlink_unicast+0x449/0x710 [ 6910.201530][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.201530][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.201530][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.201530][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.201530][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.201530][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.201530][ T72] [ 6910.203691][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6910.203691][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.203691][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.203691][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.203691][ T72] ip6_route_add+0x1c/0x140 [ 6910.203691][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6910.203691][ T72] addrconf_add_dev+0xe2/0x170 [ 6910.203691][ T72] inet6_addr_add+0x12f/0xa40 [ 6910.203691][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.203691][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.203691][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.203691][ T72] netlink_unicast+0x449/0x710 [ 6910.203691][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.203691][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.203691][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.203691][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.203691][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.203691][ T72] [ 6910.205925][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6910.205925][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6910.205925][ T72] ipv6_find_idev+0x102/0x170 [ 6910.205925][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.205925][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.205925][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.205925][ T72] netlink_unicast+0x449/0x710 [ 6910.205925][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.205925][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.205925][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.205925][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.205925][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.205925][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.205925][ T72] [ 6910.207648][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6910.207648][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6910.207648][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6910.207648][ T72] ipv6_find_idev+0x102/0x170 [ 6910.207648][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.207648][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.207648][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.207648][ T72] netlink_unicast+0x449/0x710 [ 6910.207648][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.207648][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.207648][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.207648][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.207648][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.207648][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.207648][ T72] [ 6910.209509][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6910.209933][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6910.209933][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.209933][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.209933][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.209933][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6910.209933][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6910.209933][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6910.209933][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6910.209933][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6910.209933][ T72] addrconf_dad_begin+0x310/0x670 [ 6910.209933][ T72] addrconf_dad_work+0x10b/0xab0 [ 6910.209933][ T72] process_one_work+0x84d/0x18a0 [ 6910.209933][ T72] worker_thread+0x587/0xd30 [ 6910.209933][ T72] kthread+0x28a/0x350 [ 6910.209933][ T72] ret_from_fork+0x31/0x70 [ 6910.209933][ T72] ret_from_fork_asm+0x1a/0x30 [ 6910.209933][ T72] [ 6910.212038][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6910.212038][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.212038][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.212038][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.212038][ T72] ip6_route_add+0x1c/0x140 [ 6910.212038][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6910.212038][ T72] inet6_addr_add+0x4f8/0xa40 [ 6910.212038][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.212038][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.212038][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.212038][ T72] netlink_unicast+0x449/0x710 [ 6910.212038][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.212038][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.212038][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.212038][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.212038][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.212038][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.212038][ T72] [ 6910.214280][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6910.214280][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.214280][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.214280][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.214280][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6910.214280][ T72] ipv6_add_addr+0x411/0x2000 [ 6910.214280][ T72] inet6_addr_add+0x30e/0xa40 [ 6910.214280][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.214280][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.214280][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.214280][ T72] netlink_unicast+0x449/0x710 [ 6910.214280][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.214280][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.214280][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.214280][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.214280][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.214280][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.214280][ T72] [ 6910.216489][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6910.216489][ T72] netdev_get_by_index+0x5e/0x80 [ 6910.216489][ T72] fib6_nh_init+0x3d8/0x1580 [ 6910.216489][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6910.216489][ T72] ip6_route_add+0x1c/0x140 [ 6910.216489][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6910.216489][ T72] addrconf_add_dev+0xe2/0x170 [ 6910.216489][ T72] inet6_addr_add+0x12f/0xa40 [ 6910.216489][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.216489][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.216489][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.216489][ T72] netlink_unicast+0x449/0x710 [ 6910.216489][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.216489][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.216489][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.216489][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.216489][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.216489][ T72] [ 6910.218675][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6910.218675][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6910.218675][ T72] ipv6_find_idev+0x102/0x170 [ 6910.218675][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.218675][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.218675][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.218675][ T72] netlink_unicast+0x449/0x710 [ 6910.218675][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.218675][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.218675][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.218675][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.218675][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.218675][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.218675][ T72] [ 6910.220374][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6910.220374][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6910.220374][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6910.220374][ T72] ipv6_find_idev+0x102/0x170 [ 6910.220374][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.220374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.220374][ T72] netlink_rcv_skb+0x130/0x360 [ 6910.220374][ T72] netlink_unicast+0x449/0x710 [ 6910.220374][ T72] netlink_sendmsg+0x723/0xbe0 [ 6910.220374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6910.220374][ T72] ___sys_sendmsg+0xee/0x170 [ 6910.220374][ T72] __sys_sendmsg+0xcd/0x170 [ 6910.220374][ T72] do_syscall_64+0xc6/0x1e0 [ 6910.220374][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.220374][ T72] [ 6920.352873][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6920.353407][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6920.353407][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6920.353407][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6920.353407][ T72] fib6_nh_init+0xa22/0x1580 [ 6920.353407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.353407][ T72] ip6_route_add+0x1c/0x140 [ 6920.353407][ T72] inet6_rtm_newroute+0x104/0x110 [ 6920.353407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.353407][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.353407][ T72] netlink_unicast+0x449/0x710 [ 6920.353407][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.353407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.353407][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.353407][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.353407][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.353407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.353407][ T72] [ 6920.356191][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6920.356191][ T72] dst_init+0x84/0x4a0 [ 6920.356191][ T72] dst_alloc+0x97/0x150 [ 6920.356191][ T72] ip6_dst_alloc+0x23/0x90 [ 6920.356191][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6920.356191][ T72] ip6_pol_route+0x56f/0x840 [ 6920.356191][ T72] fib6_rule_lookup+0x456/0x630 [ 6920.356191][ T72] ip6_route_input+0x59c/0xa50 [ 6920.356191][ T72] ipv6_rcv+0x397/0x810 [ 6920.356191][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6920.356191][ T72] process_backlog+0x101/0x620 [ 6920.356191][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6920.356191][ T72] net_rx_action+0x495/0xbe0 [ 6920.356191][ T72] __do_softirq+0x1b5/0x7f6 [ 6920.356191][ T72] [ 6920.358587][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6920.358587][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.358587][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.358587][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.358587][ T72] ip6_route_add+0x1c/0x140 [ 6920.358587][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6920.358587][ T72] inet6_addr_add+0x4f8/0xa40 [ 6920.358587][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.358587][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.358587][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.358587][ T72] netlink_unicast+0x449/0x710 [ 6920.358587][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.358587][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.358587][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.358587][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.358587][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.358587][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.358587][ T72] [ 6920.361540][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6920.361540][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.361540][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.361540][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.361540][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6920.361540][ T72] ipv6_add_addr+0x411/0x2000 [ 6920.361540][ T72] inet6_addr_add+0x30e/0xa40 [ 6920.361540][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.361540][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.361540][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.361540][ T72] netlink_unicast+0x449/0x710 [ 6920.361540][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.361540][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.361540][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.361540][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.361540][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.361540][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.361540][ T72] [ 6920.364419][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6920.364419][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.364419][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.364419][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.364419][ T72] ip6_route_add+0x1c/0x140 [ 6920.364419][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6920.364419][ T72] addrconf_add_dev+0xe2/0x170 [ 6920.364419][ T72] inet6_addr_add+0x12f/0xa40 [ 6920.364419][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.364419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.364419][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.364419][ T72] netlink_unicast+0x449/0x710 [ 6920.364419][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.364419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.364419][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.364419][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.364419][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.364419][ T72] [ 6920.367343][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6920.367343][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6920.367343][ T72] ipv6_find_idev+0x102/0x170 [ 6920.367343][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6920.367343][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.367343][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.367343][ T72] netlink_unicast+0x449/0x710 [ 6920.367343][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.367343][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.367343][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.367343][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.367343][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.367343][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.367343][ T72] [ 6920.369658][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6920.369658][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6920.369658][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6920.369658][ T72] ipv6_find_idev+0x102/0x170 [ 6920.369658][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6920.369658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.369658][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.369658][ T72] netlink_unicast+0x449/0x710 [ 6920.369658][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.369658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.369658][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.369658][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.369658][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.369658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.369658][ T72] [ 6920.372169][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6920.372567][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6920.372567][ T72] dst_init+0x84/0x4a0 [ 6920.372567][ T72] dst_alloc+0x97/0x150 [ 6920.372567][ T72] ip6_dst_alloc+0x23/0x90 [ 6920.372567][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6920.372567][ T72] ip6_pol_route+0x56f/0x840 [ 6920.372567][ T72] fib6_rule_lookup+0x456/0x630 [ 6920.372567][ T72] ip6_route_input+0x59c/0xa50 [ 6920.372567][ T72] ipv6_rcv+0x397/0x810 [ 6920.372567][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6920.372567][ T72] process_backlog+0x101/0x620 [ 6920.372567][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6920.372567][ T72] net_rx_action+0x495/0xbe0 [ 6920.372567][ T72] __do_softirq+0x1b5/0x7f6 [ 6920.372567][ T72] [ 6920.375023][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6920.375023][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.375023][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.375023][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.375023][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6920.375023][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6920.375023][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6920.375023][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6920.375023][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6920.375023][ T72] addrconf_dad_begin+0x310/0x670 [ 6920.375023][ T72] addrconf_dad_work+0x10b/0xab0 [ 6920.375023][ T72] process_one_work+0x84d/0x18a0 [ 6920.375023][ T72] worker_thread+0x587/0xd30 [ 6920.375023][ T72] kthread+0x28a/0x350 [ 6920.375023][ T72] ret_from_fork+0x31/0x70 [ 6920.375023][ T72] ret_from_fork_asm+0x1a/0x30 [ 6920.375023][ T72] [ 6920.377919][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6920.377919][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.377919][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.377919][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.377919][ T72] ip6_route_add+0x1c/0x140 [ 6920.377919][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6920.377919][ T72] inet6_addr_add+0x4f8/0xa40 [ 6920.377919][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.377919][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.377919][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.377919][ T72] netlink_unicast+0x449/0x710 [ 6920.377919][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.377919][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.377919][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.377919][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.377919][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.377919][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.377919][ T72] [ 6920.380873][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6920.380873][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.380873][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.380873][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.380873][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6920.380873][ T72] ipv6_add_addr+0x411/0x2000 [ 6920.380873][ T72] inet6_addr_add+0x30e/0xa40 [ 6920.380873][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.380873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.380873][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.380873][ T72] netlink_unicast+0x449/0x710 [ 6920.380873][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.380873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.380873][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.380873][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.380873][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.380873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.380873][ T72] [ 6920.383827][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6920.383827][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.383827][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.383827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.383827][ T72] ip6_route_add+0x1c/0x140 [ 6920.383827][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6920.383827][ T72] addrconf_add_dev+0xe2/0x170 [ 6920.383827][ T72] inet6_addr_add+0x12f/0xa40 [ 6920.383827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.383827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.383827][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.383827][ T72] netlink_unicast+0x449/0x710 [ 6920.383827][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.383827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.383827][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.383827][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.383827][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.383827][ T72] [ 6920.386725][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6920.386725][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6920.386725][ T72] ipv6_find_idev+0x102/0x170 [ 6920.386725][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6920.386725][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.386725][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.386725][ T72] netlink_unicast+0x449/0x710 [ 6920.386725][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.386725][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.386725][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.386725][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.386725][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.386725][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.386725][ T72] [ 6920.389047][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6920.389047][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6920.389047][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6920.389047][ T72] ipv6_find_idev+0x102/0x170 [ 6920.389047][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6920.389047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.389047][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.389047][ T72] netlink_unicast+0x449/0x710 [ 6920.389047][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.389047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.389047][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.389047][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.389047][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.389047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.389047][ T72] [ 6920.391571][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6920.391980][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6920.391980][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6920.391980][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6920.391980][ T72] fib6_nh_init+0xa22/0x1580 [ 6920.391980][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.391980][ T72] ip6_route_add+0x1c/0x140 [ 6920.391980][ T72] inet6_rtm_newroute+0x104/0x110 [ 6920.391980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.391980][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.391980][ T72] netlink_unicast+0x449/0x710 [ 6920.391980][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.391980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.391980][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.391980][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.391980][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.391980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.391980][ T72] [ 6920.394968][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6920.394968][ T72] dst_init+0x84/0x4a0 [ 6920.394968][ T72] dst_alloc+0x97/0x150 [ 6920.394968][ T72] ip6_dst_alloc+0x23/0x90 [ 6920.394968][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6920.394968][ T72] ip6_pol_route+0x56f/0x840 [ 6920.394968][ T72] fib6_rule_lookup+0x456/0x630 [ 6920.394968][ T72] ip6_route_input+0x59c/0xa50 [ 6920.394968][ T72] ipv6_rcv+0x397/0x810 [ 6920.394968][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6920.394968][ T72] process_backlog+0x101/0x620 [ 6920.394968][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6920.394968][ T72] net_rx_action+0x495/0xbe0 [ 6920.394968][ T72] __do_softirq+0x1b5/0x7f6 [ 6920.394968][ T72] [ 6920.397592][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6920.397592][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.397592][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.397592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.397592][ T72] ip6_route_add+0x1c/0x140 [ 6920.397592][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6920.397592][ T72] inet6_addr_add+0x4f8/0xa40 [ 6920.397592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.397592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.397592][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.397592][ T72] netlink_unicast+0x449/0x710 [ 6920.397592][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.397592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.397592][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.397592][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.397592][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.397592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.397592][ T72] [ 6920.400824][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6920.400824][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.400824][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.400824][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.400824][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6920.400824][ T72] ipv6_add_addr+0x411/0x2000 [ 6920.400824][ T72] inet6_addr_add+0x30e/0xa40 [ 6920.400824][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.400824][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.400824][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.400824][ T72] netlink_unicast+0x449/0x710 [ 6920.400824][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.400824][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.400824][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.400824][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.400824][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.400824][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.400824][ T72] [ 6920.403957][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6920.403957][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.403957][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.403957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.403957][ T72] ip6_route_add+0x1c/0x140 [ 6920.403957][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6920.403957][ T72] addrconf_add_dev+0xe2/0x170 [ 6920.403957][ T72] inet6_addr_add+0x12f/0xa40 [ 6920.403957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.403957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.403957][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.403957][ T72] netlink_unicast+0x449/0x710 [ 6920.403957][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.403957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.403957][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.403957][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.403957][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.403957][ T72] [ 6920.407179][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6920.407179][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6920.407179][ T72] ipv6_find_idev+0x102/0x170 [ 6920.407179][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6920.407179][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.407179][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.407179][ T72] netlink_unicast+0x449/0x710 [ 6920.407179][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.407179][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.407179][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.407179][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.407179][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.407179][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.407179][ T72] [ 6920.410110][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6920.410110][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6920.410110][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6920.410110][ T72] ipv6_find_idev+0x102/0x170 [ 6920.410110][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6920.410110][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.410110][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.410110][ T72] netlink_unicast+0x449/0x710 [ 6920.410110][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.410110][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.410110][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.410110][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.410110][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.410110][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.410110][ T72] [ 6920.413442][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6920.414365][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6920.414365][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.414365][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.414365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.414365][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6920.414365][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6920.414365][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6920.414365][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6920.414365][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6920.414365][ T72] addrconf_dad_begin+0x310/0x670 [ 6920.414365][ T72] addrconf_dad_work+0x10b/0xab0 [ 6920.414365][ T72] process_one_work+0x84d/0x18a0 [ 6920.414365][ T72] worker_thread+0x587/0xd30 [ 6920.414365][ T72] kthread+0x28a/0x350 [ 6920.414365][ T72] ret_from_fork+0x31/0x70 [ 6920.414365][ T72] ret_from_fork_asm+0x1a/0x30 [ 6920.414365][ T72] [ 6920.418032][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6920.418032][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.418032][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.418032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.418032][ T72] ip6_route_add+0x1c/0x140 [ 6920.418032][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6920.418032][ T72] inet6_addr_add+0x4f8/0xa40 [ 6920.418032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.418032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.418032][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.418032][ T72] netlink_unicast+0x449/0x710 [ 6920.418032][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.418032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.418032][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.418032][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.418032][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.418032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.418032][ T72] [ 6920.423187][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6920.423187][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.423187][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.423187][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.423187][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6920.423187][ T72] ipv6_add_addr+0x411/0x2000 [ 6920.423187][ T72] inet6_addr_add+0x30e/0xa40 [ 6920.423187][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.423187][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.423187][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.423187][ T72] netlink_unicast+0x449/0x710 [ 6920.423187][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.423187][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.423187][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.423187][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.423187][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.423187][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.423187][ T72] [ 6920.430071][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6920.430071][ T72] netdev_get_by_index+0x5e/0x80 [ 6920.430071][ T72] fib6_nh_init+0x3d8/0x1580 [ 6920.430071][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6920.430071][ T72] ip6_route_add+0x1c/0x140 [ 6920.430071][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6920.430071][ T72] addrconf_add_dev+0xe2/0x170 [ 6920.430071][ T72] inet6_addr_add+0x12f/0xa40 [ 6920.430071][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6920.430071][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.430071][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.430071][ T72] netlink_unicast+0x449/0x710 [ 6920.430071][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.430071][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.430071][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.430071][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.430071][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.430071][ T72] [ 6920.436763][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6920.436763][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6920.436763][ T72] ipv6_find_idev+0x102/0x170 [ 6920.436763][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6920.436763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.436763][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.436763][ T72] netlink_unicast+0x449/0x710 [ 6920.436763][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.436763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.436763][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.436763][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.436763][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.436763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.436763][ T72] [ 6920.441898][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6920.441898][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6920.441898][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6920.441898][ T72] ipv6_find_idev+0x102/0x170 [ 6920.441898][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6920.441898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6920.441898][ T72] netlink_rcv_skb+0x130/0x360 [ 6920.441898][ T72] netlink_unicast+0x449/0x710 [ 6920.441898][ T72] netlink_sendmsg+0x723/0xbe0 [ 6920.441898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6920.441898][ T72] ___sys_sendmsg+0xee/0x170 [ 6920.441898][ T72] __sys_sendmsg+0xcd/0x170 [ 6920.441898][ T72] do_syscall_64+0xc6/0x1e0 [ 6920.441898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6920.441898][ T72] [ 6930.520986][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6930.521700][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6930.521700][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6930.521700][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6930.521700][ T72] fib6_nh_init+0xa22/0x1580 [ 6930.521700][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.521700][ T72] ip6_route_add+0x1c/0x140 [ 6930.521700][ T72] inet6_rtm_newroute+0x104/0x110 [ 6930.521700][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.521700][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.521700][ T72] netlink_unicast+0x449/0x710 [ 6930.521700][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.521700][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.521700][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.521700][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.521700][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.521700][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.521700][ T72] [ 6930.523506][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6930.523506][ T72] dst_init+0x84/0x4a0 [ 6930.523506][ T72] dst_alloc+0x97/0x150 [ 6930.523506][ T72] ip6_dst_alloc+0x23/0x90 [ 6930.523506][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6930.523506][ T72] ip6_pol_route+0x56f/0x840 [ 6930.523506][ T72] fib6_rule_lookup+0x456/0x630 [ 6930.523506][ T72] ip6_route_input+0x59c/0xa50 [ 6930.523506][ T72] ipv6_rcv+0x397/0x810 [ 6930.523506][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6930.523506][ T72] process_backlog+0x101/0x620 [ 6930.523506][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6930.523506][ T72] net_rx_action+0x495/0xbe0 [ 6930.523506][ T72] __do_softirq+0x1b5/0x7f6 [ 6930.523506][ T72] [ 6930.525061][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6930.525061][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.525061][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.525061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.525061][ T72] ip6_route_add+0x1c/0x140 [ 6930.525061][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6930.525061][ T72] inet6_addr_add+0x4f8/0xa40 [ 6930.525061][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.525061][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.525061][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.525061][ T72] netlink_unicast+0x449/0x710 [ 6930.525061][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.525061][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.525061][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.525061][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.525061][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.525061][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.525061][ T72] [ 6930.527033][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6930.527033][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.527033][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.527033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.527033][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6930.527033][ T72] ipv6_add_addr+0x411/0x2000 [ 6930.527033][ T72] inet6_addr_add+0x30e/0xa40 [ 6930.527033][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.527033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.527033][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.527033][ T72] netlink_unicast+0x449/0x710 [ 6930.527033][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.527033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.527033][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.527033][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.527033][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.527033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.527033][ T72] [ 6930.528928][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6930.528928][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.528928][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.528928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.528928][ T72] ip6_route_add+0x1c/0x140 [ 6930.528928][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6930.528928][ T72] addrconf_add_dev+0xe2/0x170 [ 6930.528928][ T72] inet6_addr_add+0x12f/0xa40 [ 6930.528928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.528928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.528928][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.528928][ T72] netlink_unicast+0x449/0x710 [ 6930.528928][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.528928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.528928][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.528928][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.528928][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.528928][ T72] [ 6930.530827][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6930.530827][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6930.530827][ T72] ipv6_find_idev+0x102/0x170 [ 6930.530827][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6930.530827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.530827][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.530827][ T72] netlink_unicast+0x449/0x710 [ 6930.530827][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.530827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.530827][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.530827][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.530827][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.530827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.530827][ T72] [ 6930.532262][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6930.532262][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6930.532262][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6930.532262][ T72] ipv6_find_idev+0x102/0x170 [ 6930.532262][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6930.532262][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.532262][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.532262][ T72] netlink_unicast+0x449/0x710 [ 6930.532262][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.532262][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.532262][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.532262][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.532262][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.532262][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.532262][ T72] [ 6930.533933][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6930.534213][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6930.534213][ T72] dst_init+0x84/0x4a0 [ 6930.534213][ T72] dst_alloc+0x97/0x150 [ 6930.534213][ T72] ip6_dst_alloc+0x23/0x90 [ 6930.534213][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6930.534213][ T72] ip6_pol_route+0x56f/0x840 [ 6930.534213][ T72] fib6_rule_lookup+0x456/0x630 [ 6930.534213][ T72] ip6_route_input+0x59c/0xa50 [ 6930.534213][ T72] ipv6_rcv+0x397/0x810 [ 6930.534213][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6930.534213][ T72] process_backlog+0x101/0x620 [ 6930.534213][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6930.534213][ T72] net_rx_action+0x495/0xbe0 [ 6930.534213][ T72] __do_softirq+0x1b5/0x7f6 [ 6930.534213][ T72] [ 6930.535853][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6930.535853][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.535853][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.535853][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.535853][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6930.535853][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6930.535853][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6930.535853][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6930.535853][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6930.535853][ T72] addrconf_dad_begin+0x310/0x670 [ 6930.535853][ T72] addrconf_dad_work+0x10b/0xab0 [ 6930.535853][ T72] process_one_work+0x84d/0x18a0 [ 6930.535853][ T72] worker_thread+0x587/0xd30 [ 6930.535853][ T72] kthread+0x28a/0x350 [ 6930.535853][ T72] ret_from_fork+0x31/0x70 [ 6930.535853][ T72] ret_from_fork_asm+0x1a/0x30 [ 6930.535853][ T72] [ 6930.537762][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6930.537762][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.537762][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.537762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.537762][ T72] ip6_route_add+0x1c/0x140 [ 6930.537762][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6930.537762][ T72] inet6_addr_add+0x4f8/0xa40 [ 6930.537762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.537762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.537762][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.537762][ T72] netlink_unicast+0x449/0x710 [ 6930.537762][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.537762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.537762][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.537762][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.537762][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.537762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.537762][ T72] [ 6930.539674][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6930.539674][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.539674][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.539674][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.539674][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6930.539674][ T72] ipv6_add_addr+0x411/0x2000 [ 6930.539674][ T72] inet6_addr_add+0x30e/0xa40 [ 6930.539674][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.539674][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.539674][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.539674][ T72] netlink_unicast+0x449/0x710 [ 6930.539674][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.539674][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.539674][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.539674][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.539674][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.539674][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.539674][ T72] [ 6930.541654][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6930.541654][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.541654][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.541654][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.541654][ T72] ip6_route_add+0x1c/0x140 [ 6930.541654][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6930.541654][ T72] addrconf_add_dev+0xe2/0x170 [ 6930.541654][ T72] inet6_addr_add+0x12f/0xa40 [ 6930.541654][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.541654][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.541654][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.541654][ T72] netlink_unicast+0x449/0x710 [ 6930.541654][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.541654][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.541654][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.541654][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.541654][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.541654][ T72] [ 6930.543546][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6930.543546][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6930.543546][ T72] ipv6_find_idev+0x102/0x170 [ 6930.543546][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6930.543546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.543546][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.543546][ T72] netlink_unicast+0x449/0x710 [ 6930.543546][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.543546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.543546][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.543546][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.543546][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.543546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.543546][ T72] [ 6930.545031][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6930.545031][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6930.545031][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6930.545031][ T72] ipv6_find_idev+0x102/0x170 [ 6930.545031][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6930.545031][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.545031][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.545031][ T72] netlink_unicast+0x449/0x710 [ 6930.545031][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.545031][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.545031][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.545031][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.545031][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.545031][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.545031][ T72] [ 6930.546810][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6930.547079][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6930.547079][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6930.547079][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6930.547079][ T72] fib6_nh_init+0xa22/0x1580 [ 6930.547079][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.547079][ T72] ip6_route_add+0x1c/0x140 [ 6930.547079][ T72] inet6_rtm_newroute+0x104/0x110 [ 6930.547079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.547079][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.547079][ T72] netlink_unicast+0x449/0x710 [ 6930.547079][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.547079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.547079][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.547079][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.547079][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.547079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.547079][ T72] [ 6930.549099][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6930.549099][ T72] dst_init+0x84/0x4a0 [ 6930.549099][ T72] dst_alloc+0x97/0x150 [ 6930.549099][ T72] ip6_dst_alloc+0x23/0x90 [ 6930.549099][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6930.549099][ T72] ip6_pol_route+0x56f/0x840 [ 6930.549099][ T72] fib6_rule_lookup+0x456/0x630 [ 6930.549099][ T72] ip6_route_input+0x59c/0xa50 [ 6930.549099][ T72] ipv6_rcv+0x397/0x810 [ 6930.549099][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6930.549099][ T72] process_backlog+0x101/0x620 [ 6930.549099][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6930.549099][ T72] net_rx_action+0x495/0xbe0 [ 6930.549099][ T72] __do_softirq+0x1b5/0x7f6 [ 6930.549099][ T72] [ 6930.550965][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6930.550965][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.550965][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.550965][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.550965][ T72] ip6_route_add+0x1c/0x140 [ 6930.550965][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6930.550965][ T72] inet6_addr_add+0x4f8/0xa40 [ 6930.550965][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.550965][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.550965][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.550965][ T72] netlink_unicast+0x449/0x710 [ 6930.550965][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.550965][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.550965][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.550965][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.550965][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.550965][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.550965][ T72] [ 6930.553093][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6930.553093][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.553093][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.553093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.553093][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6930.553093][ T72] ipv6_add_addr+0x411/0x2000 [ 6930.553093][ T72] inet6_addr_add+0x30e/0xa40 [ 6930.553093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.553093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.553093][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.553093][ T72] netlink_unicast+0x449/0x710 [ 6930.553093][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.553093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.553093][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.553093][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.553093][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.553093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.553093][ T72] [ 6930.555319][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6930.555319][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.555319][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.555319][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.555319][ T72] ip6_route_add+0x1c/0x140 [ 6930.555319][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6930.555319][ T72] addrconf_add_dev+0xe2/0x170 [ 6930.555319][ T72] inet6_addr_add+0x12f/0xa40 [ 6930.555319][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.555319][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.555319][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.555319][ T72] netlink_unicast+0x449/0x710 [ 6930.555319][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.555319][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.555319][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.555319][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.555319][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.555319][ T72] [ 6930.557546][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6930.557546][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6930.557546][ T72] ipv6_find_idev+0x102/0x170 [ 6930.557546][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6930.557546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.557546][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.557546][ T72] netlink_unicast+0x449/0x710 [ 6930.557546][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.557546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.557546][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.557546][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.557546][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.557546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.557546][ T72] [ 6930.559329][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6930.559329][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6930.559329][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6930.559329][ T72] ipv6_find_idev+0x102/0x170 [ 6930.559329][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6930.559329][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.559329][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.559329][ T72] netlink_unicast+0x449/0x710 [ 6930.559329][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.559329][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.559329][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.559329][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.559329][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.559329][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.559329][ T72] [ 6930.561189][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6930.561521][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6930.561521][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.561521][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.561521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.561521][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6930.561521][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6930.561521][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6930.561521][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6930.561521][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6930.561521][ T72] addrconf_dad_begin+0x310/0x670 [ 6930.561521][ T72] addrconf_dad_work+0x10b/0xab0 [ 6930.561521][ T72] process_one_work+0x84d/0x18a0 [ 6930.561521][ T72] worker_thread+0x587/0xd30 [ 6930.561521][ T72] kthread+0x28a/0x350 [ 6930.561521][ T72] ret_from_fork+0x31/0x70 [ 6930.561521][ T72] ret_from_fork_asm+0x1a/0x30 [ 6930.561521][ T72] [ 6930.563591][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6930.563591][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.563591][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.563591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.563591][ T72] ip6_route_add+0x1c/0x140 [ 6930.563591][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6930.563591][ T72] inet6_addr_add+0x4f8/0xa40 [ 6930.563591][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.563591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.563591][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.563591][ T72] netlink_unicast+0x449/0x710 [ 6930.563591][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.563591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.563591][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.563591][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.563591][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.563591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.563591][ T72] [ 6930.565822][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6930.565822][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.565822][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.565822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.565822][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6930.565822][ T72] ipv6_add_addr+0x411/0x2000 [ 6930.565822][ T72] inet6_addr_add+0x30e/0xa40 [ 6930.565822][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.565822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.565822][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.565822][ T72] netlink_unicast+0x449/0x710 [ 6930.565822][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.565822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.565822][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.565822][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.565822][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.565822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.565822][ T72] [ 6930.568145][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6930.568145][ T72] netdev_get_by_index+0x5e/0x80 [ 6930.568145][ T72] fib6_nh_init+0x3d8/0x1580 [ 6930.568145][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6930.568145][ T72] ip6_route_add+0x1c/0x140 [ 6930.568145][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6930.568145][ T72] addrconf_add_dev+0xe2/0x170 [ 6930.568145][ T72] inet6_addr_add+0x12f/0xa40 [ 6930.568145][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6930.568145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.568145][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.568145][ T72] netlink_unicast+0x449/0x710 [ 6930.568145][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.568145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.568145][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.568145][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.568145][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.568145][ T72] [ 6930.570362][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6930.570362][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6930.570362][ T72] ipv6_find_idev+0x102/0x170 [ 6930.570362][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6930.570362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.570362][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.570362][ T72] netlink_unicast+0x449/0x710 [ 6930.570362][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.570362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.570362][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.570362][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.570362][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.570362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.570362][ T72] [ 6930.572050][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6930.572050][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6930.572050][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6930.572050][ T72] ipv6_find_idev+0x102/0x170 [ 6930.572050][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6930.572050][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6930.572050][ T72] netlink_rcv_skb+0x130/0x360 [ 6930.572050][ T72] netlink_unicast+0x449/0x710 [ 6930.572050][ T72] netlink_sendmsg+0x723/0xbe0 [ 6930.572050][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6930.572050][ T72] ___sys_sendmsg+0xee/0x170 [ 6930.572050][ T72] __sys_sendmsg+0xcd/0x170 [ 6930.572050][ T72] do_syscall_64+0xc6/0x1e0 [ 6930.572050][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6930.572050][ T72] [ 6940.664988][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6940.665624][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6940.665624][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6940.665624][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6940.665624][ T72] fib6_nh_init+0xa22/0x1580 [ 6940.665624][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.665624][ T72] ip6_route_add+0x1c/0x140 [ 6940.665624][ T72] inet6_rtm_newroute+0x104/0x110 [ 6940.665624][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.665624][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.665624][ T72] netlink_unicast+0x449/0x710 [ 6940.665624][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.665624][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.665624][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.665624][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.665624][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.665624][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.665624][ T72] [ 6940.667476][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6940.667476][ T72] dst_init+0x84/0x4a0 [ 6940.667476][ T72] dst_alloc+0x97/0x150 [ 6940.667476][ T72] ip6_dst_alloc+0x23/0x90 [ 6940.667476][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6940.667476][ T72] ip6_pol_route+0x56f/0x840 [ 6940.667476][ T72] fib6_rule_lookup+0x456/0x630 [ 6940.667476][ T72] ip6_route_input+0x59c/0xa50 [ 6940.667476][ T72] ipv6_rcv+0x397/0x810 [ 6940.667476][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6940.667476][ T72] process_backlog+0x101/0x620 [ 6940.667476][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6940.667476][ T72] net_rx_action+0x495/0xbe0 [ 6940.667476][ T72] __do_softirq+0x1b5/0x7f6 [ 6940.667476][ T72] [ 6940.669066][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6940.669066][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.669066][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.669066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.669066][ T72] ip6_route_add+0x1c/0x140 [ 6940.669066][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6940.669066][ T72] inet6_addr_add+0x4f8/0xa40 [ 6940.669066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.669066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.669066][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.669066][ T72] netlink_unicast+0x449/0x710 [ 6940.669066][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.669066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.669066][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.669066][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.669066][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.669066][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.669066][ T72] [ 6940.671032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6940.671032][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.671032][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.671032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.671032][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6940.671032][ T72] ipv6_add_addr+0x411/0x2000 [ 6940.671032][ T72] inet6_addr_add+0x30e/0xa40 [ 6940.671032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.671032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.671032][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.671032][ T72] netlink_unicast+0x449/0x710 [ 6940.671032][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.671032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.671032][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.671032][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.671032][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.671032][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.671032][ T72] [ 6940.672945][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6940.672945][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.672945][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.672945][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.672945][ T72] ip6_route_add+0x1c/0x140 [ 6940.672945][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6940.672945][ T72] addrconf_add_dev+0xe2/0x170 [ 6940.672945][ T72] inet6_addr_add+0x12f/0xa40 [ 6940.672945][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.672945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.672945][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.672945][ T72] netlink_unicast+0x449/0x710 [ 6940.672945][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.672945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.672945][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.672945][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.672945][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.672945][ T72] [ 6940.674868][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6940.674868][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6940.674868][ T72] ipv6_find_idev+0x102/0x170 [ 6940.674868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6940.674868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.674868][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.674868][ T72] netlink_unicast+0x449/0x710 [ 6940.674868][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.674868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.674868][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.674868][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.674868][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.674868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.674868][ T72] [ 6940.676398][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6940.676398][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6940.676398][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6940.676398][ T72] ipv6_find_idev+0x102/0x170 [ 6940.676398][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6940.676398][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.676398][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.676398][ T72] netlink_unicast+0x449/0x710 [ 6940.676398][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.676398][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.676398][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.676398][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.676398][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.676398][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.676398][ T72] [ 6940.678142][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6940.678434][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6940.678434][ T72] dst_init+0x84/0x4a0 [ 6940.678434][ T72] dst_alloc+0x97/0x150 [ 6940.678434][ T72] ip6_dst_alloc+0x23/0x90 [ 6940.678434][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6940.678434][ T72] ip6_pol_route+0x56f/0x840 [ 6940.678434][ T72] fib6_rule_lookup+0x456/0x630 [ 6940.678434][ T72] ip6_route_input+0x59c/0xa50 [ 6940.678434][ T72] ipv6_rcv+0x397/0x810 [ 6940.678434][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6940.678434][ T72] process_backlog+0x101/0x620 [ 6940.678434][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6940.678434][ T72] net_rx_action+0x495/0xbe0 [ 6940.678434][ T72] __do_softirq+0x1b5/0x7f6 [ 6940.678434][ T72] [ 6940.680054][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6940.680054][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.680054][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.680054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.680054][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6940.680054][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6940.680054][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6940.680054][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6940.680054][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6940.680054][ T72] addrconf_dad_begin+0x310/0x670 [ 6940.680054][ T72] addrconf_dad_work+0x10b/0xab0 [ 6940.680054][ T72] process_one_work+0x84d/0x18a0 [ 6940.680054][ T72] worker_thread+0x587/0xd30 [ 6940.680054][ T72] kthread+0x28a/0x350 [ 6940.680054][ T72] ret_from_fork+0x31/0x70 [ 6940.680054][ T72] ret_from_fork_asm+0x1a/0x30 [ 6940.680054][ T72] [ 6940.681887][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6940.681887][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.681887][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.681887][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.681887][ T72] ip6_route_add+0x1c/0x140 [ 6940.681887][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6940.681887][ T72] inet6_addr_add+0x4f8/0xa40 [ 6940.681887][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.681887][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.681887][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.681887][ T72] netlink_unicast+0x449/0x710 [ 6940.681887][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.681887][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.681887][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.681887][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.681887][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.681887][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.681887][ T72] [ 6940.683751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6940.683751][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.683751][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.683751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.683751][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6940.683751][ T72] ipv6_add_addr+0x411/0x2000 [ 6940.683751][ T72] inet6_addr_add+0x30e/0xa40 [ 6940.683751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.683751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.683751][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.683751][ T72] netlink_unicast+0x449/0x710 [ 6940.683751][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.683751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.683751][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.683751][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.683751][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.683751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.683751][ T72] [ 6940.685741][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6940.685741][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.685741][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.685741][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.685741][ T72] ip6_route_add+0x1c/0x140 [ 6940.685741][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6940.685741][ T72] addrconf_add_dev+0xe2/0x170 [ 6940.685741][ T72] inet6_addr_add+0x12f/0xa40 [ 6940.685741][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.685741][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.685741][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.685741][ T72] netlink_unicast+0x449/0x710 [ 6940.685741][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.685741][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.685741][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.685741][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.685741][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.685741][ T72] [ 6940.687736][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6940.687736][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6940.687736][ T72] ipv6_find_idev+0x102/0x170 [ 6940.687736][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6940.687736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.687736][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.687736][ T72] netlink_unicast+0x449/0x710 [ 6940.687736][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.687736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.687736][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.687736][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.687736][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.687736][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.687736][ T72] [ 6940.689281][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6940.689281][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6940.689281][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6940.689281][ T72] ipv6_find_idev+0x102/0x170 [ 6940.689281][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6940.689281][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.689281][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.689281][ T72] netlink_unicast+0x449/0x710 [ 6940.689281][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.689281][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.689281][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.689281][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.689281][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.689281][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.689281][ T72] [ 6940.691065][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6940.691339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6940.691339][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6940.691339][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6940.691339][ T72] fib6_nh_init+0xa22/0x1580 [ 6940.691339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.691339][ T72] ip6_route_add+0x1c/0x140 [ 6940.691339][ T72] inet6_rtm_newroute+0x104/0x110 [ 6940.691339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.691339][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.691339][ T72] netlink_unicast+0x449/0x710 [ 6940.691339][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.691339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.691339][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.691339][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.691339][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.691339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.691339][ T72] [ 6940.693507][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6940.693507][ T72] dst_init+0x84/0x4a0 [ 6940.693507][ T72] dst_alloc+0x97/0x150 [ 6940.693507][ T72] ip6_dst_alloc+0x23/0x90 [ 6940.693507][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6940.693507][ T72] ip6_pol_route+0x56f/0x840 [ 6940.693507][ T72] fib6_rule_lookup+0x456/0x630 [ 6940.693507][ T72] ip6_route_input+0x59c/0xa50 [ 6940.693507][ T72] ipv6_rcv+0x397/0x810 [ 6940.693507][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6940.693507][ T72] process_backlog+0x101/0x620 [ 6940.693507][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6940.693507][ T72] net_rx_action+0x495/0xbe0 [ 6940.693507][ T72] __do_softirq+0x1b5/0x7f6 [ 6940.693507][ T72] [ 6940.695404][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6940.695404][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.695404][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.695404][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.695404][ T72] ip6_route_add+0x1c/0x140 [ 6940.695404][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6940.695404][ T72] inet6_addr_add+0x4f8/0xa40 [ 6940.695404][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.695404][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.695404][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.695404][ T72] netlink_unicast+0x449/0x710 [ 6940.695404][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.695404][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.695404][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.695404][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.695404][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.695404][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.695404][ T72] [ 6940.697625][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6940.697625][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.697625][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.697625][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.697625][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6940.697625][ T72] ipv6_add_addr+0x411/0x2000 [ 6940.697625][ T72] inet6_addr_add+0x30e/0xa40 [ 6940.697625][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.697625][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.697625][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.697625][ T72] netlink_unicast+0x449/0x710 [ 6940.697625][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.697625][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.697625][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.697625][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.697625][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.697625][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.697625][ T72] [ 6940.699848][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6940.699848][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.699848][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.699848][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.699848][ T72] ip6_route_add+0x1c/0x140 [ 6940.699848][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6940.699848][ T72] addrconf_add_dev+0xe2/0x170 [ 6940.699848][ T72] inet6_addr_add+0x12f/0xa40 [ 6940.699848][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.699848][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.699848][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.699848][ T72] netlink_unicast+0x449/0x710 [ 6940.699848][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.699848][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.699848][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.699848][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.699848][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.699848][ T72] [ 6940.702124][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6940.702124][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6940.702124][ T72] ipv6_find_idev+0x102/0x170 [ 6940.702124][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6940.702124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.702124][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.702124][ T72] netlink_unicast+0x449/0x710 [ 6940.702124][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.702124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.702124][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.702124][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.702124][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.702124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.702124][ T72] [ 6940.703852][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6940.703852][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6940.703852][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6940.703852][ T72] ipv6_find_idev+0x102/0x170 [ 6940.703852][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6940.703852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.703852][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.703852][ T72] netlink_unicast+0x449/0x710 [ 6940.703852][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.703852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.703852][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.703852][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.703852][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.703852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.703852][ T72] [ 6940.705748][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6940.706543][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6940.706543][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.706543][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.706543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.706543][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6940.706543][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6940.706543][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6940.706543][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6940.706543][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6940.706543][ T72] addrconf_dad_begin+0x310/0x670 [ 6940.706543][ T72] addrconf_dad_work+0x10b/0xab0 [ 6940.706543][ T72] process_one_work+0x84d/0x18a0 [ 6940.706543][ T72] worker_thread+0x587/0xd30 [ 6940.706543][ T72] kthread+0x28a/0x350 [ 6940.706543][ T72] ret_from_fork+0x31/0x70 [ 6940.706543][ T72] ret_from_fork_asm+0x1a/0x30 [ 6940.706543][ T72] [ 6940.708498][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6940.708498][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.708498][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.708498][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.708498][ T72] ip6_route_add+0x1c/0x140 [ 6940.708498][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6940.708498][ T72] inet6_addr_add+0x4f8/0xa40 [ 6940.708498][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.708498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.708498][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.708498][ T72] netlink_unicast+0x449/0x710 [ 6940.708498][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.708498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.708498][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.708498][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.708498][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.708498][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.708498][ T72] [ 6940.710582][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6940.710582][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.710582][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.710582][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.710582][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6940.710582][ T72] ipv6_add_addr+0x411/0x2000 [ 6940.710582][ T72] inet6_addr_add+0x30e/0xa40 [ 6940.710582][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.710582][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.710582][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.710582][ T72] netlink_unicast+0x449/0x710 [ 6940.710582][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.710582][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.710582][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.710582][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.710582][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.710582][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.710582][ T72] [ 6940.712827][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6940.712827][ T72] netdev_get_by_index+0x5e/0x80 [ 6940.712827][ T72] fib6_nh_init+0x3d8/0x1580 [ 6940.712827][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6940.712827][ T72] ip6_route_add+0x1c/0x140 [ 6940.712827][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6940.712827][ T72] addrconf_add_dev+0xe2/0x170 [ 6940.712827][ T72] inet6_addr_add+0x12f/0xa40 [ 6940.712827][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6940.712827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.712827][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.712827][ T72] netlink_unicast+0x449/0x710 [ 6940.712827][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.712827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.712827][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.712827][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.712827][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.712827][ T72] [ 6940.715142][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6940.715142][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6940.715142][ T72] ipv6_find_idev+0x102/0x170 [ 6940.715142][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6940.715142][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.715142][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.715142][ T72] netlink_unicast+0x449/0x710 [ 6940.715142][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.715142][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.715142][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.715142][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.715142][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.715142][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.715142][ T72] [ 6940.716894][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6940.716894][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6940.716894][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6940.716894][ T72] ipv6_find_idev+0x102/0x170 [ 6940.716894][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6940.716894][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6940.716894][ T72] netlink_rcv_skb+0x130/0x360 [ 6940.716894][ T72] netlink_unicast+0x449/0x710 [ 6940.716894][ T72] netlink_sendmsg+0x723/0xbe0 [ 6940.716894][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6940.716894][ T72] ___sys_sendmsg+0xee/0x170 [ 6940.716894][ T72] __sys_sendmsg+0xcd/0x170 [ 6940.716894][ T72] do_syscall_64+0xc6/0x1e0 [ 6940.716894][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6940.716894][ T72] [ 6950.960914][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6950.961360][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6950.961360][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6950.961360][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6950.961360][ T72] fib6_nh_init+0xa22/0x1580 [ 6950.961360][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.961360][ T72] ip6_route_add+0x1c/0x140 [ 6950.961360][ T72] inet6_rtm_newroute+0x104/0x110 [ 6950.961360][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.961360][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.961360][ T72] netlink_unicast+0x449/0x710 [ 6950.961360][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.961360][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.961360][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.961360][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.961360][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.961360][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.961360][ T72] [ 6950.963140][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6950.963140][ T72] dst_init+0x84/0x4a0 [ 6950.963140][ T72] dst_alloc+0x97/0x150 [ 6950.963140][ T72] ip6_dst_alloc+0x23/0x90 [ 6950.963140][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6950.963140][ T72] ip6_pol_route+0x56f/0x840 [ 6950.963140][ T72] fib6_rule_lookup+0x456/0x630 [ 6950.963140][ T72] ip6_route_input+0x59c/0xa50 [ 6950.963140][ T72] ipv6_rcv+0x397/0x810 [ 6950.963140][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6950.963140][ T72] process_backlog+0x101/0x620 [ 6950.963140][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6950.963140][ T72] net_rx_action+0x495/0xbe0 [ 6950.963140][ T72] __do_softirq+0x1b5/0x7f6 [ 6950.963140][ T72] [ 6950.964678][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6950.964678][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.964678][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.964678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.964678][ T72] ip6_route_add+0x1c/0x140 [ 6950.964678][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6950.964678][ T72] inet6_addr_add+0x4f8/0xa40 [ 6950.964678][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.964678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.964678][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.964678][ T72] netlink_unicast+0x449/0x710 [ 6950.964678][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.964678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.964678][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.964678][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.964678][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.964678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.964678][ T72] [ 6950.966626][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6950.966626][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.966626][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.966626][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.966626][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6950.966626][ T72] ipv6_add_addr+0x411/0x2000 [ 6950.966626][ T72] inet6_addr_add+0x30e/0xa40 [ 6950.966626][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.966626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.966626][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.966626][ T72] netlink_unicast+0x449/0x710 [ 6950.966626][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.966626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.966626][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.966626][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.966626][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.966626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.966626][ T72] [ 6950.968545][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6950.968545][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.968545][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.968545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.968545][ T72] ip6_route_add+0x1c/0x140 [ 6950.968545][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6950.968545][ T72] addrconf_add_dev+0xe2/0x170 [ 6950.968545][ T72] inet6_addr_add+0x12f/0xa40 [ 6950.968545][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.968545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.968545][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.968545][ T72] netlink_unicast+0x449/0x710 [ 6950.968545][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.968545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.968545][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.968545][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.968545][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.968545][ T72] [ 6950.970436][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6950.970436][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6950.970436][ T72] ipv6_find_idev+0x102/0x170 [ 6950.970436][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6950.970436][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.970436][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.970436][ T72] netlink_unicast+0x449/0x710 [ 6950.970436][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.970436][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.970436][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.970436][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.970436][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.970436][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.970436][ T72] [ 6950.971945][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6950.971945][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6950.971945][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6950.971945][ T72] ipv6_find_idev+0x102/0x170 [ 6950.971945][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6950.971945][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.971945][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.971945][ T72] netlink_unicast+0x449/0x710 [ 6950.971945][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.971945][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.971945][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.971945][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.971945][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.971945][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.971945][ T72] [ 6950.973650][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6950.973936][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6950.973936][ T72] dst_init+0x84/0x4a0 [ 6950.973936][ T72] dst_alloc+0x97/0x150 [ 6950.973936][ T72] ip6_dst_alloc+0x23/0x90 [ 6950.973936][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6950.973936][ T72] ip6_pol_route+0x56f/0x840 [ 6950.973936][ T72] fib6_rule_lookup+0x456/0x630 [ 6950.973936][ T72] ip6_route_input+0x59c/0xa50 [ 6950.973936][ T72] ipv6_rcv+0x397/0x810 [ 6950.973936][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6950.973936][ T72] process_backlog+0x101/0x620 [ 6950.973936][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6950.973936][ T72] net_rx_action+0x495/0xbe0 [ 6950.973936][ T72] __do_softirq+0x1b5/0x7f6 [ 6950.973936][ T72] [ 6950.975581][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6950.975581][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.975581][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.975581][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.975581][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6950.975581][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6950.975581][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6950.975581][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6950.975581][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6950.975581][ T72] addrconf_dad_begin+0x310/0x670 [ 6950.975581][ T72] addrconf_dad_work+0x10b/0xab0 [ 6950.975581][ T72] process_one_work+0x84d/0x18a0 [ 6950.975581][ T72] worker_thread+0x587/0xd30 [ 6950.975581][ T72] kthread+0x28a/0x350 [ 6950.975581][ T72] ret_from_fork+0x31/0x70 [ 6950.975581][ T72] ret_from_fork_asm+0x1a/0x30 [ 6950.975581][ T72] [ 6950.977494][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6950.977494][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.977494][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.977494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.977494][ T72] ip6_route_add+0x1c/0x140 [ 6950.977494][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6950.977494][ T72] inet6_addr_add+0x4f8/0xa40 [ 6950.977494][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.977494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.977494][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.977494][ T72] netlink_unicast+0x449/0x710 [ 6950.977494][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.977494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.977494][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.977494][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.977494][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.977494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.977494][ T72] [ 6950.979451][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6950.979451][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.979451][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.979451][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.979451][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6950.979451][ T72] ipv6_add_addr+0x411/0x2000 [ 6950.979451][ T72] inet6_addr_add+0x30e/0xa40 [ 6950.979451][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.979451][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.979451][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.979451][ T72] netlink_unicast+0x449/0x710 [ 6950.979451][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.979451][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.979451][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.979451][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.979451][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.979451][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.979451][ T72] [ 6950.981383][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6950.981383][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.981383][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.981383][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.981383][ T72] ip6_route_add+0x1c/0x140 [ 6950.981383][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6950.981383][ T72] addrconf_add_dev+0xe2/0x170 [ 6950.981383][ T72] inet6_addr_add+0x12f/0xa40 [ 6950.981383][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.981383][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.981383][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.981383][ T72] netlink_unicast+0x449/0x710 [ 6950.981383][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.981383][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.981383][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.981383][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.981383][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.981383][ T72] [ 6950.983229][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6950.983229][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6950.983229][ T72] ipv6_find_idev+0x102/0x170 [ 6950.983229][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6950.983229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.983229][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.983229][ T72] netlink_unicast+0x449/0x710 [ 6950.983229][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.983229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.983229][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.983229][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.983229][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.983229][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.983229][ T72] [ 6950.984734][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6950.984734][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6950.984734][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6950.984734][ T72] ipv6_find_idev+0x102/0x170 [ 6950.984734][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6950.984734][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.984734][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.984734][ T72] netlink_unicast+0x449/0x710 [ 6950.984734][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.984734][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.984734][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.984734][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.984734][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.984734][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.984734][ T72] [ 6950.987151][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6950.987419][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6950.987419][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6950.987419][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6950.987419][ T72] fib6_nh_init+0xa22/0x1580 [ 6950.987419][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.987419][ T72] ip6_route_add+0x1c/0x140 [ 6950.987419][ T72] inet6_rtm_newroute+0x104/0x110 [ 6950.987419][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.987419][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.987419][ T72] netlink_unicast+0x449/0x710 [ 6950.987419][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.987419][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.987419][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.987419][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.987419][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.987419][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.987419][ T72] [ 6950.990148][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6950.990148][ T72] dst_init+0x84/0x4a0 [ 6950.990148][ T72] dst_alloc+0x97/0x150 [ 6950.990148][ T72] ip6_dst_alloc+0x23/0x90 [ 6950.990148][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6950.990148][ T72] ip6_pol_route+0x56f/0x840 [ 6950.990148][ T72] fib6_rule_lookup+0x456/0x630 [ 6950.990148][ T72] ip6_route_input+0x59c/0xa50 [ 6950.990148][ T72] ipv6_rcv+0x397/0x810 [ 6950.990148][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6950.990148][ T72] process_backlog+0x101/0x620 [ 6950.990148][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6950.990148][ T72] net_rx_action+0x495/0xbe0 [ 6950.990148][ T72] __do_softirq+0x1b5/0x7f6 [ 6950.990148][ T72] [ 6950.991977][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6950.991977][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.991977][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.991977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.991977][ T72] ip6_route_add+0x1c/0x140 [ 6950.991977][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6950.991977][ T72] inet6_addr_add+0x4f8/0xa40 [ 6950.991977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.991977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.991977][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.991977][ T72] netlink_unicast+0x449/0x710 [ 6950.991977][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.991977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.991977][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.991977][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.991977][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.991977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.991977][ T72] [ 6950.994159][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6950.994159][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.994159][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.994159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.994159][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6950.994159][ T72] ipv6_add_addr+0x411/0x2000 [ 6950.994159][ T72] inet6_addr_add+0x30e/0xa40 [ 6950.994159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.994159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.994159][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.994159][ T72] netlink_unicast+0x449/0x710 [ 6950.994159][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.994159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.994159][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.994159][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.994159][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.994159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.994159][ T72] [ 6950.996350][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6950.996350][ T72] netdev_get_by_index+0x5e/0x80 [ 6950.996350][ T72] fib6_nh_init+0x3d8/0x1580 [ 6950.996350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6950.996350][ T72] ip6_route_add+0x1c/0x140 [ 6950.996350][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6950.996350][ T72] addrconf_add_dev+0xe2/0x170 [ 6950.996350][ T72] inet6_addr_add+0x12f/0xa40 [ 6950.996350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6950.996350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.996350][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.996350][ T72] netlink_unicast+0x449/0x710 [ 6950.996350][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.996350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.996350][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.996350][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.996350][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.996350][ T72] [ 6950.998563][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6950.998563][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6950.998563][ T72] ipv6_find_idev+0x102/0x170 [ 6950.998563][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6950.998563][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6950.998563][ T72] netlink_rcv_skb+0x130/0x360 [ 6950.998563][ T72] netlink_unicast+0x449/0x710 [ 6950.998563][ T72] netlink_sendmsg+0x723/0xbe0 [ 6950.998563][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6950.998563][ T72] ___sys_sendmsg+0xee/0x170 [ 6950.998563][ T72] __sys_sendmsg+0xcd/0x170 [ 6950.998563][ T72] do_syscall_64+0xc6/0x1e0 [ 6950.998563][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6950.998563][ T72] [ 6951.000238][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6951.000238][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6951.000238][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6951.000238][ T72] ipv6_find_idev+0x102/0x170 [ 6951.000238][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.000238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.000238][ T72] netlink_rcv_skb+0x130/0x360 [ 6951.000238][ T72] netlink_unicast+0x449/0x710 [ 6951.000238][ T72] netlink_sendmsg+0x723/0xbe0 [ 6951.000238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6951.000238][ T72] ___sys_sendmsg+0xee/0x170 [ 6951.000238][ T72] __sys_sendmsg+0xcd/0x170 [ 6951.000238][ T72] do_syscall_64+0xc6/0x1e0 [ 6951.000238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.000238][ T72] [ 6951.002065][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6951.002398][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6951.002398][ T72] netdev_get_by_index+0x5e/0x80 [ 6951.002398][ T72] fib6_nh_init+0x3d8/0x1580 [ 6951.002398][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6951.002398][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6951.002398][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6951.002398][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6951.002398][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6951.002398][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6951.002398][ T72] addrconf_dad_begin+0x310/0x670 [ 6951.002398][ T72] addrconf_dad_work+0x10b/0xab0 [ 6951.002398][ T72] process_one_work+0x84d/0x18a0 [ 6951.002398][ T72] worker_thread+0x587/0xd30 [ 6951.002398][ T72] kthread+0x28a/0x350 [ 6951.002398][ T72] ret_from_fork+0x31/0x70 [ 6951.002398][ T72] ret_from_fork_asm+0x1a/0x30 [ 6951.002398][ T72] [ 6951.004507][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6951.004507][ T72] netdev_get_by_index+0x5e/0x80 [ 6951.004507][ T72] fib6_nh_init+0x3d8/0x1580 [ 6951.004507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6951.004507][ T72] ip6_route_add+0x1c/0x140 [ 6951.004507][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6951.004507][ T72] inet6_addr_add+0x4f8/0xa40 [ 6951.004507][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.004507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.004507][ T72] netlink_rcv_skb+0x130/0x360 [ 6951.004507][ T72] netlink_unicast+0x449/0x710 [ 6951.004507][ T72] netlink_sendmsg+0x723/0xbe0 [ 6951.004507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6951.004507][ T72] ___sys_sendmsg+0xee/0x170 [ 6951.004507][ T72] __sys_sendmsg+0xcd/0x170 [ 6951.004507][ T72] do_syscall_64+0xc6/0x1e0 [ 6951.004507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.004507][ T72] [ 6951.006762][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6951.006762][ T72] netdev_get_by_index+0x5e/0x80 [ 6951.006762][ T72] fib6_nh_init+0x3d8/0x1580 [ 6951.006762][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6951.006762][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6951.006762][ T72] ipv6_add_addr+0x411/0x2000 [ 6951.006762][ T72] inet6_addr_add+0x30e/0xa40 [ 6951.006762][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.006762][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.006762][ T72] netlink_rcv_skb+0x130/0x360 [ 6951.006762][ T72] netlink_unicast+0x449/0x710 [ 6951.006762][ T72] netlink_sendmsg+0x723/0xbe0 [ 6951.006762][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6951.006762][ T72] ___sys_sendmsg+0xee/0x170 [ 6951.006762][ T72] __sys_sendmsg+0xcd/0x170 [ 6951.006762][ T72] do_syscall_64+0xc6/0x1e0 [ 6951.006762][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.006762][ T72] [ 6951.009054][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6951.009054][ T72] netdev_get_by_index+0x5e/0x80 [ 6951.009054][ T72] fib6_nh_init+0x3d8/0x1580 [ 6951.009054][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6951.009054][ T72] ip6_route_add+0x1c/0x140 [ 6951.009054][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6951.009054][ T72] addrconf_add_dev+0xe2/0x170 [ 6951.009054][ T72] inet6_addr_add+0x12f/0xa40 [ 6951.009054][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.009054][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.009054][ T72] netlink_rcv_skb+0x130/0x360 [ 6951.009054][ T72] netlink_unicast+0x449/0x710 [ 6951.009054][ T72] netlink_sendmsg+0x723/0xbe0 [ 6951.009054][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6951.009054][ T72] ___sys_sendmsg+0xee/0x170 [ 6951.009054][ T72] __sys_sendmsg+0xcd/0x170 [ 6951.009054][ T72] do_syscall_64+0xc6/0x1e0 [ 6951.009054][ T72] [ 6951.011202][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6951.011202][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6951.011202][ T72] ipv6_find_idev+0x102/0x170 [ 6951.011202][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.011202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.011202][ T72] netlink_rcv_skb+0x130/0x360 [ 6951.011202][ T72] netlink_unicast+0x449/0x710 [ 6951.011202][ T72] netlink_sendmsg+0x723/0xbe0 [ 6951.011202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6951.011202][ T72] ___sys_sendmsg+0xee/0x170 [ 6951.011202][ T72] __sys_sendmsg+0xcd/0x170 [ 6951.011202][ T72] do_syscall_64+0xc6/0x1e0 [ 6951.011202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.011202][ T72] [ 6951.012883][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6951.012883][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6951.012883][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6951.012883][ T72] ipv6_find_idev+0x102/0x170 [ 6951.012883][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.012883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.012883][ T72] netlink_rcv_skb+0x130/0x360 [ 6951.012883][ T72] netlink_unicast+0x449/0x710 [ 6951.012883][ T72] netlink_sendmsg+0x723/0xbe0 [ 6951.012883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6951.012883][ T72] ___sys_sendmsg+0xee/0x170 [ 6951.012883][ T72] __sys_sendmsg+0xcd/0x170 [ 6951.012883][ T72] do_syscall_64+0xc6/0x1e0 [ 6951.012883][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.012883][ T72] [ 6961.256901][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6961.257385][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6961.257385][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6961.257385][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6961.257385][ T72] fib6_nh_init+0xa22/0x1580 [ 6961.257385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.257385][ T72] ip6_route_add+0x1c/0x140 [ 6961.257385][ T72] inet6_rtm_newroute+0x104/0x110 [ 6961.257385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.257385][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.257385][ T72] netlink_unicast+0x449/0x710 [ 6961.257385][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.257385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.257385][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.257385][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.257385][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.257385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.257385][ T72] [ 6961.259270][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6961.259270][ T72] dst_init+0x84/0x4a0 [ 6961.259270][ T72] dst_alloc+0x97/0x150 [ 6961.259270][ T72] ip6_dst_alloc+0x23/0x90 [ 6961.259270][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6961.259270][ T72] ip6_pol_route+0x56f/0x840 [ 6961.259270][ T72] fib6_rule_lookup+0x456/0x630 [ 6961.259270][ T72] ip6_route_input+0x59c/0xa50 [ 6961.259270][ T72] ipv6_rcv+0x397/0x810 [ 6961.259270][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6961.259270][ T72] process_backlog+0x101/0x620 [ 6961.259270][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6961.259270][ T72] net_rx_action+0x495/0xbe0 [ 6961.259270][ T72] __do_softirq+0x1b5/0x7f6 [ 6961.259270][ T72] [ 6961.260947][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6961.260947][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.260947][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.260947][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.260947][ T72] ip6_route_add+0x1c/0x140 [ 6961.260947][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6961.260947][ T72] inet6_addr_add+0x4f8/0xa40 [ 6961.260947][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.260947][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.260947][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.260947][ T72] netlink_unicast+0x449/0x710 [ 6961.260947][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.260947][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.260947][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.260947][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.260947][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.260947][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.260947][ T72] [ 6961.262915][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6961.262915][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.262915][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.262915][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.262915][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6961.262915][ T72] ipv6_add_addr+0x411/0x2000 [ 6961.262915][ T72] inet6_addr_add+0x30e/0xa40 [ 6961.262915][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.262915][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.262915][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.262915][ T72] netlink_unicast+0x449/0x710 [ 6961.262915][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.262915][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.262915][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.262915][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.262915][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.262915][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.262915][ T72] [ 6961.264879][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6961.264879][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.264879][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.264879][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.264879][ T72] ip6_route_add+0x1c/0x140 [ 6961.264879][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6961.264879][ T72] addrconf_add_dev+0xe2/0x170 [ 6961.264879][ T72] inet6_addr_add+0x12f/0xa40 [ 6961.264879][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.264879][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.264879][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.264879][ T72] netlink_unicast+0x449/0x710 [ 6961.264879][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.264879][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.264879][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.264879][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.264879][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.264879][ T72] [ 6961.266862][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6961.266862][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6961.266862][ T72] ipv6_find_idev+0x102/0x170 [ 6961.266862][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6961.266862][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.266862][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.266862][ T72] netlink_unicast+0x449/0x710 [ 6961.266862][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.266862][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.266862][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.266862][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.266862][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.266862][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.266862][ T72] [ 6961.268415][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6961.268415][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6961.268415][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6961.268415][ T72] ipv6_find_idev+0x102/0x170 [ 6961.268415][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6961.268415][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.268415][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.268415][ T72] netlink_unicast+0x449/0x710 [ 6961.268415][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.268415][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.268415][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.268415][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.268415][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.268415][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.268415][ T72] [ 6961.270116][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6961.270405][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6961.270405][ T72] dst_init+0x84/0x4a0 [ 6961.270405][ T72] dst_alloc+0x97/0x150 [ 6961.270405][ T72] ip6_dst_alloc+0x23/0x90 [ 6961.270405][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6961.270405][ T72] ip6_pol_route+0x56f/0x840 [ 6961.270405][ T72] fib6_rule_lookup+0x456/0x630 [ 6961.270405][ T72] ip6_route_input+0x59c/0xa50 [ 6961.270405][ T72] ipv6_rcv+0x397/0x810 [ 6961.270405][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6961.270405][ T72] process_backlog+0x101/0x620 [ 6961.270405][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6961.270405][ T72] net_rx_action+0x495/0xbe0 [ 6961.270405][ T72] __do_softirq+0x1b5/0x7f6 [ 6961.270405][ T72] [ 6961.272058][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6961.272058][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.272058][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.272058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.272058][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6961.272058][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6961.272058][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6961.272058][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6961.272058][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6961.272058][ T72] addrconf_dad_begin+0x310/0x670 [ 6961.272058][ T72] addrconf_dad_work+0x10b/0xab0 [ 6961.272058][ T72] process_one_work+0x84d/0x18a0 [ 6961.272058][ T72] worker_thread+0x587/0xd30 [ 6961.272058][ T72] kthread+0x28a/0x350 [ 6961.272058][ T72] ret_from_fork+0x31/0x70 [ 6961.272058][ T72] ret_from_fork_asm+0x1a/0x30 [ 6961.272058][ T72] [ 6961.273977][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6961.273977][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.273977][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.273977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.273977][ T72] ip6_route_add+0x1c/0x140 [ 6961.273977][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6961.273977][ T72] inet6_addr_add+0x4f8/0xa40 [ 6961.273977][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.273977][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.273977][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.273977][ T72] netlink_unicast+0x449/0x710 [ 6961.273977][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.273977][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.273977][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.273977][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.273977][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.273977][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.273977][ T72] [ 6961.275942][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6961.275942][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.275942][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.275942][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.275942][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6961.275942][ T72] ipv6_add_addr+0x411/0x2000 [ 6961.275942][ T72] inet6_addr_add+0x30e/0xa40 [ 6961.275942][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.275942][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.275942][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.275942][ T72] netlink_unicast+0x449/0x710 [ 6961.275942][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.275942][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.275942][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.275942][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.275942][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.275942][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.275942][ T72] [ 6961.277958][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6961.277958][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.277958][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.277958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.277958][ T72] ip6_route_add+0x1c/0x140 [ 6961.277958][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6961.277958][ T72] addrconf_add_dev+0xe2/0x170 [ 6961.277958][ T72] inet6_addr_add+0x12f/0xa40 [ 6961.277958][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.277958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.277958][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.277958][ T72] netlink_unicast+0x449/0x710 [ 6961.277958][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.277958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.277958][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.277958][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.277958][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.277958][ T72] [ 6961.279953][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6961.279953][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6961.279953][ T72] ipv6_find_idev+0x102/0x170 [ 6961.279953][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6961.279953][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.279953][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.279953][ T72] netlink_unicast+0x449/0x710 [ 6961.279953][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.279953][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.279953][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.279953][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.279953][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.279953][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.279953][ T72] [ 6961.281477][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6961.281477][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6961.281477][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6961.281477][ T72] ipv6_find_idev+0x102/0x170 [ 6961.281477][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6961.281477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.281477][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.281477][ T72] netlink_unicast+0x449/0x710 [ 6961.281477][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.281477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.281477][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.281477][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.281477][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.281477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.281477][ T72] [ 6961.283306][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6961.283579][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6961.283579][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6961.283579][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6961.283579][ T72] fib6_nh_init+0xa22/0x1580 [ 6961.283579][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.283579][ T72] ip6_route_add+0x1c/0x140 [ 6961.283579][ T72] inet6_rtm_newroute+0x104/0x110 [ 6961.283579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.283579][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.283579][ T72] netlink_unicast+0x449/0x710 [ 6961.283579][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.283579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.283579][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.283579][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.283579][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.283579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.283579][ T72] [ 6961.285732][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6961.285732][ T72] dst_init+0x84/0x4a0 [ 6961.285732][ T72] dst_alloc+0x97/0x150 [ 6961.285732][ T72] ip6_dst_alloc+0x23/0x90 [ 6961.285732][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6961.285732][ T72] ip6_pol_route+0x56f/0x840 [ 6961.285732][ T72] fib6_rule_lookup+0x456/0x630 [ 6961.285732][ T72] ip6_route_input+0x59c/0xa50 [ 6961.285732][ T72] ipv6_rcv+0x397/0x810 [ 6961.285732][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6961.285732][ T72] process_backlog+0x101/0x620 [ 6961.285732][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6961.285732][ T72] net_rx_action+0x495/0xbe0 [ 6961.285732][ T72] __do_softirq+0x1b5/0x7f6 [ 6961.285732][ T72] [ 6961.287628][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6961.287628][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.287628][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.287628][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.287628][ T72] ip6_route_add+0x1c/0x140 [ 6961.287628][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6961.287628][ T72] inet6_addr_add+0x4f8/0xa40 [ 6961.287628][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.287628][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.287628][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.287628][ T72] netlink_unicast+0x449/0x710 [ 6961.287628][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.287628][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.287628][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.287628][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.287628][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.287628][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.287628][ T72] [ 6961.289790][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6961.289790][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.289790][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.289790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.289790][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6961.289790][ T72] ipv6_add_addr+0x411/0x2000 [ 6961.289790][ T72] inet6_addr_add+0x30e/0xa40 [ 6961.289790][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.289790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.289790][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.289790][ T72] netlink_unicast+0x449/0x710 [ 6961.289790][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.289790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.289790][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.289790][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.289790][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.289790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.289790][ T72] [ 6961.292052][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6961.292052][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.292052][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.292052][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.292052][ T72] ip6_route_add+0x1c/0x140 [ 6961.292052][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6961.292052][ T72] addrconf_add_dev+0xe2/0x170 [ 6961.292052][ T72] inet6_addr_add+0x12f/0xa40 [ 6961.292052][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.292052][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.292052][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.292052][ T72] netlink_unicast+0x449/0x710 [ 6961.292052][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.292052][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.292052][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.292052][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.292052][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.292052][ T72] [ 6961.294332][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6961.294332][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6961.294332][ T72] ipv6_find_idev+0x102/0x170 [ 6961.294332][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6961.294332][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.294332][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.294332][ T72] netlink_unicast+0x449/0x710 [ 6961.294332][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.294332][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.294332][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.294332][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.294332][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.294332][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.294332][ T72] [ 6961.296053][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6961.296053][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6961.296053][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6961.296053][ T72] ipv6_find_idev+0x102/0x170 [ 6961.296053][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6961.296053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.296053][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.296053][ T72] netlink_unicast+0x449/0x710 [ 6961.296053][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.296053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.296053][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.296053][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.296053][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.296053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.296053][ T72] [ 6961.297922][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6961.298253][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6961.298253][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.298253][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.298253][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.298253][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6961.298253][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6961.298253][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6961.298253][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6961.298253][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6961.298253][ T72] addrconf_dad_begin+0x310/0x670 [ 6961.298253][ T72] addrconf_dad_work+0x10b/0xab0 [ 6961.298253][ T72] process_one_work+0x84d/0x18a0 [ 6961.298253][ T72] worker_thread+0x587/0xd30 [ 6961.298253][ T72] kthread+0x28a/0x350 [ 6961.298253][ T72] ret_from_fork+0x31/0x70 [ 6961.298253][ T72] ret_from_fork_asm+0x1a/0x30 [ 6961.298253][ T72] [ 6961.300361][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6961.300361][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.300361][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.300361][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.300361][ T72] ip6_route_add+0x1c/0x140 [ 6961.300361][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6961.300361][ T72] inet6_addr_add+0x4f8/0xa40 [ 6961.300361][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.300361][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.300361][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.300361][ T72] netlink_unicast+0x449/0x710 [ 6961.300361][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.300361][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.300361][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.300361][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.300361][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.300361][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.300361][ T72] [ 6961.302613][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6961.302613][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.302613][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.302613][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.302613][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6961.302613][ T72] ipv6_add_addr+0x411/0x2000 [ 6961.302613][ T72] inet6_addr_add+0x30e/0xa40 [ 6961.302613][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.302613][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.302613][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.302613][ T72] netlink_unicast+0x449/0x710 [ 6961.302613][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.302613][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.302613][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.302613][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.302613][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.302613][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.302613][ T72] [ 6961.304883][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6961.304883][ T72] netdev_get_by_index+0x5e/0x80 [ 6961.304883][ T72] fib6_nh_init+0x3d8/0x1580 [ 6961.304883][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6961.304883][ T72] ip6_route_add+0x1c/0x140 [ 6961.304883][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6961.304883][ T72] addrconf_add_dev+0xe2/0x170 [ 6961.304883][ T72] inet6_addr_add+0x12f/0xa40 [ 6961.304883][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6961.304883][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.304883][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.304883][ T72] netlink_unicast+0x449/0x710 [ 6961.304883][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.304883][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.304883][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.304883][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.304883][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.304883][ T72] [ 6961.307095][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6961.307095][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6961.307095][ T72] ipv6_find_idev+0x102/0x170 [ 6961.307095][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6961.307095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.307095][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.307095][ T72] netlink_unicast+0x449/0x710 [ 6961.307095][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.307095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.307095][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.307095][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.307095][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.307095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.307095][ T72] [ 6961.308827][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6961.308827][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6961.308827][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6961.308827][ T72] ipv6_find_idev+0x102/0x170 [ 6961.308827][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6961.308827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6961.308827][ T72] netlink_rcv_skb+0x130/0x360 [ 6961.308827][ T72] netlink_unicast+0x449/0x710 [ 6961.308827][ T72] netlink_sendmsg+0x723/0xbe0 [ 6961.308827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6961.308827][ T72] ___sys_sendmsg+0xee/0x170 [ 6961.308827][ T72] __sys_sendmsg+0xcd/0x170 [ 6961.308827][ T72] do_syscall_64+0xc6/0x1e0 [ 6961.308827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6961.308827][ T72] [ 6971.384972][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6971.385591][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6971.385591][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6971.385591][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6971.385591][ T72] fib6_nh_init+0xa22/0x1580 [ 6971.385591][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.385591][ T72] ip6_route_add+0x1c/0x140 [ 6971.385591][ T72] inet6_rtm_newroute+0x104/0x110 [ 6971.385591][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.385591][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.385591][ T72] netlink_unicast+0x449/0x710 [ 6971.385591][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.385591][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.385591][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.385591][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.385591][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.385591][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.385591][ T72] [ 6971.387458][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6971.387458][ T72] dst_init+0x84/0x4a0 [ 6971.387458][ T72] dst_alloc+0x97/0x150 [ 6971.387458][ T72] ip6_dst_alloc+0x23/0x90 [ 6971.387458][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6971.387458][ T72] ip6_pol_route+0x56f/0x840 [ 6971.387458][ T72] fib6_rule_lookup+0x456/0x630 [ 6971.387458][ T72] ip6_route_input+0x59c/0xa50 [ 6971.387458][ T72] ipv6_rcv+0x397/0x810 [ 6971.387458][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6971.387458][ T72] process_backlog+0x101/0x620 [ 6971.387458][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6971.387458][ T72] net_rx_action+0x495/0xbe0 [ 6971.387458][ T72] __do_softirq+0x1b5/0x7f6 [ 6971.387458][ T72] [ 6971.389119][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6971.389119][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.389119][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.389119][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.389119][ T72] ip6_route_add+0x1c/0x140 [ 6971.389119][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6971.389119][ T72] inet6_addr_add+0x4f8/0xa40 [ 6971.389119][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.389119][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.389119][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.389119][ T72] netlink_unicast+0x449/0x710 [ 6971.389119][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.389119][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.389119][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.389119][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.389119][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.389119][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.389119][ T72] [ 6971.391105][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6971.391105][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.391105][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.391105][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.391105][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6971.391105][ T72] ipv6_add_addr+0x411/0x2000 [ 6971.391105][ T72] inet6_addr_add+0x30e/0xa40 [ 6971.391105][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.391105][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.391105][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.391105][ T72] netlink_unicast+0x449/0x710 [ 6971.391105][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.391105][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.391105][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.391105][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.391105][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.391105][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.391105][ T72] [ 6971.393092][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6971.393092][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.393092][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.393092][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.393092][ T72] ip6_route_add+0x1c/0x140 [ 6971.393092][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6971.393092][ T72] addrconf_add_dev+0xe2/0x170 [ 6971.393092][ T72] inet6_addr_add+0x12f/0xa40 [ 6971.393092][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.393092][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.393092][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.393092][ T72] netlink_unicast+0x449/0x710 [ 6971.393092][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.393092][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.393092][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.393092][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.393092][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.393092][ T72] [ 6971.395016][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6971.395016][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6971.395016][ T72] ipv6_find_idev+0x102/0x170 [ 6971.395016][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6971.395016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.395016][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.395016][ T72] netlink_unicast+0x449/0x710 [ 6971.395016][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.395016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.395016][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.395016][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.395016][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.395016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.395016][ T72] [ 6971.396544][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6971.396544][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6971.396544][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6971.396544][ T72] ipv6_find_idev+0x102/0x170 [ 6971.396544][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6971.396544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.396544][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.396544][ T72] netlink_unicast+0x449/0x710 [ 6971.396544][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.396544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.396544][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.396544][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.396544][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.396544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.396544][ T72] [ 6971.398219][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6971.398492][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6971.398492][ T72] dst_init+0x84/0x4a0 [ 6971.398492][ T72] dst_alloc+0x97/0x150 [ 6971.398492][ T72] ip6_dst_alloc+0x23/0x90 [ 6971.398492][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6971.398492][ T72] ip6_pol_route+0x56f/0x840 [ 6971.398492][ T72] fib6_rule_lookup+0x456/0x630 [ 6971.398492][ T72] ip6_route_input+0x59c/0xa50 [ 6971.398492][ T72] ipv6_rcv+0x397/0x810 [ 6971.398492][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6971.398492][ T72] process_backlog+0x101/0x620 [ 6971.398492][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6971.398492][ T72] net_rx_action+0x495/0xbe0 [ 6971.398492][ T72] __do_softirq+0x1b5/0x7f6 [ 6971.398492][ T72] [ 6971.400085][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6971.400085][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.400085][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.400085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.400085][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6971.400085][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6971.400085][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6971.400085][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6971.400085][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6971.400085][ T72] addrconf_dad_begin+0x310/0x670 [ 6971.400085][ T72] addrconf_dad_work+0x10b/0xab0 [ 6971.400085][ T72] process_one_work+0x84d/0x18a0 [ 6971.400085][ T72] worker_thread+0x587/0xd30 [ 6971.400085][ T72] kthread+0x28a/0x350 [ 6971.400085][ T72] ret_from_fork+0x31/0x70 [ 6971.400085][ T72] ret_from_fork_asm+0x1a/0x30 [ 6971.400085][ T72] [ 6971.401934][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6971.401934][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.401934][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.401934][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.401934][ T72] ip6_route_add+0x1c/0x140 [ 6971.401934][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6971.401934][ T72] inet6_addr_add+0x4f8/0xa40 [ 6971.401934][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.401934][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.401934][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.401934][ T72] netlink_unicast+0x449/0x710 [ 6971.401934][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.401934][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.401934][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.401934][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.401934][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.401934][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.401934][ T72] [ 6971.403906][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6971.403906][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.403906][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.403906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.403906][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6971.403906][ T72] ipv6_add_addr+0x411/0x2000 [ 6971.403906][ T72] inet6_addr_add+0x30e/0xa40 [ 6971.403906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.403906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.403906][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.403906][ T72] netlink_unicast+0x449/0x710 [ 6971.403906][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.403906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.403906][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.403906][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.403906][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.403906][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.403906][ T72] [ 6971.405910][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6971.405910][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.405910][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.405910][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.405910][ T72] ip6_route_add+0x1c/0x140 [ 6971.405910][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6971.405910][ T72] addrconf_add_dev+0xe2/0x170 [ 6971.405910][ T72] inet6_addr_add+0x12f/0xa40 [ 6971.405910][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.405910][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.405910][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.405910][ T72] netlink_unicast+0x449/0x710 [ 6971.405910][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.405910][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.405910][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.405910][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.405910][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.405910][ T72] [ 6971.407850][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6971.407850][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6971.407850][ T72] ipv6_find_idev+0x102/0x170 [ 6971.407850][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6971.407850][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.407850][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.407850][ T72] netlink_unicast+0x449/0x710 [ 6971.407850][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.407850][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.407850][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.407850][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.407850][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.407850][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.407850][ T72] [ 6971.409356][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6971.409356][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6971.409356][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6971.409356][ T72] ipv6_find_idev+0x102/0x170 [ 6971.409356][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6971.409356][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.409356][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.409356][ T72] netlink_unicast+0x449/0x710 [ 6971.409356][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.409356][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.409356][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.409356][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.409356][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.409356][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.409356][ T72] [ 6971.411107][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6971.411453][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6971.411453][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6971.411453][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6971.411453][ T72] fib6_nh_init+0xa22/0x1580 [ 6971.411453][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.411453][ T72] ip6_route_add+0x1c/0x140 [ 6971.411453][ T72] inet6_rtm_newroute+0x104/0x110 [ 6971.411453][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.411453][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.411453][ T72] netlink_unicast+0x449/0x710 [ 6971.411453][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.411453][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.411453][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.411453][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.411453][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.411453][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.411453][ T72] [ 6971.413570][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6971.413570][ T72] dst_init+0x84/0x4a0 [ 6971.413570][ T72] dst_alloc+0x97/0x150 [ 6971.413570][ T72] ip6_dst_alloc+0x23/0x90 [ 6971.413570][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6971.413570][ T72] ip6_pol_route+0x56f/0x840 [ 6971.413570][ T72] fib6_rule_lookup+0x456/0x630 [ 6971.413570][ T72] ip6_route_input+0x59c/0xa50 [ 6971.413570][ T72] ipv6_rcv+0x397/0x810 [ 6971.413570][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6971.413570][ T72] process_backlog+0x101/0x620 [ 6971.413570][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6971.413570][ T72] net_rx_action+0x495/0xbe0 [ 6971.413570][ T72] __do_softirq+0x1b5/0x7f6 [ 6971.413570][ T72] [ 6971.415362][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6971.415362][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.415362][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.415362][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.415362][ T72] ip6_route_add+0x1c/0x140 [ 6971.415362][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6971.415362][ T72] inet6_addr_add+0x4f8/0xa40 [ 6971.415362][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.415362][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.415362][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.415362][ T72] netlink_unicast+0x449/0x710 [ 6971.415362][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.415362][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.415362][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.415362][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.415362][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.415362][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.415362][ T72] [ 6971.417664][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6971.417664][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.417664][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.417664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.417664][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6971.417664][ T72] ipv6_add_addr+0x411/0x2000 [ 6971.417664][ T72] inet6_addr_add+0x30e/0xa40 [ 6971.417664][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.417664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.417664][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.417664][ T72] netlink_unicast+0x449/0x710 [ 6971.417664][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.417664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.417664][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.417664][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.417664][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.417664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.417664][ T72] [ 6971.419897][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6971.419897][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.419897][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.419897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.419897][ T72] ip6_route_add+0x1c/0x140 [ 6971.419897][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6971.419897][ T72] addrconf_add_dev+0xe2/0x170 [ 6971.419897][ T72] inet6_addr_add+0x12f/0xa40 [ 6971.419897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.419897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.419897][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.419897][ T72] netlink_unicast+0x449/0x710 [ 6971.419897][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.419897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.419897][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.419897][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.419897][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.419897][ T72] [ 6971.422143][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6971.422143][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6971.422143][ T72] ipv6_find_idev+0x102/0x170 [ 6971.422143][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6971.422143][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.422143][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.422143][ T72] netlink_unicast+0x449/0x710 [ 6971.422143][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.422143][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.422143][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.422143][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.422143][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.422143][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.422143][ T72] [ 6971.423853][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6971.423853][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6971.423853][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6971.423853][ T72] ipv6_find_idev+0x102/0x170 [ 6971.423853][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6971.423853][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.423853][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.423853][ T72] netlink_unicast+0x449/0x710 [ 6971.423853][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.423853][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.423853][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.423853][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.423853][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.423853][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.423853][ T72] [ 6971.425695][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6971.426421][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6971.426421][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.426421][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.426421][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.426421][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6971.426421][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6971.426421][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6971.426421][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6971.426421][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6971.426421][ T72] addrconf_dad_begin+0x310/0x670 [ 6971.426421][ T72] addrconf_dad_work+0x10b/0xab0 [ 6971.426421][ T72] process_one_work+0x84d/0x18a0 [ 6971.426421][ T72] worker_thread+0x587/0xd30 [ 6971.426421][ T72] kthread+0x28a/0x350 [ 6971.426421][ T72] ret_from_fork+0x31/0x70 [ 6971.426421][ T72] ret_from_fork_asm+0x1a/0x30 [ 6971.426421][ T72] [ 6971.428298][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6971.428298][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.428298][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.428298][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.428298][ T72] ip6_route_add+0x1c/0x140 [ 6971.428298][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6971.428298][ T72] inet6_addr_add+0x4f8/0xa40 [ 6971.428298][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.428298][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.428298][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.428298][ T72] netlink_unicast+0x449/0x710 [ 6971.428298][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.428298][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.428298][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.428298][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.428298][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.428298][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.428298][ T72] [ 6971.430407][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6971.430407][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.430407][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.430407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.430407][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6971.430407][ T72] ipv6_add_addr+0x411/0x2000 [ 6971.430407][ T72] inet6_addr_add+0x30e/0xa40 [ 6971.430407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.430407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.430407][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.430407][ T72] netlink_unicast+0x449/0x710 [ 6971.430407][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.430407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.430407][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.430407][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.430407][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.430407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.430407][ T72] [ 6971.432614][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6971.432614][ T72] netdev_get_by_index+0x5e/0x80 [ 6971.432614][ T72] fib6_nh_init+0x3d8/0x1580 [ 6971.432614][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6971.432614][ T72] ip6_route_add+0x1c/0x140 [ 6971.432614][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6971.432614][ T72] addrconf_add_dev+0xe2/0x170 [ 6971.432614][ T72] inet6_addr_add+0x12f/0xa40 [ 6971.432614][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6971.432614][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.432614][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.432614][ T72] netlink_unicast+0x449/0x710 [ 6971.432614][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.432614][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.432614][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.432614][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.432614][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.432614][ T72] [ 6971.435420][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6971.435420][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6971.435420][ T72] ipv6_find_idev+0x102/0x170 [ 6971.435420][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6971.435420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.435420][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.435420][ T72] netlink_unicast+0x449/0x710 [ 6971.435420][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.435420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.435420][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.435420][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.435420][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.435420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.435420][ T72] [ 6971.437144][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6971.437144][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6971.437144][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6971.437144][ T72] ipv6_find_idev+0x102/0x170 [ 6971.437144][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6971.437144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6971.437144][ T72] netlink_rcv_skb+0x130/0x360 [ 6971.437144][ T72] netlink_unicast+0x449/0x710 [ 6971.437144][ T72] netlink_sendmsg+0x723/0xbe0 [ 6971.437144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6971.437144][ T72] ___sys_sendmsg+0xee/0x170 [ 6971.437144][ T72] __sys_sendmsg+0xcd/0x170 [ 6971.437144][ T72] do_syscall_64+0xc6/0x1e0 [ 6971.437144][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6971.437144][ T72] [ 6981.448974][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6981.449772][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6981.449772][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6981.449772][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6981.449772][ T72] fib6_nh_init+0xa22/0x1580 [ 6981.449772][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.449772][ T72] ip6_route_add+0x1c/0x140 [ 6981.449772][ T72] inet6_rtm_newroute+0x104/0x110 [ 6981.449772][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.449772][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.449772][ T72] netlink_unicast+0x449/0x710 [ 6981.449772][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.449772][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.449772][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.449772][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.449772][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.449772][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.449772][ T72] [ 6981.451595][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6981.451595][ T72] dst_init+0x84/0x4a0 [ 6981.451595][ T72] dst_alloc+0x97/0x150 [ 6981.451595][ T72] ip6_dst_alloc+0x23/0x90 [ 6981.451595][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6981.451595][ T72] ip6_pol_route+0x56f/0x840 [ 6981.451595][ T72] fib6_rule_lookup+0x456/0x630 [ 6981.451595][ T72] ip6_route_input+0x59c/0xa50 [ 6981.451595][ T72] ipv6_rcv+0x397/0x810 [ 6981.451595][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6981.451595][ T72] process_backlog+0x101/0x620 [ 6981.451595][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6981.451595][ T72] net_rx_action+0x495/0xbe0 [ 6981.451595][ T72] __do_softirq+0x1b5/0x7f6 [ 6981.451595][ T72] [ 6981.453232][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6981.453232][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.453232][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.453232][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.453232][ T72] ip6_route_add+0x1c/0x140 [ 6981.453232][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6981.453232][ T72] inet6_addr_add+0x4f8/0xa40 [ 6981.453232][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.453232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.453232][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.453232][ T72] netlink_unicast+0x449/0x710 [ 6981.453232][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.453232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.453232][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.453232][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.453232][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.453232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.453232][ T72] [ 6981.455215][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6981.455215][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.455215][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.455215][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.455215][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6981.455215][ T72] ipv6_add_addr+0x411/0x2000 [ 6981.455215][ T72] inet6_addr_add+0x30e/0xa40 [ 6981.455215][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.455215][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.455215][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.455215][ T72] netlink_unicast+0x449/0x710 [ 6981.455215][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.455215][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.455215][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.455215][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.455215][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.455215][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.455215][ T72] [ 6981.457245][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6981.457245][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.457245][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.457245][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.457245][ T72] ip6_route_add+0x1c/0x140 [ 6981.457245][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6981.457245][ T72] addrconf_add_dev+0xe2/0x170 [ 6981.457245][ T72] inet6_addr_add+0x12f/0xa40 [ 6981.457245][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.457245][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.457245][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.457245][ T72] netlink_unicast+0x449/0x710 [ 6981.457245][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.457245][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.457245][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.457245][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.457245][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.457245][ T72] [ 6981.459178][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6981.459178][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6981.459178][ T72] ipv6_find_idev+0x102/0x170 [ 6981.459178][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6981.459178][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.459178][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.459178][ T72] netlink_unicast+0x449/0x710 [ 6981.459178][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.459178][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.459178][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.459178][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.459178][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.459178][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.459178][ T72] [ 6981.460689][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6981.460689][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6981.460689][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6981.460689][ T72] ipv6_find_idev+0x102/0x170 [ 6981.460689][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6981.460689][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.460689][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.460689][ T72] netlink_unicast+0x449/0x710 [ 6981.460689][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.460689][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.460689][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.460689][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.460689][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.460689][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.460689][ T72] [ 6981.462424][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6981.462697][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6981.462697][ T72] dst_init+0x84/0x4a0 [ 6981.462697][ T72] dst_alloc+0x97/0x150 [ 6981.462697][ T72] ip6_dst_alloc+0x23/0x90 [ 6981.462697][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6981.462697][ T72] ip6_pol_route+0x56f/0x840 [ 6981.462697][ T72] fib6_rule_lookup+0x456/0x630 [ 6981.462697][ T72] ip6_route_input+0x59c/0xa50 [ 6981.462697][ T72] ipv6_rcv+0x397/0x810 [ 6981.462697][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6981.462697][ T72] process_backlog+0x101/0x620 [ 6981.462697][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6981.462697][ T72] net_rx_action+0x495/0xbe0 [ 6981.462697][ T72] __do_softirq+0x1b5/0x7f6 [ 6981.462697][ T72] [ 6981.464375][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6981.464375][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.464375][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.464375][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.464375][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6981.464375][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6981.464375][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6981.464375][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6981.464375][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6981.464375][ T72] addrconf_dad_begin+0x310/0x670 [ 6981.464375][ T72] addrconf_dad_work+0x10b/0xab0 [ 6981.464375][ T72] process_one_work+0x84d/0x18a0 [ 6981.464375][ T72] worker_thread+0x587/0xd30 [ 6981.464375][ T72] kthread+0x28a/0x350 [ 6981.464375][ T72] ret_from_fork+0x31/0x70 [ 6981.464375][ T72] ret_from_fork_asm+0x1a/0x30 [ 6981.464375][ T72] [ 6981.466310][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6981.466310][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.466310][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.466310][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.466310][ T72] ip6_route_add+0x1c/0x140 [ 6981.466310][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6981.466310][ T72] inet6_addr_add+0x4f8/0xa40 [ 6981.466310][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.466310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.466310][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.466310][ T72] netlink_unicast+0x449/0x710 [ 6981.466310][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.466310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.466310][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.466310][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.466310][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.466310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.466310][ T72] [ 6981.468358][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6981.468358][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.468358][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.468358][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.468358][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6981.468358][ T72] ipv6_add_addr+0x411/0x2000 [ 6981.468358][ T72] inet6_addr_add+0x30e/0xa40 [ 6981.468358][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.468358][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.468358][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.468358][ T72] netlink_unicast+0x449/0x710 [ 6981.468358][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.468358][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.468358][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.468358][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.468358][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.468358][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.468358][ T72] [ 6981.470370][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6981.470370][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.470370][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.470370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.470370][ T72] ip6_route_add+0x1c/0x140 [ 6981.470370][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6981.470370][ T72] addrconf_add_dev+0xe2/0x170 [ 6981.470370][ T72] inet6_addr_add+0x12f/0xa40 [ 6981.470370][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.470370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.470370][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.470370][ T72] netlink_unicast+0x449/0x710 [ 6981.470370][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.470370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.470370][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.470370][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.470370][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.470370][ T72] [ 6981.473047][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6981.473047][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6981.473047][ T72] ipv6_find_idev+0x102/0x170 [ 6981.473047][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6981.473047][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.473047][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.473047][ T72] netlink_unicast+0x449/0x710 [ 6981.473047][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.473047][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.473047][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.473047][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.473047][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.473047][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.473047][ T72] [ 6981.474554][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6981.474554][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6981.474554][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6981.474554][ T72] ipv6_find_idev+0x102/0x170 [ 6981.474554][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6981.474554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.474554][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.474554][ T72] netlink_unicast+0x449/0x710 [ 6981.474554][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.474554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.474554][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.474554][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.474554][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.474554][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.474554][ T72] [ 6981.476389][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6981.476664][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6981.476664][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6981.476664][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6981.476664][ T72] fib6_nh_init+0xa22/0x1580 [ 6981.476664][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.476664][ T72] ip6_route_add+0x1c/0x140 [ 6981.476664][ T72] inet6_rtm_newroute+0x104/0x110 [ 6981.476664][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.476664][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.476664][ T72] netlink_unicast+0x449/0x710 [ 6981.476664][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.476664][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.476664][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.476664][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.476664][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.476664][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.476664][ T72] [ 6981.478866][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6981.478866][ T72] dst_init+0x84/0x4a0 [ 6981.478866][ T72] dst_alloc+0x97/0x150 [ 6981.478866][ T72] ip6_dst_alloc+0x23/0x90 [ 6981.478866][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6981.478866][ T72] ip6_pol_route+0x56f/0x840 [ 6981.478866][ T72] fib6_rule_lookup+0x456/0x630 [ 6981.478866][ T72] ip6_route_input+0x59c/0xa50 [ 6981.478866][ T72] ipv6_rcv+0x397/0x810 [ 6981.478866][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6981.478866][ T72] process_backlog+0x101/0x620 [ 6981.478866][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6981.478866][ T72] net_rx_action+0x495/0xbe0 [ 6981.478866][ T72] __do_softirq+0x1b5/0x7f6 [ 6981.478866][ T72] [ 6981.480711][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6981.480711][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.480711][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.480711][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.480711][ T72] ip6_route_add+0x1c/0x140 [ 6981.480711][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6981.480711][ T72] inet6_addr_add+0x4f8/0xa40 [ 6981.480711][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.480711][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.480711][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.480711][ T72] netlink_unicast+0x449/0x710 [ 6981.480711][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.480711][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.480711][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.480711][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.480711][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.480711][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.480711][ T72] [ 6981.482917][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6981.482917][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.482917][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.482917][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.482917][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6981.482917][ T72] ipv6_add_addr+0x411/0x2000 [ 6981.482917][ T72] inet6_addr_add+0x30e/0xa40 [ 6981.482917][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.482917][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.482917][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.482917][ T72] netlink_unicast+0x449/0x710 [ 6981.482917][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.482917][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.482917][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.482917][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.482917][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.482917][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.482917][ T72] [ 6981.485144][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6981.485144][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.485144][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.485144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.485144][ T72] ip6_route_add+0x1c/0x140 [ 6981.485144][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6981.485144][ T72] addrconf_add_dev+0xe2/0x170 [ 6981.485144][ T72] inet6_addr_add+0x12f/0xa40 [ 6981.485144][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.485144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.485144][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.485144][ T72] netlink_unicast+0x449/0x710 [ 6981.485144][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.485144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.485144][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.485144][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.485144][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.485144][ T72] [ 6981.487418][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6981.487418][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6981.487418][ T72] ipv6_find_idev+0x102/0x170 [ 6981.487418][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6981.487418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.487418][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.487418][ T72] netlink_unicast+0x449/0x710 [ 6981.487418][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.487418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.487418][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.487418][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.487418][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.487418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.487418][ T72] [ 6981.489158][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6981.489158][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6981.489158][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6981.489158][ T72] ipv6_find_idev+0x102/0x170 [ 6981.489158][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6981.489158][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.489158][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.489158][ T72] netlink_unicast+0x449/0x710 [ 6981.489158][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.489158][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.489158][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.489158][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.489158][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.489158][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.489158][ T72] [ 6981.491007][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6981.491347][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6981.491347][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.491347][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.491347][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.491347][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6981.491347][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6981.491347][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6981.491347][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6981.491347][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6981.491347][ T72] addrconf_dad_begin+0x310/0x670 [ 6981.491347][ T72] addrconf_dad_work+0x10b/0xab0 [ 6981.491347][ T72] process_one_work+0x84d/0x18a0 [ 6981.491347][ T72] worker_thread+0x587/0xd30 [ 6981.491347][ T72] kthread+0x28a/0x350 [ 6981.491347][ T72] ret_from_fork+0x31/0x70 [ 6981.491347][ T72] ret_from_fork_asm+0x1a/0x30 [ 6981.491347][ T72] [ 6981.493423][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6981.493423][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.493423][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.493423][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.493423][ T72] ip6_route_add+0x1c/0x140 [ 6981.493423][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6981.493423][ T72] inet6_addr_add+0x4f8/0xa40 [ 6981.493423][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.493423][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.493423][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.493423][ T72] netlink_unicast+0x449/0x710 [ 6981.493423][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.493423][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.493423][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.493423][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.493423][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.493423][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.493423][ T72] [ 6981.495678][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6981.495678][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.495678][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.495678][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.495678][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6981.495678][ T72] ipv6_add_addr+0x411/0x2000 [ 6981.495678][ T72] inet6_addr_add+0x30e/0xa40 [ 6981.495678][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.495678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.495678][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.495678][ T72] netlink_unicast+0x449/0x710 [ 6981.495678][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.495678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.495678][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.495678][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.495678][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.495678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.495678][ T72] [ 6981.498039][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6981.498039][ T72] netdev_get_by_index+0x5e/0x80 [ 6981.498039][ T72] fib6_nh_init+0x3d8/0x1580 [ 6981.498039][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6981.498039][ T72] ip6_route_add+0x1c/0x140 [ 6981.498039][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6981.498039][ T72] addrconf_add_dev+0xe2/0x170 [ 6981.498039][ T72] inet6_addr_add+0x12f/0xa40 [ 6981.498039][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6981.498039][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.498039][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.498039][ T72] netlink_unicast+0x449/0x710 [ 6981.498039][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.498039][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.498039][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.498039][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.498039][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.498039][ T72] [ 6981.500238][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6981.500238][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6981.500238][ T72] ipv6_find_idev+0x102/0x170 [ 6981.500238][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6981.500238][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.500238][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.500238][ T72] netlink_unicast+0x449/0x710 [ 6981.500238][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.500238][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.500238][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.500238][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.500238][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.500238][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.500238][ T72] [ 6981.501963][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6981.501963][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6981.501963][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6981.501963][ T72] ipv6_find_idev+0x102/0x170 [ 6981.501963][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6981.501963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6981.501963][ T72] netlink_rcv_skb+0x130/0x360 [ 6981.501963][ T72] netlink_unicast+0x449/0x710 [ 6981.501963][ T72] netlink_sendmsg+0x723/0xbe0 [ 6981.501963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6981.501963][ T72] ___sys_sendmsg+0xee/0x170 [ 6981.501963][ T72] __sys_sendmsg+0xcd/0x170 [ 6981.501963][ T72] do_syscall_64+0xc6/0x1e0 [ 6981.501963][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6981.501963][ T72] [ 6991.745009][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 6991.745600][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6991.745600][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6991.745600][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6991.745600][ T72] fib6_nh_init+0xa22/0x1580 [ 6991.745600][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.745600][ T72] ip6_route_add+0x1c/0x140 [ 6991.745600][ T72] inet6_rtm_newroute+0x104/0x110 [ 6991.745600][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.745600][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.745600][ T72] netlink_unicast+0x449/0x710 [ 6991.745600][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.745600][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.745600][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.745600][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.745600][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.745600][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.745600][ T72] [ 6991.747428][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 6991.747428][ T72] dst_init+0x84/0x4a0 [ 6991.747428][ T72] dst_alloc+0x97/0x150 [ 6991.747428][ T72] ip6_dst_alloc+0x23/0x90 [ 6991.747428][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6991.747428][ T72] ip6_pol_route+0x56f/0x840 [ 6991.747428][ T72] fib6_rule_lookup+0x456/0x630 [ 6991.747428][ T72] ip6_route_input+0x59c/0xa50 [ 6991.747428][ T72] ipv6_rcv+0x397/0x810 [ 6991.747428][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6991.747428][ T72] process_backlog+0x101/0x620 [ 6991.747428][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6991.747428][ T72] net_rx_action+0x495/0xbe0 [ 6991.747428][ T72] __do_softirq+0x1b5/0x7f6 [ 6991.747428][ T72] [ 6991.749058][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6991.749058][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.749058][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.749058][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.749058][ T72] ip6_route_add+0x1c/0x140 [ 6991.749058][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6991.749058][ T72] inet6_addr_add+0x4f8/0xa40 [ 6991.749058][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.749058][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.749058][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.749058][ T72] netlink_unicast+0x449/0x710 [ 6991.749058][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.749058][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.749058][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.749058][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.749058][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.749058][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.749058][ T72] [ 6991.751074][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6991.751074][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.751074][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.751074][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.751074][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6991.751074][ T72] ipv6_add_addr+0x411/0x2000 [ 6991.751074][ T72] inet6_addr_add+0x30e/0xa40 [ 6991.751074][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.751074][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.751074][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.751074][ T72] netlink_unicast+0x449/0x710 [ 6991.751074][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.751074][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.751074][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.751074][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.751074][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.751074][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.751074][ T72] [ 6991.753032][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6991.753032][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.753032][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.753032][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.753032][ T72] ip6_route_add+0x1c/0x140 [ 6991.753032][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6991.753032][ T72] addrconf_add_dev+0xe2/0x170 [ 6991.753032][ T72] inet6_addr_add+0x12f/0xa40 [ 6991.753032][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.753032][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.753032][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.753032][ T72] netlink_unicast+0x449/0x710 [ 6991.753032][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.753032][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.753032][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.753032][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.753032][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.753032][ T72] [ 6991.754958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6991.754958][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6991.754958][ T72] ipv6_find_idev+0x102/0x170 [ 6991.754958][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6991.754958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.754958][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.754958][ T72] netlink_unicast+0x449/0x710 [ 6991.754958][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.754958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.754958][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.754958][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.754958][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.754958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.754958][ T72] [ 6991.756520][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 6991.756520][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6991.756520][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6991.756520][ T72] ipv6_find_idev+0x102/0x170 [ 6991.756520][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6991.756520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.756520][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.756520][ T72] netlink_unicast+0x449/0x710 [ 6991.756520][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.756520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.756520][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.756520][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.756520][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.756520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.756520][ T72] [ 6991.758241][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 6991.758522][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6991.758522][ T72] dst_init+0x84/0x4a0 [ 6991.758522][ T72] dst_alloc+0x97/0x150 [ 6991.758522][ T72] ip6_dst_alloc+0x23/0x90 [ 6991.758522][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6991.758522][ T72] ip6_pol_route+0x56f/0x840 [ 6991.758522][ T72] fib6_rule_lookup+0x456/0x630 [ 6991.758522][ T72] ip6_route_input+0x59c/0xa50 [ 6991.758522][ T72] ipv6_rcv+0x397/0x810 [ 6991.758522][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6991.758522][ T72] process_backlog+0x101/0x620 [ 6991.758522][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6991.758522][ T72] net_rx_action+0x495/0xbe0 [ 6991.758522][ T72] __do_softirq+0x1b5/0x7f6 [ 6991.758522][ T72] [ 6991.760155][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6991.760155][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.760155][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.760155][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.760155][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6991.760155][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6991.760155][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6991.760155][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6991.760155][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6991.760155][ T72] addrconf_dad_begin+0x310/0x670 [ 6991.760155][ T72] addrconf_dad_work+0x10b/0xab0 [ 6991.760155][ T72] process_one_work+0x84d/0x18a0 [ 6991.760155][ T72] worker_thread+0x587/0xd30 [ 6991.760155][ T72] kthread+0x28a/0x350 [ 6991.760155][ T72] ret_from_fork+0x31/0x70 [ 6991.760155][ T72] ret_from_fork_asm+0x1a/0x30 [ 6991.760155][ T72] [ 6991.762022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6991.762022][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.762022][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.762022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.762022][ T72] ip6_route_add+0x1c/0x140 [ 6991.762022][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6991.762022][ T72] inet6_addr_add+0x4f8/0xa40 [ 6991.762022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.762022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.762022][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.762022][ T72] netlink_unicast+0x449/0x710 [ 6991.762022][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.762022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.762022][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.762022][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.762022][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.762022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.762022][ T72] [ 6991.763971][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6991.763971][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.763971][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.763971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.763971][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6991.763971][ T72] ipv6_add_addr+0x411/0x2000 [ 6991.763971][ T72] inet6_addr_add+0x30e/0xa40 [ 6991.763971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.763971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.763971][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.763971][ T72] netlink_unicast+0x449/0x710 [ 6991.763971][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.763971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.763971][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.763971][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.763971][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.763971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.763971][ T72] [ 6991.765936][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6991.765936][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.765936][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.765936][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.765936][ T72] ip6_route_add+0x1c/0x140 [ 6991.765936][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6991.765936][ T72] addrconf_add_dev+0xe2/0x170 [ 6991.765936][ T72] inet6_addr_add+0x12f/0xa40 [ 6991.765936][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.765936][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.765936][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.765936][ T72] netlink_unicast+0x449/0x710 [ 6991.765936][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.765936][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.765936][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.765936][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.765936][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.765936][ T72] [ 6991.767868][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6991.767868][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6991.767868][ T72] ipv6_find_idev+0x102/0x170 [ 6991.767868][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6991.767868][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.767868][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.767868][ T72] netlink_unicast+0x449/0x710 [ 6991.767868][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.767868][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.767868][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.767868][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.767868][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.767868][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.767868][ T72] [ 6991.769426][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 6991.769426][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6991.769426][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6991.769426][ T72] ipv6_find_idev+0x102/0x170 [ 6991.769426][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6991.769426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.769426][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.769426][ T72] netlink_unicast+0x449/0x710 [ 6991.769426][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.769426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.769426][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.769426][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.769426][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.769426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.769426][ T72] [ 6991.771231][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 6991.771507][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6991.771507][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 6991.771507][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 6991.771507][ T72] fib6_nh_init+0xa22/0x1580 [ 6991.771507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.771507][ T72] ip6_route_add+0x1c/0x140 [ 6991.771507][ T72] inet6_rtm_newroute+0x104/0x110 [ 6991.771507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.771507][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.771507][ T72] netlink_unicast+0x449/0x710 [ 6991.771507][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.771507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.771507][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.771507][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.771507][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.771507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.771507][ T72] [ 6991.773713][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6991.773713][ T72] dst_init+0x84/0x4a0 [ 6991.773713][ T72] dst_alloc+0x97/0x150 [ 6991.773713][ T72] ip6_dst_alloc+0x23/0x90 [ 6991.773713][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6991.773713][ T72] ip6_pol_route+0x56f/0x840 [ 6991.773713][ T72] fib6_rule_lookup+0x456/0x630 [ 6991.773713][ T72] ip6_route_input+0x59c/0xa50 [ 6991.773713][ T72] ipv6_rcv+0x397/0x810 [ 6991.773713][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 6991.773713][ T72] process_backlog+0x101/0x620 [ 6991.773713][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 6991.773713][ T72] net_rx_action+0x495/0xbe0 [ 6991.773713][ T72] __do_softirq+0x1b5/0x7f6 [ 6991.773713][ T72] [ 6991.775537][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6991.775537][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.775537][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.775537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.775537][ T72] ip6_route_add+0x1c/0x140 [ 6991.775537][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6991.775537][ T72] inet6_addr_add+0x4f8/0xa40 [ 6991.775537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.775537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.775537][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.775537][ T72] netlink_unicast+0x449/0x710 [ 6991.775537][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.775537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.775537][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.775537][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.775537][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.775537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.775537][ T72] [ 6991.777730][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6991.777730][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.777730][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.777730][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.777730][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6991.777730][ T72] ipv6_add_addr+0x411/0x2000 [ 6991.777730][ T72] inet6_addr_add+0x30e/0xa40 [ 6991.777730][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.777730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.777730][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.777730][ T72] netlink_unicast+0x449/0x710 [ 6991.777730][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.777730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.777730][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.777730][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.777730][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.777730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.777730][ T72] [ 6991.779963][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6991.779963][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.779963][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.779963][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.779963][ T72] ip6_route_add+0x1c/0x140 [ 6991.779963][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6991.779963][ T72] addrconf_add_dev+0xe2/0x170 [ 6991.779963][ T72] inet6_addr_add+0x12f/0xa40 [ 6991.779963][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.779963][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.779963][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.779963][ T72] netlink_unicast+0x449/0x710 [ 6991.779963][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.779963][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.779963][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.779963][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.779963][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.779963][ T72] [ 6991.782224][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6991.782224][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6991.782224][ T72] ipv6_find_idev+0x102/0x170 [ 6991.782224][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6991.782224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.782224][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.782224][ T72] netlink_unicast+0x449/0x710 [ 6991.782224][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.782224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.782224][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.782224][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.782224][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.782224][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.782224][ T72] [ 6991.783944][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 6991.783944][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6991.783944][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6991.783944][ T72] ipv6_find_idev+0x102/0x170 [ 6991.783944][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6991.783944][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.783944][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.783944][ T72] netlink_unicast+0x449/0x710 [ 6991.783944][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.783944][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.783944][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.783944][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.783944][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.783944][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.783944][ T72] [ 6991.785818][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 6991.786160][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6991.786160][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.786160][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.786160][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.786160][ T72] addrconf_f6i_alloc+0x265/0x560 [ 6991.786160][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6991.786160][ T72] addrconf_join_anycast+0x1c0/0x220 [ 6991.786160][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6991.786160][ T72] addrconf_dad_completed+0x12b/0xe20 [ 6991.786160][ T72] addrconf_dad_begin+0x310/0x670 [ 6991.786160][ T72] addrconf_dad_work+0x10b/0xab0 [ 6991.786160][ T72] process_one_work+0x84d/0x18a0 [ 6991.786160][ T72] worker_thread+0x587/0xd30 [ 6991.786160][ T72] kthread+0x28a/0x350 [ 6991.786160][ T72] ret_from_fork+0x31/0x70 [ 6991.786160][ T72] ret_from_fork_asm+0x1a/0x30 [ 6991.786160][ T72] [ 6991.788263][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6991.788263][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.788263][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.788263][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.788263][ T72] ip6_route_add+0x1c/0x140 [ 6991.788263][ T72] addrconf_prefix_route+0x2a6/0x430 [ 6991.788263][ T72] inet6_addr_add+0x4f8/0xa40 [ 6991.788263][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.788263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.788263][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.788263][ T72] netlink_unicast+0x449/0x710 [ 6991.788263][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.788263][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.788263][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.788263][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.788263][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.788263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.788263][ T72] [ 6991.790492][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6991.790492][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.790492][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.790492][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.790492][ T72] addrconf_f6i_alloc+0x315/0x560 [ 6991.790492][ T72] ipv6_add_addr+0x411/0x2000 [ 6991.790492][ T72] inet6_addr_add+0x30e/0xa40 [ 6991.790492][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.790492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.790492][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.790492][ T72] netlink_unicast+0x449/0x710 [ 6991.790492][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.790492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.790492][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.790492][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.790492][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.790492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.790492][ T72] [ 6991.792787][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6991.792787][ T72] netdev_get_by_index+0x5e/0x80 [ 6991.792787][ T72] fib6_nh_init+0x3d8/0x1580 [ 6991.792787][ T72] ip6_route_info_create+0xf18/0x17d0 [ 6991.792787][ T72] ip6_route_add+0x1c/0x140 [ 6991.792787][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 6991.792787][ T72] addrconf_add_dev+0xe2/0x170 [ 6991.792787][ T72] inet6_addr_add+0x12f/0xa40 [ 6991.792787][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 6991.792787][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.792787][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.792787][ T72] netlink_unicast+0x449/0x710 [ 6991.792787][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.792787][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.792787][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.792787][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.792787][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.792787][ T72] [ 6991.794962][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6991.794962][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 6991.794962][ T72] ipv6_find_idev+0x102/0x170 [ 6991.794962][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6991.794962][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.794962][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.794962][ T72] netlink_unicast+0x449/0x710 [ 6991.794962][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.794962][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.794962][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.794962][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.794962][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.794962][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.794962][ T72] [ 6991.796703][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 6991.796703][ T72] neigh_parms_alloc+0x1e5/0x510 [ 6991.796703][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 6991.796703][ T72] ipv6_find_idev+0x102/0x170 [ 6991.796703][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 6991.796703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6991.796703][ T72] netlink_rcv_skb+0x130/0x360 [ 6991.796703][ T72] netlink_unicast+0x449/0x710 [ 6991.796703][ T72] netlink_sendmsg+0x723/0xbe0 [ 6991.796703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 6991.796703][ T72] ___sys_sendmsg+0xee/0x170 [ 6991.796703][ T72] __sys_sendmsg+0xcd/0x170 [ 6991.796703][ T72] do_syscall_64+0xc6/0x1e0 [ 6991.796703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6991.796703][ T72] [ 7001.800992][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7001.801811][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7001.801811][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7001.801811][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7001.801811][ T72] fib6_nh_init+0xa22/0x1580 [ 7001.801811][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.801811][ T72] ip6_route_add+0x1c/0x140 [ 7001.801811][ T72] inet6_rtm_newroute+0x104/0x110 [ 7001.801811][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.801811][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.801811][ T72] netlink_unicast+0x449/0x710 [ 7001.801811][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.801811][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.801811][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.801811][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.801811][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.801811][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.801811][ T72] [ 7001.803595][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7001.803595][ T72] dst_init+0x84/0x4a0 [ 7001.803595][ T72] dst_alloc+0x97/0x150 [ 7001.803595][ T72] ip6_dst_alloc+0x23/0x90 [ 7001.803595][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7001.803595][ T72] ip6_pol_route+0x56f/0x840 [ 7001.803595][ T72] fib6_rule_lookup+0x456/0x630 [ 7001.803595][ T72] ip6_route_input+0x59c/0xa50 [ 7001.803595][ T72] ipv6_rcv+0x397/0x810 [ 7001.803595][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7001.803595][ T72] process_backlog+0x101/0x620 [ 7001.803595][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7001.803595][ T72] net_rx_action+0x495/0xbe0 [ 7001.803595][ T72] __do_softirq+0x1b5/0x7f6 [ 7001.803595][ T72] [ 7001.805696][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7001.805696][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.805696][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.805696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.805696][ T72] ip6_route_add+0x1c/0x140 [ 7001.805696][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7001.805696][ T72] inet6_addr_add+0x4f8/0xa40 [ 7001.805696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.805696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.805696][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.805696][ T72] netlink_unicast+0x449/0x710 [ 7001.805696][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.805696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.805696][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.805696][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.805696][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.805696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.805696][ T72] [ 7001.807579][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7001.807579][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.807579][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.807579][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.807579][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7001.807579][ T72] ipv6_add_addr+0x411/0x2000 [ 7001.807579][ T72] inet6_addr_add+0x30e/0xa40 [ 7001.807579][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.807579][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.807579][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.807579][ T72] netlink_unicast+0x449/0x710 [ 7001.807579][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.807579][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.807579][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.807579][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.807579][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.807579][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.807579][ T72] [ 7001.809448][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7001.809448][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.809448][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.809448][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.809448][ T72] ip6_route_add+0x1c/0x140 [ 7001.809448][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7001.809448][ T72] addrconf_add_dev+0xe2/0x170 [ 7001.809448][ T72] inet6_addr_add+0x12f/0xa40 [ 7001.809448][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.809448][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.809448][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.809448][ T72] netlink_unicast+0x449/0x710 [ 7001.809448][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.809448][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.809448][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.809448][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.809448][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.809448][ T72] [ 7001.811277][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7001.811277][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7001.811277][ T72] ipv6_find_idev+0x102/0x170 [ 7001.811277][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.811277][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.811277][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.811277][ T72] netlink_unicast+0x449/0x710 [ 7001.811277][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.811277][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.811277][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.811277][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.811277][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.811277][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.811277][ T72] [ 7001.812714][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7001.812714][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7001.812714][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7001.812714][ T72] ipv6_find_idev+0x102/0x170 [ 7001.812714][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.812714][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.812714][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.812714][ T72] netlink_unicast+0x449/0x710 [ 7001.812714][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.812714][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.812714][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.812714][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.812714][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.812714][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.812714][ T72] [ 7001.814322][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7001.814618][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7001.814618][ T72] dst_init+0x84/0x4a0 [ 7001.814618][ T72] dst_alloc+0x97/0x150 [ 7001.814618][ T72] ip6_dst_alloc+0x23/0x90 [ 7001.814618][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7001.814618][ T72] ip6_pol_route+0x56f/0x840 [ 7001.814618][ T72] fib6_rule_lookup+0x456/0x630 [ 7001.814618][ T72] ip6_route_input+0x59c/0xa50 [ 7001.814618][ T72] ipv6_rcv+0x397/0x810 [ 7001.814618][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7001.814618][ T72] process_backlog+0x101/0x620 [ 7001.814618][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7001.814618][ T72] net_rx_action+0x495/0xbe0 [ 7001.814618][ T72] __do_softirq+0x1b5/0x7f6 [ 7001.814618][ T72] [ 7001.816281][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7001.816281][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.816281][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.816281][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.816281][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7001.816281][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7001.816281][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7001.816281][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7001.816281][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7001.816281][ T72] addrconf_dad_begin+0x310/0x670 [ 7001.816281][ T72] addrconf_dad_work+0x10b/0xab0 [ 7001.816281][ T72] process_one_work+0x84d/0x18a0 [ 7001.816281][ T72] worker_thread+0x587/0xd30 [ 7001.816281][ T72] kthread+0x28a/0x350 [ 7001.816281][ T72] ret_from_fork+0x31/0x70 [ 7001.816281][ T72] ret_from_fork_asm+0x1a/0x30 [ 7001.816281][ T72] [ 7001.818195][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7001.818195][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.818195][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.818195][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.818195][ T72] ip6_route_add+0x1c/0x140 [ 7001.818195][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7001.818195][ T72] inet6_addr_add+0x4f8/0xa40 [ 7001.818195][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.818195][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.818195][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.818195][ T72] netlink_unicast+0x449/0x710 [ 7001.818195][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.818195][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.818195][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.818195][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.818195][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.818195][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.818195][ T72] [ 7001.820897][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7001.820897][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.820897][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.820897][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.820897][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7001.820897][ T72] ipv6_add_addr+0x411/0x2000 [ 7001.820897][ T72] inet6_addr_add+0x30e/0xa40 [ 7001.820897][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.820897][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.820897][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.820897][ T72] netlink_unicast+0x449/0x710 [ 7001.820897][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.820897][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.820897][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.820897][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.820897][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.820897][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.820897][ T72] [ 7001.822888][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7001.822888][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.822888][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.822888][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.822888][ T72] ip6_route_add+0x1c/0x140 [ 7001.822888][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7001.822888][ T72] addrconf_add_dev+0xe2/0x170 [ 7001.822888][ T72] inet6_addr_add+0x12f/0xa40 [ 7001.822888][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.822888][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.822888][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.822888][ T72] netlink_unicast+0x449/0x710 [ 7001.822888][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.822888][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.822888][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.822888][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.822888][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.822888][ T72] [ 7001.824814][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7001.824814][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7001.824814][ T72] ipv6_find_idev+0x102/0x170 [ 7001.824814][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.824814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.824814][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.824814][ T72] netlink_unicast+0x449/0x710 [ 7001.824814][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.824814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.824814][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.824814][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.824814][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.824814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.824814][ T72] [ 7001.826352][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7001.826352][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7001.826352][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7001.826352][ T72] ipv6_find_idev+0x102/0x170 [ 7001.826352][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.826352][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.826352][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.826352][ T72] netlink_unicast+0x449/0x710 [ 7001.826352][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.826352][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.826352][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.826352][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.826352][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.826352][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.826352][ T72] [ 7001.828165][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7001.828443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7001.828443][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7001.828443][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7001.828443][ T72] fib6_nh_init+0xa22/0x1580 [ 7001.828443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.828443][ T72] ip6_route_add+0x1c/0x140 [ 7001.828443][ T72] inet6_rtm_newroute+0x104/0x110 [ 7001.828443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.828443][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.828443][ T72] netlink_unicast+0x449/0x710 [ 7001.828443][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.828443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.828443][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.828443][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.828443][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.828443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.828443][ T72] [ 7001.830615][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7001.830615][ T72] dst_init+0x84/0x4a0 [ 7001.830615][ T72] dst_alloc+0x97/0x150 [ 7001.830615][ T72] ip6_dst_alloc+0x23/0x90 [ 7001.830615][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7001.830615][ T72] ip6_pol_route+0x56f/0x840 [ 7001.830615][ T72] fib6_rule_lookup+0x456/0x630 [ 7001.830615][ T72] ip6_route_input+0x59c/0xa50 [ 7001.830615][ T72] ipv6_rcv+0x397/0x810 [ 7001.830615][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7001.830615][ T72] process_backlog+0x101/0x620 [ 7001.830615][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7001.830615][ T72] net_rx_action+0x495/0xbe0 [ 7001.830615][ T72] __do_softirq+0x1b5/0x7f6 [ 7001.830615][ T72] [ 7001.832393][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7001.832393][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.832393][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.832393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.832393][ T72] ip6_route_add+0x1c/0x140 [ 7001.832393][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7001.832393][ T72] inet6_addr_add+0x4f8/0xa40 [ 7001.832393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.832393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.832393][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.832393][ T72] netlink_unicast+0x449/0x710 [ 7001.832393][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.832393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.832393][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.832393][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.832393][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.832393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.832393][ T72] [ 7001.834543][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7001.834543][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.834543][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.834543][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.834543][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7001.834543][ T72] ipv6_add_addr+0x411/0x2000 [ 7001.834543][ T72] inet6_addr_add+0x30e/0xa40 [ 7001.834543][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.834543][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.834543][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.834543][ T72] netlink_unicast+0x449/0x710 [ 7001.834543][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.834543][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.834543][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.834543][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.834543][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.834543][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.834543][ T72] [ 7001.836766][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7001.836766][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.836766][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.836766][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.836766][ T72] ip6_route_add+0x1c/0x140 [ 7001.836766][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7001.836766][ T72] addrconf_add_dev+0xe2/0x170 [ 7001.836766][ T72] inet6_addr_add+0x12f/0xa40 [ 7001.836766][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.836766][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.836766][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.836766][ T72] netlink_unicast+0x449/0x710 [ 7001.836766][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.836766][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.836766][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.836766][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.836766][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.836766][ T72] [ 7001.838979][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7001.838979][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7001.838979][ T72] ipv6_find_idev+0x102/0x170 [ 7001.838979][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.838979][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.838979][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.838979][ T72] netlink_unicast+0x449/0x710 [ 7001.838979][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.838979][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.838979][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.838979][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.838979][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.838979][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.838979][ T72] [ 7001.840658][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7001.840658][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7001.840658][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7001.840658][ T72] ipv6_find_idev+0x102/0x170 [ 7001.840658][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.840658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.840658][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.840658][ T72] netlink_unicast+0x449/0x710 [ 7001.840658][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.840658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.840658][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.840658][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.840658][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.840658][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.840658][ T72] [ 7001.842530][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7001.843296][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7001.843296][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.843296][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.843296][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.843296][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7001.843296][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7001.843296][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7001.843296][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7001.843296][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7001.843296][ T72] addrconf_dad_begin+0x310/0x670 [ 7001.843296][ T72] addrconf_dad_work+0x10b/0xab0 [ 7001.843296][ T72] process_one_work+0x84d/0x18a0 [ 7001.843296][ T72] worker_thread+0x587/0xd30 [ 7001.843296][ T72] kthread+0x28a/0x350 [ 7001.843296][ T72] ret_from_fork+0x31/0x70 [ 7001.843296][ T72] ret_from_fork_asm+0x1a/0x30 [ 7001.843296][ T72] [ 7001.845175][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7001.845175][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.845175][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.845175][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.845175][ T72] ip6_route_add+0x1c/0x140 [ 7001.845175][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7001.845175][ T72] inet6_addr_add+0x4f8/0xa40 [ 7001.845175][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.845175][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.845175][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.845175][ T72] netlink_unicast+0x449/0x710 [ 7001.845175][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.845175][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.845175][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.845175][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.845175][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.845175][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.845175][ T72] [ 7001.847251][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7001.847251][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.847251][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.847251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.847251][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7001.847251][ T72] ipv6_add_addr+0x411/0x2000 [ 7001.847251][ T72] inet6_addr_add+0x30e/0xa40 [ 7001.847251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.847251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.847251][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.847251][ T72] netlink_unicast+0x449/0x710 [ 7001.847251][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.847251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.847251][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.847251][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.847251][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.847251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.847251][ T72] [ 7001.849522][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7001.849522][ T72] netdev_get_by_index+0x5e/0x80 [ 7001.849522][ T72] fib6_nh_init+0x3d8/0x1580 [ 7001.849522][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7001.849522][ T72] ip6_route_add+0x1c/0x140 [ 7001.849522][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7001.849522][ T72] addrconf_add_dev+0xe2/0x170 [ 7001.849522][ T72] inet6_addr_add+0x12f/0xa40 [ 7001.849522][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7001.849522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.849522][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.849522][ T72] netlink_unicast+0x449/0x710 [ 7001.849522][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.849522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.849522][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.849522][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.849522][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.849522][ T72] [ 7001.851818][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7001.851818][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7001.851818][ T72] ipv6_find_idev+0x102/0x170 [ 7001.851818][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.851818][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.851818][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.851818][ T72] netlink_unicast+0x449/0x710 [ 7001.851818][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.851818][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.851818][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.851818][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.851818][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.851818][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.851818][ T72] [ 7001.853578][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7001.853578][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7001.853578][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7001.853578][ T72] ipv6_find_idev+0x102/0x170 [ 7001.853578][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7001.853578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7001.853578][ T72] netlink_rcv_skb+0x130/0x360 [ 7001.853578][ T72] netlink_unicast+0x449/0x710 [ 7001.853578][ T72] netlink_sendmsg+0x723/0xbe0 [ 7001.853578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7001.853578][ T72] ___sys_sendmsg+0xee/0x170 [ 7001.853578][ T72] __sys_sendmsg+0xcd/0x170 [ 7001.853578][ T72] do_syscall_64+0xc6/0x1e0 [ 7001.853578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7001.853578][ T72] [ 7011.961063][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7011.962005][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7011.962005][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7011.962005][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7011.962005][ T72] fib6_nh_init+0xa22/0x1580 [ 7011.962005][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.962005][ T72] ip6_route_add+0x1c/0x140 [ 7011.962005][ T72] inet6_rtm_newroute+0x104/0x110 [ 7011.962005][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.962005][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.962005][ T72] netlink_unicast+0x449/0x710 [ 7011.962005][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.962005][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.962005][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.962005][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.962005][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.962005][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.962005][ T72] [ 7011.963876][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7011.963876][ T72] dst_init+0x84/0x4a0 [ 7011.963876][ T72] dst_alloc+0x97/0x150 [ 7011.963876][ T72] ip6_dst_alloc+0x23/0x90 [ 7011.963876][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7011.963876][ T72] ip6_pol_route+0x56f/0x840 [ 7011.963876][ T72] fib6_rule_lookup+0x456/0x630 [ 7011.963876][ T72] ip6_route_input+0x59c/0xa50 [ 7011.963876][ T72] ipv6_rcv+0x397/0x810 [ 7011.963876][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7011.963876][ T72] process_backlog+0x101/0x620 [ 7011.963876][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7011.963876][ T72] net_rx_action+0x495/0xbe0 [ 7011.963876][ T72] __do_softirq+0x1b5/0x7f6 [ 7011.963876][ T72] [ 7011.965456][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7011.965456][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.965456][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.965456][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.965456][ T72] ip6_route_add+0x1c/0x140 [ 7011.965456][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7011.965456][ T72] inet6_addr_add+0x4f8/0xa40 [ 7011.965456][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.965456][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.965456][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.965456][ T72] netlink_unicast+0x449/0x710 [ 7011.965456][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.965456][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.965456][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.965456][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.965456][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.965456][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.965456][ T72] [ 7011.967485][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7011.967485][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.967485][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.967485][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.967485][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7011.967485][ T72] ipv6_add_addr+0x411/0x2000 [ 7011.967485][ T72] inet6_addr_add+0x30e/0xa40 [ 7011.967485][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.967485][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.967485][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.967485][ T72] netlink_unicast+0x449/0x710 [ 7011.967485][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.967485][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.967485][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.967485][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.967485][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.967485][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.967485][ T72] [ 7011.969495][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7011.969495][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.969495][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.969495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.969495][ T72] ip6_route_add+0x1c/0x140 [ 7011.969495][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7011.969495][ T72] addrconf_add_dev+0xe2/0x170 [ 7011.969495][ T72] inet6_addr_add+0x12f/0xa40 [ 7011.969495][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.969495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.969495][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.969495][ T72] netlink_unicast+0x449/0x710 [ 7011.969495][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.969495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.969495][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.969495][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.969495][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.969495][ T72] [ 7011.971334][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7011.971334][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7011.971334][ T72] ipv6_find_idev+0x102/0x170 [ 7011.971334][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.971334][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.971334][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.971334][ T72] netlink_unicast+0x449/0x710 [ 7011.971334][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.971334][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.971334][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.971334][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.971334][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.971334][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.971334][ T72] [ 7011.972769][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7011.972769][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7011.972769][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7011.972769][ T72] ipv6_find_idev+0x102/0x170 [ 7011.972769][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.972769][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.972769][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.972769][ T72] netlink_unicast+0x449/0x710 [ 7011.972769][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.972769][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.972769][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.972769][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.972769][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.972769][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.972769][ T72] [ 7011.974363][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7011.974623][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7011.974623][ T72] dst_init+0x84/0x4a0 [ 7011.974623][ T72] dst_alloc+0x97/0x150 [ 7011.974623][ T72] ip6_dst_alloc+0x23/0x90 [ 7011.974623][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7011.974623][ T72] ip6_pol_route+0x56f/0x840 [ 7011.974623][ T72] fib6_rule_lookup+0x456/0x630 [ 7011.974623][ T72] ip6_route_input+0x59c/0xa50 [ 7011.974623][ T72] ipv6_rcv+0x397/0x810 [ 7011.974623][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7011.974623][ T72] process_backlog+0x101/0x620 [ 7011.974623][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7011.974623][ T72] net_rx_action+0x495/0xbe0 [ 7011.974623][ T72] __do_softirq+0x1b5/0x7f6 [ 7011.974623][ T72] [ 7011.976170][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7011.976170][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.976170][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.976170][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.976170][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7011.976170][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7011.976170][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7011.976170][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7011.976170][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7011.976170][ T72] addrconf_dad_begin+0x310/0x670 [ 7011.976170][ T72] addrconf_dad_work+0x10b/0xab0 [ 7011.976170][ T72] process_one_work+0x84d/0x18a0 [ 7011.976170][ T72] worker_thread+0x587/0xd30 [ 7011.976170][ T72] kthread+0x28a/0x350 [ 7011.976170][ T72] ret_from_fork+0x31/0x70 [ 7011.976170][ T72] ret_from_fork_asm+0x1a/0x30 [ 7011.976170][ T72] [ 7011.978717][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7011.978717][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.978717][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.978717][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.978717][ T72] ip6_route_add+0x1c/0x140 [ 7011.978717][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7011.978717][ T72] inet6_addr_add+0x4f8/0xa40 [ 7011.978717][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.978717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.978717][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.978717][ T72] netlink_unicast+0x449/0x710 [ 7011.978717][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.978717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.978717][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.978717][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.978717][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.978717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.978717][ T72] [ 7011.980746][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7011.980746][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.980746][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.980746][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.980746][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7011.980746][ T72] ipv6_add_addr+0x411/0x2000 [ 7011.980746][ T72] inet6_addr_add+0x30e/0xa40 [ 7011.980746][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.980746][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.980746][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.980746][ T72] netlink_unicast+0x449/0x710 [ 7011.980746][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.980746][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.980746][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.980746][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.980746][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.980746][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.980746][ T72] [ 7011.982704][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7011.982704][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.982704][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.982704][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.982704][ T72] ip6_route_add+0x1c/0x140 [ 7011.982704][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7011.982704][ T72] addrconf_add_dev+0xe2/0x170 [ 7011.982704][ T72] inet6_addr_add+0x12f/0xa40 [ 7011.982704][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.982704][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.982704][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.982704][ T72] netlink_unicast+0x449/0x710 [ 7011.982704][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.982704][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.982704][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.982704][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.982704][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.982704][ T72] [ 7011.984678][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7011.984678][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7011.984678][ T72] ipv6_find_idev+0x102/0x170 [ 7011.984678][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.984678][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.984678][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.984678][ T72] netlink_unicast+0x449/0x710 [ 7011.984678][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.984678][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.984678][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.984678][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.984678][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.984678][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.984678][ T72] [ 7011.986235][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7011.986235][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7011.986235][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7011.986235][ T72] ipv6_find_idev+0x102/0x170 [ 7011.986235][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.986235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.986235][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.986235][ T72] netlink_unicast+0x449/0x710 [ 7011.986235][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.986235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.986235][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.986235][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.986235][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.986235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.986235][ T72] [ 7011.988065][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7011.988339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7011.988339][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7011.988339][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7011.988339][ T72] fib6_nh_init+0xa22/0x1580 [ 7011.988339][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.988339][ T72] ip6_route_add+0x1c/0x140 [ 7011.988339][ T72] inet6_rtm_newroute+0x104/0x110 [ 7011.988339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.988339][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.988339][ T72] netlink_unicast+0x449/0x710 [ 7011.988339][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.988339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.988339][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.988339][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.988339][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.988339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.988339][ T72] [ 7011.990509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7011.990509][ T72] dst_init+0x84/0x4a0 [ 7011.990509][ T72] dst_alloc+0x97/0x150 [ 7011.990509][ T72] ip6_dst_alloc+0x23/0x90 [ 7011.990509][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7011.990509][ T72] ip6_pol_route+0x56f/0x840 [ 7011.990509][ T72] fib6_rule_lookup+0x456/0x630 [ 7011.990509][ T72] ip6_route_input+0x59c/0xa50 [ 7011.990509][ T72] ipv6_rcv+0x397/0x810 [ 7011.990509][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7011.990509][ T72] process_backlog+0x101/0x620 [ 7011.990509][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7011.990509][ T72] net_rx_action+0x495/0xbe0 [ 7011.990509][ T72] __do_softirq+0x1b5/0x7f6 [ 7011.990509][ T72] [ 7011.992303][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7011.992303][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.992303][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.992303][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.992303][ T72] ip6_route_add+0x1c/0x140 [ 7011.992303][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7011.992303][ T72] inet6_addr_add+0x4f8/0xa40 [ 7011.992303][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.992303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.992303][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.992303][ T72] netlink_unicast+0x449/0x710 [ 7011.992303][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.992303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.992303][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.992303][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.992303][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.992303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.992303][ T72] [ 7011.994504][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7011.994504][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.994504][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.994504][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.994504][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7011.994504][ T72] ipv6_add_addr+0x411/0x2000 [ 7011.994504][ T72] inet6_addr_add+0x30e/0xa40 [ 7011.994504][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.994504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.994504][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.994504][ T72] netlink_unicast+0x449/0x710 [ 7011.994504][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.994504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.994504][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.994504][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.994504][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.994504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.994504][ T72] [ 7011.996744][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7011.996744][ T72] netdev_get_by_index+0x5e/0x80 [ 7011.996744][ T72] fib6_nh_init+0x3d8/0x1580 [ 7011.996744][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7011.996744][ T72] ip6_route_add+0x1c/0x140 [ 7011.996744][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7011.996744][ T72] addrconf_add_dev+0xe2/0x170 [ 7011.996744][ T72] inet6_addr_add+0x12f/0xa40 [ 7011.996744][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7011.996744][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.996744][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.996744][ T72] netlink_unicast+0x449/0x710 [ 7011.996744][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.996744][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.996744][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.996744][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.996744][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.996744][ T72] [ 7011.998982][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7011.998982][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7011.998982][ T72] ipv6_find_idev+0x102/0x170 [ 7011.998982][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7011.998982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7011.998982][ T72] netlink_rcv_skb+0x130/0x360 [ 7011.998982][ T72] netlink_unicast+0x449/0x710 [ 7011.998982][ T72] netlink_sendmsg+0x723/0xbe0 [ 7011.998982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7011.998982][ T72] ___sys_sendmsg+0xee/0x170 [ 7011.998982][ T72] __sys_sendmsg+0xcd/0x170 [ 7011.998982][ T72] do_syscall_64+0xc6/0x1e0 [ 7011.998982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7011.998982][ T72] [ 7012.000718][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7012.000718][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7012.000718][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7012.000718][ T72] ipv6_find_idev+0x102/0x170 [ 7012.000718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7012.000718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7012.000718][ T72] netlink_rcv_skb+0x130/0x360 [ 7012.000718][ T72] netlink_unicast+0x449/0x710 [ 7012.000718][ T72] netlink_sendmsg+0x723/0xbe0 [ 7012.000718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7012.000718][ T72] ___sys_sendmsg+0xee/0x170 [ 7012.000718][ T72] __sys_sendmsg+0xcd/0x170 [ 7012.000718][ T72] do_syscall_64+0xc6/0x1e0 [ 7012.000718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7012.000718][ T72] [ 7012.002592][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7012.002902][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7012.002902][ T72] netdev_get_by_index+0x5e/0x80 [ 7012.002902][ T72] fib6_nh_init+0x3d8/0x1580 [ 7012.002902][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7012.002902][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7012.002902][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7012.002902][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7012.002902][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7012.002902][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7012.002902][ T72] addrconf_dad_begin+0x310/0x670 [ 7012.002902][ T72] addrconf_dad_work+0x10b/0xab0 [ 7012.002902][ T72] process_one_work+0x84d/0x18a0 [ 7012.002902][ T72] worker_thread+0x587/0xd30 [ 7012.002902][ T72] kthread+0x28a/0x350 [ 7012.002902][ T72] ret_from_fork+0x31/0x70 [ 7012.002902][ T72] ret_from_fork_asm+0x1a/0x30 [ 7012.002902][ T72] [ 7012.005044][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7012.005044][ T72] netdev_get_by_index+0x5e/0x80 [ 7012.005044][ T72] fib6_nh_init+0x3d8/0x1580 [ 7012.005044][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7012.005044][ T72] ip6_route_add+0x1c/0x140 [ 7012.005044][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7012.005044][ T72] inet6_addr_add+0x4f8/0xa40 [ 7012.005044][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7012.005044][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7012.005044][ T72] netlink_rcv_skb+0x130/0x360 [ 7012.005044][ T72] netlink_unicast+0x449/0x710 [ 7012.005044][ T72] netlink_sendmsg+0x723/0xbe0 [ 7012.005044][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7012.005044][ T72] ___sys_sendmsg+0xee/0x170 [ 7012.005044][ T72] __sys_sendmsg+0xcd/0x170 [ 7012.005044][ T72] do_syscall_64+0xc6/0x1e0 [ 7012.005044][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7012.005044][ T72] [ 7012.007292][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7012.007292][ T72] netdev_get_by_index+0x5e/0x80 [ 7012.007292][ T72] fib6_nh_init+0x3d8/0x1580 [ 7012.007292][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7012.007292][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7012.007292][ T72] ipv6_add_addr+0x411/0x2000 [ 7012.007292][ T72] inet6_addr_add+0x30e/0xa40 [ 7012.007292][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7012.007292][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7012.007292][ T72] netlink_rcv_skb+0x130/0x360 [ 7012.007292][ T72] netlink_unicast+0x449/0x710 [ 7012.007292][ T72] netlink_sendmsg+0x723/0xbe0 [ 7012.007292][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7012.007292][ T72] ___sys_sendmsg+0xee/0x170 [ 7012.007292][ T72] __sys_sendmsg+0xcd/0x170 [ 7012.007292][ T72] do_syscall_64+0xc6/0x1e0 [ 7012.007292][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7012.007292][ T72] [ 7012.009569][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7012.009569][ T72] netdev_get_by_index+0x5e/0x80 [ 7012.009569][ T72] fib6_nh_init+0x3d8/0x1580 [ 7012.009569][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7012.009569][ T72] ip6_route_add+0x1c/0x140 [ 7012.009569][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7012.009569][ T72] addrconf_add_dev+0xe2/0x170 [ 7012.009569][ T72] inet6_addr_add+0x12f/0xa40 [ 7012.009569][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7012.009569][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7012.009569][ T72] netlink_rcv_skb+0x130/0x360 [ 7012.009569][ T72] netlink_unicast+0x449/0x710 [ 7012.009569][ T72] netlink_sendmsg+0x723/0xbe0 [ 7012.009569][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7012.009569][ T72] ___sys_sendmsg+0xee/0x170 [ 7012.009569][ T72] __sys_sendmsg+0xcd/0x170 [ 7012.009569][ T72] do_syscall_64+0xc6/0x1e0 [ 7012.009569][ T72] [ 7012.011687][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7012.011687][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7012.011687][ T72] ipv6_find_idev+0x102/0x170 [ 7012.011687][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7012.011687][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7012.011687][ T72] netlink_rcv_skb+0x130/0x360 [ 7012.011687][ T72] netlink_unicast+0x449/0x710 [ 7012.011687][ T72] netlink_sendmsg+0x723/0xbe0 [ 7012.011687][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7012.011687][ T72] ___sys_sendmsg+0xee/0x170 [ 7012.011687][ T72] __sys_sendmsg+0xcd/0x170 [ 7012.011687][ T72] do_syscall_64+0xc6/0x1e0 [ 7012.011687][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7012.011687][ T72] [ 7012.013396][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7012.013396][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7012.013396][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7012.013396][ T72] ipv6_find_idev+0x102/0x170 [ 7012.013396][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7012.013396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7012.013396][ T72] netlink_rcv_skb+0x130/0x360 [ 7012.013396][ T72] netlink_unicast+0x449/0x710 [ 7012.013396][ T72] netlink_sendmsg+0x723/0xbe0 [ 7012.013396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7012.013396][ T72] ___sys_sendmsg+0xee/0x170 [ 7012.013396][ T72] __sys_sendmsg+0xcd/0x170 [ 7012.013396][ T72] do_syscall_64+0xc6/0x1e0 [ 7012.013396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7012.013396][ T72] [ 7022.145004][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7022.145739][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7022.145739][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7022.145739][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7022.145739][ T72] fib6_nh_init+0xa22/0x1580 [ 7022.145739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.145739][ T72] ip6_route_add+0x1c/0x140 [ 7022.145739][ T72] inet6_rtm_newroute+0x104/0x110 [ 7022.145739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.145739][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.145739][ T72] netlink_unicast+0x449/0x710 [ 7022.145739][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.145739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.145739][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.145739][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.145739][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.145739][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.145739][ T72] [ 7022.147583][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7022.147583][ T72] dst_init+0x84/0x4a0 [ 7022.147583][ T72] dst_alloc+0x97/0x150 [ 7022.147583][ T72] ip6_dst_alloc+0x23/0x90 [ 7022.147583][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7022.147583][ T72] ip6_pol_route+0x56f/0x840 [ 7022.147583][ T72] fib6_rule_lookup+0x456/0x630 [ 7022.147583][ T72] ip6_route_input+0x59c/0xa50 [ 7022.147583][ T72] ipv6_rcv+0x397/0x810 [ 7022.147583][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7022.147583][ T72] process_backlog+0x101/0x620 [ 7022.147583][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7022.147583][ T72] net_rx_action+0x495/0xbe0 [ 7022.147583][ T72] __do_softirq+0x1b5/0x7f6 [ 7022.147583][ T72] [ 7022.149206][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7022.149206][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.149206][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.149206][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.149206][ T72] ip6_route_add+0x1c/0x140 [ 7022.149206][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7022.149206][ T72] inet6_addr_add+0x4f8/0xa40 [ 7022.149206][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.149206][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.149206][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.149206][ T72] netlink_unicast+0x449/0x710 [ 7022.149206][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.149206][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.149206][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.149206][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.149206][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.149206][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.149206][ T72] [ 7022.151093][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7022.151093][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.151093][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.151093][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.151093][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7022.151093][ T72] ipv6_add_addr+0x411/0x2000 [ 7022.151093][ T72] inet6_addr_add+0x30e/0xa40 [ 7022.151093][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.151093][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.151093][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.151093][ T72] netlink_unicast+0x449/0x710 [ 7022.151093][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.151093][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.151093][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.151093][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.151093][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.151093][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.151093][ T72] [ 7022.152954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7022.152954][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.152954][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.152954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.152954][ T72] ip6_route_add+0x1c/0x140 [ 7022.152954][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7022.152954][ T72] addrconf_add_dev+0xe2/0x170 [ 7022.152954][ T72] inet6_addr_add+0x12f/0xa40 [ 7022.152954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.152954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.152954][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.152954][ T72] netlink_unicast+0x449/0x710 [ 7022.152954][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.152954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.152954][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.152954][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.152954][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.152954][ T72] [ 7022.154797][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7022.154797][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7022.154797][ T72] ipv6_find_idev+0x102/0x170 [ 7022.154797][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7022.154797][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.154797][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.154797][ T72] netlink_unicast+0x449/0x710 [ 7022.154797][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.154797][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.154797][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.154797][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.154797][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.154797][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.154797][ T72] [ 7022.156232][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7022.156232][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7022.156232][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7022.156232][ T72] ipv6_find_idev+0x102/0x170 [ 7022.156232][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7022.156232][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.156232][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.156232][ T72] netlink_unicast+0x449/0x710 [ 7022.156232][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.156232][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.156232][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.156232][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.156232][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.156232][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.156232][ T72] [ 7022.157855][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7022.158158][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7022.158158][ T72] dst_init+0x84/0x4a0 [ 7022.158158][ T72] dst_alloc+0x97/0x150 [ 7022.158158][ T72] ip6_dst_alloc+0x23/0x90 [ 7022.158158][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7022.158158][ T72] ip6_pol_route+0x56f/0x840 [ 7022.158158][ T72] fib6_rule_lookup+0x456/0x630 [ 7022.158158][ T72] ip6_route_input+0x59c/0xa50 [ 7022.158158][ T72] ipv6_rcv+0x397/0x810 [ 7022.158158][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7022.158158][ T72] process_backlog+0x101/0x620 [ 7022.158158][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7022.158158][ T72] net_rx_action+0x495/0xbe0 [ 7022.158158][ T72] __do_softirq+0x1b5/0x7f6 [ 7022.158158][ T72] [ 7022.159779][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7022.159779][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.159779][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.159779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.159779][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7022.159779][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7022.159779][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7022.159779][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7022.159779][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7022.159779][ T72] addrconf_dad_begin+0x310/0x670 [ 7022.159779][ T72] addrconf_dad_work+0x10b/0xab0 [ 7022.159779][ T72] process_one_work+0x84d/0x18a0 [ 7022.159779][ T72] worker_thread+0x587/0xd30 [ 7022.159779][ T72] kthread+0x28a/0x350 [ 7022.159779][ T72] ret_from_fork+0x31/0x70 [ 7022.159779][ T72] ret_from_fork_asm+0x1a/0x30 [ 7022.159779][ T72] [ 7022.161620][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7022.161620][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.161620][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.161620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.161620][ T72] ip6_route_add+0x1c/0x140 [ 7022.161620][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7022.161620][ T72] inet6_addr_add+0x4f8/0xa40 [ 7022.161620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.161620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.161620][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.161620][ T72] netlink_unicast+0x449/0x710 [ 7022.161620][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.161620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.161620][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.161620][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.161620][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.161620][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.161620][ T72] [ 7022.163574][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7022.163574][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.163574][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.163574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.163574][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7022.163574][ T72] ipv6_add_addr+0x411/0x2000 [ 7022.163574][ T72] inet6_addr_add+0x30e/0xa40 [ 7022.163574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.163574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.163574][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.163574][ T72] netlink_unicast+0x449/0x710 [ 7022.163574][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.163574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.163574][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.163574][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.163574][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.163574][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.163574][ T72] [ 7022.165574][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7022.165574][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.165574][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.165574][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.165574][ T72] ip6_route_add+0x1c/0x140 [ 7022.165574][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7022.165574][ T72] addrconf_add_dev+0xe2/0x170 [ 7022.165574][ T72] inet6_addr_add+0x12f/0xa40 [ 7022.165574][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.165574][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.165574][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.165574][ T72] netlink_unicast+0x449/0x710 [ 7022.165574][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.165574][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.165574][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.165574][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.165574][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.165574][ T72] [ 7022.167580][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7022.167580][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7022.167580][ T72] ipv6_find_idev+0x102/0x170 [ 7022.167580][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7022.167580][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.167580][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.167580][ T72] netlink_unicast+0x449/0x710 [ 7022.167580][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.167580][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.167580][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.167580][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.167580][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.167580][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.167580][ T72] [ 7022.169140][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7022.169140][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7022.169140][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7022.169140][ T72] ipv6_find_idev+0x102/0x170 [ 7022.169140][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7022.169140][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.169140][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.169140][ T72] netlink_unicast+0x449/0x710 [ 7022.169140][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.169140][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.169140][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.169140][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.169140][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.169140][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.169140][ T72] [ 7022.170955][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7022.171236][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7022.171236][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7022.171236][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7022.171236][ T72] fib6_nh_init+0xa22/0x1580 [ 7022.171236][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.171236][ T72] ip6_route_add+0x1c/0x140 [ 7022.171236][ T72] inet6_rtm_newroute+0x104/0x110 [ 7022.171236][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.171236][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.171236][ T72] netlink_unicast+0x449/0x710 [ 7022.171236][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.171236][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.171236][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.171236][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.171236][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.171236][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.171236][ T72] [ 7022.173466][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7022.173466][ T72] dst_init+0x84/0x4a0 [ 7022.173466][ T72] dst_alloc+0x97/0x150 [ 7022.173466][ T72] ip6_dst_alloc+0x23/0x90 [ 7022.173466][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7022.173466][ T72] ip6_pol_route+0x56f/0x840 [ 7022.173466][ T72] fib6_rule_lookup+0x456/0x630 [ 7022.173466][ T72] ip6_route_input+0x59c/0xa50 [ 7022.173466][ T72] ipv6_rcv+0x397/0x810 [ 7022.173466][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7022.173466][ T72] process_backlog+0x101/0x620 [ 7022.173466][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7022.173466][ T72] net_rx_action+0x495/0xbe0 [ 7022.173466][ T72] __do_softirq+0x1b5/0x7f6 [ 7022.173466][ T72] [ 7022.175279][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7022.175279][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.175279][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.175279][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.175279][ T72] ip6_route_add+0x1c/0x140 [ 7022.175279][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7022.175279][ T72] inet6_addr_add+0x4f8/0xa40 [ 7022.175279][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.175279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.175279][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.175279][ T72] netlink_unicast+0x449/0x710 [ 7022.175279][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.175279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.175279][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.175279][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.175279][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.175279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.175279][ T72] [ 7022.177477][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7022.177477][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.177477][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.177477][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.177477][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7022.177477][ T72] ipv6_add_addr+0x411/0x2000 [ 7022.177477][ T72] inet6_addr_add+0x30e/0xa40 [ 7022.177477][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.177477][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.177477][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.177477][ T72] netlink_unicast+0x449/0x710 [ 7022.177477][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.177477][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.177477][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.177477][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.177477][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.177477][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.177477][ T72] [ 7022.179709][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7022.179709][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.179709][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.179709][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.179709][ T72] ip6_route_add+0x1c/0x140 [ 7022.179709][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7022.179709][ T72] addrconf_add_dev+0xe2/0x170 [ 7022.179709][ T72] inet6_addr_add+0x12f/0xa40 [ 7022.179709][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.179709][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.179709][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.179709][ T72] netlink_unicast+0x449/0x710 [ 7022.179709][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.179709][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.179709][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.179709][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.179709][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.179709][ T72] [ 7022.181997][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7022.181997][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7022.181997][ T72] ipv6_find_idev+0x102/0x170 [ 7022.181997][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7022.181997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.181997][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.181997][ T72] netlink_unicast+0x449/0x710 [ 7022.181997][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.181997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.181997][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.181997][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.181997][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.181997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.181997][ T72] [ 7022.183745][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7022.183745][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7022.183745][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7022.183745][ T72] ipv6_find_idev+0x102/0x170 [ 7022.183745][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7022.183745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.183745][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.183745][ T72] netlink_unicast+0x449/0x710 [ 7022.183745][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.183745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.183745][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.183745][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.183745][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.183745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.183745][ T72] [ 7022.185604][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7022.186061][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7022.186061][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.186061][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.186061][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.186061][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7022.186061][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7022.186061][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7022.186061][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7022.186061][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7022.186061][ T72] addrconf_dad_begin+0x310/0x670 [ 7022.186061][ T72] addrconf_dad_work+0x10b/0xab0 [ 7022.186061][ T72] process_one_work+0x84d/0x18a0 [ 7022.186061][ T72] worker_thread+0x587/0xd30 [ 7022.186061][ T72] kthread+0x28a/0x350 [ 7022.186061][ T72] ret_from_fork+0x31/0x70 [ 7022.186061][ T72] ret_from_fork_asm+0x1a/0x30 [ 7022.186061][ T72] [ 7022.188184][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7022.188184][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.188184][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.188184][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.188184][ T72] ip6_route_add+0x1c/0x140 [ 7022.188184][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7022.188184][ T72] inet6_addr_add+0x4f8/0xa40 [ 7022.188184][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.188184][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.188184][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.188184][ T72] netlink_unicast+0x449/0x710 [ 7022.188184][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.188184][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.188184][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.188184][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.188184][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.188184][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.188184][ T72] [ 7022.190388][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7022.190388][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.190388][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.190388][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.190388][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7022.190388][ T72] ipv6_add_addr+0x411/0x2000 [ 7022.190388][ T72] inet6_addr_add+0x30e/0xa40 [ 7022.190388][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.190388][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.190388][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.190388][ T72] netlink_unicast+0x449/0x710 [ 7022.190388][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.190388][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.190388][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.190388][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.190388][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.190388][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.190388][ T72] [ 7022.192597][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7022.192597][ T72] netdev_get_by_index+0x5e/0x80 [ 7022.192597][ T72] fib6_nh_init+0x3d8/0x1580 [ 7022.192597][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7022.192597][ T72] ip6_route_add+0x1c/0x140 [ 7022.192597][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7022.192597][ T72] addrconf_add_dev+0xe2/0x170 [ 7022.192597][ T72] inet6_addr_add+0x12f/0xa40 [ 7022.192597][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7022.192597][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.192597][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.192597][ T72] netlink_unicast+0x449/0x710 [ 7022.192597][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.192597][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.192597][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.192597][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.192597][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.192597][ T72] [ 7022.194799][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7022.194799][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7022.194799][ T72] ipv6_find_idev+0x102/0x170 [ 7022.194799][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7022.194799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.194799][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.194799][ T72] netlink_unicast+0x449/0x710 [ 7022.194799][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.194799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.194799][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.194799][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.194799][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.194799][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.194799][ T72] [ 7022.196522][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7022.196522][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7022.196522][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7022.196522][ T72] ipv6_find_idev+0x102/0x170 [ 7022.196522][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7022.196522][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7022.196522][ T72] netlink_rcv_skb+0x130/0x360 [ 7022.196522][ T72] netlink_unicast+0x449/0x710 [ 7022.196522][ T72] netlink_sendmsg+0x723/0xbe0 [ 7022.196522][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7022.196522][ T72] ___sys_sendmsg+0xee/0x170 [ 7022.196522][ T72] __sys_sendmsg+0xcd/0x170 [ 7022.196522][ T72] do_syscall_64+0xc6/0x1e0 [ 7022.196522][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7022.196522][ T72] [ 7032.448984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7032.449795][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7032.449795][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7032.449795][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7032.449795][ T72] fib6_nh_init+0xa22/0x1580 [ 7032.449795][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.449795][ T72] ip6_route_add+0x1c/0x140 [ 7032.449795][ T72] inet6_rtm_newroute+0x104/0x110 [ 7032.449795][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.449795][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.449795][ T72] netlink_unicast+0x449/0x710 [ 7032.449795][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.449795][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.449795][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.449795][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.449795][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.449795][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.449795][ T72] [ 7032.451566][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7032.451566][ T72] dst_init+0x84/0x4a0 [ 7032.451566][ T72] dst_alloc+0x97/0x150 [ 7032.451566][ T72] ip6_dst_alloc+0x23/0x90 [ 7032.451566][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7032.451566][ T72] ip6_pol_route+0x56f/0x840 [ 7032.451566][ T72] fib6_rule_lookup+0x456/0x630 [ 7032.451566][ T72] ip6_route_input+0x59c/0xa50 [ 7032.451566][ T72] ipv6_rcv+0x397/0x810 [ 7032.451566][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7032.451566][ T72] process_backlog+0x101/0x620 [ 7032.451566][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7032.451566][ T72] net_rx_action+0x495/0xbe0 [ 7032.451566][ T72] __do_softirq+0x1b5/0x7f6 [ 7032.451566][ T72] [ 7032.453121][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7032.453121][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.453121][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.453121][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.453121][ T72] ip6_route_add+0x1c/0x140 [ 7032.453121][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7032.453121][ T72] inet6_addr_add+0x4f8/0xa40 [ 7032.453121][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.453121][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.453121][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.453121][ T72] netlink_unicast+0x449/0x710 [ 7032.453121][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.453121][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.453121][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.453121][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.453121][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.453121][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.453121][ T72] [ 7032.455087][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7032.455087][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.455087][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.455087][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.455087][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7032.455087][ T72] ipv6_add_addr+0x411/0x2000 [ 7032.455087][ T72] inet6_addr_add+0x30e/0xa40 [ 7032.455087][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.455087][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.455087][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.455087][ T72] netlink_unicast+0x449/0x710 [ 7032.455087][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.455087][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.455087][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.455087][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.455087][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.455087][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.455087][ T72] [ 7032.457108][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7032.457108][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.457108][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.457108][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.457108][ T72] ip6_route_add+0x1c/0x140 [ 7032.457108][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7032.457108][ T72] addrconf_add_dev+0xe2/0x170 [ 7032.457108][ T72] inet6_addr_add+0x12f/0xa40 [ 7032.457108][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.457108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.457108][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.457108][ T72] netlink_unicast+0x449/0x710 [ 7032.457108][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.457108][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.457108][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.457108][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.457108][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.457108][ T72] [ 7032.459019][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7032.459019][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7032.459019][ T72] ipv6_find_idev+0x102/0x170 [ 7032.459019][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7032.459019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.459019][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.459019][ T72] netlink_unicast+0x449/0x710 [ 7032.459019][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.459019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.459019][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.459019][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.459019][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.459019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.459019][ T72] [ 7032.460525][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7032.460525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7032.460525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7032.460525][ T72] ipv6_find_idev+0x102/0x170 [ 7032.460525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7032.460525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.460525][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.460525][ T72] netlink_unicast+0x449/0x710 [ 7032.460525][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.460525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.460525][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.460525][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.460525][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.460525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.460525][ T72] [ 7032.462221][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7032.462504][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7032.462504][ T72] dst_init+0x84/0x4a0 [ 7032.462504][ T72] dst_alloc+0x97/0x150 [ 7032.462504][ T72] ip6_dst_alloc+0x23/0x90 [ 7032.462504][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7032.462504][ T72] ip6_pol_route+0x56f/0x840 [ 7032.462504][ T72] fib6_rule_lookup+0x456/0x630 [ 7032.462504][ T72] ip6_route_input+0x59c/0xa50 [ 7032.462504][ T72] ipv6_rcv+0x397/0x810 [ 7032.462504][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7032.462504][ T72] process_backlog+0x101/0x620 [ 7032.462504][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7032.462504][ T72] net_rx_action+0x495/0xbe0 [ 7032.462504][ T72] __do_softirq+0x1b5/0x7f6 [ 7032.462504][ T72] [ 7032.464171][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7032.464171][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.464171][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.464171][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.464171][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7032.464171][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7032.464171][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7032.464171][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7032.464171][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7032.464171][ T72] addrconf_dad_begin+0x310/0x670 [ 7032.464171][ T72] addrconf_dad_work+0x10b/0xab0 [ 7032.464171][ T72] process_one_work+0x84d/0x18a0 [ 7032.464171][ T72] worker_thread+0x587/0xd30 [ 7032.464171][ T72] kthread+0x28a/0x350 [ 7032.464171][ T72] ret_from_fork+0x31/0x70 [ 7032.464171][ T72] ret_from_fork_asm+0x1a/0x30 [ 7032.464171][ T72] [ 7032.466094][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7032.466094][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.466094][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.466094][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.466094][ T72] ip6_route_add+0x1c/0x140 [ 7032.466094][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7032.466094][ T72] inet6_addr_add+0x4f8/0xa40 [ 7032.466094][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.466094][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.466094][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.466094][ T72] netlink_unicast+0x449/0x710 [ 7032.466094][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.466094][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.466094][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.466094][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.466094][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.466094][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.466094][ T72] [ 7032.468095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7032.468095][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.468095][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.468095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.468095][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7032.468095][ T72] ipv6_add_addr+0x411/0x2000 [ 7032.468095][ T72] inet6_addr_add+0x30e/0xa40 [ 7032.468095][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.468095][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.468095][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.468095][ T72] netlink_unicast+0x449/0x710 [ 7032.468095][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.468095][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.468095][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.468095][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.468095][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.468095][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.468095][ T72] [ 7032.470082][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7032.470082][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.470082][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.470082][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.470082][ T72] ip6_route_add+0x1c/0x140 [ 7032.470082][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7032.470082][ T72] addrconf_add_dev+0xe2/0x170 [ 7032.470082][ T72] inet6_addr_add+0x12f/0xa40 [ 7032.470082][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.470082][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.470082][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.470082][ T72] netlink_unicast+0x449/0x710 [ 7032.470082][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.470082][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.470082][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.470082][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.470082][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.470082][ T72] [ 7032.472060][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7032.472060][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7032.472060][ T72] ipv6_find_idev+0x102/0x170 [ 7032.472060][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7032.472060][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.472060][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.472060][ T72] netlink_unicast+0x449/0x710 [ 7032.472060][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.472060][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.472060][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.472060][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.472060][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.472060][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.472060][ T72] [ 7032.473637][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7032.473637][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7032.473637][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7032.473637][ T72] ipv6_find_idev+0x102/0x170 [ 7032.473637][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7032.473637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.473637][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.473637][ T72] netlink_unicast+0x449/0x710 [ 7032.473637][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.473637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.473637][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.473637][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.473637][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.473637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.473637][ T72] [ 7032.475449][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7032.475745][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7032.475745][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7032.475745][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7032.475745][ T72] fib6_nh_init+0xa22/0x1580 [ 7032.475745][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.475745][ T72] ip6_route_add+0x1c/0x140 [ 7032.475745][ T72] inet6_rtm_newroute+0x104/0x110 [ 7032.475745][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.475745][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.475745][ T72] netlink_unicast+0x449/0x710 [ 7032.475745][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.475745][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.475745][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.475745][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.475745][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.475745][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.475745][ T72] [ 7032.477811][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7032.477811][ T72] dst_init+0x84/0x4a0 [ 7032.477811][ T72] dst_alloc+0x97/0x150 [ 7032.477811][ T72] ip6_dst_alloc+0x23/0x90 [ 7032.477811][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7032.477811][ T72] ip6_pol_route+0x56f/0x840 [ 7032.477811][ T72] fib6_rule_lookup+0x456/0x630 [ 7032.477811][ T72] ip6_route_input+0x59c/0xa50 [ 7032.477811][ T72] ipv6_rcv+0x397/0x810 [ 7032.477811][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7032.477811][ T72] process_backlog+0x101/0x620 [ 7032.477811][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7032.477811][ T72] net_rx_action+0x495/0xbe0 [ 7032.477811][ T72] __do_softirq+0x1b5/0x7f6 [ 7032.477811][ T72] [ 7032.479685][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7032.479685][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.479685][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.479685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.479685][ T72] ip6_route_add+0x1c/0x140 [ 7032.479685][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7032.479685][ T72] inet6_addr_add+0x4f8/0xa40 [ 7032.479685][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.479685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.479685][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.479685][ T72] netlink_unicast+0x449/0x710 [ 7032.479685][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.479685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.479685][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.479685][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.479685][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.479685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.479685][ T72] [ 7032.481955][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7032.481955][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.481955][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.481955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.481955][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7032.481955][ T72] ipv6_add_addr+0x411/0x2000 [ 7032.481955][ T72] inet6_addr_add+0x30e/0xa40 [ 7032.481955][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.481955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.481955][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.481955][ T72] netlink_unicast+0x449/0x710 [ 7032.481955][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.481955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.481955][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.481955][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.481955][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.481955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.481955][ T72] [ 7032.484234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7032.484234][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.484234][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.484234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.484234][ T72] ip6_route_add+0x1c/0x140 [ 7032.484234][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7032.484234][ T72] addrconf_add_dev+0xe2/0x170 [ 7032.484234][ T72] inet6_addr_add+0x12f/0xa40 [ 7032.484234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.484234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.484234][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.484234][ T72] netlink_unicast+0x449/0x710 [ 7032.484234][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.484234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.484234][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.484234][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.484234][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.484234][ T72] [ 7032.486455][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7032.486455][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7032.486455][ T72] ipv6_find_idev+0x102/0x170 [ 7032.486455][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7032.486455][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.486455][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.486455][ T72] netlink_unicast+0x449/0x710 [ 7032.486455][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.486455][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.486455][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.486455][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.486455][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.486455][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.486455][ T72] [ 7032.488159][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7032.488159][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7032.488159][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7032.488159][ T72] ipv6_find_idev+0x102/0x170 [ 7032.488159][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7032.488159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.488159][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.488159][ T72] netlink_unicast+0x449/0x710 [ 7032.488159][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.488159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.488159][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.488159][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.488159][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.488159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.488159][ T72] [ 7032.490022][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7032.490373][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7032.490373][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.490373][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.490373][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.490373][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7032.490373][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7032.490373][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7032.490373][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7032.490373][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7032.490373][ T72] addrconf_dad_begin+0x310/0x670 [ 7032.490373][ T72] addrconf_dad_work+0x10b/0xab0 [ 7032.490373][ T72] process_one_work+0x84d/0x18a0 [ 7032.490373][ T72] worker_thread+0x587/0xd30 [ 7032.490373][ T72] kthread+0x28a/0x350 [ 7032.490373][ T72] ret_from_fork+0x31/0x70 [ 7032.490373][ T72] ret_from_fork_asm+0x1a/0x30 [ 7032.490373][ T72] [ 7032.493091][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7032.493091][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.493091][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.493091][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.493091][ T72] ip6_route_add+0x1c/0x140 [ 7032.493091][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7032.493091][ T72] inet6_addr_add+0x4f8/0xa40 [ 7032.493091][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.493091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.493091][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.493091][ T72] netlink_unicast+0x449/0x710 [ 7032.493091][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.493091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.493091][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.493091][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.493091][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.493091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.493091][ T72] [ 7032.495289][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7032.495289][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.495289][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.495289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.495289][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7032.495289][ T72] ipv6_add_addr+0x411/0x2000 [ 7032.495289][ T72] inet6_addr_add+0x30e/0xa40 [ 7032.495289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.495289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.495289][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.495289][ T72] netlink_unicast+0x449/0x710 [ 7032.495289][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.495289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.495289][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.495289][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.495289][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.495289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.495289][ T72] [ 7032.497546][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7032.497546][ T72] netdev_get_by_index+0x5e/0x80 [ 7032.497546][ T72] fib6_nh_init+0x3d8/0x1580 [ 7032.497546][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7032.497546][ T72] ip6_route_add+0x1c/0x140 [ 7032.497546][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7032.497546][ T72] addrconf_add_dev+0xe2/0x170 [ 7032.497546][ T72] inet6_addr_add+0x12f/0xa40 [ 7032.497546][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7032.497546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.497546][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.497546][ T72] netlink_unicast+0x449/0x710 [ 7032.497546][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.497546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.497546][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.497546][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.497546][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.497546][ T72] [ 7032.499755][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7032.499755][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7032.499755][ T72] ipv6_find_idev+0x102/0x170 [ 7032.499755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7032.499755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.499755][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.499755][ T72] netlink_unicast+0x449/0x710 [ 7032.499755][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.499755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.499755][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.499755][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.499755][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.499755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.499755][ T72] [ 7032.501498][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7032.501498][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7032.501498][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7032.501498][ T72] ipv6_find_idev+0x102/0x170 [ 7032.501498][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7032.501498][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7032.501498][ T72] netlink_rcv_skb+0x130/0x360 [ 7032.501498][ T72] netlink_unicast+0x449/0x710 [ 7032.501498][ T72] netlink_sendmsg+0x723/0xbe0 [ 7032.501498][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7032.501498][ T72] ___sys_sendmsg+0xee/0x170 [ 7032.501498][ T72] __sys_sendmsg+0xcd/0x170 [ 7032.501498][ T72] do_syscall_64+0xc6/0x1e0 [ 7032.501498][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7032.501498][ T72] [ 7042.753023][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7042.753956][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7042.753956][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7042.753956][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7042.753956][ T72] fib6_nh_init+0xa22/0x1580 [ 7042.753956][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.753956][ T72] ip6_route_add+0x1c/0x140 [ 7042.753956][ T72] inet6_rtm_newroute+0x104/0x110 [ 7042.753956][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.753956][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.753956][ T72] netlink_unicast+0x449/0x710 [ 7042.753956][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.753956][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.753956][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.753956][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.753956][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.753956][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.753956][ T72] [ 7042.755799][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7042.755799][ T72] dst_init+0x84/0x4a0 [ 7042.755799][ T72] dst_alloc+0x97/0x150 [ 7042.755799][ T72] ip6_dst_alloc+0x23/0x90 [ 7042.755799][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7042.755799][ T72] ip6_pol_route+0x56f/0x840 [ 7042.755799][ T72] fib6_rule_lookup+0x456/0x630 [ 7042.755799][ T72] ip6_route_input+0x59c/0xa50 [ 7042.755799][ T72] ipv6_rcv+0x397/0x810 [ 7042.755799][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7042.755799][ T72] process_backlog+0x101/0x620 [ 7042.755799][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7042.755799][ T72] net_rx_action+0x495/0xbe0 [ 7042.755799][ T72] __do_softirq+0x1b5/0x7f6 [ 7042.755799][ T72] [ 7042.757359][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7042.757359][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.757359][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.757359][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.757359][ T72] ip6_route_add+0x1c/0x140 [ 7042.757359][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7042.757359][ T72] inet6_addr_add+0x4f8/0xa40 [ 7042.757359][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.757359][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.757359][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.757359][ T72] netlink_unicast+0x449/0x710 [ 7042.757359][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.757359][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.757359][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.757359][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.757359][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.757359][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.757359][ T72] [ 7042.759350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7042.759350][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.759350][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.759350][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.759350][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7042.759350][ T72] ipv6_add_addr+0x411/0x2000 [ 7042.759350][ T72] inet6_addr_add+0x30e/0xa40 [ 7042.759350][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.759350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.759350][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.759350][ T72] netlink_unicast+0x449/0x710 [ 7042.759350][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.759350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.759350][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.759350][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.759350][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.759350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.759350][ T72] [ 7042.761294][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7042.761294][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.761294][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.761294][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.761294][ T72] ip6_route_add+0x1c/0x140 [ 7042.761294][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7042.761294][ T72] addrconf_add_dev+0xe2/0x170 [ 7042.761294][ T72] inet6_addr_add+0x12f/0xa40 [ 7042.761294][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.761294][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.761294][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.761294][ T72] netlink_unicast+0x449/0x710 [ 7042.761294][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.761294][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.761294][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.761294][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.761294][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.761294][ T72] [ 7042.763186][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7042.763186][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7042.763186][ T72] ipv6_find_idev+0x102/0x170 [ 7042.763186][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.763186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.763186][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.763186][ T72] netlink_unicast+0x449/0x710 [ 7042.763186][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.763186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.763186][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.763186][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.763186][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.763186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.763186][ T72] [ 7042.764619][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7042.764619][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7042.764619][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7042.764619][ T72] ipv6_find_idev+0x102/0x170 [ 7042.764619][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.764619][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.764619][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.764619][ T72] netlink_unicast+0x449/0x710 [ 7042.764619][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.764619][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.764619][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.764619][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.764619][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.764619][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.764619][ T72] [ 7042.766204][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7042.766461][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7042.766461][ T72] dst_init+0x84/0x4a0 [ 7042.766461][ T72] dst_alloc+0x97/0x150 [ 7042.766461][ T72] ip6_dst_alloc+0x23/0x90 [ 7042.766461][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7042.766461][ T72] ip6_pol_route+0x56f/0x840 [ 7042.766461][ T72] fib6_rule_lookup+0x456/0x630 [ 7042.766461][ T72] ip6_route_input+0x59c/0xa50 [ 7042.766461][ T72] ipv6_rcv+0x397/0x810 [ 7042.766461][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7042.766461][ T72] process_backlog+0x101/0x620 [ 7042.766461][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7042.766461][ T72] net_rx_action+0x495/0xbe0 [ 7042.766461][ T72] __do_softirq+0x1b5/0x7f6 [ 7042.766461][ T72] [ 7042.768036][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7042.768036][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.768036][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.768036][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.768036][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7042.768036][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7042.768036][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7042.768036][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7042.768036][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7042.768036][ T72] addrconf_dad_begin+0x310/0x670 [ 7042.768036][ T72] addrconf_dad_work+0x10b/0xab0 [ 7042.768036][ T72] process_one_work+0x84d/0x18a0 [ 7042.768036][ T72] worker_thread+0x587/0xd30 [ 7042.768036][ T72] kthread+0x28a/0x350 [ 7042.768036][ T72] ret_from_fork+0x31/0x70 [ 7042.768036][ T72] ret_from_fork_asm+0x1a/0x30 [ 7042.768036][ T72] [ 7042.769861][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7042.769861][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.769861][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.769861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.769861][ T72] ip6_route_add+0x1c/0x140 [ 7042.769861][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7042.769861][ T72] inet6_addr_add+0x4f8/0xa40 [ 7042.769861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.769861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.769861][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.769861][ T72] netlink_unicast+0x449/0x710 [ 7042.769861][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.769861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.769861][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.769861][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.769861][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.769861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.769861][ T72] [ 7042.771775][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7042.771775][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.771775][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.771775][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.771775][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7042.771775][ T72] ipv6_add_addr+0x411/0x2000 [ 7042.771775][ T72] inet6_addr_add+0x30e/0xa40 [ 7042.771775][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.771775][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.771775][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.771775][ T72] netlink_unicast+0x449/0x710 [ 7042.771775][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.771775][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.771775][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.771775][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.771775][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.771775][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.771775][ T72] [ 7042.773736][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7042.773736][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.773736][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.773736][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.773736][ T72] ip6_route_add+0x1c/0x140 [ 7042.773736][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7042.773736][ T72] addrconf_add_dev+0xe2/0x170 [ 7042.773736][ T72] inet6_addr_add+0x12f/0xa40 [ 7042.773736][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.773736][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.773736][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.773736][ T72] netlink_unicast+0x449/0x710 [ 7042.773736][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.773736][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.773736][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.773736][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.773736][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.773736][ T72] [ 7042.775731][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7042.775731][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7042.775731][ T72] ipv6_find_idev+0x102/0x170 [ 7042.775731][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.775731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.775731][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.775731][ T72] netlink_unicast+0x449/0x710 [ 7042.775731][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.775731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.775731][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.775731][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.775731][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.775731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.775731][ T72] [ 7042.777311][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7042.777311][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7042.777311][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7042.777311][ T72] ipv6_find_idev+0x102/0x170 [ 7042.777311][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.777311][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.777311][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.777311][ T72] netlink_unicast+0x449/0x710 [ 7042.777311][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.777311][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.777311][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.777311][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.777311][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.777311][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.777311][ T72] [ 7042.779146][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7042.779418][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7042.779418][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7042.779418][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7042.779418][ T72] fib6_nh_init+0xa22/0x1580 [ 7042.779418][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.779418][ T72] ip6_route_add+0x1c/0x140 [ 7042.779418][ T72] inet6_rtm_newroute+0x104/0x110 [ 7042.779418][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.779418][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.779418][ T72] netlink_unicast+0x449/0x710 [ 7042.779418][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.779418][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.779418][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.779418][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.779418][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.779418][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.779418][ T72] [ 7042.781507][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7042.781507][ T72] dst_init+0x84/0x4a0 [ 7042.781507][ T72] dst_alloc+0x97/0x150 [ 7042.781507][ T72] ip6_dst_alloc+0x23/0x90 [ 7042.781507][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7042.781507][ T72] ip6_pol_route+0x56f/0x840 [ 7042.781507][ T72] fib6_rule_lookup+0x456/0x630 [ 7042.781507][ T72] ip6_route_input+0x59c/0xa50 [ 7042.781507][ T72] ipv6_rcv+0x397/0x810 [ 7042.781507][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7042.781507][ T72] process_backlog+0x101/0x620 [ 7042.781507][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7042.781507][ T72] net_rx_action+0x495/0xbe0 [ 7042.781507][ T72] __do_softirq+0x1b5/0x7f6 [ 7042.781507][ T72] [ 7042.783335][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7042.783335][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.783335][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.783335][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.783335][ T72] ip6_route_add+0x1c/0x140 [ 7042.783335][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7042.783335][ T72] inet6_addr_add+0x4f8/0xa40 [ 7042.783335][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.783335][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.783335][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.783335][ T72] netlink_unicast+0x449/0x710 [ 7042.783335][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.783335][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.783335][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.783335][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.783335][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.783335][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.783335][ T72] [ 7042.785510][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7042.785510][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.785510][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.785510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.785510][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7042.785510][ T72] ipv6_add_addr+0x411/0x2000 [ 7042.785510][ T72] inet6_addr_add+0x30e/0xa40 [ 7042.785510][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.785510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.785510][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.785510][ T72] netlink_unicast+0x449/0x710 [ 7042.785510][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.785510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.785510][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.785510][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.785510][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.785510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.785510][ T72] [ 7042.787778][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7042.787778][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.787778][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.787778][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.787778][ T72] ip6_route_add+0x1c/0x140 [ 7042.787778][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7042.787778][ T72] addrconf_add_dev+0xe2/0x170 [ 7042.787778][ T72] inet6_addr_add+0x12f/0xa40 [ 7042.787778][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.787778][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.787778][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.787778][ T72] netlink_unicast+0x449/0x710 [ 7042.787778][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.787778][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.787778][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.787778][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.787778][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.787778][ T72] [ 7042.790065][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7042.790065][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7042.790065][ T72] ipv6_find_idev+0x102/0x170 [ 7042.790065][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.790065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.790065][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.790065][ T72] netlink_unicast+0x449/0x710 [ 7042.790065][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.790065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.790065][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.790065][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.790065][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.790065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.790065][ T72] [ 7042.791792][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7042.791792][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7042.791792][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7042.791792][ T72] ipv6_find_idev+0x102/0x170 [ 7042.791792][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.791792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.791792][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.791792][ T72] netlink_unicast+0x449/0x710 [ 7042.791792][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.791792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.791792][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.791792][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.791792][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.791792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.791792][ T72] [ 7042.793703][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7042.793993][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7042.793993][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.793993][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.793993][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.793993][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7042.793993][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7042.793993][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7042.793993][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7042.793993][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7042.793993][ T72] addrconf_dad_begin+0x310/0x670 [ 7042.793993][ T72] addrconf_dad_work+0x10b/0xab0 [ 7042.793993][ T72] process_one_work+0x84d/0x18a0 [ 7042.793993][ T72] worker_thread+0x587/0xd30 [ 7042.793993][ T72] kthread+0x28a/0x350 [ 7042.793993][ T72] ret_from_fork+0x31/0x70 [ 7042.793993][ T72] ret_from_fork_asm+0x1a/0x30 [ 7042.793993][ T72] [ 7042.796147][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7042.796147][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.796147][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.796147][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.796147][ T72] ip6_route_add+0x1c/0x140 [ 7042.796147][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7042.796147][ T72] inet6_addr_add+0x4f8/0xa40 [ 7042.796147][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.796147][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.796147][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.796147][ T72] netlink_unicast+0x449/0x710 [ 7042.796147][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.796147][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.796147][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.796147][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.796147][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.796147][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.796147][ T72] [ 7042.798393][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7042.798393][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.798393][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.798393][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.798393][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7042.798393][ T72] ipv6_add_addr+0x411/0x2000 [ 7042.798393][ T72] inet6_addr_add+0x30e/0xa40 [ 7042.798393][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.798393][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.798393][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.798393][ T72] netlink_unicast+0x449/0x710 [ 7042.798393][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.798393][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.798393][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.798393][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.798393][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.798393][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.798393][ T72] [ 7042.800672][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7042.800672][ T72] netdev_get_by_index+0x5e/0x80 [ 7042.800672][ T72] fib6_nh_init+0x3d8/0x1580 [ 7042.800672][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7042.800672][ T72] ip6_route_add+0x1c/0x140 [ 7042.800672][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7042.800672][ T72] addrconf_add_dev+0xe2/0x170 [ 7042.800672][ T72] inet6_addr_add+0x12f/0xa40 [ 7042.800672][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7042.800672][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.800672][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.800672][ T72] netlink_unicast+0x449/0x710 [ 7042.800672][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.800672][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.800672][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.800672][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.800672][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.800672][ T72] [ 7042.802781][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7042.802781][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7042.802781][ T72] ipv6_find_idev+0x102/0x170 [ 7042.802781][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.802781][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.802781][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.802781][ T72] netlink_unicast+0x449/0x710 [ 7042.802781][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.802781][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.802781][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.802781][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.802781][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.802781][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.802781][ T72] [ 7042.804509][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7042.804509][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7042.804509][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7042.804509][ T72] ipv6_find_idev+0x102/0x170 [ 7042.804509][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7042.804509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7042.804509][ T72] netlink_rcv_skb+0x130/0x360 [ 7042.804509][ T72] netlink_unicast+0x449/0x710 [ 7042.804509][ T72] netlink_sendmsg+0x723/0xbe0 [ 7042.804509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7042.804509][ T72] ___sys_sendmsg+0xee/0x170 [ 7042.804509][ T72] __sys_sendmsg+0xcd/0x170 [ 7042.804509][ T72] do_syscall_64+0xc6/0x1e0 [ 7042.804509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7042.804509][ T72] [ 7052.841117][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7052.841720][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7052.841720][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7052.841720][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7052.841720][ T72] fib6_nh_init+0xa22/0x1580 [ 7052.841720][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.841720][ T72] ip6_route_add+0x1c/0x140 [ 7052.841720][ T72] inet6_rtm_newroute+0x104/0x110 [ 7052.841720][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.841720][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.841720][ T72] netlink_unicast+0x449/0x710 [ 7052.841720][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.841720][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.841720][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.841720][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.841720][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.841720][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.841720][ T72] [ 7052.843536][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7052.843536][ T72] dst_init+0x84/0x4a0 [ 7052.843536][ T72] dst_alloc+0x97/0x150 [ 7052.843536][ T72] ip6_dst_alloc+0x23/0x90 [ 7052.843536][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7052.843536][ T72] ip6_pol_route+0x56f/0x840 [ 7052.843536][ T72] fib6_rule_lookup+0x456/0x630 [ 7052.843536][ T72] ip6_route_input+0x59c/0xa50 [ 7052.843536][ T72] ipv6_rcv+0x397/0x810 [ 7052.843536][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7052.843536][ T72] process_backlog+0x101/0x620 [ 7052.843536][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7052.843536][ T72] net_rx_action+0x495/0xbe0 [ 7052.843536][ T72] __do_softirq+0x1b5/0x7f6 [ 7052.843536][ T72] [ 7052.845063][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7052.845063][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.845063][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.845063][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.845063][ T72] ip6_route_add+0x1c/0x140 [ 7052.845063][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7052.845063][ T72] inet6_addr_add+0x4f8/0xa40 [ 7052.845063][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.845063][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.845063][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.845063][ T72] netlink_unicast+0x449/0x710 [ 7052.845063][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.845063][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.845063][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.845063][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.845063][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.845063][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.845063][ T72] [ 7052.847085][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7052.847085][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.847085][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.847085][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.847085][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7052.847085][ T72] ipv6_add_addr+0x411/0x2000 [ 7052.847085][ T72] inet6_addr_add+0x30e/0xa40 [ 7052.847085][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.847085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.847085][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.847085][ T72] netlink_unicast+0x449/0x710 [ 7052.847085][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.847085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.847085][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.847085][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.847085][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.847085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.847085][ T72] [ 7052.848954][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7052.848954][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.848954][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.848954][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.848954][ T72] ip6_route_add+0x1c/0x140 [ 7052.848954][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7052.848954][ T72] addrconf_add_dev+0xe2/0x170 [ 7052.848954][ T72] inet6_addr_add+0x12f/0xa40 [ 7052.848954][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.848954][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.848954][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.848954][ T72] netlink_unicast+0x449/0x710 [ 7052.848954][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.848954][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.848954][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.848954][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.848954][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.848954][ T72] [ 7052.850852][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7052.850852][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7052.850852][ T72] ipv6_find_idev+0x102/0x170 [ 7052.850852][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.850852][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.850852][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.850852][ T72] netlink_unicast+0x449/0x710 [ 7052.850852][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.850852][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.850852][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.850852][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.850852][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.850852][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.850852][ T72] [ 7052.852310][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7052.852310][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7052.852310][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7052.852310][ T72] ipv6_find_idev+0x102/0x170 [ 7052.852310][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.852310][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.852310][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.852310][ T72] netlink_unicast+0x449/0x710 [ 7052.852310][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.852310][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.852310][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.852310][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.852310][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.852310][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.852310][ T72] [ 7052.853925][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7052.854225][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7052.854225][ T72] dst_init+0x84/0x4a0 [ 7052.854225][ T72] dst_alloc+0x97/0x150 [ 7052.854225][ T72] ip6_dst_alloc+0x23/0x90 [ 7052.854225][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7052.854225][ T72] ip6_pol_route+0x56f/0x840 [ 7052.854225][ T72] fib6_rule_lookup+0x456/0x630 [ 7052.854225][ T72] ip6_route_input+0x59c/0xa50 [ 7052.854225][ T72] ipv6_rcv+0x397/0x810 [ 7052.854225][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7052.854225][ T72] process_backlog+0x101/0x620 [ 7052.854225][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7052.854225][ T72] net_rx_action+0x495/0xbe0 [ 7052.854225][ T72] __do_softirq+0x1b5/0x7f6 [ 7052.854225][ T72] [ 7052.855899][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7052.855899][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.855899][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.855899][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.855899][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7052.855899][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7052.855899][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7052.855899][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7052.855899][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7052.855899][ T72] addrconf_dad_begin+0x310/0x670 [ 7052.855899][ T72] addrconf_dad_work+0x10b/0xab0 [ 7052.855899][ T72] process_one_work+0x84d/0x18a0 [ 7052.855899][ T72] worker_thread+0x587/0xd30 [ 7052.855899][ T72] kthread+0x28a/0x350 [ 7052.855899][ T72] ret_from_fork+0x31/0x70 [ 7052.855899][ T72] ret_from_fork_asm+0x1a/0x30 [ 7052.855899][ T72] [ 7052.857751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7052.857751][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.857751][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.857751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.857751][ T72] ip6_route_add+0x1c/0x140 [ 7052.857751][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7052.857751][ T72] inet6_addr_add+0x4f8/0xa40 [ 7052.857751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.857751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.857751][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.857751][ T72] netlink_unicast+0x449/0x710 [ 7052.857751][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.857751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.857751][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.857751][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.857751][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.857751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.857751][ T72] [ 7052.859751][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7052.859751][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.859751][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.859751][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.859751][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7052.859751][ T72] ipv6_add_addr+0x411/0x2000 [ 7052.859751][ T72] inet6_addr_add+0x30e/0xa40 [ 7052.859751][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.859751][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.859751][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.859751][ T72] netlink_unicast+0x449/0x710 [ 7052.859751][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.859751][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.859751][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.859751][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.859751][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.859751][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.859751][ T72] [ 7052.861677][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7052.861677][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.861677][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.861677][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.861677][ T72] ip6_route_add+0x1c/0x140 [ 7052.861677][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7052.861677][ T72] addrconf_add_dev+0xe2/0x170 [ 7052.861677][ T72] inet6_addr_add+0x12f/0xa40 [ 7052.861677][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.861677][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.861677][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.861677][ T72] netlink_unicast+0x449/0x710 [ 7052.861677][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.861677][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.861677][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.861677][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.861677][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.861677][ T72] [ 7052.863679][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7052.863679][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7052.863679][ T72] ipv6_find_idev+0x102/0x170 [ 7052.863679][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.863679][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.863679][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.863679][ T72] netlink_unicast+0x449/0x710 [ 7052.863679][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.863679][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.863679][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.863679][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.863679][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.863679][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.863679][ T72] [ 7052.865156][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7052.865156][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7052.865156][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7052.865156][ T72] ipv6_find_idev+0x102/0x170 [ 7052.865156][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.865156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.865156][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.865156][ T72] netlink_unicast+0x449/0x710 [ 7052.865156][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.865156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.865156][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.865156][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.865156][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.865156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.865156][ T72] [ 7052.867005][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7052.867276][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7052.867276][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7052.867276][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7052.867276][ T72] fib6_nh_init+0xa22/0x1580 [ 7052.867276][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.867276][ T72] ip6_route_add+0x1c/0x140 [ 7052.867276][ T72] inet6_rtm_newroute+0x104/0x110 [ 7052.867276][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.867276][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.867276][ T72] netlink_unicast+0x449/0x710 [ 7052.867276][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.867276][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.867276][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.867276][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.867276][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.867276][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.867276][ T72] [ 7052.869422][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7052.869422][ T72] dst_init+0x84/0x4a0 [ 7052.869422][ T72] dst_alloc+0x97/0x150 [ 7052.869422][ T72] ip6_dst_alloc+0x23/0x90 [ 7052.869422][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7052.869422][ T72] ip6_pol_route+0x56f/0x840 [ 7052.869422][ T72] fib6_rule_lookup+0x456/0x630 [ 7052.869422][ T72] ip6_route_input+0x59c/0xa50 [ 7052.869422][ T72] ipv6_rcv+0x397/0x810 [ 7052.869422][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7052.869422][ T72] process_backlog+0x101/0x620 [ 7052.869422][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7052.869422][ T72] net_rx_action+0x495/0xbe0 [ 7052.869422][ T72] __do_softirq+0x1b5/0x7f6 [ 7052.869422][ T72] [ 7052.871294][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7052.871294][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.871294][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.871294][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.871294][ T72] ip6_route_add+0x1c/0x140 [ 7052.871294][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7052.871294][ T72] inet6_addr_add+0x4f8/0xa40 [ 7052.871294][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.871294][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.871294][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.871294][ T72] netlink_unicast+0x449/0x710 [ 7052.871294][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.871294][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.871294][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.871294][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.871294][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.871294][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.871294][ T72] [ 7052.873494][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7052.873494][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.873494][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.873494][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.873494][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7052.873494][ T72] ipv6_add_addr+0x411/0x2000 [ 7052.873494][ T72] inet6_addr_add+0x30e/0xa40 [ 7052.873494][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.873494][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.873494][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.873494][ T72] netlink_unicast+0x449/0x710 [ 7052.873494][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.873494][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.873494][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.873494][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.873494][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.873494][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.873494][ T72] [ 7052.875739][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7052.875739][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.875739][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.875739][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.875739][ T72] ip6_route_add+0x1c/0x140 [ 7052.875739][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7052.875739][ T72] addrconf_add_dev+0xe2/0x170 [ 7052.875739][ T72] inet6_addr_add+0x12f/0xa40 [ 7052.875739][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.875739][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.875739][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.875739][ T72] netlink_unicast+0x449/0x710 [ 7052.875739][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.875739][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.875739][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.875739][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.875739][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.875739][ T72] [ 7052.878040][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7052.878040][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7052.878040][ T72] ipv6_find_idev+0x102/0x170 [ 7052.878040][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.878040][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.878040][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.878040][ T72] netlink_unicast+0x449/0x710 [ 7052.878040][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.878040][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.878040][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.878040][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.878040][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.878040][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.878040][ T72] [ 7052.879730][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7052.879730][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7052.879730][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7052.879730][ T72] ipv6_find_idev+0x102/0x170 [ 7052.879730][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.879730][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.879730][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.879730][ T72] netlink_unicast+0x449/0x710 [ 7052.879730][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.879730][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.879730][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.879730][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.879730][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.879730][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.879730][ T72] [ 7052.881623][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7052.882424][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7052.882424][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.882424][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.882424][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.882424][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7052.882424][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7052.882424][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7052.882424][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7052.882424][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7052.882424][ T72] addrconf_dad_begin+0x310/0x670 [ 7052.882424][ T72] addrconf_dad_work+0x10b/0xab0 [ 7052.882424][ T72] process_one_work+0x84d/0x18a0 [ 7052.882424][ T72] worker_thread+0x587/0xd30 [ 7052.882424][ T72] kthread+0x28a/0x350 [ 7052.882424][ T72] ret_from_fork+0x31/0x70 [ 7052.882424][ T72] ret_from_fork_asm+0x1a/0x30 [ 7052.882424][ T72] [ 7052.884289][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7052.884289][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.884289][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.884289][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.884289][ T72] ip6_route_add+0x1c/0x140 [ 7052.884289][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7052.884289][ T72] inet6_addr_add+0x4f8/0xa40 [ 7052.884289][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.884289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.884289][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.884289][ T72] netlink_unicast+0x449/0x710 [ 7052.884289][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.884289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.884289][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.884289][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.884289][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.884289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.884289][ T72] [ 7052.886308][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7052.886308][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.886308][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.886308][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.886308][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7052.886308][ T72] ipv6_add_addr+0x411/0x2000 [ 7052.886308][ T72] inet6_addr_add+0x30e/0xa40 [ 7052.886308][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.886308][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.886308][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.886308][ T72] netlink_unicast+0x449/0x710 [ 7052.886308][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.886308][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.886308][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.886308][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.886308][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.886308][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.886308][ T72] [ 7052.888499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7052.888499][ T72] netdev_get_by_index+0x5e/0x80 [ 7052.888499][ T72] fib6_nh_init+0x3d8/0x1580 [ 7052.888499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7052.888499][ T72] ip6_route_add+0x1c/0x140 [ 7052.888499][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7052.888499][ T72] addrconf_add_dev+0xe2/0x170 [ 7052.888499][ T72] inet6_addr_add+0x12f/0xa40 [ 7052.888499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7052.888499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.888499][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.888499][ T72] netlink_unicast+0x449/0x710 [ 7052.888499][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.888499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.888499][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.888499][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.888499][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.888499][ T72] [ 7052.890733][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7052.890733][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7052.890733][ T72] ipv6_find_idev+0x102/0x170 [ 7052.890733][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.890733][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.890733][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.890733][ T72] netlink_unicast+0x449/0x710 [ 7052.890733][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.890733][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.890733][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.890733][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.890733][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.890733][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.890733][ T72] [ 7052.892567][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7052.892567][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7052.892567][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7052.892567][ T72] ipv6_find_idev+0x102/0x170 [ 7052.892567][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7052.892567][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7052.892567][ T72] netlink_rcv_skb+0x130/0x360 [ 7052.892567][ T72] netlink_unicast+0x449/0x710 [ 7052.892567][ T72] netlink_sendmsg+0x723/0xbe0 [ 7052.892567][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7052.892567][ T72] ___sys_sendmsg+0xee/0x170 [ 7052.892567][ T72] __sys_sendmsg+0xcd/0x170 [ 7052.892567][ T72] do_syscall_64+0xc6/0x1e0 [ 7052.892567][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7052.892567][ T72] [ 7063.137080][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7063.137668][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7063.137668][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7063.137668][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7063.137668][ T72] fib6_nh_init+0xa22/0x1580 [ 7063.137668][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.137668][ T72] ip6_route_add+0x1c/0x140 [ 7063.137668][ T72] inet6_rtm_newroute+0x104/0x110 [ 7063.137668][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.137668][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.137668][ T72] netlink_unicast+0x449/0x710 [ 7063.137668][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.137668][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.137668][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.137668][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.137668][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.137668][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.137668][ T72] [ 7063.139609][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7063.139609][ T72] dst_init+0x84/0x4a0 [ 7063.139609][ T72] dst_alloc+0x97/0x150 [ 7063.139609][ T72] ip6_dst_alloc+0x23/0x90 [ 7063.139609][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7063.139609][ T72] ip6_pol_route+0x56f/0x840 [ 7063.139609][ T72] fib6_rule_lookup+0x456/0x630 [ 7063.139609][ T72] ip6_route_input+0x59c/0xa50 [ 7063.139609][ T72] ipv6_rcv+0x397/0x810 [ 7063.139609][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7063.139609][ T72] process_backlog+0x101/0x620 [ 7063.139609][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7063.139609][ T72] net_rx_action+0x495/0xbe0 [ 7063.139609][ T72] __do_softirq+0x1b5/0x7f6 [ 7063.139609][ T72] [ 7063.141225][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7063.141225][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.141225][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.141225][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.141225][ T72] ip6_route_add+0x1c/0x140 [ 7063.141225][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7063.141225][ T72] inet6_addr_add+0x4f8/0xa40 [ 7063.141225][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.141225][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.141225][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.141225][ T72] netlink_unicast+0x449/0x710 [ 7063.141225][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.141225][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.141225][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.141225][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.141225][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.141225][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.141225][ T72] [ 7063.143201][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7063.143201][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.143201][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.143201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.143201][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7063.143201][ T72] ipv6_add_addr+0x411/0x2000 [ 7063.143201][ T72] inet6_addr_add+0x30e/0xa40 [ 7063.143201][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.143201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.143201][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.143201][ T72] netlink_unicast+0x449/0x710 [ 7063.143201][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.143201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.143201][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.143201][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.143201][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.143201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.143201][ T72] [ 7063.145214][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7063.145214][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.145214][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.145214][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.145214][ T72] ip6_route_add+0x1c/0x140 [ 7063.145214][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7063.145214][ T72] addrconf_add_dev+0xe2/0x170 [ 7063.145214][ T72] inet6_addr_add+0x12f/0xa40 [ 7063.145214][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.145214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.145214][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.145214][ T72] netlink_unicast+0x449/0x710 [ 7063.145214][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.145214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.145214][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.145214][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.145214][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.145214][ T72] [ 7063.147180][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7063.147180][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7063.147180][ T72] ipv6_find_idev+0x102/0x170 [ 7063.147180][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7063.147180][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.147180][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.147180][ T72] netlink_unicast+0x449/0x710 [ 7063.147180][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.147180][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.147180][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.147180][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.147180][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.147180][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.147180][ T72] [ 7063.148698][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7063.148698][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7063.148698][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7063.148698][ T72] ipv6_find_idev+0x102/0x170 [ 7063.148698][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7063.148698][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.148698][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.148698][ T72] netlink_unicast+0x449/0x710 [ 7063.148698][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.148698][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.148698][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.148698][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.148698][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.148698][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.148698][ T72] [ 7063.150384][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7063.150680][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7063.150680][ T72] dst_init+0x84/0x4a0 [ 7063.150680][ T72] dst_alloc+0x97/0x150 [ 7063.150680][ T72] ip6_dst_alloc+0x23/0x90 [ 7063.150680][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7063.150680][ T72] ip6_pol_route+0x56f/0x840 [ 7063.150680][ T72] fib6_rule_lookup+0x456/0x630 [ 7063.150680][ T72] ip6_route_input+0x59c/0xa50 [ 7063.150680][ T72] ipv6_rcv+0x397/0x810 [ 7063.150680][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7063.150680][ T72] process_backlog+0x101/0x620 [ 7063.150680][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7063.150680][ T72] net_rx_action+0x495/0xbe0 [ 7063.150680][ T72] __do_softirq+0x1b5/0x7f6 [ 7063.150680][ T72] [ 7063.152323][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7063.152323][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.152323][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.152323][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.152323][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7063.152323][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7063.152323][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7063.152323][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7063.152323][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7063.152323][ T72] addrconf_dad_begin+0x310/0x670 [ 7063.152323][ T72] addrconf_dad_work+0x10b/0xab0 [ 7063.152323][ T72] process_one_work+0x84d/0x18a0 [ 7063.152323][ T72] worker_thread+0x587/0xd30 [ 7063.152323][ T72] kthread+0x28a/0x350 [ 7063.152323][ T72] ret_from_fork+0x31/0x70 [ 7063.152323][ T72] ret_from_fork_asm+0x1a/0x30 [ 7063.152323][ T72] [ 7063.154197][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7063.154197][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.154197][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.154197][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.154197][ T72] ip6_route_add+0x1c/0x140 [ 7063.154197][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7063.154197][ T72] inet6_addr_add+0x4f8/0xa40 [ 7063.154197][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.154197][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.154197][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.154197][ T72] netlink_unicast+0x449/0x710 [ 7063.154197][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.154197][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.154197][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.154197][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.154197][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.154197][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.154197][ T72] [ 7063.156201][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7063.156201][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.156201][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.156201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.156201][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7063.156201][ T72] ipv6_add_addr+0x411/0x2000 [ 7063.156201][ T72] inet6_addr_add+0x30e/0xa40 [ 7063.156201][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.156201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.156201][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.156201][ T72] netlink_unicast+0x449/0x710 [ 7063.156201][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.156201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.156201][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.156201][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.156201][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.156201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.156201][ T72] [ 7063.158228][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7063.158228][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.158228][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.158228][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.158228][ T72] ip6_route_add+0x1c/0x140 [ 7063.158228][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7063.158228][ T72] addrconf_add_dev+0xe2/0x170 [ 7063.158228][ T72] inet6_addr_add+0x12f/0xa40 [ 7063.158228][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.158228][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.158228][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.158228][ T72] netlink_unicast+0x449/0x710 [ 7063.158228][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.158228][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.158228][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.158228][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.158228][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.158228][ T72] [ 7063.160201][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7063.160201][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7063.160201][ T72] ipv6_find_idev+0x102/0x170 [ 7063.160201][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7063.160201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.160201][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.160201][ T72] netlink_unicast+0x449/0x710 [ 7063.160201][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.160201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.160201][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.160201][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.160201][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.160201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.160201][ T72] [ 7063.161717][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7063.161717][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7063.161717][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7063.161717][ T72] ipv6_find_idev+0x102/0x170 [ 7063.161717][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7063.161717][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.161717][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.161717][ T72] netlink_unicast+0x449/0x710 [ 7063.161717][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.161717][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.161717][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.161717][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.161717][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.161717][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.161717][ T72] [ 7063.163512][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7063.163779][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7063.163779][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7063.163779][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7063.163779][ T72] fib6_nh_init+0xa22/0x1580 [ 7063.163779][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.163779][ T72] ip6_route_add+0x1c/0x140 [ 7063.163779][ T72] inet6_rtm_newroute+0x104/0x110 [ 7063.163779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.163779][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.163779][ T72] netlink_unicast+0x449/0x710 [ 7063.163779][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.163779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.163779][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.163779][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.163779][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.163779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.163779][ T72] [ 7063.165935][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7063.165935][ T72] dst_init+0x84/0x4a0 [ 7063.165935][ T72] dst_alloc+0x97/0x150 [ 7063.165935][ T72] ip6_dst_alloc+0x23/0x90 [ 7063.165935][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7063.165935][ T72] ip6_pol_route+0x56f/0x840 [ 7063.165935][ T72] fib6_rule_lookup+0x456/0x630 [ 7063.165935][ T72] ip6_route_input+0x59c/0xa50 [ 7063.165935][ T72] ipv6_rcv+0x397/0x810 [ 7063.165935][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7063.165935][ T72] process_backlog+0x101/0x620 [ 7063.165935][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7063.165935][ T72] net_rx_action+0x495/0xbe0 [ 7063.165935][ T72] __do_softirq+0x1b5/0x7f6 [ 7063.165935][ T72] [ 7063.167801][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7063.167801][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.167801][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.167801][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.167801][ T72] ip6_route_add+0x1c/0x140 [ 7063.167801][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7063.167801][ T72] inet6_addr_add+0x4f8/0xa40 [ 7063.167801][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.167801][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.167801][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.167801][ T72] netlink_unicast+0x449/0x710 [ 7063.167801][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.167801][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.167801][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.167801][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.167801][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.167801][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.167801][ T72] [ 7063.170009][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7063.170009][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.170009][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.170009][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.170009][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7063.170009][ T72] ipv6_add_addr+0x411/0x2000 [ 7063.170009][ T72] inet6_addr_add+0x30e/0xa40 [ 7063.170009][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.170009][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.170009][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.170009][ T72] netlink_unicast+0x449/0x710 [ 7063.170009][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.170009][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.170009][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.170009][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.170009][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.170009][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.170009][ T72] [ 7063.172257][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7063.172257][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.172257][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.172257][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.172257][ T72] ip6_route_add+0x1c/0x140 [ 7063.172257][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7063.172257][ T72] addrconf_add_dev+0xe2/0x170 [ 7063.172257][ T72] inet6_addr_add+0x12f/0xa40 [ 7063.172257][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.172257][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.172257][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.172257][ T72] netlink_unicast+0x449/0x710 [ 7063.172257][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.172257][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.172257][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.172257][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.172257][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.172257][ T72] [ 7063.174526][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7063.174526][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7063.174526][ T72] ipv6_find_idev+0x102/0x170 [ 7063.174526][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7063.174526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.174526][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.174526][ T72] netlink_unicast+0x449/0x710 [ 7063.174526][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.174526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.174526][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.174526][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.174526][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.174526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.174526][ T72] [ 7063.176326][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7063.176326][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7063.176326][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7063.176326][ T72] ipv6_find_idev+0x102/0x170 [ 7063.176326][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7063.176326][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.176326][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.176326][ T72] netlink_unicast+0x449/0x710 [ 7063.176326][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.176326][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.176326][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.176326][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.176326][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.176326][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.176326][ T72] [ 7063.178228][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7063.178568][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7063.178568][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.178568][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.178568][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.178568][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7063.178568][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7063.178568][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7063.178568][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7063.178568][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7063.178568][ T72] addrconf_dad_begin+0x310/0x670 [ 7063.178568][ T72] addrconf_dad_work+0x10b/0xab0 [ 7063.178568][ T72] process_one_work+0x84d/0x18a0 [ 7063.178568][ T72] worker_thread+0x587/0xd30 [ 7063.178568][ T72] kthread+0x28a/0x350 [ 7063.178568][ T72] ret_from_fork+0x31/0x70 [ 7063.178568][ T72] ret_from_fork_asm+0x1a/0x30 [ 7063.178568][ T72] [ 7063.180640][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7063.180640][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.180640][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.180640][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.180640][ T72] ip6_route_add+0x1c/0x140 [ 7063.180640][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7063.180640][ T72] inet6_addr_add+0x4f8/0xa40 [ 7063.180640][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.180640][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.180640][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.180640][ T72] netlink_unicast+0x449/0x710 [ 7063.180640][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.180640][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.180640][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.180640][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.180640][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.180640][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.180640][ T72] [ 7063.182882][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7063.182882][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.182882][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.182882][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.182882][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7063.182882][ T72] ipv6_add_addr+0x411/0x2000 [ 7063.182882][ T72] inet6_addr_add+0x30e/0xa40 [ 7063.182882][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.182882][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.182882][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.182882][ T72] netlink_unicast+0x449/0x710 [ 7063.182882][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.182882][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.182882][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.182882][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.182882][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.182882][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.182882][ T72] [ 7063.185198][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7063.185198][ T72] netdev_get_by_index+0x5e/0x80 [ 7063.185198][ T72] fib6_nh_init+0x3d8/0x1580 [ 7063.185198][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7063.185198][ T72] ip6_route_add+0x1c/0x140 [ 7063.185198][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7063.185198][ T72] addrconf_add_dev+0xe2/0x170 [ 7063.185198][ T72] inet6_addr_add+0x12f/0xa40 [ 7063.185198][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7063.185198][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.185198][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.185198][ T72] netlink_unicast+0x449/0x710 [ 7063.185198][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.185198][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.185198][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.185198][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.185198][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.185198][ T72] [ 7063.187445][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7063.187445][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7063.187445][ T72] ipv6_find_idev+0x102/0x170 [ 7063.187445][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7063.187445][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.187445][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.187445][ T72] netlink_unicast+0x449/0x710 [ 7063.187445][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.187445][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.187445][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.187445][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.187445][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.187445][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.187445][ T72] [ 7063.189176][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7063.189176][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7063.189176][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7063.189176][ T72] ipv6_find_idev+0x102/0x170 [ 7063.189176][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7063.189176][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7063.189176][ T72] netlink_rcv_skb+0x130/0x360 [ 7063.189176][ T72] netlink_unicast+0x449/0x710 [ 7063.189176][ T72] netlink_sendmsg+0x723/0xbe0 [ 7063.189176][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7063.189176][ T72] ___sys_sendmsg+0xee/0x170 [ 7063.189176][ T72] __sys_sendmsg+0xcd/0x170 [ 7063.189176][ T72] do_syscall_64+0xc6/0x1e0 [ 7063.189176][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7063.189176][ T72] [ 7073.432986][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7073.433670][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7073.433670][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7073.433670][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7073.433670][ T72] fib6_nh_init+0xa22/0x1580 [ 7073.433670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.433670][ T72] ip6_route_add+0x1c/0x140 [ 7073.433670][ T72] inet6_rtm_newroute+0x104/0x110 [ 7073.433670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.433670][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.433670][ T72] netlink_unicast+0x449/0x710 [ 7073.433670][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.433670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.433670][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.433670][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.433670][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.433670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.433670][ T72] [ 7073.435490][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7073.435490][ T72] dst_init+0x84/0x4a0 [ 7073.435490][ T72] dst_alloc+0x97/0x150 [ 7073.435490][ T72] ip6_dst_alloc+0x23/0x90 [ 7073.435490][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7073.435490][ T72] ip6_pol_route+0x56f/0x840 [ 7073.435490][ T72] fib6_rule_lookup+0x456/0x630 [ 7073.435490][ T72] ip6_route_input+0x59c/0xa50 [ 7073.435490][ T72] ipv6_rcv+0x397/0x810 [ 7073.435490][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7073.435490][ T72] process_backlog+0x101/0x620 [ 7073.435490][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7073.435490][ T72] net_rx_action+0x495/0xbe0 [ 7073.435490][ T72] __do_softirq+0x1b5/0x7f6 [ 7073.435490][ T72] [ 7073.437079][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7073.437079][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.437079][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.437079][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.437079][ T72] ip6_route_add+0x1c/0x140 [ 7073.437079][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7073.437079][ T72] inet6_addr_add+0x4f8/0xa40 [ 7073.437079][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.437079][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.437079][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.437079][ T72] netlink_unicast+0x449/0x710 [ 7073.437079][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.437079][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.437079][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.437079][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.437079][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.437079][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.437079][ T72] [ 7073.438948][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7073.438948][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.438948][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.438948][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.438948][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7073.438948][ T72] ipv6_add_addr+0x411/0x2000 [ 7073.438948][ T72] inet6_addr_add+0x30e/0xa40 [ 7073.438948][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.438948][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.438948][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.438948][ T72] netlink_unicast+0x449/0x710 [ 7073.438948][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.438948][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.438948][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.438948][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.438948][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.438948][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.438948][ T72] [ 7073.440906][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7073.440906][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.440906][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.440906][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.440906][ T72] ip6_route_add+0x1c/0x140 [ 7073.440906][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7073.440906][ T72] addrconf_add_dev+0xe2/0x170 [ 7073.440906][ T72] inet6_addr_add+0x12f/0xa40 [ 7073.440906][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.440906][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.440906][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.440906][ T72] netlink_unicast+0x449/0x710 [ 7073.440906][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.440906][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.440906][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.440906][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.440906][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.440906][ T72] [ 7073.443331][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7073.443331][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7073.443331][ T72] ipv6_find_idev+0x102/0x170 [ 7073.443331][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7073.443331][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.443331][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.443331][ T72] netlink_unicast+0x449/0x710 [ 7073.443331][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.443331][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.443331][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.443331][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.443331][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.443331][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.443331][ T72] [ 7073.444770][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7073.444770][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7073.444770][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7073.444770][ T72] ipv6_find_idev+0x102/0x170 [ 7073.444770][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7073.444770][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.444770][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.444770][ T72] netlink_unicast+0x449/0x710 [ 7073.444770][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.444770][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.444770][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.444770][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.444770][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.444770][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.444770][ T72] [ 7073.446512][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7073.446796][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7073.446796][ T72] dst_init+0x84/0x4a0 [ 7073.446796][ T72] dst_alloc+0x97/0x150 [ 7073.446796][ T72] ip6_dst_alloc+0x23/0x90 [ 7073.446796][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7073.446796][ T72] ip6_pol_route+0x56f/0x840 [ 7073.446796][ T72] fib6_rule_lookup+0x456/0x630 [ 7073.446796][ T72] ip6_route_input+0x59c/0xa50 [ 7073.446796][ T72] ipv6_rcv+0x397/0x810 [ 7073.446796][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7073.446796][ T72] process_backlog+0x101/0x620 [ 7073.446796][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7073.446796][ T72] net_rx_action+0x495/0xbe0 [ 7073.446796][ T72] __do_softirq+0x1b5/0x7f6 [ 7073.446796][ T72] [ 7073.448460][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7073.448460][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.448460][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.448460][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.448460][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7073.448460][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7073.448460][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7073.448460][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7073.448460][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7073.448460][ T72] addrconf_dad_begin+0x310/0x670 [ 7073.448460][ T72] addrconf_dad_work+0x10b/0xab0 [ 7073.448460][ T72] process_one_work+0x84d/0x18a0 [ 7073.448460][ T72] worker_thread+0x587/0xd30 [ 7073.448460][ T72] kthread+0x28a/0x350 [ 7073.448460][ T72] ret_from_fork+0x31/0x70 [ 7073.448460][ T72] ret_from_fork_asm+0x1a/0x30 [ 7073.448460][ T72] [ 7073.450330][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7073.450330][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.450330][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.450330][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.450330][ T72] ip6_route_add+0x1c/0x140 [ 7073.450330][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7073.450330][ T72] inet6_addr_add+0x4f8/0xa40 [ 7073.450330][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.450330][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.450330][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.450330][ T72] netlink_unicast+0x449/0x710 [ 7073.450330][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.450330][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.450330][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.450330][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.450330][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.450330][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.450330][ T72] [ 7073.452354][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7073.452354][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.452354][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.452354][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.452354][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7073.452354][ T72] ipv6_add_addr+0x411/0x2000 [ 7073.452354][ T72] inet6_addr_add+0x30e/0xa40 [ 7073.452354][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.452354][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.452354][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.452354][ T72] netlink_unicast+0x449/0x710 [ 7073.452354][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.452354][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.452354][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.452354][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.452354][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.452354][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.452354][ T72] [ 7073.454216][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7073.454216][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.454216][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.454216][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.454216][ T72] ip6_route_add+0x1c/0x140 [ 7073.454216][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7073.454216][ T72] addrconf_add_dev+0xe2/0x170 [ 7073.454216][ T72] inet6_addr_add+0x12f/0xa40 [ 7073.454216][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.454216][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.454216][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.454216][ T72] netlink_unicast+0x449/0x710 [ 7073.454216][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.454216][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.454216][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.454216][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.454216][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.454216][ T72] [ 7073.456100][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7073.456100][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7073.456100][ T72] ipv6_find_idev+0x102/0x170 [ 7073.456100][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7073.456100][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.456100][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.456100][ T72] netlink_unicast+0x449/0x710 [ 7073.456100][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.456100][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.456100][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.456100][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.456100][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.456100][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.456100][ T72] [ 7073.458190][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7073.458190][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7073.458190][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7073.458190][ T72] ipv6_find_idev+0x102/0x170 [ 7073.458190][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7073.458190][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.458190][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.458190][ T72] netlink_unicast+0x449/0x710 [ 7073.458190][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.458190][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.458190][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.458190][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.458190][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.458190][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.458190][ T72] [ 7073.459929][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7073.460205][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7073.460205][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7073.460205][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7073.460205][ T72] fib6_nh_init+0xa22/0x1580 [ 7073.460205][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.460205][ T72] ip6_route_add+0x1c/0x140 [ 7073.460205][ T72] inet6_rtm_newroute+0x104/0x110 [ 7073.460205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.460205][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.460205][ T72] netlink_unicast+0x449/0x710 [ 7073.460205][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.460205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.460205][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.460205][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.460205][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.460205][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.460205][ T72] [ 7073.462351][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7073.462351][ T72] dst_init+0x84/0x4a0 [ 7073.462351][ T72] dst_alloc+0x97/0x150 [ 7073.462351][ T72] ip6_dst_alloc+0x23/0x90 [ 7073.462351][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7073.462351][ T72] ip6_pol_route+0x56f/0x840 [ 7073.462351][ T72] fib6_rule_lookup+0x456/0x630 [ 7073.462351][ T72] ip6_route_input+0x59c/0xa50 [ 7073.462351][ T72] ipv6_rcv+0x397/0x810 [ 7073.462351][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7073.462351][ T72] process_backlog+0x101/0x620 [ 7073.462351][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7073.462351][ T72] net_rx_action+0x495/0xbe0 [ 7073.462351][ T72] __do_softirq+0x1b5/0x7f6 [ 7073.462351][ T72] [ 7073.464201][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7073.464201][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.464201][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.464201][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.464201][ T72] ip6_route_add+0x1c/0x140 [ 7073.464201][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7073.464201][ T72] inet6_addr_add+0x4f8/0xa40 [ 7073.464201][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.464201][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.464201][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.464201][ T72] netlink_unicast+0x449/0x710 [ 7073.464201][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.464201][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.464201][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.464201][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.464201][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.464201][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.464201][ T72] [ 7073.466403][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7073.466403][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.466403][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.466403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.466403][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7073.466403][ T72] ipv6_add_addr+0x411/0x2000 [ 7073.466403][ T72] inet6_addr_add+0x30e/0xa40 [ 7073.466403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.466403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.466403][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.466403][ T72] netlink_unicast+0x449/0x710 [ 7073.466403][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.466403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.466403][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.466403][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.466403][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.466403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.466403][ T72] [ 7073.468663][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7073.468663][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.468663][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.468663][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.468663][ T72] ip6_route_add+0x1c/0x140 [ 7073.468663][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7073.468663][ T72] addrconf_add_dev+0xe2/0x170 [ 7073.468663][ T72] inet6_addr_add+0x12f/0xa40 [ 7073.468663][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.468663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.468663][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.468663][ T72] netlink_unicast+0x449/0x710 [ 7073.468663][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.468663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.468663][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.468663][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.468663][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.468663][ T72] [ 7073.470899][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7073.470899][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7073.470899][ T72] ipv6_find_idev+0x102/0x170 [ 7073.470899][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7073.470899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.470899][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.470899][ T72] netlink_unicast+0x449/0x710 [ 7073.470899][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.470899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.470899][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.470899][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.470899][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.470899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.470899][ T72] [ 7073.472621][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7073.472621][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7073.472621][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7073.472621][ T72] ipv6_find_idev+0x102/0x170 [ 7073.472621][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7073.472621][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.472621][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.472621][ T72] netlink_unicast+0x449/0x710 [ 7073.472621][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.472621][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.472621][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.472621][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.472621][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.472621][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.472621][ T72] [ 7073.474495][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7073.474840][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7073.474840][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.474840][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.474840][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.474840][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7073.474840][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7073.474840][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7073.474840][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7073.474840][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7073.474840][ T72] addrconf_dad_begin+0x310/0x670 [ 7073.474840][ T72] addrconf_dad_work+0x10b/0xab0 [ 7073.474840][ T72] process_one_work+0x84d/0x18a0 [ 7073.474840][ T72] worker_thread+0x587/0xd30 [ 7073.474840][ T72] kthread+0x28a/0x350 [ 7073.474840][ T72] ret_from_fork+0x31/0x70 [ 7073.474840][ T72] ret_from_fork_asm+0x1a/0x30 [ 7073.474840][ T72] [ 7073.476971][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7073.476971][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.476971][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.476971][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.476971][ T72] ip6_route_add+0x1c/0x140 [ 7073.476971][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7073.476971][ T72] inet6_addr_add+0x4f8/0xa40 [ 7073.476971][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.476971][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.476971][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.476971][ T72] netlink_unicast+0x449/0x710 [ 7073.476971][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.476971][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.476971][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.476971][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.476971][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.476971][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.476971][ T72] [ 7073.479212][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7073.479212][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.479212][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.479212][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.479212][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7073.479212][ T72] ipv6_add_addr+0x411/0x2000 [ 7073.479212][ T72] inet6_addr_add+0x30e/0xa40 [ 7073.479212][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.479212][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.479212][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.479212][ T72] netlink_unicast+0x449/0x710 [ 7073.479212][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.479212][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.479212][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.479212][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.479212][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.479212][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.479212][ T72] [ 7073.481516][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7073.481516][ T72] netdev_get_by_index+0x5e/0x80 [ 7073.481516][ T72] fib6_nh_init+0x3d8/0x1580 [ 7073.481516][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7073.481516][ T72] ip6_route_add+0x1c/0x140 [ 7073.481516][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7073.481516][ T72] addrconf_add_dev+0xe2/0x170 [ 7073.481516][ T72] inet6_addr_add+0x12f/0xa40 [ 7073.481516][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7073.481516][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.481516][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.481516][ T72] netlink_unicast+0x449/0x710 [ 7073.481516][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.481516][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.481516][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.481516][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.481516][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.481516][ T72] [ 7073.483713][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7073.483713][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7073.483713][ T72] ipv6_find_idev+0x102/0x170 [ 7073.483713][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7073.483713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.483713][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.483713][ T72] netlink_unicast+0x449/0x710 [ 7073.483713][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.483713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.483713][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.483713][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.483713][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.483713][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.483713][ T72] [ 7073.485444][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7073.485444][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7073.485444][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7073.485444][ T72] ipv6_find_idev+0x102/0x170 [ 7073.485444][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7073.485444][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7073.485444][ T72] netlink_rcv_skb+0x130/0x360 [ 7073.485444][ T72] netlink_unicast+0x449/0x710 [ 7073.485444][ T72] netlink_sendmsg+0x723/0xbe0 [ 7073.485444][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7073.485444][ T72] ___sys_sendmsg+0xee/0x170 [ 7073.485444][ T72] __sys_sendmsg+0xcd/0x170 [ 7073.485444][ T72] do_syscall_64+0xc6/0x1e0 [ 7073.485444][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7073.485444][ T72] [ 7083.728985][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7083.729867][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7083.729867][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7083.729867][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7083.729867][ T72] fib6_nh_init+0xa22/0x1580 [ 7083.729867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.729867][ T72] ip6_route_add+0x1c/0x140 [ 7083.729867][ T72] inet6_rtm_newroute+0x104/0x110 [ 7083.729867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.729867][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.729867][ T72] netlink_unicast+0x449/0x710 [ 7083.729867][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.729867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.729867][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.729867][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.729867][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.729867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.729867][ T72] [ 7083.731677][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7083.731677][ T72] dst_init+0x84/0x4a0 [ 7083.731677][ T72] dst_alloc+0x97/0x150 [ 7083.731677][ T72] ip6_dst_alloc+0x23/0x90 [ 7083.731677][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7083.731677][ T72] ip6_pol_route+0x56f/0x840 [ 7083.731677][ T72] fib6_rule_lookup+0x456/0x630 [ 7083.731677][ T72] ip6_route_input+0x59c/0xa50 [ 7083.731677][ T72] ipv6_rcv+0x397/0x810 [ 7083.731677][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7083.731677][ T72] process_backlog+0x101/0x620 [ 7083.731677][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7083.731677][ T72] net_rx_action+0x495/0xbe0 [ 7083.731677][ T72] __do_softirq+0x1b5/0x7f6 [ 7083.731677][ T72] [ 7083.733227][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7083.733227][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.733227][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.733227][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.733227][ T72] ip6_route_add+0x1c/0x140 [ 7083.733227][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7083.733227][ T72] inet6_addr_add+0x4f8/0xa40 [ 7083.733227][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.733227][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.733227][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.733227][ T72] netlink_unicast+0x449/0x710 [ 7083.733227][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.733227][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.733227][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.733227][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.733227][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.733227][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.733227][ T72] [ 7083.735182][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7083.735182][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.735182][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.735182][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.735182][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7083.735182][ T72] ipv6_add_addr+0x411/0x2000 [ 7083.735182][ T72] inet6_addr_add+0x30e/0xa40 [ 7083.735182][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.735182][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.735182][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.735182][ T72] netlink_unicast+0x449/0x710 [ 7083.735182][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.735182][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.735182][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.735182][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.735182][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.735182][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.735182][ T72] [ 7083.737169][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7083.737169][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.737169][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.737169][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.737169][ T72] ip6_route_add+0x1c/0x140 [ 7083.737169][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7083.737169][ T72] addrconf_add_dev+0xe2/0x170 [ 7083.737169][ T72] inet6_addr_add+0x12f/0xa40 [ 7083.737169][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.737169][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.737169][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.737169][ T72] netlink_unicast+0x449/0x710 [ 7083.737169][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.737169][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.737169][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.737169][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.737169][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.737169][ T72] [ 7083.739085][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7083.739085][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7083.739085][ T72] ipv6_find_idev+0x102/0x170 [ 7083.739085][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.739085][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.739085][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.739085][ T72] netlink_unicast+0x449/0x710 [ 7083.739085][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.739085][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.739085][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.739085][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.739085][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.739085][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.739085][ T72] [ 7083.740526][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7083.740526][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7083.740526][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7083.740526][ T72] ipv6_find_idev+0x102/0x170 [ 7083.740526][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.740526][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.740526][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.740526][ T72] netlink_unicast+0x449/0x710 [ 7083.740526][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.740526][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.740526][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.740526][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.740526][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.740526][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.740526][ T72] [ 7083.742130][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7083.742406][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7083.742406][ T72] dst_init+0x84/0x4a0 [ 7083.742406][ T72] dst_alloc+0x97/0x150 [ 7083.742406][ T72] ip6_dst_alloc+0x23/0x90 [ 7083.742406][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7083.742406][ T72] ip6_pol_route+0x56f/0x840 [ 7083.742406][ T72] fib6_rule_lookup+0x456/0x630 [ 7083.742406][ T72] ip6_route_input+0x59c/0xa50 [ 7083.742406][ T72] ipv6_rcv+0x397/0x810 [ 7083.742406][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7083.742406][ T72] process_backlog+0x101/0x620 [ 7083.742406][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7083.742406][ T72] net_rx_action+0x495/0xbe0 [ 7083.742406][ T72] __do_softirq+0x1b5/0x7f6 [ 7083.742406][ T72] [ 7083.744019][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7083.744019][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.744019][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.744019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.744019][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7083.744019][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7083.744019][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7083.744019][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7083.744019][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7083.744019][ T72] addrconf_dad_begin+0x310/0x670 [ 7083.744019][ T72] addrconf_dad_work+0x10b/0xab0 [ 7083.744019][ T72] process_one_work+0x84d/0x18a0 [ 7083.744019][ T72] worker_thread+0x587/0xd30 [ 7083.744019][ T72] kthread+0x28a/0x350 [ 7083.744019][ T72] ret_from_fork+0x31/0x70 [ 7083.744019][ T72] ret_from_fork_asm+0x1a/0x30 [ 7083.744019][ T72] [ 7083.745896][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7083.745896][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.745896][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.745896][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.745896][ T72] ip6_route_add+0x1c/0x140 [ 7083.745896][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7083.745896][ T72] inet6_addr_add+0x4f8/0xa40 [ 7083.745896][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.745896][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.745896][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.745896][ T72] netlink_unicast+0x449/0x710 [ 7083.745896][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.745896][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.745896][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.745896][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.745896][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.745896][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.745896][ T72] [ 7083.747789][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7083.747789][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.747789][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.747789][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.747789][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7083.747789][ T72] ipv6_add_addr+0x411/0x2000 [ 7083.747789][ T72] inet6_addr_add+0x30e/0xa40 [ 7083.747789][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.747789][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.747789][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.747789][ T72] netlink_unicast+0x449/0x710 [ 7083.747789][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.747789][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.747789][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.747789][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.747789][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.747789][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.747789][ T72] [ 7083.749713][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7083.749713][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.749713][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.749713][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.749713][ T72] ip6_route_add+0x1c/0x140 [ 7083.749713][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7083.749713][ T72] addrconf_add_dev+0xe2/0x170 [ 7083.749713][ T72] inet6_addr_add+0x12f/0xa40 [ 7083.749713][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.749713][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.749713][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.749713][ T72] netlink_unicast+0x449/0x710 [ 7083.749713][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.749713][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.749713][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.749713][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.749713][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.749713][ T72] [ 7083.752347][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7083.752347][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7083.752347][ T72] ipv6_find_idev+0x102/0x170 [ 7083.752347][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.752347][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.752347][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.752347][ T72] netlink_unicast+0x449/0x710 [ 7083.752347][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.752347][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.752347][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.752347][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.752347][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.752347][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.752347][ T72] [ 7083.753970][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7083.753970][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7083.753970][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7083.753970][ T72] ipv6_find_idev+0x102/0x170 [ 7083.753970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.753970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.753970][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.753970][ T72] netlink_unicast+0x449/0x710 [ 7083.753970][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.753970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.753970][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.753970][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.753970][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.753970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.753970][ T72] [ 7083.755713][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7083.756000][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7083.756000][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7083.756000][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7083.756000][ T72] fib6_nh_init+0xa22/0x1580 [ 7083.756000][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.756000][ T72] ip6_route_add+0x1c/0x140 [ 7083.756000][ T72] inet6_rtm_newroute+0x104/0x110 [ 7083.756000][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.756000][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.756000][ T72] netlink_unicast+0x449/0x710 [ 7083.756000][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.756000][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.756000][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.756000][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.756000][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.756000][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.756000][ T72] [ 7083.758147][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7083.758147][ T72] dst_init+0x84/0x4a0 [ 7083.758147][ T72] dst_alloc+0x97/0x150 [ 7083.758147][ T72] ip6_dst_alloc+0x23/0x90 [ 7083.758147][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7083.758147][ T72] ip6_pol_route+0x56f/0x840 [ 7083.758147][ T72] fib6_rule_lookup+0x456/0x630 [ 7083.758147][ T72] ip6_route_input+0x59c/0xa50 [ 7083.758147][ T72] ipv6_rcv+0x397/0x810 [ 7083.758147][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7083.758147][ T72] process_backlog+0x101/0x620 [ 7083.758147][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7083.758147][ T72] net_rx_action+0x495/0xbe0 [ 7083.758147][ T72] __do_softirq+0x1b5/0x7f6 [ 7083.758147][ T72] [ 7083.760045][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7083.760045][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.760045][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.760045][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.760045][ T72] ip6_route_add+0x1c/0x140 [ 7083.760045][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7083.760045][ T72] inet6_addr_add+0x4f8/0xa40 [ 7083.760045][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.760045][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.760045][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.760045][ T72] netlink_unicast+0x449/0x710 [ 7083.760045][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.760045][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.760045][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.760045][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.760045][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.760045][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.760045][ T72] [ 7083.762235][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7083.762235][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.762235][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.762235][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.762235][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7083.762235][ T72] ipv6_add_addr+0x411/0x2000 [ 7083.762235][ T72] inet6_addr_add+0x30e/0xa40 [ 7083.762235][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.762235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.762235][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.762235][ T72] netlink_unicast+0x449/0x710 [ 7083.762235][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.762235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.762235][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.762235][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.762235][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.762235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.762235][ T72] [ 7083.764499][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7083.764499][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.764499][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.764499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.764499][ T72] ip6_route_add+0x1c/0x140 [ 7083.764499][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7083.764499][ T72] addrconf_add_dev+0xe2/0x170 [ 7083.764499][ T72] inet6_addr_add+0x12f/0xa40 [ 7083.764499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.764499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.764499][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.764499][ T72] netlink_unicast+0x449/0x710 [ 7083.764499][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.764499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.764499][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.764499][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.764499][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.764499][ T72] [ 7083.766735][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7083.766735][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7083.766735][ T72] ipv6_find_idev+0x102/0x170 [ 7083.766735][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.766735][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.766735][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.766735][ T72] netlink_unicast+0x449/0x710 [ 7083.766735][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.766735][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.766735][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.766735][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.766735][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.766735][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.766735][ T72] [ 7083.768534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7083.768534][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7083.768534][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7083.768534][ T72] ipv6_find_idev+0x102/0x170 [ 7083.768534][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.768534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.768534][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.768534][ T72] netlink_unicast+0x449/0x710 [ 7083.768534][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.768534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.768534][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.768534][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.768534][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.768534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.768534][ T72] [ 7083.770397][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7083.770719][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7083.770719][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.770719][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.770719][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.770719][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7083.770719][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7083.770719][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7083.770719][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7083.770719][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7083.770719][ T72] addrconf_dad_begin+0x310/0x670 [ 7083.770719][ T72] addrconf_dad_work+0x10b/0xab0 [ 7083.770719][ T72] process_one_work+0x84d/0x18a0 [ 7083.770719][ T72] worker_thread+0x587/0xd30 [ 7083.770719][ T72] kthread+0x28a/0x350 [ 7083.770719][ T72] ret_from_fork+0x31/0x70 [ 7083.770719][ T72] ret_from_fork_asm+0x1a/0x30 [ 7083.770719][ T72] [ 7083.772831][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7083.772831][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.772831][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.772831][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.772831][ T72] ip6_route_add+0x1c/0x140 [ 7083.772831][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7083.772831][ T72] inet6_addr_add+0x4f8/0xa40 [ 7083.772831][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.772831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.772831][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.772831][ T72] netlink_unicast+0x449/0x710 [ 7083.772831][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.772831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.772831][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.772831][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.772831][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.772831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.772831][ T72] [ 7083.775022][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7083.775022][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.775022][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.775022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.775022][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7083.775022][ T72] ipv6_add_addr+0x411/0x2000 [ 7083.775022][ T72] inet6_addr_add+0x30e/0xa40 [ 7083.775022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.775022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.775022][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.775022][ T72] netlink_unicast+0x449/0x710 [ 7083.775022][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.775022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.775022][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.775022][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.775022][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.775022][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.775022][ T72] [ 7083.777374][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7083.777374][ T72] netdev_get_by_index+0x5e/0x80 [ 7083.777374][ T72] fib6_nh_init+0x3d8/0x1580 [ 7083.777374][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7083.777374][ T72] ip6_route_add+0x1c/0x140 [ 7083.777374][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7083.777374][ T72] addrconf_add_dev+0xe2/0x170 [ 7083.777374][ T72] inet6_addr_add+0x12f/0xa40 [ 7083.777374][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7083.777374][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.777374][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.777374][ T72] netlink_unicast+0x449/0x710 [ 7083.777374][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.777374][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.777374][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.777374][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.777374][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.777374][ T72] [ 7083.779584][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7083.779584][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7083.779584][ T72] ipv6_find_idev+0x102/0x170 [ 7083.779584][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.779584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.779584][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.779584][ T72] netlink_unicast+0x449/0x710 [ 7083.779584][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.779584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.779584][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.779584][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.779584][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.779584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.779584][ T72] [ 7083.781297][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7083.781297][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7083.781297][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7083.781297][ T72] ipv6_find_idev+0x102/0x170 [ 7083.781297][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7083.781297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7083.781297][ T72] netlink_rcv_skb+0x130/0x360 [ 7083.781297][ T72] netlink_unicast+0x449/0x710 [ 7083.781297][ T72] netlink_sendmsg+0x723/0xbe0 [ 7083.781297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7083.781297][ T72] ___sys_sendmsg+0xee/0x170 [ 7083.781297][ T72] __sys_sendmsg+0xcd/0x170 [ 7083.781297][ T72] do_syscall_64+0xc6/0x1e0 [ 7083.781297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7083.781297][ T72] [ 7094.024982][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7094.025929][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7094.025929][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7094.025929][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7094.025929][ T72] fib6_nh_init+0xa22/0x1580 [ 7094.025929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.025929][ T72] ip6_route_add+0x1c/0x140 [ 7094.025929][ T72] inet6_rtm_newroute+0x104/0x110 [ 7094.025929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.025929][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.025929][ T72] netlink_unicast+0x449/0x710 [ 7094.025929][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.025929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.025929][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.025929][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.025929][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.025929][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.025929][ T72] [ 7094.027838][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7094.027838][ T72] dst_init+0x84/0x4a0 [ 7094.027838][ T72] dst_alloc+0x97/0x150 [ 7094.027838][ T72] ip6_dst_alloc+0x23/0x90 [ 7094.027838][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7094.027838][ T72] ip6_pol_route+0x56f/0x840 [ 7094.027838][ T72] fib6_rule_lookup+0x456/0x630 [ 7094.027838][ T72] ip6_route_input+0x59c/0xa50 [ 7094.027838][ T72] ipv6_rcv+0x397/0x810 [ 7094.027838][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7094.027838][ T72] process_backlog+0x101/0x620 [ 7094.027838][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7094.027838][ T72] net_rx_action+0x495/0xbe0 [ 7094.027838][ T72] __do_softirq+0x1b5/0x7f6 [ 7094.027838][ T72] [ 7094.029555][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7094.029555][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.029555][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.029555][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.029555][ T72] ip6_route_add+0x1c/0x140 [ 7094.029555][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7094.029555][ T72] inet6_addr_add+0x4f8/0xa40 [ 7094.029555][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.029555][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.029555][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.029555][ T72] netlink_unicast+0x449/0x710 [ 7094.029555][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.029555][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.029555][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.029555][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.029555][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.029555][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.029555][ T72] [ 7094.031520][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7094.031520][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.031520][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.031520][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.031520][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7094.031520][ T72] ipv6_add_addr+0x411/0x2000 [ 7094.031520][ T72] inet6_addr_add+0x30e/0xa40 [ 7094.031520][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.031520][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.031520][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.031520][ T72] netlink_unicast+0x449/0x710 [ 7094.031520][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.031520][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.031520][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.031520][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.031520][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.031520][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.031520][ T72] [ 7094.033483][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7094.033483][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.033483][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.033483][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.033483][ T72] ip6_route_add+0x1c/0x140 [ 7094.033483][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7094.033483][ T72] addrconf_add_dev+0xe2/0x170 [ 7094.033483][ T72] inet6_addr_add+0x12f/0xa40 [ 7094.033483][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.033483][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.033483][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.033483][ T72] netlink_unicast+0x449/0x710 [ 7094.033483][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.033483][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.033483][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.033483][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.033483][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.033483][ T72] [ 7094.035409][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7094.035409][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7094.035409][ T72] ipv6_find_idev+0x102/0x170 [ 7094.035409][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7094.035409][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.035409][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.035409][ T72] netlink_unicast+0x449/0x710 [ 7094.035409][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.035409][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.035409][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.035409][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.035409][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.035409][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.035409][ T72] [ 7094.036943][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7094.036943][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7094.036943][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7094.036943][ T72] ipv6_find_idev+0x102/0x170 [ 7094.036943][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7094.036943][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.036943][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.036943][ T72] netlink_unicast+0x449/0x710 [ 7094.036943][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.036943][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.036943][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.036943][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.036943][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.036943][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.036943][ T72] [ 7094.038601][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7094.038885][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7094.038885][ T72] dst_init+0x84/0x4a0 [ 7094.038885][ T72] dst_alloc+0x97/0x150 [ 7094.038885][ T72] ip6_dst_alloc+0x23/0x90 [ 7094.038885][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7094.038885][ T72] ip6_pol_route+0x56f/0x840 [ 7094.038885][ T72] fib6_rule_lookup+0x456/0x630 [ 7094.038885][ T72] ip6_route_input+0x59c/0xa50 [ 7094.038885][ T72] ipv6_rcv+0x397/0x810 [ 7094.038885][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7094.038885][ T72] process_backlog+0x101/0x620 [ 7094.038885][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7094.038885][ T72] net_rx_action+0x495/0xbe0 [ 7094.038885][ T72] __do_softirq+0x1b5/0x7f6 [ 7094.038885][ T72] [ 7094.040510][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7094.040510][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.040510][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.040510][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.040510][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7094.040510][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7094.040510][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7094.040510][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7094.040510][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7094.040510][ T72] addrconf_dad_begin+0x310/0x670 [ 7094.040510][ T72] addrconf_dad_work+0x10b/0xab0 [ 7094.040510][ T72] process_one_work+0x84d/0x18a0 [ 7094.040510][ T72] worker_thread+0x587/0xd30 [ 7094.040510][ T72] kthread+0x28a/0x350 [ 7094.040510][ T72] ret_from_fork+0x31/0x70 [ 7094.040510][ T72] ret_from_fork_asm+0x1a/0x30 [ 7094.040510][ T72] [ 7094.042392][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7094.042392][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.042392][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.042392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.042392][ T72] ip6_route_add+0x1c/0x140 [ 7094.042392][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7094.042392][ T72] inet6_addr_add+0x4f8/0xa40 [ 7094.042392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.042392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.042392][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.042392][ T72] netlink_unicast+0x449/0x710 [ 7094.042392][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.042392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.042392][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.042392][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.042392][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.042392][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.042392][ T72] [ 7094.044420][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7094.044420][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.044420][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.044420][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.044420][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7094.044420][ T72] ipv6_add_addr+0x411/0x2000 [ 7094.044420][ T72] inet6_addr_add+0x30e/0xa40 [ 7094.044420][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.044420][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.044420][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.044420][ T72] netlink_unicast+0x449/0x710 [ 7094.044420][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.044420][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.044420][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.044420][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.044420][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.044420][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.044420][ T72] [ 7094.046377][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7094.046377][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.046377][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.046377][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.046377][ T72] ip6_route_add+0x1c/0x140 [ 7094.046377][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7094.046377][ T72] addrconf_add_dev+0xe2/0x170 [ 7094.046377][ T72] inet6_addr_add+0x12f/0xa40 [ 7094.046377][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.046377][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.046377][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.046377][ T72] netlink_unicast+0x449/0x710 [ 7094.046377][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.046377][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.046377][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.046377][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.046377][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.046377][ T72] [ 7094.048348][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7094.048348][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7094.048348][ T72] ipv6_find_idev+0x102/0x170 [ 7094.048348][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7094.048348][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.048348][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.048348][ T72] netlink_unicast+0x449/0x710 [ 7094.048348][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.048348][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.048348][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.048348][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.048348][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.048348][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.048348][ T72] [ 7094.049914][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7094.049914][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7094.049914][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7094.049914][ T72] ipv6_find_idev+0x102/0x170 [ 7094.049914][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7094.049914][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.049914][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.049914][ T72] netlink_unicast+0x449/0x710 [ 7094.049914][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.049914][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.049914][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.049914][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.049914][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.049914][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.049914][ T72] [ 7094.051742][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7094.052057][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7094.052057][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7094.052057][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7094.052057][ T72] fib6_nh_init+0xa22/0x1580 [ 7094.052057][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.052057][ T72] ip6_route_add+0x1c/0x140 [ 7094.052057][ T72] inet6_rtm_newroute+0x104/0x110 [ 7094.052057][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.052057][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.052057][ T72] netlink_unicast+0x449/0x710 [ 7094.052057][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.052057][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.052057][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.052057][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.052057][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.052057][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.052057][ T72] [ 7094.054174][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7094.054174][ T72] dst_init+0x84/0x4a0 [ 7094.054174][ T72] dst_alloc+0x97/0x150 [ 7094.054174][ T72] ip6_dst_alloc+0x23/0x90 [ 7094.054174][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7094.054174][ T72] ip6_pol_route+0x56f/0x840 [ 7094.054174][ T72] fib6_rule_lookup+0x456/0x630 [ 7094.054174][ T72] ip6_route_input+0x59c/0xa50 [ 7094.054174][ T72] ipv6_rcv+0x397/0x810 [ 7094.054174][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7094.054174][ T72] process_backlog+0x101/0x620 [ 7094.054174][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7094.054174][ T72] net_rx_action+0x495/0xbe0 [ 7094.054174][ T72] __do_softirq+0x1b5/0x7f6 [ 7094.054174][ T72] [ 7094.056016][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7094.056016][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.056016][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.056016][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.056016][ T72] ip6_route_add+0x1c/0x140 [ 7094.056016][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7094.056016][ T72] inet6_addr_add+0x4f8/0xa40 [ 7094.056016][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.056016][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.056016][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.056016][ T72] netlink_unicast+0x449/0x710 [ 7094.056016][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.056016][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.056016][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.056016][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.056016][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.056016][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.056016][ T72] [ 7094.058273][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7094.058273][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.058273][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.058273][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.058273][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7094.058273][ T72] ipv6_add_addr+0x411/0x2000 [ 7094.058273][ T72] inet6_addr_add+0x30e/0xa40 [ 7094.058273][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.058273][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.058273][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.058273][ T72] netlink_unicast+0x449/0x710 [ 7094.058273][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.058273][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.058273][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.058273][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.058273][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.058273][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.058273][ T72] [ 7094.060506][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7094.060506][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.060506][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.060506][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.060506][ T72] ip6_route_add+0x1c/0x140 [ 7094.060506][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7094.060506][ T72] addrconf_add_dev+0xe2/0x170 [ 7094.060506][ T72] inet6_addr_add+0x12f/0xa40 [ 7094.060506][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.060506][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.060506][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.060506][ T72] netlink_unicast+0x449/0x710 [ 7094.060506][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.060506][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.060506][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.060506][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.060506][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.060506][ T72] [ 7094.062779][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7094.062779][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7094.062779][ T72] ipv6_find_idev+0x102/0x170 [ 7094.062779][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7094.062779][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.062779][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.062779][ T72] netlink_unicast+0x449/0x710 [ 7094.062779][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.062779][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.062779][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.062779][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.062779][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.062779][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.062779][ T72] [ 7094.064546][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7094.064546][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7094.064546][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7094.064546][ T72] ipv6_find_idev+0x102/0x170 [ 7094.064546][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7094.064546][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.064546][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.064546][ T72] netlink_unicast+0x449/0x710 [ 7094.064546][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.064546][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.064546][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.064546][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.064546][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.064546][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.064546][ T72] [ 7094.066429][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7094.066706][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7094.066706][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.066706][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.066706][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.066706][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7094.066706][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7094.066706][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7094.066706][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7094.066706][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7094.066706][ T72] addrconf_dad_begin+0x310/0x670 [ 7094.066706][ T72] addrconf_dad_work+0x10b/0xab0 [ 7094.066706][ T72] process_one_work+0x84d/0x18a0 [ 7094.066706][ T72] worker_thread+0x587/0xd30 [ 7094.066706][ T72] kthread+0x28a/0x350 [ 7094.066706][ T72] ret_from_fork+0x31/0x70 [ 7094.066706][ T72] ret_from_fork_asm+0x1a/0x30 [ 7094.066706][ T72] [ 7094.068854][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7094.068854][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.068854][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.068854][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.068854][ T72] ip6_route_add+0x1c/0x140 [ 7094.068854][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7094.068854][ T72] inet6_addr_add+0x4f8/0xa40 [ 7094.068854][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.068854][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.068854][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.068854][ T72] netlink_unicast+0x449/0x710 [ 7094.068854][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.068854][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.068854][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.068854][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.068854][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.068854][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.068854][ T72] [ 7094.071114][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7094.071114][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.071114][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.071114][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.071114][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7094.071114][ T72] ipv6_add_addr+0x411/0x2000 [ 7094.071114][ T72] inet6_addr_add+0x30e/0xa40 [ 7094.071114][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.071114][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.071114][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.071114][ T72] netlink_unicast+0x449/0x710 [ 7094.071114][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.071114][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.071114][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.071114][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.071114][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.071114][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.071114][ T72] [ 7094.073434][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7094.073434][ T72] netdev_get_by_index+0x5e/0x80 [ 7094.073434][ T72] fib6_nh_init+0x3d8/0x1580 [ 7094.073434][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7094.073434][ T72] ip6_route_add+0x1c/0x140 [ 7094.073434][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7094.073434][ T72] addrconf_add_dev+0xe2/0x170 [ 7094.073434][ T72] inet6_addr_add+0x12f/0xa40 [ 7094.073434][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7094.073434][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.073434][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.073434][ T72] netlink_unicast+0x449/0x710 [ 7094.073434][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.073434][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.073434][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.073434][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.073434][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.073434][ T72] [ 7094.075592][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7094.075592][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7094.075592][ T72] ipv6_find_idev+0x102/0x170 [ 7094.075592][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7094.075592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.075592][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.075592][ T72] netlink_unicast+0x449/0x710 [ 7094.075592][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.075592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.075592][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.075592][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.075592][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.075592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.075592][ T72] [ 7094.077312][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7094.077312][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7094.077312][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7094.077312][ T72] ipv6_find_idev+0x102/0x170 [ 7094.077312][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7094.077312][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7094.077312][ T72] netlink_rcv_skb+0x130/0x360 [ 7094.077312][ T72] netlink_unicast+0x449/0x710 [ 7094.077312][ T72] netlink_sendmsg+0x723/0xbe0 [ 7094.077312][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7094.077312][ T72] ___sys_sendmsg+0xee/0x170 [ 7094.077312][ T72] __sys_sendmsg+0xcd/0x170 [ 7094.077312][ T72] do_syscall_64+0xc6/0x1e0 [ 7094.077312][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7094.077312][ T72] [ 7104.320970][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7104.321792][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7104.321792][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7104.321792][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7104.321792][ T72] fib6_nh_init+0xa22/0x1580 [ 7104.321792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.321792][ T72] ip6_route_add+0x1c/0x140 [ 7104.321792][ T72] inet6_rtm_newroute+0x104/0x110 [ 7104.321792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.321792][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.321792][ T72] netlink_unicast+0x449/0x710 [ 7104.321792][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.321792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.321792][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.321792][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.321792][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.321792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.321792][ T72] [ 7104.323636][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7104.323636][ T72] dst_init+0x84/0x4a0 [ 7104.323636][ T72] dst_alloc+0x97/0x150 [ 7104.323636][ T72] ip6_dst_alloc+0x23/0x90 [ 7104.323636][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7104.323636][ T72] ip6_pol_route+0x56f/0x840 [ 7104.323636][ T72] fib6_rule_lookup+0x456/0x630 [ 7104.323636][ T72] ip6_route_input+0x59c/0xa50 [ 7104.323636][ T72] ipv6_rcv+0x397/0x810 [ 7104.323636][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7104.323636][ T72] process_backlog+0x101/0x620 [ 7104.323636][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7104.323636][ T72] net_rx_action+0x495/0xbe0 [ 7104.323636][ T72] __do_softirq+0x1b5/0x7f6 [ 7104.323636][ T72] [ 7104.325202][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7104.325202][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.325202][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.325202][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.325202][ T72] ip6_route_add+0x1c/0x140 [ 7104.325202][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7104.325202][ T72] inet6_addr_add+0x4f8/0xa40 [ 7104.325202][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.325202][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.325202][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.325202][ T72] netlink_unicast+0x449/0x710 [ 7104.325202][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.325202][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.325202][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.325202][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.325202][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.325202][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.325202][ T72] [ 7104.327242][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7104.327242][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.327242][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.327242][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.327242][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7104.327242][ T72] ipv6_add_addr+0x411/0x2000 [ 7104.327242][ T72] inet6_addr_add+0x30e/0xa40 [ 7104.327242][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.327242][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.327242][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.327242][ T72] netlink_unicast+0x449/0x710 [ 7104.327242][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.327242][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.327242][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.327242][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.327242][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.327242][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.327242][ T72] [ 7104.329224][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7104.329224][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.329224][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.329224][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.329224][ T72] ip6_route_add+0x1c/0x140 [ 7104.329224][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7104.329224][ T72] addrconf_add_dev+0xe2/0x170 [ 7104.329224][ T72] inet6_addr_add+0x12f/0xa40 [ 7104.329224][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.329224][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.329224][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.329224][ T72] netlink_unicast+0x449/0x710 [ 7104.329224][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.329224][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.329224][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.329224][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.329224][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.329224][ T72] [ 7104.331151][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7104.331151][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7104.331151][ T72] ipv6_find_idev+0x102/0x170 [ 7104.331151][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7104.331151][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.331151][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.331151][ T72] netlink_unicast+0x449/0x710 [ 7104.331151][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.331151][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.331151][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.331151][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.331151][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.331151][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.331151][ T72] [ 7104.332663][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7104.332663][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7104.332663][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7104.332663][ T72] ipv6_find_idev+0x102/0x170 [ 7104.332663][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7104.332663][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.332663][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.332663][ T72] netlink_unicast+0x449/0x710 [ 7104.332663][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.332663][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.332663][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.332663][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.332663][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.332663][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.332663][ T72] [ 7104.334335][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7104.334605][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7104.334605][ T72] dst_init+0x84/0x4a0 [ 7104.334605][ T72] dst_alloc+0x97/0x150 [ 7104.334605][ T72] ip6_dst_alloc+0x23/0x90 [ 7104.334605][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7104.334605][ T72] ip6_pol_route+0x56f/0x840 [ 7104.334605][ T72] fib6_rule_lookup+0x456/0x630 [ 7104.334605][ T72] ip6_route_input+0x59c/0xa50 [ 7104.334605][ T72] ipv6_rcv+0x397/0x810 [ 7104.334605][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7104.334605][ T72] process_backlog+0x101/0x620 [ 7104.334605][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7104.334605][ T72] net_rx_action+0x495/0xbe0 [ 7104.334605][ T72] __do_softirq+0x1b5/0x7f6 [ 7104.334605][ T72] [ 7104.336285][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7104.336285][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.336285][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.336285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.336285][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7104.336285][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7104.336285][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7104.336285][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7104.336285][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7104.336285][ T72] addrconf_dad_begin+0x310/0x670 [ 7104.336285][ T72] addrconf_dad_work+0x10b/0xab0 [ 7104.336285][ T72] process_one_work+0x84d/0x18a0 [ 7104.336285][ T72] worker_thread+0x587/0xd30 [ 7104.336285][ T72] kthread+0x28a/0x350 [ 7104.336285][ T72] ret_from_fork+0x31/0x70 [ 7104.336285][ T72] ret_from_fork_asm+0x1a/0x30 [ 7104.336285][ T72] [ 7104.338168][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7104.338168][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.338168][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.338168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.338168][ T72] ip6_route_add+0x1c/0x140 [ 7104.338168][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7104.338168][ T72] inet6_addr_add+0x4f8/0xa40 [ 7104.338168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.338168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.338168][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.338168][ T72] netlink_unicast+0x449/0x710 [ 7104.338168][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.338168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.338168][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.338168][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.338168][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.338168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.338168][ T72] [ 7104.340156][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7104.340156][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.340156][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.340156][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.340156][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7104.340156][ T72] ipv6_add_addr+0x411/0x2000 [ 7104.340156][ T72] inet6_addr_add+0x30e/0xa40 [ 7104.340156][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.340156][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.340156][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.340156][ T72] netlink_unicast+0x449/0x710 [ 7104.340156][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.340156][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.340156][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.340156][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.340156][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.340156][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.340156][ T72] [ 7104.342162][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7104.342162][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.342162][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.342162][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.342162][ T72] ip6_route_add+0x1c/0x140 [ 7104.342162][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7104.342162][ T72] addrconf_add_dev+0xe2/0x170 [ 7104.342162][ T72] inet6_addr_add+0x12f/0xa40 [ 7104.342162][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.342162][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.342162][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.342162][ T72] netlink_unicast+0x449/0x710 [ 7104.342162][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.342162][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.342162][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.342162][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.342162][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.342162][ T72] [ 7104.344124][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7104.344124][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7104.344124][ T72] ipv6_find_idev+0x102/0x170 [ 7104.344124][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7104.344124][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.344124][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.344124][ T72] netlink_unicast+0x449/0x710 [ 7104.344124][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.344124][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.344124][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.344124][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.344124][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.344124][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.344124][ T72] [ 7104.345688][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7104.345688][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7104.345688][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7104.345688][ T72] ipv6_find_idev+0x102/0x170 [ 7104.345688][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7104.345688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.345688][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.345688][ T72] netlink_unicast+0x449/0x710 [ 7104.345688][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.345688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.345688][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.345688][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.345688][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.345688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.345688][ T72] [ 7104.347497][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7104.347790][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7104.347790][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7104.347790][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7104.347790][ T72] fib6_nh_init+0xa22/0x1580 [ 7104.347790][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.347790][ T72] ip6_route_add+0x1c/0x140 [ 7104.347790][ T72] inet6_rtm_newroute+0x104/0x110 [ 7104.347790][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.347790][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.347790][ T72] netlink_unicast+0x449/0x710 [ 7104.347790][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.347790][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.347790][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.347790][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.347790][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.347790][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.347790][ T72] [ 7104.349924][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7104.349924][ T72] dst_init+0x84/0x4a0 [ 7104.349924][ T72] dst_alloc+0x97/0x150 [ 7104.349924][ T72] ip6_dst_alloc+0x23/0x90 [ 7104.349924][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7104.349924][ T72] ip6_pol_route+0x56f/0x840 [ 7104.349924][ T72] fib6_rule_lookup+0x456/0x630 [ 7104.349924][ T72] ip6_route_input+0x59c/0xa50 [ 7104.349924][ T72] ipv6_rcv+0x397/0x810 [ 7104.349924][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7104.349924][ T72] process_backlog+0x101/0x620 [ 7104.349924][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7104.349924][ T72] net_rx_action+0x495/0xbe0 [ 7104.349924][ T72] __do_softirq+0x1b5/0x7f6 [ 7104.349924][ T72] [ 7104.351833][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7104.351833][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.351833][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.351833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.351833][ T72] ip6_route_add+0x1c/0x140 [ 7104.351833][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7104.351833][ T72] inet6_addr_add+0x4f8/0xa40 [ 7104.351833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.351833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.351833][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.351833][ T72] netlink_unicast+0x449/0x710 [ 7104.351833][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.351833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.351833][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.351833][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.351833][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.351833][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.351833][ T72] [ 7104.354021][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7104.354021][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.354021][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.354021][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.354021][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7104.354021][ T72] ipv6_add_addr+0x411/0x2000 [ 7104.354021][ T72] inet6_addr_add+0x30e/0xa40 [ 7104.354021][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.354021][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.354021][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.354021][ T72] netlink_unicast+0x449/0x710 [ 7104.354021][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.354021][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.354021][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.354021][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.354021][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.354021][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.354021][ T72] [ 7104.356299][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7104.356299][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.356299][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.356299][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.356299][ T72] ip6_route_add+0x1c/0x140 [ 7104.356299][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7104.356299][ T72] addrconf_add_dev+0xe2/0x170 [ 7104.356299][ T72] inet6_addr_add+0x12f/0xa40 [ 7104.356299][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.356299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.356299][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.356299][ T72] netlink_unicast+0x449/0x710 [ 7104.356299][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.356299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.356299][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.356299][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.356299][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.356299][ T72] [ 7104.358584][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7104.358584][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7104.358584][ T72] ipv6_find_idev+0x102/0x170 [ 7104.358584][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7104.358584][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.358584][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.358584][ T72] netlink_unicast+0x449/0x710 [ 7104.358584][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.358584][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.358584][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.358584][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.358584][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.358584][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.358584][ T72] [ 7104.360339][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7104.360339][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7104.360339][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7104.360339][ T72] ipv6_find_idev+0x102/0x170 [ 7104.360339][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7104.360339][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.360339][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.360339][ T72] netlink_unicast+0x449/0x710 [ 7104.360339][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.360339][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.360339][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.360339][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.360339][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.360339][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.360339][ T72] [ 7104.362239][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7104.362594][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7104.362594][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.362594][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.362594][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.362594][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7104.362594][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7104.362594][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7104.362594][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7104.362594][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7104.362594][ T72] addrconf_dad_begin+0x310/0x670 [ 7104.362594][ T72] addrconf_dad_work+0x10b/0xab0 [ 7104.362594][ T72] process_one_work+0x84d/0x18a0 [ 7104.362594][ T72] worker_thread+0x587/0xd30 [ 7104.362594][ T72] kthread+0x28a/0x350 [ 7104.362594][ T72] ret_from_fork+0x31/0x70 [ 7104.362594][ T72] ret_from_fork_asm+0x1a/0x30 [ 7104.362594][ T72] [ 7104.364696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7104.364696][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.364696][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.364696][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.364696][ T72] ip6_route_add+0x1c/0x140 [ 7104.364696][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7104.364696][ T72] inet6_addr_add+0x4f8/0xa40 [ 7104.364696][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.364696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.364696][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.364696][ T72] netlink_unicast+0x449/0x710 [ 7104.364696][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.364696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.364696][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.364696][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.364696][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.364696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.364696][ T72] [ 7104.366968][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7104.366968][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.366968][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.366968][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.366968][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7104.366968][ T72] ipv6_add_addr+0x411/0x2000 [ 7104.366968][ T72] inet6_addr_add+0x30e/0xa40 [ 7104.366968][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.366968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.366968][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.366968][ T72] netlink_unicast+0x449/0x710 [ 7104.366968][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.366968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.366968][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.366968][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.366968][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.366968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.366968][ T72] [ 7104.369821][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7104.369821][ T72] netdev_get_by_index+0x5e/0x80 [ 7104.369821][ T72] fib6_nh_init+0x3d8/0x1580 [ 7104.369821][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7104.369821][ T72] ip6_route_add+0x1c/0x140 [ 7104.369821][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7104.369821][ T72] addrconf_add_dev+0xe2/0x170 [ 7104.369821][ T72] inet6_addr_add+0x12f/0xa40 [ 7104.369821][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7104.369821][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.369821][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.369821][ T72] netlink_unicast+0x449/0x710 [ 7104.369821][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.369821][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.369821][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.369821][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.369821][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.369821][ T72] [ 7104.372019][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7104.372019][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7104.372019][ T72] ipv6_find_idev+0x102/0x170 [ 7104.372019][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7104.372019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.372019][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.372019][ T72] netlink_unicast+0x449/0x710 [ 7104.372019][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.372019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.372019][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.372019][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.372019][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.372019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.372019][ T72] [ 7104.373760][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7104.373760][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7104.373760][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7104.373760][ T72] ipv6_find_idev+0x102/0x170 [ 7104.373760][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7104.373760][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7104.373760][ T72] netlink_rcv_skb+0x130/0x360 [ 7104.373760][ T72] netlink_unicast+0x449/0x710 [ 7104.373760][ T72] netlink_sendmsg+0x723/0xbe0 [ 7104.373760][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7104.373760][ T72] ___sys_sendmsg+0xee/0x170 [ 7104.373760][ T72] __sys_sendmsg+0xcd/0x170 [ 7104.373760][ T72] do_syscall_64+0xc6/0x1e0 [ 7104.373760][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7104.373760][ T72] [ 7114.833098][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7114.834049][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7114.834049][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7114.834049][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7114.834049][ T72] fib6_nh_init+0xa22/0x1580 [ 7114.834049][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.834049][ T72] ip6_route_add+0x1c/0x140 [ 7114.834049][ T72] inet6_rtm_newroute+0x104/0x110 [ 7114.834049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.834049][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.834049][ T72] netlink_unicast+0x449/0x710 [ 7114.834049][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.834049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.834049][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.834049][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.834049][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.834049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.834049][ T72] [ 7114.835982][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7114.835982][ T72] dst_init+0x84/0x4a0 [ 7114.835982][ T72] dst_alloc+0x97/0x150 [ 7114.835982][ T72] ip6_dst_alloc+0x23/0x90 [ 7114.835982][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7114.835982][ T72] ip6_pol_route+0x56f/0x840 [ 7114.835982][ T72] fib6_rule_lookup+0x456/0x630 [ 7114.835982][ T72] ip6_route_input+0x59c/0xa50 [ 7114.835982][ T72] ipv6_rcv+0x397/0x810 [ 7114.835982][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7114.835982][ T72] process_backlog+0x101/0x620 [ 7114.835982][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7114.835982][ T72] net_rx_action+0x495/0xbe0 [ 7114.835982][ T72] __do_softirq+0x1b5/0x7f6 [ 7114.835982][ T72] [ 7114.837537][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7114.837537][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.837537][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.837537][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.837537][ T72] ip6_route_add+0x1c/0x140 [ 7114.837537][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7114.837537][ T72] inet6_addr_add+0x4f8/0xa40 [ 7114.837537][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.837537][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.837537][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.837537][ T72] netlink_unicast+0x449/0x710 [ 7114.837537][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.837537][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.837537][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.837537][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.837537][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.837537][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.837537][ T72] [ 7114.839432][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7114.839432][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.839432][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.839432][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.839432][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7114.839432][ T72] ipv6_add_addr+0x411/0x2000 [ 7114.839432][ T72] inet6_addr_add+0x30e/0xa40 [ 7114.839432][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.839432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.839432][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.839432][ T72] netlink_unicast+0x449/0x710 [ 7114.839432][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.839432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.839432][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.839432][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.839432][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.839432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.839432][ T72] [ 7114.841351][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7114.841351][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.841351][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.841351][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.841351][ T72] ip6_route_add+0x1c/0x140 [ 7114.841351][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7114.841351][ T72] addrconf_add_dev+0xe2/0x170 [ 7114.841351][ T72] inet6_addr_add+0x12f/0xa40 [ 7114.841351][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.841351][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.841351][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.841351][ T72] netlink_unicast+0x449/0x710 [ 7114.841351][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.841351][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.841351][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.841351][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.841351][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.841351][ T72] [ 7114.843289][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7114.843289][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7114.843289][ T72] ipv6_find_idev+0x102/0x170 [ 7114.843289][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.843289][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.843289][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.843289][ T72] netlink_unicast+0x449/0x710 [ 7114.843289][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.843289][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.843289][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.843289][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.843289][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.843289][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.843289][ T72] [ 7114.844748][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7114.844748][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7114.844748][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7114.844748][ T72] ipv6_find_idev+0x102/0x170 [ 7114.844748][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.844748][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.844748][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.844748][ T72] netlink_unicast+0x449/0x710 [ 7114.844748][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.844748][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.844748][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.844748][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.844748][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.844748][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.844748][ T72] [ 7114.847043][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7114.847331][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7114.847331][ T72] dst_init+0x84/0x4a0 [ 7114.847331][ T72] dst_alloc+0x97/0x150 [ 7114.847331][ T72] ip6_dst_alloc+0x23/0x90 [ 7114.847331][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7114.847331][ T72] ip6_pol_route+0x56f/0x840 [ 7114.847331][ T72] fib6_rule_lookup+0x456/0x630 [ 7114.847331][ T72] ip6_route_input+0x59c/0xa50 [ 7114.847331][ T72] ipv6_rcv+0x397/0x810 [ 7114.847331][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7114.847331][ T72] process_backlog+0x101/0x620 [ 7114.847331][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7114.847331][ T72] net_rx_action+0x495/0xbe0 [ 7114.847331][ T72] __do_softirq+0x1b5/0x7f6 [ 7114.847331][ T72] [ 7114.848977][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7114.848977][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.848977][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.848977][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.848977][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7114.848977][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7114.848977][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7114.848977][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7114.848977][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7114.848977][ T72] addrconf_dad_begin+0x310/0x670 [ 7114.848977][ T72] addrconf_dad_work+0x10b/0xab0 [ 7114.848977][ T72] process_one_work+0x84d/0x18a0 [ 7114.848977][ T72] worker_thread+0x587/0xd30 [ 7114.848977][ T72] kthread+0x28a/0x350 [ 7114.848977][ T72] ret_from_fork+0x31/0x70 [ 7114.848977][ T72] ret_from_fork_asm+0x1a/0x30 [ 7114.848977][ T72] [ 7114.850920][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7114.850920][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.850920][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.850920][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.850920][ T72] ip6_route_add+0x1c/0x140 [ 7114.850920][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7114.850920][ T72] inet6_addr_add+0x4f8/0xa40 [ 7114.850920][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.850920][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.850920][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.850920][ T72] netlink_unicast+0x449/0x710 [ 7114.850920][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.850920][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.850920][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.850920][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.850920][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.850920][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.850920][ T72] [ 7114.852878][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7114.852878][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.852878][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.852878][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.852878][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7114.852878][ T72] ipv6_add_addr+0x411/0x2000 [ 7114.852878][ T72] inet6_addr_add+0x30e/0xa40 [ 7114.852878][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.852878][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.852878][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.852878][ T72] netlink_unicast+0x449/0x710 [ 7114.852878][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.852878][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.852878][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.852878][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.852878][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.852878][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.852878][ T72] [ 7114.854828][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7114.854828][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.854828][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.854828][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.854828][ T72] ip6_route_add+0x1c/0x140 [ 7114.854828][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7114.854828][ T72] addrconf_add_dev+0xe2/0x170 [ 7114.854828][ T72] inet6_addr_add+0x12f/0xa40 [ 7114.854828][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.854828][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.854828][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.854828][ T72] netlink_unicast+0x449/0x710 [ 7114.854828][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.854828][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.854828][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.854828][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.854828][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.854828][ T72] [ 7114.856802][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7114.856802][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7114.856802][ T72] ipv6_find_idev+0x102/0x170 [ 7114.856802][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.856802][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.856802][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.856802][ T72] netlink_unicast+0x449/0x710 [ 7114.856802][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.856802][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.856802][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.856802][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.856802][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.856802][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.856802][ T72] [ 7114.858303][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7114.858303][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7114.858303][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7114.858303][ T72] ipv6_find_idev+0x102/0x170 [ 7114.858303][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.858303][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.858303][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.858303][ T72] netlink_unicast+0x449/0x710 [ 7114.858303][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.858303][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.858303][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.858303][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.858303][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.858303][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.858303][ T72] [ 7114.860243][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7114.860505][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7114.860505][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7114.860505][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7114.860505][ T72] fib6_nh_init+0xa22/0x1580 [ 7114.860505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.860505][ T72] ip6_route_add+0x1c/0x140 [ 7114.860505][ T72] inet6_rtm_newroute+0x104/0x110 [ 7114.860505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.860505][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.860505][ T72] netlink_unicast+0x449/0x710 [ 7114.860505][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.860505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.860505][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.860505][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.860505][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.860505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.860505][ T72] [ 7114.862640][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7114.862640][ T72] dst_init+0x84/0x4a0 [ 7114.862640][ T72] dst_alloc+0x97/0x150 [ 7114.862640][ T72] ip6_dst_alloc+0x23/0x90 [ 7114.862640][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7114.862640][ T72] ip6_pol_route+0x56f/0x840 [ 7114.862640][ T72] fib6_rule_lookup+0x456/0x630 [ 7114.862640][ T72] ip6_route_input+0x59c/0xa50 [ 7114.862640][ T72] ipv6_rcv+0x397/0x810 [ 7114.862640][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7114.862640][ T72] process_backlog+0x101/0x620 [ 7114.862640][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7114.862640][ T72] net_rx_action+0x495/0xbe0 [ 7114.862640][ T72] __do_softirq+0x1b5/0x7f6 [ 7114.862640][ T72] [ 7114.864559][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7114.864559][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.864559][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.864559][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.864559][ T72] ip6_route_add+0x1c/0x140 [ 7114.864559][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7114.864559][ T72] inet6_addr_add+0x4f8/0xa40 [ 7114.864559][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.864559][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.864559][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.864559][ T72] netlink_unicast+0x449/0x710 [ 7114.864559][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.864559][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.864559][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.864559][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.864559][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.864559][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.864559][ T72] [ 7114.866757][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7114.866757][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.866757][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.866757][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.866757][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7114.866757][ T72] ipv6_add_addr+0x411/0x2000 [ 7114.866757][ T72] inet6_addr_add+0x30e/0xa40 [ 7114.866757][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.866757][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.866757][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.866757][ T72] netlink_unicast+0x449/0x710 [ 7114.866757][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.866757][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.866757][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.866757][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.866757][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.866757][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.866757][ T72] [ 7114.868981][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7114.868981][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.868981][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.868981][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.868981][ T72] ip6_route_add+0x1c/0x140 [ 7114.868981][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7114.868981][ T72] addrconf_add_dev+0xe2/0x170 [ 7114.868981][ T72] inet6_addr_add+0x12f/0xa40 [ 7114.868981][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.868981][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.868981][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.868981][ T72] netlink_unicast+0x449/0x710 [ 7114.868981][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.868981][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.868981][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.868981][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.868981][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.868981][ T72] [ 7114.871235][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7114.871235][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7114.871235][ T72] ipv6_find_idev+0x102/0x170 [ 7114.871235][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.871235][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.871235][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.871235][ T72] netlink_unicast+0x449/0x710 [ 7114.871235][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.871235][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.871235][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.871235][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.871235][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.871235][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.871235][ T72] [ 7114.872982][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7114.872982][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7114.872982][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7114.872982][ T72] ipv6_find_idev+0x102/0x170 [ 7114.872982][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.872982][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.872982][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.872982][ T72] netlink_unicast+0x449/0x710 [ 7114.872982][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.872982][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.872982][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.872982][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.872982][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.872982][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.872982][ T72] [ 7114.874907][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7114.875181][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7114.875181][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.875181][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.875181][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.875181][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7114.875181][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7114.875181][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7114.875181][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7114.875181][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7114.875181][ T72] addrconf_dad_begin+0x310/0x670 [ 7114.875181][ T72] addrconf_dad_work+0x10b/0xab0 [ 7114.875181][ T72] process_one_work+0x84d/0x18a0 [ 7114.875181][ T72] worker_thread+0x587/0xd30 [ 7114.875181][ T72] kthread+0x28a/0x350 [ 7114.875181][ T72] ret_from_fork+0x31/0x70 [ 7114.875181][ T72] ret_from_fork_asm+0x1a/0x30 [ 7114.875181][ T72] [ 7114.877341][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7114.877341][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.877341][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.877341][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.877341][ T72] ip6_route_add+0x1c/0x140 [ 7114.877341][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7114.877341][ T72] inet6_addr_add+0x4f8/0xa40 [ 7114.877341][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.877341][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.877341][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.877341][ T72] netlink_unicast+0x449/0x710 [ 7114.877341][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.877341][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.877341][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.877341][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.877341][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.877341][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.877341][ T72] [ 7114.879605][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7114.879605][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.879605][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.879605][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.879605][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7114.879605][ T72] ipv6_add_addr+0x411/0x2000 [ 7114.879605][ T72] inet6_addr_add+0x30e/0xa40 [ 7114.879605][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.879605][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.879605][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.879605][ T72] netlink_unicast+0x449/0x710 [ 7114.879605][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.879605][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.879605][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.879605][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.879605][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.879605][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.879605][ T72] [ 7114.881928][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7114.881928][ T72] netdev_get_by_index+0x5e/0x80 [ 7114.881928][ T72] fib6_nh_init+0x3d8/0x1580 [ 7114.881928][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7114.881928][ T72] ip6_route_add+0x1c/0x140 [ 7114.881928][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7114.881928][ T72] addrconf_add_dev+0xe2/0x170 [ 7114.881928][ T72] inet6_addr_add+0x12f/0xa40 [ 7114.881928][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7114.881928][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.881928][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.881928][ T72] netlink_unicast+0x449/0x710 [ 7114.881928][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.881928][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.881928][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.881928][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.881928][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.881928][ T72] [ 7114.884091][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7114.884091][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7114.884091][ T72] ipv6_find_idev+0x102/0x170 [ 7114.884091][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.884091][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.884091][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.884091][ T72] netlink_unicast+0x449/0x710 [ 7114.884091][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.884091][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.884091][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.884091][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.884091][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.884091][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.884091][ T72] [ 7114.885825][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7114.885825][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7114.885825][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7114.885825][ T72] ipv6_find_idev+0x102/0x170 [ 7114.885825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7114.885825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7114.885825][ T72] netlink_rcv_skb+0x130/0x360 [ 7114.885825][ T72] netlink_unicast+0x449/0x710 [ 7114.885825][ T72] netlink_sendmsg+0x723/0xbe0 [ 7114.885825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7114.885825][ T72] ___sys_sendmsg+0xee/0x170 [ 7114.885825][ T72] __sys_sendmsg+0xcd/0x170 [ 7114.885825][ T72] do_syscall_64+0xc6/0x1e0 [ 7114.885825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7114.885825][ T72] [ 7125.032984][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7125.033970][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7125.033970][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7125.033970][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7125.033970][ T72] fib6_nh_init+0xa22/0x1580 [ 7125.033970][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.033970][ T72] ip6_route_add+0x1c/0x140 [ 7125.033970][ T72] inet6_rtm_newroute+0x104/0x110 [ 7125.033970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.033970][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.033970][ T72] netlink_unicast+0x449/0x710 [ 7125.033970][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.033970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.033970][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.033970][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.033970][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.033970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.033970][ T72] [ 7125.035866][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7125.035866][ T72] dst_init+0x84/0x4a0 [ 7125.035866][ T72] dst_alloc+0x97/0x150 [ 7125.035866][ T72] ip6_dst_alloc+0x23/0x90 [ 7125.035866][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7125.035866][ T72] ip6_pol_route+0x56f/0x840 [ 7125.035866][ T72] fib6_rule_lookup+0x456/0x630 [ 7125.035866][ T72] ip6_route_input+0x59c/0xa50 [ 7125.035866][ T72] ipv6_rcv+0x397/0x810 [ 7125.035866][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7125.035866][ T72] process_backlog+0x101/0x620 [ 7125.035866][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7125.035866][ T72] net_rx_action+0x495/0xbe0 [ 7125.035866][ T72] __do_softirq+0x1b5/0x7f6 [ 7125.035866][ T72] [ 7125.037431][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7125.037431][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.037431][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.037431][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.037431][ T72] ip6_route_add+0x1c/0x140 [ 7125.037431][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7125.037431][ T72] inet6_addr_add+0x4f8/0xa40 [ 7125.037431][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.037431][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.037431][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.037431][ T72] netlink_unicast+0x449/0x710 [ 7125.037431][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.037431][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.037431][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.037431][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.037431][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.037431][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.037431][ T72] [ 7125.039297][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7125.039297][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.039297][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.039297][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.039297][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7125.039297][ T72] ipv6_add_addr+0x411/0x2000 [ 7125.039297][ T72] inet6_addr_add+0x30e/0xa40 [ 7125.039297][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.039297][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.039297][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.039297][ T72] netlink_unicast+0x449/0x710 [ 7125.039297][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.039297][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.039297][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.039297][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.039297][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.039297][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.039297][ T72] [ 7125.041237][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7125.041237][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.041237][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.041237][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.041237][ T72] ip6_route_add+0x1c/0x140 [ 7125.041237][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7125.041237][ T72] addrconf_add_dev+0xe2/0x170 [ 7125.041237][ T72] inet6_addr_add+0x12f/0xa40 [ 7125.041237][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.041237][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.041237][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.041237][ T72] netlink_unicast+0x449/0x710 [ 7125.041237][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.041237][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.041237][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.041237][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.041237][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.041237][ T72] [ 7125.043186][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7125.043186][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7125.043186][ T72] ipv6_find_idev+0x102/0x170 [ 7125.043186][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7125.043186][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.043186][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.043186][ T72] netlink_unicast+0x449/0x710 [ 7125.043186][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.043186][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.043186][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.043186][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.043186][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.043186][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.043186][ T72] [ 7125.044755][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7125.044755][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7125.044755][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7125.044755][ T72] ipv6_find_idev+0x102/0x170 [ 7125.044755][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7125.044755][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.044755][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.044755][ T72] netlink_unicast+0x449/0x710 [ 7125.044755][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.044755][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.044755][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.044755][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.044755][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.044755][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.044755][ T72] [ 7125.046461][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7125.046735][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7125.046735][ T72] dst_init+0x84/0x4a0 [ 7125.046735][ T72] dst_alloc+0x97/0x150 [ 7125.046735][ T72] ip6_dst_alloc+0x23/0x90 [ 7125.046735][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7125.046735][ T72] ip6_pol_route+0x56f/0x840 [ 7125.046735][ T72] fib6_rule_lookup+0x456/0x630 [ 7125.046735][ T72] ip6_route_input+0x59c/0xa50 [ 7125.046735][ T72] ipv6_rcv+0x397/0x810 [ 7125.046735][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7125.046735][ T72] process_backlog+0x101/0x620 [ 7125.046735][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7125.046735][ T72] net_rx_action+0x495/0xbe0 [ 7125.046735][ T72] __do_softirq+0x1b5/0x7f6 [ 7125.046735][ T72] [ 7125.048344][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7125.048344][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.048344][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.048344][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.048344][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7125.048344][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7125.048344][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7125.048344][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7125.048344][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7125.048344][ T72] addrconf_dad_begin+0x310/0x670 [ 7125.048344][ T72] addrconf_dad_work+0x10b/0xab0 [ 7125.048344][ T72] process_one_work+0x84d/0x18a0 [ 7125.048344][ T72] worker_thread+0x587/0xd30 [ 7125.048344][ T72] kthread+0x28a/0x350 [ 7125.048344][ T72] ret_from_fork+0x31/0x70 [ 7125.048344][ T72] ret_from_fork_asm+0x1a/0x30 [ 7125.048344][ T72] [ 7125.050222][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7125.050222][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.050222][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.050222][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.050222][ T72] ip6_route_add+0x1c/0x140 [ 7125.050222][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7125.050222][ T72] inet6_addr_add+0x4f8/0xa40 [ 7125.050222][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.050222][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.050222][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.050222][ T72] netlink_unicast+0x449/0x710 [ 7125.050222][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.050222][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.050222][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.050222][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.050222][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.050222][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.050222][ T72] [ 7125.052193][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7125.052193][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.052193][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.052193][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.052193][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7125.052193][ T72] ipv6_add_addr+0x411/0x2000 [ 7125.052193][ T72] inet6_addr_add+0x30e/0xa40 [ 7125.052193][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.052193][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.052193][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.052193][ T72] netlink_unicast+0x449/0x710 [ 7125.052193][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.052193][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.052193][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.052193][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.052193][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.052193][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.052193][ T72] [ 7125.054053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7125.054053][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.054053][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.054053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.054053][ T72] ip6_route_add+0x1c/0x140 [ 7125.054053][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7125.054053][ T72] addrconf_add_dev+0xe2/0x170 [ 7125.054053][ T72] inet6_addr_add+0x12f/0xa40 [ 7125.054053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.054053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.054053][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.054053][ T72] netlink_unicast+0x449/0x710 [ 7125.054053][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.054053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.054053][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.054053][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.054053][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.054053][ T72] [ 7125.056048][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7125.056048][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7125.056048][ T72] ipv6_find_idev+0x102/0x170 [ 7125.056048][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7125.056048][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.056048][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.056048][ T72] netlink_unicast+0x449/0x710 [ 7125.056048][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.056048][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.056048][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.056048][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.056048][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.056048][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.056048][ T72] [ 7125.057517][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7125.057517][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7125.057517][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7125.057517][ T72] ipv6_find_idev+0x102/0x170 [ 7125.057517][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7125.057517][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.057517][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.057517][ T72] netlink_unicast+0x449/0x710 [ 7125.057517][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.057517][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.057517][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.057517][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.057517][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.057517][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.057517][ T72] [ 7125.059231][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7125.059505][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7125.059505][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7125.059505][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7125.059505][ T72] fib6_nh_init+0xa22/0x1580 [ 7125.059505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.059505][ T72] ip6_route_add+0x1c/0x140 [ 7125.059505][ T72] inet6_rtm_newroute+0x104/0x110 [ 7125.059505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.059505][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.059505][ T72] netlink_unicast+0x449/0x710 [ 7125.059505][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.059505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.059505][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.059505][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.059505][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.059505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.059505][ T72] [ 7125.061589][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7125.061589][ T72] dst_init+0x84/0x4a0 [ 7125.061589][ T72] dst_alloc+0x97/0x150 [ 7125.061589][ T72] ip6_dst_alloc+0x23/0x90 [ 7125.061589][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7125.061589][ T72] ip6_pol_route+0x56f/0x840 [ 7125.061589][ T72] fib6_rule_lookup+0x456/0x630 [ 7125.061589][ T72] ip6_route_input+0x59c/0xa50 [ 7125.061589][ T72] ipv6_rcv+0x397/0x810 [ 7125.061589][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7125.061589][ T72] process_backlog+0x101/0x620 [ 7125.061589][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7125.061589][ T72] net_rx_action+0x495/0xbe0 [ 7125.061589][ T72] __do_softirq+0x1b5/0x7f6 [ 7125.061589][ T72] [ 7125.063491][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7125.063491][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.063491][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.063491][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.063491][ T72] ip6_route_add+0x1c/0x140 [ 7125.063491][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7125.063491][ T72] inet6_addr_add+0x4f8/0xa40 [ 7125.063491][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.063491][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.063491][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.063491][ T72] netlink_unicast+0x449/0x710 [ 7125.063491][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.063491][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.063491][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.063491][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.063491][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.063491][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.063491][ T72] [ 7125.065692][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7125.065692][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.065692][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.065692][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.065692][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7125.065692][ T72] ipv6_add_addr+0x411/0x2000 [ 7125.065692][ T72] inet6_addr_add+0x30e/0xa40 [ 7125.065692][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.065692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.065692][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.065692][ T72] netlink_unicast+0x449/0x710 [ 7125.065692][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.065692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.065692][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.065692][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.065692][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.065692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.065692][ T72] [ 7125.067929][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7125.067929][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.067929][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.067929][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.067929][ T72] ip6_route_add+0x1c/0x140 [ 7125.067929][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7125.067929][ T72] addrconf_add_dev+0xe2/0x170 [ 7125.067929][ T72] inet6_addr_add+0x12f/0xa40 [ 7125.067929][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.067929][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.067929][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.067929][ T72] netlink_unicast+0x449/0x710 [ 7125.067929][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.067929][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.067929][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.067929][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.067929][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.067929][ T72] [ 7125.070149][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7125.070149][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7125.070149][ T72] ipv6_find_idev+0x102/0x170 [ 7125.070149][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7125.070149][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.070149][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.070149][ T72] netlink_unicast+0x449/0x710 [ 7125.070149][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.070149][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.070149][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.070149][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.070149][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.070149][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.070149][ T72] [ 7125.071827][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7125.071827][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7125.071827][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7125.071827][ T72] ipv6_find_idev+0x102/0x170 [ 7125.071827][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7125.071827][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.071827][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.071827][ T72] netlink_unicast+0x449/0x710 [ 7125.071827][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.071827][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.071827][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.071827][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.071827][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.071827][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.071827][ T72] [ 7125.073725][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7125.074015][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7125.074015][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.074015][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.074015][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.074015][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7125.074015][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7125.074015][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7125.074015][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7125.074015][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7125.074015][ T72] addrconf_dad_begin+0x310/0x670 [ 7125.074015][ T72] addrconf_dad_work+0x10b/0xab0 [ 7125.074015][ T72] process_one_work+0x84d/0x18a0 [ 7125.074015][ T72] worker_thread+0x587/0xd30 [ 7125.074015][ T72] kthread+0x28a/0x350 [ 7125.074015][ T72] ret_from_fork+0x31/0x70 [ 7125.074015][ T72] ret_from_fork_asm+0x1a/0x30 [ 7125.074015][ T72] [ 7125.076168][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7125.076168][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.076168][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.076168][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.076168][ T72] ip6_route_add+0x1c/0x140 [ 7125.076168][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7125.076168][ T72] inet6_addr_add+0x4f8/0xa40 [ 7125.076168][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.076168][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.076168][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.076168][ T72] netlink_unicast+0x449/0x710 [ 7125.076168][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.076168][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.076168][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.076168][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.076168][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.076168][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.076168][ T72] [ 7125.078357][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7125.078357][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.078357][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.078357][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.078357][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7125.078357][ T72] ipv6_add_addr+0x411/0x2000 [ 7125.078357][ T72] inet6_addr_add+0x30e/0xa40 [ 7125.078357][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.078357][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.078357][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.078357][ T72] netlink_unicast+0x449/0x710 [ 7125.078357][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.078357][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.078357][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.078357][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.078357][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.078357][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.078357][ T72] [ 7125.080602][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7125.080602][ T72] netdev_get_by_index+0x5e/0x80 [ 7125.080602][ T72] fib6_nh_init+0x3d8/0x1580 [ 7125.080602][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7125.080602][ T72] ip6_route_add+0x1c/0x140 [ 7125.080602][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7125.080602][ T72] addrconf_add_dev+0xe2/0x170 [ 7125.080602][ T72] inet6_addr_add+0x12f/0xa40 [ 7125.080602][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7125.080602][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.080602][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.080602][ T72] netlink_unicast+0x449/0x710 [ 7125.080602][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.080602][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.080602][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.080602][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.080602][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.080602][ T72] [ 7125.082696][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7125.082696][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7125.082696][ T72] ipv6_find_idev+0x102/0x170 [ 7125.082696][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7125.082696][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.082696][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.082696][ T72] netlink_unicast+0x449/0x710 [ 7125.082696][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.082696][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.082696][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.082696][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.082696][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.082696][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.082696][ T72] [ 7125.084379][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7125.084379][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7125.084379][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7125.084379][ T72] ipv6_find_idev+0x102/0x170 [ 7125.084379][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7125.084379][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7125.084379][ T72] netlink_rcv_skb+0x130/0x360 [ 7125.084379][ T72] netlink_unicast+0x449/0x710 [ 7125.084379][ T72] netlink_sendmsg+0x723/0xbe0 [ 7125.084379][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7125.084379][ T72] ___sys_sendmsg+0xee/0x170 [ 7125.084379][ T72] __sys_sendmsg+0xcd/0x170 [ 7125.084379][ T72] do_syscall_64+0xc6/0x1e0 [ 7125.084379][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7125.084379][ T72] [ 7135.312996][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7135.313792][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7135.313792][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7135.313792][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7135.313792][ T72] fib6_nh_init+0xa22/0x1580 [ 7135.313792][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.313792][ T72] ip6_route_add+0x1c/0x140 [ 7135.313792][ T72] inet6_rtm_newroute+0x104/0x110 [ 7135.313792][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.313792][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.313792][ T72] netlink_unicast+0x449/0x710 [ 7135.313792][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.313792][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.313792][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.313792][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.313792][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.313792][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.313792][ T72] [ 7135.315752][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7135.315752][ T72] dst_init+0x84/0x4a0 [ 7135.315752][ T72] dst_alloc+0x97/0x150 [ 7135.315752][ T72] ip6_dst_alloc+0x23/0x90 [ 7135.315752][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7135.315752][ T72] ip6_pol_route+0x56f/0x840 [ 7135.315752][ T72] fib6_rule_lookup+0x456/0x630 [ 7135.315752][ T72] ip6_route_input+0x59c/0xa50 [ 7135.315752][ T72] ipv6_rcv+0x397/0x810 [ 7135.315752][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7135.315752][ T72] process_backlog+0x101/0x620 [ 7135.315752][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7135.315752][ T72] net_rx_action+0x495/0xbe0 [ 7135.315752][ T72] __do_softirq+0x1b5/0x7f6 [ 7135.315752][ T72] [ 7135.317376][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7135.317376][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.317376][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.317376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.317376][ T72] ip6_route_add+0x1c/0x140 [ 7135.317376][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7135.317376][ T72] inet6_addr_add+0x4f8/0xa40 [ 7135.317376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.317376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.317376][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.317376][ T72] netlink_unicast+0x449/0x710 [ 7135.317376][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.317376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.317376][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.317376][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.317376][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.317376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.317376][ T72] [ 7135.319291][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7135.319291][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.319291][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.319291][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.319291][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7135.319291][ T72] ipv6_add_addr+0x411/0x2000 [ 7135.319291][ T72] inet6_addr_add+0x30e/0xa40 [ 7135.319291][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.319291][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.319291][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.319291][ T72] netlink_unicast+0x449/0x710 [ 7135.319291][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.319291][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.319291][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.319291][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.319291][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.319291][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.319291][ T72] [ 7135.321285][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7135.321285][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.321285][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.321285][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.321285][ T72] ip6_route_add+0x1c/0x140 [ 7135.321285][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7135.321285][ T72] addrconf_add_dev+0xe2/0x170 [ 7135.321285][ T72] inet6_addr_add+0x12f/0xa40 [ 7135.321285][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.321285][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.321285][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.321285][ T72] netlink_unicast+0x449/0x710 [ 7135.321285][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.321285][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.321285][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.321285][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.321285][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.321285][ T72] [ 7135.323127][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7135.323127][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7135.323127][ T72] ipv6_find_idev+0x102/0x170 [ 7135.323127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7135.323127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.323127][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.323127][ T72] netlink_unicast+0x449/0x710 [ 7135.323127][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.323127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.323127][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.323127][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.323127][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.323127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.323127][ T72] [ 7135.324564][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7135.324564][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7135.324564][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7135.324564][ T72] ipv6_find_idev+0x102/0x170 [ 7135.324564][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7135.324564][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.324564][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.324564][ T72] netlink_unicast+0x449/0x710 [ 7135.324564][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.324564][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.324564][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.324564][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.324564][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.324564][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.324564][ T72] [ 7135.326226][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7135.326521][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7135.326521][ T72] dst_init+0x84/0x4a0 [ 7135.326521][ T72] dst_alloc+0x97/0x150 [ 7135.326521][ T72] ip6_dst_alloc+0x23/0x90 [ 7135.326521][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7135.326521][ T72] ip6_pol_route+0x56f/0x840 [ 7135.326521][ T72] fib6_rule_lookup+0x456/0x630 [ 7135.326521][ T72] ip6_route_input+0x59c/0xa50 [ 7135.326521][ T72] ipv6_rcv+0x397/0x810 [ 7135.326521][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7135.326521][ T72] process_backlog+0x101/0x620 [ 7135.326521][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7135.326521][ T72] net_rx_action+0x495/0xbe0 [ 7135.326521][ T72] __do_softirq+0x1b5/0x7f6 [ 7135.326521][ T72] [ 7135.328151][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7135.328151][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.328151][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.328151][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.328151][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7135.328151][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7135.328151][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7135.328151][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7135.328151][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7135.328151][ T72] addrconf_dad_begin+0x310/0x670 [ 7135.328151][ T72] addrconf_dad_work+0x10b/0xab0 [ 7135.328151][ T72] process_one_work+0x84d/0x18a0 [ 7135.328151][ T72] worker_thread+0x587/0xd30 [ 7135.328151][ T72] kthread+0x28a/0x350 [ 7135.328151][ T72] ret_from_fork+0x31/0x70 [ 7135.328151][ T72] ret_from_fork_asm+0x1a/0x30 [ 7135.328151][ T72] [ 7135.330053][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7135.330053][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.330053][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.330053][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.330053][ T72] ip6_route_add+0x1c/0x140 [ 7135.330053][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7135.330053][ T72] inet6_addr_add+0x4f8/0xa40 [ 7135.330053][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.330053][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.330053][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.330053][ T72] netlink_unicast+0x449/0x710 [ 7135.330053][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.330053][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.330053][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.330053][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.330053][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.330053][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.330053][ T72] [ 7135.331927][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7135.331927][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.331927][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.331927][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.331927][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7135.331927][ T72] ipv6_add_addr+0x411/0x2000 [ 7135.331927][ T72] inet6_addr_add+0x30e/0xa40 [ 7135.331927][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.331927][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.331927][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.331927][ T72] netlink_unicast+0x449/0x710 [ 7135.331927][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.331927][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.331927][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.331927][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.331927][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.331927][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.331927][ T72] [ 7135.333791][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7135.333791][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.333791][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.333791][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.333791][ T72] ip6_route_add+0x1c/0x140 [ 7135.333791][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7135.333791][ T72] addrconf_add_dev+0xe2/0x170 [ 7135.333791][ T72] inet6_addr_add+0x12f/0xa40 [ 7135.333791][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.333791][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.333791][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.333791][ T72] netlink_unicast+0x449/0x710 [ 7135.333791][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.333791][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.333791][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.333791][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.333791][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.333791][ T72] [ 7135.335763][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7135.335763][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7135.335763][ T72] ipv6_find_idev+0x102/0x170 [ 7135.335763][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7135.335763][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.335763][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.335763][ T72] netlink_unicast+0x449/0x710 [ 7135.335763][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.335763][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.335763][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.335763][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.335763][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.335763][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.335763][ T72] [ 7135.337274][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7135.337274][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7135.337274][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7135.337274][ T72] ipv6_find_idev+0x102/0x170 [ 7135.337274][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7135.337274][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.337274][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.337274][ T72] netlink_unicast+0x449/0x710 [ 7135.337274][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.337274][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.337274][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.337274][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.337274][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.337274][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.337274][ T72] [ 7135.339019][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7135.339282][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7135.339282][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7135.339282][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7135.339282][ T72] fib6_nh_init+0xa22/0x1580 [ 7135.339282][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.339282][ T72] ip6_route_add+0x1c/0x140 [ 7135.339282][ T72] inet6_rtm_newroute+0x104/0x110 [ 7135.339282][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.339282][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.339282][ T72] netlink_unicast+0x449/0x710 [ 7135.339282][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.339282][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.339282][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.339282][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.339282][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.339282][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.339282][ T72] [ 7135.341387][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7135.341387][ T72] dst_init+0x84/0x4a0 [ 7135.341387][ T72] dst_alloc+0x97/0x150 [ 7135.341387][ T72] ip6_dst_alloc+0x23/0x90 [ 7135.341387][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7135.341387][ T72] ip6_pol_route+0x56f/0x840 [ 7135.341387][ T72] fib6_rule_lookup+0x456/0x630 [ 7135.341387][ T72] ip6_route_input+0x59c/0xa50 [ 7135.341387][ T72] ipv6_rcv+0x397/0x810 [ 7135.341387][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7135.341387][ T72] process_backlog+0x101/0x620 [ 7135.341387][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7135.341387][ T72] net_rx_action+0x495/0xbe0 [ 7135.341387][ T72] __do_softirq+0x1b5/0x7f6 [ 7135.341387][ T72] [ 7135.343234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7135.343234][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.343234][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.343234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.343234][ T72] ip6_route_add+0x1c/0x140 [ 7135.343234][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7135.343234][ T72] inet6_addr_add+0x4f8/0xa40 [ 7135.343234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.343234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.343234][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.343234][ T72] netlink_unicast+0x449/0x710 [ 7135.343234][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.343234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.343234][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.343234][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.343234][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.343234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.343234][ T72] [ 7135.345470][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7135.345470][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.345470][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.345470][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.345470][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7135.345470][ T72] ipv6_add_addr+0x411/0x2000 [ 7135.345470][ T72] inet6_addr_add+0x30e/0xa40 [ 7135.345470][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.345470][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.345470][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.345470][ T72] netlink_unicast+0x449/0x710 [ 7135.345470][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.345470][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.345470][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.345470][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.345470][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.345470][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.345470][ T72] [ 7135.347703][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7135.347703][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.347703][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.347703][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.347703][ T72] ip6_route_add+0x1c/0x140 [ 7135.347703][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7135.347703][ T72] addrconf_add_dev+0xe2/0x170 [ 7135.347703][ T72] inet6_addr_add+0x12f/0xa40 [ 7135.347703][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.347703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.347703][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.347703][ T72] netlink_unicast+0x449/0x710 [ 7135.347703][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.347703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.347703][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.347703][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.347703][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.347703][ T72] [ 7135.349995][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7135.349995][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7135.349995][ T72] ipv6_find_idev+0x102/0x170 [ 7135.349995][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7135.349995][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.349995][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.349995][ T72] netlink_unicast+0x449/0x710 [ 7135.349995][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.349995][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.349995][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.349995][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.349995][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.349995][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.349995][ T72] [ 7135.351718][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7135.351718][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7135.351718][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7135.351718][ T72] ipv6_find_idev+0x102/0x170 [ 7135.351718][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7135.351718][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.351718][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.351718][ T72] netlink_unicast+0x449/0x710 [ 7135.351718][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.351718][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.351718][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.351718][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.351718][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.351718][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.351718][ T72] [ 7135.353589][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7135.354367][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7135.354367][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.354367][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.354367][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.354367][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7135.354367][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7135.354367][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7135.354367][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7135.354367][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7135.354367][ T72] addrconf_dad_begin+0x310/0x670 [ 7135.354367][ T72] addrconf_dad_work+0x10b/0xab0 [ 7135.354367][ T72] process_one_work+0x84d/0x18a0 [ 7135.354367][ T72] worker_thread+0x587/0xd30 [ 7135.354367][ T72] kthread+0x28a/0x350 [ 7135.354367][ T72] ret_from_fork+0x31/0x70 [ 7135.354367][ T72] ret_from_fork_asm+0x1a/0x30 [ 7135.354367][ T72] [ 7135.356240][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7135.356240][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.356240][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.356240][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.356240][ T72] ip6_route_add+0x1c/0x140 [ 7135.356240][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7135.356240][ T72] inet6_addr_add+0x4f8/0xa40 [ 7135.356240][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.356240][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.356240][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.356240][ T72] netlink_unicast+0x449/0x710 [ 7135.356240][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.356240][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.356240][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.356240][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.356240][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.356240][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.356240][ T72] [ 7135.358251][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7135.358251][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.358251][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.358251][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.358251][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7135.358251][ T72] ipv6_add_addr+0x411/0x2000 [ 7135.358251][ T72] inet6_addr_add+0x30e/0xa40 [ 7135.358251][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.358251][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.358251][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.358251][ T72] netlink_unicast+0x449/0x710 [ 7135.358251][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.358251][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.358251][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.358251][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.358251][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.358251][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.358251][ T72] [ 7135.360499][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7135.360499][ T72] netdev_get_by_index+0x5e/0x80 [ 7135.360499][ T72] fib6_nh_init+0x3d8/0x1580 [ 7135.360499][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7135.360499][ T72] ip6_route_add+0x1c/0x140 [ 7135.360499][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7135.360499][ T72] addrconf_add_dev+0xe2/0x170 [ 7135.360499][ T72] inet6_addr_add+0x12f/0xa40 [ 7135.360499][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7135.360499][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.360499][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.360499][ T72] netlink_unicast+0x449/0x710 [ 7135.360499][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.360499][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.360499][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.360499][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.360499][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.360499][ T72] [ 7135.362743][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7135.362743][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7135.362743][ T72] ipv6_find_idev+0x102/0x170 [ 7135.362743][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7135.362743][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.362743][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.362743][ T72] netlink_unicast+0x449/0x710 [ 7135.362743][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.362743][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.362743][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.362743][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.362743][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.362743][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.362743][ T72] [ 7135.364484][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7135.364484][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7135.364484][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7135.364484][ T72] ipv6_find_idev+0x102/0x170 [ 7135.364484][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7135.364484][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7135.364484][ T72] netlink_rcv_skb+0x130/0x360 [ 7135.364484][ T72] netlink_unicast+0x449/0x710 [ 7135.364484][ T72] netlink_sendmsg+0x723/0xbe0 [ 7135.364484][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7135.364484][ T72] ___sys_sendmsg+0xee/0x170 [ 7135.364484][ T72] __sys_sendmsg+0xcd/0x170 [ 7135.364484][ T72] do_syscall_64+0xc6/0x1e0 [ 7135.364484][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7135.364484][ T72] [ 7145.608976][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7145.609688][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7145.609688][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7145.609688][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7145.609688][ T72] fib6_nh_init+0xa22/0x1580 [ 7145.609688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.609688][ T72] ip6_route_add+0x1c/0x140 [ 7145.609688][ T72] inet6_rtm_newroute+0x104/0x110 [ 7145.609688][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.609688][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.609688][ T72] netlink_unicast+0x449/0x710 [ 7145.609688][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.609688][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.609688][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.609688][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.609688][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.609688][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.609688][ T72] [ 7145.611908][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7145.611908][ T72] dst_init+0x84/0x4a0 [ 7145.611908][ T72] dst_alloc+0x97/0x150 [ 7145.611908][ T72] ip6_dst_alloc+0x23/0x90 [ 7145.611908][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7145.611908][ T72] ip6_pol_route+0x56f/0x840 [ 7145.611908][ T72] fib6_rule_lookup+0x456/0x630 [ 7145.611908][ T72] ip6_route_input+0x59c/0xa50 [ 7145.611908][ T72] ipv6_rcv+0x397/0x810 [ 7145.611908][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7145.611908][ T72] process_backlog+0x101/0x620 [ 7145.611908][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7145.611908][ T72] net_rx_action+0x495/0xbe0 [ 7145.611908][ T72] __do_softirq+0x1b5/0x7f6 [ 7145.611908][ T72] [ 7145.613749][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7145.613749][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.613749][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.613749][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.613749][ T72] ip6_route_add+0x1c/0x140 [ 7145.613749][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7145.613749][ T72] inet6_addr_add+0x4f8/0xa40 [ 7145.613749][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.613749][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.613749][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.613749][ T72] netlink_unicast+0x449/0x710 [ 7145.613749][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.613749][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.613749][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.613749][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.613749][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.613749][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.613749][ T72] [ 7145.616122][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7145.616122][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.616122][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.616122][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.616122][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7145.616122][ T72] ipv6_add_addr+0x411/0x2000 [ 7145.616122][ T72] inet6_addr_add+0x30e/0xa40 [ 7145.616122][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.616122][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.616122][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.616122][ T72] netlink_unicast+0x449/0x710 [ 7145.616122][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.616122][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.616122][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.616122][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.616122][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.616122][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.616122][ T72] [ 7145.618458][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7145.618458][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.618458][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.618458][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.618458][ T72] ip6_route_add+0x1c/0x140 [ 7145.618458][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7145.618458][ T72] addrconf_add_dev+0xe2/0x170 [ 7145.618458][ T72] inet6_addr_add+0x12f/0xa40 [ 7145.618458][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.618458][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.618458][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.618458][ T72] netlink_unicast+0x449/0x710 [ 7145.618458][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.618458][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.618458][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.618458][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.618458][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.618458][ T72] [ 7145.620727][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7145.620727][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7145.620727][ T72] ipv6_find_idev+0x102/0x170 [ 7145.620727][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.620727][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.620727][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.620727][ T72] netlink_unicast+0x449/0x710 [ 7145.620727][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.620727][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.620727][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.620727][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.620727][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.620727][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.620727][ T72] [ 7145.622525][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7145.622525][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7145.622525][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7145.622525][ T72] ipv6_find_idev+0x102/0x170 [ 7145.622525][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.622525][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.622525][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.622525][ T72] netlink_unicast+0x449/0x710 [ 7145.622525][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.622525][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.622525][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.622525][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.622525][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.622525][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.622525][ T72] [ 7145.624561][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7145.624902][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7145.624902][ T72] dst_init+0x84/0x4a0 [ 7145.624902][ T72] dst_alloc+0x97/0x150 [ 7145.624902][ T72] ip6_dst_alloc+0x23/0x90 [ 7145.624902][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7145.624902][ T72] ip6_pol_route+0x56f/0x840 [ 7145.624902][ T72] fib6_rule_lookup+0x456/0x630 [ 7145.624902][ T72] ip6_route_input+0x59c/0xa50 [ 7145.624902][ T72] ipv6_rcv+0x397/0x810 [ 7145.624902][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7145.624902][ T72] process_backlog+0x101/0x620 [ 7145.624902][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7145.624902][ T72] net_rx_action+0x495/0xbe0 [ 7145.624902][ T72] __do_softirq+0x1b5/0x7f6 [ 7145.624902][ T72] [ 7145.626688][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7145.626688][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.626688][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.626688][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.626688][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7145.626688][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7145.626688][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7145.626688][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7145.626688][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7145.626688][ T72] addrconf_dad_begin+0x310/0x670 [ 7145.626688][ T72] addrconf_dad_work+0x10b/0xab0 [ 7145.626688][ T72] process_one_work+0x84d/0x18a0 [ 7145.626688][ T72] worker_thread+0x587/0xd30 [ 7145.626688][ T72] kthread+0x28a/0x350 [ 7145.626688][ T72] ret_from_fork+0x31/0x70 [ 7145.626688][ T72] ret_from_fork_asm+0x1a/0x30 [ 7145.626688][ T72] [ 7145.628669][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7145.628669][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.628669][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.628669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.628669][ T72] ip6_route_add+0x1c/0x140 [ 7145.628669][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7145.628669][ T72] inet6_addr_add+0x4f8/0xa40 [ 7145.628669][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.628669][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.628669][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.628669][ T72] netlink_unicast+0x449/0x710 [ 7145.628669][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.628669][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.628669][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.628669][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.628669][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.628669][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.628669][ T72] [ 7145.630659][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7145.630659][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.630659][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.630659][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.630659][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7145.630659][ T72] ipv6_add_addr+0x411/0x2000 [ 7145.630659][ T72] inet6_addr_add+0x30e/0xa40 [ 7145.630659][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.630659][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.630659][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.630659][ T72] netlink_unicast+0x449/0x710 [ 7145.630659][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.630659][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.630659][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.630659][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.630659][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.630659][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.630659][ T72] [ 7145.632658][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7145.632658][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.632658][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.632658][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.632658][ T72] ip6_route_add+0x1c/0x140 [ 7145.632658][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7145.632658][ T72] addrconf_add_dev+0xe2/0x170 [ 7145.632658][ T72] inet6_addr_add+0x12f/0xa40 [ 7145.632658][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.632658][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.632658][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.632658][ T72] netlink_unicast+0x449/0x710 [ 7145.632658][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.632658][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.632658][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.632658][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.632658][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.632658][ T72] [ 7145.634606][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7145.634606][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7145.634606][ T72] ipv6_find_idev+0x102/0x170 [ 7145.634606][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.634606][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.634606][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.634606][ T72] netlink_unicast+0x449/0x710 [ 7145.634606][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.634606][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.634606][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.634606][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.634606][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.634606][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.634606][ T72] [ 7145.636166][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7145.636166][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7145.636166][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7145.636166][ T72] ipv6_find_idev+0x102/0x170 [ 7145.636166][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.636166][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.636166][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.636166][ T72] netlink_unicast+0x449/0x710 [ 7145.636166][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.636166][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.636166][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.636166][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.636166][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.636166][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.636166][ T72] [ 7145.638025][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7145.638309][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7145.638309][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7145.638309][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7145.638309][ T72] fib6_nh_init+0xa22/0x1580 [ 7145.638309][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.638309][ T72] ip6_route_add+0x1c/0x140 [ 7145.638309][ T72] inet6_rtm_newroute+0x104/0x110 [ 7145.638309][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.638309][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.638309][ T72] netlink_unicast+0x449/0x710 [ 7145.638309][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.638309][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.638309][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.638309][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.638309][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.638309][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.638309][ T72] [ 7145.640480][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7145.640480][ T72] dst_init+0x84/0x4a0 [ 7145.640480][ T72] dst_alloc+0x97/0x150 [ 7145.640480][ T72] ip6_dst_alloc+0x23/0x90 [ 7145.640480][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7145.640480][ T72] ip6_pol_route+0x56f/0x840 [ 7145.640480][ T72] fib6_rule_lookup+0x456/0x630 [ 7145.640480][ T72] ip6_route_input+0x59c/0xa50 [ 7145.640480][ T72] ipv6_rcv+0x397/0x810 [ 7145.640480][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7145.640480][ T72] process_backlog+0x101/0x620 [ 7145.640480][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7145.640480][ T72] net_rx_action+0x495/0xbe0 [ 7145.640480][ T72] __do_softirq+0x1b5/0x7f6 [ 7145.640480][ T72] [ 7145.642371][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7145.642371][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.642371][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.642371][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.642371][ T72] ip6_route_add+0x1c/0x140 [ 7145.642371][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7145.642371][ T72] inet6_addr_add+0x4f8/0xa40 [ 7145.642371][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.642371][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.642371][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.642371][ T72] netlink_unicast+0x449/0x710 [ 7145.642371][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.642371][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.642371][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.642371][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.642371][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.642371][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.642371][ T72] [ 7145.644527][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7145.644527][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.644527][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.644527][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.644527][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7145.644527][ T72] ipv6_add_addr+0x411/0x2000 [ 7145.644527][ T72] inet6_addr_add+0x30e/0xa40 [ 7145.644527][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.644527][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.644527][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.644527][ T72] netlink_unicast+0x449/0x710 [ 7145.644527][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.644527][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.644527][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.644527][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.644527][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.644527][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.644527][ T72] [ 7145.646798][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7145.646798][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.646798][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.646798][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.646798][ T72] ip6_route_add+0x1c/0x140 [ 7145.646798][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7145.646798][ T72] addrconf_add_dev+0xe2/0x170 [ 7145.646798][ T72] inet6_addr_add+0x12f/0xa40 [ 7145.646798][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.646798][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.646798][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.646798][ T72] netlink_unicast+0x449/0x710 [ 7145.646798][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.646798][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.646798][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.646798][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.646798][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.646798][ T72] [ 7145.649049][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7145.649049][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7145.649049][ T72] ipv6_find_idev+0x102/0x170 [ 7145.649049][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.649049][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.649049][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.649049][ T72] netlink_unicast+0x449/0x710 [ 7145.649049][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.649049][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.649049][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.649049][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.649049][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.649049][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.649049][ T72] [ 7145.650756][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7145.650756][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7145.650756][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7145.650756][ T72] ipv6_find_idev+0x102/0x170 [ 7145.650756][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.650756][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.650756][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.650756][ T72] netlink_unicast+0x449/0x710 [ 7145.650756][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.650756][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.650756][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.650756][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.650756][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.650756][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.650756][ T72] [ 7145.652636][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7145.653415][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7145.653415][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.653415][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.653415][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.653415][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7145.653415][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7145.653415][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7145.653415][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7145.653415][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7145.653415][ T72] addrconf_dad_begin+0x310/0x670 [ 7145.653415][ T72] addrconf_dad_work+0x10b/0xab0 [ 7145.653415][ T72] process_one_work+0x84d/0x18a0 [ 7145.653415][ T72] worker_thread+0x587/0xd30 [ 7145.653415][ T72] kthread+0x28a/0x350 [ 7145.653415][ T72] ret_from_fork+0x31/0x70 [ 7145.653415][ T72] ret_from_fork_asm+0x1a/0x30 [ 7145.653415][ T72] [ 7145.655317][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7145.655317][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.655317][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.655317][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.655317][ T72] ip6_route_add+0x1c/0x140 [ 7145.655317][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7145.655317][ T72] inet6_addr_add+0x4f8/0xa40 [ 7145.655317][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.655317][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.655317][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.655317][ T72] netlink_unicast+0x449/0x710 [ 7145.655317][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.655317][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.655317][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.655317][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.655317][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.655317][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.655317][ T72] [ 7145.657368][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7145.657368][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.657368][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.657368][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.657368][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7145.657368][ T72] ipv6_add_addr+0x411/0x2000 [ 7145.657368][ T72] inet6_addr_add+0x30e/0xa40 [ 7145.657368][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.657368][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.657368][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.657368][ T72] netlink_unicast+0x449/0x710 [ 7145.657368][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.657368][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.657368][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.657368][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.657368][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.657368][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.657368][ T72] [ 7145.659620][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7145.659620][ T72] netdev_get_by_index+0x5e/0x80 [ 7145.659620][ T72] fib6_nh_init+0x3d8/0x1580 [ 7145.659620][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7145.659620][ T72] ip6_route_add+0x1c/0x140 [ 7145.659620][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7145.659620][ T72] addrconf_add_dev+0xe2/0x170 [ 7145.659620][ T72] inet6_addr_add+0x12f/0xa40 [ 7145.659620][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7145.659620][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.659620][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.659620][ T72] netlink_unicast+0x449/0x710 [ 7145.659620][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.659620][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.659620][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.659620][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.659620][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.659620][ T72] [ 7145.661836][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7145.661836][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7145.661836][ T72] ipv6_find_idev+0x102/0x170 [ 7145.661836][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.661836][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.661836][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.661836][ T72] netlink_unicast+0x449/0x710 [ 7145.661836][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.661836][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.661836][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.661836][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.661836][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.661836][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.661836][ T72] [ 7145.663565][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7145.663565][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7145.663565][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7145.663565][ T72] ipv6_find_idev+0x102/0x170 [ 7145.663565][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7145.663565][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7145.663565][ T72] netlink_rcv_skb+0x130/0x360 [ 7145.663565][ T72] netlink_unicast+0x449/0x710 [ 7145.663565][ T72] netlink_sendmsg+0x723/0xbe0 [ 7145.663565][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7145.663565][ T72] ___sys_sendmsg+0xee/0x170 [ 7145.663565][ T72] __sys_sendmsg+0xcd/0x170 [ 7145.663565][ T72] do_syscall_64+0xc6/0x1e0 [ 7145.663565][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7145.663565][ T72] [ 7155.752992][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7155.753958][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7155.753958][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7155.753958][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7155.753958][ T72] fib6_nh_init+0xa22/0x1580 [ 7155.753958][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.753958][ T72] ip6_route_add+0x1c/0x140 [ 7155.753958][ T72] inet6_rtm_newroute+0x104/0x110 [ 7155.753958][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.753958][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.753958][ T72] netlink_unicast+0x449/0x710 [ 7155.753958][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.753958][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.753958][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.753958][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.753958][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.753958][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.753958][ T72] [ 7155.755885][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7155.755885][ T72] dst_init+0x84/0x4a0 [ 7155.755885][ T72] dst_alloc+0x97/0x150 [ 7155.755885][ T72] ip6_dst_alloc+0x23/0x90 [ 7155.755885][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7155.755885][ T72] ip6_pol_route+0x56f/0x840 [ 7155.755885][ T72] fib6_rule_lookup+0x456/0x630 [ 7155.755885][ T72] ip6_route_input+0x59c/0xa50 [ 7155.755885][ T72] ipv6_rcv+0x397/0x810 [ 7155.755885][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7155.755885][ T72] process_backlog+0x101/0x620 [ 7155.755885][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7155.755885][ T72] net_rx_action+0x495/0xbe0 [ 7155.755885][ T72] __do_softirq+0x1b5/0x7f6 [ 7155.755885][ T72] [ 7155.757507][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7155.757507][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.757507][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.757507][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.757507][ T72] ip6_route_add+0x1c/0x140 [ 7155.757507][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7155.757507][ T72] inet6_addr_add+0x4f8/0xa40 [ 7155.757507][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.757507][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.757507][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.757507][ T72] netlink_unicast+0x449/0x710 [ 7155.757507][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.757507][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.757507][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.757507][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.757507][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.757507][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.757507][ T72] [ 7155.759512][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7155.759512][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.759512][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.759512][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.759512][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7155.759512][ T72] ipv6_add_addr+0x411/0x2000 [ 7155.759512][ T72] inet6_addr_add+0x30e/0xa40 [ 7155.759512][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.759512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.759512][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.759512][ T72] netlink_unicast+0x449/0x710 [ 7155.759512][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.759512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.759512][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.759512][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.759512][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.759512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.759512][ T72] [ 7155.761380][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7155.761380][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.761380][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.761380][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.761380][ T72] ip6_route_add+0x1c/0x140 [ 7155.761380][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7155.761380][ T72] addrconf_add_dev+0xe2/0x170 [ 7155.761380][ T72] inet6_addr_add+0x12f/0xa40 [ 7155.761380][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.761380][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.761380][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.761380][ T72] netlink_unicast+0x449/0x710 [ 7155.761380][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.761380][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.761380][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.761380][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.761380][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.761380][ T72] [ 7155.763685][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7155.763685][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7155.763685][ T72] ipv6_find_idev+0x102/0x170 [ 7155.763685][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.763685][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.763685][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.763685][ T72] netlink_unicast+0x449/0x710 [ 7155.763685][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.763685][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.763685][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.763685][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.763685][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.763685][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.763685][ T72] [ 7155.765504][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7155.765504][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7155.765504][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7155.765504][ T72] ipv6_find_idev+0x102/0x170 [ 7155.765504][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.765504][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.765504][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.765504][ T72] netlink_unicast+0x449/0x710 [ 7155.765504][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.765504][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.765504][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.765504][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.765504][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.765504][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.765504][ T72] [ 7155.767383][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7155.767669][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7155.767669][ T72] dst_init+0x84/0x4a0 [ 7155.767669][ T72] dst_alloc+0x97/0x150 [ 7155.767669][ T72] ip6_dst_alloc+0x23/0x90 [ 7155.767669][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7155.767669][ T72] ip6_pol_route+0x56f/0x840 [ 7155.767669][ T72] fib6_rule_lookup+0x456/0x630 [ 7155.767669][ T72] ip6_route_input+0x59c/0xa50 [ 7155.767669][ T72] ipv6_rcv+0x397/0x810 [ 7155.767669][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7155.767669][ T72] process_backlog+0x101/0x620 [ 7155.767669][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7155.767669][ T72] net_rx_action+0x495/0xbe0 [ 7155.767669][ T72] __do_softirq+0x1b5/0x7f6 [ 7155.767669][ T72] [ 7155.769266][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7155.769266][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.769266][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.769266][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.769266][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7155.769266][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7155.769266][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7155.769266][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7155.769266][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7155.769266][ T72] addrconf_dad_begin+0x310/0x670 [ 7155.769266][ T72] addrconf_dad_work+0x10b/0xab0 [ 7155.769266][ T72] process_one_work+0x84d/0x18a0 [ 7155.769266][ T72] worker_thread+0x587/0xd30 [ 7155.769266][ T72] kthread+0x28a/0x350 [ 7155.769266][ T72] ret_from_fork+0x31/0x70 [ 7155.769266][ T72] ret_from_fork_asm+0x1a/0x30 [ 7155.769266][ T72] [ 7155.771103][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7155.771103][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.771103][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.771103][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.771103][ T72] ip6_route_add+0x1c/0x140 [ 7155.771103][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7155.771103][ T72] inet6_addr_add+0x4f8/0xa40 [ 7155.771103][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.771103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.771103][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.771103][ T72] netlink_unicast+0x449/0x710 [ 7155.771103][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.771103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.771103][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.771103][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.771103][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.771103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.771103][ T72] [ 7155.773435][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7155.773435][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.773435][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.773435][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.773435][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7155.773435][ T72] ipv6_add_addr+0x411/0x2000 [ 7155.773435][ T72] inet6_addr_add+0x30e/0xa40 [ 7155.773435][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.773435][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.773435][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.773435][ T72] netlink_unicast+0x449/0x710 [ 7155.773435][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.773435][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.773435][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.773435][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.773435][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.773435][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.773435][ T72] [ 7155.775799][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7155.775799][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.775799][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.775799][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.775799][ T72] ip6_route_add+0x1c/0x140 [ 7155.775799][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7155.775799][ T72] addrconf_add_dev+0xe2/0x170 [ 7155.775799][ T72] inet6_addr_add+0x12f/0xa40 [ 7155.775799][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.775799][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.775799][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.775799][ T72] netlink_unicast+0x449/0x710 [ 7155.775799][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.775799][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.775799][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.775799][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.775799][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.775799][ T72] [ 7155.778204][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7155.778204][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7155.778204][ T72] ipv6_find_idev+0x102/0x170 [ 7155.778204][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.778204][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.778204][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.778204][ T72] netlink_unicast+0x449/0x710 [ 7155.778204][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.778204][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.778204][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.778204][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.778204][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.778204][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.778204][ T72] [ 7155.780026][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7155.780026][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7155.780026][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7155.780026][ T72] ipv6_find_idev+0x102/0x170 [ 7155.780026][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.780026][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.780026][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.780026][ T72] netlink_unicast+0x449/0x710 [ 7155.780026][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.780026][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.780026][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.780026][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.780026][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.780026][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.780026][ T72] [ 7155.782152][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7155.782473][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7155.782473][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7155.782473][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7155.782473][ T72] fib6_nh_init+0xa22/0x1580 [ 7155.782473][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.782473][ T72] ip6_route_add+0x1c/0x140 [ 7155.782473][ T72] inet6_rtm_newroute+0x104/0x110 [ 7155.782473][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.782473][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.782473][ T72] netlink_unicast+0x449/0x710 [ 7155.782473][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.782473][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.782473][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.782473][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.782473][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.782473][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.782473][ T72] [ 7155.784997][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7155.784997][ T72] dst_init+0x84/0x4a0 [ 7155.784997][ T72] dst_alloc+0x97/0x150 [ 7155.784997][ T72] ip6_dst_alloc+0x23/0x90 [ 7155.784997][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7155.784997][ T72] ip6_pol_route+0x56f/0x840 [ 7155.784997][ T72] fib6_rule_lookup+0x456/0x630 [ 7155.784997][ T72] ip6_route_input+0x59c/0xa50 [ 7155.784997][ T72] ipv6_rcv+0x397/0x810 [ 7155.784997][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7155.784997][ T72] process_backlog+0x101/0x620 [ 7155.784997][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7155.784997][ T72] net_rx_action+0x495/0xbe0 [ 7155.784997][ T72] __do_softirq+0x1b5/0x7f6 [ 7155.784997][ T72] [ 7155.787265][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7155.787265][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.787265][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.787265][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.787265][ T72] ip6_route_add+0x1c/0x140 [ 7155.787265][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7155.787265][ T72] inet6_addr_add+0x4f8/0xa40 [ 7155.787265][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.787265][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.787265][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.787265][ T72] netlink_unicast+0x449/0x710 [ 7155.787265][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.787265][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.787265][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.787265][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.787265][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.787265][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.787265][ T72] [ 7155.789895][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7155.789895][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.789895][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.789895][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.789895][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7155.789895][ T72] ipv6_add_addr+0x411/0x2000 [ 7155.789895][ T72] inet6_addr_add+0x30e/0xa40 [ 7155.789895][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.789895][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.789895][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.789895][ T72] netlink_unicast+0x449/0x710 [ 7155.789895][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.789895][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.789895][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.789895][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.789895][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.789895][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.789895][ T72] [ 7155.792521][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7155.792521][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.792521][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.792521][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.792521][ T72] ip6_route_add+0x1c/0x140 [ 7155.792521][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7155.792521][ T72] addrconf_add_dev+0xe2/0x170 [ 7155.792521][ T72] inet6_addr_add+0x12f/0xa40 [ 7155.792521][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.792521][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.792521][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.792521][ T72] netlink_unicast+0x449/0x710 [ 7155.792521][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.792521][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.792521][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.792521][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.792521][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.792521][ T72] [ 7155.795279][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7155.795279][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7155.795279][ T72] ipv6_find_idev+0x102/0x170 [ 7155.795279][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.795279][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.795279][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.795279][ T72] netlink_unicast+0x449/0x710 [ 7155.795279][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.795279][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.795279][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.795279][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.795279][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.795279][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.795279][ T72] [ 7155.797302][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7155.797302][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7155.797302][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7155.797302][ T72] ipv6_find_idev+0x102/0x170 [ 7155.797302][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.797302][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.797302][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.797302][ T72] netlink_unicast+0x449/0x710 [ 7155.797302][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.797302][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.797302][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.797302][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.797302][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.797302][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.797302][ T72] [ 7155.799486][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7155.799818][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7155.799818][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.799818][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.799818][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.799818][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7155.799818][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7155.799818][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7155.799818][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7155.799818][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7155.799818][ T72] addrconf_dad_begin+0x310/0x670 [ 7155.799818][ T72] addrconf_dad_work+0x10b/0xab0 [ 7155.799818][ T72] process_one_work+0x84d/0x18a0 [ 7155.799818][ T72] worker_thread+0x587/0xd30 [ 7155.799818][ T72] kthread+0x28a/0x350 [ 7155.799818][ T72] ret_from_fork+0x31/0x70 [ 7155.799818][ T72] ret_from_fork_asm+0x1a/0x30 [ 7155.799818][ T72] [ 7155.802272][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7155.802272][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.802272][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.802272][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.802272][ T72] ip6_route_add+0x1c/0x140 [ 7155.802272][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7155.802272][ T72] inet6_addr_add+0x4f8/0xa40 [ 7155.802272][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.802272][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.802272][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.802272][ T72] netlink_unicast+0x449/0x710 [ 7155.802272][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.802272][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.802272][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.802272][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.802272][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.802272][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.802272][ T72] [ 7155.804856][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7155.804856][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.804856][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.804856][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.804856][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7155.804856][ T72] ipv6_add_addr+0x411/0x2000 [ 7155.804856][ T72] inet6_addr_add+0x30e/0xa40 [ 7155.804856][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.804856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.804856][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.804856][ T72] netlink_unicast+0x449/0x710 [ 7155.804856][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.804856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.804856][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.804856][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.804856][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.804856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.804856][ T72] [ 7155.807558][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7155.807558][ T72] netdev_get_by_index+0x5e/0x80 [ 7155.807558][ T72] fib6_nh_init+0x3d8/0x1580 [ 7155.807558][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7155.807558][ T72] ip6_route_add+0x1c/0x140 [ 7155.807558][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7155.807558][ T72] addrconf_add_dev+0xe2/0x170 [ 7155.807558][ T72] inet6_addr_add+0x12f/0xa40 [ 7155.807558][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7155.807558][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.807558][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.807558][ T72] netlink_unicast+0x449/0x710 [ 7155.807558][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.807558][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.807558][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.807558][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.807558][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.807558][ T72] [ 7155.810115][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7155.810115][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7155.810115][ T72] ipv6_find_idev+0x102/0x170 [ 7155.810115][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.810115][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.810115][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.810115][ T72] netlink_unicast+0x449/0x710 [ 7155.810115][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.810115][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.810115][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.810115][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.810115][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.810115][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.810115][ T72] [ 7155.812088][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7155.812088][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7155.812088][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7155.812088][ T72] ipv6_find_idev+0x102/0x170 [ 7155.812088][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7155.812088][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7155.812088][ T72] netlink_rcv_skb+0x130/0x360 [ 7155.812088][ T72] netlink_unicast+0x449/0x710 [ 7155.812088][ T72] netlink_sendmsg+0x723/0xbe0 [ 7155.812088][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7155.812088][ T72] ___sys_sendmsg+0xee/0x170 [ 7155.812088][ T72] __sys_sendmsg+0xcd/0x170 [ 7155.812088][ T72] do_syscall_64+0xc6/0x1e0 [ 7155.812088][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7155.812088][ T72] [ 7166.056974][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7166.057969][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7166.057969][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7166.057969][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7166.057969][ T72] fib6_nh_init+0xa22/0x1580 [ 7166.057969][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.057969][ T72] ip6_route_add+0x1c/0x140 [ 7166.057969][ T72] inet6_rtm_newroute+0x104/0x110 [ 7166.057969][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.057969][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.057969][ T72] netlink_unicast+0x449/0x710 [ 7166.057969][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.057969][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.057969][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.057969][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.057969][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.057969][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.057969][ T72] [ 7166.059838][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7166.059838][ T72] dst_init+0x84/0x4a0 [ 7166.059838][ T72] dst_alloc+0x97/0x150 [ 7166.059838][ T72] ip6_dst_alloc+0x23/0x90 [ 7166.059838][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7166.059838][ T72] ip6_pol_route+0x56f/0x840 [ 7166.059838][ T72] fib6_rule_lookup+0x456/0x630 [ 7166.059838][ T72] ip6_route_input+0x59c/0xa50 [ 7166.059838][ T72] ipv6_rcv+0x397/0x810 [ 7166.059838][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7166.059838][ T72] process_backlog+0x101/0x620 [ 7166.059838][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7166.059838][ T72] net_rx_action+0x495/0xbe0 [ 7166.059838][ T72] __do_softirq+0x1b5/0x7f6 [ 7166.059838][ T72] [ 7166.061400][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7166.061400][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.061400][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.061400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.061400][ T72] ip6_route_add+0x1c/0x140 [ 7166.061400][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7166.061400][ T72] inet6_addr_add+0x4f8/0xa40 [ 7166.061400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.061400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.061400][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.061400][ T72] netlink_unicast+0x449/0x710 [ 7166.061400][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.061400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.061400][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.061400][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.061400][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.061400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.061400][ T72] [ 7166.063410][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7166.063410][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.063410][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.063410][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.063410][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7166.063410][ T72] ipv6_add_addr+0x411/0x2000 [ 7166.063410][ T72] inet6_addr_add+0x30e/0xa40 [ 7166.063410][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.063410][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.063410][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.063410][ T72] netlink_unicast+0x449/0x710 [ 7166.063410][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.063410][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.063410][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.063410][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.063410][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.063410][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.063410][ T72] [ 7166.065392][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7166.065392][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.065392][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.065392][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.065392][ T72] ip6_route_add+0x1c/0x140 [ 7166.065392][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7166.065392][ T72] addrconf_add_dev+0xe2/0x170 [ 7166.065392][ T72] inet6_addr_add+0x12f/0xa40 [ 7166.065392][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.065392][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.065392][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.065392][ T72] netlink_unicast+0x449/0x710 [ 7166.065392][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.065392][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.065392][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.065392][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.065392][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.065392][ T72] [ 7166.067350][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7166.067350][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7166.067350][ T72] ipv6_find_idev+0x102/0x170 [ 7166.067350][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7166.067350][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.067350][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.067350][ T72] netlink_unicast+0x449/0x710 [ 7166.067350][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.067350][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.067350][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.067350][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.067350][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.067350][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.067350][ T72] [ 7166.068825][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7166.068825][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7166.068825][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7166.068825][ T72] ipv6_find_idev+0x102/0x170 [ 7166.068825][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7166.068825][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.068825][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.068825][ T72] netlink_unicast+0x449/0x710 [ 7166.068825][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.068825][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.068825][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.068825][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.068825][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.068825][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.068825][ T72] [ 7166.070458][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7166.070748][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7166.070748][ T72] dst_init+0x84/0x4a0 [ 7166.070748][ T72] dst_alloc+0x97/0x150 [ 7166.070748][ T72] ip6_dst_alloc+0x23/0x90 [ 7166.070748][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7166.070748][ T72] ip6_pol_route+0x56f/0x840 [ 7166.070748][ T72] fib6_rule_lookup+0x456/0x630 [ 7166.070748][ T72] ip6_route_input+0x59c/0xa50 [ 7166.070748][ T72] ipv6_rcv+0x397/0x810 [ 7166.070748][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7166.070748][ T72] process_backlog+0x101/0x620 [ 7166.070748][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7166.070748][ T72] net_rx_action+0x495/0xbe0 [ 7166.070748][ T72] __do_softirq+0x1b5/0x7f6 [ 7166.070748][ T72] [ 7166.072369][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7166.072369][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.072369][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.072369][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.072369][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7166.072369][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7166.072369][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7166.072369][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7166.072369][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7166.072369][ T72] addrconf_dad_begin+0x310/0x670 [ 7166.072369][ T72] addrconf_dad_work+0x10b/0xab0 [ 7166.072369][ T72] process_one_work+0x84d/0x18a0 [ 7166.072369][ T72] worker_thread+0x587/0xd30 [ 7166.072369][ T72] kthread+0x28a/0x350 [ 7166.072369][ T72] ret_from_fork+0x31/0x70 [ 7166.072369][ T72] ret_from_fork_asm+0x1a/0x30 [ 7166.072369][ T72] [ 7166.074145][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7166.074145][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.074145][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.074145][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.074145][ T72] ip6_route_add+0x1c/0x140 [ 7166.074145][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7166.074145][ T72] inet6_addr_add+0x4f8/0xa40 [ 7166.074145][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.074145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.074145][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.074145][ T72] netlink_unicast+0x449/0x710 [ 7166.074145][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.074145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.074145][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.074145][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.074145][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.074145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.074145][ T72] [ 7166.076111][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7166.076111][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.076111][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.076111][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.076111][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7166.076111][ T72] ipv6_add_addr+0x411/0x2000 [ 7166.076111][ T72] inet6_addr_add+0x30e/0xa40 [ 7166.076111][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.076111][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.076111][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.076111][ T72] netlink_unicast+0x449/0x710 [ 7166.076111][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.076111][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.076111][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.076111][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.076111][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.076111][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.076111][ T72] [ 7166.078066][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7166.078066][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.078066][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.078066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.078066][ T72] ip6_route_add+0x1c/0x140 [ 7166.078066][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7166.078066][ T72] addrconf_add_dev+0xe2/0x170 [ 7166.078066][ T72] inet6_addr_add+0x12f/0xa40 [ 7166.078066][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.078066][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.078066][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.078066][ T72] netlink_unicast+0x449/0x710 [ 7166.078066][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.078066][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.078066][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.078066][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.078066][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.078066][ T72] [ 7166.079899][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7166.079899][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7166.079899][ T72] ipv6_find_idev+0x102/0x170 [ 7166.079899][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7166.079899][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.079899][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.079899][ T72] netlink_unicast+0x449/0x710 [ 7166.079899][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.079899][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.079899][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.079899][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.079899][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.079899][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.079899][ T72] [ 7166.081411][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7166.081411][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7166.081411][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7166.081411][ T72] ipv6_find_idev+0x102/0x170 [ 7166.081411][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7166.081411][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.081411][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.081411][ T72] netlink_unicast+0x449/0x710 [ 7166.081411][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.081411][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.081411][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.081411][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.081411][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.081411][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.081411][ T72] [ 7166.083263][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7166.083544][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7166.083544][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7166.083544][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7166.083544][ T72] fib6_nh_init+0xa22/0x1580 [ 7166.083544][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.083544][ T72] ip6_route_add+0x1c/0x140 [ 7166.083544][ T72] inet6_rtm_newroute+0x104/0x110 [ 7166.083544][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.083544][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.083544][ T72] netlink_unicast+0x449/0x710 [ 7166.083544][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.083544][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.083544][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.083544][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.083544][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.083544][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.083544][ T72] [ 7166.085636][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7166.085636][ T72] dst_init+0x84/0x4a0 [ 7166.085636][ T72] dst_alloc+0x97/0x150 [ 7166.085636][ T72] ip6_dst_alloc+0x23/0x90 [ 7166.085636][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7166.085636][ T72] ip6_pol_route+0x56f/0x840 [ 7166.085636][ T72] fib6_rule_lookup+0x456/0x630 [ 7166.085636][ T72] ip6_route_input+0x59c/0xa50 [ 7166.085636][ T72] ipv6_rcv+0x397/0x810 [ 7166.085636][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7166.085636][ T72] process_backlog+0x101/0x620 [ 7166.085636][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7166.085636][ T72] net_rx_action+0x495/0xbe0 [ 7166.085636][ T72] __do_softirq+0x1b5/0x7f6 [ 7166.085636][ T72] [ 7166.087471][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7166.087471][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.087471][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.087471][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.087471][ T72] ip6_route_add+0x1c/0x140 [ 7166.087471][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7166.087471][ T72] inet6_addr_add+0x4f8/0xa40 [ 7166.087471][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.087471][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.087471][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.087471][ T72] netlink_unicast+0x449/0x710 [ 7166.087471][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.087471][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.087471][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.087471][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.087471][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.087471][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.087471][ T72] [ 7166.089665][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7166.089665][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.089665][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.089665][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.089665][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7166.089665][ T72] ipv6_add_addr+0x411/0x2000 [ 7166.089665][ T72] inet6_addr_add+0x30e/0xa40 [ 7166.089665][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.089665][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.089665][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.089665][ T72] netlink_unicast+0x449/0x710 [ 7166.089665][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.089665][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.089665][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.089665][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.089665][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.089665][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.089665][ T72] [ 7166.091891][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7166.091891][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.091891][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.091891][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.091891][ T72] ip6_route_add+0x1c/0x140 [ 7166.091891][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7166.091891][ T72] addrconf_add_dev+0xe2/0x170 [ 7166.091891][ T72] inet6_addr_add+0x12f/0xa40 [ 7166.091891][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.091891][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.091891][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.091891][ T72] netlink_unicast+0x449/0x710 [ 7166.091891][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.091891][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.091891][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.091891][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.091891][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.091891][ T72] [ 7166.094103][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7166.094103][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7166.094103][ T72] ipv6_find_idev+0x102/0x170 [ 7166.094103][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7166.094103][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.094103][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.094103][ T72] netlink_unicast+0x449/0x710 [ 7166.094103][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.094103][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.094103][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.094103][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.094103][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.094103][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.094103][ T72] [ 7166.095831][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7166.095831][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7166.095831][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7166.095831][ T72] ipv6_find_idev+0x102/0x170 [ 7166.095831][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7166.095831][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.095831][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.095831][ T72] netlink_unicast+0x449/0x710 [ 7166.095831][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.095831][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.095831][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.095831][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.095831][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.095831][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.095831][ T72] [ 7166.097766][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7166.098066][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7166.098066][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.098066][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.098066][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.098066][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7166.098066][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7166.098066][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7166.098066][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7166.098066][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7166.098066][ T72] addrconf_dad_begin+0x310/0x670 [ 7166.098066][ T72] addrconf_dad_work+0x10b/0xab0 [ 7166.098066][ T72] process_one_work+0x84d/0x18a0 [ 7166.098066][ T72] worker_thread+0x587/0xd30 [ 7166.098066][ T72] kthread+0x28a/0x350 [ 7166.098066][ T72] ret_from_fork+0x31/0x70 [ 7166.098066][ T72] ret_from_fork_asm+0x1a/0x30 [ 7166.098066][ T72] [ 7166.100208][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7166.100208][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.100208][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.100208][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.100208][ T72] ip6_route_add+0x1c/0x140 [ 7166.100208][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7166.100208][ T72] inet6_addr_add+0x4f8/0xa40 [ 7166.100208][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.100208][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.100208][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.100208][ T72] netlink_unicast+0x449/0x710 [ 7166.100208][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.100208][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.100208][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.100208][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.100208][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.100208][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.100208][ T72] [ 7166.102403][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7166.102403][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.102403][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.102403][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.102403][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7166.102403][ T72] ipv6_add_addr+0x411/0x2000 [ 7166.102403][ T72] inet6_addr_add+0x30e/0xa40 [ 7166.102403][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.102403][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.102403][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.102403][ T72] netlink_unicast+0x449/0x710 [ 7166.102403][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.102403][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.102403][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.102403][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.102403][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.102403][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.102403][ T72] [ 7166.104656][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7166.104656][ T72] netdev_get_by_index+0x5e/0x80 [ 7166.104656][ T72] fib6_nh_init+0x3d8/0x1580 [ 7166.104656][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7166.104656][ T72] ip6_route_add+0x1c/0x140 [ 7166.104656][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7166.104656][ T72] addrconf_add_dev+0xe2/0x170 [ 7166.104656][ T72] inet6_addr_add+0x12f/0xa40 [ 7166.104656][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7166.104656][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.104656][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.104656][ T72] netlink_unicast+0x449/0x710 [ 7166.104656][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.104656][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.104656][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.104656][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.104656][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.104656][ T72] [ 7166.106873][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7166.106873][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7166.106873][ T72] ipv6_find_idev+0x102/0x170 [ 7166.106873][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7166.106873][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.106873][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.106873][ T72] netlink_unicast+0x449/0x710 [ 7166.106873][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.106873][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.106873][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.106873][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.106873][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.106873][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.106873][ T72] [ 7166.108603][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7166.108603][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7166.108603][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7166.108603][ T72] ipv6_find_idev+0x102/0x170 [ 7166.108603][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7166.108603][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7166.108603][ T72] netlink_rcv_skb+0x130/0x360 [ 7166.108603][ T72] netlink_unicast+0x449/0x710 [ 7166.108603][ T72] netlink_sendmsg+0x723/0xbe0 [ 7166.108603][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7166.108603][ T72] ___sys_sendmsg+0xee/0x170 [ 7166.108603][ T72] __sys_sendmsg+0xcd/0x170 [ 7166.108603][ T72] do_syscall_64+0xc6/0x1e0 [ 7166.108603][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7166.108603][ T72] [ 7176.169015][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7176.169955][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7176.169955][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7176.169955][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7176.169955][ T72] fib6_nh_init+0xa22/0x1580 [ 7176.169955][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.169955][ T72] ip6_route_add+0x1c/0x140 [ 7176.169955][ T72] inet6_rtm_newroute+0x104/0x110 [ 7176.169955][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.169955][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.169955][ T72] netlink_unicast+0x449/0x710 [ 7176.169955][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.169955][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.169955][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.169955][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.169955][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.169955][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.169955][ T72] [ 7176.171850][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7176.171850][ T72] dst_init+0x84/0x4a0 [ 7176.171850][ T72] dst_alloc+0x97/0x150 [ 7176.171850][ T72] ip6_dst_alloc+0x23/0x90 [ 7176.171850][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7176.171850][ T72] ip6_pol_route+0x56f/0x840 [ 7176.171850][ T72] fib6_rule_lookup+0x456/0x630 [ 7176.171850][ T72] ip6_route_input+0x59c/0xa50 [ 7176.171850][ T72] ipv6_rcv+0x397/0x810 [ 7176.171850][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7176.171850][ T72] process_backlog+0x101/0x620 [ 7176.171850][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7176.171850][ T72] net_rx_action+0x495/0xbe0 [ 7176.171850][ T72] __do_softirq+0x1b5/0x7f6 [ 7176.171850][ T72] [ 7176.173414][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7176.173414][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.173414][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.173414][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.173414][ T72] ip6_route_add+0x1c/0x140 [ 7176.173414][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7176.173414][ T72] inet6_addr_add+0x4f8/0xa40 [ 7176.173414][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.173414][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.173414][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.173414][ T72] netlink_unicast+0x449/0x710 [ 7176.173414][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.173414][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.173414][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.173414][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.173414][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.173414][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.173414][ T72] [ 7176.175495][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7176.175495][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.175495][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.175495][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.175495][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7176.175495][ T72] ipv6_add_addr+0x411/0x2000 [ 7176.175495][ T72] inet6_addr_add+0x30e/0xa40 [ 7176.175495][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.175495][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.175495][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.175495][ T72] netlink_unicast+0x449/0x710 [ 7176.175495][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.175495][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.175495][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.175495][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.175495][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.175495][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.175495][ T72] [ 7176.177550][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7176.177550][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.177550][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.177550][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.177550][ T72] ip6_route_add+0x1c/0x140 [ 7176.177550][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7176.177550][ T72] addrconf_add_dev+0xe2/0x170 [ 7176.177550][ T72] inet6_addr_add+0x12f/0xa40 [ 7176.177550][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.177550][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.177550][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.177550][ T72] netlink_unicast+0x449/0x710 [ 7176.177550][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.177550][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.177550][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.177550][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.177550][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.177550][ T72] [ 7176.179432][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7176.179432][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7176.179432][ T72] ipv6_find_idev+0x102/0x170 [ 7176.179432][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7176.179432][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.179432][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.179432][ T72] netlink_unicast+0x449/0x710 [ 7176.179432][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.179432][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.179432][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.179432][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.179432][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.179432][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.179432][ T72] [ 7176.180991][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7176.180991][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7176.180991][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7176.180991][ T72] ipv6_find_idev+0x102/0x170 [ 7176.180991][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7176.180991][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.180991][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.180991][ T72] netlink_unicast+0x449/0x710 [ 7176.180991][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.180991][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.180991][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.180991][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.180991][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.180991][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.180991][ T72] [ 7176.182732][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7176.183022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7176.183022][ T72] dst_init+0x84/0x4a0 [ 7176.183022][ T72] dst_alloc+0x97/0x150 [ 7176.183022][ T72] ip6_dst_alloc+0x23/0x90 [ 7176.183022][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7176.183022][ T72] ip6_pol_route+0x56f/0x840 [ 7176.183022][ T72] fib6_rule_lookup+0x456/0x630 [ 7176.183022][ T72] ip6_route_input+0x59c/0xa50 [ 7176.183022][ T72] ipv6_rcv+0x397/0x810 [ 7176.183022][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7176.183022][ T72] process_backlog+0x101/0x620 [ 7176.183022][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7176.183022][ T72] net_rx_action+0x495/0xbe0 [ 7176.183022][ T72] __do_softirq+0x1b5/0x7f6 [ 7176.183022][ T72] [ 7176.184669][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7176.184669][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.184669][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.184669][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.184669][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7176.184669][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7176.184669][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7176.184669][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7176.184669][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7176.184669][ T72] addrconf_dad_begin+0x310/0x670 [ 7176.184669][ T72] addrconf_dad_work+0x10b/0xab0 [ 7176.184669][ T72] process_one_work+0x84d/0x18a0 [ 7176.184669][ T72] worker_thread+0x587/0xd30 [ 7176.184669][ T72] kthread+0x28a/0x350 [ 7176.184669][ T72] ret_from_fork+0x31/0x70 [ 7176.184669][ T72] ret_from_fork_asm+0x1a/0x30 [ 7176.184669][ T72] [ 7176.186627][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7176.186627][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.186627][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.186627][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.186627][ T72] ip6_route_add+0x1c/0x140 [ 7176.186627][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7176.186627][ T72] inet6_addr_add+0x4f8/0xa40 [ 7176.186627][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.186627][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.186627][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.186627][ T72] netlink_unicast+0x449/0x710 [ 7176.186627][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.186627][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.186627][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.186627][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.186627][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.186627][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.186627][ T72] [ 7176.188592][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7176.188592][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.188592][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.188592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.188592][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7176.188592][ T72] ipv6_add_addr+0x411/0x2000 [ 7176.188592][ T72] inet6_addr_add+0x30e/0xa40 [ 7176.188592][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.188592][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.188592][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.188592][ T72] netlink_unicast+0x449/0x710 [ 7176.188592][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.188592][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.188592][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.188592][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.188592][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.188592][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.188592][ T72] [ 7176.190554][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7176.190554][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.190554][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.190554][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.190554][ T72] ip6_route_add+0x1c/0x140 [ 7176.190554][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7176.190554][ T72] addrconf_add_dev+0xe2/0x170 [ 7176.190554][ T72] inet6_addr_add+0x12f/0xa40 [ 7176.190554][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.190554][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.190554][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.190554][ T72] netlink_unicast+0x449/0x710 [ 7176.190554][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.190554][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.190554][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.190554][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.190554][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.190554][ T72] [ 7176.192492][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7176.192492][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7176.192492][ T72] ipv6_find_idev+0x102/0x170 [ 7176.192492][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7176.192492][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.192492][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.192492][ T72] netlink_unicast+0x449/0x710 [ 7176.192492][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.192492][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.192492][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.192492][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.192492][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.192492][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.192492][ T72] [ 7176.193997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7176.193997][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7176.193997][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7176.193997][ T72] ipv6_find_idev+0x102/0x170 [ 7176.193997][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7176.193997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.193997][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.193997][ T72] netlink_unicast+0x449/0x710 [ 7176.193997][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.193997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.193997][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.193997][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.193997][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.193997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.193997][ T72] [ 7176.195831][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7176.196112][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7176.196112][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7176.196112][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7176.196112][ T72] fib6_nh_init+0xa22/0x1580 [ 7176.196112][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.196112][ T72] ip6_route_add+0x1c/0x140 [ 7176.196112][ T72] inet6_rtm_newroute+0x104/0x110 [ 7176.196112][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.196112][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.196112][ T72] netlink_unicast+0x449/0x710 [ 7176.196112][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.196112][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.196112][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.196112][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.196112][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.196112][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.196112][ T72] [ 7176.198246][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7176.198246][ T72] dst_init+0x84/0x4a0 [ 7176.198246][ T72] dst_alloc+0x97/0x150 [ 7176.198246][ T72] ip6_dst_alloc+0x23/0x90 [ 7176.198246][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7176.198246][ T72] ip6_pol_route+0x56f/0x840 [ 7176.198246][ T72] fib6_rule_lookup+0x456/0x630 [ 7176.198246][ T72] ip6_route_input+0x59c/0xa50 [ 7176.198246][ T72] ipv6_rcv+0x397/0x810 [ 7176.198246][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7176.198246][ T72] process_backlog+0x101/0x620 [ 7176.198246][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7176.198246][ T72] net_rx_action+0x495/0xbe0 [ 7176.198246][ T72] __do_softirq+0x1b5/0x7f6 [ 7176.198246][ T72] [ 7176.200101][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7176.200101][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.200101][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.200101][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.200101][ T72] ip6_route_add+0x1c/0x140 [ 7176.200101][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7176.200101][ T72] inet6_addr_add+0x4f8/0xa40 [ 7176.200101][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.200101][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.200101][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.200101][ T72] netlink_unicast+0x449/0x710 [ 7176.200101][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.200101][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.200101][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.200101][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.200101][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.200101][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.200101][ T72] [ 7176.202286][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7176.202286][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.202286][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.202286][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.202286][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7176.202286][ T72] ipv6_add_addr+0x411/0x2000 [ 7176.202286][ T72] inet6_addr_add+0x30e/0xa40 [ 7176.202286][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.202286][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.202286][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.202286][ T72] netlink_unicast+0x449/0x710 [ 7176.202286][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.202286][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.202286][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.202286][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.202286][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.202286][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.202286][ T72] [ 7176.204509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7176.204509][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.204509][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.204509][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.204509][ T72] ip6_route_add+0x1c/0x140 [ 7176.204509][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7176.204509][ T72] addrconf_add_dev+0xe2/0x170 [ 7176.204509][ T72] inet6_addr_add+0x12f/0xa40 [ 7176.204509][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.204509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.204509][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.204509][ T72] netlink_unicast+0x449/0x710 [ 7176.204509][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.204509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.204509][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.204509][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.204509][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.204509][ T72] [ 7176.206788][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7176.206788][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7176.206788][ T72] ipv6_find_idev+0x102/0x170 [ 7176.206788][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7176.206788][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.206788][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.206788][ T72] netlink_unicast+0x449/0x710 [ 7176.206788][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.206788][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.206788][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.206788][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.206788][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.206788][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.206788][ T72] [ 7176.208509][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7176.208509][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7176.208509][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7176.208509][ T72] ipv6_find_idev+0x102/0x170 [ 7176.208509][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7176.208509][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.208509][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.208509][ T72] netlink_unicast+0x449/0x710 [ 7176.208509][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.208509][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.208509][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.208509][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.208509][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.208509][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.208509][ T72] [ 7176.210404][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7176.210685][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7176.210685][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.210685][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.210685][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.210685][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7176.210685][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7176.210685][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7176.210685][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7176.210685][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7176.210685][ T72] addrconf_dad_begin+0x310/0x670 [ 7176.210685][ T72] addrconf_dad_work+0x10b/0xab0 [ 7176.210685][ T72] process_one_work+0x84d/0x18a0 [ 7176.210685][ T72] worker_thread+0x587/0xd30 [ 7176.210685][ T72] kthread+0x28a/0x350 [ 7176.210685][ T72] ret_from_fork+0x31/0x70 [ 7176.210685][ T72] ret_from_fork_asm+0x1a/0x30 [ 7176.210685][ T72] [ 7176.212834][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7176.212834][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.212834][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.212834][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.212834][ T72] ip6_route_add+0x1c/0x140 [ 7176.212834][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7176.212834][ T72] inet6_addr_add+0x4f8/0xa40 [ 7176.212834][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.212834][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.212834][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.212834][ T72] netlink_unicast+0x449/0x710 [ 7176.212834][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.212834][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.212834][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.212834][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.212834][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.212834][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.212834][ T72] [ 7176.215065][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7176.215065][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.215065][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.215065][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.215065][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7176.215065][ T72] ipv6_add_addr+0x411/0x2000 [ 7176.215065][ T72] inet6_addr_add+0x30e/0xa40 [ 7176.215065][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.215065][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.215065][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.215065][ T72] netlink_unicast+0x449/0x710 [ 7176.215065][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.215065][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.215065][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.215065][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.215065][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.215065][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.215065][ T72] [ 7176.217365][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7176.217365][ T72] netdev_get_by_index+0x5e/0x80 [ 7176.217365][ T72] fib6_nh_init+0x3d8/0x1580 [ 7176.217365][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7176.217365][ T72] ip6_route_add+0x1c/0x140 [ 7176.217365][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7176.217365][ T72] addrconf_add_dev+0xe2/0x170 [ 7176.217365][ T72] inet6_addr_add+0x12f/0xa40 [ 7176.217365][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7176.217365][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.217365][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.217365][ T72] netlink_unicast+0x449/0x710 [ 7176.217365][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.217365][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.217365][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.217365][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.217365][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.217365][ T72] [ 7176.219510][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7176.219510][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7176.219510][ T72] ipv6_find_idev+0x102/0x170 [ 7176.219510][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7176.219510][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.219510][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.219510][ T72] netlink_unicast+0x449/0x710 [ 7176.219510][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.219510][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.219510][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.219510][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.219510][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.219510][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.219510][ T72] [ 7176.221207][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7176.221207][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7176.221207][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7176.221207][ T72] ipv6_find_idev+0x102/0x170 [ 7176.221207][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7176.221207][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7176.221207][ T72] netlink_rcv_skb+0x130/0x360 [ 7176.221207][ T72] netlink_unicast+0x449/0x710 [ 7176.221207][ T72] netlink_sendmsg+0x723/0xbe0 [ 7176.221207][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7176.221207][ T72] ___sys_sendmsg+0xee/0x170 [ 7176.221207][ T72] __sys_sendmsg+0xcd/0x170 [ 7176.221207][ T72] do_syscall_64+0xc6/0x1e0 [ 7176.221207][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7176.221207][ T72] [ 7186.408986][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7186.409923][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7186.409923][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7186.409923][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7186.409923][ T72] fib6_nh_init+0xa22/0x1580 [ 7186.409923][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.409923][ T72] ip6_route_add+0x1c/0x140 [ 7186.409923][ T72] inet6_rtm_newroute+0x104/0x110 [ 7186.409923][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.409923][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.409923][ T72] netlink_unicast+0x449/0x710 [ 7186.409923][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.409923][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.409923][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.409923][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.409923][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.409923][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.409923][ T72] [ 7186.411731][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7186.411731][ T72] dst_init+0x84/0x4a0 [ 7186.411731][ T72] dst_alloc+0x97/0x150 [ 7186.411731][ T72] ip6_dst_alloc+0x23/0x90 [ 7186.411731][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7186.411731][ T72] ip6_pol_route+0x56f/0x840 [ 7186.411731][ T72] fib6_rule_lookup+0x456/0x630 [ 7186.411731][ T72] ip6_route_input+0x59c/0xa50 [ 7186.411731][ T72] ipv6_rcv+0x397/0x810 [ 7186.411731][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7186.411731][ T72] process_backlog+0x101/0x620 [ 7186.411731][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7186.411731][ T72] net_rx_action+0x495/0xbe0 [ 7186.411731][ T72] __do_softirq+0x1b5/0x7f6 [ 7186.411731][ T72] [ 7186.413305][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7186.413305][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.413305][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.413305][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.413305][ T72] ip6_route_add+0x1c/0x140 [ 7186.413305][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7186.413305][ T72] inet6_addr_add+0x4f8/0xa40 [ 7186.413305][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.413305][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.413305][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.413305][ T72] netlink_unicast+0x449/0x710 [ 7186.413305][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.413305][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.413305][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.413305][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.413305][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.413305][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.413305][ T72] [ 7186.415234][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7186.415234][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.415234][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.415234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.415234][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7186.415234][ T72] ipv6_add_addr+0x411/0x2000 [ 7186.415234][ T72] inet6_addr_add+0x30e/0xa40 [ 7186.415234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.415234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.415234][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.415234][ T72] netlink_unicast+0x449/0x710 [ 7186.415234][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.415234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.415234][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.415234][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.415234][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.415234][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.415234][ T72] [ 7186.417234][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7186.417234][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.417234][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.417234][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.417234][ T72] ip6_route_add+0x1c/0x140 [ 7186.417234][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7186.417234][ T72] addrconf_add_dev+0xe2/0x170 [ 7186.417234][ T72] inet6_addr_add+0x12f/0xa40 [ 7186.417234][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.417234][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.417234][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.417234][ T72] netlink_unicast+0x449/0x710 [ 7186.417234][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.417234][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.417234][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.417234][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.417234][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.417234][ T72] [ 7186.419072][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7186.419072][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7186.419072][ T72] ipv6_find_idev+0x102/0x170 [ 7186.419072][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7186.419072][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.419072][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.419072][ T72] netlink_unicast+0x449/0x710 [ 7186.419072][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.419072][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.419072][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.419072][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.419072][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.419072][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.419072][ T72] [ 7186.420568][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7186.420568][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7186.420568][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7186.420568][ T72] ipv6_find_idev+0x102/0x170 [ 7186.420568][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7186.420568][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.420568][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.420568][ T72] netlink_unicast+0x449/0x710 [ 7186.420568][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.420568][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.420568][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.420568][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.420568][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.420568][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.420568][ T72] [ 7186.422177][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7186.422444][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7186.422444][ T72] dst_init+0x84/0x4a0 [ 7186.422444][ T72] dst_alloc+0x97/0x150 [ 7186.422444][ T72] ip6_dst_alloc+0x23/0x90 [ 7186.422444][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7186.422444][ T72] ip6_pol_route+0x56f/0x840 [ 7186.422444][ T72] fib6_rule_lookup+0x456/0x630 [ 7186.422444][ T72] ip6_route_input+0x59c/0xa50 [ 7186.422444][ T72] ipv6_rcv+0x397/0x810 [ 7186.422444][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7186.422444][ T72] process_backlog+0x101/0x620 [ 7186.422444][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7186.422444][ T72] net_rx_action+0x495/0xbe0 [ 7186.422444][ T72] __do_softirq+0x1b5/0x7f6 [ 7186.422444][ T72] [ 7186.424095][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7186.424095][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.424095][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.424095][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.424095][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7186.424095][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7186.424095][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7186.424095][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7186.424095][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7186.424095][ T72] addrconf_dad_begin+0x310/0x670 [ 7186.424095][ T72] addrconf_dad_work+0x10b/0xab0 [ 7186.424095][ T72] process_one_work+0x84d/0x18a0 [ 7186.424095][ T72] worker_thread+0x587/0xd30 [ 7186.424095][ T72] kthread+0x28a/0x350 [ 7186.424095][ T72] ret_from_fork+0x31/0x70 [ 7186.424095][ T72] ret_from_fork_asm+0x1a/0x30 [ 7186.424095][ T72] [ 7186.425997][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7186.425997][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.425997][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.425997][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.425997][ T72] ip6_route_add+0x1c/0x140 [ 7186.425997][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7186.425997][ T72] inet6_addr_add+0x4f8/0xa40 [ 7186.425997][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.425997][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.425997][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.425997][ T72] netlink_unicast+0x449/0x710 [ 7186.425997][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.425997][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.425997][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.425997][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.425997][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.425997][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.425997][ T72] [ 7186.427994][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7186.427994][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.427994][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.427994][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.427994][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7186.427994][ T72] ipv6_add_addr+0x411/0x2000 [ 7186.427994][ T72] inet6_addr_add+0x30e/0xa40 [ 7186.427994][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.427994][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.427994][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.427994][ T72] netlink_unicast+0x449/0x710 [ 7186.427994][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.427994][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.427994][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.427994][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.427994][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.427994][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.427994][ T72] [ 7186.429959][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7186.429959][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.429959][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.429959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.429959][ T72] ip6_route_add+0x1c/0x140 [ 7186.429959][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7186.429959][ T72] addrconf_add_dev+0xe2/0x170 [ 7186.429959][ T72] inet6_addr_add+0x12f/0xa40 [ 7186.429959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.429959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.429959][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.429959][ T72] netlink_unicast+0x449/0x710 [ 7186.429959][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.429959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.429959][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.429959][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.429959][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.429959][ T72] [ 7186.431946][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7186.431946][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7186.431946][ T72] ipv6_find_idev+0x102/0x170 [ 7186.431946][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7186.431946][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.431946][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.431946][ T72] netlink_unicast+0x449/0x710 [ 7186.431946][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.431946][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.431946][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.431946][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.431946][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.431946][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.431946][ T72] [ 7186.433578][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7186.433578][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7186.433578][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7186.433578][ T72] ipv6_find_idev+0x102/0x170 [ 7186.433578][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7186.433578][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.433578][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.433578][ T72] netlink_unicast+0x449/0x710 [ 7186.433578][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.433578][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.433578][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.433578][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.433578][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.433578][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.433578][ T72] [ 7186.435428][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7186.435707][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7186.435707][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7186.435707][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7186.435707][ T72] fib6_nh_init+0xa22/0x1580 [ 7186.435707][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.435707][ T72] ip6_route_add+0x1c/0x140 [ 7186.435707][ T72] inet6_rtm_newroute+0x104/0x110 [ 7186.435707][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.435707][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.435707][ T72] netlink_unicast+0x449/0x710 [ 7186.435707][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.435707][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.435707][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.435707][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.435707][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.435707][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.435707][ T72] [ 7186.437848][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7186.437848][ T72] dst_init+0x84/0x4a0 [ 7186.437848][ T72] dst_alloc+0x97/0x150 [ 7186.437848][ T72] ip6_dst_alloc+0x23/0x90 [ 7186.437848][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7186.437848][ T72] ip6_pol_route+0x56f/0x840 [ 7186.437848][ T72] fib6_rule_lookup+0x456/0x630 [ 7186.437848][ T72] ip6_route_input+0x59c/0xa50 [ 7186.437848][ T72] ipv6_rcv+0x397/0x810 [ 7186.437848][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7186.437848][ T72] process_backlog+0x101/0x620 [ 7186.437848][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7186.437848][ T72] net_rx_action+0x495/0xbe0 [ 7186.437848][ T72] __do_softirq+0x1b5/0x7f6 [ 7186.437848][ T72] [ 7186.439731][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7186.439731][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.439731][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.439731][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.439731][ T72] ip6_route_add+0x1c/0x140 [ 7186.439731][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7186.439731][ T72] inet6_addr_add+0x4f8/0xa40 [ 7186.439731][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.439731][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.439731][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.439731][ T72] netlink_unicast+0x449/0x710 [ 7186.439731][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.439731][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.439731][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.439731][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.439731][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.439731][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.439731][ T72] [ 7186.441938][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7186.441938][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.441938][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.441938][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.441938][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7186.441938][ T72] ipv6_add_addr+0x411/0x2000 [ 7186.441938][ T72] inet6_addr_add+0x30e/0xa40 [ 7186.441938][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.441938][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.441938][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.441938][ T72] netlink_unicast+0x449/0x710 [ 7186.441938][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.441938][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.441938][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.441938][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.441938][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.441938][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.441938][ T72] [ 7186.444833][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7186.444833][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.444833][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.444833][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.444833][ T72] ip6_route_add+0x1c/0x140 [ 7186.444833][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7186.444833][ T72] addrconf_add_dev+0xe2/0x170 [ 7186.444833][ T72] inet6_addr_add+0x12f/0xa40 [ 7186.444833][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.444833][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.444833][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.444833][ T72] netlink_unicast+0x449/0x710 [ 7186.444833][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.444833][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.444833][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.444833][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.444833][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.444833][ T72] [ 7186.447127][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7186.447127][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7186.447127][ T72] ipv6_find_idev+0x102/0x170 [ 7186.447127][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7186.447127][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.447127][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.447127][ T72] netlink_unicast+0x449/0x710 [ 7186.447127][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.447127][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.447127][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.447127][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.447127][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.447127][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.447127][ T72] [ 7186.448861][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7186.448861][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7186.448861][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7186.448861][ T72] ipv6_find_idev+0x102/0x170 [ 7186.448861][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7186.448861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.448861][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.448861][ T72] netlink_unicast+0x449/0x710 [ 7186.448861][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.448861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.448861][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.448861][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.448861][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.448861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.448861][ T72] [ 7186.450777][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7186.451077][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7186.451077][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.451077][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.451077][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.451077][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7186.451077][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7186.451077][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7186.451077][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7186.451077][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7186.451077][ T72] addrconf_dad_begin+0x310/0x670 [ 7186.451077][ T72] addrconf_dad_work+0x10b/0xab0 [ 7186.451077][ T72] process_one_work+0x84d/0x18a0 [ 7186.451077][ T72] worker_thread+0x587/0xd30 [ 7186.451077][ T72] kthread+0x28a/0x350 [ 7186.451077][ T72] ret_from_fork+0x31/0x70 [ 7186.451077][ T72] ret_from_fork_asm+0x1a/0x30 [ 7186.451077][ T72] [ 7186.453248][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7186.453248][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.453248][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.453248][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.453248][ T72] ip6_route_add+0x1c/0x140 [ 7186.453248][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7186.453248][ T72] inet6_addr_add+0x4f8/0xa40 [ 7186.453248][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.453248][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.453248][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.453248][ T72] netlink_unicast+0x449/0x710 [ 7186.453248][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.453248][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.453248][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.453248][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.453248][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.453248][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.453248][ T72] [ 7186.455553][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7186.455553][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.455553][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.455553][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.455553][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7186.455553][ T72] ipv6_add_addr+0x411/0x2000 [ 7186.455553][ T72] inet6_addr_add+0x30e/0xa40 [ 7186.455553][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.455553][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.455553][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.455553][ T72] netlink_unicast+0x449/0x710 [ 7186.455553][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.455553][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.455553][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.455553][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.455553][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.455553][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.455553][ T72] [ 7186.457830][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7186.457830][ T72] netdev_get_by_index+0x5e/0x80 [ 7186.457830][ T72] fib6_nh_init+0x3d8/0x1580 [ 7186.457830][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7186.457830][ T72] ip6_route_add+0x1c/0x140 [ 7186.457830][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7186.457830][ T72] addrconf_add_dev+0xe2/0x170 [ 7186.457830][ T72] inet6_addr_add+0x12f/0xa40 [ 7186.457830][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7186.457830][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.457830][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.457830][ T72] netlink_unicast+0x449/0x710 [ 7186.457830][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.457830][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.457830][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.457830][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.457830][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.457830][ T72] [ 7186.459970][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7186.459970][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7186.459970][ T72] ipv6_find_idev+0x102/0x170 [ 7186.459970][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7186.459970][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.459970][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.459970][ T72] netlink_unicast+0x449/0x710 [ 7186.459970][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.459970][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.459970][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.459970][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.459970][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.459970][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.459970][ T72] [ 7186.461692][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7186.461692][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7186.461692][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7186.461692][ T72] ipv6_find_idev+0x102/0x170 [ 7186.461692][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7186.461692][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7186.461692][ T72] netlink_rcv_skb+0x130/0x360 [ 7186.461692][ T72] netlink_unicast+0x449/0x710 [ 7186.461692][ T72] netlink_sendmsg+0x723/0xbe0 [ 7186.461692][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7186.461692][ T72] ___sys_sendmsg+0xee/0x170 [ 7186.461692][ T72] __sys_sendmsg+0xcd/0x170 [ 7186.461692][ T72] do_syscall_64+0xc6/0x1e0 [ 7186.461692][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7186.461692][ T72] [ 7196.712977][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7196.714033][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7196.714033][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7196.714033][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7196.714033][ T72] fib6_nh_init+0xa22/0x1580 [ 7196.714033][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.714033][ T72] ip6_route_add+0x1c/0x140 [ 7196.714033][ T72] inet6_rtm_newroute+0x104/0x110 [ 7196.714033][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.714033][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.714033][ T72] netlink_unicast+0x449/0x710 [ 7196.714033][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.714033][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.714033][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.714033][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.714033][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.714033][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.714033][ T72] [ 7196.715931][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7196.715931][ T72] dst_init+0x84/0x4a0 [ 7196.715931][ T72] dst_alloc+0x97/0x150 [ 7196.715931][ T72] ip6_dst_alloc+0x23/0x90 [ 7196.715931][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7196.715931][ T72] ip6_pol_route+0x56f/0x840 [ 7196.715931][ T72] fib6_rule_lookup+0x456/0x630 [ 7196.715931][ T72] ip6_route_input+0x59c/0xa50 [ 7196.715931][ T72] ipv6_rcv+0x397/0x810 [ 7196.715931][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7196.715931][ T72] process_backlog+0x101/0x620 [ 7196.715931][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7196.715931][ T72] net_rx_action+0x495/0xbe0 [ 7196.715931][ T72] __do_softirq+0x1b5/0x7f6 [ 7196.715931][ T72] [ 7196.717566][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7196.717566][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.717566][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.717566][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.717566][ T72] ip6_route_add+0x1c/0x140 [ 7196.717566][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7196.717566][ T72] inet6_addr_add+0x4f8/0xa40 [ 7196.717566][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.717566][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.717566][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.717566][ T72] netlink_unicast+0x449/0x710 [ 7196.717566][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.717566][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.717566][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.717566][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.717566][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.717566][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.717566][ T72] [ 7196.719505][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7196.719505][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.719505][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.719505][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.719505][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7196.719505][ T72] ipv6_add_addr+0x411/0x2000 [ 7196.719505][ T72] inet6_addr_add+0x30e/0xa40 [ 7196.719505][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.719505][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.719505][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.719505][ T72] netlink_unicast+0x449/0x710 [ 7196.719505][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.719505][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.719505][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.719505][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.719505][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.719505][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.719505][ T72] [ 7196.721439][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7196.721439][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.721439][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.721439][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.721439][ T72] ip6_route_add+0x1c/0x140 [ 7196.721439][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7196.721439][ T72] addrconf_add_dev+0xe2/0x170 [ 7196.721439][ T72] inet6_addr_add+0x12f/0xa40 [ 7196.721439][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.721439][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.721439][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.721439][ T72] netlink_unicast+0x449/0x710 [ 7196.721439][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.721439][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.721439][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.721439][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.721439][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.721439][ T72] [ 7196.723386][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7196.723386][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7196.723386][ T72] ipv6_find_idev+0x102/0x170 [ 7196.723386][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.723386][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.723386][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.723386][ T72] netlink_unicast+0x449/0x710 [ 7196.723386][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.723386][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.723386][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.723386][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.723386][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.723386][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.723386][ T72] [ 7196.724980][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7196.724980][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7196.724980][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7196.724980][ T72] ipv6_find_idev+0x102/0x170 [ 7196.724980][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.724980][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.724980][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.724980][ T72] netlink_unicast+0x449/0x710 [ 7196.724980][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.724980][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.724980][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.724980][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.724980][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.724980][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.724980][ T72] [ 7196.726663][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7196.726939][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7196.726939][ T72] dst_init+0x84/0x4a0 [ 7196.726939][ T72] dst_alloc+0x97/0x150 [ 7196.726939][ T72] ip6_dst_alloc+0x23/0x90 [ 7196.726939][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7196.726939][ T72] ip6_pol_route+0x56f/0x840 [ 7196.726939][ T72] fib6_rule_lookup+0x456/0x630 [ 7196.726939][ T72] ip6_route_input+0x59c/0xa50 [ 7196.726939][ T72] ipv6_rcv+0x397/0x810 [ 7196.726939][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7196.726939][ T72] process_backlog+0x101/0x620 [ 7196.726939][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7196.726939][ T72] net_rx_action+0x495/0xbe0 [ 7196.726939][ T72] __do_softirq+0x1b5/0x7f6 [ 7196.726939][ T72] [ 7196.728545][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7196.728545][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.728545][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.728545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.728545][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7196.728545][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7196.728545][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7196.728545][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7196.728545][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7196.728545][ T72] addrconf_dad_begin+0x310/0x670 [ 7196.728545][ T72] addrconf_dad_work+0x10b/0xab0 [ 7196.728545][ T72] process_one_work+0x84d/0x18a0 [ 7196.728545][ T72] worker_thread+0x587/0xd30 [ 7196.728545][ T72] kthread+0x28a/0x350 [ 7196.728545][ T72] ret_from_fork+0x31/0x70 [ 7196.728545][ T72] ret_from_fork_asm+0x1a/0x30 [ 7196.728545][ T72] [ 7196.730391][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7196.730391][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.730391][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.730391][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.730391][ T72] ip6_route_add+0x1c/0x140 [ 7196.730391][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7196.730391][ T72] inet6_addr_add+0x4f8/0xa40 [ 7196.730391][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.730391][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.730391][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.730391][ T72] netlink_unicast+0x449/0x710 [ 7196.730391][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.730391][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.730391][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.730391][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.730391][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.730391][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.730391][ T72] [ 7196.732378][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7196.732378][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.732378][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.732378][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.732378][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7196.732378][ T72] ipv6_add_addr+0x411/0x2000 [ 7196.732378][ T72] inet6_addr_add+0x30e/0xa40 [ 7196.732378][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.732378][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.732378][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.732378][ T72] netlink_unicast+0x449/0x710 [ 7196.732378][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.732378][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.732378][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.732378][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.732378][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.732378][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.732378][ T72] [ 7196.734370][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7196.734370][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.734370][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.734370][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.734370][ T72] ip6_route_add+0x1c/0x140 [ 7196.734370][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7196.734370][ T72] addrconf_add_dev+0xe2/0x170 [ 7196.734370][ T72] inet6_addr_add+0x12f/0xa40 [ 7196.734370][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.734370][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.734370][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.734370][ T72] netlink_unicast+0x449/0x710 [ 7196.734370][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.734370][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.734370][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.734370][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.734370][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.734370][ T72] [ 7196.736376][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7196.736376][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7196.736376][ T72] ipv6_find_idev+0x102/0x170 [ 7196.736376][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.736376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.736376][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.736376][ T72] netlink_unicast+0x449/0x710 [ 7196.736376][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.736376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.736376][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.736376][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.736376][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.736376][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.736376][ T72] [ 7196.737898][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7196.737898][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7196.737898][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7196.737898][ T72] ipv6_find_idev+0x102/0x170 [ 7196.737898][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.737898][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.737898][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.737898][ T72] netlink_unicast+0x449/0x710 [ 7196.737898][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.737898][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.737898][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.737898][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.737898][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.737898][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.737898][ T72] [ 7196.739754][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7196.740129][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7196.740129][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7196.740129][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7196.740129][ T72] fib6_nh_init+0xa22/0x1580 [ 7196.740129][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.740129][ T72] ip6_route_add+0x1c/0x140 [ 7196.740129][ T72] inet6_rtm_newroute+0x104/0x110 [ 7196.740129][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.740129][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.740129][ T72] netlink_unicast+0x449/0x710 [ 7196.740129][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.740129][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.740129][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.740129][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.740129][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.740129][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.740129][ T72] [ 7196.742234][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7196.742234][ T72] dst_init+0x84/0x4a0 [ 7196.742234][ T72] dst_alloc+0x97/0x150 [ 7196.742234][ T72] ip6_dst_alloc+0x23/0x90 [ 7196.742234][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7196.742234][ T72] ip6_pol_route+0x56f/0x840 [ 7196.742234][ T72] fib6_rule_lookup+0x456/0x630 [ 7196.742234][ T72] ip6_route_input+0x59c/0xa50 [ 7196.742234][ T72] ipv6_rcv+0x397/0x810 [ 7196.742234][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7196.742234][ T72] process_backlog+0x101/0x620 [ 7196.742234][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7196.742234][ T72] net_rx_action+0x495/0xbe0 [ 7196.742234][ T72] __do_softirq+0x1b5/0x7f6 [ 7196.742234][ T72] [ 7196.744037][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7196.744037][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.744037][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.744037][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.744037][ T72] ip6_route_add+0x1c/0x140 [ 7196.744037][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7196.744037][ T72] inet6_addr_add+0x4f8/0xa40 [ 7196.744037][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.744037][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.744037][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.744037][ T72] netlink_unicast+0x449/0x710 [ 7196.744037][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.744037][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.744037][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.744037][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.744037][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.744037][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.744037][ T72] [ 7196.746284][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7196.746284][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.746284][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.746284][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.746284][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7196.746284][ T72] ipv6_add_addr+0x411/0x2000 [ 7196.746284][ T72] inet6_addr_add+0x30e/0xa40 [ 7196.746284][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.746284][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.746284][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.746284][ T72] netlink_unicast+0x449/0x710 [ 7196.746284][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.746284][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.746284][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.746284][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.746284][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.746284][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.746284][ T72] [ 7196.748511][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7196.748511][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.748511][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.748511][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.748511][ T72] ip6_route_add+0x1c/0x140 [ 7196.748511][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7196.748511][ T72] addrconf_add_dev+0xe2/0x170 [ 7196.748511][ T72] inet6_addr_add+0x12f/0xa40 [ 7196.748511][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.748511][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.748511][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.748511][ T72] netlink_unicast+0x449/0x710 [ 7196.748511][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.748511][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.748511][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.748511][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.748511][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.748511][ T72] [ 7196.750701][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7196.750701][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7196.750701][ T72] ipv6_find_idev+0x102/0x170 [ 7196.750701][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.750701][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.750701][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.750701][ T72] netlink_unicast+0x449/0x710 [ 7196.750701][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.750701][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.750701][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.750701][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.750701][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.750701][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.750701][ T72] [ 7196.752407][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7196.752407][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7196.752407][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7196.752407][ T72] ipv6_find_idev+0x102/0x170 [ 7196.752407][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.752407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.752407][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.752407][ T72] netlink_unicast+0x449/0x710 [ 7196.752407][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.752407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.752407][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.752407][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.752407][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.752407][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.752407][ T72] [ 7196.754320][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7196.754592][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7196.754592][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.754592][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.754592][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.754592][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7196.754592][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7196.754592][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7196.754592][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7196.754592][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7196.754592][ T72] addrconf_dad_begin+0x310/0x670 [ 7196.754592][ T72] addrconf_dad_work+0x10b/0xab0 [ 7196.754592][ T72] process_one_work+0x84d/0x18a0 [ 7196.754592][ T72] worker_thread+0x587/0xd30 [ 7196.754592][ T72] kthread+0x28a/0x350 [ 7196.754592][ T72] ret_from_fork+0x31/0x70 [ 7196.754592][ T72] ret_from_fork_asm+0x1a/0x30 [ 7196.754592][ T72] [ 7196.756738][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7196.756738][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.756738][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.756738][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.756738][ T72] ip6_route_add+0x1c/0x140 [ 7196.756738][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7196.756738][ T72] inet6_addr_add+0x4f8/0xa40 [ 7196.756738][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.756738][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.756738][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.756738][ T72] netlink_unicast+0x449/0x710 [ 7196.756738][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.756738][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.756738][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.756738][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.756738][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.756738][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.756738][ T72] [ 7196.758861][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7196.758861][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.758861][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.758861][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.758861][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7196.758861][ T72] ipv6_add_addr+0x411/0x2000 [ 7196.758861][ T72] inet6_addr_add+0x30e/0xa40 [ 7196.758861][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.758861][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.758861][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.758861][ T72] netlink_unicast+0x449/0x710 [ 7196.758861][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.758861][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.758861][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.758861][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.758861][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.758861][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.758861][ T72] [ 7196.761139][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7196.761139][ T72] netdev_get_by_index+0x5e/0x80 [ 7196.761139][ T72] fib6_nh_init+0x3d8/0x1580 [ 7196.761139][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7196.761139][ T72] ip6_route_add+0x1c/0x140 [ 7196.761139][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7196.761139][ T72] addrconf_add_dev+0xe2/0x170 [ 7196.761139][ T72] inet6_addr_add+0x12f/0xa40 [ 7196.761139][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7196.761139][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.761139][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.761139][ T72] netlink_unicast+0x449/0x710 [ 7196.761139][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.761139][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.761139][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.761139][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.761139][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.761139][ T72] [ 7196.763325][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7196.763325][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7196.763325][ T72] ipv6_find_idev+0x102/0x170 [ 7196.763325][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.763325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.763325][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.763325][ T72] netlink_unicast+0x449/0x710 [ 7196.763325][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.763325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.763325][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.763325][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.763325][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.763325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.763325][ T72] [ 7196.765012][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7196.765012][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7196.765012][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7196.765012][ T72] ipv6_find_idev+0x102/0x170 [ 7196.765012][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7196.765012][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7196.765012][ T72] netlink_rcv_skb+0x130/0x360 [ 7196.765012][ T72] netlink_unicast+0x449/0x710 [ 7196.765012][ T72] netlink_sendmsg+0x723/0xbe0 [ 7196.765012][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7196.765012][ T72] ___sys_sendmsg+0xee/0x170 [ 7196.765012][ T72] __sys_sendmsg+0xcd/0x170 [ 7196.765012][ T72] do_syscall_64+0xc6/0x1e0 [ 7196.765012][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7196.765012][ T72] [ 7206.800978][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7206.801835][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7206.801835][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7206.801835][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7206.801835][ T72] fib6_nh_init+0xa22/0x1580 [ 7206.801835][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.801835][ T72] ip6_route_add+0x1c/0x140 [ 7206.801835][ T72] inet6_rtm_newroute+0x104/0x110 [ 7206.801835][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.801835][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.801835][ T72] netlink_unicast+0x449/0x710 [ 7206.801835][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.801835][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.801835][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.801835][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.801835][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.801835][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.801835][ T72] [ 7206.803851][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7206.803851][ T72] dst_init+0x84/0x4a0 [ 7206.803851][ T72] dst_alloc+0x97/0x150 [ 7206.803851][ T72] ip6_dst_alloc+0x23/0x90 [ 7206.803851][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7206.803851][ T72] ip6_pol_route+0x56f/0x840 [ 7206.803851][ T72] fib6_rule_lookup+0x456/0x630 [ 7206.803851][ T72] ip6_route_input+0x59c/0xa50 [ 7206.803851][ T72] ipv6_rcv+0x397/0x810 [ 7206.803851][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7206.803851][ T72] process_backlog+0x101/0x620 [ 7206.803851][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7206.803851][ T72] net_rx_action+0x495/0xbe0 [ 7206.803851][ T72] __do_softirq+0x1b5/0x7f6 [ 7206.803851][ T72] [ 7206.805662][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7206.805662][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.805662][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.805662][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.805662][ T72] ip6_route_add+0x1c/0x140 [ 7206.805662][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7206.805662][ T72] inet6_addr_add+0x4f8/0xa40 [ 7206.805662][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.805662][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.805662][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.805662][ T72] netlink_unicast+0x449/0x710 [ 7206.805662][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.805662][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.805662][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.805662][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.805662][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.805662][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.805662][ T72] [ 7206.807708][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7206.807708][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.807708][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.807708][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.807708][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7206.807708][ T72] ipv6_add_addr+0x411/0x2000 [ 7206.807708][ T72] inet6_addr_add+0x30e/0xa40 [ 7206.807708][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.807708][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.807708][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.807708][ T72] netlink_unicast+0x449/0x710 [ 7206.807708][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.807708][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.807708][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.807708][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.807708][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.807708][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.807708][ T72] [ 7206.809875][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7206.809875][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.809875][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.809875][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.809875][ T72] ip6_route_add+0x1c/0x140 [ 7206.809875][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7206.809875][ T72] addrconf_add_dev+0xe2/0x170 [ 7206.809875][ T72] inet6_addr_add+0x12f/0xa40 [ 7206.809875][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.809875][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.809875][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.809875][ T72] netlink_unicast+0x449/0x710 [ 7206.809875][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.809875][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.809875][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.809875][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.809875][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.809875][ T72] [ 7206.812046][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7206.812046][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7206.812046][ T72] ipv6_find_idev+0x102/0x170 [ 7206.812046][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.812046][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.812046][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.812046][ T72] netlink_unicast+0x449/0x710 [ 7206.812046][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.812046][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.812046][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.812046][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.812046][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.812046][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.812046][ T72] [ 7206.813737][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7206.813737][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7206.813737][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7206.813737][ T72] ipv6_find_idev+0x102/0x170 [ 7206.813737][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.813737][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.813737][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.813737][ T72] netlink_unicast+0x449/0x710 [ 7206.813737][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.813737][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.813737][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.813737][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.813737][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.813737][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.813737][ T72] [ 7206.815559][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7206.815867][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7206.815867][ T72] dst_init+0x84/0x4a0 [ 7206.815867][ T72] dst_alloc+0x97/0x150 [ 7206.815867][ T72] ip6_dst_alloc+0x23/0x90 [ 7206.815867][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7206.815867][ T72] ip6_pol_route+0x56f/0x840 [ 7206.815867][ T72] fib6_rule_lookup+0x456/0x630 [ 7206.815867][ T72] ip6_route_input+0x59c/0xa50 [ 7206.815867][ T72] ipv6_rcv+0x397/0x810 [ 7206.815867][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7206.815867][ T72] process_backlog+0x101/0x620 [ 7206.815867][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7206.815867][ T72] net_rx_action+0x495/0xbe0 [ 7206.815867][ T72] __do_softirq+0x1b5/0x7f6 [ 7206.815867][ T72] [ 7206.817642][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7206.817642][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.817642][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.817642][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.817642][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7206.817642][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7206.817642][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7206.817642][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7206.817642][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7206.817642][ T72] addrconf_dad_begin+0x310/0x670 [ 7206.817642][ T72] addrconf_dad_work+0x10b/0xab0 [ 7206.817642][ T72] process_one_work+0x84d/0x18a0 [ 7206.817642][ T72] worker_thread+0x587/0xd30 [ 7206.817642][ T72] kthread+0x28a/0x350 [ 7206.817642][ T72] ret_from_fork+0x31/0x70 [ 7206.817642][ T72] ret_from_fork_asm+0x1a/0x30 [ 7206.817642][ T72] [ 7206.819670][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7206.819670][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.819670][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.819670][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.819670][ T72] ip6_route_add+0x1c/0x140 [ 7206.819670][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7206.819670][ T72] inet6_addr_add+0x4f8/0xa40 [ 7206.819670][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.819670][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.819670][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.819670][ T72] netlink_unicast+0x449/0x710 [ 7206.819670][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.819670][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.819670][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.819670][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.819670][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.819670][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.819670][ T72] [ 7206.821637][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7206.821637][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.821637][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.821637][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.821637][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7206.821637][ T72] ipv6_add_addr+0x411/0x2000 [ 7206.821637][ T72] inet6_addr_add+0x30e/0xa40 [ 7206.821637][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.821637][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.821637][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.821637][ T72] netlink_unicast+0x449/0x710 [ 7206.821637][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.821637][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.821637][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.821637][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.821637][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.821637][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.821637][ T72] [ 7206.823588][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7206.823588][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.823588][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.823588][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.823588][ T72] ip6_route_add+0x1c/0x140 [ 7206.823588][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7206.823588][ T72] addrconf_add_dev+0xe2/0x170 [ 7206.823588][ T72] inet6_addr_add+0x12f/0xa40 [ 7206.823588][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.823588][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.823588][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.823588][ T72] netlink_unicast+0x449/0x710 [ 7206.823588][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.823588][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.823588][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.823588][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.823588][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.823588][ T72] [ 7206.825556][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7206.825556][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7206.825556][ T72] ipv6_find_idev+0x102/0x170 [ 7206.825556][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.825556][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.825556][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.825556][ T72] netlink_unicast+0x449/0x710 [ 7206.825556][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.825556][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.825556][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.825556][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.825556][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.825556][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.825556][ T72] [ 7206.827062][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7206.827062][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7206.827062][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7206.827062][ T72] ipv6_find_idev+0x102/0x170 [ 7206.827062][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.827062][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.827062][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.827062][ T72] netlink_unicast+0x449/0x710 [ 7206.827062][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.827062][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.827062][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.827062][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.827062][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.827062][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.827062][ T72] [ 7206.828814][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7206.829133][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7206.829133][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7206.829133][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7206.829133][ T72] fib6_nh_init+0xa22/0x1580 [ 7206.829133][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.829133][ T72] ip6_route_add+0x1c/0x140 [ 7206.829133][ T72] inet6_rtm_newroute+0x104/0x110 [ 7206.829133][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.829133][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.829133][ T72] netlink_unicast+0x449/0x710 [ 7206.829133][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.829133][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.829133][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.829133][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.829133][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.829133][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.829133][ T72] [ 7206.831183][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7206.831183][ T72] dst_init+0x84/0x4a0 [ 7206.831183][ T72] dst_alloc+0x97/0x150 [ 7206.831183][ T72] ip6_dst_alloc+0x23/0x90 [ 7206.831183][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7206.831183][ T72] ip6_pol_route+0x56f/0x840 [ 7206.831183][ T72] fib6_rule_lookup+0x456/0x630 [ 7206.831183][ T72] ip6_route_input+0x59c/0xa50 [ 7206.831183][ T72] ipv6_rcv+0x397/0x810 [ 7206.831183][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7206.831183][ T72] process_backlog+0x101/0x620 [ 7206.831183][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7206.831183][ T72] net_rx_action+0x495/0xbe0 [ 7206.831183][ T72] __do_softirq+0x1b5/0x7f6 [ 7206.831183][ T72] [ 7206.832959][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7206.832959][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.832959][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.832959][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.832959][ T72] ip6_route_add+0x1c/0x140 [ 7206.832959][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7206.832959][ T72] inet6_addr_add+0x4f8/0xa40 [ 7206.832959][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.832959][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.832959][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.832959][ T72] netlink_unicast+0x449/0x710 [ 7206.832959][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.832959][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.832959][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.832959][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.832959][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.832959][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.832959][ T72] [ 7206.835194][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7206.835194][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.835194][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.835194][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.835194][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7206.835194][ T72] ipv6_add_addr+0x411/0x2000 [ 7206.835194][ T72] inet6_addr_add+0x30e/0xa40 [ 7206.835194][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.835194][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.835194][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.835194][ T72] netlink_unicast+0x449/0x710 [ 7206.835194][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.835194][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.835194][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.835194][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.835194][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.835194][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.835194][ T72] [ 7206.837376][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7206.837376][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.837376][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.837376][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.837376][ T72] ip6_route_add+0x1c/0x140 [ 7206.837376][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7206.837376][ T72] addrconf_add_dev+0xe2/0x170 [ 7206.837376][ T72] inet6_addr_add+0x12f/0xa40 [ 7206.837376][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.837376][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.837376][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.837376][ T72] netlink_unicast+0x449/0x710 [ 7206.837376][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.837376][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.837376][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.837376][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.837376][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.837376][ T72] [ 7206.839626][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7206.839626][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7206.839626][ T72] ipv6_find_idev+0x102/0x170 [ 7206.839626][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.839626][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.839626][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.839626][ T72] netlink_unicast+0x449/0x710 [ 7206.839626][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.839626][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.839626][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.839626][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.839626][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.839626][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.839626][ T72] [ 7206.841349][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7206.841349][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7206.841349][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7206.841349][ T72] ipv6_find_idev+0x102/0x170 [ 7206.841349][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.841349][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.841349][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.841349][ T72] netlink_unicast+0x449/0x710 [ 7206.841349][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.841349][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.841349][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.841349][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.841349][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.841349][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.841349][ T72] [ 7206.843207][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7206.843477][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7206.843477][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.843477][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.843477][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.843477][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7206.843477][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7206.843477][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7206.843477][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7206.843477][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7206.843477][ T72] addrconf_dad_begin+0x310/0x670 [ 7206.843477][ T72] addrconf_dad_work+0x10b/0xab0 [ 7206.843477][ T72] process_one_work+0x84d/0x18a0 [ 7206.843477][ T72] worker_thread+0x587/0xd30 [ 7206.843477][ T72] kthread+0x28a/0x350 [ 7206.843477][ T72] ret_from_fork+0x31/0x70 [ 7206.843477][ T72] ret_from_fork_asm+0x1a/0x30 [ 7206.843477][ T72] [ 7206.845632][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7206.845632][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.845632][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.845632][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.845632][ T72] ip6_route_add+0x1c/0x140 [ 7206.845632][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7206.845632][ T72] inet6_addr_add+0x4f8/0xa40 [ 7206.845632][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.845632][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.845632][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.845632][ T72] netlink_unicast+0x449/0x710 [ 7206.845632][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.845632][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.845632][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.845632][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.845632][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.845632][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.845632][ T72] [ 7206.847867][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7206.847867][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.847867][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.847867][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.847867][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7206.847867][ T72] ipv6_add_addr+0x411/0x2000 [ 7206.847867][ T72] inet6_addr_add+0x30e/0xa40 [ 7206.847867][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.847867][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.847867][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.847867][ T72] netlink_unicast+0x449/0x710 [ 7206.847867][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.847867][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.847867][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.847867][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.847867][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.847867][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.847867][ T72] [ 7206.850154][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7206.850154][ T72] netdev_get_by_index+0x5e/0x80 [ 7206.850154][ T72] fib6_nh_init+0x3d8/0x1580 [ 7206.850154][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7206.850154][ T72] ip6_route_add+0x1c/0x140 [ 7206.850154][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7206.850154][ T72] addrconf_add_dev+0xe2/0x170 [ 7206.850154][ T72] inet6_addr_add+0x12f/0xa40 [ 7206.850154][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7206.850154][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.850154][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.850154][ T72] netlink_unicast+0x449/0x710 [ 7206.850154][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.850154][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.850154][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.850154][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.850154][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.850154][ T72] [ 7206.852299][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7206.852299][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7206.852299][ T72] ipv6_find_idev+0x102/0x170 [ 7206.852299][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.852299][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.852299][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.852299][ T72] netlink_unicast+0x449/0x710 [ 7206.852299][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.852299][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.852299][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.852299][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.852299][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.852299][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.852299][ T72] [ 7206.854025][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7206.854025][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7206.854025][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7206.854025][ T72] ipv6_find_idev+0x102/0x170 [ 7206.854025][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7206.854025][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7206.854025][ T72] netlink_rcv_skb+0x130/0x360 [ 7206.854025][ T72] netlink_unicast+0x449/0x710 [ 7206.854025][ T72] netlink_sendmsg+0x723/0xbe0 [ 7206.854025][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7206.854025][ T72] ___sys_sendmsg+0xee/0x170 [ 7206.854025][ T72] __sys_sendmsg+0xcd/0x170 [ 7206.854025][ T72] do_syscall_64+0xc6/0x1e0 [ 7206.854025][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7206.854025][ T72] [ 7217.056986][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7217.057822][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7217.057822][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7217.057822][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7217.057822][ T72] fib6_nh_init+0xa22/0x1580 [ 7217.057822][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.057822][ T72] ip6_route_add+0x1c/0x140 [ 7217.057822][ T72] inet6_rtm_newroute+0x104/0x110 [ 7217.057822][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.057822][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.057822][ T72] netlink_unicast+0x449/0x710 [ 7217.057822][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.057822][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.057822][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.057822][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.057822][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.057822][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.057822][ T72] [ 7217.059655][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7217.059655][ T72] dst_init+0x84/0x4a0 [ 7217.059655][ T72] dst_alloc+0x97/0x150 [ 7217.059655][ T72] ip6_dst_alloc+0x23/0x90 [ 7217.059655][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7217.059655][ T72] ip6_pol_route+0x56f/0x840 [ 7217.059655][ T72] fib6_rule_lookup+0x456/0x630 [ 7217.059655][ T72] ip6_route_input+0x59c/0xa50 [ 7217.059655][ T72] ipv6_rcv+0x397/0x810 [ 7217.059655][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7217.059655][ T72] process_backlog+0x101/0x620 [ 7217.059655][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7217.059655][ T72] net_rx_action+0x495/0xbe0 [ 7217.059655][ T72] __do_softirq+0x1b5/0x7f6 [ 7217.059655][ T72] [ 7217.061246][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7217.061246][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.061246][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.061246][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.061246][ T72] ip6_route_add+0x1c/0x140 [ 7217.061246][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7217.061246][ T72] inet6_addr_add+0x4f8/0xa40 [ 7217.061246][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.061246][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.061246][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.061246][ T72] netlink_unicast+0x449/0x710 [ 7217.061246][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.061246][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.061246][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.061246][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.061246][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.061246][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.061246][ T72] [ 7217.063223][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7217.063223][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.063223][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.063223][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.063223][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7217.063223][ T72] ipv6_add_addr+0x411/0x2000 [ 7217.063223][ T72] inet6_addr_add+0x30e/0xa40 [ 7217.063223][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.063223][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.063223][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.063223][ T72] netlink_unicast+0x449/0x710 [ 7217.063223][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.063223][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.063223][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.063223][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.063223][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.063223][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.063223][ T72] [ 7217.065229][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7217.065229][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.065229][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.065229][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.065229][ T72] ip6_route_add+0x1c/0x140 [ 7217.065229][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7217.065229][ T72] addrconf_add_dev+0xe2/0x170 [ 7217.065229][ T72] inet6_addr_add+0x12f/0xa40 [ 7217.065229][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.065229][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.065229][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.065229][ T72] netlink_unicast+0x449/0x710 [ 7217.065229][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.065229][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.065229][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.065229][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.065229][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.065229][ T72] [ 7217.067145][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7217.067145][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7217.067145][ T72] ipv6_find_idev+0x102/0x170 [ 7217.067145][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7217.067145][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.067145][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.067145][ T72] netlink_unicast+0x449/0x710 [ 7217.067145][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.067145][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.067145][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.067145][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.067145][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.067145][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.067145][ T72] [ 7217.068635][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7217.068635][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7217.068635][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7217.068635][ T72] ipv6_find_idev+0x102/0x170 [ 7217.068635][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7217.068635][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.068635][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.068635][ T72] netlink_unicast+0x449/0x710 [ 7217.068635][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.068635][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.068635][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.068635][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.068635][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.068635][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.068635][ T72] [ 7217.070266][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7217.070550][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7217.070550][ T72] dst_init+0x84/0x4a0 [ 7217.070550][ T72] dst_alloc+0x97/0x150 [ 7217.070550][ T72] ip6_dst_alloc+0x23/0x90 [ 7217.070550][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7217.070550][ T72] ip6_pol_route+0x56f/0x840 [ 7217.070550][ T72] fib6_rule_lookup+0x456/0x630 [ 7217.070550][ T72] ip6_route_input+0x59c/0xa50 [ 7217.070550][ T72] ipv6_rcv+0x397/0x810 [ 7217.070550][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7217.070550][ T72] process_backlog+0x101/0x620 [ 7217.070550][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7217.070550][ T72] net_rx_action+0x495/0xbe0 [ 7217.070550][ T72] __do_softirq+0x1b5/0x7f6 [ 7217.070550][ T72] [ 7217.072132][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7217.072132][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.072132][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.072132][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.072132][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7217.072132][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7217.072132][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7217.072132][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7217.072132][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7217.072132][ T72] addrconf_dad_begin+0x310/0x670 [ 7217.072132][ T72] addrconf_dad_work+0x10b/0xab0 [ 7217.072132][ T72] process_one_work+0x84d/0x18a0 [ 7217.072132][ T72] worker_thread+0x587/0xd30 [ 7217.072132][ T72] kthread+0x28a/0x350 [ 7217.072132][ T72] ret_from_fork+0x31/0x70 [ 7217.072132][ T72] ret_from_fork_asm+0x1a/0x30 [ 7217.072132][ T72] [ 7217.073966][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7217.073966][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.073966][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.073966][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.073966][ T72] ip6_route_add+0x1c/0x140 [ 7217.073966][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7217.073966][ T72] inet6_addr_add+0x4f8/0xa40 [ 7217.073966][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.073966][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.073966][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.073966][ T72] netlink_unicast+0x449/0x710 [ 7217.073966][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.073966][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.073966][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.073966][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.073966][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.073966][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.073966][ T72] [ 7217.075957][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7217.075957][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.075957][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.075957][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.075957][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7217.075957][ T72] ipv6_add_addr+0x411/0x2000 [ 7217.075957][ T72] inet6_addr_add+0x30e/0xa40 [ 7217.075957][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.075957][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.075957][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.075957][ T72] netlink_unicast+0x449/0x710 [ 7217.075957][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.075957][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.075957][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.075957][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.075957][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.075957][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.075957][ T72] [ 7217.078022][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7217.078022][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.078022][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.078022][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.078022][ T72] ip6_route_add+0x1c/0x140 [ 7217.078022][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7217.078022][ T72] addrconf_add_dev+0xe2/0x170 [ 7217.078022][ T72] inet6_addr_add+0x12f/0xa40 [ 7217.078022][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.078022][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.078022][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.078022][ T72] netlink_unicast+0x449/0x710 [ 7217.078022][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.078022][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.078022][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.078022][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.078022][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.078022][ T72] [ 7217.079968][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7217.079968][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7217.079968][ T72] ipv6_find_idev+0x102/0x170 [ 7217.079968][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7217.079968][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.079968][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.079968][ T72] netlink_unicast+0x449/0x710 [ 7217.079968][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.079968][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.079968][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.079968][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.079968][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.079968][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.079968][ T72] [ 7217.081493][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7217.081493][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7217.081493][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7217.081493][ T72] ipv6_find_idev+0x102/0x170 [ 7217.081493][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7217.081493][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.081493][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.081493][ T72] netlink_unicast+0x449/0x710 [ 7217.081493][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.081493][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.081493][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.081493][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.081493][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.081493][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.081493][ T72] [ 7217.083220][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7217.083545][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7217.083545][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7217.083545][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7217.083545][ T72] fib6_nh_init+0xa22/0x1580 [ 7217.083545][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.083545][ T72] ip6_route_add+0x1c/0x140 [ 7217.083545][ T72] inet6_rtm_newroute+0x104/0x110 [ 7217.083545][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.083545][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.083545][ T72] netlink_unicast+0x449/0x710 [ 7217.083545][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.083545][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.083545][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.083545][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.083545][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.083545][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.083545][ T72] [ 7217.085649][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7217.085649][ T72] dst_init+0x84/0x4a0 [ 7217.085649][ T72] dst_alloc+0x97/0x150 [ 7217.085649][ T72] ip6_dst_alloc+0x23/0x90 [ 7217.085649][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7217.085649][ T72] ip6_pol_route+0x56f/0x840 [ 7217.085649][ T72] fib6_rule_lookup+0x456/0x630 [ 7217.085649][ T72] ip6_route_input+0x59c/0xa50 [ 7217.085649][ T72] ipv6_rcv+0x397/0x810 [ 7217.085649][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7217.085649][ T72] process_backlog+0x101/0x620 [ 7217.085649][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7217.085649][ T72] net_rx_action+0x495/0xbe0 [ 7217.085649][ T72] __do_softirq+0x1b5/0x7f6 [ 7217.085649][ T72] [ 7217.087443][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7217.087443][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.087443][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.087443][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.087443][ T72] ip6_route_add+0x1c/0x140 [ 7217.087443][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7217.087443][ T72] inet6_addr_add+0x4f8/0xa40 [ 7217.087443][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.087443][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.087443][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.087443][ T72] netlink_unicast+0x449/0x710 [ 7217.087443][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.087443][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.087443][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.087443][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.087443][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.087443][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.087443][ T72] [ 7217.089723][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7217.089723][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.089723][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.089723][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.089723][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7217.089723][ T72] ipv6_add_addr+0x411/0x2000 [ 7217.089723][ T72] inet6_addr_add+0x30e/0xa40 [ 7217.089723][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.089723][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.089723][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.089723][ T72] netlink_unicast+0x449/0x710 [ 7217.089723][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.089723][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.089723][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.089723][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.089723][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.089723][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.089723][ T72] [ 7217.091893][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7217.091893][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.091893][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.091893][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.091893][ T72] ip6_route_add+0x1c/0x140 [ 7217.091893][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7217.091893][ T72] addrconf_add_dev+0xe2/0x170 [ 7217.091893][ T72] inet6_addr_add+0x12f/0xa40 [ 7217.091893][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.091893][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.091893][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.091893][ T72] netlink_unicast+0x449/0x710 [ 7217.091893][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.091893][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.091893][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.091893][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.091893][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.091893][ T72] [ 7217.094136][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7217.094136][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7217.094136][ T72] ipv6_find_idev+0x102/0x170 [ 7217.094136][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7217.094136][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.094136][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.094136][ T72] netlink_unicast+0x449/0x710 [ 7217.094136][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.094136][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.094136][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.094136][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.094136][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.094136][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.094136][ T72] [ 7217.095845][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7217.095845][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7217.095845][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7217.095845][ T72] ipv6_find_idev+0x102/0x170 [ 7217.095845][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7217.095845][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.095845][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.095845][ T72] netlink_unicast+0x449/0x710 [ 7217.095845][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.095845][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.095845][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.095845][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.095845][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.095845][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.095845][ T72] [ 7217.097700][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7217.098405][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7217.098405][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.098405][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.098405][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.098405][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7217.098405][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7217.098405][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7217.098405][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7217.098405][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7217.098405][ T72] addrconf_dad_begin+0x310/0x670 [ 7217.098405][ T72] addrconf_dad_work+0x10b/0xab0 [ 7217.098405][ T72] process_one_work+0x84d/0x18a0 [ 7217.098405][ T72] worker_thread+0x587/0xd30 [ 7217.098405][ T72] kthread+0x28a/0x350 [ 7217.098405][ T72] ret_from_fork+0x31/0x70 [ 7217.098405][ T72] ret_from_fork_asm+0x1a/0x30 [ 7217.098405][ T72] [ 7217.100293][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7217.100293][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.100293][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.100293][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.100293][ T72] ip6_route_add+0x1c/0x140 [ 7217.100293][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7217.100293][ T72] inet6_addr_add+0x4f8/0xa40 [ 7217.100293][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.100293][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.100293][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.100293][ T72] netlink_unicast+0x449/0x710 [ 7217.100293][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.100293][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.100293][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.100293][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.100293][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.100293][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.100293][ T72] [ 7217.102385][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7217.102385][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.102385][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.102385][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.102385][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7217.102385][ T72] ipv6_add_addr+0x411/0x2000 [ 7217.102385][ T72] inet6_addr_add+0x30e/0xa40 [ 7217.102385][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.102385][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.102385][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.102385][ T72] netlink_unicast+0x449/0x710 [ 7217.102385][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.102385][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.102385][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.102385][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.102385][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.102385][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.102385][ T72] [ 7217.104610][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7217.104610][ T72] netdev_get_by_index+0x5e/0x80 [ 7217.104610][ T72] fib6_nh_init+0x3d8/0x1580 [ 7217.104610][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7217.104610][ T72] ip6_route_add+0x1c/0x140 [ 7217.104610][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7217.104610][ T72] addrconf_add_dev+0xe2/0x170 [ 7217.104610][ T72] inet6_addr_add+0x12f/0xa40 [ 7217.104610][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7217.104610][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.104610][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.104610][ T72] netlink_unicast+0x449/0x710 [ 7217.104610][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.104610][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.104610][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.104610][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.104610][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.104610][ T72] [ 7217.106856][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7217.106856][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7217.106856][ T72] ipv6_find_idev+0x102/0x170 [ 7217.106856][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7217.106856][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.106856][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.106856][ T72] netlink_unicast+0x449/0x710 [ 7217.106856][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.106856][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.106856][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.106856][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.106856][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.106856][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.106856][ T72] [ 7217.108512][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7217.108512][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7217.108512][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7217.108512][ T72] ipv6_find_idev+0x102/0x170 [ 7217.108512][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7217.108512][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7217.108512][ T72] netlink_rcv_skb+0x130/0x360 [ 7217.108512][ T72] netlink_unicast+0x449/0x710 [ 7217.108512][ T72] netlink_sendmsg+0x723/0xbe0 [ 7217.108512][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7217.108512][ T72] ___sys_sendmsg+0xee/0x170 [ 7217.108512][ T72] __sys_sendmsg+0xcd/0x170 [ 7217.108512][ T72] do_syscall_64+0xc6/0x1e0 [ 7217.108512][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7217.108512][ T72] [ 7227.192924][ T72] unregister_netdevice: waiting for veth_A-R2 to become free. Usage count = 9 [ 7227.193426][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7227.193426][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7227.193426][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7227.193426][ T72] fib6_nh_init+0xa22/0x1580 [ 7227.193426][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.193426][ T72] ip6_route_add+0x1c/0x140 [ 7227.193426][ T72] inet6_rtm_newroute+0x104/0x110 [ 7227.193426][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.193426][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.193426][ T72] netlink_unicast+0x449/0x710 [ 7227.193426][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.193426][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.193426][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.193426][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.193426][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.193426][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.193426][ T72] [ 7227.195401][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 2/8 users at [ 7227.195401][ T72] dst_init+0x84/0x4a0 [ 7227.195401][ T72] dst_alloc+0x97/0x150 [ 7227.195401][ T72] ip6_dst_alloc+0x23/0x90 [ 7227.195401][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7227.195401][ T72] ip6_pol_route+0x56f/0x840 [ 7227.195401][ T72] fib6_rule_lookup+0x456/0x630 [ 7227.195401][ T72] ip6_route_input+0x59c/0xa50 [ 7227.195401][ T72] ipv6_rcv+0x397/0x810 [ 7227.195401][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7227.195401][ T72] process_backlog+0x101/0x620 [ 7227.195401][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7227.195401][ T72] net_rx_action+0x495/0xbe0 [ 7227.195401][ T72] __do_softirq+0x1b5/0x7f6 [ 7227.195401][ T72] [ 7227.197096][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7227.197096][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.197096][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.197096][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.197096][ T72] ip6_route_add+0x1c/0x140 [ 7227.197096][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7227.197096][ T72] inet6_addr_add+0x4f8/0xa40 [ 7227.197096][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.197096][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.197096][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.197096][ T72] netlink_unicast+0x449/0x710 [ 7227.197096][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.197096][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.197096][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.197096][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.197096][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.197096][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.197096][ T72] [ 7227.199159][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7227.199159][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.199159][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.199159][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.199159][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7227.199159][ T72] ipv6_add_addr+0x411/0x2000 [ 7227.199159][ T72] inet6_addr_add+0x30e/0xa40 [ 7227.199159][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.199159][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.199159][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.199159][ T72] netlink_unicast+0x449/0x710 [ 7227.199159][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.199159][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.199159][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.199159][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.199159][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.199159][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.199159][ T72] [ 7227.201205][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7227.201205][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.201205][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.201205][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.201205][ T72] ip6_route_add+0x1c/0x140 [ 7227.201205][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7227.201205][ T72] addrconf_add_dev+0xe2/0x170 [ 7227.201205][ T72] inet6_addr_add+0x12f/0xa40 [ 7227.201205][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.201205][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.201205][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.201205][ T72] netlink_unicast+0x449/0x710 [ 7227.201205][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.201205][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.201205][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.201205][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.201205][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.201205][ T72] [ 7227.203214][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7227.203214][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7227.203214][ T72] ipv6_find_idev+0x102/0x170 [ 7227.203214][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7227.203214][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.203214][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.203214][ T72] netlink_unicast+0x449/0x710 [ 7227.203214][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.203214][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.203214][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.203214][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.203214][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.203214][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.203214][ T72] [ 7227.204814][ T72] ref_tracker: veth_A-R2@ffff8880067b15e0 has 1/8 users at [ 7227.204814][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7227.204814][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7227.204814][ T72] ipv6_find_idev+0x102/0x170 [ 7227.204814][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7227.204814][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.204814][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.204814][ T72] netlink_unicast+0x449/0x710 [ 7227.204814][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.204814][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.204814][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.204814][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.204814][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.204814][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.204814][ T72] [ 7227.206541][ T72] unregister_netdevice: waiting for veth_R2-A to become free. Usage count = 8 [ 7227.206822][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7227.206822][ T72] dst_init+0x84/0x4a0 [ 7227.206822][ T72] dst_alloc+0x97/0x150 [ 7227.206822][ T72] ip6_dst_alloc+0x23/0x90 [ 7227.206822][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7227.206822][ T72] ip6_pol_route+0x56f/0x840 [ 7227.206822][ T72] fib6_rule_lookup+0x456/0x630 [ 7227.206822][ T72] ip6_route_input+0x59c/0xa50 [ 7227.206822][ T72] ipv6_rcv+0x397/0x810 [ 7227.206822][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7227.206822][ T72] process_backlog+0x101/0x620 [ 7227.206822][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7227.206822][ T72] net_rx_action+0x495/0xbe0 [ 7227.206822][ T72] __do_softirq+0x1b5/0x7f6 [ 7227.206822][ T72] [ 7227.208478][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7227.208478][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.208478][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.208478][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.208478][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7227.208478][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7227.208478][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7227.208478][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7227.208478][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7227.208478][ T72] addrconf_dad_begin+0x310/0x670 [ 7227.208478][ T72] addrconf_dad_work+0x10b/0xab0 [ 7227.208478][ T72] process_one_work+0x84d/0x18a0 [ 7227.208478][ T72] worker_thread+0x587/0xd30 [ 7227.208478][ T72] kthread+0x28a/0x350 [ 7227.208478][ T72] ret_from_fork+0x31/0x70 [ 7227.208478][ T72] ret_from_fork_asm+0x1a/0x30 [ 7227.208478][ T72] [ 7227.210396][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7227.210396][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.210396][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.210396][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.210396][ T72] ip6_route_add+0x1c/0x140 [ 7227.210396][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7227.210396][ T72] inet6_addr_add+0x4f8/0xa40 [ 7227.210396][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.210396][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.210396][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.210396][ T72] netlink_unicast+0x449/0x710 [ 7227.210396][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.210396][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.210396][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.210396][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.210396][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.210396][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.210396][ T72] [ 7227.212400][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7227.212400][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.212400][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.212400][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.212400][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7227.212400][ T72] ipv6_add_addr+0x411/0x2000 [ 7227.212400][ T72] inet6_addr_add+0x30e/0xa40 [ 7227.212400][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.212400][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.212400][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.212400][ T72] netlink_unicast+0x449/0x710 [ 7227.212400][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.212400][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.212400][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.212400][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.212400][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.212400][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.212400][ T72] [ 7227.214407][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7227.214407][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.214407][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.214407][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.214407][ T72] ip6_route_add+0x1c/0x140 [ 7227.214407][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7227.214407][ T72] addrconf_add_dev+0xe2/0x170 [ 7227.214407][ T72] inet6_addr_add+0x12f/0xa40 [ 7227.214407][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.214407][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.214407][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.214407][ T72] netlink_unicast+0x449/0x710 [ 7227.214407][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.214407][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.214407][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.214407][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.214407][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.214407][ T72] [ 7227.216384][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7227.216384][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7227.216384][ T72] ipv6_find_idev+0x102/0x170 [ 7227.216384][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7227.216384][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.216384][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.216384][ T72] netlink_unicast+0x449/0x710 [ 7227.216384][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.216384][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.216384][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.216384][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.216384][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.216384][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.216384][ T72] [ 7227.217940][ T72] ref_tracker: veth_R2-A@ffff8880067ec5e0 has 1/7 users at [ 7227.217940][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7227.217940][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7227.217940][ T72] ipv6_find_idev+0x102/0x170 [ 7227.217940][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7227.217940][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.217940][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.217940][ T72] netlink_unicast+0x449/0x710 [ 7227.217940][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.217940][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.217940][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.217940][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.217940][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.217940][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.217940][ T72] [ 7227.219761][ T72] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 8 [ 7227.220042][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7227.220042][ T72] ip6_route_check_nh+0x4b8/0x6a0 [ 7227.220042][ T72] ip6_validate_gw+0x3f7/0x7b0 [ 7227.220042][ T72] fib6_nh_init+0xa22/0x1580 [ 7227.220042][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.220042][ T72] ip6_route_add+0x1c/0x140 [ 7227.220042][ T72] inet6_rtm_newroute+0x104/0x110 [ 7227.220042][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.220042][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.220042][ T72] netlink_unicast+0x449/0x710 [ 7227.220042][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.220042][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.220042][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.220042][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.220042][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.220042][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.220042][ T72] [ 7227.222196][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7227.222196][ T72] dst_init+0x84/0x4a0 [ 7227.222196][ T72] dst_alloc+0x97/0x150 [ 7227.222196][ T72] ip6_dst_alloc+0x23/0x90 [ 7227.222196][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7227.222196][ T72] ip6_pol_route+0x56f/0x840 [ 7227.222196][ T72] fib6_rule_lookup+0x456/0x630 [ 7227.222196][ T72] ip6_route_input+0x59c/0xa50 [ 7227.222196][ T72] ipv6_rcv+0x397/0x810 [ 7227.222196][ T72] __netif_receive_skb_one_core+0x118/0x1b0 [ 7227.222196][ T72] process_backlog+0x101/0x620 [ 7227.222196][ T72] __napi_poll.constprop.0+0xa2/0x460 [ 7227.222196][ T72] net_rx_action+0x495/0xbe0 [ 7227.222196][ T72] __do_softirq+0x1b5/0x7f6 [ 7227.222196][ T72] [ 7227.224019][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7227.224019][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.224019][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.224019][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.224019][ T72] ip6_route_add+0x1c/0x140 [ 7227.224019][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7227.224019][ T72] inet6_addr_add+0x4f8/0xa40 [ 7227.224019][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.224019][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.224019][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.224019][ T72] netlink_unicast+0x449/0x710 [ 7227.224019][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.224019][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.224019][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.224019][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.224019][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.224019][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.224019][ T72] [ 7227.226219][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7227.226219][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.226219][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.226219][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.226219][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7227.226219][ T72] ipv6_add_addr+0x411/0x2000 [ 7227.226219][ T72] inet6_addr_add+0x30e/0xa40 [ 7227.226219][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.226219][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.226219][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.226219][ T72] netlink_unicast+0x449/0x710 [ 7227.226219][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.226219][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.226219][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.226219][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.226219][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.226219][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.226219][ T72] [ 7227.228440][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7227.228440][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.228440][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.228440][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.228440][ T72] ip6_route_add+0x1c/0x140 [ 7227.228440][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7227.228440][ T72] addrconf_add_dev+0xe2/0x170 [ 7227.228440][ T72] inet6_addr_add+0x12f/0xa40 [ 7227.228440][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.228440][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.228440][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.228440][ T72] netlink_unicast+0x449/0x710 [ 7227.228440][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.228440][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.228440][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.228440][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.228440][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.228440][ T72] [ 7227.230534][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7227.230534][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7227.230534][ T72] ipv6_find_idev+0x102/0x170 [ 7227.230534][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7227.230534][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.230534][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.230534][ T72] netlink_unicast+0x449/0x710 [ 7227.230534][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.230534][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.230534][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.230534][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.230534][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.230534][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.230534][ T72] [ 7227.232325][ T72] ref_tracker: veth_A-R1@ffff8880071c95e0 has 1/7 users at [ 7227.232325][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7227.232325][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7227.232325][ T72] ipv6_find_idev+0x102/0x170 [ 7227.232325][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7227.232325][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.232325][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.232325][ T72] netlink_unicast+0x449/0x710 [ 7227.232325][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.232325][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.232325][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.232325][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.232325][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.232325][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.232325][ T72] [ 7227.234256][ T72] unregister_netdevice: waiting for veth_R1-A to become free. Usage count = 7 [ 7227.234542][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7227.234542][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.234542][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.234542][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.234542][ T72] addrconf_f6i_alloc+0x265/0x560 [ 7227.234542][ T72] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7227.234542][ T72] addrconf_join_anycast+0x1c0/0x220 [ 7227.234542][ T72] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7227.234542][ T72] addrconf_dad_completed+0x12b/0xe20 [ 7227.234542][ T72] addrconf_dad_begin+0x310/0x670 [ 7227.234542][ T72] addrconf_dad_work+0x10b/0xab0 [ 7227.234542][ T72] process_one_work+0x84d/0x18a0 [ 7227.234542][ T72] worker_thread+0x587/0xd30 [ 7227.234542][ T72] kthread+0x28a/0x350 [ 7227.234542][ T72] ret_from_fork+0x31/0x70 [ 7227.234542][ T72] ret_from_fork_asm+0x1a/0x30 [ 7227.234542][ T72] [ 7227.236703][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7227.236703][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.236703][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.236703][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.236703][ T72] ip6_route_add+0x1c/0x140 [ 7227.236703][ T72] addrconf_prefix_route+0x2a6/0x430 [ 7227.236703][ T72] inet6_addr_add+0x4f8/0xa40 [ 7227.236703][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.236703][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.236703][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.236703][ T72] netlink_unicast+0x449/0x710 [ 7227.236703][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.236703][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.236703][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.236703][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.236703][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.236703][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.236703][ T72] [ 7227.238826][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7227.238826][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.238826][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.238826][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.238826][ T72] addrconf_f6i_alloc+0x315/0x560 [ 7227.238826][ T72] ipv6_add_addr+0x411/0x2000 [ 7227.238826][ T72] inet6_addr_add+0x30e/0xa40 [ 7227.238826][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.238826][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.238826][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.238826][ T72] netlink_unicast+0x449/0x710 [ 7227.238826][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.238826][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.238826][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.238826][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.238826][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.238826][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.238826][ T72] [ 7227.241144][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7227.241144][ T72] netdev_get_by_index+0x5e/0x80 [ 7227.241144][ T72] fib6_nh_init+0x3d8/0x1580 [ 7227.241144][ T72] ip6_route_info_create+0xf18/0x17d0 [ 7227.241144][ T72] ip6_route_add+0x1c/0x140 [ 7227.241144][ T72] addrconf_add_mroute+0x1ac/0x2c0 [ 7227.241144][ T72] addrconf_add_dev+0xe2/0x170 [ 7227.241144][ T72] inet6_addr_add+0x12f/0xa40 [ 7227.241144][ T72] inet6_rtm_newaddr+0x560/0x6b0 [ 7227.241144][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.241144][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.241144][ T72] netlink_unicast+0x449/0x710 [ 7227.241144][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.241144][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.241144][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.241144][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.241144][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.241144][ T72] [ 7227.243366][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7227.243366][ T72] ipv6_add_dev+0x3ba/0x11c0 [ 7227.243366][ T72] ipv6_find_idev+0x102/0x170 [ 7227.243366][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7227.243366][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.243366][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.243366][ T72] netlink_unicast+0x449/0x710 [ 7227.243366][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.243366][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.243366][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.243366][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.243366][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.243366][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.243366][ T72] [ 7227.245130][ T72] ref_tracker: veth_R1-A@ffff88800813c5e0 has 1/6 users at [ 7227.245130][ T72] neigh_parms_alloc+0x1e5/0x510 [ 7227.245130][ T72] ipv6_add_dev+0x2fe/0x11c0 [ 7227.245130][ T72] ipv6_find_idev+0x102/0x170 [ 7227.245130][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [ 7227.245130][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7227.245130][ T72] netlink_rcv_skb+0x130/0x360 [ 7227.245130][ T72] netlink_unicast+0x449/0x710 [ 7227.245130][ T72] netlink_sendmsg+0x723/0xbe0 [ 7227.245130][ T72] ____sys_sendmsg+0x7b2/0xa10 [ 7227.245130][ T72] ___sys_sendmsg+0xee/0x170 [ 7227.245130][ T72] __sys_sendmsg+0xcd/0x170 [ 7227.245130][ T72] do_syscall_64+0xc6/0x1e0 [ 7227.245130][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7227.245130][ T72]